Search Results — 2000 specimen records retrieved (1569 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-BC229554  Abronia maritima Herman Knoche 1919-7-4 1010 Los Angeles Beach, Smuggler's Cove Comment
  RSA651287  Abronia maritima Marcy Keys 1981-5-25 83 Los Angeles Malibu Lagoon State Park. 100 yds. from shore, 150 yds. south of location where Malibu stream pours into ocean. Comment
  RSA0048573  Abronia maritima A. Lee Haines 1970-4-24 s.n. Los Angeles Pt. Dume. Comment
  UCR177312  Acacia dealbata LeRoy Gross, Michael Denslow, B. Hogshead, Sarah Swartzentruber 2003-6-17 1037 Los Angeles Transverse Ranges; Verdugo Mountains, South side of mountains, west side of Brand Canyon just a short distance above the cemetery 307 Comment
  OBI29189  Acamptopappus sphaerocephalus David J. Keil 1976-12-12 11894 Los Angeles 5 mi w of San Bernardino Co. line along CA rte 138 1128 Comment
  CAS-BOT-BC412578  Acanthoscyphus parishii var. parishii H. E. Hasse 1893-8-24 s.n. Los Angeles Near Acton. Head of Cottonwood Canon [Canyon] 1524 Comment
  CAS-BOT-BC331527  Acer macrophyllum C. F. Baker 1903-8-2 3675 Los Angeles Claremont Comment
  CAS-BOT-BC331572  Acer macrophyllum K. Kneen 1933-4-29 s.n. Los Angeles Topanga canyon Comment
  POM306283  Acer macrophyllum Henry J. Ramsey, Henry J. Ramsey 1938-5-1 1395 Los Angeles Eaton Canyon Park, Altadena. Comment
  RSA669342  Acer macrophyllum LeRoy Gross, Naomi S. Fraga, Steve Williams 2002-7-17 566 Los Angeles North side; Off of La Tuna Canyon Road, ( Santa Monica Mountains Conservancy land) side canyon off of La Tuna Canyon 488 Comment
  RSA799864  Acer macrophyllum Monica Rodriguez, Michelle Terrazino, Naomi S. Fraga 2013-7-23 9 Los Angeles Glendora Ridge Road. 1288 Comment
  SFV2163  Acer macrophyllum P. G. Kilburn 1958-4-11 708 Los Angeles Santa Susana Mountains Oat Mountain, north slope ravine. 945 Comment
  RSA592517  Achillea millefolium Mark Hoefs, D. Propst 1973-3-14 81 Los Angeles Santa Catalina Island: Cape Canyon. 244 Comment
  RSA416189  Achillea millefolium M. Z. Salazar 1969-8-12 s.n. Los Angeles San Gabriel Mtns. Big Tujunga Canyon, 5 mi. N of Tujunga. 609 Comment
  RSA550705  Achillea millefolium var. californica Tim Ross, Annette Ross 1991-7-29 5693 Los Angeles Elephant Hill, N most point of the Puente Hills, W Pomona. 229 Comment
  RSA138246  Achnatherum coronatum P. H. Raven 1959-5-3 14104 Los Angeles 1.2 miles south of Mulholland Drive, Fraklin Canyon 259 Comment
  CAS-BOT-BC260447  Achnatherum hymenoides A. D. E. Elmer 1902-6-1 3617 Los Angeles Lancaster Comment
  UC284801  Achnatherum hymenoides P. A. Munz 1923-5-27 6906 Los Angeles Pallett Creek San Gabriel Mts. Comment
  RSA680132  Achnatherum parishii LeRoy Gross, Michael Denslow 2003-6-4 981 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
  SD28064  Acmispon argophyllus var. argenteus Carl B. Wolf 1932-5-10 3530 Los Angeles Santa Catalina Island, back of Avalon, summit of the equestrian trail 305 Comment
  UCD104082  Acmispon brachycarpus A. C. Sanders; Mark A. Elvin, et al. 2003-4-14 25960 Los Angeles NE end of Santa Susana Mtns. Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  SBBG132083  Acmispon dendroideus var. traskiae M. B. Dunkle 1939-4-6 7285 Los Angeles beach bank, Mosquito Harbor Comment
  SBBG37916  Acmispon grandiflorus var. grandiflorus R. Moran 1941-2-26 627 Los Angeles Johnson's Valley 100 Comment
  UCD104233  Acmispon maritimus Kenneth A. Wilson 1961-3-1 879 Los Angeles Santa Monica Mtns. Mulholland Hwy about 1 mile west of Las Virgenes Hwy. Comment
  SFV1852  Acmispon strigosus P. G. Kilburn 1958-4-11 711 Los Angeles Santa Susana Mountains South slope of Oat Mountain. 579 Comment
  LA52446  Acmispon wrangelianus Louis Wheeler; 1932-4-30 673 Los Angeles Santa Monica Mountains, University of California, Los Angeles, Westwood. S of arroyo bridge 137 Comment
  CAS-BOT-BC29199  Acourtia microcephala Alice Eastwood 1917-7-20 6493 Los Angeles Santa Catalina Island Comment
  LA200147  Acourtia microcephala Carl Epling; Nesta Hutchinson 1931-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  SBBG66263  Acourtia microcephala M. N. Ackley -Apr-1929 Los Angeles La Crescenta 457 Comment
  UC35624  Acourtia microcephala J. H. Barber 1897-6-20 166 Los Angeles Santa Monica Experiment Station; Southern California Comment
  UC485227  Acourtia microcephala J. Grinnell 1903-7-3 Los Angeles Arroyo Seco Pasadena Comment
Read comments
Jul 24 2012
  SD230162  Acroptilon repens Louis C. Wheeler 1973-6-14 Los Angeles California State University, Long Beach. Fallow field of several acres at NE corner of campus. Comment
  CAS-BOT-BC132894  Adenostoma fasciculatum Peter H. Raven; Henry J. Thompson 1959-5-3 14080 Los Angeles Mulholland Drive 0.6 miles east of Coldwater Canyon 365 Comment
  CAS-BOT-BC133191  Adenostoma fasciculatum L. R. Abrams; I. L. Wiggins 1931-7-4 315 Los Angeles White's Landing, Santa Catalina Island Comment
  CHSC99432  Adenostoma fasciculatum LeRoy Gross; Bill Hogshead, Valerie Soza 2003-5-29 946 Los Angeles Transverse Ranges: Verdugo Mountains region: West end of the mountains. At junction (saddle) of Verdugo motorway and Wildwood Fire Road (abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago.) We went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Motorway) Basically a triangle. UTM Zone : 3787689N 0378361E. 564 Comment
  RSA0060511  Adenostoma fasciculatum R. G. Swinney 2010-3-10 11821 Los Angeles Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 442 Comment
  RSA390493  Adenostoma fasciculatum var. fasciculatum F. R. Fosberg 1931-4-10 S- 4562 Los Angeles Avalon Canyon, Santa Catalina Island. 180 Comment
  RSA588862  Adenostoma fasciculatum var. fasciculatum Orlando Mistretta 1994-9-21 1483 Los Angeles Santiago Canyon at jct. of Forest Rd. 4N20 with Santiago Creek. 1220 Comment
  UC1587561  Adenostoma sparsifolium Tim Ross 1991-9-2 5928 Los Angeles near Mulholland Hwy. X Yerba Buena Rd.; Santa Monica Mts., Triunfo Quad. 487 Comment
  UCR190272  Adiantum aleuticum R. G. Swinney 2000-9-16 7869 Los Angeles San Gabriel Mtns., Coldwater Canyon, c. 2.1 mi. NE of confluence with Dry Gulch 1780 Comment
  UCR192657  Adiantum aleuticum R. G. Swinney 1999-8-14 7616 Los Angeles San Gabriel Mtns., upper Fish Fork San Gabriel River, c. 0.7 mi. west of junction of Fish Fork Trail on West Dawson Peak Ridge 2134 Comment
  RSA687679  Adiantum capillus-veneris M. B. Dunkle 1928-5-13 1952 Los Angeles Cottonwood Canyon, Santa Catalina Island. 9 Comment
  RSA687691  Adiantum jordanii M. B. Dunkle 1928-3-31 1776 Los Angeles Santa Catalina Island: side of canyon, Campo Blanco 183 Comment
  UC399483  Adiantum jordanii Grant and Wheeler April, 1904 6182 Los Angeles Santa Catalina Isl Comment
  UC811113  Adiantum jordanii F. R. Fosberg 1931-3-23 R 79 Los Angeles Hamilton Canyon; Santa Catalina Isl 30 Comment
  UCR23352  Adiantum jordanii John C. Roos 1942-4-18 1084 Los Angeles Transverse Range; San Gabriel Mtns., East Fork of Santa Anita Canyon Comment
  PASA2377  Aesculus californica Frank W. Peirson 1923-6-9 Los Angeles Pine Canyon, Liebre Mts. 1188 Comment
  RSA0119028  Aesculus californica A. C. Sanders 2007-4-25 33562 Los Angeles Tehachapi Mtns.: Oso Canyon, 0.5 mi. SE of Kern Co. line, on Oso Canyon Rd. 1128 Comment
  RSA609127  Agoseris retrorsa L. C. Wheeler 1968-5-12 s.n. Los Angeles Divide between Punchbowl Canyon and Watkins Creek at end of road and beginning of Burkhart Trail. 1585 Comment
  RSA188278  Agrostis pallens R. F. Thorne 1966-6-1 36459 Los Angeles Santa Catalina Island: SE of Avalon 15 Comment
  RSA367015  Allium W. Hutchinson 1924-4-1 s.n. Los Angeles Tehachapi Mountains. Comment
  SD111592  Allium burlewii Wayne P. Armstrong 1982-6-27 Los Angeles Just below summit of Mt. Baden-Powell. Growing in loose talus. 2743 Comment
  RSA668073  Allium haematochiton Ian Swift, Michael C. Long 2002-3-5 361 Los Angeles San Jose Hills, Frank G. Bonelli County Park, south of Via Verde Drive. 0.9km SE of Park HQ. 338 Comment
  CHSC4745  Allium lacunosum var. davisiae M. MacArthur 1967-6-24 60 Los Angeles 0.7 mi from turn-off on Angeles Crest Hwy. To lower Chilao keeping always to the right- - left side of rd. Los Angeles National Forest. 1584 Comment
  UC3119  Allium lacunosum var. davisiae A. Davidson Los Angeles Harold Mohave Region, Harold Comment
  POM8947  Allium praecox Philip A. Munz 1920-3-17 3351 Los Angeles Lone Hill, San Dimas. 305 Comment
  SBBG98468  Allium praecox T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5267 Los Angeles W fork of Near-Death Cyn, draining to Mosquito Cove (drainage beginning 800 ft N of Rest; 1800 ft SE of Malo Knoll; upper portion of drainage 312 Comment
  SDSU11528  Allium praecox R. M. Beauchamp 1967-3-19 314 Los Angeles San Clemente Island On east rim of canyon south of Wilson Cove Pier. Comment
  RSA0097183  Allophyllum divaricatum R. G. Swinney 2011-6-1 14962 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.1-0.3 mile east-southeast of Colby Lodge, along Camp Colby Trail, toward FS Rd 12W052, southeast of Coldwater Canyon headwaters 1061 Comment
  RSA682116  Allophyllum divaricatum Valerie L. Soza, Bill Hogshead, Amber Maurice 2003-5-17 s.n. Los Angeles Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena; (Mt. Wilson). 915 Comment
Read comments
Jul 21 2016
  UC624998  Allophyllum glutinosum F. R. Fosberg 1931-7-14 15413 Los Angeles Hamilton Canyon Santa Catalina Isl., Hamilton Canyon 30 Comment
  SFV18418  Alnus rhombifolia anon. 1976-3-16 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Walker Ranch section. Comment
  SEINET10746295  Alocasia Thomas B. Croat 2003-4-6 Croat 87601 Los Angeles Los Angeles County Arboretum, Rare Plant House. Comment
  POM155743  Amaranthus albus M. B. Dunkle 1928-10-7 2004 Los Angeles Middle Ranch Canyon. Santa Catalina Island. 168 Comment
  RSA591559  Amaranthus albus L. C. Wheeler 1966-9-21 8899 Los Angeles San Gabriel Mountains, north fork San Gabriel River, 1/4 mi. west of intersection of main road with road to upper Bichota Canyon. 930 Comment
  SEINET13387023 Image available Amaranthus albus R. G. Swinney 2011-1 15386 Los Angeles San Gabriel Mountains: 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon (Chilao Flat 7.5' Q.) (T3N R12W S35) 1085 Comment
  UCR204557  Amaranthus albus R. G. Swinney 2005-8-5 8374 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  RSA601638  Amaranthus albus L. C. Wheeler 1967-6-26 9869 Los Angeles Elsmere Canyon 434 Comment
  UCR205938  Amaranthus blitoides A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37067 Los Angeles San Gabriel Valley, Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery 63 Comment
  RSA611546  Amaranthus retroflexus L. C. Wheeler 1968-10-5 s.n. Los Angeles San Gabriel Mountains: San Gabriel Canyon at Water Canyon, along west side of Morris Reservoir. 381 Comment
  POM5984  Amblyopappus pusillus I. M. Johnston 1917-6-10 1271 Los Angeles Playa del Rey. Comment
  SDSU6855  Amblyopappus pusillus R. M. Beauchamp 1967-3-19 337 Los Angeles Behind West Cove. Comment
  RSA0049482  Ambrosia acanthicarpa Richard G. Swinney 2010-8-16 13520 Los Angeles San Gabriel Mountains: Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  SD107877  Ambrosia chamissonis Mark Hoefs 1973-4-15 183 Los Angeles Santa Catalina Island, Ben Weston Beach on dunes 7 Comment
  RSA127976  Ambrosia psilostachya Peter H. Raven, Henry J. Thompson 1959-10-18 14674 Los Angeles Santa Monica Mountains north arm of Malibu Lake 220 Comment
  RSA307082  Ambrosia psilostachya Henry J. Ramsey, Henry J. Ramsey 1937-8-19 1924 Los Angeles Between Walnut and Covina, near State school. Comment
  UC1595405  Ambrosia psilostachya Tim Ross and Annette H. Ross 1991-7-29 5692 Los Angeles n-most point of, (rocky ridgetop, sw side) Puente Hills; San Dimas Quad., Pomona, Elephant Hill 228 Comment
  UCD170783  Amorpha californica R. G. Swinney 2009-5-8 10696 Los Angeles Transverse Range; San Gabriel Mtns., Azusa, El Encanto Azusa River Wilderness Park. 305 Comment
  UC723860  Amorpha californica var. californica K. Kneen 1933-5-14 Los Angeles Topanga Canyon Comment
  CATA1049  Amsinckia intermedia Mark L. Hoefs 1995-5-10 1980 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail 70 Comment
  RSA533887  Amsinckia intermedia Tim Ross, Mike Hammitt, Orlando Mistretta 1991-5-18 5160 Los Angeles San Clemente Island. 950 WNW of Stone at the beginning of the Stone Canyon drainage. 442 Comment
  IRVC27964  Amsinckia tessellata A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26120 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
  RSA774262  Amsinckia tessellata R. G. Swinney 2009-5-5 10647 Los Angeles Carr Canyon, 0.6 mi. southeast of Mt. Emma Rd. crossing 963 Comment
  RSA0115707  Amsinckia vernicosa Andrew C. Sanders 2008-4-10 34789 Los Angeles Transverse Range/Mojave Desert: hills south of Hwy 138, c.1 mile south of Neenach School, slopes N & E of VABM Pine. 915 Comment
  LA34905  Anagallis arvensis Mary V. Hood; 1936-3-5 37 14 Los Angeles Santa Monica Mountains, Higgins Canyon Comment
  RSA545245  Anagallis arvensis D. Propst, M. Hoefs 1973-3-3 21 Los Angeles Santa Catalina Island: East Side of Mt. Black Jack 366 Comment
  RSA0058203  Andropogon glomeratus Richard G. Swinney 2010-6-23 13370 Los Angeles San Gabriel Mountains/Verdugo Mountains: Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace. 335 Comment
  SEINET10695263  Angelica Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2612 Los Angeles City of San Gabriel. Mitsuwa-Yaohan Market, 515 W. Las Tunas. Comment
  UCR280742  Anisocoma acaulis R. G. Swinney 2014-4-23 16165 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains 1256 Comment
  RSA93639  Antennaria dimorpha F. W. Peirson 1921-6-15 2492 Los Angeles Pine Flats, headwaters of Tujunga 1677 Comment
  POM354862  Antirrhinum multiflorum G. R. Johnstone 1930-9-14 s.n. Los Angeles Edison Rd. above Dark Canyon Calif. San Gabriel Mts. 762 Comment
  RSA590517  Antirrhinum multiflorum Tim S. Ross, W. Appleby 1993-5-19 7176 Los Angeles Western San Gabriel Mountains: long SSE-trending ridge S of Wilson Canyon Saddle. 854 Comment
  RSA653046  Antirrhinum multiflorum A. C. Sanders, D. Malueg 1998-6-24 22056 Los Angeles San Gabriel Mtns.: CCC Ridge, off Hwy 2 just N of Pasadena city limit, So. Cal. Edison Mesa-Vincent transmission line at tower 16-2 823 Comment
  CATA274  Antirrhinum nuttallianum subsp. subsessile Mark L. Hoefs 1973-5-15 286 Los Angeles Santa Catalina Island: Behind golf course #7 tee, Avalon Canyon 76 Comment
  CAS-BOT-BC447675  Aphanes arvensis A. J. McClatchie 1894-4-16 s.n. Los Angeles Pasadena Comment
  SBBG131641  Aphanes occidentalis S. A. Junak 1999-4-22 SCa 837 Los Angeles White's Landing, tent cabin area, YMCA Camp, just W of amphitheater 6 Comment
  RSA151228  Aphanisma blitoides P. H. Raven 1962-4-9 17178 Los Angeles San Clemente Island: on sides of small arroyo above Wilson Cove 61 Comment
  SD69360  Aphanisma blitoides Robert F. Thorne, P. Everett 1965-5-11 34528 Los Angeles Santa Catalina Island, east side of Catalina Harbor, near Ballast Point 49 Comment
  RSA617470  Apiastrum angustifolium Scott D. White, Pam De Vries 6759 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. 549 Comment
  SD69476  Apiastrum angustifolium Robert F. Thorne 1966-4-6 Los Angeles Santa Catalina Island, dry ridge between White and Moonstone Coves 14 Comment
  IRVC28710  Apium graveolens A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25493 Los Angeles Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley NE end of Santa Susana Mtns. 300 Comment
  SBBG58621  Apocynum cannabinum R. Hoffmann 1928-7-7 Los Angeles Acton Comment
  SD215379  Apocynum cannabinum Steve Boyd, Lauren Raz 1997-5-28 9842 Los Angeles Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 865 Comment
  UC1123489  Apocynum cannabinum Jerome S. Horton 1935-6-21 199 Los Angeles Tanbark Flats Pomona Quad., Tanbark Flats Comment
  UC1595426  Apocynum cannabinum Tim Ross 1992-7-10 6656 Los Angeles Big Tujunga Creek between Coldwater and Wickiup Canyons; San Gabriel mts., Big Tujunga Creek 967 Comment
  UCR138510  Aquilegia formosa L. C. Wheeler 1970-6-26 s.n. Los Angeles San Gabriel Mountains, Fish Fork 1098 Comment
  RSA0125854  Arabis R. G. Swinney 2009-5-27 10870 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  RSA482611  Arabis platysperma var. platysperma Fred Burlew 1926-07 s.n. Los Angeles Mt Islip. Comment
  UCR223594  Arabis pulchra R. G. Swinney 2009-6-8 11092 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
  UCR4011  Arabis pulchra Val Chase 1965-4-12 38 Los Angeles Mojave Desert, 2 mi north of Pinyon Hills on road from Cajon to Palmdale (Hwy 138), roadside to the west 1220 Comment
  SBBG126938  Aralia californica A. Parikh, N. Gale 2011-7-20 3569 Los Angeles W Fork San Gabriel River, 6.6 km W of St Hwy 39; San Gabriel Mtns 621 Comment
  RSA597399  Arceuthobium californicum Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3768 Los Angeles San Gabriel Mountains: low saddle between Crystal Lake and the depression to its SSW. 1704 Comment
  RSA127928  Arctostaphylos canescens subsp. canescens P. H. Raven, Henry J. Thompson 1959-2-25 13808 Los Angeles 1.2 miles east of summit, Saddle Peak. 671 Comment
  SD90417  Arctostaphylos catalinae Robert F. Thorne 1970-3-5 39355 Los Angeles Santa Catalina Island; Middle Ranch Canyon. 395 Comment
  RSA0034714  Arctostaphylos catalinae Meryl B. Dunkle 1928-12-27 2037 Los Angeles Hay Press, Santa Catalina Island. Comment
  RSA626740  Arctostaphylos glandulosa Allen Massihi, Jon E. Keeley 1992-7-9 16009 Los Angeles Whitaker Peak, west of the Templin Highway. 1250 Comment
  RSA631301  Arctostaphylos glandulosa Jon E. Keeley, Melanie Baer-Keeley 1992-10-11 21987 Los Angeles Liebre Mountains, 3.5 km east of Bear Campground. 1675 Comment
  LA42312  Arctostaphylos glandulosa subsp. mollis Harlan Lewis; 1940-2-4 1054 Los Angeles Santa Monica Mountains, Saddle Peak 670 Comment
  POM367267  Arctostaphylos glandulosa subsp. mollis Kenneth R. Montgomery 1973-3-22 73 -2 Los Angeles site of LASCA Cistus field plot Comment
Read comments
Nov 19 2011
  RSA530066  Arctostaphylos glandulosa subsp. mollis T. S. Ross 1991-8-16 5864 Los Angeles Horse Flats (southern end) 823 Comment
  CAS-BOT-BC39332  Arctostaphylos glauca Fordyce Grinnell 1903-12-22 37 Los Angeles Arroyo Seco Canyon, near Pasadena Comment
  CAS-BOT-BC39348  Arctostaphylos glauca H. E. McMinn 1926-7-22 1783 Los Angeles Bear Flat Trail to Mt. San Antonio Comment
  RSA631425  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20501 Los Angeles Chilao Campground. 1600 Comment
  RSA724710  Arctostaphylos glauca K. Dobry 1992-2-16 d- 1043 Los Angeles West Santa Monica Mts. 5 mil No of Pacific Coast Hwy. along E. Arroyo Sequit at Camp Shalom Comment
  RSA230659  Arctostaphylos parryana R. F. Thorne 1969-7-9 38476 Los Angeles Angeles National Forest: Table Mt. above Big Pines Ranger Station. 2119 Comment
  UC1745910  Arctostaphylos parryana Annetta M. Carter, Arthur Carter 1935-9-12 974 Los Angeles Chilao (Chellea). San Gabriel Mtns. 1630 Comment
  RSA634779  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20337 Los Angeles Road to Mt. Gleason, 5.3 km west of Mill Creek Summit, San Gabriel Mtns. 1670 Comment
  RSA634791  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20555 Los Angeles 2 km NW of Chilao Cpgrd., San Gabriel Mtns. 1670 Comment
  RSA634847  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20540 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA635058  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20363 Los Angeles Road to Mt. Gleason, 13.7 km west of Mill Creek Summit, San Gabriel Mtns. 1805 Comment
  RSA635062  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20561 Los Angeles Road to Sulphur Springs Cpgrd., 4 km N of Angeles Crest Hwy, N of Chilao Cpgrd. San Gabriel Mtns. 1840 Comment
  SBBG113075  Aristida adscensionis S. A. Junak with M. L. Hoefs, K. Kirkland, J. Takara 1998-5-1 SCa 606 Los Angeles just S of Whitley's Pk, just E of spine, overlooking Swain's (Swain) Cyn 365 Comment
  LA30498  Artemisia californica Jane Turner; Ted Mosquin 1958-11-16 647 Los Angeles Santa Monica Mountains, Mulholland Road, 6.2 mi W of Fire Station Comment
  SEINET10854091  Artemisia californica David B. Dunn 1948-1-8 Dunn 3607 Los Angeles So. facing side of ravine west of the buildings of Calif. Poly. Campus 3 1/2 mi. SW of San Dimas. Comment
  RSA0035897  Artemisia douglasiana R. G. Swinney 2009-11-9 11583 Los Angeles confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  LA31678  Artemisia douglasiana Peter H. Raven; Henry J. Thompson 1958-10-11 13745 Los Angeles Santa Monica Mountains, Tuna Canyon, at Pacific Coast Hwy 152 Comment
  RSA777  Artemisia dracunculus J. T. Howell 1928-6-29 994 Los Angeles Near Santa Monica 76 Comment
  RSA139167  Artemisia nesiotica Reid V. Moran 1958-9-15 6833 Los Angeles San Clemente Island: canyon 1.8 miles SE of Eel Point. 100 Comment
  RSA93757  Artemisia spinescens F. W. Peirson 1927-5-7 7262 Los Angeles 3 miles east of Lancaster. Comment
  RSA417398  Artemisia tridentata A. Menke 1953-10-31 s.n. Los Angeles Hidden Lake, Pine Canyon Comment
  RSA417400  Artemisia tridentata subsp. tridentata L. E. Hoffman 1934-7-24 s.n Los Angeles Holcomb Creek, Angeles National Forest, San Gabriel Mts. Comment
  RSA0040204  Artemisia tridentata subsp. tridentata Orlando Mistretta 1992-5-16 7 Los Angeles Vicinity of Big Pines; head of Swarthout Valley; Mountain High Ski area Comment
  SD69365  Arthrocnemum subterminale Robert F. Thorne, P. Everett 1965-5-11 34569 Los Angeles Santa Catalina Island, base of rocky bluff behind north beach at Little Harbor. Comment
  SD75648  Arthrocnemum subterminale M. B. Dunkle 1940-8-21 7652 Los Angeles Middle of San Clemente Island. Comment
  RSA0104730  Asclepias eriocarpa Scott D. White, Pam De Vries 2004-5-18 10402 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
  SD113027  Asclepias eriocarpa Darley F. Howe 1915-6-3 74 Los Angeles Claremont. Comment
  UCR271148  Asclepias eriocarpa R. G. Swinney 2011-7-8 15483 Los Angeles San Gabriel Mountains, 'Strawberry Potrero', uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  LA50695  Asclepias fascicularis Carl Epling; Nesta Hutchinson 1931-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  LA50696  Asclepias fascicularis W. O. Griesel; 1936-6-16 sn Los Angeles SANTA MONICA MOUNTAINS, Latigo Canyon Rd. near Mulholland. Comment
  CATA3474  Asparagus asparagoides Michael Thomas, Benjamin Dion, Nathalie Cartan 2017-9-18 001 Los Angeles Santa Catalina Island: Interior; under cedar tree downslope (west) of the Fox Hospital in Quail Valley 168 Comment
  CAS-BOT-BC478974  Asphodelus fistulosus Steven A. Junak 1996-5-17 SCI- 481 Los Angeles NE end of San Clemente Island, E of airfield runways, at edge of Terrace E of intersection of Perimeter Road and road to Dolphin Bay, just S of Camera Pad Naddo, near UTM 11 57 Comment
  UC42404  Aspidotis californica O. D. Allen 1884-9-29 8 Los Angeles at base of San Gabriel Mts Little Santa Anita Canyon; San Gabriel Mts Comment
  UCR110589  Aster greatae L. C. Wheeler 1975-9-22 s.n. Los Angeles San Gabriel Mtns., Graveyard Canyon Comment
  SD64119  Astragalus W. Bertsch 1953-4-17 48 Los Angeles Claremont Comment
  UC1929527  Astragalus bicristatus Valerie Soza, Naomi Fraga 2003-6-13 1670 Los Angeles Transverse Ranges; San Gabriel Mountains region; Blue Ridge just west of Guffy Camp, on ridgetop and slopes above FS Road 3N06; Mount San Antonio quad.; T3N R7W S18, SW/4; UTM 3800050N, 0439579E; elev. 8300 ft 2530 Comment
  CAS-BOT-BC177827  Astragalus curtipes Marcus E. Jones 1903-5-15 s.n. Los Angeles Catalina Island 30 Comment
  UC126829  Astragalus didymocarpus E. Braunton Mar 1903 Los Angeles Echo Park Los Angeles, Echo Park Comment
  OBI70598  Astragalus didymocarpus var. didymocarpus Steve Boyd, Lauren Raz 1997-3-31 9443 Los Angeles Liebre Mts Region: Knapp Ranch area at upper end of Castaic Crk drainage in broad alluvial valley at head of Cienaga Cyn, S of Liebre mtn, T7N R17W NE 1/4 NE 1/4 sec 22 1158 Comment
  SD111575  Astragalus douglasii Wayne P. Armstrong 1982-7-17 Los Angeles Along road to Table Mountain, northwest of Big Pines, near summit. 2255 Comment
  RSA131259  Astragalus douglasii var. douglasii Percy C. Everett, E. K. Balls 1959-5-22 23809 Los Angeles Holiday Hill, Big Pine, Hwy 2. Comment
  RSA114362  Astragalus lentiginosus var. variabilis Percy C. Everett 1956-5-9 21564 Los Angeles Mojave Desert, 6 miles S of Lancaster along Highway 6. 762 Comment
  RSA235251  Astragalus miguelensis E. R. Blakley 1962-6-9 5192 Los Angeles San Clemente Island, China Point 3 Comment
  RSA341424  Astragalus miguelensis F. C. Boutin 1967-5-23 1625 Los Angeles San Clemente Island: N end of island at West Cove Comment
  CAS-BOT-BC194069  Astragalus trichopodus var. lonchus Le Roy Abrams 1901-4-1 1187 Los Angeles Ballona Harbor Comment
  SD37520  Astragalus trichopodus var. lonchus Edith A. Purer 1935-5-11 6548 Los Angeles Malibou Road, Santa Monica Mts. Comment
  UC57475  Astragalus trichopodus var. lonchus J. H. Barber 1898-8-5 Los Angeles Malibu Comment
  CAS-BOT-BC194041  Astragalus trichopodus var. lonchus Peter H. Raven 1962-5-20 17782 Los Angeles Airport Road on main ridge about 0.5 miles west of Middle Ranch turn-off, Santa Catalina Island Comment
  UCR117550  Astragalus trichopodus var. phoxus A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23279 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 915 Comment
  SEINET898929  Athyrium filix-femina var. californicum Albert E. Grable 1970-1 2774 Los Angeles Topango Canyon Rd. 3.4 miles north of Pacific Coast Hwy. 183 Comment
  RSA611646  Athysanus pusillus Steve Boyd, Valerie Soza, Mike Kinney, J. Mark Porter 1998-3-24 10126 Los Angeles Liebre Mountains region: North base of Portal Ridge, north of the San Andreas Rift Zone at the edge of the Antelope Valley, upper mouth of Cow Spring Canyon along the Pacific Crest Trail 1054 Comment
  RSA526623  Atriplex californica Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4213 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  RSA535323  Atriplex californica T. S. Ross 1991-5-20 5352 Los Angeles San Clemente Island: north third; middle N fork of un-named drainage that empties to sea just N of Jack Point lighthouse. 152 Comment
  CAS-BOT-BC172640  Atriplex coulteri George B. Grant; Walter Wheeler 1904-4-21 2313 Los Angeles On Santa Catalina Island, at Isthmus, Pacific Ocean, off southern California, Comment
  LA200971  Atriplex coulteri Carl Wishner; 1998-11-30 3176 1 Los Angeles 75.0 Comment
  UCR125401  Atriplex heterosperma A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25474 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals 335 Comment
  RSA478283  Atriplex lentiformis subsp. breweri Anstruther Davidson 3289 Los Angeles E. Los Angeles. Comment
  POM279020  Atriplex nummularia Grant D. Brown 1945-11-24 445 Los Angeles Playa del Rey. 30 Comment
  RSA478342  Atriplex pacifica F. R. Fosberg 1931-4-22 S 4684 Los Angeles Eagle s Nest, Middle Ranch Canyon, Santa Catalina Island. 200 Comment
  NY1043447  Atriplex parishii S. B. Parish 10 1881 1119 Los Angeles Costa Station Comment
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Sep 7 2010
  UCR95550  Atriplex polycarpa Steve Boyd, Lauren Raz 1996-10-8 9022 Los Angeles Liebre Mountains, Bouquet Canyon, south of Vazquez Canyon and NW of Cruzan Mesa, along Vazquez Canyon Road, c. 0.9 mi east of jct with Bouquet Canyon Road 524 Comment
  UCR124032  Atriplex serenana var. serenana A. C. Sanders, Mark A. Elvin 2002-8-28 25598 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusement park 360 Comment
  CATA1745  Atriplex suberecta Mark L. Hoefs, Steven A. Junak, Ralph Philbrick 2001-5-18 3173 Los Angeles Santa Catalina Island: Near road between Cottonwood Canyon and Black Jack Campground 225 Comment
  UCR247547  Atriplex suberecta Dan S. Cooper 2013-7-29 713- 32 Los Angeles South Coast, Torrance; vacant lot just SW if Crenshaw Blvd. and East 208th St. intersection 23 Comment
  UCR273905  Atriplex suberecta Steven A. Junak 1999-7-16 SCa- 1041 Los Angeles California Islands, Santa Catalina Island. Deer Valley Reservoir, east of Two Harbors 165 Comment
  SD69366  Atriplex watsonii Robert F. Thorne, P. Everett 1965-5-11 34546 Los Angeles Santa Catalina Island, north of Catalina Harbor Comment
  RSA213403  Atriplex watsonii M. B. Dunkle 1939-4-4 7264 Los Angeles San Clemente Island: China Point, Pyramid Cove Comment
  RSA251522  Atriplex watsonii R. F. Thorne 1973-4-12 42896 Los Angeles San Clemente Island: China Point at end of road. 15 Comment
  POM21187  Avena barbata P. A. Munz 1923-4-8 6614 Los Angeles San Clemente Island, Wilson's [Wilson] Cove Comment
  RSA347553  Avena barbata B. A. Prigge 1986-3-20 8971 Los Angeles 0.4 miles east of Gorman on Lancaster Road 1128 Comment
  RSA450803  Avena barbata A. C. Sanders 1987-12-4 7575 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  SDSU758  Avena barbata Gerald Colier 1951-5-10 Los Angeles Vacant lot near 11621 Mayfield Ave, L.A. 49 Comment
  UCSB6784  Avena barbata Haller, John 1950-5-9 Los Angeles University of California Botanical Garden Comment
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Nov 24 2014
  UC572679  Avena fatua Nell Murbarger March, 1936 89 Los Angeles San Clemente Island Comment
  IRVC26474  Avena fatua A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26142 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
  SEINET5336154  Avena fatua W. B. Charles 1950-4-10 12 Los Angeles collected at 2880 Benedict Canyon Drive, Beverly Hills 244 Comment
  RSA0034489  Azolla filiculoides Philip R. Brown 1971-1-8 s.n. Los Angeles Canon de Lana, L.A. Pierce College. 279 Comment
  RSA599023  Baccharis emoryi L. C. Wheeler 1967-11-9 s.n. Los Angeles Eaton Wash. Comment
  RSA716468  Baccharis emoryi Scott D. White, Andrea Warniment 2006-7-6 11604 Los Angeles SE Tehachapi Mtns: Gorman area, sag ponds and adj. slopes just N of Gorman Post Rd. 1113 Comment
  CAS-BOT-BC482463  Baccharis salicifolia R. G. Swinney 2010-4-30 12463 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, 0.67 mi E of Wilson Cyn. Debris Basin on S side of the ridge S of the southern of the two eastern forks of Wilson Cyn 616 Comment
  POM37520  Baccharis salicifolia Marcus E. Jones 1882-2-25 s.n. Los Angeles Pasadena. Comment
  UCR139004  Baccharis salicifolia L. C. Wheeler 1961-6-13 7876 Los Angeles San Gabriel Mtns., Pacoima Canyon near Dutch Louie Camp 716 Comment
  UCR220179  Baccharis salicifolia R. G. Swinney, Jane Strong 2009-4-7 10308 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Antonio Canyon, 2.4 miles north of Shinn Rd. 1073 Comment
  UC55078  Baccharis salicina Miss E. D. Palmer Los Angeles Los Angeles Comment
  UC71918  Baccharis salicina W. A. Setchell 1896-12-1 Los Angeles Los Angeles Comment
  SD234282  Bahiopsis laciniata R. G. Swinney 1998-5-4 6045 Los Angeles San Gabriel Valley: Irwindale - Azusa boundary, old gravel pit immediately north of 210 Fwy. 167 Comment
  CAS-BOT-BC75765  Berberis nevinii Carol Canby 1928-2-27 s.n. Los Angeles San Fernando Valley. Comment
  UCR127383  Berula erecta A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25524 Los Angeles Santa Clara River Valley, Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  CAS-BOT-BC101990  Bidens pilosa LeRoy Abrams 1902-5-31 2484 Los Angeles Inglewood Comment
  RSA0092549  Bituminaria bituminosa Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14356 Los Angeles San Gabriel Mountains: Little Santa Anita Cyn., base of Mt. Wilson Trail, above Mira Monte Ave., to 0.15 miles NE above the trailhead. 268 Comment
  UC402650  Boechera arcuata unknown 1904-4-4 53 a5633 Los Angeles Garvanza Comment
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Jan 11 2015
  RSA660092  Boechera californica Orlando Mistretta 1992-6-12 542 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  JEPS53127  Boechera platysperma Frank W. Peirson 1918-7-7 58 Los Angeles Ontario Ridge San Gabriel Mts. 2438 Comment
  UCD114427  Boechera pulchra Steve Mason; Helen M. Mason 1993-5-9 36 Los Angeles Mt. Pines area, Lockwood Valley Rd., 3.7 mi. from Mnt. Pios Hwy, on the right side of the road. 1645 Comment
  UCR271613  Boechera sparsiflora R. G. Swinney 2011-5-31 14917 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
  RSA465630  Boisduvalia glabella H. E. Hasse 1892-06 s.n. Los Angeles Santa Monica. Comment
  RSA591659  Bothriochloa barbinodis L. C. Wheeler 1931-9-11 138 Los Angeles 2 miles NE La Verne. 381 Comment
  CAS-BOT-BC95434  Bowlesia incana John Thomas Howell 1928-3-20 3458 Los Angeles Griffith Park in Los Angeles Comment
  RSA251471  Bowlesia incana R. F. Thorne 1973-4-11 42839 Los Angeles San Clemente Island, wet bottom of Norton Canyon. 274 Comment
  RSA451999  Bowlesia incana L. C. Wheeler 1933-4-15 1637 Los Angeles San Gabriel Mountains: Foothills; W Live Oak Canyon. 488 Comment
  SBBG108983  Bowlesia incana S. A. Junak 1997-3-7 SCl 739 Los Angeles just E of Camera Pad Horton 3, W side of Twin Dams Cyn 426 Comment
  RSA481882  Boykinia rotundifolia Richard Noyes 1988-9-18 740 Los Angeles San Antonio Canyon. Rocky wash behind San Antonio Dam. 701 Comment
  POM306648  Boykinia rotundifolia H. J. Ramsey, Henry J. Ramsey 1937-9-2 1507 Los Angeles Johnny Glen, Angeles Crest Highway. Comment
  UC816084  Brachypodium distachyon F. R. Fosberg 1931-5-22 S 4964 Los Angeles Santa Catalina Island, Isthmus Harbor Isthmus Harbor; Santa Catalina Island, Isthmus Harbor 3 Comment
  RSA0087233  Brassica geniculata R. G. Swinney 2010-4-23 12336 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  UCR107755  Brassica geniculata Matilda Low 1997-3-13 13 Los Angeles Claremont, Bernard Biological Field Station (Claremont Colleges) NW corner of Mills Ave. and Foothill Blvd. 412 Comment
  UCR252730  Brassica geniculata R. G. Swinney 2010-5-29 13416 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  JEPS30517  Brickellia nevinii Peter H. Raven and Henry J. Thompson 1959-10-18 14684 Los Angeles 1 mi n of Mulholland Highway (Yerba Buena Road, Santa Monica Mountains); Santa Monica Mountains, Yerba Buena Road 518 Comment
  RSA507984  Brickellia nevinii Steve Boyd, Timothy S. Ross 1988-4-28 2237 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  LA201531  Brodiaea terrestris subsp. kernensis Arthur C. Gibson; 2001-4-11 4897 Los Angeles Santa Monica Mountains, near the village of Topanga Comment
  CAS-BOT-BC149409  Bromus berteroanus Ernest C. Twisselmann 1962-4-10 6850 Los Angeles Mojave Desert. Antelope Valley. Avenue A 2.8 miles west of Highway 6. 670 Comment
  SEINET887800  Bromus breviaristatus Timothy S. Ross, Steve Boyd 1990-1 2747 Los Angeles Ridge descending northward from MT. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon; Rancho Santa Ana Botanic Garden Comment
  RSA385308  Bromus carinatus var. carinatus Samuel R. Tyson 1942-5-28 s.n. Los Angeles San Dimas Canyon 1463 Comment
  SEINET943625  Bromus carinatus var. carinatus Tim Ross, Walter Appleby 1993-1 7173 Los Angeles Wester San Gabriel Mountains, long SSE-trending ridge S. of Wilson Canyon Saddle, San Fernando 7.5 (Quad); Rancho Santa Ana Botanic Garden 954 Comment
  UC167146  Bromus carinatus var. carinatus Geo. B. Grant Jun 15 1906-Jun 18 1906 Los Angeles San Gabriel Mountains, Summit of Mount Wilson Mount Wilson; San Gabriel Mountains, Mount Wilson 1828 Comment
  CHSC35204  Bromus catharticus James Henrickson 1979-5-18 18119 Los Angeles Ca 2 miles SE of Newhall, N of San Fernando Road, ca 1 mile NW of Hwy 14; S of creek in pastured area. 402 Comment
  UCD58389  Bromus catharticus John Thomas Howell 1956-3-21 31126 Los Angeles Ridge Route west of Newhall. Comment
  RSA3481  Bromus diandrus C. B. Wolf 1932-5-9 3424 Los Angeles Santa Catalina Island; Avalon. 8 Comment
  SBBG128328  Bromus diandrus M. L. Hoefs 1991-4-8 1079 Los Angeles side cyn (Rattlesnake Cyn) of upper Avalon Cyn 146 Comment
  CAS-BOT-BC155525  Bromus hallii Victor Durant 1933-7-20 3521 Los Angeles San Gabriel Mountains. Buckhorn. 1981 Comment
  RSA591059  Bromus hordeaceus J. M. Porter, J. Travis Columbus, Gracie dos Santos 1996-6-5 10928 Los Angeles Ca. 2 mi N Solemint, just off Arline Rd., 2.0 mi from intersection with Sierra Hwy. Around a vernal pool on shelf above Plum Canyon and Arline Rd. Pool not evident from road 610 Comment
  UC816183  Bromus hordeaceus F. R. Fosberg 1931-4-4 S 4493 Los Angeles Santa Catalina Island, Cherry Canyon Cherry Canyon; Santa Catalina Island, Cherry Canyon 60 Comment
  UCR147606  Bromus laevipes Naomi Fraga, Paul Morton 2004-5-18 1183 Los Angeles Transverse Ranges; San Gabriel Mountains region, On ridgeline of Mount Hillyer, near summit 1860 Comment
  RSA623787  Bromus madritensis subsp. madritensis Jack Hudson 1950-03 s.n. Los Angeles San Rafael Hills-between Glenoaks and Hill Dr. Comment
  CATA1124  Bromus madritensis subsp. rubens Mark L. Hoefs 1995-5-23 2091 Los Angeles Santa Catalina Island: Middle Canyon, near Eagles Nest Lodge 124 Comment
  SBBG128257  Bromus madritensis subsp. rubens M. L. Hoefs, S. A. Junak, K. Kirkland 1999-5-20 3041 Los Angeles near rd between Black Jack Cmpgrd and Airport Rd (by mine shaft) 487 Comment
  RSA774258  Bromus rubens R. G. Swinney 2009-4-28 10545 Los Angeles summit of Mt. Emma 1585 Comment
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Mar 28 2014
  UCD59528  Bromus rubens Jack Delaini; Barbara Shervanick 1974-3-22 76 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. 792 Comment
  POM296807  Bromus stamineus Lyman Benson 1947-4-30 12348 Los Angeles Indian Hill, Claremont. 427 Comment
  RSA625156  Bromus sterilis L. C. Wheeler 1973-5-12 s.n. Los Angeles San Gabriel Mountains: Gould Mesa Picnic Ground. 427 Comment
  RSA714525  Bromus sterilis A. C. Sanders 2005-5-11 30157 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Boquet Cyns. 610 Comment
  LA82411  Calandrinia ciliata O. H. Kappler; 1941-2-9 81 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA598870  Calandrinia ciliata Steve Boyd, Timothy S. Ross 1997-3-21 9247 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
  RSA717414  Calandrinia ciliata Gary Kovnat, LeRoy Gross 2003-1-19 2 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace mid meadow. Comment
  SEINET3163807  Calandrinia menziesii G. B. Grant 128 Los Angeles Pasadena Comment
  SD69024  Callitriche marginata Robert F. Thorne, D. Propst 1968-5-29 37697 Los Angeles Santa Catalina Island, margin of south end of Hay Press Reservoir. 405 Comment
  RSA674644  Calochortus albus Scott D. White, Pam DeVries 2000-5-18 7899 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-BC132289  Calochortus catalinae John I. Carlson 1918-4-24 s.n. Los Angeles Hollywood Comment
  LA22333  Calochortus catalinae Carl Epling; Lincoln Ellison 1930-3-28 sn Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon Comment
  POM254455  Calochortus catalinae Bonnie C. Templeton 1939-4-19 4587 Los Angeles Huntington Palisades, Santa Monica Mountains Comment
  CAS-BOT-BC132335  Calochortus clavatus Sandra Leatherman; Scott White 1998-5-15 9 Los Angeles Western Liebre Mountains. West of Castaic Lake and east of Interstate 5 650 Comment
  RSA549489  Calochortus invenustus Timothy S. Ross, Steve Boyd 1990-6-18 3476 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  UCR191519  Calochortus invenustus R. G. Swinney 1998-7-8 6317 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  UCR190746  Calochortus palmeri var. palmeri R. G. Swinney 2001-6-2 7955 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 1213 Comment
  POM1696  Calochortus splendens Otis Hiatt 1916-6-3 s.n. Los Angeles Topanga Canyon. Santa Monica Mountains. Comment
  UCR281639  Calochortus splendens R. G. Swinney 2014-5-8 16473 Los Angeles San Gabriel Mountains, near Lang, 50-100 meters SW of Soledad Cyn. Rd. at a curve, Santa Clara Wash and Bee Cyn. confluence 537 Comment
  CAS-BOT-BC493411  Calochortus splendens Williams; Street; Munz 1919-5-3 2625 Los Angeles Santa Ana River Canon Comment
  RSA778573  Calochortus weedii var. intermedius David E. Bramlet, A. Rudalevige 2010-6-21 4722 Los Angeles Chino-Puente Hills region: Brea Canyon, adjacent to T line towers 396 m W of Brea Canyon Road and 396 m W of Brea Ridge Mtr. Way 255 Comment
  UCR209473  Calyptridium R. G. Swinney 2008-7-3 9150 Los Angeles San Gabriel Mtns., Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2345 Comment
  SEINET7072903  Calyptridium monandrum A. G. Vestal 1963-5-22 s.n. Los Angeles San Gabriel Range Mountains southeast of Bobs Gap on Big Pines Road. Coordinate datum: WGS84/NAD83. (34? deg. 24' 59" North Latitude, -117? deg. 68' 56" West Longitude; UTM Zone 11, 428121mE, 3808400mN, Coordinate datum: NAD27.). Comment
  UCR280894  Calyptridium monandrum R. G. Swinney 2014-5-7 16411 Los Angeles San Gabriel Mountains, near town of Ravenna, 0.3 miles east of Stonecross, c. 0.7 miles south of Soledad Cyn. Road, c. 0.5 mile east of Mill Cyn., unnamed N-S oriented cyn. between Bootleggers Cyn. and Mill Cyn. 793 Comment
  UCR190367  Calyptridium monospermum R. G. Swinney, Cody Clarke 2001-6-20 7997 Los Angeles San Gabriel Mtns., summit of Mt. Lewis, NW of Dawson Saddle 2560 Comment
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Feb 6 2013
  POM50662  Calystegia longipes A. D. E. Elmer 1902-07 3603 Los Angeles Acton, Mt. Gleason. San Gabriel Mountains Comment
  UCR259082  Calystegia macrostegia R. G. Swinney 2010-10-15 14053 Los Angeles San Gabriel Mountains, from Little Tujunga Wash at the I-210 Fwy, to the east end of Hansen Lake 329 Comment
  RSA71107  Calystegia macrostegia subsp. amplissima F. W. Peirson 1923-4-9 3483 Los Angeles San Clemente Island: 2 miles SE of Wilson's Cove Comment
  RSA0016984  Calystegia macrostegia subsp. intermedia James M. Clisbe 1930-5-6 16064 Los Angeles Nichols Canyon, Santa Monica Mts. Comment
  RSA230208  Calystegia occidentalis subsp. fulcrata R. F. Thorne 1969-7-2 38270 Los Angeles Angeles National Forest: Upper Chilao Campground 1616 Comment
  CHSC33241  Calystegia peirsonii Robert A. Schlising 1972-6-6 3046 Los Angeles West of Palmdale, 5.5 mi W of jct Bouquet Canyon Road and Hwy N2, along the latter. Comment
  RSA720436  Camissonia bistorta Naomi S. Fraga, Anh Nguyen 2006-6-5 1691 Los Angeles Along Knapp Ranch Road near Knapp ranch. 1098 Comment
  RSA760560  Camissonia bistorta R. G. Swinney 2009-3-6 10054 Los Angeles 1.2 miles north of Foothill Blvd. on east side of Encanto Parkway, confluence of Van Tassel and San Gabriel canyons at west bank of San Gabriel River channel, Azusa/Duarte boundary 201 Comment
  UCR149791  Camissonia bistorta Scott D. White, Pam Devries 2004-5-18 10440 Los Angeles Western Transverse Ranges, Eastern Santa Susana Mtns. West of the I-5 Fwy, c. 4 mi N of the I-5 / SH-14 jtn. and 6 mi south of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges 518 Comment
  UCR230248  Camissonia bistorta Dan S. Cooper 2011-4-18 411- 12 A Los Angeles San Gabriel Valley/San Gabriel Mtns. Foothills, Padua Park, off Padua Ave. near Claremont 559 Comment
  RSA465669  Camissonia bistorta Ralph Hoffmann 1930-6-7 s.n. Los Angeles Elizabeth Lake Canyon. Comment
  RSA465984  Camissonia boothii subsp. decorticans Anstruther Davidson 1906-6-6 1605 Los Angeles Big Rock Creek. Comment
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Jan 6 2007
  RSA590822  Camissonia boothii subsp. decorticans Orlando Mistretta 1992-5-8 292 Los Angeles San Gabriel Mountains. Little Rock Creek. slopes E. of Little Rock Creek Reservoir. 1067 Comment
  RSA0073591  Camissonia campestris Orlando Mistretta, Christine Mistretta 2005-4-21 2063 Los Angeles Transverse Ranges; San Gabriel Mountains region: Big Pines Highway, 2.85 SE of Valyermo Ranger Station. 1341 Comment
  RSA0119514  Camissonia campestris R. G. Swinney 2014-4-23 16171 Los Angeles San Gabriel Mountains/Mojave Desert: East of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E.), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains. 1232 Comment
  UCR222853  Camissonia campestris R. G. Swinney 2009-4-29 10574 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
  RSA454716  Camissonia campestris subsp. campestris H. Wells 1968-3-30 13 Los Angeles Mojave Desert, 3.1 miles N of junction of Palmdale Blvd and State Highway 14, on Highway 14, West 1.4 miles junction of State Highway 14 and side road, on side road. Comment
  RSA756202  Camissonia campestris subsp. campestris Barbara Ertter, L. R. Heckard, T. Sholars, J. Hickman 1988-5-23 7478 Los Angeles Pine Canyon Rd along San Andreas fault on N side of San Gabriel Mts (Co Rd N2) Comment
  RSA454039  Camissonia cheiranthifolia subsp. suffruticosa T. S. Clare 1929-2-15 s.n. Los Angeles El Segundo. Comment
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Feb 25 2017
  RSA593458  Camissonia graciliflora Steve Boyd 1996-4-24 8637 Los Angeles Liebre Mountains, northwestern base of the range at the extreme southeastern end of Peace Valley along Angeles National Forest Road 8N01 6.7 road miles from jtn with 8N05 and ca 1.0 road mile from West Branch California Aqueduct. 1098 Comment
  UCR184105  Camissonia graciliflora A. C. Sanders, T. B. Salvato 2007-4-24 33485 Los Angeles Tehachapi Mountains, hills above head of Oso Canyon near Kern Co. line, along dirt gasline road (track), c. 1.25 mi. SW of National Cement Plant 1220 Comment
  UCR86842  Camissonia hirtella Scott D. White 1995-4-27 2955 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
  POM3232  Camissonia intermedia D. L. Crawford, Hiatt 1916-3-29 s.n. Los Angeles Topanga Canyon, Santa Monica Mountains Comment
  POM49677  Camissonia lewisii L. R. Abrams 1901-4-1 1192 Los Angeles Ballona Harbor. Comment
  RSA791758  Camissonia micrantha J. George 2011-7-19 s.n. Los Angeles South Coast: Palos Verdes Estates, east of end of Via Tejon at Malaga Dune. 62 Comment
  SEINET6190649 Image available Camissonia pallida Michael Honer, Crissy Slaughter, Julie Love 2009-1 3297 Los Angeles Mojave Desert; West Mojave Desert region: Antelope valley; Along 170th Street West, appx. 1.5 mi. N of Highway 138. 805 Comment
  SEINET13297610 Image available Camissonia strigulosa R. G. Swinney 2011-1 15288 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station (Chilao Flat 7.5' Q.) (T3N R11W S22) 1570 Comment
  SDSU8631  Camissoniopsis guadalupensis subsp. clementina R. M. Beauchamp 1967-6-2 544 Los Angeles On extreme southern limit of sand dunes south of Flasher Station on west side of Island, San Clemente Island. Comment
  RSA66295  Canbya candida F. W. Peirson 1926-4-26 6660 Los Angeles about 6 miles west of Rock Creek, Comment
  RSA658633  Capsella bursa-pastoris R. W. Hufstader 1971-3-22 36 Los Angeles Collected at Puddingstone Resevoir. Off San Dimas Rd. at entrance to resevoir. 213 Comment
  CAS-BOT-BC37903  Cardamine oligosperma Louis C. Wheeler 1934-3-23 2464 Los Angeles San Dimas Canyon. San Gabriel Mountains. 426 Comment
  UCR61566  Carduus pycnocephalus R. G. Swinney 1989-5-12 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park 489 Comment
  SBBG131634  Carduus pycnocephalus S. A. Junak 1999-5-20 SCa 958 Los Angeles Cottonwood -Black Jack Rd 341 Comment
  RSA0060819  Carex alma LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6967 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
  RSA594654  Carex alma L. C. Wheeler 1967-7-30 10266 Los Angeles San Gabriel Mountains. All Trail Canyon, BM 3434 near Tom Lucas campground 1006 Comment
  RSA748465  Carex alma R. G. Swinney 2001-8-27 8089 Los Angeles 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2463 Comment
  SEINET3897004  Carex alma Scott D. White, Brian Leatherman 1997-1-21 6060 Los Angeles Santa Clara River Watershed: Pole Canyon, above existing quarry (site proposed for expanded mining operations). USGS Agua Dulce quad.; 0 640 Comment
  UCR168038  Carex alma A. C. Sanders, Mark A. Elvin 2002-6-19 25147 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  UCR190057  Carex alma R. G. Swinney 1998-10-3 7003 Los Angeles San Gabriel Mtns, upper Fish Fork San Gabriel River, c. 1/2 mile east (upstream) from Upper Fish Fork Campground, above 2nd waterfall in tributary from N side of San Antonio Ridge 1991 Comment
  UCR205093  Carex alma R. G. Swinney 2008-4-11 8649 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  CAS-BOT-BC21306  Carex fracta John Thomas Howell 1947-7-18 23424 Los Angeles San Gabriel Mountains. Big Pines. 2103 Comment
  HSC24441  Carex lanuginosa R. F. Thorne 1969-7-2 38345 Los Angeles San Gabriel Mtns., Angeles National Forest, at Big Pines 2088 Comment
  CAS-BOT-BC118971  Carex pellita Ivan Murray Johnston 1917-5-13 s.n. Los Angeles El Monte, ditch along RR. 114 Comment
  CAS-BOT-BC118406  Carex praegracilis H. E. Hasse 1893-5-21 s.n. Los Angeles Wet ground near Acton Comment
  CAS-BOT-BC117941  Carex schottii George Bernard Grant 1904-4-1 137 Los Angeles Pasadena. Comment
  JEPS48989  Carex schottii Joseph Andorfer Ewan 1932-6-16 72814 Los Angeles Carex meadow about one mile below Clearlton Flats, Pine Mountain Region, Lower Traus Zone 1524 Comment
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Sep 30 2014
  CAS-BOT-BC117319  Carex spissa Samuel B. Parish 1901-4-1 3747 Los Angeles Santa Monica Range. Comment
  UCSB25238  Carex triquetra Fosberg, F. 1931-4-16 Los Angeles Eagles Nest, Middle Ranch Canyon; Santa Catalina Island Comment
  RSA161236  Castilleja affinis Peter H. Raven 1962-5-22 17821 Los Angeles Santa Catalina Island, above Emerald Bay. 122 Comment
  UCSB45210  Castilleja affinis subsp. affinis Batson, J. 1979-3-10 Los Angeles End of Trancas Canyon Road near Malibu, CA 91 Comment
  RSA133388  Castilleja applegatei subsp. martinii Peter H. Raven 1959-5-3 14084 Los Angeles Santa Monica Mountains: Franklin Canyon 0.1 mile south of Mulholland Drive. 351 Comment
  RSA427271  Castilleja applegatei subsp. martinii Louis C. Wheeler 1932-5-1 675 Los Angeles 3 miles NNE of Claremont. 518 Comment
  RSA448675  Castilleja applegatei subsp. martinii Francis W. Pennell 1940-6-24 25996 Los Angeles Pine Mountain, S of Swartout [Swarthout]. 2439 Comment
  SBBG120075  Castilleja exserta A. C. Sanders 2005-5-5 29944 Los Angeles W edge of Cruzan Mesa, N of Bench Mark "Plum"; Santa Clarita area 671 Comment
  UCR259233  Castilleja exserta Mitch Provance, Callen Huff 2009-4-29 10697 Los Angeles Tehachapi Mountains, Tejon Ranch, south of Lebec, lower slopes above Interstate 5, about 0.7 miles east of Gorman; site PO1088/1090 1230 Comment
  JEPS88605  Castilleja exserta subsp. venusta L. R. Heckard 1985-5-4 6232 Los Angeles s of Rosamond Dry Lake (s side of Avenue E, 1 mi e of 10th Street East, ne of Lancaster); Mojave Desert 701 Comment
  IRVC27854  Castilleja foliolosa A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26111 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
  JEPS30530  Castilleja foliolosa Henry J. Thompson 1959-3-27 1880 Los Angeles 0.5 mi e Saddle Peak; Santa Monica Mountains 670 Comment
  JEPS86567  Castilleja foliolosa Roy E. Buck 1988-5-25 905 Los Angeles 0.3 rd mi n Three Points (e side of Three Points road, 0.6 air km ne of confluence of Oakdale Canyon and Pratt Canyon drainages, 26 air km n of Castaic) 1036 Comment
  OBI49249  Castilleja foliolosa Unknown 1882-2-25 2827 Los Angeles Pasadena Comment
  RSA400545  Castilleja foliolosa F. R. Fosberg 1931-4-7 S- 4500 Los Angeles Hamilton Beach, Santa Catalina Island. 10 Comment
  RSA400556  Castilleja foliolosa Bonnie C. Templeton, I. W. Clokey 1930-4-18 1059 Los Angeles San Francisquito Canyon, San Gabriel Mts. 274 Comment
  RSA729726  Castilleja miniata subsp. miniata R. G. Swinney 1999-6-18 7326 Los Angeles San Gabriel Mtns.: Boulder Canyon north of Big John Flat. 1573 Comment
  POM4449  Castilleja minor subsp. spiralis I. M. Johnston 1917-5-13 983 Los Angeles El Monte. 91 Comment
  RSA448777  Castilleja minor subsp. spiralis F. R. Fosberg, Joseph A. Ewan 1931-8-12 S- 5583 Los Angeles San Gabriel Mountains: Little Jimmy Spring, Windy Camp, N. slope Mt. Islip. 2300 Comment
  RSA593462  Castilleja minor subsp. spiralis Steve D. Boyd, Mike Wall 1996-5-16 8790 Los Angeles Liebre Mountains, Ruby Canyon upstream from confluence with Elizabeth Lake Canyon at northwest end of Red Mountain, along Ruby Canyon Road ca. 0.9 mi E of jtn with Lake Hughes Road. 622 Comment
  RSA448608  Castilleja subinclusa subsp. subinclusa T. H. Holmes 1932-4-3 s.n. Los Angeles Mint Canyon. Comment
  UCR252562  Caulanthus amplexicaulis R. G. Swinney 2010-6-21 13263 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
  SBBG72104  Caulanthus amplexicaulis var. amplexicaulis W. Sweet 1930-6-12 Los Angeles near N Baldy Pk Comment
  RSA670639  Caulanthus coulteri B. C. Templeton, I. W. Clokey 1930-4-8 1422 Los Angeles One mile north of Elizabeth Lake. Comment
  UC1292765  Caulanthus coulteri Freed W. Hoffman 1950-4-20 3407 Los Angeles Lancaster road (Hwy 138), 1.0 mi from Hwy 99 Comment
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Feb 23 2016
  POM369306  Caulanthus coulteri var. coulteri Ora M. Clark 1929-3-29 1821 Los Angeles East of Sandberg. Comment
  JEPS27002  Caulanthus heterophyllus Frank W. Peirson 1919-3-30 63 a Los Angeles Tujunga Canyon San Gabriel Mountains, Tujunga Canyon 426 Comment
  SBBG51624  Caulanthus lasiophyllus R. Gustafson, C. Davidson 1977-4-20 404 Los Angeles Escondido Cyn Rd ca. 1 mi NE of jct with Agua Dulce Cyn Rd 762 Comment
  NY431065  Caulanthus lasiophyllus var. lasiophyllus S. D. Boyd 1997-4-16 9505 Los Angeles Liebre Mountains Region: Lower Apple Canyon, due east of the confluence of Cañada de Los Alamos (Lower Hungry Valley) and Peace Valley and Interstate 5. 853.4 Comment
  RSA549602  Caulanthus lasiophyllus var. utahensis Timothy S. Ross 1992-4-4 6067 Los Angeles Three Sisters: SW Mojave Desert, 1 mile SE of Black Butte, middle butte of the three. 970 Comment
  SD84813  Ceanothus arboreus Reid Moran 1941-2-23 607 Los Angeles Ridge between Johnson's Valley & Howland's Valley, Santa Catalina Island 399 Comment
  CAS-BOT-BC48729  Ceanothus crassifolius Le Roy Abrams 1901-4-5 1364 Los Angeles San Fernando Mts, near Chatworth Park 304 Comment
  CAS-BOT-BC48871  Ceanothus cuneatus C. F. Baker 1904-3-18 4055 Los Angeles Claremont Comment
  LA32005  Ceanothus cuneatus Henry J. Thompson; 1959-2-23 1850 Los Angeles SANTA MONICA MOUNTAINS, Sierra Canyon, 1 mi above Seminole Hot Springs. 457 Comment
  RSA399015  Ceanothus cuneatus M. B. Dunkle 1936-4-9 4718 Los Angeles San Rafael Valley Comment
  CAS-BOT-BC50155  Ceanothus integerrimus Alice Eastwood 1919-6-20 9013 Los Angeles Mt. Wilson Comment
  CAS-BOT-BC50557  Ceanothus leucodermis George B. Grant; Walter Wheeler 1904-5-17 145 a Los Angeles Mt. Wilson 1828 Comment
  UC1070807  Ceanothus leucodermis W. T. Murphy 1928-2-28 Los Angeles e of Little Dalton Canyon; Pomona quad. 762 Comment
  LA32013  Ceanothus megacarpus Henry J. Thompson; 1959-3-22 1867 Los Angeles Santa Monica Mountains, Las Virgines Rd, 1 mi N of Tapia Park, N of Malibu Canyon Rd 213 Comment
  RSA11768  Ceanothus megacarpus E. Lloyd 1933-3-6 s.n. Los Angeles Stone Canon. Comment
  RSA292461  Ceanothus megacarpus var. insularis James Henrickson 1973-01 8120 Los Angeles Santa Catalina Island. 2 air miles WNW of Avalon. Comment
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Feb 9 2017
  UC18294  Ceanothus megacarpus var. insularis Blanche Trask Jan 1897 Los Angeles Santa Catalina Island, Avalon Comment
  LA32006  Ceanothus oliganthus Peter H. Raven; Henry J. Thompson 1959-4-3 13919 Los Angeles Santa Monica Mountains, Saddle Peak; about 0.7 mile NE of summit 807 Comment
  RSA602342  Ceanothus oliganthus var. oliganthus Scott D. White 1997-5-8 5089 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir. 365 Comment
  RSA653927  Ceanothus oliganthus var. oliganthus Valerie L. Soza, Wayne Law, Laura Moore 2000-6-27 1032 b Los Angeles San Gabriel Mountains: Firebreak above Upper Winter Creek Trail, ca. 2 miles northwest of Chantry Flat along FS Road 2N41.2, north of San Olene Canyon. 850 Comment
  UC18375  Ceanothus oliganthus var. oliganthus A. J. McClatchie 1893-4-1 19 Los Angeles Canyon near Pasadena Comment
  UCR206429  Ceanothus vestitus R. G. Swinney 2008-6-10 8977 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
  LA202288  Centaurea cyanus Arthur C. Gibson; 2005-6-25 5035 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy. opposite Seminole Drive. Comment
  CAS-BOT-BC272064  Centaurea melitensis T. Mosquin 1959-5-30 3303 Los Angeles Hills west of Avalon, Catalina Island Comment
  RSA482511  Centaurea melitensis Richard Noyes, L. Arnseth 1988-4-30 495 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Dry drainage bed 100 meters east of Thompson Creek Dam. 500 Comment
  RSA592202  Centaurea melitensis L. C. Wheeler 1967-4-23 9191 Los Angeles San Gabriel Mountains. Sunset Ridge. Comment
  UCR101214  Centaurea repens Steve Boyd, L. Raz 1997-6-18 9994 Los Angeles Liebre Mtns, Liebre Mountains, along Elizabeth Lake Rd in Leona Valley, south of Portal Ridge, 1.5 rd mi west of intersection with 90th St. W. 988 Comment
  UCR146420  Centaurea repens LeRoy Gross 2002-8-24 667 Los Angeles West Mojave Desert Region, At junction of Hwy. 14 & Ave. H, Northwest area of Lancaster. 701 Comment
  POM292917  Centaurium venustum Lyman Benson 1945-5-11 11689 Los Angeles Canyon below Johnson's Pasture, Claremont. 549 Comment
  UC481041  Centromadia pungens Katharine Brandegee Los Angeles Comment
  CAS-BOT-BC179823  Centrostegia thurberi F. W. Peirson 1919-5-10 28 Los Angeles Arraster Creek, San Gabriel Mts. 914 Comment
  RSA392723  Centrostegia thurberi Anstruther Davidson 1906-6-5 1493 Los Angeles San Gabriel Mountains. By Rock Creek. Comment
  CAS-BOT-BC179815  Centrostegia thurberi Alderson s.n. Los Angeles Antelope Valley Comment
  SEINET12161227  Ceratonia siliqua L. F. Allabach 1921-1 s.n. Los Angeles Pasadena Comment
  SEINET11907897  Cercocarpus betuloides D. P. Reagan 1974-1 11 Los Angeles just E of Sandberg along State Road N-2 Comment
  CDA991  Cercocarpus betuloides var. betuloides D. G. Kelch 1991-3-24 1334 Los Angeles Foothills of Santa Monica Mountains North of Hollywood. Comment
  RSA580306  Cercocarpus betuloides var. betuloides Tim S. Ross, Steve D. Boyd 1994-5-25 7925 Los Angeles Necktie Basin: hanging basin ca 470-830 meters W of Warm Springs Mountain summit. These collections from ca. 600-800 meters WSW of summit. 1061 Comment
  RSA449412  Cercocarpus betuloides var. blancheae M. B. Dunkle 1929-3-23 2076 Los Angeles Salta Verde Ridge, Santa Catalina Island. Comment
  POM11603  Cercocarpus ledifolius Philip A. Munz 1921-6-18 4562 Los Angeles San Antonio Mountains, Swartout Valley. 1829 Comment
  RSA330774  Cercocarpus ledifolius Wayne E. Sawyer 1981-7-7 s.n. Los Angeles San Gabriel Mountains., Angeles National Forest: Lily Spring 2454 Comment
  RSA747376  Cercocarpus ledifolius var. ledifolius R. G. Swinney 2008-6-10 8989 Los Angeles Devils Punchbowl Co. Park, peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1933 Comment
  SBBG128355  Cercocarpus traskiae B. E. Carter, J. Clark, A. Castellano 2012-8-2 6919 Los Angeles Wild Boar Gully 172 Comment
  RSA14715  Cestrum nocturnum Theodore Payne 1935-7-20 s.n. Los Angeles Los Angeles. Comment
  UC1922885  Chaenactis artemisiifolia Valerie Soza, Bill Hogshead 2003-4-23 1636 Los Angeles Transverse Ranges; Verdugo Mountains; Brand Park, Brand Canyon 457 Comment
  JEPS30569  Chaenactis fremontii Donald M. Kyhos 1957-4-26 57 -85 Los Angeles e of Pearblossom (at turn to Big Rock) Comment
  RSA670350  Chaenactis fremontii B. C. Templeton 1931-5-17 1207 Los Angeles Between Palmdale and Lancaster. Mojave Desert. Comment
  UCR89951  Chaenactis glabriuscula Scott D. White, C. McGaugh 1995-6-6 3219 Los Angeles Santa Susana Mtns., E edge of range, just west of San Gabriel Mtns. 'Sunshine Canyon' (name not shown on topo): Sunshine Canyon Landfill Property, west of San Fernando Road and Hwy I-5, just SW of interchange with State Route 14 (Fwy) 488 Comment
  RSA640252  Chaenactis glabriuscula R. F. Thorne, C. W. Tilforth 1971-4-9 41538 Los Angeles Angeles National Forest: below entrance to wooded area of San Dimas Canyon near San Dimas Creek 381 Comment
  CHSC83997  Chaenactis glabriuscula var. glabriuscula John Dittes 1990-6-20 135 Los Angeles Transverse Range; San Gabriel Mountains; approximately 16.7 air-miles north of Monrovia, approximately 1.3 air-mile northeast of Vetter Mountain and 0.75 air-mile southwest of Chilao Station, in canyon of East Fork Alder Creek. 1493 Comment
  UC718267  Chaenactis glabriuscula var. glabriuscula Carl B. Wolf 1935-5-23 Los Angeles 1/2 mi e of Gorman; Liebre Mts. 1158 Comment
  RSA182740  Chaenactis glabriuscula var. glabriuscula J. Massey 1966-4-22 1239 Los Angeles 1.5 miles NW of Hwy 19 on Escondido Canyon Road, 14 miles NNW of Palmdale 945 Comment
  RSA700422  Chaenactis santolinoides Gary D. Wallace 1985-7-5 2230 Los Angeles San Gabriel Mountains: Mt. Islip. Angeles National Forest. 2515 Comment
  SBBG65609  Chaenactis stevioides R. Hoffmann 1929-5-19 Los Angeles between Big Rock Crk and Los Angeles Recreation Park Comment
  SBBG65620  Chaenactis xantiana R. Hoffmann 1925-4-19 Los Angeles Elizabeth Lake Comment
  UC34663  Chaenactis xantiana H. M. Hall May 1 1902-May 3 1902 3073 Los Angeles vicinity of Elizabeth Lake; Antelope Valley, Elizabeth Lake 1066 Comment
  POM351853  Chaenactis xantiana A. Menke 1955-4-16 s.n. Los Angeles 1 mile south-east of Gorman. Comment
  RSA600016  Chamaesyce albomarginata Steve Boyd, Lauren Raz 1997-5-29 9929 Los Angeles Liebre Mountains region: North base of Portal Ridge, north of the San Andreas Rift Zone at the edge of the Antelope Valley, upper mouth of Cow Spring Canyon along the Pacific Crest Trail. 1127 Comment
  LA50648  Chamaesyce melanadenia M. Epling; Carl Epling 1925-5-15 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  RSA640320  Cheilanthes covillei L. C. Wheeler 1931-7-3 s.n. Los Angeles : 2 miles from Brown's Flats, on San Dimas trail. . Comment
  RSA685694  Cheilanthes covillei T. R. Pray 1960-6-16 1662 Los Angeles Along Crest Road, west side of tunnels 2073 Comment
  RSA610207  Chenopodium album L. C. Wheeler 1970-9-3 s.n. Los Angeles San Gabriel Mountains: Henninger Flats. 793 Comment
  RSA594203  Chenopodium berlandieri Steve Boyd, Lauren Raz 1996-10-14 9050 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
  CATA1185  Chenopodium californicum Mark L. Hoefs 1995-5-30 2186 Los Angeles Santa Catalina Island: Near Ben Weston Road 30 Comment
  SBBG54248  Chenopodium californicum F. C. Boutin 1967-4-24 Los Angeles Wilson Cove Comment
  RSA533921  Chenopodium californicum T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5240 Los Angeles San Clemente Island: Southeast end of island; first un-named canyon S of Snake Cactus Canyon (drainage beginning 1420 feet due W of Guds) 152 Comment
  SEINET6654078  Chenopodium hians Rick Jellen 2010-8-17 1004 Los Angeles Angeles Forest Hwy, 1.4 mi NE Mill Creek Summit.; 0 1880 Comment
  CAS-BOT-BC460919  Chenopodium missouriense Grace Cole Fleischman 1956-11-12 s.n. Los Angeles East Pasadena Comment
  PASA2689  Chenopodium murale Sally Ellis 1939-4-28 Los Angeles Claremont Comment
  SEINET12045775  Chlorogalum pomeridianum I. W. Clokey, Templeton, B. 1929-1 4587 Los Angeles Mandeville Canyon, Santa Monica Mts 350 Comment
  RSA0038402  Chorizanthe parryi Lee Haines 1935-7-4 s.n. Los Angeles San Dimas Lookout road, San Gabriel Mts. Comment
  SBBG128665  Chorizanthe parryi var. fernandina M. A. Elvin 2003-4-24 2527 Los Angeles Vallencia, Newhall Ranch , entrance to Magic Mtn Theme Park, survey area 62 366 Comment
  JEPS108274  Chorizanthe spinosa David Gowen 2005-5-11 311 Los Angeles HWY 138 (West Ave. D) west of Lancaster. NE corner of intersection with 40th Street W. Comment
  IRVC26370  Chorizanthe staticoides A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26045 Los Angeles Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park NE end of Santa Susana Mtns. 366 Comment
  RSA0091141  Chorizanthe staticoides R. G. Swinney 2011-5-24 14806 Los Angeles to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1049 Comment
  RSA392682  Chorizanthe staticoides Unspecified 1945-06 s.n. Los Angeles Seminole Hot Springs. Comment
  SD257354  Chorizanthe staticoides R. G. Swinney 2010-3-10 11834 Los Angeles San Gabriel Mountains: Whitney Canyon, Whitney Canyon Park, from 0.4 mile east of 14 Hwy, at the canyon mouth to 300 meters SE along ridgetip to the east of Whitney Canyon (Oat Mt. 7.5'Q) 441 Comment
  CAS-BOT-BC247865  Chorizanthe watsonii Timothy S. Ross; Steve Boyd 1995-6-29 8662 Los Angeles Liebre Mountains. Near west summit of Liebre Mountain. 1673 Comment
  SBBG62273  Chorizanthe xanti var. xanti R. Hoffmann 1927-6-14 Los Angeles Palmdale Comment
  UCR177279  Chorizanthe xanti var. xanti Scott D. White, Michael Honer 2003-5-7 9207 Los Angeles Liebre Mountains, Tapia Canyon, c. 2 air mi east of the Hwy 5 junction with 'Old Ridge Route 457 Comment
  JEPS48990  Chrysolepis sempervirens Joseph Andorfer Ewan 1934-8-9 8307 Los Angeles about Mount Williamson summit; Mount Williamson 2499 Comment
  RSA476629  Chrysolepis sempervirens L. E. Hoffman 1928-8-16 s.n. Los Angeles Buckhorn Flats. Angeles Forest 2165 Comment
  UCR52599  Chrysopsis villosa L. F. LaPre 1988-7-2 s.n. Los Angeles Western Mojave Desert, Del Sur Ranch, 6 mi. west of Lancaster, near intersection Ave G & 100th Street West 765 Comment
  UCR194614  Chrysothamnus nauseosus R. G. Swinney 1998-8-13 6753 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
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Jul 6 2021
  OBI81605  Cirsium occidentale Jill M. Bushakra, John Bushakra 2001-6-2 112 Los Angeles Pine Canyon, corner of Pine Canyon and Schaffer Roads. 1067 Comment
  LA47628  Cirsium occidentale var. californicum Henry J. Thompson; 1960-6-7 3077 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  SD30679  Cirsium occidentale var. californicum Edith A. Purer 1935-5-11 6554 Los Angeles Santa Monica Mountains, Malibou Road. Comment
  RSA0070684  Cirsium occidentale var. californicum Timothy S. Ross, Peter W. Fritsch 1990-6-20 3676 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon. 1256 Comment
  UCR258755  Cirsium occidentale var. coulteri R. G. Swinney 2010-5-25 12960 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  OBI16735  Cirsium occidentale var. occidentale Ron Pecoff 1961-5-1 s.n. Los Angeles Santa Monica Mts, Stunt Rd, near Saddle peak Comment
  UCR68894  Cirsium occidentale var. occidentale Steve Boyd, T. S. Ross, Laurel Arnseth 1990-4-7 4271 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  UCR243007  Cirsium vulgare R. G. Swinney 2009-8-6 11526 Los Angeles Transverse Range; San Gabriel Mountains, Lodi Canyon Falls, first major waterfall up canyon from confluence with San Dimas Canyon, San Dimas Experimental Forest 476 Comment
  CDA7422  Cirsium vulgare Hibbs 1957-8-6 Los Angeles 17100 Bloomfield. 0 Comment
  CAS-BOT-BC438746  Cistanthe monandra Ernest Braunton 1902-4-29 251 Los Angeles N. Pomona Comment
  POM175347  Cistanthe monandra E. Crow 1930-6-29 s.n. Los Angeles One mile below Crystal Lake Comment
  RSA599854  Cistanthe monandra Steve Boyd, Lauren Raz 1997-5-6 9770 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  RSA728999  Cistanthe monandra Gary D. Wallace, B. Gustafson, D. Minor, M. Wallace, F. Runyon, B. Birdsal 1982-4-26 1973 Los Angeles Fort Tejon Road. Comment
  RSA584175  Cistus ladanifer T. S. Ross 1990-5-15 2530 Los Angeles Yerba Buena Ridge; Tujunga Ranger Distruct, Angeles National Forest; peripheral ridge N from Yerba Buena Rd. dividing tributaries of Oak Spring Canyon (W) and Boulder Canyon (N) 914 Comment
  CAS-BOT-BC172441  Clarkia bottae Robert F. Thorne; A. C. Gibson 1971-5-22 39709 Los Angeles Mouth of Fish Canyon, San Gabriel Mts., Angeles National Forest 243 Comment
  LA45531  Clarkia bottae Carl Epling; 1925-4-25 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA448240  Clarkia bottae Frances Runyan 1973-5-24 66 Los Angeles Agua Dulce Canyon Road, near junction of Lancaster-Palmdale Highway. 610 Comment
  UCR12105  Clarkia deflexa Tim Bruhns 1971-7-12 521 Los Angeles Mulholland Drive, just off Cahuenga Blvd., SW of Hollywood Freeway (101) Comment
  SD13117  Clarkia deflexa Edith A. Purer 1935-5-11 6584 Los Angeles Hillside, Santa Monica Hills Comment
  UC206789  Clarkia epilobioides Katharine Brandegee Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC163722  Clarkia purpurea subsp. quadrivulnera Ernest Braunton 1902-4-29 s.n. Los Angeles N. Pomona Comment
  LA45495  Clarkia purpurea subsp. quadrivulnera A. M. Johnson; 1934-5-4 4452 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  LA45496  Clarkia purpurea subsp. quadrivulnera Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  UCR277212  Clarkia purpurea subsp. quadrivulnera R. G. Swinney 2010-5-25 12946 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA738060  Clarkia quadrivulnera M A Sanatay 1966-6-10 s.n. Los Angeles Verdugo Hills. 183 Comment
  CAS-BOT-BC165503  Clarkia unguiculata L. R. Abrams 1901-6-4 1711 Los Angeles Los Tunas [Canon] Canyon, S. Monica Mts. Comment
  RSA225691  Clarkia unguiculata Robert F. Thorne, Arthur C. Gibson 1971-5-22 39729 Los Angeles San Gabriel Mts., Angeles National Forest: Fish Canyon 290 Comment
  RSA674733  Clarkia unguiculata Scott D. White, Pam DeVries 2000-5-18 7912 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
  UCR125919  Clarkia unguiculata A. C. Sanders, Mark Elvin 2002-6-19 25163 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  RSA448594  Clarkia unguiculata W. P. Burger 1979-5-15 94 Los Angeles One mile west of Highview Dr. along Muhulan [Mulholland?] Hwy. Santa Monica Mountains. 457 Comment
  UCR165243  Claytonia parviflora A. C. Sanders, Helen Kennedy 2005-4-13 29467 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyons 457 Comment
  UCR265533  Claytonia parviflora Dan S. Cooper 2015-2-23 215- 39 Los Angeles Western Transverse Range; Santa Monica Mountains, Monte Nido, end of Pony Cross Rd. 167 Comment
  CAS-BOT-BC439512  Claytonia parviflora subsp. parviflora Timothy S. Ross; Darin Banks 1994-4-13 7548 b Los Angeles Liebre Mountains. Lower Spunky Canyon: easterly slope at the effluence of the canyon into Bouquet Reservoir. 926 Comment
  RSA0042239  Claytonia parviflora subsp. parviflora Orlando Mistretta, Mark Elvin 1995-5-10 1689 E Los Angeles San Gabriel Mountains. Bare Mountain Canyon. Head of W. Fork. 1767 Comment
  RSA527812  Claytonia parviflora subsp. parviflora Timothy S. Ross, Steve Boyd 1991-4-25 4572 Los Angeles San Gabriel Moutains: Doe Flat, between Graveyard Canyon and Susanna Canyon, N side of the East Fork of the San Gabriel River; Angeles National Forest, Mt. Baldy Ranger District. Comment
  POM296991  Claytonia perfoliata subsp. mexicana Karen Hosterman 1957-4-8 968 Los Angeles Santa Catalina Island. Avalon; an east-west canyon, east of Stables. Comment
  RSA613169  Claytonia perfoliata subsp. perfoliata Bill Campbell 1932-3-19 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon. Comment
  RSA580967  Clematis lasiantha Catherine A. Mish 1995-3-18 31 Los Angeles Santa Monica Mountains: Fryman Canyon 500 Comment
  RSA0036237  Clematis lasiantha Walter Bertsch 1954-4-19 492 Los Angeles Little Dalton Canyon. 365 Comment
  RSA386254  Clematis ligusticifolia Bonnie C. Templeton 1938-8-19 s.n. Los Angeles Bouquet Canyon. Comment
  RSA440835  Cleome isomeris M. B. Dunkle 1928-3-17 1759 Los Angeles Santa Catalina Island, Emerald Bay. Dry headland between Coves. Comment
  RSA555354  Collinsia bartsiifolia var. davidsonii D. Charlton 1991-5-21 5223 Los Angeles Ritter Ridge, city park site, south of 30 St west terminus. Narrow north facing canyon. 1037 Comment
  SBBG66398  Collinsia callosa R. Hoffmann 1929-5-21 Los Angeles above Elizabeth Lake Comment
  SBBG66400  Collinsia callosa R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk, Paradise Camp Comment
  UCD123541  Collinsia callosa Collector Unknown 1923-5-22 261 Los Angeles Eaton Canyon trail, over Oak Flat. Comment
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May 24 2016
  UCR281975  Collinsia callosa R. G. Swinney 2014-4-24 16207 Los Angeles San Gabriel Mountains, NE of Valyermo, wash and plateau at north end of Bob's Gap, 3.1-3.6 miles south of Hwy. 138, c. 0.2 miles east of Bob's Gap Rd., east of Bob's Gap Wash 1293 Comment
  IRVC28163  Collinsia heterophylla A. C. Sanders, Mark A. Elvin, et al. 2003-5-1 26274 Los Angeles NE side of Castaic Mesa, ca. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch Western San Gabriel Mtns. 396 Comment
  POM49311  Collinsia heterophylla Marcus E. Jones 1882-5-3 s.n. Los Angeles Pasadena. Comment
  RSA586532  Collinsia heterophylla Tim S. Ross 1992-5-24 6404 Los Angeles San Gabriel Mountains: Lower Brown's Gulch: just W of the San Gabriel Dam 463 Comment
  RSA729945  Collinsia heterophylla R. G. Swinney, D. W. Larson 1999-6-25 7412 Los Angeles San Gabriel Mtns.: Fern Canyon at falls, c. 1,7 mi. east of confluence with upper East Fork San Dimas Canyon 1159 Comment
  OBI60241  Collinsia heterophylla John Liu 1994-4-22 3 Los Angeles Santa Monica Mts, Calabassas, 1.0 mi on Stunt Rd from jct with Mulholland hwy 300 Comment
  POM7652  Collinsia heterophylla L. R. Abrams 1901-4-3 1229 Los Angeles Santa Monica Mountains. Comment
  RSA230752  Collinsia torreyi var. wrightii Robert F. Thorne, M. Z. Thorne 1969-7-9 38536 Los Angeles San Gabriel Mountains, Angeles National Forest: meadow at Big Pines 2088 Comment
  RSA589514  Convolvulus simulans T. S. Ross 1995-5-21 8604 Los Angeles San Clemente Island: Near head of Chenetti Canyon. just SW of the W prong of the trident formed at the top of the longest tributary; 1800 ft SSE of Rest triangulation point (1336 ft). 347 Comment
  RSA749121  Conyza canadensis R. G. Swinney 2005-8-9 8405 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  UCR277182  Conyza canadensis R. G. Swinney 2010-10-5 13973 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, west of 'Oak of the Golden Dreams', at west boundary of park 451 Comment
  POM266291  Conyza canadensis J. C. Roos 1942-9-26 1712 Los Angeles Westwood Village, Los Angeles. Comment
  UCR150424  Conyza floribunda A. C. Sanders 2005-2-13 29151 Los Angeles San Gabriel Valley, Walnut, Mt. San Antonio College, at south foot of the San Jose Hills 244 Comment
  SFV21660  Cordylanthus nevinii H. Wisch 2008-8-12 s. n. Los Angeles San Gabriel Mountains Trail south of Highway 2 at Cloudburst Summit. 2100 Comment
  UCR223302  Cordylanthus nevinii R. G. Swinney 2009-7-29 11426 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UC219138  Cordylanthus rigidus subsp. setiger I. M. Johnston 1917-8-23 1675 Los Angeles Prairie Flat of San Gabriel River San Antonio Mountains 1371 Comment
  RSA704230  Coreopsis bigelovii Gary D. Wallace 1982-4-17 1913 Los Angeles Mojave Desert: Fort Tejon Road S of Pearblossom, between 106th and Longview Road. Comment
  UCR46127  Coreopsis bigelovii Kathy Harper 1986-5-16 s.n. Los Angeles San Gabriel Mtns., Along unpaved road from Alder Saddle to Pacifico Mtn, NW of Hwy 2 Comment
  RSA716643  Coreopsis bigelovii Andrea Edwards, Pam De Vries 2005-3-29 52 Los Angeles triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  RSA184053  Coreopsis californica I. L. Wiggins 1966-4-15 20590 Los Angeles Desert wash immediately east of J. F. L. Motel, Pearlblossom. Mohave Desert. Comment
  UC895130  Coreopsis calliopsidea Lewis S. Rose 1937-4-9 37069 Los Angeles Palmdale 701 Comment
  SEINET10808309  Coreopsis calliopsidea Noel H. Holmgren, Patricia K. Holmgren 1974-4-4 Holmgren 7625 Los Angeles Mojave Desert, Antelope Valley, just southeast of Piute Butte, 17.5 airline miles east-southeast of downtown Lancaster. 762 Comment
  RSA233643  Coreopsis gigantea R. F. Thorne 1970-3-6 39410 Los Angeles Indian Rock in Emerald Bay, Santa Catalina Island. 15 Comment
  POM356140  Corethrogyne filaginifolia E. A. Purer, Freda Detmers 1931-3-12 s.n. Los Angeles El Segundo. Comment
  RSA0107700  Corethrogyne filaginifolia R. G. Swinney 2011-10-18 15847 Los Angeles San Gabriel Mountains: 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2. 1021 Comment
  RSA774609  Corethrogyne filaginifolia R. G. Swinney 2009-7-29 11409 Los Angeles Pacifico Mountain summit 2134 Comment
  UC729516  Cornus glabrata Carl B. Wolf 1932-5-13 3617 Los Angeles left fork Hamilton Canyon (200 ft. above forks); Santa Catalina Isl. 121 Comment
  RSA483049  Cortaderia selloana George R. Johnstone 1929-10-6 s.n Los Angeles Madeville Canon Comment
  RSA0087862  Cotula australis R. G. Swinney 2010-6-21 13287 Los Angeles 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
  SDSU3871  Cotula australis Gerald Collier 1951-5-10 Los Angeles Parkway - 11621 Mayfield Ave. L.A. 49. Comment
  CAS-BOT-BC427737  Crassula connata Geo. B. Grant 1902-4-1 1295 Los Angeles Pasadena Comment
  RSA639745  Crassula connata L. C. Wheeler 1969-4-12 s.n. Los Angeles Pine Canyon spur of Brown Mt. road on ridge at south side, Pine Canyon off Arroyo Seco. Ca. on section line between [sections] 29 and 3. 754 Comment
  RSA632001  Crassula tillaea L. C. Wheeler 1973-4-8 s.n. Los Angeles Kagel Canyon. 601 Comment
  SBBG128067  Crepis setosa M. L. Hoefs, S. A. Junak, K. Kirkland 1996-7-11 2751 Los Angeles Avalon School science building, Falls Cyn 27 Comment
  RSA394755A  Cressa truxillensis A. M. Johnson 1933-5-17 4252 Los Angeles Del Rey Salt Marsh. Comment
  SD38391  Crocanthemum scoparium var. vulgare Edith A. Purer 1931-3-11 2630 Los Angeles Griffith Park Comment
  UC73467  Crocanthemum scoparium var. vulgare E. D. Palmer 1902-7-1 Los Angeles between Glendora and San Dimas Comment
  RSA0127212  Crocanthemum scoparium var. vulgare Louis C. Wheeler 1967-7-18 10108 Los Angeles Gold Creek off Little Tujunga Canyon. 549 Comment
  SD106228  Crossosoma californicum K. Nakai 1980-3-23 565 Los Angeles Palos Verde Hill, Forrestal Drive Comment
  SEINET2443025  Crypsis schoenoides R. G. Swinney 2008-9-9 9321 Los Angeles San Gabriel Mtns. Little Rock Creek, 0.2 mi north of Little Rock Reservoir.; 0 960 Comment
  SBBG131587  Cryptantha S. A. Junak 2000-4-15 SCa 1224 Los Angeles E of Lone Tree, just inland from S-facing bluff top 408 Comment
  CAS-BOT-BC189388  Cryptantha circumscissa Robert F. Thorne; C. W. Tilforth 1973-4-20 43104 Los Angeles San Gabriel Mountains, Mojave desert slope, San Bernardino National Forest: Mormon Rocks and Cajon Canyon 1036 Comment
  RSA599782  Cryptantha circumscissa Steve Boyd, Lauren Raz 1997-3-25 9275 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
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Sep 12 2007
  UCR271051  Cryptantha circumscissa R. G. Swinney 2011-6-6 15010 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  SEINET4206986  Cryptantha clevelandii K. Dobry 1992-1 d 1112 Los Angeles South end of Las Virgenes Reservoir at the south end of Lindero Canyon, city of Westlake, Santa Monica Mountains.; 0 Comment
  SEINET4206987  Cryptantha clevelandii var. clevelandii K. Dobry 1992-1 d 1066 Los Angeles Santa Monica Mountains, in the city of Weslake at So. end of Lindero Canyon.; 0 Comment
  RSA775134  Cryptantha clokeyi Orlando Mistretta, Christine Mistretta 2010-6-7 5266 Los Angeles Mill Creek Canyon; vicinity of Iron Mountain, along Southern California Edison transmission line corridor. 1361 Comment
  RSA586463  Cryptantha echinella Orlando Mistretta 1994-6-21 1369 Los Angeles Santiago Canyon, near summit of Pacifico Mountain 1982 Comment
  UCR209247  Cryptantha echinella R. G. Swinney 2008-10-8 9526 Los Angeles San Gabriel Mtns., Table Mountain West, north of Big Pines 2291 Comment
  RSA0076103  Cryptantha intermedia Scott D. White 1998-6-10 6714 Los Angeles San Antonio Canyon: About 1.5 air miles north of San Antonio Dam. Shinn Rd. (=Mountain Ave.) bridge over San Antonio Creek, immediately west of USFS San Antonio Fire Station. 762 Comment
  RSA578301  Cryptantha intermedia T. S. Ross, Steve Boyd 1994-5-10 7755 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 873 Comment
  RSA712914  Cryptantha intermedia A. C. Sanders, Mark Elvin 2003-4-16 26040 Los Angeles Santa Clara River watershed: Newhall Ranch, ca. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank. 305 Comment
  RSA762349  Cryptantha intermedia R. G. Swinney 2009-3-6 10050 Los Angeles 1.2 miles north of Foothill Blvd. on east side of Encanto Parkway, confluence of Van Tassel and San Gabriel canyons at west bank of San Gabriel River channel, Azusa/Duarte boundary 201 Comment
  SBBG43886  Cryptantha intermedia M. R. Benedict 1971-6-26 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  RSA650997  Cryptantha intermedia T. Sargent 1959-4-12 s.n. Los Angeles Baldy Road 1mi. E. of Padua Hills. Comment
  UC557754  Cryptantha maritima Nell Murbarger May, 1936 186 Los Angeles s end San Clemente Island; s end San Clemente Island Comment
  RSA585343  Cryptantha micrantha T. S. Ross 1991-4-27 4638 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line 1183 Comment
  SFV7381  Cryptantha micromeres T. Gordon, M. H. Grayum, R. Johnson 1975-4-18 900 Los Angeles Santa Monica Mountains Between Castro Peak and Mesa Peak, along main ridge fire road at head of Corral Canyon. 617 Comment
  RSA599689  Cryptantha microstachys Steve Boyd, Lauren Raz 1997-5-6 9708 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  UCR205196  Cryptantha microstachys R. G. Swinney 2008-4-30 8706 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Monroe Canyon 549 Comment
  UCR259911  Cryptantha microstachys R. G. Swinney 2010-3-18 11994 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road 540 Comment
  JEPS22753  Cryptantha muricata Rimo Bacigalupi with Reino Alava 1958-7-20 6404 Los Angeles Charlton Flat, close to Angeles Crest Highway (State Highway 2) San Gabriel Mountains, Angeles National Forest 1623 Comment
  RSA0081318  Cryptantha muricata R. G. Swinney 2010-3-16 11922 Los Angeles Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  RSA0112768  Cryptantha muricata R. G. Swinney 2011-3-29 14241 Los Angeles San Gabriel Mts., Lake View Terrace, Big Tujunga Wash, 0.2-1.0 mi east of I-210 Fwy, N side of river channel. 366 Comment
  UCR193446  Cryptantha muricata R. G. Swinney 1999-6-18 7281 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  UCR205620  Cryptantha muricata R. G. Swinney 2008-5-12 8827 Los Angeles San Gabriel Mtns., east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  RSA802426  Cryptantha muricata var. denticulata Orlando Mistretta, Cher Batchelor 2011-7-27 5996 Los Angeles Along Rincon Red Box Road (Forest Road 2N24) 1.2 air miles W of Monrovia Peak. 1366 Comment
  UCR271132  Cryptantha muricata var. muricata R. G. Swinney 2011-6-14 15112 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  RSA0079281  Cryptantha muricata var. muricata Frances L. Cramer 1934-3-15 s.n. Los Angeles Santa Susana Pass. Comment
  RSA0079549  Cryptantha muricata var. muricata T. S. Ross, Steve D. Boyd 1990-6-18 3512 Los Angeles Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages. San Gabriel Mountains. 1744 Comment
  UCR127958  Cryptantha nevadensis A. C. Sanders, E. J. Lott 1993-5-6 13962 Los Angeles Western Mojave Desert, 13 miles north of Palmdale, Sierra Hwy at Ave 'F 701 Comment
  RSA0078832  Cryptantha pterocarya var. pterocarya David Charlton 1991-5-21 5234 Los Angeles Ritter Ridge, city park site, south of 30 St west terminus. Rolling steel ridges formed by San Andreas fault. 1037 Comment
  RSA0079294  Cryptantha pterocarya var. pterocarya R. F. Thorne, R. Carolin, Christopher Davidson 1967-3-23 41588 Los Angeles San Gabriel Mountains, Angeles National Forest: Grandview Canyon; Mojave Desert slopes north of Mile High Ranch. 1371 Comment
  RSA729866  Cryptantha similis R. G. Swinney 1999-6-5 7261 Los Angeles San Gabriel Mtns.: east side of Big John Peak, west of Mescal Creek above Big John Flat. 1780 Comment
  SBBG123120  Cryptantha similis R. G. Swinney 2001-4-18 7910 Los Angeles Bobs Gap near Lime Kiln ruins, near Valyermo 1244 Comment
  UCR193418  Cryptantha similis R. G. Swinney 1999-6-18 7286 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  CAS-BOT-BC228641  Cryptantha traskiae Frank W. Peirson 1923-4-11 3421 Los Angeles Eagle Ranch, San Clemente Is., on sea bluff Comment
  POM156360  Cucurbita foetidissima L. R. Abrams 1902-6-10 s.n. Los Angeles Near Playa del Rey. Comment
  UCR143927  Cucurbita foetidissima A. C. Sanders, Lee Jones 2004-11-7 29029 Los Angeles San Fernando Valley, site called Lookout Gates on topo, 1 mile NE of Chatsworth at foot of Santa Susana Mtns., 5 acre estate proposed for conversion to private high school (Sierra Canyon H.S.), west of the north end of Lurline Ave, N of Nashville St., just south of 118 Fwy 351 Comment
  SEINET10625784 Image available Cucurbita pepo Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2582 Los Angeles City of San Gabriel. Howie's Ranch Market, 6580 N. San Gabriel. Comment
  RSA726864  Cupressus forbesii Steve Boyd 2004-4-15 10899 Los Angeles Rowher Flats area, near off-highway vehicle staging areas at end of Angeles National Forest road 5N14. Comment
  RSA733987  Cuscuta D. M. McFadden 1955-1 s.n. Los Angeles Lakewood Village. 30 Comment
  UCD126268  Cuscuta californica var. californica Louis C. Wheeler 1973-11-20 s.n. Los Angeles San Gabriel Mountains: Chaney Trail ca 1/2 way up. Comment
  RSA0025175  Cycladenia humilis var. venusta Jane Tirrell 2012-6-27 LS 0088 Los Angeles Approx. 20 feet north (downslope) of saddle along Pacific Crest Trail, approx. 0.1 mile east of Windy Gap. 2336 Comment
  UCR217700  Cyclospermum leptophyllum A. C. Sanders, Dan S. Cooper 2010-8-5 38548 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  POM247928  Cylindropuntia californica var. parkeri Joseph A. Ewan 1937-8-23 11061 Los Angeles Tujunga Creek near mouth of canyon. Comment
  RSA602760  Cylindropuntia californica var. parkeri L. C. Wheeler 1968-11-9 s.n. Los Angeles San Gabriel Mountains: 0.2 miles inside mouth of San Gabriel Canyon. 232 Comment
  HSC9501  Cynodon dactylon John Warner Hosking 1964-10-24 Los Angeles Back yard of home in Manhattan Beach. Comment
  RSA483549  Cynodon dactylon Amelia Eatherton 1930-05 s.n. Los Angeles Sunny Yard, Eagle Rock Comment
  RSA483550  Cynodon dactylon Mullins 1931-4-10 s.n. Los Angeles Los Angeles. Comment
  UCR214650  Cynodon dactylon A. C. Sanders, Dan S. Cooper 2010-4-30 38141 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA0046772  Cynodon dactylon Dan Milojevich 1981-5-17 44 Los Angeles Open field at N. corner of Santa Anita & Valley Blvd. Comment
  UC1871122  Cynosurus echinatus T. S. Ross, S. D. Boyd 1993-6-29 7383 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mountains: 530 m WNW of Wilson Canyon Saddle; 340 m NNE of the Radio Facility; WNW slope draining to Whitney Canyon; San Fernando 7.5' USGS quad: T3N R15W, NW/4 NW/4 SE/4 sec. 9, elev. 3280-3370 feet Comment
  UCR162510  Cyperus difformis Anuja Parikh, Nathan Gale 2004-9-15 2100 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 5) in vicinity of Castaic Junction 305 Comment
  CATA1295  Cyperus eragrostis Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2384 Los Angeles Santa Catalina Island: By upper Cape Canyon Reservoir 323 Comment
  UCR168542  Cyperus erythrorhizos L. C. Wheeler 1932-9-19 1390 Los Angeles Los Angeles Basin, Los Angeles River at Los Feliz Blvd. 122 Comment
  RSA128251  Datisca glomerata P. H. Raven 1959-10-25 s.n. Los Angeles Santa Monica Mountains: ([From] 34 deg. 118 deg. to 119 deg.) Arroyo Sequit 1.6 miles north of Coast Highway. 137 Comment
  RSA600200  Daucus pusillus Steve Boyd, Lauren Raz 1997-5-29 9914 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
  RSA0030880  Daucus pusillus Louis C. Wheeler 1934-4-27 2571 Los Angeles Marshall Creek, San Gabriel Mts. 487 Comment
  SBBG12508  Deinandra clementina P. H. Raven 1962-7-12 18038 Los Angeles above North Head Comment
  UC1211126  Deinandra clementina Huron H. Smith 1912-5-31 5055 Los Angeles Pebble Beach Road Santa Catalina Island 7 Comment
  CAS-BOT-BC299304  Deinandra fasciculata Fordyce Grinnell 1916-6-16 s.n. Los Angeles Santa Susanna Pass Comment
  JEPS26183  Deinandra fasciculata Peter H. Raven and Henry J. Thompson 1959-9-18 14451 Los Angeles University of California Santa Monica Mountains, West Los Angeles, University of Cali 152 Comment
  SFV7108  Deinandra fasciculata K. A. Wilson 1974-8-21 1434 Los Angeles Santa Monica Mountains 0.3 miles west of Las Virgenes Road. Roadside bank. 185 Comment
  UCD131160  Deinandra minthornii Daryl Koutnik; William Balch, Bruce Holguin 1979-12-31 594 Los Angeles Charmlee Regional Park, about one mile southwest of Enicinal Canyon Road. 243 Comment
  CATA1408  Delairea odorata Mark L. Hoefs, Steven A. Junak, Janet Takara, Keri Kirkland 1995-11-10 2556 Los Angeles Santa Catalina Island: Beach at Empire Landing 3 Comment
  CHSC95457  Delairea odorata LeRoy Gross 2001-12-9 459 Los Angeles Transverse Ranges: San Gabriel Mountains: Big Santa Anita Canyon; ca. 1/4 mile down from the tributary of Winter Creek, east of Chantry Flat. 518 Comment
  UCR248524  Delphinium cardinale Jason A. Koontz, Bart O'Brien, Erika Gardner 2012-5-15 291 Los Angeles Coastal Plains and Basins; San Bernardino Basin Region, Claremont. Rancho Santa Ana Botanic Garden, just outside north fence 416 Comment
  CAS-BOT-BC9126  Delphinium cardinale Muriel F. Wheeler 1938-7-23 952 Los Angeles San Dimas Canyon Wash, 0.5 mile northeast of San Dimas County Park Comment
  RSA394500  Delphinium cardinale R. J. Tinkler 1969-7-4 s.n. Los Angeles Lopez Canyon Road, San Fernando. Comment
  UC9227  Delphinium parishii Dr. A. Davidson 1895-1 Los Angeles Lancaster Comment
  RSA579316  Delphinium parishii subsp. parishii Tim S. Ross 1994-5-31 7978 Los Angeles San Gabriel Mountains: vicinity of Pacifico Mountain: upper northerly slope of major flat-topped ridge ca. 680 m due W of Sheep Camp Spring. 2049 Comment
  CATA3355  Delphinium parryi subsp. maritimum Amy Catalano 2017-4-25 061 Los Angeles Santa Catalina Island: South side of Isthmus Rd., 380 meters NE from junction with El Rancho Escondido Rd. 37 Comment
  SBBG31204  Delphinium parryi subsp. maritimum R. F. Thorne with M. Z. Thorne 1966-6-2 Los Angeles Hay Press area [Haypress] 426 Comment
  CATA229  Delphinium parryi subsp. parryi Mark L. Hoefs, A. Douglas Propst 1973-5-4 222 Los Angeles Santa Catalina Island: Middle of Middle Ranch Canyon, north exposure 243 Comment
  SBBG128369  Delphinium parryi subsp. parryi M. L. Hoefs, A. D. Propst 1973-5-4 222 Los Angeles middle of Middle Ranch Cyn 243 Comment
  UCR174485  Delphinium parryi subsp. parryi Anuja Parikh, Nathan Gale 2005-4-29 2109 Los Angeles Western Transverse Range, Newhall Ranch , River Park area east of I-5, N of Santa Clara River and west of Bouquet Canyon 351 Comment
  UCR223508  Delphinium patens R. G. Swinney 2009-5-28 10942 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  HSC25042  Delphinium patens C. S. Apperson 1967-6-11 Los Angeles 3 mi. up Haskell Canyon Rd. off Bouquet Canyon Rd. Comment
  UC855070  Dendromecon harfordii F. R. Fosberg 1931-4-13 S 4580 Los Angeles Renton Mine Santa Catalina Island, Pebble Beach Canyon, lf. fk. 300 Comment
  CAS-BOT-BC82905  Dendromecon rigida Tim Ross; Steve Boyd 1993-5-23 7224 Los Angeles Liebre Mountains. Lower, easterly ridge of Red Mountain, on northerly slope 140-220 meters southeast of the saddle. 963 Comment
  RSA433216  Dendromecon rigida Anstruther Davidson 1892-5-3 s.n. Los Angeles Devil's Gate, Pasadena. Comment
  RSA582770  Dendromecon rigida Tim S. Ross, S. D. Boyd 1993-5-23 7224 Los Angeles Lower, easterly ridge of Red Mtn, on northerly slope 140-220 m SE of the saddle between Ruby and Clearwater Canyons. 951 Comment
  RSA615704  Dendromecon rigida Louis C. Wheeler 1968-4-26 s.n. Los Angeles San Gabriel Mountains: Head of Bear Canyon (off Soledad Canyon) at Santa Clara Divide Road. 1280 Comment
  UCR128159  Dendromecon rigida Mark A. Elvin, Cathleen Weigand 2003-5-22 2898 Los Angeles Western Transverse Range; Santa Susana Mtns., crest of mountains at head of Salt Canyon, Newhall Ranch 915 Comment
  CATA2979  Descurainia pinnata Peter J. Dixon 2015-2-19 010 Los Angeles Santa Catalina Island: Little Harbor on slope above beach and dune. 50 m North of mean tide line. 6 Comment
  RSA729956  Descurainia pinnata R. G. Swinney 1999-4-5 7039 Los Angeles San Gabriel Mtns./Mojave Desert: lower Boulder Canyon Wash, 1.4 mi. south of Ft. Tejon Rd. on 213th St. East 1268 Comment
  UCR281994  Descurainia pinnata subsp. glabra R. G. Swinney 2014-5-7 16413 Los Angeles San Gabriel Mountains, near town of Ravenna, 0.3 miles east of Stonecross, c. 0.7 miles south of Soledad Cyn. Road, c. 0.5 mile east of Mill Cyn., unnamed N-S oriented cyn. between Bootleggers Cyn. and Mill Cyn. 793 Comment
  UCR23483  Descurainia sophia Alfred R. Roos 1954-5-4 s.n. Los Angeles San Fernando Valley, 5001 Gaviota, Encino 218 Comment
  UCR223675  Dicentra chrysantha R. G. Swinney 2009-6-12 11147 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-BC402519  Dicentra ochroleuca K. Nakai; B. Broadbent 1980-5-4 594 Los Angeles Santa Monica Mountains, ca. 1.6 km south from the end of Channelford Rd. and ca. 0.8 km west of the Las Virgenes Reservoir Comment
  SFV15563  Dichelostemma capitatum R. K. Stachelek 1992-4-14 35 Los Angeles San Gabriel Mountains Sylmar. Stetson Ranch Park. 500 Comment
  UC1211090  Dichelostemma capitatum Huron H. Smith 1912-5-3 4910 Los Angeles Azusa 243 Comment
  UCR205832  Dichelostemma capitatum R. G. Swinney 2008-5-8 8788 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  SDSU11628  Dichelostemma capitatum R. M. Beauchamp 1967-1-27 104 Los Angeles Common on grassy slope east of Wilson Cove area. Only old infls. present. San Clemente Island Comment
  RSA376836  Dichelostemma capitatum subsp. capitatum F. R. Fosberg 1931-4-15 S 4632 Los Angeles Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island. 200 Comment
  UCR19608  Dichelostemma capitatum subsp. capitatum G. R. Johnstone 1925-3-8 s.n. Los Angeles Channel Islands, Santa Catalina Island Comment
  RSA527725  Dichelostemma capitatum subsp. capitatum Timothy S. Ross, Annette Ross 1991-3-7 4148 Los Angeles Elephant Hill: Western Pomona. 335 Comment
  SD82876  Dieteria canescens R. F. Thorne, M. Z. Thorne 1969-7-9 38539 Los Angeles San Gabriel Mountains; Angeles National Forest; summit of Table Mountain above Big Pines Ranger Station. 2135 Comment
  CAS-BOT-BC518705  Diospyros lotus R. G. Swinney 2011-6-30 15395 Los Angeles San Gabriel Mountains: 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  CAS-BOT-BC150858  Diplacus X australis H. E. Hasse 1893-5-1 s.n. Los Angeles Near Soldiers Home Comment
  SEINET260463  Diplacus johnstonii David M. Thompson 1986-1 495 Los Angeles San Gabriel Mts 7.0 mi N of Angeles Crest Hwy (Hwy 2) along rd following the S Fork Little Rock Creek Comment
  RSA0034994  Diplacus longiflorus Terri Lords 1977-3-19 16 Los Angeles Bottom of Bell Canyon, Santa Monica Mts. 457 Comment
  RSA530710  Diplotaxis tenuifolia George B. Grant 1904-1 287 Los Angeles Waste places, Pasadena Comment
  LA202380  Diplotaxis tenuifolia Arthur C. Gibson; 2003-8-11 4881 Los Angeles Santa Monica Mountains, E of Zuma Beach along Westward Beach Rd, S of Pacific Coast Hwy Comment
  LA210884  Dipogon lignosus Arthur C. Gibson; Rangoon Creeper 2009-4-18 5256 Los Angeles Hollywood Hills, Central Griffith Park. Comment
  CATA833  Distichlis spicata Mark L. Hoefs 1991-6-26 1431 Los Angeles Santa Catalina Island: Bulrush Canyon 335 Comment
  UC402542  Dithyrea californica George B. Grant 1904-5-14 266 a Los Angeles Playa del Rey Comment
  UCSB45199  Dithyrea californica Matthews, K. 1977-3-26 Los Angeles Off roadside 4 miles east of Pearblossom on Highway 18 792 Comment
  UC187663  Dodecatheon clevelandii subsp. insulare T. S. Brandegee April, 1888 Los Angeles Island of Santa Cruz Comment
  JEPS14677  Dodecatheon redolens Frank W. Peirson 1921-7-17 2516 Los Angeles Prairie Fork San Gabriel Riv , Prairie Fork-San Gabriel Riv (San Gabriel Mountains) 2133 Comment
  RSA149807  Dodecatheon redolens Wesley O. Griesel 1961-6-16 s.n. Los Angeles Dawson Saddle area 2287 Comment
  UCR12206  Dodecatheon redolens Art Whistler 1966-6-23 s.n. Los Angeles Hwy 2 past Mt. Wilson Rd. 2287 Comment
  RSA286657  Draba corrugata var. corrugata R. F. Thorne, Larry E. DeBuhr 1974-6-28 44780 Los Angeles near Lily Spring on N slope of Mt. Hawkins 2377 Comment
  UCR108181  Drymocallis cuneifolia var. ewanii L. C. Wheeler 1966-8-21 8836 Los Angeles San Gabriel Mtns., Dorr Canyon, NW slope of Mt. Burnham, Lodgepole Picnic Area, Angeles Crest Hwy 2317 Comment
  RSA682651  Drymocallis glandulosa LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1067 Los Angeles North side of mountains: South of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway. 550 Comment
  UC136479  Drymocallis glandulosa var. viscida LeRoy Abrams 1902-6-30 2585 Los Angeles Strains Camp San Gabriel mountains, Mt. Wilson (Mt. Wilson) Comment
  CATA1223  Dryopteris arguta Mark L. Hoefs, Douglas R. Hoefs, Jorge Hernandez 1995-6-21 2288 Los Angeles Santa Catalina Island: Upper Bulrush Canyon 286 Comment
  UCR127242  Dryopteris arguta Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2926 Los Angeles Santa Susana Mtns., Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. 915 Comment
  RSA693694  Dryopteris arguta Anonymous s.n. Los Angeles San Gabriel Mountains Comment
  SFV107  Dryopteris arguta F. R. Rickson 1961-7-28 2 Los Angeles Santa Monica Mountains Studio City. In canyon 200-300 yards from south end of Brookdale Road. Comment
  RSA516415  Dudleya cymosa subsp. crebrifolia W. Wisura, Orlando Mistretta 1989-8-29 4421 Los Angeles Roberts Canyon, off San Gabriel Canyon Comment
  LA47619  Dudleya cymosa subsp. ovatifolia Henry J. Thompson; 1960-6-7 3078 Los Angeles Santa Monica Mountains, 0.4 mi. S of Cornell junction and highway 101 (near Agoura) 304 Comment
  RSA609263  Dudleya cymosa subsp. pumila L. C. Wheeler 1968-5-24 s.n. Los Angeles San Gabriel Mountains: Northwest slope Smith Mt., along Bear Creek Trail. 1249 Comment
  JEPS49946  Dudleya densiflora J. T. Howell 1928-6-12 Los Angeles Fish Canyon San Gabriel Mtns Comment
  RSA423524  Dudleya densiflora Erwin Miller 19243 Los Angeles Fish Canyon, San Gabriel Mountains. Comment
  SBBG107265  Dudleya hassei J. Dice, D. Donoghue, T. Martin 1983-5-20 346 Los Angeles above Pebbly Beach Drive, between Avalon Bay and Abalone Pt 22 Comment
  SD82921  Dudleya virens Robert F. Thorne 1966-5-31 36445 Los Angeles Santa Catalina Island; rocky headland between Little and Shark Harbors. 14 Comment
  RSA536076  Dudleya virens T. S. Ross 1991-5-21 5428 Los Angeles San Clemente Island, upper reaches of Box Canyon, SW side of the island 343 Comment
  SD215468  Dysphania botrys Louise C. Wheeler 1946-8-27 6250 Los Angeles San Gabriel Mountains: Angeles Forest Highway opposite junction of Mill Creek and Big Tujunga Canyon. 868 Comment
  UCSB10193  Dysphania multifida Beach, Kay 1942-11-25 Los Angeles Roadside near guard's house at Dalton Dam 518 Comment
  CAS-BOT-BC197142  Echinochloa crus-galli Louis C. Wheeler 1933-12-24 2341 Los Angeles San Dimas Canyon Dam, San Gabriel Mts. 426 Comment
  POM365258  Echinochloa crus-galli F. R. Fosberg 1930-6-23 S- 2963 Los Angeles Del Rey. 1 Comment
  LA99086  Ehrendorferia ochroleuca Carl Epling; L. Ellison 1929-4-27 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA0064474  Eleocharis R. G. Swinney 2010-9-1 13658 Los Angeles Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds. 341 Comment
  UCR190755  Eleocharis macrostachya R. G. Swinney 1999-7-5 7496 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-BC113043  Eleocharis montevidensis I. Johnston 1916-10-10 13 Los Angeles Red Hill near Upland, marsh. Comment
  UC56636  Eleocharis montevidensis Ernest Braunton Jul 1902 560 Los Angeles L. A. River Comment
  POM220095  Eleocharis montevidensis var. montevidensis L. C. Wheeler 1931-9-9 146 Los Angeles Puddingstone Lake, San Jose Hills, S San Dimas. 259 Comment
  UCR155921  Eleocharis obtusa A. C. Sanders 2005-5-5 29896 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool 655 Comment
  POM1364  Eleocharis palustris I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough . [locality name change to Laguna Dominguez ] Comment
  RSA605021  Eleocharis parishii L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1997 Comment
  RSA705546  Eleusine coracana subsp. africana R. E. Riefner Jr. 2004-8-22 4 -382 Los Angeles City of Pasadena, Arroyo Seco Creek, S of Arroyo Boulevard. NAD 83 226 Comment
  SEINET3929483  Elymus condensatus Steve Boyd, L. Raz 1997-5-6 9765 Los Angeles Liebre Mountains Region: Fish Canyon just upstream from the confluence with Castaic Creek.; 0 500 Comment
  UCR102373  Elymus elongatus L. C. Wheeler 1968-7-21 s.n. Los Angeles San Gabriel Mtns., E fork of Alder Creek off Big Tujunga, below Charlton Flat; future dam site Comment
  UCR127238  Elymus elymoides Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2923 Los Angeles Santa Susana Mtns., Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. 915 Comment
  UCR193995  Elymus elymoides R. G. Swinney 1998-8-13 6747 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  UCR223075  Elymus elymoides R. G. Swinney 2009-5-13 10780 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
  RSA595941  Elymus elymoides subsp. elymoides L. C. Wheeler 1967-5-9 9407 Los Angeles San Gabriel Mountains. Aliso Canyon. 945 Comment
  RSA0083012  Elymus glaucus R. G. Swinney 2010-9-7 13730 Los Angeles NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks. 1768 Comment
  SEINET7303714 Image available Elymus glaucus Donald R. Bissing 1973-1 160 Los Angeles Evey Canyon, San Gabriel Mountains 756 Comment
  CAS-BOT-BC206748  Elymus glaucus subsp. glaucus G. B. Grant 1902-6-10 5109 Los Angeles Summit Mt. Wilson Comment
  CAS-BOT-BC206750  Elymus glaucus subsp. glaucus Geo. B. Grant 1902-6-10 s.n. Los Angeles Summit Mt. Wilson Comment
  RSA191104  Elymus glaucus subsp. glaucus R. F. Thorne, M. Z. Thorne 1967-6-25 37074 Los Angeles Along fire-road between Cobal and Evey Canyons 732 Comment
  UCR210157  Elymus hispidus R. G. Swinney 2008-7-24 9356 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
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May 11 2012
  SBBG127367  Elymus lanceolatus subsp. lanceolatus A. Parikh, N. Gale 2011-7-7 3547 Los Angeles Barley Flats, 4.4 km W of Shortcut Station, 1 km N of St Hwy 2; San Gabriel Mtns 1705 Comment
  RSA0062696  Elymus trachycaulus R. G. Swinney 2010-10-13 14020 Los Angeles Lily Spring, within 100 meters of main spring. 2454 Comment
  RSA663499  Emmenanthe penduliflora Scott D. White, Pam DeVries 1998-4-20 6302 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
  RSA715749  Encelia actoni Scott D. White, Andrea Warniment 2006-7-7 11627 Los Angeles Gorman area, west of the I-5 Freeway at SR-138 interchange. SE Tehachapi Mts. 1006 Comment
  CATA17  Encelia californica USC Wrigley Interns: Daniel Kasang, Sabrina Lawrence-Gomez, Alexandria Cheung, Miller Zou, Sarah Ratay 2011-7-1 4 Los Angeles Santa Catalina Island: Deer Valley Trail 4 Comment
  RSA599178  Encelia californica Scott D. White 1997-3-12 4766 Los Angeles NW of Zuma Beach, Encinal Canyon Rd. between Pacific Coast Hwy and Mulholland Hwy. 305 Comment
  UCR13465  Encelia californica 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
  SEINET11736595  Ephedra aspera D. P. Reagan 1974-1 28 Los Angeles Pyramid Lake, 1 mi N of Castaic Comment
  CAS-BOT-BC81808  Ephedra nevadensis Louis C. Wheeler 1932-4-10 602 Los Angeles 2 mi. W Palmdale, Mojave Desert 762 Comment
  POM1000  Ephedra nevadensis Marjorie Shaw, Edna Spaulding, C. L Walton 1917-4-6 s.n. Los Angeles Antelope Valley. Desert Flats 915 Comment
  RSA383905  Ephedra nevadensis Robert Gustafson, Christopher Davidson 1977-4-20 424 Los Angeles Fort Tejon Road, south of Littlerock, about 1.5 miles east of the junction with 82nd St. 976 Comment
  LA6823  Ephedra viridis Carl Epling; 1931-10-25 sn Los Angeles Bald Mountain-Liebre Mountain, Between Sandbergs and Pine Canyon Comment
  RSA592359  Ephedra viridis L. C. Wheeler 1967-5-12 9427 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  UCR182700  Epilobium R. G. Swinney 1997-8-6 5773 Los Angeles San Gabriel Mtns, along Big Pines Hwy, c. 0.5 mi. west of Hwy 2 junction, east of Jackson Lake 2024 Comment
  UCR193168  Epilobium R. G. Swinney 1999-8-14 7627 Los Angeles San Gabriel Mtns., upper Fish Fork San Gabriel River, c. 0.9 air mi. east of Upper Fish Fork Campground, 1.4. air mi. WSW of Dawson Peak 2146 Comment
  RSA230369  Epilobium angustifolium subsp. circumvagum Robert F. Thorne, M. Z. Thorne 1969-7-10 38349 Los Angeles San Gabriel Mountains, Angeles National Forest: E. Blue Ridge, Holiday Hill, 2460 Comment
  LA202406  Epilobium brachycarpum Arthur C. Gibson; 2004-9-5 5060 Los Angeles Comment
  CAS-BOT-BC166281  Epilobium canum subsp. canum George L. Moxley 1916-9-4 516 Los Angeles Eaton Canyon, San Gabriel Mts. Comment
  JEPS44012  Epilobium canum subsp. canum Frank W. Peirson 1918-10-15 279 Los Angeles foot of Echo Mt. trail San Gabriel Mts. 548 Comment
  RSA187703  Epilobium canum subsp. canum Robert F. Thorne 1966-9-14 36662 -a Los Angeles Santa Catalina Island; Little Harbor 5 Comment
  RSA522446  Epilobium canum subsp. latifolium Tim S. Ross, Peter Fritsch 1990-7-10 4059 Los Angeles San Gabriel Mountains, Angeles National Forest: NE of Tie Summit Station and E of Angeles Forest Hwy. Tujunga Ranger District. 1488 Comment
  RSA0044699  Epilobium canum subsp. latifolium Jon Nickoloff 1973-10-21 504 Los Angeles C. 3 miles SE on Devil s Canyon Trail in stream bed; San Gabriel Mountains [Santa Susana Mts] 1067 Comment
  RSA750091  Epilobium ciliatum R. G. Swinney 2008-4-30 8703 Los Angeles San Dimas Experimental Forest, Monroe Canyon 549 Comment
  UCR182239  Epilobium ciliatum R. G. Swinney 1997-9-6 5871 Los Angeles San Gabriel Mountains, Jackson Lake west of Wrightwood 1875 Comment
  RSA162772  Epilobium ciliatum subsp. ciliatum J. D. Olmsted 1959-5-13 622 Los Angeles In Evey Canyon, 1/4 mi. west of San Antonio Canyon. 701 Comment
  RSA669283  Epilobium ciliatum subsp. ciliatum LeRoy Gross, Naomi S. Fraga, Steve Williams 2002-7-17 553 Los Angeles Transverse Ranges; Verdugo Mountains region: North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road 425 Comment
  SEINET9077461 Image available Epilobium ciliatum subsp. ciliatum Orlando Mistretta 1994-1 1242 Los Angeles San Gabriel Mountains, Little Rock Creek, just N of jct. of Forest Rd. 4N15 and 4N04.3 1219 Comment
  RSA748886  Epilobium glaberrimum R. G. Swinney 2001-8-11 8035 Los Angeles Lamel Springs on north slope of Mt. Baden-Powell, 1.5 miles south of Vincent Gap. 2375 Comment
  SD144135  Epipactis gigantea Scott D. White 1997-5-21 5203 Los Angeles San Gabriel Mountains, San Gabriel River Canyon, north of Azusa, parallel to Highway 39, canyon bottom and adjacent slopes along unnamed dirt access road to guaging stattion below Morris Dam. Common in steep colluvial soil along roadside near a seep. 245 Comment
  UC845351  Epipactis gigantea C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-5-13 4748 Los Angeles Bouquet Canyon 700 Comment
  RSA0034625  Epipactis gigantea Bonnie C. Templeton 1936-5-18 5665 Los Angeles San Gabrie1 Canyon, 1/2 mile below dam. [San Gabriel Mounntains]. Comment
  RSA0051507  Epiphyllum Carol Haines 1964-5-18 s.n. Los Angeles Artique Road, Topanga, Santa Monica Mountains. 289 Comment
  JEPS60143  Equisetum arvense Louis C. Wheeler 1933-8-20 2090 Los Angeles Pine Canyon Dam; San Gabriel Mts., San Gabriel Canyon 304 Comment
  LA94617  Equisetum laevigatum Lawrence L. Kiefer; 1966-5-7 1998 Los Angeles 30 Comment
  RSA610970  Equisetum laevigatum L. C. Wheeler 1970-6-28 s.n. Los Angeles Little Fish Fork, Fish Fork Camp 2011 Comment
  RSA0050048  Equisetum laevigatum Wendy Boes, Andrew Wheeler 2009-7-13 2009 -046 Los Angeles San Gabriel Mountains; Crystal Lake Recreation Area, Big Cienega Springs Forest Service RD 3N07.2. 1981 Comment
  UCR51517  Eragrostis barrelieri A. C. Sanders 1987-9-18 7383 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar Blvd. 38 Comment
  POM275306  Eragrostis minor Lyman Benson 1944-10-10 11551 Los Angeles Claremont 351 Comment
  CAS-BOT-BC162974  Eremothera boothii subsp. decorticans A. Davidson 1906-6-5 s.n. Los Angeles Big Rock Creek Comment
  UCR270456  Eriastrum densifolium R. G. Swinney 2011-6-30 15416 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA0104116  Eriastrum densifolium subsp. elongatum L. E. Hoffman 1929-6-23 s.n. Los Angeles Mouth [of] Pacoima Canyon. San Gabriel Mountains, Angeles Forest. Comment
  RSA469270  Eriastrum filifolium Blanche Trask 1901-05 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  UCR108211  Eriastrum rosamondense Steve Boyd, Kent Hughes 1998-5-5 10189 Los Angeles West Mojave Desert, Antelope Valley, along Hwy 138 (West Ave. D), west of the junction with Hwy 14, at intersection with 140th Street, c. 4 mi. SW of Rosamond Dry Lake 701 Comment
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Mar 29 2014
  UC450781  Eriastrum sapphirinum F. A. MacFadden 1931-7-1 2956 Los Angeles Tuna Canyon Verdugo Hills Comment
  UC284176  Eriastrum sapphirinum P. A. Munz 1923-9-1 7724 Los Angeles near meadow at the Ranger Station; San Antonio Mts., Swartout Valley 1828 Comment
  OBI52134  Ericameria cooperi Larry Kelly, David J. Keil 1988-4-16 56 Los Angeles Along Chesebro rd a few miles from little rock campground Comment
  RSA660429  Ericameria cooperi Orlando Mistretta 1992-5-18 327 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  CAS-BOT-BC131692  Ericameria cooperi var. cooperi Steve Boyd; Lauren Raz 1997-3-26 9365 Los Angeles Liebre Mountains Region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir; west side of mouth of Myrick Canyon 999 Comment
  UC130900  Ericameria cooperi var. cooperi Katharine Brandegee 1909-5-1 Los Angeles Lancaster Comment
  CAS-BOT-BC286891  Ericameria ericoides Geo. B. Grant 1897-9-20 s.n. Los Angeles Redondo Beach Comment
  POM359352  Ericameria ericoides var. ericoides H. de Forest 1928-11-14 s.n. Los Angeles El Segundo. Comment
  RSA0116166  Ericameria linearifolia R. G. Swinney 2011-6-15 15211 Los Angeles San Gabriel Mountains; Chilao Flat, north of south entrance road to Chilao Flat Campground, 0.1 mile west of Angeles Crest Hwy. 1631 Comment
  RSA34906  Ericameria linearifolia D. F. Howe 1947-5-5 s.n. Los Angeles San Gabriel Mts. Comment
  UC1536848  Ericameria linearifolia G. H. True Jr. 1935-3-28 184 Los Angeles w Littlerock 914 Comment
  SBBG137  Ericameria nauseosa var. hololeuca R. Hoffmann 1927-9-23 Los Angeles Lancaster Comment
  CAS-BOT-BC299521  Ericameria palmeri var. pachylepis Robert F. Thorne; D. Propst 1968-5-27 37622 Los Angeles Skull Canyon between Cape and Middle Canyons, Santa Catalina Island 243 Comment
  SFV6721  Ericameria parishii var. parishii R. Johnson Oct 1974 s. n. Los Angeles San Gabriel Mountains Wilson Canyon. 671 Comment
  CAS-BOT-BC293137  Ericameria pinifolia F. Grinnell Jr. 1910-1-1 s.n. Los Angeles Near Pasadena Comment
  SBBG54492  Ericameria pinifolia L. R. Abrams 1916-10-30 6377 Los Angeles near Azusa Comment
  UCR231383  Ericameria pinifolia Dan S. Cooper 2011-10-10 1011- 118 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, Mt. Hollywood just west of the lookout 484 Comment
  UCR280875  Erigeron breweri var. bisanctus R. G. Swinney 2014-5-7 16404 Los Angeles San Gabriel Mountains, east of Valyermo, east end of Holcomb Ridge, 0.35-0.45 miles north of Panorama Rd., 2.5 road miles east of Bob's Gap Road, in north-south arroyo cutting through Holcomb Ridge 1366 Comment
  RSA719736  Erigeron breweri var. covillei R. G. Swinney 1996-8-7 5219 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half of Brown's Flat 1317 Comment
  POM357453  Erigeron breweri var. jacinteus Anstruther Davidson 1916-07 s.n. Los Angeles Mount San Antonio Comment
  UCR209857  Erigeron foliosus R. G. Swinney 2008-7-16 9244 Los Angeles San Gabriel Mtns., Will Thrall Peak, west of Burkhart Saddle 2392 Comment
  SD138470  Erigeron foliosus Darley F. Howe Unknown 10 Los Angeles Claremont Comment
  OBI64701  Erigeron foliosus var. foliosus Scott D. White 2004-8-11 10696 Los Angeles San Gabriel Mts: about 8 air mi W -NW of Wrightwood. E of Fenner Saddle Rd on Pacific Crest trl. T4N R8W, S31, SE 1/4 2195 Comment
  RSA652801  Erigeron foliosus var. foliosus Jim Reutzel 1994-5-29 58 Los Angeles Found only below the ridge of the hill northeast of the reservoir, on a north facing slope. Hills behind Cal Poly Pomona campus. Comment
  RSA601042  Erigeron foliosus var. stenophyllus Steve Boyd, Lauren Raz 1997-6-18 9971 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  CHSC12142  Eriodictyon crassifolium L. M. Mayer 1973-4-21 102 Los Angeles In open canyon floor, ca 2 yds from the rd through Big Tujunga Canyon, ca 3.5 mi ne of the intersection of Foothill Blvd and Mt Gleason Ave. 518 Comment
  CAS-BOT-BC189189  Eriodictyon crassifolium var. nigrescens Alice Eastwood; John Thomas Howell 1937-4-26 3948 Los Angeles Mint Canyon Comment
  CAS-BOT-BC189193  Eriodictyon crassifolium var. nigrescens Louis C. Wheeler 1936-7-1 4204 Los Angeles Bell Canyon, San Gabriel Mountains 944 Comment
  UCD119331  Eriodictyon parryi G. H. Vansell 1936-6-1 s.n. Los Angeles Sawmill Mt. Comment
  RSA455104  Eriodictyon traskiae F. R. Fosberg 1931-5-6 4790 Los Angeles Cape Canyon, Santa Catalina Island. 250 Comment
  SEINET12279763  Eriodictyon trichocalyx M. T. Doutt 1931-1 647 Los Angeles Sierra Madre Mts 1768 Comment
  LA205728  Eriodictyon trichocalyx var. trichocalyx W. B. Welch; 1928-4-15 53 Los Angeles San Gabriel Mountains, Big Tujunga Comment
  POM78923  Eriodictyon trichocalyx var. trichocalyx I. M. Johnston 1925-7-8 s.n. Los Angeles Baldy Lookout. San Antonio Mts. 1768 Comment
  SBBG61887  Eriogonum baileyi P. A. Munz, I. M. Johnston 1928-9-4 11175 Los Angeles Rock Crk 1158 Comment
  LA32289  Eriogonum cinereum Henry J. Thompson; 1958-10-10 1807 Los Angeles 60 Comment
  SBBG61921  Eriogonum cinereum J. Ewan -Aug-1929 1256 Los Angeles Trancas Cyn 7 Comment
  RSA590669  Eriogonum cithariforme var. agninum Tim S. Ross, S. D. Boyd 1990-5-29 2669 Los Angeles Big Pines Hwy, mid-way between Caldwell Lake and Big Rock Springs, on the NE side of the knoll behind which Shoemaker Canyon turns to the NW. 1402 Comment
  RSA659937  Eriogonum davidsonii Orlando Mistretta 1992-5-18 326 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  SBBG126946  Eriogonum davidsonii A. Parikh, N. Gale 2011-6-14 3467 Los Angeles N of Aliso Cyn, 0.2 km W of Angeles Forest Hwy, 1 km S of Aliso Cyn Rd; San Gabriel Mtns 1205 Comment
  UC63982  Eriogonum davidsonii Geo. R. Hall Sept. 1904 Los Angeles Swartout Canyon San Antonio Mts., Swartout Canyon 2133 Comment
  UCR137723  Eriogonum davidsonii L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mtns, Divide between Punchbowl Canyon and Watkins Creek, at end of the road and beginning of Burkhart Trail 1585 Comment
  RSA66185  Eriogonum davidsonii F. W. Peirson 1927-6-29 7680 Los Angeles San Gabriel Mountains: trail to Strawvberry Peak, 2.5 mi. from Switzers 1128 Comment
  RSA393490  Eriogonum elongatum H. L. Bauer 1932-10-1 s.n. Los Angeles Topanga Canyon. Comment
  SEINET4044594  Eriogonum elongatum D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 365 Comment
  RSA393489  Eriogonum elongatum F. R. Fosberg, H. P. Bracelin 1931-6-11 S 5843 Los Angeles Topaga P.O., Topanga Canyon. Comment
  SBBG62014  Eriogonum elongatum var. elongatum R. Hoffmann 1928-11-11 Los Angeles Little Rock Dam Comment
  UC1032004  Eriogonum elongatum var. elongatum G. E. Sindel 1935-1-16 118 Los Angeles 4 mi s Neenach; Angeles National Forest, Tejon Quadrangle Comment
  RSA670802  Eriogonum fasciculatum subsp. foliolosum Joseph M. Keefe 2001-3-16 31129 Los Angeles North crest of Poppy Peak, across street from 1622 Poppy Peak Drive; 0.8 mile southeast of The Eagle Rock, Pasadena, CA 91105. 305 Comment
  UCR214649  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders, Dan S. Cooper 2010-4-30 38140 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA0068455  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-4-1 12143 Los Angeles San Gabriel Mountains: Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., (below burn area of 2009, Station Fire), below Forest Service boundary, from wash bottom to 150 m. to the west and from 50 to 150 meters north of Maclay. 399 Comment
  RSA0091785  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2011-7-7 15426 Los Angeles Colby Ranch (Camp Colby), S end of Inspiration Canyon Tr., in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  UCR223608  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-7-29 11440 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  CAS-BOT-BC253260  Eriogonum fasciculatum var. foliolosum W. R. Dudley 1907-12-8 s.n. Los Angeles Sawpit Canyon near Monrovia Comment
  POM306342  Eriogonum fasciculatum var. foliolosum Henry J. Ramsey, Henry J. Ramsey 1937-8-23 1424 Los Angeles Altadena. Comment
  RSA393423  Eriogonum fasciculatum var. foliolosum T. S. Clare 1931-1-1 14617 Los Angeles San Gabriel Mountains: mountain side above Camp Orchard 1220 Comment
  RSA578122  Eriogonum fasciculatum var. foliolosum Tim S. Ross, S. D. Boyd 1994-9-20 8228 Los Angeles 2 miles NW of Acton: sandy wash, S side of intersection Escondido Canyon Road and Red Rover Mine Road. 884 Comment
  RSA657199  Eriogonum fasciculatum var. foliolosum Joseph M. Keefe 2001-1-19 30974 Los Angeles Verdugo Mountains: Big Tujunga Wash, 200 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles. 385 Comment
  CAS-BOT-BC250115  Eriogonum fasciculatum var. polifolium I. Johnston 1917-6-5 1240 Los Angeles Hills south of Arlington 365 Comment
  SD124470  Eriogonum fasciculatum var. polifolium Barry Prigge 1986-3-29 7163 Los Angeles San Gabriel Mountains: E of Red River Mine Road x Antelope Valley Freeway on Escondito Canyon Road 3000 Comment
  UC128613  Eriogonum fasciculatum var. polifolium H. M. Hall 1905-7-23 6720 Los Angeles Elizabeth Lake Comment
  UC83226  Eriogonum fasciculatum var. polifolium C. F. Baker 1903-8-2 3454 Los Angeles San Antonio Canyon near Claremont; San Antonio Canyon Comment
  RSA393375  Eriogonum giganteum var. giganteum Anstruther Davidson 1891-6-26 s.n. Los Angeles Santa Catalina Island Comment
  UCR179666  Eriogonum gracile R. G. Swinney 1989-8-5 s.n. Los Angeles San Gabriel Mtns., base of the mtns. near the city of Glendora; Glendora Ridge Motorway, 0.5 mi west of Glendora Mountain Rd. 732 Comment
  CAS-BOT-BC253435  Eriogonum gracile Ernest Braunton 1902-7-6 528 Los Angeles Elysian Park Comment
  RSA393230  Eriogonum gracile var. gracile G. J. Hoffenberg 1928-7-24 s.n. Los Angeles El Segundo. Comment
  UCR117228  Eriogonum gracillimum B. G. Pitzer 1998-5-12 3697 .2 Los Angeles Western Mojave Desert, c. 18 air mi. NW of Adelanto & 12.8 mi (airline) west of the San Bernardino Co. line, 240th Street East, c. 3.1 road mi. north of junction with El Mirage Rd. (= Ave. 'P'), 0.25 mi. east of 240th St., and c. 3.4 mi. south of Ave. 'J 866 Comment
  RSA393217  Eriogonum grande var. grande E. S. Spalding s.n. Los Angeles Banning Beach, Santa Catalina Island. Comment
  RSA5993  Eriogonum grande var. grande Carl B. Wolf 1932-10-6 4248 Los Angeles West side of Avalon, Santa Catalina Island. 61 Comment
  RSA762732  Eriogonum heermannii R. G. Swinney 2008-8-13 9408 Los Angeles junction of High Desert Recreational Trail (10W09) and Dorr Canyon, 0.6 mi. south of Big Rock Creek Rd. 1634 Comment
  RSA639164  Eriogonum microtheca var. corymbosoides Valerie L. Soza, LeRoy Gross 1999-9-15 648 Los Angeles Burkhart Trail, north of junction with Rattlesnake Trail. 1768 Comment
  SBBG64057  Eriogonum mohavense R. Hoffmann 1927-9-23 Los Angeles Palmdale Comment
  UCR124548  Eriogonum nudum var. pauciflorum B. C. Templeton 1932-7-21 5046 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  POM13371  Eriogonum nudum var. pauciflorum P. A. Munz 1922-7-22 6126 Los Angeles San Antonio Canyon, San Gabriel Mountains 1829 Comment
  JEPS56545  Eriogonum palmerianum Ralph Hoffmann 1927-9-23 2689 Los Angeles Palmdale Comment
  CAS-BOT-BC257754  Eriogonum parvifolium A. J. McClatchie 1893-7-3 149 Los Angeles Redondo Comment
  CAS-BOT-BC258229  Eriogonum pusillum R. F. Thorne; Walter Wisura; Suzanne Granger; Pamela Burton 1982-4-20 54982 Los Angeles San Gabriel Mountains: Mojave Desert slopes; 1/4-1/2 mile north of Bob's Gap, north slope of Holcomb Ridge, about 2.5 miles due south of Llano 1158 Comment
  JEPS56461  Eriogonum pusillum Frank W. Peirson 1923-8-31 4006 Los Angeles Blue Ridge San Gabriel Mountains, Blue Ridge Comment
  RSA729485  Eriogonum pusillum R. G. Swinney 1999-6-21 7367 Los Angeles Big John Flat. Flat area with coarse sandy granitic gravel. 1622 Comment
  RSA250584  Eriogonum pusillum Robert F. Thorne 1973-5-11 43503 Los Angeles San Gabriel Mountains: near mouth of Big Rock Creek Canyon 1204 Comment
  RSA596307  Eriogonum saxatile Tim S. Ross, S. D. Boyd, Peter Fritsch 1990-6-11 3376 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
  SBBG65509  Eriogonum thurberi R. Hoffmann 1928-7-9 Los Angeles Little Martinez Crk, 3 mi W of Castaic 205 Comment
  UC849300  Eriogonum thurberi Alice Eastwood 1906-6-5 251 Los Angeles Roscoe near Los Angeles; Roscoe Comment
  RSA590617  Eriogonum thurberi Tim S. Ross, S. D. Boyd 1990-6-4 2795 Los Angeles ridge separating Moody Canyon (on the E) from Mill Canyon and Bootleggers Canyon (on the W). 1036 Comment
  UCR209967  Eriogonum umbellatum var. munzii R. G. Swinney 2008-7-15 9230 Los Angeles San Gabriel Mtns., Cloutburst Summit, north of Hwy 2 and west of Winston Peak trail 2140 Comment
  UCR223240  Eriogonum umbellatum var. munzii R. G. Swinney 2009-7-23 11375 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
  UCSB9111  Eriogonum vimineum Hoffmann, Ralph 1928-11-9 Los Angeles Acton Comment
  CAS-BOT-BC264878  Eriogonum viridescens Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-22 3721 Los Angeles Eastern half of the ridge, directly N of Fenner Canyon, Pinyon Ridge, San Gabriel Mountains 1990 Comment
  RSA774620  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2009-7-29 11422 Los Angeles Pacifico Mountain summit. 2134 Comment
  UC1348955  Eriogonum wrightii var. subscaposum Robert F. Thorne, M. Z. Thorne 1966-8-29 36589 Los Angeles slope on ridge at s end of Crystal Lake at upper end of canyon on N Fork of San Gabriel River San Gabriel Mts., Angeles National Forest, Crystal Lake 1706 Comment
  CAS-BOT-BC297913  Eriophyllum confertiflorum Louis C. Wheeler 1931-11-20 366 Los Angeles 2 miles N Claremont 411 Comment
  CAS-BOT-BC297917  Eriophyllum confertiflorum Joseph Andorfer Ewan 1936-8-9 10027 Los Angeles On road cut, 0.5 mile N of Bald Flat on Blue Ridge, San Gabriel Mts 2529 Comment
  CAS-BOT-BC297925  Eriophyllum confertiflorum LeRoy Abrams 1901-4-3 1264 Los Angeles Santa Monica Mts 243 Comment
  RSA670349  Eriophyllum confertiflorum B. C. Templeton 1931-5-17 1214 Los Angeles Bouquet Canyon, San Gabriel Mountains. Comment
  UCR271896  Eriophyllum confertiflorum R. G. Swinney 2010-4-28 12410 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  JEPS30630  Eriophyllum confertiflorum var. confertiflorum Peter H. Raven 1959-5-3 14088 Los Angeles Woodrow Wilson Drive, 1.6 mi w Cahuenga Pass; Santa Monica Mountains, Woodrow Wilson Drive 304 Comment
  RSA651117  Eriophyllum confertiflorum var. confertiflorum Shlomo Gat 1959-5-15 53 Los Angeles San Dimas [Canyon] Comment
  RSA357919  Eriophyllum confertiflorum var. confertiflorum F. R. Fosberg 1931-8-8 S 5633 Los Angeles San Gabriel Mountains. 1500 Comment
  CAS-BOT-BC308346  Eriophyllum nevinii Ira L. Wiggins 1949-2-22 11966 Los Angeles Near north-east end of San Clemente Island 38 Comment
  RSA188205  Eriophyllum nevinii R. F. Thorne, Percy C. Everett 1965-6-22 34859 Los Angeles Santa Catalina Island; along Upper Pebble [Pebbly] Beach road 30 Comment
  RSA678891  Eriophyllum nevinii Mark A. Elvin, Dylan Hannon, Gery Allan, Curtis Clark 1996-4-19 147 Los Angeles San Clemente Island. 30 Comment
  UCR65219  Eriophyllum nevinii F. R. Fosberg 1931-7-16 S 5609 Los Angeles Channel Islands, Santa Catalina Island, Avalon 5 Comment
  UCR150842  Eriophyllum pringlei R. G. Swinney 1998-4-14 5974 Los Angeles San Gabriel Mtns./Southern Mojave Desert, Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands 1299 Comment
  UCR205848  Eriophyllum wallacei R. G. Swinney 2008-5-8 8818 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  UCR269987  Eriophyllum wallacei R. G. Swinney 2010-5-19 12800 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  CATA2022  Erodium brachycarpum Steven A. Junak, Mark Hoefs, Keri Kirkland 1998-4-5 549 Los Angeles Santa Catalina Island: Along W side of road to Toyon Bay, 1.4 road miles from intersection with Airport Road, near ironwood overlook deck 182 Comment
  CAS-BOT-BC168145  Erodium cicutarium Timothy S. Ross; Steve Boyd 1994-5-4 7638 Los Angeles San Francisquito Canyon: Headwaters of the canyon, NE of Green Valley; ca 600 m SW of summit of grade; ca 2460 m ESE of Grass Mtn summit 1075 Comment
  RSA657210  Erodium cicutarium Joseph M. Keefe 2001-1-19 30996 b Los Angeles Big Tujunga Wash, 300 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles, 91040. 384 Comment
  UCR186907  Erodium cicutarium A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32031 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
  UCR90276  Erodium cicutarium Karen Kirtland 1993-4-10 s.n. Los Angeles Western Mojave Desert, Lancaster, east of 10th Street E between Avenue 'F' and 'G 709 Comment
  RSA391811  Erodium cicutarium Unspecified 1930-6-30 499 Los Angeles Del Rey. 3 Comment
  RSA390953  Erodium macrophyllum Samuel R. Tyson 1943-4-13 s.n. Los Angeles San Dimas Canyon. 366 Comment
  CHSC99448  Erodium moschatum LeRoy Gross 2000-4-9 167 Los Angeles City of Sunland: Bluff south side of Big Tujunga Wash, weed in yard in housing tract called Sunhill Estates. 365 Comment
  RSA724807  Erysimum capitatum K. Dobry 1991-6-24 d- 735 Los Angeles At Soka Univ. Santa Monica Mts. Las Virgenes and Mulholland Hwy. Comment
  SFV9379  Erysimum capitatum M. L. Vincent, L. Swade 1964-4-2 477 Los Angeles San Gabriel Mountains Mint Canyon. Solemint Canyon Road, 2 miles north of Solemint Store. 500 Comment
  UCR205609  Erysimum capitatum R. G. Swinney 2008-5-13 8849 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, Holcomb Canyon, 0.5 mi. south of Big Rock Creek Rd. 1293 Comment
  RSA329731  Erysimum capitatum Gary D. Wallace 1966-3-25 206 Los Angeles San Gabriel Mountains: Millard Canyon 5 miles north of Pasadena 915 Comment
  POM143113  Erysimum capitatum var. capitatum C. F. Baker 1904-4-30 4753 Los Angeles Claremont. 365 Comment
  SBBG91997  Erysimum capitatum var. capitatum M. N. Ackley -May-1926 130 Los Angeles Ranger Station, Big Tujunga 511 Comment
  RSA649643  Erysimum capitatum var. capitatum Michael Horn 1991-5-3 19 Los Angeles San Gabriel Mountains, Topo.: Mescal Creek, Calif., T4N R8W 15SWSWSW. Take dirt road 4N06 2 1/2 miles north of Hwy CN4 to reservoir. East 1/8 mile on unnamed dirt road to site. 1463 Comment
  SEINET5736547 Image available Erythrina macrophylla M. Reynolds, E. McClintock 1943-1 173 Los Angeles UCLA Botanical Garden.; UCLA Botanical Garden Comment
  LA91407  Eschscholzia caespitosa Bruce Douglas Clayton; Greg Shaw 1972-3-16 sn Los Angeles Santa Monica Mountains, Mountain Park Research Campus, E side of road near turn-out 594 Comment
  RSA0042640  Eschscholzia californica Regina Allen 1983-5-16 s.n. Los Angeles Evey Canyon in San Gabriel Mts. 1 mi. north of San Antonio Dam off Mt. Baldy Rd. Comment
  RSA652140  Eschscholzia californica Frank W. Hedges 1948-5-9 s.n. Los Angeles 517 W. Puente, Covina. 170 Comment
  RSA251403  Eschscholzia ramosa Robert F. Thorne 1966-4-15 36010 Los Angeles San Clemente Island, rocky sea-bluff 1/2 mile SSE of Eel Point, SW side of island 3 Comment
  RSA251480  Eschscholzia ramosa Robert F. Thorne 1973-4-11 42805 Los Angeles San Clemente Island, upper part of Middle Ranch Canyon. 381 Comment
  RSA158270  Eucrypta chrysanthemifolia Peter H. Raven 1962-5-10 17727 Los Angeles Head of Horse Canyon, the large canyon west of Thirst, San Clemente Island 488 Comment
  RSA747328  Euphorbia albomarginata R. G. Swinney 2005-8-11 8439 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  UCD142568  Euphorbia melanadenia Fay A. MacFadden 1931-3-4 s.n. Los Angeles Tuna Canyon. Comment
  SBBG31145  Euphorbia peplus R. F. Thorne 1966-5-31 36426 Los Angeles Avalon 7 Comment
  RSA651897  Euphorbia polycarpa Eleanor McClung 1957-4-15 114 Los Angeles Griffith Park. Comment
  UCR126621  Euphorbia serpillifolia A. C. Sanders, Mark Elvin 2003-8-7 27167 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  SD181570  Euphorbia spathulata Valerie Soza, Ian Gillespie and LeRoy Gross 2000-5-18 94 Los Angeles San Gabriel Mountains; San Dimas Experimental Forest, southwest of Johnstone Peak, above Wildwood Canyon. 655 Comment
  SEINET3245920  Festuca myuros R. G. Swinney 2008-1 8569 Los Angeles San Gabriel Mtns.: San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn. 354 Comment
  UCR223575  Festuca myuros R. G. Swinney 2009-6-3 11035 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
  RSA0089286  Ficus microcarpa R. E. Riefner Jr. 215-05-02 15 -141 Los Angeles City of Glendale, Los Angeles River, Glendale Narrows Riverwalk, Flower St. W of Fairmont Ave. 146 Comment
  UCR267287  Ficus microcarpa R. E. Riefner Jr. 2015-7-19 15- 200 Los Angeles city of Carson, E side of 110 Freeway along 190th St., E side of the Dominguez Channel 11 Comment
  RSA157788  Filago arizonica Peter H. Raven 1962-5-8 17592 Los Angeles Slopes above Seal Cove, San Clemente Island 24 Comment
  RSA584021  Filago californica Timothy S. Ross, Steve Boyd 1991-4-25 4582 Los Angeles San Gabriel Mtns: Steep slope dropping S from Doe Flat toward Graveyard Canyon (which drains to the lower E Fork of the San Gabriel River). 731 Comment
  RSA638943  Filago californica L. C. Wheeler 1967-5-15 9563 Los Angeles Ridge immediately east of Fremont Pass. 579 Comment
  RSA545198  Filago californica Timothy S. Ross 1992-5-17 6334 Los Angeles San Gabriel Mountains. Center W side of the San Gabriel Reservoir. Short easterly spur canyon along Highway 39 463 Comment
  SEINET10454760  Foeniculum vulgare Jon Ricketson, Heidi H. Schmidt; Janet Takara 1992-10-20 Ricketson 4792 Los Angeles Santa Catalina Island; Catalina Conservancy Land. Eastern most Bumpgate in Middle Canyon, along Middle Canyon Trail (Road). Between Middle Ranch Junction and Cape Canyon Trail. 8-9 miles west of the city of Avalon. Collections made in cooperation with the Catalina Conservancy. 250 Comment
  UCR149937  Forestiera pubescens R. G. Swinney 1997-9-6 5867 Los Angeles San Gabriel Mtns, Wash at the base of Foothill Canyon [Mescal Crk Cyn?], 0.9 mi west of Forestry Service Rd 4N06 at 233rd St. 1415 Comment
  UCR256847  Frangula californica R. G. Swinney 2010-8-16 13555 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  CAS-BOT-BC52539  Frangula californica subsp. californica Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-25 3834 Los Angeles Vicinity of Crystal Lake: Crystal Lake USGS 7.5' Quad. 1700 Comment
  RSA391382  Frankenia grandifolia F. R. Fosberg 1931-5-17 S 4885 Los Angeles Little Harbor, Santa Catalina Island. 1 Comment
  CATA348  Frankenia salina Mark L. Hoefs 1973-7-20 391 Los Angeles Santa Catalina Island: By main road at Little Harbor 4 Comment
  CAS-BOT-BC223421  Fraxinus dipetala Henry J. Thompson 1959-3-31 1909 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Lobo Canyon, about 2 miles west of Cornell 274 Comment
  SBBG105550  Fraxinus dipetala T. Ross, S. Boyd 1994-5-10 7714 Los Angeles Warm Springs Cyn, NNE off the face of Warm Springs Mtn, ca. 1250 m WNW from the cyn's effluence into Elizabeth Lake Cyn 667 Comment
  POM1727  Fritillaria biflora Philip A. Munz 1918-4-11 2054 Los Angeles Lone Hill near Glendora. Comment
  PASA567  Fritillaria biflora Margaret Stason 1932-3-15 Los Angeles Wooded Hillside near Glendora Comment
  RSA749240  Galium R. G. Swinney 2005-8-11 8461 Los Angeles Big Rock Creek at Paradise Springs. 1439 Comment
  CATA1799  Galium angustifolium Benjamin E. Carter 2012-8-23 6983 Los Angeles Santa Catalina Island: Middle Ranch Canyon, at Pump Station 2 309 Comment
  RSA0069874  Galium angustifolium R. G. Swinney 2010-5-7 12603 Los Angeles Lake View Terrace, Oliver Canyon mouth, west of debris basin, 0.35 air miles north of I-210 Fwy, NW side of jct. of 'BP and L Rd'? and Jimenez St./Dominica Ave. 378 Comment
  UCR252558  Galium angustifolium R. G. Swinney 2010-6-21 13251 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
  JEPS19542  Galium angustifolium subsp. angustifolium Peter H. Raven 1957-9-21 11358 Los Angeles 2.5 mi above U.S. 101A; Santa Monica Mountains, Topanga Canyon Comment
  SBBG95238  Galium angustifolium subsp. angustifolium M. B. Dunkle 1928-4-13 1873 Los Angeles Renton Mine Rd 365 Comment
  SD253545  Galium angustifolium subsp. angustifolium R. G. Swinney 2011-5-31 14902 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek (Chilao Flat 7.5'Q) 1096 Comment
  UC1408983  Galium angustifolium subsp. angustifolium Robin S. Collins 1973-5-15 290 Los Angeles Trail Cyn. Angeles National Forest, San Gabriel Mts. 640 Comment
  POM367678  Galium angustifolium subsp. angustifolium Anstruther Davidson 1899-6-25 s.n. Los Angeles Santa Monica. Comment
  RSA367662  Galium angustifolium subsp. angustifolium Roger Minahan 1934-06 20150 Los Angeles Valermo. Comment
  RSA582967  Galium angustifolium subsp. angustifolium Tim S. Ross, Janet Takara 1993-4-23 6935 Los Angeles Santa Catalina Island. SW part of the island in Cape Canyon. 244 Comment
  RSA607024  Galium aparine Louis C. Wheeler 1968-5-24 s.n. Los Angeles San Gabriel Mountains: Northwest slope of Smith Mountain, along Bear Creek Trail. 1280 Comment
  JEPS114006  Galium californicum subsp. flaccidum Timothy S. Ross and Steve Boyd 1993-5-23 7246 Los Angeles Lower, easterly ridge of Red Mountain, on N to NE slope ca 500-570 m SE of the saddle between Ruby and Clearwater Canyons. Comment
  POM147960  Galium catalinense subsp. catalinense Marcus E. Jones 1927-5-29 5 M-11-26 Los Angeles Isthmus, Catalina Island. Comment
  SBBG119257  Galium grande V. Soza with K. Hughes 1999-7-1 605 Los Angeles Van Tassel Ridge, off Van Tassel Ridge Rd, vicinity of Mt Bliss; T1N R10W N/2, SE/4 S8 1036 Comment
  SBBG119355  Galium grande V. Soza with M. Acosta 2001-6-19 1296 a Los Angeles Mt Wilson Trail helispot, W side Little Santa Anita Cyn, ca. 2 mi from the Mt Wilson trailhead, Sierra Madre; T1N R11W S8, NE/4, NE/4) 823 Comment
  RSA0005750  Galium hallii L. R. Abrams, E. A. McGregor 1908-7-3 598 Los Angeles North Baldy Mt., Rock Creek Canyon. 1524 Comment
  JEPS56045  Galium jepsonii Lauramay T. Dempster and Clare Hardham 1965-6-16 4120 Los Angeles Angeles Crest Hwy 3 mi e Upper Chilao Recreation Area; San Gabriel Mountains 1950 Comment
  RSA0013556  Galium johnstonii Orlando Mistretta, Christine Mistretta 2011-6-30 5784 Los Angeles North Fork Mill Creek; along Forest Road 3N27 1200 Comment
  RSA0051344  Galium johnstonii Valerie Soza 2004-6-17 1722 a Los Angeles San Gabriel Mountains, ca. 1 miles east of Three Pionts, south side of Hwy 2. 1847 Comment
  RSA585904  Galium johnstonii Tim S. Ross, Steve D. Boyd 1990-5-23 2612 Los Angeles Mt Gleason area: north-northwesterly ridge decending from Messenger Peak (6015 ft) near the headwaters of Mill canyon and Moody Canyon. 1720 Comment
  RSA586820  Galium johnstonii Orlando Mistretta, Steve D. Boyd 1995-6-21 1374 Los Angeles Santiago Canyon drainage northwest of Pacifico Mtn 1890 Comment
  SD70484  Galium johnstonii Lauramay Dempster, Clare Hardham 1965-6-16 4118 Los Angeles South slope, on Angeles Crest highway, just south of Upper Chilao Recreation Area, San Gabriel Mountains (mak 10/07) Comment
  CATA1379  Galium parisiense Mark L. Hoefs, Robert F. Thorne, Janet Takara, Misty Gay 1995-7-27 2501 Los Angeles Santa Catalina Island: Lower Bulrush Reservoir 289 Comment
  SBBG131532  Galium parisiense S. A. Junak 1999-7-17 SCa 1073 Los Angeles Middle Ranch, Janet Takara's house 213 Comment
  RSA585533  Galium porrigens var. porrigens Tim S. Ross 1992-4-21 6225 Los Angeles W and SW of Horse Canyon Saddle; along an old roadcut (ultimately joining Lower Monroe Road) that marks the NW boundary of the San Dimas Experimental Forest. 1042 Comment
  SDSU10622  Galvezia speciosa R. M. Beauchamp 1967-3-19 312 Los Angeles Behind (south of) Wilson Cove Pier. San Clemente Island. Comment
  CAS-BOT-BC303401  Gamochaeta ustulata Tim Ross; Janet Takara 1993-4-23 6943 Los Angeles Santa Catalina Island: upper E side of Cottonwood Canyon drainage, ca 1035 m WNW of Black Jack Mtn summit 435 Comment
  SBBG39629  Gamochaeta ustulata E. R. Blakley 1963-4-10 5578 Los Angeles jct of White's Landing and Airport Rd, NE side of Black Jack Mtn 365 Comment
  RSA517154  Garrya flavescens Tim S. Ross 1990-10-9 3251 Los Angeles San Gabriel Mtns: Mill Creek Drainage, Tujunga Ranger Distric, Angeles National Forest. 1460 Comment
  CAS-BOT-BC159268  Garrya veatchii J. Ewan 1931-3-21 7073 Los Angeles Open stony fire-break. At summit of Saddle Peak. Santa Monica Mts. 822 Comment
  LA40304  Garrya veatchii Joseph Andorfer Ewan; 1932-6-18 7354 Los Angeles San Gabriel Mountains, Clear Creek Fork of Tujunga Canyon 761 Comment
  RSA392388  Garrya veatchii Louis C. Wheeler 1932-5-29 792 Los Angeles Hogback, San Antonio Canyon. 1128 Comment
  POM249875  Gaura odorata E. Johnson 1939-8-19 s.n. Los Angeles End of Reposada Drive, north Whittier Heights. Comment
  UCR202514  Gayophytum R. G. Swinney 2001-8-9 8015 Los Angeles San Gabriel Mtns., Mount Williamson, third peak from east on the ridge 2513 Comment
  UCR146682  Gayophytum decipiens Orlando Mistretta 1993-6-16 883 Los Angeles San Gabriel Mountains, On bench below Devils Backbone Ridge 2530 Comment
  RSA0107659  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-6-23 15299 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station. 1570 Comment
  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
  SD255805  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2008-7-16 9251 Los Angeles San Gabriel Mountains: Will Thrall Peak, west of Burkhart Saddle (Juniper Hills 7.5'Q) 2378 Comment
  UCR129377  Gayophytum diffusum subsp. parviflorum Orlando Mistretta 1995-7-11 1879 Los Angeles San Gabriel Mtns, Santiago Canyon. N slope of Pacifico Mtn, near summit 2073 Comment
  SBBG125460  Gayophytum heterozygum A. Parikh, N. Gale 2010-6-18 3328 Los Angeles upper Big Tujunga Cyn, 1.2 km N of St Hwy 2, 0.4 km W of upper Big Tujunga Cyn Rd, San Gabriel Mtns 1220 Comment
  RSA311355  Gayophytum oligospermum Robert F. Thorne, M. Z. Thorne 1969-7-10 38397 Los Angeles San Gabriel Mountains, Angeles National Forest: just E of Holiday Hill Ski area, Swartout Valley 1997 Comment
  UCR179710  Gayophytum oligospermum R. G. Swinney, Dave Larson 1996-7-17 5124 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  UC2029997  Genista canariensis Valerie Soza, LeRoy Gross 2001-4-18 1139 Los Angeles Transverse Ranges, San Gabriel Mountains region: Santa Anita 1999 Fire Area, between Little Santa Anita and Santa Anita Canyons, southern end of FS Road 2N40 (San Olene Station). Comment
  UCR65281  Genista monosperma Steve Boyd 1990-2-3 3828 Los Angeles San Gabriel Mtns., San Gabriel Mountains, base of range at Padua Hills, just west of mouth of San Antonio Canyon Comment
  CATA489  Geranium carolinianum Sara L. Crockett 1997-4-1 631 Los Angeles Santa Catalina Island: 0.3 mile WNW on Two Harbors Road from jct. with upper road leading into Little Harbor CG; old road leading to power poles on N side of road 45 Comment
  RSA604533  Geranium carolinianum Sara L. Crockett 1997-4-1 631 Los Angeles Santa Catalina Island. 0.3 miles WNW on Two Harbors Road from jct. with upper road leading into Little Harbor CG; old road leading to power poles on N side of road. 46 Comment
  RSA470047  Gilia aliquanta subsp. aliquanta Robert Gustafson, Gary D. Wallace 1982-4-26 2524 Los Angeles Mojave Desert, Fort Tejon Road, about 1 mile W of the junction of 121st St 1006 Comment
  POM157986  Gilia angelensis M. B. Dunkle 1928-3-17 1743 Los Angeles Santa Catalina Island. Johnson's [canyon/landing]. 61 Comment
  RSA724535  Gilia angelensis K. Dobry 1991-5-13 481 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  RSA127822  Gilia angelensis H. J. Thompson, P. H. Raven 1959-4-3 13924 Los Angeles Just to east of Malibu Junction. 244 Comment
  RSA33654  Gilia angelensis N. C. Cooper 1944-4-23 1099 Los Angeles Pomona. 259 Comment
  RSA600151  Gilia brecciarum subsp. brecciarum Steve Boyd, Lauren Raz 1997-5-1 9646 Los Angeles Liebre Mountains Region: Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-southeast of Lincoln Crest, the head of Bouquet Canyon. 1463 Comment
  UCR280902  Gilia cana R. G. Swinney 2014-4-23 16177 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains 1256 Comment
  IRVC26495  Gilia capitata A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26141 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
  SFV22137  Gilia capitata subsp. abrotanifolia V. Soza, E. Edwards, L. Gross, B. O'Brien 2000-4-25 758 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mountainway. Open, west-northwest-facing slope below trail along ridgetop. 488 Comment
  POM3517  Gilia capitata subsp. abrotanifolia Anson Lisk 1903-05 s.n. Los Angeles Collected near Pasadena. Comment
  UCR270061  Gilia latiflora R. G. Swinney 2011-4-20 14445 Los Angeles San Gabriel Mountains, Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 mile upstream in Hunt Cyn. 1268 Comment
  SD108951  Gilia latiflora James Henrickson 1973-5-12 9583 Los Angeles 9.0 miles southwest of Little Rock, 0.2 mile south of Mt. Emma Rd. along Highway N3. 1189 Comment
  RSA716224  Gilia latiflora subsp. davyi Andrea Edwards, Pam De Vries 2006-4-11 73 Los Angeles Triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. Site includes sections of Gorman Creek, San Andreas Rift Zone, and Peace Valley. 1037 Comment
  RSA526523  Gilia nevinii Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4262 Los Angeles San Clemente Island: lower half of China Cyn, S end of island, W side. Comment
  UCR194149  Gilia ochroleuca A. C. Sanders 2008-4-25 35107 Los Angeles Transverse Range; Western San Gabriel Mtns., SLOPES WEST OF OLD LA LIEBRE RANCH, SOUTH OF HWY 138 1000 Comment
  SBBG58387  Gilia ochroleuca subsp. bizonata R. Hoffmann 1929-4-28 Los Angeles Harold Comment
  SD42390  Gilia ochroleuca subsp. exilis Carl B. Wolf 1935-5-6 6733 Los Angeles Liebre Mountains, 0.5 mile east of Gorman. 1157 Comment
  LA206805  Gilia ochroleuca subsp. ochroleuca T. Craig; 1927-6-8 433 Los Angeles Bear Canyon trail to summit of Mt. San Antonio 2133 Comment
  SBBG118565  Gilia ochroleuca subsp. vivida L. C. Wheeler 1970-7-25 Los Angeles Heliport, ca. 0.3 mi N of South Mt Hawkins 2286 Comment
  RSA771843  Gilia splendens R. G. Swinney 2009-5-28 10936 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  LA32025  Glebionis coronaria Henry J. Thompson; 1959-5-24 2000 Los Angeles Santa Monica Mountains, Tuna Canyon, 1.5 mi N of Coast Hwy, Tuna Canyon Rd 243 Comment
  UCR162637  Glycyrrhiza lepidota Anuja Parikh, Nathan Gale 2004-6-17 2052 Los Angeles Santa Clara River Valley, Newhall Ranch (study area 44) in vicinity of confluence of Castaic Creek and Santa Clara River 290 Comment
  HSC5675  Glyptopleura setulosa C. S. Apperson 1966-4-24 Los Angeles Junction of 240th St. and Ave. R8. Pearblossom area Comment
  UCR180022  Gnaphalium canescens R. G. Swinney, Dave Larson 1996-8-7 5224 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, southern third of west half of Brown's Flat 1317 Comment
  UCR273047  Gnaphalium palustre R. G. Swinney 2011-6-1 14956 Los Angeles San Gabriel Mountains, Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy 1113 Comment
  RSA690963  Goodmania luteola J. Mark Porter, Laren Machen 2004-5-2 14095 Los Angeles Antelope Valley; along California Highway 138 (Avenue D) several miles W of Interstate 14. 704 Comment
  UCR149847  Grayia spinosa Scott D. White, Michael Honer 2004-3-30 9975 Los Angeles W Mojave Desert, east edge of the City of Palmdale, c. 1 mi west-northwest of 'Four Points 838 Comment
  RSA225679  Guillenia lasiophylla R. F. Thorne, A. C. Gibson 1971-5-22 39752 Los Angeles Angeles National Forest; Fish Canyon 396 Comment
  RSA248889  Guillenia lasiophylla R. F. Thorne 1973-4-11 42860 Los Angeles San Clemente Island, middle portion of Norton Canyon. 274 Comment
  RSA248890  Guillenia lasiophylla R. F. Thorne 1973-4-12 42943 Los Angeles San Clemente Island: Pyramid Cove at S end of island near small point between Triton and Thresher. 6 Comment
  UC63374  Gutierrezia californica Ernest Braunton 1902-7-1 570 Los Angeles Griffith Park Los Angeles, Griffith Park Comment
  LA211202  Gutierrezia californica Arthur C. Gibson; 2003-6-11 4979 Los Angeles SIMI HILLS, NW edge of Chatsworth Reservoir just east of Valley Circle Blvd., near Chatsworth Lake Mano. Comment
  POM153301  Gutierrezia microcephala P. A. Munz, I. M. Johnston 1928-9-5 11170 Los Angeles mouth of Rock Creek 1158 Comment
  JEPS30669  Gutierrezia sarothrae Peter H. Raven and Henry J. Thomson 1959-9-18 14450 Los Angeles University of California, West Los Angeles Santa Monica Mountains 152 Comment
  UCR179566  Gypsophila elegans Scott D. White, Pam DeVries 2004-5-18 10448 Los Angeles Western Transverse Ranges, Eastern Santa Susana Mtns. West of the I-5 Fwy, c. 4 mi N of the I-5 / SH-14 jtn. and 6 mi south of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges 518 Comment
  RSA188226  Harpagonella palmeri R. F. Thorne, P. Everett 1965-6-24 35023 Los Angeles Catalina Island. Rancho Escondido, Escondido Canyon 213 Comment
  SBBG117132  Harpagonella palmeri S. A. Junak with R. N. Philbrick 2001-5-17 SCa 1529 Los Angeles E of Little Harbor, near Sheep Chute Ridge Rd, ca. 0.5 mi from intersection with Little Harbor Rd 121 Comment
  SBBG119983  Harpagonella palmeri A. C. Sanders, T. Wotipka, M. A. Elvin 2003-4-29 26153 Los Angeles Castaic Mesa, Newhall Ranch, NE of the filtration plant, N of Charlie Cyn, 1.2 air mi E Lake Hughes Rd 488 Comment
  CAS-BOT-BC307283  Hazardia squarrosa var. grindelioides Fordyce Grinnell, Jr. 1916-9-2 s.n. Los Angeles Near Pasadena, San Gabriel Mts. Comment
  CAS-BOT-BC307299  Hazardia squarrosa var. grindelioides Peter H. Raven 1959-10-25 14705 Los Angeles Mulholland Highway 1.6 miles west of Decker Road, Santa Monica Mountains 304 Comment
  RSA653518  Hazardia squarrosa var. grindelioides LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 281 Los Angeles Verdugo Mountains: Saddle where Stough Canyon Mountainway and Verdugo Mountainway meet 610 Comment
  RSA167651  Hedypnois cretica Peter H. Raven, R. F. Thorne 1964-5-7 19034 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  POM359730  Hedypnois cretica Robert Gustafson 1981-4-14 2177 Los Angeles Ballona Wetlands, Area 1 Comment
  RSA330786  Helenium bigelovii Wayne E. Sawyer 1981-7-10 85 Los Angeles Angeles National Forest: CA Hwy 2 between Dawson Saddle And junction of CA Hwy 39, 1.8 mi. from Dawson Saddle 2287 Comment
  LA32026  Helenium puberulum Peter H. Raven; 1959-10-25 14713 Los Angeles 91 Comment
  RSA0055996  Helianthus annuus Richard G. Swinney 2010-3-16 11938 Los Angeles San Gabriel Mountains/Verdugo Mountains: confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  SFV21151  Helianthus annuus J. M. Keefe 2001-1-19 30888 Los Angeles Los Angeles Basin Los Angeles, Highland Park. Backyard of 5623 Raber Street, at intersection of Upperton Avenue. 207 Comment
  RSA0036282  Helianthus annuus s.n. Los Angeles Montrose 60 Comment
  RSA225966  Helianthus annuus subsp. lenticularis Arthur C. Gibson 1971-5-22 39723 Los Angeles Fish Creek 549 Comment
  RSA617395  Helianthus gracilentus Scott D. White, Sandy Leatherman 1998-6-4 6657 Los Angeles Castaic Lake area: Grasshopper Canyon watershed, between I-5 Freeway / Old Ridge Route and lake. Proposed North Lake Planned Community. 427 Comment
  RSA660398  Helianthus gracilentus Orlando Mistretta 1992-6-17 587 Los Angeles Road 2N09 EA. Curtiss Haul Road, Cow Canyon. From 2nd drainage down to Cattle Canyon. Comment
  UC88919  Helianthus gracilentus T. S. Brandegee 1898-8-1 Los Angeles Palomar Comment
  RSA588683  Heliotropium curassavicum Orlando Mistretta 1995-7-12 1895 Los Angeles Little Rock Creek, just N of Guard Station along Little Rock Creek, below dam 976 Comment
  RSA704709  Heliotropium curassavicum Gary D. Wallace, C. Black, D. Cohen, R. Lavenburg 1983-6-29 2090 Los Angeles Santa Catalina Island: Twin Harbors area Marine Station. Comment
  RSA747197  Heliotropium curassavicum R. G. Swinney 2005-8-5 8367 Los Angeles Caldwell Lake at Mile High, 0.4 mi. west of jct. of 204th St. East and Big Pines Hwy 1561 Comment
  SEINET12274947  Heliotropium curassavicum J. F. Bright, Wyman, C. 1931-1 5719 Los Angeles collected at Hollywood Comment
  LA82230  Heliotropium curassavicum var. oculatum Peter H. Raven; Henry J. Thompson 1959-6-4 14334 Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  UC32398  Hemizonella minima J. Burtt Davy May 9 1896-May 24 1896 2462 Los Angeles Manzana Antelope Valley Comment
  RSA248823  Hemizonia clementina R. F. Thorne 1973-4-12 42888 Los Angeles San Clemente Island, plateau near Cutlass above old dam. 198 Comment
  RSA54175  Hemizonia clementina C. B. Wolf 1932-5-9 3435 Los Angeles Santa Catalina Island, 0.5 mile from Avalon on road to Pebbly Beach. 7 Comment
  POM360273  Hemizonia fasciculata Wm. Martin, B. Gustafson 1971-7-14 s.n. Los Angeles Corner of Jefferson and Rodeo Blvd., Los Angeles. Comment
  RSA660799  Hesperocnide tenella LeRoy Gross, Valerie Soza 2001-6-6 433 Los Angeles Verdugo Mountains, north side; Hostetter Mountain Way, off of La Tuna Canyon Road. 701 Comment
  SD52943  Hesperocnide tenella Peter H. Raven 1962-5-9 17701 Los Angeles San Clemente Island, canyon just north of Gray 305 Comment
  CAS-BOT-BC280681  Hesperostipa comata A. D. E. Elmer 1902-7-1 s.n. Los Angeles Acton Comment
  CAS-BOT-BC135939  Hesperoyucca whipplei W. R. Dudley; F. H. Lamb 1896-6-8 4385 Los Angeles King's Canyon, Lebre Mountains Comment
  SBBG12777  Heteromeles arbutifolia E. R. Blakley 1961-9-23 4745 Los Angeles beach bluff between Isthmus Harbor and Fisherman's Cove 6 Comment
  UC718207  Heteromeles arbutifolia Carl B. Wolf 1936-1-3 Los Angeles slopes at e side of valley Avalon; Santa Catalina Island 121 Comment
  UC860416  Heteromeles arbutifolia Ira W. Clokey, B. Templeton Nov 1929 4602 Los Angeles Mandeville Canyon; Santa Monica Mountains 300 Comment
  SEINET11897141  Heteromeles arbutifolia Unknown 1945-1 s.n. Los Angeles Altadena Comment
  SEINET6710052  Heteromeles arbutifolia var. macrocarpa G. B. Grant 1901-1 567 Los Angeles Santa Monica Range, southern California Comment
  RSA0074434  Heterotheca grandiflora S. Koukol, E. Lutz 1998-4-26 8 Los Angeles Claremont, along W side of Indian Hill Blvd., 50 m S of Baseline Road. 421 Comment
  RSA0074441  Heterotheca grandiflora Scott D. White, P. De Vries 2004-6-14 10498 a Los Angeles Eastern Santa Susana Mountains. West of the I-5 Freeway, ca. 4 mi N of I-5 / SH-14 jtn and 6 mi S of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  CAS-BOT-BC318867  Heterotheca grandiflora Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-7 4285 Los Angeles Lower half of China Canyon on the south end of the island, west side, San Clemente Island Comment
  RSA0074390  Heterotheca grandiflora F. R. Fosberg 1931-3-19 4302 Los Angeles Hamilton Canyon, near Avalon, Santa Catalina Island 2 Comment
  RSA0074427  Heterotheca grandiflora Fordyce Grinnell Jr. 1917-9-9 s.n. Los Angeles Los Angeles River bottom, near Los Angeles. Comment
  RSA709748  Heterotheca sessiliflora A. C. Sanders, Dave Fleitner, Mark Elvin 2003-8-6 27138 Los Angeles Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters 320 Comment
  CAS-BOT-BC311260  Heterotheca sessiliflora subsp. echioides F. Grinnell Jr. 1917-8-29 s.n. Los Angeles Chiles Flat, San Gabriel Mountains Comment
  UC1586208  Heterotheca sessiliflora subsp. fastigiata Tim Ross 1991-8-16 5803 Los Angeles .20 mi due e confluence of Lucas Creek (roadside, Angeles Forest Highway, Condor Peak USGS 7.5 Quad.); Big Tujunga Canyon 917 Comment
  UCR217817  Heterotheca sessiliflora subsp. fastigiata Dan S. Cooper 2010-8-26 810- 95 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, south side of Zoo Dive, just west of Travel Town 168 Comment
  RSA0063086  Heuchera abramsii P. A. Munz 1922-7-21 6113 Los Angeles Mt. San Antonio, San Gabriel Mountains. 3049 Comment
  UC212588  Heuchera abramsii I. M. Johnston 1918-7-6 2096 Los Angeles summit Baldy (Type Station); San Antonio Mountains 3048 Comment
  SD197767  Hoffmannseggia glauca A. C. Sanders, T. B. Salvato 2009-5-18 36807 Los Angeles San Gabriel Valley: Montebello Hills, north side of the Pomona (60) Freeway, southwest of Greenwood Avenue, south of Potrero Grande Drive, under SCE powerlines near substation. 106 Comment
  CAS-BOT-BC149959  Holodiscus discolor var. discolor Grant 1904-6-5 6275 Los Angeles Milland Canyon Comment
  SD252247  Hordeum depressum Steven A. Junak 1999-5-20 Sca 957 Los Angeles Santa Catalina Island. Along Cottonwood-Black Jack Road. 305 Comment
  CDA2209  Hordeum murinum subsp. glaucum L. C. Wheeler 1973-5-12 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region; San Gabriel Mountains: Gould Mesa Picnic Ground. Comment
  POM158250  Hordeum murinum subsp. glaucum M. B. Dunkle 1928-3-31 1784 Los Angeles Santa Catalina Island. Campo Blanco 152 Comment
  RSA603271  Hordeum murinum subsp. glaucum L. C. Wheeler 1933-5-30 1752 Los Angeles U.C.L.A. Campus, West Los Angeles 137 Comment
  LA33401  Hordeum vulgare Peter H. Raven; 1959-5-3 14097 Los Angeles Santa Monica Mountains, Mulholland Drive at Laurel Pass 350 Comment
  RSA562550  Hordeum vulgare var. trifurcatum Steve Boyd, Orlando Mistretta 1993-5-11 8131 Los Angeles Western San Gabriel Mtns, north of Sylmar and south of Santa Clarita, within rhe Tujunga Ranger District of the Angeles National Forest, along Placerita canyon Road within Placerita canyon 488 Comment
  UCD170959  Horkelia rydbergii R. G. Swinney 2009-7-22 11343 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  RSA0115962  Hulsea heterochroma R. G. Swinney 2010-9-21 13868 Los Angeles San Gabriel Mountains; summit of Mt. Hawkins, at north end of Copter Ridge. 2683 Comment
  CAS-BOT-BC311944  Hulsea heterochroma R. J. Dobbs 1927-6-27 1478 Los Angeles Topango trail just below fire break 1005 Comment
  RSA276043  Hypochaeris glabra Jack Delaini 1974-4-25 125 Los Angeles Lodi Canyon, San Dimas Experimental Forest. 427 Comment
  RSA741417  Imperata brevifolia Justin M. Wood 2008-11-25 254 Los Angeles Big Tujunga Canyon, near road to Wildwood Picnic Area. On the N side of the road in vicinity of spring. 579 Comment
  RSA529079  Isocoma menziesii Timothy S. Ross 1991-3-9 4167 Los Angeles Whittier Hills (Puente Hills) Roadcut with a seepage just SW of Colima Road & Camino del Sur. Comment
  SBBG13811  Isocoma menziesii M. A. Piehl 1962-10-3 62506 Los Angeles Ironwood Gully, E side of isthmus Comment
  RSA766855  Isolepis cernua Justin M. Wood 2009-9-9 1288 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  JEPS99427  Isomeris arborea D. H. Wilken with E. Painter 1997-12-2 15394 Los Angeles n branch of Eagle Canyon, San Clemente Island 260 Comment
  UC1127161  Isomeris arborea R. St. John 1930-2-9 90 Los Angeles near San Fernando Dam; San Fernando Quad. 365 Comment
  SEINET11839632  Iva axillaris R. F. Thorne, Tilforth, C. W.; Nilsson, S. 1972-1 42188 Los Angeles San Gabriel Mts., Angeles NF, Caldwell Lake near Valyermo (sag pond on San Andreas Fault) 1570 Comment
  CAS-BOT-BC142451  Ivesia santolinoides Wesley O. Griesel 1962-6-27 s.n. Los Angeles Dawson Saddle, San Gabriel Mountains 2438 Comment
  POM156276  Jaumea carnosa L. R. Abrams 1902-6-19 2566 Los Angeles Ballona marshes, near Mesmer Comment
  UCR193631  Juglans californica A. C. Sanders 2008-7-10 35737 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  RSA0038736  Juglans hindsii R. E. Riefner Jr. 2012-12-11 12 -598 Los Angeles Sunland-Tujunga, along Stonehurst Ave. near Orcas Ave. 288 Comment
  CATA1086  Juncus acutus subsp. leopoldii Mark L. Hoefs 1995-5-16 2036 Los Angeles Santa Catalina Island: Big Springs Canyon, near road to Two Harbors 103 Comment
  UCR273745  Juncus balticus R. G. Swinney 2011-6-15 15186 Los Angeles San Gabriel Mountains, Chilao Creek, 100 m south and north of Chilao Campground 1573 Comment
  SBBG32135  Juncus bufonius R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -219 Los Angeles lower-middle Bullrush Cyn, Salta Verde Comment
  SD69568  Juncus bufonius Robert F. Thorne 1966-6-1 36496 Los Angeles Santa Catalina Island, bed and wet margins of stream flowing from reservoir at upper end of Cape Canyon. 334 Comment
  UC1971179  Juncus bufonius Louis C. Wheeler 1973-5-5 Los Angeles San Gabriel Mountains: Mill Canyon Comment
  RSA69671  Juncus bufonius var. bufonius F. W. Peirson 1921-5-20 5354 Los Angeles Little Rock Creek 960 Comment
  POM215932  Juncus bufonius var. occidentalis L. C. Wheeler 1934-5-14 2594 Los Angeles Sunny seasonal stream in meadow near mouth San Dimas Canyon, San Gabriel Mtns. 441 Comment
  UC1595321  Juncus macrophyllus Tim Ross, Orlando Mistretta 1992-7-24 6773 Los Angeles 76 degrees ENE, 900 m distant from summit of Strawberry Peak (vicinity of Strawberry Spring); San Gabriel Mountains 1460 Comment
  UCR149910  Juncus macrophyllus R. G. Swinney 1999-6-18 7336 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  UCR204746  Juncus macrophyllus R. G. Swinney 2005-8-9 8420 B Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  RSA522455  Juncus macrophyllus Timothy S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4049 Los Angeles NE of Tie Summit Station and E of Angeles Forest Hwy. Westerly drainage that meets Tie Canyon. Tujunga Ranger District, Angeles National Forest. 1463 Comment
  RSA594299  Juncus mexicanus Steve Boyd, Lauren Raz 1996-10-14 9065 Los Angeles Liebre Mountains region, north shore of Elizabeth Lake, Pine Canyon south of Portal Ridge at Angeles National Forest picnic area. 1000 Comment
  UCR197122  Juncus rugulosus LeRoy Gross 2007-3-13 2612 Los Angeles Transverse Ranges; Verdugo Mountains, southern side of the range. Wildwood Canyon, outside of debris dam 499 Comment
  RSA587169  Juncus rugulosus Orlando Mistretta 1995-10-2 1934 Los Angeles San Gabriel Mountains: Little Rock Creek. Upstream from Basin Campground 1037 Comment
  RSA604998  Juncus saximontanus L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: ca. 200 yards E of foot of Holiday Hill Ski Lift. Comment
  UCR178944  Juncus textilis R. G. Swinney 1989-7-13 s.n. Los Angeles San Gabriel Mtns., Glendora Regional Wilderness Park, Big Dalton Canyon 1.3 miles NE of Glendora Mtn. Road 439 Comment
  RSA368373  Juncus torreyi Anstruther Davidson 1892-08 s.n. Los Angeles Los Angeles River, near Fruitland. Comment
  SFV21414  Juncus xiphioides L. Gross, M. Denslow, B. Hogshead, S. Swartzentruber 2003-6-17 1066 Los Angeles Verdugo Mountains North side of Verdugo Mountains. South of Hostetter Motorway (in Thomas Guide) just off La Tuna Canyon Road, south of and you can see the 210 Freeway. Unnamed canyon that Hostetter road follows to near the main crest. Could be La Tuna Canyon as this is near the head of that canyon. If this is La Tuna Canyon, then the canyon makes a turn from draining to the west, turns south so the drainage is north. Around the bend in the canyon near above coordinates. 550 Comment
  SEINET11787905  Juncus xiphioides S. M. Tracy, Evans 1887-1 s.n. Los Angeles Los Angeles Comment
  CAS-BOT-BC81002  Juniperus californica Carl B. Wolf 1928-3-29 1552 Los Angeles Foothills at south side of Antelope Valley, 2 mi. so. of Neenach 1066 Comment
  LA6561  Juniperus californica Carl Clawson Epling; M. Epling May 1925 sn Los Angeles Mint Canyon Comment
  UCR196009  Juniperus californica R. F. Thorne 1973-5-11 43569 Los Angeles Transverse Ranges; San Gabriel Mtns region, Mohave Desert Slope, along Mt. Emma Road, 1.9 mi west of Little Rock Creek, below the dam 1159 Comment
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Jan 27 2011
  SEINET8981508 Image available Juniperus chinensis Arboretum Staff 68 P1046 Los Angeles Los Angeles, Los Angeles State and County Arboretum Comment
  CAS-BOT-BC235739  Keckiella cordifolia Geo. B. Grant 1904-6-14 s.n. Los Angeles Monrovia Comment
  RSA239494  Keckiella cordifolia E. R. Blakley 1963-12-8 6384 Los Angeles San Clemente Island, canyon head above Mosquito Cove, between triangulation points Malo and Chenity. 305 Comment
  RSA752579  Keckiella cordifolia Justin M. Wood 2009-6-8 859 Los Angeles City of San Dimas, Sycamore Canyon, Falcon Ridge Ranch. 412 Comment
  CAS-BOT-BC176823  Kochia californica A. D. E. Elmer 1902-6-1 3717 Los Angeles Lancaster Comment
  UC70695  Koeleria macrantha G. B. Grant June 1902 5100 Los Angeles Mt. Wilson 1828 Comment
  UCR147625  Koeleria macrantha Naomi Fraga, Paul Morton 2004-5-18 1182 Los Angeles Transverse Ranges; San Gabriel Mountains region, On ridgeline of Mount Hillyer, near summit 1860 Comment
  OBI6969  Krascheninnikovia lanata Shirley Vaughan 1974-5-11 32 Los Angeles 10th st. E and Kettering St., Lancaster 718 Comment
  UC1093935  Krascheninnikovia lanata Herbert L. Mason 1926-4-26 2993 Los Angeles 1 mi. e. Palmdale Comment
  UCR197786  Krascheninnikovia lanata Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 119 Los Angeles Transverse Ranges; San Gabriel Mountains, north side of the mountains, right at the north end of Bob's Gap 1220 Comment
  SEINET3828348  Krascheninnikovia lanata C. Epling, Wm. Robinson 1935-1 Los Angeles Rocky slope of mesa South of San Augustine. Comment
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Mar 9 2015
  UCR150708  Lamarckia aurea R. G. Swinney, Dave Larson 1999-5-15 7170 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  UC883161  Lamium amplexicaule Louis C. Wheeler 1932-3-30 796 Los Angeles 2 mi ne La Verne 373 Comment
  RSA605814  Lamium amplexicaule Louis C. Wheeler 1966-10-27 9092 Los Angeles San Gabriel Mountains: Rincon Ranger Station. Comment
  RSA656863  Lantana montevidensis Joseph M. Keefe 2001-1-24 31021 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  OBI7878  Larrea divaricata G. L. Parsons 1976-5-21 47 Los Angeles Mojave Desert, 20 mi E of Lancaster Comment
  UCR281350  Larrea tridentata R. G. Swinney 2014-4-24 16189 Los Angeles San Gabriel Mountains, NE of Valyermo, wash and plateau at north end of Bob's Gap, 3.1-3.6 miles south of Hwy. 138, c. 0.2 miles east of Bob's Gap Rd., east of Bob's Gap Wash 1293 Comment
  POM2171  Lastarriaea coriacea L. R. Abrams 1901-4-1 1218 Los Angeles Ballona Harbor. Comment
  CAS-BOT-BC338154  Lasthenia californica M. E. Jones 1882-3-7 3211 Los Angeles Pasadena Comment
  SFV18421  Lasthenia californica S. Haennelt 1976-4-5 s. n. Los Angeles San Gabriel Mountains Placeria Canyon Natural Area park. Near picnic area. Comment
  CAS-BOT-BC354220  Lasthenia coronaria Lilian Wheeler 1895-3-16 s.n. Los Angeles Claremont Comment
  RSA0098616  Lasthenia gracilis R. G. Swinney 2011-4-20 14467 Los Angeles San Gabriel Mountains/ Western Mohave Desert: Vincent, 2.9 miles SE of Lake Palmdale on Carson Mesa, 100-200 m east of Angeles Forest Hwy 1000 Comment
  RSA0116326  Lasthenia gracilis A. C. Sanders 2008-4-17 34936 Los Angeles Transverse Range: mouth of canyon in hills c. 1.25 mi. SW of Neenach School, c. 1.5 mi. west of Pine Canyon. 956 Comment
  SBBG119488  Lasthenia gracilis P. H. Raven 1962-4-10 17193 Los Angeles S of Wilson Cove 91 Comment
  UC90001  Lasthenia gracilis unknown Los Angeles Socorro Comment
  UCD106414  Lathyrus splendens Louis C. Wheeler 1932-3-6 454 Los Angeles San Dimas Canyon, San Gabriel Mts. 384 Comment
  RSA405690  Lathyrus vestitus subsp. laetiflorus Freda Detmers 1929-4-21 s.n. Los Angeles Topango Canyon Comment
  POM1801  Lathyrus vestitus var. vestitus C. F. Baker 1904-4-2 4108 Los Angeles Hills near Monrovia Comment
  SBBG67578  Lathyrus vestitus var. vestitus R. Hoffmann 1925-4-19 Los Angeles E side of Bouquet Cyn Comment
  RSA405689  Lathyrus vestitus var. vestitus I. M. Johnston 1930-9-7 s.n. Los Angeles Mt. Wilson trail 610 Comment
  RSA705046  Lathyrus vestitus var. vestitus E. A. Purer 1935-5-11 6561 Los Angeles Malibu Road, [Santa Monica Mountains] Comment
  SD82901  Lathyrus vestitus var. vestitus Gary D. Cromwell, David W. Wheat 1971-4-16 510 Los Angeles San Gabriel Mountains, Angeles National Forest, Mystic Canyon, 2 miles NE of Glendora; NW-facing slope, upper canyon ca. 3 meters above canyon bottom (creek bed) Comment
  UC557733  Lavatera assurgentiflora subsp. glabra Nell Murbarger May 1936 208 Los Angeles norther end San Clemente Island (San Clemente Island, West Cove); northern end San Clemente Island, West Cove Comment
  SFV21650  Lavatera cretica C. M. Bowman-Prideaux 2010-5-7 s. n. Los Angeles Palos Verdes Peninsula Palos Verdes Hills. Los Angeles, San Pedro, Friendship Park. 229 Comment
  UC1587714  Lavatera cretica Tim Ross, Orlando Mistretta, and Mike Hammitt 1991-5-17 5140 Los Angeles at the beginning of Larkspur Canyon drainage, 900 ft sse of the 924' BM at the e end of the old airfield landing strip San Clemente Island; , Larkspur Canyon drainage 266 Comment
  CAS-BOT-BC321538  Layia glandulosa Timothy S. Ross; Victor W. Steinmann 1995-5-8 8559 Los Angeles Liebrel Mountains. Slopes between Leona Valley and Lost Valley. 1182 Comment
  RSA600113  Layia glandulosa Steve Boyd, Lauren Raz 1997-3-26 9340 Los Angeles Liebre Mountains region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 976 Comment
  UCSB16971  Layia glandulosa Lean, Jr., Steve 1963-5-5 Los Angeles California Highway 138, 9.4 miles west of San Bernardino County Line 944 Comment
  SBBG95915  Layia platyglossa M. B. Dunkle 1939-4-3 7233 Los Angeles Chenetti Cyn Comment
  SBBG96963  Layia platyglossa S. Boyd, T. Ross, L. Araseth 1990-4-8 4303 Los Angeles near Malo Point, first cyn S of Bryce Cyn Comment
  UC206186  Layia platyglossa Katharine Brandegee Los Angeles Santa Catalina Island Comment
  CATA540  Lepechinia fragrans Sara L. Crockett 1997-5-1 700 Los Angeles Santa Catalina Island: 0.2 mile W of jct. of White's Landing Road with Airport Road, SW side of road 463 Comment
  UC25892  Lepechinia fragrans Dr. A. Davidson Jun 1894 Los Angeles Trail to Mt. Wilson Tract, San Gabriel Mountains Comment
  RSA658415  Lepidium didymum Patricia Kouo 1994-5-6 945219 Los Angeles 3 miles south of I-10, and 1 mile north of I-60. On the West side of Rosemead Blvd , at the most south lake. Comment
  SFV10185  Lepidium flavum J. G. Cuti 1978-4-2 41 Los Angeles About 3 miles south of Saddleback Butte State Park on Highway 170th., off shoulder. 30 Comment
  SBBG70818  Lepidium fremontii R. Hoffmann 1929-4-27 Los Angeles Roosevelt Comment
  RSA725076  Lepidium fremontii var. fremontii Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 86 -A Los Angeles Bob's Gap. At the south edge of Bob's Gap, on slopes and roadside, and down in the wash. 1444 Comment
  LA200321  Lepidium virginicum A. M. Johnson; 1932-5-30 4113 Los Angeles SANTA MONICA MOUNTAINS, Brent's Mountain, Crag's Camp. Comment
  JEPS53771  Lepidium virginicum Frank W. Peirson 1921-3-3 2357 Los Angeles hills w Arroyo Seco; San Gabriel Mountians 426 Comment
  RSA610981  Lepidium virginicum var. pubescens L. C. Wheeler 1970-6-26 s.n. Los Angeles San Gabriel Mountains: East Fork San Gabriel River at Fish Fork. Comment
  UC216493  Lepidium virginicum var. pubescens A. J. McClatchie 1893-4-10 Los Angeles near Pasadena Comment
Read comments
Dec 9 2010
  RSA550007  Lepidospartum squamatum var. squamatum Scott D. White 1992-10-8 899 B Los Angeles Malibu, base of Santa Monica Mountains, just N of Pacific Coast Highway, extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School. 91 Comment
  JEPS78789  Leptodactylon californicum L. R. Heckard with Michael Morris 1976-6-13 4268 Los Angeles Mt. Gleason San Gabriel Mts. (e flank) 1706 Comment
  RSA648267  Leptodactylon californicum Michael Krawczyk 1981-4-26 6 Los Angeles 3 miles south of Falling Springs Resort on highway 39. San Gabriel Mtns. Comment
  UC101900  Leptodactylon californicum Rev. J. C. Nevin Los Angeles Sierra Santa Monica Comment
  RSA773783  Leptodactylon pungens R. G. Swinney 2009-7-22 11305 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 Comment
  RSA233543  Leptosiphon breviculus R. F. Thorne, C. W. Tilforth 1972-6-29 42090 Los Angeles Angeles National Forest: Summit of Table Mountain above Big Pines. 2287 Comment
  RSA588968  Leptosiphon breviculus Orlando Mistretta 1994-6-8 1349 Los Angeles Little Rock Creek: un-named drainage draining N slope of Bare Mountain 1707 Comment
  UCSB31637  Leptosiphon breviculus Griesel, Wesley 1962-5-28 Los Angeles State Hwy. 2, near Newcombs Ranch; San Gabriel Mts. 1828 Comment
  UCR146493  Lessingia filaginifolia Scott D. White 2004-7-27 10631 Los Angeles San Gabriel Mountains, Clear Creek area; roadside and hiking trail south side of Angeles Forest Hwy, c. 0.2 mi west of jct. with Angeles Crest Hwy; Condor Peak 1067 Comment
  UCR205258  Lessingia filaginifolia R. G. Swinney 2005-8-15 8476 Los Angeles San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, near headquarters 1463 Comment
  UCR200150  Lessingia filaginifolia var. filaginifolia Valerie Soza, Shalini Deo, Stephen Dreher 2000-4-27 804 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
  LA51475  Lessingia filaginifolia var. filaginifolia Henry J. Thompson; 1958-10-23 1818 Los Angeles Santa Monica Mountains, Point Dume 30 Comment
  RSA703500  Lessingia glandulifera var. glandulifera Scott D. White, Michael Honer 2004-6-24 10493 -B Los Angeles Pomona Valley / San Gabriel Mtn Foothills: City of Claremont; San Antonio Canyon alluvial fan, north of Baseline Ave. and west of concrete-lined flood control channel. 488 Comment
  CAS-BOT-BC339269  Lessingia glandulifera var. glandulifera A. G. Vestal 1963-5-22 63538 .5 Los Angeles Outside of Bob's Gap, Antelope Valley, SE of Pearblossom Comment
  JEPS52197  Lessingia glandulifera var. glandulifera Ernest C. Twisselmann 1966-9-8 12787 Los Angeles Castaic Valley; San Emigdio Range and Mt. Pinos 1188 Comment
  SBBG63045  Lessingia glandulifera var. glandulifera R. Hoffmann 1929-5-20 Los Angeles W Mojave Desert Comment
  OBI35691  Leymus condensatus Rebecca Cicoria 1982-5-8 65 Los Angeles Palos Verdes Peninsula: Sepulveda Cyn, along Si's Trl, Rolling Hills Comment
  SBBG120142  Leymus condensatus A. C. Sanders 2003-5-22 26820 Los Angeles long abandoned gravel pit on boundary between Irwindale and Azusa, E of Irwindale Ave, S of 210 Freeway (which bisects it) and N of Santa Fe railroad, E of San Gabriel River channel 171 Comment
  RSA584108  Ligustrum japonicum Tim S. Ross 1991-11-15 s.n. Los Angeles Claremont: RSABG grounds: Indian Hill Mesa. 405 Comment
  RSA0088411  Ligustrum lucidum R. G. Swinney 2010-2-27 11761 Los Angeles 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
  UCR132348  Lilium humboldtii John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one 381 Comment
  UCR182384  Lilium parryi R. G. Swinney 1997-7-22 5705 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
  LA52331  Linanthus californicus Harlan Lewis; 1940-2-24 1074 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon, Near Saddle Peak. 609 Comment
  UCR214049  Linanthus dichotomus A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37971 Los Angeles Tehachapi Mountains, Crane Canyon, 1.0 mi. SE (144 deg. ) of Castac Lake, 1.7 mi. NE (43 deg. ) of Gorman, just S of Kern Co. line 1189 Comment
  UCR264621  Linanthus dichotomus Mitch Provance, Callen Huff 2009-4-28 10732 Los Angeles Tehachapi Mountians, Tejon Ranch, 1.2 mi. N of Gorman, Bear Canyon, along Crane Canyon Rd., about 1 mi. S of Castac Lake 1220 Comment
  SBBG127069  Linanthus dichotomus subsp. dichotomus A. Parikh, N. Gale 2011-6-14 3465 Los Angeles N of Aliso Cyn, 0.2 km W of Angeles Forest Hwy, 1 km N of Aliso Cyn Rd; San Gabriel Mtns 1205 Comment
  RSA0068961  Linanthus dichotomus subsp. pattersonii T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4856 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  RSA729007  Linanthus parryae Gary D. Wallace, B. Gustafson, D. Minor, Michael Wallace, F. Runyon, B. Birdsal 1982-4-26 1965 Los Angeles Fort Tejon Road. Comment
  UC167111  Linanthus parviflorus unknown 1904-5-5 694 a6185 Los Angeles Arroyo Seco Canyon San Gabriel Mts. 609 Comment
  UC52503  Linanthus parviflorus Ernest Braunton 1902-4-29 315 Los Angeles n Pomona Pomona Comment
  RSA251499  Linaria canadensis var. texana Robert F. Thorne 1973-4-11 42787 Los Angeles San Clemente Island: Norton Canyon. 274 Comment
  RSA584621  Lithophragma affine T. S. Ross, Steve Boyd 1991-4-25 4612 Los Angeles San Gabriel Mountains: lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at ca 1540 ft. elev.). 512 Comment
  UC11875  Lithophragma affine J. H. Barber 1897-3-21 73 Los Angeles Sepulveda Canyon; Sierra de Santa Monica, Sepulveda Canyon Comment
  RSA0051513  Lithophragma affine Elwood Fordham 1951-4-15 s.n. Los Angeles Old Topanga Canyon, near Heron Pl. Gate. 289 Comment
  SFV22057  Lithophragma affine subsp. mixtum V. Soza, L. Gross, B. Hogshead 2001-4-18 1154 Los Angeles Verdugo Mountains Verdugo Mountains. Ridgetop above McDonald Creek. North-northwest-facing slope above trail. 396 Comment
  RSA602977  Lithophragma bolanderi Louis C. Wheeler 1967-5-18 9627 Los Angeles Angeles National Forest; Placerita Canyon. 518 Comment
  UC1606945  Lithophragma tenellum Robert F. Thorne and Larry DeBuhr 1974-6-28 44759 Los Angeles n slope Mt. Hawkins (drainage of S Fork Big Rock Creek, Lily Springs area); San Gabriel Mts, Angeles National Forest, S Fk Big Rock Cree 2438 Comment
  RSA729705  Lobelia dunnii var. serrata R. G. Swinney 1998-7-28 6511 Los Angeles Cat Canyon, a western tributary of San Antonio Canyon, south of Sunset Peak. 1024 Comment
  UC586853  Lobelia dunnii var. serrata Joseph Andorfer Ewan 1934-8-5 8463 Los Angeles San Gabriel Mountains, Vincent Gulch Vincent Gulch; San Gabriel Mountains, Vincent Gulch 1737 Comment
  SBBG29853  Lobularia maritima J. D. Olmsted 1958-3-2 7 Los Angeles San Antonio Crk in Blanchard Park on Pomona College campus 365 Comment
  LA30867  Lobularia maritima Peter H. Raven; Jane Turner, Barbara Whitesel 1959-3-15 C 170 Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  RSA586648  Loeseliastrum matthewsii Orlando Mistretta 1995-6-1 1758 Los Angeles Carr Canyon. San Gabriel Mountains. 976 Comment
  UC405419  Logfia filaginoides Katharine Brandegee 1889-5-1 Los Angeles Santa Catalina Island Comment
  SD69730  Logfia gallica Robert F. Thorne 1966-4-29 36301 Los Angeles Santa Catalina Island; hillside along Airport Road before turn off to Middle Ranch Canyon. 455 Comment
  CATA1196  Logfia gallica Mark L. Hoefs, Jay B. Walker, Carol Annable 1995-6-5 2215 Los Angeles Santa Catalina Island: Upper White's Landing Road 426 Comment
  CAS-BOT-BC283441  Lolium multiflorum John H. Thomas 1957-5-17 6768 Los Angeles Occidental College Campus, Los Angeles. Near Moore Laboratory Comment
  RSA774832  Lolium perenne subsp. multiflorum Orlando Mistretta, Christine Mistretta 2010-6-8 5284 Los Angeles Upper Big Tujunga Canyon; Lynx Gulch. Along Lynx Gulch Road, approx. 1.15 miles N of intersection with upper Big Tujunga Canyon Rd. 1100 Comment
  UCR12136  Lomatium dasycarpum Art Whistler 1966-4-17 s.n. Los Angeles Western Transverse Range, Canoga Park, west of Cohasset, above Roscoe Blvd., near Valley Circle Blvd. Comment
  UCR176989  Lomatium dasycarpum Lee Jones 2005-5-11 s.n. Los Angeles Transverse Ranges; Liebre Mtns/W San Gabriel Mtns, Ridge above Mint Canyon (town) 549 Comment
  SBBG59717  Lomatium dasycarpum subsp. dasycarpum R. Hoffmann 1929-5-21 Los Angeles Bouquet Cyn Comment
  RSA97152  Lomatium dasycarpum subsp. dasycarpum F. W. Peirson 1919-3-27 338 Los Angeles Foot of trail to Lukens Peak 609 Comment
  RSA97162  Lomatium dissectum var. multifidum F. W. Peirson 1922-6-3 3080 Los Angeles 3 miles west of Elizabeth Lake. 1113 Comment
  RSA199013  Lomatium lucidum W. M. Gauntt 1966-4-9 142 -A Los Angeles Junction of Glendora Mountain Road with Glendora Ridge Road 915 Comment
  UCR197774  Lomatium mohavense Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 48 Los Angeles Transverse Ranges; San Gabriel Mountains, off Big Pines Hwy (Road N) on the north side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside 1444 Comment
  SD82875  Lomatium nevadense var. parishii R. F. Thorne, M. Z. Thorne 1969-7-9 38543 Los Angeles San Gabriel Mountains, Angeles National Forest, summit if Table Mountain above Big Pines Ranger Station 2135 Comment
  SEINET9597180 Image available Lomatium utriculatum M. Kamins 1965-1 68 Los Angeles San Gabriel Mts., Elizabeth Lake Rd. 366 Comment
  RSA609592  Lonicera subspicata var. denudata L. C. Wheeler 1968-8-7 s.n. Los Angeles San Gabriel Mountains: Divide between West Fork Bear Creek and Devils Canyon. Comment
  SFV6954  Lonicera subspicata var. denudata T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1971-8-31 621 Los Angeles Santa Monica Mountains First canyon east of Stokes Canyon. About 1 mile due east of Claretville Seminary. 229 Comment
  UCD137372  Lonicera subspicata var. denudata Justin M. Wood 2009-4-22 527 Los Angeles San Gabriel Mountains, City of San Dimas, Sycamore Canyon, Falcon Ridge Ranch. 412 Comment
  RSA213376  Lotus argophyllus subsp. ornithopus M. B. Dunkle 1939-4-4 7252 Los Angeles San Clemente Island: China Point, Pyramid Cove Comment
  RSA659847  Lotus argophyllus var. argophyllus Orlando Mistretta, Mike Hammitt 1991-5-29 s.n. Los Angeles Monrovia Canyon. Comment
  SBBG128810  Lotus corniculatus M. L. Hoefs, S. A. Junak, J. Takara, M. Gay 1995-7-12 2363 Los Angeles lower Cottonwood Cyn from rd to beach 6 Comment
  RSA229022  Lotus crassifolius var. crassifolius R. F. Thorne 1971-6-30 40752 Los Angeles Angeles National Forest: c. 0.3 mile below Alder Saddle along a dry branch of the S Fork of Little Rock Creek. 1616 Comment
  UC15715 Image available Lotus davidsonii Dr. A. Davidson 1892-8-1 Los Angeles Wilsons Peak; ; Wilson's Peak, Los Angeles Co. Comment
  RSA306171  Lotus grandiflorus var. grandiflorus Fay A. MacFadden 1935-06 14164 Los Angeles Malibu Beach. Comment
  RSA498323  Lotus heermannii var. heermannii Albert J. Perkins 1915-10-9 s.n. Los Angeles Mt. San Antonio, cow canyon Comment
  UCR139933  Lotus humistratus L. C. Wheeler 1973-4-21 s.n. Los Angeles San Gabriel Mtns., foothills of mountains, 2 mi NE of Vincent 991 Comment
  RSA586283  Lotus humistratus Orlando Mistretta 1995-3-14 1536 Los Angeles Little Rock Creek Management Unit; Emma section of Little Rock Creek Management Unit. 1128 Comment
  RSA628577  Lotus nevadensis var. davidsonii L. C. Wheeler 1967-7-15 10069 Los Angeles San Gabriel Mountains: Angeles National Forest: SW side Mt. Waterman. 2134 Comment
  RSA725084  Lotus procumbens var. procumbens Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -10 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  SEINET3860266  Lotus salsuginosus R. G. Swinney 2009-4-21 10417 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mile north (upstream) of Puente Largo bridge.; 0 192 Comment
  POM243728  Lotus salsuginosus F. R. Fosberg 1931-3-26 S- 4386 Los Angeles Santa Catalina Island. Sea bluffs W Hamilton Cany[on]. 90 Comment
  RSA133409  Lotus salsuginosus P. H. Raven 1959-5-3 14053 Los Angeles Santa Monica Mountains (34 deg.N; 118-119 deg.W). Mulholland Drive near Beverly Glen Boulevard 381 Comment
  SEINET12151340  Lotus salsuginosus E. A. Purer 1935-1 6549 Los Angeles Malibou Rd, Santa Monica Mts Comment
  PASA221  Lotus scoparius Margaret Stason 1931-3-21 Los Angeles Near Roscoe Comment
  RSA656233  Lotus scoparius Joseph M. Keefe 1978-6-4 23332 Los Angeles Verdugo Mountains: 100 m east of Cafeteria, Glendale College, 1500 North Verdugo Road, Glendale, San Rafael Mountains. 287 Comment
  UC1584841  Lotus scoparius var. scoparius Tim Ross 1991-4-8 4460 Los Angeles Elephant Hill, w Pomona Pomona, Elephant Hill, San Dimas U.S.G.S. 7.5' Quad. 228 Comment
  UC1870184  Lotus scoparius var. scoparius LeRoy Gross, Laura Moore 2000-6-5 202 Los Angeles Transverse Ranges; Verdugo Mts region; Verdugo Mountains: Canyon east of Brand Canyon by the Brand Lateral Trail, out of Brand Park, north of corners of Grandview & Mountain, Glendale. Elev. 900 Feet. 274 Comment
  JEPS27793  Lotus strigosus Frank W. Peirson 1918-5-26 323 Los Angeles Summit Mt. Wilson San Gabriel Mountains 1737 Comment
  RSA406471  Lotus strigosus Anstruther Davidson 1892-6-14 s.n. Los Angeles Wilson's Peak Comment
  RSA639978  Lotus strigosus L. C. Wheeler 1967-5-29 9778 Los Angeles Cow Canyon Saddle, [covered former dump]. 1377 Comment
  UC864915  Lotus strigosus F. R. Fosberg 1931-3-27 S 4407 Los Angeles near Avalon; Santa Catalina Island, Hamilton Canyon 120 Comment
  RSA529307  Lotus strigosus T. S. Ross 1991-4-8 4453 Los Angeles Elephant Hill: western Pomona 229 Comment
  RSA598365  Lotus strigosus L. C. Wheeler 1967-5-24 9735 Los Angeles San Gabriel Mountains. Indian Canyon, near mouth. 701 Comment
  RSA406940  Lotus strigosus var. strigosus F. R. Fosberg 1931-3-26 S- 4387 Los Angeles Santa Catalina Island. Sea bluffs W of Hamilton Canyon. 90 Comment
  CATA1687  Lotus unifoliolatus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-7-18 2982 Los Angeles Santa Catalina Island: Lower Middle Ranch Canyon 219 Comment
  RSA406260  Lotus unifoliolatus M. B. Dunkle 1930-7-13 2432 Los Angeles Summit, Head Grand Canyon. Comment
  UCR237643  Ludwigia peploides Mark A. Elvin 2003-8-14 3008 Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River at mouth of Chiquito Canyon, south of SR 126 271 Comment
  CAS-BOT-BC201199  Lupinus P. A. Munz 1923-8-31 7674 Los Angeles Swartout [Swarthout] Valley, San Gabriel Mts. 2560 Comment
  RSA213328  Lupinus albifrons var. eminens Reid V. Moran 1941-3-13 704 Los Angeles Santa Catalina Island. Hermit Gulch, near creek. 50 Comment
  SEINET10937160  Lupinus albifrons var. longifolius Everett 1948-1 EVERETT 19477 Los Angeles Garden 6457, origin palos verdes hills Comment
  JEPS65003  Lupinus bicolor Frank W. Peirson 1918-5-26 91 Los Angeles Henninger Flats San Gabriel Mts., Henninger Flats 868 Comment
  RSA652731  Lupinus bicolor Kurt Zeiher 1949-5-7 s.n. Los Angeles Collected Dalton Canyon River Bed 30 Comment
  RSA748895  Lupinus bicolor R. G. Swinney 2005-5-21 8267 Los Angeles West of Punch Bowl County Park, at the junction of Holmes Creek and Watson Creek. 1241 Comment
  RSA772400  Lupinus bicolor R. G. Swinney 2009-5-12 10727 Los Angeles Transverse Range, San Gabriel Mountains, Alimony Ridge, Junction of Alimony Ridge and Alimony Ridge Rd. and to 0.5 mi NW up ridge. 1435 Comment
  SBBG47501  Lupinus bicolor M. B. Dunkle 1928-4-10 1835 Los Angeles Johnson's Landing Cyn Comment
  SFV4885  Lupinus bicolor M. H. Grayum 1971-5-3 s. n. Los Angeles Santa Monica Mountains Tapia Park. 152 Comment
  UC1922361  Lupinus bicolor Valerie Soza, Susan Caplow 2003-4-11 1629 Los Angeles Transverse Ranges; Verdugo Mountains region; Brand Park vicinity, head of Brand Canyon, alongside Brand Park Mtwy, north side of powerline tower. 640 Comment
  SEINET6932634 Image available Lupinus bicolor W. P. Vestal, A. G. Vestal 1955-3-26 3488 Los Angeles Antelope Valley, east of Fairmont on 110th Street. Comment
  POM23931  Lupinus bicolor subsp. microphyllus George B. Grant 1905-4-7 s.n. Los Angeles Pasadena. Comment
  SEINET10970219  Lupinus bicolor subsp. microphyllus Thorne 1965-5-12 THORNE 34608 Los Angeles Prostrate; petals purplish and white; open grassy areas on clay among openings In oak woodlands; bulrush canyon. With l. Succulentus, orhtocarpus Purpurascens, vicia exigua 244 Comment
  SEINET6932656  Lupinus bicolor subsp. pipersmithii W. P. Vestal, A. G. Vestal 1955-3-26 3488 Los Angeles Antelope Valley, east of Fairmont on 110th Street. Comment
  SEINET6932657  Lupinus bicolor subsp. pipersmithii W. P. Vestal, A. G. Vestal 1955-3-26 3488 Los Angeles Antelope Valley, east of Fairmont on 110th Street. Comment
  RSA407085  Lupinus bicolor subsp. umbellatus C. B. Liter 1928-4-2 s.n. Los Angeles Santa Catalina Island. Comment
  POM2553  Lupinus chamissonis L. R. Abrams 1899-05 272 Los Angeles Ballena [Ballona] Harbor Comment
  RSA407120  Lupinus chamissonis Robert Gustafson 1980-7-9 1792 Los Angeles Ballona Wetlands, Area 1, coastal strand along the western boundary of Area 1 Comment
  UCD170869  Lupinus chamissonis Jeremiah George; Audrey George 2014-1-15 s.n. Los Angeles South Coast, Redondo Beach, immediately east of intersection of Artesia Blvd. and Goodman Ave. 33 Comment
  RSA586977  Lupinus concinnus Orlando Mistretta 1992-5-8 320 Los Angeles San Gabriel Mountains: Little Rock Creek, slopes E of Little Rock Creek Reservoir. 1159 Comment
  SEINET10485091  Lupinus concinnus subsp. orcuttii David B. Dunn 1946-4-20 Dunn 2142 Los Angeles Station 8, west margin of Mohave Desert. Comment
  RSA0064351  Lupinus elatus Daisie I. Huang 2006-7-16 06071601 Los Angeles 138 alternate, south of Hwy 2. 1893 Comment
  POM2614  Lupinus excubitus var. austromontanus I. M. Johnston 1918-7-6 2078 Los Angeles Prairie fork of San Gabriel River 2073 Comment
  RSA590069  Lupinus excubitus var. austromontanus Orlando Mistretta 1994-3-30 985 Los Angeles Little Rock Creek, slopes E of creek below Little Rock Dam. 1158 Comment
  SD230232  Lupinus excubitus var. austromontanus Louis C. Wheeler 1964-6-20 8490 Los Angeles Mt. Waterman: South side Comment
  UC1129769  Lupinus formosus Jerome S. Horton 1936-5-26 350 Los Angeles Brown's Flat; Cucamonga Quadrangle, Brown's Flat Comment
  RSA413634  Lupinus formosus var. formosus Robert Gustafson, Gary D. Wallace 1982-4-26 2538 Los Angeles Bob's Gap Road, about 3 1/2 miles south of the junction with Pearblossom Hwy. 976 Comment
  RSA562549  Lupinus formosus var. formosus Steve Boyd 1993-4-22 7997 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
  SFV10196  Lupinus formosus var. formosus J. G. Cuti 1978-4-19 56 Los Angeles Verdugo Mountains About 1 mile from end of Walnut Ave. on Stough Canyon fire road. 518 Comment
  UCR274518  Lupinus formosus var. formosus Daisie Huang 2007-5-28 70528- 02 Los Angeles San Gabriel Mountains, Glendora Ridge Road 1330 Comment
  POM156284  Lupinus formosus var. formosus L. R. Abrams 1902-6-30 2577 Los Angeles Mt. Wilson. 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
  SFV7539  Lupinus latifolius T. Gordon, K. Kimbrough, M. H. Grayum, K. A. Wilson, B. Collins, D. Brown, A. Starrett, G. Poseley 1975-5-26 1007 Los Angeles Santa Monica Mountains First canyon east of Malibu Lake ("Fern Creek"). 244 Comment
  CAS-BOT-BC211705  Lupinus longifolius C. B. Wolf 1931-6-25 1113 Los Angeles SW of Los Angeles Botanic Garden, along Beverly Blvd. Mandeville Canyon 60 Comment
  JEPS127383  Lupinus longifolius Robert Steers 2003-5-17 Los Angeles Palos Verdes Peninsula. Rolling Hills Estates. Comment
  UCR153323  Lupinus microcarpus A. C. Sanders, T. B. Salvato 2005-4-26 29735 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, spur at NE end of Cruzan Mesa, south of Vasquez Canyon road, near powerlines 610 Comment
  SBBG9341  Lupinus microcarpus var. densiflorus E. R. Blakley 1958-5-9 2278 Los Angeles State Hwy 138, 3.5 mi E of Gorman 1066 Comment
  RSA589201  Lupinus odoratus var. odoratus Tim S. Ross 1991-4-27 4673 Los Angeles Mojave Desert: Black Butte Basin Road: 1.95 miles and ca 148 deg SW of Three Sisters buttes. 982 Comment
  IRVC26946  Lupinus sparsiflorus A. C. Sanders, Tricia Wotipka 2003-4-28 26096 Los Angeles Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon Western San Gabriel Mtns. 427 Comment
  PASA1678  Lupinus sparsiflorus Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  RSA0084933  Lupinus sparsiflorus R. G. Swinney 2010-3-10 11813 Los Angeles NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  CHSC35824  Lupinus succulentus William Fugimoto 1971-5-2 31 Los Angeles Ca. 4 miles East of Malibu, 1 mile North of Hwy. 1 on Los Flores Cyn. Rd. in Santa Monica Mtns. 457 Comment
  UCR85815  Lupinus succulentus T. S. Ross 1991-4-8 4479 Los Angeles San Gabriel Valley, Elephant Hill: western Pomona 355 Comment
  RSA414363  Lupinus truncatus Anstruther Davidson 1894-04 s.n. Los Angeles Catalina Island Comment
  RSA674880  Lupinus truncatus LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 725 Los Angeles South side; Off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned in Summer-Fall of 2002. 307 Comment
  SBBG95404  Lupinus truncatus M. B. Dunkle 1928-5-13 1940 Los Angeles near Wishbone Loop Comment
  SBBG96853  Lupinus truncatus S. Boyd with T. Ross, L. Arnseth 1990-4-7 4205 Los Angeles upper reaches of China Cyn Comment
  SD84826  Lupinus truncatus Reid Moran 1941-3-9 692 Los Angeles Santa Catalina Island; ridge north of Middle Ranch. 349 Comment
  UCR99396  Lupinus truncatus Jack Easton 1997-2-25 s.n. Los Angeles Glendale: western toe of San Rafael Hills 305 Comment
  RSA150660  Lupinus truncatus Peter H. Raven 1962-5-9 17649 Los Angeles Just N of Gray, San Clemente Island 366 Comment
  UCR281660  Lycium andersonii R. G. Swinney 2014-4-18 16137 Los Angeles San Gabriel Mountains, north end of Alimony Ridge, c. 50 m east of Little Rock Wash, south of Mt. Emma Rd. 957 Comment
  SD248501  Lycium brevipes var. hassei R. E. Jr. Riefner 2013-4-8 13 175 Los Angeles Palos Verdes Peninsula, Palos Verdes Estates, Bluff Cove, ca. 0.25 mi N from Paseo Del Mar along Palos Verdes Drive West. 92 Comment
  CAS-BOT-BC233477  Lycium californicum C. G. Pringle 1882-3-31 s.n. Los Angeles Wilmington Comment
  CATA209  Lycium californicum Mark L. Hoefs 1973-4-15 191 Los Angeles Santa Catalina Island: Ben Weston Beach 7 Comment
  RSA77095  Lyonothamnus floribundus subsp. aspleniifolius F. W. Peirson 1923-4-10 3454 Los Angeles North slope canyon about 10 miles southeast of Wilson's Cove, San Clemente Island. Comment
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Jan 12 2015
  JEPS45594  Lyonothamnus floribundus subsp. floribundus W. L. Jepson 1908-7-13 3045 Los Angeles Swain Canyon Catalina Island Comment
  RSA23581  Lyonothamnus floribundus subsp. floribundus Percy C. Everett 1939-9-19 9539 Los Angeles Santa Catalina Island. East slope of Blackjack Peak in Swain's Canyon. 457 Comment
  SBBG11602  Lyonothamnus floribundus var. aspleniifolius P. H. Raven 1962-5-9 17682 Los Angeles near head of cyn above Mosquito Cove 274 Comment
  UC138271  Lythrum californicum LeRoy Abrams 1902-8-8 2962 Los Angeles Ballona Creek near Mesmer; Ballona Creek Comment
  RSA0011272  Lythrum hyssopifolia Mark Hoefs, Steven A. Junak, Janet Takara, M. Gay 1995-7-14 2401 Los Angeles Lower Cape Canyon, just up from Middle Canyon; Santa Catalina Island. 213 Comment
  UCR182480  Machaeranthera canescens R. G. Swinney 1997-7-17 5689 Los Angeles San Gabriel Mtns., summit of Table Mountain, NW of Wrightwood 2277 Comment
  RSA0080070  Madia gracilis R. G. Swinney 2010-6-4 13038 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  UCR227648  Madia gracilis R. F. Thorne, Percy C. Everett 1965-5-12 34623 Los Angeles Channel Islands; Santa Catalina Island, Bullrush Canyon 244 Comment
  RSA435927  Mahonia dictyota Fordyce Grinnell Jr. 1910-3-19 S.N. Los Angeles Switzers trail. San Gabriel Mountains 762 Comment
  RSA26371  Mahonia nevinii Reid V. Moran 1941-5-17 865 Los Angeles East of San Fernando 325 Comment
  CAS-BOT-BC203921  Malacothamnus clementinus Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-7 4279 Los Angeles San Clemente Island. Lower half of China Cyn, S end of island, W side 182 Comment
  RSA678461  Malacothamnus clementinus Mark A. Elvin, Dylan Hannon, Gery Allan, Curtis Clark, Steve Burckhalter 1996-4-20 169 Los Angeles San Clemente Island. Lemon Tank. Comment
  SD122643  Malacothamnus clementinus F. C. Boutin 1967-4-23 1653 Los Angeles San Clemente Island, east side of island, Lemon Tank. 305 Comment
  CAS-BOT-BC206214  Malacothamnus fasciculatus Peter H. Raven 1962-5-21 17802 Los Angeles Bullrush Canyon, about opposite ranch in Middle Canyon, Santa Catalina Island 213 Comment
  RSA188144  Malacothamnus fasciculatus Robert F. Thorne, P. Everett 1965-6-24 35045 Los Angeles Santa Catalina Island. Road down to Shark Harbor Beach 30 Comment
  RSA305914  Malacothamnus fasciculatus Fay A. MacFadden 1931-5-28 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  SD69004  Malacothamnus fasciculatus Robert F. Thorne, D. Propst 1968-5-28 37640 Los Angeles Santa Catalina, bank above oad beside Thompson's Reservoir, Middle Ranch 213 Comment
  UCR125770  Malacothamnus fasciculatus A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25542 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, canyon on south side of central Potrero Canyon, SSW of old ranch headquarters 396 Comment
  SBBG31156  Malacothamnus fasciculatus var. catalinensis R. F. Thorne 1966-6-2 36518 Los Angeles E of Black Jack Mtn, leading to White's Landing 228 Comment
  SBBG17364  Malacothamnus fasciculatus var. fasciculatus M. Vincent 1962-7-18 264 Los Angeles Mulholland Hwy, 2 mi W of Old Topanga Cyn turnoff Comment
  UCR145174  Malacothamnus fremontii June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek Fire Station, Fenner Canyon 1616 Comment
  RSA617481  Malacothamnus marrubioides Scott D. White, Pam DeVries 1998-6-23 6776 Los Angeles Soledad Canyon area; proposed quarry area N of Soledad Canyon Road, S of I-14, E of Bee Canyon and W of Agua Dulce Canyon. 549 Comment
  RSA94958  Malacothrix clevelandii F. W. Peirson 1920-6-10 4314 Los Angeles Maple Springs Trail to Mt. Lowe 1219 Comment
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Jul 19 2008
  UCR124760  Malacothrix glabrata B. C. Templeton 1930-5-19 1462 Los Angeles San Gabriel Mtns., Mint Canyon, near Mojave Desert 854 Comment
  CAS-BOT-BC347918  Malacothrix saxatilis var. tenuifolia Malcom A. Nobs; S. Galen Smith 1948-9-8 644 Los Angeles Just west of Malibu Comment
  CAS-BOT-BC347939  Malacothrix saxatilis var. tenuifolia J. H. Thomas 1957-6-2 6804 Los Angeles Arroyo Seco under Colorado St. Bridge, Pasadena 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
  UC831156  Malacothrix saxatilis var. tenuifolia Ira W. Clokey, B. Templeton May 1929 4550 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon 200 Comment
  RSA60288  Malosma laurina G. R. Campbell 1947-10-5 548 Los Angeles Hills just north of Avalon. Santa Catalina Island. 152 Comment
  SD126439  Malosma laurina F. R. Fosberg 1931-7-10 S 5373 Los Angeles Santa Catalina Island, Eagles Nest, Middle Ranch Canyon 180 Comment
  RSA608756  Malus sylvestris Louis C. Wheeler 1963-10-13 8406 Los Angeles Altadena: 47 E. Pine Street. Comment
  SDSU19654  Malva assurgentiflora Michael G. Simpson, Adrienne Russell & Jonathan Dunn 2000-7-21 2212 Los Angeles Courage Street, across from the Galley, San Clemente Island. 116 Comment
  CATA3336  Malva pseudolavatera Amy Catalano 2017-4-13 053 Los Angeles Santa Catalina Island: East side of electronic gate to Two Harbors at Deer Valley Reservoir, on north side of road 162 Comment
  PASA1781  Malvastrum rotundifolium Jian I Thompkins Los Angeles Sister Elsie Peak Comment
  SD251719  Marah fabacea M. B. Dunkle 1939-4-4 7251 Los Angeles San Clemente Island, Chenetti Canyon Comment
  UC144506  Marah macrocarpa C. F. Baker 1904-3-18 4058 Los Angeles Claremont Comment
  UC447170  Marah macrocarpa J. Ewan 1931-3-3 4051 Los Angeles East Fork Sepulveda Canyon Santa Monica Mts. Comment
  UCR259953  Marah macrocarpa R. G. Swinney 2010-4-28 12429 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  UCSB6288  Marah macrocarpa Kamb, Peter 1948-2-14 Los Angeles Little Santa Anita Canyon, San Gabriel Mts. 396 Comment
  CHSC92952  Marah macrocarpa var. macrocarpa John Dittes 2006-1-2 1308 Los Angeles Transverse Ranges; San Gabriel Mtns.; Big Tujunga Cyn; ca. 3.2 air-miles SW of Gold Cyn Saddle, 1.3 airmiles NE of intersection of Sunland blvd and 210 Fwy, 1.1 air-mile NW of Verdugo Hills Highschool; near Oro Vista Ave where it crosses Big Tujunga Creek; edge of floodplain of Big Tujunga Creek. 393 Comment
  RSA660771  Marah macrocarpa var. macrocarpa Laura Moore, Ron Burchet, LeRoy Gross, Debby Zygielbaum 2000-6-8 45 Los Angeles Verdugo Mountains; La Tuna Canyon Park. Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 586 Comment
  UCR220243  Marrubium vulgare R. G. Swinney 2009-4-15 10340 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, north of Azusa, El Encanto Azusa River Wilderness Park 296 Comment
  RSA0036913  Marrubium vulgare Phil Elliott 1981-2-20 13 Los Angeles Diamond Bar, 1/2 mile west of Diamond Bar Blvd., 1/4 mile south of Grand Ave. Comment
  RSA409831  Marrubium vulgare Larry E. DeBuhr 1972-9-3 711 Los Angeles San Clemente Island: Horse Canyon, the first canyon west of Thirst Park. 457 Comment
  CAS-BOT-BC348119  Matricaria discoidea Alice Eastwood 1906-5-27 188 Los Angeles Country adjacent to Los Angeles. San Pedro Comment
  POM320  Meconella denticulata L. R. Abrams 1899-03 235 Los Angeles Santa Monica Mts. Comment
  CDA4224  Medicago polymorpha L. C. Wheeler 1967-5-15 9602 Los Angeles San Gabriel Mountains, Elsmere Canyon; bottom of canyon near mouth. Comment
  OBI35717  Medicago polymorpha Rebecca Cicoria 1982-4-25 46 Los Angeles Palos Verdes Peninsula: Purple Cyn, Rolling Hills Comment
  POM348052  Medicago polymorpha var. brevispina C. B. Liter, J. A. Powell 1928-4-5 s.n. Los Angeles Catalina Island. Banning Canyon. Comment
  POM348068  Medicago sativa William Greenberg 1939-7-24 s.n. Los Angeles Beverly Hills Canyon. Comment
  CAS-BOT-BC281496  Melica imperfecta H. E. Hasse 1891-4-1 s.n. Los Angeles Near Santa Monica Comment
  CAS-BOT-BC281530  Melica imperfecta W. R. Dudley 1900-7-9 s.n. Los Angeles San Gabriel Peak Comment
  LA89867  Melica imperfecta Elizabeth McClintock; 1945-5-1 sn Los Angeles SANTA MONICA MOUNTAINS, Dry Canyon-Cold Creek Road. Comment
  RSA656324  Melica imperfecta Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 686 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., Area burned in August 1999. 594 Comment
  RSA724991  Melica imperfecta K. Dobry 1991-5-13 d- 544 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  SBBG56873  Melica imperfecta R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  UC1108611  Melica imperfecta Huron H. Smith 1912-5-31 5059 Los Angeles Pebble Beach Road; Santa Catalina Island 7 Comment
  UCD87783  Melica imperfecta A. A. Beetle 1946-2-7 4207 Los Angeles Near westwood, Santa Lucia Mts. Comment
  UCR2561  Melica imperfecta F. M. Reed 1925-5-18 5134 Los Angeles La Canyada [La Canada] 396 Comment
  UCR193531  Melica stricta R. G. Swinney 1999-6-18 7296 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  CDA4204  Melilotus indicus L. C. Wheeler 1963-6-2 8260 Los Angeles San Gabriel Mountains; San Gabriel Mountains: Valley Forge Campground, West Fork San Gabriel River. Comment
  RSA782210  Melilotus officinalis R. G. Swinney 2009-8-25 11496 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  UCR177518  Mentha suaveolens Scott D. White 2003-7-31 9718 Los Angeles Transverse Ranges; San Gabriel Mountains region, Tujunga area. Big Tujunga Wash south of the I-210 freeway. S terminus of Christy Ave. 329 Comment
  UCR231915  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
  SBBG13191  Mentzelia affinis E. R. Blakley 1962-6-9 5194 Los Angeles 0.25 mi toward Pyramid Cove from China Pt Comment
  RSA729182  Mentzelia dispersa R. G. Swinney 1998-7-14 6442 Los Angeles Pine Mountain Ridge; 0.2-0.3 mi. west of Camp Lupine trail. Broad ridge top montane coniferous forest. 2247 Comment
  SBBG69247  Mentzelia dispersa M. N. Ackley 1926-5-6 500 Los Angeles Little Rock foothills 914 Comment
  UC174063  Mentzelia dispersa Geo. B. Grant Jun 15 1906-Jun 18 1906 Los Angeles San Gabriel Mts., Summit of Mt. Wilson 1828 Comment
  RSA296869  Mentzelia laevicaulis F. W. Peirson 1918-6-16 121 Los Angeles San Gabriel Mts. Rock Creek 1448 Comment
  RSA794753  Mentzelia laevicaulis Jane Tirrell, Graham Bothwell 2012-7-11 LS 0104 Los Angeles North side California State Route 2 approx. 200 m east of mile marker 67.86. 2308 Comment
  RSA149737  Mentzelia laevicaulis Wesley O. Griesel 1961-8-9 s.n. Los Angeles San Gabriel Mts. State Highway #2 between Dawson Saddle and Vincents Gap. 2287 Comment
  RSA279067  Mentzelia micrantha Robert F. Thorne, C. W. Tilforth 1971-4-9 41533 Los Angeles Angeles National Forest; or near entrance thereto and below entrance to wooded area of San Dimas Canyon along San Dimas Creek. 381 Comment
  SEINET3155019  Mentzelia micrantha Brandegee 1889-1 sn Los Angeles Santa Catalina Island Comment
  UC187603  Mentzelia micrantha Katharine Brandegee May 17 1916-May 25 1916 Los Angeles Santa Catalina Island Comment
  UCR220382  Mentzelia micrantha R. G. Swinney 2009-4-16 10354 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
  RSA446884  Mentzelia veatchiana Ora M. Clark 1929-3-29 1817 Los Angeles East of Sandberg. Comment
  SEINET3071266  Mesembryanthemum chilense Ken Hamilton 1984-4-22 18 Los Angeles La Crescenta City Comment
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Sep 16 2014
  SBBG53308  Mesembryanthemum crystallinum D. M. Power 1972-11-11 Los Angeles terrace W of Wilson's Cove Comment
  UC284779  Mesembryanthemum nodiflorum P. A. Munz 1923-4-13 6786 Los Angeles San Clemente Island, along coast San Clemente Island Comment
  SD52972  Mesembryanthemum nodiflorum Peter H. Raven 1962-7-11 17995 Los Angeles San Clemente Island, just south of old airstrip Comment
  UCR189271  Microseris lindleyi R. G. Swinney 1998-5-16 6083 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  UCR280550  Microseris lindleyi R. G. Swinney 2014-4-18 16133 Los Angeles San Gabriel Mountains, NE of Littlerock Dam, north end of Alimony Ridge, south side of Mt. Emma Rd., to 75 m south of road 976 Comment
  RSA469891  Microsteris gracilis subsp. gracilis L. C. Wheeler 1932-3-13 473 Los Angeles Puddingstone Dam, San Jose Hills. 305 Comment
  UCR193455  Mimulus R. G. Swinney 1999-6-18 7279 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  CATA1023  Mimulus aurantiacus Mark L. Hoefs 1995-5-4 1940 Los Angeles Santa Catalina Island: Near road between Cherry Valley and Howlands Landing 91 Comment
  IRVC26192  Mimulus aurantiacus A. C. Sanders, Mark A. Elvin 2003-6-18 26950 Los Angeles around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon Santa Susana Mountains, Western Transverse Range 1037 Comment
  LA51929  Mimulus aurantiacus A. M. Johnson; 1934-5-4 4473 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  RSA522341  Mimulus aurantiacus Tim S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4021 Los Angeles San Gabriel Mountains: NE of Tie Summit Station and E of Angeles Forest Highway, Tujunga Ranger District, Angeles National Forest. Comment
  UC1922286  Mimulus aurantiacus Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 714 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999. Near 34deg 14' 12.6'' N 118deg 17' 24.7'' W T2N 518 Comment
  UCR178380  Mimulus aurantiacus LeRoy Gross 2003-3-9 790 Los Angeles Transverse Ranges: San Rafael hills, (Verdugo Mountains Flora), Southwest side. A west-east trending ridge southwest of Flint Peak. Entered at west end, at Mount Carmel Drive, east of the (2) Glendale freeway, between Chevy Chase Drive (Sycamore Canyon) to the north, and Glenoak Blvd. (Scholl Canyon) to the south 357 Comment
  JEPS87292  Mimulus aurantiacus var. pubescens David M. Thompson 1992-5-22 1074 Los Angeles above Claremont (along Mt. Baldy Road, 0.8 rd mi above (n of) upper tunnel) 1100 Comment
  RSA0058217  Mimulus brevipes R. G. Swinney 2010-6-23 13351 Los Angeles San Gabriel Mountains/Verdugo Mountains: Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace. 335 Comment
  SFV15553  Mimulus brevipes R. K. Stachelek 1992-5-2 30 Los Angeles Santa Monica Mountains Tapia Park, off Malibu Canyon Road. 150 Comment
  RSA420675  Mimulus cardinalis Louis C. Wheeler 1931-8-22 11 Los Angeles Puddingstone Lake. 259 Comment
  RSA777362  Mimulus floribundus Orlando Mistretta, Christine Mistretta 2010-5-19 5113 Los Angeles Aliso Canyon; approximately 1.75 mile NW of the intersection of Aliso Cyn and the Angeles Forest Hwy. 1103 Comment
  SFV21882  Mimulus fremontii L. L. Zung 2011-5-17 8 Los Angeles San Gabriel Mountains Juniper Hills. 1280 Comment
  RSA611518  Mimulus fremontii var. fremontii Louis C. Wheeler 1968-5-12 s.n. Los Angeles Spring 2/3 mile E of Juniper Bowl; Juniper Hills. 1159 Comment
  UC1023689  Mimulus fremontii var. fremontii Francis W. Pennell 1940-5-5 25320 Los Angeles w Sunland; Big Tujunga Wash 396 Comment
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May 20 2010
  RSA0021967  Mimulus guttatus Duncan S. Bell, Caitlin Elam 2013-6-24 5279 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
  UCR206127  Mimulus guttatus R. G. Swinney 2008-6-9 9013 Los Angeles San Gabriel Mtns., middle fork of Punchbowl Canyon at junction with South Fork Trail, 2.1 mi. SSE of Devils Punchbowl Co. Park headquarters via trail 1585 Comment
  SBBG45698  Mimulus guttatus Leota Davidson 1965-5-15 107 Los Angeles Cottonwood Flats Cmpgrd, Elizabeth Cyn, between Castaic and Lake Hughes Comment
  RSA641693  Mimulus johnstonii Orlando Mistretta 1993-6-2 867 Los Angeles San Gabriel Mountains: Vincent Gulch Mine. 2079 Comment
  RSA0028706  Mimulus longiflorus Regina Allen 1983-5-16 s.n. Los Angeles Evey Canyon in San Gabriel Mts. 1 mi. north of San Antonio Dam off Mt. Baldy Rd. Comment
  UCD122712  Mimulus microphyllus Louis C. Wheeler 1967-5-15 9595 Los Angeles San Gabriel Mountains: bottom of Elsmere Canyon near mouth. 434 Comment
  RSA239172  Mimulus moschatus Robert F. Thorne, M. Z. Thorne 1969-7-10 39369 Los Angeles San Gabriel Mts; Angeles National Forest; ca. 1 mile W of Wrightwood along Wrightwood-Big Pines Hwy. 1951 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
  RSA749075  Mimulus pilosus R. G. Swinney 2005-8-11 8450 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  SEINET3159701  Mimulus puniceus G. B. Grant 1904-4-24 285 Los Angeles Santa Catalina Island. Comment
  RSA729379  Mimulus rubellus R. G. Swinney 1998-7-21 6469 Los Angeles Upper Fish Fork drainage, south-facing slope of Pine Mountain Ridge, 2.1 mi. SW of Fish Fork Trail and Pine Mt. Ridge. 2085 Comment
  SBBG17763  Mirabilis californica P. H. Raven 1962-5-9 17655 Los Angeles rd just N of Guds 249 Comment
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Oct 12 2015
  UCR125247  Mirabilis laevis A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25519 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters, west of ranch house 358 Comment
  UCR157988  Mirabilis multiflora David Charlton, Virginia Howard 1989-5-11 3184 C Los Angeles Mojave Desert, Antelope Valley, Quartz Hill, corner of Ave. 'M' and 50th St. West 762 Comment
  SEINET1869728  Modiola caroliniana A. C. Sanders 2003-1 26287 Los Angeles San Gabriel Valley: Irwindale, near boundary of Azusa, south side of Montoya St. just east of Irwindale Ave., south of I-210. 171 Comment
  RSA611046  Monardella breweri Louis C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mountains: Top of ridge north of Punchbowl Canyon. 1479 Comment
  UC1537597  Monardella exilis Gordon H. True Jr. 1935-4-18 245 Los Angeles Lovejoy Butte 853 Comment
  RSA131240  Monardella lanceolata var. lanceolata Percy C. Everett, E. K. Balls 1959-6-2 23826 Los Angeles 1 miles NE of entrance of Stokes Canyon, Santa Monica Mountains. 183 Comment
  UC1484454  Monolopia lanceolata Dale E. Johnson with J. E. Eckenwalder 1974-4-19 72 Los Angeles on Highway 138 (Antelope Valley Road) 16 km (10 mi) e I-5 Lebec-Castaic Highway; w Antelope Valley Comment
  CAS-BOT-BC108994  Mucronea californica Geo. B. Grant 1904-5-14 6220 Los Angeles Play del Rey. Comment
  RSA29679  Mucronea californica Louis C. Wheeler 1932-5-26 746 Los Angeles San Gabriel wash at Arrow Highway. 107 Comment
  UCR205262  Muhlenbergia californica R. G. Swinney 2005-8-17 8503 Los Angeles San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Holcomb Canyon south of South Fork Trail 1524 Comment
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Dec 21 2018
  SEINET2473456 Image available Muhlenbergia microsperma Richard G. Swinney 2009-1 10104 Los Angeles San Gabriel Mtns. Foothills; Azusa, mouth of San Gabriel River Canyon, 0.7 mi. north of Sierra Madre Ave. on north side of Hwy 39 226 Comment
  CAS-BOT-BC275086  Muhlenbergia richardsonis Victor Duran 1933-7-20 3522 Los Angeles Buckhorn, San Gabriel Mountains 1981 Comment
  POM11634  Muilla maritima Philip A. Munz 1921-6-18 4631 Los Angeles Head of Swartout Valley. 2287 Comment
  RSA771598  Muilla maritima Richard G. Swinney 2009-5-27 10903 Los Angeles South Fork Little Rock Creek, road between Alder Saddle and road to Sulphur Springs Campground, 4 m above canyon bottom along roadside 1591 Comment
  UCR189890  Muilla maritima R. G. Swinney 1998-7-27 6496 Los Angeles San Gabriel Mtns., Dry Lake, south of Sunset Peak at head of Dry Lake Canyon 1515 Comment
  POM1690  Muilla maritima Harry Pruett 1909-5-25 17 Los Angeles Claremont. 365 Comment
  RSA586342  Muilla maritima Orlando Mistretta 1995-3-17 1552 Los Angeles Slopes southwest of Little Rock reservoir. On Emma section of Little Rock Creek Management Unit. 1219 Comment
  SEINET12047982  Muilla maritima D. M. Mukunya 1967-1 58 Los Angeles Wash-Pomona College, Claremont, San Gabriel Comment
  RSA0010801  Myoporum laetum Robert Gustafson 1981-2-4 2095 Los Angeles Ballona Wetlands, southwestern section of Area 1. Comment
  RSA0073584  Nama demissa var. demissa Orlando Mistretta, Christine Mistretta 2003-4-30 1980 Los Angeles Saddleback Butte State Park. 824 Comment
  RSA661170  Nassella cernua LeRoy Gross 2001-5-27 424 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 Comment
  SEINET193423  Nassella cernua F. W. Gould 1944-3-26 2176 Los Angeles N slopes of Palos Verdes Hills near Walteria Comment
  RSA151276  Nassella lepida P. H. Raven 1962-4-9 17171 Los Angeles San Clemente Island. Wilson Cove. 61 Comment
  RSA3567  Nassella lepida C. B. Wolf 1932-5-12 3580 Los Angeles Hillside east of the Isthmus, Santa Catalina Island. 30 Comment
  UCD87794  Nassella lepida T. S. B. 1890-4-12 s.n. Los Angeles Santa Catalina Island. Comment
  RSA603554  Nassella pulchra Sara L. Crockett, Mark Hoefs, Steven A. Junak, Janet Takara 1997-3-28 620 Los Angeles N side of Cherry Harbor, overlooking harbor, ca. 60 m upslope. 75 Comment
  RSA641009  Nassella pulchra Steven A. Junak 1992-6-3 254 Los Angeles West Anacapa Island: SW side of island, near top of coastal bluffs at E end of middle terrace (just E of conspicuous bare area). 152 Comment
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Dec 27 2013
  RSA661181  Nassella pulchra LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 406 Los Angeles Vedugo Mountains Region: Northwest side, Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane off of Newhome Ave. in city of Sunland 518 Comment
  SBBG108129  Nassella pulchra S. L. Crockett, S. Schueller 1997-3-8 562 Los Angeles Cottonwood Beach, ca. 25 m W of rd 79 Comment
  RSA631373  Nasturtium officinale L. C. Wheeler 1967-5-31 9808 Los Angeles Pallet Creek at confluence with Big Rock Creek 1082 Comment
  RSA651169  Nasturtium officinale G. F. Orr 1956-4-28 s.n. Los Angeles South Fork 487 Comment
  UC52510  Navarretia atractyloides Ernest Braunton 1902-6-13 477 Los Angeles n side Griffith Park Comment
  RSA715161  Navarretia hamata A. C. Sanders 2003-5-22 26831 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel. 171 Comment
  RSA723067  Navarretia hamata subsp. hamata LeRoy Gross 2007-5-16 2735 Los Angeles Southern side of the range: Near debris basin by Bel Aire Park. Northeast of the intersection of Bel Aire Drive and Cambridge Drive. Near 273 Comment
  SBBG122012  Navarretia setiloba A. Parikh, N. Gale 2003-6-13 755 Los Angeles E of dirt track between Cruzan Mesa and Plum Cyn, 1.9 km W of Sierra Hwy, 2 km SW of Vazquez Cyn Rd 670 Comment
  UC6596  Nemacaulis denudata var. denudata A. J. McClatchie July, 1896 Los Angeles Long Beach Comment
  SEINET10464921  Nemacladus glanduliferus var. orientalis Jones Jones s.n. Los Angeles Los Angeles Comment
  POM7590  Nemacladus ramosissimus P. A. Munz 1920-5-2 3827 Los Angeles San Dimas Canyon. 457 Comment
  RSA599690  Nemacladus ramosissimus Steve Boyd, Lauren Raz 1997-5-6 9709 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  RSA587467  Nemacladus sigmoideus Orlando Mistretta 1995-4-11 1617 Los Angeles San Gabriel Mountains. Santiago canyon. Canyon and slopes draining W slopes of Santiago Canyon ca. 1 mi. SW of confluence with Little Rock Creek. 1098 Comment
  UCR182260  Nemophila menziesii R. G. Swinney 1998-4-14 6025 Los Angeles San Gabriel Mtns./Southern Mojave Desert, 100 m east of mouth of Mescal Canyon, in Mescal Heights area, 50 m east of 237th St. East 1512 Comment
  RSA421308  Nemophila menziesii M. Bisbee 1917-6-2 s.n. Los Angeles Exposition Park Comment
  RSA421375  Nemophila menziesii var. integrifolia Louis C. Wheeler 1932-4-16 635 Los Angeles W fork Santa Anita Canyon. 762 Comment
  CATA218  Nemophila menziesii var. menziesii Mark L. Hoefs, A. Douglas Propst 1973-5-4 204 Los Angeles Santa Catalina Island: Middle of Middle Ranch Canyon, north exposure 243 Comment
  RSA611655  Nemophila menziesii var. menziesii Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10085 Los Angeles Liebre Mountains region: Anaverde Valley at north base of Sierra Pelona. 976 Comment
  RSA0017032  Nemophila menziesii var. menziesii Unspecified 670415 Los Angeles Angeles National Forest Upper Big Tujunga Wash Streamside. 1067 Comment
  RSA421490  Nemophila pedunculata Cameron Blake 1962-6-2 951 Los Angeles Off Angeles Crest Hwy, ca. 5 mi. N of La Canada. 793 Comment
  RSA653291  Nemophila pedunculata Kelly Middleton, David Middleton 1988-5-8 7 Los Angeles Glendora Ridge Road, 4.4 miles north of Glendora Mountain road and Sierra Madre Blvd. in Glendora 1220 Comment
  RSA729607  Nicotiana attenuata R. G. Swinney 1998-7-10 6370 Los Angeles Prairie Fork, near Cabin Flats Campground. Chaparral and riparian zone. 1591 Comment
  UCSB63554  Nitrophila occidentalis Sanders, A.; Lott, E. 1993-5-6 Los Angeles Western Mojave Desert; SW edge of Rosamond Dry Lake, near E end of Ave C, just W of Piute Ponds and E of Sierra Hwy., at edge of Edwards AFB; (T8N R12W S14); [UTM 10km cell: LJ-9E, 4N, Sterks Ranch] 701 Comment
  CATA3305  Nuttallanthus texanus Amy Catalano 2017-3-22 022 Los Angeles Santa Catalina Island: On the se facing slope of the ridge leading towards (sw) the Skull Canyon-Middle Ranch roads junction 193 Comment
  CAS-BOT-BC167051  Oenothera californica H. M. Hall 1900-6-3 1535 Los Angeles Swarthout Canyon, San Antonio Mountains 2072 Comment
  UCR206263  Oenothera californica R. G. Swinney 2008-6-4 8942 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, c. 100 m SW of park headquarters/nature center 1470 Comment
  RSA578597  Oenothera californica subsp. californica Tim S. Ross, Steve D. Boyd 1994-5-4 7616 Los Angeles Liebre Mountains, San Francisquito Canyon: headwaters of the canyon, NE of Green Valley; ca 600m SW of summit of grade; ca 2460 m ESE of Grass Mountain summit 1055 Comment
  UCR138537  Oenothera californica subsp. californica L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mtns, Juniper Hills Road, Juniper Hills, just north of road 1372 Comment
  UCSB23981  Oenothera californica subsp. californica Jensen, Karen 1965-5-1 Los Angeles Road divider, U.S. Highway 99, south of Gorman 914 Comment
  CHSC22128  Oenothera deltoides Robert A. Schlising 1972-6-1 3042 Los Angeles 1.0 mi SW of jct hwy N2 and Spunkey Canyon Road, along latter. Comment
  JEPS43972  Oenothera elata subsp. hirsutissima Frank W. Peirson 1918-8-18 127 Los Angeles San Antonio Canyon San Gabriel Mts. 1341 Comment
  UCR262473  Oenothera rosea Esther Chuang 2013-5-19 52 Los Angeles Walnut, 21840 Arbor Court 216 Comment
  RSA731535  Oncosiphon piluliferum R. E. Riefner 2006-7-8 06 -294 Los Angeles City of Long Beach, Studebaker Rd. at 22 Freeway. 6 Comment
  RSA661004  Opuntia ficus-indica LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 396 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. 274 Comment
  RSA439560  Opuntia oricola F. H. Elmore 1939-2-18 382 Los Angeles San Clemente Island. Comment
  RSA188357  Opuntia prolifera R. F. Thorne, Percy C. Everett 1965-6-24 35049 Los Angeles Santa Catalina Island, on ridge between Little Harbor and mouth of Cottonwood Canyon. 61 Comment
  CHSC95873  Oreonana vestita LeRoy Gross; Valerie Soza 2003-6-10 1018 Los Angeles Transverse Ranges; San Gabriel Mountains region: Mount Baldy Trail from Baldy Village to summit of Mount San Antonio. South of West Baldy. UTM Zone; 3793403N 0439641E. Just off the trail. 2896 Comment
  RSA0076171  Orobanche bulbosa Robert F. Thorne 1966-4-29 36327 Los Angeles Santa Catalina Island: below road to White's Landing above turn-off to Echo Lake. 411 Comment
  RSA601332  Orobanche fasciculata Steve Boyd, Lauren Raz 1997-6-17 9962 Los Angeles Liebre Mountains region: Summit of Burnt Peak, generally to the northeast of the FAA site. 1706 Comment
  RSA747403  Orobanche fasciculata R. G. Swinney 2008-6-4 8948 Los Angeles Devils Punchbowl Co. Park, 0.5 mi. north of park headquarters in headwaters of Sandrocks Canyon 1402 Comment
  SEINET13276687 Image available Orobanche fasciculata R. G. Swinney 2011-1 15249 Los Angeles San Gabriel Mountains: Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy (Waterman Mt. 7.5' Q.) 1780 Comment
  UCR193152  Orobanche fasciculata R. G. Swinney 1999-8-14 7620 Los Angeles San Gabriel Mtns., west Dawson Peak ridge, c. 1 mile due west of Dawson Peak 2488 Comment
  RSA402056  Orthocarpus purpurascens Louis C. Wheeler 1932-3-19 531 Los Angeles UCLA Campus, West L.A 137 Comment
  SEINET12270215  Orthocarpus purpurascens A. R. Hinde 1884-1 s.n. Los Angeles Anaheim Comment
  RSA80237  Orthocarpus purpurascens var. ornatus F. W. Peirson 1932-4-17 9852 Los Angeles Below the Lovejoy Dam, Lovejoy Buttes, Mojave Desert. 762 Comment
  LA82190  Oxalis californica O. H. Kappler; 1941-3-30 169 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UCSB11396  Oxalis corniculata Wisehart, Karen 1962-4-16 Los Angeles 6917 Oak Park Ave., Van Nuys Comment
  UCR178798  Oxalis pes-caprae R. G. Swinney 1989-4-1 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park ; Big Dalton Canyon 428 Comment
  RSA529188  Oxytheca parishii var. parishii Tim S. Ross, Steve Boyd 1991-7-24 5647 Los Angeles San Gabriel Mountains, Granite Mountain: NNE slope 1915 Comment
  RSA695510  Oxytheca trilobata Valerie L. Soza, Sarah J. De Groot 2003-6-18 1694 Los Angeles Mount Hillyer Trail from Horse Flats Campground. 1829 Comment
  RSA392789  Oxytheca trilobata Robert Kessler 1921-7-4 3447 Los Angeles Barley Flats, San Gabriel Mts. Comment
  CAS-BOT-BC318203  Packera breweri Samuel Bonsal Parish 1887-6-1 1893 Los Angeles Summit of Tejon Comment
  POM145679  Packera breweri L. R. Abrams 1927-4-30 11720 Los Angeles Head of Antelope Valley. Comment
  RSA594554  Panicum capillare F. R. Fosberg, Joseph A. Ewan 1931-8-11 782 Los Angeles Crystal Lake: north fork of San Gabriel Canyon 1600 Comment
  RSA187833  Papaver somniferum Robert F. Thorne 1966-6-1 36476 Los Angeles Santa Catalina Island, field near small building, in Pebbly Beach Canyon near upper end of road, possibly escaped Comment
  RSA150908  Parapholis incurva P. H. Raven 1962-4-11 17276 Los Angeles Sandy beach behind Northwest Harbor, San Clemente Island 6 Comment
  UC120528  Parapholis incurva T. S. Brandegee 1890-5-20 54 Los Angeles Santa Catalina Island Comment
  RSA599964  Parietaria hespera var. hespera Louis C. Wheeler 1968-3-21 s.n. Los Angeles San Gabriel Mountains: Glendora Ridge Truck Trail. 701 Comment
  UCR110590  Parnassia cirrata L. C. Wheeler 1968-7-3 s.n. Los Angeles San Gabriel Mtns, [Pigeon Ridge] west of heliport 1585 Comment
  RSA544560  Paspalum dilatatum Timothy S. Ross, Elizabeth Kellogg 1992-4-13 6148 Los Angeles San Clemente Island. Near Nots Pier, at mouth of draw below the Nots Pier road (38? NW, 785m distant from Jack Point lighthouse) Comment
  UCR177143  Pectocarya anisocarpa L. C. Wheeler 1967-5-2 9351 Los Angeles San Gabriel Mtns, Liebre Mtns, north side of northwesternmost end of foothills (of San Gabriel Mtns) between Bouquet Junction and Bonelli Ranch 427 Comment
  UCR192057  Pectocarya linearis A. C. Sanders 2008-4-11 34860 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School, NW of VABM 'Pine 970 Comment
  RSA570181  Pectocarya linearis subsp. ferocula Tim Ross, Steve Boyd, L. Arnseth 1991-4-30 5018 Los Angeles San Gabriel Mtns, 0.6 mile ESE of Action, rocky slope (Oligocene Volcanic) on the S edge of Soledad Canyon Wash. 841 Comment
  UCR191712  Pectocarya penicillata A. C. Sanders 2008-4-11 34874 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School 945 Comment
  RSA772398  Pectocarya setosa R. G. Swinney 2009-5-12 10725 Los Angeles Transverse Range, San Gabriel Mountains, Alimony Ridge, Junction of Alimony Ridge & Alimony Ridge Rd. and to 0.5 mi NW up ridge 1435 Comment
  RSA507569  Pectocarya setosa L. C. Wheeler 1967-5-9 9377 Los Angeles Aliso Canyon E of Acton. 915 Comment
  LA94156  Pellaea andromedifolia Lawrence L. Kiefer; 1966-5-7 2002 Los Angeles SANTA MONICA MOUNTAINS, Malibu Canyon, ravine above the road and ca 0.5 mi below the tunnel. 213 Comment
  RSA0091776  Pellaea andromedifolia R. G. Swinney 2011-4-9 14378 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
  UCR258925  Pellaea andromedifolia R. G. Swinney 2010-5-7 12612 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, 150 m to 0.2 miles west of I-210 Fwy. overpass along Haines Canyon stream channel/ south fork of Big Tujunga Wash 357 Comment
  LA212164  Pellaea andromedifolia A. L. Haines; 1937-4-15 s.n. Los Angeles SAN GABRIEL MOUNTAINS, Santa Anita Canyon. 457 Comment
  UCR220191  Pellaea mucronata R. G. Swinney, Jane Strong 2009-4-7 10304 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Antonio Canyon, 2.4 miles north of Shinn Rd. 1073 Comment
  RSA686704  Pellaea mucronata subsp. californica T. R. Pray 1955-10-8 1036 Los Angeles Little Rock Canyon; Santiago Branch, on N side of San Bernardino Mts. Comment
  UCR276792  Pellaea mucronata subsp. mucronata R. G. Swinney 2011-3-29 14254 Los Angeles San Gabriel Mts., Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel 366 Comment
  UC71382  Pellaea mucronata var. mucronata J. H. Barber 1897-7-6 245 Los Angeles Mt Gleason Comment
  CHSC101199  Penstemon centranthifolius Sula Vanderplank; LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -40 Los Angeles Transverse Ranges; San Gabriel Mountains region: off Big Pines Hwy (Road N) on the north side of the San Gabriel Mountains, near Shoemaker Canyon. 1444 Comment
  JEPS13628  Penstemon centranthifolius Peter Kamb 1947-6-1 551 Los Angeles n slope Mt. Disappointment San Gabriel Mts. 1554 Comment
  RSA570004  Penstemon centranthifolius Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4927 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity. 492 Comment
  RSA408060  Penstemon grinnellii N. C. Cooper 1949-6-18 4203 Los Angeles Angeles Crest Hwy. 1524 Comment
  RSA408039  Penstemon grinnellii subsp. grinnellii G. R. Johnstone 1931-5-17 s.n. Los Angeles Big Rock Creek Canyon. Comment
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Jun 10 2012
  POM4207B  Penstemon heterophyllus subsp. australis Philip A. Munz 1918-5-26 2276 Los Angeles Claremont. Near mouth of Live Oak Canyon. Comment
  NY601668  Penstemon heterophyllus var. australis A. J. McClatchie 1893-5-20 s.n. Los Angeles Comment
  RSA549490  Penstemon labrosus Tim S. Ross, Steve D. Boyd 1990-6-18 3472 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  RSA703174  Penstemon rostriflorus Scott D. White 2004-8-11 10709 Los Angeles San Gabriel Mountains: About 8 air miles west - northwest of Wrightwood. East of Fenner Saddle Rd. on Pacific Crest Trail. 2073 Comment
  LA51909  Penstemon spectabilis var. subviscosus S. Beller; 1962-4-3 sn Los Angeles SANTA MONICA MOUNTAINS, near Calabasas. Comment
  SD113670  Penstemon spectabilis var. subviscosus Darley F. Howe 1915-6-3 69 Los Angeles Claremont Comment
  UC812467  Pentagramma triangularis subsp. triangularis F. R. Fosberg 1931-3-20 R 76 Los Angeles Hamilton Canyon; Santa Catalina Isl 35 Comment
  UCSB43768  Pentagramma triangularis subsp. viscosa Nakashima, L. 1982-4-18 Los Angeles 1.7 miles south of Catalina airfield in Cottonwood Canyon of Santa Catalina Island 411 Comment
  CAS-BOT-BC73761  Peritoma arborea var. arborea George B. Grant; Walter Wheeler 1904-4-21 3460 Los Angeles Santa Catalina Island, off southern California Comment
  CAS-BOT-BC355971  Perityle emoryi L. R. Abrams; I. L. Wiggins 1931-7-3 310 Los Angeles Channel Islands. Santa Barbara Island Comment
  RSA515113  Perityle emoryi Aaron Liston, Orlando Mistretta, L. Rieseberg 1989-4-28 795 -7 Los Angeles San Clemente Island, China Canyon, central branch, S end of island. Comment
  SD251678  Perityle emoryi F. R. Fosberg 1931-4-3 S 4463 Los Angeles Pebble Beach Road, Santa Catalina Island, Upper Sonoran Zone 4 Comment
  SD241150  Persicaria hydropiper A. C. Sanders 2009-6-1 37065 Los Angeles San Gabariel Valley: Rio Hondo in Whittier Narrows area, west of RosemeadBlvd. (Hwy 19) under SCE powerlines, beyond a tree nursery (El Monte 7.5'Q) 63 Comment
  LA33809  Persicaria punctata Peter H. Raven; Henry J. Thompson 1959-10-14 14624 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, E-end 220 Comment
  RSA5355  Petalonyx thurberi subsp. thurberi Carl B. Wolf 1932-10-19 4350 Los Angeles Mint Canyon, 8 mi. above Saugus. 427 Comment
  RSA127444  Petunia parviflora Peter H. Raven, Henry J. Thompson 1959-10-14 14621 Los Angeles East end of Malibu Lake. 221 Comment
  RSA75931  Phacelia austromontana F. W. Peirson 1921-7-3 2486 Los Angeles on trail northeast of Rock Creek divide Comment
  UC511785  Phacelia bicolor var. bicolor Frank W. Peirson 1933-5-13 10664 Los Angeles 10 mi s Muroc Comment
  UCR256572  Phacelia brachyloba Anuja Parikh, Nathan Gale 2011-6-27 3513 Los Angeles Transverse Ranage; San Gabriel Mountains, Upper Big Tujunga Canyon, 0.1 km SW of Shortcut Station, 0.5 km north of State Hwy 2, Angeles Crest Hwy 1277 Comment
  LA200564  Phacelia cicutaria var. hispida Norman A. Cole; May 1964 354 Los Angeles SANTA MONICA MOUNTAINS, 2.9 mi from Pacific Coast Hwy along Rambla Pacifico. 335 Comment
  RSA3742  Phacelia cicutaria var. hispida Carl B. Wolf 1932-5-11 3567 Los Angeles Santa Catalina Island. Point west side of Fourth O July Cove. 30 Comment
  RSA579542  Phacelia cicutaria var. hispida Tim S. Ross, Steve D. Boyd 1994-6-23 8072 Los Angeles Sawmill Mountain: N slope ca 330 m SE to 525 m ENE of Sawmill Campground, descending NE along a ridge at the head of west fork Devils Gulch. 1646 Comment
  RSA730281  Phacelia cicutaria var. hispida R. G. Swinney 1998-8-1 6622 Los Angeles San Gabriel Mtns.: Vincent Gulch, 2.5 mi. ESE of the summit of Mt. Baden-Powell, c. 0.6 mi. above confluence with San Gabriel River. 1427 Comment
  SD69694  Phacelia cicutaria var. hispida Robert F. Thorne 1966-4-28 36215 Los Angeles Santa Catalina Island; west-facing rocky bank and talus near upper end Renton Mine Road in Pebbly Beach Canyon. 259 Comment
  UCR210534  Phacelia cicutaria var. hispida R. G. Swinney 2008-12-4 9942 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1 mi. north of Foothill Blvd. 201 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
  SEINET1004984  Phacelia cicutaria var. hubbyi A. C. Sanders, Tricia Wotipka, Mark A. Elvin 2003-1 26115 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Cataic Lake dam. 518 Comment
  UC284120  Phacelia davidsonii Geo. B. Grant Jun 15 1906-Jun 18 1906 Los Angeles summit of Mt. Wilson San Gabriel Mts. 1828 Comment
  RSA0062528  Phacelia distans R. G. Swinney 2010-6-4 13052 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  UCR153954  Phacelia distans A. C. Sanders 2005-5-11 30194 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon along Plum Canyon Rd. between crest and vernal pool on bench in mid canyon, NW of Forest Park between Mint and Bouquet Cyns. 671 Comment
  UCR221911  Phacelia distans R. G. Swinney 2009-4-28 10529 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  POM73561  Phacelia distans H. E. Hasse 1890-04 s.n. Los Angeles [Los Angeles?] Comment
  LA104043  Phacelia douglasii Barry A. Prigge; 1986-4-20 7025 Los Angeles 5.7 mi W of Lake Hughes on Pine Canyon Rd [N2] at Bushnell Summit 1249 Comment
  RSA287438  Phacelia fremontii Lyman Benson 1932-3-25 3148 Los Angeles San Gabriel Mountains. 1128 Comment
  SFV16029  Phacelia grandiflora P. W. Byrne, K. Moser 1994-5-14 25 Los Angeles Santa Monica Mountains Offroad, 30 m from southwest junction between Stunt Road and Mulholland Highway. 325 Comment
  RSA428007  Phacelia imbricata Louis C. Wheeler 1932-5-13 707 Los Angeles 2 miles N of Claremont. 412 Comment
  RSA134003  Phacelia imbricata subsp. imbricata L. R. Heckard 1956-6-30 776 Los Angeles Foothills near Padua Hills Comment
  UCR259409  Phacelia imbricata subsp. patula R. G. Swinney 2010-9-9 13739 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  SBBG50409  Phacelia lyonii M. R. Benedict 1970-6-30 Los Angeles 0.5 mi W of Eagles Nest Comment
  LA40151  Phacelia minor Pickman; 1961-4-23 1 Los Angeles Santa Monica Mountains, Aberdeen Canyon, Griffith Park, Vista del Valle Drive, 0.5 mi. E of Vermont Canyon Road 304 Comment
  CHSC114478  Phacelia ramosissima Duncan S. Bell; Caitlin Elam, Evan Meyer 2013-6-13 5087 Los Angeles Transverse Ranges; San Gabriel Mountains region: Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  CAS-BOT-BC159102  Phacelia ramosissima var. latifolia S. F. Blake 1910-8-11 685 Los Angeles Near Verdugo, near brook Comment
  RSA428276A  Phacelia ramosissima var. latifolia F. R. Fosberg 1930-7-3 3927 Los Angeles Lexington Wash, San Gabriel River. El Monte. 80 Comment
  RSA428212  Phacelia tanacetifolia J. P. Broughton, Long 1971-3-24 1347 Los Angeles Burned area on Cornell Road just E of Lake Enchanto Comment
  SEINET3091900 Image available Phacelia viscida var. albiflora Norman C. Cooper 1945-5-1 2199 Los Angeles Tapia Park area, Santa Monica Mountains. Comment
  CATA1095  Phalaris aquatica Mark L. Hoefs 1995-5-16 2045 Los Angeles Santa Catalina Island: Big Springs Canyon, near road to Two Harbors 103 Comment
  CATA1286  Phalaris aquatica Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-13 2374 Los Angeles Santa Catalina Island: Silver Peak Trail Road, off of Upper West End Road 475 Comment
  UCR266283  Phalaris aquatica D. E. Bramlet 2005-6-2 3867 Los Angeles Whittier Hills, Worsham Canyon 274 Comment
  RSA0034981  Phalaris minor P. R. Brown 1970-4-25 15 Los Angeles Lower end, Canon de Lana. [county not specified] Comment
  RSA533437  Pholistoma auritum Tim S. Ross 1991-4-21 4512 Los Angeles Whittier Hills (Puente Hills, pro parte): Middle Turnbull Canyon drainage just SW of Old Water Tank. 220 Comment
  CAS-BOT-BC222547  Pholistoma auritum var. auritum Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-8 4359 Los Angeles San Clemente Island. E side of island, near Malo Point, third cyn S of Bryce Cyn. Comment
  RSA459308  Pholistoma racemosum F. R. Fosberg 1931-4-16 S- 4643 Los Angeles Eagles Nest, Middle Ranch Canyon; Santa Catalina Island. 180 Comment
  SBBG13588  Pholistoma racemosum P. H. Raven 1962-5-21 17804 Los Angeles upper Bullrush Cyn 274 Comment
  UC1194601  Phoradendron densum Del Wiens 1960-6-12 2717 Los Angeles Hwy. 99 7 mi. s. Gorman (on Ridge Rte.) 914 Comment
  SD215687  Phoradendron juniperinum Timothy S. Ross, Steve Boyd & Peter W. Fritsch 1990-6-11 3370 Los Angeles Big Rock Creek Canyon: along stream and immediately adjacent flats and slopes; ca 130 miles north to 250 miles north-northwest of Icy Springs; Valyermo 7.5' USGS topo sheet 1712 Comment
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Jul 21 2014
  CAS-BOT-BC141144  Phoradendron serotinum subsp. macrophyllum Del Wiens 1955-1-12 941 Los Angeles S of US Hgwy. 99 as it crosses Kellog Hills, W of Pomona 609 Comment
  RSA549502  Phoradendron villosum Tim S. Ross, Steve D. Boyd 1990-6-18 3484 Los Angeles San Gabriel Mountains: Angeles National Forest. Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1877 Comment
  UCR101176  Phoradendron villosum L. C. Wheeler 1962-3-3 7975 Los Angeles San Gabriel Mtns, Kentucky Springs Canyon 1204 Comment
  UCR145195  Phoradendron villosum June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek Fire Station, Fenner Canyon 1616 Comment
  RSA384018  Phyllospadix torreyi Freda Detmers 1932-11-27 16201 Los Angeles 3 miles N [W] of mouth of Topanga Canyon. Comment
  RSA126651  Pickeringia montana H. J. Thompson 1959-5-24 2016 Los Angeles 1.4 miles east of Peak along road from Saddle Peak to Topanga Canyon. 732 Comment
  RSA582473  Picris echioides Timothy S. Ross, Steve Boyd 1993-5-23 7215 Los Angeles Western Arcadia: slope on the N side of the Foothill Freeway (I-210) between Michillinda Avenue and its west-bound off-ramp. 198 Comment
  UCR143646  Pinus A. C. Sanders 1987-12-4 7450 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr. 31 Comment
  RSA384291  Pinus attenuata Christina Clark 1928-11-6 1957 Los Angeles Elysian Park, L.A. Comment
  UC1200601  Pinus attenuata Peter Kamb 1946-1-21 11 .1 Los Angeles below Mt. Lowe (Echo Mountain); San Gabriel Mountains 914 Comment
  CAS-BOT-BC78537  Pinus coulteri John H. Thomas 1957-5-8 6741 Los Angeles San Gabriel Mountains. About 13 miles NE of center of Pasadena 1676 Comment
  RSA611055  Pinus coulteri L. C. Wheeler 1968-5-12 s.n. Los Angeles Divide between Punchbowl Canyon and Watkins Creek at end of road and beginning of Burkhart Trail. 1585 Comment
  RSA714199  Pinus halepensis Valerie Soza, LeRoy Gros, Marisa Sripracha 2001-7-20 1352 Los Angeles Mesa Lila Rd, southeast side of Henderson Canyon. 427 Comment
  RSA716804  Pinus halepensis A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-7 27156 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Potrero canyon, at the old ranch headquarters (barn, corrals, etc.) in the middle of the canyon. 335 Comment
  RSA169031  Pinus jeffreyi Mark Parratt 1964-2-6 608 Los Angeles Table Mountain, Table Mountain Campground area; N-facing slope 3 miles north of Big Pines Ranger Station, Angeles National Forest 2195 Comment
  UCR223094  Pinus lambertiana R. G. Swinney 2009-6-2 11011 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  CATA1929  Pinus radiata Amy Catalano, Anne Kelly 2014-10-14 021 Los Angeles Santa Catalina Island: Middle Canyon Road 271 Comment
  POM123047  Piperia cooperi H. E. Hasse 1890-06 s.n. Los Angeles Foothills, Sierra Santa Monica [Santa Monica Mountains]. Comment
  RSA593415  Piptatherum miliaceum Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz 1996-7-11 8905 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  SEINET4057827  Piptatherum miliaceum B. Ryves 1980-1 sn Los Angeles Hollywood, in park. Comment
  UCR273164  Piptatherum miliaceum R. G. Swinney 2011-10-18 15848 Los Angeles San Gabriel Mountains, 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2 1021 Comment
  SD253410  Plagiobothrys arizonicus R. G. Swinney 2011-4-1 14288 Los Angeles San Gabriel Mts./SW Mojave Desert: WSW of Littlerock, Cheseboro Canyon, 0.4 mile S of California Aqueduct, 20-200 m west of Cheseboro Road (Palmdale 7.5'Q) 890 Comment
  UCR180376  Plagiobothrys arizonicus Scott D. White, Pam Devries 2006-5-9 11415 Los Angeles SE Tehachapi Mtns, Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy and SW of Gorman Post Road 1098 Comment
  UCR93307  Plagiobothrys arizonicus T. S. Ross, Steve Boyd 1994-5-4 7632 Los Angeles San Gabriel Mtns., San Francisquito Canyon: Headwaters of the canyon, NE of Green Valley; c. 600 m SW of summit of grade; c. 2460 m ESE of Grass Mtn summit 1076 Comment
  CATA664  Plagiobothrys canescens Mark L. Hoefs 1991-4-23 1153 Los Angeles Santa Catalina Island: Around upper White's Landing Road 451 Comment
  SFV6242  Plagiobothrys canescens M. H. Grayum, A. Starrett, D. Friesen 1974-5-18 s. n. Los Angeles Santa Susana Mountains Ridge separating upper Ybarra Canyon from East Fork of Devil Canyon. 884 Comment
  RSA527627  Plagiobothrys canescens Steve Boyd 1990-4-8 4410 Los Angeles San Clemente Island: E side of island, Bryce Cyn near Malo Point. Comment
  RSA188019  Plagiobothrys canescens var. catalinensis R. F. Thorne 1966-4-28 36255 Los Angeles Santa Catalina Island: Hay Press area. 427 Comment
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Jan 31 2008
  SD69475  Plagiobothrys collinus var. gracilis Robert F. Thorne 1966-4-5 35804 Los Angeles Santa Catalina Island; west slope of Black Jack Mountain. 518 Comment
  RSA0115852  Plantago coronopus Steven A. Junak 1999-5-8 SCa- 909 Los Angeles Santa Catalina Island. N side of Fern Canyon, Cottonwood Canyon drainage, along abandoned road. 122 Comment
  RSA402019C  Plantago erecta Blanche Trask 1901-03 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  RSA709539  Plantago erecta A. C. Sanders 2003-4-29 26167 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 396 Comment
  RSA762350  Plantago erecta R. G. Swinney 2009-3-6 10051 Los Angeles 1.2 miles north of Foothill Blvd. on east side of Encanto Parkway, confluence of Van Tassel and San Gabriel canyons at west bank of San Gabriel River channel, Azusa/Duarte boundary 201 Comment
  UCR155139  Plantago erecta A. C. Sanders 2005-5-5 29942 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, west edge of Cruzan Mesa, north of Bench Mark 'Plum 671 Comment
  RSA401979  Plantago erecta Anstruther Davidson 1890-05 s.n. Los Angeles [No location data on label] Comment
  RSA523557  Plantago erecta F. W. Peirson 1919-3-27 329 Los Angeles Arroyo Seco near Pasadena 412 Comment
  RSA164773  Plantago lanceolata R. M. Straw 1956-10-18 954 Los Angeles Weed along sidewalks; Pasadena Comment
  RSA412568  Plantago major I. M. Johnston 1917-4-11 13786 Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] Comment
  CATA787  Plantago ovata Mark L. Hoefs, Robert Given 1991-6-12 1353 Los Angeles Santa Catalina Island: Near road above Salta Verde Beach 76 Comment
  SBBG12675  Plantago ovata var. insularis E. R. Blakley 1962-6-9 5184 Los Angeles China Pt near lighthouse 9 Comment
  CDA6591  Plantago psyllium Scott D. White, Pam DeVries 1998-4-19 6283 Los Angeles Santa Fe Flood Control Basin (on the San Gabriel River), City of Irwindale. Comment
  SEINET3892861  Platanthera sparsiflora R. G. Swinney 1998-7-14 6415 Los Angeles San Gabriel Mtns.: Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi south of Camp Lupine (Mount San Antonio 7.5' Q.:).; 0 2195 Comment
  CAS-BOT-BC93179  Platanus racemosa Le Roy Abrams 1899-3-1 s.n. Los Angeles Between Los Angeles and Pasadena. Comment
  RSA0062861  Platanus racemosa LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6774 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  SEINET12036344  Platanus racemosa Unknown 1936-1 12733 Los Angeles near Santa Monica Comment
  CATA546  Pluchea odorata Mark L. Hoefs, Robert F. Thorne 1975-8-7 810 Los Angeles Santa Catalina Island: By reservoir at Middle Ranch 213 Comment
  SEINET11695914  Poa annua S. A. Thompson 1999-3-28 15388 Los Angeles Beverly Hills Comment
  UCR273756  Poa bulbosa R. G. Swinney 2011-6-15 15198 B Los Angeles San Gabriel Mountains, Chilao Creek, 100 m south and north of Chilao Campground 1573 Comment
  UCR241108  Poa howellii Tim Thomas 1988-4-12 1232 Los Angeles Transverse Range: Santa Monica Mountains, Stunt Ranch, halfway along driveway 436 Comment
  SEINET10597039  Poa palustris Hollis 1926-7-1 HOLLIS s.n. Los Angeles Jasper Park Comment
  RSA590530  Poa secunda Orlando Mistretta 1994-3-30 960 Los Angeles Little Rock Creek; slopes E of creek below Little Rock Dam 991 Comment
  RSA728344  Poa secunda Gary D. Wallace 1982-4-17 1900 Los Angeles Mojave Desert: Fort Tejon Road S of Pearblossom, between 106th and Longview Road. Comment
  UC167189  Poa secunda subsp. secunda unknown 1015 Los Angeles Old Wilson Trail Comment
  UC926645  Poa secunda subsp. secunda Agnes Chase Apr 12 1910-Apr 15 1910 1184 Los Angeles Mt Wilson Comment
  RSA229729  Poa secunda var. secunda R. F. Thorne 1971-6-26 40605 Los Angeles Summit of Mt. Wilson 1738 Comment
  RSA92315  Poa secunda var. secunda F. W. Peirson 1918-6-1 2683 Los Angeles Eaton Canyon, south base of San Gabriel Mtns. Comment
  SFV22007  Polycarpon tetraphyllum V. Soza, L. Gross, A. Munoz 2000-5-12 883 Los Angeles Verdugo Mountains Northeast side of Verdugo Mountains. Glendale, Engleheard Canyon, Camp Max Strauss at end of Shirlyjean Street. Fire road south from Engleheard Canyon to power lines. East-northeast-facing slope alongside trail. 396 Comment
  UCR216685  Polycarpon tetraphyllum Dan S. Cooper 2010-5-13 510- 58 C Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Cahuenga Peak, Griffith Park 549 Comment
  RSA65559  Polycarpon tetraphyllum F. W. Peirson 1945-6-15 s.n. Los Angeles Parking space at Anoakia School, Foothill Blvd. Arcadia or south of Sierra Madre. Comment
  UCD98429  Polycarpon tetraphyllum Robert F. Thorne 1974-6-3 44688 Los Angeles Claremont; at 1010 Northwestern Drive. 335 Comment
  CAS-BOT-BC167818  Polygala cornuta var. fishiae A. J. McC. 1893-7-29 168 Los Angeles Pasadena 1219 Comment
  SD124483  Polygala cornuta var. fishiae Barry A. Prigge 1985-6-14 6419 Los Angeles Santa Monica Mountains, Cold Creek Canyon, along trail below Murphy Ranch site, steep east-facing slope 597 Comment
  RSA602463  Polygonum hydropiperoides Scott D. White 1997-5-14 5125 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mountains SW of I -210 freeway, E of Hansen Dam, and N of Wentworth St. 351 Comment
  UCR99551  Polygonum persicaria B. G. Pitzer, Paul Gomez 1996-4-28 2741 Los Angeles Los Angeles Basin, Harbor City / City of Wilmington, Harbor Regional Park, at intersection of Pacific Coast Hwy (Calif. Hwy 1) with Vermont Avenue Comment
  LA4516  Polypodium californicum A. M. Johnson; 1934-3-16 4358 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  LA94061  Polypodium californicum Lawrence L. Kiefer; 1966-3-20 1762 Los Angeles SANTA MONICA MOUNTAINS, Old Topanga Canyon, ca 2 mi from Topanga on Old Topanga Rd. 274 Comment
  SBBG38821  Polypodium californicum R. Moran 1941-2-2 598 Los Angeles Middle Ranch Comment
  UC812566  Polypodium californicum F. R. Fosberg 1931-4-13 R 87 Los Angeles rt. fork Pebble Beach Canyon; Santa Catalina Isl. 75 Comment
  UCR194273  Polypodium californicum R. G. Swinney, Dave Larson 1999-6-25 7396 Los Angeles San Gabriel Mtns., Fern Canyon at falls, c. 1.7 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  UCSB62338  Polypodium californicum Kiefer, Lawrence 1967-4-1 Los Angeles San Gabriel Mtns., N of Pasadena, Pasadena Glen, ca. 1/2mi from the end of the road 609 Comment
  UCSB62463  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canon, San Dimas Comment
  UCSB62760  Polypodium californicum Kiefer, Lawrence 1963-11-10 Los Angeles Puddingstone Canyon, S of end of Cataract St., San Dimas 182 Comment
  RSA725859  Polypogon interruptus R. G. Swinney 1998-5-9 6048 Los Angeles San Gabriel (Azusa) Canyon, 1.5 mi. north of Foothill Blvd. on east side of Encanto Rd. 201 Comment
  UCD91380  Polypogon monspeliensis Robert F. Thorne; P. Everett 1965-5-11 34550 Los Angeles Behind N beach at Little Harbor, Santa Catalina Island. 1 Comment
  UCD91456  Polypogon viridis P. C. Everett; E. K. Balls 1960-5-30 24133 Los Angeles San Gabriel Canyon, 2.5 mile from Azusa. 243 Comment
  VVC3077  Potamogeton crispus Tim Thomas, P. J. MacKay 2015-5-10 6623 Los Angeles San Gabriel Mtns, Jackson Lake 1896 Comment
  UC185976  Potamogeton foliosus A. D. E. Elmer June, 1902 3503 Los Angeles Lancaster Comment
  RSA191581  Potamogeton illinoensis Robert F. Thorne, M. Z. Thorne 1966-8-29 36578 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
  LA52093  Potentilla glandulosa subsp. glandulosa Carl Epling; Harvey Anderson 1930-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  RSA453209  Prunus emarginata Christopher Davidson 1975-5-25 2556 Los Angeles 3.3 mi NE of Old Ridge Route (8N04) on rd 7N23 to Liebre Mtn., ca. 0.2 mi past Sandberg Pk. 1692 Comment
  RSA0072136  Prunus ilicifolia James W. Raymond s.n. Los Angeles Verdugo Hills. 762 Comment
  UC1922295  Prunus ilicifolia subsp. ilicifolia Valerie Soza, Shalini Deo, Stephen Dreher 2000-4-27 823 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
  CHSC110021  Prunus ilicifolia subsp. lyonii Mark Elvin; Michael Wall, Jennifer Stone 1996-8-7 308 Los Angeles Channel Islands; San Clemente Island: Conchulagua Canyon. In canyon floor. Comment
  RSA187780  Prunus lyonii Robert F. Thorne 1966-4-29 36313 Los Angeles Santa Catalina Island. In canyon leading to N slope of Black Jack Mt. 366 Comment
  UCR255501  Prunus lyonii Dan S. Cooper 2014-6-26 614- 71 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, Cadman Canyon 155 Comment
  CAS-BOT-BC154782  Prunus virginiana var. demissa Wesley Griesel 1963-7-17 840 Los Angeles Devil's Backbone, San Gabriel Mts. 2834 Comment
  LA83693  Prunus virginiana var. demissa O. H. Kappler; 1946-5-30 Los Angeles San Gabriel Mountains, Los Angeles County Park, Wrightwood 2011 Comment
  RSA86845  Prunus virginiana var. demissa F. W. Peirson 1921-7-17 2622 Los Angeles Prairie Fork of San Gabriel River, San Gabriel Mountains 2210 Comment
  RSA306180  Pseudognaphalium biolettii Fay A. MacFadden 1931-4-1 2966 Los Angeles Tuna Canyon, Verdugo Hills. Comment
  UCR176990  Pseudognaphalium biolettii Joseph M. Keefe 2001-1-19 31006 Los Angeles Transverse Ranges, Verdugo Mountains, Big Tujunga Wash, 400 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles, California 91040. 384 Comment
  UC1118446  Pseudognaphalium biolettii P. L. Johannsen 1934-1-12 226 Los Angeles w head Corral Canyon; Calabasas Quad. 426 Comment
  UCSB9795  Pseudognaphalium biolettii Haller, John 1950-3-30 Los Angeles U.C.L.A., Faculty Hill, near Sunset Blvd. Comment
  RSA0091514  Pseudognaphalium californicum R. G. Swinney 2011-6-29 15348 Los Angeles Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  UC1601340  Pseudognaphalium canescens A. J. Perkins 1915-10-31 Los Angeles Clear Creek Trail Sierra Madre Mts. Comment
  SFV21101  Pseudognaphalium luteoalbum L. Gross, W. Law 2000-8-8 246 Los Angeles San Fernando Valley Big Tujunga Wash east of Hansen Dam. East of Orcas Park along river (just north of Wentworth Street but not as far as Tujunga ponds. 325 Comment
  UCR258718  Pseudognaphalium luteoalbum R. G. Swinney 2010-6-23 13342 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace 335 Comment
  CAS-BOT-BC357625  Pseudognaphalium stramineum Geo. B. Grant 1902-5-10 s.n. Los Angeles Arcadia Comment
  UCSB180  Pseudotsuga macrocarpa Haller, Norman 1953-5-10 Los Angeles Top of Mt. Wilson growing near telescope (100 inch.); Mt. Wilson, San Gabriel Mts., Los Angeles County, California 1737 Comment
  CAS-BOT-BC361887  Psilocarphus tenellus E. Braunton 1902-3-1 s.n. Los Angeles Glendale Comment
  CDA4237  Psoralea bituminosa Scott D. White 2003-10-22 9839 Los Angeles Transverse Ranges; San Gabriel Mountains region; Foothills above Sierra Madre. L.A. Dept of Public Works Sierra Madre Debris Basin. Northern terminus of Sumac St. Comment
  CAS-BOT-BC72573  Pteridium aquilinum Peter H. Raven 1959-10-25 14689 Los Angeles Arroyo Sequit 1.6 miles north of Coast Highway 137 Comment
  CATA395  Pteridium aquilinum var. pubescens Mark L. Hoefs, A. Douglas Propst 1974-5-10 464 Los Angeles Santa Catalina Island: Lower Fern Canyon 213 Comment
  UCR151009  Pteris vittata Scott D. White 1997-5-8 5081 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
  RSA392911  Pterostegia drymarioides E. S. Spalding 1923-5-2 s.n. Los Angeles Fish Canyon, near Monrovia, [San Gabriel Mountains]. Comment
  RSA401594A  Pycnanthemum californicum F. R. Fosberg, Joseph A. Ewan 1931-8-10 S- 5627 Los Angeles Lower Pine Flats, First Camp, N fork San Gabriel Canyon 1500 Comment
  RSA83433  Pycnanthemum californicum F. W. Peirson 1921-7-15 2731 Los Angeles Main branch of San Gabriel River. 915 Comment
  UCR205702  Pyracantha koidzumii A. C. Sanders, T. B. Salvato 2009-5-19 36841 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines adjacent to Kaiser Hospital north of corner of Paramount Blvd. and N Montebello Blvd. 117 Comment
  RSA0080459  Pyrola dentata Anstruther Davidson 1906-6-8 1502 Los Angeles Big Rock Creek. 1982 Comment
  RSA0080555  Pyrola dentata Robert C. Frampton 1946-8-4 6167 Los Angeles San Gabriel Mt. Range. Windy Gap - Little Jimmy trail Comment
  SEINET10957067  Pyrus communis Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3773 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  RSA715750  Quercus X alvordiana Scott D. White, Andrea Warniment 2006-7-7 11626 Los Angeles Gorman area, west of the I-5 Freeway at SR-138 interchange. SE Tehachapi Mts. 1006 Comment
  UCSB27967  Quercus X grandidentata Lloyd, Robert 1959-3-12 Los Angeles Rear of 461 Norumbega in Monrovia, Calif., base of the foothills of the San Gabriel Mts. 182 Comment
  UCR258906  Quercus agrifolia R. G. Swinney 2010-8-16 13529 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UCR277236  Quercus agrifolia R. G. Swinney 2010-10-5 13975 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, west of 'Oak of the Golden Dreams', at west boundary of park 451 Comment
  POM18611  Quercus berberidifolia E. S. Spalding 1921-2-26 s.n. Los Angeles Ganesha Hills, Pomona. Comment
  UCSB27857  Quercus berberidifolia Gill, Robert 1959-3-24 Los Angeles Oak Flat Guard Station, Ridge Route 822 Comment
  CATA396  Quercus chrysolepis Mark L. Hoefs, A. Douglas Propst 1974-5-10 465 Los Angeles Santa Catalina Island: Lower Fern Canyon 213 Comment
  RSA596079  Quercus chrysolepis Tim S. Ross, Steve D. Boyd 1995-6-28 8646 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. 707 Comment
  RSA755823  Quercus chrysolepis R. G. Swinney 2008-7-2 9111 Los Angeles Reed Spring. South Fork Big Rock Creek, 1.0 mi. north of junction of Hwy 2 & Old Hwy 39 1878 Comment
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Sep 21 2010
  UCD45457  Quercus chrysolepis R. L. Armacost 1962-10-6 1510 Los Angeles Canyon Oak. Upper San Antonio Canyon near Claremont. Comment
  UCD45535  Quercus chrysolepis Robert F. Thorne; M. Z. Thorne 1966-5-31 36418 Los Angeles Santa Catalina Island: smalll grove in open oak woodland along N-facing slopes of ridge running from S end of Mt. Orizaba, S side of S fork of Fern Canyon, elev. ca. 1400 feet. 426 Comment
  UCD45859  Quercus dumosa F. R. Fosberg 1931-7-16 S 5435 Los Angeles Location: Gallaghers Canyon, Santa Catalina Islands, Los Angeles Co. 100 Comment
  UCSB28146  Quercus durata Lloyd, Robert 1959-10-2 Los Angeles 11 miles north of Glendora on Glendora Mtn. Rd., San Gabriel Mts. 944 Comment
  CHSC96047  Quercus durata var. gabrielensis LeRoy Gross 2000-10-28 311 Los Angeles Verdugo Mountains: Beaudry fire road northwest of Radio Towers, ridge top above Engleheard Canyon, pass saddle with antennas. 792 Comment
  RSA476600  Quercus durata var. gabrielensis F. R. Fosberg 1931-11-29 7078 Los Angeles La Crescenta Comment
  RSA623961  Quercus durata var. gabrielensis Arthur R. Kruckeberg 1939-3-19 71 Los Angeles Colby Canyon Trail Comment
  UCD45987  Quercus durata var. gabrielensis D. Q. Cavagnaro 1963-9-19 99 Los Angeles Right above junction by Lower San Antonio Ranger Station, Mt. Baldy Road, Los Angeles County, California. 792 Comment
  RSA0110803  Quercus engelmannii Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14351 Los Angeles San Gabriel Mountains: Little Santa Anita Cyn., base of Mt. Wilson Trail, above Mira Monte Ave., to 0.15 miles NE above the trailhead. 268 Comment
  RSA733149  Quercus engelmannii Susan Grose, L. Braccio, L. Gross 2007-11-11 186 Los Angeles Monrovia, Hidden Valley Canyon. 525 N. Alta Vista, Monrovia. 277 Comment
  RSA733150  Quercus engelmannii Susan Grose, L. Braccio, L. Gross 2007-11-11 187 Los Angeles Pasadena, Oak Grove Park. 299 Comment
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Mar 28 2014
  UCR191736  Quercus john-tuckeri A. C. Sanders 2008-4-23 35079 Los Angeles Transverse Range; western San Gabriel Mtns., upper Cow Spring Canyon 1090 Comment
  UCSB28155  Quercus john-tuckeri Lloyd, Robert 1959-3-24 Los Angeles At Oak Flats Fire Station, 10 mi. north of Castaic, Calif, on U.S. Hwy. 99, Tehachapi Mts. 822 Comment
  RSA476815  Quercus kelloggii T. S. Clare 1936-5-25 s.n. Los Angeles Deep Creek near Landcaster [Lancaster]. Comment
  IRVC28737  Quercus lobata A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Julie M. Vanderwier 2002-8-8 25564 Los Angeles north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur Santa Clara River Valley 274 Comment
  CATA545  Quercus pacifica Mark L. Hoefs, Robert F. Thorne 1975-8-7 809 Los Angeles Santa Catalina Island: Below Haypress Reservoir 441 Comment
  RSA544539  Quercus tomentella Tim S. Ross, Kellogg 1992-4-12 6126 -a Los Angeles San Clemente Island: 110 degrees ESE, 480-600M from Vista, at the head of Grove Canyon. 427 Comment
  UCR108598  Quercus tomentella F. C. Boutin 1967-4-23 1659 Los Angeles Channel Islands, E side of San Clemente Island, Lemon Tank, a dump site 305 Comment
  CAS-BOT-BC104873  Quercus wislizeni Jeannette L. Huber 1970-8-2 1094 Los Angeles Chilao, 1 mi N of Chilao Fire Station, San Gabriel Mtns. 1524 Comment
  UC150026  Ranunculus californicus LeRoy Abrams 1903-3-8 3104 Los Angeles Inglewood Comment
  UCSB31537  Ranunculus californicus Griesel, Wesley 1962-3-17 Los Angeles Tapia Park, Santa Monica Mts. 152 Comment
  RSA721995  Ranunculus hebecarpus F. R. Fosberg 1931-3-24 S- 4348 Los Angeles Hamilton Canyon, Santa Catalina Island. 40 Comment
  SBBG71865  Ranunculus hebecarpus R. Hoffmann 1925-5-19 Los Angeles Bouquet Cyn Comment
  UC1929627  Ranunculus hebecarpus Valerie Soza, Michael Denslow 2003-4-30 1648 Los Angeles Transverse Ranges; San Gabriel Mountains region; San Fransisquiteo Canyon. Slopes southwest of the Fire station 488 Comment
  RSA431476  Raphanus sativus Anstruther Davidson 1902-06 s.n. Los Angeles Orchard Ave. Comment
  RSA660780  Raphanus sativus J. Doughty 1985-5-19 201 Los Angeles Angeles National Forest, Graveyard Canyon, junction of San Gabriel Road and entrance to Follows Camp. Comment
  RSA399209  Reseda alba Anstruther Davidson 1893-6-10 s.n. Los Angeles Pasadena. Comment
  RSA0072148  Retama monosperma Orlando Mistretta 1996-4-16 1959 Los Angeles San Gabriel Montains region: San Antonio Canyon. Along Mt. Baldy Road near canyon mouth. 1050 Comment
  UC1071545  Rhamnus californica A. Lewis Feb 1934 252 Los Angeles Indian Canyon Angeles National Forest, San Fernando Quad. 609 Comment
  UC535548  Rhamnus californica Ira W. Clokey, B. Templeton Jun 1929 4586 Los Angeles Mandeville Canyon Santa Monica Mountains 200 Comment
  RSA0091343  Rhamnus californica subsp. californica R. G. Swinney 2011-5-12 14692 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
  CAS-BOT-BC59939  Rhamnus crocea P. C. Everett 1935-6-25 7245 Los Angeles San fernando Valley. Foothill Blvd., 7/10 mi. w. of Van Nuys Blvd. 274 Comment
  POM296035  Rhamnus crocea Unspecified 1945-3-30 11652 Los Angeles Canyon at Padua Hills above Claremont. Pacific Slope drainage area, North slope. 549 Comment
  CAS-BOT-BC55985  Rhamnus ilicifolia Carl B. Wolf 1927-7-24 s.n. Los Angeles 1/2 mile East of Montrose Comment
  CAS-BOT-BC56002  Rhamnus ilicifolia LeRoy Abrams 1903-3-11 3114 Los Angeles Sepulveda Canyon, Santa Monica Mts. Comment
  UCR271466  Rhamnus ilicifolia R. G. Swinney 2011-6-14 15150 Los Angeles San Gabriel Mountains, upper Charlton Flat Campground., 0.53 air-mile SSW of the junction of Angeles Crest Hwy & Charlton Flat entrance road 1671 Comment
  RSA390863  Rhamnus pirifolia F. R. Fosberg 1931-5-14 S 4874 Los Angeles Middle Ranch Canyon, Santa Catalina Island. 200 Comment
  SBBG31298  Rhamnus pirifolia R. F. Thorne with P. C. Everett 1965-5-10 34474 Los Angeles near Echo Lake 426 Comment
  JEPS32569  Rhamnus tomentella subsp. cuspidata Carl B. Wolf 1936-5-27 Los Angeles 2 mi off Soledad Canyon (Indian Canyon Camp); San Gabriel Mts. 914 Comment
  CAS-BOT-BC170449  Rhus integrifolia John Thomas Howell 1928-3-2 3367 Los Angeles Vermont Canyon, Griffith Park Comment
  CAS-BOT-BC170461  Rhus integrifolia Tim Ross; Laurel Arnseth; Steve Boyd 1990-4-8 4402 Los Angeles E side of island, Bryce Cyn near Malo Point - San Clemente Island Comment
  RSA0105211  Rhus ovata R. G. Swinney 2011-10-27 15924 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
  RSA773830  Rhus ovata R. G. Swinney 2009-6-12 11145 Los Angeles Shoemaker Canyon Rd., at Blind Deer Spring in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  UCR186747  Rhus ovata T. B. Salvato, Sandra Murcia 2007-3-28 2003 Los Angeles San Gabriel Mountains, Santa Anita Reservoir, proposed 4-acre sediment placement site, east side of the channel and 0.4 mi south of the Elkins Avenue entrance gate 680 Comment
  RSA0021436  Rhus trilobata var. trilobata Freda Detmers 1931-5-17 s.n. Los Angeles Mint Canyon Comment
  CAS-BOT-BC92302  Ribes amarum P. Parnay Mar. 31 31 Los Angeles Santa Anita Canon [Canyon]. Comment
  CAS-BOT-BC92455  Ribes aureum var. gracillimum Le Roy Abrams 1901-4-13 1491 Los Angeles Eatons wash. Sierra Madre. Comment
  RSA162691  Ribes aureum var. gracillimum J. D. Olmsted 1959-2-23 s.n. Los Angeles Blanchard Park, Pomona College Campus near Claremont, near E boundary LA, Foot of San Gabriel Mts. 366 Comment
  UC575715  Ribes aureum var. gracillimum Lewis S. Rose 1934-12-27 34519 Los Angeles Monrovia Comment
  UCR151020  Ribes aureum var. gracillimum Scott D. White 1997-5-7 5068 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
  UCR231784  Ribes aureum var. gracillimum Darren T. Hasegawa 2007-4-8 s.n. Los Angeles San Gabriel Mtns. Area, Pasadena, adjacent to Rose Bowl 256 Comment
  CAS-BOT-BC93070  Ribes californicum var. hesperium C. L. Hitchcock 1932-2-3 s.n. Los Angeles San Gabriel Mountains. Evey Canyon. North of Claremont. 518 Comment
  CAS-BOT-BC93089  Ribes californicum var. hesperium Ernest Braunton 1903-1-15 766 Los Angeles Glendora. Comment
  POM307117  Ribes californicum var. hesperium Henry J. Ramsey 1939-1-1 1972 Los Angeles Eaton Canyon, Altadena. Comment
  CAS-BOT-BC93394  Ribes cereum H. E. McMinn 1926-7-22 1778 Los Angeles Bear Flat trail to Mount San Antonio. Comment
  LA50707  Ribes indecorum Harlan Lewis; 1940-9-4 1053 Los Angeles Santa Monica Mountains, Saddle Peak 670 Comment
  LA50727  Ribes indecorum Carl Epling; 1936-10-15 sn Los Angeles Santa Monica Mountains, Saddle Peak, near Saddle Peak Comment
  SEINET3095402 Image available Ribes indecorum Dick Swinney 1990-1-6 1508 Los Angeles San Gabriel Mountains, 70 yards W of Glendora Mountain Road, just N of Glendora Ridge Motorway, on an old dirt road. Comment
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Oct 1 2020
  UC1127638 Image available Ribes indecorum Jerome S. Horton 1939-1-9 526 Los Angeles 1/4 mi se San Dimas reservoir (Camp 10, road above San Dimas <?>); San Dimas Experimental Forest, Pomona Quadrangle Comment
  RSA0025042  Ribes indecorum Ora M. Clark 1929-3-24 1785 Los Angeles Santa Susanna Mountains, So. Calif. Comment
  LA200838  Ribes malvaceum Carl Epling; 1930-3-8 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  SBBG39529  Ribes malvaceum L. S. Rose 1969-12-30 69118 Los Angeles Franklin Cyn 152 Comment
  IRVC26627  Ribes malvaceum var. malvaceum M. B. Dunkle 1939-11-24 7338 Los Angeles San Clemente Island; Mosquito Summit, head of canyon. Channel Islands Comment
  LA91427  Ribes malvaceum var. viridifolium Bruce Douglas Clayton; Greg Shaw 1972-4-7 74 Los Angeles Santa Monica Mountains, Temescal Canyon, Mountain Park Research Campus, Upper Temecal and Rustic Canyons 490 Comment
  SFV21031  Ribes malvaceum var. viridifolium L. Gross 2002-2-23 478 Los Angeles Verdugo Mountains Northeast side of mountains along Beaudry North Mountainway (dirt road). From bottom of Deer Creek this road leads to the main crest of the Verdugo's. Entered at the intersection of Beaudry Blvd. and Beaudry Terrace. 366 Comment
  SEINET13942688 Image available Ribes nevadaense David Charlton 1986-1 268 Los Angeles San Gabriel Mountains, between Blue Ridge Campground (1.5 mi. airline SSE of Bigpine) and the reservoir at the top of Chisolm Ski Run along the reservoir maintenance road, 0.7 to 1.2 mi. S of Angeles Crest Hwy on Forest Road 3N06. T3N, R8W, sec 5. 8000 ft 2438 Comment
  CAS-BOT-BC219299  Ribes nevadense Geo. B. Grant 1902-6-1 1125 Los Angeles Mount Wilson 1828 Comment
  UCR124739  Ribes nevadense B. C. Templeton 1932-5-31 4853 Los Angeles San Gabriel Mtns., Vincent Gulch below Big Pines Park, Angeles National Forest 2160 Comment
  UC1127642  Ribes roezlii Jerome S. Horton 1939-6-16 550 Los Angeles Upper Wolfskill Canyon, Rain gauge #1 Pomona Quadrangle Comment
  SBBG87669  Ribes viburnifolium L. Benson 1953-5-2 15098 Los Angeles Swain Cyn, White's Landing 182 Comment
  UC1349064  Ribes viburnifolium Robert F. Thorne 1966-4-30 36333 Los Angeles Santa Catalina Island, on w fork of Gallagher's Canyon Gallagher's Canyon 304 Comment
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Dec 19 2011
  RSA670039  Ricinus communis Joseph M. Keefe 2001-3-19 31162 Los Angeles San Rafael Mountains. 10 meters north of Glenoaks Boulevard, 200 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, CA 91208 466 Comment
  RSA76952  Ricinus communis F. W. Peirson 2047 Los Angeles New York Ave, Altadena. Comment
  UCR210459  Ricinus communis R. G. Swinney 2008-11-29 9854 Los Angeles San Gabriel Mtns., mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  RSA723226  Romneya coulteri LeRoy Gross 2007-5-2 2671 Los Angeles Southern base of the range: Debris basin in Wildwood Canyon. Just below area to park. Water during storms can drain off the road and into this basin. 427 Comment
  SDSU1279  Rorippa nasturtium-aquaticum Gerald Collier 1951-5-5 M 195 Los Angeles Santa Anita Canyon, San Gabriel Mts. Comment
  RSA585033  Rubus discolor Tim S. Ross 1991-11-15 s.n. Los Angeles Claremont: RSABG grounds: Indian Hill Mesa. 405 Comment
  RSA0106854  Rubus leucodermis R. G. Swinney 2011-7-29 15582 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  POM243784  Rubus ursinus F. R. Fosberg 1931-5-2 S 4740 Los Angeles Santa Catalina Island. Below Middle Ranch Dam, Middle Ranch Canyon. Comment
  RSA598927  Rubus ursinus Scott D. White 1997-3-12 4747 Los Angeles Zuma Beach; mouth of Zuma Creek, E end of the County Beach. 8 Comment
  UC1211105  Rubus ursinus Huron H. Smith 1912-6-1 5068 Los Angeles Avalon Canyon Santa Catalina Isl., Avalon Canyon 38 Comment
  RSA466054  Rumex conglomeratus F. R. Fosberg 1930-7-3 S 3085 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  SD153085  Rumex conglomeratus Steven A. Junak 1996-5-18 SCI 488 a Los Angeles San Clemente Island, E side of island, at mouth of canyon at Mosquito Cove, canyon bottom 6 Comment
  RSA11033  Rumex hymenosepalus Carl B. Wolf 1928-3-29 1595 Los Angeles Castaic; South base of Ridge Route road 396 Comment
  RSA614148  Rumex hymenosepalus Damian Ross 1997-3-8 1 Los Angeles Bernard Biological Field Station Claremont Colleges. Just west of Infirmary Rd., about 1/2 distance between Foothill Blvd. and former Infirmary building (single patch). 412 Comment
  SBBG131627  Rumex salicifolius S. A. Junak 1999-9-10 SCa 1086 Los Angeles S side of upper reservoir, Bulrush Cyn 316 Comment
  RSA648707  Rumex salicifolius var. salicifolius Paul Neipp 1994-5-12 27 Los Angeles directly west of San Dimas Ranger Station on San Dimas Canyon Rd. Comment
  POM27155  Rupertia physodes Marcus E. Jones 1882-5-2 2691 Los Angeles Pasadena. Comment
  RSA640932  Sagina saginoides L. C. Wheeler 1967-8-9 10420 Los Angeles San Gabriel Mts., Angeles National Forest: headwaters of Devil's Canyon on S side Mt. Waterman. 2133 Comment
  RSA191570  Salazaria mexicana Robert F. Thorne 1966-4-23 36147 Los Angeles San Gabriel Mountains: just N of Valyermo 1067 Comment
  RSA628708  Salazaria mexicana R. S. Woglum 1942-5-20 3325 Los Angeles Transverse Ranges: Angeles Crest Highway; San Gabriel Mountains; Angeles National Forest. Comment
  SBBG12694  Salicornia pacifica E. R. Blakley 1962-10-4 5404 Los Angeles Ballast Pt, Catalina Harbor at the isthmus 1 Comment
  RSA478893  Salicornia virginica F. R. Fosberg 1930-6-23 S 2952 Los Angeles Del Rey. 1 Comment
  CAS-BOT-BC103149  Salix bonplandiana Ernest Braunton 1932-4-17 1067 Los Angeles Tujunga [Canon] Canyon, San Gabriel Mts. Comment
  POM360987  Salix exigua Frances Runyan 1971-7-20 s.n. Los Angeles Near Davenport Road, Agua Dulce. Comment
  UCR120892  Salix exigua L. C. Wheeler 1973-2-3 s.n. Los Angeles Venice, between 2618 and 2700 Pacific Avenue Comment
  SD252377  Salix exigua Steven A. Junak 1999-7-16 Sca 1051 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon, just downstream from crossing of road to Ben Weston Beach. 27 Comment
  UC846159  Salix exigua var. hindsiana Ivan Johnston 1917-5-13 1242 Los Angeles El Monte 91 Comment
  RSA133790  Salix laevigata H. J. Thompson 1959-2-20 1836 Los Angeles Santa Monica Mountains: East facing rocky bank along stream, 0.5 mile above ocean, La Tuna Canyon. 76 Comment
  UC506418  Salix laevigata Carl Hedin and Joseph Ewan 1933-3-11 7669 Los Angeles Ballona Creek at Bellona Marshes Comment
  UC506421  Salix lasiandra subsp. lasiandra Carl Hedin and Joseph Ewan 1933-3-25 7675 Los Angeles Comment
  POM177809  Salix lasiolepis Marcus E. Jones 1930-2-14 26535 Los Angeles San Antonio Canyon, San Gabriel Mountains. Comment
  POM362614  Salix lasiolepis G. R. Johnstone 1931-10-24 s.n. Los Angeles Brown Canyon. Comment
  RSA228996  Salix lasiolepis Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38861 Los Angeles N facing slope above Angeles Crest Hwy N and below Lily Spring at headwater of S fork Big Rock Creek 2317 Comment
  UCR195703  Salix lasiolepis A. C. Sanders 2006-4-10 31997 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1006 Comment
  SFV19099  Salix lucida M. Gary 2003-5-10 s. n. Los Angeles La Canada. Arroyo Seco at Hahamongna Watershed Park. 350 Comment
  POM219210  Salix lucida subsp. lasiandra Louis C. Wheeler 1930-3-8 s.n. Los Angeles San Dimas Canyon (1/2 mile above the falls), San Gabriel Mountains. 640 Comment
  UCR207626  Salpichroa origanifolia O. F. Clarke 2004-4-27 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco near Pasadena Comment
  CDA20916  Salsola australis M. O'Brien 2004-12-15 s.n. Los Angeles Southern California Coast; El Pescador State Beach. 7 Comment
  UCR198209  Salsola australis M. O'Brien 2004-10-14 s.n. Los Angeles Southern California Coast, Malibu Lagoon, along entry road 8 Comment
  CDA21286  Salsola australis J. Lanham, K. Gunderman 2007-11-11 JL- 01 Los Angeles Channel Islands; Catalina Island, Salta Verde area. 304 Comment
  RSA444931  Salsola tragus Alva Watry 1931-5-17 s.n. Los Angeles Palmdale. Comment
  UCSB1714  Salsola tragus Wedberg, H. 1958-7-24 Los Angeles Vincent-Littlerock Road, about 1 mile east of Hwy. 6 Comment
  RSA777358  Saltugilia australis Orlando Mistretta, Christine Mistretta 2010-5-19 5117 Los Angeles Aliso Canyon; approximately 1.75 mile NW of the intersection of Aliso Cyn and the Angeles Forest Hwy. 1103 Comment
  RSA230040  Saltugilia splendens subsp. grantii R. F. Thorne 1971-6-26 40597 Los Angeles San Gabriel Mtns., Angeles National Forest: On summit of Mt. Wilson. 1737 Comment
  RSA469656  Saltugilia splendens subsp. grantii H. de Forest 1931-4-9 s.n. Los Angeles Crystal Lake Comment
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Oct 9 2010
  RSA71825  Saltugilia splendens subsp. splendens F. W. Peirson 1923-5-25 3533 Los Angeles lower part of south bank of Rock Creek Canyon, San Gabriel Mts. 1296 Comment
  IRVC28666  Salvia apiana A. C. Sanders, Mark Elvin, Julie M. Vanderwier, Kim Marsden 2002-6-18 25104 Los Angeles Newhall Ranch, hills 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park NE end of Santa Susana Mtns. 335 Comment
  RSA401640B  Salvia apiana William Emboden 1970-6-12 36 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  RSA411293  Salvia apiana Ruth E. Eaton 1956-7-15 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  RSA657025  Salvia apiana Joseph M. Keefe 2001-1-19 30902 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, 90042. 262 Comment
  RSA9744  Salvia apiana Louis C. Wheeler 1932-5-21 725 Los Angeles Garapito Creek, Santa Monica Mountains. 305 Comment
  SBBG31363  Salvia apiana R. F. Thorne with P. C. Everett 1965-5-10 34440 Los Angeles Cape Cyn 274 Comment
  POM306200  Salvia apiana Henry J. Ramsey, Henry J. Ramsey 1937-5-16 s.n. Los Angeles Altadena. 305 Comment
  RSA442835  Salvia apiana William Emboden 1969-5-28 21 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA0076956  Salvia columbariae R. G. Swinney 2010-5-19 12824 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
  RSA664093  Salvia columbariae Marianne Marshall 1981-5-29 13 Los Angeles Ca. Hwy 39, 18.1 mi. N of junction w/ Sierra Madre Ave. N of Azusa. Comment
  RSA780006  Salvia columbariae R. G. Swinney 2009-4-7 10303 Los Angeles Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  SEINET3098306 Image available Salvia dorrii Richard G. Swinney 2009-4-2 10265 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
  RSA0073715  Salvia dorrii subsp. dorrii Orlando Mistrettta, Christine Mistretta 2005-4-21 2051 Los Angeles San Gabriel Mountains region: Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station. 1341 Comment
  RSA727070  Salvia leucophylla Jay Walker, R. C. Walker 3190 Los Angeles NW of Castaic Lake. Along Ridge Route, 1.0 miles south of Templin road. Comment
  UCD125604  Salvia leucophylla Antonio F. Machado; Lisa Seemann 1993-4-28 4 a Los Angeles Santa Clarita Valley, east of San Francisquito Road, 0.3 miles north of Seco Canyon Road. 350 Comment
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Dec 23 2014
  RSA656388  Salvia mellifera Ray Vose 1980-5-31 s.n. Los Angeles Verdugo Mountains: Location 20-30 yards south of 3420 Figueroa Street, Glendale. 412 Comment
  RSA669151  Salvia mellifera LeRoy Gross, Naomi S. Fraga 2002-4-4 507 Los Angeles Southwest side; From saddle along main crest where the dirt roads of Verdugo Mountain Way & Chandler Fire Road meet, (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road., (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. This home was burned down a long time ago, and road abandoned. 554 Comment
  UC144535  Salvia mellifera C. F. Baker 1904-5-5 4951 Los Angeles near Claremont Comment
  UC25731  Salvia mellifera Harley P. Chandler 1897-3-14 Los Angeles San Dimas 609 Comment
  UCD125598  Salvia mellifera Kenneth R. Montgomery; Thomas W. Strid 1973-4-13 73- 8 Los Angeles on north facing slope at Dillon Divide, San Gabriel Mountains, California. Site of LASCA Cistus field plot. Comment
  RSA748436  Salvia sonomensis Justin M. Wood 2009-6-1 801 Los Angeles Mill Creek Summit, Heliport just SE of ranger station on Pacifico Mountain Rd (3N17.4) 1582 Comment
  UC1871097  Sambucus mexicana T. S. Ross, S. D. Boyd, Peter Fritsch 1990-6-27 3873 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mountain: N slope, between Horse Camp Canyon and Robinson Canyon; elevation 4830-5160 feet. T8N R17W center S 1/4 SE 1/4 sect 34; and T7N R17W center N 1/2 NE 1/4 sect 3. Comment
  UCR170695  Sambucus mexicana Alex R. Van Dam 2004-4-25 037 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive near abandoned Nike Missile Base 518 Comment
  UCR205520  Sambucus mexicana A. C. Sanders, T. B. Salvato 2009-5-19 36820 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  OBI69291  Sambucus nigra subsp. caerulea John Knapp, Denise Knapp 2003-5-11 42 Los Angeles Catalina Island. Comment
  UC1349354  Sanicula arguta Robert F. Thorne 1966-4-7 35975 Los Angeles above road above Emerald Cove (Santa Catalina Island); Santa Catalina Island 60 Comment
  UC875439  Sanicula arguta E. Lloyd May 1933 Los Angeles Santa Monica Mountains, Temescal Canyon Temescal Canyon; Santa Monica Mountains, Temescal Canyon Comment
  UCR13455  Sanicula arguta 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
  JEPS208  Sanicula arguta W. L. Jepson 1939-4-14 19109 Los Angeles near U.S. Highway 101 (very close to Ventura Co. line, sw Los Angeles Co.); Russell Valley Comment
  POM17284  Sanicula bipinnata P. A. Munz 1923-5-1 7779 Los Angeles Puddingstone Canyon, San Dimas 259 Comment
  RSA660483  Sanicula bipinnata Ian Thompson 1997-3-22 40 Los Angeles Cal Poly Pomona Ecological Reserve, East facing slope south of E-line. Comment
  POM3179  Sanicula bipinnatifida D. L. Crawford 1916-3-1 s.n. Los Angeles Mts. near Claremont Comment
  RSA250684  Sanicula bipinnatifida R. F. Thorne 1971-3-31 41459 Los Angeles Johnson's Pasture, N on Mountain Ave., Claremont. 549 Comment
  UCR238473  Sanicula crassicaulis Orlando Mistretta, Christine Mistretta 2008-5-6 2667 Los Angeles Transverse Ranges; San Gabriel Mountains, Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon 628 Comment
  SD254587  Saponaria officinalis R. G. Swinney 2011-7-7 15463 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), central camp area (Chilao Flat 7.5'Q) 1098 Comment
  UC153595  Sarcostemma cynanchoides subsp. hartwegii LeRoy Abrams 1902-7-5 2655 Los Angeles near Azusa Comment
  UCR150932  Sarcostemma cynanchoides subsp. hartwegii Valerie Soza, LeRoy Gross 1999-5-10 457 Los Angeles San Gabriel Mountains, Foothills above Glendora, west of Colby Trail, at end of Loraine Avenue 378 Comment
  UC570722  Satureja mimuloides Dr. R. J. Dobbs 1924-7-8 5394 Los Angeles trail to Switzers Camp; San Gabriel Mts. Comment
  CDA4985  Schinus molle T. S. Ross 1991-4-21 4548 Los Angeles Whittier Hills (Puente Hills, pro parte): ridgetop between Turnbull and Sycamore Canyons. Comment
  CDA4986  Schinus molle T. S. Ross, Annette Ross 1991-3-7 4133 Los Angeles Coastal Plains and Basins; San Bernardino Basin region; Elephant Hill: western Pomona. T1S R9W, W 2/3 S1/2 sec. 26 (projected); San Dimas USGS 7.5 quadrangle. Elev. 780 ft. Comment
  SBBG31053  Schismus arabicus R. F. Thorne with P. C. Everett 1965-5-10 34455 Los Angeles around Echo Lake 411 Comment
  UCSB68647  Schismus barbatus Gross, LeRoy; Denslow, Michael; Sidibeh, Mariam 2003-2-10 Los Angeles Transverse Ranges: Verdugo Mountains Region; south side; along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway; Burbank Quad. 7.5: T1N R13W S5, Center; along shoulder of road and beyond slopes near road 783 Comment
  UCR113693  Scirpus microcarpus L. C. Wheeler 1966-10-1 8950 Los Angeles San Gabriel Mtns., Big Tujunga Canyon at Colby Ranch Road 1098 Comment
  JEPS11400  Scrophularia californica Frank W. Peirson 1918-6-30 191 Los Angeles along Mt. Wilson Toll Road Mt. Wilson; San Gabriel Mts 1097 Comment
  UC887495  Scrophularia villosa F. R. Fosberg 1931-4-8 S 4520 Los Angeles Avalon Valley; Santa Catalina Isl 60 Comment
  LA81991  Scutellaria tuberosa O. H. Kappler; 1944-5-7 605 Los Angeles Santa Monica Mountains, Monte Nido 213 Comment
  UCR117114  Searsia lancea A. C. Sanders, D. Malueg 2001-5-17 24352 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 11 acre gas company property at SW corner of Jefferson Blvd. and Montebello Blvd., being decommissioned 122 Comment
  SEINET10625734 Image available Sechium edule Mary Merello, Heidi H. Schmidt 1999-12-3 Merello 2515 Los Angeles City of Pasadena. Farm Fresh Ranch Market, 475 E. Orange Grove Blvd. Comment
  POM246613  Selaginella bigelovii F. Raymond Fosberg 1931-5-7 R 96 Los Angeles Cottonwood Canyon, Santa Catalina Island 100 Comment
  POM951  Selaginella bigelovii Daniel Livingston Crawford 1922-1-10 s.n. Los Angeles Palmer Canyon, no. of Claremont. Mossy banks. Comment
  LA203938  Senecio flaccidus var. douglasii Harvey Anderson; August 1931 sn Los Angeles SANTA MONICA MOUNTAINS, La Sierra Canyon Comment
  CATA881  Senecio vulgaris Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-31 1693 Los Angeles Santa Catalina Island: Above Black Jack road by fenced mine shaft 411 Comment
  CHSC98401  Senecio vulgaris LeRoy Gross 2001-3-31 366 Los Angeles Los Angeles Basin: Verdugo Mountains region: South side: at end of Olive Ave, parked on Via Montana, in city of Burbank. Folllow an old road that is overgrown so that a faint trail is all that is left of this road. The old road goes up to the main crest with Sunset Canyon to the west and Story Canyon on the east. West facing slope, growing along old road, above Sunset Canyon, a small open grassy area. 396 Comment
  RSA383926  Sequoia sempervirens B. Davies s.n. Los Angeles Los Angeles (cultivated) Woods. Comment
  SEINET10839513  Sequoiadendron giganteum David B. Dunn 1939-10-25 Dunn UMO 46555 Los Angeles Cultivated specimen of a tree native to the western face of the Sierra Nevada Mts, of central Calif. growing at Colorado Blvd. and Orange Dr., Pasadena, Calif. 274 Comment
  UC7711  Sesuvium verrucosum Dr. A. Davidson 1891-1 Los Angeles Comment
  POM294724  Setaria parviflora Lyman Benson 1945-7-3 11834 Los Angeles Claremont, Pacific slope. 351 Comment
  RSA756984  Setaria parviflora A. C. Sanders 2009-11-6 37213 Los Angeles Madrona Marsh, Torrance 24 Comment
  UCR209306  Setaria viridis var. viridis A. C. Sanders, Lorraine Weller, Alejandra Martinez B. 2009-9-16 37185 Los Angeles Los Angeles Basin Region, Los Angeles, Watts area, Bouganvilla Community Garden, East 103rd St. at Grape St. 33 Comment
  RSA179937  Sidalcea malviflora subsp. sparsifolia E. C. Twisselmann 1965-5-18 10855 Los Angeles Along the Lancaster Road ca. 3 miles southeast of Gorman. 1098 Comment
  RSA661098  Silene antirrhina Orlando Mistretta 1992-4-5 210 Los Angeles Guds, San Clemente Island. Comment
  SD264801  Silene gallica Steven A. Junak, Ralph N. Philbrick 2001-5-18 Sca 1542 Los Angeles UTM in supplement. Santa Catalina Island. Cottonwood Canyon, along N side of Cottonwood-Blackjack Road, ca 1.65 miles WSW of Blackjack Peak. 305 Comment
  UCR106298  Silene gallica B. G. Pitzer 1996-5-5 2846 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
  UCSB43752  Silene gallica Nakashima, L. 1982-4-17 Los Angeles West of Wringley Memorial Garden on Memorial Road; .79 miles from its junction with Avalon Canyon Road; on Santa Catalina Island 289 Comment
  UCR178371  Silene laciniata subsp. major LeRoy Gross, Michael Denslow, B. Hogshead, Sarah Swartzentruber 2003-6-17 1047 Los Angeles Transverse Ranges; Verdugo Mountains, South side of mountains, Brand Canyon, above the large waterfall, where the canyon forks 519 Comment
  RSA477914  Silene laciniata subsp. major Gus Gluechert 1937-5-3 s.n. Los Angeles Hills above Culver City. Comment
  RSA65027  Silene multinervia F. W. Peirson 1925-4-23 5789 Los Angeles Forks of San Gabriel River. 534 Comment
  UCR223694  Silene verecunda R. G. Swinney 2009-6-24 11248 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  RSA0021448  Silybum marianum Freda Detmers 1933-6-4 s.n. Los Angeles Harbor at San Pedro Comment
  CAS-BOT-BC75410  Sisymbrium orientale Robert F. Thorne; M. Z. Thorne 1967-6-25 37122 Los Angeles San Gabriel Mountains. Roadside. Evey Canyon. 716 Comment
  UCD115664  Sisymbrium orientale Colin M. Wainwright 1971-3-26 1 Los Angeles Evey Canyon, off Mt. Baldy Road, 5 miles north of Claremont. 1036 Comment
  RSA0080727  Sisyrinchium bellum R. G. Swinney 2010-9-9 13757 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
  RSA339637  Sisyrinchium bellum Robert F. Thorne, Mae Z. Thorne 1980-3-23 54005 Los Angeles Foothills of San Gabriel Mountains: Johnsons Pasture above Claremont. 610 Comment
  UCR273414  Sisyrinchium bellum R. G. Swinney 2011-3-18 14143 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  RSA366921  Sisyrinchium bellum N. C. Cooper 1945-5-1 2334 Los Angeles Tapia Park region 762 Comment
  UCR277007  Sisyrinchium idahoense R. G. Swinney 2010-9-30 13907 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
  UC1861737  Solanum americanum Scott D. White, John Green 2004-4-23 10228 Los Angeles Los Angeles Basin: City of Pasadena. Arroyo Seco at La Loma Road bridge crossing. 213 Comment
  UCR180384  Solanum americanum Scott D. White, Andrea Warniment 2006-7-6 11602 Los Angeles SE Tehachapi Mtns, Gorman area, sag ponds and adjacent slopes just N of Gorman Post Road 1143 Comment
  CAS-BOT-BC167076  Solanum douglasii Wayne Law; Jun Hu 2000-4-30 04 Los Angeles Transverse Ranges; San Gabriel Mtns.: Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground 823 Comment
  RSA0080734  Solanum douglasii R. G. Swinney 2010-4-23 12363 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  UCR260325  Solanum douglasii R. G. Swinney 2010-5-4 12543 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  CDA41146  Solanum douglasii G. C. Fleischman 1942-8-29 s.n. Los Angeles Medwick & North Foothill Blvd., Altadena. 0 Comment
  RSA535724  Solanum douglasii Tim S. Ross 1991-5-22 5469 Los Angeles San Clemente Island, east edge of Wilson Cove Settlement along outer road loop near tennis court. 55 Comment
  RSA657957  Solanum douglasii S. Campbell 1980-6-2 27 Los Angeles Verdugo Mountains: Found 500 feet west off Sierra Place 244 Comment
  UC884813  Solanum physalifolium var. nitidibaccatum Louis C. Wheeler 1932-8-6 1125 Los Angeles 2 mi nne of Claremont 426 Comment
  CAS-BOT-BC156798  Solanum umbelliferum T. S. Ross; S. D. Boyd; S. Burns 1994-7-7 8129 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1708 Comment
  CAS-BOT-BC83633  Solanum umbelliferum C. Epling; L. Wheeler 1933-6-4 1850 Los Angeles Near Summit, Ridge Route. 1524 Comment
  RSA0053865  Solanum umbelliferum R. G. Swinney 2010-4-28 12440 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of the eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA725249  Solanum umbelliferum K. Dobry 1991-4-4 408 Los Angeles Elsmere Cyn. West San Gabriel Mts. Comment
  RSA729236  Solanum umbelliferum R. G. Swinney 1998-7-27 6498 Los Angeles Dry Lake, south of Sunset Peak at head of Dry Lake Canyon. 1515 Comment
  UC26272  Solanum umbelliferum Brewer 207 Los Angeles San Fernando Comment
  UC303691  Solanum umbelliferum I. Johnston 1917-5-6 118 Los Angeles Evey Canyon Comment
  UCR189889  Solanum umbelliferum R. G. Swinney 1998-7-27 6498 Los Angeles San Gabriel Mtns., Dry Lake, south of Sunset Peak at head of Dry Lake Canyon 1515 Comment
  RSA427439  Solanum umbelliferum Geo. C. Johnstone 1928-4-8 s.n. Los Angeles N of Big Pines. Comment
  RSA550391  Solanum umbelliferum Tim S. Ross 1992-7-10 6637 Los Angeles Big Tujunga Canyon, 310m E of where Coldwater Canyon meets Big Tujunga Creek 963 Comment
  SEINET3162626  Solanum xanti E. K. Balls, L. W. Lenz 1950-3-28 14458 Los Angeles 3 mi N of Castaic, Hwy 99 457 Comment
  SEINET8498774 Image available Solanum xanti var. intermedium G. L. Hannan 1981-5-24 341 Los Angeles Soledad Canyon Road, 4.2 miles east of Aqua Dulce Road. 738 Comment
  RSA0056483  Solidago californica Orlando Mistretta 1992-8-20 767 Los Angeles Transverse Ranges; San Gabriel Mountains region: Mt. Gleason Management Unit. Mt. Gleason. Tujunga Ranger District. Comment
  CATA1249  Sonchus oleraceus Mark L. Hoefs, Phil Hartman, Bret Marin 1995-1-27 2329 Los Angeles Santa Catalina Island: Ballast Point at Catalina Harbor 2 Comment
  RSA608872  Sonchus oleraceus L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon, Blum Ranch. 884 Comment
  UCD92775  Sorghum halepense M. Vincent 1963-5-6 331 Los Angeles Geyser St. just south of Vanowen St. in Reseda. W.M.C.A. property. Comment
  UCR95431  Spartium junceum Steve Boyd, Orlando Mistretta 1996-5-23 8819 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to power plant, just north of upper end of Castaic Lake. 500 Comment
  RSA0097929  Spergularia bocconi R. F. Thorne 1966-4-6 35910 Los Angeles Santa Catalina Island: margin of small reservoir N of Catalina Airport. 436 Comment
  RSA478016  Spergularia macrotheca M. B. Dunkle 1928-4-11 1853 Los Angeles Near Isthmus, Santa Catalina Island. 5 Comment
  SBBG20568  Spergularia macrotheca var. macrotheca E. R. Blakley 1963-12-8 6410 Los Angeles between Northwest Harbor and Whale Pt 15 Comment
  UCR181676  Spergularia marina R. G. Swinney 1993-6-14 2257 Los Angeles San Gabriel Mtns., Glendora, Little Dalton Debris Basin 366 Comment
  RSA0098545  Spergularia marina P. H. Raven 1962-4-10 17205 Los Angeles San Clemente Island. Summit of Thirst. 579 Comment
  SEINET186837  Sphaeralcea fasciculata Ynez W. Winblad 1938-5-14 Los Angeles Santa Ana Canyon. Comment
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Feb 10 2015
  RSA601749  Stachys ajugoides var. rigida Louis C. Wheeler 1946-4-21 6192 Los Angeles San Gabriel Mountains. Cloverleaf Canyon (near head of canyon). Comment
  RSA446640  Stachys bullata Gale Sphon 1955-5-12 s.n. Los Angeles Mulholland Drive. On fire road opposite Sepulvada fire road. Comment
  UCR124893  Stachys bullata B. C. Templeton 1930-5-27 1419 Los Angeles Western Transverse Range; Santa Monica Mtns., Higgins Canyon, north of Beverly Hills 200 Comment
  LA52383  Stachys bullata C. L. Hogue; 1954-5-4 sn Los Angeles Comment
  RSA292545  Stachys rigida subsp. quercetorum Richard S. Hood 1970-4-16 300 Los Angeles In Pasadena at Arroyo Seco Park on fire road, 1/4 mile So. of Pasadena freeway opposite Ave. 57 183 Comment
  UCSB51707  Stanleya pinnata Haller, John 1928-6-12 Los Angeles 1 mi. above Schoolhouse hill, Mill Canyon; Santa Barbara Forest 1676 Comment
  SBBG47184  Stanleya pinnata var. pinnata R. N. Philbrick 1973-7-20 Los Angeles Malibu 15 Comment
  RSA0113211  Stebbinsoseris heterocarpa Steven A. Junak 2000-5-19 SCa- 1325 Los Angeles Santa Catalina Island. On 1st ridge W of Twin Rocks, above Goat Harbor Beach, at end of road. 290 Comment
  SBBG14264  Stebbinsoseris heterocarpa M. A. Piehl 1962-6-10 62319 Los Angeles below Chenity, S of Mosquito Cove 304 Comment
  RSA608647  Stellaria media L. C. Wheeler 1931-3-11 s.n. Los Angeles La Verne. Comment
  RSA201913  Stephanomeria blairii W. Roderick, Niehaus 1965-4-2 390 Los Angeles San Clemente Island: Lemon Tank Canyon, on E-facing cliff 244 Comment
  CAS-BOT-BC375473  Stephanomeria exigua subsp. exigua Le Roy Abrams; E. A. McGregor 1908-6-20 414 Los Angeles Elizabeth Lake, Liebre Mountains 1219 Comment
  CAS-BOT-BC375477  Stephanomeria exigua subsp. exigua Marcus E. Jones 1900-7-12 6423 Los Angeles Long Beach Comment
  CAS-BOT-BC322837  Stephanomeria pauciflora F. Grinnell Jr. 1917-8-19 s.n. Los Angeles Pacoima Wash near San Fernando Comment
  POM6261  Stephanomeria pauciflora var. pauciflora I. M. Johnston 1917-7-28 1573 Los Angeles San Antonio Canyon, San Antonio Mtns. [County unspecified] 1677 Comment
  SBBG67947  Stephanomeria virgata R. Hoffmann 1927-6-14 Los Angeles E end of Pine Cyn Comment
  POM223606  Stephanomeria virgata F. W. Peirson 1919-10-20 295 Los Angeles Brae Burn Road, Altadena. Comment
  SEINET10603818  Stipa cernua Frank W. Gould 1944-3-26 Gould 2176 Los Angeles Dry northern slopes of Palos Verdes Hills near Walteria. Comment
  RSA0091127  Stipa coronata R. G. Swinney 2010-4-13 12177 Los Angeles 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom 610 Comment
  IRVC26955  Stipa lepida A. C. Sanders 2003-4-17 26074 Los Angeles Newhall Ranch, ca. 1 km south of Magic Mountain amusement park and north of the powerlines NE end of Santa Susana Mtns. 396 Comment
  RSA0098772  Stipa occidentalis R. G. Swinney 2011-7-8 15488 Los Angeles San Gabriel Mountains: 'Strawberry Potrero'?, uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  UCR190906  Stipa parishii R. G. Swinney 1998-7-2 6241 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  RSA0113375  Stylocline gnaphaloides LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7553 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
  RSA725101  Stylocline psilocarphoides Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -117 Los Angeles N side of the San Gabriel Mountains. Right at the North End of Bob's Gap. 1433 Comment
  RSA586616  Stylocline psilocarphoides Timothy S. Ross, Steve Boyd 1991-3-23 4285 Los Angeles Northeastern-most corner of the county, ca. 3 mi. SSE of Jackrabbit Hill (Kern Co.), (ca. 1.45 mi. S of Kern Co. line and 0.2-0.5 mi. W of San Bernardino Co. line). 878 Comment
  CAS-BOT-BC110420  Suaeda taxifolia I. Johnston Apr 11 s.n. Los Angeles Nigger Slough [name changed to Harbor Lake]. Comment
  UC1136510  Suaeda taxifolia R. St. John 1933-2-15 334 Los Angeles Topanga Canyon Calabasas Quad., Topanga Canyon Comment
  CAS-BOT-BC234655  Symphoricarpos mollis Geo. B. Grant Apr. 9 s.n. Los Angeles Avalon 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
  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
  SBBG65693  Syntrichopappus fremontii R. Hoffmann 1932-4-9 Los Angeles 5 mi W of Wilsona 899 Comment
  UCR186891  Syntrichopappus fremontii A. C. Sanders 2006-4-14 32056 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
  RSA586632  Syntrichopappus fremontii Timothy S. Ross 1991-3-23 4252 Los Angeles Lovejoy Buttes, on the Mojave Desert: NE portion of the main buttes, west of Lovejoy Springs (destroyed by development). 851 Comment
  RSA713726  Syntrichopappus fremontii LeRoy Gross 2005-4-28 2133 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
  RSA602048  Tamarix ramosissima Scott D. White 1997-5-8 5091 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir. 365 Comment
  RSA757274  Tamarix ramosissima R. G. Swinney 2008-6-25 9103 Los Angeles Glendora, Harrow Canyon Debris Basin, seep on north-central side. 387 Comment
  RSA0050036  Tauschia arguta Wendy Boes 2009-7-21 2009 -022 Los Angeles San Gabriel Mountains; Sunset Peak, Forest Service RD 2N07.2. 1676 Comment
  UCR222811  Tetradymia axillaris var. longispina R. G. Swinney 2009-4-29 10587 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
  RSA597380  Tetradymia canescens Timothy S. Ross, Peter W. Fritsch, S. D. Boyd, Orlando Mistretta 1990-6-22 3705 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon. 1939 Comment
  RSA640708  Tetradymia comosa L. C. Wheeler 1931-7-21 s.n. Los Angeles Base of San Gabriel Mountains: Near Thompson Creek wash. Comment
  LA34258  Tetragonia tetragonoides Peter H. Raven; 1959-4-19 14013 Los Angeles SANTA MONICA MOUNTAINS, 0.8 mi E of Ventura County line. 7 Comment
  UC1602294  Tetrapteron palmeri J. Burtt Davy May 9 1896-May 24 1896 2280 Los Angeles Lancaster Antelope Valley (sandhills) Comment
  RSA616939  Thalictrum fendleri var. fendleri Louis C. Wheeler 1967-8-8 10370 Los Angeles Middle Fork Alder Creek, ca. 1/4 mile SE of Loomis Ranch. 1311