Search Results — 2000 specimen records retrieved (1568 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229558  Abronia maritima Alice Eastwood 1917-7-20 6466 Los Angeles Santa Catalina Island Comment
  POM50494  Abronia maritima L. R. Abrams 1901-04 1194 Los Angeles Ballona Harbor Comment
  UC212913  Abronia maritima S. B. Parish 1918-6-5 11883 Los Angeles Sands of the seabeach Playa del Rey Comment
  UCR193447  Abronia pogonantha R. G. Swinney 1999-6-18 7282 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  UCR272715  Abronia umbellata M. B. Dunkle 1939-4-5 7266 Los Angeles Channel Islands, San Clemente Island, China Point 30 Comment
  RSA0025873  Abronia umbellata Robert F. Thorne, P. Everett 1965-6-23 34934 Los Angeles Santa Catalina Island: Ben Weston Beach, W side of island. Comment
  CAS-BOT-BC412581  Acanthoscyphus parishii var. parishii James L. Reveal; C. Rose Broome 1987-6-25 6576 Los Angeles San Gabriel Mountains, along the Angeles Crest Highway (California Highway 2) at milepost 66.8, 3.1 miles east of the junction of California Highway 39 and 3 miles southwest of Dawson Saddle 2346 Comment
  LA49822  Acer macrophyllum Carl Epling; Lincoln Ellison 1929-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  LA49828  Acer macrophyllum Carl Epling; April 1938 sn Los Angeles Santa Monica Mountains, Westwood, UCLA campus 121 Comment
  POM293344  Acer macrophyllum Lyman D. Benson 1945-6-5 11752 Los Angeles Cold Spring, 2.5 miles southwest of Camp Baldy on the Glendora Road. San Gabriel Mountains. Pacific Slope Drainage 1372 Comment
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Apr 7 2014
  SDSU318  Acer macrophyllum D. F Howe 1947-3-22 1514 Los Angeles topango canyon. about 3 miles from ocean. Comment
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May 22 2014
  UC284172  Acer macrophyllum P. A. Munz 1923-5-26 6833 Los Angeles Big Rock Creek San Gabriel Mts., Big Rock Creek 1920 Comment
  RSA0056532  Acer macrophyllum Orlando Mistretta 1992-5-16 13 Los Angeles Vicinity of Big Pines; head of Swarthout Valley; Mountain High Ski area, San Gabriel Mountains region. Comment
  RSA0084658  Acer negundo R. G. Swinney 2010-6-23 13328 Los Angeles Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin. 341 Comment
  RSA416198  Achillea millefolium var. californica Howard Mullins 1931-5-9 s.n. Los Angeles Santa Susana. 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
  SBBG29606  Achnatherum hymenoides K. K. Muller -Apr-1968 Los Angeles 2 mi W of Hi Vista on Ave G Comment
  SEINET13276729 Image available Achnatherum occidentale subsp. californicum R. G. Swinney 2011-1 15516 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), the middle elevation (& smallest) of three natural depressions at the north base of Strawberry Peak (Chilao Flat 7.5' Q.) 1170 Comment
  UC1133072  Achnatherum occidentale subsp. californicum H. S. Yates 1937-6-24 6598 Los Angeles near Lake Arrowhead; Angeles National Forest, Redlands Quadrangle Comment
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Jan 5 2012
  SEINET7072894  Achnatherum speciosum A. G. Vestal 1963-5-22 s.n. Los Angeles Outside Bobs Gap, Antelop Valley. Coordinate datum: WGS84/NAD83. (34? deg. 27' 16" North Latitude, -117? deg. 48' 43" West Longitude; UTM Zone 11, 425420mE, 3812643mN, Coordinate datum: NAD27.). Comment
  UCR153318  Achyrachaena mollis A. C. Sanders, T. B. Salvato 2005-4-26 29740 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
  LA47817  Acmispon argophyllus var. argophyllus T. Craig; 1927-6-8 402 Los Angeles Bear Canyon trail to Mt. San Antonio Comment
  SDSU4283  Acmispon argophyllus var. argophyllus R. M. Beauchamp 1967-1-27 110 Los Angeles San Clemente Island. Plentiful seedling in field east of Wilson Cove area. Comment
  LA33632  Acmispon glaber Peter H. Raven; 1959-4-4 13967 Los Angeles SANTA MONICA MOUNTAINS, E of Zuma Beach. 30 Comment
  UCR271660  Acmispon heermannii var. heermannii R. G. Swinney 2011-5-31 14928 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
  SD185217  Acmispon maritimus A. C. Sanders, Lee Jones 2005-4-8 29321 Los Angeles Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente. 2 Comment
  UCSB45214  Acmispon maritimus Batson, J. 1979-3-10 Los Angeles Near Highway 23, 1 miles north of its junction with Highway 1 near Malibu 152 Comment
  LA33638  Acmispon maritimus var. maritimus Henry J. Thompson; 1959-5-24 1989 Los Angeles Santa Monica Mountains, Tuna Canyon, 0.7 mi N of Coast Hwy 91 Comment
  CATA1985  Acmispon micranthus Steven A. Junak, Mark Hoefs, Sara Crockett 1997-3-27 353 Los Angeles Santa Catalina Island: Upper part of Cape Canyon drainage, ca. 0.65 miles SW of Black Jack Peak 396 Comment
  SBBG32081  Acmispon strigosus R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -198 Los Angeles Middle Bullrush Cyn, Salta Verde Comment
  SBBG3483  Acmispon strigosus H. and M. Dearing 1935-4-13 918 Los Angeles Bouquet Cyn Comment
  UCSB3217  Acmispon strigosus Haller, John 1957-4-13 Los Angeles Upper Mint Canyon, ca. 5 road miles E of road to Acton and 10 road miles E of Angeles Forest Highway junction 914 Comment
  HSC87040  Acmispon wrangelianus A. C. Sanders, E. J. Lawlor 1988-4-3 7758 Los Angeles SW end of theTehachapi Mtns, l mi. NW of Gorman on a gasline rd, 0.4 mi. above old highway 1284 Comment
  CAS-BOT-BC29211  Acourtia microcephala Tim Ross; Steve Boyd 1994-6-22 8017 Los Angeles Warm SPrings Canyon, La Liebre Mtns, 0.5 road miles W of Lake Hugher Rd along Forest Service Rd 6N32 658 Comment
  JEPS98624  Acourtia microcephala Dean Kelch 1993-6-1 Los Angeles Temescal Canyon 120 Comment
  UC485226  Acourtia microcephala D. L. Crawford 1915-7-14 555 Los Angeles mts above Claremont; Southern California Comment
  CAS-BOT-BC133182  Adenostoma fasciculatum Marcus E. Jones 1926-5-20 s.n. Los Angeles Mountains near Claremont, San Gabriel Mts. Comment
  LA25890  Adenostoma fasciculatum Judith Webb; 1955-4-2 sn Los Angeles Santa Monica Mountains, fireroad below Mount Saint Mary's College 243 Comment
  SEINET6190166  Adenostoma fasciculatum J. H. Barber 1897-1 194 Los Angeles Aliso Canyon Comment
  POM250499  Adiantum jordanii I. W. Clokey, E. G. Anderson 1935-5-9 6505 Los Angeles San Dimas Canyon Comment
  RSA0025904  Adiantum jordanii Justin M. Wood 2012-3-20 4639 Los Angeles San Jose Hills: Walnut Creek Canyon, +/- 0.5 mi NW of Puddingstone Reservoir, +/- 0.25 mi E of SR-57, just north of San Dimas Ave. and just S. of Cliffside Dr. 229 Comment
  SBBG20555  Adiantum jordanii E. R. Blakley 1963-12-8 6390 Los Angeles cyn head above Mosquito Cove and between Triangulation Pts Malo and Chenity 274 Comment
  UCR88665  Adiantum jordanii Scott D. White, Chet McGaugh 1995-5-9 2988 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
  POM872  Adiantum jordanii M. M. Culter 1916-3-23 s.n. Los Angeles South Hills- Pomona Comment
  RSA748836  Aesculus californica Justin M. Wood 2009-4-13 478 Los Angeles Foothills above the city of Sierra Madre, one carter estates at the end of Baldwin Ave. 49 Comment
  UCR151022  Ageratina adenophora Scott D. White 1997-5-7 5065 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
  RSA597277  Agoseris retrorsa Timothy S. Ross, Peter W. Fritsch, Steve Boyd, Orlando Mistretta 1990-6-22 3723 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon. 1939 Comment
  RSA228895  Agrostis exarata R. F. Thorne 1971-8-25 41305 Los Angeles San Gabriel Mountains, Angeles National Forest: At Windy Spring on N slope of Mt. Islip. 2256 Comment
  UC1595325  Agrostis exarata Tim Ross and Orlando Mistretta 1992-7-24 6771 Los Angeles vicinity Strawberry Spring (76 degrees ene, 900 m distant from Strawberry Peak summit); San Gabriel Mts. 1460 Comment
  UCR182762  Agrostis stolonifera R. G. Swinney 1997-7-23 5734 Los Angeles San Gabriel Mtns, upper Government Canyon, c. 2 miles west of Wrightwood, Blue Ridge Mtn. area 2378 Comment
  UCR125632  Agrostis viridis A. C. Sanders 2003-5-26 25862 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 171 Comment
  RSA596806  Ailanthus altissima Tim S. Ross, J. Mark Porter 1995-5-4 8505 Los Angeles Texas Canyon: at the confluence of Mystic Canyon: ca 3.05 road miles NE of Bouquet Canyon Road. 610 Comment
  RSA0056381  Albizia lophantha Jack Pepper 1953-2-11 s.n. Los Angeles San Fernando Valley. Comment
  POM1638  Allium burlewii I. M. Johnston 1917-7-4 1484 Los Angeles head of San Antonio Canyon. 2439 Comment
  RSA643148  Allium burlewii Orlando Mistretta 1993-6-24 884 Los Angeles San Gabriel Mountains: Devils Backbone Ridge. [Near Mt Harwood] 2529 Comment
  RSA230704  Allium campanulatum Robert F. Thorne, M. Z. Thorne 1969-7-9 38519 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Pines. 2073 Comment
  UCR190772  Allium fimbriatum R. G. Swinney 2001-5-18 7932 Los Angeles San Gabriel Mtns./Mojave Desert, Largo Vista area, c. 1/2 mile east of Largo Vista Rd. at a point 3.56 mi. south of Hwy 138 1284 Comment
  RSA725089  Allium fimbriatum var. fimbriatum Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -3 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. 1444 Comment
  SBBG127054  Allium fimbriatum var. mohavense A. Parikh, N. Gale 2011-6-7 3425 Los Angeles Sierra Pelona, Portal Ridge, 2 km W of Godde Hill Rd, 0.4 km S of California Aqueduct; E Liebre Mtns 1011 Comment
  CLARK-A1528-7758  Allium monticola John C. Roos 1937-7-16 636 Los Angeles San Gabriel Mountains Comment
  RSA308938  Allium peninsulare var. peninsulare Samuel R. Tyson 1944-6-20 691 Los Angeles from west end of 4100 down to Saddle of road. San Dimas Experimental Forest Comment
  RSA367123  Allium praecox George B. Grant, Walter Wheeler 1904-4-23 s.n. Los Angeles Santa Catalina Island. Comment
  RSA547462  Allophyllum divaricatum T. S. Ross, Orlando Mistretta 1992-7-24 6753 Los Angeles E side of Strawberry Peak near divide between Colby and Wickiup Canyons; 120 deg. SE, 1065 m distant from Strawberry Peak summit. 1561 Comment
  SEINET14440185  Allophyllum glutinosum J. H. Barber 1898-8-3 s.n. Los Angeles Topango [Topanga]. Comment
  UCR277152  Allophyllum glutinosum R. G. Swinney 2011-6-15 15199 Los Angeles San Gabriel Mountains, SW of Chilao Flat near south entrance at Angeles Crest Hwy, along Silver Moccosin Trail 1622 Comment
  CAS-BOT-BC170973  Alnus rhombifolia Joseph Andorfer Ewan; Nesta Ewan 1936-8-2 9887 Los Angeles 1 mi below head of Cedar Canyon off Mescal Canyon. San Gabriel Mts. Comment
  RSA452783  Alnus rhombifolia Ora M. Clark 1929-2-3 1508 Los Angeles Topango [Topanga] Canyon Comment
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May 29 2014
  UCR126630  Alnus rhombifolia A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27143 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  UC56561  Amaranthus albus Ernest Braunton Oct 1902 722 Los Angeles Vernon Los Angeles Comment
  UCR277085  Amaranthus albus R. G. Swinney 2010-10-5 13980 Los Angeles San Gabriel Mountains, east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons 549 Comment
  CDA3267  Amaranthus albus Phillipson 1915-9-12 Los Angeles Monrovia. Comment
  UCR119817  Amaranthus blitum subsp. emarginatus A. C. Sanders 2002-1-10 24891 Los Angeles Weed in potted plant purchased at The Farm Store, Cal Poly Pomona Comment
  RSA641440  Amaranthus hybridus L. C. Wheeler 1967-7-11 10000 Los Angeles San Gabriel Mountains: Littel Tujunga Canyon at Marek Canyon. Comment
  RSA611924  Amaranthus palmeri L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  RSA609110  Amaranthus retroflexus L. C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mountains: Head of Los Pinetos Canyon. 1097 Comment
  CATA242  Amblyopappus pusillus Mark L. Hoefs, A. Douglas Propst 1973-5-4 239 Los Angeles Santa Catalina Island: Indian Head Point 60 Comment
  SBBG31401  Amblyopappus pusillus R. F. Thorne 1966-4-7 35982 Los Angeles above beach near Parson Landing, W of Arrow Pt 4 Comment
  SBBG31537  Amblyopappus pusillus R. M. Beauchamp 1967-3-17 250 Los Angeles E of Wilson Cove Comment
  SBBG96843  Amblyopappus pusillus S. Boyd with T. Ross, L. Arnseth 1990-4-7 4221 Los Angeles lower part of China Cyn Comment
  SBBG98676  Amblyopappus pusillus T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5091 Los Angeles coastal terrace at West Cove, SW of new landing field 6 Comment
  JEPS19961  Ambrosia acanthicarpa Frank W. Peirson 1918-10-16 271 Los Angeles in Pacoima Canyon 518 Comment
  UCR259548  Ambrosia acanthicarpa R. G. Swinney 2010-10-15 14064 Los Angeles San Gabriel Mountains, from Little Tujunga Wash at the I-210 Fwy, to the east end of Hansen Lake 329 Comment
  RSA592226  Ambrosia acanthicarpa L. C. Wheeler 1967-4-30 9236 Los Angeles San Gabriel Mountains. Limekiln Canyon. 549 Comment
  UC557659  Ambrosia chamissonis Nell Murbarger 1936-5-1 207 Los Angeles San Clemente Island Comment
  UCR123361  Ambrosia psilostachya A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25475 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals 335 Comment
  PASA826  Ambrosia psilostachya var. californica Sally Ellis 1939-10-2 Los Angeles Claremont Comment
  UCR197788  Ambrosia salsola Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 82 Los Angeles Transverse Ranges; San Gabriel Mountains, south edge of Bob's Gap, on slopes and roadside, and down in the wash 1433 Comment
  RSA607674  Ammannia robusta Louis C. Wheeler 1951-8-20 6834 Los Angeles Pasadena: Devils Gate Dam. Comment
  POM1906  Amorpha californica var. californica O. W. Robinson 1916-4-7 s.n. Los Angeles Mtns above Claremont. (Johnson's Pasture) Comment
  RSA177944  Amorpha californica var. californica Joseph A. Ewan 1931-5-16 4212 Los Angeles Dry Canyon above Calabasas, Santa Monica Mountains 304 Comment
  RSA415275  Amorpha californica var. californica Robert L. Dressler 1949-6-19 893 Los Angeles Johnstone Peak, San Gabriel Mountains. 854 Comment
  RSA0079965  Amsinckia intermedia L. R. Abrams 1901-4-1 1233 Los Angeles Ballona Harbor. Comment
  RSA0089645  Amsinckia intermedia T. S. Ross 1991-4-8 4456 Los Angeles Elephant Hill: western Pomona. On the southwesterly ridge. 303 Comment
  RSA499945  Amsinckia intermedia M. B. Dunkle 1939-4-6 7294 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  SFV12031  Amsinckia intermedia D. L. Koutnik 1978-3-7 s. n. Los Angeles San Fernando Valley Los Angeles, Northridge. Field at northeast corner of Balboa and Parthenia. 249 Comment
  POM368399  Amsinckia menziesii var. menziesii L. C. Wheeler 1934-3-31 2495 Los Angeles La Verne. 305 Comment
  UC284965  Amsinckia spectabilis var. spectabilis P. A. Munz 1923-4-11 6771 Los Angeles shore of w coast San Clemente Island Comment
  SD234333  Amsinckia tessellata A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26120 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, E of and above Lake Hughes Rd;, near Castaic Lake dam (Warm Springs Mtn 7.5'Q) 487 Comment
  RSA525313  Amsinckia tessellata W. Wisura 1991-4-27 4470 Los Angeles Along Lancaster Road, NW of Munz Ranch Road. Antelope Valley. Comment
  RSA713736  Amsinckia tessellata var. tessellata LeRoy Gross 2005-4-28 2158 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
  RSA711440  Amsinckia tessellata var. tessellata LeRoy Gross 2005-5-19 2305 Los Angeles South of Ave A (Kern County boundary) east of the #14 freeway. South of the city of Rosamond. between 20th Street West and Sierra Highway., Started at Ave A, Near 34.820450N, 118.16535W then walked south to 34.81703N, 118.16403W. 715 Comment
  UCR220203  Anagallis arvensis R. G. Swinney 2009-4-3 10276 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte/Azusa border, San Gabriel Canyon wash, east side of channel 1.2 miles north of Foothill Blvd. 183 Comment
  UCR186883  Androsace elongata subsp. acuta A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32037 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
  CAS-BOT-BC64017  Anisocoma acaulis L. R. Abrams 1927-4-30 11730 Los Angeles Head of Antelope Valley Comment
  CAS-BOT-BC59209  Antennaria dimorpha LeRoy Abrams 1902-7-11 2683 Los Angeles Coldwater Canyon Comment
  UCR124629  Anthemis cotula B. C. Templeton, I. W. Clokey 1936-5-18 5663 Los Angeles San Gabriel Valley; San Jose Hills, Puddingstone Dam 305 Comment
  UCR231789  Anthemis cotula Darren T. Hasegawa 2007-6-1 s.n. Los Angeles San Gabriel Mtns., Pasadena, Devils Gate Reservoir, c. 0.5 mi. east of 210 Fwy 320 Comment
  LA200151  Anthemis cotula Jonathan Sauer; D. Luksik 1978-5-27 6036 Los Angeles Santa Monica Mountains, Topanga Canyon State Park, Chamise area Comment
  RSA425784  Antirrhinum coulterianum L. E. Hoffman 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles National Forest. Comment
  RSA725897  Antirrhinum multiflorum Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2927 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. 915 Comment
  RSA250648  Aphanes occidentalis Robert F. Thorne 1971-4-2 41417 Los Angeles Johnson's Pasture's, N. of Mountain Avenue, Claremont. 549 Comment
  LA32236  Apiastrum angustifolium Peter H. Raven; 1959-5-3 14077 Los Angeles SANTA MONICA MOUNTAINS, 0.6 mi E of Coldwater Canyon on Mulholland Drive. 365 Comment
  RSA37398  Apiastrum angustifolium F. W. Peirson 1919-5-18 133 Los Angeles Hills east of Monrovia Canyon 457 Comment
  POM156719  Apocynum cannabinum L. R. Abrams 1902-7-12 2709 Los Angeles Coldwater Canyon, San Antonio Mountains Comment
  RSA403094  Apocynum cannabinum Anstruther Davidson 1902-5-1 1098 Los Angeles Riveria Comment
Read comments
Sep 11 2007
  UCR124666  Aquilegia formosa B. C. Templeton 1933-7-21 5042 Los Angeles San Gabriel Mountains, Prairie Forks 1905 Comment
  RSA0126407  Arabis glabra Edwin Kline 1925-4-12 s.n. Los Angeles Mulholland Estate; Santa Monica Mtns. Comment
  UC10123  Arabis glabra State Survey 1862-5-3 572 Los Angeles San Antonio River Comment
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Jan 20 2011
  UCR258521  Aralia californica R. G. Swinney 2010-8-9 13477 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, Camp Sturtevant 1049 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
  UCR209649  Arceuthobium californicum R. G. Swinney 2008-7-2 9114 Los Angeles San Gabriel Mtns., Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy 2000 Comment
  RSA188067  Arctostaphylos catalinae R. F. Thorne 1966-4-29 36318 Los Angeles Santa Catalina Island: below road to White's Landing above turn-off to Echo Lake. 411 Comment
  SBBG127967  Arctostaphylos catalinae B. E. Carter, J. R. Clark 2012-8-9 6964 Los Angeles Bulrush Cyn, below Salta Verde turnoff 255 Comment
  UCR270893  Arctostaphylos glandulosa subsp. glandulosa R. G. Swinney 2011-6-14 15134 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  SBBG121239  Arctostaphylos glandulosa subsp. mollis V. Soza, I. Anderson, L. Gross 2000-6-6 990 Los Angeles Verdugo Motorway, E of jct w/ Stough Cyn Motorway, above Stough and Wildwood cyns, W side of PK "2642" 762 Comment
  RSA0055758  Arctostaphylos glauca R. G. Swinney 2010-5-19 12809 Los Angeles San Gabriel Mountains/Western Mojave Desert: Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd. just west of Angeles Natl. forest boundary, 2.05 air miles due east of Angeles Forest Hwy., 0.8 miles due west of, Mt. Emma Rd. 1335 Comment
  RSA631486  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15979 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA739717  Arctostaphylos glauca John Dittes 2006-1-3 1313 Los Angeles Transverse Ranges, San Gabriels Mtns, Upper Big Tujunga Canyon, 6.8 air miles SE of Mill Creek summit, 1.7 air miles W of Vetter Mtn, 1.8 air mile NE of intersection of Upper Big Tujunga Canyon road and Angeles Crest Hwy (Hwy2),, N side of upper Big Tujunga Canyon road. 1113 Comment
  RSA634334  Arctostaphylos parryana subsp. parryana Jon E. Keeley 1992-10-15 22131 Los Angeles Campground below Mt. Baldy ski lift, San Gabriel Mtns. 1880 Comment
  RSA634353  Arctostaphylos parryana subsp. parryana Jon E. Keeley, Melanie Baer-Keeley 1992-10-10 22011 Los Angeles Pinyon Flats, San Gabriel Mountains. 1635 Comment
  RSA634699  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20305 Los Angeles Road to Mt. Gleason, 3.7 km west of Mill Creek Summit, San Gabriel Mtns. 1665 Comment
  RSA634716  Arctostaphylos parryana subsp. tumescens John Crandell, Jon E. Keeley 1992-4-5 15048 Los Angeles Mill Creek Summit, Angeles Forest Highway. 1480 Comment
  RSA634839  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20460 Los Angeles S of Sulphur Springs Cpgrd, N of Angeles Crest Hwy, San Gabriel Mtns. 1700 Comment
  RSA635156  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20280 Los Angeles Angeles Forest Hwy., 1.7 km N of Mill Creek Summit. San Gabriel Mtns. 1385 Comment
  JEPS42612  Arctostaphylos patula Frank W. Peirson 1918-6-17 143 Los Angeles summit North Baldy; San Gabriel Mts. Comment
  RSA522335  Arctostaphylos patula T. S. Ross 1990-7-10 4027 Los Angeles San Gabriel Mountains: NE of Tie Summit Station and E of Angeles Forest Highway, Tujunga Ranger District. Westerly drainage that meets Tie Canyon. 1524 Comment
  RSA635227  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20671 Los Angeles Angeles Crest Hwy., Dawson Saddle. San Gabriel Mtns. 2410 Comment
  RSA635234  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20669 Los Angeles Angeles Crest Hwy., Dawson Saddle. San Gabriel Mtns. 2410 Comment
  UCR190114  Arctostaphylos patula R. G. Swinney 1998-8-27 6787 Los Angeles San Gabriel Mtns., ridge due north of Big Horn Ridge and south of San Antonio Ridge, 7625 ft. high spot on ridge above Coldwater Canyon 2325 Comment
  UCR193591  Arctostaphylos patula R. G. Swinney 1999-8-9 7603 Los Angeles San Gabriel Mtns., Big Horn Ridge, c. 1.5 mi SW of West Baldy peak of Mt. San Antonio 2402 Comment
  RSA660416  Argemone munita Orlando Mistretta 1992-5-21 387 Los Angeles Right Star Mine, S of Acton. Comment
  UCSB18391  Argemone munita Ensign, Judy 1963-5-3 Los Angeles Mint Canyon Campground, U.S. Highway 6, 7.7 miles N of intersection of Soledad Canyon Road 609 Comment
  HSC16734  Argemone munita subsp. munita C. E. Fellows 1965-9-7 144 Los Angeles 1 mi. up Angeles Crest Hwy. from Red Box Station Comment
  SD240836  Argyranthemum foeniculaceum R. E> Riefner Jr. 2011-8-19 11 103 Los Angeles Palos Verdes Peninsula, Malaga Cove, north ca. 0.2 mile from Paseo del Mar St at Palos Verdes Drive West. 89 Comment
  CAS-BOT-BC137668  Aristida adscensionis L. R. Abrams; I. L. Wiggins 1931-7-6 364 Los Angeles San Clemente Island. Vicinity of Mosquito Harbor. Comment
  SEINET7595529 Image available Aristida adscensionis H. E. Hasse 1890-1 46045 Los Angeles Sierra Madre Comment
  RSA661184  Aristida purpurea var. parishii LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 400 Los Angeles Vedugo Mountains Region: Northwest side, just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek. City of Sun Valley. 366 Comment
  UCR212748  Artemisia douglasiana Ellen Mackey, Blake Whittington 2006-10-11 NFWF- 1785 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Watershed, [San Dimas Canyon, north of San Dimas Reservoir]. First road intersection beyond the ranger station, near house site. 463 Comment
  CAS-BOT-BC93830  Artemisia dracunculus Ernest Braunton 1902-6-8 437 Los Angeles Ballona Comment
  IRVC28670  Artemisia dracunculus A. C. Sanders, Mark Elvin 2002-6-18 25109 Los Angeles Newhall Ranch, farm area in valley along a wash, 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park NE end of Santa Susana Mtns. 328 Comment
  RSA795227  Artemisia dracunculus Jane Tirrell 2012-8-31 LS 0170 Los Angeles South side of California State Route 2 in culvert at mile marker 66.43, approx. 1.5 mi east of Islip Saddle. 2224 Comment
  POM19004  Artemisia ludoviciana subsp. incompta Philip A. Munz 1923-9-1 7713 Los Angeles Swartout Valley, San Gabriel Mts. Narrow north-facing canyon at old sawmill. 2042 Comment
  UC1119420  Artemisia tridentata subsp. parishii H. A. Jensen 1934-6-1 380 Los Angeles n Pinyon Ridge; Angeles National Forest, Rock Creek Quadrangle Comment
  RSA246582  Arthrocnemum subterminale F. R. Fosberg 1931-5-17 S 4886 Los Angeles Little Harbor, Santa Catalina Island. 1 Comment
  SBBG12204  Arthrocnemum subterminale P. H. Raven 1962-7-12 Los Angeles just W of North Head 6 Comment
  UCR223532  Asclepias eriocarpa R. G. Swinney 2009-5-28 10912 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  SJSU13466  Asclepias fascicularis C. W. Sharsmith 1940-8-29 4229 Los Angeles head of Eaton Canyon, San Gabriel Mts 1371 Comment
  SBBG16837  Asclepias fascicularis M. Vincent 1962-7-10 273 Los Angeles Dry Cyn 0.5 mi W of Old Topanga Cyn Rd Comment
  SEINET10637013  Asclepias fascicularis Joseph Rothrock Rothrock 190 Los Angeles Lake Elizabeth 966 Comment
  SBBG113275  Asparagus asparagoides S. A. Junak with M. L. Hoefs 1997-6-4 SCa 409 Los Angeles small cove at W end of Empire Landing rock quarry site 6 Comment
  UCR229172  Asparagus officinalis Dan S. Cooper 2010-1 1210- 31 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  SBBG21965  Aspidotis californica P. H. Raven, R. F. Thorne 1964-5-7 18994 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs Comment
  UCR277826  Astragalus bicristatus B. C. Templeton 1932-5-31 4854 Los Angeles San Gabriel Mtns., West Blue Ridge, Big Pines Camp, Angeles National Forest 2195 Comment
  SEINET6042753  Astragalus didymocarpus Unknown Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  OBI2977  Astragalus douglasii var. douglasii Lewis S. Rose 1968-4-5 68019 Los Angeles 10 mi E of Gorman. Mojave Desert 853 Comment
  POM122284  Astragalus douglasii var. douglasii Marcus E. Jones 1924-9-10 s.n. Los Angeles San Gabriel Mountains: Swartout [Swarthout] valley Comment
  RSA226012  Astragalus douglasii var. douglasii R. F. Thorne, C. W. Tilforth 1971-6-29 40668 a Los Angeles San Gabriel Mountains, Angeles National Forest: near junction of Angeles Forest & Mt. Emma Roads 1128 Comment
  UC862692  Astragalus douglasii var. douglasii L. R. Abrams 1922-4-30 11726 Los Angeles head Antelope Valley Comment
  RSA615519  Astragalus gambelianus L. C. Wheeler 1967-5-18 9611 Los Angeles Angeles National Forest; Placerita Canyon. 518 Comment
  UCR184539  Astragalus gambelianus A. C. Sanders, T. B. Salvato 2007-4-24 33510 Los Angeles Tehachapi Mountains, hills above Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant 1082 Comment
  LA204995  Astragalus lentiginosus var. fremontii Carl Epling; May 1927 Los Angeles near summit, Ridge Route Comment
  RSA515093  Astragalus nevinii Aaron Liston, Orlando Mistretta, Loren Rieseberg 1989-4-29 802 -1 Los Angeles San Clemente Island: 3 miles west of Wilson Cove 121 Comment
  UCR65530  Astragalus nevinii Aaron Liston, Orlando Mistretta, L. Rieseberg 1989-4-29 801- 01 Los Angeles South Channel Islands, San Clemente Island, main dune area at Darter Road. NW part of island Comment
  RSA562304  Astragalus preussii var. laxiflorus D. Charlton 1992-5-21 s.n. Los Angeles Well fields water tower, Edwards AFB, off Boy Scout Road between south base and south gate 701 Comment
  RSA0034694  Astragalus preussii var. laxiflorus David Charlton 1992-5-13 s.n. Los Angeles 100 yards north of the South Base well fields water tower, Edwards AFB. 701 Comment
  RSA415688  Astragalus purshii var. tinctus Robert Gustafson 1978-6-1 995 Los Angeles Off dirt road leading into Hungry Valley, ca.4 mile west from the junction with the 2-lane paved Peace Valley Rd., west of Gorman. 1250 Comment
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Oct 29 2013
  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
  SBBG38922  Astragalus trichopodus var. lonchus E. R. Blakley 1963-4-7 5499 Los Angeles Little Harbor Comment
  CAS-BOT-BC194029  Astragalus trichopodus var. lonchus F. A. MacF. 1934-3-18 12488 Los Angeles Inglewood Comment
  CATA3044  Athysanus pusillus Amy Catalano 2016-3-22 053 Los Angeles Santa Catalina Island: North of end of first Old Hunting Road along Empire Landing Road between Airport Road and Sheep Chute Road, on east side of ridge 354 Comment
  RSA593014  Athysanus pusillus Steve Boyd 1996-4-25 8723 Los Angeles Liebre Mountains, western summit of Liebre Mountain, along Forest Service Road 7N23 ca 4 mile NE of jtn with 7N22, near the head of Cold Canyon. 1622 Comment
  RSA177735  Atriplex californica R. F. Thorne, P. Everett 1965-5-11 34572 Los Angeles Santa Catalina Island, N beach of Little Harbor. Comment
  LA211281  Atriplex californica Arthur C. Gibson; Tarja Sagar, Tony Valois 2007-9-6 5178 Los Angeles SANTA MONICA MOUNTAINS, Leo Carrillo State Beach Comment
  RSA233612  Atriplex californica R. F. Thorne 1970-3-6 39387 Los Angeles Santa Catalina Island. Above Cotton Canyon Beach. 8 Comment
  UCR145456  Atriplex canescens subsp. canescens L. C. Wheeler 1956-9-15 7240 Los Angeles San Gabriel Mtns., Caldwell Lake, a sag pond on the San Andreas Fault 1573 Comment
  CATA3377  Atriplex coulteri Peter J. Dixon 2016-5-12 053 Los Angeles Santa Catalina Island: Lower Coffeepot Canyon, 110 m east of red ridge rd. 530 m north of Pacific Ocean 200 Comment
  RSA739275  Atriplex glauca R. E. Riefner 2008-12-27 83 Los Angeles City of Malibu, ocean bluff W of El Matador State Park 3 Comment
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Dec 13 2012
  UC56074  Atriplex leucophylla J. H. Barber 1898-8-3 Los Angeles Santa Monica Beach Comment
  RSA478341  Atriplex pacifica F. R. Fosberg 1931-8-23 7290 Los Angeles San Pedro Hills Comment
  SEINET4136259  Atriplex semibaccata Timothy S. Ross, J. Mark Porter; Gery J. Allan; Vanessa Ashworth; Darin L. Banks; Megan Tommerup 1994-3-28 7438 Los Angeles Palso Verdes Peninsula: rancho Palos Verdes; southerly coastal bluffs ca 2260 m SE of Inspiration Point and 3160 m WNW of Whites Point; san Pedro 7.5' USGS quadrangle.; 0 12 Comment
  IRVC27445  Atriplex serenana var. serenana A. C. Sanders, Mark A. Elvin 2002-8-28 25598 Los Angeles Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusement park NE end of Santa Susana Mtns. 360 Comment
  SD53055  Atriplex watsonii Peter H. Raven 1962-7-10 17950 Los Angeles Near west shore of island due west of Wall 2. Comment
  RSA251428  Avena barbata R. F. Thorne 1966-4-17 36145 Los Angeles San Clemente Island: Near Lemon Tank S of Nanny, NE side of island. 305 Comment
  RSA385378  Avena barbata Freda Detmers 1929-4-14 s.n. Los Angeles Descanso Canyon, Santa Catalina Island. Comment
  UCD56190  Avena barbata Fay A. MacFadden 1935-3-6 s.n. Los Angeles Santa Monica Mts. Milholland Drive. Comment
  UCR223020  Avena barbata R. G. Swinney 2009-5-5 10626 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  RSA657023  Avena fatua Joseph M. Keefe 2001-1-19 30890 Los Angeles on 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, California 90042. 262 Comment
  UCR137143  Avena fatua Anstruther Davidson 1917-1 3217 Los Angeles Alvarado St.[crosses Wilshire Blvd. at Macarthur Park], Los Angeles 122 Comment
  RSA710386  Avena sativa LeRoy Gross 2005-5-3 2185 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. 1085 Comment
  CAS-BOT-BC145796  Axonopus compressus Grace Cole Fleischman 1954-11-2 s.n. Los Angeles Pasadena. 145 Annandale Road. Comment
  RSA607697  Azolla filiculoides Scott D. White 1997-11-5 6011 Los Angeles Malibu Coast: Mouth of Trancas Cyn., north of Pacific Coast Hwy. USGS Point Dume quad. 34 deg 2'N, 118 deg 50.5'W 7 Comment
  RSA694975  Azolla filiculoides Freda Detmers 1931-11-11 s.n. Los Angeles Griffith Park Comment
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May 14 2007
  RSA0000934  Baccharis malibuensis R. M. Beauchamp 1991-8-26 s.n. Los Angeles Santa Monica Mountains, Stokes Canyon. 213 Comment
  LA203018  Baccharis salicifolia M. Zaitlin; 1951-3-17 Los Angeles San Gabriel Mountains, Angeles Crest Highway S side 761 Comment
  LA91478  Baccharis salicifolia Bruce Douglas Clayton; Greg Clayton 1972-4-7 78 Los Angeles 472 Comment
  RSA279134  Baccharis salicifolia R. F. Thorne, D. Propst, Mark Hoefs 1974-9-12 45104 Los Angeles Santa Catalina Island. Cottonwood Canyon below Rancho Escondido. 107 Comment
  SFV14476  Baccharis salicifolia J. L. Reveal 1987-9-28 3896 Los Angeles San Fernando Valley Limekiln Canyon, north of Rinaldi. 366 Comment
  UCR209304  Baccharis salicifolia A. C. Sanders 2009-11-6 37226 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  SD186115  Bahiopsis laciniata A. C. Sanders 2003-3-14 25754 Los Angeles Abandoned gravel pit onboundary between Irwindale and Azusa, east of Irwindale Ave., and south of Foothill Blvd. 519 Comment
  POM187884  Berberis nevinii Chas Darland 1932-5-12 s.n. Los Angeles San Fernando Comment
  UC1605255  Berula erecta Timothy S. Ross, Steve Boyd and Steve Burns 1994-7-6 8089 Los Angeles confluence of San Francisquito Canyon and two triutaries draining off of Red Mountain (Liebre Mountains, s end of Cottonwood Swamp dissected by San Francisquito Road); Liebre Mountains, Cottonwood Swamp 510 Comment
  RSA354205  Bidens pilosa S. Carlquist 1985-12-6 15908 Los Angeles Wild along road, Via Padua, Claremont. Comment
  SJSU1861  Boechera arcuata J. W. Tilden 1957-4-18 1107 Los Angeles Glendora Mt, S-central San Gabriel Mts Comment
  SBBG125214  Boechera californica A. Parikh, N. Gale 2010-6-22 3360 Los Angeles Upper Shortcut Cyn, 0.5 km S of St Hwy 2, 1.2 km SE of intersection of St Hwy 2 and Upper Big Tujunga Cyn Rd, San Gabriel Mtns 1400 Comment
  RSA660090  Boechera californica Orlando Mistretta 1992-5-25 426 Los Angeles Fenner Canyon Conservation Camp 1738 Comment
  UCR223826  Boechera pulchra R. G. Swinney 2009-6-17 11198 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UCSB46470  Boechera pulchra Chieffo, Scott 1983-5-19 Los Angeles Near Hungry Valley Road offramp; north of Interstate 5 914 Comment
  SD260231  Boechera sparsiflora R. G. Swinney 2011-5-31 14917 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1 - 0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. Station Fire burn of 2009. 1096 Comment
  RSA700929  Boerhavia Keith E. Hoffmaster 1933-9-24 s.n. Los Angeles Near Santa Ana. Comment
  CAS-BOT-BC30959  Bolboschoenus maritimus George B. Grant 1901-4-28 3844 Los Angeles Santa Monica Beach. Comment
  UCR36479  Bolboschoenus maritimus subsp. paludosus A. C. Sanders, F. C. Vasek 1984-6-6 5082 Los Angeles Mojave Desert, SW end of Rosamond Lake (dry) near E end of Ave. 'C 701 Comment
  SD252231  Bothriochloa barbinodis Steven A. Junak 1999-7-15 Sca 1023 Los Angeles Santa Catalina Island. Immediately inland from Salta Verde Beach, on slump or landslide area. 6 Comment
  RSA592375  Bowlesia incana Mark Hoefs 1974-3-28 419 Los Angeles Santa Catalina Island: in upper Bullrush Canyon 251 Comment
  SBBG131661  Bowlesia incana S. A. Junak 1999-5-20 SCa 945 Los Angeles just S of Cottonwood-Black Jack Rd 304 Comment
  RSA544537  Bowlesia incana Tim Ross, E. Kellogg 1992-4-12 6128 Los Angeles San Clemente Island: 129 degrees SE, 525m distant from Vista, near head of Grove Canyon. 518 Comment
  RSA592401  Brachypodium distachyon Mark Hoefs, D. Propst 1974-5-10 463 Los Angeles Santa Catalina Island: lower Fern Canyon. 213 Comment
  UCR210253  Brassica geniculata R. G. Swinney 2008-10-16 9622 Los Angeles San Gabriel Mtns., Big Pine Meadow 2061 Comment
  RSA0036832  Brassica geniculata Phil Elliott 1981-3-8 29 Los Angeles Diamond Bar, 1/2 mile west of Diamond Bar Blvd., 1/2 miles south of Grand Ave. Comment
  RSA0088584  Brassica nigra R. G. Swinney 2010-5-4 12553 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  LA105117  Brassica nigra Barry A. Prigge; 1988-7-9 8255 Los Angeles Santa Monica Mountains, Calabasas, 900 ft ESE of N-Junction of Mulholland Hwy and Old Topanga Rd, S of Calabasas High School 374 Comment
  JEPS18643  Brickellia californica J. Thomas Howell 1927-10-16 3146 Los Angeles Sturtevant Falls San Gabriel Mts., Santa Anita Canon Comment
  LA31694  Brickellia californica Henry J. Thompson; 1958-10-22 1812 Los Angeles SANTA MONICA MOUNTAINS, Mt. Hollywood, Griffith Park, just N of Mt. Hollywood. 380 Comment
  SBBG66123  Brickellia californica M. N. Ackley -Nov-1928 174 Los Angeles Eagle Rock 213 Comment
  UCR61035  Brickellia californica R. G. Swinney 1988-9-5 s.n. Los Angeles San Gabriel Mtns., San Gabriel Mountains, vicinity of Glendora Wilderness Park, Big Dalton Cyn. 400 Comment
  SD72792  Brickellia nevinii F. R. Fosberg 1931-11-7 7193 Los Angeles Ridge Route near Tumble Inn, Western Sierra Madre Mountains 1100 Comment
  POM364044  Bromus catharticus Gary D. Wallace 1979-4-13 1676 Los Angeles LASCA Arcadia. Comment
  RSA549184  Bromus grandis Timothy S. Ross, Peter Fritsch 1990-6-20 3664 Los Angeles San Gabriel Mountains: Rincon-Red Box Rd (2N24); ridgetop between W Fork San Gabriel River and Roberts Canyon. 1329 Comment
  UCR260367  Bromus hordeaceus R. G. Swinney 2010-4-30 12444 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Canyon Debris Basin in the southernmost of the two east forks of Wilson Canyon 537 Comment
  SBBG117005  Bromus madritensis S. A. Junak 2001-5-18 SCa 1531 Los Angeles Avalon Cyn, at Wrigley Memorial Garden Comment
  CATA1387  Bromus madritensis subsp. rubens Mark L. Hoefs 1995-9-7 2520 Los Angeles Santa Catalina Island: Upper Avalon Canyon near Wrigley Garden, southeast side [Rattlesnake Canyon] 144 Comment
  LA33367  Bromus madritensis subsp. rubens Peter H. Raven; Henry J. Thompson 1959-5-5 14107 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 274 Comment
  LA13830  Bromus rubens A. M. Johnson; 1928-4-1 271 Los Angeles Sunland Comment
  RSA650418  Bromus rubens Harold Lint, D. B. Dunn 1948-3-10 303 Los Angeles Bonita & Irwindale, Irwindale, Comment
  UCR223663  Bromus rubens R. G. Swinney 2009-6-12 11129 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  CAS-BOT-BC161702  Bromus rubens Peter H. Raven 1959-5-3 14090 Los Angeles Santa Monica Mountains. Woodrow Wilson Drive 1.6 miles west of Cahuenga Pass. 304 Comment
  CAS-BOT-BC185548  Bromus tectorum Peter H. Raven; Henry J. Thompson 1959-5-5 14109 Los Angeles Santa Monica Mountains. Mulholland Highway 1 mile west of Las Virgenes Road. Malibu Creek drainage. 274 Comment
  LA98903  Bromus tectorum E. R. Hobbs; 1978-4-23 78 -165 Los Angeles Antelope Valley, Little Rock, State Highway 138 Comment
  RSA0019959  Bromus tectorum P. A. Munz 1923-5-26 6837 Los Angeles Vincent Gulch, San Gabriel Mountains 2012 Comment
  CATA3187  Caesalpinia spinosa Julia Parish, Margie Pfeffer 2016-8-19 004 Los Angeles Santa Catalina Island: North side of road east of Avalon dump 45 Comment
  UC1871242  Calandrinia ciliata T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 5037 Los Angeles Transverse Ranges; San Gabriel Mountains region; 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash; Acton USGS 7.5' Quadrangle; T4N R13W, N/2 NE/4 NE/4 S1; elev. 2760-2880 ft. Comment
  UCR205115  Calandrinia ciliata R. G. Swinney 2008-4-16 8677 Los Angeles San Gabriel Mtns., San Dimas, Spring Canyon, north end between east and west forks of canyon 393 Comment
  POM784  Calandrinia ciliata Caroline S. Weinland s.n. Los Angeles Claremont. 366 Comment
  RSA661026  Calandrinia ciliata Orlando Mistretta 1992-4-5 169 Los Angeles Guds, San Clemente Island. Comment
  SBBG69708  Calandrinia menziesii M. N. Ackley -Feb-1928 776 Los Angeles Eagle Rock 182 Comment
  SD257093  Calocedrus decurrens R. G. Swinney 2010-9-9 13761 Los Angeles San Gabriel Mountains: Big Cienaga, north of Crystal Lake Campground, 0.6 mile east of Deer Flats Campground, along FSR 3NO7.2/ North Crystal Lake Rd. 2012 Comment
  POM147607  Calochortus catalinae Marcus E. Jones 1927-4-20 s.n. Los Angeles San Dimas Comment
  RSA134724  Calochortus clavatus var. clavatus E. K. Balls, Percy C. Everett 1959-7-29 23863 Los Angeles Northeast of entrance to Stokes Canyon, Santa Monica Mountains. 244 Comment
  RSA377324  Calochortus clavatus var. clavatus Emery M. Whilton 1940-4-22 s.n. Los Angeles Near Pirue. [Piru] Comment
  UC1537207  Calochortus kennedyi Gordon H. True Jr. 1935-5-16 296 Los Angeles 4 mi s Palmdale; Head of Mint Canyon 914 Comment
  UCR193442  Calochortus kennedyi R. G. Swinney 1999-6-5 7276 Los Angeles San Gabriel Mtns., western end of ridge extending from Big John Peak, above Big John Flat 1793 Comment
  RSA68650  Calochortus kennedyi var. kennedyi Frank W. Peirson 1923-5-26 4099 Los Angeles Rock Creek, north slope of San Gabriel Mts., 1524 Comment
  SBBG124397  Calochortus plummerae A. Parikh, N. Gale 2010-6-19 3350 Los Angeles Upper Big Tujunga Cyn, 0.7 km WNW of Shortcut Station, 0.7 km N of St Hwy 2, San Gabriel Mtns 1273 Comment
  RSA744216  Calochortus simulans Jorge Ochoa, Leon Boroditsky 2009-5-1 1 Los Angeles Santa Susanna Mountains. Stetson Ranch. Hill over SW of park, above riding arena. On NW side of hill, N of telephone poles and electric lines. 30 ft N of pole #777343E. 120 ft N of Marie Feinberg plaque for the rim of the valley trail. 455 Comment
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Jun 23 2010
  CHSC95344  Calochortus venustus LeRoy Gross; Valeria Soza 2003-5-15 921 Los Angeles Transverse Ranges; Verdugo Mountains region: Northwest side: 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. 518 Comment
  RSA0110204  Calyptridium monandrum Richard G. Swinney 2011-5-16 14750 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 1.18 mi at 73 degrees SE of Colby Ranch Rd. and FS Rd. 3N19 (along Big Tujunga Cyn.), c. 450 ENE of lodge in center of camp. 1375 Comment
  SBBG25467  Calyptridium monandrum M. A. Piehl 1963-5-18 63310 Los Angeles foothills just N of Goode Pass 914 Comment
  UC1871247  Calyptridium monandrum T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4976 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
  UCR147280  Calystegia longipes Orlando Mistretta 1992-8-20 774 Los Angeles Transverse Ranges; San Gabriel Mtns, Mt. Gleason Management Unit; Mt Gleason, Tujunga Ranger District 1698 Comment
  UCR255505  Calystegia macrostegia subsp. arida Dan S. Cooper 2014-6-4 614- 18 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Hollywood Reservoir, eastern edge of perimeter road/Canyon Lake Dr. 233 Comment
  RSA650298  Calystegia macrostegia subsp. cyclostegia Kenny Palmer 1948-5-16 s.n. Los Angeles Found in wash 2 mi. N. of San Dimas. Comment
  LA105580  Calystegia macrostegia subsp. cyclostegia Barry A. Prigge; 1989-5-10 8704 Los Angeles SANTA MONICA MOUNTAINS, Point Dume, above Dume Cove. 30 Comment
  SDSU20291  Calystegia macrostegia subsp. macrostegia Patrick McConnell 2003-4-7 28 Los Angeles Horse beach Creek in chalk canyon growing immediate to Malacothamnus clementinus, 1/2 mile to 3/4 mile up canyon from beach, San Clemente Island. 30 Comment
  RSA397146  Calystegia malacophylla subsp. pedicellata Jean Carnine 1932-5-1 15290 Los Angeles Malibu Lakes. Comment
  RSA762260  Calystegia peirsonii Orlando Mistretta, Christine Mistretta 2008-5-2 2596 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 42 per TRTP survey, 2008), in the vicinity of Ritter Ridge. 1021 Comment
  RSA764507  Calystegia peirsonii Orlando Mistretta, Christine Mistretta 2008-5-1 2589 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 44 per TRTP survey, 2008), in the vicinity of Ritter Ridge. 1047 Comment
  RSA724374  Camissonia K. Dobry 1990-3-25 d- 390 Los Angeles Simi Hills at Dayton Canyon. Comment
  SEINET4680867  Camissonia bistorta Timothy S. Ross 1994-5-4 7618 Los Angeles San Francisquito Canyon: Headwaters of the canyon, NE of Green Valley; about 600 m SW of summit of grade; about 2460 m ESE of Grass Mtn summit. Lake Hughes 7.5'USGS Quadrangle.; 0 2460 Comment
  RSA465657  Camissonia bistorta John P. Hill 1929-4-15 s.n. Los Angeles El Segundo sand dunes Comment
  RSA465679  Camissonia bistorta I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough . [locality name change to Laguna Dominguez ] Comment
  UCR152657  Camissonia californica A. C. Sanders, Helen Kennedy 2005-4-13 29414 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA454024  Camissonia cheiranthifolia subsp. suffruticosa Tom Burch 1940-2-22 s.n. Los Angeles Redondo Beach. Comment
  RSA454037  Camissonia cheiranthifolia subsp. suffruticosa Anstruther Davidson 1890-4-6 s.n. Los Angeles San Pedro. Comment
  POM184510  Camissonia hirtella Thomas Craig 1927-6-8 415 Los Angeles In Bear Canyon Trail to Mt. San Antonio Comment
  RSA587990  Camissonia hirtella Orlando Mistretta, T. S. Ross 1994-6-1 1305 Los Angeles San Gabriel Mountains, Santiago Canyon. 1601 Comment
  UCR220249  Camissonia pallida R. G. Swinney 2009-4-28 10514 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  RSA449227  Camissonia pallida subsp. pallida Bonnie C. Templeton 1932-6-1 5064 Los Angeles Slope, East Blue Ridge, Big Pines Park, San Gabriel Mts 2134 Comment
  POM3109  Camissonia strigulosa O. W. Robinson 1916-4-20 s.n. Los Angeles Near Science Hall, Pomona College, Claremont. Comment
  RSA733448  Camissonia strigulosa R. G. Swinney 2001-4-18 7885 Los Angeles San Gabriel Mtns./Mojave Desert: Valyermo area, Bobs Gap, east of Bobs Gap Road at base of ridge. +/-1000m. Comment
  UCR272622  Camissoniopsis R. G. Swinney 2011-6-7 15031 A Los Angeles San Gabriel Mountains, Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road 1616 Comment
  SDSU3319  Camissoniopsis bistorta H. Wedberg 1957-3-26 12 Los Angeles About 1/4 mile east of Killgore Street, Playa del Rey. 32 Comment
  UC1211085  Camissoniopsis cheiranthifolia subsp. suffruticosa Huron H. Smith 1912-5-9 4952 Los Angeles beach Redondo Comment
  UC494419  Camissoniopsis cheiranthifolia subsp. suffruticosa Philip A. Munz 1932-8-31 12815 Los Angeles on back beach Playa del Rey Comment
  SBBG19159  Camissoniopsis robusta M. A. Piehl 1963-12-8 63108 Los Angeles Cave Cyn, a few 100 yds from mouth 15 Comment
  UCR46150  Canbya candida Kathy Harper 1986-5-16 s.n. Los Angeles Mojave Desert/N slope of San Gabriel Mtns, Pinon Hills, first wash on Smoke Tree Road, east of Hwy 138 1220 Comment
  UC10291  Capsella bursa-pastoris W. H. Brewer Feb. 1861 169 Los Angeles San Gabriel Comment
  UC10415  Cardamine californica J. H. Barber 1897-3-21 80 Los Angeles Sepulveda Canyon Sepulveda Canyon (Southern California) Comment
  UCR202527  Carex R. G. Swinney 2005-8-15 8480 Los Angeles Eastern San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Punchbowl Canyon 1341 Comment
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Sep 12 2018
  CAS-BOT-BC17676  Carex alma Timothy S. Ross; Steve Boyd 1990-6-1 2758 Los Angeles San Gabriel Mountains. Moody Canyon: drainage northward from Messenger Flats and Mt. Gleason. Along Moody Canyon Stream. 1341 Comment
  RSA629681  Carex alma Scott D. White, David E. Bramlet 1998-8-11 7044 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
  RSA729952  Carex alma R. G. Swinney 1999-5-8 7126 Los Angeles San Gabriel Mtns.: Pinon Hills, Boneyard Canyon near spring not shown on topo, very near LA Co. line. 1463 Comment
  RSA775912  Carex alma Orlando Mistretta, Christine Mistretta 2010-5-26 5218 Los Angeles Upper Mill Creek canyon drainage, S of Mill Creek Summit, along Southern California Edison transmission line corridor. 1311 Comment
  RSA589142  Carex alma Orlando Mistretta 1994-5-13 1207 Los Angeles San Gabriel Mts, Little Rock Creek. 1067 Comment
  SEINET3897003  Carex alma Louis C. Wheeler 1946-5-19 6223 Los Angeles San Gabriel Mountains: Lower rincon. San Gabriel Canyon.; 0 Comment
  SEINET7549363 Image available Carex alma Louis C. Wheeler 1967-5-24 9732 Los Angeles San Gabriel Mountains. Indian Canyon, near mouth. 678 Comment
  RSA639718  Carex athrostachya L. C. Wheeler 1968-6-14 s.n. Los Angeles San Gabriel Mountains: Spring on north side of Blue Ridge by Guffy camp. Comment
  RSA729923  Carex multicaulis R. G. Swinney 1999-7-5 7528 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
  UCR190759  Carex pellita R. G. Swinney 1999-7-5 7498 Los Angeles San Gabriel Mtns., head of Cedar Canyon, meadow on north side of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2 2037 Comment
  CAS-BOT-BC117938  Carex schottii George Bernard Grant 1901-5-1 3867 Los Angeles Oak Knoll Comment
  POM290226  Carex subfusca Victor Duran 1933-7-21 3524 Los Angeles Buckhorn, San Gabriel Mts. 1981 Comment
  UCD96847  Carpobrotus edulis Kenneth A. Wilson 1961-3-12 1002 Los Angeles Zuma Beach. Comment
  RSA425901  Castilleja affinis subsp. affinis Sam Tyson 1943-4-22 s.n. Los Angeles Big Dalton Canyon. 412 Comment
  UC1409147  Castilleja angustifolia Larry DeBuhr, R. F. Thorne et al. 1973-5-11 1074 Los Angeles 0.5 mi e Mt. Emma Rd. jct. with Little Rock Creek Dam Rd. (s of Mt. Emma Rd) Comment
  UCR189967  Castilleja applegatei R. G. Swinney 1998-8-31 6871 Los Angeles San Gabriel Mtns., San Antonio Ridge, 0.9 mi. west of Mt. Baldy, east of saddle 2500 Comment
  SEINET6042257  Castilleja applegatei Scott D. White 1998-6-29 6809 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  RSA654204  Castilleja applegatei subsp. martinii Kelly Middleton, David Middleton 1988-5-8 4 Los Angeles Glendora Ridge Road, 4.4 miles west of Mt Baldy Road intersection. 1220 Comment
  SFV21052  Castilleja applegatei subsp. martinii L. Gross, V. Soza 2001-6-6 428 Los Angeles Verdugo Mountains North side of mountains. Hostetter Mountain Way, off of La Tuna Canyon Road. Near a seep just along dirt fire road on north-facing slope. 671 Comment
  RSA156334  Castilleja applegatei subsp. martinii L. R. Abrams 1902-6-30 2602 Los Angeles San Gabriel Mountains: Mt. Wilson. Comment
  RSA622844  Castilleja applegatei subsp. martinii Louis C. Wheeler 1968-7-3 s.n. Los Angeles North side of Bichota Canyon, east of heliport 1402 Comment
  UCR176113  Castilleja exserta Holly A. Wanamaker 2005-5-1 08 Los Angeles Western Mojave Desert, Antelope Buttes, off Hwy 138 at 110th St. West in Lancaster, c. 4 mi. SW of intersection on a dirt road, adjacent to the California Poppy Preserve 912 Comment
  JEPS30530  Castilleja foliolosa Henry J. Thompson 1959-3-27 1880 Los Angeles 0.5 mi e Saddle Peak; Santa Monica Mountains 670 Comment
  JEPS83549  Castilleja gleasoni Hiller and Derby 1982-6-4 Los Angeles drainage between Horse Flats and Bandido Comment
  JEPS88978  Castilleja grisea Mark Egger and Jennifer Stone 1995-4-15 679 Los Angeles Pyramid Head area, lowest terrace, NW base of Balanced Rock, ca. 50 m from sea San Clemente Island Comment
  POM4455  Castilleja miniata subsp. miniata I. M. Johnston 1917-7-28 1527 Los Angeles San Antonio Mountains. N Fork San Antonio Canyon (Old Gold Ridge Mine) 2439 Comment
  SBBG125461  Castilleja minor subsp. spiralis A. Parikh, N. Gale 2010-6-18 3329 Los Angeles upper Big Tujunga Cyn, 1.2 km N of St Hwy 2, 0.3 km W of upper Big Tujunga Cyn Rd, San Gabriel Mtns 1225 Comment
  SD253505  Castilleja plagiotoma R. G. Swinney 2011-6-23 15296 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek, 100-200 m south of Chilao Station (Chilao Flat 7.5'Q) 1570 Comment
  RSA0091341  Caulanthus amplexicaulis R. G. Swinney 2011-5-12 14690 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
  LA100756  Caulanthus amplexicaulis Henry J. Thompson; 1980-5-23 sn Los Angeles San Gabriel Mountains, Angeles Forest Highway, S of the summit, upper part of Big Tujunga Canyon, S slope of the mountains 1371 Comment
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Nov 25 2014
  RSA670639  Caulanthus coulteri B. C. Templeton, I. W. Clokey 1930-4-8 1422 Los Angeles One mile north of Elizabeth Lake. Comment
  SEINET3148266  Caulanthus coulteri E. K. Balls, L. W. Lenz 1950-3-28 14465 Los Angeles 1 mile E of junction of Hwy 99 and Hwy 138, just S of Gorman. 1158 Comment
  SD93544  Ceanothus arboreus Helen V. Witham 1975-3-23 1877 Los Angeles Road to Black Jack Mountain, Santa Catalina Island 299 Comment
  POM8839  Ceanothus crassifolius P. A. Munz, R. D. Harwood 1920-03 4300 Los Angeles 3 miles north of Claremont, Cobal's Canyon. 457 Comment
  UCR111527  Ceanothus crassifolius A. C. Sanders, D. Malueg 1998-6-22 22032 Los Angeles San Gabriel Mtns., La Canada, SCE Gould Substation off Hwy 2, Gould Canyon 595 Comment
  UCSB17898  Ceanothus crassifolius Hennen, Diane 1963-4-18 Los Angeles La Crescenta Ravine, behind home at 2453 Teasley Street, La Crescenta 243 Comment
  UCSB3867  Ceanothus crassifolius Sage, Paul 1958-2-21 Los Angeles On ridge above Millard Canyon in Altadena 0.5 miles above Chaney Trail at a point about 2.3 mi. N. of Loma Alta St. 914 Comment
  UC18285  Ceanothus cuneatus var. cuneatus W. H. Brewer 1861-2-12 177 Los Angeles High ridge e of Cahuenga Pass. Comment
  UCR98740  Ceanothus greggii var. vestitus Steve Boyd, Lauren Raz 1997-5-1 9662 Los Angeles Liebre Mtns region, Sierra Pelona ridgeline, c. 1.5 mi west of Mt. McDill & 1.3 mi. SSE of Lincoln Crest, the head of Bouquet Canyon 1512 Comment
  UCR168291  Ceanothus insularis F. R. Fosberg 1931-5-6 S- 4826 Los Angeles Channel Islands, Cape Canyon, Santa Catalina Island 280 Comment
  SEINET12209899  Ceanothus integerrimus H. W. Graham 1927-1 s.n. Los Angeles Along trail & road from Mt. Lowe Tavern, Mt. Lowe to observatory on Mt. Wilson near Los Angeles Comment
  LA42069  Ceanothus leucodermis J. Ewan; 1929-5-11 2097 Los Angeles San Gabriel Mountains, Haines Canyon, Mount. Lukens Trail 914 Comment
  RSA562545  Ceanothus leucodermis Steve Boyd, W. Appleby 1993-4-22 8001 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon 854 Comment
  UCR277157  Ceanothus leucodermis R. G. Swinney 2011-6-15 15177 B Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  SBBG130742  Ceanothus megacarpus S. A. Junak 2000-3-31 SCa 1153 Los Angeles W side of rd to White's Landing, ca. 0.2 mi N of intersection with rd to Echo Lake 396 Comment
  SFV16788  Ceanothus megacarpus J. D. Dilley 1997-1-17 s. n. Los Angeles Santa Monica Mountains Studio City. 0.5 miles down Betty Dearing Trail on Mulholland Drive west of Laurel Canyon Drive. 610 Comment
  SBBG95488  Ceanothus megacarpus var. insularis M. B. Dunkle 1928-12-30 2038 Los Angeles upper Oak Cyn Comment
  UC1071163  Ceanothus oliganthus var. oliganthus A. Lewis 1934-2-1 Los Angeles Pacoima Canyon San Fernando quad., Angeles National Forest 1371 Comment
  RSA95348  Ceanothus oliganthus var. oliganthus F. W. Peirson 1918-6-30 113 Los Angeles Eaton Canyon, south face of San Gabriel Mts. Fruiting branch from 4400 feet on Mt. Wilson Trail. 1341 Comment
  SEINET3464285  Ceanothus thyrsiflorus Unknown 1939-7-19 1468 Los Angeles Los Angeles, Los Angeles, College grounds Comment
  CDA1868  Cenchrus longispinus T. C. Fuller 1958-8-6 3960 Los Angeles West of 90th Street East, 1/4 mile south of Avenue I, 9 miles east of Lancaster. 0 Comment
  RSA126840  Cenchrus longispinus H. S. Yates 1936-8-28 6356 Los Angeles 5 miles ESE of Palmdale. 814 Comment
  RSA611360  Cenchrus spinifex L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  UCD129954  Centaurea diluta T. C. Fuller 1963-6-26 10713 Los Angeles southeast corner of Imperial and Success Aves., Watts dist. Comment
  SBBG118760  Centaurea melitensis J. T. Rothrock -Jun-1875 39 Los Angeles Los Angeles Comment
  JEPS44137  Centaurea melitensis Frank W. Peirson 1919-5-18 435 Los Angeles hills e of Monrovia Canyon; San Gabriel Mts. 457 Comment
  POM304736  Centaurea melitensis Henry J. Ramsey, Henry J. Ramsey 1937-5-16 144 Los Angeles Altadena, N. Craig Ave. Comment
  RSA649817  Centaurea melitensis Matt Brooks 1988-5-7 43 Los Angeles Whittier, Dark Canyon 1.6 miles east of its confluence with Sycamore Canyon. Comment
  UCR206478  Centaurea solstitialis A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36966 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  RSA611585  Centaurium exaltatum Louis C. Wheeler 1946-9-8 6356 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, 1/2 mile west of Bear Creek. 518 Comment
  RSA711448  Centromadia pungens subsp. pungens LeRoy Gross 2005-5-19 2304 Los Angeles South of Ave A (Kern County boundary) east of the #14 freeway. South of the city of Rosamond. between 20th Street West and Sierra Highway., Started at Ave A, Near 34.820450N, 118.16535W then walked south to 34.81703N, 118.16403W. 715 Comment
  RSA10946  Centrostegia thurberi var. thurberi Victor Duran 1933-5-23 3417 Los Angeles near Lancaster Comment
  UCR200122  Cerastium glomeratum Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 780 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
  RSA152111  Cerastium glomeratum Wesley O. Griesel 1962-3-31 s.n. Los Angeles Tapia Park, Santa Monica Mountains. 152 Comment
  CAS-BOT-BC142150  Cercocarpus betuloides Peter H. Raven; Robert F. Thorne 1964-5-7 19000 Los Angeles Saddle Rock Ranch, near Seminole Hot Sprngs - Santa Monica Mountains Comment
  RSA0015970  Cercocarpus betuloides Steve D. Boyd, Valentin Arvizu, R. E. Riefner 2006-9-21 11693 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
  RSA14712  Cercocarpus betuloides Fay A. MacFadden 1929-6-4 1069 Los Angeles Verdugo Mountains: Tuna Canyon. Comment
  SD45605  Cercocarpus betuloides var. betuloides D. F. Howe 1953-5-2 Los Angeles Santa Catalina Island. Wain Canyon. Comment
  POM49469  Cercocarpus betuloides var. blancheae L. W. Nuttall 1920-5-17 s.n. Los Angeles Hamilton Canyon, Santa Catalina Island. Comment
  JEPS45565 Image available Cercocarpus betuloides var. multiflorus W. L. Jepson 1908-7-12 3041 Los Angeles near Avalon (Santa Catalina Island); Santa Catalina Island Comment
  CAS-BOT-BC143814  Cercocarpus ledifolius var. ledifolius Hasse 1907-7-1 s.n. Los Angeles Mt. Yslep, San Gabriel Range 2511 Comment
  CAS-BOT-BC279512  Chaenactis artemisiifolia Le Roy Abrams 1899-3-30 217 Los Angeles Sepulveda Canon [Canyon], Santa Monica Mts. Comment
  SEINET3146198  Chaenactis artemisiifolia G. B. Grant 1904-6-15 166 Los Angeles Pasadena Comment
  CAS-BOT-BC276900  Chaenactis fremontii Timothy S. Ross 1991-4-27 4723 Los Angeles Black Butte 1091 Comment
  CAS-BOT-BC276901  Chaenactis fremontii Timothy S. Ross; J. Mark Porter 1994-5-1 7614 Los Angeles SW Mojave Desert: open desert ca 3950 m NNE of Moody Springs and 2620 m W of the Los Angeles - San Bernardino County line 874 Comment
  SD197671  Chaenactis glabriuscula R. G. Swinney 2008-3-26 8566 Los Angeles San Gabriel Mountains: San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Canyon. 353 Comment
  UCR126671  Chaenactis glabriuscula A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26206 Los Angeles Western San Gabriel Mtns., Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment
  UCSB33699  Chaenactis glabriuscula Griesel, Wesley 1962-5-25 Los Angeles Switzers Inlet, Upper Arroyo Seco, San Gabriel Mts. 914 Comment
  CAS-BOT-BC183856  Chaenactis glabriuscula var. glabriuscula Timothy S. Ross; Steve Boyd 1994-5-10 7759 Los Angeles Lower Deer Canyon: inside the rather broad mouth of the canyon, ca 220-380 m NNW of its confluence with Elizabeth Lake Canyon 883 Comment
  CHSC95721  Chaenactis glabriuscula var. glabriuscula LeRoy Gross 2005-4-28 2174 Los Angeles Transverse Ranges; San Gabriel Mountains region: Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridegline starts to turn southwest.) East of Mt. Emma Road. Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Than dropped off ridge into canyon back to origin. (T4N R12W, 11w S1, 6, NE1/4 of 1, NW1/4 of 6) Alt.: 1235-1413m/4052-4635ft. 1324 Comment
  UC135500  Chaenactis glabriuscula var. glabriuscula LeRoy Abrams 1902-6-29 2506 Los Angeles summit of Mt. Wilson Comment
  RSA301932  Chaenactis glabriuscula var. lanosa J. R. Shevock 1971-5-11 1051 Los Angeles Sierra Hwy, near Soledad Jct. 579 Comment
  RSA0008383  Chaenactis glabriuscula var. orcuttiana William Jones 2010-4-12 BOE- 1439 Los Angeles Ballona Lagoon, west bank- between Outrigger and Privateer Streets, Venice 2 Comment
  JEPS8878  Chaenactis santolinoides Frank W. Peirson 1918-6-10 241 Los Angeles region just to the s of Red Box Gap (at the summit of San Gabriel Peak); San Gabriel Mountains, San Gabriel Peak 1874 Comment
  RSA152484  Chaenactis santolinoides R. C. Bacigalupi, G. T. Robbins, L. R. Heckard 1953-6-14 4189 Los Angeles Upper slopes of the So. Fork of Little Rock Creek Canyon, higher north slopes of the San Gabriel Mts, Angeles National Forest. 1554 Comment
  RSA165712  Chaenactis santolinoides Wesley O. Griesel, Brian C. Miller 1963-7-2 s.n. Los Angeles Sawmill Campground, Sawmill Mtn. Angeles National Forest. 1616 Comment
  RSA799682  Chaenactis xantiana Pam De Vries 2013-4-3 7838 Los Angeles Tehachapi Mountains/Western Transverse Range (Gorman Hills). About 0.5 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Road. 1054 Comment
  UCR238619  Chaenactis xantiana Anuja Parikh, Nathan Gale 2010-5-10 3148 Los Angeles Western Mojave Desert, Antelope Valley, under power transmission lines just south of Hwy 138, 0.4 km E of 140th St. West 785 Comment
  RSA654343  Chamaesyce albomarginata Valerie L. Soza, Laura Moore 2000-5-30 968 Los Angeles Liebre Mountains: San Francisquito Canyon, at Los Angeles Dept of Water and Power San Francisquito Power Plant No. 2 and USFS Fire Station, W of San Francisquito Canyon Road. 487 Comment
  RSA432401  Chamaesyce melanadenia Robert M. Perkins 1936-3-4 162 Los Angeles 2 miles of San Gabriel Canyon. Comment
  SFV6958  Chamaesyce polycarpa T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-8-31 617 Los Angeles Santa Monica Mountains On roadcut along Old Topanga Canyon Road, about 1 mile north of Topanga Park. 366 Comment
  RSA432471B  Chamaesyce serpillifolia E. S. Spalding 1922-10 s.n. Los Angeles Los Angeles. Comment
  CDA34299  Chamaesyce serpyllifolia M. O'Brien 2011-6-14 MOB 11 -11 Los Angeles Santa Monica Mountains; Tapia County Park. 152 Comment
  SBBG106903  Chamaesyce serpyllifolia M. L. Hoefs, R. F. Thorne, J. Takara, M. Gay 1995-7-27 2496 Los Angeles upper Bullrush Reservoir 292 Comment
  CATA2920  Chamelaucium uncinatum Sara L. Crockett 1997-4-15 124 Los Angeles Santa Catalina Island: 326 Sumner Avenue 15 Comment
  SEINET804433  Cheilanthes covillei J. E. Wau 1929-1 2107 Los Angeles Granite crevices of south slope. Mountain Lukens trail. San Gabriel Mountains. 1219 Comment
  RSA232630  Cheilanthes newberryi Larry E. DeBuhr, Gary Wallace 1972-9-3 709 Los Angeles San Clemente Island: on canyon wall of Horse Canyon, the canyon from Thirst Pk. to the west. 518 Comment
  RSA0116570  Chenopodium R. G. Swinney 2010-9-30 13931 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
  RSA762383  Chenopodium berlandieri R. G. Swinney 2009-3-12 10099 Los Angeles Azusa, mouth of San Gabriel River Canyon, 0.7 mi. north of Sierra Madre Ave. on north side of Hwy 39. 226 Comment
  UCR126350  Chenopodium berlandieri A. C. Sanders 2003-8-6 27115 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters 335 Comment
  LA200365  Chenopodium californicum Jonathan Sauer; R. Dix 1969-3-20 4400 Los Angeles Santa Monica Mountains, Point Dume Comment
  UC1971286  Chenopodium californicum Louis C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast Vincent Comment
  UCR168285  Chenopodium californicum Reid Moran 1941-2-17 578 Los Angeles Channel Islamds, Middle Ranch, south side of San Clemente Island 500 Comment
  RSA478488  Chenopodium californicum Ora M. Clark 1929-3-29 1895 Los Angeles N. E. Sandberg. Comment
  SEINET11940701  Chenopodium leptophyllum H. W. Graham 1927-1 9- 9 -11 Los Angeles Along trail and road from Mt Lowe Tavern, Mt Lowe, to observatory on Mt Wilson, near Los Angles Comment
  UC465472  Chenopodium multifidum Geo. B. Grant 1904-8-1 1133 Los Angeles Pasadena Comment
  RSA233617  Chenopodium murale R. F. Thorne 1970-3-6 39404 Los Angeles Indian Rock in Emerald Bay, Santa Catalina Island. 15 Comment
  LA99134  Chenopodium pumilio R. L. Armacost; 1965-5-23 2386 Los Angeles Near Desert Garden of UCLA Botanical Garden Comment
  RSA133818  Chenopodium pumilio P. H. Raven 1959-10-9 14611 Los Angeles University of california west Los Angeles. 130 Comment
  POM156534  Chlorogalum pomeridianum var. pomeridianum Le Roy Abrams 1902-7-2 2634 Los Angeles Sierra Madre. Comment
  CAS-BOT-BC244723  Chorizanthe staticoides Margaret Stason 1927-5-14 s.n. Los Angeles Bouquet Canyon, San Gabriel Mountains Comment
  RSA65075  Chorizanthe staticoides Raymond J. Dobbs 1924-6-30 5388 Los Angeles Near Switzers Camp, San Gabriel Mountains. 915 Comment
  SEINET3132303  Chorizanthe staticoides G. B. Grant 1904-6-17 169 Los Angeles Pasadena Comment
  UC188745  Chorizanthe staticoides S. B. and W. F. Parish June 1881-June 1887 1999 Los Angeles foothills San Fernando Mountains foothills San Fernando Mts Comment
  RSA757667  Chorizanthe staticoides Orlando Mistretta, Christine Mistretta 2008-4-14 2440 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 18 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 946 Comment
  UCR282001  Chorizanthe watsonii R. G. Swinney 2014-5-1 16317 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
  UCR202719  Chrysothamnus nauseosus R. G. Swinney 2001-8-18 8058 Los Angeles San Gabriel Mtns., Ross Mtn., 2.5 miles south of Mt. Baden Powell on the same ridge 2257 Comment
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Jul 6 2021
  POM351970  Chrysothamnus nauseosus subsp. bernardinus B. C. Templeton 1932-8-25 5088 Los Angeles Table Mtn., Big Pines Park, San Gabriel Mountains 2037 Comment
  RSA718283  Chrysothamnus nauseosus subsp. consimilis R. G. Swinney, Dave W. Larson 1996-7-17 5139 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1320 Comment
  RSA747675  Chrysothamnus nauseosus subsp. mohavensis R. G. Swinney 2001-9-15 8153 Los Angeles San Gabriel Mountains: Mt Islip. 2512 Comment
  UC205610  Cirsium mohavense I. M. Johnston 1917-8-22 1707 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains, Prairie Fork of San Gabriel River 1828 Comment
  CAS-BOT-BC285408  Cirsium occidentale var. californicum Peter Kamb 1947-6-1 559 Los Angeles Angeles Crest highway 1 mi. below Red Box Gap, San Gabriel Mts 1341 Comment
  POM194149  Cirsium occidentale var. californicum Lyman Benson 1945-6-5 11772 Los Angeles Cold Spring, 2 1/2 miles southwest of Camp Baldy on the Glendora Road. San Gabriel Mt. Range 1372 Comment
  UCR133719  Cirsium occidentale var. occidentale F. R. Fosberg 1931-5-14 S- 4876 Los Angeles Channel Islands, Santa Catalina Island, Middle Ranch Canyon, 2 miles above ranch 220 Comment
  SBBG19177  Cistanthe maritima M. A. Piehl 1963-12-7 631048 Los Angeles open edge of mesa across SE tip from Pyramid Head 22 Comment
  CATA3003  Cistus incanus Peter J. Dixon 2015-3-17 037 Los Angeles Santa Catalina Island: Hamilton Cove, 288 m west of ocean 70 Comment
  LA45533  Clarkia bottae J. A. Ewan; 1930-5-30 2251 Los Angeles SANTA MONICA MOUNTAINS, Cahuenga Hills, above Hollywood Lake. 304 Comment
  UC1595263  Clarkia bottae Tim Ross, Peter Fritsch 1990-6-20 3620 Los Angeles near Confluence of E and W Forks of the San Gabriel River (mouth of Burro Canyon); San Gabriel Mountains, Burro Canyon 445 Comment
  UCR277028  Clarkia bottae R. G. Swinney 2010-5-25 12942 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  UCSB45472  Clarkia bottae Batson, J. 1979-5-25 Los Angeles 10 miles southwest of the junction of Highway 101 and Westlake Boulevard; on Highway 23 487 Comment
  CAS-BOT-BC172254  Clarkia cylindrica subsp. cylindrica W. Griesel; B. Miller 1963-7-2 s.n. Los Angeles Liebre Campground, Liebre Mtn., Angeles National Forest 1645 Comment
  RSA660098  Clarkia dudleyana Orlando Mistretta 1992-6-12 550 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  SBBG131135  Clarkia purpurea subsp. quadrivulnera S. A. Junak 1999-5-21 SCa 973 Los Angeles upper reaches of Coffee Pot Cyn, near Benchmark 1732, N facing slope 527 Comment
  RSA73350  Clarkia rhomboidea F. W. Peirson 1919-6-5 5307 -a Los Angeles San Antonio Canyon, along stream bed above bridge. 1448 Comment
  LA45498  Clarkia unguiculata Harvey Anderson; Carl Epling 1930-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  RSA659472  Clarkia unguiculata J. C. Roos 1947-5-17 3626 Los Angeles Placerita Canyon east of Newhall. Comment
  RSA706434  Clarkia xantiana subsp. parviflora LeRoy Gross 2005-6-23 2376 Los Angeles Road survey for Angeles National Forest; From Alder Saddle 4 miles down road 5N04 along South Fork Little Rock Creek. 1401 Comment
  SBBG113112  Claytonia parviflora subsp. parviflora S. A. Junak with M. L. Hoefs, K. Kirkland, L. Stratton 1998-5-2 SCa 623 Los Angeles upper portion of Avalon Cyn watershed, along Memorial Rd, ca. 0.7 mi rd mi above Wrigley Memorial 213 Comment
  RSA729185  Claytonia parviflora subsp. utahensis R. G. Swinney 1998-7-14 6452 Los Angeles north slope of Pine Mountain Ridge, from high point to Prairie Fork, c. 1 mi. SE of Cabin Flat. 1890 Comment
  UCD170390  Claytonia parviflora subsp. viridis R. G. Swinney 2009-6-8 11081 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR194595  Claytonia perfoliata R. G. Swinney, Dave Larson 1999-6-25 7400 Los Angeles San Gabriel Mtns., Fern Canyon at falls, c. 1.7 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  RSA527824  Claytonia perfoliata subsp. intermontana Timothy S. Ross, Steve Boyd, Laurel Arnseth 1991-4-30 4882 Los Angeles Liebre Mountain: near W summit 1695 Comment
  RSA579327  Claytonia rubra subsp. rubra Timothy S. Ross 1994-5-31 7959 Los Angeles Pacifico Mountain: W slope. ca. 315 m WSW of the 7124-foot summit. 2085 Comment
  JEPS60545  Clematis lasiantha Frank W. Peirson 1918-5 51 Los Angeles Millards Canyon 640 Comment
  OBI33638  Clematis lasiantha Robin L. Kobaly 1972-5-17 RLK 720517 -01 Los Angeles San Gabriel Mts, Pasadena, Eaton Cyn Park 305 Comment
  RSA612196  Clematis lasiantha Bill Campbell 1932-3-19 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon. Comment
  SFV7343  Clematis lasiantha T. Gordon, M. H. Grayum 1975-3-21 859 Los Angeles Santa Monica Mountains Along Mulholland Highway just west of Seminole Hot Springs. 366 Comment
  UCR146484  Clematis lasiantha Scott D. White 2004-7-28 10663 Los Angeles San Gabriel Mtns., Clear Creek area. In and around the 'The Pines' Picnic area, immediately south of Angeles Forest Hwy, c. 0.5 mi west of jtn. with Angeles Crest Hwy. 1052 Comment
  RSA660655  Clematis pauciflora Tim Traver 1981-4-26 2 Los Angeles Hwy 39, 1/16 mile up river toward Cogswell Reservoir from road. Comment
  RSA440782  Cleome isomeris M. A. Salazar 1969-8-16 s.n. Los Angeles Vicinity of Goreman, off State Hwy 99 915 Comment
  RSA440787  Cleome isomeris H. L. Bauer 1933-4-20 s.n. Los Angeles Along the Roosevelt Highway near the ocean. 6 Comment
  CAS-BOT-BC423109  Cleomella obtusifolia Ernest C. Twisselmann 1965-5-5 10703 Los Angeles Mojave Desert. Lancaster Boulevard near the Kern County Line, (Edwards Air Force Base). 746 Comment
  POM122979  Cleomella obtusifolia Marcus E. Jones 1924-9-14 s.n. Los Angeles Lancaster. Comment
  UCR94671  Cleomella obtusifolia A. C. Sanders, E. J. Lott 1993-5-6 13978 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
  RSA160047  Cnicus benedictus L. C. Anderson 1961-6-29 1958 Los Angeles Weed in disturbed soil along Mills Ave at Benito in Pomona. Comment
  UCR187201  Collinsia bartsiifolia A. C. Sanders 2006-4-18 32113 Los Angeles Tehachapi Mtns. Foothills, lower Oso Canyon, c. 1 mile north of Quail Lake 1006 Comment
  UCR205904  Collinsia callosa R. G. Swinney 2008-5-5 8770 Los Angeles San Gabriel Mtns., Punchbowl Canyon at north boundary of Devils Punchbowl County Park, confluence of East and West Forks of Punchbowl Cyn, 0.3 mi. south of Big Rock Creek 1256 Comment
  JEPS13637  Collinsia heterophylla Peter Kamb 1947-5-25 532 Los Angeles near Sunset Ridge Guard Station (Millard Canyon); San Gabriel Mtns, Millard Canyon 670 Comment
  UCD123570  Collinsia heterophylla Garm Beall 1997-4-15 17 Los Angeles Mullholland Highway, 1 mile east of Malibu Canyon Road. Comment
  SEINET13276794 Image available Collinsia heterophylla var. austromontana R. G. Swinney 2011-1 14494 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  CAS-BOT-BC240956  Collinsia parryi Frank W. Peirson 1918-5-26 193 Los Angeles Toll Road to Mt. Wilson at Hennigers Flat, San Gabriel Mts. 868 Comment
  POM184518  Collinsia parryi Thomas Craig 1927-6-8 400 Los Angeles In Bear Canyon Trail to Mt. San Antonio Comment
  RSA0117346  Collinsia parryi A. C. Life 1921-4-3 15731 Los Angeles Pacoima Canyon. Comment
  UCR204009  Collinsia torreyi R. G. Swinney 2001-9-15 8129 Los Angeles San Gabriel Mountains, Lily Spring, north slope of Mt. Hawkins [7.5 air mi west southwest of Wrightwood] 2454 Comment
  UCR223152  Collomia grandiflora R. G. Swinney 2009-7-22 11336 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  CAS-BOT-BC200999  Colutea arborescens Robert F. Thorne; C. W. Tilforth 1971-6-17 39919 Los Angeles At Bear Divide Station. San Gabriel Mts., Angeles National Forest 822 Comment
  SD51895  Constancea nevinii Peter H. Raven 1962-7-12 18024 Los Angeles San Clemente Island; on bluffs near point at east end of Northwest Harbor. 29 Comment
  SD53087  Constancea nevinii Peter H. Raven 1962-4-12 17312 Los Angeles San Clemente Island, in canyon below the Tomb. 120 Comment
  RSA0043298  Convolvulus occidentalis Lee Haines s.n. Los Angeles Topanga Canyon. 304 Comment
  RSA157805  Conyza bonariensis Peter H. Raven 1962-5-8 17616 Los Angeles Barracks area with Malva, Wilson Cove, San Clemente Island 76 Comment
  RSA187691  Conyza canadensis R. F. Thorne 1966-9-14 36663 Los Angeles Santa Catalina Island; Little Harbor 5 Comment
  RSA588688  Conyza canadensis Orlando Mistretta 1995-7-12 1901 Los Angeles San Gabriel Mountains: Little Rock Creek, just N of Guard Station along Little Rock Creek, below the dam. 976 Comment
  RSA604493  Conyza canadensis L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Big Rock Creek, Old Point Comfort. Comment
  UC74041  Conyza canadensis Dr. J. Q. Adams 1905-9-1 Los Angeles near Soldier's Home Comment
  UCR240291  Conyza canadensis R. G. Swinney 2009-11-18 11655 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, 1.7 miles west of junction of Bobs Gap Rd. and Valyermo Rd., at junction of Sand Rock Creek & Valyermo Rd., S side of road 1108 Comment
  RSA598575  Conyza canadensis L. C. Wheeler 1966-11-23 9144 Los Angeles San Gabriel Mountains. West Fork San Gabriel Canyon. Comment
  RSA412317  Cordylanthus maritimus subsp. maritimus George B. Grant 1901-5-25 3124 Los Angeles Termnal Island. San Pedro Harbor. Comment
  RSA616307  Coreopsis bigelovii Scott D. White, Pam De Vries 1998-4-20 6332 Los Angeles Soledad Canyon area: Proposed quarry area N of Soledad Canyon Rd., S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Canyon. 580 Comment
  UCR102531  Coreopsis bigelovii George K. Helmkamp, E. A. Helmkamp 1997-3-6 1357 Los Angeles Tehachapi Mtns., Hills south of Gorman. Along Gorman Post Rd c. 1.1 mi. NW of Calif. Hwy 138 1128 Comment
  UCR214046  Coreopsis bigelovii A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37959 Los Angeles Tehachapi Mountains, Crane Canyon, 1.0 mi. SE (144 deg. ) of Castac Lake, 1.7 mi. NE (43 deg. ) of Gorman, just S of Kern Co. line 1189 Comment
  RSA640620  Coreopsis californica R. F. Thorne, Gary D. Wallace 1973-4-24 43445 Los Angeles Antelope Valley, Western Mojave Desert: Lovejoy Buttes, N of Llano, S slope. 915 Comment
  RSA702965  Coreopsis californica var. californica Scott D. White, Michael Honer 2004-3-30 9970 Los Angeles Eastern edge of the City of Palmdale, ca. 1 mile west-northwest of 'Four Points' 838 Comment
  UCR126703  Coreopsis tinctoria A. C. Sanders, Mark Elvin 2003-8-7 27182 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  POM356117  Corethrogyne filaginifolia L. E. Hoffman 1933-7-17 s.n. Los Angeles Hermosa Beach Comment
  RSA0081639  Corethrogyne filaginifolia R. G. Swinney 2010-9-9 13736 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. 1997 Comment
  SFV6952  Corethrogyne filaginifolia T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-8-31 623 Los Angeles Santa Monica Mountains First canyon east of Stokes Canyon. About 1 mile due east of Claretville Seminary. 229 Comment
  UC135445  Corethrogyne filaginifolia LeRoy Abrams 1902-8-27 2981 Los Angeles edges of sand dunes Playa Del Ray Comment
  POM356112  Corethrogyne filaginifolia var. filaginifolia Thekla Mohr 1915-1 3042 Los Angeles North Fork, San Gabriel River. Comment
  SBBG78810  Cornus glabrata F. R. Fosberg 1931-4-24 4679 Los Angeles Hamilton Cyn 60 Comment
  RSA397487  Cornus occidentalis Geo L. Moxley 1917-8-18 617 Los Angeles Cienega, Southwest from Los Angeles Comment
  UCR87421  Cornus sericea subsp. occidentalis R. G. Swinney 1994-6-11 2876 Los Angeles Eastern San Gabriel Mtns., west of Wrightwood, c. 1.5 mi SE of Big Pine Forest Service Center on Blue Ridge Nature Trail, c. 100 ft west of trail in stream bottom 2256 Comment
  UC56496  Cornus sericea subsp. sericea Ernest Braunton Aug 1902 652 Los Angeles Oak Knoll Comment
  UCR73406  Coronilla valentina subsp. glauca T. S. Ross 1991-3-9 4204 Los Angeles Whittier Hills (Puente Hills, pro parte): Skyline Drive at the head of Turnbull Canyon 348 Comment
  RSA587193  Cortaderia selloana Scott D. White 1995-12-5 3771 Los Angeles Marina Del Rey area; State Rt. 90 median strip between Culver Bl. and Mindanao Way. 5 Comment
  RSA0091712  Cotula australis R. G. Swinney 2011-4-9 14380 Los Angeles NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  RSA659814  Crassula connata Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-4 109 Los Angeles San Clemente Island. Comment
  SD251718  Crassula connata M. B. Dunkle 1939-4-6 7323 Los Angeles Mosquito Ridge, San Clemente Island Comment
  RSA675870B  Crassula tillaea LeRoy Gross 2003-3-9 782 Los Angeles Southwest side. A west-east trending ridge southwest of Flint Peak. Entered at west end, at Mount Carmel Drive, east of the (2) Glendale freeway, between Chevy Chase Drive (Sycamore Canyon) to the north, and Glenoak Blvd. (Scholl Canyon) to the south. 357 Comment
  JEPS36473  Crepis acuminata F. W. Peirson 1921-7-17 2507 Los Angeles Prairie Fork <of> San Gabriel River San Gabriel Mts. 2011 Comment
  SBBG31028  Cressa truxillensis R. F. Thorne 1966-5-31 36444 Los Angeles behind beach at Little Harbor 3 Comment
  SEINET10743132  Cressa truxillensis J. Richard Abbott, B. S. Carlsward 1999-6-25 Abbott 12869 Los Angeles Greater Los Angeles, north Long Beach, on S side of the Pacific Coast Highway (CA 1) a little E of canal just E of underpass with I-710, close to junction with San Francisco Avenue. Comment
  SEINET5357772  Cressa truxillensis J. H. Barber 1898-8-6 s.n. Los Angeles Malibu Canyon Comment
  UC19194  Crocanthemum scoparium var. vulgare Harley P. Chandler 1897-5-24 Los Angeles Fulkerson's Ranch Claremont 731 Comment
  CAS-BOT-BC175844  Crossosoma californicum George B. Grant; Walter Wheeler 1904-4-21 235 /6149 Los Angeles Santa Catalina Island, Pacific Ocean, off southern California Comment
  RSA397738  Crossosoma californicum Mark Parratt 1965-1-26 642 Los Angeles Santa Catalina Island near the Isthmus area. 0 Comment
  SBBG95425  Crossosoma californicum M. B. Dunkle 1932-1-24 2862 Los Angeles Avalon 91 Comment
  SDSU5817  Crossosoma californicum D. F. Howe 1968-2-24 4487 Los Angeles On south side of Fourth of July Cove, Santa Catalina Island. Comment
  SD253440  Croton californicus R. G. Swinney 2010-4-13 12189 Los Angeles San Gabriel Mountains: 0.35 mile north of Limekiln Canyon, bottom along ridgeline motorway, south of Pacoima Dam. 0.4 mile east of Pacoima Canyon. 609 Comment
  SBBG78504  Croton setiger F. R. Fosberg 1931-7-11 5383 Los Angeles middle of Cape Cyn 220 Comment
  SEINET9591991  Croton setiger G. B. Grant 1901-1 445 Los Angeles Pasadena. Comment
  CAS-BOT-BC189392  Cryptantha circumscissa Ira L. Wiggins 1966-4-23 20627 Los Angeles Along E side of 145 Street E, between Palmdale Boulevard and Avenue O, N of Pearblossom. Mohave [Mojave] Desert Comment
  CAS-BOT-BC189389  Cryptantha circumscissa A. D. E. Elmer 1902-6-1 3705 Los Angeles Acron Comment
  CHSC35792  Cryptantha circumscissa var. circumscissa M. B. Schwartz 1971-5-7 Los Angeles Ca. 20 mi. SE of Palmdale, 1-1/2 mi.So. of Ave. T on 116th St. E. by R.R. in Littlerock in Mojave Desert. 853 Comment
  LA31586  Cryptantha clevelandii Henry J. Thompson; 1959-5-31 2058 Los Angeles Santa Monica Mountains, just E of junction of Latigo Canyon Rd with Mulholland Hwy 518 Comment
  SBBG47540  Cryptantha clevelandii M. B. Dunkle 1929-4-7 2097 Los Angeles near sea, White's Landing Comment
  UC55366  Cryptantha clevelandii J. H. Barber 1898-3-20 Los Angeles South Beach Comment
  POM368354  Cryptantha clevelandii James B. McNair 1934-4-16 s.n. Los Angeles El Segundo. Comment
  SBBG63665  Cryptantha corollata R. Hoffmann 1929-4-27 Los Angeles Little Rock Dam Comment
  LA94299  Cryptantha intermedia Carl Epling; 1925-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA653769  Cryptantha intermedia J. Bogdanoff-Lord 1989-5-5 1 Los Angeles Angeles National Forest: 3.9 miles NNE of the intersection of Base Line & Mills, Claremont, on west side of Mt. Baldy Road. 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
  SBBG13157  Cryptantha intermedia E. R. Blakley 1962-6-10 5179 Los Angeles Triangulation Pt Thirst 598 Comment
  SBBG63824  Cryptantha intermedia R. Hoffmann 1929-4-26 Los Angeles near Castaic, Soledad Cyn Comment
  UCR251876  Cryptantha intermedia Victoria M. Woods, David G. Cook 2014-5-10 27 Los Angeles Transverse Range; San Gabriel Mtns., Angeles National Forest, Mount Baldy area, Potato Mountain Trail at Baldy Mtn. Rd turnoff 1043 Comment
  SBBG39459  Cryptantha maritima M. A. Piehl 1962-6-9 62354 Los Angeles China Pt 7 Comment
  RSA0115989  Cryptantha microstachys R. G. Swinney 2010-8-11 13492 Los Angeles San Gabriel Mountains; San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road. 595 Comment
  RSA131039  Cryptantha microstachys P. C. Everett, E. K. Balls 1959-6-2 23837 Los Angeles 1 mile northeast of entrance to Stokes Canyon, Santa Monica Mountains. 183 Comment
  UC166706  Cryptantha microstachys Geo. B. Grant 1904-6-16 239 Los Angeles Pasadena Comment
  UCR147675  Cryptantha muricata Steve Boyd, Amber Maurice 2004-5-18 11313 Los Angeles Transverse Ranges; Liebre Mtns region, Road leading down towards Atmore Meadows area from main road, on crest of Liebre Mountain at crossing of spring outflow 1437 Comment
  UCR190777  Cryptantha muricata R. G. Swinney 1999-7-5 7533 Los Angeles San Gabriel Mtns., Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines Hwy at a point 0.5 mi. west of junction of Hwy 2 1866 Comment
  UCR259756  Cryptantha muricata R. G. Swinney 2010-5-11 12636 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
  RSA587335  Cryptantha muricata Orlando Mistretta 1992-05 211 Los Angeles San Gabriel Mountains: Little Rock Creek. Alimony Ridge. 1463 Comment
  RSA0079411  Cryptantha muricata var. jonesii F. W. Peirson 1919-5-7 1024 Los Angeles South side of New York Drive, Altadena, (east of Hill Ave.). Comment
  RSA0078914  Cryptantha muricata var. muricata Fordyce Grinnell Jr. 1911-06 3180 Los Angeles Mt. Wilson, San Gabriel Mts. 1768 Comment
  SBBG63837  Cryptantha nevadensis R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  RSA587090  Cryptantha nevadensis var. rigida Orlando Mistretta, Steve Boyd 1995-5-23 1725 Los Angeles San Gabriel Mountains: Bare Mountain Canyon. 1494 Comment
  RSA747132  Cryptantha oxygona R. G. Swinney 2008-5-8 8814 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
  CHSC98598  Cryptantha pterocarya LeRoy Gross 2005-5-3 2210 Los Angeles Transverse Ranges; San Gabriel Mountains region: West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. T04N, 05N R09W, 10W S06, 01, 31, NW1/4 of 6, NE1/4 of 1, SW1/4 of 31. Alt: 1085-1215m. 1150 Comment
  SEINET3860020  Cryptantha pterocarya R. G. Swinney 2009-4-24 10489 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, ca 200 m below (north of) Littlerock Creek Dam.; 0 963 Comment
  RSA0079038  Cryptantha pterocarya var. pterocarya LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 891 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway 1143 Comment
  UCR209461  Cryptantha simulans R. G. Swinney 2008-10-10 9564 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  UCR223364  Cryptantha simulans R. G. Swinney 2009-5-27 10866 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  SEINET10569468  Cryptomeria japonica David B. Dunn 1939-10-25 Dunn UMO 46536 Los Angeles Cultivated tree growing in Pasadena, Calif. along Orange Dr. 274 Comment
  POM4560  Cucurbita foetidissima Effie M. Ingels 1905-06 364 Los Angeles Claremont Wash. 366 Comment
  PASA2344  Cupressus guadalupensis Euphrat, Manning 1931-12-1 Los Angeles PHS grounds, Pasadena Comment
  UCR239999  Cuscuta R. G. Swinney 2009-11-9 11589 Los Angeles Transverse Range; San Gabriel Mountains, confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  JEPS47113  Cuscuta californica K. Brandegee Los Angeles Ravenna Comment
  RSA127922  Cuscuta californica H. J. Thompson, P. H. Raven 1959-6-4 14327 Los Angeles Point Dume. 45 Comment
  UCR126996  Cuscuta californica A. C. Sanders, Kim Marsden 2003-6-20 26986 Los Angeles Western Transverse Range/Santa Clara River Watershed, Del Valle area, between San Martinez Grande Canyon Rd. and (San Martinez) Chiquito Canyon Rd., north of Hwy 126, Newhall Ranch 305 Comment
  UCR155341  Cuscuta californica A. C. Sanders 2005-5-5 29865 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon on the ridge above and west of the community of Mint Canyon 549 Comment
  RSA598273  Cuscuta campestris R. G. Swinney 1989-6-25 s.n. Los Angeles Big Dalton Canyon, in and near Glendora Wilderness Park , Big Dalton Canyon. Big Dalton Debris basin 365 Comment
  UCR124252  Cuscuta pentagona L. C. Wheeler 1965-10-6 s.n. Los Angeles Devil's Gate Dam: Pasadena Comment
  RSA226917  Cuscuta subinclusa R. F. Thorne 1971-8-25 41236 Los Angeles San Gabriel Mountains, Angeles National Forest: Mt. Baden Powell, N slope along trail to Vincent Gap 2134 Comment
  SEINET10938265  Cycas revoluta Carl C. Epling Epling s.n. Los Angeles Comment
  RSA772891  Cyclospermum leptophyllum LeRoy Gross 2011-5-16 5484 Los Angeles Claremont McKenna College, along N. Mills Ave., north of E 6th. street. Claremont. Near the Athletic department. 375 Comment
  SD139638  Cylindropuntia prolifera Jon P. Rebman, Jonathan Dunn 1996-4-29 3118 Los Angeles San Clemente Island: Eel Cove, coastal flats near Eel Point, on west side of island. (IPB 7/07) 10 Comment
  SEINET10669863  Cynara scolymus Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3746 Los Angeles City of Santa Monica. Trader Joe's: 3212 Pico Boulevard: Santa Monica, CA, 90405: (310) 581-0253 - phone. 30 Comment
  RSA660636  Cynodon dactylon Peter J. Estournes 1981-5-27 35 Los Angeles 2550 North Towne Avenue. Pomona. Comment
  SDSU982  Cynodon dactylon Gerald Collier 1951-5-10 M 47 Los Angeles 11621 Mayfield Ave, L.A. 49 Comment
  UC1334781  Cyperus eragrostis A. H. Gallup 1949-5-20 Los Angeles n.w. edge of lake Los Angeles State & County Arboretum (LASCA) Comment
  CAS-BOT-BC114414  Cyperus erythrorhizos F. R. Fosberg; J. Ewan 1931-8-10 4938 Los Angeles Wet soil along lakeshore Crystal Lake, N Fork San Gabriel. 1615 Comment
  UCR172291  Cyperus esculentus Anuja Parikh, Nathan Gale 2005-7-11 2137 Los Angeles Santa Clara River Valley, Newhall Ranch, N of the Santa Clara River, near Del Valle and the mouth of Chiquito Canyon, study area 29 274 Comment
  UCR218021  Cyperus odoratus A. C. Sanders, Dan S. Cooper 2010-8-5 38539 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  UC1063769  Cystopteris fragilis Jerome S. Horton 1936-4-28 316 Los Angeles above Falls Wolfskill Canyon; Pomona Quadrangle Comment
  CHSC95790  Datisca glomerata LeRoy Gross; Naomi Fraga, Steve Williams 2002-7-17 555 Los Angeles Transverse Ranges: Verdugo Mountains Region: North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road. 425 Comment
  RSA286787  Datisca glomerata R. F. Thorne, Larry E. DeBuhr 1974-6-28 44772 Los Angeles Datisca gully, c. 2 mi. S of Islip Saddle in steep gully on W-facing slope of Mt. Islip 1828 Comment
  SEINET12274408  Datura inoxia Unknown 1945-1 s.n. Los Angeles Eaton's Wash, Pasadena Comment
  UC520363  Datura stramonium Louis C. Wheeler 1932-10-29 1438 Los Angeles Atlantic Ave. ca 8 mi n Long Beach; n <of> Long Beach 45 Comment
  RSA594312  Datura wrightii Steve D. Boyd, Lauren Raz 1996-10-14 9044 Los Angeles Liebre Mountains region, Agua Dulce Canyon, just north of Highway 14 and the confluence with Escondido Canyon, along Agua Dulce Canyon Road. 671 Comment
  RSA647954  Datura wrightii Michelle Manolovitz, Brian Manolovitz 1992-5-19 25 Los Angeles Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 300 feet northwest of park office. Comment
  UC1349337  Daucus pusillus Robert F. Thorne and P. Everett 1965-6-22 34897 Los Angeles upper portion along roadside Avalon Canyon; Santa Catalina Isl., Avalon Canyon 274 Comment
  CAS-BOT-BC130910  Deinandra clementina Huron H. Smith 1912-5-31 5048 Los Angeles Pebble Beach Road, Santa Catalina Isl. 7 Comment
  SBBG12506  Deinandra clementina P. H. Raven 1962-7-11 18013 Los Angeles Wilson Cove 60 Comment
  CAS-BOT-BC299285  Deinandra fasciculata Alice Eastwood 1906-5-27 168 Los Angeles San Pedro, Country adjacent to Los Angeles Comment
  CATA29  Deinandra fasciculata USC Wrigley Interns: Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Miller Zou, Sarah Ratay 2011-7-1 12 Los Angeles Santa Catalina Island: Deer Valley Trail, Aspect: Northwest, Slope: approx. 30% 22 Comment
  RSA719492  Deinandra fasciculata Gary Kovnat, LeRoy Gross 2003-6-28 44 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. Comment
  LA93453  Deinandra fasciculata John O'Leary; Walt Westman 1975-7-7 418 Los Angeles Growing at he Institute of Environmental and Evolutionary Biology field station where planted as a fire retardent plant. UCLA Comment
  UC557780  Deinandra fasciculata Nell Murbarger 1936-5-1 215 Los Angeles n end of island mesa summit; San Clemente Island Comment
  UCR124392  Delphinium cardinale I. W. Clokey, B. C. Templeton 1929-1 4580 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  UC635339  Delphinium cardinale H. L. Mason 1927-6-15 3788 Los Angeles wash of the San Gabriel River Comment
  UC9227  Delphinium parishii Dr. A. Davidson 1895-1 Los Angeles Lancaster Comment
  UCR223537  Delphinium parishii R. G. Swinney 2009-5-27 10905 Los Angeles Transverse Range; San Gabriel Mtns., South Fork Little Rock Creek, road between Alder Saddle and road to Sulphur Springs Campground, 4 m above canyon bottom along roadside 1591 Comment
  CHSC95803  Delphinium parishii subsp. parishii LeRoy Gross 2005-5-3 2241 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
  UCD96272  Delphinium parryi Daryl Koutnik 1978-4-28 438 Los Angeles Cornell Corners, south of Agoura Road on Cornell Road. 304 Comment
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Oct 1 2018
  UCR140167  Delphinium parryi A. C. Sanders 2003-4-29 26183 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 457 Comment
  SD212710  Delphinium parryi subsp. parryi Anuja Parikh, Nathan Gale 2005-4-29 2109 Los Angeles Newhall Ranch, River Park area East of I-5, North of Santa Clara River and West of Bouquet Canyon 351 Comment
  CAS-BOT-BC116278  Delphinium parryi subsp. parryi George B. Grant 1904-6-17 6425 Los Angeles Pasadena; Arroyo Seca Canyon Comment
  UCR182494  Delphinium patens R. G. Swinney 1997-7-22 5700 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
  CAS-BOT-BC116392  Delphinium patens subsp. hepaticoideum T. Ross; Steve Boyd 1991-4-25 4611 Los Angeles San Gabriel Mtns: lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at ca. 1540 ft. elev.) 530 Comment
  LA52168  Delphinium patens subsp. hepaticoideum W. O. Griesel; 1936-4-25 Los Angeles SANTA MONICA MOUNTAINS, Elizabeth Lake. Comment
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Jul 14 2016
  POM14762  Dendromecon rigida Alice Eastwood 1906-1 s.n. Los Angeles Roscoe. Comment
  RSA433204  Dendromecon rigida C. R. Parks 1965-4-15 s.n. Los Angeles Angeles Forest Highway: 13 mi. S of Palmdale, in vicinity of Mill Creek Summit. 1372 Comment
  RSA128284  Dendromecon rigida subsp. rhamnoides H. J. Thompson 1959-3-27 1897 Los Angeles North slope 0.5 miles NE of Saddle Peak. 610 Comment
  RSA167794  Dendromecon rigida subsp. rhamnoides Robert F. Thorne, Percy C. Everett 1964-2-6 33435 Los Angeles Above airport road, central part of Santa Catalina Island. 457 Comment
  RSA230371  Dicentra chrysantha Robert F. Thorne, M. Z. Thorne 1969-7-10 38371 Los Angeles San Gabriel Mts., Angeles National Forest: along Mescal Creek 2027 Comment
  CATA581  Dichelostemma capitatum Mark L. Hoefs 1991-4-7 1020 Los Angeles Santa Catalina Island: By main road south-east of Cottonwood Beach 131 Comment
  UC450907  Dichelostemma capitatum Fay A. MacFadden 1931-3-18 7 E Los Angeles Tuna Canyon Verduga Hills Comment
  UCR108286  Dichelostemma capitatum Matilda Low 1997-3-16 21 Los Angeles Claremont, Bernard Biological Field Station (Claremont Colleges). NW corner of Mills Ave & Foothill Blvd. 412 Comment
  UCR125417  Dichelostemma capitatum A. C. Sanders, Mark Elvin 2003-3-5 25739 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
  CAS-BOT-BC499444  Dichelostemma capitatum R. M. Beauchamp 1967-1-28 144 Los Angeles Growing on slope west of the main road below Stone., San Clemente Island, Comment
  SDSU11605  Dichelostemma capitatum R. M. Beauchamp 1967-3-17 255 Los Angeles On grassy slope east of Wilson Cove area. San Clemente Island. Comment
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May 16 2008
  LA200922  Dichelostemma capitatum subsp. capitatum R. Brumbaugh; John O'Leary 1973-4-5 49 Los Angeles Comment
  RSA652081  Dichelostemma capitatum subsp. capitatum Frank W. Hedges 1948-5-9 sn Los Angeles One mile north of San Dimas Dam, on side of canyon road. 304 Comment
  SD86315  Dichelostemma capitatum subsp. capitatum R Mitchel Beauchamp, M. Douglas 1972-3-24 3211 Los Angeles In open area at turnoff for Lamar and Darter Stations, San Clemente Island. 60 Comment
  RSA652067  Dichelostemma capitatum subsp. capitatum Gerald F. Bliss 1948-4-22 sn Los Angeles 5 miles west of Covina. SE of California State Polytechnic College on side of hill. 244 Comment
  CAS-BOT-BC150816  Dichelostemma pulchellum A. C. Sanders; Helen Kennedy 2005-4-13 29454 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  IRVC27956  Dichelostemma pulchellum A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26117 Los Angeles Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam Western San Gabriel Mtns. 488 Comment
  CLARK-A1528-4584  Digitaria ischaemum John C. Roos, Alfred R. Roos 1950-9-16 4989 Los Angeles Los Angeles 60 Comment
  UCR124257  Digitaria ischaemum L. C. Wheeler 1966-10-27 s.n. Los Angeles San Gabriel Mtns, Angeles National Forest; Rincon Ranger Station [Camp Rincon] 473 Comment
  POM365100  Digitaria sanguinalis Robert Gustafson 1981-7-15 2341 Los Angeles Ballona Wetlands, Area 2. Comment
  RSA608254  Digitaria sanguinalis L. C. Wheeler 1966-10-25 9061 Los Angeles E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  CHSC3685  Diplacus longiflorus Mary MacArthur 1966-5-12 23 Los Angeles San Rafael Hills, Glendale College. 213 Comment
  CAS-BOT-BC150853  Diplacus puniceus Peter H. Raven 1962-5-20 17774 Los Angeles Santa Catalina Island: Avalon Canyon about 1 mile south of Avalon Comment
  SBBG131908  Diplacus puniceus S. A. Junak 2000-6-30 SCa 1361 Los Angeles N-facing slope just W of summit of Mt Torquemada and Triangulation Pt "Well 2" 402 Comment
  SEINET6056830  Diplotaxis tenuifolia Unknown 1946-11-11 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  UCR125175  Distichlis spicata A. C. Sanders, Mark Elvin 2002-6-25 25295 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  CAS-BOT-BC412626  Dodecahema leptoceras Alice Eastwood 1913-5-11 s.n. Los Angeles San Fernando Wash Comment
  LA81921  Dodecatheon clevelandii O. H. Kappler; 1941-2-9 87 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA461345  Dodecatheon clevelandii Ora M. Clark 1929-3-29 1797 Los Angeles East of Sandberg. Comment
  RSA461498  Dodecatheon clevelandii Bonnie C. Templeton 1931-3-29 s.n. Los Angeles Mandeville Canyon. Comment
  SBBG58454  Dodecatheon clevelandii subsp. clevelandii M. N. Ackley -Mar-1929 800 Los Angeles Eagle Rock 243 Comment
  UC1211152  Dodecatheon clevelandii subsp. clevelandii Huron H. Smith 1912-4-23 4818 Los Angeles Eagle Rock 213 Comment
  RSA461490  Dodecatheon clevelandii subsp. clevelandii Ella M. Kennedy 1923-2-18 s.n. Los Angeles San Gabriel Canyon Comment
  RSA286782  Draba albertina R. F. Thorne, Larry E. DeBuhr 1974-6-28 44748 Los Angeles ANGELES NATIONAL FOREST: Lily Springs area on N slope of Mt. Hawkins, drainage of S Fork Big rock Creek 2439 Comment
  UCD113101  Drymocallis glandulosa Kenneth A. Wilson 1961-3-10 961 Los Angeles Santa Monica Mountains. Old Topanga Canyon Road, ca. 1/4 mile W of Topanga Canyon Road. Comment
  RSA628805  Drymocallis glandulosa var. glandulosa Scott D. White, David E. Bramlet 1998-6-29 6834 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness; 4-mile closed section of Hwy. 39 from ca. 1.6 miles W of jctn. Crystal Lake access road to jct. Hwy 2. [Correct TRS should be 3N, 9W] 1707 Comment
  CAS-BOT-BC157705  Drymocallis glandulosa var. glandulosa Geo. B. Grant 1901-7-26 4468 Los Angeles Sturtevant's Camp Comment
  POM175573  Drymocallis glandulosa var. reflexa E. Crow 1930-6-29 s.n. Los Angeles Along trail between Camp Coldbrook and Pine Flats, San Gabriel Mountains. Comment
  RSA656480  Drymocallis glandulosa var. wrangelliana Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 725 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. 518 Comment
  RSA720488  Drymocallis lactea var. lactea R. G. Swinney 1997-8-6 5769 Los Angeles along Hwy 2 0.5 mi W of Big Pines (road junction) E of Jackson Lake 2024 Comment
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Mar 27 2014
  LA94253  Dryopteris arguta Lawrence L. Kiefer; 1966-4-30 1916 Los Angeles SANTA MONICA MOUNTAINS, Serrano Canyon Road, ca 2 mi W of Yerba Buena Rd. 396 Comment
  UC62808  Dryopteris arguta Ernest Braunton Jan. 1903 807 Los Angeles Arroyo Seco Comment
  RSA279050  Dryopteris arguta R. F. Thorne 1971-4-23 41469 Los Angeles San Gabriel Mountains, Angeles National Forest: Chantry Flats, along trail to Santa Anita Canyon 609 Comment
  RSA693696  Dryopteris arguta Thekla Mohr 1911-07 158 Los Angeles Los Angeles County Comment
  RSA762066  Dryopteris arguta Orlando Mistretta, Christine Mistretta 2008-5-16 3091 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 107 per TRTP Survey 2008), Upper Fish Canyon 1073 Comment
  SEINET10568355  Dryopteris arguta David B. Dunn 1937-2-28 Dunn s.n. Los Angeles Monrovia Canyon. Comment
  CAS-BOT-BC109478  Dudleya Mrs. C. E. Miller 1918-6-10 s.n. Los Angeles Santa Catalina Island. Comment
  RSA674722  Dudleya cymosa subsp. crebrifolia Scott D. White, Pam DeVries 2000-5-18 7902 Los Angeles San Gabriel Mts: Southern foothills above Irwindale. Fish Creek Cyn, from the mouth of the Canyon at CalMat quarry upstream to falls. 305 Comment
  CAS-BOT-BC428114  Dudleya cymosa subsp. cymosa Geo. B. Grant 1904-6-27 6311 Los Angeles Mt Lowe Comment
  SBBG129325  Dudleya cymosa subsp. pumila A. Parikh, N. Gale 2012-5-2 3575 Los Angeles W Fork San Gabriel River, 0.6 km E of Cogswell Dam 685 Comment
  UC933296  Dudleya cymosa subsp. pumila Reid Moran 1949-5-31 3271 Los Angeles Arroyo Seco 762 Comment
  UC2059989  Dudleya lanceolata K. Nakai 1981-6-24 778 Los Angeles Fish Canyon, San Gabriel Mountains, ca. 1.5 km from the mouth of Canyon. Comment
  RSA397771  Dudleya lanceolata Jack Rempel 1932-5-9 s.n. Los Angeles El Segundo. Comment
  CAS-BOT-BC109762  Dudleya virens subsp. virens Jim Dice; Michael Donoghue; Terry Martin 1983-5-20 349 Los Angeles Santa Catalina Island, on bluff 0.1 km. east of beach at Little Harbor. 22 Comment
  RSA0110600  Dysphania botrys Richard G. Swinney 2010-9-30 13914 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
  SEINET3156751  Dysphania pumilio Unknown 1906-10-4 7178 Los Angeles Pasadena; southern California Comment
  CAS-BOT-BC197141  Echinochloa crus-galli Louis C. Wheeler 1933-12-24 2341 Los Angeles San Dimas Canyon Dam, San Gabriel Mts Comment
  CAS-BOT-BC445603  Echinodorus berteroi Louis C. Wheeler 1951-8-20 6835 Los Angeles Pasadena; Devils Gate Dam. Comment
  SEINET3895860 Image available Echinodorus cordifolius Louis C. Wheeler 1949-6-22 6708 Los Angeles Altadena. Devil's Gate Dam.; 0 321 Comment
  RSA699875  Echium candicans LeRoy Gross 2004-3-19 1211 Los Angeles San Rafael Hills: North section of hills; Gate # 4 Along Ridge Motorway (dirt road) at corner of Camino San Rafael and Flintridge drive. 502 Comment
  RSA247433  Ehrharta calycina Jack Delaini 1974-4-5 90 Los Angeles San Gabriel Mountains: Lodi Canyon, San Dimas Experimental Forest, Angeles National forest. 366 Comment
  SBBG98663  Eleocharis macrostachya T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5182 Los Angeles Twin Dams at W of two earthen dams 473 Comment
  UCR203912  Eleocharis parishii R. G. Swinney 2005-7-21 8335 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
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May 10 2012
  UCR126358  Eleusine indica A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27132 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  SEINET251658  Elymus elymoides A. C. Sanders 2003-6-18 269472 Los Angeles Santa Susana Mountains, along road on crest of range from Salt Canyon, north of head of El Toro Canyon, Newhall Ranch, Simi Valley East 7.5 854 Comment
  RSA596421  Elymus elymoides subsp. californicus Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3358 Los Angeles Big Rock Creek Canyon: ca 120 m NNW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin). 1732 Comment
  UCR194581  Elymus glaucus R. G. Swinney 1998-7-29 6552 Los Angeles San Gabriel Mtns., c. 100 m downstream from Upper Fish Fork Campground 1817 Comment
  POM222281  Elymus glaucus subsp. glaucus L. C. Wheeler 1936-6-21 4162 Los Angeles W Fork Palmer Canyon, San Gabriel Mountains. 701 Comment
  SEINET4208562  Elymus glaucus subsp. glaucus Timothy S. Ross, Steve Boyd 1994-6-23 8028 Los Angeles Sawmill Mountain: 5514-ft summit and immediately adjacent slopes. Burnt Peak 7.5' USGS Quadrangle; 0 1664 Comment
  UCR210156  Elymus hispidus R. G. Swinney 2008-7-24 9355 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
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May 11 2012
  RSA608833  Elymus multisetus L. C. Wheeler 1968-7-2 s.n. Los Angeles San Gabriel Mountains: Bluebird Truck Trail, near Big Dalton Canyon. 731 Comment
  UCR256464  Elymus triticoides R. G. Swinney 2010-6-8 13187 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
  UC1595276  Elytrigia elongata Tim Ross and Peter Fritsch 1990-6-20 3689 Los Angeles ridgetop between W Fk San Gabriel River and Roberts Canyon (Rincon-Red Box Rd (2N24)); San Gabriel Mountains 1255 Comment
  LA81944  Emmenanthe penduliflora O. H. Kappler; 1941-5-25 277 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA401549  Emmenanthe penduliflora F. R. Fosberg 1930-7-3 s 3079 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  RSA654014  Emmenanthe penduliflora var. penduliflora Valerie L. Soza, Laura Moore 2000-5-10 848 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''. 564 Comment
  RSA712707  Encelia farinosa A. C. Sanders 2003-3-14 25751 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
  UCR146111  Encelia farinosa Michael Denslow, Steve Boyd 2003-5-7 1086 Los Angeles Transverse Ranges; San Gabriel Mountains region, Lower Glendora Ridge Motorway (1N26) above Azusa 518 Comment
  CAS-BOT-BC81808  Ephedra nevadensis Louis C. Wheeler 1932-4-10 602 Los Angeles 2 mi. W Palmdale, Mojave Desert 762 Comment
  HSC1317  Ephedra nevadensis L. S. Rose 1968-4-5 68013 Los Angeles Acton 823 Comment
  UC1134397  Ephedra nevadensis H. A. Jensen 1933-5-8 292 Los Angeles Mouth of Pallett Creek Rock Creek Quad., Mouth of Pallett Creek 1097 Comment
  OBI6200  Ephedra viridis Shirley Vaughan 1974-5-11 5 Los Angeles At 10th St. E and Kettering St, Lancaster, Ca 718 Comment
  UCR204819  Epilobium brachycarpum R. G. Swinney 2005-8-22 8515 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, lower Holcomb Canyon 1354 Comment
  CATA3510  Epilobium canum Julia Parish 2017-12-14 043 Los Angeles Santa Catalina Island: Pacific side; China Point watershed 145 Comment
  UCR141591  Epilobium canum June Latting 1978-9-16 s.n. Los Angeles San Gabriel Mountains, Whitethorn Spring [presumed near former Whitethorn Campground] on the Angeles Crest Highway 2317 Comment
  CAS-BOT-BC166190  Epilobium canum subsp. canum G. L. M. 1915-9-6 444 Los Angeles Above falls of Sawpit Canyon near Monrovia Comment
  POM145745  Epilobium canum subsp. canum Thomas Craig 1927-6-19 496 Los Angeles 10 miles west of Ravenna. Comment
  RSA609118  Epilobium canum subsp. canum Louis C. Wheeler 1968-8-22 s.n. Los Angeles San Gabriel Mountains: Roberts Canyon at Silver Fish Truck Trail. 640 Comment
  RSA448506  Epilobium canum subsp. latifolium N. R. Zabriskie, W. M. Zabriskie 1972-9-17 533 Los Angeles SE of S end Marion Ridge Road. Pine Cove, SW drainage San Jacinto Mountains. (T5S, R2E, ext. E-central portion sec. 11). 1921 Comment
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Mar 10 2013
  RSA448518  Epilobium canum subsp. latifolium Louis C. Wheeler 1931-9-20 153 Los Angeles Barret Canyon off San Antonio Canyon, San Gabriel Mountains 1311 Comment
  RSA756146  Epilobium canum subsp. latifolium R. G. Swinney 2008-7-13 9186 Los Angeles San Dimas Experimental Forest, middle fork of Bell Canyon at debris basin. 762 Comment
  UCR210222  Epilobium ciliatum R. G. Swinney 2008-8-14 9430 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek at South Fork Campground Spring 1402 Comment
  RSA639710  Epilobium ciliatum subsp. ciliatum Louis C. Wheeler 1968-6-14 s.n. Los Angeles San Gabriel Mountains: Spring on north side of Blue Ridge by Guffy camp. Comment
  RSA732917  Epilobium ciliatum subsp. ciliatum R. G. Swinney 1999-8-16 7653 Los Angeles Wrightwood area. Flume Canyon, spring c. 200m north if Guffy Camground. Spring on N-facing slope. 2445 Comment
  RSA802061  Epilobium ciliatum subsp. ciliatum Orlando Mistretta, Kristie Haydu 2011-7-20 5967 Los Angeles Arroyo Seco Canyon area. Angeles Crest Hwy near junction with Grizzly Flat Road. 902 Comment
  SD90321  Epilobium ciliatum subsp. ciliatum R. F. Thorne, M. Z. Thorne 1969-7-10 38415 Los Angeles San Gabriel Mountains; Angeles National Forest; moist sandhy flat along stream just east of Holiday Hill Ski area, Swarthout Valley. 1996 Comment
  UCR209603  Epilobium glaberrimum R. G. Swinney 2008-7-2 9139 Los Angeles San Gabriel Mtns., north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
  LA94794  Epipactis gigantea Peter H. Raven; Henry J. Thompson 1960-7-17 15541 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, 1.6 mi N of the Coast Hwy. 137 Comment
  SEINET10297476  Epipactis gigantea Unknown 1967-7-19 37192 Los Angeles SAN GABRIEL MTS., ANGELES NATIONAL FOREST: Big Cienega Springs above Crystal Lake Recreation Area, moist, mountainside meadow in yellow pine forest, elev. ca. 6500 ft. 1981 Comment
  CAS-BOT-BC57322  Equisetum laevigatum Samuel B. Parish 1895-11-23 3612 Los Angeles Arroyo Seco, Pasadena Comment
  POM352250  Eragrostis barrelieri Arthur Howe 1980-6-17 s.n. Los Angeles Ladera Heights Comment
  RSA608693  Eragrostis curvula L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: Divide between Oak Spring Canyon and Cottonwood Canyon, off Little Tujunga Canyon 822 Comment
  RSA421556  Eremocarpus setiger Samuel R. Tyson 1943-7-7 s.n. Los Angeles San Dimas Canyon 457 Comment
  RSA0041937  Eremogone macradenia var. arcuifolia Steve Boyd, Timothy S. Ross, Laura Moore, Valerie Soza 1997-7-8 10006 -A 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
  UC1122202  Eremothera boothii subsp. decorticans A. D. Gifford 1935-4-30 639 Los Angeles 6 mi wsw Manzana; Tejon Quadrangle Comment
  CAS-BOT-BC187954  Eriastrum rosamondense Ralph Hoffmann 1930-4-29 s.n. Los Angeles Lancaster Comment
  LA52315  Eriastrum sapphirinum M. Zaitlin; 1951-5-18 sn Los Angeles Comment
  UCR192816  Eriastrum sapphirinum Dan S. Cooper 2008-4-21 s.n. Los Angeles Western Transverse Range, mesa along north side of Santa Clara River, 1 km west of Sand Canyon Rd., Santa Clarita 470 Comment
  RSA0110985  Eriastrum sapphirinum subsp. brevibracteatum R. G. Swinney 1997-7-17 5690 Los Angeles 0.5 mi. N of smiit of Table Mountain, NW of Wrightwood; 0.8 mi. NE of FS Rd. 4N21 (paved) on 4N21B 2134 Comment
  RSA0122865  Eriastrum sapphirinum subsp. brevibracteatum R. G. Swinney 2009-6-17 11180 Los Angeles Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  SBBG125870  Eriastrum sapphirinum subsp. dasyanthum A. Parikh, N. Gale 2010-6-10 3272 Los Angeles Sierra Pelona, NW of Vincent and Soledad Pass, 2.8 km NW of State Hwy 14; E Liebre Mtns 1106 Comment
  CAS-BOT-BC514966  Eriastrum sapphirinum subsp. dasyanthum John Thomas Howell 1928-6-10 3879 Los Angeles San Gabriel Mts: Monrovia Canyon, near Deer Park Comment
  RSA670693  Ericameria cooperi B. C. Templeton 1947-5-21 6279 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  SBBG62818  Ericameria cooperi var. cooperi R. Hoffmann 1927-6-12 Los Angeles Pine Cyn Comment
  SD42003  Ericameria cooperi var. cooperi Darley F. Howe 1947-5-4 Los Angeles Highway east of Mint Canyon. Comment
  RSA747363  Ericameria cuneata Orlando Mistretta 1994-7-12 1397 A Los Angeles Transverse Ranges; San Gabriel Mtns region: Along trail, S. Fork of Big Rock Creek. Surveying from Reed Spring to Islip Saddle. Near Reed Spring 1829 Comment
  JEPS19136  Ericameria cuneata var. cuneata Frank W. Peirson 1918-9-7 222 Los Angeles trail from Mt. Lowe to Mt. Wilson; San Gabriel Mountains 1615 Comment
  UCR149345  Ericameria linearifolia R. G. Swinney 1998-4-14 5995 Los Angeles San Gabriel Mtns., Pinon Hills area, 0.7 miles west of 237th St. at Panarama Rd., NW of mouth of Mescal Cyn., Mescal Highlands, 2.7 miles south of Ft. Tejon Rd. 1402 Comment
  UCR206431  Ericameria linearifolia R. G. Swinney 2008-6-10 8979 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1943 Comment
  UCR240026  Ericameria nauseosa R. G. Swinney 2009-11-13 11600 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Little Rock Creek and Carr Canyon, N of Mt. Emma Rd. 909 Comment
  RSA734391  Ericameria nauseosa var. hololeuca D. M. McFadden 1954-10-7 s.n. Los Angeles Southeast corner of 10th E. and J, Lancaster 823 Comment
  UC203111  Ericameria nauseosa var. hololeuca H. M. Hall 1917-10-26 10577 Los Angeles near High School; Lancaster Comment
  RSA547467  Ericameria parishii var. parishii Timothy S. Ross, Orlando Mistretta 1992-7-24 6742 Los Angeles NNE of Strawberry Peak between Colby Ranch and W branch of Wickiup Cyn stream 1207 Comment
  RSA52939  Ericameria pinifolia George T. Hastings 1950-7-22 s.n. Los Angeles Elizabeth Lake Canyon. Comment
  RSA612654  Ericameria pinifolia Anna Christensen 1997-4-2 7 Los Angeles E. L.A County, Claremont Bernard Biological Station (Claremont Colleges) NW corner of Mills Ave. and Foothill Blvd., 50 yards E. and 70 yards N of gate to Rancho Santa Ana Botanic Garden greenhouse facilities just e. of disturbed path. 412 Comment
  UC1536031  Ericameria pinifolia Robert F. Thorne, M. Z. Thorne 1966-11-1 41378 Los Angeles near Mt. Baldy Village; San Gabriel Mts., Angeles National Forest, San Antonio Canyo Comment
  OBI16775  Ericameria teretifolia Robert F. Hoover 1966-10-16 10193 Los Angeles 3 mi S of Palmdale Comment
  UC1375267  Erigeron breweri var. jacinteus Robert F. Thorne 1971-8-25 41242 Los Angeles s ridge of summit of Mt. Baden-Powell; San Gabriel Mts., Angeles National Park, Mt. Baden-Powell 2804 Comment
  LA88391  Erigeron foliosus O. H. Kappler; 1944-7-4 693 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UCR149504  Erigeron foliosus var. foliosus Valerie Soza, Ian G. Gillespie, LeRoy Gross 2000-5-18 947 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, SW of Johnstone Peak, above Wildwood Canyon 655 Comment
  OBI70311  Erigeron foliosus var. foliosus Louis C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mts; N side of Burkhart Saddle. T4N R10W SE 1/4 sec 35 2103 Comment
  LA205562  Eriodictyon crassifolium Carl Epling; May 1925 sn Los Angeles Arroyo Seco Comment
  RSA582237  Eriodictyon crassifolium var. crassifolium Louis C. Wheeler 1933-6-24 1882 Los Angeles Verdugo Creek, Verdugo Hills. 534 Comment
  CAS-BOT-BC189113  Eriodictyon crassifolium var. crassifolium Ynez Whilton Winblad 1937-4-26 s.n. Los Angeles Ridge Route Comment
  RSA303486  Eriodictyon traskiae E. R. Blakley 1962-10-5 5430 Los Angeles NE side of Black Jack Mt. at Jct of Island Road and Whites Landing Road 381 Comment
  SBBG13123  Eriodictyon traskiae E. R. Blakley 1962-10-3 5390 Los Angeles E side of Black Jack Mtn at the start of rd to White's Landing 411 Comment
  CAS-BOT-BC222683  Eriodictyon trichocalyx Tim Ross; Steve Boyd 1991-4-25 4579 Los Angeles San Gabriel Mtns: Steep slope dropping S from Doe Flat toward Graveyard Canyon (which drains to the lower E Fk of the San Gabriel River) 829 Comment
  RSA0091531  Eriodictyon trichocalyx subsp. trichocalyx R. G. Swinney 2011-6-14 15127 Los Angeles Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  CAS-BOT-BC219334  Eriodictyon trichocalyx var. trichocalyx Geo. B. Grant 1902-6-25 s.n. Los Angeles San Gabriel Canon [Canyon] 457 Comment
  RSA455066  Eriodictyon trichocalyx var. trichocalyx Robert M. Perkins 1936-5-23 266 Los Angeles San Gabriel Canyon. Comment
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Dec 15 2011
  RSA455073  Eriodictyon trichocalyx var. trichocalyx Bonnie C. Templeton 1933-7-21 5053 Los Angeles east Blue Ridge, Big Pines Park. 2134 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
  UC545884  Eriogonum angulosum Carl B. Wolf 1932-10-21 4362 Los Angeles 1/2 mi e Palmdale; Mojave Desert 1112 Comment
  RSA596218  Eriogonum brachyanthum Tim S. Ross, S. D. Boyd, Peter Fritsch 1990-6-11 3403 Los Angeles San Gabriel Mountains, Little Rock Creek: Joshua tree Campground on SW side of Little Rock Creek reservoir 997 Comment
  RSA393136  Eriogonum cinereum Anstruther Davidson 1910-7-5 2498 Los Angeles Redondo bluffs. Comment
  UC1032016  Eriogonum cinereum P. L. Johannsen 1934-1-11 223 Los Angeles Las Flores Canyon Calabasas Quadrangle, Las Flores Canyon Comment
  RSA782516  Eriogonum cithariforme Anna Kostikova, Glenn Litsios, Sarah Burgy 2010-6-16 14 Los Angeles road 7N23 turn from road 7N08. Comment
  RSA165688  Eriogonum cithariforme var. agninum Wesley O. Griesel, B. Miller 1963-7-2 s.n. Los Angeles Sawmill Campground, Sawmill Mt. 1677 Comment
  POM2280  Eriogonum davidsonii I. M. Johnston 1917-7-3 1406 Los Angeles San Antonio Canyon 1829 Comment
  RSA641381  Eriogonum davidsonii Orlando Mistretta 1995-6-23 1826 Los Angeles San Gabriel Mountains: Lookout Mt. Trail. Orobanche valida survey site 1. 1829 Comment
  SBBG125873  Eriogonum davidsonii A. Parikh, N. Gale 2010-6-10 3275 Los Angeles Sierra Pelona, NW of Vincent and Soledad Pass, 2.7 km NW of State Hwy 14; E Liebre Mtns 1104 Comment
  UCD170250  Eriogonum davidsonii R. G. Swinney 2008-5-13 8854 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, Holcomb Canyon, 0.5 mi. south of Big Rock Creek Rd. 1293 Comment
  UCD99870  Eriogonum davidsonii R. N. Raynor 1938-6-1 s.n. Los Angeles between Little Rock and Cajon. Comment
  RSA191369  Eriogonum davidsonii Robert F. Thorne, M. Z. Thorne 1967-7-19 37147 Los Angeles Angeles National Forest: Crystal Lake Recreation area, just above junction of roads to Crystal Lake and Angeles Crest Hwy. 1555 Comment
  SBBG125855  Eriogonum deflexum var. baratum A. Parikh, N. Gale 2010-6-2 3246 Los Angeles Sierra Pelona, 4 km W of State Hwy 14, 2.2 km SW of California Aqueduct; E Liebre Mts 1143 Comment
  RSA393299  Eriogonum elongatum C. M. Dammers 1933-10-28 s.n. Los Angeles Point Firman. Comment
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May 27 2013
  CAS-BOT-BC249764  Eriogonum elongatum var. elongatum Geo. B. Grant 1901-9-19 s.n. Los Angeles Pasadena Comment
  RSA0035189  Eriogonum fasciculatum Geraldine Dodd 1992-5-2 4 Los Angeles 3.5 miles north of corner of Loma Alta Dr. and Lake Ave. in Altadena. Sam Merrill hiking trail. San Gabriel Mts. 1219 Comment
  SEINET3124346 Image available Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-4-29 10566 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert: Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence (Palmdale 7.5' Q). 945 Comment
  UCR140596  Eriogonum fasciculatum subsp. polifolium Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-16 1- 3 Los Angeles Western Transverse Range, Acton [near Red Rover Mine], Escondido Canyon off Route 14, Site L1 950 Comment
  CHSC62047  Eriogonum fasciculatum var. fasciculatum L. P. Janeway 1993-10-5 4608 Los Angeles Puente Hills; at the head of Arroyo San Miguel. South-facing slope. 228 Comment
  POM156527  Eriogonum fasciculatum var. foliolosum L. R. Abrams 1902-7-3 2643 Los Angeles San Gabriel Mountains Comment
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Dec 23 2014
  RSA533517  Eriogonum fasciculatum var. foliolosum Tim S. Ross 1991-3-9 4164 Los Angeles Whittier Hills (Puente Hills, pro parte): head of Oak Cyn, SE side of ridgetop knoll. 366 Comment
  RSA598266  Eriogonum fasciculatum var. foliolosum R. G. Swinney 1989-11-24 1474 Los Angeles San Gabriel Mountains: in and near Glendora Wilderness Park, Big Dalton Canyon, 1.2 mi. NE of Glendora Mountain Road on Big Dalton Canyon Road. 442 Comment
  UCSB1417  Eriogonum fasciculatum var. foliolosum White, Arthur 1960-5-13 Los Angeles Next to Hwy. 138, 1 mi. W of Pearblossom; Mojave desert Comment
  CAS-BOT-BC250122  Eriogonum fasciculatum var. polifolium C. F. B. 1908-8-2 3454 Los Angeles San Antonio Canon [Canyon] near Claremont Comment
  UC625056  Eriogonum giganteum F. R. Fosberg 1931-7-9 S 5358 Los Angeles Avalon Santa Catalina Island, Avalon 30 Comment
  RSA393372  Eriogonum giganteum var. giganteum George B. Grant 1906-9-1 1471 Los Angeles Santa Catalina Island Comment
  RSA393377  Eriogonum giganteum var. giganteum M. B. Dunkle 1928-5-27 1972 Los Angeles Hamilton Canyon; San Clemente Island 15 Comment
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Jun 5 2014
  SEINET3159960  Eriogonum gracile G. B. Grant 1904-9-15 450 -6422 Los Angeles Pasadena Comment
  RSA766140  Eriogonum gracile Delzie Demaree 1933-10-7 10538 Los Angeles Los Angeles. Comment
  RSA393254  Eriogonum gracile var. gracile I. M. Johnston 1918-9-1 2134 Los Angeles San Antonio Mountains: Browns Flat 1311 Comment
  RSA393233  Eriogonum gracile var. gracile Robert Gustafson 1981-7-15 2338 Los Angeles Ballona Wetlands, Area 2. Comment
  RSA620019  Eriogonum gracile var. gracile LeRoy Gross 1998-11-21 105 Los Angeles San Gabriels Mountains.: Above Henninger Flats. On the Idlehour Trail. 976 Comment
  RSA572345  Eriogonum microtheca var. corymbosoides R. T. Hawke 1994-9-11 73 Los Angeles Upper Fork of Little Rock Creek ( near Hwy 2). Comment
  RSA0086579  Eriogonum mohavense Bonnie C. Templeton 1971-5-16 11615 Los Angeles About 7 mi. n.e. of Palmdale. 815 Comment
  SBBG1551  Eriogonum mohavense H. and M. Dearing 1949-4-27 6760 Los Angeles W Mojave Desert [near Lancaster?] Comment
  SBBG64121  Eriogonum nudum R. Hoffmann 1929-11-11 Los Angeles Little Rock Dam Comment
  RSA585766  Eriogonum nudum var. pauciflorum Orlando Mistretta 1995-7-11 1890 Los Angeles San Gabriel Mountains. Santiago Canyon. North slope of Pacifico Mountain, near summit. 2073 Comment
  CAS-BOT-BC258576  Eriogonum ordii Ralph Hoffmann 1930-6-7 s.n. Los Angeles Piru Creek Comment
  UCR259614  Eriogonum parishii R. G. Swinney 2010-9-7 13708 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  RSA680102  Eriogonum pusillum LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 889 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway. 1143 Comment
  SD231415  Eriogonum pusillum Sula Vanderplank, Leroy Gross & Steve Hoskinson 2005-5-6 50506 46 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
  RSA579581  Eriogonum roseum Tim S. Ross, S. D. Boyd 1994-9-21 8281 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1677 Comment
  CAS-BOT-BC267608  Eriogonum saxatile Noel H. Holmgren; James L. Reveal 1966-5-30 2613 Los Angeles Tujunga Creek Canyon, San Gabriel Mountains 1036 Comment
  POM2308  Eriogonum thurberi I. M. Johnston 1917-5-13 978 Los Angeles In San Gabriel Wash. 152 Comment
  UC61704  Eriogonum umbellatum var. subaridum Geo. R. Hall Sept. 1904 Los Angeles Swartout Canyon San Antonio Mts., Swartout Canyon 2133 Comment
  POM122957  Eriogonum wrightii var. subscaposum Marcus E. Jones 1926-9-12 s.n. Los Angeles Swartout Valley. Comment
  POM357929  Eriophyllum confertiflorum D. S. Krause 1939-07 s.n. Los Angeles Roadside ditch, Pasadena Comment
  SD90436  Eriophyllum confertiflorum Donald R. Bissing 1973-5-18 74 Los Angeles Evey Canyon, San Gabriel Mountains. 775 Comment
  UCR205459  Eriophyllum confertiflorum R. G. Swinney 2008-5-2 8726 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  RSA590557  Eriophyllum confertiflorum var. confertiflorum Timothy S. Ross, Walter Appleby 1993-5-20 7187 Los Angeles Western San Gabriel Mountains: vicinity of Wilson Canyon Saddle 951 Comment
  SBBG101157  Eriophyllum confertiflorum var. confertiflorum T. Ross 1992-4-14 6156 Los Angeles just below the mouth of Nanny Cyn 137 Comment
  SBBG98537  Eriophyllum confertiflorum var. confertiflorum T. Ross 1991-5-21 5422 Los Angeles upper reaches of Box Cyn, SW side of island 365 Comment
  RSA0017049  Eriophyllum confertiflorum var. confertiflorum A. D. E. Elmer 1902-06 3712 Los Angeles Acton, Mt. Gleason. Comment
  CAS-BOT-BC308359  Eriophyllum nevinii Herman Knoche 1919-6-25 898 Los Angeles Avalon, S. Catalina Island Comment
  CAS-BOT-BC308368  Eriophyllum nevinii Alice Eastwood 1917-7-25 6448 Los Angeles Santa Catalina Isl. Comment
  UCR220344  Erodium botrys D. E. Bramlet, Mike Ahmer 2005-4-14 3792 B Los Angeles Los Angeles Basin Region, Puente Hills in La Habra Heights, main drainage of Powder Canyon, c. 547 ft. east of Skyline Drive and 1460 ft. north of Fullerton Rd. 249 Comment
  UCR107036  Erodium brachycarpum R. G. Swinney 1969-4-22 s.n. Los Angeles San Gabriel Valley, N and adjacent to Barnes Park along Rivergrade Rd., Baldwin Park. c. 200 yards east of San Gabriel River Channel. 91 Comment
  RSA710831  Erodium cicutarium LeRoy Gross 2005-5-3 2213 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  SD30964  Erodium cicutarium Edith A. Purer 1931-4-28 1761 Los Angeles Palos Verdes Hills Comment
  RSA675808  Erodium moschatum LeRoy Gross 2003-3-7 761 Los Angeles 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. 564 Comment
  HSC24313  Erysimum capitatum var. capitatum William Holbrook 1967-4-15 59 Los Angeles 18 mi. NW of Palmdale on Munz Canyon Rd. in Mojave Desert 793 Comment
  RSA530261  Erysimum capitatum var. capitatum Ora M. Clark 1929-3-30 s.n. Los Angeles W. of Lancaster Comment
  UCR200153  Erysimum capitatum var. capitatum Valerie Soza, Shalini Deo, Stephen Dreher 2000-4-27 797 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
  RSA530287  Erysimum capitatum var. capitatum M. B. Dunkle 1933-7-11 3644 Los Angeles Upper San Gabriel Canyon, above dams; Cold Brook Camp. Comment
  SEINET198132  Erythraea venusta G. B. Grant 1901-1 441 Los Angeles Oak Knoll, Pasadena, Cenrtal and S. Calif. Comment
  CHSC37355  Erythranthe cardinalis T. P. Spira 1976-7-12 62 Los Angeles White Fir Springs, off of Angeles Crest Hwy (2), Angeles National Forest. 1828 Comment
  SBBG31157  Erythranthe cardinalis R. F. Thorne 1966-6-1 36506 Los Angeles lower end of Cape Cyn above jct with Middle Ranch Cyn 236 Comment
  CAS-BOT-BC153584  Erythranthe moschata Louis C. Wheeler 1968-6-14 s.n. Los Angeles San Gabriel Mountains: Spring on north side of Blue Ridge by Guffy camp Comment
  POM310  Eschscholzia P. A. Munz 1918-3-28 2004 Los Angeles Small canyon: 3 mi. N of Claremont, near Palmer's Canyon Comment
  UC1614259  Eschscholzia Charles M. Belshaw 1935-3-29 Los Angeles ca. 20 mi. w. Lancaster (on s. face of La Liebre Scarp); w. antelope Valley, La Liebre Scarp Comment
  UC855142  Eschscholzia caespitosa Ira W. Clokey, B. Templeton 1929-4-9 4473 Los Angeles Mandeville Canyon Santa Monica Mountains (ridge) 400 Comment
  CAS-BOT-BC403181  Eschscholzia californica Le Roy Abrams 1901-4-4 1319 Los Angeles San Fernando Valley Comment
  LA82465  Eschscholzia californica O. H. Kappler; 1944-4-30 595 Los Angeles Santa Monica Mountains, Escondido Canyon 761 Comment
  RSA171450  Eschscholzia californica Mark Parratt 1963-5-4 538 Los Angeles Temblor range,Tejon Ranch, 2 miles E on 138 from U. S. 99 1220 Comment
  SBBG31020  Eschscholzia californica R. F. Thorne 1966-4-28 Los Angeles above upper end of Renton Mine Rd, Pebbly Beach Cyn 274 Comment
  CAS-BOT-BC403180  Eschscholzia californica Le Roy Abrams 1899-3-1 232 Los Angeles University Comment
  OBI4995  Eschscholzia californica Bill Arbaugh 1966-4-16 24 Los Angeles W on 138 from Lancaster 884 Comment
  RSA225739  Eschscholzia californica var. peninsularis Robert F. Thorne, A. C. Gibson 1971-5-22 39712 Los Angeles San Gabriel Mountains: Near mouth of Fish Canyon. 244 Comment
  RSA596008  Eschscholzia californica var. peninsularis Tim S. Ross, J. Mark Porter 1995-5-4 8460 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  UCR190462  Eschscholzia minutiflora R. G. Swinney 2001-4-18 7887 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap, east of Bobs Gap Road at base of ridge 1223 Comment
  CAS-BOT-BC92217  Eschscholzia ramosa Carl B. Wolf 1932-5-9 3492 Los Angeles Santa Catalina Island. Along road to Renton Mine, about due west of Pebbly Beach. 304 Comment
  UCR214608  Eucalyptus globulus A. C. Sanders, Dan S. Cooper 2010-4-30 38116 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  LA201635  Eucalyptus globulus Arthur C. Gibson; 2004-1-17 4997 Los Angeles Santa Monica Mountains, Franklin Canyon, near main parking lot above reservoir Comment
  RSA595007  Eucrypta chrysanthemifolia Mark Hoefs, Robert F. Thorne 1996-4-6 2636 Los Angeles Santa Catalina Island. End of Renton Mine Road. 268 Comment
  UC1211091  Eucrypta chrysanthemifolia Huron H. Smith 1912-5-31 5066 Los Angeles Santa Catalina Island, Pebble Beach Road Santa Catalina Island; , Pebble Beach Road 30 Comment
  RSA549583  Eucrypta chrysanthemifolia Tim S. Ross 1991-3-10 4217 Los Angeles Claremont: Bernard Field Station, on E side of RSA 392 Comment
  UCR200127  Eucrypta chrysanthemifolia var. chrysanthemifolia Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 762 Los Angeles Transverse Ranges; Verdugo Mountains, south side, above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Motorway 488 Comment
  OBI69418  Eucrypta chrysanthemifolia var. chrysanthemifolia Dominique Joyner 1994-4-23 17 Los Angeles Santa Monica Mts. Mulholland 0.3 mi in on Stunt Rd from Mulholland hwy area has been burned within the last 2 yrs 1500 Comment
  CHSC95849  Eulobus californicus LeRoy Gross; Laura Moore 2000-6-5 201 Los Angeles Verdugo Mountains: Canyon east of Brand Canyon by the Brand Lateral Trail, out of Brand Park, north of corners of Grandview and Mountain, Glendale. 274 Comment
  SFV2531  Eulobus californicus M. L. Vincent 1962-4-6 162 Los Angeles Santa Monica Mountain Old Topanga Canyon Road, 3 miles south of Ventura Blvd. Hillside. 400 Comment
  UCR255849  Eulobus californicus R. G. Swinney 2010-5-4 12484 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  SEINET3995123  Eulobus californicus G. B. Grant 430 Los Angeles Pasadena Comment
  SD232240  Euphorbia graminea Justin M. Wood 2009-1-3 281 Los Angeles San Gabriel Valley: City of Monrovia, residential property on El Nido Ave. 170 Comment
  UCR66531  Euphorbia helioscopia L. C. Wheeler 1933-7-14 01936 Los Angeles San Gabriel Valley, Potrero Chico near Rio Hondo 69 Comment
  LA201912  Euphorbia lathyris Arthur C. Gibson; 2003-6-14 4978 Los Angeles Simi Hills, NW corner of Box Canyon Rd. at Valley Circle Blvd, opposite Chatsworth Reservoir, new Chatsworth Lake Manor Comment
  LA34243  Euphorbia peplus Peter H. Raven; 1959-10-9 14612 Los Angeles University of California, West Los Angeles 129 Comment
  RSA670299  Euphorbia peplus Joseph M. Keefe 2001-3-19 31184 Los Angeles San Rafael Mountains. 20 meters north of Glenoaks Boulevard, 150 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, CA 91208. 488 Comment
  UCR260030  Euphorbia peplus R. G. Swinney 2010-4-21 12325 Los Angeles San Gabriel Mountains, Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash 457 Comment
  RSA226202  Euphorbia peplus Gary D. Cromwell 1971-5-14 652 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mtns. 2 mi. NE of Glendora. Comment
  RSA600262  Euphorbia peplus L. C. Wheeler 1947-2-5 6456 Los Angeles San Gabriel Mountains. San Antonio Wash ca. 1/4 mi. downstream from Evey Canyon. Comment
  RSA609013  Euphorbia serpillifolia L. C. Wheeler 1931-1 s.n. Los Angeles La Verne. Comment
  SEINET12803702  Euphorbia serpillifolia A. C. Sanders, Mark Elvin 2003-1 27167 Los Angeles NE end of Santa Susana Mtns. Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of May Spur 267 Comment
  RSA187870  Euphorbia spathulata R. F. Thorne 1966-4-4 35774 Los Angeles Santa Catalina Island. Blue Cavern Point, NE of Isthmus Cove. 30 Comment
  UCR90485  Euphorbia terracina D. L. Koutnik 1996-3-14 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Corral Canyon Road c. 0.25 mi. north of Pacific Coast Hwy (=Hwy 1), at crossing of Solstice Canyon. 10 Comment
  PASA2704  Eurotia lanata Margaret Stason 1930-5-18 Los Angeles Near Lancaster Comment
  UC53980  Euthamia occidentalis H. P. Chandler 1902-9-9 2039 Los Angeles Ballona Marshes Comment
  UCR241594  Festuca arundinacea D. E. Bramlet 1982-5-17 1096 Los Angeles San Gabriel Valley, Walnut, 30 acre parcel near intersection of La Puente Rd. and Lemon Ave., along Lemon Creek 174 Comment
  SEINET3196467 Image available Festuca microstachys R. G. Swinney 2009-4-2 10249 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert; Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road. (Valyermo 7.5' Q.) 1223 Comment
  RSA599728  Ficus carica Louis C. Wheeler 1968-9-3 s.n. Los Angeles San Gabriel Mountains: Cattle Canyon; ca 0.6 miles east (airline) of Camp Bonito. 625 Comment
  SEINET10621140  Ficus carica Mary Merello, Heidi H. Schmidt 1999-12-7 Merello 2651 Los Angeles City of Glendale. Ara Deli, Armenian & Middle Eastern Foods, 1021 E. Broadway. Comment
  UCR267273  Ficus microcarpa R. E. Riefner Jr. 2014-7-13 14- 245 Los Angeles City of San Pedro, Port of Los Angeles, near Los Angeles Maritime Museum, Sampson Way at West 6th St. 1 Comment
  RSA661069  Filago arizonica Orlando Mistretta 1992-4-5 177 Los Angeles Guds, San Clemente Island. Comment
  RSA0020289  Filago californica Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5103 Los Angeles San Gabriel Mountains region: Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA0045268  Filago californica R. G. Swinney 2010-3-22 12013 Los Angeles West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  RSA638943  Filago californica L. C. Wheeler 1967-5-15 9563 Los Angeles Ridge immediately east of Fremont Pass. 579 Comment
  UCR127904  Filago californica A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26100 Los Angeles Western San Gabriel Mtns., Newhall Ranch, Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon 457 Comment
  UCR241090  Filago californica Jeremiah George 2012-5-15 s.n. Los Angeles Western Transverse Range/San Gabriel Mtns., Santa Clarita, Bee Canyon just north of Soledad Canyon Road, SE of Hwy 14, west side of wash 537 Comment
  RSA719497  Filago gallica Gary Kovnat, LeRoy Gross 2004-4-25 50 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. Comment
  RSA393740  Filago gallica L. C. Wheeler 1934-4-27 2521 Los Angeles Liveoak Canyon, San Gabriel Mountains. 488 Comment
  SBBG11101  Foeniculum vulgare D. E. Breedlove 1961-9-23 1289 Los Angeles Middle Ranch Crk, 1 mi from ocean 91 Comment
  LA51816  Foeniculum vulgare Harvey Anderson; August 1931 sn Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek Comment
  SBBG59682  Foeniculum vulgare M. N. Ackley -Dec-1929 1123 Los Angeles Los Angeles 121 Comment
  CAS-BOT-BC52541  Frangula californica subsp. californica Le Roy Abrams 1901-4-7 1427 Los Angeles Arroyo Seco - above Devil's Gate, Pasadena Comment
  CAS-BOT-BC53331  Frangula californica subsp. cuspidata Carl B. Wolf 1936-5-27 7843 Los Angeles San Gabriel Mts., Indian Canyon Camp, 2 mi. off Soledad Canyon 914 Comment
  RSA799687  Frangula californica subsp. tomentella Pam De Vries 2013-4-3 7831 Los Angeles Tehachapi Muntains/Western Transverse Range (Gorman Hills). About 0.5 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Rd. 1032 Comment
  CAS-BOT-BC223746  Frankenia salina D. E. Breedlove 1961-9-24 1280 Los Angeles Ballast Point, S side of Catalina Harbor; Santa Catalina Island Comment
  CATA3205  Frankenia salina Julie L. King 2016-11-22 24 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
  UC557791  Frankenia salina Nell Murbarger May 1936 216 Los Angeles n end San Clemente Island 30 Comment
  UCD121451  Frasera speciosa Mrs. Griffin 1934-6-1 s.n. Los Angeles Silver Lake. Comment
  SJSU1843  Fraxinus dipetala C. W. Sharsmith 1957-4-13 6378 Los Angeles c. 4 mi S of Gorman 822 Comment
  CAS-BOT-BC211007  Fraxinus velutina Louis C. Wheeler 1933-3-26 1556 Los Angeles San Gabriel Canyon, San Gabriel Mts. 304 Comment
  SBBG27174  Fremontodendron californicum V. Duran 1933-7-11 3510 a Los Angeles Sulphur Springs 1600 Comment
  SBBG72771  Fremontodendron californicum Anstruther Davidson -Jul-1893 Los Angeles Big Rock Crk Comment
  RSA17058  Fremontodendron californicum subsp. californicum Carl B. Wolf 1936-5-27 7861 Los Angeles San Gabriel Mountains, Aliso Canyon to Buckhorn Flats Road, 8 miles above Tie Camp summit. 1677 Comment
  RSA614808  Fremontodendron californicum subsp. californicum Louis C. Wheeler 1953-3-1 7032 Los Angeles 1415 Valley View, Glendale. Comment
  RSA68729  Fritillaria biflora Frank W. Peirson 1676 Los Angeles Wash of Arroyo Seco, Pasadena Comment
  RSA641696  Fritillaria pinetorum Orlando Mistretta 1993-6-2 870 Los Angeles San Gabriel Mountains: Vincent Gulch Trail 1945 Comment
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Oct 5 2009
  CAS-BOT-BC304333  Galinsoga parviflora Louis C. Wheeler 1934-2-24 2385 Los Angeles 1.5 miles N Claremont 365 Comment
  RSA9649  Galinsoga parviflora var. parviflora L. C. Wheeler 1932-11-6 1446 Los Angeles Garey Ave. 3 mi N Pomona 305 Comment
  POM367623  Galium H. L. Bauer 1932-4-16 15351 Los Angeles Topanga Canyon. Comment
  JEPS5198  Galium angustifolium subsp. angustifolium Rimo Bacigalupi with G. T. Robbins and L. R. Heckard 1953-6-14 4195 Los Angeles near confluence with Kitter Canyon (n edge of mts); Angeles National Forest, San Gabriel Mts., Little Rock Creek 1219 Comment
  POM367657  Galium angustifolium subsp. angustifolium F. R. Fosberg 1931-5-14 S 4870 Los Angeles Santa Catalina Island. Middle Ranch Canyon, above ranch. 220 Comment
  UC1594363  Galium angustifolium subsp. angustifolium Tim Ross 1992-5-17 6343 Los Angeles center w side San Gabriel Reservoir (short easterly spur canyon along Hwy 39); San Gabriel Mountains 463 Comment
  JEPS56097  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and Clare Hardham 1965-6-16 4116 Los Angeles Angeles Crest Hwy 0.7 mi w Mt. Wilson turn-off; San Gabriel Mountains Comment
  RSA191165  Galium angustifolium subsp. gabrielense Robert F. Thorne, M. Z. Thorne 1967-7-19 37168 Los Angeles Angeles National Forest: Big Cienega Springs above Crystal Lake Recreation Area. 1982 Comment
  UCR271079  Galium angustifolium subsp. gracillimum R. G. Swinney 2011-6-14 15131 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  POM296481A  Galium aparine Lyman D. Benson 1945-5-21 11725 Los Angeles Claremont: Indian Hill. Pacific Slope Drainage Area. 396 Comment
  RSA0098766  Galium aparine R. G. Swinney 2011-5-6 14597 Los Angeles San Gabriel Mountains: north of Glendora, Glendora Mountain summit along old fire break. 1006 Comment
  UC1408951  Galium aparine Donald R. Bissing 1973-6-2 105 Los Angeles near entrance San Gabriel Mountains, Evey Canyon 707 Comment
  UCR186360  Galium aparine Michael Honer 2007-4-25 2528 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon; grassy slopes c. 1 mile SW of cement processing plant 1159 Comment
  POM367741  Galium aparine Anstruther Davidson 1889-08 s.n. Los Angeles L.A. River. Comment
  CATA248  Galium catalinense subsp. catalinense Mark L. Hoefs, A. Douglas Propst 1973-5-4 247 Los Angeles Santa Catalina Island: By West End Road, near Lyon's Head Point 70 Comment
  UC76075  Galium porrigens J. Q. Adams 1905-1 18 Los Angeles Soldier's Home Comment
  RSA0112038  Gamochaeta antillana A. C. Sanders, T. B. Salvato 2009-5-20 36869 Los Angeles San Gabriel Valley: Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. (Hwy 19) and west of Santa Anita Ave. 66 Comment
  CAS-BOT-BC158014  Garrya veatchii Louis C. Wheeler 1932-1-15 435 Los Angeles San Antonio Wash 411 Comment
  UCR145945  Garrya veatchii Orlando Mistretta 1995-6-23 1825 Los Angeles San Gabriel Mountains, Lookout Mt. Trail. Orobanche valida survey site 1. 1829 Comment
  RSA188081  Gastridium phleoides R. F. Thorne 1966-4-28 36265 Los Angeles Santa Catalina Island. Water tank above Mausoleum, Avalon Canyon above road 182 Comment
  RSA251485  Gastridium phleoides R. F. Thorne 1973-4-11 42817 Los Angeles San Clemente Island: plateau W of upper part of Norton Canyon. 396 Comment
  RSA0111935  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-8-5 15606 Los Angeles San Gabriel Mountains: summit of Mount Hawkins, high point of Copter Ridge, 0.6 miles SSE of Hwy. 2/Angeles Crest Hwy. 2698 Comment
  RSA776514  Gayophytum diffusum subsp. parviflorum Jane Tirrell 2011-8-19 LS- 40 Los Angeles Approximately 0.25 mile above south side of Highway 2 near mile marker 67.86. 2435 Comment
  UC1595380  Gayophytum diffusum subsp. parviflorum Tim Ross and Steve Boyd 1990-6-18 3468 Los Angeles Camp Verdugo Pines and vicinity San Gabriel Mtns., Mescal Creek USGS 7.5' quad (northerly draw draining to Jackson Lake) 1877 Comment
  JEPS27588  Gayophytum heterozygum F. W. Peirson 1918-6-30 130 Los Angeles Mt. Wilson San Gabriel Mountains (near summit) Comment
  UCR86819  Gazania linearis Scott D. White 1995-4-27 2937 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
  SBBG38927  Genista linifolia E. R. Blakley 1963-4-7 5535 Los Angeles Farnsworth Spring, NW of Avalon on the island rd 365 Comment
  RSA641367  Geranium californicum Orlando Mistretta, R. T. Hawke 1995-6-29 1864 Los Angeles San Gabriel Mountains: Lightning Ridge Trail, Blue Ridge. On edge of meadow south of Mt. High ski area parking lot. Comment
  LA201689  Geranium carolinianum Arthur C. Gibson; 2003-4-24 4837 Los Angeles Santa Monica Mountains, near the village of Topanga Comment
  RSA0107268  Geranium carolinianum Steven A. Junak, Mark Hoefs, Keri Kirkland 1998-4-5 SCa- 550 Los Angeles Santa Catolina Island. W of road to Toyon Bay, 1.4 road miles from intersection with Airport Road, in small gully along interpretive trail to ironwood grove. 164 Comment
  SBBG17428  Gilia K. A. Wilson 1962-5-12 1266 Los Angeles Antelope Valley, 2 mi W of Littlerock on Hwy 138 Comment
  SDSU3100  Gilia achilleifolia subsp. multicaulis Gerald Collier 1951-5-5 Los Angeles Santa Anita Canyon, San Gabriel Mtns. Abot 2 miles up canyon from bottom of Chantry Flats Trail. Along trail. Comment
  UC879939  Gilia aliquanta I. W. Clokey and B. C. Templeton 1930-4-8 4689 Los Angeles s Saugus; s of Saugus Comment
  RSA752273  Gilia angelensis Justin M. Wood 2009-4-22 512 Los Angeles City of San Dimas, Sycamore Canyon, Falcon Ridge Ranch. 412 Comment
  UC52488  Gilia angelensis R. D. Williams 1902-2-12 Los Angeles Claremont Comment
  UC75275  Gilia angelensis C. F. Baker 1904-4-22 4184 Los Angeles Monrovia Comment
  UC880099  Gilia angelensis C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-5-13 4764 Los Angeles Bouquet Canyon Comment
  RSA586343  Gilia brecciarum subsp. brecciarum Orlando Mistretta 1995-3-17 1550 Los Angeles Slopes southwest of Little Rock reservoir. On Emma section of Little Rock Creek Management Unit. 1219 Comment
  RSA598068  Gilia brecciarum subsp. brecciarum L. C. Wheeler 1967-5-9 9393 Los Angeles Aliso Canyon, east of Acton, ca. 1 mile downstream from Wagon Wheel Ranch. 1067 Comment
  RSA600714  Gilia brecciarum subsp. brecciarum L. C. Wheeler 1955-4-16 7127 Los Angeles San Gabriel Mountains: Pinyon Flat. Comment
  UCR187011  Gilia capitata subsp. abrotanifolia A. C. Sanders 2006-4-25 32175 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
  SEINET3163570  Gilia gilioides G. B. Grant 1906-6-14 507 Los Angeles Summit Mt. Wilson, S. Calif. 1829 Comment
  UCR192200  Gilia latiflora A. C. Sanders 2008-4-16 34895 Los Angeles Tehachapi Mtns. Foothills/ W Mojave Desert, west end of Antelope Valley, hills c. 1.25 mi. NE of Quail Lake, c. 0.7 mile north of Hwy 138 1000 Comment
  RSA587400  Gilia latiflora subsp. cuyamensis Orlando Mistretta 1995-4-5 1603 Los Angeles Drainage W of Little Rock Creek Reservoir. 1189 Comment
  RSA587408  Gilia latiflora subsp. cuyamensis Orlando Mistretta 1995-4-5 1602 Los Angeles Drainage W of Little Rock Creek Reservoir. 1006 Comment
  CAS-BOT-BC226328  Gilia latiflora subsp. davyi Carl Epling; Lincoln Ellison; Harvey Anderson 1930-4-17 s.n. Los Angeles Mohave [Mojave] Desert, Lancaster Comment
  SBBG13663  Gilia latiflora subsp. davyi D. Myrick 1962-4-10 495 Los Angeles Hwy 6, 2 mi E of Palmdale 822 Comment
  RSA709792  Gilia latiflora subsp. davyi LeRoy Gross 2005-4-28 2168 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
  RSA469368  Gilia latiflora subsp. latiflora Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  CAS-BOT-BC225494  Gilia nevinii Frank W. Peirson 1923-4-9 3433 Los Angeles Wilson's Cove, San Clemente Is. Comment
  POM158307  Gilia nevinii M. B. Dunkle 1928-4-29 1901 Los Angeles Little Harbor, Santa Catalina Island. 9 Comment
  CAS-BOT-BC402010  Gilia ochroleuca subsp. bizonata Louis C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast of Vincent Comment
  RSA0016263  Gilia ochroleuca subsp. bizonata Orlando Mistretta, Christine Mistretta 2008-4-19 2492 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, Structure 115 per TRTP Survey 2008), vicinity of Van Tassel Canyon. 581 Comment
  SBBG98226  Gilia ochroleuca subsp. vivida G. B. Grant 1906-6-15 Los Angeles summit of Mt Wilson 1828 Comment
  RSA0017165  Gilia ochroleuca subsp. vivida L. C. Wheeler 1964-6-20 8492 Los Angeles Mt. Waterman. Comment
  UCR272596  Gilia sinuata R. G. Swinney 2011-6-7 15040 Los Angeles San Gabriel Mountains, Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road 1616 Comment
  RSA762131  Gilia splendens subsp. grantii Orlando Mistretta, Christine Mistretta 2008-5-15 3075 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 75 per TRTP Survey 2008), W fork of the San Gabriel River, Shortcut Cyn. 1200 Comment
  POM98120  Gnaphalium beneolens I. M. Johnston 1924-9-4 s.n. Los Angeles Arcadia. Comment
  RSA91758  Gnaphalium californicum F. W. Peirson 1919-1-26 235 Los Angeles Hills east of Rubio Canyon 548 Comment
  RSA3581  Gnaphalium palustre C. B. Wolf 1932-5-12 3598 Los Angeles Santa Catalina Island: between Little Harbor and Cottonwood Creek. 46 Comment
  RSA782115  Gnaphalium palustre A. C. Sanders, Dan S. Cooper 2010-4-30 38153 Los Angeles Madrona Marsh, Torrance 24 Comment
  UC635655  Goodmania luteola Herbert L. Mason 1932-4-1 6877 Los Angeles road Roosevelt to Muroc; Mojave Desert Comment
  SDSU5620  Grayia spinosa unknown 1948-5-3 Los Angeles 1 1/2 miles south of Lancaster. 610 Comment
  UCSB1693  Grayia spinosa Kamb, Peter 1948-3-13 Los Angeles Eastern Lovejoy Buttes, Antelope Valley 853 Comment
  RSA656488  Guillenia lasiophylla Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 717 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. 518 Comment
  RSA430025A  Guillenia lasiophylla Anstruther Davidson 1890-05 s.n Los Angeles [no locality information provided] Comment
  UCR182477  Gutierrezia microcephala R. G. Swinney 1997-7-17 5685 Los Angeles San Gabriel Mtns., summit of Table Mountain, NW of Wrightwood 2277 Comment
Read comments
Aug 23 2013
  UCR78148  Haplopappus linearifolius Wandalee Thompson 1964-4-16 28 Los Angeles Transverse Range; Liebre Mtns., Portal Ridge: Summit of Johnson Hill Grade (Johnson Summit) between Lake Elizabeth and Quartz Hill. 1078 Comment
  SEINET12621370  Harpagonella palmeri G. B. Grant 1904-1 540 Los Angeles Santa Catalina Island. Comment
  SD92004  Hazardia cana Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-24 22694 Los Angeles San Clemente Island; China Canyon, above confluence of Iwo Jima Gulch. 199 Comment
  SEINET10473511  Hazardia cana Jon Ricketson, Heidi H. Schmidt 1992-10-21 Ricketson 4813 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Garden, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  CAS-BOT-BC308539  Hazardia detonsa Barbara Menzies 1966-10-1 s.n. Los Angeles San Clemente Island Comment
  SD21218  Hazardia squarrosa var. grindelioides Norman E. Bilderback 1938-4-23 Los Angeles Catalina Harbor. Comment
  SFV16401  Helenium bigelovii J. H. Nishida 1991-8-24 s. n. Los Angeles San Gabriel Mountains Crystal Lake Campground. 1768 Comment
  LA201750  Helenium puberulum Arthur C. Gibson; 2001-5-19 4807 Los Angeles Santa Monica Mountains, near the village of Topanga Comment
  POM359756  Helenium puberulum L. C. Wheeler 1931-8-22 14 Los Angeles Puddingstone Lake. 259 Comment
  UCR277401  Helianthemum scoparium R. G. Swinney 2010-8-23 13574 Los Angeles San Gabriel Mountains, Mt. Zion summit, between Hoegee Campground and Camp Sturtevant on the Mt. Zion Trail 1090 Comment
  CHSC95505  Helianthemum scoparium var. vulgare LeRoy Gross; Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1092 Los Angeles Transverse Ranges: Verdugo Mountains region: North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. Low foothills north of the 210 freeway. We followed the firebreak southwest. 598 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
  RSA662177  Helianthus annuus subsp. lenticularis H. Christopher Gubler 1981-5-12 14 Los Angeles Interstate 10 W 1 mile from junction ca. Hwy 57. Alongside freeway chaparral. Comment
  LA40177  Heliotropium curassavicum var. oculatum A. M. Johnson; 1932-5-30 4108 Los Angeles Santa Monica Mountains, Brent's Mountain, Crag's Camp 152 Comment
  POM369758  Heliotropium curassavicum var. oculatum L. E. Hoffman 1932-8-2 s.n. Los Angeles Playa del Rey Comment
  RSA360327  Hemizonia australis Louis Greata 1900-08 4023 Los Angeles Cienega, Los Angeles. Comment
  POM360236  Hemizonia clementina F. R. Fosberg 1931-5-18 S 4990 Los Angeles Little Harbor, Santa Catalina Island. 5 Comment
  RSA151214  Hemizonia clementina Peter H. Raven 1962-7-12 18038 Los Angeles Near point at east end of Northwest harbor, San Clemente Island. 30 Comment
  UCR101254  Hemizonia clementina L. C. Wheeler 1962-5-20 8085 Los Angeles Channel Islands, Santa Catalina Island, Isthmus Station Comment
  RSA724397  Hemizonia fasciculata K. Dobry 1991-5-22 D- 637 Los Angeles Soka University NE section. Santa Monica Mts. 1 mi East of Las Virgenes Rd off Muholland Hwy. Comment
  UCR126890  Hemizonia fasciculata A. C. Sanders, Tricia Wotipka, Mark A. Elvin, and others 2003-4-29 26156 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east Lake Hughes Road 488 Comment
  POM4988  Hemizonia kelloggii Arthur M. Cleghorn 1902-6-12 6 Los Angeles Claremont. 366 Comment
  LA201641  Hesperocyparis Arthur C. Gibson; 2003-12-27 5002 Los Angeles SANTA MONICA MOUNTAINS, Stunt Road between mile marker 3.1 and 3.87. Comment
  UCD169113  Hesperoyucca whipplei R. G. Swinney 2009-5-13 10794 Los Angeles Transverse Range; San Gabriel Mtns. Foothills, Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  POM156522  Heteromeles arbutifolia L. R. Abrams 1902-7-3 2648 Los Angeles Little Santa Anita Canyon, San Gabriel Mountains. Comment
  SBBG96809  Heteromeles arbutifolia S. Boyd with T. Ross, L. Arnseth 1990-4-7 4231 Los Angeles lower half of China Cyn, W side Comment
  SEINET3156755  Heteromeles arbutifolia G. B. Grant 1901-1 567 Los Angeles From Santa Monica Range Comment
  SEINET3445225  Heteromeles arbutifolia var. arbutifolia Unknown 1939-7-7 151 Los Angeles Los Angeles, Los Angeles, college campus Comment
  POM604733  Heterotheca fastigiata Henry J. Ramsey, Henry J. Ramsey 1937-9-2 163 Los Angeles Lady Bug Canyon, Angeles Crest Highway Comment
  UCR150632  Heterotheca grandiflora Scott D. White 1997-5-8 5082 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Canyon: north of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir 427 Comment
  RSA0048581  Heterotheca grandiflora L. E. Hoffman 1963-7-7 s.n. Los Angeles Malibu Lagoon. 0 Comment
  UCR178066  Heterotheca sessiliflora subsp. fastigiata LeRoy Gross 2001-11-10 453 Los Angeles Los Angeles Basin, Verdugo Mountains, north side. Off the 210 Fwy east bound LaTuna Canyon Road exit opposite this exit is a road that starts out paved. (Hostetter Mountainway) follow this road that parallels the freeway east till a dirt road forks off on the right (southeast) 457 Comment
  CAS-BOT-BC48131  Heuchera elegans A. D. E. Elmer 1902-6-1 3687 Los Angeles Acton, Mt. Gleason Comment
  CAS-BOT-BC48172  Heuchera elegans Le Roy Abrams 1902-6-30 2532 Los Angeles On rocks near Martins camp, Mt. Wilson - type station Comment
  UCR190005  Heuchera elegans R. G. Swinney 1998-6-16 6976 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
  RSA729389  Hieracium albiflorum R. G. Swinney 1998-7-21 6467 Los Angeles Upper Fish Fork drainage, vicinity of junction of Upper Fish Fork Trail and Dawson Peak Trail. 1707 Comment
  RSA482871  Hirschfeldia incana Howard Mullins 1931-4-19 s.n. Los Angeles Chevy Chase, Flintridge Comment
  SBBG113136  Hordeum intercedens S. A. Junak with M. L. Hoefs, J. Takara 1997-3-28 SCa 402 Los Angeles N side of Cherry Cove, at Birdie Chester grave site 21 Comment
  UCR260362  Hordeum murinum R. G. Swinney 2010-6-21 13275 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  RSA0108915  Hordeum murinum subsp. glaucum R. G. Swinney 2011-3-26 14219 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 476 Comment
  RSA594452  Hordeum murinum subsp. glaucum D. L. Banks 1996-3-25 863 Los Angeles Claremont; Oakwood Apartments; 580 S. Bucknell Avenue; W side of street across from the Apartment complex. On disturbed ground between the sidewalk and school playground. Comment
  UCR271668  Hordeum murinum subsp. glaucum R. G. Swinney 2011-3-26 14219 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
  CAS-BOT-BC311972  Hulsea heterochroma Louis C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: Little Rock Creek near Cedar Springs 1981 Comment
  RSA261752  Hulsea vestita subsp. gabrielensis D. H. Wilken 1973-6-1 11879 Los Angeles Upper Tujunga Canyon, along Forest Rd. 3N20, 1.5 miles west of Hwy 2 Comment
  RSA503166  Hymenoclea salsola Gary D. Wallace 1966-4-24 494 Los Angeles Along Hwy. 138 just south of where it joins Pearblossom Hwy. Near Pearblossom 762 Comment
  RSA614816  Hypericum formosum var. scouleri L. C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: East Fork of Alder Creek off Big Tujunga. 1493 Comment
  RSA80698  Hypericum formosum var. scouleri F. W. Peirson 1907-7-9 2072 Los Angeles Pine Flats Comment
  CATA1834  Hypochaeris glabra Denise Kraus 2000-4-24 13 Los Angeles Santa Catalina Island: (Goat Harbor burn area) approximately 2,770 ft. north of Airport Road and 690 ft. east of western fuel break ridge (western fuel break ridge starts midway along parking loop off Airport Road). At GHB Transect 3 368 Comment
  RSA547794  Hypochaeris glabra Timothy S. Ross, Peter Fritsch 1990-6-20 3608 Los Angeles San Gabriel Mountains: Burro Canyon near the confluence of the E and W forks of the San Gabriel River; elevation ranging from stream bottom to slopes. 445 Comment
  RSA601025  Hypochaeris glabra L. C. Wheeler 1967-5-13 9508 Los Angeles San Gabriel Mountains. On mesa between Little Dalton and Englewild canyons. 373 Comment
  CDA5571  Ipomoea mutabilis T. C. Fuller 1963-6-26 10711 Los Angeles On west bank of Topanga Creek just north of Pacific Coast Highway 101, Topanga Beach. 0 Comment
  RSA366847  Iris pseudacorus Robert Gustafson 1981-3-18 2131 Los Angeles Ballona Wetlands, Area 3. Comment
  POM361278  Isocoma menziesii var. vernonioides Anstruther Davidson 1917-10 3297 Los Angeles Streets. Comment
  UC1126555  Isomeris arborea R. St. John 1928-2-27 4 Los Angeles Texas Canyon; Elizabeth Lake Quad. 609 Comment
  SBBG110088  Jepsonia malvifolia D. Wilken with E. Painter 1997-12-2 15394 Los Angeles N branch of Eagle Cyn 260 Comment
  UCR62284  Juglans californica S. J. Myers 1990-4-3 s.n. Los Angeles Powder Canyon, in the City of La Habra Heights 245 Comment
  LA210279  Juglans californica var. californica Martha Hilend; 1933-5-19 Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  UC170832  Juglans californica var. californica Geo. B. Grant 1905-5-5 635 Los Angeles Pasadena Comment
  UC450938  Juglans californica var. californica Fay A. Macfadden 1931-3-15 35 E Los Angeles Tuna Canyon Verdugo Hills Comment
  RSA756730  Juglans nigra A. C. Sanders, T. B. Salvato 2009-5-21 36891 Los Angeles Whittier Narrows near South El Monte, north of San Gabriel River channel and SE of Durfee Ave., west half of Whittier Narrows Nature Center along SCE powerlines 66 Comment
  RSA583016  Juncus acutus subsp. leopoldii Timothy S. Ross, Janet Takara, S. Otte 1993-4-24 6945 Los Angeles Santa Catalina Island: W end of Island beyond the isthmus, on main east west ridgtop, upper NW slope of Silver Peak (West Peak Triangulation Pt, 1804ft) 527 Comment
  UC1349332  Juncus acutus subsp. leopoldii Robert F. Thorne and P. Everett 1965-6-24 35037 Los Angeles just below dam in lower Cottonwood Canyon; Santa Catalina Island, Cottonwood Canyon 38 Comment
  RSA368153  Juncus bufonius Stone 1936-3-22 s.n. Los Angeles South Gate. Comment
  RSA226017  Juncus bufonius var. bufonius Robert F. Thorne, C. W. Tilforth 1971-6-29 40659 -A Los Angeles San Gabriel Mountains, Angeles National Forest: Above Little Creek, just below Little Rock Forestry Station, 1/2 mile below Little Rock Dam 945 Comment
  UCR270633  Juncus duranii R. G. Swinney 2011-8-17 15647 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  RSA69664  Juncus macrophyllus F. W. Peirson 1920-9-17 2288 Los Angeles San Antonio Canyon, San Gabriel Mountains. 1341 Comment
  SEINET3880055  Juncus macrophyllus K. Dobry 1992-1 d 1114 Los Angeles Santa Monica Mts. In the city of Westlake at the S. end of Las Virgenes Res. at S end of Lindero Cyn.; 0 Comment
  RSA368235  Juncus mexicanus Anstruther Davidson 1923-9-1 s.n. Los Angeles Los Angeles River. Comment
  UC842817  Juncus rugulosus I. Johnston 1917-6-14 1341 Los Angeles w of Pomona Comment
  UCR189981  Juncus rugulosus R. G. Swinney 1998-9-4 6906 Los Angeles San Gabriel Mtns, Vincent Gap, off trail c. 350 m SE of parking area at spring near canyon bottom 1988 Comment
  UCR101233  Juncus saximontanus L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mtns., c. 200 yards east of the foot of Holiday Hill [Mountain High] Ski Lift 2088 Comment
  RSA729586  Juncus xiphioides R. G. Swinney 1999-6-30 7485 Los Angeles San Gabriel Mtns.: Grand View Canyon, c. 1.1 mi. north of Big Pines hwy at All Nation Camp 1585 Comment
  SBBG131536  Juncus xiphioides S. A. Junak 1999-7-16 SCa 1053 Los Angeles lower Cottonwood Cyn, just downstream from crossing of rd to Ben Weston Beach Comment
  RSA651020  Juniperus californica Brent Mishler 1977-10-6 s.n. Los Angeles San Gabriel River flood control area, Irwindale. Comment
  UCR186924  Juniperus californica A. C. Sanders 2006-4-14 32060 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  CAS-BOT-BC235762  Keckiella cordifolia F. Grinnell 1903-7-3 s.n. Los Angeles Scoville's [Scoville] Hill, near Pasadena Comment
  POM4312  Keckiella cordifolia C. F. Baker 1903-7-20 s.n. Los Angeles Claremont. Comment
  RSA3242  Keckiella cordifolia Carl B. Wolf 1931-6-25 2240 Los Angeles Wash SW of Los Angeles Botanic Garden, along Beverly Blvd. (Mandeville Canyon). 61 Comment
  RSA401772A  Keckiella cordifolia Samuel R. Tyson 1942-6-5 s.n. Los Angeles San Dimas Canyon 442 Comment
  CAS-BOT-BC238333  Keckiella ternata var. septentrionalis Tim Ross; Steve Boyd 1992-7-5 6603 Los Angeles Liebre Mountains. Red Mountain: E ridge of Red Mtn, ca 530 m E of the summit 1118 Comment
  CAS-BOT-BC518729  Keckiella ternata var. ternata R. G. Swinney 2011-6-29 15363 Los Angeles San Gabriel Mountains: Mill Creek, from 50 to 300 meters downstream (S) from Monte Cristo Campground 1082 Comment
  UCD168230  Kochia prostrata 2015-1-1 s.n. Los Angeles Antelope Valley [UTM convert by label maker]. 750 Comment
  SBBG59403  Koeleria macrantha M. N. Ackley -Jun-1927 18 Los Angeles Los Angeles River, Glendale Comment
  UCR185971  Koeleria macrantha Michael Honer 2007-4-16 2504 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, c. 1/2 mile north of Quail Lake, 1/2 mile west of cement plant road 1037 Comment
  UCR272627  Koeleria macrantha R. G. Swinney 2011-6-7 15053 Los Angeles San Gabriel Mountains, Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy. 2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek 1585 Comment
  UCR252744  Koelreuteria bipinnata R. G. Swinney 2010-9-1 13647 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  SD257295  Krameria parvifolia Lee Haines 1952-6-1 Los Angeles Palms to Pines Highway 1157 Comment
  RSA578649  Krascheninnikovia lanata T. S. Ross, J. M. Porter 1994-5-1 7599 Los Angeles Southwestern Mojave Desert: Open desert ca. 1870 m SW of Three Sisters buttes, along Black Butte Basin Road. 961 Comment
  SBBG1819  Krascheninnikovia lanata L. Rowntree 1937-4-22 Los Angeles Antelope Valley Comment
  UC1076474  Krascheninnikovia lanata Herbert L. Mason 1930-4-20 5591 Los Angeles hills in the Rock Creek region Mohave Desert, Rock Creek region Comment
  CAS-BOT-BC340579  Lactuca serriola LeRoy Abrams 1902-8-18 2956 Los Angeles Ballona Creek, near Mesmer Comment
  UCR199993  Lactuca serriola Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1347 Los Angeles Transverse Ranges; Verdugo Mountains, La Tuna Canyon, along La Tuna Canyon Road 427 Comment
  POM361386  Lactuca serriola Wm. Martin, Robert Gustafson 1971-7-14 s.n. Los Angeles Normandie and Exposition Blvds., Los Angeles. Comment
  RSA729191  Lamarckia aurea R. G. Swinney 1999-5-15 7170 Los Angeles San Gabriel Mtns.: Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas Experimental Forest. 610 Comment
  UC70981  Lamarckia aurea Joseph Burtt Davy 1902-3-22 Los Angeles Claremont Comment
  UCD63303  Lamarckia aurea W. M. Phillipson 1915-6-1 s.n. Los Angeles Monrovia. Comment
  PASA736  Langloisia matthewsii Stason 1930-5-18 Los Angeles Lovejoy Buttes Comment
  RSA0060474  Lantana montevidensis R. G. Swinney 2010-8-16 13539 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA657923  Lantana montevidensis J. Liston 1980-6-2 48 Los Angeles Back dirt trail of Verdugo Park, 1/2 mile west of Glendale College Comment
  UCR277179  Larrea tridentata R. G. Swinney 2011-4-19 14415 Los Angeles San Gabriel Mountains, San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  JEPS15072  Lasthenia coronaria Le Roy Abrams 1901-4-1 1234 Los Angeles Ballona Harbor Comment
  UC1215146  Lasthenia gracilis Peter H. Raven 1962-4-10 17207 Los Angeles summit Thirst; San Clemente Island 579 Comment
  UCR194562  Lasthenia microglossa A. C. Sanders 2008-4-25 35101 Los Angeles Transverse Range; Western San Gabriel Mtns., SLOPES WEST OF OLD LA LIEBRE RANCH, SOUTH OF HWY 138 1018 Comment
  UCR68932  Lathyrus vestitus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4209 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  UCR281772  Lathyrus vestitus subsp. alefeldii Mitch Provance, Scott Duff 2017-6-29 617- 73 Los Angeles Catalina Island, Middle Canyon, SCE corridor along Middle Ranch Rd., N of Thompson Dam at McGee Lake. 180 Comment
  UC1349068  Lathyrus vestitus var. alefeldii Robert F. Thorne 1966-4-28 36205 Los Angeles Santa Catalina Island, along road to Renton Mine, Pebbly Beach Canyon. 243 Comment
  POM294612  Lathyrus vestitus var. vestitus Lyman Benson 1945-3-25 11615 Los Angeles Big Dalton Canyon, Glendora 351 Comment
  RSA406630  Lathyrus vestitus var. vestitus L. E. Hoffman 1934-5-14 s.n. Los Angeles Trail Canyon, Los Angeles Forest. Comment
  RSA651401  Lathyrus vestitus var. vestitus Glen Johnson 1949-5-4 s.n. Los Angeles San Gabriel Canyon. 1219 Comment
  UC30630  Layia glandulosa J. Burtt Davy May 9 1896-May 24 1896 2558 Los Angeles Antelope Valley, Manzana Comment
Read comments
Apr 24 2007
  UCR264735  Layia glandulosa Steve Boyd, Gary D. Wallace 2011-4-14 12317 Los Angeles Transverse Ranges; Liebre / San Gabriel Mountains region, Acton Wash ca. 3 km east of junction of Soledad Canyon Road and Crown Valley Road. 829 Comment
  LA202103  Layia platyglossa W. O. Griesel; 1936-5-3 sn Los Angeles Santa Monica Mountains, Brown Canyon, summit of Beverly Glen Blvd 380 Comment
  SBBG31091  Layia platyglossa R. F. Thorne 1966-4-6 35928 Los Angeles ca. 1 mi W of Empire Landing 76 Comment
  UCR210234  Lemna R. G. Swinney 2008-10-20 9651 Los Angeles San Gabriel Mountains, San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  UCD115649  Lepidium fremontii Steve Meyers 1988-6-29 s.n. Los Angeles Big Rock Creek wash, 2.5 mi. E of town of Pearblossom. Comment
  IRVC26819  Lepidium fremontii B. C. Templeton 1930-5-19 1457 Los Angeles Mint Canyon San Gabriel Mtns. 200 Comment
  RSA609505  Lepidium lasiocarpum var. lasiocarpum L. C. Wheeler 1974-4-4 s.n. Los Angeles West end of Los Angeles International Airport. 60 Comment
  RSA709464  Lepidium strictum A. C. Sanders 2005-5-1 29835 Los Angeles Los Angeles Natural History Museum, Exposition Park, Los Angeles. 53 Comment
  CAS-BOT-BC13010  Lepidium virginicum Peter H. Raven 1956-6-24 9523 Los Angeles Westwood, Los Angeles. Comment
  RSA530054  Lepidium virginicum var. virginicum Timothy S. Ross 1991-8-16 5841 Los Angeles San Gabriel Mountains, Horse Flats 1720 Comment
  RSA533512  Leptochloa fusca subsp. uninervia Timothy S. Ross 1991-3-9 4168 Los Angeles Whittier Hills (Puente Hills, pro parte): Seepage ca. 300 feet SW of Colima Road & Camino del Sur. 213 Comment
  RSA682611  Leptodactylon californicum Scott D. White, Michael Honer 2003-5-7 9221 Los Angeles Liebre Mountains: Tapia Canyon, about 2 air miles east of Interstate 5 junction at Old Ridge Route. 427 Comment
  UC501492  Leptodactylon californicum Joseph Andorfer Ewan 1932-5-29 7213 Los Angeles Arrastre Canyon; San Gabriel Mts., Arrastre Canyon 1371 Comment
  UCR100066  Leptodactylon californicum R. G. Swinney 1969-4-2 317 Los Angeles Western Transverse Range; Santa Monica Mtns., 3 mi south of Calabasas, north of Mulholland Hwy 488 Comment
  RSA73037  Leptosiphon breviculus F. W. Peirson 1926-4-27 6665 Los Angeles San Gabriel Mountains. North side of San Gabriel Mountains, Rock Creek. 1296 Comment
  RSA78095  Leptosiphon breviculus Verne Grant, Alva Grant 1953-6-24 18498 Los Angeles San Gabriel Canyon, San Gabriel Mts. Comment
  UCSB33654  Leptosiphon breviculus Risk, Paul 1963-5-21 Los Angeles Charltan Flats; San Gabriel Mountains 1524 Comment
  RSA702974  Leptosiphon liniflorus Scott D. White, Michael Honer 2004-6-30 10540 Los Angeles San Gabriel Mountains: Mt. Baldy (town). Along Glendora Ridge Rd. ca. 0.25 mile SW of jtn. w/ Mt. Baldy Rd. 1311 Comment
  RSA0080770  Leptosyne bigelovii R. G. Swinney 2010-5-19 12771 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  SBBG19656  Leptosyne bigelovii E. C. Twisselmann 1963-6-3 8367 Los Angeles rd to US Hwy 99, just W of Gorman 1203 Comment
  SD58153  Leptosyne bigelovii I. W. Clokey, B. C. Templeton 1930-4-8 4711 Los Angeles North of Elizabeth Lake. 800 Comment
  JEPS20559  Lessingia glandulifera var. glandulifera Frank W. Peirson 1918-10-16 278 Los Angeles entrance to Pacoima Canyon; San Gabriel Mountains, entrance to Pacoima Canyon 457 Comment
  UCR209243  Lessingia glandulifera var. glandulifera R. G. Swinney 2008-10-7 9479 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  UCD134067  Lessingia glandulifera var. peirsonii Steve Boyd; Laura Moore, Mike Wall 1997-7-24 10022 Los Angeles Liebre Mountains Region: Summit of Liebre Mountain, saddle between Richardson and Bear canyons, along Forest Service Road 7N23, 0.05 mile east of junction with road to Bear Gulch Camp (7N23A). Comment
  SDSU21098  Lessingia lemmonii var. lemmonii Ian Cain, Bruce Lund 2010-5-10 1408 Los Angeles North west of Lancaster. 3.33km north east of intersection of 170th Street West and Highway 138 790 Comment
  POM122586  Lessingia tenuis Marcus E. Jones 1926-6-7 s.n. Los Angeles South of Lebec, Liebre Mountains. Comment
  RSA233424  Lewisia rediviva R. F. Thorne, M. Z. Thorne 1968-11-9 37864 Los Angeles San Gabriel Mountains, Angeles National Forest: summit of Mt. Williamson, 2504 Comment
  UC212955  Lewisia rediviva I. M. Johnston 1917-6-20 1493 Los Angeles Baldy Lookout of USGS San Antonio Mountains 1981 Comment
  UCR1537  Lewisia rediviva var. minor Ken Calhoun 1962-5-12 108 Los Angeles San Gabriel Mtns, Blue Ridge, 8 mi west of Wrightwood 2134 Comment
  SEINET10595835  Leymus condensatus LeRoy R. Abrams 1902-7-2 Abrams 2638 Los Angeles Little Santa Anita canyon, Sierra Madre. Comment
  RSA594457  Leymus triticoides Steve Boyd, Lauren Raz 1996-9-24 8953 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
  UC817389  Leymus triticoides F. R. Fosberg 1931-5-7 S 4831 Los Angeles hillside above dam; Santa Catalina Island, Cottonwood Canyon Comment
  RSA682470  Lilium humboldtii subsp. ocellatum R. E. Riefner 2000-8-29 0 -758 Los Angeles La Tuna Canyon, Santa Monica Mountains. Conservency Park, second canyon at picnic stop along La Tuna Canyon Rd. S of 210 Freeway. 462 Comment
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Jan 14 2008
  UCR147557  Lilium humboldtii subsp. ocellatum Naomi Fraga, Sarah De Groot, , R. Villanueva G. 2004-6-30 1288 Los Angeles Transverse Ranges; San Gabriel Mountains region, Near Grapevine Springs, along FS Road 1N34 1220 Comment
  RSA705001  Lilium parryi Tasha LaDoux, Eve Laeger 2002-8-14 8 Los Angeles Transverse Ranges; San Gabriel Mountains region: Lamel Spring, along trail to Mt. Baden-Powell. Comment
  RSA0057900  Limosella acaulis Richard G. Swinney 2010-9-7 13704 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  UC1375415  Linanthus breviculus Robert F. Thorne 1969-7-2 38226 Los Angeles Charlton Flats burn of 1954 San Gabriel Mts., Angeles National Forest 1600 Comment
  SDSU3181  Linanthus dianthiflorus A. H. Gallup 1949-3-18 347 Los Angeles Claremont - open fields on Amherst Avenue. 366 Comment
  SEINET3163740  Linanthus dianthiflorus G. B. Grant 695 Los Angeles Sangus Comment
  POM364614  Linanthus dichotomus subsp. dichotomus Ora M. Clark 1929-3-30 1951 Los Angeles Antelope Valley, Mojave Desert, w. Lancaster Comment
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Apr 10 2012
  UCR265949  Linanthus parryae Orlando Mistretta, Christine Mistretta 2005-4-21 2060 Los Angeles Transverse Range; San Gabriel Mountains, Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station 1341 Comment
  RSA735820  Linanthus parryae Rosemarie Zimmermann 1964-5-1 367 Los Angeles Valyermo 1372 Comment
  RSA73282  Linanthus pungens F. W. Peirson 1922-5-30 3092 Los Angeles West spur of Mt. Lowe, San Gabriel Mountains. 1311 Comment
  POM308353  Linaria bipartita Henry J. Ramsey, Henry J. Ramsey 1937-3-21 3030 Los Angeles Altadena. Comment
  UCR182115  Lithophragma R. G. Swinney 1998-4-13 5964 Los Angeles San Gabriel Mtns., Claremont Hills Wilderness Park, 0.2 to 0.6 mi. (by road) NNW of north end of Mills Ave., on Cobal Canyon Rd. 543 Comment
  UC219145  Lithophragma affine Munz and Harwood 1920-3-13 3311 Los Angeles 1 mi w Pomona (San Jose Hills); San Jose Hills 304 Comment
  RSA468217  Lithophragma affine subsp. mixtum Louis C. Wheeler 1932-3-26 533 Los Angeles Puddingstone Dam, San Jose Hills. 274 Comment
  UCR108651  Lithophragma bolanderi L. C. Wheeler 1967-5-18 9627 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  POM265671  Lithophragma heterophyllum J. C. Roos 1942-4-18 1082 Los Angeles Santa Anita Canyon, San Gabriel Mts Comment
  POM293790  Lithophragma heterophyllum Lyman Benson 1945-4-13 11665 Los Angeles Little Dalton Canyon, Glendora. Drainage area Pacific slope 365 Comment
  UCR24395  Lithophragma heterophyllum John C. Roos 1942-4-18 1082 Los Angeles Transverse Range; San Gabriel Mtns., East Fork of Santa Anita Canyon Comment
  RSA468212  Lithophragma heterophyllum Louis Greata 1901-03 s.n. Los Angeles Sierra Madre Mountains Comment
  POM4569  Lobelia dunnii var. serrata C. F. Baker 1903-9-20 3699 Los Angeles San Antonio Canyon near Claremont. Comment
  RSA2058  Lobelia dunnii var. serrata Ernest Braunton 1928-09 1021 Los Angeles San Gabriel Canyon 610 Comment
  CATA2901  Lobularia maritima Sara L. Crockett 1997-4-10 108 Los Angeles Santa Catalina Island: 315 Descanso Street 12 Comment
  RSA0055997  Lobularia maritima Richard G. Swinney 2010-3-16 11935 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
  SEINET3149011  Lobularia maritima G. E. Grant 654 Los Angeles Pasadena Comment
  RSA668156  Loeseliastrum matthewsii Ian Swift 2001-5-17 090 Los Angeles Upper Soledad Cyn., Santa Clara River wash, 0.5 mi. southeast of Acton. 939 Comment
  RSA356942  Lolium perenne subsp. multiflorum Anstruther Davidson 1917-05 3184 Los Angeles Los Angeles. Comment
  SBBG31152  Lolium temulentum R. F. Thorne 1966-4-29 36295 Los Angeles Middle Ranch, Middle Ranch Cyn 198 Comment
  SBBG59718  Lomatium dasycarpum subsp. dasycarpum R. Hoffmann 1931-5-4 Los Angeles north Bouquet Cyn Comment
  UC1400374  Lomatium dasycarpum subsp. dasycarpum Robert F. Thorne 1971-3-31 41438 Los Angeles n. of Mountain Ave. Claremont (Johnson's Pastures); San Gabriel Mts., , Johnson's Pastures 548 Comment
  SD82896  Lomatium dissectum var. multifidum R. F. Thorne, M. Z. Thorne 1969-7-10 38426 Los Angeles San Gabriel Mountains, Angeles National Forest; above small stream 1.5 miles west of Wrightwood. 1950 Comment
  UC1057257  Lomatium lucidum Mildred E. Mathias 1957-4-4 3158 Los Angeles 2.5 mi. s.w. Decker Fire Station (Decker Canyon Rd.) Comment
  UC1400392  Lomatium mohavense Robert F. Thorne 1973-5-11 43516 Los Angeles N of Shoemaker Canyon between Mile High and Valyermo San Gabriel Mountains 1341 Comment
  UC592165  Lomatium mohavense H. L. Mason 1926-4-26 2979 Los Angeles summit Mint Canyon Comment
  RSA597272  Lomatium mohavense subsp. mohavense T. S. Ross, Steve D. Boyd 1990-6-18 3517 Los Angeles Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages. San Gabriel Mountains. 1744 Comment
  CAS-BOT-BC240489  Lonicera hispidula Geo. B. Grant 1901-4-9 3789 Los Angeles Avalon Comment
  CAS-BOT-BC240492  Lonicera hispidula Peter H. Raven 1962-5-20 17773 Los Angeles Santa Catalina Island: Avalon Canyon about 1 mile south of Avalon Comment
  CATA1146  Lonicera hispidula Mark L. Hoefs 1995-5-23 2137 Los Angeles Santa Catalina Island: Upper Middle Canyon 225 Comment
  RSA455170  Lonicera hispidula var. vacillans Anstruther Davidson 1893-8-22 s.n. Los Angeles Santa Catalina Island. Comment
  UC213433  Lonicera interrupta I. M. Johnston 1917-8-23 1713 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains 1524 Comment
  PASA276  Lonicera subspicata Annetta Carter 1929-1-1 Los Angeles Mouth of Big Santa Anita Canyon Comment
  RSA610634  Lonicera subspicata var. denudata L. C. Wheeler 1933-8-5 2048 Los Angeles Santa Monica Mountains: North side; 5 miles east of Calabasas. 304 Comment
  UC1745899  Lonicera subspicata var. denudata Annetta M. Carter, Arthur Carter 1935-9-8 954 Los Angeles Canyon at head of Auburn Ave. Sierra Madre. 381 Comment
  UCR125897  Lotus A. C. Sanders, Mark Elvin, et al 2002-6-26 25298 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River about 0.25 mile downstream from large natural spring at north foot of 'Airport Mesa' and c. 0.75 mile above Castaic Creek confluence, c. 1 mi. SW of Castaic Junction 305 Comment
  RSA406410  Lotus Anstruther Davidson 1923-6-1 s.n. Los Angeles Los Angeles County Comment
  RSA649907  Lotus argophyllus subsp. decorus Lori Ackerman, Gerald Braden 1988-4-22 11 Los Angeles North end of West Fork [San Gabriel] River, San Gabriel Mountains. Comment
  RSA90070  Lotus argophyllus var. argophyllus F. W. Peirson 1924-5-27 4631 Los Angeles north slope of Strawberry peak 1220 Comment
  RSA273129  Lotus argophyllus var. ornithopus Glenn A. Gorelick 1978-5-26 s.n. Los Angeles Catalina Harbor, Santa Catalina Island. Comment
  UCR149908  Lotus crassifolius R. G. Swinney 1999-6-18 7337 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  RSA748362  Lotus crassifolius var. crassifolius Scott D. White, Justin M. Wood 2009-5-6 12659 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  RSA406096  Lotus crassifolius var. crassifolius L. E. Hoffman 1932-7-4 s.n. Los Angeles Big pines Co. park, Swarthout Canyon 1524 Comment
  RSA515121  Lotus dendroideus var. traskiae Aaron Liston, Orlando Mistretta, Loren Rieseberg 1989-4-29 799 -1 Los Angeles San Clemente Island: Wilson Cove Canyon; Tufa cut curve, marine terrace Comment
  RSA747579  Lotus heermannii R. G. Swinney 2005-8-22 8508 Los Angeles San Gabriel Mountains: Devils Punchbowl County Park, lower Holcomb Canyon. 1280 Comment
  UC153543  Lotus heermannii LeRoy Abrams 1902-7-4 2651 Los Angeles San Gabriel canyon San Gabriel Comment
  UCR126638  Lotus humistratus A. C. Sanders, Mark A. Elvin, and others 2003-4-16 26056 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park 396 Comment
  UC15644  Lotus micranthus W. H. Brewer Feb 1861 205 Los Angeles Santa Susanna Mts. Comment
  RSA780100  Lotus microcarpus Pam De Vries 2011-4-20 7777 Los Angeles Western Transverse Range, SW portion of the Liebre Mountains; about 0.5 air miles NNE of the intersection of Copper Hill and San Francisquito Canyon Road 426 Comment
  RSA585773  Lotus nevadensis var. davidsonii Orlando Mistretta 1995-7-11 1883 Los Angeles Santiago Canyon. North slope of Pacifico Mountain, near summit. 2073 Comment
  RSA660193  Lotus nevadensis var. davidsonii Orlando Mistretta 1992-7-6 629 Los Angeles Kratka Ridge, spring near lodge. Comment
  RSA230658  Lotus procumbens var. procumbens R. F. Thorne 1969-7-10 38440 Los Angeles Big Pines Hwwy., c. 1.5 miles W of Wrightwood, Swarthout Valley 1951 Comment
  UCR127004  Lotus purshianus A. C. Sanders, Kim Marsden 2003-6-20 26992 Los Angeles Western Transverse Range/Santa Clara River Watershed, Del Valle area, between San Martinez Grande Canyon Rd. and (San Martinez) Chiquito Canyon Rd., north of Hwy 126, Newhall Ranch 305 Comment
  JEPS55921  Lotus salsuginosus F. W. Peirson 1918-6-4 94 Los Angeles hills e Rubio Canyon; San Gabriel Mts. 609 Comment
  UC15686  Lotus salsuginosus J. H. Barber 1897-3-28 106 Los Angeles Santa Monica Experimental Station Comment
  UCR219471  Lotus salsuginosus R. G. Swinney 2009-3-31 10224 Los Angeles Transverse Range; San Gabriel Mtns., mouth of San Gabriel Canyon, 1.2 mi. north of Foothill Blvd, Azusa/Duarte 183 Comment
  POM2466  Lotus salsuginosus J. H. Barber, W. Appleby 1897-3-28 106 Los Angeles Santa Monica Mountains; Santa Monica Forestry Station. Comment
  RSA596016  Lotus salsuginosus var. salsuginosus T. S. Ross, J. Mark Porter 1995-5-4 8458 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  JEPS55896  Lotus scoparius Frank W. Peirson 1918-6-12 98 Los Angeles e of Rubio Canyon; San Gabriel Mountains 609 Comment
  UCR107830  Lotus scoparius var. brevialatus Anna Christensen 1997-4-2 12 Los Angeles Claremont. Bernard Biological Field Station (Claremont Colleges), NW corner of Mills Ave. and Foothill Blvd., 25 yds from E fence, 200 yds. into N. panhandle region. 412 Comment
  RSA724525  Lotus scoparius var. scoparius K. Dobry 1991-6-24 d- 737 Los Angeles At Soka Univ. Santa Monica Mts. Las Virgenes and Mulholland Hwy. Comment
  UCR192010  Lotus scoparius var. scoparius A. C. Sanders 2008-4-17 34917 Los Angeles Transverse Range, 1.5 mile SW of Neenach School, c. 0.75 mi. SW of VABM 'Pine', south of peak 3413 1012 Comment
  RSA592020  Lotus strigosus Mark Hoefs, Doug Propst 1973-3-14 84 Los Angeles Santa Catalina Island. Ridge between Cape and Skull Canyons. 305 Comment
  RSA713819  Lotus strigosus A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale 2003-4-30 26233 Los Angeles Western San Gabriel Mtns: Castaic, south side of Lake Hughes Rd. near Ridge Route, west of Castaic Creek, Newhall Ranch property. 351 Comment
  UC557701  Lotus strigosus Nell Murbarger Mar 1936 22 Los Angeles San Clemente Island Comment
  UCR124580  Lotus strigosus B. C. Templeton, I. W. Clokey 1930-4-8 1025 Los Angeles San Gabriel Mtns., 1 mile north of Elizabeth Lake 976 Comment
  UCR125412  Lotus strigosus A. C. Sanders, Mark Elvin 2003-3-5 25734 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
  RSA608061  Lotus strigosus L. C. Wheeler 1931-2-14 s.n. Los Angeles Johnson's Pasture: (vicinity of Claremont). Comment
  RSA618719  Lotus strigosus var. strigosus Scott D. White, Sandy Leatherman 1998-5-19 6532 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, between 1-5 fwy./ Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  RSA592364  Lotus unifoliolatus Mark Hoefs 1974-4-30 440 Los Angeles Santa Catalina Island 84 Comment
  RSA406350  Lotus wrangelianus M. B. Dunkle 1929-4-7 2100 Los Angeles White's Landing, Santa Catalina Island. Comment
  RSA406358  Lotus wrangelianus Anstruther Davidson 1890-04 s.n. Los Angeles [no locality information provided] Comment
  RSA0085605  Lunaria annua R. G. Swinney 2010-8-26 13588 Los Angeles North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 720 Comment
  RSA772285  Lupinus R. G. Swinney 2009-5-9 10707 Los Angeles Azusa, San Gabriel River near Van Tassel Canyon confluence, 1.2 miles north of Foothill Blvd. on east side of El Encanto Parkway. 183 Comment
  SD241017  Lupinus R. G. Swinney 2009-4-17 10395 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: Azusa, San Gabriel Canyon wash, 0.1 - 0.5 mi. west of San Gabriel River Bike path parking lot, at Azusa Canyon Rd (Hwy 39), c. 0.6 mi. north of Sierra Madre Ave. 213 Comment
  UCD170858  Lupinus R. G. Swinney 2009-5-13 10791 Los Angeles Transverse Range; San Gabriel Mtns. Foothills, Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  UCR149900  Lupinus R. G. Swinney 1999-6-18 7317 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 Comment
  OBI28052  Lupinus David J. Keil, Dirk R. Walters 1977-4-30 12285 Los Angeles On S side of Calif Rte 138 in vicinity of jctn with Los Angeles Co Rd N-2 across hwy from Quail reservoir Comment
  SEINET12154338  Lupinus albifrons J. F. Bright, Wyman, C. 1931-1 5589 Los Angeles Manhattan Beach Comment
  CAS-BOT-BC201415  Lupinus albifrons var. albifrons E. R. Blakley 1963-4-7 5536 Los Angeles Farnsworth Spring NW of Avalon on the Island rd., Santa Catalina Island 365 Comment
  RSA0087025  Lupinus bicolor R. G. Swinney 2010-6-1 13085 Los Angeles Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1067 Comment
  RSA717033  Lupinus bicolor Gary Kovnat, LeRoy Gross 2003-2-16 29 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. 683 Comment
  SBBG38745  Lupinus bicolor M. B. Dunkle 1939-4-6 7321 Los Angeles San Clemente Island [Mosquito Ridge) Comment
  SD186206  Lupinus bicolor A. C. Sanders, Helen Kennedy 2005-4-13 29433 Los Angeles San Gabriel/Liebre Mountains, lower Mint Canyon at the community of Mint Canyon. 456 Comment
  UC1870319  Lupinus bicolor LeRoy Gross 2005-4-28 2165 Los Angeles [Transverse Ranges; San Gabriel Mountains region]; Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road. Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Than dropped off ridge into Comment
  UCR259944  Lupinus bicolor R. G. Swinney 2010-6-1 13085 Los Angeles San Gabriel Mountains, Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1098 Comment
  UCR271191  Lupinus bicolor R. G. Swinney 2011-6-6 14996 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  UC1183624  Lupinus bicolor Dave Dunn 1941-3-29 968 Los Angeles at Foothill Blvd. Sierra Madre Sierra Madre Comment
  RSA598866  Lupinus bicolor subsp. marginatus Steve Boyd, T. S. Ross 1997-3-21 9243 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
  POM350036  Lupinus bicolor subsp. microphyllus Richard C. Barkelew 1929-4-22 16772 Los Angeles Malibu Hill, Los Angeles Comment
  POM350055  Lupinus bicolor subsp. microphyllus A. Menke, Sonntag 1955-4-16 s.n. Los Angeles 1 mile south-east of Gorman. Comment
  SEINET10484888  Lupinus bicolor subsp. microphyllus David B. Dunn 1946-4-20 Dunn 2149 Los Angeles Station 65, west margin of Mohave Desert. Comment
  RSA407115  Lupinus chamissonis Howard Mullins 1931-2-21 s.n. Los Angeles El Segundo. Comment
  RSA586644  Lupinus concinnus Orlando Mistretta 1995-6-1 1756 Los Angeles Carr Canyon. San Gabriel Mountains. 976 Comment
  RSA330795  Lupinus elatus Wayne E. Sawyer 1981-7-12 92 Los Angeles Junction of crest trail and trail to Crystal Lake area 0.15 miles S of Little Jimmy Spring 2302 Comment
  CLARK-A1703-1192  Lupinus excubitus Charles S. Papp 1964-4-23 435 Los Angeles Claremont Comment
  CHSC14169  Lupinus excubitus var. hallii L. M. Mayer; I. J. Mayer 1974-4-6 137 Los Angeles Ca. 1/2 mi from Tapia Park on w side of Las Virgenes/ Malibu Canyon Rd. Comment
  CAS-BOT-BC216538  Lupinus excubitus var. johnstonii Carl B. Wolf 1936-5-2 7853 Los Angeles 2.4 miles above Tie Camp Summit, Aliso Canyon to Buckhorn Flats Road, San Gabriel Mountains 1706 Comment
  CAS-BOT-BC8448  Lupinus excubitus var. johnstonii Ivan Murray Johnston 1917-6-20 1491 Los Angeles San Antonio Mountains. Baldy Lookout of U.S.F.S. 1981 Comment
  SD113401  Lupinus flavoculatus Darley F. Howe 1947-5-5 1598 Los Angeles Between Littlerock and Palmdale, Mojave Desert. Comment
  SBBG121865  Lupinus formosus A. Parikh, N. Gale 2005-6-15 780 Los Angeles Portal Ridge, 0.9 km NNW of intersection of N2/Johnson Rd, 1.5 km E of intersection of N2/Munz Ranch Rd; Liebre Mtns 1060 Comment
  OBI12897  Lupinus formosus D. H. Thomson 1944-5-7 s.n. Los Angeles Burbank; Verdugo Hills 671 Comment
  UCR68848  Lupinus guadalupensis Steve Boyd, Orlando Mistretta, L. Arnseth, B. O'Brian, T. Hayduk 1990-4-6 4166 Los Angeles Channel Islands, San Clemente Island, head of Larkspur Canyon, E side of island, south of US Navy site called 'Jack 213 Comment
  RSA0119949  Lupinus hirsutissimus R. G. Swinney 2014-5-21 16617 Los Angeles San Gabriel Mountains; Glendora, along ridgetop and n. side of ridge, due south of the w. fork of Harrow Cyn., n. of the terminus of Glendora Ave., along historic and un-used Whitcomb Trail, trail abandoned in early 1970's. 549 Comment
  RSA279122  Lupinus hirsutissimus R. F. Thorne 1971-3-18 41489 Los Angeles Cobal Canyon, 3 miles N of Claremont. 502 Comment
  RSA0114165  Lupinus hirsutissimus Steven A. Junak 1998-6-13 SCa- 752 Los Angeles Santa Catalina Island. W side of Avalon Canyon, upslope from fire station. 140 Comment
  SD37893  Lupinus hirsutissimus Edith A. Purer 1931-2-28 Los Angeles Verdug[a] Hills, on hillsides Comment
  UCD107820  Lupinus hirsutissimus Elise Jackson 1993-3-21 11 Los Angeles Newhall; NE corner of Dockweiler Rd. and Sierra Hwy. Comment
  RSA0077377  Lupinus hyacinthinus Orlando Mistretta 1994-6-15 s.n. Los Angeles San Gabriel Mountains: Little Rock Creek Management Unit; Santiago Canyon Section. 1158 Comment
  RSA588680  Lupinus latifolius subsp. latifolius Orlando Mistretta 1995-7-12 1910 Los Angeles San Gabriel Mountains, Little Rock Creek, confluence of Dry Creek and Litle Rock Creek 1082 Comment
  RSA642707  Lupinus latifolius var. parishii Orlando Mistretta 1992-7-13 698 Los Angeles Los Pinetos Spring Canyon Trail. Comment
  POM203864  Lupinus longifolius Charlotte M. Hoak 1933-7-1 s.n. Los Angeles Pacific Palisades, Santa Monica, Los Angeles. Comment
  UC177216  Lupinus microcarpus var. densiflorus S. B. Parish 1914-5-27 9256 Los Angeles near the summit Teforo Pass (Tejon Pass?) (Southern California); near the summit of Teforo Pass (Tejon Pass?) Comment
  UC130904  Lupinus odoratus Katharine Brandegee May 1909 Los Angeles Lancaster Comment
  LA210999  Lupinus propinquus Martin Montes; Mark A. Elvin 2013-3-24 4 Los Angeles Along Hwy 101 in the city, NE-facing sloep and environs near N Oxford Ave. between Western Ave. and Santa Monica Blvd. 102 Comment
  RSA0101380  Lupinus sparsiflorus Scott D. White, Pam De Vries 1998-4-20 6323 Los Angeles Soledad Canyon Area: Proposed quarry area N of Soledad Cyn. Rd., S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Cyn. 580 Comment
  SBBG3696  Lupinus sparsiflorus H. and M. Dearing 1938-5-22 1946 Los Angeles Decker Ranch Rd Comment
  UCR258705  Lupinus sparsiflorus R. G. Swinney 2010-3-22 12019 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  UCD109481  Lupinus sparsiflorus Daryl Koutnik; Vickie Dawes 1978-5-12 483 Los Angeles Arroyo Sequit along Mulholland Highway. 609 Comment
  CATA475  Lupinus succulentus Sara L. Crockett 1997-3-28 617 Los Angeles Santa Catalina Island: End of Cat Harbor Road, NE side of Cat Harbor 15 Comment
  UC729563  Lupinus succulentus Carl B. Wolf 1932-5-9 3420 Los Angeles Avalon Santa Catalina Island (near bathhouse, Santa Catalina Island); , Avalon Comment
  LA52452  Lupinus truncatus Carl Epling; L. Ellison 1929-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA599785  Lupinus truncatus Steve Boyd, Lauren Raz 1997-3-25 9278 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain, flats and slopes just northeast of ranch compound. 976 Comment
  RSA414375  Lupinus truncatus E. S. Spalding 1924-5-3 s.n. Los Angeles Manhattan Beach Comment
  SEINET10837887  Lupinus truncatus Gerhardt Bakker 1947-2-2 Bakker s.n. Los Angeles Collected in Soledad Canyon, Vasquez Rocks, Mohave Desert. Comment
  JEPS11765  Lycium andersonii Dr. C. C. Parry Mar 1888 Los Angeles Lancaster Mojave Desert Comment
  UC1595441  Lycium andersonii Tim Ross 1992-4-4 6066 Los Angeles 1 mi se Black Butte (middle butte of the three); Mojave Desert, Three Sisters, El Mirage U.S.G.S. 7.5'Quad. 969 Comment
  RSA611520  Lycium cooperi Louis C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mountains: Pallett Creek 1280 Comment
  RSA451793  Lyonothamnus floribundus subsp. floribundus M. B. Dunkle 1928-5-27 1981 Los Angeles Head of Gallagher's Canyon, San Clemente Island Comment
  UC124596  Lyonothamnus floribundus subsp. floribundus H. M. Hall 1908-6-15 8277 Los Angeles along sides Swain's Canyon (lowest grove); Santa Catalina Island Comment
  CATA1599  Lysimachia arvensis Mark L. Hoefs, Robert F. Thorne 1998-4-25 2868 Los Angeles Santa Catalina Island: At Echo Lake 402 Comment
  POM158111  Lythrum californicum L. R. Abrams 1902-8-8 2962 Los Angeles Ballona Creek near Mesmer Comment
  UCR61041  Lythrum californicum R. G. Swinney 1989-6-25 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park, in Big Dalton Canyon 366 Comment
  UCR150989  Maclura pomifera L. C. Wheeler 1959-4-26 7529 Los Angeles Transverse Ranges; San Gabriel Mtns region, San Gabriel Mtns: E side of Prieto Canyon [E side of Arroyo Seco], near mouth; west of Dr. Jensen's [Broadview?] Sanitarium 137 Comment
  LA38636  Madia exigua Henry J. Thompson; 1959-5-24 2021 Los Angeles Santa Monica Mountains, Saddle Peak, 0.6 mi ENE of peak 701 Comment
  UCR204433  Madia gracilis R. G. Swinney 2003-5-12 8199 Los Angeles San Gabriel Mountains, Glendora, Big Dalton Canyon Wilderness Park, c. 0.5 mi. S of Big Dalton Cyn. Rd. and c. 0.9 mi. E of Glendora Mtn. Rd., 100 yds N of Big Cienega Spring Rd. 610 Comment
  RSA188371  Madia sativa R. F. Thorne, Percy C. Everett 1965-6-22 34910 Los Angeles Santa Catalina Island, above Avalon. 152 Comment
  NY24352  Mahonia nevinii F. Franceschi 1893-1 s.n. Los Angeles San Fernando Comment
  UCSB33708  Maianthemum stellatum Miller, Brian 1960-7-6 Los Angeles Dawson's Saddle area, San Gabriel, Mountains 2316 Comment
  SBBG109047  Malacothamnus clementinus S. A. Junak 1996-5-29 SCl 541 Los Angeles China Cyn, ca. 1.55 mi inland from bridge across mouth of cyn 106 Comment
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Jun 19 2014
  RSA660998  Malacothamnus fasciculatus LeRoy Gross 2001-5-27 418 Los Angeles Verdugo Mountains, northwest side; Dead end street at corner of Tuxford St. and Ledge Ave. just north of La Tuna Canyon Road in city of Sun Valley, just west of mouth of McDonald Creek . 427 Comment
  RSA0078600  Malacothamnus fasciculatus Ira W. Clokey, B. Templeton 1929-05 4553 Los Angeles Mandeville Canyon, Santa Monica Mountains. 500 Comment
  UC625105  Malacothamnus fasciculatus var. catalinensis F. R. Fosberg 1931-5-5 S 4770 Los Angeles Middle Ranch Dam; Santa Catalina Island; Middle Ranch Canyon 200 Comment
  CHSC5105  Malacothamnus fasciculatus var. fasciculatus M. MacArthur 1967-7-22 90 Los Angeles Ca. 1 mi from Hwy 101 and ocean, along left side of Latigo Canyon Rd., Santa Monica Mts. 152 Comment
  UC1122012  Malacothamnus fasciculatus var. fasciculatus G. T. Nordstrom 1935-2-1 326 Los Angeles 1 1/2 mi e Mouth of Bearstrap Canyon; Tejon Quadrangle, Los Angeles National Forest Comment
  UC1375262  Malacothamnus orbiculatus Robert F. Thorne and C. W. Tilforth 1971-6-29 40710 Los Angeles at Tie Canyon where crossed by Angeles Forest Rd.; San Gabriel Mountains, Angeles National Forest, Aliso Creek 1371 Comment
  POM362256  Malacothrix californica Anstruther Davidson s.n. Los Angeles Burbank. Comment
  UC1215243  Malacothrix foliosa Peter H. Raven 1962-4-11 17279 Los Angeles on sandy beach due w Wall 2; San Clemente Island 9 Comment
  UC483369  Malacothrix foliosa L. R. Abrams and I. L. Wiggins 1931-7-6 339 Los Angeles vicinity Mosquito Harbor; San Clemente Island Comment
  UC92211  Malacothrix foliosa Nevin and Lyon 1885-1 601 Los Angeles San Clemente Comment
  SEINET2053708 Image available Malacothrix glabrata J. Harry Lehr 1971-4-12 320 Los Angeles North side Rt. 138, 7.1 mi. east of Pear Blossom. 1219 Comment
  UCR197780  Malacothrix glabrata Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 111 Los Angeles Transverse Ranges; San Gabriel Mountains, north side of the mountains, right at the north end of Bob's Gap 1220 Comment
  SBBG44741  Malacothrix glabrata Leota Davidson 1965-5-9 125 a Los Angeles ca. 6-10 mi E of Littlerock Comment
  RSA660400  Malacothrix saxatilis var. tenuifolia Orlando Mistretta 1992-6-17 589 Los Angeles Road 2N09 EA. Curtiss Haul Road, Cow Canyon. From 2nd drainage down to Cattle Canyon. Comment
  UCR160092  Malacothrix saxatilis var. tenuifolia Orlando Mistretta 1992-7-17 730 Los Angeles Transverse Ranges: San Gabriel Mountains, San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District 402 Comment
  CAS-BOT-BC167859  Malosma laurina H. E. McMinn 1924-7-25 1306 Los Angeles Catalina Island Comment
  CAS-BOT-BC167868  Malosma laurina LeRoy Abrams 1902-7-2 2639 Los Angeles Little Santa Anita Canyon Comment
  CATA2059  Malosma laurina Steven A. Junak, Keri Kirkland 1998-7-17 Los Angeles Santa Catalina Island: Lower portion of Silver Canyon, about 0.5 air miles inland from beach 36 Comment
  RSA386394  Malosma laurina E. S. Spalding 1925-9-19 s.n. Los Angeles Avalon Canyon, Santa Catalina Island. Comment
  RSA673611  Malosma laurina LeRoy Gross 2002-12-8 s.n. Los Angeles City of Sunland. Housing tract on south bluff of Big Tunjuna Wash. 335 Comment
  SBBG12014  Malosma laurina E. R. Blakley 1961-9-24 4763 Los Angeles Fourth of July Cove 15 Comment
  SBBG44679  Malosma laurina W. A. Wright 1931-2-19 Los Angeles Bannings Cyn Comment
  RSA598652  Malus sylvestris Louis C. Wheeler 1966-11-30 9164 Los Angeles San Gabriel Mountains. North side Mt. Sally, headwaters of Upper Big Tujunga Canyon by Angeles Crest Highway, ca. 1 mi. east Shortcut Picnic Grounds. 1524 Comment
  SBBG17784  Malva parviflora P. H. Raven 1962-4-9 17129 Los Angeles near barracks, Wilson Cove 60 Comment
  RSA681300  Malva parviflora LeRoy Gross, Valerie Soza 2003-5-15 918 Los Angeles Northwest side of mountains: North of La Tuna Canyon road, started at end of Elben Ave., Climbed north to ridgetop, south of McDonald Creek, then east along ridgeline, then we came back down into a small canyon at the end of Elben Place, just east of where we started. 366 Comment
  SBBG98085  Malva parviflora T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5105 Los Angeles above Nots Pier on rd near the top of the E escarpment, 1400 ft NNW of the 553 ft Benchmark 138 Comment
  UCSB47297  Malva parviflora Kaplan, Lisa 1979-3-10 Los Angeles Crest Rd., 1 mile north of Ganado Dr. Rancho Palos Verdes 335 Comment
  SBBG19194  Marah macrocarpa M. A. Piehl 1965-12-7 631064 Los Angeles base of Pyramid Head 6 Comment
  SBBG25462  Marah macrocarpa K. A. Wilson 1961-3-11 973 Los Angeles Placerita Cyn Rd, small cyn 1 mi W of Placerita Cyn State Park Comment
  SBBG26468  Marah macrocarpa M. R. Benedict 1965-12-12 Los Angeles ridge above W Parson's Beach 6 Comment
  RSA133806  Marah macrocarpa P. H. Raven 1959-2-15 s.n. Los Angeles Benedict Canyon at Mulholland Drive. Santa Monica Mtns. 335 Comment
  SFV15545  Marah macrocarpa R. K. Stachelek 1992-4-4 7 Los Angeles Sylmar. Stetson Ranch Park off Glenoaks. Comment
  UCR129389  Marah macrocarpa var. major B. C. Templeton 1968-2-25 11394 Los Angeles Channel Islands, Santa Catalina Island, near the isthmus 76 Comment
  CAS-BOT-BC422747  Meconella denticulata John H. Thomas 1957-5-25 6776 Los Angeles San Gabriel Mountains. Western side of Santa Anita Canyon about 7 miles NNE of Pasadena. 609 Comment
  LA200734  Meconella denticulata Martha Hilend; 1929-4-10 347 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  POM348065  Medicago sativa Edwin Kline 1924-6-11 s.n. Los Angeles Los Angeles. Comment
  SFV20826  Medicago sativa L. Gross 2002-6-24 543 Los Angeles Verdugo Mountains Along La Tuna Canyon Road. 488 Comment
  UCR51054  Melaleuca viminalis A. C. Sanders 1988-3-17 7727 Los Angeles Pacific Coast, El Segundo Dunes, immediately west of the LA International airport and Pershing Dr., east of Vista Del Mar Blvd. 30 Comment
  CAS-BOT-BC281532  Melica imperfecta Peter H. Raven; Robert F. Thorne 1964-5-7 19006 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts Comment
  UCD87882  Melica imperfecta Daryl Koutnik 1978-4-28 430 Los Angeles Along fireroad north of Mulholland Hwy and northwest of Saddle Rock. 609 Comment
  UCR260381  Melica imperfecta R. G. Swinney 2010-4-23 12374 Los Angeles San Gabriel Mountains/Verdugo Mountains, east end of Hansen Dam Basin, on N side of Big Tujunga Wash channel, 0.1-0.5 miles E of Orcas Park 341 Comment
  SEINET4671613  Melica imperfecta H. Jensen 1933-4-3 279 Los Angeles OFF Forests (CAL, S), Sierra Pelona Valley 823 Comment
  POM348151  Melilotus albus Ora M. Clark 1929-2-3 1503 Los Angeles Topango [Topanga] Canyon Comment
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May 29 2014
  RSA167815  Melilotus indicus Robert F. Thorne, Percy C. Everett 1964-2-7 33455 Los Angeles Weed at lower end of Pebbly Beach Canyon at base of building, E end of Santa Catalina Island. 76 Comment
  RSA187878  Melilotus indicus R. F. Thorne 1966-4-4 35764 Los Angeles Santa Catalina Island: Bluff SE of Ballast Point and Catalina Harbor, Isthmus 61 Comment
  SBBG20536  Melilotus indicus E. R. Blakley 1963-12-7 6368 Los Angeles 200 yds SE of new air strip 60 Comment
  UCR131433  Melilotus indicus Alison Lipman 1998-5-6 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  LA200492  Melilotus indicus Carl Epling; M. Epling 1925-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA0080720  Mentzelia R. G. Swinney 2010-5-12 12757 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
  SEINET3412972 Image available Mentzelia affinis Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-18 7994 Los Angeles Mojave Desert; Antelope Valley, north of Lancaster, 100 m west of Sierra Highway and 200 m south of Avenue A 703 Comment
  UCSB33239  Mentzelia albicaulis Partsch, M. 1977-5-14 Los Angeles Along Palmdale Blvd. at 140th St. east 1066 Comment
  VVC2927  Mentzelia albicaulis Tim Thomas 2014-5-4 6286 Los Angeles Mojave Desert, Antelope Valley 2.6 miles north of Neenach, just east of aqueduct just south of Ave A. 884 Comment
  RSA69691  Mentzelia albicaulis F. W. Peirson 1917-5-13 749 Los Angeles Near Big Rock Creek, Mojave Desert; San Gabriel Mountains. Comment
  UCR100973  Mentzelia congesta R. G. Swinney 1996-5-27 4737 Los Angeles Eastern San Gabriel Mtns, east of Table Mountain and NW of Wright Ridge 2274 Comment
  RSA229144  Mentzelia congesta Robert F. Thorne, C. W. Tilforth 1971-6-30 s.n. Los Angeles San Gabriel Mts., Angeles National Forest: Desiccated branch of S fork of Little Rock Creek, 1.8 miles below Alder Saddle in Pinyon Flats area. 1555 Comment
  RSA0116573  Mentzelia laevicaulis R. G. Swinney 2010-9-30 13934 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
  UCR147288  Mentzelia laevicaulis Orlando Mistretta 1992-6-17 592 Los Angeles Transverse Ranges; San Gabriel Mountains, Road 2N09 EA. Curtiss Haul Road, Cow Canyon. From 2nd drainage down to Cattle Canyon Comment
  CATA1540  Mentzelia micrantha Mark L. Hoefs, Steven A. Junak 1997-6-4 2767 Los Angeles Santa Catalina Island: End of road, past Empire Landing quarry 30 Comment
  CATA1657  Mentzelia micrantha Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Lisa Stratton 1998-7-16 2944 Los Angeles Santa Catalina Island: Lyon's Head Point, west side of Fourth of July Cove 30 Comment
  UC1211157  Mentzelia micrantha Huron H. Smith 1912-5-31 5054 Los Angeles Pebble Beach Road Santa Catalina Isl. 7 Comment
  UCR139369  Mentzelia montana I. M. Johnston 1917-7-1 1755 Los Angeles San Gabriel Mtns., Brown's Flat 1372 Comment
  UCR271979  Mentzelia veatchiana R. G. Swinney 2011-5-31 14887 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
  RSA3503  Mesembryanthemum nodiflorum C. B. Wolf 1932-5-9 3446 Los Angeles Pebbly Beach, Santa Catalina Island. 8 Comment
  LA47054  Microseris heterocarpa Peter H. Raven; 1960-4-8 15018 Los Angeles 213 Comment
  UCR126898  Microseris lindleyi A. C. Sanders, Tricia Wotipka, Mark A. Elvin, and others 2003-4-29 26150 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east Lake Hughes Road 488 Comment
  UCR228144  Microseris lindleyi R. F. Thorne 1965-5-10 34483 Los Angeles Channel Islands, Santa Catalina Island, upper end of Gallagher Canyon 412 Comment
  POM363468  Microseris lindleyi Grinnell 1921-4-3 15737 Los Angeles Santa Monica Mts, Pacoima Canyon Comment
  UCSB23321  Microsteris gracilis Keefe, Joseph 1967-2-17 Los Angeles Hungry Valley Road; 1 mile south of U.S. Highway 99; southwest of Gorman 1158 Comment
  UCR189962  Mimulus R. G. Swinney 1998-6-12 6959 Los Angeles San Gabriel Mtns., NW of Jackson Lake at Ball Flat, 0.7 mi. north of Big Pines Hwy on 4N16, Ball Flats Rd. 1890 Comment
  LA35262  Mimulus aurantiacus Mary V. Hood; 1943-4-4 43 10 k* Los Angeles SANTA MONICA MOUNTAINS, Griffith Park, below Griffith Park Observatory. Comment
  LA209107  Mimulus aurantiacus var. pubescens Murray; Williams , Streel [?] 1919-4-5 Los Angeles Puddingstone canyon, San Dimas Comment
  RSA580984  Mimulus aurantiacus var. pubescens Catherine A. Mish 1995-3-4 11 Los Angeles Santa Monica Mountains, Hollywood Reservoir. 250 Comment
  UC1211020  Mimulus aurantiacus var. puniceus Huron H. Smith 1912-6-14 5107 Los Angeles Silver Canyon Santa Catalina Isl. 487 Comment
  RSA420383  Mimulus brevipes G. R. Johnstone 1925-4-10 s.n. Los Angeles Mt. Lowe. Comment
  RSA0082407  Mimulus cardinalis R. G. Swinney 2010-9-7 13721 Los Angeles NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks. 1768 Comment
  SFV5498  Mimulus cardinalis W. A. Kelley Jun 1967 Los Angeles Santa Monica Mountains Studio City, near Laurel Canyon. Comment
  RSA132232  Mimulus cardinalis Gale Sphon 1959-6-27 376 Los Angeles West of junction of Big Rock Creek Road with paved road, San Gabriel Mountains. 2058 Comment
  RSA279127  Mimulus cardinalis D. Propst, M. Hoefs 1974-9-12 45106 Los Angeles Santa Catalina Island. Cottonwood Canyon below Rancho Escondido. 107 Comment
  RSA420684  Mimulus cardinalis George R. Johnston 1930-9-14 13936 Los Angeles Near Oak Hilde. Comment
  UCR110878  Mimulus floribundus A. C. Sanders, D. Malueg, K. D. Jones 1998-6-22 22008 Los Angeles San Gabriel Mtns., Soledad Pass area at the N foot of the mtns, c. 5 miles SW of Palmdale, along SCE Mesa-Vincent power line at pole 18-03, just south of Vincent Substation 1000 Comment
  RSA724666  Mimulus guttatus K. Dobry 1991-6-28 f- 884 Los Angeles Santa Monica Mts. Las Virgenes Rd. and Mulholland Hwy. at Soka Univ., E. Section Comment
  SBBG31123  Mimulus guttatus R. F. Thorne 1966-4-29 36300 Los Angeles upper Middle Ranch Cyn 274 Comment
  RSA421061  Mimulus johnstonii Anstruther Davidson 1893-8-20 s.n. Los Angeles Wilson's Peak Comment
  UC1409142  Mimulus nasutus Robert F. Thorne 1973-4-11 42837 Los Angeles Norton Canyon San Clemente Island 274 Comment
  SBBG126197  Mimulus parishii R. G. Swinney 2005-7-21 8313 Los Angeles Juniper Hills, 0.4 mi S of jct of Longview Rd and Tumbleweed Rd, Mike Booth property; San Gabriel Mtns 1216 Comment
  RSA681045  Mimulus pilosus Scott D. White 2003-6-2 9443 Los Angeles Puente Hills: City of Industry, just northwest of SR 60 / SR 57 freeway at Grand Ave. exit. 183 Comment
  RSA777361  Mimulus pilosus Orlando Mistretta, Christine Mistretta 2010-5-19 5114 Los Angeles Aliso Canyon; approximately 1.75 mile NW of the intersection of Aliso Cyn and the Angeles Forest Hwy. 1103 Comment
  UCR277020  Mimulus rubellus R. G. Swinney 2010-9-30 13923 Los Angeles San Gabriel Mountains, 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
  RSA608899  Minuartia douglasii L. C. Wheeler 1931-4-8 s.n. Los Angeles San Gabriel Mountains: San Dimas Canyon. Comment
  UC1930009  Minuartia douglasii V. Soza, LeRoy Gross 2002-4-3 1379 Los Angeles Transverse Ranges; Liebre Mountains region; West side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. Comment
  UC205827  Minuartia douglasii P. A. Munz 1919-4-5 2425 Los Angeles Puddingstone Canyon San Dimas Comment
  UCR95444  Mirabilis californica var. californica L. C. Wheeler 1967-4-30 9245 Los Angeles San Gabriel Mtns, Limekiln Canyon 564 Comment
  UCR223269  Mirabilis jalapa R. G. Swinney 2009-8-19 11453 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Canyon Wilderness Park, 50 m north of rental cabins 366 Comment
  LA200671  Mirabilis laevis var. crassifolia E. Lloyd; 1933-4-8 sn Los Angeles Santa Monica Mountains, Temescal Canyon 91 Comment
  RSA213363  Mirabilis laevis var. crassifolia Reid V. Moran 1941-3-14 706 Los Angeles Santa Catalina Island. On ridge north of Middle Ranch. 300 Comment
  RSA464665  Mirabilis laevis var. crassifolia Mark Morris 1929-3-11 s.n. Los Angeles Griffith Park - Los Angeles. Comment
  SDSU8453  Mirabilis laevis var. crassifolia Gerald Collier 1951-3-22 M 151 Los Angeles Faculty Hill; 1/2 mile West of UCLA campus-slope leading to dry ravine. Comment
  UC7636  Mirabilis laevis var. retrorsa J. Burtt Davy May 9-24 1896 2294 Los Angeles Antelope Valley Comment
  CDA23888  Mirabilis multiflora var. pubescens T. C. Fuller 1963-6-25 10701 Los Angeles North side of Avenue D (Highway 138) to Lancaster, 0.9 mile east of 24th Street, 19.4 miles east of Gorman, west of Mojave Desert. 0 Comment
  UCR219246  Modiola caroliniana Lorraine Weller 2009-8-19 081909- 04 A Los Angeles Crenshaw Community Garden, 1423 Crenshaw Blvd., Los Angeles 57 Comment
  CAS-BOT-BC219913  Monardella breweri subsp. glandulifera Louis C. Wheeler 1932-7-2 918 Los Angeles Ridge S. Brown Flat, San Gabriel Mts. 1371 Comment
  UCR179452  Monardella breweri subsp. glandulifera R. G. Swinney, Dave Larson 1996-7-17 5119 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  RSA774791  Monardella breweri subsp. lanceolata R. G. Swinney 2009-7-23 11382 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  SEINET1910802  Monardella macrantha Elizabeth McClintock 1941-1 133 Los Angeles Julian. About 1 1/2 miles from Julian on Highway 78 turn right on dirt road, and go about .2 mile. This is a short distance from the turn off to Volcan View Drive. Comment
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Mar 23 2014
  RSA126754  Monolopia lanceolata G. T. Nordstrom 1935-4-6 416 Los Angeles 1 mile SSE of Gorman. 1067 Comment
  UCSB17221  Monoptilon bellioides Wright, David 1963-5-3 Los Angeles Along roadside 3.6 miles south-east of Victorville turnoff on California Highway 138 1051 Comment
  SD253499  Montia fontana R. G. Swinney 2011-6-23 15280 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station (Chilao Flat 7.5'Q) 1570 Comment
  RSA13754  Montia fontana L. C. Wheeler 1934-2-13 2380 Los Angeles 1 mi. NE Puddingstone Dam (Harwood Hill) San Jose Hills. 351 Comment
  RSA733133  Muhlenbergia californica R. G. Swinney 1998-7-30 6595 Los Angeles San Gabriel Mtns.: lowest large waterfall in Spruce Canyon, a tributary from the west of San Antonio Canyon 976 Comment
  UCR210227  Muhlenbergia californica R. G. Swinney 2008-9-10 9422 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek 1463 Comment
  CAS-BOT-BC275287  Muhlenbergia microsperma Louis C. Wheeler 1932-3-12 463 Los Angeles Mandeville Canyon, Santa Monica Mountains 121 Comment
  RSA0113754  Muhlenbergia microsperma Steven A. Junak 1999-5-20 SCa- 929 Los Angeles Santa Catalina Island. Along Cottonwood Road, 0.5 mi. E of reservoir. Plant stop. 207 Comment
  RSA588864  Muhlenbergia rigens Orlando Mistretta 1994-9-21 1486 Los Angeles Santiago Canyon at jct. of Forest Rd. 4N20 with Santiago Creek. 1220 Comment
  UCR67283  Muilla coronata Ed LaRue, R. Montijo 1991-4-2 91- 12 Los Angeles Western Mojave Desert, Palmdale: south of Avenue 'M' and east of Sierra Hwy; north of Air Force Plant 793 Comment
  UCR190794  Muilla maritima R. G. Swinney 2001-4-18 7926 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, east end of Holcomb Ridge at Bobs Gap 1280 Comment
  RSA252905  Muilla maritima Robert F. Thorne 1973-5-11 43565 Los Angeles 1.9 mi. W of Little Rock Creek [San Gabriel Mountains] 1158 Comment
  RSA518014  Muilla maritima Steve Boyd, Orlando Mistretta 1986-3-31 1550 Los Angeles Mojave Desert: Highway 138, 4 miles E of junction with Highway 18 NE of Pinyon Hills. Comment
  UCR214455  Myosurus minimus subsp. apus A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale, et al 2010-3-29 37633 Los Angeles Tehachapi Mtns. Foothills/ W Mojave Desert, ephemeral stream c. 0.7 mile ESE (103 deg. ) of Quail Lake, northeast of the intersection of the National Cement Plant Rd. and Hwy 138 1015 Comment
  UCD170398  Myriophyllum sibiricum R. G. Swinney 2008-12-4 9947 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1.8 mi. north of Sierra Madre Ave., north of bike trail parking lot, along flowing aqueduct of water filtration plant. 223 Comment
  SBBG132165  Nassella cernua S. A. Junak, B. Collins 1991-4-24 SCI 162 Los Angeles upper part of Eel Point grade 198 Comment
  RSA279058  Nassella lepida R. F. Thorne 1971-4-23 41486 Los Angeles Angeles National Forest; NE of Chantry Flats along Santa Anita Creek. 549 Comment
  SBBG119313  Nassella lepida V. Soza with L. Gross 2001-4-18 1136 Los Angeles between Little Santa Anita and Santa Anita Cyns 701 Comment
  RSA251420  Nassella pulchra R. F. Thorne 1966-4-17 36133 Los Angeles San Clemente Island, near Lemon Tank S of Nanny, NE side of island. 305 Comment
  RSA724984  Nassella pulchra K. Dobry 1991-6-22 d- 675 Los Angeles Santa Monica Mts 1 mi E of Las Virgenes off Mulholland Hwy at Soka Univ. NE section Comment
  RSA703840  Nasturtium officinale A. C. Sanders, Mark Elvin 2002-6-20 25225 Los Angeles NE end of Santa Susana Mtns.: Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river. 290 Comment
  UCSB51704  Nasturtium officinale Bishop, Richard 1967-5-14 Los Angeles Bull Creek, 1 mi. east of intersection of Balboa and Rinaldi Streets, Town of Granada Hills Comment
  RSA639706  Navarretia atractyloides L. C. Wheeler 1968-7-2 s.n. Los Angeles San Gabriel Mountains: Summit Johnstone Peak. 975 Comment
  RSA592028  Navarretia hamata Mark Hoefs, Doug Propst 1973-5-4 243 Los Angeles Santa Catalina Island: main road, 1/4 miles west of Little Harbor 30 Comment
  RSA244379  Navarretia hamata subsp. hamata Robin S. Collins 1973-5-15 282 Los Angeles Angeles National Forest, San Gabriel Mountains: Trail Canyon. 609 Comment
  RSA187831  Navarretia hamata subsp. leptantha R. F. Thorne 1966-4-7 25939 Los Angeles Santa Catalina Island: Cherry Valley. 61 Comment
  POM75592  Navarretia prostrata H. E. Hasse 1889-05 10106 Los Angeles Los Angeles Comment
  RSA75121  Nemacladus ramosissimus F. W. Peirson 1918-6-4 220 Los Angeles Burned area in Hlls east of Rubio Canyon Comment
  RSA576123  Nemophila menziesii Reid V. Moran 1941-3-6 681 Los Angeles Middle Ranch Canyon, Santa Catalina Island. 300 Comment
  RSA421377  Nemophila menziesii var. integrifolia W. P. Burger 1979-5-5 71 Los Angeles Angeles Forest Highway 3 miles from jct. with Angeles Crest Hwy, ca. 30 yds. up a small stream. 915 Comment
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Sep 25 2014
  RSA596000  Nemophila menziesii var. integrifolia Louis C. Wheeler 1967-5-2 9258 Los Angeles Liebre Mountains. North side of northwestern most end of foothills (of San Gabriel Mts.) between Bouquet Junction and Bonelli Ranch. 366 Comment
  RSA599791  Nemophila menziesii var. integrifolia Steve Boyd, Lauren Raz 1997-3-25 9284 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain, flats and slopes just northeast of ranch compound. 976 Comment
  RSA607224  Nemophila menziesii var. integrifolia Louis C. Wheeler 1968-5-31 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon. 1128 Comment
  POM3505  Nemophila menziesii var. menziesii E. L. Brown s.n. Los Angeles Hillsides, Pasadena Comment
  RSA421299  Nemophila menziesii var. menziesii Louis C. Wheeler 1932-4-9 588 Los Angeles 1 mi. W mouth Kings Canyon, near Elizabeth Lake. 976 Comment
  UCR102384  Nicandra physalodes L. C. Wheeler 1973-6-8 s.n. Los Angeles Coastal Plains & Basins; Los Angeles Basin region, Los Angeles: [Long Beach/Carson] SE of Alameda Street and San Diego (405) Fwy, between Sepulveda Blvd. & 233rd Street [Los Angeles Harbor Department, Classification Yard, east of Dominguez Flood Control channel] 8 Comment
  SEINET10801005  Nicolletia occidentalis David B. Dunn 1947-4-16 Dunn 2937 Los Angeles Along power line 5 miles east of Palmdale. Comment
  RSA725417  Nicotiana bigelovii K. Dobry 1991-6-27 d- 877 Los Angeles Santa Monica Mts 1 mi E of Las Virgenes Rd along Mulholland Hwy Comment
  RSA675006  Nicotiana glauca LeRoy Gross 2003-2-22 746 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
  UCR223676  Nicotiana glauca R. G. Swinney 2009-6-12 11125 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  UCR256475  Nicotiana glauca R. G. Swinney 2010-6-8 13207 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
  LA94877  Nicotiana glauca K. Larson; J. Neel 1950-4-2 32 Los Angeles SANTA MONICA MOUNTAINS, Mulhollanbd Dr 5 mi west of intersection with Beverly Glen. Comment
  SEINET10818928  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3950 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  UCR210339  Nothoscordum gracile A. C. Sanders, Lorraine Weller, Alejandra Martinez B. 2009-9-16 37189 Los Angeles Los Angeles Basin Region, Los Angeles, Watts area, Bouganvilla Community Garden, East 103rd St. at Grape St. 33 Comment
  CAS-BOT-BC167053  Oenothera californica Dr. Barton W. Evermann 1916-5-16 s.n. Los Angeles Saugus Comment
  UCR229159  Oenothera californica Dan S. Cooper 2011-5-5 511- 51 A Los Angeles Western Mojave Desert, Antelope Valley, 5.4 mi southeast (119 deg. ) of Neenach, south of Ripley Reserve, south of Hwy 138 938 Comment
  UC874205  Oenothera californica subsp. californica C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-5-13 4745 Los Angeles Bouquet Canyon 800 Comment
  POM3100  Oenothera elata subsp. hirsutissima D. L. Crawford 1915-7-18 s.n. Los Angeles Live Oak Canyon, Claremont Comment
  UCR206470  Oenothera rosea A. C. Sanders, T. B. Salvato 2009-5-20 36848 Los Angeles San Gabriel Valley, Rio Hondo at Rancho Lujan, between Montebello and South El Monte, east side of San Gabriel Blvd., SE of Darlington St. intersection 73 Comment
  UCR178383  Olea europaea LeRoy Gross 2003-3-7 755 Los Angeles Transverse Ranges, Verdugo Mountains, northwest side. Verdugo Crestline Dr. (fire road) just north of the 210 freeway. Sunland, off of Newhome Avenue, near west side at Topley Lane 555 Comment
  CATA1405  Oligomeris linifolia Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-11-9 2549 Los Angeles Santa Catalina Island: Slope behind Salta Verde Beach 3 Comment
  POM244225  Opuntia littoralis F. R. Fosberg 1931-5-18 S 4892 Los Angeles Santa Catalina Island, Little Harbor 3 Comment
  RSA748071  Opuntia littoralis Justin M. Wood 2009-6-5 842 Los Angeles Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  JEPS70818  Orobanche californica subsp. feudgei Robert Ornduff 1973-5-13 7899 Los Angeles Santiago Canyon, south of Acton. Comment
  UCR238100  Orobanche fasciculata Mark A. Elvin, Cathleen Weigand 2003-5-22 2902 Los Angeles Western Transverse Range; Santa Susana Mtns., crest of mountains at head of Salt Canyon, Newhall Ranch 915 Comment
  RSA286438  Osmorhiza brachypoda Mary H. O Brien 1976-4-30 s.n. Los Angeles Near Hwy 39, trail to Lewis Falls, 2.5 mi. above Coldbrook Camp and 100 m below Falling Springs Resort. 20 m up the trail along Soldier Creek. 1220 Comment
  UC1476940  Osmorhiza brachypoda Porter P. Lowry, II 1979-3-17 1482 Los Angeles off of San Antonio Canyon (n of Claremont, ca 1/2 mi up gravel road from main road); San Gabriel Mountains, Evey Canyon 750 Comment
  POM353429  Oxalis albicans subsp. pilosa Louis C. Wheeler 1932-3-12 479 Los Angeles Mandeville Canyon, Santa Monica Mts. 122 Comment
  LA50662  Oxalis californica Carl Epling; 1931-5-2 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  LA28440  Oxalis californica Harlan Lewis; 1940-4-3 1291 Los Angeles Santa Monica Mountains, Pacific Coast Hwy 15 mi N [W] of Malibu Comment
  CDA4722  Oxalis corniculata Phillipson 1915-7-8 Los Angeles Monrovia. Comment
  RSA670982  Oxalis pes-caprae Joseph M. Keefe 2001-1-19 30935 Los Angeles End of sidewalk along Eagle Rock View Drive, south facing slope, south face of the Eagle Rock. 293 Comment
  UCSB10191  Oxalis pilosa H., J. 1941-4-4 Los Angeles San Dimas Canyon, meadow south of San Dimas runoff plots, field no. 586 426 Comment
  RSA0110599  Oxytheca parishii var. parishii Richard G. Swinney 2010-9-30 13915 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
  RSA332049  Oxytheca parishii var. parishii Wayne E. Sawyer 1981-6-29 73 Los Angeles San Gabriel Mtns., Angeles National Forest: CA Hwy. 2 between Dawson Saddle and junction of CA Hwy. 39, 1.6 mi. from Dawson Saddle. 2302 Comment
  CAS-BOT-BC520324  Oxytheca trilobata R. G. Swinney 2011-6-29 15361 Los Angeles San Gabriel Mountains, Mill Creek, from 50 to 300 m downstream (S) from Monte Cristo Campgrund 1082 Comment
  RSA0080773  Oxytheca trilobata R. G. Swinney 2011-7-21 15543 Los Angeles Strawberry Peak summit. 1860 Comment
  RSA392789  Oxytheca trilobata Robert Kessler 1921-7-4 3447 Los Angeles Barley Flats, San Gabriel Mts. Comment
  RSA601331  Oxytheca trilobata Steve Boyd, Lauren Raz 1997-6-17 9965 Los Angeles Liebre Mountains region: Western end of Sawmill Mountain at saddle between Fish Canyon and first canyon west of Sawmill Canyon, along Forest Service road 7N23, ca. 0.7 road miles east of junction with 7N19., At the point where fuelbreak crosses the road. 1549 Comment
  UC147329  Packera breweri J. Burtt Davy 2650 Los Angeles Elizabeth Lake Comment
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Aug 2 2007
  RSA680107  Packera ionophylla LeRoy Gross, Michael Denslow 2003-6-4 987 Los Angeles Trail from Islip Saddle to South Fork Big Rock Creek. 0.5 to 0.7 mile down trail from the Saddle, before Reed Spring. 1921 Comment
  RSA339630  Paeonia californica Robert F. Thorne, M. Z. Thorne 1980-3-23 54010 Los Angeles Johnson's Pasture, above Claremont. 610 Comment
  UCR206507  Panicum miliaceum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36968 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  CAS-BOT-BC174779  Papaver californicum R. G. Swinney 2000-5-20 7696 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 39 905 Comment
  CATA253  Papaver heterophyllum Mark L. Hoefs, A. Douglas Propst 1973-5-4 253 Los Angeles Santa Catalina Island: By West End Road, near Lyon's Head Point 70 Comment
  RSA703455  Parapholis incurva R. E. Riefner Jr. 2004-4-20 4 -140 Los Angeles City of Long Beach, Middle Harbor area of San Gabriel River, West of Westminster Ave. 12 Comment
  SBBG19172  Parietaria hespera var. californica M. A. Piehl 1963-12-7 631034 Los Angeles point opposite Pyramid Head on SE tip of island 12 Comment
  RSA448014  Parietaria hespera var. hespera M. B. Dunkle 1939-4-3 7223 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  CATA1509  Paspalum dilatatum Mark L. Hoefs, Steven A. Junak 1996-7-9 2722 Los Angeles Santa Catalina Island: By bunkhouse at Middle Ranch, Middle Canyon 207 Comment
  UCR217712  Paspalum dilatatum A. C. Sanders, Dan S. Cooper 2010-8-5 38550 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  CAS-BOT-BC265635  Paspalum distichum Peter H. Raven; Henry J. Thompson 1959-10-14 14622 Los Angeles East end of Malibu Lake, Santa Monica Mountains 220 Comment
  RSA591405  Paspalum distichum L. C. Wheeler 1931-9-6 148 Los Angeles Puddingstone Dam 274 Comment
  UCR265515  Pectocarya linearis Dan S. Cooper 2015-3-3 315- 9 Los Angeles Los Angeles Basin/Western Transverse Range, Griffith Park, utility road on west flank of Burbank Peak 345 Comment
  SBBG79038  Pectocarya linearis subsp. ferocula F. R. Fosberg 1932-5-7 8158 Los Angeles ridge S of Grand Cyn 250 Comment
  SDSU20026  Pectocarya linearis subsp. ferocula Michael G. Simpson, Lori L. Simpson 2012-4-21 3678 Los Angeles Santa Catalina Island, top of ridge north of USC Marine station. 57 Comment
  JEPS85117  Pectocarya penicillata Roy E. Buck and Rexford Palmer 1989-4-29 1231 Los Angeles 2.7 km n Gorman Creek and Hungry Valley drainage confluence (10 km sse of Gorman); Lower Hungry Valley 922 Comment
  SFV12045  Pectocarya platycarpa D. L. Koutnik 1978-3-23 126 Los Angeles North side of State Highway 18 and just west of the Los Angeles-San Bernardino County line. 960 Comment
  CAS-BOT-BC67715  Pellaea andromedifolia Marcus E. Jones 1924-2-15 s.n. Los Angeles San Antonio Canyon, Claremont Comment
  LA200078  Pellaea andromedifolia Lawrence L. Kiefer; 1966-3-12 1671 Los Angeles SANTA MONICA MOUNTAINS, Decker Canyon Road ca 1 mi E of Ventura County line. 304 Comment
  RSA686719  Pellaea andromedifolia F. R. Fosberg 1931-4-15 R 91 Los Angeles Santa Catalina Island. Eagle's Nest, Middle Ranch Canyon. 180 Comment
  POM18423  Pellaea andromedifolia P. A. Munz 1923-4-9 6634 Los Angeles San Clemente Island: east coast. Comment
  RSA651028  Pellaea andromedifolia Witt, Smith, Prieur, Goebel, Hurley 1949-2-7 s.n. Los Angeles Santa Anita Canyon. 487 Comment
  POM6789  Pellaea andromedifolia var. andromedifolia Hilda Wood 1901-2-14 s.n. Los Angeles Glendora Comment
  RSA624056  Pellaea andromedifolia var. andromedifolia L. C. Wheeler 1967-5-23 9685 Los Angeles Near mouth of Bear Canyon, off Soledad Canyon 579 Comment
  CAS-BOT-BC71340  Pellaea mucronata Peter H. Raven; Henry J. Thompson 1959-4-3 13912 Los Angeles Las Flores Canyon 3.8 miles north of Coast Highway 548 Comment
  RSA656425  Pellaea mucronata subsp. mucronata Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 707 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. 579 Comment
  CATA3346  Pennisetum setaceum Julia Parish, Ben Dion 2017-2-9 012 Los Angeles Santa Catalina Island: Baker Dam Road, above gate 84 Comment
  RSA756738  Pennisetum setaceum R. G. Swinney 2008-6-24 9096 Los Angeles Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 244 Comment
  CHSC24202  Penstemon centranthifolius Tim P. Spira 1976-6-19 44 Los Angeles In field 1 mi e of Virgenes Rd., off of Mulholland Hwy. 152 Comment
  CHSC24207  Penstemon centranthifolius T. P. Spira 1976-7-12 63 Los Angeles Chilao Campground, off Angeles Crest Hwy (2). Comment
  POM11621  Penstemon centranthifolius Philip A. Munz 1921-6-18 4569 Los Angeles head of Sheep Creek (north slope of San Antonio Mountains) 1524 Comment
  RSA412452  Penstemon centranthifolius L. E. Hoffman 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles National Forest. Comment
  UC1280776  Penstemon grinnellii H. E. McMinn 1926-7-22 1789 Los Angeles Bear Flat trail trail to Mt. Baldy - Mt. San Antonio, Bear Flat trail (Trail to Mt. Baldy - Mt. San Antonio) Comment
  POM122668  Penstemon heterophyllus Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. [Santa Monica Mountains] Comment
  LA82046  Penstemon heterophyllus var. australis O. H. Kappler; 1940-5-19 24 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  JEPS11117  Penstemon labrosus Frank W. Peirson 1918-6-30 204 Los Angeles summit of Mt. Wilson San Gabriel Mountains, summit of Mt. Wilson 1752 Comment
  UCR223179  Penstemon labrosus R. G. Swinney 2009-7-22 11311 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  UCR223375  Penstemon labrosus R. G. Swinney 2009-7-23 11391 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  PASA1018  Penstemon palmeri Stason 1931-5-9 Los Angeles Near Willow Springs Comment
  CATA526  Pentagramma triangularis subsp. triangularis Sara L. Crockett 1997-4-29 677 Los Angeles Santa Catalina Island: End of unnamed road, 0.4 mile beyond jct. with road leading to Bulrush Canyon/Salta Verde, slope below barbed-wire fence line 420 Comment
  RSA600194  Perideridia pringlei Steve Boyd, Lauren Raz 1997-5-29 9908 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
  UC1611542  Perideridia pringlei Tim Ross, Steve Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3934 Los Angeles Liebre Mtn. Liebre Mountains (n slope, along upper portions of Pacific Crest Trail which follows ridge just e of Horse Camp Canyon) 1487 Comment
  RSA471843  Perityle emoryi F. R. Fosberg 1931-4-29 4715 Los Angeles 1/2 mile below Eagles nest Middle Ranch Canyon, Santa Catalina Island 160 Comment
  SD66866  Perityle emoryi R. Mitchel Beauchamp 1967-3-18 291 Los Angeles San Clemente Island, north slopes in canyon west of Lemon Tank Comment
  CHSC99434  Persicaria lapathifolia LeRoy Gross 2000-8-25 261 Los Angeles Big Tujunga Wash/Verdugo Mountains: Orcas Park, entered from Foothill Blvd. onto Orcas Ave. Hiked west from park heading toward Hansen Dam. Perennial river from the Tujunga Ponds, man disturbed wash. 324 Comment
  SBBG33457  Petalonyx thurberi subsp. thurberi A. D. E. Elmer -Jun-1902 Los Angeles Palmdale Comment
  UC107602  Phacelia brachyloba Rev. J. C. Nevin Los Angeles near Los Angeles Comment
  UC1400397  Phacelia brachyloba Robin S. Collins 1973-5-28 313 Los Angeles Trail Cyn. Angeles National Forest, San Gabriel Mts. 762 Comment
  RSA747225  Phacelia cicutaria var. hispida R. G. Swinney 2008-4-10 8629 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Lodi Canyon, W of San Dimas Reservoir. 463 Comment
  UCR273547  Phacelia cicutaria var. hispida R. G. Swinney 2011-6-22 15238 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
  UCSB11633  Phacelia cicutaria var. hispida Wisehart, Karen 1962-4-19 Los Angeles South end of Louise Street, Encino 213 Comment
  RSA603242  Phacelia curvipes R. S. Woglum 1935-5-6 732 Los Angeles Palmdale. Comment
  UCR273542  Phacelia davidsonii R. G. Swinney 2011-6-22 15240 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
  CHSC95798  Phacelia distans LeRoy Gross 2005-5-3 2195 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
  SBBG31375  Phacelia distans R. F. Thorne with P. C. Everett 1965-5-11 34525 Los Angeles near Ballast Pt, E side of Catalina Harbor 60 Comment
  UC1211123  Phacelia distans Huron H. Smith 1912-4-23 4806 Los Angeles Eagle Rock 213 Comment
  RSA590552  Phacelia distans Tim S. Ross 1993-5-19 7165 Los Angeles Western San Gabriel Mtns: ca.80m S of Wilson Canyon Saddle along old loop road 951 Comment
  UC1426038  Phacelia distans Robert F. Thorne, A. C. Gibson, J. -P. Simon, and D. J. McGillivray 1970-4-17 39515 Los Angeles edge of national forest ca 5 mi s Hwy. 138 (10 mi se of Pearblossom); San Gabriel Mts., Angeles National Forest, Grandview Canyon 1432 Comment
  POM4487  Phacelia douglasii H. M. Hall 1902-5-1 3063 Los Angeles Vicinity of Elizabeth Lake 1067 Comment
  RSA0113370  Phacelia fremontii LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7512 Los Angeles Arrastre Canyon. Started near mouth of canyon, near 34.44397N 118.20032W. Ended on top of a small knoll, near 34.43011N 118.18667W. 804 Comment
  SD134443  Phacelia fremontii Craig Reiser 1991-5-6 Los Angeles Palmdale, Verde Ridge Comment
  UC1174464  Phacelia fremontii Ira L. Wiggins and W. R. Ernst 1958-5-2 227 Los Angeles hillside on Hwy #2 about 4 mi s Big Rock Store Comment
  RSA550434  Phacelia imbricata subsp. imbricata Tim S. Ross 1992-7-10 6648 Los Angeles Big Tujunga Canyon, between Coldwater and Wickiup Canyons; northeasterly slope on S side of creek 970 Comment
  RSA579322  Phacelia imbricata subsp. patula Tim S. Ross 1994-5-31 7972 Los Angeles Pacifico Mountain, somewhat flat granitic ridgetop ca 800 m WNW of summit 2060 Comment
  RSA733395  Phacelia lemmonii R. G. Swinney 2001-6-2 7956 Los Angeles San Gabriel Mtns./Mojave Desert: Juniper Hills, junction of Tumbleweed Rd. and Long View Rd. (131st St. East) in ravine west of Long View Comment
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May 13 2009
  RSA187963  Phacelia lyonii Robert F. Thorne 1966-4-4 35755 Los Angeles Santa Catalina Island. SW-facing bluff SE of Ballast Point and Catalina Harbor, Isthmus 91 Comment
  RSA0060818  Phacelia minor LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6966 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
  UCR124365  Phacelia minor I. W. Clokey, B. C. Templeton 1929-1 4532 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  CAS-BOT-BC145050  Phacelia mohavensis Oliver unspecified s.n. Los Angeles Antelope Valley Comment
  RSA0098838  Phacelia mohavensis R. G. Swinney 2011-6-7 15048 Los Angeles San Gabriel Mountains: Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy. 2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek 1573 Comment
  RSA706548  Phacelia mohavensis LeRoy Gross 2005-6-23 2386 Los Angeles Road survey for Angeles National Forest; From Alder Saddle 4 miles down road 5N04 along South Fork Little Rock Creek. 1580 Comment
  CAS-BOT-BC159103  Phacelia ramosissima var. latifolia John Thomas Howell 1928-6-10 3869 Los Angeles Monrovia Canyon, San Gabriel Mts. Comment
  UC697614  Phacelia ramosissima var. latifolia Kay H. Beach 1942-10-1 1633 Los Angeles stream bed below Fern Run-off plots; San Gabriel Mountains, San Dimas Experimental Forest 1524 Comment
  UCR141024  Phacelia tanacetifolia June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, near the Three Sisters hills, Antelope Valley, NE of Llano 976 Comment
  SEINET4044601  Phacelia viscida D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 182 Comment
  POM3694  Phacelia viscida Crawford 1916-6-3 s.n. Los Angeles Santa Monica Mts, Topango Canyon Comment
  UCR281794  Phalaris aquatica Mitch Provance, Scott Duff 2017-6-29 617- 53 Los Angeles Catalina Island, Middle Canyon, E of McGee Lake, 0.2 miles SE of Middle Ranch Rd. and Cape Canyon Trail 207 Comment
  CAS-BOT-BC250595  Phalaris minor Geo. B. Grant 1904-5-14 6212 Los Angeles Playa del Rey Comment
  POM1061  Phalaris minor I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] Comment
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Oct 7 2008
  RSA188062  Phalaris minor R. F. Thorne 1966-4-4 35786 Los Angeles Santa Catalina Island: Bird Rock, N of Isthmus Cove. 8 Comment
  UC729529  Phalaris minor Carl B. Wolf 1932-5-14 3633 Los Angeles above the Amphitheatre Santa Catalina Island (Avalon); , Avalon 60 Comment
  SEINET10643571  Phoenix dactylifera Heidi H. Schmidt 1999-10-10 Schmidt 3916 Los Angeles City of Santa Monica. Wild Oats Community Market: 500 Wilshire Blvd.: Santa Monica, CA: 90401: (310) 395-4510 - phone. 50 Comment
  RSA127953  Pholistoma auritum H. J. Thompson 1959-4-19 1939 Los Angeles Mulholland Highway, 1 mile W of Las Virgenes Road, Malibu Creek drainage. Santa Monica Mountains. 274 Comment
  UC24142  Pholistoma auritum H. M. Hall 1902-5-11 3272 Los Angeles Sierra Santa Monica Comment
  UCSB46611  Pholistoma auritum Welton, Patti 1983-3-28 Los Angeles Southwest side of Mulholland Hwy., 2.2 miles north of its junction with Malibu Canyon Road, Santa Monica Mtns. 481 Comment
  RSA0098822  Pholistoma auritum var. auritum R. G. Swinney 2011-4-28 14541 Los Angeles San Gabriel Mountains: north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 878 Comment
  UCR149818  Pholistoma membranaceum Scott D. White, Michael Honer 2004-3-30 9959 Los Angeles W Mojave Desert, east edge of the City of Palmdale, c. 1 mi west-northwest of 'Four Points 838 Comment
  SBBG16832  Phoradendron bolleanum K. A. Wilson 1961-2-12 844 Los Angeles Big Rock Spring Comment
  SEINET13383131 Image available Phoradendron bolleanum R. G. Swinney 2010-1 13084 Los Angeles Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1073 Comment
  POM50863  Phoradendron densum A. D. E. Elmer 1902-06 3607 Los Angeles Acton. Mt. Gleason. 829 Comment
  UCR129923  Phoradendron densum Orlando Mistretta, Steve Boyd, D. L. Banks 1994-4-29 1121 Los Angeles San Gabriel Mtns, Santiago Canyon. Ridge on the W edge of Santiago Canyon watershed c. 1 mi south of Mt. Emma 1524 Comment
  RSA573665  Phoradendron macrophyllum Vanessa Ashworth 1994-8-24 65 Los Angeles RSABG grounds (NW sector near beginning of California Communities section). Comment
  RSA717954  Phoradendron serotinum subsp. tomentosum R. G. Swinney 1997-7-14 5677 Los Angeles West of Wrightwood, Table Mtn. area, approx. 100 m NW of amphitheater and Table Mtn. Campground. 2207 Comment
  RSA133218  Phoradendron villosum Del Wiens 1960-6-10 2716 Los Angeles Cobal Canyon, north of Claremont. 396 Comment
  RSA600267  Phoradendron villosum Louis C. Wheeler 1932-9-12 1379 Los Angeles San Gabriel Mountains: San Antonio Canyon; west of Hog Back. 1311 Comment
  RSA456539  Phyllospadix scouleri Robert F. Thorne 1966-4-15 36012 Los Angeles San Clemente Island. Upper edge of boulder beach and base of rocky bluff, c. 1/2 mile SSE of Eel Point, SW side of island. Comment
  RSA682941  Phyllospadix torreyi R. Setzer 1975-9-7 8580 -a Los Angeles Lunada, Palos Verdes Peninsuala. Comment
  RSA423754  Physalis philadelphica Anstruther Davidson 1889-08 s.n. Los Angeles Los Angeles. Comment
  UCR214600  Picris echioides A. C. Sanders, Dan S. Cooper 2010-4-30 38125 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  SEINET3871796  Pinus attenuata Clayton Newberry 1994-5-30 7229 Los Angeles San Gabriel Mountains. Angeles National Forest, SR 2 (Angeles Crest Highway) at Cloudburst Canyon.; 0 1890 Comment
  RSA651157  Pinus contorta var. murrayana Glenn Stewart 1968-8-24 sn Los Angeles Near top of Mount San Antonio. Comment
  RSA605434  Pinus coulteri L. C. Wheeler 1968-5-30 s.n. Los Angeles Devil's Canyon, depression on bench NE of Campground 1433 Comment
  SFV18303  Pinus coulteri J. N. Hogue 2002-7-21 179 2 Los Angeles San Gabriel Mountains Angeles National Forest, Camp Eaton (= Camp Cumorah Crest), 3 km NE of Newcomb Ranch. 1860 Comment
  MACF015658  Pinus flexilis F. A. MacFadden 1936-9-6 14743 Los Angeles Lake Arrowhead, California Comment
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Jun 5 2015
  CATA1925  Pinus halepensis Amy Catalano 2014-9-23 015 Los Angeles Santa Catalina Island: Across road from 106 Middle Ranch residence 201 Comment
  RSA169026  Pinus jeffreyi Mark Parratt 1964-2-6 603 Los Angeles Table Mountain, Table Mountain Campground area; N-facing slope 3 miles north of Big Pines Ranger Station, Angeles National Forest 2195 Comment
  UCR223401  Pinus jeffreyi R. G. Swinney 2009-7-29 11429 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCR124701  Pinus lambertiana B. C. Templeton 1932-5-31 4863 Los Angeles San Gabriel Mtns., between Big Pines Park and Jackson Lake, Angeles National Forest 2000 Comment
  UCSB84  Pinus lambertiana Gill, Robert 1959-10-2 Los Angeles Baldy Road; San Gabriel Mt. Range; Pacific Slope drainage area 1584 Comment
  CDA20468  Pinus pinea M. O'Brien 2004-3-14 MOB 2 -04 Los Angeles Transverse Ranges; 0.2 mi W of where Stunt Rd crosses Cold Creek in Calabasas, downhill from Stunt Rd by a drainage culvert. 0 Comment
  RSA679310  Piperia cooperi Mark Elvin, Janet Takera, Mary Meyer, Shelia Shyler, Sarah Crockett 1997-3-16 369 Los Angeles Santa Catalina Island. Hermit Gulch Trail. ~ 1/3 way down on up side of trail. Comment
  CAS-BOT-BC136551  Piperia cooperi Alice Eastwood 1919-5-29 s.n. Los Angeles Field redacted by CAS, contact the data manager for more information Comment
  UCD89891  Piptatherum miliaceum Peter H. Raven 1957-9-21 11366 Los Angeles Topanga Canyon 2.3 miles above United States Highway 101 alternative, Santa Monica Mountains. Comment
  UCR51493  Pittosporum undulatum A. C. Sanders 1987-12-4 7444 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr. 31 Comment
  UCR91396  Pityrogramma triangularis Scott D. White 1995-3-14 2546 Los Angeles San Gabriel Mtns., San Dimas Canyon Rd, along creek above San Dimas Reservoir. 457 Comment
  CAS-BOT-BC71773  Pityrogramma triangularis var. viscosa M. B. Dunkle 1939-4-4 7244 Los Angeles Chenetti Canyon, San Clemente Island Comment
  RSA682502  Plagiobothrys arizonicus Scott D. White, Michael Honer 2003-5-7 9203 Los Angeles Liebre Mountains: Tapia Canyon, about 2 air miles east of Interstate 5 junction at Old Ridge Route. 427 Comment
  UCR101693  Plagiobothrys arizonicus B. G. Pitzer 1998-5-23 3733 Los Angeles Western Transverse Range, Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  RSA590523  Plagiobothrys arizonicus Orlando Mistretta 1994-3-30 971 Los Angeles Little Rock Creek; slopes E of creek below Little Rock Dam 991 Comment
  POM368859  Plagiobothrys canescens var. catalinensis F. R. Fosberg 1931-4-6 696 Los Angeles Eagles Nest, Middle Ranch Canyon, Santa Catalina Island 180 Comment
  RSA188330  Plagiobothrys canescens var. catalinensis R. F. Thorne, M. Z. Thorne 1966-5-31 36424 Los Angeles Santa Catalina Island: along bare rocky ridge running S from Orizabe Mt. 579 Comment
  UC1587214  Plagiobothrys collinus var. gracilis Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5315 Los Angeles terrace flats between Box Canyon and Horse Canyon (w side of San Clemente Island); San Clemente Island 486 Comment
  UC1594376  Plagiobothrys collinus var. gracilis Tim Ross 1992-4-16 6204 Los Angeles central part San Clemente Island (289 degrees wnw, 680 m distant from 1603 ft peak above Stone station) 416 Comment
  UCR192208  Plagiobothrys nothofulvus A. C. Sanders 2008-4-16 34905 Los Angeles Tehachapi Mtns. Foothills/ W Mojave Desert, west end of Antelope Valley, hills c. 1.25 mi. NE of Quail Lake, c. 0.7 mile north of Hwy 138 1000 Comment
  UCD124377  Plantago arenaria Scott D. White; Pam Devries 1998-4-19 6283 Los Angeles Santa Fe Flood Control Basin (on the San Gabriel River). 54 Comment
  CDA1003  Plantago erecta D. G. Kelch 1991-3-17 1305 Los Angeles Santa Catalina Is.; 1.5 km N of Avalon. 0 Comment
  POM243749  Plantago erecta F. R. Fosberg 1931-4-15 S- 4629 Los Angeles Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island. 200 Comment
  POM264744  Plantago hirtella var. galeottiana Louis C. Wheeler 1933-10-20 2179 Los Angeles San Gabriel River. 70 Comment
  RSA780003  Plantago indica R. G. Swinney 2009-4-7 10293 Los Angeles Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  UCR108742  Plantago indica Scott D. White, Pam DeVries 1998-4-19 6283 Los Angeles City of Irwindale, Santa Fe Flood Control Basin (on the San Gabriel River) 152 Comment
  RSA62229  Plantago indica Claire Shay, R. C. Crawford 1951-08 s.n. Los Angeles Growing in sand around city hall, Manhattan Beach. Comment
  RSA402055B  Plantago lanceolata Robert Gustafson 1981-4-14 2183 Los Angeles Ballona Wetlands, Area 2. Comment
  UCD124556  Plantago ovata var. insularis Robert F. Thorne; Reed Rollins, Doug Propst, R. Carolin 1967-3-18 36731 Los Angeles Santa Catalina Island; Salta Verde, approximately N of Salta Verde Point. 243 Comment
  RSA591981  Plantago patagonica Mark Hoefs, D. Propst 1973-3-14 95 Los Angeles Santa Catalina Island. Ridge between Cape and Skull Canyons. 305 Comment
  RSA3248  Platanus racemosa Carl B. Wolf 1931-6-25 2234 Los Angeles Wash SW of Los Angeles Botanic Garden, along Beverly Blvd. (Mandeville Canyon). 61 Comment
  RSA596504  Platanus racemosa Louis C. Wheeler 1966-11-19 9136 Los Angeles San Gabriel Mountains. Tunnel Bypass, 1/4 mi. upstream from Dutch Louie Camp, Pacoima Canyon. 716 Comment
  UC72614  Platanus racemosa E. D. Palmer 1901-1 Los Angeles Claremont Comment
  RSA0008147  Platanus racemosa Peter H. Raven, H. J. Thompson 1959-9-6 14366 Los Angeles Borders of salt marsh at mouth of Malibu Creek. 9 Comment
  CAS-BOT-BC91657  Platystemon californicus L. R. Abrams 1927-4-30 11702 Los Angeles Head of Antelope Valley. Comment
  CAS-BOT-BC91664  Platystemon californicus Geo. B. Grant 1904-5-14 6208 Los Angeles Playa del Rey. Comment
  UCR204043  Platystemon californicus R. G. Swinney 2005-5-14 8237 Los Angeles San Gabriel Mountains, northeast of Valyermo, Bob's Gap, ridge-top north of lime kilns 1220 Comment
  RSA445706  Platystemon californicus Frances M. Morey 1922-5-22 s.n. Los Angeles Culver City. Comment
  RSA445687  Platystemon californicus var. californicus Bonnie C. Templeton, I. W. Clokey 1930-4-8 1015 Los Angeles San Francisquito Canyon, San Gabriel Mts. 700 Comment
  UCR185395  Plectritis ciliosa A. C. Sanders, T. B. Salvato 2007-4-25 33552 Los Angeles Tehachapi Mtns., Oso Canyon near Kern Co. line, c. 0.1-0.2 mi. south of road on canyon bottom, c. 0.75 mi. east of powerlines 1220 Comment
  RSA576928  Plectritis ciliosa subsp. insignis Louis C. Wheeler 1934-4-6 2505 Los Angeles San Dimas Canyon 1/4 mile above Dam, San Gabriel Mountains. 427 Comment
  SBBG69562  Plectritis ciliosa subsp. insignis R. Hoffmann 1925-4-19 Los Angeles Bouquet Cyn Comment
  UCR142699  Plectritis ciliosa subsp. insignis L. C. Wheeler 1933-4-15 1633 Los Angeles Transverse Ranges; San Gabriel Mtns., West Live Oak Canyon 488 Comment
  CAS-BOT-BC326708  Pleiacanthus spinosus R. G. Swinney 2009-8-25 11465 Los Angeles West summit of Table Mountain, NE of Big Pines, San Gabriel Mtns., Transverse Range 2290 Comment
  SBBG32095  Poa annua R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -192 Los Angeles Middle Bullrush Cyn, Salta Verde Comment
  RSA732912  Poa pratensis R. G. Swinney 1997-6-19 5622 Los Angeles San Gabriel Mtns.: Jackson Lake, west of Wrightwood. 1872 Comment
  RSA660408  Poa secunda Orlando Mistretta 1992-5-21 373 Los Angeles Right Star Mine, S of Acton. Comment
  UCR181111  Poa secunda R. G. Swinney 1997-4-25 5510 Los Angeles San Gabriel Mtns., at peak of Iron Mountain, 4-5 air miles NW of Mt. Baldy village 2441 Comment
  UCR272354  Poa secunda subsp. juncifolia R. G. Swinney 2011-6-20 15231 Los Angeles San Gabriel Mountains, Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail 1573 Comment
  LA35991  Polycarpon tetraphyllum Peter H. Raven; 1960-5-16 15381 Los Angeles 121 Comment
  RSA640278  Polycarpon tetraphyllum R. F. Thorne 1971-5-18 41367 Los Angeles Santa Catalina Island: White's Landing. 30 Comment
  RSA0080723  Polygonum aviculare R. G. Swinney 2010-9-7 13710 Los Angeles Crystal Lake, within 50 ft. of shore line around the entire perimeter. 1683 Comment
  UCD100093  Polygonum aviculare subsp. depressum B. Pitzer 1996-5-5 2859 Los Angeles Palos Verdes Peninsula: Palos Verdes Hills. San Pedro Naval Fuel Depot, at San Pedro Hill. 408 Comment
  RSA381427  Polygonum coccineum Robert F. Thorne, D. Propst 1966-1 41572 Los Angeles Santa Catalina Island, Reservoir behind dam in Middle Ranch Canyon. Comment
  UCR157681  Polygonum hydropiperoides Scott D. White 1994-7-18 2289 Los Angeles San Gabriel Mtns., San Dimas Canyon; along San Dimas Wash 335 Comment
  RSA466338  Polygonum persicaria Robert Gustafson 1980-9-16 1913 Los Angeles Ballona Wetlands, Area 2. [See map on specimen for precise location.] Comment
  RSA466405  Polygonum persicaria Robert Gustafson 1981-4-26 2226 Los Angeles Ballona Wetlands, Area 2. Infrequent along the Centinella Creek drainage ditch est of the Gas Co. installation. Comment
  RSA466371  Polygonum punctatum Louis C. Wheeler 1932-10-14 1430 Los Angeles Rio Hondo. 58 Comment
  RSA0092154  Polypodium californicum R. G. Swinney 2011-10-27 15897 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream. 649 Comment
  RSA689873  Polypodium californicum Martha Hilend 1928-2-9 s.n. Los Angeles Big Santa Anita Canyon. Comment
  SD49391  Polypodium californicum Reid Moran 1959-3-9 7159 Los Angeles Eel Point, San Clemente Island 20 Comment
  UCSB62411  Polypodium californicum Kendall, M. Los Angeles Lone Hill Comment
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Sep 26 2016
  POM307089  Polypodium californicum Henry J. Ramsey 1939-1-1 1966 Los Angeles Eaton Canyon, Altadena. Comment
  POM915  Polypodium californicum Anonymous 1910-02 3 Los Angeles San Antonio and others. Comment
  SFV164  Polypodium californicum P. G. Kilburn 1957-11-30 554 Los Angeles Santa Monica Mountains Sepulveda Canyon, 3 miles south of Mulholland Road. Steep side canyon, going due west from Sepulveda Blvd. Comment
  UCSB62285  Polypodium californicum Kiefer, Lawrence 1967-3-26 Los Angeles San Gabriel Mtns., NE of Sunland, Delta Canyon, tributary of Big Tujunga Canyon, ca. 0.75mi up from confluence 701 Comment
  UCSB62351  Polypodium californicum Kiefer, Lawrence 1967-1-14 Los Angeles San Gabriel Mtns., N of Sylmar, Sombrero Canyon, ca. 1.5mi N of Foothill Blvd 609 Comment
  LA105074  Polypogon monspeliensis Barry A. Prigge; 1988-7-3 8192 Los Angeles Santa Monica Mountains, Calabasas, ca 0.4 mi E of jtn of Mulholland Hwy and Old Topanga Rd, S of E-end of Calabasas High School track 313 Comment
  RSA155328  Polypogon viridis P. H. Raven 1962-5-22 17844 Los Angeles Santa Catalina Island: Middle Ranch 213 Comment
  SD90124  Polystichum imbricans subsp. curtum Jon Nickoloff 1973-1-3 Los Angeles San Gabriel Mountains, 60 feet north of Mt. Wilson Trail on northeast face 1035 Comment
  POM9792  Polystichum scopulinum F. W. Peirson 1921-6-17 2464 Los Angeles canyon on divide between Little Rock Creek tributary and Bear Creek, San Gabriel Mts. 1920 Comment
  RSA664516  Populus balsamifera subsp. trichocarpa Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-11 3381 Los Angeles Big Rock Creek Canyon, along stream and immediately adjacent flats and slopes; ca 130m N to 250m NNW of Icy Springs. 1713 Comment
  RSA187816B  Portulaca oleracea R. F. Thorne 1966-4-29 36282 Los Angeles Santa Catalina Island. Middle Ranch, Middle Ranch Canyon 198 Comment
  RSA191573  Potamogeton crispus Robert F. Thorne 1966-4-23 36152 Los Angeles San Gabriel Mountains: Jackson Lake WNW of Big Pines, Big Pines Recreation Area, Angeles National Forest 1829 Comment
  UCR101740  Potamogeton pectinatus L. C. Wheeler 1945-8-15 6088 Los Angeles El Monte: Lake Shangri-La 88 Comment
  RSA430225  Potamogeton pusillus D. Thomason 1987-6-17 s.n. Los Angeles Lake Elizabeth, ca. 15 mi. W of Lancaster at head of Leona Valley. Comment
  RSA250514  Potentilla glandulosa subsp. ewanii Robert F. Thorne, John Dourley 1967-10-10 37358 Los Angeles Angeles National Forest: 1.5 mi. E of Dawson Saddle 2332 Comment
  LA34194  Potentilla glandulosa subsp. glandulosa Henry J. Thompson; 1959-5-31 2054 Los Angeles Santa Monica Mountains, just E of junction of Latigo Canyon Rd with Mulholland Hwy 518 Comment
  POM2591  Prunus emarginata I. M. Johnston 1918-7-5 2079 Los Angeles San Antonio Mountains: head of San Antonio Canyon. 2348 Comment
  UCR124169  Prunus ilicifolia June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek Fire Station, Fenner Canyon 1616 Comment
  UCR261386  Pseudognaphalium biolettii R. G. Swinney 2010-2-27 11719 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  CAS-BOT-BC356566  Pseudognaphalium biolettii H. M. Hall 1903-4-1 3773 Los Angeles Playa del Rey near Los Angeles Comment
  SBBG118935  Pseudognaphalium californicum S. D. White with P. De Vries 2004-6-14 10500 a Los Angeles Lyon Cyn, W of Interstate 5, ca. 4 mi N of the I-5 jct with Hwy 14, ca. 6 mi S of Castaic Jct 396 Comment
  UC75922  Pseudognaphalium leucocephalum Geo. B. Grant 1901-1-1 516 Los Angeles Pasadena Comment
  SBBG14338  Pseudognaphalium luteoalbum E. R. Blakley 1962-10-5 5441 Los Angeles Cottonwood Cyn, 0.5 mi upstream from the ocean 30 Comment
  RSA591995  Pseudognaphalium stramineum Mark Hoefs 1974-4-30 430 Los Angeles Santa Catalina Island: by trail in Hermit's Gulch. 91 Comment
  RSA384628  Pseudotsuga macrocarpa L. E. Hoffman 1930-05 s.n. Los Angeles Millard's Canyon, Angeles Forest Comment
  RSA779452  Pseudotsuga macrocarpa R. G. Swinney 2009-6-17 11222 Los Angeles Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  SBBG81871  Pseudotsuga macrocarpa D. Keil 1980-3-28 13740 Los Angeles lower Shake cmpgrd near Lake Hughes 1310 Comment
  LA94227  Pteridium aquilinum var. pubescens Lawrence L. Kiefer; 1966-3-12 1711 Los Angeles SANTA MONICA MOUNTAINS, Tuna Canyon, ca 0.25 mi from mouth. 91 Comment
  POM312740  Pteridium aquilinum var. pubescens D. Taylor 1952-05 s.n. Los Angeles Little Dalton Canyon. 396 Comment
  UCR202534  Pterospora andromedea R. G. Swinney 2001-8-9 8024 Los Angeles San Gabriel Mtns., Mount Williamson, western ridge 2515 Comment
  UCR209919  Pterospora andromedea R. G. Swinney 2008-7-16 9268 Los Angeles San Gabriel Mtns., Burkhart Trail on south side of Cooper Creek Canyon, 1.4 mi. NE of Burkhart Trailhead parking lot, west of Buckhorn Canyon 1756 Comment
  POM2156  Pterostegia drymarioides L. R. Abrams 1901-4-5 1348 Los Angeles San Fernando Mts. Comment
  SEINET12190595  Punica granatum J. F. Bright, Wyman, C. 1931-1 5273 Los Angeles Los Angeles Comment
  UCR223028  Purshia glandulosa R. G. Swinney 2009-4-29 10615 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  RSA591967  Quercus Mark Hoefs 1974-10-3 584 Los Angeles Santa Catalina Island: head of Cape Canyon, just below dam. 427 Comment
  POM18606  Quercus X grandidentata E. S. Spalding 1921-4-9 xix 5 e Los Angeles Ganesha Hills, Pomona. Comment
  RSA127927  Quercus berberidifolia Peter H. Raven, Henry J. Thompson 1959-2-25 13809 Los Angeles 1.2 miles east of summit, Saddle Peak. 610 Comment
  SBBG52793  Quercus berberidifolia C. Davidson 1975-5-25 2552 Los Angeles ca. 1 mi NE of Old Ridge Route (USFS 8N04) 7N23 to Liebre Mtn 1356 Comment
  SEINET234376  Quercus berberidifolia John Tucker 1948-9-26 1879 Los Angeles 11.4 mi W of Palmdale beside road to Elizabeth Lake Comment
  UCSB34689  Quercus berberidifolia Nixon, Kevin; Hendon, Emily 1980-5-25 Los Angeles County road N2, Lake Hughes; 7.7 miles southeast of Calif. Hwy 138 (at 3 points rd.) Comment
  UCSB58657  Quercus berberidifolia Muller, Cornelius 1937-8-27 Los Angeles Fillmore Valley and Ventura county line 182 Comment
  CAS-BOT-BC62566  Quercus chrysolepis Timothy S. Ross; Steve Boyd 1994-9-21 8299 Los Angeles Liebre Mountain: vicinity of West Summit. Liebre Mountain. 7.5' USGS Quadrangle 1690 Comment
  RSA188338  Quercus chrysolepis Robert F. Thorne, M. Z. Thorne 1966-5-31 36430 Los Angeles Santa Catalina Island. Ridge running from S end of Mt Orizaba, S side of S fork of Fern Canyon 488 Comment
  RSA475269  Quercus chrysolepis Mark Hoefs 1974-10-3 594 Los Angeles Upper Fern Canyon-ridge between Mt. Orizaba & Mt. Banning [Santa Catalina Island] 549 Comment
  RSA638819  Quercus chrysolepis Valerie L. Soza, Laura Moore 1999-6-30 583 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail. 854 Comment
  SBBG58043  Quercus chrysolepis R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk Comment
  UC1746088  Quercus chrysolepis Annetta M. Carter, Arthur Carter 1935-9-12 975 Los Angeles Chilao (Chellea). San Gabriel Mtns. 1630 Comment
  UC338549  Quercus chrysolepis J. G. Lemmon 1891-7-18 Los Angeles near Pomona; San Antonio Canyon Comment
  OBI74757  Quercus dumosa K. Dobry 1991-3-23 d 123 Los Angeles 415 Stunt rd. Santa Monica Mts. Upper Cold Creek Canyon Comment
  SBBG53924  Quercus durata var. durata K. R. Montgomery, T. W. Strid 1973-4-14 73 Los Angeles Dillon Divide, site of LASCA Cistus field plot Comment
  UCR276602  Quercus durata var. gabrielensis Mitch Provance 2016-8-11 816- 04 Los Angeles San Gabriel Mountains, La Verne, along the dirt access road bordering the east edge of Marshall Canyon Regional Park, which connects Stephens Ranch Road with Cobal Mountain Parkway 598 Comment
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Jul 20 2021
  RSA231132  Quercus engelmannii Leonid Enari 1969-7-14 s.n. Los Angeles Arcadia, Talac Knoll, Los Angeles State and County Arboretum Comment
  RSA748522  Quercus engelmannii Justin M. Wood 2009-4-13 499 Los Angeles Foothills above the city of Sierra Madre, 'one carter estates' at the end of Baldwin Ave. 49 Comment
  SBBG44652  Quercus engelmannii W. B. Holt 1941-10-31 24 -1941 Los Angeles Monrovia Comment
  UC533191  Quercus engelmannii Joseph Andorfer Ewan 1900-1 8487 b Los Angeles San Gabriel Mountains Comment
  SBBG44657  Quercus garryana W. B. Holt 1941-10-19 7 -1941 Los Angeles near Artesian Spring Camp, rd E of reservoir, Bouquet Cyn to Loma Pelona Lookout Comment
  POM290532  Quercus john-tuckeri Lyman Benson 1951-10-23 14830 Los Angeles 1 mile below Jackson Lake, Big Pines to Valyermo. 1524 Comment
  RSA0017014  Quercus john-tuckeri F. W. Peirson 1919-5-11 404 Los Angeles Arraster [Arrastre] Creek, north slope of San Gabriel Mts. 854 Comment
  RSA757662  Quercus john-tuckeri Orlando Mistretta, Christine Mistretta 2008-4-16 2464 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 23 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1142 Comment
  RSA191625  Quercus kelloggii Robert F. Thorne 1966-8-29 36610 Los Angeles San Gabriel Mts, Angeles National Forest: Big Pines Recreation Area, dry slope above E end of Jackson Lake, on road from Big Pines to Valyermo. 1890 Comment
  POM370196  Quercus lobata Lyman Benson 1946-10-16 12213 Los Angeles Between the first 2 summits north of Castaic. 762 Comment
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Jun 25 2014
  RSA592269  Quercus lobata Louis C. Wheeler 1967-5-8 9356 Los Angeles San Gabriel Mountains [Liebre Mtns]; Northeast foothills. 412 Comment
  RSA476571  Quercus pacifica Anstruther Davidson 1891-6-26 s.n. Los Angeles Santa Catalina Island Comment
  UCR168351  Quercus pacifica Reid Moran 1941-3-14 708 Los Angeles Channel Islands, Santa Catalina Island: Middle Ranch 200 Comment
  UCR281777  Quercus pacifica Mitch Provance, Scott Duff 2017-6-29 617- 69 Los Angeles Catalina Island, Middle Canyon, SCE corridor along Middle Ranch Rd., N of Thompson Dam at McGee Lake. 180 Comment
  JEPS46705  Quercus tomentella Mrs. Blanche Trask 1908-12-1 Los Angeles Catalina Island Comment
  RSA488449  Quercus tomentella Mark Hoefs 1974-9-25 545 Los Angeles Santa Catalina Island, Gallagher's Canyon- lower west fork 30 Comment
  SBBG17811  Quercus tomentella P. H. Raven 1962-7-10 17981 Los Angeles below Lemon Tank 243 Comment
  SBBG43927  Quercus tomentella M. R. Benedict 1971-6-26 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  UC699617  Quercus tomentella Herman Schroeder 1944-11-6 Los Angeles near Avalon; Catalina Island Comment
  CAS-BOT-BC104853  Quercus wislizeni Timothy S. Ross; Steve Boyd 1994-5-10 7750 Los Angeles Liebre Mountains. Lower Deer Canyon: inside the rather broad mouth of the canyon, ca 220-380 m NNW of its confluence with Elizabeth Lake Canyon 883 Comment
  RSA0035996  Quercus wislizeni var. frutescens R. G. Swinney 2010-6-21 13260 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail. 561 Comment
  RSA477119  Quercus wislizeni var. frutescens F. R. Fosberg 1931-8-13 S 5673 Los Angeles Lower Pine Flats, Hills above First Camp, N fork San gabriel Canyon, San Gabriel Mts. 1540 Comment
  RSA0089151  Rafinesquia californica R. G. Swinney 2010-3-24 12055 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  UCR136827  Rafinesquia californica John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  RSA399379  Ranunculus californicus T. S. Clare, McDougal 1930-4-7 s.n. Los Angeles Above Sandberg. Comment
  CAS-BOT-BC378879  Ranunculus californicus var. californicus Wesley O. Griesel 1962-3-17 s.n. Los Angeles Tapia Park, Santa Monica Mts. 152 Comment
  POM8689  Ranunculus hebecarpus P. A. Munz, R. D. Harwood 1920-3-13 3318 Los Angeles Puddingstone Canyon, San Dimas 305 Comment
  UC2026477  Ranunculus hebecarpus Louis C. Wheeler 1975-5-14 s.n. Los Angeles SAN GABRIEL MOUNTAINS: Head of East Fork of Little Tujunga. Comment
  RSA783291  Raphanus sativus J. D. Olmsted 1958-3-2 9 Los Angeles [City of] Claremont near eastern end of Los Angeles County. Along San Antonio Creek in Blanchard Park on Pomona College campus. 366 Comment
  UCR209545  Rhamnus californica R. G. Swinney 2008-7-2 9109 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek, 1.0 mi. north of junction of Hwy 2 & Old Hwy 39 [at Reed Spring] 1878 Comment
  UCR133527  Rhamnus californica subsp. californica Donald R. Bissing 1973-6-2 111 Los Angeles San Gabriel Mtns., Evey Canyon, 0.9 mile from canyon mouth 854 Comment
  RSA785522  Rhamnus crocea subsp. ilicifolia Doris Bowers 1967-7-19 436 Los Angeles Topanga Canyon, Santa Monica Mts. 305 Comment
  CAS-BOT-BC55996  Rhamnus ilicifolia Elmer I. Applegate 1927-2-18 4978 Los Angeles Mandeville Canyon, Santa Monica Mountains Comment
  CAS-BOT-BC59848  Rhamnus ilicifolia G. B. Grant 1901-4-7 s.n. Los Angeles Laurel Canyon. Comment
  LA52135  Rhamnus ilicifolia A. M. Johnson; 1934-4-20 4435 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Behind tunnel, right side of road. Comment
  RSA391046  Rhamnus ilicifolia Martha Hilend 1928-3-4 53 Los Angeles Santa Monica Mtns: N of Pacific Palisades. 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
  UC870817  Rhamnus ilicifolia Ira W. Clokey, B. Templeton Mar 1929 4511 Los Angeles Mandeville Canyon Santa Monica Mountains 200 Comment
  UCR124374  Rhamnus ilicifolia I. W. Clokey, B. C. Templeton 1929-1 4511 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  UCR271586  Rhamnus ilicifolia R. G. Swinney 2011-11-3 15997 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
  CAS-BOT-BC59798  Rhamnus pirifolia Carl B. Wolf 1932-5-10 3531 Los Angeles Santa Catalina Island. 100 yds. se. of summit of the Equestrian Trail, back of Avalon. 304 Comment
  JEPS42042  Rhamnus pirifolia Dr. John W. Harshberger 1925-7-31 Los Angeles Catalina Island Comment
  RSA1828  Rhamnus pirifolia Knopf, Johnson 1930-1-30 698 Los Angeles Middle Ranch Canyon, Santa Catalina Island. Comment
  RSA351126  Rhamnus pirifolia Theodore Payne 1909-10-11 2344 Los Angeles Catalina Island Comment
  UC869609  Rhus Ira W. Clokey, B. Templeton Apr. 1929 4431 Los Angeles Mandeville Canyon; Santa Monica Mountains 200 Comment
  LA82200  Rhus aromatica O. H. Kappler; 1941-4-14 205 Los Angeles Santa Monica Mountains, Cold Creek, Monte Nido, N slope 182 Comment
  RSA0091736  Rhus aromatica R. G. Swinney 2011-5-12 14684 Los Angeles east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  UCR61063  Rhus aromatica R. G. Swinney 1989-7-14 s.n. Los Angeles San Gabriel Mtns, in and near the city of Glendora, north of Sierra Madre Avenue and west of the Church of the Open Door 367 Comment
  LA209579  Rhus integrifolia Tom O'Donnell; 1953-5-14 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon, 10 mi. N of U.S. 101 on Hwy 27. Comment
  SD69651  Rhus integrifolia Robert F. Thorne, Reed Rollins, Doug Propst, R. Carolin 1967-3-18 36739 Los Angeles Santa Catalina Island, Wild Boar Gully, ca. 1 mile west north west of Salta Verde Point 199 Comment
  UC1211028  Rhus integrifolia Huron H. Smith 1912-6-12 5090 Los Angeles Cherry Canyon; Santa Catalina Islands 137 Comment
  UCR124397  Rhus laurina I. W. Clokey, B. C. Templeton 1929-1 4588 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  LA93442  Rhus ovata Jonathan Sauer; H. N. Sauer, J. Zadny, M. Zadny 1969-3-17 4398 Los Angeles SANTA MONICA MOUNTAINS, upper Rustic Canyon Comment
  RSA386377  Rhus ovata Harvey Anderson, C. Epling 1930-5-30 s.n. Los Angeles Mandeville Canyon. Comment
  RSA592826  Rhus ovata Steve Boyd 1996-4-24 8656 Los Angeles Liebre Mountains, northwestern end of the range on the ridgetop and upper slopes of the southern flank of Apple Canyon. 1067 Comment
  UCR117130  Rhus ovata A. C. Sanders, D. Malueg 2001-5-17 24334 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned 122 Comment
  UC1595388  Rhus trilobata Tim Ross 1991-3-10 4211 Los Angeles e side of Rancho Santa Ana (Bernard Field Station); Claremont 391 Comment
  CAS-BOT-BC92283  Ribes amarum Ellsworth Bethel 1920-2-11 s.n. Los Angeles Fish Canyon. San Gabriel Mountains. Back of Duarte. Comment
  LA33882  Ribes aureum var. gracillimum Henry J. Thompson; 1959-3-22 1872 Los Angeles Santa Monica Mountains, Lobo Canyon, 1 mi. W of Triunfo Canyon 243 Comment
  CAS-BOT-BC93069  Ribes californicum var. hesperium C. L. Hitchcock 1932-2-3 s.n. Los Angeles San Gabriel Mountains. Evey Canyon. North of Claremont. 518 Comment
  UCR202696  Ribes cereum R. G. Swinney 2001-8-11 8037 Los Angeles San Gabriel Mtns., Lamel Springs on north slope of Mt. Baden-Powell, 1.5 miles south of Vincent Gap 2375 Comment
  CAS-BOT-BC173102  Ribes indecorum Wyckoff; Johnson 1921-1-6 92 Los Angeles San Antonio Canyon, Sierra Madre Mts. 762 Comment
  SD186331  Ribes indecorum A. C. Sanders 2003-3-14 25784 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Axusa; east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel (Axusa 7.5'Q) 540 Comment
  UCR125624  Ribes indecorum A. C. Sanders 2003-5-22 26816 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
  UCR11992  Ribes malvaceum H. J. Thompson 1959-2-20 1848 Los Angeles Western Transverse Range; Santa Monica Mtns., 2 mi east of Peak along Saddle Peak Road, Saddle Peak 701 Comment
  POM293803  Ribes malvaceum var. viridifolium Lyman Benson 1947-1-16 12282 Los Angeles Upper end of reservoir, San Dimas Canyon; Mt. Range: San Gabriel; Drainage Area: Pacific Slope. 457 Comment
  RSA441463  Ribes malvaceum var. viridifolium Edwin Kline 1925-2-1 s.n. Los Angeles Mount Hollywood Comment
  UC921822  Ribes malvaceum var. viridifolium I. W. Clokey, B. Templeton 1930-4-2 4607 Los Angeles Mulholland Drive Comment
  LA91472  Ribes malvaceum var. viridifolium Bruce Douglas Clayton; Greg Shaw 1972-4-7 sn Los Angeles Santa Monica Mountains, Upper Temescal and Rustic Canyons, Mountain Park Research Campus, 1/2 way down hill from rd at lowest canyon entrance 487 Comment
  RSA0049907  Ribes nevadense R. G. Swinney 2009-8-8 11502 Los Angeles 0.2-1 mi. north of summit of Pacifico Mtn., SE fork of Santiago Canyon 1768 Comment
  POM175369  Ribes roezlii Helen E. Sweet 1930-7-12 s.n. Los Angeles Exposed ridge near north Baldy Peak, San Gabriel Mts. Comment
  CAS-BOT-BC186155  Ribes roezlii var. roezlii Timothy S. Ross; Steve Boyd 1994-5-4 7667 Los Angeles Northeast summit of Grass Mountain: north slopes draining toward Elizabeth Lake; south slopes toward Green Valley 1389 Comment
  RSA640831  Ribes speciosum Louis C. Wheeler 1931-1-15 s.n. Los Angeles San Dimas: Puddingstone. Comment
  UCD65153  Ribes viburnifolium G. L. Webster; M. Hoeff, R. Thorne, J. M. Tucker 1992-3-30 7756 Los Angeles CATALINA ISLAND: Salta Verde, slopes W of Cactus Peak. 300 Comment
  RSA480744  Ricinus communis Edwin Kline 1924-11-29 s.n Los Angeles Los Angeles River Bed. Comment
  UCD142324  Ricinus communis Robert F. Thorne 1970-3-5 39353 Los Angeles Santa Catalina Island, NE slope of Blackjack Mt., at upper end of Swain's Canyon. 396 Comment
  UCSB50280  Ricinus communis Reisentz, Paul 1975-5-10 Los Angeles Twin Falls Reserve, 1 mile east of Stunt Rd. from Mulholland Hwy. 274 Comment
  UCR125637  Rorippa curvisiliqua A. C. Sanders 2003-5-26 25860 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 171 Comment
  RSA165717  Rosa californica Lawrence T. McHargue, Brian C. Miller 1963-7-6 s.n. Los Angeles Atmore Meadow, Liebre Mtn. 1372 Comment
  SBBG70546  Rosa californica M. N. Ackley -May-1930 1268 Los Angeles Monte Vista Park 243 Comment
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May 7 2015
  UC212616  Rosa californica I. M. Johnston 1917-7-29 1590 Los Angeles San Antonio Canyon, San Antonio Mountains 1600 Comment
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Jun 12 2012
  UCD113423  Rosa californica Marc Meyer 1993-4-25 24 Los Angeles Santa Susana Mts., Moonshine Cyn. Park, Porter Ranch, 1.5 miles north of Tampa offramp of 118 Fwy. 400 Comment
  UCR179726  Rosa californica R. G. Swinney, Dave Larson 1996-7-17 5148 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  UCR4119  Rubus pensilvanicus Ronald M. Cope 1965-3-27 s.n. Los Angeles San Gabriel Mtns., road from Devil's Canyon Wild Area to Azusa, 8-12 mi north of where the road crosses the west fork of the San Gabriel River 762 Comment
  UCR242025  Rubus ursinus Dan S. Cooper 2012-2-13 212- 10 Los Angeles Los Angeles Basin/Western Transverse Range, Griffith Park, Oak Canyon along Griffith Park Dr. 169 Comment
  CAS-BOT-BC158824  Rubus ursinus Peter H. Raven 1959-3-15 13849 Los Angeles Just east of Zuma Beach, Point dume - Santa Monica Mountains 21 Comment
  RSA65368  Rumex acetosella F. W. Peirson 1924-5-27 4630 Los Angeles Colby's Ranch 976 Comment
  UC1922008  Rumex conglomeratus Scott D. White, A. Warniment 2006-7-7 11610 Los Angeles SE TEHACHAPI MTNS.: Gorman area, Gorman Creek NE of the I-5 Freeway. Comment
  LA33888  Rumex crispus Peter H. Raven; Henry J. Thompson 1959-5-5 14114 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  RSA660896  Rumex crispus Darron David 1992-5-8 15 Los Angeles Hacienda Heights, 3.0 miles south of the intersection of Colima Rd. and Haliburton Rd., respectively Comment
  RSA733836  Rumex obtusifolius R. G. Swinney 2000-5-10 7676 Los Angeles San Gabriel Mtns.: San Gabriel River bottom, ca. 600 m NE of confluence with Fish Canyon betweenbike path and river bottom. +/- 1000 m. 220 Comment
  CATA1177  Rumex salicifolius Mark L. Hoefs 1995-5-30 2173 Los Angeles Santa Catalina Island: In and near water course, just above Ben Weston Beach 15 Comment
  RSA474864  Rumex salicifolius Louis C. Wheeler 1932-6-17 831 Los Angeles 1 mile west of Claremont 366 Comment
  SBBG98532  Rumex salicifolius T. Ross 1991-5-21 5409 Los Angeles SW side of island; jct of the upper two forks of Box Cyn 449 Comment
  SDSU21090  Salazaria mexicana Ian Cain 2010-5-9 1399 Los Angeles East south east of Llano. Just north of the corner of Highway 138 and 185th street east 1003 Comment
  UCR223085  Salazaria mexicana R. G. Swinney 2009-5-13 10768 Los Angeles Transverse Range; San Gabriel Mtns., upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1183 Comment
  UCR224371  Salazaria mexicana Justin M. Wood 2010-5-10 1641 Los Angeles San Gabriel Mountains, vicinity of Littlerock Creek, just southwest of intersection of Chesebro Road and Mt. Emma Road 973 Comment
  CAS-BOT-BC103159  Salix bonplandiana Geo. B. Grant 1902-3-1 1153 Los Angeles Pasadena Comment
  CAS-BOT-BC103168  Salix bonplandiana Carl W. Sharsmith 1931-10-26 2 Los Angeles Santa Clara River Valley, 1.5 km. north of Castaic 315 Comment
  RSA611368  Salix exigua Louis C. Wheeler 1968-9-16 s.n. Los Angeles Una Lake, near Palmdale. Comment
  SBBG124475  Salix exigua R. Burgess, P. Munro 1999-4-17 3268 Los Angeles Canton Cyn, NE of Lake Piru, N side of Canton Crk, above second narrows 502 Comment
  SD1057  Salix exigua var. exigua Carl W. Sharsmith 1932-1-17 13 Los Angeles bottom of Lower San Gabriel Canyon, about 9.5 km above Azusa 299 Comment
  UCR271884  Salix gooddingii R. G. Swinney 2011-3-15 14070 Los Angeles San Gabriel Mountains, Arcadia Wilderness Park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 232 Comment
  LA208732  Salix laevigata Carl Hedin; Joseph Ewan 1933-3-11 7667 Los Angeles Ballona Creek at Ballona Marshes [Area 4] Comment
  LA38805  Salix laevigata Henry J. Thompson; 1960-3-13 3018 Los Angeles Santa Monica Mountains, Saddle Peak, 0.5 mi. E of peak 701 Comment
  RSA712189  Salix laevigata A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale 2003-4-30 26224 Los Angeles Western San Gabriel Mtns.: Castaic Valley along Castaic Creek 0-2 km downstream from Lake Hughes Rd., Newhall Ranch 351 Comment
  LA208835  Salix lasiandra John O'Leary; 1975-5-14 366 Los Angeles at base of Tehachapi Mountains, about 1.4 mi SE of Gorman 1127 Comment
  LA208841  Salix lasiandra Carl Hedin; Joseph Ewan 1933-3-25 7675 Los Angeles area 6 Comment
  CAS-BOT-BC128129  Salix lasiandra var. lasiandra Carl W. Sharsmith 1932-1-17 8 Los Angeles At bottom of Lower San Gabriel Canyon, about 9.5 km. above Azusa 300 Comment
  RSA615308  Salix lasiolepis Valerie L. Soza 1998-5-3 102 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, along southern edge of pHake Lake. 412 Comment
  UCR43320  Salix lasiolepis David Charlton 1986-6-15 299 Los Angeles San Gabriel Mtns, Buckhorn Campground: creek along Burkhart Trail 1768 Comment
  UCR208239  Salix scouleriana I. M. Johnston 1917-8-22 1683 Los Angeles Transverse Ranges; San Gabriel Mtns, Pine Mountain 2591 Comment
  CDA1355  Salsola australis R. E. Riefner Jr. 2007-3-1 07 -113 Los Angeles Palos Verdes Peninsula; vicinity of Via Coronel and Via Olivera. Comment
  SBBG131988  Salsola tragus S. A. Junak, R. Philbrick 1990-11-8 SCI 128 Los Angeles Wilson Cove Comment
  RSA444922  Salsola tragus G. J. Hollenberg 1928-7-16 s.n. Los Angeles Near Del Rey Palisades. Comment
  RSA444927  Salsola tragus R. Bardell 1930-01 s.n. Los Angeles El Segundo. Comment
  UCD99414  Salsola tragus John Thomas Howell 1952-10-26 28876 Los Angeles Vacant lot, Palmdale. Comment
  CHSC90743  Salvia apiana John Gerard 1972-5-12 Los Angeles Hills behind the campus of California Polytechnic College. Pomona. Comment
  OBI8153  Salvia apiana Lewis Meltz 1977-4-9 LM 15 Los Angeles 25m S of Eaton Cyn wash, 3.0 km E of Eaton Cyn Bridge Comment
  UCLA69782  Salvia apiana George R. Smart 1952-7-13 75 Los Angeles 12.4 mi from Castaic (Castaic-Lake Hughes Road) 457 Comment
  POM4138  Salvia carduacea Marjorie Shaw, Edna Spaulding, C. L. Walton 1917-4-6 s.n. Los Angeles Antelope Valley. Comment
  RSA578243  Salvia columbariae Tim S. Ross, Steve D. Boyd 1994-4-4 7684 Los Angeles Head of South Portal Canyon: northwest of Grass Mountain on forest service road that follows South Portal Canyon. 1180 Comment
  RSA580701  Salvia columbariae Tim S. Ross, Steve D. Boyd 1994-5-25 7908 Los Angeles West summit of Liebre Mountain: West Summit here construed as the rounded knoll 100 m S of the intersections of sections 3,4,9, and 10, T7N R17W. 1684 Comment
  SFV4254  Salvia columbariae W. A. Emboden, Jr. May 1964 s. n. Los Angeles Santa Monica Mountains Las Flores Drive. Comment
  SJSU4355  Salvia columbariae H. L. Buckalew 1962-4-18 Los Angeles between Vincent & Little Rock Comment
  UCR270654  Salvia columbariae R. G. Swinney 2011-4-1 14302 A Los Angeles San Gabriel Mountains/SW Mojave Desert, WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  UCR277226  Salvia columbariae R. G. Swinney 2011-4-19 14399 Los Angeles San Gabriel Mountains, San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  RSA509533  Salvia dorrii var. pilosa S. J. Myers, Ed LaRue 1989-3-20 s.n. Los Angeles Palmdale Area, Elizabeth Lake Road at Ca. Aqueduct. 884 Comment
  RSA434101  Salvia leucophylla R. J. Tinkler 1969-7-12 s.n. Los Angeles Mullholland Drive, west of San Diego Freeway. Comment
  UCR126821  Salvia leucophylla A. C. Sanders 2003-6-19 26972 Los Angeles Western Transverse Range/Santa Clara River Watershed, hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch 412 Comment
  RSA446326  Salvia leucophylla Jessie Velo 1949-6-24 4222 Los Angeles Los Padres National Forest. 457 Comment
  CAS-BOT-BC229926  Salvia mellifera Marcus E. Jones 1926-5-20 s.n. Los Angeles Mountains near Claremont Comment
  CAS-BOT-BC229935  Salvia mellifera Alice Eastwood 1919-7-4 9279 Los Angeles Santa Monica Canyon, Los Angeles Comment
  RSA654644  Salvia mellifera Fred Brooks 1988-5-7 32 Los Angeles San Antonio Canyon, 1.5 mi. above second tunnel at Mountain Rd. turnoff. Comment
  RSA82404  Salvia mellifera Joseph A. Ewan 1932-5-10 7465 Los Angeles Hybrid colony on hot fire break, west rim of Verdugo Canyon Comment
  SD258938  Salvia mellifera Sarah J. De Groot, Newton Wong, et al 2016-7-7 7975 Los Angeles San Gabriel Mountains, Angeles National Forest; northwest of Hoot Owl Flats, above San Gabriel Reservoir and North Fork of San Gabriel River. West of Highway 39 at mile post 28.5; FSR 2N14, ca. 0.2 mile from highway. 586 Comment
  UC147937  Salvia mellifera C. F. Baker 1909-5-15 5321 Los Angeles San Antonio Canyon; Claremont Comment
  UCR13472  Salvia mellifera O. F. Clarke, B. T. Gittins, D. Kucera & So. Cal. Botanists Fld. Trip 1968-2-25 s.n. Los Angeles Channel Islands, Santa Catalina Island, within 0.5 mile of the U.S.C. Marine Sciences Station at the isthmus on the N end of the island 213 Comment
  RSA0034498  Salvia mellifera Elwood Fordham 1951-4-15 s.n. Los Angeles Topanga. Summit Rd. 304 Comment
  RSA0086865  Salvia mellifera Steven A. Junak 1998-6-13 SCa- 746 Los Angeles Santa Catalina Island: W side of Avalon Canyon drainage, along N rim of Quail Canyon, just W of Los Angeles County Fire Station. 24 Comment
  CHSC3714  Sambucus mexicana Sue Boergadine 1966-4-28 10 Los Angeles 8 mi NE Newhall approx. 914 Comment
  POM213089  Sambucus mexicana C. B. Wolf 1932-7-6 3832 Los Angeles Van Nuys Blvd., 1/2 mile E of Pacoima Post Office 335 Comment
  CAS-BOT-BC238739  Sambucus nigra subsp. caerulea Timothy S. Ross; J. Mark Porter 1995-5-4 8509 Los Angeles The Liebre Mountains. Texas Canyon: ca 2.8 road miles NE of Bouquet Canyon Road 609 Comment
  CAS-BOT-BC238755  Sambucus nigra subsp. caerulea Chester Dudley 1931-7-1 s.n. Los Angeles San Gabriel Valley Comment
  SD251642  Sambucus nigra subsp. caerulea F. R. Fosberg 1931-3-18 S 4289 Los Angeles Santa Catalina Island; Hamilton Canyon. 10 Comment
  UC877769  Samolus parviflorus Louis C. Wheeler 1933-7-7 1917 Los Angeles near El Monte (Lexington Wash); Lexington Wash 73 Comment
  RSA595002  Sanguisorba minor Mark Hoefs, Robert F. Thorne, Janet Takara, M. Gay 1995-7-27 2504 Los Angeles Santa Catalina Island: below Bulrush Reservoir. 282 Comment
  SBBG42512  Sanicula arguta R. Moran 1941-3-7 686 Los Angeles Middle Ranch 200 Comment
  UC1562956  Sanicula arguta Steve Myers 1990-4-3 2 Los Angeles Powder Canyon in the city of La Habra Heights Powder Canyon; La Habra Heights, Powder Canyon 243 Comment
  POM49800  Sanicula arguta L. W. Nuttall 1920-6-2 s.n. Los Angeles Sea cliffs, Santa Catalina Island. Comment
  RSA471461  Sanicula crassicaulis L. C. Wheeler 1936-7-2 4207 Los Angeles San Gabriel Mountains, Bell Canyon. 854 Comment
  LA82388  Sanicula tuberosa O. H. Kappler; 1944-3-26 555 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UCR202522  Sarcodes sanguinea R. G. Swinney 2001-8-9 8010 Los Angeles San Gabriel Mtns., east peak on Pleasant View Ridge 2504 Comment
  UC449725  Sarcostemma cynanchoides subsp. hartwegii unknown July, 1904 972 Los Angeles Covina Comment
  RSA547481  Schedonorus arundinaceus Timothy S. Ross, Orlando Mistretta 1992-7-24 6762 Los Angeles Vicinity of Strawberry Spring, 76 deg. ENE, 900 m distant from Strawberry Peak summit 1460 Comment
  RSA650358  Schedonorus arundinaceus Nancy Gould 1977-5-13 26 Los Angeles Cal Poly Campus, Pomona. Comment
  UCD65892  Schedonorus arundinaceus Peter H. Raven; Robert F. Thorne 1964-5-7 19038 Los Angeles Santa Monica Mountains. Saddle Rock Ranch, near Seminole Hot Springs. Comment
  RSA579239  Schinus terebinthifolius T. S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, Darin Banks, Megan Tommerup 1994-3-28 7410 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; sun-named horseshoe-shaped canyon to the NE of upper Forrestal Drive; 174 Comment
  CDA2421  Schismus arabicus J. J. Heuer 1964-2-4 Los Angeles Back of Santa Fe Dam, Irwindale. 0 Comment
  RSA339638  Schismus barbatus R. F. Thorne, M. Z. Thorne 1980-3-23 54004 Los Angeles Foothills of San Gabriel Mountains: Johnson's Pasture above Claremont. 610 Comment
  LA33906  Schoenoplectus acutus var. occidentalis Peter H. Raven; Henry J. Thompson 1959-10-14 14640 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, E-end 220 Comment
  UCR206502  Scirpus maritimus A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36963 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  SD352224  Scirpus microcarpus Steven A. Junak 1999-9-10 Sca 1094 Los Angeles Santa Catalina Island. Middle Ranch Canyon, inland from Ben Weston Beach (Mills Landing). 91 Comment
  RSA733719  Scrophularia californica subsp. floribunda R. G. Swinney 2000-6-25 7803 Los Angeles San Gabriel Mtns.: ridge top (hill 4413) on west side of San Antonio Canyon, between Evey Canyon and nameless 1st canyon to north, c. 3/4 mi. west of San Antonio Cyn. Rd. 1345 Comment
  RSA425211  Scrophularia californica subsp. floribunda Anstruther Davidson 1920-1 s.n. Los Angeles Laguna. Comment
  RSA639993  Scutellaria siphocampyloides Richard Olmstead 1986-6-8 792 Los Angeles Angeles Nat. For. along Creek near picnic area at Chilao Camp. 1601 Comment
  POM946  Selaginella asprella Ivan M. Johnston 1917-7-28 1595 Los Angeles San Antonio Canon 1753 Comment
  UCR193689  Selaginella bigelovii R. G. Swinney, Dave Larson 1999-5-29 7226 Los Angeles San Gabriel Mtns., San Dimas Canyon, at waterfall in main fork c. 600 m north of confluence with East Fork 610 Comment
  UC36012  Senecio aphanactis Jos. Burtt Davy 1901-3-1 Los Angeles Saugus Comment
  RSA741024  Senecio flaccidus var. douglasii Justin M. Wood, Brandy Wood 2009-1-2 274 Los Angeles Evey Canyon, trail to Potato Mtn. 683 Comment
  UCR209487  Senecio ionophyllus R. G. Swinney 2008-6-17 9019 Los Angeles San Gabriel Mountains, 1.2 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1902 Comment
  SEINET4015257 Image available Senecio lyonii R. Moran 1941-1 665 Los Angeles Point between Wilson's Harbor and Howland's, Santa Catalina Island. 10 Comment
  RSA0124992  Senecio lyonii Mark Hoefs 1974-5-1 442 Los Angeles Santa Catalina Island: by Renton Mine Road. 137 Comment
  RSA682507  Senecio vulgaris Scott D. White, Michael Honer 2003-5-7 9231 Los Angeles Liebre Mountains: Tapia Canyon, about 2 air miles east of Interstate 5 junction at Old Ridge Route. 427 Comment
  RSA747552  Senecio vulgaris R. G. Swinney 2008-4-11 8648 Los Angeles San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  SFV21765  Senecio vulgaris L. Gross 2001-3-31 366 Los Angeles Verdugo Mountains South side of Verdugo Mountains at end of Olive Ave. Parked on Via Montana in Burbank, follow an old road that is overgrown that goes up to the main crest with Sunset Canyon to the west and Story Canyon to the east. On west-facing slope on old road above Sunset Canyon. 396 Comment
  SEINET10526757  Setaria parviflora David B. Dunn 1947-7-20 Dunn 2988 Los Angeles Collected at 316 North Avenue 50. Comment
  UCD170321  Sidotheca trilobata R. G. Swinney 2009-5-27 10878 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream. 1585 Comment
  CATA1014  Silene gallica Mark L. Hoefs 1995-5-4 1929 Los Angeles Santa Catalina Island: Above Howlands Landing 60 Comment
  RSA4825  Silene gallica James Snow 1932-1 s.n. Los Angeles Bryant Ranch, near Long Beach, Station no.3. Plat. 3. Comment
  SBBG108147  Silene gallica S. L. Crockett, M. L. Hoefs, J. Takara 1997-3-28 616 Los Angeles 1.1 mi S of Two Harbors on Cat Harbor Rd 30 Comment
  SBBG88373  Silene gallica M. B. Dunkle 1939-4-4 7259 Los Angeles Chenetti Cyn Comment
  CAS-BOT-BC387019  Silene gallica Louis C. Wheeler 1932-3-23 521 Los Angeles UCLA Campus, West Los Angeles 137 Comment
  CAS-BOT-BC387023  Silene gallica John I. Carlson 1914-4-25 s.n. Los Angeles Avalon, Catalina Island Comment
  POM186341  Silene gallica Joseph A. Ewan 1932-6-29 7567 Los Angeles Arizona Ave. four miles W of Hawthorn. Comment
  RSA165680  Silene gallica Wesley O. Griesel 1963-4-26 770 Los Angeles About 1/2 mile southeast of Devil s Gate Dam, Pasadena. 366 Comment
  CAS-BOT-BC174905  Silene laciniata F. Grinnell Jr. 1917-8-12 s.n. Los Angeles Big Santa Anita [Canon] Canyon, San Gabriel Mountains 1127 Comment
  OBI19464  Silene laciniata subsp. laciniata Bill Arbaugh 1966-5-28 s.n. Los Angeles Little Tujunga Cyn Comment
  UCR277123  Silene parishii R. G. Swinney 2010-9-23 13892 Los Angeles San Gabriel Mountains, summit of Middle Hawkins Peak on Hawkins Ridge 2593 Comment
  RSA438866  Silene verecunda subsp. platyota F. R. Fosberg, J. Ewan 1931-8-12 4990 Los Angeles San Gabriel Mountains: trail to summit of Mount Islip 2439 Comment
  CAS-BOT-BC74900  Sinapis alba Dr. H. E. Hasse 1890-3-1 s.n. Los Angeles Soldiers Home. Comment
  SD69707  Sinapis arvensis Robert F. Thorne 1966-4-29 36291 Los Angeles Santa Catalina Island; disturbed ground near dam, Middle Ranch, Middle Ranch Canyon. 199 Comment
  POM307357  Sisymbrium altissimum Henry J. Ramsey, Henry J. Ramsey 1937-3-21 2182 Los Angeles North Craig Ave., Altadena. Comment
  RSA431704  Sisymbrium altissimum Freda Detmers 1931-5-17 s.n. Los Angeles Big Rock Canyon Comment
  PASA2077  Sisymbrium officinale Sally Ellis 1940-4-16 Los Angeles Claremont Comment
  RSA592152  Sisymbrium officinale L. C. Wheeler 1967-5-7 9281 Los Angeles Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon 609 Comment
  SBBG131512  Sisymbrium orientale S. A. Junak 2000-5-18 SCa 1302 Los Angeles E end of beach at Parsons Landing, back beach 3 Comment
  UCR184355  Sisymbrium orientale A. C. Sanders 2007-4-19 33465 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  CATA1316  Sisymbrium orientale Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2408 Los Angeles Santa Catalina Island: White's Landing 3 Comment
  RSA648037  Sisymbrium orientale Orlando Mistretta 1992-7-13 673 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  RSA649812  Sisyrinchium bellum Matt Brooks 1988-5-7 34 Los Angeles Whittier, Dark Canyon 1.7 miles east of its confluence with Sycamore Canyon. Comment
  CAS-BOT-BC174996  Solanum douglasii A. C. Sanders 2003-3-14 25767 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
  RSA422384  Solanum douglasii F. H. Elmore 1939-11-26 s.n. Los Angeles Wilson Cove, San Clemente Island. Comment
  RSA584488  Solanum douglasii Tim S. Ross 1992-5-24 6423 Los Angeles Brown's Gulch: (draining to San Gabriel Canyon at the base of San Gabriel Dam) 537 Comment
  RSA657957  Solanum douglasii S. Campbell 1980-6-2 27 Los Angeles Verdugo Mountains: Found 500 feet west off Sierra Place 244 Comment
  UCSB5932  Solanum douglasii Gill, Robert 1959-4-2 Los Angeles Checking Station (water) in San Dimas Canyon, Mt. Range San Gabriel 365 Comment
  CATA290  Solanum elaeagnifolium Mark L. Hoefs 1973-6-4 308 Los Angeles Santa Catalina Island: Field above golf course #4 green, Avalon Canyon 53 Comment
  JEPS12109  Solanum physalifolium var. nitidibaccatum unknown 1925-7-21 Los Angeles Los Angeles Comment
  CAS-BOT-BC154691  Solanum umbelliferum E. C. Twisselmann 1964-6-10 9619 Los Angeles Fork at the head of Castaic Valley 1310 Comment
  UC139918  Solanum umbelliferum C. F. Baker 1903-3-16 4059 Los Angeles Claremont Comment
  UCR192018  Solanum umbelliferum A. C. Sanders 2008-4-17 34914 Los Angeles Transverse Range, 1.5 mile SW of Neenach School, c. 0.75 mi. SW of VABM 'Pine', south of peak 3413 1012 Comment
  RSA545275  Solanum wallacei D. Propst, Hoefs 1973-3-3 14 Los Angeles Santa Catalina Island. Upper White Landing Road. 381 Comment
  NY820378  Solanum xanti I. W. Clokey 04 1929 4432 Los Angeles Mandeville Canyon, Santa Monica Mountains 200 Comment
  NY820411  Solanum xanti L. Abrams 1908-6-19 336 Los Angeles Oakgrove Canyon, Liebre Mountains 1067 Comment
  UCR124588  Solanum xanti B. C. Templeton, I. W. Clokey 1930-4-8 1045 Los Angeles San Gabriel Mtns, San Francisquito Canyon 900 Comment
  SEINET7262095 Image available Solanum xanti var. glabrescens B. C. Templeton, I. W. Clokey 1930-4-8 1045 Los Angeles San Francisquito Canyon; San Gabriel Mountains Comment
  CSUSB918  Solanum xanti var. intermedium Sue Freeman 1966-4-10 Los Angeles On dry canyon slope above Gavin Creek, about 5 miles north of the junction of Foothill Blvd. in San Fernando and Highway 99; 20 yards from highway. 609 Comment
  SEINET7262091 Image available Solanum xanti var. intermedium I. W. Clokey, E. G. Anderson 1935-5-9 6878 Los Angeles San Dimas Canyon Comment
  RSA133810  Solidago californica P. H. Raven 1959-9-28 13732 Los Angeles Elysian Park 198 Comment
  RSA473690  Solidago confinis I. M. Johnston 1917-8-22 1674 Los Angeles Prairie Fk. of San Gabriel R. 1524 Comment
  SBBG31085  Solidago velutina var. californica R. F. Thorne 1966-9-15 36703 Los Angeles Middle Ranch, Middle Ranch Cyn 213 Comment
  IRVC28583  Sonchus asper A. C. Sanders, Mark Elvin 2002-6-19 25168 Los Angeles Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River NE end of Santa Susana Mtns. 305 Comment
  RSA0069876  Sonchus oleraceus R. G. Swinney 2010-3-24 12091 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA657284  Sonchus oleraceus Greg Burchett, Lisa Kegarice, Curtis Clark 1992-5-26 92 -14 Los Angeles Santa Clara River west from I-5 to trailer park. Comment
  UC1532940  Sonchus oleraceus Robert F. Thorne 1975-9-4 47386 Los Angeles campus USC Marine Science Center (Fisherman's Cove, Santa Catalina Island); Santa Catalina Island, Fisherman's Cove, USC Marine Science Comment
  LA32075  Sonchus oleraceus Peter H. Raven; Henry J. Thompson 1959-9-18 Los Angeles Campus of University of California at Los Angeles 129 Comment
  RSA160432  Sonchus oleraceus J. D. Olmsted 1959-3-23 308 Los Angeles Blanchard park on Pomona college campus by area catching runoff from sprinkling system-common weed. Comment
  CDA2444  Sorghum X almum T. Suzuki, Siebe 1956-7-2 Los Angeles San Fernando Valley. 0 Comment
  UCR168228  Sorghum halepense G. D. Wallace 1979-5-2 1835 Los Angeles San Gabriel Valley, Arcadia, vacant lot at SW corner of N Baldwin Ave. and W Foothill Blvd. 194 Comment
  RSA0082584  Spartium junceum R. G. Swinney 2010-6-4 12987 Los Angeles Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon. 476 Comment
  RSA642686  Spartium junceum Orlando Mistretta 1992-7-14 703 Los Angeles San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District. Comment
  UCR150624  Spartium junceum Scott D. White 1997-5-8 5080 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Canyon: north of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir 427 Comment
  UCR213789  Spartium junceum Scott D. White, Justin M. Wood, Jamie Miner 2009-5-12 12696 Los Angeles San Gabriel Mountains, Millard Canyon, north of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lower Fire Road 707 Comment
  RSA0097919  Spergularia bocconi R. G. Swinney 2009-3-12 10102 Los Angeles Azusa, mouth of San Gabriel River Canyon, 0.7 mi. north of Sierra Madre Ave. on north side of Hwy 39. 226 Comment
  UCR108378  Spergularia bocconi L. C. Wheeler 1970-6-9 s.n. Los Angeles Coastal Plain, San Pedro, Harbor Blvd, at 4th Street 3 Comment
  NY482324  Spergularia bocconi P. H. Raven 1962-5-8 17615 Los Angeles San Clemente Island: Wilson Cove; barracks area 76.2 Comment
  RSA232821  Spergularia macrotheca R. F. Thorne 1966-4-15 36019 Los Angeles San Clemente Island, 0.5 mile SSE of Eel Point, SW side of island 0 Comment
  RSA235303  Spergularia macrotheca M. A. Piehl, Peter H. Raven 1962-6-9 62361 Los Angeles San Clemente Island. At China Point (s. of light house). 3 Comment
  RSA65565  Spergularia platensis F. W. Peirson 1944-8-19 s.n. Los Angeles at 1085 New York Avenue, Altadena Comment
  RSA128052  Sporobolus indicus var. indicus H. J. Thompson, Peter H. Raven 1958-9-28 13729 Los Angeles Lawn weed, near Ohio Street on Westwood Blvd 69 Comment
  RSA670394  Stanleya pinnata B. C. Templeton 1931-5-17 1209 Los Angeles South of Lancaster. Mojave Desert. Comment
  CAS-BOT-BC60915  Stanleya pinnata Ira L. Wiggins 1966-5-24 20646 Los Angeles Mohave Desert. Along Palmdale Avenue between 90 Street E and 150 Street E, about 15 miles east of Palmdale. Comment
  CAS-BOT-BC393696  Stellaria media Geo. B. Grant 1902-6-25 s.n. Los Angeles San Gabriel Canyon 457 Comment
  LA34252  Stellaria media Peter H. Raven; 1959-3-1 13822 Los Angeles Santa Monica Mountains, Griffith Park 213 Comment
  LA82417  Stellaria media O. H. Kappler; 1943-3-1 363 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA29635  Stellaria media Joseph A. Ewan 1933-06 10798 Los Angeles Abundant in moist soil of Salix thickets, along creek, Verdugo Canyon Comment
  RSA533463  Stellaria media Timothy S. Ross 1991-4-21 4553 Los Angeles Whittier Hills (Puente Hills, pro parte), ridgetop between Turnbull and Sycamore Canyons. 320 Comment
  RSA474197  Stephanomeria exigua subsp. coronaria F. R. Fosberg 1931-9-17 5698 Los Angeles Los Angeles. 40 Comment
  RSA600355  Stephanomeria pauciflora Steve Boyd, Lauren Raz 1997-5-28 9884 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  UCR210135  Stephanomeria virgata R. G. Swinney 2008-8-13 9392 Los Angeles San Gabriel Mtns., Big Rock Creek, 1.3 mi. east of Fenner Canyon 1860 Comment
  RSA792018  Stephanomeria virgata subsp. virgata Jane Tirrell 2012-8-20 LS 0164 Los Angeles North side of California State Route 2 near mile marker 66.6, approx. 1.5 mi east of Islip Saddle 2232 Comment
  LA103565  Stipa hymenoides Barry A. Prigge; 1986-3-29 7195 Los Angeles Antelope Valley, Little Rock Creek: just above State Hwy 138 883 Comment
  RSA0097774  Stipa occidentalis var. californica R. G. Swinney 2011-7-8 15516 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), the middle elevation (& smallest ) of three natural depressions at the north base of Strawberry Peak 1171 Comment
  CATA794  Stipa pulchra Mark L. Hoefs, Robert Given 1991-6-12 1362 Los Angeles Santa Catalina Island: Near road above Salta Verde Beach 176 Comment
  CAS-BOT-BC61006  Streptanthella longirostris Ira L. Wiggins 1966-4-24 20648 Los Angeles Mohave Desert. Along Palmdale Boulevard between 90 Street east and 150 Street east, about 15 miles east of Palmdale. Comment
  CAS-BOT-BC376004  Stylocline gnaphaloides Alice Eastwood 1906-5-27 228 Los Angeles Country adjacent to Los Angeles. Roscoe Comment
  SDSU560  Stylocline gnaphaloides H. Wedberg 1966-4-3 1187 Los Angeles Above Hill Dr. at Neal, in Eagle Rock. 457 Comment
  RSA0016995  Suaeda moquinii Anstruther Davidson 1917-09 3282 Los Angeles [**] Slough, Los Angeles [now Dominguez Golf Course] Comment
  RSA438623  Suaeda moquinii Anstruther Davidson 1902-06 2944 Los Angeles (Hauser)? Comment
  UCD169514  Suaeda nigra R. G. Swinney 2009-5-5 10638 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing. 951 Comment
  POM183479  Symphoricarpos mollis Joseph A. Ewan 1929-5-4 3469 Los Angeles Santa Monica Mountains, Santa Ynez Canyon. Comment
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Apr 15 2014
  UCR252561  Symphoricarpos mollis R. G. Swinney 2010-6-21 13264 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
  CAS-BOT-BC97958  Symphyotrichum greatae John Thomas Howell 1928-6-10 3871 Los Angeles Monrovia [Canon] Canyon near the dam, San Gabriel Mts. Comment
  OBI16996  Symphyotrichum greatae Wesley O. Griesel 1961-9-2 s.n. Los Angeles Switzer's Camp, Arroyo Seco, San Gabriel Mtns 762 Comment
  SEINET3854195 Image available Symphyotrichum greatae Peter H. Raven, W. O. Griesel 1961-10-13 16842 Los Angeles Upper Arroyo Seco, about 200 yards above Switzers Camp 762 Comment
  UCR197725  Syntrichopappus fremontii Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 2 Los Angeles Transverse Ranges; San Gabriel Mountains, off Big Pines Hwy (Road N) on the north side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside 1444 Comment
  RSA757958  Tamarix parviflora Michael Honer, Crissy Slaughter, Julie Love 2009-4-30 3294 Los Angeles Antelope valley; Along 170th Street West, appx. 1.5 mi. N of Highway 138. 805 Comment
  SBBG109553  Tamarix parviflora E. R. Blakley 1996-4-3 7701 Los Angeles Warm Springs, Elizabeth Lake Cyn Rd Comment
  UCR219940  Tamarix ramosissima R. G. Swinney 2009-4-16 10367 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel Canyon, 0.3 to 0.6 miles NW (upstream) of confluence with San Gabriel River 280 Comment
  RSA0025157  Taraxacum officinale Jane Tirrell 2012-6-19 LS 0069 Los Angeles Lily Spring; downslope from Pacific Crest Trail, approximately 0.5 mile northwest of Mt. Hawkins. 2481 Comment
  RSA802556  Tauschia arguta Orlando Mistretta, Christine Mistretta 2011-7-6 5913 Los Angeles Fall Creek Canyon; tributary of N Fork Mill Creek, along Forest Road 3N27. 1239 Comment
  RSA671268  Tauschia parishii F. R. Fosberg 1931-8-12 S- 5565 Los Angeles Islip trail, Mt. Hawkins. 2200 Comment
  UCR209482  Tauschia parishii R. G. Swinney 2008-6-17 9022 Los Angeles San Gabriel Mountains, 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1992 Comment
  RSA729957  Tetradymia axillaris var. longispina R. G. Swinney 1999-4-5 7040 Los Angeles