Search Results — 2000 specimen records retrieved (1580 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 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
  RSA755892  Abronia pogonantha R. G. Swinney 2008-6-18 9079 Los Angeles Juniper Hills, Devil s Punchbowl Co. Park, 0.1 mi. SW of nature center 1476 Comment
  UCR138491  Abutilon theophrasti L. C. Wheeler 1976-8-2 s.n. Los Angeles Dominguez Hills, Del Amo Boulevard and Dominguez Avenue 9 Comment
  SEINET10452374  Acacia melanoxylon David B. Dunn 1946-1 Dunn 1996 -B Los Angeles Mimosaceae. Cultivated and weedy plants in the yard at 4911 Pasadena Ave. Terrace, Los Angeles. Comment
  RSA160398  Acer macrophyllum J. D. Olmsted 1959-5-6 563 Los Angeles Canyon on Glendora Mountain road, 1 mile west of turnoff to Sunset Peak Lookout, etc. Comment
  SD255617  Acer macrophyllum Ian Cain, Natasha Bartely 2010-6-23 1536 Los Angeles Angeles National Forest, San Gabriel Mountains. Along Bear Creek east of Cogswell Dam. 562 Comment
  SEINET3195249 Image available Acer macrophyllum Elisabeth Ely 1969-4-26 11 Los Angeles Palmer Canyon Rd., east fork 1.5 miles north of Padua Hills Ave., Claremont; San Gabriel mt. range 560 Comment
  UCR172704  Acer macrophyllum Jun Hu, Weena Sangkatavat 2000-4-22 01 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, 2 mi N of Altadena. First trail on the right immediately before Millard Campground 549 Comment
  CHSC98595  Acer negundo var. californicum LeRoy Gross; Andrea E. Gutman, Sarah Gutman 2000-9-8 267 Los Angeles Big Tujunga Wash/Verdugo Mountains: Tujunga Ponds. 335 Comment
  UC1587731  Achillea millefolium Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5102 Los Angeles above, on rd near top of e escarpment, 1400 ft nnw of the 553 ft BM Nots Pier; San Clemente Island 138 Comment
  CAS-BOT-BC211913  Achnatherum coronatum Alice Eastwood 1906-5-27 230 Los Angeles Roscoe Comment
  POM116126  Achnatherum coronatum Marcus E. Jones 1882-5-2 s.n. Los Angeles Pasadena. Comment
  SEINET4692069 Image available Achnatherum coronatum Tim Ross, Steve Boyd 1990-1 2809 Los Angeles Green Valley Pasture (in San Fransiquito Canyon): Saugus District, Angeles National Forest. Lake Huges USGS 7.5' quad. 927 Comment
  UC218126  Achnatherum coronatum P. A. Munz, R. D. Harwood 1920-4-29 3794 Los Angeles Southimas<?> Canyon 457 Comment
Read comments
Dec 23 2014
  RSA230057  Achnatherum occidentale subsp. pubescens R. F. Thorne 1971-6-26 40607 Los Angeles Summit of Mt. Wilson 1738 Comment
  RSA600583  Achnatherum parishii subsp. depauperatum Steve Boyd, Lauren Raz 1997-4-30 9602 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine 866 Comment
  POM353190  Achnatherum speciosum Anstruther Davidson 1893-4-23 s.n. Los Angeles San Fernando Comment
  SD51913  Achyrachaena mollis Peter H. Raven 1962-5-9 17663 Los Angeles San Clemente Island; near head of canyon at south end of Mosquito Cove. 320 Comment
  UCR225785  Achyrachaena mollis Dave Silverman, Cindy Hopkins 2007-4-17 6708 Los Angeles SW Tehachapi Mtns, Tejon Ranch, 1.2 km due south of Oso Canyon, 2.4 km south of the Kern County line, and 4.2 km NE of Hwy 138 and I-5 junction 1101 Comment
  SBBG109019  Acmispon argophyllus var. adsurgens S. A. Junak 1996-6-1 SCl 567 Los Angeles E rim of upper China Cyn, at head of small side cyn, ca. 0.2 mi SW of top of China Pt Rd 393 Comment
  CAS-BOT-BC204774  Acmispon argophyllus var. argenteus Mrs. Brandegee 1889-5-1 s.n. Los Angeles Santa Catalina Island Comment
  LA52414  Acmispon maritimus var. maritimus Carl Epling; 1926-5-18 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  CATA1497  Acmispon micranthus Mark L. Hoefs, Steven A. Junak 1996-5-1 2704 Los Angeles Santa Catalina Island: Road to Lone Tree 478 Comment
  RSA0019446  Acmispon strigosus Orlando Mistretta, Youssef Atallah 2011-8-12 6030 Los Angeles Aliso Cyn, 1.8 miles West of Jct. of Aliso Cyn Road and Angeles Forest Hwy. On bench above Aliso Creek. 1083 Comment
  SFV1853  Acmispon strigosus P. G. Kilburn 1958-4-12 714 Los Angeles San Gabriel Mountains Soledad Canyon, 0.5 miles south of junction with U. S. Highway 6. 900 Comment
  UCSB45406  Acmispon strigosus Osburn, Rob 1979-3-29 Los Angeles San Gabriel Mtns., on Agua Dulce Canyon Rd., off of Antelope Valley Freeway 609 Comment
  CATA1852  Acmispon wrangelianus Denise Kraus, Patricia Moore 2000-5-15 33 Los Angeles Santa Catalina Island: Goat Harbor burn area, eastern firebreak road. Approximately 0.6 mile from Airport road (about halfway down to beach) 304 Comment
  RSA134796  Acourtia microcephala Percy C. Everett, E. K. Balls 1959-6-29 23874 Los Angeles Stokes Canyon, Santa Monica Mountains. 152 Comment
  UCR133645  Acourtia microcephala A. C. Sanders 2003-7-15 27098 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Magic Mountain area, 0.9 mi. south of Castaic Junction, west of 'water tanks 335 Comment
  LA25890  Adenostoma fasciculatum Judith Webb; 1955-4-2 sn Los Angeles Santa Monica Mountains, fireroad below Mount Saint Mary's College 243 Comment
  UC557778  Adenostoma fasciculatum Nell Murbarger May, 1936 187 Los Angeles e. side San Clemente Isl. Comment
  UC859041  Adenostoma fasciculatum Ira W. Clokey, B. Templeton Mar. 1929 4500 Los Angeles Santa Monica Mts., Mandeville Canyon 350 Comment
  UCR103759  Adenostoma fasciculatum David Charlton 1989-4-30 3000 Los Angeles San Gabriel Mtns., George's Gap, Angeles Crest Highway c. 2.5 mi. (airline) north of the southern boundary of the Angeles National Forest, c. 1.25 mi. west of Lower Switzer Campground 1311 Comment
  RSA390567  Adenostoma fasciculatum var. fasciculatum Fordyce Griffiths Jr. 1910-06 s.n. Los Angeles Long Canyon, San Gabriel Mountains. Comment
  LA34177  Adenostoma sparsifolium Peter H. Raven; Henry J. Thompson 1959-9-20 14492 Los Angeles 304 Comment
  LA211895  Adiantum capillus-veneris Duncan Bell; Caitlin Elam 2013-6-24 5267 Los Angeles SAN GABRIEL MOUNTAINS, Sheep Mountain Wilderness, East Fork of the San Gabriel River, collecting in the Narrows, just south of the mouth of Iron Fork. 899.0 Comment
  SBBG82791  Adiantum capillus-veneris M. Bufkin -Jun-1895 Los Angeles near Pasadena Comment
  UCR189398  Adiantum capillus-veneris R. G. Swinney 1998-5-30 6162 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  POM6780  Adiantum jordanii Hilda Wood 1901-4-3 s.n. Los Angeles Glendora Comment
  POM158005  Adiantum jordanii M. B. Dunkle 1928-3-31 1776 Los Angeles Campo Blanco. Santa Catalina Island. 183 Comment
  UCR191733  Aesculus californica A. C. Sanders 2008-4-23 35082 Los Angeles Transverse Range; western San Gabriel Mtns., upper Cow Spring Canyon 1140 Comment
  UCR259041  Agave americana R. G. Swinney 2010-3-14 11902 Los Angeles San Gabriel Mountains, Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road 447 Comment
  RSA765312  Ageratina adenophora Doris Bowers 1957-3-24 936 Los Angeles Millard's Canyon N/o Altadena 1220 Comment
  CAS-BOT-BC29342  Ageratina adenophora P. H. Raven; Henry J. Thompson 1960-4-13 15081 Los Angeles Santa Monica Mountains, Griffiths Park. 228 Comment
  RSA612304  Ageratina adenophora Louis C. Wheeler 1968-10-1 s.n. Los Angeles Verdugo Mountains: La Tuna Canyon Road, 1.5 miles W of Tujunga Canyon Road, 1 mile W of powerline, and 0.9 mile W of summit. Comment
  UCR272607  Agoseris retrorsa R. G. Swinney 2011-6-7 15057 Los Angeles San Gabriel Mountains, Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy. 2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek 1585 Comment
  RSA416416  Agoseris retrorsa Fay A. MacFadden 1931-4-22 2644 Los Angeles Summit of ridge near Lake Huges on road from San Fanscito Canyon. Comment
  RSA191130  Agrostis exarata R. F. Thorne, M. Z. Thorne 1967-7-19 37143 Los Angeles San Gabriel Mountains, Angeles National Forest, Crystal Lake Recreation Area; above junction of roads to Crystal Lake and Angeles Crest Highway 1555 Comment
  UC934049  Agrostis exarata H. L. Cogswell 1951-6-8 118 Los Angeles Watershed 4, w side Bell Cyn. San Gabriel Mountains, w side Bell Cyn., Watershed 4 853 Comment
  RSA127914  Alchemilla occidentalis Peter H. Raven, Henry J. Thompson 1959-5-5 14143 Los Angeles Mulholland Hwy. 1 mile W. of Las Virgenes Rd. Malibu Creed drainage. 320 Comment
  RSA706220  Allium burlewii Tim Thibault, K. E. Olshewsky 2004-5-23 293 Los Angeles Mt. Williamson. 2074 Comment
  UCR255788  Allium haematochiton R. G. Swinney 2010-3-10 11825 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  CAS-BOT-BC472942  Allium monticola A. Davidson M. D. 1921-5-1 1924 Los Angeles Rocky slope of Mt. Baldwin Comment
  RSA0098378  Allophyllum divaricatum R. G. Swinney 2011-6-6 14984 Los Angeles San Gabriel Mountains: Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  SBBG125449  Allophyllum divaricatum A. Parikh, N. Gale 2010-6-17 3317 Los Angeles upper Big Tujunga Cyn, 0.2 km N of St Hwy 2, 0.4 km NE of intersection of St Hwy 2 and upper Big Tujunga Cyn Rd, San Gabriel Mtns 1365 Comment
  SEINET2444586  Allophyllum divaricatum R. G. Swinney 2000-5-20 7690 Los Angeles San Gabriel Mtns. NE of Azusa, 0.8 mi. north of San Gabriel Dam, ridge east of Polecat Gulch and north of Hwy 39 (Glendora 7.5' Q.). 610 Comment
  UC624998  Allophyllum glutinosum F. R. Fosberg 1931-7-14 15413 Los Angeles Hamilton Canyon Santa Catalina Isl., Hamilton Canyon 30 Comment
  POM184703  Alnus rhombifolia Joseph A. Ewan 1932-5-29 7182 Los Angeles Along stream at head of arrastre Canyon North slope Mt. Gleason. Upper Sonoran 1524 Comment
  UCR270653  Alnus rhombifolia R. G. Swinney 2011-11-1 15941 Los Angeles San Gabriel Mountains, confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 671 Comment
  CATA2069  Amaranthus albus Steven A. Junak, Mark Hoefs, Keri Kirkland 1998-10-22 Los Angeles Santa Catalina Island: Cherry Cove, near main buildings at Boy Scout Camp 6 Comment
  RSA629705  Amaranthus albus L. C. Wheeler 1967-7-6 9923 Los Angeles San Dimas Canyon; Southeast east of San Dimas dam 457 Comment
  LA31598  Amaranthus albus Peter H. Raven; Henry J. Thompson 1959-6-4 14330 Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  RSA5973  Amaranthus albus C. B. Wolf 1932-9-13 4046 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
  RSA70012  Amaranthus blitoides F. W. Peirson 1932-8-15 10416 Los Angeles Vacant lot at Walnut and Hill, Pasadena Comment
  RSA683890  Amaranthus hybridus A. C. Sanders, Mark Elvin, Cathleen Weigand, et al. 2002-8-6 25549 Los Angeles Santa Clara River Valley: north of Hwy 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons 274 Comment
  RSA611924  Amaranthus palmeri L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  RSA404564  Amaranthus retroflexus Gertrude Dunn 1930-8-9 s.n. Los Angeles Whittier. Comment
  SBBG31366  Ambrosia chamissonis R. F. Thorne with P. C. Everett 1965-5-11 34552 Los Angeles behind N beach at Little Harbor 1 Comment
  CAS-BOT-BC45005  Ambrosia confertiflora Ivan Murray Johnston 1920-1-1 s.n. Los Angeles Arcadia along Huntington Drive 152 Comment
  UCR210067  Ambrosia psilostachya A. C. Sanders 2009-11-6 37211 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA764071  Amelanchier utahensis R. G. Swinney 2008-8-13 9383 Los Angeles east fork of Icy Springs drainage, tributary of Big Rock Creek, 0.3 mi. SE of Big Rock Creek Rd. 1805 Comment
  UCSC000905  Amorpha californica Peter Kamb 1948-6-26 1131 Los Angeles South side of Pacoima Canyon near Ant Canyon Pacoima Canyon, Ant Canyon - San Gabriel Mts. 732 Comment
  LA200430  Amorpha californica var. californica K. Kneen; 1933-5-14 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  UCD118931  Amsinckia douglasiana Daryl Koutnik; Bruce Holguin 1978-4-1 202 Los Angeles Mint Canyon on Sierra Highway, 3 miles N of the State Highway 14. 502 Comment
  SBBG10657  Amsinckia intermedia R. Moran 1959-3-9 7163 Los Angeles cyn 2 mi SE of Eel Pt 100 Comment
  UC881397  Amsinckia intermedia I. W. Clokey, B. C. Templeton 1930-4-8 4668 Los Angeles San Francisquito Canyon 550 Comment
  UCD119700  Amsinckia intermedia Lisa J. Seemann 1993-4-2 s.n. Los Angeles Carrizo Plains Natural Area, ca. 20 mi. on Soda Lake Rd. from CA Hwy 166, at the KCL campsite. Comment
Read comments
Apr 9 2019
  UCR85797  Amsinckia intermedia T. S. Ross 1991-4-8 4456 Los Angeles San Gabriel Valley, Elephant Hill: western Pomona 355 Comment
  UC881416  Amsinckia spectabilis F. R. Fosberg 1931-3-23 S 4329 Los Angeles Hamilton's Canyon; Santa Catalina Island 30 Comment
  RSA772295  Amsinckia tessellata R. G. Swinney 2009-4-28 10521 Los Angeles summit of Mt. Emma 1585 Comment
  UCR264624  Amsinckia tessellata Mitch Provance, Callen Huff 2009-4-28 10729 Los Angeles Tehachapi Mountians, Tejon Ranch, 1.2 mi. N of Gorman, Bear Canyon, along Crane Canyon Rd., about 1 mi. S of Castac Lake 1220 Comment
  UCR280579  Amsinckia tessellata R. G. Swinney 2014-4-18 16127 Los Angeles San Gabriel Mountains, NE of Littlerock Dam, north end of Alimony Ridge, south side of Mt. Emma Rd., to 75 m south of road 976 Comment
  RSA465138  Anagallis arvensis L. E. Hoffman 1929-6-8 s.n. Los Angeles Arroyo Seco, Angeles National Forest Comment
  RSA0015841  Andropogon glomeratus var. scabriglumis LeRoy Gross, Evan Meyer, Bart O'Brien 2013-10-17 6209 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
  UCR150595  Andropogon glomeratus var. scabriglumis L. C. Wheeler 1947-3-1 6459 Los Angeles Transverse Ranges; San Gabriel Mountains region, San Gabriel Mountains: Eaton Canyon c. 200 meters east of first fall Comment
  RSA0051546  Anemopsis californica L. Haines 1949-6-20 s.n. Los Angeles Horse Camp Canyon, Liebre Mt. Comment
  RSA5879  Anemopsis californica C. B. Wolf 1932-9-16 4097 Los Angeles Bryant Ranch, 100 to 150 ft W of State Highway at SE corner of Pacific Western Oil Co. lease in 1705 acre portion 2 Comment
  SEINET12120358  Anethum L. M. Booth 1932-1 1267 Los Angeles Los Angeles, Anaheim Rd. W of American Ave 15 Comment
  JEPS16003  Angelica tomentosa Frank W. Peirson 1921-7-19 2508 Los Angeles San Gabriel Mountains, San Gabriel River, Cow Canyon Cow Canyon; San Gabriel Mountains, San Gabriel River, Cow Canyon 914 Comment
  CAS-BOT-BC126776  Anthemis cotula John I. Carlson 1915-6-13 s.n. Los Angeles Avalon, Santa Catalina Isl. Comment
  RSA601619  Anthemis cotula L. C. Wheeler 1967-5-13 9495 Los Angeles On mesa between Little Dalton and Englewild canyons, in vicinity of abandoned lemon grove. 381 Comment
  UCR131604  Antirrhinum multiflorum L. C. Wheeler 1932-5-25 757 Los Angeles Western Transverse Range; Santa Monica Mtns., head of Sepulveda Canyon 366 Comment
  UCR197231  Antirrhinum multiflorum Valerie Soza, Ileene Anderson, LeRoy Gross 2000-6-6 995 Los Angeles Verdugo Mountains, southwest side, along Verdugo Mtwy, east of junction with Hostetter Mtwy, above Wildwood Canyon 915 Comment
  SBBG131649  Aphanes occidentalis S. A. Junak 1999-5-8 SCa 924 Los Angeles Escondido Cyn, ca. 0.35 mi above reservoir 152 Comment
  SD85096  Aphanisma blitoides Peter H. Raven 1962-4-9 17178 Los Angeles San Clemente Island, above Wilson Cove 60 Comment
  CATA194  Apiastrum angustifolium Mark L. Hoefs, A. Douglas Propst 1973-4-6 169 Los Angeles Santa Catalina Island: West side of Mt. Black Jack 457 Comment
  RSA470404  Apium graveolens H. de Forest 1931-8-7 s.n. Los Angeles Topanga canyon Comment
  UC56493  Apocynum cannabinum Ernest Braunton Sept 1902 692 Los Angeles Los Angeles Comment
  UCR210522  Apocynum cannabinum R. G. Swinney 2008-11-30 9868 Los Angeles San Gabriel Mtns., Duarte, Van Tassel Canyon, 1.45 mi. north of Foothill Blvd. at El Encanto Dr., on Fish Canyon Rd. 204 Comment
  UCSB4908  Apocynum cannabinum Wedberg, H. 1958-7-3 Los Angeles About 5 mi. below Crystal L., San Gabriel Mtns. Comment
  POM366909  Aquilegia formosa G. R. Johnstone 1930-6-15 s.n. Los Angeles Indian Canyon near Ravenna 1067 Comment
Read comments
Nov 8 2011
  UCR239015  Arabis eschscholtziana Anuja Parikh, Nathan Gale 2010-6-15 3298 Los Angeles Transverse Range; San Gabriel Mountains, Upper Big Tujunga Canyon, 0.3 km east northeast of Shortcut Station, 0.7 km north of State Hwy 2, Angeles Crest Hwy 1295 Comment
  UCR205556  Arabis glabra R. G. Swinney 2008-5-30 8881 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, tributary on south side of canyon 0.1 mi. east of park office 305 Comment
  RSA0043292  Arabis maxima Lee Haines 1951-3-29 s.n. Los Angeles Cfhatsworth Hills. Comment
  UCR272843  Arabis platysperma R. G. Swinney 2011-8-5 15615 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
  UC1971459  Arceuthobium campylopodum Louis C. Wheeler 1946-8-25 6243 Los Angeles SAN GABRIEL MOUNTAINS: Ridge at southerly end of Crystal Lake. Comment
  RSA626696  Arctostaphylos glandulosa Allen Massihi, Jon E. Keeley 1992-6-23 15702 Los Angeles Angeles Forest Highway, 8 km north of Big Tujunga Canyon turnoff. 1300 Comment
  RSA626757  Arctostaphylos glandulosa Jon E. Keeley 1978-9-4 7235 Los Angeles Mt. Gleason (Arcto study site). 2000 Comment
  RSA629089  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Allen Massihi 1992-6-18 15611 Los Angeles Mill Creek Summit, Angeles Forest Highway. 1460 Comment
  CAS-BOT-BC39306  Arctostaphylos glauca J. H. Thomas 1957-5-8 6742 Los Angeles San Gabriel Mountains, about 10 mi. NE of Pasadena 1371 Comment
  RSA631652  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15986 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA631660  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20182 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  UCR222054  Arctostaphylos glauca R. G. Swinney 2009-4-28 10541 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  SEINET11984070  Arctostaphylos glauca D. P. Reagan n d 22 Los Angeles about 2 mi W of Gorman 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
  RSA634838  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20227 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 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
  UC1369835  Arctostaphylos patula Robert F. Thorne and John Olmstead 1965-8-26 35352 Los Angeles near top of ridge se Holiday Hill Ski Lift; San Gabriel Mountains, Angeles National Forest, Blue Ridge 2560 Comment
  SEINET3402466  Arctotis stoechadifolia R. W. Spellenberg, N. Zucker 2011-4-12 14269 Los Angeles Mulholland Hwy 4.5 km N of junction with CA Hwy. 1, ca. 3 km E of Ventura Co. line, below address 35316. 125 Comment
  RSA773295  Arenaria macradenia R. G. Swinney 2009-6-24 11282 Los Angeles Pacifico Mountain Road, 1 mile east of Angeles Forest Hwy at Mill Creek Summit 1604 Comment
  UCR182742  Arenaria macradenia R. G. Swinney 1997-7-16 5657 Los Angeles San Gabriel Mtns., Buford Canyon, 0.5 mi. west of San Bernardino Co. line, south of Hwy 2 and Swarthout Valley, c. 2 air miles west of Wrightwood 2195 Comment
  RSA529137  Arenaria macradenia var. arcuifolia Timothy S. Ross, Steve Boyd 1991-7-24 5615 Los Angeles Granite Mountain vicinity: ridge NNE of Granite Mountain. 1875 Comment
  UCR238479  Arenaria macradenia var. macradenia Orlando Mistretta, Christine Mistretta 2008-5-2 2605 Los Angeles Transverse Ranges; Liebre Mountains, Southern California Edison transmission line tower (Segment 5, structure 29 per TRTP Survey 2008), in the vicinity of Ritter Ridge 1021 Comment
  RSA105992  Argemone munita Gerald B. Ownbey, Findley Ownbey 1954-5-28 2116 Los Angeles 14.0 miles S of Vincent on road to La Canada. Roadside bank and adjacent stream bank. Comment
  CAS-BOT-BC401705  Argemone munita subsp. munita Geo. B. Grant 1902-6-25 s.n. Los Angeles San Gabriel Canon [Canyon] Comment
  CDA6801  Argyranthemum foeniculaceum R. E. Riefner Jr. 2007-3-1 07 -118 Los Angeles Palos Verdes Peninsula, Malaga Cove, Paseo del Mar Street at Palos Verdes Drive West. Comment
  UC167155  Aristida ternipes var. hamulosa Geo. B. Grant 1905-4-2 66 -6459 Los Angeles Altadena Comment
  RSA0111924  Artemisia californica R. G. Swinney 2011-11-3 15988 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, First Water, 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre. 622 Comment
  HSC4724  Artemisia douglasiana W. M. Kinch 1954-9-30 11 Los Angeles Padua Ave. N. Claremont; San Antonio Wash 335 Comment
  POM155781  Artemisia douglasiana M. B. Dunkle 1928-10-7 1998 Los Angeles Middle Ranch Canyon, Santa Catalina Island. 152 Comment
  UCR256861  Artemisia douglasiana R. G. Swinney 2010-8-16 13542 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  SFV12673  Artemisia dracunculus M. H. Grayum, D. L. Koutnik 1977-11-25 895 Los Angeles San Gabriel Mountains Vicinity of Vasquez Rocks, near Agua Dulce. 671 Comment
  RSA417317  Artemisia dracunculus B. C. Templeton 1932-8-26 5091 Los Angeles West Blue Ridge, Big Pines Park. San Gabriel Mountains 2195 Comment
  UCR271126  Artemisia tridentata subsp. tridentata R. G. Swinney 2011-10-10 15733 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
  CDA22416  Asarum caudatum G. C. Fleischman 1955-6-28 Los Angeles Varva Estate, UCLA. 0 Comment
  POM145714  Asclepias californica L. R. Abrams 1927-4-30 11712 Los Angeles Antelope Valley between Fairmont and Neenach. Comment
  SEINET12283157  Asclepias californica E. A. Purer 1935-1 Los Angeles Hillside, Malibou Road, Santa Monica Mts Comment
  RSA527805  Asclepias eriocarpa Tim Ross, Annette Ross 1991-6-3 5547 Los Angeles Elephant Hill: wesr Pomona. Uncommon perennial from a heavy rootstock apparentl occuring here only on the upper easterly slope, eastward from the E ridge summit. 305 Comment
  UC1871280  Asclepias eriocarpa T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 4007 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: ca 100 m NE of the West Summit knoll. T7N R17W, NW 1/4 NW 1/4 NW 1/4 sect 10. Elev. ca 5550 feet. [West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10.] 1692 Comment
  POM305607  Asclepias fascicularis Henry J. Ramsey, Henry J. Ramsey 1937-9-2 910 Los Angeles Angeles Crest Highway. Comment
  UC1594402  Asphodelus fistulosus Tim Ross and Elizabeth Kellogg 1992-4-13 6137 Los Angeles n head San Clemente Island (off e end of active runway) 42 Comment
  RSA93793  Aster hesperius F. W. Peirson 1919-11-7 1279 Los Angeles Rio Hondo Comment
  POM2650  Astragalus bicristatus I. M. Johnston 1918-7-6 2056 Los Angeles Prairie Fork of San Gabriel River 2134 Comment
  NY621866  Astragalus brauntonii G. B. Grant 06 1901 4127 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
  UC397264  Astragalus didymocarpus Geo. B. Grant Mar 1903 78 Los Angeles Garvanza Comment
  UCR11593  Astragalus didymocarpus O. H. Kappler 1946-4-13 1121 Los Angeles Mojave Desert, four miles south of Palmdale 915 Comment
  CAS-BOT-BC182303  Astragalus didymocarpus var. didymocarpus Robert F. Thorne 1973-5-11 43554 Los Angeles San Gabriel Mts., Mojave Desert slopes: Along Mt. Emma Road, 1.9 mi W of Little Rock Creek below the dam Comment
  CAS-BOT-BC182582  Astragalus didymocarpus var. dispermus Lois E. James 1946-4-25 1748 Los Angeles Acton, Soledad Canyon Comment
  RSA749078  Astragalus douglasii R. G. Swinney 2005-8-15 8475 Los Angeles Valyermo, Devils Punchbowl County Park, near headquarters 1463 Comment
  RSA110308  Astragalus douglasii H. D. Ripley, R. C. Barneby 1944-5-16 5857 Los Angeles Summit of Mint Canon, s. of Harold. 991 Comment
  RSA599466  Astragalus gambelianus Steve Boyd, Lauren Raz, T. S. Ross 1997-4-1 9485 Los Angeles Liebre Mountains region: Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of Osito Flat, a distinctive, open grassy break in slope under the high tension power lines. 793 Comment
  RSA709834  Astragalus gambelianus A. C. Sanders 2003-4-17 26066 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, ca. 1 km south of Magic Mountain amusement park and north of the powerlines. 10 Comment
  UCR109028  Astragalus gambelianus L. C. Wheeler 1974-4-14 s.n. Los Angeles San Gabriel Mtns., Wildwood Ranch, Shuler Canyon 412 Comment
  RSA527799  Astragalus gambelianus T. S. Ross, Annette Ross 1991-6-3 5545 Los Angeles Elephant Hill : west Pomona. 274 Comment
  SBBG68193  Astragalus layneae R. Hoffmann 1932-4-9 Los Angeles 5 mi W of Wilsona 899 Comment
  UCR149528  Astragalus lentiginosus var. antonius R. G. Swinney 1997-6-25 5641 Los Angeles San Gabriel Mtns., southwest of Wrightwood, Blue Ridge c. 0.5 mi. west of Guffy Camp, Forest Service Rd. 3N06, c. 5.1 miles east of Hwy 2 2518 Comment
  RSA232624  Astragalus miguelensis Larry E. DeBuhr, Gary D. Wallace 1972-9-1 685 Los Angeles San Clemente Island NW side of island. Comment
  SBBG11592  Astragalus miguelensis P. H. Raven 1962-7-12 18028 Los Angeles near point at E end of Northwest Harbor 30 Comment
  SEINET12160085  Astragalus purshii var. tinctus J. F. Bright, Wyman, C. 1933-1 8332 Los Angeles Antelope Valley Comment
  JEPS54532  Astragalus trichopodus var. phoxus W. L. Jepson 1935-4-17 17071 Los Angeles Bouquet Canyon Bouquet Canyon (canyon bottom) Comment
  RSA709614  Astragalus trichopodus var. phoxus A. C. Sanders 2005-5-5 29875 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, northeast rim of Cruzan Mesa along dirt road under powerlines, above Vasquez Canyon Rd. 640 Comment
  UC81445  Astragalus trichopodus var. phoxus Samuel B. Parish June 1887 1886 Los Angeles San Francisquito Canyon Comment
  UCR117550  Astragalus trichopodus var. phoxus A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23279 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 915 Comment
  RSA748188  Athysanus pusillus Scott D. White, Justin M. Wood 2009-5-6 12666 Los Angeles San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  RSA751514  Atriplex amnicola Carl Wishner, A. Gale 2005-8-12 1 -38 Los Angeles LAX: Santa Monica Mountains, Malibu Lagoon State Beach. 3 Comment
  SD124382  Atriplex argentea var. expansa F. C. Boutin 1967-4-23 1622 Los Angeles San Clemente Island; north end of island between Northwest Harbor and airstrip. Comment
  SEINET3930294  Atriplex californica F. R. Fosberg 1931-4-29 S 4710 Los Angeles Located at the mouth of Cottonwood Canyon, Santa Catalina Island.; 0 5 Comment
  OBI71247  Atriplex canescens David J. Keil 1986-9-27 19742 -2 Los Angeles NW L.A. county. Along I-5 just S of Hungry Valley rd exit. 914 Comment
  UCR145160  Atriplex canescens subsp. canescens June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains foothills/Mojave Desert, Bob's Gap and Valyermo Road 1250 Comment
  SEINET879987  Atriplex johnstonii C. B. Wolf 1934-1 5740 Los Angeles Ca. 30 f W of Vista Del Mar Street and on a line 8f south of the north curbing of Freeman Street, Playa del Rey. 30 Comment
  LA99140  Atriplex lentiformis subsp. lentiformis R. L. Armacost; 1960-1 1310 Los Angeles Santa Monica Mountains, Malibu Creek State Park, Malibu, Malibu Lagoon Comment
  CATA1165  Atriplex leucophylla Mark L. Hoefs 1995-5-30 2158 Los Angeles Santa Catalina Island: Ben Weston Beach 4 Comment
  RSA478306  Atriplex leucophylla F. R. Fosberg 1931-5-4 S- 4759 Los Angeles Mouth of Middle Ranch Canyon, Santa Catalina Island. Comment
  CAS-BOT-BC176358  Atriplex parryi A. D. E. Elmer 1902-6-1 3640 Los Angeles Lancaster Comment
  CATA1866  Atriplex rosea Denise Kraus 2000-7-18 46 Los Angeles Santa Catalina Island: Middle Ranch in front of Conservancy barn 0 Comment
  RSA152243  Atriplex semibaccata I. L. Wiggins 1925-06 1756 Los Angeles White s Landing, Santa Catalina Island Comment
  UC1136335  Atriplex semibaccata R. St. John 1933-2-16 340 Los Angeles Castellamare Calabasas Quad., Castellamare 60 Comment
  SBBG98648  Atriplex semibaccata T. Ross 1991-5-20 5355 Los Angeles un-named knoll ca. 5100 ft S of Wilson Cove settlement, gradual N slope 2750 ft NNW of the 750' Benchmark 217 Comment
  POM50673  Atriplex serenana A. D. E. Elmer 1902-06 3984 Los Angeles Lancaster. Comment
  RSA478429  Atriplex serenana E. S. Spalding 1922-10-9 s.n. Los Angeles Los Angeles. Near Exposition Park. Comment
  RSA624121  Atriplex serenana L. C. Wheeler 1932-9-9 1367 Los Angeles Pomona: Along railroad, near fairgrounds. 259 Comment
  SBBG13603  Atriplex watsonii P. H. Raven 1962-7-12 18010 Los Angeles near point at E end of Northwest Harbor 30 Comment
  RSA453978  Atriplex watsonii M. B. Dunkle 1939-4-5 7274 Los Angeles San Clemente Island: China Point, Pyramid Cove. Comment
  IRVC26938  Avena sativa A. C. Sanders, Andy Thompson 2003-4-17 26078 Los Angeles Newhall Ranch, NW of Magic Mountain amusement park, between M.M. and The Old Road, north of M.M. Parkway NE end of Santa Susana Mtns. 351 Comment
  RSA694976  Azolla filiculoides Geo L. Moxley 1916-8-17 s.n. Los Angeles L.A. riverbed near Broadway Bridge Comment
  CAS-BOT-BC98733  Baccharis douglasii unspecified 1904-7-20 s.n. Los Angeles Cienaga Comment
  IRVC28743  Baccharis douglasii A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25525 Los Angeles Newhall Ranch, large natural spring at north foot of "Airport Mesa," 0.75 mi. SW of Castaic Junction Santa Clara River Valley 305 Comment
  POM155748  Baccharis emoryi M. B. Dunkle 1928-10-7 2009 Los Angeles Santa Catalina Island, Middle Ranch Canyon. 183 Comment
  RSA654655  Baccharis glutinosa Fred Brooks 1988-4-3 2 Los Angeles San Antonio Canyon, above lower ranger station along stream and sides of canyon. Comment
  UC1605371  Baccharis malibuensis J. Henrickson 1991-9-27 22451 Los Angeles ca 6 air mi nw Malibu (1.2 mi nw of w end of Malibu Lake on n slopes of flat-topped hill); Santa Monica Mtns 228 Comment
  RSA128055  Baccharis pilularis Peter H. Raven, Henry J. Thompson 1959-9-6 14362 Los Angeles Salt marsh at mouth of Malibu Creek. 3 Comment
  CAS-BOT-BC106757  Baccharis salicifolia I. Johnston 1917-4-11 s.n. Los Angeles Wilmington Comment
  CATA951  Baccharis salicifolia Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-21 1816 Los Angeles Santa Catalina Island: Cottonwood Canyon, southeast of El Rancho Escondido 45 Comment
  LA94396  Baccharis salicifolia Norman A. Cole; May 1964 383 B Los Angeles SANTA MONICA MOUNTAINS, Piuma Rd, 1.2 mi from junction of Rambla Pacifico and Schuern Road. 685 Comment
  RSA226249  Baccharis salicifolia Gary D. Cromwell, David W. Wheat 1971-4-16 512 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mtns. 2 mi. NE of Glendora. 518 Comment
  RSA527718  Baccharis salicifolia Timothy S. Ross, A. R. Ross 1991-3-7 4157 Los Angeles Elephant hill: western Pomona; mesic draw near the SW base of the hill 235 Comment
  RSA624053  Baccharis salicifolia L. C. Wheeler 1967-5-23 9695 Los Angeles Near mouth of Bear Canyon, off Soledad Canyon 579 Comment
  SD253369  Baccharis salicifolia R. G. Swinney 2011-3-26 14213 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Canyon. 476 Comment
  UC57569  Baccharis salicifolia subsp. salicifolia J. H. Barber 1897-1-17 20 Los Angeles Sullivan's Canon Comment
  UC55078  Baccharis salicina Miss E. D. Palmer Los Angeles Los Angeles Comment
  UCD129494  Bahiopsis laciniata A. C. Sanders 2003-3-14 25754 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. 520 Comment
  UC1119010  Balsamorhiza deltoidea A. D. Gifford 1935-4-12 571 Los Angeles 4 mi wsw of Manzana; Tejon Quadrangle 1005 Comment
  JEPS31166  Balsamorhiza deltoidea Ernest C. Twisselmann 1962-4-18 6970 Los Angeles at Oso Corrals (Oso Canyon, Tejon Ranch); Oso Canyon 1005 Comment
  UCD129537  Bebbia juncea var. aspera G. H. Vansell 1936-6-1 s.n. Los Angeles Sawmill Mt. Comment
  CAS-BOT-BC75748  Berberis nevinii Carl B. Wolf 1932-7-6 6111 Los Angeles 2 blocks east of Pacoima Grammar School, Van Nuys Boulevard, San Fernando Valley. 335 Comment
  SBBG133009  Berberis nevinii M. Carroll 2012-3-26 Los Angeles N and S banks of drainage, Peck Park, San Pedro Comment
  SD28113  Berberis nevinii Carl B. Wolf 1932-7-6 3834 Los Angeles San Fernando Valley, Van Nuys Blvd., 2 blocks east of Pacoima Grammar School 334 Comment
  UCR52148  Berberis nevinii Steve Boyd, Dave Kelly 1986-6-20 1959 Los Angeles Transverse range, San Francisquito Canyon at LADWP pump station #2 Comment
  CAS-BOT-BC101997  Bidens pilosa Alice Eastwood 1906-5-27 81 Los Angeles Streets of Los Angeles Comment
  UC1537190  Bloomeria crocea Gordon H. True Jr. 1935-5-16 290 Los Angeles Bouquet Canyon; mouth, n slope 457 Comment
  CAS-BOT-BC482060  Bloomeria crocea var. crocea Alice Eastwood 1906-5-27 29 Los Angeles Garvanza Comment
  CAS-BOT-BC482133  Bloomeria crocea var. montana Steve Boyd; Timothy S. Ross; Laura Moore; Valerie Soza 1997-7-8 10015 Los Angeles Liebre Mountains region: Upper northern flank of Liebre Mountain at head of Tentrock Canyon along dirt track northeast of Forest Service wildlife drinker site 1584 Comment
  RSA0128746  Boechera californica Marion P. Harthill 1975-5-12 719 Los Angeles Cat Canyon Comment
  JEPS53159  Boechera repanda Frank W. Peirson 1919-6-14 507 Los Angeles Rock Creek 1706 Comment
  UCR193590  Boschniakia strobilacea R. G. Swinney 1999-8-9 7602 Los Angeles San Gabriel Mtns., Big Horn Ridge, c. 1.5 mi SW of West Baldy peak of Mt. San Antonio 2402 Comment
  RSA534034  Bowlesia incana Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5279 Los Angeles San Clemente Island. Westerly fork of Near-Death Canyon, draining to Mosquito Cove(drainage beginning 800 ft. N of Rest 1336 marker; 1800 ft SE of Malo Knoll (1396 ). Upper portion of drainage. 305 Comment
  RSA466774  Boykinia rotundifolia Thekla Mohr 1951-1 s.n. Los Angeles San Gabriel River. Comment
  CATA1122  Brachypodium distachyon Mark L. Hoefs 1995-5-23 2089 Los Angeles Santa Catalina Island: Near Middle Canyon Road, just below Eagles Nest Lodge 121 Comment
  RSA637504  Brachypodium distachyon Valerie L. Soza, LeRoy Gross 1999-5-10 449 -B Los Angeles San Gabriel Mountains: Foothills above Glendora, west of Colby Trail, at end of Loraine Avenue. 378 Comment
  RSA724771  Brassica fruticulosa K. Dobry 1991-4-4 400 Los Angeles Elsmere Cyn. West San Gabriel Mts Comment
  UCR150033  Brassica fruticulosa Scott D. White 2001-2-4 8155 Los Angeles San Gabriel Mtns, Cismontane foothills; Evey Canyon, a tributary to San Antonio Canyon just above San Antonio Flood Control Dam 854 Comment
  RSA482932  Brassica rapa Freda Detmers 1930-1-18 s.n. Los Angeles In vacant lot, Verdugo near Glendale. Comment
  LA203094  Brickellia californica Louis C. Wheeler; 1931-10-11 247 Los Angeles San Gabriel Mountains, foothills; 1 mi. E. Palmer Canyon 609 Comment
  RSA0105000  Brickellia californica R. G. Swinney 2011-10-25 15865 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
  UC1584103  Brickellia californica Tim Ross and Orlando Mistretta 1990-10-24 3293 Los Angeles 0.6 mi e of San Gabriel Reservoir (slope between Venedo and Minero Canyons along Upper Monroe Road, San Gabriel Mountains); San Gabriel Mountains 745 Comment
  CAS-BOT-BC106136  Brickellia nevinii Peter H. Raven 1961-9-24 16757 Los Angeles Road in Sand Creek 1 mile north of summit above Pacoima Canyon 731 Comment
  UCD85243  Brodiaea filifolia Christopher Michael Bronny 2010-6-8 24 Los Angeles Los Angeles County; Southern end of Glendora Fuelbreak; San Gabriel Mountains. 600 Comment
  RSA716619  Bromus arenarius Andrea Edwards, Pam De Vries 2006-5-15 109 Los Angeles triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  CAS-BOT-BC149339  Bromus arizonicus Geo. B. Grant 1902-5-1 117 Los Angeles Pasadena. Comment
  RSA596138  Bromus carinatus Timothy S. Ross, Steve Boyd 1995-6-29 8657 Los Angeles Near west summit of LIEBRE MOUNTAIN 1707 Comment
  RSA729327  Bromus carinatus R. G. Swinney 1999-6-30 7465 Los Angeles San Gabriel Mtns.: upper Boneyard Canyon c. 300 m south of Camp Jubilee Rd. intersection, Pinon Hills 1463 Comment
  UCR213412  Bromus carinatus A. C. Sanders, Dan S. Cooper 2010-3-12 37333 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  SEINET10971812  Bromus carinatus David B. Dunn 1941-2-21 Dunn 679 Los Angeles Two blocks s of santa monica blvd on westwood blvd. Comment
  UCR147778  Bromus carinatus var. carinatus Valerie Soza, L. Lubinsky 2000-6-23 1026 Los Angeles San Gabriel Mountains, South Fork Little Rock Creek, SW Pinyon Flats, NE Alder Saddle 1646 Comment
  POM364003  Bromus catharticus Bruce M. Crawford 1932-4-16 s.n. Los Angeles Los Angeles outskirts. Comment
  RSA0034975  Bromus catharticus P. R. Brown 1970-4-7 s.n. Los Angeles Canon de Lana. [county not specified] Comment
  CATA1168  Bromus diandrus Mark L. Hoefs 1995-5-30 2162 Los Angeles Santa Catalina Island: In and near water course, just above Ben Weston Beach 15 Comment
  RSA0036300  Bromus diandrus LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6976 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
  UCSB68614  Bromus diandrus Gross, LeRoy; Fraga, Naomi; Hogshead, Bill 2002-3-21 Los Angeles Los Angeles Basin; Verdugo Mtns Region; SW side, S of La Tuna Canyon Rd, at end of Morning Glow Way; Burbank 7.5 Quad (T2N R14W S28) 411 Comment
  CAS-BOT-BC155582  Bromus grandis Le Roy Abrams 1902-7-2 2632 Los Angeles Little Santa Anita Canyon. Comment
  IRVC26306  Bromus grandis Mark A. Elvin, Cathleen Weigand 2003-5-22 2908 Los Angeles crest of mountains at head of Salt Canyon, Newhall Ranch Santa Susana Mtns. 915 Comment
  POM1263  Bromus grandis D. L. Crawford 1916-5-20 s.n. Los Angeles Mountains above Claremont. Comment
  UCR51555  Bromus grandis Lyman Benson 1945-6-5 11766 Los Angeles Transverse Ranges; San Gabriel Mountains, Cold Spring, 2.5 miles southwest of Camp Baldy on the Glendora Road 1372 Comment
  UCR129887  Bromus hallii Victor Duran 1933-7-20 3521 Los Angeles San Gabriel Mtns., Buckhorn 1982 Comment
  POM363863  Bromus hordeaceus Anstruther Davidson 1890-04 s.n. Los Angeles Los Angeles. Comment
  POM363874  Bromus hordeaceus A. M. Johnson 1933-5-17 4247 Los Angeles Del Rey Salt Marsh. Comment
  RSA0088421  Bromus hordeaceus R. G. Swinney 2010-2-27 11759 Los Angeles Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash. 331 Comment
  RSA777879  Bromus hordeaceus R. G. Swinney 2009-6-8 11103 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  SEINET7106140  Bromus hordeaceus K. Dobry 1991-5-13 482 Los Angeles West San Gabriel Mts. at Elsmere Canyon.; 0 Comment
  UC1584044  Bromus laevipes Tim Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4023 Los Angeles ne of Tie Summit Station (e of Angeles Forest Highway, San Gabriel Mountains, Angeles National Forest, Tujunga Ranger District, (w drainage that meets Tie Canyon)); San Gabriel Mountains, Angeles National Forest, Tujunga Rang 1524 Comment
  CAS-BOT-BC162338  Bromus madritensis Steven A. Junak 1997-4-24 SCI- 873 Los Angeles San Clemente Island. West side of flats just south of Wall Rock Canyon. 198 Comment
  UCR104098  Bromus madritensis subsp. madritensis Scott D. White 1997-5-21 5211 Los Angeles San Gabriel Mtns., San Gabriel River Canyon: north of Azusa, slope above Hwy 39, above San Gabriel Reservoir 488 Comment
  UCR106056  Bromus madritensis subsp. madritensis Scott D. White, Chet McGaugh 1995-6-6 3223 Los Angeles Santa Susana Mtns., E edge of range, just west of San Gabriel Mtns. 'Sunshine Canyon' (name not shown on topo): Sunshine Canyon Landfill Property, west of San Fernando Road and Hwy I-5, just SW of interchange with State Route 14 (Fwy) 488 Comment
  UCR282331  Bromus madritensis subsp. madritensis D. E. Bramlet 2011-5-16 4837 Los Angeles Rio Hondo College parking lot, 1975 ft. east of the 605 freeway & 330 ft. east of Workman Mill Rd., 190 ft. south of Canyon Drive 88 Comment
  LA33362  Bromus madritensis subsp. rubens Peter H. Raven; 1959-5-3 14056 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Drive near Beverly Glen Blvd. 380 Comment
  LA43826  Bromus madritensis subsp. rubens Carl Epling; 1925-4-18 6764 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA557824  Bromus rubens D. Charlton 1989-4-7 2830 Los Angeles Kentucky Springs, 1 mile south of Highway 14 on Sierra Highway. Comment
  RSA588063  Bromus rubens Orlando Mistretta 1994-4-15 1046 Los Angeles Sn Gabriel Mountains, Santiago Canyon: W slopes of drainage near confluence with Little Rock Creek. 1037 Comment
  SBBG13319  Bromus rubens M. A. Piehl 1962-6-9 62368 Los Angeles Thirst 597 Comment
  UCR255758  Bromus rubens R. G. Swinney 2010-5-12 12716 Los Angeles San Gabriel Mountains/Mojave Desert, Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone 921 Comment
  RSA603330  Bromus sterilis Scott D. White 1997-5-21 5211 Los Angeles San Gabriel River Canyon: N of Azusa; roadside along Highway 39 above San Gabriel Reservoir. 476 Comment
  RSA624472  Bromus sterilis L. C. Wheeler 1973-5-6 s.n. Los Angeles San Gabriel Mountains: Near the mouth, east side Little Tujunga. Near BM. 1227 487 Comment
  UCD59725  Bromus sterilis Marian Vincent 1964-6-24 580 Los Angeles Wrightwood Road at old Ice Skating Rink across the road from Camp Centinella 3 miles west of Wrightwood. Comment
  OBI2547  Bromus tectorum Larry E. Brown 1970-5-2 1792 Los Angeles In northern foothills of the San Gabriel mts ca. 0 mi S of Joshua Tree State park Comment
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Nov 11 2014
  RSA0019968  Bromus tectorum David Griffiths 4092 Los Angeles North Fork and vicinity. Comment
  LA94734  Buddleja davidii J. Feldman; 1959-6-15 sn Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek Comment
  CATA1354  Caesalpinia spinosa Mark L. Hoefs, Robert F. Thorne 1995-7-26 2465 Los Angeles Santa Catalina Island: Middle Canyon, along road, above Eagle's Nest Lodge 146 Comment
  LA201801  Cakile maritima Arthur C. Gibson; 2003-6-11 4884 Los Angeles 4 Comment
  SD255841  Calandrinia breweri R. G. Swinney 2010-3-22 12004 Los Angeles San Gabriel Mountains: West Fork Kagel Canyon, 0.5 miles west of Kagel Canyon Rd, along Lopez Rd, 10-100 meters east of Lopez Rd (San Fernando 7.5'Q) 164 Comment
  RSA466540  Calandrinia ciliata Bonnie C. Templeton 1930-4-2 1407 Los Angeles Mulholland Dr., Northwest of Hollywood 600 Comment
  SD107923  Calandrinia maritima Larry DeBuhr 1977-4-16 2566 Los Angeles Santa Catalina Island; coastal bluffs around Little and Shark Harbours Comment
  SBBG12319  Calandrinia menziesii P. H. Raven 1962-4-10 17198 Los Angeles summit of Thirst 579 Comment
  RSA68669  Calochortus albus Frank W. Peirson 1920-6-10 2163 Los Angeles Little Santa Anita Canyon, San Gabriel Mountains 1067 Comment
  RSA0066236  Calochortus albus Kay H. Beach 1942-5-29 636 Los Angeles Flumes 4 and 5, on hill across from cabin, San Dimas Experimental Forest. San Gabriel Mountains. Comment
  CAS-BOT-BC132263  Calochortus catalinae Frank T. II Callahan 1989-8-21 580 Los Angeles Santa Monica Mtns off Mulholland Dr. Comment
  CAS-BOT-BC132289  Calochortus catalinae John I. Carlson 1918-4-24 s.n. Los Angeles Hollywood Comment
  RSA133380  Calochortus catalinae Peter H. Raven, Henry J. Thompson 1959-4-3 13929 Los Angeles Las Flores Canyon 3.8 miles north of Coast Highway. 549 Comment
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Mar 25 2017
  RSA377306  Calochortus catalinae M. B. Dunkle 1933-4-19 3324 Los Angeles Palos Verde Hills. Comment
  RSA377310  Calochortus catalinae Freda Detmers 1931-3-12 s.n. Los Angeles Palo Verdes Hills Comment
  SD39100  Calochortus catalinae Edith A. Purer 1935-5-11 6558 Los Angeles Malibou Road, Santa Monica Mountains. Comment
  UC575012  Calochortus catalinae E. Lloyd 1933-4-8 Los Angeles Temescal Canyon Santa Monica Mts. Comment
  SEINET12044758  Calochortus catalinae F. R. Fosberg 1931-1 54456 Los Angeles divide between Hamilton and Descanso Canyons, Santa Catalina Island 200 Comment
  CAS-BOT-BC132353  Calochortus clavatus Timothy S. Ross; Steve Boyd 1994-5-25 7952 Los Angeles Necktie Basin: Hanging basin ca 470-830 m W of Warm Springs Mtn summit 1075 Comment
  RSA0050037  Calochortus clavatus Wendy Boes, Kevin McCrummen 2009-5-25 2009 -016 Los Angeles Western Transverse Ranges; Sierra Pelona Ridge off Forest Rd. 6N07 1311 Comment
  RSA0000309  Calochortus clavatus var. gracilis E. Crow 1930-6-28 s.n. Los Angeles Bichota Canyon - North Fork, San Gabriel Canyon. Comment
  RSA131241  Calochortus clavatus var. gracilis Percy C. Everett, E. K. Balls 1959-6-2 23827 Los Angeles NE of entrance to Stokes Canyon, Santa Monica Mountains. 183 Comment
  RSA600025  Calochortus clavatus var. gracilis Steve Boyd, Lauren Raz 1997-5-6 9710 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, north of confluence with Bee Canyon and south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  RSA627539  Calochortus clavatus var. gracilis Sandy Leatherman, Brian Daniels 1998-5-8 3 Los Angeles Santa Monica Mountains: S of Woolsey Canyon Road, down the existing dirt road. 366 Comment
  RSA641373  Calochortus clavatus var. gracilis Orlando Mistretta 1995-6-23 1838 Los Angeles San Gabriel Mountains: Lookout Mt. Trail. 1814 Comment
  UCR174486  Calochortus clavatus var. gracilis Anuja Parikh, Nathan Gale 2005-4-22 2104 Los Angeles Western Transverse Range, Newhall Ranch (study area 51), VCC, near Castaic Creek 330 Comment
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Apr 9 2009
  RSA549489  Calochortus invenustus Timothy S. Ross, Steve Boyd 1990-6-18 3476 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  RSA747182  Calochortus invenustus Orlando Mistretta 1992-6-25 614 Los Angeles Horse Flats. Comment
  UCR146266  Calochortus palmeri var. palmeri Orlando Mistretta 1995-6-23 1870 Los Angeles Transverse Ranges; San Gabriel Mountains, head of Little Rock Creek c. 0.5 mile downstream from Alder Saddle 1509 Comment
  SEINET9120657  Calochortus plummerae R. R. Ferber 1991-1 910719 C Los Angeles Clear Creek Ranger Station, Angeles Crest Highway, San Gabriel Mts. 1158 Comment
  RSA778570  Calochortus weedii var. intermedius David E. Bramlet, A. Rudalevige 2010-6-22 4725 Los Angeles Chino-Puente Hills region: Upper Brea Canyon, beside dirt access road 137 m W of the Brea Ridge MtrWay and 703 m E of Brea Canyon Road. 287 Comment
  RSA710182  Calycoseris parryi LeRoy Gross 2005-5-3 2218 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  RSA0095244  Calyptridium monandrum R. G. Swinney 2011-6-7 15025 Los Angeles San Gabriel Mountains: Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road 1585 Comment
  UCR223054  Calyptridium monandrum R. G. Swinney 2009-5-5 10646 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  RSA225930  Calyptridium parryi R. F. Thorne, C. W. Tilforth, John Dourley 1971-7-27 41066 Los Angeles Angeles National Forest: summit of Mt. San Antonio (Old Baldy) 3067 Comment
  RSA710774  Calystegia macrostegia subsp. arida R. K. Brummitt 1998-5-24 20000 Los Angeles Foot of Mt. Baldy Road just N of Claremont; rocky roadside. 600 Comment
  UCR231071  Calystegia macrostegia subsp. arida Dan S. Cooper 2011-9-19 s.n. Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Forest Lawn Dr. adjacent to Forest Lawn Cemetery 159 Comment
  LA105361  Calystegia macrostegia subsp. intermedia Barry A. Prigge; 1989-4-23 8457 Los Angeles Santa Susana Mountains, Devil Canyon: 1.4 air mi. NW of junction of Simi Valley Frwy and Topanga Canyon Blvd 518 Comment
  RSA199045  Calystegia macrostegia subsp. intermedia W. M. Gauntt 1966-4-30 182 Los Angeles Glendora Mt. Ridge Road. 1/2 mile south of ''Y'' to Mt. Baldy. 914 Comment
  UCR195257  Calystegia macrostegia subsp. intermedia Valerie Soza, Susan Caplow 2003-4-11 1634 Los Angeles Transverse Ranges; Verdugo Mountains, Brand Park vicinity, upper Brand Canyon, alongside Brand Park Motorway 549 Comment
  SDSU20291  Calystegia macrostegia subsp. macrostegia Patrick McConnell 2003-4-7 28 Los Angeles Horse beach Creek in chalk canyon growing immediate to Malacothamnus clementinus, 1/2 mile to 3/4 mile up canyon from beach, San Clemente Island. 30 Comment
  JEPS31619  Calystegia occidentalis subsp. fulcrata Frank W. Peirson 1919-6-14 497 Los Angeles Rock Creek , Rock Creek (San Gabriel Mountains) 1905 Comment
  RSA0004010  Calystegia occidentalis subsp. fulcrata F. W. Peirson 1929-7-1 8448 Los Angeles Mt. Pacifico. 1905 Comment
  RSA639841  Calystegia peirsonii Sandy Leatherman, Brian Daniels 1998-11-10 59 Los Angeles Bouquet Canyon: Direstly west of the intersection of Bouquet Canyon Road and Vasquez Canyon Road. 487 Comment
  RSA702966  Calystegia peirsonii Scott D. White, Pam DeVries 2004-5-18 10443 Los Angeles Eastern Santa Susana Mtns. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  RSA228887  Camissonia bistorta Robert F. Thorne 1971-6-26 40622 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Tujunga Canyon 427 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
  RSA466160  Camissonia californica George Vowels 1968-3-19 s.n. Los Angeles Santa Monica Mountains, Encinal Canyon, approx. 1.5 milesW of Mulholland Highway. 335 Comment
  RSA0081710  Camissonia campestris R. G. Swinney 2010-5-19 12791 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
  SFV2526  Camissonia campestris P. G. Kilburn 1958-4-12 728 Los Angeles Mojave Desert Palmdale, N and 30th Street, 5 miles NW of downtown. 3 miles west of US #6 on north side of road. In sandy soil. 790 Comment
  POM49681  Camissonia campestris subsp. campestris W. R. Dudley, F. H. Lamb 1896-6-12 4442 Los Angeles Near Gorman's Station. Comment
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Jan 27 2012
  RSA680171  Camissonia campestris subsp. campestris Scott D. White 2003-6-8 s.n. Los Angeles Near Lake Los Angeles. North of Avenue O and east of 150th St. E. 802 Comment
  RSA728335  Camissonia campestris subsp. campestris Gary D. Wallace 1982-4-17 1909 Los Angeles Mojave Desert: Fort Tejon Road S of Pearblossom, between 106th and Longview Road. Comment
  RSA799806  Camissonia campestris subsp. campestris Pam De Vries 2013-4-3 7824 Los Angeles Tehachapi Muntains/Western Transverse Range (Gorman Hills). About 0.5 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Rd. 1032 Comment
  SD41979  Camissonia campestris subsp. campestris Darley F. Howe 1947-5-5 1534 Los Angeles Between Palmdale and Littlerock. Comment
  RSA659815  Camissonia cheiranthifolia Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-4 110 Los Angeles San Clemente Island. Comment
  RSA599513  Camissonia graciliflora Steve Boyd, Lauren Raz 1997-3-26 9338 Los Angeles Liebre Mountains region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 976 Comment
  RSA448985  Camissonia hirtella Anstruther Davidson s.n. Los Angeles Mt Wilson. Comment
  RSA755464  Camissonia hirtella R. G. Swinney 2008-7-16 9267 Los Angeles just north of confluence of Cooper Creek Canyon and Little Rock Creek Canyon, along trail. 1720 Comment
  RSA652353  Camissonia micrantha A. Mayor, N. Daly 1973-5-5 s.n. Los Angeles Tapia Park, Malibu Cyn. Comment
  RSA725206  Camissonia pallida subsp. pallida Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -45 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  POM3109  Camissonia strigulosa O. W. Robinson 1916-4-20 s.n. Los Angeles Near Science Hall, Pomona College, Claremont. Comment
  RSA0107284  Camissonia strigulosa R. G. Swinney 2011-5-10 14659 Los Angeles San Gabriel Mountains: Los Pinetos Canyon, east end of Placerita Cyn. Natural Area at Walker Ranch. 573 Comment
  LA46667  Camissoniopsis bistorta M. Zaitlin; 1951-4-8 sn Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  OBI70931  Camissoniopsis bistorta Steve Boyd, Lauren Raz 1997-3-25 9312 Los Angeles Liebre Mts region. Upper end of broad alluvial valley at head of Cienaga Cyn, S base of Liebre Mtn, at end of dirt rd leading 1 km NE of Knapp Ranch 1280 Comment
  LA105302  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Barry A. Prigge; David S. Verity 1988-10-6 8338 .2 Los Angeles 12 Comment
  SDSU3370  Camissoniopsis confusa H. Wedberg 1958-4-12 578 Los Angeles At north-east end of tunnel on Solemint-Acton road. Comment
  LA46736  Camissoniopsis intermedia Carl Epling; Lincoln Ellison Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon. Comment
  SD124525  Camissoniopsis micrantha J. Sauer, Hart Walter 1980-5-30 6102 Los Angeles Santa Monica Mtns, above Mount St. Mary's College, Brentwood Comment
  UCD103573  Camissoniopsis micrantha Louis C. Wheeler 1947-4-20 6468 Los Angeles San Gabriel Mountains. Kinneloa Canyon. Comment
  RSA0135550  Canbya candida David E. Bramlet 2016-6-2 5305 Los Angeles Mt. Emma Road, 3,900 ft. northeast of Angeles Forest Highway, 6,000 ft. east of Kentucky Springs & 3,640 ft. south of BP&L Road. Northwest facing slope of Mt. Emma. 1209 Comment
  RSA66294  Canbya candida F. W. Peirson 1921-5-19 2412 Los Angeles Little Rock Creek: north base of San Gabriel Mountains. 1037 Comment
  CAS-BOT-BC37456  Cardamine californica Ernest Braunton 1903-1-10 789 Los Angeles Arroyo Seco. Comment
  UC10412  Cardamine californica J. H. Barber 1897-1-17 18 Los Angeles Sullivan's Canyon Sullivan's Canyon (Southern California) Comment
  POM369318  Cardamine californica var. californica Ella M. Kennedy 1923-2-18 s.n. Los Angeles San Gabriel Canyon Comment
  JEPS53397  Cardamine californica var. integrifolia Frank W. Peirson 1918-10-16 265 Los Angeles Pacoima Canyon San Gabriel Mts., Pacoima Canyon (San Gabriel Mountains) 548 Comment
  RSA801743  Cardaria pubescens D. M. McF, G. C. F. 1954-5-18 s.n. Los Angeles A and 70th. Lancaster. 762 Comment
  CDA6819  Carduus nutans George Garrettson 1954-6-1 Los Angeles San Vicente Ranch, Walnut. 0 Comment
  UCR273586  Carduus pycnocephalus R. G. Swinney 2011-4-26 14489 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
  RSA0021698  Carex Duncan S. Bell, Caitlin Elam 2013-6-24 5271 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
  RSA0097523  Carex R. G. Swinney 2011-9-27 15710 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
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Feb 19 2020
  UCR210345  Carex R. G. Swinney 2008-10-16 9598 Los Angeles San Gabriel Mtns., Jackson Lake, south side of Big Pines Highway 1872 Comment
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Sep 12 2018
  CAS-BOT-BC17686  Carex alma I. Johnston 1917-5-13 27 E Los Angeles El Monte. 121 Comment
  RSA760699  Carex alma R. G. Swinney 2008-8-14 9435 Los Angeles South Fork Big Rock Creek at South Fork Campground Spring 1402 Comment
  UCR199826  Carex alma Steve Boyd, Amber Maurice 2004-5-18 11336 Los Angeles Transverse Ranges; Liebre Mountains region, Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain 610 Comment
  RSA226189  Carex alma Gary D. Cromwell 1971-5-8 630 Los Angeles Mystic Canyon, 2 mi NE of Glendora 426 Comment
  JEPS48978  Carex fracta Joseph A. Ewan 1932-6-16 7291 Los Angeles Charlton Flats San Gabriel Mts., Charlton Flats 1524 Comment
  RSA229085  Carex fracta Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38857 Los Angeles San Gabriel Mts., Angeles National Forest: Wet, open N-facing slope above Angeles Crest Hwy. at headwater of S Fork, Big Rock Creek, c. 1.7 mi. S of Dawson Saddle 2317 Comment
  CAS-BOT-BC32083  Carex multicaulis George B. Grant 1906-6-17 138 Los Angeles Summit Mt. Wilson 1828 Comment
  UCR180371  Carex praegracilis Scott D. White, Pam Devries 2006-5-9 11417 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
  CAS-BOT-BC118428  Carex praegracilis George B. Grant 1904-6-5 6265 Los Angeles Ballona Salt Marsh Comment
  POM11449  Carex praegracilis Phillip A. Munz, R. D. Harwood 1920-3-13 3324 Los Angeles San Jose Hills, Ganesha Park. 305 Comment
  SBBG119541  Carex schottii V. Soza, L. Moore 2000-6-14 1015 Los Angeles spring at Big Cienega, ca. 0.6 mi NE of Deer Flat Cmpgrd along S Hawkins Rd (FS Rd 3NO7.2) 1981 Comment
  UC285004  Carex schottii P. A. Munz 1923-5-1 7775 Los Angeles Puddingstone Canyon San Dimas 243 Comment
  LA17903  Carex senta Carl Epling; L. Ellison 1929-3-16 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA720363  Carex spissa LeRoy Gross 2007-3-30 2613 Los Angeles Northeast side of the range. Unnamed canyon or east branch of Engleheard Canyon. Hiked this creek from just off a dirt road near the mouth to a little way up canyon., From 34.20590N, 118.24818W, to 34.20117N, 118.25262W. 404 Comment
  CAS-BOT-BC117315  Carex spissa H. E. Hasse 1888-5-10 s.n. Los Angeles Canyon near Glendale. Comment
  UC212824  Carex spissa G. B. Grant 1904-5-5 6190 Los Angeles Arroyo Seco, Pasadena Comment
  CAS-BOT-BC116597  Carex subfusca LeRoy Abrams 1901-7-1 1933 Los Angeles Mt. San Antonio. 3048 Comment
  CAS-BOT-BC116603  Carex subfusca John Thomas Howell 1947-7-18 23431 Los Angeles Big Pines, San Gabriel Mts. 2103 Comment
  JEPS63637  Carex triquetra Dr. A. Davidson 1895-1 Los Angeles Mt. Wilson Comment
  LA18014  Carex triquetra Carl Epling; Lincoln Ellison 1929-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  SDSU10549  Castilleja affinis R. M. Beauchamp 1967-3-20 373 Los Angeles Santa Catalina Island. On cliffs and slopes above beach road south of Avalon. Comment
  LA32205  Castilleja affinis Henry J. Thompson; 1959-3-27 1875 Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon, 0.5 mi from Coast Hwy on Rambla Padifica Rd. 60 Comment
  RSA491784  Castilleja affinis James L. Reveal 1988-5-17 6792 Los Angeles Along the Bouquet Canyon Road east of Bouquet Reservoir, 3.1 miles east of the junction of Green Valley (or Spunky Canyon) Road and 3.3. miles southwest of the junction of Elizabeth Lake Road (County Road N2) in Leona Valley., At the junction of San Franciscito Road at the Angeles National Forest boundary. 1128 Comment
  JEPS23845  Castilleja affinis subsp. affinis Henry J. Thompson 1959-3-27 1875 Los Angeles 0.5 mi from Coast Highway (on Rambla Pacifica Road); Santa Monica Mountains, Las Flores Canyon 60 Comment
  UCR189967  Castilleja applegatei R. G. Swinney 1998-8-31 6871 Los Angeles San Gabriel Mtns., San Antonio Ridge, 0.9 mi. west of Mt. Baldy, east of saddle 2500 Comment
  POM308416  Castilleja applegatei subsp. martinii Henry J. Ramsey, Henry J. Ramsey 1937-7-18 3104 Los Angeles Soldier's Creek, San Gabriel Mountains Comment
  JEPS10623  Castilleja exserta subsp. exserta W. L. Jepson 1939-4-21 19218 Los Angeles San Fernando Comment
  RSA681187  Castilleja foliolosa Michael Honer, Dylan Hannon 2003-7-1 s.n. Los Angeles Liebre Mts: Tapia Canyon area, ca. 2 - 3 air miles west of I-5 Freeway junction with Ridge Rt. Rd. 396 Comment
  SBBG79252  Castilleja foliolosa F. R. Fosberg 1931-3-18 4292 Los Angeles Hamilton Cyn 10 Comment
  SEINET6041246  Castilleja foliolosa Unknown 8359 Los Angeles Liebre Mountains Comment
  RSA505067  Castilleja gleasoni Orlando Mistretta 1987-6-25 s.n. Los Angeles Angeles National Forest, San Gabriel Mountains; Lightning Point Group campground; near the perimeter of the campground. Comment
  JEPS3126  Castilleja plagiotoma F. W. Peirson 1918-6-18 210 Los Angeles n side San Gabriel Mts. (Lower Rock Creek canyon) 1219 Comment
  SD253505  Castilleja plagiotoma R. G. Swinney 2011-6-23 15296 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek, 100-200 m south of Chilao Station (Chilao Flat 7.5'Q) 1570 Comment
  UCR143224  Caucalis microcarpa F. R. Fosberg 1931-4-15 S- 4616 Los Angeles Channel Islands, Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island 200 Comment
  UCR65207  Caucalis microcarpa F. R. Fosberg 1931-4-10 S- 04544 Los Angeles Channel Islands, Santa Catalina Island, Avalon Canyon below Pacific Divide 190 Comment
  POM184669  Caulanthus amplexicaulis var. amplexicaulis Joseph A. Ewan 1932-5-29 7183 Los Angeles Arrastre Canyon 1402 Comment
  RSA628557  Caulanthus amplexicaulis var. amplexicaulis L. C. Wheeler 1967-8-25 10533 Los Angeles Angeles National Forest: near Reed Spring, South Fork Big Rock Creek, E side Mt. Williamson 1859 Comment
  RSA429556  Caulanthus amplexicaulis var. amplexicaulis George R. Johnstone 1930-6-26 15897 Los Angeles Above Coldbrook and San Gabriel Canyons. 1524 Comment
  RSA25762  Ceanothus arboreus Carl B. Wolf 1941-6-24 10890 Los Angeles About 2 mi. from Avalon on road to the isthmus. Comment
  UC18244  Ceanothus arboreus Blanche Trask 1896-2-1 Los Angeles Avalon Santa Catalina Island 304 Comment
  PASA1637  Ceanothus cordulatus Margaret Stason 1931-6-13 Los Angeles Buckhorn Flats, San Gabriel Mts. Comment
  RSA596425  Ceanothus cordulatus Tim S. Ross, S. D. Boyd, Peter Fritsch 1990-6-11 3360 Los Angeles Big Rock Creek Canyon: ca 120 m NNW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin). 1732 Comment
  SD72253  Ceanothus cordulatus Jeannette L. Huber 1969-5-25 973 Los Angeles One mile east of Kratka Ridge, Pleasant View Ridge Trail, San Gabriel Mountains 2286 Comment
  RSA398857  Ceanothus crassifolius Bonnie C. Templeton 1931-4-8 s.n. Los Angeles Below 'Big Pines Camp'. Comment
  UCR198398  Ceanothus crassifolius Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 764 Los Angeles Transverse Ranges; Verdugo Mountains, south side, above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Motorway 488 Comment
  LA41992  Ceanothus crassifolius W. E. Pequegnat; 1938-2-12 sn Los Angeles Santa Ana Mountains, E ridge of Coldwater Canyon 380 Comment
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Feb 10 2015
  CAS-BOT-BC48871  Ceanothus cuneatus C. F. Baker 1904-3-18 4055 Los Angeles Claremont Comment
  UC1070675  Ceanothus greggii A. Lewis 1934-2-1 280 Los Angeles Iron Mountain San Fernando quad., Angeles National Forest 1341 Comment
  RSA771572  Ceanothus integerrimus R. G. Swinney 2009-6-2 11008 Los Angeles East slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UC56050  Ceanothus integerrimus J. H. Barber 1897-7-2 233 Los Angeles Bear Canyon Comment
  CAS-BOT-BC50557  Ceanothus leucodermis George B. Grant; Walter Wheeler 1904-5-17 145 a Los Angeles Mt. Wilson 1828 Comment
  OBI78706  Ceanothus leucodermis Jill M. Bushakra, John Bushakra 2001-6-2 119 Los Angeles Pine Canyon, Pine Canyon and Schaffer Roads. 762 Comment
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Mar 23 2015
  RSA651871  Ceanothus leucodermis Michael Krawczyk 1981-4-26 3 Los Angeles 200 yards down canyon on north side of Highway 39, 2 miles south of Rincon forest station in the San Gabriel Mtns. Comment
  UCR108372  Ceanothus leucodermis L. C. Wheeler 1961-6-13 7870 Los Angeles San Gabriel Mtns, Pacoima Canyon at Bad Canyon 1098 Comment
  UCR216918  Ceanothus leucodermis R. G. Swinney 2009-3-16 10118 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
  UCR124622  Ceanothus megacarpus I. W. Clokey, B. C. Templeton 1929-1 4508 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  UCR168234  Ceanothus megacarpus subsp. insularis Reid Moran 1941-3-5 679 Los Angeles Channel Islands; Santa Catalina Island, Salta Verde 350 Comment
  RSA158347  Ceanothus megacarpus var. insularis Peter H. Raven 1962-5-9 17704 Los Angeles Just N of Gray, San Clemente Island. 366 Comment
  UC1070894  Ceanothus megacarpus var. megacarpus F. H. Raymond 1930-1-9 21 Los Angeles Trances Canyon Truinfo Pass quad. 457 Comment
  RSA783278  Ceanothus spinosus J. D. Olmsted 1959-3-23 302 Los Angeles Foot of San Gabriel Mts: San Antonio wash. Blanchard park on Pomona college campus near Claremont. 366 Comment
  SEINET11736536  Cedrus libani Unknown 1921-1 s.n. Los Angeles Los Angeles Comment
  RSA674580  Centaurea maculosa Scott D. White 2000-8-25 8128 Los Angeles San Gabriel Mts: Tanbark Flats, in San Dimas Experimental Forest. 732 Comment
  RSA607947  Centaurea melitensis L. C. Wheeler 1932-9-5 1348 Los Angeles San Antonio Canyon, San Gabriel Mountains. 884 Comment
  RSA534047  Centaurea melitensis Timothy S. Ross, Orlando Mistretta 1991-5-19 5271 Los Angeles San Clemente Island. Westerly fork of Near-Death Canyon, draining to Mosquito Cove. 1800 ft SE of Malo Knoll 426 Comment
  POM48115  Centaurea repens R. W, Hodgson 1920-7-12 s.n. Los Angeles Artesia Comment
  UCR95171  Centaurea solstitialis Steve Boyd, M. Elvin, V. Jotikasthira 1996-6-25 8867 Los Angeles Liebre Mtns, along the Ridge Route west of Castaic Cyn, 1.3 mi. north of the jct w/ Templin Hwy. 854 Comment
  RSA226007  Centaurium exaltatum Robert F. Thorne 1971-6-29 40694 Los Angeles San Gabriel Mountains, Angles National Forest: ca. 2.2 miles down Aliso Canyon from junction with Angeles Forest Road. 1037 Comment
  RSA533449  Centranthus ruber Tim S. Ross 1991-4-21 4498 Los Angeles Whittier Hills (Puente Hills, pro parte): E-facing road embankment along Turnbull Canyon Road. 274 Comment
  CAS-BOT-BC288835  Centromadia parryi subsp. australis Carl B. Wolf 1932-9-16 4098 Los Angeles Bryant Ranch, near Long Beach, near Pacific Western Oil Co lease 3 Comment
  SD215391  Centromadia parryi subsp. australis D. Bramlet 1996-10-22 2480 Los Angeles Texaco Bryant lease oil field, approximately 91.6 meters southeast of the intersection of Studebaker Rd. and Westminster Ave. About 412 meters west of the San Gabriel River. 3 Comment
  SBBG62324  Centrostegia thurberi R. Hoffmann 1929-5-20 Los Angeles Harold Comment
  UCR256616  Centrostegia thurberi Anuja Parikh, Nathan Gale 2011-6-8 3428 Los Angeles Western Transverse Range; eastern Liebre Mountains, Sierra Pelona, Portal Ridge, 1.5 km west of Godde Hill Road, 1.1 km south of California Aqueduct 1100 Comment
  UC1409192  Centrostegia thurberi var. thurberi C. W. Tilforth, John Dourley 1973-5-24 824 Los Angeles 2 mi ene of Valyermo (San Gabriel Mountains, Bob's Gap); San Gabriel Mountains, Bob's Gap Comment
  UCR142795  Ceratophyllum demersum L. C. Wheeler 1933-10-22 2196 Los Angeles San Gabriel Mountains, Crystal Lake 1707 Comment
  UCR114206  Cercocarpus betuloides A. C. Sanders, D. Malueg 1998-6-24 22072 Los Angeles San Gabriel Mtns., brushy SE facing slope on ridge c. 3.5 mi. NE of Big Tujunga Dam, just below VABM 'Wreck', So. Cal. Edison Mesa-Vincent transmission line at tower 10-4 1305 Comment
  CAS-BOT-BC142136  Cercocarpus betuloides var. betuloides Mrs. G. Earle Kelly 1926-4-1 s.n. Los Angeles Between Los Angeles and Mojave Comment
  CAS-BOT-BC142172  Cercocarpus betuloides var. betuloides Alice Eastwood; John Thomas Howell 1937-4-26 3945 Los Angeles Mint Canyon Comment
  CAS-BOT-BC279531  Chaenactis artemisiifolia Alice Eastwood 1906-5-27 106 Los Angeles Country adjacent to Los Angeles. Laurel Canyon Comment
  LA94408  Chaenactis artemisiifolia Carl Epling; 1931-5-9 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  SEINET7063584  Chaenactis glabriuscula A. G. Vestal 1947-4-8 s.n. Los Angeles East of Littlerock on Pearblossom Highway. UTM Zone 11, 410583mE, 3820399mN. (WGS84/NAD83). 887 Comment
  UCR126718  Chaenactis glabriuscula A. C. Sanders, Mark Elvin 2003-4-14 25950 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  UC1562573  Chaenactis glabriuscula var. glabriuscula Barbara Ertter with L. Heckard, T. Sholars, J. Hickman, et al. 1988-5-23 7476 Los Angeles on n side of, (Co Rd N2) San Gabriel Mts. (Pine Canyon Rd. along San Andreas Fault); , San Andreas Fault Comment
  CAS-BOT-BC277332  Chaenactis glabriuscula var. glabriuscula Geo. B. Grant 1906-6-17 249 -6919 Los Angeles At Summit Mt. Wilson 1828 Comment
  RSA226091  Chaenactis glabriuscula var. glabriuscula R. F. Thorne, C. W. Tilforth 1971-6-17 39956 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  CAS-BOT-BC277521  Chaenactis glabriuscula var. lanosa C. F. Baker 1909-3-20 5253 Los Angeles Claremont Comment
  RSA230660  Chaenactis santolinoides R. F. Thorne, M. Z. Thorne 1969-7-9 38544 Los Angeles Angeles National Forest: summit of Table Mountain above Big Pines Ranger Station. 2134 Comment
  JEPS31170  Chaenactis xantiana Ernest C. Twisselmann 1962-4-18 6953 Los Angeles 0.5 mi w of Coe Field fence; Tehachapi Mountains, Oso Canyon 1036 Comment
  POM351857  Chaenactis xantiana L. S. Rose 1968-4-5 68018 Los Angeles 10 miles E of Gorman, Mojave Desert. 854 Comment
  UCSB17154  Chamaesyce albomarginata Otey, D. 1963-5-3 Los Angeles 9.4 miles west of San Bernardino County Line on California Highway 138 944 Comment
  CDA35246  Chamaesyce melanadenia Phillipson 1915-5-8 Los Angeles Duarte Comment
  CAS-BOT-BC70018  Cheilanthes covillei Marcus E. Jones 1882-2-27 3033 Los Angeles Pasadena Comment
  SEINET5763713 Image available Chenopodium ambrosioides A. M. Johnson 1934-1 4534 Los Angeles mouth of Santa Monica Canyon; Santa Monica Comment
  RSA0048210  Chenopodium ambrosioides L. E. Hoffman 1963-7-7 s.n. Los Angeles Malibu Lagoon. 0 Comment
  RSA423408  Chenopodium ambrosioides H. L. Bauer 1928-10-15 s.n. Los Angeles Long Beach. Comment
  UC7270  Chenopodium berlandieri J. Burtt Davy Oct., 1896 2768 Los Angeles Santa Monica Comment
  UCR273572  Chenopodium berlandieri R. G. Swinney 2011-10-25 15878 Los Angeles San Gabriel Mountains, south end of Coldbrook Campground, along Coldbrook Cr., from 50 m south to 100 m north of Hwy 39 1006 Comment
  POM20621  Chenopodium berlandieri var. sinuatum P. A. Munz 1923-11-8 7799 Los Angeles Lone Hill, Glendora. Comment
  RSA592224  Chenopodium californicum L. C. Wheeler 1967-4-30 9232 Los Angeles San Gabriel Mountains. Limekiln Canyon. 549 Comment
  UCD169516  Chenopodium fremontii R. G. Swinney 2008-8-13 9397 Los Angeles San Gabriel Mtns., Big Rock Creek, 1.0 mi. east of Fenner Canyon. 1793 Comment
  RSA230682  Chenopodium fremontii R. F. Thorne, M. Z. Thorne 1969-7-9 38561 Los Angeles San Gabriel Mountains, Angeles National Forest: upper part of large, wet sloping meadow at Big Pines 2073 Comment
  RSA730180  Chenopodium hians R. G. Swinney 1998-9-4 6889 Los Angeles San Gabriel Mtns.; dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi east of Hwy 2 on 3N06 2241 Comment
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Apr 11 2010
  CDA3073  Chenopodium missouriense L. C. Wheeler 1973-10-28 s.n. Los Angeles Altadena 0 Comment
  RSA631087  Chenopodium multifidum L. C. Wheeler 1947-4-13 6466 Los Angeles San Gabriel Mountains; Millard Canyon. 640 Comment
  RSA518243  Chenopodium murale A. C. Sanders 1987-12-4 7586 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  RSA579129  Chenopodium murale T. S. Ross, J. M. Porter, Gery Allan, Vanessa Ashworth, D. L. Banks, Megan Tommerup 1994-3-28 7433 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; ca 2260 m SE of Inspiration Point and 3160 m WNW of Whites Point. 12 Comment
  RSA12396  Chenopodium murale C. B. Wolf 1934-4-11 5608 Los Angeles Bryant Ranch E. of Long Beach on mesa. 100 ft. NE of concrete mon. 1864.92 ft. so. of NW corner of section. 15 Comment
  RSA478543  Chenopodium murale Frances M. Morey 1922-4-29 s.n. Los Angeles Los Angeles. Comment
  RSA630377  Chenopodium murale L. C. Wheeler 1967-5-15 9598 Los Angeles San Gabriel Mountains: Elsmere Canyon; bottom of canyon near mouth. 434 Comment
  RSA640641  Chenopodium pratericola L. C. Wheeler 1966-10-1 8942 Los Angeles San Gabriel Mountains: Big Tujunga at Colby Ranch Road. 975 Comment
  RSA279020  Chenopodium rubrum R. F. Thorne, C. W. Tilforth, S. Nilsson 1972-7-20 42192 Los Angeles San Gabriel Mts., Angeles National Forest: Caldwell Lake near Valyermo (sag pond on the San Andreas Fault) 1570 Comment
  UCD57912  Chloris berroi P. B. Dickey 1939-7-10 1004 Los Angeles SCS Nursery Littlerock, row 21. Comment
  CDA43469  Chondrilla juncea John L. Thompson 2015-6-25 PDR# MVAP 06369510 Los Angeles Along Decanso Motorway (a fire road) in Cherry Canyon Park, La Canada Flintridge, near Glendale. 0 Comment
  IRVC28396  Chorizanthe parryi var. fernandina A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26060 Los Angeles Newhall Ranch, north of the powerlines south of Magic Mountain Parkway, near I-5 and new golf course NE end of Santa Susana Mtns. 366 Comment
  JEPS57644  Chorizanthe parryi var. fernandina Samuel B. Parish June 1887 1987 Los Angeles San Fernandino Comment
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Nov 16 2009
  SD241924  Chorizanthe parryi var. fernandina Mark A. Elvin 2003-4-24 2527 Los Angeles Santa Clara River Valley: Valencia, Newhall Ranch, entrance to Magic Mountain Theme Park, survey area 62 (Newhall 7.5'Q) 477 Comment
  SBBG27951  Chorizanthe staticoides B. Thoele, L. Thoele -May-1932 Los Angeles Malibu Lake Comment
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Apr 25 2011
  CAS-BOT-BC247865  Chorizanthe watsonii Timothy S. Ross; Steve Boyd 1995-6-29 8662 Los Angeles Liebre Mountains. Near west summit of Liebre Mountain. 1673 Comment
  SBBG121873  Chorizanthe xanti var. xanti A. Parikh, N. Gale 2005-6-15 775 Los Angeles Portal Ridge, 1 km NW of intersection of N2/Johnson Rd, 1 km SE of intersection of N2/Munz Ranch Rd 1035 Comment
  SBBG62289  Chorizanthe xanti var. xanti R. Hoffmann 1927-6-13 Los Angeles Chandler's, Ridge Route (US Hwy 99) Comment
  UCR259898  Chorizanthe xanti var. xanti R. G. Swinney 2010-6-1 13079 Los Angeles San Gabriel Mountains, Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1098 Comment
  CDA7407  Chrysanthemum coronarium T. S. Ross, Annette Ross 1991-6-3 5511 Los Angeles Elephant Hill, W Pomona. Comment
  SEINET5514073  Chrysothamnus nauseosus subsp. hololeucus J. C. Beatley 1969-1 Los Angeles along Rte 138 (rd from Palmdale to Victorville) near San Bernardino County line N of San Bernardino Mts NTS Herbarium coll. Drainage area: Antelope Valley drainage 1067 Comment
  LA94415  Cirsium occidentale var. californicum Norman A. Cole; May 1964 361 Los Angeles 579 Comment
  UCSB7235  Cirsium occidentale var. californicum Haller, Norman 1953-5-17 Los Angeles Topanga Canyon 1 1/2 miles North of Topanga Shopping Center, Santa Monica Mts. 320 Comment
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Jul 1 2011
  SBBG20576  Cistanthe maritima E. R. Blakley 1963-12-7 6317 Los Angeles W of Pyramid Head, S of Lighthouse 38 Comment
  POM175347  Cistanthe monandra E. Crow 1930-6-29 s.n. Los Angeles One mile below Crystal Lake Comment
  RSA584978  Cistanthe monandra Timothy S. Ross 1993-5-16 7152 Los Angeles San Gabriel Mountains: Upper Monroe Road; ridgetop hillock on the divide between Persinger, Horse and Little Dalton canyons; ca 850-930 m NW of Horse Canyon Saddle. 1024 Comment
  RSA771556  Cistanthe monandra R. G. Swinney 2009-5-28 10948 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  RSA747094  Cistus ladanifer A. C. Sanders, T. B. Salvato 2009-5-19 36832 Los Angeles Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center. 110 Comment
  RSA714797  Clarkia cylindrica A. C. Sanders, Mark A. Elvin 2003-6-18 26941 Los Angeles Along crest road on crest of range from Salt Canyon, north of head of El Toro Canyon, Newhall Ranch. 854 Comment
  SD125704  Clarkia cylindrica K. Harper 1986-5-17 Los Angeles San Gabriel Mountains, Little tujunga to Sand Canyon Road, in the vicinity of Mendenhall Peak. Comment
  CAS-BOT-BC172248  Clarkia cylindrica subsp. cylindrica Peter H. Raven; H. L. Wedberg 1957-6-15 10917 Los Angeles Road 3 miles west of Seminole Hot Springs, Santa Monica Mts. Comment
  CAS-BOT-BC172097  Clarkia dudleyana C. F. Baker 1904-5-1 4714 Los Angeles Hills near Claremont Comment
  RSA609076  Clarkia dudleyana Louis C. Wheeler 1932-5-28 781 Los Angeles San Antonio Canyon, E side SE Hogback. 1280 Comment
  RSA670378  Clarkia elegans Bonnie C. Templeton 1947-5-21 6284 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  CATA213  Clarkia epilobioides Mark L. Hoefs, A. Douglas Propst 1973-4-24 197 Los Angeles Santa Catalina Island: Upper Descanso Canyon, west fork 198 Comment
  SBBG113054  Clarkia epilobioides S. A. Junak with K. Kirkland 1998-4-30 SCa 582 Los Angeles N side of ridge on N side of Hamilton Cyn 243 Comment
  RSA654225  Clarkia purpurea subsp. quadrivulnera Valerie L. Soza, Ian Gillespie, LeRoy Gross 2000-5-18 943 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, SW of Johnstone Peak, above Wildwood Canyon. 655 Comment
  SBBG117108  Clarkia purpurea subsp. quadrivulnera S. A. Junak with R. N. Philbrick, M. L. Hoefs 2001-5-19 SCa 1572 Los Angeles Black Jack Rd, ca. 0.15 mi from jct with Airport Rd, ca. 0.34 mi N of Black Jack summit, on N side of ridge below Black Mtn 402 Comment
  POM3111  Clarkia purpurea subsp. viminea J. F. Illingworth 1898-06 39 Los Angeles Claremont Canyon. 610 Comment
  RSA652339  Clarkia unguiculata D. Bartholomew 1961-5-13 85 Los Angeles Big Dalton Canyon (just back from chain across road). Comment
  UC1122465  Clarkia unguiculata A. D. Gifford 1935-5-8 679 Los Angeles 2 1/2 mi s Warm Springs; Angeles National Forest, Tejon Quadrangle Comment
  UC450787  Clarkia unguiculata Fay A. MacFadden 1931-3-28 77 E Los Angeles Tuna Canyon Verdugo Hills Comment
  RSA586679  Clarkia xantiana subsp. parviflora Orlando Mistretta, Mark A. Elvin 1995-5-10 1704 Los Angeles San Gabriel Mts. Bare Mountains Canyon. West Fork. 1250 Comment
  UCR200131  Claytonia parviflora subsp. parviflora Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 776 A Los Angeles Verdugo Mountains, south side, Stough Canyon, Stough Park, above parking lot southwest of intersection of Walnut Avenue and Lockheed View Drive, well of De Bell Municipal Golf Course, southeast of Starlight Theater 335 Comment
  RSA0080468  Claytonia peirsonii subsp. peirsonii Orlando Mistretta 1987-5-5 s.n. Los Angeles Angeles National Forest, San Gabriel Mountains; northwest facing bowl below ridge 0.5 north of Telegraph Peak. 2560 Comment
  UC212907  Claytonia perfoliata subsp. intermontana D. L. Crawford 1915-6-30 Los Angeles mts above Claremont 2133 Comment
  UC1108610  Claytonia perfoliata subsp. mexicana Huron H. Smith 1912-5-29 5022 Los Angeles Summit Road Summit Road, Santa Catalina Island; Santa Catalina Island 396 Comment
  RSA545287  Clematis lasiantha Robert F. Thorne, Carlos Mu - oz 1969-6-17 38030 Los Angeles SAN GABRIEL MTS. - SAN ANTONIO CANYON 1524 Comment
  UC853906  Clematis lasiantha Marcus E. Jones, A. M. 1882-5-2 3203 Los Angeles Pasadena Comment
  LA201856  Clematis ligusticifolia Peter H. Raven; 2003-9-4 Los Angeles Comment
  POM153290  Clematis ligusticifolia P. A. Munz, I. M. Johnston 1928-9-4 11144 Los Angeles Bouquet Canyon. 762 Comment
  UCR182846  Clematis ligusticifolia R. G. Swinney 1989-8-24 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon, along Big Dalton Canyon Rd, 1.2 mi NE of Glendora Mtn Rd., south side of road 427 Comment
  CLARK-A1528-3854  Clematis pauciflora Art Whistler 1966-6-20 15 Los Angeles Malibu Comment
  SEINET4074910  Cleome isomeris R. Moran 1941-1 668 Los Angeles Collected south of Wilson's Harbor on Santa Catalina Island. 25 Comment
  RSA451363  Coleogyne ramosissima W. Hutchinson 1921-05 s.n. Los Angeles Bouquet Canyon. Comment
  UCR186361  Collinsia bartsiifolia Michael Honer 2007-4-25 2527 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon; grassy slopes c. 1 mile SW of cement processing plant 1159 Comment
  RSA555354  Collinsia bartsiifolia var. davidsonii D. Charlton 1991-5-21 5223 Los Angeles Ritter Ridge, city park site, south of 30 St west terminus. Narrow north facing canyon. 1037 Comment
  SBBG122017  Collinsia parryi A. Parikh, N. Gale 2005-4-13 2102 Los Angeles Long Cyn, 0.9 km N of Potrero Cyn, 1.9 km SE of Del Valle, Newhall Ranch; Santa Susana Mtns 330 Comment
  RSA0064472  Colocasia R. G. Swinney 2010-9-1 13648 Los Angeles Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds. 341 Comment
  LA46187  Comarostaphylis diversifolia subsp. planifolia W. O. Griesel; 1936-2-26 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA0042773  Convolvulus aridus Harold L. Pirie 1963-4-6 s.n. Los Angeles Along Mulholland Drive in the Santa Monica Mts. 1 mile west of Temescal Fire Rd. 304 Comment
  CDA37737  Convolvulus arvensis Kenneth Stephens 1958-6-16 s.n. Los Angeles Antelope Valley. 0 Comment
  RSA648996  Convolvulus arvensis Scott Lowe 1991-5-12 23 Los Angeles San Gabriel River channel, about 50 m. north of the San Gabriel River Parkway bridge, city of Pico Rivera. Comment
  RSA0092472  Conyza canadensis R. G. Swinney 2011-10-27 15915 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
  JEPS20074  Conyza canadensis Peter H. Raven 1957-9-21 11323 Los Angeles small hill at nw end of U. C. L. A. campus Comment
  RSA643851  Conyza canadensis Steven A. Junak 1996-9-29 SC 1 -680 Los Angeles San Clemente Island: W side of island, in Middle Ranch Canyon, ca. 0.3 mile downstream from upper road crossing. 396 Comment
  UC72050  Cordylanthus maritimus subsp. maritimus Geo. B. Grant Aug 1901 22 Los Angeles Terminal Island Comment
  POM11454  Cordylanthus rigidus subsp. setiger Philip A. Munz, R. D. Harwood 1920-8-11 4382 Los Angeles Claremont. 366 Comment
  RSA579463  Cordylanthus rigidus subsp. setiger Tim S. Ross, Steve D. Boyd 1994-9-21 8289 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1677 Comment
  POM356026  Coreopsis gigantea Albert J. Perkins 1919-4-20 s.n. Los Angeles Catalina Island, road to summit. Comment
  CAS-BOT-BC105714  Corethrogyne filaginifolia Ernest Braunton 1902-8-1 646 Los Angeles Los Angeles Comment
  CAS-BOT-BC105745  Corethrogyne filaginifolia Peter H. Raven; Henry J. Thompson 1959-9-27 14507 Los Angeles Sepulveda Canyon - Santa Monica Mountains 243 Comment
  CATA1790  Corethrogyne filaginifolia Benjamin E. Carter, John R. Clark 2012-8-9 6974 Los Angeles Santa Catalina Island: Twin Peaks, a ridge of limestone forming southwestern rim of Bulrush Canyon 390 Comment
  SBBG60706  Corethrogyne filaginifolia R. Hoffmann 1927-8-31 Los Angeles NE of Acton Comment
  UC1119250  Corethrogyne filaginifolia P. L. Johannsen 1934-2-26 306 Los Angeles 1 1/4 mi sw San Fernando Pass; Santa Susana Quadrangle Comment
  CAS-BOT-BC32934  Corethrogyne filaginifolia var. californica Ernest Braunton 1902-5-25 280 Los Angeles Redondo Comment
  UCD130883  Cotula australis Geoffrey Levin 1976-4-20 712 Los Angeles Blanchard Park (Wash), Pomona College, Claremont. 365 Comment
  RSA609510  Crassula connata L. C. Wheeler 1974-3-28 s.n. Los Angeles San Gabriel Mountains: Wildwood Ranch, east of Glendora. Comment
  UCR256965  Cressa truxillensis Jeremiah George 2012-4-25 s.n. Los Angeles Compton, decommissioned railroad right-of-way NW of intersection of W Carob St. and South Acacia Ct., c. 1000 ft. west of Compton Creek channel, south of W Greenleaf Blvd., Rancho Dominguez area 21 Comment
  UC1211012  Crocanthemum scoparium var. vulgare Huron H. Smith 1912-5-3 4942 Los Angeles Azusa 243 Comment
  CATA1592  Crossosoma californicum M. B. Dunkle 1932-1-24 2862 Los Angeles Santa Catalina Island: Open East ridge of Avalon 91 Comment
  CHSC110030  Crossosoma californicum Mark Elvin; Michael Wall 1997-5-18 378 Los Angeles Channel Islands; Santa Catalina Island: Cape Canyon Ridge. W side of canyon. With Rock outcrop 200' above valley floor. ~1/2 mile south of well house along Cape Canyon Road. Comment
  RSA233624  Crossosoma californicum R. F. Thorne 1970-3-5 39366 Los Angeles Santa Catalina Island: Cherry Valley 61 Comment
  RSA621022  Croton californicus L. C. Wheeler 1965-12-4 s.n. Los Angeles San Gabriel Mountains.: Arroyo Seco, in vicinity of Pine Canyon. Comment
  RSA746627  Croton californicus R. G. Swinney 2008-4-10 8640 Los Angeles San Dimas Experimental Forest, confluence of Lodi Canyon with San Dimas Canyon, just south of San Dimas Reservoir. 402 Comment
  UC56924  Croton californicus J. Burtt Davy June, 1901 7771 Los Angeles Redondo Comment
  CAS-BOT-BC189246  Cryptantha Elizabeth McClintock 1965-7-2 269 /90 Los Angeles Table Mountain, above Wrightwood, San Gabriel Mountains 2133 Comment
  SBBG63629  Cryptantha barbigera R. Hoffmann 1929-5-21 Los Angeles Big Rock Crk Comment
  UCR276809  Cryptantha barbigera R. G. Swinney 2010-5-21 12893 A Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  RSA488903  Cryptantha circumscissa A. C. Sanders, E. J. Lawlor 1988-4-3 7734 Los Angeles 1.3 miles NW of the San Bernardino County line Hwy 138, 2 miles NW of Pinyon Hills. 1159 Comment
  RSA592208  Cryptantha circumscissa L. C. Wheeler 1967-5-12 9451 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  UCR141164  Cryptantha circumscissa June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, near Hi Vista, vicinity of Ave G at 200th St. East, Antelope Valley 945 Comment
  LA81968  Cryptantha clevelandii O. H. Kappler; 1940-5-19 15 Los Angeles Santa Monica Mountains, W Fork, Las Trancas (Rattlesnake) Canyon 365 Comment
  RSA776850  Cryptantha clokeyi Orlando Mistretta, Christine Mistretta 2010-6-10 5301 Los Angeles North Fork Mill Creek. Forest Service Route 3N27, 2.55 air miles SW of intersection with Forest Route 3N17 (Mt. Gleason Road), along Southern California Edison transmission line corridor. 1295 Comment
  RSA0076021  Cryptantha intermedia R. G. Swinney 2010-4-1 12124 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  RSA191005  Cryptantha intermedia R. F. Thorne, J. Henrickson 1963-5-5 32322 Los Angeles in Cobal Canyon, foothills of San Gabriel Mts., ca. 4 miles N of Claremont. 518 Comment
  RSA783417  Cryptantha intermedia J. D. Olmsted 1958-3-7 23 Los Angeles Along San Antonio Creek in Blanchard Park on Pomona College Campus, Claremont near eastern end of county 366 Comment
  UC56845  Cryptantha intermedia W. C. Blasdale Jun 1891 Los Angeles Santiago Canyon Comment
  POM8100  Cryptantha intermedia Joseph Grinnell 1917-4-3 s.n. Los Angeles Charsworth Park. Comment
  RSA561576  Cryptantha intermedia Steve Boyd, Orlando Mistretta 1993-5-17 8145 Los Angeles north of sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Ridge on west side of Sombrero Canyon at the western edge of the forest 793 Comment
  LA36512  Cryptantha microstachys Peter H. Raven; David S. Verity 1960-5-7 15319 Los Angeles Santa Monica Mountains, Arroyo Sequit, ca 2 mi. from ocean 91 Comment
  RSA0019761  Cryptantha microstachys Orlando Mistretta, Christine Mistretta 2011-7-5 5898 Los Angeles North Fork Mill Creek, along Forest Road 3N27. 1254 Comment
  RSA802341  Cryptantha microstachys Orlando Mistretta, Christine Mistretta 2011-7-7 5926 Los Angeles Fall Creek Canyon; tributary of N Fork Mill Creek, along Forest Road 3N27. 1239 Comment
  SBBG133651  Cryptantha microstachys L. Gross, P. DeVries, O. Gasser 2015-4-7 6964 Los Angeles Arrastre Cyn, near Acton; started at the junction between Arrastre Cyn Rd and Moody Truck Trail; follow the crk and slope beyond where Moody Truck Trail crosses the crk, NE side slope only 807 Comment
  UCR127903  Cryptantha muricata A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26095 Los Angeles Western San Gabriel Mtns., Newhall Ranch, Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon 457 Comment
  UCR223338  Cryptantha muricata R. G. Swinney 2009-5-20 10853 B Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  UCR273425  Cryptantha muricata R. G. Swinney 2011-6-22 15246 Los Angeles San Gabriel Mountains, Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy 1790 Comment
  RSA0079551  Cryptantha muricata T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3914 Los Angeles Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon. 1338 Comment
  RSA0079122  Cryptantha muricata var. denticulata R. F. Thorne, John Olmstead 1965-8-26 35379 Los Angeles San Gabriel Mts.: Angeles National Forest, Camp Lupine near Prairie Fork. 2012 Comment
  RSA0103797  Cryptantha muricata var. muricata R. G. Swinney 2011-6-14 15112 Los Angeles San Gabriel Mountains: Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  RSA0079272  Cryptantha muricata var. muricata Ora M. Clark 1929-3-29 1802 Los Angeles E. Sandberg. Comment
  RSA617472  Cryptantha nevadensis Scott D. White, P. De Vries 6763 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. 548 Comment
  RSA0010525  Cryptantha nevadensis var. rigida LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6798 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA725890  Cryptantha oxygona R. G. Swinney 1996-5-27 4739 Los Angeles Eastern San Gabriel Mtns.: east of Table Mtn. and NW of Wright Ridge. 2252 Comment
  UCR205843  Cryptantha oxygona R. G. Swinney 2008-5-8 8814 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
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Dec 4 2012
  RSA757666  Cryptantha oxygona Orlando Mistretta, Christine Mistretta 2008-4-14 2443 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 18 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1240 Comment
  UCR121218  Cryptantha pterocarya var. pterocarya June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, 263rd St. south of Calif. Hwy 18 in Antelope Valley, along San Bernardino Co. line, NNW of Pinon Hills 1100 Comment
  UCR190785  Cryptantha pterocarya var. pterocarya R. G. Swinney 2001-4-18 7920 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  RSA729866  Cryptantha similis R. G. Swinney 1999-6-5 7261 Los Angeles San Gabriel Mtns.: east side of Big John Peak, west of Mescal Creek above Big John Flat. 1780 Comment
  UCSB5592  Cryptantha simulans B., K.; T., R. 1944-6-13 Los Angeles Chapman Burn, San Dimas Experimental Forest, San Gabriel Mountains Comment
  RSA594295  Cucurbita foetidissima L. C. Wheeler 1967-7-30 10243 Los Angeles San Gabriel Mountains. Big Tujunga wash. 426 Comment
  SD39893  Cuscuta Edith A. Purer 1932-2-1 2470 Los Angeles El Segundo Comment
  UCSB4989  Cuscuta californica Wedberg, H. 1958-7-15 Los Angeles On Mulholland highway between Topanga Canyon and Beverly Glen, Santa Monica Mtns. Comment
  RSA409694  Cuscuta californica G. J. Hollenberg 1928-7-24 s.n. Los Angeles S of Del Rey, Palisadea along RR at foot of bluff Comment
  RSA709769  Cuscuta ceanothi A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27144 Los Angeles Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters. 320 Comment
  UCD54443  Cuscuta indecora var. indecora Steve Orloff 1986-8-26 13 Los Angeles Lancaster, 70th St. West and Ave D. Comment
  UCR124252  Cuscuta pentagona L. C. Wheeler 1965-10-6 s.n. Los Angeles Devil's Gate Dam: Pasadena Comment
  UCR167312  Cuscuta subinclusa Scott D. White 2004-8-20 10737 Los Angeles San Gabriel Mtns, Upper Big Tujunga Canyon: south of Upper Big Tujunga Canyon. Road, c. 4 air mi NW of the junction with Angeles Crest Hwy 1159 Comment
  RSA250557  Cycladenia humilis var. venusta R. F. Thorne, John Dourley 1967-10-3 37297 Los Angeles Mt. Baden-Powell: just N of summit 2805 Comment
  UC520380  Cycloloma atriplicifolium Louis C. Wheeler 1932-7-14 960 Los Angeles 2 mi n Claremont 68 Comment
  UCD127351  Cyclospermum leptophyllum A. R. Roos 1958-5-29 s.n. Los Angeles A parking strip on the 1900 block of Westwood Blvd. Comment
  RSA608754  Cydonia oblonga Louis C. Wheeler 1963-10-6 8403 Los Angeles Altadena: 55 E. Pine Street. Comment
  UCSB4267  Cylindropuntia echinocarpa Newby, Ron 1959-5-15 Los Angeles 9 miles east of Pearblossom on Hwy. 138 Comment
  PASA644  Cynodon dactylon Sally Ellis 1939-10-2 Los Angeles Claremont Comment
  RSA483547  Cynodon dactylon G. J. Hollenberg 1928-7-16 s.n. Los Angeles Near Venice. Comment
  RSA0034929  Cynodon dactylon P. R. Brown 1970-4-25 13 Los Angeles Upper end of Canon de Lana. Woodland Hills Nature Center. Comment
  UCR162510  Cyperus difformis Anuja Parikh, Nathan Gale 2004-9-15 2100 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 5) in vicinity of Castaic Junction 305 Comment
  CAS-BOT-BC114633  Cyperus eragrostis A. Davidson 1921-8-1 3454 Los Angeles Roadside near Bandini. Comment
  RSA138268  Cyperus eragrostis E. K. Balls 1960-6-9 24160 Los Angeles Grown in Botanic Garden, Claremont. 412 Comment
  UCR258690  Cyperus involucratus R. G. Swinney 2010-3-16 11919 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  CDA20610  Cyperus involucratus M. O'Brien 2005-12-11 MOB 13 -05 Los Angeles South Coast; Solstice Canyon in Santa Monica Mountains National Recreation Area. 0 Comment
  RSA604479  Cyperus odoratus L. C. Wheeler 1967-9-18 s.n. Los Angeles Los Angeles River at Los Feliz Blvd. Comment
  RSA365132  Cyperus squarrosus V. V. Giles 1936-7-5 s.n. Los Angeles Crystal Lake Comment
  RSA592809  Cystopteris fragilis Steve Boyd, Orlando Mistretta 1996-5-1 8757 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
  POM156269  Datisca glomerata L. R. Abrams 1902-6-16 2557 Los Angeles Santa Monica Mountains: Sepulveda Canyon. Comment
  RSA681157  Datisca glomerata LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1068 Los Angeles North side of mountains: South of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway. 550 Comment
  UCR273231  Datisca glomerata R. G. Swinney 2011-10-18 15811 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
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Aug 24 2017
  PASA2127  Datura meteloides Ruth Johnson Los Angeles Arroyo Seco Comment
  UCD126634  Datura wrightii Gordon Pilone 1961-5-7 164 Los Angeles South of Santa Ana Botanic Gardens in Claremont. San Gabriel Mt. Range. 390 Comment
  RSA304189  Datura wrightii James R. Shevock 1970-5-3 176 Los Angeles Sagas Beach. 8 Comment
  CAS-BOT-BC130914  Deinandra clementina Mrs. C. E. Miller 1918-6-11 s.n. Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC130945  Deinandra clementina Reid Moran 1941-5-5 827 Los Angeles Santa Barbara Island 200 Comment
  CATA1254  Deinandra clementina Mark L. Hoefs, Phil Hartman, Bret Marin 1995-6-27 2335 Los Angeles Santa Catalina Island: Catalina Harbor 3 Comment
  CAS-BOT-BC299272  Deinandra fasciculata Peter H. Raven 1962-7-10 17963 Los Angeles Summit of island above Wilson Cove, San Clemente Island 137 Comment
  CAS-BOT-BC299315  Deinandra fasciculata Grant 1900-3-28 s.n. Los Angeles Avalon Comment
  SBBG31114  Deinandra fasciculata R. F. Thorne 1966-4-28 36243 Los Angeles near jct of Wrigley Drive and Renton Mine Rd 91 Comment
  UCR46185  Delphinium Kathy Harper 1986-5-16 s.n. Los Angeles San Gabriel Mtns., Northern paved road to Chilao, west of Newcomb Ranch and Hwy 2 1829 Comment
  CHSC22210  Delphinium cardinale Robert A. Schlising 1968-7-28 2896 Los Angeles Lopez Canyon, north of Pacoima. Comment
  CHSC98107  Delphinium cardinale LeRoy Gross; Michael Denslow, Bill Hogshead, S. Swartzentruber 2003-6-17 1027 Los Angeles Transverse Ranges; Verdugo Mountains region: South side of mountains: along road across from Brand Canyon Debris Basin, at mouth of Brand Canyon. East-facing near base of steep slope, some cliffy. UTM Zone 11; 3783279N, 0382445E. 262 Comment
  SEINET6086661  Delphinium parishii Unknown Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  RSA586992  Delphinium parishii subsp. parishii Orlando Mistretta 1992-5-8 304 Los Angeles San Gabriel Mountains: Little Rock Creek, slopes E of Little Rock Creek Reservoir. 1159 Comment
  RSA68784  Delphinium parishii subsp. parishii F. W. Peirson 1919-5-11 419 Los Angeles Arraster [Arrastre] Creek, San Gabriel Mountains. 915 Comment
  CAS-BOT-BC116275  Delphinium parryi subsp. parryi Henry J. Thompson 1959-5-24 2032 Los Angeles Santa Monica Mountains; 0.5 mile east of peak 701 Comment
  POM306313  Delphinium parryi subsp. parryi Henry J. Ramsey 1938-5-22 1383 Los Angeles Eaton Canyon Park, Altadena. Comment
  LA52166  Delphinium patens subsp. hepaticoideum J. A. Ewan; 1929-5-4 8463 Los Angeles Comment
  RSA400036  Delphinium patens subsp. hepaticoideum Bonnie C. Templeton 1931-4-12 s.n. Los Angeles Mandeville Canyon 400 Comment
  RSA0030013  Delphinium patens subsp. montanum M. D. Proctor 1944-4-9 836 Los Angeles Santa Anita Canyon Comment
  SBBG38702  Delphinium variegatum subsp. kinkiense M. B. Dunkle 1939-4-6 7322 Los Angeles San Clemente Island [Mosquito Ridge) Comment
  CAS-BOT-BC82902  Dendromecon rigida Le Roy Abrams; E. A. McGregor 1908-6-20 401 Los Angeles Liebre Mountains. Between Oakgrove Canyon and Elizabeth Lake. Comment
  SEINET5339600  Dendromecon rigida Pupils s.n. Los Angeles Los Angeles. Comment
  RSA433220  Dendromecon rigida subsp. rigida Christopher Davidson, B. Gustafson 1975-6-24 2985 Los Angeles Big Tujunga Canyon. On Road 2N78, ca. 5 mi. NE of Sunland. 686 Comment
  UC53331  Deschampsia danthonioides J. Burtt Davy 1896-5-20 2627 Los Angeles Leonis Valley Comment
  SEINET3246202  Descurainia pinnata R. G. Swinney 2008-1 8794 Los Angeles San Gabriel Mtns.: West Fork Punchbowl Canyon near north boundary of Devils PUnchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1260 Comment
  RSA651830  Descurainia pinnata D. A. Reynolds 1953-3-10 s.n. Los Angeles North bank of wash near Arrow Hwy. & Grand, San Dimas. Comment
  SBBG2466  Descurainia pinnata H. and M. Dearing 1930-4-15 Los Angeles rd from Cajon Pass to Palmdale Comment
  CAS-BOT-BC43488  Descurainia sophia Ernest C. Twisselmann 1962-4-10 6857 Los Angeles Mojave Desert. Antelope Valley. Avenue A, 2.8 miles west of Highway 6. 670 Comment
  RSA757207  Descurainia sophia Orlando Mistretta, Christine Mistretta 2008-4-3 2291 Los Angeles Liebre Mountains region: near the intersection of Southern California Edison Transmission Line and Peaceful Valley Road, North of intersection of transmission Line and State Hwy 14, in the vicinity of Soledad Pass (Segment 5, structure 60 per TRTP survey; 2008). 1083 Comment
  RSA597569  Dicentra chrysantha Tim S. Ross 1990-6-22 3761 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone. 1707 Comment
  UCR223675  Dicentra chrysantha R. G. Swinney 2009-6-12 11147 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  POM97782  Dicentra chrysantha Marcus E. Jones 1903-6-28 s.n. Los Angeles Mountains near Pasadena Comment
  CAS-BOT-BC499426  Dichelostemma capitatum I. W. Clokey; R. C. Anderson 1938-5-17 7875 Los Angeles Lovell Canyon 1600 Comment
  UC792431  Dichelostemma capitatum Ira L. Wiggins 1949-2-22 11959 Los Angeles n end San Clemente Island Comment
  RSA213427  Dichelostemma capitatum subsp. capitatum Reid V. Moran 1941-2-17 580 Los Angeles West slope of arroyo, Middle Ranch, San Clemente Island 500 Comment
  SEINET10533939  Dichelostemma pulchellum Reid Moran 1941-2-17 Moran 580 Los Angeles West slope of arroyo, Middle Ranch, San Clemente Island, Calif. 500 Comment
  RSA603226  Digitaria sanguinalis L. C. Wheeler 1932-9-5 1339 Los Angeles San Antonio Canyon 1066 Comment
  SD12585  Diplacus brevipes Edith A. Purer 1935-5-11 6591 Los Angeles Hillside, Santa Monica Mountains Comment
  CAS-BOT-BC150850  Diplacus puniceus Huron H. Smith 1912-6-14 5107 Los Angeles Silver Canyon, Santa Catalina Isl. 487 Comment
  CAS-BOT-BC195622  Distichlis spicata W. A. Silveus 1938-6-19 3696 Los Angeles Long Beach Comment
  UCSB24756  Dodecatheon clevelandii Geiger, R. 1966-4-6 Los Angeles 200 yards from the beach, south up the canyon at Big Geiger Cove, the first cove east of Howland's Landing, Catalina Island. 15 Comment
  RSA719636  Dodecatheon clevelandii subsp. clevelandii R. G. Swinney 1998-3-14 5908 Los Angeles Evey Canyon, ca. 0.75 mi. W of Mt. Baldy Rd., ca. 0.3 mi. NE of Potato Mtn. 793 Comment
  POM11172  Dodecatheon redolens I. M. Johnston 1917-8-22 1648 Los Angeles San Antonio Mts. Pairire Fork of the San Gabriel River marshy ground in a small side canyon 2134 Comment
  LA208045  Drymocallis glandulosa T. M. Seatt; May 1926 Los Angeles San Gabriel Mountains Comment
  CAS-BOT-BC67950  Dryopteris arguta Le Roy Abrams 1899-3-1 219 Los Angeles Millard's Canyon Comment
  CATA162  Dryopteris arguta Mark L. Hoefs, A. Douglas Propst 1973-3-14 123 Los Angeles Santa Catalina Island: Cape Canyon 243 Comment
  RSA693698  Dryopteris arguta Ernest Braunton 1901-6-18 194 Los Angeles Laurel Canyon Comment
  RSA649984  Dryopteris arguta Glen Johnson 1949-5-3 s.n. Los Angeles Crystal Lake 1828 Comment
  SJSU10520  Duchesnea indica var. indica A. L. Horton 1961-5-14 Los Angeles residence, Eagle Rock, Los Angeles Comment
  RSA748849  Dudleya cymosa subsp. pumila Scott D. White, Justin M. Wood, C. Huntley, J. Miner 2009-5-12 12690 Los Angeles San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  RSA83354  Dudleya cymosa subsp. pumila F. W. Peirson 1926-6-2 7938 Los Angeles Trail up south fork Rock Creek. 1828 Comment
  CAS-BOT-BC428404  Dudleya lanceolata Reid Moran 1941-5-17 866 Los Angeles Floor of San Fernando Valley East of San Fernando 325 Comment
  RSA18522  Dudleya lanceolata C. B. Wolf 1927-7-24 676 Los Angeles 1/2 mile east of Montrose Comment
  UCR238637  Dudleya lanceolata Anuja Parikh, Nathan Gale 2010-6-30 3379 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Peak, 0.8 km ESE of the summit, [Upper Clamshell Truck Trail]1.7 km N of White Saddle 1250 Comment
  RSA631348  Dudleya lanceolata L. C. Wheeler 1967-7-6 9937 Los Angeles San Gabriel Canyon. 274 Comment
  LA204788  Dudleya multicaulis Louis Wheeler; 1932-5-8 695 Los Angeles San Jose Hills, Puddingstone Dam 304 Comment
  SD129823  Dudleya multicaulis R. Moran 1938-3-23 346 Los Angeles Johnson's Pasture, N of Claremont Comment
  SD67710  Dudleya multicaulis Louis C. Wheeler 1932-5-8 695 Los Angeles Puddingstone Dam, San Jose Hills. 299 Comment
  UC1174778  Dudleya multicaulis P. C. Everett and E. K. Balls 1960-5-6 24107 Los Angeles s side Gladstone Rd (Way Hill); San Dimas Comment
  UCR62320  Dudleya multicaulis R. G. Swinney 1990-5-2 1580 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora, at east end of Eagle Ridge, north of new homes 305 Comment
  CAS-BOT-BC471242  Dudleya virens Reid Moran 1972-5-27 19143 Los Angeles Seabluffs just E of Pt. Vicente, to 50 m. 50 Comment
  UCR273270  Dysphania botrys R. G. Swinney 2011-10-18 15809 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
  UC403454  Echinocereus engelmannii unknown 1924-8-1 Los Angeles Claremont Comment
  RSA0083136  Echinochloa crus-galli R. G. Swinney 2010-6-29 13379 Los Angeles Hansen Food Control Basin, confluence of Big Tujunga Wash/stream with Hansen Lake. 308 Comment
  RSA699878  Echium candicans LeRoy Gross 2004-3-19 1208 Los Angeles San Rafael Hills: North section of hills; Gate # 4 Along Ridge Motorway (dirt road) at corner of Camino San Rafael and Flintridge drive. 502 Comment
  RSA0091499  Eclipta prostrata R. G. Swinney 2010-6-29 13377 Los Angeles Hansen Food Control Basin, confluence of Big Tujunga Wash/stream with Hansen Lake. 308 Comment
  RSA0086862  Ehrharta erecta Steven A. Junak 1998-6-13 SCa- 743 Los Angeles Santa Catalina Island: City of Avalon, in planted area at Casino Building. 2 Comment
  RSA651587  Eleocharis montevidensis Marion P. Harthill 1974-5-23 1512 Los Angeles Crystal Lake Road. Highway. 39. 1494 Comment
  RSA717301  Eleocharis palustris Scott D. White, Pam DeVries 2006-5-9 11407 Los Angeles Gorman area, valley & slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  CAS-BOT-BC112217  Eleocharis rostellata Robert F. Thorne; M. Z. Thorne 1967-7-19 37175 Los Angeles Big Cienega Springs above Crystal Lake Recreation Area. 1981 Comment
  RSA723326  Eleusine coracana subsp. africana R. E. Riefner 2007-8-3 7 -341 Los Angeles San Dimas, Puddingstone Reservoir, Bonelli Region County Park. 290 Comment
  SD215348  Elymus X hansenii Timothy S Ross, Steve Boyd 1995-6-29 8661 Los Angeles Near west summit of Liebre Mountain. 1707 Comment
  HSC83405  Elymus condensatus D. L. Koutnik 1978-6-3 Los Angeles Cold Creek Rd. between Mulholland Hwy. and Old Topanga Canyon Rd. 305 Comment
  UCR125918  Elymus condensatus A. C. Sanders, Mark Elvin 2002-6-19 25179 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, head of 'Adobe Cyn.' and pass into 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  SEINET10564655  Elymus elymoides Victor Duran 1933-7-9 Duran 3506 Los Angeles Horse Flats, San Gabriel Mts. One of the most plentiful grasses in the sparse grassland of the dry open floor of the Jeffrey pine forests in this region. 1676 Comment
  LA105046  Elymus glaucus subsp. glaucus Barry A. Prigge; 1988-7-3 8180 Los Angeles Santa Monica Mountains, ca 0.4 mi E of junction of Mulholland Hwy and Old Topanga Rd, across hwy from Calabasas High School 316 Comment
  RSA0127377  Elymus glaucus subsp. glaucus Louis C. Wheeler 1967-7-20 10134 Los Angeles Aliso Canyon. 1067 Comment
  UCR146231  Elymus hispidus Valerie Soza, Naomi Fraga 2001-6-27 1302 Los Angeles Transverse Ranges, San Gabriel Mountains region, Sunset Ridge Fire Road (FSR 2N07), 0.7 mi east of Glendora Ridge Road, west of Sunset Peak 1433 Comment
  CAS-BOT-BC204361  Elymus trachycaulus subsp. trachycaulus Timothy S. Ross; Steve Boyd; Peter W. Fritsch 1990-6-11 3003 Los Angeles San Gabriel Mountains. Big Rock Creek: just above the confluence of Holcomb Canyon Creek, between Big Rock Creek Road and the mouth of Holcomb Canyon 1280 Comment
  UCR124617  Emmenanthe penduliflora I. W. Clokey, B. C. Templeton 1929-1 4497 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  UCR126723  Emmenanthe penduliflora A. C. Sanders, Mark Elvin 2003-4-14 25968 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  RSA0091990  Emmenanthe penduliflora var. penduliflora R. G. Swinney 2011-7-7 15441 Los Angeles Colby Ranch (Camp Colby), S end of Inspiration Canyon Tr., in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  RSA0036427  Encelia actoni LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6983 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
  UCR68943  Encelia californica Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4256 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  CAS-BOT-BC140531  Encelia farinosa A. C. Sanders 2003-3-14 25751 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 560 Comment
  RSA0055992  Encelia farinosa Richard G. Swinney 2010-3-16 11927 Los Angeles San Gabriel Mountains/Verdugo Mountains: confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  SBBG71689  Enemion occidentale R. Hoffmann 1931-4-28 335 Los Angeles upper Bouquet Cyn Comment
  RSA592359  Ephedra viridis L. C. Wheeler 1967-5-12 9427 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  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
  LA206175  Epilobium canum Louis C. Wheeler; 1931-10-17 261 Los Angeles SAN GABRIEL MOUNTAINS, 2 mi. N of Claremont. 411 Comment
  LA32218  Epilobium canum subsp. canum Peter H. Raven; Henry J. Thompson 13764 Los Angeles Comment
  POM305691  Epilobium canum subsp. canum Henry J. Ramsey, Henry J. Ramsey 1937-8-29 975 Los Angeles Altadena. 396 Comment
  RSA188919  Epilobium canum subsp. canum Robert F. Thorne 1965-6-23 35006 Los Angeles Santa Catalina Island: lower part of Hamilton Canyon 76 Comment
  RSA213412  Epilobium canum subsp. canum M. B. Dunkle 1939-11-24 7340 Los Angeles San Clemente Island. Canyon head, Mosquito Summit. Comment
  RSA294313  Epilobium canum subsp. canum Lyman Benson 1946-10-16 12210 Los Angeles U. S. 99, valley just south of second summit north of Castaic. 762 Comment
  UC1122330  Epilobium canum subsp. canum Jerome S. Horton 1938-10-12 515 Los Angeles Tanbark Flats Pomona Quadrangle Comment
  UC213261  Epilobium canum subsp. canum I. M. Johnston 1917-11-30 1801 Los Angeles w mouth of Live Oak Canyon; San Antonio Mountains 457 Comment
  CAS-BOT-BC171920  Epilobium canum subsp. latifolium Fordyce Grinnell 1916-9-2 s.n. Los Angeles Near Pasadena, San Gabriel Mts. Comment
  RSA188511  Epilobium canum subsp. latifolium Robert F. Thorne, J. D. Olmsted 1965-8-26 35376 Los Angeles San Gabriel Mountains: Angeles National Forest, Camp Lupine near Prairie Fork 2012 Comment
  RSA588513  Epilobium canum subsp. latifolium Fordyce Grinnell Jr. 1917-8-28 19180 Los Angeles Pine Flats. 1616 Comment
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Sep 30 2014
  UC55380  Epilobium canum subsp. latifolium J. H. Barber 1897-7-11 252 Los Angeles Mt. Gleason Summit Comment
  UCR190930  Epilobium ciliatum R. G. Swinney 1999-7-28 7599 Los Angeles San Gabriel Mtns., East Fork San Gabriel River Canyon, just south of confluence of Clark Gulch 963 Comment
  POM187764  Epilobium ciliatum subsp. ciliatum Thomas Craig 1933-10-9 2016 Los Angeles Soledad Canyon, about 8 miles west of Ravenna. 610 Comment
  RSA0031753  Epilobium ciliatum subsp. ciliatum Orlando Mistretta, Christine Mistretta 2008-5-5 2642 Los Angeles Southern California Edison transmission line corridor (Segment 11, Impact Area 19 per TRTP Survey 2008), in the vicinity of Eaton Canyon, N of New York Drive. 320 Comment
  SEINET9081497 Image available Epilobium ciliatum subsp. ciliatum R. F. Thorne, M. Z. Thorne 1969-1 38416 Los Angeles San Gabriel Mts., Angeles National Forest: Moist sandy flat along stream just E of Holiday Hill Ski area, Swarthout Valley 1996 Comment
  RSA773911  Epilobium densiflorum R. G. Swinney 2009-7-22 11346 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 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
  RSA586704  Equisetum arvense Orlando Mistretta, Mark Elvin 1995-6-20 1803 Los Angeles San Gabriel Mountains: Bare Mountain Canyon. 1767 Comment
  RSA656849  Equisetum hyemale var. affine Valerie L. Soza, Laura Moore 2000-6-14 1016 Los Angeles San Gabriel Mountains: Spring at Big Cienega, ca. 0.6 mile NE of Deer Flat Campground along South Hawkins Road (FS Road 3N07.2). 1982 Comment
  CATA1216  Equisetum laevigatum Mark L. Hoefs, Douglas R. Hoefs, Jorge Hernandez 1995-6-15 2272 Los Angeles Santa Catalina Island: Cottonwood Canyon 33 Comment
  RSA582959  Equisetum laevigatum T. S. Ross 1993-4-23 6933 (1of2) Los Angeles Santa Catalina Island: SW part of the island in Middle Canyon; along the stream, ca. 350m WNW of Eagle's Nest Lodge. 131 Comment
  POM9426  Equisetum laevigatum L. R. Abrams 1901-4-8 1444 Los Angeles Los Angeles River Comment
  POM1185  Eragrostis mexicana subsp. virescens I. M. Johnston 1918-5-27 s.n. Los Angeles Claremont 366 Comment
  HSC79925  Eragrostis pilosa var. pilosa James Hendrickson 1973-6-15 10709 Los Angeles Long Beach, near 68 St. and Atlantic 61 Comment
  RSA594646  Eremocarpus setiger Steve Boyd, Lauren Raz 1996-10-29 9109 Los Angeles Liebre Mountains region, Atmore Meadows area at the southeastern end of Liebre Mountain in a tributary drainage to the North Fork Fish Canyon. 1317 Comment
  UC407301  Eremocarpus setiger LeRoy Abrams 1902-8-20 2966 Los Angeles near Inglewood Comment
  IRVC28984  Eremocarpus setigerus A. C. Sanders 2003-6-19 26971 Los Angeles hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 366 Comment
  SBBG69944  Eremogone macradenia var. macradenia S. W. Hutchinson 1930-5-8 417 Los Angeles Mint Cyn to Lancaster 762 Comment
  JEPS31698  Eremothera boothii subsp. decorticans Frank W. Peirson 1919-6-14 479 Los Angeles Rock Creek San Gabriel Mountains 1524 Comment
  LA200983  Eremothera boothii subsp. decorticans Carl Wishner; 1988-3-12 1413 Los Angeles 500.0 Comment
  RSA0019894  Eriastrum densifolium subsp. austromontanum Orlando Mistretta, Youssef Atallah 2011-8-12 6032 Los Angeles Aliso Cyn, 1.8 miles West of Jct. of Aliso Cyn Road and Angeles Forest Hwy. On bench above Aliso Creek. 1083 Comment
  RSA0107971  Eriastrum densifolium subsp. austromontanum L. C. Wheeler 1968-9-7 s.n. Los Angeles San Gabriel Mtns.: Big John Flat. 1737 Comment
  RSA0104651  Eriastrum densifolium subsp. austromontanum F. W. Peirson 1919-7-29 521 Los Angeles Summit of Mt. Wilson, San Gabriel Mountains 1738 Comment
  UCR124550  Eriastrum densifolium subsp. densifolium B. C. Templeton 1932-7-21 5048 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  UC130860  Eriastrum pluriflorum Katharine Brandegee May 1909 Los Angeles Lancaster Comment
  SEINET2473461 Image available Eriastrum sapphirinum Richard G. Swinney 2009-1 10704 Los Angeles Transverse Range; San Gabriel Mtns.; Azusa, San Gabriel River 0.1 mi. north of San Gabriel River Bike Path parking lot at Hwy 39 junction 226 Comment
  RSA0122867  Eriastrum sapphirinum subsp. brevibracteatum Justin M. Wood 2010-5-10 1613 Los Angeles Vicinity of Littlerock Creek; just southwest of intersection of Cheseboro Rd. and Mt. Emma Rd. 973 Comment
  CAS-BOT-BC514938  Eriastrum sapphirinum subsp. brevibracteatum A. D. E. Elmer 1902-6-1 3666 Los Angeles Palmdale Comment
  CAS-BOT-BC514974  Eriastrum sapphirinum subsp. dasyanthum Carl Epling; N. Dunn 1931-5-30 s.n. Los Angeles Los Alisos Canyon Comment
  CHSC100688  Ericameria G. D. Wallace; Ann Hiller 1983-5-18 2057 Los Angeles Dirt road W of junction with Chesboro Road on Mt. Emma Rd. at 47th St. E. Gypsum area further along road. 945 Comment
  POM184714  Ericameria cooperi Joseph A. Ewan 1932-5-29 7195 Los Angeles Lower Arrastre Canyon 854 Comment
  UC511466  Ericameria cooperi var. cooperi A. D. E. Elmer 1902-6-1 3668 Los Angeles Lancaster Comment
  LA30864  Ericameria ericoides Peter H. Raven; Jane Turner, Barbara Whitesel 1959-3-15 C- 167 Los Angeles Santa Monica Mountains, Point Dume Comment
  SBBG118806  Ericameria linearifolia G. D. Wallace 1983-5-18 2057 Los Angeles dirt rd of jct with Chesebro Rd on Mt Emma Rd at 47th Street E 945 Comment
  UCD131402  Ericameria linearifolia Lewis S. Rose 1968-4-4 68016 Los Angeles Sacton, Mojave Desert. 822 Comment
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Jan 20 2015
  UCR186662  Ericameria linearifolia A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-14 32069 Los Angeles Tehachapi Mtns. Foothills, along the road to the National Cement Plant, between Hwy 138 and the California Aqueduct 1037 Comment
  CAS-BOT-BC298900  Ericameria nauseosa var. bernardina Marcus E. Jones 1926-9-12 s.n. Los Angeles Swartout Valley, San Gabriel Mts Comment
  SBBG62961  Ericameria nauseosa var. hololeuca R. Hoffmann 1928-11-9 Los Angeles near Lang Comment
  UCR117562  Ericameria palmeri A. C. Sanders, D. Malueg, K. D. Jones 1999-11-19 23269 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 762 Comment
  LA32040  Ericameria palmeri var. pachylepis Peter H. Raven; Henry J. Thompson 1959-10-31 14720 Los Angeles Santa Monica Mountains, Tarzana, Vanalden Avenue S of Wells Avenue 304 Comment
  UC1483335  Ericameria palmeri var. pachylepis Robert F. Thorne, D. Propst, and H. Hoefs 1974-9-12 45114 Los Angeles near Empire Landing; Santa Catalina Island 45 Comment
  UCR45807  Ericameria palmeri var. pachylepis James Henrickson 1972-11-2 8093 Los Angeles 4 mi. north of Newhall in Mayo Hospital site at McBean Parkway near Orchard Village Road 366 Comment
  UCR143333  Ericameria parishii Chris Henne 1946-10-18 s.n. Los Angeles San Gabriel Mtns., Chilao spur off Angeles Crest Highway 1646 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
  RSA517157  Ericameria parishii var. parishii Timothy S. Ross, Orlando Mistretta 1990-10-9 3249 Los Angeles San Gabriel Mountains: Mill Creek Drainage, Tujunga Ranger District, Angeles National Forest. 1457 Comment
  UC1595333  Ericameria parishii var. parishii Tim Ross and Orlando Mistretta 1992-7-24 6742 Los Angeles nne of Strawberry Peak (between Colby Ranch and w branch of Wickiup Cyn stream); San Gabriel Mts 1207 Comment
  CHSC93231  Ericameria pinifolia John Dittes 2005-11-26 1299 Los Angeles Western Transverse Ranges; San Gabriel Mtns.; Big Tujunga Cyn; ca. 2.7 air-miles SE of Mt. McKinley, ca. 3.8 air-miles W of Big Tujunga Reservoir, ca. 3.6 air-miles NE of Mt. Gleason Jr. Highschool; wash of Big Tujunga Creek near Delta Flat Picnic Area. 512 Comment
  OBI5700  Ericameria pinifolia Carl B. Wolf 1931-5-13 1996 Los Angeles Pacoima wash, near bridge on the road from Tujunga to San Fernando 366 Comment
  RSA656969  Ericameria pinifolia D. Roche 1998-5-31 46 Los Angeles Mt. Baldy Road 1.31 miles from intersection of Mills Ave. and Mt Baldy Rd. 573 Comment
  UC1118813  Ericameria pinifolia A. Lewis 1933-5-1 3074 Los Angeles Spunky Canyon Angeles National Forest, Elizabeth Quad., Spunky Canyon 914 Comment
  UCR239949  Ericameria teretifolia R. G. Swinney 2009-11-16 11648 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, Big Rock Wash, 1.2 miles south of Pallett Creek Rd. & Valyermo Rd. junction, 50 m west of Valyermo Rd. 1079 Comment
  RSA232284  Erigeron divergens R. F. Thorne, M. Z. Thorne 1969-7-10 38407 Los Angeles San Gabriel Mts; Angeles National Forest; ca. 1 miles W of Wrightwood 1951 Comment
  RSA774795  Erigeron foliosus R. G. Swinney 2009-7-29 11404 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR259088  Erigeron foliosus R. G. Swinney 2010-9-9 13752 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-BC296210  Erigeron foliosus var. foliosus John Thomas Howell 1947-7-18 23390 Los Angeles Blue Ridge, San Gabriel Mts. 2590 Comment
  UCR149504  Erigeron foliosus var. foliosus Valerie Soza, Ian G. Gillespie, LeRoy Gross 2000-5-18 947 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, SW of Johnstone Peak, above Wildwood Canyon 655 Comment
  UCR65250  Erigeron foliosus var. foliosus F. R. Fosberg 1931-5-11 S- 11857 Los Angeles Channel Islands, Santa Catalina Island, Hamilton Canyon, near Avalon above Hamilton Beach 40 Comment
  CHSC12142  Eriodictyon crassifolium L. M. Mayer 1973-4-21 102 Los Angeles In open canyon floor, ca 2 yds from the rd through Big Tujunga Canyon, ca 3.5 mi ne of the intersection of Foothill Blvd and Mt Gleason Ave. 518 Comment
  RSA454989  Eriodictyon crassifolium Thekla Mohr 1897-05 s.n. Los Angeles Sierra Madra Comment
  SFV15346  Eriodictyon crassifolium J. C. Dittes, C. Dittes 1990-3-31 63 Los Angeles San Gabriel Mountains Little Tujunga Canyon Road. 396 Comment
  POM155610  Eriodictyon crassifolium var. nigrescens P. A. Munz 1927-1 41 Los Angeles Mt. Lowe. Comment
  RSA401526  Eriodictyon crassifolium var. nigrescens Robert M. Perkins 1936-5-3 159 Los Angeles San Gabriel Canyon. Comment
  RSA455044  Eriodictyon crassifolium var. nigrescens E. S. S. 1920-5-30 s.n. Los Angeles Colby Trail Comment
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Sep 18 2013
  UC1124349  Eriodictyon crassifolium var. nigrescens A. D. Gifford 1935-5-8 673 Los Angeles 4 mi ne Whitaker; Tejon quad. Comment
  CAS-BOT-BC188964  Eriodictyon parryi Alice Eastwood 1919-6-20 9012 Los Angeles Mount Wilson Comment
  SFV8265  Eriodictyon parryi T. Gordon, K. Kimbrough, M. H. Grayum 1976-6-25 1622 Los Angeles San Gabriel Mountains Along Angeles Crest Highway, at head of Upper Big Tujunga Canyon, southeast of Charleton Flats. 1677 Comment
  CAS-BOT-BC188089  Eriodictyon traskiae Tim Ross; Janet Takara 1993-4-23 6936 Los Angeles Bed of canyon near roadside; SW part of the island in Cape Canyon, Santa Catalina Island 243 Comment
  RSA455103  Eriodictyon traskiae F. R. Fosberg 1931-5-6 4795 Los Angeles Cape Canyon. Santa Catalina Island. 240 Comment
  UC107120  Eriodictyon traskiae Blanche Trask June 1900 1 Los Angeles Avalon; Santa Catalina Island, Avalon Comment
  RSA658405  Eriodictyon trichocalyx R. Aguayo 1992-5-22 3 Los Angeles 13.5 mi. north of Interstate 210 in Azusa on Sate Hwy. 39 to gated road along West Fk. San Gabriel Riv. 0.3 mi. west of gate, roadside. 884 Comment
  CHSC95357  Eriodictyon trichocalyx var. trichocalyx L. P. Janeway 2006-6-8 8676 Los Angeles San Gabriel Mountains. South slope of Blue Ridge near Angeles Crest Hwy, about 1.4 air km northeast of Vincent Gap. 2079 Comment
  RSA508719  Eriodictyon trichocalyx var. trichocalyx Barry Burnell 1969-5-22 137 Los Angeles San Antonio Canyon just below the narrows below Camp Baldy. San Antonio Creek Drainage Area. 1067 Comment
  SBBG133183  Eriogonum B. C. Templeton 1967-8-1 10218 Los Angeles half-mile N of Roundtop; San Gabriel Mtns 1890 Comment
  UCR281417  Eriogonum R. G. Swinney 2014-4-17 16081 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
  SBBG61896  Eriogonum brachyanthum R. Hoffmann 1927-8-31 Los Angeles Palmdale Comment
  SEINET6329284  Eriogonum brachyanthum Scott D. White, Michael Honer, Dylan Hannon 2003-7-16 9634 Los Angeles Santa Clarita area: Santa Clara River wash, near Soledad Canyon Road bridge. Upstream and downstream ca 1.5 miles (Mint Canyon). T4N R15W S17, 18, 20-22 390 Comment
  RSA706908  Eriogonum cinereum Gary D. Wallace, M. Wallace 1985-3-2 2181 Los Angeles Palos Verdes Peninsula, S of Los Angeles. N of Portugese Bend and the school on Forrestal Rd. Comment
  UCR17952  Eriogonum cinereum Edith A. Purer 1932-8-31 s.n. Los Angeles Southern Coast, Palos Verdes Hills 244 Comment
  RSA176261  Eriogonum cithariforme var. agninum Robert F. Thorne 1963-7-11 32778 Los Angeles Along road to Upper Shake Campground, ca. 3 miles W of Lake Hughes, Angeles National Forest. Comment
  CAS-BOT-BC242753  Eriogonum davidsonii James L. Reveal; Barbara J. Ertter 1976-6-28 4556 Los Angeles San Gabriel Mountains, Angeles Forest Highway (California Highway N-3), in Aliso Canyon near the junction of Tie Creek, 1.2 mile north of Mill Creek Summit 1371 Comment
  CAS-BOT-BC242765  Eriogonum davidsonii Alice Eastwood 1919-6-20 9026 Los Angeles Mt. Wilson Comment
  UC1595359  Eriogonum davidsonii Tim Ross, Steve Boyd 1990-6-18 3460 Los Angeles northerly draw draining to Jackson Lake Jackson Lake; San Gabriel Mtns., Camp Verdugo Pines and vicinity, Mescal C 1877 Comment
  RSA766329  Eriogonum davidsonii F. R. Fosberg, Joseph A. Ewan 1931-8-10 s.n. Los Angeles Crystal Lake, N fork San Gabriel River. San Gabriel Mountains. 1616 Comment
  RSA764501  Eriogonum deflexum var. baratum Orlando Mistretta, Christine Mistretta 2008-5-2 2614 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 42 per TRTP survey, 2008), in the vicinity of Ritter Ridge. 1021 Comment
  RSA0056368  Eriogonum elongatum James R. Shevock 1978-9-16 2266 Los Angeles Malibu Cyn. 304 Comment
  UCSB10613  Eriogonum elongatum Gill, Robert 1959-9-30 Los Angeles San Gabriel Dam, at base; Mt. Range: San Gabriel; Drainage area: Pacific Slope Comment
  LA200759  Eriogonum elongatum var. elongatum Norman A. Cole; May 1964 389 .5 Los Angeles Santa Monica Mountains, La Sierra Canyon, 3.1 mi E of junction of Mulholland and Cornell Rd 274 Comment
  CAS-BOT-BC249773  Eriogonum elongatum var. elongatum Mrs. H. P. Bracelin 1931-10-11 571 Los Angeles Topanga Canyon, about three miles east of ocean beach. Santa Monica Mts. Comment
  RSA567779  Eriogonum fasciculatum var. foliolosum H. T. Beck 1992-1-31 1478 Los Angeles Whitewater Canyon, 6km N of I-10. Comment
  RSA602458  Eriogonum fasciculatum var. foliolosum Scott D. White 1997-5-15 5150 Los Angeles Big Tujunga Wash: Sunland-Tujunga area;alluvial fan below San Gabriel Mountains SW of I -210 freeway, E of Hansen Dam, and N of Wentworth St. 335 Comment
  SD40462  Eriogonum fasciculatum var. foliolosum Edith A. Purer 1931-2-11 Los Angeles Griffith Park, hillside Comment
  RSA0088943  Eriogonum fasciculatum var. polifolium Bonnie C. Templeton 1971-5-16 11614 Los Angeles 7 mi. n. e. of Palmdale. 815 Comment
  RSA524187  Eriogonum fasciculatum var. polifolium Tim S. Ross, Steve Boyd 1990-6-6 2880 Los Angeles Piru Pond: Los Padres National Forest. (admin. by Angeles N.F.) 645 Comment
  RSA601131  Eriogonum fasciculatum var. polifolium Louis C. Wheeler 1967-6-15 9819 Los Angeles San Gabriel Mountains: Fremont Pass. Land Grant 564 Comment
  UC570135  Eriogonum fasciculatum var. polifolium A. Simontacchi 1935-5-26 44 Los Angeles 1.75 mi saw Manzana; Tejon Quadrangle 914 Comment
  UCR199998  Eriogonum fasciculatum var. polifolium Valerie Soza, Mariam Sidibeh 2003-3-26 1605 Los Angeles Transverse Ranges; Verdugo Mountains, North side of La Tuna Canyon, Haines Canyon Park vicinity, south of Dorothy and Estepa Drive intersection 610 Comment
  SBBG12769  Eriogonum giganteum var. formosum E. R. Blakley 1962-6-10 5236 Los Angeles above and N of Seal Cove 60 Comment
  RSA167831  Eriogonum giganteum var. giganteum Robert F. Thorne, Percy C. Everett 1964-2-7 33472 Los Angeles Lower end of Pebbly beach Canyon, E end of Santa Catalina Island. Comment
  UC6439  Eriogonum gracile Wm. H. Brewer December 1, 1860-Dec 5, 1860 20 Los Angeles sandy plain s town; Los Angeles Comment
  UCR124027  Eriogonum gracile A. C. Sanders, Mark A. Elvin 2002-8-28 25601 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusement park 360 Comment
  CAS-BOT-BC253449  Eriogonum gracile Dr. A. Davidson 1893-1-1 s.n. Los Angeles Unspecified Comment
  RSA567258  Eriogonum gracile var. gracile Tim S. Ross, S. D. Boyd, Peter Fritsch 1990-6-27 3869 Los Angeles Liebre Mountain: N slope, between Horse Camp Canyon and Robinson Canyon. 1473 Comment
  UCSB24302  Eriogonum gracillimum Harger, B. 1967-5-26 Los Angeles Godde Hill Road; 0.5 miles north from its intersection with Elizabeth Lake Road; Sierra Pelona Ridge 975 Comment
  OBI69361  Eriogonum grande John Knapp, Denise Knapp 2002-11-27 19 Los Angeles Santa Catalina Island. 6 Comment
  CAS-BOT-BC252237  Eriogonum grande var. grande Reid Moran 1958-9-16 6846 Los Angeles Canyon 2 miles SE of Eel Point, San Clemente Island 100 Comment
  RSA393214  Eriogonum grande var. grande M. B. Dunkle 1928-11-18 2030 Los Angeles Gallagher's, Santa Catalina Island. Comment
  RSA0102542  Eriogonum hirtiflorum Richard G. Swinney 2011-6-7 15083 Los Angeles San Gabriel Mountains: summit of Mount Mooney, 0.4 air-mile due east of Angeles Crest Hwy & 0.5 mile due north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory. 1768 Comment
  RSA611517  Eriogonum maculatum Louis C. Wheeler 1968-5-12 s.n. Los Angeles Spring 2/3 mile E of Juniper Bowl; Juniper Hills. 1159 Comment
  RSA572345  Eriogonum microtheca var. corymbosoides R. T. Hawke 1994-9-11 73 Los Angeles Upper Fork of Little Rock Creek ( near Hwy 2). Comment
  CAS-BOT-BC268774  Eriogonum mohavense A. D. E. Elmer 1902-6-1 3651 Los Angeles Lancaster Comment
  UCR227764  Eriogonum mohavense R. F. Thorne, G. D. Wallace 1973-4-24 43447 Los Angeles Western Mojave Desert, Antelope Valley, Lovejoy Buttes, north of Llano 915 Comment
  RSA249756  Eriogonum nidularium Robert F. Thorne 1973-5-11 43466 Los Angeles 1/4-1/2 mile N of Bob's Gap, N slope of Holcomb ridge, ca. 2.5 miles due S of Llano. 1159 Comment
  RSA766393  Eriogonum parvifolium Joseph A. Ewan 1929-1-1 565 Los Angeles Rocky Point, Palos Verdes 6 Comment
  SBBG65204  Eriogonum plumatella R. Hoffmann 1927-6-14 Los Angeles Palmdale Comment
  UCR205586  Eriogonum pusillum R. G. Swinney 2008-5-13 8855 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, Holcomb Canyon, 0.5 mi. south of Big Rock Creek Rd. 1293 Comment
  UCR225768  Eriogonum roseum Dave Silverman, Cindy Hopkins 2007-4-26 6758 Los Angeles Tejon Ranch, 620 m west of California Aqueduct, 1.3 km south of Kern County line, and 3.6 km north northeast of Quail Lake 977 Comment
  UCR99515  Eriogonum roseum Steve Boyd, Lauren Raz 1996-10-29 9102 Los Angeles San Gabriel Mtns., Atmore Meadows area at the SE end of Liebre Mtn. in a tributary drainage to the North Fork Fish Canyon 1317 Comment
  SDSU6730  Eriogonum roseum D. F. Howe 1978-8-3 4910 Los Angeles Intersection of Kanan Road & Mulholland Hwy, Santa Monica Mtns. 549 Comment
  CAS-BOT-BC267604  Eriogonum saxatile Le Roy Abrams; E. A. McGregor 1908-7-5 656 Los Angeles Swartout Canyon, desert slopes of the San Gabriel Mountains 1981 Comment
  CAS-BOT-BC262861  Eriogonum thurberi Cecil Hart 1923-6-17 s.n. Los Angeles San Gabriel River Comment
  RSA783171  Eriogonum thurberi Elizabeth A. Kempton, Steve Boyd, Valentin Arvizu 2006-6-17 396 Los Angeles Along 7N22 Knapp Ranch Road, head of Salt Creek upper watershed 1125 Comment
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Jul 28 2014
  UCR256549  Eriogonum thurberi Anuja Parikh, Nathan Gale 2011-6-18 3487 Los Angeles Transverse Range: San Gabriel Mountains, Aliso Canyon, 1.4 km west of Angeles Forest Hwy, 0.1 km south of Aliso Canyon Road 1112 Comment
  UCR269971  Eriogonum thurberi R. G. Swinney 2010-6-29 13386 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center 305 Comment
  RSA590617  Eriogonum thurberi Tim S. Ross, S. D. Boyd 1990-6-4 2795 Los Angeles ridge separating Moody Canyon (on the E) from Mill Canyon and Bootleggers Canyon (on the W). 1036 Comment
  RSA226968  Eriogonum umbellatum var. minus Robert F. Thorne 1971-8-25 41243 Los Angeles San Gabriel Mountains, Angeles National Forest: S ridge of summit of Mt. Baden- Powell 2805 Comment
  RSA781292  Eriogonum umbellatum var. munzii R. G. Swinney 2009-7-23 11375 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UC586891  Eriogonum umbellatum var. subaridum Joseph Andorfer Ewan 1934-8-3 8358 Los Angeles below Big Pines Camp; San Gabriel Mts., Swartout Valley 1981 Comment
  UCR231909  Eriogonum viridescens Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-20 8038 Los Angeles Mojave Desert, Antelope Valley, north of Palmdale and west of Air Force plant, 50 m west of Sierra Highway and 325 m north of Avenue N 779 Comment
  UCSB30869  Eriogonum viridescens Burgess, Rick 1978-5-20 Los Angeles 106 St. East; 3 miles south of junction with Pear Blossom Hwy 914 Comment
  UCR223192  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2009-7-22 11299 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  RSA62952  Eriogonum wrightii var. membranaceum C. Shay, K. Crawford 1951-9-17 s.n. Los Angeles Saddle Peak Drive, Santa Monica Mountains. Comment
  RSA766284  Eriogonum wrightii var. subscaposum Joseph A. Ewan 1934-8-9 8408 Los Angeles Summit Mt. Williamson. San Gabriel Mtns. 2500 Comment
  CAS-BOT-BC297949  Eriophyllum confertiflorum John H. Thomas 1957-5-31 6796 Los Angeles Occidental College Campus, Los Angeles. Hills behind campus Comment
  RSA0047409  Eriophyllum confertiflorum R. G. Swinney 2010-3-10 11826 Los Angeles Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 442 Comment
  RSA695683  Eriophyllum confertiflorum Anonymous s.n Los Angeles Milard's Canyon [Millard Canyon]. Comment
  RSA0105749  Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-7-7 15447 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  SBBG98706  Eriophyllum confertiflorum var. confertiflorum T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5274 Los Angeles W fork of Near-Death Cyn, draining to Mosquito Cove (drainage beginning 800 ft N of Rest; 1800 ft SE of Malo Knoll 304 Comment
  UCR193700  Eriophyllum wallacei R. G. Swinney 1999-4-5 7046 Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 0.6 mi. south of Ft. Tejon Rd. (Ave. Y) on 213th St. East 1207 Comment
  SEINET3860285  Erodium botrys R. G. Swinney 2009-3-25 10157 Los Angeles San Gabriel Mtns. Foothills: far west end of Glendora Ridge Motorway on north side of road at boundary of El Encanto Azusa River Wilderness Park.; 0 549 Comment
  SBBG98681  Erodium botrys T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5170 Los Angeles 1100 ft SSW of Twin Dams, 1450 ft NNW of Boulder marker (1859) 490 Comment
  CATA365  Erodium brachycarpum Mark L. Hoefs 1974-3-28 414 Los Angeles Santa Catalina Island: Ridge above and north of upper Bulrush Canyon, northwest exposure 335 Comment
  UCR182263  Erodium cicutarium R. G. Swinney, Dave Larson 1998-4-26 6032 Los Angeles San Gabriel Mtns., head of Dry Lake Canyon at 'Dry Lake', south of Sunset Peak 1521 Comment
  UCR220257  Erodium cicutarium R. G. Swinney 2009-4-28 10509 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  UC557787  Erodium cicutarium Nell Murbarger Mar 1936 25 Los Angeles e side San Clemente Island Comment
  SBBG78443  Erodium moschatum E. Z. Rett, P. C. Orr 1945-4-10 Los Angeles San Clemente Island Comment
  UC205877  Erysimum capitatum I. Johnston 1917-3-10 58 Los Angeles in field Cucamonga Comment
  LA105383  Erysimum capitatum var. capitatum Barry A. Prigge; 1989-4-23 8492 Los Angeles Santa Susana Mountains, Devil Canyon, 1.4 air mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 429 Comment
  UCD115000  Erysimum capitatum var. capitatum Daryl Koutnik; John Cuti 1978-4-12 341 Los Angeles Verdugo Mountains, south of La Tuna Canyon Road. 579 Comment
  SD90491  Erythranthe guttata Robert F. Thorne 1966-4-17 36125 Los Angeles San Clemente Island; rocky bottom of upper reaches of Box Canyon, NW of Horse Canyon, SW of Thirst 244 Comment
  LA200737  Eschscholzia caespitosa W. O. Griesel; 1936-5-9 sn Los Angeles Santa Monica Mountains, Malibu Lake Comment
  RSA188115  Eschscholzia californica Robert F. Thorne, Percy C. Everett 1965-6-22 34846 Los Angeles Santa Catalina Island: Renton Mine area. 244 Comment
  RSA433650  Eschscholzia californica F. R. Fosberg 1931-5-6 4802 Los Angeles Santa Catalina Island. Cape Canyon. 10 Comment
  RSA433662  Eschscholzia californica T. S. Clare 1929-3-28 s.n. Los Angeles Topango [Topanga] Canyon. Comment
  RSA652112  Eschscholzia californica Wm. Guasti 1948-2-27 s.n. Los Angeles Located 4 1/2 miles north east of Canoga Park. 351 Comment
  SD69546  Eschscholzia californica Robert F. Thorne, P. Everett 1965-6-23 34988 Los Angeles Santa Catalina Island; upper end of Middle Ranch Canyon 274 Comment
  UCR271069  Eschscholzia californica R. G. Swinney 2011-4-28 14544 Los Angeles San Gabriel Mountains, north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 963 Comment
  SD27740  Eschscholzia ramosa Carl B. Wolf 1932-5-9 3448 Los Angeles Santa Catalina Island; Pebbly Beach. 7 Comment
  SEINET13383115 Image available Eucalyptus camaldulensis R. G. Swinney 2010-1 12109 Los Angeles San Gabriel Moutains: Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway 207 Comment
  RSA604201  Eucalyptus rudis Louis C. Wheeler 1972-5-25 s.n. Los Angeles Cobb Estate. Comment
  UC1204766  Eucalyptus sideroxylon Huron H. Smith 1912-3-16 4509 Los Angeles Santa Monica, State Eucalyptus Exp. Station 91 Comment
  UC1204770  Eucalyptus viminalis Huron H. Smith 1912-3-16 4467 Los Angeles State Eucalyptus Exp. Station 91 Comment
  RSA131018  Eucrypta chrysanthemifolia Percy C. Everett, E. K. Balls 1959-6-2 23836 Los Angeles 1 mile northeast of entrance to Stokes Canyon, Santa Monica Mountains. 183 Comment
  RSA709578  Eucrypta chrysanthemifolia A. C. Sanders, Helen Kennedy 2005-4-13 29489 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between mint and Plum Canyons. 457 Comment
  UCR276795  Eucrypta chrysanthemifolia R. G. Swinney 2011-3-29 14244 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
  RSA75984  Eucrypta chrysanthemifolia F. W. Peirson 1930-5-30 8902 Los Angeles Mint Canyon 610 Comment
  POM21370  Eucrypta chrysanthemifolia var. chrysanthemifolia George B. Grant 1905-4-16 s.n. Los Angeles Pasadena. Comment
  SBBG128227  Eucrypta chrysanthemifolia var. chrysanthemifolia M. L. Hoefs, S. A. Junak 2000-4-14 3071 Los Angeles hillside ca. halfway between Airport Rd and Goat Harbor 469 Comment
  RSA747328  Euphorbia albomarginata R. G. Swinney 2005-8-11 8439 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  SD231286  Euphorbia albomarginata Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 50506 47 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. Along ridge, wash and roadside. 1444 Comment
  UCR265523  Euphorbia albomarginata Dan S. Cooper 2015-3-5 2015- 41 Los Angeles Los Angeles Basin; Coastal Plain, Torrance, SW corner of Crenshaw Blvd. and West 208th St. 22 Comment
  UCR105728  Euphorbia esula L. C. Wheeler 1974-5-19 s.n. Los Angeles City of Pasadena, S edge of Kinneloa Mesa by New York Avenue. 293 Comment
  UCR109013  Euphorbia melanadenia L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mtns., W side of divide between Little Tujunga and Ebey Canyon, along road 640 Comment
  CAS-BOT-BC202395  Euphorbia ocellata Louis Wheeler 1965-6-21 8694 Los Angeles Alpine Butte: ca 3 mi east of 90th street east and Ave 6 on Ave 0 ca 1 mile west of Alpine Butte. Wildflower Sanctuary Comment
  RSA662143  Euphorbia peplus Carol Zuck 1981-2-3 2 Los Angeles 1443 A Springfield St. Upland. Comment
  RSA70385  Euphorbia peplus F. W. Peirson 1921-4-8 2400 Los Angeles Coolidge Rare plant gardens, Santa Anita Road, Pasadena, CA. Comment
  UCR206490  Euphorbia serpillifolia A. C. Sanders, T. B. Salvato 2009-5-20 36887 Los Angeles San Gabriel Valley, near Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery 63 Comment
  SD241807  Euphorbia serpillifolia Louis C. Wheeler 1936-6-20 4173 Los Angeles Glendale; 500 block of West Glenoak Avenue. 152 Comment
  CAS-BOT-BC312238  Euthamia occidentalis J. Ewan 1930-9-15 5527 Los Angeles Ballona Creek at Playa del Rey Road Comment
  SBBG32130  Extriplex californica R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -239 Los Angeles Little Harbor Comment
  UCR149513  Festuca arundinacea R. G. Swinney 1997-6-25 5637 Los Angeles San Gabriel Mtns., west of Wrightwood, Mountain High Ski Resort runway, c. 2 miles east of Hwy 2 on FS road 3N06, Guffy Rd. 2366 Comment
  UCR220287  Festuca microstachys R. G. Swinney 2009-4-24 10479 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  UCR90286  Festuca microstachys Karen Kirtland 1993-4-10 s.n. Los Angeles Western Mojave Desert, Lancaster, east of 10th Street E between Avenue 'F' and 'G 709 Comment
  UCR270819  Festuca octoflora R. G. Swinney 2011-5-24 14828 Los Angeles San Gabriel Mountains, to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1061 Comment
  SBBG130704  Festuca perennis S. A. Junak 2000-5-6 SCa 1283 Los Angeles just N of Upper Quarry Rd, ca. 2.4 mi W of jct with rd to housing at Empire Landing 289 Comment
  SDSU3244  Festuca perennis Gerald Collier 1951-5-10 M 60 Los Angeles 11618 Mayfield Ave, LA 49. Comment
  UCR256169  Filago californica R. G. Swinney 2010-3-22 12013 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
  RSA233410  Filago californica R. F. Thorne 1966-4-17 36143 Los Angeles San Clemente Island, Box Canyon, NW of Horse Canyon, SW of Thirst. 274 Comment
  RSA618676  Filago gallica L. C. Wheeler 1967-5-18 9612 Los Angeles Angeles National Forest; Placerita Canyon. 518 Comment
  RSA0083302  Foeniculum vulgare R. G. Swinney 2010-6-23 13322 Los Angeles Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin. 341 Comment
  POM187496  Foeniculum vulgare L. C. Wheeler 1933-9-26 2129 Los Angeles San Gabriel Canyon, San Gabriel Mts. 335 Comment
  SFV16498  Foeniculum vulgare K. Tajbakhsh 1996-4-13 26 Los Angeles California Channel Islands Catalina Island. Fisherman's Bay. 50 m outside of USC Marine Research Station. Comment
  CLARK-A1528-3288  Forestiera neomexicana John C. Roos 1937-8-11 22 Los Angeles Lancaster Comment
  SD90220  Frangula californica subsp. californica Benjamin C. Stone November 1952 278 Los Angeles San Antonio Canyon, San Gabriel Mountains 671 Comment
  CAS-BOT-BC223746  Frankenia salina D. E. Breedlove 1961-9-24 1280 Los Angeles Ballast Point, S side of Catalina Harbor; Santa Catalina Island Comment
  UCR85802  Frasera neglecta T. S. Ross, Steve Boyd 1991-7-24 5650 Los Angeles San Gabriel Mtns, Granite Mountain 1951 Comment
  RSA464908  Fraxinus dipetala Freda Detmers 1933-4-10 17587 Los Angeles Sierra Madre Mountains; Little Tujunga Canyon Comment
  UC1123371  Fraxinus dipetala A. D. Gifford 1935-4-14 579 Los Angeles 2.5 mi e Whitaker Pk.; Angeles National Forest, Tejon Quad. 914 Comment
  UCR147289  Fraxinus dipetala Orlando Mistretta 1992-6-17 590 Los Angeles Transverse Ranges; San Gabriel Mountains, Road 2N09 EA. Curtiss Haul Road, Cow Canyon. From 2nd drainage down to Cattle Canyon Comment
  SBBG121649  Fraxinus uhdei L. Gross 2007-5-16 2731 Los Angeles entrance to Wildwood Cyn at intersection with Harvard Rd and Wildwood Cyn Rd 387 Comment
  CAS-BOT-BC211014  Fraxinus velutina W. R. Dudley; F. H. Lamb 1896-6-8 4376 Los Angeles Kings Canon [Canyon], Liebre Mountains Comment
  SBBG52389  Fraxinus velutina J. Tietjen 1977-5-9 Los Angeles Fern Cyn, Malibu Crk State Park 335 Comment
  OBI80785  Fraxinus velutina Luis Aguilar 2015-8-26 Los Angeles Peter Strauss Ranch, along Mulholland Hwy at northeast corner of the park. 233 Comment
  OBI80788  Fraxinus velutina Luis Aguilar 2015-8-26 Los Angeles Peter Strauss Ranch, along Mulholland Hwy at northeast corner of the park. 230 Comment
  RSA651751  Fremontodendron californicum subsp. californicum Diane T. Liggett 1981-5-25 21 Los Angeles San Dimas Experimental Forest, 45 kilometers east of Los Angeles, [San Gabriel Mountains]. 823 Comment
  UC3623  Fritillaria biflora Harley P. Chandler 1897-3-14 Los Angeles San Dimas 609 Comment
  RSA719125  Funastrum cynanchoides var. hartwegii Naomi Fraga 2002-4-28 75 Los Angeles San Jose Hills; California State Polytechnic University, Pomona. Voorhis Ecological Reserve. S slope of Box Canyon. Comment
  SFV21405  Funastrum cynanchoides var. hartwegii L. Gross, N. Fraga, B. Hogshead 2002-3-21 497 Los Angeles Verdugo Mountains Southwest side of Verdugo Mountains. South of La Tuna Canyon Road at end of Morning Glow Way. Near the main ridgetop south of Morning Glow. 412 Comment
  RSA579337  Galium andrewsii subsp. intermedium Tim S. Ross, Steve D. Boyd 1994-9-21 8301 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). (east into adjacent 64th section) 1607 Comment
  RSA0056247  Galium angustifolium subsp. angustifolium Orlando Mistretta, Mike Hammitt 1991-4-15 s.n. Los Angeles San Francisquito Canyon. 543 Comment
  UC1424925  Galium angustifolium subsp. angustifolium Jack Delaini and Barbara Shervanick 1974-5-23 211 Los Angeles steep side of canyon near stream at bottom; Angeles National Forest, San Dimas Experimental Forest, Lodi Comment
  RSA585677  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-11 3337 Los Angeles Big Rock Creek: just above the confluence of Holcomb Canyon Creek, between Big Rock Creek Road and the mouth of Holcomb Canyon. 1255 Comment
  SFV21421  Galium angustifolium subsp. angustifolium L. Gross, M. Denslow, B. Hogshead, S. Swartzentruber 2003-6-17 1029 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Along road across from Brand Canyon Debris Basin at mouth of Brand Canyon. 262 Comment
  POM48098  Galium angustifolium subsp. nudicaule I. M. Johnston 1924-8-13 s.n. Los Angeles Sunset trail, 1 mi. S of Sunset Peak 1585 Comment
  RSA725210  Galium aparine Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -60 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  UCR205572  Galium aparine R. G. Swinney 2008-5-30 8877 Los Angeles San Gabriel Mtns., San Gabriel Canyon along old road/trail at El Encanto [El Encanto Azusa River Wilderness Park, 0.2 mi. upstream from park admin. buliding -- R.G.S., 2010] 256 Comment
  UC1409084  Galium catalinense Robert F. Thorne and Doug Propst 1973-2-12 Los Angeles on slopes of hill e Isthmus (above Banning House); Santa Catalina Island, Ironwood Gully 182 Comment
  SBBG98710  Galium catalinense subsp. acrispum T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5291 Los Angeles W fork of Near-Death Cyn, draining to Mosquito Cove (drainage beginning 800 ft N of Rest; 1800 ft SE of Malo Knoll; upper portion of drainage 274 Comment
  SBBG119262  Galium grande V. Soza, W. Law, L. Moore 2000-7-7 1054 Los Angeles E of White Saddle, above Cold Springs Cyn, along Silver Fish Rd, ca. 1.54 mi E of jct of Van Tassel Truck Trail (FS Rd 1N36) and Silver Fish Rd (FS Rd 1N29); T1N R10W NE/4, SE/4, SE/4 S5 853 Comment
  RSA585904  Galium johnstonii Tim S. Ross, Steve D. Boyd 1990-5-23 2612 Los Angeles Mt Gleason area: north-northwesterly ridge decending from Messenger Peak (6015 ft) near the headwaters of Mill canyon and Moody Canyon. 1720 Comment
  POM157983  Galium nuttallii subsp. insulare M. B. Dunkle 1928-3-17 1746 Los Angeles Santa Catalina Island, Johnson's Canyon 30 Comment
  SBBG112870  Galium parisiense S. A. Junak with M. L. Hoefs, K. Kirkland 1998-7-17 SCa 769 Los Angeles Silver Cyn, at lowermost fork 12 Comment
  RSA585928  Galium porrigens var. porrigens Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-8 2935 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
  SDSU10616  Galvezia speciosa D. F. Howe 1953-5-3 2273 Los Angeles Cliff overlooking ocean, south side of Wain Canyon. Santa Catalina Island. Comment
  SBBG39563  Gambelia speciosa K. K. Muller 1953-5-2 596 Los Angeles above ocean, just S of Camp Orizaba, Swain Cyn Comment
  UCR276920  Gamochaeta pensylvanica R. G. Swinney 2011-3-29 14246 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
  SBBG128241  Gamochaeta ustulata M. L. Hoefs, S. A. Junak, M. Askew 1999-7-15 3058 Los Angeles lower Bulrush Cyn 262 Comment
  CAS-BOT-BC158010  Garrya veatchii Louis C. Wheeler 1931-12-30 424 Los Angeles San Antonio Wash 670 Comment
  LA44540  Garrya veatchii W. O. Griesel; 1937-12-23 sn Los Angeles Santa Monica Mountains, Las Virgenes Canyon Comment
  RSA158334  Gastridium phleoides P. H. Raven 1962-7-10 17967 Los Angeles Upper reaches of Cave Canyon, the large canyon draining southwest from Thirst, San Clemente Island Comment
  RSA802047  Gastridium phleoides Orlando Mistretta, Kristie Haydu 2011-7-20 5960 Los Angeles Arroyo Seco Canyon area. Angeles Crest Hwy near junction with Grizzly Flat Road. 902 Comment
  RSA229068  Gayophytum decipiens Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38863 Los Angeles San Gabriel Mts., Angeles National Forest: Wet, open N-facing slope above Angeles Crest Hwy. at headwater of S Fork, Big Rock Creek, c. 1.7 mi. S of Dawson Saddle. 2317 Comment
  POM11397  Gayophytum heterozygum P. A. Munz 1921-6-17 4646 Los Angeles Swartout [Swarthout] Valley: Sawmill. 2073 Comment
  RSA310133  Gayophytum oligospermum Wayne E. Sawyer 1981-6-25 62 Los Angeles Crest trail, 0.5 mi. W of Mt. Hawkins . San Gabriel Mountains. 2561 Comment
  CATA2023  Geranium carolinianum Steven A. Junak, Mark Hoefs, Keri Kirkland 1998-4-5 550 Los Angeles Santa Catalina Island: W of road to Toyon Bay, 1.4 road miles from intersection with Airport Road, small gully along interpretive trail to ironwood grove 164 Comment
  RSA391326  Geranium rotundifolium L. E. Hoffman 1934-5-14 s.n. Los Angeles Trail Canyon, Los Angeles Forest. Comment
  RSA746405  Gilia R. G. Swinney 2003-7-11 8296 Los Angeles Juniper Hills, Pallet Creek 0.4 mi south of Tumble Weed Ranch in Pallet Creek. Spring on east side of wash/small pond 1280 Comment
Read comments
Dec 7 2018
  SFV2885  Gilia achilleifolia P. G. Kilburn 1958-3-5 647 Los Angeles San Fernando Valley Oat Mountain, Brown Canyon. Comment
  RSA271448  Gilia aliquanta subsp. aliquanta R. F. Thorne, John Dourley, Walter Wisura 1978-4-17 1525 Los Angeles Bob's Gap, about 2.5 air mile north-east of Valyermo. 1098 Comment
  UCR60814  Gilia aliquanta subsp. aliquanta Steve Boyd, Orlando Mistretta 1986-3-31 1535 Los Angeles Mojave Desert, Hwy 138, 4 mi east of junction with Hwy 18, NE of Pinyon Hills Comment
  SFV2859  Gilia angelensis M. L. Vincent 1963-5-7 337 Los Angeles Santa Susana Mountains Santa Susana Pass Road. 0.5 miles east of Ventura County line near top of the pass. 0.25 miles off the main road at the top of the pass on a small path. 489 Comment
  UC909023  Gilia angelensis Margaret Stason 1927-3-13 Los Angeles Pasadena Comment
  POM3479  Gilia angelensis Anonymous 1891-3-29 s.n. Los Angeles Alhambra. Comment
  RSA587475  Gilia brecciarum subsp. brecciarum Orlando Mistretta, S. D. Boyd, Darin Banks 1994-4-29 1124 Los Angeles San Gabriel Mountains, Santiago Canyon, slopes W of main drainage below Mt. Emma. 1341 Comment
  SBBG122091  Gilia brecciarum subsp. brecciarum A. Parikh, N. Gale 2003-5-10 730 Los Angeles Bald Mtn, 1 km SE of summit, 0.2 km SW of Old Ridge Rd 1185 Comment
  RSA0089249  Gilia cana Mitch Provance 2008-4-14 10139 Los Angeles Western Transverse Range: Liebre Mountains: southeast of Quail Lake, 1.4 miles southeast of Hwy 138 on FSR N2/Ridge Route Road. 1160 Comment
  UCR127210  Gilia capitata A. C. Sanders 2003-5-1 26243 Los Angeles Western San Gabriel Mtns., NE side of Castaic Mesa, near Angeles National Forest boundary, c. 0.6 mi. due west of confluence of Bitter and Charlie Canyons 396 Comment
  UCR214029  Gilia capitata A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37958 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
  SFV21758  Gilia capitata subsp. abrotanifolia V. Soza, L. Gross, A. Munoz 2000-5-12 895 Los Angeles Verdugo Mountains Northwestern end of Verdugo Mountains. Crestline Drive from New Home Avenue in Sunland. Ridge east of 210 Freeway and west of fire road, south (above) water tank. Northeast-facing slope of ridgetop. 488 Comment
  UCR272974  Gilia capitata subsp. abrotanifolia R. G. Swinney 2011-4-26 14501 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
  UC23743  Gilia capitata subsp. abrotanifolia J. Burtt Davy May 9 1896-May 24 1896 2307 Los Angeles foothills at Llano Verde (W Palmdale, Antelope Valley); Antelope Valley, foothills at Llano Verde Comment
  LA206991  Gilia latiflora subsp. davyi Elizabeth Grant; 1937-5-8 sn Los Angeles Mint Canyon 1523 Comment
  UCD117781  Gilia latiflora subsp. davyi A. C. Sanders; B. Pitzer, J. Lyman 1988-4-4 7775 Los Angeles Mojave Desert, near Quartz Hill in Lancaster, south of Ave. L at 37th Street West. 746 Comment
  CAS-BOT-BC226319  Gilia latiflora subsp. davyi Peter Rubtzoff 1988-3-23 9898 Los Angeles Near Antelope Valley California Poppy Reserve. On north side of Lancaster Road, east of the entrance to the Reserve Comment
  RSA72995  Gilia latiflora subsp. davyi Verne Grant, Alva Grant 1952-4-21 18260 Los Angeles along Hwy about 4 mi. S of Gorman on Tejon Pass rd. 1067 Comment
  CAS-BOT-BC226405  Gilia latiflora subsp. latiflora Tim Ross; Steve Boyd; Laurel Arnseth 1991-4-29 4787 Los Angeles Liebre Mountains. Parker Mountain and ridge to the SW: SW of Acton and NNE of Ravenna. NW Los Angeles County 1259 Comment
  RSA469372  Gilia latiflora subsp. latiflora Robert Gustafson 1982-4-26 2520 Los Angeles Mojave Desert, Fort Tejon Road, about 1 mile W of the junction of 121st St 1006 Comment
  RSA271451  Gilia latiflora subsp. latiflora C. W. Tilforth, John Dourley, Walter Wisura 1978-4-17 1535 Los Angeles Junction of Hwy. 168 and 165 St., 3.5 miles east of Pearblossom and c. 3.5 air miles north of Bob's Gap. Comment
  RSA757198  Gilia minor Orlando Mistretta, Christine Mistretta 2008-4-8 2387 Los Angeles Along SCE transmission lines, about 1 mile SE of intersection of Transmission lines with Elizabeth lake Road. (Segment 5, structure 32 per TRTP survey-2008) 965 Comment
  CAS-BOT-BC402021  Gilia ochroleuca subsp. bizonata Verne Grant; Alva Grant 1952-4-21 17555 Los Angeles Ca. 10 mi. s. of Gorman on Tejon Pass rd. 1066 Comment
  RSA515166  Gilia sinuata Steve Boyd, Orlando Mistretta 1986-3-31 1541 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  RSA771843  Gilia splendens R. G. Swinney 2009-5-28 10936 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  JEPS69712  Gilia splendens subsp. splendens Frank W. Peirson 1921-7-3 2485 Los Angeles trail ne Rock Creek divide; San Gabriel Mountains, ne of Rock Creek divide 2133 Comment
  RSA601535  Gilia tenuiflora L. C. Wheeler 1936-6-12 4148 Los Angeles Monroe Canyon. 549 Comment
  POM294035  Glinus lotoides Lyman Benson 1944-11-12 11561 Los Angeles North shore of Puddingstone Lake, San Dimas. San Jose Hills, Pacific Slope drainage area. 305 Comment
  IRVC28620  Glycyrrhiza lepidota A. C. Sanders, Mark Elvin 2002-6-20 25252 Los Angeles Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river NE end of Santa Susana Mtns. 290 Comment
  RSA631381  Gnaphalium californicum Valerie L. Soza, Kent Hughes 1999-6-4 469 Los Angeles Foothills above Glendora, west of Colby Trail, at end of Loraine Avenue. 365 Comment
  UCR194072  Gnaphalium californicum R. G. Swinney, Dave Larson 1999-5-29 7214 Los Angeles San Gabriel Mtns., San Dimas Canyon, main fork c. 100 m north of confluence with East Fork 549 Comment
  POM244226  Gnaphalium chilense F. R. Fosberg 1931-3-23 4338 Los Angeles Hamilton Canyon, Santa Catalina Island. 15 Comment
  CDA6033  Gnaphalium luteoalbum E. M. Becker 1951-9-17 Los Angeles Preston Ranch, Lancaster. 0 Comment
  SBBG31331  Gnaphalium palustre R. F. Thorne with P. C. Everett 1965-6-23 34973 Los Angeles Haypress Reservoir 411 Comment
  RSA574357  Gnaphalium palustre R. G. Swinney 1994-6-20 2960 Los Angeles 2.3 mi. north of Swarthout Canyon road at USFS Rd. #3N49 1072 Comment
  CAS-BOT-BC110279  Grayia spinosa D. B. Dunn 1947-4-16 2935 Los Angeles 1 mile north of Palmdale. Mohave Desert. Comment
  POM359065  Grindelia camporum var. bracteosa Anstruther Davidson 1893-3-8 s.n. Los Angeles Wiseburn. Comment
  POM359088  Grindelia robusta Geo L. Moxley, Grinnell 1916-6-16 495 Los Angeles Santa Susana Mountains. Comment
  UCR124964  Grindelia robusta Geo. L. Moxley, Grinnell 1916-6-16 495 Los Angeles Western Transverse Ranges, Santa Susana Mtns. 1000 Comment
  RSA584311  Guillenia lasiophylla Timothy S. Ross, Steve Boyd 1991-3-23 4276 Los Angeles Northeastern-most corner of the county, ca. 3 mi. SSE of Jackrabbit Hill (Kern Co.), (ca. 1.45 mi. S of Kern Co. line and 0.2-0.5 mi. W of San Bernardino Co. line). 878 Comment
  POM359223  Gutierrezia californica Fordyce Grinnell Jr 1915-9-6 s.n. Los Angeles Pasadena. Comment
  RSA588685  Gutierrezia microcephala Orlando Mistretta 1995-7-12 1897 Los Angeles San Gabriel Mountains: Little Rock Creek, just N of Guard Station along Little Rock Creek, below the dam. 976 Comment
  CAS-BOT-BC302126  Gutierrezia sarothrae Peter H. Raven; Henry J. Thompson 1959-9-18 14450 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). University of California, West Los Angeles 152 Comment
  CLARK-A1528-1885  Haplopappus ericoides John C. Roos 1946-10-12 3129 Los Angeles West Los Angeles Comment
  UC1929458  Hazardia cana Mark Elvin, Orlando Mistretta 1996-3-24 138 Los Angeles Channel Islands; San Clemente Island: Eagle Canyon. Comment
  SFV13341  Hedypnois cretica M. J. Thor 1983-4-8 160 Los Angeles Los Angeles Basin Playa del Rey, Ballona Wetlands. 2 Comment
  UCSB42209  Hedypnois cretica Roos, Alfred 1954-5-17 Los Angeles Near North Kenmore and Oakdale Streets, Hollywood Comment
  RSA0110597  Helenium bigelovii Richard G. Swinney 2010-9-30 13917 Los Angeles 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs. 2290 Comment
  RSA600846  Helenium bigelovii L. C. Wheeler 1966-9-21 8909 Los Angeles San Gabriel Mountains. South fork of Big Rock Creek in the vicinity of Lily Spring. 2378 Comment
  SFV6851  Helenium bigelovii T. Gordon, K. A. Wilson, D. R. Perry 1974-8-14 583 Los Angeles San Gabriel Mountains Lamel Spring. 2378 Comment
  CAS-BOT-BC223989  Helianthemum scoparium Prof. W. R. Dudley 1907-12-16 s.n. Los Angeles Near the reservoir, Monrovia Comment
  RSA135169  Helianthemum scoparium var. vulgare P. H. Raven, David Verity 1960-5-7 15321 Los Angeles Santa Monica Mountains. 244 Comment
  CAS-BOT-BC305417  Helianthus annuus Ernest C. Twisselmann 1955-9-15 2375 Los Angeles San Emigdio Range. Castaic Valley, 1/2 mile northwest of Holland Summit 1219 Comment
  RSA659126  Helianthus annuus LeRoy Gross 2001-4-1 377 Los Angeles Los Angeles Basin: Verdugo Mountains region: Northwest side: Low hill between La Tuna Canyon Road and Sunland Blvd. enter at dead end street at corner of Tuxford St. and Ledge Ave just north of La Tuna Canyon Road in city of Sun Valley., Just west of the mouth of McDonald Creek. 305 Comment
  UCR165232  Helianthus annuus A. C. Sanders, Helen Kennedy 2005-4-13 29473 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyons 457 Comment
  OBI62817  Helianthus annuus Peter Gray 1971-2-20 15 Los Angeles 1/8 mi W of Rinaldi and Zelzah intersectin in Granada Hills Comment
  RSA0048578  Helianthus annuus A. Lee Haines 1970-5-26 s.n. Los Angeles Topanga Canyon Blvd. and Mullholland, Woodland Hills. 304 Comment
  UCR59929  Helianthus gracilentus S. J. Myers 1989-4-28 s.n. Los Angeles Palmdale area, Elizabeth Lake Road at California Aqueduct 884 Comment
  UC624995  Heliotropium curassavicum F. R. Fosberg 1931-4-29 S 4712 Los Angeles mouth of Cottonwood Canyon; Santa Catalina Isl. 2 Comment
  RSA360232  Hemizonia clementina P. A. Munz 1923-4-8 6610 Los Angeles San Clemente Island. Comment
  RSA724397  Hemizonia fasciculata K. Dobry 1991-5-22 D- 637 Los Angeles Soka University NE section. Santa Monica Mts. 1 mi East of Las Virgenes Rd off Muholland Hwy. Comment
  SBBG113110  Herniaria hirsuta var. cinerea S. A. Junak 1998-5-2 SCa 621 Los Angeles upper portion of Avalon Cyn watershed, along Memorial Rd, ca. 0.7 mi rd mi above Wrigley Memorial 213 Comment
  LA82192  Hesperolinon micranthum O. H. Kappler; 1944-6-25 690 Los Angeles 457 Comment
  HSC79914  Hesperoyucca whipplei Philip A. Silverstone 1978-7-23 244 Los Angeles Santa Monica Mtns., Latigo Canyon Rd., 2.9 km inland from Hwy. 1 Comment
  CAS-BOT-BC143679  Heteromeles arbutifolia Timothy S. Ross; Steve Boyd; Steve Burns 1994-7-6 8121 Los Angeles Ruby Canyon: 3.1 road miles WNW of Ruby/Clearwater Saddle, along Ruby-Clearwater Truck Trail; NW side of Red Mountain 755 Comment
  SBBG96052  Heteromeles arbutifolia M. B. Dunkle 1939-11-24 7344 Los Angeles Mosquito summit Comment
  UCR273392  Heteromeles arbutifolia R. G. Swinney 2011-3-18 14150 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  RSA0072424  Heteromeles arbutifolia Bonnie C. Templeton, I. W. Clokey 1929-11-19 1451 Los Angeles Mandeville Canyon, Santa Monica Mts. 250 Comment
  SD85180  Heteromeles arbutifolia var. macrocarpa E. R. Blakley 1963-12-8 6386 Los Angeles San Clemente Island, Canyon bottom above Mosquite Cove, between Triangulation points Malo and Chenity 305 Comment
  CAS-BOT-BC318857  Heterotheca grandiflora S. B. Parish; W. F. Parish 1881-10-1 177 a Los Angeles Santa Monica Comment
  RSA0116754  Heterotheca grandiflora R. G. Swinney 2010-10-5 13964 Los Angeles San Gabriel Mountains; Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center. 463 Comment
  UC75960  Heterotheca grandiflora Geo. B. Grant 1901-1-1 568 Los Angeles Pasadena Comment
  SFV14768  Heterotheca sessiliflora subsp. fastigiata J. C. Dittes 1989-10-28 21 Los Angeles San Gabriel Mountains West Fork of San Gabriel River. Along river access road 0.5 miles up river from highway. 671 Comment
  UC212588  Heuchera abramsii I. M. Johnston 1918-7-6 2096 Los Angeles summit Baldy (Type Station); San Antonio Mountains 3048 Comment
  RSA0063114  Heuchera elegans T. S. Ross, Steve Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3769 Los Angeles Vicinity of Crystal Lake. 1677 Comment
  POM360459  Hieracium argutum Fordyce Grinnell Jr 1911-09 4046 Los Angeles Switzer's Trail. San Gabriel Mountains. Comment
  CAS-BOT-BC319771  Hieracium argutum G. B. Grant 1901-6-1 4466 Los Angeles Unspecified 1524 Comment
  UCD115135  Hirschfeldia incana Daryl Koutnik 1978-3-27 167 Los Angeles Johnson's Pasture. At north end of Mountain Ave, Claremont. 579 Comment
  RSA617228  Holodiscus microphyllus LeRoy Gross 1998-8-22 46 Los Angeles Top of Mt. Baden-Powell. 2866 Comment
  RSA639888  Holodiscus microphyllus Louis C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: Headwaters of Cruthers Creek, north side Will Thrall Peak, on Burkhart trail. 2012 Comment
  RSA640893  Hordeum depressum L. C. Wheeler 1967-8-2 10317 Los Angeles Angeles National Forest; Sulphur Spring 1585 Comment
  SBBG131742  Hordeum intercedens S. A. Junak 1999-4-23 SCa 850 Los Angeles lower part of Ridge Rd to W end, 1 mi from Two Harbors 42 Comment
  UCR214619  Hordeum murinum A. C. Sanders, Dan S. Cooper 2010-3-12 37362 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  POM352452  Hordeum murinum subsp. glaucum Ida Lou Sayler 1942-4-10 s.n. Los Angeles Vacant lots, south Pasadena Comment
  RSA657956  Hordeum murinum subsp. glaucum J. Keeling 1980-6-1 41 Los Angeles South side of Big Tujunga Canyon Road, 1/2 mile east of Mt. Gleson intersection, Tujunga 549 Comment
  UC1147900  Hordeum murinum subsp. leporinum Robert F. Thorne 1966-4-4 35777 Los Angeles ne Isthmus Cover (Blue Cavern Point, Santa Catalina Island); Santa Catalina Island, Blue Cavern Point 30 Comment
  RSA85204  Horkelia cuneata subsp. puberula F. W. Peirson 1923-3-23 4278 Los Angeles San Antonio Wash at Foothill Blvd., Claremont. Comment
  UC136483  Horkelia cuneata subsp. puberula C. F. Baker 1904-4-20 4760 Los Angeles Claremont Comment
  CAS-BOT-BC537284  Horkelia cuneata var. cuneata Le Roy Abrams 1901-4-1 1237 Los Angeles near Ballena Harbor Comment
  RSA0081371  Hulsea heterochroma R. G. Swinney 2010-9-9 13788 Los Angeles Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  SBBG96796  Hulsea heterochroma T. Ross, S. Boyd 1990-6-6 2839 Los Angeles Green Valley Pasture, in Francisquito Cyn 926 Comment
  RSA584134  Hulsea heterochroma Timothy S. Ross, S. D. Boyd, Peter Fritsch 1990-6-8 2959 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
  UCSB26719  Hulsea heterochroma Wilken, Dieter 1969-7-3 Los Angeles Ridge west of Soldier Creek, along California State Highway 39, about 1 mile west of junction to Crystal Lake, San Gabriel Mtns. 1828 Comment
  POM6376  Hydrocotyle umbellata L. T. Street, G. Williams 1919-5-10 2705 Los Angeles San Gabriel River near Bassett. 90 Comment
  UCR209630  Hypericum formosum R. G. Swinney 2008-10-10 9547 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  RSA80698  Hypericum formosum var. scouleri F. W. Peirson 1907-7-9 2072 Los Angeles Pine Flats Comment
  LA105581  Hypochaeris glabra Barry A. Prigge; 1989-5-10 8705 Los Angeles Santa Monica Mountains, Point Dume, above Dume Cove 45 Comment
  RSA746736  Isocoma menziesii A. C. Sanders, T. B. Salvato 2009-5-19 36818 Los Angeles Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 110 Comment
  RSA714591  Isocoma menziesii var. vernonioides A. C. Sanders 2002-8-27 25594 Los Angeles Northeastern Santa Susana Mtns./ Santa Clara River Watershed: Newhall Ranch, Santa Clara River Valley, south of Hwy 126. 274 Comment
  SBBG62841  Isocoma menziesii var. vernonioides R. Hoffmann 1927-8-30 Los Angeles near Castaic Comment
  UCSB31629  Iva axillaris Griesel, Wesley 1962-5-28 Los Angeles San Gabriel Mts.; on the road from Big Pines to Valyermo 1524 Comment
  UC41214  Jacaranda mimosifolia Ernest Braunton July 1904 Los Angeles Los Angeles, Cal Comment
  RSA527640  Jepsonia malvifolia Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4396 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  POM123331  Juglans californica George B. Grant 1905-5-5 635 Los Angeles Pasadena. Comment
  UCR139124  Juglans californica L. C. Wheeler 1968-4-13 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Bluebird Truck Trail 518 Comment
  RSA0011192  Juglans californica F. R. Fosberg 1931-5-12 S 4848 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island 200 Comment
  UC847333  Juglans californica var. californica Ira W. Clokey, B. Templeton Apr. 1929 4465 Los Angeles Mandeville Canyon Santa Monica Mountains 350 Comment
  CAS-BOT-BC412808  Juglans hindsii R. E. Riefner, Jr. 2014-8-6 14 -263 Los Angeles San Fernando Valley, City of Los Angeles, Van Nuys, Sepulveda Flood Basin, Sepulveda Basin Wildlife Area, vicinity of Haskell Creek at Woodley Park, E of Woodley Ave, W of San Diego Freeway, N of Burbank Blvd 213 Comment
  CAS-BOT-BC110038  Juncus acutus John Thomas Howell 1927-6-30 2623 Los Angeles 1 mile east of Long Beach. 15 Comment
  CATA560  Juncus acutus subsp. leopoldii Mark L. Hoefs, Robert F. Thorne 1975-8-7 824 Los Angeles Santa Catalina Island: Lower Middle Canyon 76 Comment
  IRVC28576  Juncus balticus A. C. Sanders, Mark Elvin 2002-6-19 25152 Los Angeles Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River NE end of Santa Susana Mtns. 305 Comment
  UCR270218  Juncus bufonius var. occidentalis R. G. Swinney 2011-10-10 15740 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
  SBBG57259  Juncus macrophyllus V. Duran 1933-7-22 3526 Los Angeles Buckhorn 1981 Comment
  RSA0039056  Juncus mexicanus R. G. Swinney 2009-11-16 11646 Los Angeles Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  RSA70285  Juncus mexicanus F. W. Peirson 1920-9-17 2287 Los Angeles San Antonio Canyon, San Gabriel Mountains. 1341 Comment
  RSA571884  Juncus phaeocephalus var. phaeocephalus Geo L. Moxley 1915-5-9 319 Los Angeles Canyon in hills east of Occidental College Comment
  RSA0035475  Juncus rugulosus R. G. Swinney 2009-11-16 11632 Los Angeles Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  RSA198834  Juncus textilis Robert F. Thorne, D. Propst 1968-5-28 37684 Los Angeles Santa Catalina Island: below lower reservoir in upper Bulrush Canyon 290 Comment
  RSA368147  Juncus textilis L. C. Wheeler 1931-9-27 166 Los Angeles San Dimas Canyon, San Gabriel Mountains. 610 Comment
  UC213647  Juncus textilis I. Johnston 1916-11-26 24 Los Angeles n of Claremont; Evey Canyon 1127 Comment
  RSA264624  Juncus xiphioides H. E. Hasse 1890-06 2534 Los Angeles Canyon, Santa Monica Range. 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-BC81011  Juniperus californica S. Parnay Mar. 208 Los Angeles Near [Fernando] San Fernando Comment
  RSA0108895  Juniperus californica Richard G. Swinney 2011-4-1 14318 Los Angeles San Gabriel Mountains/SW Mojave Desert: WSW of Littlerock, Cheseboro Canyon, 0.4 mi south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  RSA589092  Juniperus californica Orlando Mistretta 1994-9-13 1467 B Los Angeles Little Rock Creek. slopes E of Little Rock Creek Reservoir 1213 Comment
  RSA651020  Juniperus californica Brent Mishler 1977-10-6 s.n. Los Angeles San Gabriel River flood control area, Irwindale. Comment
  RSA653383  Juniperus californica LeRoy Gross 2000-8-25 260 Los Angeles Big Tujunga Wash/ Verdugo Mountains: Orcas Park,entered from Foothill Blvd onto Orcas Ave 324 Comment
  CAS-BOT-BC235634  Keckiella breviflora var. breviflora Carl B. Wolf 1936-5-27 7842 Los Angeles San Gabriel Mts., Indian Canyon Camp, 2 mi. off Soledad Canyon 914 Comment
  OBI9285  Keckiella cordifolia Robert J. Rodin 1953-5-2 5806 Los Angeles Cyn behind White's Cove, Catalina Island Comment
  RSA248668  Keckiella cordifolia Christopher Davidson 1974-6-4 2286 Los Angeles Tapia Park, off Malibu Canyon Rd. Comment
  UC527453  Keckiella cordifolia C. B. Wolf 1931-7-30 Los Angeles base Newhall Grade (0.25 mi above crossing of Los Angeles Aqueduct) 457 Comment
  POM4266  Keckiella ternata subsp. ternata I. M. Johnston 1917-8-23 1676 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  RSA802430  Keckiella ternata subsp. ternata Orlando Mistretta, Cher Batchelor 2011-7-27 5993 Los Angeles Along Rincon Red Box Road (Forest Road 2N24) 1.2 air miles W of Monrovia Peak. 1366 Comment
  SBBG50973  Keckiella ternata subsp. ternata R. S. Woglum 1940-7-6 2903 Los Angeles Charlton Flats Comment
  CAS-BOT-BC123287  Koeleria cristata var. pinetorum LeRoy Abrams 1902-6-29 2599 Los Angeles Mt. Wilson Comment
  UCR179445  Koeleria macrantha R. G. Swinney, Dave Larson 1996-7-17 5115 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  SEINET7042278  Koeleria macrantha A. G. Vestal 1938-7-3 s.n. Los Angeles Barley Flats, San Gabriel Mountains, Angeles National Forest. Chilao Flat quadrangle. UTM Zone 11, 401100mE, 379337mN. Ca 5000'. Comment
  SEINET12233904  Koelreuteria paniculata W. F. Wight 1907-1 1707 Los Angeles Los Angeles, Elysian Park Comment
  SBBG96  Krascheninnikovia lanata R. Hoffmann 1927-9-23 Los Angeles Palmdale Comment
  CAS-BOT-BC340582  Lactuca serriola Steven A. Junak 1996-9-28 SCI- 672 Los Angeles San Clemente Island: W side of island, in middle portion of Box Canyon, near UTM 11 0361800E 3637800N 335 Comment
  RSA611361  Lactuca serriola L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  CATA3218  Lamarckia aurea Julie L. King 2016-11-30 37 Los Angeles Santa Catalina Island: North side of Quarry Haul Rd., about 0.6 road miles from SE junction with Empire Landing Rd. 134 Comment
  RSA794908  Lamarckia aurea LeRoy Gross 2013-3-9 5897 Los Angeles Southern front of the range, north of the city of La Crescenta. Dunsmore Canyon trail, above Deukmejian Wilderness Park. 843 Comment
  SBBG133336  Lamarckia aurea J. Lambert, S. McDonough 2005-4-6 SERG 49 -05 Los Angeles near Swat 2 20 Comment
  UC1584700  Lamarckia aurea Tim Ross 1991-3-24 4317 Los Angeles between Sycamore Canyon and Turnbull Canyon (Whittier Hills, (Puente Hills, pro parte)); Whittier Hills 361 Comment
  CHSC3719  Langloisia Mary Mac Arthur 1966-5-12 13 Los Angeles San Rafael Hills--Glendale College. 213 Comment
  RSA0119515  Langloisia matthewsii R. G. Swinney 2014-4-23 16155 Los Angeles San Gabriel Mountains/Mojave Desert: East of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E.), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains. 1232 Comment
  POM2697  Larrea tridentata A. D. E. Elmer 1915-7-10 s.n. Los Angeles Claremont. Comment
  RSA250610  Larrea tridentata Robert F. Thorne, Arthur C. Gibson, J. P. Simpson, D. J. McGillivray 1970-4-17 39477 Los Angeles Mojave Desert: Ca. 2 miles south of Highway 138, 8 miles ESE of Pearblossom on Grandview Canyon Road. 1189 Comment
  CAS-BOT-BC338155  Lasthenia californica M. E. Jones 1882-3-7 s.n. Los Angeles Pasadena Comment
  SEINET13710413  Lasthenia californica J. Adams, J. Adams (Botany) 1965-1 69 Los Angeles Claremont, Pomona College Wash 1100 Ft 335 Comment
  SFV3751  Lasthenia californica J. Chapman 1956-3-30 s. n. Los Angeles San Gabriel Mountains Gorman. Comment
  JEPS9911  Lasthenia coronaria Frank W. Peirson 1919-3-27 330 Los Angeles Arroyo Seco Canyon San Gabriel Mountains, Arroyo Seco Canyon 411 Comment
  POM50717  Lasthenia coronaria L. R. Abrams 1901-04 1388 Los Angeles Monte Vista. Comment
  POM361485  Lasthenia gracilis Geo L. Moxley 1920-5-1 748 Los Angeles Catalina Island. Comment
  UC30428  Lasthenia gracilis J. Burtt Davy May 9 1896-May 24 1896 2518 Los Angeles Manzana Antelope Valley, Manzana Comment
  RSA405674  Lathyrus vestitus subsp. laetiflorus F. R. Fosberg 1931-3-1 S- 4226 Los Angeles Topanga Canyon, 1.5 mi. below Wildwood, Santa Monica Mountains. 75 Comment
  CATA3440  Lathyrus vestitus var. vestitus Benjamin J. Dion, Stuart Olshevski 2017-4-13 016 Los Angeles Santa Catalina Island: Channel Side; above White's Landing in China Wall watershed, below Airport Rd 139 Comment
  UCR256600  Lathyrus vestitus var. vestitus Anuja Parikh, Nathan Gale 2011-7-3 3531 Los Angeles Transverse Ranage; San Gabriel Mountains, along road to Barley Flats, 2.9 km west of Shortcut Station, 1.3 km north of State Hwy 2, Angeles Crest Hwy 1597 Comment
  UCR264735  Layia glandulosa Steve Boyd, Gary D. Wallace 2011-4-14 12317 Los Angeles Transverse Ranges; Liebre / San Gabriel Mountains region, Acton Wash ca. 3 km east of junction of Soledad Canyon Road and Crown Valley Road. 829 Comment
  POM361631  Layia glandulosa M. Maslow 1968-3-20 26 Los Angeles Mojave Desert, 3.7 miles N of Palmdale and 0.3 miles W of Hwy 14. Comment
  UC1595684  Layia glandulosa W. Wisura and E. Roeder 1992-4-21 4689 Los Angeles .1 mi w of Highway 138 Fort Tejon Road; West Mojave Comment
  SBBG31370  Layia platyglossa R. F. Thorne with P. C. Everett 1965-5-11 34549 Los Angeles about halfway between Little Harbor and Isthmus Cove 152 Comment
  UCR52323  Layia platyglossa David Charlton 1988-4-3 1713 Los Angeles Western Mojave Desert, W of Lancaster on Hwy 138. Quail Lake area between Gorman and Holiday Valley 1070 Comment
  POM361666  Layia platyglossa subsp. campestris F. R. Fosberg 1931-5-7 4840 Los Angeles Cottonwood Canyon, Santa Catalina Island 160 Comment
  RSA177835  Layia platyglossa subsp. campestris R. F. Thorne 1965-5-11 34549 Los Angeles Along road to Rancho Escondito above Cottonwood Dam in Cottonwood Canyon, Santa Catalina Island. 107 Comment
  POM361670  Layia platyglossa subsp. campestris Anstruther Davidson 1897-05 2025 Los Angeles San Gabriel Mountains Comment
  OBI69261  Lepechinia fragrans John Knapp, Denise Knapp 2003-4-13 33 Los Angeles Catalina Island 3695254.984N x 369457.457E 141 Comment
  RSA429963  Lepidium Anstruther Davidson 1902-5-30 1863 Los Angeles Roadside Comment
  RSA589184  Lepidium flavum Timothy S. Ross 1991-4-28 4737 Los Angeles ca 940 m due W of the big butte of Three Sisters along shallow wash that runs NW toward Black Butte. Blading road heading N from Black Butte Basin Road x Avenue U [not on 1968 topo]., Running northward to the W of BBB Rd. for about 1.2 miles, then rejoining it NW of Three Sisters Buttes. 939 Comment
  UC1076213  Lepidium flavum H. L. Mason 1932-4-1 6863 Los Angeles 1 mi e Lancaster Comment
  CAS-BOT-BC89420  Lepidium fremontii Ernest C. Twisselmann 1963-5-10 8152 Los Angeles Mojave Desert. Rosamond Region. Avenue A 1.5 mile east of Highway U.S. 6. 731 Comment
  RSA251530  Lepidium lasiocarpum R. F. Thorne 1973-4-12 42918 Los Angeles San Clemente Island, Horse Cove, S end of island. 5 Comment
  RSA534117  Lepidium lasiocarpum Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5100 Los Angeles San Clemente Island, N Head, WNW of the new Landing field 15 Comment
  RSA534122  Lepidium lasiocarpum Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5085 Los Angeles San Clemente Island. Sand dunes of coastal terrace at West Cove, SW of the new landing field 6 Comment
  RSA187728  Lepidium nitidum R. F. Thorne 1966-4-7 35988 Los Angeles Santa Catalina Island. S of Parson Landing and SW of Arrow Point, W. end island. 61 Comment
  LA204444  Lepidium virginicum Marion Olsen; June 1926 sn Los Angeles near Arcadia Comment
  JEPS53771  Lepidium virginicum Frank W. Peirson 1921-3-3 2357 Los Angeles hills w Arroyo Seco; San Gabriel Mountians 426 Comment
  RSA65794  Lepidium virginicum var. pubescens F. W. Peirson 1919-3-1 674 Los Angeles Altadena. Comment
  UC30199  Leptodactylon californicum W. H. Brewer 1861-2-12 175 Los Angeles Cahuenga Pass Comment
  RSA595160  Leptosiphon androsaceus Steve Boyd 1996-4-25 8705 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 915 Comment
  UCSB5165  Leptosiphon aureus subsp. aureus Wedberg, H. 1958-4-13 Los Angeles 1/2 mile east of 165th St. on power line road; near Pearlblossom Comment
  SBBG131618  Leptosiphon bicolor S. A. Junak 1999-4-24 SCa 874 Los Angeles E of Empire Landing Rd 182 Comment
  RSA729935  Leptosiphon breviculus R. G. Swinney 1999-6-28 7435 Los Angeles East Fork of Puzzle Canyon Canyon. near old homesite at 2800 Deep Creek Cny. Rd. 1402 Comment
  RSA599902  Leptosiphon parviflorus L. C. Wheeler 1933-5-5 1691 Los Angeles San Gabriel Mountains: Fish Canyon. 274 Comment
  RSA0077370  Leptosyne bigelovii Orlando Mistretta, Christine Mistretta 2005-4-21 2069 Los Angeles San Gabriel Mountains region: Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station. 1341 Comment
  UCSB42430  Leptosyne bigelovii Greenquist, J. 1978-5-14 Los Angeles On Red Rover Mine Rd. 200 yds. from Ca. Hwy 14 near Palmdale 1219 Comment
  CATA682  Leptosyne gigantea Mark L. Hoefs 1991-4-26 1173 Los Angeles Santa Catalina Island: Bluff southeast of Pebbly Beach, between Edison power plant and City dump 88 Comment
  CAS-BOT-BC339291  Lessingia glandulifera var. glandulifera W. R. Dudley; F. H. Lamb 1896-6-4 4307 Los Angeles Lancaster Comment
  RSA747176  Lessingia glandulifera var. glandulifera Orlando Mistretta 1992-6-23 612 Los Angeles Transverse Ranges; San Gabriel Mountains region: Little Rock Creek. Comment
  SBBG63098  Lessingia glandulifera var. peirsonii R. Hoffmann 1928-7-9 Los Angeles Hughes Lake Comment
  UCD134067  Lessingia glandulifera var. peirsonii Steve Boyd; Laura Moore, Mike Wall 1997-7-24 10022 Los Angeles Liebre Mountains Region: Summit of Liebre Mountain, saddle between Richardson and Bear canyons, along Forest Service Road 7N23, 0.05 mile east of junction with road to Bear Gulch Camp (7N23A). Comment
  RSA729183  Lewisia rediviva R. G. Swinney 1998-7-14 6443 Los Angeles Pine Mountain Ridge; 0.2-0.3 mi. west of Camp Lupine trail. Broad ridge top montane coniferous forest. 2247 Comment
  RSA40487  Leymus cinereus W. R. Dudley, F. H. Lauch 1896-6-4 4304 Los Angeles Lancaster. Comment
  RSA0064054  Leymus triticoides R. G. Swinney 2010-6-8 13187 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  UCR170409  Lilium humboldtii Alex R. Van Dam 2004-5-16 54 Los Angeles Western Transverse Range; Santa Monica Mtns., Franklin Canyon Park near the corner of Franklin Canyon and Lake Drive 261 Comment
  UCR130589  Lilium humboldtii subsp. ocellatum R. E. Riefner Jr. 2000-8-29 00- 758 Los Angeles Western Transverse Range; Verdugo Mtns., La Tuna Canyon, Verdugo Mtns. Conservancy Park, second canyon at picnic stop along La Tuna Canyon Rd. 2.5 miles south of 210 Freeway exit 462 Comment
  RSA0072155  Limonium ramosissimum R. E. Riefner Jr. 2006-1-21 06 -8 Los Angeles City of Long Beach, Belmont Shores, Colorado Lagoon in vicinity of Park Ave. and Colorado St. 6 Comment
  UCR141731  Linanthus aureus L. C. Wheeler 1973-4-21 s.n. Los Angeles San Gabriel Mtns., East fork of Kentucky Springs Canyon 1280 Comment
  UC1537460  Linanthus aureus Gordon H. True Jr. 1935-3-28 190 Los Angeles sw of Littlerock 944 Comment
  UC1871140  Linanthus bigelovii T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4856 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  RSA679887  Linanthus concinnus LeRoy Gross, Valerie Soza 2003-6-10 1024 Los Angeles Mount Baldy Trail from Baldy Village to summit of Mount San Antonio., ca. 2.5 miles south of Mount San Antonio summit along trail. 2409 Comment
  UCR209442  Linanthus dianthiflorus R. G. Swinney 1969-4-27 384 Los Angeles San Gabriel Mtns., Glendora/Azusa boundary, foothills 0.6 mi. north of Sierra Madre Ave. above Yucca Ridge Ave 351 Comment
  POM364564  Linanthus dianthiflorus subsp. dianthiflorus Blanche Trask 1901-03 H.- 3017 Los Angeles Catalina Island. Comment
  UC1537476  Linanthus dichotomus Gordon H. True Jr. 1935-3-26 166 Los Angeles 4 mi nw Palmdale (near Belleview School) 731 Comment
  UCD118539  Linanthus dichotomus Steve Boyd; Orlando Mistretta 1986-3-31 1564 Los Angeles Mojave Desert: Highway 138, 4 miles E of junction with Highway 18 NE of Pinyon Hills. Comment
  SEINET4043537  Linanthus dichotomus O. M. Clark 1929-1 1915 Los Angeles West Lancaster, southern California. Comment
  RSA73039  Linanthus dichotomus subsp. pattersonii F. W. Peirson 1919-5-10 393 Los Angeles Arraster [Arrastre] Creek. North base of San Gabriel Mountains 915 Comment
  POM9144  Linanthus parryae W. R. Dudley 1896-6-8 4338 Los Angeles Kings Canon, [canyon] Liebre Mts. Comment
  RSA550031  Linanthus parryae W. Wisura, E. Roeder 1992-4-21 4693 Los Angeles Mountain Brook Ranch near Valyermo Comment
  RSA0016898  Linaria canadensis var. texana Emma Robinson 1884-4-8 s.n. Los Angeles Adams St., Los Angeles Comment
  POM6604  Lithophragma affine subsp. mixtum P. A. Munz, L. T. Street, G. Williams 1919-4-19 2497 Los Angeles Lone Hill, San Dimas. Comment
  RSA784233  Lithophragma heterophyllum J. D. Olmsted 1962-4-30 419 Los Angeles 1960 Johnstone Peak burn, from West Fork of San Dimas Creek to Wolfskill Falls 457 Comment
  SBBG109138  Lithophragma maximum S. A. Junak 1997-10-29 SCl 992 Los Angeles upper part of second cyn S of Camera Pad "Malo" 320 Comment
  SD132660  Lobelia dunnii var. serrata Victor Duran 1933-8-12 3548 Los Angeles San Gabriel Mountains, South Fork Big Rock Creek 1525 Comment
  RSA133800  Lobularia maritima P. H. Raven 1959-2-15 13784 Los Angeles Beverly Glen Canyon 2.6 miles north of Sunset Blvd. 213 Comment
  RSA656251  Lobularia maritima Yvonne Younger 1977-5-22 22 Los Angeles Verdugo Mountains: 934 Cresthaven Drive, Eagle Rock. 243 Comment
  UCSB2215  Lobularia maritima Jacobson, Alan 1959-3-27 Los Angeles 12 miles south of U.S. Hwy. 101 on Crenshaw Blvd. in Palos Verdes Comment
  UCR94700  Logfia depressa A. C. Sanders, E. J. Lott 1993-5-6 13982 Los Angeles Western Mojave Desert, SW edge of Rosamond Dry Lake, near east end of Ave 'C,' just west of Piute Ponds and east of Sierra Hwy, at edge of Edwards AFB 700 Comment
  CAS-BOT-BC342189  Logfia filaginoides Timothy S. Ross 1992-4-21 6233 Los Angeles San Gabriel Mountains. W and SW of Horse Canyon Saddle; along an old roadcut (ultimately joining Lower Monroe Road) that marks the NW boundary of the San Dimas Experimental forest 1072 Comment
  SBBG89710  Logfia filaginoides M. B. Dunkle 1939-4-6 7312 Los Angeles Mosquito Harbor Comment
  UCD66004  Lolium multiflorum B. Pitzer 1996-5-5 2863 .1 Los Angeles Palos Verdes Peninsula: Palos Verdes Hills, San Pedro Navel Fuel Depot, at San Pedro Hill. 409 Comment
  RSA86711  Lolium temulentum F. W. Peirson 1918-4-28 1607 Los Angeles Road east and south of El Monte. Comment
  UC1109375  Lolium temulentum Peter H. Raven 1962-4-11 17293 Los Angeles along roadside near airfield at n end San Clemente Island; n end San Clemente Island 30 Comment
  SEINET8465376 Image available Lomatium dasycarpum Steve Boyd, Lauren Raz, Timothy S. Ross 1997-4-1 9467 Los Angeles San Gabriel Mtns.; Liebre Mountains, upper watershed of Osito Cyn between Hwy I-5 & the Old Ridge Route, vic. of 'Osito Flat,' a distinctive, open grassy break in slope under the high tension power lines. 793 Comment
  UCR176989  Lomatium dasycarpum Lee Jones 2005-5-11 s.n. Los Angeles Transverse Ranges; Liebre Mtns/W San Gabriel Mtns, Ridge above Mint Canyon (town) 549 Comment
  RSA452134  Lomatium lucidum Donald R. Bissing 1973-6-2 166 Los Angeles Evey Canyon; in open grassy area beside road 0.3 miles from canyon mouth; 720 Comment
  UC1605195  Lomatium lucidum Tim Ross and Walter Appleby 1993-5-19 7174 Los Angeles long s.-s.e.-trending ridge s. Wilson Canyon Saddle (e. side of ridge); w. San Gabriel Mts., San Fernando Quad. 947 Comment
  UCR280768  Lomatium lucidum R. G. Swinney 2014-5-19 16564 Los Angeles San Gabriel Mountains, Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Motorway 515 Comment
  UCD127801  Lomatium utriculatum Antonio F. Machado; Lisa Seemann 1993-4-28 7 b Los Angeles Santa Clarita Valley, near intersection of Sandrock and Ranchclub Drs. 1100 Comment
  CAS-BOT-BC240749  Lonicera interrupta Timothy S. Ross; Steve Boyd 1990-6-1 2779 Los Angeles San Gabriel Mountains. Magnetic Springs: in Moody Canyon (ca 2.15 air-miles NW of Mt Gleason) 1194 Comment
  UC729547  Lonicera interrupta Carl B. Wolf 1932-9-15 4079 Los Angeles 9 1/2 mi above Saugus (opposite Glenwood's Cafe on Highway); Mint Canyon 457 Comment
  UCR174641  Lonicera subspicata Jennifer H. Jones, Jay H. Jones 2006-6-4 377 Los Angeles Transverse Ranges; Foothills of San Gabriel Mtns., Webb Canyon Road 457 Comment
  RSA455366  Lonicera subspicata var. denudata E. S. Spalding 1923-5-23 s.n. Los Angeles Santa Monica Mountains, Laurel Canyon. Comment
  UC1125306  Lonicera subspicata var. denudata A. D. Gifford 1935-4-19 552 Los Angeles 6 1/2 mi nne Redrock Mtn.; Tejon Quadrangle Comment
  CAS-BOT-BC198540  Lotus Elizabeth McClintock 1965-7-2 s.n. Los Angeles Table Mountain, above Wrightwood, San Gabriel Mountains 2133 Comment
  RSA535695  Lotus argophyllus subsp. ornithopus T. S. Ross 1991-5-22 5454 Los Angeles San Clemente Island: Spray (Point), W side of island about 5300 feet N of Eel Point. 9 Comment
  UC75502  Lotus argophyllus var. argophyllus unknown Jun 1904 Los Angeles near Cahuenga Pass Comment
  CDA27205  Lotus grandiflorus W. E. Henson 1929-6-9 Los Angeles Ridge Route. 0 Comment
  RSA584627  Lotus grandiflorus var. grandiflorus T. S. Ross, Janet Takara, Stacey Otte 1993-4-24 6955 Los Angeles Santa Catalina Island, near upper Buffalo Corral Reservoir. 221 Comment
  RSA90294  Lotus grandiflorus var. grandiflorus Joseph A. Ewan 1931-3-21 4066 Los Angeles 1/2 mile below summit Saddle Peak, Santa Monica Mountains 610 Comment
  POM243726  Lotus hamatus F. R. Fosberg 1931-3-27 S- 4406 Los Angeles Santa Catalina Island. Hamilton Canyon, near Avalon. 120 Comment
  RSA406447  Lotus heermannii Louis Greata 1900-11 s.n. Los Angeles Arroyo Seco, Pasadena Comment
  UC397212  Lotus heermannii I. Johnston Los Angeles El Monte 121 Comment
  UC1870244  Lotus micranthus LeRoy Gross, Naomi Fraga 2002-5-16 542 Los Angeles Transverse Ranges; San Gabriel Mountains: (Angeles National Forest road survey of 2002) Van Tassel road a short distance southeast of White Saddle 976 Comment
  UCR223450  Lotus nevadensis R. G. Swinney 2009-6-3 11038 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
  UCR117622  Lotus nevadensis var. davidsonii Scott D. White 1997-5-8 5086 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Canyon: north of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir 427 Comment
  RSA594635  Lotus oblongifolius var. oblongifolius Steve Boyd, Lauren Raz 1996-10-29 9120 Los Angeles Liebre Mountains region, along 7N19, the road to Atmore Meadows area at the southeastern end of Liebre Mountain in a tributary drainage to the North Fork Fish Canyon. 1463 Comment
  UC1129076  Lotus procumbens var. procumbens A. D. Gifford 1935-5-10 207 Los Angeles 2 1/3 mi s of Neenach 1005 Comment
  UCR94479  Lotus procumbens var. procumbens Orlando Mistretta 1992-5-4 233 Los Angeles San Gabriel Mtns., San Gabriel Mountains, Little Rock Creek, Alimony Ridge 1463 Comment
  UC200758  Lotus salsuginosus Katharine Brandegee Los Angeles Santa Catalina Island Comment
  UC457253  Lotus salsuginosus Carl Epling 1931-4-18 Los Angeles Los Alisos Canyon Santa Monica Mountains Comment
  POM247968  Lotus salsuginosus F. R. Fosberg 1931-4-3 S- 4464 Los Angeles Pebble Beach Road, Santa Catalina Island. 5 Comment
  POM82719  Lotus salsuginosus var. salsuginosus P. A. Munz 1925-4-23 9446 Los Angeles San Gabriel Canyon. 488 Comment
  RSA225755  Lotus salsuginosus var. salsuginosus R. F. Thorne 1971-5-22 39717 Los Angeles San Gabriel Mountains: Near mouth of Fish Canyon. 244 Comment
  RSA406820  Lotus salsuginosus var. salsuginosus Anstruther Davidson 1890-04 s.n. Los Angeles Los Angeles. Comment
  UC866485  Lotus scoparius I. Johnston 1917-6-10 1333 Los Angeles Playa del Rey Comment
  NY15752  Lotus scoparius var. brevialatus A. M. Ottley 1920-5-3 589 Los Angeles Side of Litte Tujunga Wash. 335.3 Comment
  RSA714686  Lotus scoparius var. scoparius A. C. Sanders, Mark A. Elvin 2003-6-18 26953 Los Angeles Western Transverse Range: around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon. 1037 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
  UCR155666  Lotus scoparius var. scoparius A. C. Sanders, Helen Kennedy 2005-4-13 29459 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCR259639  Lotus scoparius var. scoparius R. G. Swinney 2010-5-7 12600 Los Angeles San Gabriel Mountains, Lake View Terrace, Oliver Canyon mouth, west of debris basin, 0.35 air miles north of I-210 Fwy, NW side of jct. of 'BP and L Rd' and Jimenez St./Dominica Ave. 378 Comment
  RSA515131  Lotus strigosus Aaron Liston 1989-4-28 795 -9 Los Angeles San Clemente Island, China Canyon, central branch, S end of island. Comment
  RSA586444  Lotus strigosus Orlando Mistretta 1995-2-28 1515 Los Angeles Carr Canyon 1012 Comment
  RSA682512  Lotus strigosus Scott D. White, Michael Honer 2003-5-7 9204 Los Angeles Liebre Mountains: Tapia Canyon, about 2 air miles east of Interstate 5 junction at Old Ridge Route. 427 Comment
  UCR155119  Lotus strigosus A. C. Sanders 2005-5-5 29921 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, hills at SW end of Cruzan Mesa at Bench Mark 'Plum 701 Comment
  RSA90386  Lotus strigosus F. W. Peirson 1918-5-26 322 Los Angeles Hennigers Flat, Mt. Wilson Toll Road 854 Comment
  RSA0103918  Lotus unifoliolatus var. unifoliolatus R. G. Swinney 2011-10-10 15759 Los Angeles San Gabriel Mountains: east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1537 Comment
  RSA303934  Ludwigia peploides subsp. peploides Jim R. Shevock 1970-9-18 488 Los Angeles Malibu Creek. 152 Comment
  SEINET10969889  Lupinus albifrons David B. Dunn 1957-4-2 Dunn s.n. Los Angeles Plants 3 years old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by d.b.dunn. Rsa# 6450 x 8292(5) Comment
  JEPS64999  Lupinus bicolor Frank W. Peirson 1919-5-10 413 Los Angeles Arraster Canyon San Gabriel Mts., Arraster Canyon 838 Comment
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Aug 21 2014
  SEINET13383412 Image available Lupinus bicolor R. G. Swinney 2010-1 13085 Los Angeles San Gabriel Mountains: Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1073 Comment
  SEINET10484888  Lupinus bicolor subsp. microphyllus David B. Dunn 1946-4-20 Dunn 2149 Los Angeles Station 65, west margin of Mohave Desert. Comment
  SBBG127522  Lupinus concinnus M. L. Hoefs, S. A. Junak, K. Kirkland 1998-4-5 2851 Los Angeles upper end of rd to Toyon Beach 381 Comment
  UC865113  Lupinus concinnus F. R. Fosberg 1931-3-27 S 4413 Los Angeles n wall Hamilton Canyon, Santa Catalina Island (Santa Catalina Island); , Hamilton Canyon 120 Comment
  CAS-BOT-BC205154  Lupinus elatus Wesley O. Griesel 1962-6-27 s.n. Los Angeles State Hwy. 2 between Islip Saddle & Dawson Saddle, San Gabriel Mountains 2133 Comment
  RSA0098835  Lupinus elatus R. G. Swinney 2011-8-5 15589 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
  POM2614  Lupinus excubitus var. austromontanus I. M. Johnston 1918-7-6 2078 Los Angeles Prairie fork of San Gabriel River 2073 Comment
  RSA0016875  Lupinus excubitus var. hallii Lyman Benson 1945-6-5 11753 Los Angeles Cold Spring [Forked Spruce Spring], 2.5 miles NW [SW] of Camp Baldy on the Glendora Road. Mt. Range: San Gabriel; Drainage Area: Pacific Slope. 1372 Comment
  SEINET10907092  Lupinus excubitus var. hallii David B. Dunn 1956-1 Dunn RSA# 8292 x 6456(3) Los Angeles Plants 2 yrs. Old. Grown in field planting at racho santa ana botanical Garden. Hybridizations by david b. Dunn. The numbers are the field plant Numbers of rsa. 1St # is female parent x 2nd # male parent. () Parenthetic # Is mf plant no. Seeds from open field pollen. Comment
  LA205106  Lupinus excubitus var. johnstonii J. A. Ewan; 1932-5-29 7184 Los Angeles San Gabriel Mountains, summit Mount Gleason 1828 Comment
  SBBG3604  Lupinus formosus R. Hoffmann 1925-5-17 Los Angeles Antelope Valley Comment
  UCSB33677  Lupinus formosus Los Angeles Charleton Flats; San Gabriel Mtns. 1524 Comment
  UC1293708  Lupinus formosus var. robustus P. C. Everett and E. K. Balls 1959-5-22 23800 Los Angeles 1/2 to 1 mi se Fairmount ((San Andreas Rift), Antelope Valley); Antelope Valley 853 Comment
  UCR99524  Lupinus formosus var. robustus Steve Boyd, Lauren Raz 1997-3-26 9351 Los Angeles San Gabriel Mtns., Liebre Mountains region, northern base of Portal Ridge at mouth of Myrick Canyon, S edge of the Antelope Valley, south of Fairmont Reservoir. 1000 Comment
  CATA2304  Lupinus guadalupensis Howard L. Ferguson 1980-4-3 106 Los Angeles San Clemente Island: Just N of Eel Pt. on Westhore Rd. 15 Comment
  RSA413676  Lupinus hirsutissimus Reid V. Moran 1941-2-25 614 Los Angeles Johnson's Valley, Santa Catalina Island 250 Comment
  RSA413682  Lupinus hirsutissimus T. S. Clare 1929-3-3 s.n. Los Angeles Topango [Topanga] Canyon. Comment
  SBBG133411  Lupinus hirsutissimus S. A. Junak, J. Lambert 2005-3-1 Los Angeles N of Mosquito Cove Cyn 358 Comment
  HSC12459  Lupinus longifolius Wendell Wood 1970-6-24 39 Los Angeles Angeles Crest Hwy., 6 mi. beyond intersection of Foothill Blvd. 762 Comment
  UCSB3311  Lupinus longifolius Haller, John 1950-4-16 Los Angeles 3 miles north of Saugus Comment
  RSA750112  Lupinus microcarpus R. G. Swinney 2008-5-5 8764 Los Angeles Big Rock Creek at Paradise Springs 1427 Comment
  UCR125488  Lupinus microcarpus A. C. Sanders, Mark Elvin 2003-4-14 25971 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  RSA252912  Lupinus microcarpus var. microcarpus R. F. Thorne 1973-5-11 43501 Los Angeles San Gabriel Mountains: near mouth of Big Rock Creek Canyon 1204 Comment
  RSA0062874  Lupinus paynei Daisie Huang 2008-4-1 08040104 Los Angeles Grimes Cyn Rd (Hwy 23), winding section. 101 Comment
  RSA680130  Lupinus peirsonii LeRoy Gross, Michael Denslow 2003-6-4 998 Los Angeles Southeast of Dawson Saddle, north side of Angeles Crest Highway (Hwy. 2). 2439 Comment
  UC1215273  Lupinus peirsonii Wesley O. Griesel 1962-6-27 Los Angeles Dawson Saddle; San Gabriel Mtns 2438 Comment
  SFV1912  Lupinus sparsiflorus M. L. Vincent 1962-5-7 237 Los Angeles San Gabriel Mountains On highway, 1 mile east of Valyermo. 1190 Comment
  UCR261332  Lupinus sparsiflorus R. G. Swinney 2010-3-24 12175 Los Angeles San Gabriel Mountains, Pacoima area, Lopez Canyon, 1.7 miles west of Kagel Canyon on Lopez Cyn. Rd., to 300 meters east of road on E-W running ridge 503 Comment
  LA52450  Lupinus sparsiflorus subsp. sparsiflorus Peter H. Raven; Henry J. Thompson 1960-5-29 15453 Los Angeles 822 Comment
  RSA571540  Lupinus sparsiflorus subsp. sparsiflorus Steve Boyd 1994-4-29 8305 Los Angeles Side draw on northeastern side of Mt. Emma, Santiago Canyon drainage. 1158 Comment
  RSA545257  Lupinus succulentus D. Propst, Mark Hoefs 1973-3-3 9 Los Angeles Santa Catalina Island: Airport road above Whites landing channel slope 335 Comment
  RSA702970  Lupinus succulentus Scott D. White, Pam De Vries 2004-5-18 10408 Los Angeles Eastern Santa Susana Mtns. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  SD185225  Lupinus succulentus A. C. Sanders, Helen Kennedy 2005-4-13 29466 Los Angeles Liebre Mountains Region: Santa Clarita area, nameless canyon off end of Nadal St. 456 Comment
  SEINET3145146  Lupinus truncatus E. K. Balls, LW Lenz 1950-3-28 14452 Los Angeles 12 mi S of Castaic, Hwy 99 335 Comment
  SEINET3162273  Lycium brevipes var. hassei G. B. Grant, W. Wheeler 1904-1 739 a/6151 Los Angeles on Santa Catalina Island, Pacific Ocean, off southern California Comment
  SBBG20560  Lycium californicum E. R. Blakley 1963-12-8 6401 Los Angeles mouth of Horse Beach Cyn, which is first cyn E of China Pt 7 Comment
  SEINET10697081  Lycium carolinianum Heidi H. Schmidt 1999-10-14 Schmidt 3876 Los Angeles City of San Gabriel. Hawaii Supermarket: 120 East Valley Boulevard: San Gabriel, CA: 91776: (626) 307-0062 - phone. 110 Comment
  LA209685  Lycium cooperi J. Sauer; T. Brothers 1979-5-6 6077 Los Angeles Antelope Valley, Fort Tejon Rd near Juniper Hills Comment
  RSA587220  Lycium cooperi Orlando Mistretta 1995-5-2 1671 B Los Angeles San Gabriel Mountains: Carr Canyon. 1052 Comment
  SBBG33278  Lycium cooperi D. Myrick 1969-4-21 2071 Los Angeles Antelope Valley just E of Palmdale along Hwy 14 822 Comment
  UC26131  Lycium cooperi Dr. A. Davidson May 1895 Los Angeles Lancaster 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
  SD66848  Lyonothamnus floribundus subsp. aspleniifolius R. Mitchel Beauchamp 1967-6-3 560 Los Angeles Grove of a few trees on south side of canyon south of Thirst, San Clemente Island 487 Comment
  SBBG128562  Lythrum hyssopifolia M. L. Hoefs, S. A. Junak, J. Takara, M. Gay 1995-7-14 2401 Los Angeles lower Cape Cyn, just up from Middle Cyn 213 Comment
  UC1929999  Madia Mark Elvin, Orlando Mistretta 1996-3-24 129 A Los Angeles Channel Islands; San Clemente Island: Eagle Canyon. Comment
  SD53071  Madia exigua Peter H. Raven 1962-5-21 17812 Los Angeles Santa Catalina Island, lower end of Bullrush Canyon 199 Comment
  NY24351  Mahonia nevinii A. Eastwood 1913-5-11 3143 Los Angeles San Fernando Wash Comment
  CAS-BOT-BC230899  Malacothamnus davidsonii Le Roy Abrams; E. A. McGregor 1908-7-2 576 Los Angeles Rock Creek, desert slopes of the San Gabriel Mountains 1371 Comment
  RSA3153  Malacothamnus davidsonii Carl B. Wolf 1931-7-30 2296 Los Angeles 0.5 miles east of San Fernando 305 Comment
  RSA305914  Malacothamnus fasciculatus Fay A. MacFadden 1931-5-28 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  RSA596270  Malacothamnus fasciculatus R. G. Swinney 1989-4-25 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. Disturbed area on Big Dalton Canyon Road, 0.9 mi. E of Glendora Mtn. Rd. 427 Comment
  UC1595224  Malacothamnus fasciculatus var. fasciculatus Tim Ross, Annette H. Ross 1991-7-29 5682 Los Angeles N-most point of the Puente Hills Puente Hills, Elephant Hill 228 Comment
  RSA599340  Malacothrix californica Steve Boyd, Lauren Raz 1997-3-26 9369 Los Angeles Liebre Mountains region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 976 Comment
  UCR18012  Malacothrix californica A. C. Sanders 1976-5-9 00152 Los Angeles Mojave Desert, Hwy 138 at the W end of the Antelope Valley 976 Comment
  RSA660119  Malacothrix clevelandii Orlando Mistretta 1992-6-12 561 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  RSA233406  Malacothrix foliosa R. F. Thorne 1966-4-15 36009 Los Angeles San Clemente Island, rocky sea-bluff 1/2 mile SSE of Eel Point, SW side of island 3 Comment
  SBBG101143  Malacothrix foliosa subsp. foliosa T. Ross 1992-4-14 6175 Los Angeles coastal E side of island on escarpment, ca. 20 m S of where Nanny Cyn drainage meets the sea 18 Comment
  RSA710540  Malacothrix glabrata LeRoy Gross 2005-5-3 2186 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  RSA176245  Malacothrix glabrata R. F. Thorne 1963-5-15 31675 Los Angeles San Gabriel Mountains region: 1 mile W of Los Angeles Co. line on Route 138, ca. 2 miles W of Desert Springs. 1220 Comment
  RSA783422  Malacothrix glabrata J. D. Olmsted 1959-5-6 564 Los Angeles 4 miles west of Camp Baldy along Glendora Mountain Road, San Gabriel Mts. Comment
  RSA657331A  Malacothrix saxatilis var. tenuifolia Darron David 1992-5-15 21 Los Angeles Hacinda Heights, 3 miles south of the intersection of Colima road and Haliburton road. Comment
  UC1211142  Malacothrix saxatilis var. tenuifolia Huron H. Smith 1912-5-30 5036 Los Angeles beachroad near Avalon; Santa Catalina Island Comment
  CAS-BOT-BC167861  Malosma laurina June Giddings 1924-8-1 s.n. Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC170388  Malosma laurina Alice Eastwood 1917-7-20 6484 Los Angeles Santa Catalina Island Comment
  RSA602465  Malosma laurina Scott D. White 1997-5-15 5152 Los Angeles Big Tujunga Wash: Sunland-Tujunga area;alluvial fan below San Gabriel Mountains SW of I -210 freeway, E of Hansen Dam, and N of Wentworth St. 335 Comment
  UC174045  Malosma laurina G. B. Grant 1901-6-25 4458 Los Angeles Sturdevant's Camp Trail Comment
  SDSU19654  Malva assurgentiflora Michael G. Simpson, Adrienne Russell & Jonathan Dunn 2000-7-21 2212 Los Angeles Courage Street, across from the Galley, San Clemente Island. 116 Comment
  RSA652803  Malva parviflora S. Koukol, E. Lutz 1998-4-26 20 Los Angeles Claremont, along E side of Indian Hill Blvd., 50 m S of Baseline Road. 424 Comment
  RSA434891  Malva parviflora F. R. Fosberg 1930-6-30 S- 3071 Los Angeles Del Rey. 2 Comment
  SFV15660  Malva sylvestris A. G. Hile 1992-5-10 1 Los Angeles Santa Monica Mountains Malibu, Charmlee Park. Near entrance. 400 Comment
  LA210297  Malvella leprosa A. M. Johnson; 1934-4-3 4392 Los Angeles Del Rey Hills Comment
  POM158130  Malvella leprosa L. R. Abrams 1902-8-16 2959 Los Angeles Mesmer Comment
  SEINET10634896  Mangifera indica Mary Merello, Heidi H. Schmidt 1999-12-6 Merello 2631 Los Angeles City of Pasadena. Wild Oats Market, 603 S. Lake. Comment
  HSC84056  Marah macrocarpa David Charlton 1987-1-31 631 Los Angeles Saddle Peak, Santa Monica Mtns. Steep E-facing hillside beside road 610 Comment
  LA200409  Marah macrocarpa C. L. Hogue; 1954-3-13 sn Los Angeles Santa Monica Mountains, near Seminole Hot Springs 335 Comment
  OBI28057  Marah macrocarpa David J. Keil, Dirk Walters 1977-4-30 12281 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
  POM255461  Marah macrocarpa P. A. Munz 1940-4-29 16576 Los Angeles San Antonio Wash, northeast of Claremont. 518 Comment
  RSA498131  Marah macrocarpa Edwin Kline 1925-2-15 s.n. Los Angeles Mulholland Estate, Santa Monica Mountains. 549 Comment
  UC1005134  Marah macrocarpa J. D. Laudermilk 1940-4-24 Los Angeles near Baseline Road (Indian Hill Blvd.); Claremont Comment
  RSA654074  Marah macrocarpa var. macrocarpa Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 737 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
  RSA562341  Marah macrocarpa var. macrocarpa D. Charlton 1989-4-30 3021 Los Angeles Kentucky Sprngs, Sierra Highway-Angeles Crest Hwy, approximately 1 mile north of the northern boundary of the Angeles National Forest 1036 Comment
  RSA440969  Marah macrocarpa var. major Blanche Trask 1900-03 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  SD47443  Marah macrocarpa var. major Ira L. Wiggins 1949-2-21 11955 Los Angeles San Clemente Island, Wilson's Cove Comment
  HSC99260  Marrubium vulgare C. S. Apperson 1967-6-26 Los Angeles Newhall Ranger Station Comment
  UCR256845  Marrubium vulgare R. G. Swinney 2010-8-16 13557 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  RSA529144  Marrubium vulgare Tim S. Ross 1991-4-8 4480 Los Angeles Elephant Hill: western Pomona. 229 Comment
  UCR265518  Matricaria discoidea Dan S. Cooper 2015-4-3 315- 16 Los Angeles Los Angeles Basin/Western Transverse Range, Griffith Park, Oak Canyon, above Travel Town, Los Angeles 180 Comment
  UCR230897  Matricaria matricarioides Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-20 8019 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, 70 m west of Sierra Highway and 420 m north of Avenue F 702 Comment
  UC73224  Medicago polymorpha Miss E. D. Palmer November, 1904 Los Angeles Vicinity of Los Angeles Comment
  RSA597233  Melaleuca armillaris Scott D. White 1995-4-27 2942 Los Angeles City of Malibu. Upslope from Winter Canyon, near Pepperdine University; N of Pacific Coast Highway, E of Malibu Canyon. Road, SW of Malibu Civic Center Way. 91 Comment
  CAS-BOT-BC281514  Melica imperfecta John H. Thomas 1957-5-25 6775 Los Angeles San Gabriel Mts. Western side of Santa Anita Canyon about 7 miles NNE of Pasadena 609 Comment
  RSA191171  Melica imperfecta R. F. Thorne, M. Z. Thorne 1967-7-19 37169 Los Angeles San Gabriel Mts., Angeles National Forest: Big Cienega Springs above Crystal Lake Recreation Area. 1982 Comment
Read comments
Nov 5 2014
  RSA577551  Melica imperfecta L. C. Wheeler 1933-7-4 1896 Los Angeles San Dimas Canyon, San Gabriel Mountains. 534 Comment
  RSA587517  Melica imperfecta Orlando Mistretta 1995-4-5 1593 Los Angeles San Gabriel Mountains: Drainage W of Little Rock Creek reservoir 1006 Comment
  RSA656165  Melica imperfecta Joseph M. Keefe 1977-6-11 22154 Los Angeles Verdugo Mountains; Glendale. South fork of Engleheard Canyon, one Km south of Camp Max Straus. 427 Comment
  RSA660811  Melica imperfecta Gerald Braden, Lori Ackerman 1988-5-19 21 Los Angeles Strawberry Peak. Comment
  SJSU12980  Melica imperfecta C. W. Sharsmith 1941-6-22 4398 Los Angeles Eaton Canyon San Gabriel Mts 548 Comment
  RSA226?71  Melica imperfecta R. F. Thorne 1971-6-17 39925 Los Angeles 1.3 miles below Bear Divide Station junction, along Little Tujunga Canyon Rd. 671 Comment
  UCR190009  Melilotus albus R. G. Swinney 1998-8-1 6611 Los Angeles San Gabriel Mtns., Mine Gulch at East Fork of San Gabriel River Canyon 1372 Comment
  UCR210336  Melilotus albus R. G. Swinney 2008-10-16 9587 Los Angeles San Gabriel Mtns., Jackson Lake, south side of Big Pines Highway 1872 Comment
  OBI35610  Melilotus indicus Rebecca Cicoria 1981-4-23 17 Los Angeles In upper end of Altamira Cyn, Rolling Hills Comment
  SBBG31044  Mentha R. F. Thorne 1966-4-29 36299 Los Angeles upper Middle Ranch Cyn just below small reservoir 274 Comment
  UCR192827  Mentzelia R. G. Swinney 1998-7-8 6300 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  UCR193440  Mentzelia R. G. Swinney 1999-6-5 7254 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 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
  RSA0110208  Mentzelia congesta Richard G. Swinney 2011-5-16 14753 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 1.18 mi at 73 degrees SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19 in upper Big Tujunga Cyn., c. 150m north of lodge on a SW-facing slope, E of the swimming pool. 1220 Comment
  POM188391  Mentzelia jonesii P. A. Munz, T. Craig 1933-5-13 12934 Los Angeles 12 miles south of Munroc. Comment
  LA91514  Mentzelia micrantha Bruce Douglas Clayton; Greg Shaw 1972-5-11 114 Los Angeles Santa Monica Mountains, Temescal Canyon, Mountain Park Research Campus, Half way along trail on S slope of castle 548 Comment
  UC1279994  Mentzelia micrantha Peter H. Raven, H. L. Wedberg 1957-6-15 10906 Los Angeles 8 mi n U.S. 101A; Santa Monica Mountains, Latigo Canyon Comment
  UCR104149  Mentzelia micrantha Scott D. White 1997-5-21 5213 Los Angeles San Gabriel Mtns., San Gabriel River Canyon: north of Azusa, slope above Hwy 39, above San Gabriel Reservoir 488 Comment
  CAS-BOT-BC167623  Mentzelia veatchiana Alice Eastwood; John Thomas Howell 1937-4-26 3967 Los Angeles Near Palmdale Comment
  RSA282440  Mentzelia veatchiana H. J. Thompson 1954-4-22 1608 Los Angeles 2 miles southeast of Gorman along US Highway 99. 1159 Comment
  RSA446887  Mentzelia veatchiana Gale Sphon 1959-5-10 339 Los Angeles 1.7 miles north-east of Soledad Canyon turnoff on Highway 6, Mint Canyon. Comment
  UC1713562  Mesembryanthemum nodiflorum L. R. Abrams and I. L. Wiggins 1931-7-6 367 Los Angeles vicinity of Mosquito Harbor (San Clemente Island); San Clemente Island Comment
  CAS-BOT-BC348919  Microseris douglasii subsp. douglasii Kenton L. Chambers 1954-4-26 497 Los Angeles Ventura Blvd., (Hwy. 101), Russell Valley, ca. 3 mi. e. of Thousand Oaks Comment
  RSA0091872  Microseris douglasii subsp. platycarpha Steven A. Junak 2001-5-18 SCa- 1545 Los Angeles Santa Catalina Island. Cottonwood Canyon, along Cottonwood-Blackjack Road, ca. 1.6 miles WSW of Blackjack Peak. Comment
  UCR282037  Microseris lindleyi R. G. Swinney 2014-4-30 16248 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
  SBBG58244  Microsteris gracilis R. Hoffmann 1929-4-28 Los Angeles Harold Comment
  SEINET12155343  Mimosa N. F. Wright 1908-1 2343 Los Angeles Los Angeles, Elysian Park Comment
  RSA660468  Mimulus aurantiacus Mary C. Hunter 1994-5-28 30 Los Angeles Off Angeles Crest Hwy, West of highway heading North; Road marked 2931; Pasadena 61 Comment
  SFV20881  Mimulus aurantiacus L. Gross, N. Fraga, B. Hogshead, A. Virgen 2003-6-19 1078 Los Angeles Verdugo Mountains North side of Verdugo Mountains south of Hostetter Motorway (on the Thomas Guide) just off La Tuna Canyon Road, south or and you can see the 210 Freeway. 556 Comment
  UCR125923  Mimulus aurantiacus A. C. Sanders, Mark Elvin 2002-6-19 25177 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, head of 'Adobe Cyn.' and pass into 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  HSC20648  Mimulus aurantiacus var. pubescens C. S. Apperson 1967-6-15 Los Angeles 1.0 mi. down Canton Canyon Trail from the Townsend Park Rd. Comment
  HSC82923  Mimulus aurantiacus var. pubescens W. A. Whistler 1965-4-13 Los Angeles On Malibu Canyon Rd. about 1 mi. N of intersection with Pacific Coast Hwy., in Malibu 244 Comment
  IRVC29102  Mimulus aurantiacus var. pubescens A. C. Sanders 2003-6-20 26998 Los Angeles "Off-haul Canyon" between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and ca. 1 km NNW of Mayo Spur, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 305 Comment
  RSA0119758  Mimulus aurantiacus var. pubescens R. G. Swinney 2014-5-21 16633 Los Angeles San Gabriel Mountains; Glendora, along ridgetop and n. side of ridge, due south of the w. fork of Harrow Cyn., n. of the terminus of Glendora Ave., along historic and un-used Whitcomb Trail, trail abandoned in early 1970's. 549 Comment
  UC450893  Mimulus aurantiacus var. pubescens Fay A. MacFadden 1931-4-9 51 E Los Angeles Tuna Canyon Verdugo Hills Comment
  UCR174916  Mimulus aurantiacus var. pubescens Holly Summers 2006-6-4 41 Los Angeles San Gabriel Mountains, 2 miles north of Foothill Blvd. on Angeles Crest Highway (Hwy 2), near Brown Canyon 701 Comment
  RSA442689  Mimulus aurantiacus var. puniceus F. R. Fosberg 1931-4-23 S- 4682 Los Angeles Upper Middle Ranch Canyon, Santa Catalina Island. 220 Comment
  UCR216686  Mimulus aurantiacus var. puniceus Dan S. Cooper 2010-4-19 410- 50 A Los Angeles Western Transverse Range; eastern Santa Monica Mtns., trail between Mt. Hollywood and the observatory, Griffith Park 410 Comment
  UCR121223  Mimulus bigelovii June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, 263rd St. south of Calif. Hwy 18 in Antelope Valley, along San Bernardino Co. line, NNW of Pinon Hills 1100 Comment
  UC1922227  Mimulus brevipes Valerie L. Soza, Laura Moore 2000-5-10 855 Los Angeles Transverse Ranges; Verdugo Mountains region; 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''. Near 34deg 14' 28.7'' N 118deg 17' 59.5'' W T2N R14W NE/4, SW/4 & NW/4, Comment
  UC934016  Mimulus brevipes H. L. Cogswell 1951-6-8 112 Los Angeles w side Bell Canyon (Watershed 4, (Secs. F 7-8, Plot 5)); San Gabriel Mountains 853 Comment
  UCR200170  Mimulus brevipes Valerie Soza, Laura A. Moore 2000-5-10 855 Los Angeles Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive from fire gate to powerlines to peak ''1936' 579 Comment
  RSA101700  Mimulus cardinalis J. F. McBroom 1941-7-25 s.n. Los Angeles Angeles Crest Highway. Comment
  RSA420678  Mimulus cardinalis R. S. Woglum 1935-04 1285 Los Angeles San Gabriel Canyon. Comment
  UC586848  Mimulus cardinalis Joseph Andorfer Ewan 1934-8-2 8482 Los Angeles at foot Baldy Trail; San Gabriel Mts., San Antonio Canyon 1371 Comment
  UCR277044  Mimulus floribundus R. G. Swinney 2010-5-25 12944 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA252927  Mimulus fremontii var. fremontii Robert F. Thorne, C. W. Tilforth 1973-4-20 43042 Los Angeles San Gabriel Mts., Mojave Desert slopes: 3.2 miles S of Hwy 138 along Grandview Canyon Rd. 1280 Comment
  JEPS11538  Mimulus guttatus Frank W. Peirson 1918-6-1 198 Los Angeles Eaton Canyon San Gabriel Mountains 640 Comment
  RSA579500  Mimulus guttatus Tim S. Ross, S. D. Boyd 1994-5-10 7738 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
  UCR227773  Mimulus guttatus R. F. Thorne 1966-4-29 36300 Los Angeles Channel Islands, Santa Catalina Island, upper Middle Ranch Canyon just below small reservoir 274 Comment
  RSA649006  Mimulus guttatus Scott Lowe 1991-5-7 15 Los Angeles San Gabriel River channel, beneath the San Gabriel River Parkway bridge, city of Pico Rivera. Comment
  RSA624039  Mimulus johnstonii Arthur R. Kruckeberg 1940-7-7 976 Los Angeles Chilao Flats Comment
  RSA0106861  Mimulus moschatus R. G. Swinney 2011-7-29 15572 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  RSA9770  Mimulus palmeri R. M. Straw 1954-6-16 626 Los Angeles Horse Flats Road, off Angeles Crest Hwy. Angeles National Forest. Comment
  RSA286778  Mimulus suksdorfii Robert F. Thorne, Larry E. DeBuhr 1974-6-28 44749 Los Angeles Angeles National Forest: Lily Springs area on N slope of Mt. Hawkins, drainage of S Fork Big rock Creek. 2439 Comment
  RSA0077095  Mirabilis laevis R. G. Swinney 2010-4-15 12226 Los Angeles Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  RSA0087330  Mirabilis laevis R. G. Swinney 2010-3-13 11875 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  SEINET3860287  Mirabilis laevis R. G. Swinney 2009-3-19 10142 Los Angeles San Gabriel Mtns. Foothills: Azusa, 0.7 mi. north of Sierra Madre Ave. on north side of San Gabriel River channel, ca 100 m north of Hwy 39.; 0 230 Comment
  CAS-BOT-BC434631  Mirabilis laevis var. crassifolia John H. Thomas 1957-4-27 6704 Los Angeles Santa Monica Mountains. Coastal hills, west side of mouth of Latigo Canyon, about 3 miles northwest of Pt. Dume. 152 Comment
  CATA1672  Mirabilis laevis var. crassifolia Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-7-17 2963 Los Angeles Santa Catalina Island: Mouth of Silver Canyon, 1/16 to 1/8 mile from beach 9 Comment
  POM199692  Mirabilis laevis var. crassifolia I. W. Clokey, Bonnie C. Templeton 1929-05 4499 Los Angeles Mandeville Canyon, Santa Monica Mountains. 350 Comment
  RSA464650  Mirabilis laevis var. crassifolia Bonnie C. Templeton 1930-4-8 1002 Los Angeles San Francisquito Canyon, San Gabriel Mts. 900 Comment
Read comments
Aug 27 2011
  UC483380  Mirabilis laevis var. crassifolia L. R. Abrams & I. L. Wiggins 1931-7-6 347 Los Angeles San Clemente Island; vicinity of Mosquito Harbor Comment
  SD153089  Mirabilis laevis var. crassifolia Steven A. Junak 1997-2-25 SCI 727 Los Angeles San Clemente Island. West side of island, just south of Benchmark 516 and Camera Pad Bud 3. 152 Comment
  POM19065  Mirabilis laevis var. villosa P. A. Munz 1923-5-26 6823 Los Angeles Big Rock Creek. 1280 Comment
  SBBG119607  Modiola caroliniana A. C. Sanders 2003-5-1 26287 Los Angeles Irwindale, near boundary of Azusa, S side of Montoya St just E of Irwindale Ave, S of Interstate 210 171 Comment
  CAS-BOT-BC435030  Mollugo verticillata A. C. Sanders; Dan S. Cooper 2010-8-5 38534 Los Angeles South Coast: Madrona Marsh Preserve, Torrance. 24 Comment
  SD65470  Monardella breweri subsp. lanceolata Reid Moran 1967-7-22 14085 Los Angeles Canyon south of Chilao, San Gabriel Mountains. 1550 Comment
  RSA408591  Monardella lanceolata Sam Tyson 1943-7-8 s.n. Los Angeles Volfe Canyon in Big Dalton Canyon. 610 Comment
  RSA29720  Monardella lanceolata var. lanceolata Louis C. Wheeler 1932-6-4 797 Los Angeles San Gabriel Wash at Arrow Hwy. 107 Comment
  POM211787  Monardella viridis subsp. saxicola Louis C. Wheeler 1933-8-14 2081 Los Angeles San Dimas Canyon. 640 Comment
  UCR277103  Monolopia lanceolata R. G. Swinney 2011-4-19 14422 Los Angeles San Gabriel Mountains, San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  CATA3318  Muhlenbergia microsperma Amy Catalano, Laura Roll 2017-3-25 038 Los Angeles Santa Catalina Island: About 0.4 miles up from mouth of Silver Cyn., 150 meters up the main ridge to the north of the canyon 134 Comment
  LA9662  Muhlenbergia microsperma Carl Epling; Nesta Hutchinson 1931-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  SBBG96687  Muhlenbergia microsperma S. Boyd with T. Ross, L. Arnseth 1990-4-7 4195 Los Angeles upper reaches of China Cyn Comment
  UCR270041  Muhlenbergia microsperma R. G. Swinney 2011-3-22 14176 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  RSA305062  Muhlenbergia rigens P. H. Raven, Henry J. Thompson 1960-5-21 s.n. Los Angeles Cornell Corners, Santa Monica Mountains. 244 Comment
  RSA682721  Muhlenbergia rigens LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1108 Los Angeles North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. Follow a ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge., Tributary is north of the 210 freeway. South of freeway tributary will drain into La Tuna Canyon. All survey was done north of the 210. 457 Comment
  UCSB428  Muhlenbergia rigens B., K. 1943-8-25 Los Angeles West Fork Road, San Dimas Canyon; San Dimas Experimental Forest, San Gabriel Mountains Comment
  RSA587345  Muilla maritima Orlando Mistretta 1992-5-4 224 Los Angeles Little Rock Creek, Alimony Ridge 1463 Comment
  UCR271598  Muilla maritima R. G. Swinney 2011-5-19 14776 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.6 miles SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., south side of Coldwater Cyn. creek 1073 Comment
  RSA612152  Myosurus minimus Steve Boyd, Kent Hughes 1998-5-5 10179 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail. 1159 Comment
  SEINET12290165  Myrtaceae W. R. Hamilton 1901-1 s.n. Los Angeles Long Beach Comment
  SBBG65083  Nama californica R. Hoffmann 1927-6-8 Los Angeles Ridge Route (US Hwy 99) near Sandberg's Comment
  RSA605776  Nassella lepida Scott D. White 1995-4-27 2958 Los Angeles City of Malibu. Upslope from Winter Canyon, near Pepperdine University; N of Pacific Coast Highway, E of Malibu Canyon. Road, SW of Malibu Civic Center Way. 92 Comment
  SBBG128214  Nassella lepida M. L. Hoefs, S. A. Junak, J. T. Columbus 2001-5-25 3187 Los Angeles ridge above KBRT radio station, W of airport rd jct 432 Comment
  UC1147893  Nassella lepida Robert F. Thorne 1966-4-6 35931 Los Angeles slopes about 1 mi w Empire Landing; Santa Catalina Island 213 Comment
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Nov 13 2013
  RSA104841  Navarretia hamata subsp. hamata Verne Grant 1956-6-13 9844 Los Angeles Head of Cobal Canyon, foothills of San Gabriel Mtns, north of Claremont. 915 Comment
  RSA157796  Navarretia hamata subsp. leptantha P. H. Raven 1962-5-10 17724 Los Angeles Above head of north fork of canyon just north of gray, San Clemente Island 518 Comment
  RSA776173  Nemacladus pinnatifidus Orlando Mistretta, Christine Mistretta 2010-6-16 5328 Los Angeles Transverse Ranges; San Gabriel Mts region: Upper Big Tujunga canyon; Lynx Gulch drainage 0.86 air miles NE of junction of Lynx Gulch Road with Upper Big Tujunga Canyon Road, along Southern California Edison transmission line corridor. 1175 Comment
  RSA778737  Nemacladus pinnatifidus Orlando Mistretta, Christine Mistretta 2010-6-4 5252 Los Angeles Monte Cristo Canyon (tributary of Mill Creek Canyon), 3.0 miles SW of Mill Creek Summit, along Southern California Edison transmission line corridor. 1372 Comment
  RSA727371  Nemacladus sigmoideus R. G. Swinney 1998-5-16 6076 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  UCR190768  Nemacladus sigmoideus R. G. Swinney 2001-5-18 7942 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
  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
  SFV6664  Nemophila menziesii T. Gordon, K. A. Wilson, J. Cicero 1974-5-24 223 Los Angeles San Gabriel Mountains Gold Creek Canyon. Side canyon of Little Tujunga Canyon. Watts Ranch. 660 Comment
  UCSB49825  Nemophila menziesii Reisentz, Paul 1975-3-20 Los Angeles 2 miles east of Stunt Rd.; from Mulholland Hwy.; Santa Monica Mountains 365 Comment
  CAS-BOT-BC7218  Nemophila menziesii var. integrifolia Marcus Eugene Jones 1882-4-1 3037 Los Angeles Pasadena Comment
  SFV20974  Nemophila menziesii var. integrifolia L. Gross, B. Hogshead, V. Soza 2003-5-29 948 Los Angeles Verdugo Mountains West end of Verdugo Mountains at junction (saddle) of Verdugo Motorway and Wildwood Fire Road (abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago). Went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Motorway). 564 Comment
  UCR238644  Nemophila menziesii var. integrifolia Anuja Parikh, Nathan Gale 2010-6-18 3336 Los Angeles Transverse Range; San Gabriel Mountains, upper Big Tujunga Canyon, 1.2 km north of State Hwy 2 (Angeles Crest Hwy) 0.4 km west of Upper Big Tujunga Canyon Road 1220 Comment
  POM296771  Nemophila menziesii var. menziesii Lyman Benson 1945-3-30 11648 Los Angeles Canyon at Padua Hills above Claremont. 549 Comment
  UCR259347  Nemophila menziesii var. menziesii Mitch Provance, Callen Huff 2009-4-28 10714 Los Angeles Tehachapi Mountains, Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 1.3 miles ENE of Gorman; site PO1086 1371 Comment
  CAS-BOT-BC349862  Nicolletia occidentalis E. E. Morse 1940-5-19 s.n. Los Angeles Wash between Palmdale & Piute Butte, Mohave Desert Comment
  UCR273266  Nicotiana attenuata R. G. Swinney 2011-7-7 15417 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
  LA200902  Nicotiana glauca A. H. Lange; 1951-3-27 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  UC56934  Nicotiana quadrivalvis E. B. Babcock Nov 1902 Los Angeles near Pomona Comment
  RSA686407  Notholaena californica L. C. Wheeler 1932-6-26 878 Los Angeles San Gabriel Canyon 304 Comment
  POM219205  Notholaena californica subsp. californica L. C. Wheeler 1932-6-26 878 Los Angeles 6 mi. from mouth San Gabriel Canyon, San Gabriel Mts. 304 Comment
  SD69439  Nuttallanthus texanus Robert F. Thorne 1966-4-29 36277 Los Angeles Santa Catalina Island: edge of cultivated field, Middle Ranch, Middle Ranch Canyon 213 Comment
  UC219273  Oenothera speciosa P. A. Munz May 1921 4560 Los Angeles between Chino and Pomona 274 Comment
  RSA0080358  Opuntia basilaris var. brachyclada R. G. Swinney 2011-6-29 15339 Los Angeles San Gabriel Mountains: mouth of Monte Cristo Canyon and confluence with Mill Creek. 1098 Comment
  SEINET224186 Image available Opuntia littoralis L. Benson 1956-12-27 15707 Los Angeles First granite hills E of Camarillo US Hwy 101 0 Comment
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Dec 3 2014
  SEINET10973654  Opuntia littoralis var. littoralis Jon Ricketson, Heidi H. Schmidt; Janet Takara 1992-10-20 Ricketson 4783 Los Angeles Santa Catalina Island; Catalina Conservancy Land, Haypress Reservoir, around reservoir. 4 miles northwest of the city of Avalon. Collections made in cooperation with the Catalina Conservancy. 400 Comment
  POM13374  Oreonana vestita P. A. Munz 1922-7-21 6115 Los Angeles Mt. San Antonio 2988 Comment
  SD253508  Orobanche fasciculata R. G. Swinney 2011-5-12 14688 Los Angeles San Gabriel Mountains: east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mile west of Angeles Forest Hwy (Pacifico Mountain 7.5'Q) 1182 Comment
  SEINET13276819 Image available Orobanche fasciculata R. G. Swinney 2011-1 1531 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. (Chilao Flat 7.5' Q.) 1219 Comment
  RSA0070493  Orobanche pinorum Geo. L. Moxley 1913-9-1 s.n. Los Angeles Santa Anita Canyon. 487 Comment
  RSA3697  Orthocarpus purpurascens Carl B. Wolf 1932-5-10 3543 Los Angeles Equestrian trail back of Avalon. Santa Catalina [Island]. 244 Comment
  POM5273  Oxalis albicans subsp. californica J. James Johnson 1903-04 s.n. Los Angeles Collected near Pasadena. Comment
  RSA392906  Oxytheca parishii var. parishii Anstruther Davidson 1892-8-20 s.n. Los Angeles Wilson's Peak Comment
  UCR202720  Oxytheca parishii var. parishii R. G. Swinney 2001-8-18 8057 Los Angeles San Gabriel Mtns., Ross Mtn., 2.5 miles south of Mt. Baden Powell on the same ridge 2257 Comment
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Aug 29 2012
  RSA228857  Oxytheca trilobata Robert F. Thorne 1971-6-26 39989 Los Angeles Angeles National Forest. Near Chilao Old Camp. 1616 Comment
  SD215593  Paeonia californica Steve Boyd, Lauren Raz 1997-3-25 9273 Los Angeles Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain, flats and slopes just northeast of ranch compound. 975 Comment
  RSA85311  Paeonia californica F. W. Peirson 1919-1-25 314 Los Angeles Foot of Arroyo Seco Canyon, Pasadena 381 Comment
  RSA594451  Panicum miliaceum D. L. Banks 1996-3-11 862 Los Angeles Claremont; Oakwood Apartments; 580 S Bucknell Ave.; S side of building next to Patio of Apartment Q. Comment
  SEINET10891655  Papaver somniferum Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2585 Los Angeles City of San Gabriel. Howie's Ranch Market, 6580 N. San Gabriel. Comment
  CATA3166  Parietaria hespera Amy Catalano 2016-3-22 054 Los Angeles Santa Catalina Island: North of end of first Old Hunting Road along Empire Landing Road between Airport Road and Sheep Chute Road, in shallow bowl 317 Comment
  UCR219555  Parietaria hespera R. G. Swinney 2009-3-28 10214 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
  RSA448007  Parietaria hespera var. californica M. B. Dunkle 1929-4-7 2090 Los Angeles White's Landing, Santa Catalina Island. 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
  UC398764  Parietaria hespera var. hespera Katharine Brandegee 1916-1 Los Angeles Santa Catalina Island Comment
  UC557775  Parietaria hespera var. hespera Nell Murbarger May 1936 201 Los Angeles e side San Clemente Island Comment
  RSA526062  Parietaria hespera var. hespera Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-4-6 4160 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  UCR192590  Pectocarya linearis A. C. Sanders 2008-4-10 34816 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM 'Pine 1006 Comment
  SD90373  Pectocarya linearis subsp. ferocula Robert F. Thorne 1966-4-17 36101 Los Angeles San Clemente Island: Desiccated vernal pool on mesa just northwest of Thirst 550 Comment
  UCR223084  Pectocarya penicillata R. G. Swinney 2009-5-13 10770 Los Angeles Transverse Range; San Gabriel Mtns., upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1183 Comment
  RSA230217  Pedicularis semibarbata Robert F. Thorne 1969-7-2 38254 Los Angeles Angeles National Forest: near Chilao Creek, Upper Chilao Campground. 1616 Comment
  RSA549511  Pedicularis semibarbata Tim S. Ross, Steve D. Boyd 1990-6-18 3465 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake 1878 Comment
  UCR270683  Pedicularis semibarbata R. G. Swinney 2011-8-17 15651 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  RSA686734  Pellaea andromedifolia T. S. Clare 1929-3-28 s.n. Los Angeles Topanga Canyon. Comment
  POM120785  Pellaea andromedifolia var. andromedifolia Marcus E. Jones 1882-2-27 s.n. Los Angeles Pasadena. Comment
  CAS-BOT-BC71337  Pellaea mucronata Louis C. Wheeler 1967-5-23 9686 Los Angeles San Gabriel Mountains: At mouth of Bear Canyon, off Soledad Canyon 579 Comment
  LA94178  Pellaea mucronata var. mucronata Lawrence L. Kiefer; 1966-5-14 2027 Los Angeles SANTA MONICA MOUNTAINS, ca 2 mi W of Laurel Canyon Blvd in canyon N of Mulholland Dr. 243 Comment
  UCR108356  Pennisetum clandestinum L. C. Wheeler 1974-12-29 s.n. Los Angeles San Gabriel Mtns., Bottom of Millard Canyon, on both sides of Angeles National Forest boundary. E side of canyon Comment
  RSA716883  Penstemon X dubius LeRoy Gross, Valentin Arvizu 2006-5-31 2470 Los Angeles Forest Service road surveys; Along Santa Clara Road (3N17.6) from Magic Mountain to a short distance pass (east) of Indian Canyon Road (4N37). 1321 Comment
  RSA0097147  Penstemon centranthifolius R. G. Swinney 2011-5-31 14911 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
  RSA171017  Penstemon centranthifolius Robert F. Thorne 1963-7-11 32777 Los Angeles Along road to Upper Shake Campground, ca. 3 miles W of Lake Hughes, Angeles National Forest. Comment
  RSA585913  Penstemon centranthifolius Tim S. Ross 1990-5-17 2566 Los Angeles Little Gleason Forestry Plantation: north of Mt Gleason Road about the east headwaters of Gleason Canyon and about 2 (air) miles E of Mt Gleason summit. 1682 Comment
  RSA613609  Penstemon centranthifolius Louis C. Wheeler 1968-4-26 s.n. Los Angeles San Gabriel Mountains: Head of Mattox Canyon at Santa Clara Divide Road. 1250 Comment
  UCR269930  Penstemon centranthifolius R. G. Swinney 2011-7-21 15550 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  UCR270926  Penstemon centranthifolius R. G. Swinney 2011-6-14 15121 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  NY583871  Penstemon centranthifolius M. E. Jones 05 1882 s.n. Los Angeles Comment
  SEINET13203130 Image available Penstemon grinnellii R. G. Swinney 2010-1 13874 Los Angeles San Gabriel Mountains: summit of Middle Hawkins Peak on Hawkins Ridge (Crystal Lake 7.5' Q.) (T3N R9W) 2576 Comment
  JEPS85074  Penstemon heterophyllus var. australis Roy E. Buck, Rexford Palmer 1989-4-28 1228 Los Angeles 17 air km nw Castaic (ca 1.4 air km se of confluence of Piru Creek and Osito Canyon drainage, bottom of broad n-draining side canyon, tributary to Osito Canyon); se of confluence Piru Creek and Osito Canyon drainage 749 Comment
  RSA407912  Penstemon heterophyllus var. australis Fordyce Griffiths Jr. 1910-05 s.n. Los Angeles Los Angeles. Comment
  SBBG54519  Penstemon heterophyllus var. australis F. W. Pennell 1940-4-18 25139 Los Angeles slope E of Frenchman's Flat Comment
  UC1595208  Penstemon heterophyllus var. australis Tim Ross, Peter Fritsch 1990-6-20 3644 Los Angeles near Rincon Station on the W Fork of the San Gabriel River (w side of Rincon Canyon at the gate to Rincon-Red Box Road); San Gabriel Mountains, West Fork San Gabriel River 481 Comment
  NY601716  Penstemon heterophyllus var. heterophyllus L. T. Chamberlain s.n. Los Angeles Comment
  UC139648  Penstemon labrosus LeRoy Abrams 1902-6-30 2606 Los Angeles Mt. Wilson Comment
  UCR189834  Penstemon labrosus R. G. Swinney 1998-9-4 6885 Los Angeles San Gabriel Mtns., dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi. east of Hwy 2 on 3N06 2241 Comment
  RSA645651  Penstemon speciosus R. G. Swinney 1996-5-27 4736 Los Angeles San Gabriel Mountains: E of Table Mountain and NW of Wright Ridge. E-W-facing ridgetop, 2.25 miles SE of Smithsonian Observatory on E end of ridge. 2252 Comment
  RSA650001  Penstemon spectabilis A. Mayor, Daly 1973-5-5 s.n. Los Angeles Malibu Cyn. Comment
  SBBG125056  Perideridia pringlei A. Parikh, N. Gale 2010-6-8 3264 Los Angeles E Liebre Mtns, Sierra Pelona, NW of Vincent and Soledad Pass, 3.4 km NW of State Hwy 14, under power lines 1185 Comment
  CATA117  Peritoma arborea Peter Henrikson 1987-5-8 88 Los Angeles Santa Catalina Island: Little Springs Canyon, southeast exposure 30 Comment
  SBBG20582  Perityle emoryi E. R. Blakley 1963-12-7 6320 Los Angeles W of Pyramid Head, S of Lighthouse 38 Comment
  RSA151215  Perityle emoryi P. H. Raven 1962-7-12 18036 Los Angeles West end of Northwest Harbor; San Clemente Island 15 Comment
  SEINET3142748  Perityle emoryi G. B. Grant 7167 Los Angeles Catalina Island Comment
  UCR189847  Phacelia R. G. Swinney 1998-7-21 6471 Los Angeles San Gabriel Mtns., upper Fish Fork drainage, south-facing slope of Pine Mountain Ridge, 2.1 miles SW of Fish Fork Trail and Pine Mtn. Ridge 2085 Comment
  RSA122310  Phacelia austromontana Marcus E. Jones 1926-7-8 s.n. Los Angeles San Antonio Peak. Comment
  UC24309  Phacelia bicolor var. bicolor Dr. A. Davidson 1895-1 Los Angeles Lancaster Comment
  LA34675  Phacelia brachyloba Mary V. Hood; 1944-5-21 44 48 k Los Angeles Santa Monica Mountains, Monte Nido, near Tapia Park 167 Comment
  RSA0106747  Phacelia brachyloba R. G. Swinney 2011-6-14 15145 Los Angeles San Gabriel Mountains: upper Charlton Flat Campground., 0.53 air-mile SSW of the junction of Angeles Crest Hwy & Charlton Flat entrance road. 1646 Comment
  UC126018  Phacelia brachyloba Pupils of High School Los Angeles Los Angeles Comment
  UCR271481  Phacelia brachyloba R. G. Swinney 2011-6-14 15145 Los Angeles San Gabriel Mountains, upper Charlton Flat Campground., 0.53 air-mile SSW of the junction of Angeles Crest Hwy & Charlton Flat entrance road 1671 Comment
  RSA608695  Phacelia brachyloba Louis C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: Oak Spring, Oak Spring Canyon, off Little Tujunga. 793 Comment
  RSA0107226  Phacelia cicutaria var. hispida R. G. Swinney 2011-5-19 14782 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 miles SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., south side of Coldwater Cyn. creek. 1073 Comment
  RSA618682  Phacelia cicutaria var. hispida Louis C. Wheeler 1967-5-18 9632 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  RSA44893  Phacelia cicutaria var. hubbyi J. C. Roos 1947-5-4 3603 Los Angeles Kellogg Hill West of Pomona, Los Angeles County Comment
  RSA518021  Phacelia curvipes Steve Boyd, Orlando Mistretta 1986-3-31 1560 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  RSA74727  Phacelia davidsonii F. W. Peirson 1908-4-20 968 Los Angeles Mt Wilson. 1738 Comment
  UCR272572  Phacelia davidsonii R. G. Swinney 2011-6-7 15070 Los Angeles San Gabriel Mountains, Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy. 2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek 1585 Comment
  RSA650530  Phacelia distans Marion P. Harthill 1974-4-22 1656 Los Angeles Mojave Hwy. & N4. Comment
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Jan 4 2012
  RSA653647  Phacelia distans S. Koukol, R. Koukol 1998-5-3 57 Los Angeles Claremont, appx. 100 m S of Baseline Road, in open field E of Mills Ave., W od Monte Vista Ave. 448 Comment
  SBBG13132  Phacelia distans E. R. Blakley 1962-6-10 5230 Los Angeles cyn mouth SE of Eel Pt, half way toward Seal Cove Comment
  UCR259683  Phacelia distans R. G. Swinney 2010-4-1 12125 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
  RSA7495  Phacelia distans F. W. Peirson 1922-4-10 4121 Los Angeles 3-4 miles S of Seal Harbor, San Clemente Island. Comment
  RSA0091167  Phacelia fremontii R. G. Swinney 2011-5-12 14664 Los Angeles east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  UCR258947  Phacelia fremontii R. G. Swinney 2010-5-11 12698 Los Angeles San Gabriel Mountains, east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd 872 Comment
  UCR280694  Phacelia fremontii R. G. Swinney 2014-4-10 16044 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
  RSA0110844  Phacelia grandiflora R. G. Swinney 2011-4-26 14511 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir. 378 Comment
  CAS-BOT-BC145160  Phacelia hubbyi Peter H. Raven; H. J. Thompson; S. R. Snow 1956-6-22 9445 Los Angeles on a large burn below Mulholland Drive above Sepulveda Blvd., Santa Monica Mts. Comment
  RSA428000A  Phacelia imbricata George B. Grant 1901-05 s.n. Los Angeles Eagle Rock Canon Comment
  UCR213952  Phacelia imbricata subsp. imbricata Dave Silverman, Cindy Hopkins 2007-4-27 6780 Los Angeles Tejon Ranch, W of California Aqueduct, N of Oso Canyon, 0.8 miles SSE of National Cement and 600m NE of Oso 3804 benchmark 1052 Comment
  UCR206152  Phacelia lemmonii R. G. Swinney 2008-6-4 8926 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, west tributary of W Fork Punchbowl Canyon, 0.4 mi. NE of park headquarters 1329 Comment
  RSA655769  Phacelia longipes Scott D. White 1997-5-21 5188 Los Angeles San Gabriel River Canyon: N of Azusa; parallel to Highway 39; canyon bottom and adjacent slopes along unnamed dirt access road to gauging station below Morris Dam. 244 Comment
  RSA787635  Phacelia longipes Jane Tirrell 2012-5-21 LS 0051 Los Angeles East tributary to Big Rock Creek Drainage, 0.5 km south of California State Route 2 2354 Comment
  UC1282134  Phacelia longipes Victor Duran 1933-7-27 3539 Los Angeles at Burchham Creek Little Rock Creek 1737 Comment
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Feb 8 2007
  RSA0081300  Phacelia minor R. G. Swinney 2010-3-24 12080 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  POM280815  Phacelia minor Henry J. Ramsey 1937-3-27 s.n. Los Angeles Little Tijuna Canyon. Comment
  CAS-BOT-BC154276  Phacelia ramosissima Cecil Hart 1923-6-17 s.n. Los Angeles San Gabriel river Comment
  RSA188489  Phacelia ramosissima var. latifolia Robert F. Thorne, J. D. Olmsted 1965-8-26 35369 Los Angeles San Gabriel Mountains, Angeles National Forest: along Blue Ridge near upper end of Holiday Hill Ski Lift 2470 Comment
  CAS-BOT-BC154348  Phacelia stellaris David D. Keck 1935-3-18 3019 Los Angeles San Gabriel River, 2 mi. E. of El Monte 91 Comment
  UC1302903  Phacelia viscida Peter H. Raven 1962-3-27 16995 Los Angeles along Palos Verdes Drive 1.4 mi e Portugese Bend; Palos Verdes Hills Comment
  SD125449  Phacelia viscida Daryl Koutnik 1978-5-10 466 Los Angeles Santa Monica Mts, Corral Canyon Rd, roadside 640 Comment
  POM298887  Phalaris lemmonii Frank W. Gould 1944-4-12 2281 Los Angeles Western Avenue at 131st Street, south of Los Angeles. Comment
  RSA12284  Phalaris minor C. B. Wolf 1934-4-11 5659 Los Angeles Bryant Ranch, east of Long Beach along Bixby Ave. 0.5 mile west of Hansen Rd. 100 ft N of fence. 7 Comment
  RSA158218  Phalaris minor P. H. Raven 1962-7-11 17993 Los Angeles In upper reaches of canyon north of Station Nanny, northeast of Lemon Tank, San Clemente Island Comment
  RSA3614  Phalaris minor C. B. Wolf 1932-5-14 3633 Los Angeles Santa Catalina Island. Hillside above Amphitheatre, Avalon. 61 Comment
  RSA594448  Phalaris minor D. L. Banks, Eric H. Roalson 1996-4-29 913 Los Angeles CLAREMONT, Growing along the Freeway underpass of I-10 and Indian Hill Blvd. Comment
  SBBG105554  Phalaris minor T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5136 Los Angeles 550 ft SSW of the 924 ft Benchmark at E end of the old airfield landing strip 279 Comment
  SD30638  Phalaris minor Mr. Ritter 1931-4-3 2049 Los Angeles Near Pasadena, in field Comment
  UCSB46611  Pholistoma auritum Welton, Patti 1983-3-28 Los Angeles Southwest side of Mulholland Hwy., 2.2 miles north of its junction with Malibu Canyon Road, Santa Monica Mtns. 481 Comment
  RSA459256  Pholistoma auritum Martha Hilend 1928-4-18 201 Los Angeles Griffith Park. Comment
  RSA0102539  Pholistoma membranaceum Richard G. Swinney 2011-4-19 14395 Los Angeles San Gabriel Mountains: San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. Under transmission lines. 945 Comment
  RSA249772  Pholistoma membranaceum Robert F. Thorne 1973-4-20 43005 Los Angeles San Gabriel Mountains. 1143 Comment
  RSA459286  Pholistoma membranaceum D. A. Young 1969-3-10 P 456 Los Angeles 1/2 mi. from gate 6 of Puddingstone State Park off of san Dimas Ave., in a canyon 300 yds. NW of the road. 305 Comment
  RSA611650  Pholistoma membranaceum Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10080 Los Angeles Liebre Mountains region: Anaverde Valley at north base of Sierra Pelona. 976 Comment
  RSA733447  Pholistoma membranaceum R. G. Swinney 2001-4-18 7896 Los Angeles San Gabriel Mtns./Mojave Desert: Valyermo area, ridge top ca. 500 m east of south end of Bobs Gap Comment
  SEINET3994594 Image available Phoradendron juniperinum var. libocedri R. Krebill, G. Krebill 1965-4-22 K- 245 Los Angeles Angeles NF, Angeles Crest Hwy, 1/2 mile east of Vincent Gulch Divide Comment
  RSA132712  Phoradendron macrophyllum Del Wiens 1955-1-12 939 Los Angeles South of the top of Kellogg Hill, on U.S. 99, west of Pomona.Oak Woodland. 610 Comment
  RSA600263  Phoradendron macrophyllum Louis C. Wheeler 1933-2-22 1480 Los Angeles Little Rock Creek. 1067 Comment
  CAS-BOT-BC141304  Phoradendron serotinum subsp. tomentosum Del Wiens 1953-10-1 847 Los Angeles On US Hwy. 99, on the Ridge Route, near El Rancho 76 1066 Comment
  RSA747160  Phoradendron villosum R. G. Swinney 2008-6-4 8932 Los Angeles Devils Punchbowl Co. Park, west tributary of W Fork Punchbowl Canyon, 0.4 mi. NE of park headquarters. 1329 Comment
  UC68814  Phyla lanceolata H. M. Hall July, 1905 6733 Los Angeles Compton Comment
  SEINET10502000  Phyllospadix scouleri Robert F. Thorne 1966-4-15 Thorne 36012 Los Angeles San Clemente Island: intertidal pools, attached to rocks ca 1/2 mile SSE of Eel Point, SW side of island; with Phyllospadix torreyi and various algae. Previously unreported from island but the dominant marine phanerogam on rocks in shallow water around island. Comment
  CAS-BOT-BC452036  Phyllospadix torreyi C. Epling 1933-7-1 s.n. Los Angeles Palos Verdes Comment
  LA200485  Pickeringia montana subsp. montana Martha Hilend; M. Canby Reis 1933-5-17 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  CAS-BOT-BC78599  Pinus flexilis Robert F. Thorne 1971-8-25 41277 Los Angeles San Gabriel Mts., Angeles National Forest: Summit of Mt. Hawkins 2697 Comment
  UCR126640  Pinus halepensis A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-7 27156 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, at the old ranch headquarters (barn, corrals, etc.) in the middle of the canyon 335 Comment
  UC1870302  Pinus pinea LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1063 Los Angeles [Transverse Ranges; Verdugo Mountains region]; North side of mountains: South of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway. Near 34.23374N, 118.28423W. 543 Comment
  CATA3224  Pinus radiata Julia Parish 2016-11-17 016 Los Angeles Santa Catalina Island: South-southwest corner of Thompson Reservoir, next to old hacktower 217 Comment
  POM365991  Piptatherum miliaceum Robert Gustafson 1981-5-15 2221 Los Angeles Ballona Wetlands, Area 3. Comment
  UC1595467  Plagiobothrys arizonicus Tim Ross 1992-4-4 6088 Los Angeles nr SW/4 SW/4 NE/4 NE/4; SW Mojave Desert, Adobe Mtn. USGS 7.5' topo, Adobe Mountain 975 Comment
  UCR187110  Plagiobothrys arizonicus A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32241 Los Angeles Tehachapi Mtns. Foothills/Mojave Desert, western end of the Antelope Valley, SW corner of intersection of Ave. 300 West and Oso Pumping Plant Rd. 915 Comment
  UCR223480  Plagiobothrys collinus R. G. Swinney 2009-5-28 10926 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  RSA791583  Plagiobothrys leptocladus D. Silverman, Jeff Jarvis, Colleen Martin 2010-5-19 8011 Los Angeles Antelope Valley, north of Lancaster, 100 m east of Sierra Highway, 240 km north of Avenue F, and 1.3 km south of Avenue E. 703 Comment
  UCR142505  Plantago erecta F. R. Fosberg 1931-4-15 S- 4629 Los Angeles Channel Islands, Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island 200 Comment
  UCR143208  Plantago erecta F. R. Fosberg 1931-3-25 S- 4360 Los Angeles Channel Islands, Santa Catalina Island, Hamilton Canyon, near Avalon above Hamilton Beach 140 Comment
  UCR271724  Plantago lanceolata R. G. Swinney 2011-3-26 14208 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  RSA402054B  Plantago lanceolata Wm. Martin, Robert Gustafson 1971-7-14 s.n. Los Angeles Corner of Jefferson and Rodeo Blvd., Los Angeles. Comment
  RSA0037415  Plantago major R. G. Swinney 2010-9-1 13657 Los Angeles San Gabriel Mountains/Verdugo Mountains: Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds. 341 Comment
  SD253521  Plantago major R. G. Swinney 2011-10-27 15931 Los Angeles San Gabriel Mountains: 1.4 miles east (downstream) from entrance gate to Cogswell Dam, at confluence of Butterfield Canyon and W Fork San Gabriel River, along West Fk. Natl. Scenic Bikeway. 633 Comment
  UC28015  Plantago major J. Burtt Davy Oct 1896 2876 Los Angeles Pomona Comment
  RSA401947B  Plantago ovata var. fastigiata Anstruther Davidson 1902-5-4 s.n. Los Angeles Redondo. Comment
  SBBG38671  Plantago ovata var. insularis M. B. Dunkle 1939-4-5 7269 Los Angeles China Pt Comment
  RSA424281  Plantago ovata var. insularis F. W. Peirson 1923-4-11 3427 Los Angeles Eagle Ranch, San Clemente Island. Comment
  UCR138541  Platanthera dilatata var. leucostachys L. C. Wheeler 1966-8-21 8826 Los Angeles San Gabriel Mtns., Dorr Canyon, NW slope of Mt. Burnham, Lodgepole Picnic Area, Angeles Crest Hwy 2317 Comment
  SEINET11448299  Platanthera dilatata var. leucostachys F. R. Fosberg, Ewan, J. 1931-1 Los Angeles Windy Camp Spring, Mount Islip Comment
  RSA131977  Platanthera leucostachys Gale Sphon 1959-6-27 383 Los Angeles West of junction of Big Rock Creek Road with paved road, San Gabriel Mountains. 2058 Comment
  CAS-BOT-BC93195  Platanus racemosa Peter H. Raven 1959-9-6 14368 Los Angeles Santa Monica Mountains. At mouth of Malibu Creek. 9 Comment
  LA200744  Platanus racemosa Robert G. Engman; sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  UCR224373  Platystemon californicus Justin M. Wood 2010-5-10 1635 Los Angeles San Gabriel Mountains, vicinity of Littlerock Creek, just southwest of intersection of Chesebro Road and Mt. Emma Road 973 Comment
  RSA593505  Platystemon californicus var. crinitus Steve Boyd, Orlando Mistretta 1996-5-1 8762 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
  RSA576931  Plectritis ciliosa subsp. insignis Louis C. Wheeler 1934-3-24 2472 Los Angeles Liveoak Canyon, San Gabriel Mts. 488 Comment
  POM21359  Pluchea odorata Fordyce Grinnell Jr. 1917-9-9 s.n. Los Angeles Los Angeles River bottom, near Los Angeles. Comment
  UCR210711  Poa R. G. Swinney 2008-9-10 9417 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek 1463 Comment
  UCD90369  Poa annua F. W. Peirson 1923-4-12 3420 Los Angeles Big Pines Meadow, San Gabriel. 2087 Comment
  UCR149902  Poa pratensis R. G. Swinney 1999-6-18 7333 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  RSA577548  Poa secunda L. C. Wheeler 1933-4-3 1587 Los Angeles UCLA Campus 137 Comment
  RSA585072  Poa secunda L. C. Wheeler 1932-3-26 538 Los Angeles Puddingstone Dam, San Jose Hills 274 Comment
  RSA588902  Poa secunda Timothy S. Ross, Steve Boyd 1990-5-15 2539 Los Angeles Yerba Buena Ridge, Tujunga RAnger District, Angeles National Forest; ridgeline between Boulder Canyon drainage (on NW) and Big Tujunga Canyon (on NE) 1012 Comment
  RSA0082767  Poa secunda subsp. secunda Ernest C. Twisselmann 1962-4-18 6954 Los Angeles Oso Canyon, 0.5 mile west of Coe Field fence. 1036 Comment
  CAS-BOT-BC419777  Polygonum argyrocoleon John Thomas Howell 1948-7-2 24770 Los Angeles Palos Verdes Hills Comment
  RSA0116450  Polygonum aviculare R. G. Swinney 2010-8-11 13501 Los Angeles San Gabriel Mountains; San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road. 595 Comment
  UC132268  Polygonum aviculare subsp. aviculare J. and H. W. Grinnell 1906-8-26 365 Los Angeles near Pasadena (vacant lot) Comment
  UC466032  Polygonum aviculare subsp. aviculare Geo. B. Grant 1906-9-1 7172 Los Angeles Catalina Is. Comment
  RSA762332  Polygonum hydropiperoides R. G. Swinney 2008-11-30 9862 Los Angeles Azusa, San Gabriel River Channel, 1.2 mi. north of Foothill Blvd. at mouth of Fish Canyon. 204 Comment
  POM122114  Polygonum lapathifolium Unspecified 1901-9-19 s.n. Los Angeles Summit of Mt. Lowe Comment
  RSA580116  Polygonum lapathifolium Tim S. Ross, S. D. Boyd 1994-9-21 8335 Los Angeles 'Cow Spring Pond': sag pond on the San Andreas Fault Zone at the N foot of Liebre Mtn and on the S side of West Oakdale Canyon Road, ca 100m W of the Cow Spring Canyon drainage. 1149 Comment
  UCR256836  Polygonum lapathifolium R. G. Swinney 2010-8-16 13545 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  CAS-BOT-BC71908  Polypodium californicum Geo. B. Grant 1902-6-1 1026 Los Angeles Sierra Madre Mts. Comment
  LA94054  Polypodium californicum Lawrence L. Kiefer; 1966-3-6 1657 Los Angeles SANTA MONICA MOUNTAINS, Corral Canyon, ca 3 mi up Corral Canyon Rd, near the road, W side. 518 Comment
  RSA689915  Polypodium californicum M. B. Dunkle 1932-1-31 2864 Los Angeles Santa Catalina Island, Avalon Canyon. Comment
  SBBG10343  Polypodium californicum R. Moran 1959-3-9 7159 Los Angeles 1 mi N of Eel Pt 20 Comment
  UCR207627  Polypodium californicum O. F. Clarke 2004-4-27 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco near Pasadena Comment
  UCR216371  Polypodium californicum Dan S. Cooper 2010-5-10 510- 48 B Los Angeles Western Transverse Range; eastern Santa Monica Mtns., upper Oak Canyon, Griffith Park 221 Comment
  UCR219568  Polypodium californicum R. G. Swinney 2009-3-28 10203 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
  UCR272556  Polypodium californicum R. G. Swinney 2011-10-27 15897 Los Angeles San Gabriel Mountains, West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream 649 Comment
  CAS-BOT-BC71892  Polypodium californicum Geo. B. Grant 1901-4-1 4840 Los Angeles Los Angeles (on Catalina Island) Comment
  UCSB62331  Polypodium californicum Kiefer, Lawrence 1967-1-7 Los Angeles San Gabriel Mtns., Pacoima Canyon, vicinity of Dutch Louie Camp 701 Comment
  SBBG17191  Polypogon monspeliensis M. Vincent 1962-5-4 270 Los Angeles Malibu Beach lagoon at Malibu Comment
  SBBG59504  Polypogon monspeliensis M. N. Ackley -Jun-1927 12 Los Angeles Sycamore Park 228 Comment
  SBBG98435  Polypogon monspeliensis T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5076 Los Angeles lower Wilson Cove Cyn; draw SW of and above pier operations 15 Comment
  CAS-BOT-BC237497  Polypogon viridis Edgar A. Mearns; L. Schoenfeldt 1894-6-22 3679 Los Angeles Cameron's Ranch Laguna Comment
  RSA385488  Polypogon viridis Edwin Kline 1924-6-22 s.n. Los Angeles Arroyo Seco. San Gabriel Mountains. Comment
  RSA747774  Polystichum imbricans subsp. curtum Scott D. White, Justin M. Wood 2009-5-6 12658 Los Angeles San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  POM244918  Populus balsamifera subsp. trichocarpa F. R. Fosberg 1931-4-28 S- 4704 Los Angeles Eagles Nest Middle Ranch Canyon, Santa Catalina Island. 180 Comment
  SD237603  Populus fremontii A. C. Sanders, Dan S. Cooper 2010-4-30 10534 Los Angeles South Coast: Madrona Marsh, Torrance (Torrance 7.5'Q) 24 Comment
  UCR145182  Populus fremontii June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains foothills/Mojave Desert, Bob's Gap and Valyermo Road 1250 Comment
  CLARK-A1528-5160  Potamogeton crispus John C. Roos 1950-7-15 4852 Los Angeles San Gabriel River 60 Comment
  RSA383493  Potamogeton illinoensis L. C. Wheeler 1933-10-22 2198 Los Angeles San Gabriel Mountains, Crystal Lake 1707 Comment
  RSA293402  Potentilla glandulosa subsp. ewanii Reino Alava, R. C. Bacigalupi 1958-7-20 2226 Los Angeles North slopes of Throop Peak, 1/2 mile south of Dawson Saddle, Angeles Crest Highway (California Highway No. 2), Angeles National Forest, San Gabriel Mountains. 2378 Comment
  LA52093  Potentilla glandulosa subsp. glandulosa Carl Epling; Harvey Anderson 1930-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  RSA0025345  Prunus Anuja Parikh, Nathan Gale 2011-7-2 3529 Los Angeles TR, SnGb, along road to Barley Flats, 2.5 km WSW of Shortcut Station, 0.4 km N of State Highway 2 (Angeles Crest Hwy). 1505 Comment
  SEINET10629183  Prunus armeniaca Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2596 Los Angeles City of Pasadena. Trader Joe's, 610 S. Arroyo Pkwy. Comment
  SEINET10628875  Prunus domestica Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3759 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  RSA567309  Prunus ilicifolia Tim S. Ross 1990-6-28 3987 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
  SD90543  Prunus ilicifolia subsp. lyonii Robert Thorne 1966-4-16 36075 Los Angeles San Clemente Island:Small grove in bottom of canyon below Lemon Tank near dump, S of Nanny, NE side of island 182 Comment
  RSA454155  Prunus lyonii F. R. Fosberg 1931-5-6 S- 4787 Los Angeles Cape Canyon. Santa Catalina Island. 240 Comment
  CDA3912  Prunus persica T. S. Ross 1991-4-21 4499 Los Angeles Peninsular Ranges; Chino-Puente Hills region. Whittier hills (Puente hills, pro parte): Turnbull canyon drainage near mouth of Turnbull canyon. Comment
  POM358749  Pseudognaphalium biolettii F. R. Fosberg 1931-3-1 4214 Los Angeles Topanga Canyon, 2.5 mi. below Wildwood, Santa Monica Mountains. 60 Comment
  SBBG25542  Pseudognaphalium biolettii D. E. Emery 1947-4-5 Los Angeles Griffith Park Comment
  UCSB9795  Pseudognaphalium biolettii Haller, John 1950-3-30 Los Angeles U.C.L.A., Faculty Hill, near Sunset Blvd. Comment
  CATA902  Pseudognaphalium californicum Mark L. Hoefs, Robert F. Thorne 1992-4-1 1736 Los Angeles Santa Catalina Island: By road past Isthmus, just before Emerald Bay 15 Comment
  SFV18420  Pseudognaphalium californicum C. Ferguson 1974-6-7 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Ecology trail. Open places below 3000 ft. Comment
  POM292462  Pseudognaphalium leucocephalum Arthur L. Cohen 1935-8-23 728 Los Angeles Los Anitas Canyon, Pacific Ocean. 3 Comment
  CAS-BOT-BC80060  Pseudotsuga macrocarpa Chester Dudley 1931-7-1 s.n. Los Angeles San Gabriel Mts. Comment
  POM120009  Pseudotsuga macrocarpa Marcus E. Jones 1883-11-25 s.n. Los Angeles Pasadena. Comment
  SDSU21061  Pseudotsuga macrocarpa Ian Cain, Natasha Bartely 2010-6-21 1534 Los Angeles Angeles National Forest, San Gabriel Mountains. Along Bear Creek east of Cogswell Dam 488 Comment
  UC1191106  Pseudotsuga macrocarpa Herbert L. Mason 1927-6-11 3738 Los Angeles Mt. Wilson, San Gabriel Mts, Mt. Wilson 1524 Comment
  UC484177  Pseudotsuga macrocarpa C. B. Wolf 1930-9-30 1676 Los Angeles 0.5 mi w of summit of grade (on new road from San Fernando to Saugus) 609 Comment
  RSA302690  Pseudotsuga macrocarpa J. R. Shevock 1970-12-31 584 Los Angeles San Gabriel Mountains 1067 Comment
  RSA512058  Psilocarphus tenellus var. tenellus L. C. Wheeler 1967-5-18 9658 Los Angeles San Gabriel Mountains, Angeles National Forest: Placerita Canyon. 594 Comment
  POM243817  Pterostegia drymarioides F. R. Fosberg 1931-4-2 S 4452 Los Angeles Santa Catalina Island. Hamilton Canyon near Avalon 250 Comment
  RSA482497  Pterostegia drymarioides Richard Noyes, L. Arnseth 1988-4-30 538 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Burbank Canyon, northwest of Thompson Creek Dam. 525 Comment
  RSA632937  Pterostegia drymarioides Valerie L. Soza, Kent Hughes 1999-6-17 541 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail at San Olene Canyon. 732 Comment
  RSA392910  Pterostegia drymarioides Edwin Kline 1925-4-20 s.n. Los Angeles Arroyo Seco Comment
  LA211196  Puccinellia distans Tarja Sagar; 2008-4-18 s.n. Los Angeles SANTA MONICA MOUNTAINS, Edge of reparian woodland, Calabasas. Comment
  UC284661  Pycnanthemum californicum D. L. Crawford Aug. 1915 Los Angeles mts near Claremont Comment
  JEPS58813  Pyrola dentata Frank W. Peirson 1921-7-17 2512 Los Angeles San Gabriel Mountains, Prairie Fork of the San Gabriel River 2133 Comment
  RSA719929  Quercus X grandidentata R. G. Swinney 1997-9-27 5882 Los Angeles Live Oak Canyon, c. 1.6 mi. N of Baseline Rd., 0.8 mi. due N of Live Oak Canyon Dam. 488 Comment
  RSA0003725  Quercus X grandidentata Joseph A. Ewan 1934-12-27 8487 Los Angeles 2 mi. above A.T.&S.F. tracks at mouth of Sawpit Canyon (i.e. Monrovia C.) 229 Comment
  UC450933  Quercus agrifolia Fay A. MacFadden 1931-3-17 2625 Los Angeles Tuna Canyon Verdugo Hills Comment
  RSA656188  Quercus agrifolia var. agrifolia Joseph M. Keefe 1978-5-11 22904 B Los Angeles Verdugo Mountains: Stough Canyon, Firebreak Road, 0.5 km north of DeBell Golf Course, foothills of Verdugo Mtns, Burbank. 457 Comment
  SEINET238519  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
  UC1135521  Quercus berberidifolia R. St. John 1930-1-18 71 Los Angeles Las Virgenes Ranch Triunfo Pass Quad. 365 Comment
  CAS-BOT-BC62365  Quercus chrysolepis Marcus E. Jones 1882-2-27 3035 Los Angeles Pasadena Comment
  HSC78676  Quercus chrysolepis R. F. Thorne, M. Z. Thorne 1966-5-31 36430 Los Angeles Ridge running from S end of Mt. Orizaba, S side of S fork of Fern Canyon 488 Comment
  LA46918  Quercus chrysolepis W. B. Welch; 1931-8-31 sn Los Angeles San Gabriel Mountains, Big Rock Creek Comment
  UCSB58436  Quercus chrysolepis McCaskill, June 1961-5-9 Los Angeles At foot of footbridge to 100 inch telescope, Mount Wilson, Sierra Madre Mountains, ca. 30 miles northeast of Los Angeles 1737 Comment
  SEINET13953240 Image available Quercus chrysolepis Elizabeth McClintock 1944-1 Los Angeles Crystal Lake, San Gabriel Mts., Los Angeles Co., Calif. Comment
  CAS-BOT-BC86220  Quercus dumosa Geo. B. Grant 1906-9-1 7177 Los Angeles Catalina Island Comment
  UC5594  Quercus dumosa W. H. Brewer 1860-12-5 46 Los Angeles San Gabriel Mts. Comment
  RSA654504  Quercus engelmannii Lyman Benson 1946-12-20 12266 Los Angeles Thompson Creek, just north of San Antonio Ave. NW of Claremont. San Gabriel Mt. 457 Comment
  UCR255497  Quercus ilex Dan S. Cooper 2014-6-26 614- 42 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Lower Sennett Canyon adjacent to Forest Lawn cemetery, at Forest Lawn Dr. 155 Comment
  RSA672306  Quercus john-tuckeri Michael Denslow, V. Soza, S. Sambui 2002-6-12 691 Los Angeles ~2 air-miles from Paradise Springs, along Devils Punch Bowl trail beginning at South Fork Campground. 1433 Comment
  UC1871262  Quercus john-tuckeri T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3918 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: near center of the long summit, in the vicinity of the old Radio Tower site; nr ctr NE 1/4 sect 10; elevation ca 5640-5760 feet. Comment
  UCSB34827  Quercus john-tuckeri Lloyd, Robert 1959-3-24 Los Angeles 5 miles north of Oak Flats Fire Station at upper end of Piru Gorge, West side of U.S. Hwy. 99; Tehachapi Mts., approx. 15 miles north of Castaic 701 Comment
  SFV892  Quercus lobata P. G. Kilburn 1957-10-31 534 Los Angeles San Fernando Valley Chatsworth Circle Road opposite Chatsworth Reservoir, 150 feet east of road. 275 Comment
  JEPS37326  Quercus pacifica W. L. Jepson 1908-7-13 3048 Los Angeles Catalina Island Comment
  RSA476560  Quercus pacifica F. R. Fosberg 1931-5-12 S 4850 Los Angeles Renton Pass, Santa Catalina Island. 350 Comment
  UC284715  Quercus tomentella P. A. Munz 1923-4-9 6694 Los Angeles near Lemon Tank; San Clemente Island Comment
  UCD47344  Quercus tomentella Robert F. Thorne 1966-9-16 36715 Los Angeles Santa Catalina Island: left branch of Pebbly Beach Canyon. 121 Comment
  CAS-BOT-BC104867  Quercus wislizeni S. Y. Parnay 1911-6-1 s.n. Los Angeles Henninger's Flats Comment
  LA30789  Quercus wislizeni Jo Ann W. Flock; 1958-12-20 12 Los Angeles Liebre Mt., 0.5 mi. E of Horse Trail Public Camp 914 Comment
  RSA579516  Quercus wislizeni var. frutescens Tim S. Ross, Steve D. Boyd 1994-6-23 8049 Los Angeles Sawmill Mountain: 5514-ft summit and immediately adjacent slopes. 1665 Comment
  RSA623992  Quercus wislizeni var. frutescens Raymond J. Dobbs 1927-5-12 280 Los Angeles 1 1/2 mile below Switzer's old trail Comment
  CAS-BOT-BC362471  Rafinesquia californica Alice Eastwood 1906-5-27 30 Los Angeles Country adjacent to Los Angeles. Garvanza Comment
  SBBG119426  Rafinesquia californica S. D. White with K. Hughes 2000-5-16 7847 Los Angeles foothills near Acton, Arrastre Cyn 976 Comment
  CHSC26268  Ranunculus californicus Wesley O. Griesel 1962-3-17 Los Angeles Tapia Park, Santa Monica Mts. 152 Comment
  LA97630  Ranunculus californicus Kei Nakai; 1976-4-5 TCSP 1 18 76 Los Angeles Santa Monica Mountains, Topanga Canyon State Park, Topanga Canyon State Park 0.25 mi. from ranger's office 380 Comment
  RSA399379  Ranunculus californicus T. S. Clare, McDougal 1930-4-7 s.n. Los Angeles Above Sandberg. Comment
  POM156305  Ranunculus californicus L. R. Abrams 1903-3-8 3104 Los Angeles Near Inglewood. Comment
  CAS-BOT-BC378881  Ranunculus californicus var. californicus Marcus E. Jones 1882-5-1 s.n. Los Angeles Pasadena Comment
  RSA0018979  Ranunculus californicus var. californicus Lyman Benson 1957-4-17 15719 Los Angeles Kellogg Campus, California Polytechnic Institute. San Jose Hills. Pacific Slope drainage area. 305 Comment
  RSA190930  Ranunculus hebecarpus Robert F. Thorne 1967-5-18 36856 Los Angeles Santa Catalina Island Middle Bulrush Canyon 244 Comment
  CAS-BOT-BC74281  Raphanus sativus John I. Carlson 1915-6-13 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  SEINET11522477  Raphanus sativus N. Bacon 1967-3-29 s.n. Los Angeles Los Angeles City, Glenwood Place, South Gate. Comment
  UCR190247  Rhamnus californica R. G. Swinney 2000-6-19 7809 Los Angeles San Gabriel Mtns., west of Pine Mountain and north of Azusa, junction of FS Rd. 2N24 and Pine Mtn. spur rd. 1274 Comment
  UCR223462  Rhamnus californica R. G. Swinney 2009-6-8 11093 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
  RSA660631  Rhamnus californica subsp. californica Matt Bogdanoff 1981-5-24 9 Los Angeles Big Dalton Cyn. Rd., 0.7 mi E of junction with Glendora Mtn. Rd., N of Glendora. 396 Comment
  CAS-BOT-BC59931  Rhamnus crocea Vernon O. Bailey 1907-10-29 s.n. Los Angeles Fernando. Comment
  CAS-BOT-BC56001  Rhamnus ilicifolia John Thomas Howell 1928-3-2 3362 Los Angeles Griffith Park Comment
  CAS-BOT-BC59839  Rhamnus ilicifolia Timothy S. Ross; Steve Boyd 1995-6-28 8645 Los Angeles Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. Burnt Peak 7.5' USGS Quad. 737 Comment
  RSA390832  Rhamnus ilicifolia Bonnie C. Templeton 1930-4-2 1434 Los Angeles Mulholland Dr. Santa Monica Mountains. Comment
  RSA660207  Rhamnus ilicifolia Yvonne Rasmussen 1984-5-5 27 Los Angeles 5.5 miles past the Pasadena city limits on the way towards mount Wilson on Angeles Crest Highway. Turn off on right as one goes up the hill. Comment
  SEINET3259906 Image available Rhamnus ilicifolia R. G. Swinney 2008-3-31 8581 Los Angeles San Gabriel Mtns.; Glendora Mountain summit. 1003 Comment
  UCSB4040  Rhamnus ilicifolia Ralph, F. 1959-7-18 Los Angeles U.S. 99, 6.9 mi. S of its jet. with Calif. 138. 762 Comment
  CAS-BOT-BC59779  Rhamnus pirifolia Brandegee 1889-5-1 s.n. Los Angeles Santa Catalina Island. Comment
  JEPS42042  Rhamnus pirifolia Dr. John W. Harshberger 1925-7-31 Los Angeles Catalina Island Comment
  SD92000  Rhamnus pirifolia Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-12 22682 Los Angeles West fork of Red Rock Canyon, San Clemente Island 280 Comment
  UCR280399  Rhamnus pirifolia Jeremiah George, Eric Kline 2017-4-17 417- 10 Los Angeles Channel Islands, Santa Catalina Island, Middle Ranch Road, SCE powerline right-of-way north of junction with Skull Ridge Road 305 Comment
  RSA390147  Rhamnus tomentella subsp. cuspidata I. M. Johnston 1917-8-22 1709 Los Angeles Prarie Fork of San Gabriel River, Lower Transition Zone. 1982 Comment
  RSA599668  Rhamnus tomentella subsp. cuspidata Steve Boyd, Lauren Raz 1997-5-1 9687 Los Angeles Liebre Mountains Region: Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-southeast of Lincoln Crest, the head of Bouquet Canyon. 1463 Comment
  RSA652634  Rhamnus tomentella subsp. cuspidata R. Spence 1974-8-15 s.n. Los Angeles San Gabriel Mt. Comment
  HSC101314  Rhus aromatica R. G. Swinney 2009-3-28 10213 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 378 Comment
  CAS-BOT-BC170472  Rhus integrifolia Dr. Barton W. Evermann 1918-3-29 s.n. Los Angeles Santa Catalina Isl. Comment
  JEPS66238  Rhus integrifolia Frank W. Peirson 1919-1-25 313 Los Angeles e of Morrovia Canyon (Arroyo Seca); San Gabriel Mountains 365 Comment
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Dec 10 2014
  RSA613160  Rhus integrifolia L. C. Wheeler 1933-3-17 1539 Los Angeles Claremont. 366 Comment
  UCSB3632  Rhus integrifolia Ballard 1954-2-16 Los Angeles In a wash on Pomona College Campus, Claremont 259 Comment
  CAS-BOT-BC167959  Rhus ovata Ernest Braunton 1902-6-4 389 Los Angeles Griffith Park Comment
  RSA386385  Rhus ovata Vernon Rutherford 1948-07 s.n. Los Angeles Canton Canyon, vicinity of Castaic. Tehachapi Mts. Range. Comment
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Jan 10 2013
  RSA650232  Rhus ovata G. Foster 1961-6-2 s.n. Los Angeles Old Baldy Rd., Angeles National Forest Comment
  UCR178424  Rhus ovata Brenda Bird, Gene Nardone 1993-4-18 s.n. Los Angeles Transverse Range; San Gabriel Mtns, Whitney Canyon Ranch off San Fernando Road in Newhall 488 Comment
  UCR252729  Rhus ovata R. G. Swinney 2010-9-1 13663 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  CAS-BOT-BC92283  Ribes amarum Ellsworth Bethel 1920-2-11 s.n. Los Angeles Fish Canyon. San Gabriel Mountains. Back of Duarte. Comment
  RSA584017  Ribes amarum T. S. Ross 1991-4-25 4614 Los Angeles San Gabriel Mountains: lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at ca 1540 ft. elev.). 512 Comment
  SFV21982  Ribes aureum V. Soza, L. Gross, R. Kopelov 2000-3-30 654 b Los Angeles Verdugo Mountains North side of Verdugo Mountains. Northeastern side of La Tuna Canyon, north of 210 Freeway and La Tuna Canyon Road. South-southwest of Haines Canyon Ave. and Elmhurst Drive junction, Haines Canyon Park. West-facing slope of canyon sides in area cleared and open above near housing. 579 Comment
  UCR193632  Ribes aureum A. C. Sanders 2008-7-10 35735 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  CAS-BOT-BC92452  Ribes aureum var. gracillimum Lewis S. Rose 1934-12-27 34519 Los Angeles Monrovia. Comment
  RSA612176  Ribes aureum var. gracillimum Ma. Elena Siqueiros 1997-3-8 4346 Los Angeles NW corner of Mills Ave, and Foothill Blvd, Claremont, West of main road on foothill entrance, jct of two fire roads, south of old infirmary. 412 Comment
  SFV1605  Ribes aureum var. gracillimum K. A. Wilson 1962-2-26 1251 Los Angeles Santa Monica Mountains Mulholland Drive and Topanga Canyon Blvd. 300 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
  RSA9641  Ribes aureum var. gracillimum Louis C. Wheeler 1932-5-4 681 Los Angeles San Gabriel Wash 107 Comment
  UCR270088  Ribes californicum R. G. Swinney 2011-4-9 14362 Los Angeles San Gabriel Mountains, 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
  RSA678215  Ribes californicum var. hesperium Valerie L. Soza, LeRoy Gross 2001-4-24 1171 Los Angeles Santa Anita 1999 Fire area, Santa Anita Canyon, west side of Santa Anita Canyon Road across from the Santa Anita Dam. 549 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
  RSA675701  Ribes indecorum Scott D. White 2001-2-4 8156 Los Angeles Evey Canyon, a tributaryto San Antonio Cyn just above San Antonio Flood Control Dam. 732 Comment
  RSA717415  Ribes indecorum Gary Kovnat, LeRoy Gross 2003-1-19 3 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace east meadow gully. Comment
  LA50740  Ribes malvaceum W. O. Griesel; March 1936 sn Los Angeles Santa Monica Mountains, Mulholland Hy near Sepulveda Can 396 Comment
  UC1127271 Image available Ribes malvaceum A. D. Gifford 1935-1-7 404 Los Angeles 6 1/2 mi ese Whitaker Peak (Plot #102); Tejon Quadrangle Comment
  UCR210220  Ribes nevadense R. G. Swinney 2008-9-4 9424 Los Angeles San Gabriel Mtns., Dry Lake, Blue Ridge, SW of Wrightwood and 0.4 mi. east of junction of Hwy 2 and road 3N06/Blue Ridge Rd. 2250 Comment
  UCR270898  Ribes nevadense R. G. Swinney 2011-8-17 15639 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  RSA0073284  Ribes nevadense Bonnie C. Templeton 1932-5-31 4853 Los Angeles Vincent Gulch, below Big Pines Camp, San Gabriel Mts. Comment
  CAS-BOT-BC186159  Ribes roezlii var. roezlii R. F. Thorne; M. Z. Thorne 1969-7-10 38359 Los Angeles San Gabriel Mts., Angeles National Forest: Near Lodgepole Picnic Ground, c. 1 1/2 miles SE of Dawson Saddle along Angeles Crest Hwy. 2316 Comment
  UCR87414  Ribes roezlii var. roezlii R. G. Swinney 1994-6-12 2886 Los Angeles Eastern San Gabriel Mtns, Sheep Mountain Wilderness, Prairie Fork Canyon, F.S. Road 3N39, 2.1 mi. SE of junction with F.S. Road 3N06. South of road 2195 Comment
  CAS-BOT-BC168659  Ribes speciosum John H. Thomas 1957-2-14 6484 Los Angeles Hills north of Eagle Rock, about 3-4 miles east of Pasadena 304 Comment
  POM156177  Ribes speciosum L. R. Abrams 1902-3-11 3118 Los Angeles Sepulveda Canyon, Santa Monica Mts. Comment
  RSA476280  Ribes speciosum Bonnie C. Templeton 1931-3-29 s.n. Los Angeles Mandeville Canyon 200 Comment
  SBBG17033  Ribes speciosum K. A. Wilson 1961-3-10 959 Los Angeles Old Topanga Cyn Rd, ca. 1/4 mi W of Topanga Cyn Rd Comment
  CAS-BOT-BC173941  Ribes viburnifolium A. J. McClatchie 1893-9-7 s.n. Los Angeles Catalina Island Comment
  RSA187679  Ribes viburnifolium Robert F. Thorne 1966-9-15 36685 Los Angeles Santa Catalina Island, W end of island 152 Comment
  RSA639233  Ribes viburnifolium Robert F. Thorne 1971-5-18 41355 Los Angeles Santa Catalina Island. Blackjack Mountain. 488 Comment
  RSA725914  Ribes viburnifolium Tim Thibault, Chelsea Ames, Valentin Arvizu, Heather Porter, Janet Takara 2006-4-27 434 Los Angeles Propst Grove, Santa Catalina Island. NE canyon. 354 Comment
  RSA598852  Rigiopappus leptocladus Steve Boyd, Timothy S. Ross 1997-3-21 9226 Los Angeles Liebre Mountains, Portal Ridge, head of Broad Canyon, east of VABM King and 0.2 miles east of the junction of Forest Service Roads 7N07 and 7N07A, near an abandoned road alignment leading down ridgeline dividing Bleich Canyon and Broad Canyon. 1310 Comment
  RSA0062836  Robinia pseudoacacia LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6759 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  UC1922892  Robinia pseudoacacia Valerie Soza, Leland Lubinsky 2001-5-16 1232 Los Angeles Transverse Ranges; Verdugo Mountains region; Drainage off Whiting Woods Mtwy, ridge north of Henderson Canyon. 549 Comment
  RSA525100  Rosa californica Tim S. Ross, Steve D. Boyd 1990-6-6 2855 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  UC212368  Rosa californica I. M. Johnston 1918-8-4 2121 Los Angeles hills w Pomona Comment
  POM366434  Rubus ursinus L. E. Hoffman 1931-5-18 s.n. Los Angeles Big Santa Anita Canyon. Comment
  POM366447  Rubus ursinus Louis C. Wheeler 1932-3-12 484 Los Angeles Mandeville Canyon, Santa Monica Mts. 122 Comment
  RSA657283  Rubus ursinus Greg Burchett, Lisa Kegarice, Curtis Clark 1992-5-26 92 -13 Los Angeles Santa Clara River west from I-5 to trailer park. Comment
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May 21 2015
  SBBG18716  Rubus ursinus E. R. Blakley 1963-4-7 5516 Los Angeles Middle Ranch Cyn at Eagles Nest Station 152 Comment
  RSA601170  Rumex conglomeratus Louis C. Wheeler 1967-6-26 9899 Los Angeles San Gabriel Mountains : Elsmere Canyon, south central. At the forks of the canyon, just north of the section line. 488 Comment
  UCR270477  Rumex conglomeratus R. G. Swinney 2011-6-30 15412 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA706650  Rumex crispus A. C. Sanders, Mark A. Elvin, Cathleen Weigand 2002-7-31 25514 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters 313 Comment
  LA200770  Rumex crispus Brett Blosser; 1970-6-6 sn Los Angeles Empty lot, Westwood Comment
  RSA466094  Rumex hymenosepalus Bonnie C. Templeton 1931-4-19 s.n. Los Angeles Mint Canyon. Comment
  CAS-BOT-BC433577  Rumex hymenosepalus Geo. B. Grant 1897-12-19 s.n. Los Angeles Covina Comment
  RSA65463  Rumex maritimus F. W. Peirson 1804 Los Angeles San Fernando Valley. Comment
  RSA713817  Rumex obtusifolius A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale 2003-4-30 26223 Los Angeles Western San Gabriel Mtns.: Castaic Valley along Castaic Creek 0-2 km downstream from Lake Hughes Rd., Newhall Ranch 351 Comment
  UCR162506  Rumex pulcher Anuja Parikh, Nathan Gale 2004-6-2 2024 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 3) in vicinity of confluence of Castaic Creek 290 Comment
  RSA600402  Rumex salicifolius var. denticulatus Steve Boyd, Lauren Raz 1997-4-30 9626 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine. 866 Comment
  RSA597019  Rumex salicifolius var. salicifolius Tim S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3814 Los Angeles Vicinity of Crystal Lake 1677 Comment
  LA200488  Rupertia physodes O. A. Plunkett; 1932-5-18 sn Los Angeles Santa Monica Mountains, Stone Canyon Comment
  RSA587361  Salazaria mexicana Orlando Mistretta 1992-5-4 242 Los Angeles Little Rock Creek, Alimony Ridge. 1463 Comment
  SBBG13769  Salicornia pacifica E. R. Blakley 1961-9-23 4727 Los Angeles Ballast Pt, Catalina Harbor Comment
  RSA478886  Salicornia virginica G. J. Hollenberg 1928-7-10 s.n. Los Angeles Venice, marsh back of sand dunes. Comment
  POM320017  Salix M. A. Clauser 1965-3-17 123 Los Angeles Evey Canyon. San Gabriel mtn range, Pacific slope drainage area. 762 Comment
  CAS-BOT-BC103153  Salix bonplandiana Le Roy Abrams 1901-4-5 1362 Los Angeles San Fernando Mts. near Chatsworth Park Comment
  CAS-BOT-BC103165  Salix bonplandiana Grant 1903-1-1 1623 Los Angeles Garvanza Comment
  POM179497  Salix exigua I. M. Johnston 1918-7-5 2087 Los Angeles Near head of San Antonio Canyon. 2287 Comment
  SBBG58882  Salix exigua C. W. Sharsmith 1932-7-17 13 Los Angeles lower San Gabriel Cyn, ca. 9.5 km above Azusa 300 Comment
  UCR176959  Salix gooddingii L. C. Wheeler 1967-5-2 9280 Los Angeles Liebre Mtns, N side foothills, c. 0.3 mi. west of Los Angeles Aqueduct, just south of San Clarito Hospital. 'Baker Ranch' on Los Angeles Co. firearms closure map 396 Comment
  RSA233608  Salix laevigata Robert F. Thorne 1970-3-6 39385 Los Angeles Santa Catalina Island: Ben Weston Beach (Mills Landing). 2 Comment
  RSA584022  Salix laevigata Tim S. Ross, Steve D. Boyd 1990-5-29 2709 Los Angeles San Gabriel Mtns: Big Rock Creek. Empty, gutted cabin on E side of riparian strip, just upstream from the Gaging Station. 1236 Comment
  UC471647  Salix laevigata F. R. Fosberg 1931-5-6 S 4793 Los Angeles Cape Canyon Santa Catalina Isl., Cape Canyon 220 Comment
  RSA729946  Salix lasiolepis R. G. Swinney 1999-6-28 7431 Los Angeles East Fork of Puzzle Canyon Canyon. near old homesite at 2800 Deep Creek County Rd. 1402 Comment
  SBBG57865  Salix lasiolepis F. R. Fosberg 1931-10-23 5852 Los Angeles Agoura Comment
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Apr 2 2014
  SD124467  Salix lasiolepis Barry Prigge 1986-3-20 6953 Los Angeles Santa Monica Mountains; Triunfo Canyon. Kanan Road and Triunfo Creek 235 Comment
  SDSU9451  Salix lasiolepis unknown 1949-2-14 Los Angeles Lasca - north end of lake. Comment
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Apr 29 2015
  UCR150461  Salix lasiolepis R. G. Swinney 1999-6-21 7356 Los Angeles San Gabriel Mtns., spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  RSA0038294  Salix lasiolepis Carl W. Sharsmith 1932-1-17 Los Angeles Lower San Gabriel Canyon, About 9.5 km. above Azusa. 300 Comment
  SEINET12512726  Salix lasiolepis Unknown 1896-1 s.n. Los Angeles Avalon, Santa Catalina Island;Channel Islands;;; Comment
  CAS-BOT-BC107554  Salix lasiolepis var. lasiolepis F. R. Fosberg 1931-10-23 5852 Los Angeles Agoura (Picture City), Santa Monica Mountains Comment
  UCR208239  Salix scouleriana I. M. Johnston 1917-8-22 1683 Los Angeles Transverse Ranges; San Gabriel Mtns, Pine Mountain 2591 Comment
  CAS-BOT-BC126298  Salix sessilifolia C. R. Ball; B. S. Ball 1933-7-6 2526 Los Angeles Along ditch on Highway 199, near Gorman, San Gabriel Mts. Comment
  CAS-BOT-BC180750  Salsola tragus Cecil Hart 1921-7-1 s.n. Los Angeles Howard & Smith's Nursery, Montebello Comment
  UC1136476  Salsola tragus H. S. Yates 1936-8-28 6354 Los Angeles 3 mi. w. Lancaster; Elizabeth Lake Quad. Comment
  CAS-BOT-BC180706  Salsola tragus John Thomas Howell 1952-10-26 28876 Los Angeles Vacant lot, Palmdale Comment
  RSA0115266  Saltugilia grinnellii subsp. grantii Richard G. Swinney 2010-6-8 13228 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 100-300m south of Placerita Cyn. in Los Pinetos Cyn. 573 Comment
  RSA729750  Saltugilia grinnellii subsp. grinnellii R. G. Swinney 1999-7-5 7529 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
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Jun 23 2009
  RSA71793  Saltugilia splendens subsp. grantii F. W. Peirson 1927-6-14 7345 Los Angeles San Antonio Canyon, San Gabriel Mountains. 823 Comment
  RSA424322  Salvia apiana William Emboden 1970-6-12 27 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  RSA613094  Salvia apiana Erin Hewgley, Jeanne Gural 1997-4-18 18 Los Angeles Claremont: Bernard Field Station of the Claremont Colleges, located on the NW corner of Mills Avenue and Foothill Boulevard. West of main road, south of lake. 412 Comment
  UCR140964  Salvia apiana June Latting 1973-6-10 s.n. Los Angeles San Gabriel Mountains, Sycamore Flat campground, Big Rock Creek 1311 Comment
  RSA0085072  Salvia apiana Shlomo Gat 1959-5-22 52 Los Angeles San Dimas Canyon. Comment
  SEINET2066006 Image available Salvia carduacea Norman C. Cooper 1948-4-21 2695 Los Angeles Littlerock Reservoir 762 Comment
  RSA12384  Salvia carduacea Carl B. Wolf 1934-3-23 5586 Los Angeles Volunteer crop from RSABG wild flower field. Comment
  RSA401468  Salvia columbariae F. R. Fosberg 1931-4-23 S 4699 Los Angeles Santa Catalina Island: Cape Canyon 260 Comment
  UCR200029  Salvia columbariae Valerie Soza, Susan Caplow 2003-4-11 1625 Los Angeles Transverse Ranges; Verdugo Mountains, Brand Park, just south of junction of Brand Park Motorway and Verdugo Motorway, alongside Brand Park Motorway 793 Comment
  RSA729870  Salvia dorrii var. pilosa R. G. Swinney 1999-6-5 7245 Los Angeles San Gabriel Mtns.: east side of Big John Peak, west of Mescal Creek above Big John Flat. 1780 Comment
  CAS-BOT-BC233668  Salvia leucophylla Louis C. Wheeler 1932-5-17 715 Los Angeles Garapito Creek, Santa Monica Mountains 304 Comment
  UCR143467  Salvia leucophylla B. C. Templeton 1930-6-17 1091 Los Angeles Western Transverse Range; Santa Monica Mtns., Frank's [=Franklin?] Canyon, north of Beverly Hills Comment
  CHSC790  Salvia mellifera E. Thomas 1940-3-10 Los Angeles Claremont. Comment
  POM50248  Salvia mellifera L. W. Nuttall 1920-5-11 s.n. Los Angeles Santa Catalina Island. Comment
  RSA0087038  Salvia mellifera R. G. Swinney 2010-4-1 12151 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  RSA0088258  Salvia mellifera R. G. Swinney 2010-5-25 12969 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA434123  Salvia mellifera W. P. Burger 1979-5-13 89 Los Angeles Hill across the street from the Greek Theater in Griffith Park 213 Comment
  SD21291  Salvia mellifera Norman E. Bilderback 1938-4-14 Los Angeles Catalina Island. Comment
  UCR259926  Salvia mellifera R. G. Swinney 2010-4-1 12151 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
  RSA477547  Sambucus mexicana T. Gertrude Williamson 1924-08 s.n. Los Angeles Catalina Island. Comment
  RSA631351  Sambucus mexicana L. C. Wheeler 1967-9-5 10693 Los Angeles Lupine Campground, Prairie Fork. 1982 Comment
  RSA0036168  Sambucus mexicana Serena Light 1966-5-31 s.n. Los Angeles San Rafael Hills. Comment
  OBI19614  Sambucus nigra subsp. caerulea Robert J. Rodin 1953-5-2 5812 Los Angeles Catalina Island. Behind White's Cove Comment
  UC1605465  Sanguisorba minor subsp. muricata Tim Ross 1993-4-22 6923 Los Angeles Middle Canyon sw part Santa Catalina Island (along old dirt road (no longer maintained) that ascends the ridge sw of Thompson Dam and drops to Bullrush Canyon); Santa Catalina South Quad., , Middle Cy 213 Comment
  RSA650887  Sanguisorba minor subsp. muricata Richard A. Goodfellow 1948-3-12 s.n. Los Angeles L.A. Stockyard in [their] experimental plot.. Comment
  CATA48  Sanicula arguta Mark L. Hoefs, A. Douglas Propst 1973-3-3 28 Los Angeles Santa Catalina Island: Upper Cottonwood Canyon, west of Mt. Black Jack, west exposure 365 Comment
  CATA583  Sanicula arguta Mark L. Hoefs 1991-4-7 1021 Los Angeles Santa Catalina Island: By main road south-east of Cottonwood Beach 131 Comment
  UC55208  Sanicula arguta H. P. Chandler 1897-3-25 Los Angeles San Dimas Comment
  RSA470983  Sanicula arguta Reid V. Moran 1941-2-17 579 Los Angeles San Clemente Island. Middle Ranch, East side of arroyo. 500 Comment
  RSA678895  Sanicula arguta Dylan Hannon 1996-4-21 s.n. Los Angeles San Clemente Island. Across the road from Stone Station. Comment
  RSA0104993  Sanicula crassicaulis R. G. Swinney 2011-3-18 14145 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail. 366 Comment
  UC1022477  Sanicula crassicaulis C. Ritchie Bell 1953-2-21 3 X480 Los Angeles 2.6 mi e of U.S. Highway 101 (in Alisos Canyon); Alisos Canyon Comment
  LA33038  Sanicula tuberosa Carl Epling; March 1925 6466 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  UCR99518  Sanicula tuberosa Steve Boyd, Lauren Raz 1997-5-6 9720 Los Angeles Liebre Mountains, San Francisquito Canyon, W side of canyon at E edge of Red Mtn ridge system, just north of confluence with Bee Canyon and 1.5 road mi. south of the Clearwater Canyon Truck Trail (6N24). 732 Comment
  RSA653339  Santolina chamaecyparissus Kelly Middleton, David Middleton 1988-5-8 39 Los Angeles [San Gabriel Mountains] Glendora Ridge Road, 5.7 miles west of Mt. Baldy Road intersection 1220 Comment
  UCR48958  Santolina chamaecyparissus A. C. Sanders 1987-7-22 7166 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  RSA0092528  Saponaria officinalis R. G. Swinney 2011-7-7 15463 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), central camp area. 1098 Comment
  UCR272963  Sarcodes sanguinea R. G. Swinney 2011-7-29 15588 Los Angeles San Gabriel Mountains, ridge immediately west of Lily Spring, c. 100 m. south of Hwy 2/ Angeles Crest Hwy, north slope of Mt. Hawkins 2317 Comment
  CATA608  Schismus arabicus Mark L. Hoefs 1991-4-8 1057 Los Angeles Santa Catalina Island: Upper Avalon Canyon, below Wrigley Memorial, near drainage channel 143 Comment
  CATA615  Schismus arabicus Mark L. Hoefs 1991-4-8 1065 Los Angeles Santa Catalina Island: Upper Avalon Canyon, below Wrigley Memorial, near drainage channel 143 Comment
  RSA0065636  Schismus arabicus LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6791 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  SBBG131739  Schismus arabicus S. A. Junak 1999-4-22 SCa 836 Los Angeles White's Landing, tent cabin area, YMCA Camp, just W of amphitheater 6 Comment
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Jul 28 2016
  CAS-BOT-BC243450  Schismus barbatus Steven R. Hill; Kate Kramer 2001-4-22 33346 Los Angeles Antelope Valley, east of California Poppy Reserve, north and south sides of Avenue I (Lancaster Road), 1.5 miles west of Munz RAnch Road, 2.6 miles west of junciton with 120th Street WEst, about 15 miles due northwest of Palmdale 804 Comment
  RSA724985  Schismus barbatus K. Dobry 1991-4-4 470 Los Angeles Elsmere Cyn. West San Gabriel Mts Comment
  RSA595176  Schoenoplectus acutus var. occidentalis L. C. Wheeler 1946-8-28 6271 Los Angeles San Gabriel Mountains. Caldwell Lake. 1569 Comment
  RSA612182  Scrophularia peregrina D. Zygielbaum 1997-3-17 8 Los Angeles Claremont, NW corner of Mills Avenue and Foothill Boulevard. 412 Comment
  CATA988  Scrophularia villosa Mark L. Hoefs 1994-5-21 1862 Los Angeles Santa Catalina Island: Near upper Renton Mine Road 252 Comment
  RSA156034  Scrophularia villosa Peter H. Raven 1962-5-22 17831 Los Angeles Santa Catalina Island, first canyon west of Lions Head Point. Comment
  SBBG13614  Scrophularia villosa P. H. Raven 1962-5-22 17831 Los Angeles first cyn W of Lions Head Pt Comment
  SD252382  Scrophularia villosa Steven A. Junak 1999-4-24 Sca 866 Los Angeles Santa Catalina Island: Below Empire Landing Road, N-facing slope. 415 Comment
  UCR255765  Scutellaria mexicana R. G. Swinney 2010-5-12 12709 Los Angeles San Gabriel Mountains/Mojave Desert, Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone 921 Comment
  SFV20144  Scutellaria siphocampyloides J. N. Hogue, L. H. Hogue, J. M. Wrublik 2000-6-2 154 .1 Los Angeles San Gabriel Mountains Near Mount Hillyer on USFS Road 3N17.2. 1800 Comment
  RSA4106  Scutellaria tuberosa L. R. Abrams 1901-4-3 1303 Los Angeles Santa Monica Mountains. Comment
  RSA651610  Secale cereale Harold Mosher 1948-5-4 s.n. Los Angeles On a farm near Littlerock. 2 miles W of Littlerock. 548 Comment
  RSA0081654  Sedum spathulifolium L. C. Wheeler 1932-7-2 908 Los Angeles San Dimas Canyon - Brown Flat trail 1 mi. from Flat. San Gabriel Mts. 1219 Comment
  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
  LA209609  Selaginella asprella Lawrence L. Kiefer; 1966-7-30 2296 Los Angeles San Gabriel Mountains, Twin Peaks Divide, along trail 1950 Comment
  UC399196  Selaginella bigelovii C. F. Millspaugh 1920-1-2 4502 Los Angeles road beyond Golf Links; Santa Catalina Isl. Comment
  SBBG62569  Senecio californicus R. Hoffmann 1931-5-3 Los Angeles lower Bouquet Cyn Comment
  HSC6103  Senecio flaccidus var. douglasii W. H. Kinch 1954-9-30 18 Los Angeles N of Claremont on the road to Mt. San Antonio 610 Comment
  POM304711  Senecio flaccidus var. douglasii Henry J. Ramsey, Ramsey 1937-7-12 185 Los Angeles North Craig Ave., Altadena Comment
  UC485567  Senecio flaccidus var. douglasii J. Grinnell 1903-6-27 Los Angeles Pasadena , Arroyo Seco (Arroyo Seco) Comment
  UCR273556  Senecio flaccidus var. douglasii R. G. Swinney 2011-5-10 14640 Los Angeles San Gabriel Mountains, Angeles Natl. Forest, 'Manzanita Mt.', at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center 629 Comment
  UCR95764  Senecio flaccidus var. douglasii Lauren Raz, Steve Boyd 1996-10-23 018 Los Angeles Liebre Mtns, Entrance to Ruby Canyon on FS Rd 6N24, 1/10 mi from junction with Lake Hughes Road 610 Comment
  SEINET11807273  Senecio flaccidus var. monoensis W. Knight, Knight, I.; Vale, J. 1985-1 5201 Los Angeles near Lebec along frontage road to Gorman Comment
  UCR194086  Senecio mikanioides A. C. Sanders, Dan S. Cooper 2008-1-11 34413 Los Angeles Western Transverse Range; Santa Monica Mtns., Franklin Canyon, just above Franklin Canyon Ranch on side of Lake Dr. 157 Comment
  UCR150705  Senecio vulgaris R. G. Swinney, Dave Larson 1999-5-15 7179 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  UCR73187  Senna didymobotrya Scott D. White 1992-10-9 940 Los Angeles Western Transverse Range; Santa Monica Mtns., Malibu, base of mtns., just north of Pacific Coast Hwy, extending as far E as Malibu Creek. Bounded by the Civic Center Road; terminates on the W in vicinity of Malibu School 30 Comment
  UCR146691  Sequoiadendron giganteum Scott D. White 2004-8-11 10719 Los Angeles San Gabriel Mtns, c. 8 air mi WNW of Wrightwood; east of Fenner Saddle Rd. on Pacific Crest trail 2195 Comment
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Jul 25 2018
  UCR205691  Sherardia arvensis A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36980 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  SBBG108894  Sibara filifolia S. A. Junak 1997-3-11 SCl 758 Los Angeles saddle on small ridge overlooking Pyramid Cove, ca. 0.25 mi SSE of Triangulation Pt Guds 152 Comment
  RSA477878  Silene gallica T. S. Clare 1929-3-28 s.n. Los Angeles Topanga Canyon. Comment
  SBBG31440  Silene gallica R. F. Thorne 1966-4-5 Los Angeles Cape Cyn 274 Comment
  LA103366  Silene gallica Barry A. Prigge; 1986-3-19 6926 Los Angeles Santa Monica Mountains, Leo Carrillo State Beach, 0.3 mi W of Mulholland Hwy on Pacific Coast Hwy 22 Comment
  RSA763526  Silene laciniata Doris Bowers 1957-6-22 168 Los Angeles Arroyo Seca, Pasadena 457 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
  RSA477932  Silene laciniata subsp. major Fordyce Grinnell Jr. 1910-6-22 1931 Los Angeles Switzers trail 1066 Comment
  SDSU12063  Silene laciniata subsp. major Jennifer Swenson, David Shaari 1995-5-2 2 V95A Los Angeles Off Encinal Canyon Rd. in Charmlee Regional Park, 1 mile on dirt road beyond park gate, before open meadow. 419 Comment
  RSA438864  Silene lemmonii George B. Grant 1906-6-15 1931 Los Angeles Summit of Mt. Wilson 1829 Comment
  UCR141862  Silene verecunda R. G. Swinney 1997-8-19 5826 Los Angeles Eastern San Gabriel Mountains, San Antonio Peak (= Lookout Mountain), about 100 m N of summit on ridge saddle. 1994 Comment
  RSA748495  Silene verecunda subsp. platyota Orlando Mistretta 1992-7-9 663 Los Angeles Transverse Ranges; San Gabriel Mountains region: Colby Creek Canyon Trail. Tujunga Ranger District. Comment
  RSA0115453  Silybum marianum R. G. Swinney 2010-5-25 12908 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA431763  Sisymbrium altissimum L. E. Hoffman 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles National Forest. Comment
  SFV12410  Sisymbrium altissimum D. L. Koutnik, V. Dawes 1978-4-7 306 Los Angeles Mojave Desert South of Pearblossom Highway at 47th Street East. 850 Comment
  UCR193716  Sisymbrium altissimum R. G. Swinney 1999-6-18 7293 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  SD252303  Sisymbrium altissimum Steven A. Junak 2000-3-30 Sca 1143 Los Angeles Santa Catalina Island: Campground at Little Harbor. 6 Comment
  POM293338  Sisymbrium officinale Lyman Benson 1947-4-18 12309 Los Angeles Claremont, Indian Hill. 427 Comment
  CHSC95807  Sisymbrium orientale LeRoy Gross; Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 703 Los Angeles Transverse Ranges: Verdugo Mountains Region; South side; Off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned Summer-Fall of 2002. By power pole next to road and on nearby slopes. 622 Comment
  RSA621257  Sisymbrium orientale L. C. Wheeler 1968-4-26 s.n. Los Angeles Saddle immediately east of Magic Mountain Comment
  RSA639098  Sisymbrium orientale L. C. Wheeler 1967-5-15 9561 Los Angeles East of Fremont Pass 579 Comment
  RSA674252  Sisymbrium orientale LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 703 Los Angeles South side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned in Summer-Fall of 2002. 622 Comment
  SEINET269283  Sisymbrium orientale Scott D. White, Chet McGaugh 1995-5-9 3016 Los Angeles E. edge of Santa Susana Mts W. of San Gabriel Mts. Sunshine Canyon Landfill property: W. of San Fernando Rd. and I-5 Fw 457 Comment
  UCR259065  Sisymbrium orientale R. G. Swinney 2010-3-14 11906 Los Angeles San Gabriel Mountains, Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road 447 Comment
  CATA1316  Sisymbrium orientale Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2408 Los Angeles Santa Catalina Island: White's Landing 3 Comment
  LA34247  Sisymbrium orientale Peter H. Raven; 1959-5-3 14082 Los Angeles Santa Monica Mountains, Mulholland Drive 1.3 mi. W of Laurel Canyon Blvd 350 Comment
  SD90125  Sisymbrium orientale Mary H. Ward 1973-3-26 157 Los Angeles Manhattan Beach Comment
  CATA387  Sisyrinchium bellum Mark L. Hoefs 1974-5-2 451 Los Angeles Santa Catalina Island: Above Parsons' Landing 60 Comment
  POM293480  Sisyrinchium bellum Lyman Benson 1945-5-11 11681 Los Angeles Indian Hill, Claremont. Pacific Slope Drainage Area. 396 Comment
  UC845129  Sisyrinchium bellum I. W. Clokey, E. G. Anderson 1935-5-9 6559 Los Angeles Puddingstone Reservoir Comment
  POM187773  Solanum americanum Thomas Craig 1933-10-9 2009 Los Angeles Soledad Canyon, about 8 miles west of Ravenna. 610 Comment
  RSA730753  Solanum americanum A. C. Sanders, Mark A. Elvin 2002-6-18 25115 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, farm area in valley along a wash, 1 mile SSW of Castaic Junction, west of Magic Mountain amusment park. 328 Comment
  RSA422408  Solanum douglasii Ruth E. Hammond 1929-04 s.n. Los Angeles Viewpark. Comment
  SDSU11165  Solanum douglasii R. M. Beauchamp 1967-3-17 243 Los Angeles Growing near rocks on slope east of Wilson Cove. San Clemente Island. Comment
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May 16 2008
  RSA703835  Solanum sarrachoides A. C. Sanders, Mark A. Elvin 2002-6-20 25217 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
  RSA0089145  Solanum umbelliferum R. G. Swinney 2010-3-24 12063 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  UC1125174  Solanum umbelliferum E. Armstrong 1934-4-1 1076 Los Angeles 10 mi w of Frazier Park (Santa Barbara National Forest); Santa Barbara National Forest 1524 Comment
  UCR241083  Solanum umbelliferum Jeremiah George 2012-5-15 s.n. Los Angeles Western Transverse Range/San Gabriel Mtns., Santa Clarita, Bee Canyon just north of Soledad Canyon Road, SE of Hwy 14, west side of wash 537 Comment
  SEINET6186050  Solanum umbelliferum R. W. Summers 1886-1 s.n. Los Angeles Santa Monica hills Comment
  HSC34772  Solanum xanti R. E. Cooksey 1972-4-18 39 Los Angeles San Gabriel Mtns., San Dimas Canyon, 6.2-7 mi. from Hwy. 66 and San Dimas Rd. 564 Comment
  UCD127057  Solanum xanti Geoffrey Levin 1974-4-27 50 Los Angeles San Gabriel Mts. Evey Canyon, a side canyon of San Antonio Canyon. 731 Comment
  RSA736235  Solanum xanti var. xanti Scott D. White, Justin M. Wood 2008-5-7 11940 Los Angeles Puente / Chino Hills: SCE powerline corridor, E of 57 freeway and S of Diamond Bar. 213 Comment
  CAS-BOT-BC365313  Solidago confinis Louis C. Wheeler 1966-10-1 8951 Los Angeles San Gabriel Mountains; Colby Ranch 1097 Comment
  UCR24170  Soliva sessilis Alfred R. Roos 1958-5-16 s.n. Los Angeles City of Los Angeles, lawn of the Ambassador Hotel, [3400] Wilshire Blvd. 69 Comment
  SBBG31292  Sonchus asper R. F. Thorne with P. C. Everett 1965-6-23 35010 Los Angeles lower part of Hamilton Cyn 60 Comment
  UCR270065  Sonchus asper R. G. Swinney 2010-5-12 12722 Los Angeles San Gabriel Mountains, Barrell Springs Road at jct. with 42nd St. East, on SW side of road from 30 to 150 meters west of 42nd, NE side of Palmdale Ditch, San Andreas Rift Zone 921 Comment
  CATA1249  Sonchus oleraceus Mark L. Hoefs, Phil Hartman, Bret Marin 1995-1-27 2329 Los Angeles Santa Catalina Island: Ballast Point at Catalina Harbor 2 Comment
  RSA533523  Sonchus oleraceus Timothy S. Ross 1991-3-9 4172 Los Angeles Whittier Hills (Puente Hills, pro parte): seepage ca 300 ft SW of Colima Rd x Camino del Sur. 213 Comment
  RSA599685  Sonchus oleraceus Steve Boyd, Lauren Raz 1997-5-6 9704 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  SBBG12614  Sonchus oleraceus P. H. Raven 1962-4-9 17139 Los Angeles near barracks, Wilson Cove 60 Comment
  LA32075  Sonchus oleraceus Peter H. Raven; Henry J. Thompson 1959-9-18 Los Angeles Campus of University of California at Los Angeles 129 Comment
  POM6198  Sonchus oleraceus N. R. Shaw 1900-6-11 s.n. Los Angeles Claremont. 365 Comment
  SFV16833  Sonchus oleraceus K. Tajbakhsh 1996-4-13 25 Los Angeles California Channel Islands Catalina Island. Fisherman's Bay. Outside of USC Marine Research Station gates. Comment
  UCD136160  Sonchus oleraceus Gary D. Cromwell; David W. Wheat 1971-5-14 653 Los Angeles west-facing slope above middle part of canyon. Mystic Canyon, Angeles National Forest, San Gabriel Mountains. 2 miles northeast of Glendora. 548 Comment
  RSA651606  Sorghum halepense R. Danborn 1948-2-20 s.n. Los Angeles Claremont city limits. Comment
  UCR213427  Spergula arvensis A. C. Sanders, Dan S. Cooper 2010-3-12 37327 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA602077  Spergula arvensis L. C. Wheeler 1946-7-9 6220 Los Angeles San Gabriel: Garibaldi Avenue and San Gabriel Boulevard. Comment
  RSA0097926  Spergularia bocconi James Henrickson 1973-6-15 10719 Los Angeles City of Long Beach; along beach near Long Beach Arena. 3 Comment
  RSA0098395  Spergularia macrotheca F. R. Fosberg 1931-5-22 S 4969 Los Angeles Isthmus Harbor, Santa Catalina Island. Comment