Search Results — 2000 specimen records retrieved (1585 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
  SFV21899  Abies concolor J. N. Hogue 2011-5-12 s. n. Los Angeles San Gabriel Mountains Highway 2 at east entrance to Buckhorn Campground. 2000 Comment
  UCR181126  Abies concolor R. G. Swinney 1997-4-25 5499 Los Angeles San Gabriel Mtns., at peak of Iron Mountain, 4-5 air miles NW of Mt. Baldy village 2441 Comment
  RSA534113  Abronia maritima Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5097 Los Angeles San Clemente Island: North Head; WNW of the new landing field. 15 Comment
  RSA114366  Abronia pogonantha Percy C. Everett, E. K. Balls 1956-5-9 21568 Los Angeles 6 mi S of Lancaster along Hwy 6 762 Comment
  CDA3991  Acacia cyclops T. S. Ross, J. M. Porter, Gary Allan, Vanessa E. T. M. Ashworth, D. L. Banks, M. Tommerup 1994-3-28 7425 Los Angeles Palos Verde Peninsula: Rancho Palos Verdes; un-named horseshoe-shaped canyon to the northeast of upper Forrestal Drive. Comment
  LA201859  Acacia longifolia Arthur C. Gibson; 2003-9-4 4966 Los Angeles Santa Monica Mountains, Santa Ynez Canyon Comment
  CAS-BOT-BC219675  Acanthomintha obovata subsp. cordata Steven M. Kaune 1962-6-13 385 Los Angeles About 15-20 miles south of Tejon Pass on route toward Castaic, off Hwy. 99 just south and above Oso Canyon, sw end of Tehachapi Mountains 914 Comment
  RSA658602  Acer macrophyllum Marianne Marshall 1981-5-29 17 Los Angeles Ca. Hwy 39, 6.5 mi. N of junction w/ Sierra Madre Ave. N of Azusa. Comment
  RSA76985  Acer macrophyllum F. W. Peirson 1923-5-26 3538 Los Angeles Rock Creek, San Gabriel Mountains 1982 Comment
  SD255617  Acer macrophyllum Ian Cain, Natasha Bartely 2010-6-23 1536 Los Angeles Angeles National Forest, San Gabriel Mountains. Along Bear Creek east of Cogswell Dam. 562 Comment
  UC870077  Acer macrophyllum K. Kneen 1933-4-29 Los Angeles Topanga Canyon Comment
  CAS-BOT-BC21678  Achillea millefolium E. R. Blakley 1962-6-10 5219 Los Angeles Wilson Cove. San Clemente Island. 9 Comment
  RSA724982  Achnatherum coronatum K. Dobry 1991-6-27 d- 785 Los Angeles Santa Monica Mts 1 mi E of Las Virgenes Rd along Mulholland Hwy Comment
  UC777919  Achnatherum coronatum Frank W. Gould 1944-6-30 2371 Los Angeles 5.9 mi from Coast Highway (on Los Flores Canyon Road, just e of roadcut) Comment
  RSA776176  Achnatherum speciosum Orlando Mistretta, Christine Mistretta 2010-6-16 5325 Los Angeles Transverse Ranges; San Gabriel Mts region: Upper Big Tujunga canyon; Lynx Gulch drainage 0.86 air miles NE of junction of Lynx Gulch Road with Upper Big Tujunga Canyon Road, along Southern California Edison transmission line corridor. 1175 Comment
  SD75562  Acmispon argophyllus var. argenteus M. B. Dunkle 1939-4-5 7273 Los Angeles San Clemente island, Pyramid Cove, China Point, low flat Comment
  UC864283  Acmispon argophyllus var. argenteus John I. Carlson 1915-6-13 Los Angeles Avalon Santa Catalina Island. Comment
  CHSC95797  Acmispon glaber var. brevialatus LeRoy Gross 2005-5-3 2251 Los Angeles Transverse Ranges; San Gabriel Mountains region: West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.36587N, 117.86280 W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. (Valyermo 7.5 Quad: T4N, 5N R9W, 10W S6, 1, 31, NW1/4 of 6, NE1/4 of 1, SW1/4 of 31.) Alt.: 1085-1215m/3560-3984ft. 1150 Comment
  SD186203  Acmispon glaber var. glaber A. C. Sanders, Mark A. Elvin 2003-6-18 26953 Los Angeles Santa Susan Mountains, Western Transverse Range, northwest of head of Sulphur Canyon. 1036 Comment
  SBBG113117  Acmispon micranthus S. A. Junak with M. L. Hoefs, S. Crockett 1997-3-27 SCa 353 Los Angeles upper part of Cape Cyn drainage, ca. 0.65 mi SW of Black Jack Pk 396 Comment
  SFV1848  Acmispon strigosus H. L. Bauer 1941-3-23 667 Los Angeles El Segundo sand dunes. 30 Comment
  SD64193  Acmispon strigosus Walter Bertsch 1954-5-12 610 Los Angeles Claremont, end of Mills Avenue 456 Comment
  CAS-BOT-BC29204  Acourtia microcephala Carl Epling; Nesta Dunn 1931-5-30 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains Comment
  LA209732  Acourtia microcephala Carl Epling; N. Dunn 1931-5-30 Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA471684  Acourtia microcephala George R. Johnstone 1934-5-20 s.n. Los Angeles Santa Catalina Is. Descanso Canyon. Comment
  RSA713831  Acourtia microcephala A. C. Sanders 2003-7-15 27098 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, Magic Mountain area, 0.9 mi. south of Castaic Junction, west of water tanks'. 335 Comment
  UCR223914  Adenostoma fasciculatum R. G. Swinney 2009-6-24 11279 Los Angeles Transverse Range; San Gabriel Mtns., summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1926 Comment
  POM156521  Adenostoma fasciculatum var. fasciculatum L. R. Abrams 1902-7-3 2649 Los Angeles Little Santa Anita Canyon, San Gabriel Mountains. Comment
  RSA650378  Adenostoma fasciculatum var. fasciculatum Rudolf Schmid 1962-6-2 s.n. Los Angeles Wash south of Campus Avenue, Upland. Comment
Read comments
Oct 1 2015
  CAS-BOT-BC139853  Adenostoma sparsifolium K. Kneen 1933-8-25 s.n. Los Angeles Foot of Saddle Peak, Santa Monica Mts. Comment
  UCR86551  Adenostoma sparsifolium T. S. Ross 1991-9-2 5928 Los Angeles Western Transverse Range; Santa Monica Mtns., near Mulholland Hwy at Yerba Buena Rd 503 Comment
  LA94110  Adiantum capillus-veneris Lawrence L. Kiefer; 1963-6-9 541 Los Angeles SANTA MONICA MOUNTAINS, Encinal Canyon, ca 1.5 mi from mouth. 182 Comment
  POM244933  Adiantum capillus-veneris F. R. Fosberg 1931-4-24 R 94 Los Angeles Santa Catalina Island. Hamilton Canyon near Avalon. 50 Comment
  HSC944  Adiantum capillus-veneris C. S. Apperson 1966-6-14 Los Angeles Stunt Canyon, 0.5 mi. up Stunt Canyon Rd. from Mullholland Dr. Comment
  CATA314  Adiantum jordanii Mark L. Hoefs 1973-6-5 340 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon, in stream bed by main road at bridge 22 Comment
  UCD137240  Adiantum jordanii Kenneth A. Wilson 1961-2-18 846 Los Angeles Calabasas. Santa Monica Mtns. Mulholland Hwy. Comment
  RSA606038  Ageratina adenophora Louis C. Wheeler 1969-12-22 s.n. Los Angeles San Gabriel Mountains: Big Santa Anita Canyon. 609 Comment
  RSA0069834  Agrostis exarata R. G. Swinney 2010-9-9 13777 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1994 Comment
  UCR193148  Agrostis exarata R. G. Swinney 1999-8-14 7625 Los Angeles San Gabriel Mtns., upper Fish Fork San Gabriel River, c. 0.9 air mi. east of Upper Fish Fork Campground, 1.4. air mi. WSW of Dawson Peak 2146 Comment
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May 11 2012
  SEINET3917350  Agrostis semiverticillata James Henrickson 1985-5-11 20249 Los Angeles Ca 12 air miles NW of San Bernardino in lower Lytle Creek Wash about 2-4 miles N of Interstate 15.; 0 732 Comment
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Feb 18 2015
  UCR186755  Agrostis viridis T. B. Salvato, Sandra Murcia 2007-3-28 2016 Los Angeles San Gabriel Mountains, Angeles National Forest, lower Santa Anita Canyon at the upper end of Santa Anita Reservoir 427 Comment
  RSA248876  Alchemilla occidentalis Robert F. Thorne 1973-4-12 42968 Los Angeles San Clemente Island: large canyon S. of Mosquito Cove N. of Chenity. 305 Comment
  UCR104720  Allenrolfea occidentalis David Charlton 1989-4-13 2898 a Los Angeles Western Mojave Desert, Northern edge of Palmdale, corner of 10th Street W & Ave. 'M' at Amargosa Creek 762 Comment
  UCR190891  Allium burlewii R. G. Swinney, Cody Clarke 2001-6-20 7995 Los Angeles San Gabriel Mtns., summit of Mt. Lewis, NW of Dawson Saddle 2560 Comment
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Feb 6 2013
  UCR117223  Allium fimbriatum B. G. Pitzer 1998-5-12 3693 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
  RSA0073266  Allium fimbriatum var. fimbriatum Orlando Mistretta, Christine Mistretta 2005-4-21 2071 Los Angeles Transverse Ranges; San Gabriel Mountains region: Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station. 1341 Comment
  RSA164832  Allium fimbriatum var. fimbriatum Wesley O. Griesel 1963-5-26 788 Los Angeles Between Valyermo and Mile High Ranch 1371 Comment
  SEINET3884729  Allium haematochiton A. C. Sanders, Helen Kennedy 2005-4-13 29472 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 (Mint Canyon 7.5').; 0 457 Comment
  UC1922587  Allium haematochiton Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-26 1182 Los Angeles Transverse Ranges; Verdugo Mountains region; Northwestern edge of Verdugo Mts, north of La Tuna Canyon. Near junction of Green Verdugo Fire Road from 210 Fwy and road to Green Verdugo Reservoir. 457 Comment
  UCR139932  Allium lacunosum var. davisiae L. C. Wheeler 1973-4-21 s.n. Los Angeles San Gabriel Mtns., foothills of mountains, 2 mi NE of Vincent 991 Comment
  CAS-BOT-BC472942  Allium monticola A. Davidson M. D. 1921-5-1 1924 Los Angeles Rocky slope of Mt. Baldwin Comment
  SBBG57513  Allium peninsulare M. N. Ackley -May-1924 626 Los Angeles Fish Cyn 2000 Comment
  UCR209865  Allophyllum R. G. Swinney 2008-7-12 9177 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  LA210334  Allophyllum glutinosum S. B. Parish; May 1926 Los Angeles Pasadena, Arroyo Seco Comment
  UC535351  Allophyllum glutinosum Ira W. Clokey, B. Templeton Apr. 1929 4468 Los Angeles Mandeville Canyon Santa Monica Mts., Mandeville Canyon 425 Comment
  RSA452781  Alnus rhombifolia Freda Detmers 1928-9-30 s.n. Los Angeles San Gabriel Canyon Comment
  SEINET10970466  Alyssum alyssoides E. R. Blakley 1958-5-9 Blakely 2268 Los Angeles Perennial. Fls purple. Few, well drained slopes of granite loam soil, sun. Rolling grasslands. Hills 2 mi. E of gorman, n of st hwy 138. 1097 Comment
  UCR262301  Amaranthus albus R. G. Swinney 2010-6-8 13217 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail 573 Comment
  RSA573476  Amaranthus albus T. S. Ross 1992-6-15 6564 Los Angeles Whitier Hills(local namefor the western extremity of the Puente Hills) Knoll at the head of the S fork of Sycamore Canyon. 372 Comment
  UCD97186  Amaranthus albus M. Vincent 1962-12-5 314 Los Angeles Santa Monica Mts., Mulholland Highway at Stunt Road. Comment
  SDSU2090  Amaranthus blitoides J. Youngberg 2841 Los Angeles Pomona College, Archery Field, Claremont. Comment
  RSA402987  Amaranthus deflexus L. C. Wheeler 1931-8-31 43 Los Angeles 2 miles NE of La Verne, along roadside. 381 Comment
  POM718  Amaranthus powellii I. M. Johnston 1918-9-21 s.n. Los Angeles Upland. Comment
  RSA629737  Amaranthus retroflexus L. C. Wheeler 1973-8-2 s.n. Los Angeles San Gabriel Mountains: Coulter Reservoir, Sunset Ridge. 647 Comment
  UC468993  Amblyopappus pusillus F. M. Reed 1909-7-2 2812 Los Angeles Pebbly Beach Road; Catalina Island 18 Comment
  RSA31308  Ambrosia acanthicarpa Joseph A. Ewan 1932-10-22 s.n. Los Angeles Santa Catalina Island: Above Avalon. Comment
  RSA416894  Ambrosia acanthicarpa F. R. Fosberg 1931-7-11 7195 Los Angeles Ridge Route near Tumble Inn,, Western Sierra Madre Mts. 1100 Comment
  CAS-BOT-BC13716  Ambrosia chamissonis David B. Weissman 1974-8-19 s.n. Los Angeles Point Dume Comment
  UC896706  Ambrosia chamissonis F. R. Fosberg 1931-5-16 S 4879 Los Angeles Little Harbor; Santa Catalina Island 2 Comment
  UCR206168  Ambrosia confertiflora A. C. Sanders, T. B. Salvato 2009-5-29 37040 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  POM305742  Amorpha californica Henry J. Ramsey, Henry J. Ramsey 1937-6-27 912 Los Angeles Angeles National Forest: Bear Creek, north of Pacoima Reservoir. Comment
  JEPS57332  Amorpha californica var. californica L. R. Heckard 1968-5-11 1843 Los Angeles along Hwy 6 1.3 mi below Newhall junction (se of Newhall) 518 Comment
  RSA647804  Amorpha californica var. californica LeRoy Gross, Laura Moore 2000-6-5 222 Los Angeles Verdugo Mountains: La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 579 Comment
  RSA188021  Amsinckia intermedia R. F. Thorne 1966-4-29 36279 Los Angeles Santa Catalina Island. Middle Ranch, Middle Ranch Canyon 198 Comment
  SD185164  Amsinckia intermedia A. C. Sanders, Helen Kennedy 2005-4-13 29441 Los Angeles Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 456 Comment
  RSA0115844  Amsinckia menziesii Steven A. Junak 1999-4-22 SCa- 841 Los Angeles Santa Catalina Island. In upper part of Cape Canyon at pumphouse, just upstream from fork in road. 305 Comment
  CAS-BOT-BC26819  Amsinckia paludosa Alice Eastwood 1906-5-31 92 Los Angeles near Bimini Baths Comment
  UCR220258  Amsinckia tessellata R. G. Swinney 2009-4-28 10510 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  RSA0089549  Amsinckia tessellata var. tessellata Mitch Provance, Callen Huff 2009-4-28 10667 Los Angeles Tehachapi Mountains: Steep slopes about 0.4 miles E of Gorman and 0.2 mi N of Hwy I-5. 1255 Comment
  RSA0091456  Amsinckia tessellata var. tessellata L. C. Wheeler 1967-5-9 9401 Los Angeles Gleason Canyon, south of Aliso Canyon. 1006 Comment
  RSA187753  Anagallis arvensis Robert F. Thorne 1966-4-6 35890 Los Angeles Santa Catalina Island. Above Moonstone Cove. 15 Comment
  RSA465153  Anagallis arvensis Louis Greata 1900-9-23 s.n. Los Angeles Johnstone Ranch, near Oil well Garvanza. Comment
  UC54975  Anagallis arvensis Miss E. D. Palmer Los Angeles Los Angeles Comment
  IRVC28696  Anemopsis californica A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25481 Los Angeles Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals NE end of Santa Susana Mtns. 335 Comment
  SBBG131922  Anthemis cotula S. A. Junak 2000-6-29 SCa 1348 Los Angeles N end of Haypress Reservoir, flats 399 Comment
  RSA0020366  Antirrhinum coulterianum Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5071 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  UC130952  Antirrhinum coulterianum Katharine Brandegee May 1909 Los Angeles Saugus Comment
  RSA425829B  Antirrhinum kelloggii Albert J. Perkins 1920-2-16 s.n. Los Angeles Glendora, Little Dalton Trail Comment
  SFV7991  Antirrhinum kelloggii T. Gordon, M. H. Grayum, K. Felt 1976-5-7 1357 Los Angeles San Gabriel Mountains On hillside adjacent to lower Trail Canyon. 793 Comment
  SEINET3158921  Antirrhinum multiflorum D. M. Jackson, R. W. Spellenberg 1972-2-21 196 Los Angeles 3.6 mi N from intersection of Pacific Hwy (101) on Corral rd., left on dirt road 0.2 mi. Corral Canyon rd. is west of Malibu. Plant growing on ridge top, Santa Monica Mts. Comment
  UCR191281  Antirrhinum multiflorum R. G. Swinney 1999-7-28 7583 Los Angeles San Gabriel Mtns., Iron Fork, a western tributary of East Fork San Gabriel River Canyon, c. 200 m above confluence 951 Comment
  CATA697  Antirrhinum nuttallianum subsp. subsessile Mark L. Hoefs 1991-5-3 1192 Los Angeles Santa Catalina Island: Bluff between Hamilton Cove and Descanso Beach 82 Comment
  SBBG113092  Aphanes occidentalis S. A. Junak with M. L. Hoefs, S. Crockett 1997-3-27 SCa 359 Los Angeles Cape Cyn, along Cape Cyn Rd, ca. 0.2 rd mi W of Cape Cyn Reservoir 304 Comment
  RSA612118  Aphanes occidentalis Louis C. Wheeler 1933-4-15 1638 Los Angeles San Gabriel Mountains: Foothills; W Live Oak Canyon. 488 Comment
  SBBG133007  Aphanisma blitoides S. A. Junak 1996-4-14 SCI- 336 Los Angeles W side of Whale Point, 0.25 mi SE of Peninsula Point 6 Comment
  SFV22017  Apiastrum angustifolium V. Soza, L. Gross, A. Munoz 2000-5-12 897 Los Angeles Verdugo Mountains Northwestern end of Verdugo Mountains. Crestline Drive from New Home Avenue in Sunland. Ridge east of 210 Freeway and west of fire road, south (above) water tank. Northeast-facing slope of ridgetop. 488 Comment
  UC106514  Apiastrum angustifolium Brandegee May 1889 Los Angeles San Pedro Comment
  CDA5333  Apium graveolens T. C. Fuller 1961-5-11 7264 Los Angeles Northeast of Lemon Avenue & Vejar Road, Walnut. 0 Comment
  UCSB4562  Apium graveolens Crum, Charles 1958-7-19 Los Angeles Topanga canyon roadside, near Los Angeles, California Comment
  RSA730185  Apocynum androsaemifolium R. G. Swinney 1998-9-4 6904 Los Angeles Vincent Gap, off trail c. 350m SE of parking area at spring near canyon bottom 1988 Comment
  SD129269  Aptenia cordifolia A. C. Sanders 1987-12-4 7448 Los Angeles El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Dr 29 Comment
  RSA0082406  Aquilegia formosa R. G. Swinney 2010-9-7 13720 Los Angeles NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks. 1768 Comment
Read comments
Oct 27 2020
  RSA84421  Aquilegia formosa F. W. Peirson 1921-6-19 47 Los Angeles North Fork of San Gabriel River. 1006 Comment
  RSA226187  Arabis glabra var. glabra Gary D. Cromwell, David W. Wheat 1971-5-14 657 Los Angeles Mystic Canyon, 2 miles NE of Glendora Comment
  RSA586291  Arabis pulchra Orlando Mistretta 1995-2-28 1529 Los Angeles San gabriel Mountains, Carr Canyon. 1037 Comment
  UC1871132  Arabis pulchra T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4806 Los Angeles Transverse Ranges; Liebre Mountains region; Parker Mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  UCR204017  Arabis repanda R. G. Swinney 2001-9-15 8140 Los Angeles San Gabriel Mountains, Lily Spring, north slope of Mt. Hawkins [7.5 air mi west southwest of Wrightwood] 2454 Comment
  UCR205279  Arabis sparsiflora var. californica Valerie Soza, Sarah J. De Groot 2003-6-11 1659 Los Angeles San Gabriel Mountains, Prairie Fork, southeast of Cabin Flat 1799 Comment
  RSA595690  Arbutus menziesii L. C. Wheeler 1970-1-4 s.n. Los Angeles San Gabriel Mountains. East fork Santa Anita Canyon, Madrone Flat. 883 Comment
  RSA612293  Arbutus menziesii L. C. Wheeler 1968-10-5 s.n. Los Angeles San Gabriel Mountains: Rincon Canyon at Pine Mt. Truck Trail. 731 Comment
  CAS-BOT-BC409991  Arceuthobium campylopodum Joseph Andorfer Ewan 1936-8-17 10111 Los Angeles Little Rock-Bear Creek Divide, San Gabriel Mountains 1981 Comment
  RSA629082  Arctostaphylos Jon E. Keeley, Allen Massihi 1992-8-20 20241 Los Angeles Mill Creek Summit, Angeles Forest Hwy. San Gabriel Mtns. 1470 Comment
  UCR150904  Arctostaphylos Valerie Soza, Kent Hughes 1999-6-17 565 Los Angeles Transverse ranges; San Gabriel Mountains, Upper Winter Creek Trail 793 Comment
  RSA626821  Arctostaphylos glandulosa Jon E. Keeley 1992-8-3 11160 Los Angeles Top of Mt. Gleason, San Gabriel Mts. 1900 Comment
  RSA626677  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1992-10-15 22076 Los Angeles Crystal Lake Recreation Area. San Gabriel Mtns. 1770 Comment
  UCD50877  Arctostaphylos glandulosa subsp. glandulosa Daryl Koutnik; John Cuti 1978-4-19 381 Los Angeles Verdugo Mountains on fire road from Stough Canyon to La Crescenta. 762 Comment
  RSA587284  Arctostaphylos glandulosa subsp. mollis T. S. Ross 1990-5-17 2561 Los Angeles Little Gleason Forestry Plantation: north of Mt Gleason Road about the east headwaters of Gleason Canyon and about 2 (air) miles E of Mt Gleason summit. 1682 Comment
  RSA626760  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley 1993-11-15 25170 Los Angeles Shortcut, Angeles Crest Hwy. 1430 Comment
  RSA626832  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Melanie Baer Keeley 1992-10-15 22121 Los Angeles Glendora Ridge Rd., 7 km southwest of Baldy Rd., San Gabriel Mtns. 1410 Comment
  UC1120293  Arctostaphylos glandulosa subsp. mollis A. D. Gifford 1935-3-15 461 Los Angeles 1 mi nnw Warm Springs; Tejon Quadrangle Comment
  RSA631639  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-6-18 15633 Los Angeles Aliso Canyon Road, 4 km northwest of Angeles Forest Highway. 1050 Comment
  RSA634732  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20563 Los Angeles Road to Sulphur Springs Cpgrd., 4 km N of Angeles Crest Hwy, N of Chilao Cpgrd. San Gabriel Mtns. 1840 Comment
  RSA634860  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20545 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA634930  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20252 Los Angeles Mill Creek Summit, Angeles Forest Hwy. San Gabriel Mtns. 1470 Comment
  RSA635179  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20598 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.7 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1680 Comment
  POM156715  Arctostaphylos patula L. R. Abrams 1902-7-12 2703 Los Angeles Mt. San Antonio 2744 Comment
  RSA784311  Arctostaphylos patula David M. Hutt 1959-5-10 455 Los Angeles Drainage area to Cajon Cr.: Devil's Backbone, the ridge 1 mile toward Mt. Baldy from top of first ski tow at Baldy Notch - NNE of Claremont 2591 Comment
  RSA747861  Arctostaphylos pungens Scott D. White, Justin M. Wood 2009-5-6 12684 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  UCR184203  Arenaria douglasii A. C. Sanders, T. B. Salvato 2007-4-24 33491 Los Angeles Tehachapi Mountains, hills above head of Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant 1128 Comment
  RSA423569  Arenaria macradenia var. arcuifolia Bonnie C. Templeton 1932-8-25 5081 Los Angeles Table Mtn., Big Pines Park, San Gabriel Mountains 2037 Comment
  RSA642041  Arenaria macradenia var. arcuifolia Orlando Mistretta 1993-6-28 909 Los Angeles Angeles National Forest; Table Mountain, Sunrise ski area. Comment
  CAS-BOT-BC384747  Arenaria serpyllifolia var. serpyllifolia Frank W. Peirson 1924-5-27 4622 Los Angeles San Gabriel Mts. Colby's Ranch Comment
  CAS-BOT-BC401600  Argemone albiflora Theodore Payne 1934-4-1 s.n. Los Angeles Stone Canyon, Santa Monica Mts. Comment
  RSA105988  Argemone munita Gerald B. Ownbey, Findley Ownbey 1954-5-29 2123 Los Angeles Mountain grade, 4.8 miles SE of Valyermo on road to Wrightwood. Comment
  RSA434330  Argemone rotundata Bonnie C. Templeton 1932-7-21 5017 Los Angeles Prairie Fork San Gabriel River, near Big Pines Park Comment
  SBBG96689  Aristida adscensionis S. Boyd with T. Ross, L. Arnseth 1990-4-7 4193 Los Angeles upper reaches of China Cyn Comment
  RSA0112073  Aristida adscensionis Steven A. Junak 2000-5-18 SCa- 1297 Los Angeles Santa Catalina Island. W side of 4th of July Cove. 36 Comment
  RSA417244  Artemisia californica Samuel R. Tyson 1942-10-30 s.n. Los Angeles San Dimas Canyon. 457 Comment
  POM6092  Artemisia douglasiana D. L. Crawford 1915-8-14 s.n. Los Angeles Palmer Canyon, Claremont Comment
  RSA0116189  Artemisia douglasiana R. G. Swinney 2011-10-13 15776 Los Angeles San Gabriel Mountains; Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek. 1573 Comment
  SD112009  Artemisia douglasiana Betsy Carpenter, Linda Allen 1975-3-21 Los Angeles Santa Catalina Island, Cottonwood Creek. Comment
  SD252275  Artemisia douglasiana Steven A. Junak 2000-7-1 Sca 1372 Los Angeles Santa Catalina Island: along Cape Canyon Road, upper Cape Canyon. 305 Comment
  UCR190277  Artemisia dracunculus R. G. Swinney 1998-8-1 6612 Los Angeles San Gabriel Mtns., Mine Gulch at East Fork of San Gabriel River Canyon 1372 Comment
  CAS-BOT-BC93871  Artemisia dracunculus Peter H. Raven; Henry J. Thompson 1959-10-18 14680 Los Angeles Santa Monica Mountains - Decker road 1.8 miles south of Mulholland Highway 487 Comment
  RSA417319  Artemisia dracunculus Billy Smith 1949-7-24 4221 Los Angeles Los Padres National Forest 457 Comment
  UCD129234  Artemisia dracunculus F. R. Fosberg 1931-7-11 S 5384 Los Angeles Cape Canyon, Santa Catalina Island. 230 Comment
  RSA48852  Artemisia tridentata subsp. parishii J. C. Roos 1949-11-24 4699 Los Angeles 8 or 9 miles W of Lancaster. 732 Comment
  UC1119414  Artemisia tridentata subsp. parishii H. A. Jensen 1933-4-30 291 Los Angeles Lancaster Elizabeth Lake Quadrangle Comment
  UCR240025  Artemisia tridentata var. parishii R. G. Swinney 2009-11-13 11599 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Little Rock Creek and Carr Canyon, N of Mt. Emma Rd. 909 Comment
  RSA594293  Arundo donax L. C. Wheeler 1967-7-30 10246 Los Angeles San Gabriel Mountains. Big Tujunga Canyon at Trail Canyon. 518 Comment
  RSA595026  Arundo donax Steve Boyd, Lauren Raz 1996-10-8 8989 Los Angeles Liebre Mountains region, Bouquet Canyon ca. 1.7 miles south of junction with Forest Service Road 6N08. 561 Comment
  UCSB21996  Arundo donax Keefe, Joseph 1967-2-17 Los Angeles Hungry Valley Rd, 1 mi S of US Hwy 99, SW of Gorman 1161 Comment
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Jan 9 2019
  UCR204248  Asclepias californica Valerie Soza, Sarah J. De Groot 2003-6-18 1691 Los Angeles Transverse Ranges; San Gabriel Mountains, Upper Cooper Canyon, along Forest Service Road 2000.5, northeast of Cloudburst Summit, c. 0.6 mi above Cooper Canyon trail Camp on east slopes of Winston Peak 1982 Comment
  SEINET10580749  Asclepias californica subsp. californica Adolph D. E. Elmer Elmer 3722 Los Angeles Acton 825 Comment
  RSA747365  Asclepias eriocarpa Orlando Mistretta 1994-7-12 1398 Los Angeles Along trail, S. Fork of Big Rock Creek. Surveying from Reed Spring to Islip Saddle. Comment
  RSA0127187  Asclepias eriocarpa Louis C. Wheeler 1967-7-23 10150 Los Angeles Angeles National Forest. Indian Canyon. 731 Comment
  RSA187845  Asclepias fascicularis R. F. Thorne 1966-4-7 35977 Los Angeles Santa Catalina Island: upper small ponds near Arrow Point, W end of island. 61 Comment
  RSA758714  Asclepias fascicularis R. G. Swinney 2008-10-7 9469 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak 1622 Comment
  UCR99512  Aster subulatus var. ligulatus Steve Boyd, Lauren Raz 1996-10-14 9085 Los Angeles Liebre Mtns., SW end of Quail Lake, in seasonally flooded depression on south side of Hwy 138. 1021 Comment
  UCR186932  Astragalus didymocarpus A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32043 Los Angeles Tehachapi Mtns. Foothills, west end of Antelope Valley, north of Hwy 138 near mouth of Tentrock Canyon, c. 1 mile NW of La Liebre Ranch (High Desert Hunt Club) buildings 945 Comment
  RSA112203  Astragalus didymocarpus var. obispoensis H. D. Ripley, R. C. Barneby 1941-4-19 3261 Los Angeles 3 miles W of Palmdale, Antelope Valley. Comment
  UCD168217  Astragalus douglasii J. W. Barry Apr1980 s.n. Los Angeles Hungry Valley SVRA. (Exact location unknown. This park is mostly in Los Angeles county, but also includes parts of Ventura and Kern counties. Coordinates estimated by the label maker.) Comment
  RSA286113  Astragalus douglasii var. douglasii John F. Emmel 1980-7-15 749 Los Angeles East end of Table Mtn., 0.5 air mile E. of Smithsonian Observatory. 2195 Comment
  UCR274104  Astragalus gambelianus Steven A. Junak, Mark Hoefs, Keri Kirkland, Janet Takara 1998-5-1 SCa- 593 Los Angeles California Islands, Santa Catalina Island, north of Airport Road, near abandoned road to ridge with Whitley's Peak, c. 0.15 miles from main road 427 Comment
  RSA527799  Astragalus gambelianus T. S. Ross, Annette Ross 1991-6-3 5545 Los Angeles Elephant Hill : west Pomona. 274 Comment
  RSA612288  Astragalus gambelianus L. C. Wheeler 1934-4-24 2551 Los Angeles Liveoak Canyon Dam 457 Comment
  SBBG80333  Astragalus miguelensis F. C. Boutin 1967-4-23 1625 Los Angeles N end of SMC at West Cove; on sand dunes Comment
  UCR204195  Astragalus miguelensis Mark A. Elvin, Orlando Mistretta 1996-3-22 114 Los Angeles Channel Islands, San Clemente Island Comment
  UCR104773  Astragalus preussii var. laxiflorus David Charlton 1991-6-6 5646 C Los Angeles Western Mojave Desert, Edwards Air Force Base, South Track Well Field, 0.25 mi. north of water tank on unpaved road 701 Comment
  RSA415761  Astragalus trichopodus Anstruther Davidson 1891-06 s.n. Los Angeles Catalina Island. Comment
  RSA733362  Astragalus trichopodus A. C. Sanders 2003-6-20 27000 Los Angeles Western Transverse Range/Santa Clara River Watershed: Off-haul Canyon between San Martinez Grande Canyon and Ventura Co. line, north of Hwy. 126 and ca. 1km NNW of Mayo Spur 305 Comment
  CAS-BOT-BC194026  Astragalus trichopodus var. lonchus S. B. Parish 1918-2-23 1164 Los Angeles Hermosa Beach Comment
  JEPS54669  Astragalus trichopodus var. lonchus Julia A. Bettys 1929-4-29 Los Angeles Huntington Palisades Comment
  SBBG17959  Astragalus trichopodus var. lonchus E. R. Blakley 1963-4-10 5572 Los Angeles NE side of Black Jack Mtn 396 Comment
  POM74235  Astragalus trichopodus var. phoxus Katherine Brandegee 1909-05 s.n Los Angeles Saugus Comment
  RSA624470  Astragalus trichopodus var. phoxus L. C. Wheeler 1973-5-6 s.n. Los Angeles San Gabriel Mountains: Near the mouth, east side Little Tujunga, near BM. 1227. 396 Comment
  UC862487  Astragalus trichopodus var. phoxus Alice Eastwood May 27, 1906 - June 10, 1906 249 Los Angeles Roscoe Comment
  CAS-BOT-BC170602  Atriplex amnicola C. Wishner; A. Gale 2005-8-12 1 -40 Los Angeles Malibu Lagoon State Beach, Santa Monica Mountains 3 Comment
  UCD169507  Atriplex amnicola C. Wishner; A. Gale 2005-8-12 1- 4 Los Angeles LAX, Santa Monica Mountains, Malibu Lagoon State Beach. 3 Comment
  UCSB52777  Atriplex argentea Boutin, F. 1967-4-23 Los Angeles San Clemente Island; N end of island, between NW Harbor and airstrip Comment
  SBBG80317  Atriplex argentea var. expansa F. C. Boutin 1967-4-23 1622 Los Angeles N end of island; between Northwest Harbor and airstrip Comment
  POM18429  Atriplex californica P. A. Munz 1923-4-8 6616 Los Angeles San Clemente Island. Comment
  SEINET6045579  Atriplex canescens Louis C. Wheeler 1956-9-15 7240 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  SEINET3930686  Atriplex canescens subsp. canescens Timothy S. Ross, Steve Boyd 1994-9-20 8227 b Los Angeles Located 2 miles northwest of Acton. Sandy wash, south side of intersection Escondido Canyon Road and Red Rover Mine Road.; 0 884 Comment
  CAS-BOT-BC168272  Atriplex canescens var. canescens Eugene Walls 1909-11-27 4 Los Angeles Lancaster Comment
  SEINET2042305 Image available Atriplex confertifolia B. Pitzer 1998-5-23 3724 Los Angeles West Mojave; ca 18 mi NW of Adelanto, 12.8 mi W of the San Bernardino Co. line 240th St. East, 3.6 road mi N of jct with El Mirage Rd. (=Ave. P), 2.9 mi S of Ave J. (Adobe Mountain 7.5' Q) 866 Comment
  SD60407  Atriplex coulteri Peter H. Raven 1962-5-21 17799 Los Angeles Santa Catalina Island; road from Middle Ranch to Bullrush Canyon. 245 Comment
  RSA0116202  Atriplex coulteri Steven A. Junak 2000-3-30 SCa- 1139 Los Angeles Santa Catalina Island. Above Goat Harbor and Ironwood Grove. 366 Comment
  UCR125261  Atriplex heterosperma A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25539 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, at circular cement cattle trough on south side of valley 366 Comment
  UCR188679  Atriplex lentiformis subsp. breweri Tim Searl 2007-10-15 151007- 07 Los Angeles South Coast, Las Flores, along Pacific Coast Highway, c. 3 miles east of Malibu 15 Comment
  SBBG12692  Atriplex leucophylla E. R. Blakley 1962-10-5 5428 Los Angeles N of White's Landing 3 Comment
  POM279017  Atriplex nummularia Grant D. Brown 1949-11-24 447 Los Angeles Playa del Rey. 15 Comment
  SBBG127519  Atriplex prostrata M. L. Hoefs, S. A. Junak, K. Kirkland 1996-7-10 2748 Los Angeles Catalina Harbor at the Isthmus 3 Comment
  SFV6956  Atriplex rosea T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-8-31 619 Los Angeles Santa Monica Mountains On roadcut along Old Topanga Canyon Road, about 1 mile north of Topanga Park. 366 Comment
  UCD97677  Atriplex rosea Robert F. Thorne; J. Dourley 1967-10-10 37335 Los Angeles San Gabriel Mountains; Los Angeles National Forest, Jackson Lake. 1866 Comment
  POM50673  Atriplex serenana A. D. E. Elmer 1902-06 3984 Los Angeles Lancaster. Comment
  RSA123000  Atriplex spinifera Marcus E. Jones 1925-5-4 s.n. Los Angeles Near Lancaster Comment
  RSA760676  Atriplex suberecta R. G. Swinney 2008-12-6 9978 Los Angeles Azusa, mouth of San Gabriel Canyon west of Roberts Canyon on north side of San Gabriel River channel 229 Comment
  RSA657158  Avena barbata Joseph M. Keefe 2001-1-19 31001 Los Angeles Big Tujunga Wash, 400 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District 384 Comment
  UCR125390  Avena barbata A. C. Sanders, Mark Elvin 2003-3-5 25733 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Exon Mesa,' due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River 335 Comment
  RSA38944  Avena fatua Edith A. Purer 1931-2-21 s.n. Los Angeles Palos Verdes Hills Comment
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Aug 13 2007
  SEINET3919707  Avena fatua Joseph Marlowe Keefe 2001-1-19 30938 Los Angeles San Rafael Mountains. End of sidewalk, along Eagle Rock View Drive, south face of The Eagle Rock. Los Angeles, California 90041.; 0 293 Comment
  RSA654015  Avena sativa Valerie L. Soza, Laura Moore 2000-5-10 846 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, W of peak ''1936''. 579 Comment
  SD85105  Azolla filiculoides Martin A. Piehl 3-6 Oct 1962 62522 Los Angeles Santa Catalina Island, Cottonwood Creek at bridge along main road, west side of island Comment
  CATA3206  Baccharis glutinosa Julie L. King 2016-11-22 25 Los Angeles Santa Catalina Island: Big Springs Canyon, 0.5 miles north on Isthmus Rd. from junction with road to Little Harbor, 60 meters directly east of Isthmus Rd. in drainage 29 Comment
  RSA652564  Baccharis glutinosa George Maruko 1948-2-23 s.n. Los Angeles South slope above golf course, Griffeth Park, Los Angeles. 213 Comment
  UCR88681  Baccharis pilularis Scott D. White 1995-10-19 3695 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  OBI35593  Baccharis pilularis subsp. consanguinea Rebecca Cicoria 1981-4-24 23 Los Angeles Upper Sepulveda cyn on grassy slopes, Rolling Hills. Comment
  SBBG108928  Baccharis salicifolia S. A. Junak 1997-4-24 SCl 871 Los Angeles flats just S of Wall Rock Cyn 198 Comment
  UCR212772  Baccharis salicifolia Ellen Mackey, Blake Whittington 2006-10-4 NFWF- 1773 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River watershed, [San Dimas Canyon] downstream from San Dimas Dam 405 Comment
  SD87545  Baccharis salicina F. W. Peirson 1924-10-19 5228 Los Angeles Clearwater Comment
  UCR178893  Baccharis sarothroides R. G. Swinney 1989-9-11 s.n. Los Angeles San Gabriel Mtns. Foothills, Glendora, east end of South Hills, at end of High Country Drive 305 Comment
  RSA0030947  Baccharis viminea Jane Snyder 1966-5-10 5 Los Angeles San Raphael HIlls. 213 Comment
  RSA003926  Balsamorhiza deltoidea LeRoy Gross, P. Morton 2004-6-10 1379 Los Angeles East end of the main crest; (Road surveys for the Angeles National Forest, road 7N23) Traveled from east to west [west to east] from the junction with Atmore Meadows road (7N19) along Sawmill Mountain to Burnt Peak road (7N23A) 1590 Comment
  RSA0073384  Balsamorhiza deltoidea Mitch Provance, Callen Huff 2009-4-28 10715 Los Angeles Tehachapi Mountains: Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 1.3 miles ENE of Gorman; site PO1086. 1371 Comment
  SBBG112169  Balsamorhiza deltoidea C. Bornstein, E. Collins 1997-4-14 Los Angeles ca. 0.7 mi E of Hwy 138 on USFS Rd N2; Liebre Mtn 1082 Comment
  RSA66070  Barbarea orthoceras F. W. Peirson 1922-7-5 3166 Los Angeles Big Pines Meadow, north side of San Gabriel Mountains 2072 Comment
  RSA598293  Bellis perennis L. C. Wheeler 1947-5-11 6484 Los Angeles Arcadia. Rancho Santa Anita. Baldwin Estate, near coach house. Comment
  SD215425  Berberis nevinii Gary Wallace, Scott Eliason 1998-2-20 Los Angeles San Gabriel Mountains; Lopez Canyon north of San Fernando; Angeles National Forest. 456 Comment
  CDA2994  Beta vulgaris T. C. Fuller 1981-4-1 20349 Los Angeles Ballona Marsh, 200 meters north of 431 East Culver Blvd., Playa del Rey 0 Comment
  POM350852  Bidens pilosa F. R. Fosberg 1931-3-1 4216 Los Angeles Topanga Canyon, 2.5 mi. below Wildwood, Santa Monica Mts. 60 Comment
  UC2029998  Bituminaria bituminosa Valerie Soza, LeRoy Gross 2001-4-18 1140 Los Angeles Transverse Ranges, San Gabriel Mountains region: Santa Anita 1999 Fire Area, between Little Santa Anita and Santa Anita Canyons, north side of Santa Anita Canyon Road. Comment
  RSA701181  Bloomeria crocea Walter Wisura 2003-6-30 5170 Los Angeles Evey Canyon. Comment
  POM305064  Boechera californica Henry J. Ramsey 1937-1-2 355 Los Angeles Altadena. 396 Comment
  RSA0128794  Boechera californica Percy C. Everett, E. K. Balls 1958-4-25 22955 Los Angeles San Antonio Dam, 4 miles N of Claremont Comment
  CAS-BOT-BC14719  Boechera repanda LeRoy Abrams; E. A. McGregor 1908-7-3 589 Los Angeles North Baldy Mountain. San Gabriel Mountains. Rock Creek Canyon. 2133 Comment
  CAS-BOT-BC14720  Boechera repanda A. A. Beetle 1942-6-25 3638 Los Angeles San Bernardino Mountains. 4 miles north of Big Pine Camp on Route 2. 1828 Comment
  UCR247277  Bolboschoenus maritimus subsp. paludosus Dan S. Cooper 2013-7-29 713- 37 Los Angeles South Coast, Torrance; vacant lot just SW if Crenshaw Blvd. and East 208th St. intersection 23 Comment
  RSA0017438  Bothriochloa barbinodis Marcus E. Jones 1926-5-7 s.n. Los Angeles Mountains near Claremont. Comment
  UC874605  Bowlesia incana F. R. Fosberg 1931-3-20 S 4320 Los Angeles Santa Catalina Island, Hamilton Canyon Hamilton Canyon; Santa Catalina Island, Hamilton Canyon 25 Comment
  UCR71254  Bowlesia incana Steve Boyd, T. Ross, et al 1990-4-8 4302 Los Angeles Channel Islands, San Clemente Island: east side of island, Bryce Canyon near Malo Point Comment
  POM1587  Boykinia rotundifolia D. L. Crawford 1915-7-15 551 Los Angeles Palmer Canyon - Claremont. Comment
  RSA226233  Boykinia rotundifolia Gary D. Cromwell, David W. Wheat 1971-7-1 700 Los Angeles Mystic Canyon 412 Comment
  UCR145159  Brassica geniculata June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains foothills/Mojave Desert, Bob's Gap and Valyermo Road 1250 Comment
  UCR261760  Brassica geniculata R. G. Swinney 2010-9-13 13837 Los Angeles San Gabriel Mountains, c. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek 1244 Comment
  RSA482922  Brassica rapa B. C. Templeton 1933-7-20 5050 Los Angeles Big Pines Park 2090 Comment
  RSA482931  Brassica rapa Jack Rempel 1932-3-27 s.n. Los Angeles El Segundo. Comment
  JEPS18642  Brickellia californica J. Thomas Howell 1927-10-16 3156 Los Angeles trail between Sierra Madre and Santa Anita Canon Sierra Madre; San Gabriel Mts., Santa Anita Canon Comment
  PASA2162  Brickellia californica Frank W. Peirson 1924-10-26 Los Angeles Arroyo Seco 198 Comment
  CAS-BOT-BC106133  Brickellia nevinii Fordyce Grinnell 1915-11-1 s.n. Los Angeles Echo Mt. near Pasadena Comment
  RSA600582  Brickellia nevinii Steve Boyd, Lauren Raz 1997-4-30 9599 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine 866 Comment
  UC52244  Brickellia nevinii Louis A. Greata 1903-8-31 331 Los Angeles above Sherman, Santa Monica Range Santa Monica Range Comment
  UC1375344  Brodiaea terrestris subsp. kernensis Gary D. Cromwell and David Wheat 1971-5-23 690 Los Angeles 2 mi ne Glendora (ne slope above lower canyon); Angeles National Forest, San Gabriel Mts., Mystic Canyon 548 Comment
  UCR179465  Bromus arvensis R. G. Swinney, Dave Larson 1996-8-7 5247 Los Angeles Eastern San Gabriel Mountains., San Dimas Experimental Forest, head of Dry Lake Canyon at 'Dry Lake,' site of CCC camp in 1930s = Browns Flat 1524 Comment
  SBBG56651  Bromus berteroanus R. Hoffmann 1932-4-8 Los Angeles 5 mi W of El Mirage Post Office Comment
  RSA158286  Bromus carinatus P. H. Raven 1962-4-9 17126 Los Angeles Wilson Cove, San Clemente Island 61 Comment
  POM364056  Bromus carinatus var. carinatus Bonnie C. Templeton 1932-7-20 5019 Los Angeles Big Pines Park 2092 Comment
  RSA762248  Bromus carinatus var. carinatus Orlando Mistretta, Christine Mistretta 2008-5-19 3116 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
  POM364018  Bromus catharticus Anstruther Davidson 1917-04 3179 Los Angeles E. Los Angeles. Comment
  RSA594670  Bromus catharticus L. C. Wheeler 1967-7-30 10281 Los Angeles San Gabriel Mountains. Trail Canyon, Tom Lucas campground. 944 Comment
  POM363397  Bromus diandrus Robert D. Clarke 1979-4-12 s.n. Los Angeles Arcadia. LASCA [Los Angeles County and State Arbretum] Comment
  SBBG128328  Bromus diandrus M. L. Hoefs 1991-4-8 1079 Los Angeles side cyn (Rattlesnake Cyn) of upper Avalon Cyn 146 Comment
  RSA0039355  Bromus diandrus John F. Emmel 1995-3-25 1357 Los Angeles Verdugo Mountains NE of Burbank; along mid-portion of trail south above La Tuna Canyon, ca. 0.6-0.8 air mile north and 0.1-0.2 air mile east of peak 3077. 685 Comment
  CAS-BOT-BC155592  Bromus grandis W. A. Silveus 1938-6-1 2754 Los Angeles Mount Wilson Observatory. Comment
  CHSC60483  Bromus grandis Mary MacArthur 1967-7-16 110 Los Angeles Charlton flat about 1 mi. from Angeles Crest Hwy., below parking area #12 Angeles National Forest, San Gabriel Mts. 1524 Comment
  POM1258  Bromus grandis Le Roy Abrams 1902-7-2 2632 Los Angeles Little Santa Anita Canyon, Sierra Madre [San Gabriel Mountains.] Comment
  RSA0021182  Bromus hallii Duncan S. Bell 2013-7-11 5373 Los Angeles Sheep Mountain Wilderness; eastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1993 Comment
  RSA732910  Bromus hallii R. G. Swinney 1997-6-25 5630 Los Angeles San Gabrial Mtns.: west of Wrightwood, ca. 0.25 mi. east of Hwy 2, ca. 300 m N of Guffy Rd. (3N06) 2317 Comment
  RSA714064  Bromus madritensis G. Ocampo 2006-1-17 1534 Los Angeles Jardin en el area de departmentos de la Escuela de Teologia, cercano al edificio Este. Claremont. Comment
  UCD58995  Bromus madritensis Peter H. Raven 1962-5-20 17780 Los Angeles Santa Catalina Island. Farnsworth Loop on Summit Road. 243 Comment
  CDA1843  Bromus madritensis subsp. madritensis Scott D. White 1998-6-1 6710 Los Angeles San Gabriel Mountains; San Antonio Canyon, ca 1.5 air mi N of San Antonio Dam/Shinn Road (=Mountain Ave) Bridge over San Antonio Creek, immediately west of USFS San Antonio Fire Station Comment
  CATA677  Bromus madritensis subsp. rubens Mark L. Hoefs 1991-4-23 1168 Los Angeles Santa Catalina Island: Around upper White's Landing Road 451 Comment
  UCR280557  Bromus rubens R. G. Swinney 2014-4-17 16072 Los Angeles San Gabriel Mountains, SW of Littlerock, 0.5-0.8 mi. east of Cheseboro Rd., 100-200 m south of CA Aqueduct, 0.66 mile due S of Hwy. 138/Pearblossom Hwy 957 Comment
  RSA0019951  Bromus tectorum Timothy S. Ross 1992-4-4 6093 Los Angeles Adobe Mountain: SW Mojave Desert. 927 Comment
  RSA771840  Bromus tectorum R. G. Swinney 2009-5-28 10923 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCD34816  Bromus tectorum Beecher Crampton 1963-5-7 6769 Los Angeles Northeastern; 1/2 mile E of Pearblossom, State Hwy. 138. Comment
  UCR155623  Bromus tectorum A. C. Sanders, T. B. Salvato 2005-4-26 29705 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa 671 Comment
  UCR223554  Bromus tectorum R. G. Swinney 2009-6-2 10996 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  RSA0019947  Bromus tectorum R. F. Thorne 1971-5-18 41368 Los Angeles Santa Catalina Island: White's Landing. 30 Comment
  LA94734  Buddleja davidii J. Feldman; 1959-6-15 sn Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek Comment
  LA201646  Buddleja saligna Arthur C. Gibson; 2003-12-27 5007 Los Angeles SANTA MONICA MOUNTAINS, Schleuren Road at mile marker 0.24, near junction of Stunt and Saddle Peak roads. Comment
  UCR97793  Cakile maritima Scott D. White 1997-3-12 4732 Los Angeles Pacific Coast, Zuma Beach, mouth of Zuma Creek, E end of the County Beach. 8 Comment
  RSA569918  Calandrinia ciliata Timothy S. Ross, Steve Boyd, Laurel Arnseth 1991-4-29 4829 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna 1119 Comment
  UCR265489  Calandrinia ciliata Dan S. Cooper 2015-3-13 2015- 35 Los Angeles Western Transverse Range; Santa Monica Mountains, La Sierra Canyon, north of Seminole Hot Springs 244 Comment
  RSA9732  Calandrinia ciliata L. C. Wheeler 1932-3-12 486 Los Angeles La Verne. 305 Comment
  CAS-BOT-BC167292  California macrophylla Ernest C. Twisselmann 1962-4-18 6959 Los Angeles San Clemente Comment
  CHSC5089  Calocedrus decurrens M. MacArthur 1967-7-16 74 Los Angeles Found at Charlton flat ca. 1 mi from Angeles Crest Hwy., below parking area #12, Angeles National Forest, San Gabriel Mts. 1524 Comment
  UCR277388  Calocedrus decurrens R. G. Swinney 2011-10-13 15781 Los Angeles San Gabriel Mountains, Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek 1573 Comment
  CAS-BOT-BC132268  Calochortus catalinae Marion Ownbey; Ruth P. Ownbey 1938-6-27 1667 Los Angeles At mouth of Los Alisos Canyon, Santa Monica Mountains Comment
  RSA11769  Calochortus catalinae E. Lloyd 1933-4-8 s.n. Los Angeles Temescal Canyon, Santa Monica Mountains. Comment
  RSA131242  Calochortus catalinae Percy C. Everett, E. K. Balls 1959-6-2 23828 Los Angeles NE of entrance to Stokes Canyon, Santa Monica Mountains. 229 Comment
  SEINET3884910  Calochortus catalinae K. Dobry 1991-5-4 d 264 Los Angeles Stunt Ranch, Cold Creek Canyon, Santa Monica Mountains.; 0 Comment
  SD234441  Calochortus clavatus A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al 2003-4-28 26132 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, 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 (Warm Springs Mtn 7.5' Q) 487 Comment
  UCR124945  Calochortus clavatus B. C. Templeton, I. W. Clokey 1930-5-13 1402 Los Angeles Western San Gabriel Mtns., Bouquet Canyon 600 Comment
  RSA377327  Calochortus clavatus var. clavatus Jack Rempel 1934-5-6 s.n. Los Angeles Mulholland Drive, Santa Monica Mountains. Comment
  RSA600477  Calochortus clavatus var. gracilis Steve Boyd, Lauren Raz 1997-4-30 9619 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine. 866 Comment
  LA211155  Calochortus clavatus var. gracilis Tarja Sagar; 2010-6-22 s.n. Los Angeles SANTA MONICA MOUNTAINS, overlooking Zuma Creek, Newton Canyon Trail just downstream of bridge. Comment
  RSA725205  Calochortus kennedyi var. kennedyi Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -44 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  CAS-BOT-BC132481  Calochortus plummerae Marion Ownbey; Ruth P. Ownbey 1938-6-27 1666 Los Angeles Mouth of Los Alisos Canyon, Santa Monica Mts. Comment
  UCR280863  Calochortus plummerae R. G. Swinney 2014-5-19 16563 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
  RSA134728  Calochortus splendens Percy C. Everett 1959-6-29 23867 Los Angeles Stokes Canyon, Santa Monica Mountains. 152 Comment
  JEPS108273  Calochortus striatus David Gowen 2005-5-11 310 Los Angeles HWY 138 (West Ave. D) west of Lancaster. NE corner of intersection with 40th Street W. Comment
  UCR252881  Calyptridium monandrum R. G. Swinney 2010-5-11 12662 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  UCR258902  Calyptridium monandrum R. G. Swinney 2010-4-30 12461 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, 0.67 miles east of Wilson Cyn. Debris Basin on south side of the ridge south of the southern of the two eastern forks of Wilson Cyn. 616 Comment
  UCR41716  Calyptridium monandrum G. R. Ballmer, G. F. Pratt 1986-3-25 s.n. Los Angeles Southern Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 Comment
  CAS-BOT-BC224310  Calystegia macrostegia subsp. amplissima Reid Moran 1941-2-19 593 Los Angeles Middle Ranch, San Clemente Island 500 Comment
  CAS-BOT-BC224315  Calystegia macrostegia subsp. amplissima Reid Moran 1958-9-15 6838 Los Angeles Above Wilson Cove, San Clemente Island 50 Comment
  RSA0114812  Calystegia macrostegia subsp. arida R. G. Swinney 2011-5-6 14622 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
  UC1220413  Calystegia macrostegia subsp. arida G. I. Stage 1963-7-8 63 -41 Los Angeles Tanbark Flat , Tanbark Flat (San Gabriel Mountains) Comment
  CHSC35399  Calystegia macrostegia subsp. cyclostegia Richard S. Hood 1971-5-28 351 Los Angeles 1.5 air mi SW of Saddle Peak on Schueren Rd, 0.9 mi NW of jct with Puima Rd in Santa Monica Mtns 609 Comment
  CAS-BOT-BC215752  Calystegia macrostegia subsp. intermedia John I. Carlson 1914-4-28 s.n. Los Angeles Avalon, Catalina Isl. Comment
  UCD126090  Calystegia macrostegia subsp. intermedia Daryl Koutnik 1978-3-31 s.n. Los Angeles West fork of Triunfo Creek and south of Westlake. 396 Comment
  RSA232663  Calystegia macrostegia subsp. macrostegia G. D. Wallace 1972-9-2 694 Los Angeles San Clemente Islands, below barracks area in small canyon at Wilson Cove. Comment
  SFV6255  Calystegia malacophylla M. H. Grayum, B. Hannum 1974-5-30 s. n. Los Angeles Santa Susana Mountains Just up hill from first hairpin beyond junction with Brown's Canyon Road on road to summit of Oat Mountain. 1113 Comment
  UCR108419  Calystegia peirsonii Scott D. White, Pam DeVries 1998-5-15 6501 Los Angeles San Gabriel Mtns., Soledad Canyon area: proposed quarry area north of Soledad Canyon Rd, south of I-14 freeway, east of Bee Canyon and west of Agua Dulce Canyon 823 Comment
  RSA394826  Calystegia soldanella Jack Rempel 1932-4-24 15242 Los Angeles El Segundo Comment
  RSA730262  Camissonia R. G. Swinney 1999-6-18 7277 Los Angeles San Gabriel Mtns.: Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1683 Comment
  RSA465682  Camissonia bistorta T. S. Clare 1929-2-25 s.n. Los Angeles Santa Monica Mountains, Santa Monica Canyon Comment
  UCR205681  Camissonia bistorta A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36917 Los Angeles San Gabriel Valley, San Gabriel River floodplain, Whittier Narrows Nature Center and east to Peck Rd. along the SCE powerlines and the river levee 70 Comment
  RSA483715  Camissonia bistorta Richard Noyes, L. Arnseth 1988-4-30 508 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Dry drainage bed 100 meters east of Thompson Creek Dam. 500 Comment
  UCD103401  Camissonia campestris subsp. campestris J. M. Tucker 1962-4-18 3619 Los Angeles Oso Canyon, 1.5 miles SE of Hamilton Field gate. 1188 Comment
  RSA454025  Camissonia cheiranthifolia subsp. suffruticosa Tom Burch 1940-4-19 s.n. Los Angeles Malabu [Malibu] Coast. Comment
  RSA72258  Camissonia cheiranthifolia subsp. suffruticosa F. W. Peirson 1921-2-26 2579 Los Angeles Beach 1 mile east of Topango [Topanga]. Comment
  RSA747464  Camissonia confusa R. G. Swinney 2008-4-4 8613 Los Angeles Lower Ham Canyon where it runs through San Dimas Golf Course, just above confluence with San Dimas Wash 366 Comment
  RSA747773  Camissonia hirtella Scott D. White, Justin M. Wood 2009-5-6 12671 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  RSA549188  Camissonia intermedia Tim S. Ross, Peter Fritsch 1990-6-20 3652 Los Angeles San Gabriel Mountains: Rincon-Red Box Rd (2N24); ridgetop between W Fork San Gabriel River and Roberts Canyon 1329 Comment
  RSA756273  Camissonia pallida Michael Honer, Crissy Slaughter, Julie Love 2009-4-30 3297 Los Angeles Antelope valley; Along 170th Street West, appx. 1.5 mi. N of Highway 138. 805 Comment
  RSA774086  Camissonia pallida R. G. Swinney 2009-4-29 10562 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA0107284  Camissonia strigulosa R. G. Swinney 2011-5-10 14659 Los Angeles San Gabriel Mountains: Los Pinetos Canyon, east end of Placerita Cyn. Natural Area at Walker Ranch. 573 Comment
  SBBG61362  Camissoniopsis micrantha M. N. Ackley -Feb-1928 766 Los Angeles Eagle Rock 182 Comment
  RSA433116  Canbya candida Robert Gustafson, Gary D. Wallace 1982-4-26 2543 Los Angeles Bob's Gap Road, about 3 1/2 miles south of the junction with Pearblossom Hwy. 976 Comment
  RSA599203  Capsella bursa-pastoris L. C. Wheeler 1968-3-21 s.n. Los Angeles San Gabriel Mountains: Glendora Ridge Truck Trail. 701 Comment
  LA200309  Cardamine californica Carl Epling; 1934-12-12 2967 Los Angeles SANTA MONICA MOUNTAINS, La Sierra Canyon, near Seminole Hot Springs. 609 Comment
  SD113128  Cardamine californica Darley F. Howe 1915-3-1 23 Los Angeles San Dimas Canyon. Comment
  SEINET9370782  Cardaria draba Unknown 2010-7-21 Los Angeles Western Mojave Desert Comment
  SD232637  Cardaria pubescens A. C. Sanders, E. J. Lott 1993-5-6 13969 Los Angeles Mojave Desert: 13 miles N of Palmdale, Sierra Hwy at Ave F. 701 Comment
  CDA6815  Carduus nutans George Garrettson 1954-6-1 Los Angeles San Vicente Ranch, Walnut. 0 Comment
  CAS-BOT-BC17666  Carex alma Frank W. Peirson 1918-5-21 1636 Los Angeles San Gabriel Mountains. Arroyo Seco Canyon. Comment
  SEINET7549363 Image available Carex alma Louis C. Wheeler 1967-5-24 9732 Los Angeles San Gabriel Mountains. Indian Canyon, near mouth. 678 Comment
  CAS-BOT-BC21306  Carex fracta John Thomas Howell 1947-7-18 23424 Los Angeles San Gabriel Mountains. Big Pines. 2103 Comment
  CAS-BOT-BC21913  Carex heteroneura Robert F. Thorne 1971-8-25 41260 Los Angeles Lily Spring on NW slope of Mt. Hawkins. San Gabriel Mountains, Angeles National Forest. Comment
  RSA730289  Carex multicaulis R. G. Swinney 1998-8-5 6642 Los Angeles San Gabriel Mtns.: Prairie Fork, c. 250 m east of confluence with Vincent Gulch 1366 Comment
  RSA607973  Carex subfusca L. C. Wheeler 1968-7-21 s.n. Los Angeles San Gabriel Mountains: East Fork Alder Creek off Big Tujunga, at below Charlton Flat; future dam site. Comment
  RSA90858  Carex triquetra F. W. Peirson 1918-6-4 1635 Los Angeles Foothills east of Rubio Canyon 609 Comment
  CHSC26490  Carpenteria californica James Henrickson 1970-5-2 4659 Los Angeles Cultivated at Rancho Santa Ana Botanic Garden, Claremont. 381 Comment
  SBBG32136  Castilleja affinis R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -222 Los Angeles S of dam spillway, Middle Ranch Comment
  POM296954  Castilleja affinis Lyman D. Benson 1947-4-29 12344 Los Angeles Indian Hill, Claremont. Drainage Area: Pacific Slope 427 Comment
  RSA9686  Castilleja affinis Louis C. Wheeler 1932-4-2 550 Los Angeles Head of Mandeville Canyon, Santa Monica Mountains. 488 Comment
  CATA569  Castilleja affinis subsp. affinis Mark L. Hoefs 1991-3-19 1000 Los Angeles Santa Catalina Island: Airport road above Toyon Canyon 487 Comment
  JEPS57321  Castilleja affinis subsp. affinis L. R. Heckard 1968-5-12 1859 Los Angeles ca 2 air mi s Calabasas (Old Topange road just above its junction with Mulholland Avenue) 396 Comment
  UC1551894  Castilleja affinis subsp. affinis Lyman Benson 1947-4-29 12344 Los Angeles Indian Hill Blvd., Claremont; Claremont 426 Comment
  RSA425902  Castilleja applegatei subsp. martinii Robert Gustafson 1985-5-8 3112 Los Angeles San Gabriel Mts., Angeles National Forest, Sawpit Canyon, about 1 1/2 miles above reservoir. Comment
  RSA0060783  Castilleja foliolosa LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6807 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  SBBG51265  Castilleja foliolosa J. Doty 1969-5-16 Los Angeles Elizabeth Lake Cyn, 1.4 mi N of jct with Violin Cyn Rd, 7.7 mi N of Castaic Jct 396 Comment
  UCR147774  Castilleja foliolosa Valerie Soza, Et al. 2000-6-29 1046 Los Angeles Liebre Mountains, Knapp (Kelly) Ranch, Upper Cienega Canyon, off FS Road 7N22.1 976 Comment
  RSA400558  Castilleja foliolosa Fordyce Griffiths Jr. 1910-5-5 s.n. Los Angeles Arroyo Seco near Pasadena 366 Comment
  RSA262022  Castilleja grisea R. M. Beauchamp, T. Oberbauer 1975-8-23 22689 Los Angeles San Clemente Island: west Fork of Red Rock Canyon 275 Comment
  NY68087  Castilleja gyroloba F. W. Pennell 1940-4-18 25140 Los Angeles Route 99, near Oak Flat Camp. 853.4 Comment
  RSA670190  Castilleja linariifolia Ian Swift 2001-7-8 259 Los Angeles Intersection of Pine Canyon Road and Shake Canyon, 1159 Comment
  RSA226911  Castilleja miniata subsp. miniata Robert F. Thorne 1971-8-25 41255 Los Angeles San Gabriel Mountains, Angeles National Forest: Lily Spring on NW slope of Mt. Hawkins. Comment
  UCR159699  Castilleja miniata subsp. miniata Orlando Mistretta 1992-7-14 715 Los Angeles Transverse Ranges, San Gabriel Mtns: Gold Canyon Trail, Tujunga Ranger District Comment
  RSA756737  Castilleja minor subsp. spiralis R. G. Swinney 2008-6-24 9095 Los Angeles Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon. 244 Comment
  RSA776561  Castilleja minor subsp. spiralis Orlando Mistretta, Christine Mistretta 2010-6-15 5307 Los Angeles Transverse Ranges; San Gabriel Mountains region: Upper Big Tujunga Canyon; Lynx Gulch. Along Lynx Gulch Road, 0.68 road miles N of junction with Upper Big Tujunga Canyon Road. 1045 Comment
  POM17989  Castilleja plagiotoma Philip A. Munz 1923-5-27 6878 Los Angeles Big Rock Creek; San Gabriel Mts 1296 Comment
  JEPS81754  Castilleja pruinosa L. R. Heckard with Michael Morris 1976-6-13 4267 Los Angeles e flank Mt. Gleason; San Gabriel Mts. 1706 Comment
  RSA448605  Castilleja subinclusa subsp. subinclusa Francis W. Pennell 1940-4-18 25136 Los Angeles Route 99, sandstone slope, east of Gorman. 1128 Comment
  SD215668  Castilleja subinclusa subsp. subinclusa Steve Boyd, Timothy S. Ross 1997-3-21 9229 Los Angeles Liebre Mountains, Portal Ridge, upper Broad Canyon, ca. 1 mile east of VABM King and 1.2 miles east of the junction of Forest Service Roads 7N07 and 7N07A, along the ridgeline dividing Bleich Canyon and Broad Canyon 1195 Comment
  RSA0036424  Caulanthus amplexicaulis LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6980 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  SD181647  Caulanthus amplexicaulis Orlando Mistretta 1993-6-2 863 Los Angeles San Gabriel Mountains: Along road to Vincent Mine. 2009 Comment
  UCR190395  Caulanthus cooperi R. G. Swinney 2001-4-18 7901 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  UCR220216  Caulanthus cooperi R. G. Swinney 2009-4-2 10271 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.5 miles south of Hwy 138 on east side of Bob's Gap Road 1220 Comment
  CAS-BOT-BC41106  Caulanthus heterophyllus John H. Thomas 1957-4-27 6692 Los Angeles Santa Monica Mountains. Coastal hills, west side of mouth of Latigo Canyon, about 3 miles northwest of Point Dume. 152 Comment
  CAS-BOT-BC40219  Caulanthus lasiophyllus Robert F. Thorne; Arthur Charles Gibson 1971-5-22 39752 Los Angeles San Gabriel Mountains. Angeles National Forest. Fish Canyon. 396 Comment
  CAS-BOT-BC40220  Caulanthus lasiophyllus J. Ewan 1930-5-3 2354 Los Angeles Santa Monica Mountains. Near summit, Mount Hollywood. 505 Comment
  POM219993  Ceanothus arboreus F. R. Fosberg 1932-5-6 947 Los Angeles Santa Catalina Island. Mouth of Big Wash Canyon, Avalon. 20 Comment
  UC172816  Ceanothus arboreus George B. Grant and Walter Wheeler Apr 21-26 1904 148 -6146 Los Angeles Santa Catalina Island, Pacific Ocean, off southern California Comment
  UCR43332  Ceanothus cordulatus David Charlton 1986-6-15 222 Los Angeles San Gabriel Mtns, Lightning [=Blue?] Ridge at the intersection of Forest Rd. 3N06 and Angeles Crest Hwy, c. 4 mi NW of the San Bernardino Co. line and 5 mi NW of Wrightwood 2256 Comment
  CAS-BOT-BC48756  Ceanothus crassifolius Tim Ross; Orlando Mistretta 1993-5-26 7299 Los Angeles W end of the San Gabriel Mtns: southerly slope off the main E/W divide about midway 993 Comment
  RSA398869  Ceanothus crassifolius Unspecified 1936-5-12 20548 Los Angeles San Antonio Canyon. Comment
  RSA601947  Ceanothus cuneatus Louis C. Wheeler 1933-6-1 1867 Los Angeles Claremont. 381 Comment
  RSA660450  Ceanothus integerrimus Orlando Mistretta 1992-6-26 621 Los Angeles Transverse Ranges; San Gabriel Mts region: Glendora Saddle to Lookout Mountain. 1634 Comment
  RSA0097778  Ceanothus integerrimus var. macrothyrsus R. G. Swinney 2011-7-8 15492 Los Angeles San Gabriel Mountains: 'Strawberry Potrero'?, uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  CAS-BOT-BC50529  Ceanothus leucodermis John H. Thomas 1957-3-7 6493 Los Angeles South slope of San Gabriel Mts., near State Highway #2, angeles Crest Highway, about 3.5 miles north of La Canada. 914 Comment
  RSA399100  Ceanothus megacarpus Anstruther Davidson 1892-8-20 s.n. Los Angeles Wilson's Trail Comment
  SEINET13945998 Image available Ceanothus megacarpus Peter H. Raven 1959-1 13908 Los Angeles Gullies in chaparral and on open slopes; Las Flores Canyon 3.8 miles N of Coast Highway, elev 1800 ft. 34 deg. N, 118-119 deg. W 549 Comment
  RSA234632  Ceanothus megacarpus var. insularis Robert F. Thorne 1970-3-5 39365 Los Angeles Santa Catalina Island. N slope of Blackjack Mountain. 457 Comment
  SBBG32103  Ceanothus megacarpus var. insularis R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -177 Los Angeles just E of Wild Boar Gully, Salta Verde Comment
  UC398774  Ceanothus megacarpus var. insularis Katharine Brandegee 1916-1 Los Angeles Santa Catalina Island Comment
  LA32011  Ceanothus megacarpus var. megacarpus Henry J. Thompson; 1959-2-23 1853 Los Angeles SANTA MONICA MOUNTAINS, Castro Peak, Latigo Canyon Rd, 1.5 mi SE of Mulholland Hwy, W slope of Castro Peak. 609 Comment
  LA43648  Ceanothus oliganthus Zaitlin; 1951-3-17 sn Los Angeles Angelus Crest Hwy S Side 731 Comment
  RSA399732  Ceanothus oliganthus var. oliganthus Anstruther Davidson s.n. Los Angeles San Gabriel Mountains. Comment
  CHSC5097  Ceanothus palmeri M. MacArthur 1967-7-16 82 Los Angeles Charlton flat about 1 mi. from Angeles Crest Hwy., below parking area #12, Angeles National Forest, San Gabriel Mts. 1524 Comment
  RSA612039  Ceanothus spinosus Bill Campbell 1932-3-5 s.n. Los Angeles Los Alisos Canyon. Comment
  SD93161  Ceanothus spinosus Lucille Kempers 1955-2-15 235 Los Angeles Chaparral, Little Dalton Canyon, San Gabriel Mountains 609 Comment
  UC1071357  Ceanothus spinosus F. H. Raymond 1930-1-13 23 Los Angeles head Corral Canyon; Calabasas Quadrangle 426 Comment
  UCSB3979  Ceanothus spinosus Wedberg, H. 1958-2-22 Los Angeles About 5 miles W. of Beverly Glen Blvd. on Mulholland Drive, Santa Monica Mts. Comment
  OBI44915  Ceanothus vestitus David J. Keil, V. L. Holland, Michael Stile, and Francis Villablanca 1987-5-1 20065 Los Angeles San Gabriel Mts. Along Big Pine hwy W of Jackson Lake Comment
  CAS-BOT-BC272066  Centaurea melitensis Geo. B. Grant 1898-4-3 s.n. Los Angeles Pasadena Comment
  RSA0055981  Centaurea melitensis Richard G. Swinney 2010-5-25 12979 Los Angeles San Gabriel Mountains; just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  SD30657  Centaurea melitensis Edith A. Purer 1931-5-8 2054 Los Angeles Griffith Park Comment
  RSA628699  Centaurium venustum Louis C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island. 0.3 mile south southeast Isthmus Bench Mark. 122 Comment
  RSA750095  Centranthus ruber R. G. Swinney 2008-4-30 8700 Los Angeles Glendora, Big Dalton Canyon Rd., 1.7 mi. NE of Glendora Mtn. Road 473 Comment
  RSA601436  Centrostegia thurberi D. D. Keck, Palmer Stockwell 1935-5-16 3306 Los Angeles 1.5 mi. S of Palmdale. Comment
  RSA729789  Centrostegia thurberi R. G. Swinney 1998-6-12 6965 Los Angeles San Gabriel Mtns.: 3 miles west of Pinion Hills, 2.1 mi. south of Ft. Tejon Rd. at 237th St. East (Mescal Cyn. Rd.), 0.7 mi. NE of mouth of Mescal Canyon at reservoir, between Mescal Cyn. Rd. and Mescal Creek. 1378 Comment
  UCR282005  Centrostegia thurberi R. G. Swinney 2014-5-1 16323 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, east end of Holcomb Ridge, 2.2 road miles east of jct. of Bob's Gap Rd. and Panorama Rd., from base of ridge at Panorama Rd. to high point at 4519 ft. 1378 Comment
  POM50849  Centrostegia thurberi A. D. E. Elmer 1902-06 3679 Los Angeles Acton. Comment
  RSA586997  Centrostegia thurberi Orlando Mistretta 1992-5-8 300 Los Angeles San Gabriel Mountains: Little Rock Creek, slopes E of Little Rock Creek Reservoir. 1159 Comment
  UCD98854  Centrostegia thurberi Victor Duran 1933-5-23 3417 Los Angeles Near Lancaster. Comment
  RSA0039272  Cerastium glomeratum R. G. Swinney 2010-3-10 11795 Los Angeles Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes. 305 Comment
  UCR11937  Cerastium glomeratum H. J. Thompson 1959-11-23 3008 Los Angeles Western Transverse Range; Santa Monica Mtns., S shore of Upper Franklin Canyon Reservoir 259 Comment
  UCD98059  Cerastium glomeratum Frank W. Perison 1919-5-18 438 Los Angeles Monrovia Canyon, San Gabriel Mountains. 457 Comment
  RSA0098633  Ceratophyllum demersum R. G. Swinney 2010-9-7 13702 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  CAS-BOT-BC251520  Cercis occidentalis Camille F. Nowell 2012-6-28 40 Los Angeles At side of Mt. Baldy Road in San Gabriel Mountains 1151 Comment
  RSA660829  Cercocarpus betuloides LeRoy Gross, Ileene Anderson, Valerie Soza 2000-6-6 s.n. Los Angeles Verdugo Mountain, southwest side; North of Chandler Fire Road (Verdugo Mtwy), NW of La Tuna, above Chandler Canyon, south of La Tuna Canyon. 427 Comment
  UCR186921  Cercocarpus betuloides A. C. Sanders 2006-4-25 32181 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
  CAS-BOT-BC142148  Cercocarpus betuloides var. betuloides Roxana S. Ferris 1941-3-10 10326 Los Angeles Ridge west of U.S. Highway #99 near Pico Canyon Road 472 Comment
  CAS-BOT-BC142174  Cercocarpus betuloides var. betuloides Alice Eastwood 1919-6-20 9030 Los Angeles Mt. Wilson Comment
  RSA0092462  Cercocarpus betuloides var. betuloides R. G. Swinney 2011-11-3 15993 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre. 549 Comment
  RSA17897  Cercocarpus betuloides var. betuloides W. R. Dudley, F. H. Lamb 1896-6-8 4402 Los Angeles Kings Canyon, Liebre Mts. Comment
  RSA603193  Cercocarpus betuloides var. betuloides Louis C. Wheeler 1972-12-20 12788 Los Angeles San Gabriel Mountains: Cow Canyon Saddle 1372 Comment
  SBBG70714  Cercocarpus betuloides var. betuloides R. Hoffmann 1931-5-3 Los Angeles hills 3 mi E of Elizabeth Lake Comment
  LA88336  Chaenactis artemisiifolia O. H. Kappler; 1943-5-30 479 Los Angeles Santa Monica Mountains, Arroyo Sequit 213 Comment
  SD41999  Chaenactis fremontii Darley F. Howe 1947-5-4 Los Angeles Near Vincent, Western Mohave Desert. Comment
  SD234290  Chaenactis glabriuscula R. G. Swinney 2000-5-20 7695 Los Angeles San Gabriel Mtns.: NE of Azusa, 0.8 mi. north of San Gabriel Dam, ridge east of Polecat Gulch and north of Hwy 39. 755 Comment
  RSA0081201  Chaenactis glabriuscula var. glabriuscula Mitch Provance 2010-5-6 0510 -08 Los Angeles Tejon Ranch, c. 1.5 miles west of Neenach and 0.5 mi. SW of Hwy 138 crossing of Pacific Crest Trail. 960 Comment
  UCR270460  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2011-5-12 14678 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
  POM184672  Chaenactis glabriuscula var. glabriuscula Joseph A. Ewan 1932-5-30 7231 Los Angeles Mill Creek at Coldwater Creek junction; Tujunga Drainage Comment
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  RSA757821  Chaenactis glabriuscula var. orcuttiana Schmoker 2010-5-4 330 Los Angeles Sand Dune Park, City of Manhattan Beach, new undocumented population ca. 1.1 miles NW of CNDDB EO20, ca. 4.0 miles sse of EO21 42 Comment
  RSA765544  Chaenactis glabriuscula var. orcuttiana William Jones 2010-2-25 BOE- 1435 Los Angeles Ballona Lagoon, west bank- between Outrigger and Privateer Streets, Venice. 2 Comment
  PASA2195  Chaenactis santolinoides Margaret Stason 1931-6-13 Los Angeles Buckhorn flats, San Gabriel Mts. Comment
  UCR209620  Chaenactis santolinoides R. G. Swinney 2008-7-3 9149 Los Angeles San Gabriel Mtns., Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2345 Comment
  HSC104221  Chaenactis stevioides R. G. Swinney 2009-4-24 10458 Los Angeles Transverse Ranges; San Gabriel Mtns., Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  RSA316359  Chaenactis stevioides R. F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 54985 Los Angeles 2.5 miles S of Llano 1158 Comment
  RSA757325  Chaenactis stevioides Orlando Mistretta, Christine Mistretta 2008-4-4 2302 Los Angeles North of State Hwy 14 along Southern California Edison Transmission Line in the vicinity of Tuckerway Ranch Road (Segment 5, structure 57 per TRTP survey; 2008) 1137 Comment
  OBI28967  Chaenactis xantiana David J. Keil 1976-12-12 11889 Los Angeles 5 mi W of San Bernardino Co line along Calif rte 138 1128 Comment
  POM11706  Chaenactis xantiana P. A. Munz 1921-6-18 4647 Los Angeles San Antonio Mountains, head of Swartout Valley. 2072 Comment
  RSA497609  Chaenactis xantiana A. C. Sanders, Barbara Pitzer, J. C. Lyman 1988-4-4 7746 Los Angeles Mojave Desertr, near Quartz Hill in Lancaster, S of Ave, at 37th Street West 747 Comment
  RSA697024  Chaenactis xantiana LeRoy Gross, P. Morton 2004-6-9 1340 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
  UCR166089  Chaenactis xantiana Dat Tien 2004-5-1 s.n. Los Angeles Western Mojave Desert, Antelope Valley, c. 9 mi NE of Littlerock and c. 4 mi west of Lake Los Angeles (housing development) 884 Comment
  RSA499082  Chamaesyce albomarginata L. C. Wheeler 1934-2-17 2383 Los Angeles Puddingstone Canyon, San Jose Hills. 213 Comment
  RSA611359  Chamaesyce albomarginata Lauren Raz, S. D. Boyd, Mike Kinney 1998-3-17 188 Los Angeles Liebre Mountains region: Lower Leona Valley, southeastern end of Ritter Ridge and adjacent wash of Amargosa Creek, north of Elizabeth Lake Road., Near 34 degrees 35' 05''N 118 degrees 10' 40''W 853 Comment
  RSA435997  Chamaesyce maculata George B. Grant 1904-9-2 6417 Los Angeles Pasadena Comment
  RSA599236  Chamaesyce melanadenia L. C. Wheeler 1968-3-21 s.n. Los Angeles Foothills; Brown School for Girls, vicinity of stables. 335 Comment
  RSA737490  Chamaesyce melanadenia D. E. Bramlet 2007-7-13 4110 Los Angeles La Verne. 152 m North of Baseline, 1.37km west of Live Oak Cyn Road & 1.28km east of Marshall Creek. Comment
  SFV16099  Chamaesyce melanadenia J. M. Kneitel 1995-4-28 39 Los Angeles San Gabriel Mountains Kagel Canyon. Dexter Park. 425 Comment
  RSA432391  Chamaesyce melanadenia Anonymous 1918-06 s.n. Los Angeles W. Hollywood. Comment
  RSA571803  Chamaesyce melanadenia Jerome S. Horton 1941-3-25 574 Los Angeles 2 miles W. of Johnston Peak. 518 Comment
  RSA737844  Chamaesyce serpens LeRoy Gross 2008-9-1 3574 -a Los Angeles Yard in La Verne, off Brassie Street, east of Esperanza Drive. Northeast of Live Oak Reservoir. 396 Comment
  RSA603394  Chamaesyce serpens L. C. Wheeler 1975-5-11 s.n. Los Angeles Hacienda Heights: 7th Avenue and Pomona Freeway. Comment
  RSA679922  Cheilanthes covillei LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 931 Los Angeles Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1). 1631 Comment
  RSA613608  Cheilanthes covillei L. C. Wheeler 1968-4-26 s.n. Los Angeles San Gabriel Mountains: Quail Springs, Maher Canyon. 1280 Comment
  UCR204033  Chenopodium R. G. Swinney 2001-9-16 8157 Los Angeles San Gabriel Mountains, 100 m east of Little Jimmy Spring Canyon, south Fork, south of Hwy 2, 0.6 mi due east of Mt. Islip and c. 2 mi north of Crystal Lake 2207 Comment
  RSA0115755  Chenopodium berlandieri R. G. Swinney 2011-3-29 14278 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
  SFV21094  Chenopodium berlandieri L. Gross, V. Soza, N. Gilbert 2000-10-18 275 Los Angeles Verdugo Mountains Saddle where Stough Canyon Mountainway and Verdugo Mountainway meet. Roadside near above coordinates. 610 Comment
  UC1595401  Chenopodium berlandieri Tim Ross and Annette H. Ross 1991-7-29 5688 Los Angeles Elephant Hill San Dimas USGS 7.5' quad., Puente Hills, W Pomona (sw side, hill in n-most point of Puente Hills) 316 Comment
  UCR203226  Chenopodium berlandieri R. G. Swinney 2005-7-21 8322 Los Angeles San Gabriel Mountains, Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  UCR280508  Chenopodium berlandieri R. G. Swinney 2014-5-13 16497 Los Angeles San Gabriel Mountains, Glendora, west fork of Hook Cyn., c. 0.4 km north of Sierra Madre Av., 100-300 m west of entrance to Church of the Open Door, Colby Fire burn of Jan. 2014 354 Comment
  RSA702816  Chenopodium botrys Scott D. White 2004-8-20 10727 Los Angeles Upper Big Tujunga Canyon. West of Upper Big Tujunga Cyn Rd, ca. 2 air miles N of jtn w/ Angeles Crest Hwy. 1067 Comment
  RSA624125  Chenopodium botrys L. C. Wheeler 1936-7-4 4213 Los Angeles 1 mile northeast of Glendora 304 Comment
  CDA1012  Chenopodium californicum D. G. Kelch 1991-3-17 1323 Los Angeles Santa Catalina Is.; 1.5 km N of Avalon. 0 Comment
  RSA478473  Chenopodium californicum I. W. Clokey 1930-5-13 s.n. Los Angeles Bouquet Canyon. Comment
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Sep 24 2007
  SEINET954681  Chenopodium californicum David Charlton 1989-1 2829 Los Angeles San Gabriel Mountains (northwest). Soledad Pass, Kentucky Springs development, 1 mile south of Highway 14 on Angeles Forest Highway (N-3), about 5 miles (airline) south of Palmdale. 1036 Comment
  RSA64807  Chenopodium californicum F. W. Peirson 1919-5-26 348 Los Angeles New York Ave. in the Rubio Wash, Altadena. Comment
  RSA0106508  Chenopodium fremontii R. G. Swinney 2011-7-29 15577 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  UCD169516  Chenopodium fremontii R. G. Swinney 2008-8-13 9397 Los Angeles San Gabriel Mtns., Big Rock Creek, 1.0 mi. east of Fenner Canyon. 1793 Comment
  RSA478534  Chenopodium murale Blanche Trask 1900-1 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  RSA529902  Chenopodium pratericola T. S. Ross 1991-8-16 5808 Los Angeles Colby Canyon 1064 Comment
  SEINET4565666  Chloris gayana P. Kennedy 1920-7-31 3529 Los Angeles Los Angeles Comment
  IRVC26198  Chlorogalum pomeridianum A. C. Sanders, Mark A. Elvin 2003-6-18 26952 Los Angeles around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon Santa Susana Mountains, Western Transverse Range 1037 Comment
  LA82376  Chlorogalum pomeridianum O. H. Kappler; 1941-6-15 306 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UCD138443  Chlorogalum 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
  RSA549598  Chorizanthe brevicornu var. brevicornu Tim S. Ross 1992-4-4 6062 Los Angeles Three Sisters: SW Mojave Desert, 1 mile SE of Back Butte; middle butte of the three. 969 Comment
  CAS-BOT-BC252764  Chorizanthe parryi var. fernandina H. E. Hasse 1893-6-30 69 Los Angeles Newhall Comment
  SD60245  Chorizanthe spinosa Ralph Hoffman 1930-5-19 Los Angeles gravelly washes running into southeastern side of Muroc Lake, northwestern Los Angeles County Comment
  CAS-BOT-BC244802  Chorizanthe staticoides Samuel B. Parish 1887-6-1 1999 Los Angeles Plants of Southern California Comment
  CHSC95414  Chorizanthe staticoides LeRoy Gross 2001-5-28 414 Los Angeles Los Angeles Basin region: Verdugo Mountains, mortheast side; Start from dead end street Mesa Lila Road, in city of Verdugo City. Along ridge between Henderson and Engleheard Canyons. 549 Comment
  RSA646973  Chorizanthe staticoides LeRoy Gross, Laura Moore, Debby Zygielbaum, Ron Burchet 2000-6-8 241 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 727 Comment
  RSA777363  Chorizanthe staticoides Orlando Mistretta, Christine Mistretta 2010-5-19 5112 Los Angeles Aliso Canyon; approximately 1.75 mile NW of the intersection of Aliso Cyn and the Angeles Forest Hwy. 1103 Comment
  RSA9703  Chorizanthe staticoides Louis C. Wheeler 1932-4-30 668 Los Angeles Mandeville Canyon, Santa Monica Mtns. 152 Comment
  SEINET5204236  Chorizanthe staticoides Unknown 3689 Los Angeles Acton Comment
  UCR256187  Chrysolepis sempervirens R. G. Swinney 2010-9-23 13879 Los Angeles San Gabriel Mountains, summit of Middle Hawkins Peak on Hawkins Ridge 2593 Comment
  POM351982  Chrysothamnus nauseosus subsp. hololeucus Norman C. Cooper 1943-11-20 973 Los Angeles Lancaster. Mojave Desert 762 Comment
  UC1186520  Chylismia claviformis subsp. claviformis E. G. Linsley and J. W. MacSwain 1960-5-6 60 -55 Los Angeles 20 mi w Lancaster Comment
  CAS-BOT-BC280038  Cirsium mohavense T. C. Fuller 1958-8-6 2083 Los Angeles Adj to r.r., 4 mi N/Lancaster Comment
  UC187601  Cirsium occidentale var. occidentale Katharine Brandegee May 17 1916-May 25 1916 Los Angeles Santa Catalina Island Comment
  UC485368  Cirsium occidentale var. occidentale unknown 1903-6-22 Los Angeles Laurel Canon Comment
  UCR104183  Cirsium vulgare Scott D. White 1997-5-21 5189 Los Angeles San Gabriel Mtns., San Gabriel River Canyon: north of Azusa, parallel to Hwy 39, along unnamed dirt access road to gauging station below Morris Dam 290 Comment
  RSA155837  Cirsium vulgare Peter H. Raven 1962-7-14 18046 Los Angeles Weed in the Botanic Garden, Claremont. 320 Comment
  CAS-BOT-BC223891  Cistus incanus Timothy S. Ross; Steve Boyd 1990-5-15 2526 Los Angeles San Gabriel Mountains. Yerba Buena Ridge, Tujunga Ranger District, Angeles National Forest; peripheral ridge N from Yerba Buena Rd dividing tributaries of Oak Spring Canyon (W) and Boulder Canyon (N). In areas closer to the road (3N29) 1021 Comment
  LA45531  Clarkia bottae Carl Epling; 1925-4-25 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  LA82396  Clarkia bottae O. H. Kappler; 1941-6-2 41 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  SFV15491  Clarkia bottae E. J. Spencer 1992-5-14 6 Los Angeles Santa Monica Mountains Topanga Canyon Road, 1.2 miles south of Muholland Drive. 366 Comment
  SEINET4143378  Clarkia bottae K. Brandegee, E. Braunton 124 Los Angeles Elysian Park, Los Angeles Comment
  SBBG119276  Clarkia cylindrica subsp. cylindrica O. Mistretta 1995-6-23 1843 Los Angeles Lookout Mtn Trail 1630 Comment
  CAS-BOT-BC172103  Clarkia dudleyana Raymond J. Dobbs 1927-6-28 s.n. Los Angeles Fire break near Smilzer's, San Gabriel Mts. 624 Comment
  RSA458848  Clarkia dudleyana G. R. Johnstone 1930-6-15 s.n. Los Angeles Indio Canyon near Ravenna 762 Comment
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Nov 8 2011
  RSA590342  Clarkia epilobioides Tim S. Ross 1993-4-21 6856 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak; slope and small ridges N of Cactus peak summit. 427 Comment
  RSA600192  Clarkia purpurea subsp. quadrivulnera Steve Boyd, Lauren Raz 1997-5-29 9906 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail, at point where trail crosses side drainage originating on ridge forming divide with Gookins Dry Lake. 1098 Comment
  SBBG118132  Clarkia purpurea subsp. quadrivulnera F. R. Fosberg 1931-4-23 4696 Los Angeles Hay Press [Haypress] 350 Comment
  SD69011  Clarkia purpurea subsp. quadrivulnera Robert F. Thorne, D. Propst 1968-5-29 Los Angeles Santa Catalina Island. Upper Cape Canyon below reservoir. 305 Comment
  UC58869  Clarkia purpurea subsp. quadrivulnera Ernest Braunton 1902-6-4 401 Los Angeles n side Griffith Park Comment
  RSA0091867  Clarkia purpurea subsp. quadrivulnera Steven A. Junak, Ralph N. Philbrick, Mark Hoefs 2001-5-19 SCa- 1572 Los Angeles Santa Catalina Island. Along Black Jack Road, ca. 0.15 mile from junction with Airport Road, ca. 0.34 mile N of Black Jack summit, on N side of ridge below Black Jack Peak. 402 Comment
  UCR192886  Clarkia rhomboidea R. G. Swinney 1998-7-10 6354 Los Angeles San Gabriel Mtns., Prairie Fork, 300 m west of Cabin Flats Campground 1598 Comment
  RSA15529  Clarkia unguiculata Carl B. Wolf 1928-5-11 2180 Los Angeles So. base of Newhall Grade. Comment
  RSA681344  Clarkia unguiculata LeRoy Gross, Bill Hogshead, Valerie Soza 2003-5-29 949 Los Angeles West end of the mountains: At junction (saddle) of Verdugo motorway and Wildwood Fire Road (Abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago)., We went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Mortorway) Basically a triangle. 564 Comment
  UCR88512  Clarkia unguiculata Scott D. White, Chet McGaugh 1995-5-9 3025 Los Angeles Transverse Range; Eastern Santa Susana Mtns, just west of San Gabriel Mtns: 'Sunshine Canyon' (name not shown on topo): west of San Fernando Road and Hwy I-5 Fwy, just SW of interchange with State Route 14. Sunshine Canyon Landfill property, site proposed for landfill expansion 488 Comment
  RSA0059955  Clarkia unguiculata Karin Palmer 1981-5-26 34 Los Angeles 50 yds. west of Mt. Baldy Rd. 2.8 mi. north of Padua Ln. & Mt. Baldy Rd. junction. Comment
  SD215589  Clarkia xantiana subsp. xantiana Steve Boyd, Lauren Raz 1997-5-28 9831 Los Angeles Southwestern flank of Liebre Mountain on the northwest-facing slope of Cold Canyon just past the pointwhere Forest Service Road 7N22 crosses the stream. 1219 Comment
  RSA725141  Claytonia parviflora subsp. parviflora Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 62 A Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. 1444 Comment
  UCR271593  Claytonia parviflora subsp. viridis R. G. Swinney 2011-5-19 14783 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
  RSA0080466  Claytonia peirsonii subsp. peirsonii Orlando Mistretta 1987-5-13 s.n. Los Angeles Angeles National Forest, San Gabriel Mountains; Head of Delker Canyon along trail 7W08 immediately east of Kelly's Camp. 2409 Comment
  CATA1558  Claytonia perfoliata Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-4 2825 Los Angeles Santa Catalina Island: Hillside above New York Harbor 54 Comment
  UCR16642  Claytonia perfoliata R. D. Keys 1973-4-29 s.n. Los Angeles San Gabriel Mountains, Glendora Ridge Road, 0.5 mile east of junction with Glendora Mountain Road, Angeles National Forest 1037 Comment
  RSA580978  Claytonia perfoliata Catherine A. Mish 1995-3-4 17 Los Angeles Santa Monica Mtns, Caballero Cyn. 1.0 km from trailhead. 380 Comment
  POM246461  Claytonia perfoliata subsp. mexicana F. R. Fosberg 1931-4-1 S 4435 Los Angeles Santa Catalina Island. Hamilton Canyon near Avalon 40 Comment
  RSA0093119  Claytonia perfoliata subsp. mexicana Richard G. Swinney 2011-3-26 14197 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 Canyon. 476 Comment
  SBBG31339  Claytonia perfoliata subsp. mexicana R. F. Thorne 1966-4-7 Los Angeles Cherry Valley 60 Comment
  RSA787526  Claytonia perfoliata subsp. perfoliata Jane Tirrell, Graham Bothwell, Walter Fidler, Thomas Stoughton 2012-5-15 LS 0044 Los Angeles 50 meters above California State Route 2 near mile marker 66.28, Little Jimmy Springs area 2292 Comment
  SBBG127080  Claytonia rubra subsp. rubra A. Parikh, N. Gale 2011-6-28 3519 Los Angeles upper Big Tujunga Cyn, 0.1 km SW of Shortcut Station, 0.5 km N of St Hwy 2; San Gabriel Mtns 1280 Comment
  RSA386219  Clematis lasiantha A. Menke 1955-4-23 s.n. Los Angeles Side canyon of San Francisquito Canyon. Comment
  UCR190542  Clematis lasiantha R. G. Swinney 2000-6-19 7827 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  RSA386264  Clematis ligusticifolia Ora M. Clark 1929-10-14 1210 Los Angeles Along San Antonio River. Comment
  SBBG107471  Clematis ligusticifolia S. L. Crockett, M. L. Hoefs, S. A. Junak, G. Allan 1996-10-31 554 Los Angeles jct of lower Cave Cyn and Middle Cyn Comment
  UCR129379  Clematis ligusticifolia Orlando Mistretta 1994-9-13 1469 Los Angeles San Gabriel Mtns, Santiago Canyon, Santiago Creek near junction of Forest Service Road 4N20 and BM 3980 1213 Comment
  RSA592784  Cleome isomeris Steve Boyd 1996-4-25 8682 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
  RSA440799  Cleome isomeris G. J. Hollenberg 1928-7-30 s.n. Los Angeles El Segundo. Comment
  UC729472  Cleomella obtusifolia Carl B. Wolf 1932-9-15 Los Angeles 2 blocks w center of town of Lancaster; Mojave Desert, Antelope Valley 718 Comment
  CATA1796  Clinopodium douglasii Benjamin E. Carter 2012-8-23 6980 Los Angeles Santa Catalina Island: Middle Ranch Canyon, at Pump Station 2 309 Comment
  UCR190034  Collinsia childii R. G. Swinney 1998-6-16 6972 Los Angeles San Gabriel Mtns., c. 0.6 mi. north of Cow Canyon Saddle (Glendora Ridge Rd. at Cow Canyon Rd.) near trail to Lookout (Antonio) Mtn. 1524 Comment
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May 2 2012
  JEPS28816  Collinsia heterophylla Peter H. Raven 1962-4-12 17730 Los Angeles w side San Clemente Island (sides of narrow canyon s of canyon below the Tomb) 228 Comment
  POM199770  Collinsia heterophylla I. W. Clokey, Bonnie C. Templeton 1929-05 4461 Los Angeles Mandeville Canyon. 550 Comment
  UC56996  Collinsia heterophylla H. M. Hall May 1902 Los Angeles Southern California, Sierra Santa Monica Santa Monica; Southern California, Sierra Santa Monica Comment
  UCR17877  Collinsia parryi J. T. Howell 1928-5-6 s.n. Los Angeles San Gabriel Mtns, Big Santa Anita Canyon: East Fork Trail 854 Comment
  RSA0117354  Collinsia parryi R. S. Woglum 1942-5-20 3330 Los Angeles Transverse Ranges: Angeles Crest Highway; San Gabriel Mountains; Angeles National Forest. Comment
  RSA230752  Collinsia torreyi var. wrightii Robert F. Thorne, M. Z. Thorne 1969-7-9 38536 Los Angeles San Gabriel Mountains, Angeles National Forest: meadow at Big Pines 2088 Comment
  RSA412252  Collinsia torreyi var. wrightii Anstruther Davidson 1906-6-7 1489 Los Angeles Big Rock Creek. 2134 Comment
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May 14 2013
  SD140113  Colutea arborescens Dennis Kucera 1992-6-4 92 1 Los Angeles San Gabriel Mountains, Santa Anita Canyon, junction of Sturdevant Falls Trail & the trail to Sturdevant Camp & Mt. Wilson, canyon floor in alluvium in shade or in full sun 548 Comment
  SFV21106  Conium maculatum L. Gross, N. Fraga, B. Hogshead, A. Virgen 2003-6-19 1107 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. South of Hostetter Motorway (on the Thomas Guide) just off La Tuna Canyon Road, south or and you can see the 210 Freeway. 457 Comment
  UCR205063  Conium maculatum R. G. Swinney 2008-4-4 8609 Los Angeles San Gabriel Mtns., lower Ham Canyon where it runs through San Dimas Golf Course, just above confluence with San Dimas Wash 366 Comment
  RSA202470  Convolvulus arvensis R. L. Armacost 1963-6-10 1674 Los Angeles SMCC campus weed, Santa Monica Comment
  RSA659446  Convolvulus arvensis Monica Acosta 1998-5-22 14 Los Angeles The Center for Regenerative Stuedies, South of California State Polytechnic University. (Cal Poly Pomona) 225 Comment
  RSA0084751  Cordylanthus rigidus A. C. Sanders, Mark A. Elvin, Dave Fleitner 2003-8-6 27125 Los Angeles Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters. 320 Comment
  LA200187  Coreopsis gigantea Leo Boyd; 1953-3-31 sn Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  UCR143403  Coreopsis gigantea F. R. Fosberg 1931-3-27 S- 4420 Los Angeles Channel Islands, Pebble Beach Road, Santa Catalina Island 50 Comment
  OBI49597  Corethrogyne filaginifolia David J. Keil 1986-9-27 19737 -2 Los Angeles NW Los Angeles County. along I-5, just S of Hungry Valley rd exit. Roadside pullout 914 Comment
  POM356121  Corethrogyne filaginifolia H. E. Hasse 1899-7-30 s.n. Los Angeles Bluffs near Ballona Comment
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Jul 18 2010
  POM356132  Corethrogyne filaginifolia Freda Detmers 1932-11-27 s.n. Los Angeles 3 miles N of mouth of Topanga Canyon. Comment
  RSA0107700  Corethrogyne filaginifolia R. G. Swinney 2011-10-18 15847 Los Angeles San Gabriel Mountains: 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2. 1021 Comment
  RSA455879  Corethrogyne filaginifolia M. Bisbee 1917-9-15 s.n. Los Angeles Hills north of Eagle Rock Comment
  UCR224011  Corethrogyne filaginifolia Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11674 Los Angeles Transverse Ranges; Verdugo Mountains region, Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  RSA587182  Cortaderia selloana Scott D. White 1995-12-5 3760 Los Angeles Marina Del Rey area; State Rt. 90 median strip between Culver Bl. and Mindanao Way. 5 Comment
  SD253380  Cotula australis R. G. Swinney 2011-3-26 14222 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 Canyon (Glendora 7.5'Q) 476 Comment
  CAS-BOT-BC287266  Cotula australis Elizabeth McClintock 1961-11-25 s.n. Los Angeles Northridge, NW part of San Fernando Valley Comment
  CATA106  Cotula coronopifolia Peter Henrikson 1987-4-23 79 Los Angeles Santa Catalina Island: Lower Middle Canyon 45 Comment
  CATA3247  Crassula connata Amy Catalano 2017-2-15 004 Los Angeles Santa Catalina Island: Middle Ranch, roadside between driveway to house #104 and house #103 171 Comment
  UCR259645  Crassula connata R. G. Swinney 2010-4-1 12128 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  RSA0073146  Crassula connata var. connata R. F. Thorne, James Hendrickson 1963-5-5 32307 Los Angeles Open, burned-over ridge top, Cobal Canyon, foothills of San Gabriel Mts. 4 mi. North of Claremont 518 Comment
  RSA4830  Cressa truxillensis James Snow 1932-1 s.n. Los Angeles Plants of the Bryant Ranch, near Long Beach. Collected for correlation with a soil survey by the Association Laboratory, Anaheim. Station #1, Plant #1. Comment
  UC520251  Crocanthemum scoparium var. vulgare Carl Epling, N. Dunn 1931-5-30 Los Angeles Los Alisos Canyon Santa Monica Mountains Comment
  POM155646  Crossosoma californicum D. Meadows 1927-12-4 305 Los Angeles Avalon, Santa Catalina Island. Comment
  RSA397732  Crossosoma californicum Reid V. Moran 1941-2-25 611 Los Angeles At Wilson's Harbor [Emerald Bay?], north side of Catalina Island Comment
  SBBG106909  Crossosoma californicum M. L. Hoefs, R. F. Thorne 1996-4-6 2646 Los Angeles Renton Mine Rd 243 Comment
  UC454975  Crossosoma californicum I. J. Condit 1908-6-29 Los Angeles Catalina Island Comment
  SBBG44378  Croton californicus G. Sphon, D. Hearn 1956-5-30 8 Los Angeles Black Butte Comment
  UC520023  Croton californicus Joseph Andorfer Ewan 1932-5-19 7546 Los Angeles along base of hills near power house; Playa del Rey Comment
  RSA0113589  Croton californicus Henry J. Ramsey, Henry J. Ramsey 1938-1-2 1363 Los Angeles North Craig Ave., Altadena. Comment
  SEINET9458572  Croton californicus E. B. Babcock 1902-1 s.n. Los Angeles Near Pomona. Comment
  CAS-BOT-BC189388  Cryptantha circumscissa Robert F. Thorne; C. W. Tilforth 1973-4-20 43104 Los Angeles San Gabriel Mountains, Mojave desert slope, San Bernardino National Forest: Mormon Rocks and Cajon Canyon 1036 Comment
  RSA3732  Cryptantha clevelandii var. florosa C. B. Wolf 1932-5-10 3522 Los Angeles Equestrian trail back of Avalon. Santa Catalina [Island]. 244 Comment
  POM368367  Cryptantha clevelandii var. florosa F. R. Fosberg 1931-5-4 707 Los Angeles Second bridge below Eagles Nest Middle Ranch Canyon, Santa Catalina Island 160 Comment
  SEINET4206984  Cryptantha clevelandii var. florosa F. R. Fosberg 1931-3-24 S 4350 Los Angeles Santa Catalina Island.; 0 30 Comment
  POM368247  Cryptantha intermedia Jack Rempel 1932-4-24 15250 Los Angeles El Segundo. Comment
  RSA653858  Cryptantha intermedia Valerie L. Soza, LeRoy Gross, Adelina Munoz 2000-5-12 889 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
  RSA702092  Cryptantha intermedia Scott D. White, Pam De Vries 2004-5-18 10423 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
  UC1584224  Cryptantha micrantha Tim Ross and Steve Boyd 1990-5-17 2598 Los Angeles Mill Creek Tree Plantation San Gabriel Mts., Angeles National Forest, Tujunga District 1612 Comment
  RSA632940  Cryptantha microstachys Valerie L. Soza, Kent Hughes 1999-6-17 538 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail at San Olene Canyon. 732 Comment
  RSA748581  Cryptantha microstachys Scott D. White, Justin M. Wood 2009-5-6 12639 Los Angeles San Gabriel River- West fork between Bear Creek and Cogswell Dam. 549 Comment
  UCR177142  Cryptantha microstachys L. C. Wheeler 1967-5-8 9332 Los Angeles San Gabriel Mtns, Liebre Mtns, north side of northwesternmost end of foothills (of San Gabriel Mtns) between Bouquet Junction and Bonelli Ranch 396 Comment
  UC1584216  Cryptantha muricata Tim Ross and Steve Boyd 1990-5-17 2582 Los Angeles Mill Creek Tree Plantation San Gabriel Mts., Angeles National Forest,, Tujunga District 1612 Comment
  UCSB5566  Cryptantha muricata Wedberg, H. 1958-7-3 Los Angeles Crystal L., San Gabriel Mtns. Comment
  UCR47676  Cryptantha muricata var. denticulata F. R. Fosberg 1932-6-8 10632 Los Angeles San Gabriel Mtns., head of Lone Pine Canyon 1875 Comment
  RSA0079586  Cryptantha muricata var. muricata H. J. Thompson 1959-4-12 1928 Los Angeles Santa Monica Mountains, 2 miles west of Las Virgenes Road, Mulholland Highway. 305 Comment
  RSA499745  Cryptantha nevadensis var. rigida Robert Gustafson 1977-4-20 417 Los Angeles Fort Tejon Road, south of Littlerock, about 1.5 miles east of the junction with 82nd St. 976 Comment
  UCR255802  Cryptantha nevadensis var. rigida R. G. Swinney 2010-5-12 12739 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
  RSA80746  Cryptantha oxygona A. J. Barton 1934-3-11 11104 Los Angeles Antelope Buttes, 14 miles west of Lancaster, Mojave Desert. Comment
  UCR222729  Cryptantha pterocarya var. pterocarya R. G. Swinney 2009-5-12 10719 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge 1463 Comment
  RSA0079118  Cryptantha pterocarya var. pterocarya T. S. Ross, J. M. Porter 1994-5-1 7601 Los Angeles Southwestern Mojave Desert: Open desert ca. 1870 m SW of Three Sisters buttes, along Black Butte Basin Road. 961 Comment
  RSA0079166  Cryptantha pterocarya var. purpusii LeRoy Gross 2005-4-28 2161 a Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.)., East of Mt. Emma Road. Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  RSA0079329  Cryptantha pterocarya var. purpusii Barry Burnell 1970-4-24 187 Los Angeles San Gabriel Mts.: 3.2 miles south of Highway 138 on N4. 1371 Comment
  RSA733079  Cryptantha similis R. G. Swinney 2001-4-18 7910 Los Angeles Mojave Desert: Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road. 1244 Comment
  POM78954  Cryptantha simulans I. M. Johnston 1925-7-8 5298 Los Angeles Middle Fork Bear Creek along Lookout Trail. 2011 Comment
  SEINET10625790  Cucumis sativus Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3764 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  RSA0091661  Cucurbita foetidissima Bonnie C. Templeton 1967-7-23 10143 Los Angeles Whitney Canyon. 427 Comment
  RSA747101  Cupaniopsis anacardioides A. C. Sanders, T. B. Salvato 2009-5-19 36814 Los Angeles Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center. 110 Comment
  LA201638  Cupressus forbesii Arthur C. Gibson; 2004-1-6 4999 Los Angeles 259 Comment
  SD237411  Cuscuta californica A. C. Sanders, Mitch Provance, T. G. Salvato 2009-6-1 37089 Los Angeles San Gabriel Valley: west edge of I-605 and c. 1 mile west of the center of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte. 139 Comment
  UCR281348  Cuscuta californica R. G. Swinney 2014-4-24 16190 Los Angeles San Gabriel Mountains, NE of Valyermo, wash and plateau at north end of Bob's Gap, 3.1-3.6 miles south of Hwy. 138, c. 0.2 miles east of Bob's Gap Rd., east of Bob's Gap Wash 1293 Comment
  UCR48945  Cuscuta californica A. C. Sanders 1987-7-22 7173 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  CAS-BOT-BC224487  Cuscuta californica John Thomas Howell 1931-6-6 6661 Los Angeles Big Tijunga [Tujunga] Wash Comment
  RSA409765  Cuscuta campestris E. A. Purer, Freda Detmers 1931-4-28 s.n. Los Angeles Redondo Beach Comment
  UCR178888  Cuscuta subinclusa R. G. Swinney 1989-7-31 s.n. Los Angeles San Gabriel Mtns., Glendora, Colby Fire Break c. 100 yds. south of Glendora Mtn. Rd. 473 Comment
  RSA714991  Cyclospermum leptophyllum A. C. Sanders 2003-5-26 26847 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
  UCR25127  Cyclospermum leptophyllum John C. Roos 1951-8-1 5079 Los Angeles Los Angeles, [near Westwood Village] Overland Ave. near Santa Monica Blvd. 61 Comment
  UCD169558  Cylindropuntia californica var. parkeri R. G. Swinney 2009-7-1 11294 Los Angeles Transverse Range; San Gabriel Mtns., Puddingstone Diversion Dam, San Dimas Canyon. 354 Comment
  UCR223316  Cylindropuntia californica var. parkeri R. G. Swinney 2009-7-1 11294 Los Angeles Transverse Range; San Gabriel Mtns., Puddingstone Diversion Dam, San Dimas Canyon 354 Comment
  SFV12471  Cylindropuntia prolifera M. H. Grayum, D. L. Koutnik 1978-3-6 973 Los Angeles Palos Verdes Pensinsula. On steep, coastal bluffs between Point Fermin and White's Point. Comment
  SBBG112830  Cynara cardunculus S. A. Junak with M. L. Hoefs, K. Kirkland 1998-7-16 SCa 757 Los Angeles upper end of salina at mouth of Cherry Cyn 3 Comment
  CATA1519  Cyperus eragrostis Mark L. Hoefs, Steven A. Junak 1996-7-9 2737 Los Angeles Santa Catalina Island: By Lower Cape Canyon Reservoir, Cape Canyon 237 Comment
  UCD169669  Cyperus erythrorhizos Louis C. Wheeler 1967-9-18 s.n. Los Angeles Los Angeles River at Los Feliz Blvd. 116 Comment
  CAS-BOT-BC114304  Cyperus esculentus Louis C. Wheeler 1932-9-19 1397 Los Angeles Damp silt in sun, Los Angeles R. at Los Feliz Blvd. 121 Comment
  RSA782806  Cyperus odoratus A. C. Sanders, Dan S. Cooper 2010-8-5 38539 Los Angeles Madrona Marsh Preserve, Torrance 24 Comment
  CAS-BOT-BC113961  Cyperus odoratus Ernest Braunton 1902-7-1 578 Los Angeles LA River Comment
  RSA0080647  Cystopteris fragilis R. G. Swinney 2010-8-9 13483 Los Angeles Big Santa Anita Canyon, just below (downstream from) Spruce Grove Campground 915 Comment
  RSA773303  Cystopteris fragilis R. G. Swinney 2009-6-3 11055 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  POM364990  Dactylis glomerata Geo. L. Moxley 1917-5-19 541 Los Angeles 3900 block South Hobart Blvd. Comment
  CHSC35492  Datisca glomerata James Henrickson 1973-6-23 10915 Los Angeles Santa Monica Mts., Topanga Canyon, 3/4 mile N of Topanga P.O. along old Topanga Canyon Road. 243 Comment
  UCD126626  Datura stramonium Louis C. Wheeler 1973-6-15 s.n. Los Angeles Between San Diego (405) Fwy and Sepulveda Blvd., just east of Alameda St. Comment
  CATA267  Datura wrightii Mark L. Hoefs 1973-5-14 275 Los Angeles Santa Catalina Island: Upper Avalon Canyon 60 Comment
  POM4182  Datura wrightii D. L. Crawford 1915-07 s.n. Los Angeles Claremont. Comment
  RSA596739  Datura wrightii Louis C. Wheeler 1966-10-23 9053 Los Angeles San Gabriel Mountains. Kentucky Springs. Comment
  SBBG38677  Daucus pusillus M. B. Dunkle 1939-4-6 7300 Los Angeles Mosquito Harbor Comment
  UCR184111  Daucus pusillus A. C. Sanders, T. B. Salvato 2007-4-24 33501 Los Angeles Tehachapi Mountains, hills above Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant 1082 Comment
  CAS-BOT-BC130911  Deinandra clementina L. R. Abrams; I. L. Wiggins 1931-7-6 342 Los Angeles Vicinity of Mosquito Harbor Comment
  CAS-BOT-BC130938  Deinandra clementina Geo. B. Grant 1906-9-1 7166 Los Angeles Avalon, Catalina Is. Comment
  SD51904  Deinandra clementina Peter H. Raven 1962-7-11 18013 Los Angeles San Clemente Island; Wilson Cove. 60 Comment
  CAS-BOT-BC299300  Deinandra fasciculata L. R. Abrams; I. L. Wiggins 1931-7-6 361 Los Angeles Vicinity of Mosquito Harbor, San Clemente Island Comment
  CAS-BOT-BC299305  Deinandra fasciculata Grant 1902-8-6 5035 Los Angeles Avalon Comment
  SD52905  Deinandra fasciculata Peter H. Raven 1962-5-9 17689 Los Angeles San Clemente Island; road above Pyramid Cove. 120 Comment
  UCR227572  Deinandra minthornii Naomi Fraga, Duncan S. Bell 2009-10-15 3158 Los Angeles Transverse Ranges; Santa Susana Mountains region, Simi Hills. north slope of Simi Peak 689 Comment
  SD126464  Delosperma litorale A. C. Sanders 1987-7-22 7147 Los Angeles El Segundo Dunes, west of L.A. Int. airport & Pershing Dr., east of Vista Del Mar Blvd. 29 Comment
  UCR54486  Delosperma litorale A. C. Sanders 1987-7-22 7147 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  IRVC26213  Delphinium cardinale A. C. Sanders, Mark A. Elvin 2003-6-18 26956 Los Angeles around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon Santa Susana Mountains, Western Transverse Range 1037 Comment
  UC1125927  Delphinium cardinale A. D. Gifford 1934-5-15 242 Los Angeles between Escondido Canyon and Latigo Canyon (near Plot 96); Triunfo Pass Quadrangle Comment
  UC1375445  Delphinium glaucum Robert F. Thorne 1971-8-25 41259 Los Angeles Lily Spring San Gabriel Mts., Angeles National Forest, Mt. Hawkins (nw slope of mt) Comment
  RSA587265  Delphinium parishii subsp. parishii Orlando Mistretta 1994-5-13 1216 Los Angeles San Gabriel Mts; Little Rock Creek, slopes E of creek opposite confluence with Kitter Canyon 1128 Comment
  HSC25030  Delphinium parryi David Porter 1965-5-14 Los Angeles Along Mulholland Hwy., 1 mi. W of Canyon Rd. 305 Comment
  RSA398728  Delphinium parryi Geo. L. Moxley 1913-6-15 s.n. Los Angeles Poppy Peak, Annandale. Comment
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Nov 12 2009
  SBBG110995  Delphinium parryi subsp. parryi A. Parikh, N. Gale 1998-5-28 LA- 5 Los Angeles S of Agoura Hills, on a steep NW-facing slope N of Triunfo Cyn Rd, near the intersection with Kanan Rd 260 Comment
  CAS-BOT-BC116271  Delphinium parryi subsp. parryi J. Ewan 1930-5-30 2249 Los Angeles Santa Monica Mts. 304 Comment
  LA45858  Dendromecon rigida W. R. Ernst; May 1948 sn Los Angeles Big Santa Anita Canyon Comment
  RSA0091340  Dendromecon rigida R. G. Swinney 2011-5-12 14691 Los Angeles San Gabriel Mountains: Aliso Canyon Creek, 50-100 m west of Aliso Cyn. Road, 0.5 miles W of Angeles Forest Hwy, west of mouth of Cabin Cyn. Creek. 1183 Comment
  RSA433222  Dendromecon rigida Bonnie C. Templeton 1932-6-1 4866 Los Angeles Swartout Valley. Lone Pine Canyon. Comment
  UCR273280  Dendromecon rigida R. G. Swinney 2011-10-18 15836 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
  SEINET179627 Image available Deschampsia danthonioides V. Duran 1933-7-9 3507 Los Angeles Horse Flats San Gabriel Mountains 1676 Comment
  CATA1983  Desmazeria rigida Steven A. Junak 1997-3-27 347 Los Angeles Santa Catalina Island: Avalon Canyon, at S edge of Hermit Gulch Campground, along beginning of Hermit Gulch Trail 106 Comment
  RSA188348  Desmazeria rigida R. F. Thorne, M. Z. Thorne 1966-5-1 36413 Los Angeles Santa Catalina Island: Fern Canyon, W of Orizaba Mountains. 229 Comment
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Jan 18 2016
  UCR186560  Dichelostemma capitatum A. C. Sanders 2006-4-25 32202 Los Angeles Transverse Range; Liebre Mtns. Region, 3/4 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 976 Comment
  UCR277393  Dichelostemma capitatum R. G. Swinney 2010-6-1 13163 Los Angeles San Gabriel Mountains, Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  UCR150927  Dichelostemma capitatum subsp. capitatum Valerie Soza, LeRoy Gross 1999-5-10 462 Los Angeles San Gabriel Mountains, foothills above San Dimas, between Morgan and Wildwood Canyons 457 Comment
  IRVC26149  Digitaria sanguinalis L. C. Wheeler 1945-10-30 6164 Los Angeles Kinneloa Canyon San Gabriel Mtns. 366 Comment
  SEINET13693637  Diplacus aurantiacus G. B. Grant 1904-5-24 286 Los Angeles Altadena. Comment
  SD42380  Diplacus longiflorus Carl B. Wolf 1936-4-24 7772 Los Angeles Base of Santa Susana Pass 366 Comment
  CAS-BOT-BC150257  Diplacus parviflorus Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-8 4312 Los Angeles San Clemente Island. E side of island, near Malo Point, first cyn S of Bryce Cyn. Comment
  UCR206971  Diplotaxis tenuifolia Lorraine Weller 2009-9-1 s.n. Los Angeles South Coast, Santa Monica, community garden in 2300 block of Main St. between Strand St. and Hollister Ave. 10 Comment
  RSA0072145  Dodecahema leptoceras Orlando Mistretta, Mike Hammitt 1991-4-16 s.n. Los Angeles Bee Canyon. 582 Comment
  RSA279105  Dodecatheon clevelandii subsp. clevelandii Robert F. Thorne 1971-3-25 41507 Los Angeles San Gabriel Mountains: Lower Evey Canyon off San Antonio Canyon 716 Comment
  UCD65155  Dodecatheon clevelandii subsp. insulare G. L. Webster; M. Hoeff, R. Thorne, J. M. Tucker 1992-3-30 7758 Los Angeles CATALINA ISLAND: slopes of Black Jack Mt., locally common in grassy clearings. 450 Comment
  POM480  Draba corrugata var. corrugata I. M. Johnston, C. W. Tilforth, John Dourley 1917-7-4 1416 Los Angeles near summit of Baldy 2896 Comment
  JEPS44248  Drymocallis cuneifolia var. ewanii Frank W. Peirson 1921-6-18 493 a Los Angeles n slope of Windy Camp San Gabriel Mts., Mt. Islip (Mt. Islip) 2255 Comment
  UC723805  Dryopteris arguta Joseph Andorfer Ewan 1933-6-17 10824 Los Angeles Temescal Canyon; Santa Monica Mts Comment
  UCR108652  Dryopteris arguta L. C. Wheeler 1967-5-18 9626 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  CAS-BOT-BC67901  Dryopteris arguta Mrs. Frank 1900-2-1 s.n. Los Angeles Sta. Catalina Island Comment
  RSA592373  Dryopteris arguta Mark L. Hoefs 1974-3-28 421 Los Angeles Santa Catalina Island: Upper Bulrush Canyon. 252 Comment
  RSA423514  Dudleya cymosa H. de Forest 1931-06 17654 Los Angeles Santa Barbara National Forest. Comment
  CAS-BOT-BC428409  Dudleya lanceolata Alice Eastwood 1919-5-29 9009 Los Angeles San Gabriel Canyon Comment
  RSA631070  Dudleya lanceolata L. C. Wheeler 1932-6-12 823 Los Angeles San Dimas Canyon, San Gabriel Mountains. 534 Comment
  UCR275008  Dudleya lanceolata Michael Honer, Rachel Woodard 2006-4-21 2220 Los Angeles Tehachapi Mountains area:, Slopes above Oso Canyon; c. 2 miles north of Quail Lake; 1.2 miles west of cement plant rd. 1006 Comment
  CAS-BOT-BC411386  Dudleya lanceolata Carl B. Wolf 1927-7-24 676 Los Angeles 1/2 mile E of Melrose 457 Comment
  UC682151  Dudleya multicaulis H. E. Hasse Apr 1891 Los Angeles Comment
  CAS-BOT-BC109740  Dudleya virens subsp. hassei Jim Dice; Michael Donoghue; Terry Martin 1983-5-20 347 Los Angeles Santa Catalina Island, Hamilton Cove, on slope above road to beach, ca. 0.25 km. northwest of Lower Windsock. 60 Comment
  RSA7708  Dudleya virens subsp. insularis C. B. Wolf 1932-5-10 1488 Los Angeles Santa Catalina Island: Avalon. S of Wrigley Jr. Home. Comment
  UCR213297  Dudleya virens subsp. insularis A. C. Sanders 2010-5-7 38333 Los Angeles South Coast, Palos Verdes Peninsula, south of Palos Verdes Dr. South, Rancho Palos Verdes near Los Angeles city boundary 30 Comment
  JEPS59777  Dysphania ambrosioides Elizabeth Day Palmer 1908-8-7 Los Angeles Los Angeles Comment
  SD46366  Dysphania botrys D. F. Howe 1956-7-1 Los Angeles Tujunga Canyon Comment
  UCR127379  Echinochloa colona A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-6 25550 Los Angeles Santa Clara River Valley, north of Hwy 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons 274 Comment
  CAS-BOT-BC197216  Echinochloa crus-pavonis I. M. Johnston 1918-8-4 2111 Los Angeles North Pomona 365 Comment
  UCR270023  Ehrharta calycina R. G. Swinney 2011-3-17 14118 Los Angeles San Gabriel Mountains, Glendora, north of Mull Canyon debris basin 366 Comment
  UCR281300  Ehrharta calycina R. G. Swinney 2014-5-19 16596 Los Angeles San Gabriel Mountains, Glendora, ridge between east fork of Harrow Cyn. and west fork of Engelwild Cyn., 0.4 mile SSE of Glendora Ridge Motorway 622 Comment
  CAS-BOT-BC113672  Eleocharis coloradoensis Peter H. Raven 1961-9-24 16749 Los Angeles Strand of Boquet Reservoir at E end. 914 Comment
  UCR214610  Eleocharis macrostachya A. C. Sanders, Dan S. Cooper 2010-3-12 37350 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR179244  Eleocharis montevidensis R. G. Swinney 1989-7-13 s.n. Los Angeles San Gabriel Mtns., in and near Glendora Wilderness Park, Morgan Canyon Debris Basin 366 Comment
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Nov 5 2010
  SD90580  Eleocharis palustris Robert F. Thorne 1966-4-17 36084 Los Angeles San Clemente Island: small reservoir between Boulder and Horton, northeast side of island 487 Comment
  RSA590827  Elymus Orlando Mistretta 1992-5-4 218 Los Angeles Little Rock Creek, Alimony Ridge. 1463 Comment
  POM114272  Elymus elymoides Marcus E. Jones 1926-6-7 s.n. Los Angeles South of Lebec. Comment
  UCR127238  Elymus elymoides Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2923 Los Angeles Santa Susana Mtns., Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. 915 Comment
  CAS-BOT-BC207374  Elymus elymoides subsp. elymoides Timothy S. Ross 1991-4-28 4734 Los Angeles Black Butte Basin Road at its intersection with Avenue 'U', NW corner, 0.85 mile and ca 152 deg. SW of Three Sisters buttes, Mojave Desert 960 Comment
  RSA91968  Elymus elymoides subsp. elymoides F. W. Peirson 1920-9-15 5370 Los Angeles Along ridge west of summit of Mt. San Antonio, San Gabriel Mountains. 2896 Comment
  UCD61521  Elymus elymoides var. californicus H. M. Hall 1899-6-1 1270 Los Angeles Schwartout-Canon. San Antonio Mtns. 2042 Comment
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Mar 21 2014
  POM365337  Elymus glaucus F. R. Fosberg 1931-4-10 S- 4555 Los Angeles Avalon Valley, Santa Catalina Island 50 Comment
  SEINET263602  Elymus glaucus R. L. Lingenfelter, GD Brown 1962-6-6 1163 Los Angeles Angeles National Forest ; Little Gleason Canyon Comment
  UC625144  Elymus glaucus F. R. Fosberg 1931-4-14 S 4610 Los Angeles Eagle's Nest Santa Catalina Island, Middle Ranch Canyon 180 Comment
  RSA597030  Elymus glaucus subsp. jepsonii Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3844 Los Angeles San Gabriel Mountains. Ridgetop to the W of Crystal Lake (ridge descending SSW from Mt. Islip). 1884 Comment
  SBBG128330  Elymus multisetus S. Ratay 2009-10-15 106 Los Angeles hill S of "Fox Country" SW of Wrigley Reservoir, midslope 444 Comment
  RSA0105692  Elymus triticoides Amy Catalano 2016-5-25 16 -132 Los Angeles Santa Catalina Island. Short spur road at sharp turn at south end of Big Springs Road. 63 Comment
  RSA588899  Elytrigia intermedia subsp. intermedia Timothy S. Ross, Steve Boyd 1990-5-15 2542 Los Angeles Yerba Buena Ridge, Tujunga Ranger District, Angeles National Forest; ridgeline between Boulder Canyon drainage (on NW) and Big Tujunga Canyon (on NE). 1012 Comment
  RSA592174  Emmenanthe penduliflora Louis C. Wheeler 1967-5-12 9433 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  UC1124262  Emmenanthe penduliflora A. D. Gifford 1934-5-8 212 Los Angeles 3 miles W and 1 mile N of Castro Peak; Triunfo Pass Quad. 457 Comment
  UCR124553  Emmenanthe penduliflora B. C. Templeton 1932-8-26 5092 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2088 Comment
  LA94431  Encelia californica Leo Boyd; 1953-5-10 sn Los Angeles Comment
  SEINET11736595  Ephedra aspera D. P. Reagan 1974-1 28 Los Angeles Pyramid Lake, 1 mi N of Castaic Comment
  LA6829  Ephedra nevadensis Carl Epling; May 1925 sn Los Angeles Mint Canyon 1523 Comment
  RSA655787  Ephedra nevadensis James Henrickson 2000-4-21 20714 Los Angeles Ca. 17 mi W of State Hwy 14, along Hwy 138 near 14348 W. Avenue D. at a site for a Sprint monopole. 854 Comment
  UCR123643  Ephedra nevadensis Steven R. Hill, K. Kramer 2001-4-22 33362 Los Angeles San Gabriel Mtns./SW Mojave Desert, Elizabeth Lake Road, 9.7 mi by road SSW of the junction with Johnson Road, vicinity of Bee Canyon 549 Comment
  CHSC101345  Ephedra viridis Sula Vanderplank; LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -37 Los Angeles Transverse Ranges; San Gabriel Mountains region: 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
  OBI6200  Ephedra viridis Shirley Vaughan 1974-5-11 5 Los Angeles At 10th St. E and Kettering St, Lancaster, Ca 718 Comment
  RSA594953  Ephedra viridis T. S. Ross 1995-4-26 8385 Los Angeles LIEBRE GULCH: along Forest Service Road 8N05 descending into the gulch from the Tumble Inn (site) on the Old Ridge Route. 1024 Comment
  SFV311  Ephedra viridis K. A. Wilson 1961-4-29 1175 Los Angeles San Gabriel Mountains Devil's Punchbowl camp site. Two miles south of Valyermo._x000B_Sandy rocky wash. 1220 Comment
  RSA607561  Epidendrum obrienianum Louis C. Wheeler 1965-1-15 8651 Los Angeles Los Angeles: Kerckhoff Estate, University of Southern California, 734 W. Adams Blvd. Comment
  HSC16555  Epilobium canum subsp. canum C. S. Apperson 1967-6-21 Los Angeles 1/2 mi. up Ruby Cyn. from Elizabeth Lake Cyn. Rd. Comment
  SEINET4040455  Epilobium canum subsp. canum M. B. Dunkle 1939-1 7340 Los Angeles Canyon head, Mosquito Summit, San Clemente Island. Comment
  RSA0115963  Epilobium canum subsp. latifolium R. G. Swinney 2010-9-21 13867 Los Angeles San Gabriel Mountains; summit of Mt. Hawkins, at north end of Copter Ridge. 2683 Comment
  RSA588502  Epilobium canum subsp. latifolium Fordyce Grinnell Jr. 1917-8-29 s.n. Los Angeles Mt. Waterman Ridge. Comment
  UCR213251  Epilobium ciliatum Dan S. Cooper 2010-3-29 20100312- 20 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA732765  Epipactis gigantea Richard G. Swinney 2000-5-25 7783 Los Angeles Azusa, 0.5 mi. east of San Gabriel Canyon Information Station on Hwy 39 at mouth of canyon. 238 Comment
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Nov 15 2010
  RSA724618  Epipactis gigantea K. Dobry 1991-5-18 606 Los Angeles Cold Creek Cyn. Santa Monica Mts at Lower Cold creek Presv Comment
  SBBG28787  Equisetum arvense L. C. Wheeler 1933-8-20 2090 Los Angeles Pine Cyn Dam, San Gabriel Cyn 304 Comment
  RSA684672  Equisetum hyemale var. affine H. M. Ritter 1931-4-21 s.n. Los Angeles Los Feliz Bridge at Griffith Park; Los Angeles River Comment
  RSA640302  Equisetum hyemale var. affine L. C. Wheeler 1973-2-3 s.n. Los Angeles Venice: By 2605 Strongs Dr. Comment
  SBBG77005  Equisetum laevigatum F. R. Fosberg 1931-4-15 R 90 Los Angeles Eagles Nest, Middle Ranch Cyn 180 Comment
  SEINET3866733  Equisetum telmateia Louis C. Wheeler 1932-3-17 505 Los Angeles Los Angeles River: at Los Feliz Blvd.; 0 122 Comment
  UCR205636  Eragrostis A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36993 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  CAS-BOT-BC204481  Eragrostis cilianensis Louis C. Wheeler 1932-8-13 1131 Los Angeles 2 miles N Claremont 411 Comment
  PASA691  Eremocarpus setiger Sally Ellis 1939-10-2 Los Angeles Claremont 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
  RSA0106903  Eriastrum densifolium subsp. austromontanum R. G. Swinney 2009-7-23 11383 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR149805  Eriastrum sapphirinum Scott D. White, Pam Devries 2004-6-14 10502 Los Angeles Western Transverse Ranges, Eastern Santa Susana Mountains. West of the I-5 Freeway, c. 4 mi N of I-5 / SH-14 jtn and 6 mi south of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 518 Comment
  RSA0121304  Eriastrum sapphirinum subsp. dasyanthum Valerie L. Soza, LeRoy J. Gross 2001-5-9 1196 a Los Angeles Verdugo Mountains region: Southern San Rafael Hills: South of mouth of Scholl Canyon. West end of Valle Vista fire road, ridgetop north of Hwy 134. 274 Comment
  CAS-BOT-BC514972  Eriastrum sapphirinum subsp. dasyanthum L. R. Abrams 1917-7-7 6612 Los Angeles Laurel Canyon, Santa MOnica Mts. Comment
  RSA0121298  Eriastrum sapphirinum subsp. dasyanthum Thos. Craig 1927-11-24 529 Los Angeles Indian Hill, Claremont. Comment
  RSA758726  Ericameria C. B. Wolf 1931-10-20 2469 Los Angeles 1/2 mile E of Pacoima Creek Bridge on the Tujunga to San Fernando Road. 366 Comment
  UCR177465  Ericameria cooperi LeRoy Gross 2005-5-3 2230 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
  UCSB24617  Ericameria cooperi Head, W. 1966-5-13 Los Angeles 2 miles southeast Littlerock; along Highway 138; Mojave Desert 548 Comment
  RSA295266  Ericameria cuneata var. cuneata N. R. Zabriskie, W. M. Zabriskie 1972-10-15 542 Los Angeles Mt. Wilson Rd., just below turnout at 3.19 1707 Comment
  POM359354  Ericameria ericoides var. ericoides F. R. Fosberg 1931-8-30 S 5614 Los Angeles El Segundo. 10 Comment
  SEINET2050554 Image available Ericameria linearifolia Norman C. Cooper 1948-4-21 2664 Los Angeles Littlerock. 762 Comment
  UC1118758  Ericameria linearifolia H. A. Jensen 1933-5-18 305 Los Angeles Acton Tujunga Quadrangle Comment
  UC73981  Ericameria linearifolia J. Burtt Davy May 9 1896-May 24 1896 2346 Los Angeles between Gorman's Station and Fort Tejon; Antelope Valley Comment
  UCR51001  Ericameria linearifolia A. C. Sanders, E. J. Lawlor 1988-4-3 7740 Los Angeles Tehachapi Mountains, southwest end of the Tehachapi Mtns, l mi northwest of Gorman on a gasline rd, 0.4 mi above old highway 1284 Comment
  SEINET6054044  Ericameria linearifolia Unknown 1997-3-21 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  UCR259613  Ericameria nauseosa subsp. consimilis R. G. Swinney 2010-9-7 13675 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  CAS-BOT-BC298044  Ericameria nauseosa var. mohavensis C. B. Wolf 1931-10-23 2491 Los Angeles Swartout Valley 1 mile E of Wrightwood Lodge, San Gabriel Mts 1828 Comment
  UCR192961  Ericameria palmeri Dan S. Cooper 2008-4-5 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., along Forest Lawn Dr. across from the cemetery, vicinity of Griffith Park, Los Angeles 160 Comment
  CAS-BOT-BC299509  Ericameria palmeri var. pachylepis J. Q. Adams 1905-10-1 s.n. Los Angeles Soldiers Home Comment
  UC472170  Ericameria palmeri var. pachylepis J. Ewan 1931-10-24 5288 Los Angeles La Sierra Canyon Divide Santa Monica Mts. 518 Comment
  POM48752  Ericameria parishii var. parishii Fordyce Grinnell Jr. 1928-09 s.n. Los Angeles Mt. Wilson. 1677 Comment
  POM201729  Ericameria pinifolia L. C. Wheeler 1931-10-17 260 Los Angeles Thompson Creek Wash 412 Comment
  SD69733  Erigeron bonariensis Robert F. Thorne 1966-4-28 36187 Los Angeles Santa Catalina Island; Avalon, at SCI Co. parking lot. 14 Comment
  UCR189953  Erigeron breweri R. G. Swinney, Vanessa Merritt 1998-6-12 6963 Los Angeles San Gabriel Mtns., 3 miles west of Pinon Hills, 2.1 mi. south of Ft. Tejon Rd. at 237th St. East (Mescal Cyn. Rd.), 0.7 mi. NE of mouth of Mescal Canyon at reservoir, between Mescal Cyn. Rd. and Mescal Creek 1378 Comment
  RSA639882  Erigeron breweri var. jacinteus L. C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: Big Rock Creek, branch at Angeles Crest Highway. 2103 Comment
  SEINET10617827  Erigeron divergens David B. Dunn 1949-7-1 Dunn s.n. Los Angeles Growing at U.C.L.A. in soil collected at 3 weather station in the Red Hills about 1 mile south of the Bursum Triangulation Point, Socorro County, New Mexico. Comment
  UCR223307  Erigeron foliosus R. G. Swinney 2009-7-29 11413 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  CAS-BOT-BC296180  Erigeron foliosus var. foliosus F. W. Peirson 1920-5-12 231 Los Angeles San Gabriel Wash near Foothill Boulevard 182 Comment
  CAS-BOT-BC296185  Erigeron foliosus var. foliosus Alice Eastwood 1906-5-27 8 Los Angeles Garvanza Comment
  POM357455  Erigeron foliosus var. foliosus B. C. Templeton 1932-7-21 5047 Los Angeles East Blue Ridge, Big Pines Park. San Gabriel Mountains 2134 Comment
  RSA11187  Erigeron foliosus var. foliosus C. Epling, Nesta Dunn, Alice Goen 1931-5-16 s.n. Los Angeles Mountains near Claremont 1524 Comment
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Sep 13 2017
  UC1536742  Erigeron foliosus var. foliosus G. H. True Jr. 1938-6-22 892 Los Angeles near Valyermo; Big Rock Ranch 762 Comment
  UC468819  Erigeron foliosus var. foliosus J. Grinnell 1903-6-27 Los Angeles Arroyo Seco Pasadena, Arroyo Seco Comment
  SEINET5499699  Eriodictyon crassifolium H. M. Hall, H. Chandler 1906-6-12 7400 Los Angeles Upper Sonoran Zone, San Francisquito Canyon 914 Comment
  CAS-BOT-BC189157  Eriodictyon crassifolium var. nigrescens Ynez Whilton Winblad 1937-4-26 s.n. Los Angeles Ridge Route, N county Comment
  RSA222244  Eriodictyon crassifolium var. nigrescens Louis C. Wheeler 1936-7-2 4206 Los Angeles Damp sunny silt in ravine Bottom, Bell Canyon 854 Comment
  RSA578096  Eriodictyon crassifolium var. nigrescens Tim S. Ross, Steve D. Boyd 1994-5-31 7691 Los Angeles Saddle divide between East Fork Fish Canyon and Warm Springs Canyon: vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132); ca 2920 m NNW of Warm Springs Mountain summit 854 Comment
  CAS-BOT-BC188967  Eriodictyon parryi Tim Ross; Steve Boyd 1992-7-5 6610 Los Angeles Warm Springs Mountain, Red Mountain, Liebre Mountains 1217 Comment
  RSA582968  Eriodictyon traskiae Tim S. Ross, Janet Takara 1993-4-23 6936 Los Angeles Santa Catalina Island: SW part of the island in Cape Canyon. 244 Comment
  SD53043  Eriodictyon traskiae Peter H. Raven 1962-5-20 17787 Los Angeles Santa Catalina Island; above White's Landing on Airport Road. 427 Comment
  RSA0073119  Eriodictyon traskiae var. traskiae Mark L. Hoefs 1994-7-18 1886 Los Angeles Santa Catalina Island: Northeast of upper end of road to White's Landing. 244 Comment
  CAS-BOT-BC222691  Eriodictyon trichocalyx Joseph Andorfer Ewan 1936-7-27 9843 Los Angeles N. end of Table Mt., Swartout [Swarthout] Valley region, San Gabriel Mts. 2133 Comment
  PASA2088  Eriodictyon trichocalyx Margaret Stason 1931-4-5 Los Angeles wash near Azusa Comment
  UCR223170  Eriodictyon trichocalyx R. G. Swinney 2009-7-22 11323 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  RSA602467  Eriodictyon trichocalyx var. trichocalyx Scott D. White 1997-5-15 5147 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. 335 Comment
  UCR223123  Eriogonum R. G. Swinney 2009-7-22 11360 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  RSA784560  Eriogonum angulosum Elizabeth A. Kempton, Eric Paul 2006-6-11 386 Los Angeles Tick Canyon. 538 Comment
  SBBG61811  Eriogonum angulosum P. A. Munz, I. M. Johnston 1928-9-5 11184 Los Angeles rd from Rock Crk to Swartout Valley 1676 Comment
  UC1951183  Eriogonum angulosum Michael Honer 2003-7-8 1844 A Los Angeles Liebre Mountains: Tapia Canyon area, c.2-3 air miles west of I-5 Freeway junction with Ridgt Rt. Rd. Newhall 7.5' Quad. Comment
  POM19151  Eriogonum brachyanthum P. A. Munz 1923-5-27 6894 Los Angeles San Gabriel Mountains: Pallett Creek. Comment
  RSA685158  Eriogonum brachyanthum Scott D. White 2003-7-25 9647 Los Angeles Santa Clarita area; Santa Clara River just upstream from Bouquet Canyon bridge. 351 Comment
  RSA393160  Eriogonum cinereum F. R. Fosberg, H. P. Bracelin 1931-10-11 S 5842 Los Angeles Topanga canyon, 1.5 mi. above mouth. Comment
  UCD99802  Eriogonum cinereum H. P. Bracelin 1931-10-11 570 Los Angeles Lower Topanga Canyon, about one and one-half miles east of Ocean Beach, Santa Monica Mountains. Comment
  RSA725109  Eriogonum cithariforme var. agninum Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -51 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  RSA659937  Eriogonum davidsonii Orlando Mistretta 1992-5-18 326 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  UCR271198  Eriogonum elongatum var. elongatum R. G. Swinney 2011-11-1 15944 Los Angeles San Gabriel Mountains, confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 671 Comment
  UCR255779  Eriogonum fasciculatum subsp. foliolosum R. G. Swinney 2010-4-15 12267 Los Angeles San Gabriel Mountains, Upper Lime Kiln Cyn., 1.2-1.5 miles east of Pacoima Wash, 0.3 to 0.6 miles NE of Limekiln Cyn. fork, due south of Kagel Mt. 854 Comment
  UCR223618  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-6-17 11213 Los Angeles Transverse Range; San Gabriel Mtns., Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  CAS-BOT-BC253213  Eriogonum fasciculatum var. fasciculatum Alice Eastwood 1919-7-4 9288 Los Angeles Santa Monica Canyon Comment
  CAS-BOT-BC253268  Eriogonum fasciculatum var. foliolosum John H. Thomas 1957-2-14 6485 Los Angeles Hills north of Eagle Rock, about 3-4 miles east of Pasadena 304 Comment
  RSA567524  Eriogonum fasciculatum var. foliolosum Tim S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3919 Los Angeles Liebre Mtn: near center of the long summit, in the vicinity of the old Radio Tower site; nr ctr NE 1/4 sect 10 1720 Comment
  RSA610551  Eriogonum fasciculatum var. foliolosum Louis C. Wheeler 1968-8-7 s.n. Los Angeles San Gabriel Mountains: Divide between West Fork Bear Creek and Devils Canyon. Comment
  UC849425  Eriogonum fasciculatum var. foliolosum Marcus E. Jones, A. M. 1882-2-25 3019 Los Angeles Pasadena Comment
  UCSB1402  Eriogonum fasciculatum var. foliolosum Albright, S. 1957-4-17 Los Angeles UCLA Campus, Faculty Hill 91 Comment
  UCSB8546  Eriogonum fasciculatum var. foliolosum Wedberg, H. 1957-5-7 Los Angeles U-turn S of tunnel, Sepulveda Comment
  RSA607920  Eriogonum fasciculatum var. polifolium Louis C. Wheeler 1961-6-13 7872 Los Angeles San Gabriel Mountains: Pacoima Canyon at Bad Canyon 1098 Comment
  RSA718064  Eriogonum fasciculatum var. polifolium R. G. Swinney 1997-8-19 5819 Los Angeles Antonio Peak (=Lookout Mtn.), ridge E of Cattle Canyon and W of the west fork of Bear Canyon. 2077 Comment
  RSA0127578  Eriogonum fasciculatum var. polifolium Louis C. Wheeler 1967-7-20 10116 Los Angeles Aliso Canyon. 1067 Comment
  UC1211145  Eriogonum giganteum Huron H. Smith 1912-5-29 5013 Los Angeles Summit Road Santa Catalina Isl. 213 Comment
  SBBG114004  Eriogonum giganteum var. giganteum Brandegee -May-1890 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC261098  Eriogonum gracillimum A. D. E. Elmer 1902-6-1 3655 Los Angeles Lancaster Comment
  SBBG62131  Eriogonum gracillimum R. Hoffmann 1927-8-31 Los Angeles Palmdale Comment
  VVC2940  Eriogonum gracillimum Tim Thomas 2014-5-4 6297 Los Angeles Mojave Desert, North Lancaster; 0.3 mi NE of Sierra Hwy & W Ave H intersection 713 Comment
  RSA139589  Eriogonum grande var. grande Reid V. Moran 1958-9-16 6846 Los Angeles San Clemente Island, 2 miles SE of Eel Point 100 Comment
  RSA158222  Eriogonum grande var. grande Peter H. Raven 1962-7-10 17979 Los Angeles Canyon below Lemon Tank in dump; San Clemente Island. 244 Comment
  UC1375437  Eriogonum kennedyi var. alpigenum Robert F. Thorne 1971-8-25 41244 Los Angeles s ridge of summit of Mt. Baden-Powell San Gabriel Mts., Angeles National Forest, Mt. Baden-Powell 2804 Comment
  RSA393687  Eriogonum mohavense N. C. Cooper 1943-11-20 972 Los Angeles Lancaster. Mojave Desert 762 Comment
  UC1971222  Eriogonum nudum Scott D. White, Dave Bramlet 1998-8-11 7053 Los Angeles WEST OF MT. ISLIP: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mi closed section of Highway 39 from ca. 1.6 mi W of junction Crystal Lake access rd to junction Highway 2. Crystal Lake USGS 7.5' quad. Comment
  RSA567296  Eriogonum nudum var. pauciflorum Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3971 Los Angeles Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. [West Summit here construed as the 5605-foot knoll near the intersection of sections 3,4,9,10] 1390 Comment
  RSA65985  Eriogonum nudum var. pauciflorum F. R. Fosberg, Joseph A. Ewan 1931-8-11 5039 Los Angeles Islip Trail, Upper Pine Flats; San Gabriel Mountains 1829 Comment
  POM122071  Eriogonum nudum var. pauciflorum George B. Grant 4042 Los Angeles [No location data on label] Comment
  UCR209241  Eriogonum plumatella R. G. Swinney 2008-10-7 9477 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  SD90385  Eriogonum pusillum Robert F. Thorne, C. W. Tilforth 1973-4-20 43000 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
  SEINET13383033 Image available Eriogonum saxatile R. G. Swinney 2011-1 15323 Los Angeles Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao Visitor Center 1582 Comment
  UC1375285  Eriogonum wrightii var. subscaposum Robert F. Thorne 1971-8-25 41291 Los Angeles Windy Gap on trail from Little Jimmy Springs; San Gabriel Mts., Angeles National Forest, Windy Gap 2676 Comment
  UC535039  Eriogonum wrightii var. subscaposum Victor Duran 1933-7-28 3540 Los Angeles Buckhorn San Gabriel Mts., Buckhorn 1981 Comment
  RSA600739  Eriophyllum ambiguum var. ambiguum L. C. Wheeler 1955-4-17 7139 Los Angeles San Gabriel Mountains: Bare Mountain Canyon, off Little Rock Creek. Comment
  OBI69336  Eriophyllum confertiflorum John Knapp, Denise Knapp 2003-5-11 36 Los Angeles Catalina Island. 152 Comment
  POM357956  Eriophyllum confertiflorum F. R. Fosberg 1931-6-19 5159 Los Angeles Carbon Canyon, Puente Hills Range. Comment
  POM4916  Eriophyllum confertiflorum Crawford, H. D. Hiatt 1916-3-28 576 Los Angeles Santa Monica Mountains. 305 Comment
  RSA771563  Eriophyllum confertiflorum R. G. Swinney 2009-5-28 10940 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  RSA0089516  Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-7-21 15526 Los Angeles Strawberry Peak summit 1860 Comment
  RSA92661  Eriophyllum confertiflorum var. confertiflorum F. W. Peirson 1923-5-21 4241 Los Angeles San Gabriel Mountains. 548 Comment
  RSA747149  Eriophyllum wallacei R. G. Swinney 2008-5-8 8818 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
  UCR197746  Eriophyllum wallacei Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 93 Los Angeles Transverse Ranges; San Gabriel Mountains, south edge of Bob's Gap, on slopes and roadside, and down in the wash 1433 Comment
  RSA289502  Eriophyllum wallacei Dale E. Johnson 1974-4-24 93 Los Angeles W of Palmdale airport, 1.9km (1.2miles) N of Ave P on Sierra Hwy (road just E of and parallel to Hwy 14 (Mojave San Fernando road) Comment
  RSA629713  Erodium botrys Louis C. Wheeler 1947-4-27 6471 Los Angeles Arcadia: Woodward Avenue between Santa Anita Avenue and Oakwood Drive. Comment
  UCR151011  Erodium botrys Scott D. White 1997-5-7 5067 Los Angeles San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, alluvial fan at base of mountains. SW of Hwy 210, east of Hansen Dam, and north of Wentworth Street 351 Comment
  CDA4369  Erodium brachycarpum T. S. Ross 1991-4-21 4549 Los Angeles Whittier Hills (Puente Hills, pro parte): ridgetop between Turnbull and Sycamore Canyons. Comment
  CHSC98048  Erodium cicutarium LeRoy Gross; Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 691 Los Angeles Transverse Ranges: Verdugo Mountains Region: South side, along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway .Area burned in Summer-Fall of 2002. 783 Comment
  RSA0069880  Erodium cicutarium R. G. Swinney 2010-5-7 12607 Los Angeles 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
  UC17087  Erodium cicutarium Jos. Burtt Davy 1901-1-25 Los Angeles Saugus Comment
  RSA391811  Erodium cicutarium Unspecified 1930-6-30 499 Los Angeles Del Rey. 3 Comment
  SD51920  Erodium cicutarium Peter H. Raven 1962-4-9 17136 Los Angeles San Clemente Island; Wilson Cove. 60 Comment
  SEINET7063084  Erysimum capitatum A. G. Vestal 1963-5-22 s.n. Los Angeles In the San Gabriel Mountains southeast of Palmdale. UTM Zone 11, 400840mE, 3822562mN. (WGS84/NAD83). 876 Comment
  UCR209935  Erysimum capitatum R. G. Swinney 2008-7-15 9214 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  RSA530299  Erysimum capitatum var. capitatum Elbert Benjamine 1929-3-3 46 Los Angeles Gravelly hillside, La Crescenta. Comment
  SEINET5339909  Eschscholzia californica M. Walker 1963-4-28 s.n. Los Angeles Playa Del Rey, hillslope. 3 Comment
  POM18237  Eschscholzia ramosa P. A. Munz 1923-4-11 6763 Los Angeles San Clemente Island, west coast below Hay Ranch Comment
  RSA150663  Eschscholzia ramosa Peter H. Raven 1962-5-9 17646 Los Angeles Just N of Gray, San Clemente Island. 366 Comment
  SBBG128384  Eschscholzia ramosa M. L. Hoefs 1991-4-16 1100 Los Angeles Renton Mine Rd 249 Comment
  UCR126554  Eucalyptus camaldulensis Mark A. Elvin, Kim Marsden 2003-8-8 2979 Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River, c. 100 m east of the Ventura Co. line 290 Comment
  RSA0010850  Eucalyptus camaldulensis LeRoy Gross 2001-9-1 445 Los Angeles Verdugo Mountains; north side, Along the bottom of Hostetter Mountain Way where road is paved, parallel with 210 freeway. 549 Comment
  UCR258846  Eucrypta chrysanthemifolia R. G. Swinney 2010-3-16 11915 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
  RSA549583  Eucrypta chrysanthemifolia Tim S. Ross 1991-3-10 4217 Los Angeles Claremont: Bernard Field Station, on E side of RSA 392 Comment
  SFV21383  Eucrypta chrysanthemifolia var. chrysanthemifolia L. Moore, R. Burchet, L. Gross, D. Zygielbaum 2000-6-8 43 Los Angeles Verdugo Mountains La Tuna Canyon Park. Off La Tuna Canyon Road on Santa Monica Mountains Conservancy Land. 586 Comment
  UCR213375  Euphorbia Dan S. Cooper 2010-3-20 20100320- 07 B Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCD142555  Euphorbia albomarginata M. Vincent 1962-5-19 253 Los Angeles Between Pearblossom and Valyermo; one mile from main Highway 138. Comment
  RSA498944  Euphorbia crenulata L. C. Wheeler 1931-4-12 s.n. Los Angeles Liveoak Canyon (1/2 mi. above the dam) 457 Comment
  SBBG42298  Euphorbia misera M. B. Dunkle 1939-4-7 7336 Los Angeles Pyramid Cove Comment
  CAS-BOT-BC202395  Euphorbia ocellata Louis Wheeler 1965-6-21 8694 Los Angeles Alpine Butte: ca 3 mi east of 90th street east and Ave 6 on Ave 0 ca 1 mile west of Alpine Butte. Wildflower Sanctuary Comment
  UCD142458  Euphorbia peplus Doris Pechuanco 1964-7-25 s.n. Los Angeles Los Angeles, Ferndell. Comment
  CDA4879  Euphorbia terracina T. C. Fuller 1971-7-2 19910 Los Angeles University of California Botanic Garden, Westwood. Comment
  RSA714517  Euphorbia terracina A. C. Sanders, Lee Jones 2005-4-8 29351 Los Angeles South Coast: Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente. 2 Comment
  UCR97786  Euphorbia terracina Scott D. White 1997-3-12 4750 Los Angeles Pacific Coast, Zuma Beach, mouth of Zuma Creek, E end of the County Beach. 8 Comment
  SBBG13633  Extriplex californica P. H. Raven 1962-4-9 17158 Los Angeles near barracks, Wilson Cove 60 Comment
  SD40176  Extriplex californica Edith A. Purer 1931-3-19 Los Angeles El Segundo Comment
  SBBG80232  Festuca microstachys F. R. Fosberg 1931-4-29 4728 Los Angeles between Cottonwood and Middle Ranch Cyns, near ocean 20 Comment
  UCR153321  Festuca microstachys A. C. Sanders, T. B. Salvato 2005-4-26 29737 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
  UCR277078  Festuca microstachys R. G. Swinney 2011-6-7 15091 Los Angeles San Gabriel Mountains, summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory 1780 Comment
  SEINET13276702 Image available Festuca myuros R. G. Swinney 2011-1 14758 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned "Milley's Apple Orchard" (Chilao Flat 7.5' Q.) (T3N R12W S35) 911 Comment
  UCR86827  Festuca myuros Scott D. White 1995-4-27 2963 Los Angeles Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon. Road, SW of Malibu Civic Center Way 92 Comment
  CAS-BOT-BC500440  Ficus microcarpa R. E. Riefner, Jr. 2014-10-6 14 -371 Los Angeles Harbor City, W of 110-Freeway, Figueroa Pl. at Lagood Dr. 6 Comment
  CAS-BOT-BC500445  Ficus microcarpa R. E. Riefner, Jr. 2015-7-26 15 -207 Los Angeles City of Los Angeles, on 43rd St. bridge, W side of 100 freeway, E of Flower St. 58 Comment
  RSA0089289  Ficus microcarpa R. E. Riefner Jr. 2014-10-6 14 -369 Los Angeles Harbor city, W of 110-Freeway, on Figueroa Pl. ca. 0.3 mi N of Anaheim St., opposite of Harbor Park Golf Course. 9 Comment
  UCR267271  Ficus microcarpa R. E. Riefner Jr. 2015-8-21 15- 341 Los Angeles City of Covina, north of I-10 Freeway, east side of Grande Ave. at Walnut Creek, general vicinity of Fairway Ln. 150 Comment
  POM4886  Filago californica L. R. Abrams 1901-4-1 1238 Los Angeles Ballona Harbor. Comment
  RSA583053  Filago californica Timothy S. Ross, Janet Takara, S. Otte 1993-4-25 6968 Los Angeles Santa Catalina Island: head of S fork Descanso canyon. 177 Comment
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Jun 4 2009
  RSA251479  Filago californica R. F. Thorne 1973-4-11 42796 Los Angeles San Clemente Island; small pools in gully at head of Middle Ranch Canyon in grassy plateau. 427 Comment
  SBBG127034  Forestiera pubescens A. Parikh, N. Gale 2011-7-2 3529 Los Angeles rd to Barley Flats, 2.5 km WSW of Shortcut Station, 0.4 km N of St Hwy 2; San Gabriel Mtns 1505 Comment
  UCR177163  Forestiera pubescens LeRoy Gross 2001-3-25 360 b Los Angeles Transverse Ranges; Verdugo Mountains region, Los Angeles Basin: Verdugo Mountains region: Off Verdugo Crestline Drive, dirt road that is north of the 210 freeway in the northwest section of the Vedugo Mountains, just east of Sunland exit off ramp, you can get on this fire road from the west at Newhome Ave off of Foothill Blvd. in the city of Sunland 549 Comment
  CAS-BOT-BC384175  Forestiera pubescens subsp. parvifolia L. R. Abrams 1927-4-30 11747 Los Angeles Flat west of Lancaster Comment
  UCD112548  Frangula californica Geoffrey Levin 1974-5-31 190 Los Angeles Wash (Blanchard Park), Pomona College, Claremont. Santa Ana River drainage area. Alluvial fan of Mt. San Antonio (San Gabriel Mountains.) 335 Comment
  LA200806  Frangula californica subsp. californica Michael Neuman; January 1984 4 Los Angeles Santa Monica Mountains, Hollyhock Canyon, tributary to Mandeville Canyon 374 Comment
  OBI8166  Frangula californica subsp. californica Lewis Meltz 1977-4-9 LM 24 Los Angeles 300m N of Eaton Cyn wash, 3 km E of Eaton Cyn bridge 457 Comment
  SEINET10898551  Frangula californica subsp. californica Douglas L. Holl 1997-10-9 Holland 114 Los Angeles City of Claremont. Rancho Santa Anna Botanic Garden. Cultivated collection. Originally wild collected from San Mateo, California; Pigeon Point, costal scrub. Source: Yerba Buena Nursery, 15 October 1992. Accession number - 18089. 152 Comment
  RSA391389  Frankenia grandifolia F. R. Fosberg 1931-4-3 S 4471 Los Angeles Santa Catalina Island, Pebble [Pebbly] Beach. 2 Comment
  CAS-BOT-BC223763  Frankenia salina Ira W. Clokey 1930-6-4 5005 Los Angeles Santa Cruz Island Comment
  CATA348  Frankenia salina Mark L. Hoefs 1973-7-20 391 Los Angeles Santa Catalina Island: By main road at Little Harbor 4 Comment
  LA200676  Fraxinus velutina A. M. Johnson; 1932-5-30 4098 Los Angeles Santa Monica Mountains, Brent's Mountain, Crag's Camp 152 Comment
  RSA712721  Fraxinus velutina A. C. Sanders 2003-3-14 25773 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
  SFV20830  Fraxinus velutina var. coriacea L. Gross 2002-6-24 544 Los Angeles Verdugo Mountains Along La Tuna Canyon Road. 488 Comment
  CAS-BOT-BC212390  Fremontodendron californicum Carl B. Wolf 1936-5-27 7861 Los Angeles Aliso Canyon to Buckhorn Flats Road, 8 mi. above Tie Camp Summit, San Gabriel Mts. 1676 Comment
  CAS-BOT-BC212395  Fremontodendron californicum Timothy S. Ross; Darin Banks 1994-6-21 7989 Los Angeles Descending northerly ridge with Tie Canyon on the W, and upper tributary of Santiago Canyon on the E, ca 2325 m NW of Pac. Mtn's 7124 foot summit, Vicinity of Pacifico Mountain 1923 Comment
  RSA729715  Fremontodendron californicum subsp. californicum R. G. Swinney 1999-6-18 7316 Los Angeles San Gabriel Mtns.; Big John Flat, northern edge 1652 Comment
  POM1726  Fritillaria biflora Philip A. Munz 1918-4-21 2909 Los Angeles South Hills near Pomona. 305 Comment
  RSA659116  Fritillaria biflora LeRoy Gross 2001-3-25 361 Los Angeles Los Angeles Basin: Verdugo Mountains region: Off Verdugo Crestline Drive, dirt road that is north of the 210 freeway in the northwest section of the Vedugo Mountains, just east of Sunland exit off ramp., You can get on this fire road from the west at Newhome Ave off of Foothill Blvd. in the city of Sunland ( This last information came from Valerie Sozas collection number 901 as it is in the same area) Near 34 deg 15 12.2N 118 deg 19 16.8W. 488 Comment
  SEINET11098561 Image available Funastrum hartwegii G. B. Grant July 03 972 Los Angeles Pasadena Comment
  JEPS114005  Galium andrewsii subsp. andrewsii Timothy S. Ross and Steve Boyd 1994-5-4 7615 Los Angeles San Fracisquito Canyon: headwaters of the canyon, NE of Green Valley; ca 600 m SW of summit of grade; ca 2460 m ESE of Grass Mountain summit. Comment
  RSA0080764  Galium angustifolium R. G. Swinney 2010-5-12 12733 Los Angeles Barrell Springs Road at jct. with 42nd St. East, on SW side of road from 30 to 150 meters west of 42nd, NE side of Palmdale Ditch, San Andreas Rift Zone. 921 Comment
  RSA747183  Galium angustifolium R. G. Swinney 2008-6-9 8966 Los Angeles lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  UCR155670  Galium angustifolium A. C. Sanders, Helen Kennedy 2005-4-13 29457 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCR203184  Galium angustifolium R. G. Swinney 2005-5-21 8262 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  POM50547  Galium angustifolium subsp. angustifolium L. R. Abrams 1901-4-11 1485 Los Angeles Santa Monica Canyon, Santa Monica Mountains. Comment
  UC527281  Galium angustifolium subsp. angustifolium C. B. Wolf 1931-5-13 1997 Los Angeles near bridge (on road from Tujunga to San Fernando); Pacoima Wash 365 Comment
  UCD121587  Galium angustifolium subsp. foliosum P. B. Kennedy 1928-3-28 s.n. Los Angeles Canyon above golf links, Avalon, Santa Catalina Co. Comment
  RSA0107228  Galium aparine R. G. Swinney 2011-5-19 14786 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
  RSA526558  Galium aparine Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-4-7 4243 B Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  RSA652666  Galium aparine Richard L. Herrin 1948-3-29 s.n. Los Angeles In Fern Canyon off Arroyo Seco above Devil's Gate Dam. Altadena. Comment
  UCR124692  Galium aparine B. C. Templeton 1932-6-18 4930 Los Angeles San Gabriel Mtns, Angeles National Forest: Jackson Lake 1930 Comment
  UCR178786  Galium aparine R. G. Swinney 1989-4-15 s.n. Los Angeles San Gabriel Mtns., Glendora Regional Wilderness Park, Big Dalton Canyon at 'Owl Flats 473 Comment
  SDSU9320  Galium aparine R. M. Beauchamp 1967-3-18 294 Los Angeles West of dump below Lemon Tank. San Clemente Island. Comment
  UC519952  Galium californicum subsp. flaccidum Louis C. Wheeler 1932-7-2 899 Los Angeles Browns Flat-Fern Canyon water trail San Gabriel Mts. 1219 Comment
  CAS-BOT-BC217467  Galium catalinense L. R. Abrams; I. L. Wiggins 1931-7-4 317 Los Angeles White's Landing, Santa Catalina Island Comment
  RSA526524  Galium catalinense subsp. acrispum Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-4-7 4263 Los Angeles San Clemente Island: lower half of China Cyn, S end of island, W side. Comment
  UC1375413  Galium johnstonii Robert F. Thorne 1969-7-2 38265 Los Angeles Upper Chilao Campground San Gabriel Mts., Angeles National Forest 1615 Comment
  LA50674  Galium nuttallii subsp. nuttallii Carl Epling; 1929-3-30 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  CAS-BOT-BC499145  Galium porrigens var. porrigens Valerie Soza 2004-6-21 1726 b Los Angeles Liebre Mountains, N side of Warm Springs Rd 6N32, W of Lake Hughes Rd. 640 Comment
  UC1586223  Galium porrigens var. porrigens Tim Ross 1991-8-16 5857 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat USGS 7.5' Quad. (s end) 1720 Comment
  RSA526626  Galvezia speciosa Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-4-7 4196 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  RSA680066  Galvezia speciosa Mark A. Elvin, Michael Wall, Jennifer Stone 1996-8-8 327 Los Angeles San Clemente Island. Lemon Tank Canyon. N side at/in dump. 30' below canyon ridge. Comment
  SFV4406  Gamochaeta ustulata J. Turner, F. M. Ball 1963-5-15 s. n. Los Angeles Westwood. University of California campus. Plant physiology area. Comment
  POM132533  Garrya veatchii C. F. Baker 1905-2-15 4012 Los Angeles San Antonio Canyon near Claremont. Comment
  RSA391426  Garrya veatchii Fordyce Grinnell Jr. 1911-09 s.n. Los Angeles Bailey Canyon, San Gabriel Mountains. Comment
  RSA660117  Garrya veatchii Orlando Mistretta 1992-6-12 558 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  SD69445  Gastridium phleoides Robert F. Thorne, P. Everett 1965-6-23 35008 Los Angeles Santa Catalina Island, along streambed in lower part of Hamilton Canyon 60 Comment
  POM249876  Gaura sinuata E. Johnson 1939-08 s.n. Los Angeles Citrus Ave., west of Cameron, West Covina. Comment
  CHSC5111  Gayophytum Mary MacArthur 1967-7-16 96 Los Angeles Along foot path, Charlton Flat ca. 1 mi from Angeles Crest Hwy, Below parking area #12, Angeles National Forest, San Gabriel Mountains. 1524 Comment
  RSA0107659  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-6-23 15299 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station. 1570 Comment
  UC1587604  Gayophytum diffusum subsp. parviflorum Tim Ross 1991-8-14 5753 Los Angeles Roundtop [Mtn.] San Gabriel Mountains, Chilao Flat USGS 7.5 quad (se slope) 1892 Comment
  RSA127944  Geranium carolinianum H. J. Thompson 1959-4-19 1955 Los Angeles Mulholland Highway, 1 miles W of Las Virgenes Road, Malibu Creek drainage. Santa Monica Mountains. 274 Comment
  SEINET4044526  Geranium carolinianum D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 167 Comment
  UC17118  Geranium carolinianum J. H. Barber 1897-6-2 161 Los Angeles Santa Monica Experimental Station Comment
  SD257287  Geranium pratense A. L. Haines 1951-4-21 Los Angeles C.W. Pirece Junior College, Canoga Park. 244 Comment
  RSA0053882  Gilia R. G. Swinney 2010-5-11 12634 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
  RSA755880  Gilia R. G. Swinney 2008-7-24 9276 Los Angeles Waterman Mountain 2412 Comment
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Dec 7 2018
  RSA657286  Gilia angelensis Greg Burchett, Lisa Kegarice, Curtis Clark 1992-5-26 92 -18 Los Angeles Santa Clara River west from I-5 to trailer park. Comment
  RSA624060  Gilia australis L. C. Wheeler 1967-5-23 9690 Los Angeles Near mouth of Bear Canyon, off Soledad Canyon. 579 Comment
  RSA334180  Gilia brecciarum subsp. brecciarum R. F. Thorne 1973-5-11 43560 Los Angeles Along Mt. Emma Road: 1.9 mi W of Little Rock Creek below the dam. 1159 Comment
  RSA0116741  Gilia brecciarum subsp. brecciarum W. Wisura 2001-4-30 5154 Los Angeles San Gabriel Mts.: Hwy N4 9.4 mi N. fr. jctn. with Hwy 2. Comment
  RSA86581  Gilia brecciarum subsp. brecciarum Verne Grant, Alva Grant 1954-4-19 19594 Los Angeles On Hwy 138 4.5 miles W of Big Pines jct. Near Los Angeles-San Bernardino County line. 1220 Comment
  UCR206277  Gilia latiflora subsp. davyi R. G. Swinney 2008-6-4 8947 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, c. 100 m SW of park headquarters/nature center 1470 Comment
  RSA72994  Gilia latiflora subsp. davyi Verne Grant, Alva Grant 1952-4-21 18260 Los Angeles along Hwy about 4 mi. S of Gorman on Tejon Pass rd. 1067 Comment
  RSA0016270  Gilia ochroleuca subsp. bizonata T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4811 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  RSA469482  Gilia ochroleuca subsp. bizonata Anstruther Davidson 1906-6-1 1931 Los Angeles Big Rock Creek, Lowell Mine. Comment
  RSA0016246  Gilia ochroleuca subsp. bizonata Robert Gustafson 1978-5-2 926 Los Angeles Off the dirt road running through the southern part of Hungry Valley, northeast of the Lane Ranch, near the base of Freeman Canyon, about 4 miles south of Gorman 1006 Comment
  RSA0016173  Gilia ochroleuca subsp. ochroleuca R. G. Swinney 1998-5-16 6064 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  UC908887  Gilia ochroleuca subsp. vivida Frank W. Peirson 1918-6-30 155 Los Angeles summit Mount Wilson San Gabriel Mountains, summit Mount Wilson Comment
  SEINET13095062  Gilia sherman-hoytiae Unknown 1933-1 12925 Los Angeles Desert 10 miles south of Muroc. Comment
  CAS-BOT-BC303661  Glebionis coronaria John Thomas Howell 1948-7-2 24767 Los Angeles Redondo Beach Comment
  RSA593469  Glycyrrhiza lepidota Steve Boyd, Michael Wall 1996-5-16 8782 Los Angeles Liebre Mountains, confluence of Ruby Canyon and Elizabeth Lake Canyon at northwest end of Red Mountain. 585 Comment
  POM358777  Gnaphalium californicum F. R. Fosberg 1931-4-2 4449 Los Angeles Santa Catalina Island. Camp Frost 300 Comment
  UCR126914  Gnaphalium californicum A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26191 Los Angeles Western San Gabriel Mtns., Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment
  RSA608881  Gnaphalium californicum L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: East side Little Tujunga. 548 Comment
  UCR180022  Gnaphalium canescens R. G. Swinney, Dave Larson 1996-8-7 5224 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, southern third of west half of Brown's Flat 1317 Comment
  RSA230673  Gnaphalium palustre R. F. Thorne, M. Z. Thorne 1969-7-9 38511 Los Angeles Angeles National Forest: summit of Table Mountain above Big Pines Ranger Station. 2134 Comment
  SD69457  Gnaphalium palustre Robert F. Thorne, P. Everett 1965-6-23 34973 Los Angeles Santa Catalina Island; Hay Press Reservoir. 409 Comment
  RSA0091317  Gnaphalium stramineum R. G. Swinney 2011-5-26 14878 Los Angeles 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1061 Comment
  UCR138514  Gnaphalium stramineum L. C. Wheeler 1970-5-31 s.n. Los Angeles Los Angeles, NW corner of W Pico Blvd. and S Figueroa St. 72 Comment
  RSA593482  Gnaphalium thermale Steve Boyd, Orlando Mistretta, Valerie Soza 1996-6-12 8847 Los Angeles Liebre Mountains, Castaic Creek drainage upstream from confluence of Fish Canyon, in side drainage below high-tension power lines. 610 Comment
  CAS-BOT-BC110269  Grayia spinosa Timothy S. Ross; J. Mark Porter 1994-5-1 7594 Los Angeles Southwestern Mojave Desert. Open desert, ca. 1870 m southwest of Three Sisters Buttes, along Black Butte Basin Road. 966 Comment
  CAS-BOT-BC110276  Grayia spinosa Eugene Wells 1910-3-18 s.n. Los Angeles Lancaster. Comment
  OBI34892  Grindelia stricta var. platyphylla David J. Keil 1983-8-23 17866 Los Angeles Just W of Leo Carillo State beach along hwy 1 , ca. 1 mi E of Ventura Cnty line. Comment
  OBI49589  Gutierrezia californica David J. Keil 1986-9-27 19734 -2 Los Angeles NW Los Angeles County; along I-5, just S of Hungry Valley Rd exit. roadside pullout 914 Comment
  UCR178176  Gutierrezia californica LeRoy Gross, Steve Fischer, G. D. Wallace, et al. 2002-12-7 676 Los Angeles Transverse Ranges: San Gabriel Mtns, Limekiln Canyon 518 Comment
  CAS-BOT-BC302128  Gutierrezia sarothrae Vernon O. Bailey 1907-10-29 s.n. Los Angeles San Fernando Comment
  RSA603188  Haplopappus pinifolius L. C. Wheeler 1972-12-20 12782 Los Angeles San Gabriel Mountains: Cow Canyon Saddle 1372 Comment
  RSA597987  Harpagonella palmeri Lauren Raz, Mistretta, Wall 1997-3-16 68 Los Angeles Santa Catalina Island. Avalon Canyon via ''Divide Trail'', NE of the Wrigley Botanical Garden. 182 Comment
  JEPS85099  Hazardia squarrosa var. grindelioides Roy E. Buck and Rexford Palmer 1989-4-27 1216 Los Angeles ca 2.8 air km se Townsend Peak Summit (7 air km nw of Castaic; between lanes of Interstate 5 near nw end of crossover section, +/- on ridge between Violin Canyon & large canyon ne) 640 Comment
  LA105285  Hazardia squarrosa var. grindelioides Barry A. Prigge; 1988-10-8 8365 Los Angeles Santa Susana Mountains, East Canyon, ca 2 mi.SSE of Newhall and from the mouth of the canyon at The Old Road to ca 1/8 mi. up canyon 444 Comment
  SBBG128170  Hazardia squarrosa var. grindelioides B. E. Carter 2012-8-23 6987 Los Angeles Airport Rd, ca. 0.25 mi N of Middle Ranch Rd 405 Comment
  SD252281  Hedypnois cretica Steven A. Junak 1999-4-23 Sca 849 Los Angeles Santa Catalina Island. E of isthmus, plant stop, along S side of road; localized population; disturbed site. 182 Comment
  UCSB42209  Hedypnois cretica Roos, Alfred 1954-5-17 Los Angeles Near North Kenmore and Oakdale Streets, Hollywood Comment
  RSA0110597  Helenium bigelovii Richard G. Swinney 2010-9-30 13917 Los Angeles 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs. 2290 Comment
  RSA0116569  Helenium bigelovii R. G. Swinney 2010-9-30 13929 Los Angeles San Gabriel Mountains; 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon. 2305 Comment
  RSA638955  Helenium bigelovii L. C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: Burkhart Trail, 0.4 miles (airline) south southeast of Burkhart Saddle. 2012 Comment
  RSA749652  Helenium bigelovii R. G. Swinney 2001-9-15 8173 Los Angeles Little Jimmy Spring 2256 Comment
  LA201750  Helenium puberulum Arthur C. Gibson; 2001-5-19 4807 Los Angeles Santa Monica Mountains, near the village of Topanga Comment
  RSA0096947  Helianthemum scoparium R. F. Thorne, C. W. Tilforth 1971-6-17 39951 a Los Angeles San Gabriel Mts., Angeles National Forest. 2 mi. up Lower Tujunga Road from Forestry Headquarters. 457 Comment
  RSA188268  Helianthemum scoparium var. vulgare R. F. Thorne 1966-4-29 36324 Los Angeles Santa Catalina Island: below road to White's Landing above turn-off to Echo Lake. 411 Comment
  UC1746080  Helianthus annuus Annetta M. Carter 1946-4-23 1758 Los Angeles Sierra Madre. Crest of first hill on Mt. Wilson Trail. 365 Comment
  RSA656855  Helianthus gracilentus Valerie L. Soza, Ileene Anderson, LeRoy Gross 2000-6-6 992 Los Angeles Verdugo Mountains, southwest side: Along Verdugo Mtwy, E of junction with Stough Canyon Mtwy, above Stough and Wildwood canyons, west side of peak ''2642''. 838 Comment
  RSA755569  Heliotropium curassavicum R. G. Swinney 2008-9-9 9329 Los Angeles Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  RSA596067  Heliotropium curassavicum L. C. Wheeler 1946-8-28 6289 Los Angeles San Gabriel Mountains. Caldwell Lake. 1569 Comment
  RSA5978  Heliotropium curassavicum var. oculatum C. B. Wolf 1932-9-13 4051 Los Angeles Bryant Ranch, 250 ft. S of N boundary & 100 ft. E of drainage ditch in SE 1/4 sect. 27 about 560 ft. east and 250 ft. S of NW corner of SE 1/4 sect. 27. 5 Comment
  LA51805  Hesperocnide tenella Carl Epling; March 1925 6439 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  UCR119552  Hesperocnide tenella L. C. Wheeler 1973-4-9 s.n. Los Angeles San Gabriel Mtns., Lower Millard Canyon, just south of culvert Comment
  UCR281399  Hesperoyucca whipplei R. G. Swinney 2014-4-23 16149 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains 1256 Comment
  LA20819  Heteromeles arbutifolia Jonathan Sauer; D. Bradbury, R. Thaman 1969-12-7 4679 Los Angeles Santa Monica Mountains, Latigo Canyon, unspecific location Comment
  SFV21147  Heteromeles arbutifolia J. M. Keefe 2001-1-19 30949 Los Angeles San Rafael Hills Los Angeles, Eagle Rock. South by southeast face of the Eagle Rock. 305 Comment
  UCR210532  Heteromeles arbutifolia R. G. Swinney 2008-12-4 9944 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1 mi. north of Foothill Blvd. 201 Comment
  UCR212809  Heteromeles arbutifolia Ellen Mackey, Blake Whittington 2006-10-24 NFWF- 1820 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Watershed, San Gabriel River main stem across from Morris Dam, between San Gabriel Canyon Road (Hwy 39) and Silver Fish Truck Trail 401 Comment
  SD251791  Heteromeles arbutifolia M. B. Dunkle 1939-11-24 7344 Los Angeles Sant Clemente Island; Canyon head, Mosquito summit. Comment
  CAS-BOT-BC318855  Heterotheca grandiflora LeRoy Abrams 1902-6-20 2569 Los Angeles Soldiers Home Comment
  UCSB6599  Heterotheca grandiflora Gill, Robert 1959-3-7 Los Angeles San Antonio Canyon; San Gabriel Mt. Range; Pacific Slope drainage area 914 Comment
  RSA0074425  Heterotheca grandiflora Roxanne Smith 1991-5-7 20 Los Angeles Hills south-east of Golden Springs and Diamond Bar Blvd. 1/8 mile north of intersection of Clear Creek Canyon Drive & Steep Canyon Road. Comment
  RSA0074436  Heterotheca grandiflora G. R. Proctor 1944-01 775 Los Angeles Sand dunes at El Segundo. Comment
  UC1595243  Heterotheca sessiliflora subsp. fastigiata Tim Ross and Peter Fritsch 1990-6-20 3589 Los Angeles near the confluence E and W Forks of the San Gabriel River; San Gabriel Mountains, Mouth of Burro Canyon 445 Comment
  CAS-BOT-BC123614  Heuchera elegans LeRoy Abrams 1901-7-10 1903 Los Angeles Martin's Camp, Mt. Wilson Comment
  CAS-BOT-BC319769  Hieracium argutum I. M. Johnston 1917-7-15 1365 Los Angeles Day Canyon, San Antonio Mountains 914 Comment
  POM263069  Hoffmannseggia glauca J. C. Roos 1940-8-31 241 Los Angeles Monterey Park. Comment
  RSA611529  Holodiscus microphyllus Louis C. Wheeler 1968-10-13 s.n. Los Angeles San Gabriel Mountains: Big Rock Creek, just above Angeles Crest Highway. Comment
  RSA589313  Hordeum intercedens Timothy S. Ross 1995-5-21 8608 Los Angeles San Clemente Island, terrace on W side of Chenetti Canyon and just N of Snail Canyon, 4300 feet SSE of Rest triangulation point (1336-feet) and 3540 feet NNW of slope tri. pt. (781-feet). 271 Comment
  UCR220224  Hordeum murinum R. G. Swinney 2009-4-7 10281 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, under 2nd span from west 184 Comment
  UCR259570  Hordeum murinum R. G. Swinney 2010-5-7 12605 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
  UCR51317  Hordeum murinum A. C. Sanders 1988-2-3 7598 Los Angeles Pacific slope, El Segundo Dunes, west of Los Angeles International Airport & Pershing Drive, east of Vista Del Mar Blvd. 30 Comment
  RSA708805  Hordeum murinum subsp. glaucum Valerie L. Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1149 Los Angeles Ridgetop above McDonald Creek. 427 Comment
  SFV21396  Hordeum murinum subsp. glaucum L. Gross 2002-4-13 526 Los Angeles Verdugo Mountains Intersection of Stough Canyon Mountainway and Verdugo Mountainway along main crest. 579 Comment
  IRVC26986  Hordeum vulgare A. C. Sanders, Andy Thompson 2003-4-17 26077 Los Angeles Newhall Ranch, NW of Magic Mountain amusement park, between M.M. and The Old Road, north of M.M. Parkway NE end of Santa Susana Mtns. 351 Comment
  UC860571  Horkelia cuneata subsp. puberula Louis C. Wheeler 1932-5-23 753 Los Angeles San Gabriel Wash at Arrow Highway; San Gabriel Wash at Arrow Highway 106 Comment
  UCD169682  Hosackia crassifolia var. crassifolia Louis C. Wheeler 1967-9-29 s.n. Los Angeles San Gabriel Mountains: Ridge 1/2 mile WNW Pine Mt. 1249 Comment
  RSA0011527  Hosackia oblongifolia var. oblongifolia Orlando Mistretta, Christine Mistretta 2011-6-23 5727 Los Angeles Aliso Cyn drainage. Near head of Gleason cyn, W of jct. of Forest Rd. 4N24 and Pacific Crest Trail. 1679 Comment
  RSA94159  Hulsea heterochroma F. W. Peirson 1919-7-3 514 Los Angeles San Gabriel Mts: on Lukens Peak trail. 1220 Comment
  UCR271149  Hulsea heterochroma R. G. Swinney 2011-7-8 15511 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
  RSA229741  Hulsea vestita subsp. gabrielensis Wesley O. Griesel 1961-6-1 s.n. Los Angeles State Highway #2 near Valcrest 1828 Comment
  RSA761709  Hypericum formosum R. G. Swinney 2008-10-10 9547 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  JEPS30508  Hypochaeris glabra Donald Kyhos 1958-3-21 31 Los Angeles East Whittier Comment
  UCD126558  Ipomoea indica T. C. Fuller 1963-4-25 10301 Los Angeles north of highway bridge over creek, Pacific Coast Hwy (101 Alt.), mouth of Topanga Canyon. Comment
  SBBG112934  Isocoma menziesii S. A. Junak with K. Kirkland 1979-11-15 SCa 485 Los Angeles 1 mi N of Cactus Pk, at E end of conspicuous limestone ridge 387 Comment
  RSA766855  Isolepis cernua Justin M. Wood 2009-9-9 1288 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  CAS-BOT-BC101897  Juglans californica Louis C. Wheeler 1932-4-2 549 Los Angeles Head Mandeville Canyon, Santa Monica Mts 487 Comment
  POM199723  Juglans californica I. W. Clokey, Bonnie C. Templeton 1929-04 4465 Los Angeles Mandeville Canyon, Santa Monica Mts. 350 Comment
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Jan 1 2012
  RSA0062530  Juglans californica R. G. Swinney 2010-6-4 13054 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  UCSB51796  Juglans californica Bishop, Richard 1967-5-14 Los Angeles Bull Creek; 1 mi. east of intersection of Balboa and Rinaldi Streets; town of Granada Hills Comment
  UCSB70459  Juglans californica Gross, LeRoy; Soza, Valerie 2001-5-31 Los Angeles Los Angeles Basin: Vedugo Mountains Region: Southeast side. Along Las Flores Mountain Way, dirt road south of Polaris Dr. 396 Comment
  RSA681264  Juglans californica var. californica Scott D. White 2003-6-2 9440 Los Angeles Puente Hills: City of Industry, just northwest of SR 60 / SR 57 freeway at Grand Ave. exit. 183 Comment
  RSA0011174  Juglans californica var. californica Wesley O. Griesel 1986-4-28 s.n. Los Angeles Placerita Canyon, along trail between Headquarters and Walker Ranch. Comment
  RSA0047637  Juglans hindsii R. E. Riefner Jr. 2014-5-10 14 -113 Los Angeles San Fernando Valley, City of Los Angeles, Sepulveda Flood Basin, Sepulveda Basin Wildlife Area, Haskell Creek near Woodley Park, east of Woodley Ave., west of San Diego Freeway, north of Burbank Blvd. 213 Comment
  RSA755954  Juncus Dan S. Cooper 2007-5-4 3 Los Angeles Griffith Park. c. 300 m south of Travel Town in small side canyon. Comment
  RSA0116575  Juncus balticus R. G. Swinney 2010-6-8 13231 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 100-300 m south of Placerita Cyn. in Los Pinetos Cyn. 573 Comment
  POM1547  Juncus bufonius I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. Comment
  SD237243  Juncus bufonius R. G. Swinney 2009-6-2 11022 Los Angeles Transverse Range; San Gabriel Mtns.: Horse Flates, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA182042  Juncus duranii Victor Duran 1933-7-22 3527 Los Angeles Buckhorn, San Gabriel Mountains 1981 Comment
  UCR194169  Juncus macrophyllus R. G. Swinney 1998-7-24 6556 Los Angeles San Gabriel Mtns., Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge 2012 Comment
  RSA368130  Juncus mexicanus Anonymous 1978-6-21 1030 Los Angeles Hungry Valley, about 0.5 mile west of Gorman. 1220 Comment
  RSA587169  Juncus rugulosus Orlando Mistretta 1995-10-2 1934 Los Angeles San Gabriel Mountains: Little Rock Creek. Upstream from Basin Campground 1037 Comment
  RSA7647  Juncus textilis Fay A. MacFadden 1930-4-10 2381 Los Angeles Verdugo Mountains: Tuna Canyon 335 Comment
  RSA674581  Juncus xiphioides Scott D. White 2000-8-25 8127 Los Angeles San Gabriel Mts: Tanbark Flats, in San Dimas Experimental Forest. 732 Comment
  UCR194592  Juncus xiphioides R. G. Swinney 1999-6-21 7362 Los Angeles San Gabriel Mtns., spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  UCSB6149  Keckiella antirrhinoides Gill, Robert 1959-4-16 Los Angeles Pomona College 365 Comment
  RSA401752A  Keckiella cordifolia Reid V. Moran 1941-2-25 629 Los Angeles Santa Catalina Island. Near creek to top of ridge, Johnson's Valley. 220 Comment
  RSA724656  Keckiella cordifolia K. Dobry 1991-6-24 d- 739 Los Angeles At Soka Univ. Santa Monica Mts. Las Virgenes and Mulholland Hwy. Comment
  RSA0087104  Keckiella cordifolia Steven A. Junak 2001-5-4 SCa- 1495 Los Angeles Santa Catalina Island. E of Parson's Landing. 121 Comment
  RSA97667  Keckiella cordifolia R. M. Straw 1954-6-16 613 Los Angeles 0.5 mi. above ranger station, on old road in chaparral; Angeles Crest Hwy, San Gabriel Mountains. Comment
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Dec 11 2014
  SBBG50894  Keckiella ternata subsp. ternata R. S. Woglum 1937-7-17 842 Los Angeles Soldier Crk, upper San Gabriel River Cyn 1371 Comment
  UCR272600  Keckiella ternata subsp. ternata R. G. Swinney 2011-7-7 15427 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
  UCR273440  Keckiella ternata subsp. ternata R. G. Swinney 2011-10-25 15854 Los Angeles San Gabriel Mountains, along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek 1001 Comment
  CAS-BOT-BC246117  Keckiella ternata var. ternata W. R. Dudley 1900-7-9 s.n. Los Angeles Near summit of Mt. Lowe, San Gabriel Mountains Comment
  LA200969  Kickxia elatine Carl Wishner; 1997-10-16 2537 1 Los Angeles SANTA MONICA MOUNTAINS, Winter Canyon, Pepperdine University, Malibu 50.0 Comment
  CATA1417  Lactuca saligna Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1995-11-11 2573 Los Angeles Santa Catalina Island: Below Wrigley Garden entry gates, by fire hydrant, upper Avalon Canyon 106 Comment
  RSA713822  Lagophylla ramosissima Mark Elvin 2003-6-12 2946 Los Angeles Santa Clarita Valley: Newhall Ranch, S of Magic Mountain Amusement Park, W of The Old Road. 366 Comment
  CATA762  Lamarckia aurea Mark L. Hoefs 1991-5-28 1300 Los Angeles Santa Catalina Island: At Black Jack Campground 490 Comment
  POM1249  Lamarckia aurea C. F. Baker 1909-5-20 5270 Los Angeles Claremont. 365 Comment
  POM204584  Lamarckia aurea Le Roy Abrams 1903-4-9 3244 Los Angeles Inglewood Comment
  RSA659124  Lamarckia aurea LeRoy Gross 2001-3-16 340 Los Angeles Los Angeles Basin: Verdugo Mountains region: North side: Whiting Woods Mountainway; dirt road at end of Whiting Woods Road, in the city of Verdugo City, road starts at Henderson Canyon and climbs to the main crest. 488 Comment
  SBBG96662  Lamarckia aurea S. Boyd with T. Ross, L. Arnseth 1990-4-7 4246 Los Angeles lower half of China Cyn Comment
  SEINET4044592  Lamarckia aurea D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 137 Comment
  RSA651637  Lamium amplexicaule G. F. Orr 1956-3-12 s.n. Los Angeles At junction of Sepulveda Blvd. and Mulholland Dr., Sherman Oaks. 244 Comment
  UC410811  Lampranthus Eric Walther 1929-7-10 Los Angeles Santa Monica, ( Hugh Evans') Santa Monica Comment
  RSA674536  Lantana montevidensis LeRoy Gross 2003-2-22 745 Los Angeles South side; A short distance up mouth of Brand Canyon, west next to Brand Canyon Cemetery. North of the Debris Basin. 287 Comment
  RSA657446  Lantana montevidensis S. Campbell 1980-6-2 30 Los Angeles Verdugo Mountains Region: Found 50 feet west of Sierra Place. 244 Comment
  RSA652033  Larrea tridentata R. Carlston 1961-4-28 s.n. Los Angeles by Ave. N. Palmdale. Comment
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Aug 2 2008
  SEINET10479881  Lastarriaea coriacea LeRoy R. Abrams Abrams 1218 Los Angeles Santa Monica Mountains Comment
  HSC46445  Lasthenia californica M. B. Dunkle 1940-3-17 7401 Los Angeles N ridge, Santa Barbara Island Comment
  POM361600  Lasthenia californica James Richards 1949-4-27 4276 Los Angeles Los Padres National Forest. 457 Comment
  SD251674  Lasthenia californica M. B. Dunkle 1939-4-4 7261 Los Angeles San Clemente Island; Chenetti Canyon. Comment
  SD28068  Lasthenia californica Carl B. Wolf 1932-5-10 3518 Los Angeles Santa Catalina Island; along the equestrian trail, back of Avalon. 850 Comment
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May 30 2012
  CAS-BOT-BC354218  Lasthenia coronaria L. R. Abrams 1901-4-6 1336 Los Angeles Chatsworth Park Comment
  UCD133646  Lasthenia coronaria Daryl Koutnik 1978-4-28 436 Los Angeles Cornell Corners, south of Agoura Road on Cornell Road. 304 Comment
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Oct 1 2018
  CAS-BOT-BC329162  Lasthenia glabrata subsp. coulteri Le Roy Abrams 1899-4-1 361 Los Angeles Ballon Marshes Comment
  JEPS15066  Lasthenia gracilis Geo. B. Grant 1907-1-1 98 Los Angeles Pasadena Comment
  UC284966  Lasthenia gracilis P. A. Munz 1923-4-9 6688 Los Angeles near Lemon Tank; San Clemente Island Comment
  UCR142897  Lasthenia gracilis M. B. Dunkle 1939-4-4 7261 Los Angeles Channel Islands, Chenetti Canyon, San Clemente Island Comment
  UCR71379  Lasthenia gracilis Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4384 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, third canyon south of Bryce Canyon 427 Comment
  LA200460  Lathyrus vestitus var. vestitus Carl Epling; L. Ellison 1929-3-16 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  SBBG12937  Lavatera assurgentiflora subsp. glabra E. R. Blakley 1961-9-23 4739 Los Angeles Bird Rock, 0.5 mi offshore from Isthmus Harbor; ISOTYPE Comment
  CAS-BOT-BC321165  Layia glandulosa Geo. B. Grant 1901-3-19 15550 Los Angeles Garvanza, Arroyo Seco Comment
  RSA630365  Layia glandulosa L. C. Wheeler 1973-4-7 s.n. Los Angeles Kentucky Springs Canyon. 1220 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
  UCR193721  Layia glandulosa R. G. Swinney 1999-4-5 7063 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
  UCR205859  Layia glandulosa R. G. Swinney 2008-5-8 8809 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  CAS-BOT-BC321533  Layia glandulosa Timothy S. Ross 1991-4-27 4636 Los Angeles Mojave Desert: Fort Tejon Rd, 0.1 mi W of its jct with Hwy 138 (& hiking +- S to SSW), ca 0.25--0.3 mi W of the county line. 1203 Comment
  UCSB16970  Layia glandulosa Otey, D. 1963-5-5 Los Angeles California Highway 138, 9.4 miles west of San Bernardino County Line 944 Comment
  CAS-BOT-BC377811  Layia platyglossa Geo. B. Grant 1901-5-1 111 Los Angeles Garvanza Comment
  UC284183  Layia platyglossa P. A. Munz 1923-4-9 6673 Los Angeles e coast San Clemente Island Comment
  UCR76404  Layia platyglossa subsp. campestris T. S. Ross 1992-4-14 6151 Los Angeles Channel Islands, San Clemente Island: central east side of island 137 Comment
  UCD85248  Lepechinia fragrans Christopher Michael Bronny 2010-6-8 25 Los Angeles Los Angeles County; Central portion of Glendora Fuelbreak; San Gabriel Mountains. 600 Comment
  UCR147269  Lepechinia fragrans Orlando Mistretta, Mike Hammitt 1991-6-21 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Along USFS Road 2N66. Just west of junction with 2N65.1. Over looking Fern Canyon to the N 732 Comment
  UCR222634  Lepidium appelianum David Charlton 2010-7-21 s.n. Los Angeles Western Mojave Desert, Edwards Air Force Base, SW of Piute Ponds and adjacent to Shuttle Road and District 14 waste water outlet, west side of Shuttle Road at curve 698 Comment
  RSA0091363  Lepidium fremontii R. G. Swinney 2011-4-1 14302 Los Angeles WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  UC673528  Lepidium fremontii H. L. Mason 1926-4-27 3056 Los Angeles 30 mi w Victorville; Mohave Desert Comment
  CAS-BOT-BC89532  Lepidium lasiocarpum Martin A. Piehl 1962-6-9 62359 Los Angeles California Channel Islands. San Clemente Island. At China Point. 15 Comment
  UCR141501  Lepidium latifolium LeRoy Gross 2002-10-5 668 Los Angeles Transverse Ranges: San Gabriel-Verdugo Mtns, Devil's Gate Reservoir, NE of the San Rafael Hills, in the Arroyo Seco river channel, just west of the city of Altadena 335 Comment
  SDSU19983  Lepidium nitidum S. H. Bullock 1968-4-6 63 Los Angeles Claremont, north of foothill Blvd. between Dartmouth and College Ave. 351 Comment
  RSA177868  Lepidium nitidum R. F. Thorne, P. Everett 1965-5-11 34644 Los Angeles Along road to Rancho Escondito above Cottonwood Dam in Cottonwood Canyon, Santa Catalina Island. 107 Comment
  SBBG14241  Lepidium oblongum M. A. Piehl 1962-6-9 62364 Los Angeles Thirst 597 Comment
  RSA609973  Lepidium strictum L. C. Wheeler 1970-6-2 s.n. Los Angeles Los Angeles: USC Campus. Comment
  RSA591979  Lepidium virginicum Mark Hoefs, D. Propst 1973-3-3 33 Los Angeles Santa Catalina Island: west side of Black Jack Mt. 412 Comment
  RSA49009  Lepidium virginicum var. robinsonii J. C. Roos 1950-2-14 4706 Los Angeles Between Rinehart St. and Prospect Park, Los Angeles Comment
  CAS-BOT-BC328068  Lepidospartum squamatum Ernest C. Twisselmann 1955-8-10 2318 Los Angeles San Emigdio Range. Castaic Valley, 0.3 mi E of Kern County Line 1226 Comment
  CHSC20920  Lepidospartum squamatum Robert A. Schlising 1971-10-19 3004 Los Angeles Lopez Canyon, north of Pacoima. Comment
  OBI82176  Lepidospartum squamatum R. G. Swinney 2009-11-13 11604 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert: confluence of Little Rock Creek and Carr Canyon, N of Mt. Emma Rd. 909 Comment
  UC1069792  Lepidospartum squamatum P. L. Johannsen 1934-2-8 270 Los Angeles 3/4 mi nw Newhall; Santa Susana Quad., Placerita Creek Comment
  CAS-BOT-BC320589  Leptochloa Peter Rubtzoff 1988-10-7 9961 Los Angeles Gold Creek Road near junction with Little Tujunga Road, Little Tujunga Canyon, ca. 2 miles northeast of the entrance to Angeles National Forest, or ca. 4 miles northeast of junction of Osborne Street and Foothill Blvd., San Gabriel Mountains. 478 Comment
  UCR248883  Leptochloa fusca subsp. uninervia Peter Rubtzoff 1988-10-7 9961 Los Angeles San Gabriel Mountains, Gold Creek Road near junction with Little Tujunga Road, Little Tujunga Canyon, c. 2 miles NE of entrance to Angeles National Forest, or c. 4 miles NE of junction of Osborne St. and Foothill Blvd. 479 Comment
  UCR78144  Leptodactylon californicum Wandalee Thompson 1964-4-22 34 Los Angeles Transverse Range; Liebre Mtns., Cottonwood Campground, Elizabeth Lake Canyon Road, Angeles National Forest 808 Comment
  UC30200  Leptodactylon californicum W. H. Brewer Feb. 1861 201 Los Angeles San Fernando Plain Comment
  UC147934  Leptodactylon californicum subsp. glandulosum C. F. Baker 1909-5-15 5313 Los Angeles San Antonio Canyon Comment
  CHSC3694  Leptosiphon breviculus Mary MacArthur 1966-6-4 40 Los Angeles Chilao. Stream bed. 1524 Comment
  RSA729743  Leptosiphon breviculus R. G. Swinney 1998-7-8 6306 Los Angeles San Gabriel Mtns.: N of Wrightwood, eastern end of Jackson Flat. 2287 Comment
  RSA729830  Leptosiphon breviculus R. G. Swinney 1998-7-8 6351 Los Angeles San Gabriel Mtns.: Wright Mountain, south of Wrightwood. 2585 Comment
  SBBG20165  Leptosiphon chrysanthus subsp. chrysanthus M. A. Piehl 1963-5-18 63313 Los Angeles just N of Godde Pass 914 Comment
  SD45370  Leptosiphon ciliatus Herbert L. Mason 1927-6-11 3747 Los Angeles Mount Wilson, San Gabriel Mountains. 1524 Comment
  LA201818  Leptosiphon liniflorus Arthur C. Gibson; 2003-6-22 4949 Los Angeles SANTA MONICA MOUNTAINS, Agoura Hills, above Cornell Corners, on road behind businesses near Kanan-Dume Rd. Comment
  LA99309  Leptosiphon liniflorus Henry J. Thompson; 1959-5-21 2036 Los Angeles SANTA MONICA MOUNTAINS, Lake Eleanor Creek, at junction of Potrero Rd and Decker Rd [Westlake Blvd], 0.7 mi E of Lake Sherwood. 274 Comment
  RSA725754  Leptosiphon parviflorus A. C. Sanders, Mark Elvin, et al. 2003-5-1 26268 Los Angeles Western San Gabriel Mtns.: NE side of Castaic Mesa, near Angeles National Forest boundary, ca. 0.6 mi. due west of confluence of Bitter and Charlie Canyons 442 Comment
  RSA0074222  Leptosiphon parviflorus Peter H. Raven 1960-5-15 15366 Los Angeles Santa Monica Mountains: Piuma Road 2.7 miles east of Rambla Pacifica. 427 Comment
  IRVC28594  Lessingia glandulifera A. C. Sanders, Mark Elvin 2002-6-19 25192 Los Angeles Newhall Ranch, "Long Cyn." 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 335 Comment
  CAS-BOT-BC339284  Lessingia glandulifera var. glandulifera Ernest Braunton 1902-9-1 694 Los Angeles Arroyo Seco Comment
  RSA65442  Lewisia rediviva F. W. Peirson 1921-6-16 4686 Los Angeles along stream north of Mt. Waterman, San Gabriel Mountains 1860 Comment
  UCR192822  Lewisia rediviva R. G. Swinney 1998-7-6 6295 Los Angeles San Gabriel Mtns., Grassy Hollow, east of Jackson Flats, on ridge c. 200 m north of entrance to Grassy Hollow Campground 2195 Comment
  POM365313  Leymus condensatus George R. Johnstone 1934-5-20 s.n. Los Angeles Santa Catalina Island. Descanso Canon. Comment
  RSA188300  Leymus triticoides R. F. Thorne 1966-6-2 36524 Los Angeles Santa Catalina Island, canyon leading to White's Landing, back of beach along stream bed. 15 Comment
  SEINET10866984  Libocedrus decurrens Joseph A. Ewan 1936-8-2 Ewan 9926 Los Angeles Cedar Canyon off Mescal Creek. Frequent along shaded creek borders, with Pinus lambertiana and ponderosa. San Gabriel Mts. 6300 feet. 1940 Comment
  UCR19535  Lilium humboldtii John P. Hill 1932-6-18 s.n. Los Angeles Verdugo woodlands in the Verdugo Hills 292 Comment
  LA22056  Lilium humboldtii subsp. humboldtii E. Crow; 1930-6-28 sn Los Angeles San Gabriel Mountains, Bichota Canyon Comment
  RSA377136  Lilium humboldtii subsp. ocellatum John P. Hill 1932-6-18 s.n. Los Angeles Verdugo Woodlands. Comment
  RSA681143  Lilium humboldtii subsp. ocellatum LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1046 Los Angeles South side of mountains: Brand Canyon, above the large waterfall, where the canyon forks off. 519 Comment
  LA22074  Lilium parryi W. R. Ernst; May 1947 sn Los Angeles Little Cedar Canyon, Crystal Lake Comment
  RSA0019910  Limonium duriusculum Emile Fiesler 2013-10-21 2013 -001 Los Angeles Along northern end of Seabreeze Trail, 250 feet west of western end of Sailview Avenue, Rancho Palos Verdes 320 Comment
  IRVC28165  Linanthus androsaceus A. C. Sanders, Mark A. Elvin, et al. 2003-5-1 26268 Los Angeles NE side of Castaic Mesa, near Angeles National Forest boundary, ca. 0.6 mi. due west of confluence of Bitter and Charlie Canyons Western San Gabriel Mtns. 442 Comment
  SEINET7063574  Linanthus aureus A. G. Vestal 1947-4-8 s.n. Los Angeles Near Littlerock on Route 139. UTM Zone 11, 409714mE, 3820375mN. (WGS84/NAD83). 881 Comment
  UC303618  Linanthus aureus I. Johnston May 1917 977 Los Angeles San Gabriel Wash 152 Comment
  CLARK-A1528-3442  Linanthus breviculus John C. Roos 1937-5-31 759 Los Angeles San Gabriel Mountains Comment
  CAS-BOT-BC226762  Linanthus californicus Geo. B. Grant 1904-5-5 6189 Los Angeles Arroyo Seco Canyon Comment
  RSA0103921  Linanthus californicus R. G. Swinney 2011-6-23 15315 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
  RSA654197  Linanthus californicus Kelly Middleton, David Middleton 1988-5-8 1 Los Angeles Glendora Ridge Road, 4.4 miles north of Glendora Mountain road and Sierra Madre Blvd. in Glendora 1220 Comment
  JEPS58328  Linanthus ciliatus Frank W. Peirson 1919-6-6 455 Los Angeles North Fork San Antonio Cnayon San Gabriel Mountains 1981 Comment
  SBBG116977  Linanthus dianthiflorus S. A. Junak with K. Kirkland 2001-4-13 SCa 1428 Los Angeles old rd, on ridgetop overlooking Empire Landing 225 Comment
  RSA0116314  Linanthus dichotomus A. C. Sanders, T. B. Salvato, Aaron Keller 2006-3-22 31965 Los Angeles Tehachapi Mtns. Foothills: south side of Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake. 1006 Comment
  RSA709633  Linanthus dichotomus LeRoy Gross 2005-4-28 2114 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  RSA0068962  Linanthus dichotomus subsp. pattersonii T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4960 Los Angeles Soledad Canyon Wash: about half mile E of Acton. 829 Comment
  RSA772524  Linanthus parryae R. G. Swinney 2009-5-13 10761 Los Angeles upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills. 1122 Comment
  RSA400296  Linaria canadensis var. texana Reid V. Moran 1941-2-28 656 Los Angeles Santa Catalina Island, Johnson's Valley 100 Comment
  UC557653  Lithophragma maximum N. Murbarger 118 Los Angeles San Clemente Island Comment
  RSA702432  Lobelia dunnii var. serrata Scott D. White 2004-7-28 10658 Los Angeles San Gabriel Mountains: Clear Creek area. In and around The Pines picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  RSA133800  Lobularia maritima P. H. Raven 1959-2-15 13784 Los Angeles Beverly Glen Canyon 2.6 miles north of Sunset Blvd. 213 Comment
  LA30867  Lobularia maritima Peter H. Raven; Jane Turner, Barbara Whitesel 1959-3-15 C 170 Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  RSA709617  Loeflingia squarrosa LeRoy Gross 2005-4-28 2137 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  UC1871234  Loeflingia squarrosa T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4957 Los Angeles Transverse Ranges; Liebre Mountains region; Soledad Canyon Wash: about half mile E of Acton; T5N R13W, W1/2 SE1/4 SE1/4 section 36; elevation 2720 feet. 829 Comment
  JEPS69139  Loeseliastrum matthewsii Frank W. Peirson 1921-5-19 952 Los Angeles Little Rock Creek San Gabriel Mts., Little Rock Creek 1036 Comment
  SBBG64754  Loeseliastrum matthewsii R. Hoffmann 1927-6-14 Los Angeles Palmdale Comment
  SBBG31421  Logfia filaginoides R. F. Thorne 1966-4-5 35851 Los Angeles above stream in Cottonwood Cyn 106 Comment
  CATA1608  Logfia gallica Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Janet Takara 1998-5-1 2877 Los Angeles Santa Catalina Island: West side of Swain's Canyon, ridge to Whitley's Peak 432 Comment
  UC1595262  Logfia gallica Tim Ross and Peter Fritsch 1990-6-20 3623 Los Angeles near the confluence of the e and w forks San Gabriel River; San Gabriel Mountains, Burro Canyon 445 Comment
  CAS-BOT-BC283441  Lolium multiflorum John H. Thomas 1957-5-17 6768 Los Angeles Occidental College Campus, Los Angeles. Near Moore Laboratory Comment
  RSA762299  Lolium perenne subsp. multiflorum Orlando Mistretta, Christine Mistretta 2008-5-5 2653 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon. 627 Comment
  POM50346  Lomatium lucidum L. R. Abrams 1901-4-3 1281 Los Angeles Santa Monica Mounatains 244 Comment
  UCD127799  Lomatium utriculatum Daryl Koutnik 1978-4-28 440 Los Angeles Cornell Corners, south of Agoura Road on Cornell Road. 304 Comment
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Oct 1 2018
  JEPS14081  Lomatium utriculatum W. L. Jepson 1939-4-21 19229 Los Angeles Leonis Valley 975 Comment
  UCSB18145  Lomatium utriculatum Day, Fran 1964-4-25 Los Angeles U.S. Highway 99 and Gorman turnoff 1158 Comment
  CAS-BOT-BC240493  Lonicera hispidula Lester Rowntree 1938-3-15 s.n. Los Angeles Catalina Comment
  UC1188239  Lonicera hispidula var. vacillans P. C. Everett 1960-9-27 24293 Los Angeles along ridge road to Airport; Catalina Island 365 Comment
  RSA732852  Lonicera interrupta R. G. Swinney 2001-6-2 7960 Los Angeles Mojave Desert: Juniper Hills area, Cruthers Creek 1.1 mi. south of Devils Punchbowl Rd. 1311 Comment
  CAS-BOT-BC234872  Lonicera subspicata var. denudata V. Bailey 1907-10-29 s.n. Los Angeles Santa Monica Mts., (n. slope) Comment
  CHSC102902  Lonicera subspicata var. denudata L. P. Janeway 2009-5-15 9786 Los Angeles Peninsular Ranges. North slope of Puente Hills; Shabarum Regional County Park, along Shabarum Trail; 1.7 air km south-wouthwest of the junction of S. Azuza Ave and Colima Road. 342 Comment
  CHSC8090  Lonicera subspicata var. denudata Edward L. Smith 1958-2-20 328 Los Angeles Located in Cobal Canyon. San Gabriel Mtns. 609 Comment
  POM88089  Lonicera subspicata var. denudata I. M. Johnston 1924-8-13 s.n. Los Angeles Sunset trail, 1 mi. S of Sunset Peak 1584 Comment
  UC1125306  Lonicera subspicata var. denudata A. D. Gifford 1935-4-19 552 Los Angeles 6 1/2 mi nne Redrock Mtn.; Tejon Quadrangle Comment
  UCR273376  Lonicera subspicata var. denudata R. G. Swinney 2011-6-22 15258 Los Angeles San Gabriel Mountains, Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy 1790 Comment
  RSA0054965  Lonicera subspicata var. johnstonii Lee Haines 1935-7-2 s.n. Los Angeles Tan Bark Flat, San Gabriel Mts. Comment
  RSA3686  Lotus argophyllus var. ornithopus C. B. Wolf 1932-5-10 3530 Los Angeles Equestrian Trail back of Avalon, Santa Catalina Island. 305 Comment
  RSA406757  Lotus argophyllus var. ornithopus Anonymous 1906-07 s.n. Los Angeles Santa Catalina Island Comment
  UCR191302  Lotus crassifolius R. G. Swinney 1998-7-2 6265 Los Angeles San Gabriel Mtns., north of Table Mountain, Wrightwood area, 1.6 mi. north of junction of roads 4N21B, 4N21A, and 4N21 on ridge north of end of 4N21 1963 Comment
  RSA600067  Lotus crassifolius var. crassifolius Steve Boyd, Lauren Raz 1997-5-20 9822 Los Angeles Liebre Mountains region: Southeastern flank of Liebre Mountain, along ridge dividing Fish Canyon and Bear Canyon drainages, northeast of Atmore meadows, along rough dirt track following old fuelbreak. 1676 Comment
  POM243731  Lotus hamatus F. R. Fosberg 1931-3-26 S- 4394 Los Angeles Santa Catalina Island. Above St. Catherine Hotel. 15 Comment
  RSA582452  Lotus hamatus L. C. Wheeler 1934-3-24 2476 Los Angeles Liveoak Canyon, San Gabriel Mountains. 488 Comment
  RSA618784  Lotus humistratus L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon approximately 1/2 mile east of Blum Ranch. 945 Comment
  UC1595449  Lotus oblongifolius Tim Ross 1992-7-10 6650 Los Angeles between Coldwater Canyon and Wickiup Canyon; San Gabriel Mountains, Big Tujunga Creek 967 Comment
  SEINET3131507  Lotus oblongifolius var. oblongifolius G. B. Grant 1904-6-17 710 Los Angeles Pasadena Comment
  POM175359  Lotus oblongifolius var. oblongifolius E. Crow 1930-6-29 s.n. Los Angeles near camp coldbrook Comment
  UCR125967  Lotus purshianus A. C. Sanders, Mark Elvin 2002-6-19 25158 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
  RSA675736  Lotus salsuginosus Scott D. White 2001-6-5 8562 Los Angeles Liebre Mountains: Grasshopper Canyon area. 427 Comment
  UC200702  Lotus salsuginosus Katharine Brandegee Los Angeles Santa Catalina Island Comment
  UCR78128  Lotus salsuginosus Wandalee Thompson 1964-4-11 9 Los Angeles San Gabriel Mtns., Liebre Mountains, Angeles National Forest, near Green Valley, San Francisquito Canyon 854 Comment
  POM199541  Lotus salsuginosus var. salsuginosus I. W. Clokey, B. C. Templeton 1929-03 4517 Los Angeles Mandeville Canyon, Santa Monica Mountains. 350 Comment
  RSA406806  Lotus salsuginosus var. salsuginosus F. R. Fosberg 1931-3-24 S- 4352 Los Angeles Santa Catalina Island. Hamilton Canyon near Avalon. 80 Comment
  UCR78089  Lotus salsuginosus var. salsuginosus David Charlton 1991-7-5 5502 Los Angeles San Gabriel Mtns., Lake Hughes Road, south of Castaic Lake, l mi. [NE] of Visitor Center 400 Comment
  RSA406817  Lotus salsuginosus var. salsuginosus L. C. Wheeler 1934-4-22 2537 Los Angeles W side Big Santa Anita Canyon, San Gabriel Mts. 487 Comment
  SFV1859  Lotus scoparius K. A. Wilson 1961-3-12 1013 Los Angeles Santa Monica Mountains Decker Road, junction of western portion of Mulholland Highway. 457 Comment
  UC864884  Lotus scoparius Ira W. Clokey, B. Templeton May 1929 4480 Los Angeles Mandeville Cnayon Santa Monica Mountains Comment
  UCR277194  Lotus scoparius subsp. scoparius R. G. Swinney 2010-5-25 12951 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA725190  Lotus scoparius var. brevialatus Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -100 Los Angeles N side of the San Gabriel Mountains. Right at the North End of Bob's Gap. 1433 Comment
  RSA407712  Lotus scoparius var. scoparius O. R. Dorado R. 1987-6-10 1693 Los Angeles San Gabriel Mountains; near Rincon Ranger Station. 762 Comment
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Sep 17 2014
  UCR127151  Lotus scoparius var. scoparius A. C. Sanders, Mark A. Elvin 2003-6-18 26953 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
  UCR270070  Lotus scoparius var. scoparius R. G. Swinney 2010-5-12 12724 Los Angeles San Gabriel Mountains, Barrell Springs Road at jct. with 42nd St. East, on SW side of road from 30 to 150 meters west of 42nd, NE side of Palmdale Ditch, San Andreas Rift Zone 921 Comment
  IRVC28383  Lotus strigosus A. C. Sanders, Tricia Wotipka 2003-4-28 26108 Los Angeles Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon Western San Gabriel Mtns. 427 Comment
  RSA702167  Lotus strigosus Michael Honer 2004-6-22 1992 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon and Hog Back. 854 Comment
  LA210571  Ludwigia peploides subsp. peploides Arthur C. Gibson; 2003-7-25 4939 Los Angeles 220 Comment
  RSA406963  Lupinus agardhianus M. B. Dunkle 1929-4-7 2114 Los Angeles Moonstone Beach Comment
  SD251732  Lupinus albifrons F. R. Fosberg 1931-5-12 S 4849 Los Angeles Santaa Catalina Island; Descanso Canyon near Coach Road. 299 Comment
  SEINET10870956  Lupinus arboreus David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 years old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by d.b.dunn. Rsa # 6846 x 6450 (1) Comment
  IRVC26312  Lupinus bicolor A. C. Sanders, Andy Thompson 2003-4-15 26000 Los Angeles Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 396 Comment
  JEPS64999  Lupinus bicolor Frank W. Peirson 1919-5-10 413 Los Angeles Arraster Canyon San Gabriel Mts., Arraster Canyon 838 Comment
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Aug 21 2014
  LA52461  Lupinus bicolor W. O. Griesel; 1936-5-9 sn Los Angeles SANTA MONICA MOUNTAINS, Latigo Canyon Rd. near Mulholland. Comment
  SD227814  Lupinus bicolor G. Helmkamp 1997-3-6 1345 Los Angeles Western Mojave Desert west of Lancaster. Flat area used for sheep grazing at 125th St. & CA-138. 762 Comment
  SFV22132  Lupinus bicolor V. Soza, S. Caplow 2003-4-11 1629 Los Angeles Verdugo Mountains Head of Brand Canyon in vicinity of Brand Park, alongside Brand Park Mountainway, north side of powerline tower on west-northwest-facing slope. 640 Comment
  UCR155118  Lupinus bicolor A. C. Sanders 2005-5-5 29920 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, hills at SW end of Cruzan Mesa at Bench Mark 'Plum 701 Comment
  UCR88675  Lupinus bicolor Scott D. White, Chet McGaugh 1995-5-9 2994 Los Angeles Transverse Range; Eastern Santa Susana Mtns, just west of San Gabriel Mtns: 'Sunshine Canyon' (name not shown on topo): west of San Fernando Road and Hwy I-5 Fwy, just SW of interchange with State Route 14. Sunshine Canyon Landfill property, site proposed for landfill expansion 488 Comment
  SEINET4035700  Lupinus bicolor var. microphyllus D. B. Dunn 1947-1 2949 Los Angeles route from Newhall to Palmdale, Action Junction on northwest side of highway, in open field. Comment
  SEINET10488595  Lupinus breweri Robert F. Thorne, C. W. Tilforth 1972-8-11 Thorne 42213 Los Angeles San gabriel mts., Angeles nat'l forest: flat summit of mt. Waterman, elev. C. 7900 Ft in yellow pine forest with pinus jeffreyi, eriogonum wrightii Subscaposum, oreonana vestita, chainactis santolinoides, sitanion hystrix, Stipa sp., Etc.; Silvery-leaves mat- forming perennial with purplish fls. Comment
  CAS-BOT-BC187879  Lupinus chamissonis Alice Eastwood 1906-5-29 78 Los Angeles Ocean Park Comment
  POM2554  Lupinus chamissonis I. M. Johnston 1917-6-10 1338 Los Angeles Ballona Creek, near Mesmer. Comment
  SD12596  Lupinus chamissonis Edith A. Purer 1935-5-12 6597 Los Angeles El Segundo Comment
  SBBG129041  Lupinus chamissonis J. George, A. S. George 2014-1-15 Los Angeles Redondo Beach, immediately E of intersection of Artesia Blvd and Goodman Ave 33 Comment
  SEINET12154481  Lupinus chamissonis Unknown 1933-1 10354 Los Angeles Playa del Rey Comment
  RSA594537  Lupinus concinnus L. C. Wheeler 1967-5-9 9374 Los Angeles Aliso Canyon, east of Acton, ca. 1 mile downstream from Wagon Wheel Ranch. 1067 Comment
  RSA617366  Lupinus concinnus Steve Boyd, Richard K. Brummitt, Laura Moore 1998-5-26 10231 Los Angeles Liebre Mountains region: Warm Springs Mountain, knoll northwest of summit along road into Necktie Basin. 1133 Comment
  UCR209950  Lupinus elatus R. G. Swinney 2008-7-15 9225 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  SD146266  Lupinus excubitus A. C. Sanders, D. Malueg 1998-6-24 22060 Los Angeles San Gabriel Mountains, CCC Ridge, off Hwy 2 just north of Pasadena city limits, So. CA Edison Mesa-Vincent transmission line at tower 16-2, open disturbed area; Condor Peak 7.5' quad. 822 Comment
  RSA407098  Lupinus excubitus var. austromontanus Anstruther Davidson 1893-6-12 s.n. Los Angeles Mt. Disappointment. Comment
  RSA152096  Lupinus excubitus var. johnstonii Wesley O. Griesel 1961-5-16 s.n. Los Angeles Hwy 2 near Cloudburst Summit 2043 Comment
  SBBG69100  Lupinus formosus R. Hoffmann 1931-5-2 511 Los Angeles above narrow Bouquet Cyn Comment
  RSA659913  Lupinus formosus var. formosus Orlando Mistretta 1991-7-20 s.n. Los Angeles Prairie Fork. 1829 Comment
  RSA413675  Lupinus hirsutissimus Reid V. Moran 1941-3-11 694 Los Angeles Mouth of Silver Canyon, Santa Catalina Island 50 Comment
  OBI69324  Lupinus hirsutissimus John Knapp, Denise Knapp 2003-5-10 68 Los Angeles Catalina Island, 367196.09N x 3695593.63E 27 Comment
  UCR252738  Lupinus latifolius R. G. Swinney 2010-5-29 13407 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  SBBG19629  Lupinus microcarpus var. microcarpus D. Emery 1958-5-3 Los Angeles Hwy 99, SE of Gorman Comment
  RSA670754  Lupinus sparsiflorus Joseph M. Keefe 2001-4-8 31203 Los Angeles San Rafael Mountains. North side of Upperton Avenue (north across street from 1871 Upperton Avenue) at intersection with Upperton Place; pass in ridge between Eagle Rock Valley and York Valley (Highland Park); Los Angeles, CA 90042. 262 Comment
  RSA713793  Lupinus sparsiflorus A. C. Sanders, Helen Kennedy 2005-4-13 29422 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  SFV1918  Lupinus sparsiflorus P. G. Kilburn 1958-4-18 754 Los Angeles Solemint Canyon about 3 miles south of junction with U.S. Highway 6. Comment
  POM9619  Lupinus succulentus Philip A. Munz, R. D. Harwood 1920-5-15 4008 Los Angeles Sepulveda Canyon, Santa Monica Mountains 213 Comment
  SEINET4035929  Lupinus truncatus R. Moran 1941-1 588 Los Angeles Middle Ranch Creek, San Clemente Island. 30 Comment
  RSA230241  Luzula comosa var. laxa Robert F. Thorne 1969-7-2 38231 Los Angeles San Gabriel Mountains, Angeles National Forest: Charlton Flats burn (of 1954) 1601 Comment
  RSA422095  Lycium andersonii Robert Gustafson, Christopher Davidson 1977-4-20 425 Los Angeles Fort Tejon Road, south of Littlerock, about 1.5 miles east of the junction with 82nd St. 976 Comment
  CAS-BOT-BC233483  Lycium californicum LeRoy Abrams 1903-3-14 3131 Los Angeles San Pedro hills near Rocky Mt. Comment
  POM49432  Lycium cooperi A. D. E. Elmer 1902-06 3661 Los Angeles Palmdale. Comment
  CAS-BOT-BC140220  Lyonothamnus floribundus subsp. aspleniifolius Herman Knoche 1919-7-4 Series A, No. 1004 Los Angeles Camp Mesquite, San Clemente Island 274 Comment
  CAS-BOT-BC140225  Lyonothamnus floribundus subsp. aspleniifolius Steven A. Junak 1997-10-29 SCI- 985 Los Angeles San Clemente Island: E side of island, near head of 1st canyon S of Camera Pad Malo, ca. 0.1 mile SSW of Malo 1 381 Comment
  RSA527748  Lyonothamnus floribundus subsp. aspleniifolius Steve D. Boyd, Tim S. Ross, Laurel Arnseth 1990-4-8 4314 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  RSA578209  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Janet Takara, Bob Given, Misty Gray 1994-8-2 8192 Los Angeles Santa Catalina Island. Midway in Swain's Canyon. 95 Comment
  UC167994  Lyonothamnus floribundus subsp. floribundus Katharine Brandegee May, 1889 Los Angeles Santa Catalina Island Comment
  UC860334  Lyonothamnus floribundus subsp. floribundus L. W. Nuttall 642 Los Angeles Santa Catalina Island Comment
  UCR185600  Madia elegans A. C. Sanders 2007-4-25 33578 Los Angeles Tehachapi Mtns., Oso Canyon, 0.25 mi. SE of the Kern Co. line along Oso Cyn. Rd. 1159 Comment
  SFV7536  Madia gracilis T. Gordon, K. Kimbrough, M. H. Grayum, K. A. Wilson, B. Collins, D. Brown, A. Starrett, G. Poseley 1975-5-26 1004 Los Angeles Santa Monica Mountains Along road in Century Ranch, east of Century Lake. 213 Comment
  NY24342  Mahonia nevinii A. M. Ottley 1920-4-30 522 Los Angeles Arroyo Seco, Pasadena 335.3 Comment
  UC1122000  Malacothamnus davidsonii A. Lewis Feb 1934 293 Los Angeles Little Tujunga 701 Comment
  RSA9539  Malacothamnus davidsonii Fay A. MacFadden 1931-06 3197 Los Angeles Verdugo Mountains: Roscoe. Comment
  RSA433323  Malacothamnus fasciculatus Holly C. Forbes 1932-7-17 15578 Los Angeles Lytle Creek Canon. Comment
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Dec 22 2013
  RSA695387  Malacothamnus fasciculatus A. C. Sanders, Mark A. Elvin 2002-6-18 25132 Los Angeles NE end of Santa Susana Mtn.: Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park. 366 Comment
  UCR125402  Malacothamnus fasciculatus A. C. Sanders, M. S. Enright 2002-8-8 25574 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, lower slopes on the south side of Potrero Canyon, below the dirt road to bench mark 1804 457 Comment
  RSA161092  Malacothamnus fasciculatus var. catalinensis Peter H. Raven 1962-5-20 17778 Los Angeles Santa Catalina Island. Near Bird Park, Avalon Comment
  CAS-BOT-BC206361  Malacothamnus fremontii Le Roy Abrams; E. A. McGregor 1908-6-22 405 Los Angeles Between Oak Grove Canyon and Elizabeth Lake Comment
  RSA585155  Malacothamnus fremontii Tim S. Ross, Steve D. Boyd 1990-5-31 2732 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  SFV12562  Malacothamnus fremontii M. H. Grayum, D. L. Koutnik 1977-11-25 892 Los Angeles San Gabriel Mountains Vicinity of Vasquez Rocks, near Agua Dulce. 671 Comment
  UCR147282  Malacothamnus fremontii Orlando Mistretta 1992-8-20 771 Los Angeles Transverse Ranges; San Gabriel Mtns, Mt. Gleason Management Unit; Mt Gleason, Tujunga Ranger District 1698 Comment
  RSA434851  Malacothamnus marrubioides Anstruther Davidson 1892-7-4 s.n. Los Angeles Acton. Comment
  RSA717216  Malacothrix californica Scott D. White, Pam DeVries 2006-5-9 11397 Los Angeles SE Tehachapi Mtns: Gorman area, valley & slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  UC68989  Malacothrix californica H. M. Hall June, 1905 6252 Los Angeles San Fernando Valley Comment
  SBBG12867  Malacothrix foliosa subsp. foliosa E. R. Blakley 1962-6-10 5220 Los Angeles Wilson Cove 9 Comment
  SBBG43859  Malacothrix foliosa subsp. foliosa M. R. Benedict 1971-6-26 Los Angeles ca. 0.5 mi S of Wilson Cove Comment
  SD90567  Malacothrix foliosa subsp. foliosa Robert F. Thorne 1973-4-11 42879 Los Angeles San Clemente Island; dunes near Flasher. Comment
  RSA0080651  Malacothrix saxatilis R. G. Swinney 2010-5-29 13011 Los Angeles May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar. 939 Comment
  RSA684402  Malacothrix saxatilis Scott D. White, Brian Leatherman 2003-11-17 9859 Los Angeles Glendora; South Hills between Big Dalton Wash and the I-10. 274 Comment
  UCR259637  Malacothrix saxatilis R. G. Swinney 2010-4-15 12220 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  UCR259992  Malacothrix saxatilis R. G. Swinney 2010-3-16 11955 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
  CATA1166  Malacothrix saxatilis var. tenuifolia Mark L. Hoefs 1995-5-30 2159 Los Angeles Santa Catalina Island: Ben Weston Beach 4 Comment
  RSA595641  Malacothrix saxatilis var. tenuifolia Steve Boyd, Lauren Raz 1996-10-8 9006 Los Angeles Liebre Mountains region, Bouquet Canyon ca. 0.9 miles south of junction with Forest Service Road 6N08. 561 Comment
  SDSU4789  Malacothrix saxatilis var. tenuifolia D. F. Howe 1947-5-22 1600 Los Angeles Coast of north of Santa Monica. Comment
  POM9696  Malacothrix saxatilis var. tenuifolia R. B. Cowles 1921-05 4557 Los Angeles San Pedro Comment
  SEINET11808093  Malacothrix saxatilis var. tenuifolia S. B. Parish, Parish, W. F. 1882-1 1132 Los Angeles Santa Monica Comment
  UCR152468  Malephora crocea A. C. Sanders, Lee Jones 2005-4-8 29327 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  CAS-BOT-BC167860  Malosma laurina W. R. Dudley 1907-12-1 s.n. Los Angeles Monrovia Comment
  CAS-BOT-BC167865  Malosma laurina G. B. Grant 1901-6-25 4458 Los Angeles [Sturdevant's] Sturtevant Camp Trail Comment
  RSA386413  Malosma laurina F. R. Fosberg 1931-6-19 S- 5127 Los Angeles Carbon Canyon, Puente Hills Range. Comment
  RSA657370  Malosma laurina Joseph M. Keefe 2001-1-19 30951 Los Angeles South by southeast face of The Eagle Rock, Eagle Rock District, Los Angeles, 90041. 305 Comment
  RSA0085078  Malosma laurina Doris Bowers 1957-3-23 789 Los Angeles Rocky Point, LaVerne. 335 Comment
  JEPS68644  Malva nicaeensis F. W. Peirson 3356 Los Angeles streets of Claremont Claremont Comment
  SFV2286  Malva parviflora K. A. Wilson 1961-2-21 869 Los Angeles San Fernando Valley Los Angeles, Northridge. San Fernando Valley State College campus. Weedy field and edges of orange grove. 260 Comment
  RSA434897  Malva parviflora M. B. Dunkle 1933-4-14 3294 Los Angeles Long Beach. Comment
  UCR172741  Marah macrocarpa Sandra Murcia, Gregg Miller 2006-3-10 s.n. Los Angeles South Coast, Palos Verdes Peninsula, NW corner of the intersection of Crestridge Road and Crenshaw Boulevard in the city of Rancho Palos Verdes 366 Comment
  RSA441003  Marah macrocarpa Robert M. Perkins 1936-2-29 s.n. Los Angeles Benedict Canyon. Comment
  UCSB41799  Marah macrocarpa Wray, Jim 1971-3-3 Los Angeles Weber Ranch, 1.5 mi. W of Highway 57 on Old Brea Canyon Road, N of stables, in gulley rising E from meadow 137 Comment
  RSA179938  Marrubium vulgare E. C. Twisselmann 1965-5-18 10854 Los Angeles Aqueduct Road at the northwest end of Antelope Valley (Neenach region). 945 Comment
  RSA526614  Marrubium vulgare Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 s.n. Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  RSA651645  Marrubium vulgare A. E. Hersh 1950-6-27 s.n. Los Angeles Faculty Hill UCLA. 61 Comment
  UCD125016  Marrubium vulgare Leo Boyd 1987-5-2 s.n. Los Angeles Corner 161st Street and Estrella. Comment
  UCSB51801  Marrubium vulgare Hodgson, John 1928-6-16 Los Angeles Near edge of Peace Valley meadow 944 Comment
  SBBG56311  Marsilea vestita R. Hoffmann 1929-4-28 Los Angeles Harold, near Palmdale Comment
  UCR265518  Matricaria discoidea Dan S. Cooper 2015-4-3 315- 16 Los Angeles Los Angeles Basin/Western Transverse Range, Griffith Park, Oak Canyon, above Travel Town, Los Angeles 180 Comment
  UCR182668  Matricaria matricarioides R. G. Swinney 1998-4-13 5949 Los Angeles San Gabriel Mtns, Marshall and Live Oak Canyon drainages, LaVerne 695 Comment
  SD69702  Matricaria occidentalis Robert F. Thorne 1966-4-29 36278 Los Angeles Santa Catalina Island, Middle Ranch Canyon 214 Comment
  CAS-BOT-BC422754  Meconella denticulata Geo. B. Grant 1898-3-4 5390 Los Angeles San Gab Can [Gabriel Canyon] Comment
  RSA747074  Medicago lupulina R. G. Swinney 2008-5-30 8888 Los Angeles San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  RSA675004  Medicago polymorpha LeRoy Gross 2003-2-22 735 Los Angeles South side; A short distance up mouth of Brand Canyon, south next to Brand Canyon Cemetery. North of the Debris Basin. 287 Comment
  OBI35717  Medicago polymorpha Rebecca Cicoria 1982-4-25 46 Los Angeles Palos Verdes Peninsula: Purple Cyn, Rolling Hills Comment
  RSA660866  Medicago polymorpha Orlando Mistretta 1992-4-4 129 Los Angeles San Clemente Island. Comment
  UCR205719  Medicago sativa A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36925 Los Angeles San Gabriel Valley, San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gab. Riv. greenway, along the Edison powerlines 71 Comment
  CHSC95426  Melia azedarach LeRoy Gross 2002-3-31 502 Los Angeles Los Angeles Basin region: Big Tujunga Was, southern front of the San Gabriel Mountains; Where the storm waters run down through Haines Canyon channel, east of Foothill Blvd. South side of wash. 366 Comment
  CAS-BOT-BC281496  Melica imperfecta H. E. Hasse 1891-4-1 s.n. Los Angeles Near Santa Monica Comment
  CAS-BOT-BC281516  Melica imperfecta Frank W. Gould 1944-4-1 2193 Los Angeles At Playa Del Rey Comment
  CAS-BOT-BC281523  Melica imperfecta A. D. E. Elmer 1902-6-1 3646 Los Angeles Acton Comment
  POM357041  Melica imperfecta Freda Detmers, Edith Purer 1931-4-28 s.n. Los Angeles Palos Verdes Hills. Comment
  SBBG31278  Melica imperfecta R. F. Thorne 1966-4-6 35880 Los Angeles between White and Moonstone Coves 15 Comment
  UCD87919  Melica imperfecta A. M. Johnson 1933-5-14 s.n. Los Angeles Baldwin Hills. Comment
  UCR200145  Melica imperfecta Valerie Soza, Shalini Deo, Stephen Dreher 2000-4-27 801 Los Angeles Verdugo Mountains, south side, Wildwood Canyon, Wildwood Canyon Park, at end of paved Wildwood Canyon Road at junction with fire road 488 Comment
  UCR2553  Melica imperfecta F. M. Reed 1918-6-15 3983 Los Angeles San Gabriel Mountains, San Antonio Canyon 1280 Comment
  UCR71168  Melica imperfecta Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4289 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, first canyon south of Bryce Canyon Comment
  POM204735  Melica imperfecta var. flexuosa Le Roy Abrams 1901-04 1346 Los Angeles Pasadena. Comment
  UCR223358  Melica stricta R. G. Swinney 2009-5-20 10829 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  SDSU5070  Melilotus indicus Gerald Collier 1951-4-2 3684 Los Angeles Parking lot just north of new art building, UCLA Campus. Comment
  RSA729521  Mentzelia albicaulis R. G. Swinney 1999-7-5 7534 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
  RSA608364  Mentzelia congesta Louis C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon, depression on bench NE of Campground. 1433 Comment
  UC167090  Mentzelia dispersa Geo. B. Grant Jun 15 1905-Jun 18 1906 Los Angeles San Gabriel Mts., Summit of Mt. Wilson 1828 Comment
  RSA446852  Mentzelia dispersa George B. Grant 1906-6-15 s.n. Los Angeles Summit of Mt. Wilson 1829 Comment
  RSA191348  Mentzelia laevicaulis Robert F. Thorne, M. Z. Thorne 1967-7-19 37151 Los Angeles Angeles National Forest: Crystal Lake Recreation area, just above junction of roads to Crystal Lake and Angeles Crest Hwy. 1555 Comment
  RSA440467  Mentzelia laevicaulis Anstruther Davidson 1921-01 3507 Los Angeles La Liebre, Mohave Desert. Comment
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Jun 26 2012
  LA33785  Mentzelia micrantha Peter H. Raven; 1959-5-9 14170 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  UCR104149  Mentzelia micrantha Scott D. White 1997-5-21 5213 Los Angeles San Gabriel Mtns., San Gabriel River Canyon: north of Azusa, slope above Hwy 39, above San Gabriel Reservoir 488 Comment
  RSA446765  Mentzelia micrantha Anstruther Davidson 2804 Los Angeles Sierra Madre. Comment
  RSA9427  Mentzelia micrantha Fay A. MacFadden 1929-6-4 1106 Los Angeles Verdugo Mountains: Tuna Canyon. 335 Comment
  RSA772296  Mentzelia ravenii R. G. Swinney 2009-4-28 10520 Los Angeles summit of Mt. Emma. 1585 Comment
  UC1713562  Mesembryanthemum nodiflorum L. R. Abrams and I. L. Wiggins 1931-7-6 367 Los Angeles vicinity of Mosquito Harbor (San Clemente Island); San Clemente Island Comment
  CAS-BOT-BC435282  Mesembryanthemum nodiflorum Alice Eastwood 1920-4-20 9378 Los Angeles San Pedro Comment
  LA51478  Micropus californicus var. californicus Henry J. Thompson; 1959-5-24 2030 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak, 0.5 mi E of peak. 670 Comment
  UC557806  Microseris douglasii subsp. platycarpha Nell Murbarger 1936-3-1 51 Los Angeles San Clemente Island Comment
  RSA3703  Microseris heterocarpa C. B. Wolf 1932-5-11 3550 Los Angeles San Clemente Island. West side of Isthmus Harbor. 15 Comment
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Jan 23 2014
  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
  RSA188032  Microseris lindleyi R. F. Thorne 1966-4-30 36346 Los Angeles Santa Catalina Island: mouth of Gallagher's Canyon. 8 Comment
  RSA592852  Microsteris gracilis Steve Boyd, Orlando Mistretta 1996-5-1 8743 Los Angeles Liebre Mountains, Sawmill Mountain, upper slopes and summit at head of Heryford Canyon, east of the junction of 7N23 and 7N08. 1524 Comment
  SBBG66672  Mimetanthe pilosa R. Hoffmann 1927-8-31 Los Angeles Bouquet Cyn Comment
  HSC20776  Mimulus aurantiacus var. pubescens David Porter 1965-4-22 Los Angeles 0.5 mi. N of Topanga Canyon Blvd., Topanga Canyon, Santa Monica Mtns. 412 Comment
  RSA442658  Mimulus aurantiacus var. puniceus Fay A. MacFadden 1931-4-22 2645 Los Angeles Power Plant No. 1, San Francisquito Canyon. Comment
  UCR128124  Mimulus brevipes Anuja Parikh, Nathan Gale 2003-6-5 s.n. Los Angeles N side of Santa Susana Mtns., Newhall Ranch, western face of the ridge between Potrero and Salt Canyons, just south of the Santa Clara River, survey area 78 427 Comment
  CLARK-A1528-863  Mimulus cardinalis Kathi Klimberg 1970-5-24 Los Angeles Santa Catalina Island Comment
  SEINET11262500  Mimulus cardinalis Richard S. Felger 1968-6-13 s.n. Los Angeles Elsmere Canyon, San Gabriel Mts. Ca 2 mi se of Newhall.; 0 518 Comment
  SEINET12269806  Mimulus cardinalis Unknown 1933-1 8416 Los Angeles near Los Angeles Comment
  RSA80075  Mimulus floribundus F. W. Peirson 1916-06 1123 Los Angeles Arroyo Seco, near Pasadena Comment
  RSA420996  Mimulus fremontii John S. Garth 1948-4-21 C- 2679 Los Angeles Littlerock 762 Comment
  RSA0098787  Mimulus guttatus R. G. Swinney 2011-6-1 14937 A Los Angeles San Gabriel Mountains: Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy 1096 Comment
  RSA80463  Mimulus guttatus F. W. Peirson 1920-5-6 2125 Los Angeles Fish Canyon, San Gabriel Mountains 610 Comment
  JEPS4686  Mimulus johnstonii Rimo Bacigalupi with G. T. Robbins and L. R. Heckard 1953-6-15 4199 Los Angeles along Forest Service road following crest Mendenhall Ridge (8.2 mi e its start at paved road crossing w crest of ridge between Little Tujunga and Pacoima canyons, w end of mts.); San Gabriel Mts., Angeles National Forest 1463 Comment
  POM50560  Mimulus johnstonii L. R. Abrams 1901-7-10 1892 Los Angeles Mt. Wilson summit. 1768 Comment
  UC1409079  Mimulus johnstonii R. F. Thorne, C. W. Tilforth, J. Dourley, and R. Scogin 1972-8-11 42199 Los Angeles near Three Points (along Angeles Crest Hwy.); San Gabriel Mts., Angeles National Forest 1828 Comment
  UC150069  Mimulus johnstonii LeRoy Abrams 1902-6-30 2588 Los Angeles summit Mt. Wilson Comment
  UCR238630  Mimulus johnstonii Anuja Parikh, Nathan Gale 2010-6-18 3342 Los Angeles Transverse Range; San Gabriel Mountains, upper Big Tujunga Canyon, 0.9 km north of State Hwy 2 (Angeles Crest Hwy) 0.3 km west of Upper Big Tujunga Canyon Road 1240 Comment
  SEINET3079729 Image available Mimulus longiflorus David Charlton 1987-1-31 639 Los Angeles Saddle Peak, Santa Monica Mountains. 610 Comment
  RSA0091136  Mimulus moschatus R. G. Swinney 2011-8-17 15643 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  RSA147408  Mimulus pilosus Thos. Craig 1927-6-19 477 Los Angeles Between Acton and Ravenna. Comment
  RSA602748  Mimulus rubellus Louis C. Wheeler 1967-8-1 10208 Los Angeles San Gabriel Mountains, Angeles National Forest: Fountainhead Spring, E slope Mt. Pacifico. 2012 Comment
  CAS-BOT-BC388667  Minuartia douglasii Timothy S. Ross; Steve Boyd 1994-5-25 7913 Los Angeles Liebre Mountains. Warm Springs Mountain: ca 450 m NW of summit 1164 Comment
  SFV7375  Minuartia douglasii T. Gordon, M. H. Grayum, R. Johnson 1975-4-18 894 Los Angeles Santa Monica Mountains Between Castro Peak and Mesa Peak, along main ridge fire road at head of Corral Canyon. 625 Comment
  UCR255500  Mirabilis jalapa Dan S. Cooper 2014-6-26 614- 72 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, Cadman Canyon 155 Comment
  UCR261325  Mirabilis laevis R. G. Swinney 2010-3-13 11875 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  UCR276917  Mirabilis laevis R. G. Swinney 2011-3-29 14279 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
  RSA791932  Mirabilis laevis var. aspera D. Silverman, Jeff Jarvis, Colleen Martin 2010-5-21 8048 Los Angeles Lower south foothills of Sierra Pelona, 500 m north of Governor Mine, 800 m east of Red Rover Mine Rd., and 2.2 km north of I-14/Sierra Highway. 1116 Comment
  RSA0004392  Mirabilis laevis var. cordifolia M. B. Dunkle 1939-4-3 7234 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  RSA59141  Mirabilis laevis var. crassifolia G. R. Campbell 1950-4-17 14585 Los Angeles Escondido Canyon, leading to Malibu Lake, ca. 5 miles above Highway Alt. 101. 457 Comment
  SEINET3161553  Mirabilis laevis var. crassifolia G. B. Grant 1904-4-16 791 Los Angeles Los Angeles Comment
  UCD40979  Mirabilis laevis var. crassifolia Ellen Dean; Thomas Starbuck, Margaret Starbuck 2003-4-14 1603 Los Angeles Antelope Valley Poppy Reserve. Comment
  UCR209105  Monardella australis R. G. Swinney 2008-6-18 9071 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
  RSA729179  Monardella cinerea R. G. Swinney 1998-7-14 6439 Los Angeles Pine Mountain Ridge; 0.2-0.3 mi. west of Camp Lupine trail. Broad ridge top montane coniferous forest. 2247 Comment
  SBBG71965  Monardella lanceolata M. N. Ackley -May-1922 458 Los Angeles Honolulu Acres 365 Comment
  SD90540  Monardella linoides subsp. erecta Robert F. Thorne, J. Dourley 1967-10-3 37269 Los Angeles Mt. Baden-Powell: N sope at Vincent Gap 2133 Comment
  SBBG13617  Monolepis nuttalliana P. H. Raven 1962-5-9 17653 Los Angeles cyn just N of Guds 249 Comment
  SBBG59545  Muhlenbergia californica V. Duran 1933-8-11 3546 Los Angeles South Fk Big Rock Crk 1600 Comment
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Aug 9 2010
  RSA587345  Muilla maritima Orlando Mistretta 1992-5-4 224 Los Angeles Little Rock Creek, Alimony Ridge 1463 Comment
  SBBG57545  Muilla maritima R. Hoffmann 1925-5-15 Los Angeles Mint Cyn Comment
  CAS-BOT-BC515100  Muilla maritima C. F. Baker 1901-4-20 4759 Los Angeles Claremont Comment
  SBBG127965  Munzothamnus blairii M. G. Simpson, A. Russell, J. Dunn 2000-7-20 2204 B Los Angeles S side of Eagle Cyn 457 Comment
  UC1234688  Munzothamnus blairii Peter H. Raven 1962-4-12 17310 Los Angeles Large canyon below Tomb, San Clemente Island 243 Comment
  SEINET893212  Myrtaceae H. M. Hall 1908-1 8234 Los Angeles Cultivated at Soldier's Home Comment
  RSA0101414  Nama californica Louis C. Wheeler 1967-5-12 9473 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  UCR150608  Nama californica R. G. Swinney 1999-6-21 7370 Los Angeles San Gabriel Mtns., Big John Flat 1671 Comment
  UC1133131  Nassella cernua A. D. Gifford 1935-3-15 469 Los Angeles mouth of Elizabeth Lake Canyon Angeles National Forest (Plot 142) 365 Comment
  LA9421  Nassella pulchra A. M. Johnson; 1932-3-12 3848 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). Comment
  SBBG128266  Nassella pulchra D. Kasang, S. Lawrence-Gomez, A. Cheung, M. Zou, S. Ratay 2011-7-1 9 Los Angeles Deer Valley Trail 4 Comment
  SBBG98546  Nassella pulchra T. Ross, O. Mistretta, M. Hammitt 1991-5-20 5340 Los Angeles between Box and Horse Cyns 484 Comment
  UC1133207  Nassella pulchra H. A. Jensen 1933-4-10 289 Los Angeles Hollywood Lake Santa Monica Quadrangle Comment
  UC61535  Navarretia hamata Ernest Braunton Jun 1903 891 Los Angeles Glendale to Burbank Comment
  RSA0091878  Navarretia hamata subsp. leptantha Steven A. Junak, Ralph N. Philbrick 2001-5-18 SCa- 1540 Los Angeles Santa Catalina Island. Cottonwood Canyon, along N side of Cottonwood-Blackjack Road, ca. 1.65 miles WSW of Blackjack Peak. 304 Comment
  RSA252868  Nemacladus sigmoideus R. F. Thorne 1973-5-11 43511 Los Angeles North of Shoemaker Canyon between Mile High and Valyermo. 1341 Comment
  RSA586480  Nemacladus sigmoideus Orlando Mistretta, Mark Elvin 1995-6-20 1818 Los Angeles Bare Mountain Canyon. 1829 Comment
  UCR190857  Nemacladus sigmoideus R. G. Swinney 1998-6-12 6182 Los Angeles San Gabriel Mountains, SW of Pinon Hills, 0.3 mi. south of mouth of Mescal Canyon and reservoir 1500 Comment
  RSA596954  Nemophila menziesii Scott D. White, Chet McGaugh 1995-5-9 3017 Los Angeles E edge of Santa Susana Mts., Just W of San Gabriel Mtns: 'Sunshine Canyon' (name not shown on topo): W of San Fernando Road and I-5 Fwy. Just SW of interchange with State Route 14. Sunshine Canyon Landfill property. 457 Comment
  SFV2985  Nemophila menziesii P. G. Kilburn 1958-4-11 707 Los Angeles Santa Susana Mountains Oat Mountain, north slope ravine. Roadside. 945 Comment
  UCR189392  Nemophila menziesii R. G. Swinney 1998-5-30 6157 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  RSA652200  Nemophila menziesii G. Foster 1961-5-29 s.n. Los Angeles Mt. Wilson Rd., Angeles Natl. Forest. Comment
  SD111947  Nemophila menziesii Barbara Ertter, Jeffrey Strachan 1980-5-18 3442 Los Angeles South fork Big Rock Creek, ca. 0.5 mile north of South Fork Campground on Forest Road 4N11A. 1372 Comment
  POM3619  Nemophila menziesii var. integrifolia C. F. Baker 1909-5-15 5309 Los Angeles Mountains near Claremont. Comment
  RSA421309  Nemophila menziesii var. menziesii Donald R. Bissing 1973-3-29 32 Los Angeles Evey Canyon, San Gabriel Mtns, along roadside in open grassy area of mixed evergreen forest. 0.3 miles from mouth of canyon 713 Comment
  LA52038  Neogaerrhinum kelloggii Carl Epling; 1931-5-9 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  POM188390  Nicolletia occidentalis P. A. Munz, T. Craig 1933-5-13 12935 Los Angeles 10 miles south of Muroc Comment
  OBI69348  Nicotiana glauca John Knapp, Denise Knapp 2002-11-27 22 Los Angeles Santa Catalina island Comment
  RSA0055783  Nicotiana glauca R. G. Swinney 2010-4-28 12430 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
  RSA482198  Nicotiana glauca Richard Noyes 1987-9-19 426 Los Angeles Claremont. Intersection of Mills Avenue and Mt. Baldy Road. 500 Comment
  SD237631  Nicotiana quadrivalvis A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37083 Los Angeles San Gabriel Valley: west edge of I-605 and c. 1 mile west of the center of the Santa Fe Flood Control Basin, N of Arrowy Hwy and south of Duarte (Baldwin park 7.5'Q) 139 Comment
  RSA552593  Nitrophila occidentalis D. Charlton 1991-5-18 5190 Los Angeles Piute Ponds, Edwards Air Force Base. Old Homestead road just east of ponds, south of Rosamond Dry Lakebed. 701 Comment
  SFV21790  Oenothera caespitosa L. K. Grossnickle, K. Grossnickle 2010-5-2 s. n. Los Angeles Mojave Desert Antelope Valley. Lancaster, side of road of Avenue D near 8oth Street West. 740 Comment
  UC20444  Oenothera californica subsp. californica J. H. Barber 1897-6-27 197 b Los Angeles Aliso Canyon Comment
  POM123009  Oenothera californica subsp. californica Marcus E. Jones 1924-9-10 s.n. Los Angeles San Gabriel Mountains: Swartout [Swarthout] valley. Comment
  RSA158231  Oenothera elata subsp. hirsutissima David P. Gregory 1961-7-12 472 Los Angeles San Gabriel Mountains: Prairie Fork, over the ridge from Wrightwood. Comment
  UC1870255  Olea europaea LeRoy Gross 2003-3-7 755 Los Angeles Transverse Ranges; Verdugo Mountains region; Northwest side. Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane, off of Newhome Ave. in city of Sunland. 555 Comment
  UC1349355  Oligomeris linifolia Robert F. Thorne 1966-4-5 35868 Los Angeles Cottonwood Canyon Santa Catalina Island; , Cottonwood Canyon 106 Comment
  SFV12551  Opuntia basilaris M. H. Grayum, D. L. Koutnik 1977-11-25 885 Los Angeles San Gabriel Mountains Sierra Pelona Valley. Along Anthony Road. 884 Comment
  RSA311451B  Opuntia ficus-indica Lyman Benson 1963-3-22 16242 Los Angeles San Gabriel Mountains. Top of alluvial fan above (north of) Cucamonga. 457 Comment
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Sep 16 2021
  RSA719122  Opuntia littoralis Naomi Fraga 2001-5-27 56 Los Angeles California State Polytechnic University, Pomona. Voorhis Ecological Reserve. Comment
  POM314676  Opuntia vaseyi J. N. Rose 1908-05 12002 Los Angeles Vicinity of Fernando. Comment
  CAS-BOT-BC58028  Opuntia vaseyi Alice Eastwood 1913-5-11 3168 Los Angeles Field redacted by CAS, contact the data manager for more information Comment
  SEINET10828673  Orcuttia californica Bellue 1944-1 Los Angeles Comment
  UCR114175  Orobanche bulbosa A. C. Sanders, D. Malueg 1998-6-24 22071 Los Angeles San Gabriel Mtns., brushy SE facing slope on ridge c. 3.5 mi. NE of Big Tujunga Dam, just below VABM 'Wreck', So. Cal. Edison Mesa-Vincent transmission line at tower 10-4 1305 Comment
  RSA0078633  Orobanche californica subsp. feudgei F. W. Peirson 1921-7-3 2489 Los Angeles South of Swartout Valley, north side of San Gabriel Mts. 2255 Comment
  UCR273408  Orobanche fasciculata R. G. Swinney 2011-6-22 15249 Los Angeles San Gabriel Mountains, Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy 1790 Comment
  RSA570046  Orthocarpus purpurascens var. purpurascens Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4903 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity. 492 Comment
  RSA458979  Osmorhiza brachypoda R. K. Benjamin 1929-5-26 204 Los Angeles San Dimas Canyon Comment
  SD230154  Osmorhiza brachypoda Louis C. Wheeler 1968-5-31 Los Angeles San Gabriel Mountains: Devil's Canyon, just above the upper falls, below the campground, E of windy gap. Shady canyon bottom in deep leaf litter. 1006 Comment
  CATA2894  Osteospermum fruticosum Sara L. Crockett 1996-10-28 14 Los Angeles Santa Catalina Island: Casino, along walkway and perimeter of building 9 Comment
  LA50656  Oxalis californica Martha Hilend; K. Kinsel 1929-3-9 sn Los Angeles SANTA MONICA MOUNTAINS, Cahuenga Hills, W of Hollywood Lake. Comment
  SD232783  Oxytheca luteola A. C. Sanders, E. J. Lott 1993-5-6 13947 Los Angeles Mojave Desert: 12 miles N of Palmdale, Sierra Hwy at Ave G, to 1/10 mi NW of intersection. 705 Comment
  UCR192831  Oxytheca parishii R. G. Swinney 1998-7-6 6287 Los Angeles San Gabriel Mtns., Mescal Canyon, 1.1 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1720 Comment
  RSA392901  Oxytheca parishii var. parishii F. R. Fosberg, Joseph A. Ewan 1931-11-8 S 5451 Los Angeles Islip trail, near Islip-Hawkins divide. South slope Mt. Hawkins. San Gabriel Mountains. 2300 Comment
  UC6201  Oxytheca parishii var. parishii Dr. A. Davidson 1892-1 Los Angeles Wilsons Peak 1371 Comment
  CHSC83702  Packera ionophylla John Dittes; Gina Hall 1990-7-19 259 Los Angeles Transverse Range; San Gabriel Mts., North of Kratka Ridge, ca. 1.7 air miles east of Cloudburst Summit, North of Angeles Crest Highway. Along slope above Burkhart Trail between Buckhorn Flat Campground and Cooper Canyon. 1889 Comment
  UC111444  Packera ionophylla H. M. Hall June 1899 Los Angeles Swarthout Canyon San Antonio Mts. Comment
  LA200722  Paeonia californica Kei Nakai; Frank Almeda 1976-4-5 TCSP 13 76 Los Angeles Santa Monica Mountains, Topanga Canyon, Topanga Canyon State Park, Entrada Rd, ca 0.25 mi from Topanga Canyon Blvd Comment
  RSA286654  Panicum acuminatum var. acuminatum R. F. Thorne 1974-6-28 44776 Los Angeles San Gabriel Mountains, Angeles National Forest: Lime Spring, tributary to Coldbrook Creek. 1250 Comment
  PASA1607  Papaver californicum Frank W. Peirson 1921-4-10 Los Angeles Trail to Sycamore Flat, San Dimas Region 533 Comment
  RSA445549  Papaver californicum Louis C. Wheeler 1932-4-16 638 Los Angeles W side Santa Anita Canyon. 457 Comment
  UCR178920  Parietaria hespera var. hespera R. G. Swinney 1989-5-11 s.n. Los Angeles San Gabriel Mtns., in and near Glendora Wilderness Park, in Big Dalton Canyon and its tributaries. 200 yards north of Sierra Madre Ave., east of Big Dalton Channel, east of Glendora Mtn. Road 335 Comment
  RSA448012  Parietaria hespera var. hespera Martha Hilend 1928-4-18 193 Los Angeles Griffith Park. Comment
  UCR95723  Paspalum dilatatum L. C. Wheeler 1947-5-17 6487 Los Angeles Just outside (SW) Monterey Park city limits, Mesa Drive Comment
  RSA657222  Paspalum dilatatum Patricia Kouo 1994-4-27 944144 Los Angeles 3 miles south of I-10, and 1-mile north of I-60. On the west side of Rosemead Blvd. at the most southern lake. Comment
  SEINET255569 Image available Paspalum vaginatum C. Wishner, A. Gale, 2005-8-12 Los Angeles Santa Monica Mountains, Malibu Lagoon State Bench. 3 Comment
  UC166918  Pectocarya anisocarpa Geo. B. Grant 1906-4-10 914 Los Angeles Pasadena Comment
  UCR154026  Pectocarya anisocarpa A. C. Sanders 2005-5-11 30172 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon along Plum Canyon Rd. between crest and vernal pool on bench in mid canyon, NW of Forest Park between Mint and Bouquet Cyns. 671 Comment
  UC284211  Pectocarya linearis subsp. ferocula P. A. Munz 1923-4-9 6690 Los Angeles San Clemente Island, Lemon Tank Comment
  JEPS22383  Pectocarya penicillata John Thomas Howell 1928-3-20 3460 Los Angeles Vermont Canyon, Griffith Park Comment
  UCR223528  Pectocarya penicillata R. G. Swinney 2009-5-28 10922 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR280540  Pectocarya penicillata R. G. Swinney 2014-4-10 16030 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  POM368823  Pectocarya setosa Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  POM82691  Pedicularis densiflora P. A. Munz 1925-4-23 9462 Los Angeles San Gabriel Canyon. 488 Comment
  LA94139  Pellaea andromedifolia Lawrence L. Kiefer; 1966-3-6 1647 Los Angeles SANTA MONICA MOUNTAINS, [San] Nicholas Canyon, ca 1 mi. from canyon mouth. 182 Comment
  SD253316  Pellaea andromedifolia R. G. Swinney 2011-3-26 14228 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 Canyon (Glendora 7.5'Q) 476 Comment
  SBBG98453  Pellaea mucronata T. Ross 1991-5-21 5399 Los Angeles the "armpit" where the two upper forks of Box Cyn join together; near drop into cyn 457 Comment
  UC1795033  Pellaea mucronata subsp. mucronata Ruth Kirkpatrick 2001-7-30 1079 Los Angeles San Gabriel Mountains at Red Box Picnic Area on Angeles Crest Hwy (Hwy 2), Angeles National Forest Red Box Station. Angeles Crest Hwy and Mount Wilson/Red Box 1432 Comment
  CATA1817  Pennisetum clandestinum Benjamin E. Carter 2012-8-31 7017 Los Angeles Santa Catalina Island: Black Jack Campground 459 Comment
  UCD89454  Pennisetum purpureum E. J. Spencer 1917-12-1 s.n. Los Angeles Los Angeles. Comment
  CATA3504  Pennisetum setaceum Julia Parish, Nathalie Cartan, Michael Thomas, Benjamin Dion 2017-10-11 035 Los Angeles Santa Catalina Island: Avalon; below 330 E Whittley Ave; 40m south of Las Lomas Dr., between Las Lomas Dr. and Tremont St. 71 Comment
  NY583837  Penstemon centranthifolius R. F. Thorne 1973-5-11 43496 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1/4 - 1/2 mile north of Bob's Gap, north slope of Holcomb Ridge, ca. 2.5 miles due south of Llano 1158.2 Comment
  RSA0086830  Penstemon centranthifolius R. G. Swinney 2011-6-14 15156 Los Angeles San Gabriel Mountains: upper Charlton Flat Campground, 0.53 air-mile SSW of the junction of Angeles Crest Hwy & Charlton Flat entrance road. 1646 Comment
  SEINET2042297 Image available Penstemon centranthifolius B. Pitzer 1998-5-12 3712 Los Angeles Western Mojave Desert; HWY 18 (=Hwy 138 = Palmdale Hwy), ca. 1 mi W of the San Bernardino Co. Line. (Mescal cCreek 7.5') 1171 Comment
  SFV3429  Penstemon centranthifolius K. A. Wilson 1961-3-11 991 Los Angeles San Gabriel Mountains San Francisquito Canyon. 3 miles south of Green Valley. 790 Comment
  UCR141035  Penstemon centranthifolius June Latting, Ted Hanes, et al 1977-10-15 s.n. Los Angeles San Gabriel Mountains, fuelbreak below Chilao Flat, Angeles Crest 1659 Comment
  UCR209481  Penstemon centranthifolius R. G. Swinney 2008-6-17 9038 Los Angeles San Gabriel Mountains, 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1992 Comment
  RSA134826  Penstemon centranthifolius Peter H. Raven, Henry J. Thompson 1960-4-12 15038 Los Angeles Oak woodland, junction of Latigo Canyon Road with Mulholland Highway. 518 Comment
  RSA408057  Penstemon grinnellii Robert Gustafson 1978-6-1 947 Los Angeles 0.5 mile E off main dirt road running through Hungry Valley, on summit of hills overlooking upper Freeman Canyon, ca 1 mile S of Gorman. 1311 Comment
  RSA0098171  Penstemon grinnellii subsp. grinnellii R. G. Swinney 2011-8-5 15601 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
  RSA408040  Penstemon grinnellii subsp. grinnellii Mildred R. Solomen 1931-7-12 s.n. Los Angeles Mt. Wilson. Comment
  UCR272944  Penstemon grinnellii subsp. grinnellii R. G. Swinney 2011-8-5 15601 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
  NY601183  Penstemon grinnellii var. grinnellii F. W. Pennell 1940-6-24 25998 Los Angeles Pine Mountain, south of Swartout 2468.9 Comment
  NY601211  Penstemon grinnellii var. grinnellii V. E. Grant 1951-6-11 16033 Los Angeles Highway 2, several miles beyond Red Box Ranger Station 1524.0 Comment
  RSA0011380  Penstemon grinnellii var. grinnellii Orlando Mistretta, Christine Mistretta 2011-7-13 5944 Los Angeles Big Tujunga Canyon, near head of Maple Cyn, S of Angeles Forest Hwy, 1.9 miles W of jct. of Angeles Forest Hwy and Angeles Crest Hwy. 942 Comment
  NY601244  Penstemon grinnellii var. scrophularioides T. S. Ross 1994-5-10 7751 Los Angeles Lower Deer Canyon: inside the rather broad mouth of the canyon, ca. 220-380 m north-northwest of its confluence with Elizabeth Lake Canyon. 873.3 Comment
  POM4207B  Penstemon heterophyllus subsp. australis Philip A. Munz 1918-5-26 2276 Los Angeles Claremont. Near mouth of Live Oak Canyon. Comment
  NY601657  Penstemon heterophyllus var. australis P. A. Munz 1923-6-9 6923 Los Angeles Bouquet Canyon, Liebre Mountains 670.6 Comment
  RSA160586  Penstemon heterophyllus var. australis J. D. Olmsted 1959-5-13 620 Los Angeles Camp Baldy Road near mouth of San Antonio Canyon, San Gabriel Mountains, Drainage Area to San Antonio Creek. 701 Comment
  RSA407910  Penstemon heterophyllus var. australis Thekla Mohr s.n. Los Angeles Near Los Angeles Comment
  RSA618661  Penstemon heterophyllus var. heterophyllus LeRoy Gross 1998-9-27 65 Los Angeles Liebre Mtns. Fish canyon. Elizabeth lake canyon road to warm springs road ,west 7 miles to cienaga campground. to trail up into fish canyon. 884 Comment
  RSA660435  Penstemon labrosus Orlando Mistretta 1992-6-23 604 Los Angeles Transverse Ranges; San Gabriel Mountains region: Little Rock Creek. Comment
  RSA756745  Penstemon labrosus R. G. Swinney 2008-7-15 9217 Los Angeles Winston Peak. 2275 Comment
  RSA401822  Penstemon spectabilis subsp. subviscosus H. J. Montgomery 1923-5-30 s.n. Los Angeles Sturtevant Trail, Santa Anita Canyon. Comment
  RSA0065220  Pentagramma triangularis Scott D. White, Pam DeVries 1997-11-25 6029 Los Angeles San Gabriel River Canyon. N of Azusa. Parallel to Hwy 39. Canyon bottom and adjacent slopes along unnamed dirt access rd to gauging stn. below Morris Dam. 244 Comment
  RSA0066313  Pentagramma triangularis C. B. Wolf 1932-5-9 3499 Los Angeles Santa Catalina Island. Along the road to Renton Mine, about due west of Pebbly Beach. 305 Comment
  UC71381  Pentagramma triangularis subsp. triangularis J. H. Barber 1897-3-21 85 Los Angeles Sepulveda Canyon 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
  UCSB62235  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-10-1 Los Angeles San Gabriel Mtns., ravine just above Angeles Forest Hwy. ca. 1/2 mi. of hwy. 2 1066 Comment
  RSA0060256  Pentagramma viscosa R. F. Thorne 1966-4-7 35967 Los Angeles Santa Catalina Island: in canyon bottom, Cherry Valley. 61 Comment
  LA94326  Peritoma arborea Elizabeth Levine; sn Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  CATA280  Perityle emoryi Mark L. Hoefs 1973-5-21 293 Los Angeles Santa Catalina Island: By road on point past Pebbly Beach Canyon, by old dump 30 Comment
  CATA240  Perityle emoryi Mark L. Hoefs, A. Douglas Propst 1973-5-4 237 Los Angeles Santa Catalina Island: By road above Cottonwood Canyon 60 Comment
  UCR138526  Phacelia affinis L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mtns, Oak Spring, Oak Spring Canyon, off Little Tujunga 793 Comment
  RSA42305  Phacelia austromontana Lincoln Constance 1941-6-25 2855 Los Angeles North side of Vincent Gulch 2134 Comment
  RSA772516  Phacelia austromontana R. G. Swinney 2009-5-20 10847 Los Angeles Pechner Canyon, SE of community of Juniper Hills. 1463 Comment
  RSA228846  Phacelia brachyloba Robert F. Thorne 1971-6-26 40613 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
  RSA75505  Phacelia brachyloba F. W. Peirson 1920-5-3 2119 Los Angeles Little Tujunga wash, near San Fernando Valley 335 Comment
  UCR216378  Phacelia cicutaria Dan S. Cooper 2010-5-10 510- 52 A Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Mt. Hollywood Dr., near Royce Canyon, Griffith Park 284 Comment
  POM155787  Phacelia cicutaria var. hispida M. B. Dunkle 1928-4-21 1864 Los Angeles Santa Catalina Island: Renton Mine. 305 Comment
  RSA187967  Phacelia cicutaria var. hispida Robert F. Thorne 1966-4-5 35864 Los Angeles Santa Catalina Island, Cottonwood Canyon. 107 Comment
  UCR280771  Phacelia cicutaria var. hispida R. G. Swinney 2014-5-19 16586 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
  RSA427667  Phacelia cicutaria var. hispida E. Crow 1928-4-11 247 Los Angeles Hills southwest of Pomona. Comment
  LA210024  Phacelia cicutaria var. hubbyi E. McClintock; 1938-4-12 Los Angeles Pomona Comment
  RSA775874  Phacelia cryptantha Orlando Mistretta, Christine Mistretta 2010-5-26 5209 Los Angeles Upper Mill Creek canyon drainage, S of Mill Creek Summit, along Southern California Edison transmission line corridor. 1463 Comment
  RSA704349  Phacelia curvipes Gary D. Wallace 1982-4-17 1918 Los Angeles Bob's Gap. Comment
  SD44547  Phacelia davidsonii Kay H. Beach, Frank W. Gould 1943-5-5 1750 Los Angeles San Gabriel Mts., E of Fern Canyon 1524 Comment
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Mar 31 2016
  RSA0092145  Phacelia distans R. G. Swinney 2011-5-26 14843 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
  RSA669146  Phacelia distans LeRoy Gross, Naomi S. Fraga 2002-4-4 515 Los Angeles 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 abandoned. 468 Comment
  RSA785821  Phacelia distans K. Dobry 1991-4-4 405 Los Angeles Elsmere Cyn. West San Gabriel Mts. Comment
  SFV3003  Phacelia distans H. L. Bauer 1941-4-21 647 Los Angeles Playa del Rey. 61 Comment
  SEINET12280103  Phacelia distans E. A. Purer 1935-1 6596 Los Angeles Comment
  LA205634  Phacelia douglasii F. R. Fosberg; 1932-3-28 8064 Los Angeles El Segundo 4 Comment
  UCR256551  Phacelia egena Anuja Parikh, Nathan Gale 2011-6-20 3490 Los Angeles Transverse Range: San Gabriel Mountains, south of Rabbit Peak, 1.8 km east of Angeles Forest Hwy, just north of Monte Cristo Creek 1323 Comment
  RSA570291  Phacelia fremontii Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4969 Los Angeles Soledad Canyon Wash: about half mile E of Acton. 829 Comment
  RSA630312  Phacelia fremontii Louis C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 Comment
  UC162621  Phacelia fremontii H. M. Hall 1895-1 218 Los Angeles Schwartout Canyon San Antonio Mts. Comment
  SEINET6097661  Phacelia fremontii Louis Wheeler Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  UC1426001  Phacelia fremontii Robert F. Thorne and C. W. Tilforth 1973-4-20 43099 Los Angeles Mormon Rocks and Cajon Canyon San Gabriel Mts., Mojave Desert Slope, San Bernardino Nation 1036 Comment
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Sep 10 2013
  RSA427972  Phacelia grandiflora Geo. L. Moxley, Grinnell 1916-6-15 486 Los Angeles Santa Susana Mtns.: Devil s Canyon. Comment
  RSA802048  Phacelia grandiflora Orlando Mistretta, Kristie Haydu 2011-7-20 5959 Los Angeles Grizzly Flat Road, N of Angeles Crest Hwy, 0.4 air miles W of Hoyt Mountain. 1168 Comment
  RSA627567  Phacelia grandiflora Sandy Leatherman 1998-7-1 30 Los Angeles San Gabriel Canyon. North of State Route 39 and east of Roberts Canyon. Comment
  SBBG65324  Phacelia imbricata R. Hoffmann 1925-5-16 Los Angeles E Bouquet Cyn Comment
  UC697770  Phacelia imbricata Kay H. Beach 1943-6-15 1748 Los Angeles 8 mi ne San Dimas; San Gabriel Mts., Wolfs Kill Canyon Comment
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Jan 21 2011
  RSA0091125  Phacelia imbricata subsp. imbricata R. G. Swinney 2011-5-12 14713 Los Angeles San Gabriel Mountains: Along Cabin Creek near the confluence with Aliso Canyon. 1195 Comment
  RSA597281  Phacelia imbricata subsp. patula Tim S. Ross, Peter Fritsch, Steve Boyd, Orlando Mistretta 1990-6-22 3729 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon. 1939 Comment
  RSA428264  Phacelia lemmonii Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  POM3696  Phacelia minor C. F. Baker 1904-4-22 4170 Los Angeles Monrovia. Comment
  RSA703200  Phacelia minor LeRoy Gross 2005-2-15 1397 Los Angeles About 1/4 mile beyond the cemetery up Brand Canyon, on the south side of the mountains. 356 Comment
  UC1174715  Phacelia minor George W. Gillett 1954-4-23 367 Los Angeles Johnson's Pasture San Gabriel foothills (near Claremont) Comment
  UCD120571  Phacelia minor Daryl Koutnik; John Cuti 1978-4-12 338 Los Angeles Verdugo Mountains, south of La Tuna Canyon Road. 579 Comment
  UCSB42096  Phacelia minor Palys, Joe 1978-6-4 Los Angeles North side of Angeles Crest Highway, next to road; 17.2 mi. east of Mt. Gleason turnoff 1371 Comment
  CAS-BOT-BC145069  Phacelia mohavensis Le Roy Abrams; E. A. McGregor 1908-7-5 641 Los Angeles Swartout Canyon, desert slopes of the San Gabriel Mountains 1676 Comment
  RSA428143  Phacelia parryi H. L. Bauer 1931-5-1 s.n. Los Angeles Santa Monica. School Wildflower Garden. Comment
  UCSC001206  Phacelia pedicellata Peter Kamb 1948-5-6 950 Los Angeles desert foothills of the San Gabriel Mts. above Little Rock San Gabriel Mts., Little Rock 975 Comment
  SEINET3100967 Image available Phacelia ramosissima G. Rink 2011-6-2 10584 Los Angeles Chino Hills, northeast of La Brea, weedy place. 290 Comment
  POM156351  Phacelia ramosissima var. austrolitoralis L. R. Abrams 1902-6-9 2497 Los Angeles Playa del Rey. Comment
  RSA428162  Phacelia ramosissima var. austrolitoralis Fred H. Jensen 16152 Los Angeles El Segundo. Comment
  RSA638860  Phacelia ramosissima var. latifolia Valerie L. Soza, LeRoy Gross 1999-7-15 638 Los Angeles San Gabriel Mountains: Helispot off Mt. Wilson Trail, 2.7 miles from trailhead in Sierra Madre. 823 Comment
  RSA703519  Phacelia ramosissima var. latifolia Michael Honer 2004-6-22 2002 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon and Hog Back. 854 Comment
  RSA717949  Phacelia ramosissima var. latifolia R. G. Swinney, Dave Larson 1996-8-7 5241 Los Angeles Eastern San Gabriel Mountains: San Dimas Experimental Forest, head of Dry Lake Canyon at Dry Lake, site of CCC camp in 1930s. 1524 Comment
  UCR160094  Phacelia ramosissima var. latifolia Orlando Mistretta 1992-7-17 729 Los Angeles Transverse Ranges: San Gabriel Mountains, San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District 900 Comment
  RSA660095  Phacelia ramosissima var. ramosissima Orlando Mistretta 1992-6-12 545 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  UCR271213  Phacelia tanacetifolia R. G. Swinney 2011-4-20 14464 Los Angeles San Gabriel Mountains/ Western Mohave Desert, Vincent, 2.9 miles SE of Lake Palmdale on Carson Mesa, 100-200 m east of Angeles Forest Hwy 1000 Comment
  UCD120708  Phacelia viscida Daryl Koutnik 1978-5-10 466 Los Angeles Corral Canyon Road, Santa Monica Mountains. 640 Comment
  UC212405  Philadelphus lewisii Geo. B. Grant 1902-6-12 2572 Los Angeles Cedar Creek Comment
  UCR271074  Phoenix canariensis R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14353 Los Angeles San Gabriel Mountains, Little Santa Anita Cyn., base of Mt. Wilson Trail, above Mira Monte Ave., to 0.15 miles NE above the trailhead 427 Comment
  UCR136953  Pholisma arenarium B. C. Templeton 1938-6-30 6514 Los Angeles South Coast, El Segundo, sand dunes Comment
  CATA3311  Pholistoma auritum var. auritum Amy Catalano, Jen Dreizehn 2017-3-23 029 Los Angeles Santa Catalina Island: Near drainage bottom of Swains Canyon, directly west of ""duck head"" in Toyon Rd, north facing slope 96 Comment
  RSA459284  Pholistoma membranaceum L. E. Hoffman 1932-3-27 s.n. Los Angeles Big Rock Creek. Comment
  UCD120942  Pholistoma membranaceum Daryl Koutnik; Vickie Dawes 1978-4-6 289 Los Angeles State Highway 18 just east of Valermo turnoff. 944 Comment
  OBI13707  Pholistoma racemosum Robert J. Rodin 1953-5-2 5809 Los Angeles Cyn behind whites cove, Catalina Island Comment
  RSA459313  Pholistoma racemosum M. B. Dunkle 1929-4-6 2081 Los Angeles Equestrian Trail; Santa Catalina Island. Comment
  SBBG118691  Pholistoma racemosum O. Mistretta 1992-4-4 130 Los Angeles San Clemente Island, Stabilized dune Comment
  CAS-BOT-BC134963  Phoradendron bolleanum Lewis S. Rose 1934-1-3 34002 Los Angeles Mint Canyon Comment
  RSA589970  Phoradendron densum Orlando Mistretta 1994-3-30 941 Los Angeles Little Rock Creek, slopes E of creek below Little Rock Dam. 1159 Comment
  UCR98826  Phoradendron libocedri T. S. Ross, Steve Boyd, Peter Fritsch 1990-6-11 3370 Los Angeles San Gabriel Mtns., Big Rock Creek Canyon: c. 130m N to 250 m NNW of Icy Springs 1733 Comment
  RSA0084779  Phoradendron tomentosum R. G. Swinney 2010-9-13 13808 Los Angeles Crystal Lake, within 100 m of shoreline. 1683 Comment
  POM354332  Phoradendron villosum Louis C. Wheeler 1932-4-9 581 Los Angeles Kings Canyon near Elizabeth Lake. 1037 Comment
  RSA524637  Phoradendron villosum Tim S. Ross, Steve D. Boyd 1990-6-6 2812 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  RSA585948  Phoradendron villosum Tim S. Ross, Steve D. Boyd 1990-5-23 2625 Los Angeles San Gabriel Mountains, Mt. Gleason Area: north-northwesterly ridge descending from Messenger Peak (6015 ft), near the headwaters of Mill Canyon and Moody Canyon 1646 Comment
  RSA683951  Phyllospadix scouleri E. Yale Dawson 1957-11-7 17746 Los Angeles Dead Man s Cove. Portuguese Point. Comment
  RSA384426  Pinus contorta var. murrayana L. E. Hoffman 1932-8-21 s.n. Los Angeles Mt. Baldy, east slope 3049 Comment
  HSC79761  Pinus coulteri N. Cole 1967-5-27 97 Los Angeles Charlton Flats, San Gabriel Mtns. 1500 Comment
  SEINET3562271 Image available Pinus coulteri Walter Schlaer 1965-11-7 s.n. Los Angeles Charlton Picnic Area, 10 miles northeast of Pasadena, Angeles National Forest. 1646 Comment
  RSA0049407  Pinus excelsa Lyman Benson 1944-12-12 11576 Los Angeles Claremont. Comment
  UCR251080  Pinus halepensis Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1352 Los Angeles Transverse Ranges; San Gabriel Mountains region, Verdugo Mountains, Mesa Lila Road, southeast side of Henderson Canyon 427 Comment
  RSA384362  Pinus monophylla George B. Grant 1903-1 989 Los Angeles Mt. Lowe Comment
  UCSB97  Pinus monophylla Ralph, F. 1959-7-18 Los Angeles On U.S. 99, 6.9 miles S of its jct. with Calif. 138 762 Comment
  CATA1878  Piperia cooperi Denise Knapp 2003-4-5 Los Angeles Santa Catalina Island: At the Blair Ironwood Grove, between Black Jack and Echo Lake 373 Comment
  RSA382795  Piperia elongata George Henry Grinnell 1927-7-3 s.n. Los Angeles Seminole Mountain, Malibu. Comment
  CAS-BOT-BC254413  Piptatherum miliaceum A. J. McClatchie 1896-8-20 s.n. Los Angeles Near Los Angeles Comment
  RSA755582  Piptatherum miliaceum R. G. Swinney 2008-7-12 9174 Los Angeles San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  UCR206494  Pistacia chinensis A. C. Sanders, T. B. Salvato 2009-5-21 36903 Los Angeles San Gabriel Valley, Whittier Narrows, between San Gabriel River and Rio Hondo, west side of Hwy 19 (Rosemead Blvd.) along road to shooting area, S of Hwy 60 along SCE powerlines 66 Comment
  RSA659158  Pittosporum undulatum Patricia Kouo 1994-4-27 944009 Los Angeles 3 miles south of I-10, and 1-mile north of I-60. On the west side of Rosemead Blvd. at the most southern lake. Comment
  POM368909  Plagiobothrys M. B. Dunkle 1928-2-12 1701 Los Angeles Middle Ranch Canyon 335 Comment
  CAS-BOT-BC172769  Plagiobothrys arizonicus Timothy S. Ross; Steve Boyd 1994-5-4 7632 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
  RSA611838  Plagiobothrys arizonicus Steve Boyd, Valerie Soza 1998-4-28 10174 Los Angeles Liebre Mountains region: Antelope Valley, at foot of Portal Ridge along Lancaster Road, just south of the junction with Highway 138, west of Fairmont. Comment
  RSA729960  Plagiobothrys arizonicus R. G. Swinney 1999-4-5 7064 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
  UCR180376  Plagiobothrys arizonicus Scott D. White, Pam Devries 2006-5-9 11415 Los Angeles SE Tehachapi Mtns, Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy and SW of Gorman Post Road 1098 Comment
  RSA549549  Plagiobothrys arizonicus Tim Ross 1992-4-4 6088 Los Angeles Adobe Mountain: SW Mojave Desert. 927 Comment
  UCR93299  Plagiobothrys canescens T. S. Ross, Janet Takara, Stacey Otte 1993-4-24 6954 Los Angeles Santa Catalina Island, W end of island beyond the isthmus, on main east-west ridgetop; upper NW slope of Silver Peak (= West Peak Triangulation Point, 1804 ft.) 527 Comment
  JEPS68011  Plagiobothrys collinus Frank W. Peirson 1921-6-15 997 Los Angeles Pine Flats to Chilao; San Gabriel Mountains 1676 Comment
  UCR270856  Plagiobothrys collinus R. G. Swinney 2011-5-24 14796 Los Angeles San Gabriel Mountains, to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1061 Comment
  POM3871  Plagiobothrys parishii Marjorie Shaw, Spaulding, Walton 1917-4-6 993 Los Angeles Lovejoy Springs, 16 miles north of east Palmdale Comment
  RSA601935  Plagiobothrys tenellus L. C. Wheeler 1946-5-12 6200 Los Angeles Chilao Guard Station Comment
  CATA388  Plantago coronopus Mark L. Hoefs 1974-5-2 453 Los Angeles Santa Catalina Island: Above Parsons' Landing, by road 30 Comment
  POM61309  Plantago erecta L. R. Abrams 1903-4-10 3241 Los Angeles Near Mesmer. Comment
  RSA199189  Plantago erecta Robert F. Thorne, D. Propst 1968-5-28 37651 Los Angeles Santa Catalina Island: central Bullrush Canyon. 244 Comment
  RSA158323  Plantago erecta Peter H. Raven 1962-4-10 17227 Los Angeles Summit ridge about 2 miles north of Thirst. 488 Comment
  RSA412570  Plantago major Elbert Benjamine 1929-5-26 203 Los Angeles San Dimas Canyon, San Gabriel Mountains. Comment
  SDSU1035  Plantago ovata Gerald Collier 1951-4-7 Los Angeles Point Bluff Dume, 1 miles SE of Zuma Beach. Comment
  SBBG50110  Plantago ovata var. insularis M. R. Benedict 1971-6-26 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  RSA228902  Platanthera leucostachys Robert F. Thorne 1971-8-25 41320 Los Angeles San Gabriel Mountains, Angeles National Forest: near Windy Spring on N slope of Mt. Islip 2256 Comment
  CAS-BOT-BC93194  Platanus racemosa C. F. Baker 1909-5-15 5336 Los Angeles Mountains near Claremont. Comment
  SDSU1052  Platanus racemosa Gerald Collier 1951-5-10 Los Angeles Parkway along Sunset Blvd about 50 yards west of Hilgard Avenue. UCLA campus. Comment
  UC635475  Platystemon californicus Curtis Ferris 1923-3-21 83 Los Angeles Fairmont Comment
  UCR192178  Platystemon californicus A. C. Sanders 2008-4-17 34944 Los Angeles Transverse Range, hills 1.5 mi. SW of Neenach School, c. 1.5 mi. west of Pine Canyon 976 Comment
  SBBG69562  Plectritis ciliosa subsp. insignis R. Hoffmann 1925-4-19 Los Angeles Bouquet Cyn Comment
  CAS-BOT-BC244434  Poa annua Geo. B. Grant 1903-4-1 s.n. Los Angeles Pasadena Comment
  POM16505  Poa secunda Le Roy Abrams 1901-04 1475 Los Angeles Santa Monica Mountains Comment
  SEINET3222958 Image available Poa secunda Steve Myers, Ed LaRue 1989-3-20 Los Angeles Palmdale area. Elizabeth Lake Road at California Aqueduct. 880 Comment
  UCR126656  Poa secunda A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26113 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam 518 Comment
  UCR209884  Poa secunda R. G. Swinney 2008-7-16 9245 Los Angeles San Gabriel Mtns., Will Thrall Peak, west of Burkhart Saddle 2392 Comment
  UCR270818  Poa secunda R. G. Swinney 2011-5-24 14804 Los Angeles San Gabriel Mountains, to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1061 Comment
  UCD90724  Poa secunda subsp. secunda J. E. Coke 1933-5-1 s.n. Los Angeles Antelope Valley. Comment
  CHSC98099  Polycarpon tetraphyllum LeRoy Gross; Michael Denslow, Bill Hogshead, S. Swartzentruber 2003-6-17 1034 Los Angeles Transverse Ranges; Verdugo Mountains region: South side of mountains: West side of Brand Canyon just a short distance above the cemetery. Shady canyon site next to stairs that go up to an old foundation. 307 Comment
  RSA681051  Polycarpon tetraphyllum Scott D. White 2003-6-2 9451 Los Angeles Puente Hills: City of Industry, just northwest of SR 60 / SR 57 freeway at Grand Ave. exit. 183 Comment
  RSA0065365  Polygala cornuta subsp. fishiae A. E. Hersh 1950-7-15 s.n. Los Angeles Topanga Canyon above 3 miles from west end. 152 Comment
  RSA755928  Polygonum arenastrum Orlando Mistretta, Christine Mistretta 2008-4-10 2410 Los Angeles Ritter Ridge, SW of Quartz Hill. Along SCE transmission lines just S. of California Aqueduct. (Segment 5, structure 17 per TRTP survey - 2008) 919 Comment
  RSA645705  Polygonum argyrocoleon A. C. Sanders, E. J. Lott 1993-5-6 13955 Los Angeles Mojave Desert: 13 miles N of Palmdale, Sierra Hwy at Ave ''F''. [UTM 10km cell: LJ-9E, 4N. Sterks Ranch] 701 Comment
  SD181379  Polygonum aviculare subsp. depressum Louis C. Wheeler 1973-6-15 Los Angeles Los Angeles; Between San Diego (405) Fwy and Sepulveda Blvd., just east of Alameda St. Comment
  SD230268  Polygonum aviculare subsp. depressum Louis C. Wheeler 1973-6-8 Los Angeles Los Angeles: Southeast of Alameda St. and San Diego (405) Fwy, between Sepulveda Blvd. and 233rd St. [L.A. Harbor Dept., Classification Yard, East of Dominguez Flood Control Channel.] Comment
  RSA596192  Polygonum lapathifolium Lauren Raz, S. D. Boyd 1996-10-23 25 Los Angeles Liebre Mountains. Entrance to Ruby Canyon on Forest Service Road 6N24 ca. 1/10 mile from junction with Lake Hughes Road 610 Comment
  RSA13695  Polygonum lapathifolium Louis C. Wheeler 1933-8-20 2087 Los Angeles Pine Canyon Dam, San Gabriel Canyon, San Gabriel Mountains. 305 Comment
  LA94068  Polypodium californicum Lawrence L. Kiefer; 1966-3-26 1796 Los Angeles SANTA MONICA MOUNTAINS, Greenleaf Canyon, N of Topanga. 259 Comment
  SBBG38821  Polypodium californicum R. Moran 1941-2-2 598 Los Angeles Middle Ranch Comment
  RSA535339  Polypodium californicum T. S. Ross 1991-5-21 5393 Los Angeles San Clemente Island: upper easterly branch of Box Canyon. 463 Comment
  UCR241595  Polypogon interruptus D. E. Bramlet 1982-5-17 1098 Los Angeles San Gabriel Valley, Walnut, 30 acre parcel near intersection of La Puente Rd. and Lemon Ave., along Lemon Creek 174 Comment
  RSA776731  Polypogon monspeliensis Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11680 Los Angeles Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  SBBG128292  Polypogon monspeliensis M. L. Hoefs, S. A. Junak, K. Kirkland 1999-5-6 3018 Los Angeles Parson's Landing 4 Comment
  SBBG13308  Polypogon monspeliensis M. A. Piehl -Jun-1962 62377 a Los Angeles about buildings and along rds at Navy Base 38 Comment
  LA10306  Polypogon viridis Marjorie Bowler; 1937-10-20 69 Los Angeles ditch of Venice Blvd, Mar Vista Comment
  RSA177766  Polypogon viridis R. F. Thorne, Percy C. Everett 1965-5-10 34436 -A Los Angeles Cape Canyon, Santa Catalina Island 274 Comment
  LA212147  Populus fremontii Elwood Fordham; 1951-4-20 s.n. Los Angeles Chatsworth Hills, near lake. Comment
  RSA764062  Potentilla glandulosa R. G. Swinney 2008-8-13 9390 Los Angeles Big Rock Creek, 1.3 mi. east of Fenner Canyon. 1860 Comment
  UCR63705  Potentilla tabernaemontani Dai Nguyen 1990-5-4 03 Los Angeles La Jolla State Beach, west of Pacific Coast Hwy. Along the edge of the shore on a nature trail 0 Comment
  LA208096  Poterium sanguisorba Louis C. Wheeler; 1932-7-25 1102 Los Angeles Thompson Wash 2.5 mi. ne La Verne 380 Comment
  UCSB3470  Prosopis glandulosa var. torreyana Philbrick, Ralph 1953-3-3 Los Angeles In a wash in Claremont 304 Comment
  UC1128363  Prunus fasciculata A. Lewis 1933-4-23 191 Los Angeles 3 mi sw of Del Sur 1005 Comment
  OBI46138  Prunus fasciculata var. fasciculata David J. Keil, V. L. Holland, Michael Stile, and Francis Villablanca 1987-5-1 20044 Los Angeles Angeles Natl Forest, Littlerock Reservoir Comment
  RSA569956  Prunus ilicifolia Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4869 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  LA52091  Prunus ilicifolia subsp. ilicifolia Carl Epling; L. Ellison 1929-3-30 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  SBBG27261  Prunus ilicifolia subsp. ilicifolia C. B. Wolf, P. C. Everett 1937-10-19 Los Angeles Placerita Cyn, along Placerita Crk, 1 mi E of Newhall 396 Comment
  SBBG44676  Prunus ilicifolia subsp. lyonii W. A. Wright 1931-2-19 Los Angeles Bannings Cyn 152 Comment
  CAS-BOT-BC154775  Prunus virginiana var. demissa Timothy S. Ross 1994-4-28 7568 Los Angeles Grass Mountain: Northeast summit (ca 4560 ft) 1386 Comment
  LA200199  Pseudognaphalium biolettii Barbara Crumly; 1953-3-21 sn Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  SBBG131716  Pseudognaphalium biolettii S. A. Junak 1999-5-22 SCa 1003 Los Angeles end of Goat Harbor, W fork of cyn 54 Comment
  UC74000  Pseudognaphalium biolettii Dr. J. Q. Adams 1905-9-1 Los Angeles near Soldier's Home Comment
  CAS-BOT-BC356708  Pseudognaphalium californicum Alice Eastwood 1917-7-20 6507 Los Angeles Santa Catalina Island Comment
  UCR260338  Pseudognaphalium californicum R. G. Swinney 2010-5-4 12558 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  UCR65249  Pseudognaphalium californicum F. R. Fosberg 1931-4-2 S- 4449 Los Angeles Channel Islands, Santa Catalina Island, Camp Frost 380 Comment
  CAS-BOT-BC357303  Pseudognaphalium microcephalum Le Roy Abrams 1901-4-7 1424 Los Angeles Arroyo Seco above Devils Gate Comment
  SBBG79665  Pseudognaphalium stramineum F. R. Fosberg 1931-3-23 4338 Los Angeles Hamilton Cyn 15 Comment
  RSA384630  Pseudotsuga macrocarpa Donald R. Bissing 1973-6-2 165 Los Angeles Evey Canyon 976 Comment
  UC586929  Pseudotsuga macrocarpa Joseph Andorfer Ewan 1934-8-8 8379 Los Angeles Mt. Islip Trail 0.25 mi above Big Cienega Camp; San Gabriel Mts. 2057 Comment
  RSA332612  Pterospora andromedea Wayen E. Sawyer 1981-8-11 130 Los Angeles CA Hwy. 2 between Dawson Saddle and junction of CA Hwy. 39, 1.8 mi from Dawson Saddle 2256 Comment
  POM2152  Pterostegia drymarioides I. M. Johnston 1918-6-23 s.n. Los Angeles Spring Hill, San Antonio Canyon; Upper Sonoran Zone. 1280 Comment
  RSA191021  Pterostegia drymarioides James Henrickson 1963-5-5 32319 Los Angeles Cobal Canyon, foothills of San Gabriel Mts., ca. 4 miles N of Claremont 518 Comment
  SBBG42283  Pterostegia drymarioides M. B. Dunkle 1939-4-2 7207 Los Angeles San Clemente Island, SE point of island Comment
  CAS-BOT-BC421206  Pterostegia drymarioides Tim Ross; Orlando Mistretta 1993-5-27 7341 Los Angeles W end of the San Gabriel Mtns: Wilson Canyon 621 Comment
  RSA0092265  Pycnanthemum californicum R. G. Swinney 2010-9-13 13817 Los Angeles San Gabriel Mountains: c. 0.6 miles west of Falling Springs along Hwy.39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek. 1244 Comment
  RSA747198  Pycnanthemum californicum R. G. Swinney 2005-8-5 8385 Los Angeles Big Rock Creek at Paradise Springs. 1439 Comment
  UC75255  Pycnanthemum californicum C. F. Baker 1903-8-2 3449 Los Angeles San Antonio Canyon near Claremont; San Antonio Canyon near Claremont Comment
  SFV17950  Pyrola minor J. N. Hogue, J. D. Dilley 1998-8-8 125 .6 Los Angeles San Gabriel Mountains Along Forest Route 3N07 to South Mount Hawkins from Pine Flats and Crystal Lake. Along road/trail above Big Cienega. 1980 Comment
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Oct 31 2013
  UC993208  Quercus J. M. Tucker 1948-9-26 1880 Los Angeles 9.6 mi e Gorman (beside Highway 138) Comment
  RSA477076  Quercus X grandidentata George B. Grant 1904-6-14 1091 Los Angeles Monrovia Comment
  RSA0014961  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
  CHSC95811  Quercus berberidifolia LeRoy Gross 2000-10-28 304 Los Angeles Verdugo Mountains: Brand lateral trail behind the Brand Park Library, ridge west of Idlewood Canyon, where Grandview Ave. and Mountain St. meet in the city of Glendale. Following fire break up to main crest (to Beaudry fire road). 487 Comment
  UC1076078  Quercus berberidifolia H. L. Mason 1927-5-20 3737 a Los Angeles Tejon Pass Sierra Liebre Mts. Comment
  UCSB34829  Quercus berberidifolia Lloyd, Robert 1959-3-24 Los Angeles At Oak Flats Fire Station, 10 mi. north of Castaic, Calif, on U.S. Hwy. 99, Tehachapi Mts. 822 Comment
  UCSB34866  Quercus berberidifolia Lloyd, Robert 1959-3-3 Los Angeles Ganesha Hills near comer of Hillcrest and North Hill Rd. north of Pomona 274 Comment
  RSA0085502  Quercus chrysolepis R. G. Swinney 2010-9-9 13786 Los Angeles Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  RSA476908  Quercus chrysolepis Anstruther Davidson 1893-6-12 s.n. Los Angeles Switzer's Trail. Comment
  SEINET13709296  Quercus chrysolepis J. Adams, J. Adams (Botany) 1965-1 223 Los Angeles Mt San Antonio Canyon, 2.7 Mi. Above Lower Mt San Antonio (Mt Baldy) Forest Station 3320 Ft 1012 Comment
  CAS-BOT-BC86403  Quercus dumosa C. E. Miller 1919-1-1 s.n. Los Angeles Catalina Island Comment
  UCD45795  Quercus dumosa J. Ewan 1931-10-11 5242 Los Angeles Sepulveda Canyon Rd. north of Mulholland. Santa Monica Mts. Comment
  RSA476604  Quercus durata var. gabrielensis I. M. Johnston 1930-9-7 s.n. Los Angeles Mt. Wilson Trail 762 Comment
  UCR177738  Quercus durata var. gabrielensis LeRoy Gross, Naomi Fraga, B. Hogshead, Aydee Virgen 2003-6-19 1079 Los Angeles Transverse Ranges; Verdugo Mountains region, North side of mountains: South of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway. 556 Comment
  POM295273  Quercus engelmannii Lyman Benson 1949-10-20 14276 Los Angeles Canyon Drive just west of the mouth of Monrovia Canyon 549 Comment
  POM270725  Quercus john-tuckeri Lyman Benson 1946-11-21 12244 Los Angeles 5 miles east of Big Pine 1311 Comment
  SEINET8987486  Quercus john-tuckeri Unknown 2013-1 240 Los Angeles Rancho Santa Ana Botanic Garden Comment
  CAS-BOT-BC104304  Quercus oblongifolia Miss Turner 1918-12-16 s.n. Los Angeles Canyon road, back of San Gabriel Mission, Los Angeles Comment
  UCR168351  Quercus pacifica Reid Moran 1941-3-14 708 Los Angeles Channel Islands, Santa Catalina Island: Middle Ranch 200 Comment
  CAS-BOT-BC257062  Quercus tomentella P. S. Manos 1988-10-28 690 Los Angeles San Clemente Island, just S of Vista Canyon and N of Eagle Canyon 243 Comment
  SBBG26456  Quercus tomentella R. F. Thorne 1966-5-31 36431 Los Angeles ridge running from S end of Mt Orizaba, S side of S fork of Fern Cyn 426 Comment
  UC2052843  Quercus tomentella M. B. Dunkle 1939-11-25 7357 Los Angeles San Clemente Island, NE slope. Comment
  UC848309  Quercus tomentella F. R. Fosberg 1931-12-11 7155 Los Angeles Gallagher's Canyon, right fork Santa Catalina Island 40 Comment
  RSA779215  Quercus wislizeni R. G. Swinney 2009-6-8 11067 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  SFV6247  Quercus wislizeni var. frutescens M. H. Grayum, D. Gillen 1974-5-31 s. n. Los Angeles Santa Susana Mountains North side of Oat Mountain, along main ridge road. 1021 Comment
  CAS-BOT-BC362473  Rafinesquia californica Louis C. Wheeler 1934-4-24 2539 Los Angeles Liveoak [Live Oak] Canyon Dam, San Gabriel Mts. 457 Comment
  RSA83929  Ranunculus californicus F. W. Peirson 1921-2-26 2675 Los Angeles Topango Canyon, Santa Monica Mts. 305 Comment
  SD252300  Raphanus raphanistrum Steven A. Junak 2000-5-18 Sca 1300 Los Angeles Santa Catalina Island: N side of N Shore Road, 0.6 mile E of turn-off for Howland's Landing. 39 Comment
  UCR186697  Raphanus sativus T. B. Salvato, Sandra Murcia 2007-3-28 2002 Los Angeles San Gabriel Mountains, Santa Anita Reservoir, proposed 4-acre sediment placement site, east side of the channel and 0.4 mi south of the Elkins Avenue entrance gate 680 Comment
  CHSC110019  Rhamnus californica Mark Elvin; Michael Wall, Scott Koukol, Sylvia Engstrom 1996-9-11 360 Los Angeles Transverse Ranges; San Gabriel Mountains region: San Gabriel Mtns. Claremont. ~0.6mi W of Mt. Baldy Rd. in Evey Canyon. Comment
  SEINET10841813  Rhamnus californica Walter H. Lewis 1991-6-13 Lewis 14926 Los Angeles San Gabriel Mountains, San Antonio Canyon, Mt. Baldy Rd., near Hog Back turnoff. 1146 Comment
  RSA95304  Rhamnus californica subsp. californica F. W. Peirson 1920-4-22 108 Los Angeles Rubio Canyon, south base of San Gabriel Mts. Comment
  CAS-BOT-BC133219  Rhamnus crocea A. C. Sanders; Mitch Provance; T. B. Salvato 2009-6-1 37082 Los Angeles San Gabriel Valley: west edge of I-605 and c. 1 mile west of the center of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  SDSU10367  Rhamnus crocea A. H. Gallup 1948-3-20 120 Los Angeles Claremont --Mills Avenue. 37 Comment
  UCR108198  Rhamnus crocea Erin Hewgley, J. Gural 1997-4-27 21 Los Angeles Bernard Field Station of the Claremont Colleges, located on the NW coner of Mills Ave. and Fotthill Boulevard. Directly west of main paved road, west of north-south fire road, north of small, dry, gully 412 Comment
  UCR154220  Rhamnus crocea A. C. Sanders, T. B. Salvato 2005-5-24 30251 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon NW of community of Mint Canyon, tributary of Santa Clara River 518 Comment
  RSA670580  Rhamnus crocea subsp. ilicifolia Bonnie C. Templeton 1930-5-27 1474 Los Angeles Near Mulholland Drive. North of Hollywood. 600 Comment
  RSA724528  Rhamnus ilicifolia K. Dobry 1991-3-15 d- 432 Los Angeles San Gabriel Mts at Elsmre Cyn. Comment
  RSA750106  Rhamnus ilicifolia R. G. Swinney 2008-5-5 8768 Los Angeles Big Rock Creek at Paradise Springs 1427 Comment
  SBBG17299  Rhamnus ilicifolia M. Vincent 1962-4-6 161 Los Angeles Old Topanga Cyn Rd, 2 mi W of New Topanga Cyn Rd Comment
  SD80071  Rhamnus ilicifolia Nancy Ryan Zabriskie, Walter Zabriskie 1970-4-12 282 Los Angeles East bank of Arroyo Seco, down stream from La Loma Street bridge, extreme southwest area of Pasadena. 213 Comment
  UCD112344  Rhamnus ilicifolia M. Vincent 1962-4-6 161 Los Angeles Old Topanga Canyon Road, 2 miles W of New Topanga Road. Comment
  UCR205603  Rhamnus ilicifolia R. G. Swinney 2008-5-13 8856 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, Holcomb Canyon, 0.5 mi. south of Big Rock Creek Rd. 1293 Comment
  SBBG105503  Rhamnus pirifolia R. F. Thorne 1966-9-16 36718 Los Angeles Renton Mine Rd, near upper end Pebbly Beach Cyn 259 Comment
  RSA128014  Rhamnus tomentella subsp. tomentella Peter H. Raven, H. J. Thompson 1959-10-18 14679 Los Angeles In chaparral along Muholland Highway 2.9 mi. east of Decker Road. 663 Comment
  CAS-BOT-BC170459  Rhus integrifolia Dr. Barton W. Evermann 1918-3-25 s.n. Los Angeles San Clemente Isl. Comment
  RSA101666  Rhus integrifolia G. R. Proctor 1944-01 767 Los Angeles Sand dunes at El Segundo. Comment
  RSA247211  Rhus integrifolia Jack Delaini 1974-3-11 66 Los Angeles Lodi Canyon, on SW-facing slope. 503 Comment
  RSA649289  Rhus integrifolia Kathy Lynn 1971-3-3 71 -32 Los Angeles Collected on Weaver's ranch, Diamond Bar area 1.5 mi. from Old Brea Cyn Rd. cutoff 140 Comment
  SBBG128119  Rhus integrifolia M. L. Hoefs, R. Given 1992-5-16 1792 Los Angeles Wild Boar Gully 152 Comment
  SD112043  Rhus integrifolia Betsy Carpenter, Linda Allen 1975-3-20 Los Angeles Santa Catalina Island: Mid-Avalon Canyon, Hour Trail Comment
  UCR213517  Rhus integrifolia A. C. Sanders, Karen Kirtland 2010-5-14 38343 Los Angeles South Coast, Palos Verdes Peninsula, San Ramon Canyon in city of Rancho Palos Verdes, near Los Angeles city boundary 201 Comment
  UCR258579  Rhus integrifolia R. G. Swinney 2010-4-23 12365 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR272346  Rhus integrifolia R. G. Swinney 2011-3-15 14102 Los Angeles San Gabriel Mountains, Arcadia, Arcadia Wilderness Park, 2240 Highland Oaks Drive, lower Santa Anita Cyn., southern portion of park 232 Comment
  UCSB8657  Rhus integrifolia Philbrick, Ralph 1954-03 Los Angeles Pacific Palisades Comment
  CAS-BOT-BC167943  Rhus ovata Robert F. Thorne 1970-3-5 39379 Los Angeles Santa Catalina Island: Upper Avalon Canyon 60 Comment
  CATA3007  Rhus ovata Amy Catalano 2016-2-3 010 Los Angeles Santa Catalina Island: Small drainage north of Airport Road in ""Fox Country"" 385 Comment
  CHSC3727  Rhus ovata Sue Boergadine 1966-5-26 Los Angeles Switzer's camp 762 Comment
  RSA0116757  Rhus ovata R. G. Swinney 2010-8-23 13575 Los Angeles San Gabriel Mountains; Mt. Zion summit, between Hoegee Campground and Camp Sturtevant on the Mt. Zion Trail. 1085 Comment
  RSA666853  Rhus ovata A. C. Sanders, D. Malueg 2001-5-17 24334 Los Angeles Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned. 122 Comment
  SFV16025  Rhus ovata P. W. Byrne, H. Levin 1994-4-23 15 Los Angeles San Gabriel Mountains Live Oak Campground, along Bear Canyon. 600 Comment
  UCR256233  Rhus ovata R. G. Swinney 2010-6-4 13041 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
  UCR271588  Rhus ovata R. G. Swinney 2011-11-3 15995 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre 549 Comment
  UC1584258  Rhus trilobata Tim Ross, Steve Boyd 1990-6-6 2832 Los Angeles Green Valley Pasture; San Francisquito Canyon 926 Comment
  RSA403705  Rhus trilobata var. pilosissima Anstruther Davidson 1891-06 s.n. Los Angeles Los Angeles. Comment
  OBI32606  Ribes Henry J. Thompson 1959-2-20 1848 Los Angeles Santa Monica Mts. 2 mi E of peak along Saddle Peak Rd Comment
  CAS-BOT-BC92292  Ribes amarum Timothy S. Ross 1992-4-21 6234 Los Angeles San Gabriel Mountains. Fallen Leaf Spring. Draining northward to Cow Canyon. 1341 Comment
  UCR200113  Ribes aureum Valerie Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 654 B Los Angeles Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. southsouthwest of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 579 Comment
  UCR271720  Ribes californicum R. G. Swinney 2011-3-26 14211 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
  UCR91466  Ribes californicum var. hesperium Scott D. White 1995-2-11 2540 Los Angeles San Gabriel Mtns, Upslope from USFS San Dimas Station, N end of San Dimas Reservoir 457 Comment
  CAS-BOT-BC93401  Ribes cereum J. R. Bonquet 1960-8-18 s.n. Los Angeles Blue Ridge summit, San Gabriel Mountains, Angeles National Forest. 2225 Comment
  UCR202744  Ribes cereum R. G. Swinney 2001-8-27 8095 Los Angeles San Gabriel Mtns., Throop Peak, west of Mt. Baden-Powell 2786 Comment
  CAS-BOT-BC167102  Ribes indecorum A. C. Sanders 2003-3-14 25784 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 560 Comment
  CAS-BOT-BC173109  Ribes indecorum B. 1904-2-17 4009 Los Angeles Claremont Comment
  LA205441  Ribes indecorum Louis C. Wheeler; 1932-4-16 636 Los Angeles San Gabriel Mountains, Santa Anita Canyon, W side 853 Comment
  UCSB24066  Ribes indecorum Wheeler, Louis 1932-2-28 Los Angeles Thompson Creek Dam; near Claremont 502 Comment
  SDSU5974  Ribes malvaceum Gerald Collier 1957-5-5 M 222 Los Angeles Rocky canyon floor 2 miles up canyon from base of Chantry Flats Trail. Santa Anita Canyon - San Gabriel Mountains. 786 Comment
  UC56954  Ribes malvaceum Miss E. D. Palmer Los Angeles Los Angeles Comment
  UCR256217  Ribes malvaceum R. G. Swinney 2010-6-4 13026 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
  RSA240445  Ribes nevadense W. L. Stern 1969-8-14 2817 Los Angeles Angeles Crest Hwy, 1.2 miles SE Dawson Saddle near Whitethorne Picnic Area. 2322 Comment
  RSA476297  Ribes speciosum Richard C. Barkelew 1929-4-7 15833 Los Angeles Mulholland Highlands Comment
  SBBG17033  Ribes speciosum K. A. Wilson 1961-3-10 959 Los Angeles Old Topanga Cyn Rd, ca. 1/4 mi W of Topanga Cyn Rd Comment
  SEINET3151846  Ribes tenuiflorum G. B. Grant, W. Wheeler 1904-5-7 1128 Los Angeles Glendora Comment
  CATA18  Ribes viburnifolium Eric T. Johnson 1987-6-16 5 Los Angeles Santa Catalina Island: Haypress Reservoir region 426 Comment
  RSA527700  Ricinus communis T. S. Ross, Annette Ross 1991-6-3 5521 Los Angeles Elephant Hill; west Pomona. 241 Comment
  SEINET6096651  Rigiopappus leptocladus Unknown 1996-4-18 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  LA51498  Rorippa nasturtium-aquaticum O. H. Kappler; 1944-5-14 618 Los Angeles 0 Comment
  UC1595342  Rorippa nasturtium-aquaticum Tim Ross 1992-5-17 6365 Los Angeles lower Shoemaker Canyon draining to the E Fork San Gabriel River; San Gabriel Mts., e Fork San Gabriel River, lower Shoemaker 690 Comment
  LA52071  Rosa californica Carl Epling; May 1927 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  POM183632  Rosa californica Joseph A. Ewan 1929-11-11 3439 Los Angeles Rustic Canyon, Santa Monica Mtns. Comment
  RSA720359  Rosa californica LeRoy Gross 2007-3-30 2617 Los Angeles Northeast side of the range. Unnamed canyon or east branch of Engleheard Canyon. Hiked this creek from just off a dirt road near the mouth to a little way up canyon., From 34.20590N, 118.24818W, to 34.20117N, 118.25262W. 404 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
  UCSB8443  Rosa californica McElwain, Isabelle 1953-5-18 Los Angeles Zelzah Ave, short distance N. of intersection between Zelzah avenue and Lerdo avenue; Granada Hills 457 Comment
  RSA191646  Rosa woodsii subsp. gratissima Robert F. Thorne, M. Z. Thorne 1966-8-29 36609 Los Angeles San Gabriel Mountains, Angeles National forest; Big Pines Recreation Area, on road from Big Pines to Valyermo 1860 Comment
  UCR65203  Rubus pensilvanicus Reid Moran 1941-3-7 685 Los Angeles Channel Islands, Santa Catalina Island, Middle Ranch 200 Comment
  RSA746633  Rubus ursinus R. G. Swinney 2008-4-10 8631 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Lodi Canyon, W of San Dimas Reservoir. 463 Comment
  UCR271237  Rubus ursinus R. G. Swinney 2011-5-12 14717 Los Angeles San Gabriel Mountains, along Cabin Canyon Creek near the confluence with Aliso Canyon 1195 Comment
  UCR174647  Rumex conglomeratus Jennifer H. Jones 2006-6-4 374 Los Angeles Transverse Ranges; Foothills of San Gabriel Mtns., SW of Claremont Wilderness Park near the W end of Pomello Drive. Dirt continuation of Pomello Drive across flood control channel. 476 Comment
  UCR274127  Rumex conglomeratus Steven A. Junak 1999-5-6 SCa- 884 Los Angeles Channel Islands, Santa Catalina Island, Parson's Landing, at west end of beach, mouth of canyon creek 3 Comment
  UCD101157  Rumex crispus Robert F. Thorne; M. Z. Thorne 1966-8-29 36607 Los Angeles San Gabriel Mts., Angeles National Forest: Big Pines Recreation Area, south of Jackson Lake on road from Big Pines to Valyermo. 1859 Comment
  SBBG1730  Rumex hymenosepalus H. and M. Dearing 1939-4-14 3079 Los Angeles E of Little Rock Comment
  POM244917  Rumex salicifolius F. R. Fosberg 1931-4-29 S 4708 Los Angeles Santa Catalina Island. Mouth of Cottonwood Canyon. 3 Comment
  UCR189670  Rumex salicifolius R. G. Swinney 1998-7-6 6270 Los Angeles San Gabriel Mtns., near mouth of Mescal Canyon, 2.7 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1488 Comment
  CAS-BOT-BC433922  Rumex salicifolius Peter H. Raven; Henry J. Thompson 1959-9-6 14403 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Along Malibu Creek near its mouth 12 Comment
  POM19129  Rumex salicifolius P. A. Munz 1923-4-9 6679 Los Angeles San Clemente Island. Canyon 3 miles southeast of Casa Blanca. Comment
  POM2576  Rupertia physodes O. W. Robinson 1916-5-7 s.n Los Angeles Johnson's Pastures, near Claremont. Comment
  RSA127423  Ruppia maritima Peter H. Raven, Henry J. Thompson 1959-10-18 14656 Los Angeles Santa Monica Mtns, back of beach, near mouth of Topanga Creek 2 Comment
  UCR200137  Sagina apetala Valerie Soza, Steve Boyd 2000-4-26 796 Los Angeles Verdugo Mountains, south side, Stough Canyon, Stough Park, above parking lot southwest of intersection of Walnut Avenue and Lockheed View Drive, west of De Bell Municipal Golf Course, southeast of Starlight Theater 366 Comment
  LA200847  Sairocarpus nuttallianus Jonathan Sauer; R. Brumbaugh 1973-4-28 5446 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, upper, Upper canyon. Comment
  SEINET7047938  Salazaria mexicana Steven R. Hill, Kate Kramer 2001-4-22 33395 Los Angeles South side of California Route 138 (Pearblossom Highway) just east of Palmdale and about 1 mile west of Little Rock; west side of Little Rock Wash. Elevation about 2820 feet. Comment
  POM295220  Salix Lyman D. Benson, Robert Benson 1951-6-21 14787 Los Angeles The Wash, Pomona College, Claremont. Pacific slope drainage area. 366 Comment
  SEINET6091476  Salix bonplandiana Unknown 1997-3-21 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  RSA762368  Salix exigua R. G. Swinney 2009-3-13 10106 Los Angeles Azusa, mouth of San Gabriel River Canyon, 0.8 mi. north of Foothill Blvd. on east side of main river channel 192 Comment
  SJSU254  Salix exigua Carl W. Sharsmith 1932-1-17 13 Los Angeles Lower Gabriel Canyon c. 9.5 km above Azusa 304 Comment
  UCR191203  Salix exigua R. G. Swinney 1999-6-30 7478 Los Angeles San Gabriel Mtns., Grand View Canyon, c. 1.3 mi. north of Big Pines Hwy at All Nations Camp 1561 Comment
  SBBG131555  Salix exigua S. A. Junak 1999-7-16 SCa 1051 Los Angeles lower Cottonwood Cyn, just downstream from crossing of rd to Ben Weston Beach 27 Comment
  UC506476  Salix exigua var. hindsiana Carl Hedin and Joseph Ewan 1932-4-22 7636 Los Angeles 4 hectometers e of Radford Dr. Los Angeles R.; San Fernando Valley Comment
  POM50189  Salix laevigata A. D. E. Elmer 1902-06 3673 Los Angeles Lancaster. Comment
  RSA0085337  Salix laevigata R. G. Swinney 2010-4-1 12169 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  UC1135108  Salix laevigata Jerome S. Horton 1937-4-26 434 Los Angeles Tanbark Flats San Dimas Experimental Forest, Pomona Quad., Tanbark Flats Comment
  CHSC95343  Salix lasiolepis LeRoy Gross 2002-3-7 490 Los Angeles Los Angeles Basin; Verdugo Mountains Region: North side; Off La Tuna Canyon Road, Santa Monica Mountains Conservancy Land. south of 210 Freeway. Side canyon off of La Tuna Canyon. 579 Comment
  RSA616065  Salix lasiolepis Scott D. White 1997-12-31 6037 Los Angeles Malibu Coast: Mouth of Trancas Canyon, N of Pacific Coast Hwy. 8 Comment
  UC5056  Salix lasiolepis W. H. Brewer 1860-12-23 87 Los Angeles Los Angeles Sierra Santa Monica Comment
  CAS-BOT-BC128516  Salix lasiolepis var. lasiolepis F. R. Fosberg 1932-3-3 7410 Los Angeles Santa Monica Mountains - Agoura (Picture City) Comment
  CDA20797  Salsola australis B. Villegas 2002-8-21 B 247 -1 Los Angeles Los Angeles Basin; Calabasas, near Ventura Co. line. 0 Comment
  CDA32774  Salsola australis M. O'Brien 2010-9-1 MOB 10 -04 Los Angeles South Coast; Intersection of Echo Park Ave. and Landa St., Los Angeles. 192 Comment
  RSA618765  Saltugilia australis L. C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mountains: North of Mill Canyon off Soledad Canyon near Ravennna. 716 Comment
  UC1595363  Saltugilia splendens subsp. splendens Tim Ross and Steve Boyd 1990-6-18 3455 Los Angeles northerly draw draining to Jackson Lake (Camp Verdugo Pines and vicinity); San Gabriel Mtns., Mescal Creek Quad., Camp Verdugo Pines 1877 Comment
  RSA424344  Salvia apiana William Emboden 1970-6-12 14 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  RSA491792  Salvia apiana James L. Reveal 1988-5-17 6779 Los Angeles Along the Green Valley Road at the mouth of Spunky Creek just north of Bouquet Reservoir, 1.7 mile west off the Bouquet Canyon Road between Palmdale and Saugus. 945 Comment
  RSA660106  Salvia apiana Orlando Mistretta 1992-6-12 567 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  JEPS62536  Salvia apiana Frank W. Peirson 1918-6-28 180 Los Angeles Mt. Lowe foothills Mt. Lowe Comment
  RSA411299  Salvia apiana Howard Mullins 1931-4-19 s.n. Los Angeles Hillside chaparral, Flintridge Comment
  RSA0081520  Salvia carduacea R. G. Swinney 2010-5-12 12763 Los Angeles 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
  RSA0110784  Salvia columbariae Richard G. Swinney 2010-5-21 12901 Los Angeles San Gabriel Mountains: unnamed ridgetop (summit 4322 ft), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. Angeles Forest Hwy. and Mt. Emma Rd. 1299 Comment
  SFV3210  Salvia columbariae K. A. Wilson 1961-2-8 840 Los Angeles San Gabriel Mountains Route 6, about 7 miles north of Forest Park. 745 Comment
  UC25706  Salvia columbariae J. Burtt Davy May 9 1896-May 24 1896 2662 Los Angeles between Gorman's and Manzana (Antelope Valley); Antelope Valley Comment
  UCR276933  Salvia columbariae R. G. Swinney 2010-5-21 12901 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
  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
  UCR186889  Salvia dorrii A. C. Sanders 2006-4-14 32059 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
  CAS-BOT-BC214321  Salvia dorrii var. pilosa A. D. E. Elmer 1902-6-1 3696 Los Angeles Vincent Comment
  CAS-BOT-BC224951  Salvia dorrii var. pilosa David Dreyer 1968-4-6 s.n. Los Angeles North edge of San Gabriel Mts. 1615 Comment
  UC1928585  Salvia dorrii var. pilosa Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 05050 41 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
  CAS-BOT-BC233668  Salvia leucophylla Louis C. Wheeler 1932-5-17 715 Los Angeles Garapito Creek, Santa Monica Mountains 304 Comment
  CAS-BOT-BC233694  Salvia leucophylla Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills Comment
  CAS-BOT-BC233316  Salvia mellifera A. D. E. Elmer 1902-6-1 3684 Los Angeles Acton, Mt. Gleason Comment
  UCD125590  Salvia mellifera P. B. Kennedy 1928-3-1 s.n. Los Angeles canyon above golf-links, Avalon, Santa Catalina. Comment
  RSA477552  Sambucus mexicana Mildred R. Solomen 1931-06 s.n. Los Angeles Griffith Park. Comment
  RSA544557  Sambucus mexicana T. S. Ross, Elizabeth Kellogg 1992-4-11 6109 Los Angeles San Clemente Island: West fork of China Canyon. E or NE-facing base of canyon wall. 305 Comment
  RSA660903  Sambucus mexicana Ann Williams 1992-5-14 1 -92 Los Angeles End of Oceanview Ave., .3 mi. N of Mar Vista St. Whittier. 152 Comment
  UC1125333  Sambucus mexicana A. D. Gifford 1935-3-15 464 Los Angeles 2 1/4 mi wsw Red Mountain; Angeles National Forest, Tejon Quadrangle Comment
  UC1595289  Sambucus mexicana Tim Ross 1991-3-10 4220 Los Angeles Bernard Field Station Claremont, Bernard Field Station (e side of RSA, vicinity of Phake Lake, marked as Pit on topo map) 391 Comment
  UCR209947  Sambucus mexicana R. G. Swinney 2008-7-15 9222 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  CAS-BOT-BC238730  Sambucus nigra subsp. caerulea Le Roy Abrams; E. A. McGregor 1908-6-11 193 Los Angeles Piru Creek, between Mutau Flat and Lockwood Valley Comment
  UCR271986  Sambucus nigra subsp. caerulea R. G. Swinney 2011-5-31 14912 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  PASA1818  Sanicula Ruth M. Evans 1931-3-15 Los Angeles Lone Hill, Glendora Comment
  SBBG61414  Sanicula arguta M. N. Ackley -Mar-1927 1118 Los Angeles Baldwin Hills 91 Comment
  UC1605192  Sanicula graveolens Tim Ross, Orlando Mistretta, Alex Quici 1990-6-27 3888 Los Angeles between Cow Spring Canyon and Horse Camp Canyon (Liebre Mountain); Liebre Mountain 1338 Comment
  RSA653339  Santolina chamaecyparissus Kelly Middleton, David Middleton 1988-5-8 39 Los Angeles [San Gabriel Mountains] Glendora Ridge Road, 5.7 miles west of Mt. Baldy Road intersection 1220 Comment
  RSA506188  Satureja mimuloides Louis C. Wheeler 1967-8-1 10225 Los Angeles San Gabriel Mountains, Angeles National Forest, Middle Fork of Mill Creek. 1220 Comment
  UCR142711  Satureja mimuloides Ian Swift 2001-11-4 354 Los Angeles Transverse Ranges; San Gabriel Mountains, Lower Moody Canyon 1073 Comment
  RSA716473  Schedonorus pratensis Scott D. White, Andrea Warniment 2006-7-7 11611 Los Angeles Gorman area, Gorman creek NE of the I-5 Freeway. SE Tehachapi Mts. 1037 Comment
  CDA4986  Schinus molle T. S. Ross, Annette Ross 1991-3-7 4133 Los Angeles Coastal Plains and Basins; San Bernardino Basin region; Elephant Hill: western Pomona. T1S R9W, W 2/3 S1/2 sec. 26 (projected); San Dimas USGS 7.5 quadrangle. Elev. 780 ft. Comment
  CHSC95482  Schinus molle LeRoy Gross; Valerie Soza, Samantha Tessel 2001-6-4 409 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Northwest side, Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane off of Newhome Ave. in city of Sunland. 427 Comment
  RSA252938  Schismus arabicus R. F. Thorne, G. Wallace 1973-4-24 43411 Los Angeles Junction of Pallett Creek and Longview Roads: ca. 4 mi S of Pearblossom 1174 Comment
  RSA588160  Schismus arabicus Orlando Mistretta 1994-5-23 1247 Los Angeles San Gabriel Mountains: Little Rock creek. Forest Road 4N15. 1250 Comment
  RSA0107230  Schismus arabicus Steven A. Junak 1998-3-22 SCa- 502 Los Angeles Santa Ana Island. Avalon Canyon, along W side of Avalon Canyon Road, just N of entrance to Wrigley Memorial Botanical Garden. 107 Comment
  RSA632019  Schismus barbatus L. C. Wheeler 1973-4-8 s.n. Los Angeles San Gabriel Mountains: Little Tujunga Canyon. 426 Comment
  RSA728780  Schismus barbatus Gary D. Wallace 1979-4-19 1690 Los Angeles Mojave Desert, w. of Fairmont along Lancaster Rd. Comment
  UCR276906  Schismus barbatus R. G. Swinney 2011-3-29 14247 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
  RSA366002  Schoenoplectus californicus Georgie Cook, Thelma Ashley 1926-07 s.n. Los Angeles Gardena. Comment
  RSA60718  Schoenoplectus maritimus Frank W. Gould 1944-4-12 2280 Los Angeles Western Avenue at 131st Street, south of Los Angeles. Comment
  RSA188177  Scirpus microcarpus Robert F. Thorne 1966-4-5 35809 Los Angeles Santa Catalina Island: Middle Ranch Canyon below Stage Station SW of Eagles Nest 76 Comment
  UCR128158  Scrophularia californica Mark A. Elvin, Cathleen Weigand 2003-5-22 2900 Los Angeles Western Transverse Range; Santa Susana Mtns., crest of mountains at head of Salt Canyon, Newhall Ranch 915 Comment
  SD231335  Scutellaria mexicana Sula Vanderplank, LeRoy Gross & Steve Hoskinson. 2005-5-6 50506 116A Los Angeles Transverse Ranges; San Gabriel Mountains region; N side of the San Gabriel Mountains. Right at the North End of Bob's Gap. 1433 Comment
  RSA717224  Secale cereale Scott D. White, Pam DeVries 2006-5-10 11429 Los Angeles St Tehachapi: Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  UCR52835  Secale cereale B. Lennart Johnson 1966-1 s.n. Los Angeles Grown at University of California, Los Angeles 152 Comment
  SBBG13260  Selaginella bigelovii M. A. Piehl -Jun-1962 62390 Los Angeles cyn E of Thirst 304 Comment
  SBBG19200  Selaginella bigelovii M. A. Piehl 1963-12-7 631065 Los Angeles Pyramid Head 21 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
  RSA783541  Senecio douglasii J. D. Olmsted 1959-11-8 1076 Los Angeles Fish Fork between sixth and seventh falls. San Gabriel Mt. Range. 1280 Comment
  CHSC109699  Senecio flaccidus var. douglasii Mark Elvin; Anne Marie Ruff 1996-8-1 304 Los Angeles Transverse Ranges, San Gabriel Mountains regions: San Gabriel Mountains. Angeles National Forest. Glendora Ridge Road. N side of road W of 90 degree curve on road. Road mile 7.75. Comment
  POM305763  Senecio flaccidus var. douglasii Henry J. Ramsey, Henry J. Ramsey 1937-6-27 961 Los Angeles Sand Canyon, north of Pacoima reservoir Comment
  RSA444578  Senecio flaccidus var. douglasii B. Roy 1987-10-9 10- 9 -87/6 Los Angeles Bernard Field Station of the Claremont Colleges (Amherst and Foothill Blvd.), in the neck section (about where Rockford would bisect the station). 482 Comment
  SEINET4015256 Image available Senecio lyonii M. B. Dunkle 1939-1 7203 Los Angeles SE point, San Clemente Island. Comment
  UCR204200  Senecio lyonii Mark A. Elvin, Dylan Hannon, Gary Allan, Curtis Clark 1996-4-19 146 Los Angeles Channel Islands, San Clemente Island 9 Comment
  UCR86529  Senecio lyonii T. S. Ross, E. Kellogg 1992-4-13 6145 Los Angeles Channel Islands, NW part of San Clemente Island, terrace in vicinity of Darter 18 Comment
  POM243A  Senecio vulgaris I. M. Johnston 1917-2-10 s.n. Los Angeles Pomona Comment
  UC1870230  Senna artemisioides LeRoy Gross 2002-2-2 469 Los Angeles Los Angeles Basin; Verdugo Mountains Region: North side: Shaved off peak top with concrete foundation, just west of McGroarty Cross, (near Pasko Park) off of Verdugo Crestline Drive, east of Woodward Ave. (grown back and gone back to nature, but shown on 625 Comment
  CHSC102092  Setaria parviflora Michael Denslow 2003-11-8 1901 Los Angeles Coastal Plains and Basins; San Bernadino Basin region: Northeast corner of Cambridge and Arrow Hwy. in Claremont. UTM Zone 11; 3772247N 432980E. Growing out of crack in sidewalk Comment
  UC519735  Setaria parviflora Joseph Andorfer Ewan 1932-7-11 7470 Los Angeles Ingraham St. Los Angeles Comment
  CATA3260  Silene gallica Julie L. King 2017-2-20 58 Los Angeles Santa Catalina Island: Southeast of USC Wrigley; about 0.4 miles directly east of Million Gallon Tank 202 Comment
  JEPS50919  Silene gallica Frank W. Peirson 1919-5-14 420 Los Angeles Eaton Canyon San Gabriel Mountains, Eaton Canyon 731 Comment
  RSA534137  Silene gallica Timothy S. Ross 1991-5-17 5062 Los Angeles San Clemente Island: Lower Wilson Cove Canyon; bouldery, rocky draw SW of and above pier operations. 15 Comment
  SD124473  Silene gallica Barry A. Prigge 1986-3-19 6926 Los Angeles Santa Monica Mountains; 0.3 mile west of Mulholland Highway on Pacific Coast Highway. 29 Comment
  UC457217  Silene laciniata subsp. major Carl Epling 1931-5-9 Los Angeles Los Alisos Canyon , Los Alisos Canyon (Santa Monica Mountains) Comment
  UCR280675  Silene laciniata subsp. major R. G. Swinney 2014-5-21 16603 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  RSA0115407  Silene parishii R. G. Swinney 2010-9-23 13892 Los Angeles San Gabriel Mountains; summit of Middle Hawkins Peak on Hawkins Ridge. 2576 Comment
  RSA438851  Silene parishii F. R. Fosberg, J. A. Ewan 1931-8-12 S 5482 Los Angeles Summit Mt. Islip, San Gabriel Mountains. 2500 Comment
  RSA629690  Silene parishii Scott D. White, David E. Bramlet 1998-8-11 7049 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mile closed section of Highway 39 from ca. 1.6 mile W of junction Crystal Lake access road to junction Highway 2. 1707 Comment
  UCR193562  Silene verecunda R. G. Swinney 1999-6-28 7441 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, near old [abandoned] homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  UCR223656  Silene verecunda R. G. Swinney 2009-6-24 11253 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  RSA473574  Silybum marianum Robert Gustafson 1981-5-13 2213 Los Angeles Ballona Wetlands, area 1 Comment
  RSA626407  Simmondsia chinensis LeRoy Gross 1999-4-15 132 Los Angeles Verdugo mountains: North of the 210 freeway, east of Sunland exit, south of the city of Sunland. 579 Comment
  RSA749074  Sisymbrium altissimum R. G. Swinney 2005-8-11 8448 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  CHSC36044  Sisymbrium irio James Henrickson 1973-6-15 10681 Los Angeles City of Long Beach, along beach near Long Beach Arena. 3 Comment
  UC284766  Sisymbrium irio P. A. Munz 1923-3-10 6582 Los Angeles s of Santa Fe (Claremont); Claremont 350 Comment
  RSA0015826  Sisymbrium orientale Monica Rodriguez, Michelle Terrazino, Naomi Fraga 2013-7-23 2 Los Angeles Glendora Ridge Road 1288 Comment
  UCR139921  Sisymbrium orientale Scott D. White 1997-5-14 5133 Los Angeles Base of San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, SW of 210 Freeway, east of Hansen Dam and north of Wentworth Street 351 Comment
  CSUSB2252  Sisymbrium orientale Nadine Tolkan 1970-5-16 13 Los Angeles City of Los Angeles, corner of Manchester Blvd. and Sepulveda Blvd., in the parking lot of "Anthony's Red Vest" restaurant. Comment
  RSA188492  Sisyrinchium bellum Robert F. Thorne, John Olmsted 1965-8-26 35360 Los Angeles Angeles National Forest: along switchback below Guffy Camp on Blue Ridge 2470 Comment
  UCR95502  Sisyrinchium bellum L. C. Wheeler 1966-9-21 8910 Los Angeles San Gabriel Mtns., south fork of Big Rock Creek in the vicinity of Lily Spring 2378 Comment
  UCSB29301  Sisyrinchium bellum Blakley, E. 1959-4-5 Los Angeles From beach, bluff on the west side of Point Dune 15 Comment
  RSA0041742  Smilacina stellata Timothy S. Ross 1990-8-17 3176 Los Angeles San Gabriel Mountains: S side of Prairie Fork, in the vicinity of Columbine Spring. 2182 Comment
  LA200860  Solanum douglasii O. A. Plunkett; 1926-3-20 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  UC450805  Solanum douglasii Fay A. MacFadden 1931-3-18 6 E Los Angeles Verduga Hills, Tuna Canyon Tuna Canyon; Verduga Hills, Tuna Canyon Comment
  UCR106301  Solanum douglasii B. G. Pitzer 1996-5-5 2860 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
  RSA422435  Solanum douglasii Wm. Martin 1972-4-1 76 H371B Los Angeles Gold Creek, Little Tujunga. Comment
  RSA0042406  Solanum rostratum Chuck Brasch 2011-8-17 s.n. Los Angeles Private residence in Claremont, CA. No. Grand Ave. 470 Comment
  RSA579488  Solanum umbelliferum Tim S. Ross, Steve D. Boyd 1994-5-10 7718 Los Angeles Warm Springs Mountain: at the confluence of a blueline drainage NNE off the face of Warm Springs Mtn; ca 1250 m WNW from the canyon's effluence into Elizabeth Lake Canyon 668 Comment
  UC1125068  Solanum umbelliferum P. L. Johannsen 1934-1-24 238 Los Angeles Santa Susana Pass 457 Comment
  RSA428779  Solanum umbelliferum E. A. McGregor 1965-5-5 s.n. Los Angeles Pearblossom, Antelope Valley. Comment
  RSA25761  Solanum wallacei Carl B. Wolf 1941-6-25 10891 Los Angeles About 1 mile NE of the Wrigley Mausoleum at head of Avalon Valley; Santa Catalina Island. 122 Comment
  SBBG105473  Solanum wallacei F. R. Fosberg 1931-5-6 4812 Los Angeles Cape Cyn 200 Comment
  SBBG130580  Solanum wallacei S. A. Junak 2000-3-31 SCa 1147 Los Angeles above rd to White's Landing, ca. 0.3 mi from intersection with Airport Rd, just downslope from Airport Rd 411 Comment
  SEINET3162623  Solanum wallacei G. B. Grant, W. Wheeler 1904-1 sn Los Angeles Santa Catalina Island, Pacific Ocean, off southern California Comment
  NY820418  Solanum xanti M. H. Kinsey 1935-3-13 s.n. Los Angeles Bel Air Estates, Santa Monica Mts., W. Los Angeles Comment
  UCR92060  Solanum xanti Scott D. White 1995-2-7 2514 Los Angeles San Gabriel Mtns., Picnic area, Lopez Cyn. Rd. +-2 mi north of Foothill Boulevard 488 Comment
  SDSU11228  Solanum xanti Gerald Collier 1951-3-22 M 466 Los Angeles Faculty Hill about 1/4 mile west of UCLA Campus; along shady pathway. Comment
  UCR203112  Solidago californica R. G. Swinney 2001-8-27 8111 Los Angeles San Gabriel Mountains, Cortelyou Spring c. 0,5 mi east of the junction of Hwy 2 and Hwy 39, north side of Hwy 2 2073 Comment
  UCR182486  Solidago confinis R. G. Swinney 1997-7-22 5698 Los Angeles San Gabriel Mtns, Government Canyon, west of Wrightwood, 0.75 mi. west of San Bernardino Co. line at Hwy 2, Blue Ridge Mtn. area 2195 Comment
  SD69372  Solidago velutina subsp. californica Robert F. Thorne 1966-9-15 Los Angeles Santa Catalina Island; Middle Ranch, Middle Ranch Canyon. 214 Comment
  UC61706  Solidago velutina subsp. californica Geo. R. Hall Sept 1904 Los Angeles above Swartout Canyon (Southern California); San Antonio Mts. 2133 Comment
  UC557676  Sonchus asper Nell Murbarger 1936-3-1 78 Los Angeles slopes e side San Clemente Island Comment
  RSA477984  Spergula arvensis Ora M. Clark 1929-1-13 1469 Los Angeles Los Angeles Comment
  UCR94673  Spergularia bocconi A. C. Sanders, E. J. Lott 1993-5-6 13994 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
  RSA0097911  Spergularia bocconi F. R. Fosberg 1931-7-14 S 5405 Los Angeles Echo Lake, Santa Catalina Island. 350 Comment
  RSA526516  Spergularia bocconi Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-7 4255 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  UC557722  Spergularia macrotheca Nell Murbarger Mar 1936 65 Los Angeles San Clemente Island; e side, overhanging cliffs near spring Comment
  CLARK-A1528-5649  Spergularia villosa John C. Roos 1950-4-1 4719 Los Angeles 60 Comment
  SD3043  Sphaeralcea grossulariifolia Ruth B. Randall Apr 1920 Los Angeles Between Palmdale and Lancaster. Comment
  RSA0081387  Stachys albens R. G. Swinney 2010-8-26 13591 Los Angeles North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 720 Comment
  RSA82554  Stachys albens F. W. Peirson 1927-8-14 7840 Los Angeles Arroyo Seco south base of San Gabriel Mts. 549 Comment
  UC57021  Stachys albens Ernest Braunton 1902-6-24 492 Los Angeles Echo Park Comment
  UCD126009  Stachys bullata Daryl Koutnik; Vickie Dawes 1978-5-12 480 Los Angeles Arroyo Sequit along Mulholland Highway. 548 Comment
  UCR127062  Stanleya pinnata var. pinnata Mark A. Elvin 2003-4-9 2468 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, canyon north of SR 126 from 'Grapevine Mesa 335 Comment
  SD90492  Stebbinsoseris heterocarpa Robert F. Thorne 1966-4-16 36053 Los Angeles San Clemente Island; rocky slope above pebbly beach; 0.5 mile southsoutheast of Eel Point, southwest side of island. Comment
  RSA670205  Stellaria media Joseph M. Keefe 2001-3-16 31122 Los Angeles 50 meters west of dead end of Cresthaven Drive, 1 mile southeast of The Eagle Rock, Pasadena, CA 91105. 284 Comment
  SBBG88372  Stellaria media M. B. Dunkle 1929-3-17 2068 Los Angeles Black Jack Mtn Comment
  SDSU4480  Stellaria media A. H. Gallup 1949-2-21 317 Los Angeles Lasca. 152 Comment
  UCR238469  Stellaria media Orlando Mistretta, Christine Mistretta 2008-5-5 2652 Los Angeles Transverse Ranges; San Gabriel Mountains, Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon 628 Comment
  RSA478175  Stellaria media Ida Lou Sayler 1942-4-17 s.n. Los Angeles San Marino. Comment
  UCR210715  Stephanomeria cichoriacea R. G. Swinney 2008-10-22 9673 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
  UCR217703  Stephanomeria diegensis A. C. Sanders, Dan S. Cooper 2010-8-5 38556 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  RSA588687  Stephanomeria exigua subsp. coronaria Orlando Mistretta 1995-7-12 1906 Los Angeles San Gabriel Mountains. Little Rock Creek, Vincinity of Basin Campground. 1082 Comment
  UC284244  Stephanomeria exigua subsp. coronaria P. A. Munz 1923-8-31 7671 Los Angeles ridge s Swartout Valley; San Gabriel Mts. 2575 Comment
  CAS-BOT-BC375480  Stephanomeria exigua subsp. exigua L. R. Abrams 1900-8-1 857 Los Angeles Ballona Sand hills Comment
  LA204205  Stephanomeria pauciflora B. R. Lowe; 1954-5-14 Los Angeles San Gabriel Mountains, 0.5 mi E of Little Rock Palmdale Dam Comment
  RSA223714  Stephanomeria pauciflora E. C. Twisselmann 1970-9-8 17495 Los Angeles Antelope Valley, Highway 14 at Avenue A 732 Comment
  POM17590  Stephanomeria spinosa P. A. Munz 1923-8-31 7670 Los Angeles Blue Ridge, Swartout [Swarthout] Valley 2575 Comment
  SBBG67955  Stephanomeria virgata M. N. Ackley -Sep-1927 155 Los Angeles Eagle Rock 182 Comment
  SFV5276  Stephanomeria virgata W. A. Kelley 1967-6-5 s. n. Los Angeles San Gabriel Mountains Panamint Canyon, CA Highway 14. Comment
  RSA670939  Stephanomeria virgata subsp. virgata Joseph M. Keefe 2001-1-19 30907 -a Los Angeles Intersection of Upperton Avenue, Buena Vista Terrace and Nolden Strreet; pass in ridge between Eagle Rock Valley and York Valley (Highland Park); Los Angeles, California 90042. 256 Comment
  UCR177929  Stillingia linearifolia LeRoy Gross 2001-5-27 425 Los Angeles Los Angeles Basin region, Verdugo Mountains, no