Search Results — 2000 specimen records retrieved (1549 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/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SBBG119228  Abies concolor J. Latting 1973-6-24 Los Angeles Big Rock Crk site, Fenner Cyn Comment
  CAS-BOT-BC229558  Abronia maritima Alice Eastwood 1917-7-20 6466 Los Angeles Santa Catalina Island Comment
  RSA52488  Abronia maritima I. L. Wiggins 1949-2-22 11967 Los Angeles NW end of San Clemente Island Comment
  SBBG31371  Abronia umbellata R. F. Thorne with P. C. Everett 1965-6-23 Los Angeles Ben Weston Beach Comment
  SBBG31518  Abronia umbellata R. M. Beauchamp 1987-3-19 319 Los Angeles S of air strip at Sherman Field Comment
  RSA0025887  Abronia umbellata Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4251 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  SBBG105345  Abronia umbellata R. M. Beauchamp 1976-5-22 4139 Los Angeles S of Eel Pt Cyn 21 Comment
  RSA0105691  Acacia Vyki Englert, Charlie de la Rosa 2011-3-16 46 Los Angeles Santa Catalina Island. USC Marine Institution, Big Fisherman's Cove in Two Harbors, behind VIP housing. Comment
  UCR49367  Acacia cyclops A. C. Sanders 1987-10-13 7420 Los Angeles Southern coast, El Segundo Dunes west of Los Angeles International Airport and Peshing Drive 38 Comment
  LA201841  Acacia longifolia Arthur C. Gibson; 2003-5-12 4933 Los Angeles 525 Comment
  CAS-BOT-BC219675  Acanthomintha obovata subsp. cordata Steven M. Kaune 1962-6-13 385 Los Angeles About 15-20 miles south of Tejon Pass on route toward Castaic, off Hwy. 99 just south and above Oso Canyon, sw end of Tehachapi Mountains 914 Comment
  CAS-BOT-BC331555  Acer macrophyllum Geo. B. Grant 1901-1-1 8912 (Ex. 17.) Los Angeles Sierra Madre Mts. Comment
  RSA329739  Acer macrophyllum Gary D. Wallace 1966-3-25 217 Los Angeles Millard Canyon north of Pasadena 915 Comment
  CAS-BOT-BC21682  Achillea millefolium R. E. Snodgrass 1901-8-1 s.n. Los Angeles Santa Barbara Island Comment
  UC934033  Achnatherum coronatum H. L. Cogswell 1951-5-8 98 Los Angeles 3/4 mi n San Dimas Foothill County Park; San Gabriel Mountains 518 Comment
  RSA589301  Achnatherum speciosum Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-8 2903 Los Angeles Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats). 1250 Comment
  RSA748408  Achnatherum speciosum Justin M. Wood 2009-6-1 785 Los Angeles Mill Creek Summit, roadisde turnout on Angeles Forest Hwy, 0.75 NE of Mt. Gleason Rd. junction. 1399 Comment
  RSA776385  Achnatherum speciosum Orlando Mistretta, Christine Mistretta 2010-6-7 5269 Los Angeles Mill Creek Canyon; vicinity of Iron Mountain, along Southern California Edison transmission line corridor. 1361 Comment
  CAS-BOT-BC29823  Achyrachaena mollis Ernest C. Twisselmann 1962-4-18 6960 Los Angeles Tehachapi Mountains, Tejon Ranch, north side of Oso Canyon on the road to Mexican Mine 1005 Comment
  CAS-BOT-BC204761  Acmispon argophyllus var. argenteus Tim Ross 1992-4-14 6182 Los Angeles San Clemente Island: Eastern escarpment just below the mouth of Nanny Canyon where it opens onto a sloping terrace and flows northward 86 Comment
  SBBG128426  Acmispon argophyllus var. argenteus M. L. Hoefs, D. R. Hoefs, H Greene 1992-4-21 1821 Los Angeles Cottonwood Cyn, SE of El Rancho Escondido 45 Comment
  SBBG120135  Acmispon brachycarpus A. C. Sanders, M. Elvin, et al 2003-4-14 25960 Los Angeles hills immediately SW of Magic Mtn, just across dirt service rd, S of Santa Clara River, Newhall Ranch 351 Comment
  SBBG25226  Acmispon glaber Leota Davidson 1965-5-15 116 Los Angeles Elizabeth Cyn between Lake Hughes and Castiac Comment
  RSA0110770  Acmispon micranthus Steven A. Junak, Mark L. Hoefs, Sara L. Crockett 1997-3-27 SCa- 353 Los Angeles Santa Catalina Island. Upper part of Cape Canyon drainage, ca. 0.65 mi SW of Black Jack Peak. 396 Comment
  SBBG68096  Acmispon strigosus R. Hoffmann 1931-5-3 Los Angeles lower Bouquet Cyn Comment
  UCSB43753  Acmispon strigosus Nakashima, L. 1982-4-17 Los Angeles West of Wrigley Memorial Garden on Memorial Road, 0.73 miles from its junction with Avalon Canyon Road on Santa Catalina 304 Comment
  SD181518  Acmispon wrangelianus Louis C. Wheeler 1968-4-13 Los Angeles San Gabriel Mountains, saddle on ridge south of mouth of Big Dalton Canyon. 480 Comment
  UCD128578  Acroptilon repens C. W. Tilforth 1972-8-17 621 Los Angeles open field, Dartmouth St. and Garey Ave., 1/2 mile north of Foothill Blvd., north edge of Pomona. Comment
  SEINET10891340  Actinidia chinensis Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3745 Los Angeles City of Santa Monica. Trader Joe's: 3212 Pico Boulevard: Santa Monica, CA, 90405: (310) 581-0253 - phone. 30 Comment
  RSA654072  Adenostoma fasciculatum Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 735 Los Angeles Verdugo Mountains, south side: Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mtwy 427 Comment
  UCR258816  Adenostoma fasciculatum R. G. Swinney 2010-5-25 12973 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
  RSA390491  Adenostoma fasciculatum var. fasciculatum M. B. Dunkle 1939-11-24 7347 Los Angeles San Clemente Island: Canyon head, Horse Canyon Comment
  RSA390493  Adenostoma fasciculatum var. fasciculatum F. R. Fosberg 1931-4-10 S- 4562 Los Angeles Avalon Canyon, Santa Catalina Island. 180 Comment
  RSA610760  Adenostoma sparsifolium Katherine Kneen 1933-8-25 s.n. Los Angeles foot of Saddle Peak. Comment
  UCR276961  Adiantum capillus-veneris R. G. Swinney 2010-6-8 13234 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, along Waterfall Trail in Los Pinetos Cyn., 0.4 to 0.6 miles south of Placerita Cyn. at Walker Campground, from waterfall to 0.2 miles downstream 671 Comment
Read comments
Jun 5 2017
  RSA162792  Adiantum capillus-veneris J. Olmstead 1959-10-13 1067 Los Angeles 1/4 mile above power station in San Antonio Canyon along cliffs west of Boy Scout Cabin 976 Comment
  CAS-BOT-BC65640  Adiantum jordanii Alice Eastwood 1917-7-20 6465 Los Angeles Santa Catalina Island Comment
  LA94102  Adiantum jordanii Lawrence L. Kiefer; 1966-4-9 1839 Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon, ca 3 mi N of Sunset Blvd in ravine W of road. 182 Comment
  SEINET9881302  Aegilops ovata B. L. Johnson 1967-1 Los Angeles University of California Los Angeles (grown from seed from Botanisher Garden der Universitat, Zurich) Comment
  RSA0091778  Ageratina adenophora R. G. Swinney 2011-4-9 14386 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
  RSA657155  Ageratina adenophora Joseph M. Keefe 2001-1-19 30887 Los Angeles 5623 Raber Street, at intersection with Upperton Avenue, Highland Park District 207 Comment
  RSA792098  Agrostis idahoensis Jane Tirrell, Shirley Imsand 2012-7-6 LS 0093 Los Angeles Lily Spring, downhill from Pacific Crest Trail approx. 0.3 mi northeast of Mt. Hawkins. 2497 Comment
  RSA70453  Allium burlewii F. W. Peirson 1921-6-16 2842 Los Angeles north slope of Mt. Waterman 2133 Comment
  UCR190772  Allium fimbriatum R. G. Swinney 2001-5-18 7932 Los Angeles San Gabriel Mtns./Mojave Desert, Largo Vista area, c. 1/2 mile east of Largo Vista Rd. at a point 3.56 mi. south of Hwy 138 1284 Comment
  RSA725089  Allium fimbriatum var. fimbriatum Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -3 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. 1444 Comment
  RSA70220  Allium haematochiton F. W. Peirson 1921-4-21 2401 Los Angeles Trail below Sycamore Flat, on way to San Dimas, San Gabriel Mountains. Alt. 2600 ft. 793 Comment
  RSA367123  Allium praecox George B. Grant, Walter Wheeler 1904-4-23 s.n. Los Angeles Santa Catalina Island. Comment
  POM8610  Allophyllum divaricatum P. A. Munz, R. D. Harwood 1920-4-21 3682 Los Angeles San Dimas Canyon; South face of San Gabriel Mts 457 Comment
  RSA410053  Allophyllum divaricatum Albert J. Perkins 1920-5-29 s.n. Los Angeles Arroyo Seco. Comment
  RSA0031449  Allophyllum divaricatum Orlando Mistretta, Christine Mistretta 2008-5-16 3090 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 107 per TRTP Survey 2008), Upper Fish Canyon 1073 Comment
  SEINET12278603  Allophyllum gilioides Unknown 1933-1 8504 Los Angeles Hollywood hills Comment
  RSA549158  Allophyllum glutinosum T. S. Ross, Peter Fritsch 1990-6-20 3666 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon 1256 Comment
  UC1080553  Allophyllum glutinosum Verne and Alva Grant 1951-6-11 16037 Los Angeles Charlton Flats, Hwy. 2 San Gabriel Mts., Charlton Flats 1676 Comment
  UC879976  Allophyllum glutinosum F. R. Fosberg 1931-7-14 S 5413 Los Angeles Santa Catalina Isl., Hamilton Canyon 30 Comment
  LA204083  Alnus rhombifolia W. B. Welch; 1928-4-15 55 Los Angeles San Gabriel Mountains, Big Tujunga Comment
  UC1184970  Alnus rhombifolia Huron H. Smith 1912-4-30 4878 Los Angeles Mt. Wilson Comment
  UCR276796  Alnus rhombifolia R. G. Swinney 2011-3-29 14243 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
  RSA748892  Amaranthus albus R. G. Swinney 2005-7-21 8326 Los Angeles Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  SBBG112926  Amaranthus albus S. A. Junak with M. L. Hoefs, K. Kirkland 1998-7-16 SCa 763 Los Angeles near buildings at mouth of Cherry Cyn, at Boy Scout Camp 6 Comment
  POM211798  Amaranthus blitoides L. C. Wheeler 1933-9-10 2105 B Los Angeles San Gabriel Mountains, Santa Anita Canyon 534 Comment
  OBI28965  Ambrosia acanthicarpa David J. Keil 1976-12-12 11892 Los Angeles 5 mi W of San Bernardino Co line along Calif rte 138 Comment
  UCR258890  Ambrosia acanthicarpa R. G. Swinney 2010-8-16 13520 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UCD128717  Ambrosia acanthicarpa Daryl Koutnik; Bruce Holguin 1978-4-1 204 Los Angeles Mint Canyon on Sierra Hwy, 5 miles northwest of State Hwy 14. 563 Comment
  SD39991  Ambrosia chamissonis Edith A. Purer 1931-3-12 1499 Los Angeles El Segundo, on moving dunes Comment
  CAS-BOT-BC45003  Ambrosia confertiflora Louis C. Wheeler 1933-11-24 2276 Los Angeles Arcadia 152 Comment
  SBBG39592  Ambrosia psilostachya R. F. Thorne 1966-9-14 36672 Los Angeles Cottonwood Crk (where isthmus rd crosses) 30 Comment
  UCSB9149  Ambrosia psilostachya var. californica Charles Crum 1958-7-15 26 Los Angeles collected along Mulholland Drive, between Sepulveda Road and Topanga Road, near Los Angeles Mulholland Drive, Sepulveda and Topanga Comment
  LA207882  Amelanchier utahensis V. Newsom; 1932-6-8 sn Los Angeles San Gabriel Mountains, Wrightwood Comment
Read comments
Jun 10 2015
  UC1349046  Ammannia robusta Robert F. Thorne 1966-9-16 36710 Los Angeles margin of reservoir at Hay Press (Santa Catalina Isl.); , Hay Press 411 Comment
  UCR126995  Ammi majus A. C. Sanders, Kim Marsden 2003-6-20 26987 Los Angeles Western Transverse Range/Santa Clara River Watershed, Del Valle area, between San Martinez Grande Canyon Rd. and (San Martinez) Chiquito Canyon Rd., north of Hwy 126, Newhall Ranch 305 Comment
  CAS-BOT-BC180642  Amorpha californica var. californica K. Kneen 1933-5-14 s.n. Los Angeles Topanga Canyon Comment
  UCR178164  Amorpha californica var. californica LeRoy Gross, Naomi Fraga, B. Hogshead, Aydee Virgen 2003-6-19 1110 Los Angeles Transverse Ranges; Verdugo Mountains, North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. Follow a ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge. Tributary is north of the 210 freeway. South of freeway tributary will drain into La Tuna Canyon. All survey was done north of the 210. 457 Comment
  RSA0092328  Amsinckia intermedia R. G. Swinney 2011-3-17 14119 Los Angeles San Gabriel Mountains: Glendora, north of Mull Canyon debris basin 366 Comment
  UC557747  Amsinckia intermedia Nell Murbarger March, 1936 11 Los Angeles San Clemente Island Comment
  SEINET6098508  Amsinckia tessellata Unknown 1997-3-21 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
Read comments
Oct 27 2015
  RSA717065  Amsinckia tessellata var. tessellata Andrea Edwards, Pam De Vries 2006-4-11 63 Los Angeles Lebec USGS quad; triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  UCR182847  Anagallis arvensis R. G. Swinney 1989-4-1 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park ; Big Dalton Canyon 428 Comment
  UCR271894  Anagallis arvensis R. G. Swinney 2010-5-7 12593 Los Angeles San Gabriel Mountains, Lake View Terrace, Oliver Canyon, 0.85 air miles north of I-210 Fwy., c. 100 meters east of cyn. bottom along private dirt service rd. 463 Comment
  RSA0030942  Anagallis arvensis Fran Dourisboure 1966-5-10 s.n. Los Angeles San Rafael Mountains. 213 Comment
  RSA674693  Ancistrocarphus filagineus Scott D. White, S. Leatherman, David E. Bramlet, A. Oneal, W. Sangkatavat 2001-4-24 8412 Los Angeles Southwestern Liebre Mountains: Grasshopper Canyon area near Castaic lake. 518 Comment
  UCR95744  Ancistrocarphus filagineus Steve Boyd, O. Mistretta, J. Dolan 1996-4-18 8548 Los Angeles Liebre Mtns., upper Osito Canyon between Interstate 5 and Old Ridge Route 854 Comment
  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
  CAS-BOT-BC400317  Anemopsis californica L. R. Abrams 1901-6-1 1733 Los Angeles Mesmer Comment
  UCR129829  Angelica tomentosa L. C. Wheeler 1932-7-2 906 Los Angeles San Gabriel Mtns., Brown's Flat 1311 Comment
  SBBG7561  Anisocoma acaulis H. and M. Dearing 1930-4-15 2377 Los Angeles S of Palmdale Comment
  RSA296164  Anthemis cotula Mark Hoefs 1973-5-14 276 Los Angeles Santa Catalina Island, Road to Memorial by Pump House, Upper Avalon Canyon. 61 Comment
  RSA646978  Anthriscus caucalis LeRoy Gross 2000-4-22 174 Los Angeles Verdugo Mountains: South on La Crescenta to Shirleyjean turn right to Camp Max Straus. City of Verdugo City. 396 Comment
  LA52032  Antirrhinum coulterianum Carl Epling; 1926-5-8 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA582798  Antirrhinum multiflorum Tim S. Ross, Steve D. Boyd 1993-5-23 7286 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
  SBBG83200  Antirrhinum multiflorum M. N. Ackley 1927-6-5 1014 Los Angeles trail to Switzerland 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
  UC22888  Apocynum cannabinum J. H. Barber 1897-7-1 235 Los Angeles Bear Canyon Comment
  UCR210158  Aquilegia formosa R. G. Swinney 2008-8-13 9359 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  SBBG125533  Arabis eschscholtziana A. Parikh, N. Gale 2010-6-15 3298 Los Angeles upper Big Tujunga Cyn, 0.3 km ENE of Shortcut Station, 0.7 km N of St Hwy 2, San Gabriel Mtns 1295 Comment
  RSA0126407  Arabis glabra Edwin Kline 1925-4-12 s.n. Los Angeles Mulholland Estate; Santa Monica Mtns. Comment
  POM367239  Arctostaphylos catalinae F. R. Fosberg 1931-7-14 S 5398 Los Angeles Hay Press, Santa Catalina Island 350 Comment
  CHSC90067  Arctostaphylos glandulosa D. G. Miller III 2001-5-21 Los Angeles UCLA Student Ranch in the Santa Monica Mts. Comment
  RSA626689  Arctostaphylos glandulosa Allen Massihi, Jon E. Keeley 1992-7-27 15732 Los Angeles Southwest of Bear Divide, off Little Tujunga Road. 950 Comment
  RSA626739  Arctostaphylos glandulosa Tim Ross 1992-7-10 6642 Los Angeles Big Tujunga Canyon, 310 m east of where Coldwater Canyon meets Big Tujunga Creek. Just south of creek, east side of the road to Colby Ranch. 973 Comment
  RSA626771  Arctostaphylos glandulosa Allen Massihi, Jon E. Keeley 1992-7-9 16017 Los Angeles Ridge Route, 23 km south of Liebre Gulch turnoff. 800 Comment
  RSA626773  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-8-20 20486 Los Angeles Angeles Crest Highway (mid-elevation Arctostaphylos site), 12 km south of turnoff to Singing Pines Campground. 1545 Comment
  RSA626826  Arctostaphylos glandulosa Allen Massihi, Jon E. Keeley 1992-6-30 15862 Los Angeles Highway 39, 1 km northwest of Crystal Lake Recreation. 1700 Comment
  POM47576  Arctostaphylos glandulosa subsp. mollis I. M. Johnston 1924-8-12 s.n. Los Angeles Sunset Trail, 1 1/2 miles south of Sunset Peak 1585 Comment
  RSA585915  Arctostaphylos glandulosa subsp. mollis Tim Ross, Steve Boyd 1990-5-17 2567 Los Angeles Little Gleason forestry plantation: north side of Mt. Gleason Rd. about the east headwaters of Gleason Canyon, and about 2 (air) mi. Eof Mt Gleanson summit. 1683 Comment
  RSA626784  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Allen Massihi 1992-8-20 20214 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA631210  Arctostaphylos glandulosa var. cushingiana Jon E. Keeley, Melanie Baer Keeley 1992-10-11 21978 Los Angeles Liebre Mountains, 1.5 km east of Bear Campground. 1700 Comment
  RSA631553  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15851 Los Angeles San Gabriel Canyon, Highway 39, 15 km north of ORV area. 1300 Comment
  RSA631582  Arctostaphylos glauca Jon E. Keeley 1993-11-20 25175 Los Angeles Tuna Canyon Road and Reigate Road. 700 Comment
  RSA631626  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15812 Los Angeles San Gabriel Canyon, Highway 39, 9-10 km north of ORV area. 900 Comment
  RSA631685  Arctostaphylos glauca Jon E. Keeley 1977-11-5 7012 Los Angeles Stunt Road, several km west of Stunt Ranch. 530 Comment
  RSA641314  Arctostaphylos glauca Orlando Mistretta, Mark Elvin 1995-3-30 1585 Los Angeles San Gabriel Mountains: Mill Creek Summit; on summit just west of Angeles Forest Highway on Pacific Crest Trail. Comment
  CAS-BOT-BC46736  Arctostaphylos parryana Gary D. Wallace 1975-1-19 1390 Los Angeles Angeles Nat. For., w. of Vincent Gap along Hwy. 2.5 mi. e. of Lodgepole Picnic Grnd. 2225 Comment
  RSA634699  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20305 Los Angeles Road to Mt. Gleason, 3.7 km west of Mill Creek Summit, San Gabriel Mtns. 1665 Comment
  RSA634794  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20506 Los Angeles Chilao Campground. 1600 Comment
  RSA634895  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20404 Los Angeles Road to Pacifico Mtn., 7.5 km east of Mill Creek Summit, San Gabriel Mtns. 1878 Comment
  RSA635078  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20559 Los Angeles Road to Sulphur Springs Cpgrd., 4 km N of Angeles Crest Hwy, N of Chilao Cpgrd. San Gabriel Mtns. 1840 Comment
  RSA635090  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20412 Los Angeles Road to Sulphur Springs Campground, 1.7 km north of dirt road to Pacifico Mtn., north of Chilao.Hwy 79, 4 km southeast of Julian, northwestern Laguna Mtns. 1600 Comment
  RSA635116  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20317 Los Angeles Road to Mt. Gleason, 4.3 km west of Mill Creek Summit, San Gabriel Mtns. 1670 Comment
  RSA635178  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20580 Los Angeles Road to Suphur [Sulphur] Springs Cpgrd., across from Singing Pines Camp, 1.7 km N of Angeles Crest Hwy, N of Chilao. San Gabriel Mtns. 1640 Comment
  RSA635190  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20386 Los Angeles Road to Pacifico Mtn., 6.0 km east of Mill Creek Summit, San Gabriel Mtns. 1830 Comment
  LA42218  Arctostaphylos patula J. A. Ewan; 1936-6-27 9852 Los Angeles N end of Tahoe Mt, Swarthout Valley 2133 Comment
Read comments
Dec 17 2014
  RSA635228  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20667 Los Angeles Angeles Crest Hwy., Dawson Saddle. San Gabriel Mtns. 2410 Comment
  SBBG122937  Arctostaphylos patula B. Ertter, T. Sholars 1987-5-24 6977 Los Angeles Hwy 2, head of Dorr Cyn, E of Dawson Saddle 2133 Comment
  UCR190855  Arctostaphylos patula R. G. Swinney 1998-7-2 6227 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  RSA549136  Arenaria macradenia var. arcuifolia Timothy S. Ross 1992-7-16 6701 Los Angeles ridgeline between Iron mountain and condor peak; NW spur of 5162' knoll 1524 Comment
  CAS-BOT-BC137669  Aristida adscensionis L. R. Abrams; I. L. Wiggins 1931-7-6 364 Los Angeles San Clemente Island. Vicinity of Mosquito Harbor. Comment
  SD90448  Aristida adscensionis Robert F. Thorne, M. Z. Thorne 1973-2-12 42473 Los Angeles Santa Catalina Island, north of Marine Science Station at Fisherman's Cove, bare clayey openings in coastal sage scrub. 46 Comment
  SBBG131501  Aristida adscensionis S. A. Junak 1999-7-15 SCa 1024 Los Angeles Salta Verde Beach , just E of S-facing bluffs/rock face 6 Comment
  UCSB69285  Aristida purpurea var. parishii Gross, LeRoy; Soza, Valerie; Tessel, Samantha 2001-6-4 Los Angeles Los Angeles Basin; Verdugo Mtns Region; NW side, just N of Ledge Ave and Tuxford St (dead end), W of McDonald Creek; city of Sun Valley 365 Comment
  UCD56860  Aristida ternipes var. gentilis Louis C. Wheeler 1934-4-15 2525 Los Angeles Liveoak Canyon, San Gabriel Mts. 487 Comment
  UC60159  Aristida ternipes var. hamulosa J. Burtt Davy 1901-1-25 Los Angeles Saugus Comment
  CAS-BOT-BC84967  Artemisia californica H. E. McMinn 1924-7-25 1299 Los Angeles Catalina Island Comment
  RSA417232  Artemisia californica M. B. Dunkle 1939-11-24 7342 Los Angeles San Clemente Island. Mosquito summit, Canyon head. Comment
  SBBG62411  Artemisia californica M. N. Ackley -Mar-1930 1206 Los Angeles Los Flores Cyn 152 Comment
  PASA827  Artemisia douglasiana Sally Ellis 1939-5-12 Los Angeles San Dimas canyon Comment
  SBBG79891  Artemisia douglasiana F. R. Fosberg 1931-7-11 5381 Los Angeles Cape Cyn 220 Comment
  UCR243030  Artemisia douglasiana R. G. Swinney 2009-8-6 11539 Los Angeles Transverse Range; San Gabriel Mountains, San Antonio Canyon, below hogsback, 2.4 mi. upstream from Shinn Rd. on canyon bottom 1073 Comment
  UCR259262  Artemisia douglasiana R. G. Swinney 2010-9-9 13737 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
  CAS-BOT-BC90347  Artemisia douglasiana Cecil Hart 1922-9-12 s.n. Los Angeles Howard & Smith's nursery Montebello, Los Angeles Comment
  SBBG62442  Artemisia dracunculus R. Hoffmann 1927-8-31 Los Angeles Oak's Garage, Mint Cyn Comment
  UCR239975  Artemisia dracunculus R. G. Swinney 2009-11-16 11639 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  UCR246490  Artemisia dracunculus Dan S. Cooper 2011-6-6 611- 82 Los Angeles Western San Gabriel Mountains, Portal Ridge, east of Three Points, off Pine Canyon Rd. 1332 Comment
  RSA0094083  Artemisia tridentata Richard G. Swinney 2011-10-13 15775 Los Angeles San Gabriel Mountains: Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek. 1573 Comment
  UCR24341  Artemisia tridentata John C. Roos 1937-8-11 2527 Los Angeles Newhall Comment
  CAS-BOT-BC97272  Artemisia tridentata subsp. parishii Timothy S. Ross; Steve Boyd 1994-9-20 8240 Los Angeles 2 miles NW of Acton: Sandy wash, S side of intersection Escondido Canyon Road & Red Rover Mine Road. 902 Comment
  SD65485  Artemisia tridentata subsp. tridentata Reid Moran 1967-7-22 14082 Los Angeles Chilao, San Gabriel Mountains. 1650 Comment
  POM705  Arthrocnemum subterminale L. R. Abrams 1902-6-19 2565 Los Angeles Ballona marshes, near Mesmer Comment
  SBBG131484  Arthrocnemum subterminale S. A. Junak 1996-4-11 SCI 285 Los Angeles ca. 0.9 km N of Eel Pt, in small swale immediately behind rocky beach 3 Comment
  SEINET8728663 Image available Arthrocnemum subterminale F. R. Fosberg 1931-1 S 4888 Los Angeles Little Harbor, Santa Catalina Island 5 Comment
  OBI35057  Arundo donax Eric Wise 1983-10-21 1847 Los Angeles Growing alongside Hwy 1, 0.9 mi S of Decker Cyn rd in the Broad Beach area of Malibu, CA. Growing on W side of the hwy Comment
  RSA591525  Arundo donax L. C. Wheeler 1931-9-12 142 Los Angeles Eagle Rock 243 Comment
  UCR193707  Arundo donax R. G. Swinney 1999-4-5 7067 Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 0.2 mi. south of Ft. Tejon Rd. (Ave. Y) on 217th St. East 1183 Comment
  RSA0103922  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
  UC69210  Asclepias erosa H. M. Hall July 1905 6710 Los Angeles Fairmount Mohave Desert, Antelope Valley 853 Comment
  SD31157  Asclepias fascicularis Edith A. Purer 1932-8-31 4866 Los Angeles Palos Verdes Hills Comment
  UCR150551  Asclepias fascicularis R. G. Swinney 1999-6-21 7355 Los Angeles San Gabriel Mtns., spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  UCSB4936  Asclepias fascicularis Wedberg, H. 1958-7-15 Los Angeles On Mulholland Hwy. about 2 mi. west of Beverly Glen, Santa Monica Mtns. Comment
  SBBG5726  Asclepias vestita H. and M. Dearing 1941-5-10 4646 Los Angeles near Big Rock Crk Comment
  UCR86541  Asphodelus fistulosus T. S. Ross, E. Kellogg 1992-4-13 6137 Los Angeles Channle Islands, San Clemente Island; north head of the island, off E end of the active runway. 43 Comment
  POM6785  Aspidotis californica Hilda Wood 1901-3-10 s.n. Los Angeles Glendora Comment
  UCR208180  Aspidotis californica M. B. Dunkle 1928-4-21 1879 Los Angeles Channel Islands, Santa Catalina Island, Renton Mine Hill 335 Comment
  SEINET10529845  Aspidotis californica Moxley 1914-5-30 MOXLEY UMO 32276 Los Angeles Scholl Canyon, San Rafael Hills. Comment
  SFV14639  Aspidotis californica S. Jonsson 1989-4-19 s. n. Los Angeles Santa Monica Mountains Devil's Canyon, north of Topanga Canyon Road development. 1 mile upstream of dam. Comment
  UCR275491  Aster greatae D. E. Bramlet 2011-8-26 4943 Los Angeles San Gabriel Mountains, Big Tujunga Canyon, near Big Tujunga Reservoir 662 Comment
  UCD104637  Astragalus asymmetricus Gordon J. Pilone 1963-4-15 265 Los Angeles Diamond Bar Ranch, Brea Canyon. Santa Ana Mt. Range. 609 Comment
  RSA0040253  Astragalus brauntonii J. C. Marvin 1921-05 s.n. Los Angeles Canyon near Brentwood; Los Angeles. Comment
  RSA615517  Astragalus gambelianus L. C. Wheeler 1968-4-13 s.n. Los Angeles San Gabriel Mountains: Saddle on ridge south of mouth of Big Dalton Canyon. 480 Comment
  RSA112057  Astragalus lentiginosus var. albifolius H. D. Ripley, R. C. Barneby 1943-6-21 5853 Los Angeles 8 miles N of Lancaster. 640 Comment
  RSA680191  Astragalus lentiginosus var. antonius Valerie L. Soza, Naomi Fraga 2003-6-13 1666 Los Angeles Blue Ridge just west of Guffy Camp, on ridgetop and slopes above FS Road 3N06. 2530 Comment
  UC13399  Astragalus lentiginosus var. antonius H. M. Hall 1899-6-22 Los Angeles Swarthout Canyon San Antonio Mountains, Schwartout Canyon 1889 Comment
Read comments
Dec 28 2011
  UC1215129  Astragalus miguelensis Peter H. Raven 1962-4-11 17259 Los Angeles on sandy beach due w Wall 2 (San Clemente Island); , w of Wall 2 6 Comment
  SD90623  Astragalus nevinii Robert F. Thorne 1966-4-15 35994 Los Angeles San Clemente Island, 2/3 mile SSE of Eel Point, north of Seal Cove, SW side of island, in sand of old raised beach 29 Comment
  UC1215233  Astragalus nevinii Peter H. Raven 1962-7-11 18007 Los Angeles on bluffs above ocean 1 mi s Wilson Cove (San Clemente Island); , s of Wilson Cove Comment
  UCR101212  Astragalus purshii var. tinctus Steve Boyd, Lauren Raz 1997-6-17 9956 Los Angeles Liebre Mtns, Summit of Burnt Peak, generally to the NE of the FAA site. 1762 Comment
  RSA0029480  Astragalus trichopodus var. lonchus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1999-5-8 3026 Los Angeles Santa Catalina Island: Lower Fern Canyon. 195 Comment
  RSA751519  Atriplex amnicola Carl Wishner, A. Gale 2005-8-12 1 -36 Los Angeles LAX: Santa Monica Mountains, Malibu Lagoon State Beach. 3 Comment
  POM121928  Atriplex argentea Marcus E. Jones 1900-7-12 s.n. Los Angeles Long Beach. Comment
  RSA65361  Atriplex canescens F. W. Peirson 1921-11-11 2598 Los Angeles Lower Bouquet Canyon. Comment
  RSA598115  Atriplex glauca Steve Boyd, Lauren Raz 1997-3-4 9156 Los Angeles Liebre Mountains region, southern base of the Sierra Pelona Ridge, Crown Valley just northwest of Governor Mine, ca 0.8 mi north of Sierra Highway along Crown Valley Road; 610 Comment
  SD40171  Atriplex lentiformis subsp. breweri Edith A. Purer 1934-8-3 5908 Los Angeles Near Redondo. Comment
  UC1584242  Atriplex lentiformis subsp. lentiformis Tim Ross, Steve Boyd 1990-6-6 2887 Los Angeles Piru Pond Liebre Mtn Quad., , Los Padres National Forest (Los Padres National Forest (admin. by Angeles N.F.)) 644 Comment
  POM156345  Atriplex leucophylla L. R. Abrams 1902-6-9 2491 Los Angeles Playa Del Rey Comment
  SBBG29810  Atriplex leucophylla M. R. Benedict 1965-12-7 Los Angeles E end of Parson's Landing 4 Comment
  UC110278  Atriplex leucophylla Katharine Brandegee 1893-10-15 Los Angeles Redondo Comment
  CAS-BOT-BC180902  Atriplex nummularia Carl B. Wolf 1931-12-30 2638 Los Angeles Playa del Rey 30 Comment
  CAS-BOT-BC176354  Atriplex parryi Roxana S. Ferris 1918-6-12 913 Los Angeles In streets, Lancaster Comment
  CAS-BOT-BC176356  Atriplex parryi Roxana S. Ferris 1918-6-12 900 Los Angeles In desert road between Oban and Lancaster Comment
  RSA478400  Atriplex semibaccata E. S. Spalding 1925-9-19 s.n. Los Angeles Avalon Canyon, Santa Catalina Island. Comment
  SFV20037  Atriplex semibaccata A. Dittmer, S. Dark 2004-10-1 71 Los Angeles Ballona Wetlands. West side of wetlands on the north side of Jefferson Ave. close to road. Comment
  RSA422253  Atriplex serenana Anstruther Davidson 1900-07 2941 Los Angeles City streets, Los Angeles. Comment
  RSA746809  Atriplex suberecta Michael Honer 2003-7-8 1846 -A Los Angeles Tapia Canyon area, c. 2 - 3 air miles west if I-5 Freeway juntion with Ridgt Rt. Rd. 396 Comment
  RSA251522  Atriplex watsonii R. F. Thorne 1973-4-12 42896 Los Angeles San Clemente Island: China Point at end of road. 15 Comment
  RSA453979  Atriplex watsonii M. B. Dunkle 1939-4-5 7264 Los Angeles San Clemente Island: China Point, Pyramid Cove. Comment
  CAS-BOT-BC146039  Avena barbata Geo. B. Grant 1902-2-1 s.n. Los Angeles Pasadena. Comment
  SD90505  Avena barbata Robert F. Thorne 1966-4-17 36145 Los Angeles San Clemente Island, near Lemon Tank, south of Nanny, northeast side of island. 305 Comment
  UCR281617  Avena barbata R. G. Swinney 2014-5-21 16639 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  HSC9011  Avena fatua John Warner Hosking 1964-10-26 Los Angeles El Camino College Comment
  UCSB6773  Avena fatua Ballard 1954-5-28 Los Angeles Padua Hills, near Claremont 274 Comment
  LA210748  Avena sativa Arthur C. Gibson; 2005-3-30 5239 Los Angeles SANTA MONICA MOUNTAINS, 15 m on north side from road of Mulholland Drive near milepost 23. Comment
  CAS-BOT-BC98735  Baccharis douglasii Ernest Braunton 1902-8-1 644 Los Angeles Griffith Park Comment
  UC1483355  Baccharis glutinosa Robert F. Thorne, D. Propst, and H. Hoefs 1974-9-12 45102 Los Angeles in lower in of and near bridge over stream Cottonwood Canyon (Santa Catalina Island); , Cottonwood Canyon 30 Comment
  RSA599026  Baccharis pilularis L. C. Wheeler 1967-11-11 s.n. Los Angeles San Gabriel Mountains: Head of Reynier Canyon off Sand Canyon 595 Comment
  RSA601711  Baccharis pilularis L. C. Wheeler 1967-10-23 s.n. Los Angeles San Gabriel Mountains: Angeles Crest Highway at Twin Canyon (7 1/2'' topo map Pasadena: Slide Canyon on bridge) 808 Comment
  RSA657104  Baccharis plummerae subsp. plummerae Carl Wishner 2000-10-13 3951 Los Angeles Santa Monica Mountains, Solstice Canyon [Park], south of the creek from picnic area / parking lot. 58 Comment
  POM350359  Baccharis salicifolia Howard Mullins 1931-3-7 s.n. Los Angeles one mile above Switzer's landing Comment
  UCR259100  Baccharis salicifolia Mitch Provance, Callen Huff 2009-4-29 10687 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
  UCR92109  Baccharis salicifolia B. G. Pitzer, Paul Gomez 1996-4-28 2743 Los Angeles Los Angeles Basin, Harbor City / City of Wilmington, Harbor Regional Park, at intersection of Pacific Coast Hwy (Calif. Hwy 1) with Vermont Avenue Comment
  SBBG128368  Baccharis sarothroides S. Ratay, V. Englert 2009-11-29 110 Los Angeles Empire Fire perimeter (2006), in transect 2b line; uphill from old marble quarry Comment
  LA201028  Baccharis sergiloides Carl Wishner; 1999-9-21 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon, East Sepulveda Canyon Fire Road and fuelbreak 323 Comment
  RSA305943  Berberis nevinii Fay A. MacFadden 1932-4-19 s.n. Los Angeles Pacoima Wash, San Fernando Valley Comment
  RSA720153  Berberis nevinii LeRoy Gross 2007-4-6 2630 Los Angeles Southern front of the range: Wildwood Canyon. Area where the road drains into a debris dam, and parking area for one of the trails that climb to the crest of the range. 499 Comment
  UC2062994  Berberis nevinii Mark Elvin with Michael Wall 1997-3-5 362 Los Angeles San Gabriel Mountains, off Mount Baldy Road 0.3 miles S from intersection with [Padua Avenue], 50 m off road. Comment
  RSA582474  Bidens pilosa Timothy S. Ross, Steve Boyd 1993-5-23 7217 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
  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
  CAS-BOT-BC25679  Boechera sparsiflora I. M. Johnston 1918-5-12 1952 Los Angeles San Antonio Mountains. Upper San Antonio Canyon. 1524 Comment
  SBBG128343  Bolboschoenus maritimus subsp. paludosus D. Knapp 2006-8-23 Los Angeles Cherry Valley Comment
  UCR147803  Boschniakia strobilacea L. C. Wheeler 1968-8-7 s.n. Los Angeles San Gabriel Mtns., Devils Canyon near Bear Creek Divide 1707 Comment
  SEINET8466969 Image available Boschniakia strobilacea J. Henrickson 1971-7-3 5648 Los Angeles 12 air mi N of Upland, 1/2 mi NW of top of ski lift along Devils Backbone Ridge. Comment
  LA35919  Bowlesia incana Peter H. Raven; 1960-4-2 14858 Los Angeles Santa Monica Mountains, Old Topanga Canyon, 0.9 mi. S of Dry Canyon road 335 Comment
  RSA452002  Bowlesia incana Anstruther Davidson 1889-07 s.n. Los Angeles Foothills. Los Angeles. Comment
  RSA583775  Bowlesia incana R. G. Swinney 1993-3-23 2100 Los Angeles south hills, Toyon Nature Center 305 Comment
  UCR194302  Boykinia rotundifolia R. G. Swinney 1998-8-5 6667 Los Angeles San Gabriel Mtns., Fish Fork of San Gabriel River, c. 200 m east of confluence with East Fork 1037 Comment
  RSA355902  Brachypodium distachyon R. F. Thorne 1975-9-4 47382 Los Angeles Santa Catalina Island: Fisherman's Cove; campus of USC Marine Science Center. Comment
  RSA0036832  Brassica geniculata Phil Elliott 1981-3-8 29 Los Angeles Diamond Bar, 1/2 mile west of Diamond Bar Blvd., 1/2 miles south of Grand Ave. Comment
  UC1922249  Brassica rapa LeRoy Gross 2006-1-28 2452 Los Angeles [Transverse Ranges; Verdugo Mountains region]; Northwest tip of the Verdugo Range, just east of Hansen Dam. West side of Wentworth Street, north of Stonehurst Ave. 305 Comment
  CAS-BOT-BC100405  Brickellia californica John Thomas Howell 1927-10-16 3146 Los Angeles slope at Sturtevant Falls, Santa Anita [Canon] Canyon, San Gabriel Mts. Comment
  CAS-BOT-BC100411  Brickellia californica Ernest C. Twisselmann 1961-10-31 6676 Los Angeles Pine Canyon at Pine Canyon Guard Station 1066 Comment
  POM155750  Brickellia californica M. B. Dunkle 1928-10-7 2012 Los Angeles Descanso Canyon 183 Comment
  POM351112  Brickellia californica Wm. Martin 1971-8-25 s.n. Los Angeles Trancas Canyon area, Santa Monica Mountains. Comment
  RSA589096  Brickellia californica Orlando Mistretta 1994-9-13 1461 Los Angeles San Gabriel Mountains; Santiago Canyon; Santiago Creek near jct. of Forest Road 4N20 and BM 3980. 1213 Comment
  RSA596496  Brickellia nevinii L. C. Wheeler 1966-11-23 9150 Los Angeles San Gabriel Mountains. Devil's Canyon, near mouth where it suddenly narrows. Comment
  RSA717298  Bromus arenarius Scott D. White, Pam DeVries 2006-5-9 11403 Los Angeles Gorman area, valley & slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  UCR180362  Bromus arenarius Scott D. White, Pam Devries 2006-5-9 11408 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
  UC70999  Bromus arizonicus Joseph Burtt Davy 1902-3-22 Los Angeles Claremont Comment
  SD232571  Bromus berteroanus A. C. Sanders, E. J. Lott 1993-5-6 13951 Los Angeles Mojave Desert; 12 miles N of Palmdale, Sierra Hwy at Ave. G to 1/10 mi. NW of intersection. 705 Comment
  RSA126689  Bromus carinatus H. J. Thompson 1959-4-19 1950 Los Angeles Mulholland Highway, 1 miles W of Las Virgenes Road, Malibu Creek drainage. Santa Monica Mountains. 274 Comment
  RSA771552  Bromus carinatus R. G. Swinney 2009-5-28 10952 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  SEINET935037  Bromus carinatus var. marginatus Tim Ross, Steve Boyd, Peter Fritsch 1990-1 3879 Los Angeles Rancho Santa Ana Botanic Garden, between Horse Camp Canyon and Robinson Canyon, Liebre Mt. 7.5 (QUAD) 1475 Comment
  CATA1875  Bromus catharticus Denise Knapp 2001-6-14 Los Angeles Santa Catalina Island: Middle Ranch barn picnic table 0 Comment
  POM364018  Bromus catharticus Anstruther Davidson 1917-04 3179 Los Angeles E. Los Angeles. Comment
  SD126121  Bromus catharticus A. C. Sanders 1987-7-22 7175 Los Angeles El Segundo dunes. W of LAX airport and Pershing Dr. Comment
  POM363395  Bromus diandrus Donald R. Bissing 1973-6-2 154 Los Angeles Evey Canyon; San Gabriel Mountains. 707 Comment
  RSA0116842  Bromus diandrus Richard G. Swinney 2010-5-25 12938 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA533415  Bromus diandrus Timothy S. Ross 1991-4-21 4524 Los Angeles Whittier Hills (Puente Hills, pro parte): Middle Turnbull Canyon drainage, vicinity of old water tank. 220 Comment
  SEINET3922243  Bromus diandrus Keith Dobry 1990-3-25 108 Los Angeles Simi Hills, at Dayton Canyon.; 0 Comment
  LA33364  Bromus diandrus Peter H. Raven; Henry J. Thompson 1959-5-5 14110 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 274 Comment
  RSA91369  Bromus diandrus F. W. Peirson 1918-04 1559 Los Angeles Altadena. Comment
  CAS-BOT-BC155518  Bromus hallii A. A. Beetle 1942-6-25 3640 Los Angeles San Bernardino Mountains. Route 2, 2 miles north of Big Pine Camp. Comment
  UCD58782  Bromus hordeaceus B. Pitzer 1996-5-5 2863 Los Angeles Palos Verdes Peninsula: Palos Verdes Hills. San Pedro Naval Fuel Depot, at San Pedro Hill. 408 Comment
  RSA714064  Bromus madritensis G. Ocampo 2006-1-17 1534 Los Angeles Jardin en el area de departmentos de la Escuela de Teologia, cercano al edificio Este. Claremont. Comment
  SBBG131138  Bromus madritensis S. A. Junak 1999-5-21 SCa 964 Los Angeles ridge just E of KBRT Radio Station, along S side of Airport Rd, on E side of KBRT Valley 445 Comment
  UCR102380  Bromus madritensis subsp. madritensis L. C. Wheeler 1968-5-31 s.n. Los Angeles San Gabriel Mtns., Devil's Canyon, just above the upper falls, below the campground, east of windy gap. 1006 Comment
  SDSU958  Bromus madritensis subsp. rubens D. F. Howe 1976-6-1 4916 Los Angeles South side of Little Sycamore Canyon 488 Comment
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Dec 5 2014
  UC1922283  Bromus madritensis subsp. rubens Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 691 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' 19.3'' N 118deg 17' 15.5'' W T2N Comment
  RSA660307  Bromus rubens Dennice McDougall 1981-5-5 820 Los Angeles 2 mi W of 57 Fwy off Temple Ave Pomona, Cal Poly Pomona Campus. 200' off University drive. Comment
  UCR178958  Bromus rubens R. G. Swinney 1969-5-4 406 Los Angeles San Gabriel Mtns., Glendora Foothills. 0.6 mi north of Sierra Madre Ave. on N Pennsylvania Ave., Glendora 366 Comment
  UCR205915  Bromus rubens R. G. Swinney 2008-5-5 8750 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs 1427 Comment
  LA13694  Bromus rubens A. M. Johnson; 1932-4-6 sn Los Angeles Comment
  SBBG56644  Bromus tectorum R. Hoffmann 1932-4-26 Los Angeles Mint Cyn, N of Solemint Comment
  RSA0019945  Bromus tectorum L. C. Wheeler 1967-5-29 9764 Los Angeles San Antonio Canyon, southwest of Spring Hill, between Dry Lake Canyon and Wildcat [Cat] Canyon. 884 Comment
  RSA0028713  Bromus tectorum Donald Tahara 1975-5-25 70 Los Angeles 0.25 mi. South Charlton Stn. off Angeles Crest Hwy. Comment
  RSA706723  Bromus tectorum var. tectorum Michael Wall 2005-6-2 392 Los Angeles Evey Canyon, ca. 0.3 mile up the canyon from Baldy Rd. gate 804 Comment
  RSA466548  Calandrinia ciliata Charles F. Seymour 1902-3-27 s.n. Los Angeles University Of Southern California, (college campus). Comment
  RSA630750  Calandrinia ciliata L. C. Wheeler 1973-4-8 s.n. Los Angeles Kagel Canyon. 601 Comment
  SD90596  Calandrinia maritima Robert Thorne 1966-4-16 36043 Los Angeles San Clemente Island: Rock slope above pebbly beach, c. I(c) mile south-southeast of Eel Point, southwest side of island (mak 10/07) 2 Comment
  NY16884  Calocedrus decurrens T. G. Yuncker 1931-6-29 3829 Los Angeles This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SBBG17349  Calochortus albus K. A. Wilson 1962-4-23 1263 Los Angeles Old Topanga Cyn Blvd Comment
  SD82934  Calochortus albus Robert F. Thorne, A. C. Gibson 1971-5-22 39764 Los Angeles San Gabriel Mountains, Angeles National Forest, shaded, often rocky places in open woods or brush; Fish Canyon. 548 Comment
  LA1844  Calochortus catalinae Bonnie Templeton; 1939-4-19 4587 Los Angeles SANTA MONICA MOUNTAINS, Pacific Palisades, Huntington Palisades. 60 Comment
  RSA377321  Calochortus catalinae Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  RSA377323  Calochortus catalinae Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  SEINET3884910  Calochortus catalinae K. Dobry 1991-5-4 d 264 Los Angeles Stunt Ranch, Cold Creek Canyon, Santa Monica Mountains.; 0 Comment
  UC1929606  Calochortus catalinae Mark Elvin, Janet Takera, Mary Meyer, Shelia Shyler, Sarah Crockett 1997-3-16 368 Los Angeles Channel Island; Santa Catalina Island: Santa Catalina Island. Ridge top running due west of jct Divide Rd and road to Avalon. Comment
  UCR153333  Calochortus clavatus A. C. Sanders, T. B. Salvato 2005-4-26 29720 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
  UC3398  Calochortus invenustus J. H. Barber 1897-7-11 253 Los Angeles Summit Mt. San Gabriel Range Comment
  LA82369  Calochortus plummerae O. H. Kappler; 1943-7-4 506 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA618708  Calochortus plummerae Scott D. White, Pam DeVries 6755 Los Angeles Soledad Canyon area; proposed quarry area N of Soledad Canyon. Road, S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Canyon. 549 Comment
  UC3448  Calochortus plummerae J. H. Barber 1897-6-25 176 Los Angeles near Newhall Comment
  RSA0120931  Calochortus plummerae Enoc Zuniga 2017-6-5 s.n. Los Angeles Bell Canyon: found at top of mountain in private land. Approx. 600 ft east of County line and 1/2 mile north of Bell Canyon. 480 Comment
  UCSB31580  Calochortus splendens Griesel, Wesley 1962-7-6 Los Angeles Tapia Park, Santa Monica Mts. 152 Comment
  LA38799  Calochortus venustus Peter H. Raven; 1960-5-21 15400 Los Angeles SANTA MONICA MOUNTAINS, Cornell Corners. 243 Comment
  UCR227621  Calochortus weedii var. intermedius D. E. Bramlet, A. Rudalevige 2010-6-22 4725 Los Angeles Chino-Puente Hills, Upper Brea Canyon beside dirt access road 137 m west of the Brea Ridge Motorway and 703 m east of Brea Canyon Road 287 Comment
  UCR281305  Calycoseris parryi R. G. Swinney 2014-4-17 16086 Los Angeles San Gabriel Mountains, SW of Littlerock, 0.5-0.8 mi. east of Cheseboro Rd., 100-200 m south of CA Aqueduct, 0.66 mile due S of Hwy. 138/Pearblossom Hwy 957 Comment
  UCR258902  Calyptridium monandrum R. G. Swinney 2010-4-30 12461 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, 0.67 miles east of Wilson Cyn. Debris Basin on south side of the ridge south of the southern of the two eastern forks of Wilson Cyn. 616 Comment
  SBBG128433  Calystegia macrostegia M. L. Hoefs, D. R. Hoefs, H. Greene 1992-4-21 1819 Los Angeles Cottonwood Cyn, SE of El Rancho Escondido 45 Comment
  SBBG17878  Calystegia macrostegia subsp. amplissima P. H. Raven 1962-4-9 17143 Los Angeles near barracks, Wilson Cove 60 Comment
  LA200373  Calystegia macrostegia subsp. cyclostegia A. M. Johnson; 1932-5-30 4111 Los Angeles SANTA MONICA MOUNTAINS, Brent's Mountain, Crag's Camp. Comment
  SD27742  Calystegia macrostegia subsp. cyclostegia Carl B. Wolf 1932-5-9 3440 Los Angeles Santa Catalina Island; Pebbly Beach. Comment
  RSA394907  Calystegia macrostegia subsp. intermedia Gale Sphon 1955-3-4 s.n. Los Angeles Mulholland Drive, Los Angeles. Comment
  RSA680193  Calystegia occidentalis subsp. fulcrata Valerie L. Soza, Naomi Fraga 2003-6-13 1668 Los Angeles Blue Ridge just west of Guffy Camp, on ridgetop and slopes above FS Road 3N06. 2530 Comment
  SBBG58075  Calystegia occidentalis subsp. fulcrata R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  RSA71096  Calystegia peirsonii F. W. Peirson 1927-5-21 7301 Los Angeles Rock Creek, north base of San Gabriel Mountains. 1524 Comment
  RSA746575  Calystegia peirsonii R. G. Swinney 2008-5-13 8853 Los Angeles Devils Punchbowl Co. Park, Holcomb Canyon, 0.5 mi. south of Big Rock Creek Rd. (Lat/Long +/- 1000m) 1293 Comment
  RSA616320  Camissonia Scott D. White, Pam DeVries 1998-4-20 6317 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. 579 Comment
  RSA547425  Camissonia bistorta Tim S. Ross 1992-5-17 6351 Los Angeles 164 degrees, ca 555 m SSE of the mouth of Shoemaker Canyon 646 Comment
  RSA732856  Camissonia boothii R. G. Swinney 2001-5-17 7949 Los Angeles Valyermo area, south end of Bobs Gap, west-facing slope at junction of Panorama and Bobs Gap roads. 1244 Comment
  RSA454718  Camissonia campestris subsp. campestris Marjorie Shaw, Edna Spaulding, C. L. Walton 1917-4-8 s.n. Los Angeles Antelope Valley, Mojave Desert. East side of Valley. Comment
  RSA0016876  Camissonia cheiranthifolia subsp. suffruticosa Christina Clark 1928-12-23 6897 Los Angeles Hermosa Beach. Comment
  UCR150626  Camissonia hirtella Scott D. White 1997-5-7 5066 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
  RSA656170  Camissonia hirtella Joseph M. Keefe 1976-5-8 20155 Los Angeles San Rafael Hills; Vaquero Road, south of men s gymnasium, Glendale College, 1500 North Verdugo Road, Glendale. 183 Comment
  RSA609610  Camissonia lewisii Louis C. Wheeler 1974-4-4 s.n. Los Angeles West end of Los Angeles International Airport. 61 Comment
  SEINET10969617  Camissonia pallida David B. Dunn 1947-4-16 Dunn 2933 Los Angeles 2 mi w & 1 mi n of palmdale. Mohave desert; amongst desert shrubs. Comment
  RSA587163  Camissonia pallida subsp. pallida Orlando Mistretta 1995-4-28 1652 C Los Angeles Kitter Canyon; Slopes W of main canyon. 1280 Comment
  UCR149953  Camissonia strigulosa Scott D. White 2004-5-10 10360 Los Angeles Liebre Mtns, N slope below Bald Mountain 1280 Comment
  LA46660  Camissoniopsis bistorta H. L. Wedberg; 1957-4-6 sn Los Angeles 0 Comment
  UCD103556  Camissoniopsis cheiranthifolia subsp. suffruticosa Kenneth A. Wilson 1961-3-12 997 Los Angeles Zuma Beach. Comment
  UCSB4415  Camissoniopsis cheiranthifolia subsp. suffruticosa Crum, Charles 1958-7-19 Los Angeles Topanga Canyon Comment
  SDSU3368  Camissoniopsis hirtella H. Wedberg 1958-6-28 308 Los Angeles On New Topanga Highway, 2.9 miles east of junction with Old Topanga road. Comment
  RSA669634  Capsella bursa-pastoris LeRoy Gross 2002-3-7 488 Los Angeles North side; Off La Tuna Canyon Road, Santa Monica Mountains Conservancy Land. South of 210 Freeway. 579 Comment
  UC10289  Capsella bursa-pastoris W. H. Brewer 1861-2-9 172 Los Angeles Los Angeles Comment
  RSA662142  Capsella bursa-pastoris Carol Zuck 1981-2-3 3 Los Angeles 1443 A Springfield St. Upland. Comment
  SBBG108910  Capsella bursa-pastoris S. A. Junak 1997-2-24 SCl 719 Los Angeles San Clemente Island Ridge Rd, just S of rd to trailer at Triangulation Pt Boulder 569 Comment
  UCR282195  Capsicum D. E. Bramlet 2011-5-16 4833 Los Angeles Puente Hills near Whittier, Rose Hills Memorial Park 305 Comment
  SEINET3372077  Carduus pycnocephalus G. Rink 2011-6-5 10593 Los Angeles Chino Hills 396 Comment
  RSA0091877  Carduus pycnocephalus Steven A. Junak, Mark Hoefs, Ralph N. Philbrick 2001-5-18 SCa- 1532 Los Angeles Santa Catalina Island. Cottonwood Canyon, ca. 2 miles inland from mouth of canyon, near Rancho Escondido. 97 Comment
  RSA573455  Carduus pycnocephalus Timothy S. Ross 1992-6-15 6554 Los Angeles Whittier Hills (W extremity of Puente Hills): upper end of Turnbull Canyon. 305 Comment
  SBBG128814  Carduus pycnocephalus M. L. Hoefs, S. A. Junak, A. Fone 1995-11-8 2529 Los Angeles below airport runway, by Buffalo Springs Reservoir 438 Comment
  UCR182756  Carex R. G. Swinney 1997-7-22 5708 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
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Sep 12 2018
  CAS-BOT-BC17656  Carex alma George B. Grant 1904-6-17 6305 Los Angeles Arroyo Seco Canyon. Comment
  CAS-BOT-BC17681  Carex alma Timothy S. Ross; J. Mark Porter 1995-5-4 8487 Los Angeles Liebre Mountains. Texas Canyon: ca. 3.6 road miles NE of Bouquet Canyon Road. 682 Comment
  RSA776491  Carex alma LeRoy Gross, Jane Tirrell 2011-7-20 5529 Los Angeles Spring, along Angeles Crest Highway, north of Lily Spring. Near 2287 Comment
  UCR190936  Carex alma R. G. Swinney 1999-7-14 7556 Los Angeles San Gabriel Mtns., Allison Gulch, at confluence with East Fork San Gabriel River Canyon 732 Comment
  UCR210136  Carex alma R. G. Swinney 2008-8-13 9394 Los Angeles San Gabriel Mtns., Big Rock Creek, 1.3 mi. east of Fenner Canyon 1860 Comment
  UCR273809  Carex alma R. G. Swinney 2011-6-15 15198 A Los Angeles San Gabriel Mountains, Chilao Creek, 100 m south and north of Chilao Campground 1573 Comment
  RSA656944  Carex bolanderi Valerie Soza, LeRoy Gross 2000-6-13 996 Los Angeles San Gabriel Mountains: Spring along Burkhart Trail (FS Trail 10W02), from Buckhorn Flat to Cooper Canyon, ca. 0.8 mile along trail from Buckhorn Flat trailhead. 1845 Comment
  SEINET7559358 Image available Carex fracta Steve Boyd, Lauren Raz 1997-5-20 9807 Los Angeles Liebre Mountains Region, Northern flank of Sawmill Mountain, upper Heryford Canyon drainage, just northeast of Sawmill Summit at the junction of Forest Service roads. 1341 Comment
  SFV20706  Carex globosa T. Sagar, C. Wishner 2004-4-17 1 Los Angeles Santa Monica Mountains Seminole Hot Springs. National Park Service Hennesy Property. 260 Comment
  SD230105  Carex hassei Louis C. Wheeler 1970-9-10 Los Angeles San Gabriel Mountains: South Fork Alder Gulch. 1676 Comment
  RSA678239  Carex praegracilis Valerie Soza, Steve Boyd 2002-4-10 1404 Los Angeles Haskell Canyon, Del Sur Ridge. Stables Fire 2001 area. 518 Comment
  UCR204882  Carex praegracilis R. G. Swinney 2005-8-9 8410 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  CAS-BOT-BC117970  Carex rossii John Thomas Howell 1947-7-18 23393 Los Angeles Blue Ridge, San Gabriel Mts. 2590 Comment
  UCR147801  Carex schottii Valerie Soza, Laura Moore 2000-6-14 1015 Los Angeles San Gabriel Mountains, Spring at Big Cienega, c. 0.6 mi NE of Deer Flat Campground along S Hawkins Road (FSR 3N07.2) 1982 Comment
  RSA733039  Carex subfusca R. G. Swinney 1999-8-16 7664 Los Angeles Wrightwood area. Flume Canyon, spring c. 200m north if Guffy Camground. Spring on N-facing slope, 2445 Comment
  RSA88854  Carex tumulicola F. W. Peirson 1923-4-10 3417 Los Angeles San Clemente Island: canyon running south from summit. Comment
  RSA425913  Castilleja affinis Bonnie C. Templeton 1931-4-12 s.n. Los Angeles Mandeville Canyon 400 Comment
  RSA425911  Castilleja affinis M. V. Hood 1945-5-1 C- 2217 Los Angeles Tapia Park area, Santa Monica Mountains. 305 Comment
  RSA400511  Castilleja angustifolia N. C. Cooper 1948-4-21 2667 Los Angeles Little Rock. 762 Comment
  SBBG119284  Castilleja applegatei subsp. martinii V. Soza, K. Hughes 1999-7-1 606 Los Angeles Van Tassel Ridge, off Van Tassel Ridge Rd, vicinity of Mt Bliss; T1N R10W N/2, SE/4 S8 1036 Comment
  RSA448677  Castilleja applegatei subsp. martinii Louis C. Wheeler 1932-4-16 626 Los Angeles W side Santa Anita Canyon, San Gabriel Mountains. 854 Comment
  SBBG53203  Castilleja exserta S. A. Junak 1978-4-15 SCa 29 Los Angeles just W of Chester grave site on N side of Cherry Cove Comment
  RSA402089  Castilleja exserta subsp. exserta Thekla Mohr 1917-03 3460 Los Angeles San Gabriel Mountains. Comment
  RSA509591  Castilleja foliolosa Louis C. Wheeler 1967-5-24 9728 Los Angeles San Gabriel Mountains, Angeles National Forest: Indian Canyon, Sec. 17 793 Comment
  SFV7335  Castilleja foliolosa T. Gordon, M. H. Grayum 1975-3-21 851 Los Angeles Santa Monica Mountains Along Mulholland Highway about 5 miles west of Malibu Canyon Road. 305 Comment
  SFV13211  Castilleja miniata W. M. Perry Oct 1980 129 Los Angeles San Gabriel Mountains Mount Baldy. Comment
  RSA188497  Castilleja miniata subsp. miniata Robert F. Thorne, John Olmsted 1965-8-26 35359 Los Angeles Angeles National Forest: along switchback below Guffy Camp on Blue Ridge 2470 Comment
  RSA725189  Castilleja plagiotoma Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -101 Los Angeles N side of the San Gabriel Mountains. Right at the North End of Bob's Gap. 1433 Comment
  RSA725791  Castilleja plagiotoma R. G. Swinney 1998-5-16 6055 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  SEINET12032966  Casuarina W. R. Hamilton 1901-1 s.n. Los Angeles Long Beach Comment
  UCR271487  Caucalis microcarpa R. G. Swinney 2011-5-3 14560 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  UCR270932  Caulanthus amplexicaulis R. G. Swinney 2011-6-14 15126 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  RSA68345  Caulanthus amplexicaulis var. amplexicaulis Verne Grant 1951-7-17 16085 Los Angeles San Antonio Canyon 1981 Comment
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Nov 19 2015
  CAS-BOT-BC38470  Caulanthus coulteri Robert F. Hoover 1938-4-16 3118 Los Angeles Near Bailey's, upper Antelope Valley. Comment
  SBBG72120  Caulanthus coulteri Mrs. Bee -- Los Angeles Mint Cyn Comment
  HSC12471  Ceanothus crassifolius Wendell Wood 1970-6-24 43 Los Angeles Switzer's Camp, Angeles Crest Hwy., 9 mi. beyond intersection with Foothill Blvd. 915 Comment
  RSA398856  Ceanothus crassifolius Anstruther Davidson 1890-04 s.n. Los Angeles Glendale. Comment
  RSA399846  Ceanothus crassifolius L. E. Hoffman 1932-3-8 s.n. Los Angeles Placerita Canyon, San Gabriel Mountains. Comment
  CAS-BOT-BC48869  Ceanothus cuneatus Le Roy Abrams; E. A. McGregor 1908-6-20 410 Los Angeles Liebre Mountains, near Elizabeth Lake Comment
  UC147933  Ceanothus cuneatus var. cuneatus C. F. Baker 1909-2-15 5237 Los Angeles San Antonio Canyon, Claremont Comment
  CAS-BOT-BC50162  Ceanothus integerrimus Timothy S. Ross; Steve Boyd 1994-5-24 7844 Los Angeles Grass Mountain: ridgetop saddle between the main summit and the northeast summit. Lakes Hughes 7.5' USGS Quadrangle 1383 Comment
  RSA399901  Ceanothus integerrimus Albert J. Perkins 1918-1-19 s.n. Los Angeles Santa Anita Canyon, San Gabriel Mountains. Comment
  UCSB36662  Ceanothus integerrimus Brownell, Kathleen 1980-5-18 Los Angeles 2.5 mi. N on Mt. Baldy Rd. 83; San Gabriel Mtns; Angeles National Forest 1127 Comment
  CAS-BOT-BC50527  Ceanothus leucodermis A. D. E. Elmer 1902-6-1 3610 Los Angeles Acton, Mt. Gleason Comment
  RSA399736B  Ceanothus leucodermis Louis Greata 1901-04 s.n. Los Angeles Arroyo Seco, near Pasadena Comment
  POM199766  Ceanothus megacarpus I. W. Clokey, Bonnie C. Templeton 1929-03 4507 Los Angeles Mandeville Canyon, Santa Monica Mountains. 200 Comment
  UCR124400  Ceanothus megacarpus B. C. Templeton, I. W. Clokey 1930-2-18 1413 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 600 Comment
  CHSC110013  Ceanothus megacarpus var. insularis Mark Elvin; Sarah Crockett 1997-3-17 376 Los Angeles Channel Islands; Santa Catalina Island. Comment
  RSA161090  Ceanothus megacarpus var. insularis Peter H. Raven 1962-5-20 17783 Los Angeles Santa Catalina Island, Airport Road on main ridge about 1.5 miles west of Middle Ranch turn-off. Comment
  CAS-BOT-BC50478  Ceanothus oliganthus Joseph Andorfer Ewan 1933-5-16 10852 Los Angeles San Gabriel Mts. - Little Santa Anita Canyon Comment
  UC1071162  Ceanothus oliganthus var. oliganthus P. L. Johannsen 1934-2-26 307 Los Angeles 1/4 mi s San Fernando Pass; Santa Susana quad. 441 Comment
  UC18336  Ceanothus oliganthus var. oliganthus State Survey 1861-2-19 214 Los Angeles Santa Susana Sierra Comment
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May 28 2015
  SEINET13946037 Image available Ceanothus perplexans Martha P. Creighton 1952-1 461 Los Angeles Juniper Hills, Sima Mesa, Gabriel Mts., 4400 ft alt 1341 Comment
  OBI10339  Ceanothus spinosus Louis C. Wheeler 1932-3-5 456 Los Angeles Mandeville Cyn, Santa Monica Mts 122 Comment
  RSA214312  Ceanothus spinosus Louis C. Wheeler 1932-3-5 456 Los Angeles Mandeville Canyon. 122 Comment
  RSA398935  Ceanothus spinosus T. S. Clare 1929-2-25 s.n. Los Angeles Santa Monica Mountains, Santa Monica Canyon Comment
  RSA0112553  Ceanothus vestitus R. G. Swinney 2011-6-15 15174 Los Angeles San Gabriel Mountains: Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy. 1585 Comment
  CDA7010  Centaurea cyanus L. B. Wendt 1968-7-18 Los Angeles Adjacent to north bound off-ramp of Highway 99 at Gorman. 0 Comment
  POM199567  Centaurea melitensis Fordyce Grinnell Jr. 1903-6-27 s.n. Los Angeles Arroyo Seco, Pasadena. Comment
  RSA600106  Centaurea repens L. C. Wheeler 1948-6-22 6658 Los Angeles Culver City. Higuera Rd. at Ballona Creek. Comment
  UCR133729  Centaurea solstitialis F. R. Fosberg 1931-7-14 S- 5401 Los Angeles Channel Islands, Middle Ranch Canyon, Santa Catalina Island 200 Comment
  UC1123410  Centaurium venustum Jerome S. Horton 1937-6-14 465 Los Angeles San Dimas Canyon Pomona Quad. 457 Comment
  UCR261345  Centaurium venustum R. G. Swinney 2010-6-29 13378 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Food Control Basin, confluence of Big Tujunga Wash/stream with Hansen Lake 308 Comment
  POM6869  Cercocarpus betuloides Philip A. Munz, L. T. Street, G. Williams 1919-4-5 2450 Los Angeles Puddingstone Canyon, San Dimas. Comment
  SEINET3259907 Image available Cercocarpus betuloides R. G. Swinney 2008-3-31 8582 Los Angeles San Gabriel Mtns.; Glendora Mountain summit. 1003 Comment
  UCR153558  Cercocarpus betuloides A. C. Sanders 2005-5-11 30188 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
  LA33473  Cercocarpus betuloides var. betuloides Henry J. Thompson; 1959-5-24 1992 Los Angeles Santa Monica Mountains, Tuna Canyon, 0.7 mi N of Coast Hwy 91 Comment
  RSA453265  Cercocarpus betuloides var. betuloides Robin S. Collins 1973-4-9 234 Los Angeles Angeles National Forest, San Gabriel Mountains. Trail Canyon. 701 Comment
  RSA657368  Cercocarpus betuloides var. betuloides Joseph M. Keefe 2001-1-19 30948 Los Angeles South by southeast face of The Eagle Rock, Eagle Rock District, Los Angeles. 305 Comment
  RSA754208  Cercocarpus betuloides var. betuloides Ellen Mackey, Blake Whittiington 2006-10-11 NFWF- 1786 Los Angeles San Gabriel River Watershed; next to reservoir. 463 Comment
  UC732564  Cercocarpus betuloides var. betuloides Geo. B. Grant 1901-1 158 Los Angeles Pasadena; Pacific Coast, Coast Ranges, Pasadena Comment
  CAS-BOT-BC142141  Cercocarpus betuloides var. betuloides Marian L. Campbell 1921-3-29 129 Los Angeles On road to Santa Barbara. Comment
  CAS-BOT-BC137249  Cercocarpus betuloides var. blancheae Reid Moran 1941-2-28 649 Los Angeles Johnson's Canyon, Santa Catalina Island Comment
  LA47771  Cercocarpus betuloides var. blancheae F. R. Fosberg; 1932-5-7 5159 Los Angeles Santa Catalina Island, Grand Canyon, below upper falls 130.0 Comment
  RSA177026  Cercocarpus betuloides var. blancheae Carl B. Wolf 1932-10-4 4222 Los Angeles Santa Catalina Island. West slope above road in back of St. Catherine Hotel, Avalon. 23 Comment
  UC114157  Cercocarpus betuloides var. blancheae J. W. Toumey 1899-9-15 Los Angeles Catalina Island Comment
  LA88733  Cercocarpus traskiae Karen Searcy; 1967-4-29 45 -2 Los Angeles Santa Catalina Island, In Gully ca. 1 mi. WNW of Salta Verde Pt 30 Comment
  CAS-BOT-BC518703  Cestrum nocturnum R. G. Swinney 2010-6-11 13247 Los Angeles San Gabriel Mountains: Azusa/Duarte, walking path under the Puente Largo RR bridge, main channel of San Gabriel River Wash, 0.5 mi N of Foothill Blvd. 184 Comment
  SFV3806  Chaenactis fremontii K. A. Wilson 1962-5-12 1268 Los Angeles Mojave Desert Antelope Valley. 1 mile east of Littlerock on Highway 138. 900 Comment
  RSA0091356  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2011-6-15 15162 Los Angeles Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy 1585 Comment
  RSA16274  Chaenactis glabriuscula var. glabriuscula C. B. Wolf 1935-5-23 6995 Los Angeles Liebre Mts. 1/2 mile east of Gorman. 1159 Comment
  UC894476  Chaenactis glabriuscula var. glabriuscula Mrs. Jos. Clemens 1922-5-30 Los Angeles base of Mt. Wilson Comment
  CAS-BOT-BC277337  Chaenactis glabriuscula var. glabriuscula Muriel F. Wheeler 1938-5-26 s.n. Los Angeles Thompson Creek Wash, 1 1/2 miles northeast of La Verne 375 Comment
  CAS-BOT-BC277522  Chaenactis glabriuscula var. lanosa A. J. McC. 1893-5-27 s.n. Los Angeles Near Pasadena Comment
  LA34796  Chaenactis glabriuscula var. lanosa Mary V. Hood; 1940-4-7 40- 40 -k*a,b Los Angeles Laurel & Osbornes Aves, San Fernando 152 Comment
  RSA765543  Chaenactis glabriuscula var. orcuttiana William Jones 2010-2-26 BOE- 1436 Los Angeles Ballona Lagoon, west bank- between Outrigger and Privateer Streets, Venice. 2 Comment
  UCR124755  Chaenactis xantiana B. C. Templeton 1932-6-17 4913 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2195 Comment
  UCSB27839  Chaenactis xantiana Blakely, E. 1958-5-9 Los Angeles Hills 2 miles east of Gorman 1097 Comment
  SBBG131529  Chamaesyce S. A. Junak 1999-7-17 SCa 1072 Los Angeles Middle Ranch, Janet Takara's house 213 Comment
  RSA518468  Chamaesyce albomarginata Gary D. Wallace 1966-4-12 449 Los Angeles Campus of Cal. St. College at L.A. Comment
  RSA720182  Chamaesyce maculata LeRoy Gross 2007-3-12 2598 Los Angeles Base of northern side of the range. Behind the Foothill Athletic Club, at the southern end of Lowell Ave. Near 468 Comment
  SBBG67734  Chamaesyce maculata M. N. Ackley -Jun-1926 349 Los Angeles Eagle Rock 182 Comment
  RSA226902  Chamaesyce melanadenia R. F. Thorne 1971-6-17 39974 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  RSA480962  Chamaesyce serpens Robert Gustafson 1980-9-16 1918 Los Angeles Ballona Wetlands Comment
  RSA638244  Chamaesyce serpillifolia subsp. serpillifolia L. C. Wheeler 1945-8-15 6091 Los Angeles Lake Shangri-la: near El Monte. . Comment
  UCR51319  Chasmanthe floribunda A. C. Sanders 1988-2-3 7600 Los Angeles Pacific slope, El Segundo Dunes, west of Los Angeles International Airport & Pershing Drive, east of Vista Del Mar Blvd. 30 Comment
  RSA672299  Chenopodium album Joseph M. Keefe 2001-1-19 30905 Los Angeles Intersection of Upperton Avenue, Buena Vista Terrace and Nolden Strreet; pass in ridge between Eagle Rock Valley and York Valley (Highland Park); Los Angeles, California 90042. 256 Comment
  RSA478529A  Chenopodium ambrosioides E. S. Spalding 1923-10-3 s.n. Los Angeles La Canada road Comment
  RSA5208  Chenopodium ambrosioides C. B. Wolf 1932-9-13 4063 Los Angeles Bryant Ranch. 250 ft. south of north boundary in SE 1/4 section 27., (about 460 ft. east and 250 ft. south of NW corner of SE 1/4 section 27. T4S, R12W). 5 Comment
  RSA188514  Chenopodium atrovirens R. F. Thorne, John Olmsted 1965-8-26 35366 Los Angeles San Gabriel Mountains, Angeles National Forest: along Blue Ridge near upper end of Holiday Hill Ski Lift 2470 Comment
  UCR125262  Chenopodium berlandieri A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25538 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, at circular cement cattle trough on south side of valley 366 Comment
  UCR204853  Chenopodium botrys R. G. Swinney 2005-8-9 8414 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  RSA0040464  Chenopodium californicum R. G. Swinney 2010-5-11 12645 Los Angeles Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary. 829 Comment
  UC1928588  Chenopodium californicum Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 05050 69 Los Angeles Transverse Ranges; San Gabriel Mountains region; Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. 1444 Comment
  UCR50999  Chenopodium californicum A. C. Sanders, E. J. Lawlor 1988-4-3 7743 Los Angeles Tehachapi Mountains, southwest end of the Tehachapi Mtns, l mi northwest of Gorman on a gasline rd, 0.4 mi above old highway 1284 Comment
  UC557815  Chenopodium californicum Nell Murbarger 1936-3-1 109 Los Angeles San Clemente Island; mesa top and e side of island Comment
  RSA478544  Chenopodium murale F. R. Fosberg 1930-6-26 S 3025 Los Angeles Lower Ballona Creek. 10 Comment
  SEINET269136  Chenopodium murale Scott D. White 1995-3-15 2565 Los Angeles Malibu. Upslope from Winter Canyon near pepperdine Univ.; N. of Pacific Coast Hwy. E of Malibu Canyon Rd. SW of Mali 91 Comment
  UCR127164  Chenopodium murale A. C. Sanders, Mark A. Elvin, and others 2003-5-1 26273 Los Angeles Western San Gabriel Mtns., NE side of Castaic Mesa, c. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch 457 Comment
  UCR105986  Chenopodium rubrum L. C. Wheeler 1968-9-16 s.n. Los Angeles Liebre Mtns, Una Lake, near Palmdale Comment
  UCR85816  Chlorogalum parviflorum T. S. Ross, Annette Ross 1991-6-3 5528 Los Angeles San Gabriel Valley, Elephant Hill: western Pomona 287 Comment
  CAS-BOT-BC498811  Chlorogalum pomeridianum LeRoy Abrams 1902-6-2 2634 Los Angeles Sierra Madre, on dry hillsides. Comment
  RSA601192  Chlorogalum pomeridianum var. pomeridianum Louis C. Wheeler 1967-6-27 9918 Los Angeles San Gabriel Mountains : North side Sunset Ridge, NE of Cogswell Reservoir. 640 Comment
  UCR191697  Chorizanthe A. C. Sanders 2008-4-23 35072 Los Angeles Transverse Range; western San Gabriel Mtns., upper Cow Spring Canyon, gravelly draw on slope in side canyon to the east 1108 Comment
  SD178202  Chorizanthe parryi var. fernandina A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26060 Los Angeles Northeast end of Santa Susana Mtns.: Newhall Ranch, north of the powerlines south of Magic Mountain Parkway, near I-5 and new golf course. On gentle south-facing slopes. 366 Comment
  CAS-BOT-BC244670  Chorizanthe staticoides Alice Eastwood 1919-5-29 8963 Los Angeles San Gabriel Canyon Comment
  LA200757  Chorizanthe staticoides Jonathan Sauer; H. Walter 1973-5-31 5534 Los Angeles Santa Monica Mountains, crest of Santa Monica Mountains above Brentwood Comment
  RSA0116761  Chorizanthe staticoides Andrew C. Sanders, Dan Malueg 1998-6-22 22040 Los Angeles San Gabriel Mtns.: Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon. 1006 Comment
  SD186291  Chorizanthe staticoides Andy C. Sanders 2005-5-5 29872 Los Angeles Western San Gabriel Mtns, Santa Clarita area, lower Mint Canyon on the ridge above and west of the community of Mint 518 Comment
  UC1929888  Chorizanthe xanti var. xanti Scott D. White, Michael Honer 2003-5-7 9207 Los Angeles LIEBRE MOUNTAINS: Tapia Canyon, about 2 air miles east of Interstate 5 junction at Old Ridge Route. Comment
  UCR72766  Chrysopsis villosa A. C. Sanders 1987-9-28 7396 Los Angeles El Segundo Dunes west of Los Angeles International Airport and Pershing Drive 38 Comment
  POM351966  Chrysothamnus nauseosus subsp. bernardinus F. R. Fosberg, Joseph A. Ewan 1931-8-11 S 5512 Los Angeles Islip Trail, S slope of Mt. Hawkins 1950 Comment
  RSA603795  Cirsium occidentale L. C. Wheeler 1936-6-21 4167 Los Angeles Palmer Canyon, San Gabriel Mts. 701 Comment
  JEPS59145  Cirsium occidentale var. californicum Frank W. Peirson 1918-6-1 248 Los Angeles San Gabriel Mts., Eaton Canyon 640 Comment
  POM352146  Cirsium occidentale var. californicum V. V. Giles 1936-7-5 210 Los Angeles Crystal Lake Camp, San Gabriel Mts. Comment
  SBBG80130  Cirsium occidentale var. coulteri F. R. Fosberg 1931-5-14 4876 Los Angeles 2 mi above ranch, Middle Ranch Cyn 220 Comment
  UC187601  Cirsium occidentale var. occidentale Katharine Brandegee May 17 1916-May 25 1916 Los Angeles Santa Catalina Island Comment
  UCD130634  Cirsium ochrocentrum var. ochrocentrum G. W. Garrettson 1960-7-22 s.n. Los Angeles Southern Pacific Railroad, right-of-way about 100 yards west of Water Street, Walnut. Comment
  RSA595112  Cistanthe monandra Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8582 Los Angeles Liebre Mountains, upper West Fork Liebre Gulch along spur leading off along steep ridgeline west of Angeles National Forest Road 8N01, at a point 7.0 road miles from jtn with 8N05. 1204 Comment
  RSA651541  Cistanthe monandra Marion P. Harthill 1975-5-12 s.n. Los Angeles Hwy. N4, Mojave Desert. Comment
  RSA0082603  Cistus incanus R. G. Swinney 2010-6-21 13306 Los Angeles 0.2 miles east of Wilson Canyon Saddle, jct. of Santa Clara Truck Trail and Los Pinetos Spring Trail, on south side of Truck Trail. 951 Comment
  UCD116503  Cistus incanus Daryl Koutnik 1978-5-10 470 Los Angeles End of Corral Canyon Road, Santa Monica Mountains. 731 Comment
  RSA0065530  Cistus villosus R. Carlston 1961-5-27 s.n. Los Angeles Big Dalton Canyon, Glendora. Comment
  LA45525  Clarkia bottae Carl Epling; 1933-5-13 sn Los Angeles Santa Monica Mountains, Temescal Canyon 91 Comment
  RSA453462  Clarkia bottae F. E. Durkee 1906-05 s.n. Los Angeles Los Angeles, Hollywood Canyon. Comment
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Nov 17 2015
  CHSC1097  Clarkia cylindrica E. Thomas 1964-6-12 Los Angeles Hiway 99 near Saugus. Comment
  HSC16282  Clarkia cylindrica C. E. Fellows 1965-6-27 108 Los Angeles 3/10 mi. S of Dartford St. on Sepulveda Blvd. Comment
  SFV6279  Clarkia cylindrica M. H. Grayum, K. Felt 1974-5-22 s. n. Los Angeles Santa Susana Mountains Oat Mountain. Along main ridge road. 1021 Comment
  SD13117  Clarkia deflexa Edith A. Purer 1935-5-11 6584 Los Angeles Hillside, Santa Monica Hills Comment
  RSA448261  Clarkia dudleyana Anstruther Davidson 1896-06 s.n. Los Angeles Elysian Park. Comment
  RSA609076  Clarkia dudleyana Louis C. Wheeler 1932-5-28 781 Los Angeles San Antonio Canyon, E side SE Hogback. 1280 Comment
  CAS-BOT-BC172013  Clarkia epilobioides Geo. B. Grant 1910-4-1 s.n. Los Angeles Avalon, Santa Catalina Isl. Comment
  POM199780  Clarkia epilobioides I. W. Clokey 1929-05 4533 Los Angeles Mandeville canyon, Santa Monica Mountains. 250 Comment
  UC557685  Clarkia epilobioides Nell Murbarger April, 1936 172 Los Angeles San Clemente Island Comment
  SBBG60314  Clarkia purpurea subsp. purpurea R. Hoffmann 1927-6-14 Los Angeles Elizabeth Lake Comment
  CATA1587  Clarkia purpurea subsp. quadrivulnera Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2857 Los Angeles Santa Catalina Island: By road to Toyon Beach 313 Comment
  OBI70658  Clarkia purpurea subsp. quadrivulnera Steve Boyd, Lauren Raz 1997-5-29 9906 Los Angeles Liebre Mts Region: Portal Ridge, N of the San Andreas Rift zone, in the Cow Srping drainage along the Pacific Crest Trl, at point where trl crosses side drainage originating on ridge forming divide with Gookins Dry lake 1097 Comment
  RSA247407  Clarkia purpurea subsp. quadrivulnera Jack Delaini, Barbara Shervanick 1974-5-23 221 Los Angeles Lodi Canyon, San Dimas Experimental Forest. Angeles National Forest. At base of W ridge of canyon near its mouth. 366 Comment
  UC457323  Clarkia purpurea subsp. quadrivulnera Carl Epling and N. Dunn 1931-5-30 Los Angeles Los Alisos Canyon Santa Monica Mountains Comment
  RSA448334  Clarkia rhomboidea Anstruther Davidson 1892-6-14 s.n. Los Angeles Wilson's Peak. Comment
  RSA458839  Clarkia rhomboidea L. E. Hoffman 1929-6-23 17103 Los Angeles Mouth [of] Pacoima Canyon. San Gabriel Mountains, Angeles Forest. Comment
  UCSB4308  Clarkia rhomboidea Kamb, Peter 1947-6-1 Los Angeles Mt Disappointment; San Gabriel Mts 1432 Comment
  RSA733173  Clarkia similis R. G. Swinney 1998-8-6 6683 Los Angeles San Gabriel Mtns.: Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River. 1037 Comment
  RSA590476  Clarkia unguiculata Tim S. Ross, W. Appleby 1993-5-20 7210 Los Angeles Western San Gabriel Mts: vicinity of Los Pinetos Spring. 890 Comment
  RSA658898  Clarkia unguiculata Geraldine Dodd 1992-5-16 16 Los Angeles 1.5 miles north of corner of Mira Monte Ave. & Mt. Wilson Trail Dr. in Sierra Madre,. Mt Wilson Hiking Trail 732 Comment
  UC1537614  Clarkia unguiculata Gordon H. True Jr. 1935-5-16 285 Los Angeles Bouquet Canyon 762 Comment
  UCR88708  Clarkia unguiculata Scott D. White, Chet McGaugh 1995-5-9 2979 Los Angeles Transverse Range; Eastern Santa Susana Mtns, just west of San Gabriel Mtns: 'Sunshine Canyon' (name not shown on topo): west of San Fernando Road and Hwy I-5 Fwy, just SW of interchange with State Route 14. Sunshine Canyon Landfill property, site proposed for landfill expansion 488 Comment
  UCSB45462  Clarkia unguiculata Batson, J. 1979-5-25 Los Angeles 8 miles southwest of the junction of Highway 101 and Westlake Boulevard on Highway 23 426 Comment
  CATA1426  Claytonia parviflora Mark L. Hoefs, Steven A. Junak, Ralph Philbrick, Sarah Chaney 1996-2-14 2587 Los Angeles Santa Catalina Island: Falls Canyon, above city warehouse and other buildings, below reservoir 57 Comment
  UCR269112  Claytonia parviflora Orlando Mistretta, Christine Mistretta 2008-4-19 2491 Los Angeles San Gabriel Mountains, Southern California Edison transmission line corridor (Segment 6, Impact Area 6 per TRTP Survey 2008), vicinity of Mill Creek summit 1524 Comment
  SBBG130749  Claytonia parviflora S. A. Junak 2000-4-1 SCa 1154 Los Angeles Cherry Valley, just inland from main rd, along trail 60 Comment
  RSA466708  Claytonia parviflora subsp. utahensis Bonnie C. Templeton 1947-5-21 6276 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  RSA729185  Claytonia parviflora subsp. utahensis R. G. Swinney 1998-7-14 6452 Los Angeles north slope of Pine Mountain Ridge, from high point to Prairie Fork, c. 1 mi. SE of Cabin Flat. 1890 Comment
  UCR96142  Claytonia perfoliata B. G. Pitzer 1996-4-21 2711 Los Angeles Western Mojave Desert, Antelope Valley. north side of State Hwy 138 (= Ave. 'D'), c. 2 mi. west of Country Store, at town of Neenach (c. 30 mi. west of Hwy I-14). 915 Comment
  SBBG131883  Claytonia perfoliata S. A. Junak, D. Wilken 1996-3-26 SCI 254 Los Angeles terrace on S side of Lemon Tank Cyn, just E of rd to "Tank" 335 Comment
  CATA969  Claytonia perfoliata subsp. mexicana Mark L. Hoefs 1994-5-21 1837 Los Angeles Santa Catalina Island: Southeast end of Renton Mine Road 262 Comment
  SBBG18709  Claytonia perfoliata subsp. mexicana E. R. Blakley 1963-4-7 5537 Los Angeles between Haypress and Gallagher Cyn's head 411 Comment
  SBBG31339  Claytonia perfoliata subsp. mexicana R. F. Thorne 1966-4-7 Los Angeles Cherry Valley 60 Comment
  RSA213420  Claytonia perfoliata subsp. mexicana M. B. Dunkle 1939-4-3 7224 Los Angeles Chenetti Canyon Gorge, San Clemente Island. Comment
  RSA776788  Claytonia rubra subsp. rubra Orlando Mistretta, Christine Mistretta 2010-5-26 5199 Los Angeles Upper Mill Creek canyon drainage, S of Mill Creek Summit, along Southern California Edison transmission line corridor 1463 Comment
  RSA128276  Clematis lasiantha H. J. Thompson 1959-5-31 1916 Los Angeles 1.1 mile south-west of Seminole Hot Springs, about 2 miles south-west of Cornell. 396 Comment
  RSA702913  Clematis lasiantha Scott D. White, Michael Honer 2004-6-30 10543 Los Angeles San Gabriel Mountains: Mt. Baldy (town). Along Glendora Ridge Rd. ca. 0.25 mile SW of jtn. w/ Mt. Baldy Rd. 1311 Comment
  POM305756  Clematis ligusticifolia Henry J. Ramsey, Henry J. Ramsey 1937-6-27 937 Los Angeles Angeles National Forest: Bear Creek, north of Pacoima Reservoir. Comment
  RSA356029  Cleome isomeris R. F. Thorne 1975-9-3 47370 Los Angeles Santa Catalina Island. Near Blue Cavern Point 15 Comment
  RSA440788  Cleome isomeris T. W. Minthorn 1924-4-1 s.n. Los Angeles Balboa Palisades. Comment
  SBBG70277  Cleomella obtusifolia Anstruther Davidson -Jul-1892 Los Angeles Lancaster Comment
  RSA395823  Cnicus benedictus Cynthia Anderson 1963-6-20 128 Los Angeles Fields S of El Monte, E of Rosemead Blvd, alt 200ft. 61 Comment
  UCR263274  Collinsia parryi Anuja Parikh, Nathan Gale 2012-5-2 6583 Los Angeles Transverse Range: San Gabriel Mountains, West Fork San Gabriel River, 1.0 km east of Cogswell Reservoir 643 Comment
  RSA0117342  Collinsia parryi Thekla Mohr 1897-05 s.n. Los Angeles San Gabriel Mountains. Comment
  CAS-BOT-BC59719  Comarostaphylis diversifolia subsp. planifolia H. E. Hasse 1906-1-1 s.n. Los Angeles Santa Monica Range. Comment
  RSA545249  Comarostaphylis diversifolia subsp. planifolia D. Propst, Mark Hoefs 1973-3-3 52 Los Angeles Santa Catalina Island: Lower Sweetwater Canyon. 183 Comment
  RSA660819  Conium maculatum LeRoy Gross, Steve Larson, Valerie Soza 2001-5-31 386 Los Angeles Vedugo Mountains Region: Southeast side. At mouth of Dead Horse Canyon, along road (Heather Ridge Dr.) where paved road ends 305 Comment
  SBBG59620  Conium maculatum M. N. Ackley -Jun-1929 Los Angeles Glendale 243 Comment
  UC468954  Constancea nevinii F. M. Reed 1909-7-4 2806 Los Angeles near Avalon; Catalina Island 15 Comment
  UC906448  Convolvulus arvensis Joseph Ewan 1933-6-29 10816 Los Angeles near Culver City; Ballona Creek Comment
  RSA588688  Conyza canadensis Orlando Mistretta 1995-7-12 1901 Los Angeles San Gabriel Mountains: Little Rock Creek, just N of Guard Station along Little Rock Creek, below the dam. 976 Comment
  UCR150834  Conyza canadensis R. G. Swinney, Dave Larson 1999-5-15 7154 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  POM40198  Conyza coulteri Marcus E. Jones 1882-2-25 s.n. Los Angeles Pasadena. Comment
  UC1746156  Cordylanthus nevinii Annetta M. Carter, Arthur Carter 1935-9-12 979 Los Angeles Chilao (Chellea). San Gabriel Mtns. 1645 Comment
  UCR223302  Cordylanthus nevinii R. G. Swinney 2009-7-29 11426 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  CAS-BOT-BC287871  Coreopsis californica Roxana S. Ferris; Ruth P. Rossbach 1938-5-13 9482 Los Angeles 4 miles NE of Lancaster on the Muroc Rd Comment
  UC148008  Coreopsis californica var. californica C. F. Baker 1909-5-20 5325 Los Angeles Claremont Comment
  NY43413  Coreopsis gigantea J. B. Walker 1995-6-5 1430 Los Angeles Santa Catalina Island, 2km S of Avalon 4 Comment
  CAS-BOT-BC105678  Corethrogyne filaginifolia Wesley O. Griesel 1961-9-16 s.n. Los Angeles Los Angeles 152 Comment
  CAS-BOT-BC105717  Corethrogyne filaginifolia Le Roy Abrams 1899-6-1 s.n. Los Angeles Edges of sand dunes, Ballona Harbor Comment
  CAS-BOT-BC105739  Corethrogyne filaginifolia E. R. Blakley 1962-10-3 5373 Los Angeles Santa Catalina Island, banks around Wrigley Reservoir at the summit of the island road 426 Comment
  POM356129  Corethrogyne filaginifolia Blanche Trask 1901-10 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  RSA608441  Corethrogyne filaginifolia var. filaginifolia L. C. Wheeler 1932-10-7 1426 Los Angeles Eagle Rock. 228 Comment
  SJSU2260  Cornus capitata C. W. Sharsmith 1942-9-9 4512 Los Angeles opposite Beverly Hills Hotel, Beverly Hills Comment
  RSA397701  Cornus glabrata Anstruther Davidson 1893-08 s.n. Los Angeles Santa Catalina Island Comment
  UCR141865  Cornus sericea R. G. Swinney 1997-9-6 5861 Los Angeles San Gabriel Mountains, Mescal Picnic Park [= Mescal Campground], along boardwalk about 50 m N of Big Pines Highway 1866 Comment
  SFV7881  Cotula australis T. Gordon 1976-1-24 1236 Los Angeles San Fernando Valley Northridge. Sidewalk in front of Zelzah residence hall. 260 Comment
  UCR219445  Cotula australis R. G. Swinney 2009-3-28 10202 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Mountain Park, trail 0-40 m above canyon bottom, from park entrance to 0.4 mi. up canyon 427 Comment
  SBBG31384  Cotula australis R. F. Thorne with P. C. Everett 1965-5-11 34664 Los Angeles Picnic Ground 426 Comment
  SBBG31373  Cotula coronopifolia R. F. Thorne with P. C. Everett 1965-5-11 34658 Los Angeles above Cottonwood Dam in Cottonwood Cyn 45 Comment
  CAS-BOT-BC427736  Crassula connata Geo. B. Grant 1905-4-19 6480 Los Angeles Garvanza Comment
  RSA747362  Crassula connata R. G. Swinney 2008-3-26 8563 Los Angeles San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  UCR131444  Crassula connata Alison Lipman 1998-7-1 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  UCR138496  Crassula connata L. C. Wheeler 1974-3-28 s.n. Los Angeles San Gabriel Mtns, Wildwood Ranch, east of Glendora 389 Comment
  RSA509593  Crassula connata L. C. Wheeler 1967-5-13 9528 Los Angeles San Gabriel Canyon, Ward's Grove. 262 Comment
  RSA661078  Crassula connata var. connata Orlando Mistretta 1992-4-5 186 Los Angeles Guds, San Clemente Island. Comment
  RSA394747A  Cressa truxillensis M. B. Dunkle 1929-10-20 2147 Los Angeles Howland's, Santa Catalina island. Comment
  UC557670  Cressa truxillensis Nell Murbarger April, 1936 213 Los Angeles near tide line s. end of San Clemente Isl. Comment
  SBBG34670  Crocanthemum scoparium S. A. Junak with K. Kirkland 1998-4-30 SCa 571 Los Angeles extreme upper reaches of N fork of Descanso Cyn just downslope from Airport Rd 365 Comment
  SDSU20034  Crossosoma californicum Michael G. Simpson, Lori L. Simpson 2012-4-21 3680 Los Angeles Santa Catalina Island, northwest top of ridge, north of USC Marine station. 38 Comment
  RSA589196  Croton californicus T. S. Ross 1991-4-27 4677 Los Angeles Mojave Desert: Black Butte Basin Road: 1.95 miles and ca 148 deg. SW of Three Sisters buttes. 982 Comment
  RSA620041  Croton californicus LeRoy Gross 1998-11-1 95 Los Angeles Southern base San Gabriel Mtns.: Big Tujunga Wash. East of 210 freeway, city of Sunland. 366 Comment
  UC303793  Croton californicus S. B. Parish 1918-6-5 11874 Los Angeles Playa del Rey Comment
  UC66755  Croton californicus N. K. Berg 1904-3-8 Los Angeles Redondo Comment
  HSC7977  Croton setiger C. S. Apperson 1967-6-11 Los Angeles 4 mi. up Haskell Cyn. Rd. off of Bouquet Cyn. Rd. Comment
  SBBG112933  Croton setiger S. A. Junak with K. Kirkland 1997-11-15 SCa 484 Los Angeles 1 mi N of Cactus Pk, at E end of conspicuous limestone ridge 387 Comment
  UCR281624  Cryptantha R. G. Swinney 2014-4-30 16270 Los Angeles San Gabriel Mountains, 3.8-4.0 miles south of Hwy. 138, c. 100 meters west of Largo Vista Road toward ridge 1387 Comment
Read comments
Feb 19 2020
  RSA733084  Cryptantha barbigera R. G. Swinney 2001-4-18 7903 Los Angeles Mojave Desert: Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road. 1244 Comment
  RSA772383  Cryptantha circumscissa R. G. Swinney 2009-5-12 10754 Los Angeles Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge 1435 Comment
  SBBG63583  Cryptantha circumscissa R. Hoffmann 1929-4-26 Los Angeles 2 mi W of Ravenna Comment
  RSA0061141  Cryptantha circumscissa var. circumscissa LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 s.n. Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  LA81967  Cryptantha clevelandii O. H. Kappler; 1943-5-23 468 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  POM246606  Cryptantha clevelandii var. florosa F. R. Fosberg 1931-3-24 4350 Los Angeles Hamiltons Canyon, Santa Catalina Island 30 Comment
  RSA802443  Cryptantha clokeyi Orlando Mistretta, Youssef Atallah 2011-8-12 6021 Los Angeles Aliso Cyn, 1.8 miles West of Jct. of Aliso Cyn Road and Angeles Forest Hwy 1083 Comment
  SD237365  Cryptantha echinella R. G. Swinney 2009-5-13 10782 Los Angeles Transverse Range; San Gabriel Mtns.: upper Brainard Canyon, c. 2 miles south of Ft. Tejon Re., immediately NW of Cima Mesa, Juniper Hills. 1121 Comment
  RSA164777  Cryptantha echinella Wesley O. Griesel 1963-7-11 824 Los Angeles Blue Ridge. 2530 Comment
  RSA650999  Cryptantha intermedia Marion P. Harthill 1972-5-22 s.n. Los Angeles Hist. Monument Hwy. 138. 1188 Comment
  SBBG98661  Cryptantha intermedia T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5175 Los Angeles 1100 ft SSW of Twin Dams, 1450 ft NNW of Boulder marker (1859) 490 Comment
  UC78411  Cryptantha intermedia Rev. J. C. Nevin Los Angeles San Fernando Comment
  UC78692  Cryptantha intermedia T. S. Brandegee May 1889 Los Angeles Saugus Comment
  UCR120622  Cryptantha intermedia Steve Boyd, T. S. Ross 1988-4-28 2223 Los Angeles San Gabriel Mtns., W end of mtns., Angeles National Forest. Sand Canyon, east of Saugus. In small side canyon 793 Comment
  UCR99399  Cryptantha intermedia Jack Easton 1997-2-25 s.n. Los Angeles Glendale: western toe of San Rafael Hills 305 Comment
  POM9237  Cryptantha intermedia P. A. Munz, R. D. Harwood 1920-3-13 3341 Los Angeles San Jose Hills, 3 miles W of Pomona. 305 Comment
  UCR233751  Cryptantha leiocarpa Jeremiah George 2012-3-12 s.n. Los Angeles South Coast, Hermosa Beach, vacant lot south of 1125 Manhattan Avenue 11 Comment
Read comments
Dec 5 2018
  SD255675  Cryptantha micromeres Dan S. Cooper 2015-4-3 315 19 Los Angeles Los Angeles Basin/Western Transverse Range: Griffith Park, Los Angeles, Skyline Trail. (Burbank 7.5'Q) 182 Comment
  UC1293683  Cryptantha microstachys P. C. Everett and E. K. Balls 1959-6-2 23837 Los Angeles 1 mi ne Stokes Canyon entrance; Santa Monica Mts. 182 Comment
  UCR259578  Cryptantha microstachys R. G. Swinney 2010-4-13 12209 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  POM3900  Cryptantha muricata D. L. Crawford 1916-3-1 s.n. Los Angeles Mts. above Claremont along trail. 914 Comment
  RSA0076012  Cryptantha muricata R. G. Swinney 2010-4-13 12206 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Cyn. 561 Comment
  RSA0078881  Cryptantha muricata var. denticulata R. G. Swinney 1999-7-5 7533 Los Angeles San Gabriel Mtns.: Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines highway at a point 0.5 mi. west of junction of Hwy 2. 1866 Comment
  RSA0079345  Cryptantha muricata var. jonesii George B. Grant 1906-6-19 s.n. Los Angeles Summit of Mt. Wilson. 1828 Comment
  RSA756625  Cryptantha muricata var. jonesii Orlando Mistretta, Christine Mistretta 2008-4-17 2485 Los Angeles Southern California transmission line tower (Segment 6, Structure 24 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1301 Comment
  UCR162757  Cryptantha muricata var. muricata T. S. Ross, Steve Boyd 1990-6-6 2854 Los Angeles Green Valley Pasture, in San Francisquito Canyon 1037 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
  RSA771581  Cryptantha nevadensis var. rigida R. G. Swinney 2009-5-6 10662 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  UCR281354  Cryptantha nevadensis var. rigida R. G. Swinney 2014-4-24 16239 Los Angeles San Gabriel Mountains/Mojave Desert, SE of Valyermo, Shoemaker Cyn., S-facing slope on south side of Big Pines Hwy at 2nd horseshoe curve, 0.7 mile ENE of jct. of Big Rock Creek Rd. 1244 Comment
  RSA758244  Cryptantha nevadensis var. rigida Orlando Mistretta, Christine Mistretta 2008-4-16 2466 Los Angeles San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 23 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1142 Comment
  RSA725112  Cryptantha oxygona Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -54 Los Angeles San Gabriel Mountains region: 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
  UCR149919  Cryptantha oxygona R. G. Swinney 1999-6-18 7303 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1768 Comment
  SEINET10625753  Cucumis melo Mary Merello, Heidi H. Schmidt 1999-12-3 Merello 2509 Los Angeles City of Pasadena. Good Food Market, 1864 E. Washington. Comment
  SEINET10531086  Cupressus sempervirens David B. Dunn 1939-10-25 Dunn UMO 46541 Los Angeles Cultivated plants collected in the vicinity of Colorado Blvd. and Orange Dr., Pasadena, Calif. 274 Comment
  SD126006  Cuscuta californica var. californica A. C. Sanders 1987-7-22 7173 Los Angeles El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd. 29 Comment
  LA33485  Cuscuta salina var. salina Peter H. Raven; Henry J. Thompson 1959-9-6 14364 Los Angeles Santa Monica Mountains, Malibu Lagoon, mouth of Malibu Creek 1 Comment
  CLARK-A1528-2577  Cycloloma atriplicifolium John C. Roos 1937-9-29 Los Angeles El Monte Comment
  CATA1659  Cynara cardunculus Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Lisa Stratton 1998-7-16 2947 Los Angeles Santa Catalina Island: At Cherry Valley 3 Comment
  UCD169668  Cyperus difformis Louis C. Wheeler 1967-9-18 s.n. Los Angeles Los Angeles River at Los Feliz Blvd. 116 Comment
  CATA1434  Cyperus eragrostis Mark L. Hoefs, Robert F. Thorne, Janet Takara, Misty Gay 1996-4-5 2596 Los Angeles Santa Catalina Island: Just off of Airport Road by radio station 451 Comment
  UCR259359  Cyperus eragrostis R. G. Swinney 2010-4-20 12291 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UC302101  Cyperus eragrostis unknown Aug 1921 3454 Los Angeles roadside near Bandini Comment
  CAS-BOT-BC114413  Cyperus erythrorhizos Grace Cole Fleischman 1946-10-20 s.n. Los Angeles Puddingstone Reservoir near San Dimas Comment
  UCR31661  Cyperus gracilis Tom Yutani 1983-8-15 s.n. Los Angeles Santa Monica, a weed in the alley behind the house at 460 23rd Street Comment
  RSA0062565  Cyperus involucratus R. G. Swinney 2010-8-16 13543 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  UCR143250  Cytisus multiflorus LeRoy Gross 2004-3-30 1212 Los Angeles Transverse Ranges, Verdugo Mountains region; north side of the mountains; off the south side of the 210 fwy between La Tuna Canyon Road and Lowell Ave. in the city Tujunga 549 Comment
  SEINET6921968  Cytisus striatus S. D. Gaimari 1994-6-29 s.n. Los Angeles La Crescenta; 2 kilometers up Eagle Canyon, on south base of Mount Lukens. Comment
  UCR190613  Datisca glomerata R. G. Swinney 2000-6-25 7797 Los Angeles San Gabriel Mtns., west tributary of San Antonio Canyon, between Evey and Spruce canyons 939 Comment
  UCR155346  Daucus pusillus A. C. Sanders 2005-5-5 29860 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon on the ridge above and west of the community of Mint Canyon 549 Comment
  SDSU4564  Deinandra clementina R. M. Beauchamp 1967-3-19 309 Los Angeles West of Wilson Cove area; San Clemente Island. Comment
  SBBG41346  Deinandra fasciculata M. R. Benedict 1970-6-30 Los Angeles lower Cottonwood Cyn Comment
  CAS-BOT-BC299312  Deinandra fasciculata D. D. Keck 1930-6-11 A- 32 Los Angeles Stanford University glasshouse Comment
  SBBG17787  Deinandra fasciculata P. H. Raven 1962-7-11 17994 Los Angeles N of station Nanny, N of Lemon Tank Comment
  UC1587209  Deinandra fasciculata Tim Ross 1991-5-20 5361 Los Angeles uppermost reaches Wilson Cove Canyon drainage (3300 ft nw of the 750 ft BM); San Clemente Island 141 Comment
  RSA772586  Delphinium ajacis Kathy Malloy 1972-5-16 63 Los Angeles Pomona College wash (Blanchard Park), Claremont; San Gabriel Mts., Santa Ana River Watershed 335 Comment
  RSA149665  Delphinium parishii Harlan Lewis 1941-4-17 s.n. Los Angeles State Highway #138, 10 miles East of Little Rock, Los Angeles Comment
  UCR160086  Delphinium parishii subsp. parishii L. C. Wheeler 1968-6-1 s.n. Los Angeles San Gabriel Mtns., Campground vicinity, Devil's Canyon 1220 Comment
  RSA229025  Delphinium parishii subsp. parishii Robert F. Thorne, C. W. Tilforth 1971-6-30 40805 Los Angeles San Gabriel Mts., Angeles National Forest: Desiccated branch of S fork of Little Rock Creek, 1.8 miles below Alder Saddle in Pinyon Flats area. 1555 Comment
  CHSC95341  Delphinium parryi LeRoy Gross; Valerie Soza 2001-6-6 437 Los Angeles Los Angeles Basin: Verdugo Mountains Region: north side; Wildwood Fire Road (now deserted and growing back) off of Verdugo Mountain Way dirt fire road. Down (north) the road from the crest. 488 Comment
  RSA398706  Delphinium parryi R. J. Smith 1934-5-24 s.n. Los Angeles Santa Catalina Island. Comment
  RSA678123  Delphinium parryi subsp. parryi Valerie L. Soza, LeRoy Gross 2001-5-22 1240 Los Angeles Morgan Fire 2000 area, between Morgan and Wildwood Canyons, WSW of Sycamore Flat. 648 Comment
  UC1293681  Delphinium parryi subsp. parryi P. C. Everett and E. K. Balls 1959-6-2 23833 Los Angeles steep rocky burned over slopes 1 mi ne entrance to Stokes Canyon; Santa Monica Mountains 228 Comment
  POM306226  Delphinium parryi subsp. parryi Henry J. Ramsey, Henry J. Ramsey 1937-3-21 s.n. Los Angeles Altadena. Comment
  RSA0092163  Delphinium patens subsp. montanum R. G. Swinney 2011-5-26 14846 Los Angeles San Gabriel Mountains: 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1061 Comment
  SEINET4085839  Dendromecon harfordii R. Moran 1941-1 613 Los Angeles Johnson's Valley, Santa Catalina Island. 76 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
  HSC12309  Dendromecon rigida Wendell Wood 1970-6-24 40 Los Angeles Angeles Crest Hwy., 6 mi. beyond intersection of Foothill Blvd. 762 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
  UCR124704  Dendromecon rigida B. C. Templeton 1932-6-1 4866 Los Angeles San Gabriel Mtns., Swarthout Valley, Angeles National Forest 2012 Comment
  SEINET5339599  Dendromecon rigida G. B. Grant 278 Los Angeles Arroyo Seco Canyon. Comment
  POM243795  Dendromecon rigida subsp. rhamnoides F. R. Fosberg 1931-5-21 S 4929 Los Angeles Santa Catalina Island. Between Howland's Landing and Johnson's Landing. Comment
  SEINET10476255  Dendromecon rigida subsp. rhamnoides Jon Ricketson, Heidi H. Schmidt; Janet Takara 1992-10-20 Ricketson 4798 Los Angeles Santa Catalina Island; Catalina Conservancy Land, The James H. Ackerman Native Plant Nursery. In Middle Canyon, near Middle Ranch and Cape Canyon Trail. 10 miles west of the city of Avalon. Collections made in cooperation with the Catalina Conservancy. 230 Comment
  RSA59124  Dendromecon rigida subsp. rigida G. R. Campbell 1950-4-17 14593 Los Angeles Escondido Canyon, on road to Malibu Lake, 7 miles from Hwy Alt. 101. 457 Comment
  RSA311357  Deschampsia danthonioides R. F. Thorne 1969-7-2 38219 Los Angeles San Gabrial Mountains, Angeles National Forest: Charlton Flats burn (of 1954), 1601 Comment
  SD197725  Descurainia pinnata R. G. Swinney 2008-5-2 8739 Los Angeles San Gabriel Mountains; Big Rock Creek at Paradise Springs, on cmapground property. 1000 Comment
  RSA0119669  Descurainia pinnata subsp. glabra R. G. Swinney 2014-4-30 16264 Los Angeles San Gabriel Mountains; 3.8-4.0 miles s. of Hwy. 138 on w. side of Largo Vista Road to ridge, c. 100 meters to the west. 1387 Comment
  UCR151969  Descurainia pinnata subsp. glabra LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 883 Los Angeles Transverse Ranges/San Gabriel Mtns region, Big Rock Creek, N and east of Valyermo Ranger Station off Big Pines Hwy 1143 Comment
  CSUSB1747  Dicentra chrysantha Keith Thompson 1969-11-1 Los Angeles Cedar Springs. 1158 Comment
  RSA433537  Dicentra chrysantha J. F. McBroom 1941-7-25 s.n. Los Angeles Mt. Wilson. Comment
  UCR258586  Dicentra ochroleuca R. G. Swinney 2010-4-23 12357 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  CAS-BOT-BC209179  Dichanthelium acuminatum subsp. acuminatum Robert F. Thorne; M. Z. Thorne 1967-7-19 37129 Los Angeles Yucca Flats Summer Home Tract at upper end of Canyon of N Fork of San Gabriel River, San Gabriel Mts., Angeles National Forest 1249 Comment
  UC440431  Dichelostemma capitatum Carl Epling and Lincoln Ellison 1930-3-28 Los Angeles Las Flores Canyon Santa Monica Mountains Comment
  UCR216913  Dichelostemma capitatum R. G. Swinney 2009-3-16 10127 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 400 m NE of River Bike Path parking lot at Hwy 39 227 Comment
  RSA652838  Dichelostemma capitatum subsp. capitatum Roxanne Smith 1991-5-12 22 Los Angeles Hills about 0.6 mile south-east of Golden Springs and Diamond Bar Blvd. Comment
  SD186024  Dichelostemma capitatum subsp. capitatum A. C. Sanders 2003-3-14 25755 Los Angeles Long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foopthill Blvd. 157 Comment
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Nov 11 2010
  SD86315  Dichelostemma capitatum subsp. capitatum R Mitchel Beauchamp, M. Douglas 1972-3-24 3211 Los Angeles In open area at turnoff for Lamar and Darter Stations, San Clemente Island. 60 Comment
  POM292882  Dichondra occidentalis Lyman Benson 1953-5-2 15107 Los Angeles Catalina Island. North face of Swain Canyon, Whites Landing 366 Comment
  SFV18106  Dichondra occidentalis C. L. Michaels 1994-6-20 s. n. Los Angeles Tuna Canyon, 0.8 miles from the intersection of Pacific Coast Highway. Northeast-facing slope. Comment
  HSC5262  Digitaria sanguinalis John Warner Hosking 1964-10-26 Los Angeles El Camino College Comment
  UCR127064  Dimorphotheca sinuata Mark A. Elvin, Cathleen Weigand 2003-4-8 2463 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, ridge between Hasley and Castaic Creeks 351 Comment
  SEINET10718508  Dioscorea Heidi H. Schmidt, M. R. Weed 1999-10-12 Schmidt 3801 Los Angeles City of Santa Monica. Yaohan: 3760 Centinela Avenue: Santa Monica, CA: 90066: (310) 398-2113 - phone. 20 Comment
  SD37734  Diplacus brevipes Edith A. Purer 1935-5-11 6591 Los Angeles Malibou Lodge Road, Santa Monica Mountains 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
  CHSC3710  Diplacus longiflorus Sue Boergadine 1966-5-10 Los Angeles San Raphael Hills. 213 Comment
  SD12590  Diplacus longiflorus Edith A. Purer 1935-5-11 6545 Los Angeles Hillside, Malibu Road, Santa Monica Mts. Comment
  CAS-BOT-BC150850  Diplacus puniceus Huron H. Smith 1912-6-14 5107 Los Angeles Silver Canyon, Santa Catalina Isl. 487 Comment
  SEINET4095744  Diplacus puniceus R. Moran 1941-1 628 Los Angeles Bottom of wash, Johnson's Valley, Santa Catalina Island. 100 Comment
  RSA747399  Distichlis spicata R. G. Swinney 2008-6-9 8949 Los Angeles San Gabriel Mtns.: Sandrock Creek, 1.0 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  RSA461501  Dodecatheon clevelandii D. A. Young 1969-3-9 P 303 Los Angeles 1/2 mile from gate 6, Puddingstone State Park, off of san dimas ave. in a canyon approx. 300 yds. NW of the road. 610 Comment
  RSA461503  Dodecatheon clevelandii subsp. clevelandii E. Crow 1929-2-10 150 Los Angeles Foothills north of Glendora Comment
  LA200094  Dryopteris arguta Lawrence L. Kiefer; 1966-5-14 2026 Los Angeles SANTA MONICA MOUNTAINS, ca 2 mi W of Laurel Canyon Blvd in canyon N of Mulholland Dr. 243 Comment
  POM819  Dryopteris arguta George B. Grant 1906-4-15 s.n. Los Angeles Old Mt. Wilson Trail Comment
  RSA0124074  Dryopteris arguta Lyman Benson 1947-3-26 12284 Los Angeles Midway Between Pomona and Brea. Puente Hills 274 Comment
  SBBG131992  Dryopteris arguta S. A. Junak, R. Philbrick 1990-11-8 SCI 124 Los Angeles Camera Pad "Pebble" 365 Comment
  RSA423480  Dudleya caespitosa Howard Mullins 1931-5-9 s.n. Los Angeles El Segundo Comment
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Dec 4 2018
  UC1593826  Dudleya hassei Jim Dice, Michael Donoghue and Terry Martin 1983-5-20 347 Los Angeles ne facing slope above Pebbly Beach Drive (betw Avalon Bay and Abalone Point); Santa Catalina Island Comment
  CAS-BOT-BC428409  Dudleya lanceolata Alice Eastwood 1919-5-29 9009 Los Angeles San Gabriel Canyon Comment
  RSA713826  Dudleya lanceolata Mark Elvin 2003-6-12 2942 Los Angeles Santa Clarita Valley: Newhall Ranch, S side of Potrero Canyon, S of Potrero Mesa. 335 Comment
  RSA83411  Dudleya lanceolata F. W. Peirson 1906-7-10 1934 Los Angeles Rustic Canyon, Santa Monica Mtns. Comment
  RSA348069  Dudleya lanceolata Dave Kelly, W. Wisura 1986-4-30 4116 Los Angeles Baldwin Hills, near radio towers above Co. park off La Cienega Blvd. Comment
  SD58739  Echeveria longissima C. E. Wright 1963-11-19 Los Angeles Ex. hort. Los Alamitos. Comment
  RSA620043  Echinochloa crus-galli LeRoy Gross 1998-11-1 93 Los Angeles Southern base San Gabriel Mtns.: Big Tujunga wash. East of 210 freeway, city of Sunland. 365 Comment
  CDA2006  Echinochloa crus-galli var. crus-galli L. C. Wheeler 1966-9-6 8873 Los Angeles Transverse Ranges; San Gabriel Mountains region; San Gabriel Mountains, Angeles National Forest: Little Rock Reservoir 0 Comment
  LA211128  Echium candicans Arthur C. Gibson; Tarja Sagar, Tony Valois 2010-2-18 5267 Los Angeles SANTA MONICA MOUNTAINS, Along Siena Way ca. 2 km from Pacific Coast Hwy, Malibu. Comment
  SBBG17269  Ehrendorferia chrysantha K. A. Wilson 1962-5-12 1283 Los Angeles Soledad Cyn Rd, 4 mi E of Agua Dulce Cyn Rd Comment
  UCSB27635  Ehrendorferia chrysantha Lavinger, S. 1975-12-1 Los Angeles On Lake Hughes Road 2 miles north of Prospect Campgrounds 762 Comment
  SBBG118701  Ehrharta calycina V. Soza with L. Gross 1999-5-11 466 Los Angeles San Dimas Experimental Forest, SW of Johnstone Pk, E side of jct of Sycamore Flat Motorway and Bluebird Motorway, (T1N R9W, NW/4, SW/4 sec.23) 868 Comment
  SBBG42097  Ehrharta erecta S. A. Junak 1998-6-13 SCa 743 Los Angeles Avalon, in planted area at Casino Building 7 Comment
  UCR141154  Ehrharta erecta June Latting 1959-9-18 s.n. Los Angeles South Coast, Agricultural Experiment Station, University of California, Los Angeles 137 Comment
  UCSB23329  Eleocharis acicularis Bishop, Richard 1967-5-14 Los Angeles Bull Creek, 1 mi. east of intersection of Balboa and Rinaldi Streets, Granada Hills, San Fernando Valley 274 Comment
  CATA1331  Eleocharis macrostachya Mark L. Hoefs, Robert F. Thorne, Janet Takara 1995-7-25 2432 Los Angeles Santa Catalina Island: Lower Buffalo Springs Reservoir 426 Comment
  SBBG98663  Eleocharis macrostachya T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5182 Los Angeles Twin Dams at W of two earthen dams 473 Comment
  CAS-BOT-BC113039  Eleocharis montevidensis George B. Grant 1901-4-4 3852 Los Angeles Los Angeles, sandy river bottom. Comment
  CAS-BOT-BC113166  Eleocharis palustris Adolph Daniel Edward Elmer 1903-7-1 4767 Los Angeles San Pedro Comment
  RSA729330  Eleocharis parishii R. G. Swinney 1999-6-30 7472 Los Angeles Grand View Canyon, c. 1.3mi. north of Big Pines Hwy at All Nations Camp. Riparian zone with Alnus rhombifolia, surrounded by pinyon-juniper woodland. 1561 Comment
  RSA735125  Eleusine coracana subsp. africana R. E. Riefner 2007-8-3 7 -341 Los Angeles San Dimas, Puddingstone Reservoir, Bonelli Region County Park. 290 Comment
  CAS-BOT-BC227930  Elymus elymoides Victor Duran 1933-7-9 3506 Los Angeles Horse Flats, San Gabriel Mts. 1676 Comment
  UCR94662  Elymus elymoides A. C. Sanders, E. J. Lott 1993-5-6 13956 Los Angeles Western Mojave Desert, 13 miles north of Palmdale, Sierra Hwy at Ave 'F 701 Comment
  POM210814  Elymus elymoides subsp. californicus Victor Duran 1933-7-9 3506 Los Angeles Horse Flats, San Gabriel Mountains. 1677 Comment
  RSA339492  Elymus elymoides subsp. californicus Wayne E. Sawyer 1981-7-24 111 Los Angeles 0.5 mi. W of Mt. Hawkins 2560 Comment
  POM178021  Elymus glaucus Joseph A. Ewan 1931-5-16 4202 Los Angeles Dry Canyon above Calabasas, Santa Monica Mountains 366 Comment
  UCR150553  Elymus glaucus R. G. Swinney 1999-6-21 7351 Los Angeles San Gabriel Mtns., spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  CAS-BOT-BC206752  Elymus glaucus subsp. glaucus H. M. Hall 1901-6-20 2207 Los Angeles South side San Jacinto Mountains. 1645 Comment
  CAS-BOT-BC206761  Elymus glaucus subsp. glaucus Timothy S. Ross; Steve Boyd 1995-6-29 8659 Los Angeles Near west summit of Liebre Mountain. 1706 Comment
  UCR273654  Elymus glaucus subsp. glaucus R. G. Swinney 2011-6-1 14947 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
  UCR271564  Elymus glaucus subsp. virescens R. G. Swinney 2011-6-23 15292 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  CATA1686  Elymus triticoides Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-7-18 2981 Los Angeles Santa Catalina Island: Lower Middle Ranch Canyon 219 Comment
  UCR182688  Elymus triticoides R. G. Swinney 1997-8-6 5775 Los Angeles San Gabriel Mtns, along Big Pines Hwy, c. 0.5 mi. west of Hwy 2 junction, east of Jackson Lake 2024 Comment
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Mar 27 2014
  SD234884  Emmenanthe penduliflora A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26137 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, north of the filteration plant along a dirt track near the crest of the hills east of and above Lake Hughes Rd., near Castaic Lake dam. 487 Comment
  RSA171987  Emmenanthe penduliflora var. penduliflora James Henrickson 1963-5-5 32306 Los Angeles About 4 miles N of Claremont. Burned-over, rocky, open slopes of Cobal Canyon, Foothills of San Gabriel Mts. 518 Comment
  RSA82725  Emmenanthe penduliflora var. penduliflora P. A. Munz 1925-4-23 9455 Los Angeles San Gabriel Canyon. 488 Comment
  CAS-BOT-BC131223  Encelia californica S. Y. Parnay Mar. s.n. Los Angeles Griffith Park Comment
  SFV17861  Ephedra aspera J. D. Dilley 1998-3-29 254 Los Angeles Mojave Desert Just north of the foothills of the San Gabriel Mountains and just east of Palmdale. Junction of Avenue T and Little Rock Creek, across from quarry. 900 Comment
  RSA0049936  Ephedra nevadensis R. G. Swinney 2010-5-12 12743 Los Angeles Soledad Canyon bottom, 2.2 miles west of Angeles Forest Hwy., 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m. to the east on the south side of West Carson Mesa Rd. 921 Comment
  RSA584307  Ephedra nevadensis T. S. Ross, Steve Boyd 1991-3-23 4249 Los Angeles Lovejoy Buttes, on the Mojave Desert: NE portion of the main buttes, west of Lovejoy Springs (destroyed by development). 851 Comment
  RSA589110  Ephedra nevadensis T. S. Ross 1992-4-4 6104 Los Angeles Big Rock Creek: ca 0.25 mile S of Big Pines Highway, between the stream and Big Rock Creek Road 1207 Comment
  UCR129492  Ephedra nevadensis David Charlton 1990-5-12 4224 Los Angeles Mojave Desert, Kentucky Springs, Sierra Highway, northern edge of Angeles National Forest 1037 Comment
  UCR281372  Ephedra nevadensis R. G. Swinney 2014-4-23 16147 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
  RSA72136  Epilobium angustifolium subsp. circumvagum F. W. Peirson 1921-7-17 2506 Los Angeles Prairie Fork of San Gabriel River, San Gabriel Mountains. 2134 Comment
  UCR204819  Epilobium brachycarpum R. G. Swinney 2005-8-22 8515 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, lower Holcomb Canyon 1354 Comment
  RSA609118  Epilobium canum subsp. canum Louis C. Wheeler 1968-8-22 s.n. Los Angeles San Gabriel Mountains: Roberts Canyon at Silver Fish Truck Trail. 640 Comment
  SD31215  Epilobium canum subsp. canum Edith A. Purer 1932-8-31 4865 Los Angeles Palos Verdes Hills. Comment
  SEINET4040455  Epilobium canum subsp. canum M. B. Dunkle 1939-1 7340 Los Angeles Canyon head, Mosquito Summit, San Clemente Island. Comment
  LA206138  Epilobium canum subsp. latifolium Joseph Andorfer Ewan; 1931-8-4 4814 Los Angeles San Bernardino Mountains, Fawnskin Valley Road 2133 Comment
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Jun 12 2015
  RSA659868  Epilobium canum subsp. latifolium Orlando Mistretta 1992-8-20 760 Los Angeles Transverse Ranges; San Gabriel Mtns Region: Mt Gleason. Tujunga Ranger District. Comment
  UC56106  Epilobium ciliatum subsp. ciliatum J. H. Barber 1898-8-3 Los Angeles Topanga Comment
  UCR271145  Epilobium ciliatum subsp. ciliatum R. G. Swinney 2011-9-27 15697 Los Angeles San Gabriel Mountains, Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2384 Comment
  RSA716481  Epilobium densiflorum Scott D. White, Andrea Warniment 2006-7-7 11619 Los Angeles Gorman area, Gorman creek NE of the I-5 Freeway. SE Tehachapi Mts. 1037 Comment
  RSA381716  Epipactis gigantea George R. Johnstone 1930-6-15 s.n. Los Angeles Indian Canyon near Ravenna 1067 Comment
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Nov 8 2011
  UCR256444  Epipactis gigantea R. G. Swinney 2010-9-9 13765 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
  UCD169202  Epipactis helleborine A. C. Sanders; T. B. Salvato 2009-5-19 36838 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center. 110 Comment
  UC218659  Equisetum arvense P. A. Munz 1922-7-17 6070 Los Angeles hillside below Camp Baldy; San Gabriel Mts., San Antonio Canyon 1280 Comment
  UC284816  Equisetum arvense P. A. Munz 1923-5-26 6839 Los Angeles Head of Vincent Gulch, San Gabriel Mountains Comment
  CAS-BOT-BC167380  Equisetum hyemale A. C. Sanders; Mark A. Elvin 2002-8-26 25583 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed: Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near Airport Mesa 305 Comment
  RSA684607  Equisetum laevigatum Albert J. Perkins 1918-1-13 s.n. Los Angeles Switzer s Camp Comment
  UCR129905  Equisetum laevigatum L. C. Wheeler 1932-7-2 890 Los Angeles San Gabriel Mtns., San Dimas Canyon 457 Comment
  UCR184104  Equisetum laevigatum A. C. Sanders 2007-4-13 33411 Los Angeles Tehachapi Mtns. Foothills, below the entrance road near the gate to the National Cement Plant, along creek c. 0.25 mi south of Kern Co. line 991 Comment
  LA94036  Equisetum telmateia subsp. braunii Lawrence L. Kiefer; 1966-3-26 1799 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon, ca 1.5 mi S of Topanga. 182 Comment
  RSA684718  Equisetum telmateia var. braunii M. B. Dunkle 1931-4-22 2458 Los Angeles Middle Ranch Canyon, Santa Catalina Island. Comment
  POM352235  Eragrostis cilianensis Anstruther Davidson 1892-1 s.n. Los Angeles Los Angeles Comment
  SDSU1099  Eragrostis cilianensis F. Youngberg Los Angeles Orange Orchard near Claremont Comment
  SBBG69941  Eremogone macradenia var. macradenia unknown 1895-1 Los Angeles Big Rock Comment
  CHSC95546  Eremothera boothii subsp. decorticans LeRoy Gross 2005-5-19 2302 Los Angeles Mojave Desert; West Mojave Desert region: South of Ave A (Kern County boundary) east of the #14 freeway. South of the city of Rosamond. between 20th Street West and Sierra Highway. Started at Ave A, Near 34.820450N 118.16535W then walked south to 34.81703, 118.16403W. 722 Comment
  CAS-BOT-BC162889  Eremothera boothii subsp. desertorum Mrs. Josephine Bates 1932-5-3 s.n. Los Angeles Ten miles north of Lancaster, Los Angeles County-Kern County line, Mojave Desert 701 Comment
  UCR150889  Eriastrum densifolium subsp. densifolium Valerie Soza, LeRoy Gross, Jean Kuo 1999-7-6 608 Los Angeles Transverse Ranges; San Gabriel Mtns, South Fork Campground, South Fork Big Rock Creek 1402 Comment
  SEINET6349437  Eriastrum densifolium subsp. densifolium Elizabeth F. Sprague 1968-1 s.n. Los Angeles at Vincent, junc. of Hwy 14 & N3, S of Palmdale Comment
  UC130860  Eriastrum pluriflorum Katharine Brandegee May 1909 Los Angeles Lancaster Comment
  RSA679830  Ericameria cooperi LeRoy Gross, Orlando Mistretta, Valerie L. Sosa 2003-5-13 853 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway 1143 Comment
  SD68972  Ericameria cooperi var. cooperi James Henrickson 1966-4-16 2236 Los Angeles Soledad Canyon; in Escondito Canyon Road 1 mile northwest of Highway 14. 885 Comment
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Jul 9 2014
  UC1432747  Ericameria cooperi var. cooperi J. L. Strother 1968-4-18 612 Los Angeles ca 20 mi w Route 14 (Route 138) 792 Comment
  UC1871305  Ericameria cooperi var. cooperi T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 5014 Los Angeles Transverse Ranges; San Gabriel Mountains region; 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash; Acton USGS 7.5' USGS Quadrangle; T4N R13W, N/2 NE/4 NE/4 S1; elev. 2760-2880 ft. Comment
  CAS-BOT-BC286889  Ericameria ericoides Carl B. Wolf 1931-12-30 2640 Los Angeles Bluffs at Playa Del Rey 30 Comment
  CAS-BOT-BC287622  Ericameria linearifolia Barbara Shervanick 1974-4-28 1215 Los Angeles Highway 138 about 0.75 mile NW of highway 395, Mormon Rocks, Antelope Valley, San Gabriel Mt Range 944 Comment
  RSA730078  Ericameria linearifolia R. G. Swinney 1999-6-5 7243 Los Angeles San Gabriel Mtns.: east side of Big John Peak, west of Mescal Creek above Big John Flat. 1780 Comment
  SJSU2503  Ericameria linearifolia H. L. Buckalew 1962-4-19 Los Angeles Mohave Desert: about midway between Little Rock & Victorville Comment
  UCR255829  Ericameria nauseosa subsp. consimilis R. G. Swinney 2010-9-23 13882 Los Angeles San Gabriel Mountains, summit of Middle Hawkins Peak on Hawkins Ridge 2593 Comment
  SBBG128413  Ericameria palmeri var. pachylepis M. L. Hoefs, S. A. Junak, J. Takara, K. Kirkland 1995-11-10 2554 Los Angeles lower rd to Empire Landing, toward beach 24 Comment
  RSA616058  Ericameria parishii Scott D. White 1997-1-20 6054 Los Angeles Santa Clara River Watershed: Headwaters of Iron Canyon and Oak Springs Canyon. 1160 Comment
  RSA702817  Ericameria parishii Scott D. White 2004-8-20 10726 Los Angeles San Gabriel Mountains: Upper Big Tujunga Canyon. West of Upper Big Tujunga Cyn Rd, ca. 2 air miles N of jtn w/ Angeles Crest Hwy. 1067 Comment
  UCR177931  Ericameria parishii LeRoy Gross 2001-9-1 446 Los Angeles Los Angeles Basin, Verdugo Mountains; north side, along Hostetter Mountain Way 610 Comment
  POM359462  Ericameria pinifolia Fordyce Grinnell Jr. 1911-06 s.n. Los Angeles Longs Canyon, San Gabriel Mts. Comment
  UCR125608  Ericameria pinifolia A. C. Sanders 2003-5-22 26822 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
  UCR272965  Ericameria pinifolia R. G. Swinney 2011-6-29 15335 Los Angeles San Gabriel Mountains, mouth of Monte Cristo Canyon, confluence with Mill Creek 1098 Comment
  SBBG113280  Erigeron bonariensis S. A. Junak with M. L. Hoefs 1997-6-4 SCa 418 Los Angeles lower rd to Empire Landing rock quarry site 12 Comment
  RSA733171  Erigeron breweri var. covillei R. G. Swinney 1998-8-6 6678 Los Angeles San Gabriel Mtns.: Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River. 1037 Comment
  RSA730178  Erigeron foliosus R. G. Swinney 1998-9-4 6890 Los Angeles San Gabriel Mtns.; dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi east of Hwy 2 on 3N06 2241 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
  UCR256190  Erigeron foliosus R. G. Swinney 2010-6-4 13064 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  RSA606373  Erigeron foliosus Jon E. Keeley 1994-6-17 25384 Los Angeles First year after wild fire. Carbon Canyon, 1 km E of Hwy 1. Study Site CC1. Santa Monica Mountains. 730 Comment
  JEPS22724  Erigeron foliosus var. foliosus Rimo Bacigalupi with Reino Alava 1958-7-20 6402 Los Angeles Charleton Flat San Gabriel Mountains, Angeles National Forest (close to Angeles Crest Highway (State Highway 2)) 1623 Comment
  RSA0105393  Erigeron foliosus var. stenophyllus Henry J. Ramsey, Henry J. Ramsey 1937-8-29 970 Los Angeles Altadena. 396 Comment
  LA99374  Eriodictyon crassifolium E. R. Hobbs; 1978-4-23 78- 173 Los Angeles San Gabriel Mountains, Sand Canyon, Santa Clara River Valley, W part of range Comment
  OBI78788  Eriodictyon crassifolium Jill Bushakra, John Bushakra 2001-6-2 115 Los Angeles Pine Canyon, Pine Canyon and Schaffer Roads. 762 Comment
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Mar 23 2015
  UC697774  Eriodictyon crassifolium Kay H. Beach 1943-5-11 1743 Los Angeles on Woods Trail upper part Lewis Paul Canyon; San Gabriel Mts., Lewis Paul Canyon Comment
  UC1234583  Eriodictyon traskiae Peter H. Raven 1962-5-20 17787 Los Angeles on Airport Road above Whites Landing; Santa Catalina Island, above Whites Landing 426 Comment
  POM3877  Eriodictyon trichocalyx L W Case 1907-6-20 s.n. Los Angeles Claremont. 366 Comment
  UCR114214  Eriodictyon trichocalyx A. C. Sanders, D. Malueg 1998-6-24 22077 Los Angeles San Gabriel Mtns., 2 miles east of Mt. Gleason at Little Gleason Forestry Plantation, on So. Cal. Edison Mesa-Vincent transmission line at tower 7-2 1707 Comment
  RSA180093  Eriodictyon trichocalyx var. trichocalyx Wandalee Thompson 1965-6-26 s.n. Los Angeles Pine Canyon. 1524 Comment
  RSA293453  Eriodictyon trichocalyx var. trichocalyx S. Carlquist 1981-6-6 15651 a Los Angeles Glendora Mountain Road. Comment
  UCSB5288  Eriodictyon trichocalyx var. trichocalyx Wedberg, H. 1958-7-3 Los Angeles Crystal Lake, San Gabriel Mtns. Comment
  RSA716483  Eriogonum angulosum Scott D. White, Andrea Warniment 2006-7-7 11616 Los Angeles Gorman area, west of the I-5 Freeway at SR-138 interchange. SE Tehachapi Mts. 1006 Comment
  SDSU21100  Eriogonum angulosum Ian Cain, Bruce Lund 2010-5-10 1410 Los Angeles North west of Lancaster. 3.33km north east of intersection of 170th Street West and Highway 138 790 Comment
  UCR128098  Eriogonum angulosum Mark A. Elvin 2003-6-19 2949 Los Angeles Western Transverse Range, hills west of San Martinez Grande Canyon and north of Calif. Hwy 126, Newhall Ranch 366 Comment
  RSA578119  Eriogonum baileyi var. baileyi Tim S. Ross, S. D. Boyd 1994-9-20 8234 Los Angeles 2 miles NW of Acton: sandy wash, S side of intersection Escondido Canyon Road and Red Rover Mine Road. 884 Comment
  SBBG61895  Eriogonum brachyanthum R. Hoffmann 1925-5-15 Los Angeles Antelope Valley Comment
  CAS-BOT-BC241897  Eriogonum cinereum Noel H. Holmgren; James L. Reveal 1966-5-31 2616 Los Angeles California 1, about 10 miles west of Malibu Comment
  CAS-BOT-BC241984  Eriogonum cinereum C. B. Wolf 1931-6-25 2244 Los Angeles Along Beverly Blvd., on grade leading down into Santa Monica Canyon 457 Comment
  RSA40323  Eriogonum cinereum L. S. Rose 1946-12-20 s.n. Los Angeles Malibu. Comment
  RSA766330  Eriogonum davidsonii Joseph A. Ewan 1929-7-11 1528 Los Angeles Trail from Mt. Lowe to Switzers Camp. San Gabriel Mts. 1220 Comment
  IRVC29074  Eriogonum elongatum June Latting 1976-10-6 s.n. Los Angeles Mountain foothills/Mojave Desert: Bob's Gap and Valyermo Road Transverse Ranges, San Gabriel Mountains 1250 Comment
  CDA22588  Eriogonum fasciculatum A. C. Browne 1953-7-3 Los Angeles Highway 99, 3 miles south of Gorman. 0 Comment
  CHSC57924  Eriogonum fasciculatum Blake A. Rowe 1986-6-30 42 Los Angeles Along Hwy 126, 20 km e of Canyon Country. 400 Comment
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Apr 19 2020
  RSA167638  Eriogonum fasciculatum Peter H. Raven, Robert F. Thorne 1964-5-7 19013 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  RSA0091510  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2011-10-10 15744 Los Angeles east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1537 Comment
  RSA0092466  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2011-10-27 15922 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
  UCR140647  Eriogonum fasciculatum subsp. polifolium Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-16 1- 7 Los Angeles Western Transverse Range, Acton [near Red Rover Mine], Escondido Canyon off Route 14, Site L1 950 Comment
  LA99463  Eriogonum fasciculatum var. fasciculatum Hisao P. Arai; 1957-3-16 sn Los Angeles Santa Monica Mountains, Saddle Peak, near Saddle Peak Comment
  RSA594215  Eriogonum fasciculatum var. foliolosum Louis C. Wheeler 1967-5-8 9319 Los Angeles Liebre Mountains. Foothills northeast of Saugus. 396 Comment
  RSA754144  Eriogonum fasciculatum var. foliolosum Ellen Mackey, Blake Whittiington 2006-10-26 NFWF- 1836 Los Angeles San Gabriel River near Rincon Ranger Station 450 Comment
  UC586908  Eriogonum fasciculatum var. polifolium Joseph Andorfer Ewan 1934-8-3 8431 Los Angeles Table Mt. Trail to Swartout Valley floor 2194 Comment
  UC1194909  Eriogonum giganteum var. formosum Reid Moran 1958-9-16 6843 Los Angeles canyon 2 mi se Eel Point; San Clemente Island 100 Comment
  CAS-BOT-BC253459  Eriogonum gracile J. Ewan 1931-10-11 5247 Los Angeles Sepulveda Canyon Road north of Mulholland, Santa Monica Mts. Comment
  CAS-BOT-BC253460  Eriogonum gracile J. Ewan 1931-10-11 5243 Los Angeles Sepulveda Canyon Road north of Mulholland, Santa Monica Mts. Comment
  SEINET7063478  Eriogonum gracile A. G. Vestal 1947-4-2 s.n. Los Angeles Puenta Hill. UTM Zone 11, 426531mE, 3763984mN. (WGS84/NAD83). 309 Comment
  IRVC26924  Eriogonum gracile var. gracile Mark A. Elvin, Kim Marsden 2003-8-8 2970 A Los Angeles Newhall Ranch, Potrero Canyon SW of the junction of Potrero Creek and the Santa Clara River Santa Clarita Valley 305 Comment
  UCR127659  Eriogonum gracile var. gracile A. C. Sanders, Mark Elvin 2002-6-20 25216 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  CATA2523  Eriogonum grande var. grande Steven A. Junak 1997-10-20 969 Los Angeles San Clemente Island: E side of island, at mouth of southernmost canyon of Bryce Canyon complex 3 Comment
  SD48933  Eriogonum grande var. grande Reid Moran 1958-9-15 6827 Los Angeles West slope of canyon, 1.8 miles SW of Eel Point, San Clemente Island 99 Comment
  OBI5899  Eriogonum heermannii Carl B. Wolf 1931-11-8 2629 Los Angeles Big Rock Creek, Desert Slope of San Gabriel Mts, 1/8 mi below Big Rock Ranger Station 1067 Comment
  UCR210245  Eriogonum heermannii R. G. Swinney 2008-8-14 9436 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek, on east bank of main channel c. 100 m south of South Fork Campground 1378 Comment
  CAS-BOT-BC261173  Eriogonum heermannii var. heermannii Elmer I. Applegate 1931-11-8 7003 Los Angeles 5 miles east of Little Rock, Big Rock Creek Ranger Station, Big Rock Creek, north base of San Gabriel Mts. Comment
  UC1586240  Eriogonum hirtiflorum Tim Ross 1991-8-16 5863 Los Angeles s end of Horse Flats San Gabriel Mts., Chilao Flat USGS 7.5' quad, Horse Flats 1740 Comment
  UC1375437  Eriogonum kennedyi var. alpigenum Robert F. Thorne 1971-8-25 41244 Los Angeles s ridge of summit of Mt. Baden-Powell San Gabriel Mts., Angeles National Forest, Mt. Baden-Powell 2804 Comment
  CAS-BOT-BC263039  Eriogonum maculatum A. D. E. Elmer 1902-6-1 3708 Los Angeles Unspecified Comment
  UCR106895  Eriogonum microthecum var. corymbosoides L. C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mtns., Little Rock Creek by the abandoned pumphouse and dam 1951 Comment
  UC205970 Image available Eriogonum microthecum var. johnstonii I. M. Johnston 1917-9-16 1726 Los Angeles w spur Baldy; San Antonio Mountains; San Antonio Mts. 2743 Comment
  CAS-BOT-BC268776  Eriogonum mohavense H. E. Hasse 1893-8-20 s.n. Los Angeles Acton Comment
  SD185289  Eriogonum mohavense T. B. Salvato, Sandra Murcia 2005-11-8 1282 Los Angeles West Mojave Desert; NE edge of Palmdale ca 2 mi N of Pearland Blvd to Avenue Q, E of 51st Street 242 Comment
  UC131130  Eriogonum mohavense Katharine Brandegee May 1909 Los Angeles Lancaster Comment
  RSA567296  Eriogonum nudum var. pauciflorum Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3971 Los Angeles Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. [West Summit here construed as the 5605-foot knoll near the intersection of sections 3,4,9,10] 1390 Comment
  RSA766126  Eriogonum nudum var. pauciflorum Joseph A. Ewan 1929-7-10 1508 Los Angeles Barley Flats, San Gabriel Mts. 1716 Comment
  UC426473  Eriogonum nudum var. pauciflorum G. J. Goodman, C. L. Hitchcock Jul 28 1930-Jul 30 1930 1719 Los Angeles s slope of Mt. San Antonio Mt. San Antonio 2438 Comment
  JEPS56545  Eriogonum palmerianum Ralph Hoffmann 1927-9-23 2689 Los Angeles Palmdale Comment
  RSA0081779  Eriogonum parishii R. G. Swinney 2010-9-7 13708 Los Angeles Crystal Lake, within 50 ft. of shore line around the entire perimeter. 1683 Comment
  RSA594680  Eriogonum parishii Louis C. Wheeler 1946-8-28 6275 Los Angeles Mescal Creek, just about (south of) Appletree Flat. 1884 Comment
  RSA649665  Eriogonum parishii Rashmi Pant, Nitin Bhatt 1997-5-25 1046 Los Angeles along the Angeles Crest Hwy (Hwy 2) at milepost 59.0. 1.2 miles west of Kraftka Ridge Ski Resort and 5.2 miles west of the junction of California Hwy 39. 1982 Comment
  SEINET11938196  Eriogonum parvifolium E. A. Purer 1933-1 5584 Los Angeles El Segundo Comment
  RSA393062  Eriogonum parvifolium var. parvifolium F. R. Fosberg 1931-8-30 S 5618 Los Angeles El Segundo 15 Comment
  SFV6865  Eriogonum plumatella T. Gordon, K. A. Wilson, D. R. Perry 1974-8-14 569 Los Angeles Mojave Desert County Road N4 about 0.5 miles south of Highway 138. 1070 Comment
  CAS-BOT-BC258233  Eriogonum pusillum L. R. Abrams 1941-4-24 13945 Los Angeles Between Big Rock Creek and Little Rock Creek on State Highway 138 Comment
  CAS-BOT-BC267614  Eriogonum saxatile Louis C. Wheeler 1970-7-25 s.n. Los Angeles Heliport 0.3 mile north of South Mt. Hawkins, San Gabriel Mountains 2286 Comment
  CAS-BOT-BC267616  Eriogonum saxatile Geo. B. Grant 1901-5-1 3968 Los Angeles Unspecified 1524 Comment
  RSA64577  Eriogonum saxatile F. W. Peirson 1918-6-30 24 Los Angeles San Gabriel Mountains: between Sn Gabriel Peak and Mt. Wilson 1646 Comment
  RSA766276  Eriogonum stellatum Joseph A. Ewan 1936-7-22 9830 Los Angeles Blue Ridge trail. San Gabriel Mts. 2317 Comment
  UC205985  Eriogonum thurberi I. Johnston 1917-5-13 978 Los Angeles San Gabriel Wash 152 Comment
  RSA776326  Eriogonum trichopes R. G. Swinney 2009-4-29 10604 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  UCR209618  Eriogonum umbellatum var. minus R. G. Swinney 2008-7-3 9145 Los Angeles San Gabriel Mtns., Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2345 Comment
  SBBG64210  Eriogonum vimineum R. Hoffmann 1928-11-11 Los Angeles Little Rock Dam Comment
  POM357948  Eriophyllum confertiflorum M. B. Dunkle 1932-5-28 2971 Los Angeles White's Landing, Santa Catalina Island. Comment
  SFV16235  Eriophyllum confertiflorum L. Peralta 1996-5-13 s. n. Los Angeles San Gabriel Mountains Middle Ranch, off of Little Tujunga Canyon Road, about 0.5 miles east of entrance. Comment
  UCR157914  Eriophyllum confertiflorum Robert J. Steers 2005-5-8 2 Los Angeles South Coast, Palos Verdes Peninsula: on primarily south-facing hillside that is 200 ft west of Pirate Dr. along the north side of Forrestal Dr 183 Comment
  POM178023  Eriophyllum confertiflorum var. confertiflorum Joseph A. Ewan 1931-5-31 4280 Los Angeles East slope of San Gabriel Peak on Wilson Opids Rd. Comment
  SEINET11850698  Eriophyllum confertiflorum var. laxiflorum J. F. Bright, Wyman, C. 1933-1 8345 Los Angeles Boquet Canyon Comment
  CDA5403  Eriophyllum staechadifolium A. C. Browne 1953-8-3 s.n. Los Angeles Santa Monica Mountains. 0 Comment
  UCR281955  Erodium botrys R. G. Swinney 2014-5-15 16544 Los Angeles San Gabriel Mountains, Azusa Peak, 0.06 mile south of Glendora Ridge Motorway, 1.34 miles due east of Hwy. 39, 0.15 mile east of Garcia Trailhead 630 Comment
  RSA488022  Erodium brachycarpum Mark Hoefs 1974-3-28 414 Los Angeles Santa Catalina Island, ridge above and north of Upper Bulrush Canyon. 335 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
  RSA0036303  Erodium cicutarium LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6973 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
  UCR123635  Erodium cicutarium Steven R. Hill, K. Kramer 2001-4-22 33350 Los Angeles Southwestern Mojave Desert, N side of San Gabriel Mtns. Antelope Valley, east of California Poppy Reserve, N and S sides of Avenue I (Lancaster Rd.), 1.5 mi west of Munz Ranch Road, 2.6 mi west of junction with 120th Street West, about 15 mi due NW of Palmdale 805 Comment
  UCR179683  Erodium cicutarium R. G. Swinney, Dave Larson 1996-8-7 5245 Los Angeles Eastern San Gabriel Mountains., San Dimas Experimental Forest, head of Dry Lake Canyon at 'Dry Lake,' site of CCC camp in 1930s = Browns Flat 1524 Comment
  UC1971455  Erodium cicutarium Louis C. Wheeler 1967-5-15 9571 Los Angeles SAN GABRIEL MOUNTAINS: Ridgetop east southeast of Fremont Pass. Comment
  UCSB10224  Erodium cicutarium Garrett, S. 1956-4-13 Los Angeles On sandy desert at foot of Mtns; l6 mi E. of Little Rock & 6 mi. from Llano Comment
  RSA390939  Erodium texanum Blanche Trask 1901-03 2436 Los Angeles Avalon, Santa Catalina Island. Comment
  CAS-BOT-BC41439  Eruca vesicaria subsp. sativa Louis C. Wheeler 1955-4-12 7124 Los Angeles Chavez Ravine, Los Angeles. Vacant lot at Coronel and Adobe Street. Comment
  UC10533  Erysimum capitatum J. Burtt Davy May 9 1896-May 24 1896 2468 Los Angeles near Manzana; Antelope Valley Comment
  UC455741  Erysimum capitatum I. J. Condit 1907-1-3 Los Angeles Mt. Lowe Pasadena Comment
  POM553  Erysimum capitatum var. capitatum L. R. Abrams 1901-04 1339 Los Angeles San Fernando Mts. 762 Comment
  CHSC95856  Erythranthe floribunda LeRoy Gross; M. Denslow, W. Hogshead, S. Swartzentruber 2003-6-17 1048 Los Angeles Transverse Ranges; Verdugo Mountains region: South side of mountains: Brand Canyon, above the large waterfall, where the canyon forks off. UTM Zone 11; 3784447N 0383368E. A smaller side canyon that branches off to the east of the main canyon. Side canyon narrows quickly to a bedrock waterfall. (or seep). 519 Comment
  CAS-BOT-BC151587  Erythranthe parishii Carl B. Wolf 1932-8-11 4011 Los Angeles Desert slope of San Gabriel Mts., Big Rock Creek, 1 1/4 mi. below Big Rock Ranger Station 914 Comment
  RSA0021281  Eschscholzia caespitosa Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5076 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  UCR190611  Eschscholzia caespitosa R. G. Swinney 2000-6-25 7795 Los Angeles San Gabriel Mtns., lower San Antonio Canyon, c. 70 m west of San Antonio Canyon Rd. and 80 m south of Shinn Rd. 793 Comment
  RSA713739  Eschscholzia californica A. C. Sanders, Helen Kennedy 2005-4-13 29423 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  CAS-BOT-BC403189  Eschscholzia californica Timothy S. Ross; Steve Boyd 1994-5-4 7652 Los Angeles Liebre Mountains. Grass Mountain: gradual, grassy slope of easterly exposure, ca 70 m ENE of the summit 1391 Comment
  RSA433660  Eschscholzia californica Elbert Benjamine 1929-3-15 74 Los Angeles San Clemente Island. Pasture land. Comment
  POM158272  Eschscholzia californica var. peninsularis M. B. Dunkle 1928-5-27 1983 Los Angeles Hamilton Canyon; San Clemente Island 15 Comment
  UCR280693  Eschscholzia minutiflora R. G. Swinney 2014-4-10 16040 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  SD85133  Eschscholzia ramosa M. B. Dunkle 1939-4-2 7213 Los Angeles San Clemente Island; Pyramid Point. Comment
  SD90477  Eschscholzia ramosa Robert F. Thorne 1973-4-12 42937 Los Angeles San Clemente Island; Pyramid Cove at south end of island near small point between Triton and Thresher. 6 Comment
  UC1870223  Eucalyptus camaldulensis LeRoy Gross 2003-1-26 689 Los Angeles Los Angeles Basin Region: San Fernando Valley: Haines Canyon Channel in Big Tujunga Wash, south front of the San Gabriel Mountains, east of Foothill Blvd. south side of wash 366 Comment
  SEINET12190720  Eucalyptus ficifolia J. F. Bright, Wyman, C. 1931-1 5320 Los Angeles Beverly Hills Comment
  SD181448  Eucalyptus globulus LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 408 Los Angeles Los Angeles Basin,Verdugo Mtns region, NW side,Verdugo Crestline Dr (fire rd) just N of 210 Fwy, enter on W side at Topely Lane off of Newholme Ave in city of Sunland; Sunland [quad]. Cleared area just N of fire rd cleared for safety (close to homes). 427 Comment
  CDA40310  Eucrypta chrysanthemifolia T. C. Fuller 1962-4-1 8169 Los Angeles Bank of San Dimas Canyon wash, 1.6 miles north of Foothill Boulevard, San Dimas. 0 Comment
  RSA0045262  Eucrypta chrysanthemifolia R. G. Swinney 2010-3-22 12007 Los Angeles West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  RSA167656  Eucrypta chrysanthemifolia Peter H. Raven, Robert F. Thorne 1964-5-7 19023 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  RSA545281  Eucrypta chrysanthemifolia D. Propst, Mark Hoefs 1973-3-3 8 Los Angeles Santa Catalina Island: Upper middle Ranch Canyon south. 305 Comment
  SFV15333  Eucrypta chrysanthemifolia var. chrysanthemifolia J. C. Dittes 1990-3-10 39 Los Angeles San Gabriel Mountains Big Tujunga Canyon, 200 yards upstream of Big Tujunga flood control reservoir. 732 Comment
  UCR259928  Eulobus californicus R. G. Swinney 2010-3-18 11974 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
  CDA19864  Euphorbia dendroides Hartman 2002-5-21 PDR 1253860 Los Angeles Southern California; Angeles NF, Big Santa Anita Cyn. 0 Comment
  RSA621299  Euphorbia dendroides L. C. Wheeler 1968-4-8 s.n. Los Angeles Pasadena: Foot of Kinneloa Mesa by New York Avenue. 0.2 miles southeast of East End of Eaton Wash Dam 292 Comment
  CDA4864  Euphorbia peplus Phillipson 1915-5-1 Los Angeles Monrovia. Comment
  UCR210413  Euphorbia peplus R. G. Swinney 2008-12-4 9952 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1.8 mi. north of Sierra Madre Ave., north of bike trail parking lot, along flowing aqueduct of water filtration plant 223 Comment
  SEINET4044572  Euphorbia polycarpa D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains, Long-grade Canyon. 213 Comment
  UCR179731  Euphorbia serpillifolia R. G. Swinney, Dave Larson 1996-7-17 5138 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  LA32068  Euthamia occidentalis Peter H. Raven; Henry J. Thompson 1959-9-6 14382 Los Angeles Santa Monica Mountains, Malibu Creek, near mouth 12 Comment
  UCR151025  Festuca arundinacea Scott D. White 1997-5-7 5060 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
  RSA415966  Festuca californica subsp. parishii Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  UCR205588  Festuca microstachys R. G. Swinney 2008-5-13 8867 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, Holcomb Canyon at junction with South Fork Trail 1390 Comment
  CATA1642  Festuca perennis Mark L. Hoefs, Steven A. Junak 1998-6-12 2925 Los Angeles Santa Catalina Island: At Isthmus, across from Catalina Harbor 6 Comment
  RSA0113953  Ficus microcarpa R. E. Riefner Jr. 2014-7-13 14 -243 Los Angeles City of San Pedro, W. side of South Harbor Blvd. at West Santa Cruz St. 6 Comment
  SJSU2257  Ficus religiosa C. W. Sharsmith 1942-9-9 4506 Los Angeles private estate opposite (E side) Beverly Hills Hotel, Beverly Hills Comment
  SEINET3246132  Filago californica R. W. Swinney 2008-1 8572 Los Angeles Sam Gabriel Mtns.: San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  RSA004508  Filago californica Fay A. MacFadden 1931-04 3181 Los Angeles Verdugo Mountains: La Tuna Canyon 335 Comment
  RSA616158  Filago gallica Valerie L. Soza 1998-5-3 88 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, along southern edge of pHake Lake. 411 Comment
  SBBG26943  Frangula californica subsp. californica I. W. Clokey, B. Templeton -Apr-1929 4442 Los Angeles Mandeville Cyn 200 Comment
  UCR161210  Frankenia salina T. B. Salvato, Melissa Clemons 2005-9-27 1237 Los Angeles West Mojave Desert, western edge of the Lancaster Sewage Disposal Ponds near the intersection of Hwy 14 and Avenue D, c. 4 miles SW of Rosamond (dry) Lake 704 Comment
  RSA615524  Fraxinus dipetala Louis C. Wheeler 1967-5-18 9620 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  UCR177748  Fraxinus dipetala LeRoy Gross, Naomi Fraga 2002-4-4 522 Los Angeles Los Angeles Basin: Verdugo Mountains Region, Southwest side; From saddle along main crest where the dirt roads of Verdugo Mountain Way & Chandler Fire Road meet, (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road, (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. This home was burned down a long time ago, and road abandoned. 400 Comment
  SD255800  Fraxinus latifolia Ian Cain, Natasha Bartely 2010-6-23 1535 Los Angeles Angeles National Forest, San Gabriel Mountains; Along Bear Creek east of Cogswell Dam. 562 Comment
  RSA69898  Fraxinus velutina var. coriacea F. W. Peirson 1921-6-20 2459 Los Angeles West fork of San Gabriel River 457 Comment
  RSA0035209  Freesia refracta Sandy Gray 1981-5-1 20 Los Angeles Pomona, 574 Mayfair between Park and White. Comment
  POM184718  Fremontodendron californicum Joseph A. Ewan 1932-3-29 7211 Los Angeles Arrastre Canyon. 1220 Comment
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Dec 17 2014
  UCR223716  Fremontodendron californicum R. G. Swinney 2009-6-17 11206 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  RSA188527  Fremontodendron californicum subsp. californicum Robert F. Thorne, J. Olmstead 1965-8-26 35401 Los Angeles San Gabriel Mtns, Angeles National Forest: Cabin Flat along Prairie Fork, 1585 Comment
  UCSB11538  Fritillaria biflora Haines, Bruce 1962-3-11 Los Angeles 5 miles North of the Pacific Ocean on California highway 27, Topanga 274 Comment
  SBBG127577  Funastrum cynanchoides var. hartwegii A. C. Sanders with T. B. Salvato 2009-5-20 36865 Los Angeles under SCE powerlines NE of Plaza Dr, SE of Montebello Blvd and SW of San Gabriel Blvd; Montebello Hills 96 Comment
  SFV2818  Funastrum cynanchoides var. hartwegii K. A. Wilson 1961-4-20 1146 Los Angeles San Gabriel Mountains Soledad Canyon. Sandy wash at base of Bee Canyon. 550 Comment
  SEINET10580692  Funastrum hartwegii Charles F. Baker 1903-8-5 Baker 3676 Los Angeles Claremont Comment
  CAS-BOT-BC304324  Galinsoga parviflora F. W. Peirson 1931-4-11 9375 Los Angeles 1077 New York Ave, Altadena Comment
  POM294255  Galinsoga parviflora var. parviflora Lyman Benson 1944-11-2 11554 Los Angeles Claremont. 366 Comment
  UCR269980  Galium andrewsii R. G. Swinney 2010-5-19 12803 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
  RSA0081635  Galium angustifolium R. G. Swinney 2010-9-9 13749 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
  UCR216911  Galium angustifolium R. G. Swinney 2009-3-17 10129 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, El Encanto Azusa River Wilderness Park, between Hwy 39 and the San Gabriel River 296 Comment
  LA208402  Galium angustifolium J. Ewan; 1931-8-3 Los Angeles San Gabriel Mountains, Dry grassyslope under pines S slope Strawberry Peak at Rim o' World Monument 1615 Comment
  RSA524967  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd 1990-6-6 2821 A Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  RSA229186  Galium angustifolium subsp. angustifolium Robert F. Thorne, C. W. Tilforth 1971-6-29 40711 Los Angeles San Gabriel Mountains, Angeles National Forest: Aliso Creek at Tie Canyon where crossed by Angeles Forest Road. 1372 Comment
  RSA229202  Galium angustifolium subsp. angustifolium Robert F. Thorne, C. W. Tilforth 1971-6-30 40841 Los Angeles SAN GABRIEL MTS., ANGELES NATIONAL FOREST: above Little Sycamore Campground along Little Rock creek. 1189 Comment
  RSA0089852  Galium angustifolium var. angustifolium Dean Wm. Taylor 2003-5-29 18605 Los Angeles San Gabriel Mountains, Cold Springs Canyon, along Angeles National Forest Road 1N29 (Silver Fish Road) 1.3 miles E of the junction, Road 1N36. 868 Comment
  RSA592813  Galium aparine Steve D. Boyd, Orlando Mistretta 1996-5-1 8754 Los Angeles Liebre Mountains, Sawmill Mountain, upper slopes and summit at head of Heryford Canyon, east of the junction of 7N23 and 7N08. 1524 Comment
  UCR271236  Galium aparine R. G. Swinney 2011-5-12 14715 Los Angeles San Gabriel Mountains, along Cabin Canyon Creek near the confluence with Aliso Canyon 1195 Comment
  RSA655800  Galium aparine James Henrickson 2000-4-15 20701 Los Angeles Ca. 1 mile SE of Newhall in Whitney Canyon SE of junction of San Fernando Road and State Highway 14. 457 Comment
  SBBG38665  Galium aparine R. Moran 1941-2-17 581 Los Angeles Middle Ranch, E side of arroyo 500 Comment
  RSA527761  Galium catalinense subsp. acrispum Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-4-8 4326 -C Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  RSA584851  Galium grande Tim S. Ross 1993-6-1 7354 Los Angeles Upper Winter Creek Trail between Chantry Flat and Hoegee Camp ( on Winter Creek), on the W side of Santa Anita Canyon. 817 Comment
  RSA653930  Galium grande Valerie L. Soza, Wayne Law, Laura Moore 2000-6-27 1030 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. 823 Comment
  POM18011  Galium hallii Philip A. Munz 1923-5-26 6861 Los Angeles Rock Creek 1768 Comment
  RSA495554  Galium hallii S. Zona, D. Arias, Oscar Dorado, M. Hanson, Jose Luis Villasenor 1989-6-21 353 Los Angeles Mountain High Ski Resort: W of Wrightwood, N slopes of San Gabriel Mts. 2017 Comment
  RSA532651  Galium johnstonii Tim S. Ross 1991-8-14 5770 Los Angeles Roundtop (Mountain), San Gabriel Mountains: Slopes NW of the summit. 1829 Comment
  UCR85806  Galium johnstonii T. S. Ross, Steve Boyd 1991-7-24 5672 Los Angeles San Gabriel Mtns, Granite Mountain, NNE slope 1900 Comment
  CATA517  Galium nuttallii subsp. insulare Sara L. Crockett 1997-4-22 664 Los Angeles Santa Catalina Island: First N/S-trending ridge leading to Pacific Ocean, E of jct. of Wrigley Memorial Trail and East End Road, ca. 75 m S of road 291 Comment
  SBBG95246  Galium nuttallii subsp. insulare M. B. Dunkle 1928-4-11 Los Angeles Johnson's Cyn Comment
  SD252376  Galium parisiense Steven A. Junak 2000-5-19 Sca 1322 Los Angeles Santa Catalina Island: Just W of road, near Opuntia patch. 316 Comment
  CLARK-A1528-5726  Galium parvifolium John C. Roos 1937-7-16 484 Los Angeles San Gabriel Mountains Comment
  JEPS52957  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1964-1-26 3977 Los Angeles Coldbrook Camp Ground San Gabriel Mts. (on State Hwy 39) 999 Comment
  UCR84487  Gamochaeta ustulata T. S. Ross, J. Takara 1993-4-23 6943 Los Angeles Channel Islands, Santa Catalina Island, Upper E side of Cottonwood Canyon Drainage, c. 1035 m WNW of Black Jack Mtn. Summit 436 Comment
  CAS-BOT-BC186352  Garrya flavescens Ralph Hoffmann 1929-9-10 s.n. Los Angeles Trail to Tahquitz Pk, San Jacinto Mts. 2133 Comment
  RSA391424  Garrya flavescens Albert J. Perkins 1924-3-30 s.n. Los Angeles Colby Trail near Strawberry Pk Fork Comment
  RSA573700  Garrya flavescens Tim S. Ross 1990-8-17 3156 Los Angeles Icy springs in upper Big Rock Creek 1752 Comment
  RSA392402  Garrya veatchii Anstruther Davidson 1893-6-12 1898 Los Angeles Switzer's Trail. Comment
  SFV12453  Garrya veatchii M. H. Grayum, D. L. Koutnik 1978-1-22 951 Los Angeles Santa Monica Mountains Near summit of Saddle Peak. 823 Comment
  UC213252  Garrya veatchii I. M. Johnston 1917-7-28 1578 Los Angeles San Antonio Canyon; San Antonio Mountains 1752 Comment
  UCR180187  Gastridium ventricosum R. G. Swinney 1969-6-7 539 Los Angeles San Gabriel Mtns., Glendora, 0.6 mi. north of Sierra Madre Ave. north of the end of Pennsylvania Ave. 351 Comment
  SEINET8718698 Image available Gastridium ventricosum F. R. Fosberg 1931-1 S 4677 Los Angeles Eagles Nest, Middle Ranch Canyon, Santa Catalina Island, Upper Sonoran Zone Comment
  RSA773998  Gayophytum R. G. Swinney 2009-7-22 11308 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 Comment
  RSA0077385  Gayophytum heterozygum Orlando Mistretta 1992-8-20 762 Los Angeles Transverse Ranges; San Gabriel Mts region: Mt. Gleason Management Unit. Mt. Gleason. Tujunga Ranger District. Comment
  RSA113815  Gayophytum heterozygum Harlan Lewis 1957-6-21 1103 Los Angeles San Gabriel Mts., Charleton Flats, Angeles Crest Highway. Comment
  POM355352  Gayophytum oligospermum Fordyce Grinnell Jr. 1910-6-4 s.n. Los Angeles San Gabriel Mountains Comment
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Feb 3 2011
  OBI69275  Genista linifolia John Knapp, Denise Knapp 2003-4-13 6 Los Angeles Catalina Island 37 Comment
  CATA68  Genista monspessulana Peter Henrikson 1987-4-13 52 Los Angeles Santa Catalina Island: Avalon Canyon 106 Comment
  CAS-BOT-BC303533  Geraea canescens T. G. Williamson 1935-1-15 s.n. Los Angeles Claremont Comment
  LA202746  Geranium Arthur C. Gibson; 2003-3-29 5021 Los Angeles Santa Monica Mountains, Santa Ynez Canyon, Pacific Palisades, along service road through canyon next to stream crossing 182 Comment
  RSA187915  Geranium carolinianum Robert F. Thorne 1966-6-1 36472 Los Angeles Santa Catalina Island: edge of undergrowth in Pebbly Beach Canyon near end of road 91 Comment
  UCR266280  Geranium carolinianum D. E. Bramlet 2005-4-11 3787 Los Angeles Puente Hills, Powder Canyon 229 Comment
  RSA621262  Geranium carolinianum Louis C. Wheeler 1968-4-13 s.n. Los Angeles San Gabriel Mountains: West Fork of Morgan Canyon near Fergusson Motorway. 434 Comment
  SD257287  Geranium pratense A. L. Haines 1951-4-21 Los Angeles C.W. Pirece Junior College, Canoga Park. 244 Comment
  RSA587751  Gilia T. S. Ross 1991-4-27 4624 -a Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (and hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line. 1183 Comment
  SD241130  Gilia R. G. Swinney 2009-4-28 10527 A Los Angeles Transverse Range; San Gabriel Mountains: summit of Mt. Emma (Pacifico Mtn,7.5'Q) 1597 Comment
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Sep 2 2017
  UCD168209  Gilia J. W. Barry May1980 s.n. Los Angeles Hungry Valley SVRA. (Exact location unknown. This park is mostly in Los Angeles county, but also includes parts of Ventura and Kern counties. Coordinates estimated by the label maker.) Comment
  RSA350825  Gilia Anstruther Davidson 1926-05 3617 Los Angeles Between Palmdale and Lancaster, Mohave Desert Comment
  UCR150841  Gilia aliquanta subsp. aliquanta R. G. Swinney 1998-4-14 5971 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
  RSA590418  Gilia angelensis T. S. Ross 1993-4-21 6850 Los Angeles Santa Catalina Island. SW part of the island in the vicinity of Cactus Peak (1560 ft); slope and small ridges N of Cactus Peak summit. 427 Comment
  SD45607  Gilia angelensis Darley F. Howe 1953-5-2 2275 Los Angeles Wain Canyon, Catalina Island. Comment
  RSA72289  Gilia angelensis F. W. Peirson 1919-4-5 4706 Los Angeles Allen Ranch, Altadena. 366 Comment
  SD38798  Gilia angelensis Edith A. Purer 1931-4-25 1808 Los Angeles Field near Old Mill, Pasadena. Comment
  UCR186945  Gilia latiflora A. C. Sanders 2006-4-10 31995 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
  RSA85272  Gilia latiflora subsp. davyi Hatch Graham 1950-4-22 s.n. Los Angeles Ridge Route. 1220 Comment
  RSA71840  Gilia latiflora subsp. latiflora F. W. Peirson 1921-5-19 2832 Los Angeles Little Rock Creek: north base of San Gabriel Mountains. 1037 Comment
  SBBG93233  Gilia latiflora subsp. latiflora J. Ingram, A. Ingram 1960-3-31 277 Los Angeles St Hwy 138, about 10 mi E of Pearblossom Comment
  CAS-BOT-BC225494  Gilia nevinii Frank W. Peirson 1923-4-9 3433 Los Angeles Wilson's Cove, San Clemente Is. Comment
  CAS-BOT-BC225496  Gilia nevinii L. R. Abrams; I. L. Wiggins 1931-7-6 372 Los Angeles Vicinity of Mosquito Harbor, San Clemente Is. Comment
  RSA469474  Gilia nevinii F. R. Fosberg 1931-4-24 S 4693 Los Angeles Hamilton Beach, Santa Catalina Island. 10 Comment
  UC23818  Gilia ochroleuca subsp. bizonata J. Burtt Davy May 9 1896-May 24 1896 2554 Los Angeles Manzana Antelope Valley, Manzana Comment
  RSA0017213  Gilia ochroleuca subsp. bizonata R. F. Thorne 1973-5-11 43514 Los Angeles North of Shoemaker Canyon between Mile High and Valyermo. 1341 Comment
  RSA0016174  Gilia ochroleuca subsp. ochroleuca R. G. Swinney 1998-5-16 6096 Los Angeles San Gabrial Mountains/Mojave Desert: near Pinon Hills, Mescal Highlands, Graham Canyon, 1.7 mi. N of Panorama Way at Graham Cyn. Motorway, 0.6 mi. S of Ft. Tejon Rd. 1220 Comment
  UCR227623  Gilia sinuata Orlando Mistretta, Christine Mistretta 2010-5-26 5211 Los Angeles San Gabriel Mountains, Upper Mill Creek Canyon drainage, south of Mill Creek Summit, along Southern California Edison transmission line corridor 1463 Comment
  UC1595786  Gilia tricolor subsp. diffusa W. Wisura, E. Roeder 1992-4-21 4703 Los Angeles Valyermo Rd 0.3 mi n of turnoff to St. Andrews (West Mojave); , n of St. Andrews Comment
  SEINET12317877  Glandularia pulchella W. F. Wight 1907-1 1636 Los Angeles East Lake Park, Los Angeles Comment
  RSA225965  Gnaphalium luteoalbum R. F. Thorne, C. W. Tilforth 1971-6-29 40660 Los Angeles 0.5 mi below Little Rock Dam 944 Comment
  SBBG63360  Gnaphalium palustre R. Hoffmann 1927-8-31 Los Angeles Palmdale Comment
  POM358905  Gnaphalium palustre B. C. Templeton 1934-10-13 4802 Los Angeles Los Angeles River Comment
  OBI28055  Greeneocharis circumscissa David J. Keil, Dirk Walters 1977-4-30 12290 Los Angeles On S side of Calif rte 138 in vicinity of jctn with Los Angeles Co Rd N-2 across hwy from Quail Reservoir Comment
  RSA586282  Guillenia lasiophylla Orlando Mistretta 1995-3-14 1533 Los Angeles Little Rock Creek Management Unit; Emma section of Little Rock Creek Management Unit. 1128 Comment
  RSA588066  Guillenia lasiophylla Orlando Mistretta 1994-4-15 1054 Los Angeles Santiago Canyon: W slopes of drainage near confluence with Little Rock Creek. 1159 Comment
  RSA67364  Guillenia lasiophylla F. W. Peirson 1923-4-12 3451 Los Angeles Wilson s Cove, San Clemente Island. Comment
  SBBG8305  Gutierrezia microcephala H. and M. Dearing 1937-10-15 2893 Los Angeles Mint Cyn near Palmdale Comment
  CAS-BOT-BC302135  Gutierrezia sarothrae Moxley 1914-6-20 s.n. Los Angeles Annandale, Los Angeles Comment
  SEINET11837961  Haplopappus linearifolius D. P. Reagan 1974-1 24 Los Angeles about 2 mi W of Gorman Comment
  RSA187721  Harpagonella palmeri R. F. Thorne 1966-4-7 35949 Los Angeles Santa Catalina Island: Cherry Valley 61 Comment
  LA32042  Hazardia squarrosa var. grindelioides Peter H. Raven; 1959-10-25 14705 Los Angeles Santa Monica Mountains, Arroyo Sequit, E fork, 1.6 mi W of Decker Rd on Mulholland Hwy 304 Comment
  RSA453748  Hedera helix Freda Detmers 1932-8-29 s.n. Los Angeles Los Angeles. Climbing on tree orchard. 884 Comment
  RSA479879  Helenium bigelovii Walter Wisura 1988-8-6 4246 Los Angeles switchbacks above Lupine Campgound Comment
  CAS-BOT-BC223979  Helianthemum scoparium Geo. B. Grant 1902-5-1 546 Los Angeles From Pasadena Comment
  LA105395  Helianthemum scoparium Barry A. Prigge; 8541 Los Angeles Santa Susana Mountains, between Falls Creek and Devil Canyon: ca. 1 air mi. NE of junction of Simi Valley Frwy and Topanga Canyon Blvd 502 Comment
  CAS-BOT-BC305421  Helianthus annuus Geo. B. Grant 1901-9-1 s.n. Los Angeles Pasadena Comment
  POM156529  Helianthus annuus subsp. lenticularis L. R. Abrams 1902-7-3 2640 Los Angeles Sierra Madre. Comment
  POM359979  Helianthus annuus subsp. lenticularis L. C. Wheeler 1931-8-24 25 Los Angeles Roadside at edge of orchard 1 1/2 miles NNW Claremont 396 Comment
  RSA0022375  Helianthus gracilentus Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5136 Los Angeles San Gabriel Mountains region: Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA0012950  Helianthus nuttallii subsp. parishii Louis Greata 1901-09 s.n. Los Angeles Oak Knoll Comment
  RSA442037  Heliomeris hispida Anstruther Davidson 1889-06 2030 Los Angeles Los Angeles. Comment
  UCR272920  Heliotropium curassavicum Steven A. Junak 2000-6-30 SCa- 1357 Los Angeles Channel Islands, Santa Catalina Island, upper end of Little Harbor, near camp area, campground 8 Comment
  RSA5978  Heliotropium curassavicum var. oculatum C. B. Wolf 1932-9-13 4051 Los Angeles Bryant Ranch, 250 ft. S of N boundary & 100 ft. E of drainage ditch in SE 1/4 sect. 27 about 560 ft. east and 250 ft. S of NW corner of SE 1/4 sect. 27. 5 Comment
  SD69692  Helminthotheca echioides Robert F. Thorne 1966-5-31 36450 Los Angeles Santa Catalina Island, grassy field along Isthmus, road back of Little Harbor 4 Comment
  RSA515095  Hemizonia clementina Aaron Liston, Orlando Mistretta, Riesenberg 1989-8-29 801 -6 Los Angeles San Clemente Island, main dune area At Darter Road, NW part of island Comment
  POM360257  Hemizonia fasciculata George R. Johnstone 1934-5-20 18974 Los Angeles Santa Catalina Is. Descanso Canyon. Comment
  RSA652507  Hemizonia ramosissima M. Wiseman 1992-5-15 14 Los Angeles [Pomona] California Polytechnic University, one and a quarter miles east of Buzzard Peak in the San Jose Hills. West of parking lot J in the mouth of 'G' canyon, roadside. Comment
  LA51805  Hesperocnide tenella Carl Epling; March 1925 6439 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  SEINET10460650  Heterocodon rariflorum Thorne 1971-6-30 THORNE 40828 A Los Angeles SAN GABRIEL MTS, LITTLE ROCK CR. 1.8 MI BELOW ALDER SADDLE 5100 Comment
  POM141327  Heteromeles arbutifolia C. F. Baker 1903-8-2 6517 Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  SEINET3156755  Heteromeles arbutifolia G. B. Grant 1901-1 567 Los Angeles From Santa Monica Range Comment
  UC1302356  Heteromeles arbutifolia Robert F. Thorne and P. C. Everett 1964-2-6 33300 Los Angeles Cherry Cove; Santa Catalina Island 60 Comment
  UC284967  Heteromeles arbutifolia P. A. Munz 1923-4-10 6759 Los Angeles e coast San Clemente Island (canyon s of Lemon Tank) Comment
  UCR212818  Heteromeles arbutifolia Ellen Mackey, Alexia Mackey 2006-6-29 NFWF- 1754 Los Angeles Peninsular Ranges; Chino-Puente Hills, San Gabriel River Watershed, Turnbull Canyon, Turnbull Canyon Road 314 Comment
  RSA0072414  Heteromeles arbutifolia Tim S. Ross 1991-2-23 4081 Los Angeles Whittier Hills (Puente Hills): Upper Turnbull Canyon on slope dropping WNW from Turnbull Canyon Road x Skyline Drive. 293 Comment
  UCR233753  Heterotheca grandiflora Jeremiah George 2012-3-12 s.n. Los Angeles South Coast, Hermosa Beach, vacant lot south of 1125 Manhattan Avenue 11 Comment
  RSA0075804  Heterotheca grandiflora Richard Arnold 1984-8-10 1018 Los Angeles LAX dunes, Playa del Rey (El Segundo Blue survey) Area V2. Comment
  SD69787  Heterotheca grandiflora Robert F. Thorne 1966-4-5 35801 Los Angeles Santa Catalina Island, along paved road on north slope of Black jack Mountain 1349 Comment
  IRVC28664  Heterotheca sessiliflora A. C. Sanders, Mark Elvin, Julie M. Vanderwier, Kim Marsden 2002-6-18 25102 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
  RSA0066367  Heuchera abramsii I. M. Johnston 1917-8-22 1690 Los Angeles San Antonio Mountains. North slope of Baldy. 2744 Comment
  UCR129355  Heuchera elegans F. W. Peirson 1924-5-27 4639 Los Angeles San Gabriel Mtns., north slope, Strawberry Peak 1753 Comment
  RSA0063105  Heuchera elegans L. E. Hoffman 1933-7-10 s.n. Los Angeles Coldwater Canyon (near Colby's Ranch). Sierra Madre Mountains. Comment
  RSA0063269  Heuchera elegans F. W. Peirson 1921-6-17 2669 Los Angeles Divide between Little Rock Creek and Bear Creek, north side of San Gabriel Mountains. 1921 Comment
  RSA782216  Hirschfeldia incana R. G. Swinney 2009-8-25 11498 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  UCD115132  Hirschfeldia incana P. B. Kennedy 1918-8-1 A Los Angeles Around High School. Comment
  CAS-BOT-BC207473  Hoffmannseggia glauca Sidney R. Snow 1956-7-2 s.n. Los Angeles Ballona Creek, Los Amgeles Comment
  RSA656931  Holodiscus discolor Valerie L. Soza, Wayne Law, Laura Moore 2000-7-7 1055 Los Angeles San Gabriel Mountains: East of White Saddle, above Cold Springs Canyon. 1.54 miles east of junction of Van Tassel Truck Trail (FS Road 1N36) and Silver Fish Road (FS Road 1N29), along Silver Fish Road (FS Road 1N29). 854 Comment
  CAS-BOT-BC149948  Holodiscus discolor var. discolor I. M. Johnston 1917-7-28 1570 Los Angeles N. Fk. San Antonio [Canon] Canyon (Old Gold Ridge Mine) 2438 Comment
  RSA449807  Holodiscus microphyllus F. R. Fosberg, Joseph A. Ewan 1931-8-12 S- 5463 Los Angeles Summit Mt. Islip, San Gabriel Mountains. 2500 Comment
  SD186036  Hordeum brachyantherum A. C. Sanders 2003-4-16 26030 Los Angeles Newhall Ranch, south of Magic Mountain Parkway, near I-5 and golf course. 366 Comment
  POM147540  Hordeum intercedens Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  POM591975  Hordeum intercedens Mark Hoefs, Doug Propst 1974-5-10 459 Los Angeles Catalina Island. Ridge between Cottonwood and Sweet Water Canyons 61 Comment
  RSA782109  Hordeum marinum A. C. Sanders, Dan S. Cooper 2010-4-30 38156 Los Angeles Madrona Marsh, Torrance 24 Comment
  UCD85887  Hordeum marinum subsp. gussoneanum Peter H. Raven; Robert F. Thorne 1964-5-7 19031 Los Angeles Santa Monica Mountains. Saddle Rock Ranch, near Seminole Hot Springs. Comment
  SBBG13303  Hordeum murinum M. A. Piehl 1962-6-9 62350 Los Angeles China Cyn (near head), ca. 2 mi from China Pt 213 Comment
  UCSB6768  Hordeum murinum subsp. leporinum Ilch, D.; Gleason, C. 1933-5-29 Los Angeles San Dimas SRE plot 304; block 8F Comment
  POM366515  Horkelia cuneata subsp. puberula Geo. L. Moxley 1915-7-5 355 Los Angeles Ridge between Arroyo Seco and Millard's Canyons. Comment
  RSA746828  Horkelia cuneata subsp. puberula Justin M. Wood 2009-3-13 360 Los Angeles City of Claremont: SW corner of Claremont Blvd and Foothill Blvd. Open space area on the campus of Pitzer College. 398 Comment
  RSA530055  Horkelia rydbergii Tim S. Ross 1991-8-16 5838 Los Angeles San Gabriel Mountains, Horse Flats. 1720 Comment
  CAS-BOT-BC213014  Hosackia crassifolia Le Roy Abrams; E. A. McGregor 1908-7-3 587 Los Angeles North Baldy Mountain, San Gabriel Mountains 1828 Comment
  CAS-BOT-BC213016  Hosackia crassifolia I. M. Johnston 1917-7-1 1751 Los Angeles near Browns Flats 1371 Comment
  RSA585332  Hymenoclea salsola Timothy S. Ross 1991-4-27 4715 Los Angeles Black Butte: rocky easterly and northeasterly slopes. 960 Comment
  RSA429836  Hymenolobus procumbens Anstruther Davidson 1911-3-9 s.n. Los Angeles Redondo Comment
  RSA601575  Hypochaeris glabra L. C. Wheeler 1967-6-16 9841 Los Angeles San Gabriel Mountains : Sunset Ridge by Millard Canyon; north side Coulter Reservoir. 655 Comment
  SFV20995  Hypochaeris glabra L. Gross 2003-5-4 821 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Along east side of Brand Canyon a short distance above the large waterfall near above coordinates. Near level area above river bottom. 393 Comment
  UCR273192  Hypochaeris glabra R. G. Swinney 2011-4-26 14474 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  UCD124916  Hyptis emoryi J. N. Hogue; J. Dilley 23-24 Apr 1998 108 .6 Los Angeles chuckwalla Mountains, Corn Springs Wash at Corn Spring. 1600 Comment
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Nov 12 2013
  CAS-BOT-BC311530  Isocoma acradenia var. acradenia Eugene Wells 1909-11-25 2 Los Angeles Lancaster - Mohave Desert Comment
  SFV12531  Isocoma menziesii var. menziesii J. W. Dole 1980-9-5 Los Angeles Santa Susana Mountains Santa Susana Mountains. Comment
  LA200221  Isocoma menziesii var. sedoides A. M. Johnson; 1931-11-22 sn Los Angeles Santa Monica Mountains, Pacific Palisades, Santa Monica, Pacific Palisades 45 Comment
  POM359499  Isocoma menziesii var. vernonioides E. S. Spalding 1923-2-7 s.n. Los Angeles Eagle Rock. Comment
  UC124586  Isomeris arborea H. M. Hall 1908-6-16 8282 Los Angeles near sea Avalon; Santa Catalina Island Comment
  UCD51392  Jarava speciosa A. A. Beetle 1942-4-24 3215 Los Angeles Rt. 6, 6 miles south of Palmdale. Comment
  SD107894  Jaumea carnosa Robert F. Thorne 1974-9-13 45090 Los Angeles Santa Catalina Island; Shore inside Ballast Point, Catalina Harbor. 2 Comment
  POM361342  Jaumea carnosa F. R. Fosberg 1930-6-26 3047 Los Angeles Lower Ballona Creek 8 Comment
  RSA401007  Juglans californica Fay A. MacFadden 1931-3-15 s.n. Los Angeles La Tuna Canyon, Verdugo Hills. Comment
  RSA736198  Juglans californica L. M. Prince, Lucinda McDade, Norm Ellstrand, David Biggs, Pace Lubinsky, Andreas Kaus 2008-8-18 509 Los Angeles Cal Poly. Pomona campus. N of Parking Lot J. South facing slope 280 Comment
  RSA754229  Juglans californica var. californica Ellen Mackey, Blake Whittiington 2006-10-4 NFWF- 1775 Los Angeles San Gabriel River Watershed; Sycamore canyon 384 Comment
  RSA0098634  Juncus balticus R. G. Swinney 2008-10-10 9581 Los Angeles San Gabriel Mtns.: Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  RSA0116575  Juncus balticus R. G. Swinney 2010-6-8 13231 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 100-300 m south of Placerita Cyn. in Los Pinetos Cyn. 573 Comment
  SBBG77282  Juncus balticus F. R. Fosberg 1931-4-15 4619 Los Angeles Middle Ranch Cyn 180 Comment
  RSA709412  Juncus bufonius var. occidentalis A. C. Sanders 2005-5-5 29897 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool. 655 Comment
  SBBG125526  Juncus macrophyllus A. Parikh, N. Gale 2010-6-15 3291 Los Angeles upper Big Tujunga Cyn, 0.3 km ENE of Shortcut Station, 0.7 km N of St Hwy 2, San Gabriel Mtns 1295 Comment
  UCR177220  Juncus macrophyllus LeRoy Gross, Michael Denslow, B. Hogshead, Sarah Swartzentruber 2003-6-17 1072 Los Angeles Verdugo Mountains, North side of the mountains, south of Hostetter Motorway just off La Tuna Canyon Road, south of the 210 Fwy 564 Comment
  UCR227757  Juncus patens R. F. Thorne 1966-4-17 36132 A Los Angeles Channel Islands, San Clemente Island, Box Canyon, northwest of Horse Canyon, southwest of Thirst 244 Comment
  RSA771325  Juncus patens Robert F. Thorne 1966-4-17 36132 -a Los Angeles San Clemente Island, upper reaches of Box Canyon, NW of Horse Canyon, SW of Thirst. 244 Comment
  POM123048  Juncus textilis H. E. Hasse 1890-09 s.n. Los Angeles Sierra Santa Monica. [Santa Monica Mountains]. Comment
  POM184646  Juncus xiphioides L. C. Wheeler 1932-8-2 1121 Los Angeles N Fork San Gabriel River, San Gabriel Mts. 1372 Comment
  SBBG19250  Juncus xiphioides M. A. Piehl 1959-7-28 59467 Los Angeles Frenchman Flats Cmpgrd ca. 12 mi N of Castaic along W side of US 99 Comment
  CAS-BOT-BC80901  Juniperus H. E. McMinn 1926-7-22 1793 Los Angeles Trail to San Antonio Peak from Camp Baldy, Bear Flat Trail Comment
  CAS-BOT-BC80991  Juniperus californica Elmer I. Applegate 1931-11-2 6830 Los Angeles Mint Canyon, on road to Mojave Comment
  CAS-BOT-BC81001  Juniperus californica L. R. Abrams 1941-4-18 13871 Los Angeles State Highway 138, western end of Antelope Valley Comment
  CHSC35462  Juniperus californica James Henrickson 1973-5-12 9594 Los Angeles 9 miles SW of Little Rock, 0.2 miles S of Mt. Emma Rd., along Hwy N3. 1188 Comment
  RSA601654  Juniperus californica L. C. Wheeler 1960-4-29 7683 Los Angeles San Gabriel Mountains. 1/2 mi. northeast of Kentucky Springs, east of Acton. Comment
  RSA610725  Juniperus californica L. C. Wheeler 1932-9-9 1358 Los Angeles San Antonio Wash 1/4 mi. N Foothil Blvd. 381 Comment
  RSA613727  Juniperus californica L. C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mountains: North of Mill Canyon off Soledad Canyon near Ravenna. 716 Comment
  UCR275030  Juniperus californica Michael Honer, Mary Ann Hasskamp 2006-4-19 2207 Los Angeles Tehachapi Mountains area, Slopes above Oso Canyon: 1 mile north of Quail Lake; c. 1 mile east of cement plant road 1067 Comment
  LA51896  Keckiella cordifolia N. M. Gauss; 1961-5-14 23 Los Angeles 344 Comment
  OBI35686  Keckiella cordifolia Rebecca Cicoria 1982-4-25 53 Los Angeles Palos Verdes Peninsula: Lower Agua Magna Cyn, Rollig Hills Comment
  SD69871  Keckiella cordifolia Robert F. Thorne, D. Propst 1968-5-27 37632 Los Angeles Santa Catalina Island, along small stream in Middle Ranch Canyon Comment
  UC1215231  Keckiella cordifolia Peter H. Raven 1962-7-11 18003 Los Angeles San Clemente Island; Twin Canyon 320 Comment
  CDA41416  Keckiella cordifolia P. B. Kennedy May 1917 s.n. Los Angeles Hollywood Banks, near Los Angeles. 0 Comment
  UCR272600  Keckiella ternata subsp. ternata R. G. Swinney 2011-7-7 15427 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  UCR280073  Kochia californica Onkar Singh 2016-4-2 5691 Los Angeles Mojave Desert, Antelope Valley, 11 km NW of Lancaster, 200 m south of West Avenue F and 400 m west of 60th Street West 708 Comment
  RSA612157  Koeleria macrantha L. C. Wheeler 1932-7-2 913 Los Angeles Brown's Flat 1311 Comment
  SFV1093  Krascheninnikovia lanata K. A. Wilson 1962-5-12 1273 Los Angeles Mojave Desert Antelope Valley. Valyermo Road, 2 miles southeast of 131st St. East in Pearblossom. 1070 Comment
  LA32080  Lactuca serriola Peter H. Raven; Henry J. Thompson 1959-9-18 sn Los Angeles West Los Angeles, along railroad tracks, Santa Monica Boulevard near Beverly Glen Boulevard 76 Comment
  UCR258495  Lactuca serriola R. G. Swinney 2010-6-23 13316 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin 341 Comment
  LA32081  Lactuca serriola Peter H. Raven; Henry J. Thompson 1959-9-6 14393 Los Angeles Santa Monica Mountains, Malibu Creek, near mouth 12 Comment
  RSA533896  Lactuca serriola Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5144 Los Angeles San Clemente Island, at the beginning of Larkspur Canyon drainage. 1600 ft. SE of the 924' BM at the E end of old airfield landing strip. 250 Comment
  CAS-BOT-BC273834  Lamarckia aurea LeRoy Abrams 1903-4-9 3244 Los Angeles Inglewood Comment
  CAS-BOT-BC273836  Lamarckia aurea Carl B. Wolf 1932-5-11 3555 Los Angeles Santa Catalina Island. Fourth O' July Cove. Above the road 30 Comment
  SBBG133656  Lamarckia aurea R. F. Thorne 28-Aop-1968 37489 Los Angeles between headwaters of Middle and Graveyard Cyns 91 Comment
  SFV14775  Lamium amplexicaule J. C. Dittes 1990-2-18 28 Los Angeles San Fernando Valley Los Angeles, North Hollywood. 240 Comment
  SFV9163  Lamium amplexicaule J. Turner, F. M. Ball 1963-4-3 s. n. Los Angeles San Gabriel Valley La Verne. Yard of long-destroyed house near Puddingstone Reservoir. 305 Comment
  UC571110  Larrea tridentata Herbert L. Mason 1926-4-26 3007 Los Angeles Little Rock Creek; Mojave Desert Comment
  SFV3754  Lasthenia californica K. A. Wilson 1961-4-10 1143 Los Angeles Santa Susana Mountains Southern arm of Bee Canyon-Mission Point (or Peak) area. 762 Comment
  RSA264062  Lasthenia californica Noel Holmgren 1974-4-5 7626 Los Angeles N foothills of the San Gabriel Mtns, Portal Riudge, 13 airline miles W of Lancaster. 1067 Comment
  UC30405  Lasthenia coronaria Harley P. Chandler 1898-3-10 Los Angeles Claremont Comment
  CAS-BOT-BC385375  Lasthenia coronaria A. J. McClatchie 1897-3-25 s.n. Los Angeles Near Redondo Comment
  RSA92987  Lasthenia coronaria F. W. Peirson 1921-3-3 330 Los Angeles Arroyo Seco, near Pasadena 350 Comment
  CAS-BOT-BC329156  Lasthenia glabrata subsp. coulteri H. E. Hasse 1892-5-15 25 Los Angeles Near Los Angeles Comment
  UC1215244  Lasthenia gracilis Peter H. Raven 1962-4-11 17283 Los Angeles due w Wall 2; San Clemente Island 9 Comment
  LA201174  Lathyrus odoratus Arthur C. Gibson; 2003-4-28 4708 Los Angeles 396 Comment
  SEINET4044579  Lathyrus vestitus D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains, Peperdine University. 182 Comment
  RSA3532  Lathyrus vestitus subsp. alefeldii C. B. Wolf 1932-5-9 3475 Los Angeles Santa Catalina Island. Along the trail in the left (east) fork of Pebbly Beach Canyon, 1/2 mile above the Mexican houses. 61 Comment
  SEINET13203225 Image available Lathyrus vestitus subsp. vestitus R. G. Swinney 2011-1 14157 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail (Glendora 7.5' Q.) (T1N R9W S28) 366 Comment
  RSA91307  Lathyrus vestitus subsp. vestitus F. W. Peirson 1918-5-5 s.n. Los Angeles santa Susana Grade, San Fernando Valley Comment
  POM305934  Lathyrus vestitus var. vestitus Henry J. Ramsey 1938-5-1 1214 Los Angeles Altadena, Eaton Canyon Park Comment
  OBI56578  Layia glandulosa Steve Boyd, Lauren Raz 1997-3-25 9269 Los Angeles Liebre mts region: Knapp ranch area at upper end of Cataic Crk drainage inbroad alluvial valley; at head of Cienaga cyn, S of Liebre mtn flats and slopes just NE of ranch compound. T7N R17W NE 1/4 NE 1/4 sec 22 1061 Comment
  RSA702959  Layia glandulosa Scott D. White, Michael Honer 2004-3-30 9971 Los Angeles Eastern edge of the City of Palmdale, ca. 1 mile west-northwest of 'Four Points' 838 Comment
  UCR46129  Layia glandulosa 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
  SEINET10813325  Layia glandulosa Noel H. Holmgren, Patricia K. Holmgren 1974-4-6 Holmgren 7638 Los Angeles Antelope Valley, 3 airline miles northeast of Threepoint. 914 Comment
  JEPS40058  Layia platyglossa S. B. and W. F. Parish 1887-6-1 1924 Los Angeles Elizabeth Lake Comment
  CAS-BOT-BC377810  Layia platyglossa Geo. B. Grant 1904-5-14 s.n. Los Angeles Playa del Ray Comment
  UC54048  Layia platyglossa L. A. Greata 1903-5-1 374 Los Angeles north of Pasadena Comment
  RSA592604  Layia platyglossa subsp. campestris Mark Hoefs 1973-3-17 129 Los Angeles Santa Catalina Island: open field by KBIG on Airport Road 579 Comment
  CAS-BOT-BC221609  Lepechinia fragrans F. Grinnell Jr. 1910-6-11 s.n. Los Angeles Switzers Trail, San Gabriel Mts. 1066 Comment
  RSA545274  Lepechinia fragrans D. Propst, Mark Hoefs 1973-3-3 25 Los Angeles Santa Catalina Island: East Side of Mt. Black Jack 366 Comment
  UCR94704  Lepidium dictyotum A. C. Sanders, E. J. Lott 1993-5-6 13941 Los Angeles Western Mojave Desert, 12 miles north of Palmdale, Sierra Hwy at Ave 'G', to 0.1 mi. NW of intersection 706 Comment
  POM240  Lepidium fremontii var. fremontii H. M. Hall 1902-5-1 3037 Los Angeles Vicinity of Rock Creek. 1067 Comment
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Jun 17 2009
  SBBG131499  Lepidium lasiocarpum S. A. Junak, B. Collins 1991-4-24 SCI 182 Los Angeles W side of W Shore Rd 36 Comment
  UCR205721  Lepidium latifolium A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36926 Los Angeles San Gabriel Valley, San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gab. Riv. greenway, along the Edison powerlines 71 Comment
  RSA347517  Lepidium nitidum B. A. Prigge 1986-3-19 6928 Los Angeles Santa Monica Mountains: 0.3 miles west of Mulholland Hwy on Pacific Coast Hwy. 30 Comment
  RSA526546  Lepidium nitidum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4233 a Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  UCR126254  Lepidium nitidum A. C. Sanders 2003-3-14 25769 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 171 Comment
  CATA858  Lepidium oblongum Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1667 Los Angeles Santa Catalina Island: Little Harbor 4 Comment
  POM346620  Lepidium virginicum var. pubescens Barry Burnell 1969-5-22 138 Los Angeles San Antonio Canyon just below the narrows below Camp Baldy. San Antonio Creek Drainage Area. 1067 Comment
  POM90627  Lepidospartum latisquamum P. A. Munz 1923-9-1 7700 Los Angeles Saw Mill, Swartout Valley 2026 Comment
  UC1069785 Image available Lepidospartum squamatum G. E. Sindel 1935-1-21 123 Los Angeles 1 mi e of Manzana; Tejon Quadrangle Comment
  POM307726  Lepidospartum squamatum var. squamatum Henry J. Ramsey, Henry J. Ramsey 1940-9-12 2596 Los Angeles San Gabriel Wash, between Monrovia and Irwindale Comment
  RSA648260  Leptodactylon californicum Jami Liberi 1983-5-19 34 Los Angeles Located in Claremont, across the [street] from the San Antonio Dam. 640 Comment
  UCR189964  Leptodactylon pungens R. G. Swinney 1998-8-27 6827 Los Angeles San Gabriel Mtns., West Baldy Peak 3040 Comment
  POM6804  Leptosiphon androsaceus P. A. Munz, L. T. Street, G. Williams 1919-4-5 2421 Los Angeles Puddingstone Canyon. San Dimas. 259 Comment
  CATA896  Leptosiphon bicolor Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-31 1712 Los Angeles Santa Catalina Island: Side canyon of Middle Canyon, across the road from large oak tree 237 Comment
  CHSC3694  Leptosiphon breviculus Mary MacArthur 1966-6-4 40 Los Angeles Chilao. Stream bed. 1524 Comment
  CATA1909  Leptosyne gigantea Amy Catalano 2014-1-21 006 Los Angeles Santa Catalina Island: Along Airport Road, within ""tacos"", on cliff 395 Comment
  OBI69280  Leptosyne gigantea John Knapp, Denise Knapp 2003-4-13 1 Los Angeles Catalina Island, 3690107.913N x 377428.961E 9 Comment
  UC72137  Lessingia glandulifera var. glandulifera Miss E. D. Palmer Los Angeles Los Angeles Comment
  RSA291706  Lewisia rediviva Wayne E. Sawyer 1981-6-16 s.n. Los Angeles Crest Trail between Little Jimmy Spring and Lily Spring, ca. 1 mile E of Little Jimmy Spring, San Gabriel Mountains, Angeles National Forest. Comment
  CAS-BOT-BC283740  Leymus condensatus Barbara Shervanick 1974-5-23 1445 Los Angeles N Fork of Lodi Canyon, San Gabriel Mountain Range, Pacific Drainage Area 792 Comment
  RSA483173  Leymus condensatus Robert L. Dressler 1948-7-28 65 Los Angeles Baldwin Hills, rolling hills with grass cover. Comment
  RSA600006  Leymus condensatus Steve Boyd, Lauren Raz 1997-5-28 9847 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  SBBG33432  Leymus triticoides A. D. E. Elmer -Jun-1902 3652 Los Angeles Acton Comment
  RSA640144  Lilium parryi Louis C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: Burkhart Trail, 0.4 miles (airline) south southeast of Burkhart Saddle. 2012 Comment
  RSA729406  Lilium parryi Richard G. Swinney 1998-10-3 7005 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
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Nov 7 2015
  UCR259465  Limosella acaulis R. G. Swinney 2010-9-7 13704 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  UCR177529  Linanthus aureus subsp. aureus LeRoy Gross 2005-4-28 2113 Los Angeles San Gabriel Mountains, Ridgeline to Mt. Emma and canyon south of this ridge. W from Mt. Emma (NW trending ridge, lower part of ridgeline starts to turn SW) east of Mt. Emma Rd 1413 Comment
  UCR124579  Linanthus breviculus B. C. Templeton 1932-6-17 4907 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2195 Comment
  CHSC14152  Linanthus californicus L. M. Mayer; I. J. Mayer 1974-4-6 144 Los Angeles 1/2 mi e of Tapia Park on w side of Las Virgenes/Malibu Canyon Road. Comment
  RSA11020  Linanthus californicus C. B. Wolf 1928-4-1 1608 Los Angeles Santa Susanna Pass. 1/2 mi. from summit. Comment
  RSA122987  Linanthus californicus A. D. Gifford 1935-1-7 411 Los Angeles 6 1/2 miles southwest of Whitaker Peak. 518 Comment
  RSA293451  Linanthus californicus S. Carlquist 1981-6-6 15651 Los Angeles Glendora Mountain Road. Comment
  UCR147535  Linanthus concinnus Naomi Fraga, Et al. 2004-5-20 1196 Los Angeles Transverse Ranges; San Gabriel Mountains region, North Fork of Lytle Creek, on slopes along north side of the canyon, northeast of Paiute Campground. 1951 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
  RSA716640  Linanthus dichotomus Andrea Edwards, Pam De Vries 2005-3-29 55 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
  RSA252948  Linanthus parryae R. F. Thorne, Gary D. Wallace 1973-4-24 43414 Los Angeles Junction of Pallett Creek and Longview Roads: ca. 4 mi S of Pearblossom. 1174 Comment
  UCR213418  Linaria canadensis var. texana A. C. Sanders, Dan S. Cooper 2010-3-12 37325 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA545252  Linaria canadensis var. texana D. Propst, M. Hoefs 1973-3-3 47 Los Angeles Santa Catalina Island: Cottonwood Canyon. 183 Comment
  UCR189411  Lithophragma R. G. Swinney 1998-5-30 6155 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  JEPS23595  Lithophragma affine Peter Kamb 1947-5-25 537 Los Angeles near Sunset Ridge guard station (Millard's Canyon); San Gabriel Mts. 670 Comment
  LA33627  Lithophragma affine Henry J. Thompson; 1959-4-19 1943 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  RSA172262  Lithophragma affine R. F. Thorne, James Henrickson 1963-5-5 32296 Los Angeles Cobal Canyon, Foothills of San Gabriel Mts., 4 miles N of Claremont. 518 Comment
  RSA646990  Lithophragma affine LeRoy Gross, Michael Honer, Leland Lubinsky 2000-4-27 199 Los Angeles San Rafael Hills: South of Descanso Garden and north of the main ridge. 487 Comment
  CAS-BOT-BC426267  Lithophragma affine Dr. H. E. Hasse 1888-4-1 s.n. Los Angeles Los Angeles County Comment
  SD108979  Lithophragma heterophyllum James Henrickson 1973-5-12 9579 Los Angeles in granitic slopes of San Gabriel Mts. ca 6 (air) miles NE of La Canada, 3.1 (rd)miles N of N3, off Angeles Crest Hwy, in canyon along road 1036 Comment
  UCR189413  Lobelia dunnii R. G. Swinney 1998-5-30 6167 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  POM4569  Lobelia dunnii var. serrata C. F. Baker 1903-9-20 3699 Los Angeles San Antonio Canyon near Claremont. Comment
  POM209900  Lobelia dunnii var. serrata Victor Duran 1933-8-12 3548 Los Angeles South Fork, Big Rock Creek, San Gabriel Mountains 1524 Comment
  RSA584346  Loeflingia squarrosa subsp. squarrosa Timothy S. Ross 1994-5-1 7596 Los Angeles Southwestern Mojave Desert: Open desert ca. 1870 m SW of Three Sisters buttes, along Black Butte Basin Road. 961 Comment
  RSA763536  Loeseliastrum matthewsii Justin M. Wood 2010-5-10 1648 Los Angeles Vicinity of Littlerock Creek; just southwest of intersection of Cheseboro Rd. and Mt. Emma Rd. 973 Comment
  SBBG116376  Loeseliastrum schottii R. Burgess, P. Munro 2002-5-6 5140 Los Angeles Hungry Valley Rd, 0.5 mi W of Smokey Bear Rd 914 Comment
  CAS-BOT-BC342110  Logfia arizonica Peter H. Raven; Henry J. Thompson 1959-5-5 14152 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). 4.1 miles north-west of Tapia Park on road to Malibu Lake 182 Comment
  CAS-BOT-BC342196  Logfia filaginoides Alice Eastwood 1906-5-27 241 Los Angeles Country adjacent to Los Angeles. Roscoe Comment
  CAS-BOT-BC342194  Logfia filaginoides John Thomas Howell 1928-5-4 3776 Los Angeles Between dam and Deer Park in Monrovia Canon [Canyon], San Gabriel Mts. Comment
  RSA639568  Lolium perenne subsp. multiflorum L. C. Wheeler 1967-5-23 9677 Los Angeles San Gabriel Mountains: Ravine immediately southwest of mouth of Bear Canyon, off Soledad Canyon. 640 Comment
  SD254520  Lomatium lucidum R. G. Swinney 2011-5-10 14646 Los Angeles San Gabriel Mountains: c. 0.4 mile NE of Manzanita Mt. along connection trail between Hillside Trail and Manzanita Mt. trail, inside Placerita Canyon Natural Area (Mint Canyon 7.5'Q) 500 Comment
  RSA772292  Lomatium mohavense R. G. Swinney 2009-4-28 10525 Los Angeles summit of Mt. Emma 1585 Comment
  UCR150843  Lomatium mohavense R. G. Swinney 1998-4-14 5975 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
  RSA97432  Lomatium mohavense subsp. mohavense F. W. Peirson 1926-4-26 6655 -a Los Angeles about 1 mile east of Palmdale Comment
  SBBG28219  Lomatium utriculatum F. W. Peirson 1921-2-26 2358 Los Angeles Topanga Cyn 304 Comment
  SBBG110500  Lonicera hispidula S. A. Junak 1996-7-24 SCl 652 Los Angeles Box Cyn, ca. 1.2 mi inland from beach 243 Comment
  SD112048  Lonicera hispidula var. vacillans Betsy Carpenter, Linda Allen 1975-3-21 Los Angeles Sant Catalina Island; Middle Ranch road. Comment
  SD60428  Lonicera hispidula var. vacillans Peter H. Raven 1962-5-20 17773 Los Angeles Santa Catalina; Avalon Canyon ca. 1.0 mile south of Avalon. Comment
  RSA455163  Lonicera interrupta Martha Hilend 1928-5-27 327 Los Angeles 8 miles west of Elizabeth Lake. Comment
  CAS-BOT-BC234861  Lonicera subspicata var. denudata W. R. Dudley 1900-7-9 s.n. Los Angeles Mount Lowe, San Gabriel Mts. Comment
  POM68126  Lonicera subspicata var. denudata Marcus E. Jones 1902-6-20 s.n. Los Angeles Mountains near Pasadena. Comment
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Mar 6 2011
  RSA455357  Lonicera subspicata var. denudata B. C. Templeton 1930-5-27 8943 Los Angeles Near Mulholland Drive. North of Hollywood. Comment
  RSA719729  Lonicera subspicata var. denudata R. G. Swinney 1996-8-7 5210 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half of Brown's Flat 1317 Comment
  UC1125302  Lonicera subspicata var. denudata A. D. Gifford 1934-4-24 154 Los Angeles 1 1/2 mi nw Castro Pk.; Triunfo Pass Quadrangle Comment
  UC729811  Lotus argophyllus var. argenteus Carl B. Wolf 1932-5-10 Los Angeles back of Avalon (summit of the Equestrian Trail); Santa Catalina Island 304 Comment
  UC866487  Lotus argophyllus var. argenteus Ezra C. Knopf 378 Los Angeles Santa Catalina Island Comment
  JEPS55448  Lotus grandiflorus var. grandiflorus A. M. Ottley 1920-5-14 683 Los Angeles trail to La<?>ken's Pk. San Gabriel Mts. Comment
  RSA582452  Lotus hamatus L. C. Wheeler 1934-3-24 2476 Los Angeles Liveoak Canyon, San Gabriel Mountains. 488 Comment
  RSA0042218  Lotus hamatus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-4 2834 Los Angeles Santa Catalina Island: Hillside above New York Harbor. 79 Comment
  RSA498324  Lotus heermannii T. W. Minthorn 1924-5-30 s.n. Los Angeles San Jaun by the Sea [San Juan Capistrano?] Comment
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Oct 16 2013
  RSA0057891  Lotus purshianus Richard G. Swinney 2010-9-7 13684 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  PASA221  Lotus scoparius Margaret Stason 1931-3-21 Los Angeles Near Roscoe Comment
  POM1869  Lotus scoparius Crawford, Hyatt 1916-3-28 s.n. Los Angeles Santa Monica Mountains. 305 Comment
  POM305738  Lotus scoparius var. scoparius H. J. Ramsey 1937-6-27 916 Los Angeles Bear Creek, north of Pacoima Reservoir, Angeles National Forest, San Gabriel Mountains. 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
  UCR132300  Lotus scoparius var. scoparius 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
  RSA191094  Lotus strigosus R. F. Thorne 1967-6-25 37082 Los Angeles along fire road between Cobal and Evey Canyons, 732 Comment
  RSA579141  Lotus strigosus T. S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, Darin Banks, Megan Tommerup 1994-3-28 7434 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; ca 2260 m SE of Inspiration Point and 3160 m WNW of Whites Point. 12 Comment
  RSA498711  Lotus strigosus E. S. Spalding 1923-3-26 s.n. Los Angeles Sierra Madre, Sturtevant trail Comment
  SEINET3560008 Image available Lotus strigosus Noel H. Holmgren, Patricia K. Holmgren 1974-4-5 7628 Los Angeles North foothills of San Gabriel Mountain, Portal Ridge, 13 air miles W of Lancaster 1067 Comment
  RSA660882  Lotus strigosus var. hirtellus Orlando Mistretta 1992-4-5 145 Los Angeles Guds, San Clemente Island. Comment
  RSA406258  Lotus unifoliolatus F. R. Fosberg 1930-7-3 451 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  UCR270823  Lotus unifoliolatus R. G. Swinney 2010-6-29 13392 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center 305 Comment
  UCR142449  Lotus wrangelianus M. B. Dunkle 1929-4-7 s.n. Los Angeles Channel Islands; Santa Catalina Island, Moonstone Beach 76 Comment
  UCR205657  Ludwigia peploides A. C. Sanders, T. B. Salvato 2009-5-20 36881 Los Angeles San Gabriel Valley, Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. (Hwy 19) and west of Santa Anita Ave. 69 Comment
  UCR209982  Lupinus R. G. Swinney 2008-7-24 9294 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  UC1481362  Lupinus albifrons David B. Dunn April 1956 RSA- 6450 -8292 Los Angeles Comment
  RSA0072196  Lupinus albifrons var. austromontanus Daisie Huang 2008-5-13 08051301 Los Angeles North Peace Valley Rd, just south of Falcon Way. 1219 Comment
  SEINET10937160  Lupinus albifrons var. longifolius Everett 1948-1 EVERETT 19477 Los Angeles Garden 6457, origin palos verdes hills Comment
  UCR273169  Lupinus andersonii R. G. Swinney 2011-6-22 15271 Los Angeles San Gabriel Mountains, 1/4 mile north of entrance to Charlton Flat, 8 m west of Angeles Crest Hwy shoulder 1659 Comment
  SEINET10870956  Lupinus arboreus David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 years old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by d.b.dunn. Rsa # 6846 x 6450 (1) Comment
  UC718435  Lupinus benthamii P. C. Everett 1935-6-10 7099 Los Angeles 1/4 mi e Gorman (Liebre Mts.); , e of Gorman 1219 Comment
  RSA0091530  Lupinus bicolor R. G. Swinney 2011-5-26 14835 Los Angeles 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1061 Comment
  RSA562570  Lupinus bicolor Steve Boyd 1993-4-22 7980 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
  CHSC98607  Lupinus bicolor subsp. microphyllus LeRoy Gross; Michael Honer, Leland Lubinsky 2000-4-27 181 Los Angeles San Rafael Hills: Ridge running west from Lookout Tower, east of the (2) Glendale Freeway. Near ridgetop; area burned in 1999. 487 Comment
  SEINET6932655  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
  UCD107524  Lupinus concinnus A. C. Sanders; D. Malueg 1998-6-22 22027 Los Angeles San Gabriel Mtns. La Canada, SCE Gould Substation off Hwy 2, Gould Canyon. 595 Comment
  OBI69327  Lupinus concinnus John Knapp, Denise Knapp 2003-5-10 66 Los Angeles Catalina Island, 367196.09N x 3695593.63E 274 Comment
  SEINET10488652  Lupinus concinnus Robert F. Thorne 1982-4-20 Thorne 54979 Los Angeles San gabriel mtns: mojave desert slopes; 1/4-1/2 mi n of bob's gap, n slope of holcomb ridge, about 2.5 mi due s of llano, in juniper-joshua tree woodland. Annual in sandy wash. 1158 Comment
  RSA229060  Lupinus elatus R. F. Thorne 1969-7-29 38855 Los Angeles N facing slope above Angeles Crest Hwy N & below Lily Spring at headwater of S fork Big Rock Creek 2317 Comment
  SEINET6092080  Lupinus excubitus Unknown 1997-3-25 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  CAS-BOT-BC216659  Lupinus excubitus subsp. hallii Ralph Hoffman 1929-4-26 s.n. Los Angeles Mint Canon [Canyon] Comment
  CAS-BOT-BC216660  Lupinus excubitus subsp. hallii C. F. B. 1903-4-1 4102 Los Angeles Anaheim Comment
  SEINET10874167  Lupinus excubitus subsp. hallii Tilforth 1969-5-31 TILFORTH 194 Los Angeles Woody perennial to 1.5 m; foliage silvery-green; flws blue-violet with yellow. Small canyon 1/2 mi. E of intersection of colima rd. & Punta del este ave., N Of whittier. Comment
  CAS-BOT-BC205408  Lupinus excubitus var. austromontanus Timothy S. Ross 1995-4-26 8381 Los Angeles Liebre Mountains. West end of Liebre Mountain along Forest Service Road 7N23 ca 1.0 road-mile NE of its junction with the Old Ridge Route; ca 4080 ft SSW of Sandberg Triangulation Point (5345 ft.) 1362 Comment
  RSA642514  Lupinus excubitus var. hallii D. E. Bramlet 1999-5-14 2760 Los Angeles Puente Hills. 274m northwest of the 57/60 freeway and 1.1 km east of old Brea Canyon Road. East facing slope of last small knoll before Lincoln Ave. (existing residential area). 207 Comment
  CAS-BOT-BC216538  Lupinus excubitus var. johnstonii Carl B. Wolf 1936-5-2 7853 Los Angeles 2.4 miles above Tie Camp Summit, Aliso Canyon to Buckhorn Flats Road, San Gabriel Mountains 1706 Comment
  UC198110  Lupinus formosus C. F. Baker 1904-4-2 4098 Los Angeles hills near Monrovia; hills near Monrovia Comment
  SBBG45472  Lupinus formosus D. Emery 1955-4-28 Los Angeles 2 mi N of Big Rock Crk on Hwy 138 Comment
  SEINET10485357  Lupinus formosus Robert F. Thorne, C. W. Tilforth 1971-6-30 Thorne 40774 Los Angeles San gabriel mtns. Angeles national forest. On sandy bottom and margins of dry Stream bed of s fork of little rock creek. Ca .3 mi below alder saddle. Flowers purple. 1615 Comment
  UCR208912  Lupinus formosus var. formosus Orlando Mistretta, Mark A. Elvin 1995-6-20 1814 Los Angeles Transverse Ranges; San Gabriel Mountains region, Bare Mountain Canyon 1738 Comment
  LA200465  Lupinus hirsutissimus A. M. Johnson; 1934-3-16 4336 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  SBBG112967  Lupinus hirsutissimus S. A. Junak 1998-6-13 SCa 752 Los Angeles W side of Avalon Cyn, upslope from fire stn 140 Comment
  SBBG131598  Lupinus hirsutissimus S. A. Junak 1999-7-15 SCa 1025 Los Angeles Salta Verde Beach,just E of S-facing bluffs/rock face 6 Comment
  UCD107949  Lupinus hyacinthinus Robert F. Thorne; M. Z. Thorne 1967-7-19 37198 Los Angeles San Gabriel Mts., Angeles National Forest: above Crystal Lake Recreation Area between Deer Flat Campground and Big Cienega Springs. 1950 Comment
  RSA0036984  Lupinus latifolius R. G. Swinney 2010-5-29 13407 Los Angeles San Gabriel Mountains: junction of W. Fork May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 Comment
  UCR182738  Lupinus latifolius R. G. Swinney 1997-6-19 5629 Los Angeles San Gabriel Mtns., Big Pines at junction of Big Pines Hwy and Hwy 2 (Angeles Crest), west of Wrightwood 2088 Comment
  RSA482507  Lupinus latifolius subsp. parishii Richard Noyes 1988-4-30 534 Los Angeles Claremont. San Gabriel Mountains: Burbank Canyon, northwest of Thompson Creek Dam 500 Comment
  RSA584882  Lupinus latifolius subsp. parishii T. S. Ross 1990-6-1 2783 Los Angeles Magnetic Springs: in Moody Canyon (ca. 2.15 air-miles NW of Mt. Gleason). 1195 Comment
  RSA87415  Lupinus latifolius subsp. parishii F. W. Peirson 1903-4-11 464 Los Angeles Nichol Canyon, Santa Monica Mts Comment
  SEINET10489277  Lupinus latifolius subsp. parishii August J. Breitung 1953-5-16 Breitung 15111 Los Angeles Glendora mtn. Rd, san bernardino (gabriel ?) Mts. Herb up to 7 ft high. Keel Ciliate above near base. Comment
  RSA522944  Lupinus longifolius T. S. Ross 1990-10-24 3302 Los Angeles San Gabriel Mountains: Upper reaches of Venedo Canyon (off the E side of the San Gabriel Reservoir) where crossed by the Upper Monroe Road. 880 Comment
  UCD107983  Lupinus longifolius Daryl Koutnik 1978-6-3 520 Los Angeles Dry Canyon-Cold Creek Road. Mulholland Hwy and Old Topanga Canyon Road. 304 Comment
  RSA91317  Lupinus longifolius F. W. Peirson 1921-4-10 7723 Los Angeles San Dimas Canyon, south base of San Gabriel Mts 442 Comment
  UCR95271  Lupinus microcarpus var. densiflorus T. S. Ross, J. M. Porter 1995-5-4 8474 Los Angeles Transverse Range, Texas Canyon: c. 3.6 road miles NE of Bouquet Canyon Road 683 Comment
  UCR274956  Lupinus microcarpus var. microcarpus Michael Honer, Rachel Woodard 2006-4-12 2183 Los Angeles Tehachapi Mountains area, Hills above Oso Cyn.; c. 1.5 miles NNW of Quail Lake, 2 miles west of cement plant rd. 1128 Comment
  OBI48496  Lupinus microcarpus var. microcarpus Rhonda Riggins 1982-4-16 1349 Los Angeles W edge Antelope Valley, Ca 198 3.1 mi W jct Co. Rd N2 5.6 mi W Gorman Post Rd and I5 Comment
  SD215539  Lupinus sparsiflorus Steve Boyd, Lauren Raz 1997-3-31 9393 Los Angeles Knapp Ranch area at upper end of Castiac Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 914 Comment
  SD262280  Lupinus sparsiflorus R. G. Swinney 2014-4-24 16216 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. 1256 Comment
  UC73236  Lupinus sparsiflorus E. D. Palmer May 1903 Los Angeles near Occidental College; Los Angeles, near Occidental College Comment
  SD69604  Lupinus succulentus Robert F. Thorne, P. Everett 1965-5-11 34660 Los Angeles Santa Catalina Island; along summit road to airport. 456 Comment
  SD90558  Lupinus succulentus Robert F. Thorne 1973-4-12 42906 Los Angeles San Clemente Island: China Point at end of road. 14 Comment
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Dec 24 2010
  SFV12387  Lupinus succulentus D. L. Koutnik 1978-5-10 464 Los Angeles Santa Monica Mountains Along Corral Canyon Road. 549 Comment
  UCR131431  Lupinus succulentus Alison Lipman 1998-5-24 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  SEINET10489007  Lupinus succulentus Robert F. Thorne 1966-4-4 Thorne 35762 Los Angeles Santa catalina island: on grassy w facing slope, bluff se of ballast point and Catalina harbor, isthmus. With trifolium amplectens, t. Tridentatum, cerastium Glomeratum, calochortus catalinae, microseris heterocarpa, linanthus Dianthiflorus, filago spp., Amblyopappus pusillus, etc. Flowers purplish. 61 Comment
  SFV1909  Lupinus truncatus K. A. Wilson 1961-3-11 993 Los Angeles San Gabriel Mountains San Francisquito Canyon. 3 miles south of Green Valley. 790 Comment
  UCR259909  Lupinus truncatus R. G. Swinney 2010-3-18 11992 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
  UCR203250  Luzula comosa R. G. Swinney 2001-8-27 8119 Los Angeles San Gabriel Mountains, Windy Spring, 0.3 mi northwest of Little Jimmy Campground 2256 Comment
  UC416919  Lycium brevipes R. L. Pendleton 1909-7-6 1421 Los Angeles Catalina Cove Santa Catalina Island 6 Comment
  SEINET4098753  Lycium californicum M. B. Dunkle 1940-1 7418 Los Angeles West end, Santa Barbara Island. Comment
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Feb 10 2015
  RSA579134  Lycopersicon esculentum Tim S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, D. L. Banks, Megan Tommerup 1994-3-28 7437 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; ca 2260 m SE of Inspiration Point and 3160 m WNW of Whites Point. 12 Comment
  CAS-BOT-BC140218  Lyonothamnus floribundus subsp. aspleniifolius Herman Knoche 1919-7-4 Series A, No. 1004 Los Angeles San Clemento Island, Camp Mesquite 274 Comment
  RSA582449  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given 1994-8-1 8180 Los Angeles Santa Catalina Island. 1055m NNE of Blackjack Mountain, 650m SSW of Echo Lake, on northeasterly slope draining to White Cove. 366 Comment
  SBBG128116  Lyonothamnus floribundus subsp. floribundus M. L. Hoefs 1994-7-18 1892 Los Angeles NE of upper end of rd to White's Landing 243 Comment
  RSA435267  Lythrum californicum Samuel R. Tyson 1942-5-22 s.n. Los Angeles San Dimas Canyon. [San Gabriel Mountains] 457 Comment
  RSA0022986  Machaeranthera canescens Duncan S. Bell, Caitlin Elam 2013-8-1 5575 Los Angeles Sheep Mountain Wilderness; south side of Prairie Fork; Pine Mountain Ridge; above Lupine Campground area and below Columbine Spring. 2031 Comment
  UCR275523  Machaeranthera canescens D. E. Bramlet 2011-9-21 4949 Los Angeles San Gabriel Mountains, Pacifico Mountain 2163 Comment
  CAS-BOT-BC343069  Madia gracilis Louis C. Wheeler 1932-6-12 813 Los Angeles San Dimas Canyon, San Gabriel Mts. 533 Comment
  UCR193676  Madia gracilis R. G. Swinney, Dave Larson 1999-6-25 7411 Los Angeles San Gabriel Mtns., Fern Canyon, c. 1.75 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  SD725  Maianthemum stellatum Ruth B. Randall Jul 1931 Los Angeles Big Pines. Comment
  RSA785789  Malacothamnus clementinus Mark A. Elvin, Stone and Wall 1996-8-8 326 Los Angeles San Clemente Island, Lemon Tank Cyn, N side in dump site, ca 30 ft below canyon rim. Comment
  POM263063  Malacothamnus davidsonii J. C. Roos 1937-7-7 331 Los Angeles Near San Fernando Comment
  UC519947  Malacothamnus davidsonii Louis C. Wheeler 1933-8-5 2053 Los Angeles 2 mi nw Roscoe; San Fernando Valley 274 Comment
  CHSC100181  Malacothamnus fasciculatus John Dittes 2006-6-4 1396 Los Angeles Western Transverse Range; Simi Hills; north of Santa Susana Road; ca. 2.4 air miles northwest of Chatsworth High School, ca. 1.2 air mile west of Topanga Blvd., ca. 0.6 air mile east x northeast of Santa Susana Pass. 426 Comment
  SD21263  Malacothamnus fasciculatus Norman E. Bilderback 1938-4-23 Los Angeles Catalina Harbor Comment
  SD253496  Malacothamnus fasciculatus R. G. Swinney 2010-5-7 12580 Los Angeles San Gabriel Mountains: Lake View Terrace, ridge to the immediate west of Oliver Canyon, 0.8 air mile N of I-210 Fwy (Sunland 7.5'Q) 494 Comment
  RSA0070066  Malacothamnus fasciculatus subsp. catalinensis Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Miller Zou, Sarah Ratay 2011-7-1 11 Los Angeles Deer Valley Trail. 22 Comment
  RSA0096978  Malacothamnus fremontii Richard G. Swinney 2011-5-31 14909 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  UCR215255  Malacothamnus fremontii LeRoy Gross, Duncan Bell 2008-5-27 3423 Los Angeles Transverse Ranges; San Gabriel Mountains, East Mill Creek and Angeles Forest Highway, SW of Mill Creek Summit, along side of Road 4N18.1 1402 Comment
  RSA618729  Malacothamnus marrubioides Scott D. White, Sandy Leatherman 1998-5-19 6519 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, between 1-5 fwy./ Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  RSA653691  Malacothrix clevelandii Valerie L. Soza, Laura Moore 2000-5-10 865 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines to peak ''1936''. 579 Comment
  UCR263281  Malacothrix clevelandii Anuja Parikh, Nathan Gale 2012-5-10 3591 Los Angeles Transverse Range: San Gabriel Mountains, west bank of the West Fork San Gabriel River, just south of concrete river crossing 830 Comment
  SD66912  Malacothrix foliosa subsp. foliosa R. Mitchel Beauchamp 1967-3-19 327 Los Angeles San Clemente Island; 0.25 mile east of West Cove. Comment
  RSA585327  Malacothrix glabrata Timothy S. Ross 1991-4-27 4657 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
  UCR259629  Malacothrix glabrata R. G. Swinney 2010-4-15 12217 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  UCR125928  Malacothrix saxatilis A. C. Sanders, Mark Elvin 2002-6-20 25204 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  UCR153331  Malacothrix saxatilis A. C. Sanders, T. B. Salvato 2005-4-26 29722 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
  POM362378  Malacothrix saxatilis var. tenuifolia L. E. Hoffman 1929-5-16 s.n Los Angeles Castle Rock, Santa Monica. Comment
  RSA0042340  Malacothrix saxatilis var. tenuifolia Pam De Vries 2013-5-20 7860 Los Angeles Tehachapi Mountains/Western Transverse Range (Gorman Hills). About 0.5 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Rd. 1036 Comment
  POM2827  Malosma laurina P. A. Munz 1918-4-16 2061 Los Angeles Claremont, Pomona College Campus Comment
  RSA199156  Malosma laurina R. F. Thorne, D. Propst 1968-5-29 37688 Los Angeles Santa Catalina Island. Upper part of Cape Canyon on slopes of Black Jack Mt. 320 Comment
  UCSB69226  Malosma laurina Gross, LeRoy; Soza, Valerie; Tessel, Samantha 2001-6-4 Los Angeles Los Angeles Basin; Verdugo Mountains Region; northwest side, just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek; City of Sun Valley 274 Comment
  UCR51471  Malva parviflora Steve Morgan 1974-5-2 101 Los Angeles San Fernando Valley, Canoga Park, 7414 Variel Street 244 Comment
  SD30975  Malva parviflora Edith A. Purer 1931-4-28 1753 Los Angeles Palos Verdes Hills. Comment
  UC520013  Malva parviflora Joseph Andorfer Ewan 1932-4-30 7441 Los Angeles Ballona Creek at Mesner Ballona Creek; , Mesner Comment
  RSA0053885  Marah macrocarpa R. G. Swinney 2010-5-11 12638 Los Angeles San Gabriel Mountains: Acton 0.7 road miles SE of jct. of Soledad Canyon Rd. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 Comment
  RSA762448  Marah macrocarpa R. G. Swinney 2009-2-20 10007 Los Angeles El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  CATA3261  Marah macrocarpa Julia Parish, Ben Dion 2017-1-3 003 Los Angeles Santa Catalina Island: Parson's WMU 11 Comment
  RSA440984  Marah macrocarpa Jack Rempel 1932-2-27 s.n. Los Angeles El Segundo. Comment
  RSA441004  Marah macrocarpa var. major F. H. Elmore 1939-2-19 386 Los Angeles San Clemente Island. Comment
  RSA596815  Marrubium vulgare Tim S. Ross, J. Mark Porter 1995-5-4 8477 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  UCSB5712  Marrubium vulgare Albright, S. 1957-4-10 Los Angeles UCLA Campus, Faculty Hill 91 Comment
  UCR256433  Matricaria discoidea R. G. Swinney 2010-6-8 13197 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail 573 Comment
  UC1971404  Matricaria discoidea Louis C. Wheeler 1967-5-15 9600 Los Angeles SAN GABRIEL MOUNTAINS: Elsmere Canyon; bottom of canyon near mouth. Comment
  RSA596918  Matricaria matricarioides Timothy S. Ross, J. Mark Porter 1995-5-4 8479 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  CAS-BOT-BC422742  Meconella denticulata H. L. Mason 1927-6-14 3754 Los Angeles San Antonio Canyon, San Gabriel Mountains 914 Comment
  POM276574  Medicago polymorpha George B. Grant 1903-02 s.n. Los Angeles Pasadena Comment
  RSA187876  Medicago polymorpha Robert F. Thorne 1966-4-6 35929 a Los Angeles Santa Catalina Island: about 1 mi. W of Empire Landing. 76 Comment
  SD251735  Medicago polymorpha M. B. Dunkle 1939-4-6 7327 Los Angeles San Clemente Island; Mosquito Ridge. Comment
  RSA547820  Melica imperfecta Timothy S. Ross 1990-6-20 3626 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near the confluence of E and W forks of the San Gabriel River. Stream bottom to slopes. 445 Comment
  SBBG56875  Melica imperfecta R. Hoffmann 1929-5-19 Los Angeles Los Angeles Recreation Park 1828 Comment
  UC1108611  Melica imperfecta Huron H. Smith 1912-5-31 5059 Los Angeles Pebble Beach Road; Santa Catalina Island 7 Comment
  UCR142483  Melica imperfecta F. R. Fosberg 1931-3-31 S- 4430 Los Angeles Channel Islands, Santa Catalina Island, Avalon 8 Comment
  UCR213247  Melica imperfecta Dan S. Cooper 2010-3-26 20100326- 13 B Los Angeles Western Transverse Range, eastern Santa Monica Mtns., Griffith Park, Lower Beacon Trail in SE corner of park 232 Comment
  RSA600047  Melica stricta Steve Boyd, Lauren Raz 1997-5-20 9802 Los Angeles Liebre Mountains region: Northern flank of Sawmill Mountain, upper Heryford Canyon drainage, just northeast of Sawmill Summit at the junction of Forest Service roads 7N23 and 7N08. 1341 Comment
  UCR223778  Melica stricta R. G. Swinney 2009-6-17 11158 Los Angeles Transverse Range; San Gabriel Mtns., Ball Flat, 2.6 miles NW (312 deg. ) of Big Pines 1890 Comment
  RSA720367  Melilotus albus LeRoy Gross 2007-4-6 2624 Los Angeles Southern base of the range: Debris basin behind Bel Aire Park, at the intersection of Cambridge Drive and Bel Aire Drive. City of Burbank. 273 Comment
  RSA652197  Melilotus albus Serge Krepenko 1948-1-24 s.n. Los Angeles 4 m. S/E of San Fernando. 396 Comment
  SBBG108151  Melilotus indicus S. L. Crockett, M. L. Hoefs, S. A. Junak 1997-3-27 600 Los Angeles 0.2 mi N on lower Cape Cyn Reservoir Rd from jct with Cape Cyn Rd; ca. 10 m E of rd 286 Comment
  UC1215279  Melilotus indicus Peter H. Raven 1962-4-9 17128 Los Angeles Wilson Cove San Clemente Island (near barracks) 60 Comment
  UCD108092  Melilotus indicus Robert F. Thorne; P. C. Everett 1964-2-7 33455 Los Angeles Lower end of Pebbly Beach Canyon near road, E end of Santa Catalina Island. 76 Comment
  UCR131433  Melilotus indicus Alison Lipman 1998-5-6 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  OBI35610  Melilotus indicus Rebecca Cicoria 1981-4-23 17 Los Angeles In upper end of Altamira Cyn, Rolling Hills Comment
  POM348192  Melilotus indicus Elbert Benjamine 1929-3-10 55 Los Angeles Los Angeles. Comment
  RSA314594  Mentzelia albicaulis Robert F. Thorne, C. W. Tilforth 1973-4-20 43072 Los Angeles Mojave Desert: c. 1 mile SE of junction of Pearlblossom and Antelope Valley Hwys and 4.5 mi NW of Pinyon Hills along Hwy 138. 991 Comment
  UCSB7345  Mentzelia albicaulis Haller, Norman 1953-4-18 Los Angeles 18 miles E. of Gorman, Hwy. 138, Antelope Valley, Mojave Desert 914 Comment
  UCR223494  Mentzelia congesta R. G. Swinney 2009-6-8 11074 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
  UCD117361  Mentzelia laevicaulis R. N. Raynor 1938-6-1 s.n. Los Angeles between Little Rock and Cajon. Comment
  UCD117363  Mentzelia laevicaulis R. N. Raynor 1938-6-1 s.n. Los Angeles between Little Rock and Cajon. Comment
  UCSB4233  Mentzelia laevicaulis Kamb, Peter 1947-06 Los Angeles San Gabriel Mts. 1767 Comment
  RSA12382  Mentzelia lindleyi Carl B. Wolf 1934-3-23 1657 Los Angeles Volunteer crop in the RSABG wild flower field. Comment
  RSA446766  Mentzelia micrantha L. E. Hoffman 1927-8-19 s.n. Los Angeles Clear Creek, Angeles National Forest. Comment
  UC303588  Mentzelia micrantha Geo. B. Grant 1904-6-14 6424 Los Angeles Southern California, Monrovia Comment
  UCR219399  Mentzelia micrantha R. G. Swinney 2009-3-31 10226 Los Angeles Transverse Range; San Gabriel Mtns., mouth of San Gabriel Canyon, 1.2 mi. north of Foothill Blvd, Azusa/Duarte 183 Comment
  POM96822  Mentzelia micrantha F. M. Reed 1926-6-12 5240 Los Angeles Talus slope near La Canada. Comment
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Dec 7 2014
  UCR139480  Mentzelia montana Anstruther Davidson, H. E. Hasse 1906-6-1 1626 Los Angeles San Gabriel Mtns./Mojave Desert, Big Rock Creek 1982 Comment
  CAS-BOT-BC167617  Mentzelia veatchiana G. B. Grant 1933-4-23 s.n. Los Angeles Saugus Comment
  RSA282441  Mentzelia veatchiana H. J. Thompson 1954-4-17 1596 Los Angeles 3 miles E of Palmdale, corner of Palmdale blvd, 40th street E 793 Comment
  RSA772374  Mentzelia veatchiana R. G. Swinney 2009-5-12 10736 Los Angeles Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge. 1435 Comment
  RSA650016  Mesembryanthemum blandum Tom Kawakami 1948-2-15 s.n. Los Angeles Loma Vista Way & Paige, Pomona. Comment
  UCR194140  Microseris douglasii A. C. Sanders 2008-4-25 35115 Los Angeles Transverse Range; Western San Gabriel Mtns., hill slopes c. 0.8 mi. NE of old La Liebre Ranch, 0-0.3 mi. south of Hwy 138 970 Comment
  JEPS31167  Microseris douglasii subsp. douglasii Ernest C. Twisselmann 1962-4-18 6958 Los Angeles n side of canyon on the road to Mexican Mine; Tehachapi Mountains, Tejon Ranch, Oso Canyon 1005 Comment
  UCR238629  Microseris douglasii subsp. douglasii Anuja Parikh, Nathan Gale 2010-5-12 3161 Los Angeles Western Mojave Desert, Antelope Valley, 3.5 km south of Hwy 138, 0.4 km west of 120th St. West, under power transmission lines 785 Comment
  UC557805  Microseris elegans Nell Murbarger April, 1936 111 Los Angeles mesa summit San Clemente Island Comment
  POM363449  Microseris lindleyi Fay A. MacFadden 1931-3-29 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  UCR126898  Microseris lindleyi A. C. Sanders, Tricia Wotipka, Mark A. Elvin, and others 2003-4-29 26150 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east Lake Hughes Road 488 Comment
  POM363452  Microseris lindleyi Robert Gustafson 1978-6-1 980 Los Angeles Near the entrance of Hungry Valley off dirt road leading into the valley, 0.1 west of the paved 2-lane Peace Valley Rd., about 1/4 miles west of Gorman. 1220 Comment
  JEPS4582  Mimulus aurantiacus var. pubescens Frank W. Peirson 1919-3-27 358 Los Angeles in frontal range directly e Tujunga (near foot of Lukens Peak trail); San Gabriel Mountains, Mt. Lukens 579 Comment
  OBI35967  Mimulus aurantiacus var. pubescens J. & B. Semple, B. Semple 1981-8-16 5627 Los Angeles Hills S of Westlake Village Comment
  RSA659129  Mimulus aurantiacus var. puniceus LeRoy Gross 2001-3-31 364 Los Angeles Los Angeles Basin: Verdugo Mountains region: South side: At end of Olive Ave, parked on Via Montana, in city of Burbank. Follow an old road that is overgrown so that a faint trail is all that is left of this road., The old road goes up to the main crest with Sunset Canyon to the west and Story Canyon on the east. 366 Comment
  RSA747187  Mimulus bigelovii R. G. Swinney 2008-6-10 9007 Los Angeles Devils Punchbowl Co. Park, 2.4 miles SSE of park headquarters on South Fork Trail. 1585 Comment
  UCR168409  Mimulus brevipes Fay A. MacFadden 1931-6-10 s.n. Los Angeles Transverse Range, La Tuna Canyon, Verdugo Hills 500 Comment
  JEPS19533  Mimulus cardinalis Peter H. Raven with R. Snow 1957-7-25 11065 Los Angeles 1.6 mi n of junction of Padua Avenue with Mt. Baldy Road; San Gabriel Mountains Comment
  UC483361  Mimulus cardinalis L. R. Abrams and I. L. Wiggins 1931-7-4 319 Los Angeles White's Landing Channel Islands, Santa Catalina Island Comment
  UCR258525  Mimulus cardinalis R. G. Swinney 2010-8-9 13473 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, Camp Sturtevant 1049 Comment
  RSA229086  Mimulus cardinalis Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38856 Los Angeles San Gabriel Mountains, Angeles National Forest: slope above Angeles Crest Highway at headwater of South Fork Big Rock Creek, ca. 1.7 miles south of Dawson Saddle 2317 Comment
  UCR259608  Mimulus floribundus R. G. Swinney 2010-9-7 13689 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  RSA435503  Mimulus floribundus F. R. Fosberg, Joseph A. Ewan 1931-8-10 4904 Los Angeles Crystal Lake, N fork San Gabriel River. San Gabriel Mountains. 1616 Comment
  RSA316344  Mimulus fremontii var. fremontii Robert F. Thorne, Walter Wisura, S. Granger, Pamela Burton 1982-4-20 54964 Los Angeles San Gabriel Mts: 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. 1159 Comment
  RSA724666  Mimulus guttatus K. Dobry 1991-6-28 f- 884 Los Angeles Santa Monica Mts. Las Virgenes Rd. and Mulholland Hwy. at Soka Univ., E. Section Comment
  RSA756736  Mimulus guttatus R. G. Swinney 2008-6-24 9094 Los Angeles Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon. 244 Comment
  RSA0043345  Mimulus longiflorus Robert Hall 1970-4-17 00137 Los Angeles On College Annex Road of Rio Hondo College 0.6 miles from junction with College Drive. 91 Comment
  RSA228078  Mimulus moschatus Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38880 Los Angeles San Gabriel Mountains, Angeles National Forest: near Lodgepole Picnic area, at headwaters of Dorr Canyon, N slope of Throop Peak, above Angeles Crest Highway, 1.2 mile SE of Dawson Saddle. 2332 Comment
  JEPS11361  Mimulus nasutus Frank W. Peirson 1920-5-6 2125 Los Angeles Fish Canyon San Gabriel Mountains 609 Comment
  RSA0110538  Mimulus pilosus R. G. Swinney 2010-6-1 13139 Los Angeles San Gabriel Mountains; Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  RSA749075  Mimulus pilosus R. G. Swinney 2005-8-11 8450 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  RSA599276  Minuartia douglasii Steve Boyd, Lauren Raz 1997-3-31 9412 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 914 Comment
  UCR210442  Mirabilis laevis R. G. Swinney 2008-12-6 9980 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon west of Roberts Canyon on north side of San Gabriel River channel 229 Comment
  RSA545283  Mirabilis laevis D. Propst, Mark Hoefs 1973-3-3 42 Los Angeles Road just above Escondido, Santa Catalina Island. 244 Comment
  CAS-BOT-BC434651  Mirabilis laevis var. crassifolia L. R. Abrams; I. L. Wiggins 1931-7-6 347 Los Angeles San Clemente Island. Vicinity of Mosquito Harbor. Comment
  UC851763  Mirabilis laevis var. crassifolia Ira W. Clokey, B. Templeton May 1929 4499 Los Angeles Mandeville Canyon, Santa Monica Mountains 350 Comment
  RSA0009892  Mirabilis laevis var. crassifolia Marcus E. Jones 1882-2-25 3020 Los Angeles Pasadena. Comment
  CAS-BOT-BC219889  Monardella breweri subsp. breweri Ernest Braunton 1903-6-1 897 Los Angeles Glendale to Burbank Comment
  SD4399  Monardella breweri subsp. lanceolata Mary Caswell Jun 1899 Los Angeles Pomona Comment
  UC1293674  Monardella breweri subsp. lanceolata P. C. Everett and E. K. Balls 1959-6-2 23826 Los Angeles 1 mi ne of entrance Stokes Canyon; Santa Monica Mts. 182 Comment
  UCR270646  Monardella breweri subsp. lanceolata R. G. Swinney 2011-10-10 15737 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  CAS-BOT-BC219995  Monardella breweri subsp. lanceolata J. Ewan 1931-7-4 4737 Los Angeles Near Gold Creek Road, Pacoima Canyon, San Gabriel Mts. Comment
  CAS-BOT-BC220135  Monardella exilis Robert F. Thorne; G. Wallace 1973-4-24 43450 Los Angeles Antelope Valley, Western Mojave Desert: Lovejoy Buttes, N of Llano 914 Comment
  JEPS51856  Monardella exilis Frank W. Peirson 1921-5-19 2416 Los Angeles Little Rock Creek San Gabriel Mts. 1036 Comment
  RSA83379  Monardella exilis F. W. Peirson 1918-6-18 1067 Los Angeles Between Rock Creek and Cajon Pass, east of Llano. Comment
  SD197810  Monardella linoides R. G. Swinney 2005-8-26 8524 Los Angeles San Gabriel Mountains: Devil's Punchbowl County Park, peak 6374, c. 1/2 miles southwest of Devils Chair. 1933 Comment
  UC851245  Monolepis nuttalliana Marcus E. Jones, A. M. 1882-5-3 2333 Los Angeles Pasadena Comment
  RSA563759  Monolopia lanceolata Wandalee Thompson 1974-4-13 96 Los Angeles Palmdale area, Joshua Tree Woodland with some Desert Transition Chaparral. 945 Comment
  VVC99  Monolopia lanceolata Wandalee Thompson 1964-4-13 96 Los Angeles Foothills near Palmdale. 945 Comment
  RSA13757  Montia fontana L. C. Wheeler 1934-3-3 2387 Los Angeles Puddingstone Dam (Harwood Hill) San Jose Hills. 305 Comment
  CDA35808  Morus alba R. G. Swinney 2009-3-12 10103 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. Comment
  UC72687  Mucronea californica Geo. B. Grant 1901-1 173 Los Angeles Arcadia Comment
  CATA432  Muhlenbergia microsperma Sara L. Crockett, Mark Elvin 1997-3-17 570 Los Angeles Santa Catalina Island: SE-trending ridge overlooking road 1.25 miles NE on Cape Canyon Road from jct. with Middle Ranch Road; top of minor canyon SE of Peak 1395 335 Comment
  LA9667  Muhlenbergia microsperma J. A. Ewan; 1932-3-5 7027 Los Angeles 365 Comment
  SBBG93108  Muhlenbergia microsperma D. Swinney 1990-1-6 1510 Los Angeles Glendora, ca. 0.2 mi SW of Little Dalton Park on Glendora Mtn Rd Comment
  RSA403606  Muhlenbergia rigens Anstruther Davidson 1912-07 2909 Los Angeles Hollywood. Comment
  RSA718264  Muilla maritima R. G. Swinney 1998-4-11 5942 Los Angeles Claremont, hills c. 0.75 mi. NE of Padua Hills Restaurant, 0.4 SW of Potato Mtn. 823 Comment
  RSA377619  Muilla maritima Albert J. Perkins 1916-5-3 s.n. Los Angeles Lower end of Mt. Wilson Trail Comment
  UCD124802  Myoporum laetum B. Pitzer 1996-5-5 2871 Los Angeles Palos Verdes Peninsula; Palos Verdes Hills, San Pedro Navel Fuel Depot, at Pedro Hill. 409 Comment
  RSA748900  Nama californica R. G. Swinney 2008-5-12 8835 Los Angeles east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  PASA2103  Nama demissa Margaret Stason 1930-5-18 Los Angeles Lovejoy Buttes Comment
  RSA589506  Nama stenocarpa E. Kellogg 1992-6-28 s.n. Los Angeles San Clemente Island. SE of the airport, 29 and 1500 ft. NNE of the 408-foot knoll. 122 Comment
  SEINET193423  Nassella cernua F. W. Gould 1944-3-26 2176 Los Angeles N slopes of Palos Verdes Hills near Walteria Comment
  RSA627530  Nassella lepida Sandra Leatherman, Fred M. Roberts, B. Leatherman, Trish Smith 1998-5-23 19 Los Angeles Black Star Canyon: SPur Road off of Black Star Canyon road. 335 Comment
  UC1584259  Nassella lepida Tim Ross and Steve Boyd 1990-6-6 2833 Los Angeles Green Valley Pasture Lake Hughes USGS 7.5' quad., San Francisquito Canyon 926 Comment
  RSA431550  Nasturtium officinale Tisdale 1929-5-12 20653 Los Angeles Malibu Ranch Comment
  UC856870  Navarretia hamata Ira W. Clokey, B. Templeton 1929-7-1 4577 Los Angeles Mandeville Canyon Santa Monica Mountains 250 Comment
  UC729801  Navarretia hamata subsp. leptantha Carl B. Wolf 1932-5-11 Los Angeles w side Isthmus Harbor; Santa Catalina Island 15 Comment
  JEPS14736  Navarretia prostrata J. C. Nevin May, 1882 Los Angeles Wilmington Comment
  RSA468365  Navarretia prostrata Edwin Kline 1896-1 s.n. Los Angeles Los Angeles Comment
  UC150153  Navarretia prostrata Dr. N. S. Gardner 1907-5-1 Los Angeles West Washington St., Los Angeles Los Angeles Comment
  SFV20780  Navarretia pubescens T. Sagar 2007-5-29 s. n. Los Angeles Santa Monica Mountains Malibu Springs Trail from Decker School Road, northwest of Nicholas Flat. 475 Comment
  UC1563056  Nemacladus longiflorus var. breviflorus Steve Boyd and Orlando Mistretta 1986-3-31 1559 Los Angeles 4 mi e Hwy. 138 junction with Hwy. 18 (ne of Pinyon Hills); Mojave Desert Comment
  SBBG127088  Nemacladus pinnatifidus A. Parikh, N. Gale 2011-6-20 3488 Los Angeles S of Rabbit Peak, 1.8 km E of Angeles Forest Hwy, 0.2 km N of Monte Cristo Crk; San Gabriel Mtns 1330 Comment
  RSA771549  Nemacladus sigmoideus R. G. Swinney 2009-5-28 10955 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  UCR206426  Nemacladus sigmoideus R. G. Swinney 2008-6-4 8938 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, 0.2 mi. north of park headquarters/nature center 1430 Comment
  RSA99639  Nemacladus sigmoideus E. K. Balls 1952-4-26 8515 Los Angeles 9.7 miles NE & W of Desert Springs, along Hwy 138 to Palmdale. Comment
  SEINET10460964  Nemacladus sigmoideus Rimo Bacigalupi, Guy T. Robbins; Lawrence R. Heckard 1953-6-14 Bacigalupi 4187 Los Angeles Junction of road to Horse Flat Public Camp and main paved road from Upper Chilao Recreation Area, Angeles National Forest, San Gabriel Mountains 1829 Comment
  UC592135  Nemophila menziesii Curtis Ferris 1932-3-21 80 Los Angeles 20 mi n Saugus (Vasquez Rocks, Soledad Canyon); n of Saugus, Soledad Canyon, Vasquez Rocks Comment
  RSA421310  Nemophila menziesii var. integrifolia Elbert Benjamine 1929-3-31 86 Los Angeles Mint Canyon. Comment
  RSA0060141  Nicotiana attenuata Scott D. White, Justin M. Wood 2005-9-22 11226 Los Angeles Liebre Mountains: Tapia Canyon: ca. 2 air miles east of the Interstate 5 / Old Ridge Rt. junction. 427 Comment
  HSC31656  Nicotiana glauca Thomas E. Higley 1974-4-20 20 Los Angeles 20 mi. NE of Azusa along the E Fork of the San Gabriel River Trail, near the end of San Gabriel Canyon Rd. 457 Comment
  RSA658475  Nicotiana glauca Erinn Wilson 1996-4-26 5 Los Angeles G Canyon on Cal Poly Campus Pomona. Comment
  LA33449  Nicotiana glauca Henry J. Thompson; 1958-10-22 1809 Los Angeles SANTA MONICA MOUNTAINS, Mt. Hollywood, Griffith Park, just N of Mt. Hollywood. 380 Comment
  LA51858  Nicotiana glauca A. M. Johnson; 1928-2-16 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  SEINET10884683  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3976 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  CDA18789  Nothoscordum gracile Mavis Sim 2000-1-18 PDR 1198710 Los Angeles 1137 Sixth St., Santa Monica. 0 Comment
  CHSC26012  Oenothera deltoides Joseph Noe 1965-5-15 34 Los Angeles Gorman. 1127 Comment
  SEINET12189793  Oenothera deltoides J. F. Bright 1935-1 1012 Los Angeles Antelope Valley Comment
  UC1234728  Oenothera elata subsp. hirsutissima David P. Gregory 1961-7-12 472 Los Angeles over the ridge from Wrightwood (along stream); San Gabriel Mts., Prairie Fork Comment
  RSA0056391  Oenothera micrantha var. ignota Jim Shevock 1971-3-7 745 Los Angeles Tapia County Park. 252 Comment
  SD197842  Oenothera rosea A. C. Sanders, T. B. Salvato 2009-5-21 36906 Los Angeles San Gabriel Valley: Whittier Narrows, between San Gabriel River and Rio Hondo, west side of highway 19 (Rosemead Boulevard) along road to shooting area, south of highway 60 along SCE powerlines. 64 Comment
  UCR224010  Oenothera rosea Steve Boyd, Rick Riefner 2007-4-27 11734 Los Angeles Coastal Plains & Basins; Los Angeles Basin region, City of Carson, northwestern end shore of Harbor Park Lake (formerly known as Bixby Slough), between Pacific Coast Highway and Vermont Avenue. 43 Comment
  UCSB42121  Oenothera rosea Roos, A. 1958-6-17 Los Angeles Evans & Reeves Nursery; Brentwood; West Los Angeles Comment
  RSA600510  Olea europaea Louis C. Wheeler 1968-2-4 s.n. Los Angeles San Gabriel Mountains: Bluebird Truck Trail 1 mi. southwest of Johnstone Peak. 732 Comment
  UCR266307  Oligomeris linifolia Robert Hamilton 2009-4-14 s.n. Los Angeles South Coast, Palos Verdes Peninsula, a short distance up the coast from the preschool at Abalone Cove 6 Comment
  SEINET10734768  Olmediella betschleriana S. Krosnick 2002-1-1 Krosnick 555 Los Angeles UCLA Campus. Originally collected by Arthur Gibson from plants in cultivation at the UCLA Mildred E. Mathias Botanical Garden. Comment
  RSA731534  Oncosiphon piluliferum R. E. Riefner 2006-7-8 06 -296 Los Angeles City of Long Beach, Shopkeeper Rd. at Westminster Blvd. 3 Comment
  SEINET10732294  Opuntia X occidentalis George Engelmann 1880-11-1 Engelmann s.n. Los Angeles Comment
  UCR209506  Opuntia basilaris R. G. Swinney 2008-6-9 9017 Los Angeles San Gabriel Mountains, Paradise Springs (Big Rock Creek Camp), 100 m west of campground on north bank of Big Rock Creek 1427 Comment
  SEINET4890752 Image available Opuntia parryi Joesph Marlowe Keefe 2001-1-19 30981 Los Angeles Verdugo Mountains, Big Tujunga Wash, 200 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles 385 Comment
  POM317764  Opuntia tomentosa L. C. Wheeler 1962-1 s.n. Los Angeles Claremont, at head of Mountain Avenue Comment
  RSA771604  Orobanche R. G. Swinney 2009-5-28 10972 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  UCSC000709  Orobanche bulbosa Jerome S. Horton 1935-6-21 185 Los Angeles Pomona, Tanbark Flat 823 Comment
  UC537982  Orobanche fasciculata I. M. Johnston 1917-7-28 Los Angeles San Antonio Mountans. N. Fork, San Antonio Canyon. Comment
  UCR238100  Orobanche fasciculata Mark A. Elvin, Cathleen Weigand 2003-5-22 2902 Los Angeles Western Transverse Range; Santa Susana Mtns., crest of mountains at head of Salt Canyon, Newhall Ranch 915 Comment
  CAS-BOT-BC499911  Orobanche fasciculata Alice Eastwood 1913-5-11 3149 Los Angeles San Fernando Wash Comment
  RSA0066443  Orobanche fasciculata Anonymous 1940-2-26 609 Los Angeles Trail above flumes 2 and 3, San Dimas Experimental Forest. Angeles Forest, San Gabriel Mountains. Comment
  RSA0084359  Orobanche parishii F. R. Fosberg, Joseph A. Ewan 1931-8-12 s.n. Los Angeles Summit Mt. Islip, San Gabriel Mts. 2500 Comment
  CATA1794  Orobanche parishii subsp. brachyloba Benjamin E. Carter, Tony Summers 2012-8-16 6978 Los Angeles Santa Catalina Island: Below Lasso Loop, between Ben Weston Point and China Point 80 Comment
  RSA659920  Orobanche parishii subsp. parishii Orlando Mistretta 1992-12-10 787 Los Angeles Mt. Gleason management unit. Angeles National Forest. Tujunga Ranger District. Comment
  RSA402057A  Orthocarpus purpurascens Louis C. Wheeler 1932-3-23 515 Los Angeles Sandy open field, San Gabriel 107 Comment
  CDA20156  Osteospermum fruticosum M. O'Brien 2003-5-18 MOB 17 -03 Los Angeles South Coast; Malibu Lagoon State Beach. 0 Comment
  POM6996  Oxalis albicans subsp. californica P. A. Munz, L. T. Street, G. Williams 1919-4-19 2478 Los Angeles Lone Hill, San Dimas. Comment
  UCR97803  Oxalis pes-caprae Scott D. White 1997-3-12 4736 Los Angeles Pacific Coast, Zuma Beach, mouth of Zuma Creek, E end of the County Beach. 8 Comment
  POM353467  Oxalis pes-caprae H. L. Bauer 1932-03 s.n. Los Angeles Santa Monica Comment
  UCR178064  Oxypolis occidentalis LeRoy Gross 2001-11-17 458 Los Angeles San Gabriel Mountains region, just below trail from Three Points to Twin Peaks 1951 Comment
  UCR275521  Oxytheca caryophylloides D. E. Bramlet 2011-9-21 4953 Los Angeles San Gabriel Mountains, Pacifico Mountain 2163 Comment
  RSA64885  Oxytheca parishii var. parishii F. W. Peirson 1951-1 1782 Los Angeles Mt. Wilson, San Gabriel Mts Comment
  JEPS37244  Packera ionophylla F. W. Peirson 1919-6-14 475 Los Angeles Rock Creek Canyon San Gabriel Mts. 1752 Comment
  LA82451  Paeonia californica O. H. Kappler; 1941-2-19 82 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA652546  Paeonia californica Shlomo Gat 1959-03 s.n. Los Angeles South slope [Mt.] Baldy. Comment
  RSA628026  Panicum acuminatum var. acuminatum L. C. Wheeler 1964-11-6 8643 Los Angeles North fork San Gabriel River: Yucca Flat, near falling spring between Coldbrook and Crystal Lake. . Comment
  UCR199987  Panicum capillare Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1361 Los Angeles Transverse Ranges; Verdugo Mountains, Intersection of North Beaudry Motorway and Deer Creek 518 Comment
  UC625124  Parapholis incurva F. R. Fosberg 1931-4-3 S 4476 Los Angeles Pebble Beach Santa Catalina Island (Santa Catalina Island); , Pebble Beach 2 Comment
  SBBG13301  Parietaria hespera var. californica M. A. Piehl 1962-6-10 62391 Los Angeles cyn E of Thirst 304 Comment
  SBBG98446  Parietaria hespera var. californica T. Ross 1991-5-22 5458 Los Angeles Spray Cyn, short cyn 2400 ft ENE of Spray (which is 5200' N of Eel Pt) 60 Comment
  RSA613496  Paspalum dilatatum L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  RSA750454  Paspalum distichum A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37075 Los Angeles Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery 63 Comment
  RSA425328  Pedicularis semibarbata Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  RSA0114813  Pellaea andromedifolia R. G. Swinney 2011-10-25 15851 Los Angeles San Gabriel Mountains; along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek. 1001 Comment
  SEINET9628400 Image available Pellaea andromedifolia L. Shields 1936-3-23 s.n. Los Angeles Puddingstone. Comment
  POM312738  Pellaea andromedifolia var. andromedifolia D. Taylor 1951-5-17 59 Los Angeles Little Dalton Canyon north of Glendora. San Gabriel mtn range. Pacific drainage area. 365 Comment
  RSA610786  Pellaea mucronata var. mucronata L. C. Wheeler 1933-2-23 1483 Los Angeles Vasquez Rocks, Soledad Canyon drainage 838 Comment
  LA35173  Penstemon X parishii Mary V. Hood; 1944-5-21 44 49 k Los Angeles Santa Monica Mountains, between Calabasas and Monte Nido on Cold Canyon Rd, 274 Comment
  RSA587614  Penstemon centranthifolius Orlando Mistretta 1994-4-29 1135 Los Angeles San Gabriel Mountains, Santiago Canyon 1143 Comment
  UC1871294  Penstemon centranthifolius T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3940 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. (West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10) Comment
  UCR270463  Penstemon centranthifolius R. G. Swinney 2011-5-12 14666 Los Angeles San Gabriel Mountains, east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  RSA0098614  Penstemon grinnellii R. G. Swinney 2011-9-27 15716 Los Angeles San Gabriel Mountains: Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2354 Comment
  UCR256178  Penstemon grinnellii R. G. Swinney 2010-9-23 13874 Los Angeles San Gabriel Mountains, summit of Middle Hawkins Peak on Hawkins Ridge 2593 Comment
  UCR270821  Penstemon grinnellii R. G. Swinney 2010-9-9 13784 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
  POM175439  Penstemon grinnellii subsp. grinnellii Joseph A. Ewan 1930-6-24 2640 Los Angeles Crystal Lake, N. Fork San Gabriel R. 1707 Comment
  RSA788827  Penstemon grinnellii subsp. grinnellii Jane Tirrell, Shirley Imsand 2012-7-6 LS 0090 Los Angeles Along the Pacific Crest Trail approx. 0.5 mile east of Windy Gap 2423 Comment
  SFV3434  Penstemon heterophyllus M. L. Vincent 1961-5-10 45 Los Angeles Santa Monica Mountains Malibu Canyon Road. 0.25 miles north of Tapia Park. Roadside. 180 Comment
  UCSB6179  Penstemon heterophyllus Gill, Robert 1959-6-10 Los Angeles Johnson pasture; San Gabriel Mt Range Comment
  LA51904  Penstemon heterophyllus var. australis Carl Epling; 1926-5-18 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA408094  Penstemon heterophyllus var. australis Albert J. Perkins 1914-5-10 s.n. Los Angeles Mt. Lowe. Comment
  UC27470  Penstemon labrosus J. H. Barber 1897-7-11 258 Los Angeles summit of Mt. Gleason Comment
  UCD124199  Penstemon labrosus Victor Duran 1933-7-19 3519 Los Angeles Buckhorn, San Gabriel Mountains. 1981 Comment
  UCR223375  Penstemon labrosus R. G. Swinney 2009-7-23 11391 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCSB22117  Penstemon labrosus Wilken, Dieter 1967-7-15 Los Angeles Near Summit of Mt. Gleason; west of Mill Creek Summit; San Gabriel Mtns 1981 Comment
  RSA638231  Penstemon rostriflorus Louis C. Wheeler 1967-9-4 10653 Los Angeles San Gabriel Mountains: Pine Mountain Ridge 2241 Comment
  UC1587740  Penstemon rostriflorus Tim Ross 1991-8-14 5764 Los Angeles Roundtop Mtn. San Gabriel Mountains, , Chilao Flat quad 1828 Comment
  POM11238  Penstemon speciosus F. W. Peirson 1922-7-5 3193 Los Angeles Big Pines, Swartout [Swarthout] Valley, San Gabriel Mountains. Comment
  NY704146  Penstemon spectabilis subsp. subviscosus V. Soza 2001-4-24 1175 Los Angeles Transverse Ranges, San Gabriel Mountains region: Santa Anita 1999 Fire area, above Santa Anita Canyon, ca. 0.5 mile WNW of the Santa Anita Dam. (Mount Wilson) 823 Comment
  SD112411  Pentagramma triangularis Darley F. Howe 1915-3-1 29 Los Angeles San Gabriel Mountains, San Dimas Canyon Comment
  SEINET13276836 Image available Pentagramma triangularis R. G. Swinney 2011-1 14189 Los Angeles San Gabriel Mountains: mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam (Glendora 7.5' Q.) (T1N R9W S28) 509 Comment
  UCR258878  Pentagramma triangularis R. G. Swinney 2010-5-7 12611 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
  RSA0065219  Pentagramma triangularis Anonymous 2 Los Angeles San Antonio Canyon, near Claremont. Comment
  RSA0066313  Pentagramma triangularis C. B. Wolf 1932-5-9 3499 Los Angeles Santa Catalina Island. Along the road to Renton Mine, about due west of Pebbly Beach. 305 Comment
  LA94221  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-5-7 2005 Los Angeles SANTA MONICA MOUNTAINS, Malibu Canyon, ravine above the road and ca 0.5 mi S of the tunnel. 213 Comment
  UC62737  Pentagramma triangularis subsp. triangularis Geo. B. Grant 1901-1 530 Los Angeles Old Wilson Trail Comment
  UC812466  Pentagramma viscosa F. R. Fosberg 1931-3-20 R 77 Los Angeles Hamilton Canyon; Santa Catalina Isl. 25 Comment
  UCR27157  Perideridia parishii T. P. Krantz 1980-7-4 s.n. Los Angeles San Gabriel Mtns., San Gabriel Mountains, Horse Flat Campground 1768 Comment
  RSA0013168  Perideridia pringlei Orlando Mistretta, Christine Mistretta 2011-6-6 5678 Los Angeles Vicinity of Palmdale. Approx. 100 meters SE of intersection of Elizabeth Lake Rd and Southern California Edison transmission line corridor, 2.32 miles E of Jct of Elizabeth Lake Rd. and Godde Hill Rd. 903 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-BC355964  Perityle emoryi A. J. McClatchie 1893-9-12 s.n. Los Angeles Catalina Island Comment
  CAS-BOT-BC355966  Perityle emoryi Geo. B. Grant 1906-9-1 s.n. Los Angeles Catalina Island Comment
  RSA233404  Perityle emoryi R. F. Thorne 1966-4-15 36017 Los Angeles San Clemente Island, ca. 0.5 miles SSE of Eel Point, SW side of island. 30 Comment
  CAS-BOT-BC418873  Persicaria hydropiperoides LeRoy Abrams 1902-6-13 2530 Los Angeles Ballona Creek near Mesmer Comment
  UCR138526  Phacelia affinis L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mtns, Oak Spring, Oak Spring Canyon, off Little Tujunga 793 Comment
  SBBG64841  Phacelia bicolor R. Hoffmann 1929-4-5 Los Angeles Palmdale Comment
  UC24310  Phacelia bicolor var. bicolor Dr. A. Davidson May 1874 Los Angeles Antelope Valley Comment
  RSA653693  Phacelia brachyloba Valerie L. Soza, Laura Moore 2000-5-10 863 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines to peak ''1936''. 579 Comment
  RSA427579  Phacelia brachyloba N. C. Cooper 1945-5-1 2199 Los Angeles Tapia Park area, Santa Monica Mountains. 610 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
  RSA427628  Phacelia cicutaria var. hispida M. B. Dunkle 1929-4-13 2119 Los Angeles Little Gibralter, Santa Catalina Island. Comment
  RSA643156  Phacelia cicutaria var. hispida Orlando Mistretta 1994-4-15 s.n. Los Angeles San Gabriel Mountains: Little Rock Creek Management Unit; Santiago Canyon Section. 1159 Comment
  UCR187222  Phacelia ciliata A. C. Sanders 2006-4-18 32110 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, c. 2 miles due north of the west end of Quail Lake 1037 Comment
  HSC104219  Phacelia cryptantha R. G. Swinney 2009-4-24 10438 Los Angeles Transverse Ranges; San Gabriel Mtns., Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  POM4504  Phacelia davidsonii George B. Grant 1906-6-18 s.n. Los Angeles Summit, Mount Wilson 1829 Comment
  RSA229160  Phacelia davidsonii Robert F. Thorne 1971-6-30 40762 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
  SFV19330  Phacelia davidsonii P. Wilson, J. N. Hogue 243.3 2005-5-23 4212 Los Angeles San Gabriel Mountains Near Winston Peak, along trail from Cloudburst Summit, north of Highway 2. About 0.75 km from highway. 2075 Comment
  POM3768  Phacelia distans O. W. Robinson 1916-3-10 s.n. Los Angeles Wash near Greek Theater, Claremont. Comment
  RSA3780  Phacelia distans L. R. Abrams 1901-03 1178 Los Angeles Tennel near San Fernando Valley. Comment
  RSA426204  Phacelia distans Richard C. Barkelew 1929-4-7 s.n. Los Angeles Nichols Canyon Comment
  RSA582640  Phacelia distans Louis C. Wheeler 1933-5-20 1740 Los Angeles 2 miles NE La Verne. 373 Comment
  SEINET5760569  Phacelia distans N. K. Berg 1904-8-3 s.n. Los Angeles Redondos Comment
  UC2052832  Phacelia floribunda M. B. Dunkle 1939-4-2 7212 Los Angeles San Clemente Island, at southeast Point. Comment
  RSA75530  Phacelia fremontii F. W. Peirson 1933-5-13 10663 Los Angeles About 10 miles south of Munroc, Western Mojave Desert. Comment
  RSA199038  Phacelia grandiflora W. M. Gauntt 1966-4-30 180 Los Angeles Glendora Mt. Ridge Road. 1/2 mile south of ''Y'' to Mt. Baldy. 915 Comment
  UCR190545  Phacelia grandiflora R. G. Swinney 2000-6-19 7862 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  RSA0112068  Phacelia grandiflora Steven A. Junak 2000-5-18 SCa- 1290 Los Angeles Santa Catalina Island. Above Goat Harbor. 356 Comment
  PASA1339  Phacelia hispida Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  RSA135190  Phacelia imbricata Peter H. Raven 1960-5-15 15359 Los Angeles Piuma Road 2.3 miles east of Rambla Pacifica, Santa Monica Mountains. 488 Comment
  RSA428264  Phacelia lemmonii Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  UCR209110  Phacelia longipes R. G. Swinney 2008-6-18 9069 Los Angeles San Gabriel Mountains, Juniper Hills, 1.5 miles SW of Cruthers Creek bottom, Burkhart Trail 1744 Comment
  CATA3439  Phacelia lyonii Benjamin J. Dion, Stuart Olshevski, Tobias Nickel, Jaimie Choi, Olivia Reda 2017-4-20 021 Los Angeles Santa Catalina Island: Interior; Haypress watershed on the northwest slopes above the Grand Canyon drainage 401 Comment
  POM147455  Phacelia lyonii Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  RSA239488  Phacelia lyonii E. R. Blakley 1962-6-9 5206 Los Angeles Canyon W of road, 2.5 miles North of China Point. Santa [San] Clemente Island. 213 Comment
  POM8027  Phacelia minor M. E. Churchill 1920-3-1 3333 Los Angeles Claremont, Field N of high school Comment
  RSA656265  Phacelia minor Steve Archer 1977-4-6 3 Los Angeles Verdugo Mountains: Shields Canyon, Briggs Avenue from Foothill Boulevard, La Crescenta. 457 Comment
  RSA783492  Phacelia minor J. D. Olmsted 1958-3-10 34 Los Angeles Along Liveoak Creek, 3 mi north of Webb school past Hill ranch along fire road. Northwest of Claremont. 549 Comment
  UC410540  Phacelia minor Alice Eastwood 1928-6-15 15412 Los Angeles Claremount Comment
  UCSB33971  Phacelia minor Swanson, D. 1978-4-30 Los Angeles Shields Canyon 7 mi. north of Glendale in San Gabriel Mtns. 609 Comment
  SBBG125836  Phacelia parryi A. Parikh, N. Gale 2010-5-25 3221 Los Angeles Sierra Pelona, 5.2 km W of State Hwy 14, 1.9 km SW of California Aqueduct 1115 Comment
  UCR179681  Phacelia ramosissima R. G. Swinney, Dave Larson 1996-8-7 5241 Los Angeles Eastern San Gabriel Mountains., San Dimas Experimental Forest, head of Dry Lake Canyon at 'Dry Lake,' site of CCC camp in 1930s = Browns Flat 1524 Comment
  UC1002525  Phacelia ramosissima var. austrolitoralis A. M. Johnson 1933-5-17 4278 Los Angeles dunes El Segundo Comment
  RSA343353  Phacelia tanacetifolia F. R. Fosberg 1983-3-22 64154 Los Angeles Hi Vista, N of Saddleback Butte, E of Lancaster, Antelope Valley. Comment
  SEINET12320613  Phacelia tanacetifolia R. F. Thorne 1971-1 41502 Los Angeles San Gabriel Mts., Cobal Canyon, 3 mi N of Claremont 503 Comment
  CHSC110026  Phalaris aquatica V. Soza; LeRoy Gross 2001-5-22 1234 Los Angeles Transverse Ranges, San Gabriel Mountains region: Morgan Fire 2000 area, between Morgan and Sycamore Canyons, at end of old fire road west of Sycamore Flat Motorway (FS Road 1N15). 716 Comment
  UCR24015  Phalaris canariensis Alfred R. Roos 1958-5-21 s.n. Los Angeles Evans and Reeves Nursery, Brentwood, West Los Angeles Comment
  CAS-BOT-BC219549  Pholisma arenarium H. D. Ripley; R. C. Barneby 1942-7-11 5000 Los Angeles Playa del Rey 15 Comment
  RSA653071  Pholistoma auritum Ian Thompson 1997-4-28 69 Los Angeles Cal Poly Pomona Ecological Reserve, north facing west side of rear Culvert Canyon. Comment
  UC1244687  Pholistoma racemosum R. O. Ornduff, Roy L. Taylor 1960-3-18 4384 Los Angeles 100 yds s of board walk on road to Pebble Beach (moist creek areas in nr vicinity town of Avalon, Santa Catalina Island); Santa Catalina Island, vicin town of Avalon, rd to Pebble Be Comment
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Feb 20 2007
  RSA0012045  Phoradendron densum R. G. Swinney 2009-4-29 10602 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA132757  Phoradendron densum Del Wiens 1953-10 843 Los Angeles On U. S. Hwy 99, on the Ridge Route, near El Rancho 76. 1067 Comment
  RSA300707  Phoradendron pauciflorum James R. Shevock 1974-10-5 3882 Los Angeles Trail to Mt. Baden-Powell near Vincent Gap, San Gabriel Mountains, Angeles National Forest. 2012 Comment
  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
  CAS-BOT-BC141146  Phoradendron serotinum subsp. macrophyllum Del Wiens 1958-12-10 2427 Los Angeles Cobal Canyon, N of Claremont 426 Comment
  RSA683944  Phyllospadix scouleri E. Yale Dawson 1957-7-1 17268 Los Angeles Malibu Beach at Latigo Shore Road. Station # 19. Comment
  RSA683979  Phyllospadix torreyi E. Yale Dawson 1957-6-30 17203 Los Angeles Lunada Bay, Los Angelas County. Station # 25. Comment
  LA97876  Pickeringia montana subsp. montana Kei Nakai; 1977-7-4 151 Los Angeles Santa Monica Mountains, Topanga Canyon State Park, on Roger Rd, N 5.5 mi from Trippet Ranch 579 Comment
  SFV7868  Pinus attenuata T. Gordon, M. H. Grayum, J. R. Swanson, D. Walls, S. Zalusky 1976-1-21 1234 Los Angeles San Gabriel Mountains Angeles Forest Highway. 1220 Comment
  UCSB33656  Pinus attenuata Miller, Brian 1960-07 Los Angeles Switzer's Inlet 914 Comment
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Jun 22 2015
  RSA0049407  Pinus excelsa Lyman Benson 1944-12-12 11576 Los Angeles Claremont. Comment
  RSA250447  Pinus jeffreyi Robert F. Thorne, J. Dourley 1967-10-3 37291 Los Angeles Mt. Baden Powell, just south of peak 2851 Comment
  RSA771574  Pinus jeffreyi R. G. Swinney 2009-6-2 11013 Los Angeles East slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  CDA20468  Pinus pinea M. O'Brien 2004-3-14 MOB 2 -04 Los Angeles Transverse Ranges; 0.2 mi W of where Stunt Rd crosses Cold Creek in Calabasas, downhill from Stunt Rd by a drainage culvert. 0 Comment
  RSA382809  Piperia cooperi Elbert Benjamine 1929-5-29 185 Los Angeles San Dimas Canyon, San Gabriel Mountains. Comment
  UCR209951  Piptatherum miliaceum R. G. Swinney 2008-7-12 9174 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  LA81972  Plagiobothrys acanthocarpus O. H. Kappler; 1944-4-2 570 Los Angeles SANTA MONICA MOUNTAINS, upper Zuma Canyon, near summit of Mulholland Hwy. 609 Comment
  SBBG63859  Plagiobothrys arizonicus R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  SEINET3152899  Plagiobothrys arizonicus var. catalinensis G. B. Grant, W. Wheeler 1904-4-21 996 Los Angeles Santa Catalina Island, Pacific Ocean, off southern California. Comment
  CATA1950  Plagiobothrys canescens 1904-4-1 6156 Los Angeles Santa Catalina Island 0 Comment
  UCR192015  Plagiobothrys leptocladus A. C. Sanders 2008-4-16 34911 Los Angeles Tehachapi Mtns. Foothills/ W Mojave Desert, west end of Antelope Valley, 0.3 mi. north of Hwy 138 on the east side of the cement plant road, 0.8 mi. E of Quail Lake 1020 Comment
  POM61303  Plantago erecta C. F. Baker 1903-5-5 4736 Los Angeles Claremont. Comment
  UCR45029  Plantago indica A. C. Sanders 1986-7-30 6814 Los Angeles Pacific Slope, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr., east of Vista Del Mar Blvd 31 Comment
  JEPS7125  Plantago lanceolata Elizabeth Day Palmer 1908-7-28 Los Angeles Los Angeles Comment
  RSA584957  Plantago major Tim S. Ross, S. D. Boyd 1990-6-1 2774 Los Angeles Magnetic Springs: in Moody Canyon (ca. 2.15 air-miles NW of Mt. Gleason). 1195 Comment
  CDA6619  Plantago major Phillipson 1915-6-8 Los Angeles Lower Arcadia. Comment
  RSA412574  Plantago major Anstruther Davidson 1891-1 s.n. Los Angeles Los Angeles. Comment
  RSA747445  Platanthera Richard G. Swinney 2001-9-15 8142 Los Angeles Lily Spring, N slope of Mt. Hawkins , 7.5 air miles W SW of Wrightwood, 2561 Comment
  JEPS64467  Platanthera sparsiflora Frank W. Peirson 1919-6-15 505 Los Angeles Rock Creek San Gabriel Mountains 1295 Comment
  RSA641657  Pluchea odorata R. F. Thorne 1974-9-12 45098 Los Angeles Santa Catalina Island. Middle Ranch Canyon at ranch near Thompson Reservoir 213 Comment
  RSA0015839  Pluchea odorata var. odorata LeRoy Gross, Evan Meyer, Bart O'Brien 2013-10-17 6211 Los Angeles Hansen Dam flood control basin, Big Tujunga wash, between foothill Blvd. and Wentworth street. West of the 210 freeway. Collected short distance east and west, just south of Orcas Park, off Orcas Ave. 315 Comment
  UC185565  Poa howellii T. S. Brandegee 1890-5-16 Los Angeles Catalina Isl Comment
  RSA258397  Poa pratensis C. W. Tilforth 1974-6-15 973 Los Angeles Found only at Home Demonstration Garden, probably brought in with purchased soil Comment
  RSA0108887  Poa secunda R. G. Swinney 2010-5-21 12878 Los Angeles San Gabriel Mountains: unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1299 Comment
  RSA587753  Poa secunda Timothy S. Ross 1991-4-27 4622 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
  RSA732935  Poa secunda R. G. Swinney 1998-7-8 6333 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  CAS-BOT-BC247055  Poa secunda subsp. juncifolia John Roos; Lucille Roos 1951-5-27 5055 Los Angeles Flats between Lancaster and Rosamond, Mojave Desert 701 Comment
  LA12540  Poa secunda subsp. secunda LeRoy Abrams; 1903-3-8 3105 Los Angeles near Inglewood Comment
  RSA0025273  Poa secunda subsp. secunda Justin M. Wood 2012-3-20 4642 Los Angeles San Dimas. San Jose Hills: Walnut Creek Canyon, +/- 0.5 mi NW of Puddingstone Reservoir, +/- 0.25 mi E of SR-57, just north of San Dimas Ave. and just S. of Cliffside Dr. 229 Comment
  RSA709680  Poa secunda subsp. secunda LeRoy Gross 2005-4-28 2156 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. Than dropped off ridge into canyon bottom back to origin. 1235 Comment
  SFV21418  Polycarpon tetraphyllum L. Gross, M. Denslow, B. Hogshead, S. Swartzentruber 2003-6-17 1034 Los Angeles Verdugo Mountains South side of Verdugo Mountains. West side of Brand Canyon just a short distance above the cemetery. Shady canyon site, next to stairs that go up to an old foundation. 307 Comment
  RSA332056  Polygonum arenastrum Wayne E. Sawyer 1981-7-18 101 Los Angeles SAN GABRIEL MTNS., ANGELES NATIONAL FOREST: CA Hwy 2 between Dawson Saddle and junction of CA Hwy 39, 1.6 mi. from Dawson Saddle. 2302 Comment
  RSA158272  Polygonum aviculare Peter H. Raven 1962-4-12 17343 Los Angeles Nears docks, Wilson Cove; San Clemente Island. 15 Comment
  UCR206510  Polygonum hydropiperoides A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36951 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  UCR209303  Polygonum hydropiperoides A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36939 Los Angeles San Gabriel Valley, San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gab. Riv. greenway, along the Edison powerlines 71 Comment
  RSA466372  Polygonum punctatum H. de Forest 1932-8-10 s.n. Los Angeles Verdugo Woodlands, Glendale Comment
  CHSC8330  Polypodium californicum Edward L. Smith 1957-5-30 12 Los Angeles Located at Little Dalton Canyon, San Gabriel Mts. 365 Comment
  UC399459  Polypodium californicum C. F. Millspaugh 1920-1-7 4556 Los Angeles Pebbly Beach; Santa Catalina Isl. Comment
  UCR207627  Polypodium californicum O. F. Clarke 2004-4-27 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco near Pasadena Comment
  POM12210  Polypodium californicum M. L. Kendall 1921-2-11 56 Los Angeles Fish Canyon. Comment
  UCSB62375  Polypodium californicum Kiefer, Lawrence 1967-2-19 Los Angeles San Gabriel Mtns., SE of Newhall, Coyote Canyon, tributary of Placerita Canyon, ca. 0.25mi down from US Forest Service Road 1158 Comment
  UCSB62517  Polypodium californicum Kiefer, Lawrence 1966-3-27 Los Angeles Santa Monica Mtns., Temescal Cyn., ca. 3 mi fron Sunset Blvd. in the canyon. 274 Comment
  CATA805  Polypogon interruptus Mark L. Hoefs, Robert Given 1991-6-12 1377 Los Angeles Santa Catalina Island: Near junction of road between Middle Canyon and Bulrush and road to Camp Cactus 228 Comment
  RSA600147  Polypogon interruptus Steve Boyd, Lauren Raz 1997-5-6 9738 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  RSA723320  Polypogon interruptus LeRoy Gross, Casey Schnyder 2007-5-21 2743 Los Angeles Southern front of the mountains. Along Van Tassel Road (1N36). Road survey for the National Forest. 274 Comment
  UCD91391  Polypogon monspeliensis Ernest C. Twisselmann 1964-5-7 9371 Los Angeles At the south end of Rogers Lake, Edwards Air Force Base. 609 Comment
  RSA582048  Polypogon viridis L. C. Wheeler 1933-12-24 2335 Los Angeles San Dimas Canyon Dam, San Gabriel Mountains 427 Comment
  RSA693290  Polystichum imbricans subsp. curtum F. R. Fosberg 1931-8-10 R 117 Los Angeles Lower Pine Flats, First Camp, N fork San Gabriel Canyon 1500 Comment
  CAS-BOT-BC102552  Populus fremontii L. R. Abrams 1910-2-25 4323 Los Angeles Soledad Canyon near Acton Comment
  UCR191177  Populus fremontii R. G. Swinney 1999-6-28 7462 Los Angeles San Gabriel Mtns./Mojave Desert, Graham Canyon, south of Mescal Highlands Rd. 1494 Comment
  LA33813  Populus fremontii subsp. fremontii Peter H. Raven; Henry J. Thompson 1959-10-14 14639 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, E-end 220 Comment
  UC433166  Populus trichocarpa I. Johnston 1917-7-3 1447 Los Angeles Upper San Antonio Canyon 2286 Comment
  UC1260171  Potamogeton pectinatus Robert F. Thorne and D. Propst 1974-9-10 45116 Los Angeles Big Spring Reservoir; Santa Catalina Island 762 Comment
  CAS-BOT-BC143082  Potentilla anserina subsp. pacifica Ernest Braunton 1902-6-8 455 Los Angeles Ballona Comment
  POM574  Potentilla anserina var. grandis I. M. Johnston 1911-6-10 1336 Los Angeles Ballona Creek, near Mesmer. Comment
  SBBG72533  Potentilla biennis R. Hoffmann 1927-6-12 Los Angeles near Chandler's Comment
  RSA165685  Potentilla gracilis var. fastigiata Wesley O. Griesel 1963-7-11 832 Los Angeles Big Pines, San Gabriel Mountains. 2073 Comment
  UC1128354  Prunus fasciculata H. A. Jensen 1933-5-9 295 Los Angeles NW of Shoemaker (Rock Creek) 1185 Comment
  RSA34905  Prunus fasciculata var. fasciculata D. F. Howe 1947-5-6 s.n. Los Angeles North face San Gabriel Mountains. Comment
  CAS-BOT-BC154940  Prunus ilicifolia C. B. Wolf; P. C. Everett 1937-10-19 9376 Los Angeles Placerita Canyon, along Placerita Creek, 1 mi. E. of Newhall 396 Comment
  PASA1182  Prunus ilicifolia M. Stason 1931-4-18 Los Angeles San Gabriel Canyon Comment
  RSA23553  Prunus ilicifolia Carl B. Wolf 1939-12-28 9547 Los Angeles Mint Canyon, 1 mi. above junction with Soledad Canyon. 457 Comment
  RSA724441  Prunus ilicifolia K. Dobry 1991-6-13 d- 694 Los Angeles Santa Monica Mts. Las Virgenes and Mulholland Hwy at Soka Univ. Comment
  RSA650190  Prunus ilicifolia subsp. ilicifolia Lori Ackerman, Gerald Braden 1988-4-22 4 Los Angeles North end of West Fork River, San Gabriel Mountains. Comment
  RSA724443  Prunus ilicifolia subsp. ilicifolia K. Dobry 1992-4-9 d- 347 Los Angeles West Santa Monica Mts. along E Arroyo Sequit 5 mi No. of Pacific Coast Hwy. At camp Shalom. Comment
  UCR178855  Prunus ilicifolia subsp. ilicifolia LeRoy Gross 2003-3-9 798 Los Angeles Transverse Ranges, San Rafael hills, southwest side. A west-east trending ridge southwest of Flint Peak. Near Mount Carmel Drive, east of the Glendale Fwy (2), between Chevy Chase Drive (Sycamore Canyon) to the north, and Glenoak Blvd. (Scholl Canyon) to the south 354 Comment
  RSA86867  Prunus lyonii F. W. Peirson 1907-7-1 699 Los Angeles Catalina Island. Comment
  CAS-BOT-BC154781  Prunus virginiana var. demissa Le Roy Abrams; E. A. McGregor 1908-7-3 620 Los Angeles North Baldy Mountain, San Gabriel Mountains 1828 Comment
  RSA0041747  Prunus virginiana var. demissa Tim S. Ross 1990-8-17 3180 Los Angeles San Gabriel Mountains: S side of Prairie Fork, in the vicinity of Columbine Spring. 2183 Comment
  CATA1610  Pseudognaphalium biolettii Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Janet Takara 1998-5-1 2880 Los Angeles Santa Catalina Island: Ridge to Whitley's Peak 384 Comment
  CATA607  Pseudognaphalium biolettii Mark L. Hoefs 1991-4-8 1054 Los Angeles Santa Catalina Island: Upper Avalon Canyon, below Wrigley Memorial, near drainage channel 143 Comment
  CATA992  Pseudognaphalium biolettii Mark L. Hoefs 1994-5-21 1866 Los Angeles Santa Catalina Island: Near Renton Mine Road 195 Comment
  POM6749  Pseudognaphalium biolettii P. A. Munz, S. Williams 1919-3-8 2298 Los Angeles Pomona. Comment
  SBBG127520  Pseudognaphalium biolettii M. L. Hoefs, R. F. Thorne 1996-4-6 2608 Los Angeles Pebbly Beach 6 Comment
  RSA527763  Pseudognaphalium biolettii Steve Boyd, L. Arnseth 1990-4-8 4328 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  CATA784  Pseudognaphalium californicum Mark L. Hoefs 1991-6-5 1346 Los Angeles Santa Catalina Island: Hill above Hamilton Cove 91 Comment
  UCR258787  Pseudognaphalium californicum R. G. Swinney 2010-5-25 12963 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
  SEINET4007018 Image available Pseudognaphalium leucocephalum L. A. Greata 1900-1 11 Los Angeles Seco Wash. Comment
  CAS-BOT-BC357299  Pseudognaphalium microcephalum Peter H. Raven 1957-9-21 11329 Los Angeles At n.w. end of U.C.L.A. campus, Los Angeles Comment
  SFV15554  Pseudognaphalium microcephalum R. K. Stachelek 1992-4-14 25 Los Angeles Santa Susana Mountains Los Angeles, Northridge. Along fence at entrance to Eddleston Park on Reseda Blvd. 400 Comment
  SJSU10058  Pseudognaphalium microcephalum A. L. Horton 1961-5-14 Los Angeles Eagle Rock Hills, Los Angeles 213 Comment
  CAS-BOT-BC357301  Pseudognaphalium microcephalum Geo. L. Moxley 1927-5-1 s.n. Los Angeles La Crescenda Comment
  CAS-BOT-BC357627  Pseudognaphalium stramineum Geo. B. Grant 1904-3-31 s.n. Los Angeles Pasadena Comment
  UC206246  Pseudognaphalium stramineum Katharine Brandegee Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC80066  Pseudotsuga macrocarpa Victor Duran 1933-7-27 s.n. Los Angeles Little Rock Creek, San Gabriel Mountains 1676 Comment
  SFV17276  Pseudotsuga macrocarpa J. N. Hogue, E. L. Waian 1998-1-2 97 1 Los Angeles San Gabriel Mountains Angeles National Forest, near Strawberry Spring. 0.5 miles east of Strawberry Peak. 1463 Comment
  RSA393781  Psilocarphus tenellus Anstruther Davidson 1890-07 s.n. Los Angeles Los Angeles Comment
  UCD135323  Psilocarphus tenellus M. Vincent 1965-5-27 658 Los Angeles Santa Monica Mountains. Mulholland Highway. 2 miles west of Las Virgines Road. Comment
  UC625078  Pteridium aquilinum var. pubescens F. R. Fosberg 1931-5-7 S 4834 Los Angeles right fork Cottonwood Canyon; Santa Catalina Isl 200 Comment
  UCR217437  Pteris vittata R. G. Swinney 2009-2-26 10037 Los Angeles San Gabriel Mtns., Monrovia Canyon Wilderness Park from park entrance to Monrovia Canyon Falls 534 Comment
  UCR209919  Pterospora andromedea R. G. Swinney 2008-7-16 9268 Los Angeles San Gabriel Mtns., Burkhart Trail on south side of Cooper Creek Canyon, 1.4 mi. NE of Burkhart Trailhead parking lot, west of Buckhorn Canyon 1756 Comment
  SD69669  Pterostegia drymarioides Robert F. Thorne, P. C. Everett 1965-6-22 34844 Los Angeles Santa Catalina Island, Renton Mine area 244 Comment
  SD230247  Pycnanthemum californicum Louis C. Wheeler 1970-9-10 Los Angeles San Gabriel Mountains: south Fork Alder Gulch 1676 Comment
  UC1587670  Pycnanthemum californicum Tim Ross 1991-8-14 5794 Los Angeles Pacifico Mtn Rd 3200 ft nw Alder Saddle; San Gabriel Mtns., Chilao Flat Quad., Pacifico Mtn Rd 1767 Comment
  UCR269141  Pycnanthemum californicum Orlando Mistretta 1990-8-8 s.n. Los Angeles San Gabriel Mountains, Big Cienega 2012 Comment
  CAS-BOT-BC45825  Quercus F. Grinnell Jr. 1917-9-12 s.n. Los Angeles Pasadena Comment
  JEPS93445  Quercus E. R. Blakley 1962-10-5 5464 Los Angeles Middl Ranch Corral in Middle Ranch Canyon (Santa Catalina Island); California Channel Islands, Santa Catalina Island 198 Comment
  RSA450193  Quercus agrifolia A. R. Roos 1937-12-15 s.n. Los Angeles Sepulveda Canyon Comment
  UCD45097  Quercus agrifolia var. agrifolia Donald R. Bissing 1973-6-2 135 Los Angeles Evey Canyon, San Gabriel Mountains. Alt. 2320 ft. 707 Comment
  RSA708610  Quercus berberidifolia Valerie L. Soza, Leland Lubinsky 2001-5-16 1224 Los Angeles Northern San Rafael Hills: Liz's Loop (Edison Road) to Cherry Canyon Fire Road. 457 Comment
  UC1870139  Quercus berberidifolia LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 295 Los Angeles Verdugo Mountains: Hostetter Mountainway, Near 34° 13' 37.7'' N 118° 16' 47.5'' W. Elev. 2100 Feet. 640 Comment
  UCD170504  Quercus berberidifolia D. O. Burge 2017-4-3 2238 Los Angeles Santa Monica Mountains, Rocky Oaks Dam. 530 Comment
  UCR111524  Quercus berberidifolia A. C. Sanders, D. Malueg 1998-6-22 22035 Los Angeles San Gabriel Mtns., La Canada, SCE Gould Substation off Hwy 2, Gould Canyon 595 Comment
  UCSB34829  Quercus berberidifolia Lloyd, Robert 1959-3-24 Los Angeles At Oak Flats Fire Station, 10 mi. north of Castaic, Calif, on U.S. Hwy. 99, Tehachapi Mts. 822 Comment
  NY42617  Quercus chrysolepis J. B. Walker 1995-3-30 1303 Los Angeles Angeles National Forest, Ridge Rt USFS 8N04, 11km S of Hwy 138 1300 Comment
  RSA773970  Quercus chrysolepis R. G. Swinney 2009-7-29 11433 Los Angeles Pacifico Mountain summit. 2134 Comment
  UC148018  Quercus chrysolepis C. F. Baker 1909-3-20 5240 Los Angeles near Claremont Comment
  CAS-BOT-BC86365  Quercus dumosa Dr. H. E. Hasse A Los Angeles Sierra Santa Monica Comment
  RSA476764  Quercus durata var. gabrielensis Bonnie C. Templeton 1929-12-15 1447 Los Angeles Arroyo Seco, near Camp Switzers. 900 Comment
  RSA702911  Quercus durata var. gabrielensis Scott D. White, Michael Honer 2004-6-30 10546 Los Angeles San Gabriel Mountains: Mt. Baldy (town). Along Glendora Ridge Rd. ca. 0.25 mile SW of jtn. w/ Mt. Baldy Rd. 1311 Comment
  UCSB60797  Quercus john-tuckeri Muller, Cornelius 1945-3-20 Los Angeles 3 1/2 mi. S of Gorman Comment
  UCD46908  Quercus lobata Bruce M. Pavlik 1976-12-24 s.n. Los Angeles Near the intersection of Mulholland Highway and old Topanga Canyon Road- Calabasas High School, 1.7 miles southeast of Calabasas Los Angeles County, California. 304 Comment
  SBBG43930  Quercus tomentella M. R. Benedict 1971-6-26 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  SD69514  Quercus tomentella Robert F. Thorne 1966-4-5 35823 Los Angeles Santa Catalina Island, Cape Canyon 274 Comment
  RSA0110912  Quercus wislizeni Richard G. Swinney 2011-9-22 15685 Los Angeles San Gabriel Mountains: SE side of Camp Colby (colby Ranch), Colby Grave marker, confluence of Inspiration Cyn. & Coldwater Cyn., near spring & watertank. 1140 Comment
  RSA87153  Quercus wislizeni var. frutescens F. W. Peirson 1919-5-10 403 Los Angeles Trail from Arraster [Arrastre] Creek to Mt. Gleason, San Gabriel Mts 1524 Comment
  SBBG83774  Quercus wislizeni var. frutescens R. Hoffmann 1927-6-14 Los Angeles Chandler's, Ridge Route Comment
  SEINET7143814  Quercus wislizeni var. frutescens Timothy S. Ross, Steve Boyd 1994-9-21 8305 Los Angeles Liebre Mountain: Upper west summit area on broad northerly ridge extending northward toward Tentrock Canyon drainage; ca 340-460 m ENE of Sandberg Triangulation Point (5345-ft). Liebre Mountain 7.5' USGS Quadrangle.; 0 1606 Comment
  CATA3328  Rafinesquia californica Amy Catalano 2017-4-13 045 Los Angeles Santa Catalina Island: Edge of small rivulet about 170 meters SW of junction of Silver Peak and Water Tank roads 291 Comment
  UCR126568  Rafinesquia californica A. C. Sanders, Andy Thomson 2003-4-15 25988 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1000 ft. south of Magic Mountain theme park 396 Comment
  LA52188  Ranunculus californicus A. M. Johnson; 1928-2-16 126 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  RSA399382  Ranunculus californicus R. S. Woglum 1932-4-1 s.n. Los Angeles North Hollywood Comment
  RSA83928  Ranunculus californicus F. W. Peirson 1918-4-28 1871 Los Angeles Turnbull Canyon near Whittier, Puente Hills. Comment
  UC1364337  Rhamnus H. H. Rudy 1909-8-22 Los Angeles Monrovia Comment
  CAS-BOT-BC59843  Rhamnus ilicifolia Peter H. Raven; Robert F. Thorne 1964-5-7 18999 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  SD90210  Rhamnus ilicifolia Benjamin C. Stone March 1953 289 Los Angeles Chaparral above San Gabriel dam area, San Gabriel Mountains 1096 Comment
  SEINET13946338 Image available Rhamnus ilicifolia Peter H. Raven, Henry J. Thompson 1959-1 13916 Los Angeles Santa Monica Mountains. 34 deg. 05' N, 118 deg. 39' W. Saddle PeakElev 2750 ft 838 Comment
  HSC35979  Rhamnus ilicifolia Thomas W. Nelson, Jane Nelson 1975-8-19 2177 Los Angeles Beside Hwy. 5, just west of junction with Hwy. 138 Comment
  CAS-BOT-BC59784  Rhamnus pirifolia Robert F. Thorne; P. C. Everett 1964-2-6 33291 Los Angeles Santa Catalina Island. Above Fourth of July Cove. 30 Comment
  CAS-BOT-BC59825  Rhamnus pirifolia Carl B. Wolf 1932-5-10 3503 Los Angeles Santa Catalina Island. Avalon Canyon, agbove last almond orchard. 121 Comment
  UC1602367  Rhamnus pirifolia unknown May 1889 Los Angeles Catalina Island Comment
  SBBG12015  Rhus integrifolia E. R. Blakley 1962-1-7 4834 Los Angeles head of Avalon Valley 152 Comment
  UCSB3632  Rhus integrifolia Ballard 1954-2-16 Los Angeles In a wash on Pomona College Campus, Claremont 259 Comment
  RSA386376  Rhus ovata I. W. Clokey, B. Templeton 1929-04 4431 Los Angeles Mandeville Canyon, Santa Monica Mountains 200 Comment
  RSA535894  Rhus ovata T. S. Ross 1991-9-2 5938 Los Angeles near Mulholland Hwy at Yerba Buena Rd. 541 Comment
  UC535360  Rhus trilobata Ira W. Clokey, B. Templeton Apr. 1929 4451 Los Angeles Mandeville Canyon; Santa Monica Mountains 350 Comment
  CAS-BOT-BC92298  Ribes amarum Geo. B. Grant 1906-2-21 6593 Los Angeles Sierra Madre. Old Wilson Trail. Comment
  CAS-BOT-BC92302  Ribes amarum P. Parnay Mar. 31 31 Los Angeles Santa Anita Canon [Canyon]. Comment
  RSA0068238  Ribes aureum R. G. Swinney 2010-3-10 11841 Los Angeles FS Road 3N59 (Santa Clara Truck Trail), west of Whitney Canyon, 0.2-0.5 mi. ESE of ride-share parking lot at Hwy 14 and Newhall Ave. 470 Comment
  RSA0082566  Ribes aureum R. G. Swinney 2010-4-30 12464 Los Angeles near Sylmar, Wilson Canyon Park, 0.67 miles east of Wilson Cyn. Debris Basin on south side of the ridge south of the southern of the two eastern forks of Wilson Cyn. 616 Comment
  CAS-BOT-BC92435  Ribes aureum var. gracillimum Louis C. Wheeler 1932-2-12 445 Los Angeles San Gabriel Wash. 106 Comment
  RSA279074  Ribes aureum var. gracillimum Robert F. Thorne 1971-4-9 41527 Los Angeles Angeles National Forest: below entrance to wooded area of San Dimas Canyon near San Dimas Creek. 381 Comment
  RSA476425  Ribes aureum var. gracillimum Fay A. MacFadden 1931-3-17 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  SFV9214  Ribes aureum var. gracillimum J. H. Lane 1972-3-4 55 Los Angeles San Fernando Valley Big Tujunga wash near Sunland. Western edge by Foothill Blvd. and Conover Road. Comment
  UCR100062  Ribes aureum var. gracillimum R. G. Swinney 1969-3-11 309 Los Angeles Los Angeles Basin; San Gabriel Valley, NE corner of Arrow Hwy and Live Oak Ave., Irwindale 130 Comment
  CAS-BOT-BC93402  Ribes cereum Le Roy Abrams; E. A. McGregor 1908-7-3 619 Los Angeles North Baldy Mountain, San Gabriel Mountains. 2743 Comment
  RSA0115957  Ribes cereum R. G. Swinney 2010-9-21 13853 Los Angeles San Gabriel Mountains; summit of Mt. Hawkins, at north end of Copter Ridge. 2683 Comment
  RSA776523  Ribes cereum var. cereum Jane Tirrell, Graham Bothwell 2011-6-10 LS- 10 Los Angeles North side of Highway 2 on west bank above Big Rock Creek darinage. 2334 Comment
  RSA0025040  Ribes indecorum A. C. Sanders 2003-3-14 25784 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd., north edge of 210 freeway east of the San Gabriel River channel. 159 Comment
  RSA476172  Ribes indecorum Louis C. Wheeler 1932-1-31 440 Los Angeles foothills San Gabriel Mts. 1 mi. E Palmer Canyon. 609 Comment
  UCR198325  Ribes indecorum Gary Kovnat, LeRoy Gross 2003-1-19 03 Los Angeles Transverse Ranges; San Gabriel Mountains region, Angeles National Forest, Gold Creek Ecological Preserve, south terrace south descending trail Comment
  CAS-BOT-BC173422  Ribes malvaceum T. Craig; W. Simonds 1927-4-30 233 Los Angeles Fern Canyon, near Brown's Flats, San Antonio Mts. Comment
  RSA670432  Ribes malvaceum I. W. Clokey, Bonnie C. Templeton 1929-05 4493 Los Angeles Mandeville Canyon, Santa Monica Mountains. 500 Comment
  UCSB17129  Ribes malvaceum var. malvaceum Vernand, Ramona 1963-3-15 Los Angeles 36 miles northwest of Santa Monica via U.S. Highway 101 alternate; 1.5 miles north on Decker Canyon Road Comment
  RSA630275  Ribes malvaceum var. viridifolium LeRoy Gross 1999-2-25 121 Los Angeles Verdugo Mountains: Along dirt road called Hostetler Mountain Way, right across La Tuna Canyon exit coming east bound on 210 freeway 701 Comment
  RSA0021940  Ribes montigenum I. M. Johnston 1917-7-4 1415 Los Angeles Summit of Baldy. San Antonio Mountains. 3049 Comment
  RSA588080  Ribes nevadense Orlando Mistretta 1994-6-1 1297 Los Angeles San Gabriel Mtns, Santiago Canyon, Pacifico Mtn, near top of Santiago Canyon. 1677 Comment
  RSA233455  Ribes roezlii Robert F. Thorne 1968-11-9 37859 Los Angeles Angeles National Forest On summit crest of Mt. Williamson. 2500 Comment
  RSA476237  Ribes roezlii F. R. Fosberg 1971-8-12 S 5564 Los Angeles Buckhorn trail, NW ridge Mt. Islip. 2140 Comment
  CAS-BOT-BC186157  Ribes roezlii var. roezlii A. D. E. Elmer 1902-6-1 3604 Los Angeles Acton, Mt. Gleason Comment
  SEINET3151844  Ribes speciosum G. B. Grant 1127 Los Angeles Pasadena Comment
  SEINET3151846  Ribes tenuiflorum G. B. Grant, W. Wheeler 1904-5-7 1128 Los Angeles Glendora Comment
  CATA13  Ribes viburnifolium Eric T. Johnson 1987-6-16 3 Los Angeles Santa Catalina Island: Between Cherry and Fourth of July Cove, north exposure 74 Comment
  RSA0060882  Ricinus communis R. G. Swinney 2010-8-16 13563 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA480740  Ricinus communis L. C. Wheeler 1936-6-21 4168 Los Angeles Cobal Canyon 670 Comment
  RSA603398  Ricinus communis L. C. Wheeler 1975-6-15 s.n. Los Angeles San Gabriel Mountains Region: Big Tujunga Wash at Foothill Blvd. 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
  CAS-BOT-BC434242  Rigiopappus leptocladus A. C. Sanders 2007-4-19 33425 Los Angeles Tehachapi Mtns. Foothills: hills north of Oso Canyon and south of the National Cement Plant. 1098 Comment
  RSA279083  Robinia pseudoacacia R. F. Thorne 1971-4-9 41518 Los Angeles San Gabriel Mountains, Angeles National Forest: San Dimas Canyon near dam on San Dimas Creek 457 Comment
  POM272410  Romneya coulteri George B. Grant 1901-6-7 s.n. Los Angeles Vermont Ave. Comment
  PASA2072  Rorippa nasturtium-aquaticum Sally Ellis 1939-4-7 Los Angeles Puddingstone dam Comment
  LA29341  Rosa californica Mary V. Hood; 1943-6-28 43 78 k Los Angeles 152 Comment
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Jun 26 2014
  POM2487  Rosa californica I. M. Johnston 1917-7-29 1590 Los Angeles San Antonio Mountains, San Antonio Canyon. 1601 Comment
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May 15 2007
  RSA160534  Rubus ursinus John Olmsted 1958-3-10 37 Los Angeles Along level bank of Liveoak Creek draining southwest and 3 miles N of Webb School and above Hill Ranch of Webb School and above Hill Ranch along fire road. NE of Claremont. 534 Comment
  SEINET4093704  Rubus vitifolius R. Moran 1941-1 685 Los Angeles Middle Ranch on Santa Catalina Island. 200 Comment
  RSA0030799  Rubus vitifolius Bonnie C. Templeton 1947-5-21 6281 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  POM214263  Rumex acetosella Louis C. Wheeler 1932-5-4 682 Los Angeles near UCLA campus, west Los Angeles. 137 Comment
  RSA716474  Rumex conglomeratus Scott D. White, Andrea Warniment 2006-7-7 11610 Los Angeles Gorman area, Gorman creek NE of the I-5 Freeway. SE Tehachapi Mts. 1037 Comment
  CAS-BOT-BC433574  Rumex hymenosepalus Lillian Mott 1974-4-15 30 LM74 Los Angeles 25 miles east of Lancaster and five miles east of Hi Vista 853 Comment
  CAS-BOT-BC433756  Rumex pulcher LeRoy Abrams 1902-5-31 2479 Los Angeles Inglewood. Comment
  CATA1974  Rumex salicifolius F. R. Fosberg 1931-4-29 4708 Los Angeles Santa Catalina Island: Cottonwood Canyon mouth 3 Comment
  RSA522462  Rumex salicifolius var. salicifolius Tim S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4042 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
  UCR141105  Ruppia maritima R. F. Thorne 1971-5-17 41353 Los Angeles Santa Catalina Island: Pond southeast of Isthmus 213 Comment
  UCR177462  Salazaria mexicana LeRoy Gross 2005-5-3 2222 Los Angeles Transverse Range; San Gabriel Mountains, west terminus of Holcomb Ridge, west of Big Rock Creek, along the east [and] NE side of hill. North of Fort Tejon Road, west of Valyermo Road [also T5N, R9W SW/4 sec. 31] 1215 Comment
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May 3 2013
  UCR197787  Salazaria mexicana Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 116 B Los Angeles Transverse Ranges; San Gabriel Mountains, north side of the mountains, right at the north end of Bob's Gap 1220 Comment
  SDSU5645  Salicornia subterminalis R. M. Beauchamp 1967-3-17 245 Los Angeles San Clemente Island. Comment
  CAS-BOT-BC103170  Salix bonplandiana Mrs. H. P. Bracelin; F. R. Fosberg 1931-10-11 568 Los Angeles Lower Topanga Canyon, Santa Monica Mountains 15 Comment
  UCR260015  Salix exigua R. G. Swinney 2010-4-1 12152 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  LA208745  Salix laevigata Carl Hedin; Joseph Ewan 1932-4-30 7645 Los Angeles Along stream from Baldwin Hills near Higuera Road, Culver City [Area 2] Comment
  RSA12346  Salix laevigata Fay A. MacFadden 1933-05 10999 Los Angeles Verdugo Mountains: Tujunga Wash, Stonehurst. Comment
  SEINET12003260  Salix lasiandra E. A. Purer 1935-1 6583 Los Angeles Ventura Blvd, near Calabasa Comment
  CATA3193  Salix lasiolepis Julia Parish, Margie Pfeffer 2016-8-18 005 Los Angeles Santa Catalina Island: Up drainage on south side of West End Rd., about 60 meters west of junction with Parsons Landing Rd. 68 Comment
  CHSC95343  Salix lasiolepis LeRoy Gross 2002-3-7 490 Los Angeles Los Angeles Basin; Verdugo Mountains Region: North side; Off La Tuna Canyon Road, Santa Monica Mountains Conservancy Land. south of 210 Freeway. Side canyon off of La Tuna Canyon. 579 Comment
  LA208807  Salix lasiolepis Carl Hedin; Joseph Ewan 1933-6-29 7672 Los Angeles Ballona Creek at Ballona Marshes [Area 4] Comment
  RSA305934  Salix lasiolepis Fay A. MacFadden 1934-2-21 12433 Los Angeles Culver City. Comment
  UCR178804  Salix lasiolepis R. G. Swinney 1989-6-24 s.n. Los Angeles San Gabriel Mtns., Little Dalton Canyon 427 Comment
  UCR256479  Salix lasiolepis R. G. Swinney 2010-6-8 13203 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail 573 Comment
  RSA0034691  Salix lasiolepis F. R. Fosberg 1932-1-26 7172 Los Angeles Between Calabasas and Agoura. 285 Comment
  CAS-BOT-BC107529  Salix lasiolepis var. lasiolepis S. Y. Parnay Mar. 202 Los Angeles Santa Monica [Canon] Canyon Comment
  RSA595791  Salsola tragus Steve Boyd, Lauren Raz 1996-10-8 9024 Los Angeles Liebre Mountains region, rugged hills at eastern edge of Bouquet Canyon, south of Vasquez Canyon and northwest of Cruzan Mesa, along Vasquez Canyon Road, ca. 0.9 miles east of junction with Bouquet Canyon Road. 524 Comment
  CDA3219  Salsola tragus R. E. Riefner Jr. 2007-2-11 Jul- 50 Los Angeles City of Santa Fe Springs, near Alondra Street and Carmentia Street; south of Firestone Blvd. Comment
  RSA424329  Salvia apiana William Emboden 1970-6-12 9 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  UCLA86109  Salvia clevelandii W. A. Emboden Jr. 1962-6-1 2063 b Los Angeles U.C.L.A. Botanical Garden Comment
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Nov 23 2015
  RSA251469  Salvia columbariae Robert F. Thorne 1973-4-11 42830 Los Angeles San Clemente Island: upper part of Norton Canyon. 274 Comment
  RSA0034921  Salvia dorrii A. Lee Haines 1968-3-30 s.n. Los Angeles 6 miles S of Gorman. 1127 Comment
  CAS-BOT-BC224950  Salvia dorrii var. pilosa David Dreyer 1968-4-6 s.n. Los Angeles On north edge of San Gabriel Mts. 1493 Comment
  LA69668  Salvia dorrii var. pilosa Carl Epling; L. Ellison 1930-4-17 sn Los Angeles Palmdale Comment
  LA82016  Salvia leucophylla Robert L. Dressler; 1949-5-1 762 Los Angeles 18 Comment
  NY43071  Salvia leucophylla J. B. Walker 1995-3-31 1308 Los Angeles Angeles National Forest, 5km E of Castaic, along USFS Rd 5N17 500 Comment
  CAS-BOT-BC229500  Salvia mellifera Timothy S. Ross; J. Mark Porter 1995-5-4 8409 Los Angeles Liebre Mountains. Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road 585 Comment
  PASA487  Salvia mellifera Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  RSA0031728  Salvia mellifera Dana Roche 1998-5-3 4 Los Angeles Mt. Baldy Road 1.9 miles from intersection of Mills Ave. and Mt. Baldy Rd. East side of the road. 597 Comment
  RSA302283  Salvia mellifera Lyman Benson 1957-5-23 15731 Los Angeles Webb School, above Claremont. 488 Comment
  RSA434130  Salvia mellifera Betty Munson 1940-4-21 s.n. Los Angeles Bouquet Canyon. Comment
  RSA580985  Salvia mellifera Catherine A. Mish 1995-3-4 10 Los Angeles Santa Susana Mtns, Eddleston Park 400 Comment
  SD258938  Salvia mellifera Sarah J. De Groot, Newton Wong, et al 2016-7-7 7975 Los Angeles San Gabriel Mountains, Angeles National Forest; northwest of Hoot Owl Flats, above San Gabriel Reservoir and North Fork of San Gabriel River. West of Highway 39 at mile post 28.5; FSR 2N14, ca. 0.2 mile from highway. 586 Comment
  SFV22123  Salvia mellifera V. Soza, L. Gross, B. Hogshead 2001-4-26 1181 Los Angeles Verdugo Mountains Western mouth of La Tuna Canyon on north side of canyon. Trail from Tuxford Street and Ledge Ave. to ridgetop on north side of McDonald Creek. Ridgetop. 396 Comment
  VVC3383  Salvia mellifera Tim Thomas 1973-5-1 18 Los Angeles Transverse Range, Santa Monica Mountains, upper Cold Creek Road. 267 Comment
  LA200595  Salvia spathacea Carl Epling; 1931-3-28 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  RSA477558  Sambucus mexicana E. S. Spalding 1931-8-1 s.n. Los Angeles near Manhattan Beach. Comment
  RSA764314  Sambucus mexicana Doris Bowers 1966-4-16 521 Los Angeles Malibu Canyon 91 Comment
  RSA0017028  Sambucus mexicana L. R. Abrams 1901-4-4 1326 Los Angeles Chatsworth Park. Comment
  SBBG45086  Sambucus nigra subsp. caerulea C. B. Wolf 1932-7-6 Los Angeles San Fernando Valley, Van Nuys Blvd 0.5 mi E of Pacoima Post Office 335 Comment
  LA200368  Sambucus nigra subsp. canadensis Jonathan Sauer; 1969-6-4 4582 Los Angeles SANTA MONICA MOUNTAINS, Rustic Canyon, lower, Pacific Palisades, edge of Annona orchard. Comment
  POM366641  Sanguisorba minor Louis C. Wheeler 1933-7-3 1891 Los Angeles Thompson Wash near La Verne. 378 Comment
  PASA1818  Sanicula Ruth M. Evans 1931-3-15 Los Angeles Lone Hill, Glendora Comment
  UCR64300  Sanicula arguta S. J. Myers 1990-4-3 s.n. Los Angeles Powder Canyon, in the City of La Habra Heights 245 Comment
  LA32974  Sanicula crassicaulis Carl Epling; 1931-5-2 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  UCR242035  Sanicula crassicaulis Dan S. Cooper 2012-4-30 412- 6 Los Angeles Santa Monica Mountains, Topanga, west end of Robinson Road/ Kim Trail, off North Topanga Canyon Blvd/Hwy 27 281 Comment
  UC1400363  Sanicula crassicaulis Robert F. Thorne 1971-4-2 41434 Los Angeles n of Mountain Avenue (San Gabriel Mts, Claremont, Johnson's Pastures); San Gabriel Mts, Claremont, Johnson's Pastures 548 Comment
  UC1598737  Sanicula tuberosa A. J. McClatchie 1893-3-30 3 Los Angeles Pasadena Comment
  UC1605250  Sanicula tuberosa Tim Ross, Steve Boyd 1993-5-23 7177 Los Angeles Clearwater Canyon, ca. 170-230 m WSW of Plum Spring Liebre Mountains 769 Comment
  RSA226525  Sanicula tuberosa C. W. Tilforth 1971-5-30 379 Los Angeles Claremont: Johnson s Pastures, hills north of Claraboya. Comment
  SEINET13945255 Image available Sanicula tuberosa Peter H. Raven, Henry J. Thompson 1959-1 13928 Los Angeles Just to east of Malibu Junction, Santa Monica Mountains; 800 ft. 34 deg. N, 118-119 deg. W 244 Comment
  RSA199201  Satureja douglasii Robert F. Thorne, D. Propst 1968-5-28 37647 Los Angeles Santa Catalina Island, Middle Bulrush Canyon. 244 Comment
  UC570722  Satureja mimuloides Dr. R. J. Dobbs 1924-7-8 5394 Los Angeles trail to Switzers Camp; San Gabriel Mts. Comment
  RSA458884  Saxifraga californica Ella M. Kennedy 1923-3-12 s.n. Los Angeles Arroyo Seco Comment
  RSA612289  Schinus molle L. C. Wheeler 1933-12-21 2334 Los Angeles W side mouth of Big Santa Anita Canyon. 335 Comment
  RSA585818  Schinus polygamus T. S. Ross, Steve D. Boyd 1989-4-27 s.n. Los Angeles Claremont: RSABG, on the E edge if Indian Hill Mesa amid plantings of native shrubs; clayey soil 405 Comment
  SBBG131586  Schismus arabicus S. A. Junak 2000-4-15 SCa 1227 Los Angeles E of Lone Tree, just inland from S-facing bluff top 402 Comment
  UCD92928  Schismus arabicus Robert F. Thorne 1966-6-2 36525 Los Angeles Santa Catalina Island.Between Moonstone and White Coves. 30 Comment
  UCR274093  Schismus arabicus Steven A. Junak 1999-5-20 SCa- 959 Los Angeles California Islands, Santa Catalina Island, base of paved road leading to top of Black Jack Peak 530 Comment
  POM156198  Schoenoplectus americanus Le Roy Abrams 1902-6-12 2537 Los Angeles Ballona Creek, near Mesmer. Comment
  RSA640895  Schoenoplectus americanus L. C. Wheeler 1967-7-23 10178 Los Angeles San Gabriel Mountains. Mojave Desert slope: pond 1/2 mi W from Barrel Springs, San Andreas Rift Zone. Comment
  SEINET7591827 Image available Schoenoplectus pungens Steve Boyd 1996-1 8826 Los Angeles LiLiebre Mountains, Castaic Creek drainage from Fish Canyon downstream to power plant, just north of upper end of Castaic Lake. 469 Comment
  UC1147889  Scirpus microcarpus Robert F. Thorne 1966-4-5 35809 Los Angeles below Stage Station sw Eagles Nest (small marsh along small stream in Middle Ranch Canyon); Santa Catalina Island, Middle Ranch Canyon, sw of Eagles Nes 76 Comment
  UCSB55387  Scirpus microcarpus Munz, Philip 1920-5-17 Los Angeles Topanga Canyon; Santa Monica Mtns. 152 Comment
  POM6798  Scrophularia californica subsp. floribunda Philip A. Munz, Street, Williams 1919-4-5 2442 Los Angeles Puddingstone Canyon. Comment
  CAS-BOT-BC238502  Scrophularia villosa Peter H. Raven 1962-5-21 17806 Los Angeles Santa Catalina Island: Camp Cactus Road just about turn to Camp Cactus, about 0.5 miles east of Carlos Comment
  CATA1060  Scrophularia villosa Mark L. Hoefs 1995-5-10 1993 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail, above #7 tee of golf course 97 Comment
  UCD125690  Scutellaria Tom Yutani 1995-8-10 s.n. Los Angeles La Mirada. Comment
  LA209597  Selaginella asprella Lawrence L. Kiefer; 1966-10-22 2465 Los Angeles San Gabriel Mountains, upper Little Rock Creek, ca. 3 mi down from junction of Burkhart and Rattlesnake trails 1523 Comment
  UC813001  Selaginella bigelovii Carl B. Wolf 1932-10-6 4246 Los Angeles w side of Avalon; Santa Catalina Isl. 91 Comment
  UCR61051  Selaginella bigelovii R. G. Swinney 1989-6-10 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon 396 Comment
  RSA683748  Selaginella bigelovii F. Raymond Fosberg 1931-5-7 R 96 Los Angeles Cottonwood Canyon, Santa Catalina Island 100 Comment
  POM6756  Senecio californicus P. A. Munz, L. T. Street, Williams 1919-3-15 2400 Los Angeles South Hills, Pomona. Comment
  HSC24326  Senecio flaccidus var. douglasii James Henrickson 1971-10-14 7187 Los Angeles NE Claremont along Padua Hills Rd. 457 Comment
  JEPS37279  Senecio flaccidus var. douglasii Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco Comment
  RSA639475  Senecio flaccidus var. douglasii Walter Wisura 5130 Los Angeles San Gabriel Mts.: 3.5 mi W of Cow Canyon Saddle on forestry rd off Glendora Ridgeroad. Comment
  UCR210411  Senecio flaccidus var. douglasii R. G. Swinney 2008-12-6 9976 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon west of Roberts Canyon on north side of San Gabriel River channel 229 Comment
  UC205604  Senecio flaccidus var. monoensis I. M. Johnston 1917-8-23 1678 Los Angeles Prairie Fork San Antonio Mountains, Prairie Fork (southern California) 1524 Comment
  CAS-BOT-BC341191  Senecio lyonii Reid Moran 1941-3-2 665 Los Angeles Point between Wilson's Harbor and Howland's, Santa Catalina Island Comment
  RSA661016  Senecio lyonii Orlando Mistretta 1992-4-5 156 Los Angeles Guds, San Clemente Island. Comment
  UCR187005  Senecio vulgaris A. C. Sanders 2006-4-10 32008 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
  UCR217340  Sesuvium verrucosum David Charlton 2009-9-7 s.n. Los Angeles Western Mojave Desert, Piute Ponds, Edwards Air Force Base, north of the spillway and 0.25 mi. south of Rosamond Dry Lake bed 713 Comment
  CAS-BOT-BC243538  Setaria italica unspecified 1916-8-1 s.n. Los Angeles unspecified Comment
  RSA447541  Sherardia arvensis Anstruther Davidson 1911-07 2863 Los Angeles Alhambra. Comment
  UC519999  Sherardia arvensis Louis C. Wheeler 1933-5-15 1914 Los Angeles San Gabriel 106 Comment
  POM250330  Sidalcea malviflora subsp. sparsifolia I. W. Clokey, C. B. Clokey, Bonnie C. Templeton 1930-5-13 4744 Los Angeles Bouquet Canyon. 800 Comment
  CAS-BOT-BC109433  Sidotheca caryophylloides R. F. Thorne; C. W. Tilforth; J. Dourley; R. Scoggin 1972-8-11 42211 Los Angeles San Gabriel Mountains. Angeles National Forest. Just below peak of Mount Waterman. 2438 Comment
  CAS-BOT-BC434370  Sidotheca trilobata Frank W. Peirson 1921-6-14 1783 Los Angeles Tujunga Canyon, San Gabriel Mts. 1280 Comment
  SBBG29896  Silene antirrhina L. C. Wheeler 1932-5-28 782 Los Angeles E side San Antonio Cyn SE of Hog Back 1280 Comment
  RSA592360  Silene gallica Mark L. Hoefs 1974-3-28 417 Los Angeles Santa Catalina Island: in upper Bullrush Canyon 251 Comment
  CAS-BOT-BC387021  Silene gallica Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-8 4240 Los Angeles Los Angeles; Racho Santa Ana Botanic Garden; San Clemente Island Comment
  CDA3465  Silene gallica T. S. Ross 1991-4-21 4543 Los Angeles Peninsular Ranges; Chino-Puente Hills region; Whittier Hills (Puente Hills, pro parte): Ridge on N side of Turnbull Canyon, T2S R11W, SW/4 NE/4 SW/4 NE/4 sect 15 (projected); elev c. 1000 ft. Comment
  UCD98643  Silene gallica Jack Delani; Barbara Shervanick 1974-5-23 205 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest; by edge of Johnstone Peak Road. 853 Comment
  CAS-BOT-BC174905  Silene laciniata F. Grinnell Jr. 1917-8-12 s.n. Los Angeles Big Santa Anita [Canon] Canyon, San Gabriel Mountains 1127 Comment
  CAS-BOT-BC174911  Silene laciniata L. R. A. 1901-6-6 1691 Los Angeles Los [Tunas Canon] Tuna Canyon, S. Monica Mts. Comment
  LA82450  Silene laciniata subsp. laciniata O. H. Kappler; 1940-5-12 8 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  LA94353  Silene laciniata subsp. laciniata A. M. Johnson; 1932-5-14 4066 Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon, Summit Decker Road. Comment
  SFV21408  Silene laciniata subsp. laciniata L. Gross, M. Denslow, B. Hogshead, S. Swartzentruber 2003-6-17 1047 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Brand Canyon above the large waterfall where the canyon forks off, near above coordinates. Smaller side canyon that branches off to the east of the main canyon. Side canyon narrows quickly to a bedrock waterfall (or seep). 519 Comment
  UCD98931  Silene laciniata subsp. laciniata Gerald Dickinson 1962-5-22 50 Los Angeles Topanga Canyon and Upper Robinson Road, Santa Monica Mountains. 304 Comment
  SD111577  Silene parishii var. latifolia Wayne P. Armstrong 1982-7-18 Los Angeles Steep talus slope northwest of Pine Mountain, San Gabriel Mountains. 2710 Comment
  RSA228962  Silene verecunda subsp. platyota R. F. Thorne 1971-8-25 41328 Los Angeles San Gabriel Mountains, Angeles National Forest: near Windy Spring on N slope of Mt. Islip 2256 Comment
  RSA332897  Silene verecunda subsp. platyota Wayen E. Sawyer 1981-7-24 110 Los Angeles San Gabriel Mountains, Angeles National Forest: Crest trail, ca. 0.5 mi. SE of Little Jimmy Spring and 1.1 mi. W of Mt. Hawkins 2438 Comment
  CAS-BOT-BC74961  Sinapis arvensis Louis C. Wheeler 1933-6-26 1885 Los Angeles San Bernardino Avenue at San Antonio Avenue. Pomona. 259 Comment
  CAS-BOT-BC75081  Sisymbrium altissimum Ernest C. Twisselmann 1955-8-10 2307 Los Angeles San Emigdio Range. Upper Castaic Valley. 1226 Comment
  UC1870173  Sisymbrium altissimum LeRoy Gross, Ted Anderson 2004-5-3 1218 Los Angeles Transverse Ranges; San Gabriel Mountains region: Road started west of Mt. Lukens, down (Southeast) to a little west of Earl Canyon Road. (Angeles National Forest Road surveys. Roads, 2N76.1 & 2N76.2) 1333 Comment
  UCR255808  Sisymbrium altissimum R. G. Swinney 2010-5-12 12748 Los Angeles San Gabriel Mountains, Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  UCR217422  Sisymbrium erysimoides R. G. Swinney 2009-3-10 10064 Los Angeles San Gabriel Mtns. Foothills, Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  SBBG13096  Sisymbrium irio E. R. Blakley 1962-6-10 5224 Los Angeles near military camp, Wilson Cove 30 Comment
  UCR271795  Sisymbrium irio R. G. Swinney 2010-3-24 12044 Los Angeles San Gabriel Mountains, Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA658402  Sisymbrium orientale R. Aguayo 1992-4-24 11 Los Angeles 13.5 mi. north on interstate 210 in Azusa on State Hwy. 39 to gated road along West Fk. San Gabriel Riv. 2.8 mi. west of gate, roadside 884 Comment
  SD252305  Sisymbrium orientale Steven A. Junak 2000-5-18 Sca 1302 Los Angeles Santa Catalina Island: E end of beach at Parsons Landing, back beach. 3 Comment
  VVC3375  Sisyrinchium bellum Tim Thomas 1973-4-24 9 Los Angeles Transverse Range, Santa Monica Mountains, Mulholland Hwy at Cold Creek 290 Comment
  CLARK-A1528-3198  Smilacina stellata John C. Roos 1937-5-31 761 Los Angeles San Gabriel Mountains Comment
  RSA422391  Solanum douglasii T. S. Clare 1929-3-3 s.n. Los Angeles Topango [Topanga] Canyon. Comment
  RSA422426  Solanum douglasii Tom Burch 1940-2-22 4018 -6 Los Angeles Redondo Beach Comment
  SBBG10936  Solanum douglasii R. Moran 1958-9-15 6830 Los Angeles 1.8 mi SE of Eel Pt 100 Comment
  SBBG13547  Solanum douglasii E. R. Blakley 1962-10-5 5452 Los Angeles Cottonwood Cyn, 0.25 mi upstream from ocean 30 Comment
  OBI35600  Solanum douglasii Rebecca Cicoria 1981-4-24 11 Los Angeles Lower Sepulveda Cyn, Rolling Hills Comment
  RSA422393  Solanum douglasii Howard Mullins 1931-4-19 s.n. Los Angeles Hillside, Chevy Chase Comment
  POM219191  Solanum physalifolium var. nitidibaccatum Louis C. Wheeler 1932-8-11 1130 Los Angeles 2 mi. NE La Verne. Damp sunny clay soil. 381 Comment
  POM175471  Solanum umbelliferum F. W. Peirson 1919-6-15 1082 Los Angeles Rock Creek, north slope of San Gabriel Mountains. 1296 Comment
  RSA579488  Solanum umbelliferum Tim S. Ross, Steve D. Boyd 1994-5-10 7718 Los Angeles Warm Springs Mountain: at the confluence of a blueline drainage NNE off the face of Warm Springs Mtn; ca 1250 m WNW from the canyon's effluence into Elizabeth Lake Canyon 668 Comment
  RSA729447  Solanum umbelliferum R. G. Swinney 1998-7-8 6316 Los Angeles San Gabriel Mtns.: N of Wrightwood, eastern end of Jackson Flat. 2287 Comment
  UCR256209  Solanum umbelliferum R. G. Swinney 2010-3-22 12015 Los Angeles San Gabriel Mountains, West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  POM223246  Solanum umbelliferum R. Cooper 1936-5-23 3 Los Angeles Mohave Desert between Phelanand newPalmdale Rd. Comment
  RSA427400  Solanum umbelliferum Edwin Kline 1925-4-26 s.n. Los Angeles Arroyo Seco, San Gabriel Mountains. Comment
  RSA188388  Solanum wallacei Robert F. Thorne, Percy C. Everett 1965-6-23 34931 Los Angeles Santa Catalina Island. Middle Ranch Canyon near Eagle Nest Rock 152 Comment
  SBBG70661  Solanum xanti R. Hoffmann 1929-5-19 Los Angeles between Big Rock Crk and Los Angeles Recreation Park Comment
  UCSB49292  Solanum xanti Welton, Patti 1983-3-28 Los Angeles SW side of Mulholland Hwy, 2.2 mi. N of junction with Malibu Canyon Rd. Santa Monica Mtns 481 Comment
  LA211067  Solanum xanti Arthur C. Gibson; Tony Valois 2010-2-21 5270 Los Angeles SANTA MONICA MOUNTAINS, Roadside of Mulholland Drive at milepost 10.02 just E of junction with Route 23. Comment
  CLARK-A1528-4379  Solanum xanti var. intermedium John C. Roos 1937-6-29 1485 Los Angeles Malibu Beach Comment
  RSA0025908  Soleirolia soleirolii Justin M. Wood 2012-3-20 4636 Los Angeles San Dimas. San Jose Hills: Walnut Creek Canyon, +/- 0.5 mi NW of Puddingstone Reservoir, +/- 0.25 mi E of SR-57, just north of San Dimas Ave. and just S. of Cliffside Dr. 229 Comment
  RSA473607  Solidago californica Anstruther Davidson s.n. Los Angeles Mt Wilson. Comment
  RSA0030681  Solidago californica W. B 1973-10-12 Los Angeles San Dimas Exp. Forest Station near Ranger's office. 823 Comment
  SEINET11382851 Image available Solidago confinis Unknown 1936-1 9997 Los Angeles San Gabriel Mts. Swartvet Valley mdw. at 6V50 J Comment
  CAS-BOT-BC365031  Solidago velutina subsp. californica Fordyce Grinnell 1903-12-22 24 Los Angeles Arroyo Seco Canon [Canyon], near Pasadena Comment
  RSA0116697  Solidago velutina subsp. californica R. G. Swinney 2010-9-30 13937 Los Angeles San Gabriel Mountains; 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon. 2305 Comment
  UCD150976  Sonchus oleraceus D. S. Park 2010-4-29 62 Los Angeles Wildwood Canyon, roadside near first canyon entrance trailhead. 388 Comment
  RSA550398  Sonchus oleraceus Timothy S. Ross, Peter W. Fritsch 1990-6-20 3610 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  UCD108502  Spartium junceum Gordon Pilone 1961-4-1 145 Los Angeles San Antonio Canyon, north of dam on new road. San Gabriel Mt. Range. 731 Comment
  RSA0067889  Spartium junceum Gail Thompson 1970-4-25 E 7 Los Angeles Collected on Mt. Baldy rd. just outside of L.A. National Forest. 1158 Comment
  CAS-BOT-BC389950  Spergula arvensis Crawford; Hiatt 1916-3-29 996 Los Angeles Santa Monica Mts Comment
  UCR177170  Spergula arvensis subsp. arvensis LeRoy Gross 2001-3-23 350 Los Angeles Transverse Ranges; Verdugo Mountains, North side: Whiting Wood Mountainway, dirt road at end of Whiting Woods Road, in the city of Verdugo City, road starts at Henderson Canyon and climbs to the main crestm, off Edison road (power company) that ends at a pylon 549 Comment
  SBBG131819  Spergularia S. A. Junak, B. Collins 1991-4-24 SCI- 200 Los Angeles S of Eel Cove Cyn 91 Comment
  SBBG113114  Spergularia bocconi S. A. Junak with M. L. Hoefs, K. Kirkland, L. Stratton 1998-5-2 SCa 620 Los Angeles upper portion of Avalon Cyn watershed, along Memorial Rd, ca. 0.7 mi rd mi above Wrigley Memorial 213 Comment
  RSA185751  Spergularia macrotheca I. L. Wiggins 1949-2-21 11958 Los Angeles San Clemente Island: Wilson s Cove Comment
  UC1587228  Spergularia macrotheca var. macrotheca Tim Ross 1991-5-20 5357 Los Angeles un-named knoll 5100 feet s of Wilson Cove Settlement (San Clemente Island, slope 2750 nnw of the 750' BM); San Clemente Island 2290 Comment
  UCR162293  Spergularia marina Anuja Parikh, Nathan Gale 2004-6-22 2066 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 13), near the Ventura County line, downstream of Mayo Spur 305 Comment
  UCR205723  Spergularia rubra A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37010 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  CATA1880  Spergularia villosa Denise Knapp, Jenny L. McCune 2004-3-30 Los Angeles Santa Catalina Island: Lone Tree Trail, near land bird monitoring transect #57 430 Comment
  UCR19007  Spergularia villosa John C. Roos 1950-4-1 4719 Los Angeles Los Angeles Basin Region, Los Angeles [West Los Angeles/ Westwood], hill just east of [Ralph Waldo] Emerson Junior High School [1650 Selby Ave.] 87 Comment
  CAS-BOT-BC390999  Spergularia villosa I. M. Johnston 1918-4-25 1976 Los Angeles Claremont, a side of path on college campus 365 Comment
  UC1124948  Stachys albens Jerome S. Horton 1935-7-18 214 Los Angeles Dalton Canyon below Dam Pomona Quadrangle Comment
  SBBG130883  Stebbinsoseris heterocarpa S. A. Junak 1999-5-7 SCa 903 Los Angeles upper Cape Cyn 509 Comment
  RSA95224  Stephanomeria cichoriacea F. W. Peirson 1924-8-23 5050 Los Angeles West Fork of San Gabriel River. 411 Comment
  CATA1806  Stephanomeria diegensis Benjamin E. Carter 2012-8-23 6990 Los Angeles Santa Catalina Island: Airport Road, ca. 1/4 miles north of Middle Ranch Road 405 Comment
  RSA601069  Stephanomeria exigua subsp. coronaria Steve Boyd, Lauren Raz 1997-6-18 9986 Los Angeles Liebre Mountains region: North base of Portal Ridge along the Broad Canyon Motorway, east of the mouth of Broad Canyon, edge of the Antelope Valley. 939 Comment
  RSA474198  Stephanomeria exigua subsp. exigua F. R. Fosberg 1931-8-30 812 Los Angeles El Segundo. 5 Comment
  SD239628  Stephanomeria spinosa R. G. Swinney 2009-8-25 11465 Los Angeles Transverse Range; San Gabriel Mountains: west summit of Table Mountain, NE of Big Pines (Mescal Creek 7.5'Q) 2288 Comment
  CAS-BOT-BC375809  Stephanomeria virgata A. D. E. Elmer 1902-6-1 3693 Los Angeles Acton Comment
  SEINET256101  Stipa Mary E. Barkworth, LR Firestone 1982-8-26 4086 Los Angeles Angeles National Forest ; Campground on CA Hwy 2 2240 Comment
  OBI2591  Stipa coronata Larry E. Brown 1970-5-2 1796 Los Angeles Along State Rte 2, ca 5 mi from La Canada Comment
  UCR155589  Stipa lepida A. C. Sanders, Helen Kennedy 2005-4-13 29447 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  CATA1148  Stipa miliacea var. miliacea Mark L. Hoefs 1995-5-23 2139 Los Angeles Santa Catalina Island: Upper Middle Canyon 225 Comment
  UCR272570  Stipa parishii R. G. Swinney 2011-8-5 15599 Los Angeles San Gabriel Mountains, summit of Mount Hawkins, high point of Copter Ridge, 0.6 miles SSE of Hwy. 2/Angeles Crest Hwy 2698 Comment
  RSA0076957  Stipa speciosa R. G. Swinney 2010-5-19 12823 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
  UCR163446  Stipa speciosa B. G. Pitzer 1998-5-12 3714 Los Angeles Western Mojave Desert, Hwy 138 (Palmdale Hwy), c. 1 mi. west of the San Bernardino County line 1171 Comment
  UCR269134  Stipa speciosa Orlando Mistretta, Christine Mistretta 2011-7-13 5935 Los Angeles San Gabriel Mountains, Fall Creek Canyon, near confluence with Big Tujunga Canyon, along Forest Service Road 3N27 1005 Comment
  UCR18108  Stylocline filaginea O. F. Clarke 1973-4-29 s.n. Los Angeles Mojave Desert, NE corner of county. Hi Vista Comment
  CHSC95507  Stylocline gnaphaloides LeRoy Gross; Valerie Soza 2003-5-15 911 Los Angeles Transverse Ranges; Verdugo Mountains region: Northwest side of mountains: North of La Tuna Canyon road, started at end of Elben Ave. Climbed north to ridgetop, south of McDonald Creek, then east along ridgeline, then we came back down into a small canyon at the end of Elben Place, just east of where we started. UTM Zone: 3789935N, 0377377E. 534 Comment
  JEPS40650  Stylocline gnaphaloides F. W. Peirson 1918-6-12 232 Los Angeles foothills e Rubio Canyon; San Gabriel Mts. 609 Comment
  SD23795  Suaeda calceoliformis Darley F. Howe 1938-8-1 Los Angeles Alkali flat, south of Los Angeles. Comment
  RSA0088141  Suaeda calceoliformis Steven A. Junak, Mark Hoefs, Keri Kirkland 1998-10-22 SCa- 823 Los Angeles Santa Catalina Island. Cherry Cove, around outer margins of salina at mouth of canyon. 3 Comment
  CAS-BOT-BC110420  Suaeda taxifolia I. Johnston Apr 11 s.n. Los Angeles Nigger Slough [name changed to Harbor Lake]. Comment
  POM4400  Symphoricarpos mollis P. A. Munz 1918-5-19 2270 Los Angeles Pomona. Comment
  UC28654  Symphoricarpos mollis J. H. Barber 1897-3-21 74 Los Angeles Sepulveda Canyon; Sierra de Santa Monica Comment
  CAS-BOT-BC97961  Symphyotrichum greatae F. Grinnell Jr. 1908-10-8 s.n. Los Angeles Switzer Camp, San Gabriel Mts. 914 Comment
  CAS-BOT-BC97972  Symphyotrichum greatae Ernest Braunton 1902-7-1 588 Los Angeles Arroyo Seco </