Search Results — 2000 specimen records retrieved (1595 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SFV1114  Abronia maritima K. A. Wilson 1961-3-12 1004 Los Angeles Zuma Beach. On sand above tide line. 3 Comment
  UC1605519  Abronia umbellata F. R. Fosberg 1973-11-15 52234 Los Angeles San Clemente Island, Eel Point Comment
  UCD109804  Abronia umbellata Daryl Koutnik 1978-4-28 423 Los Angeles Point Dume near Zuma Beach. 45 Comment
  RSA0025878  Abronia umbellata Peter H. Raven 1962-7-10 17952 Los Angeles San Clemente Island. Near west shore of island due west of Wall 2. Comment
  RSA460990  Abronia umbellata Ora M. Clark 1929-2-3 1501 Los Angeles Venice Comment
  CATA3455  Acacia melanoxylon Julia Parish, Benjamin Dion, Olivia Reda, Jaimie Choi 2017-8-29 033 Los Angeles Santa Catalina Island: Interior; Baker's Dam Soutern California Edison Sub Station 98 Comment
  CAS-BOT-BC30943  Acamptopappus sphaerocephalus R. S. Ferris 1918-6-12 945 Los Angeles 5 mi south of Lancaster Comment
  SEINET6631343 Image available Acanthus mollis Christy Neushul 1959-1 35 Los Angeles Johns Canyon Road Comment
  CAS-BOT-BC331557  Acer macrophyllum James R. Shevock 1974-4-30 3433 Los Angeles Adjacent to San Gabriel Dam S of Angeles Crest Hwy, San Gabriel Mts., Angeles National Forest 457 Comment
  RSA394176  Acer macrophyllum Donald R. Bissing 1973-3-29 34 Los Angeles Evey Canyon, 1.5 mile from canyon mouth. 976 Comment
  RSA600087  Acer macrophyllum Steve D. Boyd, Lauren Raz 1997-5-20 9800 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
  SDSU318  Acer macrophyllum D. F Howe 1947-3-22 1514 Los Angeles topango canyon. about 3 miles from ocean. Comment
Read comments
May 22 2014
  SEINET3859921  Acer macrophyllum R. G. Swinney 2009-3-25 10155 Los Angeles San Garbiel Mtns. Foothills: far west end of Glendora Ridge Motorway on north side of road at boundary of El Encanto Azusa River Wilderness Park.; 0 549 Comment
  CAS-BOT-BC21678  Achillea millefolium E. R. Blakley 1962-6-10 5219 Los Angeles Wilson Cove. San Clemente Island. 9 Comment
  POM157975  Achillea millefolium var. californica M. B. Dunkle 1928-3-17 1754 Los Angeles Santa Catalina Island. Isthmus. 152 Comment
  RSA416198  Achillea millefolium var. californica Howard Mullins 1931-5-9 s.n. Los Angeles Santa Susana. Comment
  RSA292460  Achnatherum coronatum James Henrickson 1973-6-23 10935 Los Angeles 1 1/2 miles N of Malibu, in tract of land at junction of Rambala Pacifico and Schueren Road Comment
  RSA660432  Achnatherum coronatum Orlando Mistretta 1992-6-26 619 Los Angeles Glendora Saddle to Lookout Mountain. On W side of ridge. 1800 Comment
  UCSB69295  Achnatherum speciosum Gross, LeRoy 2005-4-28 Los Angeles Transverse Ranges; San Gabriel Mtns; ridgeline to Mt. Emma and canyon S of this ridge; W from Mt Emma; E of Mt. Emma Rd. 1412 Comment
  UCR225785  Achyrachaena mollis Dave Silverman, Cindy Hopkins 2007-4-17 6708 Los Angeles SW Tehachapi Mtns, Tejon Ranch, 1.2 km due south of Oso Canyon, 2.4 km south of the Kern County line, and 4.2 km NE of Hwy 138 and I-5 junction 1101 Comment
  CAS-BOT-BC213461  Acmispon argophyllus var. argophyllus G. B. Grant 1898-4-1 s.n. Los Angeles Old Wilson Trail 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
  SD21286  Acmispon dendroideus var. dendroideus Norman E. Bilderback 1938-4-17 Los Angeles Catalina, Avalon Comment
  CATA1566  Acmispon micranthus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-4 2834 Los Angeles Santa Catalina Island: Hillside above New York Harbor 79 Comment
  UCD104242  Acmispon micranthus Louis C. Wheeler 1934-4-15 2526 Los Angeles Liveoak Canyon, San Gabriel Mts. 487 Comment
  UCD104456  Acmispon strigosus Robert F. Thorne; P. Everett 1963-4-19 31547 Los Angeles 6.1 mi. off Hwy 25 on road to Pinnacles Natl. Monument, Bear Valley. Comment
  SD37578  Acourtia microcephala Edith A. Purer 1931-5-8 Los Angeles Griffith Park. Comment
  RSA639147  Acourtia microcephala Louis C. Wheeler 1973-7-15 s.n. Los Angeles San Gabriel Mountains: Doe Flat, Graveyard Canyon. Comment
  RSA822384  Acourtia microcephala D. L. Crawford 1915-7-14 555 Los Angeles Live Oak Canyon, Claremont. Comment
  CAS-BOT-BC132895  Adenostoma fasciculatum Peter H. Raven 1956-6-17 9427 Los Angeles N.W. of Sunset Blvd at Sepulveda Blvd., Santa Monica Mts. Comment
  HSC18438  Adenostoma fasciculatum David Porter 1965-5-2 Los Angeles Along Mullholland Dr. 488 Comment
  SEINET3156196  Adenostoma fasciculatum L. Abrams 1902-7-3 2649 Los Angeles Little Santa Anita canyon Comment
  UC114131  Adenostoma fasciculatum J. W. Toumey 1894-9-15 Los Angeles Catalina Isl. Comment
  POM243799  Adenostoma fasciculatum var. fasciculatum F. R. Fosberg 1931-4-2 S- 4450 Los Angeles Catalina Island, Camp Frost 380 Comment
  RSA482530  Adenostoma fasciculatum var. fasciculatum Richard Noyes, L. Arnseth 1988-4-30 550 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Burbank Canyon, northwest of Thompson Creek Dam. 525 Comment
  RSA727403  Adiantum capillus-veneris R. G. Swinney 1998-5-30 6162 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Fern Canyon 890 Comment
  CAS-BOT-BC65573  Adiantum capillus-veneris L. L. K. 1963-6-9 541 Los Angeles Santa Monica Mtns., south slope, Lachusa Cyn. (near Ventura Co. line), ca. 2 miles from mouth 152 Comment
  RSA687691  Adiantum jordanii M. B. Dunkle 1928-3-31 1776 Los Angeles Santa Catalina Island: side of canyon, Campo Blanco 183 Comment
  UC811113  Adiantum jordanii F. R. Fosberg 1931-3-23 R 79 Los Angeles Hamilton Canyon; Santa Catalina Isl 30 Comment
  UCR137598  Adiantum jordanii R. G. Swinney 1989-5-8 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park in Big Dalton Canyon and its tributaries. 'Water Pipe Canyon' [=Pavil Cyn] 457 Comment
  POM120339  Adiantum jordanii George B. Grant, Wheeler 1904-04 6182 Los Angeles Santa Catalina Island. Comment
  RSA527648  Adiantum jordanii Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4369 Los Angeles San Clemente Island: E side of island, Bryce Cyn near Malo Point. Comment
  UC284842  Aesculus californica P. A. Munz 1923-6-9 6939 Los Angeles Oakgrove Canyon; Liebre Mts. Comment
  UC768681  Agoseris heterophylla var. cryptopleura R. F. Hoover 1938-4-16 3117 Los Angeles near Bailey's; Upper Antelope Valley Comment
  RSA317208  Agoseris retrorsa Michael C. Long 1974-4-21 s.n. Los Angeles Devil's Punchbowl Co. Park, Holcomb Canyon. 1311 Comment
  SBBG66282  Agoseris retrorsa R. Hoffmann 1927-6-13 Los Angeles Chandler's, Ridge Route (US Hwy 99) Comment
  RSA726054  Agropyron cristatum R. G. Swinney 1997-6-25 5638 Los Angeles San Gabriel Mtns.: west of Wrightwood, Mountain High Ski Resort runway, ca. 2 miles east of Hwy 2 on FS road 3N06, Guffy Rd. 2366 Comment
  RSA0013559  Agrostis exarata Orlando Mistretta, Christine Mistretta 2011-6-30 5786 Los Angeles North Fork Mill Creek; along Forest Road 3N27 1200 Comment
  UC1169778  Agrostis exarata P. C. Everett and E. K. Balls 1960-5-30 24133 Los Angeles 2.5 mi from Azusa; San Gabriel Canyon 243 Comment
  LA10252  Agrostis pallens Carl Epling; Nesta Hutchinson 1931-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  SBBG59467  Agrostis pallens M. N. Ackley -Apr-1929 Los Angeles Mulholland Drive 365 Comment
  UCR197223  Agrostis pallens Valerie Soza, Ileene Anderson, LeRoy Gross 2000-6-6 985 Los Angeles Verdugo Mountains, southwest side, along Verdugo Mtwy, above Brace Canyon, west of junction with Stough Canyon Mtwy 610 Comment
  CAS-BOT-BC47986  Ailanthus altissima Peter H. Raven 1960-5-21 15402 Los Angeles Santa Monica Mountains - Cornell Corners, along creek 243 Comment
  SBBG72630  Allenrolfea occidentalis R. Hoffmann 1927-9-23 Los Angeles Lancaster Comment
  POM1638  Allium burlewii I. M. Johnston 1917-7-4 1484 Los Angeles head of San Antonio Canyon. 2439 Comment
  CAS-BOT-BC135894  Allium haematochiton John Thomas Howell 1928-3-2 3359 Los Angeles Vermont Canyon [Canon], Griffith Park Comment
  RSA214287  Allium haematochiton L. C. Wheeler 1934-3-10 2423 Los Angeles San Gabriel Mountains, near mouth of San Dimas Canyon. 441 Comment
  CATA246  Allium praecox Mark L. Hoefs, A. Douglas Propst 1973-5-4 245 Los Angeles Santa Catalina Island: By road above Little Fisherman's Cove 167 Comment
  RSA583037  Allium praecox Timothy S. Ross 1993-4-22 6872 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); northwesterly slope 350 meters ENE of peak. 419 Comment
  RSA28530  Allophyllum divaricatum Verne Grant, Alva Grant 1954-6-12 9400 Los Angeles Open flat by roadside 2 miles sw of height of land separating San Antonio & Cow Canyons, San Gabriel Mountains. 1220 Comment
  UC494806  Allophyllum divaricatum T. Craig 1927-6-8 405 Los Angeles Bear Canyon trail to Mt. San Antonio; e. Los Angeles Co. Comment
  UC1714455  Allophyllum gilioides subsp. gilioides Geo. B. Grant 1906-6-14 507 Los Angeles summit Mt. Wilson; S. California 1524 Comment
  RSA135189  Allophyllum glutinosum P. H. Raven 1960-5-15 15352 Los Angeles Junction of Piuma Road with Rambla Pacifica Road. 564 Comment
  RSA410084  Allophyllum glutinosum F. R. Fosberg 1931-7-16 S- 5429 Los Angeles Santa Catalina Island. Gallagher's Canyon, L. fork. 50 Comment
  POM8160  Allophyllum integrifolium P. A. Munz 1921-6-17 4610 Los Angeles Swartout [Swarthout] Valley: Sawmill. 2073 Comment
  RSA654658  Alnus rhombifolia Fred Brooks 1988-4-3 1 Los Angeles San Antonio Canyon, above lower ranger station along stream and sides of canyon. Comment
  UC1211130  Alnus rhombifolia Huron H. Smith 1912-4-30 4878 Los Angeles Mt. Wilson Comment
  UCR218013  Alnus rhombifolia A. C. Sanders, Dan S. Cooper 2010-8-5 38569 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  RSA402953  Amaranthus albus F. R. Fosberg 1931-4-8 S- 4509 Los Angeles Santa Catalina Island. 40 Comment
  RSA402955  Amaranthus albus Wm. Martin, R. Gustafson 1971-7-14 s.n. Los Angeles Corner of Jefferson and Rodeo Blvd., Los Angeles. Comment
  IRVC27451  Amaranthus blitoides A. C. Sanders, Mark A. Elvin 2002-8-28 25597 Los Angeles Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusement park NE end of Santa Susana Mtns. 360 Comment
  SBBG133185  Amaranthus californicus B. C. Templeton 1942-10-14 6588 Los Angeles Griffith Park, near Municipal Nursery Comment
  UCR121674  Amblyopappus pusillus J. R. Ekhoff 2001-5-16 s.n. Los Angeles Channel Islands, north end of San Clemente Island, around new nursery 500 ft. south of Natural Resources office on south side of base headquarters, c. 1.5 mi. SE of airfield 30 Comment
  CAS-BOT-BC133199  Ambrosia acanthicarpa Dan S. Cooper 2010-6-13 610 -66 Los Angeles Western Transverse Range; eastern Santa Monica Mtns.: Forest Lawn Drive west of Griffith Park 155 Comment
  CAS-BOT-BC42860  Ambrosia acanthicarpa J. Ewan 1931-11-11 s.n. Los Angeles Del Valle, Santa Clara River Valley 304 Comment
  UCD128715  Ambrosia acanthicarpa Daryl Koutnik 1978-4-21 411 Los Angeles Glendale at east end of Glenoaks Avenue, near Scholl Canyon Park. 304 Comment
  CATA156  Ambrosia chamissonis Mark L. Hoefs, A. Douglas Propst 1973-3-14 118 Los Angeles Santa Catalina Island: West side of White's Landing, on beach 1 Comment
  RSA188001  Ambrosia chamissonis var. chamissonis R. F. Thorne, Percy C. Everett 1965-6-23 34950 Los Angeles Santa Catalina Island. Ben Weston Beach, west side of island. Comment
  CAS-BOT-BC142501  Amelanchier utahensis Le Roy Abrams; E. A. McGregor 1908-7-5 633 Los Angeles Swartout Canyon, desert slopes of the San Gabriel Mountains 1828 Comment
  CAS-BOT-BC180640  Amorpha californica var. californica Tim Ross 1992-6-15 6561 Los Angeles Upper end of Turnbull Canyon, Whittier Hills (local name for the western extremity of the Puente Hills) 291 Comment
  POM1906  Amorpha californica var. californica O. W. Robinson 1916-4-7 s.n. Los Angeles Mtns above Claremont. (Johnson's Pasture) Comment
  RSA656206  Amorpha californica var. californica Joseph M. Keefe 1977-6-10 22059 Los Angeles Northern Verdugo Mountains; 1 km south of La Tuna Canyon Road on Fire Break Road West, Sun Valley 457 Comment
  POM3924  Amsinckia intermedia D. L. Crawford 1915-7-16 sn Los Angeles Live Oak Canyon -Claremont Comment
  RSA138502  Amsinckia intermedia Reid V. Moran 1959-3-9 6163 Los Angeles 2 miles SE of Eel Point, San Clemente Island. 100 Comment
  RSA499951  Amsinckia intermedia Grethe Moskedahl 1923-3-12 s.n. Los Angeles Los Angeles Comment
  RSA534003  Amsinckia intermedia Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5118 Los Angeles San Clemente Island: eastern escarpment, 1400 ft. SSE of Jack (not Jack Point), and 1350 ft. NW of the mouth of Larkspur Canyon. 145 Comment
  UCD119750  Amsinckia menziesii Daryl Koutnik; Bruce Holguin 1978-4-1 s.n. Los Angeles Three miles north of Palmdale cutoff on Sierra Highway in Mint Canyon. 502 Comment
  UC159171  Amsinckia menziesii var. menziesii Geo. B. Grant Mar., 1904 40 a Los Angeles Pasadena Comment
  UC2013784  Amsinckia tessellata Richard R. Halse 2002-3-25 6134 Los Angeles Along State Highway 138, 5.3 miles W of its junction with State Highway 14; Antelope Valley. Comment
  UCR239500  Amsinckia tessellata A. C. Sanders 2006-4-11 32046 Los Angeles Western Mojave Desert, Antelope Valley, NW of Fairmont Butte, Hwy 138 at 190th St. West 845 Comment
  RSA465142  Anagallis arvensis Cora Mae Life 1923-07 25 Los Angeles U.C. campus. Comment
  CAS-BOT-BC137814  Andropogon glomeratus var. scabriglumis Louis C. Wheeler 1964-3-18 8425 Los Angeles San Gabriel Mountains. About half way between Roberts Canyon and Fish Canyon. Comment
  SBBG128321  Anemopsis californica M. L. Hoefs 1995-5-16 2027 Los Angeles Big Springs Cyn, near rd to Two Harbors 103 Comment
  JEPS32856  Anisocoma acaulis E. R. Blakley 1958-5-9 2265 Los Angeles hills 2 mi e Gorman 1097 Comment
  SBBG68170  Anisocoma acaulis R. Hoffmann 1927-6-8 Los Angeles Ridge Route (US Hwy 99) near Sandberg's Comment
  RSA674729  Anthriscus caucalis Scott D. White, P. De Vries 2000-5-18 7917 Los Angeles San Gabriel Mts: Southern foothills above Irwindale. Fish Creek cyn, from the mouth of the Canyon at CalMat quarry upstream to falls. 305 Comment
  UCR150862  Anthriscus caucalis R. G. Swinney, Dave Larson 1999-5-15 7183 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  UCR204427  Antirrhinum kelloggii R. G. Swinney 2003-5-3 8192 Los Angeles San Gabriel Mountains, Glendora, Big Dalton Canyon Wilderness Park, upper drainage on ridge between Pavil and Pine canyons 793 Comment
  RSA0009200  Antirrhinum multiflorum Valerie L. Soza, Ileene Anderson, LeRoy Gross 2000-6-6 995 Los Angeles Verdugo Mountains, southwest side: Along Verdugo Mtwy, E of junction with Hostetter Mtwy, above Wildwood Canyon. 915 Comment
  UCR130081  Antirrhinum multiflorum Valerie Oriol 2003-12-9 s.n. Los Angeles San Gabriel Mtns., Angeles National Forest, San Dimas Experimental Forest; watershed 0516 off the Glendora Ridge Rd. within a mile of Tanbark Flats 976 Comment
  CATA3050  Aphanes occidentalis Amy Catalano 2016-3-25 062 Los Angeles Santa Catalina Island: Fern Canyon, about 0.5 miles up canyon, flats south of drainage bottom 172 Comment
  POM123382  Apiastrum angustifolium Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. [Santa Monica Mountains] Comment
  RSA0080790  Apiastrum angustifolium R. G. Swinney 2010-5-7 12575 Los Angeles Lake View Terrace, ridge to the immediate west of Oliver Canyon, 0.8 air mile N of I-210 Fwy. 494 Comment
  UC1349345  Apiastrum angustifolium Robert F. Thorne 1966-4-6 35882 Los Angeles Santa Catalina Island: between White and Moonstone Coves. Comment
  UC1375368  Apiastrum angustifolium C. Davidson 1971-5-7 1506 Los Angeles Catalina Is. N facing slope at Ben Western Beach. Comment
  UC1922754  Apiastrum angustifolium Valerie L. Soza, LeRoy Gross, Adelina Munoz 2000-5-12 897 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, northwest side: Northwestern end of Verdugo Crestline Drive from New Home Avenue, Sunland. Ridge east of 210 Fwy and west of fire road, south (above) water tank. Near 34deg 15' 12.2'' N 118deg 19' 16.8'' W T2N R14W SW/4 sec. 14. Elev. Comment
  UCSC000498  Apiastrum angustifolium I. J. Condit 2011-3-27 s.n. Los Angeles Catalina Island Comment
  POM133225  Apiastrum angustifolium C. F. Baker 1907-5-5 4771 Los Angeles Claremont. Comment
  RSA37398  Apiastrum angustifolium F. W. Peirson 1919-5-18 133 Los Angeles Hills east of Monrovia Canyon 457 Comment
  SEINET12117499  Apiastrum angustifolium I. W. Clokey, Templeton, B. 1929-1 4434 Los Angeles Mandeville Canyon, Santa Monica Mountains 425 Comment
  CLARK-A1528-1425  Apium leptophyllum Alfred R. Roos 1958-5-29 Los Angeles parking strip on the 1900 block of Westwood Blvd. Comment
Read comments
Oct 26 2015
  RSA0025737  Apocynum androsaemifolium Duncan S. Bell, Caitlin Elam 2013-7-11 5348 Los Angeles Sheep Mountain Wilderness; northeastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1997 Comment
  UCR152658  Aptenia cordifolia A. C. Sanders, Lee Jones 2005-4-8 29329 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  UC1870166  Arabidopsis thaliana LeRoy Gross 2001-3-31 363 Los Angeles Los Angeles Basin: Verdugo Mountains Region: South side: At end of Olive Ave, parked on Via Montana, in city of Burbank. Follow 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. Comment
  UCR190544  Arabis R. G. Swinney 2000-6-19 7834 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  UCR190816  Arabis R. G. Swinney 1999-7-5 7506 Los Angeles San Gabriel Mtns., head of Cedar Canyon, ridge c. 200 m north of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2 2323 Comment
  RSA0126238  Arabis glabra var. glabra Scott D. White, P. De Vries 2000-5-18 7896 Los Angeles San Gabriel Mts: Southern foothills above Irwindale. Fish Creek cyn, from the mouth of the Canyon at CalMat quarry upstream to falls. 305 Comment
  RSA593442  Arabis glabra var. glabra Steve Boyd, Michael Wall 1996-5-16 8783 Los Angeles Liebre Mountains, Ruby Canyon upstream from confluence with Elizabeth Lake Canyon at northwest end of Red Mountain, along Ruby Canyon Road ca. 0.7 mi E of jtn with Lake Hughes Road. 616 Comment
  RSA0095311  Arabis sparsiflora Richard G. Swinney 2011-6-23 15321 Los Angeles San Gabriel Mountains: Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao visitor Center. 1582 Comment
  UCR21100  Arceuthobium A. C. Sanders, Nancy Smith, K. R. Neisess 1980-6-4 1553 Los Angeles Pine Canyon, SW of the Antelope Valley in the San Andreas Fault zone 1372 Comment
  UCR124419  Arceuthobium campylopodum B. C. Templeton 1932-5-31 4846 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  UCR182760  Arceuthobium campylopodum R. G. Swinney 1997-8-6 5758 Los Angeles San Gabriel Mtns, Table Mountain area, Jesus Canyon west of road 4N47, NW of Wrightwood 1927 Comment
  RSA97428  Arceuthobium occidentale F. W. Peirson 1921-11-12 4302 Los Angeles Collins Ranch, Liebre Mts. 1372 Comment
  RSA626680  Arctostaphylos glandulosa Allen Massihi, Jon E. Keeley 1992-7-27 15791 Los Angeles Santa Clara Divide Road (3N17), 8-10 km off Sand Canyon Road, San Gabriel Mountains. 1000 Comment
  RSA631304  Arctostaphylos glandulosa Jon E. Keeley, Melanie Baer-Keeley 1992-10-11 21996 Los Angeles Liebre Mountains, 3.5 km east of Bear Campground. 1675 Comment
  RSA629093  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Allen Massihi 1992-8-20 20220 Los Angeles Mill Creek Summit, Angeles Forest Hwy. San Gabriel Mtns. 1470 Comment
  RSA629095  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Allen Massihi 1992-8-20 20258 Los Angeles Mill Creek Summit, Angeles Forest Hwy. San Gabriel Mtns. 1470 Comment
  LA91416  Arctostaphylos glandulosa subsp. glandulosa Bruce Douglas Clayton; Greg Shaw 1972-3-20 16 Los Angeles 615 Comment
  RSA631517  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15665 Los Angeles Angeles Forest Highway, 2 km north of Big Tujunga Canyon turnoff. 1100 Comment
  RSA718067  Arctostaphylos parryana R. G. Swinney 1997-8-19 5812 Los Angeles Antonio Peak (=Lookout Mtn.), ridge E of Cattle Canyon and W of the west fork of Bear Canyon. 2077 Comment
  RSA634712  Arctostaphylos parryana subsp. tumescens John Crandell, Jon E. Keeley 1992-4-5 15044 Los Angeles Mill Creek Summit, Angeles Forest Highway. 1480 Comment
  RSA634829  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22038 Los Angeles Dirt road between Chilao and Mill Creek Summit, 2.7 km E of turnoff to Pacifico Mtn., San Gabriel Mtns. 1825 Comment
  RSA635099  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20328 Los Angeles Road to Mt. Gleason, 5.3 km west of Mill Creek Summit, San Gabriel Mtns. 1670 Comment
  RSA635129  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20286 Los Angeles Road to Mt. Gleason, 200 m west of Mill Creek Summit. 1490 Comment
  RSA635144  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20557 Los Angeles Road to Sulphur Springs Cpgrd., 4 km N of Angeles Crest Hwy, N of Chilao Cpgrd. San Gabriel Mtns. 1840 Comment
  RSA635227  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20671 Los Angeles Angeles Crest Hwy., Dawson Saddle. San Gabriel Mtns. 2410 Comment
  RSA729541  Arctostaphylos patula R. G. Swinney 1998-6-16 6991 Los Angeles San Gabriel Mtns; summit of Lookout (Antonio) Mountain. 2070 Comment
  UCR126754  Arctotheca prostrata A. C. Sanders, Andy Thomson 2003-4-15 26008 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, south edge of Magic Mountain theme park, 0-400 ft. from fence 396 Comment
  SD1589  Arenaria macradenia Ruth B. Randall 1931-7-1 185 Los Angeles Big Pines, near Los Angeles. Comment
  UCR101511  Arenaria macradenia var. arcuifolia Steve Boyd, Et al. 1997-7-8 10006 B Los Angeles Liebre Mountian Region, SE flank of Liebre Mtn., along ridge dividing Fish Cyn. and Bear Cyn. drainages, NE of Atmore meadows, along rough dirt track following old fuel break. 1744 Comment
  UCR193141  Arenaria nuttallii subsp. gracilis R. G. Swinney 1999-8-9 7607 Los Angeles San Gabriel Mtns., east end of Big Horn Ridge, c. 0.5 mi SW of West Baldy peak of Mt. San Antonio 2805 Comment
  CAS-BOT-BC384747  Arenaria serpyllifolia var. serpyllifolia Frank W. Peirson 1924-5-27 4622 Los Angeles San Gabriel Mts. Colby's Ranch Comment
  JEPS36927  Artemisia californica F. W. Peirson 1918-9-15 245 Los Angeles near foot of Sister Elsie Peak trail Sister Elsie Peak (now Mount Lukens); San Gabriel Mountains 640 Comment
  UC74039  Artemisia douglasiana Dr. J. Q. Adams 1905-9-1 Los Angeles near Soldier's Home Comment
  SDSU6157  Artemisia nesiotica R. M. Beauchamp 1967-6-2 539 Los Angeles Below road one mile northeast of NOTPier, San Clemente Island. Comment
  RSA417386  Artemisia tridentata subsp. parishii L. E. Hoffman 1926-3-18 s.n. Los Angeles Arroyo Seco Comment
  RSA529169  Asclepias californica T. S. Ross, Steve D. Boyd 1991-7-24 5640 Los Angeles San Gabriel Mountains, Granite Mountain: NNE slope 1902 Comment
  UCR223350  Asclepias eriocarpa R. G. Swinney 2009-7-29 11417 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCR281981  Asclepias eriocarpa R. G. Swinney 2014-5-15 16541 Los Angeles San Gabriel Mountains, Azusa Peak, 0.06 mile south of Glendora Ridge Motorway, 1.34 miles due east of Hwy. 39, 0.15 mile east of Garcia Trailhead 630 Comment
  LA30243  Asclepias fascicularis Mary V. Hood; 1941-9-6 41- 170 k* Los Angeles SANTA MONICA MOUNTAINS, Agoura, Ventura Blvd. 304 Comment
  HSC24295  Asclepias vestita Girina Chen 1971-5-2 26 Los Angeles 15 mi. E of Palmdale, 3 mi. N of Hwy. 138 on 167th St. in Mojave Desert 854 Comment
  RSA190915  Aspidotis californica Robert F. Thorne 1967-5-18 36873 Los Angeles Santa Catalina Island. Wild Boar Gully (Cercocarpus Arroyo). 167 Comment
  UCR1311  Aspidotis californica F. C. Boutin 1960-5-4 s.n. Los Angeles San Gabriel Mtns., East side of the lake in San Dimas Canyon 457 Comment
  UCR261533  Aspidotis californica Joseph Cahill 2010-12-22 1210- 05 Los Angeles Western Transverse Range; Santa Monica Mountains, Mulholland Hwy, c. 2 miles from Pacific Coast Hwy 65 Comment
  UCR219929  Aster subulatus R. G. Swinney 2009-4-17 10386 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa, San Gabriel Canyon wash, 0.1-0.5 mi. west of San Gabriel River Bike path parking lot, at Azusa Canyon Rd (Hwy 39), c. 0.6 mi. north of Sierra Madre Ave. 221 Comment
  CAS-BOT-BC180490  Astragalus brauntonii Ernest Braunton 1907-5-7 1281 Los Angeles Sherman Comment
  RSA0040253  Astragalus brauntonii J. C. Marvin 1921-05 s.n. Los Angeles Canyon near Brentwood; Los Angeles. Comment
  IRVC26984  Astragalus gambelianus A. C. Sanders 2003-4-17 26066 Los Angeles Newhall Ranch, ca. 1 km south of Magic Mountain amusement park and north of the powerlines NE end of Santa Susana Mtns. 396 Comment
  SD69526  Astragalus gambelianus Robert F. Thorne 1966-4-5 35842 Los Angeles Santa Catalina Island; slope above stream in Cottonwood Canyon. 105 Comment
  RSA199012  Astragalus lentiginosus var. variabilis W. M. Gauntt 1966-3-26 110 -A Los Angeles Route 58, 20 miles E of Mojave. 1250 Comment
  SBBG12327  Astragalus miguelensis P. H. Raven 1962-5-8 17620 Los Angeles near summit of ridge above Wilson Cove 121 Comment
  RSA0006851  Astragalus pycnostachyus var. lanosissimus S. B. Parish 1882-10 1117 Los Angeles Ballona Rancho near Santa Monica Comment
  SEINET11177067  Astragalus trichopodus M. Licher 2011-2-21 3020 Los Angeles Deervale-Stone Canyon Park, Santa Monica Mountains, 1 mi. east of 405, & north of Mulholland Dr. 320 Comment
  RSA167829  Astragalus trichopodus var. lonchus R. F. Thorne, Percy C. Everett 1964-2-6 33437 Los Angeles Central part of Santa Catalina Island. 427 Comment
  SD125943  Astragalus trichopodus var. lonchus Lyman Benson, Robert Benson and Joseph Lanjoiw 1953-5-2 15111 Los Angeles Santa Catalina Island, White's Landing, Island Relic Flora, Pacific Ocean Drainage 14 Comment
  RSA272153  Astragalus trichopodus var. lonchus John F. Emmel 1975-2-22 532 Los Angeles 0.2 air miles SW of intersection of Los Verdes Drive and Hawthorne Blvd., Palos Verdes Hills. Comment
  CAS-BOT-BC199089  Astragalus trichopodus var. phoxus Louis C. Wheeler 1973-5-6 s.n. Los Angeles Near the mouth, east side little Tujunga, near BM. 1227, San Gabriel Mountains 396 Comment
  RSA0070330  Astragalus trichopodus var. phoxus R. G. Swinney 2010-5-7 12601 Los Angeles San Gabriel Mountains: Lake View Terrace, Oliver Canyon mouth, west of debris basin, 0.35 air miles north of I-210 Fwy, NW side of jct. of BP and L Rd and Jimenez St./Dominica Ave. 378 Comment
  RSA415703  Astragalus trichopodus var. phoxus L. E. Hoffman 1926-3-18 s.n. Los Angeles Arroyo Seco, Los Angeles Comment
  RSA600434  Astragalus trichopodus var. phoxus L. C. Wheeler 1931-11-11 349 Los Angeles Santa Monica Mountains: 1 mile SW of Girard. 426 Comment
  RSA611646  Athysanus pusillus Steve Boyd, Valerie Soza, Mike Kinney, J. Mark Porter 1998-3-24 10126 Los Angeles Liebre Mountains region: North base of Portal Ridge, north of the San Andreas Rift Zone at the edge of the Antelope Valley, upper mouth of Cow Spring Canyon along the Pacific Crest Trail 1054 Comment
  UCR280469  Atriplex argentea var. expansa Onkar Singh 2015-8-2 5550 Los Angeles Mojave Desert, Antelope Valley, 6 km WNW of Lancaster, margins on 30th St West, between Avenue F and Avenue G 714 Comment
  UC494417  Atriplex argentea var. mohavensis Philip A. Munz 1932-8-31 12812 Los Angeles Playa del Rey Playa del Rey (back beach) Comment
  UC557718  Atriplex argentea var. mohavensis Nell Murbarger May, 1936 222 Los Angeles extreme northern end San Clemente Island (on sand dunes); extreme northern end San Clemente Island Comment
  RSA620016  Atriplex canescens LeRoy Gross 1998-11-1 99 Los Angeles Southern base San Gabriel Mtns.: Big Tujunga wash. East of 210 freeway, city of Sunland. 365 Comment
  SBBG65346  Atriplex confertifolia R. Hoffmann 1929-4-27 Los Angeles Lancaster Comment
  UCR94688  Atriplex confertifolia A. C. Sanders, E. J. Lott 1993-5-6 13943 Los Angeles Western Mojave Desert, 12 miles north of Palmdale, Sierra Hwy at Ave 'G', to 0.1 mi. NW of intersection 706 Comment
  POM246556  Atriplex coulteri F. R. Fosberg 1931-4-10 S 4560 Los Angeles Santa Catalina Island. Pacific Divide. 200 Comment
  UC1587722  Atriplex coulteri Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5168 Los Angeles grassy flats 950 ft wnw of Stone at beginning Stone Canyon drainage (San Clemente Island); , wnw Stone Canyon drainage 441 Comment
  RSA739275  Atriplex glauca R. E. Riefner 2008-12-27 83 Los Angeles City of Malibu, ocean bluff W of El Matador State Park 3 Comment
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Dec 13 2012
  SDSU5533  Atriplex leucophylla R. M. Beauchamp 1967-6-2 546 Los Angeles San Clemente Island. Comment
  RSA595635  Atriplex polycarpa Steve Boyd, Lauren Raz 1996-10-8 9020 Los Angeles Liebre Mountains region, rugged hills at eastern edge of Bouquet Canyon, south of Vasquez Canyon and northwest of Cruzan Mesa, along Vasquez Canyon Road, ca. 0.9 miles east of junction with Bouquet Canyon Road. 524 Comment
  RSA279138  Atriplex prostrata R. F. Thorne 1974-9-13 s.n. Los Angeles Santa Catalina Island. E side of inner Catalina Harbor. Comment
  RSA741087  Atriplex semibaccata Justin M. Wood 2008-11-20 236 Los Angeles ANF Road (1N36) / SCE access road W of Van Tassel Canyon. Above the city of Duarte. 305 Comment
  SBBG118707  Atriplex semibaccata O. Mistretta 1992-4-5 179 Los Angeles Guds Comment
  SEINET11940379  Atriplex semibaccata J. F. Bright, Wyman, C. 1931-1 5736 Los Angeles Hollywood Comment
  SBBG80318  Atriplex watsonii F. C. Boutin 1967-4-23 11626 Los Angeles N end of island at W end of airfield runway Comment
  CHSC99439  Avena barbata LeRoy Gross 2001-3-31 373 Los Angeles Los Angeles Basin: Verdugo Mountains Region: South side: At end of Olive Ave, parked on Via Montana, in city of Burbank. Follow 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. 457 Comment
  RSA0119757  Avena barbata R. G. Swinney 2014-5-27 16669 Los Angeles San Gabriel Mountains; Glendora, ridge between east and north forks of Hook Cyn., c. 400 m. south of Glendora Ridge Mtwy. on s.-facing slope at 15-40 % grade., C. 200 m. due n. of Church of the Open Door and n. and e. of Hook Cyn. debris basin. 445 Comment
  SFV21764  Avena barbata L. Gross 2001-3-31 373 Los Angeles Verdugo Mountains South side of Verdugo Mountains at end of Olive Ave. Parked on Via Montana in Burbank, follow an old road that is overgrown that goes up to the main crest with Sunset Canyon to the west and Story Canyon to the east. On southwest-facing talus slope with Deer Canyon below. 457 Comment
  UCR178905  Avena fatua R. G. Swinney 1989-6-27 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon at 'Owl Flats', 1.5 mi. northeast of Glendora Mtn. Road 457 Comment
  UCSB6773  Avena fatua Ballard 1954-5-28 Los Angeles Padua Hills, near Claremont 274 Comment
  RSA602596  Azolla filiculoides Louis Cutter Wheeler 1946-12-14 6446 Los Angeles San Gabriel Mountains: San Dimas Canyon; ca. 1/4 mile upstream from dam. Comment
  POM350426  Baccharis pilularis L. E. Hoffman 1931-11-16 s.n. Los Angeles Malibu Creek Comment
  RSA706910  Baccharis pilularis Gary D. Wallace, M. Wallace 1985-3-2 2176 Los Angeles Palos Verdes Peninsula, S of Los Angeles. N of Portugese Bend and the school on Forrestal Rd. Comment
  CAS-BOT-BC98153  Baccharis salicifolia Timothy S. Ross; J. Mark Porter; Gery Allan; Vanessa Ashworth; Darin Banks; Megan Tommerup 1994-3-28 7419 Los Angeles Palos Verdes Peninsula : Rancho Palo Verdes; un-named horeshoe-shaped canyon to the NE of upper Forrestal Drive; 173 Comment
  SBBG63161  Baccharis salicifolia R. Hoffmann 1927-8-30 Los Angeles bed of Santa Clara River, near Castaic Comment
  SD107858  Baccharis salicifolia Robert F. Thorne, D. Propst & M Hoefs 1974-9-12 45104 Los Angeles Along stream running into reservoir in Cottonwood Canyon below Rancho Escondido. 105 Comment
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Jan 30 2015
  UCR92109  Baccharis salicifolia B. G. Pitzer, Paul Gomez 1996-4-28 2743 Los Angeles Los Angeles Basin, Harbor City / City of Wilmington, Harbor Regional Park, at intersection of Pacific Coast Hwy (Calif. Hwy 1) with Vermont Avenue Comment
  RSA93198  Baccharis salicifolia F. W. Peirson 1925-4-23 5802 Los Angeles Forks of San Gabriel River. 534 Comment
  UCSB10454  Baccharis salicifolia Lloyd, Robert 1959-2-27 Los Angeles 1/2 mile below dam in San Dimas Canyon, stream bed on west side of San Dimas Canyon Road; San Gabriel Mt. Range; Pacific Ocean drainage area 365 Comment
  UC53978  Baccharis salicifolia subsp. salicifolia H. P. Chandler 1907-9-9 7030 Los Angeles Ballona Marshes Comment
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Sep 26 2011
  SBBG60849  Balsamorhiza deltoidea R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  RSA92405  Bidens laevis F. W. Peirson 1919-11-7 1337 Los Angeles Rio Hondo Comment
  UCR229504  Bituminaria bituminosa Dan S. Cooper 2010-3-23 20100323- 06 B Los Angeles Western Transverse Range, eastern Santa Monica Mtns., Griffith Park, north end of Commonwealth Ave., near entrance to nursery 265 Comment
  CAS-BOT-BC482060  Bloomeria crocea var. crocea Alice Eastwood 1906-5-27 29 Los Angeles Garvanza Comment
  RSA286429  Boechera Anonymous s.n. Los Angeles Vincent Gulch, San Gabriel Mts. 2 3/4 miles down trail from Vincent Gap (Hwy 2) via Vincent Gulch to Prairie Fork, east fork of San Gabriel River 1524 Comment
  RSA482647  Boechera arcuata Ora M. Clark 1929-3-24 1792 Los Angeles Santa Susanna Mtns. [County: Los Angeles or Ventura] Comment
  UC284225  Boechera arcuata P. A. Munz 1923-5-26 6860 Los Angeles Rock Creek San Gabriel Mts. 1767 Comment
  SBBG12444  Bowlesia incana P. H. Raven 1962-5-8 17597 Los Angeles near mouth of cyn at S end of Seal Cove 9 Comment
  POM129266  Boykinia rotundifolia L. R. Abrams 1901-07 1872 Los Angeles San Gabriel Mountains: West Fork of San Gabriel River. Comment
  RSA612310  Boykinia rotundifolia Louis C. Wheeler 1932-7-9 952 Los Angeles San Gabriel Mountains: Rogers [Roberts] Canyon. 441 Comment
  UC1117454  Brachypodium distachyon Peter H. Raven 1962-5-22 17825 Los Angeles above Emerald Bay (Santa Catalina Island); Santa Catalina Island 121 Comment
  UCR178379  Brassica geniculata LeRoy Gross 2003-3-9 785 Los Angeles Transverse Ranges: San Rafael hills, (Verdugo Mountains Flora), 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
  CATA3523  Brassica nigra Benjamin J. Dion, Julia Parish, Volunteers 2018-3-8 004 Los Angeles Santa Catalina Island: Channel side; between a firepit at Campsite 8 and the slope above the beach at Parson's Landing 4 Comment
  JEPS53253  Brassica rapa Frank W. Peirson 1919-1-26 306 Los Angeles hills w. Rubio Canyon (San Gabriel Mts.); San Gabriel Mts. 579 Comment
  POM462  Brassica rapa P. A. Munz 1918-4-11 s.n. Los Angeles Claremont. 365 Comment
  RSA356051  Brassica rapa R. F. Thorne 1973-3-26 42719 Los Angeles Webb Canyon, N of Claremont 365 Comment
  CAS-BOT-BC100422  Brickellia californica L. R. Abrams 1916-10-31 6393 Los Angeles Fremont's Pass Comment
  OBI69359  Brickellia californica John Knapp, Denise Knapp 2002-11-27 24 Los Angeles Santa Catalina Island 76 Comment
  RSA507984  Brickellia nevinii Steve Boyd, Timothy S. Ross 1988-4-28 2237 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  UCR20415  Briza minor Edwin Kline 1920-6-1 s.n. Los Angeles Los Angeles 152 Comment
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Mar 8 2011
  RSA0034356  Bromus arenarius A. C. Sanders 2007-4-19 33423 Los Angeles Hills north of Oso Canyon and south of the National Cement Plant, Seen only in one place today: 34 deg 48 02N, 118 deg 44 52W. 1006 Comment
  SEINET901457  Bromus arizonicus Andrew C. Sanders 1988-1 7692 Los Angeles Ed Segundo Dunes, W. of L.A. International Airport, between Pershing Dr. and Vista Del Mar Blvd. 5 Comment
  RSA773617  Bromus carinatus R. G. Swinney 2009-6-24 11236 Los Angeles summit of Granite Mountain 1988 Comment
  SEINET10933822  Bromus carinatus F. R. Fosberg 1931-4-14 Fosberg S 4608 Los Angeles Middle Ranch Canyon. Santa Catalina Island. Creek bed. Upper Sonoran Zone. Eagle's Nest. Comment
  RSA0108916  Bromus diandrus R. G. Swinney 2011-3-26 14220 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 476 Comment
  SEINET3922243  Bromus diandrus Keith Dobry 1990-3-25 108 Los Angeles Simi Hills, at Dayton Canyon.; 0 Comment
  SEINET260201 Image available Bromus grandis M. Curto, L Allen 1990-7-10 687 Los Angeles Angeles National Forest ; San Gabriel Mts W of Hwy 2 Barley flats area along Angeles NF Trail 11W09. Also in section 7. 1700 Comment
  RSA0097176  Bromus hallii R. G. Swinney 2011-6-1 14980 Los Angeles San Gabriel Mountains: north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes'? 1207 Comment
  RSA709576  Bromus hordeaceus A. C. Sanders, Helen Kennedy 2005-4-13 29475 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between mint and Plum Canyons. 457 Comment
  UCR94668  Bromus hordeaceus A. C. Sanders, E. J. Lott 1993-5-6 13990 Los Angeles Western Mojave Desert, SW edge of Rosamond Dry Lake, near east end of Ave 'C,' just west of Piute Ponds and east of Sierra Hwy, at edge of Edwards AFB 700 Comment
  CAS-BOT-BC155335  Bromus laevipes Naomi Fraga; Paul Morton 2004-5-18 1183 Los Angeles Transverse Ranges. San Gabrile Mountains region. On ridgeline of Mount Hillyer, near summit. 1860 Comment
  HSC9312  Bromus madritensis subsp. rubens C. S. Apperson 1967-6-22 Los Angeles Newhall Ranger Station. Comment
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Aug 7 2014
  UC1131239  Bromus madritensis subsp. rubens A. D. Gifford 1935-5-8 669 Los Angeles Angeles National Forest, top of Whitaker Peak Whitaker Peak; Angeles National Forest, Whitaker Peak 1249 Comment
  UC589651  Bromus madritensis subsp. rubens Nell Murbarger April 1936 128 Los Angeles San Clemente Island Comment
  CAS-BOT-BC161860  Bromus rubens Le Roy Abrams 1901-4-1 1207 Los Angeles Ballina Habor. Comment
  RSA557824  Bromus rubens D. Charlton 1989-4-7 2830 Los Angeles Kentucky Springs, 1 mile south of Highway 14 on Sierra Highway. Comment
  RSA657470  Bromus rubens J. Totino 1976-4-22 15 Los Angeles Verdugo Mountains Region: Backyard on slope, 2776 Valley Vista Road [Valley View Road], Glendale. Feet. Comment
  SBBG13306  Bromus rubens M. A. Piehl -Jun-1962 62396 Los Angeles cyn E of Thirst 304 Comment
  UCR209596  Bromus tectorum R. G. Swinney 2008-7-3 9154 Los Angeles San Gabriel Mtns., Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2345 Comment
  UCR223349  Bromus tectorum R. G. Swinney 2009-7-29 11428 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  CDA5377  Buddleja saligna T. C. Fuller 1965-4-26 13379 Los Angeles Adjacent to power sub-station, east side of Rambla Pacifico Road, Santa Monica Mountains, 0.3 mile north of Malibu Sea Lion, Malibu. 0 Comment
  CATA3002  Caesalpinia spinosa Peter J. Dixon 2015-3-16 036 Los Angeles Santa Catalina Island: South side of Island, Bombing Range Rd. 222m south of Herman's Dam 158 Comment
  SBBG109037  Cakile maritima S. A. Junak 1996-5-31 SCl 563 Los Angeles behind (just inland from) West Cove 6 Comment
  LA212283  Cakile maritima R Thille; Carol Haines, A. L. Haines 1965-4-4 s.n. Los Angeles Seacliff near Los Angeles and Ventura county line. Comment
  CAS-BOT-BC167292  California macrophylla Ernest C. Twisselmann 1962-4-18 6959 Los Angeles San Clemente Comment
  RSA762417  Calocedrus decurrens R. G. Swinney 2008-8-13 9379 Los Angeles Icy Springs, tributary of Big Rock Creek 1756 Comment
  SBBG17349  Calochortus albus K. A. Wilson 1962-4-23 1263 Los Angeles Old Topanga Cyn Blvd Comment
  LA210417  Calochortus catalinae Carl Epling; 1926-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
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Apr 22 2014
  UC535381  Calochortus clavatus Ira W. Clokey, B. Templeton May 1929 4552 Los Angeles Mandeville Canyon Santa Monica Mountains 500 Comment
  SFV21047  Calochortus clavatus var. gracilis L. Gross, V. Soza 2001-6-6 435 Los Angeles Verdugo Mountains North side of mountains. Wildwood Fire Road (now deserted and growing back) off of Verdugo Mountain Way dirt fire road. Down the road (north) from the crest, on north-facing slope. 488 Comment
  UCR257109  Calochortus kennedyi Mitch Provance 2010-5-12 0510- 58 Los Angeles Western Transverse Range/W Mojave Desert, hills south side of Hwy 138, c. 3 miles west of Neenach and 5.5 miles east of intersection of Hwy 138 and N2/Ridge Route 1009 Comment
  RSA577462  Calochortus plummerae Louis C. Wheeler 1933-6-3 1868 Los Angeles Claremont. 381 Comment
  RSA628580  Calochortus plummerae Louis C. Wheeler 1967-7-18 10099 Los Angeles San Gabriel Mountains, Angeles National Forest: Vicinity of Yerba Buena Spring, Gold Creek off Little Tujunga. Comment
  CHSC98715  Calycoseris parryi LeRoy Gross 2005-5-3 2218 Los Angeles Transverse Ranges; San Gabriel Mountains region: West terminus of Holcomb Ridge, west of Big Rockl Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. Growing along Valyermo Road, clump in a side canyon. T4N, 5N R9W, 10W S6, 1, 31, NW1/4 of 6, NE1/4 of 1, SW1/4 of 31. 1149 Comment
  RSA716890  Calystegia longipes LeRoy Gross 2006-6-19 2519 Los Angeles Forest Service road survey: Santa Clara Divide. Along road (3N17.6) from North Fork Saddle Station east to near 34.37875, 118.23062. Comment
  RSA0080977  Calystegia macrostegia R. G. Swinney 2010-4-28 12416 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  SBBG58100  Calystegia macrostegia R. Hoffmann 1927-6-14 Los Angeles Neenach Comment
  UCR239611  Calystegia macrostegia Dan S. Cooper 2012-8-6 812- 53 Los Angeles Western Transverse Range; Santa Monica Mountains, Las Flores Canyon along Gorge Rd. 116 Comment
  SBBG31554  Calystegia macrostegia subsp. amplissima R. M. Beauchamp 1967-3-18 317 Los Angeles W of Wilson Cove Comment
  UC284284  Calystegia macrostegia subsp. amplissima P. A. Munz 1923-4-8 6622 Los Angeles w coast San Clemente Island (small canyon); w coast San Clemente Island Comment
  CSUSB1003  Calystegia macrostegia subsp. cyclostegia J. Operskalski 1976-4-24 Los Angeles La Canada, Dicken's Canyon, 1 mile north of Foothill Blvd. Comment
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Jun 2 2015
  CAS-BOT-BC215794  Calystegia macrostegia subsp. intermedia Le Roy Abrams 1903-6-8 3106 Los Angeles Hills near Inglewood Comment
  RSA394897  Calystegia macrostegia subsp. intermedia Anstruther Davidson s.n. Los Angeles Santa Catalina Island. Comment
  RSA630281  Calystegia macrostegia subsp. intermedia LeRoy Gross 1999-2-25 122 Los Angeles Verdugo Mountains: Along dirt road called Hostetler Mountain Way, right across La Tuna Canyon exit coming east bound on 210 freeway. 609 Comment
  SEINET4077935  Calystegia macrostegia subsp. macrostegia R. Moran 1941-1 593 Los Angeles Middle Ranch, San Clemente Island. 500 Comment
  UCR181292  Calystegia occidentalis subsp. fulcrata R. G. Swinney 1997-6-13 5593 Los Angeles San Gabriel Mtns, ridge NE of Table Mountain (peak 7473 ft.), c. 0.4 mi. west of San Bernardino Co. line 2195 Comment
  UCR238641  Calystegia occidentalis subsp. fulcrata Anuja Parikh, Nathan Gale 2010-6-18 3331 Los Angeles Transverse Range; San Gabriel Mountains, Upper Big Tujunga Canyon, 1.2 km north of State Hwy 2, Angeles Crest Hwy, 0.3 km west of Upper Big Tujunga Canyon Road, under powerlines 1225 Comment
  CAS-BOT-BC215911  Calystegia peirsonii Timothy S. Ross; Steve Boyd 1994-5-24 7851 Los Angeles North slopes draining toward Elizabeth Lake, south slopes toward Green Valley, Northeast summit of Grass Mountain, Liebre Mountains 1389 Comment
  RSA657298  Camissonia Greg Burchett, Lisa Kegarice, Curtis Clark 1992-5-26 92 -10 Los Angeles Santa Clara River west from I-5 to trailer park. Comment
  SBBG16004  Camissonia campestris subsp. campestris W. G. Webb 1935-4-19 Los Angeles near Castaic Comment
  RSA593458  Camissonia graciliflora Steve Boyd 1996-4-24 8637 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
  RSA186682  Camissonia guadalupensis subsp. clementina Peter H. Raven 1964-4-18 18772 Los Angeles San Clemente Island, Raven 17628 X Guadalupe Island, Moran & Ernst 6737 (Progenies) Comment
  RSA547429  Camissonia hirtella Tim S. Ross 1992-5-17 6355 Los Angeles San Gabriel Mountains: E Fork of the San Gabriel River; 166 degrees SSE, ca 370m distant from the mouth of Shoemaker Canyon 637 Comment
  RSA779208  Camissonia hirtella R. G. Swinney 2009-6-8 11076 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA311277  Camissonia hirtella Robert F. Thorne 1969-7-2 38293 Los Angeles San Gabriel Mountains, Angeles National Forest: near Chilao Creek, Upper Chilao Campground 1616 Comment
  RSA780008  Camissonia micrantha R. G. Swinney 2009-4-7 10301 Los Angeles Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  RSA756788  Camissonia pallida subsp. pallida Orlando Mistretta, Christine Mistretta 2008-4-28 2533 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California Edison transmission line tower (Segment 6, Impact area 9 per TRTP Survey 2008), vicinity of Upper Big Tujunga Canyon. 1128 Comment
  RSA579798  Camissonia strigulosa Tim S. Ross, Steve D. Boyd 1994-5-24 7846 Los Angeles Northeast summit of Grass Mountain: north slopes draining toward Elizabeth Lake; south slopes toward Green Valley. 1384 Comment
  UCR198512  Camissonia strigulosa Kai T. Palenscar 2008-4-3 s.n. Los Angeles San Bernardino Mountains, west of Angeles Forest Hwy and off of Aliso Canyon Road 1231 Comment
  UCR273267  Camissoniopsis R. G. Swinney 2011-5-10 14653 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, along Ecology Loop Trail from Nature Center to 0.65 miles to the east 488 Comment
  SDSU3322  Camissoniopsis bistorta H. Wedberg 1958-3-22 169 Los Angeles At Point Dume. Comment
  CAS-BOT-BC160436  Camissoniopsis cheiranthifolia subsp. suffruticosa Julia A. Bettys 1929-5-20 s.n. Los Angeles Manhattan Beach, Los Angeles Comment
  OBI36519  Capsella bursa-pastoris Mark Schneider 1973-1 s.n. Los Angeles Pierce College campus lawn Comment
  RSA441722  Cardionema ramosissimum Jack Rempel 1932-4-23 s.n. Los Angeles El Segundo. Comment
  UCR260359  Carduus pycnocephalus R. G. Swinney 2010-4-30 12449 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Canyon Debris Basin in the southernmost of the two east forks of Wilson Canyon 537 Comment
  RSA654593  Carduus pycnocephalus Scott Lowe 1991-5-12 33 Los Angeles San Gabriel River channel, about 400 m. north of San Gabriel River Parkway bridge, city of Pico Rivera. Comment
  SBBG117118  Carduus pycnocephalus subsp. pycnocephalus S. A. Junak with M. L. Hoefs, R. N. Philbrick 2001-5-18 SCa 1532 Los Angeles Cottonwood Cyn, ca. 2 mi inland from mouth of cyn 97 Comment
  RSA0013595  Carex alma Orlando Mistretta, Christine Mistretta 2011-6-30 5778 Los Angeles North Fork Mill Creek; along Forest Road 3N27 1200 Comment
  RSA775351  Carex alma Orlando Mistretta, Christine Mistretta 2010-6-4 5262 Los Angeles Monte Cristo Canyon (tributary of Mill Creek Canyon), 3.0 miles SW of Mill Creek Summit, along Southern California Edison transmission line corridor. 1372 Comment
  RSA88649  Carex barbarae F. W. Peirson 1920-5-8 2685 Los Angeles San Rafael Hills, west of Arroyo Seco. Comment
  RSA602739  Carex bolanderi L. C. Wheeler 1967-7-15 10032 Los Angeles San Gabriel Mountains: Angeles National Forest: SW side Mt. Waterman. 2134 Comment
  CAS-BOT-BC20861  Carex globosa Louis C. Wheeler 1932-7-2 897 Los Angeles San Gabriel Mountains.Browns Flat-Fern Canyon water trail. 1219 Comment
  SEINET10647595  Carex hookeriana Hermann E. Hasse Hasse s.n. Los Angeles Brackish Flats. Comment
  UCR192849  Carex multicaulis R. G. Swinney 1998-7-6 6292 Los Angeles San Gabriel Mtns., Mescal Canyon, 1.1 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1720 Comment
  CAS-BOT-BC118419  Carex praegracilis LeRoy Abrams 1903-4-10 3239 Los Angeles Ballona Marshes near Mesmer Comment
  CAS-BOT-BC115638  Carex triquetra Peter H. Raven; Henry J. Thompson; Sidney R. Snow 1956-6-22 9456 Los Angeles Below Mulholland Drive above Sepulueda Blvd, Santa Monica Mts. Comment
  UCR58758  Carex tumulicola F. C. Boutin 1967-4-23 1690 Los Angeles Channel Islands, east side of San Clemente Island, next major drainageway & canyon SE of Lemon Tank Comment
  RSA0065412  Castanopsis sempervirens Marion P. Harthill 1971-9-25 585 Los Angeles Mt. Baden Powell, Angeles National Forest. Comment
  CHSC114469  Castilleja Duncan S. Bell; Caitlin Elam, Evan Meyer 2013-6-13 5079 Los Angeles Transverse Ranges; San Gabriel Mountains region: Sheep Mountain Wildernesss; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA177855  Castilleja affinis Robert F. Thorne, Percy C. Everett 1965-5-11 34659 Los Angeles Santa Catalina Island, along road from Rancho Escondido to Little Harbor. 122 Comment
  SEINET4095423  Castilleja affinis R. Moran 1941-1 609 Los Angeles North of Wilson's Harbor, Santa Catalina Island. 50 Comment
  JEPS27407  Castilleja affinis subsp. affinis Peter H. Raven 1959-3-15 15357 Los Angeles 2.1 mi e Rambla Pacifica (Piuma Road); Santa Monica Mountains 487 Comment
  RSA588969  Castilleja applegatei subsp. martinii Orlando Mistretta 1994-6-8 1350 Los Angeles Little Rock Creek, un-named drainage draining N slope of Bare Mountain 1738 Comment
  RSA597016  Castilleja applegatei subsp. martinii Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3809 Los Angeles Ridgetop to the W of Crystal Lake [ridge descending SSW from Mt. Islip] 1866 Comment
  UC129405  Castilleja applegatei subsp. martinii Geo. B. Grant 1906-6-18 Los Angeles Summit Mt. Wilson Comment
  RSA561603  Castilleja applegatei subsp. martinii Steve D. Boyd, Orlando Mistretta 1993-6-3 8172 Los Angeles north of Sylmar and south of Santa Clarita. North of Santa Clara Rd (3N17.9) at head of eastern-most canyons 914 Comment
  CATA251  Castilleja exserta Mark L. Hoefs, A. Douglas Propst 1973-5-4 251 Los Angeles Santa Catalina Island: By West End Road, near Lyon's Head Point 70 Comment
  UC1349357  Castilleja exserta Robert F. Thorne 1966-4-7 35985 Los Angeles w end Santa Catalina Island (s of Parson Landing, sw of Arrow Point) 60 Comment
  UC538073  Castilleja exserta subsp. exserta David D. Keck 1935-3-18 3018 Los Angeles 2 mi e El Monte; San Gabriel River 91 Comment
  UCSB18269  Castilleja exserta subsp. exserta Oliver, Lois 1964-3-23 Los Angeles George F. Canyon; W of Palos Verdes Drive East; Rolling Hills Estates 134 Comment
  RSA161089  Castilleja foliolosa Peter H. Raven 1962-5-20 17769 Los Angeles Santa Catalina Island, Airport Road on main ridge about 1.5 miles west of Middle Ranch turn-off. Comment
  UCR147776  Castilleja foliolosa Valerie Soza, Et al. 2000-6-29 1043 Los Angeles Liebre Mountains, Jct. of Old Ridge Rte. (FSR 8N04) and road to summit of Liebre Mountain (FSR 7N23) 1189 Comment
  RSA400568  Castilleja foliolosa Ella M. Kennedy 1923-2-18 s.n. Los Angeles San Gabriel Canyon. Comment
  SD85157  Castilleja foliolosa E. R. Blakley 1962-10-5 5437 Los Angeles Edge of small gully, NE side of Black Jack Mt. at the junction of Island Road and Whites Landing Road, Santa Catalina Island 366 Comment
  UCR150391  Castilleja linariifolia L. C. Wheeler 1946-8-27 6261 Los Angeles Transverse Ranges; San Gabriel Mtns, Sandrock Creek at Pearblossom Hwy, near confluence of Sandrock Creek and Big Rock Creek; 0.25 mi SE of Big Rock Patrol Station 1113 Comment
  UCR189728  Castilleja miniata R. G. Swinney 1998-7-21 6479 Los Angeles San Gabriel Mtns., upper Fish Fork drainage, south-facing slope of Pine Mountain Ridge, 2.1 miles SW of Fish Fork Trail and Pine Mtn. Ridge 2085 Comment
  UCR256589  Castilleja subinclusa subsp. subinclusa Anuja Parikh, Nathan Gale 2011-6-4 3413 Los Angeles Western Transverse Range; eastern Liebre Mtns., Sierra Pelona, 5.5 km west of State Hwy 14, 2.0 km SW of California Aqueduct 1123 Comment
  SEINET3155948  Casuarina equisetifolia G. B. Grant 145 Los Angeles Pasadena Comment
  RSA660836  Caulanthus amplexicaulis var. amplexicaulis Gerald Braden 1988-5-22 29 Los Angeles Strawberry Peak., UTM 379652 N. 39744 E. [inaccurate UTM] Comment
  CAS-BOT-BC38300  Caulanthus cooperi C. Epling; L. Ellison 1930-4-17 s.n. Los Angeles Lancaster. Comment
  RSA0059396  Caulanthus coulteri var. coulteri Bonnie C. Templeton, Ira W. Clokey 1930-5-27 1422 Los Angeles 1 mi north of Elizabeth Lake. 850 Comment
  RSA66754A  Caulanthus heterophyllus var. heterophyllus F. W. Peirson 1921-4-3 5333 Los Angeles Pacoima canyon, Western San Gabriel Mts. 488 Comment
  CAS-BOT-BC47907  Ceanothus arboreus Huron H. Smith 1912-7-1 5167 Los Angeles Santa Catalina Island - summit 548 Comment
  UCR227653  Ceanothus arboreus R. F. Thorne 1968-2-25 37912 Los Angeles Channel Islands, Santa Catalina Island, Cherry Valley 49 Comment
  CAS-BOT-BC48733  Ceanothus crassifolius H. E. McMinn 1926-7-24 1796 C Los Angeles San Antonio Canyon Comment
  LA52212  Ceanothus crassifolius Henry J. Thompson; 1959-2-23 1851 Los Angeles SANTA MONICA MOUNTAINS, Castro Peak, Latigo Canyon Rd, 1 mi SE Mulholland Hwy, N side of main crest of mountains, NW slope of Castro Peak. 594 Comment
  RSA313424  Ceanothus crassifolius T. S. Elias 1984-4-29 8320 Los Angeles Angeles National Forest; San Gabriel Mountains. Along road to Baldy Camp 976 Comment
  UCR198327  Ceanothus crassifolius Gary Kovnat, LeRoy Gross 2003-1-19 06 Los Angeles Transverse Ranges; San Gabriel Mountains region, Angeles National Forest, Gold Creek Ecological Preserve, south terrace south descending trail Comment
  CAS-BOT-BC48869  Ceanothus cuneatus Le Roy Abrams; E. A. McGregor 1908-6-20 410 Los Angeles Liebre Mountains, near Elizabeth Lake Comment
  RSA639840  Ceanothus cuneatus Sandy Leatherman, Brian Daniels 1998-11-10 60 Los Angeles E of Bouquet Canyon road, S of Esquerra 610 Comment
  RSA399024  Ceanothus cuneatus var. cuneatus A. Menke 1955-4-16 s.n. Los Angeles Pine Canyon near Hidden Lake. Comment
  RSA654200  Ceanothus integerrimus Kelly Middleton, David Middleton 1988-5-8 2 Los Angeles Glendora Ridge Road, 4.4 miles west of Mt Baldy Road intersection. 1220 Comment
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Jun 2 2014
  RSA748444  Ceanothus integerrimus Orlando Mistretta 1992-8-20 s.n. Los Angeles Transverse Ranges; San Gabriel Mtns Region: Mt. Gleason. Tujunga Ranger District. Comment
  UCSB33721  Ceanothus integerrimus Griesel, Wesley 1961-5-16 Los Angeles State Highway #2, Charleton Flats, San Gabriel Mts 1524 Comment
  CAS-BOT-BC50562  Ceanothus leucodermis Le Roy Abrams; E. A. McGregor 1908-6-19 328 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  UCR142077  Ceanothus leucodermis A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al 2003-4-30 26254 Los Angeles Western San Gabriel Mtns., Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment
  POM305749  Ceanothus leucodermis Henry J. Ramsey, Henry J. Ramsey 1937-6-27 944 Los Angeles Pine Canyon, north of Pacoima Reservoir, Angeles National Forest. Comment
  OBI10435  Ceanothus megacarpus Louis C. Wheeler 1932-2-20 448 Los Angeles Mandeville Cyn, Santa Monica Mts 137 Comment
  UCR3984  Ceanothus megacarpus Art Whistler 1965-3-27 s.n. Los Angeles Transverse Range; Santa Susana Mtns., fire road through a canyon about 0.5 mi west of Chatsworth Reservoir in Chatsworth 274 Comment
  HSC79119  Ceanothus megacarpus subsp. insularis James Henrickson Jan 1973 8121 Los Angeles 2 air miles WNW of Avalon. Comment
  SBBG68433  Ceanothus megacarpus var. megacarpus unknown -May-1893 Los Angeles Cahuenga Pass Comment
  SBBG22036  Ceanothus oliganthus var. oliganthus R. F. Thorne 1964-1-25 34055 Los Angeles Chantry Flats N of Sierra Madre 762 Comment
  UCR127032  Ceanothus oliganthus var. oliganthus A. C. Sanders, Mark A. Elvin 2003-6-18 26945 Los Angeles Santa Susana Mountains, Western Transverse Range, around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon 1037 Comment
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Mar 27 2007
  LA42093  Ceanothus spinosus Carl Epling; Lincoln Ellison 1929-3-16 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA398936  Ceanothus spinosus T. S. Clare 1929-3-10 s.n. Los Angeles Topango [Topanga] canyon. 488 Comment
  SBBG16835  Ceanothus spinosus M. Vincent 1962-7-10 271 Los Angeles Mulholland Hwy near Stunt Rd, 3 mi S of Ventura Blvd. Comment
  RSA702830  Celtis australis Scott D. White 2004-4-23 10233 Los Angeles City of Pasadena. Arroyo Seco at La Loma Road bridge crossing. 213 Comment
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Sep 14 2006
  RSA0042039  Centaurea melitensis R. G. Swinney 2010-5-4 12485 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  RSA723071  Centaurea melitensis LeRoy Gross 2007-5-16 2739 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
  SEINET3146187  Centaurea melitensis G. B. Grant 153 Los Angeles Pasadena Comment
  RSA652048  Centranthus ruber Gene Cooper 1961-4-1 s.n. Los Angeles Dalton Canyon, N. of Glendora. Comment
  RSA777920  Centrostegia thurberi R. G. Swinney 2009-5-6 10671 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 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
  UC1409192  Centrostegia thurberi var. thurberi C. W. Tilforth, John Dourley 1973-5-24 824 Los Angeles 2 mi ene of Valyermo (San Gabriel Mountains, Bob's Gap); San Gabriel Mountains, Bob's Gap Comment
  RSA681916  Cerastium fontanum subsp. vulgare Scott D. White 2001-3-24 8167 Los Angeles Claremont: Roadside. Irrigated or landscaped areas on residential street west of Indian Hill Blvd. 335 Comment
  UC8261  Cerastium glomeratum Dr. A. Davidson Los Angeles all Los Angeles Los Angeles Comment
  CAS-BOT-BC142135  Cercocarpus betuloides Mary H. Ward 1971-2-17 125 Los Angeles San Rafael Hills behind Linda Vista, southwestern Pasadena 304 Comment
  LA200812  Cercocarpus betuloides var. betuloides Jonathan Sauer; H. N. Sauer, J. Zadny, M. Zadny 1969-3-17 4392 Los Angeles Comment
  CAS-BOT-BC137237  Cercocarpus betuloides var. blancheae Peter H. Raven 1962-5-21 17800 Los Angeles Santa Catalina Island: Bullrush Canyon, about opposite ranch in Middle Canyon 213 Comment
  RSA250448  Cercocarpus ledifolius Robert F. Thorne, John Dourley 1967-10-3 37293 Los Angeles Mt. Baden Powell, just south of peak 2851 Comment
  CAS-BOT-BC143820  Cercocarpus ledifolius var. ledifolius Miss. H. D. Geis 1908-5-31 s.n. Los Angeles Rim Trail, Mt. Wilson 1706 Comment
  RSA610964  Cestrum nocturnum Louis C. Wheeler 1936-2-23 4079 Los Angeles San Gabriel: 217 S. Muscatel Avenue. Siskiyou Mountains: Oak Knoll Ranger Station, Klamath River. 107 Comment
  SDSU6493  Chaenactis artemisiifolia Gerald Collier 1951-5-15 M 567 Los Angeles Ravine north of Sunset Blvd 1 miles east of ocean. Comment
  UCSB10325  Chaenactis fremontii Haller, John 1957-4-13 Los Angeles On Palmdale Ave. 0.7 miles E. of jct. with Calif. 138 and ca. 9 miles E. of center of Palmdale 762 Comment
  UCR186559  Chaenactis glabriuscula A. C. Sanders 2006-5-16 32344 Los Angeles Tehachapi Mtns. Foothills, off Gorman Post Rd. near the Bailey Substation, c. 1 mile west of Quail Lake 1067 Comment
  RSA313019  Chaenactis glabriuscula var. glabriuscula R. F. Thorne 1969-7-2 38228 Los Angeles San Gabriel Mountains, Angeles National Forest: Charlton Flats burn (of 1954) 1601 Comment
  UCD130438  Chaenactis santolinoides Wesley O. Griesel 1962-6-27 s.n. Los Angeles Dawson Saddle, San Gabriel Mountains. 2438 Comment
  UCSB31624  Chaenactis santolinoides Griesel, Wesley 1962-6-27 Los Angeles Dawson Saddle, San Gabriel Mts. 2438 Comment
  RSA587510  Chaenactis stevioides Orlando Mistretta 1995-3-24 1561 Los Angeles San Gabriel Mountains: Carr Canyon. 1098 Comment
  RSA739750  Chamaesyce albomarginata John Dittes 2006-6-5 1408 Los Angeles Transverse Ranges, San Gabriel Mtns, Peace Valley, E of Gorman Creek, 4.9 air miles NW of Pyramid Lake Dam, 6.7 air miles SE of Forman, 0.6 air miles N of Confluence of E side of Interstate Hwy5, N and E of Little Bear Road exit. 896 Comment
  RSA226999  Chamaesyce albomarginata R. F. Thorne, C. W. Tilforth 1971-6-17 39969 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  CHSC95365  Chamaesyce maculata LeRoy Gross; Wayne Law 2000-8-8 256 Los Angeles Big Tujunga Wash/Verdugo Mountains Region: East of Hansen Dam, entered at Orcas Ave. parked at Orcas Park, hiked east of this park along river (just north of Wentworth Street), but not as far as the Tujunga ponds. 337 Comment
  JEPS51898  Chamaesyce maculata Geo. B. Grant 1904-9-2 427 Los Angeles Pasadena Comment
  RSA724506  Chamaesyce maculata K. Dobry 1991-6-27 d- 802 Los Angeles Santa Monica Mts 1 mi E of Las Virgenes Rd along Mulholland Hwy Comment
  RSA610142  Chamaesyce melanadenia L. C. Wheeler 1936-7-3 4211 Los Angeles San Gabriel Mountains: Bailey Canyon. 396 Comment
  RSA498539  Chamaesyce melanadenia L. C. Wheeler 1934-4-22 2535 Los Angeles S slope , decomposed granite W side near mouth of Santa Anita Canyon. 518 Comment
  CAS-BOT-BC70016  Cheilanthes covillei John Thomas Howell 1928-2-11 3344 Los Angeles along trail from Haines Canyon to Mt. Lukens, San Gabriel Mts. Comment
  RSA482388  Cheilanthes covillei Richard Noyes 1987-10-17 454 Los Angeles San Gabriel Mountains. San Antonio Canyon. One-half mile north of Mt. Baldy road tunnels along gated road leading to power station. 1037 Comment
  RSA0048630  Cheilanthes covillei Jeff Goldberg 1973-1-14 s.n. Los Angeles Angeles Crest Highway, near the Narrows, San Gabriel Mountains. 609 Comment
  SBBG131911  Chenopodium album S. A. Junak 2000-6-30 SCa 1355 Los Angeles upper end of Little Harbor, near camp area, cmpgrd (N end) 7 Comment
  UCR219310  Chenopodium album Lorraine Weller 2009-5-5 050509- 03 Los Angeles Los Angeles, Greater Watts Community Gardens, 600 block East 118th Place 35 Comment
  RSA423259  Chenopodium album L. C. Wheeler 1932-10-7 1421 Los Angeles U. C. L. A. Campus, W Los Angeles. 137 Comment
  RSA423286  Chenopodium album Gertrude Dunn 1930-8-16 s.n. Los Angeles San Gabriel Canyon Comment
  RSA610207  Chenopodium album L. C. Wheeler 1970-9-3 s.n. Los Angeles San Gabriel Mountains: Henninger Flats. 793 Comment
  UCD97768  Chenopodium album John Thomas Howell 1950-11-9 27479 Los Angeles Devil's Gate Dam, Pasadino. Comment
  RSA423406  Chenopodium ambrosioides Freda Detmers 1930-1-18 s.n. Los Angeles In vacant lot, Verdugo Village Comment
  CHSC98104  Chenopodium berlandieri LeRoy Gross; Michael Denslow, Bill Hogshead, S. Swartzentruber 2003-6-17 1041 Los Angeles Transverse Ranges; Verdugo Mountains region: South side of mountains: Brand Canyon, below the large waterfall, where the canyon forks off. 393 Comment
  LA31621  Chenopodium berlandieri Peter H. Raven; Henry J. Thompson 1959-10-18 14676 Los Angeles Santa Monica Mountains, Medea Creek, mouth of Medea Creek, N arm of Malibu Lake 220 Comment
  UCR258889  Chenopodium berlandieri R. G. Swinney 2010-8-16 13519 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  RSA478471  Chenopodium botrys Raymond J. Dobbs s.n. Los Angeles Mt. Pacifico, S. Calif Comment
  RSA604691  Chenopodium botrys L. C. Wheeler 1967-9-29 s.n. Los Angeles Ridge 1/2 mile WNW Pine Mountain. 1249 Comment
  SBBG98655  Chenopodium californicum T. Ross 1991-5-20 5353 Los Angeles un-named knoll ca. 5500' S of Wilson Cove settlement; 2500' NW of the 750' Benchmark 185 Comment
  UC452631  Chenopodium californicum C. F. Millspaugh 1920-2-7 4696 Los Angeles Pebble Beach Canyon Santa Catalina Island Comment
  UCR255839  Chenopodium californicum R. G. Swinney 2010-3-10 11831 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  RSA226143  Chenopodium pratericola R. F. Thorne, C. W. Tilforth 1971-6-17 39928 Los Angeles 7 miles up Little Tujunga Canyon Road from Little Tujunga station. San Gabriel Mountains, Angeles National Forest 671 Comment
  RSA279020  Chenopodium rubrum R. F. Thorne, C. W. Tilforth, S. Nilsson 1972-7-20 42192 Los Angeles San Gabriel Mts., Angeles National Forest: Caldwell Lake near Valyermo (sag pond on the San Andreas Fault) 1570 Comment
  CATA141  Chlorogalum pomeridianum Mark L. Hoefs, A. Douglas Propst 1973-3-14 105 Los Angeles Santa Catalina Island: Upper Cape Canyon 335 Comment
  RSA629712  Chlorogalum pomeridianum var. pomeridianum Louis C. Wheeler 1947-4-20 6469 Los Angeles San Gabriel Mountains: South side of Millard Canyon ca. 1/4 mile westerly from Lincoln Avenue Water Company Reservoir.. . 609 Comment
  UCR266149  Chondrilla juncea R. E. Riefner Jr. 2015-7-19 15- 205 Los Angeles city of Elysian Valley, east of Riverside Drive, Los Angeles River Trail, Blake Avenue between Oros Street and Fernleaf Drive 93 Comment
  CAS-BOT-BC252767  Chorizanthe parryi var. fernandina W. S. Lyon 1884-4-1 s.n. Los Angeles Los Angeles River Comment
  RSA714980  Chorizanthe parryi var. fernandina Mark A. Elvin, Vipul Joshi, Tricia Wotipka 2003-6-11 2940 Los Angeles N end of Santa Susana Mtns.: Newhall Ranch, ridge ca 900 m SW of 'Airport Mesa' 366 Comment
  SBBG132191  Chorizanthe parryi var. fernandina A. Parikh, N. Gale 2014-5-11 2163 Los Angeles 1.2 km SE of Hwy 126, 2.4 km W of Interstate 5; N side of Santa Susana Mtns; Newhall Ranch 380 Comment
  UCD99811  Chorizanthe parryi var. fernandina A. C. Sanders; Mark A. Elvin, et al. 2003-4-16 26060 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, north of the powerlines south of Magic Mountain Parkway, near I-5 and new golf course. 366 Comment
  SD125896  Chorizanthe parryi var. parryi L. F. LaPre, T. Mulroy 1986-4-7 Los Angeles Near junction of Foothill Blvd anf Irindale Ave., City of Irwindale, isolated floodplain between gravel pit and San Gabriel River Channel 550 Comment
  RSA774244  Chorizanthe perfoliata R. G. Swinney 2009-5-5 10641 Los Angeles Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing. 951 Comment
  SDSU21089  Chorizanthe spinosa Ian Cain 2010-5-9 1398 Los Angeles East south east of Llano. Just north of the corner of Highway 138 and 185th street east 1003 Comment
  UC131091  Chorizanthe staticoides Katharine Brandegee May 1909 Los Angeles Saugus Comment
  UCR223091  Chorizanthe watsonii R. G. Swinney 2009-5-13 10759 Los Angeles Transverse Range; San Gabriel Mtns., upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1183 Comment
  UCR228424  Chorizanthe xanti var. xanti Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-21 8053 Los Angeles Lower south foothills of Sierra Pelona, 500 m N of Governor Mine, 800 m E of Red Rover Mine Rd, and 2.2 km N of I-14/Sierra Highway 1110 Comment
  SFV6846  Chrysolepis sempervirens T. Gordon, K. A. Wilson, D. R. Perry 1974-8-14 588 Los Angeles San Gabriel Mountains Trail to Mount Baden-Powell. 2439 Comment
  POM118186  Chrysothamnus nauseosus subsp. hololeucus H. M. Hall 1917-10-27 10586 Los Angeles 16km W of Lancaster, Antelope Valley Comment
  SEINET11860304  Cirsium californicum J. F. Bright, Wyman, C. 1931-6-20 5564 Los Angeles around Los Angeles Comment
  SFV3833  Cirsium occidentale var. californicum C. Gasser 1956-5-27 s. n. Los Angeles Santa Monica Mountains Beverly Glen Blvd. near Deer Vale Drive. Comment
  SBBG118693  Cistanthe maritima O. Mistretta 1992-4-5 143 Los Angeles Guds Comment
  CAS-BOT-BC173166  Cistanthe monandra Timothy S. Ross; Steve Boyd 1994-5-4 7644 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
  SBBG118568  Cistanthe monandra L. Gross with O. Mistretta, V. Soza 2003-5-13 897 Los Angeles Big Rock Crk, N and E of Valyermo Ranger Stn, off Big Pines Hwy; T4N R9W S8 1143 Comment
  RSA247413  Cistus creticus Jack Delaini, Barbara Shervanick 1974-5-23 202 Los Angeles on west ridge of canyon 762 Comment
  UC1611556  Cistus incanus Tim Ross and Walter Appleby 1993-4-15 6821 Los Angeles southerly draw ca. 515 m ssw May Canyon Saddle (draining to Wilson Canyon, disturbed area on n side of Loop Canyon Rd.); Western San Gabriel Mtns., San Fernando 7.5' USGS Quad. 1011 Comment
  RSA279054  Cistus ladanifer R. F. Thorne 1971-4-23 41464 Los Angeles San Gabriel Mountains, Angeles National Forest: Chantry Flats, along trail to Santa Anita Canyon. 609 Comment
  RSA453456  Clarkia bottae Anstruther Davidson 1889-07 s.n. Los Angeles Foothills. Los Angeles. Comment
  UCR130864  Clarkia bottae A. C. Sanders, D. Malueg 1998-6-22 22055 Los Angeles San Gabriel Mtns., Little Tujunga Canyon Road near mile post 12, 3.5 miles south of Bear Divide and 1 km (air) west of Dillon Divide 701 Comment
  UCR192932  Clarkia bottae Dan S. Cooper 2008-4-5 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., northwest entrance to Griffith Park, vicinity of Travel Town and adjacent to cemetery, Los Angeles 175 Comment
  RSA73318  Clarkia cylindrica subsp. cylindrica F. W. Peirson 1930-5-12 4113 Los Angeles North slope along road above Bouquet Canyon. 1067 Comment
  RSA631079  Clarkia epilobioides Louis C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island. 0.3 mile south southeast Isthmus Bench Mark. 122 Comment
  UC930753  Clarkia epilobioides C. F. Baker 1904-5-5 4735 Los Angeles Claremont Comment
  UCR188659  Clarkia purpurea R. G. Swinney 1990-4-28 1573 Los Angeles Los Angeles Basin, western section of South Hills, a ridge on the south side of the city of Glendora; east of Glendora Avenue 259 Comment
  CAS-BOT-BC163707  Clarkia purpurea subsp. quadrivulnera John Thomas Howell 1928-6-10 3875 Los Angeles Above Monrovia Dam, Monrovia [Canon] Canyon, San Gabriel Mts. Comment
  RSA512035  Clarkia purpurea subsp. quadrivulnera Louis C. Wheeler 1967-5-18 9645 Los Angeles Angeles National Forest; Placerita Canyon. 518 Comment
  RSA642277  Clarkia rhomboidea Orlando Mistretta 1995-6-23 1844 Los Angeles San Gabriel Mountains: Lookout Mt. Trail. 1631 Comment
  CAS-BOT-BC165498  Clarkia unguiculata Steve Boyd; Amber Maurice 2004-5-18 11322 Los Angeles Transverse Ranges; Liebre Mountains region: Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain 610 Comment
  RSA0055771  Clarkia unguiculata R. G. Swinney 2010-4-28 12388 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA493  Clarkia unguiculata J. T. Howell 1928-6-29 1012 Los Angeles Near Seminole Hot Springs. Santa Monica Mountains 305 Comment
  UC206788  Clarkia unguiculata Katharine Brandegee Los Angeles Santa Catalina Island Comment
  POM128775  Clarkia xantiana subsp. parviflora F. W. Peirson 1927-5-21 7300 Los Angeles Rock Creek, north base of San Gabriel Mountains. 1524 Comment
  RSA597992  Claytonia exigua subsp. exigua Steve Boyd, Lauren Raz 1997-3-14 9164 Los Angeles Liebre Mountains, lower north flank of Liebre Mountain, eastern slope of Horse Camp Canyon. 1389 Comment
  RSA656486  Claytonia parviflora subsp. parviflora Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 719 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
  RSA727536  Claytonia parviflora subsp. utahensis R. G. Swinney 1998-5-16 6086 Los Angeles San Gabriel Mountains/Mojave Desert: near Pinon Hills, Mescal Highlands, 0.9 mile west of 237th St. East at Panorama Way, 2.3 mi. S of Ft. Tejon Rd. 1402 Comment
  UCR51861  Claytonia parviflora subsp. utahensis Steve Boyd, T. S. Elias 1987-4-14 2047 Los Angeles San Gabriel Mtns., Rincon to Red Box Road, south of Rincon Forest Station, north of Glendora 991 Comment
  POM158016  Claytonia perfoliata subsp. mexicana M. B. Dunkle 1928-3-31 1797 Los Angeles Santa Catalina Island. Cottonwood Canon 183 Comment
  RSA485419  Claytonia perfoliata subsp. mexicana Steve Boyd, Thomas S. Elias 1987-4-14 2047 Los Angeles San Gabriel Mountains: Rincon - Red Box Road, S of Rincon Forest Station, N. of Glendora Comment
  CAS-BOT-BC91388  Clematis lasiantha Louis C. Wheeler 1932-7-2 886 Los Angeles East Fork San Dimas Canyon, San Gabriel Mountains. 914 Comment
  RSA386216  Clematis lasiantha Louis C. Wheeler 1932-3-20 509 Los Angeles Head Mandeville Canyon. 457 Comment
  SFV1264  Clematis lasiantha K. A. Wilson 1961-3-12 1018 Los Angeles Santa Monica Mountains Decker Road, 1 mile north of junction of eastern portion of Mulholland Highway. 490 Comment
  RSA0051650  Clematis lasiantha Catherine Haines 1951-4-15 s.n. Los Angeles Topanga., Topanga Hi-way, 300 yds. above spring at foot of grade, W. side Rd. 60 Comment
  RSA650482  Clematis pauciflora Phil Drooks 1981-4-26 2 Los Angeles Hwy 39, N of West Fork about 3 mi. Comment
  RSA84469  Clematis pauciflora F. W. Peirson 1921-3-6 s.n. Los Angeles San Gabriel Wash. 213 Comment
  SEINET4074910  Cleome isomeris R. Moran 1941-1 668 Los Angeles Collected south of Wilson's Harbor on Santa Catalina Island. 25 Comment
  SEINET10472089  Clivia miniata Jon Ricketson, Heidi H. Schmidt 1992-10-21 Ricketson 4840 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Garden, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  RSA0082604  Collinsia bartsiifolia var. davidsonii Ernest C. Twisselmann 1962-4-18 6952 Los Angeles Tejon Ranch: Oso Canyon. 1036 Comment
  RSA408266  Collinsia heterophylla L. E. Hoffman 1929-6-23 s.n. Los Angeles Pacoima Canyon, Angeles Forest; Pacoima Wash. Open trail side. Comment
  RSA491788  Collinsia heterophylla James L. Reveal 1988-5-17 6787 Los Angeles Along the Bouquet Canyon Road just east of Bouquet Reservoir, 0.1 mile east of the junction of Green Valley (or Spunky Canyon) Road and 6.3 miles south-westof Elizabeth Lake Road (Couty Road N2) in Leona Valley., 3 miles west of San Franciscito Road at the Angeles National Forest boundary. 945 Comment
  CAS-BOT-BC240950  Collinsia parryi Geo. B. Grant 1905-5-4 s.n. Los Angeles Pasadena Comment
  SBBG66424  Collinsia parryi R. Hoffmann 1929-5-21 Los Angeles Pine Cyn Comment
  RSA563507  Colutea arborescens Tim S. Ross, W. Appleby 1993-6-8 7373 Los Angeles Western San Gabriel Mountains: Bear Divide; off the west side of Little Tujunga Road, just east of the Forest Service Station. At head of draw draining SE to Pacoima Canyon. 793 Comment
  UCR262471  Colutea arborescens Esther Chuang 2013-5-27 30 Los Angeles San Gabriel Mountains, Angeles National Forest, San Gabriel Canyon Road/Hwy 39 1005 Comment
  HSC18593  Comarostaphylis diversifolia subsp. planifolia G. E. Anderson 1966-4-6 48 Los Angeles 1 mi. S of Topanga near Hwy. 27 Comment
  UCSB18167  Comarostaphylis diversifolia subsp. planifolia Black, Richard 1964-3-29 Los Angeles 0.2 miles past gate on road from Chantry Flats to bottom of Big Santa Anita Canyon 457 Comment
  POM223076  Conium maculatum L. C. Wheeler 1933-7-7 1916 Los Angeles Lexington Wash near El Monte. 73 Comment
  SD69488  Constancea nevinii Robert F. Thorne, P. Everett 1965-6-22 34859 Los Angeles Santa Catalina Island; along Upper Pebble Beach Road. 29 Comment
  UCR54034  Convolvulus arvensis S. J. Myers 1988-10-13 s.n. Los Angeles Mojave Desert, East Lancaster, at and near Little Rock Wash, between 40th St. E and 70th St. E and between Ave. L and Ave. J 734 Comment
  RSA0043298  Convolvulus occidentalis Lee Haines s.n. Los Angeles Topanga Canyon. 304 Comment
  POM355827  Conyza bonariensis F. R. Fosberg 1931-7-10 5364 Los Angeles Eagle's Nest. Middle Ranch Canyon, Santa Catalina Island. 180 Comment
  RSA596982  Conyza canadensis Steve Boyd, Lauren Raz 1996-9-24 8956 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
  RSA412323  Cordylanthus nevinii Bonnie C. Templeton 1932-8-25 5068 Los Angeles Big Rock Creek, San Gabriel Mts. 1905 Comment
  SBBG126966  Cordylanthus rigidus subsp. setiger A. Parikh, N. Gale 2011-6-27 3510 Los Angeles upper Big Tujunga Cyn, just N of Shortcut Station, 0.6 km N of St Hwy 2; San Gabriel Mtns 1285 Comment
  UC1551978  Cordylanthus rigidus subsp. setiger Lyman Benson 1945-10-3 11848 Los Angeles Claremont Pomona Valley drainage 365 Comment
  RSA155910  Coreopsis gigantea Peter H. Raven 1962-5-22 17848 Los Angeles Santa Catalina Island. About 1 mile below Middle Ranch. Comment
  JEPS15875  Corethrogyne filaginifolia Joseph Andorfer Ewan 1934-8-11 8333 Los Angeles Chilao San Gabriel Mts., Chilao 1645 Comment
  POM356201  Corethrogyne filaginifolia L. E. Hoffman 1931-11-16 s.n. Los Angeles Malibu Creek Comment
  SEINET13387001 Image available Corethrogyne filaginifolia R. G. Swinney 2011-1 15899 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream (Azusa 7.5' Q.) 649 Comment
  UCR277231  Corethrogyne filaginifolia R. G. Swinney 2010-10-5 13970 Los Angeles San Gabriel Mountains, Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center 463 Comment
  SEINET7836962 Image available Corethrogyne filaginifolia J. H. Barber Unknown 291 Los Angeles Santa Monica Forestry Station Comment
  UCR190616  Cotoneaster lacteus R. G. Swinney 2000-5-10 7680 Los Angeles San Gabriel Mtns., Azusa, San Gabriel River Canyon, 1.2 miles NE of Sierra Madre Ave. on shoulder of Hwy 39 244 Comment
  CAS-BOT-BC287257  Cotula australis Geo. B. Grant 1905-4-3 224 -6460 Los Angeles Pasadena Comment
  RSA0051525  Cotula coronopifolia Elwood Fordham 1951-4-7 s.n. Los Angeles Zuma Beach, 50 ft. off road as it ends at beach. 3 Comment
  NY387836  Cotyledon nudicaule L. Abrams 1902-7-4 2652 Los Angeles San Gabriel Cañon. Comment
  RSA785525  Cowania mexicana var. stansburyana Doris Bowers 1957-4-25 831 Los Angeles Mojave Desert N/o Big Pines 1220 Comment
  SD69012  Crassula aquatica Robert F. Thorne, D. Propst 1968-5-29 37696 Los Angeles Santa Catalina Island; sandy mud margin of south end of Hay Press Reservoir. 399 Comment
  RSA725670  Crassula connata Steve Boyd 2003-1-17 10440 Los Angeles Vicinity of Irwindale east of the San Gabriel River and west of gravel pits, just north of Foothill Blvd, ca. 600 meters west of Irwindale Ave. 177 Comment
  CDA39880  Cressa truxillensis W. E. Henson Apr 1932 s.n. Los Angeles Antelope Valley. 0 Comment
  RSA187692  Cressa truxillensis R. F. Thorne 1966-9-14 36665 Los Angeles Grassy weedy, sunny flat area behind dunes and salina at Little Harbor. 5 Comment
  UC879476  Cressa truxillensis L. W. Nuttall 804 Los Angeles Santa Catalina Isl. Comment
  POM311760  Crossosoma californicum Karen Hosterman 1957-4-9 989 Los Angeles Catalina [Island]; Isthmus. Comment
  SBBG78118  Crossosoma californicum M. E. Jones 1928-5-29 Los Angeles isthmus Comment
  SBBG13257  Croton setiger M. A. Piehl 1962-6-10 62388 Los Angeles cyn E of Thirst 304 Comment
  UCR255496  Croton setiger Dan S. Cooper 2014-6-26 614- 43 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, along north side of Forest Lawn Rd. across from cemetery 152 Comment
  SBBG131695  Crypsis vaginiflora S. A. Junak 1999-9-11 SCa 1098 Los Angeles W side of upper Buffalo Springs reservoir 432 Comment
  UC1259367  Crypsis vaginiflora Barry Hammel 1976-8-2 403 Los Angeles Little Rock Reservoir San Gabriel Mountains, Angeles National Forest 1036 Comment
  RSA747351  Cryptantha barbigera R. G. Swinney 2008-5-8 8801 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
  CAS-BOT-BC189398  Cryptantha circumscissa Timothy S. Ross; J. Mark Porter 1994-5-1 7569 Los Angeles SW Mojave Desert: ca 1870 m SW of Three Sisters buttes, along Black Butte Basin Road 966 Comment
  RSA611514  Cryptantha circumscissa L. C. Wheeler 1968-5-12 s.n. Los Angeles Spring 2/3 mile E of Juniper Bowl; Juniper Hills. 1158 Comment
  UCR190374  Cryptantha circumscissa R. G. Swinney 2001-6-16 7989 Los Angeles San Gabriel Mtns., Juniper Hills, top of Pleasant View Ridge, south of intersection of 104th St. E and Juniper Hills Rd. 2006 Comment
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Mar 12 2017
  UC280372  Cryptantha clevelandii J. H. Barber 1897-3-14 48 Los Angeles Santa Monica Forestry Station Comment
  IRVC29638  Cryptantha corollata A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26207 Los Angeles Castaic Valley at west foot of Castaic Mesa, Newhall Ranch Western San Gabriel Mtns. 366 Comment
  RSA0014596  Cryptantha decipiens Orlando Mistretta, Christine Mistretta 2011-6-17 5704 Los Angeles Kentucky Springs Cyn, along Southern California Edison (SCE) transmission line corridor 1.75 miles S of SCE substation at Vincent, W of Angeles Forest Hwy 1087 Comment
  UCR193574  Cryptantha decipiens R. G. Swinney 1999-4-5 7059 Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 0.6 mi. south of Ft. Tejon Rd. (Ave. Y) on 213th St. East 1207 Comment
  RSA724749  Cryptantha intermedia K. Dobry 1991-5-13 532 Los Angeles West San Gabriel Mts at Elsmere Cyn 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
  UCR177161  Cryptantha intermedia LeRoy Gross 2001-5-6 382 Los Angeles Los Angeles Basin; Verdugo Mountains, Sun Valley, along trail that comes up from Morning Glow Way off of La Tuna Canyon Road 378 Comment
  SBBG98530  Cryptantha intermedia T. Ross 1991-5-21 5432 Los Angeles upper Box Cyn above area where cyn bottom is 1175 ft 396 Comment
  SEINET12280824  Cryptantha intermedia Unknown 1936-1 12712 Los Angeles Santa Monica Mts Comment
  RSA0016889  Cryptantha intermedia var. johnstonii O. W. Robinson 1916-3-21 s.n. Los Angeles Wash near Greek Theater, Claremont. Comment
  RSA0075632  Cryptantha intermedia var. johnstonii R. F. Thorne, M. Z. Thorne 1971-4-25 41333 Los Angeles San Gabriel Mountains: Johnson's Pasture north of Claremont. 609 Comment
  RSA159347  Cryptantha maritima P. H. Raven 1962-4-12 17318 Los Angeles San Clemente Island. Near foot of canyon south of canyon below the Tomb, west side of island 107 Comment
  RSA249775  Cryptantha micrantha R. F. Thorne 1973-4-20 42994 Los Angeles San Gabriel Mountains, Mojave Desert slope: 1 mile N of Bob's Gap, 3.2 miles S of Llano, N slope of Holcomb Ridge. 1143 Comment
  RSA518012  Cryptantha micrantha Steve Boyd, Orlando Mistretta 1986-3-31 1548 Los Angeles Mojave Desert: Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  RSA524630  Cryptantha micrantha var. lepida T. S. Ross, Steve D. Boyd 1990-5-17 2598 Los Angeles Mill Creek Tree Plantation, Tujunga District, Angeles National Forest 1613 Comment
  UCR264738  Cryptantha micrantha var. micrantha Steve Boyd, Gary D. Wallace 2011-4-14 12315 Los Angeles Transverse Ranges; Liebre / San Gabriel Mountains region, Acton Wash ca. 3 km east of junction of Soledad Canyon Road and Crown Valley Road. 829 Comment
  RSA709538  Cryptantha microstachys A. C. Sanders 2003-4-29 26163 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 396 Comment
  RSA0092147  Cryptantha muricata R. G. Swinney 2011-5-26 14845 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. 1061 Comment
  RSA724750  Cryptantha muricata K. Dobry 1991-3-15 427 Los Angeles San Gabriel Mts. Upper Elsmere Cyn Comment
  RSA0096980  Cryptantha muricata var. denticulata Richard G. Swinney 2011-5-31 14907 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  RSA0079622  Cryptantha muricata var. muricata Carl B. Wolf 1927-4-27 687 Los Angeles 1 mi. so. of Forest Inn. Ridge Route Road. Liebre Mts. Comment
  RSA0117722  Cryptantha nevadensis var. rigida A. C. Sanders 2007-4-25 33572 Los Angeles Tehachapi Mtns.: Oso Canyon, 0.5 mi. SE of Kern Co. line, on Oso Canyon Rd. 1128 Comment
  RSA0079525  Cryptantha pterocarya var. pterocarya R. G. Swinney 2008-5-5 8769 Los Angeles Punchbowl Canyon at north boundary of Devils Punchbowl County Park, confluence of East and West Forks of Punchbowl Cyn, 0.3 mi. south of Big Rock Creek 1256 Comment
  UCR205454  Cryptantha pterocarya var. pterocarya R. G. Swinney 2008-5-2 8730 B Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  RSA586694  Cryptantha simulans Orlando Mistretta 1995-6-20 1795 Los Angeles San Gabriel Mountains: Bare Mountain Canyon. Fountainhead spring, E of Pacifico Mtn. 2012 Comment
  RSA628376  Cryptantha simulans Scott D. White, Dave Bramlet 1998-6-29 6820 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness; 4-mile closed section of Hwy. 39 from ca. 1.6 miles W of jctn. Crystal Lake access road to jct. Hwy 2. 1707 Comment
  SEINET10625754  Cucumis melo Heidi H. Schmidt 1999-10-14 Schmidt 3835 Los Angeles City of San Gabriel. Hawaii Supermarket: 120 East Valley Boulevard: San Gabriel, CA: 91776: (626) 307-0062 - phone. 110 Comment
  RSA0048323  Cucurbita foetidissima Lee Haines 1948-7-6 s.n. Los Angeles Canoga Park. Comment
  SEINET10718142  Curcuma longa Mary Merello, Heidi H. Schmidt 1999-12-4 Merello 2568 Los Angeles City of Los Angeles. Chinatown. Ai Hoa Supermarket, 860 N. Hill St. Comment
  CAS-BOT-BC224492  Cuscuta californica Timothy S. Ross; Steve Boyd 1994-9-21 8284 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1708 Comment
  RSA709607  Cuscuta californica var. californica A. C. Sanders, A. Thompson 2003-4-15 25992 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park. 305 Comment
  RSA305716  Cuscuta occidentalis Mark Hoefs 1973-5-21 306 Los Angeles Santa Catalina Island, first ridge beyond Benton Mine entry gate. 122 Comment
  RSA0066071  Cycladenia humilis var. venusta L. C. Wheeler 1970-7-26 s.n. Los Angeles San Gabriel Mountains: Ca. 0.3 mile south of Middle (Mt.?) Hawkins. 2529 Comment
  LA51593  Cyclospermum leptophyllum Mildred E. Mathias; 1961-6-7 Los Angeles Dry W facing bank in front yard of 442 South Bently, Los Angeles 49 Comment
  SEINET9193610 Image available Cylindropuntia echinocarpa Marc A. Baker, Michelle Cloud-Hughes 2014-1 18262 Los Angeles San Gabriel Mountains, Grandview Canyon, 15km SE of Pearblossum, 40km north of Pomona 1460 Comment
  RSA660636  Cynodon dactylon Peter J. Estournes 1981-5-27 35 Los Angeles 2550 North Towne Avenue. Pomona. Comment
  SBBG98653  Cynodon dactylon T. Ross 1991-5-20 5366 Los Angeles upper S branch of un-named drainage that empties to sea just N of Jack Pt lighthouse 167 Comment
  UC1131377  Cynodon dactylon Jerome S. Horton 1937-9-21 495 Los Angeles near dam Dalton Canyon (<Dam Keeper's old house>); Pomona Quad., Dalton Canyon near Dam Comment
  CATA1351  Cyperus odoratus Mark L. Hoefs, Robert F. Thorne 1995-7-26 2458 Los Angeles Santa Catalina Island: Middle Canyon in stream bed just below reservoir 169 Comment
  IRVC28767  Dactyloctenium aegyptium A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-6 25552 Los Angeles north of Hwy 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons Santa Clara River Valley 274 Comment
  CHSC96045  Datisca glomerata LeRoy Gross 2003-6-17 1045 Los Angeles Transverse Ranges; Verdugo Mountains region: South side of mountains: Brand Canyon, above the large waterfall, where the canyon forks off. A smaller side canyon that branches to the ast of the main canyon. 519 Comment
  RSA305915  Datisca glomerata Fay A. MacFadden 1933-6-15 s.n. Los Angeles La Tuna Canyon, Verdugo Hills Comment
  UCR256214  Datisca glomerata R. G. Swinney 2010-6-4 13029 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  CHSC95371  Datura wrightii LeRoy Gross; Valerie Soza, Neil Gilbert 2000-10-18 286 Los Angeles Verdugo Mountains: Intersection of Verdugo Mountainway and Hostetter Mountainway. 914 Comment
  RSA595633  Datura wrightii Steve D. Boyd, Lauren Raz 1996-10-8 9023 Los Angeles Liebre Mountains region, rugged hills at eastern edge of Bouquet Canyon, south of Vasquez Canyon and northwest of Cruzan Mesa, along Vasquez Canyon Road, ca. 0.9 miles east of junction with Bouquet Canyon Road. 524 Comment
  RSA80387  Daucus carota F. W. Peirson 1920-6-22 2188 Los Angeles Roadside near Chino Creek, southeastern Los Angeles 152 Comment
  SD234268  Daucus pusillus A. C. Sanders, M. A. Elvin, et al. 2003-5-1 26282 Los Angeles Western San Gabriel Mtns.: NE side of Castaic Mesa, ca. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch. 395 Comment
  SD48942  Deinandra clementina Reid Moran 1958-9-15 6837 Los Angeles San Clemente Island, Wilson's Cove 49 Comment
  SBBG90430  Deinandra fasciculata M. C. Hochberg 1985-4-7 1210 Los Angeles Little Springs Cyn 243 Comment
  SBBG94272  Deinandra fasciculata F. R. Fosberg 1931-5-21 4930 Los Angeles Parson's Landing 20 Comment
  LA200235  Deinandra fasciculata J. Sauer; T. McKnight 4984 Los Angeles San Clemente Island, Wilson's Cove Comment
  RSA683319  Delphinium cardinale LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1102 Los Angeles North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. Follow a ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge., Tributary is north of the 210 freeway. South of freeway tributary will drain into La Tuna Canyon. All survey was done north of the 210. 457 Comment
  UC854073  Delphinium cardinale Geo. L. Fisher 1920-7-12 120 Los Angeles Mt. Wilson Los Angeles 731 Comment
  UCR256556  Delphinium cardinale Anuja Parikh, Nathan Gale 2011-7-12 3554 Los Angeles Transverse Range; San Gabriel Mountains, West Fork San Gabriel River, 2.6 km west of State Hwy 39, San Gabriel Canyon Road 523 Comment
  POM123102  Delphinium cardinale H. E. Hasse 1890-06 s.n. Los Angeles [Unspecified] Comment
  RSA394500  Delphinium cardinale R. J. Tinkler 1969-7-4 s.n. Los Angeles Lopez Canyon Road, San Fernando. Comment
  UCD95726  Delphinium glaucum Louis C. Wheeler 1968-6-14 s. n. Los Angeles San Gabriel Mountains: Spring on north side of Blue Ridge by Guffy Camp. Comment
  UCR182641  Delphinium glaucum R. G. Swinney 1997-7-23 5725 Los Angeles San Gabriel Mtns, upper Government Canyon, c. 2 miles west of Wrightwood, Blue Ridge Mtn. area 2378 Comment
  UC1126042  Delphinium gracilentum A. D. Gifford 1935-5-8 688 Los Angeles 4 3/4 mi ene Warm Springs; Angeles National Forest, Tejon Quadrangle Comment
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May 31 2007
  CAS-BOT-BC33197  Delphinium inflexum Anstruther Davidson 1927-5-1 3641 Los Angeles San Gabriel Mts. Fish Canyon. Comment
  UCR259052  Delphinium parishii R. G. Swinney 2010-5-12 12758 Los Angeles San Gabriel Mountains, Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  RSA571281  Delphinium parishii subsp. parishii Steve Boyd, D. L. Banks, Orlando Mistretta 1994-4-29 8322 Los Angeles Northern slope of the San Gabriel Mountains, Angeles National Forest, side draw on southeastern side of Mt. Emma, Santiago Canyon drainage. 1159 Comment
  UCD96268  Delphinium parryi Gerald Dickinson 1962-4-24 27 Los Angeles 1 mi. W. Old Topanga Canyon Rd - Mulholland. Santa Monica Mountains. 396 Comment
  UCD96297  Delphinium parryi A. C. Sanders 2003-4-29 26172 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 396 Comment
  SDSU10048  Delphinium parryi D. F. Howe 1947-5-3 1548 Los Angeles Mint Canyon, Mojave Desert. Comment
  CAS-BOT-BC121377  Delphinium parryi subsp. maritimum John I. Carlson 1914-4-28 s.n. Los Angeles Avalon, Catalina Island Comment
  CATA1031  Delphinium parryi subsp. parryi Mark L. Hoefs 1995-5-4 1953 Los Angeles Santa Catalina Island: Near road between Cherry Valley and Howland's Landing 91 Comment
  RSA398733  Delphinium parryi subsp. parryi I. W. Clokey 1930-5-13 s.n. Los Angeles Bouquet Canyon. Comment
  RSA398735  Delphinium parryi subsp. parryi Bonnie C. Templeton 1947-5-21 6252 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  UC854184  Delphinium parryi subsp. parryi L. W. Nuttall 1920-1 34 Los Angeles Santa Catalina Island Comment
  UC311365  Delphinium patens subsp. hepaticoideum Marcus E. Jones, A. M. 1882-5-2 3204 Los Angeles Pasadena Comment
  RSA0030019  Delphinium patens subsp. montanum Steve Boyd, T. S. Elias 1987-4-14 2053 Los Angeles San Gabriel Mountains, Rincon - Red Box Road, S of Rincon Forest Station, N. of Glendora Comment
  RSA0005335  Delphinium variegatum subsp. thornei Robert F. Thorne 1966-4-17 36078 Los Angeles San Clemente Island, between Boulder and Horton, NE side of island. 488 Comment
  SD69630  Dendromecon harfordii Robert F. Thorne, P. Everett 1965-5-10 34476 Los Angeles Santa Catalina Island, in gully in chaparral on west side of Black Jak Mountain. 487 Comment
  LA32135  Dendromecon rigida Peter H. Raven; 1959-3-8 13841 Los Angeles Santa Monica Mountains, Laurel Pass, Mulholland Drive, 5.0 mi E of Beverly Glen Canyon 335 Comment
  UC1126374  Dendromecon rigida G. T. Nordstrom 1935-2-21 336 Los Angeles 1 3/4 mi se mouth of Fish Creek; Angeles National Forest, Tejon Quadrangle Comment
  UCD95176  Dendromecon rigida James Dilley; Jaime Kneitel 1997-2-23 s.n. Los Angeles Angeles National Forest, Big Tujunga Canyon Rd., about 1 mile E of ranger station. Comment
  UCR124466  Dendromecon rigida I. W. Clokey, B. C. Templeton 1929-1 4488 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  UCR143205  Dendromecon rigida subsp. harfordii F. R. Fosberg 1931-5-21 S- 4933 Los Angeles Channel Islands, Santa Catalina Island; between Cherry Valley and Howland's Landing 20 Comment
  SEINET3507535 Image available Dentaria californica C. Francis Shutts 1949-3-13 19 Los Angeles San Dimas Canyon. San Gabriel Mt. Range. Comment
  UCR280416  Descurainia pinnata Onkar Singh 2014-3-18 4373 Los Angeles Mojave Desert, c. 10 km north of Littlerock, near junction of Avenue O and 110th St. 804 Comment
  UCR213357  Descurainia pinnata subsp. menziesii Justin M. Wood 2009-3-6 337 Los Angeles city of Claremont, northwest corner of Monte Vista Ave and Foothill Blvd. County line goes through property but most plants were collected in LA County 412 Comment
  LA201038  Descurainia sophia Peter H. Raven; Henry J. Thompson 1960-4-12 15027 Los Angeles Santa Monica Mountains, Triunfo Canyon, Triunfo Canyon Road 2.4 mi. E of Cornell Road 243 Comment
  RSA737101  Dicentra chrysantha Scott D. White, Justin M. Wood 2008-10-7 12548 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, between Bear Creek and Rincon Red Box Rd. 549 Comment
  RSA66259  Dicentra chrysantha F. W. Peirson 1918-7-7 56 Los Angeles San Antonio Canyon Comment
  RSA0056418  Dicentra ochroleuca 1930-6-17 1090 Los Angeles Frank's Canyon, north of Beverly Hills. Comment
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Sep 20 2019
  RSA0070367  Dichelostemma capitatum R. G. Swinney 2010-4-1 12142 Los Angeles San Gabriel Mountains: Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., (below burn area of 2009, Station Fire), below Forest Service boundary, from wash bottom to 150 m. to the west and from 50 to 150 meters north of Maclay. 399 Comment
  RSA0110891  Dichelostemma capitatum R. G. Swinney 2011-5-6 14617 Los Angeles San Gabriel Mountains: north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road. 793 Comment
  LA21934  Dichelostemma capitatum subsp. capitatum Mary Reynolds; 1937-4-12 81 Los Angeles SANTA MONICA MOUNTAINS, Franklin Canyon, ca 2 mi S of Mulholland Dr. 243 Comment
  RSA376844  Dichelostemma capitatum subsp. capitatum Fay A. MacFadden 1931-3-18 s.n. Los Angeles Tuna Canyon, Verduga [sic] Hills Comment
  RSA376829  Dichelostemma capitatum subsp. capitatum F. H. Elmore 1939-11-26 1 Los Angeles San Clemente Island. Pyramid Cove. Comment
  RSA533481  Dichelostemma capitatum subsp. capitatum Timothy S. Ross 1991-3-9 4200 Los Angeles Whittier Hills: (Puente Hills, pro parte): head of unnamed ENE-draining canyon. 290 Comment
  RSA534116  Dichelostemma capitatum subsp. capitatum Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5096 Los Angeles San Clemente Island: North Head; WNW of the new landing field. 15 Comment
  SD79042  Dichelostemma capitatum subsp. capitatum R. Mitchel Beauchamp 1967-1-28 144 Los Angeles Growing on slope west of the main road below Stone, San Clemente Island. Comment
  POM292882  Dichondra occidentalis Lyman Benson 1953-5-2 15107 Los Angeles Catalina Island. North face of Swain Canyon, Whites Landing 366 Comment
  CAS-BOT-BC209065  Digitaria sanguinalis Ernest C. Twisselmann 1970-10-17 17548 Los Angeles Gorman Highway 5 miles west of Highway 14, Antelope Valley - Mojave Desert 1005 Comment
  CAS-BOT-BC153048  Diplacus fremontii Wesley Griesel 1962-6-29 s.n. Los Angeles State Highway near Fuller Mill [Crek] Creek Camp, San Jacinto Mts. Comment
  CAS-BOT-BC150632  Diplacus longiflorus Francis W. Pennell 1940-6-25 26004 Los Angeles Mount Wilson 1706 Comment
  SEINET3148441  Diplotaxis tenuifolia G. B. Grant 1901-1 287 Los Angeles Pasadena Comment
  UC53555  Distichlis spicata H. P. Chandler 1902-9-9 2027 Los Angeles Ballona Marshes Comment
  UC673300  Dithyrea californica Herbert L. Mason 1926-4-27 3065 Los Angeles 30 mi w Victorville; Mohave Desert Comment
  LA44541  Dodecatheon clevelandii A. M. Johnson; 1932-2-27 Los Angeles Westwood, UCLA campus. Faculty Hill Comment
  SD90429  Dodecatheon clevelandii subsp. insulare Robert F. Thorn, M. Z. Thorne 1973-2-12 42465 Los Angeles Santa Catalina Island; Blue Cavern Point 60 Comment
  UCR271223  Dodecatheon redolens R. G. Swinney 2011-9-27 15708 Los Angeles San Gabriel Mountains, Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2384 Comment
  POM6745  Draba cuneifolia var. integrifolia P. A. Munz, L. T. Street, Williams 1919-3-8 2296 Los Angeles Pomona. Comment
  LA200100  Dryopteris arguta Lawrence L. Kiefer; 1966-3-6 1655 Los Angeles SANTA MONICA MOUNTAINS, Corral Canyon, ca 2 mi from canyon mouth. 304 Comment
  RSA128000  Dryopteris arguta P. H. Raven, Henry J. Thompson 1959-10-31 14726 Los Angeles Santa Monica Mountains. Mandeville Canyon 5.0 miles north of Sunset Boulevard 274 Comment
  RSA693705  Dryopteris arguta T. S. Clare 1930-3-2 14620 Los Angeles Oakwilde [Arroyo Seco] Comment
  RSA83360  Dudleya cymosa subsp. pumila F. W. Peirson 1919-5-10 453 Los Angeles Mt.Gleason 1372 Comment
  UC933193  Dudleya hassei Carl B. Wolf 1950-4-28 3628 Los Angeles facing Pebbly Beach; Santa Catalina Island Comment
  CAS-BOT-BC428405  Dudleya lanceolata John H. Thomas 1957-5-31 6793 Los Angeles Occidental College Campus, Los Angeles. Hills behind campus. Comment
  RSA397779  Dudleya lanceolata Anstruther Davidson 1893-04 s.n. Los Angeles Azusa Comment
  RSA635032  Dudleya lanceolata Valerie L. Soza, Kent Hughes 1999-6-17 543 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail at San Olene Canyon. 732 Comment
  UCR194008  Dudleya lanceolata R. G. Swinney 1998-8-17 6768 Los Angeles San Gabriel Mtns., upper Coldwater Canyon at NE end of Heaton Flat Trail 1372 Comment
  UC1015161  Dudleya lanceolata Reid Moran 1946-5-30 2062 Los Angeles 2.5 mi below Rincon Guard Station (near topotype); San Gabriel Canyon 518 Comment
  RSA486369  Dudleya multicaulis L. T. Street 1915-5-15 2794 Los Angeles Puddingstone Canyon Comment
  CATA3547  Dudleya virens subsp. insularis Peter J. Dixon 2018-5-30 111 Los Angeles Santa Catalina Island: Channel side; East End of Island, Junction of Renton Mine and East End Road; +/- .75 mi S. of Pebbly Beach, on road embankment. 0 Comment
  UCD60789  Echinochloa colona Louis C. Wheeler 1970-10-15 s. n. Los Angeles Los Angeles: Huntington Drive and Collins Avenue. Comment
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Oct 17 2014
  RSA609587  Echinochloa crus-galli L. C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mountains: Head of Whitney Canyon at Santa Clara Divide Road. 915 Comment
  UCD60922  Echinochloa crus-galli G. D. Wallace 1979-8-9 1874 Los Angeles SW corner of Baldwin Ave. and Foothill Blvd., Arcadia. Comment
  POM368090  Echium candicans George Vowels 1968-3-10 s.n. Los Angeles Mulholland Dr., east of Coldwater & west of Laurel Canyon. Comment
  LA211254  Eclipta prostrata Arthur C. Gibson; Tarja Sagar 2004-9-21 5196 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek State Park, along Malibu Creek. Comment
  UCR73395  Ehrharta calycina T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5082 Los Angeles Channel Islands, San Clemente Island, West Cove, SW of new landing field 6 Comment
  POM357047  Ehrharta erecta Robert Gustafson 1981-4-14 2178 Los Angeles Ballona Wetlands, Area 2. Comment
  SD193035  Ehrharta longiflora Scott D. White, Justin Wood 2008-5-8 11943 Los Angeles Puente/Chino Hills; SCE powerline corridor near Skyline Dr., and east of Hacienda Blvd; Hacienda Heights. 305 Comment
  CAS-BOT-BC112852  Eleocharis macrostachya Carl B. Wolf 1932-5-12 3597 Los Angeles Santa Catalina Island between Little Harbor and Cottonwood Creek. 45 Comment
  JEPS45929  Eleocharis macrostachya Louis C. Wheeler 1934-5-14 2591 Los Angeles San Dimas Canyon San Gabriel Mountains 441 Comment
  LA82498  Eleocharis palustris O. H. Kappler; 1943-5-2 387 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA605021  Eleocharis parishii L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1997 Comment
  POM184662  Eleocharis radicans L. C. Wheeler 1932-9-19 1388 Los Angeles Los Angeles R. [River] at Los Feliz Blvd 122 Comment
  SD72776  Elymus condensatus F. R. Fosberg 1931-5-14 S 4875 Los Angeles Middle Ranch Canyon, Santa Catalina Island, small ravine, canyon floor 199 Comment
  UCR62111  Elymus elongatus R. G. Swinney 1989-6-30 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park, Big Dalton Canyon. Big Dalton Canyon Road, 1.5 mi NE of Glendora Mtn. Road 457 Comment
  POM114272  Elymus elymoides Marcus E. Jones 1926-6-7 s.n. Los Angeles South of Lebec. Comment
  CAS-BOT-BC207178  Elymus elymoides subsp. elymoides Timothy S. Ross; Steve Boyd 1994-5-24 7856 Los Angeles Northeast summit of Grass Mountain, north slopes draining toward Elizabeth Lake, south slopes toward Green Valley. 1389 Comment
  UCR271154  Elymus elymoides subsp. elymoides R. G. Swinney 2011-7-8 15510 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), the middle elevation (& smallest ) of three natural depressions at the north base of Strawberry Peak 1183 Comment
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Jan 24 2017
  UCSB49625  Elymus elymoides subsp. elymoides Smyth, A. 1983-5-8 Los Angeles East side of Hungry Valley Rd; 1/4 mile north of intersection with I-5 914 Comment
  RSA594557  Elymus glaucus F. R. Fosberg, Joseph A. Ewan 1931-8-10 783 Los Angeles Lower Pine Flats, First Camp, N fork San Gabriel Canyon 1500 Comment
  RSA729720  Elymus glaucus R. G. Swinney 1999-6-21 7347 Los Angeles spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  LA211062  Elymus glaucus Arthur C. Gibson; Tarja Sagar 2010-5-22 s.n. Los Angeles SANTA MONICA MOUNTAINS, Newton Canyon Trail hiking. Comment
  CDA31740  Elymus glaucus subsp. jepsonii G. C. Fleischman 1942-8-3 Los Angeles San Gabriel Mtns. on road to Palmdale. 0 Comment
  UC56710  Emmenanthe penduliflora Harley P. Chandler 1897-5-17 Los Angeles San Jose Hills; Pomona 304 Comment
  RSA584984  Emmenanthe penduliflora var. penduliflora Tim S. Ross 1993-5-16 7159 Los Angeles Upper Monroe Road; ridgetop hillock on the divide between Persinger, Horse, and Little Dalton Canyons; ca 850-930 m NW of Horse Canyon Saddle. 1024 Comment
  CAS-BOT-BC131153  Encelia actoni Le Roy Abrams; E. A. McGregor 1908-7-2 548 Los Angeles Rock Creek, slopes of the San Gabriel Mountains 1158 Comment
  RSA715749  Encelia actoni Scott D. White, Andrea Warniment 2006-7-7 11627 Los Angeles Gorman area, west of the I-5 Freeway at SR-138 interchange. SE Tehachapi Mts. 1006 Comment
  SBBG55750  Encelia actoni D. Keil 1976-12-12 11897 Los Angeles ca. 5 mi W of San Bernardino county line, along St Hwy 138 1127 Comment
  UCR280551  Encelia actoni R. G. Swinney 2014-4-18 16132 Los Angeles San Gabriel Mountains, NE of Littlerock Dam, north end of Alimony Ridge, south side of Mt. Emma Rd., to 75 m south of road 976 Comment
  CAS-BOT-BC131201  Encelia californica Martin A. Piehl 1962-10-3 62524 Los Angeles Cottonwood Canyon near bridge along main road, W side island, Santa Catalina Island Comment
  UC1518752  Encelia californica Robert F. Thorne 1973-4-12 42923 Los Angeles Horse Cove San Clemente Island, Horse Cove (s end of island) 4 Comment
  UCR258689  Encelia farinosa R. G. Swinney 2010-3-16 11927 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
  UCR185587  Ephedra viridis A. C. Sanders 2007-4-25 33580 Los Angeles Tehachapi Mtns., Oso Canyon, 0.25 mi. SE of the Kern Co. line along Oso Cyn. Rd. 1159 Comment
  UCR210230  Epilobium canum R. G. Swinney 2008-10-22 9675 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon, 0.5 mi. upstream from entrance of Old San Gabriel Canyon Rd. at El Encanto 244 Comment
  RSA448515  Epilobium canum subsp. canum Joseph A. Ewan 1930-10-22 3435 Los Angeles Bouquet Canyon, 5 mi above mouth. Comment
  SD91994  Epilobium canum subsp. canum R. M. Beauchamp, T. Oberbauer 1975-8-23 22680 Los Angeles Volcanic cliff, west fork of Red Rock Canyon, San Clemente Island. 349 Comment
  SJSU13323  Epilobium canum subsp. canum C. W. Sharsmith 1946-10-18 5497 Los Angeles N slope Santa Monica Mts near Beverly Glen 304 Comment
  RSA9681  Epilobium canum subsp. canum Louis C. Wheeler 1931-10-16 253 Los Angeles Sawpit Canyon. San Gabriel Mountains. 305 Comment
  POM21345  Epilobium canum subsp. latifolium Fordyce Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canyon near Pasadena; San Gabriel Mts. Comment
  CATA2955  Epilobium ciliatum Sarah Ratay 2006-9-11 99 Los Angeles Santa Catalina Island: Middle Canyon between ENL mitigation area 2 and the Ben Weston trailhead 0 Comment
  POM168753  Epipactis gigantea C. J. Pox 1903-05 s.n. Los Angeles Near Glendale Comment
  SBBG127576  Epipactis helleborine A. C. Sanders with T. B. Salvato 2009-5-19 36838 Los Angeles under SCE powerlines S of Montebello Blvd and W of Plaza Dr, S of large shopping mall (Montebello Town Center); Montebello Hills 110 Comment
  SBBG131719  Equisetum laevigatum S. A. Junak 1999-5-21 SCa 980 Los Angeles Coffee Pot Cyn, just upstream from rd crossing 405 Comment
  CAS-BOT-BC57798  Equisetum telmateia G. B. Grant 1900-2-4 s.n. Los Angeles Arroyo Seco, Cal St., Pasadena. Comment
  UCR177679  Equisetum telmateia F. R. Fosberg 1931-4-15 R- 89 Los Angeles Channel Islands, Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island 200 Comment
  SBBG77009  Equisetum telmateia subsp. braunii F. R. Fosberg 1931-4-15 R 89 Los Angeles Eagles Nest, Middle Ranch Cyn 180 Comment
  RSA723065  Eragrostis cilianensis LeRoy Gross 2007-5-16 2733 Los Angeles Southern side of the range: Near parking area for the trails to hike out of Wildwood Canyon. 427 Comment
  UCSC000028  Eragrostis cilianensis H. S. Yates 1936-8-28 6357 Los Angeles Five miles southeast of Palmdale, along roadside - Elizabeth Lake 814 Comment
  RSA602308  Eremocarpus setiger L. C. Wheeler 1946-12-14 6450 Los Angeles San Gabriel Mountains: San Dimas Canyon; ca. 1/4 mile upstream from dam. Comment
  RSA611970  Eremocarpus setiger Valerie L. Soza, Laura Moore 1997-8-16 46 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard. [Coordinates given are] at center of BFS. 412 Comment
  RSA421540  Eremocarpus setiger L. C. Wheeler 1931-8-2 s.n. Los Angeles foothills, 1/2 mi E Liveoak Canyon 427 Comment
  SFV1206  Eremogone macradenia M. L. Vincent 1960-6-23 70 Los Angeles San Gabriel Mountains Big Pine camping area. In campground across Highway 138 from Jackson Lake. 1829 Comment
  RSA0034379  Eremogone macradenia var. arcuifolia Steve Boyd, Timothy S. Ross, Laura Moore, Valerie Soza 1997-7-8 10009 H Los Angeles Liebre Mountains region: Southeastern flank of Liebre Mountain, along ridge dividing Fish Canyon and Bear Canyon drainages, northeast of Atmore meadows, along rough dirt track following old fuelbreak. 1524 Comment
  UCR239947  Eriastrum densifolium R. G. Swinney 2009-11-16 11628 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, 20 m east (up canyon) from east edge of Kentucky Springs, tributary of Kentucky Springs Canyon, 3/4 mile W of Angeles Forest Hwy at Angeles National Forest boundary, 0.4 mi. west of junction of Mt. Emma Rd. and Angeles Forest Hwy 1122 Comment
  RSA0107972  Eriastrum densifolium subsp. austromontanum Cheryl A. Lawson 1971-7-9 413 Los Angeles Vogel Flats, Big Tujunga Canyon, San Gabriel Mountains, Angeles National Forest. Comment
  RSA0107980  Eriastrum densifolium subsp. elongatum Thos. Craig 1933-10-9 2031 Los Angeles Near Vincent. 1067 Comment
  POM3560  Eriastrum filifolium George B. Grant 1901-1 502 Los Angeles From Pasadena. Comment
  UCSB5010  Eriastrum sapphirinum subsp. dasyanthum Wedberg, H. 1958-7-15 Los Angeles Mulholland Hwy. between Topanga Cyn. and Beverly Glen, Santa Monica Mtns. Comment
  RSA0121298  Eriastrum sapphirinum subsp. dasyanthum Thos. Craig 1927-11-24 529 Los Angeles Indian Hill, Claremont. Comment
  RSA709807  Ericameria cooperi Gary D. Wallace, Ann Hiller 1983-5-18 2057 Los Angeles Dirt road W of junction with Chesboro Road on Mt. Emma Rd. at 47th St. E. Gypsum area further along road. 945 Comment
  UC1432747  Ericameria cooperi var. cooperi J. L. Strother 1968-4-18 612 Los Angeles ca 20 mi w Route 14 (Route 138) 792 Comment
  LA20016  Ericameria ericoides Jonathan Sauer; Linda Newby 1977-2-6 5928 Los Angeles 9 Comment
  RSA618587  Ericameria linearifolia L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon 1/2 mile south-southwest of Blum Ranch. 975 Comment
  UCR16713  Ericameria linearifolia J. L. Huber 1969-5-25 975 Los Angeles San Gabriel Mountains, Chilao, 1 mi north of Chilao Fire Station 1524 Comment
  CAS-BOT-BC298896  Ericameria nauseosa var. bernardina Tim Ross 1990-8-17 3160 Los Angeles San Gabriel Mts: road crossing of the drainage just below Icy Springs, in upper Big Rock Creek 1737 Comment
  CAS-BOT-BC298933  Ericameria nauseosa var. ceruminosa John Thomas Howell 1927-11-13 3202 Los Angeles 1.5 miles E of Elizabeth Lake, Liebre Mts 914 Comment
  CAS-BOT-BC299525  Ericameria palmeri var. pachylepis John Thomas Howell 1927-11-13 3204 Los Angeles 3/4 mile south of Elizabeth Lake, Liebre Mts. 1005 Comment
  JEPS30501  Ericameria palmeri var. pachylepis Peter H. Raven and Henry J. Thompson 1959-10-31 14720 Los Angeles n of Wells Avenue Vanalden Avenue; Santa Monica Mountains, Tarzana 304 Comment
  RSA638191  Ericameria palmeri var. pachylepis S. White 1998-10-15 7186 Los Angeles Yorba Linda: 1/2 mile S Telegraph Canyon between Ohio St. and Fairmont. 152 Comment
  RSA16815  Ericameria parishii C. B. Wolf 1931-10-20 2296 Los Angeles Just below the Padua Hills Theatre above Claremont, west slope of mts. 457 Comment
  SEINET218693  Ericameria parishii A. J. Breitung 1953-8-30 17941 Los Angeles San Antonio Canyon San Gabriel Mountains Comment
  CAS-BOT-BC131662  Ericameria parishii var. parishii C. B. Wolf 1931-10-20 2470 Los Angeles Just below Padua Hills Theatre above Claremont, west slope San Gabriel Mts. 457 Comment
  RSA90889  Ericameria parishii var. parishii Raymond J. Dobbs 1924-8-25 5401 Los Angeles Slope above Switzers Camp, north of Pasadena, San Gabriel Mts. 1067 Comment
  CAS-BOT-BC293149  Ericameria pinifolia Carl B. Wolf 1931-9-6 2469 Los Angeles 1/2 mile east of Pacoima Creek Bridge on the Tujunga to San Fernando Road 365 Comment
  LA205875  Ericameria pinifolia George T. Hastings; 1950-7-22 sn Los Angeles Elizabeth Lake Canyon Comment
  UCR125929  Ericameria pinifolia A. C. Sanders, Mark Elvin 2002-6-19 25183 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  RSA185389  Erigeron breweri var. covillei Clare B. Hardham 1959-6-16 4870 Los Angeles Between Pearblossom and Llano. Comment
  CAS-BOT-BC296190  Erigeron foliosus var. foliosus Geo. L. Moxley; Grinnell 1916-6-15 480 Los Angeles Santa Susanna Mts. 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
  RSA678828  Erigeron foliosus var. foliosus Valerie L. Soza, Samantha Tessel 2001-6-18 1285 Los Angeles Upper Winter Creek Trail, above Santa Anita Canyon, ca. 0.6 mile from trailhead out of Chantry Flat area. 716 Comment
  UC895841  Erigeron foliosus var. foliosus F. R. Fosberg 1931-7-9 S 5361 Los Angeles Avalon Santa Catalina Island, Avalon 50 Comment
  RSA601042  Erigeron foliosus var. stenophyllus Steve Boyd, Lauren Raz 1997-6-18 9971 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  UC24069  Eriodictyon crassifolium Brewer 1860-1 39 Los Angeles Comment
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Sep 7 2009
  SEINET8731333 Image available Eriodictyon crassifolium Kay H. Beach 1943-1 1743 Los Angeles Upper part of Lewis Paul Canyon on Woods Trail. San Gabriel Mts. Comment
  CAS-BOT-BC189109  Eriodictyon crassifolium var. crassifolium Elmer I. Applegate 1927-2-28 4994 Los Angeles Ridge Road near summit of Tejon Pass, northern county Comment
  RSA401519A  Eriodictyon crassifolium var. nigrescens Bonnie C. Templeton 1947-5-21 6254 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  SBBG65148  Eriodictyon crassifolium var. nigrescens unknown 1928-7-9 Los Angeles Antelope Valley Comment
  UC73708  Eriodictyon crassifolium var. nigrescens Pupils of Los Angeles High School June 1902 Los Angeles South Pasadena Comment
  CAS-BOT-BC188961  Eriodictyon parryi Le Roy Abrams 1902-6-30 2594 Los Angeles Summit of Mount Wilson 1767 Comment
  UCD119330  Eriodictyon parryi R. J. Tinkler 1969-6-28 s.n. Los Angeles Angeles Crest Highway. Comment
  SD72778  Eriodictyon traskiae F. R. Fosberg 1931-5-6 S 4995 Los Angeles Santa Catalina Island; Cape Canyon. 239 Comment
  SD44544  Eriodictyon trichocalyx Kay H. Beach 1943-6-14 1747 Los Angeles San Gabriel Mountains. 1554 Comment
  UCR231901  Eriogonum angulosum Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-18 8016 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, c. 100 m east of Sierra Highway, 190 m west of 10th St, 535 m north of Ave C and one km south of Ave B 704 Comment
  UCR281663  Eriogonum angulosum R. G. Swinney 2014-4-17 16101 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, 1.2 miles east of Cheseboro Rd., 100-400 m south of California Aqueduct 968 Comment
  RSA226847A  Eriogonum baileyi var. baileyi Robert F. Thorne, C. W. Tilforth 1971-6-29 40666 Los Angeles San Gabriel Mountains, Angeles National Forest: near junction of Angeles Forest and Mt. Emma Roads 1128 Comment
  SEINET2043122 Image available Eriogonum baileyi var. baileyi D. Charlton, Robb Fishman 1990-8-30 3905 Los Angeles Western Mojave Desert: NE Palmdale, corner of Ave ''P'' & Sierra HWY. (Palmdale Quad 7.5') 793 Comment
  RSA393091  Eriogonum baileyi var. baileyi Anstruther Davidson 1891-1 s.n. Los Angeles Little Rock Creek. Comment
  CAS-BOT-BC241895  Eriogonum cinereum J. Ewan 1931-10-24 5293 Los Angeles Escondido Canyon, Santa Monica Mts. 304 Comment
  CAS-BOT-BC241905  Eriogonum cinereum Scott D. White 1997-11-5 6017 Los Angeles Malibu Coast: Mouth of Trancas Cyn., north of Pacific Coast Hwy. 7 Comment
  RSA176261  Eriogonum cithariforme var. agninum Robert F. Thorne 1963-7-11 32778 Los Angeles Along road to Upper Shake Campground, ca. 3 miles W of Lake Hughes, Angeles National Forest. Comment
  RSA618705  Eriogonum cithariforme var. agninum Scott D. White, Pam De Vries 1998-6-23 6767 Los Angeles Soledad Canyon area; proposed quarry area N of Soledad Canyon. Road, S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Canyon. 548 Comment
  CAS-BOT-BC242776  Eriogonum davidsonii LeRoy Abrams 1902-6-29 2592 Los Angeles Fredalba Comment
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Oct 14 2020
  RSA748913  Eriogonum davidsonii R. G. Swinney 2008-5-2 8729 Los Angeles Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  RSA782511  Eriogonum davidsonii Anna Kostikova, Glenn Litsios, Sarah Burgy 2010-6-16 2 Los Angeles Angeles National Forest: Sawmill Mountain. Road 7N08 turn from Co Hwy N2, first major dirt road crossing. Comment
  UCR126334  Eriogonum elongatum A. C. Sanders 2003-8-5 27107 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters 366 Comment
  UCR239953  Eriogonum elongatum R. G. Swinney 2009-11-16 11644 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  SDSU6538  Eriogonum elongatum R. M. Beauchamp 1966-8-10 63 Los Angeles Growing beside road in Topanga Canyon. Comment
  SEINET253243  Eriogonum elongatum Mrs. H. P. Bracelin 1931-10-11 571 Los Angeles Topanga Canyon, about three mile east of ocean beach. Santa Monica Mts. Comment
  RSA709485  Eriogonum fasciculatum subsp. polifolium A. C. Sanders, T. B. Salvato 2005-4-26 29689 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. 595 Comment
  UC150055  Eriogonum fasciculatum var. polifolium LeRoy Abrams 1902-6-30 2608 Los Angeles Mt. Wilson San Gabriel mountains, Mt. Wilson Comment
  UC1584919  Eriogonum fasciculatum var. polifolium Tim Ross, Steve Boyd 1991-7-24 5646 Los Angeles nne slope Granite Mountain Pacifico Mountain USGS 7.5' quadrangle, Granite Mountain 1914 Comment
  UCR259048  Eriogonum fasciculatum var. polifolium R. G. Swinney 2010-5-12 12753 Los Angeles San Gabriel Mountains, Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  RSA0035886  Eriogonum giganteum R. G. Swinney 2009-11-9 11581 Los Angeles confluence of Burro Canyon and East Fork San Gabriel River along Hwy 39 451 Comment
  RSA20487  Eriogonum giganteum var. formosum P. A. Munz 1923-4-10 6754 Los Angeles San Clemente Island, middle of island Comment
  SBBG12769  Eriogonum giganteum var. formosum E. R. Blakley 1962-6-10 5236 Los Angeles above and N of Seal Cove 60 Comment
  POM123094  Eriogonum giganteum var. giganteum H. E. Hasse 1888-07 s.n. Los Angeles Santa Catalina Island Comment
  RSA243815  Eriogonum giganteum var. giganteum F. R. Fosberg 1931-7-11 S 5379 Los Angeles Middle Ranch Canyon; Santa Catalina Island. 200 Comment
  SD73469  Eriogonum giganteum var. giganteum Robert F. Thorne 1966-9-16 36724 Los Angeles Santa Catalina Island: dry rocky top of promontory , Lookout Point SE of Pebbly Beach 46 Comment
  UCR280812  Eriogonum giganteum var. giganteum Mitch Provance 2017-6-30 617- 40 Los Angeles Catalina Island, Northern edge of Avalon, loop road around Sugar Loaf Pk., upper portion of Chime Tower Rd. 145 Comment
  RSA679873  Eriogonum maculatum LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 870 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway. 1143 Comment
  CAS-BOT-BC268777  Eriogonum mohavense Katharine Brandegee No date on label s.n. Los Angeles Lancaster Comment
  POM2225  Eriogonum mohavense Marjorie Shaw, Edna Spaudling, C. L. Walton 1917-4-6 s.n. Los Angeles Antelope Valley. Comment
  POM49216  Eriogonum mohavense A. D. E. Elmer 1902-06 3651 Los Angeles Lancaster. Comment
  CAS-BOT-BC258523  Eriogonum nudum var. westonii Timothy S. Ross; Steve Boyd 1994-9-20 8242 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
  RSA0081779  Eriogonum parishii R. G. Swinney 2010-9-7 13708 Los Angeles Crystal Lake, within 50 ft. of shore line around the entire perimeter. 1683 Comment
  RSA529904  Eriogonum parishii Tim S. Ross 1991-8-16 5811 Los Angeles San Gabriel Mountains: Angeles Crest Highway, just above Chilao Creek. 1671 Comment
  RSA594298  Eriogonum plumatella Steve Boyd, Lauren Raz 1996-10-14 9063 Los Angeles Liebre Mountains region, Anaverde Valley near the north base of Ritter Ridge, west of Palmdale, along Tierra Subida Road 0.5 miles south of the intersection with Avenue S. 927 Comment
  CAS-BOT-BC258233  Eriogonum pusillum L. R. Abrams 1941-4-24 13945 Los Angeles Between Big Rock Creek and Little Rock Creek on State Highway 138 Comment
  JEPS56461  Eriogonum pusillum Frank W. Peirson 1923-8-31 4006 Los Angeles Blue Ridge San Gabriel Mountains, Blue Ridge Comment
  RSA0111949  Eriogonum pusillum Richard G. Swinney 2011-4-19 14400 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
  POM19000  Eriogonum pusillum P. A. Munz 1923-8-31 7676 Los Angeles Ridge south of Swartout Valley, San Gabriel Mountains. 2576 Comment
  JEPS22762  Eriogonum saxatile Rimo Bacigalupi with Reino Alava 1958-7-20 6420 Los Angeles Kratka Ridge Angeles National Forest, San Gabriel Mts., Little Rock Creek (base of scree slope on n face, upper slopes of canyon, about 1 mi w of Cedar Spring) 2072 Comment
  UCR272861  Eriogonum saxatile R. G. Swinney 2011-8-5 15613 Los Angeles San Gabriel Mountains, summit of Mount Hawkins, high point of Copter Ridge, 0.6 miles SSE of Hwy. 2/Angeles Crest Hwy 2698 Comment
  UC849300  Eriogonum thurberi Alice Eastwood 1906-6-5 251 Los Angeles Roscoe near Los Angeles; Roscoe Comment
  SBBG65485  Eriogonum trichopes R. Hoffmann 1927-8-31 Los Angeles Acton to Palmdale Comment
  RSA759006  Eriogonum umbellatum R. G. Swinney 2008-10-8 9537 Los Angeles Table Mountain West, north of Big Pines 2284 Comment
  UCR223182  Eriogonum umbellatum var. munzii R. G. Swinney 2009-7-22 11314 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  SBBG64209  Eriogonum vimineum R. Hoffmann 1928-11-11 Los Angeles near Harold Comment
  CAS-BOT-BC264874  Eriogonum viridescens James L. Reveal 1978-6-25 4776 Los Angeles Along Avenue F, 0.5 mile east of California Highway 138, north of Lancaster 716 Comment
  RSA611256  Eriogonum wrightii subsp. subscaposum Louis C. Wheeler 1968-9-7 s.n. Los Angeles San Gabriel Mtns.: Big John Flat. 1738 Comment
  RSA774620  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2009-7-29 11422 Los Angeles Pacifico Mountain summit. 2134 Comment
  SD255835  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2010-10-8 14005 Los Angeles San Gabriel Mountains: Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge (Crystal Lake 7.5'Q) 2421 Comment
  CAS-BOT-BC297973  Eriophyllum confertiflorum Fordyce Grinnell 1916-6-10 s.n. Los Angeles Sister Elsie Peak trail, San Gabriel Mts Comment
  OBI35680  Eriophyllum confertiflorum Rebecca Cicoria 1982-4-25 45 Los Angeles Palos Verdes Peninsula: Purple Cyn, Rolling Hills. Comment
  POM155753  Eriophyllum confertiflorum M. B. Dunkle 1928-4-22 1891 Los Angeles Low shrubby hillside Buttonshell, Santa Catalina Island. 12 Comment
  POM6344  Eriophyllum confertiflorum M. Durant 1918-5-15 s.n. Los Angeles Claremont. Comment
  RSA724398  Eriophyllum confertiflorum K. Dobry 1991-4-22 D- 817 Los Angeles Santa Monica Mts. Upper Cold Creek Cyn Comment
  RSA725896  Eriophyllum confertiflorum A. C. Sanders 2003-5-1 26247 Los Angeles Western San Gabriel Mtns.: southeast side of Castaic Mesa, east of Lake Hughes Rd. and the filtration plant, Newhall Ranch. 396 Comment
  RSA746416  Eriophyllum confertiflorum R. G. Swinney 2008-6-4 8931 Los Angeles Devils Punchbowl Co. Park, west tributary of W Fork Punchbowl Canyon, 0.4 mi. NE of park headquarters 1329 Comment
  RSA748915  Eriophyllum confertiflorum R. G. Swinney 2008-5-2 8726 Los Angeles Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  RSA755872  Eriophyllum confertiflorum R. G. Swinney 2008-7-16 9242 Los Angeles Will Thrall Peak, west of Burkhart Saddle. 2378 Comment
  SDSU4092  Eriophyllum confertiflorum Thomas A. Zink 1971-4-1 Los Angeles Above St. Andrews Rd. near the 2300 block of Chevy Chase Canyon. 579 Comment
  CATA158  Eriophyllum confertiflorum var. confertiflorum Mark L. Hoefs, A. Douglas Propst 1973-3-14 119 Los Angeles Santa Catalina Island: West side of White's Landing, on bank behind beach 7 Comment
  POM357920  Eriophyllum confertiflorum var. confertiflorum F. R. Fosberg, Joseph A. Ewan 1931-8-11 S 5454 Los Angeles San Gabriel Mountains: S slope of Mt. Hawkins near Islip-Hawkins divide 2300 Comment
  POM53934  Eriophyllum confertiflorum var. confertiflorum C. F. Baker 1906-05 4717 Los Angeles hills near Claremont Comment
  SBBG96630  Eriophyllum confertiflorum var. confertiflorum S. Boyd with T. Ross, L. Arnseth 1990-4-6 4159 Los Angeles Lemon Tank Cyn (used as dumping area) 274 Comment
  UC1118341  Eriophyllum confertiflorum var. confertiflorum G. T. Nordstrom 1935-3-25 404 Los Angeles 1.75 mi se of mouth of Beartrap Canyon; Santa Barbara National Forest, Tejon Quadrangle 792 Comment
  UC896277  Eriophyllum confertiflorum var. confertiflorum Ira W. Clokey, B. Templeton 1929-4-22 4466 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon 450 Comment
  CAS-BOT-BC308355  Eriophyllum nevinii Reid Moran 1949-2-10 3160 Los Angeles Slope near landing, Santa Barbara Island Comment
  CAS-BOT-BC308369  Eriophyllum nevinii Alice Eastwood 1917-7-25 6448 Los Angeles Santa Catalina Island Comment
  POM358088  Eriophyllum nevinii M. B. Dunkle 1939-4-2 7204 Los Angeles San Clemente Island, southeast point. Comment
  UCR281318  Eriophyllum pringlei R. G. Swinney 2014-4-18 16122 Los Angeles San Gabriel Mountains, NE of Littlerock Dam, north end of Alimony Ridge, south side of Mt. Emma Rd., to 75 m south of road 976 Comment
  UC1563063  Eriophyllum wallacei Steve Boyd and Orlando Mistretta 1986-3-31 1537 A Los Angeles Highway 138, 4 mi e of jct w/ Hwy 18 (ne of Pinyon Hills); Mojave Desert, Highway 138 Comment
  RSA0053879  Erodium cicutarium R. G. Swinney 2010-5-11 12630 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
  RSA589177  Erodium cicutarium Tim S. Ross 1991-4-28 4767 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 926 Comment
  UCD103161  Erodium cicutarium Gerald Dickinson 1962-4-3 7 Los Angeles Pierce College, Woodland Hills. 243 Comment
  UCD103173  Erodium cicutarium Elise Jackson 1993-5-6 24 Los Angeles Eddleston Park, Reseda Blvd. at Calle Vista Circle. Comment
  SEINET3151147  Erodium moschatum G. B. Grant 1901-1-1 447 Los Angeles from Pasadena Comment
  SD30979  Erodium moschatum Edith A. Purer 1931-2-21 161 Los Angeles Palos Verdes hills Comment
  CAS-BOT-BC40721  Erysimum capitatum John Thomas Howell 1928-2-11 3345 Los Angeles Floor of Haines Canyon, San Gabriel Mountains. Comment
  RSA772372  Erysimum capitatum R. G. Swinney 2009-5-20 10841 Los Angeles Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  RSA706427  Erysimum capitatum var. capitatum Tim Thibault, K. E. Olshewsky 2004-5-23 300 Los Angeles Mt. Waterman, along Hwy. 2 at fire road 2055 Comment
  SBBG95390  Erythranthe cardinalis M. B. Dunkle 1928-5-13 1951 Los Angeles Cottonwood Cyn Comment
  SD90491  Erythranthe guttata Robert F. Thorne 1966-4-17 36125 Los Angeles San Clemente Island; rocky bottom of upper reaches of Box Canyon, NW of Horse Canyon, SW of Thirst 244 Comment
  RSA587073  Eschscholzia caespitosa Tim S. Ross 1993-5-16 7158 Los Angeles San Gabriel Mountains: Upper Monroe Road; ridgetop hillock on the divide between Persinger, Horse and Little Dalton canyons; ca 850-930 m NW of Horse Canyon Saddle. 1024 Comment
  UC1922365  Eschscholzia caespitosa Valerie Soza, Bill Hogshead 2003-4-23 1644 Los Angeles Transverse Ranges; Verdugo Mountains region; Brand Park, ridgetop between Brand Canyon and Childs Canyon. 595 Comment
  UC855142  Eschscholzia caespitosa Ira W. Clokey, B. Templeton 1929-4-9 4473 Los Angeles Mandeville Canyon Santa Monica Mountains (ridge) 400 Comment
  SEINET6911600  Eschscholzia caespitosa W. P. Vestal, A. G. Vestal 1955-3-26 3487 Los Angeles Antelope Valley east of Fairmont on 110th Street. "Gilia expanse" east side of road in field. Comment
  POM386  Eschscholzia caespitosa subsp. caespitosa J. James Johnson 1903-05 s.n. Los Angeles Collected near Pasadena. Comment
  CATA3019  Eschscholzia californica Amy Catalano 2016-3-2 025 Los Angeles Santa Catalina Island: Along Middle Ranch Road, 1/8 mile south/down canyon from Johnson Tree 246 Comment
  RSA433654  Eschscholzia californica Katherine Brandegee 1916-5-17 s.n. Los Angeles Santa Catalina Island. Comment
  OBI8160  Eschscholzia californica Lewis Meltz 1977-4-9 LM 34 Los Angeles 3 km NE of Eation Cyn bridge, on old Mt Wilson toll rd Comment
  SEINET10313730  Eschscholzia californica I. Clokey 1942-4-19 5973 Los Angeles West Arcadia Comment
  UCD95308  Eschscholzia californica P. C. Everett; E. K. Balls 1960-5-30 24166 Los Angeles 2.2 miles north from entrance to Angeles National Forest (San Gabriel Canyon.) 365 Comment
  RSA136849  Eschscholzia californica var. crocea Percy C. Everett, E. K. Balls 1960-5-30 24166 Los Angeles 2.2 miles N from entrance to Angeles National Forest, San Gabriel Canyon 366 Comment
  UCR214638  Eucalyptus A. C. Sanders, Dan S. Cooper 2010-3-12 37378 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  OBI69848  Eucalyptus globulus Jenn Yost and Matt Ritter, Matt Ritter 8-Apr 23 Los Angeles Near Tarzana Park, end of Beckford Rd Comment
  RSA655933  Eucalyptus globulus James Henrickson 2000-4-15 20683 Los Angeles Ca. 1 mi SE of Newhall in Whitney Canyon SE of junction of San Fernando Road and State Highway 14; ca. 1/2 mile E of Hwy 14. 488 Comment
  CATA3149  Eucalyptus polyanthemos Amy Catalano, Tyler Dvorak 2016-6-1 136 Los Angeles Santa Catalina Island: Emerald Bay, property edge along West End Road 17 Comment
  RSA0012829  Eucalyptus rudis Louis C. Wheeler 1965-5-17 8711 Los Angeles Liebre Mountain: Two Shay Ranch, Bouquet Canyon. Comment
  RSA549583  Eucrypta chrysanthemifolia Tim S. Ross 1991-3-10 4217 Los Angeles Claremont: Bernard Field Station, on E side of RSA 392 Comment
  UCSB21854  Eucrypta chrysanthemifolia Day, Fran 1964-4-25 Los Angeles 16 miles south of Gorman along Highway 99 670 Comment
  UCR187013  Euphorbia albomarginata A. C. Sanders 2006-4-25 32167 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  RSA436005  Euphorbia crenulata Arthur B. Shepard 1933-3-22 s.n. Los Angeles Verdugo Woodlands, Glendale Comment
  UCR148842  Euphorbia dendroides Hartman 2002-5-21 PDR 1253860 Los Angeles Transverse Range; San Gabriel Mtns., Angeles National Forest, Big Santa Anita Canyon Comment
  UCR66721  Euphorbia helioscopia L. C. Wheeler 1933-11-9 02239 Los Angeles 2 mi SE El Monte 76 Comment
  LA201912  Euphorbia lathyris Arthur C. Gibson; 2003-6-14 4978 Los Angeles Simi Hills, NW corner of Box Canyon Rd. at Valley Circle Blvd, opposite Chatsworth Reservoir, new Chatsworth Lake Manor Comment
  RSA0091683  Euphorbia maculata Bonnie C. Templeton 1967-8-1 10222 Los Angeles Clear Creek Forest Service Station at head of Clear Creek off Big Tujunga. Comment
  UCR209308  Euphorbia maculata A. C. Sanders 2009-11-6 37228 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR216896  Euphorbia melanadenia R. G. Swinney 2009-3-11 10088 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  RSA432443  Euphorbia palmeri Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  RSA595022  Euphorbia peplus Mark Hoefs, Robert F. Thorne 1996-4-6 2600 Los Angeles Santa Catalina Island, Pebbly Beach. 6 Comment
  SD181562  Euphorbia peplus Louis C. Wheeler 1945-4-15 6011 Los Angeles San Gabriel Mountains; Millard Canyon. 106 Comment
  OBI70742  Euphorbia polycarpa Louis C. Wheeler 1942-12-2 5679 Los Angeles Verdugo Mts: Burbank; Glen Oaks and Lamer St Comment
  SBBG13598  Extriplex californica P. H. Raven 1962-7-10 17951 Los Angeles near W shore of island W of Wall 2 Comment
  SBBG98647  Extriplex californica T. Ross 1991-5-20 5352 Los Angeles ca. 5500 ft S of Wilson Cove settlement; 2500' NW of the 750' Benchmark 185 Comment
  SD69465  Extriplex californica Robert F. Thorne 1966-4-5 35858 Los Angeles Santa Catalina Island; along Cottonwood Creek below dam in Cottonwood Canyon. 105 Comment
  SBBG32121  Festuca bromoides R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -261 Los Angeles between Sweetwater and Middle Ranch Cyns Comment
  LA200949  Festuca elmeri Peter H. Raven; 1960-5-15 15364 Los Angeles SANTA MONICA MOUNTAINS, Piuma Road 2.7 mi. W of Rambla Pacifica. 426 Comment
  IRVC26369  Festuca microstachys A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26053 Los Angeles Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park NE end of Santa Susana Mtns. 366 Comment
  SBBG56676  Festuca microstachys R. Hoffmann 1929-5-21 Los Angeles Pine Cyn Comment
  SBBG131676  Festuca microstachys S. A. Junak 1999-5-20 SCa 963 Los Angeles just E of high voltage line 502 Comment
  SBBG19210  Festuca myuros M. A. Piehl 1963-12-7 631074 Los Angeles point opposite Pyramid Head on SE tip of island 12 Comment
  UCR220379  Festuca myuros R. G. Swinney 2009-4-16 10359 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel Canyon, 0.3 to 0.6 miles NW (upstream) of confluence with San Gabriel River 280 Comment
  LA13115  Festuca myuros Carl Epling; April 1931 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  SBBG56690  Festuca myuros var. hirsuta R. Hoffmann 1931-5-3 Los Angeles San Francisquito Cyn Comment
  SD69693  Festuca perennis Robert F. Thorne 1966-5-31 36449 Los Angeles Santa Catalina Island: salina behind Little Harbor on beach at circa 15 feet elevation 4 Comment
  RSA3553  Filago californica C. B. Wolf 1932-5-9 3497 q Los Angeles Along the road to Renton Mine, about due west of Pebbly Beach, Santa Catalina Island. 305 Comment
  RSA625855  Filago californica Scott D. White, Pam De Vries 1998-4-19 6278 Los Angeles Irwindale: Santa Fe Flood Control Basin (on the San Gabriel River) 150 Comment
  POM19066  Forestiera pubescens P. A. Munz 1923-5-25 6821 Los Angeles Big Rock Creek, San Gabriel Mts. 1280 Comment
  CAS-BOT-BC223752  Frankenia salina Alice Eastwood 1906-5-31 s.n. Los Angeles Near Bimini Baths Comment
  NY169406  Franseria strigulosa L. T. Chamberlain s.n. Los Angeles Comment
  CAS-BOT-BC217361  Frasera neglecta Wesley O. Griesel 1960-6-5 s.n. Los Angeles Near Chilao Recreation area, San Gabriel Mountains 1828 Comment
  CAS-BOT-BC223424  Fraxinus dipetala Cecil Hart 1927-4-10 s.n. Los Angeles Ridge Route to Lancaster Comment
  SEINET7078868  Fraxinus dipetala F. Johnson 1959-6-8 s.n. Los Angeles San Gabriel Mountains near San Fernando. Specimen formerly from the College of Forestry Herbarium, University of Idaho Number 5061. 732 Comment
  RSA550698  Fraxinus uhdei Tim S. Ross, Annette Ross 1991-7-29 4159 b Los Angeles Elephant Hill, N most point of the Puente Hills, W Pomona. 229 Comment
  UC1122066  Fremontodendron californicum H. A. Jensen 1933-6-1 320 Los Angeles Angeles National Forest, Rock Creek, Quadrangle Rock Creek Rock Creek; Angeles National Forest, Rock Creek 1706 Comment
  RSA131253  Fremontodendron californicum subsp. californicum Percy C. Everett, E. K. Balls 1959-5-22 23804 Los Angeles Big Rock Creek, N. Slopes San Gabriel Mtns., from Valyermo. 1372 Comment
  RSA597385  Fremontodendron californicum subsp. californicum Tim S. Ross, Steve D. Boyd 1990-6-18 3503 Los Angeles Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages. 1744 Comment
  PASA567  Fritillaria biflora Margaret Stason 1932-3-15 Los Angeles Wooded Hillside near Glendora Comment
  RSA367724  Fritillaria biflora Samuel R. Tyson 1943-3-26 s.n. Los Angeles San Dimas Canyon. 457 Comment
  LA22122  Fritillaria biflora var. biflora K. Kinsel; 1930-3-22 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  UCR219944  Galinsoga parviflora R. G. Swinney, Jane Strong 2009-4-21 10409 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
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May 3 2014
  RSA772297  Galium R. G. Swinney 2009-4-28 10534 Los Angeles summit of Mt. Emma. 1585 Comment
  POM367651  Galium andrewsii H. L. Bauer 1931-6-1 s.n. Los Angeles Santa Monica foothills. Comment
  JEPS114004  Galium andrewsii subsp. intermedium Timothy S. Ross and Steve Boyd 1994-9-21 8345 Los Angeles Cow Spring Pond: sag pond on the San Andreas Fault Zone at the foot of Liebre Mountain and on the S side of West Oakdale Canyon Road, co 100 m W of the Cow Spring Canyon drainage. Comment
  UCR202705  Galium angustifolium R. G. Swinney 2001-8-18 8069 Los Angeles San Gabriel Mtns., Ross Mtn., 0.75 miles south of Mt. Baden Powell on the trail to Ross Mtn. 2561 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
  CHSC112157  Galium angustifolium subsp. angustifolium Dean Wm. Taylor 2003-5-29 18605 Los Angeles San Gabriel Mountains, Cold Springs Canyon, along Angeles National Forest Road 1N29 (Silver Fish Road) 1.3 miles E of the junction with Road 1N36. 868 Comment
  JEPS114015  Galium angustifolium subsp. angustifolium Timothy S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, Darin Banks, Megan Tommerup 1994-3-28 7406 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; unnamed horseshoe-shaped canyon to NE of upper Forrestal Drive. Comment
  RSA188277  Galium angustifolium subsp. angustifolium Robert F. Thorne 1966-6-1 36458 Los Angeles Santa Catalina Island. Along Pebbly Beach Drive SE of Avalon. 15 Comment
  SBBG79346  Galium angustifolium subsp. angustifolium F. R. Fosberg 1931-3-24 4354 Los Angeles Hamilton Cyn 50 Comment
  UCR272521  Galium angustifolium subsp. angustifolium R. G. Swinney 2011-7-7 15430 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  RSA158024  Galium angustifolium subsp. angustifolium Peter H. Raven 1962-5-20 17770 Los Angeles Road above Pebbly Beach, Santa Catalina Island. 61 Comment
  RSA527800  Galium angustifolium subsp. angustifolium Tim S. Ross, Annette Ross 1991-6-3 5534 Los Angeles Elephant Hill: west Pomona. 341 Comment
  UCR96146  Galium aparine B. G. Pitzer 1996-4-20 2705 Los Angeles Western Mojave Desert, Antelope Valley, north side of Hwy 138 (Ave. 'D'), c. 2 mi. west of Neenach (c. 30 mi. west of Hwy 14) 915 Comment
  CATA657  Galium catalinense Mark L. Hoefs 1991-4-18 1146 Los Angeles Santa Catalina Island: Near road between Cherry Valley and Fourth of July Cove 79 Comment
  UC57536  Galium catalinense Geo. B. Grant 1901-4-1 3762 Los Angeles bluffs along shore Santa Catalina Island Comment
  CATA248  Galium catalinense subsp. catalinense Mark L. Hoefs, A. Douglas Propst 1973-5-4 247 Los Angeles Santa Catalina Island: By West End Road, near Lyon's Head Point 70 Comment
  POM147960  Galium catalinense subsp. catalinense Marcus E. Jones 1927-5-29 5 M-11-26 Los Angeles Isthmus, Catalina Island. Comment
  RSA188392  Galium catalinense subsp. catalinense Robert F. Thorne, Percy C. Everett 1965-6-23 34996 Los Angeles Santa Catalina Island: near mouth of Hamilton Canyon NW of Avalon 8 Comment
  RSA0051340  Galium hallii Valerie Soza 2004-6-17 1724 a Los Angeles San Gabriel Mountains, along Hwy 2, at Vincent Gap trailhead to Mt. Baden-Powell. 2026 Comment
  RSA555199  Galium hallii Robert F. Thorne, M. Z. Thorne 1969-7-10 38418 Los Angeles San Gabriel Mts; Angeles National Forest; south of Wrightwood-Big Pines Hwy, c. 1.5 miles W of Wrightwood, Swarthout Valley 1951 Comment
  UCR25131  Galium hallii John C. Roos 1951-7-30 5074 Los Angeles San Gabriel Mtns., Big Rock Creek, north of Mt. Baden Powell 1982 Comment
  RSA0110596  Galium johnstonii Richard G. Swinney 2011-5-16 14732 Los Angeles San Gabriel Mountains: Camp Colby (C. Ranch), upper Coldwater Cyn., 150 m south of lodge in center of camp, 1.18 miles at 73 degrees SSE of jct. of Colby Ranch Rd. and FS Rd 3N19 in Big Tujunga Cyn. 1122 Comment
  RSA0115411  Galium porrigens R. G. Swinney 2010-10-5 13995 Los Angeles San Gabriel Mountains; east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons. 549 Comment
  UCR270251  Galium porrigens R. G. Swinney 2011-10-10 15734 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  RSA424700A  Galvezia speciosa Reid V. Moran 1941-2-23 602 Los Angeles Northwest of Johnson's Valley, Santa Catalina Island. 10 Comment
  RSA660878  Galvezia speciosa Orlando Mistretta 1992-4-5 141 Los Angeles Guds, San Clemente Island. Comment
  RSA653670  Gamochaeta pensylvanica A. C. Sanders, D. Malueg 1998-6-22 22012 Los Angeles Pasadena, just north of the I-210 Freeway on E bank of Eaton Wash, north side of Foothill Blvd. where it goes under the 210, under SCE transmission lines 225 Comment
  RSA228864  Garrya veatchii Robert F. Thorne 1971-6-26 40612 Los Angeles San Gabriel Mts., Angeles National Forest: Clear Creek branch of Big Tujunga Canyon along Angeles Forest Road near Clear Creek School Camp. 1037 Comment
  RSA251485  Gastridium phleoides R. F. Thorne 1973-4-11 42817 Los Angeles San Clemente Island: plateau W of upper part of Norton Canyon. 396 Comment
  SEINET4044476  Gastridium ventricosum D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains, Point Mugo State Park. 76 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
  RSA698752  Gayophytum diffusum subsp. parviflorum LeRoy Gross, Paul Morton 2004-6-9 1362 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.) 1732 Comment
  UCR271225  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-6-1 14981 Los Angeles San Gabriel Mountains, north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes 1256 Comment
  SEINET3245873  Gayophytum oligospermum R. G. Swinney 1998-1 6324 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  UCR152480  Gazania linearis A. C. Sanders, Lee Jones 2005-4-8 29333 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  RSA533519  Gazania longiscapa Timothy S. Ross 1991-3-9 4163 Los Angeles Whittier Hills (Puente Hills, pro parte): Seepage ca. 300 feet SW of Colima Road & Camino del Sur. 213 Comment
  LA33618  Geranium carolinianum Peter H. Raven; 1959-4-4 13949 A Los Angeles Santa Monica Mountains, Point Dume Natural Preserve, just E of Zuma Beach 9 Comment
  LA201778  Gilia achilleifolia Arthur C. Gibson; 2001-5-18 4868 Los Angeles Comment
  RSA0068444  Gilia achilleifolia R. G. Swinney 2010-6-8 13208 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  SDSU3100  Gilia achilleifolia subsp. multicaulis Gerald Collier 1951-5-5 Los Angeles Santa Anita Canyon, San Gabriel Mtns. Abot 2 miles up canyon from bottom of Chantry Flats Trail. Along trail. Comment
  SEINET2441336  Gilia angelensis R. G. Swinney 2008-4-10 8626 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Lodi Canyon, west of San Dimas Reservoir (Glendora 7.5' Q.). 463 Comment
  UC1349343  Gilia angelensis Robert F. Thorne 1966-4-5 35845 Los Angeles above stream in Cottonwood Canyon Santa Catalina Island, Cottonwood Canyon 106 Comment
  UC449832  Gilia angelensis I. J. Condit Los Angeles San Dimas Comment
  RSA33654  Gilia angelensis N. C. Cooper 1944-4-23 1099 Los Angeles Pomona. 259 Comment
  SD38798  Gilia angelensis Edith A. Purer 1931-4-25 1808 Los Angeles Field near Old Mill, Pasadena. Comment
  UCR177753  Gilia brecciarum subsp. brecciarum LeRoy Gross 2005-4-28 2141 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
  POM9762  Gilia brecciarum subsp. brecciarum P. A. Munz 1921-4-24 s.n. Los Angeles Sandbergs, Ridge Road. 1524 Comment
  UCR124581  Gilia capitata B. C. Templeton, I. W. Clokey 1930-4-8 1028 Los Angeles San Gabriel Mtns., 1 mile north of Elizabeth Lake 976 Comment
  RSA710707  Gilia capitata subsp. abrotanifolia Valerie L. Soza, Susan Caplow 2003-4-11 1627 Los Angeles Brand Park vicinity, head of Brand Canyon, alongside Brand Park Mtwy, north side of powerline tower. 640 Comment
  UC124602  Gilia capitata subsp. abrotanifolia A. Davidson M. D. May 1908 1798 Los Angeles Hollywood Comment
  UCR191434  Gilia capitata subsp. abrotanifolia T. B. Salvato 2008-4-22 3315 Los Angeles Transverse Range; Northwestern San Gabriel Mountain Foothills/Mojave Desert, east of Neenach in the Antelope Valley, south of Hwy 138 and west of 265th Street, slopes west of Pine Canyon 1006 Comment
  RSA470227  Gilia capitata subsp. abrotanifolia Gale Sphon 1959-5-10 338 Los Angeles About 3.5 miles west of Soledad Canyon turnoff on Highway 6, Mint Canyon. Comment
  RSA578294  Gilia capitata subsp. abrotanifolia T. S. Ross, S. D. Boyd 1994-5-4 7662 Los Angeles Northeast summit of Grass Mountain: north slopes draining toward Elizabeth Lake; south slopes toward Green Valley. 1384 Comment
  RSA756081  Gilia latiflora R. G. Swinney 1998-4-14 5985 Los Angeles Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands. 1299 Comment
  RSA469401  Gilia latiflora subsp. davyi Anstruther Davidson 1916-5-1 3167 Los Angeles Elizabeth Lake Comment
  CAS-BOT-BC226322  Gilia latiflora subsp. davyi Kevin Connelly 1980-4-28 s.n. Los Angeles Northwestern Mojave Desert, where Lancaster Rd. crosses the Calif. Aqueduct Comment
  CAS-BOT-BC226402  Gilia latiflora subsp. latiflora Ira L. Wiggins 1966-4-24 20618 Los Angeles Along E side of 145th Street E between Palmdale Boulevard and Avenue O, North of Pearblossom. Mohave [Mojave] Desert Comment
  RSA549585  Gilia malior T. S. Ross 1992-4-4 s.n. Los Angeles Adobe Mountain: SW Mojave Desert. 927 Comment
  RSA721876  Gilia modocensis J. Mark Porter 1998-4-27 11825 Los Angeles North Slope San Gabriel Mtns.: Z9 Road, off Largo Vista. 1371 Comment
  RSA534005  Gilia nevinii T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5128 Los Angeles San Clemente Island: eastern escarpment, 1400 ft SSE of Jack (not Jack Point), and 1350 ft. NW of the mouth of Larkspur Canyon 144 Comment
  RSA0016254  Gilia ochroleuca subsp. bizonata Steve Boyd, Lauren Raz 1997-4-16 9515 Los Angeles Liebre Mountains region: Northwest end of the range, Peace Valley due south of the junction of Interstate 5 and Highway 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service road 8N01. 960 Comment
  SBBG64489  Gilia ochroleuca subsp. bizonata R. Hoffmann 1928-7-9 Los Angeles Pine Cyn Comment
  UCR129378  Gilia ochroleuca subsp. bizonata Orlando Mistretta 1995-4-11 1621 Los Angeles San Gabriel Mtns, Santiago Canyon. W-draining slopes of Santiago Canyon c. 1 mi SW of the confluence with Little Rock Creek 1159 Comment
  RSA0017198  Gilia ochroleuca subsp. vivida B. C. Templeton 1932-5-31 4858 Los Angeles West Blue Ridge, Big Pines Camp. Comment
  UC908885  Gilia ochroleuca subsp. vivida Frank W. Peirson 1928-6-2 7934 Los Angeles S Fork Rock Cr , S. Fork Rock Cr. (San Gabriel Mts.) 1981 Comment
  SD181412  Gilia splendens subsp. grantii V. Soza, Monica Acosta 2001-6-13 1281 Los Angeles San Gabriel Mountains region: South Fork Big Rock Creek, ca. 1.0 mile south from South Fork Campground along the South Fork Trail. 1616 Comment
  UC905041  Glebionis coronaria John Thomas Howell 1948-7-2 24767 Los Angeles Redondo Beach Comment
  UCSB33235  Glebionis coronaria Partsch, M. 1977-5-7 Los Angeles In vacant lot on 182nd St. just off Hawthorne Blvd. in Torrance 30 Comment
  POM358781  Gnaphalium californicum Anstruther Davidson 1919-1 s.n. Los Angeles Streets, Los Angeles. Comment
  RSA631381  Gnaphalium californicum Valerie L. Soza, Kent Hughes 1999-6-4 469 Los Angeles Foothills above Glendora, west of Colby Trail, at end of Loraine Avenue. 365 Comment
  RSA656972  Gnaphalium californicum D. Roche 1998-5-30 43 Los Angeles Mt. Baldy Road 1.7 miles from the intersection of Mills Ave. and Mt. Baldy Rd. 579 Comment
  RSA5891  Gnaphalium chilense C. B. Wolf 1932-9-16 4111 Los Angeles Bryant Ranch, 100 to 150 ft W of State Highway at SE corner of Pacific Western Oil Co. lease in 1705 acre portion 2 Comment
  RSA781215  Gnaphalium luteoalbum R. G. Swinney 2009-3-31 10220 Los Angeles mouth of San Gabriel Canyon, 0.7-1.2 mi. north and NE of Foothill Blvd, Azusa/Duarte 189 Comment
  UCR131439  Gnaphalium luteoalbum Alison Lipman 2000-6-9 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
  RSA529922  Gnaphalium palustre Timothy S. Ross 1991-8-16 5828 Los Angeles San Gabriel Mountains, Horse Flats 1720 Comment
  SBBG131639  Gnaphalium palustre S. A. Junak 1999-9-10 SCa 1087 Los Angeles S side of upper reservoir, Bulrush Cyn 316 Comment
  UCR209457  Gnaphalium stramineum R. G. Swinney 2008-10-10 9559 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  CAS-BOT-BC108968  Goodmania luteola W. R. Dudley; F. H. Lamb 1896-6-4 4305 Los Angeles Lancaster. Comment
  RSA660678  Goodmania luteola F. C. Vasek 1985-6-5 s.n. Los Angeles Antelope Valley, along Hwy 138, ca. 2 miles W of Hwy 14. Comment
  RSA0110575  Grayia spinosa Richard G. Swinney 2011-4-19 14406 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
  JEPS16505  Grindelia hirsutula Peter H. Raven 1956-7-8 9667 Los Angeles low ridge w of University of California Campus; Santa Monica Mts. Comment
  UC468769  Grindelia hirsutula H. P. Chandler 1898-3-14 198 Los Angeles San Dimas Comment
  UC68928  Grindelia hirsutula H. M. Hall July 1905 6719 Los Angeles Elizabeth Lake Comment
  LA202577  Guillenia lasiophylla Henry J. Thompson; 1959-5-24 2005 Los Angeles Santa Monica Mountains, Tuna Canyon, 1.9 mi N of Pacific Coast Hwy on Tuna Canyon Rd 335 Comment
  UC729594  Guillenia lasiophylla Carl B. Wolf 1932-5-9 Los Angeles about due w Pebbly Beach (along road to Renton Mine); Santa Catalina Island 304 Comment
  RSA158268  Guillenia lasiophylla P. H. Raven 1962-7-10 17974 Los Angeles Upper reaches of Cave Canyon, the large canyon draining SW from large canyon draining SW from Thirst, San Clemente Island Comment
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Dec 22 2010
  POM4718  Gutierrezia sarothrae L. R. Abrams 1902-7-5 1557 Los Angeles Azusa Comment
  RSA41026  Gutierrezia sarothrae H. E. Hasse 1890-09 s.n. Los Angeles Santa Monica Mountains, Foothills. Comment
  UCR179566  Gypsophila elegans Scott D. White, Pam DeVries 2004-5-18 10448 Los Angeles Western Transverse Ranges, Eastern Santa Susana Mtns. West of the I-5 Fwy, c. 4 mi N of the I-5 / SH-14 jtn. and 6 mi south of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges 518 Comment
  UCR205518  Haplopappus menziesii A. C. Sanders, T. B. Salvato 2009-5-19 36818 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
  POM155755  Harpagonella palmeri M. B. Dunkle 1928-4-22 1889 Los Angeles Buttonshell, Santa Catalina Island. 30 Comment
  SD69473  Harpagonella palmeri Robert F. Thorne 1966-4-7 35949 Los Angeles Santa Catalina Island, Cherry Valley. 60 Comment
  JEPS19465  Hazardia squarrosa var. grindelioides Peter H. Raven 1957-9-21 11325 Los Angeles nw end U.C.L.A. Campus; Los Angeles, U.C.L.A. Campus Comment
  POM11277  Hazardia squarrosa var. grindelioides P. A. Munz 1921-10-10 4693 Los Angeles Palmer's Canyon , no. of Claremont. 488 Comment
  SJSU13641  Hazardia squarrosa var. squarrosa C. W. Sharsmith 1946-10-18 5495 Los Angeles near head of Beverly Glen, Santa Monica Mts 304 Comment
  JEPS26542  Helenium bigelovii Peter Kamb 1947-9-28 737 Los Angeles Little Jimmy Springs San Gabriel Mts., Little Jimmy Springs 2286 Comment
  SFV6851  Helenium bigelovii T. Gordon, K. A. Wilson, D. R. Perry 1974-8-14 583 Los Angeles San Gabriel Mountains Lamel Spring. 2378 Comment
  RSA654016  Helianthemum scoparium Valerie L. Soza, Laura Moore 2000-5-10 845 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines. 579 Comment
  RSA441781  Helianthemum scoparium var. vulgare C. Epling, N. Dunn 1931-5-30 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains. Comment
  RSA0088412  Helianthus annuus R. G. Swinney 2010-2-27 11748 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
  SEINET5781989 Image available Helianthus annuus Marcus E. Jones 1882-1 3029 Los Angeles Pasadena Comment
  POM359999  Helianthus gracilentus Fay A. MacFadden 1931-4-25 s.n. Los Angeles Tuna Canyon, near ridge, Stow [Stough] road, Verdugo Hills Comment
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Jul 1 2014
  UC133177  Helianthus gracilentus C. F. Baker 1903-9-3 3692 Los Angeles near Claremont; San Antonio Canyon Comment
  UC1922371  Helianthus gracilentus Valerie Soza, Miriam Sidibeh 2003-3-26 1604 Los Angeles Transverse Ranges; Verdugo Mountains region; North side of La Tuna Canyon, Haines Canyon Park vicinity, southwest of Dorothy and Estepa Dr. intersection. 610 Comment
  SBBG124396  Helianthus inexpectatus A. Parikh, N. Gale 2011-8-11 2158 a Los Angeles Newhall Ranch, 1.25 km SW of Castaic Junction and 1.5 km upstream of confluence of Castaic Crk and Santa Clara River 305 Comment
  RSA54175  Hemizonia clementina C. B. Wolf 1932-5-9 3435 Los Angeles Santa Catalina Island, 0.5 mile from Avalon on road to Pebbly Beach. 7 Comment
  SEINET4008651 Image available Hemizonia clementina M. B. Dunkle 1939-1 7277 Los Angeles Dry hillside, Pyramid Cove, San Clemente Island. Comment
  RSA702377  Hemizonia fasciculata Scott D. White, Pam De Vries 2004-5-18 10414 Los Angeles Eastern Santa Susana Mtns. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  RSA628546  Hemizonia fasciculata L. C. Wheeler 1967-7-18 10082 Los Angeles San Gabriel Mountains: Center Creek off Gold Creek off Little Tujunga Canyon. 746 Comment
  CDA35654  Hemizonia kelloggii R. Arias, L. Cortez 2011-8-16 PDR# 1313940 Los Angeles Leona Valley; Elizabeth Lake Road near 90th Street. 0 Comment
  SEINET3860177  Hemizonia minthornii D. D. Keck 1932-10-14 1953 Los Angeles N. of Chatsworth city limits, on first hill to west of Topango Canyon Blvd., Santa Susana foothills.; 0 Comment
  UCR24897  Hemizonia pungens A. C. Sanders 1980-8-17 1769 Los Angeles Antelope Valley, marshy area at the SW edge of Rosamond Dry Lake about 1/2 mi east of the E end of Ave. 'C 671 Comment
  UC1587704  Herniaria hirsuta subsp. cinerea Tim Ross, Orlando Mistretta, and Mike Hammitt 1991-5-17 5093 Los Angeles coastal flats wnw new landing field (North Head, San Clemente Island); San Clemente Island, North Head 15 Comment
  CAS-BOT-BC403828  Hesperocnide tenella Peter H. Raven 1956-6-17 9412 Los Angeles Slopes n.w. of Sunset Blvd. at Sepulveda Blvd., Santa Monica Mts. Comment
  RSA632020  Hesperocnide tenella Louis C. Wheeler 1973-4-9 s.n. Los Angeles San Gabriel Mountains: Lower Millard Canyon, just south of culvert. Comment
  SBBG32091  Hesperolinon micranthum R. N. Philbrick 1967-5-18 B 67 -188 Los Angeles Wild Boar Gully, Salta Verde Comment
  SEINET11907919  Heteromeles arbutifolia D. P. Reagan n d 7 Los Angeles Just E of Sandberg alond State Rd. N-2 Comment
  CAS-BOT-BC318856  Heterotheca grandiflora Timothy S. Ross; J. Mark Porter 1995-5-4 8465 Los Angeles Ca. 3.6 road miles NE of Bouquet Canyon Road, Texas Canyon, Liebre Mountains 682 Comment
  RSA0075652  Heterotheca grandiflora Joseph A. Ewan 1933-06 10799 Los Angeles Creek bottoms, Verdugo Canyon. Comment
  RSA0074063  Heterotheca grandiflora Scott Lowe 1991-5-18 35 Los Angeles San Gabriel River Channel, about 100 m. north of San Gabriel River Parkway bridge, city of Pico Rivera. Comment
  RSA0075801  Heterotheca grandiflora G. J. Hollenberg 1928-7-10 13946 Los Angeles Venice. Comment
  RSA0021964  Heterotheca sessiliflora Duncan S. Bell, Caitlin Elam 2013-6-24 5276 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
  UC68926  Heterotheca sessiliflora subsp. echioides H. M. Hall 1905-7-1 6713 Los Angeles Antelope Valley Fairmount; Mohave Desert 853 Comment
  UC1076517  Heterotheca sessiliflora subsp. fastigiata Frank W. Peirson 1922-9-26 Los Angeles at California Street Bridge Arroyo Seco Comment
  UCR210496  Heterotheca sessiliflora subsp. fastigiata R. G. Swinney 2008-12-6 9956 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1.4 mi. north of Sierra Madre Ave., south side of road at spring, 0.5 mi. east of San Gabriel Canyon Information Station on Hwy 39 256 Comment
  RSA0063089  Heuchera abramsii Gale Sphon 1959-6-27 380 Los Angeles 1 mile east of Dawson Summit, Angeles Crest Highway. 2287 Comment
  CAS-BOT-BC317322  Heuchera elegans Geo. B. Grant 1906-6-15 7186 Los Angeles Summit, Mt. Wilson Comment
  RSA0063246  Heuchera elegans Scott D. White, Dave Bramlet 1998-6-29 6806 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness; 4-mile closed section of Hwy. 39 from ca. 1.6 miles W of jctn. Crystal Lake access road to jct. Hwy 2. 1707 Comment
  RSA0066170  Heuchera elegans Naomi Fraga, Elizabeth A. Kempton 2008-7-2 2304 Los Angeles North slope of Mount Islip from Little Jimmy Campground to the summit. 2287 Comment
  CATA2005  Hirschfeldia incana Steven A. Junak, Mark Hoefs, Keri Kirkland 1997-11-14 478 Los Angeles Santa Catalina Island: Upper edge of camp at Emerald Bay, just N of main road 18 Comment
  UCR101209  Holocarpha heermannii Steve Boyd, L. Raz 1997-6-18 9984 Los Angeles San Gabriel Mtns., N base of Portal Ridge along the Broad Cyn Motorway, east of the mouth of Broad Cyn, edge of the Antelope Valley. 951 Comment
  CAS-BOT-BC149950  Holodiscus discolor var. discolor T. Mosquin 1959-5-30 3306 Los Angeles Catalina Island, hills west of Avalon Comment
  SEINET10915787  Hordeum Mary Merello, Heidi H. Schmidt 1999-12-4 Merello 2551 Los Angeles City of Los Angeles. Little Tokyo. Enbun Market, 124 Japanese Village Plaza. Comment
  SBBG31048  Hordeum depressum R. F. Thorne with P. C. Everett 1965-5-11 Los Angeles behind N beach at Little Harbor 1 Comment
  CATA942  Hordeum intercedens Mark L. Hoefs, Robert Given 1992-4-16 1806 Los Angeles Santa Catalina Island: Wild Boar Gully 152 Comment
  RSA0115762  Hordeum intercedens Steven A. Junak 1999-5-20 SCa- 939 Los Angeles Santa Catalina Island. At head of Escondido Canyon, along Cottonwood-Black Jack Road, 1.1 mi. E of reservoir in Cottonwood Canyon. 304 Comment
  RSA12406  Hordeum murinum subsp. glaucum C. B. Wolf 1934-4-11 5619 Los Angeles Bryant Ranch, E of Long Beach, 180 ft. east of center of sec. and 150 ft. south of line of SE1/4. 5 Comment
  RSA251483  Hordeum murinum subsp. leporinum R. F. Thorne 1973-4-11 42821 Los Angeles San Clemente Island: upper part of Norton Canyon. 335 Comment
  POM352509  Hordeum vulgare F. R. Fosberg 1931-4-11 4567 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island. Comment
  RSA729460  Hordeum vulgare R. G. Swinney 1998-7-8 6318 Los Angeles San Gabriel Mtns.: NW of Wrightwood, eastern end of Jackson Flat. 2287 Comment
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Dec 6 2010
  RSA666505  Horkelia cuneata J. George 2001-8-22 s.n. Los Angeles Los Angeles; San Pedro area, defense Fuel Support Point(Neval Reservation) 3171 North Gaffey St. 3 Comment
  CAS-BOT-BC532283  Horkelia cuneata var. puberula George B. Grant; Walter Wheeler 1904-5-7 599 Los Angeles Southern California, Glendora Comment
  JEPS44522  Horkelia rydbergii Frank W. Peirson 1923-8-31 4026 Los Angeles San Gabriel Mountains, Big Pines 1859 Comment
  RSA530055  Horkelia rydbergii Tim S. Ross 1991-8-16 5838 Los Angeles San Gabriel Mountains, Horse Flats. 1720 Comment
  RSA0126814  Horkelia rydbergii Louis C. Wheeler 1967-7-15 10027 Los Angeles Angeles National Forest. Mt. Waterman. Comment
  CAS-BOT-BC213018  Hosackia crassifolia Mary F. Spencer 1919-6-19 1199 Los Angeles San Jacinto Mt. 1645 Comment
  CAS-BOT-BC311967  Hulsea heterochroma F. Grinnell Jr. 1917-6-10 s.n. Los Angeles Sister Elsie Peak Trail near Pasadena, San Gabriel Mountains Comment
  RSA261750  Hulsea vestita subsp. gabrielensis D. H. Wilken 1973-6-1 11878 Los Angeles Along Forest Road 3N17, 2 miles East of Mill Creek Summit, San Gabriel Mountains. 2011 Comment
  RSA657361  Hypochaeris glabra Joseph M. Keefe 1978-4-28 22808 Los Angeles Verdugo Mountains; Henderson Canyon Creek, 0.5 Km west of Lockerbie Road on Whitting Woods Road, La Crescenta. 427 Comment
  SEINET10480609  Idria columnaris Jon Ricketson, Heidi H. Schmidt 1992-10-21 Ricketson 4834 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Garden, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  RSA366847  Iris pseudacorus Robert Gustafson 1981-3-18 2131 Los Angeles Ballona Wetlands, Area 3. Comment
  RSA704713  Isocoma menziesii Gary D. Wallace, C. Black, D. Cohen, R. Lavenburg 1983-6-29 2094 Los Angeles Santa Catalina Island: Twin Harbors area Marine Station. Comment
  UC625154  Isocoma menziesii var. sedoides F. R. Fosberg 1931-4-29 S 4707 Los Angeles mouth Cottonwood Canyon; Santa Catalina Island 3 Comment
  POM41134  Isocoma menziesii var. vernonioides Marcus E. Jones 1900-7-12 s.n. Los Angeles Long Beach. Comment
  RSA131321  Isocoma menziesii var. vernonioides Peter H. Raven, H. J. Thompson 1959-9-19 13720 Los Angeles Along U. S. Highway 101, 0.2 miles east of turn to Zuma Beach. 46 Comment
  RSA785318  Isomeris arborea var. globosa D. Silverman, Cindy Hopkins 2007-4-27 6778 Los Angeles Tejon Ranch, W of California Aqueduct, N of Oso Canyon, 1600m SE of National Cement and 1200m NE of Oso 3804 benchmark. 1000 Comment
  UCR95476  Isopyrum occidentale Steve Boyd, M. Wall 1996-4-4 8544 Los Angeles Transverse Range; Liebre Mtns., Angeles National Forest; lower Ruby Canyon, along Ruby Canyon Road c. 0.85 mi east of the junction with Lake Hughes Road, upstream from the confluence of Ruby Canyon and Elizabeth Lake Canyon at the NW base of Red Mountain 610 Comment
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Sep 26 2006
  UCD51386  Jarava speciosa H. S. Yates 1937-6-24 6596 Los Angeles San Gabriel Wash. 167 Comment
  UC1483334  Jaumea carnosa Robert F. Thorne 1974-9-13 45090 Los Angeles inside Ballast Point; Santa Catalina Island, Catalina Harbor 1 Comment
  SDSU9539  Jepsonia malvifolia R. M. Beauchamp 1967-1-27 109 Los Angeles Growing in shady area in field east of Wilson Cove area. Appeared to grow in a vein as if by underground runners. San Clemente Island. Comment
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May 16 2008
  CAS-BOT-BC101901  Juglans californica L. R. Abrams 1912-7-7 4888 Los Angeles North slope of Santa Monica Mts near Cahuenga Pass Comment
  RSA747223  Juglans californica R. G. Swinney 2008-4-9 8621 Los Angeles Glendora, Wildwood Canyon. 329 Comment
  UCR266150  Juglans californica R. E. Riefner Jr. 2015-8-21 15- 339 Los Angeles San Jose Hills, unincorporated Los Angeles County, south of Hwy I-10, east of Palomino Drive, east of Mesquite Lane at the end of the road, west of Forest Lawn Memorial Park 236 Comment
  RSA0011182  Juglans californica Peter H. Raven 1960-5-15 15361 Los Angeles Piuma Road 2.1 miles E of Rambla Pacifica; Santa Monica Mts. 488 Comment
  CAS-BOT-BC110033  Juncus acutus Le Roy Abrams 1901-5-28 1682 Los Angeles Ballona Harbor. Comment
  RSA725757  Juncus balticus A. C. Sanders 2003-5-1 26248 Los Angeles Western San Gabriel Mtns.: southeast side of Castaic Mesa, east of Lake Hughes Rd. and the filtration plant, Newhall Ranch. 396 Comment
  UCR223455  Juncus balticus R. G. Swinney 2009-6-8 11100 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
  RSA729089  Juncus balticus subsp. ater R. G. Swinney 1999-6-30 7466 Los Angeles San Gabriel Mtns.: upper Boneyard Canyon c. 300 m south of Camp Jubilee Rd. intersection, Pinon Hills 1463 Comment
  LA82496  Juncus bufonius O. H. Kappler; 1943-5-2 388 Los Angeles SANTA MONICA MOUNTAINS, W-fork Las Trancas (Rattlesnake) Canyon, N slope. 365 Comment
  RSA188179  Juncus bufonius Robert F. Thorne 1966-4-6 35901 Los Angeles Santa Catalina Island: small reservoir N of Catalina Airport. 436 Comment
  RSA512064  Juncus bufonius var. occidentalis L. C. Wheeler 1966-9-6 8863 Los Angeles San Gabriel Mountains, Angeles National Forest: Little Rock Reservoir Comment
  SEINET3877999  Juncus covillei var. obtusatus Louis C. Wheeler 1954-9-1 7088 a Los Angeles San Gabriel Mountains: Little Rock Creek at Buckhorn.; 0 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
  RSA550377  Juncus macrophyllus Timothy S. Ross 1992-7-10 6669 Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater Canyon & Wickiup Canyon. 967 Comment
  RSA729334  Juncus macrophyllus R. G. Swinney, Dave Larson 1999-7-21 7562 Los Angeles San Gabriel Mtns.: upper Fern Canyon, San Dimas Experimental Forest, 200m below Fern Dam #1, NE Browns Flat. 1341 Comment
  RSA748327  Juncus macrophyllus R. G. Swinney 2005-8-9 8420 -B Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  RSA368292  Juncus oxymeris L. C. Wheeler 1934-5-14 2590 Los Angeles Mouth San Dimas Canyon, San Gabriel Mountains. 442 Comment
  RSA602457  Juncus rugulosus Scott D. White 1997-5-14 5144 A Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mountains SW of I -210 freeway, E of Hansen Dam, and N of Wentworth St. 351 Comment
  UCR212823  Juncus rugulosus Ellen Mackey, Blake Whittington 2006-10-26 NFWF- 1837 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River near Rincon Ranger Station [off Hwy 39] 451 Comment
  UCR223730  Juncus rugulosus R. G. Swinney 2009-6-12 11137 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  UCR67648  Juncus rugulosus T. S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4022 Los Angeles San Gabriel Mtns., Angeles National Forest, Tujunga Ranger District. NE of Tie Summit Station & east of Angles Forest Hwy, westerly drainage that meets Tie Canyon 1524 Comment
  UCR124726  Juncus sphaerocarpus B. C. Templeton 1932-8-25 5087 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  SEINET8465036 Image available Juncus tenuis A. C. Sanders, TB. Salvato 2009-5-20 36868 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
  RSA772199  Juncus tiehmii R. G. Swinney 2009-5-27 10887 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  RSA191129  Juncus xiphioides Robert F. Thorne, M. Z. Thorne 1967-7-19 37134 Los Angeles San Gabriel Mountains, Angeles National Forest: Yucca Flats Summer Home Tract at upper end of Canyon of N Fork of San Gabriel River 1250 Comment
  RSA594470  Juncus xiphioides Steve Boyd, Lauren Raz 1996-9-24 8938 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
  UC213657  Juncus xiphioides I. M. Johnston 1917-8-23 1632 Los Angeles Prairie Fk of San Gabriel R. San Antonio Mountains 1524 Comment
  SBBG119430  Juncus xiphioides S. D. White with K. Hughes 2000-5-17 7867 Los Angeles Soledad Cyn, along Santa Clara River 579 Comment
  LA6544  Juniperus californica Harlan Lewis; 1942-11-28 252 Los Angeles Little Rock Comment
  RSA352426  Juniperus californica L. E. Hoffman 1931-11-28 s.n. Los Angeles Holcomb Creek, Angeles National Forest. Comment
  UCR177296  Juniperus californica LeRoy Gross 2005-5-3 2244 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
  RSA649979  Keckiella cordifolia D. Bartholomew 1961-5-20 s.n. Los Angeles ~1/4 mile S. of San Antonio Dam, E. side of Rd., Mt. Baldy Rd., N of Upland. Comment
  POM44892  Keckiella cordifolia H. E. Hasse 1889-07 s.n. Los Angeles Canyon. Comment
  LA39070  Keckiella ternata H. Lewis; 1940-8-5 sn Los Angeles San Gabriel Mountains, Charleston Flats 1371 Comment
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Feb 17 2015
  CAS-BOT-BC176827  Kochia californica Ernest C. Twisselmann 1970-9-8 17499 Los Angeles Antelope Valley: Avenue C 0.6 mile east of Highway 14, (wastelands on the west border of Rosamond Dry Lake) 746 Comment
  RSA249808  Krascheninnikovia lanata R. F. Thorne, Gary D. Wallace 1973-4-25 43397 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1/4 mi N of Bob's Gap, 3.5 mi S of Llano, N slope of Holcomb Ridge. 1159 Comment
  SEINET7585557 Image available Kyllinga brevifolia G. L. Skutt s.n. Los Angeles Pasadena. Comment
  PASA2311  Lagophylla ramosissima Frank W. Peirson 1922-7-29 Los Angeles Grade east of Bailey's Ranch, Ridge Route 1066 Comment
  POM158252  Lamarckia aurea M. B. Dunkle 1928-3-31 1781 Los Angeles Little Harbor, Santa Catalina Island. 152 Comment
  RSA640454  Lamarckia aurea L. C. Wheeler 1967-5-15 9596 Los Angeles San Gabriel Mountains: Elsmere Canyon; bottom of canyon near mouth. 434 Comment
  RSA712381  Lamarckia aurea A. C. Sanders 2003-3-14 25746 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd., north edge of 210 freeway east of the San Gabriel River channel. 159 Comment
  UC1114362  Lamarckia aurea C. G. Pringle 1882-3 Los Angeles Los Angeles; Pacific Slope, Los Angeles Comment
  UCD63291  Lamarckia aurea M. Vincent 1963-5-7 338 Los Angeles Santa Susana Mts., 1/2 mile E of the Ventura County line near the top of the pass, Santa Susana Pass Road, 1/4 mile off the road at the top of the pass on a small path. 488 Comment
  LA35909  Lamarckia aurea Peter H. Raven; 1960-4-2 14864 Los Angeles 487 Comment
  SEINET10598999  Lamarckia aurea Roland McKee 1920-5-12 McKee s.n. Los Angeles Los Angeles Comment
  CAS-BOT-BC338146  Lasthenia californica C. F. Baker 1904-4-4 4086 Los Angeles Elsinore Comment
  RSA594958  Lasthenia californica Timothy S. Ross 1995-4-26 8393 Los Angeles Head of Liebre Gulch drainage along Forest Service Road 8N05, between Sandberg and Bald Mountain; ca 1740 feet W of Sandberg BM (4164 ft) 1204 Comment
  UC1118962  Lasthenia gracilis A. D. Gifford 1935-3-6 446 Los Angeles 2.5 mi sw of Red Mtn; Tejon Quadrangle Comment
  UCD133842  Lasthenia microglossa J. M. Tucker 1962-4-18 3264 Los Angeles Liebre Headquarters of Tejon Ranch, Tehachapi Mountains, in northwestern Los Angeles County. Comment
  CAS-BOT-BC204906  Lathyrus David Dreyer 1968-3-23 s.n. Los Angeles San Gabriel River canyon above Morris Dam, small side canyon to the west Comment
  RSA191032  Lathyrus vestitus var. vestitus R. F. Thorne 1964-1-25 34056 Los Angeles Chantry Flats, N of Sierra Madre Arroyo Seco section, Angeles National Forest 762 Comment
  SD82901  Lathyrus vestitus var. vestitus Gary D. Cromwell, David W. Wheat 1971-4-16 510 Los Angeles San Gabriel Mountains, Angeles National Forest, Mystic Canyon, 2 miles NE of Glendora; NW-facing slope, upper canyon ca. 3 meters above canyon bottom (creek bed) Comment
  RSA679861  Layia glandulosa LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 886 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway 1143 Comment
  SBBG98245  Layia glandulosa I. Johnston 1917-5-13 976 Los Angeles San Gabriel Wash 152 Comment
  UCR270454  Layia glandulosa R. G. Swinney 2011-5-12 14662 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
  RSA92284  Layia glandulosa F. W. Peirson 1925-4-23 5803 Los Angeles River bottom, San Gabriel River 396 Comment
  JEPS31168  Layia platyglossa Ernest C. Twisselmann 1962-4-18 6957 Los Angeles n side of Oso Canyon Road to Mexican Mine; Tejon Ranch 1005 Comment
  UCR178903  Lemna minima R. G. Swinney 1989-5-22 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park, Big Dalton Canyon, Big Dalton Debris basin 366 Comment
  CAS-BOT-BC89170  Lepidium draba Timothy S. Ross 1992-4-21 6208 Los Angeles San Gabriel Mountains. Glendora Ridge Road. On the divide between upper East Fork San Dimas Canyon and Lower Cow Canyon. 1328 Comment
  SBBG49900  Lepidium flavum L. S. Matlovsky 1975-3-28 DM 0011 -15 Los Angeles near Alta Vista Comment
  UCR117220  Lepidium flavum B. G. Pitzer 1998-5-12 3696 Los Angeles Western Mojave Desert, c. 18 air mi. NW of Adelanto & 12.8 mi (airline) west of the San Bernardino Co. line, 240th Street East, c. 3.1 road mi. north of junction with El Mirage Rd. (= Ave. 'P'), 0.25 mi. east of 240th St., and c. 3.4 mi. south of Ave. 'J 866 Comment
  UCR141025  Lepidium flavum June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, near the Three Sisters hills, Antelope Valley, NE of Llano 976 Comment
  SFV9384  Lepidium fremontii M. L. Vincent, L. Swade 1964-4-2 484 Los Angeles Mojave Desert 1/8 mile off Highway 138, 1 mile east of Longview Road. 950 Comment
  UCR199945  Lepidium latifolium Scott D. White, Justin Wood 2008-5-19 12019 Los Angeles Los Angeles Basin, Whittier Narrows Dam County Recreation Area. San Gabriel River floodplain, between Durfee Ave. and 605 freeway. SCE powerline corridor 70 Comment
  RSA347517  Lepidium nitidum B. A. Prigge 1986-3-19 6928 Los Angeles Santa Monica Mountains: 0.3 miles west of Mulholland Hwy on Pacific Coast Hwy. 30 Comment
  SD215442  Lepidium nitidum var. nitidum Louis C. Wheeler 1969-4-1 Los Angeles 0.4 mile southwest Big Cienega on ridge on south side Big Dalton Canyon near mouth. 640 Comment
  RSA0112020  Lepidium virginicum subsp. virginicum Richard G. Swinney 2011-3-29 14267 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
  RSA603097  Lepidium virginicum var. pubescens L. C. Wheeler 1936-6-26 4191 Los Angeles Tanbark Flat, San Dimas Canyon, San Gabriel Mts. 853 Comment
  LA92024  Lepidospartum squamatum Peter H. Raven; 1961-10-15 16863 Los Angeles Claremont. In wash in front of Botanic Garden 259 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
  UCR139923  Lepidospartum squamatum Scott D. White 1997-5-15 5146 Los Angeles Mojave Desert, Big Tujunga Wash. Sunland-Tujunga area; alluvial fan below San Gabriel Mtns. SW of I-210 Fwy, east of Hansen Dam, and N of Wentworth Street 351 Comment
  UCR205641  Lepidospartum squamatum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37000 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
  CAS-BOT-BC273936  Leptochloa fusca subsp. fascicularis Peter H. Raven; Henry J. Thompson 1959-10-4 14553 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Coast Highway just north of mouth of Santa Monica Canyon 15 Comment
  SDSU21056  Leptodactylon californicum Ian Cain, Ryan Gilmore 2010-6-2 1489 Los Angeles Angeles National Forest, San Gabrial Mountains. Roughly 2.49km east of Mount Gleason summit 1730 Comment
  RSA628814  Leptodactylon pungens Scott D. White, Dave Bramlet 1998-6-29 6822 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness; 4-mile closed section of Hwy. 39 from ca. 1.6 miles W of jctn. Crystal Lake access road to jct. Hwy 2. 1707 Comment
  CHSC83996  Leptosiphon breviculus John Dittes 1990-6-20 133 Los Angeles Transverse Range; San Gabriel Mountains; approximately 16.7 air-miles north of Monrovia, approximately 1.3 air-mile northeast of Vetter Mountain and 0.75 air-mile southwest of Chilao Station, in canyon of East Fork Alder Creek. 1493 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
  UC1928586  Leptosiphon breviculus Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 05050 19 Los Angeles Transverse Ranges; San Gabriel Mountains region; Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. 1444 Comment
  CHSC5090  Leptosiphon parviflorus M. MacArthur 1967-7-16 75 Los Angeles Charlton flat about 1 mi. from Angeles Crest Hwy., below parking area #12, Angeles National Forest, San Gabriel Mts. 1524 Comment
  SBBG87441  Leptospermum laevigatum A. C. Sanders 1988-3-17 7730 Los Angeles El Segundo dunes, immediately W of LA International Airport & Pershing Drive, E of Vista Del Mar Blvd 30 Comment
  UCR98747  Lessingia glandulifera var. glandulifera T. S. Ross, Steve Boyd, Orlando Mistretta, Peter Fritsch 1990-6-22 3746 Los Angeles San Gabriel Mtns., Pinyon Ridge, western half of the ridge, between upper Little Rock Creek and the San Andreas Rift Zone 1951 Comment
  UCSB33233  Lessingia glandulifera var. glandulifera Partsch, M. 1977-5-14 Los Angeles Along Palmdale Blvd. in dry desert wash at 140th st. east 1066 Comment
  RSA561599  Leymus condensatus Steve Boyd, Walter Appleby 1993-5-24 8168 Los Angeles Seepages along upper end of Wilson canyon Rd, S of Wilson Canyon Saddle and E of the communication facility 944 Comment
  SBBG120142  Leymus condensatus A. C. Sanders 2003-5-22 26820 Los Angeles long abandoned gravel pit on boundary between Irwindale and Azusa, E of Irwindale Ave, S of 210 Freeway (which bisects it) and N of Santa Fe railroad, E of San Gabriel River channel 171 Comment
  UC1131553  Leymus condensatus H. S. Yates 1936-8-29 6384 Los Angeles 3 mi e San Fernando; San Fernando Quadrangle Comment
  RSA716472  Leymus triticoides Scott D. White, Andrea Warniment 2006-7-7 11612 Los Angeles Gorman area, Gorman creek NE of the I-5 Freeway. SE Tehachapi Mts. 1037 Comment
  SEINET11672497  Leymus triticoides C. V. Braun 1975-1 152 Los Angeles above San Francisquito Canyon Road, 2 mi SW of junction with Spunky Canyon Road Comment
  UCR187359  Lilium humboldtii subsp. ocellatum R. E. Riefner Jr. 2006-6-12 06- 236 Los Angeles Transverse Range, East of Sunland, Verdugo Mountains, north side of 210 Freeway c. 0.6 mi west of La Tuna Canyon Rd. intersection 475 Comment
  JEPS58202  Linanthus aureus Frank W. Peirson 1920-4-26 2111 Los Angeles Santa Anita Wash San Gabriel Mountains 213 Comment
  RSA702948  Linanthus aureus Scott D. White, Michael Honer 2004-3-30 9957 Los Angeles Eastern edge of the City of Palmdale, ca. 1 mile west-northwest of Four Points 838 Comment
  UCR56408  Linanthus aureus S. J. Myers, Ed LaRue 1989-3-17 s.n. Los Angeles West Mojave Desert, Palmdale area, Elizabeth Lake Road to California Aqueduct. San Andreas Rift Zone bisects the site 884 Comment
  RSA698399  Linanthus aureus Seacord s.n. Los Angeles West Mojave Comment
  RSA585334  Linanthus bigelovii T. S. Ross 1991-4-27 4708 Los Angeles Black Butte: rocky easterly and northeasterly slopes. 960 Comment
  UC1124082  Linanthus breviculus Jerome S. Horton 1935-8-1 232 Los Angeles near Fern Canyon (Dry Lake); Cucamonga Quad. 1524 Comment
  UCR150466  Linanthus breviculus R. G. Swinney 1999-6-21 7374 Los Angeles San Gabriel Mtns., Big John Flat 1671 Comment
  HSC17063  Linanthus californicus C. E. Fellows 1965-4-13 36 Los Angeles 2/10 mi. N of Los Angeles City limits on Hwy. 118 Comment
  POM346593  Linanthus californicus Barry Burnell 1969-5-22 136 Los Angeles San Antonio Canyon just below the narrows below Camp Baldy. San Antonio Creek Drainage Area. 1067 Comment
  RSA468437  Linanthus californicus Martha Hilend 1929-5-14 s.n. Los Angeles Mt. Lowe. Comment
  RSA584901  Linanthus concinnus R. T. Hawke 1992-5-17 s.n. Los Angeles north side of the range at Big Rock Creek. Comment
  UCR192850  Linanthus concinnus R. G. Swinney 1998-7-6 6285 Los Angeles San Gabriel Mtns., Mescal Canyon, 1.1 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1720 Comment
  RSA3112  Linanthus dianthiflorus C. B. Wolf 1932-3-4 s.n. Los Angeles Thompson Creek: S base of San Gabriel Mountains, 3-4 mi. N of Claremont. 457 Comment
  UC23778  Linanthus parviflorus Harley P. Chandler 1897-5-24 Los Angeles Fulkerson's Ranch Claremont 731 Comment
  UCR162296  Linaria bipartita Anuja Parikh, Nathan Gale 2004-6-3 2036 Los Angeles Newhall Ranch, along Santa Clara River (SCR sect. 4) between confluence of Castaic Creek and Castaic Junction 305 Comment
  RSA19874  Linaria canadensis var. texana I. W. Clokey, Bonnie C. Templeton 1929-03 4505 Los Angeles Mandeville Canyon, Santa Monica Mountains. 350 Comment
  UC73123  Lithophragma affine Pupils of Los Angeles High School 1903-5 Los Angeles near South Pasadena; near South Pasadena Comment
  UCSB2560  Lithophragma affine Youngberg, Florence 1937-04 Los Angeles near San Dimas Comment
  POM92064  Lithophragma affine subsp. mixtum H. E. Hasse 1890-04 s.n. Los Angeles [Los Angeles?] Comment
  SBBG125215  Lithophragma bolanderi A. Parikh, N. Gale 2010-6-23 3361 Los Angeles Upper Shortcut Cyn, 1.4 km S of St Hwy 2, 1.3 km NNW of W Fork San Gabriel River 1275 Comment
  RSA587075  Lithophragma bolanderi T. S. Ross 1993-6-1 7353 Los Angeles Upper Winter Creek trail between Chantry Flat and Hoegee camp (on Winter Creek), on the W side of Santa Anita Canyon. 805 Comment
  UCR71304  Lithophragma maximum Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4318 Los Angeles Channel Islands, San Clemente Island: E side of island near Malo Point, second canyon south of Bryce Canyon Comment
  POM18075  Lithophragma tenellum P. A. Munz 1923-5-26 6853 Los Angeles Big Rock Creek, San Gabriel Mountains 1829 Comment
  RSA730704  Lobelia dunnii var. serrata R. G. Swinney 1997-5-31 5534 Los Angeles near Mt. Baldy School, south of Mt. Baldy village, c. 75 m east of San Antonio Canyon. Spring dense marshy meadow. 1280 Comment
  UC303427  Lobelia dunnii var. serrata D. L. Crawford Aug. 1915 Los Angeles Mountains near Claremont; Southern California Comment
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Jan 18 2008
  RSA651350  Lobularia maritima R. Miller 1959-3-23 s.n. Los Angeles Glendora. Comment
  UCR261535  Lobularia maritima R. G. Swinney 2010-2-27 11669 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
  RSA624068  Loeflingia squarrosa L. C. Wheeler 1967-5-18 9653 Los Angeles San Gabriel Mountains: Placerita Canyon, vicinity of Oak of the Golden Dream. 478 Comment
  JEPS85007  Loeflingia squarrosa var. artemisiarum L. R. Heckard with Maynard Moe 1977-4-2 4556 Los Angeles s tip of Rogers Dry Lake 1/2 mi e lake bed; Edwards Air Force Base, Rogers Dry Lake 728 Comment
  SD52906  Logfia arizonica Peter H. Raven 1962-5-9 17671 Los Angeles San Clemente Island, near head of canyon at south end of Mesquito Cove. 320 Comment
  UC1594388  Logfia arizonica Tim Ross and Elizabeth Kellogg 1992-4-12 6123 Los Angeles 129 degrees se and 525 m distant from Vista (near head of Grove Canyon); San Clemente Island 521 Comment
  SBBG31418  Logfia filaginoides R. F. Thorne 1966-4-5 15806 Los Angeles W slope of Black Jack Mtn 518 Comment
  SBBG131659  Logfia gallica S. A. Junak 1999-5-20 SCa 941 Los Angeles just S of Cottonwood-Black Jack Rd, along N side of Escondido Cyn 323 Comment
  RSA598358  Lolium perenne subsp. multiflorum L. C. Wheeler 1967-5-24 9748 Los Angeles San Gabriel Mountains. Indian Canyon, near mouth. 701 Comment
  UCR108638  Lolium temulentum L. C. Wheeler 1970-6-26 s.n. Los Angeles San Gabriel Mtns, East Fork San Gabriel River, c. 0.3 mi upstream from Alder Gulch 1227 Comment
  RSA682614  Lomatium dasycarpum Scott D. White, Michael Honer 2003-5-7 9224 Los Angeles Liebre Mountains: Tapia Canyon, about 2 air miles east of Interstate 5 junction at Old Ridge Route. 427 Comment
  UC56501  Lomatium dasycarpum subsp. dasycarpum Ernest Braunton 1902-4-29 211 Los Angeles North Pomona 914 Comment
  RSA97208  Lomatium dasycarpum subsp. dasycarpum F. W. Peirson 1920-5-8 2312 Los Angeles San Raphael Hills 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
  RSA716638  Lomatium mohavense Andrea Edwards, Pam De Vries 2005-3-29 57 Los Angeles Lebec USGS quad; triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  UCD127801  Lomatium utriculatum Antonio F. Machado; Lisa Seemann 1993-4-28 7 b Los Angeles Santa Clarita Valley, near intersection of Sandrock and Ranchclub Drs. 1100 Comment
  CAS-BOT-BC240501  Lonicera hispidula E. R. Blakley 1962-10-5 5462 Los Angeles Eagles Nest in Middle Ranch Canyon, Santa Catalina Island 152 Comment
  RSA151301  Lonicera hispidula var. vacillans P. H. Raven 1962-5-10 17714 Los Angeles San Clemente Island; canyon just north of Thirst, San Clemente Island 305 Comment
  CAS-BOT-BC240743  Lonicera interrupta Le Roy Abrams; E. A. McGregor 1908-6-19 326 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  CAS-BOT-BC234811  Lonicera subspicata Marcus E. Jones 1884-8-22 383 Los Angeles Pasadena Comment
  RSA672303  Lonicera subspicata Joseph M. Keefe 2001-1-19 30916 Los Angeles Roadside along Sholl Canyon Road, 3 meters north of beginning of the Eagle Rock Park Path, 200 meters north of Figueroa Street, Eagle Rock. 280 Comment
  SBBG69622  Lonicera subspicata var. denudata R. Hoffmann 1931-8-22 Los Angeles summit of Mt Wilson 1676 Comment
  SFV21117  Lonicera subspicata var. denudata L. Gross 2003-6-19 1098 Los Angeles Verdugo Mountains North side of Verdugo Mountains. Entered west of Haines Canyon Park off of Estepa Drive in Tujunga. Followed ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge. Tributary is north of the 210 Freeway. South of freeway will drain into La Tuna Canyon. Canyon bottom (the canyon is not as deep as the hills north of 210 Freeway are low Homes are in the northern portion, the southern half gets just a little steeper on the slopes with more water in the creek. 457 Comment
  RSA724433  Lotus argophyllus var. argophyllus K. Dobry 1990-3-25 118 Los Angeles Simi Hills at Dayton Canyon Comment
  UCR205841  Lotus corniculatus R. G. Swinney 2008-6-9 8975 Los Angeles San Gabriel Mtns., mouth of Sandrock Creek, 0.26 mi. (air) south of Valyermo post office 1137 Comment
  POM158248  Lotus dendroideus var. dendroideus M. B. Dunkle 1928-5-27 1979 Los Angeles North hillside, Descanso Canyon; San Clemente Island 213 Comment
  RSA601058  Lotus grandiflorus var. grandiflorus Steve Boyd, Lauren Raz 1997-6-18 9969 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  UCR219894  Lotus heermannii R. G. Swinney, Jane Strong 2009-4-21 10424 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
  UCR259554  Lotus heermannii R. G. Swinney 2010-9-7 13715 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  RSA624990  Lotus heermannii var. heermannii L. C. Wheeler 1963-5-5 8255 Los Angeles San Gabriel Mountains: Bear Creek, off West Fork San Gabriel River. Comment
  UCR183995  Lotus humistratus A. C. Sanders 2007-4-19 33427 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  RSA498770  Lotus micranthus I. M. Johnston 1917-5-6 1277 Los Angeles Evey Canyon 762 Comment
  UC15532  Lotus nevadensis var. davidsonii A. J. McClatchie 1893-4-2 14 Los Angeles near Pasadena; San Bernardino Mts. 1219 Comment
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1
  UC1587666  Lotus nevadensis var. davidsonii Tim Ross 1991-8-14 5789 Los Angeles 0.5 mi e Lower Pacifico Campground Rd. (Pacifico Mtn Rd); San Gabriel Mountains, Pacifico Mtn. U.S.G.S. 7.5' Quad. 1926 Comment
  POM1908  Lotus oblongifolius I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. 91 Comment
  RSA3496  Lotus salsuginosus C. B. Wolf 1932-5-9 3439 Los Angeles Santa Catalina Island, 0.5 mile from Avalon on road to Pebbly Beach. 8 Comment
  RSA498796  Lotus salsuginosus Robert M. Perkins 1936-4-17 154 Los Angeles Santa Monica Mts Comment
  UC527635  Lotus scoparius C. B. Wolf 1931-7-2 Los Angeles 0.5 mi above the bridge on the road from Sunland to San Fernando; Little Tujunga Wash 335 Comment
  UC864884  Lotus scoparius Ira W. Clokey, B. Templeton May 1929 4480 Los Angeles Mandeville Cnayon Santa Monica Mountains Comment
  RSA498857  Lotus scoparius E. S. Spalding 1924-5-3 s.n. Los Angeles Manhattan Beach. Comment
  UC495280  Lotus scoparius var. brevialatus Philip A. Munz 1932-5-17 12641 Los Angeles 1 mi n Claremont 396 Comment
  RSA530047  Lotus strigosus T. S. Ross 1991-8-16 5832 Los Angeles San Gabriel Mountains, Horse Flats. 1720 Comment
  RSA167093  Lotus strigosus W. G. Webb 1935-2-25 s.n. Los Angeles Eagle Rock Park Comment
  RSA599263  Lotus wrangelianus Steve Boyd, Lauren Raz 1997-3-31 9438 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 914 Comment
  RSA604617  Ludwigia peploides subsp. peploides Louis C. Wheeler 1967-9-18 s.n. Los Angeles South side Los Feliz Blvd. at Los Angeles River. Comment
  RSA0085065  Lupinus Lyman Benson 1945-4-14 11675 Los Angeles Claremont. 351 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
  UC4181359  Lupinus albifrons David B. Dunn 1957-4-2 RSA- 6452 -7325 Los Angeles Comment
  UCR273169  Lupinus andersonii R. G. Swinney 2011-6-22 15271 Los Angeles San Gabriel Mountains, 1/4 mile north of entrance to Charlton Flat, 8 m west of Angeles Crest Hwy shoulder 1659 Comment
  JEPS64997  Lupinus bicolor Dr. A. Davidson 1891-1 Los Angeles Los Angeles Comment
  RSA0087025  Lupinus bicolor R. G. Swinney 2010-6-1 13085 Los Angeles Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1067 Comment
  RSA350044  Lupinus bicolor Robert Gustafson 1973-5-17 s.n. Los Angeles Charlton Flats campground, Angeles Natl. Forest 1677 Comment
  SBBG71251  Lupinus bicolor R. Hoffmann 1925-4-19 Los Angeles Antelope Valley to Elizabeth Lake Comment
  UC865332  Lupinus bicolor F. R. Fosberg 1931-3-29 S 4377 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island (Santa Catalina Island); , Hamilton Canyon 100 Comment
  SEINET7047887 Image available Lupinus bicolor Steven R. Hill, Kate Kramer 2001-4-22 33335 Los Angeles Antelope Valley, east of California Poppy Reserve, north and south sides of Avenue I (Lancaster Road), 1.5 miles west of Munz Ranch Road, 2.6 miles west of junction with 120th Street West, about 15 miles due northwest of Palmdale. Elevation about 2640 feet. Comment
  SEINET10484864  Lupinus bicolor subsp. marginatus David B. Dunn 1946-4-19 Dunn 2120 Los Angeles In the arid valley approaching the mojave along the newhall to palmdale, hwy 6 Near acton 610 Comment
  SEINET10484921  Lupinus bicolor subsp. tridentatus Robert F. Thorne 1971-3-18 Thorne 41498 Los Angeles San gabriel mts., Cobal canyon: c. 3 Mi. N of claremont, elev. C. 1650 Ft near Mouth of canyon in mixed coastal sage scrub-chaparral transition community with Lupinus hirsutissimum, psoralea bituminosa, amsinckia intermedia, phacelia Tanacetifolia, etc. 503 Comment
  CATA1552  Lupinus concinnus Mark L. Hoefs, Steven A. Junak, Lisa Stratton 1998-3-21 2809 Los Angeles Santa Catalina Island: Hillside above upper Cape Canyon 359 Comment
  UC284672  Lupinus concinnus P. A. Munz 1923-4-10 6747 Los Angeles w coast San Clemente Island (dry slope of canyon s of Lemon Tank); w coast San Clemente Island Comment
  UCR78130  Lupinus excubitus Wandalee Thompson 1964-4-14 14 Los Angeles Transverse Range; Liebre Mtns., Oakdale Canyon at mouth of Richardson Canyon, 2 miles west of Three Points on N-2, Pine Canyon Road, 1159 Comment
  RSA0073381  Lupinus excubitus subsp. austromontanus Mitch Provance, Callen Huff 2009-4-29 10684 Los Angeles Tehachapi Mountains: Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 0.6 mile north of Gorman; site PO1091. 1432 Comment
  CHSC95363  Lupinus excubitus var. austromontanus L. P. Janeway 2006-6-8 8678 Los Angeles San Gabriel Mountains. South slope of Blue Ridge near Angeles Crest Hwy, about 1.5 air km northeast of Vincent Gap. 2128 Comment
  POM187623  Lupinus excubitus var. austromontanus J. Ewan 1930-5-17 5521 Los Angeles North rim of Pico Canyon, near Newhall. 610 Comment
  RSA413592  Lupinus excubitus var. hallii Ora M. Clark 1929-2-3 1505 Los Angeles Topanga Canyon. Comment
  UCR271090  Lupinus excubitus var. hallii R. G. Swinney 2011-4-28 14525 Los Angeles San Gabriel Mountains, north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 963 Comment
  RSA756905  Lupinus formosus R. G. Swinney 2008-6-17 9037 Los Angeles 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1992 Comment
  RSA0072198  Lupinus formosus var. formosus Daisie Huang 2008-5-13 08051302 Los Angeles North Peace Valley Rd, outside entrance to Hungry Valley SVRA. 1236 Comment
  RSA652216  Lupinus formosus var. formosus C. O. Gaston 1948-4-23 s.n. Los Angeles Found by San Dimas canyon Rd, 2 1/2 mi. No. of Hyway 99. Comment
  SBBG132166  Lupinus guadalupensis S. A. Junak, B. Collins 1991-4-24 SCI 165 Los Angeles near bottom of Eel Point grade 73 Comment
  CATA587  Lupinus hirsutissimus Mark L. Hoefs 1991-4-7 1026 Los Angeles Santa Catalina Island: Upper Avalon Canyon, south-west of Divide Road 377 Comment
  RSA0045267  Lupinus hirsutissimus R. G. Swinney 2010-3-22 12012 Los Angeles West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  POM2439  Lupinus hirsutissimus Philip A. Munz 1918-4-16 2067 Los Angeles Claremont. Comment
  POM277135  Lupinus hirsutissimus E. S. Steele, H. S. Pratt 1935-2-20 s.n. Los Angeles Glendale. Comment
  UCD107948  Lupinus hyacinthinus Daryl Koutnik; John Cuti 1978-4-19 376 Los Angeles Verdugo Mountains on road overlooking Stough Canyon. 548 Comment
  SEINET10485437  Lupinus hyacinthinus Robert F. Thorne 1972-8-11 Thorne 42208 Los Angeles San gabriel mts, angels nat'l forest: mt. Waterman, e end of mt waterman ridge, Se facing slope. 2316 Comment
  RSA211802  Lupinus latifolius subsp. parishii L. C. Wheeler 1933-7-4 1905 Los Angeles San Dimas Canyon 640 Comment
  UC1871024  Lupinus latifolius subsp. parishii T. S. Ross 1993-5-13 7108 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western SAN GABRIEL MOUNTAINS: May Canyon Saddle at the northwest base of May Peak; San Fernando 7.5' USGS quad; R15W T3N, NE/4 SE/4 SE/4 section 10; ca. 3660 feet elevation. 1116 Comment
  LA205134  Lupinus latifolius var. parishii Victor Duran; 1933-7-21 3523 Los Angeles San Gabriel Mountains, Buckhorn 1981 Comment
  RSA646127  Lupinus latifolius var. parishii Orlando Mistretta, Joe Mistretta 1992-9-22 s.n. Los Angeles San Gabriel Mountains: Pacific Crest Trail, between Cloudburst Summit and Cooper Camp. Comment
  CAS-BOT-BC211690  Lupinus longifolius Alice Eastwood 1940-5-11 s.n. Los Angeles Mandeville Canyon Comment
  CAS-BOT-BC211716  Lupinus longifolius LeRoy Abrams 1902-7-1 2621 Los Angeles Little Santa Anita Canyon Comment
  SDSU19955  Lupinus longifolius S. H. Bullock 1968-5-30 164 Los Angeles Claremont, Foothill Blvd. and College Ave. 366 Comment
  UC1584036  Lupinus longifolius Tim Ross and Orlando Mistretta 1990-10-24 3302 Los Angeles where crossed by the Upper Monroe Road at ca 2885 ft (off the e side San Gabriel Reservoir) (Upper reaches of Venedo Canyon); San Gabriel Mts, (off e side San Gabriel Reservoir) 879 Comment
  UC1980244  Lupinus longifolius Daisie Huang 2008-4-6 08040601 Los Angeles Deer Creek Rd, right off PCH. Malibu. Comment
  SEINET239730  Lupinus microcarpus var. densiflorus Rhonda Riggins 1981-5-24 1233 Los Angeles Roadside bank Co. Rd. N2 0.5 mi S Jackson Rd. 2.7 mi SE Hwy. 138 1036 Comment
  IRVC29111  Lupinus microcarpus var. microcarpus A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26124 Los Angeles Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam Western San Gabriel Mtns. 488 Comment
  RSA641225  Lupinus odoratus R. F. Thorne 1974-4-9 44709 Los Angeles San Gabriel Mountains: Bob's Gap in Holcomb Ridge. 1220 Comment
  JEPS24437  Lupinus peirsonii Charles F. Quibell 1960-5-28 400 Los Angeles on se side of Mount Islip, visible from the Crystal Lake area Mount Islip 2133 Comment
  SFV1913  Lupinus sparsiflorus K. A. Wilson, D. E. Bianchi 1961-2-2 827 Los Angeles San Gabriel Mountains Little Tujunga Canyon, 2 miles north of Route 118. 400 Comment
  UCR177755  Lupinus sparsiflorus LeRoy Gross 2005-4-28 2157 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
  UCR219415  Lupinus sparsiflorus R. G. Swinney 2009-3-26 10165 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River at El Encanto Azusa River Wilderness Park 296 Comment
  SEINET12154818  Lupinus succulentus Unknown 1933-1 8160 Los Angeles nr Los Angeles Comment
  RSA167629  Lupinus truncatus P. H. Raven, R. F. Thorne 1964-5-7 s.n. Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  RSA600471  Lupinus truncatus Steve Boyd, Lauren Raz 1997-4-30 9607 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine. 866 Comment
  POM277133  Lupinus truncatus E. S. Steele, H. S. Pratt 1935-2-15 s.n. Los Angeles Eagle Rock. Comment
  RSA414376  Lupinus truncatus Anstruther Davidson 1973-4-6 1856 Los Angeles Tapia Park, Malibu Canyon 244 Comment
  CAS-BOT-BC231364  Lycium andersonii Robert F. Thorne; C. W. Tilforth 1973-4-20 42985 Los Angeles San Gabriel Mts., Mojave Desert slope: 1 mi N of Bob's Gap, 3.2 mi S of Llano, N slope of Holcomb Ridge 1143 Comment
  SD248505  Lycium brevipes var. hassei R. E. Jr. Riefner 2011-8-19 11 104 Los Angeles Palos Verdes Peninsula, Palos Verdes Estates, Bluff Cove, Paseo Del Mar at Palos Verdes Drive West. Along trail next to parking lot. 89 Comment
  SBBG105497  Lycium californicum F. R. Fosberg 1931-4-29 4705 Los Angeles near top of wall, Middle Ranch Cyn 1.5 mi below Eagle's Nest 180 Comment
  SBBG51756  Lycium cooperi R. Gustafson, C. Davidson 1977-4-20 423 Los Angeles Fort Tejon Rd, S of Littlerock ca. 1.5 mi E of the jct with 82nd St 975 Comment
  CDA5783  Lycium ferocissimum T. C. Fuller 1979-1-16 20255 Los Angeles Coastal Plains & Basins; Los Angeles Basin region; Playa del Rey, 400 m north of 431 East Culver Blvd., Sec. 27 T2S R15W SB. 0 Comment
  RSA427019  Lycopersicon esculentum Robert Gustafson 1981-5-27 2230 Los Angeles Ballona Wetlands, Area 2. Comment
  OBI10148  Lyonothamnus floribundus P. C. Everett 1939-8-22 9536 Los Angeles Santa Catalina Island. E slope of Black Jack Pk in Swain's Canyon 457 Comment
  SEINET4090624  Lyonothamnus floribundus M. B. Dunkle 1939-1 7316 Los Angeles Mosquito Ridge, San Clemente Island. Comment
  UCR68893  Lyonothamnus floribundus subsp. aspleniifolius Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4207 Los Angeles Channel Islands, San Clemente Island: upper reaches of China Canyon, S end of Island, W side Comment
  RSA589870  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given, Gay, Fone 1994-8-3 8199 Los Angeles Santa Catalina Island. Upper ''Little Geiger'' first blue-line drainage W of Cherry Canyon and Lion Head (un-nnamed on topo map). 143 Comment
  UC860337  Lyonothamnus floribundus subsp. floribundus Mrs. C. E. Miller 1918-6-11 Los Angeles Santa Catalina Island Comment
  SBBG95709  Lyonothamnus floribundus var. floribundus M. B. Dunkle 1928-5-20 1962 Los Angeles head of Swain's (Swain) Cyn Comment
  UCR146542  Machaeranthera canescens Scott D. White 2004-8-11 10695 Los Angeles San Gabriel Mtns, c. 8 air mi WNW of Wrightwood; east of Fenner Saddle Rd. on Pacific Crest trail 2195 Comment
  CAS-BOT-BC344381  Madia exigua L. R. Abrams 1901-6-1 1712 Los Angeles Las Tunus Canon [La Tuna Canyon], S. Monica Mts. Comment
  RSA588916  Madia gracilis Timothy S. Ross, S. D. Boyd, Peter W. Fritsch 1990-6-8 2955 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
  UCR50864  Magnolia grandiflora A. C. Sanders 1988-5-18 7834 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  RSA0008556  Mahonia nevinii Gary D. Wallace, Scott Eliason 1998-2-20 s.n. Los Angeles San Gabriel Mountains: Lopez Canyon north of San Fernando, Angeles National Forest. 457 Comment
  RSA377727  Maianthemum Aloys Nicholson 1933-5-7 s.n. Los Angeles Malibu Canyon, Santa Monica Mountains. Comment
  CAS-BOT-BC230895  Malacothamnus davidsonii Robert F. Thorne; C. W. Tilforth 1971-6-17 39961 Los Angeles San Gabriel Mts., Angeles National Forest: 2 mi. up Lower Tujunga Rd. from Forestry Headquarters, Little Tujunga Creek Comment
  CAS-BOT-BC206227  Malacothamnus fasciculatus I. Johnston 1917-5-13 982 Los Angeles San Gabriel Wash 152 Comment
  SD3042  Malacothamnus fasciculatus Ruth B. Randall 1926-6-13 Los Angeles Tijiunga (?) Wash, Near L. A. Comment
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Jan 14 2015
  UC871305  Malacothamnus fasciculatus F. R. Fosberg 1931-5-5 S 4770 Los Angeles Middle Ranch Dam, Middle Ranch Canyon Santa Catalina Island 200 Comment
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Nov 20 2012
  UC1595224  Malacothamnus fasciculatus var. fasciculatus Tim Ross, Annette H. Ross 1991-7-29 5682 Los Angeles N-most point of the Puente Hills Puente Hills, Elephant Hill 228 Comment
  CAS-BOT-BC206366  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
  RSA77040  Malacothamnus fremontii F. W. Peirson 1929-6-30 8428 Los Angeles Aliso Creek at Tie Canyon. 1357 Comment
  CAS-BOT-BC324550  Malacothrix David B. Weissman 1971-6-27 207 Los Angeles San Clemente Island, northwest harbor 91 Comment
  UCR102617  Malacothrix californica B. G. Pitzer 1996-4-20 2689 Los Angeles Western Mojave Desert, Antelope Valley, north side of Hwy 138 (Ave. 'D'), c. 2 mi. west of Neenach (c. 30 mi. west of Hwy 14) 915 Comment
  CAS-BOT-BC345410  Malacothrix clevelandii Philip A. Munz 1925-4-23 9453 Los Angeles San Gabriel Canyon 487 Comment
  RSA144686  Malacothrix clevelandii P. H. Raven, Henry J. Thompson 1960-4-12 15034 Los Angeles Oak woodland southwest of Seminole Hot Springs 366 Comment
  RSA535331  Malacothrix foliosa Timothy S. Ross 1991-5-20 5347 Los Angeles San Clemente Island: un-named knoll ca 5500 ft. S of Wilson Cove Settlement; westerly slope 2500 ft NW of the 750' BM 186 Comment
  SBBG42152  Malacothrix foliosa subsp. foliosa M. B. Dunkle 1939-4-2 7211 Los Angeles SE point of San Clemente Island Comment
  UCR68946  Malacothrix foliosa subsp. foliosa Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4238 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  SBBG66066  Malacothrix glabrata R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  UCR189266  Malacothrix glabrata R. G. Swinney 1998-5-16 6081 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  CAS-BOT-BC347926  Malacothrix saxatilis var. tenuifolia F. A. Thackery 1928-6-3 439 Los Angeles Mulholland Drive Comment
  RSA648052  Malacothrix saxatilis var. tenuifolia Orlando Mistretta 1992-7-17 730 Los Angeles San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District. Comment
  SFV4053  Malacothrix saxatilis var. tenuifolia M. L. Vincent 1962-7-10 275 Los Angeles Santa Monica Mountains Dry Canyon at Old Topanga Canyon Road. 330 Comment
  CAS-BOT-BC167871  Malosma laurina Grant 1901-7-25 4451 Los Angeles Sturtevants Camp Trail Comment
  HSC12386  Malosma laurina Wendell Wood 1970-6-21 22 Los Angeles Linda Vista Rd. and Chevy Chase, Glendale. 366 Comment
  RSA226157  Malosma laurina Gary D. Cromwell, David Wheat 1971-5-23 684 Los Angeles San Gabriel Mountains, Angeles National Forest: Mystic Canyon, 2 miles NE of Glendora. Comment
  SBBG12014  Malosma laurina E. R. Blakley 1961-9-24 4763 Los Angeles Fourth of July Cove 15 Comment
  SEINET1034128  Malosma laurina S. Davis 2001-4-29 Los Angeles Pepperdine University campus, Biological Reserve, Comment
  SEINET8042058  Malosma laurina I. W. Clokey, B. C. Templeton 1929-1 4588 Los Angeles Western Transverse Range, Santa Monica Mtns., Mandeville Canyon, 300 Comment
  CAS-BOT-BC206651  Malva assurgentiflora Reid Moran; R. M. Beauchamp; T. Oberbauer 1975-8-22 22673 Los Angeles Wilson's Cove, San Clemente Island 50 Comment
  RSA434891  Malva parviflora F. R. Fosberg 1930-6-30 S- 3071 Los Angeles Del Rey. 2 Comment
  UCD107553  Marah horrida Daryl Koutnik; Bruce Holguin 1978-4-1 220 Los Angeles Elizabeth Lake Road, northwest of Palmdale. 914 Comment
  UCR264685  Marah horrida Mitch Provance, Callen Huff 2009-4-28 10736 Los Angeles Tehachapi Mountians, Tejon Ranch, 1.2 mi. N of Gorman, Bear Canyon, along Crane Canyon Rd., about 1 mi. S of Castac Lake 1220 Comment
  SD38360  Marah macrocarpa Edith A. Purer 1931-2-21 Los Angeles El Segundo Comment
  UCD107547  Marah macrocarpa Gordon Pilone 1961-3-22 6 Los Angeles Wash area of Pomona College in Claremont. 365 Comment
  POM254551  Marah macrocarpa J. D. Laudermilk 1940-4-24 s.n. Los Angeles Indian Hill Blvd, Near Baseline Rd. Claremont. Comment
  RSA652418  Marah macrocarpa Jim Moon 1948-3-27 s.n. Los Angeles 3 1/2 mi S/W of San Dimas. 225 Comment
  SDSU5838  Marah macrocarpa Gerald Collier 1951-3-22 M 499 Los Angeles Faculty Hill; about 1/2 mile west of UCLA campus. Comment
  UC1267081  Marah macrocarpa var. macrocarpa Kenneth M. Stocking 1946-8-18 22 Los Angeles 5 mi se Arcadia; San Gabriel River Wash Comment
  POM19086  Marrubium vulgare P. A. Munz 1923-4-10 6745 Los Angeles San Clemente Island: canyon south of 'Lemon Tank'; west coast. Comment
  RSA250656  Marrubium vulgare Robert F. Thorne 1971-4-2 41420 Los Angeles Johnson's Pasture s, N. of Mountain Avenue, Claremont. 549 Comment
  RSA654642  Marrubium vulgare Fred Brooks, P. Sobkowiak 1988-4-23 11 Los Angeles San Antonio Canyon, [San Gabriel Mountains] below the first tunnel 915 Comment
  UC1587619  Marrubium vulgare Tim Ross 1991-4-21 4527 Los Angeles (Puente Hills, pro parte) Whittier Hills (vicinity of old water tank, Middle Turnbull Canyon); , (Puente Hills, pro parte), Middle Turnbull C 228 Comment
  RSA649797  Marrubium vulgare Matt Brooks 1988-5-12 49 Los Angeles Hacienda Heights, along Oak Canyon Rd. 1.2 miles south of its intersection with Turnbull Canyon Rd. Comment
  CATA1586  Matricaria discoidea Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2856 Los Angeles Santa Catalina Island: By road to Toyon Beach 313 Comment
  POM7693  Meconella denticulata P. A. Munz, R. D. Harwood 1920-4-21 3694 Los Angeles San Dimas Canyon, [San Gabriel Mountains] 457 Comment
  POM348029  Medicago polymorpha C. B. Liter 1928-04 s.n. Los Angeles Seal Beach. Comment
  SD51866  Medicago polymorpha Peter H. Raven 1962-4-9 17131 Los Angeles San Clemente Island; near barracks, Wilson Cove. 60 Comment
  SDSU5049  Medicago sativa Gerald Collier 1951-4-7 3688 Los Angeles In middle of divided highway- U. S. 101 about 2 miles north of Malibu Beach. Comment
  POM157961  Melampodium perfoliatum A. J. McClatchie 1895-11 s.n. Los Angeles Along ditch between Los Angeles and Compton Comment
  CATA398  Melica imperfecta Mark L. Hoefs, A. Douglas Propst 1974-5-10 468 Los Angeles Santa Catalina Island: Upper Fern Canyon 335 Comment
  LA103554  Melica imperfecta Barry A. Prigge; 1986-3-29 7158 Los Angeles San Gabriel Mountains, E of Red Rover Mine Road X Antelope Valley Freeway on Escondito Canyon Road 914 Comment
  POM357053  Melica imperfecta Jack Rempel 1932-4-24 s.n. Los Angeles El Segundo. Comment
  POM357055  Melica imperfecta H. L. Bauer 1931-4-1 s.n. Los Angeles Santa Suzana Pass. [Santa Susana] Comment
  RSA403494  Melica imperfecta Anstruther Davidson s.n. Los Angeles Foothill, Los Angeles Comment
  RSA594543  Melica imperfecta F. R. Fosberg 1931-8-11 788 Los Angeles Islip trail, south slope Mount Hawkins. 2200 Comment
  RSA716908  Melica imperfecta LeRoy Gross, Bruce Campbell 2006-6-29 2550 Los Angeles Forest Service Road Surveys: Blue Ridge Road (3N06), and Road (3N39). From near 34.33199N, 117.65379W top of Paririe Fork, east of Lupine Campground walk back to Angeles Crest Highway (2). Comment
  RSA727405  Melica imperfecta R. G. Swinney 1998-5-30 6159 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Fern Canyon 890 Comment
  SEINET263605 Image available Melica imperfecta R. L. Lingenfelter 1954-5-17 859 Los Angeles Side canyon off Soledad Canyon near mouth of Agua Dulce Canyon Comment
  UCR189394  Melica imperfecta R. G. Swinney 1998-5-30 6159 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  UCR193531  Melica stricta R. G. Swinney 1999-6-18 7296 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  CATA1121  Melilotus albus Mark L. Hoefs 1995-5-23 2088 Los Angeles Santa Catalina Island: Near Middle Canyon Road, just below Eagles Nest Lodge 121 Comment
  UCR190009  Melilotus albus R. G. Swinney 1998-8-1 6611 Los Angeles San Gabriel Mtns., Mine Gulch at East Fork of San Gabriel River Canyon 1372 Comment
  IRVC28574  Melilotus albus A. C. Sanders, Mark Elvin 2002-6-19 25146 Los Angeles 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 NE end of Santa Susana Mtns. 305 Comment
  OBI35534  Melilotus albus Rebecca Cicoria 1981-4-23 16 Los Angeles In upper end of Altamira Cyn, Rolling Hills Comment
  RSA657639  Melilotus indicus Kristina Sargeant 1992-5-9 92 -026 Los Angeles Flat lot on north side of Tetley St. approx. 200 ft east of intersection of Hacienda Blvd. and Tetley St. in Hacienda Heights. Comment
  SD51885  Melilotus indicus Peter H. Raven 1962-4-9 17128 Los Angeles San Clemente Island; near barracks, Wilson Cove. 60 Comment
  OBI28970  Mentzelia affinis David J. Keil 1976-12-12 11885 Los Angeles 5 mi W of San Bernardino Co line along Calif Rte 138 1128 Comment
  SBBG11639  Mentzelia affinis E. R. Blakley 1958-5-9 2273 Los Angeles hills 2 mi E of Gorman 1097 Comment
  RSA697025  Mentzelia congesta LeRoy Gross, P. Morton 2004-6-9 1341 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.) 1688 Comment
  RSA729754  Mentzelia congesta R. G. Swinney 1999-7-5 7523 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
  UCR182251  Mentzelia laevicaulis R. G. Swinney 1997-12-31 5888 Los Angeles South Coast, Irwindale; abandoned gravel pit N of and adjacent to 210 Freeway, about 300 m east of Irwindale Avenue 152 Comment
  RSA0034503  Mentzelia laevicaulis Mark Schneider 1973-10-20 s.n. Los Angeles San Gabriel Mts., on cliff above Rd., Big Tujunga Canyon before trail canyon turn off. 609 Comment
  JEPS42773  Mentzelia micrantha F. M. Reed 1909-7-2 2818 Los Angeles Pebble Beach Road Catalina Island 15 Comment
  UC124598  Mentzelia micrantha H. M. Hall 8286 Los Angeles Avalon, Santa Catalina Isl. Comment
  UC1922363  Mentzelia micrantha Valerie Soza, Susan Caplow 2003-4-11 1630 Los Angeles Transverse Ranges; Verdugo Mountains region; Brand Park vicinity, head of Brand Canyon, alongside Brand Park Mtwy, north side of powerline tower. 640 Comment
  RSA9551  Mentzelia micrantha P. A. Munz, R. D. Harwood 1921-4-21 3703 Los Angeles San Dimas Canyon. 457 Comment
  SD134435  Mentzelia pinetorum Craig Reiser 1990-5-16 Los Angeles Mount McDill on the Ritter Ranch, NW of Palmdale Comment
  UC1121671  Mentzelia veatchiana A. D. Gifford 1935-4-21 611 Los Angeles 1 1/2 mi ne Manzana; Tejon Quadrangle Comment
  UC56514  Mentzelia veatchiana Ernest Braunton 1902-4-30 219 Los Angeles n Pomona Comment
  UCR250378  Mentzelia veatchiana A. C. Sanders, Plant Tax. Class 2014-4-12 41010 Los Angeles Mojave Desert, NW of Pinon Hills, 233rd St. East, 0.2 km south of Hwy 138 1095 Comment
  RSA705035  Mesembryanthemum nodiflorum Gary D. Wallace, C. Black, D. Cohen, R. Lavenburg 1983-6-29 2095 Los Angeles Santa Catalina Island: Twin Harbors area Marine Station. Comment
  UCR191723  Microseris douglasii A. C. Sanders 2008-4-18 34961 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, west side of canyon toward mouth 995 Comment
  UC557806  Microseris douglasii subsp. platycarpha Nell Murbarger 1936-3-1 51 Los Angeles San Clemente Island Comment
  RSA589337  Microseris heterocarpa Timothy S. Ross, Gery Allan, Mark Elvin, Jennifer Stone 1995-5-19 8588 a Los Angeles San Clemente Island: Northern tributary of Canchalagua Canyon, ca. 1070 ft NNE of the 1135-ft trangulation point. 256 Comment
  RSA611846  Microseris heterocarpa Steve Boyd, Valerie Soza 1998-4-28 10166 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. 536 Comment
  RSA251538  Microseris heterocarpa R. F. Thorne 1973-4-11 42820 Los Angeles San Clemente Island: plateau W of upper part of Norton Canyon. 396 Comment
  SFV18458  Mimulus aurantiacus C. Ferguson 1971-5-5 Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Comment
  UC917892  Mimulus aurantiacus var. pubescens Frank W. Gould 1944-4-16 2302 Los Angeles near corner of Skyline Drive and Ardsheal Drive; Whittier Hills Comment
  UC625043  Mimulus cardinalis F. R. Fosberg 1931-5-18 S 4910 Los Angeles Sweetwater Canyon Santa Catalina Island 160 Comment
  RSA101700  Mimulus cardinalis J. F. McBroom 1941-7-25 s.n. Los Angeles Angeles Crest Highway. Comment
  RSA420679  Mimulus cardinalis Mary H. Ward 1970-6-18 LASCA- 931 Los Angeles Growing in dry wash below Devil's Gate Dam, southwestern Pasadena Comment
  RSA733128  Mimulus floribundus R. G. Swinney 1998-7-30 6583 Los Angeles San Gabriel Mtns.: tributary of Cow Canyon at Fallen Leaf Spring, c. 2.4 mi. SW of Cow Cyn. Saddle of Glendora Rodge Rd. 1338 Comment
  RSA776481  Mimulus floribundus Jane Tirrell 2011-7-25 LS- 31 Los Angeles Little Jimmy Springs 2260 Comment
  UCR209106  Mimulus fremontii R. G. Swinney 2008-6-18 9072 Los Angeles San Gabriel Mountains, south of Juniper Hills, Burkhart Trail 0.7 miles WNW of Burkhart Saddle, junction of trail and W Fork of Cruthers Creek 2012 Comment
  UC1262271  Mimulus fremontii var. fremontii C. W. Tilforth, J. Dourley, W. Wisura 1978-4-17 1524 Los Angeles 2.5 air mi ne Valyermo (n slopes of mtns.); San Gabriel Mtns., Bob's Gap 1097 Comment
  POM63  Mimulus guttatus P. A. Munz 1918-5-19 2266 Los Angeles Pomona. Comment
  SBBG97019  Mimulus guttatus S. Boyd with T. Ross, L. Arnseth 1990-4-8 4437 Los Angeles Bryce Cyn near Malo Pt Comment
  UCR190058  Mimulus guttatus R. G. Swinney 1998-9-7 6935 Los Angeles San Gabriel Mtns., Dawson Peak Ridge Trail at far NE tributary of upper Fish Fork San Gabriel River, 1.3 mi. west of Dawson Peak 2524 Comment
  RSA80135  Mimulus guttatus F. W. Peirson 1904-8-28 1128 Los Angeles Little Santa Anita Canyon, San Gabriel Mountains. Comment
  RSA80448  Mimulus guttatus F. W. Peirson 1922-5-30 3073 Los Angeles Millard's Canyon, San Gabriel Mountains 991 Comment
  UCR7796  Mimulus johnstonii Wesley O. Griesel 1968-9-12 s.n. Los Angeles San Gabriel Mtns., in road cut at 6000 foot marker on Calif. Hwy 2 between Newcomb Ranch and Cloudburst Summit 1829 Comment
  UCR194262  Mimulus moschatus R. G. Swinney 1998-8-5 6651 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch 1280 Comment
  RSA747154  Mimulus pilosus R. G. Swinney 2008-6-4 8924 Los Angeles Devils Punchbowl Co. Park, west tributary of W Fork Punchbowl Canyon, 0.4 mi. NE of park headquarters. 1329 Comment
  RSA600465  Minuartia douglasii Steve Boyd, Lauren Raz 1997-4-30 9620 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine 866 Comment
  UCR260792  Mirabilis laevis R. G. Swinney 2010-2-27 11734 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
  RSA464642  Mirabilis laevis var. crassifolia F. R. Fosberg 1931-4-14 54602 Los Angeles Eagles Nest. Middle Ranch Canyon, Santa Catalina Island. 180 Comment
  UC1136586  Mirabilis laevis var. crassifolia A. D. Gifford 1935-3-15 458 Los Angeles 4 miles SW of Red Mountain 457 Comment
  RSA464658  Mirabilis laevis var. crassifolia M. B. Dunkle 1938-3-20 5256 Los Angeles Palos Verdes Hills, Los Angeles. Comment
  RSA641076  Monardella australis Orlando Mistretta 1995-7-12 1924 Los Angeles San Gabriel Mountains: Little Rock Creek, Buckhorn Campground. 2073 Comment
  UC284646  Monardella australis subsp. cinerea I. Johnston 1917-7-4 1420 Los Angeles near summit Baldy (type locality) 2971 Comment
  RSA579455  Monardella lanceolata Tim S. Ross, Steve D. Boyd 1994-6-23 8032 Los Angeles Sawmill Mountain: 5514-ft summit and immediately adjacent slopes. 1665 Comment
  RSA639886  Monardella linoides subsp. stricta Louis C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: Icy springs fork of Big Rock Creek, at Angeles Crest Highway. 2134 Comment
  RSA401626A  Monardella macrantha subsp. macrantha Fordyce Grinnell Jr. 1917-08 3265 Los Angeles near Barley Flats Comment
  POM221981  Monardella viridis subsp. saxicola Louis C. Wheeler 1936-6-22 4174 Los Angeles Tanbark Flat, San Dimas Canyon, San Gabriel Mtns. 823 Comment
  CAS-BOT-BC349488  Monolopia lanceolata Samuel B. Parish 1887-6-1 1962 Los Angeles Elizabeth Lake Comment
  RSA249761  Monoptilon bellidiforme R. F. Thorne, Gary D. Wallace 1973-4-25 43393 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1/4 mi N of Bob's Gap, 3.5 mi S of Llano, N slope of Holcomb Ridge. 1159 Comment
  RSA608227  Mucronea californica Louis C. Wheeler 1946-8-30 6326 Los Angeles West of Baldwin Park: Albarnes Station, east side San Gabriel Wash, just north of Valley Blvd. Comment
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Aug 13 2014
  RSA0071926  Muhlenbergia asperifolia Sarah Ratay, Robyn Shea 2006-12-7 102 Los Angeles Santa Catalina Island. Buffalo Springs Drainage. Comment
  RSA0021704  Muhlenbergia californica Duncan S. Bell, Caitlin Elam 2013-6-24 5265 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, below Airplane Flat, behind the Bridge To Nowhere. 870 Comment
  CATA3318  Muhlenbergia microsperma Amy Catalano, Laura Roll 2017-3-25 038 Los Angeles Santa Catalina Island: About 0.4 miles up from mouth of Silver Cyn., 150 meters up the main ridge to the north of the canyon 134 Comment
  RSA603011  Muhlenbergia microsperma L. C. Wheeler 1931-2-20 s.n. Los Angeles Pomona: Ganesha Park. Comment
  SBBG112970  Muhlenbergia microsperma S. A. Junak 1998-6-13 SCa 748 Los Angeles W side of Avalon Cyn drainage, along N rim of Quail Cyn, just W of Los Angeles County Fire Station 79 Comment
  RSA228903  Muhlenbergia richardsonis R. F. Thorne 1971-8-25 41271 Los Angeles San Gabriel Mountains, Angeles National Forest: Lily Spring on NW slope of Mt. Hawkins. Comment
  RSA603229  Muhlenbergia rigens L. C. Wheeler 1932-9-12 1374 Los Angeles San Antonio Canyon, San Gabriel Mts. 1219 Comment
  RSA757324  Muilla maritima Orlando Mistretta, Christine Mistretta 2008-4-4 2304 Los Angeles North of State Hwy 14 along Southern California Edison Transmission Line in the vicinity of Tuckerway Ranch Road (Segment 5, structure 58 per TRTP survey; 2008) 1089 Comment
  SD237233  Myriopteris covillei R. G. Swinney 2009-6-2 10986 Los Angeles Transverse Range; San Gabriel Mtns.: east slope of Pacifico Mountain at Fountainhead Spring. 2012 Comment
  UCR192157  Nama californica A. C. Sanders 2008-4-18 34975 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, at lowest wash-crossing of road in canyon 1029 Comment
  RSA728998  Nama demissa Gary D. Wallace, B. Gustafson, D. Minor, M. Wallace, F. Runyon, B. Birdsal 1982-4-26 1974 Los Angeles Fort Tejon Road. Comment
  SBBG33220  Nassella cernua S. A. Junak with M. L. Hoefs, K. Kirkland 1998-4-5 SCa 548 Los Angeles just N of rd to Toyon Bay, 1.1 rd mi from intersection with Airport Rd 316 Comment
  RSA526636  Nassella pulchra Steve Boyd 1990-4-7 4229 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  UC624989  Nassella pulchra F. R. Fosberg 1931-3-19 S 4308 Los Angeles near Avalon (canyon floor); Santa Catalina Island, Hamilton Canyon 10 Comment
  RSA601171  Nasturtium officinale L. C. Wheeler 1967-6-26 9898 Los Angeles San Gabriel Mountains : Elsmere Canyon, south central. At the forks of the canyon, just north of the section line. 488 Comment
  SD260234  Nasturtium officinale R. G. Swinney 2009-8-6 11540 Los Angeles Transverse Range; San Gabriel Mountains: San Antonio Canyon, below hogsback, 2.4 mi. upstream from Shinn Rd. on canyon bottom. 1073 Comment
  UC61535  Navarretia hamata Ernest Braunton Jun 1903 891 Los Angeles Glendale to Burbank Comment
  UCR139268  Navarretia hamata A. C. Sanders 2003-5-22 26831 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
  SBBG108415  Navarretia hamata T. Ross, G. Allan 1995-5-21 8616 Los Angeles between major terraces between the main stem of Horse Bench Cyn on the W of the main W stem of Chenetti Cyn on the e, 4790' NNW of Slope Triangulation Pt (781') and 5070' WSW of 1135' tri. Pt. near "Chenity" 315 Comment
  RSA500327  Navarretia hamata subsp. leptantha M. B. Dunkle 1928-5-13 1959 Los Angeles Santa Catalina Island. Head of Swain's Canyon. 396 Comment
  RSA73149  Navarretia prostrata F. W. Peirson 1906-7-19 951 Los Angeles Sink near Inglewood. Comment
  UC1409139  Nemacladus sigmoideus Robert F. Thorne 1973-5-11 43469 Los Angeles 0.25-0.50 mi n Bob's Gap (2.5 mi due s of Llano, n slope of Holcomb Ridge, San Gabriel Mts, Mojave Desert slope); San Gabriel Mts., Holcomb Ridge 1158 Comment
  UCR177498  Nemacladus sigmoideus LeRoy Gross 2005-5-19 2285 a Los Angeles Tehachapi Mountains, SE base of the mountains, just above the the W side of Cottonwood Creek 1174 Comment
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Feb 18 2017
  UCR222844  Nemacladus sigmoideus R. G. Swinney 2009-5-12 10749 Los Angeles Transverse Range; San Gabriel Mtns., lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg. ) of Littlerock 1088 Comment
  RSA713252  Nemacladus sigmoideus LeRoy Gross 2005-5-3 s.n. Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  RSA48449  Nemophila menziesii G. R. Campbell 1949-3-16 12823 Los Angeles 3 miles north of Claremont Comment
  UCSB49825  Nemophila menziesii Reisentz, Paul 1975-3-20 Los Angeles 2 miles east of Stunt Rd.; from Mulholland Hwy.; Santa Monica Mountains 365 Comment
  SBBG64800  Nemophila menziesii var. integrifolia R. Hoffmann 1927-6-14 Los Angeles Pine Cyn, Cottonwood Springs Comment
  UCSB5339  Nemophila menziesii var. menziesii H., J. 1935-2-22 Los Angeles San Dimas Exp. Forest; Bell dams; sec. 1, T 1N, R 9W Comment
  RSA289642  Nemophila menziesii var. menziesii Lyman Benson 1932-3-25 3147 Los Angeles San Gabriel Mountains. 1128 Comment
  UCR271567  Nemophila spatulata R. G. Swinney 2011-5-19 14774 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.6 miles SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., south side of Coldwater Cyn. creek 1073 Comment
  CHSC1926  Nicotiana glauca E. Thomas 1940-4-13 Los Angeles Claremont. 353 Comment
  RSA0083314  Nicotiana glauca R. G. Swinney 2010-3-22 12025 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  RSA426781B  Nicotiana glauca F. R. Fosberg 1931-3-18 S- 4284 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island. 10 Comment
  UCR48867  Nicotiana glauca Steve Morgan 1974-4-25 71 Los Angeles Western Transverse Range; Santa Monica Mtns., 1/4 mi east of Mulholland Hwy on Stunt Rd. 366 Comment
  SEINET10696854  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3961 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  UCD97859  Nitrophila occidentalis Eldon Paddock 1951-8-1 s.n. Los Angeles Coyote Creek Wash, toward Norwalk. Comment
  UC885959  Nuttallanthus texanus Ira W. Clokey, B. Templeton Mar. 1929 4505 Los Angeles Santa Monica Mountains, Mandeville Canyon Mandeville Canyon; Santa Monica Mountains, Mandeville Canyon 350 Comment
  UC174208  Oenanthe sarmentosa Katharine Brandegee Los Angeles San Pedro Comment
  UC1234728  Oenothera elata subsp. hirsutissima David P. Gregory 1961-7-12 472 Los Angeles over the ridge from Wrightwood (along stream); San Gabriel Mts., Prairie Fork Comment
  RSA226932  Oenothera elata subsp. hirsutissima Robert F. Thorne, C. W. Tilforth 1971-6-17 39962 Los Angeles 2 mi up Lower Tujunga Rd. from Forestry Headquarters 457 Comment
  UC1007160  Oenothera elata subsp. hookeri P. A. Munz 1937-7-4 14690 Los Angeles Claremont Comment
  RSA601134  Oenothera laciniata Louis C. Wheeler 1946-5-26 6212 Los Angeles El Monte. 2002 North Durbee Road. Comment
  SEINET10457478  Olea europaea Jon Ricketson, Heidi H. Schmidt 1992-10-19 Ricketson 4765 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
  SEINET9037797 Image available Opuntia M. A. Baker, Michelle Cloud-Hughes 2015-1 18410 Los Angeles Claremont, 100m south of the SE base of Indian Hill 409 Comment
  UCD169564  Opuntia basilaris var. brachyclada R. G. Swinney 2009-5-20 10856 Los Angeles Transverse Range; San Gabriel Mtns., Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge. 1433 Comment
  SEINET10947796  Opuntia littoralis LeRoy R. Abrams, Ernest A. McGregor 1908-7-2 Abrams 558 Los Angeles Rock Creek, desert slopes of the San Gabriel Mountains. 1158 Comment
  UCR205251  Orobanche R. G. Swinney 2005-8-17 8492 Los Angeles San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Holcomb Canyon south of South Fork Trail 1524 Comment
  RSA584631  Orobanche bulbosa Tim S. Ross, Steve D. Boyd 1993-5-23 7284 Los Angeles Steep, northerly draw draining from saddle between Red Mtn's long E Ridge and a small notched peak (3227-ft), to upper Clearwater Canyon, ca 430-500 m SSW of Plum Spring. 875 Comment
  UCR223447  Orobanche californica R. G. Swinney 2009-6-3 11041 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
  RSA0066444  Orobanche fasciculata Louis E. Hoffman 1929-4-13 s.n. Los Angeles Trail Canyon, Angeles National Forest. Comment
  RSA0059184  Orobanche uniflora subsp. occidentalis Frank W. Peirson 1921-5-12 1174 Los Angeles Big Santa Anita Trail, south slope of San Gabriel Mts. 762 Comment
  RSA310137  Osmorhiza berteroi Wayne E. Sawyer 1981-6-25 65 Los Angeles San Gabriel Mountains, Angeles National Forest: Lily Spring 2454 Comment
  SD92944  Osmorhiza brachypoda W. Bertsch 1953-4-21 90 Los Angeles Little Dalton Canyon. 365 Comment
  SBBG67547  Oxalis corniculata subsp. corniculata M. N. Ackley -Feb-1926 724 Los Angeles Eagle Rock 182 Comment
  SEINET6645814  Oxalis pes-caprae N. Bacon 1967-3-29 s.n. Los Angeles Los Angeles, Glenwood Pl., south gate Comment
  RSA715261  Oxalis purpurea A. C. Sanders 1988-2-18 7690 Los Angeles El Egundo Dune, W of LA International Airport, between Pershing Dr and Vista Del Mar Blvd 5 Comment
  UCR209914  Oxytheca parishii var. parishii R. G. Swinney 2008-7-25 9305 Los Angeles San Gabriel Mtns., Twin Peaks, East Peak 2366 Comment
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Aug 25 2010
  RSA601331  Oxytheca trilobata Steve Boyd, Lauren Raz 1997-6-17 9965 Los Angeles Liebre Mountains region: Western end of Sawmill Mountain at saddle between Fish Canyon and first canyon west of Sawmill Canyon, along Forest Service road 7N23, ca. 0.7 road miles east of junction with 7N19., At the point where fuelbreak crosses the road. 1549 Comment
  POM72484  Packera ionophylla I. M. Johnston 1925-8-1 6606 Los Angeles Upper Barrett Canyon, W end Ontario Peak on shady N slope near Cascade-Barrett Canyon divide 2042 Comment
  UCR271968  Packera ionophylla R. G. Swinney 2011-6-20 15212 Los Angeles San Gabriel Mountains, southeast margin of Crystal Lake, 10-30 meters from water line 1692 Comment
  SEINET209896 Image available Paeonia brownii P. S. Rattle 1938-3 sn Los Angeles San Gabriel Valley Comment
  RSA199680  Paeonia californica I. W. Clokey, Bonnie C. Templeton 1929-04 4447 Los Angeles Mandeville Canyon, Santa Monica Mountains. 425 Comment
  UCR270641  Paeonia californica R. G. Swinney 2011-3-22 14186 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  SBBG128297  Panicum capillare S. Ratay, R. Shea 2006-12-7 102 Los Angeles Buffalo Springs drainage Comment
  PASA1607  Papaver californicum Frank W. Peirson 1921-4-10 Los Angeles Trail to Sycamore Flat, San Dimas Region 533 Comment
  RSA445554  Papaver californicum Geo. L. Moxley 1910-5-21 327 Los Angeles Sturtevant Trail, San Gabriel Mtns. Comment
  CAS-BOT-BC274182  Pappostipa speciosa D. E. Breedlove 1962-5-12 2706 Los Angeles Eastern edge of Gorman 1219 Comment
  SBBG83251  Parapholis incurva M. Daily 1986-4-7 SCa-t- 8 Los Angeles Bird Rock Comment
  SEINET3225273 Image available Parapholis incurva Anuja Parikh, Nathan Gale 2004-5-29 2012 Los Angeles Santa Clara River Valley: Newhall Ranch (study area 28), near mouth of Potrero Canyon (Val Verde 7.5' Q.). 259 Comment
  SDSU11316  Parietaria hespera var. californica R. M. Beauchamp 1967-3-18 284 Los Angeles In moist, shady area on south slope of canton below Lemon Tank. San Clemente Island. 305 Comment
  RSA187958  Paspalum dilatatum R. F. Thorne 1966-6-1 36486 Los Angeles Santa Catalina Island: site of razed St. Catherine's Hotel, N of Avalon. 5 Comment
  LA8367  Paspalum distichum J. A. Ewan; 1932-6-28 7514 Los Angeles 99 Comment
  RSA570184  Pectocarya recurvata T. S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 5021 Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash 841 Comment
  RSA0021480  Pedicularis semibarbata Duncan S. Bell, Caitlin Elam 2013-7-11 5352 Los Angeles Sheep Mountain Wilderness; northeastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1997 Comment
  RSA579324  Pedicularis semibarbata Tim S. Ross 1994-5-31 7965 Los Angeles Pacifico Mt.: ca 530m due W of the 7124 ft. summit; low saddle-like area, functionally the head of Santiago Canyon. 2006 Comment
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Jan 30 2018
  RSA643169  Pedicularis semibarbata Orlando Mistretta 1993-6-28 s.n. Los Angeles San Gabriel Mountains: Angeles National Forest. Table Mountain; Sunrise ski area. Comment
  CAS-BOT-BC67706  Pellaea andromedifolia Ira L. Wiggins; L. R. Abrams 1931-7-6 350 Los Angeles San Clemente Island, vicinity of Mosquito Harbor Comment
  RSA686719  Pellaea andromedifolia F. R. Fosberg 1931-4-15 R 91 Los Angeles Santa Catalina Island. Eagle's Nest, Middle Ranch Canyon. 180 Comment
  RSA704715  Pellaea andromedifolia Gary D. Wallace, M. Wallace 1985-3-2 2172 Los Angeles Palos Verdes Peninsula, S of Los Angeles. N of Portugese Bend and the school on Forrestal Rd. Comment
  UCR88659  Pellaea mucronata Scott D. White 1995-10-19 3713 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  RSA616536  Pellaea mucronata var. mucronata Scott D. White 1995-10-19 3713 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
  UCSB45224  Pennisetum setaceum Batson, J. 1979-5-12 Los Angeles Highway 1 at its junction with Highway 23 near Malibu 22 Comment
  RSA698748  Penstemon centranthifolius LeRoy Gross, Paul Morton 2004-6-9 1334 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.) 1688 Comment
  RSA749029  Penstemon centranthifolius R. G. Swinney 2008-5-5 8747 Los Angeles Big Rock Creek at Paradise Springs 1427 Comment
  POM156297  Penstemon centranthifolius L. R. Abrams 1902-6-20 2593 Los Angeles Summit of Mt. Wilson 1768 Comment
  RSA0014866  Penstemon centranthifolius Gary D. Wallace, M. Wallace 1983-5-20 2073 Los Angeles Aliso Canyon road between Acton and Angeles Forest highway. Comment
  UC27412  Penstemon centranthifolius J. H. Barber 1897-6-25 182 Los Angeles above Lang (Soledad Canyon, Southern California); Soledad Canyon, above Lang Comment
  RSA0096804  Penstemon grinnellii R. G. Swinney 2011-10-10 15753 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
  RSA17072  Penstemon grinnellii subsp. grinnellii Carl B. Wolf 1936-5-27 7840 Los Angeles Indian Canyon Camp, 2 mi off Soledad Canyon 915 Comment
  NY604272  Penstemon labrosus V. Duran 1933-7-19 3519 Los Angeles Buckhorn, San Gabriel Mountains. 1981.2 Comment
  RSA549490  Penstemon labrosus Tim S. Ross, Steve D. Boyd 1990-6-18 3472 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  RSA597383  Penstemon speciosus Tim S. Ross, Peter Fritsch, S. D. Boyd, Orlando Mistretta 1990-6-22 3701 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon. 1939 Comment
  NY661196  Penstemon spectabilis var. spectabilis F. W. Pennell 1940-5-3 25302 Los Angeles Route 66, Claremont 701.0 Comment
  RSA729363  Penstemon spectabilis var. subviscosus R. G. Swinney 1998-7-27 6494 Los Angeles Dry Lake, south of Sunset Peak at head of Dry Lake Canyon. 1515 Comment
  RSA0070816  Pentagramma triangularis R. F. Thorne 1971-4-23 41466 Los Angeles San Gabriel Mts., Angeles National Forest: along trail from Chantry Flats into Santa Anita Canyon. 609 Comment
  CAS-BOT-BC71663  Pentagramma triangularis subsp. triangularis Tim Ross; Steve Boyd 1991-4-25 4581 Los Angeles San Gabriel Mtns: Steep slope dropping S from Doe Flat toward Graveyard Canyon 792 Comment
  UC218597  Pentagramma triangularis subsp. triangularis George B. Grant and Walter Wheeler Apr 21 1904-Apr 26 1904 530 a Los Angeles Santa Catalina Isl Comment
  UCR200126  Pentagramma triangularis subsp. triangularis Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 766 Los Angeles Verdugo Mountains, south side, above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Motorway 518 Comment
  UCSB62250  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-4-16 Los Angeles Santa Monica Mtns., so. of Tarzana, Caballero Crk. ca. 1 mi. so. of the end of Reseda Blvd. 304 Comment
  RSA762294  Pentagramma triangularis subsp. triangularis Orlando Mistretta, Christine Mistretta 2008-5-6 2659 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
  UCSB62249  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-6-5 Los Angeles San Gabriel Mtns., Glendora Ridge, ca. 1/2 mi. no. of Cow Cyn. Saddle 1402 Comment
  SD3467  Perideridia californica Ruth B. Randall Apr 1920 Los Angeles Mint Canyon Southern California Comment
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Mar 16 2014
  SBBG125051  Perideridia pringlei A. Parikh, N. Gale 2010-5-25 3219 Los Angeles E Liebre Mtns, Sierra Pelona, 5.4 km W of State Hwy 14, 2.0 km SW of California Aqueduct 1134 Comment
  UC1400391  Perideridia pringlei Robert F. Thorne 1973-5-11 43574 Los Angeles along Mt. Emma Rd 10 mi w Little Rock Creek (below the dam); San Gabriel Mts., Mohave Desert slope 1036 Comment
  SFV1551  Peritoma arborea K. A. Wilson 1961-2-8 837 Los Angeles San Gabriel Mountains Route 6, about 7 miles north of Forest Park. 745 Comment
  SD21265  Peritoma arborea var. arborea Norman E. Bilderback 1938-4-23 Los Angeles Santa Catalina Island; Catalina Harbor. Comment
  SBBG96952  Perityle emoryi S. Boyd with T. Ross, L. Arnseth 1990-4-8 4287 Los Angeles first cyn S of Bryce Cyn Comment
  UC90638  Perityle emoryi T. S. Brandegee May 1890 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC418875  Persicaria hydropiperoides A. C. Sanders; T. B. Salvato; Mitch Provance 2009-5-27 36952 Los Angeles San Gabriel Valley: confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines. 88 Comment
  SD234446  Petalonyx thurberi David Charlton, Virginia Howard 1989-6-15 3356 Los Angeles Western Mojave Desert: sled track near south entrance to Edwards Air Force Base, near intersection of Lancaster Blvd. (120th St E) and Ave. D (Redman 7.5' Q) 712 Comment
  RSA427577  Phacelia brachyloba L. E. Hoffman 1927-8-19 s.n. Los Angeles Clear Creek, Angeles National Forest. Comment
  RSA660397  Phacelia brachyloba Orlando Mistretta 1992-6-17 586 Los Angeles Road 2N09 EA. Curtiss Haul Road, Cow Canyon. From 2nd drainage down to Cattle Canyon. Comment
  RSA0077091  Phacelia cicutaria var. hispida R. G. Swinney 2010-4-15 12230 Los Angeles Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  RSA167644  Phacelia cicutaria var. hispida Peter H. Raven, Robert F. Thorne 1964-5-7 19010 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  RSA177779  Phacelia cicutaria var. hispida Robert F. Thorne, P. Everett 1965-5-11 34583 Los Angeles N side of N beach of Little Harbor; Santa Catalina Island 15 Comment
  RSA747225  Phacelia cicutaria var. hispida R. G. Swinney 2008-4-10 8629 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Lodi Canyon, W of San Dimas Reservoir. 463 Comment
  SD260257  Phacelia cicutaria var. hispida R. G. Swinney 2011-5-31 14937 B Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek. 2009 Station Fire burn. (Chilao Flat 7.5'Q) 1096 Comment
  UC934014  Phacelia cicutaria var. hispida H. L. Cogswell 1951-6-8 116 Los Angeles Watershed 4 San Gabriel Mountains, Bell Canyon (w side of canyon, Sec. F-5, Plot 5) 853 Comment
  UCR126818  Phacelia cicutaria var. hispida A. C. Sanders, Mark A. Elvin 2003-6-18 26957 Los Angeles Santa Susana Mountains, Western Transverse Range, around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon 1037 Comment
  UCR191725  Phacelia cicutaria var. hispida A. C. Sanders 2008-4-23 35065 Los Angeles Transverse Range; western San Gabriel Mtns., upper Cow Spring Canyon 1090 Comment
  RSA160527  Phacelia cicutaria var. hispida J. D. Olmsted 1958-3-9 33 Los Angeles along hillsides of Johnson Cr. and Thompson Cr.; southwestward drainage along Thompson Cr. east of Webb School and 3/4 mi. NW of intersection of Indian Hill and Baseline NW Claremont. 457 Comment
  SBBG122694  Phacelia cicutaria var. hubbyi A. Parikh, N. Gale 2009-5-21 2151 Los Angeles N side of Santa Susana Mtns, Newhall Ranch, between Potrero/Pico Cyns, 5.6 km W of Interstate 5, 1.4 km SW of Potrero Cyn 515 Comment
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Oct 9 2012
  UCR208929  Phacelia cicutaria var. hubbyi M. B. Dunkle 1933-4-19 3306 Los Angeles South Coast, Palos Verdes Hills 450 Comment
  RSA727732  Phacelia cryptantha R. G. Swinney 1998-5-16 6094 Los Angeles San Gabriel Mountains/Mojave Desert: near Pinon Hills, Mescal Highlands, 0.9 mile west of 237th St. East at Panorama Way, 2.3 mi. S of Ft. Tejon Rd. 1402 Comment
  SEINET3237842 Image available Phacelia davidsonii R. G. Swinney 1998-7-10 6377 Los Angeles San Gabriel Mtns.; Prairie Fork, near Cabin Flats Campground. 1591 Comment
  UC519877  Phacelia davidsonii C. Epling 1931-5-16 Los Angeles Big Pines Camp San Gabriel Mts. Comment
  PASA1381  Phacelia distans Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  RSA660114  Phacelia distans Orlando Mistretta 1992-6-12 556 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  UCR281169  Phacelia distans R. G. Swinney 2014-5-7 16426 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
  RSA60724  Phacelia douglasii Frank W. Gould 1944-4-1 s.n. Los Angeles Playa Del Rey, near and south of Los Angeles County. Comment
  UCR143538  Phacelia douglasii H. M. Hall 1902-5-1 3063 Los Angeles Transverse Ranges; Liebre Mtns region, Antelope Valley, vicinity of Elizabeth Lake 1220 Comment
  RSA0069365  Phacelia fremontii Dean W. Taylor 2003-3-26 18479 Los Angeles Vincent, ca. 1.5 air mile NW of Vincent electrical substation (along steel-tower electrical transmission line corridor); Soledad Pass vicinity. 1066 Comment
  UC24313  Phacelia fremontii Harvey M. Hall 1896-8-5 291 Los Angeles Swartout Canyon San Antonio Mts. Comment
  JEPS1983  Phacelia grandiflora Samuel B. Parish June 1887 1929 Los Angeles Glendale Comment
  RSA428245  Phacelia grandiflora N. C. Cooper 1933-7-11 3664 Los Angeles Lower San Gabriel Canyon, between Dams. Comment
  UC56893  Phacelia hubbyi W. A. Setchell 1901-3-13 Los Angeles Elysian Park Los Angeles Comment
  SD45587  Phacelia longipes D. F. Howe 1953-5-31 2295 Los Angeles San Gabriel Mountains, Arroyo Seco 671 Comment
  RSA11077  Phacelia minor Carl B. Wolf 1928-3-29 1586 Los Angeles Castaic; South base of Ridge Route road 396 Comment
  RSA651302  Phacelia minor Lori Ackerman, Gerald Braden 1988-4-22 2 Los Angeles North end of West Fork River, San Gabriel Mountains. Comment
  RSA650537  Phacelia minor Mary H. Ward, Shirley W. Campbell 1970-4-16 s.n. Los Angeles San Rafael Hills, behind Linda Vista, southwestern Pasadena 305 Comment
  SBBG133908  Phacelia parryi R. Burgess, P. Munro 2005-5-18 6859 Los Angeles W side of Westlake Blvd, top of 1st Hill S of Ventura County line, Santa Monica Mtns 426 Comment
  POM3706  Phacelia ramosissima var. austrolitoralis I. M. Johnston 1917-6-10 1322 Los Angeles Playa del Rey. Comment
  RSA428159  Phacelia ramosissima var. austrolitoralis E. S. Spalding 1929-5-3 s.n. Los Angeles manhattan Beach Comment
  RSA738064  Phacelia tanacetifolia Jane Snyder 1966-5-10 2 Los Angeles San Rafael Hills. 213 Comment
  RSA160867  Phacelia tanacetifolia Percy C. Everett, Nick Lolonis 1962-4-30 24459 Los Angeles Hwy 138 at intersection with Palmdale Road Comment
  RSA682580  Phacelia tanacetifolia Amber Maurice, Laura Hoglin, Sylvia Rivera 2003-4-24 s.n. Los Angeles Gorman Pass, Tejon Ranch. Comment
  HSC94031  Phacelia viscida Steve Boyd, Lauren Raz, T. S. Ross 1997-4-1 9455 Los Angeles Liebre Mountains, upper watershed of Osito Cyn between Hwy I-5 & the Old Ridge Route, vic. of 'Osito Flat,' a distinctive, open grassy break in slope under the high tension power lines. 793 Comment
  RSA428243  Phacelia viscida Robert M. Perkins 1936-4-26 150 Los Angeles Santa Monica Mts. Comment
  CAS-BOT-BC258827  Phalaris angusta Geo. B. Grant 1900-3-30 s.n. Los Angeles Avalon Comment
  CATA760  Phalaris aquatica Mark L. Hoefs 1991-5-28 1296 Los Angeles Santa Catalina Island: At Black Jack Campground 490 Comment
  CATA797  Phalaris aquatica Mark L. Hoefs, Robert Given 1991-6-12 1366 Los Angeles Santa Catalina Island: Near road above Salta Verde Beach 304 Comment
  RSA724987  Phalaris paradoxa K. Dobry 1991-6-13 d- 863 Los Angeles Thousand Oaks Simi Hills on slopes of Metclef ridge. 1/2 mi N. of Olsen Rd off Moorpark Rd. Comment
  LA38517  Pholistoma auritum var. auritum Carl Epling; 1930-4-10 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon Comment
  RSA653745  Pholistoma auritum var. auritum Valerie L. Soza, LeRoy Gross, Adelina Munoz 2000-5-12 891 Los Angeles Verdugo Mountains, northeast side: Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. Canyon SW of fire road south from Engleheard Canyon to powerlines. 427 Comment
  UCSB5477  Pholistoma membranaceum Ralph, F. 1960-4-1 Los Angeles N side of Calif Hwy. 138, 9.0 miles E of its jct. with the road to Valyermo and Big Pines E of Pearblossom and 0.6 miles W of jct. of road to Victorville, Mojave Desert Comment
  SEINET5499611  Pholistoma racemosum G. B. Grant 1904-1 831 /3671 Los Angeles Santa Catalina Island in the Pacific Ocean Comment
  SEINET13383131 Image available Phoradendron bolleanum R. G. Swinney 2010-1 13084 Los Angeles Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1073 Comment
  RSA97440  Phoradendron densum F. W. Peirson 1919-5-10 4682 Los Angeles Arrastre, San Gabriel Mountains 854 Comment
  UC535361  Phoradendron macrophyllum Ira W. Clokey, B. Templeton 1929-4-1 4449 Los Angeles top of ridge Mandeville Canyon; Santa Monica Mts., Mandeville Canyon 500 Comment
  RSA649656  Phoradendron villosum Michael Horn 1991-4-30 16 Los Angeles San Gabriel Mountains. Take dirt road 4N06 2 1/2 miles north of Hwy CN4 to reservoir. East 1/8 mile on unnamed dirt road to site. 1463 Comment
  CAS-BOT-BC250986  Phragmites australis G. B. Grant 1902-10-4 s.n. Los Angeles Los Angeles Comment
  CATA564  Phyllospadix torreyi Mark L. Hoefs, Robert F. Thorne 1975-8-7 828 Los Angeles Santa Catalina Island: Little Harbor -3 Comment
  SBBG77058  Phyllospadix torreyi F. R. Fosberg 1931-5-16 4877 Los Angeles Little Harbor 2 Comment
  UCR217421  Picris echioides R. G. Swinney 2009-3-10 10065 Los Angeles San Gabriel Mtns. Foothills, Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  UCR280729  Pinus coulteri R. G. Swinney 2011-7-8 15503 Los Angeles San Gabriel Mountains, 'Strawberry Potrero', uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  SFV6848  Pinus flexilis T. Gordon, K. A. Wilson, D. R. Perry 1974-8-14 586 Los Angeles San Gabriel Mountains Just below Mount Baden-Powell on north facing ridge. 2774 Comment
  CATA1923  Pinus halepensis Amy Catalano 2014-9-22 013 Los Angeles Santa Catalina Island: Roy Rose Garden 444 Comment
  RSA650250  Pinus halepensis Rudolf Schmid 1961-4-26 s.n. Los Angeles Episcopal Church, First Ave, Arcadia. Comment
  RSA169027  Pinus jeffreyi Mark Parratt 1964-2-6 604 Los Angeles Table Mountain, Table Mountain Campground area; N-facing slope 3 miles north of Big Pines Ranger Station, Angeles National Forest 2195 Comment
  UCR223453  Pinus jeffreyi R. G. Swinney 2009-6-8 11102 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
  RSA0047921  Pinus lambertiana R. G. Swinney 2010-9-23 13872 Los Angeles Summit of Middle Hawkins Peak on Hawkins Ridge. 2576 Comment
  UCR276820  Pinus monophylla R. G. Swinney 2010-5-21 12879 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  CATA3271  Pinus radiata Ben Dion, Julia Parish 2017-1-26 003 Los Angeles Santa Catalina Island: Middle Canyon, halfway between Pumphouse 2 and first junction with Skull Ridge Road 0 Comment
  RSA598885  Pinus sabiniana Steve Boyd, T. S. Ross 1997-3-21 9200 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  RSA0081628  Piptatherum miliaceum R. G. Swinney 2010-8-30 13638 Los Angeles East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream. 595 Comment
  UC1587210  Piptatherum miliaceum Tim Ross 1991-5-20 5358 Los Angeles 3300 ft nw 750 ft BM (upper reaches of drainage); San Clemente, Wilson Cove Canyon drainage 141 Comment
  CHSC5083  Plagiobothrys Mary MacArthur 1967-6-24 68 Los Angeles .7 mi. from turn-off on Angeles Crest Hwy. to lower Chilao keeping always to right--left side of road by intermittent stream bed, Angeles National Forest. 1584 Comment
  UCR261850  Plagiobothrys acanthocarpus Tim Thomas 1990-3-29 1356 Los Angeles Transverse Range, Southern Simi Hills, Chesebro Canyon parking lot 305 Comment
  RSA599271  Plagiobothrys arizonicus Steve Boyd, Lauren Raz 1997-3-31 9445 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 914 Comment
  RSA702952  Plagiobothrys arizonicus Scott D. White, Michael Honer 2004-3-30 9962 Los Angeles Eastern edge of the City of Palmdale, ca. 1 mile west-northwest of Four Points 838 Comment
  UCR122608  Plagiobothrys arizonicus George K. Helmkamp, E. A. Helmkamp 1998-5-21 4043 Los Angeles Western Mojave Desert/Transverse Range, junction of Munz Ranch Rd and Lake Elizabeth Rd., north of Lake Elizabeth 1006 Comment
  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
  IRVC26316  Plagiobothrys nothofulvus A. C. Sanders, Andy Thompson 2003-4-15 25983 Los Angeles Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 396 Comment
  UCR192208  Plagiobothrys nothofulvus A. C. Sanders 2008-4-16 34905 Los Angeles Tehachapi Mtns. Foothills/ W Mojave Desert, west end of Antelope Valley, hills c. 1.25 mi. NE of Quail Lake, c. 0.7 mile north of Hwy 138 1000 Comment
  POM3871  Plagiobothrys parishii Marjorie Shaw, Spaulding, Walton 1917-4-6 993 Los Angeles Lovejoy Springs, 16 miles north of east Palmdale Comment
  CATA506  Plantago coronopus Sara L. Crockett 1997-4-2 650 Los Angeles Santa Catalina Island: Point above Empire Landing Quarry site, ca. 0.25 mile N of Empire Landing Road, from point 2.4 miles from jct. with Airport Road 240 Comment
  UC303443  Plantago coronopus S. B. Parish 1916-3-31 10751 Los Angeles Pebble Beach Santa Catalina Island Comment
  UCR153322  Plantago erecta A. C. Sanders, T. B. Salvato 2005-4-26 29736 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, bowl between ridges at NE end of Cruzan Mesa, just south of Vasquez Canyon Road 595 Comment
  RSA188084  Plantago erecta Robert F. Thorne 1966-4-28 36261 Los Angeles Santa Catalina Island. Water tank above Mausoleum, Avalon Canyon above road 183 Comment
  RSA661029  Plantago erecta Orlando Mistretta 1992-4-5 172 Los Angeles Guds, San Clemente Island. Comment
  UCR199943  Plantago indica Scott D. White, Justin Wood 2008-5-19 12017 Los Angeles Los Angeles Basin, Whittier Narrows Dam County Recreation Area. San Gabriel River floodplain, between Durfee Ave. and 605 freeway. SCE powerline corridor 70 Comment
  CATA1416  Plantago major Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1995-11-11 2570 Los Angeles Santa Catalina Island: Lower Descanso Canyon, just above Descanso Beach 6 Comment
  RSA0021520  Plantago major Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5150 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  UCR204574  Plantago major R. G. Swinney 2005-8-5 8391 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR270841  Platanthera dilatata var. leucostachys R. G. Swinney 2011-8-17 15619 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  SEINET10297788  Platanthera dilatata var. leucostachys Unknown 1962-1 Los Angeles Comment
  POM320560  Platanthera leucostachys Greg Wright 1971-7-24 361 Los Angeles CA Highway 2 east of mileage marker LA71.84. San Gabriel Mountains. 2226 Comment
  CHSC19521  Platanus racemosa Wendell Wood 1970-6-17 10 Los Angeles Linda Vista Rd. and Chevy Chase. Glendale. On canyon hillside. 365 Comment
  LA29314  Platanus racemosa Mary V. Hood; 1942-12-16 42 96 k Los Angeles 128 Comment
  LA91461  Platanus racemosa Bruce Douglas Clayton; Greg Shaw 1972-4-4 61 Los Angeles SANTA MONICA MOUNTAINS, Nettleburn Creek Canyon, Mountain Park Research Campus 554 Comment
  RSA584118  Platanus racemosa Tim S. Ross 1990-6-11 2989 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon. 1255 Comment
  RSA590940  Platanus racemosa Orlando Mistretta 1994-4-12 1031 Los Angeles Little Rock Creek: Slopes E of Little Rock Reservoir 976 Comment
  UCR177747  Platanus racemosa LeRoy Gross, Naomi Fraga 2002-4-4 517 Los Angeles Los Angeles Basin: Verdugo Mountains Region, Southwest side; From saddle along main crest where the dirt roads of Verdugo Mountain Way & Chandler Fire Road meet, (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road, (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. This home was burned down a long time ago, and road abandon'ed. 468 Comment
  POM148422  Platystemon californicus C. F. Baker 1904-5-2 7731 Los Angeles Hills near Claremont Comment
  CDA34950  Plecostachys serpyllifolia R. E. Riefner Jr. 2009-6-9 09 -113 Los Angeles Malibu; ca. 0.25 mi west of La Piedra State Beach. Comment
  SBBG69562  Plectritis ciliosa subsp. insignis R. Hoffmann 1925-4-19 Los Angeles Bouquet Cyn Comment
  JEPS5136  Plectritis ciliosa subsp. insignis Frank W. Peirson 1925-4-23 5807 Los Angeles San Gabriel Canyon, below Forks San Gabriel Canyon 365 Comment
  RSA618988  Pluchea odorata LeRoy Gross 1998-9-20 80 Los Angeles Southern base San Gabriel Mtns.: Tujunga Ponds. West of 210 freeway in big Tujunga wash, city of Sunland 365 Comment
  UC53983  Pluchea odorata var. odorata H. P. Chandler 1902-9-9 2040 Los Angeles Ballona Marsh Comment
  UC625113  Pluchea sericea F. R. Fosberg 1931-4-3 S 4479 Los Angeles Pebble Beach Santa Catalina Island 2 Comment
  SFV21023  Poa bulbosa L. Gross, J. Gross, J. Gross, Jr., M. Gross 2002-4-27 533 Los Angeles San Gabriel Mountains West Fork San Gabriel River, Valley Forge Campground. 1057 Comment
  UCR271827  Poa bulbosa subsp. vivipara R. G. Swinney 2011-6-23 15308 Los Angeles San Gabriel Mountains, Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao Visitor Center 1582 Comment
  UCD90314  Poa secunda A. A. Beetle 1942-4-24 3213 Los Angeles 6 miles W of Llano. Comment
  UCR99217  Poa secunda Scott D. White, Chet McGaugh 1995-5-16 3062 Los Angeles Transverse Range; eastern Santa Susana Mtns, just west of San Gabriel mountains. 'Sunshine Canyon' (name not on topo), west of San Fernando Rd and Hwy I-5, just SW of interchange with Calif. Rte 14 Fwy 488 Comment
  RSA616146  Polycarpon tetraphyllum Valerie L. Soza 1998-5-3 100 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
  RSA460147  Polygala cornuta var. fishiae L. E. Hoffman 1931-11-16 s.n. Los Angeles Malibu Creek Comment
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Apr 30 2011
  UCR223798  Polygonum aviculare R. G. Swinney 2009-8-25 11473 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
  UC56647  Polygonum lapathifolium Miss E. D. Palmer before Feb. 1902 Los Angeles near Chino Comment
  RSA689888  Polypodium californicum M. B. Dunkle 1929-2-10 2050 Los Angeles Santa Catalina Island, Bullrush Canyon. 1000 Comment
  UCSB62421  Polypodium californicum Kendall, M. 1921-1-30 Los Angeles San Jose Hills Comment
  UCSB8298  Polypodium californicum Wedberg, Lee 1954-5-7 Los Angeles Sierra Madre Canyon, L.A. 304 Comment
  RSA535751  Polypodium californicum T. S. Ross 1991-5-23 5500 Los Angeles San Clemente Island: lower Tota Canyon, middle of island, eastern escarpment. 88 Comment
  UC1109341  Polypogon monspeliensis Peter H. Raven 1962-7-12 18042 Los Angeles Wilson Cove San Clemente Island; , Wilson Cove 45 Comment
  RSA385494  Polypogon viridis Blanche Trask 1901-03 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  UCD91456  Polypogon viridis P. C. Everett; E. K. Balls 1960-5-30 24133 Los Angeles San Gabriel Canyon, 2.5 mile from Azusa. 243 Comment
  RSA747774  Polystichum imbricans subsp. curtum Scott D. White, Justin M. Wood 2009-5-6 12658 Los Angeles San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  POM360831  Populus M. B. Dunkle 1928-10-7 1995 Los Angeles Santa Catalina Island. Middle Ranch Gorge. Comment
  RSA448070  Populus alba G. R. Johnstone 1931-4-18 s.n. Los Angeles Elysian Park Comment
  CAS-BOT-BC267153  Potamogeton foliosus A. J. McClatchie 1895-1-1 s.n. Los Angeles Pasadena Comment
  UCR162364  Potamogeton pectinatus Anuja Parikh, Nathan Gale 2004-6-15 2040 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 5) in vicinity of Castaic Junction 305 Comment
  UCR210133  Potentilla glandulosa R. G. Swinney 2008-8-13 9390 Los Angeles San Gabriel Mtns., Big Rock Creek, 1.3 mi. east of Fenner Canyon 1860 Comment
  LA82103  Potentilla glandulosa subsp. glandulosa O. H. Kappler; 1941-6-5 305 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA453209  Prunus emarginata Christopher Davidson 1975-5-25 2556 Los Angeles 3.3 mi NE of Old Ridge Route (8N04) on rd 7N23 to Liebre Mtn., ca. 0.2 mi past Sandberg Pk. 1692 Comment
  RSA316364  Prunus fasciculata Robert F. Thorne, S. Granger, Pamela Burton 1982-4-20 54992 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
  UCR197731  Prunus fasciculata var. fasciculata Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 73 Los Angeles Transverse Ranges; San Gabriel Mountains, south edge of Bob's Gap, on slopes and roadside, and down in the wash 1433 Comment
  CHSC25551  Prunus ilicifolia Robert A. Schlising 1970-5-2 2946 Los Angeles Lopez Canyon, north of Pacoima. Comment
  RSA12024  Prunus ilicifolia Fay A. MacFadden 1929-6-6 1071 Los Angeles Verdugo Mountains: Tuna Canyon. Comment
  RSA680077  Prunus ilicifolia subsp. lyonii Mark A. Elvin, Michael Wall, Jennifer Stone 1996-8-7 308 Los Angeles San Clemente Island. Conchulagua Canyon. In canyon floor. 305 Comment
  SEINET3840706  Prunus persica Unknown 1939-7-5 157 Los Angeles Los Angeles, Dr. Doyles garden Comment
  RSA495556  Prunus virginiana var. demissa S. Zona, D. Arias, Oscar Dorado, M. Hanson, Jose Luis Villasenor 1989-6-21 337 Los Angeles Mountain High Ski Resort: W of Wrightwood, N slopes of San Gabriel Mts. 2018 Comment
  RSA632947  Pseudognaphalium biolettii Valerie L. Soza, Kent Hughes 1999-6-17 551 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail at San Olene Canyon. 732 Comment
  SD27745  Pseudognaphalium biolettii Carl B. Wolf 1932-5-9 3429 Los Angeles Santa Catalina; 0.5 miles from Avalon on road to Pebbly Beach. 7 Comment
  UC57574  Pseudognaphalium biolettii J. H. Barber 1897-3-16 69 Los Angeles Santa Monica Forestry Station Comment
  CAS-BOT-BC356566  Pseudognaphalium biolettii H. M. Hall 1903-4-1 3773 Los Angeles Playa del Rey near Los Angeles Comment
  OBI55615  Pseudognaphalium biolettii F. C. Boutin 1967-4-23 1699 Los Angeles San Clemente Island: W side of island, along coast NW of Eel Point Comment
  CAS-BOT-BC356710  Pseudognaphalium californicum Alice Eastwood 1906-5-27 6 Los Angeles Country adjacent to Los Angeles. Garvanza Comment
  UC1595250  Pseudognaphalium californicum Tim Ross and Peter Fritsch 1990-6-20 3639 Los Angeles near the confluence of e and w forks of San Gabriel River (mouth of Burro Canyon, on disturbed flats, stream bottom to slopes); San Gabriel Mountains, Burro Canyon 445 Comment
  SD249155  Pseudognaphalium luteoalbum Michael G. Simpson, Adrienne Russell, Jonathan Dunn 2000-7-20 2196 Los Angeles San Clemente Island, Horse Beach Canyon, ca. 2.3 miles north of China Point. 182 Comment
  CATA1807  Pseudognaphalium microcephalum Benjamin E. Carter 2012-8-23 6991 Los Angeles Santa Catalina Island: Airport Road, about 1/2 mile north of Middle Ranch Road 395 Comment
  CAS-BOT-BC357627  Pseudognaphalium stramineum Geo. B. Grant 1904-3-31 s.n. Los Angeles Pasadena Comment
  RSA650249  Pseudotsuga macrocarpa J. A. Harpel 1974-5-18 s.n. Los Angeles Near Big Rock Cr. C.G., on Rd. 8W04, Angeles Nat. For. 1372 Comment
  SEINET3875017  Pseudotsuga macrocarpa Clayton Newberry 1994-5-30 7230 Los Angeles San Gabriel Mountains. Angeles National Forest, SR 2 (Angeles Crest Hwy at Cloudburst Canyon.; 0 1890 Comment
  UCR147790  Pseudotsuga macrocarpa Valerie Soza, Laura Moore 2000-6-14 1014 Los Angeles San Gabriel Mountains, Spring at Big Cienega, c. 0.6 mi NE of Deer Flat Campground along S Hawkins Road (FSR 3N07.2) 1982 Comment
  RSA0082966  Pteridium aquilinum R. G. Swinney 2010-8-26 13603 Los Angeles North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 720 Comment
  UC1250338  Pteris vittata Lawrence L. Kiefer 1963-2-17 432 Los Angeles ca. 2 mi from mouth Eaton Canyon (between 2nd. and 1st. falls); San Gabriel Mts, Eaton Canyon 365 Comment
  RSA744262  Pterospora andromedea R. G. Swinney 2001-8-27 8106 Los Angeles 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area. 2463 Comment
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Apr 20 2010
  UCR202703  Pterospora andromedea R. G. Swinney 2001-8-18 8053 Los Angeles San Gabriel Mtns., north slope of Mt. Baden-Powell, c. 2 miles south of Hwy 2 at Vincent Gap on trail to peak 2591 Comment
  UC1136198  Pterostegia drymarioides A. D. Gifford 1935-3-17 491 Los Angeles 2 1/2 mi. s.w. Red Mt.; Tejon Quad. Comment
  RSA453107  Pterostegia drymarioides E. Crow 1928-4-11 247 Los Angeles hills south of Pomona Comment
  SDSU9683  Pterostegia drymarioides Gerald Collier 1951-5-5 Los Angeles Santa Anita Canyon, San Gabriel Mtns. Chantry Flats Trail about 1/2 way from canyon floor. Comment
  RSA679875  Purshia tridentata var. glandulosa LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 857 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway. 1143 Comment
  RSA715750  Quercus X alvordiana Scott D. White, Andrea Warniment 2006-7-7 11626 Los Angeles Gorman area, west of the I-5 Freeway at SR-138 interchange. SE Tehachapi Mts. 1006 Comment
  UCR70784  Quercus X grandidentata George B. Grant 1904-6-14 1931 Los Angeles Monrovia Comment
  UCSB55325  Quercus X grandidentata Thorne, Robert; Thorne, M. 1980-3-23 Los Angeles Foothills of San Gabriel Mts.; Johnson's Pasture, above Claremont 609 Comment
  LA81887  Quercus X macdonaldii Robert F. Thorne; P. C. Everett 1964-2-6 33430 Los Angeles Santa Catalina Island, N central part of Santa Catalina Island, perhaps 1 mi SW of Empire Landing 243 Comment
  RSA167844  Quercus X macdonaldii Robert F. Thorne, P. C. Everett 1964-2-7 33480 Los Angeles Middle Canyon, Santa Catalina Island 244 Comment
  RSA190913  Quercus X macdonaldii Robert F. Thorne 1967-5-18 36863 Los Angeles Santa Catalina Island Middle Bulrush Canyon 244 Comment
  UCD46927  Quercus X macdonaldii Robert F. Thorne; P. Everett 1965-5-12 34639 Los Angeles Wet margins of small stream in Bulrush Canyon, Santa Catalina Island. 243 Comment
  CAS-BOT-BC45673  Quercus agrifolia H. E. Hasse 1891-12-1 s.n. Los Angeles Los Angeles Co. Comment
  CHSC21927  Quercus agrifolia Robert A. Schlising 1970-11-19 2956 Los Angeles Santa Monica Mountains; about 2 miles northeast of Tapia Park. Comment
  RSA0015971  Quercus agrifolia Steve Boyd, Valentin Arvizu, R. E. Riefner 2006-9-21 11691 -A Los Angeles Side drainage of La Tuna Creek just west of La Tuna Canyon Road offramp from 210 Freeway, adjacent to parking area for Santa Monica Mountains Conservancy reserve lands. Comment
  SEINET7067001  Quercus agrifolia J. L. Crane, Payam M. Fallah 2003-7-9 Mar- 80 Los Angeles Along the Angeles Crest highway (Route 2). San Gabriel Mountains. Coordinate datum: NAD27. UTM Zone 11, 431889mE, 3803999mN. Comment
  UCR213408  Quercus agrifolia A. C. Sanders, Dan S. Cooper 2010-3-12 37341 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA652554  Quercus agrifolia var. agrifolia G. F. Orr 1956-3-10 s.n. Los Angeles Sherman Oaks. At junction of Sepulveda Blvd. and Mulholland Dr. 244 Comment
  LA32177  Quercus berberidifolia Henry J. Thompson; 1959-2-23 1852 Los Angeles 243 Comment
  POM273499C  Quercus berberidifolia A. E. Gallup 1947-10-17 65 Los Angeles mouth of Monrovia canyon in wash, San Gabriel Mt. 229 Comment
  RSA0031447  Quercus berberidifolia Orlando Mistretta, Christine Mistretta 2008-5-19 3119 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 103 per TRTP Survey 2008), Upper Fish Canyon, E of Monrovia Pk. 976 Comment
  UC1595249  Quercus berberidifolia Tim Ross and Peter Fritsch 1990-6-20 3642 A Los Angeles near confluence of the E. and W. Forks of the San Gabriel River (mouth of Burro Canyon); San Gabriel Mountains, Burro Canyon 445 Comment
  UCR197225  Quercus berberidifolia Valerie Soza, Ileene Anderson, LeRoy Gross 2000-6-6 987 Los Angeles Verdugo Mountains, southwest side,along Verdugo Mtwy, east of junction with Stough Canyon Mtwy, above Stough Canyon, northeast side of Peak ''2646' 762 Comment
  CAS-BOT-BC62534  Quercus chrysolepis W. R. Dudley; F. H. Lamb 1896-6-8 4364 Los Angeles Kings Canyon, Liebre Mountains Comment
  CATA396  Quercus chrysolepis Mark L. Hoefs, A. Douglas Propst 1974-5-10 465 Los Angeles Santa Catalina Island: Lower Fern Canyon 213 Comment
  RSA188339  Quercus chrysolepis Robert F. Thorne, M. Z. Thorne 1966-5-31 36420 Los Angeles Santa Catalina Island. Ridge running from S end of Mt Orizaba, S side of S fork of Fern Canyon 488 Comment
  SD252340  Quercus chrysolepis Steven A. Junak 1999-5-8 Sca 916 Los Angeles Santa Catalina Island: Fern Canyon, cottonwood watershed, just upstream from fenceline, elevated floodplain. Comment
  SEINET3127568  Quercus douglasii G. B. Grant 1904-6-14 1091 Los Angeles Monrovia Comment
  UCR58160  Quercus dumosa Bill Wagner 1989-8-7 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Northern Santa Monica Mtns, c. 0.5 mi. south of Hwy 101 on E and W sides of Kanan Road, NE of Ladyface Comment
  RSA573419  Quercus durata var. gabrielensis Louis C. Wheeler 1931-11-8 228 Los Angeles Mouth Liveoak canyon 404 Comment
  RSA653743  Quercus durata var. gabrielensis Valerie L. Soza, LeRoy Gross, Adelina Munoz 2000-5-12 893 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
  UC1870291  Quercus durata var. gabrielensis LeRoy Gross 2000-10-28 300 Los Angeles Los Angeles Basin region; Verdugo Mtns.; Verdugo Mountains: Brand lateral trail behind the Brand Park Library, ridge west of Idlewood Canyon, where Grandview Ave. and Mountain St. meet in city of Glendale. Following the fire break up to main crest (to Beaudry fire road) Elev. 1000 feet. 304 Comment
  UC629768  Quercus durata var. gabrielensis Annetta Carter 1940-1-11 1489 b Los Angeles ridge ne head of Baldwin Avenue; San Gabriel Mountains, Sierra Madre 335 Comment
  UCR255470  Quercus durata var. gabrielensis Dan S. Cooper 2014-5-30 514- 06 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, Old Zoo picnic area 158 Comment
  OBI2782  Quercus engelmannii L. Enari 1969-7-24 s.n. Los Angeles Arcadia, Talac Knoll, Los Angeles State & County arboretum Comment
  SBBG44663  Quercus engelmannii W. B. Holt 1941-10-31 Los Angeles Monrovia Comment
  UC1135587  Quercus engelmannii A. E. Wieslander 1936-8-29 685 Los Angeles Santa Anita Pasadena Quad. 182 Comment
  UCR18978  Quercus engelmannii John C. Roos 1946-10-12 3131 Los Angeles Base of San Gabriel Mtns., Foothill Boulevard, west of Monrovia Comment
  RSA597248  Quercus ilex B. Pitzer, P. Gomez 1996-4-28 2747 Los Angeles Los Angeles Basin Harbor City / City of Wilmington, Harbor Regional Park, at intersection of Pacific Coast Hwy (Calif. Hwy 1) with Vermont Avenue. Comment
  UCSB1134  Quercus john-tuckeri Ralph, F. 1959-7-18 Los Angeles U.S. 99, 6.9 miles S of its jct. with Calif. 138 762 Comment
  RSA191625  Quercus kelloggii Robert F. Thorne 1966-8-29 36610 Los Angeles San Gabriel Mts, Angeles National Forest: Big Pines Recreation Area, dry slope above E end of Jackson Lake, on road from Big Pines to Valyermo. 1890 Comment
  POM370196  Quercus lobata Lyman Benson 1946-10-16 12213 Los Angeles Between the first 2 summits north of Castaic. 762 Comment
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Jun 25 2014
  UCD170538  Quercus palmeri D. O. Burge 2017-5-5 2269 Los Angeles Bard Lake area. 375 Comment
  CAS-BOT-BC250925  Quercus tomentella P. S. Manos 1988-10-28 703 Los Angeles San Clemente Island, Twin Canyons 213 Comment
  RSA251380  Quercus tomentella Robert F. Thorne 1966-4-16 36074 Los Angeles San Clemente Island, canyon below Lemon Tank, near dump, south of Nanny, northeast of island 183 Comment
  UC1348868  Quercus tomentella Robert F. Thorne 1966-4-30 36332 Los Angeles w fork of Gallagher's Canyon Santa Catalina Island, Gallagher's Canyon 60 Comment
  RSA476765  Quercus wislizeni Geo. L. Moxley 1902-6-10 s.n. Los Angeles Mt. Wilson, Southern California. 1524 Comment
  UC1135836  Quercus wislizeni A. Lewis Feb 1934 267 Los Angeles Kings Canyon Elizabeth Lake Quad. 975 Comment
  CLARK-A1528-2910  Quercus wislizeni var. frutescens John C. Roos 1941-10-4 865 Los Angeles San Gabriel Mountains Comment
  RSA779259  Rafinesquia californica Pam De Vries 2011-5-4 7762 Los Angeles Western Transverse Range, southwest portion of the Liebre Mountains; about 1 air mile WNW of the intersection of Avenida Rancho Tesoro and Tesoro del Valley Dr. (Santa Clarita) 502 Comment
  HSC6085  Rafinesquia neomexicana C. S. Apperson 1967-6-11 Los Angeles 4 mi. up Haskell Cyn. Rd. off of Bouquet Cyn. Rd. Comment
  UCR78118  Ranunculus californicus Wandalee Thompson 1964-1 38 Los Angeles Transverse Range; Liebre Mtns., White Oaks Ranch, Tweedy Lake, north of Elizabeth Lake/Pine Canyon Rd./N-2 1204 Comment
  RSA399391  Ranunculus californicus Anstruther Davidson 1890-03 s.n. Los Angeles Los Angeles - Foothills. Comment
  CAS-BOT-BC378879  Ranunculus californicus var. californicus Wesley O. Griesel 1962-3-17 s.n. Los Angeles Tapia Park, Santa Monica Mts. 152 Comment
  CHSC109714  Ranunculus hebecarpus Valerie Soza; Michael Denslow 2003-4-30 1648 Los Angeles Transverse Ranges, San Gabriel Mountains region: San Fransisquiteo Canyon. Slopes southwest of the Fire Station. 488 Comment
  UC537067  Ranunculus hebecarpus Philip A. Munz 1934-4-2 13143 Los Angeles Puddingstone Canyon San Dimas 304 Comment
  SD69486  Ranunculus hebecarpus Robert F. Thorne 1966-4-7 35959 Los Angeles Santa Catalina Island; bottom canyon, Cherry Valley 60 Comment
  OBI14972  Raphanus sativus Bill Arbaugh 1966-3-30 38 Los Angeles Pierce College Native Arboritum 244 Comment
  UCR274077  Raphanus sativus Steven A. Junak 2000-5-18 SCa- 1301 Los Angeles Channel Islands, Santa Catalina Island, north side of North Shore Road, 0.6 mile easy of turn-off for Howland's Landing Comment
  RSA657375  Rhamnus californica Joseph M. Keefe 2001-1-24 31032 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  SEINET6701974 Image available Rhamnus californica Ira W. Clokey 1929-4-1 4442 Los Angeles Western Transverse Range; Santa Monica Mtns.; Mandeville Canyon 200 Comment
  UCR124391  Rhamnus californica I. W. Clokey, B. C. Templeton 1929-1 4586 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  UCR223579  Rhamnus californica R. G. Swinney 2009-6-17 11224 Los Angeles Transverse Range; San Gabriel Mtns., Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  POM122420  Rhamnus californica subsp. californica Marcus E. Jones 1926-5-21 s.n. Los Angeles Mountains near Claremont Comment
  UC167093  Rhamnus crocea Geo. B. Grant 1906-4-10 1114 a Los Angeles Pasadena Comment
  SEINET13946311 Image available Rhamnus crocea C. F. Baker 1903-1 3653 Los Angeles San Antonio Canyon near Claremont Comment
  CAS-BOT-BC55990  Rhamnus ilicifolia I. Johnston 1917-2-10 s.n. Los Angeles Hills south of Pomona 365 Comment
  RSA390835  Rhamnus ilicifolia M. B. Dunkle 1933-6-17 3608 Los Angeles San Antonio River Canyon 915 Comment
  UC1121871  Rhamnus ilicifolia P. L. Johannsen 1934-1-18 233 Los Angeles 1 mi nw lower dam Malibu Creek; Calabasas Quad. 365 Comment
  UC1871268  Rhamnus ilicifolia T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3856 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon; Elevation 4390-5150 feet. T8N R17W SE 1/4 SW 1/4 sect 35; and T7N R17W NE 1/4 NW 1/4 sect 2. Comment
  UC80243  Rhamnus ilicifolia Minnie Reed Los Angeles near Pasadena Comment
  CAS-BOT-BC59776  Rhamnus pirifolia Carl B. Wolf 1932-5-10 3531 Los Angeles Santa Catalina Island. 100 yds. se. of summit of the Equestrian Trail, back of Avalon. 304 Comment
  SBBG129208  Rhamnus pirifolia A. Eastwood 1917-7-20 6469 Los Angeles Santa Catalina Island Comment
  UC870835  Rhamnus pirifolia L. W. Nuttall 331 Los Angeles Santa Catalina Island Comment
  POM305750  Rhamnus tomentella subsp. cuspidata Henry J. Ramsey, Henry J. Ramsey 1937-6-27 943 Los Angeles Pine Canyon, north of Pacoima Reservoir, Angeles National Forest. Comment
  CAS-BOT-BC170442  Rhus integrifolia I. Johnston 1917-3-10 s.n. Los Angeles Cucamonga Wash, east of Upland 487 Comment
  CAS-BOT-BC170458  Rhus integrifolia Alice Eastwood 1906-5-27 7 Los Angeles Garvanza Comment
  LA33971  Rhus integrifolia Peter H. Raven; 1959-3-1 13814 Los Angeles SANTA MONICA MOUNTAINS, Vermont Canyon, Griffith Park 243 Comment
  POM219988  Rhus integrifolia F. R. Fosberg 1932-5-7 8160 Los Angeles Santa Catalina Island. Grand Canyon below Upper Falls. 130 Comment
  RSA3683  Rhus integrifolia C. B. Wolf 1932-5-10 3532 Los Angeles Santa Catalina Island, 100 yards SE of summit of Equestrian Trail, back of Avalon 305 Comment
  RSA643663  Rhus integrifolia C. B. Wolf 1927-12-31 1465 Los Angeles Hills at West side of town of Eagle Rock. Comment
  RSA710278  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. 2 Comment
  UC1211028  Rhus integrifolia Huron H. Smith 1912-6-12 5090 Los Angeles Cherry Canyon; Santa Catalina Islands 137 Comment
  RSA746551  Rhus lancea A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37005 Los Angeles San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 92 Comment
  CAS-BOT-BC167950  Rhus ovata Alice Eastwood 1919-6-20 9052 Los Angeles Mt. Wilson Comment
  LA62856  Rhus ovata F. R. Fosberg; 1932-5-7 8160 Los Angeles Santa Catalina Island, Grand Canyon, below upper falls 130.0 Comment
  POM86952  Rhus ovata Marcus E. Jones 1902-6-28 s.n. Los Angeles Mts. near Pasadena Comment
  RSA760607  Rhus ovata R. G. Swinney 2008-11-30 9894 Los Angeles Azusa, San Gabriel River Canyon, 1.6 mi. north of Foothill Blvd. at El Encanto Dr., at confluence with Fish Canyon 210 Comment
  RSA0022253  Rhus trilobata Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5116 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  UCSB2580  Ribes amarum Beach, Kay 1943-3-10 Los Angeles San Dimas Exp. Forest; SW branch canyon of Monroe Comment
  RSA476425  Ribes aureum var. gracillimum Fay A. MacFadden 1931-3-17 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  RSA580951  Ribes aureum var. gracillimum Catherine A. Mish 1995-2-17 4 Los Angeles Santa Monica Mtns, Hollywood Reservoir. 250 Comment
  RSA717409  Ribes aureum var. gracillimum Gary Kovnat, LeRoy Gross 2003-2-16 16 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. 683 Comment
  UCR216757  Ribes aureum var. gracillimum R. G. Swinney 2009-2-20 10009 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  CAS-BOT-BC92445  Ribes aureum var. gracillimum Clarence R. Quick 1940-3-20 s.n. Los Angeles Aracadia. Comment
  CAS-BOT-BC173100  Ribes indecorum Frederick V. Coville 1925-4-18 172 Los Angeles San Antonio Canyon, San Gabriel Mountains 609 Comment
  SFV1615  Ribes indecorum M. L. Vincent 1962-2-28 120 Los Angeles Santa Monica Mountains Old Topanga Canyon Road, 0.5 miles west of New Topanga Road. Meadow 0.25 miles south of road. 260 Comment
  CAS-BOT-BC173415  Ribes malvaceum Louis C. Wheeler 1932-3-19 524 Los Angeles Head of Sepulveda Canyon, Santa Monica Mts. 426 Comment
  LA205480  Ribes malvaceum O. A. Plunkett; 1926-3-6 sn Los Angeles San Gabriel Mountains, Santa Anita Canyon Comment
  UC1127329  Ribes malvaceum A. D. Gifford 1934-4-23 151 Los Angeles 2 mi ne Castro Peak; Triunfo Pass Quadrangle Comment
  SD143855  Ribes malvaceum var. malvaceum Scott D. White, Pam de Vries 1997-11-25 6036 A Los Angeles San Gabriel River Canyon; north of Azusa, below Morris Dam; just southeast of private orchard. 249 Comment
  RSA84502  Ribes malvaceum var. viridifolium F. W. Peirson 1919-5-18 71 Los Angeles Ridge between Monrovia and Fish Canyons 1067 Comment
  LA205493  Ribes roezlii Carl Epling; Nesta Dunn, Alice Goen 1931-5-16 sn Los Angeles San Gabriel Mountains, Big Pines Camp Comment
  UC1018200  Ribes speciosum J. Warren 1952-3-2 Los Angeles Savage Canyon Comment
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Aug 6 2015
  UCR4092  Ribes speciosum Carole Sims 1965-4-10 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., 5.3 mi from intersection of Mulholland Drive and Old Topanga Canyon Rd., up Old Topanga Canyon Rd 305 Comment
  SEINET12220397  Ribes speciosum J. F. Bright, Wyman, C. 1933-1 8154 Los Angeles near Hollywood Comment
  CAS-BOT-BC207167  Ricinus communis Timothy S. Ross; J. Mark Porter; Gery Allan; Vanessa Ashworth; Darin Banks; Megan Tommerup 1994-3-28 7443 Los Angeles Rancho Palos Verdes, narrow, eroded canyon through southerly coastal bluffs, ca 2750 m SE of Inspiration Point and 2680 m WNW of Whites Point, San Pedro 7.5' USGS, Palos Verdes Peninsula 7 Comment
  UCR270991  Ricinus communis R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14335 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
  SEINET5628255 Image available Ricinus communis CWF 1915-1 2558 Los Angeles Monrvia Cal Comment
  LA46157  Romneya coulteri W. R. Ernst; 1947-1 sn Los Angeles Arroyo Seco Parkway, S Boundary of South Pasadena Comment
  UCR210545  Rorippa nasturtium-aquaticum R. G. Swinney 2008-12-4 9937 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1 mi. north of Foothill Blvd. 201 Comment
  CAS-BOT-BC147485  Rosa californica Le Roy Abrams 1911-4-11 1481 Los Angeles Santa Monica Mts., Santa Monica [Canon] Canyon Comment
  UCR126618  Rosa californica A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27139 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  POM366431  Rubus ursinus Anstruther Davidson 1890-05 s.n. Los Angeles Los Angeles. Comment
  CAS-BOT-BC421765  Rumex conglomeratus Steven A. Junak 1996-5-18 SCI- 488 a Los Angeles California Islands. San Clemente Island: E side of island, at mouth of canyon at Mosquito Cove. 6 Comment
  HSC79768  Rumex conglomeratus James Henrickson 1973-6-23 10928 Los Angeles Santa Monica Mtns., Topanga Canyon, 0.75 mi. N of Topanga P.O. along old Topanga Canyon Rd. 244 Comment
  UCR219413  Rumex crispus R. G. Swinney 2009-3-26 10167 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River at El Encanto Azusa River Wilderness Park 296 Comment
  RSA597252  Rumex crispus B. Pitzer, P. Gomez 1996-4-28 2748 Los Angeles Los Angeles Basin Harbor City / City of Wilmington, Harbor Regional Park, at intersection of Pacific Coast Hwy (Calif. Hwy 1) with Vermont Avenue. Comment
  CAS-BOT-BC454103  Ruppia cirrhosa S. B. Parish; W. F. Parish 1882-10-1 1606 Los Angeles Centinella [Centinela] Rancho Comment
  RSA401564B  Salazaria mexicana Leota Brice 1930-5-22 s.n. Los Angeles Palmdale. Comment
  RSA0078305  Salix argophylla Raymond J. Dobbs 1924-4-3 3017 Los Angeles Griffith Park. Comment
  CAS-BOT-BC103170  Salix bonplandiana Mrs. H. P. Bracelin; F. R. Fosberg 1931-10-11 568 Los Angeles Lower Topanga Canyon, Santa Monica Mountains 15 Comment
  UCR150662  Salix exigua James Henrickson 1985-3-30 19795 Los Angeles Western Transverse Range, Santa Susana Mtns, c. 2 mi N of Newhall, South Fork of the Santa Clara River near crossing of Saugus Road 306 Comment
  UCR212825  Salix gooddingii Ellen Mackey, Blake Whittington 2006-10-4 NFWF- 1780 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River watershed, San Dimas Canyon Creek just downstream from dam 404 Comment
  OBI35693  Salix laevigata Rebecca Cicoria 1982-4-26 61 Los Angeles Palos Verdes Peninsula: George F. Canyon, Rolling Hills Comment
  LA208841  Salix lasiandra Carl Hedin; Joseph Ewan 1933-3-25 7675 Los Angeles area 6 Comment
  CAS-BOT-BC128132  Salix lasiandra var. lasiandra Carl W. Sharsmith 1932-1-17 12 Los Angeles At bottom of Lower San Gabriel Canyon, about 11 km. above Azusa 300 Comment
  LA208804  Salix lasiolepis Carl Hedin; Joseph Ewan 1932-5-19 7664 Los Angeles Ballona Creek at Ballona Marshes [Area 4] Comment
  POM362730  Salix lasiolepis H. L. Bauer 1931-3-1 s.n. Los Angeles Tunas Canyon near Topanga Canyon. Comment
  RSA776519  Salix lasiolepis Jane Tirrell 2011-5-26 LS- 9 a Los Angeles Along north side of Highway 2 near mile marker 67.7. 2284 Comment
  UCR194059  Salix lasiolepis R. G. Swinney 1999-5-22 7204 Los Angeles San Gabriel Mtns./Mojave Desert, Le Montaine Canyon, c. 0.5 mi. south of Camp Jubilee Rd. 1701 Comment
  UCR216743  Salix lasiolepis R. G. Swinney 2009-2-20 10013 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  CAS-BOT-BC128519  Salix lasiolepis var. lasiolepis Carl W. Sharsmith 1932-1-17 10 Los Angeles At bottom of Lower San Gabriel Canyon, about 9.5 km. above Azusa 300 Comment
  SFV21133  Salix lucida subsp. lasiandra J. M. Keefe 2001-2-7 31046 Los Angeles San Rafael Hills Los Angeles, Eagle Rock. Along freeway onramp on north-facing slope, 3 m north of Ventura Freeway (Highway 134), 5 meters east of Figueroa St., southwest of Eagle Rock Park. 280 Comment
  UCR178788  Salix lucida subsp. lasiandra R. G. Swinney 1989-8-23 s.n. Los Angeles San Gabriel Mtns., Glendora, Little Dalton Debris Basin 366 Comment
  CAS-BOT-BC126286  Salix sessilifolia LeRoy Abrams 1903-4-13 3255 Los Angeles Old bed of Los Angeles River, Forence Comment
  RSA422344  Salpichroa origanifolia G. R. Johnstone 1933-8-4 17956 Los Angeles Dr. Johnstone's hen house. Comment
  CAS-BOT-BC176843  Salsola australis Timothy S. Ross; Steve Boyd 1994-9-20 8223 Los Angeles Upper Bee Canyon: drainage on SE side of Antelope Valley Freeway (Hwy 14), 1.1 road miles SW of Agua Dulce Road 740 Comment
  RSA662328  Salsola tragus Daniel Curran 1981-2-25 24 Los Angeles San Dimas Canyon Rd. 0.3 miles S of San Dimas Dam. Comment
  UCR216745  Salsola tragus R. G. Swinney 2009-2-20 10014 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
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Dec 24 2010
  RSA561605  Saltugilia grinnellii subsp. grinnellii Steve Boyd, Orlando Mistretta 1993-5-18 8155 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tuhunga Ranger District of the Angeles National Forest. Upper Sombrero Canyon, just below western end of Sombrero Road (3N64). 792 Comment
  RSA97665  Saltugilia splendens subsp. grantii R. M. Straw 1954-6-16 616 Los Angeles Just west of Cloudburst Summit on Angeles Crest Hwy. 2134 Comment
  RSA144761  Salvia apiana Alice Ann Webb, Richard W. Heald 1961-3-17 787 Los Angeles Webb Canyon, above the playing field of Webb School, Claremont. Mt. Range-San Gabriel. 457 Comment
  RSA294795  Salvia apiana Lyman Benson 1946-5-13 12088 Los Angeles Midway between Pomona and Brea. Pacific Slope Drainage Area, Puente Hills. 274 Comment
  SBBG12651  Salvia apiana E. R. Blakley 1962-10-3 5379 Los Angeles banks around Wrigley Reservoir at the summit of the island rd 426 Comment
  UC284264  Salvia apiana P. A. Munz 1923-5-27 6881 Los Angeles Big Rock Creek; San Gabriel Mtns 1295 Comment
  UC449929  Salvia apiana J. Grinnell 1903-6-27 Los Angeles Arroyo Seco; Pasadena Comment
  UCR107758  Salvia apiana Jeanne Gural, Erin Hewgley 1997-4-18 33 Los Angeles Bernard Field Station of the Claremont Colleges, located on the NW corner of Mills Ave. and Foothill Boulevard. West of main road, south of lake. 412 Comment
  RSA401624B  Salvia apiana William Emboden 1969-5-28 18 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  SD38573  Salvia apiana Florence Post 1931-4-21 1979 Los Angeles Foothill Blvd. near Mt Wilson toll gate. Comment
  UCR141023  Salvia carduacea June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, near the Three Sisters hills, Antelope Valley, NE of Llano 976 Comment
  SFV9390  Salvia columbariae J. Cicero s. n. Los Angeles San Gabriel Mountains Gold Creek Canyon. Side canyon of Little Tujunga Canyon. Watts Ranch. 660 Comment
  UCR220192  Salvia columbariae R. G. Swinney 2009-4-7 10303 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
  UCR51999  Salvia columbariae Steve Boyd, T. S. Elias 1987-4-14 2064 Los Angeles San Gabriel Mtns., ridge between Pine Mtn. and Silver Mtn., south of Rincon - Red Box Road, north of Glendora Comment
  UCR277112  Salvia dorrii R. G. Swinney 2011-4-19 14409 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
  CAS-BOT-BC224945  Salvia dorrii var. pilosa L. C. Wheeler 1933-4-9 573 Los Angeles Fairmont, Mohave [Mojave] Desert 914 Comment
  RSA191571  Salvia dorrii var. pilosa Robert F. Thorne 1966-4-23 36148 Los Angeles San Gabriel Mountains: just N of Valyermo 1067 Comment
  RSA628709  Salvia dorrii var. pilosa R. S. Woglum 1942-5-20 3324 Los Angeles Transverse Ranges: Angeles Crest Highway; San Gabriel Mountains; Angeles National Forest. Comment
  HSC49074  Salvia leucophylla Patricia Shesgreen 1978-6-17 100 Los Angeles Whittier Hills, 0.4 mi. E of Painter Ave., N side of Turnbull Canyon Rd. Comment
  UC520118  Salvia leucophylla Carl Epling 1932-6-10 Los Angeles Topanga Canyon; Santa Monica Mountains Comment
  RSA145140  Salvia mellifera Alice Ann Webb 1961-2-28 775 Los Angeles Padua Hills, side road off parking lot, Claremont. Mountain Range-San Gabriel, Drainage Area-San Gabriel. 427 Comment
  RSA599265  Salvia mellifera Steve Boyd, Lauren Raz 1997-3-31 9440 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 914 Comment
  SD113362  Salvia mellifera Darley F. Howe 1915-6-3 76 Los Angeles Claremont Comment
  UCSB9333  Salvia mellifera Lloyd, Robert 1959-4-2 Los Angeles 1/2 mile south of dam in San Dimas Canyon; Stream bed on west side on San Dimas Canyon Road; San Gabriel Mtn Range 365 Comment
  RSA0034493  Salvia mellifera Vincent Arellano 1980-6-2 34 Los Angeles 2.5 miles south of Placerita at marker 480. west side of road. 640 Comment
  RSA477520  Sambucus caerulea B. C. Templeton 1932-7-21 5024 Los Angeles Big Pines Park, San Gabriel Mountains. 2092 Comment
  NY42402  Sambucus mexicana J. B. Walker 1994-8-10 886 Los Angeles 4km S of Gormon, next to I-5 200 Comment
  CAS-BOT-BC238713  Sambucus nigra subsp. caerulea Rimo Bacigalupi 1953-5-2 4049 Los Angeles Northern limits of Oak Flat Public Camp, Angeles National Forest, just off U.S. 99 853 Comment
  CAS-BOT-BC238741  Sambucus nigra subsp. caerulea Alice Eastwood 1917-7-20 6471 Los Angeles Santa Catalina Island Comment
  RSA640325  Sambucus nigra subsp. caerulea L. C. Wheeler 1931-8-9 s.n. Los Angeles San Gabriel Mountains: San Antonio Canyon. 1066 Comment
  LA32911  Sanicula arguta Carl Epling; 1926-4-10 5918 Los Angeles Simi Hills - Santa Susana Mountains, Santa Susana Pass Comment
  SD21288  Sanicula arguta Norman E. Bilderback 1938-4-17 Los Angeles Santa Catalina Island, Avalon Comment
  UC1302887  Sanicula arguta Robert F. Thorne and P. C. Everett 1964-2-6 33294 Los Angeles above Fourth of July cove (Santa Catalina Island); Santa Catalina Island 30 Comment
  UCR193427  Sanicula arguta Dan S. Cooper 2008-3-28 s.n. Los Angeles San Gabriel Valley, Summitridge Park, Diamond Bar, north side of Grand Ave., just west of San Bernardino Co. line 356 Comment
  RSA471444  Sanicula bipinnatifida E. Crow 1928-4-11 239 Los Angeles Hills southwest of Pomona. Comment
  CAS-BOT-BC283091  Schedonorus arundinaceus Cecil Hart 1925-6-25 s.n. Los Angeles Montebello Comment
  CAS-BOT-BC218942  Schinus molle Louis C. Wheeler 1932-7-9 948 Los Angeles 1 mi. SW San Dimas 243 Comment
  RSA585818  Schinus polygamus T. S. Ross, Steve D. Boyd 1989-4-27 s.n. Los Angeles Claremont: RSABG, on the E edge if Indian Hill Mesa amid plantings of native shrubs; clayey soil 405 Comment
  RSA0080438  Schismus arabicus R. G. Swinney 2010-5-19 12787 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  CAS-BOT-BC111514  Schoenoplectus americanus LeRoy Abrams 1902-6-12 2537 Los Angeles Ballona creek, near Mesmer Comment
  CAS-BOT-BC111233  Schoenoplectus californicus J. C. N. 1904-1-1 s.n. Los Angeles Unspecified Comment
  RSA590507  Schoenoplectus pungens Timothy S. Ross, Janet Takara, M. Gay 1993-4-20 6825 Los Angeles Santa Catalina Island: NE side of Little Harbor near the outlet of Little Springs Canyon drainage. 1 Comment
  SEINET3246198  Scirpus microcarpus R. G. Swinney 2008-1 8973 Los Angeles San Gabriel Mtns.: lower Sandrock Creek, 1.2 mi. SSW of Valyermo post office. 1170 Comment
  CAS-BOT-BC238503  Scrophularia villosa C. B. Wolf 1941-6-25 s.n. Los Angeles On Santa Catalina Island, head of Avalon Valley, 300 yds. sw. of Wrigley Mausoleum Comment
  CATA508  Scrophularia villosa Sara L. Crockett 1997-4-2 652 Los Angeles Santa Catalina Island: 2.4 miles W along Empire Landing Road from jct. with Airport Road, 25 m S of road 259 Comment
  UCR271731  Scutellaria tuberosa R. G. Swinney 2011-3-26 14204 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
  RSA0081654  Sedum spathulifolium L. C. Wheeler 1932-7-2 908 Los Angeles San Dimas Canyon - Brown Flat trail 1 mi. from Flat. San Gabriel Mts. 1219 Comment
  RSA591556  Selaginella asprella Louis Cutter Wheeler 1966-10-6 8957 Los Angeles San Gabriel Mountains. South slope Mt. Williamson. 2438 Comment
  RSA739724  Selaginella bigelovii John Dittes 2006-11-2 1425 Los Angeles Western Tranverse Range, N slope of Verdugo Mts, In La Tuna Canyon, 3.4 air miles N of Burbank City Hall, 1.1 air mile E by SE of La Tuna Canyon Flood Debris Basin, 2 air mile S of Verdugo Hills High School, slope S of La Tuna Canyon 488 Comment
  RSA760590  Selaginella bigelovii R. G. Swinney 2009-3-10 10071 Los Angeles Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  UCR252568  Selaginella bigelovii R. G. Swinney 2010-6-21 13258 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
  RSA151122  Selaginella bigelovii Peter H. Raven 1962-4-12 17322 Los Angeles Rocky walls of canyon, with Galvezia, in canyon below the Tomb, San Clemente Island 122 Comment
  JEPS26957  Senecio astephanus Frank W. Peirson 1920-6-10 1432 Los Angeles near Inspiration Point (on Mt. Lowe); San Gabriel Mts., Mt. Lowe 1371 Comment
  RSA472892  Senecio californicus Helen M. Oster 1924-4-27 13769 Los Angeles Foothills n. end of Vermont Ave. Comment
  CAS-BOT-BC333103  Senecio flaccidus var. douglasii David D. Keck 1932-10-14 1952 Los Angeles Tujunga Wash 4 miles east of Van Nuys on Van Owen Street Comment
  UCR125162  Senecio flaccidus var. douglasii A. C. Sanders, Mark Elvin 2002-6-18 25126 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  UCR139925  Senecio flaccidus var. douglasii Scott D. White 1997-5-15 5149 Los Angeles Mojave Desert, Big Tujunga Wash. Sunland-Tujunga area; alluvial fan below San Gabriel Mtns. SW of I-210 Fwy, east of Hansen Dam, and N of Wentworth Street 351 Comment
  SD28082  Senecio lyonii Carl B. Wolf 1932-5-14 1498 Los Angeles Santa Catalina Island, between Avalon and Pebbly Beach 29 Comment
  SD52908  Senecio lyonii Peter H. Raven 1962-5-21 17817 Los Angeles Santa Catalina Island, Middle Ranch 214 Comment
  RSA0009751  Senecio lyonii Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  UCR149812  Senecio mikanioides Scott D. White 2004-4-23 10232 Los Angeles Los Angeles Basin, City of Pasadena. Arroyo Seco at La Loma Road bridge crossing. 213 Comment
  UCR194086  Senecio mikanioides A. C. Sanders, Dan S. Cooper 2008-1-11 34413 Los Angeles Western Transverse Range; Santa Monica Mtns., Franklin Canyon, just above Franklin Canyon Ranch on side of Lake Dr. 157 Comment
  RSA657373  Senecio vulgaris Joseph M. Keefe 2001-1-24 31034 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  RSA658983  Sequoia sempervirens Paul M. Inman 1983-5-8 50883 -12 Los Angeles Big Santa Anita Canyon in the Angeles National forest, San Gabriel mountains, about 1 miles north of Arcadia, Ca. ca. 100 yards below the weir at Hoegee's Camp. Comment
  CAS-BOT-BC243578  Setaria parviflora Dr. Davidson 1894-11-1 s.n. Los Angeles Streets of Los Angeles Comment
  RSA483327  Setaria parviflora Geo. L. Moxley 1915-6-22 351 Los Angeles 40th San Pedro Str., Los Angeles county Comment
  RSA747076  Setaria parviflora R. G. Swinney 2008-5-30 8894 Los Angeles San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  UCR197090  Setaria parviflora LeRoy Gross 2007-5-16 2729 Los Angeles Transverse Range; Verdugo Mountains, southwest side of the range, across the street from 9960 Roscoe Blvd, up into Chandler Canyon 305 Comment
  SBBG98243  Setaria pumila I. M. Johnston 1918-8-4 Los Angeles between Claremont and Pomona Comment
  RSA655935  Silene gallica James Henrickson 2000-4-15 20680 Los Angeles Ca. 1 mi SE of Newhall in Whitney Canyon SE of junction of San Fernando Road and State Highway 14; ca. 1/2 mile E of Hwy 14. 488 Comment
  RSA477860  Silene gallica M. Bisbee 1917-5-12 s.n. Los Angeles Garden, Eagle Rock Comment
  CAS-BOT-BC174911  Silene laciniata L. R. A. 1901-6-6 1691 Los Angeles Los [Tunas Canon] Tuna Canyon, S. Monica Mts. Comment
  SBBG71641  Silene laciniata subsp. laciniata M. N. Ackley -May-1922 73 Los Angeles Burbank Hills 274 Comment
  UC72592  Silene laciniata subsp. major Pupils of Los Angeles High School May 1903 Los Angeles Laurel Canyon Comment
  POM123150  Silene lemmonii George B. Grant 1906-6-15 s.n. Los Angeles Summit of Mt. Wilson 1829 Comment
  CLARK-A1528-5135  Silene verecunda subsp. platyota John C. Roos 1937-5-31 760 Los Angeles San Gabriel Mountains Comment
  POM17798  Silene verecunda subsp. platyota P. A. Munz 1923-8-31 7683 Los Angeles Blue Ridge, Swartout [Swarthout] Valley 2575 Comment
  RSA188708  Silybum marianum R. F. Thorne, Percy C. Everett 1965-6-24 35047 Los Angeles Santa Catalina Island, above pond impounded behind dam in lower Cottonwood Canyon Comment
  POM477  Sisymbrium altissimum C. L. Hitchcock 1918-7-5 16 Los Angeles Van Nuys. Comment
  RSA65826  Sisymbrium irio F. W. Peirson 1923-3-23 3355 Los Angeles Claremont. 365 Comment
  UCSB2438  Sisymbrium officinale Kamb, Peter 1947-5-25 Los Angeles Millard's Canyon near Sunset Ridge guard station, San Gabriel Mts. 670 Comment
  RSA639976  Sisymbrium orientale L. C. Wheeler 1967-5-29 9772 Los Angeles Cow Canyon Saddle, [covered former dump]. 1377 Comment
  UCR155667  Sisymbrium orientale A. C. Sanders, Helen Kennedy 2005-4-13 29456 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  CDA3846  Sisymbrium orientale L. C. Wheeler 1973-5-12 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region; San Gabriel Mountains: Gould Mesa Picnic Ground. Comment
  UC205493  Sisyrinchium bellum S. B. Parish 1919-4-19 19268 Los Angeles near San Dimas; Lone Hill Comment
  POM4250  Solanum americanum I. M. Johnston 1918-7-29 2102 Los Angeles El Monte. Along Railroad. 91 Comment
  CATA1771  Solanum douglasii Benjamin E. Carter, John Clark & Amy Catalano 2012-8-2 6911 Los Angeles Santa Catalina Island: Wild Boar Gully 116 Comment
  CHSC34430  Solanum douglasii Ken Cole 1972-5-28 ML- 12 Los Angeles North of Malibu and Hwy. 1 in Malibu Cyn. in Santa Monica Mtns. 152 Comment
  LA51377  Solanum douglasii Henry J. Thompson; 1958-10-23 1823 Los Angeles SANTA MONICA MOUNTAINS, Point Dume, on top of coastal bluff. 30 Comment
  RSA60835  Solanum douglasii Frank W. Gould 1944-4-16 2298 Los Angeles In ravine at base of grassy slope; near corner of Skyline and Aedsheal drives, Whittier Hills. Comment
  SBBG105388  Solanum douglasii R. M. Beauchamp 1976-5-22 4120 Los Angeles N side of cyn below Lemon Tank 313 Comment
  UCR125944  Solanum douglasii A. C. Sanders, Mark Elvin 2002-6-19 25143 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
  UCR220237  Solanum douglasii R. G. Swinney 2009-4-13 10334 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
  UCR281634  Solanum douglasii R. G. Swinney 2014-5-19 16551 Los Angeles San Gabriel Mountains, Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Motorway 515 Comment
  UCR92662  Solanum douglasii Scott D. White 1996-3-18 3838 Los Angeles Marina del Rey area, Ballona Creek, floodplain and adjacent N-facing slope, west of Lincoln Blvd. and south of Jefferson Blvd. 30 Comment
  RSA422427  Solanum douglasii Tom Burch 1940-3-2 4019 -3 Los Angeles Playa Del Ray. 0 Comment
  RSA483716  Solanum douglasii Richard Noyes, L. Arnseth 1988-4-30 509 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Dry drainage bed 100 meters east of Thompson Creek Dam. 500 Comment
  RSA522969  Solanum douglasii Tim S. Ross 1991-2-23 4090 Los Angeles Whittier Hills (Puente Hills): Upper Turnbull Canyon on slope dropping WNW from Turnbull Canyon Road x Skyline Drive. 292 Comment
  RSA608341  Solanum douglasii Louis C. Wheeler 1930-3-8 12 Los Angeles Santa Monica Mountains: Mandeville Canyon. Comment
  SBBG55464  Solanum douglasii D. Wheat 1967-5-9 39 Los Angeles Little Dalton Cyn, NE of Glendora, 3 mi N of US 66 243 Comment
  SD69035  Solanum elaeagnifolium Robert F. Thorne 1966-9-15 36693 Los Angeles Santa Catalina Island: at riding stables, Avalon 14 Comment
  RSA79913  Solanum physalifolium var. nitidibaccatum Louis C. Wheeler 1932-8-11 1130 Los Angeles 2 mi. NE La Verne. Damp sunny clay soil. 381 Comment
  SEINET7273436 Image available Solanum pseudocapsicum R. F. Thorne October 1963 33276 Los Angeles Rancho Santa Ana Botanic Garden, Claremont Comment
  CAS-BOT-BC156780  Solanum umbelliferum A. Eastwood 1928-6-15 15390 Los Angeles Claremont Comment
  RSA427424  Solanum umbelliferum Robin S. Collins 1973-4-9 239 Los Angeles San Gabriel Mountains, Angeles National Forest, Trail Canyon, near trail ca. 1/2 mile from its start. 609 Comment
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Aug 7 2013
  RSA651324  Solanum umbelliferum Phil Drooks 1981-4-26 12 Los Angeles Hwy 39, N of West Fork about 3 mi. Comment
  RSA680201  Solanum umbelliferum Valerie L. Soza, Sarah J. De Groot 2003-6-11 1656 Los Angeles San Gabriel Mountains: Praire Fork, southeast of Cabin Flat. 1799 Comment
  RSA427449  Solanum umbelliferum Fordyce Griffiths Jr. 1911-06 3367 Los Angeles Mt. Wilson 1768 Comment
  RSA0030770  Solanum villosum Louis C. Wheeler 1932-8-11 1130 Los Angeles 2 mi. NE La Verne. Damp sunny clay soil. 381 Comment
  RSA800512  Solidago velutina subsp. californica Jane Tirrell 2012-8-20 LS 0156 Los Angeles Approx. 100 meters south of California State Route 2 near Big Rock Creek drainage about 1.5 miles west of Dawson Saddle. 2346 Comment
  UC1215136  Sonchus oleraceus Peter H. Raven 1962-4-9 17139 Los Angeles near barracks (Wilson Cove, San Clemente Island); San Clemente Island, Wilson cove 60 Comment
  RSA0097892  Spergularia bocconi R. L. Armacost 1963-5-23 1660 Los Angeles Santa Monica. Parkway-Corner 25th & Montana. Comment
  RSA0097916  Spergularia bocconi M. B. Dunkle 1928-4-9 1811 Los Angeles Santa Catalina Island. Back beach flat, Emerald Bay. 5 Comment
  SBBG107233  Spergularia macrotheca var. macrotheca J. Rebman, J. Dunn 1996-4-29 3109 Los Angeles between Eel Cove and Eel Cove Cyn 3 Comment
  UCD99269  Spergularia marina Louis C. Wheeler 1967-6-26 9903 Los Angeles San Gabriel Mountains, Placerita Canyon. 609 Comment
  RSA0098112  Spergularia rubra Orlando Mistretta, Christine Mistretta 2010-5-20 5165 Los Angeles San Gabriel Mountains region: Aliso Creek, slopes W of Angeles Forest Hwy., 0.6 miles S of jct. with Aliso Cyn. Rd. 1280 Comment
  UCD99294  Spergularia rubra Daryl Koutnik 1978-4-21 407 Los Angeles Glendale at east end of Glenoaks Avenue, near Scholl Canyon Park. 304 Comment
  UCR281834  Spergularia villosa Mitch Provance, Scott Duff 2017-6-29 617- 77 Los Angeles Catalina Island, Middle Canyon, SCE corridor along Middle Ranch Rd., N of Thompson Dam at McGee Lake. 180 Comment
  RSA128052  Sporobolus indicus var. indicus H. J. Thompson, Peter H. Raven 1958-9-28 13729 Los Angeles Lawn weed, near Ohio Street on Westwood Blvd 69 Comment
  SEINET13948160 Image available Stachys Joseph Andorfer Ewan 1993-1 10924 Los Angeles Higgins Canyon, Santa Monica Mts. Comment
  SEINET6072157  Stachys ajugoides Unknown 1946-4-21 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  RSA713939  Stachys albens Scott D. White, Andrea Warniment 2006-7-18 11630 Los Angeles SE Tehachapi Mtns: Gorman area, riparian zone along Gorman Creek, NE of the I-5 Freeway. 1006 Comment
  UCR206122  Stachys albens R. G. Swinney 2008-6-2 8916 Los Angeles San Gabriel Mtns., San Gabriel Canyon, 0.4 mi. above (east) of El Encanto park office, on shoulder of the old road 268 Comment
  UCSB29309  Stachys albens Hook, J. 1972-5-27 Los Angeles Bouquet Canyon Rd; 14.6 m. east of junction with Sand Canyon Rd; Angeles National Forest 518 Comment
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May 11 2016
  RSA0080424  Stachys albens R. G. Swinney 2011-6-29 15340 Los Angeles Mill Creek, upstream of Monte Cristo Campground, between campground and the confluence with Monte Cristo Creek. 1098 Comment
  SD12589  Stachys bullata Edith A. Purer 1935-5-11 6547 Los Angeles Hillside, Malibou Road. Comment
  SEINET9297262  Stachys bullata Unknown 2009-4-16 10350 Los Angeles San Gabriel Mountains Comment
  RSA670394  Stanleya pinnata B. C. Templeton 1931-5-17 1209 Los Angeles South of Lancaster. Mojave Desert. Comment
  SBBG17798  Stebbinsoseris heterocarpa P. H. Raven 1962-4-9 17144 Los Angeles near barracks, Wilson Cove 91 Comment
  LA32112  Stebbinsoseris heterocarpa Henry J. Thompson; 1959-4-4 Los Angeles Santa Monica Mountains, Point Dume, Zuma Beach 27 Comment
  RSA0091874  Stebbinsoseris heterocarpa Steven A. Junak, Ralph N. Philbrick 2001-5-17 SCa- 1528 Los Angeles Santa Catalina Island: E of Little Harbor, near Sheep Chute Ridge Road, ca. 0.5 mile from intersection with Little Harbor Road. 121 Comment
  UCR50074  Stellaria media Steve Morgan 1974-4-26 73 Los Angeles City of Studio City, Viewcrest Road. 313 Comment
  RSA527600  Stellaria media Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-8 4427 Los Angeles San Clemente Island. E side of island, Bryce Canyon near Malo Point. Comment
  CAS-BOT-BC397710  Stellaria nitens Tim Ross; Steve Boyd 1993-5-23 7228 Los Angeles Lower, easterly ridge of Red Mtn, on northerly slope ca 380 m SE of the saddle between Ruby and Clearwater Canyons 966 Comment
  RSA512033  Stellaria nitens L. C. Wheeler 1967-5-18 9634 Los Angeles Placerita Canyon. 518 Comment
  POM363644  Stephanomeria blairii House, Grumbles 1930-8-5 16808 Los Angeles San Cle