Search Results — 2000 specimen records retrieved (1560 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA114406  Abies concolor G. R. Campbell 1954-12-8 20517 Los Angeles Botanic Garden nursery seedlings, Prop. No. 787, from coll. by E.K. Balls, Sept. 27, 1954, Hwy 18, 6 mi. e. of Running Springs towards Big Bear Lake, San Bernardino Mts., San Bernardino County. Comment
  POM156347  Abronia maritima L. R. Abrams 1902-6-8 2493 Los Angeles Playa del Rey. Comment
  RSA680067  Abronia maritima Mark A. Elvin, Michael Wall, Jennifer Stone 1996-8-8 324 Los Angeles San Clemente Island. West dunes along road to S end of dunes next to ocean. Comment
  RSA623974  Abronia umbellata B. F. Krause 1921-4-6 352 Los Angeles Redondo Beach. Comment
  RSA596447  Acacia baileyana R. G. Swinney 1989-7-14 s.n Los Angeles Base of San Gabriel Mtns., in and near the city of Glendora. S of water reservoir at N terminus of Englewild Ave. 396 Comment
  LA201859  Acacia longifolia Arthur C. Gibson; 2003-9-4 4966 Los Angeles Santa Monica Mountains, Santa Ynez Canyon Comment
  RSA187931  Acacia pycnantha R. F. Thorne 1966-6-1 36462 Los Angeles Santa Catalina Island, along Pebbly Beach Drive SE of Avalon. 46 Comment
  RSA670353  Acamptopappus sphaerocephalus Bonnie C. Templeton 1931-5-17 1208 Los Angeles South of Lancaster. Mojave Desert. Comment
  RSA573481  Acer macrophyllum Gerald L. Benny 1969-5-22 113 Los Angeles San Antonio Canyon below Camp Baldy 1067 Comment
  RSA658602  Acer macrophyllum Marianne Marshall 1981-5-29 17 Los Angeles Ca. Hwy 39, 6.5 mi. N of junction w/ Sierra Madre Ave. N of Azusa. Comment
  UCD117064  Acer macrophyllum Kenneth A. Wilson 1961-4-10 1140 Los Angeles Santa Susana Mountains. Southern arm of Bee Canyon-Mission Point (or Peak) area. 762 Comment
  UCR117573  Acer macrophyllum A. C. Sanders, D. Malueg, K. D. Jones 1999-11-19 23267 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 915 Comment
  CHSC98595  Acer negundo var. californicum LeRoy Gross; Andrea E. Gutman, Sarah Gutman 2000-9-8 267 Los Angeles Big Tujunga Wash/Verdugo Mountains: Tujunga Ponds. 335 Comment
  RSA6637  Achnatherum coronatum Fay A. MacFadden 1930-06 2355 Los Angeles Verdugo Mountains: La Tuna Canyon. 335 Comment
  SEINET7593345 Image available Achnatherum coronatum H. E. Hasse 1893-1 Los Angeles Santa Monica Range Comment
  RSA250335  Achnatherum parishii R. F. Thorne, Larry E. DeBuhr 1972-8-18 42252 Los Angeles San Gabriel Mts; Angeles National Forest: open peak of Mt. Islip 2515 Comment
  RSA597196  Achnatherum speciosum Timothy S. Ross, Peter W. Fritsch, Steve Boyd, Orlando Mistretta 1990-6-22 3725 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon. 1939 Comment
  RSA589321  Achyrachaena mollis T. S. Ross, Gery Allan, Mark Elvin 1995-5-21 6815 Los Angeles San Clemente Island, terrace between the main stem of Horse Beach Canyon and the main westerly stem of Chenetii Canyon. 3970 ft NNW of Slope triangulation point (781-ft) and 5570 ft WSW of 1135-ft tri. pt. near Chenity'. 284 Comment
  UCR191704  Achyrachaena mollis A. C. Sanders 2008-4-11 34862 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School 945 Comment
  SBBG108146  Acmispon argophyllus var. argenteus S. L. Crockett, S. A. Junak, M. L. Hoefs, J. Takara 1997-3-28 615 Los Angeles 1.1 mi S of Two Harbors on Cat Harbor Rd; ca. 30 m upslope 30 Comment
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May 24 2016
  SD92029  Acmispon argophyllus var. argenteus Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-22 22676 Los Angeles San Clamente Island: East slope, Wilson's Cove. 49 Comment
  CAS-BOT-BC213460  Acmispon argophyllus var. argophyllus Henry J. Thompson 1959-5-24 2017 Los Angeles Saddle Peak Rd., 1.2 miles ENE of peak, Saddle Peak, Santa Monica Mountains 716 Comment
  SD252327  Acmispon dendroideus var. dendroideus Steven A. Junak 1999-5-22 Sca 110 Los Angeles Santa Catalina Island: At Goat Harbor. 3 Comment
  SD48948  Acmispon dendroideus var. traskiae Reid Moran 1958-9-15 6841 Los Angeles San Clemente Island, on slope above Wilson Cove 49 Comment
  LA47990  Acmispon glaber var. glaber A. L. Beatty; April 22 194 sn Los Angeles Pasadena, Arroyo Seco Comment
  SDSU4349  Acmispon maritimus var. maritimus Gerald Collier 1951-4-5 3698 Los Angeles Simi Hills, near North American testing grounds. 2 miles northeast of cahttsworth Lake. Comment
  CATA157  Acmispon micranthus Peter Henrikson 1987-5-21 118 Los Angeles Santa Catalina Island: Bulrush Canyon 228 Comment
  OBI69281  Acmispon micranthus John Knapp, Denise Knapp 2003-4-13 12 Los Angeles Catalina Island, 3688837.079N x 377455.930E 44 Comment
  SD75510  Acmispon strigosus Reid Moran 1941-3-11 701 Los Angeles Santa Catalina Island, ridge north of Middle Ranch, on sparsely grassy slope 299 Comment
  POM6257  Acourtia microcephala I. M. Johnston 1918-7-22 2103 Los Angeles San Antonio Mountains, Cucamonga Canyon. 915 Comment
  CAS-BOT-BC133193  Adenostoma fasciculatum L. R. Abrams; I. L. Wiggins 1931-7-4 315 Los Angeles White's Landing, Santa Catalina Island Comment
  LA52117  Adenostoma fasciculatum Carl Epling; L. Ellison 1929-4-27 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  UC1861755  Adenostoma fasciculatum Steve Boyd, Amber Maurice 2004-5-18 11334 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. 609 Comment
  UC1922565  Adenostoma fasciculatum Gary Kovnat with LeRoy Gross 2003-4-5 36 Los Angeles Transverse Ranges; San Gabriel Mountains region: Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow. Comment
  UCR277411  Adenostoma fasciculatum R. G. Swinney 2010-8-23 13567 Los Angeles San Gabriel Mountains, Mt. Zion summit, between Hoegee Campground and Camp Sturtevant on the Mt. Zion Trail 1090 Comment
  RSA390575  Adenostoma fasciculatum var. fasciculatum M. B. Dunkle 1928-4-22 1888 Los Angeles Santa Catalina Island; Buttonshell Beach. 23 Comment
  RSA390577  Adenostoma fasciculatum var. fasciculatum Betty Munson 1940-4-21 s.n. Los Angeles Bouquet Canyon. Comment
  RSA687666  Adiantum capillus-veneris F. R. Fosberg 1931-4-24 R 94 Los Angeles Santa Catalina Island. Hamilton Canyon near Avalon. 50 Comment
  UC749004  Adiantum capillus-veneris Louis C. Wheeler 1931-10-11 248 Los Angeles Palmer Canyon; San Gabriel Mts 762 Comment
Read comments
May 9 2010
  CAS-BOT-BC65573  Adiantum capillus-veneris L. L. K. 1963-6-9 541 Los Angeles Santa Monica Mtns., south slope, Lachusa Cyn. (near Ventura Co. line), ca. 2 miles from mouth 152 Comment
  LA200056  Adiantum jordanii Lawrence L. Kiefer; 1966-3-13 1735 Los Angeles SANTA MONICA MOUNTAINS, Zuma Canyon, ca 2.5 mi from mouth of canyon. 152 Comment
  CAS-BOT-BC300501  Agalinis heterophylla R. G. Swinney 2009-11-9 11584 Los Angeles Transverse Range; San Gabriel Mountains: confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  RSA592136  Ageratina adenophora Louis C. Wheeler 1967-4-10 9187 Los Angeles Pasadena. Pasadena City College campus. Comment
  RSA617184  Ageratina adenophora R. G. Swinney 1989-4-15 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness park, Big Dalton Canyon. Big Dalton Canyon Rd, 1.4 mi. E of Glendora Mtn. Rd 457 Comment
  RSA627493  Ageratina adenophora Louis C. Wheeler 1947-4-27 6470 Los Angeles Mountain Cave: 1 mile south of Monrovia. Comment
  RSA638207  Ageratina adenophora Louis C. Wheeler 1973-1 s.n. Los Angeles Pasadena: South Arroyo Parkway. Comment
  SBBG66282  Agoseris retrorsa R. Hoffmann 1927-6-13 Los Angeles Chandler's, Ridge Route (US Hwy 99) Comment
  RSA0062634  Agrostis R. G. Swinney 2010-9-9 13773 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1994 Comment
  UC196692  Agrostis alba A. Davidson, M. D. 1916-6-18 3158 Los Angeles roadside Alhambra Comment
  POM20722  Agrostis exarata P. A. Munz 1923-8-31 7668 Los Angeles Big Pines, Swartout Valley, San Gabriel Mountains. 2073 Comment
  UCR204883  Agrostis exarata R. G. Swinney 2005-8-9 8411 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  RSA682642  Agrostis pallens LeRoy Gross, Bill Hogshead, Valerie Soza 2003-5-29 954 Los Angeles West end of the mountains: At junction (saddle) of Verdugo motorway and Wildwood Fire Road (Abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago.), We went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Mortorway) Basically a triangle. 564 Comment
  UCSB40901  Agrostis pallens Roos, John 1939-6-8 Los Angeles Canyon in hills N of Burbank Comment
  RSA384940  Agrostis stolonifera Anstruther Davidson 1917-06 3256 Los Angeles Los Angeles. Comment
  UCR101197  Alisma triviale L. C. Wheeler 1947-9-17 6630 Los Angeles San Gabriel Valley, Rio Hondo: at Rosemead Blvd. 70 Comment
  JEPS47632  Allium burlewii I. M. Johnston 1917-6-20 1490 Los Angeles Baldy Lookout of U.S. Forest Service San Antonio Mountains, Mt. San Antonio, Baldy Lookout 2133 Comment
  CAS-BOT-BC469355  Allium fimbriatum var. fimbriatum Timothy S. Ross; Steve Boyd 1990-6-18 3497 Los Angeles Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and mescal drainages; 1767 Comment
  RSA70173  Allium fimbriatum var. fimbriatum F. W. Peirson 1926-5-6 6733 Los Angeles on open headland, about 1 mi. from Rock Creek on road to Los Angeles County Playgrounds. 1310 Comment
  LA33455  Allium haematochiton Henry J. Thompson; 1959-3-27 1882 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak, 0.5 mi. E of peak. 701 Comment
  SEINET8467182 Image available Allium haematochiton W. V. Bauld 1962-3-24 Los Angeles Sunflower Canyon, S. Glendora 213 Comment
  SD86320  Allium praecox R. Mitchel Beauchamp, M. Douglas 1972-3-24 3243 Los Angeles In clay soil above Wilson Cove, San Clemente Island. 60 Comment
  RSA677526  Allophyllum divaricatum Anstruther Davidson 1946 Los Angeles San Gabriel Mountains. Comment
  UCR259156  Allophyllum divaricatum R. G. Swinney 2010-8-30 13611 Los Angeles San Gabriel Mountains, East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream 744 Comment
  RSA410076  Allophyllum gilioides subsp. gilioides George B. Grant 1906-6-14 3035 Los Angeles Summit Mt. Wilson. 1524 Comment
  UC52711  Allophyllum gilioides subsp. gilioides J. Burtt Davy May 9 1896-May 24 1896 2516 Los Angeles Manzana Antelope Valley, Manzana Comment
  SD69737  Allophyllum glutinosum Robert F. Thorne 1966-4-28 36229 Los Angeles Santa Catalina Island; west-facing rocky bank near upper end Renton Mine road in Pebbly Beach Canyon. 259 Comment
  UCD118000  Allophyllum glutinosum Daryl Koutnik 1978-6-25 562 Los Angeles 1 mile south of Seminole Hot Springs on Mulhollad Highway. 335 Comment
  SD72735  Alnus F. R. Fosberg 1931-1-26 7174 Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA603197  Alnus rhombifolia L. C. Wheeler 1972-12-21 12792 Los Angeles San Gabriel Mountains: Millard Canyon, ca. 200 yards upstream from Southern California Edison Co. high tension line. 526 Comment
  UCR95518  Alnus rhombifolia L. C. Wheeler 1966-10-12 8978 Los Angeles San Gabriel Mtns., San Gabriel Canyon, E fork, 0.25 mi upstream from Heaton Flat 610 Comment
  UCR109620  Alternanthera philoxeroides R. D. Goeden, Don W. Ricker 1965-9-23 s.n. Los Angeles San Gabriel Valley, Whittier Narrows 61 Comment
  RSA593585  Amaranthus albus Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz 1996-7-11 8906 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  UCR125130  Amaranthus blitoides A. C. Sanders, Mark Elvin 2002-6-18 25112 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, farm area in valley along a wash, 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park 328 Comment
  RSA402988  Amaranthus deflexus E. S. Spalding 1922-11 s.n. Los Angeles Los Angeles. Comment
  UC1215135  Amblyopappus pusillus Peter H. Raven 1962-4-9 17137 Los Angeles near barracks Wilson cove; San Clemente Island 60 Comment
  POM50143  Amblyopappus pusillus L. R. Abrams 1901-6-20 1865 Los Angeles Near Ballona Harbor. Comment
  SDSU6855  Amblyopappus pusillus R. M. Beauchamp 1967-3-19 337 Los Angeles Behind West Cove. Comment
  UC284272  Amblyopappus pusillus P. A. Munz 1923-4-9 6670 Los Angeles east coast, dry bluffs San Clemente Island Comment
  RSA0039054  Ambrosia acanthicarpa R. G. Swinney 2009-11-16 11624 Los Angeles 20 m east (up canyon) from east edge of Kentucky Springs, tributary of Kentucky Springs Canyon, 3/4 mile W of Angeles Forest Hwy at Angeles National Forest boundary, 0.4 mi. west of junction of Mt. Emma Rd. and Angeles Forest Hwy 1122 Comment
  CAS-BOT-BC13721  Ambrosia chamissonis Le Roy Abrams 1901-4-1 1195 Los Angeles Ballona Harbor Comment
  CATA156  Ambrosia chamissonis Mark L. Hoefs, A. Douglas Propst 1973-3-14 118 Los Angeles Santa Catalina Island: West side of White's Landing, on beach 1 Comment
  UCR17946  Ambrosia dumosa Loretta Bates 1978-5-28 s.n. Los Angeles Western Mojave Desert, [east of Llano] junction of Hwy 138 and Black [Butte] Basin Rd 1037 Comment
  JEPS41036  Ambrosia psilostachya Elizabeth Day Palmer 1908-8-7 Los Angeles Los Angeles Comment
  LA94829  Ambrosia psilostachya T. A. Geissman; 1968-4-20 TAG 42068 APM Los Angeles Santa Monica Mountains, Malibu Canyon, near entrance to canyon 9 Comment
  RSA598278  Amorpha californica var. californica R. G. Swinney 1989-5-8 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, in Big Dalton Canyon and its tributaries. Water Pipe Canyon, 1 mi. NE of Glendora Wilderness Park. 457 Comment
  RSA0079974  Amsinckia intermedia Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-26 1179 Los Angeles Western mouth of La Tuna Canyon, north side of La Tuna Canyon. Trail from Tuxford St and Ledge Ave. 320 Comment
  UCR256272  Amsinckia intermedia R. G. Swinney 2010-3-22 12089 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  RSA626102  Amsinckia intermedia LeRoy Gross 1999-3-21 128 Los Angeles Santa Susana Mountains: Top of ridge between Rice and Leaming Canyons, city of Newhall. 609 Comment
  RSA0091453  Amsinckia tessellata var. tessellata L. C. Wheeler 1967-5-12 9447 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA499931  Amsinckia tessellata var. tessellata Robert Gustafson 1978-5-2 887 Los Angeles Dirt road leading into Hungry Valley .1 mile from the junction with the 2-lane paved Peace Valley Rd., west of Gorman. 1249 Comment
  RSA599189  Anagallis arvensis Scott D. White 1997-3-12 4739 Los Angeles Zuma Beach; mouth of Zuma Creek, E end of the County Beach. 8 Comment
  SBBG128303  Anagallis arvensis M. Zou, A. Cheung, D. Kasang, S. Lawrence-Gomez, S. Ratay 2011-7-8 28 Los Angeles Deer Valley Trail 62 Comment
  UCR9394  Andropogon glomeratus D. H. Wilken 1965-11-1 584 Los Angeles San Gabriel Mtns., North Fork of the San Gabriel River c. 5 mi north of the West Fork confluence Comment
  RSA600681  Andropogon glomeratus var. scabriglumis L. C. Wheeler 1967-12-10 s.n. Los Angeles San Gabriel Mountains: Fern Canyon, off Arroyo Seco at Brown Mountain Road. 701 Comment
  UCR231793  Anemopsis californica Darren T. Hasegawa 2007-6-1 s.n. Los Angeles San Gabriel Mtns, Pasadena, c. 1 mile north of Rose Bowl 305 Comment
  JEPS35962  Anisocoma acaulis F. W. Peirson 1921-5-19 1468 Los Angeles Little Rock Creek; San Gabriel Mts. 1036 Comment
  UCR95428  Anthemis cotula Steve Boyd, O. Mistretta 1996-5-23 8814 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to power plant, just north of upper end of Castaic Lake. 500 Comment
  RSA601118  Anthemis cotula L. C. Wheeler 1967-6-26 9910 Los Angeles San Gabriel Mountains : Placerita Canyon; ca. 1/4 mile E of highway 457 Comment
  UCR213788  Anthriscus caucalis Scott D. White, Justin M. Wood, Jamie Miner 2009-5-12 12697 Los Angeles San Gabriel Mountains, Millard Canyon, north of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lower Fire Road 707 Comment
  RSA165715  Antirrhinum coulterianum Lawrence T. McHargue, B. Miller 1963-7-6 s.n. Los Angeles Atmore Meadow, Liebre Mtn. 1372 Comment
  SEINET12948067  Antirrhinum coulterianum G. B. Grant 1904-1 49 Los Angeles Covina. Comment
  SEINET12948091  Antirrhinum coulterianum E. D. Palmer 1902-1 s.n. Los Angeles Claremont. Comment
  UC1341839  Antirrhinum coulterianum Noel H. Holmgren and James L. Reveal 1966-5-30 2612 Los Angeles 0.5 mi w Wickiup Campground (Tujunga Creek Canyon); San Gabriel Mountains, Tujunga Creek Canyon 975 Comment
  RSA14204  Antirrhinum coulterianum Carl B. Wolf 1926-03 s.n. Los Angeles Occidental College Campus, Eagle Rock Comment
  POM354865  Antirrhinum multiflorum L. E. Hoffman 1929-6-23 s.n. Los Angeles Wash. Hd. [Wash at head of] Pacoima Canyon, Angeles National Forest. Comment
  POM354867  Antirrhinum multiflorum Christopher Davidson, B. Gustafson 1975-6-24 2874 Los Angeles Big Tujunga Canyon, ca. 5 mi NE of Sunland on rd 2N78, in a small side canyon running SW. 686 Comment
  UCR146467  Antirrhinum multiflorum Orlando Mistretta 1992-6-12 536 Los Angeles Transverse Ranges; San Gabriel Mountains region, Cow Canyon, Road 2N29 EA- from Saddle to 2nd main drainage Comment
  RSA0016912  Aphanisma blitoides Colton Russell s.n. Los Angeles Redondo Comment
  POM3370  Apiastrum angustifolium P. A. Munz 1918-4-16 2068 Los Angeles Claremont, Pomona College Campus Comment
  UC61533  Apiastrum angustifolium Ernest Braunton June 1903 889 Los Angeles Glendale to Burbank Comment
  RSA470385  Apiastrum angustifolium M. B. Dunkle 1933-4-19 3311 Los Angeles Palos Verde Hills. Comment
  SEINET12117499  Apiastrum angustifolium I. W. Clokey, Templeton, B. 1929-1 4434 Los Angeles Mandeville Canyon, Santa Monica Mountains 425 Comment
  POM198003  Apocynum cannabinum Joseph A. Ewan 1932-4-22 7180 Los Angeles on high bank above Los Angeles River, San Fernando Valley. Comment
  RSA586814  Apocynum cannabinum Orlando Mistretta, Steve D. Boyd 1994-6-21 1381 Los Angeles San Gabriel Mountains. Santiago canyon. Drainage [northwest] of Pacifico Mountain. 1676 Comment
  RSA450802  Aptenia cordifolia A. C. Sanders 1987-12-4 7448 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  RSA639146  Arabis glabra var. glabra L. C. Wheeler 1973-7-15 s.n. Los Angeles Doe Flat; Graveyard Canyon. Comment
  UCR192568  Arabis pulchra A. C. Sanders 2008-4-10 34807 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM 'Pine 1006 Comment
  RSA0092532  Arabis sparsiflora R. G. Swinney 2011-6-22 15248 Los Angeles San Gabriel Mountains: Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy. 1780 Comment
  RSA0095311  Arabis sparsiflora Richard G. Swinney 2011-6-23 15321 Los Angeles San Gabriel Mountains: Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao visitor Center. 1582 Comment
  RSA632418  Arbutus menziesii Valerie L. Soza, LeRoy Gross 1999-7-15 630 Los Angeles San Gabriel Mountains: Helispot off Mt. Wilson Trail, 2.7 miles from trailhead in Sierra Madre. 822 Comment
  UCR21100  Arceuthobium A. C. Sanders, Nancy Smith, K. R. Neisess 1980-6-4 1553 Los Angeles Pine Canyon, SW of the Antelope Valley in the San Andreas Fault zone 1372 Comment
  UCR58367  Arctostaphylos catalinae Reid Moran 1949-2-8 3153 Los Angeles Santa Catalina Island, Canyon above Whites Landing 457 Comment
  RSA635137  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley, Allen Massihi 1992-8-20 20289 Los Angeles Road to Mt. Gleason, 200 m west of Mill Creek Summit. 1490 Comment
  RSA629099  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Allen Massihi 1992-8-20 20242 Los Angeles Mill Creek Summit, Angeles Forest Hwy. San Gabriel Mtns. 1470 Comment
  CAS-BOT-BC24694  Arctostaphylos glandulosa subsp. mollis LeRoy Abrams 1901-4-15 1120 Los Angeles Wilson's Peak. 1219 Comment
  RSA70854  Arctostaphylos glandulosa subsp. mollis F. W. Peirson 1922-5-30 4724 Los Angeles West spur of Mt. Lowe. 1280 Comment
  UC21842  Arctostaphylos glandulosa subsp. mollis Harley P. Chandler 1897-4-12 Los Angeles mt. side Claremont 1219 Comment
  UCR65516  Arctostaphylos glandulosa subsp. mollis T. S. Ross, Steve Boyd 1990-5-15 2468 Los Angeles San Gabriel Mtns., Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District 1049 Comment
  UCSB4775  Arctostaphylos glandulosa subsp. mollis Decker, Helen 1946-4-14 Los Angeles South slope of Arroyo Seco Canyon Switzer's Camp, Arroyo Seco Canyon, San Gabriel Mountains 1036 Comment
  POM367313  Arctostaphylos glauca I. M. Johnston 1929-4-7 s.n. Los Angeles near Mt. Pleasant View Ridge Comment
  RSA604745  Arctostaphylos glauca L. C. Wheeler 1932-9-12 1380 Los Angeles W. of Hogback, San Antonio Canyon 1311 Comment
  RSA631463  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16030 Los Angeles Ridge Route, 18 km south of Liebre Gulch turnoff. 900 Comment
  RSA631468  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15715 Los Angeles Angeles Forest Highway, 11 km north of Big Tujunga Canyon turnoff. 1425 Comment
  RSA631605  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15941 Los Angeles Hughes Lake Road, 7 km north of Highway 5. 400 Comment
  RSA631660  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20182 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA0087360  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-27 15750 Los Angeles Santa Clara Divide Rd. (3N17), 2 km off Sand Canyon Rd., San Gabriel Mountains. 900 Comment
  RSA631707  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15937 Los Angeles North of Castaic Lake. 1000 Comment
  SBBG125328  Arctostaphylos parryana subsp. parryana A. Parikh, N. Gale 2010-6-19 3352 Los Angeles Upper Big Tujunga Cyn, 0.9 km W of Shortcut Station, 0.6 km N of St Hwy 2, San Gabriel Mtns 1247 Comment
  RSA634839  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20460 Los Angeles S of Sulphur Springs Cpgrd, N of Angeles Crest Hwy, San Gabriel Mtns. 1700 Comment
  RSA634849  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20543 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA635122  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20310 Los Angeles Road to Mt. Gleason, 3.7 km west of Mill Creek Summit, San Gabriel Mtns. 1665 Comment
  RSA635145  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20559 Los Angeles Road to Sulphur Springs Cpgrd., 4 km N of Angeles Crest Hwy, N of Chilao Cpgrd. San Gabriel Mtns. 1840 Comment
  RSA635147  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20582 Los Angeles Road to Suphur [Sulphur] Springs Cpgrd., across from Singing Pines Camp, 1.7 km N of Angeles Crest Hwy, N of Chilao. San Gabriel Mtns. 1640 Comment
  RSA635259  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20651 Los Angeles Angeles Crest Hwy., Cloudburst Summit, San Gabriel Mtns. 2100 Comment
  RSA70824  Arctostaphylos patula F. W. Peirson 1918-6-17 143 Los Angeles summit of North Baldy 2743 Comment
  UCR223511  Arctostaphylos patula R. G. Swinney 2009-5-28 10961 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  RSA0112073  Aristida adscensionis Steven A. Junak 2000-5-18 SCa- 1297 Los Angeles Santa Catalina Island. W side of 4th of July Cove. 36 Comment
  POM246544  Artemisia californica F. R. Fosberg 1931-12-10 7157 Los Angeles Avalon, Public Utilities Canyon. Santa Catalina Island. 50 Comment
  SDSU3  Artemisia californica R. M. Beauchamp 1967-1-27 105 Los Angeles San Clemente Island. Comment
  SEINET209192  Artemisia californica F. W. Peirson 1918-9-15 245 Los Angeles Los Angeles County: Near foot of Sister Elsie Peak trail. San Gabriel Mountains. 640 Comment
  UC447151  Artemisia californica J. Ewan 1931-2-2 4009 Los Angeles Rio Hondo R. at Telegraph Road Comment
  RSA729322  Artemisia ludoviciana R. G. Swinney 1999-7-28 7576 Los Angeles East Fork San Gabriel River Canyon, c. 400 m north of Allison Gulch. 732 Comment
  RSA760586  Artemisia ludoviciana R. G. Swinney 2008-10-16 9618 Los Angeles Big Pine Meadow 2061 Comment
  RSA239442  Artemisia nesiotica E. R. Blakley 1961-4-12 4082 Los Angeles San Clemente Island: small canyon southeast of triangulation point 'Port' (outlet from camp waste water) 106 Comment
  UC284781  Artemisia nesiotica P. A. Munz 1923-4-9 6615 Los Angeles San Clemente Island Comment
  RSA417399  Artemisia tridentata subsp. tridentata E. Fitzgerald 1930-07 s.n Los Angeles Eastern Sierra: opposite Devil's Punchbowl, Angeles National Forest. Comment
  RSA17060  Asclepias californica C. B. Wolf 1936-5-27 7858 Los Angeles Aliso Canyon to Buckhorn Flats Road, 3.6 mi. above Tie Camp Summit (1st summit) 1889 Comment
  UCSB4940  Asclepias californica Haller, John 1957-4-13 Los Angeles Upper Mint Canyon, ca. 5 road miles E. of road to Acton and 10 road miles E. of Angeles forest Highway junc. 914 Comment
  PASA1940  Asclepias eriocarpa Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  UCR209930  Asclepias eriocarpa R. G. Swinney 2008-7-15 9202 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  SEINET10580452  Asclepias eriocarpa Victor Duran 1933-7-25 Duran 3532 Los Angeles Buckhorn, San Gabriel Mountains 1981 Comment
  RSA773800  Asclepias fascicularis R. G. Swinney 2009-6-17 11154 Los Angeles Ball Flat, 2.6 miles NW (312 deg.) of Big Pines 1878 Comment
  SBBG31249  Asclepias fascicularis R. F. Thorne 1966-4-7 35977 Los Angeles near Arrow Pt, W end of island 60 Comment
  UCR103489  Asclepias fascicularis David Charlton 1989-6-10 3208 Los Angeles Tehachapi Mtns., Tejon Pass, [Tejon Post Rd] Gorman Post Rd., 1 mile [S]SE of Gorman, alkali spring at the electric substation. 1098 Comment
  SEINET12045051  Asparagus officinalis I. Johnston 1917-1 s.n. Los Angeles El Monte 275 Comment
  RSA190915  Aspidotis californica Robert F. Thorne 1967-5-18 36873 Los Angeles Santa Catalina Island. Wild Boar Gully (Cercocarpus Arroyo). 167 Comment
  UC61201  Aspidotis californica Harley P. Chandler 1897-4-12 Los Angeles Palmer's Canyon Claremont 731 Comment
  SFV5487  Aspidotis californica W. A. Kelley 1968-1-14 s. n. Los Angeles Santa Susana Mountains Chatsworth. Santa Susana Pass. Comment
  RSA417653  Aster subulatus var. ligulatus H. L. Bauer 1929-09 379 Los Angeles Long Beach 30 Comment
  JEPS54675  Astragalus Frank W. Peirson 1922-7-5 3167 Los Angeles n Big Pines (Le Montaine); San Gabriel Mts, n of Big Pines, Le Montaine 2209 Comment
  RSA737562  Astragalus brauntonii Sandra Leatherman 1999-6-18 77 Los Angeles Transverse Ranges, Santa Susana Mtns region, Dayton Canyon 341 Comment
  SD185207  Astragalus didymocarpus S. J. Myers 2005-5-11 Los Angeles Northeast of Lancaster, southwest of the intersection of Avenue H and 10th Street. 719 Comment
  UCR78127  Astragalus douglasii Wandalee Thompson 1964-4-11 8 Los Angeles San Gabriel Mtns., Liebre Mountains, Angeles National Forest, near Green Valley, San Francisquito Canyon 854 Comment
  SBBG112787  Astragalus gambelianus S. A. Junak with M. L. Hoefs, K. Kirkland 1998-4-4 SCa 530 Los Angeles Little Ripper's Cyn, just inland from beach 51 Comment
  LA211161  Astragalus gambelianus Arthur C. Gibson; Tony Valois 2010-3-9 5316 Los Angeles SANTA MONICA MOUNTAINS, behind fire station on Cornell Rd., Agoura Hills. Comment
  SD121758  Astragalus gilmanii Ralph Hoffman 1931-6-21 Los Angeles Mount Baldy, rocky slope Comment
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Jan 5 2012
  SD66853  Astragalus nevinii R. Mitchel Beauchamp 1967-3-19 322 Los Angeles San Clemente Island, along the beach at West Cove Comment
  UCR222760  Astragalus pachypus R. G. Swinney 2009-5-12 10755 Los Angeles Transverse Range; San Gabriel Mtns., lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg. ) of Littlerock 1088 Comment
  CAS-BOT-BC194073  Astragalus trichopodus var. lonchus Carl Epling 1931-5-2 s.n. Los Angeles Los Alisos Canyon Comment
  LA210508  Astragalus trichopodus var. lonchus T. R. Huggins; 2013-3-16 13- 13 Los Angeles SANTA MONICA MOUNTAINS, Corral Canyon, Corral Canyon Rd ; ca. 1.2 mi from Pacific Coast Highway. 129.0 Comment
  POM49322  Astragalus trichopodus var. lonchus L. W. Nuttall 1920-5-31 s.n Los Angeles Big Wash Canyon, Santa Catalina Island. Comment
  POM74235  Astragalus trichopodus var. phoxus Katherine Brandegee 1909-05 s.n Los Angeles Saugus Comment
  UC440464  Astragalus trichopodus var. phoxus Carl Epling and Lincoln Ellison 1929-4-27 Los Angeles Topango Canyon Santa Monica Mountains, Topango Canyon (Santa Monica Mountains, Southern California) Comment
  CAS-BOT-BC200831  Astragalus trichopodus var. trichopodus I. M. Johnston 1918-5-19 1964 Los Angeles Hills south of Pomona 365 Comment
  CAS-BOT-BC17506  Athysanus pusillus C. F. Baker 1904-4-1 4124 Los Angeles Claremont. Comment
  SBBG30832  Athysanus unilateralis S. Boyd with L. Lenz 2001-5-2 10421 Los Angeles St Hwy 138, base of hills at edge of W-most end of the Antelope Valley, just E of the jct with the old Ridge Rte Comment
  SDSU5514  Atriplex argentea var. mohavensis R. M. Beauchamp 1967-3-18 295 Los Angeles San Clemente Island. Comment
  LA200358  Atriplex californica Jonathan Sauer; D. Birindelli 1968-5-6 4342 Los Angeles SANTA MONICA MOUNTAINS, Point Dume 3 Comment
  SBBG118706  Atriplex canescens O. Mistretta 1992-8-17 748 Los Angeles Haines Cyn Trail, Tujunga Ranger District Comment
  RSA452380  Atriplex coulteri F. R. Fosberg 1931-4-16 S 4648 Los Angeles Bulrush Ridge, Santa Catalina Island. 210 Comment
  RSA711444  Atriplex covillei LeRoy Gross 2005-5-19 2309 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
  UCR125401  Atriplex heterosperma A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25474 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals 335 Comment
  CLARK-A1528-2536  Atriplex lentiformis subsp. breweri John C. Roos 1942-9-12 1724 Los Angeles Santa Monica 15 Comment
  LA99140  Atriplex lentiformis subsp. lentiformis R. L. Armacost; 1960-1 1310 Los Angeles Santa Monica Mountains, Malibu Creek State Park, Malibu, Malibu Lagoon Comment
  POM156345  Atriplex leucophylla L. R. Abrams 1902-6-9 2491 Los Angeles Playa Del Rey Comment
  UC205258  Atriplex leucophylla J. Burtt Davy 1896-10-14 2733 Los Angeles Santa Monica Comment
  RSA716066  Atriplex micrantha Scott D. White, Andrea Warniment 2006-7-7 s.n. Los Angeles Gorman area, Gorman creek NE of the I-5 Freeway. SE Tehachapi Mts. 1037 Comment
  SD67593  Atriplex nummularia Carl B. Wolf 1934-6-9 5740 Los Angeles Coastal bluffs at Playa del Rey. Comment
  UCR274098  Atriplex pacifica Steven A. Junak 1999-4-23 SCa- 855 Los Angeles California Islands, Santa Catalina Island. South side of island, saddle on ridgetop, below Triangulation Point 'granite 341 Comment
  SBBG98  Atriplex polycarpa R. Hoffmann 1927-9-23 Los Angeles Lancaster Comment
  CATA1527  Atriplex prostrata Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1996-7-10 2748 Los Angeles Santa Catalina Island: Catalina Harbor at the Isthmus 3 Comment
  RSA607704  Atriplex prostrata Scott D. White 1997-11-5 6013 Los Angeles Malibu Coast: Mouth of Trancas Cyn., north of Pacific Coast Hwy. 7 Comment
  RSA0082912  Atriplex semibaccata Michael J. Moore, Hilda Flores Olvera, Helga Ochoterena, Ya Yang, Tommy Stoughton 2015-5-30 3132 Los Angeles Abalone Cove Reserve, Palos Verdes Nature Preserve. Along terrace overlooking the ocean. 21 Comment
  SBBG128334  Atriplex semibaccata M. Zou, A. Cheung, D. Kasang, S. Lawrence-Gomez, S. Ratay 2011-7-8 24 Los Angeles Deer Valley Trail 62 Comment
  SD31220  Atriplex semibaccata Edith A. Purer 1931-4-28 Los Angeles Palos Verdes Hills. Comment
  SD8053  Atriplex serenana J. C. Nevin 1885-1 1885 Los Angeles Los Angeles Comment
  SEINET4136206  Atriplex suberecta Howard C. Stutz 1988-10-4 89253 Los Angeles Grown in BYU greenhouse from seed collected at Ave. D, 5 mi. N of Lancaster.; 0 Comment
  SD112536  Atriplex triangularis Darley F. Howe 1938-8-2 730 Los Angeles Coast south of Long Beach. Comment
  SD85120  Atriplex watsonii E. R. Blakley 1962-6-10 5227 Los Angeles San Clemente Island, Eel Point. 3 Comment
  SD90533  Atriplex watsonii Robert F. Thorne 1973-4-12 42896 Los Angeles San Clemente Island, China Point at end of road. 14 Comment
  UC1130896  Avena barbata A. D. Gifford 1935-3-15 471 Los Angeles Elizabeth Lake Canyon Angeles National Forest, Tejon Quadrangle (2 1/2 mi from mouth) Comment
  RSA385385  Avena fatua Howard Mullins 1931-3-13 s.n. Los Angeles L.A. [Los Angeles] Vacant Lots and waste places in the city, roadsides Comment
  CAS-BOT-BC66220  Azolla filiculoides Ira L. Wiggins 1926-2-20 1835 Los Angeles at top of Potrero Grnde Comment
  UC211178  Azolla filiculoides I. Johnston 1917-5-13 1030 Los Angeles El Monte Comment
  RSA628579  Baccharis emoryi Louis C. Wheeler 1967-7-23 10173 Los Angeles San Gabriel Mountains: Mojave Desert Slope; pond 1/2 mi. west from Barrel Springs, San Andreas Rift Zone. Comment
  UCR88681  Baccharis pilularis Scott D. White 1995-10-19 3695 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  OBI34898  Baccharis pilularis subsp. consanguinea David J. Keil 1983-8-23 17872 Los Angeles just W of Leo Carillo State Beach along hwy 1 ca. 1 mi E of Ventura county line Comment
  SBBG12854  Baccharis pilularis subsp. consanguinea E. R. Blakley 1961-9-24 4780 Los Angeles Little Springs Cyn 15 Comment
  CAS-BOT-BC99627  Baccharis plummerae Peter H. Raven; Henry J. Thompson 1958-10-11 13749 A Los Angeles Tuna Canyon 1.8 miles north of Coast Highway 426 Comment
  OBI26286  Baccharis salicifolia Mark Schneider 1973-5-12 27 Los Angeles Vogel Flats, Big Tujunga Canyon 792 Comment
  POM350352  Baccharis salicifolia Robin S. Collins 1973-5-15 305 Los Angeles Angeles National Forest; Trail Canyon, into cyn. ca. 1/2 - 1 mi from beginning of pack trail 610 Comment
  RSA598662  Baccharis salicifolia L. C. Wheeler 1966-11-19 9132 Los Angeles San Gabriel Mountains. Tunnel Bypass, 1/4 mi. upstream from Dutch Louie Camp, Pacoima Canyon. 716 Comment
  RSA754089  Baccharis salicifolia Bart O'Brien, Ellen Mackey 2006-10-19 NFWF- 1803 -2009 Los Angeles Lario San Gabriel River Trail Park 53 Comment
  UCR106302  Baccharis salicifolia B. G. Pitzer 1996-5-5 2865 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
  UC893721  Baccharis salicifolia subsp. salicifolia I. W. Clokey and B. C. Templeton 1930-3-11 4604 Los Angeles Beverly Boulevard Los Angeles Comment
  UCD129482  Baccharis salicifolia subsp. salicifolia Peter H. Raven 1959-2-15 13921 Los Angeles Santa Monica Mountains. Beverly Glen Boulevard 2.6 miles north of Sunset Boulevard. 213 Comment
  CAS-BOT-BC16442  Barbarea orthoceras A. J. McClatchie 1896-7-4 1163 Los Angeles Smith Mountain. 1524 Comment
  RSA482811  Barbarea orthoceras B. C. Templeton 1932-5-31 4896 Los Angeles Big Pines Park, San Gabriel Mountains. Comment
  CAS-BOT-BC75763  Berberis nevinii Charles Darland 1933-1-1 s.n. Los Angeles San Gabriel Mountains. Pacoima Wash near San Fernando. 365 Comment
  RSA0048505  Berberis nevinii Jack Pepper 1953-3-20 s.n. Los Angeles Encino park. Comment
  UCR219431  Bidens pilosa R. G. Swinney 2009-3-28 10187 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon 427 Comment
  SBBG118572  Bituminaria bituminosa S. L. Hobbs 1999-4-22 1 Los Angeles Clamshell Truck Trail, Monrovia 1079 Comment
  RSA367311  Bloomeria crocea Elbert Benjamine 1929-5-29 184 Los Angeles San Dimas canyon. San Gabriel Mountains. Comment
  UCR223211  Bloomeria crocea R. G. Swinney 2009-5-27 10893 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  SEINET12049471  Bloomeria crocea B. C. Templeton 1930-1 1465 Los Angeles Mulhalland Drive, Santa Monica Mts 300 Comment
  CHSC83650  Boechera arcuata John Dittes; Chris Williams 1989-4-29 5 Los Angeles Transverse Range; San Gabriel Mts., Canyon of Upper Big Tujunga Creek; ca. 0.25 mi. downstream of bridge to Camp Colby. On upper slope above creek bank. 929 Comment
  RSA482649  Boechera californica Samuel R. Tyson 1942-4-24 s.n. Los Angeles San Dimas Canyon Comment
  RSA585530  Boechera californica Timothy S. Ross 1992-4-21 6231 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
  CATA1641  Bolboschoenus maritimus subsp. paludosus Mark L. Hoefs, Steven A. Junak 1998-6-12 2924 Los Angeles Santa Catalina Island: At Isthmus, across from Catalina Harbor 6 Comment
  RSA451997  Bowlesia incana F. R. Fosberg 1931-5-7 7169 Los Angeles Cottonwood Canyon, left fork, Santa Catalina Island. 220 Comment
  RSA592375  Bowlesia incana Mark Hoefs 1974-3-28 419 Los Angeles Santa Catalina Island: in upper Bullrush Canyon 251 Comment
  UCR150661  Bowlesia incana James Henrickson 1985-3-30 19756 Los Angeles Western Transverse Range, c. 3 air miles NNW of Newhall in proposed North Hills development just north of Santa Clara River and just east of San Francisquito Creek 381 Comment
  CAS-BOT-BC420341  Boykinia rotundifolia unspecified 1901-7-1 1872 Los Angeles W fork of San Gabriel River Comment
  UCR11645  Boykinia rotundifolia H. J. Thompson 1960-6-7 3067 Los Angeles Western Transverse Range; Santa Monica Mtns., Malibu Canyon, 0.4 mi south of tunnel, 1.6 mi south of Tapia Park 152 Comment
  UCSB33281  Boykinia rotundifolia Wilken, Dieter 1965-7-25 Los Angeles North Fork of San Gabriel River about 1 ndle north of West Fork confluence 762 Comment
  SFV2315  Brachychiton populneum P. G. Kilburn 1957-12-8 568 Los Angeles San Fernando Valley Los Angeles, Northridge. Northeast corner of Nordhoff Street and Zelzah Avenue. 258 Comment
  RSA637504  Brachypodium distachyon Valerie L. Soza, LeRoy Gross 1999-5-10 449 -B Los Angeles San Gabriel Mountains: Foothills above Glendora, west of Colby Trail, at end of Loraine Avenue. 378 Comment
  RSA0036766  Brassica geniculata Michelle Cleveland 1981-2-14 17 Los Angeles Hwy 10 East, exit on Etiwanda, head North, take next Right, stop at agriculturely maintained field next to Etiwanda and adjacent the Hwy. Comment
  SBBG98687  Brassica geniculata T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5050 Los Angeles ca. 650 ft SE of the air terminal, new airfield, N end of island 64 Comment
  UCR108390  Brassica geniculata L. C. Wheeler 1961-6-13 7884 Los Angeles San Gabriel Mtns., Pacoima Canyon near Dutch Louie Camp 716 Comment
  UCR219441  Brassica geniculata R. G. Swinney 2009-3-26 10175 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River at El Encanto Azusa River Wilderness Park 296 Comment
  RSA0066350  Brassica nigra R. G. Swinney 2008-4-16 8670 Los Angeles San Dimas, Spring Canyon. 341 Comment
  CAS-BOT-BC100406  Brickellia californica John Thomas Howell 1927-10-16 3156 Los Angeles on trail from Santa Anita [Canon] Canyon to Sierra Madre, San Gabriel Mts. Comment
  CAS-BOT-BC100410  Brickellia californica Joseph Andorfer Ewan 1936-8-2 9911 Los Angeles Mescal Creek, San Gabriel Mts. 1615 Comment
  JEPS18578  Brickellia californica Frank W. Peirson 1918-10-21 221 a Los Angeles West Fork San Gabriel River San Gabriel Mountains, West Fork San Gabriel River 1066 Comment
  RSA164851  Brickellia californica Wesley O. Griesel 1962-9-14 738 Los Angeles State Hwy. 2 between Islip Saddle and Dawson Saddle. 2134 Comment
  RSA680065  Brickellia californica Mark Elvin, Michael Wall, Scott Koukol, Sylvia Engstrom 1996-9-11 350 Los Angeles Angeles National Forest. Glendora Ridge Road. On road cuts. 1.55 mi W of gate, just W of Cow Canyon Saddle. Comment
  RSA739768  Brickellia californica John Dittes 2006-11-3 1427 Los Angeles Western Transverse Ranges, San Gabriel Mtns, Big Tujunga Canyon, 2.7 air miles SE of Mt. Mckinley, 3.8 air miles W of Big Tujunga Reservoir, 3.6 air miles NE of Mt. Gleason Jr. High school. 512 Comment
  RSA783441  Brickellia californica J. D. Olmsted 1959-9-21 967 Los Angeles Canyon side along road above Big Dalton Dam alongside the inlet from Monroe Canyon in San Dimas Experimental Forest NE of Glendora, San Gabriel Mts. 579 Comment
  SBBG66133  Brickellia californica R. Hoffmann 1927-9-21 Los Angeles Ridge Route (US Hwy 99) near Sandberg's Comment
  SBBG66138  Brickellia californica R. Hoffmann 1928-11-11 Los Angeles Little Rock Dam Comment
  SJSU13548  Brickellia californica C. W. Sharsmith 1940-8-29 4222 Los Angeles S slope Gabriel Peak at head of Eaton Canyon, San Gabriel Mts 1524 Comment
  LA200175  Brickellia californica Jonathan Sauer; D. Bradbury, A. Lang 1969-9-25 4611 Los Angeles Santa Monica Mountains, Sequit Point 7 Comment
  RSA0116901  Bromus arizonicus Lyman Benson 1947-3-19 12283 Los Angeles Claremont. 350 Comment
  SBBG56651  Bromus berteroanus R. Hoffmann 1932-4-8 Los Angeles 5 mi W of El Mirage Post Office Comment
  UCR280892  Bromus berteroanus R. G. Swinney 2014-5-1 16311 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, east end of Holcomb Ridge, 2.2 road miles east of jct. of Bob's Gap Rd. and Panorama Rd., from base of ridge at Panorama Rd. to high point at 4519 ft. 1378 Comment
  POM308936  Bromus carinatus var. carinatus Kay H. Beach 1943-7-30 704 Los Angeles Monroe Canyon bottom station no. 13, San Dimas Experimental Forest. U.S. Forest Dept. Comment
  POM353049  Bromus diandrus L. E. Hoffman 1934-5-13 s.n. Los Angeles Millard's Canyon, Angeles National Forest. [San Gabriel Mountains.] Comment
  RSA591596  Bromus diandrus C. Epling, L. Ellison 1929-4-27 s.n. Los Angeles Santa Monica Mountains. Topango [Topanga] Canyon. Comment
  RSA592358  Bromus diandrus L. C. Wheeler 1967-5-9 9406 Los Angeles San Gabriel Mountains. Aliso Canyon. 945 Comment
  SD253332  Bromus diandrus R. G. Swinney 2011-3-26 14220 Los Angeles San Gabriel Mountains: San Dimas Experminetal Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Canyon (Glendora 7.5'Q) 476 Comment
  UC148001  Bromus diandrus C. F. Baker 1909-4-20 5279 Los Angeles Claremont; Southern California, Claremont Comment
  UCSB329  Bromus grandis B., K. 1943-6-14 Los Angeles Garbage pit road S of Dry Lake; Tanbark Flat; San Dimas Experimental Forest; San Gabriel Mtns 822 Comment
  UC205228  Bromus hallii I. M. Johnston 1918-7-6 2070 Los Angeles San Antonio Mountains, Prairie Fork of San Gabriel River Prairie Fork San Gabriel River; San Antonio Mountains, Prairie Fork San Gabriel River 1981 Comment
  CAS-BOT-BC155398  Bromus hordeaceus 1898-4-8 s.n. Los Angeles San Pedro. Comment
  POM363874  Bromus hordeaceus A. M. Johnson 1933-5-17 4247 Los Angeles Del Rey Salt Marsh. Comment
  RSA0116802  Bromus hordeaceus Richard G. Swinney 2010-5-25 12936 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  SBBG17971  Bromus hordeaceus E. R. Blakley 1963-4-10 5596 Los Angeles 1 mi S of Avalon 30 Comment
  UCR270976  Bromus hordeaceus R. G. Swinney 2011-4-28 14530 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
  UCD58851  Bromus inermis Robert F. Thorne; M. Z. Thorne 1967-7-19 37165 Los Angeles San Gabriel Mts., Angeles National Forest: Big Cienega Springs above Crystal Lake Recreation Area. 1981 Comment
  UCR104098  Bromus madritensis subsp. madritensis Scott D. White 1997-5-21 5211 Los Angeles San Gabriel Mtns., San Gabriel River Canyon: north of Azusa, slope above Hwy 39, above San Gabriel Reservoir 488 Comment
  UCR154020  Bromus madritensis subsp. madritensis A. C. Sanders 2005-5-11 30157 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Canyons 655 Comment
  OBI32507  Bromus madritensis subsp. rubens Robert Lee Allen, David J. Keil and V. L. Holland 1982-4-16 A 488 Los Angeles Along State Hwy 138; 18 mi E of intersection with I-5 in Gorman 823 Comment
  RSA0061133  Bromus madritensis subsp. rubens LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6838 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  SBBG128298  Bromus madritensis subsp. rubens M. L. Hoefs 1991-4-8 1073 Los Angeles side cyn (Rattlesnake Cyn) of upper Avalon Cyn 146 Comment
  SD260154  Bromus madritensis subsp. rubens R. G. Swinney 2010-5-19 12830 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. 1349 Comment
  UCD59568  Bromus rubens Fay A. MacFadden 1935-4-12 s.n. Los Angeles Weldon Canyon. Comment
  CAS-BOT-BC161404  Bromus tectorum L. R. Abrams 1927-4-30 11744 Los Angeles Antelope Valley between Neenach and Fairmont. Comment
  RSA750092  Bromus tectorum R. G. Swinney 2008-4-30 8705 Los Angeles San Dimas Experimental Forest, Monroe Canyon 549 Comment
  SEINET7047901  Bromus tectorum Steven R. Hill, Kate Kramer 2001-4-22 33349 Los Angeles Antelope Valley, east of California Poppy Reserve, north and south sides of Avenue I (Lancaster Road), 1.5 miles west of Munz Ranch Road, 2.6 miles west of junction with 120th Street West, about 15 miles due northwest of Palmdale. Elevation about 2640 feet. Comment
  LA212283  Cakile maritima R Thille; Carol Haines, A. L. Haines 1965-4-4 s.n. Los Angeles Seacliff near Los Angeles and Ventura county line. Comment
  UC1922752  Calandrinia breweri Valerie L. Soza, Laura Moore 2000-5-10 870 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines to peak ''1936''. Near 34deg 14' 22.9'' N 118deg 18' .7'' W T2N R14W NE/4, SW/4 sec. 24. Comment
  UCR204888  Calandrinia ciliata R. G. Swinney 2008-3-31 8588 Los Angeles San Gabriel Mtns., Glendora Mountain summit 1013 Comment
  RSA631082  Calandrinia ciliata L. C. Wheeler 1969-5-3 s.n. Los Angeles Bluebird truck trail. 716 Comment
  RSA638186  Calandrinia ciliata L. C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mountains: East side Little Tujunga Canyon, 3/4 mile south southeast Herreres Ranch. 548 Comment
  UC1215145  Calandrinia ciliata Peter H. Raven 1962-4-10 17198 Los Angeles n-facing clayey slopes <of> Thirst; San Clemente Island 579 Comment
  CAS-BOT-BC132287  Calochortus catalinae Peter H. Raven; H. L. Wedberg 1957-6-15 10909 Los Angeles In Latigo Canyon, 0.8 miles n. of U.S. 101A, Santa Monica Mts. Comment
  CAS-BOT-BC132290  Calochortus catalinae Carl Epling 1931-5-9 s.n. Los Angeles Los Alisos Canyon Comment
  RSA3519  Calochortus catalinae Carl B. Wolf 1932-5-9 3462 Los Angeles Santa Catalina Island; junction of Skyline Drive and Pebbly Beach road. 30 Comment
  UC910077  Calochortus catalinae I. W. Clokey and E. G. Anderson 1935-5-9 6545 Los Angeles Puddingstone Dam Comment
  UCR65200  Calochortus catalinae F. R. Fosberg 1931-4-2 S- 04456 Los Angeles Channel Islands, Santa Catalina Island, divide between Hamilton and Descanso Canyons 250 Comment
  UCR46115  Calochortus clavatus Kathy Harper 1986-5-17 s.n. Los Angeles Western Transverse Range, Forest Park, W side of Vasquez Canyon Road at the junction with Sierra Hwy 518 Comment
  RSA600477  Calochortus clavatus var. gracilis Steve Boyd, Lauren Raz 1997-4-30 9619 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
  RSA660796  Calochortus clavatus var. gracilis LeRoy Gross, Valerie Soza 2001-6-6 435 Los Angeles Verdugo Mountains, north side; Wildwood Fire Road (now deserted and growing back) off of Verdugo Mountain Way dirt fire road. 488 Comment
  CHSC5080  Calochortus invenustus M. MacAurther 1967-6-24 55 Los Angeles 0.7 mi. from turn off on Angeles Crest Hwy. To lower Chilao keeping always to right - - left side of road, Angeles National Forest. 1584 Comment
  SEINET3885358  Calochortus invenustus Timothy S. Ross, Darin L. Banks 1994-6-21 7984 Los Angeles Vicinity of Pacifico Mountain: descending northerly ridge with Tie Canyon on the W, an upper tributary of Santiago Canyon on the E; ca 2175 m NW of Pac. Mtn's 7124-foot summit. Pacifico Mountain USGS 7.5' quad.; 0 1939 Comment
  POM305745  Calochortus plummerae H. J. Ramsey, Henry J. Ramsey 1937-6-27 948 Los Angeles Bear Creek, north of Pacoima Reservoir, Angeles National Forest, San Gabriel Mountains. Comment
  RSA377430  Calochortus splendens M. B. Dunkle 1931-4-22 2451 Los Angeles Little Canyon (Cape), Catalina Island. Comment
  SEINET3885350  Calochortus splendens Keith Dobry 1991-6-28 D 883 Los Angeles Santa Monica Mts. Las Virgenes & Mullholland Hwy. At Soka Univ. E section.; 0 Comment
  UC1537240  Calochortus splendens Gordon H. True Jr. 1935-5-16 293 Los Angeles mouth of Bouquet Canyon Bouquet Canyon 457 Comment
  RSA670358  Calochortus venustus Bonnie C. Templeton 1947-5-21 6277 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  CAS-BOT-BC496763  Calochortus venustus W. Griesel; B. Miller 1963-7-2 s.n. Los Angeles Sawmill Mtn. Campground 1676 Comment
  UCR118162  Calyptridium monospermum V. W. Steinmann 1996-6-17 916 Los Angeles San Gabriel Mtns., c. 1 km. (by air) SW of Mt. San Antonio, along Baldy Trail. 2850 Comment
  SBBG37910  Calystegia macrostegia subsp. amplissima M. B. Dunkle 1939-4-6 7291 Los Angeles Mosquito Harbor Comment
  OBI35684  Calystegia macrostegia subsp. cyclostegia Rebecca Cicoria 1982-4-25 40 Los Angeles Palos Verdes Peninsula: Lower Sepulveda Canyon, along Sis' Trl, rolling hills Comment
  SD27742  Calystegia macrostegia subsp. cyclostegia Carl B. Wolf 1932-5-9 3440 Los Angeles Santa Catalina Island; Pebbly Beach. Comment
  CAS-BOT-BC215793  Calystegia macrostegia subsp. intermedia Le Roy Abrams 1901-6-18 s.n. Los Angeles Los Angeles Comment
  RSA394899  Calystegia macrostegia subsp. intermedia Fay A. MacFadden 1931-4-1 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  RSA630281  Calystegia macrostegia subsp. intermedia LeRoy Gross 1999-2-25 122 Los Angeles Verdugo Mountains: Along dirt road called Hostetler Mountain Way, right across La Tuna Canyon exit coming east bound on 210 freeway. 609 Comment
  RSA602314  Calystegia occidentalis subsp. fulcrata Steve Boyd, Lauren Raz 1997-6-17 9947 Los Angeles Liebre Mountains region: Little Burnt Peak, at the divide between the head of Fish and Burnt canyons, north of Burnt Peak and southeast of Sawmill Mountain summit. 1597 Comment
  RSA729479  Calystegia occidentalis subsp. fulcrata R. G. Swinney 1999-6-21 7365 Los Angeles Big John Flat. Flat area with coarse sandy granitic gravel. 1622 Comment
  RSA394909  Calystegia purpurata Jessie Velo 1949-6-24 4223 Los Angeles Los Padres National Forest. Comment
  RSA623700  Camissonia Scott D. White 1998-4-30 6364 Los Angeles Wrightwood Area: Sheep Creek and adjacent lower +/- E-facing mountain slopes. 1645 Comment
  RSA682627  Camissonia bistorta Scott D. White, Michael Honer 2003-5-7 9215 Los Angeles Liebre Mountains: Tapia Canyon, about 2 air miles east of Interstate 5 junction at Old Ridge Route. 427 Comment
  POM3106  Camissonia bistorta O. W. Robinson 1916-3-16 s.n. Los Angeles Wash near 2nd St. Claremont. Comment
  RSA228887  Camissonia bistorta Robert F. Thorne 1971-6-26 40622 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Tujunga Canyon 427 Comment
  RSA465660  Camissonia bistorta Fordyce Grinnell Jr. 1910-04 s.n. Los Angeles San Fernando Valley, PacoimaWash Comment
  UCR190378  Camissonia campestris R. G. Swinney 2001-4-18 7915 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  RSA515137  Camissonia cheiranthifolia subsp. cheiranthifolia Aaron Liston, Orlando Mistretta, Loren Rieseberg 1989-4-29 801 -4 Los Angeles San Clemente Island. Main dune area at Darter Road. NW part of island. Comment
  RSA186682  Camissonia guadalupensis subsp. clementina Peter H. Raven 1964-4-18 18772 Los Angeles San Clemente Island, Raven 17628 X Guadalupe Island, Moran & Ernst 6737 (Progenies) Comment
  RSA75447  Camissonia hirtella F. W. Peirson 1919-6-14 478 Los Angeles Rock Creek [Big?] 1524 Comment
  UCR271661  Camissonia hirtella R. G. Swinney 2011-5-31 14927 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  RSA127869  Camissonia intermedia H. J. Thompson 1959-4-12 1926 Los Angeles Santa Monica Mountains: 2 miles west of Las Virgenes Road, Mulholland Highway. 305 Comment
  RSA449014  Camissonia intermedia Bonnie C. Templeton 1931-4-12 s.n. Los Angeles Mandeville Canyon. 350 Comment
  UC153903  Camissonia lewisii LeRoy Abrams 1903-4-8 3232 Los Angeles R. R. embankment, Inglewood. Comment
  RSA736333  Camissonia micrantha Scott D. White, Justin M. Wood 2008-5-19 12015 Los Angeles Whittier Narrows Dam County Recreation Area. San Gabriel River floodplain, between Durfee Ave. and 605 freeway. SCE powerline corridor. 67 Comment
  UCR247506  Camissonia micrantha Dan S. Cooper 2013-3-7 313- 57 Los Angeles Western Transverse Range; Hollywood Hills, Griffith Park; sandy roadside at edge of Los Angeles Zoo, near Zoo Dr. 143 Comment
  RSA763151  Camissonia pallida Justin M. Wood 2010-5-10 1647 Los Angeles San Gabriel Mountains: Vicinity of Littlerock Creek; just southwest of intersection of Cheseboro Rd. and Mt. Emma Rd. 973 Comment
  UC166869  Camissonia strigulosa George B. Grant and Walter Wheeler 1904-5-7 Los Angeles in waste wash land Glendora Comment
  UC52255  Camissonia strigulosa Pupils of Los Angeles High School Apr. 1903 Los Angeles Los Angeles Comment
  SBBG60410  Camissoniopsis bistorta R. Hoffmann 1929-4-27 Los Angeles near Castaic Comment
  SBBG17797  Camissoniopsis cheiranthifolia P. H. Raven 1962-7-10 17958 Los Angeles near NW end of island Comment
  LA26076  Camissoniopsis lewisii H. Lewis; 1953-4-10 sn Los Angeles Point Dume Comment
  RSA0031573  Camissoniopsis micrantha Nancy Hamlett 2014-4-23 s.n. Los Angeles Bernard Field Station, Claremont. 366 Comment
  RSA0103469  Camissoniopsis micrantha R. G. Swinney 2011-5-10 14647 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, along Ecology Loop Trail from Nature Center to 0.65 miles to the east 488 Comment
  SBBG61362  Camissoniopsis micrantha M. N. Ackley -Feb-1928 766 Los Angeles Eagle Rock 182 Comment
  UC520026  Camissoniopsis micrantha Joseph Andorfer Ewan 1932-5-19 7536 Los Angeles base of hills Playa del Rey Comment
  RSA433117  Canbya candida Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA530916  Cannabis sativa Walter Kelley 1971-5-26 4 Los Angeles In Stunt Canyon. Santa Monica Mountains. Comment
  LA86169  Cardamine californica var. californica Karen Bartholemew; 1966-2-20 0 4 Los Angeles Santa Monica Mountains, Little Sycamore Canyon, 3.3 mi from US Hwy 101 on Little Sycamore Canyon Rd 365 Comment
  POM369321  Cardamine californica var. integrifolia T. S. Clare 1929-3-28 s.n. Los Angeles Topango [Topanga] Canyon. Comment
  CDA6816  Carduus nutans George Garrettson 1954-6-1 Los Angeles San Vicente Ranch, Walnut. 0 Comment
  RSA0082416  Carex alma R. G. Swinney 2010-9-7 13724 Los Angeles NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks. 1768 Comment
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Oct 27 2020
  RSA228954  Carex alma Robert F. Thorne 1971-8-25 41295 Los Angeles San Gabriel Mountains, Angeles National Forest: At Little Jimmy Springs. 2256 Comment
  RSA729347  Carex alma R. G. Swinney 1999-6-21 7361 Los Angeles spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  SBBG59277  Carex alma R. Hoffmann 1927-8-31 Los Angeles Oak's Garage, Mint Cyn Comment
  UCR273809  Carex alma R. G. Swinney 2011-6-15 15198 A Los Angeles San Gabriel Mountains, Chilao Creek, 100 m south and north of Chilao Campground 1573 Comment
  UCR190102  Carex athrostachya R. G. Swinney 1998-9-7 6938 Los Angeles San Gabriel Mtns., Dawson Peak Ridge Trail at far NE tributary of upper Fish Fork San Gabriel River, 1.3 mi. west of Dawson Peak 2524 Comment
  SFV20867  Carex barbarae L. Gross, N. Fraga, S. Williams 2002-7-17 560 Los Angeles Verdugo Mountains North side, La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road. 295 Comment
  SBBG125217  Carex globosa A. Parikh, N. Gale 2010-6-23 3363 Los Angeles upper Shortcut Cyn, 1.3 km S of St Hwy 2, 1.5 km NNW of W Fork San Gabriel River 1290 Comment
  RSA250479  Carex hassei Robert F. Thorne, John Dourley 1967-10-10 37361 Los Angeles Angeles National Forest: 1.5 mi. E of Dawson Saddle 2332 Comment
  RSA230053  Carex multicaulis Robert F. Thorne 1971-6-26 40594 Los Angeles Summit of Mt. Wilson 1738 Comment
  RSA660255  Carex schottii Orlando Mistretta, Peter L. Morrell 1992-6-4 503 Los Angeles Traverse Ranges: San Gabriel Mnts region: Short Cut Canyon, OVH area. Arroyo District, paralleling Big Tujunga. Comment
  SEINET8989734 Image available Carex specifica Unknown 2006-1 8680 Los Angeles San Gabriel Mountains. Near Angeles Crest Hwy, 0.5 km west of Big Pines and Big Pines Hwy. Mescal Creek 7.5' quad. Comment
  CAS-BOT-BC116603  Carex subfusca John Thomas Howell 1947-7-18 23431 Los Angeles Big Pines, San Gabriel Mts. 2103 Comment
  SEINET7577156 Image available Carex subfusca Timothy S. Ross, Steve Boyd 1990-5-17 2579 Los Angeles San Gabriel Mountains, Little Gleason Forestry Plantation, north side of Mt Gleason Road about the east headwaters of Gleason Canyon, and about 2 (air) miles E of Mt Gleason summit. Acton USGS 7.5' quadrangle. Forest Service tree plantation. 1682 Comment
  CAS-BOT-BC115636  Carex triquetra George Bernard Grant 1902-5-1 139 Los Angeles Glendora, Los Angeles. Comment
  RSA597989  Carex triquetra L. Raz, Michael Wall 1997-3-17 75 Los Angeles Santa Catalina Island. Cape Canyon (trending southwest to northeast) via road from Middle Ranch. 244 Comment
  RSA158719  Carex tumulicola Peter H. Raven 1962-4-10 17239 Los Angeles San Clemente Island. Gully to west side of island about 1.5 miles north of Thirst. 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
  CDA20203  Carpobrotus chilensis M. O'Brien 2003-5-18 MOB 23 -03 Los Angeles South Coast; Malibu Lagoon State Beach. 0 Comment
  CAS-BOT-BC248912  Castilleja Francis W. Pennell 1940-6-24 25996 Los Angeles Pine Mountain, s. of Swartout [Swarthout] 2499 Comment
  RSA187750  Castilleja affinis Robert F. Thorne 1966-4-5 35831 Los Angeles Santa Catalina Island: above stream in Cottonwood Canyon. 107 Comment
  RSA233614  Castilleja affinis Robert F. Thorne 1970-3-5 39350 Los Angeles NE slope of Blackjack Mt., at pper end of Swain's Canyon 396 Comment
  RSA448684  Castilleja applegatei subsp. martinii L. E. Hoffman 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles National Forest. Comment
  RSA596422  Castilleja applegatei subsp. martinii Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-11 3364 Los Angeles Big Rock Creek Canyon: ca 120 m NNW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin). 1732 Comment
  UC1348985  Castilleja applegatei subsp. martinii Robert F. Thorne and M. Z. Thorne 1967-6-25 37102 Los Angeles upper portion Evey Canyon; San Gabriel Mts. 883 Comment
  SBBG79305  Castilleja exserta F. R. Fosberg 1932-5-5 8107 Los Angeles hill N of Avalon 40 Comment
  SBBG120063  Castilleja exserta A. C. Sanders, M. Elvin 2003-4-14 25978 Los Angeles Newhall Ranch, ca. 0.4 mi N of Hwy 126, W of Castaic Crk and N of its confluence with the Santa Clara river, ca. 0.6 mi S of Commerce Center Dr along Franklin Parkway, vicinity of large water tank 305 Comment
  SBBG50972  Castilleja exserta J. Doty 1969-4-19 626 Los Angeles E side of Bouquet Cyn Rd, 6.9 mi N of jct with Francisquito Cyn Rd 487 Comment
  UCR99526  Castilleja gleasoni Steve Boyd, Lauren Raz 1997-3-31 9437 Los Angeles Liebre Mtns., Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Libre Mountain Comment
  UC166879  Castilleja minor subsp. spiralis unknown 1904-6-17 142 Los Angeles Pasadena Comment
  POM15446  Castilleja minor subsp. spiralis L. R. Abrams 1901-4-5 1366 Los Angeles San Fernando Mts. Comment
  OBI70592  Castilleja subinclusa subsp. subinclusa Steve Boyd, Lauren Raz 1997-3-26 9353 Los Angeles Liebre Mts Region: N base of Portal Ridge at the mouth of Myrick Cyn, S edge of the Antelope Valley S of Fairmont Reservoir 1000 Comment
  UCR256589  Castilleja subinclusa subsp. subinclusa Anuja Parikh, Nathan Gale 2011-6-4 3413 Los Angeles Western Transverse Range; eastern Liebre Mtns., Sierra Pelona, 5.5 km west of State Hwy 14, 2.0 km SW of California Aqueduct 1123 Comment
  SEINET12032966  Casuarina W. R. Hamilton 1901-1 s.n. Los Angeles Long Beach Comment
  CAS-BOT-BC38144  Caulanthus amplexicaulis Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-25 3827 Los Angeles San Gabriel Mountains. Ridgetop to the west of Crystal Lake (ridge descending SSW from Mount Islip). 2036 Comment
  OBI2651  Caulanthus amplexicaulis Wesley O. Griesel 1961-6-16 s.n. Los Angeles Dawson Saddle, San Gabriel Mts Comment
  RSA0084172  Caulanthus heterophyllus D. E. Bramlet, Jennifer S. Pareti 2008-4-14 4184 Los Angeles Transverse Ranges: Liebre Mtns region: Bouquet Cyn, 762m southeast of Bouquet Cyn. Road, and 549m S of Hayfork Road. Comment
  CAS-BOT-BC40221  Caulanthus lasiophyllus Louis C. Wheeler 1932-4-1 546 Los Angeles San Jose Hills at Pomona. 304 Comment
  RSA182991  Ceanothus arboreus S. Carlquist, Robert F. Thorne 1966-4-28 1822 Los Angeles Upper terminus of road to Renton Mine, Santa Catalina Island. Comment
  SD69736  Ceanothus arboreus Robert F. Thorne 1966-4-29 36321 Los Angeles Santa Catalina Island; below road to White's Landing above turn-off to Echo Lake 410 Comment
  UC1211079  Ceanothus arboreus Huron H. Smith 1912-7-1 5167 Los Angeles Santa Catalina Island, Summit Comment
  RSA0029521  Ceanothus arboreus Bonnie C. Templeton 1934-4-21 s.n. Los Angeles Bird Sanctuary, Griffith Park Comment
  RSA0073274  Ceanothus cordulatus Bonnie C. Templeton 1932-5-31 4847 Los Angeles Big Pines Camp, Angeles Natl. Park [Forest]. Comment
  RSA650507  Ceanothus crassifolius Harold Lint, Dunn 1948-3-10 316 Los Angeles San Gabriel Cyn. above Res. #1. Comment
  RSA655938  Ceanothus crassifolius James Henrickson 2000-4-15 20710 Los Angeles 1 mile SE of Newhall in W part of Whitney Canyon just NE of junction of San Fernando Road and State Hwy 14, within 200ft of Hwy 14 473 Comment
  RSA747045  Ceanothus crassifolius R. G. Swinney 2008-4-11 8664 Los Angeles San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  IRVC28846  Ceanothus cuneatus Mark A. Elvin, Cathleen Weigand 2003-4-8 2458 Los Angeles Newhall Ranch, flats S of confluence of Hasley Canyon with Castaic Creek Santa Clarita Valley 297 Comment
  UCR100057  Ceanothus cuneatus R. G. Swinney 1969-3-21 311 Los Angeles Sab Gabriel Mtns. Foothills/San G. Valley, West side of Junction of Sierra Madre Ave. and Vernon Ave., Azusa 206 Comment
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Sep 17 2010
  SBBG68373  Ceanothus cuneatus var. cuneatus R. Hoffmann 1931-5-3 Los Angeles San Francisquito Cyn Comment
  SBBG68378  Ceanothus cuneatus var. cuneatus R. Hoffmann 1931-5-3 Los Angeles 3 mi E of Elizabeth Lake Comment
  CAS-BOT-BC50150  Ceanothus integerrimus Geo. B. Grant 1904-5-17 149 Los Angeles Mt. Wilson, So. Calif. 1828 Comment
  RSA682124  Ceanothus integerrimus Valerie L. Soza, Bill Hogshead, Amber Maurice 2003-5-17 s.n. Los Angeles Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena; (Mt. Wilson). 915 Comment
  CAS-BOT-BC51032  Ceanothus integerrimus var. macrothyrsus Vernon Bailey 1907-9-25 1289 Los Angeles Mt. Lowe 1524 Comment
  RSA587816  Ceanothus leucodermis Orlando Mistretta, S. D. Boyd, Darin Banks 1994-4-29 1136 Los Angeles San Gabriel Mountains, Santiago Canyon 1143 Comment
  LA43636  Ceanothus megacarpus Robert Fowler; 1925-1-18 4539 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Sepulveda Canyon. 152 Comment
  RSA2164  Ceanothus megacarpus E. R. Johnson 1929-3-31 s.n. Los Angeles Mulholland Drive. Comment
  CATA1105  Ceanothus megacarpus var. insularis M. B. Dunkle 1929-3-17 2059 Los Angeles Santa Catalina Island: Cape Canyon 0 Comment
  UC1070884  Ceanothus megacarpus var. megacarpus H. A. Jensen 1933-4-10 286 Los Angeles Hollywood Lake Santa Monica quad. 243 Comment
  CAS-BOT-BC50487  Ceanothus oliganthus Marcus E. Jones 1882-2-25 s.n. Los Angeles Pasadena Comment
  UCR130808  Ceanothus oliganthus Mark A. Elvin, Cathleen Weigand 2003-5-22 2904 Los Angeles Western Transverse Range; Santa Susana Mtns., crest of mountains at head of Salt Canyon, Newhall Ranch 915 Comment
  RSA399739  Ceanothus oliganthus var. oliganthus H. Wells 1968-3-17 10 Los Angeles Angeles National Forest. 3.7 miles north northeast junction of State Hwy. 118 and State Hwy. 2, on Angeles Crest Hwy. 762 Comment
  SBBG22036  Ceanothus oliganthus var. oliganthus R. F. Thorne 1964-1-25 34055 Los Angeles Chantry Flats N of Sierra Madre 762 Comment
  SBBG54063  Ceanothus oliganthus var. oliganthus A. Griffith 1962-11-15 4499 Los Angeles Chantry Flat, Big Santa Anita Cyn Comment
  SBBG53969  Ceanothus oliganthus var. sorediatus B. C. Templeton 1931-3-30 526 Los Angeles San Marino Comment
  UCD170954  Ceanothus oliganthus var. sorediatus R. G. Swinney 2009-3-10 10058 Los Angeles San Gabriel Mtns. Foothills, Azusa, El Encanto Azusa River Wilderness Park. 305 Comment
  CAS-BOT-BC63312  Ceanothus spinosus unspecified 202 Los Angeles Santa Monica Canyon. Comment
  UC1071370  Ceanothus spinosus P. L. Johannsen 1934-1-18 230 Los Angeles Topanga Canyon Calabasas Quarangle Comment
  UCR209680  Ceanothus spinosus Dan S. Cooper 2009-1 209- 25 .2 Los Angeles Los Angeles Basin, Baldwin Hills just below new overlook site, south of Jefferson Blvd., CA State Parks property 122 Comment
  RSA0048479  Ceanothus spinosus Elwood Fordham 1951-3-11 s.n. Los Angeles Topanga, near Topanga Highway Spring. 91 Comment
  LA211266  Centaurea calcitrapa Arthur C. Gibson; Tarja Sagar 2006-7-16 5166 Los Angeles SIMI HILLS, along fire road, Upper Virgenes Canyon. Comment
  SEINET13276829 Image available Centaurea cyanus R. G. Swinney 2011-1 15374 Los Angeles San Gabriel Mountains: 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon (Chilao Flat 7.5' Q.) (T3N R12W S35) 1085 Comment
  LA31700  Centaurea melitensis Peter H. Raven; Henry J. Thompson 1959-6-4 14323 Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  RSA652574  Centaurea melitensis R. Nilsen 1955-5-28 s.n. Los Angeles 1/2 mile W. Cal. Poly, San Dimas. 251 Comment
  RSA596445  Centaurea solstitialis Steve Boyd, Mark Elvin, Victoria Jotikasthira 1996-6-25 8867 Los Angeles Liebre Mountains, along the Ridge Route west of Castaic Canyon, 1.3 miles north of the junction with Templin Highway, just north of small development on private land. 854 Comment
  RSA235191  Centaurium venustum David Wheat 1971-7-15 711 Los Angeles West side of Palmer Canyon, 4 1/3 miles NNE of Claremont and one mile N of intersection of Padua Avenue and Mt. Baldy Rd. 686 Comment
  RSA607604  Centaurium venustum Louis C. Wheeler 1966-10-27 9102 Los Angeles San Gabriel Mts., Angeles National Forest: in W fork of San Gabriel River at Camp Rincon. Comment
  CAS-BOT-BC288828  Centromadia parryi subsp. australis Matthew Malle 2008-10-8 s.n. Los Angeles South Coast: Los Angeles Basin Region: Torrance, triangular parcel on W side of Crenshaw Blvd, between W 208th St and Dominguez St, S of Dow Chemical facility, ca 1.6 m (air) S of 405 Fwy 21 Comment
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Nov 29 2018
  UC1215147  Cerastium glomeratum Peter H. Raven 1962-4-10 17210 Los Angeles summit of Thirst (San Clemente Isl.); San Clemente Isl. 579 Comment
  CAS-BOT-BC400185  Ceratophyllum demersum A. Eastwood 1906-5-31 90 Los Angeles Bimini Baths Comment
  UCR259459  Ceratophyllum demersum R. G. Swinney 2010-9-7 13702 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  RSA585540  Cercis occidentalis T. S. Ross 1992-4-21 6212 Los Angeles Glendora Ridge Road: on the divide between upper East Fork San Dimas Canyon and Lower Cow Canyon, draining toward the latter. 1229 Comment
  POM177975  Cercocarpus betuloides J. Ewan 1931-3-21 4056 Los Angeles Lower part of Los Flores Canyon. Comment
  POM275797  Cercocarpus betuloides Floyd L. Martin 1948-8-3 361 Los Angeles 100 yds. N. of Foothill Blvd. road to Camp Baldy, east of Claremont. 366 Comment
  CAS-BOT-BC142169  Cercocarpus betuloides var. betuloides Le Roy Abrams; E. A. McGregor 1908-7-5 674 Los Angeles Lone Pine Canyon, desert slopes of the San Gabriel Mountains 1066 Comment
  CHSC26362  Cercocarpus betuloides var. betuloides James Henrickson 1972-3-19 7183 Los Angeles Ca 7 air miles north of Sierra Madre along Hwy 2 in San Gabriel Mts. 1402 Comment
  RSA453270  Cercocarpus betuloides var. betuloides L. E. Hoffman 1931-11-28 s.n. Los Angeles Holcomb Creek, Angeles National Forest. Comment
  RSA599806  Cercocarpus betuloides var. betuloides Steve D. Boyd, Lauren Raz 1997-3-25 9298 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
  UC440463  Cercocarpus betuloides var. betuloides Carl Epling, Lincoln Ellison 1929-4-27 Los Angeles Topango Canyon; Santa Monica Mountains, Topango Canyon Comment
  UCSB2764  Cercocarpus betuloides var. betuloides Decker, Helen 1946-4-14 Los Angeles N.E. slope of Canyon, Arroyo Seco Canyon 1219 Comment
  CAS-BOT-BC137248  Cercocarpus betuloides var. blancheae S. B. Parish 1916-3-31 107512 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC143893  Cercocarpus betuloides var. traskiae Reid Moran 1941-3-5 678 Los Angeles Salta Verde, Santa Catalina Island 250 Comment
  RSA718065  Cercocarpus ledifolius var. ledifolius R. G. Swinney 1997-8-19 5821 Los Angeles Antonio Peak (=Lookout Mtn.), ridge E of Cattle Canyon and W of the west fork of Bear Canyon. 2077 Comment
  SD69647  Cercocarpus traskiae Robert F. Thorne 1967-5-18 36900 Los Angeles Santa Catalina Island; Salta Verde, lateral gully to Wild Boar Gully. 213 Comment
  CAS-BOT-BC279532  Chaenactis artemisiifolia Geo. B. Grant 1902-4-7 15724 Los Angeles Near Laurel Canon [Canyon] Comment
  RSA351642  Chaenactis artemisiifolia Geo L. Moxley 1915-7-19 388 Los Angeles Arroyo Seco Canyon, San Gabriel Mountains. Comment
  UCSC001466  Chaenactis artemisiifolia Peter Kamb 1947-6-30 611 Los Angeles San Gabriel Canyon Rd. below Crystal Lake San Gabriel Canyon Rd., Crystal Lake - San Gabriel Mts. 1372 Comment
  RSA93811  Chaenactis fremontii F. W. Peirson 1930-5-30 8905 Los Angeles 1 miles N of Llano Comment
  UCR241081  Chaenactis glabriuscula Jeremiah George 2012-5-15 s.n. Los Angeles Western Transverse Range/San Gabriel Mtns., Santa Clarita, Bee Canyon just north of Soledad Canyon Road, SE of Hwy 14, west side of wash 537 Comment
  SD40451  Chaenactis glabriuscula Edith A. Purer 1931-4-9 Los Angeles El Segundo Comment
  RSA0080972  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-4-28 12400 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA598910  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 1989-4-26 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. 0.4 mi. E of Glendora Mtn. Rd. 365 Comment
  UC31017  Chaenactis glabriuscula var. glabriuscula J. Burtt Davy May 9 1890-May 24 1890 2661 Los Angeles between Manzana and <illegible> Manzana Comment
  HSC101311  Chaenactis xantiana R. G. Swinney 2009-4-28 10512 Los Angeles Transverse Range, San Gabriel Mountains: Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  JEPS32855  Chaenactis xantiana E. R. Blakley 1958-5-9 2260 Los Angeles hills 2 mi e of Gorman 1097 Comment
  JEPS59919  Chaenactis xantiana Lewis S. Rose 1968-4-5 68018 Los Angeles 10 mi e of Gorman; Mojave Desert 853 Comment
  OBI28967  Chaenactis xantiana David J. Keil 1976-12-12 11889 Los Angeles 5 mi W of San Bernardino Co line along Calif rte 138 1128 Comment
  RSA599486  Chaenactis xantiana Steve Boyd, Lauren Raz 1997-3-26 9350 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
  UCR141021  Chaenactis xantiana June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, near the Three Sisters hills, Antelope Valley, NE of Llano 976 Comment
  UCR149925  Chaenactis xantiana R. G. Swinney 1999-6-18 7307 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 Comment
  RSA587164  Chaenactis xantiana Orlando Mistretta 1995-4-28 1652 B Los Angeles Kitter Canyon; Slopes W of main canyon 1280 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
  SFV2082  Chamaesyce albomarginata P. G. Kilburn 1958-3-11 655 Los Angeles San Gabriel Mountains Wayside Honor Ranch, south of Castaic. On road to cow pasture above headquarters. Comment
  RSA591673  Chamaesyce maculata L. C. Wheeler 1966-9-21 8882 Los Angeles San Gabriel Canyon, El Encanto 259 Comment
  POM2806  Chamaesyce melanadenia Jack Kellogg s.n. Los Angeles Claremont. 305 Comment
  RSA432394  Chamaesyce melanadenia Freda Detmers 1931-11-11 s.n. Los Angeles Griffith Park. Comment
  LA105574  Chamaesyce polycarpa var. polycarpa Barry A. Prigge; 1989-5-10 8718 Los Angeles SANTA MONICA MOUNTAINS, Point Dume, above Dume Cove. 30 Comment
  RSA432498A  Chamaesyce polycarpa var. polycarpa Robert Gustafson 1981-7-15 2336 Los Angeles Ballona Wetlands, Area 2 Comment
  RSA550684  Chamaesyce serpens T. S. Ross, Annette Ross 1991-7-29 5713 Los Angeles Elephant Hill: N-most point of the Puente Hills, W Pomona. 229 Comment
  RSA737844  Chamaesyce serpens LeRoy Gross 2008-9-1 3574 -a Los Angeles Yard in La Verne, off Brassie Street, east of Esperanza Drive. Northeast of Live Oak Reservoir. 396 Comment
  RSA188150  Chamaesyce serpillifolia Percy C. Everett 1965-6-23 34964 Los Angeles Santa Catalina Island, No. 2 Reservior, upper part of Middle Ranch canyon. 305 Comment
  RSA638205  Chamaesyce serpillifolia subsp. serpillifolia L. C. Wheeler 1945-6-3 6063 Los Angeles San Gabriel Canyon: West Fork San Gabriel Canyon ca 1 mile west of the forks. . Comment
  UC2030090  Chamaesyce serpyllifolia Scott D. White 2000-6-24 8095 Los Angeles PUENTE HILLS: City of Rowland Heights, Rancho Rincon de la Brea near Bill Blevins park. Comment
  SEINET804421  Cheilanthes covillei L. L. Kiefer 1967-1 2821 Los Angeles San Gabriel Mountains., No of Sunland, Zion Mountain, Yerba Buena Trail, ca 0.5 mile down from Zion Mountain. Saddle. 1432 Comment
  RSA0115448  Chenopodium R. G. Swinney 2010-10-5 13974 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, west of Oak of the Golden Dreams, at west boundary of park. 451 Comment
  UC132269  Chenopodium ambrosioides J. and H. W. Grinnell 1906-8-26 368 Los Angeles near Pasadena Comment
  CDA2978  Chenopodium ambrosioides M. J. Helgeson 1961-8-3 Los Angeles 3759 Vinton Avenue, Los Angeles. 0 Comment
  RSA608871  Chenopodium atrovirens L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon, Blum Ranch. 884 Comment
  LA50810  Chenopodium berlandieri Peter H. Raven; Henry J. Thompson 1959-6-4 Los Angeles Santa Monica Mountains, Point Dume, Point dume 45 Comment
  RSA598573  Chenopodium berlandieri L. C. Wheeler 1966-11-23 9146 Los Angeles San Gabriel Mountains. West Fork San Gabriel Canyon. Comment
  UC452631  Chenopodium californicum C. F. Millspaugh 1920-2-7 4696 Los Angeles Pebble Beach Canyon Santa Catalina Island Comment
  UCR3772  Chenopodium californicum O. F. Clarke, B. T. Gittins, D. Kucera & So. Cal. Botanists Fld. Trip 1968-2-25 s.n. Los Angeles Channel Islands, Santa Catalina Island, within 0.5 mile of the U.S.C. Marine Sciences Station at the isthmus on the N end of the island 213 Comment
  RSA250482  Chenopodium pratericola R. F. Thorne, John Dourley 1967-10-10 37342 Los Angeles Angeles National Forest: Blue Ridge. 2256 Comment
  RSA752465  Chlorogalum pomeridianum Justin M. Wood 2009-6-8 853 Los Angeles City of San Dimas, Sycamore Canyon, Falcon Ridge Ranch. 412 Comment
  POM1651  Chlorogalum pomeridianum D. L. Crawford 1915-07 s.n. Los Angeles Claremont. Comment
  UCR212908  Chorispora tenella A. C. Sanders 2010-3-30 37708 Los Angeles Mojave Desert, Antelope Valley, east of Lancaster and south of Redman, 90th St. East 0.35 mi. north of Ave. H 727 Comment
  UCR280541  Chorizanthe brevicornu R. G. Swinney 2014-4-10 16029 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-BC252761  Chorizanthe parryi var. fernandina A. C. Sanders; Mark Elvin 2003-8-7 271554 Los Angeles Newhall Ranch, Long (Larres) Canyon a tributary of the Santa Clara River NE of Potrero Canyon, Val Verde 7.5' Q., NE end of Santa Susana Mtns. 350 Comment
  IRVC27301  Chorizanthe parryi var. fernandina A. C. Sanders, Mark Elvin 2003-8-7 27154 Los Angeles Newhall Ranch, Long [Larres] Canyon, a tributary of the Santa Clara River NE of Potrero Canyon NE end of Santa Susana Mtns. 351 Comment
  CAS-BOT-BC244733  Chorizanthe staticoides A. G. Vestal 1938-7-3 s.n. Los Angeles Barley Flats, San Gabriel Mts., north of Mt. Wilson 1615 Comment
  CAS-BOT-BC245249  Chorizanthe staticoides A. C. Sanders 2003-6-18 26934 Los Angeles N end of Santa Susana Mtns.: ridge ca 900 m SW of 'Airport Mesa,' 1 mile SW of Castaic Junction, vicinity of BM-1302 ft., Newhall Ranch. Plants of Los Angeles Co. 396 Comment
  POM21161  Chorizanthe staticoides Fordyce Grinnell Jr. 1917-7-8 s.n. Los Angeles San Gabriel Mountains, Barley flats. 1707 Comment
  RSA0060466  Chorizanthe staticoides R. G. Swinney 2010-3-10 11834 Los Angeles Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 442 Comment
  RSA0091141  Chorizanthe staticoides R. G. Swinney 2011-5-24 14806 Los Angeles 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 1049 Comment
  RSA392713  Chorizanthe staticoides Robert L. Dressler 1949-6-18 884 Los Angeles Johnstone Peak, San Gabriel Mts. 854 Comment
  RSA599828  Chorizanthe staticoides Steve Boyd, Lauren Raz 1997-5-6 9752 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  RSA601560  Chorizanthe staticoides Louis C. Wheeler 1967-6-15 9820 Los Angeles San Gabriel Mountains: Fremont Pass. Land Grant 564 Comment
  RSA783629  Chorizanthe staticoides J. D. Olmsted 1958-5-15 148 Los Angeles Southward drainage along San Antonio Creek in Blanchard Park o Pomona College Campus, near eastern boundary of Los Angeles County 366 Comment
  RSA757667  Chorizanthe staticoides Orlando Mistretta, Christine Mistretta 2008-4-14 2440 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 18 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 946 Comment
  SD253528  Chorizanthe watsonii R. G. Swinney 2011-6-7 15042 Los Angeles San Gabriel Mountains: Chilao Flat, 0.5-0.6 mile NNW of Angeles Crest Highway along south entrance road to Chilao Flat Campground, both side of road. 1584 Comment
  RSA557858  Chorizanthe watsonii D. Charlton 1991-5-4 5084 Los Angeles P St. and 10 St. W, Palmdale. 823 Comment
  OBI70662  Chorizanthe xanti Steve Boyd, Lauren Raz 1997-5-29 9902 Los Angeles Liebre Mts Region. Portal Ridge, N of the San Andreas Rift zone, in the Cow Spring drainage along the Pacific Crest Trl 1158 Comment
  CLARK-A1528-5627  Chrysanthemum coronarium Alfred R. Roos 1955-5-7 Los Angeles El Segundo Comment
  UCR179680  Chrysothamnus nauseosus R. G. Swinney, Dave Larson 1996-8-7 5240 Los Angeles Eastern San Gabriel Mountains., San Dimas Experimental Forest, head of Dry Lake Canyon at 'Dry Lake,' site of CCC camp in 1930s = Browns Flat 1524 Comment
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Jul 6 2021
  POM290506  Chrysothamnus nauseosus subsp. hololeucus Lyman Benson 1949-11-7 14280 Los Angeles 10 miles northwest of Big Pine. San Gabriel Mountains. Mojave Desert Drainage Area. 1753 Comment
  UC1186520  Chylismia claviformis subsp. claviformis E. G. Linsley and J. W. MacSwain 1960-5-6 60 -55 Los Angeles 20 mi w Lancaster Comment
  CAS-BOT-BC280031  Cirsium mohavense Le Roy Abrams; E. A. McGregor No date on label 507 Los Angeles Lancaster 853 Comment
  CAS-BOT-BC285402  Cirsium occidentale var. californicum I. M. Johnston 1917-8-22 1707 Los Angeles San Antonio Mountains. Prairie Fk. of San Gabriel R. 1828 Comment
  RSA587191  Cirsium vulgare Scott D. White 1995-12-5 3769 Los Angeles Marina Del Rey area; State Rt. 90 median strip between Culver Bl. and Mindanao Way. 5 Comment
  RSA439219  Cirsium vulgare Robert Gustafson 1980-7-9 1801 Los Angeles Ballona Wetlands, Area 3. Comment
  RSA791868  Cissus hypoglauca Robert F. Thorne 1977-7-6 49641 Los Angeles Claremont. Comment
  POM175347  Cistanthe monandra E. Crow 1930-6-29 s.n. Los Angeles One mile below Crystal Lake Comment
  LA45534  Clarkia bottae C. L. Hogue; 1954-5-20 sn Los Angeles Santa Monica Mountains, Off Mulholland Dr 457 Comment
  RSA0013164  Clarkia bottae Orlando Mistretta, Christine Mistretta 2011-6-13 5682 Los Angeles 0.32 miles S of Aliso Canyon Rd. and Southern California Edison transmission line Corridor, 3.05 miles NW of intersection of Aliso Cyn Rd. and Angeles Forest Hwy. 1068 Comment
  RSA453462  Clarkia bottae F. E. Durkee 1906-05 s.n. Los Angeles Los Angeles, Hollywood Canyon. Comment
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Nov 17 2015
  UCR23522  Clarkia cylindrica John C. Roos 1942-6-6 988 Los Angeles Western Transverse Range, Placerita Canyon near Newhall 610 Comment
  CAS-BOT-BC172106  Clarkia dudleyana Scott D. White 1998-6-10 6713 Los Angeles About 1 1/2 air miles north of San Antonio Dam. Shinn Rd. (=Mountain Ave.) bridge over San Antonio Ck., immediately west of USFS San Antonion Fire Station. 762 Comment
  CAS-BOT-BC172110  Clarkia dudleyana John Thomas Howell 1928-6-10 3880 Los Angeles Near Deer Park, Monrovia Canyon, San Gabriel Mts. Comment
  HSC34836  Clarkia dudleyana R. E. Cooksey May 1972 39 Los Angeles San Gabriel Mtns., San Dimas Canyon, 6.2-7 mi. from Hwy. 66 and San Dimas Rd. 573 Comment
  RSA631079  Clarkia epilobioides Louis C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island. 0.3 mile south southeast Isthmus Bench Mark. 122 Comment
  SBBG132121  Clarkia epilobioides S. A. Junak 1996-4-13 SCI 314 Los Angeles S of Bryce Cyn, on toe of ridge on S side of first cyn, 0.35 mi from "Malo" at 155 degrees 243 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
  POM153232  Clarkia purpurea subsp. quadrivulnera C. L. Hitchcock 1928-5-19 54 Los Angeles Palmer s Canyon. 900 Comment
  UC1871032  Clarkia purpurea subsp. quadrivulnera T. S. Ross, W. Appleby 1993-5-19 7168 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mtns: ca.80m S of Wilson Canyon Saddle along old loop road; San Fernando 7.5' USGS quad; R15W T3N, NW/4 SE/4 NE/4 SE/4 sect 9; ca 3120 ft elevation. 951 Comment
  POM155766  Clarkia unguiculata M. L. Bryan 1928-5-9 84 Los Angeles Mandeville canyon. Near Santa Monica. Comment
  UCR206275  Clarkia xantiana R. G. Swinney 2008-6-9 9014 Los Angeles San Gabriel Mtns., west fork of Punchbowl Canyon, 1 mi. S of Devils Punchbowl Co. Park headquarters, S of park boundary 1601 Comment
  RSA0115267  Claytonia parviflora Richard G. Swinney 2010-6-8 13227 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 100-300m south of Placerita Cyn. in Los Pinetos Cyn. 573 Comment
  UCR185583  Claytonia parviflora A. C. Sanders 2007-4-25 33556 Los Angeles Tehachapi Mtns., Oso Canyon, 0.5 mi. SE of Kern Co. line, on Oso Canyon Rd. 1159 Comment
  RSA590061  Claytonia parviflora subsp. utahensis Orlando Mistretta 1994-1 993 Los Angeles San Gabriel Mountains: Little Rock Creek. Slopes E of Creek below Little Rock Dam. 976 Comment
  SFV11223  Claytonia perfoliata D. K. Shayne 1966-3-23 150 Los Angeles Santa Monica Mountains 2 miles west of the San Diego Freeway (405) on Mulholland Drive. Comment
  UCR194759  Claytonia perfoliata Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 724 Los Angeles Transverse Ranges; Verdugo Mountains, Verdugo Mountains, north side; northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999 518 Comment
  HSC31667  Claytonia perfoliata subsp. mexicana Thomas E. Higley 1974-4-20 31 Los Angeles 20 mi. NE of Azusa along the E Fork of the San Gabriel River Trail 457 Comment
  RSA562569  Claytonia perfoliata subsp. mexicana Steve Boyd, W. Appleby 1993-4-22 7981 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon 854 Comment
  RSA592146  Claytonia perfoliata subsp. mexicana L. C. Wheeler 1967-4-30 9197 Los Angeles Liebre Mountains. Northwest end of foothills (of San Gabriel Mountains) between Bouquet Junction and Bonelli Ranch. 366 Comment
  POM795  Claytonia perfoliata subsp. mexicana E. T. Terry s.n. Los Angeles San Dimas Canyon. 610 Comment
  SD113804  Clematis lasiantha Darley F. Howe 1947-3-22 1513 Los Angeles Topango Canyon, about 4 miles from ocean Comment
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May 22 2014
  UCR146514  Clematis lasiantha Scott D. White, Michael Honer 2004-6-30 10543 Los Angeles San Gabriel Mountains, Mt. Baldy (town); along Glendora Ridge Rd. c. 0.25 mi SW of jct. with Mt. Baldy Rd. 1372 Comment
  RSA578224  Clematis ligusticifolia Tim S. Ross, S. D. Boyd 1994-9-20 8263 Los Angeles Lower Spunky Canyon: this stretch draining SSE, exiting into Bouquet Reservoir 913 Comment
  CAS-BOT-BC92811  Clematis pauciflora Louis C. Wheeler 1932-5-4 680 Los Angeles San Gabriel Wash. 106 Comment
  POM49817  Cleome serrulata P. A. Munz 1924-4-20 8152 Los Angeles 1 mile N of Claremont 426 Comment
  CAS-BOT-BC423122  Cleomella obtusifolia Ralph Hoffmann 1927-9-23 s.n. Los Angeles Lancaster Comment
  RSA169046  Cnicus benedictus S. Carlquist 1956-8-2 135 Los Angeles Near roadside, Brea Canyon road at Diamond Bar Ranch Comment
  UCR186361  Collinsia bartsiifolia Michael Honer 2007-4-25 2527 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon; grassy slopes c. 1 mile SW of cement processing plant 1159 Comment
  RSA524624  Collinsia callosa Tim S. Ross, Steve D. Boyd 1990-5-17 2593 Los Angeles San Gabriel Mountains, Angeles National Forest: Mill Creek Tree Plantation, Tujunga District. 1613 Comment
  RSA579493  Collinsia childii Tim S. Ross, Steve D. Boyd 1994-5-11 7816 Los Angeles Sawmill Mountain: W summit area ca 260-350 meters SE of Sawmill Campground 1598 Comment
  RSA182321  Collinsia heterophylla John Olmsted 1962-4-30 3407 Los Angeles 1960 Johnstone Park burn, from west fork of San Dimas Creek to Wolfskill Falls 457 Comment
  RSA729966  Collinsia heterophylla R. G. Swinney, D. W. Larson 1999-5-15 7144 Los Angeles San Gabriel Mtns.: Wolfskill Canyon, above LaVerne and San Dimas Experimental Forest. 549 Comment
  JEPS4826  Collinsia heterophylla Rimo Bacigalupi with G. T. Robbins and L. R. Heckard 1953-6-15 4198 Los Angeles 3.2 mi e of start Forest Service Rd leading to Mt. Gleason (below summit of Mendenhall Ridge; between Little Tujunga Canyon and Pacoima Canyon); Angeles National Forest 1127 Comment
  PASA1016  Collinsia parryi Frank W. Peirson 1919-4-19 Los Angeles Pacoima Canyon, San Gabriel Mts. 548 Comment
  POM128776  Collinsia parryi Thomas Craig 1927-5-4 296 Los Angeles Cobal Canyon, above Claremont. Comment
  POM7692  Collinsia parryi Philip A. Munz, R. D. Harwood 1920-4-21 3684 Los Angeles San Dimas Canyon; South face of San Gabriel Mts 457 Comment
  UC885551  Collinsia parryi Marcus E. Jones, A. M. 1882-5-2 3205 Los Angeles Pasadena Comment
  UCR191513  Collinsia torreyi var. wrightii R. G. Swinney 1998-7-8 6312 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  UC1871299  Collomia grandiflora T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3899 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. Elevations between 4880-5680 feet. Comment
  UCR179488  Colutea arborescens R. G. Swinney 1989-7-8 s.n. Los Angeles San Gabriel Mountains, Glendora Wilderness Park, in Big Dalton Canyon. 1.6 mi. NE of Glendora Mountain Road on Big Dalton Canyon Road 473 Comment
  CATA430  Comarostaphylis diversifolia subsp. planifolia Sara L. Crockett 1997-3-13 568 Los Angeles Santa Catalina Island: 1.25 miles NE on Cape Canyon Road from jct. with Middle Ranch Road, top of minor canyon SE of Peak 1395 373 Comment
  UCSB18167  Comarostaphylis diversifolia subsp. planifolia Black, Richard 1964-3-29 Los Angeles 0.2 miles past gate on road from Chantry Flats to bottom of Big Santa Anita Canyon 457 Comment
  UC1302309  Constancea nevinii Robert F. Thorne and P. C. Everett 1964-2-7 33444 Los Angeles above road to St. Catherine's Hotel; Santa Catalina Island, Avalon 7 Comment
  POM4753  Conyza bonariensis I. M. Johnston 1917-4-11 11 Los Angeles N* Slough'. [locality name change to'Laguna Dominguez'] Comment
  UC1746156  Cordylanthus nevinii Annetta M. Carter, Arthur Carter 1935-9-12 979 Los Angeles Chilao (Chellea). San Gabriel Mtns. 1645 Comment
  UCR277091  Cordylanthus rigidus R. G. Swinney 2010-10-5 13990 Los Angeles San Gabriel Mountains, east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons 549 Comment
  RSA599326  Coreopsis bigelovii Steve Boyd, Lauren Raz 1997-3-26 9354 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
  SEINET3146395  Coreopsis bigelovii E. K. Balls, Lenz, LW 1950-3-28 14463 Los Angeles 1 mi. E of jct. of Hwys. 99 & 138, just S of Gorman 1158 Comment
  SEINET10808309  Coreopsis calliopsidea Noel H. Holmgren, Patricia K. Holmgren 1974-4-4 Holmgren 7625 Los Angeles Mojave Desert, Antelope Valley, just southeast of Piute Butte, 17.5 airline miles east-southeast of downtown Lancaster. 762 Comment
  SEINET7836952 Image available Coreopsis douglasii G. B. Grant 681 Los Angeles Altadena Comment
  LA99534  Coreopsis gigantea E. B. Smith; 1979-1 sn Los Angeles Comment
  LA205797  Corethrogyne filaginifolia Louis Wheeler; 1933-9-26 2133 Los Angeles San Gabriel Mountains, San Gabriel Canyon 335 Comment
  PASA1815  Corethrogyne filaginifolia Frank W. Peirson 1919-10-26 Los Angeles Foot of Rubio Canyon, Altadena 548 Comment
  POM356201  Corethrogyne filaginifolia L. E. Hoffman 1931-11-16 s.n. Los Angeles Malibu Creek Comment
  UC63364  Corethrogyne filaginifolia Jos. Burtt Davy 1901-6-1 7772 Los Angeles Redondo Comment
  UCR162576  Coronopus didymus Anuja Parikh, Nathan Gale 2004-6-1 2017 Los Angeles Western Transverse Range, Santa Clara River Valley, Newhall Ranch, along Santa Clara River (SCR sect. 2) in vicinity of confluence of Chiquito Canyon 274 Comment
  CAS-BOT-BC287255  Cotula australis Geo. B. Grant 1905-4-3 6460 Los Angeles Pasadena Comment
  RSA678241  Cotula australis Valerie L. Soza, Steve Boyd 2002-4-10 1406 Los Angeles Haskell Canyon, Del Sur Ridge. Stables Fire 2001 area. 518 Comment
  SFV3859  Cotula coronopifolia M. L. Vincent 1960-5-12 58 Los Angeles Malibu Lagoon on Highway 101. Near Malibu Beach Colony. 3 Comment
  RSA0002495  Cotyledon nudicaulis L. R. Abrams 1902-7-4 2652 Los Angeles San Gabriel Canyon Comment
  CAS-BOT-BC427729  Crassula connata Robert F. Thorne 1973-4-11 42800 Los Angeles San Clemente Island: plateau in Middle Ranch area at head of Middle Ranch Canyon 426 Comment
  CATA1609  Crassula connata Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Janet Takara 1998-5-1 2878 Los Angeles Santa Catalina Island: West side of Swain's Canyon, ridge to Whitley's Peak 432 Comment
  CHSC95510  Crassula connata LeRoy Gross; Valerie Soza 2003-5-15 906 Los Angeles Transverse Ranges; Verdugo Mountains region: Northwest side of mountains: North of La Tuna Canyon road, started at end of Elben Ave. Climbed north to ridgetop, south of McDonald Creek, then east along ridgeline, then we came back down into a small canyon at the end of Elben Place, just east of where we started. UTM Zone: 3789794N, 0376930E. 518 Comment
  RSA772893  Crassula connata LeRoy Gross 2011-3-28 5436 Los Angeles Claremont McKenna College, along N. Mills Ave., north of E 6th. street. Claremont. Near the Athletic department. 375 Comment
  RSA608607  Crassula connata var. connata L. C. Wheeler 1974-4-4 s.n. Los Angeles West end of Los Angeles International Airport. 60 Comment
  SD212576  Crassula tillaea A. C. Sanders 2003-3-14 25775 Los Angeles San Gabriel Valley; long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irindale Ave. and south of Foothill Blvd, north edge of 210 Freeway east of the San Gabriel River channel. 159 Comment
  RSA0046817  Crepis setosa Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1996-7-11 2751 Los Angeles Santa Catalina Island: By Avalon School science building, Falls Canyon. 27 Comment
  CATA2932  Crocanthemum greenei Amy Catalano 2015-6-26 008 Los Angeles Santa Catalina Island: Gallagher Canyon; steep ridge 440 meters northeast of Laura Stein Volunteer Camp; above ironwood grove 239 Comment
  CAS-BOT-BC175838  Crossosoma californicum Tim Ross 1993-4-22 6881 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); 1000 m ESE of Cactus Peak summit 446 Comment
  NY268585  Crossosoma californicum F. R. Fosberg 1931-1 S 4522 Los Angeles Avalon Valley, Santa Catalina Island. Comment
  RSA156061  Crossosoma californicum P. H. Raven 1962-5-20 17785 Los Angeles Santa Catalina Island. Grove above White's Landing on Airport Road 427 Comment
  RSA177740  Crossosoma californicum R. F. Thorne, Percy C. Everett 1965-5-10 34471 Los Angeles Santa Catalina Island. Upper end of White's Landing Road, N slope of Blackjack Mt. 411 Comment
  UC1281095  Crossosoma californicum H. E. McMinn 1924-7-1 1309 Los Angeles Catalina Is. Comment
  UC187675  Crossosoma californicum Katharine Brandegee May 17 1916-May 25 1926 Los Angeles Santa Catalina Island Comment
  RSA608707  Croton californicus L. C. Wheeler 1931-4-11 s.n. Los Angeles Dr. Huntington's, [Vicinity of Claremont]. Comment
  UC56924  Croton californicus J. Burtt Davy June, 1901 7771 Los Angeles Redondo Comment
  UCR145181  Croton setiger June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains foothills/Mojave Desert, Bob's Gap and Valyermo Road 1250 Comment
  RSA0106813  Crypsis vaginiflora Steven A. Junak 1999-7-16 SCa- 1047 Los Angeles Santa Catalina Island. Little Springs Reservoir 128 Comment
  UCR205229  Cryptantha circumscissa R. G. Swinney 2008-5-2 8720 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  UCR280531  Cryptantha circumscissa R. G. Swinney 2014-4-10 16023 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
  RSA650999  Cryptantha intermedia Marion P. Harthill 1972-5-22 s.n. Los Angeles Hist. Monument Hwy. 138. 1188 Comment
  SBBG63815  Cryptantha intermedia R. Hoffmann 1930-6-6 Los Angeles Piru Crk Comment
  SFV16010  Cryptantha intermedia P. W. Byrne, H. Levin 1994-4-10 10 Los Angeles San Gabriel Mountains Live Oak Campground, along Bear Canyon. 600 Comment
  UCR177140  Cryptantha intermedia L. C. Wheeler 1967-4-30 9211 Los Angeles San Gabriel Mtns, Liebre Mtns, NW end of foothills (of San Gabriel Mtns), between Bouquet Junction and Bonelli Ranch 396 Comment
  CHSC98597  Cryptantha micrantha LeRoy Gross 2005-5-3 2208 Los Angeles Transverse Ranges; San Gabriel Mountains region: 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. T04N, 05N R09W, 10W S06, 01, 31, NW1/4 of 6, NE1/4 of 1, SW1/4 of 31. Alt: 1085-1215m. 1150 Comment
  UC1601674  Cryptantha micrantha Alice Eastwood 1913-5-11 3173 Los Angeles San Fernando Wash Comment
  UCR62352  Cryptantha micrantha Jeri Hirshberg, Theo Glenn 1990-5-12 s.n. Los Angeles San Gabriel Mountains, Angeles National Forest; north of Oak Spring Canyon amd west of Pole Canyon, south of military reservation at mouth of Pole Canyon, where it joins Soledad Canyon 917 Comment
  PASA1988  Cryptantha micrantha var. lepida Frank W. Peirson 1920-6-10 Los Angeles Summit Mt. Wilson 1737 Comment
  LA94310  Cryptantha micromeres Carl Epling; 1925-5-15 sn Los Angeles Santa Monica Mountains, Griffith Park Comment
  RSA0091745  Cryptantha microstachys R. G. Swinney 2011-5-26 14862 Los Angeles 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1061 Comment
  RSA708019  Cryptantha microstachys Scott D. White, Jennifer H. Jones 2005-6-23 11145 Los Angeles Acton area. South of Powerline access road (ANF 4N32), between Arrastre Canyon and Moody Canyon. 976 Comment
  UCSB5578  Cryptantha microstachys Beach, Kay 1944-6-20 Los Angeles Tanbark SRE Comment
  UC1212093  Cryptantha muricata Peter H. Raven and David Verity 1960-5-7 15320 Los Angeles Arroyo Sequit, about 2 mi from ocean Santa Monica Mountains 91 Comment
  UC857203  Cryptantha muricata I. W. Clokey and B. C. Templeton 1936-5-18 5667 Los Angeles 1 mi above San Gabriel Canyon dam; San Gabriel Canyon Comment
  UCR255835  Cryptantha muricata R. G. Swinney 2010-4-20 12308 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  UCSB5593  Cryptantha muricata B., K. 1943-6-14 Los Angeles Climatic station, 5100 foot contour, Fern Canyon, near head of East fork of San Dimas Canyon, San Dimas Experimental Forest, San Gabriel Mtns. Comment
  RSA0079453  Cryptantha muricata D. L. Crawford, H. D. Hiatt 1911-3-28 326 Los Angeles Topango Canyon. Comment
  RSA646966  Cryptantha muricata Orlando Mistretta 1992-9-4 794 Los Angeles San Gabriel Mountains: Yerba Buena Trail; Tujunga Ranger District. 1433 Comment
  UCSB5594  Cryptantha muricata B., K. 1944-6-14 Los Angeles Near Tanbark Flat, San Dimas Experimental Forest, San Gabriel Mtns. 822 Comment
  UC1595476  Cryptantha muricata var. denticulata Tim Ross 1992-4-4 6068 Los Angeles 1 mi se Black Butte (middle butte of the three, sw Mohave Desert); Mojave Desert, Three Sisters, El Mirage U.S.G.S. 7.5' topo 969 Comment
  RSA0117598  Cryptantha muricata var. muricata A. C. Sanders 2008-4-23 35094 Los Angeles Transverse Range; western San Gabriel Mtns.: upper Cow Spring Canyon. 1140 Comment
  RSA0079353  Cryptantha muricata var. muricata L. R. Abrams 1902-6-17 2555 Los Angeles Sepulveda Canyon, Santa Monica Mountains. Comment
  RSA0079619  Cryptantha muricata var. muricata C. Epling, Lincoln Ellison 1929-4-27 s.n. Los Angeles Santa Monica Mountains. Topango [Topanga] Canyon. Comment
  UC61112  Cryptantha nevadensis J. Burtt Davy May 9 1896-May 24 1896 2291 Los Angeles Palmdale to Little Rock; Antelope Valley Comment
  UCR270057  Cryptantha nevadensis var. rigida R. G. Swinney 2010-6-1 13088 Los Angeles San Gabriel Mountains, lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy 1098 Comment
  RSA725890  Cryptantha oxygona R. G. Swinney 1996-5-27 4739 Los Angeles Eastern San Gabriel Mtns.: east of Table Mtn. and NW of Wright Ridge. 2252 Comment
  RSA0079048  Cryptantha pterocarya var. pterocarya Ralph Hoffman 1930-4-19 s.n. Los Angeles Lancaster. 712 Comment
  POM11585  Cryptantha similis P. A. Munz 1921-6-17 4618 Los Angeles Sawmill, Swartout Valley. 2043 Comment
  RSA0011525  Cryptantha simulans Orlando Mistretta, Christine Mistretta 2011-6-23 5726 Los Angeles Aliso Cyn drainage. Near head of Gleason cyn, W of jct. of Forest Rd. 4N24 and Pacific Crest Trail. 1679 Comment
  LA34172  Cucurbita foetidissima Peter H. Raven; Henry J. Thompson 1959-10-14 14618 Los Angeles Santa Monica Mountains, Malibu Junction 266 Comment
  RSA394301  Cucurbita foetidissima G. J. Hollenberg 1928-7-16 s.n. Los Angeles Near Del Rey Palisades. Comment
  UCSB4988  Cuscuta californica Wedberg, H. 1958-7-19 Los Angeles Point Dume Comment
  POM126991  Cuscuta californica Fordyce Grinnell Jr. 1903-7-30 s.n. Los Angeles Arroyo Seco, Pasadena. Comment
  RSA598273  Cuscuta campestris R. G. Swinney 1989-6-25 s.n. Los Angeles Big Dalton Canyon, in and near Glendora Wilderness Park , Big Dalton Canyon. Big Dalton Debris basin 365 Comment
  RSA5262  Cuscuta salina C. B. Wolf 1932-9-16 4089 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
  RSA409719  Cuscuta subinclusa B. C. Templeton 1929-12-10 1444 Los Angeles Mandeville canyon, Santa Monica Mountains. 250 Comment
  SD111591  Cycladenia humilis var. venusta Wayne P. Armstrong 1982-6-27 Los Angeles On steep ridge just below summit of Mt Baden Powell 2745 Comment
  LA211276  Cyclospermum leptophyllum Arthur C. Gibson; 2005-9-22 5218 Los Angeles SIMI HILLS, Chatsworth Park South, Chatsworth. Comment
  SEINET10957132  Cydonia oblonga Mary Merello, Heidi H. Schmidt 1999-12-7 Merello 2652 Los Angeles City of Glendale. Ararat Deli & Grocery 1340 E. Colorado. Comment
  JEPS45931  Cyperus eragrostis Louis C. Wheeler 1933-8-20 2088 Los Angeles San Gabriel Canyon, Pine Canyon Dam San Gabriel Mts., San Gabriel Canyon, Pine Canyon Dam 304 Comment
  RSA563898  Cyperus eragrostis Scott D. White 1992-10-9 945 Los Angeles Malibu, base of Santa Monica Mountains, just N of Pacific Coast Highway, extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School. 91 Comment
  CAS-BOT-BC114634  Cyperus eragrostis Louis C. Wheeler 1933-12-24 2344 Los Angeles Sunny delta of artificial lake, San Dimas Canyon Dam, San Gabriel Mts. 411 Comment
  UC303949  Cyperus niger I. Johnston 1916-11-21 20 Los Angeles swamp at the Old Orchard San Antonio Canyon 914 Comment
  RSA610733  Cyperus odoratus L. C. Wheeler 1932-10-14 1434 Los Angeles Rio Hondo. 58 Comment
  UCD141131  Cyperus odoratus Louis C. Wheeler 1932-10-14 1434 Los Angeles Rio Hondo. 57 Comment
  UC1870231  Cytisus striatus LeRoy Gross 2001-11-10 451 Los Angeles Los Angeles Basin region: Verdugo Mountains, north side. Off the 210 freway east bound La Tuna Canyon Road exit opposite this exit is a road that starts out paved. (Hostetter Mountainway) follow this road that parallels the freeway east till a dirt road f 457 Comment
  UC2026507  Datura stramonium Louis C. Wheeler 1946-10-26 6395 Los Angeles 1/4 mile north of Azusa. Comment
  HSC21243  Datura wrightii C. E. Fellows 1965-9-3 122 Los Angeles 3/10 mi. W of Cold Creek Rd. on Mulholland Rd. Comment
  LA51814  Daucus pusillus Francis M. Ball; May 1948 sn Los Angeles Santa Monica Mountains, 1 mi W of tunnel on Sepulveda Blvd 304 Comment
  RSA527602  Daucus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4429 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  UC557736  Daucus pusillus Nell Murbarger March, 1936 37 Los Angeles mesa summit to beach on e. side of island San Clemente Isl. Comment
  CAS-BOT-BC130944  Deinandra clementina L. R. Abrams; I. L. Wiggins 1931-7-3 300 Los Angeles Santa Barbara Island Comment
  SBBG12511  Deinandra clementina P. H. Raven 1962-4-9 17152 Los Angeles near barracks, Wilson Cove 60 Comment
  SBBG13605  Deinandra clementina P. H. Raven 1962-5-22 17836 Los Angeles isthmus Comment
  UC1215122  Deinandra clementina Peter H. Raven 1962-7-11 18013 Los Angeles Wilson Cove San Clemente Island, Wilson Cove 60 Comment
  RSA0115684  Deinandra clementina Steven A. Junak, Mark Hoefs 1998-6-12 SCa- 722 Los Angeles Santa Catalina Island. Just W of N end of Catalina Harbor, just upslope from powerlines 36 Comment
  SBBG61023  Deinandra kelloggii R. Hoffmann 1928-7-9 Los Angeles Hughes Lake Comment
  UCR227572  Deinandra minthornii Naomi Fraga, Duncan S. Bell 2009-10-15 3158 Los Angeles Transverse Ranges; Santa Susana Mountains region, Simi Hills. north slope of Simi Peak 689 Comment
  LA52182  Delphinium cardinale W. O. Griesel; 1936-6-16 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon, Summit Decker Road. Comment
  UCR46184  Delphinium cardinale Kathy Harper 1986-5-17 s.n. Los Angeles San Gabriel Mtns., Little Tujunga to Sand Canyon Rd. near Live Oak Campground, NE of San Fernando. (Between mile markers 6.27 and 6.34) Comment
  CAS-BOT-BC7967  Delphinium parishii subsp. parishii W. R. Dudley; Frank Haines Lamb 1896-6-8 4371 Los Angeles Antelope Valley, near Neenach Comment
  RSA752467  Delphinium parryi Justin M. Wood 2009-6-8 851 Los Angeles City of San Dimas, Sycamore Canyon, Falcon Ridge Ranch. 412 Comment
  PASA2534  Delphinium parryi Loletta Hiebert Los Angeles Flintridge Comment
  SBBG71777  Delphinium parryi subsp. parryi M. N. Ackley 1927-5-29 895 Los Angeles Mulholland Drive 457 Comment
  RSA729345  Delphinium patens subsp. hepaticoideum R. G. Swinney 1999-4-9 7079 Los Angeles Dime Canyon, c. 200m south of Cattle Canyon at the falls 671 Comment
  UCD96565  Delphinium patens subsp. hepaticoideum Geoffrey Levin 1974-4-27 62 Los Angeles Evey Canyon, a side canyon of San Antonio Canyon. 731 Comment
  RSA0102446  Delphinium patens subsp. montanum R. G. Swinney 2009-5-28 10942 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  UCR269123  Delphinium patens subsp. montanum Orlando Mistretta, Christine Mistretta 2011-6-23 5725 Los Angeles San Gabriel Mountains, Aliso Canyon drainage, near head of Gleason canyon, west of the junction of Forest Service Road 4N24 1679 Comment
  CAS-BOT-BC82911  Dendromecon rigida F. A. Thackery 1928-5-13 355 Los Angeles Mulholland Drive. Comment
  RSA433226  Dendromecon rigida F. R. Fosberg 1930-2-12 S 4207 Los Angeles Mint Canyon, San Gabriel Mts. 750 Comment
  RSA433208  Dendromecon rigida Alva Watry 1951-5-10 s.n. Los Angeles Rattlesnake Canyon: Angeles National Forest. Comment
  CAS-BOT-BC192751  Deschampsia danthonioides Dr. H. E. Hasse 1888-5-1 s.n. Los Angeles Near San Gabriel Comment
  RSA229066  Deschampsia danthonioides R. F. Thorne, C. W. Tiforth 1971-6-30 40779 Los Angeles San Gabriel Mountains, Angeles National Forest: Pinyon Flats 1.6 miles below Alder Saddle along dry branch of S fork of Little Rock Creek 1585 Comment
  UCR187181  Deschampsia danthonioides A. C. Sanders 2006-4-21 32151 Los Angeles Tehachapi Mtns. Foothills, ephemeral stream c. 1 mile east of Quail Lake, northeast of the intersection of the National Cement Plant Rd. and Hwy 138 1006 Comment
  RSA0106749  Descurainia pinnata R. G. Swinney 2011-5-19 14762 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. 912 Comment
  RSA758729  Descurainia pinnata Geo L. Moxley 1917-2-4 525 Los Angeles Van Nuys. Comment
  SFV6467  Descurainia pinnata T. Gordon, W. C. Willig, K. A. Wilson 1974-4-26 166 Los Angeles Mojave Desert Littlerock. Longview Road (Co. N6) at intersection of Pallet Creek Road. 1170 Comment
  UC857339  Descurainia pinnata I. W. Clokey and B. C. Templeton 1930-4-8 4658 Los Angeles w of Lancaster 400 Comment
  UCR205827  Descurainia pinnata R. G. Swinney 2008-5-8 8794 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  UCR270814  Descurainia pinnata subsp. glabra R. G. Swinney 2011-5-24 14832 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
  RSA0056486  Descurainia pinnata subsp. glabra Orlando Mistretta, Oscar Dorado 1989-5-10 s.n. Los Angeles Transverse Ranges; Liebre Mountains region: Bouquet Canyon. Comment
  UCR223015  Descurainia sophia R. G. Swinney 2009-5-5 10632 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  LA201038  Descurainia sophia Peter H. Raven; Henry J. Thompson 1960-4-12 15027 Los Angeles Santa Monica Mountains, Triunfo Canyon, Triunfo Canyon Road 2.4 mi. E of Cornell Road 243 Comment
  RSA0080428  Dicentra chrysantha R. G. Swinney 2011-6-29 15369 Los Angeles Mill Creek, from 50 to 300 meters downstream (south) from Monte Cristo Campground. 1082 Comment
  RSA604497  Dicentra chrysantha Louis C. Wheeler 1933-6-17 1861 Los Angeles Claremont. 366 Comment
  RSA0070367  Dichelostemma capitatum R. G. Swinney 2010-4-1 12142 Los Angeles San Gabriel Mountains: Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., (below burn area of 2009, Station Fire), below Forest Service boundary, from wash bottom to 150 m. to the west and from 50 to 150 meters north of Maclay. 399 Comment
  SFV699  Dichelostemma capitatum K. A. Wilson 1961-3-1 882 Los Angeles Santa Monica Mountains Mulholland Highway, about 1 mile west of Las Virgenes Road. Steep, rocky slope. 300 Comment
  UC1584728  Dichelostemma capitatum Tim Ross and Annette Ross 1991-3-7 4148 Los Angeles Elephant Hill, w Pomona Pomona, San Dimas USGS 7.5' Quad. 300 Comment
  UCR271870  Dichelostemma capitatum R. G. Swinney 2010-3-24 12098 Los Angeles San Gabriel Mountains, Pacoima area, Lopez Canyon, 1.7 miles west of Kagel Canyon on Lopez Cyn. Rd., to 300 meters east of road on E-W running ridge 503 Comment
  CAS-BOT-BC499429  Dichelostemma capitatum Reid Moran 1941-3-11 699 Los Angeles Ridge north of Middle Ranch,Santa Catalina Island 250 Comment
  SFV5522  Dichelostemma capitatum W. A. Kelley May 1969 s. n. Los Angeles Santa Susana Mountains Santa Susana Pass. Chatsworth. Comment
  RSA347519  Dichelostemma capitatum subsp. capitatum B. A. Prigge 1986-3-19 6930 Los Angeles Santa Monica Mts: 0.3 mile west of Mulholland Hwy on Pacific Coast Hwy. 30 Comment
  SEINET4063538  Dichelostemma capitatum subsp. capitatum M. B. Dunkle 1939-1 7208 Los Angeles San Clemente Island. Comment
  UC1159706  Digitaria ciliaris F. R. Fosberg 1937-8-14 14264 Los Angeles Hollywood 100 Comment
  CAS-BOT-BC152890  Diplacus brevipes Le Roy Abrams 1901-4-3 1279 Los Angeles Santa Monica Mts. 243 Comment
  CAS-BOT-BC153048  Diplacus fremontii Wesley Griesel 1962-6-29 s.n. Los Angeles State Highway near Fuller Mill [Crek] Creek Camp, San Jacinto Mts. Comment
  RSA0028696  Diplacus longiflorus J. Bogdanoff-Lord 1989-5-21 22 Los Angeles Angeles National Forest. 3.9 miles NNE of the intersection of Baseline and Mills, Claremont, on west side of Mt. Baldy Road. Comment
  CAS-BOT-BC43562  Diplotaxis tenuifolia A. Davidson 1893-8-2 s.n. Los Angeles Los Angeles. Comment
  SD69353  Distichlis littoralis Robert F. Thorne, P. Everett 1965-5-11 34535 Los Angeles Sand flat inside Ballast Point on E side of catalina Harbor, Santa Catalina Island Comment
  UC38056  Distichlis spicata J. Burtt Davy May 9-24 1896 2266 Los Angeles near Rosamond Comment
  UCR218009  Distichlis spicata A. C. Sanders, Dan S. Cooper 2010-8-5 38583 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  CAS-BOT-BC43584  Dithyrea californica Timothy S. Ross 1991-4-27 4689 Los Angeles Mojave Desert. Ca. 0.85 mile west of Three Sisters & 1.2 mile south of Black Butte. 947 Comment
  CAS-BOT-BC41904  Dithyrea maritima Ernest Braunton 1903-4-1 s.n. Los Angeles Playa del Rey. Comment
  RSA461494  Dodecatheon clevelandii Martha Hilend 1928-3-4 56 Los Angeles Santa Monica Mtns: N of Pacific Palisades. Comment
  UCSB7574  Dodecatheon clevelandii Wedberg, Lee 1954-3-8 Los Angeles Griffith Park 457 Comment
  SEINET3237841 Image available Dodecatheon redolens R. G. Swinney 1999-8-14 7631 Los Angeles San Gabriel Mtns.; upper Fish Fork San Gabriel River, c. 0.9 air mi. east of Upper Fish Fork Campground, 1.4. air mi. WSW of Dawson Peak. 2146 Comment
  POM481  Draba corrugata var. corrugata I. M. Johnston 1917-7-30 1609 Los Angeles Kelly s Cabin, Ontario Peak. 2591 Comment
  RSA85787  Drymocallis glandulosa var. wrangelliana F. W. Peirson 696 Los Angeles Laurel Canyon Comment
  CLARK-A1528-3593  Dryopteris arguta John C. Roos 1942-3-21 1099 Los Angeles San Gabriel Mountains Comment
  LA34000  Dryopteris arguta Henry J. Thompson; 1959-3-27 1895 Los Angeles SANTA MONICA MOUNTAINS, 1.5 mi. E of Saddle Peak. 731 Comment
  POM250500  Dryopteris arguta I. W. Clokey, E. G. Anderson 1935-5-9 6502 Los Angeles San Dimas Canyon Comment
  RSA693704  Dryopteris arguta V. V. Giles 1936-7-5 269 Los Angeles Crystal Lake Road 1220 Comment
  UCR108333  Dryopteris arguta L. C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mtns., Los Pinetos Canyon Spring 854 Comment
  RSA0021415  Dudleya cymosa E. Gooley 1968-5-18 5 Los Angeles San Gabriel Mountains. Big Tujunga Canyon 762 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
  UCR147724  Dudleya cymosa subsp. pumila 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
  CAS-BOT-BC428409  Dudleya lanceolata Alice Eastwood 1919-5-29 9009 Los Angeles San Gabriel Canyon Comment
  JEPS49924  Dudleya lanceolata Julia A. Bettys 1929-5-20 Los Angeles Manhattan Beach Los Angeles Comment
  RSA0077167  Dudleya lanceolata Reid V. Moran 1946-5-30 2061 Los Angeles Bichota Canyon; 5.5 kilometers above Rincon Guard Sta. 730 Comment
  UCR194008  Dudleya lanceolata R. G. Swinney 1998-8-17 6768 Los Angeles San Gabriel Mtns., upper Coldwater Canyon at NE end of Heaton Flat Trail 1372 Comment
  UCR260625  Dudleya lanceolata R. G. Swinney 2010-4-30 12458 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Canyon Debris Basin in the southernmost of the two east forks of Wilson Canyon 537 Comment
  LA104983  Dudleya lanceolata K. Nakai; 1981-7-4 787 Los Angeles San Gabriel Mountains, 0.2 mi W of Clear Creek 320 Comment
  CAS-BOT-BC109673  Dudleya multicaulis Louis C. Wheeler 1932-5-8 695 Los Angeles San Jose Hills. Puddingstone Dam. 304 Comment
  SD129829  Dudleya virens Blanche Trask 1902-7-16 Los Angeles Santa Catalina Island Comment
  SBBG52614  Dudleya virens subsp. hassei F. R. Fosberg 1931-4-7 4502 Los Angeles Hamilton Beach 5 Comment
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Apr 5 2011
  UC1971395  Dysphania botrys Louis C. Wheeler 1946-8-27 6250 Los Angeles SAN GABRIEL MOUNTAINS: Angeles Forest Highway opposite junction of Mill Creek & Big Tujunga Canyon. Comment
  RSA128229  Echinochloa colona P. H. Raven, H. J. Thompson 1959-10-31 14719 Los Angeles Woodland Hills. Santa Monica Mountains. 305 Comment
  RSA600781  Echinodorus berteroi L. C. Wheeler 1949-6-22 6708 Los Angeles Altadena, Devil's Gate Dam 321 Comment
  RSA374950  Ehrharta erecta S. Granger 1985-8-7 LASCA- 820 Los Angeles LASCA Arcadia. Comment
  SD252242  Ehrharta erecta Steven A. Junak 1999-7-17 Sca 1071 Los Angeles Santa Catalina Island. At Middle Ranch, Janet Takara's house, N side of house. 213 Comment
  SEINET10558272  Ehrharta erecta Louis C. Wheeler 1967-2-7 Wheeler 9165 Los Angeles West Los Angeles. UCLA campus. Growing up through ground cover of Hedera helix in full sun; clay. Comment
  RSA0011697  Elaeagnus angustifolia Jane Tirrell 2012-8-20 LS 0160 - Los Angeles Transverse Ranges; San Gabriel Mountains region: Little Jimmy Springs. 2259 Comment
  RSA365360  Eleocharis montevidensis Grethe Markedahl 1923-4-23 s.n. Los Angeles San Gabriel River. Comment
  RSA774831  Eleocharis parishii Orlando Mistretta, Christine Mistretta 2010-6-8 5285 Los Angeles Upper Big Tujunga Canyon; Lynx Gulch. Along Lynx Gulch Road, approx. 1.15 miles N of intersection with upper Big Tujunga Canyon Rd. 1100 Comment
  RSA0116836  Elymus elymoides R. G. Swinney 2010-9-21 13865 Los Angeles San Gabriel Mountains; summit of Mt. Hawkins, at north end of Copter Ridge. 2683 Comment
  RSA617471  Elymus elymoides Scott D. White 6762 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. 549 Comment
  UCR141227  Elymus elymoides June Latting 1973-4-29 s.n. Los Angeles Mojave Desert, near Three Sisters hills along Black Butte Road, Antelope Valley, NE of Llano 976 Comment
  RSA571283  Elymus elymoides subsp. elymoides Steve Boyd, Darin Banks, Orlando Mistretta 1994-4-29 8324 Los Angeles Northern slope of the San Gabriel Mountains, Angeles National Forest, Santiago Canyon at confluence with side draw on southeastern side of Mt. Emma. 1159 Comment
  UCR271052  Elymus elymoides subsp. elymoides R. G. Swinney 2011-6-6 15009 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  POM365344  Elymus glaucus C. Epling 1931-4-25 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon. Comment
  RSA733228  Elymus glaucus R. G. Swinney 1998-8-17 6770 Los Angeles Upper Coldwater Canyon at NE end of Heaton Flat Trail 1244 Comment
  POM1320  Elymus glaucus subsp. glaucus D. L. Crawford 1916-5-20 716 Los Angeles Mountains above Claremont. Comment
  SD237266  Elymus ponticus R. G. Swinney 2008-6-17 9025 Los Angeles San Gabriel Mountains: 2.3 mi. north of Hwy 2 at Vincent Gap Pinyon Ridge Motorway. 1992 Comment
  RSA0062696  Elymus trachycaulus R. G. Swinney 2010-10-13 14020 Los Angeles Lily Spring, within 100 meters of main spring. 2454 Comment
  UCR223134  Elymus triticoides R. G. Swinney 2009-7-22 11351 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR274962  Elymus triticoides Michael Honer, Rachel Woodard 2006-4-11 2177 Los Angeles Tehachapi Mountains area, Grazed hills c. 3.5 miles ENE of Quail Lake 976 Comment
  SFV11224  Emmenanthe penduliflora D. K. Shayne 1966-3-16 136 Los Angeles Santa Susana Mountains Stony Point. 330 Comment
  CAS-BOT-BC131191  Encelia californica I. Johnston 1917-4-11 s.n. Los Angeles Dominguez Mesa Comment
  SBBG42167  Encelia californica M. B. Dunkle 1939-4-5 7280 Los Angeles Pyramid Cove Comment
  SD126156  Encelia californica F. R. Fosberg 1931-3-18 S 4290 Los Angeles Hamilton Canyon, Santa Catalin Island. Comment
  UC535359  Encelia californica Ira W. Clokey, B. Templeton Mar 1929 4453 Los Angeles Mandeville Canyon Santa Monica Mountains. Mandeville Canyon Comment
  RSA167858  Encelia californica R. F. Thorne, Percy C. Everett 1964-2-6 33283 Los Angeles Isthmus, west of Catalina Harbor, Santa Catalina Island. 8 Comment
  LA6792  Ephedra nevadensis Carl Epling; M. Epling May 1925 sn Los Angeles Mint Canyon 1523 Comment
  SJSU5702  Ephedra nevadensis Lewis S. Rose 1968-4-5 Los Angeles Mojave Desert 822 Comment
  UC1965417  Ephedra viridis R. K. Brummitt & S. M. Namoff 2012-6-7 22037 Los Angeles Angeles National Forest, N of Littlerock, Big Rock Creek road, Sycamore Flat camp site Comment
  UC1083313  Ephedra viridis Herbert L. Mason 1926-4-26 2960 Los Angeles 4 mi w of Sanger Comment
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Jul 31 2014
  RSA783664  Epilobium californicum J. D. Olmsted 1959-6-26 692 Los Angeles Between Mine Canyon and Vincent Gulch on Prairie Fork of E fk. of San Gabriel River. 1524 Comment
  UC624987  Epilobium canum subsp. canum F. R. Fosberg 1931-7-15 S 5419 Los Angeles Isthmus Santa Catalina Id. (ocean bluffs) 5 Comment
  RSA448506  Epilobium canum subsp. latifolium N. R. Zabriskie, W. M. Zabriskie 1972-9-17 533 Los Angeles SE of S end Marion Ridge Road. Pine Cove, SW drainage San Jacinto Mountains. (T5S, R2E, ext. E-central portion sec. 11). 1921 Comment
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Mar 10 2013
  RSA588441  Epilobium canum subsp. latifolium L. E. Hoffman 1931-9-25 s.n. Los Angeles San Gabriel Mountains, Angeles National Forest: Dark Canyon. Comment
  RSA747617  Epilobium ciliatum R. G. Swinney 2008-5-30 8887 B Los Angeles San Gabriel Canyon along old road/trail at El Encanto 256 Comment
  CATA1347  Epilobium ciliatum subsp. ciliatum Mark L. Hoefs, Robert F. Thorne 1995-7-26 2453 Los Angeles Santa Catalina Island: Middle Canyon in stream bed just below reservoir 169 Comment
  RSA0106503  Epilobium ciliatum subsp. ciliatum R. G. Swinney 2011-7-29 15570 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  SD252357  Epilobium ciliatum subsp. ciliatum Steven A. Junak 1999-5-21 Sca 989 Los Angeles Santa Catalina Island: Coffee Pot Canyon, upstream from road crossing; moist canyon bottom. 427 Comment
  UCR202701  Epilobium glaberrimum R. G. Swinney 2001-8-11 8035 Los Angeles San Gabriel Mtns., Lamel Springs on north slope of Mt. Baden-Powell, 1.5 miles south of Vincent Gap 2375 Comment
  CATA2948  Epipactis gigantea Sarah Ratay, Jack Baldelli 2011-4-13 134 Los Angeles Santa Catalina Island: In ""Fern Grotto"", side canyon W of Coffeepot Canyon, near Thunder Beach, population starts just upstream from old road crossing 233 Comment
  RSA0015843  Epipactis gigantea LeRoy Gross, Evan Meyer, Bart O'Brien 2013-10-17 6207 Los Angeles Hansen Dam flood control basin, Big Tujunga wash, between foothill Blvd. and Wentworth street. West of the 210 freeway. Collected short distance east and west, just south of Orcas Park, off Orcas Ave. Near 315 Comment
  UC429310  Epipactis gigantea Geo. B. Grant June, 1904 Los Angeles Eagle Rock Canyon Pasadena Comment
  SBBG58832  Epipactis gigantea E. Crow 1930-6-29 Los Angeles between Camp Coldwater and Pine Flats Comment
  POM211792  Equisetum arvense L. C. Wheeler 1933-8-20 2090 Los Angeles In sunny stream. Pine Canyon Dam, San Gabriel Mts. 305 Comment
  UCR126841  Equisetum hyemale A. C. Sanders, Mark A. Elvin 2002-8-26 25583 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
  SD82311  Equisetum hyemale subsp. affine J. Ewan 1929-12-23 Los Angeles Santa Monica Mountains, La Sierra Canyon 455 Comment
  RSA650207  Equisetum hyemale var. affine G. Foster 1961-6-3 127 Los Angeles West Covina Comment
  RSA725848  Equisetum laevigatum R. G. Swinney 1997-6-25 5648 Los Angeles San Gbriel Mtns.: west of Wrightwood, Blue Ridge Trail, small canyon that is tributary of Sawmill Canyon from the NW, 0.9 mi. SE of Hwy 2 2195 Comment
  RSA639358  Equisetum laevigatum L. C. Wheeler 1933-10-20 2175 Los Angeles San Gabriel River 76 Comment
  CAS-BOT-BC57755  Equisetum telmateia Geo. B. Grant 1904-4-1 406 Los Angeles Pasadena. Comment
  CAS-BOT-BC57760  Equisetum telmateia Moxley 1920-8-28 815 Los Angeles Garapito Canyon, Santa Monica Mts. Comment
  LA11769  Eragrostis mexicana subsp. virescens A. M. Johnson; 1941-5-20 sn Los Angeles Victory near Vineland, San Fernando Valley Comment
  RSA216322  Eragrostis pectinacea E. C. Twisselmann 1970-10-17 17546 Los Angeles Antelope Valley: Gorman Highway 5 miles west of Highway 14 1006 Comment
  SBBG129299  Eragrostis pectinacea var. pectinacea A. Parikh, N. Gale 2012-5-29 2162 Los Angeles Newhall Ranch, 1.7 km SW of intersection of Interstate 5 and Hwy 126, N side of Santa Susana Mtns 320 Comment
  UC1130398  Eremocarpus setiger Jerome S. Horton 1936-9-3 404 Los Angeles San Dimas Lookout Pomona Quadrangle Comment
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May 8 2013
  RSA0041935  Eremogone macradenia var. arcuifolia Steve Boyd, Laura Moore, Michael Wall 1997-7-24 10024 Los Angeles Liebre Mountains Region: Summit of Liebre Mountain, saddle at head of North Fork Fish Canyon, north of Atmore Meadows and south of Oak Flat, along Forest Service road 7N23 4.2 miles west of junction with 7N08. 1719 Comment
  UCR270078  Eriastrum densifolium subsp. austromontanum R. G. Swinney 2011-7-21 15553 A Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  RSA0104345  Eriastrum densifolium subsp. austromontanum T. S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4043 Los Angeles San Gabriel Mountains: NNE of Tiw Summit Station and E of Angeles Forest hwy. Tujunga Ranger District, Angeles National Forest. 1558 Comment
  UC574949 Image available Eriastrum pluriflorum Philip A. Munz and T. Craig 1933-5-13 12925 Los Angeles 10 mi s Muroc; ; S of Muroc, Los Angeles Co. Comment
  RSA0121165  Eriastrum pluriflorum subsp. sherman-hoytiae P. A. Munz, T. Craig 1933-5-13 12952 Los Angeles Desert 16 miles east of Lancaster. Comment
  UCR223645  Eriastrum sapphirinum R. G. Swinney 2009-6-17 11180 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  SD41978  Ericameria cooperi var. cooperi Darley F. Howe 1947-5-5 Los Angeles North face of San Gabriel Mountains. 1525 Comment
  RSA747363  Ericameria cuneata Orlando Mistretta 1994-7-12 1397 A Los Angeles Transverse Ranges; San Gabriel Mtns region: Along trail, S. Fork of Big Rock Creek. Surveying from Reed Spring to Islip Saddle. Near Reed Spring 1829 Comment
  POM359400  Ericameria linearifolia Roy R. Snelling 1977-4-18 3 Los Angeles 2 miles south of Pearblossom. 1066 Comment
  RSA0060785  Ericameria linearifolia LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6805 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  UC1536848  Ericameria linearifolia G. H. True Jr. 1935-3-28 184 Los Angeles w Littlerock 914 Comment
  RSA774619  Ericameria nauseosa var. bernardina R. G. Swinney 2009-7-29 11423 Los Angeles Pacifico Mountain summit 2134 Comment
  CAS-BOT-BC298046  Ericameria nauseosa var. mohavensis C. B. Wolf 1931-10-23 2491 Los Angeles Swartout Valley 1 mile E of Wrightwood Lodge, San Gabriel Mts 1828 Comment
  SD50745  Ericameria parishii var. parishii Darley F. Howe 1959-10-25 Los Angeles Junction of Big Tujunga Canyon Road and Angeles Crest Highway, Sam Gabriel Mountains 1004 Comment
  LA205876  Ericameria pinifolia C. B. Wolf; 1931-5-13 1996 Los Angeles Pacoima Wash, near bridge on road from Tujunga to San Fernando 365 Comment
  POM359465  Ericameria pinifolia Anstruther Davidson 1915-8-1 3082 Los Angeles Camp Baldy. Comment
  POM357453  Erigeron breweri var. jacinteus Anstruther Davidson 1916-07 s.n. Los Angeles Mount San Antonio Comment
  POM357458  Erigeron foliosus Ella M. Kennedy 1923-5-21 s.n. Los Angeles Pasadena. Comment
  SBBG31302  Erigeron foliosus var. foliosus R. F. Thorne 1965-6-22 34874 Los Angeles behind Bird Park 91 Comment
  POM357475  Erigeron foliosus var. foliosus Fordyce Grinnell Jr. 1910-7-10 1931 Los Angeles West Fork Divide, San Gabriel Mts. Comment
  UC1584723  Erigeron foliosus var. foliosus Tim Ross and Annette Ross 1991-6-3 5526 Los Angeles nw slope of hill Elephant Hill 286 Comment
  POM357477  Erigeron foliosus var. stenophyllus Robert Gustafson 1978-6-21 1026 Los Angeles Lower Hungry Valley, near the Canada de Los Alamos, about 4 mi. south of Gorman. 915 Comment
  RSA454989  Eriodictyon crassifolium Thekla Mohr 1897-05 s.n. Los Angeles Sierra Madra Comment
  UCR78157  Eriodictyon crassifolium Wandalee Thompson 1964-6-16 53 Los Angeles San Gabriel Mtns., Liebre Mountains, near Swartz Ranch, Pine Canyon Road, N-2, c. 7 mi. west of Lake Elizabeth 1128 Comment
  RSA0085099  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-4-23 12376 Los Angeles East end of Hansen Dam Basin, on N side of Big Tujunga Wash channel, 0.1-0.5 miles E of Orcas Park. 314 Comment
  RSA0094359  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2011-5-31 14901 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  UC73708  Eriodictyon crassifolium var. nigrescens Pupils of Los Angeles High School June 1902 Los Angeles South Pasadena Comment
  RSA303486  Eriodictyon traskiae E. R. Blakley 1962-10-5 5430 Los Angeles NE side of Black Jack Mt. at Jct of Island Road and Whites Landing Road 381 Comment
  RSA603195  Eriodictyon trichocalyx Louis C. Wheeler 1972-12-20 12786 Los Angeles San Gabriel Mountains: Cow Canyon Saddle 1372 Comment
  UCR43257  Eriodictyon trichocalyx subsp. trichocalyx David Charlton 1986-6-15 245 Los Angeles San Gabriel Mtns, Lightning [=Blue?] Ridge at the intersection of Forest Rd. 3N06 and Angeles Crest Hwy, c. 4 mi NW of the San Bernardino Co. line and 5 mi NW of Wrightwood 2256 Comment
  RSA759009  Eriogonum baileyi R. G. Swinney 2008-10-8 9540 Los Angeles Table Mountain West, north of Big Pines 2284 Comment
  SEINET2043122 Image available Eriogonum baileyi var. baileyi D. Charlton, Robb Fishman 1990-8-30 3905 Los Angeles Western Mojave Desert: NE Palmdale, corner of Ave ''P'' & Sierra HWY. (Palmdale Quad 7.5') 793 Comment
  UCR128094  Eriogonum baileyi var. baileyi Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-14 3003 Los Angeles Santa Clarita Valley, Newhall Ranch, mouth of Castaic Creek, south of SR 126 290 Comment
  SBBG61893  Eriogonum brachyanthum R. Hoffmann 1928-7-7 Los Angeles E of Saugus Comment
  LA94746  Eriogonum cinereum Norman A. Cole; May 1964 324 .4 Los Angeles Santa Monica Mountains, 9.7 mi from Pacific Coast Hwy along Piuma Rd 365 Comment
  POM265634  Eriogonum cinereum J. C. Roos 1942-9-26 1727 Los Angeles Sea bluffs, Santa Monica. Comment
  CAS-BOT-BC241935  Eriogonum cithariforme John Thomas Howell 1947-7-18 23382 Los Angeles Mill Creek, San Gabriel Mts. 1371 Comment
  CAS-BOT-BC242762  Eriogonum davidsonii John Thomas Howell 1947-7-18 23408 Los Angeles Blue Ridge, San Gabriel Mts. 2590 Comment
  RSA659866  Eriogonum davidsonii Orlando Mistretta 1992-8-20 758 Los Angeles Transverse Ranges; San Gabriel Mtns Region: Mt Gleason. Tujunga Ranger District. Comment
  CAS-BOT-BC242756  Eriogonum davidsonii Joseph Andorfer Ewan 1932-6-12 7367 Los Angeles North Fork Tujunga Creek, San Gabriel Mts. 914 Comment
  RSA487212  Eriogonum deflexum var. deflexum James L. Reveal 1988-5-17 6795 Los Angeles Antelope Valley, along 60th Avenue 0.2 mile north of J St., in the west side of the highway west of the Mira Loma Rehabilitation Center (or Detention Facility), about 6 miles west of Lancaster 716 Comment
  SDSU6580  Eriogonum elongatum R. M. Beauchamp 1966-8-10 63 Los Angeles Growing beside the Topanga Canyon Blvd, in Topanga Canyon Comment
  POM2230  Eriogonum elongatum var. elongatum D. L. Crawford 1915-10-27 506 Los Angeles San Bernardino Mountains: Stoddard Canyon - Claremont. Comment
  CDA22588  Eriogonum fasciculatum A. C. Browne 1953-7-3 Los Angeles Highway 99, 3 miles south of Gorman. 0 Comment
  LA78814  Eriogonum fasciculatum H. Lewis; 1942-12-1 247 Los Angeles Caltech Campus, Pasadena Comment
  UCR162640  Eriogonum fasciculatum subsp. polifolium Anuja Parikh, Nathan Gale 2004-6-17 2050 Los Angeles Santa Clara River Valley, Newhall Ranch (study area 44) in vicinity of confluence of Castaic Creek and Santa Clara River 290 Comment
  OBI8164  Eriogonum fasciculatum var. fasciculatum Lewis Meltz 1977-4-9 LM 18 Los Angeles 50 m S of Eaton Cyn, wash, 2 km E of Eaton Cyn bridge 457 Comment
  UCR38922  Eriogonum fasciculatum var. foliolosum B. A. Prigge 1985-6-14 6398 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
  SBBG62071  Eriogonum fasciculatum var. polifolium R. Hoffmann 1927-6-14 Los Angeles E end of Pine Cyn Comment
  RSA187650  Eriogonum giganteum var. giganteum Robert F. Thorne 1966-9-16 36724 Los Angeles Lookout Point SE of Pebbly Beach, Santa Catalina Island. 46 Comment
  SBBG31239  Eriogonum giganteum var. giganteum R. F. Thorne with P. C. Everett 1965-6-23 Los Angeles lower portion of Hamilton Cyn 76 Comment
  CAS-BOT-BC253459  Eriogonum gracile J. Ewan 1931-10-11 5247 Los Angeles Sepulveda Canyon Road north of Mulholland, Santa Monica Mts. Comment
  CAS-BOT-BC253464  Eriogonum gracile Louis C. Wheeler 1931-9-1 49 Los Angeles 2 mi. N Claremont 411 Comment
  RSA393234  Eriogonum gracile M. Bisbee 1917-09 s.n. Los Angeles North hills, Eagle Rock Comment
  JEPS97033  Eriogonum gracillimum Ralph Hoffmann 1927-8-30 Los Angeles near Castaic Comment
  UC66810  Eriogonum gracillimum A. Davidson 1901-8-1 Los Angeles Rock Creek Comment
  CAS-BOT-BC261176  Eriogonum heermannii var. heermannii Victor Duran 1933-8-10 3545 Los Angeles South Fork Big Rock Creek, San Gabriel Mts. 1394 Comment
  SBBG125456  Eriogonum hirtiflorum A. Parikh, N. Gale 2010-6-18 3324 Los Angeles upper Big Tujunga Cyn, 1 km N of St Hwy 2, 0.1 km W of upper Big Tujunga Cyn Rd, San Gabriel Mtns. 1283 Comment
  SBBG125880  Eriogonum inflatum A. Parikh, N. Gale 2010-6-8 3266 Los Angeles Sierra Pelona, NW of Vincent and Soledad Pass, 3.3 km NW of State Hwy 14; E Liebre Mtns 1150 Comment
  RSA393659  Eriogonum maculatum Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  CAS-BOT-BC263041  Eriogonum maculatum Frank W. Peirson 1927-5-7 7264 Los Angeles 4 miles east of Lancaster Comment
  POM50859  Eriogonum maculatum A. D. E. Elmer 1902-06 3708 Los Angeles Acton. Comment
  RSA0005071  Eriogonum microtheca var. johnstonii I. M. Johnston 1917-9-16 1726 Los Angeles San Antonio Mts., west spur of Baldy. 2744 Comment
  SBBG64070  Eriogonum molestum Anstruther Davidson -Jul-1893 Los Angeles Wilson's Peak Comment
  SBBG64125  Eriogonum nudum R. Hoffmann 1927-6-8 Los Angeles Ridge Route (US Hwy 99) near Sandberg's Comment
  RSA781238  Eriogonum parvifolium A. C. Sanders, Dan S. Cooper 2010-3-12 37347 Los Angeles South Coast: Madrona Marsh, Torrance. 24 Comment
  RSA420653  Eriogonum plumatella Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  RSA660446  Eriogonum saxatile Orlando Mistretta 1992-6-26 626 Los Angeles Transverse Ranges; San Gabriel Mts region: Glendora Saddle to Lookout Mountain. Comment
  UCR223647  Eriogonum saxatile R. G. Swinney 2009-6-24 11263 Los Angeles Transverse Range; San Gabriel Mtns., summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1926 Comment
  RSA424971  Eriogonum thurberi F. R. Fosberg 1930-8-3 S 3081 Los Angeles Lexington Wash San Gabriel River. El Monte. 80 Comment
  CAS-BOT-BC262858  Eriogonum thurberi Carl Epling; Nesta Dunn; Alice Goen 1931-5-16 s.n. Los Angeles San Gabriel Mts., Cajon Pass Comment
  UCR189819  Eriogonum umbellatum R. G. Swinney 1998-9-4 6888 Los Angeles San Gabriel Mtns., dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi. east of Hwy 2 on 3N06 2241 Comment
  UCR203108  Eriogonum umbellatum var. minus R. G. Swinney 2001-8-27 8102 Los Angeles San Gabriel Mountains, Mt. Burnham, west of Mt. Baden-Powell 2743 Comment
  POM17603  Eriogonum umbellatum var. munzii P. A. Munz 1923-8-30 7662 Los Angeles San Gabriel Mountains, Swartout Valley. North of Big Pines. 2226 Comment
  SBBG64216  Eriogonum vimineum R. Hoffmann 1928-7-7 Los Angeles 2 mi W of Lang Comment
  POM357931  Eriophyllum confertiflorum Norman C. Cooper 1948-5-13 2765 Los Angeles Pomona. 244 Comment
  RSA3247  Eriophyllum confertiflorum C. B. Wolf 1931-6-25 2235 Los Angeles Wash SW of Los Angeles Botanic Garden, along Beverly Blvd. (Mandeville Canyon). 61 Comment
  RSA592353  Eriophyllum confertiflorum L. C. Wheeler 1967-5-12 9428 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  UCR281027  Eriophyllum confertiflorum Mitch Provance 2017-6-30 617- 36 Los Angeles Catalina Island, Northern edge of Avalon, loop road around Sugar Loaf Pk., upper portion of Chime Tower Rd. 145 Comment
  CATA706  Eriophyllum confertiflorum var. confertiflorum Mark L. Hoefs 1991-5-3 1205 Los Angeles Santa Catalina Island: Bluff between Hamilton Cove and Descanso Beach 82 Comment
  RSA598257  Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 1969-6-25 160 Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. 426 Comment
  UC206206  Eriophyllum confertiflorum var. confertiflorum Katharine Brandegee Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC308365  Eriophyllum nevinii Geo. B. Grant No date on label. s.n. Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC308392  Eriophyllum pringlei F. W. Peirson 1926-4-26 6656 Los Angeles About 1 mile east of Palmdale, southwestern Mojave Desert Comment
  UCD132246  Eriophyllum wallacei Geoffrey Levin 1975-5-17 505 Los Angeles 1.5 mi. east on State 138 from junction with State 18 near Pinyon Hills. Drainage Area: Mohave River. 1158 Comment
  RSA0055789  Erodium cicutarium R. G. Swinney 2010-4-28 12437 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA656430  Erodium cicutarium Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 702 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. 579 Comment
  UCR90276  Erodium cicutarium 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
  SBBG19220  Erodium moschatum M. A. Piehl 1963-12-8 63193 Los Angeles 0.25 mi from mouth of Cave Cyn 9 Comment
  CAS-BOT-BC40709  Erysimum capitatum Robert F. Thorne; M. Z. Thorne 1967-6-25 37087 Los Angeles San Gabriel Mountains. Along fire-road between Cobal and Evey Canyons. 731 Comment
  RSA730167  Erysimum capitatum R. G. Swinney 1998-7-2 6201 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  SFV9379  Erysimum capitatum M. L. Vincent, L. Swade 1964-4-2 477 Los Angeles San Gabriel Mountains Mint Canyon. Solemint Canyon Road, 2 miles north of Solemint Store. 500 Comment
  UC10535  Erysimum capitatum J. H. Barber 1897-6-29 217 Los Angeles Bear Canyon and Mt. Gleason summit Comment
  UCR205095  Erysimum capitatum R. G. Swinney 2008-4-11 8657 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  UCSB2340  Erysimum capitatum var. capitatum Ballard 1954-3-14 Los Angeles San Dimas Park 350 Comment
  SBBG31157  Erythranthe cardinalis R. F. Thorne 1966-6-1 36506 Los Angeles lower end of Cape Cyn above jct with Middle Ranch Cyn 236 Comment
  SD220083  Erythranthe guttata R. G. Swinney 2008-5-13 8861 Los Angeles San Gabriel Mountains; Devil's Punchbowl County Park, Holcomb Canyon at junction with South Fork Trail. 1390 Comment
  RSA725900  Eschscholzia californica Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2920 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. 915 Comment
  CAS-BOT-BC403189  Eschscholzia californica Timothy S. Ross; Steve Boyd 1994-5-4 7652 Los Angeles Liebre Mountains. Grass Mountain: gradual, grassy slope of easterly exposure, ca 70 m ENE of the summit 1391 Comment
  POM243804  Eschscholzia californica F. R. Fosberg 1931-5-21 4954 Los Angeles Between Howlands Landing and Johnsons Landing 10 Comment
  RSA0034935  Eschscholzia californica P. Reisentz 1975-3-8 1 Los Angeles 2 miles north of Stunt Rd. on Mulholland Hwy. 365 Comment
  RSA535512  Eschscholzia californica F. C. Boutin 1967-4-24 1719 Los Angeles San Clemente Island: E side of island, Wilson Cove. Comment
  UCSB11264  Eschscholzia californica Hancock, Dan 1961-3-31 Los Angeles 1 mi. SE of Middle Ranch on Blackjack Rd, on Catalina Island Comment
  CAS-BOT-BC83098  Eschscholzia minutiflora A. D. E. Elmer 1902-6-1 4180 Los Angeles Lancaster. Comment
  SBBG128384  Eschscholzia ramosa M. L. Hoefs 1991-4-16 1100 Los Angeles Renton Mine Rd 249 Comment
  SFV21466  Eucalyptus camaldulensis L. Gross 2001-9-1 445 Los Angeles Verdugo Mountains North side of mountains. Along the bottom of Hostetter Mountain Way where road is paved, parallel with 210 freeway. 549 Comment
  RSA655933  Eucalyptus globulus James Henrickson 2000-4-15 20683 Los Angeles Ca. 1 mi SE of Newhall in Whitney Canyon SE of junction of San Fernando Road and State Highway 14; ca. 1/2 mile E of Hwy 14. 488 Comment
  UC1870241  Eucalyptus sideroxylon LeRoy Gross, Steve Larson, Valerie Soza 2001-5-31 387 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Southeast side. Dead Horse Canyon, along road (Heather Ridge Dr.) 335 Comment
  RSA592512  Eucrypta chrysanthemifolia Mark Hoefs 1973-3-13 68 Los Angeles Santa Catalina Island. 244 Comment
  RSA526579  Eucrypta chrysanthemifolia Tim S. Ross 1991-3-24 4311 Los Angeles Whittier Hills. 311 Comment
  LA105329  Eucrypta chrysanthemifolia var. chrysanthemifolia Barry A. Prigge; 1989-4-23 8435 Los Angeles Santa Susana Mountains, between Falls Creek and Blind Canyon, 1.5 mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 579 Comment
  RSA75987  Eucrypta chrysanthemifolia var. chrysanthemifolia F. W. Peirson 1921-6-20 5303 Los Angeles North Fork of San Gabriel River 762 Comment
  UCR272611  Eulobus californicus R. G. Swinney 2011-5-6 14589 Los Angeles San Gabriel Mountains, north of Glendora, Glendora Mountain summit along old fire break 1013 Comment
  SBBG126127  Eulobus californicus A. C. Sanders with T. B. Salvato, M. Provance 2009-5-28 37025 Los Angeles San Gabriel River channel between Ramona Blvd and Lower Azusa Rd, sw lobe of Irwindale between Baldwin Park and El Monte 92 Comment
  RSA498950  Euphorbia crenulata L. C. Wheeler 1936-6-21 4163 Los Angeles W Fork Palmer Canyon, San Gabriel Mountains. 701 Comment
  UCD170885  Euphorbia melanadenia R. G. Swinney 2009-3-11 10088 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park. 296 Comment
  UCD142564  Euphorbia melanadenia Jack Delaini 1974-3-11 60 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. 396 Comment
  SBBG32121  Festuca bromoides R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -261 Los Angeles between Sweetwater and Middle Ranch Cyns 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
  CATA71  Festuca myuros Peter Henrikson 1987-4-13 54 Los Angeles Santa Catalina Island: Hermit Gulch 106 Comment
  UCR259261  Festuca perennis R. G. Swinney 2010-6-4 13003 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
  RSA158266  Filago arizonica Peter H. Raven 1962-4-12 17321 Los Angeles Near foot of canyon south of canyon below the Tomb, west side of San Clemente Island 137 Comment
  RSA515135  Filago californica Aaron Liston, Orlando Mistretta, L. Rieseberg 1989-4-29 8005 Los Angeles [San Clemente Island] Comment
  UCR258818  Filago californica R. G. Swinney 2010-5-11 12696 Los Angeles San Gabriel Mountains, east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd 872 Comment
  PASA1931  Foeniculum vulgare Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  SFV10183  Foeniculum vulgare J. G. Cuti, M. Williams 1978-7-4 s. n. Los Angeles Santa Monica Mountains About 2 miles north of Pacific Coast Highway on Topanga Canyon Road. Comment
  UCD112547  Frangula californica Daryl Koutnik 1978-4-21 403 Los Angeles Glendale at east end of Glenoaks Avenue, near Scholl Canyon Park. 304 Comment
  CAS-BOT-BC52544  Frangula californica subsp. californica Le Roy Abrams 1900-8-10 1021 Los Angeles San Gabriel Canyon Comment
  SBBG106885  Frankenia salina M. L. Hoefs, R. F. Thorne, J. Takara 1995-7-26 2484 Los Angeles Little Harbor 3 Comment
  RSA628582  Frasera neglecta Louis C. Wheeler 1967-7-15 10059 Los Angeles Mt. Waterman, on W ridge. 1951 Comment
  RSA729482  Frasera neglecta R. G. Swinney 1999-6-21 7393 Los Angeles Boulder Canyon, upper end near Hwy 2. Canyon bottom in montane coniferous forest, with weak riparian development. 1805 Comment
  CAS-BOT-BC223423  Fraxinus dipetala Alice Eastwood 1919-5-29 8982 Los Angeles San Gabriel Canyon Comment
  PASA19  Fraxinus dipetala Sally Ellis 1939-5-12 Los Angeles San Dimas Canyon Comment
  RSA69889  Fraxinus dipetala F. W. Peirson 1919-4-19 383 Los Angeles Pacoima Canyon; San Gabriel Mountains Comment
  CAS-BOT-BC211013  Fraxinus velutina Le Roy Abrams; E. A. McGregor 1908-6-20 400 Los Angeles Liebre Mountains. Between Oakgrove Canyon & Elizabeth Lake Comment
  RSA0048379  Fremontia californica E. Gooley 1968-5-20 s.n. Los Angeles n3, Aliso Canyon Road, San Gabriel Mountains. 1066 Comment
  RSA746542  Funastrum cynanchoides var. hartwegii A. C. Sanders, T. B. Salvato 2009-5-20 36865 Los Angeles San Gabriel Valley: Montebello Hills, under SCE powerlines NE of Plaza Dr., SE of Montebello Blvd. and SW of San Gabriel Blvd. 96 Comment
  RSA674782  Galium andrewsii Scott D. White, Kent Hughes 2000-5-16 7848 Los Angeles San Gabriel Mountains: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  UCSC001309  Galium angustifolium Peter Kamb 1948-7-4 1183 Los Angeles North slope of Mt Disappointment Mt Disappointment - San Gabriel Mts. 1646 Comment
  UCD121566  Galium angustifolium Robert F. Thorne; P. Everett 1965-6-22 34918 Los Angeles Santa Catalina Island: S of Avalon golf course. Comment
  JEPS114013  Galium angustifolium subsp. angustifolium Timothy S. Ross and Steve Boyd 1994-5-10 7701 Los Angeles Saddle divide between E. Fork Fish Canyon and Warm Springs Canyon; vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132), NNW of Warm Springs Mountain summit. Comment
  RSA600475  Galium angustifolium subsp. angustifolium Steve D. Boyd, Lauren Raz 1997-4-30 9603 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
  POM367665  Galium angustifolium subsp. angustifolium Edwin Kline 1924-5-25 s.n. Los Angeles Bouquet Canyon, Sierra Pelona Mts. Comment
  RSA529208  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd 1991-7-24 5608 Los Angeles Granite Mountain vicinity: ridge NNE of G.M. 1893 Comment
  RSA585676  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-11 3338 Los Angeles Big Rock Creek: just above the confluence of Holcomb Canyon Creek, between Big Rock Creek Road and the mouth of Holcomb Canyon. 1255 Comment
  RSA630250  Galium angustifolium subsp. nudicaule Scott D. White, David E. Bramlet 1998-8-11 7048 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
  RSA0021879  Galium aparine Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5109 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA655800  Galium aparine James Henrickson 2000-4-15 20701 Los Angeles Ca. 1 mile SE of Newhall in Whitney Canyon SE of junction of San Fernando Road and State Highway 14. 457 Comment
  CHSC110742  Galium grande Dean Wm. Taylor 2003-5-29 18599 Los Angeles San Gabriel Mountains, along Rincon Red box Road on ridge 1 mile NW of Monrovia Peak (Angeles National Forest road 2N24.1) Comment
  RSA279053  Galium grande Robert F. Thorne 1971-4-23 41465 Los Angeles San Gabriel Mountains, Angeles National Forest: Chantry Flats, along trail to Santa Anita Canyon. 610 Comment
  RSA202638  Galium hallii F. Ehrendorfer 1959-6-14 5901 Los Angeles Northeast side of San Gabriel Mountains, Sawmill Canyon at west end of Swartout Valley, between Wrightwood and Lone Pine, at 6600 feet. 2012 Comment
  RSA202690  Galium jepsonii Lauramay T. Dempster, Clare B. Hardham 1965-6-16 4122 Los Angeles San Gabriel Mountains, Cloudburst Summit on Angeles Crest Highway north of Waterman Mountain. 2140 Comment
  RSA188396  Galium nuttallii subsp. insulare Robert F. Thorne, Percy C. Everett 1965-6-22 34902 Los Angeles Santa Catalina Island. Upper end of Avalon Canyon along road 183 Comment
  RSA454421  Galium nuttallii subsp. insulare F. R. Fosberg 1931-4-23 S- 4688 Los Angeles Santa Catalina Island. Headwaters of Swain's Canyon, NE slopes of Black Jack Mountain. 350 Comment
  UCR270251  Galium porrigens R. G. Swinney 2011-10-10 15734 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
  POM292881  Galvezia speciosa Lyman D. Benson, Joseph Lanjouw, Robert Benson 1953-5-2 15110 Los Angeles Catalina Island. White's Landing 15 Comment
  UC1518674  Galvezia speciosa Robert F. Thorne 1973-4-11 42836 Los Angeles San Clemente Island 274 Comment
  UCR68908  Galvezia speciosa Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4196 Los Angeles Channel Islands, San Clemente Island: upper reaches of China Canyon, S end of Island, W side Comment
  SBBG39563  Gambelia speciosa K. K. Muller 1953-5-2 596 Los Angeles above ocean, just S of Camp Orizaba, Swain Cyn Comment
  SBBG96686  Gambelia speciosa S. Boyd with T. Ross, L. Arnseth 1990-4-7 4196 Los Angeles upper reaches of China Cyn Comment
  UCR281599  Gamochaeta pensylvanica R. G. Swinney 2014-5-19 16588 Los Angeles San Gabriel Mountains, Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Motorway 515 Comment
  RSA590414  Gamochaeta ustulata Timothy S. Ross 1993-4-21 6847 Los Angeles Santa Catalina Island, SW part of the Island along major EW ridge between Carlos 992ft and Cactus Peak 1560ft. 2750ft WNW of Cactus Peak summit. 436 Comment
  RSA392410  Garrya elliptica H. L. Bauer 1933-3-11 17526 Los Angeles Saddle Peak. 457 Comment
  RSA251485  Gastridium phleoides R. F. Thorne 1973-4-11 42817 Los Angeles San Clemente Island: plateau W of upper part of Norton Canyon. 396 Comment
  SEINET8718698 Image available Gastridium ventricosum F. R. Fosberg 1931-1 S 4677 Los Angeles Eagles Nest, Middle Ranch Canyon, Santa Catalina Island, Upper Sonoran Zone Comment
  UCR190355  Gayophytum R. G. Swinney 2001-6-16 7972 Los Angeles San Gabriel Mtns., Juniper Hills, north side of Pleasant View Ridge, secondary ridge between Miller and McClure canyons 1951 Comment
  UCR182848  Gayophytum diffusum subsp. parviflorum R. G. Swinney 1997-8-6 5760 Los Angeles San Gabriel Mtns, Table Mountain area, ridge immediately east of Jesus Canyon, at north end of road 4N57, NW of Wrightwood 1890 Comment
  UCR272522  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. 1232 Comment
  UCR272849  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-8-5 15606 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
  RSA675013  Gazania linearis LeRoy Gross 2003-3-1 752 Los Angeles South side; Along Stough Canyon Motorway (dirt road). Pass the nature center. 500 Comment
  CATA707  Genista linifolia Mark L. Hoefs 1991-5-3 1206 Los Angeles Santa Catalina Island: Bluff between Hamilton Cove and Descanso Beach 82 Comment
  RSA0091487  Gilia R. G. Swinney 2011-5-24 14821 Los Angeles 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 1049 Comment
Read comments
Dec 7 2018
  SDSU3050  Gilia achilleifolia subsp. multicaulis A. H. Gallup 1949-4-17 408 Los Angeles Lasca. 152 Comment
  UC52494  Gilia angelensis Ernest Braunton 1902-4-29 240 Los Angeles N. Pomona Comment
  UCD117597  Gilia angelensis Dan Axelrod 1932-3-21 s.n. Los Angeles 10 miles north of San Fernando. Comment
  UCR152891  Gilia angelensis A. C. Sanders, Helen Kennedy 2005-4-13 29434 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UC714918  Gilia angelensis Florence Youngberg April, 1937 Los Angeles near San Dimas (Puddingstone); , near San Dimas Comment
  POM320628  Gilia californica var. glandulosa Greg Wright 1971-6-20 173 Los Angeles Mt. Baldy Rd. Just below intersection with Shinn Rd. W of San Antonio Dam. Evey Canyon. Pacific Ocean drainage area. 707 Comment
  UCR280902  Gilia cana R. G. Swinney 2014-4-23 16177 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
  IRVC26155  Gilia capitata A. C. Sanders 2003-5-1 26243 Los Angeles NE side of Castaic Mesa, near Angeles National Forest boundary, ca. 0.6 mi. due west of confluence of Bitter and Charlie Canyons Western San Gabriel Mtns. 396 Comment
  UCR189950  Gilia capitata R. G. Swinney 1998-6-16 6979 Los Angeles San Gabriel Mtns., ridge c. 400 m SE of summit of Lookout (Antonio) Mtn. 1854 Comment
  LA52328  Gilia capitata subsp. abrotanifolia W. O. Griesel; 1936-4-18 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  RSA470219  Gilia capitata subsp. abrotanifolia Anstruther Davidson 1910-5-1 2394 Los Angeles Sierra Madre, Cal. Comment
  RSA709789  Gilia capitata subsp. abrotanifolia LeRoy Gross 2005-4-28 2140 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
  RSA587408  Gilia latiflora subsp. cuyamensis Orlando Mistretta 1995-4-5 1602 Los Angeles Drainage W of Little Rock Creek Reservoir. 1006 Comment
  UCR102535  Gilia latiflora subsp. davyi George K. Helmkamp, E. A. Helmkamp 1997-3-6 1355 Los Angeles Western Mojave Desert, west of Lancaster along Lancaster Rd, just south of California Poppy Preserve 793 Comment
  UCR206277  Gilia latiflora subsp. davyi R. G. Swinney 2008-6-4 8947 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, c. 100 m SW of park headquarters/nature center 1470 Comment
  CAS-BOT-BC226319  Gilia latiflora subsp. davyi Peter Rubtzoff 1988-3-23 9898 Los Angeles Near Antelope Valley California Poppy Reserve. On north side of Lancaster Road, east of the entrance to the Reserve Comment
  RSA244455  Gilia latiflora subsp. davyi E. K. Balls 1966-3-17 12124 Los Angeles 1.5 miles E of Llano along hwy 138 Palmdale to the Cajon Pass. Comment
  SBBG31539  Gilia nevinii R. M. Beauchamp 1967-3-17 247 Los Angeles E of Wilson Cove Comment
  UC1587212  Gilia nevinii Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5324 Los Angeles terrace flats between Box and Horse Canyons (w side San Clemente Island); , btw Box and Horse Canyons 484 Comment
  CAS-BOT-BC402006  Gilia ochroleuca subsp. bizonata Frank W. Peirson 1919-5-10 268 Los Angeles Arraster [Arrastre] Creek, San Gabriel Mts. 914 Comment
  CAS-BOT-BC402010  Gilia ochroleuca subsp. bizonata Louis C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast of Vincent Comment
  RSA0017218  Gilia ochroleuca subsp. bizonata Orlando Mistretta 1992-5-4 213 Los Angeles Little Rock Creek, Alimony Ridge 1463 Comment
  UC674937  Gilia ochroleuca subsp. bizonata Francis W. Pennell 1940-4-18 25138 Los Angeles e Gorman (Route 99); e of Gorman 1127 Comment
  UC718501  Gilia ochroleuca subsp. bizonata Carl B. Wolf 1935-5-6 6733 Los Angeles 1/2 mi e Gorman (Liebre Mts.); , e of Gorman 1158 Comment
  UC964781  Gilia ochroleuca subsp. bizonata Herbert L. Mason 1926-4-26 2967 Los Angeles Summit of 1st Grade, Mint Canyon Road Mint Canyon Road Comment
  RSA0016257  Gilia ochroleuca subsp. bizonata E. C. Twisselmann 1959-6-2 5324 Los Angeles Summit of Liebre Mountain 1677 Comment
  CAS-BOT-BC407854  Gilia ochroleuca subsp. ochroleuca Robert F. Thorne; G. Wallace 1973-4-25 43365 Los Angeles San Gabriel Mts., Mojave Desert slope: 1/4 mile N of Bob's Gap, 3.5 mile S of Llano, N slope of Holcomb Ridge 1188 Comment
  UCR146465  Gilia splendens subsp. grantii Orlando Mistretta 1992-6-12 549 Los Angeles Transverse Ranges; San Gabriel Mountains region, Cow Canyon, Road 2N29 EA- from Saddle to 2nd main drainage Comment
  RSA709110  Glycyrrhiza lepidota Scott D. White, Justin M. Wood 2005-9-22 11229 Los Angeles Liebre Mountains: Tapia Canyon: ca. 2 air miles east of the Interstate 5 / Old Ridge Rt. junction. 427 Comment
  SEINET11849338  Gnaphalium californicum Unknown 1945-1 s.n. Los Angeles Eaton's Wash, Pasadena Comment
  UCR142078  Gnaphalium leucocephalum A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al 2003-4-30 26194 Los Angeles Western San Gabriel Mtns., Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment
  RSA596194  Gnaphalium microcephalum Lauren Raz, S. D. Boyd 1996-10-23 027 Los Angeles Liebre Mountains. Entrance to Ruby Canyon on Forest Service Road 6N24 ca. 1/10 mile from junction with Lake Hughes Road 609 Comment
  POM358898  Gnaphalium palustre Anstruther Davidson 1915-8-1 3089 Los Angeles Camp Baldy. Comment
  POM358903  Gnaphalium palustre M. B. Dunkle 1928-10-7 1988 Los Angeles Santa Catalina Island. Middle Ranch Gorge. Comment
  POM358926  Gnaphalium ramosissimum Robert Gustafson 1981-7-15 2348 Los Angeles Ballona Wetlands, Area 2. Comment
  UCR272535  Gnaphalium stramineum R. G. Swinney 2011-9-22 15681 Los Angeles San Gabriel Mountains, SE side of Camp Colby (Colby Ranch), Colby Grave marker, confluence of 'Inspiration Cyn.' & Coldwater Cyn., near spring & watertank 1140 Comment
  CAS-BOT-BC108971  Goodmania luteola Ralph Hoffman 1930-4-28 s.n. Los Angeles Lancaster. Comment
  LA202577  Guillenia lasiophylla Henry J. Thompson; 1959-5-24 2005 Los Angeles Santa Monica Mountains, Tuna Canyon, 1.9 mi N of Pacific Coast Hwy on Tuna Canyon Rd 335 Comment
  RSA584311  Guillenia lasiophylla Timothy S. Ross, Steve Boyd 1991-3-23 4276 Los Angeles Northeastern-most corner of the county, ca. 3 mi. SSE of Jackrabbit Hill (Kern Co.), (ca. 1.45 mi. S of Kern Co. line and 0.2-0.5 mi. W of San Bernardino Co. line). 878 Comment
  RSA586976  Guillenia lasiophylla Orlando Mistretta 1992-5-8 321 Los Angeles Little Rock Creek, slopes E. of Little Rock Creek Reservoir 1159 Comment
  UC527633  Gutierrezia californica C. B. Wolf 1931-7-2 Los Angeles 0.5 mi above the bridge on the road from Sunland to San Fernando; Little Tujunga Wash 335 Comment
  SD239595  Gutierrezia microcephala R. G. Swinney 2008-10-7 9466 Los Angeles San Gabriel Mtns.: Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 Comment
  CAS-BOT-BC302130  Gutierrezia sarothrae Le Roy Abrams 1900-8-11 856 Los Angeles San Gabriel Canon [Canyon] Comment
  UCR126831  Haplopappus venetus A. C. Sanders, Mark A. Elvin 2002-8-27 25594 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed, Newhall Ranch, Santa Clara River Valley, south of Hwy 126 274 Comment
  CATA1496  Harpagonella palmeri Mark L. Hoefs, Steven A. Junak 1996-5-1 2703 Los Angeles Santa Catalina Island: Road to Lone Tree, past Upper Road to Avalon Canyon 478 Comment
  RSA157780  Hazardia cana Peter H. Raven 1962-5-10 17730 Los Angeles San Clemente Island; large canyon west of Thirst. 305 Comment
  SBBG128125  Hazardia squarrosa M. Zou, A. Cheung, D. Kasang, S. Lawrence-Gomez, S. Raray 2011-7-8 19 Los Angeles Deer Valley Trail 23 Comment
  SFV20796  Hazardia squarrosa var. grindelioides L. Gross, V. Soza, N. Gilbert 2000-10-18 281 Los Angeles Verdugo Mountains Saddle where Stough Canyon Mountainway and Verdugo Mountainway meet. A short walking distance from road in a northwest facing draw, east of saddle near above coordinates. 610 Comment
  UCR61067  Hedera helix R. G. Swinney 1989-7-6 s.n. Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon, 1 mi. east of Glendora Mtn. Rd. 428 Comment
  RSA659717  Hedypnois cretica J. C. Roos 1954-5-17 s.n. Los Angeles North Kenmore and Oakdale Streets, Hollywood. Comment
  SD252281  Hedypnois cretica Steven A. Junak 1999-4-23 Sca 849 Los Angeles Santa Catalina Island. E of isthmus, plant stop, along S side of road; localized population; disturbed site. 182 Comment
  UCR193595  Helenium bigelovii R. G. Swinney 1998-8-6 6705 Los Angeles San Gabriel Mtns., Alder Gulch, a western tributary of upper East Fork San Gabriel River 1311 Comment
  POM293691  Helenium puberulum Lyman Benson 1948-10-25 13544 Los Angeles Spring one mile above mouth of San Antonio Canyon, Pacific Slope Drainage Area, San Gabriel Mountains. 793 Comment
  CAS-BOT-BC309438  Helenium puberulum A. J. McClatchie 1893-9-1 s.n. Los Angeles Catalina Comment
  SEINET11980069  Helianthemum scoparium I. W. Clokey, Templeton, B. 1929-1 4490 Los Angeles Mandeville Canyon, Santa Monica Mountains 250 Comment
  CAS-BOT-BC305420  Helianthus annuus LeRoy Abrams 1902-7-3 2640 Los Angeles Sierra Madre Comment
  UCR259067  Helianthus annuus R. G. Swinney 2010-5-4 12510 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
  UCR125140  Helianthus annuus subsp. lenticularis A. C. Sanders, Mark Elvin 2002-6-25 25269 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
  RSA704709  Heliotropium curassavicum Gary D. Wallace, C. Black, D. Cohen, R. Lavenburg 1983-6-29 2090 Los Angeles Santa Catalina Island: Twin Harbors area Marine Station. Comment
  UCR204552  Heliotropium curassavicum R. G. Swinney 2005-8-5 8367 Los Angeles San Gabriel Mtns, Caldwell Lake at Mile High, 0.4 mi. west of jct. of 204th St. East and Big Pines Hwy 1566 Comment
  POM369753  Heliotropium curassavicum var. oculatum Wm. Martin 1971-8-25 s.n. Los Angeles Point Dume Comment
  POM369758  Heliotropium curassavicum var. oculatum L. E. Hoffman 1932-8-2 s.n. Los Angeles Playa del Rey Comment
  UCD119428  Heliotropium curassavicum var. oculatum P. B. Kennedy 1927-7-13 s.n. Los Angeles Oceano. Comment
  RSA544564  Hemizonia clementina Timothy S. Ross, Kellogg 1992-4-13 6144 Los Angeles San Clemente Island: NW part of the island. Coastal terrace in the vicinity of Darter. (340 degrees NNW, 1140m distant from 199'BM near Flasher; ca 250m NNW of the shifting sands.) 18 Comment
  RSA534112  Herniaria hirsuta subsp. cinerea Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5093 Los Angeles San Clemente Island, N Head, WNW of the new Landing field 15 Comment
  UCR142551  Hesperocnide tenella L. C. Wheeler 1932-4-23 649 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 137 Comment
  CAS-BOT-BC422494  Hesperomecon linearis Brandegee 1889-5-1 15 Los Angeles Pasadena Comment
  CAS-BOT-BC135949  Hesperoyucca whipplei Louis C. Wheeler 1932-4-14 615 Los Angeles San Gabriel Wash 106 Comment
  SBBG17812  Heteromeles arbutifolia P. H. Raven 1962-7-10 17985 Los Angeles below Lemon Tank 243 Comment
  UC625006  Heteromeles arbutifolia F. R. Fosberg 1931-5-4 S 4763 Los Angeles Santa Catalina Island; Bullrush Canyon 100 Comment
  RSA0072468  Heteromeles arbutifolia Robert F. Thorne, Percy C. Everett 1964-2-6 33296 Los Angeles Santa Catalina Island. Above Fourth of July Cove. 30 Comment
  UCSB2814  Heteromeles arbutifolia Haller, Norman 1953-5-7 Los Angeles Mulholland Dr. near Sepulveda Blvd., Santa Monica Mts. 457 Comment
  SD52910  Heteromeles arbutifolia var. macrocarpa Peter H. Raven 1962-7-10 17973 Los Angeles San Clemente Island, upper reaches of Cave Canyon, the large canyon draining southwest from Thirst. Comment
  RSA0074517  Heterotheca fastigiata Ed Johnson 1922-8-10 s.n. Los Angeles Pomona. Comment
  RSA0075652  Heterotheca grandiflora Joseph A. Ewan 1933-06 10799 Los Angeles Creek bottoms, Verdugo Canyon. Comment
  UC1595243  Heterotheca sessiliflora subsp. fastigiata Tim Ross and Peter Fritsch 1990-6-20 3589 Los Angeles near the confluence E and W Forks of the San Gabriel River; San Gabriel Mountains, Mouth of Burro Canyon 445 Comment
  UCR273260  Heterotheca sessiliflora subsp. fastigiata R. G. Swinney 2011-10-25 15862 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
  UCR149782  Heterotheca subaxillaris Scott D. White, Pam Devries 2004-6-14 10498 A Los Angeles Western Transverse Ranges, Eastern Santa Susana Mountains. West of the I-5 Freeway, c. 4 mi N of I-5 / SH-14 jtn and 6 mi south of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 518 Comment
  RSA0066370  Heuchera abramsii I. M. Johnston 1918-7-6 2096 Los Angeles San Antonio Mountains, Baldy Summit. 3049 Comment
  RSA0063089  Heuchera abramsii Gale Sphon 1959-6-27 380 Los Angeles 1 mile east of Dawson Summit, Angeles Crest Highway. 2287 Comment
  UCR194003  Hieracium argutum var. parishii R. G. Swinney 1998-8-17 6766 Los Angeles San Gabriel Mtns., upper Coldwater Canyon at NE end of Heaton Flat Trail 1372 Comment
  POM352450  Hordeum brachyantherum F. R. Fosberg 1930-6-26 53058 Los Angeles Lower Ballona Creek 5 Comment
  UCR214619  Hordeum murinum A. C. Sanders, Dan S. Cooper 2010-3-12 37362 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR92052  Hordeum murinum Scott D. White 1996-4-21 3937 Los Angeles Geneva Ave., north of San Jose, south of Arrow Hwy, west of Indian Hill Blvd., east of Towne Ave. 323 Comment
  UCD86246  Hordeum murinum subsp. leporinum G. T. Nordstrom 1935-4-6 431 Los Angeles 1.5 miles W of Gorman. 1249 Comment
  POM352481  Hordeum vulgare Robert M. Perkins 1935-3-24 54 Los Angeles Los Angeles Comment
  UCR189741  Hordeum vulgare R. G. Swinney 1998-7-10 6384 Los Angeles San Gabriel Mtns., SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2 2250 Comment
  VVC564  Hordeum vulgare B. G. Pitzer 1996-4-20 2706 Los Angeles Western Mojave Desert, Antelope Valley, N side of Hwy 138 (Ave. "D"), ca. 2 mi. west of Neenach (ca. 30 mi. W of Hwy 14) 915 Comment
  POM293791  Horkelia cuneata subsp. puberula Lyman D. Benson 1945-5-11 11713 Los Angeles Canyon below Johnson's Pasture, Claremont. 549 Comment
  CAS-BOT-BC532291  Horkelia cuneata var. puberula Dr. H. E. Hasse 1888-7-10 s.n. Los Angeles Southern California, Glendale Comment
  CAS-BOT-BC532301  Horkelia cuneata var. puberula John I. Carlson 1918-4-26 s.n. Los Angeles Country adjacent to Los Angeles, Griffith Park Comment
  CAS-BOT-BC213005  Hosackia crassifolia Steve Boyd; Lauren Raz 1997-5-20 9822 Los Angeles Liebre Mountains Region: Southeastern flank of Liebre Mountain, along ridge dividing Fish Canyon and Bear Canyon drainages, 1737 Comment
  RSA771312  Hypochaeris glabra R. F. Thorne, Percy C. Everett 1965-5-12 34633 Los Angeles Santa Catalina Island, upper end of Middle Canyon. 305 Comment
  SBBG31092  Hypochaeris glabra R. F. Thorne 1966-4-29 36305 Los Angeles Airport Rd before turnoff to Middle Ranch Cyn 457 Comment
  SEINET3876145  Iris longipetala Bonnie C. Templeton 1947-7-1 4399 Los Angeles Fraser Mt., mount Pinas region.; 0 Comment
Read comments
Feb 17 2015
  SBBG62879  Isocoma acradenia R. Hoffmann 1927-9-23 Los Angeles Lancaster Comment
  RSA0110555  Isocoma menziesii Steven A. Junak, Keri Kirkland 1997-11-15 SCa- 485 Los Angeles Santa Catalina Island: 1 mile NW of Cactus Peak, at E end of conspicuous limestone ridge. 387 Comment
  RSA318986  Isocoma menziesii var. sedoides Thomas S. Elias, Walter Wisura 1984-7-25 8523 Los Angeles N of Malibu, Point Dume, Comment
  CAS-BOT-BC311715  Isocoma menziesii var. vernonioides Marcus E. Jones 1900-7-12 s.n. Los Angeles Long Beach Comment
  JEPS26119  Isocoma menziesii var. vernonioides Peter H. Raven and Henry J. Thompson 1959-9-19 13720 Los Angeles US Hwy 101 0.2 mi e of turn to Zuma Beach; Santa Monica Mountains 45 Comment
  RSA639353  Isoetes nuttallii L. C. Wheeler 1934-3-11 2436 Los Angeles 1/2 mi. E Puddingstone Dam, San Jose Hills. 274 Comment
  UC1211082  Isomeris arborea Huron H. Smith 1912-5-30 5033 Los Angeles road to Cherry Canyon, Santa Catalina Island; Santa Catalina Island 7 Comment
  UC212647  Isomeris arborea I. Johnston 1917-4-11 Los Angeles Dominguez Mesa Comment
  UC420498  Isomeris arborea Geo. B. Grant 1901-1 615 Los Angeles Santa Catalina Island Comment
  UCR184099  Isomeris arborea A. C. Sanders 2007-4-13 33404 Los Angeles Tehachapi Mtns. Foothills, southeast of National Cement Plant, along creek just below Kern Co. line 1006 Comment
  UCR205842  Iva axillaris R. G. Swinney 2008-6-9 8976 Los Angeles San Gabriel Mtns., mouth of Sandrock Creek, 0.26 mi. (air) south of Valyermo post office 1137 Comment
  RSA85608  Ivesia santolinoides F. W. Peirson 1921-6-16 s.n. Los Angeles Summit of Mt. Waterman Ridge 2287 Comment
  SBBG79827  Jaumea carnosa F. R. Fosberg 1931-5-18 4895 Los Angeles Little Harbor, up cyn a little distance on bottom 4 Comment
  CATA3211  Jepsonia malvifolia Julie L. King 2016-11-29 30 Los Angeles Santa Catalina Island: West side of Empire Landing Rd., about 250 meters by road from NW junction with Quarry Haul Rd. 118 Comment
  POM199723  Juglans californica I. W. Clokey, Bonnie C. Templeton 1929-04 4465 Los Angeles Mandeville Canyon, Santa Monica Mts. 350 Comment
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Jan 1 2012
  RSA780934  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37167 Los Angeles Pomona, between Mt. San Antonio College and Cal Poly Pomona on Temple Ave., at crest of pass 245 Comment
  CAS-BOT-BC101915  Juglans californica Alice Eastwood 1939-4-16 18912 a Los Angeles Santa Ana Botanic Garden Comment
  LA200580  Juglans californica var. californica A. M. Johnson; 1934-3-24 4384 Los Angeles Santa Monica Mountains, Sepulveda Canyon 152 Comment
  SD240766  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37166 Los Angeles San Gabriel Valley: Arroyo Hondo, near the shooting range, 0.42 miles due W of Rosemead Blvd., 0.26 miles due S of Hwy 60 (El Monte 7.5'Q) 64 Comment
  CAS-BOT-BC109875  Juncus J. Ewan 1934-8-10 8432 Los Angeles San Gabriel Mountains. On slope (precisely northwest) of Mount Waterman. 2286 Comment
  IRVC28561  Juncus acutus subsp. leopoldii A. C. Sanders 2003-8-6 27123 Los Angeles Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle NE end of Santa Susana Mtns. 280 Comment
  UC519886  Juncus ambiguus A. M. Johnson 1928-4-7 295 Los Angeles Los Angeles River bottom Griffith Park Comment
  SBBG77274  Juncus bufonius F. R. Fosberg 1931-5-4 4751 Los Angeles Middle Ranch Cyn, second bridge below Eagle's Nest 140 Comment
  RSA600750  Juncus bufonius L. C. Wheeler 1967-6-15 9833 Los Angeles San Gabriel Mountains: North slope foothills between Bouquet Junction and Bonelli Ranch. 366 Comment
  RSA611959  Juncus bufonius var. occidentalis L. C. Wheeler 1953-03 7031 Los Angeles San Gabriel River at Whittier Narrows Dam. Comment
  RSA737154  Juncus dubius Scott D. White, Justin M. Wood 2008-10-7 12553 Los Angeles San Gabriel River- West Fork, between Bear Creek and Rincon Red Box Rd. 549 Comment
  RSA729335  Juncus macrophyllus R. G. Swinney 1999-6-30 7479 Los Angeles Grand View Canyon, c. 1.3mi. north of Big Pines Hwy at All Nations Camp. Riparian zone with Alnus rhombifolia, surrounded by pinyon-juniper woodland. 1561 Comment
  UC2030048  Juncus macrophyllus Louis C. Wheeler 1966-10-1 8940 Los Angeles SAN GABRIEL MOUNTAINS: Millie's Orchard, lower Colby Ranch, Coldwater Canyon. Comment
  CATA3197  Juncus mexicanus Julie L. King 2016-10-26 11 Los Angeles Santa Catalina Island: Cherry Cove salina 1 Comment
  IRVC26835  Juncus rugulosus S. D. White 1997-5-14 5144 A Los Angeles Big Tujunga Wash, Sunland-Tujunga area, SW of 210 Freeway, E of Hansen Dam and N of Wentworth Street. Base of San Gabriel Mtns. 335 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
  UCR189981  Juncus rugulosus R. G. Swinney 1998-9-4 6906 Los Angeles San Gabriel Mtns, Vincent Gap, off trail c. 350 m SE of parking area at spring near canyon bottom 1988 Comment
  CAS-BOT-BC81002  Juniperus californica Carl B. Wolf 1928-3-29 1552 Los Angeles Foothills at south side of Antelope Valley, 2 mi. so. of Neenach 1066 Comment
  RSA587386  Juniperus californica Orlando Mistretta 1992-5-8 283 Los Angeles San Gabriel Mountains. Little Rock Creek. slopes E of Little Rock Creek Reservoir 1067 Comment
  SEINET3860053 Image available Juniperus californica R. G. Swinney 2009-4-24 10464 Los Angeles Transverse Ranges: San Gabriel Mtns./ Mojave Desert: Littlerock Creek, just below Littlerock Creek Dam, in tributary canyon to the east.; 0 1000 Comment
  UCR186924  Juniperus californica A. C. Sanders 2006-4-14 32060 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  HSC35983  Juniperus occidentalis Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-8-19 2181 Los Angeles Beside Hwy. 5, W of junction with Hwy. 138 915 Comment
  RSA172738  Keckiella antirrhinoides Mark Parratt 1962-4-21 178 Los Angeles S facing slope of the wash of Pomona College campus, near steam plant; Claremont.San Gabriel foothills. 366 Comment
  RSA0014581  Keckiella breviflora Orlando Mistretta, Christine Mistretta 2011-6-18 5719 Los Angeles Aliso Cyn drainage, E side of Gleason Cyn on Forest Rd. 4N24. 1508 Comment
  RSA17070  Keckiella breviflora Carl B. Wolf 1936-5-27 7842 Los Angeles Indian Canyon Camp, 2 mi off Soledad Canyon 915 Comment
  CAS-BOT-BC235753  Keckiella cordifolia Jim Shevock 1970-6-2 271 Los Angeles Santa Monica Mts. 426 Comment
  UCR209483  Keckiella cordifolia R. G. Swinney 1969-6-12 579 Los Angeles San Gabriel Mtns., Glendora, 0.5 mi north of Sierra Madre Ave., north of Pennsylvania Ave. 348 Comment
  UCR260627  Keckiella cordifolia R. G. Swinney 2010-8-9 13452 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, Camp Sturtevant Heliport Trail 0 to 0.3 miles ENE of the camp and the jct. of the Mt. Zion Trail and the Sturtevant Trail 427 Comment
  POM155817  Keckiella ternata subsp. ternata M. L. Bryan 1928-4-17 97 Los Angeles Mt. Lowe, San Gabriel Mountains. Comment
  SBBG66601  Keckiella ternata subsp. ternata Anstruther Davidson -Jul-1893 Los Angeles Wilson's Peak Comment
  UC1075817  Kochia scoparia Robert Townsend 1955-8-25 Los Angeles between Dominguez Wilmington (on Alameda St., ca. 150 yds. n. of Carson St. intersection, on R.R. right-of-way) Comment
  RSA0108947  Kopsiopsis strobilacea Robert F. Thorne, Mae Z. Thorne 1968-11-9 37862 Los Angeles San Gabriel Mts., Angeles National Forest. On summit crest of Mt. Williamson. 2499 Comment
  UCR166084  Krascheninnikovia lanata Dat Tien 2004-5-1 s.n. Los Angeles Western Mojave Desert, Antelope Valley, c. 9 mi NE of Littlerock and c. 4 mi west of Lake Los Angeles (housing development) 884 Comment
  CATA1417  Lactuca saligna Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1995-11-11 2573 Los Angeles Santa Catalina Island: Below Wrigley Garden entry gates, by fire hydrant, upper Avalon Canyon 106 Comment
  SEINET10625746  Lagenaria siceraria Heidi H. Schmidt, M. R. Weed 1999-10-12 Schmidt 3893 Los Angeles City of Santa Monica. Yaohan: 3760 Centinela Avenue: Santa Monica, CA: 90066: (310) 398-2113 - phone. 20 Comment
  POM352653  Lamarckia aurea Edwin Kline 1920-6-1 20336 Los Angeles Near Los Angeles. Comment
  SBBG95462  Lamarckia aurea M. B. Dunkle 1928-2-12 1702 Los Angeles Salta Verde 213 Comment
  SEINET3129413  Lamarckia aurea L. R. Abrams 1903-4-9 3244 Los Angeles Inglewood Comment
  UC407311  Lamarckia aurea LeRoy Abrams 1903-4-9 3244 Los Angeles Inglewood Comment
  UC818677  Lamarckia aurea Agnes Chase Apr 12 1910-Apr 15 1910 5543 Los Angeles Playa del Rey, (upper beach) Playa del Rey Comment
  UCR126566  Lantana montevidensis A. C. Sanders, Andy Thomson 2003-4-15 26009 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, south edge of Magic Mountain theme park, 0-400 ft. from fence 396 Comment
  CAS-BOT-BC352909  Lasthenia coronaria Alice Eastwood 1906-5-27 270 Los Angeles Roscoe Comment
  POM5999B  Lasthenia coronaria C. F. Baker 1903-8-13 4091 Los Angeles Claremont Comment
  UC30428  Lasthenia gracilis J. Burtt Davy May 9 1896-May 24 1896 2518 Los Angeles Manzana Antelope Valley, Manzana Comment
  UC472255  Lasthenia gracilis C. F. Millspaugh 1920-3-14 4780 Los Angeles Isthmus Cove Santa Catalina Island, Isthmus Cove Comment
  RSA756580  Lasthenia gracilis Orlando Mistretta, Christine Mistretta 2008-4-3 2280 Los Angeles Southern California Edison transmission line tower (Segment 5, Structure 63, per TRTP survey 2008) just North of State Hwy 14 in the vicinity of Soledad Pass Comment
  RSA161233  Lathyrus tingitanus P. H. Raven 1962-5-20 17765 Los Angeles Santa Catalina Island, Airport Road on main ridge about 1.5 miles west of Middle Ranch turn-off. Comment
  UC1211104  Lathyrus vestitus var. vestitus Huron H. Smith 1912-5-17 4963 Los Angeles Eaton Canyon Mt. Wilson 426 Comment
  UCR205529  Lavatera cretica A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36911 Los Angeles San Gabriel Valley, South El Monte, north side of San Gabriel River between Peck Rd. and Hwy 60, adjacent to storage facility under SCE power lines 73 Comment
  UC54050  Layia glandulosa Louis A. Greata 1903-5-1 319 Los Angeles near Pasadena; Arroyo Seco Comment
  CAS-BOT-BC377809  Layia platyglossa C. F. Baker 1904-4-15 4177 Los Angeles Claremont Comment
  CATA2980  Layia platyglossa Peter J. Dixon 2015-2-19 011 Los Angeles Santa Catalina Island: Near Two Harbors, on ridge 1.5 miles SSE of village of Two Harbors. 320 Comment
  SBBG50381  Layia platyglossa R. M. Beauchamp, M. Douglas 1972-3-24 3249 Los Angeles above Pyramid Cove 150 Comment
  SEINET11805149  Layia platyglossa subsp. campestris L. M. Mayer, Mayer, I. J. 1974-1 139 Los Angeles at intersection of La Tuna Canyon Rd. & Glenoaks Blvd, Sun Valley Comment
  SD87762  Lemmonia californica F. W. Peirson 1921-6-14 2421 Los Angeles Tujunga Comment
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Mar 26 2016
  RSA300979  Lepechinia fragrans D. C. Michener, Walter Wisura 1982-8-7 4169 Los Angeles San Gabriel Mtns: Northeast-facing ridge between Wolfskill & West Fork of Palmer canyons. 1220 Comment
  SBBG31066  Lepechinia fragrans R. F. Thorne 1966-4-29 36329 Los Angeles below rd to White's Landing above turn-off to Echo Lake 411 Comment
  RSA0107838  Lepechinia fragrans Steven A. Junak 2000-5-19 Sca- 1327 Los Angeles Santa Catalina Island. Just W of road out to 1st ridge, W of Twin Rocks ridge. 305 Comment
  RSA97668  Lepechinia fragrans R. M. Straw 1954-6-16 612 Los Angeles 0.5 mi. above ranger station, on old road in chaparral; Angeles Crest Hwy, San Gabriel Mountains. Comment
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Dec 11 2014
  UCR282436  Lepidium D. E. Bramlet, Robt. L. Allen 2011-5-24 4845 Los Angeles Coastal Plains and Basins; Los Angeles Basin, Whittier Narrows Recreation Area, 75 ft west of Siphon Road, 435 ft. south of Durfee Rd. & 3515 ft NW of the San Gabriel River 64 Comment
  SD253418  Lepidium fremontii R. G. Swinney 2011-4-1 14302 B Los Angeles San Gabriel Mountains/SW Mojave Desert: WSW of Littlerock, Cheseboro Canyon , 0.4 mile south of California Aqueduct, 20-200 m west of Cheseboro Road (Palmdale 7.5'Q) 890 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
  CAS-BOT-BC12478  Lepidium nitidum Florence Youngberg 1937-4-1 s.n. Los Angeles Puddingstone, near San Dimas. Comment
  SBBG127975  Lepidium strictum M. L. Hoefs, S. A. Junak 1996-5-1 2708 Los Angeles Avalon Cyn Rd by horse stable 24 Comment
  SEINET13203170 Image available Lepidium virginicum R. G. Swinney 2010-1 12483 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. (San Fernando 7.5' Q.) (T3N R15W S20) 488 Comment
  RSA482196  Lepidospartum squamatum Richard Noyes 1987-9-19 424 Los Angeles San Antonio Canyon 0.5 miles north of hwy tunnels 1158 Comment
  RSA730953  Leptochloa fusca subsp. uninervia Gary D. Wallace 1979-5-2 1834 Los Angeles Arcadia: Vacant lot, SW corner of Baldwin Ave. & Foothill Blvd. Comment
  UCR271195  Leptosiphon breviculus R. G. Swinney 2011-6-6 14988 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  RSA609042  Leptosiphon breviculus L. C. Wheeler 1968-5-12 s.n. Los Angeles Divide between Punchbowl Canyon and Watkins Creek, at end of road and beginning of Burkhart Trail. 1585 Comment
  RSA67059  Leptosiphon breviculus Verne Grant, Alva Grant 1951-6-15 16056 Los Angeles Big Pines to Inspiration Point. 2134 Comment
  RSA78095  Leptosiphon breviculus Verne Grant, Alva Grant 1953-6-24 18498 Los Angeles San Gabriel Canyon, San Gabriel Mts. Comment
  IRVC28594  Lessingia glandulifera A. C. Sanders, Mark Elvin 2002-6-19 25192 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
  CAS-BOT-BC339274  Lessingia glandulifera var. glandulifera Fordyce Grinnell, Jr. 1916-9-2 s.n. Los Angeles San Gabriel Mts. - near Pasadena Comment
  SBBG125871  Lessingia glandulifera var. glandulifera A. Parikh, N. Gale 2010-6-10 3273 Los Angeles Sierra Pelona, NW of Vincent and Soledad Pass, 2.8 km NW of State Hwy 14; E Liebre Mtns 1106 Comment
  SFV4017  Lessingia glandulifera var. glandulifera M. L. Vincent 1962-10-4 297 Los Angeles San Gabriel Mountains Lost Canyon Road, 0.25 miles north of Sand Canyon. 475 Comment
  UCR259920  Lessingia glandulifera var. glandulifera R. G. Swinney 2010-6-1 13080 Los Angeles San Gabriel Mountains, Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1098 Comment
  CAS-BOT-BC339564  Lessingia glandulifera var. peirsonii John Thomas Howell 1927-11-13 3200 Los Angeles 1 1/2 miles east of Elizabeth Lake, Liebre Mts. 914 Comment
  SBBG118769  Lessingia glandulifera var. peirsonii L. Gross with P. Morton 2004-6-9 1333 Los Angeles W end of the main crest, S from Pacific Crest Trail along rd (7N23) past the 2nd PC Trail that exits off N of the rd, W of Bear Gulch Camp; T7N R17W S12,11,10and3 1688 Comment
  RSA754193  Leymus condensatus Ellen Mackey, Blake Whittiington 2006-10-11 NFWF- 1791 Los Angeles [Unspecified] 449 Comment
  UC817472  Leymus triticoides F. R. Fosberg 1931-5-18 S 4991 Los Angeles Little Harbor Santa Catalina Island 2 Comment
  SEINET10926851  Leymus triticoides Frank W. Gould 1941-5-11 Gould 2341 Los Angeles In vacent lot near Compton Junior College, Compton. Comment
  POM1732  Lilium humboldtii subsp. ocellatum Otis Hiatt 1916-6-3 s.n. Los Angeles Santa Monica Mountains. Comment
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Sep 25 2015
  RSA0106320  Lilium humboldtii var. bloomerianum Lyman Benson 1954-6-27 15300 Los Angeles Little Dalton Canyon above Glendora. Mt. Range: San Gabriel. 426 Comment
  UCR229154  Linanthus aureus Dan S. Cooper 2011-5-5 511- 50 A Los Angeles Western Mojave Desert, Antelope Valley, 5.4 mi southeast (119 deg. ) of Neenach, south of Ripley Reserve, south of Hwy 138 938 Comment
  RSA585334  Linanthus bigelovii T. S. Ross 1991-4-27 4708 Los Angeles Black Butte: rocky easterly and northeasterly slopes. 960 Comment
  SD41523  Linanthus californicus Darley F. Howe 1947-3-22 Los Angeles Topango Canyon, 6.0 miles from ocean. Comment
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May 22 2014
  UCSB42052  Linanthus californicus Palys, Joe 1978-6-3 Los Angeles Next to road, along Angeles Crest Highway, 1/2 mi. south of Mt. Gleason turnoff 914 Comment
  CDA40055  Linanthus californicus T. C. Fuller & T. Suzuki 1958-5-9 s.n. Los Angeles Millard Canyon, Chaney Trail above Altadena. 0 Comment
  RSA747368  Linanthus concinnus Orlando Mistretta 1994-7-12 1405 B Los Angeles 0.9 miles SSE of Mt. Williamson along trail between Islip Saddle and Reed Springs. Site is just NNW of the junction of Angeles Crest Hwy (Hwy 2) amd Hwy 39. 2027 Comment
  LA33441  Linanthus dianthiflorus Peter H. Raven; 1959-4-4 13954 B Los Angeles 24 Comment
  RSA222105  Linanthus dianthiflorus subsp. dianthiflorus Arthur C. Gibson 1971-3-12 2001 Los Angeles In wash beside R.S.A.B.G., Claremont. Comment
  UCR214049  Linanthus dichotomus A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37971 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
  RSA598139  Linanthus dichotomus subsp. dichotomus V. W. Steinmann, T. S. Ross 1995-5-8 670 Los Angeles Liebre Mountains, slopes between Leona Valley and Lost Valley 1100 Comment
  RSA702374  Linanthus liniflorus Scott D. White, Pam De Vries 2004-5-18 10416 Los Angeles Eastern Santa Susana Mtns. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  RSA607218  Linanthus pungens L. C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mountains: South side Devil's Canyon. 1402 Comment
  UCR214039  Linanthus pygmaeus A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37967 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
  SEINET12219415  Lithophragma affine subsp. mixtum J. F. Bright 1934-1 9251 Los Angeles Santa Monica Coast Range Comment
  RSA602978  Lithophragma bolanderi Louis C. Wheeler 1967-5-23 9673 Los Angeles San Gabriel Mountains: Ravine immediately southwest of mouth of Bear Canyon, off Soledad Canyon. 640 Comment
  RSA279077  Lithophragma bolanderi R. F. Thorne, C. W. Tilforth 1971-4-9 41524 Los Angeles San Gabriel Mountains, Angeles National Forest: San Dimas Canyon. 427 Comment
  POM209900  Lobelia dunnii var. serrata Victor Duran 1933-8-12 3548 Los Angeles South Fork, Big Rock Creek, San Gabriel Mountains 1524 Comment
  RSA562624A  Loeflingia squarrosa subsp. artemisiarum D. Charlton 1991-5-18 5182 Los Angeles Piute Ponds, Edwards Air Force Base. Old Homestead road just east of ponds, south of Rosamond Dry Lakebed. 701 Comment
  RSA251487  Lolium perenne subsp. multiflorum R. F. Thorne 1973-4-12 42982 Los Angeles San Clemente Island, just SE of Airfield Operations. 61 Comment
  UC1714475  Lolium temulentum D. L. Crawford 1916-3-28 Los Angeles Santa Monica Comment
  SEINET7062868  Lomatium A. G. Vestal 1947-4-8 s.n. Los Angeles Open bush country. Sierra Pelona Valley. Vasquez Rocks County Park. (WGS84/NAD83). UTM Zone 11, 377983mE, 3815837mN. 698 Comment
  LA201144  Lomatium dasycarpum Martha Hilend; M. Canby Reis 1933-5-17 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  UC1605266  Lomatium dissectum var. multifidum Tim Ross and Steve Boyd 1994-5-4 7676 Los Angeles Dogwood Canyon - narrow canyon draining n.e. to Burns Canyon from the n.e. summit of Grass Mt.; Liebre Mts., Lake Hughes Quad., Dogwood Canyon 1267 Comment
  RSA746901  Lomatium lucidum R. G. Swinney 2005-4-23 8221 Los Angeles Glendora, 0.5 mi. north of north end of Rainbow Dr., west of and adjacent to West Bender Canyon 556 Comment
  UCR209488  Lomatium mohavense R. G. Swinney 2008-6-17 9040 Los Angeles San Gabriel Mountains, Pinyon Ridge, 4.4 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway, 1.6 mi. west of peak 6535 1952 Comment
  RSA589174  Lomatium mohavense subsp. mohavense T. S. Ross 1991-4-28 4783 Los Angeles Adobe Mountain: Southwesterly extension of the mountain. 926 Comment
  RSA141569  Lonicera hispidula var. vacillans Percy C. Everett 1960-9-27 24293 Los Angeles Santa Catalina Island, ridge road to airport 366 Comment
  JEPS97686  Lonicera subspicata var. denudata Annetta M. Carter, Arthur Carter 1935-9-8 954 Los Angeles Canyon at head of Auburn Ave. Sierra Madre. 381 Comment
  SD39393  Lonicera subspicata var. denudata Edith A. Purer 1931-5-8 Los Angeles Griffith Park Comment
  UCR121252  Lotus J. R. Ekhoff 2001-5-16 s.n. Los Angeles Channel Islands, north end of San Clemente Island, around new nursery 500 ft. south of Natural Resources office on south side of base headquarters, c. 1.5 mi. SE of airfield 30 Comment
  UCR231798  Lotus argophyllus Darren T. Hasegawa 2007-4-21 s.n. Los Angeles San Gabriel Mtns, Eaton Canyon Park, Angeles National Forest, c. 2 mi. north of I-210 366 Comment
  RSA90045  Lotus argophyllus subsp. ornithopus F. W. Peirson 1923-4-9 3468 Los Angeles San Clemente Island: about 2 miles SE of Wilson's cove Comment
  RSA753988  Lotus crassifolius var. crassifolius Unspecified 680621 Los Angeles Angeles National Forest, Upper Chialo Campground 1616 Comment
  RSA515122  Lotus dendroideus var. traskiae Aaron Liston, Orlando Mistretta, Loren Rieseberg 1989-4-30 805 -5 Los Angeles San Clemente Island. Waynuk Canyon, W slope of island. Comment
  RSA592377  Lotus dendroideus var. traskiae Mark Hoefs, Doug Propst 1973-3-14 82 Los Angeles Cape Canyon, Santa Catalina Island. 243 Comment
  NY37285  Lotus dendroideus var. traskiae T. S. Ross 1992-4-14 6158 Los Angeles This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA772362  Lotus heermannii R. G. Swinney 2009-5-8 10698 Los Angeles Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  RSA618784  Lotus humistratus L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon approximately 1/2 mile east of Blum Ranch. 945 Comment
  UCR271197  Lotus nevadensis R. G. Swinney 2011-6-6 14998 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  RSA757665  Lotus procumbens var. procumbens Orlando Mistretta, Christine Mistretta 2008-4-14 2444 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 18 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 946 Comment
  UC15504  Lotus purshianus var. purshianus Harley P. Chandler 1897-6-21 Los Angeles Claremont 365 Comment
  UCR200220  Lotus purshianus var. purshianus Valerie Soza, Ileene Anderson, LeRoy Gross 2000-6-6 975 Los Angeles Verdugo Mountains, southwest side, north of Chandler Fire Road (Verdugo Motorway), north of 'La Tuna,' above Chandler and Fisher canyons, south of La Tuna Canyon 488 Comment
  RSA0114806  Lotus salsuginosus R. G. Swinney 2011-4-26 14478 Los Angeles San Gabriel Mountains; Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir. 378 Comment
  RSA545318  Lotus salsuginosus var. salsuginosus T. S. Ross 1992-5-17 6341 Los Angeles San Gabriel Mountains. Center W side of the San Gabriel Reservoir. Short easterly spur canyon along Highway 39 463 Comment
  RSA0055762  Lotus scoparius R. G. Swinney 2010-4-1 12146 Los Angeles San Gabriel Mountains: Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Mac 399 Comment
  RSA3246  Lotus scoparius C. B. Wolf 1931-6-25 2236 Los Angeles Wash SW of Los Angeles Botanic Garden, along Beverly Blvd. (Mandeville Canyon). 61 Comment
  UCR255845  Lotus scoparius subsp. scoparius R. G. Swinney 2010-5-4 12486 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  UCR258813  Lotus scoparius subsp. scoparius R. G. Swinney 2010-5-25 12976 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR76416  Lotus scoparius subsp. scoparius T. S. Ross, Matthew Bell 1992-3-22 6052 Los Angeles Western Transverse Range; Santa Monica Mountains, west side of Yerba Buena Road c. 360 m NNW of intersection with Mullholand Hwy 488 Comment
  RSA727384  Lotus scoparius var. brevialatus R. G. Swinney 1998-5-16 6101 Los Angeles San Gabrial Mountains/Mojave Desert: near Pinon Hills, Mescal Highlands, Graham Canyon, 1.7 mi. N of Panorama Way at Graham Cyn. Motorway, 0.6 mi. S of Ft. Tejon Rd. 1220 Comment
  RSA0081708  Lotus strigosus R. G. Swinney 2011-7-21 15551 Los Angeles Strawberry Peak summit. 1860 Comment
  RSA0113232  Lotus strigosus R. G. Swinney 2011-3-29 14272 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
  RSA0117147  Lotus strigosus Mitchell Provance, Stephen Reynolds 2011-5-5 17213 Los Angeles San Gabriel Valley: City of San Gabriel, northwest of the itnersection of Burton Ave. and E. Las Tunas Dr. Beneath the SCE power lines. 130 Comment
  UC1595394  Lotus strigosus Tim Ross and Peter Fritsch 1990-6-20 3678 Los Angeles ridgetop between West Fork San Gabriel River and Roberts Canyon (Rincon-Red Box Rd (2N24)); San Gabriel Mountains 1328 Comment
  UCR126719  Lotus strigosus A. C. Sanders, Mark Elvin 2003-4-14 25949 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
  UCR223722  Lotus strigosus R. G. Swinney 2009-6-8 11109 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy 1720 Comment
  RSA598080  Lotus strigosus T. S. Ross 1990-6-25 3775 Los Angeles Ridgetop to the W of Crystal Lake (ridge descending SSW from Mt. Islip) 1884 Comment
  RSA592212  Lotus wrangelianus L. C. Wheeler 1967-5-12 9457 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA611628  Lotus wrangelianus Steve Boyd, Valerie Soza, Mike Kinney, J. Mark Porter 1998-3-24 10110 Los Angeles Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon. 609 Comment
  RSA0107270  Lotus wrangelianus Steven A. Junak, Mark Hoefs, Lisa Stratton 1998-6-11 SCa- 715 Los Angeles Santa Catalina Island. Along horse trail/fire road on E side of Avalon Canyon, across from Quail Canyon and above baseball field. 107 Comment
  RSA0085063  Lupinus Justin M. Wood 2009-4-10 477 Los Angeles City of San Dimas; San Dimas Wash just above the Puddingstone Diversion Dam and adj to the golf course. 351 Comment
  CDA27364  Lupinus albifrons D. G. Kelch 1991-3-23 1300 Los Angeles Catalina Island. East of Avalon. Comment
  UCR6033  Lupinus albifrons K. S. Gill 1965-3-20 s.n. Los Angeles San Gabriel Mountains, Foothills of Mt. Baldy, 2 mi N of Claremont 366 Comment
  RSA0105023  Lupinus andersonii R. G. Swinney 2011-6-22 15271 Los Angeles San Gabriel Mountains: 1/4 mile north of entrance to Charlton Flat, 8 m west of Angeles Crest Hwy shoulder. 1659 Comment
  UCR159698  Lupinus andersonii Orlando Mistretta 1993-7-5 919 Los Angeles Transverse Ranges; San Gabriel Mtns, Bear Canyon Trail to Mt. Baldy 2049 Comment
  SEINET2062839 Image available Lupinus arizonicus Norman C. Cooper 1948-4-21 2719 Los Angeles Saugus 762 Comment
  UCR272545  Lupinus bicolor R. G. Swinney 2011-5-6 14582 Los Angeles San Gabriel Mountains, north of Glendora, Glendora Mountain summit along old fire break 1013 Comment
  UCR280866  Lupinus bicolor R. G. Swinney 2014-5-19 16556 Los Angeles San Gabriel Mountains, Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Motorway 515 Comment
  RSA709672  Lupinus bicolor LeRoy Gross 2005-4-28 2165 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
  SFV4371  Lupinus bicolor D. B. Dunn 1941-3-23 919 Los Angeles Eagle Rock. On the hill above Ridgeview. Comment
  UC1203739  Lupinus bicolor Dave Dunn 1941-3-29 967 Los Angeles Huntington Drive and Rosemead Blvd. (beside the Red Car Tracks) Comment
  CAS-BOT-BC187880  Lupinus chamissonis G. L. Moxley 1921-6-22 1007 Los Angeles About a mile S of Playa del Rey Comment
  RSA442332  Lupinus chamissonis Robert M. Perkins 1935-3-31 14 Los Angeles Playa del Rey. Comment
  RSA0098783  Lupinus concinnus R. G. Swinney 2011-6-1 14944 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
  RSA590869  Lupinus concinnus Orlando Mistretta 1994-4-12 994 Los Angeles San Gabriel Mountains: Little Rock Creek. Slopes E of Little Rock Reservoir. 976 Comment
  RSA617366  Lupinus concinnus Steve Boyd, Richard K. Brummitt, Laura Moore 1998-5-26 10231 Los Angeles Liebre Mountains region: Warm Springs Mountain, knoll northwest of summit along road into Necktie Basin. 1133 Comment
  OBI69327  Lupinus concinnus John Knapp, Denise Knapp 2003-5-10 66 Los Angeles Catalina Island, 367196.09N x 3695593.63E 274 Comment
  RSA0115073  Lupinus concinnus Steven A. Junak, Keri Kirkland 2001-4-13 SCa- 1436 Los Angeles Santa Catalina Island. At top of coastal bluffs, overlooking Empire Quarry site. 238 Comment
  SEINET10488646  Lupinus concinnus H. Lewis 1946-5-2 Lewis s.n. Los Angeles Collected on catalina island at whitley ave. At canyon, on hillside back of Town. Comment
  UCR43342  Lupinus elatus David Charlton 1986-6-15 265 Los Angeles San Gabriel Mtns, Lightning [=Blue?] Ridge at the intersection of Forest Rd. 3N06 and Angeles Crest Hwy, c. 4 mi NW of the San Bernardino Co. line and 5 mi NW of Wrightwood 2256 Comment
  UCR223747  Lupinus excubitus subsp. austromontanus R. G. Swinney 2009-6-24 11227 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  UC1481360  Lupinus excubitus var. hallii David B. Dunn 1957-5-18 RSA 6454 Los Angeles Comment
  SD157643  Lupinus formosus Darley F. Howe Apr 1915 64 Los Angeles Claremont Comment
  RSA250345  Lupinus formosus var. formosus R. F. Thorne, C. W. Tilforth, John Dourley, R. Scoggin 1972-8-11 42208 Los Angeles Mt. Waterman: East end of Mt. Waterman ridge 2317 Comment
  SBBG38749  Lupinus hirsutissimus M. B. Dunkle 1939-4-6 7299 Los Angeles Mosquito Harbor Comment
  UCR255837  Lupinus hirsutissimus R. G. Swinney 2010-3-10 11833 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  RSA607213  Lupinus latifolius subsp. latifolius L. C. Wheeler 1968-5-31 s.n. Los Angeles Devil's Canyon, Campground vicinity. 1220 Comment
  RSA350144  Lupinus latifolius subsp. parishii Wesley O. Griesel 1986-5-14 s.n. Los Angeles Upper Placerita Canyon, beside dense alder thicket. 640 Comment
  RSA584881  Lupinus latifolius subsp. parishii T. S. Ross 1990-6-1 2783 Los Angeles San Gabriel Mountains, Magnetic Springs: in Moody Canyon (ca 2.15 air-miles NW of Mt Gleason) 1195 Comment
  UC440473  Lupinus longifolius Carl Epling and Lincoln Ellison 1929-4-27 Los Angeles Topango Canyon Comment
  RSA91317  Lupinus longifolius F. W. Peirson 1921-4-10 7723 Los Angeles San Dimas Canyon, south base of San Gabriel Mts 442 Comment
  SEINET10485639  Lupinus longifolius Donald R. Bissing 1973-6-2 Bissing 134 Los Angeles Evey Canyon. In brushy area of stream bed .1 mile from mouth of canyon. 707 Comment
  RSA413532  Lupinus microcarpus var. densiflorus Tom Burch 1940-4-21 s.n. Los Angeles Bouquet Canyon, near Saugus. 610 Comment
  SBBG69044  Lupinus microcarpus var. densiflorus R. Hoffmann 1925-4-19 Los Angeles E side of Bouquet Cyn Comment
  SBBG89132  Lupinus microcarpus var. microcarpus A. C. Sanders, E. J. Lawlor 1988-4-3 7742 Los Angeles 1 mi NW of Gorman on a gasline rd, 0.4 mi above the old hwy 1280 Comment
  SD234956  Lupinus microcarpus var. microcarpus A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al 2003-4-28 26124 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 487 Comment
  UCSB3333  Lupinus odoratus Ralph, F. 1960-4-1 Los Angeles N side of Calif. Hwy. 138, 9.0 miles E of its jct. with road to Valyermo and Big Pines E of Pearblossom and 0.6 miles W of jct. of the road to Victorville Comment
  SD181512  Lupinus peirsonii LeRoy Gross, Michael Denslow 2003-6-4 998 Los Angeles Transverse Ranges, San Gabriel Mountains region, southeast of Dawson Saddle, north side of Angeles Crest Highway (Higway2); Crystal Lake quad. Along road, east of saddle, northeast-facing direction. 2439 Comment
  RSA0064301  Lupinus sparsiflorus Daisie Huang 2008-4-1 08040102 Los Angeles Road to Lake Piru Recreation Area. 94 Comment
  UCR191286  Lupinus sparsiflorus T. B. Salvato 2008-4-22 3301 Los Angeles Transverse Range; Northwestern San Gabriel Mountain Foothills/Mojave Desert, east of Neenach in the Antelope Valley, south of Hwy 138 and west of 265th Street, slopes west of Pine Canyon 1006 Comment
  CATA24  Lupinus succulentus Mark L. Hoefs, A. Douglas Propst 1973-3-3 9 Los Angeles Santa Catalina Island: Airport Road above White's Landing, channel slope, north exposure 335 Comment
  LA82130  Lupinus succulentus O. H. Kappler; 1941-3-14 122 Los Angeles Santa Monica Mountains, Benedict Canyon, N of Beverly Hills 182 Comment
  RSA414306  Lupinus succulentus Robert Gustafson 1981-4-29 2218 Los Angeles Ballona Wetlands, Area 1. Comment
  SEINET3131621  Lupinus succulentus Unknown 715 Los Angeles Vernon Comment
  RSA0097614  Lupinus truncatus R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14332 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg ) NNW of the trailhead 451 Comment
  UCR271794  Lupinus truncatus R. G. Swinney 2010-3-24 12045 Los Angeles San Gabriel Mountains, Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  UCR273207  Lupinus truncatus R. G. Swinney 2011-4-26 14499 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  SBBG70672  Lycium andersonii R. Hoffmann 1927-6-14 Los Angeles Palmdale Comment
  CAS-BOT-BC233472  Lycium californicum Dr. Barton W. Evermann 1918-3-25 s.n. Los Angeles San Clemente Isl. Comment
  RSA711794  Lycium cooperi LeRoy Gross 2005-5-3 2206 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
  SBBG70689  Lycium cooperi R. Hoffmann 1932-4-3 Los Angeles Palmdale Comment
  SEINET2042302 Image available Lycium cooperi B. Pitzer 1998-5-12 3688 Los Angeles Western Mojave Desert; ca. 18.3 air mi. NW of Adelanto, on dirt road, 0.3 mi E of 240th St. East. Ca. 6.8 mi N of intersection with El Mirage Road, and ca. 3.2 mi S of Avenue J (N5). (Adobe Mountain 7.5'Q) 890 Comment
  CDA5784  Lycium ferocissimum David S. Verity 1978-9-12 Los Angeles Ballona Creek. 0 Comment
  SD112022  Lyonothamnus floribundus subsp. aspleniifolius Betsy Carpenter, Linda Allen 1975-3-21 Los Angeles Santa Catalina Island, on ridge 3 miles from Little Harbor Comment
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Nov 20 2012
  CAS-BOT-BC142279  Lyonothamnus floribundus subsp. floribundus Reid Moran 1941-2-28 652 Los Angeles Head of Johnson's Canyon - Santa Catalina Island Comment
  RSA589777  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given, Gay 1994-8-3 8196 Los Angeles Santa Catalina Island. Upper Cherry Valley, W of the Isthmus. 128 Comment
  SBBG26565  Lyonothamnus floribundus var. floribundus M. R. Benedict 1965-12-12 Los Angeles 1.5 mi SW of Johnson's Landing Comment
  UC54953  Lythrum californicum H. P. Chandler 1902-9-9 2036 Los Angeles Ballona Marsh Comment
  UC187706  Madia exigua Katharine Brandegee May 17 1916-May 25 1916 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC343066  Madia gracilis L. R. Abrams 1901-6-4 1710 Los Angeles Las Tunas Canon [La Tuna Canyon], S. Monica Mts Comment
  RSA188028  Madia gracilis R. F. Thorne 1966-4-28 36248 Los Angeles Santa Catalina Island: Hay Press area. 427 Comment
  UCR281025  Madia gracilis Mitch Provance 2017-6-29 617- 49 Los Angeles Catalina Island, Middle Canyon, E of McGee Lake, 0.2 miles SE of Middle Ranch Rd. and Cape Canyon Trail 207 Comment
  RSA725843  Maianthemum stellatum Richard G. Swinney 1997-7-16 5667 Los Angeles Buford Canyon, 0.5 mi. W of San Barnardino Co. line, S of Hwy 2 and Swarthout Valley, 2 air mi. W of Wrightwood 1921 Comment
  CAS-BOT-BC203921  Malacothamnus clementinus Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-7 4279 Los Angeles San Clemente Island. Lower half of China Cyn, S end of island, W side 182 Comment
  RSA262029  Malacothamnus clementinus Reid V. Moran, Beaquchamp, Oberbauer 1975-8-24 22697 Los Angeles San Clemente Island: China Canyon 130 Comment
  RSA526148  Malacothamnus clementinus Steve Boyd, Ross, Arnseth 1990-4-6 4142 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  CAS-BOT-BC206310  Malacothamnus fremontii I. M. Johnston 1917-8-22 1673 Los Angeles Prairie Fk. of San Gabriel R., San Antonio Mountains 1889 Comment
  RSA535699  Malacothrix foliosa Timothy S. Ross 1991-5-22 5442 Los Angeles San Clemente Island: Spray (Point), W side of island about 5300 feet N of Eel Point. 9 Comment
  SDSU19665  Malacothrix foliosa subsp. foliosa Michael G. Simpson, Adrienne Russell, Jonathan Dunn 2000-7-20 2193 Los Angeles San Clemente Island. Northern tip of island, west of Northwest Harbor, ca. 100 feet from intertidal zone. 3 Comment
  RSA0088252  Malacothrix saxatilis R. G. Swinney 2010-5-25 12962 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  UCD96959  Malephora crocea Earl Brown; Arthur Alcantara 1993-4-8 s.n. Los Angeles Palos Verdes Peninsula, Via Margarita St. off Palos Verdes Drive West. Located on ocean bluff. 30 Comment
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Jul 8 2014
  JEPS66250  Malosma laurina W. L. Jepson 1908-7-13 3049 Los Angeles Santa Catalina, Avalon Comment
  OBI34052  Malosma laurina Mark Schneider 1973-6-1 s.n. Los Angeles Seven Hills Ranch, Tujunga. San Bernardino Mountains. 549 Comment
  UCR108338  Malus sylvestris L. C. Wheeler 1968-8-8 s.n. Los Angeles San Gabriel Mountains, Angeles Crest Hwy on north side of Mount Sally 1524 Comment
  SD53085  Malva assurgentiflora Peter H. Raven 1962-4-11 17303 Los Angeles San Clemente Island; northwest end of island, between Driggs and West Rock. 6 Comment
  HSC15990  Malva parviflora C. S. Apperson 1966-4-4 Los Angeles Pierce College Arboretum, Woodland Hills Comment
  PASA1775  Malva parviflora Sally Ellis 1939-4-23 Los Angeles Claremont Comment
  SBBG129111  Malva sylvestris M. Ries 2001-2-17 Los Angeles Santa Clarita 441 Comment
  UCR142073  Marah A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26114 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam 518 Comment
  RSA440983  Marah macrocarpa H. L. Bauer 1931-5-1 s.n. Los Angeles Topanga Canyon, Santa Monica Mtns Comment
  SDSU5850  Marah macrocarpa R. M. Beauchamp 1967-1-28 137 Los Angeles 1/2 mile southeast of Eel Point; San Clemente Island. Comment
  UCR197186  Marah macrocarpa var. macrocarpa Valerie Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 657 Los Angeles Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. southsouthwest of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 579 Comment
  RSA0086915  Marrubium vulgare R. G. Swinney 2010-5-4 12559 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  RSA654642  Marrubium vulgare Fred Brooks, P. Sobkowiak 1988-4-23 11 Los Angeles San Antonio Canyon, [San Gabriel Mountains] below the first tunnel 915 Comment
  UCR252872  Marrubium vulgare R. G. Swinney 2010-3-10 11800 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes 329 Comment
  RSA409831  Marrubium vulgare Larry E. DeBuhr 1972-9-3 711 Los Angeles San Clemente Island: Horse Canyon, the first canyon west of Thirst Park. 457 Comment
  UC1871025  Marrubium vulgare T. S. Ross 1993-5-20 7193 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mountains: vicinity of Wilson Canyon Saddle; San Fernando quad: R15W T3N NE/4 SE/4 sect 9; elev. ca 3160 ft. 963 Comment
  RSA0081522  Matricaria discoidea R. G. Swinney 2010-3-14 11905 Los Angeles Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road. 447 Comment
  RSA724553  Matricaria matricarioides K. Dobry 1992-4-14 D- 366 Los Angeles Camp Shalom. West Santa Monica Mts along Arroyo Sequit. 5 mi No of Pacific Coast Hwy. Comment
  POM199728  Meconella denticulata I. W. Clokey, Bonnie C. Templeton 1929-04 4428 Los Angeles Mandeville Canyon. 450 Comment
  POM346630  Meconella denticulata Barry Burnell 1971-4-26 331 Los Angeles San Dimas Canyon: 6.2 mi. from intersection of Foothill Road and San Dimas Canyon Road. San Dimas Canyon to Pacific Slope Drainage Area. 480 Comment
  RSA755598  Medicago lupulina R. G. Swinney 2008-7-12 9166 Los Angeles San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  POM349095  Medicago polymorpha Franklin W. Klepinger 1938-3-26 s.n. Los Angeles Santa Susana Pass. Comment
  RSA348057  Medicago polymorpha I. M. Johnston 1917-5-20 1245 Los Angeles Claremont Comment
  POM362465  Melampodium perfoliatum George B. Grant 1904-1 763 Los Angeles Waste places, Pasadena Comment
  POM158020  Melica imperfecta M. B. Dunkle 1928-3-31 1791 Los Angeles Cottonwood Canyon, Santa Catalina Island. Comment
  RSA244894  Melica imperfecta F. R. Fosberg 1931-3-31 4430 Los Angeles Avalon, Santa Catalina Island. Comment
  RSA639721  Melica imperfecta L. C. Wheeler 1968-6-14 s.n. Los Angeles Spring on north side of Blue Ridge by Guffy camp. Comment
  SEINET13386986 Image available Melica imperfecta R. G. Swinney 2010-1 12197 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon (San Fernando 7.5' Q.) (T3N R14W S30) 561 Comment
  UC53402  Melica imperfecta J. Burtt Davy 1896-5-20 2647 Los Angeles Leonis Valley; Eell's Comment
  UCR150870  Melica imperfecta R. G. Swinney, Dave Larson 1999-5-15 7175 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  UC285001  Melica stricta P. A. Munz 1923-5-25 6805 Los Angeles Big Rock Creek; San Gabriel Mts. 1280 Comment
  SBBG113985  Melilotus indicus E. C. Twisselmann 1965-5-18 10859 Los Angeles marsh along the Lancaster Rd, ca. 3 mi SE of Gorman 1097 Comment
  UCR151384  Mentzelia Scott D. White, Kent Hughes 2000-5-16 7844 Los Angeles Transverse Ranges; San Gabriel Mtns region, Northern foothills near Acton; bajada slopes and unnamed ephemeral tributaries to Arrastre Canyon 1098 Comment
  RSA578990  Mentzelia affinis Tim S. Ross, D. L. Banks, J. Mark Porter, Gery Allan, Vanessa Ashworth, Megan Tommerup 1994-3-28 7431 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; ca 2260 m SE of Inspiration Point and 3160 m WNW of Whites Point. 12 Comment
  RSA585344  Mentzelia albicaulis Tim S. Ross 1991-4-27 4637 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (and hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line. 1183 Comment
  RSA604854  Mentzelia albicaulis A. C. Sanders 1988-4-3 7736 Los Angeles 1.3 miles NW of the San Bernardino County line Hwy 138, 2 miles NW of Pinyon Hills. 1159 Comment
  JEPS41224  Mentzelia congesta Frank W. Peirson 1919-6-14 472 Los Angeles San Gabriel Mountains, Rock Creek Comment
  UCR276822  Mentzelia congesta R. G. Swinney 2010-5-21 12881 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  RSA0097180  Mentzelia dispersa R. G. Swinney 2011-6-1 14976 Los Angeles San Gabriel Mountains: north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes'? 1207 Comment
  RSA549519  Mentzelia dispersa Tim S. Ross 1990-6-18 3452 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  UC872487  Mentzelia dispersa Geo. B. Grant Jun 15 1906-Jun 18 1906 Los Angeles summit of Mt. Wilson southern California, San Gabriel Mts. 1828 Comment
  CSUSB1185  Mentzelia laevicaulis Art Whistler 1966-6-23 Los Angeles Near the snowbank seen on this day at 7500' on Ca. Highway 2, past Mount Wilson Road, having driven from Angeles Crest Highway and Foothill Blvd. approx. 46 miles. 2285 Comment
  RSA599710  Mentzelia micrantha Steve Boyd, Lauren Raz, T. S. Ross 1997-4-1 9459 Los Angeles Liebre Mountains region: Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of Osito Flat , a distinctive, open grassy break in slope under the high tension power lines. 793 Comment
  SD69646  Mentzelia micrantha Robert F. Thorne 1966-6-1 36470 Los Angeles Santa Catalina Island; near base of rocky east-facing bluff opposite Pebbly Beach terminal. 7 Comment
  UCR139369  Mentzelia montana I. M. Johnston 1917-7-1 1755 Los Angeles San Gabriel Mtns., Brown's Flat 1372 Comment
  RSA314606  Mentzelia veatchiana Robert F. Thorne, C. W. Tilforth 1973-4-20 43046 Los Angeles San Gabriel Mts., Mojave Desert slopes: 3.2 miles S of Hwy 138 along Grandview Canyon Rd. 1280 Comment
  RSA503196  Mentzelia veatchiana Gary D. Wallace 1966-4-24 496 Los Angeles Along Hwy 138 just 1/2 mile south of where it joins Pearblossom Hwy. 9 miles east of Pearblossom. 762 Comment
  UCR185588  Mentzelia veatchiana A. C. Sanders 2007-4-25 33579 Los Angeles Tehachapi Mtns., Oso Canyon, 0.25 mi. SE of the Kern Co. line along Oso Cyn. Rd. 1159 Comment
  RSA660080  Mentzelia veatchiana Orlando Mistretta 1992-5-25 413 Los Angeles Fenner Canyon Conservation Camp. 1738 Comment
  SEINET6944404  Mentzelia veatchiana W. P. Vestal, A. G. Vestal 1956-3-26 3480 Los Angeles Antelope Valley, east of Fairmont on 110th Street. Comment
  SBBG13705  Mesembryanthemum crystallinum P. H. Raven 1962-7-11 18008 Los Angeles 1 mi S of Wilson Cove Comment
  UC851880  Mesembryanthemum crystallinum F. R. Fosberg 1931-5-18 S 4891 Los Angeles Little Harbor; Santa Catalina Island, Little Harbor 2 Comment
  RSA402638  Mesembryanthemum nodiflorum Anstruther Davidson 1892-06 s.n. Los Angeles Catalina Island. Comment
  RSA402633  Mesembryanthemum nodiflorum Freda Detmers 1933-6-4 s.n. Los Angeles Watch horn Basin near San Pedro. Comment
  RSA710280  Metrosideros kermadecensis A. C. Sanders, Lee Jones 2005-4-8 29364 Los Angeles South Coast: Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente. 2 Comment
  POM363440  Microseris heterocarpa Anstruther Davidson 1905-5-1 1433 Los Angeles Hollywood Comment
  UCR189389  Microseris lindleyi R. G. Swinney 1998-6-12 6188 Los Angeles San Gabriel Mountains, southwest of Pinon Hills, 0.2 mi due east of reservoir at mouth of Mescal Canyon [along Table Mountain Road] 1448 Comment
  POM305747  Mimulus aurantiacus Henry J. Ramsey, Henry J. Ramsey 1937-6-27 946 Los Angeles Little Tujunga Canyon, Summit., Angeles National Forest, San Gabriel Mountains. Comment
  RSA660762  Mimulus aurantiacus J. Doughty 1985-5-19 197 Los Angeles Angeles National Forest, Graveyard Canyon, junction of San Gabriel Road and entrance to Follows Camp. Comment
  UCR207311  Mimulus aurantiacus Darren T. Hasegawa 2007-4-8 s.n. Los Angeles San Gabriel Mtns, Eaton Canyon Park, Angeles National Forest, c. 2 mi. north of I-210 366 Comment
  RSA0087021  Mimulus aurantiacus var. pubescens R. G. Swinney 2010-4-30 12450 Los Angeles Near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn. 537 Comment
  UC1871221  Mimulus aurantiacus var. puniceus T. Ross 1993-4-21 6840 Los Angeles Santa Catalina Island; major E-W ridge between "Carlos" and Cactus Pk 396 Comment
  UC886335  Mimulus aurantiacus var. puniceus F. R. Fosberg 1931-3-31 S 4429 Los Angeles divide between Hamilton Canyon and Descanso Canyon; Santa Catalina Island 40 Comment
  RSA102534  Mimulus brevipes C. S. Williamson 1901-7-24 s.n. Los Angeles Mt. Lowe. Comment
  RSA420658  Mimulus cardinalis M. B. Dunkle 1930-7-13 2433 Los Angeles Grand Canyon, Santa Catalina Island. Comment
  RSA420677  Mimulus cardinalis F. R. Fosberg, Joseph A. Ewan 1931-8-12 5021 Los Angeles Windy Camp Spring, Mt. Islip 2287 Comment
  RSA595807  Mimulus cardinalis Lauren Raz, S. D. Boyd 1996-10-23 44 Los Angeles Liebre Mountains. Ruby Canyon, east of junction of Forest Service Road 6N24 with Lake Hughes Road. Following easterly course of flowing stream. 610 Comment
  RSA652952  Mimulus cardinalis A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23276 Los Angeles Santa Susana Mountains: Aliso Canyon Oil Field, Oat Mountain; Mormon, Limekiln and Aliso Canyon watersheds. 610 Comment
  UCR117557  Mimulus cardinalis A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23276 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 915 Comment
  UCR199986  Mimulus cardinalis Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1362 Los Angeles Transverse Ranges; Verdugo Mountains, Intersection of North Beaudry Motorway and Deer Creek 518 Comment
  RSA250337  Mimulus floribundus Robert F. Thorne, Larry E. DeBuhr 1972-8-18 42237 Los Angeles San Gabriel Mountains, Angeles National Forest: Buckhorn Station along Angeles Crest Highway 2061 Comment
  UC1922304  Mimulus floribundus Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 716 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999. Near 34deg 14' 12.6'' N 118deg 17' 24.7'' W T2N 518 Comment
  RSA295243  Mimulus fremontii J. Doty 1969-5-19 630 Los Angeles Bob's Gap Road, 3.7 miles southeast of its junction with State Highway 138, ca. 10 miles southeast of Pearblosssom. 1098 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
  UCD122724  Mimulus johnstonii David M. Thompson 1986-6-7 494 Los Angeles 3.0 mi SE of Valyerni-Big Pines road along Bug Rock Creek Road, NE side of road. Comment
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Aug 13 2014
  UC557820  Mimulus nasutus Nell Murbarger May, 1936 86 Los Angeles e side San Clemente Island Comment
  UCR223495  Mimulus palmeri R. G. Swinney 2009-6-3 11042 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
  RSA674779  Minuartia douglasii Scott D. White, Kent Hughes 2000-5-16 7851 Los Angeles San Gabriel Mountains: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  SEINET177248  Mirabilis californica M. E. Jones 1882-2-25 3020 Los Angeles Pasadena Comment
  SEINET10478629  Mirabilis laevis Jon Ricketson, Heidi H. Schmidt; Janet Takara 1992-10-20 Ricketson 4800 Los Angeles Santa Catalina Island; Catalina Conservancy Land, The James H. Ackerman Native Plant Nursery. In Middle Canyon, near Middle Ranch and Cape Canyon Trail. 10 miles west of the city of Avalon. Collections made in cooperation with the Catalina Conservancy. 230 Comment
  LA200669  Mirabilis laevis var. crassifolia Flora Murray Scott; May 1926 sn Los Angeles Santa Monica Mountains, Malibu Ranch Comment
  RSA249734  Mirabilis laevis var. crassifolia Robert F. Thorne, M. Z. Thorne 1973-2-12 s.n. Los Angeles Santa Catalina Island. N of marine Science station at Fisherman s Cove. 46 Comment
  UC1430086  Mirabilis laevis var. crassifolia Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-23 22692 Los Angeles near mouth of Red Rock Canyon, San Clemente Island 20 Comment
  CAS-BOT-BC7362  Monardella elmeri Adolph Daniel Edward Elmer 1902-6-1 3681 Los Angeles Acton Comment
  CAS-BOT-BC220127  Monardella exilis Ira L. Wiggins 1966-4-17 20603 Los Angeles To east of Alpine Butte Wildflower Sanctuary, north of Pearblossom. Mohave [Mojave] Desert Comment
  CAS-BOT-BC220135  Monardella exilis Robert F. Thorne; G. Wallace 1973-4-24 43450 Los Angeles Antelope Valley, Western Mojave Desert: Lovejoy Buttes, N of Llano 914 Comment
  RSA765466  Monardella exilis Doris Bowers 1957-4-25 317 Los Angeles Mojave Desert N/o Big Pines 1220 Comment
  POM220096  Monardella viridis subsp. saxicola Louis C. Wheeler 1932-7-2 896 Los Angeles Brown Flat - Fern Canyon water trail. 1311 Comment
  CAS-BOT-BC108995  Mucronea californica Louis C. Wheeler 1946-8-30 6326 Los Angeles West of Baldwin Park. Albarnes Station, east side San Gabriel Wash, just north of Valley Boulevard. Comment
  RSA11012  Muhlenbergia microsperma C. B. Wolf 1928-4-1 1616 Los Angeles Santa Susanna Pass, 0.5 miles from summit. 457 Comment
  SBBG1046  Muilla maritima H. and M. Dearing 1940-4-29 4246 Los Angeles Mint Cyn Comment
  UC1178584  Muilla maritima Peter Kamb June 1947 626 Los Angeles slopes above Pine Flats; San Gabriel Mts. 1981 Comment
  UCR101195  Nama californica L. C. Wheeler 1948-6-13 6645 Los Angeles San Gabriel Mtns., Coldwater Canyon, off Big Tujunga [Canyon] 1006 Comment
  RSA595509  Narcissus tazetta L. C. Wheeler 1969-2-16 s.n. Los Angeles San Gabriel Mountains. Sunset Ridge, by Millard Canyon. 609 Comment
  CAS-BOT-BC259801  Nassella cernua Timothy S. Ross; Janet Takara; Stacey Otte 1993-4-24 6950 Los Angeles Santa Catalina Island: W end of island beyond the isthmus, on main E-W ridgetop ca. 615 m E of Granite Triangulation Point and 620 m WNW of Oak Traing. Pt. 487 Comment
  SBBG56993  Nassella cernua M. N. Ackley -Mar-1924 48 Los Angeles Eagle Rock 304 Comment
  LA9420  Nassella lepida A. M. Johnson; 1932-4-4 3924 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). Comment
  RSA188181  Nassella lepida R. F. Thorne 1966-4-7 35944 Los Angeles Santa Catalina Island: Cherry Valley 61 Comment
  RSA279058  Nassella lepida R. F. Thorne 1971-4-23 41486 Los Angeles Angeles National Forest; NE of Chantry Flats along Santa Anita Creek. 549 Comment
  RSA6636  Nassella lepida Fay A. MacFadden 1931-06 10108 Los Angeles Verdugo Mountains: Tuna Canyon. 335 Comment
  RSA623765  Nassella pulchra Jon E. Keeley 1979-5-10 7284 Los Angeles 1.6 kilometers N of Pacific Coast Highway on Kanan Dume Road. 300 Comment
  UCR192939  Navarretia atractyloides Dan S. Cooper 2008-5-30 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., unnamed canyon along south side of Forest lawn Dr. (across from tennis club), just northwest of border of Griffith Park, Los Angeles 180 Comment
  SBBG31968  Navarretia hamata R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -167 Los Angeles Middle Ranch Comment
  UC856871  Navarretia hamata Alice Eastwood May 27 1906-Jun 10 1906 225 Los Angeles adjacent Los Angeles; Roscoe Comment
  RSA628701  Navarretia hamata subsp. leptantha L. C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island. 0.3 mile south southeast Isthmus Bench Mark. 122 Comment
  RSA0068082  Nemacladus secundiflorus R. G. Swinney 2010-5-19 12841 Los Angeles Horseshoe bend in Pacific Telephone Access Rd., 0.3 air miles NNE of Oracle Hill Summit, 2.1 air miles due east of Angeles Forest Hwy, 0.8 air miles due west of Mt. Emma Rd. 1207 Comment
  RSA774592  Nemacladus sigmoideus Orlando Mistretta, Christine Mistretta 2010-6-10 5296 Los Angeles North Fork Mill Creek. Forest Service Route 3N27, 2.55 air miles SW of intersection with Forest Route 3N17 (Mt. Gleason Road), along Southern California Edison transmission line corridor. 1295 Comment
  UCR269587  Nemacladus sigmoideus R. G. Swinney 2011-6-29 15360 Los Angeles San Gabriel Mountains, Mill Creek, from 50 to 300 meters downstream (south) from Monte Cristo Campground 1082 Comment
  RSA421268  Nemophila menziesii var. integrifolia Robert L. Dressler 1949-6-18 886 Los Angeles Johnstone Peak, San Gabriel Mts. 854 Comment
  CAS-BOT-BC349859  Nicolletia occidentalis Timothy S. Ross; J. Mark Porter 1994-5-1 7613 a Los Angeles Southwestern Mojave Desert: open desert along North 240th Street East, ca 3700 m NNE of Moody Springs and 3300 m W of the L.A./San Bern. County line 870 Comment
  RSA647964  Nicotiana bigelovii Michelle Manolovitz, Brian Manolovitz 1992-5-19 30 Los Angeles Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 0.35 miles northeast of park office. Comment
  RSA654169  Nicotiana glauca Marilyn Porter 1991-5-17 35 Los Angeles Upland at San Bernardino County line, south from parking area at Shinn Road and Mount Baldy Road. Followed abandoned road beginning from road side to San Antonio Dam. 670 Comment
  SD69539  Nicotiana quadrivalvis Robert F. Thorne, P. Everett 1965-6-22 34883 Los Angeles Santa Catalina Island: along new road along East Mountain, S end of island 456 Comment
  SEINET10851871  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3943 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  UC26821  Nuttallanthus texanus Harley P. Chandler 1897-3-18 Los Angeles Pomona 304 Comment
  UC1341222  Oenanthe sarmentosa Joseph Andorfer Ewan 1932-6-28 7521 Los Angeles Los Angeles R. at Los Feliz Bridge; Los Angeles R. Comment
  LA201169  Oenothera biennis Arthur C. Gibson; 2003-4-26 4701 Los Angeles Comment
  SBBG133175  Oenothera californica subsp. californica B. C. Templeton 1967-8-1 10220 Los Angeles half-mile N of Roundtop; San Gabriel Mtns 1890 Comment
  UC1007162  Oenothera elata subsp. hirsutissima Philip A. Munz 1935-9-22 14002 Los Angeles Claremont Comment
  UCR99346  Oenothera laciniata L. C. Wheeler 1946-5-26 6212 Los Angeles El Monte. 2002 N Durbee Road. 80 Comment
  SEINET10734768  Olmediella betschleriana S. Krosnick 2002-1-1 Krosnick 555 Los Angeles UCLA Campus. Originally collected by Arthur Gibson from plants in cultivation at the UCLA Mildred E. Mathias Botanical Garden. Comment
  SBBG98471  Opuntia ficus-indica T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5063 Los Angeles lower Wilson Cyn; SW of and above pier operations 15 Comment
  SFV19325  Oreonana vestita P. Wilson, J. N. Hogue 242.2 2005-5-23 4207 Los Angeles San Gabriel Mountains Kratka Ridge, trail to Mount Williamson. 0.25 km north of Highway 2. 2100 Comment
  UC566848  Oreonana vestita H. L. Mason 1927-6-15 3769 Los Angeles Old Baldy 2438 Comment
  UCR190084  Oreonana vestita R. G. Swinney 1998-8-27 6818 Los Angeles San Gabriel Mtns., West Baldy Peak 3040 Comment
  CAS-BOT-BC502625  Orobanche bulbosa F. Grinnell Jr. 1917-6-10 s.n. Los Angeles Sister Elsie Peak Trail near Pasadena, San Gabriel Mountains Comment
  RSA0104814  Orobanche bulbosa Louis C. Wheeler 1968-7-3 s.n. Los Angeles North side of Bichota Canyon, east of heliport. 1402 Comment
  SEINET7881028 Image available Orobanche bulbosa F. R. Fosberg 1931-1 S 4687 Los Angeles Headquarters of Suraim Canyon NE slope Black Jack Mt. Santa Catalina Island. Comment
  RSA0078633  Orobanche californica subsp. feudgei F. W. Peirson 1921-7-3 2489 Los Angeles South of Swartout Valley, north side of San Gabriel Mts. 2255 Comment
  RSA177798  Orthocarpus purpurascens Robert F. Thorne 1965-5-12 34610 Los Angeles Bullrush Canyon, Santa Catalina Island. 244 Comment
  RSA402086  Orthocarpus purpurascens Elbert Benjamine 1929-3-31 84 Los Angeles Antelope Valley. Comment
  SEINET10600703  Oryzopsis miliacea Louis C. Wheeler 1967-7-30 Wheeler 10270 Los Angeles San Gabriel Mountains. All Trail CAnyon, BM 3434 near Tom Lucas campground. Sunny, moist sandy loam. 1006 Comment
  POM48459  Osmorhiza brachypoda P. A. Munz 1925-3-16 9358 Los Angeles Cobal Canyon, north of Claremont. 488 Comment
  RSA721719  Osmorhiza brachypoda R. G. Swinney 1995-3-11 3382 Los Angeles Glendora, Big Dalton Canyon 378 Comment
  RSA229155  Oxytheca parishii var. parishii Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38910 Los Angeles San Gabriel Mountains, Angeles National Forest: S slope Table Mountain above Big Pines 2119 Comment
  RSA649667  Oxytheca parishii var. parishii Rashmi Pant, Nitin Bhatt 1997-5-25 1043 Los Angeles along the Angeles Crest Hwy (Hwy 2) at milepost 59.0. 1.2 miles west of Kraftka Ridge Ski Resort and 5.2 miles west of the junction of California Hwy 39. 1982 Comment
  UC1375302  Oxytheca parishii var. parishii Robert F. Thorne, C. W. Tilforth, and John Dourley 1969-7-29 38910 Los Angeles above Big Pines (s slope of Table Mt.); San Gabriel Mts., Angeles National Forest, Table Mt. 2118 Comment
  UC1375412  Oxytheca trilobata Robert F. Thorne 1969-7-2 38272 Los Angeles Upper Chilao Campground San Gabriel Mts., Angeles National Forest 1615 Comment
  RSA717029  Paeonia californica Gary Kovnat, LeRoy Gross 2003-2-16 23 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. 683 Comment
  SBBG71677  Paeonia californica M. N. Ackley -Mar-1927 Los Angeles Big Tujunga Crk 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
  CAS-BOT-BC265636  Paspalum distichum J. Ewan 1931-10-24 5262 Los Angeles North shore Malibu Lake, Santa Monica Mts. Comment
  UCR99497  Paspalum distichum Steve Boyd, Lauren Raz 1997-5-28 9878 Los Angeles Liebre Mtns, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Cyn, south of Liebre Mtn. 939 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
  UCR176575  Passiflora caerulea Harry Spilman 1998-4-29 01 Los Angeles South Pasadena, south side of equestrian trail north of the tunnel that passes under the Pasadena (110) Freeway, immediately east of Stoney Drive 183 Comment
  UCR101694  Pectocarya anisocarpa B. G. Pitzer 1998-5-23 3729 Los Angeles Western Transverse Range, Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  CATA2843  Pectocarya linearis subsp. ferocula Howard L. Ferguson 1980-4-3 018 Los Angeles San Clemente Island: Vista, N of bldg. at head of canyon 586 Comment
  UCR260371  Pectocarya linearis subsp. ferocula R. G. Swinney 2010-2-27 11666 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
  UCR95190  Pectocarya penicillata L. C. Wheeler 1967-5-9 9390 Los Angeles San Gabriel Mtns, Aliso Canyon, east of Acton, c. 1 mi downstream from Wagonwheel Ranch 1067 Comment
  SD186143  Pectocarya setosa A. C. Sanders 2003-4-29 26166 Los Angeles Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 395 Comment
  UCR77561  Pectocarya setosa T. S. Ross 1992-4-4 6070 Los Angeles Southwest Mojave Desert, Three Sisters, 1 mi. SE of Black Butte. Middle butte of the three 1008 Comment
  UCR190914  Pedicularis semibarbata R. G. Swinney 1998-7-2 6249 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  SBBG14210  Pelargonium X hortorum M. A. Piehl 1962-10-3 6234 Los Angeles ca. 0.5 mi from shore in Pebbly Beach Cyn Comment
  SBBG12495  Pellaea andromedifolia P. H. Raven 1962-4-11 17304 Los Angeles ca. 1 mi S of Wilson Cove 121 Comment
  SBBG80284  Pellaea andromedifolia F. C. Boutin 1967-4-23 1682 Los Angeles Lemon Tank 304 Comment
  SEINET4536345 Image available Pellaea andromedifolia M. B. Dunkle 1929-1-26 2043 Los Angeles Little Gibralter 15 Comment
  CAS-BOT-BC71338  Pellaea mucronata George B. Grant; Walter Wheeler 1904-4-24 H 6194 Los Angeles Santa Catalina Island, Pacific Ocean, off southern California Comment
  UCR281299  Pennisetum setaceum R. G. Swinney 2014-5-19 16597 Los Angeles San Gabriel Mountains, Glendora, ridge between east fork of Harrow Cyn. and west fork of Engelwild Cyn., 0.4 mile SSE of Glendora Ridge Motorway 622 Comment
  RSA774266  Penstemon centranthifolius R. G. Swinney 2009-6-8 11087 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  SD234196  Penstemon centranthifolius Virginia Pinkus Ryder 1964-6-20 234 Los Angeles Switzer's Camp. W. slope. 1067 Comment
  UCD124071  Penstemon centranthifolius James Dilley 1997-5-4 s.n. Los Angeles Angeles National Forest, Big Rock Canyon Road., 0.5 mile north of end of paved road. 1341 Comment
  RSA0006140  Penstemon dubius Robert Kessler 1928-1 s.n. Los Angeles Fire break Mt. Lowe Comment
  POM50336  Penstemon grinnellii subsp. grinnellii A. D. E. Elmer 1902-06 3615 Los Angeles Acton, Mt. Gleason. Comment
  RSA332052  Penstemon grinnellii subsp. grinnellii Wayne E. Sawyer 1981-7-10 88 Los Angeles Angeles National Forest: Hwy 2 between Dawson Saddle and junction of Highway 39, 1.6 mile from Dawson Saddle. 2302 Comment
  RSA579440  Penstemon grinnellii subsp. grinnellii Tim S. Ross, D. L. Banks 1994-6-21 7986 Los Angeles Vicinity of Pacifico Mountain: decending northerly ridge with Tie Canyon on the W, an upper tributary of Santiago Canyon on the E; ca. 2325 m NW of Pac. Mtn's 7124-foot summit. 1915 Comment
  HSC79116  Penstemon heterophyllus subsp. australis James Henrickson 1973-6-23 10923 Los Angeles Santa Monica Mtns., Topanga Canyon, 0.75 mi. N of Topanga P.O. along old Topanga Canyon Rd. 244 Comment
  RSA401802  Penstemon spectabilis Freda Detmers 1931-4-1 s.n. Los Angeles Griffith Park. Comment
  RSA650001  Penstemon spectabilis A. Mayor, Daly 1973-5-5 s.n. Los Angeles Malibu Cyn. Comment
  SBBG55010  Penstemon spectabilis C. Vadhelm 1970-4-10 5 Los Angeles directly E of Pitzer College, Claremont 304 Comment
  SEINET12320817  Penstemon spectabilis T. P. Spira 1976-1 59 Los Angeles ca 1 mi E of Las Virgenes Road, off of Mulholland Hwy Associates 152 Comment
  JEPS11596  Penstemon spectabilis var. subviscosus F. W. Peirson 1918-6-30 206 Los Angeles Mt. Wilson Toll Road San Gabriel Mts, Mt. Wilson 1295 Comment
  NY661219  Penstemon spectabilis var. subviscosus I. W. Clokey 03 1929 4475 Los Angeles Mandeville Canyon, Santa Monica Mountains 300 Comment
  SD116680  Pentachaeta lyonii K. Nakai, D. Verity and J. Ross 1981-5-21 763 Los Angeles Santa Monica Mountains; 200 yards south of Carlise road on Decker Canyon Road. 305 Comment
  LA94216  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-4-10 1859 Los Angeles SANTA MONICA MOUNTAINS, Franklin Canyon, ca 2 mi S of Mulholland Dr. 243 Comment
  SBBG20556  Pentagramma triangularis subsp. triangularis E. R. Blakley 1963-12-8 6393 Los Angeles cyn head above Mosquito Cove, between Triangulation Pts Malo and Chenity 243 Comment
  RSA687387  Pentagramma triangularis subsp. triangularis M. B. Dunkle 1933-4-19 3319 Los Angeles Palos Verde Hills. Comment
  UC21239  Perideridia pringlei Dr. A. Davidson 1894-1 Los Angeles Antelope Val. Comment
  SD113492  Peritoma arborea var. globosa Darley F. Howe 1947-6-2 1582 Los Angeles Tehachapi Mountains. Comment
  CAS-BOT-BC355968  Perityle emoryi G. B. Grant 1906-9-1 7167 Los Angeles Santa Catalina Island Comment
  POM155666  Perityle emoryi M. B. Dunkle 1928-5-13 1954 Los Angeles Ben Weston Beach, Santa Catalina Island. 15 Comment
  SD112714  Perityle emoryi Darley F. Howe 1947-3-22 1520 Los Angeles Coast north of Santa Monica Comment
  SDSU384  Perityle emoryi R. M. Beauchamp 1967-3-19 321 Los Angeles 1/2 mile south of the runway at Sherman Field, San Clemente Island. Comment
  CAS-BOT-BC418873  Persicaria hydropiperoides LeRoy Abrams 1902-6-13 2530 Los Angeles Ballona Creek near Mesmer Comment
  RSA788638  Petunia parviflora D. E. Bramlet, R. L. Allen 2011-5-24 4848 Los Angeles Whittier Narrows Recreation Area: East shoreline of the middle Legg Lake, 32 6m W of Santa Anita Ave., and 570m S 60 freeway. 64 Comment
  RSA788643  Petunia parviflora D. E. Bramlet, R. L. Allen 2011-5-26 4849 Los Angeles Terrace beside (W) San Jose Creek. Found E of the 605 freeway, 165m E San Gabriel River and 210m S of Pellissier Place. 64 Comment
  SFV11588  Phacelia M. L. Vincent 1964-6-24 591 Los Angeles San Gabriel Mountains On Old Blue Ridge Road 0.5 miles from New Highway (Angeles Crest) at Grassy Hollow camping area. 2250 Comment
  UCR252889  Phacelia affinis R. G. Swinney 2010-5-11 12649 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  RSA660436  Phacelia austromontana Orlando Mistretta 1992-6-19 596 Los Angeles Angeles National Forest; Timber Mountain, San Gabriel Mountains. Comment
  UCR256572  Phacelia brachyloba Anuja Parikh, Nathan Gale 2011-6-27 3513 Los Angeles Transverse Ranage; San Gabriel Mountains, Upper Big Tujunga Canyon, 0.1 km SW of Shortcut Station, 0.5 km north of State Hwy 2, Angeles Crest Hwy 1277 Comment
  UC1595361  Phacelia cicutaria var. hispida Tim Ross and Steve Boyd 1990-6-18 3457 Los Angeles Camp Verdugo Pines and vicinity San Gabriel Mtns., Mescal Creek USGS 7.5' quad (northerly draw draining to Jackson Lake) 1877 Comment
  UCR192949  Phacelia cicutaria var. hispida Dan S. Cooper 2008-5-9 s.n. Los Angeles Los Angeles Basin, just east of Illinois Dr, southwestern South Pasadena 233 Comment
  UCR197207  Phacelia cicutaria var. hispida Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 755 Los Angeles Transverse Ranges; Verdugo Mountains, south side, above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Motorway 488 Comment
  RSA527702  Phacelia cicutaria var. hispida Tim S. Ross, Annette Ross 1991-6-3 5543 Los Angeles Elephant Hill: West Pomona 230 Comment
  POM74167  Phacelia ciliata F. W. Peirson 1908-4-18 866 Los Angeles Point Fermin. Comment
  SBBG65309  Phacelia ciliata M. N. Ackley -Feb-1926 411 Los Angeles near Lankershim 198 Comment
  POM18109  Phacelia cryptantha P. A. Munz 1923-5-25 6817 Los Angeles Big Rock Creek, San Gabriel Mts. 1280 Comment
  RSA587403  Phacelia curvipes Orlando Mistretta 1995-4-5 1596 Los Angeles Drainage W of Little Rock Creek Reservoir 1037 Comment
  RSA0055985  Phacelia distans Richard G. Swinney 2010-3-22 12037 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  POM4490  Phacelia distans L. R. Abrams, E. A. McGregor 1908-6-20 363 Los Angeles Liebre Mts. 1220 Comment
  RSA250063  Phacelia egena Robert F. Thorne, Tilforth, Nilsson 1972-7-20 42177 Los Angeles Swartout [Swarthout] Valley c. 1 mile W of Wrightwood. 1951 Comment
  UCR124676  Phacelia fremontii B. C. Templeton, I. W. Clokey 1930-4-8 1033 Los Angeles Mojave Desert, west of Lancaster 710 Comment
  RSA617863  Phacelia fremontii Walter Wisura 1998-4-3 5120 Los Angeles San Gabriel Mts: Bob's Gap Road, just N of Holcomb Ridge. Comment
  LA38511  Phacelia grandiflora Harlan Lewis; 1940-2-24 1073 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon 304 Comment
  RSA427973  Phacelia grandiflora Floy Stanley 1928-4-22 14562 Los Angeles Monrovia. Saw Pit Canyon. Comment
  SEINET10780733  Phacelia hastata var. hastata George Yatskievych, Michael D. Windham; Fay, Wei Li 2011-5-12 Yatskievych 11 -17 Los Angeles Along dirt road (Big Rock Creek Road) to South Fork campground, heading S off Big Pines Highway, Angeles National Forest, N side of San Gabriel Mountains. 1254 Comment
  UCR223737  Phacelia imbricata R. G. Swinney 2009-5-28 10913 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  POM175345  Phacelia imbricata subsp. imbricata E. Crow 1930-6-29 s.n. Los Angeles near Pine Flats Comment
  RSA586469  Phacelia imbricata subsp. patula Orlando Mistretta 1994-6-21 1376 Los Angeles San Gabriel Mountains. Santiago Canyon. Drainage northwest of Pacifico Mountain. 1890 Comment
  UC1244095  Phacelia imbricata subsp. patula L. R. Heckard 1953-6-15 507 Los Angeles along road from Mt. Gleason 4 mi below Messenger Flats (along creek); San Gabriel Mountains, Angeles National Forest, Pachoima Cre 1645 Comment
  UCR204816  Phacelia longipes R. G. Swinney 2005-8-22 8518 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, lower Holcomb Canyon 1354 Comment
  SBBG108990  Phacelia lyonii S. A. Junak 1996-10-1 SCl 696 Los Angeles Horse Cyn at large bend in cyn, ca. 2 mi SW of Thirst 234 Comment
  POM3756  Phacelia minor P. A. Munz 1918-3-28 2002 Los Angeles Small canyon: 3 mi. N of Claremont, near Palmer s Canyon Comment
  RSA703623  Phacelia minor Tim Thibault, Ryan Gilmore 2004-4-29 241 Los Angeles Dry Lake Canyon, between tunnels W of Mt. Baldy Road 974 Comment
  UCR197205  Phacelia minor Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 750 Los Angeles Transverse Range: Verdugo Mountains, Verdugo Mountains, south side, above Burbank. Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Motortway 427 Comment
  CAS-BOT-BC144944  Phacelia ramosissima var. austrolitoralis I. Johnston 1917-6-10 1322 Los Angeles Playa del Rey Comment
  UC284697  Phacelia ramosissima var. austrolitoralis I. Johnston 1917-6-10 1322 Los Angeles sand dunes Playa del Rey Comment
  RSA578524  Phacelia ramosissima var. latifolia Tim S. Ross, Steve D. Boyd 1994-6-22 8019 Los Angeles Liebre Mountains: Warm Springs Canyon: 0.5 road mile W of Lake Hughes Road along Forest Service road 6N32 649 Comment
  RSA230709  Phacelia ramosissima var. subglabra Robert F. Thorne 1969-7-10 38424 Los Angeles San Gabriel Mts; Angeles National Forest; 1.5 miles W of Wrightwood. 1951 Comment
  HSC94031  Phacelia viscida Steve Boyd, Lauren Raz, T. S. Ross 1997-4-1 9455 Los Angeles Liebre Mountains, upper watershed of Osito Cyn between Hwy I-5 & the Old Ridge Route, vic. of 'Osito Flat,' a distinctive, open grassy break in slope under the high tension power lines. 793 Comment
  POM356925  Phalaris minor Anstruther Davidson 1916-6-1 3157 Los Angeles Santa Monica Mountains. Comment
  UC55348  Phlox gracilis J. H. Barber 1898-8-5 Los Angeles Malibu Comment
  RSA0098822  Pholistoma auritum var. auritum R. G. Swinney 2011-4-28 14541 Los Angeles San Gabriel Mountains: north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 878 Comment
  RSA628875  Pholistoma membranaceum Louis C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 Comment
  RSA420801  Phoradendron macrophyllum Louis C. Wheeler 1932-1-10 437 Los Angeles Puddingstone Dam. 305 Comment
  CAS-BOT-BC141304  Phoradendron serotinum subsp. tomentosum Del Wiens 1953-10-1 847 Los Angeles On US Hwy. 99, on the Ridge Route, near El Rancho 76 1066 Comment
  RSA132734  Phoradendron villosum Del Wiens 1953-12-10 879 Los Angeles San Gabriel Mountains, Crystal Lake Area. 1677 Comment
  RSA133218  Phoradendron villosum Del Wiens 1960-6-10 2716 Los Angeles Cobal Canyon, north of Claremont. 396 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
  RSA593889  Phoradendron villosum Steve D. Boyd 1996-4-24 8662 Los Angeles Liebre Mountains, northwestern end of the range on the ridgetop and upper slopes of the southern flank of Apple Canyon. 1067 Comment
  UC1137492  Phoradendron villosum Jerome S. Horton 1936-10-28 422 Los Angeles n. side Fern Canyon; San Dimas Exp. Forest, Fern Watershed, Pomona Quad. 1554 Comment
  UC168775  Phoradendron villosum George B. Grant and Walter Wheeler 1904-5-17 6243 Los Angeles Mt. Wilson 1524 Comment
  UCR124593  Phoradendron villosum B. C. Templeton, I. W. Clokey 1930-4-8 1063 Los Angeles San Gabriel Mtns, San Francisquito Canyon 900 Comment
  RSA5265  Phyla lanceolata Carl B. Wolf 1932-9-16 4092 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
  SEINET3290578  Phyllospadix torreyi F. R. Fosberg 1931-4-12 S 4575 Los Angeles Santa Catalina Island, Jewfish Point Comment
  RSA126651  Pickeringia montana H. J. Thompson 1959-5-24 2016 Los Angeles 1.4 miles east of Peak along road from Saddle Peak to Topanga Canyon. 732 Comment
  SFV7868  Pinus attenuata T. Gordon, M. H. Grayum, J. R. Swanson, D. Walls, S. Zalusky 1976-1-21 1234 Los Angeles San Gabriel Mountains Angeles Forest Highway. 1220 Comment
  UCSB16192  Pinus jeffreyi Gerhart, Janet 1963-4-7 Los Angeles Vincent Gap, 6 mi. west of Big Pines on U.S. Highway 2 1950 Comment
  CAS-BOT-BC78897  Pinus monophylla S. Parnay Mar. s.n. Los Angeles Mt. [Low] Lowe, one of the mouth of Santa Ana [Canon] Canyon Comment
  RSA605906  Pinus monophylla L. C. Wheeler 1968-11-10 s.n. Los Angeles San Gabriel Mountains: East fork Alder Creek. 1509 Comment
  POM123047  Piperia cooperi H. E. Hasse 1890-06 s.n. Los Angeles Foothills, Sierra Santa Monica [Santa Monica Mountains]. Comment
  CDA29521  Piptatherum miliaceum Michael O Brien 2009-7-12 PDR# 1535008 Los Angeles Nearest the town of Calabasas in Tapia Park, a unit of Malibu Creek State Park, near the entrance to the Salvation Army Camp. Comment
  UCR205564  Pityrogramma triangularis R. G. Swinney 2008-5-30 8899 Los Angeles San Gabriel Mtns., San Gabriel Canyon along old road/trail at El Encanto [El Encanto Azusa River Wilderness Park, 0.2 mi. upstream from park admin. buliding -- R.G.S., 2010] 256 Comment
  CAS-BOT-BC71781  Pityrogramma triangularis var. viscosa I. M. Johnston 1918-5-4 1926 Los Angeles Hills back of Laguna Beach 152 Comment
  UCR147852  Plagiobothrys arizonicus LeRoy Gross, Paul Morton 2004-6-9 1347 Los Angeles Transverse Ranges; Liebre Mountains region, West end of the main crest; From the Pacific Crest Trail (from the south) along road (7N23) pass the second Pacific Crest Trail that exits off north of the road. Finish near the NW corner of section 3 and started at the west end of section 12, west of Bear Gulch Camp. About a 4 mile hike from east to west (This for the Angeles National Forest road surveys.) 1688 Comment
  UCR187006  Plagiobothrys arizonicus A. C. Sanders 2006-4-10 32007 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1006 Comment
  JEPS68018  Plagiobothrys canescens W. L. Jepson 1939-4-21 19222 Los Angeles Saugus Santa Clara River Valley Comment
  UCR188650  Plagiobothrys canescens R. G. Swinney 1990-3-19 1529 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora 366 Comment
  POM50665  Plagiobothrys nothofulvus L. R. Abrams 1901-4-4 1327 Los Angeles Chatsworth Park. Comment
  RSA610738  Plagiobothrys nothofulvus L. C. Wheeler 1934-3-24 2477 Los Angeles Liveoak Canyon, San Gabriel Mts. 487 Comment
  UCD124402  Plantago coronopus Peter H. Raven 1962-5-20 17797 Los Angeles Santa Catalina Island, along road from Middle Ranch to Bullrush Canyon. 243 Comment
  SDSU14826  Plantago erecta Chris Peregrin 2003-3-24 17 Los Angeles Topanga State Park. Coastal bluff on west side of Topanga Creek. Along trail leading out of Rodeo Grounds. 73 Comment
  RSA602076  Plantago erecta Louis C. Wheeler 1946-8-8 6224 Los Angeles San Gabriel Mountains: Lower Rincon. San Gabriel Canyon. Comment
  UC173742  Plantago erecta Minnie Reed 1896-4-2 Los Angeles Pomona Hills Comment
  RSA638921  Plantago major Louis C. Wheeler 1946-8-27 6254 Los Angeles San Gabriel Mountains: Sandrock Creek at Pear Blossom Highway, near confluence of Sandrock Creek and Big Rock Creek; 1/4 mile southeast of Big Rock Patrol Station. 1113 Comment
  JEPS64467  Platanthera sparsiflora Frank W. Peirson 1919-6-15 505 Los Angeles Rock Creek San Gabriel Mountains 1295 Comment
  UCR186476  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
  LA206296  Platystemon californicus A. M. Johnson; 1928-3-13 2828 Los Angeles Del Rey Hills Comment
  RSA66242  Platystemon californicus F. W. Peirson 1920-3-28 2103 Los Angeles North slope of low hills at foot of Tujunga Canyon, w. end of San Gabriel Mountains. 457 Comment
  RSA709689  Platystemon californicus var. crinitus LeRoy Gross 2005-4-28 2178 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
  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
  CAS-BOT-BC356125  Pluchea odorata David B. Weissman 1971-6-17 91 Los Angeles Santa Catalina Island. Mud flat next to Middle Ranch reservoir 198 Comment
  SBBG63427  Pluchea sericea R. Hoffmann 1925-4-20 Los Angeles near Castaic Comment
  RSA599962  Poa annua L. C. Wheeler 1968-3-21 s.n. Los Angeles San Gabriel Mountains: Glendora Ridge Truck Trail. 701 Comment
  UCR205591  Poa annua R. G. Swinney 2008-5-30 8870 Los Angeles San Gabriel Mtns., San Gabriel Canyon along old road/trail at El Encanto [El Encanto Azusa River Wilderness Park, 0.2 mi. upstream from park admin. buliding -- R.G.S., 2010] 256 Comment
  UCR210407  Poa annua R. G. Swinney 2008-12-6 9968 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon west of Roberts Canyon on north side of San Gabriel River channel 229 Comment
  UC185565  Poa howellii T. S. Brandegee 1890-5-16 Los Angeles Catalina Isl Comment
  CAS-BOT-BC236207  Poa secunda subsp. secunda LeRoy Abrams 1903-3-8 3105 Los Angeles Near Inglewood Comment
  HSC12178  Poa secunda subsp. secunda F. R. Fosberg 1931-4-16 4653 Los Angeles Eagles Nest, Middle Ranch Canyon, Santa Catalina Island. 180 Comment
  OBI25691  Poa secunda subsp. secunda David J. Keil, Dirk Walters 1977-4-30 12294 Los Angeles On S side of Calif Rte 138 in vicinity of jctn with Los Angeles co Rd N-2 across hwy from Quail Reservoir Comment
  RSA679917  Poa secunda subsp. secunda LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 926 Los Angeles Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1). 1631 Comment
  SJSU2259  Podocarpus macrophyllus C. W. Sharsmith 1942-9-9 4510 Los Angeles Beverly Hills Comment
  POM8867  Polycarpon depressum L. R. Abrams 1901-4-1 1212 Los Angeles Ballona Harbor. Comment
  UCR131390  Polycarpon tetraphyllum Alison Lipman 1998-7-2 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
  UCR177311  Polycarpon tetraphyllum LeRoy Gross, Michael Denslow, B. Hogshead, Sarah Swartzentruber 2003-6-17 1034 Los Angeles Transverse Ranges; Verdugo Mountains, South side of mountains, west side of Brand Canyon just a short distance above the cemetery 307 Comment
  LA201179  Polycarpon tetraphyllum Arthur C. Gibson; 2003-5-3 4704 Los Angeles Comment
  RSA460142  Polygala cornuta var. fishiae Theodore Payne 1917-8-16 s.n. Los Angeles Near Crater Camp. Near Calabasas. Comment
  RSA158292  Polygonum arenastrum Peter H. Raven 1962-7-11 18016 Los Angeles Common in docks area, Wilson Cove, San Clemente Island Comment
  RSA5484  Polygonum argyrocoleon Carl B. Wolf 1932-10-3 4216 Los Angeles Santa Catalina Island. Mouth of Pebbly Beach Canyon. 15 Comment
  RSA0116450  Polygonum aviculare R. G. Swinney 2010-8-11 13501 Los Angeles San Gabriel Mountains; San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road. 595 Comment
  RSA0116481  Polygonum aviculare R. G. Swinney 2010-9-30 13945 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
  SDSU19667  Polygonum aviculare Michael G. Simpson, Adrienne Russell, Jonathan Dunn 2000-7-20 2195 Los Angeles San Clemente Island, Horse Beach Canyon, ca. 2.3 miles north of China Point. 183 Comment
  RSA464410  Polygonum aviculare subsp. aviculare E. Crow 1928-3-21 275 Los Angeles Claremont. Comment
  RSA603870  Polygonum cuspidatum Louis C. Wheeler 1975-9-18 s.n. Los Angeles Pasadena. Comment
  SFV20877  Polygonum lapathifolium L. Gross 2000-8-25 261 Los Angeles San Fernando Valley Orcas Park, entered from Foothill Blvd onto Orcas Ave. Hiked west from park heading toward Hansen Dam. East side of Hansen Dam. 325 Comment
  RSA653384  Polygonum lapathifolium LeRoy Gross 2000-8-25 261 Los Angeles Big Tujunga Wash/ Verdugo Mountains: Orcas Park, entered from Foothill Blvd onto Orcas Ave. Hiked west from park, heading toward Hansen Dam. 325 Comment
  UCR99556  Polygonum punctatum B. G. Pitzer, Paul Gomez 1996-4-28 2744 Los Angeles Los Angeles Basin, Harbor City / City of Wilmington, Harbor Regional Park, at intersection of Pacific Coast Hwy (Calif. Hwy 1) with Vermont Avenue Comment
  SEINET3153010  Polypodium californicum G. B. Grant, W. Wheeler 1904-4-21 1026 Los Angeles Santa Catalina Island, Pacific Ocean, off southern California Comment
  UCSB62388  Polypodium californicum Kendall, M. 1921-2-13 Los Angeles Palmer's Canon Comment
  RSA213419  Polypodium californicum Reid V. Moran 1941-2-2 598 Los Angeles Middle Ranch, north facing rocks along creek, San Clemente Island Comment
  SBBG132076  Polypodium californicum S. A. Junak, B. Collins 1991-4-25 SCI 215 Los Angeles Middle Ranch Cyn, just downstream from cement dam 463 Comment
  UCSB62383  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canon, San Dimas Comment
  UCSB62406  Polypodium californicum Kendall, M 1921-2-13 Los Angeles Puddingstone Canyon Comment
  UCSB62423  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canon, San Dimas Comment
  UCSB62428  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canon, San Dimas Comment
  LA10118  Polypogon monspeliensis Carl Epling; 1931-4-25 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  POM7108  Polypogon viridis L. T. Street, G. Williams 1919-5-10 2711 Los Angeles San Gabriel River near Bassett. 90 Comment
  RSA623816  Polypogon viridis I. L. Wiggins 1921-11-16 s.n. Los Angeles Arroyo Seco Comment
  RSA774841  Polypogon viridis R. G. Swinney 2009-6-12 11148 Los Angeles Shoemaker Canyon Rd., at Blind Deer Spring in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  SEINET10568473  Polystichum munitum Jason R. Grant, W. Wheeler 1904-5-17 Grant 1032 Los Angeles Collected at Mt. Wilson. Comment
  CAS-BOT-BC102549  Populus fremontii Enid Reeve 1919-3-7 s.n. Los Angeles Pasadena Comment
  POM360754  Populus fremontii J. A. Comstock 1938-4-18 s.n. Los Angeles Near Little Rock. Comment
  SD90359  Populus trichocarpa Robert F. Thorne 1970-3-6 39382 Los Angeles Santa Catalina Island; along road to Ben Weston Beach (Mills Landing) 91 Comment
  CAS-BOT-BC453949  Potamogeton pectinatus J. Ewan 1931-10-24 5376 Los Angeles Malibu Lake, Santa Monica Mts. 304 Comment
  SEINET10629183  Prunus armeniaca Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2596 Los Angeles City of Pasadena. Trader Joe's, 610 S. Arroyo Pkwy. Comment
  OBI46138  Prunus fasciculata var. fasciculata David J. Keil, V. L. Holland, Michael Stile, and Francis Villablanca 1987-5-1 20044 Los Angeles Angeles Natl Forest, Littlerock Reservoir Comment
  OBI69238  Prunus ilicifolia John Knapp, Denise Knapp 2003-4-13 15 Los Angeles Catalina Island 55 Comment
  RSA12024  Prunus ilicifolia Fay A. MacFadden 1929-6-6 1071 Los Angeles Verdugo Mountains: Tuna Canyon. Comment
  UCR212830  Prunus ilicifolia subsp. ilicifolia Ellen Mackey, Blake Whittington 2006-10-24 NFWF- 1824 Los Angeles Transverse Range; San Gabriel Mountains, San Gabriel River Watershed, San Gabriel R. main stem across from Morris Dam, between San Gabriel Canyon Road (Hwy 39) and Silver Fish Truck Trail 402 Comment
  SDSU9181  Prunus ilicifolia subsp. lyonii R. M. Beauchamp 1966-8-9 58 Los Angeles Along road between The Isthmus and Forth of July Cove. Santa Catalina Islands. Comment
  CAS-BOT-BC356543  Pseudognaphalium biolettii Frank W. Peirson 1923-4-12 3465 Los Angeles Wilsons Cove. San Clemente Is. Comment
  SD27745  Pseudognaphalium biolettii Carl B. Wolf 1932-5-9 3429 Los Angeles Santa Catalina; 0.5 miles from Avalon on road to Pebbly Beach. 7 Comment
  CAS-BOT-BC356567  Pseudognaphalium biolettii N. Dunn; J. Ewan 1931-12-6 5560 Los Angeles Stone Canyon, road around lake. Santa Monica Mts. Comment
  RSA126751  Pseudognaphalium biolettii Peter H. Raven 1959-3-13 13856 Los Angeles In small clumps on stabilized dunes, shore, just E of Zuma Beach, Point Dume. 9 Comment
  RSA602957  Pseudognaphalium biolettii Mark Hoefs, Steven A. Junak 1996-5-1 2700 Los Angeles Santa Cataline Island. Road to Lone Tree, past Upper Road to Avalon Canyon. 463 Comment
  RSA659541  Pseudognaphalium biolettii Monica Acosta 1998-5-26 98 Los Angeles Parking lot J at California State Polytechnic University(Cal Poly Pomona) 226 Comment
  RSA0021960  Pseudognaphalium californicum Duncan S. Bell, Caitlin Elam 2013-6-24 5289 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
  UC450956  Pseudognaphalium californicum F. A. MacF. 1931-4-17 2967 Los Angeles Tuna Canyon Verdugo Hills, Tuna Canyon Comment
  SDSU3735  Pseudognaphalium californicum R. M. Beauchamp 1967-3-18 286 Los Angeles Betwee main road and Lemon Tank; San Clemente Island. Comment
  RSA0116331  Pseudognaphalium luteoalbum Steve A. Junak 1999-7-15 SCa- 1028 Los Angeles Santa Catalina Island. Bulrush Canyon. 238 Comment
  CAS-BOT-BC357298  Pseudognaphalium microcephalum Alice Eastwood 1906-5-27 143 Los Angeles Country adjacent to Los Angeles. Laurel Canyon Comment
  NY63564  Pseudotsuga macrocarpa V. Duran 1933-7-27 3537 Los Angeles This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC77926  Pteris vittata Larry Kiefer 1963-2-17 432 Los Angeles Eaton Cyn for c. 50 yds abv dam abv 1st falls, to c. 100 yds below 2nd falls 548 Comment
  UC1584706  Pterostegia drymarioides Tim Ross 1991-3-24 4313 Los Angeles Whittier Hills (Puente Hills, pro parte) 310 Comment
  LA36841  Purshia glandulosa L. R. Abrams; 1941-4-24 13936 Los Angeles BIg Rock Creek near Valyermo 1280 Comment
  RSA650113  Purshia glandulosa Marion P. Harthill 1974-4-22 1667 Los Angeles Mojave Hwy. and N4. Comment
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Jan 4 2012
  UCR223735  Pycnanthemum californicum R. G. Swinney 2009-6-12 11141 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  CAS-BOT-BC45780  Quercus Geo. B. Grant 1904-5-5 6168 Los Angeles Pasadena, Oak Knoll Comment
  UCR182177  Quercus X grandidentata R. G. Swinney 1997-9-27 5882 Los Angeles San Gabriel Mountains, between Live Oak Canyon and Marshall Canyon, c. 0.25 mi. NW of Live Oak Canyon Dam 512 Comment
  RSA596812  Quercus agrifolia Tim S. Ross, J. Mark Porter 1995-5-4 8473 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  SEINET4077592  Quercus agrifolia Unknown 1904-1 Los Angeles Pasadena. Comment
  UCR117555  Quercus agrifolia A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23281 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 915 Comment
  UCR261134  Quercus agrifolia R. G. Swinney 2010-2-27 11730 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
  RSA0106838  Quercus agrifolia var. agrifolia R. G. Swinney 2011-10-18 15844 Los Angeles San Gabriel Mountains: 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2. 1021 Comment
  RSA670799  Quercus agrifolia var. agrifolia Joseph M. Keefe 2001-3-13 31090 Los Angeles East side of Tipton Terrace, 0.2 miles south of Buena Vista Terrace. Highland Park District, 1.5 miles southwest of The Eagle Rock. 90042 256 Comment
  LA32172  Quercus berberidifolia Peter H. Raven; Henry J. Thompson 1959-2-25 13809 Los Angeles Santa Monica Mountains, 1.2 mi E of Saddle Peak 670 Comment
  LA32175  Quercus berberidifolia Peter H. Raven; Henry J. Thompson 1958-10-11 13760 Los Angeles Santa Monica Mountains, Saddle Peak, near the E peak 609 Comment
  POM18605  Quercus berberidifolia E. S. Spalding 1921-4-9 XVIII- 2 Los Angeles Ganesha Hills, Pomona. Comment
  UC1595248  Quercus berberidifolia Tim Ross and Peter Fritsch 1990-6-20 3642 B Los Angeles near confluence of the E. and W. Forks of the San Gabriel River (mouth of Burro Canyon); San Gabriel Mountains, Burro Canyon 445 Comment
  UC1922652  Quercus berberidifolia Valerie Soza, Leland Lubinsky 2001-5-16 1224 Los Angeles Transverse Ranges; Verdugo Mountains region; Northern San Rafael Hills: Liz's Loop (Edison Road) to Cherry Canyon Fire Road. 457 Comment
  CATA396  Quercus chrysolepis Mark L. Hoefs, A. Douglas Propst 1974-5-10 465 Los Angeles Santa Catalina Island: Lower Fern Canyon 213 Comment
  RSA488016  Quercus chrysolepis Mark Hoefs 1974-10-3 589 Los Angeles Santa Catalina Island: Upper Fern Canyon -ridge between Mt. Orizaba & Mt. Banning. 518 Comment
  RSA738066  Quercus chrysolepis J Toney 1967-5-17 s.n. Los Angeles Tujunga Wash. 305 Comment
  CAS-BOT-BC86393  Quercus dumosa Herman Knoche 1919-6-6 959 Los Angeles Middle Ranch, Santa Catalina Island Comment
  UC767802  Quercus dumosa Wm. H. Brewer Feb 1861 166 Los Angeles San Gabriel Comment
  SBBG53924  Quercus durata var. durata K. R. Montgomery, T. W. Strid 1973-4-14 73 Los Angeles Dillon Divide, site of LASCA Cistus field plot Comment
  RSA0049478  Quercus durata var. gabrielensis Richard G. Swinney 2010-8-16 13517 Los Angeles San Gabriel Mountains: Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA754140  Quercus durata var. gabrielensis Ellen Mackey, Blake Whittiington 2006-10-24 NFWF- 1826 Los Angeles San Gabriel River main stem across from Morris Dam, CS1, north side of parking lot 406 Comment
  UCR270073  Quercus durata var. gabrielensis R. G. Swinney 2011-3-17 14126 Los Angeles San Gabriel Mountains, Glendora, north of Mull Canyon debris basin 366 Comment
  POM2103  Quercus engelmannii I. M. Johnston 1918-3-29 s.n. Los Angeles Lone Hill, South of Glendora 305 Comment
  RSA533066  Quercus engelmannii Lyman Benson 1947-5-2 12352 Los Angeles Indian Hill, Claremont. 427 Comment
  SBBG89125  Quercus engelmannii L. Benson 1949-10-20 14276 Los Angeles Cyn Drive, just W of the mouth of Monrovia Cyn 548 Comment
  SBBG89127  Quercus engelmannii L. Benson 1960-7-20 16073 Los Angeles Ganesha Hills, Pomona 365 Comment
  UC1602281  Quercus engelmannii W. H. Brewer Jan 1861 125 Los Angeles San Gabriel Comment
  UC630411  Quercus engelmannii Annetta Carter 1940-1-12 1490 Los Angeles e side of canyon at head of Baldwin Avenue (foothills of the San Gabriel Mountains); Sierra Madre, San Gabriel Mountains 320 Comment
  RSA571669  Quercus kelloggii C. Epling 1931-5-16 s.n. Los Angeles San Gabriel Mountains. Big Pines Camp. Comment
  RSA157993  Quercus pacifica M. B. Dunkle 1928-3-17 1757 Los Angeles Santa Catalina Island, Johnson's Canyon 30 Comment
  RSA476562  Quercus pacifica F. R. Fosberg 1931-5-5 S 4771 Los Angeles Santa Catalina Island, Bullrush Canyon 60 Comment
  SBBG24009  Quercus pacifica C. H. Muller 1953-5-2 9557 Los Angeles upper end of Swain Cyn near ridge top Comment
  UC1281415  Quercus pacifica H. E. McMinn 1924-7-25 1312 Los Angeles Catalina Island Comment
  SD52859  Quercus tomentella Peter H. Raven 1962-7-10 17980 Los Angeles San Clemente Island, canyon below Lemon Tank 244 Comment
  CAS-BOT-BC104857  Quercus wislizeni Timothy S. Ross; Steve Boyd 1994-9-21 8305 Los Angeles Liebre Mountains. Liebre Mountain: upper W summit area on broad northerly ridge extending northward toward Tentrock Canyon drainage; ca 340-360 m ENE of Sandberg Triangulation Point (5345-ft) 1623 Comment
  RSA0089151  Rafinesquia californica R. G. Swinney 2010-3-24 12055 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  UCR152901  Rafinesquia californica A. C. Sanders, Helen Kennedy 2005-4-13 29412 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA0051624  Ranunculus californicus L. E. Hoffman 1945-3-26 s.n. Los Angeles Santa Monica Mountains. 304 Comment
  SEINET3160890  Ranunculus californicus G. B. Grant 1109 Los Angeles Lincoln Park Comment
  CATA1252  Raphanus raphanistrum Mark L. Hoefs, Phil Hartman, Bret Marin 1995-6-27 2332 Los Angeles Santa Catalina Island: Catalina Harbor 3 Comment
  CAS-BOT-BC74277  Raphanus sativus Raymond Lindholm 1961-2-3 s.n. Los Angeles Near Laverne. Comment
  RSA728666  Ratibida columnifera R. E. Riefner 2007-7-5 07 -300 Los Angeles Santa Monica Mountains National Recreation Are, La Jolla Canyon, Pacific Coast Hwy. 14 Comment
  SEINET12210150  Rhamnus californica I. W. Clokey, Templeton, B. 1929-1 4586 Los Angeles Mandeville Canyon, Santa Monica Mountains 200 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
  UC1586211  Rhamnus californica subsp. californica Tim Ross 1991-8-16 5799 Los Angeles Woodwardia Canyon, San Gabriel Mountains (n of Pasadena) San Gabriel Mountains, Condor Peak U.S.G.S. 7.5 ' Quad. 818 Comment
  UC33650  Rhamnus californica subsp. californica J. Burtt Davy Oct 1896 2727 Los Angeles Santa Monica Comment
  LA207767  Rhamnus crocea Carl Epling; May 1925 sn Los Angeles Mint Canyon 1523 Comment
  RSA128264  Rhamnus ilicifolia H. J. Thompson 1959-3-31 1913 Los Angeles 1.2 miles SW of Seminole Hot Springs, about 2 miles SW of Cornell. 396 Comment
  RSA584140  Rhamnus ilicifolia Tim S. Ross, S. D. Boyd, Peter Fritsch 1990-6-8 2978 Los Angeles Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats) 1250 Comment
  RSA624981  Rhamnus ilicifolia Louis C. Wheeler 1963-6-25 8264 Los Angeles San Gabriel Mountains: Pacoima Canyon (Ore Hill Prospect) 1/4 mile east of Dorothy Canyon. 915 Comment
  UC56680  Rhamnus ilicifolia Ernest Braunton 1903-1-12 782 Los Angeles Sherman Comment
  CAS-BOT-BC360866  Rhamnus pirifolia Alice Eastwood 1917-7-20 6469 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC59790  Rhamnus pirifolia H. E. McMinn 1924-7-25 1305 Los Angeles Catalina Island. Comment
  POM158336  Rhamnus pirifolia M. B. Dunkle 1928-3-4 1716 Los Angeles Orizaba Canyon, Santa Catalina Island. 244 Comment
  CAS-BOT-BC168140  Rhus aromatica Grant 1902-3-16 4561 Los Angeles Pasadena Comment
  UCR272547  Rhus aromatica R. G. Swinney 2011-5-26 14844 Los Angeles San Gabriel Mountains, 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1073 Comment
  UCR95255  Rhus aromatica L. C. Wheeler 1967-5-2 9278 Los Angeles Liebre Mtns, N side foothills, c. 0.3 mi. west of Los Angeles Aqueduct, just south of San Clarito Hospital. 'Baker Ranch' on Los Angeles Co. firearms closure map 396 Comment
  POM222637  Rhus integrifolia L. C. Wheeler 1933-3-19 1553 Los Angeles Just within mouth of San Gabriel Canyon, San Gabriel Mountains. 244 Comment
  RSA386479  Rhus integrifolia M. B. Dunkle 1928-3-31 1803 Los Angeles Cottonwood Canyon, Santa Catalina Island. 122 Comment
  RSA386482  Rhus integrifolia Reid V. Moran 1941-2-18 582 Los Angeles San Clemente Island, Middle Ranch 350 Comment
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Jun 5 2014
  SBBG12015  Rhus integrifolia E. R. Blakley 1962-1-7 4834 Los Angeles head of Avalon Valley 152 Comment
  SBBG12017  Rhus integrifolia E. R. Blakley 1961-9-23 4744 Los Angeles beach bluff between Isthmus Harbor and Fisherman's Cove 6 Comment
  SBBG64583  Rhus integrifolia T. Ross 1991-9-2 5938 Los Angeles near Mulholland Hwy and Yerba Buena Rd [putative hybrid w/ R. ovata] 541 Comment
  LA82203  Rhus ovata O. H. Kappler; 1941-4-27 232 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  LA94282  Rhus ovata Louis Wheeler; 1931-11-11 341 Los Angeles Santa Monica Mountains, 2 mi SW Girard 426 Comment
  POM137315  Rhus ovata C. F. Baker 1903-4-2 4147 Los Angeles Hills near Monrovia Comment
  RSA0106774  Rhus ovata R. G. Swinney 2011-11-3 15995 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre. 549 Comment
  RSA746829  Rhus ovata Justin M. Wood 2009-3-13 359 Los Angeles SW corner of Claremont Blvd and Foothill Blvd. Open space area on the campus of Pitzer College. 398 Comment
  UCR276754  Rhus ovata R. G. Swinney 2010-8-11 13487 Los Angeles San Gabriel Mountains, San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road 595 Comment
  UCSB3761  Rhus ovata Wilson, Richard 1958-5-10 Los Angeles 6 miles N. of Foothills Blvd. on Angeles Crest Highway 1066 Comment
  LA94285  Rhus ovata Robert G. Engman; sn Los Angeles Comment
  RSA0062684  Rhus trilobata var. malacophylla T. Strid 1971-4-17 s.n. Los Angeles Hungry Valley. Comment
  RSA403703  Rhus trilobata var. pilosissima I. W. Clokey, B. Templeton 1929-04 4451 Los Angeles Mandeville Canyon, Santa Monica Mts. 350 Comment
  RSA127414  Ribes aureum var. gracillimum H. J. Thompson 1959-3-22 1872 Los Angeles 1 mile west of Triunfo Canyon, 3 miles west of Malibu Lake, Lobo Canyon. Santa Monica Mountains. 244 Comment
  UC212411  Ribes aureum var. gracillimum E. Bethel May 1919 Los Angeles Monrovia Comment
  UCR270166  Ribes aureum var. gracillimum R. G. Swinney 2011-4-9 14387 Los Angeles San Gabriel Mountains, NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  RSA98695  Ribes aureum var. gracillimum C. R. Quick 1931-2-14 47 Los Angeles Arcadia. Comment
  UCR270055  Ribes californicum var. californicum R. G. Swinney 2011-3-17 14114 Los Angeles San Gabriel Mountains, Glendora, north of Mull Canyon debris basin 366 Comment
  UC212382  Ribes divaricatum var. parishii I. M. Johnston 1918-7-28 2101 Los Angeles San Gabriel River at El Monte San Gabriel River 91 Comment
  UC11550  Ribes indecorum W. H. Brewer 1861-2-16 200 Los Angeles San Fernando Valley Comment
  CAS-BOT-BC173423  Ribes malvaceum Joseph Andorfer Ewan 1932-1-3 7014 Los Angeles Head of Nichols Canyon, Santa Monica Mts. Comment
  CAS-BOT-BC173445  Ribes malvaceum Peter H. Raven 1959-2-15 13781 Los Angeles Beverly Glen Canyon 2.6 miles north of Sunset Blvd. 213 Comment
  SEINET3259904 Image available Ribes malvaceum R. G. Swinney 2008-3-31 8584 Los Angeles San Gabriel Mtns.; Glendora Mountain summit. 1003 Comment
  UCSB17129  Ribes malvaceum var. malvaceum Vernand, Ramona 1963-3-15 Los Angeles 36 miles northwest of Santa Monica via U.S. Highway 101 alternate; 1.5 miles north on Decker Canyon Road Comment
  UCSB2637  Ribes malvaceum var. viridifolium Haller, John 1950-3-26 Los Angeles San Gabriel Mtns; along Glendora Mtn Road; North Shore 1066 Comment
  RSA586055  Ribes roezlii Orlando Mistretta 1995-5-23 1713 Los Angeles Bare Mountain Canyon, W side tributary drainage NE of Pacifico Mtn. 1814 Comment
  CAS-BOT-BC186160  Ribes roezlii var. roezlii Carl B. Wolf 1928-3-29 1579 Los Angeles 2 mi. from Sandbergs on the ridge route, on road to Elizabeth Lake 1097 Comment
  LA91463  Ribes speciosum Bruce Douglas Clayton; Greg Shaw 1972-4-4 63 Los Angeles Santa Monica Mountains, Upper Temescal and Rustic Canyons, Mountain Park Research Campus, Nettleburn Creek 554 Comment
  RSA476296  Ribes speciosum Edwin Kline 1925-4-12 s.n. Los Angeles Mulholland Estate; Santa Monica Mtns. Comment
  UC150060  Ribes speciosum LeRoy Abrams 1902-3-11 3118 Los Angeles Sepulveda Canyon Santa Ana Mts. Comment
  SBBG31412  Ricinus communis R. F. Thorne with P. C. Everett 1965-6-22 34875 Los Angeles behind Bird Park 91 Comment
  UCSB50280  Ricinus communis Reisentz, Paul 1975-5-10 Los Angeles Twin Falls Reserve, 1 mile east of Stunt Rd. from Mulholland Hwy. 274 Comment
  SBBG118732  Rigiopappus leptocladus L. Gross with P. Morton 2004-6-10 1371 Los Angeles E end of the main crest; Rd 7N23, E to W from jct with Atmore Meadows Rd (7N19) along Sawmill Mtn to Burnt Pk Rd (7N23A): T7N R16W S8,9,16,15 1432 Comment
  CAS-BOT-BC133218  Rorippa curvisiliqua A. C. Sanders; T. B. Salvato; Mitch Provance 2009-5-27 36969 Los Angeles San Gabriel Valley: confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  LA200328  Rorippa nasturtium-aquaticum W. O. Griesel; 1936-5-9 sn Los Angeles Comment
  SD143474  Rorippa nasturtium-aquaticum Robert F. Thorne, P. Everett 1965-5-10 34434 Los Angeles Cape Canyon, Santa Catalina Island. In stream bed 274 Comment
  CAS-BOT-BC147474  Rosa californica L. McHargue; B. Miller 1963-7-6 s.n. Los Angeles Atmore Meadow, Liebre Mt. 1371 Comment
  LA52067  Rosa californica J. A. Ewan; 1929-5-25 3501 Los Angeles Comment
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Jun 26 2014
  RSA165717  Rosa californica Lawrence T. McHargue, Brian C. Miller 1963-7-6 s.n. Los Angeles Atmore Meadow, Liebre Mtn. 1372 Comment
  CAS-BOT-BC158812  Rubus ursinus Reid Moran 1941-3-7 685 Los Angeles Middle Ranch, Santa Catalina Island Comment
  RSA802560  Rubus ursinus Orlando Mistretta, Christine Mistretta 2011-7-6 5907 Los Angeles Fall Creek Canyon; tributary of N Fork Mill Creek, along Forest Road 3N27. 1239 Comment
  UC465807  Rumex crispus J. Burtt Davy May 9 1896-May 24 1896 2279 Los Angeles Antelope Valley Comment
  UCD101157  Rumex crispus Robert F. Thorne; M. Z. Thorne 1966-8-29 36607 Los Angeles San Gabriel Mts., Angeles National Forest: Big Pines Recreation Area, south of Jackson Lake on road from Big Pines to Valyermo. 1859 Comment
  UCR191160  Rumex crispus R. G. Swinney 1999-7-5 7511 Los Angeles San Gabriel Mtns., head of Cedar Canyon, stream bottom NW of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2 2012 Comment
  UCR269585  Rumex crispus R. G. Swinney 2011-6-29 15372 Los Angeles San Gabriel Mountains, Mill Creek, from 50 to 300 meters downstream (south) from Monte Cristo Campground 1082 Comment
  CAS-BOT-BC433247  Rumex crispus Geo. B. Grant 1902-4-27 s.n. Los Angeles Los Angeles Comment
  UC72654  Rumex crispus Miss E. D. Palmer 1904-11-28 Los Angeles Comment
  JEPS39860  Rumex salicifolius var. salicifolius F. W. Peirson 1918-6-18 29 Los Angeles Lower Rock Creek San Gabriel Mts. 1219 Comment
  RSA597019  Rumex salicifolius var. salicifolius Tim S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3814 Los Angeles Vicinity of Crystal Lake 1677 Comment
  JEPS28827  Rupertia rigida Wesley O. Griesel 1961-4-11 Los Angeles San Gabriel Mountains, Millard Canyon Millard Canyon; San Gabriel Mountains, Millard Canyon 609 Comment
  RSA401585B  Salazaria mexicana T. W. Minthorn 1925-5-30 13795 Los Angeles Near Palmdale. Comment
  UC213369  Salicornia subterminalis Le Roy Abrams 4365 Los Angeles near Mesmer Comment
  RSA478899  Salicornia virginica Joseph A. Ewan 1930-9-15 5537 Los Angeles Ballona Creek near Playa del Rey Road. Comment
  RSA781248  Salix A. C. Sanders, Dan S. Cooper 2010-3-12 37382 Los Angeles South Coast: Madrona Marsh, Torrance. 24 Comment
  POM362608  Salix bonplandiana M. B. Dunkle 1928-3-11 1730 Los Angeles Grand Canyon, Santa Catalina Island. Comment
  CAS-BOT-BC108061  Salix exigua Carl W. Sharsmith 1932-1-17 13 Los Angeles At bottom of Lower San Gabriel Canyon, about 9.5 km. above Azusa. 300 Comment
  UC474005  Salix exigua F. A. MacFadden Mar. 1931 3069 Los Angeles Tuna Canyon Verdugo Hills, Tuna Canyon Comment
  UC506477  Salix exigua Carl Hedin and Joseph Ewan 1932-4-22 7633 Los Angeles 4 hectometers e of Radford Dr. Los Angeles River; San Fernando Valley, Los Angeles River Comment
  POM2032  Salix gooddingii I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] Comment
  RSA618684  Salix gooddingii LeRoy Gross 1998-10-16 82 Los Angeles Southern base San Gabriel Mtns.: Tujunga Ponds. West of 210 freeway in big Tujunga wash, city of Sunland. 366 Comment
  LA52059  Salix laevigata A. M. Johnson; 1932-5-30 4100 Los Angeles SANTA MONICA MOUNTAINS, Brent's Mountain, Crag's Camp. Comment
  POM362603  Salix laevigata Bonnie C. Templeton 1930-4-8 1043 Los Angeles San Francisquito Canyon, San Gabriel Mts. 900 Comment
  SD1034  Salix laevigata F. R. Fosberg 1932-3-13 7427 Los Angeles Lower Topanga Canyon, Santa Monica Mountains 14 Comment
  LA200825  Salix lasiolepis Norman A. Cole; May 1964 384 .13 Los Angeles SANTA MONICA MOUNTAINS, Piuma Rd, 1.2 mi from junction of Rambla Pacifico and Schuern Road. 685 Comment
  POM362703  Salix lasiolepis F. R. Fosberg 1931-4-10 S 4553 Los Angeles Avalon Valley, Santa Catalina Island. 70 Comment
  POM362708  Salix lasiolepis Robin S. Collins 1973-4-9 236 Los Angeles San Gabriel Mountains, Angeles National Forest, Trail Canyon, near trail ca. 1/2 mile from its start. 609 Comment
  POM362726  Salix lasiolepis Edwin Kline 1925-2-28 s.n. Los Angeles Near Pomona. Comment
  RSA0103801  Salix lasiolepis R. G. Swinney 2011-9-27 15693 Los Angeles San Gabriel Mountains: Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road mile SE of Dawson Saddle, from road to 150 m up canyon bottom. 2354 Comment
  RSA771558  Salix lasiolepis R. G. Swinney 2009-5-28 10946 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  SBBG57869  Salix lasiolepis M. N. Ackley 1928-2-12 984 Los Angeles Eaton Wash 381 Comment
  UC506467  Salix lasiolepis Carl Hedin and Joseph Ewan 1933-1-28 7627 Los Angeles Comment
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Jun 8 2015
  UCR144602  Salix lasiolepis G. D. Wallace 1985-1 2163 Los Angeles San Gabriel Mtns., Gold Hill, backyard, Alta Vista Ave. between Oak Grove and Mesa Circle, Monrovia 274 Comment
  UCR203103  Salix lasiolepis R. G. Swinney 2001-8-27 8114 Los Angeles San Gabriel Mountains, Cortelyou Spring c. 0,5 mi east of the junction of Hwy 2 and Hwy 39, north side of Hwy 2 2073 Comment
  UCR239976  Salix lasiolepis R. G. Swinney 2009-11-16 11638 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  RSA0034691  Salix lasiolepis F. R. Fosberg 1932-1-26 7172 Los Angeles Between Calabasas and Agoura. 285 Comment
  UCSB9466  Salix lasiolepis Lloyd, Robert 1960-03 Los Angeles 500 yards up Little Daltion Canyon from the Glendora Mtn Road; San Gabriel Mt. Range Comment
  CAS-BOT-BC107270  Salix lasiolepis var. bigelovii L. R. Abrams; I. L. Wiggins 1931-7-4 330 Los Angeles White's Landing, Santa Catalina Island Comment
  POM249607  Salpichroa origanifolia Philip A. Munz 1939-10-9 15565 Los Angeles East end of Claremont. Comment
  CDA20782  Salsola australis M. O'Brien 2006-10-8 s.n. Los Angeles Southern California Coast; Along Mulholland Hwy., between Stunt Rd. and Old Topanga Canyon Rd. 0 Comment
  RSA0096979  Saltugilia splendens subsp. grantii Richard G. Swinney 2011-5-31 14908 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  UC907849  Saltugilia splendens subsp. grantii Herbert L. Mason 1927-6-11 3753 Los Angeles San Antonio Canyon San Gabriel Mountains, San Antonio Canyon 914 Comment
  UC52818  Saltugilia splendens subsp. grantii G. B. Grant 4469 Los Angeles San Gabriel Mts. 1066 Comment
  UC1587621  Salvia Tim Ross 1991-4-21 4530 Los Angeles Middle Turnbull Canyon Whittier Hills (Puente Hills, pro parte) (vicinity of old water tank) 228 Comment
  SEINET12273380  Salvia C. L. Abbott 1926-1 s.n. Los Angeles Los Angeles, Ramona Comment
  UCR133605  Salvia apiana Sherwin Carlquist 1983-7-20 15803 Los Angeles Canyon between chapel and gynasium, Webb School, Claremont 427 Comment
  RSA0073249  Salvia carnosa Bonnie C. Templeton, H. J. Andrews 1938-3-22 1688 Los Angeles Mint Canyon. Comment
  UCR260012  Salvia columbariae R. G. Swinney 2010-4-1 12153 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  RSA657355  Salvia columbariae C. Schapiro 1979-4-10 8 Los Angeles Verdugo Mountains; On fire road at intersection of Linda Vista Rd. and Figueroa St., North Glendale 762 Comment
  RSA509534  Salvia dorrii var. pilosa S. J. Myers, Ed LaRue 1989-3-17 s.n. Los Angeles Palmdale area, Elizabeth Lake Road at California Aqueduct. San Andreas rift zone bisects the site. 884 Comment
  RSA434095  Salvia leucophylla Percy C. Everett 1941-07 s.n. Los Angeles Tehachapi Mountains. 500-1500 mountains. 152 Comment
  RSA446329  Salvia leucophylla L. E. Hoffman 1933-2-25 s.n. Los Angeles Mint Canyon. Comment
  SBBG96786  Salvia leucophylla T. Ross, S. Boyd 1990-6-6 2876 Los Angeles Piru Ponds 644 Comment
  RSA647929  Salvia mellifera Michelle Manolovitz, Brian Manolovitz 1992-5-5 12 Los Angeles Santa Fe Dam, 15501 E. Arrow Hwy, Irwindale; 450 feet northwest of park office. Comment
  UCR163191  Salvia mellifera Kathleen Stockwell 2003-6-11 s.n. Los Angeles San Gabriel Mtns, Palmer Canyon, Claremont, North Padua Ave, road to water tank at edge of bulldozed area, NNE of Padua Hills Theater 610 Comment
  UCR213688  Salvia sonomensis Justin M. Wood 2009-6-1 801 Los Angeles San Gabriel Mountains, Mill Creek Summit, Heliport just SE of ranger station on Pacifico Mountain Rd (3N17.4) 1585 Comment
  RSA477561  Sambucus mexicana H. de Forest 1929-04 s.n. Los Angeles Topanga Canon. Comment
  UC889715  Sambucus mexicana Ira W. Clokey, B. Templeton May 1929 4558 Los Angeles Mandeville Canyon Santa Monica Mountains 200 Comment
  CAS-BOT-BC238733  Sambucus nigra subsp. caerulea W. R. Dudley; F. H. Lamb 1896-6-8 4395 Los Angeles Kings Canyon, Liebre Mountains Comment
  CAS-BOT-BC238747  Sambucus nigra subsp. caerulea LeRoy Abrams 1902-6-15 2538 Los Angeles Sepulveda Canyon, Santa Monica Mountains Comment
  UCD137673  Sambucus nigra subsp. caerulea Gordon Pilone 1961-5-7 100 Los Angeles South of Santa Ana Botanic Gardens in Claremont. San Gabriel Mt. Range. 390 Comment
  RSA177793  Sanicula arguta R. F. Thorne, P. Everett 1965-5-10 34524 Los Angeles Near upper end of Gallagher Canyon; Santa Catalina Island. 427 Comment
  UC1587721  Sanicula arguta Tim Ross, Orlando Mistretta, Mike Hammit 1991-5-18 5159 Los Angeles 950 ft wnw of Stone (at beginning of the Stone Canyon drainage, San Clemente Island); San Clemente Island 441 Comment
  UCR282149  Sanicula arguta R. G. Swinney 2014-5-15 16543 Los Angeles San Gabriel Mountains, Azusa Peak, 0.06 mile south of Glendora Ridge Motorway, 1.34 miles due east of Hwy. 39, 0.15 mile east of Garcia Trailhead 630 Comment
  CAS-BOT-BC223213  Sanicula bipinnatifida Le Roy Abrams 1901-4-3 1301 Los Angeles Bank of Los Angeles River, San Fernando Valley Comment
  POM177953  Sanicula crassicaulis Joseph A. Ewan 1931-3-21 4064 Los Angeles Colony on moist slope under oaks at old ranch site, Los Flores Canyon. 457 Comment
  RSA747231  Sanicula crassicaulis R. G. Swinney 2008-4-9 8619 Los Angeles Glendora, Wildwood Canyon 329 Comment
  UC574964  Sanicula tuberosa Carl Epling, R. Fowler, K. Kueen April 1933 Los Angeles Santa Monica Mountains, Boney Ridge Boney Ridge; Santa Monica Mountains, Boney Ridge Comment
  SEINET3859918  Sarcostemma cynanchoides R. G. Swinney 2009-4-17 10397 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: Azusa, San Gabriel Canyon wash, 0.1-0.5 mi. west of San Gabriel River Bike path parking lot, at Azusa Canyon Rd (Hwy 39), c. 0.6 mi. north of Sierra Madre Ave.; 0 213 Comment
  RSA604511  Satureja douglasii Mark Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-11-9 2551 Los Angeles Santa Catalina Island: Bulrush Canyon, between lower reservoir and Salta Verde Road. 280 Comment
  SD112052  Satureja douglasii Betsy Carpenter, Linda Allen 1975-3-21 Los Angeles Santa Catalina Island, Middle Ranch Road Comment
  UCR220346  Scandix pecten-veneris D. E. Bramlet, Mike Ahmer 2005-4-14 3794 Los Angeles Los Angeles Basin Region, Puente Hills in La Habra Heights, main drainage of Powder Canyon, c. 547 ft. east of Skyline Drive and 1460 ft. north of Fullerton Rd. 249 Comment
  UCR274093  Schismus arabicus Steven A. Junak 1999-5-20 SCa- 959 Los Angeles California Islands, Santa Catalina Island, base of paved road leading to top of Black Jack Peak 530 Comment
  UCR281170  Schismus arabicus R. G. Swinney 2014-5-7 16427 Los Angeles San Gabriel Mountains, near town of Ravenna, 0.3 miles east of Stonecross, c. 0.7 miles south of Soledad Cyn. Road, c. 0.5 mile east of Mill Cyn., unnamed N-S oriented cyn. between Bootleggers Cyn. and Mill Cyn. 793 Comment
  RSA0107888  Schismus arabicus Steven A. Junak 1998-5-1 SCa- 590 Los Angeles Santa Catalina Island. Along Airport Road, ca. 0.2 miles W of Middle Ranch Road, overlooking Swain's Canyon. 441 Comment
  RSA595995  Schismus barbatus L. C. Wheeler 1967-5-8 9355 Los Angeles San Gabriel Mts [Liebre Mtns]between Bouquet Junction and Bonelli Ranch. 396 Comment
  RSA762450  Schismus barbatus R. G. Swinney 2009-2-20 10011 Los Angeles El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  UCR62322  Schismus barbatus R. G. Swinney 1990-3-24 1565 Los Angeles Los Angeles Basin, South Hills Park, Glendora Centennial Heritage Park, in the city of Glendora, south of Big Dalton Channel 238 Comment
  LA33906  Schoenoplectus acutus var. occidentalis Peter H. Raven; Henry J. Thompson 1959-10-14 14640 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, E-end 220 Comment
  RSA602955  Schoenoplectus americanus Mark Hoefs, Robert F. Thorne, Janet Takara 1995-7-26 2482 Los Angeles Santa Catalina Island: Little Harbor. 3 Comment
  SBBG59258  Schoenoplectus americanus R. Hoffmann 1927-9-23 Los Angeles Oak's Garage, Mint Cyn Comment
  CAS-BOT-BC111236  Schoenoplectus californicus LeRoy Abrams 1901-5-28 1683 Los Angeles Past Ballona Comment
  POM122782  Scrophularia californica subsp. floribunda Marcus E. Jones 1926-5-7 s.n. Los Angeles Claremont. Comment
  CATA1019  Scrophularia villosa Mark L. Hoefs 1995-5-4 1936 Los Angeles Santa Catalina Island: Near road between Cherry Valley and Howlands Landing 91 Comment
  LA52365  Scutellaria tuberosa Martha Hilend; 1930-4-19 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  POM4103  Scutellaria tuberosa C. F. Baker 1903-5-2 4756 Los Angeles Hills near Claremont. Comment
  RSA445375  Scutellaria tuberosa Robert M. Perkins 1938-5-28 s.n. Los Angeles Muholland Hwy. Comment
  UCR48859  Sedum spathulifolium Steve Morgan 1974-5-17 146 Los Angeles San Gabriel Mtns., 8.9 mi east of Big Tujunga Canyon Road, on dirt road 300 yards north of Monte Cristo Ranger Station 976 Comment
  RSA0081655  Sedum spathulifolium Joseph A. Ewan 1932-5-30 7225 Los Angeles North Fork Tujunga Creek. San Gabriel Mts. 1067 Comment
  LA209589  Selaginella asprella Lawrence L. Kiefer; 1966-10-23 2472 Los Angeles San Gabriel Mountains, Squaw Cyn, tributary of the S Fork of Little Rock Creek, near confluence with Cloudburst Canyon 1645 Comment
  LA209590  Selaginella asprella Lawrence L. Kiefer; 1966-10-23 2475 Los Angeles San Gabriel Mountains, vicinity of Winston Peak, ca. 1/3 mi above Camp Pajarita, just above the road 2042 Comment
  CAS-BOT-BC62039  Selaginella bigelovii John H. Thomas 1956-11-8 6477 Los Angeles San Gabriel Mountains, Western side of Santa Anita Canyon about 7 miles NNE of Pasadena 609 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
  UC147996  Senecio californicus C. F. Baker 1909-3-20 5251 Los Angeles Claremont Comment
  UCR124598  Senecio californicus B. C. Templeton, I. W. Clokey 1930-4-8 1058 Los Angeles San Gabriel Mtns, San Francisquito Canyon 900 Comment
  OBI49599  Senecio douglasii var. douglasii David J. Keil 1986-9-27 19740 -2 Los Angeles NW Los Angeles County; along I-5, just S of Hungry Valley Rd exit. roadside pullout 914 Comment
  RSA584130  Senecio flaccidus var. monoensis Timothy S. Ross, S. D. Boyd, Peter W. Fritsch 1990-6-8 2964 b Los Angeles Upper Big Tujunga Canyon (ca. 0.9-1.4 air miles ENE of Barley Flats). 1280 Comment
  RSA167853  Senecio lyonii R. F. Thorne, Percy C. Everett 1964-2-6 33289 Los Angeles Santa Catalina Island, W of Catalina Harbor at Isthmus. 15 Comment
  RSA473038  Senecio lyonii Reid V. Moran 1941-3-2 665 Los Angeles Santa Catalina Island. Point between Wilson's Harbor & Howland's, steep slope above sea. 3 Comment
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Jun 9 2014
  RSA473043  Senecio lyonii F. H. Elmore 1939-2-18 404 Los Angeles San Clemente Island. Comment
  RSA678892  Senecio lyonii Mark A. Elvin, Dylan Hannon, Gery Allan, Curtis Clark 1996-4-19 146 Los Angeles San Clemente Island 9 Comment
  SBBG43850  Senecio lyonii M. R. Benedict 1971-6-27 Los Angeles NW tip of San Clemente Island Comment
  SD90260  Senecio lyonii Robert F. Thorne 1973-4-11 42835 Los Angeles San Clemente Island, steep middle portion of canyon 274 Comment
  RSA675874  Senecio vulgaris LeRoy Gross 2003-3-9 784 Los Angeles Southwest side. A west-east trending ridge southwest of Flint Peak. Entered at west end, at Mount Carmel Drive, east of the (2) Glendale freeway, between Chevy Chase Drive (Sycamore Canyon) to the north,, and Glenoak Blvd. (Scholl Canyon) to the south. 357 Comment
  SFV13499  Senecio vulgaris M. H. Grayum 1977-12-11 924 Los Angeles San Fernando Valley Los Angeles, Northridge. South side of Nordhoff Street, just west of Tampa Ave. 255 Comment
  CAS-BOT-BC364566  Senecio vulgaris Peter H. Raven 1960-4-2 14870 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Zuma Beach, Point Dume 22 Comment
  RSA594406  Setaria parviflora Steve Boyd, Lauren Raz 1996-10-14 9084 Los Angeles Liebre Mountains region, southwest end of Quail Lake, in seasonally flooded depression on south side of Highway 138. 1021 Comment
  RSA595325  Setaria parviflora D. L. Banks 1996-4-24 911 Los Angeles Claremont, localized escape in the lawn at the corner of Doane Ave. & Guilford Ave. Comment
  UCD14567  Setaria viridis Don Ford 1984-8-10 s.n. Los Angeles California, Los Angeles Co.; Lancaster, Antelope Valley Dairy; Comment
  UCR209306  Setaria viridis var. viridis A. C. Sanders, Lorraine Weller, Alejandra Martinez B. 2009-9-16 37185 Los Angeles Los Angeles Basin Region, Los Angeles, Watts area, Bouganvilla Community Garden, East 103rd St. at Grape St. 33 Comment
  UC1012928  Sidalcea malviflora subsp. sparsifolia C. L. Hitchcock 1952-6-2 19565 Los Angeles on road to Gorman about 6 mi w Hughes Lake; w of Hughes Lake on rd to Gorman Comment
  SBBG133412  Silene antirrhina W. F. Hoyer, V. Englert 2010-4-11 SERG 10 -37 Los Angeles just S and above Eagle Curve 496 Comment
  CATA1557  Silene gallica Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-4 2824 Los Angeles Santa Catalina Island: Hillside above New York Harbor 54 Comment
  POM157991  Silene gallica M. B. Dunkle 1928-3-17 1738 Los Angeles Santa Catalina Island, Howland s Landing. Comment
  RSA650329  Silene gallica D. A. Reynolds 1953-3-1 s.n. Los Angeles Northwest section of Trailer Park, Voorhis Unit, Cal Poly, San Dimas. Comment
  UCR3252  Silene laciniata Frances Miller 1964-4-11 M 6421 Los Angeles San Gabriel Mtns., south slopes of Mount Wilson, c. 2 mi. up Orchard Camp Trail from Sierra Madre 762 Comment
  RSA477920  Silene laciniata subsp. major Frances M. Morey 1922-5-22 s.n. Los Angeles Culver City. Comment
  RSA640314  Silene laciniata subsp. major L. C. Wheeler 1931-5-22 s.n. Los Angeles San Gabriel Mountains: Live Oak. Comment
  CAS-BOT-BC389332  Silene lemmonii Geo. B. Grant 1902-6-1 1207 Los Angeles Summit Mt. Wilson Comment
  UCR206258  Silene verecunda R. G. Swinney 2008-6-10 8992 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, north base of peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1732 Comment
  RSA225836  Silene verecunda subsp. platyota R. F. Thorne, C. W. Tilforth, John Dourley 1971-7-27 41076 Los Angeles [Unspecified] Comment
  SFV20997  Silybum marianum L. Gross 2003-5-4 819 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
  UCR73388  Sisymbrium altissimum T. S. Ross 1991-8-14 5754 Los Angeles San Gabriel Mtns, Roundtop Mtn 1890 Comment
  PASA2075  Sisymbrium altissimum Frank W. Peirson 1921-5-18 Los Angeles 1 miles south of Saugus Comment
  UCR145908  Sisymbrium erysimoides Michael Denslow, Steve Boyd 2003-5-7 1089 Los Angeles Transverse Ranges; San Gabriel Mtns, North of Azusa at the end of Glendora Ridge Motorway (1N26) in small unnamed cayon just above small Avocado orchard 274 Comment
  RSA279075  Sisymbrium irio R. F. Thorne, C. W. Tilforth 1971-4-9 41526 Los Angeles Angeles National Forest; or near entrance thereto and below entrance to wooded area of San Dimas Canyon along San Dimas Creek 381 Comment
  POM18182  Sisymbrium irio P. A. Munz 1923-3-10 6582 Los Angeles Claremont. Orchards south of Santa Fe RR. 351 Comment
  RSA660051  Sisymbrium irio Stephen Hill 1981-3-5 31 Los Angeles NE side of old greenhouse on Campus at CalPoly Pomona. Comment
  UC1215137  Sisymbrium irio Peter H. Raven 1962-4-9 17140 Los Angeles San Clemente Island, Wilson Cove, near barracks Wilson Cove; San Clemente Island, Wilson Cove 60 Comment
  SFV1519  Sisymbrium orientale K. A. Wilson 1961-3-12 999 Los Angeles Zuma Beach. On sand above tide line. 3 Comment
  UCR259065  Sisymbrium orientale R. G. Swinney 2010-3-14 11906 Los Angeles San Gabriel Mountains, Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road 447 Comment
  UCR265513  Sisymbrium orientale Dan S. Cooper 2015-3-22 315- 26 Los Angeles Los Angeles Basin/Western Transverse Range, Griffith Park, Los Angeles, north end of Commonwealth Ave. 233 Comment
  CDA3846  Sisymbrium orientale L. C. Wheeler 1973-5-12 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region; San Gabriel Mountains: Gould Mesa Picnic Ground. Comment
  CDA3847  Sisymbrium orientale L. C. Wheeler 1973-4-7 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region; San Gabriel Mountains: Big Tujunga Canyon, near La Paloma Flat. Comment
  RSA0107231  Sisymbrium orientale Steven A. Junak 1998-4-5 SCa- 545 Los Angeles Santa Catalina Island. Just N of road to Toyon Bay, 1.1 road miles from intersection with Airport Road. 317 Comment
  RSA624641  Sisymbrium orientale L. C. Wheeler 1973-5-12 s.n. Los Angeles San Gabriel Mountains: Gould Mesa Picnic Ground. 427 Comment
  CATA918  Sisyrinchium bellum Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-15 1766 Los Angeles Santa Catalina Island: Open slope above Parson's Landing 213 Comment
  SEINET3220969 Image available Sisyrinchium bellum Norman C. Cooper 1945-5-1 2234 Los Angeles Tapia Park area, Santa Monica Mountains. Comment
  POM1754  Sisyrinchium bellum Philip A. Munz 1918-4-30 27 Los Angeles Hills south of Pomona. 366 Comment
  RSA759753  Solanum americanum A. C. Sanders, Lorraine Weller, Alejandra Martinez B. 2009-9-16 37173 Los Angeles Los Angeles, Watts area, 658 East 111th Place between Stanford Ave. and Avalon Blvd. 34 Comment
  RSA12646  Solanum americanum Carl B. Wolf 1934-8-16 6053 Los Angeles peat land on Bryant Ranch east of Long Beach. 700 ft. east of center of sect. 34; 950 ft. So. of No. line of Same. 6 Comment
  UCD126888  Solanum douglasii Kenneth A. Wilson 1961-3-12 1007 Los Angeles Point Dume, summit of Birdview and Cliffside Drive. 38 Comment
  UCR223622  Solanum douglasii R. G. Swinney 2009-6-27 11286 Los Angeles Transverse Range; San Gabriel Mtns./San Gabriel Valley, San Gabriel River Wash, Azusa/Duarte border, 0.5 mi. north of Puente Largo railway bridge 194 Comment
  POM187616  Solanum douglasii Joseph A. Ewan 1930-3-8 3715 Los Angeles Southard Peak Trail. Verdugo Range Comment
  POM8503  Solanum douglasii Philip A. Munz, R. D. Harwood 1920-5-13 3935 Los Angeles Cold Water canyon. 305 Comment
  CATA290  Solanum elaeagnifolium Mark L. Hoefs 1973-6-4 308 Los Angeles Santa Catalina Island: Field above golf course #4 green, Avalon Canyon 53 Comment
  UC1125081  Solanum umbelliferum R. St. John 1933-2-15 337 Los Angeles Pacific Palisades 30 Comment
  UCR191518  Solanum umbelliferum R. G. Swinney 1998-7-8 6316 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  RSA427404  Solanum umbelliferum N. C. Cooper 1945-5-1 2201 Los Angeles Tapia Park area, Santa Monica Mountains. 610 Comment
  RSA545313  Solanum umbelliferum Tim S. Ross, Mathew Bell 1992-3-22 6049 Los Angeles W side of Yerba Buena Road ca 360m NNW of intersection with Mulholland Highway. 488 Comment
  NY820423  Solanum xanti I. W. Clokey 1935-5-9 6879 Los Angeles San Dimas Canyon Comment
  UCD127057  Solanum xanti Geoffrey Levin 1974-4-27 50 Los Angeles San Gabriel Mts. Evey Canyon, a side canyon of San Antonio Canyon. 731 Comment
  NY820514  Solanum xanti L. T. Chamberlain s.n. Los Angeles Comment
  RSA713809  Solidago californica Valerie L. Soza, Miriam Sidibeh 2003-3-26 1623 Los Angeles Western San Rafael Hills: Fern Lane Mtwy, northwest of Flint Peak. 457 Comment
  UCR259594  Solidago californica R. G. Swinney 2010-9-7 13727 Los Angeles San Gabriel Mountains, NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks 1768 Comment
  RSA473613  Solidago californica H. de Forest 1932-10-16 16771 Los Angeles Barley Flats. San Gabriel Mountains, Angeles National Forest. Comment
  RSA473686  Solidago confinis F. R. Fosberg, Joseph A. Ewan 1931-8-13 4942 Los Angeles Big Cienega above Crystal Lake, San Gabriel Mountains. 1982 Comment
  RSA596695  Solidago confinis Steve Boyd, Lauren Raz 1996-9-24 8936 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
  UC88193  Solidago confinis Katharine Curran Sept. 1883 Los Angeles Ravina Comment
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Aug 2 2012
  UC36213  Solidago velutina subsp. californica J. H. Barber 1897-9-29 286 Los Angeles Santa Monica Experimental Station Santa Monica, Santa Monica Experimental Station (Santa Monica, Southern California) Comment
  UCR205097  Sonchus asper R. G. Swinney 2008-4-11 8659 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  UCR256460  Sonchus asper R. G. Swinney 2010-6-8 13191 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail 573 Comment
  UCR59928  Sonchus asper S. J. Myers 1989-4-28 s.n. Los Angeles Palmdale area, Elizabeth Lake Road at California Aqueduct 884 Comment
  RSA355914  Sonchus oleraceus R. F. Thorne 1975-9-4 47386 Los Angeles Santa Catalina Island: Fisherman's Cove; campus of USC Marine Science Center. Comment
  RSA474110  Sonchus oleraceus M. B. Dunkle 1931-4-22 2453 Los Angeles Avalon Canyon, Santa Catalina Island. Comment
  UCR220175  Spartium junceum R. G. Swinney, Jane Strong 2009-4-7 10312 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Antonio Canyon, 2.4 miles north of Shinn Rd. 1073 Comment
  RSA356034  Spergularia bocconi R. F. Thorne 1975-9-4 47393 Los Angeles Santa Catalina Island: Fisherman s Cove; campus of USC Marine Science Center. Comment
  UCR65239  Spergularia bocconi F. R. Fosberg 1931-7-14 S- 05405 Los Angeles Channel Islands, Santa Catalina Island, Echo Lake 350 Comment
  CAS-BOT-BC390270  Spergularia macrotheca var. leucantha Roxana S. Ferris 1918-6-12 916 Los Angeles Lancaster Comment
  RSA0098704  Spergularia villosa R. F. Thorne 1966-9-14 36633 Los Angeles Santa Catalina Island. On roadbank above stream in lower Middle Ranch Canyon ca. 3/4 mi above Ben Weston Beach. 53 Comment
  SEINET9297262  Stachys bullata Unknown 2009-4-16 10350 Los Angeles San Gabriel Mountains Comment
  SFV3244  Stachys bullata K. A. Wilson 1963-5-5 1295 Los Angeles Santa Monica Mountains Old Topanga Canyon Road, 0.5 miles northwest of Topanga Canyon Blvd. 245 Comment
  POM230696  Stachys rigida subsp. quercetorum I. W. Clokey 1935-5-9 9873 Los Angeles Pomona Hills. Comment
  SEINET12273952  Stachys rigida var. quercetorum E. A. Purer 1935-1 6567 Los Angeles Malibou Lodge Road, Santa Monica Mountains Comment
  JEPS53908  Stanleya pinnata Frank W. Peirson 1919-6-13 292 Los Angeles Rock Creek San Gabriel Mountains, Rock Creek 1295 Comment
  RSA608605  Stanleya pinnata var. pinnata R. Setzer 1974-5-20 s.n. Los Angeles San Gabriel Mountains: Hwy N6, 3.5 miles NE of Devils Punchbowl County Park. Comment
  LA32111  Stebbinsoseris heterocarpa Henry J. Thompson; 1959-4-19 1957 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  UCR184116  Stellaria media A. C. Sanders, T. B. Salvato 2007-4-24 33500 Los Angeles Tehachapi Mountains, hills above Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant 1082 Comment
  SBBG19171  Stellaria media M. A. Piehl 1963-12-8 631085 Los Angeles Cave Cyn, 0.25 mi from mouth 30 Comment
  RSA526143  Stephanomeria blairii Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-6 4137 Los Angeles San Clemente Island: Stone House field station on E side of island, headland between Stone & Burns Canyons. 457 Comment
  LA105110  Stephanomeria diegensis Barry A. Prigge; 1988-7-9 8264 Los Angeles Santa Monica Mountains, Calabasas, 0.3 mi SE of N-jtn of Mulholland Hwy and Old Topanga Rd, S of Calabasas High School 405 Comment
  UC454306  Stephanomeria exigua subsp. coronaria I. J. Condit 1908-7-28 Los Angeles Hollywood Comment
  POM34187  Stephanomeria exigua subsp. coronaria Marcus E. Jones 1900-7-12 s.n. Los Angeles Long Beach. Comment
  CAS-BOT-BC375475  Stephanomeria exigua subsp. exigua A. D. E. Elmer 1902-6-1 3693 Los Angeles Acton Comment
  RSA772396  Stephanomeria parryi R. G. Swinney 2009-5-12 10721 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
  UC220721  Stephanomeria pauciflora A. D. E. Elmer July 1902 3501 Los Angeles Lancaster Comment
  RSA588691  Stephanomeria pauciflora var. pauciflora Orlando Mistretta 1995-7-12 1899 Los Angeles San Gabriel Mountains: Little Rock Creek, just N of Guard Station along Little Rock Creek, below the dam. 976 Comment
  POM50179  Stillingia paucidentata A. D. E. Elmer 1902-06 3675 Los Angeles Lancaster. Comment
  UCR130826  Stillingia paucidentata David Charlton 1989-4-21 2892 Los Angeles Mojave Desert (W): Antelope Valley, Ave. 'B' between 120th and 140th St. East, just south of Edwards Air Force Base. 701 Comment
  RSA0115696  Stipa cernua Andrew C. Sanders 2006-5-16 32302 Los Angeles Transverse Range; Liebre Mtns. Region: 0.5 mi west of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon. 960 Comment
  UCR178951  Stipa coronata R. G. Swinney 1989-6-27 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon, 0.2 mi. east of Glendora Mtn. Road 360 Comment
  SEINET10893277  Stipa coronata var. depauperata Peter H. Raven, Henry J. Thompson 1956-6-22 Raven s.n. Los Angeles Large clumps on a burn below Mulholland Drive above Sepulveda Boulevard, Santa Monica Mountains Comment
  CATA1630  Stipa lepida Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Lisa Stratton 1998-5-2 2903 Los Angeles Santa Catalina Island: Near Divide Road, east end 1.7 miles from Wrigley Memorial 256 Comment