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/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  LA6355  Abies concolor Carl Epling; October 1925 sn Los Angeles San Gabriel Mountains, Camp Baldy 1066 Comment
  RSA597119  Abies concolor T. S. Ross, Peter W. Fritsch, S. D. Boyd, Orlando Mistretta 1990-6-22 3712 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon 1939 Comment
  RSA460922  Abronia maritima M. B. Dunkle 1928-4-29 1892 Los Angeles Santa Catalina Island. Little Harbor Comment
  SDSU8430  Abronia maritima R. M. Beauchamp 1967-1-29 161 Los Angeles Growing on the beach at Pyramid Cove. San Clemente Island. Comment
Read comments
May 16 2008
  CAS-BOT-BC229373  Abronia umbellata Geo. B. Grant 1898-4-8 4539 Los Angeles San Pedro Comment
  RSA623974  Abronia umbellata B. F. Krause 1921-4-6 352 Los Angeles Redondo Beach. Comment
  SBBG105345  Abronia umbellata R. M. Beauchamp 1976-5-22 4139 Los Angeles S of Eel Pt Cyn 21 Comment
  SBBG12641  Abronia umbellata E. R. Blakley 1962-6-9 5193 Los Angeles 0.25 mi toward Pyramid Cove from China Pt 30 Comment
  RSA659155  Acacia longifolia Scarlett Mellin 1994-5-28 27 Los Angeles Diamond Bar Hills; Sycamore Canyon Park, N. of Grand Ave. on Golden Springs Drive. Comment
  LA212448  Acacia melanoxylon Jack Pepper; 1953-10-19 s.n. Los Angeles Encino. Comment
  RSA597234  Acacia saligna Scott D. White 1995-3-15 2570 Los Angeles Malibu. Upslope from Winter Canyon, near Pepperdine Univ., N of Pacific coast Hwy., E of Malibu cyn. rd., SW of Malibu Civic Center Way 91 Comment
  RSA0076537  Acanthomintha obovata subsp. cordata Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8558 Los Angeles Liebre Mountains, upper Osito Canyon between Interstate 5 and the Old Ridge Route on gentle slope with grassland patch and adjacent steeper slopes and canyon bottom. 780 Comment
  HSC2803  Acer macrophyllum C. E. Fellows 1965-8-22 119 Los Angeles 1.1 mi. N of Angeles Crest fire station on Angeles Crest Hwy. 762 Comment
  RSA764146  Acer macrophyllum Doris Bowers 1957-5-12 501 Los Angeles Arroyo Seco, Pasadena. 305 Comment
  UC56273  Acer macrophyllum Harley P. Chandler 1897-4-12 Los Angeles Palmer's Canyon Claremong, Palmer's Canyon (Claremont, Damp Canyon) 731 Comment
  RSA0112562  Achillea millefolium R. G. Swinney 2011-6-15 15194 Los Angeles San Gabriel Mountains: Chilao Creek, 100 m south and north of Chilao Campground. 1573 Comment
  CAS-BOT-BC211921  Achnatherum coronatum Mrs. Jos. Clemens 1922-5-30 s.n. Los Angeles Base of Mt. Wilson Comment
  RSA728293  Achnatherum hymenoides Gary D. Wallace, B. Gustafson, Dave Minor, M. Wallace, F. Runyon, B. Birdsal 1982-4-26 1958 Los Angeles Fort Tejon Road Comment
  RSA639723  Achnatherum occidentale subsp. occidentale L. C. Wheeler 1968-6-14 s.n. Los Angeles San Gabriel Mountains: Spring on north side of Blue Ridge by Guffy camp. Comment
  SEINET7072894  Achnatherum speciosum A. G. Vestal 1963-5-22 s.n. Los Angeles Outside Bobs Gap, Antelop Valley. Coordinate datum: WGS84/NAD83. (34? deg. 27' 16" North Latitude, -117? deg. 48' 43" West Longitude; UTM Zone 11, 425420mE, 3812643mN, Coordinate datum: NAD27.). Comment
  CAS-BOT-BC198615  Acmispon argophyllus var. adsurgens Steven A. Junak 1996-6-1 567 Los Angeles S end of island, along E rim of upper china canyno, at head of small side canyn, ca. 0.2 mile SW of top of China Point Road, San Clemente Island 393 Comment
  SD75513  Acmispon argophyllus var. adsurgens M. B. Dunkle 1939-4-2 7200 Los Angeles San Clemente Island: SE Coast; rocky bluff. Comment
  CAS-BOT-BC213459  Acmispon argophyllus var. argophyllus Timothy S. Ross; Steve Boyd; Peter Fritsch; Orlando Mistretta 1990-6-25 3813 Los Angeles Ridgetop to the SW of Crystal Lake, ridge descenting SSW from Mt. Islip, San Gabriel Mountains 1865 Comment
  LA200521  Acmispon argophyllus var. argophyllus O. H. Kappler; 1941-3-26 155 Los Angeles SANTA MONICA MOUNTAINS, Corral Canyon, main ridge at head of canyon. 609 Comment
  SBBG118733  Acmispon grandiflorus var. grandiflorus L. Gross, P. Morton 2004-6-10 1367 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
  UCR282618  Acmispon micranthus Dan S. Cooper 2017-4-13 417- 23 Los Angeles Cornell Corners, ridge east of Kanan Rd. & Cornell Rd. 283 Comment
  SD240995  Acmispon strigosus R. G. Swinney 2009-3-31 10225 Los Angeles Transverse Range; San Gabriel Mtns.: mouth of San Gabriel Canyon, 1.2 mi. north of Foothill Blvd, Azusa/Duarte. 182 Comment
  SD130260  Acmispon strigosus Jerilyn Hirshberg, T. Glenn 1990-5-21 Los Angeles Angeles National Forest, near Agua Dulce; Agua Dulce 7.5' USGS quad. 1219 Comment
  UCSB18817  Acmispon strigosus Barrick, Linda 1963-5-3 Los Angeles Near Mint Canyon Public Campground, west side of U.S. Highway 6 609 Comment
  LA201182  Acmispon wrangelianus Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  CDA3992  Adenocarpus foliolosus G. C. Fleischman Los Angeles Beside service station, Alan Avenue & Villa Street, Pasadena. Northwest corner, north side of fence. 0 Comment
  CAS-BOT-BC133170  Adenostoma fasciculatum Alice Eastwood 1906-6-6 327 Los Angeles Roscoe Comment
  CAS-BOT-BC133181  Adenostoma fasciculatum Marcus E. Jones 1926-5-20 s.n. Los Angeles Mountains near Claremont (San Gabriel Mts.) Comment
  SD69635  Adenostoma fasciculatum Robert F. Thorne, P. Everett 1965-5-10 34442 Los Angeles Santa Catalina Island. In chaparral on south slope of Black Jack Mt., a few hundred feet below summit. 487 Comment
  RSA0091320  Adenostoma fasciculatum var. fasciculatum R. G. Swinney 2011-5-26 14872 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
  RSA650082  Adenostoma fasciculatum var. fasciculatum T. Strid 1971-5-15 s.n. Los Angeles Tujunga Cyn. Comment
  UCR270903  Adenostoma fasciculatum var. fasciculatum R. G. Swinney 2011-5-26 14872 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
  CAS-BOT-BC139851  Adenostoma sparsifolium B. D. Stark 1932-11-20 4421 Los Angeles Lobo Canyon, Santa Monica Mts. (Lobo Canyon is a fork of Triunfo Canyon) 304 Comment
  UCR137597  Adiantum capillus-veneris R. G. Swinney 1989-7-13 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon. Lewis Paul Falls 518 Comment
  CAS-BOT-BC65641  Adiantum jordanii Geo. B. Grant 1901-1-1 177 Los Angeles Pasadena Comment
  RSA177755  Adiantum jordanii R. F. Thorne, Percy C. Everett 1965-5-10 34486 Los Angeles Upper end of Gallagher Canyon; Santa Catalina Island 411 Comment
  UC68803  Aesculus californica H. M. Hall Jun 1905 6311 Los Angeles Tejon Pass 1219 Comment
  RSA225659  Ageratina adenophora R. F. Thorne 1971-5-22 39758 Los Angeles Angeles National Forest; Fish Canyon 396 Comment
  UCR259371  Ageratina adenophora R. G. Swinney 2010-8-26 13590 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  UC1036128  Agnorhiza ovata Sherwin Carlquist 1955-5-13 398 Los Angeles along road n Mt. Wilson pass (past Charlton Flats); Cloudburst Summit Comment
  UCR192852  Agoseris retrorsa R. G. Swinney 1998-7-14 6447 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, 0.8 mi. west of Camp Lupine trail 2262 Comment
  UCSB31628  Agoseris retrorsa Griesel, Wesley 1962-5-2 Los Angeles Switzers Inlet, Upper Arroyo Seco, San Gabriel Mts. 914 Comment
  RSA0011354  Agrostis exarata Orlando Mistretta, Youssef Atallah 2011-8-16 6059 Los Angeles Aliso Canyon; 1.4 miles north of Mill Creek Summit. 1338 Comment
  UCR164853  Agrostis viridis Naomi Fraga, Lisa Rojas 2005-7-7 1610 Los Angeles Transverse Ranges: San Gabriel Mountains region, Cucamonga Canyon, past the gaging station just south of the narrows 732 Comment
  RSA415245  Albizia lophantha Robert Gustafson 1981-4-14 2171 Los Angeles Ballona Wetlands, area 2 Comment
  RSA469450  Aliciella lottiae Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  UCR101726  Alisma triviale L. C. Wheeler 1952-7-10 6857 Los Angeles San Gabriel Valley, Whittier Narrows Dam 58 Comment
  RSA79233  Allium burlewii G. R. Campbell 1952-6-28 17292 Los Angeles South slope of Mt. San Antonio (Baldy); San Gabriel Mts. 2744 Comment
  UC1178595  Allium fimbriatum var. fimbriatum Peter Kamb 1948-5-6 962 Los Angeles desert foothills of the San Gabriel Mts. above Little Rock; San Gabriel Mts. 975 Comment
  UC635211  Allium lacunosum Margaret Stason 1927-5-14 Los Angeles Pinyon Ridge San Gabriel Mts., Pinyon Ridge Comment
  RSA595180  Allium monticola L. C. Wheeler 1970-5-24 s.n. Los Angeles San Gabriel Mountains: Saddle between Mt. Markham and Mt. Lowe. 1615 Comment
  RSA639707  Allium monticola L. C. Wheeler 1968-7-15 s.n. Los Angeles Southwest side Dawson Peak. 2865 Comment
  CAS-BOT-BC472946  Allium monticola V. June Wetherell; C. F. Quibell 1960-5-28 401 CFQ Los Angeles Los Angeles National Forest, San Gabriel Mountains. Mt. Islip gravel slide 2590 Comment
  CATA2  Allium praecox Charlie de la Rosa, Shaun McCoshum 2010-3-11 1 Los Angeles Santa Catalina Island: Roadside near reclamation pond near Blue Cavern Point 48 Comment
  RSA724721  Allophyllum K. Dobry 1991-6-28 d- 872 Los Angeles Santa Monica Mts. Las Virgenes Rd. & Mulholland Hwy. at Soka Univ., E. Section Comment
  RSA0098378  Allophyllum divaricatum R. G. Swinney 2011-6-6 14984 Los Angeles San Gabriel Mountains: Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  RSA0115994  Allophyllum divaricatum R. G. Swinney 2010-8-11 13498 Los Angeles San Gabriel Mountains; San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road. 595 Comment
  RSA28232  Allophyllum divaricatum Verne Grant, Alva Grant 1955-05 9400 Los Angeles [Seed parents in a natural population in Cow Canyon, San Gabriel Mts.] Comment
  POM155770  Allophyllum glutinosum M. B. Dunkle 1928-5-13 1934 Los Angeles Santa Catalina Island. Rock excavation, Coach Road. 274 Comment
  RSA667017  Allophyllum glutinosum Scott D. White 1995-10-19 3714 Los Angeles S edge of Santa Susana Mts., above Chatsworth, +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Blvd.); 0.7-1.0 air mi SE of Chatsworth Peak. 370 Comment
  PASA64  Alnus rhombifolia Sally Ellis 1939-5-12 Los Angeles San Dimas Canyon Comment
  UCR208346  Alnus rhombifolia O. F. Clarke 2004-7-11 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco near Pasadena Comment
  SFV9870  Amaranthus deflexus M. H. Grayum, K. Felt 1977-7-20 838 Los Angeles Venice. Along Rose St. opposite Pioneer Bakery. Comment
  UCR209675  Amaranthus muricatus A. C. Sanders, Lorraine Weller, Alejandra Martinez B. 2009-9-16 37183 Los Angeles Los Angeles Basin Region, Los Angeles, Watts area, Bouganvilla Community Garden, East 103rd St. at Grape St. 33 Comment
  RSA0114166  Amblyopappus pusillus Steven A. Junak 1988-7-17 Sca- 767 Los Angeles Santa Catalina Island. Lower portion of Silver Canyon, ca. 0.25 mi inland from beach. 12 Comment
  RSA585027  Ambrosia acanthicarpa Timothy S. Ross 1991-11-15 s.n. Los Angeles Claremont: RSABG grounds: Indian Hill Mesa. 405 Comment
  SBBG54460  Ambrosia acanthicarpa L. R. Abrams 1930-9-19 12908 Los Angeles Los Angeles Comment
  RSA416924  Ambrosia chamissonis F. R. Fosberg 1930-6-23 s 2982 Los Angeles Del Rey. 2 Comment
  RSA158274  Ambrosia chamissonis var. chamissonis Peter H. Raven 1962-7-12 18031 Los Angeles Northwest Harbor, San Clemente Island 15 Comment
  OBI70991  Amelanchier alnifolia Larry Kelly, David J. Keil 1989-4-21 354 Los Angeles Along Big Pine Hwy Comment
  IRVC26208  Ammi majus A. C. Sanders, Kim Marsden 2003-6-20 26987 Los Angeles Del Valle area, between San Martinez Grande Canyon Rd. and (San Martinez) Chiquito Canyon Rd., north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 305 Comment
  CAS-BOT-BC180602  Amorpha californica var. californica Geo. B. Grant 1904-5-19 6239 Los Angeles Mt. Wilson 1219 Comment
  CHSC95765  Amorpha californica var. californica LeRoy Gross; Laura Moore 2000-6-5 222 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 579 Comment
  SBBG63531  Amsinckia intermedia R. Hoffmann 1929-5-21 Los Angeles Pine Cyn Comment
  UC24626  Amsinckia intermedia J. H. Barber 1897-3-19 71 Los Angeles Santa Monica Exp. Sta. Santa Monica Comment
  RSA0079961  Amsinckia intermedia L. R. Abrams 1903-3-14 3140 Los Angeles San Pedro Hills near Malaga Cove. Comment
  RSA779250  Amsinckia menziesii Pam De Vries 2011-6-16 7772 Los Angeles Western Transverse Range, southwest portion of the Liebre Mountains; about 0.33 mile WNW of the intersection of San Francisquito Canyon Road and Riverview Road, north of the city of Santa Clarita, just west of San Francisquito Creek 427 Comment
  LA40186  Amsinckia menziesii A. M. Johnson; 1933-4-18 sn Los Angeles U.C.L.A. Botanical Garden Comment
  POM368387  Amsinckia tessellata Ora M. Clark 1929-3-30 1918 Los Angeles W of Lancaster Comment
  RSA585528  Amsinckia tessellata Tim Ross, Steve Boyd 1991-3-23 4267 Los Angeles Lovejoy Buttes, on the Mojave Desert. NE portion of the main buttes, west of Lovejoy springs (destroyed by development). 851 Comment
  RSA654410  Anagallis arvensis Matt Brooks 1988-5-12 61 Los Angeles Whittier, Turnbull Canyon Rd. 0.5 miles east of its intersection with Beverly Blvd. Comment
  UCR95744  Ancistrocarphus filagineus Steve Boyd, O. Mistretta, J. Dolan 1996-4-18 8548 Los Angeles Liebre Mtns., upper Osito Canyon between Interstate 5 and Old Ridge Route 854 Comment
  LA33352  Andropogon glomeratus var. scabriglumis Peter H. Raven; 1959-10-25 14702 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, 1.6 mi N of the Coast Hwy. 137 Comment
  SEINET7595072 Image available Andropogon glomeratus var. scabriglumis Louis C. Wheeler 1964-1 8435 Los Angeles San Gabriel Mountains: About half way between Roberts Canyon and Fish Canyon. Comment
  CAS-BOT-BC46941  Androsace elongata subsp. acuta Philip A. Munz 1937-3-26 14937 Los Angeles Puddingstone Canyon, San Dimas. 304 Comment
  RSA587107  Anisocoma acaulis Orlando Mistretta 1995-4-21 1637 Los Angeles Little Rock Creek, Unnamed canyon draining the west slopes of Little Rock Creek Canyon 0.5 mi. N of Kitter Canyon. 1098 Comment
  RSA593819  Anisocoma acaulis Steve Boyd 1996-4-25 8718 Los Angeles Liebre Mountains, southwestern flank of Liebre Mountain, along Forest Service Road 7N22 ca 1.1 mile E of jtn with 7N23. 1220 Comment
  RSA12418  Anthemis cotula C. B. Wolf 1934-4-11 5630 Los Angeles Bryant Ranch, east of Long Beach, 250 ft. northeast of junction of Hathaway, Los Altos and 8th Streets. 15 Comment
  RSA595168  Anthriscus caucalis Steve Boyd 1996-4-25 8688 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
  UCR217432  Anthriscus caucalis R. G. Swinney 2009-3-10 10057 Los Angeles San Gabriel Mtns. Foothills, Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  RSA0081305  Antirrhinum kelloggii R. G. Swinney 2010-3-24 12070 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA80431  Antirrhinum kelloggii F. W. Peirson 189 Los Angeles Laurel Canyon, Santa Monica Mts. Comment
  RSA729337  Antirrhinum multiflorum R. G. Swinney 1999-7-28 7583 Los Angeles San Gabriel Mtns.: Iron Fork, a western tributary of East Fork San Gabriel River Canyon, c. 200 m above confluence. 951 Comment
  LA52028  Antirrhinum nuttallianum subsp. subsessile Carl Epling; 1931-5-9 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  UC625016  Aphanes occidentalis F. R. Fosberg 1931-3-24 S 4341 Los Angeles Hamilton Canyon; Santa Catalina Island 75 Comment
  RSA187918  Apiastrum angustifolium R. F. Thorne 1966-4-6 35882 Los Angeles Santa Catalina Island. Between White and Moonstone Coves 15 Comment
  UCR272548  Arabis glabra R. G. Swinney 2011-6-7 15060 Los Angeles San Gabriel Mountains, Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy. 2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek 1585 Comment
  RSA250333  Arabis platysperma var. platysperma R. F. Thorne, Larry E. DeBuhr 1972-8-18 42255 Los Angeles San Gabriel Mts., Angeles National Forest: ridge running E from peak of Mt. Islip 2407 Comment
  RSA659844  Arabis platysperma var. platysperma Orlando Mistretta 1991-7-30 s.n. Los Angeles Mt. Baldy 2439 Comment
  RSA776480  Arabis platysperma var. platysperma Jane Tirrell 2011-7-25 LS- 36 Los Angeles Along use trail from mile marker 66.36 on Highway 2 to Windy Gap. 2252 Comment
  UCR273409  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 1790 Comment
  UC2030109  Arabis sparsiflora var. californica Valerie Soza, LeRoy Gross 2001-4-24 1178 Los Angeles Transverse Ranges, San Gabriel Mountains region: Santa Anita 1999 Fire Area, above Santa Anita Canyon, ca. 0.5mile WNW of the Santa Anita Dam. Comment
  CAS-BOT-BC128636  Arbutus menziesii L. Street 1918-5-19 s.n. Los Angeles Mt. Wilson's Trail 914 Comment
  RSA715422  Arceuthobium divaricatum R. G. Swinney 1997-9-6 5864 Los Angeles Forest Service Rd 4N06 (up Mescal Cyn), 2.6 mi N of Big Pines Rd. About 10 mi W of FS Rd. 75 meters S of only point where stream crosses road. 1585 Comment
  UC1595454  Arctostaphylos Tim Ross 1992-7-10 6642 Los Angeles 310 m e where Coldwater Canyon meets Big Tujunga Creek (just s of creek, e side of road to Colby Ranch); San Gabriel Mountains, Big Tujunga Canyon 972 Comment
  RSA626689  Arctostaphylos glandulosa Allen Massihi, Jon E. Keeley 1992-7-27 15732 Los Angeles Southwest of Bear Divide, off Little Tujunga Road. 950 Comment
  RSA626778  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-8-20 20498 Los Angeles Angeles Crest Highway (mid-elevation Arctostaphylos site), 12 km south of turnoff to Singing Pines Campground. 1545 Comment
  RSA250432  Arctostaphylos glauca R. F. Thorne 1967-3-23 41614 Los Angeles San Gabriel Mts., Angeles National Forest: San Gabriel Canyon near Coldbrook. 1067 Comment
  RSA631496  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16042 Los Angeles Ridge Route, 9 km south of Liebre Gulch turnoff. 1000 Comment
  RSA631530  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15995 Los Angeles Hughes Lake Road, south of Cottonwood Campground. 800 Comment
  RSA631677  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-10-11 22069 Los Angeles Dirt road between Chilao and Mill Creek Summit, ca. 100 m north on side road to Pacifico Mountain. 2000 Comment
  RSA652401  Arctostaphylos glauca Brent Mishler 1977-10-6 s.n. Los Angeles San Gab. R. flood control Area, Irwindale. 170 Comment
  RSA634330  Arctostaphylos parryana subsp. parryana Jon E. Keeley 1992-10-15 22082 Los Angeles Entrance to Crystal Lake Recreation Area, San Gabriel Mountains. 1720 Comment
  RSA634731  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20567 Los Angeles Road to Sulphur Springs Cpgrd., 4 km N of Angeles Crest Hwy, N of Chilao Cpgrd. San Gabriel Mtns. 1840 Comment
  RSA634786  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20469 Los Angeles S of Sulphur Springs Cpgrd, N of Angeles Crest Hwy, San Gabriel Mtns. 1700 Comment
  RSA634816  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20231 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA634824  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22022 Los Angeles Dirt road between Chilao and Mill Creek Summit, 2.7 km E of turnoff to Pacifico Mtn., San Gabriel Mtns. 1825 Comment
  RSA634873  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20219 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA634879  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20438 Los Angeles Road to Sulphur Springs Campground, 0.2 km north of dirt road to Pacifico Mtn., north of Chilao, San Gabriel Mtns. 1650 Comment
  RSA635105  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20470 Los Angeles S of Sulphur Springs Cpgrd, N of Angeles Crest Hwy, San Gabriel Mtns. 1700 Comment
  RSA635152  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20527 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA635187  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20396 Los Angeles Road to Pacifico Mtn., 7.5 km east of Mill Creek Summit, San Gabriel Mtns. 1878 Comment
  UCR202685  Arenaria nuttallii subsp. gracilis R. G. Swinney 2001-8-9 8031 Los Angeles San Gabriel Mtns., Pleasant View Ridge, saddle at the west end of Mt. Williamson 2500 Comment
  UC57614  Argemone munita J. H. Barber 1898-8-5 Los Angeles Malibu Comment
  CAS-BOT-BC401799  Argemone munita subsp. rotundata Gerald B. Ownbey; Findley Ownbey 1954-5-28 2118 Los Angeles Soledad Canyon, 7.0 miles w. of Ravenna, e.g., at junction of Hwy. with Agua Dulce creek road 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
  UCD56356  Aristida longespica var. geniculata P. B. Dickey 1939-7-28 723 Los Angeles Littlerock SCS nursery. 853 Comment
  SBBG62486  Artemisia R. Hoffmann 1927-8-31 Los Angeles Oak's Garage, Mint Cyn Comment
  LA30498  Artemisia californica Jane Turner; Ted Mosquin 1958-11-16 647 Los Angeles Santa Monica Mountains, Mulholland Road, 6.2 mi W of Fire Station Comment
  UC53903  Artemisia californica Ernest Braunton 1902-9-1 690 Los Angeles Ballona Slough Comment
  UC625051  Artemisia douglasiana F. R. Fosberg 1931-7-11 S 5381 Los Angeles Cape Canyon Santa Catalina Island, Cape Canyon 220 Comment
  UCR124396  Artemisia douglasiana I. W. Clokey, B. C. Templeton 1929-1 4594 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  UCR243005  Artemisia douglasiana R. G. Swinney 2009-8-6 11513 Los Angeles Transverse Range; San Gabriel Mountains, Lodi Canyon Falls, first major waterfall up canyon from confluence with San Dimas Canyon, San Dimas Experimental Forest 476 Comment
  CAS-BOT-BC93829  Artemisia dracunculus Fordyce Grinnell 1903-12-22 30 Los Angeles Arroyo Seco Canyon [Canon] near Pasadena Comment
  UCR259663  Artemisia dracunculus R. G. Swinney 2010-8-30 13640 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon bottom, 0.1 miles south of confluence with Winter Creek 537 Comment
  SBBG98326  Artemisia tridentata subsp. parishii P. A. Munz 1923-11-11 7803 Los Angeles Newhall Comment
  SEINET228698 Image available Artemisia tridentata subsp. parishii Leila M. Shultz, John S. Shultz 1981-10-14 5719 Los Angeles Rancho Santa Ana Botanic Garden Comment
  RSA589095  Artemisia tridentata subsp. tridentata Orlando Mistretta 1994-9-13 1462 Los Angeles San Gabriel Mountains; Santiago Canyon; Santiago Creek near jct. of Forest Road 4N20 and BM 3980. 1213 Comment
  POM246789  Arthrocnemum subterminale F. R. Fosberg 1931-5-17 4888 Los Angeles Santa Catalina Island. Little Harbor. 5 Comment
  RSA0104729  Asclepias eriocarpa R. G. Swinney 2008-7-24 9271 Los Angeles San Gabriel Mtns.: Waterman Mountain. 2412 Comment
  UCR202515  Asclepias eriocarpa R. G. Swinney 2001-8-9 8025 Los Angeles San Gabriel Mtns., Mount Williamson, western ridge 2515 Comment
  LA200072  Aspidotis californica Lawrence L. Kiefer; 1966-3-12 1700 Los Angeles SANTA MONICA MOUNTAINS, Cold Creek Rd. S of Mulholland Hwy, just N of Cold Creek and E of road. 304 Comment
  LA3681  Aspidotis californica Carl Epling; Lincoln Ellison 1966-3-30 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  UCR208182  Aspidotis californica I. W. Clokey, B. C. Templeton 1929-1 4435 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  LA202858  Asplenium vespertinum Lawrence L. Kiefer; 1967-4-29 3345 Los Angeles San Gabriel Mountains, Pensinger(?) Canyon (tributary of San Gabriel River), N of Glendora ca. 1 mi. up, around tributary pt 609 Comment
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Jun 17 2014
  SEINET3859915  Aster subulatus R. G. Swinney 2009-4-17 10386 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: Azusa, San Gabriel Canyon was, 0.1-0.5 mi. west of San Gabriel Bike path parking lot, at Azusa Canyon Rd (Hwy 39), ca 0.6 mi. north of Sierra Madre Ave.; 0 213 Comment
  UCR99512  Aster subulatus var. ligulatus Steve Boyd, Lauren Raz 1996-10-14 9085 Los Angeles Liebre Mtns., SW end of Quail Lake, in seasonally flooded depression on south side of Hwy 138. 1021 Comment
  POM4790  Aster subulatus var. ligulatus I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] Comment
  PASA1806  Aster tortifolius Margaret Stason 1930-5-18 Los Angeles E. Adelanto Comment
  RSA725762  Astragalus didymocarpus A. C. Sanders 2003-5-1 26259 Los Angeles Western San Gabriel Mtns.: SE slopes of Castaic Mesa above Charlie Canyon, east of Lake Hughes Rd. and ESE of the filtration plant, Newhall Ranch property. 396 Comment
  UCR126572  Astragalus didymocarpus A. C. Sanders 2003-4-16 26035 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, under powerlines south of Magic Mountain Parkway, near I-5 and new golf course 366 Comment
  RSA90226  Astragalus douglasii var. douglasii F. W. Peirson 1918-6-16 582 Los Angeles Rock Creek, north slope of San Gabriel Mountains 1448 Comment
  RSA415515  Astragalus gambelianus Anstruther Davidson 1891-6-26 s.n Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC187070  Astragalus lentiginosus H. M. Hall 1900-6-3 1485 Los Angeles Swarthout Canyon. San Antonio Mountains 1828 Comment
  RSA667964  Astragalus leucopsis Peter J. Mehringer 1958-3-8 s.n. Los Angeles Decker Canyon Road, and US 101, Santa Monica Mountains. 15 Comment
  RSA51387  Astragalus trichopodus var. lonchus L. S. Rose 1949-4-22 49107 Los Angeles U.S. highway 101, 5 miles E of Ventura Co. line. Comment
  SBBG44173  Astragalus trichopodus var. lonchus M. R. Benedict 1967-4-4 Los Angeles N side of Pacific Coast Hwy, 0.25 mi E of Encinal Cyn Rd Comment
  UC130907  Astragalus trichopodus var. phoxus Katharine Brandegee May 1909 Los Angeles Saugus -- along the creek Comment
  LA32257  Athysanus pusillus Peter H. Raven; Henry J. Thompson 1959-4-3 13925 Los Angeles Santa Monica Mountains, just E of Malibu Junction 243 Comment
  SD248392  Atriplex amnicola R. E. Riefner Jr. 2013-1-5 13 9 Los Angeles Los Angeles, Dockweiler State Beach, vicinity Vista Del Mar Blvd. at Imperial Hwy. 14 Comment
  CAS-BOT-BC170616  Atriplex argentea Ralph Hoffmann 1931-9-28 s.n. Los Angeles Lancaster Comment
  POM307320  Atriplex canescens subsp. canescens Henry J. Ramsey, Henry J. Ramsey 1937-8-7 2219 Los Angeles Sand Canyon, San Gabriel Mountains Comment
  CAS-BOT-BC168277  Atriplex canescens var. canescens A. D. E. Elmer 1902-6-1 3647 Los Angeles Lancaster Comment
  SBBG128211  Atriplex coulteri M. L. Hoefs, S. A. Junak, R. Philbrick 2001-5-18 3174 Los Angeles near rd between Cottonwood Cyn and Black Jack Cmpgrd 225 Comment
  RSA746735  Atriplex glauca A. C. Sanders, T. B. Salvato 2009-5-19 36812 Los Angeles San Gabriel Valley; Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center. 110 Comment
  POM213071  Atriplex johnstonii C. B. Wolf 1930-12-23 5740 Los Angeles Sun sandy soil of coastal bluffs at Playa del Rey. Upper Sonoran Zone 10m. W. of Vista del Mar St. & 2.5 m. so. of no. curb of Freeman St. 30 Comment
  SEINET4135195  Atriplex lentiformis Grant D. Brown 1950-11-24 568 Los Angeles Base of Palisades bet. Wilshire and California Ave. in Santa Monica.; 0 8 Comment
  RSA624499  Atriplex lentiformis subsp. breweri L. C. Wheeler 1933-9-2 2094 Los Angeles Santa Monica: 4 Comment
  UC7045  Atriplex lentiformis subsp. lentiformis J. Burtt Davy October 1896 2749 Los Angeles Santa Monica Canyon Comment
  RSA478285  Atriplex leucophylla Jack Rempel 1932-4-23 s.n. Los Angeles El Segundo. Comment
  RSA478379  Atriplex rosea Robert L. Dressler 1948-7-28 67 Los Angeles Baldwin Hills, rolling hills with grass cover. Comment
  RSA587185  Atriplex semibaccata Scott D. White 1995-12-5 3763 Los Angeles Marina Del Rey area; State Rt. 90 median strip between Culver Bl. and Mindanao Way 5 Comment
  RSA65374  Atriplex semibaccata F. W. Peirson 1919-2-16 1816 Los Angeles Point Fermin. Comment
  SDSU5564  Atriplex semibaccata R. M. Beauchamp 1967-3-17 251 Los Angeles San Clemente Island. Comment
  RSA422253  Atriplex serenana Anstruther Davidson 1900-07 2941 Los Angeles City streets, Los Angeles. Comment
  LA202404  Atriplex suberecta Arthur C. Gibson; 2004-9-5 5061 Los Angeles Santa Monica Mountains, Liberty Canyon, near old homesteads, ca 150 m from eucalyptus grove, on state park land Comment
  RSA127825  Atriplex subspicata P. H. Raven, H. J. Thompson 1959-9-6 14370 Los Angeles Salt marsh at mouth of Malibu Creek. 3 Comment
  RSA598897  Avena barbata Steve Boyd, Timothy S. Ross 1997-3-21 9213 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  RSA748669  Avena barbata R. G. Swinney 2008-3-31 8589 Los Angeles Glendora Mountain summit 1003 Comment
  SD260153  Avena barbata R. G. Swinney 2010-5-19 12831 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
  UCR51523  Avena barbata A. C. Sanders 1987-12-4 7575 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr. 31 Comment
  LA212343  Avena barbata P. R. Brown; 1971-4-1 s.n. Los Angeles Pierce College Nature Center. East slope, Canon de Lana. 274 Comment
  SBBG113124  Avena fatua S. A. Junak with M. L. Hoefs, S. Crockett 1997-3-27 SCa 370 Los Angeles Skull Cyn, ca. 0.4 rd mi from intersection with Middle Ranch Cyn Rd 228 Comment
  CAS-BOT-BC98730  Baccharis douglasii Louis C. Wheeler 1933-10-7 2165 Los Angeles Liveoak Canyon, San Gabriel Mts. 701 Comment
  UC1595287  Baccharis pilularis Tim Ross 1991-3-10 4221 Los Angeles e side of, (Bernard Field Stn, near Phake Lake, marked as Pit on topo map) RSA; Claremont, Phake Lake 391 Comment
  CAS-BOT-BC106757  Baccharis salicifolia I. Johnston 1917-4-11 s.n. Los Angeles Wilmington Comment
  LA88392  Baccharis salicifolia O. H. Kappler; 1941-3-12 118 Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA0048506  Berberis aquifolium Jack Pepper 1951-1-15 s.n. Los Angeles Canoga Park. 243 Comment
  SEINET3146115  Blepharipappus glandulosus G. B. Grant 1904-5-5 112 Los Angeles Arroyo Seco Cyn., Sierra Madre Mts. Comment
  UC450800  Bloomeria crocea Fay A. Macfadden 1931-4-28 80 E Los Angeles Tuna Canyon Verdugo Hills Comment
  CATA529  Bloomeria crocea Sara L. Crockett 1997-4-29 681 Los Angeles Santa Catalina Island: End of unnamed road, 0.4 mile beyond jct. with road leading to Bulrush Canyon/Salta Verde 451 Comment
  RSA652078  Bloomeria crocea K. M. Kosak 1961-5-17 sn Los Angeles San Dimas: hillside near Puddingstone Dam. Comment
  RSA367313  Bloomeria crocea var. crocea C. B. Liter, J. A. Powell 1928-4-2 s.n. Los Angeles Santa Catalina Island. NW of Avalon. Comment
  UC213312  Bothriochloa barbinodis I. M. Johnston 1917-11-30 1800 Los Angeles San Antonio Mountains, mouth of Live Oak Canyon Live Oak Canyon; San Antonio Mountains, Live Oak Canyon 457 Comment
  UC76929  Bothriochloa barbinodis Geo. B. Grant Jun 1902 41 Los Angeles Pasadena Comment
  RSA709605  Bowlesia incana A. C. Sanders, A. Thompson 2003-4-15 25995 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park. 305 Comment
  SD85087  Bowlesia incana E. R. Blakley 1963-12-8 6389 Los Angeles San Clemente Island, Canyon head above Mosquito Cove and between Triangulation Points, Malo and Chenity. 274 Comment
  RSA0022978  Boykinia rotundifolia Duncan S. Bell, Caitlin Elam 2013-6-24 5230 Los Angeles San Gabriel Mountains region: Sheep Mountain Wilderness; East Fork of the San Gabriel River, between Allison Gulch and Rattlesnake Canyon. 740 Comment
  UCR271206  Boykinia rotundifolia R. G. Swinney 2011-11-1 15970 Los Angeles San Gabriel Mountains, West Fork San Gabriel River Scenic Bikeway, 2.3 miles below (downstream) from Glen Campground, 0.68 miles downstream from Pasadena Bait Club, along FS Rd 2N25 561 Comment
  LA210055  Brassica rapa John O'Leary; 1950-7-6 Los Angeles Santa Monica Mountains, UCLA campus 121 Comment
  POM214316  Brassica rapa L. C. Wheeler 1934-3-23 2463 Los Angeles San Dimas Canyon 426 Comment
  RSA127982  Brickellia californica H. J. Thompson 1958-10-22 1812 Los Angeles Santa Monica Mountains, N slope of Mt. Hollywood 381 Comment
  LA200175  Brickellia californica Jonathan Sauer; D. Bradbury, A. Lang 1969-9-25 4611 Los Angeles Santa Monica Mountains, Sequit Point 7 Comment
  SEINET10863375  Brodiaea capitata W. C. Muenscher, M. W. Muenscher 1939-3-20 Muenscher 14706 Los Angeles Whittier Hills Comment
  RSA188310  Brodiaea jolonensis Robert F. Thorne 1966-6-1 36491 Los Angeles Santa Catalina Island: near margin of reservoir at upper end of Cape Canyon. 335 Comment
  SBBG98549  Brodiaea kinkiensis T. Ross, O. Mistretta, M. Hammitt 1991-5-20 5317 Los Angeles between Box and Horse Cyns 486 Comment
  UC1200400 Image available Brodiaea kinkiensis Theodore F. Niehaus 1965-4-3 407 Los Angeles 0.5 mi w Stone (at junction with main island road); San Clemente Island 425 Comment
  LA201743  Brodiaea terrestris subsp. kernensis Arthur C. Gibson; 2001-5-19 4806 Los Angeles Santa Monica Mountains, near the village of Topanga Comment
  UC188874  Bromus arizonicus Geo. B. Grant Apr. 1902 4093 Los Angeles Altadena; Southern California, Altadena Comment
  SEINET4344921  Bromus berteroanus Unknown 1904-4-16 123 Los Angeles Los Angeles Comment
  SBBG128787  Bromus carinatus M. L. Hoefs 1995-6-21 2297 Los Angeles Upper Bullrush Cyn 286 Comment
  SEINET10468954  Bromus carinatus var. californicus David B. Dunn 1941-2-21 Dunn 677 Los Angeles Westwood blvd 1 block s of santa monica. West los angeles. Comment
  SEINET935025  Bromus carinatus var. marginatus Tim Ross, Orlando Mistretta, Mike Hammitt 1991-1 5070 Los Angeles Lower Wilson Cove Canyon; Rancho Santa Ana Botanic Garden; Celemente Island 15 Comment
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Jun 19 2015
  UCD58343  Bromus catharticus Gordon Pilone 1960-11-23 66 Los Angeles First orange grove north of Foothill Blvd. on Indian Hill Blvd. in Claremont. San Gabriel Mountain Range. 390 Comment
  LA105338  Bromus diandrus Barry A. Prigge; 1989-4-23 8412 Los Angeles Santa Susana Mountains, ridge between Falls Creek and Blind Canyon, 1.5 mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 579 Comment
  RSA529286  Bromus diandrus Timothy S. Ross 1991-4-8 4472 Los Angeles Elephant Hill: western Pomona 229 Comment
  SD31217  Bromus diandrus Edith A. Purer 1931-4-28 1766 Los Angeles Palos Verdes Hills; near roadside Comment
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Jul 11 2010
  LA200944  Bromus diandrus Norman A. Cole; May 1964 322 .1 Los Angeles 518 Comment
  RSA229206  Bromus grandis R. F. Thorne, C. W. Tilforth 1971-6-30 40832 Los Angeles San Gabriel Mountains, Angeles National Forest: 3.3 miles below Alder Saddle along & above S Fork of Little Rock Creek 1433 Comment
  RSA600086  Bromus grandis Steve Boyd, Lauren Raz 1997-5-20 9799 Los Angeles Liebre Mountains region: Northern flank of Sawmill Mountain, upper Heryford Canyon drainage, just northeast of Sawmill Summit at the junction of Forest Service roads 7N23 and 7N08. 1341 Comment
  UCR213965  Bromus hordeaceus Dave Silverman, Cindy Hopkins 2007-4-24 6740 Los Angeles Tejon Ranch, 1.8 km ESE of National Cement plant, 1.0 km W of Oso Pump Plant-CA Aqueduct, and 290 m S of the county line 976 Comment
  UCSB12226  Bromus hordeaceus Hochberg, Fred 1961-3-17 Los Angeles Below Cape Canyon Dam; Black Jack Ranch; Cape Canyon, Catalina Island Comment
  RSA0113726  Bromus madritensis Steven A. Junak 1999-5-20 SCa- 944 Los Angeles Santa Catalina Island. Just S of Cottonwood-Black Jack Road. 305 Comment
  CATA846  Bromus madritensis subsp. rubens Mark L. Hoefs 1991-6-26 1446 Los Angeles Santa Catalina Island: Upper Cape Canyon at Cape Canyon Reservoir 390 Comment
  CATA926  Bromus madritensis subsp. rubens Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-15 1783 Los Angeles Santa Catalina Island: North of road between Emerald Bay and Parsons Landing 121 Comment
  LA210432  Bromus madritensis subsp. rubens Peter H. Raven; Henry J. Thompson 1960-4-13 15073 Los Angeles Santa Monica Mountains, Mt. Hollywood 335 Comment
  RSA11192  Bromus rubens C. Epling 1931-4-25 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon. Comment
  RSA316345  Bromus rubens R. F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 54959 Los Angeles 1/4-1/2 mile north of Bob's Gap, north slope of Holcomb Ridge, about 2.5 miles due south of Llano. 1159 Comment
  RSA706980  Bromus rubens L. M. Prince, N. Refulio 2002-3-25 2 -282 Los Angeles Los Angeles National Forest north of Claremont. ~4 km north of San Antonio Dam on Mt. Baldy Rd. In NE facing ravine. 900 Comment
  SBBG93450  Bromus rubens T. S. Brandegee 1890-5-15 Los Angeles Santa Catalina Island Comment
  UCD59557  Bromus rubens Austin Griffiths Jr. 1969-5-15 5499 Los Angeles Along western berm of Baldwin Avenue north of Cambridge Drive. Comment
  IRVC26169  Bromus sterilis A. C. Sanders, Mark A. Elvin 2003-6-18 26963 Los Angeles private dirt road along crest of range, above Salt Canyon Santa Susana Mountains, Western Transverse Range 976 Comment
  UCR191529  Bromus tectorum R. G. Swinney 1998-7-8 6322 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat 2280 Comment
  UCR97650  Bromus trinii A. C. Sanders, D. Woodard & G. Goodlet 1997-2-7 19671 Los Angeles Mojave Desert: Antelope Valley, Little Rock, W side of Little Rock Wash just north of the RR and among gravel pits. 832 Comment
  RSA743532  Caesalpinia spinosa Sara L. Crockett 1997-2-19 C- 65 Los Angeles Santa Catalina Island: Behind Kid Ventures building, lining parking lot (along margin of Las Casitas). 27 Comment
  CAS-BOT-BC233955  Calandrinia breweri John Thomas Howell 1928-3-4 3384 Los Angeles Santa Monica Mts., ne. of Pacific Palisades Comment
  UC457254  Calandrinia breweri Carl Epling 1931-4-18 Los Angeles Los Alisos Canyon Santa Monica Mountains Comment
  RSA0113905  Calandrinia ciliata LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7549 Los Angeles Arrastre Canyon. Started near mouth of canyon, near 34.44397N 118.20032W. Ended on top of a small knoll, near 34.43011N 118.18667W. 804 Comment
  CATA3017  Calandrinia menziesii Amy Catalano 2016-2-26 023 Los Angeles Santa Catalina Island: Above northwestern end of Empire Quarry 148 Comment
  SBBG118600  Calandrinia menziesii J. Henrickson 1985-3-30 19760 Los Angeles ca. 3 air mi NNW of Newhall in North Hills, just N of Santa Clara River, just E of San Francisquito Crk 370 Comment
  UCR256834  Calocedrus decurrens R. G. Swinney 2010-9-9 13761 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  UC714933  Calochortus albus R. C. Foster 1937-6-6 344 Los Angeles n of Claremont (foothills of San Gabriel Mts.); San Gabriel Mts., Cobal Canyon Comment
  RSA591985  Calochortus catalinae Mark Hoefs, Doug Propst 1973-4-6 175 Los Angeles Santa Catalina Island: upper Cape Canyon 305 Comment
  RSA377297  Calochortus catalinae Anstruther Davidson 1890-3-30 s.n. Los Angeles Foot hills L.A. Comment
  UCD139492  Calochortus clavatus Gerald Dickinson 1962-5-19 42 Los Angeles 3 miles west of Topanga Canyon-Mulholland, Santa Monica Mountains. 356 Comment
  SEINET3881209  Calochortus clavatus Gale Sphon 1959-5-8 329 Los Angeles About 3.5 miles W of Soladad Canyon turnoff on Highway 6, Mint Canyon.; 0 Comment
  RSA641373  Calochortus clavatus var. gracilis Orlando Mistretta 1995-6-23 1838 Los Angeles San Gabriel Mountains: Lookout Mt. Trail. 1814 Comment
  SEINET12053893  Calochortus flexuosus J. Bright, Wyman, C. 1931-1 5489 Los Angeles near Pasadena Comment
  UC1043438  Calochortus invenustus Richard M. Straw 1954-6-16 619 Los Angeles Horse Flats road, off Angeles Crest Hwy San Gabriel Mts. Comment
  CAS-BOT-BC483411  Calochortus invenustus Robert F. Thorne; C. W. Tilforth; John Dourley 1969-7-29 38903 Los Angeles Canyon above Angeles Crest Highway, c. 1 mile west of Vincent Gap at the one of headwaters of east fork Big Rock Creek north face Mt. Baden-powell, Angeles National Forest, San Gabriel Mountains 2331 Comment
  RSA249804  Calochortus kennedyi var. kennedyi Robert F. Thorne 1973-5-11 43458 Los Angeles Mojave Desert Slope: 1/4-1/2 mile N of Bobs Gap, N slope of Holcomb Ridge, ca. 2 1/2 miles due S of Llano. 1159 Comment
  RSA735591  Calochortus plummerae A. Edwards, A. Rudalevige 2008-6-3 125 Los Angeles Los Angeles County: Sunset Canyon in Verdugo foothills N of Burbank, along a former fire break, in sandy soils mainly on a moderate SE facing slope. In california sagebrush scrub and mixed chaparral vegetation 534 Comment
  RSA753678  Calochortus plummerae A. Edwards, B. Edwards 2009-6-6 131 Los Angeles City of Monrovias Hillside Wilderness Preserve, located at saddle of Clamshell Truck Trail. 463 Comment
  JEPS61757 Image available Calochortus venustus Frank W. Peirson 1920-5-16 2146 Los Angeles Tujunga San Gabriel Mts. 457 Comment
  RSA0089372  Calochortus venustus Mitch Provance 2010-5-18 0510 -48 Los Angeles Westernmost Mojave Desert: along Hwy 138, c. 0.5 mile WSW of intersection with 300th St. West. 940 Comment
  UCR120891  Calochortus venustus L. C. Wheeler 1967-5-18 9656 Los Angeles Western Transverse Range; San Gabriel Mountains, Divide between Reynier and Placerita Canyon 610 Comment
  RSA735911  Calochortus weedii var. intermedius Justin M. Wood 2008-5-28 4 Los Angeles Brea Canyon, hills to the E of the 57 freeway, adjacent to the SCE powerline tower. Comment
  CHSC100398  Calyptridium monandrum John Dittes; Josephine Guardino 2008-2-23 1503 Los Angeles Western Transverse Ranges; Santa Gabriel Mtns.; Big Tujunga Cyn; ca. 2.4 air-miles SE of Mt. McKinley, ca. 4.3 air-miles NE of Mt. Gleason Jr. Highschool; near Delta Flat Picnic Area; alluvial terrace north of Big Tujunga Creek. 529 Comment
  SBBG69697  Calyptridium monandrum R. Hoffmann 1931-5-2 Los Angeles above Fetterley's, San Francisquito Cyn Comment
  RSA0095350  Calystegia felix Anstruther Davidson 1902-05 1892 Los Angeles Riviera [Pico Rivera]. Comment
  CDA1001  Calystegia macrostegia D. G. Kelch 1991-3-17 1301 Los Angeles Santa Catalina Is.; 1.5 km N of Avalon. 0 Comment
  SBBG128433  Calystegia macrostegia M. L. Hoefs, D. R. Hoefs, H. Greene 1992-4-21 1819 Los Angeles Cottonwood Cyn, SE of El Rancho Escondido 45 Comment
  UCR282588  Calystegia macrostegia Dan S. Cooper 2017-5-25 517- 35 Los Angeles Los Angeles River at Newell St. 100 Comment
  OBI60245  Calystegia macrostegia Kim Sheffron 1994-4-9 2 Los Angeles Santa Susana Mts, Chatsworth, 0.3 mi S of 118 fy on De Soto on W side of Road Comment
  RSA653772  Calystegia macrostegia subsp. arida J. Bogdanoff-Lord 1989-5-21 18 Los Angeles Angeles National Forest: 3.9 miles NNE of the intersection of Base Line and Mills, Claremont, on west side of Mt. Baldy Road. Comment
  UCR231071  Calystegia macrostegia subsp. arida Dan S. Cooper 2011-9-19 s.n. Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Forest Lawn Dr. adjacent to Forest Lawn Cemetery 159 Comment
  CATA72  Calystegia macrostegia subsp. macrostegia Mark L. Hoefs 1973-3-11 55 Los Angeles Santa Catalina Island: Renton Mine Road 213 Comment
  RSA0004010  Calystegia occidentalis subsp. fulcrata F. W. Peirson 1929-7-1 8448 Los Angeles Mt. Pacifico. 1905 Comment
  CAS-BOT-BC215907  Calystegia peirsonii T. Krantz 1979-6-20 s.n. Los Angeles Along roadcut of Bouquet Canyon Road, just E of junction 6N04, E of Bouquet Reservoir under the powerlines, San Gabriel Mts. Comment
  UC2027708  Calystegia peirsonii Anuja Parikh with Nathan Gale 2011-6-6 3420 Los Angeles WTR, E Liebre Mountains, Sierra Pelona, 5.0 km W of State Highway 14, 1.6 km SW of California Aqueduct. Comment
  RSA530923  Camelina microcarpa Rochnell 1920-05 s.n. Los Angeles Glendale. Comment
  IRVC26435  Camissonia bistorta A. C. Sanders 2003-4-29 25699 Los Angeles Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. Western San Gabriel Mtns. 396 Comment
  POM250397  Camissonia bistorta I. W. Clokey, Bonnie C. Templeton 1930-4-8 4693 Los Angeles San Francisquito Canyon. 700 Comment
  RSA758001  Camissonia bistorta D. E. Bramlet, Jennifer Pareti 2008-4-14 4187 Los Angeles Transverse Ranges; Liebre Mtns region: Bouquet Canyon. 762 m SE of Bouquet Cyn Rd, & 549 m S Hayfork Rd. Comment
  SEINET4680883  Camissonia bistorta A. C. Sanders, Helen Kennedy 2005-4-13 29490 Los Angeles Western San Gabriel/Liebre Mountains. Region: Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyon.; 0 457 Comment
  UCR99579  Camissonia bistorta Jack Easton 1997-2-25 s.n. Los Angeles Glendale: western toe of San Rafael Hills 305 Comment
  RSA466148  Camissonia californica M. B. Dunkle 4925 Los Angeles [No location information on label.] Comment
  RSA21244  Camissonia campestris subsp. campestris Carl B. Wolf 1937-4-28 8515 Los Angeles Mojave Desert, Antelope Valley, 4.5 miles S of Lancaster. 716 Comment
  POM49676  Camissonia cheiranthifolia subsp. suffruticosa L. R. Abrams 1901-5-28 1679 Los Angeles Ballona Harbor Comment
  RSA126725  Camissonia cheiranthifolia subsp. suffruticosa Peter H. Raven 1959-3-15 13855 Los Angeles Along shore east of Zuma Beach, Point Dume 9 Comment
  RSA0021248  Camissonia claviformis R. G. Swinney 2008-5-2 8722 Los Angeles Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  RSA729733  Camissonia claviformis subsp. claviformis R. G. Swinney 1999-6-5 7255 Los Angeles San Gabriel Mtns.: east side of Big John Peak, west of Mescal Creek above Big John Flat. 1780 Comment
  RSA778920  Camissonia confusa Orlando Mistretta, Christine Mistretta 2010-6-3 5244 Los Angeles Mill Creek Canyon, 1.80 miles SW of Mill Creek Summit, along Southern California Edison transmission line corridor. 1372 Comment
  RSA226219  Camissonia hirtella Gary D. Cromwell, David W. Wheat 1971-5-8 640 Los Angeles East-facing slope west of canyon. Mystic Canyon, Angeles National Forest, San Gabriel Mts. 2 mi. NE of Glendora, Calif 549 Comment
  UCR47882  Camissonia lewisii R. Mattoni 1986-1 s.n. Los Angeles South Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 Comment
  POM3175  Camissonia strigulosa Fred Cox 1916-4-15 738 Los Angeles Mts above Claremont. Johnson s pasture. Comment
  CAS-BOT-BC160432  Camissoniopsis cheiranthifolia subsp. suffruticosa Ernest Braunton 1902-5-25 343 Los Angeles Redondo Comment
  UCD170655  Camissoniopsis confusa R. G. Swinney 2008-5-2 8725 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property. 1439 Comment
  UC874077  Camissoniopsis hirtella I. W. Clokey and B. C. Templeton 1930-4-8 4691 Los Angeles San Francisquito Canyon 900 Comment
  RSA0113487  Camissoniopsis micrantha Lyman Benson 1945-5-11 11691 Los Angeles Canyon below Johnson's Pasture, Claremont. Mt. Range: San Gabriel. 548 Comment
  SD260279  Camissoniopsis pallida R. G. Swinney 2010-5-19 12832 Los Angeles San Gabriel Mountains / Western Mojave Desert: Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Tel. Access Rd., W of Angeles Natl. Forest boundary, 2.05 air miles E of Angeles Forest Hwy., 0.8 miles W of Mt. Emma Rd. 1335 Comment
  RSA704351  Canbya candida Gary D. Wallace 1982-4-17 1920 Los Angeles Bob's Gap. Comment
  UCSB2273  Capsella bursa-pastoris Haller, Norman 1953-3-28 Los Angeles 2 blks. West of Sepulveda on Mulholland Dr., Santa Monica Mts. 457 Comment
  UC1201943  Capsicum annuum var. annuum Miss K. D. Jones 1930-12-15 1013 Los Angeles Rust Nursery, Pasadena Comment
  UCR137098  Cardamine californica June Latting 1958-3-3 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., 3 miles west of Seminole Hot Springs on Mulholland Hwy 610 Comment
  IRVC26344  Cardaria draba A. C. Sanders, Andy Thompson 2003-4-15 26019 Los Angeles Newhall Ranch, along the Santa Clara River, north of Magic Mountain theme park NE end of Santa Susana Mtns. 316 Comment
  RSA531016  Cardaria draba E. S. Spalding 1924-4-15 s.n. Los Angeles Los Angeles, Ruderdle Comment
  CATA1262  Carduus pycnocephalus Mark L. Hoefs, Douglas R. Hoefs 1995-6-29 2347 Los Angeles Santa Catalina Island: Near junction of Empire Landing Road and road to Two Harbors 207 Comment
  UCR194279  Carex R. G. Swinney 1998-8-5 6638 Los Angeles San Gabriel Mtns., Bear Gulch, 0.3 miles north of confluence with Prairie Fork, SW of Wrightwood 1524 Comment
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Sep 12 2018
  UCR273570  Carex abrupta R. G. Swinney 2011-6-15 15178 Los Angeles San Gabriel Mountains, Chilao Creek, 100 m south and north of Chilao Campground 1573 Comment
  RSA0091982  Carex alma R. G. Swinney 2011-10-10 15722 Los Angeles 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 1537 Comment
  UCR210226  Carex alma R. G. Swinney 2008-9-10 9423 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek 1463 Comment
  UC2030096  Carex densa Steve Boyd, Valerie Soza 2002-4-10 1405 Los Angeles Transverse Ranges, Liebre Mountains region: Haskell Canyon, Del Sur Ridge. Stables Fire 2001 area. Comment
  RSA603206  Carex fracta L. C. Wheeler 1954-9-1 7085 Los Angeles San Gabriel Mountains: Little Rock Creek, ca. 1 mile downstream from Cooper Creek. Comment
  POM122313  Carex hassei Marcus E. Jones 1926-7-8 s.n. Los Angeles San Antonio Peak. Comment
  CAS-BOT-BC32088  Carex multicaulis Timothy S. Ross; Steve Boyd; Peter Fritsch 1990-6-25 3781 Los Angeles Natural depression SSW of Crystal Lake: Crystal Lake USGS 7.5' Quad. 1703 Comment
  UC72396  Carex multicaulis Geo. B. Grant Jun 1902 138 Los Angeles Mt. Wilson Comment
  CAS-BOT-BC32085  Carex multicaulis George B. Grant 1902-7-1 138 Los Angeles Summit Mt. Wilson Comment
  RSA587978  Carex multicaulis Orlando Mistretta 1994-6-1 1306 Los Angeles San Gabriel Mountains, Santiago Canyon, 1601 Comment
  UCR186941  Carex praegracilis A. C. Sanders 2006-4-10 32001 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
  RSA597737  Carex rossii Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3793 Los Angeles San Gabriel Mountains. Natural depression SSW of Crystal Lake 1692 Comment
  RSA364692  Carex schottii Richard C. Barkelew 1929-2-23 s.n. Los Angeles Nichols Canyon. Comment
  CAS-BOT-BC115972  Carex subfusca Ivan Murray Johnston 1917-8-23 1636 Los Angeles Pine Mt. 2438 Comment
  CAS-BOT-BC116604  Carex subfusca Victor Duran 1933-7-21 3524 Los Angeles Buckhorn, San Gabriel Mts. 1981 Comment
  UC836555  Carex triquetra L. W. Nuttall 1920-5-6 131 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC115637  Carex triquetra Peter H. Raven 1960-5-21 15393 Los Angeles Clump in burned chaparral along road to Saddle Peak 2.1 mi from Ferndale. 502 Comment
  UC535513  Castilleja affinis subsp. affinis Ira W. Clokey, B. Templeton Apr 1929 4427 Los Angeles Mandeville Canyon; Santa Monica Mountains 425 Comment
  RSA191118  Castilleja applegatei subsp. martinii Robert F. Thorne, M. Z. Thorne 1967-6-25 37102 Los Angeles upper portion of Evey Canyon 884 Comment
  RSA448671  Castilleja applegatei subsp. martinii Geo. C. Johnstone 1925-4-10 s.n. Los Angeles Mount Lowe Comment
  RSA733159  Castilleja applegatei subsp. martinii R. G. Swinney 1997-6-13 5592 Los Angeles San Gabriel Mtns: ridge NE of Table Mountain (pk. 7473'), ca. 0.4 mi. W of San Bernardino Co. line. 2195 Comment
  UC885363  Castilleja applegatei subsp. martinii I. W. Clokey and E. G. Anderson 1935-5-9 6899 Los Angeles San Dimas Canyon Comment
  JEPS26147  Castilleja applegatei subsp. martinii Peter H. Raven 1959-5-3 14084 Los Angeles 1.2 mi e Laurel Canyon Boulevard (Woodrow Wilson Drive); Santa Monica Mountains 350 Comment
  JEPS78786  Castilleja applegatei subsp. martinii L. R. Heckard with Michael Morris 1976-6-13 4265 Los Angeles 0.1 mi from Cumorah Church Camp (1.7 mi from Hidden Valley Scout Camp, off Route 2) Comment
  RSA400564  Castilleja foliolosa Christopher Davidson 1973-4-6 1857 Los Angeles Tapia Park, Malibu Canyon. 244 Comment
  NY68080  Castilleja gleasoni A. D. E. Elmer 06 1902 3659 Los Angeles Acton Comment
  SBBG19175  Castilleja grisea M. A. Piehl 1965-12-7 631053 Los Angeles SE tip from Pyramid Head and opposite Triangulation Pt "Rock" 9 Comment
  UCR146103  Castilleja martinii Orlando Mistretta 1993-6-2 846 Los Angeles San Gabriel Mountains, San Gabriel Mountains: Vicinity of Mt. Baden Powell. Near Vincent Gap; north slope of Mt. Baden Powell above Vincent Gulch 2043 Comment
  UC284278  Castilleja miniata P. A. Munz 1923-5-26 6864 Los Angeles Big Rock Creek; San Gabriel Mts. 1463 Comment
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Jan 31 2008
  UCR256858  Castilleja miniata subsp. miniata R. G. Swinney 2010-10-13 14016 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  UCR270855  Castilleja miniata var. miniata R. G. Swinney 2011-8-17 15636 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  UCR182273  Castilleja plagiotoma R. G. Swinney 1998-4-14 6023 Los Angeles San Gabriel Mtns./Southern Mojave Desert, mouth of Mescal Canyon, c. 50 m SE of Mescal Canyon Reservoir, west side of stream 1476 Comment
  RSA579452  Castilleja subinclusa subsp. subinclusa Tim S. Ross, Steve D. Boyd 1994-6-23 8047 Los Angeles Sawmill Mountain: 5514-ft summit and immediately adjacent slopes. 1665 Comment
  CAS-BOT-BC38142  Caulanthus amplexicaulis Scott D. White 1997-6-29 5399 Los Angeles San Gabriel Mountains. Mount Baldy Village Area. San Antonio Canyon below San Antonio Falls. 2011 Comment
  CAS-BOT-BC168644  Caulanthus coulteri A. C. Sanders; E. J. Lawlor 1988-4-3 7741 Los Angeles Tehachapi Mtns.: SW end of [theTehachapi] the Tehachapi Mtns, 1 mi. NW of Gorman on a gasline rd, 0.4 mi. above old highway 1284 Comment
  SEINET3860003  Caulanthus lasiophyllus R. G. Swinney 2009-4-24 10435 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, 0.3 mi. NW of LIttlerock Creek Campgroud.; 0 915 Comment
  UCR190280  Caulanthus lasiophyllus R. G. Swinney 1998-8-1 6615 Los Angeles San Gabriel Mtns., Vincent Gulch, c. 2.5 miles ESE of the summit of Mt. Baden-Powell, c. 0.6 mi. above confluence with San Gabriel River 1427 Comment
  UCR104743  Ceanothus David Charlton 1989-4-30 2997 Los Angeles San Gabriel Mtns., George's Gap, Angeles Crest Highway, approximately 10 miles north of the southern boundary of the Angeles National Forest, c. 1 mi. (airline) NW of Switzer Camp. 1159 Comment
  RSA187796  Ceanothus arboreus Robert F. Thorne 1966-9-16 36720 Los Angeles Santa Catalina Island. Near terminus of Renton Mine Rd.; upper end of Pebbly Beach Canyon 274 Comment
  SBBG32040  Ceanothus arboreus R. N. Philbrick 1967-5-19 B 67 -266 Los Angeles Black Jack Mtn Comment
  UC455459  Ceanothus arboreus I. J. Condit 1909-6-29 Los Angeles Catalina Island Comment
  UC625068  Ceanothus arboreus F. R. Fosberg 1931-4-2 S 4448 Los Angeles divide between Hamilton and Descanso Canyons Santa Catalina Island 230 Comment
  RSA398865  Ceanothus crassifolius Fay A. MacFadden 1931-3-16 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  RSA651875  Ceanothus crassifolius Diane T. Liggett 1981-5-29 26 Los Angeles San Dimas Experimental Forest, 45 km east of Los Angeles 850 Comment
  UC1071006  Ceanothus crassifolius F. H. Raymond 1930-3-3 54 Los Angeles San Rafael Mountains 243 Comment
  SBBG118594  Ceanothus crassifolius var. crassifolius J. Henrickson 2000-4-15 20710 Los Angeles ca. 1 mi SE of Newhall in W part of Whitney Cyn, just NE of jct of San Fernando Rd and St Hwy 14; T3N, R15W, SW/S 6 472 Comment
  CAS-BOT-BC48875  Ceanothus cuneatus Carl B. Wolf 1941-7-1 10939 Los Angeles Lower end of Bouquet Canyon, 3 2/10 mi. above Saugus, or about 1/2 mi. above crossing of aqueduct 396 Comment
  CAS-BOT-BC48878  Ceanothus cuneatus Timothy S. Ross; J. Mark Porter 1995-5-4 8428 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. USGS 7.5' Green Valley Quadrangle 585 Comment
  LA41995  Ceanothus cuneatus Joseph Andorfer Ewan; 1932-5-29 7223 Los Angeles San Gabriel Mountains, Upper Arrastre Canyon 1371 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
  UCR108360  Ceanothus cuneatus Scott D. White, Pam DeVries 1998-4-20 6313 Los Angeles Transverse Ranges/Liebre Mtns, Soledad Canyon area: proposed quarry area north of Soledad Canyon Rd., south of the I-14 Fwy, east of Bee Canyon and west of Agua Dulce Canyon 762 Comment
  SEINET6053901  Ceanothus cuneatus Unknown Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  POM96085  Ceanothus cuneatus var. cuneatus P. A. Munz 1926-4-4 9998 Los Angeles Bouquet Canyon. 915 Comment
  UC774488  Ceanothus greggii var. vestitus Carl B. Wolf 1941-7-1 10938 Los Angeles 6 3/10 mi W of Palmdale on road to Elizabeth Lake along Amargosa Creek 883 Comment
  CAS-BOT-BC50846  Ceanothus insularis Reid Moran 1941-3-5 679 Los Angeles Santa Catalina Island - Salta Verde Comment
  RSA764064  Ceanothus integerrimus R. G. Swinney 2008-8-13 9393 Los Angeles Big Rock Creek, 1.3 mi. east of Fenner Canyon. 1860 Comment
  CAS-BOT-BC50572  Ceanothus leucodermis H. E. McMinn 1925-8-6 1555 Los Angeles Sawpit Canyon, San Gabriel Mts. Comment
  UCR271883  Ceanothus leucodermis R. G. Swinney 2011-3-15 14071 Los Angeles San Gabriel Mountains, Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 235 Comment
  RSA127440  Ceanothus megacarpus H. J. Thompson 1959-3-22 1867 Los Angeles 1 mi. N of Tapia Park, Las Virgenes Rd., north of Malibu. 213 Comment
  SFV6154  Ceanothus megacarpus T. Gordon 1974-3-23 137 Los Angeles Santa Monica Mountains Hillside near the intersection of Mullholland and Encino Hills Drive. Comment
  RSA0043348  Ceanothus megacarpus Ron Martinolich 1991-5-14 72 Los Angeles Los Angeles, Mulholland Drive, 0.4 mi. west of intersection with Encino Hills Dr. Comment
  SBBG96688  Ceanothus megacarpus var. insularis S. Boyd with T. Ross, L. Arnseth 1990-4-7 4194 Los Angeles upper reaches of China Cyn Comment
  CAS-BOT-BC50455  Ceanothus oliganthus Carl B. Wolf 1941-8-2 11134 Los Angeles Liebre Mts., Ridge Route Rd. 2.7 mi. S. Frenchman Flats Forest Service Camp 822 Comment
  CAS-BOT-BC50458  Ceanothus oliganthus Geo. B. Grant 1906-6-10 s.n. Los Angeles Castle Canyon, Mt. Lowe 914 Comment
  CHSC26359  Ceanothus oliganthus var. oliganthus James Henrickson 1972-3-19 7175 Los Angeles 5 road miles along Angeles Crest Hwy 2 NE of La Canada. 853 Comment
  RSA0028425  Ceanothus palmeri J. D. Olmsted 1959-5-6 561 Los Angeles Drainage area to E. fk. San Gabriel River. Along Glendora Mtn. Road 1 mi W of Camp Baldy. 1418 Comment
  LA39242  Ceanothus spinosus H. L. Bauer; 1935-4-1 107 Los Angeles 731 Comment
  PASA2515  Ceanothus spinosus Frank W. Peirson 1921-2-26 Los Angeles Topanga Canyon, Santa Monica Mts. 457 Comment
  RSA671264  Ceanothus spinosus I. W. Clokey 1929-4-29 s.n. Los Angeles Mandeville Canyon 250 Comment
  SDSU12009  Ceanothus spinosus David Shaari, Jennifer Swenson 1995-5-1 14 Los Angeles North-facing canyon, north of dirt road, approximately 3.7 miles from Latigo Canyon Road. Slope 0.6 miles NW of Castro Peak. 756 Comment
  UC1071348  Ceanothus spinosus H. A. Jensen 1933-3-15 270 Los Angeles Slope above Thompson Creek Cucamonga Quad. 548 Comment
  RSA596446  Centaurea melitensis Steve Boyd, Mark Elvin, Victoria Jotikasthira 1996-6-25 8868 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
  RSA600752  Centaurea melitensis L. C. Wheeler 1967-6-15 9839 Los Angeles Liebre Mountain Region: Foothills NE of Saugus. 381 Comment
  RSA226007  Centaurium exaltatum Robert F. Thorne 1971-6-29 40694 Los Angeles San Gabriel Mountains, Angles National Forest: ca. 2.2 miles down Aliso Canyon from junction with Angeles Forest Road. 1037 Comment
  POM155795  Centaurium venustum M. B. Dunkle 1928-4-22 1885 Los Angeles Santa Catalina Island; Buttonshell Beach. 23 Comment
  RSA594296  Centranthus ruber Louis C. Wheeler 1947-5-24 6505 Los Angeles San Gabriel Mountains. South side of San Gabriel Canyon, 1/8 mi. upstream from mouth. Comment
  SEINET3246201  Centrostegia thurberi R. G. Swinney 2008-1 8803 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. 1260 Comment
  UCR282005  Centrostegia thurberi R. G. Swinney 2014-5-1 16323 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
  RSA392712  Centrostegia thurberi var. thurberi Robert Gustafson, Gary D. Wallace 1982-4-26 2529 Los Angeles Mojave Desert, Fort Tejon Road, about 1 mile W of the junction of 121st St. 1006 Comment
  POM7004  Cerastium glomeratum P. A. Munz, L. T. Street, G. Williams 1919-4-5 2468 Los Angeles Puddingstone Creek, San Dimas Comment
  RSA0039272  Cerastium glomeratum R. G. Swinney 2010-3-10 11795 Los Angeles Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes. 305 Comment
  RSA593195  Cerastium glomeratum L. C. Wheeler 1967-5-8 9305 Los Angeles Liebre Mountains. Foothills northeast of Saugus. 381 Comment
  RSA226213  Cerastium glomeratum Gary D. Cromwell, David W. Wheat 1971-4-16 508 Los Angeles Mystic Canyon, 2 mi NE of Glendora 457 Comment
  UCR142795  Ceratophyllum demersum L. C. Wheeler 1933-10-22 2196 Los Angeles San Gabriel Mountains, Crystal Lake 1707 Comment
  POM6869  Cercocarpus betuloides Philip A. Munz, L. T. Street, G. Williams 1919-4-5 2450 Los Angeles Puddingstone Canyon, San Dimas. Comment
  RSA650398  Cercocarpus betuloides G. F. Orr 1956-3-29 s.n. Los Angeles Malibu Canyon. 610 Comment
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May 28 2014
  RSA0091483  Cercocarpus betuloides var. betuloides R. G. Swinney 2011-6-15 15170 Los Angeles Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy 1585 Comment
  LA88757  Cercocarpus betuloides var. blancheae Karen Searcy; 1967-1-28 33 Los Angeles Santa Catalina Island, Santa Catalina Island, near summit of E Mountain 304 Comment
  RSA117383  Cercocarpus betuloides var. blancheae Huron H. Smith 1912-6-24 5165 Los Angeles Santa Catalina Island. Rock Spring Canyon. 305 Comment
  SBBG78165  Cercocarpus betuloides var. blancheae F. R. Fosberg 1931-3-18 4282 Los Angeles Hamilton Cyn 10 Comment
  CAS-BOT-BC279518  Chaenactis artemisiifolia A. J. McC. 1893-5-30 s.n. Los Angeles Near Pasadena Comment
  UCR281292  Chaenactis fremontii R. G. Swinney 2014-4-17 16082 Los Angeles San Gabriel Mountains, SW of Littlerock, 0.5-0.8 mi. east of Cheseboro Rd., 100-200 m south of CA Aqueduct, 0.66 mile due S of Hwy. 138/Pearblossom Hwy 957 Comment
  UCD150980  Chaenactis glabriuscula D. S. Park 2010-4-29 66 Los Angeles Wildwood Canyon, found along trail and hillside. 429 Comment
  CAS-BOT-BC277369  Chaenactis glabriuscula var. glabriuscula Cecil Hart 1927-5-1 s.n. Los Angeles San Dimas Canyon Comment
  LA47053  Chaenactis glabriuscula var. glabriuscula Peter H. Raven; 1960-5-15 15375 Los Angeles SANTA MONICA MOUNTAINS, Piuma Road, 5.1 mi. NW of Rambla Pacifica. 213 Comment
  RSA0091737  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2011-5-12 14678 Los Angeles east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  RSA599834  Chaenactis glabriuscula var. glabriuscula Steve Boyd, Lauren Raz 1997-5-6 9746 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  SBBG12582  Chaenactis glabriuscula var. glabriuscula E. R. Blakley 1958-5-9 2261 Los Angeles ca. 2 mi E of Gorman 1097 Comment
  UC53971  Chaenactis glabriuscula var. glabriuscula H. P. Chandler 1902-6-3 2008 Los Angeles Brush Canyon Cahuenga Peak, Brush Canyon Comment
  RSA562260  Chaenactis glabriuscula var. glabriuscula D. Charlton 1989-6-10 3215 Los Angeles Tejon Post Road, 1 mile S of town of Gorman Alkali Spring at the Electric Substation. 1220 Comment
  RSA587236  Chaenactis glabriuscula var. glabriuscula Orlando Mistretta 1994-5-11 1185 Los Angeles Little Rock Creek, E slopes of canyon W of Basin Campground 1037 Comment
  RSA239861  Chaenactis santolinoides John Dourley, Nick Lolonis 1968-8-20 s.n. Los Angeles near the base of Mt. Baden-Powell trail 2194 Comment
  UC1584220  Chaenactis santolinoides Tim Ross and Steve Boyd 1990-5-17 2592 Los Angeles Mill Creek Tree Plantation, Tujunga District San Gabriel Mts., Angeles National Forest 1612 Comment
  JEPS17082  Chaenactis xantiana Rimo Bacigalupi 1955-4-6 4814 Los Angeles 1 mi e of Lancaster; Mojave Desert Comment
  RSA0117574  Chaenactis xantiana A. C. Sanders 2008-4-10 34787 Los Angeles Transverse Range/Mojave Desert: hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM Pine. 915 Comment
  RSA752640  Chaenactis xantiana Amber Maurice, Laura Hoglin, Sylvia Rivera 2003-4-24 2 Los Angeles Gorman Pass, Tejon Ranch. Comment
  SBBG46742  Chaenactis xantiana Leota Davidson 1965-5-9 164 b Los Angeles E of Little Rock Comment
  RSA70550  Chamaesyce albomarginata F. W. Peirson 1919-6-13 459 Los Angeles Rock Creek. 1296 Comment
  RSA435966  Chamaesyce albomarginata E. A. Purer, Freda Detmers 1931-3-25 s.n. Los Angeles Palos Verde Hills. Comment
  RSA443523  Chamaesyce maculata A. C. Sanders 1987-9-18 7382 Los Angeles El Segundo Dunes, W of L.A. International Airport and Pershing Drive. 38 Comment
  LA50648  Chamaesyce melanadenia M. Epling; Carl Epling 1925-5-15 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  RSA498613  Chamaesyce melanadenia Amelia Eatherton 1930-05 s.n. Los Angeles Griffith Park. Comment
  UC2026468  Chamaesyce prostrata Louis C. Wheeler 1961-8-15 7916 Los Angeles PASADENA: Huntington Memorial Hospital. Comment
  UCR190797  Cheilanthes covillei R. G. Swinney 2001-5-18 7937 Los Angeles San Gabriel Mtns./Mojave Desert, Largo Vista area, c. 1/2 mile east of Largo Vista Rd. at a point 3.56 mi. south of Hwy 138 1284 Comment
  UCR163182  Chenopodium Anuja Parikh, Nathan Gale 2004-6-21 2055 Los Angeles Santa Clara River Valley, Newhall Ranch (study area 29), near mouth of Chiquito Canyon 396 Comment
  UCR205542  Chenopodium album A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36908 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
  RSA732722  Chenopodium album var. album A. C. Sanders 2002-7-20 25220 Los Angeles NE end of Santa Ana Mtns: Santa Clara River bottom at confluence with castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river. 290 Comment
  POM11273  Chenopodium ambrosioides P. A. Munz 1921-10-15 4690 Los Angeles Orange grove, Claremont. 366 Comment
  IRVC28746  Chenopodium berlandieri A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25521 Los Angeles Santa Clara River Valley, S side at edge of farm fields near mouth of "Long Canyon" ca. 1 km due S of Del Valle NE end of Santa Susana Mtns. 274 Comment
  UCR265517  Chenopodium berlandieri Dan S. Cooper 2015-3-22 315- 24 Los Angeles Los Angeles Basin/Western Transverse Range, Griffith Park, Los Angeles, north end of Commonwealth Ave. along dirt service road at northern edge of Commonwealth Nursery 250 Comment
  UCSB69250  Chenopodium berlandieri Gross, LeRoy; Denslow, Michael; Hogshead, Bill; Swartzentruber, Sarah 2003-6-17 Los Angeles Transverse Ranges; Verdugo Mountains region; South side of mountains; Brand Canyon, below the large waterfall, where the canyon forks off; (Burbank 7.5 Quad.: T1N R13W S8, NW1/4) UTM Zone 11; 3783985N 0383011E 393 Comment
  RSA802335  Chenopodium botrys Orlando Mistretta, Christine Mistretta 2011-7-6 5918 Los Angeles Fall Creek Canyon; tributary of N Fork Mill Creek, along Forest Road 3N27. 1239 Comment
  UCR186678  Chenopodium botrys T. B. Salvato, Sarah Flack 2007-8-8 3024 Los Angeles San Gabriel Mountains, East Fork Road crossing over the north fork of the San Gabriel River, Islip Saddle 2043 Comment
  RSA606036  Chenopodium botrys L. C. Wheeler 1969-12-22 s.n. Los Angeles San Gabriel Mountains: East Fork Big Santa Anita Canyon. 670 Comment
  SBBG95183  Chenopodium californicum M. B. Dunkle 1928-5-27 1971 Los Angeles Hamilton Cyn Comment
  RSA629708  Chenopodium californicum L. C. Wheeler 1967-5-31 9798 Los Angeles San Gabriel Mountains: Just over the rise immediately west of Caldwell Lake. Comment
  RSA720608  Chenopodium fremontii R. G. Swinney 1997-7-17 5721 Los Angeles 0.5 mi. N of smiit of Table Mountain, NW of Wrightwood; 0.8 mi. NE of FS Rd. 4N21 (paved) on 4N21B 2134 Comment
  RSA762462  Chenopodium murale R. G. Swinney 2009-3-11 10093 Los Angeles San Gabriel Mtns. Foothills Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  RSA4812  Chenopodium murale James Snow s.n. Los Angeles Bryant Ranch, near Long Beach. Station #4, Plant #3. Comment
  RSA529902  Chenopodium pratericola T. S. Ross 1991-8-16 5808 Los Angeles Colby Canyon 1064 Comment
  RSA229883  Chenopodium pratericola R. F. Thorne, C. W. Tilforth 1966-8-26 39928 Los Angeles 15 mi. W of Big Pines Comment
  UCR150389  Chenopodium strictum L. C. Wheeler 1970-8-15 s.n. Los Angeles Pico and Figueroa St., Los Angleles 71 Comment
  LA37478  Chenopodium strictum var. glaucophyllum H. Lewis; 1940-8-14 sn Los Angeles Santa Monica Mountains, UCLA campus 60 Comment
  UCD57912  Chloris berroi P. B. Dickey 1939-7-10 1004 Los Angeles SCS Nursery Littlerock, row 21. Comment
  CAS-BOT-BC244665  Chorizanthe staticoides Samuel B. Parish 1887-6-1 1986 Los Angeles Rock Cr. Border of Mojave Desert Comment
  CAS-BOT-BC244670  Chorizanthe staticoides Alice Eastwood 1919-5-29 8963 Los Angeles San Gabriel Canyon Comment
  SD134403  Chorizanthe staticoides Craig Reiser 1990-5-16 Los Angeles Ritter Ranch, north of Palmdale Comment
  UC1922179  Chorizanthe staticoides Scott D. White, Jennifer H. Jones 2005-6-23 11149 Los Angeles San Gabriel Mtns.: Acton area. South of Powerline access road (ANF 4N32) between Arrastre Canyon and Moody Canyon. Comment
  UCR190268  Chorizanthe staticoides R. G. Swinney 2000-6-25 7793 Los Angeles San Gabriel Mtns., lower San Antonio Canyon, c. 70 m west of San Antonio Canyon Rd. and 80 m south of Shinn Rd. 793 Comment
  UC1237993  Chorizanthe xanti John Weiler and Roy L. Taylor May 12 1961-May 15 1961 61113 Los Angeles along Soledad Canyon Road 1.8 mi ne Solemint; ne of Solemint Comment
  RSA593592  Chorizanthe xanti var. xanti Steve Boyd, Orlando Mistretta 1996-5-23 8832 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  UCR179999  Chrysolepis sempervirens R. G. Swinney 1995-8-28 4481 Los Angeles San Gabriel Mtns., West Mt. Baldy summit 3043 Comment
  UCR43337  Chrysolepis sempervirens David Charlton 1986-6-15 254 Los Angeles San Gabriel Mtns, Betweeen Blue Ridge Campground (1.5 air mi SSE of Bigpine) and the reservoir at the top of Chisolm Ski Run; along the reservoir maintenance road, 0.7 to 1.2 mi south of Angeles Crest hwy on Forest Road 3N06 2439 Comment
  RSA96063  Chrysothamnus nauseosus subsp. consimilis E. K. Balls, Percy C. Everett 1954-10-4 20207 Los Angeles Hwy 6, 0.5 miles S of kern County line, between Lancaster to Rosamond 732 Comment
  RSA603825  Chrysothamnus nauseosus subsp. mohavensis Steve Boyd 1997-9-17 10039 Los Angeles Liebre Mountains Region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 915 Comment
  RSA789029  Chylismia claviformis J. Mark Porter, Laren Machen 2012-5-20 15169 Los Angeles San Gabriel Mountains, Along Highway 2 (Angeles Crest Highway) NE of Wrightwood, in lower Swarthout Canyon. 1639 Comment
  SDSU3776  Cirsium occidentale R. M. Beauchamp 1967-3-19 311 Los Angeles Growing in Field, West of Wilson Cove area, San Clemente Island. Comment
  CAS-BOT-BC285399  Cirsium occidentale var. californicum John Thomas Howell 1931-5-29 6557 Los Angeles Westwood Hills, Santa Monica Mts. Comment
  CDA1300  Cirsium occidentale var. californicum T. C. Fuller 1958-3-18 1182 58 C Los Angeles Wash below Padua Hill, L.A. County. (Claremont). Comment
  RSA0091797  Cirsium occidentale var. californicum Bonnie C. Templeton 1957-4-27 s.n. Los Angeles Bouquet Canyon. Comment
  RSA3510  Cirsium occidentale var. californicum C. B. Wolf 1932-5-9 3453 Los Angeles At junction of Skyline Drive and Pebbly Beach Road. Santa Catalina Island 30 Comment
  UCR270927  Cirsium occidentale var. californicum R. G. Swinney 2011-6-14 15124 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  POM352182  Cirsium occidentale var. occidentale T. S. Clare, Johnstone 1929-10-20 s.n. Los Angeles Eaton Canyon Rd. San Gabriel Mts. 915 Comment
  UCR206167  Cirsium occidentale var. occidentale A. C. Sanders, T. B. Salvato 2009-5-29 37041 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  CAS-BOT-BC286518  Cirsium undulatum Alice Eastwood 1917-7-20 6510 Los Angeles Santa Catalina Island Comment
  UCR125969  Cirsium vulgare A. C. Sanders, Mark Elvin 2002-6-19 25162 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  UCR209851  Cirsium vulgare R. G. Swinney 2008-7-13 9185 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, east fork of Bell Canyon at debris basin 756 Comment
  CDA19691  Cissus antarctica Adams 2001-10-9 PDR 067746 Los Angeles Southern California; Caltrans yard between 710 and 1st in the vicinity of East Los Angeles. 0 Comment
  CATA3003  Cistus incanus Peter J. Dixon 2015-3-17 037 Los Angeles Santa Catalina Island: Hamilton Cove, 288 m west of ocean 70 Comment
  UCR1430  Cistus ladanifer Bland Ewing 1961-3-30 300361- 9 -16 Los Angeles San Gabriel Mtns., Brown Mtn. Fire Control Rd., El Prieto Canyon, Altadena Comment
  UC373493  Clarkia bottae C. L. Hitchcock 1928-4-21 59 Los Angeles road leading to Ventura Highway; Santa Monica Mts. 500 Comment
  JEPS43846  Clarkia cylindrica subsp. cylindrica C. L. Hitchcock 1928-5-27 55 Los Angeles 8 mi w Elizabeth Lake 1000 Comment
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Jun 27 2006
  SBBG17117  Clarkia cylindrica subsp. cylindrica K. A. Wilson 1962-5-26 1287 Los Angeles Placerita Cynm, ca. 1 mi E of Hwy 6 Comment
  UC1143191  Clarkia cylindrica subsp. cylindrica H. Lewis and M. Lewis 1947-5-7 212 Los Angeles 0.4 mi n Latigo Canyon Road (Decker Road); Santa Monica Mts. Comment
  RSA669286  Clarkia dudleyana LeRoy Gross, Naomi S. Fraga 2002-5-10 537 Los Angeles Upper Monroe Road (2N16), from Camp Oak Grove to Glendora Mountain Road. 476 Comment
  SEINET6043326  Clarkia dudleyana Scott D. White 1998-6-10 6713 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  UCR191157  Clarkia dudleyana R. G. Swinney, Dave Larson 1999-7-21 7566 Los Angeles San Gabriel Mtns., upper Fern Canyon, San Dimas Experimental Forest, from Fern Dam #1 to 3, NE of Browns Flat 1463 Comment
  UCSC007428  Clarkia dudleyana Walter Wisura 2007-7-11 21170 Los Angeles Evey Canyon off Mt. Baldy Rd. Plants scattered on steep north slopes ca. 1/4 mile from gate. 736 Comment
  UCR182385  Clarkia epilobioides R. G. Swinney 1998-5-9 6046 Los Angeles San Gabriel Mountains, Fern Canyon, a tributary of Fish Canyon, c. 600 m west of Fish Cyn stream bottom 351 Comment
  RSA0060020  Clarkia epilobioides Robert F. Thorne, Percy C. Everett 1965-5-12 34627 Los Angeles Bulrush Canyon, Santa Catalina Island. 244 Comment
  IRVC27792  Clarkia purpurea A. C. Sanders 2005-5-11 30190 Los Angeles Santa Clarita area, upper Plum Cyn along Plum Cyn Rd between crest and vernal pool on bench in mid cyn, NW of Forest Park between Mint and Bouquet cyns. Western San Gabriel/Liebre Mtns Region 579 Comment
  CAS-BOT-BC163702  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 1959-5-9 14166 Los Angeles Mulholland Hwy. 1 mile W. of Las Virgenes Rd. Malibu Creek drainage 304 Comment
  RSA29730  Clarkia purpurea subsp. quadrivulnera Louis C. Wheeler 1932-5-28 780 Los Angeles San Antonio Canyon, E side SE Hogback. 1280 Comment
  RSA430216  Clarkia purpurea subsp. quadrivulnera Kathy Harper 1986-5-17 s.n. Los Angeles San Gabriel Mountains, Rd N3 at mile marker 20.28, vicinity of Hidden Springs, Angeles National Forest. Comment
  UC494804  Clarkia rhomboidea T. Craig 1927-6-8 407 Los Angeles Bear Canyon Trail to summit Mt. San Antonio Comment
  LA45505  Clarkia unguiculata Harvey Anderson; Carl Epling 1930-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  RSA0084498  Clarkia unguiculata R. G. Swinney 2010-5-4 12561 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  RSA0094371  Clarkia xantiana R. G. Swinney 2011-5-31 14922 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
  IRVC26625  Clarkia xantiana subsp. xantiana Orlando Mistretta, Steve Boyd 1995-5-23 1710 Los Angeles Bare Mountain Canyon, W side tributary drainage NE of Pacifico Mtn. San Gabriel Mtns. 1784 Comment
  SFV1198  Claytonia exigua subsp. exigua M. L. Vincent 1963-3-19 327 Los Angeles Santa Monica Mountains Mulholland Highway, 0.25 miles east of Seminole Hot Springs, about 200 off road. Comment
  RSA772421  Claytonia parviflora R. G. Swinney 2009-4-28 10543 Los Angeles Transverse Range, San Gabriel Mountains, Summit of Mt. Emma 1585 Comment
  UCR153578  Claytonia parviflora A. C. Sanders, T. B. Salvato 2005-4-26 29712 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa 671 Comment
  UCR223313  Claytonia parviflora R. G. Swinney 2009-4-28 10542 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  RSA0096638  Claytonia parviflora subsp. parviflora Steven A. Junak, Mark Hoefs, Keri Kirkland, Lisa Stratton 1998-5-2 SCa- 623 Los Angeles Santa Catalina Island, 0.7 road miles above Wrigley Memorial. Upper portion of Avalon Canyon watershed, along Memorial Road. 213 Comment
  RSA729871  Claytonia parviflora subsp. utahensis R. G. Swinney 1999-5-22 7203 Los Angeles Le Montaine Canyon, c. 0.5 mi. south of Camp Junilee Rd. 1701 Comment
  RSA733832  Claytonia parviflora subsp. viridis R. G. Swinney 2000-5-6 7671 Los Angeles San Gabriel Mtns.: c. 1.5 mi. NNE of West Fork San Gabriel River, 0.1-1 mi. NW of Hwy 39 in the North Fork drainage. 732 Comment
  UCR259042  Claytonia perfoliata R. G. Swinney 2010-3-14 11897 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
  RSA656481  Claytonia perfoliata subsp. perfoliata Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 724 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. 518 Comment
  SDSU18814  Claytonia perfoliata var. perfoliata S. H. Bullock 1968-3-23 6 Los Angeles Claremont, Blanchard Park, Mills Ave. between 1st and 6th Streets. 351 Comment
  RSA580967  Clematis lasiantha Catherine A. Mish 1995-3-18 31 Los Angeles Santa Monica Mountains: Fryman Canyon 500 Comment
  RSA650756  Cleome isomeris Eleanor McClung 1937-3-14 20 Los Angeles Palos Verdes Comment
  UCR192959  Collinsia heterophylla Dan S. Cooper 2008-4-7 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., road to Boys camp, east side of Griffith Park, Los Angeles 220 Comment
  SBBG16932  Collinsia heterophylla K. A. Wilson 1961-3-18 1039 Los Angeles Old Topanga Cyn Rd, 0.5 mi NW of Topanga Cyn Blvd Comment
  RSA549528  Collinsia torreyi var. wrightii Tim S. Ross, Steve D. Boyd 1990-6-18 3462 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  CAS-BOT-BC59721  Comarostaphylis diversifolia subsp. planifolia K. Kneen 1933-8-25 s.n. Los Angeles Santa Monica Mts. Comment
  RSA11378  Comarostaphylis diversifolia subsp. planifolia Katherine Kneen 1933-4-12 s.n. Los Angeles Santa Monica Mountains: Topango [Topanga] Canyon Comment
  UCR219295  Commelina benghalensis Lorraine Weller 2010-8-20 082010- 14 Los Angeles Los Angeles, Koreatown area, Rosewood Community Gardens, 4160 1/2 Rosewood Ave. 84 Comment
  RSA747096  Conium maculatum A. C. Sanders, T. B. Salvato 2009-5-19 36835 Los Angeles Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 110 Comment
  UCR252780  Conium maculatum R. G. Swinney 2010-3-10 11797 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes 329 Comment
  SBBG54758  Consolida ajacis L. Topp 1967-5-24 200 Los Angeles Pomona College Wash, Claremont 350 Comment
  CATA1749  Convolvulus simulans Mark L. Hoefs, Steven A. Junak, Ralph Philbrick 2001-5-18 3177 Los Angeles Santa Catalina Island: Near road between Cottonwood Canyon and Black Jack Campground 225 Comment
  SBBG13284  Convolvulus simulans M. A. Piehl 1962-6-9 62347 Los Angeles China Cyn (near head), ca. 2 mi from China Pt 213 Comment
  RSA643854  Conyza coulteri Steven A. Junak 1996-8-28 SC 1 -669 Los Angeles San Clemente Island: Central portion of mesa, along W side of San Clemente Ridge Road, 1.3 miles N of intersection with road to Eel Point. 243 Comment
  RSA0089421  Coreopsis bigelovii R. G. Swinney 2011-4-20 14435 Los Angeles Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 miles upstream in Hunt Cyn. 1220 Comment
  RSA128286  Coreopsis bigelovii H. J. Thompson 1959-3-31 1905 Los Angeles 1 miles N of Mulholland Hwy, 1.8 miles S of Malibu Junction, Cornell Road 274 Comment
  RSA591923  Coreopsis bigelovii L. C. Wheeler 1967-5-8 9322 Los Angeles Liebre Mountains. Foothills northeast of Saugus. 381 Comment
  POM11455  Corethrogyne filaginifolia P. A. Munz, R. D. Harwood 1920-8-11 4380 Los Angeles 1 mi. So. of Claremont. 366 Comment
  UCR224011  Corethrogyne filaginifolia Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11674 Los Angeles Transverse Ranges; Verdugo Mountains region, Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  RSA397702  Cornus glabrata Blanche Trask 1901-06 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  SD40765  Cornus glabrata Carl B. Wolf 1932-10-4 4221 Los Angeles Santa Catalina Island; Hamilton Canyon. 124 Comment
  UCR73406  Coronilla valentina subsp. glauca T. S. Ross 1991-3-9 4204 Los Angeles Whittier Hills (Puente Hills, pro parte): Skyline Drive at the head of Turnbull Canyon 348 Comment
  UCR205212  Coronopus didymus R. G. Swinney 2008-3-26 8576 Los Angeles San Gabriel Mtns., San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  UCD95110  Corydalis caseana subsp. caseana Milo S. Baker 1935-6-25 s.n. Los Angeles near Junction of Highways 39 and 89. Comment
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Jun 23 2016
  CAS-BOT-BC287258  Cotula australis C. W. Tilforth 1968-2-19 131 Los Angeles LASCA [Los Angeles State and County Arboretum] Comment
  RSA670206  Cotula australis Joseph M. Keefe 2001-3-16 31100 Los Angeles 50 meters west of dead end of Cresthaven Drive, 1 mile southeast of The Eagle Rock, Pasadena, CA 91105. 284 Comment
  UCR210016  Cotula australis R. G. Swinney 2008-12-2 9912 Los Angeles San Gabriel Mtns., mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east 177 Comment
  UCR260400  Cotula australis R. G. Swinney 2010-6-21 13287 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  POM362440  Cotula australis Samuel R. Tyson 1943-4-5 s.n. Los Angeles San Dimas Canyon 457 Comment
  SBBG95221  Cotula coronopifolia M. B. Dunkle 1928-4-29 1914 Los Angeles Little Harbor Comment
  CAS-BOT-BC427582  Crassula aquatica Robert F. Thorne; D. Propst 1968-5-29 37696 Los Angeles Santa Catalina Island: margin of S end of Hay Press Reservoir 403 Comment
  SD129305  Crassula ovata A. C. Sanders 1988-2-3 7595 Los Angeles El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr. Comment
  RSA600787  Crassula tillaea L. C. Wheeler 1948-4-26 6634 Los Angeles Altadena. Oak Grove Park, Devil's Gate Dam. 305 Comment
  RSA675870B  Crassula tillaea LeRoy Gross 2003-3-9 782 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
  POM156724  Crepis acuminata L. R. Abrams 1902-7-12 2712 Los Angeles Coldwater Canyon, San Antonio Mountains Comment
  CATA1243  Cressa truxillensis Mark L. Hoefs, Phil Hartman, Bret Marin 1995-6-27 2321 Los Angeles Santa Catalina Island: Ballast Point at Catalina Harbor 2 Comment
  SBBG58130  Cressa truxillensis unknown 1928-8-26 Los Angeles S of Moor Park Comment
  UC557670  Cressa truxillensis Nell Murbarger April, 1936 213 Los Angeles near tide line s. end of San Clemente Isl. Comment
  UC56953  Crocanthemum scoparium var. vulgare Ernest Braunton 1902-6-11 444 Los Angeles Griffith Park Comment
  CHSC110030  Crossosoma californicum Mark Elvin; Michael Wall 1997-5-18 378 Los Angeles Channel Islands; Santa Catalina Island: Cape Canyon Ridge. W side of canyon. With Rock outcrop 200' above valley floor. ~1/2 mile south of well house along Cape Canyon Road. Comment
  SEINET2443025  Crypsis schoenoides R. G. Swinney 2008-9-9 9321 Los Angeles San Gabriel Mtns. Little Rock Creek, 0.2 mi north of Little Rock Reservoir.; 0 960 Comment
  RSA188711  Crypsis vaginiflora R. F. Thorne 1966-9-16 36712 Los Angeles Near Hay Press Reservoir, Santa Catalina Island. 412 Comment
  RSA226029  Crypsis vaginiflora R. F. Thorne, C. W. Tilforth 1971-6-29 40647 Los Angeles San Gabriel Mountains, Angeles National Forest: 1.6 mi. above Little Rock Dam near reservoir Campground 976 Comment
  RSA0115809  Crypsis vaginiflora Steven A. Junak 1999-9-11 SCa- 1099 Los Angeles Santa Catalina Island. W side of upper Buffalo SPrings reservoir. 433 Comment
  RSA353859  Cryptantha barbigera R. F. Thorne, Gary D. Wallace 1973-4-24 43456 Los Angeles Antelope Valley, Western Mojave Desert: Lovejoy Buttes, N of Llano, S slope 915 Comment
  RSA518027  Cryptantha circumscissa Steve Boyd 1986-3-31 1575 Los Angeles Mojave Desert: Highway 18 about 1 mile E of jct with Hwy 138, NE of Pinyon Hills. Comment
  RSA593453  Cryptantha circumscissa Steve Boyd 1996-4-24 8642 Los Angeles Liebre Mountains, northwestern base of the range at the extreme southeastern end of Peace Valley along Angeles National Forest Road 8N01 6.7 road miles from jtn with 8N05 and ca 1.0 road mile from West Branch California Aqueduct. 1098 Comment
  LA94292  Cryptantha clevelandii W. O. Griesel; 1936-5-3 sn Los Angeles SANTA MONICA MOUNTAINS, Mulholland Drive near Beverly Glen Blvd. 380 Comment
  RSA646092  Cryptantha echinella Orlando Mistretta 1993-6-2 858 Los Angeles San Gabriel Mountains: Near Vincent Gap, south slope of Vincent Gulch. 2084 Comment
  UCR186912  Cryptantha echinella A. C. Sanders 2006-4-25 32180 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
  CATA479  Cryptantha intermedia Sara L. Crockett, Mark Hoefs, Steve Junak, Janet Takara 1997-3-28 621 Los Angeles Santa Catalina Island: N side of Cherry Harbor, overlooking mud flats, 20 - 30 m upslope 42 Comment
  RSA747553  Cryptantha intermedia R. G. Swinney 2008-4-11 8667 Los Angeles San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  SD186133  Cryptantha intermedia A. C. Sanders 2003-3-14 25766 Los Angeles Gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Freeway east of the San Gabriel River channel. 157 Comment
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Apr 28 2009
  UC78692  Cryptantha intermedia T. S. Brandegee May 1889 Los Angeles Saugus Comment
  UCR162755  Cryptantha intermedia T. S. Ross, Steve Boyd 1990-5-17 2585 Los Angeles Transverse Ranges; San Gabriel Mountains region, San Gabriel Mountains, Angeles National Forest: Mill Creek Tree Plantation, Tujunga District 1613 Comment
  UCR178044  Cryptantha intermedia LeRoy Gross, Michael Denslow, B. Hogshead, Sarah Swartzentruber 2003-6-17 1064 Los Angeles Transverse Ranges, Verdugo Mountains region, north side of mountains north of Hostetter Motorway just off La Tuna Canyon Road, freeway cut (210 Freeway) just east of La Tuna Canyon exit 457 Comment
  POM9046  Cryptantha micromeres P. A. Munz, R. D. Harwood 1920-5-17 3966 Los Angeles Topango [Topanga] Canon. Santa Monica Mts. 121 Comment
  UC55367  Cryptantha microstachys J. H. Barber 1898-8-4 Los Angeles Topanga Comment
  RSA584294  Cryptantha microstachys T. S. Ross, Orlando Mistretta 1993-5-27 7339 Los Angeles Wilson Canyon, along the riparian strip. 588 Comment
  RSA611441  Cryptantha microstachys L. C. Wheeler 1934-3-29 2491 Los Angeles Sepulveda Canyon, Santa Monica Mountains. 183 Comment
  UCSB5578  Cryptantha microstachys Beach, Kay 1944-6-20 Los Angeles Tanbark SRE Comment
  UCSB5581  Cryptantha microstachys Beach, Kay 1944-6-20 Los Angeles Tanbark SRE Comment
  RSA0081318  Cryptantha muricata R. G. Swinney 2010-3-16 11922 Los Angeles Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  RSA0056250  Cryptantha muricata var. denticulata Orlando Mistretta 1990-5-16 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region: Vicinity of Big Pines. Mountain High Ski Area. 2098 Comment
  RSA0078881  Cryptantha muricata var. denticulata R. G. Swinney 1999-7-5 7533 Los Angeles San Gabriel Mtns.: Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines highway at a point 0.5 mi. west of junction of Hwy 2. 1866 Comment
  RSA0079260  Cryptantha muricata var. jonesii R. F. Thorne 1971-6-26 40616 Los Angeles San Gabriel Mtns., Angeles National Forest: Shallow water at mouth of Big Tujunga Canyon. 426 Comment
  RSA0079219  Cryptantha muricata var. muricata R. F. Thorne, C. W. Tilforth, et al. 1972-6-29 42106 Los Angeles San Gabriel Mountains, Angeles National Forest: c. 2.0 mi SE of Valyermo on road to Jackson Lake. 1433 Comment
  RSA0079352  Cryptantha muricata var. muricata Marcus E. Jones 1882-5-3 s.n. Los Angeles Pasadena. Comment
  SEINET3860019  Cryptantha oxygona R. G. Swinney 2009-4-28 10517 Los Angeles Transverse Range; San Gabriel Mountains: Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd.; 0 1226 Comment
  UCR89475  Cryptantha oxygona T. S. Ross, Steve Boyd, L. Arnseth 1991-4-29 4797 Los Angeles San Gabriel Mtns., Parker Mtn and ridge to the SW: SW of Acton and NNE of Ravenna 1259 Comment
  UCSB71612  Cryptantha oxygona Gross, LeRoy; Hogshead, Bill; Mistretta, Orlando; Soza, Valerie 2003-5-25 Los Angeles San Gabriel Mtns region: Pacifico Mtn Rd (3N17) ca. 1.3 mi NW along rd from Alder Saddle to Pacifico Mtn and 2 mi SE from Mt. Pacifico Campgnd runoff; Near 34.36949N, 118.02486W; (Chilao Flat 7.5 Quad. T3N R11W S3, SW1/4,SW1/4) UTM Zone 3803407N 0405764E 1799 Comment
  SFV3104  Cryptantha pterocarya K. A. Wilson 1961-4-29 1172 Los Angeles Mojave Desert 1 mile northwest of Valyermo. 1085 Comment
  SD46640  Cryptantha pterocarya var. pterocarya P. C. Everett, E. K. Balls 1956-5-9 21567 Los Angeles 6.0 miles south of Lancaster along Highway 6. 760 Comment
  RSA0116811  Cryptantha simulans R. G. Swinney 2011-6-7 15090 Los Angeles San Gabriel Mountains; summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory. 1768 Comment
  RSA747294  Cucurbita foetidissima A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36914 Los Angeles San Gabriel Valley: San Gabriel River floodplain, Whittier Narrows Nature Center and east to Peck Rd. along the SCE powerlines and the river levee. 70 Comment
  RSA394302  Cucurbita foetidissima Clare, G. R. Johnstone 1931-4-26 s.n. Los Angeles Playa del Rey. Comment
  SEINET10625772  Cucurbita pepo Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3771 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  CHSC95699  Cuscuta californica Joseph Marlowe Keefe 2001-1-19 30971 Los Angeles Verdugo Mountains. Big Tujunga Wash, 200 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles, California, 91040. 384 Comment
  LA210104  Cuscuta californica Carl Epling; March 1925 6529 Los Angeles Santa Monica Mountains, Griffith Park Comment
  RSA409725  Cuscuta californica John P. Hill 1929-3-15 s.n. Los Angeles Verdugo Woodlands Comment
  UCR180567  Cuscuta pentagona Scott D. White, Andrea Warniment 2006-7-18 11634 Los Angeles SE Tehachapi Mtns, Gorman area, riparian zone along Gorman Creek, NE of the I-5 Freeway 1098 Comment
  RSA0103916  Cuscuta subinclusa R. G. Swinney 2011-10-10 15757 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 1537 Comment
  CAS-BOT-BC56729  Cylindropuntia prolifera L. R. Abrams; I. L. Wiggins 1931-7-6 383 Los Angeles Field redacted by CAS, contact the data manager for more information Comment
  SBBG13325  Cylindropuntia prolifera E. R. Blakley 1962-6-10 5239 Los Angeles above and N of Seal Cove 60 Comment
  SBBG127366  Cynosurus echinatus A. Parikh, N. Gale 2011-7-7 3536 Los Angeles Barley Flats, 4.4 km W of Shortcut Station, 1 km N of St Hwy 2; San Gabriel Mtns 1705 Comment
  RSA762264  Cyperus eragrostis Orlando Mistretta, Christine Mistretta 2008-5-5 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon. 627 Comment
  UC57098  Cyperus esculentus Ernest Braunton Sept, 1902 671 Los Angeles L.A. River Comment
  UCR197193  Cyperus involucratus Valerie Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 662 Los Angeles Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. SSW of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 549 Comment
  POM340635  Cyperus involucratus F. R. Fosberg 1973-11-15 55346 Los Angeles San Clemente Island, Wilson s Cove. Comment
  RSA365104  Cyperus niger var. capitatus Louis Greata 1900-10-28 s.n. Los Angeles Oak Knoll, Pasadena Comment
  POM1345  Cyperus niger var. capitatus I. M. Johnston 1916-11-19 s.n. Los Angeles Claremont. 365 Comment
  CAS-BOT-BC113958  Cyperus odoratus Fordyce Grinnell 1917-9-9 s.n. Los Angeles Near Los Angeles, Los Angeles river bottom. Comment
  RSA0025152  Cystopteris fragilis Jane Tirrell 2012-6-11 LS 0064 Los Angeles Lily Spring; north-facing forested slope near spring pproximtely 0.25 miles northwest of Mt Hawkins 2455 Comment
  UCR182748  Cystopteris fragilis R. G. Swinney 1997-7-16 5665 Los Angeles San Gabriel Mtns., Buford Canyon, 0.5 mi. west of San Bernardino Co. line, south of Hwy 2 and Swarthout Valley, c. 2 air miles west of Wrightwood 2195 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
  RSA13826  Datisca glomerata Victor Duran 1933-7-11 3518 Los Angeles Sulphur Spring, San Gabriel Mts. 1524 Comment
  RSA591670  Datura wrightii Louis C. Wheeler 1966-9-21 8885 Los Angeles San Gabriel Mountains. West side of mouth of west fork, San Gabriel Canyon, just downstream from bridge to east fork. 457 Comment
  UCSB49817  Datura wrightii Reisentz, Paul 1975-4-30 Los Angeles 1 1/2 miles south of intersection of Pacific Coast Hwy and Las Posas Rd. Santa Monica Mtns. 15 Comment
  SBBG98074  Daucus pusillus T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5238 Los Angeles first un-named cyn S of Snake Cactus Cyn (drainage beginning 1420' W of Guds) 152 Comment
  UCR129932  Daucus pusillus Orlando Mistretta 1994-6-6 1322 Los Angeles San Gabriel Mtns, Little Rock Creek. Slopes on E side of canyon south of the junction of Forest Service Roads 4N15 and 5N04.3 1311 Comment
  RSA601570  Daucus pusillus L. C. Wheeler 1967-6-15 9831 Los Angeles San Gabriel Mountains: North slope foothills between Bouquet Junction and Bonelli Ranch. Comment
  CAS-BOT-BC130943  Deinandra clementina L. R. Abrams; I. L. Wiggins 1931-7-3 302 Los Angeles Santa Barbara Island Comment
  UC1215125  Deinandra clementina Peter H. Raven 1962-7-12 18038 Los Angeles above North Head; San Clemente Island Comment
  JEPS15509  Deinandra fasciculata Peter H. Raven, H. J. Thompson, and S. R. Snow 1956-6-22 9448 Los Angeles below Mulholland Drive (above Sepulveda Boulevard); Santa Monica Mountains Comment
  LA200233  Deinandra fasciculata Dr. Woodhouse; 1940-5-26 sn Los Angeles Santa Monica Mountains, Franklin Canyon Comment
  SBBG98650  Deinandra fasciculata T. Ross 1991-5-20 5361 Los Angeles uppermost reaches of the Wilson Cove Cyn drainage, 3300 feet NW of the 750 ft bench mark 141 Comment
  SFV7108  Deinandra fasciculata K. A. Wilson 1974-8-21 1434 Los Angeles Santa Monica Mountains 0.3 miles west of Las Virgenes Road. Roadside bank. 185 Comment
  UC897752  Deinandra fasciculata Carl Epling, N. Dunn 1931-5-30 Los Angeles Los Alisos Canyon Santa Monica Mountains Comment
  CAS-BOT-BC299309  Deinandra fasciculata E. R. Blakley 1962-10-4 5398 Los Angeles Ironwood Gully, south of Catalina Harbor at Isthmus, Santa Catalina Island 182 Comment
  UC557780  Deinandra fasciculata Nell Murbarger 1936-5-1 215 Los Angeles n end of island mesa summit; San Clemente Island Comment
  SFV5395  Deinandra kelloggii J. Turner, F. M. Ball, C. Blake 1962-6-2 s. n. Los Angeles Mojave Desert Near Pearblossom. Area later destroyed in construction of water project reservoir. 915 Comment
  UCD131160  Deinandra minthornii Daryl Koutnik; William Balch, Bruce Holguin 1979-12-31 594 Los Angeles Charmlee Regional Park, about one mile southwest of Enicinal Canyon Road. 243 Comment
  CAS-BOT-BC9098  Delphinium cardinale LeRoy Abrams 1901-7-1 1875 Los Angeles West Fork of San Gabriel River Comment
  SFV21114  Delphinium cardinale L. Gross, N. Fraga, B. Hogshead, A. Virgen 2003-6-19 1102 Los Angeles Verdugo Mountains North side of Verdugo Mountains. Entered west of Haines Canyon Park off of Estepa Drive in Tujunga. Followed ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge. Tributary is north of the 210 Freeway. South of freeway will drain into La Tuna Canyon. On low ridge on east side of canyon, near canyon bottom. 457 Comment
  SD262363  Delphinium parishii R. G. Swinney 2014-4-17 16068 Los Angeles San Gabriel Mountains: SW of Littlerock, 0.5 -0.8 mi. east of Cheseboro Rd., 100-200 m south of CA Aqueduct, 0.66 mile due S of Hwy. 138/Pearblossom Hwy. 901 Comment
  CAS-BOT-BC7972  Delphinium parishii subsp. parishii W. R. Dudley; Frank Haines Lamb 1896-6-7 4350 Los Angeles Kings Canyon, Liebre Mountains Comment
  RSA587281  Delphinium parishii subsp. parishii Tim S. Ross, S. D. Boyd 1990-5-17 2571 Los Angeles Little Gleason Forestry Plantation: north of Mt Gleason Road about the east headwaters of Gleason Canyon and about 2 (air) miles E of Mt Gleason summit. 1682 Comment
  RSA650486  Delphinium parryi John Manning 1948-5-25 22 Los Angeles 4 miles S. SW. of Claremont. 244 Comment
  RSA0091875  Delphinium parryi subsp. maritimum Steven A. Junak, Ralph N. Philbrick 2001-5-17 SCa- 1521 Los Angeles Santa Catalina Island. E of Little Harbor, just N of Sheep Chute Ridge Road, ca. 0.2 mile from intersection with Little Harbor Road, on S side of Big Springs Canyon. 79 Comment
  LA52179  Delphinium parryi subsp. parryi Carl Epling; 1926-5-8 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  CAS-BOT-BC121543  Delphinium patens subsp. hepaticoideum LeRoy Abrams 1899-4-1 229 Los Angeles Elysian Park Comment
  RSA0030021  Delphinium patens subsp. montanum Bonnie C. Templeton 1932-6-17 4914 Los Angeles Big Pines Park, San Gabriel Mtns. Comment
  RSA783870  Delphinium variegatum subsp. kinkiense Bart O'Brien, Jason Koontz, Bryan Munson 2012-4-23 2012 12 B Los Angeles San Clemente Island. Twin Dams. N-NE facing slope. 468 Comment
  RSA251517  Delphinium variegatum subsp. thornei Robert F. Thorne 1973-4-11 42801 Los Angeles San Clemente Island, plateau in Middle Ranch area at head of Middle Ranch Canyon 427 Comment
  CAS-BOT-BC82905  Dendromecon rigida Tim Ross; Steve Boyd 1993-5-23 7224 Los Angeles Liebre Mountains. Lower, easterly ridge of Red Mountain, on northerly slope 140-220 meters southeast of the saddle. 963 Comment
  NY42970  Dendromecon rigida J. B. Walker 1995-3-29 1290 Los Angeles Angeles National Forest, Angeles Crest Hwy, 6km W of Rt N3 1000 Comment
  POM243795  Dendromecon rigida subsp. rhamnoides F. R. Fosberg 1931-5-21 S 4929 Los Angeles Santa Catalina Island. Between Howland's Landing and Johnson's Landing. Comment
  RSA233593  Dendromecon rigida subsp. rhamnoides Robert F. Thorne 1970-3-5 39362 Los Angeles Santa Catalina Island. N slope of Blackjack Mountain. 457 Comment
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Jan 22 2018
  RSA730261  Descurainia pinnata R. G. Swinney 1999-6-18 7278 Los Angeles San Gabriel Mtns.: Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1683 Comment
  UCR193444  Descurainia pinnata R. G. Swinney 1999-6-18 7278 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  RSA650977  Descurainia pinnata G. F. Orr 1956-3-25 s.n. Los Angeles Newhall. 426 Comment
  UCR197723  Descurainia pinnata subsp. glabra Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 28 Los Angeles Transverse Ranges; San Gabriel Mountains, off Big Pines Hwy (Road N) on the north side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside 1444 Comment
  UC284746  Descurainia pinnata subsp. halictorum P. A. Munz 1923-4-10 6740 Los Angeles w coast San Clemente Island (s of Lemon Tank) Comment
  RSA252963  Descurainia pinnata subsp. menziesii R. F. Thorne, C. W. Tilforth 1973-4-20 43096 Los Angeles San Bernardino National forest; Mormon Rocks and Cajon Canyon 1036 Comment
  RSA597569  Dicentra chrysantha Tim S. Ross 1990-6-22 3761 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone. 1707 Comment
  RSA670713  Dicentra ochroleuca Bonnie C. Templeton 1955-5-12 7727 Los Angeles Along Mulholland Drive, Santa Monica Mountains. Comment
  RSA0093469  Dichelostemma capitatum Richard G. Swinney 2011-6-7 15055 Los Angeles San Gabriel Mountains: Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy.2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek. 1573 Comment
  SBBG133192  Dichelostemma capitatum J. Savage 2003-4-12 JS 2 -2003 Los Angeles Tombstone ATV trail, at corner in major turn in trail 130 Comment
  UC3244  Dichelostemma capitatum Harley P. Chandler 1897-1-2 Los Angeles Los Angeles 365 Comment
  UCR222992  Dichelostemma capitatum R. G. Swinney 2009-5-5 10634 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 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
  RSA631388  Dichelostemma capitatum subsp. capitatum Valerie L. Soza, LeRoy Gross 1999-5-10 462 Los Angeles San Gabriel Mountains: Foothills above San Dimas, between Morgan and Wildwood Canyons. 457 Comment
  POM365106  Digitaria ciliaris Bonnie C. Templeton 1962-7-30 9381 Los Angeles Los Angeles. Comment
  POM365099  Digitaria sanguinalis L. E. Hoffman 1932-8-16 s.n. Los Angeles Arroyo Seco, Angeles Forest. [San Gabriel Mountains]. Comment
  CAS-BOT-BC150858  Diplacus X australis H. E. Hasse 1893-5-1 s.n. Los Angeles Near Soldiers Home Comment
  RSA0047423  Diplacus aurantiacus subsp. aurantiacus R. G. Swinney 2010-5-4 12505 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
  SD58518  Diplacus brevipes Isabelle Tavares, Valera Brinson 1962-4-16 255 Los Angeles Bouquet (Boquet) Canyon Road, three miles south of Boquet Canyon Guard Station Comment
  SEINET202654  Diplacus fremontii Isabelle Tavare, Valera Brinson 1962-1 292 Los Angeles On Hwy 138, 26 mi E of Palmdale 1036 Comment
  CAS-BOT-BC150867  Diplacus puniceus John I. Carlson 1914-5-2 s.n. Los Angeles Avalon, Catalina Isl. Comment
  RSA747399  Distichlis spicata R. G. Swinney 2008-6-9 8949 Los Angeles San Gabriel Mtns.: Sandrock Creek, 1.0 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  POM3670  Dodecatheon clevelandii subsp. clevelandii P. A. Munz 1918-3-28 2013 Los Angeles Claremont. In small canyon west of Palmer's Canyon. Comment
  RSA461365  Dodecatheon clevelandii subsp. sanctarum Howard Mullins 1931-3-21 s.n. Los Angeles Santa Susana. Comment
  CAS-BOT-BC129962  Dodecatheon redolens H. J. Thompson 1953-6-12 1561 Los Angeles In seepage area below Windy Springs, N slope of Mt. Islip N of Crystal Lake, San Gabriel Mts. 2133 Comment
  POM481  Draba corrugata var. corrugata I. M. Johnston 1917-7-30 1609 Los Angeles Kelly s Cabin, Ontario Peak. 2591 Comment
  UCR182703  Drymocallis lactea var. lactea R. G. Swinney 1997-8-6 5769 Los Angeles San Gabriel Mtns, along Big Pines Hwy, c. 0.5 mi. west of Hwy 2 junction, east of Jackson Lake 2024 Comment
  LA200096  Dryopteris arguta Lawrence L. Kiefer; 1966-5-14 2033 Los Angeles SANTA MONICA MOUNTAINS, Cahuenga Peak, ca 0.5 mi above Barham Blvd, NW [label says NE] side of Cahuenga Peak. 304 Comment
  LA210523  Dryopteris arguta Barbara Joe; 1952-1-7 sn Los Angeles SANTA MONICA MOUNTAINS, Rustic Canyon Comment
  POM155663  Dryopteris arguta M. B. Dunkle 1928-5-13 1948 Los Angeles Santa Catalina Island: north slope Eagle's Nest 106 Comment
  RSA0022953  Dryopteris arguta Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5130 Los Angeles San Gabriel Mountains region: Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  UCSB8254  Dryopteris arguta Haller, John 1950-5-29 Los Angeles Santa Monica Mtns., Mulholland Dr., above Sepulveda Tunnel. 411 Comment
  RSA762066  Dryopteris arguta Orlando Mistretta, Christine Mistretta 2008-5-16 3091 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 107 per TRTP Survey 2008), Upper Fish Canyon 1073 Comment
  SEINET10568355  Dryopteris arguta David B. Dunn 1937-2-28 Dunn s.n. Los Angeles Monrovia Canyon. Comment
  SFV10204  Dryopteris arguta J. G. Cuti 1978-6-20 73 Los Angeles About 0.5 miles off Santa Susana Pass Road on Box Canyon Road. Comment
  RSA660842  Dudleya Ann Williams 1992-5-14 25 -92 Los Angeles End of Canyon Dr., .2 miles off Penn St. and 100 yds. E of Whittier College track. 152 Comment
  UC2060000  Dudleya cymosa K. Nakai 1981-6-24 775 Los Angeles Fish Canyon, San Gabriel Mountains, ca. 1.5 km from the mouth of Canyon. Comment
  UCR193682  Dudleya cymosa R. G. Swinney, Dave Larson 1999-5-29 7233 Los Angeles San Gabriel Mtns., San Dimas Canyon, at waterfall in main fork c. 600 m north of confluence with East Fork 610 Comment
  RSA561819  Dudleya cymosa subsp. pumila Steve Boyd, Orlando Mistretta 1993-6-3 8173 B Los Angeles north of Sylmar and south of Santa Clarita. North of Santa Clara Rd (3N17.9) at head of eastern-most canyons 914 Comment
  RSA610974  Dudleya cymosa subsp. pumila L. C. Wheeler 1970-6-26 s.n. Los Angeles San Gabriel Mountains: East Fork San Gabriel Canyon, ca. 1/4 mile upstream from Alder Gulch. 1158 Comment
  JEPS49975  Dudleya densiflora Frank W. Peirson 1919-7-1 517 Los Angeles Fish Canyon San Gabriel Mtns 274 Comment
  UC933194  Dudleya hassei Carl B. Wolf 1950-4-28 3629 Los Angeles facing Pebbly Beach; Santa Catalina Island Comment
  UCR61047  Dudleya lanceolata R. G. Swinney 1989-5-6 s.n. Los Angeles San Gabriel Mtns., in and Near Glendora Wilderness Park, in Big Dalton Canyon and its tributaries. Poopout Hill firebreak 488 Comment
  UC1174782  Dudleya lanceolata P. C. Everett and E. K. Balls 1960-5-30 24134 Los Angeles 2.2 mi from entrance San Gabriel Canyon; Angeles National Forest 365 Comment
  POM211421  Dudleya multicaulis L. C. Wheeler 1934-4-27 2572 Los Angeles Marshall Creek. 488 Comment
  SD135105  Dudleya sproulii Paul H. Thomson Unknown Los Angeles Santa Catalina Island Comment
  SD181595  Dysphania ambrosioides Louis C. Wheeler 1967-5-29 9769 Los Angeles San Gabriel Mountains, San Antonio Canyon, sourhwest of Spring Hill. One plant in semi-sun canyon bottom, disturbed sandy gravel. 883 Comment
  UCD98760  Dysphania botrys Louis C. Wheeler 1946-8-27 6250 Los Angeles San Gabriel Mountains, Angeles Forest Highway opposite junction of Mill Creek and Big Tujunga Canyon. 868 Comment
  RSA374949  Echinochloa crus-galli S. Granger 1985-9-18 LASCA- 840 Los Angeles Glendora. Comment
  RSA596200  Echinochloa crus-galli Lauren Raz, Steve Boyd 1996-10-23 11 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
  RSA666731  Ehrharta erecta A. C. Sanders, D. Malueg 2001-5-17 24314 Los Angeles Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decomissioned. 122 Comment
  SBBG42097  Ehrharta erecta S. A. Junak 1998-6-13 SCa 743 Los Angeles Avalon, in planted area at Casino Building 7 Comment
  UC1930153  Ehrharta longiflora Scott D. White, Justin Wood 2008-5-8 11943 Los Angeles Puente / Chino Hills: SCE powerline corridor near Skyline Dr., and E of Hacienda Blvd.; Hacienda Heights. Comment
  UCR253384  Eleocharis R. G. Swinney 2010-9-1 13658 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  CAS-BOT-BC113037  Eleocharis montevidensis Street; Williams 1919-5-10 2715 Los Angeles San Gabriel River bed near Bassett 89 Comment
  UCR179243  Eleocharis parishii R. G. Swinney 1989-7-13 s.n. Los Angeles San Gabriel Mtns., in and near Glendora Wilderness Park, Morgan Canyon Debris Basin 366 Comment
  RSA611544  Eleocharis parishii L. C. Wheeler 1968-10-1 s.n. Los Angeles San Gabriel Mountains: Big Tujunga Canyon, near Doske Road. Comment
  SEINET3929181  Eleusine indica Louis C. Wheeler 1946-8-22 6227 Los Angeles North Court of Allen Hancock's Foundation, University of Southern California. 36th Street and University Avenue.; 0 Comment
  POM352507  Elymus Geo. L. Moxley, Grinnell 1916-6-16 496 Los Angeles Santa Susana Mountains. Comment
  SEINET3929483  Elymus condensatus Steve Boyd, L. Raz 1997-5-6 9765 Los Angeles Liebre Mountains Region: Fish Canyon just upstream from the confluence with Castaic Creek.; 0 500 Comment
  CAS-BOT-BC227496  Elymus elymoides LeRoy Abrams 1902-6-29 2597 Los Angeles Mt. Wilson Comment
  CAS-BOT-BC227504  Elymus elymoides Victor Duran 1933-7-9 3506 Los Angeles Horse Flats, San Gabriel Mts. 1676 Comment
  UCR223717  Elymus elymoides R. G. Swinney 2009-6-17 11207 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
  UCR177494  Elymus elymoides subsp. elymoides LeRoy Gross 2005-4-28 2180 Los Angeles San Gabriel Mountains, Ridgeline to Mt. Emma and canyon south of this ridge. W from Mt. Emma (NW trending ridge, lower part of ridgeline starts to turn SW) east of Mt. Emma Rd 1413 Comment
  UCR194026  Elymus glaucus R. G. Swinney 1998-7-28 6521 Los Angeles San Gabriel Mtns., south fork of Cow Canyon at and above Fallen Leaf Spring, to 0.2 mi. south of Glendora Ridge Rd. 1427 Comment
  LA211062  Elymus glaucus Arthur C. Gibson; Tarja Sagar 2010-5-22 s.n. Los Angeles SANTA MONICA MOUNTAINS, Newton Canyon Trail hiking. Comment
  CAS-BOT-BC206747  Elymus glaucus subsp. glaucus Carl B. Wolf 1932-5-9 3488 Los Angeles Santa Catalina Island, left (E.) fork of Pebbly Beach Canyon at 2nd group of mine workings. 304 Comment
  LA14811  Elymus glaucus subsp. glaucus Carl Epling; 1931-4-25 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA641379  Elymus glaucus subsp. jepsonii Orlando Mistretta 1995-6-23 1829 Los Angeles San Gabriel Mountains: Lookout Mt. Trail. Orobanche valida survey site 2. 1829 Comment
  UCR2095  Elymus stebbinsii F. M. Reed 1925-6-18 5103 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Canyon 823 Comment
  RSA608835  Elytrigia intermedia subsp. intermedia L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: Divide between Oak Spring Canyon and Cottonwood Canyon, off Little Tujunga Canyon 822 Comment
  UC1595438  Emmenanthe penduliflora Tim Ross 1992-4-4 6065 Los Angeles Three Sisters: SW Mojave Desert, 1 mi SE of Black Butte, middle butte of Three Sisters 969 Comment
  UCR193512  Emmenanthe penduliflora Dan S. Cooper 2008-3-20 s.n. Los Angeles Los Angeles Basin, upslope of Ganymede Dr., east of Division St., Mt. Washington, Los Angeles 194 Comment
  SEINET13387017 Image available Emmenanthe penduliflora var. penduliflora R. G. Swinney 2011-1 15441 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. (Chilao Flat 7.5' Q.) 1219 Comment
  CAS-BOT-BC131220  Encelia californica Marcus E. Jones 1903-5-15 s.n. Los Angeles Catalina Island 30 Comment
  UCR131399  Encelia californica Alison Lipman 1998-9-4 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
  UCR269882  Endolepis covillei Jeremiah George 2015-4-10 415- 07 Los Angeles Western Mojave Desert, Lancaster, southeast of intersection of West Ave. I and 30th St. West, north of Jackman St. 708 Comment
  UCR123647  Ephedra californica Steven R. Hill, K. Kramer 2001-4-22 33361 Los Angeles San Gabriel Mtns./SW Mojave Desert, Elizabeth Lake Road, 9.7 mi by road SSW of the junction with Johnson Road, vicinity of Bee Canyon 549 Comment
  CAS-BOT-BC126752  Ephedra nevadensis Steven R. Hill; Kate Kramer 2001-4-22 33366 Los Angeles North foothills of San Gabriel Mountains, Elizabeth Lake Road, 3.3 miles west of California Route 14, 0.9 mile west of Highland Street (25th Street West), west of Palmdale. Vicinity of Armagosa Creek 853 Comment
  NY99490  Ephedra nevadensis S. D. Boyd 1996-5-1 8740 Los Angeles Liebre Mountains, rugged hills between Soledad Canyon Agua Dulce, west of Yound Canyon along the Pacific Crest Trail 853.4 Comment
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Apr 24 2014
  RSA226023  Ephedra nevadensis Robert F. Thorne, Dick Tilforth 1971-6-29 40689 Los Angeles San Gabriel Mts., Angeles National Forest: N slope San Gabriel Mts., ca. 1.5 miles E of junction of Aliso Creek wash and Santa Clara River. 854 Comment
  RSA229713  Ephedra viridis Robert F. Thorne, C. W. Tilforth 1969-6-26 38197 Los Angeles Big Rock Creek Canyon at Sycamore flat campground, SW slope of Pinyon Ridge 1295 Comment
  RSA448533  Epilobium angustifolium subsp. circumvagum Unspecified s.n. Los Angeles On the trail to Flumes 4 & 5, San Dimas Experimental Forest, U.S. Forest Department. Comment
  LA200710  Epilobium canum subsp. canum Martha Hilend; sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  UC56482  Epilobium canum subsp. canum Miss E. D. Palmer Nov. 1901 Los Angeles Los Angeles Comment
  RSA0124086  Epilobium canum subsp. canum Louis C. Wheeler 1967-7-20 10115 Los Angeles Aliso Canyon. 1067 Comment
  RSA588502  Epilobium canum subsp. latifolium Fordyce Grinnell Jr. 1917-8-29 s.n. Los Angeles Mt. Waterman Ridge. Comment
  RSA594655  Epilobium ciliatum Louis C. Wheeler 1967-7-30 10267 Los Angeles San Gabriel Mountains. All Trail Canyon, BM 3434 near Tom Lucas campground. 1006 Comment
  JEPS39297  Epilobium ciliatum subsp. ciliatum Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco Los Angeles Comment
  POM2991  Epilobium ciliatum subsp. ciliatum D. L. Crawford 1915-7-16 s.n. Los Angeles Live Oak Canyon -Claremont Comment
  RSA72174  Epilobium ciliatum subsp. ciliatum F. W. Peirson 1929-6-30 8432 Los Angeles Tie Canyon, tributary of Aliso Creek. 1433 Comment
  SEINET6637204 Image available Epilobium ciliatum subsp. ciliatum Joseph Andorfer Ewan, A. N. Dunn 1933-1 7820 Los Angeles San Gabriel Mountains; Colby's Ranch; Coldwater Canyon 1143 Comment
  RSA0016977  Epilobium ciliatum subsp. ciliatum O. R. L. s.n. Los Angeles Near Glendale Comment
  RSA639193  Epilobium ciliatum subsp. glandulosum Louis C. Wheeler 1967-9-3 10635 Los Angeles San Gabriel Mountains; Prairie Fork. 2317 Comment
  RSA0089518  Epilobium glaberrimum subsp. glaberrimum R. G. Swinney 2011-8-17 15618 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  SEINET5730852 Image available Epipactis gigantea Billings s.n. Los Angeles Mt. Wilson Annotated by DMF, 2005: Angeles N. F., Los Angeles County, CA.; Mt. Wilson Comment
  SBBG27189  Equisetum hyemale L. C. Wheeler 1931-9-27 161 Los Angeles San Dimas Cyn 685 Comment
  LA94024  Equisetum hyemale subsp. affine Lawrence L. Kiefer; 1963-6-30 580 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit 60 Comment
  RSA0058221  Equisetum laevigatum R. G. Swinney 2010-6-23 13343 Los Angeles San Gabriel Mountains/Verdugo Mountains: Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace. 335 Comment
  UCR107244  Equisetum laevigatum R. G. Swinney 1994-8-23 3225 Los Angeles San Gabriel Mtns., San Gabriel Mtns, Mt. Baldy Rd on W shoulder, c. 0.25 mi SW of Mt. Baldy Rd junction w/ Glendora Mountain Rd. Comment
  LA94035  Equisetum telmateia subsp. braunii Lawrence L. Kiefer; 1966-3-20 1754 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon, ca 1 mi from mouth of canyon. 91 Comment
  UCR205636  Eragrostis A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36993 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  RSA134718  Eragrostis cilianensis E. K. Balls 1959-6-10 23857 Los Angeles L.A. Co. On cultivated ground. Comment
  UCR281606  Eremalche exilis R. G. Swinney 2014-4-18 16135 Los Angeles San Gabriel Mountains, jct. of Little Rock Wash and Mt. Emma Rd., on east side of wash, c. 100 m. north of Mt. Emma Rd. 927 Comment
  UC75422  Eremocarpus setiger C. F. Baker 1903-8-1 3445 Los Angeles Claremont Comment
  POM13846B  Eremocarpus setiger Edward L. Greene 1903-8-1 3442 Los Angeles Claremont. 365 Comment
  RSA33889  Eremocarpus setiger Tom Burch 1943-07 s.n. Los Angeles Redondo Beach. Comment
  RSA421758  Eremocarpus setiger F. R. Fosberg 1931-7-11 S- 5383 Los Angeles Middle of Cape Canyon, Santa Catalina Island. 220 Comment
  RSA598653  Eremocarpus setiger L. C. Wheeler 1968-6-16 s.n. Los Angeles San Gabriel Mountains. Divide between Cucamonga Canyon and Stoddard Canyon. 1066 Comment
  RSA0034385  Eremogone macradenia var. arcuifolia Orlando Mistretta 1994-5-23 1252 Los Angeles San Gabriel Mountains: Little Rock Creek. drainage E of creek and N of Forest Rd. 4N15. 1402 Comment
  SD65477  Eriastrum densifolium subsp. austromontanum Reid Moran 1967-7-22 14090 Los Angeles Canyon south of Chilao, San Gabriel Mountains. 1550 Comment
  RSA0087108  Eriastrum filifolium Steven A. Junak, Mark L. Hoefs 2001-5-5 SCa- 1508 Los Angeles Santa Catalina Island. Just S of road to Cape Canyon ridgetop, on N side of Middle Ranch Canyon, ca. 0.5 mile from junction with Middle Canyon Road. 396 Comment
  UCR150457  Eriastrum sapphirinum R. G. Swinney 1999-6-21 7344 Los Angeles San Gabriel Mtns., spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  UCR192887  Eriastrum sapphirinum R. G. Swinney 1998-7-6 6274 Los Angeles San Gabriel Mtns., Mescal Canyon, 2.3 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1646 Comment
  RSA0117758  Eriastrum sapphirinum subsp. dasyanthum Sarah J. J. De Groot, Linda Lee Worlow 2005-5-26 5013 Los Angeles Claremont: vacant lot on northwest corner of Foothill Blvd and Monte Vista Ave. Bajada of the San Gabriel Mountains. 398 Comment
  RSA0121272  Eriastrum sapphirinum subsp. dasyanthum LeRoy Gross, Laura Moore 2000-6-5 217 Los Angeles Verdugo Mountains: Ridgetop east of Brand and south of Pomeroy Canyons. 304 Comment
  RSA0122870  Eriastrum sapphirinum subsp. dasyanthum LeRoy Gross 2007-5-16 2736 Los Angeles Southern side of the range: Near debris basin by Bel Aire Park. Northeast of the intersection of Bel Aire Drive and Cambridge Drive. Near 273 Comment
  CAS-BOT-BC514968  Eriastrum sapphirinum subsp. dasyanthum Cecil Hart 1920-5-18 s.n. Los Angeles Pasadena Comment
  UCSB5008  Eriastrum sapphirinum subsp. dasyanthum Sager, Ginny 1960-5-13 Los Angeles 1 mile west of Pearlblossom on Highway 138 Comment
  CAS-BOT-BC286885  Ericameria ericoides Carl B. Wolf 1931-12-30 2640 Los Angeles Bluffs at Playa Del Rey 30 Comment
  SD124550  Ericameria linearifolia J. Sauer, G. Malanson 1981-5-15 6136 Los Angeles San Gabriel Mountains; near Juniper Hills on north side of range. Comment
  SFV21423  Ericameria linearifolia L. Gross, T. Anderson 2004-5-3 1216 Los Angeles San Gabriel Mountains Road started west of Mount Lukens, down (southeast) to a little west of Earl Canyon Road (USFS Roads 2N76.1 & 2N76.2) 1380 Comment
  SD11856  Ericameria nauseosa var. mohavensis C. B. Wolf 1931-10-23 2491 Los Angeles Swartout Valley, 1 mile east of Wrightwood Lodge, San Gabriel Mountains 1830 Comment
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Jul 4 2013
  CAS-BOT-BC299510  Ericameria palmeri var. pachylepis Louis C. Wheeler 1931-10-16 254 Los Angeles U.C.L.A. Campus, west Los Angeles 114 Comment
  POM359350  Ericameria palmeri var. pachylepis Geo. L. Moxley 1914-9-19 283 Los Angeles S. Hollywood Comment
  POM359436  Ericameria palmeri var. pachylepis Blanche Trask 1900-10 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  LA202514  Ericameria pinifolia Louis C. Wheeler; 1931-10-17 260 Los Angeles San Gabriel Mountains, Thompson Creek Wash 411 Comment
  OBI16560  Ericameria pinifolia H. E. McMinn 1937-3-4 4473 Los Angeles Between Upland and Claremont Comment
  RSA652958  Ericameria pinifolia A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23287 Los Angeles Santa Susana Mountains: Aliso Canyon Oil Field, Oat Mountain; Mormon, Limekiln & Aliso Cyn watershed. 686 Comment
  UC1118813  Ericameria pinifolia A. Lewis 1933-5-1 3074 Los Angeles Spunky Canyon Angeles National Forest, Elizabeth Quad., Spunky Canyon 914 Comment
  CAS-BOT-BC296207  Erigeron foliosus var. foliosus Fordyce Grinnell, Jr. 1916-9-20 s.n. Los Angeles Mt. Waterman near Pasadena, San Gabriel Mts. 2590 Comment
  RSA93113  Erigeron philadelphicus F. W. Peirson 1920-5-12 2761 Los Angeles El Monte Comment
  RSA580307  Eriodictyon crassifolium var. nigrescens Tim S. Ross, Steve D. Boyd 1994-5-25 7924 Los Angeles Necktie Basin: hanging basin ca 470-830 meters W of Warm Springs Mountain summit. These collections from ca. 600-800 meters WSW of summit. 1061 Comment
  RSA594739  Eriodictyon crassifolium var. nigrescens Tim S. Ross 1995-4-7 8352 Los Angeles Old Ridge Route: 3.95 miles N of its junction with Lake Hughes Road, W of Castaic Lake on ridge dividing Marple Canyon from Grasshopper Canyon. 619 Comment
  RSA657198  Eriodictyon crassifolium var. nigrescens Joseph M. Keefe 2001-1-19 30972 Los Angeles Big Tujunga Wash, 200 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles, 91040. 385 Comment
  UC73708  Eriodictyon crassifolium var. nigrescens Pupils of Los Angeles High School June 1902 Los Angeles South Pasadena Comment
  CAS-BOT-BC188087  Eriodictyon traskiae Lester Rowntree 1938-3-18 s.n. Los Angeles Catalina Comment
  RSA652154  Eriodictyon trichocalyx D. Bartholomew 1961-5-13 s.n. Los Angeles San Antonio Dam, along the Mt. Baldy Rd. Comment
  UC1544815  Eriodictyon trichocalyx Almut G. Jones 1986-8-21 7243 Los Angeles along Hwy 2 between Big Pines and Wrightwood; bet Big Pines and Wrightwood 2300 Comment
  UCR271077  Eriodictyon trichocalyx subsp. trichocalyx R. G. Swinney 2011-6-14 15127 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  CAS-BOT-BC248474  Eriogonum angulosum Frank W. Peirson 1921-11-11 4202 Los Angeles Elizabeth Lake Comment
  RSA766417  Eriogonum baileyi Joseph A. Ewan 1932-7-23 7829 Los Angeles San Gabriel Mts. Tujunga Creek at Wickup Canyon Jct. 976 Comment
  UCR164535  Eriogonum brachyanthum T. B. Salvato, Sandra Murcia 2005-11-1 1246 Los Angeles West Mojave Desert, NE edge of Palmdale c. 2 mi N of Pearland, 10 acre parcel east of 46th St., 0.1 mi past Hwy 138 on Palmdale Blvd, and south of Avenue Q 793 Comment
  UCSC011210  Eriogonum brachyanthum Adam Searcy 2015-7-24 70 Los Angeles Santa Clarita, Vista Canyon Ranch, Santa Clara River Comment
  UC6415  Eriogonum cinereum Wm. H. Brewer 1860-12-21 80 Los Angeles Sierra Santa Monica Comment
  UCR193992  Eriogonum davidsonii R. G. Swinney 1998-8-13 6749 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  UCR223073  Eriogonum davidsonii R. G. Swinney 2009-5-13 10786 Los Angeles Transverse Range; San Gabriel Mtns. Foothills, Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  UCR205265  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2005-8-15 8489 Los Angeles Eastern San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Punchbowl Canyon 1341 Comment
  CAS-BOT-BC253260  Eriogonum fasciculatum var. foliolosum W. R. Dudley 1907-12-8 s.n. Los Angeles Sawpit Canyon near Monrovia Comment
  CAS-BOT-BC253275  Eriogonum fasciculatum var. foliolosum Le Roy Abrams 1900-8-1 1048 Los Angeles San Gabriel Wash Comment
  RSA482523  Eriogonum fasciculatum var. foliolosum Richard Noyes, L. Arnseth 1988-4-30 549 Los Angeles Claremont. San Gabriel Mountains: Burbank Canyon, northwest of Thompson Creek Dam 500 Comment
  UC1595252  Eriogonum fasciculatum var. foliolosum Tim Ross, Peter Fritsch 1990-6-20 3635 Los Angeles near confluence of E and W Forks of the San Gabriel river (mouth of Burro Canyon); San Gabriel Mountains, Burro Canyon 445 Comment
  UCR127239  Eriogonum fasciculatum var. foliolosum Mark A. Elvin 2003-5-25 2927 B Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, mesa in middle of Salt Creek drainage 595 Comment
  UC1587669  Eriogonum fasciculatum var. polifolium Tim Ross 1991-8-14 5793 Los Angeles 3200 ft nw, Pacifico Mtn Rd Alder Saddle; San Gabriel Mountains, Chilao Flat USGS 7.5' quad. 1767 Comment
  CAS-BOT-BC250305  Eriogonum giganteum var. giganteum Geo. B. Grant 1906-9-1 7160 Los Angeles Catalina Is., Moonstone Beach Comment
  UC1413434  Eriogonum giganteum var. giganteum James L. Reveal and Caroline G. Reveal 1974-8-6 3765 Los Angeles on steep slopes above northern edge of Avalon Bay (n of Avalon); Santa Catalina Island, Descanso Beach 4 Comment
  CAS-BOT-BC253450  Eriogonum gracile Dr. A. Davidson 1891-1-1 s.n. Los Angeles Los Angeles Comment
  CAS-BOT-BC253471  Eriogonum gracile Geo. B. Grant 1904-9-15 6422 Los Angeles Pasadena Comment
  CAS-BOT-BC253449  Eriogonum gracile Dr. A. Davidson 1893-1-1 s.n. Los Angeles Unspecified Comment
  RSA393228  Eriogonum gracile var. gracile M. B. Dunkle 1940-9-4 s.n. Los Angeles Mill Creek. Comment
  UCR127672  Eriogonum gracile var. gracile Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-14 3002 Los Angeles Santa Clarita Valley, Newhall Ranch, mouth of Castaic Creek, south of SR 126 290 Comment
  RSA247969  Eriogonum maculatum Robert F. Thorne, Gary D. Wallace 1973-4-24 43442 Los Angeles Antelope Valley, Western Mojave Desert: Lovejoy Buttes, N of Llano, S slope. 915 Comment
  JEPS56722  Eriogonum microthecum var. johnstonii I. M. Johnston 1917-9-16 1726 Los Angeles w spur of Baldy ( = Mt. San Antonio ) San Antonio Mountains, Baldy ( = Mt. San Antonio ) 2743 Comment
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Jan 4 2012
  UCR25208  Eriogonum microthecum var. johnstonii T. P. Krantz 1981-9-22 s.n. Los Angeles San Gabriel Mtns., Mt. San Antonio, along ridge west of Mtn. 2851 Comment
  RSA393687  Eriogonum mohavense N. C. Cooper 1943-11-20 972 Los Angeles Lancaster. Mojave Desert 762 Comment
  SBBG64063  Eriogonum mohavense R. Hoffmann 1929-4-26 Los Angeles 2 mi E of Acton Comment
  UC1537288  Eriogonum mohavense Gordon H. True 1935-4-19 274 Los Angeles Lovejoy Butte Comment
  UCR56548  Eriogonum mohavense Ed LaRue 1989-5-11 s.n. Los Angeles Western Mojave Desert, Palmdale, c. 0.5 mi (air) east of Alpine Springs [Mobile Home] Park, c. 0.5 mi. (air) north of point where Hwy 138 [=Sierra Hwy or Pearblossom Hwy] crosses California Aqueduct & c. 0.75 mi. (air) south of Ave. S 856 Comment
  POM158213  Eriogonum nudum var. pauciflorum P. A. Munz, I. M. Johnston 1928-9-5 11188 Los Angeles Swartout Valley, San Gabriel Mountains 1982 Comment
  RSA228964  Eriogonum parishii Robert F. Thorne 1971-8-25 41329 Los Angeles San Gabriel Mountains, Angeles National Forest: near Pine Hollow Picnic Area along Angeles Crest Highway 2256 Comment
  UCR50876  Eriogonum parvifolium A. C. Sanders 1988-5-18 7840 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  RSA725885  Eriogonum pusillum R. G. Swinney 1997-6-25 5642 Los Angeles San Gabriel Mountains: southwest of Wrightwood, Blue Ridge ca. 0.5 mi. W of Guffy Camp, Forest Service Rd. 3N06, ca. 5.1 miles east of Hwy 2. 2518 Comment
  UCR197785  Eriogonum pusillum Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 46 Los Angeles Transverse Ranges; San Gabriel Mountains, off Big Pines Hwy (Road N) on the north side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside 1444 Comment
  SBBG65435  Eriogonum reniforme R. Hoffmann 1929-4-5 Los Angeles Palmdale Comment
  SBBG64257  Eriogonum roseum R. Hoffmann 1927-8-31 Los Angeles NE of Acton Comment
  JEPS56302  Eriogonum saxatile F. R. Fosberg and J. Ewan 1931-8-12 4922 Los Angeles n slope Mount Islip Mount Islip 2438 Comment
  UCR209980  Eriogonum saxatile R. G. Swinney 2008-7-24 9292 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  CAS-BOT-BC267578  Eriogonum saxatile Noel H. Holmgren; James L. Reveal 1966-5-29 2611 Los Angeles Ridge east of Mt. Gleason, 2.7 road miles west of Mill Creek summit, San Gabriel Mountains 1767 Comment
  RSA424973  Eriogonum thurberi Anstruther Davidson 1889-08 s.n. Los Angeles Los Angeles. Comment
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Jul 29 2018
  SBBG65513  Eriogonum thurberi unknown 1928-8-26 Los Angeles Big Tujunga Crk Comment
  UCR124488  Eriogonum umbellatum var. bahiiforme B. C. Templeton 1932-7-21 5030 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  RSA250563  Eriogonum umbellatum var. minus Robert F. Thorne, John Dourley 1967-10-3 37288 Los Angeles Mt. Baden-Powell: summit 2866 Comment
  RSA700424  Eriogonum umbellatum var. minus Gary D. Wallace 1985-7-5 2235 Los Angeles San Gabriel Mountains: Mt. Islip. Angeles National Forest. 2515 Comment
  RSA191580  Eriogonum wrightii var. subscaposum Robert F. Thorne, M. Z. Thorne 1966-8-29 36589 Los Angeles San Gabriel Mountains, Angeles National Forest: S end of Crystal Lake at upper end of canyon of N fork of San Gabriel River 1707 Comment
  RSA569410  Eriogonum wrightii var. subscaposum Bonnie C. Templeton 1932-8-26 5101 Los Angeles Big Pines park, San Gabriel Mountains 2088 Comment
  RSA748795  Eriogonum wrightii var. subscaposum R. G. Swinney 2001-8-9 8018 Los Angeles Mount Williamson, third peak from east on the ridge. 2513 Comment
  UC729481  Eriogonum wrightii var. subscaposum Carl B. Wolf 1932-8-11 4006 Los Angeles on road to Little Rock 8 mi below Big Pines Park; San Gabriel Mts. 1371 Comment
  UCR220195  Eriophyllum confertiflorum R. G. Swinney 2009-4-7 10300 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills and S.G. Valley, Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  LA203579  Eriophyllum confertiflorum var. confertiflorum Victor Duran; 1933-7-8 3502 Los Angeles San Gabriel Mountains, Horse Flats 1676 Comment
  RSA225735  Eriophyllum confertiflorum var. confertiflorum R. F. Thorne, A. C. Gibson 1971-5-22 39710 Los Angeles San Gabriel Mountains: Near mouth of Fish Canyon. 244 Comment
  SBBG98706  Eriophyllum confertiflorum var. confertiflorum T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5274 Los Angeles W fork of Near-Death Cyn, draining to Mosquito Cove (drainage beginning 800 ft N of Rest; 1800 ft SE of Malo Knoll 304 Comment
  RSA141604  Eriophyllum nevinii Percy C. Everett 1960-9-28 24298 Los Angeles Avalon, Santa Catalina [Island], along road to St. Catharine's Hotel. 8 Comment
  RSA630311  Eriophyllum wallacei L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 Comment
  UCR272933  Erodium botrys Steven A. Junak 2000-6-30 SCa- 1354 Los Angeles Channel Islands, Santa Catalina Island, above Airport Road, across from Wrigley Reservoir, at turnoff for East Summit Vista area 427 Comment
  RSA391771  Erodium botrys Bonnie C. Templeton, I. W. Clokey 1930-4-8 1494 Los Angeles San Fernando Valley near Sangus 300 Comment
  RSA611073  Erodium botrys Louis C. Wheeler 1970-6-9 s.n. Los Angeles San Pedro: Harbor Blvd. at 4th Street. 3 Comment
  UCD103068  Erodium botrys Daryl Koutnik 1978-3-3 s.n. Los Angeles Terminal Way and Earle St. on Terminal Island in San Pedro. 3 Comment
  UCR192016  Erodium brachycarpum A. C. Sanders 2008-4-16 34912 Los Angeles Tehachapi Mtns. Foothills/ W Mojave Desert, west end of Antelope Valley, 0.3 mi. north of Hwy 138 on the east side of the cement plant road, 0.8 mi. E of Quail Lake 1020 Comment
  CAS-BOT-BC168145  Erodium cicutarium Timothy S. Ross; Steve Boyd 1994-5-4 7638 Los Angeles San Francisquito Canyon: Headwaters of the canyon, NE of Green Valley; ca 600 m SW of summit of grade; ca 2460 m ESE of Grass Mtn summit 1075 Comment
  UCR179683  Erodium cicutarium R. G. Swinney, Dave Larson 1996-8-7 5245 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
  UCR223412  Erodium cicutarium Dan S. Cooper 2010-4-23 410- 43 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  CAS-BOT-BC40721  Erysimum capitatum John Thomas Howell 1928-2-11 3345 Los Angeles Floor of Haines Canyon, San Gabriel Mountains. Comment
  SDSU2403  Erysimum capitatum A. H. Gallup 1949-3-16 332 Los Angeles The Wash , Claremont. 366 Comment
  UC50330  Erysimum capitatum H. M. Hall Apr. 1903 3744 Los Angeles Arroyo Seco Comment
  RSA0091093  Erysimum capitatum var. capitatum R. G. Swinney 2011-5-26 14868 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
  RSA600171  Erysimum capitatum var. capitatum Steve Boyd, Lauren Raz 1997-5-1 9663 Los Angeles Liebre Mountains Region: Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-southeast of Lincoln Crest, the head of Bouquet Canyon. 1463 Comment
  SBBG17337  Erysimum capitatum var. capitatum K. A. Wilson 1962-3-25 1256 Los Angeles Soledad Cyn, W of Bee Cyn, N of River's End Ranch. Comment
  SEINET14291734  Erythranthe guttata G. B. Grant, W. Wheeler 1904-1 789 6135 Los Angeles Santa Catalina Island, Pacific Ocean, off Southern California. Comment
  UC1126402  Eschscholzia californica P. L. Johannsen 1934-3-28 309 Los Angeles San Francisquito Canyon Santa Susana Quadrangle Comment
  UCR187004  Eschscholzia californica A. C. Sanders 2006-4-10 32009 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
  CAS-BOT-BC83103  Eschscholzia minutiflora H. L. Mason 1926-4-27 3043 Los Angeles Rock Creek. Comment
  CATA505  Eschscholzia ramosa Sara L. Crockett 1997-4-2 649 Los Angeles Santa Catalina Island: Point above Empire Landing Quarry site, 0.25 mile N of Empire Landing Road, from point 2.4 miles from jct. with Airport Road 240 Comment
  SBBG131974  Eschscholzia ramosa S. A. Junak, B. Collins 1991-4-24 SCI 155 Los Angeles upper part of Eel Pt grade 198 Comment
  RSA0010828  Eucalyptus A. C. Sanders, T. B. Salvato 2009-5-21 36890 Los Angeles Whittier Narrows near South El Monte, north of San Gabriel River channel and SE of Durfee Ave., west half of Whittier Narrows Nature Center along SCE powerlines 66 Comment
  RSA0010844  Eucalyptus camaldulensis Tim S. Ross, W. Appleby 1993-6-7 7366 Los Angeles W end of the San Gabriel Mtns: Draw draining SW from May Canyon Saddle. 1085 Comment
  RSA604201  Eucalyptus rudis Louis C. Wheeler 1972-5-25 s.n. Los Angeles Cobb Estate. Comment
  UC1204766  Eucalyptus sideroxylon Huron H. Smith 1912-3-16 4509 Los Angeles Santa Monica, State Eucalyptus Exp. Station 91 Comment
  RSA0073113  Eucrypta chrysanthemifolia var. chrysanthemifolia Mark L. Hoefs 1991-4-8 1053 Los Angeles Santa Catalina Island: Upper Avalon Canyon, below Wrigley Memorial, near drainage channel. 143 Comment
  RSA0110920  Euphorbia R. G. Swinney 2011-9-22 15671 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), c. 300 meters north of lodge along service rd. 1073 Comment
  RSA602210  Euphorbia helioscopia L. C. Wheeler 1945-6-10 6066 Los Angeles South El Monte: Between Rio Hondo and San Gabriel Rivers, between Repetto and Punte Hills. Siphon Road, 1/4 Mile east of Durfee Avenue. Comment
  RSA723217  Euphorbia lathyris LeRoy Gross, R. E. Riefner Jr. 2007-6-25 2827 Los Angeles Southeast side of the San Rafael Hills: Behind a power substation, near a small pond. At end of Wierfield Drive. 313 Comment
  CLARK-A1528-2701  Euphorbia maculata John C. Roos 1942-9-12 1756 Los Angeles Los Angeles Comment
  POM8700  Euphorbia melanadenia P. A. Munz, R. D. Harwood 1920-3-13 3288 Los Angeles San Jose Hills 5 mi. W. of Pomona. 305 Comment
  RSA762298  Euphorbia peplus Orlando Mistretta, Christine Mistretta 2008-5-6 2665 Los Angeles Southern California Edison transmission line corridor (Segment 11, Impact Areas 14, 15, 16 (Gould Subtation) per TRTP Survey 2008), in the vicinity of Arroyo Seco Canyon. 576 Comment
  SD245361  Euphorbia peplus Robert F. Thorne, J. Henrickson 1963-5-5 32274 Los Angeles Foothills of the San Gabriel Mts. Flat area near mouth of Cobal Canyon, few miles N. of Claremont. Comment
  UCR125785  Euphorbia serpens A. C. Sanders 2003-5-26 26836 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel 171 Comment
  UCR177750  Festuca arundinacea LeRoy Gross, N. Fraga, S. Williams 2002-7-17 554 Los Angeles Transverse Ranges: Verdugo Mountains Region, North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road 425 Comment
  SBBG56664  Festuca bromoides R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  SBBG98508  Festuca bromoides T. Ross 1991-5-21 5389 Los Angeles upper E branch of Box Cyn 472 Comment
  SBBG31428  Festuca microstachys R. F. Thorne 1967-5-18 Los Angeles Salta Verde, above Wild Boar Gully, Cercocarpus Arroyo 213 Comment
  SD234243  Festuca microstachys A. C. Sanders 2003-4-29 26183 Los Angeles Western San Gabriel Mtns.: Castiac Mesa, Newhall Ranch, north of Charlie Canyon and east of Lake Hughes Rd. (Newhall 7.5' Q) 395 Comment
  UCR177468  Festuca microstachys LeRoy Gross 2005-5-3 2236 Los Angeles Transverse Range; San Gabriel Mountains, west terminus of Holcomb Ridge, west of Big Rock Creek, along the east [and] NE side of hill. North of Fort Tejon Road, west of Valyermo Road [also T5N, R9W SW/4 sec. 31] 1215 Comment
  UCR270802  Festuca octoflora R. G. Swinney 2011-5-26 14871 A 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
  RSA0053873  Festuca perennis R. G. Swinney 2010-5-11 12626 Los Angeles San Gabriel Mountains: Acton 0.7 road miles SE of jct. of Soledad Canyon Rd. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 Comment
  UCR267282  Ficus microcarpa R. E. Riefner Jr. 2015-7-19 15- 203 Los Angeles City of Carson, Dominguez Channel at Figueroa St., on south bank of channel 7 Comment
  RSA592835  Filago californica L. C. Wheeler 1967-4-30 9214 Los Angeles Liebre Mountains. Northwest end of foothills (of San Gabriel Mountains) between Bouquet Junction and Bonelli Ranch. 396 Comment
  RSA713791  Filago californica A. C. Sanders, Helen Kennedy 2005-4-13 29417 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  UCR42567  Filago californica L. F. LaPre, T. W. Mulroy 1986-4-7 s.n. Los Angeles San Gabriel Valley, City of Irwindale, near junction of Foothill Blvd & Irwindale Ave., between gravel pit and the San Gabriel River channel 168 Comment
  RSA188130  Filago depressa R. F. Thorne 1966-4-30 36356 Los Angeles Santa Catalina Island; Grassy slope above Gallagher's Canyon 427 Comment
  UCR194727  Filago gallica Valerie Soza, Laura Moore 2000-5-10 830 Los Angeles Transverse Ranges: Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive at fire gate to powerlines 595 Comment
  RSA710726  Foeniculum vulgare Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1346 Los Angeles La Tuna Canyon, along La Tuna Canyon Road. 427 Comment
  CAS-BOT-BC52537  Frangula californica subsp. californica Steve Boyd; Amber Maurice 2004-5-18 11309 Los Angeles Transverse Ranges; Liebre Mountains region: Atmore Meadows area Comment
  POM158276  Frankenia grandifolia M. B. Dunkle 1928-5-12 1923 Los Angeles Santa Catalina Island: Empire Landing 61 Comment
  RSA391395  Frankenia grandifolia H. E. Hasse 1889-7-30 s.n. Los Angeles Near Los Angeles Comment
  RSA529135  Frasera neglecta Tim S. Ross 1991-7-24 5613 Los Angeles San Gabriel Mountains, Granite Mountain: NNE slope 1915 Comment
  RSA0048451  Fraxinus dipetala Elwood Fordham 1951-4-21 s.n. Los Angeles Topanga, 350 feet up Canyon trail from Junction Topanga Highway 6.2 mi. from ocean. 274 Comment
  SBBG126989  Fraxinus latifolia A. Parikh, N. Gale 2011-7-10 3551 Los Angeles West Fork San Gabriel River, 1.1 km W of St Hwy 39; San Gabriel Mtns 502 Comment
  UCR270539  Fraxinus pennsylvanica subsp. velutina R. G. Swinney 2011-11-1 15949 Los Angeles San Gabriel Mountains, confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 671 Comment
  RSA527716  Fraxinus uhdei Tim S. Ross 1991-3-7 4159 Los Angeles Elephant hill, Western Pomona. 238 Comment
  CAS-BOT-BC211009  Fraxinus velutina Geo. B. Grant 1902-6-1 472 Los Angeles Unspecified Comment
  SEINET10500242  Fraxinus velutina var. coriacea Shutlz 1981-4-11 SHUTLZ 4938 Los Angeles Cultivated native plants, Rancho Santa ana Botanic Garden. 300 Comment
  SEINET6646745  Fremontodendron californicum W. D. Billings 1951-6-18 2104 Los Angeles Tanbark Flat, San Dimas Exp. Forest, San Gabriel Range 823 Comment
  RSA719125  Funastrum cynanchoides var. hartwegii Naomi Fraga 2002-4-28 75 Los Angeles San Jose Hills; California State Polytechnic University, Pomona. Voorhis Ecological Reserve. S slope of Box Canyon. Comment
  RSA592280  Galium andrewsii subsp. intermedium Louis C. Wheeler 1967-5-9 9403 Los Angeles Gleason Canyon, south of Aliso Canyon. 1006 Comment
  RSA652845  Galium angustifolium Roxanne Smith 1991-5-12 23 Los Angeles Hills about 0.6 mile south-east of Golden Springs and Diamond Bar Blvd. Comment
  RSA763112  Galium angustifolium R. G. Swinney 2008-8-13 9399 Los Angeles Big Rock Creek, 1.0 mi. east of Fenner Canyon. 1793 Comment
  UCR146492  Galium angustifolium Scott D. White 2004-7-27 10630 Los Angeles San Gabriel Mountains, Clear Creek area; roadside and hiking trail south side of Angeles Forest Hwy, c. 0.2 mi west of jct. with Angeles Crest Hwy; Condor Peak 1067 Comment
  UCR205241  Galium angustifolium R. G. Swinney 2005-8-11 8446 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR213459  Galium angustifolium A. C. Sanders, Karen Kirtland 2010-5-14 38355 Los Angeles South Coast, Palos Verdes Peninsula, San Ramon Canyon in city of Rancho Palos Verdes, near Los Angeles city boundary 201 Comment
  SBBG119054  Galium angustifolium subsp. angustifolium M. Honer 2004-6-22 2025 Los Angeles San Antonio Cyn, along Mt Baldy Rd between Spruce Cyn and "Hog Back"; T2N R8W S36 Comment
  UC575026  Galium angustifolium subsp. angustifolium E. Lloyd 1933-5-5 Los Angeles Topanga Canyon Santa Monica Mts. Comment
  SD132611  Galium aparine M. B. Dunkle 1939-4-3 7220 Los Angeles Chenetti Canyon, San Clemente Island Comment
  POM367748  Galium aparine D. A. Young 1969-3-10 P 385 Los Angeles 1/2 mi. from gate 6 of Puddingstone State Park off of san Dimas Ave., in a canyon 300 yds. NW of the road. 305 Comment
  RSA527773  Galium aparine Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-4-8 4338 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  CATA652  Galium catalinense Mark L. Hoefs 1991-4-18 1137 Los Angeles Santa Catalina Island: Near road above Howlands Landing 70 Comment
  UC28208  Galium catalinense Blanche Trask Apr. 1896 Los Angeles Avalon Santa Catalina Island Comment
  UCR143197  Galium catalinense F. R. Fosberg 1931-3-27 S- 4418 Los Angeles Channel Islands, Pebble Beach Road, Santa Catalina Island 50 Comment
  POM11689  Galium catalinense subsp. catalinense F. M. Reed 1909-7-2 2801 Los Angeles Pebbly Beach Road, Santa Catalina Island Comment
  RSA202668  Galium grande Lauramay T. Dempster, G. Ledyard Stebbins 1964-1-26 3975 Los Angeles Hillside above Chantry's Flat, San Gabriel Mountains. Altitude ca. 2200 feet. 671 Comment
  RSA523449  Galium hallii Lauramay T. Dempster, Clare B. Hardham 1965-6-16 4125 Los Angeles San Gabriel Mountains: Angeles Crest Highway, Vincent Gulch Divide, 6585 feet. 2008 Comment
  RSA771650  Galium johnstonii R. G. Swinney 2009-5-20 10801 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge. 1433 Comment
  RSA454409  Galium nuttallii Bonnie C. Templeton 1939-6-23 s.n. Los Angeles Huntington Palisades, Santa Monica Mountains. Comment
  LA51406  Galium nuttallii subsp. nuttallii Peter H. Raven; 1960-5-15 15367 Los Angeles SANTA MONICA MOUNTAINS, Piuma Road 2.7 mi. W of Rambla Pacifica. 426 Comment
  RSA702360  Galium porrigens Scott D. White, Pam De Vries 2004-6-14 10499 -A Los Angeles Eastern Santa Susana Mountains. West of the I-5 Freeway, ca. 4 mi N of I-5 / SH-14 jtn and 6 mi S of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  RSA650904  Gambelia speciosa Reid V. Moran, R. M. Beauchamp, T. Oberbauer 1975-8-23 22684 Los Angeles San Clemente Island: west fork of Red Rock Canyon. 280 Comment
  RSA597563  Garrya flavescens Tim S. Ross 1990-6-22 3756 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone. 1707 Comment
  UC1122644  Garrya flavescens G. T. Nordstrom 1935-1-25 315 Los Angeles 1 mi ssw of entrance Peace Valley; Santa Barbara National Forest, Tejon Quad. 914 Comment
  RSA603317  Garrya veatchii Scott D. White 1997-5-21 5196 Los Angeles San Gabriel River Canyon: N of Azusa; parallel to Highway 39; canyon bottom and adjacent slopes along unnamed dirt access road to gauging station below Morris Dam. 244 Comment
  UCR143374  Garrya veatchii L. C. Wheeler 1931-12-30 424 Los Angeles San Gabriel Mtns, San Antonio Wash 671 Comment
  RSA72220  Gaura sinuata F. W. Peirson 1920-6-13 2160 Los Angeles Altadena, at northwest corner of N.Y. Ave. and Maiden Lane. Comment
  RSA0103799  Gayophytum diffusum subsp. diffusum R. G. Swinney 2011-6-14 15110 Los Angeles San Gabriel Mountains: Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  RSA0097184  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-6-1 14961 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.1-0.3 mile east-southeast of Colby Lodge, along Camp Colby Trail, toward FS Rd 12W052, southeast of Coldwater Canyon headwaters 1061 Comment
  SEINET13203144 Image available Gayophytum heterozygum R. G. Swinney 2008-1 9050 Los Angeles San Gabirel Mountains: ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26 (Valyermo 7.5' Q.) 2160 Comment
  CAS-BOT-BC208032  Genista monspessulana Alice Eastwood 1917-7-20 s.n. Los Angeles Santa Catalina Island Comment
  RSA230740  Geranium californicum Robert F. Thorne, M. Z. Thorne 1969-7-9 38533 Los Angeles Angeles National Forest; Upper part of large sloping meadow at Big Pines. 2088 Comment
  UC311255  Gilia achilleifolia subsp. achilleifolia Philip A. Munz 1926-4-4 10017 Los Angeles 2 mi n Saugus; n of Saugus Comment
  RSA757333  Gilia aliquanta subsp. aliquanta Orlando Mistretta, Christine Mistretta 2008-4-3 2272 Los Angeles Transverse Ranges; Liebre Mountains region: Southern California Edison transmission line tower (Segment 5, Structure 62, per TRTP survey 2008) just North of State Hwy 14 in the vicinity of Soledad Pass. Comment
  UC1123799  Gilia angelensis A. D. Gifford 1935-3-15 472 Los Angeles 2 1/2 mi sw Red Mtn.; Tejon Quad., Angeles National Forest, sw of Red Mtn. Comment
  POM156660  Gilia angelensis L. R. Abrams 1903-4-10 3245 Los Angeles Grassy hills, near Inglewood Comment
  RSA526588  Gilia angelensis T. S. Ross 1991-3-24 4292 Los Angeles Whittier Hills (Puente Hills, pro parte): Ridge and steep westerly slope above small canyon that drains northward to Turnbull Canyon from NW side of Workman Hill. 360 Comment
  RSA624060  Gilia australis L. C. Wheeler 1967-5-23 9690 Los Angeles Near mouth of Bear Canyon, off Soledad Canyon. 579 Comment
  RSA86581  Gilia brecciarum subsp. brecciarum Verne Grant, Alva Grant 1954-4-19 19594 Los Angeles On Hwy 138 4.5 miles W of Big Pines jct. Near Los Angeles-San Bernardino County line. 1220 Comment
  UCR155588  Gilia capitata subsp. abrotanifolia A. C. Sanders, Helen Kennedy 2005-4-13 29448 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA756125  Gilia latiflora subsp. cuyamensis Orlando Mistretta, Christine Mistretta 2008-4-30 2569 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 19 per TRTP survey, 2008), in the vicinity of Ritter Ridge, S side of Antelope Valley. 1034 Comment
  RSA339276  Gilia latiflora subsp. davyi R. F. Thorne, W. Wisura, S. Granger, Pamela Burton 1982-4-20 54973 Los Angeles 1/4-1/2 mile north of Bob's Gap, north slope of Holcomb Ridge, about 2.5 miles due south of Llano. 1159 Comment
  RSA86545  Gilia latiflora subsp. latiflora Verne Grant, Alva Grant 1954-4-19 9323 Los Angeles Several miles west of Desert Springs. 1159 Comment
  RSA11031  Gilia modocensis C. B. Wolf 1928-3-29 1597 Los Angeles Castaic; South base of Ridge Route road 396 Comment
  RSA527660  Gilia nevinii Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4381 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  RSA0115689  Gilia ochroleuca subsp. bizonata A. C. Sanders 2006-4-21 32124 Los Angeles Tehachapi Mtns. Foothills: hills c. 1.25 miles ENE of Quail Lake, east of the Clement Plant Rd. and Calif. Aqueduct, N of Hwy 138. 982 Comment
  UCR193162  Gilia ochroleuca subsp. bizonata R. G. Swinney 1998-7-14 6437 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, 0.2-0.3 mi. west of Camp Lupine trail 2247 Comment
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May 3 2012
  JEPS14053  Gilia ochroleuca subsp. vivida Rimo Bacigalupi with Leroy Custer 1952-8-9 3907 Los Angeles s of and above Swartout Valley; San Gabriel Mountains, Blue Ridge 2255 Comment
  JEPS69711  Gilia splendens subsp. splendens Mrs. Edwin S. Fuller July 1933 Los Angeles Inglewood 1584 Comment
  UCR178166  Githopsis diffusa subsp. diffusa LeRoy Gross, B. Hogshead, Valerie Soza 2003-5-29 947 Los Angeles Transverse Ranges; Verdugo Mountains, West end of the mtns at junction (saddle) of Verdugo motorway and Wildwood Fire Road. Small draw NE of saddle, and canyon to the east of the main fire road on the crest of the ridge (Verdugo Mortorway) 564 Comment
  RSA100228  Githopsis diffusa subsp. diffusa F. W. Peirson 1921-6-13 1208 Los Angeles Big Santa Anita Canyon Trail, about 1.5 miles below Sturdevants. 1067 Comment
  UC15278  Glycyrrhiza lepidota J. H. Barber 1897-6-25 177 Los Angeles Soledad Canyon Comment
  RSA0105008  Gnaphalium californicum R. G. Swinney 2011-4-26 14516 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
  UCR149780  Gnaphalium californicum Scott D. White, Pam Devries 2004-6-14 10500 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
  UCR223133  Gnaphalium canescens subsp. beneolens R. G. Swinney 2009-7-22 11350 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  POM244226  Gnaphalium chilense F. R. Fosberg 1931-3-23 4338 Los Angeles Hamilton Canyon, Santa Catalina Island. 15 Comment
  SFV4895  Gnaphalium palustre M. H. Grayum 1971-5-3 s. n. Los Angeles Santa Monica Mountains Tapia Park. In small, dry wash. 152 Comment
  RSA547457  Gnaphalium stramineum Timothy S. Ross, Orlando Mistretta 1992-7-24 6748 Los Angeles E side of Strawberry Peak near divide between Colby and Wickiup Canyons; 120 deg. SE, 1065 m distant from Strawberry Peak summit. 1561 Comment
  CAS-BOT-BC110273  Grayia spinosa Eugene Wells 1910-3-18 s.n. Los Angeles Lancaster, Antelope Valley. Comment
  LA51489  Guillenia lasiophylla O. H. Kappler; 1944-4-2 576 Los Angeles Santa Monica Mountains, Monte Nido, Cold Creek; road from Cold Creek to Las Flores Canyon 365 Comment
  RSA430026  Guillenia lasiophylla Donald R. Bissing 1973-6-2 142 Los Angeles Evey Canyon on road bank 0.3 mile from canyon mouth 720 Comment
  CHSC62037  Gutierrezia californica L. P. Janeway 1993-10-5 4610 Los Angeles Puente Hills; at the head of Arroyo San Miguel. On dirt road and drilling pad. 228 Comment
  UCSB69525  Gutierrezia californica Gross, LeRoy; Soza, Valerie; Tessel, Samantha 2001-6-4 Los Angeles Los Angeles Basin: Vedugo Mountains Region: Northwest side, just north of Ledge Ave & Tuxford St. (dead end), west of McDonald Creek; city of Sun Valley; on ridge that runs to mouth of McDonald Creek, west side of creek, but short distance from main crest 366 Comment
  CAS-BOT-BC304625  Gutierrezia californica Bunch 1974-8-16 0522 Los Angeles West of Archery Range - Castaic Comment
  JEPS18984  Gutierrezia sarothrae Frank W. Peirson 1918-10-16 277 Los Angeles entrance to canyon Pacoima Canyon; San Gabriel Mountains, Pacoima Canyon 457 Comment
  RSA305940  Gutierrezia sarothrae Fay A. MacFadden 1933-06 s.n. Los Angeles Tujunga Wash, Roscoe. Comment
  POM206069  Hainardia cylindrica Le Roy Abrams 1902-6-20 2567 Los Angeles Ballona marshes near Mesmer. Comment
  RSA0112058  Harpagonella palmeri Steven A. Junak 2000-4-15 SCa- 1219 Los Angeles Santa Catalina Island. E of Lone Tree, at head of canyon, next to top of S-facing bluffs. 445 Comment
  CAS-BOT-BC307292  Hazardia squarrosa var. grindelioides Prof. W. R. Dudley 1907-11-21 s.n. Los Angeles Near Monrovia Comment
  POM182396  Hazardia squarrosa var. grindelioides J. Ewan 1931-10-24 5294 Los Angeles Escondido Canyon, Santa Monica Mts. 305 Comment
  UC1118876  Hazardia squarrosa var. grindelioides Jerome S. Horton 1939-9-29 247 Los Angeles divide between East Fork San Dimas Canyon and San Gabriel Canyon (4350 Climactic Station, San Gabriel Divide); Cucamonga Quadrangle Comment
  UC134292  Hazardia squarrosa var. grindelioides C. F. Baker 1903-10-10 3732 Los Angeles near Claremont; San Antonio Canyon Comment
  SEINET10454454  Hedera helix Jon Ricketson, Heidi H. Schmidt 1992-10-19 Ricketson 4769 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Gardens, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  UCR95581  Helenium bigelovii L. C. Wheeler 1966-9-21 8909 Los Angeles San Gabriel Mtns., south fork of Big Rock Creek in the vicinity of Lily Spring 2378 Comment
  HSC4536  Helianthemum scoparium David Porter 1965-4-27 Los Angeles 1/2 mi. N of Topanga Canyon Blvd., Topanga Canyon, Santa Monica Mtns. 412 Comment
  UCR258894  Helianthemum scoparium R. G. Swinney 2010-4-30 12467 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, ridgetop south of the southern of the two eastern forks of Wilson Cyn., 0.45 miles east of Wilson Debris Basin along old motorway 549 Comment
  POM177952  Helianthemum scoparium var. vulgare J. Ewan 1931-3-21 4065 Los Angeles End of road, Los Flores Canyon, Santa Monica Mts. 549 Comment
  CAS-BOT-BC305418  Helianthus annuus Le Roy Abrams; E. A. McGregor 1908-7-5 682 Los Angeles Lone Pine Canyon, desert slopes of the San Gabriel Mountains 1066 Comment
  RSA0055996  Helianthus annuus Richard G. Swinney 2010-3-16 11938 Los Angeles San Gabriel Mountains/Verdugo Mountains: confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  UC1746080  Helianthus annuus Annetta M. Carter 1946-4-23 1758 Los Angeles Sierra Madre. Crest of first hill on Mt. Wilson Trail. 365 Comment
  RSA92422  Helianthus gracilentus F. W. Peirson 1919-7-3 512 Los Angeles San Gabriel Mts: on Lukens Peak trail. 1220 Comment
  SD253392  Hemizonella minima R. G. Swinney 2011-6-7 15043 Los Angeles San Gabriel Mts.: Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road (Chilao Flat 7.5'Q) 1584 Comment
  RSA360333  Hemizonia australis Anstruther Davidson 1892-09 2027 Los Angeles E. Los Angeles. Comment
  RSA251378  Hemizonia clementina R. F. Thorne 1996-4-17 36095 Los Angeles San Clemente Island: Top of bluff near Duty Office, Wilsons Cove. NE end of island. 30 Comment
  RSA360234  Hemizonia clementina M. B. Dunkle 1939-4-5 7277 Los Angeles Pyramid Cove, San Clemente Island. Comment
  RSA696926  Hemizonia fasciculata J. Vlahos 1935-6-27 s.n. Los Angeles Santa Catalina Island, Isthmus. Comment
  SEINET4044548 Image available Hemizonia fasciculata D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 121 Comment
  UCR153957  Hemizonia fasciculata A. C. Sanders 2005-5-11 30153 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
  UCR209684  Hemizonia fasciculata Dan S. Cooper 2009-7-22 709- 37 Los Angeles Eastern Santa Monica Mtns., Los Angeles, Griffith Park, base of Fern Canyon 159 Comment
  RSA182736  Hemizonia fasciculata J. Massey 1966-4-22 1229 Los Angeles 1 1/2 mi NW of HWY 14 on Escondido Canyon Road 945 Comment
  UCR88686  Hemizonia minthornii Scott D. White 1995-10-11 3694 Los Angeles Santa Susana Mtns., Santa Susana Pass Rd., turnout at unnamed dirt rd., c. 1/2 mi east of Lilac Ln. Comment
  RSA95065  Hemizonia pungens F. W. Peirson 1919-8-30 1351 Los Angeles Desert between Mojave and Lancaster. Comment
  UCR129502  Herniaria hirsuta subsp. cinerea A. C. Sanders, Mark Elvin 2002-6-20 25223 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  UCR238621  Herniaria hirsuta var. cinerea Anuja Parikh, Nathan Gale 2010-5-11 3150 Los Angeles Western Mojave Desert, Antelope Valley, 1.3 km south of Hwy 138, 0.2 km N of Ave. E, 0.4 km west of powerlines 786 Comment
  CAS-BOT-BC403834  Hesperocnide tenella Geo. B. Grant 1904-5-26 s.n. Los Angeles Pasadena Comment
  CAS-BOT-BC135901  Hesperoyucca whipplei Dr. Barton W. Evermann 1916-5-15 s.n. Los Angeles Newhall Comment
  UCR96605  Heteromeles arbutifolia Scott D. White 1997-2-2 4657 Los Angeles San Dimas/Pomona area: Bonelli Regional Park, Just NW of Puddingstone Reservoir, south of San Dimas Ave, and east of the I-210 Freeway 305 Comment
  SD52900  Heteromeles arbutifolia var. macrocarpa Peter H. Raven 1962-7-10 17985 Los Angeles San Clemente Island: Canyon below Lemon Tank 244 Comment
  RSA0074433  Heterotheca grandiflora S. Koukol, E. Lutz 1998-4-26 22 Los Angeles Claremont, along E side of Indian Hill Blvd., 50 m S of Baseline Road. 421 Comment
  RSA0075645  Heterotheca grandiflora F. W. Peirson 1918-10-15 281 Los Angeles Foot of Echo Mountain Trail, south base of San Gabriel Mts. 548 Comment
  UCR206517  Heterotheca sessiliflora A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36947 Los Angeles San Gabriel Valley, Baldwin Park, San Gabriel River channel south of Ramona Blvd. and north of I-10 Fwy, under SCE powerlines 91 Comment
  RSA93363  Heterotheca sessiliflora subsp. fastigiata F. W. Peirson 1921-10-9 4735 Los Angeles Delta Canyon, tributary to Tujunga Creek, west end of San Gabriel Mountains. 915 Comment
  CAS-BOT-BC48165  Heuchera elegans Antone Blazic 1921-6-1 s.n. Los Angeles Mt. Wilson Comment
  CAS-BOT-BC48168  Heuchera elegans Mrs. Joseph Clemens 1922-5-30 s.n. Los Angeles Mt. Lowe Comment
  RSA0087289  Heuchera elegans Wayne E. Sawyer 1981-6-16 45 Los Angeles San Gabriel Mountains, Angeles National Forest: CA Highway 2 between Dawson Saddle and junction of CA Highway 39, 3.25 miles from Dawson Saddle. 2210 Comment
  UCR194307  Hieracium argutum var. parishii R. G. Swinney 1998-8-6 6675 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 Comment
  RSA660781  Hirschfeldia incana J. Doughty 1985-5-19 195 Los Angeles Angeles National Forest, Graveyard Canyon, junction of San Gabriel Road and entrance to Follows Camp. Comment
  CAS-BOT-BC207472  Hoffmannseggia glauca Dave McNally 1960-5-17 9 Los Angeles Glendale mountains 121 Comment
  LA33817  Hoita macrostachya Peter H. Raven; 1959-10-25 14691 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, 1.6 mi N of the Coast Hwy. 137 Comment
  UC16301  Hoita macrostachya J. H. Barber 1897-9-14 15 Los Angeles Santa Monica Expt. Station Comment
  LA200818  Holodiscus discolor Jonathan Sauer; H. N. Sauer 1979-6-15 4822 Los Angeles SANTA MONICA MOUNTAINS, upper Rustic Canyon Comment
  UCSB41308  Holodiscus discolor var. microphyllus Miller, Brian 1960-7-7 Los Angeles Dawson Saddle, San Gabriel Mountains 2377 Comment
  RSA617228  Holodiscus microphyllus LeRoy Gross 1998-8-22 46 Los Angeles Top of Mt. Baden-Powell. 2866 Comment
  SBBG132299  Hordeum S. A. Junak, B. Collins 1991-4-25 SCI- 229 Los Angeles overlooking E side of island, Triangulation Point "Jack" 274 Comment
  UCD85887  Hordeum marinum subsp. gussoneanum Peter H. Raven; Robert F. Thorne 1964-5-7 19031 Los Angeles Santa Monica Mountains. Saddle Rock Ranch, near Seminole Hot Springs. Comment
  PASA640  Hordeum murinum Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  CATA720  Hordeum murinum subsp. glaucum Mark L. Hoefs 1991-5-18 1227 Los Angeles Santa Catalina Island: Middle Canyon 268 Comment
  RSA123446  Hordeum murinum subsp. glaucum H. A. Jensen 1933-5-15 297 Los Angeles Pallett Creek. 1128 Comment
  RSA591974  Hordeum murinum subsp. leporinum Mark Hoefs, Doug Propst 1974-5-10 460 Los Angeles Catalina Island. Ridge between Cottonwood and Sweet Water Canyons 61 Comment
  RSA594567  Hordeum murinum subsp. leporinum L. C. Wheeler 1967-7-30 10280 Los Angeles San Gabriel Mountains. Trail Canyon, Tom Lucas campground. 944 Comment
  RSA639969  Hordeum murinum subsp. leporinum L. C. Wheeler 1967-5-29 9767 Los Angeles San Antonio Canyon, southwest of Spring Hill, between Dry Lake Canyon and Wildcat [Cat] Canyon. 884 Comment
  POM590  Horkelia cuneata subsp. puberula I. M. Johnston 1918-5-1 1892 Los Angeles San Antonio Canyon Wash between Upland and Claremont 366 Comment
  UCD169682  Hosackia crassifolia var. crassifolia Louis C. Wheeler 1967-9-29 s.n. Los Angeles San Gabriel Mountains: Ridge 1/2 mile WNW Pine Mt. 1249 Comment
  CAS-BOT-BC312602  Hulsea vestita subsp. gabrielensis Timothy S. Ross; Steve Boyd 1990-5-23 2608 Los Angeles San Gabriel Mountains. Mt Gleason Area: north-northwesterly ridge descending from Messenger Peak (6015 ft), near the headwaters of Mill Canyon and Moody Canyon 1798 Comment
  RSA776849  Hulsea vestita subsp. gabrielensis Orlando Mistretta, Christine Mistretta 2010-6-10 5302 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
  CAS-BOT-BC273560  Hyparrhenia hirta Louis C. Wheeler 1947-6-15 6527 Los Angeles Altadena: Canyon Crest Drive and Lincoln Ave. Comment
  SEINET3147766  Hypochaeris glabra G. B. Grant 1905-4-19 sn Los Angeles Garvanza Comment
  UCR273192  Hypochaeris glabra R. G. Swinney 2011-4-26 14474 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
  CSUSB28  Iris douglasiana Virginia M. Bolton 1966-5-4 Los Angeles Foothills below Mount Baldy. Comment
  CAS-BOT-BC311531  Isocoma acradenia var. acradenia Ernest C. Twisselmann 1970-9-8 17500 Los Angeles Antelope Valley: Avenue A at 50th Street West 731 Comment
  CATA1390  Isocoma menziesii Mark L. Hoefs, Steven A. Junak, Allan Fone 1995-11-8 2525 Los Angeles Santa Catalina Island: By Haypress Reservoir 414 Comment
  UC32930  Isocoma menziesii var. vernonioides J. H. Barber 1897-9-16 283 Los Angeles Santa Monica Experimental Station Comment
  SEINET11839632  Iva axillaris R. F. Thorne, Tilforth, C. W.; Nilsson, S. 1972-1 42188 Los Angeles San Gabriel Mts., Angeles NF, Caldwell Lake near Valyermo (sag pond on San Andreas Fault) 1570 Comment
  UCR209526  Ivesia santolinoides R. G. Swinney 2008-7-3 9161 Los Angeles San Gabriel Mtns., Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2345 Comment
  RSA771954  Jepsonia malvifolia R. F. Thorne 1968-2-25 37913 Los Angeles Cherry Valley, Santa Catalina Island. Comment
  RSA19622  Juglans californica Fay A. MacFadden 1931-3-15 2597 Los Angeles Verdugo Mountains: Tuna Canyon 335 Comment
  UCR258880  Juglans californica R. G. Swinney 2010-8-16 13531 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  SFV6195  Juglans californica var. californica R. M. Muran 1974-3-26 50 Los Angeles Santa Monica Mountains Mandeville Canyon area. 427 Comment
  RSA0011160  Juglans californica var. californica Scott D. White, Justin M. Wood 2008-5-6 11937 Los Angeles Puente / Chino Hills: Chino Hills, NW of Carbon Canyon Rd. and SE of Tonner Canyon, on SCE powerline corridor (SE corner of county). 213 Comment
  UCR223214  Juncus R. G. Swinney 2009-5-27 10890 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  UCR126701  Juncus acutus A. C. Sanders, Mark Elvin 2003-8-7 27179 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  CATA1086  Juncus acutus subsp. leopoldii Mark L. Hoefs 1995-5-16 2036 Los Angeles Santa Catalina Island: Big Springs Canyon, near road to Two Harbors 103 Comment
  UCR125963  Juncus balticus A. C. Sanders, Mark Elvin 2002-6-19 25152 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  UCR270066  Juncus balticus R. G. Swinney 2010-5-12 12721 Los Angeles San Gabriel Mountains, Barrell Springs Road at jct. with 42nd St. East, on SW side of road from 30 to 150 meters west of 42nd, NE side of Palmdale Ditch, San Andreas Rift Zone 921 Comment
  RSA755831  Juncus balticus subsp. ater R. G. Swinney 2008-10-7 9489 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak 1622 Comment
  UCR275338  Juncus bufonius Jeremiah George 2011-6-5 s.n. Los Angeles South Coast, Torrance, behind (east of) Bishop Montgomery High School, south of Torrance Blvd. and west of Palos Verdes Blvd. 21 Comment
  UC1106405  Juncus covillei var. obtusatus Peter Kamb Jun 1947 622 Los Angeles Little Jimmy Spring San Gabriel Mts. 2286 Comment
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Jun 11 2015
  RSA226074  Juncus macrophyllus Robert F. Thorne, C. W. Tilforth 1971-6-17 39943 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  RSA228886  Juncus macrophyllus Robert F. Thorne 1971-8-25 41317 Los Angeles San Gabriel Mountains, Angeles National Forest: near Windy Spring on N slope of Mt. Islip 2256 Comment
  RSA547482  Juncus macrophyllus Timothy S. Ross, Orlando Mistretta 1992-7-24 6773 Los Angeles Vicinity of Strawberry Spring, 76 deg. ENE, 900 m distant from Strawberry Peak summit 1460 Comment
  UCR270264  Juncus macrophyllus R. G. Swinney 2011-10-10 15721 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
  UC142120  Juncus macrophyllus C. F. Baker 1903-9-20 3695 Los Angeles hills near Claremont Comment
  RSA368091  Juncus mexicanus Soil Conservation Service 1956-07 s.n. Los Angeles Along highway between Lancaster and Rosamond, Antelope Valley. Comment
  RSA368230  Juncus mexicanus Ralph Hoffmann 1930-4-28 2335 Los Angeles Lancaster Comment
  RSA715748  Juncus oxymeris Scott D. White, Andrea Warniment 2006-7-6 11609 Los Angeles Gorman area, sag ponds and adj. slopes just N of Gorman Post Rd. 1113 Comment
  RSA158207  Juncus patens Peter H. Raven 1962-5-9 17685 Los Angeles San Clemente Island: near head of canyon above Mosquito Cove 259 Comment
  RSA802565  Juncus rugulosus Orlando Mistretta, Christine Mistretta 2011-7-6 5902 Los Angeles Fall Creek Canyon; tributary of N Fork Mill Creek, along Forest Road 3N27. 1239 Comment
  RSA589070  Juncus tiehmii Orlando Mistretta 1994-6-6 1335 Los Angeles San Gabriel Mountains: Little Rock Creek, Slopes on E side of canyon S of junction of Forest Service roads 4N15 and 5N04.3 1220 Comment
  CAS-BOT-BC80992  Juniperus californica Louis C. Wheeler 1931-11-20 363 Los Angeles San Gabriel Wash 152 Comment
  LA29284  Juniperus californica Mary V. Hood; 1941-3-16 41- 17 k* Los Angeles Near Valyermo 1280 Comment
  UC284977  Juniperus californica P. A. Munz 1923-5-27 6892 Los Angeles Pallett Creek San Gabriel Mts. Comment
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Mar 29 2014
  UCR181519  Juniperus californica R. G. Swinney 1994-6-12 2941 Los Angeles North Slope of Eastern San Gabriel Mtns, Pinon Hills, near entrance to Jubilee Scout Ranch, 2 mi south of Hwy 138 and just west of the San Bernardino Co. line, c. 200 m west of Boneyard Canyon 1341 Comment
  OBI35686  Keckiella cordifolia Rebecca Cicoria 1982-4-25 53 Los Angeles Palos Verdes Peninsula: Lower Agua Magna Cyn, Rollig Hills Comment
  RSA401691  Keckiella cordifolia E. S. Spalding 1923-5-30 s.n. Los Angeles Sierra Madre Canyon. Comment
  RSA724656  Keckiella cordifolia K. Dobry 1991-6-24 d- 739 Los Angeles At Soka Univ. Santa Monica Mts. Las Virgenes and Mulholland Hwy. Comment
  POM113280  Koeleria macrantha George B. Grant 1906-6-18 6904 Los Angeles Summit, Mount Wilson 1829 Comment
  POM206581  Koeleria macrantha Le Roy Abrams 1901-04 1219 Los Angeles Ballona Harbor Comment
  RSA612157  Koeleria macrantha L. C. Wheeler 1932-7-2 913 Los Angeles Brown's Flat 1311 Comment
  OBI39743  Krascheninnikovia lanata David J. Keil, V. L. Holand and Dirk Walters 1977-5-8 12318 Los Angeles Just outside of Saddleback Butte State Park Comment
  SBBG49899  Krascheninnikovia lanata L. S. Matlovsky 1975-3-27 DM- 1114 Los Angeles West Avenue S, near Palmdale Lake, Anaverde Valley Comment
  UC1136410  Krascheninnikovia lanata G. T. Nordstrom 1935-1-25 320 Los Angeles 2 1/2 mi. s.-s.e. Gorman; Tejon Quad. 1005 Comment
  RSA697055  Lagophylla ramosissima subsp. ramosissima LeRoy Gross, P. Morton 2004-6-9 1365 Los Angeles 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.) 1642 Comment
  CATA3420  Lamarckia aurea Jaimie Choi, Julia Parish, Olivia Reda, Tobias Nickel, Stuart Olshevski 2017-3-31 001 Los Angeles Santa Catalina Island: Interior; Roadside, northeast of Middle Ranch reservoir 234 Comment
  RSA596837  Lamarckia aurea Timothy S. Ross, J. Mark Porter 1995-5-4 8481 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  SBBG13817  Lamarckia aurea M. A. Piehl 1962-10-3 62483 Los Angeles above S fork of Gallagher Cyn 396 Comment
  RSA82557  Lamium amplexicaule Raymond J. Dobbs 1927-3-21 7260 Los Angeles Michilinda. Comment
  CAS-BOT-BC339112  Lasthenia californica Dr. Barton W. Evermann 1918-3-1 s.n. Los Angeles Santa Barbara Isl. Comment
  SD107823  Lasthenia californica Larry DeBuhr 1977-4-16 2575 Los Angeles Santa Catalina Island; northwest side of Black Jack, along road to White's Landing. Comment
  CAS-BOT-BC338133  Lasthenia californica D. W. Kyhos 1962-3-25 62 -50 Los Angeles Point Dume Comment
  POM361503  Lasthenia californica Thekla Mohr 1911-07 s.n. Los Angeles [Unspecified] Comment
  CAS-BOT-BC352907  Lasthenia coronaria F. B. C. 1903-8-15 4091 Los Angeles Claremont Comment
  UC1614261  Lasthenia gracilis Charles M. Belshaw 1935-3-29 504 Los Angeles ca. 20 mi. w. Lancaster (on s. face of La Liebre Scarp, W. Antelope Valley); W. Antelope Valley, La Liebre Scarp Comment
  UCD133831  Lasthenia gracilis Kenneth A. Wilson 1961-4-10 1143 Los Angeles Santa Susana Mountains. Southern arm of Bee Canyon-Mission Point (or Peak) area. 762 Comment
  POM361495  Lasthenia gracilis Christopher Davidson 1973-4-7 1881 Los Angeles Lucerne Valley, 33 miles from Apple Valley. 854 Comment
  RSA586000  Lasthenia gracilis Adree M. Desrochers 1990-4-19 473 Los Angeles Near Palmdale, along Ave Q, 0.2kim W of Division St/Ave Q Comment
  UCD133779  Lasthenia gracilis F. H. Elmore 18-19 Feb 1939 400 Los Angeles San Clemente Island. Comment
  SEINET3145111  Lathyrus laetiflorus E. K. Balls, LW Lenz 1950-3-28 14454 Los Angeles 12 mi S of Castaic, Hwy 99 335 Comment
  SBBG108420  Lathyrus odoratus T. Ross, G. Allan, M. Elvin, J. Stone 1995-5-20 8591 Los Angeles N-S rd between upper Larkspur Cyn and Marine Terrace Grade, ca. 960' S of the center of the old airfield landing strip 266 Comment
  POM1799  Lathyrus vestitus subsp. alefeldii C. F. Baker 1904-7-22 4187 Los Angeles Monrovia Comment
  POM49786  Lathyrus vestitus subsp. alefeldii L. W. Nuttall 1920-5-7 s.n. Los Angeles Pebble Beach Canyon, Santa Catalina Island. Comment
  RSA0113755  Layia Steven A. Junak 1999-5-20 SCa- 931 Los Angeles Santa Catalina Island. On ridge between Cottonwood and Escondido Canyons. On S side of Cottonwood-Black Jack Road, ca. 0.6 mi. up from reservoir. 256 Comment
  HSC101295  Layia glandulosa R. G. Swinney 2009-4-28 10502 Los Angeles Transverse Range, San Gabriel Mountains: Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  UC828933  Layia glandulosa Marcus E. Jones 1882-5-1 Los Angeles Los Angeles Comment
  UC53938  Layia glandulosa Ernest Braunton 1902-5-10 324 Los Angeles Rivera Comment
  POM362206  Layia hieracioides N. C. Cooper 1945-5-1 2200 Los Angeles Tapia Park area, Santa Monica Mountains 610 Comment
  SBBG80320  Layia platyglossa F. C. Boutin 1967-4-23 1670 Los Angeles Lemon Tank 304 Comment
  UCR227370  Lepechinia fragrans Orlando Mistretta, Christine Mistretta 2008-5-13 3068 Los Angeles Transverse Range; San Gabriel Mountains, Grizzly Flat Road, vicinity of Dark Canyon, Arroyo Seco Canyon drainage 949 Comment
  CAS-BOT-BC88915  Lepidium densiflorum var. densiflorum Geo. B. Grant 1898-2-12 s.n. Los Angeles Pasadena. Comment
  JEPS53619  Lepidium fremontii Frank W. Peirson 1921-5-19 677 Los Angeles Little Rock Creek San Gabriel Mts. 960 Comment
  RSA584103  Lepidium strictum Timothy S. Ross, S. D. Boyd 1990-5-15 2521 Los Angeles Live Oak Campground, Tujunga Ranger Distruct, Angeles National Forestr; at the confluence of Sand Canyon and Bear Canyon. (draining to the Santa Clara River about 3.5 miles north) 646 Comment
  CAS-BOT-BC60038  Lepidium virginicum var. menziesii Alice Eastwood 1920-4-20 9368 Los Angeles San Pedro. Comment
  RSA429962  Lepidium virginicum var. pubescens Anstruther Davidson 1902-5-4 1859 Los Angeles Azusa Comment
  RSA530054  Lepidium virginicum var. virginicum Timothy S. Ross 1991-8-16 5841 Los Angeles San Gabriel Mountains, Horse Flats 1720 Comment
  CAS-BOT-BC328052  Lepidospartum squamatum C. B. Wolf 1931-6-25 2238 Los Angeles SW of Los Angeles Botanic Garden, along Beverly Blvd. (Mandeville Canyon) 60 Comment
  RSA657164  Lepidospartum squamatum Joseph M. Keefe 1978-5-11 22904 A Los Angeles Verdugo Mountains: Stough Canyon, Firebreak Road, 0.5 km north of DeBell Golf Course, foothills of Verdugo Mtns, Burbank. 457 Comment
  UCR212797  Lepidospartum squamatum Ellen Mackey, Blake Whittington 2006-10-26 NFWF- 1839 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River near Rincon Ranger Station [off Hwy 39] 451 Comment
  UCR256270  Lepidospartum squamatum R. G. Swinney 2010-3-22 12087 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  CHSC109702  Leptochloa fusca subsp. uninervia Julie A. Greene 1997-9-12 Los Angeles Long Beach Area: Intersection of Pacific Coast Highway/Studebaker Road, near Long Beach Marina. 5 Comment
  UCR137146  Leptochloa uninervia Geo. L. Moxley 1917-9-19 639 Los Angeles Oakwood Ave. [between Beverly Blvd. & Melrose Ave., south of West Hollywood, vicinity of La Brea Ave.], Los Angeles 76 Comment
  UCR16660  Leptodactylon californicum subsp. californicum D. Sall 1970-5-16 s.n. Los Angeles On NE-facing slope 0.5 mi past '3000 ft' sign on Hwy 39 122 Comment
  SD43392  Leptosiphon aureus Darley F. Howe 1948-5-2 1779 Los Angeles Angelus Crest Highway to Mt. Wilson; desert side. 975 Comment
  RSA0105977  Leptosiphon breviculus R. G. Swinney 2011-7-8 15506 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), the middle elevation (& smallest ) of three natural depressions at the north base of Strawberry Peak. 1171 Comment
  RSA729602  Leptosiphon breviculus R. G. Swinney 1998-7-10 6385 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
  UCR271982  Leptosiphon breviculus R. G. Swinney 2011-6-20 15220 Los Angeles San Gabriel Mountains, Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail 1573 Comment
  POM247137  Leptosiphon breviculus Victor Duran 1933-7-11 3516 Los Angeles Sulphur Spring, San Gabriel Mts. 1524 Comment
  RSA226549  Leptosiphon breviculus C. W. Tilforth 1971-4-13 423 Los Angeles Hook Creek Rd., s.e. of Cedar Glen, Lake Arrowhead. 1570 Comment
  UCR223441  Leptosiphon ciliatus R. G. Swinney 2009-6-3 11057 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
  LA81938  Leptosiphon parviflorus O. H. Kappler; 1940-5-19 16 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA468569  Leptosiphon parviflorus Thekla Mohr 1897-05 s.n. Los Angeles Eaton Canyon. Comment
  SEINET7967481 Image available Leptosiphon parviflorus Dirk Walters, David Keil 1977-4-30 12292 -A Los Angeles On south side of California Route 138 in vicinity of junction w/ Los Angeles Co. Rd. N-2, across highway from Quail Reservoir. Comment
  RSA468563  Leptosiphon parviflorus L. E. Hoffman 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles National Forest. Comment
  RSA157784  Leptosiphon pygmaeus subsp. pygmaeus P. H. Raven 1962-5-9 17692 Los Angeles Head of canyon just north of Gray, San Clemente Island. 488 Comment
  SBBG92121  Leptosyne gigantea A. C. Sanders 1988-2-3 7594 Los Angeles El Segundo dunes, immediately W of LA International Airport & Pershing Drive, E of Vista Del Mar Blvd [probably introduced] 30 Comment
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Jul 28 2016
  POM798  Lewisia rediviva I. M. Johnston 1917-7-4 1470 Los Angeles San Antonio Mountains: south slope of Baldy 2744 Comment
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Jan 23 2011
  MACF015662  Libocedrus decurrens Fay A. MacFadden 1936-9-6 14746 Los Angeles Lake Arrowhead, California Comment
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May 29 2015
  RSA757081  Lilium parryi Richard G. Swinney 2008-9-13 9457 Los Angeles Buckhorn Canyon waterfall, 0.4 mi. north of Burkhart Trail parking lot 1893 Comment
  RSA586541  Linanthus aureus T. S. Ross 1991-4-27 4674 Los Angeles Mojave Desert: Black Butte Basin Road: 1.95 miles and ca 148 deg. SW of Three Sisters buttes. 982 Comment
  UCR191523  Linanthus breviculus R. G. Swinney 1998-7-8 6306 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  CAS-BOT-BC226742  Linanthus californicus F. Grinnell Jr. 1910-6-11 s.n. Los Angeles San Gabriel Mts 1066 Comment
  RSA468432  Linanthus californicus subsp. glandulosus James B. McNair 1934-5-1 s.n. Los Angeles Verdugo Woodlands, Glendale Comment
  RSA660394  Linanthus concinnus Orlando Mistretta 1992-6-19 599 Los Angeles Angeles National Forest; Timber Mountain, San Gabriel Mountains. Comment
  RSA679896  Linanthus concinnus LeRoy Gross, Michael Denslow 2003-6-4 968 Los Angeles Trail from Islip Saddle to Mt. Williamson 2195 Comment
  RSA708577  Linanthus dianthiflorus Valerie L. Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1163 Los Angeles Ridgetop above McDonald Creek. 427 Comment
  UCR209442  Linanthus dianthiflorus R. G. Swinney 1969-4-27 384 Los Angeles San Gabriel Mtns., Glendora/Azusa boundary, foothills 0.6 mi. north of Sierra Madre Ave. above Yucca Ridge Ave 351 Comment
  LA200755  Linanthus dianthiflorus Elizabeth Levine; sn Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  RSA305705  Linanthus dianthiflorus subsp. dianthiflorus Mark Hoefs, Doug Propst 1973-4-6 159 Los Angeles Santa Catalina Island: Middle of Cape Canyon. 304 Comment
  RSA763141  Linanthus dichotomus subsp. pattersonii Justin M. Wood 2010-5-10 1636 Los Angeles Vicinity of Littlerock Creek; just southwest of intersection of Cheseboro Rd. and Mt. Emma Rd. 973 Comment
  RSA772524  Linanthus parryae R. G. Swinney 2009-5-13 10761 Los Angeles upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills. 1122 Comment
  POM277118  Linanthus parryae E. S. Steele, H. S. Pratt 1934-3-22 7016 Los Angeles Northwest of Lancaster, Mohave Desert. Comment
  RSA0044605  Linanthus parviflorus A. C. Sanders 2007-4-19 33433 Los Angeles Tehachapi Mtns. Foothills: hills north of Oso Canyon and south of the National Cement Plant. 1006 Comment
  LA51917  Linaria pinifolia Peter H. Raven; Henry J. Thompson 1960-4-24 15120 Los Angeles 457 Comment
  UCR220352  Liquidambar styraciflua R. G. Swinney 2009-4-13 10328 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte 184 Comment
  UCR91489  Lithophragma bolanderi Scott D. White 1995-3-14 2544 Los Angeles San Gabriel Mtns., San Dimas Canyon Rd, upslope from San Dimas Reservoir. 457 Comment
  UCR190096  Lobelia dunnii R. G. Swinney 1998-7-30 6588 Los Angeles San Gabriel Mtns., lowest large waterfall in Spruce Canyon, a tributary from the west of San Antonio Canyon 976 Comment
  UCR129370  Lobelia dunnii var. serrata Ian Swift 2001-7-2 237 Los Angeles Transverse Ranges, Liebre Mtns. region, Middle Fish Canyon, 1 mile north of Cienega Campground 793 Comment
  UCR61569  Lobelia dunnii var. serrata R. G. Swinney 1989-7-13 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon. Lewis Paul Falls 518 Comment
  RSA608640  Lobularia maritima L. C. Wheeler 1931-3-7 s.n. Los Angeles La Verne. Comment
  SBBG12123  Loeseliastrum matthewsii E. R. Blakley 1958-5-17 2377 Los Angeles where Rock Crk crosses Pearblossom to Victorville Rd 1005 Comment
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Mar 30 2015
  SBBG64754  Loeseliastrum matthewsii R. Hoffmann 1927-6-14 Los Angeles Palmdale Comment
  RSA468339  Loeseliastrum schottii Robert Gustafson 1978-6-21 1027 Los Angeles Lower Hungry Valley, freeman Canyon about 4 miles south of gorman 976 Comment
  SBBG116974  Logfia filaginoides S. A. Junak with K. Kirkland 2001-4-13 SCa 1420 Los Angeles rd above Empire Landing 137 Comment
  UC1605196  Lomatium californicum Tim Ross, Steve Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3881 Los Angeles n. slope Liebre Mt. (upper portions of Pacific Crest Trail which follows ridge just e. of Horse Camp Canyon); Liebre mts., Liebre Mt. 1487 Comment
  JEPS17149  Lomatium dasycarpum subsp. dasycarpum Alice M. Ottley 1920-5-8 632 Los Angeles San Rafael Hills near Pasadena; San Rafael Hills Comment
  RSA747148  Lomatium mohavense R. G. Swinney 2008-5-8 8813 Los Angeles West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  UCR197774  Lomatium mohavense Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 48 Los Angeles Transverse Ranges; San Gabriel Mountains, off Big Pines Hwy (Road N) on the north side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside 1444 Comment
  UCR51039  Lomatium mohavense A. C. Sanders, B. Pitzer, J. C. Lyman 1988-4-4 7765 Los Angeles Western Mojave Desert, Lancaster, near Quartz Hill, south of Ave L at 37th St. West 747 Comment
  CATA3200  Lonicera hispidula Julie L. King 2016-11-16 19 Los Angeles Santa Catalina Island: Upper Cottonwood Rd., where drainage crosses the road by the Mexican fan palm, about 1.15 road miles from junction with Blackjack Road 270 Comment
  OBI78639  Lonicera interrupta Jill M. Bushakra, John Bushakra 2001-6-2 116 Los Angeles Pine Canyon, Pine Canyon and Schaffer Roads. 762 Comment
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Mar 23 2015
  PASA276  Lonicera subspicata Annetta Carter 1929-1-1 Los Angeles Mouth of Big Santa Anita Canyon Comment
  RSA455360  Lonicera subspicata var. denudata Fay A. MacFadden 1931-04 s.n. Los Angeles Verdugo Mountains: La Tuna Canyon. Comment
  RSA482529  Lonicera subspicata var. denudata Richard Noyes, L. Arnseth 1988-4-30 558 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Burbank Canyon, northwest of Thompson Creek Dam. 525 Comment
  SEINET4035309  Lotus argophyllus var. argenteus M. B. Dunkle 1939-1 7252 Los Angeles China Point, Pyramid Cove, San Clemente Island. Comment
  POM2442  Lotus argophyllus var. argophyllus E. L. Brown 1894-05 s.n Los Angeles old Wilson Peak Trail Comment
  POM210538  Lotus crassifolius var. crassifolius Victor Duran 1933-7-6 3506 Los Angeles Horse Flats, San Gabriel Mountains 1677 Comment
  RSA406100  Lotus crassifolius var. crassifolius F. C. Boutin 1966-4-12 s.n. Los Angeles Mtl Lukens, north of La Crescenta 1524 Comment
  RSA545310  Lotus dendroideus var. traskiae T. S. Ross 1992-4-14 6158 Los Angeles San Clemente Island, central E side of island, just below the mouth of Nanny Canyon 99 Comment
  RSA571638  Lotus dendroideus var. traskiae F. H. Elmore 1939-11-26 s.n. Los Angeles Wilson Cove, San Clemente Island Comment
  RSA752797  Lotus hamatus Robert F. Thorne 1980-4-25 54133 Los Angeles Santa Catalina Island. Along road from Blackjack Camp to Orizaba Peak. 579 Comment
  RSA90367  Lotus heermannii F. W. Peirson 1918-5-21 99 Los Angeles Wet place near stream; Arroyo Seco, near Pasadena 518 Comment
  UCR274997  Lotus humistratus Michael Honer, Rachel Woodard 2006-4-24 2223 Los Angeles Tehachapi Mountains area, C. 2 miles east of Quail Lake, 1 mile east of aqueduct; 1 mile north of Hwy 138 1006 Comment
  RSA755886  Lotus nevadensis R. G. Swinney 2008-7-24 9291 Los Angeles Waterman Mountain 2412 Comment
  RSA406121  Lotus nevadensis var. davidsonii Anstruther Davidson 1898-7-8 s.n Los Angeles Rock Creek Comment
  RSA619350  Lotus oblongifolius var. oblongifolius R. S. Woglum 1942-5-20 3320 Los Angeles Transverse Ranges: Angeles Crest Highway; San Gabriel Mountains; Angeles National Forest. Comment
  UC1129076  Lotus procumbens var. procumbens A. D. Gifford 1935-5-10 207 Los Angeles 2 1/3 mi s of Neenach 1005 Comment
  RSA762415  Lotus purshianus R. G. Swinney 2008-8-13 9371 Los Angeles Icy Springs, tributary of Big Rock Creek. 1756 Comment
  UCR209046  Lotus purshianus Dan S. Cooper 2009-5-27 509- 38 .2 Los Angeles Los Angeles Basin Region, adjacent to radio towers in Kenneth Hahn Recreation Area, Baldwin Hills, Los Angeles 137 Comment
  UCR218020  Lotus purshianus A. C. Sanders, Dan S. Cooper 2010-8-5 38536 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  UC864750  Lotus purshianus var. purshianus F. R. Fosberg 1931-7-11 S 4386 Los Angeles Mouth of Cape Canyon Santa Catalina Island 200 Comment
  UC1602068  Lotus salsuginosus Miss E. D. Palmer Nov 1904 Los Angeles vicinity Los Angeles Comment
  RSA406806  Lotus salsuginosus var. salsuginosus F. R. Fosberg 1931-3-24 S- 4352 Los Angeles Santa Catalina Island. Hamilton Canyon near Avalon. 80 Comment
  POM26692  Lotus scoparius Walter Wheeler 1904-7-5 711 Los Angeles Covina Comment
  UCR259669  Lotus scoparius subsp. 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 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
  UCR223016  Lotus scoparius var. scoparius R. G. Swinney 2009-5-5 10622 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  UCR271889  Lotus scoparius var. scoparius R. G. Swinney 2010-4-28 12403 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  RSA0068459  Lotus strigosus R. G. Swinney 2010-3-18 11980 Los Angeles San Gabriel Mountains: Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road. 540 Comment
  RSA586444  Lotus strigosus Orlando Mistretta 1995-2-28 1515 Los Angeles Carr Canyon 1012 Comment
  RSA621305  Lotus strigosus L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 Comment
  UCR261781  Lotus strigosus R. G. Swinney 2010-5-11 12676 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
  RSA17984  Lotus strigosus P. A. Munz 1923-5-26 6871 Los Angeles San Gabriel Mountains, Rock Creek 1296 Comment
  SEINET5766212 Image available Lupinus A. M. Johnson 1934-1 4382 Los Angeles entrance to UCLA campus, Westwood Village Gate Comment
  POM7993  Lupinus agardhianus Anstruther Davidson 1920-04 s.n. Los Angeles Santa Susana Pass Comment
  SEINET196197  Lupinus albifrons L. R. Abrams 1941-4-18 13867 Los Angeles State Highway 138 one mile east of junction with U.S. Highway 99 Comment
  UC1129285  Lupinus albifrons F. H. Raymond 1930-1-6 16 Los Angeles Escondido Canyon; Triunfo Pass Quad., Escondido Canyon 335 Comment
  SEINET10488415  Lupinus albifrons David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 year old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by d.b.dunn. Rsa # 6450 x 7325 (2) Comment
  UC1481362  Lupinus albifrons David B. Dunn April 1956 RSA- 6450 -8292 Los Angeles Comment
  RSA0105015  Lupinus andersonii R. G. Swinney 2011-6-22 15270 Los Angeles San Gabriel Mountains: 1/4 mile north of entrance to Charlton Flat, 8 m west of Angeles Crest Hwy shoulder. 1659 Comment
  RSA660177  Lupinus andersonii Orlando Mistretta 1992-5-25 446 Los Angeles Fenner Canyon Conservation Camp. S side of camp. Comment
  CHSC29257  Lupinus benthamii Geraldine Brown 1977-4-11 83 Los Angeles E of Hwy 99 along roadside, 48 mi s of Bakersfield. 128 Comment
  RSA772400  Lupinus bicolor R. G. Swinney 2009-5-12 10727 Los Angeles Transverse Range, San Gabriel Mountains, Alimony Ridge, Junction of Alimony Ridge and Alimony Ridge Rd. and to 0.5 mi NW up ridge. 1435 Comment
  SBBG31447  Lupinus bicolor R. F. Thorne 1966-4-6 35911 Los Angeles N of Catalina Airport Comment
  RSA632120  Lupinus bicolor L. C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mountains: North of Mill Canyon off Soledad Canyon near Ravenna. 716 Comment
  RSA407085  Lupinus bicolor subsp. umbellatus C. B. Liter 1928-4-2 s.n. Los Angeles Santa Catalina Island. Comment
  CAS-BOT-BC187873  Lupinus chamissonis Lester Rowntree 1938-3-15 s.n. Los Angeles Catalina Island Comment
  RSA725091  Lupinus concinnus Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -1 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  SEINET10485221  Lupinus densiflorus Charles Piper Smith 1932-6-25 Smith 4734 Los Angeles Fairmont, 2 mi. W (manzana). Comment
  LA205108  Lupinus elatus Victor Duran; 1933-7-26 3535 Los Angeles San Gabriel Mountains, Buckhorn 1981 Comment
  UCD107644  Lupinus elatus Victor Duran 1933-7-26 3535 Los Angeles Buckhorn, San Gabriel Mts. Comment
  SEINET10450534  Lupinus elatus Victor Duran 1933-7-26 Duran 3535 Los Angeles Buckhorn, San Gabriel Mts. 1981 Comment
  UCR190103  Lupinus excubitus R. G. Swinney 1998-6-16 6980 Los Angeles San Gabriel Mtns., ridge c. 400 m SE of summit of Lookout (Antonio) Mtn. 1854 Comment
  RSA642514  Lupinus excubitus var. hallii D. E. Bramlet 1999-5-14 2760 Los Angeles Puente Hills. 274m northwest of the 57/60 freeway and 1.1 km east of old Brea Canyon Road. East facing slope of last small knoll before Lincoln Ave. (existing residential area). 207 Comment
  UCR281591  Lupinus excubitus var. hallii R. G. Swinney 2014-6-5 16708 Los Angeles San Gabriel Mountains, Glendora, ridgetop due north of Grand Ave., 0.32 mile south of Glendora Ridge Motorway 561 Comment
  RSA250622  Lupinus hirsutissimus R. F. Thorne 1971-4-2 41408 Los Angeles Johnson's Pasture's, N. of Mountain Avenue, Claremont. 549 Comment
  RSA413675  Lupinus hirsutissimus Reid V. Moran 1941-3-11 694 Los Angeles Mouth of Silver Canyon, Santa Catalina Island 50 Comment
  RSA413690  Lupinus hirsutissimus Elbert Benjamine 1929-2-24 65 Los Angeles Laurel Canyon, Hollywood Comment
  RSA413684  Lupinus hirsutissimus Frances L. Cramer 1934-3-15 s.n. Los Angeles Santa Susana Pass. Comment
  RSA160414  Lupinus latifolius var. parishii J. D. Olmsted 1959-5-13 624 Los Angeles Evey Canyon along N side of Creek 500 yards W of San Antonio canyon. San Gabriel Mtns, San Antonio Creek. 713 Comment
  LA200479  Lupinus longifolius Norman A. Cole; May 1964 360 Los Angeles Santa Monica Mountains, 6.3 mi from Pacific Coast Hwy along Piuma Rd 365 Comment
  UC201986  Lupinus longifolius Crawford and Hiatt 1916-3-28 703 Los Angeles foothills near Santa Monica Comment
  SBBG18899  Lupinus odoratus F. E. Clements 1918-5-27 Los Angeles near Lancaster Comment
  CAS-BOT-BC207246  Lupinus peirsonii Wesley O. Griesel 1962-6-27 s.n. Los Angeles Dawson Saddle, San Gabriel Mts. 2438 Comment
  SEINET10486150  Lupinus polycarpus David B. Dunn 1947-3-19 Dunn 2925 Los Angeles Collected on the n side of wilshire. 1/2 Block e of manning in a vacant lot. White colony; banner never reflexing. Has spread and now covers 100 ft of Parkway and banks of vacant lot; 5 years ago it occupied only a small area. Comment
  RSA0069840  Lupinus sparsiflorus R. G. Swinney 2010-3-10 11832 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
  RSA748837  Lupinus sparsiflorus Justin M. Wood 2009-4-10 476 Los Angeles City of San Dimas; San Dimas Wash just above the Puddingstone Diversion Dam and adj to the golf course. 351 Comment
  SD215539  Lupinus sparsiflorus Steve Boyd, Lauren Raz 1997-3-31 9393 Los Angeles Knapp Ranch area at upper end of Castiac Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 914 Comment
  UC1129704  Lupinus sparsiflorus A. D. Gifford 1935-3-31 537 Los Angeles 5 6/10 mi nw Redrock Mountain; Angeles National Forest, Tejon Quadrangle Comment
  OBI78141  Lupinus sparsiflorus David J. Keil, Dirk R. Walters 1977-4-30 12303 Los Angeles Ridge Rte, ca 3 mi S of jctn with Los Angeles Co. Rd N-2 Comment
  RSA550210  Lupinus sparsiflorus Walter Wisura, E. Roeder 1992-4-21 4704 Los Angeles West Mohave: Valyermo Rd. .3 mi. N of turnoff to St. Andrews. Comment
  SEINET10488984  Lupinus sparsiflorus Boyd 1987-4-14 BOYD 2057 Los Angeles San gabriel mts., Ridge between pine mtn. And silver mtn. S of rincon - red box Rd., N of glendora. Firebreak in chaparral and burned chaparral. Erect annual, Fls. Blue. Common Comment
  POM2612  Lupinus sparsiflorus subsp. sparsiflorus C. F. Baker 1909-3-20 5248 Los Angeles Claremont. Comment
  RSA414856  Lupinus subvexus var. subvexus T. W. Minthorn 1925-5-30 s.n. Los Angeles Near Palmdale. Comment
  SBBG95189  Lupinus succulentus M. B. Dunkle 1928-3-17 Los Angeles isthmus Comment
  UCR85815  Lupinus succulentus T. S. Ross 1991-4-8 4479 Los Angeles San Gabriel Valley, Elephant Hill: western Pomona 355 Comment
  UC1215189  Lupinus truncatus Peter H. Raven 1962-5-9 17649 Los Angeles along road just n of Guds San Clemente Island (San Clemente Island) 249 Comment
  RSA527779  Lupinus truncatus Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-4-8 4345 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  CAS-BOT-BC231484  Lycium brevipes var. hassei Alice Eastwood 1916-8-1 s.n. Los Angeles Exposition Park, Los Angeles Comment
  CAS-BOT-BC233477  Lycium californicum C. G. Pringle 1882-3-31 s.n. Los Angeles Wilmington Comment
  RSA276864  Lycium ferocissimum T. C. Fuller 1979-1-16 20255 Los Angeles Playa del Rey, 400 m north of 431 East Culver Blvd. Comment
  SD42297  Lyonothamnus floribundus P. C. Everett 1939-8-22 9536 Los Angeles Santa Catalina Islnad, E. Slope of Black Jack Pk. In Swain's Canyon 456 Comment
  SBBG78141  Lyonothamnus floribundus var. floribundus A. Conrad 1936-8-25 Los Angeles Santa Catalina Island Comment
  UCR180337  Lythrum californicum Scott D. White, Andrea Warniment 2006-7-7 11621 Los Angeles SE Tehachapi Mtns, Gorman area, Gorman Creek NE of the I-5 Freeway 1098 Comment
  UCR214655  Lythrum hyssopifolia A. C. Sanders, Dan S. Cooper 2010-4-30 38146 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  SBBG108577  Madia elegans T. S. Ross 1992-7-12 5992 s Los Angeles S of Lake Eleanor along Decker Rd 1 mi S of Los Angeles-Ventura County line 449 Comment
  POM308947  Madia exigua Kay H. Beach 1940-5-14 615 Los Angeles Trail to Cattle Canyon, San Dimas Experimental Forest, U.S. Forest Dept. Comment
  RSA94373  Madia exigua F. W. Peirson 1921-6-21 2446 Los Angeles West Fork of San Gabriel River 610 Comment
  RSA771314  Madia gracilis R. F. Thorne, Percy C. Everett 1965-5-12 34623 Los Angeles Bullrush Canyon, Santa Catalina Island. 244 Comment
  UC625024  Madia gracilis F. R. Fosberg 1931-10-4 S 4528 Los Angeles Hamilton Canyon; Santa Catalina Island 40 Comment
  UCR68898  Malacothamnus clementinus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4279 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  RSA610537  Malacothamnus davidsonii Louis C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mountains: Ridge at head of Loop Canyon. 1098 Comment
  RSA753965  Malacothamnus davidsonii A. Edwards, K. Oldehoeft 2009-4-29 130 Los Angeles Transverse Ranges; San Gabriel Mts. Region: Gentle N-facing slope above southern bank of Big Tujunga Wash and below dirt equestrian trail. Just upstream/east of Hansen Dam. 290 Comment
  LA105071  Malacothamnus fasciculatus Barry A. Prigge; 1988-7-3 8197 Los Angeles Santa Monica Mountains, Calabasas, ca 0.4 mi E of jtn of Mulholland Hwy and Old Topanga Rd, S of E-end of Calabasas High School track 313 Comment
  UC1122031  Malacothamnus fasciculatus Jerome S. Horton 1935-7-18 223 Los Angeles TAnbark Flat 792 Comment
  UCD116355  Malacothamnus fasciculatus Geoffrey Levin 1974-5-31 187 Los Angeles Wash (Blanchard Park), Pomona College, Claremont. Alluvial Fan of Mt. San Antonio (San Gabriel Mts.) 335 Comment
  UC1369831  Malacothamnus fasciculatus var. catalinensis Robert F. Thorne and D. Propst 1968-5-28 37646 Los Angeles Middle Ranch Santa Catalina Island (on bank above road beside Thompson's Reservoir) 213 Comment
  CAS-BOT-BC206358  Malacothamnus fremontii C. B. Wolf 1931-10-23 1354 Los Angeles Swartout Valley, 1/8 mi. E of Wrightwood Lodge, San Gabriel Mts. 1828 Comment
  CAS-BOT-BC206367  Malacothamnus fremontii Ernest C. Twisselmann 1966-7-13 12617 Los Angeles Cuddy Canyon Road at the Ridge Route Freeway - San Emigdio Range and the Mt. Pinos Region 1188 Comment
  RSA575102  Malacothamnus fremontii R. G. Swinney 1994-6-12 2937 Los Angeles Ca. 1.7 mi. N of jct of Hwy 138 & Soledad Rd, just W of San Bernardino County line/ Approx. 150 m W of Boneyard Canyon. 1311 Comment
  UCR209411  Malacothamnus fremontii R. G. Swinney 2008-10-8 9519 Los Angeles San Gabriel Mtns., Ball Flat, north of Jackson Lake 1890 Comment
  UCR271317  Malacothamnus fremontii R. G. Swinney 2011-5-12 14683 Los Angeles San Gabriel Mountains, east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  UC729478  Malacothamnus marrubioides Carl B. Wolf 1932-9-15 4082 Los Angeles 9 1/2 mi Saugus (Opposite Glenwood's Cafe on the Highway); Mint Canyon 457 Comment
  CAS-BOT-BC345321  Malacothrix californica Alice Eastwood 1906-5-27 222 Los Angeles Country adjacent to Los Angeles. Burbank Comment
  SEINET4102686 Image available Malacothrix foliosa M. B. Dunkle 1939-1 7211 Los Angeles San Clemente Island, southeast point. Comment
  SBBG133110  Malacothrix glabrata B. C. Templeton 1931-5-17 1200 Los Angeles between Lancaster and Palmdale Comment
  RSA654328  Malacothrix saxatilis Benjamen Rangel 1992-5-17 777 -45 Los Angeles In the avocado orchard behind the dormitories at Cal Poly Pomona; found mostly in the back side of the orchard by the freeway fence and the water drainage. Comment
  CAS-BOT-BC347924  Malacothrix saxatilis var. tenuifolia Louis Wheeler 1932-10-7 1424 Los Angeles U.C.L.A. Campus, W Los Angeles 137 Comment
  LA91505  Malacothrix saxatilis var. tenuifolia Bruce Douglas Clayton; Greg Clayton 1972-4-20 105 Los Angeles SANTA MONICA MOUNTAINS, Blackrill Canyon, Mountain Park Research Campus 533 Comment
  UCR273403  Malacothrix saxatilis var. tenuifolia R. G. Swinney 2011-4-26 14483 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  CAS-BOT-BC347935  Malacothrix saxatilis var. tenuifolia L. E. Cox 1908-3-28 s.n. Los Angeles Catalina Island Comment
  SEINET11799395  Malacothrix saxatilis var. tenuifolia J. F. Bright, Wyman, C. 1932-1 7999 Los Angeles Hollywood Comment
  RSA362402  Malacothrix sonchoides Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster Comment
  SD122691  Malephora crocea James C. Dice, W. E. Tippets 1988-4-7 848 Los Angeles Leo Carrillo State Beach, Sequit Point, at edge of bluff above beach 10 Comment
  OBI34052  Malosma laurina Mark Schneider 1973-6-1 s.n. Los Angeles Seven Hills Ranch, Tujunga. San Bernardino Mountains. 549 Comment
  UC284780  Malva parviflora P. A. Munz 1923-4-13 6784 Los Angeles San Clemente Island Comment
  RSA0011883  Malva parviflora P. R. Brown 1970-4-24 Los Angeles Canon de Lana. Comment
  RSA592294  Malva parviflora Louis C. Wheeler 1967-5-13 9543 Los Angeles San Gabriel Canyon, Ward's Grove. 262 Comment
  RSA681300  Malva parviflora LeRoy Gross, Valerie Soza 2003-5-15 918 Los Angeles 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. 366 Comment
  RSA0004200  Malvastrum gabrielense F. W. Peirson 1921-7-1 774 Los Angeles Arraster Creek, San Gabriel Mts 1067 Comment
  LA200412  Marah macrocarpa Mary Reynolds; 1937-4-12 72 Los Angeles Santa Monica Mountains, Franklin Canyon Comment
  RSA0073609  Marah macrocarpa R. G. Swinney 2010-4-23 12333 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  UCR152478  Marah macrocarpa A. C. Sanders, Lee Jones 2005-4-8 29368 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  RSA440971  Marah macrocarpa C. B. Liter, J. A. Powell 1928-4-3 s.n. Los Angeles Catalina Island. Comment
  RSA441000  Marah macrocarpa var. macrocarpa F. R. Fosberg 1931-1-7 7112 Los Angeles Sierra Madre. 300 Comment
  UC765599  Marah macrocarpa var. macrocarpa R. F. Hoover 1938-4-16 3123 Los Angeles between Fairmont and Lancaster Comment
  POM307834  Marah macrocarpa var. macrocarpa Henry J. Ramsey, Henry J. Ramsey 1938-1-30 2768 Los Angeles Eaton Canyon Park, Altadena Comment
  RSA409813  Marrubium vulgare H. L. Bauer 1929-4-15 s.n. Los Angeles Long Beach Comment
  RSA409819  Marrubium vulgare J. F. McBroom 1941-7-25 s.n. Los Angeles Pasadena foothills Comment
  RSA533429  Matricaria matricarioides Timothy S. Ross 1991-4-21 4520 Los Angeles Whittier Hills (puente Hills, pro parte): Middle Turnbull Canyon drainage just SW of Old Water Tank. 220 Comment
  CAS-BOT-BC422752  Meconella denticulata Geo. B. Grant 1904-5-19 6237 Los Angeles Mt Wilson Comment
  PASA1605  Meconella oregana var. denticulata Frank W. Peirson 1925-4-23 Los Angeles San Gabriel River 365 Comment
  POM222454  Medicago lupulina L. C. Wheeler 1936-6-8 4139 Los Angeles San Gabriel Mountains: Mouth of Bell Canyon. 609 Comment
  RSA355904  Medicago polymorpha Robert F. Thorne 1975-9-4 47390 Los Angeles Santa Catalina Island: Fishermans Cove; campus of USC Marine Science Center. Comment
  SBBG117022  Medicago polymorpha S. A. Junak with M. L. Hoefs 2001-5-5 SCa 1511 Los Angeles rd to Cape Cyn ridgetop, on N side of Middle Ranch Cyn 402 Comment
  RSA663311  Melaleuca citrina A. C. Sanders 1988-2-18 7686 Los Angeles El Egundo Dune, W of LA International Airport, between Pershing Dr and Vista Del Mar Blvd 5 Comment
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Jun 5 2006
  RSA722095  Melaleuca quinquenervia R. E. Riefner Jr. 2007-3-10 7 -110 Los Angeles City of San Pedro, near Cabrillo Beach Park, salt marsh inlet channel at Salinas de San Pedro. 3 Comment
  CAS-BOT-BC281517  Melica imperfecta A. D. E. Elmer 1902-6-1 3646 Los Angeles Acron, Mt Gleason Comment
  RSA623769  Melica imperfecta Ira L. Wiggins 1922-5-2 3047 Los Angeles Occidental College Campus, eagle Rock. Comment
  RSA623822  Melica imperfecta Jack Hudson 1950-02 s.n. Los Angeles San Rafael Hills bet Glenoaks and hill Dr. Comment
  RSA660811  Melica imperfecta Gerald Braden, Lori Ackerman 1988-5-19 21 Los Angeles Strawberry Peak. Comment
  UC818865  Melica imperfecta F. R. Fosberg 1931-3-31 S 4430 Los Angeles Avalon; Santa Catalina Island 8 Comment
  UCR65262  Melica imperfecta F. R. Fosberg 1931-3-19 S- 4307 Los Angeles Channel Islands, Santa Catalina Island, Hamilton Canyon, near Avalon 10 Comment
  UCSB415  Melica imperfecta Kraebel, C. 1932-6-20 Los Angeles San Dimas SRE Plots 303-304 (denuded); Angeles National Forest Comment
  RSA798313  Melica stricta Jane Tirrell 2012-7-25 LS 0128 Los Angeles On west-facing slope 20 ft above turnout along California State Route 2 at mile marker 66.37. 2225 Comment
  UCD88321  Melica stricta F. W. Peirson 1923-5-25 4250 Los Angeles Rock Creek, San Gabriel Mts. Comment
  POM348155  Melilotus albus Robert Gustafson 1980-7-9 1818 Los Angeles Ballona Wetlands, Area 3. Comment
  RSA547817  Melilotus albus T. S. Ross 1990-6-20 3629 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  LA82123  Melilotus indicus O. H. Kappler; 1941-5-5 240 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA276040  Melilotus indicus Jack Delaini 1974-4-25 136 Los Angeles San Dimas stream at mouth of canyon. 365 Comment
  UCR223805  Mentha spicata R. G. Swinney 2009-8-25 11491 Los Angeles Transverse Range; San Gabriel Mtns., Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  UCR280896  Mentzelia R. G. Swinney 2014-5-7 16409 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
  JEPS41148  Mentzelia albicaulis W. L. Jepson 1935-4-17 17031 Los Angeles west Mojave Desert, Lancaster 716 Comment
  UCSB4244  Mentzelia dispersa B., K. Los Angeles San Dimas Experimental Forest, south side of burn area, San Gabriel Mountains Comment
  UCSB10559  Mentzelia laevicaulis Gill, Robert 1959-10-4 Los Angeles San Antonio Canyon, San Gabriel Mtns. 1005 Comment
  RSA446757  Mentzelia micrantha F. R. Fosberg 1931-4-9 687 Los Angeles Divide between Hamiltons and Descanso Canyon, Santa Catalina Island 75 Comment
  CHSC35803  Mentzelia veatchiana Roberta G. Robertson 1974-4-27 219 Los Angeles 3.0 mi S. of junction Pearblossom Hwy. (Hwy 138) and Largo Vista Rd (Hwy N4) on Largo Vista Rd., Antelope Valley, 20.7 air miles ESE Palmdale. 1036 Comment
  RSA229004  Mentzelia veatchiana Robert F. Thorne, C. W. Tilforth 1971-6-30 40833 Los Angeles San Gabriel Mountains, Angeles National Forest: 3.3 miles below Alder Saddle along and above S Fork of Little Rock Creek. 1433 Comment
  UCR220170  Mentzelia veatchiana R. G. Swinney 2009-4-2 10259 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road 1235 Comment
  RSA173997  Mentzelia veatchiana Robert F. Thorne 1963-5-15 31669 Los Angeles 1 mile W of Los Angeles Co. line on Route 138, ca. 2 miles W of Desert Springs 1220 Comment
  SBBG130732  Mesembryanthemum crystallinum S. A. Junak 2000-6-29 SCa 1343 Los Angeles Bird Rock, just E of High Point, NW end of Opuntia patch 12 Comment
  SBBG13705  Mesembryanthemum crystallinum P. H. Raven 1962-7-11 18008 Los Angeles 1 mi S of Wilson Cove Comment
  CAS-BOT-BC435240  Mesembryanthemum crystallinum Dr. Barton W. Evermann 1918-3-29 s.n. Los Angeles Santa Catalina Isl. Comment
  SD107912  Mesembryanthemum crystallinum Larry Debuhr, Gary Wallace 1972-9-1 684 Los Angeles San Clemente Island, West cove in sand dunes, 500'NW end of island Comment
  SBBG14234  Mesembryanthemum nodiflorum M. A. Piehl 1962-10-3 62486 Los Angeles main rd near jct with Middle Ranch Rd Comment
  CAS-BOT-BC435289  Mesembryanthemum nodiflorum Rev. J. C. Nevin 1885-4-1 s.n. Los Angeles San Clemente Isl. Comment
  RSA655238  Microseris douglasii subsp. platycarpha D. E. Bramlet 1993-4-15 2314 Los Angeles In the Puente Hills, approx. 274 m. NW of Pomona peak. The site is located some 1220m W of the intersection of the Pomona freeway and Chino Hills Parkway. 381 Comment
  RSA611852  Microseris heterocarpa Steve Boyd, Valerie Soza 1998-4-28 10160 Los Angeles Liebre Mountains region: Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon, top of ridge on south side of the canyon. 634 Comment
  UC1870286  Mimulus aurantiacus LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1078 Los Angeles Transverse Ranges; Verdugo Mountains region; North side of mountains: South of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway. 556 Comment
  POM156203  Mimulus aurantiacus var. pubescens L. R. Abrams 1902-6-15 2543 Los Angeles Sepulveda Canyon, Santa Monica Mountains. Comment
  RSA15527  Mimulus aurantiacus var. pubescens Carl B. Wolf 1928-5-11 2182 Los Angeles So. base of Newhall Grade. Comment
  RSA420308  Mimulus aurantiacus var. pubescens R. S. Woglum 1930-4-28 s.n. Los Angeles Hills south of Glendora. Comment
  RSA442633  Mimulus aurantiacus var. pubescens A. M. Johnson 1934-5-1 4447 Los Angeles Shaded moutain side, Sepulveda Canyon. Comment
  UC943857  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-10 1914 B Los Angeles e Whittier (near summit of grade); Turnbull Canyon Comment
  HSC20804  Mimulus brevipes C. S. Apperson 1967-6-11 Los Angeles 1.0 mi. down Canton Canyon trail from the end of Townsend Park Rd. Comment
  UC26880  Mimulus brevipes Harley P. Chandler 1897-5-5 Los Angeles Claremont 365 Comment
  RSA420980  Mimulus brevipes N. C. Cooper 1949-6-29 4363 Los Angeles San Gabriel Canyon. 457 Comment
  RSA738054  Mimulus brevipes Naheel Jeireli s.n. Los Angeles San Rafael Hills 213 Comment
  RSA0080650  Mimulus cardinalis R. G. Swinney 2010-5-29 13010 Los Angeles May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar. 939 Comment
  RSA420675  Mimulus cardinalis Louis C. Wheeler 1931-8-22 11 Los Angeles Puddingstone Lake. 259 Comment
  SFV5498  Mimulus cardinalis W. A. Kelley Jun 1967 Los Angeles Santa Monica Mountains Studio City, near Laurel Canyon. Comment
  RSA420684  Mimulus cardinalis George R. Johnston 1930-9-14 13936 Los Angeles Near Oak Hilde. Comment
  SFV21126  Mimulus floribundus L. Gross, M. Denslow, B. Hogshead, S. Swartzentruber 2003-6-17 1048 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Brand Canyon above the large waterfall where the canyon forks off, near above coordinates. Smaller side canyon that branches off to the east of the main canyon. Side canyon narrows quickly to a bedrock waterfall (or seep). 519 Comment
  POM38  Mimulus fremontii J. H. Fairchild s.n. Los Angeles Claremont. 366 Comment
  RSA80495  Mimulus fremontii F. W. Peirson 1917-5-13 1129 Los Angeles Roadside bear Little Rock, Antelop Valley. Comment
  LA209384  Mimulus guttatus Carl Epling; May 1926 sn Los Angeles Arroyo Seco Comment
  RSA442755  Mimulus guttatus L. E. Hoffman 1932-8-10 s.n. Los Angeles Verdugo Woodlands, Glendale Comment
  SBBG96964  Mimulus guttatus S. Boyd with T. Ross, L. Arnseth 1990-4-8 4304 Los Angeles near Malo Pt, first cyn S of Bryce Cyn Comment
  SEINET3246197  Mimulus guttatus R. G. Swinney 2008-1 9013 Los Angeles San Gabriel Mtns.: middle fork of Punchbowl Canyon at junction with South Fork Trail, 2.1 mi. SSE of Devils Punchbowl Co. Park headquarters via trail. 1580 Comment
  RSA536088  Mimulus guttatus Tim S. Ross 1991-5-21 5411 Los Angeles San Clemente Island: upper easterly branch of Box Canyon 463 Comment
  RSA0056584  Mimulus johnstonii David M. Thompson 1986-6-8 495 Los Angeles San Gabriel Moutains: 7.0 miles N of Angeles Crest Highway (Hwy 2) along road following the South Fork of Little Rock Creek (beginning at 'Three Points' on USGS map). Comment
  UCD122712  Mimulus microphyllus Louis C. Wheeler 1967-5-15 9595 Los Angeles San Gabriel Mountains: bottom of Elsmere Canyon near mouth. 434 Comment
  JEPS27404  Mimulus nasutus Peter H. Raven, Henry J. Thompson 1960-4-12 15063 Los Angeles just w Triunfo Pass; Santa Monica Mountains 640 Comment
  RSA0011603  Mimulus parishii Orlando Mistretta, Christine Mistretta 2011-6-14 5688 Los Angeles N edge of San Gabriel Mountains, 1.3 air miles N of Aliso Cyn Rd, 2.3 air miles S of Vincent, 0.8 miles W of Angles Forest Hwy. 1108 Comment
  SBBG127060  Mimulus parishii A. Parikh, N. Gale 2011-6-10 3443 Los Angeles N of Aliso Cyn, 0.2 km W of Angeles Forest Hwy, 1.3 km N of Aliso Cyn Rd; San Gabriel Mtns 1170 Comment
  SBBG126197  Mimulus parishii R. G. Swinney 2005-7-21 8313 Los Angeles Juniper Hills, 0.4 mi S of jct of Longview Rd and Tumbleweed Rd, Mike Booth property; San Gabriel Mtns 1216 Comment
  SBBG125837  Minuartia douglasii A. Parikh, N. Gale 2010-5-25 3222 Los Angeles Sierra Pelona, 4.8 km W of State Hwy 14, 1.9 km SW of California Aqueduct 1025 Comment
  CAS-BOT-BC388658  Minuartia douglasii Geo. B. Grant 1901-1-1 4828 Los Angeles Altadena Comment
  SBBG77687  Mirabilis californica F. R. Fosberg 1931-3-18 4293 Los Angeles Hamilton Cyn 10 Comment
  RSA746897  Mirabilis laevis R. G. Swinney 2005-4-15 8217 Los Angeles Glendora, South Hills, junction of Wild Iris Trail and South Hills Trail 320 Comment
  LA200665  Mirabilis laevis var. crassifolia Carl Epling; March 1925 6520 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA464657  Mirabilis laevis var. crassifolia Tom Burch 1940-3-15 s.n. Los Angeles Santa Susana Pass, near Chatsworth. 610 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
  RSA782809  Mollugo verticillata A. C. Sanders, Dan S. Cooper 2010-8-5 38534 Los Angeles Madrona Marsh Preserve, Torrance 24 Comment
  RSA641076  Monardella australis Orlando Mistretta 1995-7-12 1924 Los Angeles San Gabriel Mountains: Little Rock Creek, Buckhorn Campground. 2073 Comment
  SBBG72008  Monardella australis F. R. Fosberg, J. Ewan 1931-8-12 Los Angeles trail to summit, Mt Islip 2438 Comment
  UCR179892  Monardella cinerea R. G. Swinney 1995-8-28 4476 Los Angeles San Gabriel Mtns., West Mt. Baldy summit 3043 Comment
  CAS-BOT-BC220136  Monardella exilis W. R. Dudley; F. H. Lamb 1896-6-4 4312 Los Angeles Lancaster Comment
  HSC24429  Monardella exilis James Henrickson 1971-5-2 5539 Los Angeles 15 mi. E of Palmdale, S slope of Lovejoy Buttes in Mojave Desert 854 Comment
  RSA408588  Monardella lanceolata Erwin Miller 1934-6-30 s.n. Los Angeles Fish Canyon, San Gabriel Mountains. Comment
  SBBG71953  Monardella lanceolata R. Hoffmann 1929-5-21 Los Angeles Pine Cyn Comment
  UC851245  Monolepis nuttalliana Marcus E. Jones, A. M. 1882-5-3 2333 Los Angeles Pasadena Comment
  CAS-BOT-BC108997  Mucronea californica Peter H. Raven; Henry J. Thompson 1959-6-4 14318 Los Angeles Santa Monica Mountains. Point Dume. 45 Comment
  CAS-BOT-BC275276  Muhlenbergia microsperma Le Roy Abrams 1903-3-8 3111 Los Angeles Sepulveda Canyon, Santa Monica Mountains Comment
  POM11779  Muhlenbergia microsperma H. S. Yates 1914-6-6 s.n. Los Angeles Monrovia Comment
  UC1109366  Muhlenbergia microsperma Peter H. Raven 1962-5-8 17603 Los Angeles on steep walls second canyon s Seal Cove (San Clemente Island); San Clemente Island 30 Comment
  UCR270767  Muhlenbergia microsperma Mike Misenhelter 2016-4-15 s.n. Los Angeles Diamond Bar Creek, City of Industry, Grand Ave. north side of Hwy 57/60 freeway 215 Comment
  UCR181243  Muilla coronata R. G. Swinney 1997-6-13 5569 Los Angeles San Gabriel Mtns, south of Pinon Hills, c. 0.5 mi. NE of Table Mountain, summit of ridge just west of San Bernardino Co. line 2073 Comment
  UCR192953  Muilla maritima Dan S. Cooper 2008-4-21 s.n. Los Angeles Western Transverse Range, mesa along north side of Santa Clara River, 1 km west of Sand Canyon Rd., Santa Clarita 470 Comment
  UCR197199  Muilla maritima Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 703 Los Angeles Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999 579 Comment
  CAS-BOT-BC514192  Muilla maritima G. B. Grant 1901-3-24 3645 Los Angeles Eaton Wash Comment
  RSA0046854  Myrica californica Anstruther Davidson 1892-08 s.n. Los Angeles Canyon, Santa Monica. Comment
  SEINET893213  Myrtaceae H. M. Hall 1908-1 8234 Los Angeles Soldier's Home Comment
  LA210908  Najas guadalupensis Arthur C. Gibson; 2008-9-7 5390 Los Angeles SANTA MONICA MOUNTAINS, SMMNRA Rocky Oaks. Comment
  CAS-BOT-BC456204  Najas marina Louis C. Wheeler 1945-8-15 6090 Los Angeles Lake Shangri-La: near El Monte. Comment
  CAS-BOT-BC259799  Nassella cernua Timothy S. Ross; Steve Boyd 1994-5-25 7921 Los Angeles Liebre Mountains. Necktie Basin: ca. 470-830 m W of Warm Springs Mountain summit. These collections from ca. 600-800 m WSW of summit 1075 Comment
  RSA133838  Nassella cernua H. J. Thompson 1959-5-31 2065 Los Angeles 0.2 miles east of Tapia Park, on Piuma Road 183 Comment
  RSA526618  Nassella cernua Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4206 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  LA9447  Nassella lepida Carl Epling; 1931-5-2 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA0024508  Nassella pulchra R. F. Thorne 1980-4-26 54145 Los Angeles Santa Catalina Island. Blackjack Camp; W slope of Blackjack Peak Comment
  POM479  Nasturtium officinale W. R. Dudley 1896-6-12 4436 Los Angeles Gorman's Station Comment
  RSA0048215  Nasturtium officinale Carol Haines 1964-5-23 s.n. Los Angeles Atmore Meadows, Old Ridge Route. 1310 Comment
  RSA95619  Navarretia atractyloides Verne Grant 1955-6-2 20844 Los Angeles dry flats in Coastal Sage Scrub in Ranch Santa Ana Botanic (where native0, Claremont 366 Comment
  UCR169475  Navarretia hamata Kathleen Stockwell 2005-5-27 122 Los Angeles San Gabriel Valley, Claremont, vacant lot at SW corner of Montevista and Claremont Blvd 427 Comment
  RSA73130  Navarretia hamata subsp. hamata F. W. Peirson 1917-5-14 949 Los Angeles San Gabriel River was at foothill Boulevard Comment
  UC187680  Navarretia hamata subsp. leptantha Katharine Brandegee May 17 1916-May 25 1916 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC536063  Nemacladus glanduliferus R. G. Swinney 2011-7-7 15433 Los Angeles San Gabriel Mtns: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1231 Comment
  RSA771549  Nemacladus sigmoideus R. G. Swinney 2009-5-28 10955 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  RSA783339  Nemophila menziesii J. D. Olmsted 1958-3-10 41 Los Angeles NW of Claremont in foothills. Johnson s Pasture fire road S of junction with Liveoak Canyon fireroad from the Hill Ranch 3 mi to SW along Liveoak Creek and 5 mi from Webb school. 732 Comment
  SEINET3156484  Nemophila menziesii var. integrifolia E. K. Balls, L. W. Lenz 1950-3-28 14453 Los Angeles 12 miles S of Castaic, Hwy. 99 335 Comment
  UC457221  Nemophila menziesii var. integrifolia Carl Epling, Nesta Dunn, and Alice Goen 1931-5-16 Los Angeles Swartout Valley San Gabriel Mts., Swartout Valley Comment
  UC880911  Nemophila menziesii var. integrifolia Geo. L. Fisher 1920-7-8 124 Los Angeles Mt. Wilson 609 Comment
  CATA1804  Nicotiana glauca Benjamin E. Carter 2012-8-23 6988 Los Angeles Santa Catalina Island: Airport Road, ca. 1/4mi north of Middle Ranch Road 405 Comment
  RSA80771  Nicotiana quadrivalvis F. W. Peirson 1921-3-6 2729 Los Angeles San Gabriel Wash. 213 Comment
  UCR162639  Nicotiana quadrivalvis Anuja Parikh, Nathan Gale 2004-6-17 2049 Los Angeles Santa Clara River Valley, Newhall Ranch (study area 44) in vicinity of confluence of Castaic Creek and Santa Clara River 290 Comment
  SEINET10818927  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3952 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  RSA458913  Oenanthe sarmentosa L. C. Wheeler 1933-7-7 1918 Los Angeles Lexington Wash near El Monte. 73 Comment
  POM187768  Oenothera Thomas Craig 1933-10-9 2015 Los Angeles Soledad Canyon, about 8 miles west of Ravenna. 610 Comment
  RSA578596  Oenothera californica subsp. californica Tim S. Ross, Steve D. Boyd 1994-5-4 7617 Los Angeles Liebre Mountains, San Francisquito Canyon: headwaters of the canyon, NE of Green Valley; ca 600m SW of summit of grade; ca 2460 m ESE of Grass Mountain summit 1055 Comment
  POM355611  Oenothera deltoides subsp. deltoides G. R. Johnstone 1932-4-24 s.n. Los Angeles 15 miles E of Palmdale. Mojave Desert. Comment
  RSA355621  Oenothera elata subsp. hirsutissima Robert Gustafson 1981-7-15 2342 Los Angeles Ballona Wetlands, Area 2. Comment
  RSA747393  Oenothera laciniata A. C. Sanders, T. B. Salvato 2009-5-20 36871 Los Angeles San Gabriel Valley: Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. ( Hwy 19) and west of Santa Anita Ave. 66 Comment
  POM186342  Oenothera speciosa Joseph A. Ewan 1932-6-29 7564 Los Angeles Arizona Ave. four miles W of Hawthorn. Comment
  POM9775  Oenothera speciosa Lenington 1921-05 s.n. Los Angeles Pomona. Comment
  CAS-BOT-BC427444  Oligomeris linifolia Peter H. Raven 1962-5-8 17601 Los Angeles San Clemente Island. Near south end of Seal Cove 15 Comment
  UC557627  Opuntia Nell Murbarger 1936-3 94 Los Angeles San Clemente Island; mesa summit Comment
  RSA774747  Opuntia basilaris var. brachyclada R. G. Swinney 2009-6-17 11164 Los Angeles Ball Flat, 2.6 miles NW (312 deg.) of Big Pines 1878 Comment
  SBBG125913  Opuntia basilaris var. treleasei P. DeVries 2013-5-17 7819 Los Angeles ca 3.5 air mi SE of the town of Gorman, 0.75 air mi NNE of Quail Lake Rd off ramp on the 15; hills Eof Gorman Crk, W of Gorman Post Rd 1079 Comment
  POM317747  Opuntia ficus-indica David Walkington 1963-6-25 194 Los Angeles Ca 50 yards N of Puddingstone rd on Casa de Carrion homestead, west of house. 305 Comment
  POM156716  Oreonana vestita L. R. Abrams 1902-7-12 2702 Los Angeles Mt. San Antonio 2744 Comment
  RSA741146  Oreonana vestita Naomi Fraga, Elizabeth A. Kempton 2008-7-2 2302 Los Angeles North slope of Mount Islip from Little Jimmy Campground to the summit. 2287 Comment
  SFV13214  Oreonana vestita W. M. Perry 1980-6-19 63 Los Angeles San Gabriel Mountains Mount Baldy. Comment
  UCR114175  Orobanche bulbosa A. C. Sanders, D. Malueg 1998-6-24 22071 Los Angeles San Gabriel Mtns., brushy SE facing slope on ridge c. 3.5 mi. NE of Big Tujunga Dam, just below VABM 'Wreck', So. Cal. Edison Mesa-Vincent transmission line at tower 10-4 1305 Comment
  RSA0076172  Orobanche bulbosa Timothy S. Ross, Steve Boyd 1990-5-23 2628 Los Angeles Mt. Gleason area: north-northwesterly ridge descending from Messenger Peak (6015 ft), on the watershed divide between Mill Canyon and Moody Canyon. 1524 Comment
  POM199555  Orthocarpus purpurascens I. W. Clokey, Bonnie C. Templeton 1929-04 4479 Los Angeles Mandeville Canyon, Santa Monica Mountains. 300 Comment
  RSA4767  Orthocarpus purpurascens var. pallidus James Snow 1932-1 s.n. Los Angeles The Bryant ranch, near Long Beach. Comment
  RSA656847  Osmorhiza berteroi Valerie L. Soza, Laura Moore 2000-6-14 1018 Los Angeles San Gabriel Mountains: Spring at Big Cienega, ca. 0.6 mile NE of Deer Flat Campground along South Hawkins Road (FS Road 3N07.2). 1982 Comment
  RSA286655  Osmorhiza brachypoda R. F. Thorne, Larry E. DeBuhr 1974-6-28 44779 Los Angeles San Gabriel Mts., Angeles National Forest: Falling Springs on Soldier Creek 1173 Comment
  POM353429  Oxalis albicans subsp. pilosa Louis C. Wheeler 1932-3-12 479 Los Angeles Mandeville Canyon, Santa Monica Mts. 122 Comment
  LA50663  Oxalis californica A. M. Johnson; 1935-4-26 4586 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  RSA670982  Oxalis pes-caprae Joseph M. Keefe 2001-1-19 30935 Los Angeles End of sidewalk along Eagle Rock View Drive, south facing slope, south face of the Eagle Rock. 293 Comment
  UCR271719  Oxalis pes-caprae R. G. Swinney 2011-3-26 14229 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  UCR277243  Oxytheca perfoliata R. G. Swinney 2011-4-19 14391 Los Angeles San Gabriel Mountains, San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  RSA392882  Oxytheca trilobata G. R. Johnstone 1926-4-15 s.n. Los Angeles San Francisquito Canyon. Comment
  UC205686  Packera ionophylla I. M. Johnston 1917-8-24 1658 Los Angeles Head of Prairie Fork San Antonio Mountains Comment
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Aug 26 2014
  JEPS79941  Paeonia californica I. W. Clokey and E. G. Anderson 1931-3-11 5339 Los Angeles San Gabriel Canyon 900 Comment
  RSA0083118  Paeonia californica R. G. Swinney 2010-3-10 11839 Los Angeles FS Road 3N59 (Santa Clara Truck Trail), west of Whitney Canyon, 0.2-0.5 mi. ESE of ride-share parking lot at Hwy 14 and Newhall Ave. 470 Comment
  RSA167624  Paeonia californica Peter H. Raven, Robert F. Thorne 1964-5-7 19026 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  UCR3411  Paeonia californica H. M. Whistler 1964-3-21 640321- 10 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive, 2.5 mi. from its junction with Old Topanga Canyon Road 381 Comment
  UCSB2027  Paeonia californica Wedberg, H. 1958-2-22 Los Angeles About 5 miles west of Beverly Glen on Mulholland Drive, Santa Monica Mts. Comment
  RSA596189  Panicum capillare Lauren Raz, Steve Boyd 1996-10-23 22 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
  JEPS51563  Papaver californicum Frank W. Peirson 1921-4-10 2397 Los Angeles San Gabriel Mountains, San Dimas Canyon San Dimas Canyon; San Gabriel Mountains, San Dimas Canyon 533 Comment
  UC855228  Papaver californicum Ira W. Clokey, B. Templeton Apr. 1929 4464 Los Angeles Santa Monica Mountains, Mandeville Canyon Mandeville Canyon; Santa Monica Mountains, Mandeville Canyon 350 Comment
  CATA2036  Parietaria hespera var. californica Steven A. Junak, Keri Kirkland 1998-5-2 652 Los Angeles Santa Catalina Island: Near top of coastal bluffs, ca. 1.0 air miles W of East Peak, at end of ridge SW of Peak 1245 228 Comment
  RSA592399  Parietaria hespera var. hespera Mark Hoefs, D. Propst 1974-5-10 466 Los Angeles Santa Catalina Island: upper Fern Canyon 335 Comment
  RSA595017  Parietaria hespera var. hespera Mark Hoefs, Robert F. Thorne 1996-4-6 2599 Los Angeles Santa Catalina Island, Pebbly Beach. 6 Comment
  RSA622846  Parnassia cirrata Louis C. Wheeler 1968-7-3 s.n. Los Angeles San Gabriel Mountains: West of heliport. 1585 Comment
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Feb 6 2008
  SD186361  Parthenocissus vitacea Andy C. Sanders, Andy Thompson 2003-4-15 26020 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, along the Santa Clara River, north of Magic Mountain theme park 316 Comment
  LA8367  Paspalum distichum J. A. Ewan; 1932-6-28 7514 Los Angeles 99 Comment
  SD28062  Pectocarya linearis subsp. ferocula Carl B. Wolf 1932-5-10 3536 Los Angeles Santa Catalina Island: 100 yards southeast of summit of the equestrian trail, back of Avalon 305 Comment
  UCR271137  Pectocarya linearis subsp. ferocula R. G. Swinney 2011-4-20 14457 Los Angeles San Gabriel Mountains/ Western Mohave Desert, Vincent, 2.9 miles SE of Lake Palmdale on Carson Mesa, 100-200 m east of Angeles Forest Hwy 1000 Comment
  UCR259770  Pectocarya penicillata R. G. Swinney 2010-4-28 12394 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  RSA595998  Pectocarya penicillata L. C. Wheeler 1967-5-8 9353 Los Angeles San Gabriel Mts [Liebre Mtns]between Bouquet Junction and Bonelli Ranch. 396 Comment
  RSA659935  Pectocarya penicillata Orlando Mistretta 1992-5-18 329 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  SD90384  Pectocarya setosa Robert F. Thorne, C. W. Tilforth 1973-4-20 42997 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1 mile north of Bob's Gap, 3.2 miles south of Llano, north slope of Holcomb Ridge 1145 Comment
  RSA316361  Pectocarya setosa R. F. Thorne, Walter Wisura, S. Granger, Pamela Burton 1982-4-20 54983 Los Angeles 1/4-1/2 mile north of Bob's Gap, north slope of Holcomb Ridge, about 2.5 miles due south of Llano. 1159 Comment
  LA94147  Pellaea andromedifolia Lawrence L. Kiefer; 1966-4-9 1837 Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon, ca 3 mi N of Sunset Blvd in ravine W of road. 182 Comment
  SBBG16839  Pellaea andromedifolia K. A. Wilson, D. E. Bianchi 1961-2-2 822 Los Angeles Placerita Rd; small gully 2 mi E of Hwy 6 Comment
  UCR205838  Pellaea mucronata R. G. Swinney 2008-6-9 8972 Los Angeles San Gabriel Mtns., lower Sandrock Creek, 1.2 mi. SSW of Valyermo post office 1171 Comment
  RSA651027  Pellaea mucronata Ken Chapman, Glenn Harthorn, Don Lage 1949-5-3 s.n. Los Angeles San Dimas Canyon. 376 Comment
  UC1795033  Pellaea mucronata subsp. mucronata Ruth Kirkpatrick 2001-7-30 1079 Los Angeles San Gabriel Mountains at Red Box Picnic Area on Angeles Crest Hwy (Hwy 2), Angeles National Forest Red Box Station. Angeles Crest Hwy and Mount Wilson/Red Box 1432 Comment
  UCR145466  Pellaea mucronata subsp. mucronata L. C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mtns., Burkhart Trail toward Will Thrall Peak 1921 Comment
  UCR276792  Pellaea mucronata subsp. mucronata R. G. Swinney 2011-3-29 14254 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
  LA94173  Pellaea mucronata var. mucronata Lawrence L. Kiefer; 1966-3-6 1658 Los Angeles SANTA MONICA MOUNTAINS, Corral Canyon, ca 3.5 mi up Corral Canyon Rd. 579 Comment
  RSA686916  Pellaea mucronata var. mucronata L. E. Hoffman 1932-1-1 s.n. Los Angeles Pacoima Canyon, Los Angeles National Forest Comment
  CHSC99687  Pennisetum setaceum LeRoy Gross; Valerie Soza, Neil Gilbert 2000-10-18 284 Los Angeles Verdugo Mountains: Chandler Fire Road, above locked gate at corners of Olivia Terrace and Edmore Street, Sun Valley. Growing next to a concrete gutter. 365 Comment
  RSA450613  Pennisetum setaceum A. C. Sanders 1987-12-4 7578 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  UCR129395  Penstemon caesius Fordyce Grinnell Jr. 1918-7-9 s.n. Los Angeles San Gabriel Mtns., Mt. Islip ridge 2515 Comment
  NY583772  Penstemon centranthifolius C. B. Wolf 1936-5-27 7836 Los Angeles San Gabriel Mountains, Indian Canyon Camp, 2 miles off Soledad Canyon 914.4 Comment
  SDSU10928  Penstemon centranthifolius A. H. Gallup 1948-4-21 145 Los Angeles The 'Wash' Claremont. 366 Comment
  RSA650600  Penstemon centranthifolius C. R. Parks 1965-5-9 s.n. Los Angeles Along trail to Strawberry Peak, about 3 miles from Red Box Ranger Station, northwest of junction, Angeles Cres Hgwy and Mt. Wilson road, San Gabriel Mountains. 1677 Comment
  RSA0091525  Penstemon grinnellii R. G. Swinney 2010-9-9 13784 Los Angeles Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  POM128325  Penstemon grinnellii subsp. grinnellii George B. Grant 4594 Los Angeles Mt. Wilson. Comment
  NY601210  Penstemon grinnellii var. grinnellii F. A. MacFadden 1931-4-22 2633 Los Angeles Spunky Canyon Comment
  UCD124192  Penstemon grinnellii var. grinnellii Steve Mason; Helen M. Mason 1993-5-5 29 Los Angeles on Angeles Crest Hwy., 3.5 miles above Big Tujunga Canyon Road, above large parking area on southwest side of road, below water tank. 1798 Comment
  JEPS36103  Penstemon grinnellii var. scrophularioides Ernest C. Twisselmann 1964-6-10 9621 Los Angeles Fork at the head of Castaic Valley San Emigdio Range, Mt Pinos Region, Castaic Valley (San Emigdio Range and the Mt. Pinos Region) 1310 Comment
  NY601618  Penstemon heterophyllus var. australis T. S. Ross 1992-7-26 6782 Los Angeles North foot of RED MOUNTAIN on the south side of Ruby Canyon stream ca. 320-360 m west-northwest of Ruby Spring. Liebre Mountains. 783.3 Comment
  POM4264  Penstemon heterophyllus var. australis W. R. Dudley, F. H. Lamb 1896-6-8 4360 Los Angeles Kings Canyon, Liebre Mts. Comment
  RSA0031683  Penstemon spectabilis Jane Snyder 1966-5-10 14 Los Angeles San Rafael Hills. 213 Comment
  OBI53698  Penstemon spectabilis Kim Sheffron 1994-5-8 15 Los Angeles Santa Monica Mts, Las Virgenes Rd across from entrance to Camp David Gonzales on E side of rd Comment
  RSA482008  Penstemon spectabilis subsp. subviscosus Richard Noyes 1988-5-12 569 Los Angeles San Gabriel Mountains: San Antonio Canyon. One mile north of intersection of Mt. Baldy Road and Mountain Avenue 854 Comment
  RSA660104  Penstemon spectabilis subsp. subviscosus Orlando Mistretta 1992-6-12 565 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  RSA0060326  Pentagramma triangularis R. F. Thorne, A. C. Gibson 1971-5-22 39751 Los Angeles San Gabriel Mountains, Angeles National Forest: Fish Canyon. 396 Comment
  RSA687404  Pentagramma triangularis subsp. triangularis G. R. Proctor 1944-02 781 Los Angeles Sepulveda Canyon Comment
  RSA757339  Pentagramma triangularis subsp. triangularis Orlando Mistretta, Christine Mistretta 2008-4-8 2381 Los Angeles Along SCE transmission lines, about 1 mile SE of intersection of Transmission lines with Elizabeth lake Road 959 Comment
  UCR187137  Perideridia pringlei A. C. Sanders 2006-5-16 32307 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. west of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  CAS-BOT-BC73756  Peritoma arborea var. arborea Le Roy Abrams 1901-4-1 1215 Los Angeles Near Ballona Harbor Comment
  LA200256  Perityle emoryi Carl Epling; 1931-5-12 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA92221  Perityle emoryi F. W. Peirson 1951-1 1370 Los Angeles N of Santa Monica Comment
  SBBG12612  Perityle emoryi P. H. Raven 1962-4-12 17323 Los Angeles S of cyn below Tomb 137 Comment
  RSA42305  Phacelia austromontana Lincoln Constance 1941-6-25 2855 Los Angeles North side of Vincent Gulch 2134 Comment
  LA38556  Phacelia cicutaria var. hispida Carl Epling; 1931-4-25 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA11007  Phacelia cicutaria var. hispida Carl B. Wolf 1928-4-1 1622 Los Angeles Santa Susanna Pass, 0.5 miles from summit. 457 Comment
  UCR153982  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato 2005-4-26 29744 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita, south of Plum Canyon at end of Canyon Crest Dr., NW of mouth of Mint Canyon 488 Comment
  UCR280664  Phacelia cicutaria var. hispida R. G. Swinney 2014-5-21 16616 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  RSA74937  Phacelia davidsonii F. W. Peirson 1921-6-14 2826 Los Angeles San Gabriel Mountains. Pine Flats, headwaters of Tujunga Creek. 1677 Comment
  SD255770  Phacelia davidsonii R. G. Swinney 2011-6-22 15240 Los Angeles San Gabriel Mountains; Dvils Peak, SE of Doe Spring on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Highway. 1780 Comment
  RSA0116346  Phacelia distans R. G. Swinney 2010-5-21 12889 Los Angeles San Gabriel Mountains; unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1299 Comment
  SFV15354  Phacelia distans J. C. Dittes, C. Dittes 1990-3-31 59 Los Angeles San Gabriel Mountains Little Tujunga Canyon Road, opposite to entrance to Angeles National Forest shooting range. 396 Comment
  UCR223024  Phacelia distans R. G. Swinney 2009-4-29 10619 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  UCR271578  Phacelia distans R. G. Swinney 2011-6-23 15291 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  POM3771  Phacelia distans C. F. Baker 1909-5-15 5343 Los Angeles Mountains near Claremont. Comment
  RSA158285  Phacelia distans Peter H. Raven 1962-4-11 17306 Los Angeles Behind Northwest Harbor; San Clemente Island. 6 Comment
  RSA74143  Phacelia distans F. W. Peirson 1923-5-21 3512 Los Angeles South face of San Gabriel Mountains. Fish Canyon. 793 Comment
  RSA773012  Phacelia distans Robert F. Thorne 1963-5-15 31661 -b Los Angeles 1 mile W of Los Angeles Co. line on Route 138, ca. 2 miles W of Desert Springs 1220 Comment
  UCR269989  Phacelia fremontii R. G. Swinney 2010-5-19 12777 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  POM8647  Phacelia grandiflora P. A. Munz 1920-5-2 3832 Los Angeles San Dimas Canyon. 457 Comment
  UC73682  Phacelia grandiflora Geo. B. Grant May 1901 960 Los Angeles Garvanza Comment
  NY57339  Phacelia heterosperma S. B. Parish 06 1887 1980 Los Angeles Rock Creek, border Mohave Desert Comment
  RSA428002  Phacelia imbricata subsp. imbricata Elbert Benjamine 1929-5-26 193 Los Angeles San Dimas Canyon, San Gabriel Mountains. Comment
  POM8874  Phacelia imbricata subsp. imbricata W. R. Dudley, F. H. Lamb 1896-6-8 4380 Los Angeles Liebre Mts. Comment
  RSA629691  Phacelia longipes Scott D. White, Dave Bramlet 1998-8-11 7046 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
  UCR147540  Phacelia longipes Naomi Fraga, Et al. 2004-5-20 1200 Los Angeles Transverse Ranges; San Gabriel Mountains, North Fork of Lytle Creek, on slopes along north side of the canyon, northeast of Paiute Campground 1921 Comment
  UCR189390  Phacelia longipes R. G. Swinney 1998-6-12 6189 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
  PASA1334  Phacelia minor Ruth M. Evans 1931-3-15 Los Angeles Lone Hill, Glendora Comment
  RSA549196  Phacelia minor Tim S. Ross 1990-6-20 3681 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon 1256 Comment
  UCSB10393  Phacelia parryi Wedberg, H. 1957-4-6 Los Angeles Latigo Canyon mouth Comment
  UCR258951  Phacelia ramosissima R. G. Swinney 2010-5-11 12697 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
  RSA428160  Phacelia ramosissima var. austrolitoralis I. M. Johnston 1917-6-10 1322 Los Angeles Playa del Rey. Comment
  LA33797  Phacelia ramosissima var. latifolia Peter H. Raven; Henry J. Thompson 1959-6-4 14319 Los Angeles Santa Monica Mountains, Pt. Dume, behind the point 45 Comment
  RSA74162  Phacelia tanacetifolia F. W. Peirson 1920-3-28 2101 Los Angeles North slope of low hills at foot of Tujunga Canyon, w. end of San Gabriel Mountains. 457 Comment
  RSA177702  Phalaris aquatica R. F. Thorne, P. Everett 1965-5-10 34514 Los Angeles Near upper end of Gallagher Canyon; Santa Catalina Island 427 Comment
  SBBG108916  Phalaris lemmonii S. A. Junak 1997-4-22 SCl 849 Los Angeles Horton Cyn Rd, ca. 0.6 mi E of San Clemente Island Ridge Rd, at vernal pool area 466 Comment
  SEINET4182707 Image available Phalaris minor Carl B. Wolf 1932-5-14 3633 Los Angeles Santa Catalina Island. Avalon. Above the amphitheater. 61 Comment
  RSA0107861  Phalaris paradoxa Steven A. Junak, Mark Hoefs 1997-6-4 SCa- 423 Los Angeles Santa Catalina Island: Along S side of Upper Buffalo Corral Reservoir. 188 Comment
  RSA350913  Pholisma paniculatum B. C. Templeton, Pierce, Pool 1938-8-10 4588 Los Angeles El Segundo Comment
  CATA1461  Pholistoma auritum Mark L. Hoefs, Robert F. Thorne 1996-4-6 2645 Los Angeles Santa Catalina Island: Renton Mine Road 243 Comment
  CATA985  Pholistoma auritum Mark L. Hoefs 1994-5-21 1857 Los Angeles Santa Catalina Island: Near upper Renton Mine Road 252 Comment
  CSUSB125  Pholistoma auritum Dick Bernier 1966-4-3 Los Angeles 500 yards along a woodland canyon at the end of 14th Street in Puente Hills. 213 Comment
  SD75545  Pholistoma auritum var. auritum Reid Moran 1941-3-7 684 Los Angeles Santa Catalina Island, Middle Ranch 199 Comment
  RSA518009  Pholistoma membranaceum Steve Boyd, Orlando Mistretta 1986-3-31 1545 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  RSA592268  Pholistoma membranaceum Louis C. Wheeler 1967-5-12 9490 Los Angeles San Gabriel Mountains. Ravine south of summit 4174, east of Vincent. 1250 Comment
  LA200866  Phoradendron macrophyllum Carl Epling; L. Ellison 1929-4-27 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  UCR129667  Phoradendron pauciflorum Del Wiens 1953-12-10 882 Los Angeles San Gabriel Mtns., Crystal Lake area 1677 Comment
  UCR276878  Phoradendron tomentosum subsp. tomentosum R. G. Swinney 2011-10-13 15804 Los Angeles San Gabriel Mountains, Chilao Flat, FS road crossing of Chilao stream, east of Chilao Visitors Center and west of Hwy 2 1622 Comment
  PASA75  Phoradendron villosum Margaret Stason 1931-4-18 Los Angeles Crystal Lake Comment
  POM308928  Phoradendron villosum K. H. B. 1944-1-10 686 Los Angeles Parking lot near Tanbark Flats, San Dimas Experimental Forest, Angeles National Forest. Altitude 2500 feet. 762 Comment
  UC306120  Phoradendron villosum I. M. Johnston 1917-8-23 1719 Los Angeles San Antonio Mts., Prairie Fork of San Gabriel R. 1432 Comment
  RSA0072461  Photinia arbutifolia var. macrocarpa F. R. Fosberg 1931-12-11 7158 Los Angeles Gallaghers Beach, Santa Catalina Island. 2 Comment
  POM3999  Phyla lanceolata L. R. Abrams 1901-6-11 1749 Los Angeles New River near Long Beach. Comment
  RSA456539  Phyllospadix scouleri Robert F. Thorne 1966-4-15 36012 Los Angeles San Clemente Island. Upper edge of boulder beach and base of rocky bluff, c. 1/2 mile SSE of Eel Point, SW side of island. Comment
  RSA684041  Phyllospadix torreyi E. Yale Dawson 1958-5-22 19158 Los Angeles Latigo shore Road, Malibu beach. Station no 19. 320 ft from shore base point. Comment
  CDA5825  Physalis lancifolia L. C. Wheeler 1931-7-23 Los Angeles 2 miles north of Claremont. 0 Comment
  UC284245  Pinus flexilis P. A. Munz 1933-7-13 7672 Los Angeles ridge s of Swartout Valley (n edge of ridge); San Gabriel Mts. 2590 Comment
  RSA169028  Pinus jeffreyi Mark Parratt 1964-2-6 605 Los Angeles Table Mountain, Table Mountain Campground area; N-facing slope 3 miles north of Big Pines Ranger Station, Angeles National Forest 2195 Comment
  UCR190109  Pinus lambertiana R. G. Swinney 1998-8-27 6791 Los Angeles San Gabriel Mtns., ridge due north of Big Horn Ridge and south of San Antonio Ridge, 7625 ft. high spot on ridge above Coldwater Canyon 2325 Comment
  UCR41024  Pinus monophylla R. J. Rodin 1953-5-17 5825 Los Angeles Western Transverse Range, near main highway c. 3 mi south of Gorman Comment
  RSA522938  Piptatherum miliaceum Timothy S. Ross, Orlando Mistretta 1990-10-24 3301 Los Angeles near mouth of Susanna Canyon 472 Comment
  RSA600031  Plagiobothrys arizonicus Steve Boyd, Lauren Raz 1997-3-25 9251 Los Angeles Liebre Mountains region, extreme NW corner of the range in Peace Valley, small side canyon just east of Interstate 5 off Copco Road. 951 Comment
  RSA595688  Plagiobothrys arizonicus L. C. Wheeler 1967-5-8 9336 b Los Angeles San Gabriel Mts [Liebre Mtns]between Bouquet Junction and Bonelli Ranch. 396 Comment
  UCR126720  Plagiobothrys canescens A. C. Sanders, Mark Elvin 2003-4-14 25948 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
  UCR186965  Plagiobothrys canescens A. C. Sanders 2006-4-10 32014 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
  UCR47707  Plagiobothrys canescens F. R. Fosberg 1928-4-11 S- 00200 Los Angeles Puente Hills, San Dimas 290 Comment
  UC882314  Plagiobothrys canescens var. catalinensis F. R. Fosberg 1931-3-24 S 4351 Los Angeles Hamilton Canyon Santa Catalina Island 2 Comment
  RSA616155  Plagiobothrys collinus var. fulvescens Valerie L. Soza 1998-5-3 91 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, along southern edge of pHake Lake. 411 Comment
  SD240931  Plagiobothrys leptocladus Dave Silverman 2010-5-18 7997 Los Angeles Antelope Valley, N of lancaster, 100 m W of Sierra Highway, 570 m S of Avenue A. one km N of Avenue B. 704 Comment
  LA200739  Plantago erecta Jonathan Sauer; H. N. Sauer 1975-4-29 5653 Los Angeles 7 Comment
  POM243770  Plantago erecta F. R. Fosberg 1931-4-23 S- 4689 Los Angeles Santa Catalina Island. Headwaters of Swain's Canyon, NE slopes of Black Jack Mountain. 350 Comment
  RSA249730  Plantago erecta Robert F. Thorne, M. Z. Thorne 1973-2-12 42475 Los Angeles Santa Catalina Island. N of Marine Science Station at Fisherman's Cove. 46 Comment
  LA82074  Plantago erecta M. Zartlin; 1951-4-8 sn Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  RSA401976B  Plantago erecta Anstruther Davidson 1917-1 3172 Los Angeles Altadena Comment
  UCR240019  Plantago major R. G. Swinney 2009-11-9 11591 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
  RSA643426  Plantago major B. Pitzer, P. Gomez 1996-4-28 2751 Los Angeles Harbor City/ City of Wilmington, Harbor Regional Park, at intersection of Pacific Coast Highway (St. Hwy) and Vermont Ave. Comment
  POM49324  Plantago ovata var. insularis L. W. Nuttall 1920-6-8 s.n. Los Angeles Santa Catalina Island. Comment
  JEPS15503  Plantago virginica Peter H. Raven 1956-6-17 9400 Los Angeles Westwood Comment
  RSA382863  Platanthera leucostachys Louis E. Hoffman 1932-8-14 s.n. Los Angeles Mt. Islip, Angeles National Forest. 2439 Comment
  SEINET12036344  Platanus racemosa Unknown 1936-1 12733 Los Angeles near Santa Monica Comment
  JEPS51622  Platystemon californicus Mrs. Harriet P. Kelley 1919-3-23 Los Angeles sent from Selma Comment
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Jun 12 2012
  SEINET3162997  Platystemon californicus G. B. Grant 1008 Los Angeles Pasadena Comment
  UCR222657  Plecostachys serpyllifolia R. E. Riefner Jr. 2009-6-9 09- 108 Los Angeles South Coast, city of Malibu, c. 0.2 mi. east of La Piedra State Beach 6 Comment
  RSA0086545  Plectritis ciliosa R. G. Swinney 2011-5-3 14558 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  SBBG94215  Pluchea sericea F. R. Fosberg 1931-4-3 4479 Los Angeles Pebbly Beach 2 Comment
  UC1070064  Pluchea sericea A. D. Gifford 1935-5-8 681 Los Angeles junction of Castaic and Elizabeth Lake Canyon; Tejon Quad. 396 Comment
  RSA127957  Poa secunda H. J. Thompson 1959-3-27 1887 Los Angeles Santa Monica Mountains: 0.5 mile east of peak, Saddle Peak, 701 Comment
  RSA484163  Poa secunda George R. Johnstone 1929-4-4 18609 Los Angeles Angeles National Forest. Pleasant View Ridge. 1677 Comment
  RSA484208  Poa secunda P. A. Munz 1949-4-26 13086 Los Angeles Near Phelan, Mojave Desert 945 Comment
  RSA484249  Poa secunda George R. Johnstone 1926-4-24 s.n. Los Angeles Shoemaker Canyon Comment
  RSA715216  Poa secunda Gary D. Wallace, Bob Gustafson, Dave Minor, M. Wallace, F. Runyon, B. Birdsal 1982-4-26 1951 Los Angeles Fort Tejon Road. Comment
  CAS-BOT-BC236186  Poa secunda subsp. secunda 1900-4-11 s.n. Los Angeles Mount Lowe Comment
  CAS-BOT-BC236209  Poa secunda subsp. secunda Peter H. Raven; Henry J. Thompson 1959-5-5 14146 Los Angeles Santa Monica Mountains. Mulholland Highway 1 mile W of Las Virgenes Road, Malibu Creek drainage 274 Comment
  POM1240  Poa secunda subsp. secunda I. M. Johnston 1917-5-6 1014 Los Angeles open place on Canyon floor 2133 Comment
  RSA653864  Polycarpon tetraphyllum Valerie L. Soza, LeRoy Gross, Adelina Munoz 2000-5-12 883 Los Angeles Verdugo Mountains, northeast side: Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. Fire road south from Engleheard Canyon to powerlines. 396 Comment
  RSA65560  Polycarpon tetraphyllum F. W. Peirson 1931-5-25 9376 Los Angeles At 1077 New York Ave. Altadena. Comment
  RSA250081  Polygonum arenastrum Robert F. Thorne, C. W. Tilforth, S. Nilsson 1972-7-20 42181 Los Angeles SAN GABRIEL MTS., ANGELES NATIONAL FOREST: Jackson Lake 1875 Comment
  UCR123628  Polygonum aviculare A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25480 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals 335 Comment
  CAS-BOT-BC413999  Polygonum aviculare subsp. aviculare Timothy S. Ross; Steve Boyd 1994-9-20 8255 Los Angeles Liebre Mountains. Upper Bouquet Canyon: ca 2225 m WSW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet Reservoir, along Bouquet Canyon Road 993 Comment
  RSA466393  Polygonum convolvulus Anstruther Davidson 1890-07 s.n. Los Angeles Los Angeles. Comment
  UCR119234  Polygonum lapathifolium Jeremiah George 2001-8-26 s.n. Los Angeles South Coastal Plains Region, Manhattan Beach, 869 17th St. 12 Comment
  RSA0056362  Polygonum lapathifolium Jim Shevock 1970-9-12 458 Los Angeles Malibu Canyon Creek. 304 Comment
  RSA66322  Polygonum lapathifolium F. W. Peirson 1924-8-23 5051 Los Angeles West Fork of San Gabriel River. 412 Comment
  CAS-BOT-BC71897  Polypodium californicum J. H. Thomas 1949-2-22 7 Los Angeles near northeast end of San Clemente Island 38 Comment
  POM158007  Polypodium californicum M. B. Dunkle 1928-3-11 1720 Los Angeles Silver Canyon, Santa Catalina Island 168 Comment
  RSA689903  Polypodium californicum Elbert Benjamine 1929-2-10 s.n. Los Angeles Arroyo Seco, above Pasadena Comment
  RSA689909  Polypodium californicum Donald R. Bissing 1973-6-2 164 Los Angeles Evey Canyon; San Gabriel Mountains. 707 Comment
  UCR194273  Polypodium californicum R. G. Swinney, Dave Larson 1999-6-25 7396 Los Angeles San Gabriel Mtns., Fern Canyon at falls, c. 1.7 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  UCR198389  Polypodium californicum Valerie Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 666 Los Angeles Transverse Ranges; Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. Southsouthwest of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 549 Comment
  UCR216371  Polypodium californicum Dan S. Cooper 2010-5-10 510- 48 B Los Angeles Western Transverse Range; eastern Santa Monica Mtns., upper Oak Canyon, Griffith Park 221 Comment
  UCSB62421  Polypodium californicum Kendall, M. 1921-1-30 Los Angeles San Jose Hills Comment
  RSA150858  Polypodium californicum P. H. Raven 1962-4-12 17329 Los Angeles San Clemente Island: canyon south of canyon below the Tomb, west side of Island 229 Comment
  UCSB62400  Polypodium californicum Kendall, M. 1921-2-13 Los Angeles Puddingstone Canyon Comment
  CAS-BOT-BC233089  Polypogon interruptus Geo. B. Grant 1904-6-10 6121 Los Angeles [Sherman?] Comment
  SEINET2473485 Image available Polypogon interruptus Richard G. Swinney 2009-4-17 10390 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. 210 Comment
  RSA596221  Polypogon viridis Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3400 Los Angeles San Gabriel Mountains, Little Rock Creek: on SW side of Little Rock Creek reservoir 997 Comment
  SEINET3152570  Polystichum imbricans subsp. curtum M. E. Jones 1882-2-27 sn Los Angeles Pasadena Comment
  UC812009  Polystichum imbricans subsp. curtum Marcus E. Jones, A. M. 1882-2-27 3032 Los Angeles Pasadena Comment
  RSA729739  Polystichum imbricans subsp. imbricans R. G. Swinney 1998-6-16 6975 Los Angeles San Gabriel Mtns.: c. 0.6 mi. north of Cow Cnyon Saddle (Glendora Ridge Rd. at Cow Canyon Rd.) near trail to Lookout (Antonio) Mtn. 1524 Comment
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Mar 14 2010
  RSA277973  Populus balsamifera subsp. trichocarpa F. C. Boutin 1965-5-13 s.n. Los Angeles Around old cabin sites, just below where TT crossed stream, Haines Canyon, above Tujunga, San Gabriel Mountains. Comment
  UCR193565  Populus fremontii R. G. Swinney 1999-6-28 7432 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, near old [abandoned] homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  UC455292  Populus trichocarpa I. J. Condit 1908-6-29 Los Angeles Catalina Island Comment
  RSA605816  Portulaca oleracea L. C. Wheeler 1966-10-27 9097 Los Angeles San Gabriel Mountains: Rincon Ranger Station. Comment
  UCR223376  Potentilla glandulosa R. G. Swinney 2009-7-23 11390 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
  SD65468  Potentilla glandulosa subsp. reflexa Reid Moran 1967-7-22 14094 Los Angeles canyon south of Chilao, San Gabriel Mountains 1550 Comment
  RSA34905  Prunus fasciculata var. fasciculata D. F. Howe 1947-5-6 s.n. Los Angeles North face San Gabriel Mountains. Comment
  RSA0094719  Prunus ilicifolia R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14342 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
  SBBG39238  Prunus ilicifolia subsp. lyonii M. B. Dunkle 1939-4-3 7243 Los Angeles Chenetti Cyn 9 Comment
  UCSC000947  Prunus virginiana subsp. demissa Peter Kamb 1947-6-13 605 Los Angeles East slope of Mt. San Antonio Mt. San Antonio - San Gabriel 2865 Comment
  CAS-BOT-BC356560  Pseudognaphalium biolettii Carl B. Wolf 1932-5-9 3429 Los Angeles Santa Catalina Island. 1/2 mi. from Avalon on road to Pebbly Beach 7 Comment
  UC483205  Pseudognaphalium biolettii L. R. Abrams and I. L. Wiggins 1931-7-6 375 Los Angeles vicinity Mosquito Harbor; San Clemente Island Comment
  CATA1138  Pseudognaphalium luteoalbum Mark L. Hoefs 1995-5-23 2128 Los Angeles Santa Catalina Island: Middle Canyon at Thompson Reservoir 195 Comment
  CAS-BOT-BC357043  Pseudognaphalium luteoalbum Robert F. Thorne; Reed Rollins; D. Propst; R. Carolin 1967-3-19 36766 a Los Angeles Santa Catalina Island: lower end of Toyon Canyon 45 Comment
  CAS-BOT-BC357623  Pseudognaphalium stramineum Geo. B. Grant 1900-3-29 s.n. Los Angeles Avalon Comment
  CAS-BOT-BC357543  Pseudognaphalium stramineum E. Braunton March 865 Los Angeles Playa Comment
  CAS-BOT-BC80067  Pseudotsuga macrocarpa W. R. Dudley; F. H. Lamb 1896-6-8 4362 Los Angeles King's Canyon, Liebre Mountains Comment
  UC1134172  Pseudotsuga macrocarpa A. D. Gifford 1935-3-15 476 Los Angeles 3 mi w of Warm Springs; Angeles National Forest, Tejon Quadrangle 1188 Comment
  RSA625160  Psilocarphus tenellus var. tenellus L. C. Wheeler 1973-5-6 s.n. Los Angeles San Gabriel Mountains: Near the mouth, east side Little Tujunga, near BM. 1227 396 Comment
  RSA641207  Pteridium aquilinum var. pubescens L. C. Wheeler 1967-7-6 9931 Los Angeles San Gabriel Mountains: San Dimas Canyon 518 Comment
  UCD136173  Pteridium aquilinum var. pubescens Louis C. Wheeler 1964-6-8 8480 Los Angeles San Gabriel Mountains, Burbank Canyon, W of Thompson Creek Dam. Comment
  UCR277169  Pteris multifida R. E. Riefner Jr. 2015-8-15 15- 228 Los Angeles South Coast, city of Los Angeles, Pacific Palisades, north side of Pacific Coast Hwy at Porto Marina Way near the PCH pedestrian bridge crossing 11 Comment
  UCR189384  Pteris vittata R. G. Swinney 1998-6-9 6180 Los Angeles San Gabriel Mtns., Fish Canyon at Fish Canyon Falls, 4.5 miles north of Fish Canyon Rd. at trail head 427 Comment
  RSA187820  Pterostegia drymarioides Robert F. Thorne 1966-4-7 35966 Los Angeles Santa Catalina Island: in canyon bottom, Cherry Valley 61 Comment
  UCR277208  Pterostegia drymarioides R. G. Swinney 2010-5-25 12949 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA601427  Pterostegia drymarioides Louis C. Wheeler 1933-8-27 1662 Los Angeles San Pedro Hills. 305 Comment
  RSA401593B  Pycnanthemum californicum Geo. L. Moxley 1915-9-6 449 Los Angeles Spanish canyon, NE from Monrovia. Comment
  CAS-BOT-BC45794  Quercus George B. Grant; Walter Wheeler 1904-4-21 6251 Los Angeles Santa Catalina Island Pacific Ocean of Southern California, at Isthmus Comment
  CAS-BOT-BC45823  Quercus F. Grinnell Jr. 1917-9-17 s.n. Los Angeles Pasadena Comment
  UC848121  Quercus I. W. Clokey 1930-9-11 5327 Los Angeles 1635 Laurel St, South Pasadena South Pasadena Comment
  LA43669  Quercus agrifolia Carl Epling; 1930-3-8 sn Los Angeles Santa Monica Mountains, Mandeville Canyon Comment
  CAS-BOT-BC45716  Quercus agrifolia S. Y. Parnay no date s.n. Los Angeles Encino 914 Comment
  RSA655353  Quercus berberidifolia LeRoy Gross 2000-11-4 320 Los Angeles Verdugo Mountains: Trail at end of Morning Glow, past Sunglow Way,east off La Tuna Canyon Road, Sun Valley. 396 Comment
  UCR252566  Quercus berberidifolia R. G. Swinney 2010-6-21 13259 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 671 Comment
  UCSB68624  Quercus berberidifolia Gross, LeRoy 2000-11-12 Los Angeles Verdugo Mountains: Green Verdugo Fire Road, off Sunland Blvd. just west of 210 freeway 411 Comment
  UCSB72066  Quercus berberidifolia Gross, LeRoy 2000-11-4 Los Angeles Verdugo Mountains: Trail at end of Morning Glow, past Sunglow Way, east off La Tuna Canyon Road, Sun Valley 396 Comment
  RSA476890  Quercus chrysolepis L. E. Hoffman 1934-7-24 s.n. Los Angeles Arroyo Seco Canyon. Angeles Forest. Comment
  UC1135413  Quercus chrysolepis H. S. Yates 1936-8-28 6363 Los Angeles Big Pine Park San Antonio Quad. 1981 Comment
  CHSC96046  Quercus durata var. gabrielensis LeRoy Gross 2000-10-28 307 Los Angeles Verdugo Mountains: Beaudry fire road north of Radio Towers, west of head of Deer Creek. 762 Comment
  RSA23360  Quercus durata var. gabrielensis Annetta Carter 1940-1-11 1489 a Los Angeles ridge northeast on head of Baldwin Avenue, Sierra Madre, foothills of the San Gabriel Mountains 335 Comment
  RSA573420  Quercus durata var. gabrielensis Louis C. Wheeler 1931-11-8 337 Los Angeles Mouth Liveoak canyon 404 Comment
  RSA733153  Quercus durata var. gabrielensis Susan Grose, L. Braccio, L. Gross 2007-11-11 190 Los Angeles Pasadena, Oak Grove Park. 299 Comment
  POM285649  Quercus engelmannii Lyman Benson, Robert Benson 1951-10-15 14801 Los Angeles Northeast corner of Rancho road and Foothill Blvd. Arcadia. alt. 800 [ft?] 244 Comment
  RSA748522  Quercus engelmannii Justin M. Wood 2009-4-13 499 Los Angeles Foothills above the city of Sierra Madre, 'one carter estates' at the end of Baldwin Ave. 49 Comment
  CAS-BOT-BC489843  Quercus engelmannii Ora Melvin Clark 1928-12-8 1361 Los Angeles E. Pasadena Comment
  UCR214602  Quercus ilex A. C. Sanders, Dan S. Cooper 2010-4-30 38124 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  POM153297  Quercus john-tuckeri P. A. Munz 1928-9-5 11182 Los Angeles Rock Creek to Big Pines. 1220 Comment
  UCR124556  Quercus john-tuckeri B. C. Templeton 1932-8-26 5106 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2088 Comment
  UCSB60798  Quercus john-tuckeri Muller, Cornelius 1945-3-20 Los Angeles 4 mi. S of Caswell (ca. 9 mi. S of Gorman) Comment
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Jun 17 2014
  CAS-BOT-BC61501  Quercus lobata Peter H. Raven; Henry J. Thompson 1959-4-3 13922 Los Angeles slopes just east of Malibu Junction. Santa Monica Mountains 243 Comment
  UC848097  Quercus lobata Carl B. Wolf 1932-10-19 Los Angeles 0.25 mi s Santa Clara River (Ridge Route Road) 365 Comment
  POM49285  Quercus pacifica L. W. Nuttall 1920-5-18 s.n. Los Angeles Santa Catalina Island. Comment
  SBBG111476  Quercus pacifica J. M. Tucker 1992-3-29 Los Angeles just E of Haypress Reservoir, roughly 1.75 mi NW of Avalon 396 Comment
  UC405474  Quercus pacifica R. L. Pendleton 1909-7-3 1386 Los Angeles s of Avalon; Santa Catalina Island 152 Comment
  UC5846  Quercus pacifica Dr. A. Davidson 1895-1 Los Angeles Catalina Island Comment
  UCR141312  Quercus tomentella R. F. Thorne 1971-5-18 41361 Los Angeles Santa Catalina Island, Upper part of West Fork of Gallagher Canyon 381 Comment
  UC1135905  Quercus wislizeni var. frutescens R. St. John 1930-2-6 87 Los Angeles Oat Mountain Santa Susana Quad. 1066 Comment
  SEINET3152709  Ramona grandiflora G. B. Grant 1104 Los Angeles Pasadena Comment
  UCSB34480  Ranunculus aquatilis var. diffusus Cummings, Chuck 1965-4-27 Los Angeles Above Little Rock Dam 1066 Comment
  RSA0051612  Ranunculus californicus Bruce Haines 1962-3-11 27 Los Angeles 5 miles North of the Pacific Ocean on California HIghway 27, Topanga. 274 Comment
  CAS-BOT-BC378875  Ranunculus californicus var. californicus LeRoy Abrams 1899-4-1 265 Los Angeles Cierrega Comment
  RSA400239  Ranunculus cymbalaria subsp. saximontanus A. Menke 1955-4-23 s.n. Los Angeles Dry Canyon. Comment
  UCR172458  Ranunculus cymbalaria var. saximontanus Anuja Parikh, Nathan Gale 2005-7-20 2146 Los Angeles Santa Susanna Mtns., Newhall Ranch, uppermost Potrero Canyon, study area 21 488 Comment
  SBBG131515  Raphanus sativus S. A. Junak 2000-5-18 SCa 1301 Los Angeles N side of N Shore Rd, 0.6 mi E of turn-off for Howland's Landing 39 Comment
  UCR108388  Rhamnus californica L. C. Wheeler 1961-6-13 7880 Los Angeles San Gabriel Mtns., Pacoima Canyon near Dutch Louie Camp 716 Comment
  UCR223544  Rhamnus californica R. G. Swinney 2009-6-2 11005 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UCR130585  Rhamnus californica subsp. californica R. E. Riefner Jr. 2000-8-29 00- 755 Los Angeles Western Transverse Range; Verdugo Mtns., La Tuna Canyon, Verdugo Mtns. Conservancy Park, second canyon at picnic stop along La Tuna Canyon Rd. 2.5 miles south of 210 Freeway exit 462 Comment
  CAS-BOT-BC59973  Rhamnus crocea L. R. Abrams 1901-4-6 1370 Los Angeles Big Tajunga Wash. Comment
  LA207789  Rhamnus crocea Paul Gripp; May 1954 sn Los Angeles Mt. Gleason Rd., Tujunga Comment
  UCR154220  Rhamnus crocea A. C. Sanders, T. B. Salvato 2005-5-24 30251 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon NW of community of Mint Canyon, tributary of Santa Clara River 518 Comment
  CAS-BOT-BC55975  Rhamnus ilicifolia Timothy S. Ross; J. Mark Porter 1995-5-4 8413 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. USGS 7.5' Green Valley Quadrangle 585 Comment
  RSA0057917  Rhamnus ilicifolia Richard G. Swinney 2010-3-30 12123 Los Angeles San Gabriel Mountains: Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway. 207 Comment
  RSA199020  Rhamnus ilicifolia W. M. Gauntt 1966-4-16 153 Los Angeles Junction of Glendora Mt. Road and San Gabriel Canyon Road. 915 Comment
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Jun 16 2014
  RSA39860  Rhamnus ilicifolia W. R. Dudley, F. H. Lamb 1896-6-7 4363 Los Angeles Kings Ca - on, Antelope Valley. Comment
  RSA527724  Rhamnus ilicifolia Tim S. Ross, Annette H. Ross 1991-3-7 4154 Los Angeles Elephant Hill: Western Pomona. 341 Comment
  RSA187801  Rhamnus pirifolia Robert F. Thorne 1966-9-16 36718 Los Angeles Santa Catalina Island, Renton Mine Road, near upper end Pebbly Beach Canyon 259 Comment
  UC1215183  Rhamnus pirifolia Peter H. Raven 1962-5-9 17683 Los Angeles near head of canyon above Mosquito Cove (San Clemente Island); , near head of canyon above Mosquito Cove 274 Comment
  UC592851  Rhamnus pirifolia Carl B. Wolf 1932-10-5 Los Angeles 1 mi from Middle Ranch (on road to Black Jack Peak); Santa Catalina Island 274 Comment
  POM175480  Rhamnus tomentella subsp. cuspidata F. W. Peirson 1919-6-15 727 Los Angeles Rock Creek, north slope of San Gabriel Mountains. 1296 Comment
  RSA0073380  Rhus aromatica R. G. Swinney 2010-6-8 13181 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 1.0-1.8 miles east of nature center along Placerita Cyn. Trail, south side of stream. 494 Comment
  UCR270462  Rhus aromatica R. G. Swinney 2011-5-12 14684 Los Angeles San Gabriel Mountains, east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  RSA386489  Rhus integrifolia L. E. Hoffman 1932-2-6 s.n. Los Angeles Hermon Hills, Ave. 57. Comment
  SBBG90428  Rhus integrifolia M. C. Hochberg 1985-4-7 1208 Los Angeles W of Empire Landing, Little Springs Cyn 243 Comment
  UCR13460  Rhus integrifolia 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
  UCR152540  Rhus integrifolia A. C. Sanders, Lee Jones 2005-4-8 29356 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  UCSB18275  Rhus integrifolia Oliver, Lois 1964-3-23 Los Angeles George F. Canyon, 500 feet W of Palos Verdes Drive East, Rolling Hills estates 134 Comment
  UCR133732  Rhus laurina F. R. Fosberg 1931-7-10 S- 5373 Los Angeles Channel Islands, Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island 180 Comment
  CAS-BOT-BC167957  Rhus ovata Carl B. Wolf 1927-7-27 684 Los Angeles Ridge Route Road, 2 mi. so. of Forest Inn Comment
  LA94278  Rhus ovata Carl Epling; H. Anderson 1930-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon Comment
  RSA653520  Rhus ovata LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 282 Los Angeles Verdugo Mountains: Saddle where Stough Canyon Mountainway and Verdugo Mountainway meet 610 Comment
  RSA658604  Rhus ovata Marianne Marshall 1981-4-26 11 Los Angeles 0.75 mi N of fire station, East Fork of San Gabriel River on Hiking trail. off E side of trail. Comment
  UC1130520  Rhus ovata A. D. Gifford 1935-5-8 686 Los Angeles 2 1/2 mi s Warm Spring; Angeles National Forest 487 Comment
  UCR213352  Rhus ovata Justin M. Wood 2009-3-13 359 Los Angeles city of Claremont, southwest corner of Claremont Blvd and Fothill Blvd. Open space area on the campus of Pitzer College 401 Comment
  SEINET12234001  Rhus ovata H. W. Graham 1927-1 9- 9 -46 Los Angeles Along trail and road from Mt. Lowe Tavern, Mt. Lowe to observatory on Mt. Wilson, near Los Angeles Comment
  RSA670440  Rhus trilobata I. W. Clokey, B. Templeton 1929-04 4451 Los Angeles Mandeville Canyon, Santa Monica Mts. 350 Comment
  POM2779  Rhus trilobata var. pilosissima Anonymous 1912-06 s.n. Los Angeles Claremont Comment
  CAS-BOT-BC92290  Ribes amarum Louis C. Wheeler 1936-3-8 4082 Los Angeles San Gabriel Mountains. Arroyo Seco. 457 Comment
  LA205467  Ribes amarum Louis Wheeler; 1932-3-20 525 Los Angeles San Gabriel Mountains, San Dimas Canyon 533 Comment
  RSA247303  Ribes amarum G. D. Wallace 1966-3-25 208 Los Angeles Millard Canyon, N of Altadena. 457 Comment
  SBBG70985  Ribes aureum var. gracillimum M. N. Ackley -Jan-1926 994 Los Angeles Verdugo Rd, Glendale 213 Comment
  UCR70843  Ribes aureum var. gracillimum L. C. Wheeler 1932-5-4 681 Los Angeles San Gabriel Valley, San Gabriel Wash 107 Comment
  SBBG27522  Ribes californicum I. W. Clokey, B. Templeton -Mar-1929 4472 Los Angeles Mandeville Cyn 91 Comment
  UC535507  Ribes californicum var. hesperium Ira W. Clokey, B. Templeton Mar. 1929 4472 Los Angeles Mandeville Canyon Santa Monica Mountains 300 Comment
  POM92201  Ribes californicum var. hesperium George B. Grant 1906-2-21 s.n. Los Angeles Santa Anita Canyon. 762 Comment
  CAS-BOT-BC6065  Ribes hesperium Alfred James McClatchie s.n. Los Angeles San Gabriel Mts, near Pasadena Comment
  POM319102  Ribes indecorum Patricia Wilder 1972-2-25 5365 Los Angeles Baseline St. Just W of the Los Angeles-San Bernardino Co line. On N side of the street. San Gabriel mtn range. Santa Ana River drainage area. 488 Comment
  RSA522326  Ribes indecorum Steve Boyd 1990-2-3 3820 Los Angeles San Gabriel Mountains, base of range at Padua Hills, just W of mouth of San Antonio Canyon. Comment
  RSA640253  Ribes indecorum Robert F. Thorne 1971-3-25 41505 Los Angeles San Gabriel Mountains: Lower Evey Canyon off San Antonio Canyon 716 Comment
  UCR198325  Ribes indecorum Gary Kovnat, LeRoy Gross 2003-1-19 03 Los Angeles Transverse Ranges; San Gabriel Mountains region, Angeles National Forest, Gold Creek Ecological Preserve, south terrace south descending trail Comment
  RSA0025046  Ribes indecorum Louis C. Wheeler 1933-3-4 1510 Los Angeles Claremont. 389 Comment
  UC1018201  Ribes malvaceum J. Warren 1952-3-15 222 Los Angeles Mt. Baldy 914 Comment
  SD215555  Ribes malvaceum var. malvaceum Tim Ross, Peter Fritsch 1990-6-20 3646 Los Angeles Rincon Red Box Road (1N24) 2.6 miles below Pine Mountain junction; 80 degrees ENE, ca. 1720 meters distant from Pine Mountain (4539'). 1032 Comment
  RSA180085  Ribes malvaceum var. viridifolium Peter H. Raven 1962-5-10 17711 a Los Angeles North of Thirst, San Clemente Island. 305 Comment
  CAS-BOT-BC412  Ribes montigenum Alfred James McClatchie 1893-8-16 s.n. Los Angeles Summit of Mt. San Antonio 3048 Comment
  RSA264157  Ribes nevadense W. Wisura 1977-6-17 3681 Los Angeles Along trail to Blue Ridge. Comment
  UC212585  Ribes nevadense I. M. Johnston 1403 Los Angeles San Antonio Canyon San Antonio Mountains 1676 Comment
  UCR210139  Ribes nevadense R. G. Swinney 2008-8-13 9388 Los Angeles San Gabriel Mtns., Big Rock Creek, 1.3 mi. east of Fenner Canyon 1860 Comment
  LA205542  Ribes quercetorum Harvey Anderson; 1932-3-14 sn Los Angeles Tejon Ranch Comment
  OBI36779  Ribes quercetorum David J. Keil 1980-3-27 13745 Los Angeles 1 mi E of Ridge rte on Pine Cyn rd (L.A. County rd N-2) 1189 Comment
  POM96335  Ribes quercetorum P. A. Munz 1926-4-4 s.n. Los Angeles 1 mile north of Elizabeth Lake. Comment
  RSA0023186  Ribes quercetorum Steve Boyd, T. S. Ross 1997-3-21 9211 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  RSA79211  Ribes roezlii G. R. Campbell 1952-6-28 17286 Los Angeles South slope Mt. (''Baldy'') San Antonio. 2500 Comment
  CAS-BOT-BC173939  Ribes viburnifolium Brandegee s.n. Los Angeles Santa Catalina Comment
  UC11666  Ribes viburnifolium Blanche Trask 1896-2 Los Angeles Avalon Santa Catalina Island Comment
  RSA602478  Rorippa curvisiliqua Scott D. White 1997-5-8 5094 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir. 365 Comment
  RSA209537  Rosa californica C. W. Tilforth 1969-6-8 202 Los Angeles East of Colima Ave. between Whittier and West Covina in Puente Hills. Comment
  UCR101306  Rubus ulmifolius var. inermis L. C. Wheeler 1969-12-22 s.n. Los Angeles Transverse Range; San Gabriel Mtns., Big Santa Anita Canyon at Winter Creek 549 Comment
  CAS-BOT-BC421760  Rumex conglomeratus Alice Eastwood 1906-5-27 87 Los Angeles Country adjacent to Los Angeles. Bimini Baths Comment
  UCR100621  Rumex crispus B. G. Pitzer 1996-5-5 2866 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
  LA52274  Rumex fueginus Louis Wheeler; 1932-9-19 1394 Los Angeles 121 Comment
  CAS-BOT-BC433927  Rumex salicifolius Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-25 3814 Los Angeles San Gabriel Mountains. Vicinity of Crystal Lake 1700 Comment
  SBBG13787  Rumex salicifolius M. A. Piehl 1962-10-3 62500 Los Angeles Echo Lake Comment
  UCR224371  Salazaria mexicana Justin M. Wood 2010-5-10 1641 Los Angeles San Gabriel Mountains, vicinity of Littlerock Creek, just southwest of intersection of Chesebro Road and Mt. Emma Road 973 Comment
  SEINET10869900  Salazaria mexicana David B. Dunn 1947-4-16 Dunn 2946 Los Angeles 3 mi e and 2 mi s of palmdale. Station 13, 1 mi sw of from jct of lp and cut Off. Comment
  UCR218001  Salix babylonica A. C. Sanders, Dan S. Cooper 2010-8-5 38580 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  RSA618685  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
  RSA754094  Salix gooddingii Ellen Mackey, Bart O'Brien, Blake Whittiington 2006-10-19 NFWF- 1808 Los Angeles Lario San Gabriel River Trail Park 180 Comment
  RSA0082587  Salix laevigata R. G. Swinney 2010-6-4 12996 Los Angeles Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon. 476 Comment
  UCD111119  Salix laevigata F. R. Fosberg 1932-3-13 7427 Los Angeles Lower Topanga Canyon, Santa Monica Mts. Comment
  SEINET12003259  Salix lasiandra C. W. Sharsmith 1932-1 8 Los Angeles Lower San Gabriel Canyon, 9.5 km above Azusa 300 Comment
  POM156304  Salix lasiolepis L. R. Abrams 1902-3-6 3103 Los Angeles Centinela creek, Inglewood. Comment
  POM362719  Salix lasiolepis M. B. Dunkle 1936-3-28 4712 Los Angeles Santa Catalina Island, Silverado Canyon. Comment
  RSA599191  Salix lasiolepis Scott D. White 1997-3-12 4741 Los Angeles Zuma Beach; mouth of Zuma Creek, E end of the County Beach. 8 Comment
  CAS-BOT-BC128489  Salix lasiolepis var. lasiolepis J. Ewan 1931-2-2 4018 Los Angeles Along river banks, Rio Hondo River near Downey Comment
  CAS-BOT-BC128513  Salix lasiolepis var. lasiolepis Carl W. Sharsmith 1931-11-15 3 Los Angeles Santa Monica Mountains - at foot of coastal headland near mouth of Topanga Canyon Comment
  LA201041  Salpichroa origanifolia George T. Hastings; 1950-7-23 sn Los Angeles Comment
  HSC4511  Salsola tragus C. S. Apperson 1967-6-11 Los Angeles 4 mi. up Haskell Canyon Rd. off of Bouquet Canyon Rd. Comment
  UC586886  Salsola tragus Joseph Andorfer Ewan 1934-8-3 8384 Los Angeles near county line Swartout Valley; San Gabriel Mts., Swartout Valley 1981 Comment
  UCR277249  Salsola tragus R. G. Swinney 2010-9-30 13930 Los Angeles San Gabriel Mountains, 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon 2341 Comment
  SD254681  Saltugilia splendens subsp. splendens R. G. Swinney 2011-6-7 15061 Los Angeles San Gabriel Mountains: Chilao Flat, 26 road miles NE of I-210 Fqwy at Hwy 2 junction, at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek (Chilao Flat 7.5'Q) 1573 Comment
  RSA0094996  Saltugilia splendens subsp. splendens Orlando Mistretta 1992-6-26 623 Los Angeles Transverse Ranges; San Gabriel Mts region: Glendora Saddle to Lookout Mountain. Comment
  RSA145220  Salvia apiana Alice Ann Webb 1961-3-17 784 Los Angeles End of Indian Hill (N.), where bulldozers were messing around, Claremont. Mt. Range - San Gabriel. 457 Comment
  RSA411300  Salvia apiana Robin S. Collins 1973-5-28 315 Los Angeles Angeles National Forest, San Gabriel Mountains, Trail Canyon, from start of pack trail into canyon ca. 2 miles 609 Comment
  RSA424356  Salvia apiana William Emboden 1970-6-12 3 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  UC449929  Salvia apiana J. Grinnell 1903-6-27 Los Angeles Arroyo Seco; Pasadena Comment
  RSA728299  Salvia carduacea Gary D. Wallace, B. Gustafson, Dave Minor, M. Wallace, F. Runyon, B. Birdsal 1982-4-26 1952 Los Angeles Fort Tejon Road. Comment
  UCR258710  Salvia columbariae R. G. Swinney 2010-5-19 12824 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  UCSB46628  Salvia columbariae Welton, Patti 1983-3-28 Los Angeles On northeast side of Mulholland Hwy; 1 mile north of Cold Canyon Road; Santa Monica Mtns 518 Comment
  UC284281  Salvia dorrii var. pilosa P. A. Munz 1923-5-26 6863 Los Angeles Rock Creek; San Gabriel Mts. 1676 Comment
  CAS-BOT-BC233691  Salvia leucophylla Carl Epling 1932-6-10 s.n. Los Angeles Topanga Canyon, Santa Monica Mountains Comment
  UCD125604  Salvia leucophylla Antonio F. Machado; Lisa Seemann 1993-4-28 4 a Los Angeles Santa Clarita Valley, east of San Francisquito Road, 0.3 miles north of Seco Canyon Road. 350 Comment
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Dec 23 2014
  LA105088  Salvia mellifera Barry A. Prigge; 1988-7-3 8233 Los Angeles Santa Monica Mountains, Calabasas,ca 0.5 mi E of N-junction of Mulholland Hwy and Old Topanga Rd. and 0.2 mi S of Highway , S of flood control basin 335 Comment
  RSA434109  Salvia mellifera Donald R. Bissing 1973-6-2 115 Los Angeles Evey Canyon, San Gabriel Mountains. On canyon wall above road cut 0.2 mile from mouth of canyon. 720 Comment
  RSA434127  Salvia mellifera Geo. C. Johnstone 1928-4-28 13799 Los Angeles Canyon N of Big Pines. Comment
  RSA533423  Salvia mellifera Tim S. Ross 1991-4-21 4532 Los Angeles Whittier Hills (Puente Hills, pro parte): Middle Turnbull Canyon, vicinity of old water tank. 229 Comment
  RSA579238  Salvia mellifera Tim S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, Darin L. Banks, Megan Tommerup 1994-3-28 7408 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; sun-named horseshoe-shaped canyon to the NE of upper Forrestal Drive. 174 Comment
  RSA762363  Salvia mellifera R. G. Swinney 2009-3-13 10114 Los Angeles Azusa, mouth of San Gabriel River Canyon, 0.8 mi. north of Foothill Blvd. on east side of main river channel 192 Comment
  SFV21000  Salvia mellifera L. Gross 2003-3-9 808 Los Angeles San Rafael Hills Southwest side of San Rafael Hills, at or near top of east-west trending ridge southwest of Flint Peak. Entered at west end at Mount Carmel Drive east of Highway 2 (Glendale Freeway) between Chevy Chase Drive (Sycamore Canyon) to the north and Glenoak Blvd. (Scholl Canyon) to the south. 354 Comment
  SFV3234  Salvia mellifera K. A. Wilson 1961-3-11 975 Los Angeles San Gabriel Mountains Placerita Canyon Road. Small canyon 1 mile west of Placerita Canyon State Park. 460 Comment
  UC1124803  Salvia mellifera P. L. Johannsen 1934-1-26 241 Los Angeles Brown's Canyon; Santa Susana Quad. 396 Comment
  JEPS57256  Sambucus mexicana L. R. Heckard 1968-5-11 1842 Los Angeles along Hwy 6 1.3 mi below Newhall Junction (canyon slope se of Newhall) 518 Comment
  CAS-BOT-BC238722  Sambucus nigra subsp. caerulea Alice Eastwood 1919-7-4 9296 Los Angeles Santa Monica Canyon, Los Angeles Comment
  CAS-BOT-BC238738  Sambucus nigra subsp. caerulea A. C. Sanders; T. B. Salvato 2009-5-19 36820 Los Angeles San Gabriel Valley: Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  OBI40209  Sambucus nigra subsp. caerulea A. C. Sanders 1985-7-25 5945 Los Angeles San Gabariel Mtns, along hwy 2 at Buckhorn flat Campground, ca. 20 mi W of Wrightwood, below Mt. Waterman. Assoc with Abies concolor. 2134 Comment
  OBI70935  Sambucus nigra subsp. caerulea Steve Boyd, Lauren Raz 1997-3-25 9310 Los Angeles liebre Mts Region: upper end of broad alluvial valley at head of Cienaga Cyn, southern bse of liebre Mtn, at end of dirt road leading 1 km NE of Knapp Ranch. 1280 Comment
  UCD137666  Sambucus nigra subsp. caerulea Marc Meyer 1993-3-20 11 Los Angeles Santa Susana Mts., 2 mi. N of Mason Ave. and 118 Fwy. 400 Comment
  CATA1458  Sanicula arguta Mark L. Hoefs, Robert F. Thorne 1996-4-6 2642 Los Angeles Santa Catalina Island: Renton Mine Road 243 Comment
  RSA305031  Sanicula arguta P. H. Raven, Henry J. Thompson 1960-4-24 15108 Los Angeles Santa Monica Mountains, Decer [Decker] Road about 2 miles north of Coast Highway. 244 Comment
  SEINET4069693 Image available Sanicula arguta M. B. Dunkle 1939-1 7236 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  LA32915  Sanicula arguta Elizabeth Levine; 1949-3-30 Los Angeles Westwood, UCLA campus. Faculty Hill Comment
  POM82759  Sanicula crassicaulis Marcus E. Jones 1882-5-13 s.n. Los Angeles Pasadena Comment
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Dec 2 2008
  RSA0113733  Sanicula crassicaulis Steven A. Junak 1999-5-21 SCa- 987 Los Angeles Santa Catalina Island. W side of Coffee Pot Canyon, just upstream from road crossing, adjacent to creekbed. 411 Comment
  UCR273427  Saponaria officinalis R. G. Swinney 2011-7-7 15463 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), central camp area 1098 Comment
  SD69624  Satureja douglasii Robert F. Thorne, P. Everett 1965-5-12 34626 Los Angeles Santa Catalina Island, Bulrush Canyon 244 Comment
  RSA506188  Satureja mimuloides Louis C. Wheeler 1967-8-1 10225 Los Angeles San Gabriel Mountains, Angeles National Forest, Middle Fork of Mill Creek. 1220 Comment
  RSA584127  Schedonorus arundinaceus Timothy S. Ross, Steve Boyd, Fritsch 1990-6-8 1968 Los Angeles Upper Big Tujunga Canyon: margin of Big Tujunga Creek and toes of the slopes immediately west (ca 1.6 air miles ENE of Barely Flats). 1213 Comment
  RSA598210  Schinus molle Sara L. Crockett, Mark Hoefs, Steven A. Junak, Gery Allan 1996-10-31 548 Los Angeles Santa Catalina Island. Mt. Black Jack Campgrounds. 451 Comment
  UCR264067  Schismus arabicus John F. Green 2008-3-26 308- 10 Los Angeles Western Mojave Desert, SE of Lancaster and north of Palmdale, 0.75 mi. long strip along both sides of 15th St. East, between Ave. M and Ave. M-12, east of Sierra Hwy and north of Palmdale Regional Airport 762 Comment
  UCR281351  Schismus arabicus R. G. Swinney 2014-4-24 16191 Los Angeles San Gabriel Mountains, NE of Valyermo, wash and plateau at north end of Bob's Gap, 3.1-3.6 miles south of Hwy. 138, c. 0.2 miles east of Bob's Gap Rd., east of Bob's Gap Wash 1293 Comment
  UCR273915  Schismus barbatus Steven A. Junak 1999-4-24 SCa- 859 Los Angeles California Islands, Santa Catalina Island. Plant stop, main road 445 Comment
  RSA524181  Schoenoplectus americanus Timothy S. Ross, Steve Boyd 1990-6-6 2866 Los Angeles Piru Pond: Los Padres National Forest. (admin. by Angeles N.F.) 645 Comment
  CAS-BOT-BC111236  Schoenoplectus californicus LeRoy Abrams 1901-5-28 1683 Los Angeles Past Ballona Comment
  CAS-BOT-BC111669  Schoenoplectus pungens var. longispicatus Dr. Donisan 1902-5-1 s.n. Los Angeles Los Angeles River. Comment
  SBBG128374  Scirpus microcarpus M. L. Hoefs, R. F. Thorne 1975-8-7 823 Los Angeles lower Middle cyn 76 Comment
  POM156209  Scrophularia californica L. R. Abrams 1902-6-15 2549 Los Angeles Sepulveda Canyon, Santa Monica Mountains. Comment
  RSA533485  Scrophularia californica subsp. floribunda Tim S. Ross 1991-3-9 4178 Los Angeles Whittier Hills (Puente Hills, pro parte): head of Oak Cyn, SE side of ridgetop knoll. 369 Comment
  RSA425153  Scrophularia californica var. californica Bonnie C. Templeton 1939-4-26 s.n. Los Angeles Huntington Palisades, Santa Monica Mountains. Comment
  RSA612182  Scrophularia peregrina D. Zygielbaum 1997-3-17 8 Los Angeles Claremont, NW corner of Mills Avenue and Foothill Boulevard. 412 Comment
  UCD125745  Scutellaria tuberosa Daryl Koutnik 1978-3-27 174 Los Angeles Johnson's Pasture in Live Oak Canyon drainage at north end of Mountain Ave, Claremont. 579 Comment
  RSA683690  Selaginella asprella Ivan M. Johnston 1917-7-28 1595 Los Angeles San Antonio Canon 1753 Comment
  SBBG13275  Selaginella bigelovii M. A. Piehl 1962-6-9 62330 Los Angeles China Cyn (near head), ca. 2 mi from China Pt 213 Comment
  SBBG96998  Selaginella bigelovii S. Boyd with T. Ross, L. Arnseth 1990-8-8 4400 Los Angeles near Malo Pt, third cyn S of Bryce Cyn Comment
  UC557632  Selaginella bigelovii Nell Murbarger Mar 1936 42 Los Angeles San Clemente Island Comment
  RSA683747  Selaginella bigelovii F. Raymond Fosberg 1931-3-24 R 81 Los Angeles Santa Catalina Island. Hamilton Canyon Near Avalon. 80 Comment
  CAS-BOT-BC333084  Senecio flaccidus var. douglasii John Thomas Howell 1927-11-13 3203 Los Angeles 1 1/2 miles east of Elizabeth Lake, Liebre Mountains 914 Comment
  LA203938  Senecio flaccidus var. douglasii Harvey Anderson; August 1931 sn Los Angeles SANTA MONICA MOUNTAINS, La Sierra Canyon Comment
  RSA642690  Senecio flaccidus var. douglasii Orlando Mistretta 1992-7-14 708 Los Angeles San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District. Comment
  UC1587663  Senecio flaccidus var. douglasii Tim Ross 1991-8-14 5791 Los Angeles 0.50 mi e Lower Pacifico Campground Rd. (Pacifico Mtn Rd); San Gabriel Mts., Pacifico Mtn USGS 7.5' Quad. 1926 Comment
  UC472154  Senecio flaccidus var. douglasii J. Ewan 1931-10-11 5246 Los Angeles n of Mulholland (Sepulveda Canyon Rd); Santa Monica Mts. Comment
  CAS-BOT-BC341215  Senecio lyonii Robert F. Thorne 1970-3-6 39388 Los Angeles Santa Catalina Island: rocky slopes above Cotton Canyon beach 7 Comment
  SDSU498  Senecio lyonii D. F. Howe 1968-2-24 4489 Los Angeles South of Fourth of July Cove, Santa Catalina Island. Comment
  UC1930047  Senecio lyonii Mark Elvin, Orlando Mistretta 1996-3-24 123 Los Angeles Channel Islands; San Clemente Island: Comment
  RSA495558  Senecio triangularis S. Zona, D. Arias, Oscar Dorado, M. Hanson, J. L. Villasenor 1989-6-21 347 Los Angeles Mountain High Ski Resort: W of Wrightwood, N slopes of San Gabriel Mts. 2017 Comment
  CHSC98401  Senecio vulgaris LeRoy Gross 2001-3-31 366 Los Angeles Los Angeles Basin: Verdugo Mountains region: South side: at end of Olive Ave, parked on Via Montana, in city of Burbank. Folllow an old road that is overgrown so that a faint trail is all that is left of this road. The old road goes up to the main crest with Sunset Canyon to the west and Story Canyon on the east. West facing slope, growing along old road, above Sunset Canyon, a small open grassy area. 396 Comment
  RSA4778  Senecio vulgaris James Snow s.n. Los Angeles Bryant Ranch, near Long Beach, Station no.3. Plat. 3. Comment
  RSA599961  Senecio vulgaris L. C. Wheeler 1968-3-21 s.n. Los Angeles San Gabriel Mountains: Glendora Ridge Truck Trail. 701 Comment
  UCR150705  Senecio vulgaris R. G. Swinney, Dave Larson 1999-5-15 7179 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  PASA956  Senecio vulgaris Sally Ellis 1939-4-28 Los Angeles Claremont Comment
  RSA483322  Setaria parviflora Anstruther Davidson 1917-08 3261 Los Angeles Los Angeles Comment
  CATA2984  Sibara filifolia Peter J. Dixon 2015-2-25 016 Los Angeles Santa Catalina Island: Wild Boar Gully. Mid-slope population, 153 SW of gate, 26 downslope (south) of ridge. 260 Comment
  LA50758  Sidalcea sparsifolia W. O. Griesel; 1936-6-16 sn Los Angeles Santa Monica Mountains, Triunfo Canyon Comment
  SBBG62398  Sidotheca trilobata R. Hoffmann 1931-5-3 Los Angeles San Francisquito Cyn Comment
  SBBG134045  Silene antirrhina R. Burgess, P. Munro 2005-5-18 6861 Los Angeles W side of Westlake Blvd, top of 1st Hill S of Ventura County line, Santa Monica Mtns 426 Comment
  LA35987  Silene coniflora Peter H. Raven; Henry J. Thompson 1960-5-16 15385 Los Angeles Santa Monica Mountains, ridge east of Temescal Canyon, along fire-break 243 Comment
  SBBG88373  Silene gallica M. B. Dunkle 1939-4-4 7259 Los Angeles Chenetti Cyn Comment
  RSA3698  Silene gallica C. B. Wolf 1932-5-11 3545 Los Angeles Santa Catalina Island, hillside W of Isthmus Harbor. 15 Comment
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Jan 23 2014
  CAS-BOT-BC174898  Silene laciniata Cecil Hart 1925-5-18 s.n. Los Angeles Pasadena Comment
  CHSC95857  Silene laciniata subsp. laciniata LeRoy Gross; M. Denslow, W. Hogshead, S. Swartzentruber 2003-6-17 1047 Los Angeles Transverse Ranges; Verdugo Mountains region: South side of mountains: Brand Canyon, above the large waterfall, where the canyon forks off. UTM Zone 11; 3784447N 0383368E. A smaller side canyon that branches off to the east of the main canyon. Side canyon narrows quickly to a bedrock waterfall. (or seep). 519 Comment
  POM293139  Silene laciniata subsp. major Lyman Benson 1947-5-13 12403 Los Angeles LIttle Dalton Canyon 365 Comment
  POM151361  Silene laciniata subsp. major C. F. Baker 1904-5-6 4742 Los Angeles Hills near Pomona Comment
  RSA733047  Silene verecunda R. G. Swinney 1998-7-8 6320 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  UCR220291  Sisymbrium altissimum R. G. Swinney 2009-4-24 10475 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  RSA230697  Sisymbrium altissimum R. F. Thorne, M. Z. Thorne 1969-7-10 38442 Los Angeles San Gabriel Mountains, Angeles National Forest: N of Jackson Lake 1860 Comment
  SBBG130710  Sisymbrium officinale S. A. Junak 2000-7-1 SCa 1374 Los Angeles Cape Cyn 265 Comment
  UCR200192  Sisymbrium officinale Valerie Soza, LeRoy Gross, Adelina Munoz 2000-5-12 872 Los Angeles Verdugo Mountains, northeast side, Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon 366 Comment
  RSA65825  Sisymbrium officinale F. W. Peirson 1919-4-19 1899 Los Angeles Pacoima Canyon, west end of San Gabriel Mts. 579 Comment
  SBBG109045  Sisymbrium orientale S. A. Junak 1996-5-29 SCl 545 Los Angeles China Pt Rd, ca. 1.3 mi S of intersection with San Clemente Ridge Rd 289 Comment
  UCD138821  Sisyrinchium bellum Daryl Koutnik 1978-3-24 158 Los Angeles west side of Decker Road, south of Carlisle Road. 487 Comment
  UCSB908  Sisyrinchium bellum Albright, S. 1957-5-7 Los Angeles UCLA Campus; Faculty Hill 91 Comment
  RSA709744  Solanum americanum A. C. Sanders, Mark A. Elvin 2003-8-7 27162 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom east of Del Valle. 282 Comment
  UC1584105  Solanum americanum Tim Ross, Orlando Mistretta 1990-10-26 3317 Los Angeles San Gabriel Mountains, Horse Canyon drainage San Gabriel Mountains; , Horse Canyon drainage 658 Comment
  RSA658530  Solanum douglasii Diane Elliott 1985-4-19 3 Los Angeles Canyon, (.5)? miles S of intersection, Eastvale Rd. and Palos Verdes Drive North. Comment
  UCR219418  Solanum douglasii R. G. Swinney 2009-3-26 10172 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River at El Encanto Azusa River Wilderness Park 296 Comment
  RSA699064  Solanum douglasii E. Culver s.n. Los Angeles Covina Hills. Comment
  UCR238082  Solanum elaeagnifolium Mark A. Elvin, Julie M. Vanderwier 2002-7-17 2098 A Los Angeles Western Transverse Range; Santa Clarita Valley, west face of Potrero Mesa, south of Santa Clara River, above Pico Canyon Rd. 305 Comment
  NY821442  Solanum nigrum L. Abrams 1902-5-31 2488 Los Angeles Inglewood Comment
  SEINET10818883 Image available Solanum tuberosum Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3778 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  RSA427431  Solanum umbelliferum Katherine O. Haughton 1931-7-10 s.n. Los Angeles Griffith Park. Comment
  UC575014  Solanum umbelliferum E. Lloyd 1933-4-1 Los Angeles Santa Monica Mountains, Temescal Canyon Temescal Canyon; Santa Monica Mountains, Temescal Canyon Comment
  RSA658360  Solanum umbelliferum Naomi Zohman 1985-4-28 44 Los Angeles Junction of CA Hwy 39 along west fork of San Gabriel River. Forest Service Road. Comment
  CAS-BOT-BC236429  Solanum wallacei Carl B. Wolf 1932-5-9 3491 Los Angeles Along road to Renton Mine, about due west of Pebbly Beach, Santa Catalina Island 304 Comment
  UCR16404  Solanum xanti R. D. Keys 1973-5-6 s.n. Los Angeles San Gabriel Mountains, 1 mi below Falling Springs Resort, San Gabriel Canyon Road, Angeles National Forest; 15-20 ft. below road on mountainside 1220 Comment
  RSA657349  Solanum xanti var. intermedium S. Campbell 1980-5-9 7 Los Angeles Verdugo Mountains Region: Verdugo Mountain Canyon, off La Tuna Canyon off-ramp from 210 Freeway, Fire Road East. 305 Comment
  LA88586  Solidago californica O. H. Kappler; 1943-9-5 530 Los Angeles Santa Monica Mountains, Lechusa Canyon 304 Comment
  CAS-BOT-BC365313  Solidago confinis Louis C. Wheeler 1966-10-1 8951 Los Angeles San Gabriel Mountains; Colby Ranch 1097 Comment
  SFV4111  Solidago velutina subsp. californica M. L. Vincent 1963-11-22 469 Los Angeles Santa Monica Mountains Old Topanga Canyon Road, 2 miles west of Topanga Canyon Road. South of the main road about 0.25 miles on a path. Comment
  UCR273302  Solidago velutina subsp. californica R. G. Swinney 2011-10-18 15838 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
  UCR126896  Soliva sessilis A. C. Sanders 2003-4-30 26189 Los Angeles Western San Gabriel Mtns., Castaic Valley, along entrance road to Castaic Lake Recreation Area, off Lake Hughes Rd. 351 Comment
  SBBG67926  Sonchus asper R. Hoffmann 1929-4-28 Los Angeles Harold Comment
  CAS-BOT-BC365993  Sonchus asper Dr. Barton W. Evermann 1918-3-29 s.n. Los Angeles Santa Catalina Isl. Comment
  RSA641645  Sonchus asper subsp. asper L. C. Wheeler 1967-5-31 9809 Los Angeles Pallet Creek at confluence with Big Rock Creek 1082 Comment
  RSA0069885  Sonchus oleraceus R. G. Swinney 2010-2-27 11751 Los Angeles Sunland, SE end of Hansen Dam Basin, Haines Canyon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain 348 Comment
  RSA679271  Sonchus oleraceus Valerie L. Soza, LeRoy Gross 2001-5-14 1215 Los Angeles Santa Anita 1999 Fire area, above Santa Anita Canyon, ca. 0.7 mile west of the Santa Anita Dam. 762 Comment
  SBBG32151  Sonchus oleraceus R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -237 Los Angeles S side of Little Harbor Comment
  UC557746  Sonchus oleraceus Nell Murbarger March, 1936 105 Los Angeles San Clemente Island Comment
  UCR210214  Sorghum bicolor R. G. Swinney 2008-10-20 9644 Los Angeles San Gabriel Mountains, San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  RSA533474  Spartium junceum Tim S. Ross 1991-4-21 4567 Los Angeles Whittier Hills (Puente Hills, pro parte): Middle Turnbull Canyon drainage, vicinity of old water tank. 220 Comment
  UCR213789  Spartium junceum Scott D. White, Justin M. Wood, Jamie Miner 2009-5-12 12696 Los Angeles San Gabriel Mountains, Millard Canyon, north of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lower Fire Road 707 Comment
  RSA0098395  Spergularia macrotheca F. R. Fosberg 1931-5-22 S 4969 Los Angeles Isthmus Harbor, Santa Catalina Island. Comment
  RSA478013  Spergularia macrotheca F. H. Elmore 1939-11-25 s.n. Los Angeles San Clemente Island. Pyramid Cove. Comment
  CAS-BOT-BC390335  Spergularia macrotheca var. macrotheca Ira L. Wiggins 1949-2-22 11962 Los Angeles Northern end of San Clemente Island Comment
  CAS-BOT-BC390324  Spergularia macrotheca var. macrotheca Martin A. Piehl 1962-6-9 62361 Los Angeles California Channel Islands. At China Point (s. of lighthouse). San Clemente Island 15 Comment
  CATA2053  Spergularia marina Steven A. Junak, Mark Hoefs, Lisa Stratton, Keri Kirkland 1998-7-16 756 Los Angeles Santa Catalina Island: N end of salina just inland from mouth of Cherry Canyon 3 Comment
  RSA0098604  Spergularia marina Anstruther Davidson 1890-4-6 s.n. Los Angeles San Pedro. Comment
  RSA0098530  Spergularia marina Orlando Mistretta 1992-4-5 205 Los Angeles Guds, San Clemente Island. Comment
  RSA0098590  Spergularia marina George Johnston s.n. Los Angeles Compton Creek near Domingez. Comment
  UCR210073  Spergularia villosa A. C. Sanders 2009-11-6 37205 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  SEINET7047911  Sphaeralcea ambigua var. rugosa Steven R. Hill, Kate Kramer 2001-4-22 33360 Los Angeles North foothills of San Gabriel Mountains, Elizabeth Lake Road, 9.7 miles by road south-southwest of junction with Johnson Road, vicinity of Bee Canyon. Elevation about 1800 feet. Comment
  RSA442867  Sphaeralcea emoryi var. variabilis Geo. Cantwell 1930-05 s.n. Los Angeles Mint Canyon. Comment
  SBBG712  Sporobolus airoides R. Hoffmann 1928-7-9 Los Angeles Lancaster Comment
  UCR161211  Sporobolus airoides T. B. Salvato, Melissa Clemons 2005-9-27 1238 Los Angeles West Mojave Desert, western edge of the Lancaster Sewage Disposal Ponds near the intersection of Hwy 14 and Avenue D, c. 4 miles SW of Rosamond (dry) Lake 704 Comment
  RSA158229  Stachys albens David P. Gregory 1961-7-12 470 Los Angeles San Gabriel Mts. Gravelly flats near the stream in canyon bottom; Prairie Fork over the ridge from Wrightwood. Comment
  SEINET9297583  Stachys albens Unknown 2007-8-8 3036 Los Angeles San Gabriel Mtns Comment
  SEINET9317654  Stachys bullata Unknown 1920-5-27 1419 Los Angeles Higgens Canyon Comment
  RSA714796  Stanleya pinnata Mark Elvin 2003-4-9 2468 Los Angeles Santa Clarita Valley: Newhall Ranch Commerce Center, canyon N of SR 126 from Grapevine Mesa . 335 Comment
  LA29211  Stanleya pinnata var. pinnata Mary V. Hood; 1944-7-3 44- 117 k* Los Angeles Ridge Route, S of Gormon 914 Comment
  SD90581  Stebbinsoseris heterocarpa Robert F. Thorne 1966-4-17 36092 Los Angeles San Clemente Island; grassland near reservoirs between Boulder and Horton; northeast side of island. 490 Comment
  RSA478181  Stellaria media F. R. Fosberg 1931-4-16 S- 4644 Los Angeles Eagles Nest, Middle Ranch Canyon; Santa Catalina Island. 180 Comment
  UC852207  Stellaria media L. W. Nuttall 243 Los Angeles Santa Catalina Island Comment
  UCR261538  Stellaria media R. G. Swinney 2010-2-27 11703 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
  CAS-BOT-BC393692  Stellaria media Marcus E. A M Jones 1926-3-13 s.n. Los Angeles Santa Ana Canon Comment
  CAS-BOT-BC397708  Stellaria nitens Peter H. Raven 1959-5-9 14177 Los Angeles Mulholland Hwy 1 mile W of Las Virgenes Rd., Malibu Creek drainage, Santa Monica Mountains 274 Comment
  CAS-BOT-BC375141  Stephanomeria cichoriacea C. F. Baker 1903-8-2 3656 Los Angeles San Antonio Canon [Canyon] near Claremont Comment
  UC1215221  Stephanomeria diegensis Peter H. Raven 1962-7-10 17978 Los Angeles canyon below Lemon Tank; San Clemente Island 243 Comment
  UCR209244  Stephanomeria exigua R. G. Swinney 2008-10-7 9480 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  RSA0081137  Stephanomeria parryi R. G. Swinney 2010-6-1 13119 Los Angeles Lower west side of Carson Mesa, 0. 8 miles south of Pearblossom Hwy., 0.35 miles east of Angeles Forest Hwy on north side of dirt service rd. 1037 Comment
  UC92367  Stephanomeria pauciflora A. W. Anthony 1894-6-5 Los Angeles San Fernando Comment
  UCR100431  Stephanomeria pauciflora Scott D. White, Pam DeVries 1997-11-20 6025 Los Angeles San Gabriel Mtns., Big Tujunga Wash, west of Sunland, SW of I-210 freeway, east of Hansen Dam, and north of Wentworth St. 335 Comment
  RSA5497  Stephanomeria pauciflora var. pauciflora C. B. Wolf 1932-8-11 4010 Los Angeles Big Rock Creek. Desert Slope of San Gabriel Mountains. 1/8 mile below Big Rock Creek Ranger Station 1066 Comment
  RSA0039643  Stephanomeria virgata R. G. Swinney 2010-5-29 13413 Los Angeles San Gabriel Mountains: junction of 'W. Fork' May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 Comment
  RSA0089505  Stephanomeria virgata R. G. Swinney 2011-7-7 15421 Los Angeles Colby Ranch (Camp Colby), S end of Inspiration Canyon Tr., in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  RSA748446  Stephanomeria virgata subsp. virgata Orlando Mistretta 1992-7-9 642 Los Angeles Transverse Ranges; San Gabriel Mountains region: Colby Creek Canyon Trail. Tujunga Ranger District. Comment
  UCR281849  Stillingia linearifolia R. G. Swinney 2014-5-8 16436 Los Angeles San Gabriel Mountains, near Lang, 50-100 meters SW of Soledad Cyn. Rd. at a curve, Santa Clara Wash and Bee Cyn. confluence 537 Comment
  UCR259125  Stipa coronata var. coronata R. G. Swinney 2010-5-4 12522 Los Angeles San Gabriel Mountains, north of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park 457 Comment
  UCR86831  Stipa pulchra Scott D. White 1995-4-27 2948 Los Angeles Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon. Road, SW of Malibu Civic Center Way 92 Comment
  SBBG18893  Stylocline gnaphaloides S. A. Junak 1997-3-11 SCl 749 Los Angeles SE side of Sibara Ridge, ca. 0.35 mi S of Triangulation Pt Guds 112 Comment
  UC31919  Stylocline gnaphaloides H. P. Chandler 1897-5-11 Los Angeles Claremont 365 Comment
  UCR219945  Stylocline gnaphaloides R. G. Swinney, Jane Strong 2009-4-21 10410 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mi. north (upstream) of Puente Largo bridge 218 Comment
  RSA446238  Stylomecon heterophylla Fay A. MacFadden 1931-3-15 s.n. Los Angeles La Tuna Canyon, Verdugo Hills. Comment
  SBBG53205  Stylomecon heterophylla S. A. Junak 1978-4-15 SCa 26 Los Angeles dirt rd from Cherry Valley, W of Lion Head Pt Comment
  SD51914  Stylomecon heterophylla Peter H. Raven 1962-5-7 17582 Los Angeles San Clemente Island, just above coast, 1.0 mile south of Wilson Cove. 22 Comment
  RSA390061  Styrax redivivus Theodore Payne 1904-05 2980 Los Angeles Glendale Hills Comment
  SEINET269299  Suaeda moquinii A. C. Sanders, E. J. Lott 1993-5-6 13946 Los Angeles Mojave Desert: 12 miles N of Palmdale Sierra Hwy at Ave 'G' to 1/10 mi. NW of intersection. 706 Comment
  CAS-BOT-BC110418  Suaeda taxifolia R. M. Beauchamp 1967-1-27 116 Los Angeles San Clemente Island. East of main Wilson Cove area. Comment
  SFV16959  Swertia neglecta J. N. Hogue, P. Wilson, et al. 1997-6-27 87 .2 Los Angeles San Gabriel Mountains Highway 2, mile marker 54.22. Near Camp Valcrest. 1829 Comment