Search Results — 2000 specimen records retrieved (1584 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/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC7618  Abronia J. H. Barber 1897-1-23 26 Los Angeles So. Santa Monica Comment
  SBBG128422  Abronia maritima M. L. Hoefs 1995-5-30 2151 Los Angeles Ben Weston Beach 4 Comment
  SBBG31016  Abronia maritima R. F. Thorne with P. C. Everett 1965-5-11 34564 Los Angeles N beach of Little Harbor 1 Comment
  UC7623  Abronia pogonantha J. Burtt Davy May 9 1896-May 24 1896 2214 Los Angeles Antelope Valley Comment
  NY679483  Abronia umbellata L. T. Chamberlain 1899-1 s.n. Los Angeles Comment
  RSA460983  Abronia umbellata Tisdale 1929-4-15 s.n. Los Angeles Sand Dunes El Segundo Comment
  POM184073  Abronia umbellata subsp. umbellata P. A. Munz 1932-8-31 12814 Los Angeles Back beach, Playa del Rey. Comment
  RSA651446  Acacia paradoxa Robert E. Boyles 1948-1-18 s.n. Los Angeles San Dimas Park. 304 Comment
  RSA409463  Acanthomintha obovata subsp. cordata E. L. Adams 1924-1 s.n. Los Angeles Near Liebre, Ridge Route. Comment
Read comments
May 12 2014
  RSA799902  Acer macrophyllum Michelle Terrazino, Monica Rodriguez, Naomi S. Fraga 2013-7-23 9 Los Angeles Glendora Ridge Road. 1312 Comment
  UC870077  Acer macrophyllum K. Kneen 1933-4-29 Los Angeles Topanga Canyon Comment
  UCR150383  Acer negundo subsp. californicum D. E. Bramlet 1999-11-16 2827 Los Angeles Foot of San Gabriel Mtns, Old meander of San Jose Creek: 46 m east of Valley Blvd. and 1 km N of Grand Ave.; 30 m west of the existing San Jose Creek flood control channel 189 Comment
  RSA603071  Acer negundo var. californicum E. Lloyd 1933-3-5 s.n. Los Angeles Topanga Canyon. Comment
  UCR129695  Acer negundo var. californicum E. Lloyd 1933-3-5 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Topanga Canyon 244 Comment
  UCR124479  Achillea millefolium B. C. Templeton 1932-7-20 5003 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  OBI69322  Achillea millefolium John Knapp, Denise Knapp 2003-5-11 70 Los Angeles Catalina Island: 363562.47 x 3701217.74E 8 Comment
  RSA0035184  Achillea millefolium var. californica James S. Burns 1992-5-11 27 Los Angeles 1.5 miles west on Rincon fire road from east access, Angeles National Forest. 762 Comment
  CAS-BOT-BC211913  Achnatherum coronatum Alice Eastwood 1906-5-27 230 Los Angeles Roscoe Comment
  SEINET255877  Achnatherum occidentale Mary E. Barkworth, LR Firestone 1982-8-26 4085 Los Angeles Angeles National Forest ; Campground on Cal 2 2240 Comment
  RSA585434  Achnatherum speciosum Timothy S. Ross, Steve Boyd 1990-5-31 2728 Los Angeles Ridge descending northward from Mt Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  RSA592279  Achnatherum speciosum L. C. Wheeler 1967-5-9 9402 Los Angeles Gleason Canyon, south of Aliso Canyon. 1006 Comment
  RSA713722  Achnatherum speciosum LeRoy Gross 2005-4-28 2142 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Than dropped off ridge into canyon bottom back to origin. 1235 Comment
  UCD104574  Acmispon P. B. Kennedy 1928-3-28 s.n. Los Angeles Canyon by Golf Sinks, Avalon, Santa Catalina Island. Comment
  UCD103879  Acmispon americanus var. americanus L. W. Nuttall 1920-7-15 610 Los Angeles Grand Canyon, Santa Catalina Island. Comment
  CAS-BOT-BC204755  Acmispon argophyllus var. argenteus R. M. Beauchamp 1967-1-27 110 Los Angeles East of Wilson Cove area. San Clemente Island Comment
  CAS-BOT-BC204769  Acmispon argophyllus var. argenteus Carl B. Wolf 1932-5-10 3530 Los Angeles Santa Catalina Island. Summit of the equestrian trail, back of Avalon 304 Comment
  CATA715  Acmispon argophyllus var. argenteus Mark L. Hoefs 1991-5-3 1215 Los Angeles Santa Catalina Island: Above road on north-west side of Descanso Canyon, near entry to Hamilton Cove 79 Comment
  CATA1463  Acmispon dendroideus var. dendroideus Mark L. Hoefs, Robert F. Thorne 1996-4-6 2648 Los Angeles Santa Catalina Island: Renton Mine Road 243 Comment
  RSA0115856  Acmispon grandiflorus Steven A. Junak 1999-5-6 SCa- 883 Los Angeles Santa Catalina Island. Parsons Landing, at W end of beach, mouth of creek. 3 Comment
  SD37797  Acmispon maritimus Edith A. Purer 1931-5-8 2050 B Los Angeles Griffith Park, bare chaparral slope Comment
  SBBG44394  Acmispon maritimus var. maritimus S. A. Junak with M. L. Hoefs, K. Kirkland 1998-5-2 SCa 641 Los Angeles S of rd to East Pk, on ridge SW of Pk 1245, ca. 0.9 air mi WNW of East Pk 256 Comment
  SBBG68161  Acmispon procumbens var. procumbens R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  SBBG125783  Acmispon wrangelianus A. Parikh, N. Gale 2010-6-8 3269 Los Angeles Sierra Pelona, NW of Vincent and Soledad Pass, 3.4 km NW of State Hwy 14; E Liebre Mtns 1185 Comment
  UCD104502  Acmispon wrangelianus Geoffrey Levin 1974-4-27 52 Los Angeles Evey Canyon, a side canyon of San Antonio Canyon. San Gabriel Mts. Mt. Range. 731 Comment
  JEPS9161  Acourtia microcephala Frank W. Peirson 1919-7-1 520 Los Angeles Fish Canyon; San Gabriel Mountains 457 Comment
  UC831516  Acourtia microcephala Ira W. Clokey, B. Templeton 1929-6-18 4582 Los Angeles Mandeville Canyon; Santa Monica Mountains 250 Comment
  UC485227  Acourtia microcephala J. Grinnell 1903-7-3 Los Angeles Arroyo Seco Pasadena Comment
Read comments
Jul 24 2012
  CAS-BOT-BC133185  Adenostoma fasciculatum W. R. Dudley 1899-7-22 s.n. Los Angeles Mt. Lowe, San Gabriel Mts. Comment
  UCR178369  Adenostoma fasciculatum LeRoy Gross 2003-3-7 760 Los Angeles Transverse Ranges, Verdugo Mountains, northwest side. Verdugo Crestline Dr. (fire road) just north of the 210 freeway. Sunland, off of Newhome Avenue, near west side at Topley Lane 555 Comment
  UCR223914  Adenostoma fasciculatum R. G. Swinney 2009-6-24 11279 Los Angeles Transverse Range; San Gabriel Mtns., summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1926 Comment
  RSA390562  Adenostoma fasciculatum var. fasciculatum Fordyce Griffiths Jr. 1910-06 s.n. Los Angeles Long Canyon, San Gabriel Mountains. Comment
  SD261014  Adenostoma fasciculatum var. fasciculatum R. G. Swinney 2011-5-31 14933 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek (Chilao Flat 7.5'Q) Station Fire burn of 2009 1096 Comment
  RSA0022053  Adiantum capillus-veneris R. G. Swinney, Jane Strong 2009-4-7 10306 Los Angeles San Antonio Canyon, 2.4 miles north of Shinn Rd. 1073 Comment
  RSA687666  Adiantum capillus-veneris F. R. Fosberg 1931-4-24 R 94 Los Angeles Santa Catalina Island. Hamilton Canyon near Avalon. 50 Comment
  UCR150630  Adiantum capillus-veneris Scott D. White 1997-5-8 5078 Los Angeles San Gabriel Mtns, San Gabriel River Canyon, N of Azusa. Canyon bottom and adjacent slopes below Morris Dam 305 Comment
  LA82523  Adiantum jordanii O. H. Kappler; 1941-2-9 80 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UC625085  Adiantum jordanii F. R. Fosberg 1931-3-23 R 79 Los Angeles Hamilton Canyon; Santa Catalina Isl 30 Comment
  UC811132  Adiantum jordanii I. W. Clokey and E. G. Anderson 1935-5-9 6505 Los Angeles San Dimas Canyon Comment
  RSA651158  Adiantum jordanii Robert Lindgren 1948-2-14 s.n. Los Angeles Base Clef Farm, San Dimas. Comment
  RSA747046  Ageratina adenophora R. G. Swinney 2008-4-11 8661 Los Angeles San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  SFV21846  Ageratina adenophora J. D. Dilley 1997-3-29 151 Los Angeles Santa Monica Mountains Studio City. Beatty Dearing Trail, beginning on Mulholland Drive, 0.5 miles west of Laurel Canyon. 245 Comment
  UCD128538  Ageratina adenophora A. C. Sanders; Mark A. Elvin 2003-5-14 25748 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Avenue and south of Foothill Blvd, north edge of 210 Fwy was of San Gabriel River channel. 520 Comment
  UCR105964  Ageratina adenophora L. C. Wheeler 1968-10-1 s.n. Los Angeles Verdugo Mtns., La Tuna Canyon Road, 1.5 mi. west of Tujunga Canyon Road, 1 mile west of powerline and 0.9 mile west of summit 494 Comment
  RSA606168  Ageratina adenophora Louis C. Wheeler 1969-12-6 s.n. Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, west side along Mt. Wilson Trail. 838 Comment
  UCR192042  Agoseris heterophylla A. C. Sanders 2008-4-17 34945 Los Angeles Transverse Range, hills 1.5 mi. SW of Neenach School, c. 1.5 mi. west of Pine Canyon 976 Comment
  UCR192852  Agoseris retrorsa R. G. Swinney 1998-7-14 6447 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, 0.8 mi. west of Camp Lupine trail 2262 Comment
  CAS-BOT-BC162048  Agrostis Roxana S. Ferris 1918-6-12 921 Los Angeles In marsh near Lancaster. Comment
  CAS-BOT-BC127233  Agrostis exarata I. M. Johnston 1917-7-28 1510 Los Angeles San Antonio Mountains. North Fork San Antonio Canyon (Old Gold Ridge Mine). 2438 Comment
  RSA731068  Agrostis exarata Gary D. Wallace 1979-4-23 1833 Los Angeles Mojave Desert west of Palmdale along Munz Ranch Road. Comment
  UCR209536  Agrostis exarata R. G. Swinney 2008-7-2 9134 Los Angeles San Gabriel Mtns., north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
  SEINET4044471  Agrostis pallens D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains, near Kanan-Dume Road. 182 Comment
  UC1584339  Albizia lophantha Steve Morgan 1991-3-3 Los Angeles San Dimas; sw corner of San Dimas Ave. and Arrow Hwy Comment
  RSA0095246  Allium burlewii R. G. Swinney 2011-6-7 15024 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
  UCR189272  Allium fimbriatum R. G. Swinney 1998-5-16 6084 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  RSA550284  Allium fimbriatum var. fimbriatum Walter Wisura, G. Perez 1992-5-19 4778 Los Angeles 1 mi. W of Largo Vista Rd. Comment
  RSA724647  Allium haematochiton K. Dobry 1991-5-2 562 Los Angeles West San Gabriel Mts at Elsmere Cyn 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
  UCR253915  Allium lacunosum var. davisiae Mitch Provance 2010-5-6 0510- 07 Los Angeles Transverse Range/Mojave Desert, Tejon Ranch, c. 1.5 miles west of Neenach and 0.5 mi. SW of Hwy 138 crossing of Pacific Crest Trail 960 Comment
  RSA787531  Allium monticola Jane Tirrell 2012-6-4 LS 0058 Los Angeles Ridge above (south) Pacific Crest Trail approximately 0.75 miles west of Mt Hawkins 2566 Comment
  RSA79253  Allium monticola G. R. Campbell 1952-6-28 17293 Los Angeles South slope of Mt. San Antonio (Baldy); San Gabriel Mts. 2744 Comment
  SDSU11552  Allium praecox R. M. Beauchamp 1967-3-19 306 Los Angeles San Clemente Island Growing on east rim of canyon south of Wilson Cove Pier. Comment
  UCR194074  Allophyllum divaricatum R. G. Swinney, Dave Larson 1999-5-29 7213 Los Angeles San Gabriel Mtns., San Dimas Canyon, main fork c. 100 m north of confluence with Wolfskill Canyon 537 Comment
  SBBG125524  Allophyllum gilioides subsp. violaceum A. Parikh, N. Gale 2010-6-15 3289 Los Angeles upper Big Tujunga Cyn, 0.2 km ENE of Shortcut Station, 0.7 km N of St Hwy 2, San Gabriel Mtns 1305 Comment
  CATA3085  Allophyllum glutinosum Amy Catalano 2016-4-26 084 Los Angeles Santa Catalina Island: Stage Road, about 200 feet down from Wishbone Loop 239 Comment
  SD7933  Alnus oblongifolia J. C. Nevin Unknown Los Angeles Los Angeles Comment
  LA204078  Alnus rhombifolia Carl Clawson Epling; 1925-1-10 6424 Los Angeles San Gabriel Mountains, San Dimas Canyon Comment
  RSA452783  Alnus rhombifolia Ora M. Clark 1929-2-3 1508 Los Angeles Topango [Topanga] Canyon Comment
Read comments
May 29 2014
  RSA91296  Alnus rhombifolia F. W. Peirson 1924-8-23 5047 Los Angeles west fork of San Gabriel River 411 Comment
  RSA0019767  Amaranthus albus Orlando Mistretta, Christine Mistretta 2011-7-1 5890 Los Angeles North Fork Mill Creek, along Forest Road 3N27. 1524 Comment
  RSA402949  Amaranthus albus F. R. Fosberg 1930-6-26 S- 3112 Los Angeles Lower Ballona Creek. 10 Comment
  RSA630746  Amaranthus albus LeRoy Gross 1999-10-3 166 Los Angeles Southern base,San Gabriel Mountains: Big Tujunga Wash, east of 210 freeway, city of Sunland. 365 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
  LA31575  Amaranthus powellii Peter H. Raven; 1959-10-25 14707 Los Angeles 60 Comment
  RSA70009  Amaranthus retroflexus F. W. Peirson 1951-1 1842 Los Angeles Altadena. Comment
  RSA3744  Amblyopappus pusillus C. B. Wolf 1932-5-11 3569 Los Angeles Santa Catalina Island. On point at west side of Fourth of July Cove. Comment
  SBBG52924  Amblyopappus pusillus F. C. Boutin 1967-4-23 1619 Los Angeles terrace above ocean between main airstrip and Wilson Cove Comment
  POM122294  Amblyopappus pusillus Marcus E. Jones 1926-9-9 s.n. Los Angeles San Clemente Island. Comment
  UCD128715  Ambrosia acanthicarpa Daryl Koutnik 1978-4-21 411 Los Angeles Glendale at east end of Glenoaks Avenue, near Scholl Canyon Park. 304 Comment
  OBI40391  Ambrosia artemisiifolia Oscar F. Clarke 1970-8-5 s.n. Los Angeles Home of Judy Owen, 8841 Quakertown Ave, Northridge Comment
  RSA3579  Ambrosia chamissonis C. B. Wolf 1932-5-12 3954 Los Angeles Little Harbor, Santa Catalina Island. 3 Comment
  SBBG98463  Ambrosia chamissonis T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5078 Los Angeles lower Wilson Cove Cyn, just above shoreline near pier operations 6 Comment
  UCR24357  Ambrosia confertiflora John C. Roos 1942-10-10 1722 Los Angeles Westwood Village, Malcolm Ave. and Santa Monica Blvd. 98 Comment
  SD143585  Ambrosia dumosa R. D. Goeden, D. W. Ricker 1970-4-30 Los Angeles Mojave Desert, ca. 7.5 miles southeast of Llano, southwest side of State Highway 138, 1.8 miles southeast of Pearblossom Highway 1073 Comment
  LA31631  Ambrosia psilostachya Peter H. Raven; Henry J. Thompson 1959-9-6 14381 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek, near mouth. 12 Comment
  LA91103  Ambrosia psilostachya T. A. Geissman; 1970-8-14 TAG 14870 MD Los Angeles Santa Monica Mountains, Mulholland Dr. at San Diego Frwy 365 Comment
  CAS-BOT-BC45016  Ambrosia psilostachya Peter H. Raven; Henry J. Thompson 1959-10-18 14674 Los Angeles Near mouth of Malibu Creek on north arm of Malibu Lake. 220 Comment
  UCD128877  Ambrosia salsola Geoffrey Levin 1975-5-17 514 Los Angeles 1.5 miles east on State 138 from junction with State 18 near Pinyon Hills. Mohave River drainage area. 1158 Comment
  POM2593  Amelanchier utahensis I. M. Johnston 1917-8-22 1711 Los Angeles Prarie Fork of San Gabriel River, San Antonio Mountains. 2134 Comment
  UCR219401  Amsinckia intermedia R. G. Swinney 2009-3-25 10159 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 549 Comment
  LA40186  Amsinckia menziesii A. M. Johnson; 1933-4-18 sn Los Angeles U.C.L.A. Botanical Garden Comment
  RSA611397  Amsinckia menziesii var. menziesii L. C. Wheeler 1933-4-1 1580 Los Angeles Red Hill, Upland. 427 Comment
  SBBG118435  Amsinckia menziesii var. menziesii J. Henrickson 1979-4-18 17819 Los Angeles just N of Valencia, E of Interstate 5, between McBean Parkway and Valencia Parkway, E of College-of-Canyons 362 Comment
  RSA0108838  Amsinckia tessellata R. G. Swinney 2010-5-21 12883 Los Angeles San Gabriel Mountains: unnamed ridgetop (summit 4322 ft), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. Angeles Forest Hwy. and Mt. Emma Rd. 1299 Comment
  RSA499931  Amsinckia tessellata var. tessellata Robert Gustafson 1978-5-2 887 Los Angeles Dirt road leading into Hungry Valley .1 mile from the junction with the 2-lane paved Peace Valley Rd., west of Gorman. 1249 Comment
  RSA465129  Anagallis arvensis F. R. Fosberg 1931-4-1 S 4433 Los Angeles Hamilton Canyon, near Avalon, Santa Catalina Island. 60 Comment
  RSA599189  Anagallis arvensis Scott D. White 1997-3-12 4739 Los Angeles Zuma Beach; mouth of Zuma Creek, E end of the County Beach. 8 Comment
  UCR271894  Anagallis arvensis R. G. Swinney 2010-5-7 12593 Los Angeles San Gabriel Mountains, Lake View Terrace, Oliver Canyon, 0.85 air miles north of I-210 Fwy., c. 100 meters east of cyn. bottom along private dirt service rd. 463 Comment
  RSA465143  Anagallis arvensis Louis C. Wheeler 1934-4-27 2567 Los Angeles Marshall Creek (La Verne Quad.) 488 Comment
  SBBG63205  Ancistrocarphus filagineus R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  UC2026504  Andropogon glomeratus var. scabriglumis Louis C. Wheeler Oct 1949 6755 Los Angeles SAN GABRIEL MOUNTAINS: North Fork San Gabriel River, near Bichota Canyon.. Comment
  UCR142741  Andropogon glomeratus var. scabriglumis L. C. Wheeler 1972-4-9 s.n. Los Angeles San Gabriel Mtns., San Gabriel Mountains: Arroyo Seco, Angeles Crest Highway c. 0.25 mile ESE Colby Canyon 1098 Comment
  UCR257047  Androsace elongata subsp. acuta Mitch Provance 2010-5-4 0510- 44 Los Angeles Tehachapi Mtns., ridgeline overlooking Hwy I-5 about 1.3 miles ENE of Gorman 1390 Comment
  RSA0116124  Antirrhinum coulterianum R. G. Swinney 2010-6-1 13166 Los Angeles San Gabriel Mountains; Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  UCR127059  Antirrhinum coulterianum Mark A. Elvin, Cathleen Weigand 2003-4-8 2459 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, ridge between Hasley and Castaic Creeks 351 Comment
  POM125866  Antirrhinum kelloggii C. F. Baker 1904-4-22 4172 Los Angeles Monrovia. Comment
  POM354860  Antirrhinum multiflorum Fordyce Griffiths Jr. 1910-6-20 3374 Los Angeles Head of Long Canyon, San Gabriel Mts. 1296 Comment
  POM4242  Antirrhinum multiflorum Unspecified 1898-5-9 s.n. Los Angeles Soma Canon Comment
  RSA714521  Aphanisma blitoides A. C. Sanders 2005-4-8 29323 Los Angeles South Coast: Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente. 2 Comment
  UCR153562  Apiastrum angustifolium A. C. Sanders, T. B. Salvato 2005-4-26 29726 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, spur at NE end of Cruzan Mesa, south of Vasquez Canyon road, near powerlines 610 Comment
  UC1228854  Apiastrum angustifolium Peter H. Raven 1962-5-9 17665 Los Angeles San Clemente Island, at s end of Mosquito Cove Mosquito Cove; San Clemente Island, Mosquito Cove 320 Comment
  UC22888  Apocynum cannabinum J. H. Barber 1897-7-1 235 Los Angeles Bear Canyon Comment
  RSA167821  Aptenia cordifolia R. F. Thorne, P. C. Everett 1964-2-7 33454 Los Angeles Weed at lower end of Pebbly Beach Canyon at base of building, E end of Santa Catalina Island. 76 Comment
  SD129269  Aptenia cordifolia A. C. Sanders 1987-12-4 7448 Los Angeles El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Dr 29 Comment
  UCR123248  Aptenia cordifolia A. C. Sanders, Mark Elvin, , Cathleen Weigand, M. S. Enright, Julie M. Vanderwier 2002-8-8 25568 Los Angeles Santa Clara River Valley, north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur 274 Comment
  RSA585410  Arabis pulchra var. pulchra Timothy S. Ross, Orlando Mistretta, Peter Fritsch 1990-5-29 2695 Los Angeles SE edge of Valyermo: along NE side of Valyermo Rd, then S of the road 1137 Comment
  UCR138504  Arabis sparsiflora var. arcuata L. C. Wheeler 1970-6-28 s.n. Los Angeles San Gabriel Mtns., Little Fish Fork, Fish Fork Camp 2012 Comment
  RSA595690  Arbutus menziesii L. C. Wheeler 1970-1-4 s.n. Los Angeles San Gabriel Mountains. East fork Santa Anita Canyon, Madrone Flat. 883 Comment
  CAS-BOT-BC102202  Arctium lappa John Thomas Howell 1927-6-30 2634 Los Angeles Sandy hills at eastern city limit of Long Beach 30 Comment
  SBBG37682  Arctostaphylos catalinae R. Moran 1941-2-28 651 Los Angeles head of Johnson's Cyn 400 Comment
Read comments
Mar 14 2012
  RSA626825  Arctostaphylos glandulosa Allen Massihi, Jon E. Keeley 1992-6-30 15861 Los Angeles Highway 39, 1 km northwest of Crystal Lake Recreation. 1700 Comment
  UC1120280  Arctostaphylos glandulosa subsp. mollis P. L. Johannsen 1934-2-19 293 Los Angeles ne San Fernando Pass; Santa Susana Quadrangle Comment
  RSA631212  Arctostaphylos glandulosa var. cushingiana Jon E. Keeley, Melanie Baer Keeley 1992-10-11 21974 Los Angeles Liebre Mountains, 1.5 km east of Bear Campground. 1700 Comment
  CAS-BOT-BC39340  Arctostaphylos glauca John H. Thomas 1957-3-7 6492 Los Angeles South slope of San Gabriel Mts., near State Highway #2, Angeles Crest Highway, about 3.5 miles north of La Canada. 914 Comment
  RSA367292  Arctostaphylos glauca C. R. Parks 1963-2-16 150 Los Angeles along southern slope on upper Bear Creek Trail just west of Crystal Lake, 12 miles north of Azusa. 1372 Comment
  RSA631421  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15984 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA631624  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-27 15777 Los Angeles Santa Clara Divide Road (3N17), 6-7 km off Sand Canyon Road. 1000 Comment
  RSA631696  Arctostaphylos glauca Arthur R. Kruckeberg 1940-1-21 466 Los Angeles Strawberry Peak. Comment
  RSA652403  Arctostaphylos glauca Stephen Hill 1981-2-27 25 Los Angeles Hwy. 39 1.2 miles N. of Coldbrook station on E. side of Hwy. Comment
  UC21827  Arctostaphylos glauca W. H. Brewer Jan. 1861 109 Los Angeles San Gabriel Comment
  CAS-BOT-BC46775  Arctostaphylos parryana Walter Knight; Irja Knight 1988-11-24 6465 Los Angeles Between Big Pines and Wrightwood. 1950 Comment
  RSA634693  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20341 Los Angeles Road to Mt. Gleason, 5.3 km west of Mill Creek Summit, San Gabriel Mtns. 1670 Comment
  RSA634792  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20662 Los Angeles 7 km NW of Chilao Cpgrd., San Gabriel Mtns. 1790 Comment
  SEINET8729966 Image available Arctostaphylos tomentosa F. R. Fosberg 1931-1 S 4919 Los Angeles Head of Serains Canyon, foot of Black Jack Mt. Santa Catalina Island. Upper Sonaran Zone. 360 Comment
  UCR205928  Arenaria douglasii R. G. Swinney 2008-5-5 8774 Los Angeles San Gabriel Mtns., Punchbowl Canyon at north boundary of Devils Punchbowl County Park, confluence of East and West Forks of Punchbowl Cyn, 0.3 mi. south of Big Rock Creek 1256 Comment
  UCR276824  Arenaria macradenia R. G. Swinney 2010-5-21 12877 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
  RSA423599  Arenaria serpyllifolia Anstruther Davidson 1924-5-1 s.n. Los Angeles Tujunga Canyon. 854 Comment
  SBBG112868  Aristida adscensionis S. A. Junak 1998-7-17 SCa 789 Los Angeles just W of mouth of Silver Cyn, just inland from beach 12 Comment
  LA31680  Artemisia californica Peter H. Raven; Henry J. Thompson 1959-10-31 14727 Los Angeles Santa Monica Mountains, Mandeville Canyon, 2.7 mi N of Sunset Blvd 259 Comment
  OBI35535  Artemisia californica Rebecca Cicoria 1981-5-17 26 Los Angeles One mi from Crest Rd. down Purple Canyon, Rolling Hills Comment
  UCR212802  Artemisia californica Ellen Mackey, Alexia Mackey 2006-6-29 NFWF- 1751 Los Angeles Peninsular Ranges; Chino-Puente Hills, San Gabriel River Watershed, Turnbull Canyon, Turnbull Canyon Road 341 Comment
  CAS-BOT-BC90335  Artemisia douglasiana L. A. Greata 1900-9-10 s.n. Los Angeles River Bank, LA Comment
  CAS-BOT-BC93830  Artemisia dracunculus Ernest Braunton 1902-6-8 437 Los Angeles Ballona Comment
  RSA774798  Artemisia ludoviciana R. G. Swinney 2009-7-23 11394 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  SBBG42311  Artemisia nesiotica M. B. Dunkle 1939-4-5 7276 Los Angeles Pyramid Cove Comment
  CAS-BOT-BC97275  Artemisia tridentata subsp. parishii F. A. M. 1931-8-1 3196 Los Angeles Pacoima Wash Comment
  CAS-BOT-BC97336  Artemisia tridentata subsp. tridentata C. B. Wolf 1931-10-23 2493 Los Angeles Swartout Valley, 1 mile east of Wrightwood Lodge, San Gabriel Mts. 1828 Comment
  JEPS5093  Asclepias californica Frank W. Peirson 1923-5-26 3541 Los Angeles Rock Creek Divide 2011 Comment
  LA201860  Asclepias eriocarpa Arthur C. Gibson; 2003-5-31 4970 Los Angeles Santa Monica Mountains, Malibu Creek drainage, Mulholland Highway we of Calabasas and just E of Soka University Comment
  POM320290  Asclepias eriocarpa Greg Wright 1971-6-22 181 Los Angeles West of Roughrider Rd., southwest of Live Oak Canyon Dam, Northwest of Claremont 480 Comment
  RSA229736  Asclepias eriocarpa R. F. Thorne 1971-6-26 40599 Los Angeles Summit of Mt. Wilson 1738 Comment
  UCR94470  Asclepias vestita Orlando Mistretta, C. Mistretta 1995-5-2 1666 Los Angeles San Gabriel Mtns., Carr Canyon 1082 Comment
  RSA695392  Asparagus officinalis A. C. Sanders, Mark Elvin 2002-6-19 25176 Los Angeles NE end of Santa Susana Mtn.; Newhall Ranch, head of Adobe Cyn. and pass into Long Cyn. 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. 335 Comment
  SD153120  Asphodelus fistulosus Steven A. Junak 1996-5-17 SCl 481 Los Angeles San Clemente Island, northeast end of island, east of airfield runways, at edge of terrace east of intersection of Perimeter Road and road to Dolphin Bay, just south of Camera Pad 'Naddo'. 57 Comment
  LA201754  Aspidotis californica Arthur C. Gibson; 2001-5-18 4809 Los Angeles SANTA MONICA MOUNTAINS, Rocky Oaks National Recreation Area, near Mulholland Hwy and Kanan-Dume Road. Comment
  RSA226250  Aspidotis californica Gary D. Cromwell, David W. Wheat 1971-4-30 600 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mountains 2 miles NE of Glendora. 457 Comment
  UCR153377  Aspidotis californica R. F. Thorne, D. Propst 1968-4-28 37672 Los Angeles Santa Catalina Island, Santa Catalina Island: Lower slope of Wild Boar Gully, due north of Black Ridge and c. 1 mile WNW of Salta Verde Point 198 Comment
  RSA609123  Aspidotis californica L. C. Wheeler 1968-8-22 s.n. Los Angeles San Gabriel Mountains: Water Canyon. 579 Comment
  RSA612750  Aspidotis californica L. C. Wheeler 1932-2-11 444 Los Angeles Foothills of San Gabriel Mountains. 2 miles N Thompson Creek Dam 670 Comment
  RSA417664  Aster greatae Geo C. Johnstone 1927-10-30 s.n. Los Angeles upper part of Big Tujunga Canyon Comment
  RSA415775  Astragalus acutirostris Anstruther Davidson 1893-5-12 s.n Los Angeles Lancaster. Comment
  UCD50216  Astragalus brauntonii Glen Holstein 2004-4-17 s.n. Los Angeles Along an unpaved fire access road in Santa Ynez Canyon, Pacific Palisades districts, city of Los Angeles, Los Angeles County. The fire access road extends north from Michael Lane to a summit ridge at the upper end of Santa Ynez Canyon. One individual was observed along the access road 100 m north and uphill from Michael Lane. Approximately 10 more were observed along the access road 0.6 k north and uphill from Michael Lane near a sign marking the border of Topanga State Park. Comment
  NY621864  Astragalus brauntonii G. T. Hastings 1942-4-26 s.n. 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
  POM9795  Astragalus coccineus Wm. M. Pierce 1921-4-1 s.n. Los Angeles Near Palmdale. Comment
  CATA3322  Astragalus gambelianus Amy Catalano 2017-3-24 036 Los Angeles Santa Catalina Island: About 0.4 road miles up Middle Ranch Rd. from eastern entrance to Big Field Rd, north side of road, about 150 meters up slope 201 Comment
  UCR184539  Astragalus gambelianus A. C. Sanders, T. B. Salvato 2007-4-24 33510 Los Angeles Tehachapi Mountains, hills above Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant 1082 Comment
  SEINET5325699  Astragalus gambelianus Unknown 1904-5-23 75 -a Los Angeles Saugus Comment
  RSA680208  Astragalus lentiginosus var. antonius Valerie L. Soza, Sarah J. De Groot 2003-6-12 1663 Los Angeles San Gabriel Mountains: Swarthout Valley between mouths of Government Canyon and Buford Canyon. Approximatly 0.5 mile southeast of Hwy 2. 1936 Comment
  RSA235248  Astragalus nevinii E. R. Blakley 1963-12-8 6412 Los Angeles San Clemente Island: north of West Cove at Point near triangulation Point Driggs. 8 Comment
  UCR259685  Astragalus purshii Mitch Provance, Callen Huff 2009-4-28 10716 Los Angeles Tehachapi Mountains, Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 1.3 miles ENE of Gorman; site PO1086 1371 Comment
  UCR12072  Astragalus trichopodus Coleta A. Lawler 1971-4-11 260 Los Angeles Western Transverse Range; Santa Monica Mtns., on Mulholland Hwy NE of Lake Malibu 244 Comment
  UCR70744  Astragalus trichopodus subsp. antisellii P. A. Munz, M. E. Jones 1934-4-26 s.n. Los Angeles Western Transverse Range, Castaic Canyon, Ridge Road Comment
  CAS-BOT-BC194034  Astragalus trichopodus var. lonchus Timothy S. Ross; J. Mark Porter; Gery Allan; Vanessa Ashworth; Darin Banks; Megan Tommerup 1994-3-28 7400 A Los Angeles Rancho Palos Verdes, un-named horseshoe-shaped canyon to the NE of upper Forrestal Drive, San Pedro 7.5', Palos Verdes Peninsula 164 Comment
  SBBG38919  Astragalus trichopodus var. lonchus K. K. Muller 1953-5-2 587 Los Angeles Swain Cyn above Camp Orizaba Comment
  UC862881  Astragalus trichopodus var. lonchus I. Johnston 1917-6-10 1319 Los Angeles near Mesmer (dry cliffs and hillsides); near Mesmer Comment
  CATA1404  Astragalus trichopodus var. lonchus Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-11-10 2548 Los Angeles Santa Catalina Island: Slope behind Salta Verde Beach 3 Comment
  RSA415733  Astragalus trichopodus var. lonchus Gale Sphon 1955-3-30 s.n Los Angeles Zuma Beach. (a.k.a. Westward Beach) Comment
  UC56446  Astragalus trichopodus var. phoxus H. M. Hall 1902-5-3 3096 Los Angeles San Franciquito Pass San Francisquito Pass (Southern California) 609 Comment
  POM9532  Astragalus trichopodus var. phoxus P. A. Munz, R. D. Harwood 1920-5-17 3994 Los Angeles Topango Canon [now Topanga Canyon], Santa Monica Mountains. 213 Comment
  RSA641239  Atriplex argentea L. C. Wheeler 1967-7-23 10151 Los Angeles San Gabriel Mountains: Barrell Spring. Comment
  SDSU5514  Atriplex argentea var. mohavensis R. M. Beauchamp 1967-3-18 295 Los Angeles San Clemente Island. Comment
  UC407299  Atriplex argentea var. mohavensis LeRoy Abrams 1902-8-22 2968 Los Angeles low ground near Mesmer; near Mesmer Comment
  UCR140638  Atriplex canescens Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-17 3- 28 Los Angeles San Gabriel Mtns/Mojave Desert, Route 18 at W 263 Street, Site L3 1033 Comment
  SBBG65350  Atriplex confertifolia R. Hoffmann 1927-9-23 Los Angeles Lancaster Comment
  CATA3004  Atriplex coulteri Peter J. Dixon 2015-3-23 038 Los Angeles Santa Catalina Island: Big Springs Ridge, .25 mi SW of Empire Rd. 344 Comment
  SD53035  Atriplex coulteri Peter H. Raven 1962-5-8 17589 Los Angeles San Clemente Island; Slopes above Seal Cove. 39 Comment
  CAS-BOT-BC170104  Atriplex lentiformis C. B. Wolf 1930-12-23 1079 Los Angeles 1/2 mile north of town of Santa Monica 7 Comment
  RSA478287  Atriplex lentiformis subsp. breweri I. M. Johnston 1917-6-10 1900 Los Angeles Playa Del Rey Comment
  LA31660  Atriplex lentiformis subsp. lentiformis Peter H. Raven; Henry J. Thompson 1959-9-6 14384 Los Angeles Santa Monica Mountains, Malibu Creek, near mouth Comment
  RSA713910  Atriplex lentiformis subsp. lentiformis R. E. Riefner 2006-7-29 6 -328 Los Angeles Torrance, Victoria Park, Dominguez Channel, vicinity of Del Amo Blvd. and Carson Plaza Dr. 9 Comment
  RSA739673  Atriplex lentiformis subsp. lentiformis John Dittes, Josephine Guardino 2008-2-24 1510 Los Angeles S Coast, coastal plains and Valeys, San Fernando Valley, Sepulveda Dam Flood control Basin, 1.9 air miles SW of Van Nuys Civic Center, 1 air mile S of Victory Blvd, 0.6 air mile W of San Diego Freqay 405 where it crosses Burbanks blvd 208 Comment
  SBBG93095  Atriplex linearis D. Swinney 1989-10-4 Los Angeles Glendora, South Hills, Sunflower exit on Hwy 210 268 Comment
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Mar 12 2013
  CAS-BOT-BC180949  Atriplex nummularia Carl B. Wolf 1931-12-30 2637 Los Angeles Playa del Rey 30 Comment
  CAS-BOT-BC27949  Atriplex nummularia Carl Brandt Wolf 1930-12-23 1821 Los Angeles Playa del Rey 30 Comment
  CAS-BOT-BC180915  Atriplex pacifica David B. Weissman 1971-6-15 36 Los Angeles 1.7 miles west of Cactus Peak along the road, Santa Catalina Island 304 Comment
  SDSU19644  Atriplex pacifica Michael G. Simpson, Adrienne Russell, Jonathan Dunn 2000-7-20 2201 Los Angeles San Clemente Island, ca. 0.7 mile north-northwest of South Point, along ridge. 152 Comment
  UC205238  Atriplex parryi Katharine Brandegee Los Angeles near Lancaster; near Lancaster Comment
  SBBG72582  Atriplex phyllostegia R. Hoffmann 1931-8-25 Los Angeles Lancaster Comment
  UCD97647  Atriplex prostrata Scott D. White 1997-11-5 6013 Los Angeles Malibu Coast, mouth of Trancas Canyon, north of Pacific Coast Hwy. 7 Comment
  RSA453963  Atriplex semibaccata F. R. Fosberg 1930-10-18 S 4107 Los Angeles Nigger Slough . [locality name change to Laguna Dominguez ] Comment
  SEINET4136259  Atriplex semibaccata Timothy S. Ross, J. Mark Porter; Gery J. Allan; Vanessa Ashworth; Darin L. Banks; Megan Tommerup 1994-3-28 7438 Los Angeles Palso Verdes Peninsula: rancho Palos Verdes; southerly coastal bluffs ca 2260 m SE of Inspiration Point and 3160 m WNW of Whites Point; san Pedro 7.5' USGS quadrangle.; 0 12 Comment
  SEINET11940379  Atriplex semibaccata J. F. Bright, Wyman, C. 1931-1 5736 Los Angeles Hollywood Comment
  POM219208  Atriplex serenana L. C. Wheeler 1932-9-4 1315 Los Angeles La Verne, Palomares St. between D and E Streets. 290 Comment
  UCR108401  Atriplex serenana var. serenana L. C. Wheeler 1968-9-21 s.n. Los Angeles Saugus, E side of railroad 398 Comment
  RSA652771  Avena barbata Monica Acosta 1998-5-14 8 Los Angeles The Center for Regenerative Studies, South of California State Polytechnic University. 225 Comment
  UCR125390  Avena barbata A. C. Sanders, Mark Elvin 2003-3-5 25733 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Exon Mesa,' due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River 335 Comment
  RSA599329  Avena fatua Steve Boyd, Lauren Raz 1997-3-26 9357 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
  SD90601  Avena fatua Robert F. Thorne 1966-4-16 36063 Los Angeles San Clemente Island, steep slope of canyon below Lemon Tank near dump, south of Nanny, northeast side of island 182 Comment
  RSA418216  Baccharis douglasii H. L. Bauer 1929-09 376 Los Angeles Long Beach 30 Comment
  UCR91440  Baccharis pilularis Scott D. White 1995-2-7 2519 Los Angeles San Gabriel Mtns., Santa Susana Mtns, Sunshine Canyon, directly west of Hwy I-5 just south of interchange with Hwy 14 457 Comment
  SBBG47518  Baccharis pilularis subsp. consanguinea M. B. Dunkle 1928-11-25 2033 Los Angeles Hamilton Cyn Comment
  UCR241694  Baccharis plummerae Dan S. Cooper 2012-7-29 712- 80 Los Angeles Western Transverse Range; Santa Monica Mtns., La Tuna Canyon, about 1.2 way down one-way section of road toward PCH 271 Comment
  CAS-BOT-BC106760  Baccharis salicifolia A. D. E. Elmer 1902-6-1 3701 Los Angeles Acton Comment
  CHSC99219  Baccharis salicifolia John Dittes; Eva M. Dittes, Rudolph A. Dittes, Rosano Arviso 2007-2-16 1443 Los Angeles Western Transverse Ranges; San Gabriel Mtns; Big Tujunga Cyn; ca. 2.7 air-miles S of Mt. McKinley, ca. 3.8 air-miles W of Big Tujunga Reservoir, ca. 3.6 air-miles NE of Mt. Gleason Jr. Highschool; at edge of Big Tujunga Creek near Delta Flat Picnic Area. 512 Comment
  UC53978  Baccharis salicifolia subsp. salicifolia H. P. Chandler 1907-9-9 7030 Los Angeles Ballona Marshes Comment
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Sep 26 2011
  CAS-BOT-BC100024  Balsamorhiza deltoidea Le Roy Abrams; E. A. McGregor 1908-6-20 356 Los Angeles Liebre Mountain 1371 Comment
  CDA2973  Bassia hyssopifolia T. C. Fuller 1965-9-2 14170 Los Angeles Mojave Desert; West side of Highway 6 to Mojave, 3 miles north of Lancaster. 0 Comment
  SDSU6484  Bellis perennis R. M. Beauchamp 1967-2-26 233 Los Angeles Growing in lawn in Vet's Park near Spring and Pacific Avenues in Long Beach City. Comment
  RSA612303  Berula erecta L. C. Wheeler 1968-10-1 s.n. Los Angeles San Gabriel Mountains: Big Tujunga Canyon, near Doske Road. Comment
  JEPS16885  Bidens pilosa Peter H. Raven 1956-6-17 9406 Los Angeles Westwood, Los Angeles Los Angeles, Westwood Comment
  UC30570  Bidens pilosa J. H. Barber 1897-5-24 158 Los Angeles Exp't Station, Santa Monica Santa Monica, Exp't Station Comment
  RSA247403  Bituminaria bituminosa Wesley O. Griesel 1962-5-28 620 Los Angeles lower Millard Canyon near fire road 610 Comment
  RSA691044  Bituminaria bituminosa Scott D. White 2003-10-22 9839 Los Angeles Foothills above Sierra Madre. L.A. Dept of Public Works Sierra Madre Debris Basin. Northern terminus of Sumac St. (Mt. Wilson) 366 Comment
  LA82374  Bloomeria crocea O. H. Kappler; 1940-5-26 32 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA367312  Bloomeria crocea var. crocea F. R. Fosberg 1931-3-25 S- 4372 Los Angeles Hamilton Canyon, Santa Catalina Island. 120 Comment
  SD21562  Bloomeria crocea var. crocea Norman E. Bilderback 1938-4-23 Los Angeles Catalina Harbor, Catalina. Comment
  CAS-BOT-BC16088  Boechera californica George B. Grant 1902-5-5 s.n. Los Angeles Garvanza Arroyo Seco. Comment
  RSA0099411  Boechera repanda R. G. Swinney 2011-8-5 15591 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
  SEINET3162708  Boechera xylopoda M. D. Windham 2004-4-1 2960 Los Angeles SE of Pearblossom along Bobs Gap Rd. near Holcomb Ridge ca. 1.50 km NE of the summit (4272) of Holcomb Ridge. 1158 Comment
  CATA1892  Bolboschoenus maritimus subsp. paludosus Denise Knapp 2006-8-23 Los Angeles Santa Catalina Island: Cherry Valley 0 Comment
  CAS-BOT-BC145599  Bothriochloa laguroides subsp. torreyana LeRoy Abrams 1903-3-11 3110 Los Angeles Sepulveda Canyon, Santa Monica Mountains. Comment
  POM243668  Bowlesia incana F. R. Fosberg 1931-3-20 s 4320 Los Angeles Hamilton Canyon, Santa Catalina Island. 25 Comment
  RSA527735  Bowlesia incana Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4302 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  RSA9738  Bowlesia incana L. C. Wheeler 1932-5-8 688 Los Angeles Puddingstone Dam; San Jose Hills 304 Comment
  UCR178800  Boykinia rotundifolia R. G. Swinney 1989-6-27 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon, 0.7 mi. east of Glendora Mtn. Road, at 'Maple Canyon 427 Comment
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Mar 14 2017
  UCR194002  Boykinia rotundifolia R. G. Swinney 1998-8-17 6765 Los Angeles San Gabriel Mtns., upper Coldwater Canyon at NE end of Heaton Flat Trail 1372 Comment
  UCR194182  Boykinia rotundifolia R. G. Swinney 1998-7-29 6550 Los Angeles San Gabriel Mtns., c. 100 m downstream from Upper Fish Fork Campground 1817 Comment
  UCR194626  Boykinia rotundifolia R. G. Swinney 1998-8-30 6857 Los Angeles San Gabriel Mtns., south fork of Dry Lake Canyon, a western tributary of San Antonio Canyon 994 Comment
  UCR276960  Boykinia rotundifolia R. G. Swinney 2010-6-8 13233 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, along Waterfall Trail in Los Pinetos Cyn., 0.4 to 0.6 miles south of Placerita Cyn. at Walker Campground, from waterfall to 0.2 miles downstream 671 Comment
  CATA1081  Brachypodium distachyon Mark L. Hoefs 1995-5-16 2031 Los Angeles Santa Catalina Island: Big Springs Canyon, near road to Two Harbors 103 Comment
  CATA20  Brachypodium distachyon USC Wrigley Interns: Daniel Kasang, Sabrina Lawrence-Gomez, Alexandria Cheung, Miller Zou, Sarah Ratay 2011-7-1 6 Los Angeles Santa Catalina Island: Deer Valley Trail 4 Comment
  UC1117452  Brachypodium distachyon Peter H. Raven 1962-5-20 17771 Los Angeles road above Pebbly Beach (Santa Catalina Island); Santa Catalina Island 60 Comment
  UCR210276  Brassica geniculata R. G. Swinney 2008-10-16 9595 Los Angeles San Gabriel Mtns., Jackson Lake, south side of Big Pines Highway 1872 Comment
  LA210053  Brassica rapa Leo Boyd; 1953-4-1 Los Angeles Faculty Hill U.C.L.A. Campus Comment
  CLARK-A1528-2299  Brassica rapa subsp. sylvestris John C. Roos 1943-2-7 Los Angeles West Los Angeles Comment
  JEPS19499  Brickellia californica Peter H. Raven 1957-9-21 11350 Los Angeles Pacific Palisades. Comment
  RSA0105489  Brickellia californica R. G. Swinney 2011-11-3 15992 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
  SBBG109004  Brickellia californica S. A. Junak 1996-10-2 SCl 703 Los Angeles lower portion of Horse Cyn 30 Comment
  SD181712  Brickellia microphylla Louis C. Wheeler 1953-9-12 7051 Los Angeles San Gabriel Mountains: South for Big Rock Creek, near mouth. Comment
  CAS-BOT-BC106140  Brickellia nevinii Peter H. Raven 1959-10-25 14703 Los Angeles Santa Monica Mountains - Mulholland Highway 4.4 miles north-east of Coast Highway 243 Comment
  RSA675711  Brickellia nevinii Scott D. White 2000-10-22 8138 Los Angeles San Antonio Canyon north of Shinn Rd. (=Mountain Ave.) crossing 793 Comment
  SEINET11861394  Brickellia nevinii J. F. Bright, Wyman, C. 1931-8-15 5687 Los Angeles around Hollywood Comment
  CATA1199  Brodiaea jolonensis Mark L. Hoefs, Jay B. Walker, Carol Annable 1995-6-6 2231 Los Angeles Santa Catalina Island: Just past gate (from Airport road) by road to Black Jack Camp 350 Comment
  SBBG108926  Brodiaea kinkiensis S. A. Junak 1997-4-24 SCl 867 Los Angeles N of Wall Rock Cyn, S of Arizona Rd 335 Comment
  UCSB12564  Bromus Hancock, Dan 1961-3-30 Los Angeles Cape Canyon; 12 mi W of Avalon on Coach Rd; Catalina Island Comment
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Dec 18 2015
  CAS-BOT-BC149342  Bromus arizonicus John Thomas Howell 1956-3-21 31125 Los Angeles Ridge Route west of Newhall. Comment
  RSA133766  Bromus arizonicus P. H. Raven 1959-4-19 14012 Los Angeles Santa Monica Mountains: Along shore 0.8 miles east of Ventura County Line. 8 Comment
  POM156341  Bromus carinatus Le Roy Abrams 1902-5-31 2485 Los Angeles Inglewood. Comment
  CAS-BOT-BC149196  Bromus carinatus var. carinatus Timothy S. Ross; Steve Boyd 1995-6-29 8657 Los Angeles Liebre Mountains. West summit of Liebre Mountain. 1703 Comment
  LA13866  Bromus diandrus Carl Epling; 1931-4-25 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA226139  Bromus grandis R. F. Thorne, C. W. Tilforth 1971-6-17 39930 Los Angeles 7 miles up Little Tujunga Canyon Road from Little Tujunga station. San Gabriel Mountains, Angeles National Forest 671 Comment
  UC1714486  Bromus grandis I. M. Johnston 1917-7-28 1407 Los Angeles San Antonio Mountains, San Antonio Canyon San Antonio Canyon; San Antonio Mountains, San Antonio Canyon 2438 Comment
  CATA73  Bromus hordeaceus Peter Henrikson 1987-4-13 55 Los Angeles Santa Catalina Island: Hermit Gulch 106 Comment
  RSA717194  Bromus hordeaceus Gary Kovnat, LeRoy Gross 2003-2-16 31 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. 683 Comment
  RSA725305  Bromus hordeaceus subsp. hordeaceus K. Dobry 1991-6-14 d- 535 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  SEINET10942412  Bromus pseudolaevipes Joseph A. Ewan 1932-6-12 Ewan 7382 Los Angeles Rather dry gravel at foot of high cliff 1/2 mile below Falls Creek. 762 Comment
  SEINET269223 Image available Bromus rigidus Scott D. White, Chet McGaugh 1995-5-16 3059 Los Angeles E edge of Santa Susana Mts W of San Gabriel Mts.'Sunshine Cyn': W of San Fernando Rd. and I-5 fwy SW of interchange w/ 457 Comment
  RSA0083316  Bromus rubens R. G. Swinney 2010-3-22 12041 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  RSA316345  Bromus rubens R. F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 54959 Los Angeles 1/4-1/2 mile north of Bob's Gap, north slope of Holcomb Ridge, about 2.5 miles due south of Llano. 1159 Comment
  RSA611252  Bromus sterilis L. C. Wheeler 1968-5-25 s.n. Los Angeles San Gabriel Mountains: West side of Bear Creek, off West Fork San Gabriel River. 610 Comment
  CAS-BOT-BC185548  Bromus tectorum Peter H. Raven; Henry J. Thompson 1959-5-5 14109 Los Angeles Santa Monica Mountains. Mulholland Highway 1 mile west of Las Virgenes Road. Malibu Creek drainage. 274 Comment
  RSA0111950  Bromus tectorum Richard G. Swinney 2011-4-19 14411 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
  UCR272360  Bromus tectorum R. G. Swinney 2011-6-20 15225 Los Angeles San Gabriel Mountains, Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail 1573 Comment
  RSA0019985  Bromus tectorum F. W. Peirson 1922-7-5 5363 Los Angeles Big Pines Camp, north side of San Gabriel Mountains 2104 Comment
  RSA0019986  Bromus tectorum I. M. Johnston 1917-5-6 1012 Los Angeles Evey Canyon mouth. [San Gabriel Mountains]. Comment
  RSA603897  Calandrinia ciliata L. C. Wheeler 1975-5-14 s.n. Los Angeles San Gabriel Mountains: Head of East Fork Little Tujunga. Comment
  SBBG98617  Calandrinia menziesii T. Ross, O. Mistretta, M. Hammitt 1991-5-20 5319 Los Angeles between Box and Horse Cyns 484 Comment
  UCR214620  Callitriche A. C. Sanders, Dan S. Cooper 2010-3-12 37361 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA352850  Calocedrus decurrens B. C. Templeton 1932-5-31 4897 Los Angeles Big Pines Park; San Gabriel Mts. 2088 Comment
  LA210885  Calocedrus decurrens Arthur C. Gibson; Hanan Abels Sullivan, Tarja Sagar 2009-6-19 5252 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek State Park, near culvert beneath trail, Buldog Trail. Comment
  RSA313031  Calochortus albus Robert F. Thorne s.n. Los Angeles North of Claremont in Foothills of San Gabriel Mountains. Collected by Robert Frampton Comment
  CAS-BOT-BC132281  Calochortus catalinae Henry J. Thompson 1951-5-13 1475 Los Angeles Triunfo Canyon, Santa Monica Mts., western Los Angeles Co., near Cornell 274 Comment
  LA22341  Calochortus catalinae LeRoy Abrams; 1903-3-14 3143 Los Angeles San Pedro Hills Comment
  POM158341  Calochortus catalinae M. B. Dunkle 1928-3-31 1762 Los Angeles Santa Catalina Island: Little Harbor 61 Comment
  POM230716  Calochortus catalinae I. W. Clokey, E. G. Anderson 1935-5-9 6545 Los Angeles Puddingstone Dam Comment
  RSA377305  Calochortus catalinae A. M. Johnson 1934-4-7 4396 Los Angeles Botany Garden, Campus, UCLA Los Angeles Comment
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Oct 3 2014
  SEINET3884911  Calochortus catalinae K. Dobry 1991-5-22 d 626 Los Angeles Ne section of Soka University, 1 mi east of Los Virgenes Rd. off Mulholland Hwy. Santa Monica Mountain.; 0 Comment
  UC843638  Calochortus catalinae F. R. Fosberg 1931-4-2 S 4456 Los Angeles divide between Hamilton Canyon Descanso Canyon; Santa Catalina Island 200 Comment
  UCR16062  Calochortus clavatus Loretta Bates 1978-5-28 s.n. Los Angeles Transverse Range, Davenport Rd., 1 mi past [west of] Red Rover Mine exit on Hwy I-14 and 1 mi east of the upper junction with Hubbard Rd. near Acton 976 Comment
  RSA658598  Calochortus clavatus var. clavatus D. E. Bramlet, Sandy Leatherman, Scott D. White, A. O'Neal 2001-4-24 3088 Los Angeles Castaic State Recreation Area. East of the lake and north of the mouth of Grasshopper Canyon. 548 Comment
  RSA701591  Calochortus clavatus var. gracilis Naomi Fraga, Sarah J. De Groot 2004-6-3 1235 Los Angeles Evey Canyon, ca. 1 miles from Road to Mount Baldy on Evey Canyon/Palmer Canyon Road. 793 Comment
  RSA729668  Calochortus invenustus Richard G. Swinney 1998-7-8 6317 Los Angeles San Gabriel Mtns.: NW of Wrightwood, eastern end of Jackson Flat. 2287 Comment
  RSA671259  Calochortus kennedyi Robert Gustafson 1978-6-1 946 Los Angeles 0.5 mile E off main dirt road running through Hungry Valley, area paralleling upper Freeman Canyon, ca 1 mile S of Gorman. 1280 Comment
  RSA68635  Calochortus plummerae Frank W. Peirson 1922-7-22 3213 Los Angeles San Antonio Canyon, Los Angeles-San Bernardino County line 1524 Comment
  UCSB00625  Calochortus plummerae Gill, Robert 1959-6-10 Los Angeles Johnson's Pasture, along road; San Gabriel Mt. Range, Pacific Slope, South slope Comment
  JEPS61715  Calochortus splendens Frank W. Peirson 1922-6-4 3089 Los Angeles Soledad Canyon San Gabriel Mountains 457 Comment
  RSA670593  Calochortus splendens Bonnie C. Templeton 1930-5-13 1469 Los Angeles Bouquet Canyon. Comment
  UCR276908  Calyptridium monandrum R. G. Swinney 2011-3-29 14277 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
  RSA422195  Calystegia macrostegia subsp. amplissima M. B. Dunkle 1939-4-6 7291 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  SBBG37783  Calystegia macrostegia subsp. amplissima R. Moran 1941-2-19 593 Los Angeles Middle Ranch 500 Comment
  UCR146474  Calystegia occidentalis subsp. fulcrata Orlando Mistretta 1992-5-25 448 Los Angeles Transverse Ranges; San Gabriel Mountains, Fenner Canyon Conservation Camp. south side of camp 1713 Comment
  RSA757996  Calystegia peirsonii D. E. Bramlet, Jennifer Pareti 2008-5-6 4257 Los Angeles Bouquet Cyn, 854 m SE of Bouquet Cyn Rd & 579 m S of Hayfork Road. Comment
  UCR84559  Calystegia peirsonii T. S. Ross, Steve Boyd 1994-5-24 7850 Los Angeles San Gabriel Mtns., NE summit of Grass Mtn: N slopes draining toward Elizabeth lake; S slopes toward Green Valley. 1390 Comment
  RSA66534  Camelina microcarpa F. W. Peirson 1922-7-7 3181 Los Angeles Ranger's Cabin, Swartout Valley. 1799 Comment
  RSA715199  Camissonia Gary D. Wallace, M. Wallace, Z. Wallace 1982-4-24 1932 Los Angeles West of Palmdale, south end of Munz Ranch road. Comment
  CAS-BOT-BC172765  Camissonia bistorta Timothy S. Ross; Steve Boyd 1994-5-4 7618 Los Angeles San Francisquito Canyon: Headwaters of the canyon, NE of Green Valley; ca 600 m SW of summit of grade; ca 2460 m ESE of Grass Mtn summit 1075 Comment
  RSA9571  Camissonia bistorta P. A. Munz, R. D. Harwood 1920-3-13 3309 Los Angeles San Jose Hills, 2 miles north of Pomona. 305 Comment
  POM3212  Camissonia bistorta Minnie Reed 1892-3-20 s.n. Los Angeles Pomona. Comment
  RSA0059135  Camissonia bistorta Floy L. Robinson 1921-4-15 37 Los Angeles Claremont. Comment
  IRVC26256  Camissonia boothii subsp. decorticans Mark A. Elvin 2003-4-9 2471 Los Angeles Newhall Ranch Commerce Center, canyon N of SR 126 from 'Grapevine Mesa' Santa Clarita Valley 335 Comment
  RSA0087383  Camissonia californica R. G. Swinney 2010-5-25 12972 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
  RSA744644  Camissonia campestris subsp. campestris Roy R. Snelling 1977-3-19 14 Los Angeles Mojave Desert, 2 miles S of Pearblossom. 1067 Comment
  UCD103361  Camissonia campestris subsp. campestris Tom Gordon 1974-4-27 207 Los Angeles Antelope Valley. 165 St. E T8 Ave. Comment
  RSA609614  Camissonia cheiranthifolia subsp. suffruticosa Louis C. Wheeler 1974-4-4 s.n. Los Angeles West end of Los Angeles International Airport. 61 Comment
  RSA135205  Camissonia claviformis subsp. claviformis P. A. Munz 1957-5-15 22579 Los Angeles 14 miles east of Lancaster, Mojave Desert. Comment
  RSA448983  Camissonia hirtella Anstruther Davidson 1889-07 s.n. Los Angeles Riverside. Los Angeles. Comment
  RSA516960  Camissonia hirtella Jeri Hirshberg, T. Glenn 1990-5-20 s.n. Los Angeles Angeles National Forest, near Agua Dulce. 1220 Comment
  RSA449024  Camissonia micrantha Louis C. Wheeler 1934-4-24 2543 Los Angeles Liveoak Canyon Dam 457 Comment
  RSA652353  Camissonia micrantha A. Mayor, N. Daly 1973-5-5 s.n. Los Angeles Tapia Park, Malibu Cyn. Comment
  RSA682504  Camissonia micrantha Scott D. White, Michael Honer 2003-5-7 9202 Los Angeles Santa Clarita Area: South Fork Santa Clara River, from confluence with main fork upstream to bridge at Magic Mountain Parkway. 335 Comment
  SDSU8628  Camissonia micrantha Gerald Collier 1951-9-7 Los Angeles Sea Bluff at Point Dume- Approx. 2 miles SW of US Hwy 101. Comment
  RSA774844  Camissonia pallida R. G. Swinney 2009-4-29 10586 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA774959  Camissonia pallida R. G. Swinney 2009-5-6 10681 Los Angeles Carr Canyon at confluence with Little Rock Creek 909 Comment
  RSA632121  Camissonia strigulosa Louis C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mountains: North of Mill Canyon off Soledad Canyon near Ravenna. 716 Comment
  SFV16098  Camissoniopsis bistorta J. M. Kneitel 1995-4-28 45 Los Angeles San Gabriel Mountains Kagel Canyon. Dexter Park. 425 Comment
  UC1584248  Camissoniopsis bistorta Tim Ross and Steve Boyd 1990-6-6 2825 Los Angeles Green Valley Pasture Lake Hughes USGS 7.5' quad., San Francisquito Canyon 926 Comment
  JEPS31579  Camissoniopsis bistorta F. W. Peirson 1918-5-26 129 Los Angeles Henniger Flats San Gabriel Mts. 868 Comment
  SDSU3344  Camissoniopsis cheiranthifolia subsp. suffruticosa H. Wedberg 1957-11-22 53 Los Angeles At north end of the Silver Strand, on Coronado island, about 4.6 miles north from silver Strand State Park. 0 Comment
  UC1552134  Camissoniopsis hirtella David Charlton 1988-4-2 1481 Los Angeles Cleghorn Road Turnoff on pass Cajon Pass (I 15, Swarthout Valley Rd to end of pavement, under powerline) 1524 Comment
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Feb 4 2015
  LA46882  Camissoniopsis intermedia J. Warren; sn Los Angeles SANTA MONICA MOUNTAINS, 0.5 mi W of Sepulveda tunnel on Mulholland. 457 Comment
  SD247461  Camissoniopsis micrantha R. G. Swinney 2010-3-11 11869 Los Angeles San Gabriel Mountins/Verdugo Mountains: flood plain surrounding Haines Canyon wash, from the I-210 Fwy, in the east, where it crosses wash, to 0.5 mi. west at junction with Big Tujunga Wash (Sunland 7.5'Q) 348 Comment
  UCR124570  Capsella bursa-pastoris B. C. Templeton 1932-6-17 4933 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2195 Comment
  RSA441720  Cardionema ramosissimum Anstruther Davidson 1916-6-1 s.n. Los Angeles Santa Monica Mountains. Comment
  RSA596383  Carex alma Timothy S. Ross, Steve Boyd 1995-6-28 8629 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 707 Comment
  UCR273157  Carex alma R. G. Swinney 2011-6-22 15275 Los Angeles San Gabriel Mountains, Charlton Flat Picnic Area, along East Fork Alder Creek, 0.2 miles west of Angeles Crest Hwy 1598 Comment
  RSA596222  Carex alma Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3399 Los Angeles San Gabriel Mountains, Little Rock Creek: on SW side of Little Rock Creek reservoir 997 Comment
  RSA729656  Carex athrostachya R. G. Swinney 1998-9-7 6938 Los Angeles San Gabriel Mtns.: Dawson Peak Ridge Trail at far NE tributary of upper Fish Fork San Gabriel River, 1.3 mi. west of Dawson Peak 2524 Comment
  UCR223541  Carex fracta R. G. Swinney 2009-6-2 11002 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UCR271987  Carex multicaulis R. G. Swinney 2011-6-20 15217 Los Angeles San Gabriel Mountains, southeast margin of Crystal Lake, 10-30 meters from water line 1692 Comment
  SEINET11632172  Carex occidentalis H. E. Hasse 1888-1 s.n. Los Angeles no further locality Comment
  CAS-BOT-BC443970  Carex praegracilis A. C. Sanders 2006-4-10 32001 Los Angeles Tehachapi Mtns. Foothills: Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake. 1006 Comment
  RSA641429  Carex praegracilis L. C. Wheeler 1967-7-23 10153 Los Angeles San Gabriel Mountains: Mojave Desert Slope: Barrel Spring. Comment
  CAS-BOT-BC117934  Carex schottii R. F. Thorne 1969-7-2 38252 Los Angeles San Gabriel Mts. Angeles National Forest. 1584 Comment
  RSA251541  Carex tumulicola Robert F. Thorne 1973-4-11 42804 Los Angeles San Clemente Island; gully leading into Middle Ranch Canyon. 427 Comment
  RSA660172  Castilleja affinis subsp. affinis Orlando Mistretta 1992-5-25 423 Los Angeles Fenner Canyon Conservation Camp. 1641 Comment
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Oct 4 2010
  LA32222  Castilleja applegatei subsp. martinii Peter H. Raven; 1959-5-3 14084 Los Angeles SANTA MONICA MOUNTAINS, Woodrow Wilson Dr, 1.2 mi E of Laurel Canyon. 350 Comment
  POM18012  Castilleja applegatei subsp. martinii Philip A. Munz 1923-5-26 6862 Los Angeles Rock Creek, San Gabriel Mountains 1707 Comment
  UC76121  Castilleja exserta subsp. exserta Geo. B. Grant 1902-4-1 885 Los Angeles Pasadena Comment
  POM8510  Castilleja foliolosa Philip A. Munz, R. D. Harwood 1920-5-15 3925 Los Angeles Sepulveda Canyon. 244 Comment
  UCR4192  Castilleja martinii R. H. Sauer 1965-4-13 s.n. Los Angeles San Gabriel Mtns, Pasadena, Arroyo Seco Canyon, along road c. 2.5 miles into the canyon 426 Comment
  RSA0083126  Castilleja minor subsp. spiralis R. G. Swinney 2010-6-4 13027 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  UCR223721  Castilleja minor subsp. spiralis R. G. Swinney 2009-6-8 11110 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
  UCR240005  Castilleja minor subsp. spiralis R. G. Swinney 2009-11-9 11588 Los Angeles Transverse Range; San Gabriel Mountains, confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  RSA0091546  Caulanthus amplexicaulis R. G. Swinney 2011-6-14 15126 Los Angeles Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  UCR273544  Caulanthus amplexicaulis R. G. Swinney 2011-6-22 15263 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
  UCR60927  Caulanthus cooperi Steve Boyd, Orlando Mistretta 1986-3-31 1533 Los Angeles Mojave Desert, Hwy 138, 4 mi east of junction with Hwy 18, NE of Pinyon Hills Comment
  CAS-BOT-BC38469  Caulanthus coulteri Raymond Lindholm 1961-3-26 s.n. Los Angeles Lake Elizabeth. Comment
  SD247376  Caulanthus coulteri var. coulteri Mitch Provance, Callen Huff 2009-4-29 10690 Los Angeles Tehachapi Mountains: Tejon Ranch, south of Lebec, lower slope above Interstate 5, ca. 0.7 mile east of Gorman. 1230 Comment
  RSA732783  Caulanthus heterophyllus R. G. Swinney 2000-6-25 7798 Los Angeles West tributary of San Antonio Canyon, between Evey and Spruce canyons. 939 Comment
  CAS-BOT-BC40221  Caulanthus lasiophyllus Louis C. Wheeler 1932-4-1 546 Los Angeles San Jose Hills at Pomona. 304 Comment
  CAS-BOT-BC39567  Caulanthus major Gale Sphon 1959-6-27 385 Los Angeles San Gabriel Mountains. Angeles National Forest. Big Rock Canyon. Icy Springs. Comment
  UC870499  Ceanothus arboreus Ezra C. Knopf 127 Los Angeles Santa Catalina Island Comment
  PASA1637  Ceanothus cordulatus Margaret Stason 1931-6-13 Los Angeles Buckhorn Flats, San Gabriel Mts. Comment
  RSA398859  Ceanothus crassifolius G. R. Johnstone 1930-6-22 s.n. Los Angeles Near Ravenna; Soledad Canyon. Comment
  UC1071003  Ceanothus crassifolius P. L. Johannsen 1934-1-26 242 Los Angeles Brown's Canyon Santa Susana quad 396 Comment
  UCR138707  Ceanothus crassifolius L. C. Wheeler 1968-5-25 s.n. Los Angeles San Gabriel Mtns., Mesa on the W side of Bear Creek, off West Fork of San Gabriel River 610 Comment
  UCSB3871  Ceanothus crassifolius Kamb, Peter 1948-2-29 Los Angeles Ridge west of Sheep Corral Canyon, North slope of the Verdugo Range 701 Comment
  CAS-BOT-BC48881  Ceanothus cuneatus Carl B. Wolf 1932-3-4 2667 Los Angeles South base of San Gabriel Mts., Thompson Creek, 3-4 mi. No. of Claremont 457 Comment
  IRVC27769  Ceanothus cuneatus A. C. Sanders 2005-5-11 30138 Los Angeles Santa Clarita area, upper Plum Cyn along dirt track towards Cruzan Mesa from Plum Cyn Rd., NW of Forest Park between Mint and Bouquet cyns. Western San Gabriel/Liebre Mtns Region 610 Comment
  UCR124418  Ceanothus cuneatus B. C. Templeton 1932-5-31 4879 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  SEINET6078636  Ceanothus cuneatus Unknown Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  RSA592825  Ceanothus cuneatus var. cuneatus Steve Boyd 1996-4-24 8657 Los Angeles Liebre Mountains, northwestern end of the range on the ridgetop and upper slopes of the southern flank of Apple Canyon. 1067 Comment
  RSA524622  Ceanothus greggii var. vestitus Tim S. Ross, S. D. Boyd 1990-5-17 2591 Los Angeles San Gabriel Mountains, Angeles National Forest: Mill Creek Tree Plantation, Tujunga District. 1613 Comment
  RSA522332  Ceanothus integerrimus Tim S. Ross 1990-7-10 4031 Los Angeles San Gabriel Mountains: NE of Tie Summit Station and E of Angeles Forest Highway, Tujunga Ranger District. Westerly drainage that meets Tie Canyon. 1524 Comment
  RSA764064  Ceanothus integerrimus R. G. Swinney 2008-8-13 9393 Los Angeles Big Rock Creek, 1.3 mi. east of Fenner Canyon. 1860 Comment
  POM2823  Ceanothus leucodermis W. R. Dudley, F. H. Lamb 1896-6-8 4347 Los Angeles Kings Canyon, Liebre Mts. Comment
  RSA399736B  Ceanothus leucodermis Louis Greata 1901-04 s.n. Los Angeles Arroyo Seco, near Pasadena Comment
  UC224228  Ceanothus leucodermis A. D. E. Elmer June 1902 3610 Los Angeles Acton Comment
  RSA0034927  Ceanothus leucodermis Anonymous 1977-4-23 36 Los Angeles Pyramid Res. Piru Canyon. 1066 Comment
  LA43640  Ceanothus megacarpus Barbara Crumly; 1953-4-4 sn Los Angeles 411 Comment
  POM156272  Ceanothus megacarpus L. R. Abrams 1902-6-17 2560 Los Angeles Sepulveda Canyon, Santa Monica Mts. Comment
  RSA25653  Ceanothus megacarpus Carl B. Wolf 1941-7-9 10930 Los Angeles 3.3 mi So. of the sumit of Topango Canyon Rd. 366 Comment
  RSA399109  Ceanothus megacarpus Bonnie C. Templeton, I. W. Clokey 1920-2-18 1413 Los Angeles Mandeville Canyon. 220 Comment
  RSA95363  Ceanothus megacarpus F. W. Peirson 1918-5-5 731 Los Angeles along road to [Brents] on the Malibu, Santa Monica Mts. Comment
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Apr 20 2019
  RSA583080  Ceanothus megacarpus var. insularis Tim S. Ross 1993-4-22 6888 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft.); southerly coastal slope of 1320 m SE of Cactus Peak summit. 351 Comment
  CAS-BOT-BC50460  Ceanothus oliganthus I. M. Johnston 1917-9-17 1724 Los Angeles Cow Canyon, San Antonio Mountians 914 Comment
  CAS-BOT-BC50482  Ceanothus oliganthus Alice Eastwood 1919-6-20 9041 Los Angeles Mt. Wilson Comment
  CAS-BOT-BC50487  Ceanothus oliganthus Marcus E. Jones 1882-2-25 s.n. Los Angeles Pasadena Comment
  LA32003  Ceanothus oliganthus Henry J. Thompson; 1959-3-22 1868 Los Angeles SANTA MONICA MOUNTAINS, Lobo Canyon, 1 mi. W of Triunfo Canyon, 3 mi W of Malibu Lake. 274 Comment
  RSA399728  Ceanothus oliganthus Freda Detmers 1932-5-24 15207 Los Angeles Griffith Park. Vermont canon bordering picnic grounds. Comment
  RSA60249  Ceanothus oliganthus E. K. Balls 1950-3-28 14448 Los Angeles La Crescenta, at upper end of town, on highway. Comment
  SEINET12209936  Ceanothus oliganthus Unknown 1936-1 12658 Los Angeles Mt. Wilson Comment
  CAS-BOT-BC126850  Ceanothus pauciflorus Louis C. Wheeler 1968-4-26 s.n. Los Angeles San Gabriel Mountains: Head of North Fork of Pacoima Canyon 1310 Comment
  LA25934  Ceanothus spinosus Judith Webb; 1955-4-2 sn Los Angeles Santa Monica Mountains, fireroad below Mount Saint Mary's College 243 Comment
  RSA398944  Ceanothus spinosus Ora M. Clark 1928-12-2 1318 Los Angeles N.E. Hollywood Comment
  UCR133584  Ceanothus spinosus Tema S. Clare 1929-2-25 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Santa Monica Canyon 305 Comment
  RSA0042039  Centaurea melitensis R. G. Swinney 2010-5-4 12485 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  POM351503  Centaurea melitensis Robert Gustafson 1980-7-9 1800 Los Angeles Ballona Wetlands, Area 3. Comment
  RSA659994  Centaurea melitensis Mary C. Hunter 1994-5-28 0035 Los Angeles Off Angeles Crest Hwy, West of highway heading North; Road marked 2647; Pasadena 457 Comment
  RSA765310  Centaurea melitensis Doris Bowers 1957-6-22 928 Los Angeles Arroyo Seca, Pasadena. 457 Comment
  UCR124245  Centaurium venustum L. C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island, 0.3 mile SSE of Isthmus Bench Mark 122 Comment
  SBBG60911  Centromadia parryi subsp. australis M. N. Ackley 1930-8-14 238 Los Angeles Eagle Rock 182 Comment
  UCD166197  Centrostegia thurberi Jack Major 1962-4-15 762 Los Angeles Desert near Pearblossom. (Exact location unkown. Coordinates estimated by label maker.) 930 Comment
  UCSB1363  Centrostegia thurberi Hawkins, L. 1956-4-13 Los Angeles 16 miles E of Little Rock on Rt. 138 Comment
  RSA453278  Cercocarpus betuloides Fay A. MacFadden 1931-3-18 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  RSA497910  Cercocarpus betuloides var. betuloides A. R. Roos 1922-11-8 s.n. Los Angeles San Gabriel Mountians: Lytle Creek Canyon 915 Comment
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Aug 18 2012
  RSA639752  Cercocarpus betuloides var. betuloides Louis C. Wheeler 1946-8-25 6242 Los Angeles San Gabriel Mountains: Near Soldier Creek on Coldbrook, Crystal Lake Road. 1524 Comment
  CAS-BOT-BC142112  Cercocarpus betuloides var. blancheae C. B. Wolf 1932-10-4 4222 Los Angeles West slope above road in back of St. Catherine Hotel, Avalon - Santa Catalina Island 22 Comment
  SDSU8983  Cercocarpus betuloides var. blancheae D. F. Howe 1953-5-2 2277 Los Angeles Wain Canyon, Santa Catalina Island. Comment
  UCR255769  Chaenactis artemisiifolia R. G. Swinney 2010-5-4 12489 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  IRVC27309  Chaenactis glabriuscula A. C. Sanders, Mark Elvin, et al. 2003-4-14 25950 Los Angeles Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River NE end of Santa Susana Mtns. 351 Comment
  SEINET8734828 Image available Chaenactis glabriuscula var. curta Muriel F. Wheeler 1938-1 894 Los Angeles Thompson Creek Wash, 1 1/2 miles northeast of La Verne 875 Comment
  CAS-BOT-BC277370  Chaenactis glabriuscula var. glabriuscula Peter H. Raven 1962-5-1 17523 Los Angeles Santa Monica Mountains, just south of Agoura 259 Comment
  LA203104  Chaenactis glabriuscula var. glabriuscula A. M. Johnson; 1928-3-13 186 Los Angeles Del Rey Hills Comment
  UC1262283  Chaenactis glabriuscula var. glabriuscula Jack Delaini 1974-5-9 188 Los Angeles on e ridge of canyon Lodi Canyon; Angeles National Forest, San Dimas Experimental Forest, Lodi 533 Comment
  OBI45224  Chaenactis glabriuscula var. orcuttiana Rudy Mattoni 1986-4-1 Los Angeles El Segundo Dunes, back edge of the beach just W of Los angeles international airport. Comment
  CAS-BOT-BC277825  Chaenactis santolinoides A. J. McC. 1893-8-16 s.n. Los Angeles Old Baldy trail Comment
  UC31033  Chaenactis santolinoides A. J. McClatchie 1896-5-25 Los Angeles Wilson's Peak Comment
  RSA176331  Chaenactis stevioides var. brachypappa R. F. Thorne 1963-5-15 31678 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
  POM351856  Chaenactis xantiana Robert Gustafson 1978-6-1 947 Los Angeles 0.5 mile E off main dirt road running through Hungry Valley, area paralleling upper Freeman Canyon, ca 1 mile S of Gorman. 1280 Comment
  UCR141021  Chaenactis xantiana June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, near the Three Sisters hills, Antelope Valley, NE of Llano 976 Comment
  UCSB27839  Chaenactis xantiana Blakely, E. 1958-5-9 Los Angeles Hills 2 miles east of Gorman 1097 Comment
  RSA100858  Chaenactis xantiana Palmer Stockwell 1935-5-16 1311 Los Angeles Near Gorman Comment
  HSC7983  Chamaesyce albomarginata C. S. Apperson 1967-6-3 Los Angeles 12 mi. W on Ave. D off of the Sierra Hwy. 762 Comment
  RSA499111  Chamaesyce albomarginata L. C. Wheeler 1936-7-7 4214 Los Angeles Coast highway 2.5 mi. E Dekker Ranch road, South side Santa Monica Mts. 6 Comment
  RSA616725  Chamaesyce albomarginata L. C. Wheeler 1966-8-20 8817 Los Angeles San Gabriel Mountains: Cabin Flat, Prairie Fork. 1645 Comment
  RSA602024  Chamaesyce melanadenia L. C. Wheeler 1964-6-8 8479 Los Angeles San Gabriel Mountains: Burbank Canyon, W of Thompson Creek Dam. Comment
  RSA638182  Chamaesyce melanadenia L. C. Wheeler 1969-3-9 s.n. Los Angeles San Gabriel Mountains: Ridge between mouth of Big & Little Dalton Canyon. 350 Comment
  UC1584702  Chamaesyce melanadenia Tim Ross 1991-3-24 4321 Los Angeles ridge to n Turnbull Canyan; Whittier Hills (Puente Hills, pro parte) 292 Comment
  RSA599215  Chamaesyce melanadenia L. C. Wheeler 1968-3-28 s.n. Los Angeles Foothills of San Gabriel Mountains: Vicinity of stables, Brown School for Girls. 335 Comment
  RSA607632  Chamaesyce prostrata L. C. Wheeler 1949-10-12 6756 Los Angeles Los Angeles. USC Campus, lawn west of Doherty Library on 36 St. Comment
  SBBG118147  Chamaesyce serpyllifolia F. R. Fosberg 1931-5-18 4912 Los Angeles rd between Eagles' Nest and Sweetwater Cyn Comment
  UCR114735  Chasmanthe aethiopica A. C. Sanders 1988-2-18 7684 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar. Blvd. 30 Comment
  RSA640938  Cheilanthes covillei L. C. Wheeler 1967-8-9 10407 Los Angeles San Gabriel Mts., Angeles National Forest: SE side Mt. Waterman, headwaters of Little Bear Creek 2286 Comment
  POM17282  Cheilanthes newberryi Philip A. Munz 1923-5-1 7777 Los Angeles Puddingstone Canyon, San Dimas 244 Comment
  RSA158335  Cheilanthes newberryi Peter H. Raven 1962-4-12 17310 Los Angeles Narrow Canyon south of canyon below Tomb, west side of San Clemente Island 274 Comment
  SBBG30060  Chenopodium album J. Snow 1932-1 Los Angeles Bryant Ranch, near Long Beach Comment
  RSA596508  Chenopodium ambrosioides L. C. Wheeler 1966-11-23 9141 Los Angeles San Gabriel Mountains. West Fork San Gabriel Canyon. Comment
  SEINET2441915  Chenopodium californicum E. N. Jellen 2010-5-6 1003 Los Angeles Santa Monica Mts. NRA, Arroyo Sequit, trailside by creek. 329 Comment
  RSA595001  Chenopodium murale Mark Hoefs, R. F. Thorne 1996-4-6 2611 Los Angeles Santa Catalina Island, Pebbly Beach. 6 Comment
  RSA534019  Chenopodium murale T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5306 Los Angeles San Clemente Island, ridge between the two forks of Near-Death Canyon (draining to Mosquito Cove). About 1000 ft. NNE of Rest (1336 ) marker. 396 Comment
  RSA533522  Chenopodium pratericola T. S. Ross 1991-3-9 4173 Los Angeles Whittier Hills (Puente Hills, pro parte): Seepage ca. 300 feet SW of Colima Road & Camino del Sur. 213 Comment
  RSA601744  Chenopodium pumilio L. C. Wheeler 1966-10-22 9048 Los Angeles Grandad's Ranch, Aliso Canyon. Comment
  RSA0068090  Chondrilla juncea John L. Thompson 2015-6-25 Hogbite 06 .2518 Los Angeles Near Descanso Motorway, Glendale. Comment
  CAS-BOT-BC250939  Chorizanthe parryi var. fernandina Mark A. Elvin; Cathleen Weigand 2003-4-8 2453 Los Angeles Santa Clarita Valley: Newhall Ranch Commerce Center, confluence of Hasley Canyon and Castaic Creek, N of Hwy 126 319 Comment
  RSA0012121  Chorizanthe parryi var. fernandina Mark A. Elvin 2003-4-24 2527 Los Angeles Valencia, Newhall Ranch, entrance to Magic Mountain Theme Park, survey area 62 366 Comment
  RSA791802  Chorizanthe parryi var. fernandina Mark A. Elvin, Cathleen Weigand 2003-4-8 2453 Los Angeles Santa Clarita Valley: Newhall Ranch Commerce Center, confluence of Hasley Canyon and Castaic Creek, north of highway 126. 319 Comment
  UCR161196  Chorizanthe spinosa T. B. Salvato, Melissa Clemons 2005-9-27 1241 Los Angeles West Mojave Desert, western edge of the Lancaster Sewage Disposal Ponds near the intersection of Hwy 14 and Avenue D, c. 4 miles SW of Rosamond (dry) Lake 704 Comment
  CAS-BOT-BC244731  Chorizanthe staticoides Geo. L. Moxley 1927-5-1 s.n. Los Angeles La Crescenta Comment
  RSA599828  Chorizanthe staticoides Steve Boyd, Lauren Raz 1997-5-6 9752 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  RSA783170  Chorizanthe staticoides Elizabeth A. Kempton, Eric Paul 2006-6-11 392 Los Angeles Roadside along N2, Ridge Road 1223 Comment
  SD186292  Chorizanthe staticoides Andy C. Sanders, Mark A. Elvin, et al. 2003-4-16 26045 Los Angeles NE end of Santa Susana Mts., Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park 366 Comment
  UCSB1356  Chorizanthe staticoides Wedberg, Lee 1954-5-17 Los Angeles Griffith Park 243 Comment
  RSA588071  Chorizanthe xanti Orlando Mistretta 1994-4-15 1052 Los Angeles San Gabriel Mountains, Santiago canyon. W slopes of drainage near confluence with Little Rock Creek. 1189 Comment
  SBBG62362  Chorizanthe xanti var. xanti R. Hoffmann 1927-6-8 Los Angeles Palmdale Comment
  RSA476625  Chrysolepis sempervirens Fordyce Grinnell Jr. 1910-9-20 s.n. Los Angeles Mt. Waterman 2591 Comment
  POM351993  Chrysothamnus nauseosus subsp. mohavensis George R. Johnstone 1929-9-8 s.n. Los Angeles Lancaster, Mojave Desert. Comment
  POM187763  Chrysothamnus teretifolius Thos. Craig 1933-10-9 2023 Los Angeles Hills 3 miles south of Vincent, border of San Gabriel Mts. Comment
  UCR186667  Cirsium occidentale var. californicum A. C. Sanders 2006-5-16 32352 Los Angeles Tehachapi Mtns. Foothills, off Gorman Post Rd. near the Bailey Substation, c. 1 mile west of Quail Lake 1067 Comment
  UCR191259  Cirsium occidentale var. californicum R. G. Swinney 1998-7-2 6215 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR258936  Cirsium occidentale var. californicum R. G. Swinney 2010-4-23 12339 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UC1587213  Cirsium occidentale var. occidentale Tim Ross, Orlando Mistretta, Mike Hammit 1991-5-20 5325 Los Angeles terrace flats between Box and Horse Canyon (w side of San Clemente Island); San Clemente Island 484 Comment
  RSA0024629  Cirsium vulgare Duncan S. Bell, Caitlin Elam 2013-6-24 5283 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
  UCR123362  Cirsium vulgare A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25476 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals 335 Comment
  RSA010941  Cistanthe monandra Fay A. MacFadden 1930-4-30 1628 Los Angeles Verdugo Mountains: Tuna Canyon. 335 Comment
  RSA595118  Cistanthe monandra Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8576 Los Angeles Liebre Mountains, upper West Fork Liebre Gulch along Angeles National Forest Road 8N05, 6.2 road miles from jtn with 8N05. 1174 Comment
  CAS-BOT-BC228707  Cistanthe umbellata Le Roy Abrams; E. A. McGregor 1908-7-3 608 Los Angeles North Baldy Mountain, San Gabriel Mountains 2743 Comment
  SEINET10825476 Image available Citrullus lanatus Heidi H. Schmidt 1999-10-14 Schmidt 3846 Los Angeles City of San Gabriel. Hawaii Supermarket: 120 East Valley Boulevard: San Gabriel, CA: 91776: (626) 307-0062 - phone. 110 Comment
  LA82396  Clarkia bottae O. H. Kappler; 1941-6-2 41 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UC1122387  Clarkia bottae A. D. Gifford 1934-4-25 164 Los Angeles 2 mi s Vejor; Triunfo Pass Quadrangle Comment
  UCSB4355  Clarkia bottae Ralph, F. 1959-5-15 Los Angeles Mint Canyon; at campground along U. S, Hwy. 6; 7.9 miles north of jct. with S Soledad Canyon Rd 457 Comment
  RSA702091  Clarkia cylindrica Scott D. White, Pam DeVries 2004-5-18 10422 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
  UCSB4290  Clarkia cylindrica Bobkowski, Vincent 1960-5-13 Los Angeles at east end of Mint Canyon Campgrnd; Off of Highway U. S. 6; at S.E. Corner of Angeles National Forest; East of The Oaks, California Comment
  RSA0055082  Clarkia deflexa Jim Shevock 1970-4-30 166 Los Angeles Off of Topanga Canyon. 274 Comment
  UC125396  Clarkia dudleyana E. D. Palmer Apr. 1902 Los Angeles near Occidental College Comment
  POM246438  Clarkia epilobioides F. R. Fosberg 1931-4-10 S- 4549 Los Angeles Avalon Canyon, Santa Catalina Island. 140 Comment
  RSA681347  Clarkia epilobioides LeRoy Gross, Bill Hogshead, Valerie Soza 2003-5-29 950 Los Angeles West end of the mountains: At junction (saddle) of Verdugo motorway and Wildwood Fire Road (Abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago)., We went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Mortorway) Basically a triangle. 564 Comment
  CAS-BOT-BC163708  Clarkia purpurea subsp. quadrivulnera Alice Eastwood 1928-6-15 15393 Los Angeles Claremont Comment
  RSA448281  Clarkia purpurea subsp. quadrivulnera Samuel R. Tyson 1942-5-29 s.n. Los Angeles San Dimas Canyon. Comment
  POM307162  Clarkia unguiculata Henry J. Ramsey, Henry J. Ramsey 1937-5-15 2008 Los Angeles Newhall Grade. Comment
  POM3155  Clarkia unguiculata H. M. Hall, H. P. Chandler 1906-6-12 7405 Los Angeles Near Saugus. Comment
  RSA725926  Clarkia unguiculata A. C. Sanders 2003-5-1 26244 Los Angeles Western San Gabriel Mtns.: southeast side of Castaic Mesa, east of Lake Hughes Rd. and the filtration plant, Newhall Ranch. 396 Comment
  UC61541  Clarkia unguiculata Ernest Braunton June 1903 896 Los Angeles Glendale to Burbank Comment
  RSA779999  Claytonia parviflora R. G. Swinney 2009-4-7 10282 Los Angeles San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte, under 2nd span from west 184 Comment
  UCR126738  Claytonia parviflora A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26238 Los Angeles Western San Gabriel Mtns., Charlie Canyon, Castaic Mesa area, east of Lake Hughes Rd. and the filtration plant, Newhall Ranch 366 Comment
  RSA527816  Claytonia parviflora subsp. parviflora Timothy S. Ross, Steve Boyd, Laurel Arnseth 1991-4-30 4977 Los Angeles Soledad Canyon Wash between Acton and Paris. 835 Comment
  RSA729538  Claytonia perfoliata R. G. Swinney 1998-6-16 6974 Los Angeles San Gabriel Mtns.: c. 0.6 mi. north of Cow Cnyon Saddle (Glendora Ridge Rd. at Cow Canyon Rd.) near trail to Lookout (Antonio) Mtn. 1524 Comment
  RSA748742  Claytonia perfoliata R. G. Swinney 2008-3-31 8586 Los Angeles Glendora Mountain summit 1003 Comment
  SEINET3245768  Claytonia perfoliata T. B. Salvato, Sandra Murcia 2007-1 2014 Los Angeles San Gabriel Mountains: Angeles National Forest, lower Santa Anita Canyon at the upper end of Santa Anita Reservoir 411 Comment
  POM158016  Claytonia perfoliata subsp. mexicana M. B. Dunkle 1928-3-31 1797 Los Angeles Santa Catalina Island. Cottonwood Canon 183 Comment
  OBI36522  Claytonia perfoliata subsp. mexicana Mark Schneider 1973-1 s.n. Los Angeles Figueroa Mtn Comment
  RSA386215  Clematis lasiantha L. E. Hoffman 1931-5-18 s.n. Los Angeles Big Santa Anita Canyon. Comment
  RSA84465  Clematis lasiantha F. W. Peirson 1926-3-20 6516 Los Angeles Arroyo Seco, near Pasadena 915 Comment
  UC1605449  Clematis lasiantha Tim Ross, Steve Boyd 1993-5-23 7279 Los Angeles 430-500 m ssw of Plum Spring (between Red Mountain's long E ridge and a small peak (3227 ft), to upper Clearwater Canyon, Liebre Mountains); Liebre Mountains 874 Comment
  UC853905  Clematis lasiantha Louis C. Wheeler 1932-7-2 886 Los Angeles E. Fork San Dimas Canyon San Gabriel Mts., E. Fork San Dimas Canyon 914 Comment
  RSA0051760  Clematis lasiantha Lee Haines 1951-4-15 517 Los Angeles Topanga Canyon. 152 Comment
  RSA0080741  Clematis ligusticifolia R. G. Swinney 2010-8-11 13516 Los Angeles Big Santa Anita Canyon, 100-200 m below Chantry Flats on Chantry Flat Trail/Rd. 598 Comment
  RSA545248  Cleome isomeris D. Propst 1973-3-3 45 Los Angeles Santa Catalina Island; Road just above Escondido. 229 Comment
  RSA603000  Cleome isomeris L. C. Wheeler 1933-4-27 1673 Los Angeles N base San Pedro Hills near Walteria. 30 Comment
  CAS-BOT-BC423125  Cleomella obtusifolia A. D. E. Elmer 1902-6-1 3629 Los Angeles Lancaster Comment
  UCR232385  Cleomella obtusifolia Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-19 8065 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, along east side of Sierra Highway, 230 m south of Avenue E 702 Comment
  UCR187201  Collinsia bartsiifolia A. C. Sanders 2006-4-18 32113 Los Angeles Tehachapi Mtns. Foothills, lower Oso Canyon, c. 1 mile north of Quail Lake 1006 Comment
  UCR223205  Collinsia callosa R. G. Swinney 2009-6-24 11255 A Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  RSA0076347  Collinsia callosa F. W. Peirson 1921-6-15 2443 Los Angeles Abundant from Pine Flats to Islip, in the Chilao district, San Gabriel Mountains. (Pine Flats is now Charlton Flats; presumably Mt. Islip is what is referred to simply as 'Islip' - R.C.B.) 1646 Comment
  RSA182321  Collinsia heterophylla John Olmsted 1962-4-30 3407 Los Angeles 1960 Johnstone Park burn, from west fork of San Dimas Creek to Wolfskill Falls 457 Comment
  SD66890  Collinsia heterophylla R. Mitchell Beauchamp 1967-3-18 269 Los Angeles San Clemente Island, slopes of canyon below Lemon Tank Comment
  CAS-BOT-BC240947  Collinsia parryi Frank W. Peirson 1923-5-21 3514 Los Angeles Fish Canyon, San Gabriel Mts. 731 Comment
  UC1971291  Collinsia parryi Russell S. Woglum 1942-5-20 3330 Los Angeles Transverse Ranges: Angeles Crest Highway; San Gabriel Mountains; Angeles National Forest Comment
  RSA0035075  Collinsia parryi Lee Haines 1951-4-5 s,n, Los Angeles Chatsworth Hills. 243 Comment
  RSA0117315  Collinsia parviflora Steve D. Boyd, Lauren Raz 1997-5-1 9674 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
  SEINET2445255  Collomia grandiflora Tim Ross, Steve Boyd 1994-6-22 8023 a Los Angeles Liebre Mountains. N slope of Sawmill Mountain Complex: ca 1200 m (air) due E of Sawmill Mountain summit, along draw draining N to Hideaway Canyon. Burnt Peak 7/5' USGS Quadrangle.; 0 1500 Comment
  RSA291702  Colutea arborescens C. W. Tilforth 1981-12-10 2193 Los Angeles Along old road from Chantry Flat to East fork Santa Anita Rier Comment
  CAS-BOT-BC59724  Comarostaphylis diversifolia subsp. planifolia Brandegee 1889-1-1 12 Los Angeles Santa Catalina Island. Comment
  RSA650267  Conium maculatum Leonard Brown 1948-5-13 s.n. Los Angeles Found on the west side of Chino near the Cal. Aero airfield. 224 Comment
  RSA660900  Conium maculatum Ann Williams 1992-5-14 9 -92 Los Angeles End of Canyon Dr., .2 miles off Penn St. and 100 yds. E of Whittier College track. 152 Comment
  UCR95188  Convolvulus simulans T. S. Ross 1995-5-21 8604 Los Angeles San Clemente Island, near head of Chenetti Canyon, just SW of the W prong of the trident formed at the top of the longest tributary; 1800 ft. SSE of Rest triangulation point (1336 ft.) 354 Comment
  HSC5501  Conyza canadensis W. H. Kinch 1954-9-30 16 Los Angeles Padua Ave. N Claremont, San Antonio Wash. 335 Comment
  CDA41365  Cordylanthus filifolius G. C. Fleischman 1943-8-4 s.n. Los Angeles On highway through San Gabriel Mountains to Palmdale. 0 Comment
  UCR180024  Cordylanthus rigidus R. G. Swinney, Dave Larson 1996-8-7 5227 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, southern third of west half of Brown's Flat 1317 Comment
  CAS-BOT-BC287865  Coreopsis californica C. F. B. 1903-4-15 409 D Los Angeles Claremont Comment
  JEPS17079  Coreopsis californica var. californica Rimo Bacigalupi 1955-4-6 4818 Los Angeles 1 mi nw of Edwards Air Force Base (Muroc Lake); Mojave Desert 685 Comment
  POM356027  Coreopsis gigantea Reid V. Moran 1941-2-26 628 Los Angeles Santa Catalina Island. Indian Rock, Wilson's Harbor 5 Comment
  CAS-BOT-BC105680  Corethrogyne filaginifolia Carl B. Wolf 1932-9-15 4080 Los Angeles Mint Canyon, 9 1/2 mi. above Saugus, opposite Glenwood's Cafe on highway 457 Comment
  SBBG31135  Corethrogyne filaginifolia R. F. Thorne 1966-9-16 36723 Los Angeles Wrigley Drive above Pebbly Beach 45 Comment
  SBBG79573  Corethrogyne filaginifolia F. R. Fosberg 1931-7-11 5375 Los Angeles Middle Ranch Cyn at mouth of Cape Cyn 200 Comment
  UC63364  Corethrogyne filaginifolia Jos. Burtt Davy 1901-6-1 7772 Los Angeles Redondo Comment
  SEINET10615503  Corethrogyne filaginifolia var. filaginifolia David B. Dunn 1941-2-23 Dunn 693 Los Angeles Two blocks north of Santa Monica Blvd. on Westwood Blvd. Comment
  CATA2208  Cotoneaster pannosus Sara L. Crockett 1997-3-14 90 Los Angeles Santa Catalina Island: Hillside adjacent to small park at base of Avalon Canyon Road near 5-way intersection, below steps leading up to Country Club Drive 36 Comment
  UCR95170  Cotoneaster pannosus L. C. Wheeler 1970-1-4 s.n. Los Angeles Transverse Range; San Gabriel Mtns., Santa Anita Canyon, just upstream from Winter Creek 549 Comment
  UCR142952  Cotula australis L. C. Wheeler 1936-3-8 4081 Los Angeles San Gabriel Mtns, Millard Canyon 457 Comment
  RSA709535  Crassula connata A. C. Sanders 2003-4-29 26160 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 396 Comment
  UCR125496  Crassula connata A. C. Sanders, Mark Elvin 2003-4-14 25975 Los Angeles Santa Clara River watershed, Newhall Ranch, c. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 305 Comment
  SBBG17378  Crassula connata K. A. Wilson 1962-4-3 1262 Los Angeles Old Topanga Cyn Rd, one half mi NW of New Topanga Cyn Rd Comment
  RSA535292  Crassula connata var. eremica Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5334 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons 485 Comment
  RSA135134  Crassula connata var. subsimplex P. H. Raven, Henry J. Thompson 1960-4-13 15074 Los Angeles NW slope of Mt. Hollywood 335 Comment
  RSA0039466  Crepis nana J. R. Shevock 1974-10-4 3871 Los Angeles On the south side of the summit, Mt. Baden-Powell. San Gabriel Mountains. Angeles National Forest. 2866 Comment
  CAS-BOT-BC175832  Crossosoma californicum Carl B. Wolf 1932-5-9 3493 Los Angeles Santa Catalina Island. Along road to Renton Mine, about due West of Pebbly Beach 304 Comment
  SD106228  Crossosoma californicum K. Nakai 1980-3-23 565 Los Angeles Palos Verde Hill, Forrestal Drive Comment
  SD108878  Crossosoma californicum James Henrickson 1977-12-5 16341 Los Angeles Rancho Palos Verdes, Forrestal Drive 185 Comment
  SDSU5817  Crossosoma californicum D. F. Howe 1968-2-24 4487 Los Angeles On south side of Fourth of July Cove, Santa Catalina Island. Comment
  SBBG67679  Croton californicus R. Hoffmann 1931-5-3 Los Angeles lower Bouquet Cyn Comment
  RSA247353  Croton californicus var. tenuis Gary D. Wallace, G. Cromwell 1966-4-30 521 Los Angeles Along the bluffs of Palos Verdes Penninsula, near Marrineland of the Pacific. Comment
  SEINET3271567 Image available Crypsis schoenoides R. G. Swinney 2008-9-9 9321 Los Angeles San Gabriel Mtns. Little Rock Creek, 0.2 mi north of Little Rock Reservoir. 960 Comment
  SBBG113286  Crypsis vaginiflora S. A. Junak with M. L. Hoefs 1997-6-4 SCa 424 Los Angeles W side of Little Springs Reservoir 131 Comment
  UCD59994  Crypsis vaginiflora Bellue and Henson 1944-10-1 s. n. Los Angeles Rosecrans Ave., Old Municipal Airport. Comment
  RSA0091784  Cryptantha R. G. Swinney 2011-7-7 15442 Los Angeles Colby Ranch (Camp Colby), S end of Inspiration Canyon Tr., in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  RSA593453  Cryptantha circumscissa Steve Boyd 1996-4-24 8642 Los Angeles Liebre Mountains, northwestern base of the range at the extreme southeastern end of Peace Valley along Angeles National Forest Road 8N01 6.7 road miles from jtn with 8N05 and ca 1.0 road mile from West Branch California Aqueduct. 1098 Comment
  SBBG18986  Cryptantha circumscissa M. A. Piehl 1963-5-30 63498 Los Angeles St Hwy 138, 1.5 mi W of county line near Pearblossum 1213 Comment
  SD230183  Cryptantha circumscissa Louis C. Wheeler 1968-5-27 Los Angeles San Gabriel Mountains: Alimony Ridge. 1493 Comment
  UC1212103  Cryptantha clevelandii Peter H. Raven and Henry J. Thompson 1960-5-29 15432 Los Angeles Triunfo Pass Santa Monica Mountains 640 Comment
  UCD119640  Cryptantha clevelandii Robert F. Thorne; M. Z. Thorne 1973-2-12 42470 Los Angeles Santa Catalina Island, north of Marine Science Station at Fisherman's Cove. 45 Comment
  RSA775501  Cryptantha clokeyi Orlando Mistretta, Christine Mistretta 2010-5-20 5161 Los Angeles San Gabriel Mountains region: Aliso Creek, slopes W of Angeles Forest Hwy., 0.6 miles S of jct. with Aliso Cyn. Rd. 1280 Comment
  CATA699  Cryptantha intermedia Mark L. Hoefs 1991-5-3 1194 Los Angeles Santa Catalina Island: Bluff between Hamilton Cove and Descanso Beach 82 Comment
  RSA783079  Cryptantha intermedia Pam De Vries 2011-4-20 7778 Los Angeles Western Transverse Range, SW portion of the Liebre Mountains; about 0.5 air miles NNE of the intersection of Copper Hill and San Francisquito Canyon Road 426 Comment
  SDSU5420  Cryptantha intermedia R. M. Beauchamp 1967-3-18 303 Los Angeles San Clemente Island. Comment
  UC1922280  Cryptantha intermedia Valerie Soza, Susan Caplow 2003-4-11 1633 Los Angeles Transverse Ranges; Verdugo Mountains region; Brand Park vicinity, upper Brand Canyon, alongside Brand Park Mtwy. 549 Comment
  UCR146877  Cryptantha intermedia L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mtns, Aliso Canyon, c. 0.5 mi [southeast] of Blum Ranch 945 Comment
  RSA518012  Cryptantha micrantha Steve Boyd, Orlando Mistretta 1986-3-31 1548 Los Angeles Mojave Desert: Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  UC1929625  Cryptantha micrantha Valerie Soza, Sarah J. De Groot 2003-6-18 1695 Los Angeles Transverse Ranges; San Gabriel Mountains region; Mount Hillyer Trail from Horse Flats Campground. 1829 Comment
  RSA191110  Cryptantha microstachys R. F. Thorne 1967-6-25 37115 Los Angeles In chaparral on dry, rocky bank along fire road between Cobal and Evey Canyons 732 Comment
  RSA0084656  Cryptantha muricata R. G. Swinney 2010-3-10 11817 Los Angeles NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  UCR139908  Cryptantha muricata Scott D. White 1997-5-14 5136 Los Angeles Base of San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, SW of 210 Freeway, east of Hansen Dam and north of Wentworth Street 351 Comment
  UCR270019  Cryptantha muricata R. G. Swinney 2010-4-13 12185 Los Angeles San Gabriel Mountains, 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom 610 Comment
  SEINET13297584 Image available Cryptantha muricata var. denticulata R. G. Swinney 2011-1 14472 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  SEINET13383024 Image available Cryptantha muricata var. denticulata R. G. Swinney 2011-1 14886 Los Angeles Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1096 Comment
  UCR280691  Cryptantha muricata var. denticulata R. G. Swinney 2014-5-27 16660 Los Angeles San Gabriel Mountains, Glendora, ridge between east and north forks of Hook Cyn., c. 400 m south of Glendora Ridge Mtwy. & 200 m north of Church of the Open Door, NE of Hook Cyn. debris basin 445 Comment
  RSA0079402  Cryptantha muricata var. jonesii R. G. Swinney 2000-6-19 7817 Los Angeles San Gabriel Mtns.: Pine Mountain, north of Azusa. 1384 Comment
  RSA0092533  Cryptantha muricata var. jonesii R. G. Swinney 2011-6-22 15247 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. 1780 Comment
  RSA0079604  Cryptantha muricata var. muricata L. C. Wheeler 1967-5-18 9616 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  RSA0013163  Cryptantha nevadensis var. rigida Orlando Mistretta, Christine Mistretta 2011-6-11 5683 Los Angeles 0.32 miles S of Aliso Canyon Rd. and Southern California Edison transmission line Corridor, 3.05 miles NW of intersection of Aliso Cyn Rd. and Angeles Forest Hwy. 1068 Comment
  RSA653131  Cryptantha nevadensis var. rigida A. C. Sanders, D. Malueg, K. D. Jones 1998-6-22 22000 Los Angeles San Gabriel Mtns.: Soledad Pass area at N foot of mtns, ca. 5 miles SW of Palmdale, along SCE Mesa-Vincent power line at pole 18-03, just S of Vincent Substation. 984 Comment
  UCR277192  Cryptantha nevadensis var. rigida R. G. Swinney 2011-4-19 14417 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
  SD237370  Cryptantha pterocarya R. G. Swinney 2009-4-28 10537 Los Angeles Transverse Range; San Gabriel Mountains: summit of Mt. Emma. 1584 Comment
  RSA0079525  Cryptantha pterocarya var. pterocarya R. G. Swinney 2008-5-5 8769 Los Angeles Punchbowl Canyon at north boundary of Devils Punchbowl County Park, confluence of East and West Forks of Punchbowl Cyn, 0.3 mi. south of Big Rock Creek 1256 Comment
  RSA578721  Cryptantha similis T. S. Ross, J. M. Porter 1994-5-1 7570 Los Angeles Southwestern Mojave Desert: Open desert ca. 1870 m SW of Three Sisters buttes, along Black Butte Basin Road. 961 Comment
  SEINET10625756  Cucumis melo Heidi H. Schmidt 1999-10-14 Schmidt 3844 Los Angeles City of San Gabriel. Hawaii Supermarket: 120 East Valley Boulevard: San Gabriel, CA: 91776: (626) 307-0062 - phone. 110 Comment
  POM4558  Cucurbita foetidissima L. R. Abrams 1902-6-10 2508 Los Angeles Near Playa del Rey. Comment
  RSA394304  Cucurbita foetidissima Jack Rempel 1932-5-9 s.n. Los Angeles El Segundo. Comment
  UCR108337  Cupressus arizonica subsp. nevadensis Steve Boyd, R. K. Brummitt, Laura A. Moore 1998-5-26 10232 Los Angeles Liebre Mtns Region, Warm Springs Mtn, c. 0.5 mi west of the peak along ridgeline dividing Warm Springs Canyon & Necktie Basin. Comment
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Apr 11 2006
  UCR190799  Cuscuta californica R. G. Swinney 2001-5-18 7939 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
  RSA709607  Cuscuta californica var. californica A. C. Sanders, A. Thompson 2003-4-15 25992 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park. 305 Comment
  RSA550693  Cuscuta indecora T. S. Ross, Annette H. Ross 1991-7-29 5706 Los Angeles Elephant Hill: N-most point of the Puente Hills, W Pomona. 229 Comment
  UCR180567  Cuscuta pentagona Scott D. White, Andrea Warniment 2006-7-18 11634 Los Angeles SE Tehachapi Mtns, Gorman area, riparian zone along Gorman Creek, NE of the I-5 Freeway 1098 Comment
  JEPS47135  Cuscuta subinclusa Frank W. Peirson 1918-6-28 150 Los Angeles e of Rubio Canyon 609 Comment
  LA202429  Cyclospermum leptophyllum Arthur C. Gibson; 2005-5-5 5070 Los Angeles Comment
  UCR277418  Cylindropuntia californica var. parkeri R. G. Swinney 2010-10-5 13978 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, west of 'Oak of the Golden Dreams', at west boundary of park 451 Comment
  SBBG13325  Cylindropuntia prolifera E. R. Blakley 1962-6-10 5239 Los Angeles above and N of Seal Cove 60 Comment
  RSA483540  Cynodon dactylon Robert Gustafson 1960-9-16 1921 Los Angeles Ballona Wetlands, Area 2. Comment
  RSA603548  Cyperus eragrostis Mark Hoefs, Steven A. Junak, Janet Takara, M. Gay 1995-7-14 2384 Los Angeles Santa Catalina Island. By upper Cape Canyon Reservoir. 323 Comment
  SDSU11714  Cyperus eragrostis A. H. Gallup 1947-10-13 60 Los Angeles Below Morris Dam in San Gabriel 732 Comment
  UCR273911  Cyperus eragrostis Steven A. Junak 1999-5-8 SCa- 911 Los Angeles California Islands, Santa Catalina Island. Lower part of Fern Canyon, just 0.3 mile upstream from junction with Cottonwood Canyon 122 Comment
  POM214245  Cyperus erythrorhizos L. C. Wheeler 1931-9-6 147 Los Angeles Puddingstone Lake, San Jose Hills, S San Dimas. 259 Comment
  UC519991  Cyperus esculentus Louis C. Wheeler 1932-9-19 1397 Los Angeles at Los Feliz Blvd. Los Angeles R. 121 Comment
  RSA226014  Datisca glomerata R. F. Thorne, C. W. Tilforth 1971-6-29 40658 Los Angeles 0.5 mi below Little Rock Dam 944 Comment
  SEINET3164208  Datisca glomerata G. B. Grant 1901-1-1 268 Los Angeles Sierra Madre Mts., S. Cal. 610 Comment
  RSA652700  Datura wrightii Phillip Robinson 1991-5-12 359 Los Angeles Sycamore Canyon 0.25 miles south of intersection of Beverly Blvd. and Workman Mill Road. 0.5 miles east of Workman Mill Rd on trail into Canyon. [City of Industry, sw of Rio Hondo College, east of 605 Fwy.] Comment
  POM50352  Daucus pusillus L. R. Abrams 1901-4-11 1488 Los Angeles Santa Monica Canyon, Santa Monica Mountains. Comment
  SBBG43847  Deinandra clementina M. R. Benedict 1971-6-27 Los Angeles ca. 0.5 mi S of Wilson Cove Comment
  SBBG95892  Deinandra clementina M. B. Dunkle 1939-4-2 7214 Los Angeles San Clemente Island Comment
  CAS-BOT-BC299314  Deinandra fasciculata unspecified 1902-6-27 s.n. Los Angeles Catalina Island Comment
  UC625063  Deinandra fasciculata F. R. Fosberg 1931-5-21 S 4930 Los Angeles Parson's Landing Santa Catalina Island (grassy hillside facing ocean) 20 Comment
  CAS-BOT-BC299275  Deinandra fasciculata John H. Thomas 1957-5-31 6802 Los Angeles Occidental College Campus, Los Angeles Comment
  UCR227572  Deinandra minthornii Naomi Fraga, Duncan S. Bell 2009-10-15 3158 Los Angeles Transverse Ranges; Santa Susana Mountains region, Simi Hills. north slope of Simi Peak 689 Comment
  RSA394505  Delphinium cardinale Anstruther Davidson 1892-6-14 s.n. Los Angeles Los Angeles area, illegible label locale. Comment
  UCR269928  Delphinium parishii R. G. Swinney 2010-6-1 13091 Los Angeles San Gabriel Mountains, lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy 1098 Comment
  RSA679834  Delphinium parishii subsp. parishii LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 893 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway. 1143 Comment
  RSA590660  Delphinium parishii subsp. parishii Tim S. Ross, S. D. Boyd 1990-5-31 2738 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  UC56748  Delphinium parryi Avis Smith May 1899 1 Los Angeles Claremont 365 Comment
  RSA398706  Delphinium parryi R. J. Smith 1934-5-24 s.n. Los Angeles Santa Catalina Island. Comment
  CAS-BOT-BC121375  Delphinium parryi subsp. maritimum Mrs. C. E. Miller 1918-6-10 s.n. Los Angeles Catalina Island harbor Comment
  CAS-BOT-BC116271  Delphinium parryi subsp. parryi J. Ewan 1930-5-30 2249 Los Angeles Santa Monica Mts. 304 Comment
  CAS-BOT-BC116386  Delphinium patens subsp. montanum Wesley O. Griesel 1962-5-12 S. N. Los Angeles San Gabriel Mts. n trail from Charleton Flats to Chilas Camp. 1524 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
  RSA433209  Dendromecon rigida G. R. Johnstone 1930-3-30 s.n. Los Angeles Mint Canyon, 14 mi from Saugus. Comment
  CAS-BOT-BC82907  Dendromecon rigida Peter H. Raven 1959-3-8 13841 Los Angeles Santa Monica Mountains. On Mulholland Drive 5.0 miles east of Beverly Glen Canyon. 335 Comment
  CATA2979  Descurainia pinnata Peter J. Dixon 2015-2-19 010 Los Angeles Santa Catalina Island: Little Harbor on slope above beach and dune. 50 m North of mean tide line. 6 Comment
  UCR110889  Descurainia pinnata A. C. Sanders, D. Malueg, K. D. Jones 1998-6-22 21997 Los Angeles San Gabriel Mtns., Soledad Pass area at the N foot of the mtns, c. 5 miles SW of Palmdale, along SCE Mesa-Vincent power line at pole 18-03, just south of Vincent Substation 1000 Comment
  RSA598850  Descurainia pinnata subsp. glabra Steve Boyd, Timothy S. Ross 1997-3-21 9222 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
  UCD114779  Descurainia sophia Col. R. A. Blanchard 1931-5-2 2188 Los Angeles Lancaster. Comment
  UCD114781  Descurainia sophia J. Doty 1969-4-19 632 Los Angeles beside Avenue K-8, 0.5 mile west of 170th Street, 20 miles east of Lancaster in northeastern part of county. 762 Comment
  RSA0115412  Dicentra chrysantha R. G. Swinney 2010-10-5 13994 Los Angeles San Gabriel Mountains; east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons. 549 Comment
  RSA599343  Dichelostemma capitatum Steve Boyd, Lauren Raz 1997-3-26 9372 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
  UC3242  Dichelostemma capitatum Jos. Burtt Davy 1901-3-1 Los Angeles Saugus Comment
  UC792431  Dichelostemma capitatum Ira L. Wiggins 1949-2-22 11959 Los Angeles n end San Clemente Island Comment
  RSA649610  Dichelostemma capitatum subsp. capitatum Lori Ackerman, Gerald Braden 1988-4-22 17 Los Angeles North end of West Fork River, San Gabriel Mountains. Comment
  SD124540  Diplacus brevipes J. Sauer 1980-4-26 6088 Los Angeles West end San Gabriel Mountains: Placerita Canyon Comment
  CAS-BOT-BC153049  Diplacus fremontii Geo. B. Grant 1904-5-7 6203 Los Angeles Glendora Comment
  CAS-BOT-BC150626  Diplacus longiflorus Timothy S. Ross 1992-5-24 6413 Los Angeles Brown's Gulch: (draining to San Gabriel Canyon at the base of San Gabriel Dam) 475 Comment
  SD90595  Diplacus puniceus Robert F. Thorne 1970-3-5 39363 Los Angeles Santa Catalina Island; N slope of Blackjack Mt. 456 Comment
  CAS-BOT-BC195609  Distichlis spicata Ernest C. Twisselmann 1970-9-8 17487 Los Angeles Antelope Valley: Avenue A 0.2 mile east of 30th Street West 731 Comment
  SBBG12194  Distichlis spicata E. R. Blakley 1961-9-23 4723 Los Angeles Ballast Pt, Catalina Harbor Comment
  SBBG37866  Distichlis spicata M. B. Dunkle 1939-4-7 7331 Los Angeles by a lagoon, Pyramid Cove Comment
  SEINET10564504  Distichlis spicata var. stricta LeRoy R. Abrams 1902-6-9 Abrams 2499 Los Angeles Playa del Rey, salt marsh. Comment
  UC1536943  Dithyrea californica Gordon H. True Jr. 1935-3-5 51 Los Angeles Lovejoy Butte Comment
  HSC6730  Dithyrea californica M. B. Walsh 1966-4-6 - 62 Los Angeles 5 mi. W of El Mirage Ranch along Palmdale-Adelanto county road Comment
  UCSB2314  Dithyrea californica Kamb, Peter 1947-3-15 Los Angeles Eastern end of Lovejoy Buttes, Antelope Valley 853 Comment
  RSA65163  Dodecahema leptoceras F. W. Peirson 1921-6-21 2455 Los Angeles West Fork of San Gabriel River, San Gabriel Mts. 640 Comment
  POM3624  Dodecatheon clevelandii subsp. clevelandii Dee Dee Abbott s.n. Los Angeles Claremont, Live Oak Canyon. 610 Comment
  SBBG31341  Dodecatheon clevelandii subsp. insulare R. F. Thorne 1966-4-4 35776 Los Angeles Blue Cavern Pt 30 Comment
  RSA597174  Draba cuneifolia L. C. Wheeler 1950-2-19 6758 Los Angeles Kinneloa Canyon near mouth. 304 Comment
  POM366518  Drymocallis glandulosa var. glandulosa Anstruther Davidson 1890-04 s.n. Los Angeles Near Burbank Comment
  POM175375  Drymocallis glandulosa var. reflexa West, Helen E. Sweet, E. Crow 1930-7-12 s.n. Los Angeles Near Pine Flats: north Fork- San Gabriel Canyon. Comment
  RSA747677  Drymocallis glandulosa var. viscida R. G. Swinney 2001-9-15 8187 Los Angeles San Gabriel Mountains: Little Jimmy Spring. 2256 Comment
  RSA549193  Dryopteris arguta T. S. Ross, Peter Fritsch 1990-6-20 3684 Los Angeles San Gabriel Mountains: Rincon-Red Box Rd (2N24); ridgetop between W Fork San Gabriel River and Roberts Canyon 1329 Comment
  RSA693700  Dryopteris arguta T. S. Clare 1929-3-28 s.n. Los Angeles Topanga Canyon. Comment
  SD82014  Dryopteris arguta Louis C. Wheeler 1931-7-28 Los Angeles San Antonio Mountains, Coble's Canyon 580 Comment
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Jan 2 2014
  RSA423500A  Dudleya cymosa subsp. pumila Anstruther Davidson 1915-8-1 s.n. Los Angeles Camp Baldy. Comment
  RSA423525  Dudleya densiflora H. G. Rush 1948-4-10 s.n. Los Angeles San Gabriel Canyon, near second river bridge on hillsides 152 Comment
  RSA497542  Dudleya densiflora W. Wisura, Orlando Mistretta 1989-6-7 4376 Los Angeles San Gabriel Canyon Near El Encanto, Comment
  SD90481  Dudleya hassei Robert F. Thorne 1970-3-6 39399 Los Angeles Santa Catalina Island; Indian Rock in Emerald Bay. 14 Comment
  RSA653911  Dudleya lanceolata Valerie L. Soza, LeRoy Gross, Adelina Munoz 2000-5-12 896 Los Angeles Verdugo Mountains, northwest side: Northwestern end of Verdugo Crestline Drive from New Home Avenue, Sunland. Ridge east of 210 Fwy and west of fire road, south (above) water tank. 488 Comment
  UC1127122  Dudleya lanceolata Jerome S. Horton 1937-5-19 446 Los Angeles San Dimas Canyon Trail to flumes 4 and 5 Pomona Quadrangle 579 Comment
  SDSU5761  Dudleya virens Jim Dice, Michael Donoghue & Terry Martin 1983-6-7 351 Los Angeles Point Vicente, 0.4 km. east of lighthouse, on north-facing slope along south edge of Palos Verdes Drive South. 67 Comment
  CATA3559  Dudleya virens subsp. hassei Peter J. Dixon 2018-6-25 123 Los Angeles Santa Catalina Island: Channel side; Isthmus Harbor, 0.2 mi SE of village of Two Harbors, between village and Two Harbors Campground. Rocky sea bluff, schist. 3 Comment
  RSA7707  Dudleya virens subsp. hassei C. B. Wolf 1932-5-14 1496 Los Angeles Between Avalon and Pebbly Beach, Santa Catalina Island. 30 Comment
  RSA188921  Dudleya virens subsp. insularis R. F. Thorne 1965-6-23 34930 Los Angeles Santa Catalina Island. Upper part of Middle Ranch Canyon. 274 Comment
  UCR210237  Dysphania ambrosioides R. G. Swinney 2008-10-20 9655 Los Angeles San Gabriel Mountains, San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  RSA778912  Dysphania pumilio R. G. Swinney 2009-6-27 11284 Los Angeles San Gabriel River Wash, Azusa/Duarte border, 0.5 mi. north of Puente Largo railway bridge 194 Comment
  POM365252  Echinochloa crus-galli H. L. Bauer 1928-10-15 s.n. Los Angeles Long Beach. Comment
  RSA603320  Echinochloa crus-galli Scott D. White 1997-5-21 5193 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
  UCR209415  Eclipta prostrata R. G. Swinney 2008-12-2 9917 Los Angeles San Gabriel Mtns., mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east 177 Comment
  SBBG42097  Ehrharta erecta S. A. Junak 1998-6-13 SCa 743 Los Angeles Avalon, in planted area at Casino Building 7 Comment
  LA15804  Eleocharis montevidensis A. M. Johnson; 1932-5-30 4072 Los Angeles Santa Monica Mountains, Brent's Mountain, Crag's Camp 152 Comment
  RSA365360  Eleocharis montevidensis Grethe Markedahl 1923-4-23 s.n. Los Angeles San Gabriel River. Comment
  RSA748075  Eleocharis palustris R. G. Swinney 2005-5-21 8272 Los Angeles Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, west of and adjacent to Longview Road 1216 Comment
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Nov 5 2010
  POM8742  Eleocharis palustris Phillip A. Munz, R. D. Harwood 1920-5-15 3957 Los Angeles Near Santa Monica. 152 Comment
  SD69017  Eleocharis palustris Robert F. Thorne, D. Propst 1968-5-29 37699 Los Angeles Santa Catalina Island: wet, sandy mud margins of south end of Hay Press Reservoir 404 Comment
  CAS-BOT-BC112160  Eleocharis radicans Ernest Braunton 1902-10-1 725 Los Angeles Oak Knoll Comment
  LA91504  Elymus condensatus Bruce Douglas Clayton; Greg Shaw 1972-4-20 104 Los Angeles SANTA MONICA MOUNTAINS, Blackrill Canyon, Mountain Park Research Campus, near spring in canyon section E. 536 Comment
  POM50623  Elymus elymoides A. D. E. Elmer 1902-06 3749 Los Angeles Lancaster. Comment
  UCR141227  Elymus elymoides June Latting 1973-4-29 s.n. Los Angeles Mojave Desert, near Three Sisters hills along Black Butte Road, Antelope Valley, NE of Llano 976 Comment
  RSA729877  Elymus glaucus R. G. Swinney 1998-7-28 6521 Los Angeles San Gabriel Mtns.: south fork of Cow Canyon at and above Fallen Leaf spring, to 0.2 mi. south of Glendora Ridge rd. 1366 Comment
  UCR150553  Elymus glaucus R. G. Swinney 1999-6-21 7351 Los Angeles San Gabriel Mtns., spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  CAS-BOT-BC206760  Elymus glaucus subsp. glaucus Timothy S. Ross; Orlando Mistretta 1993-5-26 7318 Los Angeles Santa Clara Road U.S.F.S. between Wilson Canyon Saddle and May Canyon Saddle, N slope of the 3834 foot peak NW of May Canyon Saddle, W end of the San Gabriel Mtns. 1109 Comment
  RSA0098767  Elymus glaucus subsp. glaucus R. G. Swinney 2011-6-1 14947 Los Angeles San Gabriel Mountains: Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy 1096 Comment
  UCD62330  Elymus glaucus subsp. glaucus Louis C. Wheeler 1967-6-26 9905 Los Angeles San Gabriel Mountains: Placerita Canyon. 609 Comment
  RSA0127377  Elymus glaucus subsp. glaucus Louis C. Wheeler 1967-7-20 10134 Los Angeles Aliso Canyon. 1067 Comment
  UCD62461  Elymus multisetus B. A. Madson 1931-4-1 Los Angeles Lancaster. 762 Comment
  RSA401544  Emmenanthe penduliflora M. B. Dunkle 1931-4-22 2446 Los Angeles Santa Catalina Island, Middle Ranch Canyon. Comment
  RSA401560A  Emmenanthe penduliflora Freda Detmers 1931-4-1 s.n. Los Angeles Griffith Park. Comment
  SFV2954  Emmenanthe penduliflora K. A. Wilson 1961-3-1 884 Los Angeles Santa Monica Mountains Mulholland Highway about 2 miles west of Las Virgenes Highway. 300 Comment
  UCR220157  Emmenanthe penduliflora R. G. Swinney 2009-4-2 10261 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road 1235 Comment
  UCR271826  Emmenanthe penduliflora R. G. Swinney 2010-3-24 12064 Los Angeles San Gabriel Mountains, Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA0056302  Emmenanthe penduliflora James R. Shevock 1971-4-25 1021 Los Angeles Tapia Co. Park. 304 Comment
  LA200515  Emmenanthe penduliflora var. penduliflora Jonathan Sauer; D. Birindelli, L. Birindelli 1969-6-21 4597 Los Angeles Santa Monica Mountains, Saddle Peak, near Saddle Peak Comment
  CAS-BOT-BC131153  Encelia actoni Le Roy Abrams; E. A. McGregor 1908-7-2 548 Los Angeles Rock Creek, slopes of the San Gabriel Mountains 1158 Comment
  CATA618  Encelia californica Mark L. Hoefs 1991-4-8 1069 Los Angeles Santa Catalina Island: Side canyon (Rattlesnake Canyon) of upper Avalon Canyon 146 Comment
  SEINET11736595  Ephedra aspera D. P. Reagan 1974-1 28 Los Angeles Pyramid Lake, 1 mi N of Castaic Comment
  RSA506823  Ephedra nevadensis L. C. Wheeler 1967-5-12 9416 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  UC215362  Ephedra viridis I. M. Johnston 1917-8-23 1721 Los Angeles Prairie Fk. San Gabriel River; Southern California, San Antonio Mountains, San Gabriel Rive 1524 Comment
  UCSB9568  Ephedra viridis Wedberg, H. 1957-4-19 Los Angeles E. of Pearblossom, Hwy. 138 Comment
  POM123010  Epilobium brachycarpum Marcus E. Jones 1924-9-10 s.n. Los Angeles San Gabriel Mountains: Swartout [Swarthout] valley. Comment
  UCR218019  Epilobium campestre A. C. Sanders, Dan S. Cooper 2010-8-5 38535 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  CAS-BOT-BC166219  Epilobium canum subsp. canum F. Grinnell Jr. 1917-8-12 s.n. Los Angeles Big Santa Anita [Canon] Canyon, San Gabriel Mountains 1127 Comment
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Jul 25 2017
  RSA72333  Epilobium canum subsp. canum F. W. Peirson 1916-8-31 758 Los Angeles Ridge road about 2 miles north of Sandberg's, Liebre Mts. 1143 Comment
  SBBG5135  Epilobium canum subsp. canum R. Moran 1942-10-27 1438 Los Angeles ravine near top of Santa Susana Grade Comment
  JEPS44040  Epilobium canum subsp. latifolium Frank W. Peirson 1918-6-30 123 Los Angeles Trail from Mt. Lowe to Mt. Wilson. Comment
  RSA591465  Epilobium canum subsp. latifolium Louis C. Wheeler 1966-10-12 8970 Los Angeles San Gabriel Mountains. Susanna Canyon, ca. 100 m downstream from falls. 549 Comment
  RSA0116574  Epilobium ciliatum R. G. Swinney 2010-9-30 13935 Los Angeles San Gabriel Mountains; 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon. 2305 Comment
  RSA448493  Epilobium ciliatum Stephen Grout, Mrs. Grout 1900-08 s.n. Los Angeles Cienega. Comment
  UCR134332  Epilobium ciliatum Michael D. Wilcox 2003-8-30 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory 381 Comment
  RSA311282  Epilobium ciliatum subsp. ciliatum Robert F. Thorne, M. Z. Thorne 1969-7-9 38583 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Pines. 2073 Comment
  RSA588320  Epilobium ciliatum subsp. ciliatum F. R. Fosberg 1930-6-26 S- 3026 Los Angeles Lower Ballona Creek. 9 Comment
  RSA647876  Epilobium ciliatum subsp. ciliatum LeRoy Gross, Wayne Law 2000-8-8 1 Los Angeles Big Tujunga Wash/ Verdugo Mountains region: East of Hansen Dam, entered at Orcas Ave. parked at Orcas Park, hiked east of this park along river (just north of Wentworth Street), but not as far as the Tujunga ponds. 325 Comment
  RSA0016409  Epilobium ciliatum subsp. ciliatum Orlando Mistretta, Christine Mistretta 2011-6-23 5734 Los Angeles Aliso Cyn drainage. Near head of Gleason cyn, W of jct. of Forest Rd. 4N24 and Pacific Crest Trail. 1679 Comment
  UCR209603  Epilobium glaberrimum R. G. Swinney 2008-7-2 9139 Los Angeles San Gabriel Mtns., north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
  RSA0021695  Epipactis gigantea Duncan S. Bell, Caitlin Elam 2013-6-24 5268 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
  UC4488  Epipactis gigantea J. H. Barber 1897-6-29 212 Los Angeles near Acton; Bear Canyon 1066 Comment
  LA94024  Equisetum hyemale subsp. affine Lawrence L. Kiefer; 1963-6-30 580 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit 60 Comment
  UCR178388  Equisetum hyemale subsp. affine LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 719 Los Angeles Transverse Ranges: Verdugo Mountains Region, south side; off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway 576 Comment
  POM18147  Equisetum hyemale var. affine P. A. Munz 1923-5-26 6832 Los Angeles Big Rock Creek, San Gabriel Mts. Springy place on slopes 1921 Comment
  LA94011  Equisetum laevigatum Lawrence L. Kiefer; 1962-9-23 205 Los Angeles SANTA MONICA MOUNTAINS, Triunfo Canyon, Paramount Ranch, S of Sugarloaf Peak (?). 457 Comment
  UCR99449  Equisetum telmateia subsp. braunii L. C. Wheeler 1932-3-17 505 Los Angeles Los Angeles Basin, Los Angeles River at Los Feliz Blvd. 122 Comment
  RSA596469  Eragrostis mexicana subsp. virescens Lauren Raz, Steve Boyd 1996-10-23 7 Los Angeles Liebre Mountains. Entrance to Ruby Canyon on Forest Service Road 6N24 ca. 1/10 mile from junction with Lake Hughes Road 609 Comment
  UCD64385  Eragrostis pectinacea P. B. Kennedy 1918-8-3 s.n. Los Angeles Bakersfield. Comment
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Jan 14 2015
  SBBG58324  Eriastrum R. Hoffmann 1927-6-14 Los Angeles Palmdale Comment
  SEINET9352304  Eriastrum densifolium Unknown 1968-7-6 Los Angeles Rdside at Vincent jct of Hwy14 and N3, S of Palmdale. Southern Appalachian Botanical Club, 9th Dist of N American Plants Comment
  UC1584882  Eriastrum densifolium subsp. austromontanum Tim Ross and Steve Boyd 1991-7-24 5671 Los Angeles near intersection of Pacifico Mountain Road x Roundtop Truck Road; Pacifico Mtn USGS 7.5' quad, Granite Mountain vicinity 1901 Comment
  UCR270078  Eriastrum densifolium subsp. austromontanum R. G. Swinney 2011-7-21 15553 A Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  UCR126226  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1992-6-27 115 Los Angeles Western San Gabriel Mtns., southern mouth of Bee Canyon, c. 250 m SW of Antelope Valley Fwy (Hwy 14), immediately adjacent to north side of Soledad Canyon Road and further up wash several hundred meters 549 Comment
  UCR273213  Eriastrum densifolium subsp. densifolium R. G. Swinney 2011-7-8 15489 Los Angeles San Gabriel Mountains, 'Strawberry Potrero', uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  JEPS68719  Eriastrum densifolium subsp. elongatum Annie M. Alexander and Louise Kellogg 1939-6-26 850 Los Angeles Mint Canyon Comment
  SBBG116238  Eriastrum filifolium R. Burgess, P. Munro 2002-5-6 5131 Los Angeles Hungry Valley Rd, 0.2 mi W of Smokey Bear Rd 853 Comment
  JEPS123266  Eriastrum rosamondense David Gowen 2005-5-21 351 Los Angeles Hwy 138 (West Ave. D) west of Lancaster. Areas on both sides of the road at the intersection with 30th St. West. Comment
  SD72848  Eriastrum sapphirinum subsp. dasyanthum F. R. Fosberg 1930-6-3 S 3105 Los Angeles San Gabriel River, El Monte. Comment
  CAS-BOT-BC514984  Eriastrum sapphirinum subsp. dasyanthum John H. Thomas 1957-5-31 6799 Los Angeles Occidental College Campus, Los Angeles: hills behind campus Comment
  LA202487  Ericameria linearifolia W. R. Ernst; May 1948 sn Los Angeles San Gabriel Mountains, Big Rock Creek Comment
  RSA747369  Ericameria linearifolia R. G. Swinney 2008-6-10 8979 Los Angeles Devils Punchbowl Co. Park, peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1933 Comment
  RSA91762  Ericameria linearifolia F. W. Peirson 1926-4-27 6669 Los Angeles San Gabriel Mountains. North side of San Gabriel Mountains, Rock Creek. 1296 Comment
  UCR209248  Ericameria nauseosa R. G. Swinney 2008-10-8 9532 Los Angeles San Gabriel Mtns., Table Mountain West, north of Big Pines 2291 Comment
  CAS-BOT-BC299517  Ericameria palmeri var. pachylepis Peter H. Raven 1957-11-14 11405 Los Angeles U.C.L.A. campus, Los Angeles 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
  UCR143333  Ericameria parishii Chris Henne 1946-10-18 s.n. Los Angeles San Gabriel Mtns., Chilao spur off Angeles Crest Highway 1646 Comment
  CAS-BOT-BC293133  Ericameria pinifolia C. F. B. 1903-10-1 4076 Los Angeles Claremont Comment
  RSA52939  Ericameria pinifolia George T. Hastings 1950-7-22 s.n. Los Angeles Elizabeth Lake Canyon. Comment
  RSA719736  Erigeron breweri var. covillei R. G. Swinney 1996-8-7 5219 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half of Brown's Flat 1317 Comment
  UCR192817  Erigeron foliosus Dan S. Cooper 2008-4-21 s.n. Los Angeles Western Transverse Range, mesa along north side of Santa Clara River, 1 km west of Sand Canyon Rd., Santa Clarita 470 Comment
  LA202744  Eriobotrya japonica Arthur C. Gibson; 2004-3-10 5011 Los Angeles 146 Comment
  UC697774  Eriodictyon crassifolium Kay H. Beach 1943-5-11 1743 Los Angeles on Woods Trail upper part Lewis Paul Canyon; San Gabriel Mts., Lewis Paul Canyon Comment
  SEINET12315364  Eriodictyon crassifolium C. V. Braun 1974-1 13 Los Angeles ca 1.5 mi W of Newhall Exit, Interstate 5 Comment
  CAS-BOT-BC189190  Eriodictyon crassifolium var. nigrescens Alice Eastwood; John Thomas Howell 1937-4-26 3947 Los Angeles Mint Canyon Comment
  RSA306186  Eriodictyon crassifolium var. nigrescens Fay A. MacFadden 1931-3-29 s.n. Los Angeles La Tuna Canyon, Verdugo Hills 335 Comment
  SBBG65148  Eriodictyon crassifolium var. nigrescens unknown 1928-7-9 Los Angeles Antelope Valley 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
  NY42966  Eriodictyon traskiae J. B. Walker 1995-4-8 1332 Los Angeles Santa Catalina Island, 1.5km S of Black Jack Mountain, along paved road 100 Comment
  UCSB38081  Eriodictyon traskiae subsp. traskiae Blakely, E. 1962-10-5 Los Angeles NE side of Black Jack Mt. at junction of Island Road and Whites Landing Road, Santa Catalina Island 381 Comment
  SBBG17473  Eriodictyon trichocalyx K. A. Wilson 1962-5-12 1279 Los Angeles cyn with public cmpgrds leading to Devils Punch Bowl trail Comment
  UCR280897  Eriodictyon trichocalyx subsp. trichocalyx R. G. Swinney 2014-4-30 16305 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
  RSA175391  Eriodictyon trichocalyx var. trichocalyx Helen E. Sweet 1930-7-12 s.n. Los Angeles Above Pine Flats. Comment
  UCSC011220  Eriogonum Adam Searcy 2015-7-10 80 Los Angeles Santa Clarita, Vista Canyon Ranch, Santa Clara River Comment
  CAS-BOT-BC244061  Eriogonum brachyanthum James L. Reveal 1978-6-25 4779 Los Angeles On the off-ramp of California Hghway 14 and Avenue P north of Palmdale 792 Comment
  CLARK-A1528-3622  Eriogonum cinereum John C. Roos 1942-9-26 1727 Los Angeles Santa Monica Comment
  RSA393149  Eriogonum cinereum Unspecified 1923-7-12 s.n. Los Angeles Topanga Canyon. Comment
  SD114141  Eriogonum cinereum D. F. Howe 1951-10-28 2165 Los Angeles Little Sycamore Canyon, Santa Monica Mts. Comment
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May 28 2014
  UC457338  Eriogonum cinereum Carl Epling 1931-5-2 Los Angeles Los Alizos Canyon Santa Monica Mountains, Los Alizos Canyon Comment
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Apr 22 2014
  UC527612  Eriogonum cinereum C. B. Wolf 1931-1-25 2244 Los Angeles along Beverly Blvd., on grade leading down into Santa Monica Canyon 45 Comment
  UCD99810  Eriogonum cinereum Scott D. White 1997-11-5 6017 Los Angeles Malibu Coast; mouth of Trancas Cyn., north of Pacific Coast Highway. 7 Comment
  RSA775873  Eriogonum cithariforme Orlando Mistretta, Christine Mistretta 2010-5-26 5208 Los Angeles Upper Mill Creek canyon drainage, S of Mill Creek Summit, along Southern California Edison transmission line corridor. 1463 Comment
  SBBG61935  Eriogonum cithariforme R. Hoffmann 1929-5-19 Los Angeles between Big Rock Crk and Los Angeles Recreation Park Comment
  RSA766420  Eriogonum davidsonii Joseph A. Ewan 1936-8-6 9978 Los Angeles Upper Cedar Canyon off Mescal Canyon. San Gabriel Mtns. 1982 Comment
  UC63982  Eriogonum davidsonii Geo. R. Hall Sept. 1904 Los Angeles Swartout Canyon San Antonio Mts., Swartout Canyon 2133 Comment
  CAS-BOT-BC242752  Eriogonum davidsonii James L. Reveal; C. Rose Broome 1987-6-26 6579 Los Angeles San Gabriel Mountains, along the Angeles Crest Highway (California Highway 2) at Blue Ridge Summit, 2 miles west of Big Pines 2247 Comment
  SDSU6568  Eriogonum elongatum J. E. Fitch 1940-10-26 Los Angeles Claremont. Comment
  LA34235  Eriogonum elongatum var. elongatum Peter H. Raven; Henry J. Thompson 1959-9-20 14461 Los Angeles 274 Comment
  RSA393488  Eriogonum elongatum var. elongatum L. E. Hoffman 1931-11-5 s.n. Los Angeles Millard's Canyon, Angeles National Forest, San Gabriel Mountains. 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
  RSA0022370  Eriogonum fasciculatum Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5128 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA0036770  Eriogonum fasciculatum Douglas A. Springer 1981-2-18 18 Los Angeles Cal Poly University campus, 1.5 miles NW of Temple Ave. on University Drive, Parking lot J, level 4, NE end. Comment
  RSA393508  Eriogonum fasciculatum Richard Arnold 1983-8-10 1022 Los Angeles LAX Dunes, Playa del Rey (El Segundo Blue survey) Area V3. Comment
  UCR206269  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2008-6-10 8995 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, north base of peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1732 Comment
  LA210346  Eriogonum fasciculatum var. foliolosum Bruce Douglas Clayton; Greg Shaw 1972-3-30 27 Los Angeles SANTA MONICA MOUNTAINS, Mountain Park Research Campus, N end of Drawbridge firebreak. 618 Comment
  RSA393411  Eriogonum fasciculatum var. foliolosum Alnert B. Ulrey 1903-4-3 s.n. Los Angeles Hollywood. Comment
  UCR127239  Eriogonum fasciculatum var. foliolosum Mark A. Elvin 2003-5-25 2927 B Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, mesa in middle of Salt Creek drainage 595 Comment
  UCR212782  Eriogonum fasciculatum var. foliolosum Ellen Mackey, Blake Whittington 2006-10-26 NFWF- 1836 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River near Rincon Ranger Station [off Hwy 39] 451 Comment
  UC6286  Eriogonum fasciculatum var. polifolium J. Burtt Davy May 9 1896-May 24 1896 2564 Los Angeles near West Palmdale; Antelope Valley Comment
  UCR141370  Eriogonum fasciculatum var. polifolium R. G. Swinney 1997-8-19 5819 Los Angeles San Gabriel Mtns, Antonio Peak (Lookout Mtn.), ridge east of Cattle Canyon and west of the west fork of Bear Canyon. 2073 Comment
  UC625056  Eriogonum giganteum F. R. Fosberg 1931-7-9 S 5358 Los Angeles Avalon Santa Catalina Island, Avalon 30 Comment
  RSA3613  Eriogonum giganteum var. giganteum Carl B. Wolf 1932-5-14 3632 Los Angeles Santa Catalina Island. Hillside above Amphitheatre, Avalon. 61 Comment
  SD21296  Eriogonum giganteum var. giganteum Norman E. Bilderback 1938-4-17 Los Angeles Avalon Comment
  CAS-BOT-BC253447  Eriogonum gracile Le Roy Abrams 1902-7-5 2721 Los Angeles San Gabriel Wash near Azusa Comment
  CAS-BOT-BC253473  Eriogonum gracile Geo. B. Grant 1901-8-15 s.n. Los Angeles Pasadena Comment
  RSA393222  Eriogonum grande var. grande M. B. Dunkle 1939-11-24 7351 Los Angeles San Clemente Island: east coast summit Comment
  RSA755454  Eriogonum nudum subsp. pauciflorum R. G. Swinney 2008-10-7 9472 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 Comment
  LA206952  Eriogonum nudum var. pauciflorum H. Lewis; 1940-8-5 sn Los Angeles San Gabriel Mountains, Charleston Flats 1371 Comment
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Feb 17 2015
  RSA733278  Eriogonum nudum var. pauciflorum R. G. Swinney 2001-6-16 7967 Los Angeles San Gabriel Mtns.: Juniper Hills, north side of Pleasant View Ridge, secondary ridge between Miller and McClure canyons. 1951 Comment
  UCR190903  Eriogonum parishii R. G. Swinney 1998-7-2 6231 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  SFV12275  Eriogonum pusillum M. L. Vincent, L. Swade 1964-4-2 472 Los Angeles San Gabriel Mountains Valyermo Road, about 200 m (1/8 mile) north of Pallett Road. 1085 Comment
  RSA579581  Eriogonum roseum Tim S. Ross, S. D. Boyd 1994-9-21 8281 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1677 Comment
  SBBG64253  Eriogonum roseum R. Hoffmann 1927-9-21 Los Angeles Gorman, Ridge Route (US Hwy 99) Comment
  CAS-BOT-BC267577  Eriogonum saxatile Le Roy Abrams 1901-7-10 1901 Los Angeles Wilson's Peak 1767 Comment
  CAS-BOT-BC262861  Eriogonum thurberi Cecil Hart 1923-6-17 s.n. Los Angeles San Gabriel River Comment
  SBBG65509  Eriogonum thurberi R. Hoffmann 1928-7-9 Los Angeles Little Martinez Crk, 3 mi W of Castaic 205 Comment
  RSA700424  Eriogonum umbellatum var. minus Gary D. Wallace 1985-7-5 2235 Los Angeles San Gabriel Mountains: Mt. Islip. Angeles National Forest. 2515 Comment
  UCR202716  Eriogonum umbellatum var. minus R. G. Swinney 2001-8-18 8049 Los Angeles San Gabriel Mtns., Mt. Baden-Powell 2866 Comment
  SBBG64208  Eriogonum vimineum R. Hoffmann 1928-11-11 Los Angeles near Lang Comment
  CAS-BOT-BC264874  Eriogonum viridescens James L. Reveal 1978-6-25 4776 Los Angeles Along Avenue F, 0.5 mile east of California Highway 138, north of Lancaster 716 Comment
  RSA423072  Eriogonum wrightii var. subscaposum Anstruther Davidson 1892-8-20 s.n. Los Angeles Wilson's Peak Comment
  POM219976  Eriophyllum confertiflorum F. R. Fosberg 1932-5-5 8104 Los Angeles Hills N Avalon, Santa Catalina Island 40 Comment
  RSA128781  Eriophyllum confertiflorum Peter H. Raven 1959-5-3 14088 Los Angeles Matted on banks; open in oak woodland, Woodland Wilson Drive 1.6 miles west of Cahuenga Pass. 305 Comment
  CHSC100209  Eriophyllum confertiflorum var. confertiflorum John Dittes 2006-6-5 1410 Los Angeles Transverse Ranges; San Gabriel Mts.; Peace Valley, east of Gorman Creek; ca. 4.9 air-miles NW of Pyramid Lake dam, 6.7 air-miles SE of Gorman, and 0.6 air-miles N of Confluence of Gorman Creek and creek passing out of Canada de Los Alamos; east side of Interstate Hwy-5, north and east of Little Bear Road exit. 896 Comment
  POM357902  Eriophyllum confertiflorum var. confertiflorum Anstruther Davidson 1918-8-1 3093 Los Angeles San Gabriel Mountains. Comment
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Mar 6 2015
  UC1080189  Eriophyllum confertiflorum var. confertiflorum Sherwin Carlquist 1955-4-5 338 Los Angeles hills above San Rafael Avenue; Pasadena, Flintridge Comment
  RSA527604  Eriophyllum nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4431 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  UCR255853  Erodium Dan S. Cooper 2014-6-26 614- 62 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, along north side of Forest Lawn Rd. across from cemetery 152 Comment
  SBBG38263  Erodium brachycarpum S. A. Junak with M. L. Hoefs, K. Kirkland 1998-4-5 SCa 549 Los Angeles W side of rd to Toyon Bay, 1.4 mi from intersection with Airport Rd, near ironwood overlook deck 182 Comment
  UCR260392  Erodium cicutarium R. G. Swinney 2010-2-27 11667 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  CATA977  Erodium cicutarium Mark L. Hoefs 1994-5-21 1846 Los Angeles Santa Catalina Island: Southeast end of Renton Mine Road 262 Comment
  CDA4671  Erodium cicutarium L. C. Wheeler 1973-4-8 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region: Kagel Canyon. Comment
  RSA675808  Erodium moschatum LeRoy Gross 2003-3-7 761 Los Angeles Northwest side. Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane, off of Newhome Ave. in city of Sunland. 564 Comment
  UCR23699  Erodium moschatum John C. Roos 1943-3-7 2642 Los Angeles Santa Monica, near Sawtell Comment
  UCR18546  Eruca vesicaria subsp. sativa O. F. Clarke 1973-4-8 s.n. Los Angeles San Gabriel Valley, Pomona near Pom-lanes, Garey Ave. 351 Comment
  POM143113  Erysimum capitatum var. capitatum C. F. Baker 1904-4-30 4753 Los Angeles Claremont. 365 Comment
  RSA230051  Erysimum capitatum var. capitatum R. F. Thorne 1971-6-26 40589 Los Angeles Summit of Mt. Wilson 1738 Comment
  RSA530262  Erysimum capitatum var. capitatum Marjorie Shaw, Edna Spaulding, C. L. Walton 1917-4-6 s.n. Los Angeles Antelope Valley. Desert Flats 915 Comment
  RSA532655  Erysimum capitatum var. capitatum Timothy S. Ross 1991-8-14 5772 Los Angeles Roundtop [Mtn], San Gabriel Mountains. 1768 Comment
  RSA530239  Erysimum suffrutescens T. S. Clare, G. Austin 1929-2-25 281 Los Angeles El Segundo, Los Angeles Comment
  SD40153  Erysimum suffrutescens Edith A. Purer 1931-3-12 1509 Los Angeles El Segundo Comment
  UCR233749  Erysimum suffrutescens Jeremiah George 2012-3-11 s.n. Los Angeles South Coast, Palos Verdes Estates, just east of junction of Palos Verdes Blvd., Palos Verdes West and Palos Verdes Dr. North 73 Comment
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Aug 27 2013
  UC457259  Eschscholzia caespitosa Carl Epling 1931-4-18 Los Angeles Los Alisos Canyon Santa Monica Mountains Comment
  IRVC26200  Eschscholzia californica Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2920 Los Angeles Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. Santa Susana Mtns. 915 Comment
  UCR205193  Eschscholzia californica R. G. Swinney 2008-4-30 8713 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Monroe Canyon 549 Comment
  UCSB8513  Eschscholzia californica Wedberg, H. 1957-5-9 Los Angeles Mouth of Latigo Canyon at Hwy. 101 Comment
  POM158272  Eschscholzia californica var. peninsularis M. B. Dunkle 1928-5-27 1983 Los Angeles Hamilton Canyon; San Clemente Island 15 Comment
  RSA161095  Eschscholzia californica var. peninsularis Peter H. Raven 1962-5-22 17834 Los Angeles Santa Catalina Island, first canyon W of Lions Head Point 52 Comment
  RSA763239  Eschscholzia minutiflora Justin M. Wood 2010-5-10 1624 Los Angeles San Gabriel Mountains: Vicinity of Littlerock Creek; just southwest of intersection of Cheseboro Rd. and Mt. Emma Rd. 973 Comment
  SEINET12190721  Eucalyptus ficifolia J. F. Bright, Wyman, C. 1931-1 5319 Los Angeles Beverly Hills Comment
  RSA604201  Eucalyptus rudis Louis C. Wheeler 1972-5-25 s.n. Los Angeles Cobb Estate. Comment
  SBBG61342  Eulobus californicus R. Hoffmann 1925-5-15 Los Angeles Mint Cyn Comment
  RSA598998  Euphorbia helioscopia L. C. Wheeler 1951-3-10 6799 Los Angeles Pasadena. 955 South Orange Grove Avenue. Comment
  SBBG133137  Euphorbia maculata B. C. Templeton 1967-8-1 10222 Los Angeles Clear Crk Forest Service Station at head of Clear Crk off Big Tujunga Comment
  RSA432461  Euphorbia misera M. B. Dunkle 1939-4-2 7216 Los Angeles San Clemente Island. Pyramid Cove. Comment
  CAS-BOT-BC532582  Euphorbia nutans A. C. Sanders; T. B. Salvato; Mitch Provance 2009-5-27 36944 Los Angeles San Gabriel Valley: Baldwin Park, San Gabriel River channel south of Ramona Blvd. and north of I-10 Fwy, under SCE powerlines 91 Comment
  UCR206175  Euphorbia nutans A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36944 Los Angeles San Gabriel Valley, Baldwin Park, San Gabriel River channel south of Ramona Blvd. and north of I-10 Fwy, under SCE powerlines 91 Comment
  SBBG36822  Euphorbia peplus S. A. Junak 1998-3-22 SCa 503 Los Angeles W side of Avalon Cyn Rd, just N of entrance to Wrigley Botanical Garden 106 Comment
  SD215498  Euphorbia peplus Louis C. Wheeler 1947-4-13 6464 Los Angeles San Gabriel Mountains: Sunset Ridge on south side of Millard Canyon. 640 Comment
  SEINET2473467 Image available Festuca microstachys Richard G. Swinney 2009-1 10479 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert; Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 960 Comment
  UCR178889  Festuca myuros R. G. Swinney 1990-3-24 1566 Los Angeles Los Angeles Basin, South Hills Park, Glendora Centennial Heritage Park, in the city of Glendora, south of Big Dalton Channel 238 Comment
  UC1595350  Ficus carica Tim Ross 1992-5-17 6356 Los Angeles (156 degrees sse), 285 m distant from mouth of Shoemaker Canyon (East Fork of San Gabriel River); San Gabriel Mountains, East Fork San Gabriel River 640 Comment
  CAS-BOT-BC500447  Ficus microcarpa R. E. Riefner, Jr. 2015-7-26 15 -211 Los Angeles City of Glendale, E side of Glendale Fwy (Hwy 2), Ripple St. at Rosanna St. 116 Comment
  RSA0089286  Ficus microcarpa R. E. Riefner Jr. 215-05-02 15 -141 Los Angeles City of Glendale, Los Angeles River, Glendale Narrows Riverwalk, Flower St. W of Fairmont Ave. 146 Comment
  UC2046884  Ficus microcarpa R. E. Riefner Jr. 2014-7-13 14 -245 Los Angeles City of San Pedro, Port of Los Angeles, near Los Angeles Maritime Museum, Sampson Way at W. 6th St. Comment
  LA211927  Filago californica Duncan S. Bell; Caitlin Elam, Evan Meyer 2013-6-13 5103 Los Angeles SAN GABRIEL MOUNTAINS, Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898.0 Comment
  RSA226162  Filago californica Gary D. Cromwell, David W. Wheat 1971-5-14 635 Los Angeles San Gabriel Mountains: Mystic Canyon, Angeles National Forest. 2 miles NE of Glendora. On ridge west of canyon mouth 457 Comment
  RSA616270  Filago californica Scott D. White, Pam De Vries 1998-5-15 6500 Los Angeles Soledad Canyon Area; Liebre Mts. Proposed quarry area N of Soledad Canyon Road, S of I-14 freeway, E of Bee Canyon and W of Agua Ducle Canyon. 579 Comment
  RSA004508  Filago californica Fay A. MacFadden 1931-04 3181 Los Angeles Verdugo Mountains: La Tuna Canyon 335 Comment
  RSA654086  Filago gallica Valerie L. Soza, Laura Moore 2000-5-10 830 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. at fire gate to powerlines 594 Comment
  RSA188223  Foeniculum vulgare R. F. Thorne, P. Everett 1965-6-22 34878 Los Angeles Avalon Canyon, Santa Catalina Island. 91 Comment
  UCR223267  Foeniculum vulgare R. G. Swinney 2009-8-19 11452 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Canyon Wilderness Park, at waterfall 534 Comment
  SBBG98652  Foeniculum vulgare T. Ross 1991-5-20 5367 Los Angeles upper S branch of un-named drainage that empties to sea just N of Jack Pt lighthouse 167 Comment
  SJSU2246  Foeniculum vulgare C. W. Sharsmith 1942-9-9 4514 A Los Angeles Beverly Hills Comment
  SD90293  Forestiera neomexicana Robert F. Thorne, J. P. Simon, et al. 1970-5-1 39542 Los Angeles Along lower Big Rock Creek, ca. 1.0 mile south of Valyermo Station. 1250 Comment
  CHSC98407  Forestiera pubescens LeRoy Gross 2001-3-25 360 b Los Angeles Los Angeles Basin: Verdugo Mountains Region: Off Verdugo Crestline Drive, dirt road that is north of the 210 freeway in the northwest section of the Verdugo Mountains, just east of Sunland exit off ramp, you can get on this fire road from the west at Topley Lane and Newhome Ave off of Foothill Blvd. in the city of Sunland. North northeast facing slope just below fire road next to an aluminum culvert, appears to be spreading as is growing in thick areas of the chaparrral 20-30 feet below and 50-75 feet across this small draw and into a NW facing slope out of this draw. 548 Comment
  CAS-BOT-BC223750  Frankenia salina F. Almeda; M. Mathias; J. Sauer 1975-5-18 2559 Los Angeles Santa Cruz Island Comment
  CATA3177  Frankenia salina Julie L. King 2016-10-25 4 Los Angeles Santa Catalina Island: Near bathrooms at Parsons Landing 10 Comment
  RSA530059  Frasera neglecta Tim S. Ross 1991-8-16 5848 Los Angeles San Gabriel Mountains, Horse Flats. 1720 Comment
  UCD121451  Frasera speciosa Mrs. Griffin 1934-6-1 s.n. Los Angeles Silver Lake. Comment
  LA81923  Fraxinus dipetala O. H. Kappler; 1944-4-6 586 Los Angeles SANTA MONICA MOUNTAINS, La Sierra Canyon, near Seminole Hot Springs. 609 Comment
  UCR141451  Fraxinus pennsylvanica subsp. velutina June Latting 1975-6-15 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Malibu Canyon, Century Ranch 152 Comment
  SBBG126145  Fraxinus uhdei A. C. Sanders with T. B. Salvato, M. Provance 2009-5-26 36942 Los Angeles San Gabriel River floodplain, Whittier Narrows Nature Center and E to Peck Rd along the SCE powerlines and the river levee 70 Comment
  CAS-BOT-BC211009  Fraxinus velutina Geo. B. Grant 1902-6-1 472 Los Angeles Unspecified Comment
  UCR150614  Fraxinus velutina Scott D. White 1997-5-8 5088 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
  CAS-BOT-BC212387  Fremontodendron californicum W. R. Dudley; F. H. Lamb 1896-6-1 s.n. Los Angeles Kings Canyon, Antelope Valley Comment
  RSA729715  Fremontodendron californicum subsp. californicum R. G. Swinney 1999-6-18 7316 Los Angeles San Gabriel Mtns.; Big John Flat, northern edge 1652 Comment
  UCR206422  Fremontodendron californicum subsp. californicum R. G. Swinney 2008-6-4 8946 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, c. 100 m SW of park headquarters/nature center 1470 Comment
  SD93035  Fremontodendron mexicanum W. Bertsch 1953-4-29 93 Los Angeles Claremont wash Comment
  POM266306  Galinsoga parviflora J. C. Roos 1939-6-21 919 Los Angeles Irrigated field, Pasadena Comment
  POM358610  Galinsoga parviflora var. parviflora F. R. Fosberg 1930-7-3 S 3026 Los Angeles San Gabriel River, El Monte. Comment
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Jan 30 2017
  UC447161  Galinsoga parviflora var. parviflora J. Ewan 1931-4-12 4162 Los Angeles Peirson's residence Altadena (back yard) Comment
  LA208351  Galium angustifolium John Thomas Howell; M. Hilend 1930-5-11 Los Angeles San Gabriel Mountains, Pacoima Dam Comment
  RSA524967  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd 1990-6-6 2821 A Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  RSA607669  Galium angustifolium subsp. angustifolium Louis C. Wheeler 1968-7-21 s.n. Los Angeles San Gabriel Mountains: East Fork Alder Creek off Big Tujunga. 1494 Comment
  RSA617734  Galium angustifolium subsp. angustifolium Scott D. White, Sandra Leatherman 1998-5-22 6554 Los Angeles Castaic Lake area: Grasshopper Canyon. watershed, between I-5 Freeway / Old Ridge Route and the lake. 426 Comment
  SBBG68821  Galium angustifolium subsp. angustifolium R. Hoffmann 1928-7-9 Los Angeles Pine Cyn Comment
  UC28167  Galium angustifolium subsp. angustifolium H. P. Chandler 1897-5-5 Los Angeles Claremont 365 Comment
  UC888703  Galium angustifolium subsp. angustifolium Carl B. Wolf 1932-10-3 4208 Los Angeles road to Renton Mine about 1 mi from junction with Wrigley Drive; Santa Catalina Island 304 Comment
  POM248375  Galium angustifolium subsp. angustifolium Muriel F. Wheeler 1938-7-12 871 Los Angeles Thompson Creek Wash, 1.5 miles northeast of La Verne. 375 Comment
  POM367747  Galium aparine Donald R. Bissing 1973-6-2 105 Los Angeles Evey Canyon; San Gabriel Mountains. 707 Comment
  RSA527773  Galium aparine Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-4-8 4338 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  UC1143100  Galium californicum subsp. flaccidum Jerome S. Horton 1938-6-21 510 Los Angeles trail to Brown's Flat Cucamonga Quadrangle, Fern watershed, Fern Canyon Comment
  SDSU9324  Galium catalinense D. F. Howe 1953-5-3 2279 Los Angeles Hillside, mouth of Wain Canyon, Santa Catalina Island. Comment
  RSA678693  Galium catalinense subsp. acrispum Mark A. Elvin, Orlando Mistretta 1996-3-24 132 Los Angeles San Clemente Island. Eagle canyon 381 Comment
  UCR111664  Galium catalinense subsp. catalinense L. C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island, 0.3 mile SSE of Isthmus Bench Mark 122 Comment
  UC1375265  Galium hallii Robert F. Thorne 1971-8-25 41237 Los Angeles n slope of mt. along trail to Vincent Gap; San Gabriel Mts., Angeles National Forest, Mt. Baden-Powell 2133 Comment
  SJSU13431  Galium jepsonii C. W. Sharsmith 1945-9-7 5467 Los Angeles N slope Mt Waterman , San Gabriel Mts 2042 Comment
  RSA488011  Galium nuttallii subsp. insulare Mark Hoefs, D. Propst 1973-3-3 18 Los Angeles Santa Catalina Island. Near upper White's Landing Road. 381 Comment
  SD84871  Galium nuttallii subsp. insulare Reid Moran 1941-3-11 700 Los Angeles Ridge, north of Middle Ranch, Santa Catalina Island 249 Comment
  RSA603955  Galium parishii Louis C. Wheeler 1967-9-13 10747 Los Angeles San Gabriel Mountains: Saddle between Mt. San Antonio and West Baldy. 3003 Comment
  JEPS52957  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1964-1-26 3977 Los Angeles Coldbrook Camp Ground San Gabriel Mts. (on State Hwy 39) 999 Comment
  RSA424704A  Galvezia speciosa M. B. Dunkle 1939-4-4 7249 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  RSA507515  Gamochaeta pensylvanica L. C. Wheeler 1967-5-13 9546 Los Angeles San Gabriel Mountains. San Gabriel Canyon, Ward's Grove. 262 Comment
  RSA74868  Gamochaeta pensylvanica Elroy Robinson 1935-6-25 s.n. Los Angeles Glendale Comment
  SFV21385  Gamochaeta ustulata L. Moore, R. Burchet, L. Gross, D. Zygielbaum 2000-6-8 44 Los Angeles Verdugo Mountains La Tuna Canyon Park. Off La Tuna Canyon Road on Santa Monica Mountains Conservancy Land. 586 Comment
  CAS-BOT-BC186350  Garrya flavescens Charles F. Richter 1920-9-1 s.n. Los Angeles Strawberry Ridge, San Gabriel Mts. Comment
  OBI14150  Garrya veatchii Louis C. Wheeler 1932-5-28 792 Los Angeles Hogback, San Antonio Cyn, San Gabriel Mts 1128 Comment
  POM257526  Gastridium phleoides C. B. Wolf 1932-5-10 3523 Los Angeles Santa Catalina Island. Equestrian Trail back of Avalon. 259 Comment
  POM258632  Gaura sinuata Garrettson 1938-6-10 s.n. Los Angeles Beet field east of Puente. Comment
  RSA597038  Gayophytum diffusum subsp. parviflorum Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3838 Los Angeles San Gabriel Mountains: low saddle between Crystal Lake and the depression to its SSW. 1704 Comment
  SBBG125535  Gayophytum diffusum subsp. parviflorum A. Parikh, N. Gale 2010-6-15 3300 Los Angeles upper Big Tujunga Cyn, 0.3 km E of Shortcut Station, 0.5 km N of St Hwy 2, San Gabriel Mtns 1300 Comment
  RSA250340  Gayophytum heterozygum Robert F. Thorne, Larry E. DeBuhr 1972-8-18 42241 Los Angeles San Gabriel Mountains, Angeles National Forest: Buckhorn Station along Angeles Crest Highway 2061 Comment
  RSA596411  Gayophytum oligospermum Tim S. Ross, Steve D. Boyd, Peter Fritsch 1990-6-11 3366 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
  UCR182979  Genista linifolia D. Woods 2000-1 s.n. Los Angeles Channel Islands, Catalina Island Comment
  CATA3063  Genista monspessulana Julia Parish 2016-3-23 001 Los Angeles Santa Catalina Island: Big Field in Middle Canyon, WMU Hayfields 219 Comment
  RSA763106  Gilia R. G. Swinney 2008-8-13 9386 Los Angeles east fork of Icy Springs drainage, tributary of Big Rock Creek, 0.3 mi. SE of Big Rock Creek Rd. 1805 Comment
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Dec 7 2018
  RSA470072  Gilia achilleifolia subsp. achilleifolia L. C. Wheeler 1932-5-17 724 Los Angeles Santa Monica Mountains: Garapito Creek. 305 Comment
  RSA549587  Gilia aliquanta subsp. breviloba T. S. Ross 1992-4-4 6078 Los Angeles Adobe Mountain: SW Mojave Desert. 927 Comment
  RSA599904  Gilia angelensis L. C. Wheeler 1933-4-16 1647 Los Angeles San Gabriel Mountains: Liveoak Canyon. 426 Comment
  UCR150469  Gilia brecciarum R. G. Swinney 1999-6-21 7372 Los Angeles San Gabriel Mtns., Big John Flat 1671 Comment
  RSA587530  Gilia brecciarum subsp. brecciarum Orlando Mistretta, S. D. Boyd, Darin Banks 1994-4-29 1104 Los Angeles Santiago Canyon; Ridge on W edge of Santiago Canyon watershed N. of Forest Road 4N20. 1372 Comment
  UCR126874  Gilia capitata A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26141 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam 518 Comment
  RSA470216  Gilia capitata subsp. abrotanifolia Anstruther Davidson 1895-5-6 s.n. Los Angeles Manzana. Comment
  UC1123848  Gilia capitata subsp. abrotanifolia Jerome S. Horton 1936-6-16 472 Los Angeles 2100 trail - He<?>er Gate, West Fork San Dimas Canyon West Fork San Dimas Canyon, Pomona Quad. Comment
  UC535503  Gilia capitata subsp. abrotanifolia Ira W. Clokey, B. Templeton Mar. 1929 4476 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon 350 Comment
  UC57535  Gilia capitata subsp. abrotanifolia Geo. B. Grant 1903-4-23 5433 Los Angeles Saugus Comment
  RSA469413  Gilia latiflora subsp. davyi Christopher Davidson 1975-5-25 2558 Los Angeles 3.8 mi NE of Old Ridge Route (8N04) on rd 7N23 to Liebre Mtn., ca. 0.7 mi past Sandberg Pk. Angeles Nat. For. 1692 Comment
  RSA469381  Gilia latiflora subsp. latiflora Anstruther Davidson s.n. Los Angeles Mt. Islip. Comment
  RSA729402  Gilia modocensis R. G. Swinney 1998-6-12 6953 Los Angeles San Gabriel Mtns.: NW of Jackson Lake at Ball Flat. 0.7 mi. north of Big Pines Hwy on 4N16, Ball Flats Road 1890 Comment
  RSA67061  Gilia modocensis Verne Grant, Alva Grant 1951-6-15 16058 Los Angeles Inspiration Point: SW of Big Pines. 2256 Comment
  UC557681  Gilia nevinii Nell Murbarger March, 1936 39 Los Angeles San Clemente Island Comment
  CLARK-A1528-3516  Gilia splendens Art Whistler 1966-6-23 10 Los Angeles Big Pines Comment
  PASA716  Gilia tenuifolia Stason 1930-5-18 Los Angeles Lovejoy Buttes Comment
  UCR73399  Gnaphalium californicum T. S. Ross, O. Mistretta, M. Hammitt 1991-5-18 5199 Los Angeles San Clemente Island, 1300 ft NNW of Guds marker 268 Comment
  RSA670958  Gnaphalium canescens subsp. microcephalum Joseph M. Keefe 2001-3-19 31156 Los Angeles San Rafael Mountains: Ravine 10 meters north of Glenoaks Boulevard, 200 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, 91208. 466 Comment
  UCR95769  Gnaphalium canescens subsp. microcephalum Lauren Raz, Steve Boyd 1996-10-23 027 Los Angeles Liebre Mtns, Entrance to Ruby Canyon on FS Rd 6N24, 1/10 mi from junction with Lake Hughes Road 610 Comment
  RSA527672  Gnaphalium luteoalbum Steve Boyd 1990-4-8 4292 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  POM197904  Gnaphalium microcephalum Joseph A. Ewan 1932-2-3 7019 Los Angeles Hillside near mouth of Laurel Canyon, Santa Monica Mts. Comment
  POM305061  Gnaphalium microcephalum Henry J. Ramsey, Henry J. Ramsey 1937-1-3 358 Los Angeles Altadena 396 Comment
  CAS-BOT-BC302602  Gnaphalium palustre John Thomas Howell 1931-5-29 6560 A Los Angeles Hills of Santa Monica Mts. at Santa Monica Comment
  SEINET3245992  Gnaphalium palustre R. G. Swinney 2009-1 11471 Los Angeles Tranverse Range; San Gabriel Mtns.: Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. Mescal Creek. 628 Comment
  LA204723  Grayia spinosa A. Handschiegel; 1925-5-17 sn Los Angeles Little Rock Creek Comment
  RSA69948  Grayia spinosa F. W. Peirson 1917-5-13 1832 Los Angeles Roadside near village of Little Rock, north side of San Gabriel Mountains. Comment
  POM50884  Grindelia camporum var. bracteosa L. R. Abrams 1901-06 1856 Los Angeles Wiseburn. Comment
  RSA756891  Grindelia camporum var. camporum Orlando Mistretta, Christine Mistretta 2008-4-8 2395 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-BC305263  Grindelia hirsutula Ernest C. Twisselmann 1955-9-15 2376 Los Angeles San Emigdio Range. Castaic Valley, 1/2 mile northwest of Holland Summit 1219 Comment
  UC57584  Grindelia hirsutula J. H. Barber 1898-7-24 Los Angeles Sepulveda Canyon Comment
  UC1536929  Guillenia lasiophylla Gordon H. True Jr. 1935-3-5 44 Los Angeles 4 mi s Palmdale; Head of Mint Canyon 914 Comment
  UC1595468  Guillenia lasiophylla Tim Ross 1992-4-4 6085 Los Angeles Adobe Mountain, on the Adobe Mtn. USGS 7.5 ' topo, sw Mojave Desert Mojave Desert; elevation given as between 3040 (nr SW base) and 3458 feet (summit) 926 Comment
  POM4723  Gutierrezia californica W. R. Shaw 1900-7-1 57 Los Angeles Claremont. 365 Comment
  RSA602454  Gutierrezia californica Scott D. White 1997-5-14 5128 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mountains SW of I -210 freeway, E of Hansen Dam, and N of Wentworth St. 351 Comment
  UCR210012  Gutierrezia microcephala R. G. Swinney 2008-10-7 9466 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  SEINET10630417  Haematoxylum campechianum Mary Merello, Heidi H. Schmidt 1999-12-3 Merello 2517 Los Angeles City of Pasadena. Farm Fresh Ranch Market, 475 E. Orange Grove Blvd. Comment
  CAS-BOT-BC282860  Hainardia cylindrica Steven A. Junak 1985-5-14 SCI- 71 Los Angeles Central portion of island alond main road, roughly midway beween intersection with road to Lemon Tank and intersection with road to Peak 1603 and Field Station at Cemera Pad Stone, San Clemente Island 381 Comment
  POM72625  Harpagonella palmeri Marcus E. Jones 1882-3-7 s.n. Los Angeles Pasadena. Comment
  SEINET4044561 Image available Hazardia squarrosa D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 289 Comment
  RSA0110612  Hedypnois cretica Steven A. Junak 1999-4-23 SCa- 849 Los Angeles Santa Catalina Island. E of isthmus, plant stop, along S side of road. 182 Comment
  RSA0067560  Helianthemum scoparium R. G. Swinney 2010-5-4 12499 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  SFV21900  Helianthemum scoparium P. M. Schiffman 2011-4-21 s. n. Los Angeles Santa Susana Mountains Mouth of Browns Canyon along Toltec Drive. 400 Comment
  CAS-BOT-BC305413  Helianthus annuus John Thomas Howell 1960-3-23 35144 Los Angeles Tujunga Wash Comment
  CAS-BOT-BC305431  Helianthus annuus Peter H. Raven 1957-9-21 11327 Los Angeles Small hill at n.w. end of U.C.L.A. campus, Los Angeles Comment
  UCR210444  Helianthus annuus R. G. Swinney 2008-11-30 9884 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  CDA6537  Helianthus ciliaris Garrettson 1915-1 47 Los Angeles Montebello Hills District. 0 Comment
  LA200225  Helianthus gracilentus Jonathan Sauer; Frank Almeda 1975-9-18 5742 Los Angeles Santa Monica Mountains, Arroyo Sequit, Sequit Basin, W Santa Monica Mountains Comment
  RSA0083303  Helianthus gracilentus R. G. Swinney 2010-6-4 13044 Los Angeles Placerita Canyon Natural Area, Botany Trail Loop, from Nature Center to the NE in a ravine and along ridgetop to its south, parallel and to the south of Placerita Canyon Rd. 473 Comment
  CATA391  Helminthotheca echioides Mark L. Hoefs 1974-5-2 457 Los Angeles Santa Catalina Island: Southeast side of main road at Little Harbor 3 Comment
  RSA360234  Hemizonia clementina M. B. Dunkle 1939-4-5 7277 Los Angeles Pyramid Cove, San Clemente Island. Comment
  UCR127163  Hemizonia fasciculata A. C. Sanders, Mark A. Elvin, and others 2003-5-1 26269 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 442 Comment
  UCR88687  Hemizonia minthornii Scott D. White 1995-10-19 3721 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  SBBG17881  Hesperocnide tenella P. H. Raven 1962-5-9 17701 Los Angeles cyn just N of Gray 304 Comment
  UC557779  Hesperocnide tenella Nell Murbarger May, 1936 169 Los Angeles canyon on e side San Clemente Island; canyon on e side San Clemente Island Comment
  LA82111  Heteromeles arbutifolia O. H. Kappler; 1940-7-21 70 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA659572  Heteromeles arbutifolia Brian McColgan 1988-5-10 8 Los Angeles Evey Cyn., 1 mile N of Padua on Mt. Baldy Rd 915 Comment
  RSA0074531  Heterotheca fastigiata Joseph M. Keefe 2001-3-19 31158 Los Angeles San Rafael Mountains: Ravine 10 meters north of Glenoaks Boulevard, 200 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, 91208. 466 Comment
  RSA0074433  Heterotheca grandiflora S. Koukol, E. Lutz 1998-4-26 22 Los Angeles Claremont, along E side of Indian Hill Blvd., 50 m S of Baseline Road. 421 Comment
  RSA0075647  Heterotheca grandiflora LeRoy Gross 2007-4-21 2650 Los Angeles Verdugo Mountains region: North side of the range; Engleheard Canyon. Pass or up canyon from Camp Max Straus at the end of Shirly Jean Street. Along fire road, close to a picnic area with a table. Pass the corral area for the camp. 379 Comment
  SBBG63061  Heterotheca grandiflora M. N. Ackley -Oct-1927 187 Los Angeles Eagle Rock 182 Comment
  UC75960  Heterotheca grandiflora Geo. B. Grant 1901-1-1 568 Los Angeles Pasadena Comment
  RSA0074444  Heterotheca grandiflora Gerald W. Fisher 1948-2-8 s.n. Los Angeles West bank Hollywood Reservoir (Mulholland Dam). Comment
  UC212561  Heuchera elegans I. M. Johnston 1917-7-15 1456 Los Angeles head of South Fork (by the Creek); San Antonio Mountains 1828 Comment
  UCR260624  Hieracium argutum R. G. Swinney 2010-8-9 13454 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, Camp Sturtevant Heliport Trail 0 to 0.3 miles ENE of the camp and the jct. of the Mt. Zion Trail and the Sturtevant Trail 427 Comment
  CAS-BOT-BC319767  Hieracium argutum Fordyce Grinnell, Jr. 1904-7-29 s.n. Los Angeles Arroyo Seco Canyon Comment
  CAS-BOT-BC319772  Hieracium argutum George L. Moxley 1920-8-28 822 Los Angeles Garapito Canyon, Santa Monica Mts. Comment
  UCD115131  Hirschfeldia incana P. B. Kennedy 1918-8-1 A Los Angeles Around High School. Comment
  UC2026455  Holocarpha heermannii Steve Boyd, L. Raz 1997-6-18 9984 Los Angeles LIEBRE MOUNTAINS REGION: North base of Portal Ridge along the Broad Canyon Motorway, east of the mouth of Broad Canyon, edge of the Antelope Valley. Comment
  CAS-BOT-BC149955  Holodiscus discolor var. discolor Joseph Andorfer Ewan 1933-7-4 7853 Los Angeles Sturdevant Trail, Santa Anita Canyon, San Gabriel Mts. 1066 Comment
  UC1971311  Holodiscus discolor var. 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. Comment
  RSA703231  Hordeum depressum R. E. Riefner Jr. 2004-4-20 4 -139 Los Angeles City of Long Beach, Middle Harbor area of San Gabriel River, West of Westminster Ave. 12 Comment
  UCR187007  Hordeum depressum A. C. Sanders 2006-4-21 32157 Los Angeles Tehachapi Mtns. Foothills, ephemeral stream c. 1 mile east of Quail Lake, northeast of the intersection of the National Cement Plant Rd. and Hwy 138 1006 Comment
  RSA535312  Hordeum intercedens Timothy S. Ross 1991-5-20 5371 Los Angeles San Clemente Island, west Side. Terrace flats between Box and Horse Canyons. 486 Comment
  UCR94711  Hordeum jubatum A. C. Sanders, E. J. Lott 1993-5-6 13992 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
  POM205111  Hordeum murinum Le Roy Abrams 1903-4-11 3243 Los Angeles Along streets, Inglewood Comment
  CATA720  Hordeum murinum subsp. glaucum Mark L. Hoefs 1991-5-18 1227 Los Angeles Santa Catalina Island: Middle Canyon 268 Comment
  RSA600182  Hordeum murinum subsp. glaucum L. C. Wheeler 1968-3-17 s.n. Los Angeles West Fork Morgan Canyon at Ferguson Motorway. 412 Comment
  RSA660893  Hordeum murinum subsp. glaucum Ann Williams 1992-5-14 13 -92 Los Angeles End of Canyon Dr., .2 miles off Penn St. and 100 yds. E of Whittier College track. 152 Comment
  RSA755929  Hordeum murinum subsp. glaucum Orlando Mistretta, Christine Mistretta 2008-4-10 2409 Los Angeles Ritter Ridge, SW of Quartz Hill. Along SCE transmission lines just S. of California Aqueduct . (Segment 5, structure 17 per TRTP survey - 2008) 919 Comment
  LA14713  Hordeum murinum subsp. glaucum Carl Epling; 1931-4-25 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  UCR96173  Hordeum vulgare B. G. Pitzer 1996-4-20 2706 Los Angeles Western Mojave Desert, Antelope Valley, north side of Hwy 138 (Ave. 'D'), c. 2 mi. west of Neenach (c. 30 mi. west of Hwy 14) 915 Comment
  CAS-BOT-BC532292  Horkelia cuneata var. puberula Edith A. Purer 1935-5-11 6592 Los Angeles Santa Monica Mountains, near junction of Malibu Lodge Road & Ventura Boulevard Comment
  RSA451548  Horkelia rydbergii L. E. Hoffman 1931-12-22 s.n. Los Angeles Chilao Flats Comment
  RSA594196  Hymenoclea salsola Steve Boyd, Lauren Raz 1996-10-14 9054 Los Angeles Liebre Mountains region, near the head of Soledad Canyon, just north of the confluence of Kentucky Springs Canyon, strip of undeveloped land between Sierra Highway and Highway 14, just west of Vincent Fire Station. 939 Comment
  LA105581  Hypochaeris glabra Barry A. Prigge; 1989-5-10 8705 Los Angeles Santa Monica Mountains, Point Dume, above Dume Cove 45 Comment
  RSA588897  Hypochaeris glabra Timothy S. Ross, S. D. Boyd 1990-5-15 2545 Los Angeles Ridgetop between Boulder Canyon drainage (on W) and Gold Canyon (on E). Gold Canyon Saddle: Tujunga Ranger District, Angeles National Forest. 902 Comment
  POM186322  Hypochaeris radicata L. C. Wheeler 1932-10-1 1417 Los Angeles Emerald Ave, 1.5 miles N La Verne 351 Comment
  SEINET10637907  Ipomoea batatas Mary Merello, Heidi H. Schmidt 1999-12-4 Merello 2561 Los Angeles City of Los Angeles. Chinatown. Ai Hoa Supermarket, 860 N. Hill St. Comment
  POM274199  Isocoma acradenia J. C. Roos 1947-9-18 2791 Los Angeles Lancaster Comment
  SD72771  Isocoma menziesii var. menziesii F. R. Fosberg 1931-9-16 S 5684 Los Angeles Los Angeles, east base of Baldwin Hills 49 Comment
  RSA643396  Isocoma menziesii var. vernonioides Orlando Mistretta 1992-9-16 815 Los Angeles San Gabriel Mountains: Oak Springs Trail at south trail head. 579 Comment
  UCR95476  Isopyrum occidentale Steve Boyd, M. Wall 1996-4-4 8544 Los Angeles Transverse Range; Liebre Mtns., Angeles National Forest; lower Ruby Canyon, along Ruby Canyon Road c. 0.85 mi east of the junction with Lake Hughes Road, upstream from the confluence of Ruby Canyon and Elizabeth Lake Canyon at the NW base of Red Mountain 610 Comment
Read comments
Sep 26 2006
  UCSB31629  Iva axillaris Griesel, Wesley 1962-5-28 Los Angeles San Gabriel Mts.; on the road from Big Pines to Valyermo 1524 Comment
  RSA0011177  Juglans californica Louis C. Wheeler 1972-12-22 12794 Los Angeles Highland Park: Arroyo Seco Park. Comment
  LA200574  Juglans californica var. californica Carl Epling; L. Ellison 1929-4-27 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  LA210279  Juglans californica var. californica Martha Hilend; 1933-5-19 Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  UCD169214  Juglans hindsii R. E. Riefner Jr. 2012-12-11 12- 598 Los Angeles Sunland-Tujunga, along Stonehurst Ave. near Orcas Ave. 288 Comment
  UCR282437  Juglans hindsii D. E. Bramlet, Robt. L. Allen 2011-5-23 4841 Los Angeles Whittier Narrows Recreation Area, 150 ft. east of the Rio Hondo Channel, 2,125 ft west of Rosemead Blvd. , 720 ft. east of San Gabriel Blvd. & 30 ft. west of the Bike path 63 Comment
  UC1950784  Juncus A. C. Sanders, Mark A. Elvin 2002-6-22 25279 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom, 0.5 mi SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. 274 Comment
  UCR190725  Juncus R. G. Swinney 1999-7-5 7510 Los Angeles San Gabriel Mtns., head of Cedar Canyon, stream bottom NW of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2 2012 Comment
  CATA116  Juncus acutus subsp. leopoldii Peter Henrikson 1987-5-8 87 Los Angeles Santa Catalina Island: Little Springs Canyon 30 Comment
  UC842094  Juncus acutus subsp. leopoldii F. R. Fosberg 1931-5-18 S 4899 Los Angeles Little Harbor Santa Catalina Island 5 Comment
  RSA755831  Juncus balticus subsp. ater R. G. Swinney 2008-10-7 9489 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak 1622 Comment
  RSA368151  Juncus bufonius Freda Detmers 1928-4-24 s.n. Los Angeles Los Angeles.[Los Angeles River?] Comment
  SEINET6744570 Image available Juncus bufonius Tracy, Evans 1887-1 165 Los Angeles Los Angeles, California Comment
  POM1543  Juncus bufonius I. M. Johnston 1916-12-29 s.n. Los Angeles Claremont, just south of town. Comment
  CATA807  Juncus bufonius var. bufonius Mark L. Hoefs, Robert Given 1991-6-12 1379 Los Angeles Santa Catalina Island: Near junction of road between Middle Canyon and Bulrush and road to Camp Cactus 228 Comment
  JEPS45916  Juncus ensifolius Joseph Andorfer Ewan 1934-8-10 8432 Los Angeles nw slope Mount Waterman; San Gabriel Mts. 2286 Comment
  CHSC96312  Juncus macrophyllus LeRoy Gross; Michael Denslow, Bill Hogshead, Sarah Swartzentrub 2003-6-17 1072 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. UTM Zone 11: 3788525N 0381831E. Unnamed canyon that Hostetter road follows to near the main crest. Could be La Tuna Canyon as this is near the head of that canyon. If this is La Tuna Canyon, then the canyon makes a turn from draining to the west, turns south so the drainage is north. These collections are around the bend in the canyon. 549 Comment
  RSA0056206  Juncus macrophyllus Orlando Mistretta, Mike Hammit 1991-4-15 s.n. Los Angeles Liebre Mountains region: San Francisquito Canyon. 543 Comment
  UCR149910  Juncus macrophyllus R. G. Swinney 1999-6-18 7336 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  RSA368264  Juncus macrophyllus Geo L. Moxley 1915-7-21 395 Los Angeles 0.5 mi. above trail to Colby's Comment
  UCD141713  Juncus macrophyllus Henry J. Thompson 1959-5-31 2059 Los Angeles just east of junction of Latigo Canyon Road with Mulholland Highway. Santa Monica Mountains. 518 Comment
  RSA188249  Juncus mexicanus Robert F. Thorne, Percy C. Everett 1965-6-23 34967 Los Angeles Santa Catalina Island. Upper part of Middle Ranch Canyon. 305 Comment
  RSA586691  Juncus mexicanus Orlando Mistretta, Mark A. Elvin 1995-6-20 1791 Los Angeles San Gabriel Mountains, Bare Mountain Canyon; Fountainhead Spring, E of Pacifico Mtn. 2012 Comment
  RSA601325  Juncus mexicanus Steve Boyd, Lauren Raz 1997-6-18 9968 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  UCR180241  Juncus oxymeris Scott D. White, Andrea Warniment 2006-7-6 11609 Los Angeles SE Tehachapi Mtns, Gorman area, sag ponds and adjacent slopes just N of Gorman Post Road 1143 Comment
  POM184645  Juncus rugulosus L. C. Wheeler 1932-9-5 1351 Los Angeles San Antonio Canyon, San Gabriel Mountains. 884 Comment
  RSA669335  Juncus xiphioides LeRoy Gross, Naomi Fraga, Steve Williams 2002-7-17 559 Los Angeles Transverse Ranges; Verdugo Mountains region: North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road 425 Comment
  NY127798  Juniperus californica T. S. Ross 1990-6-11 3391 Los Angeles San Gabriel Mountains. Little Rock Creek: Joshua Tree Campground on the southwest side of Little Rock Reservoir; Pacifico Mountain 7.5' USGS topo sheet 996.7 Comment
  NY21018  Juniperus californica T. G. Yuncker 1931-6-29 3822 Los Angeles Los Angeles, Exposition Park Comment
  SBBG387  Juniperus californica J. M. Tucker 1946-10-18 1471 Los Angeles vicinity of Hwy 99, 3.9 mi S of Gorman Comment
  UC1134268  Juniperus californica G. T. Nordstrom 1935-3-20 385 Los Angeles 1.75 mi e mouth of Snowy Creek; Santa Barbara National Forest, Tejon Quad. 1036 Comment
  HSC35975  Juniperus occidentalis Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-8-19 2173 Los Angeles Beside Hwy. 5, W of junction with Hwy. 138 915 Comment
  RSA549784  Keckiella antirrhinoides var. antirrhinoides Wandalee Thompson 1964-4-11 3 Los Angeles Liebre Mtns.: San Francisquito Canyon Road at Powerhouse No. 2, San Francisquito Canyon, Angeles National Forest. 457 Comment
  CAS-BOT-BC235739  Keckiella cordifolia Geo. B. Grant 1904-6-14 s.n. Los Angeles Monrovia Comment
  POM175574  Keckiella cordifolia E. Crow 1930-6-28 s.n. Los Angeles Bichota Canyon - North Fork, San Gabriel Canyon. Comment
  SBBG97015  Keckiella cordifolia S. Boyd with T. Ross, L. Arnseth 1990-4-8 4426 Los Angeles Bryce Cyn near Malo Pt Comment
  UC535525  Keckiella cordifolia Ira W. Clokey, B. Templeton May 1929 4561 Los Angeles Mandeville Canyon; Santa Monica Mountains 500 Comment
  UCD123815  Keckiella cordifolia J. E. Stumbo 1966-5-11 LASCA 545 Los Angeles wilderness area of the Lux Arboretum Annex, Monrovia. Comment
  UCR210031  Keckiella cordifolia R. G. Swinney 2008-7-12 9165 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  POM305721  Keckiella ternata subsp. septentrionalis Henry J. Ramsey, Henry J. Ramsey 1937-6-27 933 Los Angeles Pine Canyon, Angeles National Forest Comment
  RSA0091194  Keckiella ternata var. septentrionalis Bonnie C. Templeton 1952-6-19 s.n. Los Angeles Bouquet Canyon. Comment
  CAS-BOT-BC176829  Kochia californica Ernest C. Twisselmann 1970-9-8 17498 Los Angeles Antelope Valley: Avenue C 0.3 mile east of Highway 14 (wastelands on the west border of Rosamond Dry Lake) 746 Comment
  UCR255486  Kyllinga brevifolia Dan S. Cooper 2014-6-26 614- 21 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Lower Sennett Canyon adjacent to Forest Lawn cemetery, at Forest Lawn Dr. 155 Comment
  SBBG108934  Laennecia coulteri S. A. Junak 1996-9-28 SCl 670 Los Angeles W side of San Clemente Ridge Rd, 1.3 mi N of intersection with rd to Eel Pt 243 Comment
  IRVC29659  Lagophylla ramosissima Mark A. Elvin 2003-6-12 2946 Los Angeles Newhall Ranch, S of Magic Mountain Amusement Park, W of The Old Road Santa Clarita Valley 366 Comment
  POM4986  Lagophylla ramosissima I. M. Johnston 1918-8-4 s.n. Los Angeles Hills W of Pomona. 305 Comment
  UCR240278  Lagophylla ramosissima S. J. Myers 2010-6-14 s.n. Los Angeles Western Mojave Desert, Antelope Valley, California Poppy Preserve, Southern California Edison transmission tower on a low ridge at the eastern end of the Antelope Buttes, east of 130th St. West, north of West Ave. E 8, NW of Lancaster 822 Comment
  CATA1528  Lagunaria patersonia Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1996-7-10 2749 Los Angeles Santa Catalina Island: Catalina Harbor at the Isthmus 3 Comment
  UCR271748  Lamarckia aurea R. G. Swinney 2011-3-26 14231 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
  UCSB403  Lamarckia aurea Wedberg, H. 1957-5-4 Los Angeles UCLA Faculty Hill Comment
  LA12433  Lamarckia aurea Carl Epling; 1931-4-15 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  UCR138994  Lamium amplexicaule L. C. Wheeler 1974-4-14 s.n. Los Angeles San Gabriel Mtns., Wildwood Ranch, Shuler Canyon 412 Comment
  SEINET4133990  Lamium amplexicaule Louis C. Wheeler 1933-7-14 1937 Los Angeles Portrero Chico near Rio Hondo.; 0 69 Comment
  RSA574288  Lantana montevidensis Tim S. Ross, Steve D. Boyd, Kyle Boyd 1992-7-9 6635 Los Angeles Claremont: grounds of RSABG, on the SE edge of Indian Hill Mesa. 405 Comment
  CAS-BOT-BC337928  Lasthenia californica A. C. Sanders; Mark Elvin; et al 2003-4-14 25952 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
  SFV3751  Lasthenia californica J. Chapman 1956-3-30 s. n. Los Angeles San Gabriel Mountains Gorman. Comment
  UC30405  Lasthenia coronaria Harley P. Chandler 1898-3-10 Los Angeles Claremont Comment
  UC135364  Lasthenia coronaria C. F. Baker 1903-8-13 4091 Los Angeles Claremont Comment
  CAS-BOT-BC329162  Lasthenia glabrata subsp. coulteri Le Roy Abrams 1899-4-1 361 Los Angeles Ballon Marshes Comment
  JEPS10373  Lasthenia gracilis W. L. Jepson 1939-4-21 19224 Los Angeles Saugus 356 Comment
  RSA586000  Lasthenia gracilis Adree M. Desrochers 1990-4-19 473 Los Angeles Near Palmdale, along Ave Q, 0.2kim W of Division St/Ave Q Comment
  RSA405667  Lathyrus vestitus subsp. laetiflorus E. S. Spalding 1923-2-3 s.n. Los Angeles Laurel Canyon Comment
  POM155760  Lathyrus vestitus subsp. laevicarpus M. L. Bryan 1928-3-2 60 Los Angeles Mandeville Canyon, near Santa Monica Comment
  CATA1456  Lathyrus vestitus var. alefeldii Mark L. Hoefs, Robert F. Thorne 1996-4-6 2640 Los Angeles Santa Catalina Island: Renton Mine Road 243 Comment
  LA200460  Lathyrus vestitus var. vestitus Carl Epling; L. Ellison 1929-3-16 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA500842  Lavatera assurgentiflora subsp. assurgentiflora F. C. Boutin 1967-5-23 1623 Los Angeles San Clemente Island: north end of island SW of airstrip runway, 25 miles from coast Comment
  RSA518031  Layia glandulosa Steve Boyd 1986-3-31 1527 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  UC1928578  Layia glandulosa Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 05050 57 Los Angeles Transverse Ranges; San Gabriel Mountains region; Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. 1444 Comment
  UCR46129  Layia glandulosa Kathy Harper 1986-5-16 s.n. Los Angeles San Gabriel Mtns., Along unpaved road from Alder Saddle to Pacifico Mtn, NW of Hwy 2 Comment
  SBBG95915  Layia platyglossa M. B. Dunkle 1939-4-3 7233 Los Angeles Chenetti Cyn Comment
  SD80057  Lepidium densiflorum C. W. Tilforth 1970-4-9 256 Los Angeles Rancho Santa Ana Botanic Garden, Claremont. Comment
  SBBG70798  Lepidium dictyotum M. N. Ackley -Feb-1928 137 Los Angeles Linwood 24 Comment
  UC1076213  Lepidium flavum H. L. Mason 1932-4-1 6863 Los Angeles 1 mi e Lancaster Comment
  UCR280548  Lepidium fremontii R. G. Swinney 2014-4-17 16076 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
  RSA429610  Lepidium lasiocarpum Jack Rempel 1932-3-6 15214 Los Angeles El Segundo Comment
  LA210066  Lepidium nitidum var. nitidum W. O. Griesel; 1936-4-18 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  LA51504  Lepidium nitidum var. nitidum O. H. Kappler; 1944-4-2 578 Los Angeles Santa Monica Mountains, Cold Creek, Monte Nido 152 Comment
  POM9842  Lepidium nitidum var. nitidum P. A. Munz, R. D. Harwood 1920-3-13 3314 Los Angeles San Jose Hills, 3 miles W of Pomona. 305 Comment
  SBBG131927  Lepidium strictum S. A. Junak 2000-5-19 SCa 1308 Los Angeles rd on SE side of Echo Lake 390 Comment
  UCR252775  Lepidium strictum R. G. Swinney 2010-3-10 11786 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes 329 Comment
  RSA479519  Lepidium virginicum var. pubescens Steve Boyd, Thomas Elias 1987-4-14 2060 Los Angeles Ridge between Pine Mountain and Silver Mountain, S of Rincon - Red Box Rd., N of Glendora. Comment
  HSC79920  Lepidospartum squamatum James Henrickson 1972-11-2 8095 Los Angeles 8 mi. NW of Newhall, NW of jct. of Hwy. 5 and Hasley Canyon Rd. 366 Comment
  CATA422  Leptochloa fusca subsp. uninervia Sara L. Crockett 1997-2-1 559 Los Angeles Santa Catalina Island: 0.3 mile NE of Wrigley Botanical Garden, toward Avalon on Avalon Canyon Road (E side), on N side of L. A. County Interpretive Center 91 Comment
  UC674925  Leptodactylon californicum Francis W. Pennell 1940-5-5 25317 Los Angeles w Sunland (Big Tujunga Wash); Big Tujunga Wash 396 Comment
  UCR89977  Leptodactylon californicum Scott D. White, Chet McGaugh 1995-5-6 3226 Los Angeles Santa Susana Mountains, E edge of the mountains, just west of San Gabriel Mountains. 'Sunshine Canyon' (name not shown on topo): west of San Fernando Rd. and I-15 Hwy, just SW of interchange with SR 14 Fwy. Sunshine Canyon Landfill property; site proposed for landfill expansion 488 Comment
  SD44505  Leptosiphon aureus Herbert L. Mason 1926-4-26 2945 Los Angeles Pacoima Wash, foothills of San Gabriel Mountains. Comment
  RSA0105977  Leptosiphon breviculus R. G. Swinney 2011-7-8 15506 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), the middle elevation (& smallest ) of three natural depressions at the north base of Strawberry Peak. 1171 Comment
  RSA587462  Leptosiphon breviculus Orlando Mistretta 1995-4-11 1622 Los Angeles Santiago Canyon;W slopes of Santiago Canyon ca. 1mile SW of confluence with Little Rock Creek. 1037 Comment
  SDSU21374  Leptosiphon breviculus S. H. Bullock 1968-4-6 38 Los Angeles Claremont. North side of Foothill Blvd. between Darthmouth and College Ave. 366 Comment
  RSA0099422  Leptosiphon ciliatus R. G. Swinney 2011-6-7 15049 Los Angeles San Gabriel Mountains: Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy. 2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek 1573 Comment
  RSA0074220  Leptosiphon parviflorus Louis C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast of Vincent. 991 Comment
  RSA0116447  Leptosyne bigelovii R. G. Swinney 2010-5-21 12899 Los Angeles San Gabriel Mountains; unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1299 Comment
  RSA0010522  Leptosyne californica LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6801 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA569225  Leptosyne californica B. C. Templeton 1931-5-17 1206 Los Angeles Between Palmdale and Lancaster. Mojave Desert. Comment
  UCR200150  Lessingia filaginifolia var. filaginifolia Valerie Soza, Shalini Deo, Stephen Dreher 2000-4-27 804 Los Angeles Verdugo Mountains, south side, Wildwood Canyon, Wildwood Canyon Park, at end of paved Wildwood Canyon Road at junction with fire road 488 Comment
  RSA589140  Lessingia glandulifera var. glandulifera Orlando Mistretta 1994-5-11 1175 Los Angeles Little Rock Creek, E slopes of canyon W of Basin Campground 1037 Comment
  RSA608009  Lessingia glandulifera var. glandulifera Louis C. Wheeler 1968-7-24 s.n. Los Angeles San Gabriel Mountains: South end of Mt. Hillyer. 1890 Comment
  RSA233424  Lewisia rediviva R. F. Thorne, M. Z. Thorne 1968-11-9 37864 Los Angeles San Gabriel Mountains, Angeles National Forest: summit of Mt. Williamson, 2504 Comment
  RSA65446A  Lewisia rediviva F. W. Peirson 1905-7-14 37 Los Angeles South of summit of Mt. San Antonio, San Gabriel Mountains Comment
  RSA365308  Leymus condensatus George B. Grant 1902-6-25 1081 Los Angeles San Gabriel Canyon. Comment
  CAS-BOT-BC274471  Leymus triticoides Steve Boyd; Amber Maurice 2004-5-18 11325 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
  SBBG12990  Leymus triticoides E. R. Blakley 1962-10-5 5448 Los Angeles Cottonwood Cyn, 0.25 mi upstream from ocean 30 Comment
  RSA68713  Lilium humboldtii subsp. ocellatum Raymond J. Dobbs 1924-6-30 5386 Los Angeles Stream trail, 1/4 mile N of Switzers Camp, San Gabriel Mountains. 930 Comment
  SD230124  Lilium parryi Louis C. Wheeler 1970-9-10 Los Angeles San Gabriel Mountains: South Fork Alder Gulch. 1676 Comment
  UCSB17814  Limonium perezii Keith, Sheldon 1963-4-8 Los Angeles junction of Palos Verdes Drive and Via Chico in Palos Verdes Estates 91 Comment
  UCR263054  Linanthus aureus subsp. aureus Mitch Provance 2008-4-14 408- 13 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
  HSC17060  Linanthus californicus G. E. Anderson 1966-4-4 22 Los Angeles 2 mi. N of Topanga S side on Hwy. 27 Comment
  RSA191134  Linanthus californicus R. F. Thorne, M. Z. Thorne 1967-6-25 37088 Los Angeles Along fire-road between Cobal and Evey Canyons. 732 Comment
  POM74788  Linanthus californicus subsp. glandulosus Marcus E. Jones 1882-5-2 s.n. Los Angeles Pasadena. Comment
  CHSC109277  Linanthus concinnus Valeria Soza; Sara J. DeGroot 2003-6-18 1687 Los Angeles Transverse Ranges; San Gabriel Mountains region: Upper Cooper Canyon, along Forest Service Road 1000.5 northeast of Cloudburst Summit, approximately 0.6 miles above Cooper Canyon trail Camp on east slopes of Winston Peak. UTM Zone: 3802222N 0415200E. 1982 Comment
  UCD118502  Linanthus dianthiflorus Robert F. Thorne Date Unknown 34461 Los Angeles N slope of Black Jack Mountain, Santa Catalina Island. 457 Comment
  RSA0116314  Linanthus dichotomus A. C. Sanders, T. B. Salvato, Aaron Keller 2006-3-22 31965 Los Angeles Tehachapi Mtns. Foothills: south side of Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake. 1006 Comment
  UCR185597  Linanthus dichotomus A. C. Sanders 2007-4-25 33582 Los Angeles Tehachapi Mtns., Oso Canyon, 0.75 mi. SE of the Kern Co. line along Oso Cyn. Rd. 1143 Comment
  UCR78147  Linanthus dichotomus Wandalee Thompson 1964-4-20 29 Los Angeles Transverse Range; Liebre Mtns., Thompson Ranch entrance road, 20660 West Pine Canyon Road, c. 5 miles west of Lake Hughes 1128 Comment
  SEINET3086006 Image available Linanthus dichotomus subsp. meridianus E. R. Blakley 1958-5-10 2279 Los Angeles 14 miles east of Quail Lake on State Highway #138 - Antelope Valley. 914 Comment
  UC23772  Linanthus parviflorus J. Burtt Davy May 9 1896-May 24 1896 2316 Los Angeles Llano Verde, West Palmdale Antelope Valley Comment
  RSA584445  Linanthus pungens R. G. Swinney 1992-7-10 1852 Los Angeles San Gabriel Mountains, East Baldy Peak. All plants collected within 50 yards of Peak 3049 Comment
  LA82095  Lithophragma affine O. H. Kappler; 1941-3-15 128 Los Angeles Santa Monica Mountains, W Fork, Las Trancas (Rattlesnake) Canyon 365 Comment
  POM92064  Lithophragma affine subsp. mixtum H. E. Hasse 1890-04 s.n. Los Angeles [Los Angeles?] Comment
  RSA747945  Lithophragma bolanderi Scott D. White, J. Wood, C. Huntley, J. Miner 2009-5-12 12695 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
  UC1143168  Lobelia dunnii var. serrata Jerome S. Horton 1937-10-14 501 Los Angeles Lewis Paul Canyon Falls, San Dimas Froest and Range Experiment Station, Lewis Paul Watershed Lewis Paul Canyon Falls; San Dimas Froest and Range Experiment Station 579 Comment
  UCR61569  Lobelia dunnii var. serrata R. G. Swinney 1989-7-13 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon. Lewis Paul Falls 518 Comment
  RSA656251  Lobularia maritima Yvonne Younger 1977-5-22 22 Los Angeles Verdugo Mountains: 934 Cresthaven Drive, Eagle Rock. 243 Comment
  RSA624068  Loeflingia squarrosa L. C. Wheeler 1967-5-18 9653 Los Angeles San Gabriel Mountains: Placerita Canyon, vicinity of Oak of the Golden Dream. 478 Comment
  UCR104774  Loeflingia squarrosa David Charlton 1991-5-18 5182 Los Angeles Western Mojave Desert, Edwards Air Force Base, Piute Ponds, old homestead road just east of ponds, south of Rosamond Dry Lake 701 Comment
  UC909081  Loeseliastrum matthewsii Herbert L. Mason 1926-4-27 3058 Los Angeles 30 mi. w. Victorville; Mojave Desert Comment
  SBBG89711  Logfia arizonica M. B. Dunkle 1939-4-6 7317 Los Angeles Mosquito Ridge Comment
  SBBG131738  Logfia gallica S. A. Junak 1999-4-22 SCa 839 Los Angeles White's Landing, tent cabin area, YMCA Camp, just W of amphitheater 6 Comment
  POM356949  Lolium perenne subsp. multiflorum F. R. Fosberg 1930-6-26 S- 3004 Los Angeles Culver Garden. 15 Comment
  RSA592165  Lolium temulentum L. C. Wheeler 1967-5-7 9289 Los Angeles San Gabriel Mountains. Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon. 655 Comment
  POM3254  Lomatium dasycarpum subsp. dasycarpum C. F. Baker 1904-04 4752 Los Angeles Claremont. 365 Comment
  RSA656057  Lomatium dasycarpum subsp. dasycarpum James Henrickson 1985-3-30 19788 Los Angeles Ca. 3 air mi. NNW of Newhall in proposed North Hills development just north of Santa Clara River and just E of San Francisquito Creek. 370 Comment
  UC934041  Lomatium dasycarpum subsp. dasycarpum H. L. Cogswell 1951-5-8 81 Los Angeles 0.75 mi N of San Dinias Park (Sec. B-10, Plot 2); San Gabriel Mountains, base of 518 Comment
  RSA252876  Lomatium mohavense R. F. Thorne 1973-5-11 43516 Los Angeles North of Shoemaker Canyon between Mile High and Valyermo. 1341 Comment
  RSA703037  Lomatium mohavense Vasu Dev, Barbara Dev 2005-3-16 s.n. Los Angeles ca 0.6 mi South of Acton, along Solidad Canyon Rd. Low East to South-East extending ridge. 820 Comment
  RSA772292  Lomatium mohavense R. G. Swinney 2009-4-28 10525 Los Angeles summit of Mt. Emma 1585 Comment
  SBBG59785  Lomatium nevadense R. Hoffmann 1930-4-10 Los Angeles between Lancaster and Del Sur, near highway Comment
  SBBG28219  Lomatium utriculatum F. W. Peirson 1921-2-26 2358 Los Angeles Topanga Cyn 304 Comment
  UCR176945  Lomatium utriculatum Scott D. White, S. Leatherman, D. E. Bramlet, A. Oneal, Weena Sangkatavat 2001-4-24 8415 Los Angeles Southwestern Liebre Mtns, Grasshopper Canyon area near Castaic Lake 701 Comment
  JEPS12848  Lonicera hispidula var. vacillans Frank W. Peirson 1918-6-30 218 Los Angeles Mt. Wilson Toll Road San Gabriel Mountains 1158 Comment
  POM186283  Lonicera hispidula var. vacillans Joseph A. Ewan 1933-7-4 7863 Los Angeles above Madrono Flats, E. Fork Santa Anita Canyon. 1067 Comment
  RSA100194  Lonicera hispidula var. vacillans F. W. Peirson 1918-6-15 264 Los Angeles Mint Canyon at northwest corner of San Gabriel Mts. Comment
  RSA3550  Lonicera hispidula var. vacillans C. B. Wolf 1932-5-9 3494 Los Angeles Along the road to Renton Mine, about due west of Pebbly Beach, Santa Catalina Island. 305 Comment
  SD112048  Lonicera hispidula var. vacillans Betsy Carpenter, Linda Allen 1975-3-21 Los Angeles Sant Catalina Island; Middle Ranch road. Comment
  UC102329  Lonicera hispidula var. vacillans J. W. Toumey 1894-9-10 Los Angeles Catalina Island Comment
  RSA729091  Lonicera interrupta R. G. Swinney 1999-6-30 7467 Los Angeles San Gabriel Mtns.: upper Boneyard Canyon c. 300 m south of Camp Jubilee Rd. intersection, Pinon Hills. 1463 Comment
  RSA729836  Lonicera interrupta R. G. Swinney 1999-6-21 7354 Los Angeles spring c. 150 m WNW of mouth of Jesus Canyon. 1494 Comment
  RSA802561  Lonicera interrupta Orlando Mistretta, Christine Mistretta 2011-7-6 5906 Los Angeles Fall Creek Canyon; tributary of N Fork Mill Creek, along Forest Road 3N27. 1239 Comment
  CAS-BOT-BC234813  Lonicera subspicata Joseph Andorfer Ewan 1936-8-2 9917 Los Angeles Mescal Creek, San Gabriel Mts. 1615 Comment
  POM156204  Lonicera subspicata var. denudata L. R. Abrams 1902-6-15 2544 Los Angeles Sepulveda Canyon, Santa Monica Mountains. Comment
  UC1234713  Lonicera subspicata var. denudata D. Gregory 1961-8-10 480 Los Angeles sw Mt. San Antonio (near an apple orchard in the bottom of the canyon below some springs); San Gabriel Mts., Coldwater Canyon Comment
  JEPS15491  Lonicera subspicata var. subspicata Peter H. Raven 1956-6-17 9411 Los Angeles slopes n.w. of Sunset Blvd. at Sepulveda Blvd. (Santa Monica Mts.); Santa Monica Mts. Comment
  JEPS22748  Lotus argophyllus var. argophyllus Rimo Bacigalupi with Reino Alava 1958-7-20 6400 Los Angeles Charlton Flat, close to Angeles Crest Highway (State Highway 2) San Gabriel Mountains, Angeles National Forest 1623 Comment
  RSA225670  Lotus argophyllus var. argophyllus R. F. Thorne 1971-5-22 39722 Los Angeles Fish Canyon. Comment
  SBBG31272  Lotus corniculatus R. F. Thorne 1966-9-15 36700 Los Angeles Middle Ranch, Middle Ranch Cyn 213 Comment
  UC284171  Lotus crassifolius var. crassifolius P. A. Munz 1923-5-26 6831 Los Angeles Big Rock Creek San Gabriel Mts. 1920 Comment
  SEINET3139360  Lotus crassifolius var. crassifolius R. Corral Diaz, A Corral, Diaz 1986-7-3 2116 Los Angeles Montanas San Gabriel, por la carretera No. 2, a 25.8 mi al norte de la interseccion con la autopista No. 134. Comment
  RSA724421  Lotus grandiflorus K. Dobry 1993-1-25 d- 1144 Los Angeles Santa Monica Mts. off Saddle Peak Rd So. of Hondo Cyn Comment
  UC153543  Lotus heermannii LeRoy Abrams 1902-7-4 2651 Los Angeles San Gabriel canyon San Gabriel Comment
  UCR222774  Lotus heermannii R. G. Swinney 2009-5-8 10698 Los Angeles Transverse Range; San Gabriel Mtns., Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  RSA682305  Lotus heermannii var. heermannii LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1059 Los Angeles South side of mountains: Brand Canyon, above the large waterfall, where the canyon forks off. 482 Comment
  RSA498758  Lotus humistratus M. Lindsay 1928-4-5 14573 Los Angeles Palos Verdes Hills Comment
  RSA549145  Lotus nevadensis var. davidsonii T. S. Ross 1992-7-16 6691 Los Angeles Near summit of Mt. Gleason, just E of the military reservation. 1901 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
  UCR131380  Lotus purshianus Alison Lipman 1998-6-2 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  RSA190894  Lotus salsuginosus R. F. Thorne 1967-5-19 36897 Los Angeles Santa Catalina Island, at Indian Head Point 91 Comment
  RSA38855  Lotus salsuginosus E. A. Purer 1935-5-11 6549 Los Angeles Hillside, Malibu Road Comment
  PASA221  Lotus scoparius Margaret Stason 1931-3-21 Los Angeles Near Roscoe Comment
  RSA3246  Lotus scoparius C. B. Wolf 1931-6-25 2236 Los Angeles Wash SW of Los Angeles Botanic Garden, along Beverly Blvd. (Mandeville Canyon). 61 Comment
  RSA406848  Lotus scoparius B. C. Templeton 1931-5-1 s.n. Los Angeles Mandeville Canyon. 300 Comment
  UC1129120  Lotus scoparius G. T. Nordstrom 1935-1-18 324 Los Angeles 3.5 mi s Gorman; Tejon Quad. 1005 Comment
  RSA712378  Lotus scoparius subsp. brevialatus A. C. Sanders 2003-3-14 25752 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd., north edge of 210 freeway east of the San Gabriel River channel. 159 Comment
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Apr 17 2009
  POM212061  Lotus scoparius var. brevialatus C. B. Wolf 1931-7-2 s.n. Los Angeles Little Tujunga Wash 1/2 mile above the bridge on the road from Sunland to San Fernando. 335 Comment
  RSA725190  Lotus scoparius var. brevialatus Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -100 Los Angeles N side of the San Gabriel Mountains. Right at the North End of Bob's Gap. 1433 Comment
  RSA485351  Lotus strigosus Steve Boyd 1987-4-14 2037 Los Angeles Rincon - Red Box Rd. S. of Rincon Forest Station, N. of Glendora Comment
  RSA562574  Lotus strigosus Steve Boyd 1993-4-22 7996 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon. 854 Comment
  UCR219470  Lotus strigosus R. G. Swinney 2009-3-31 10225 Los Angeles Transverse Range; San Gabriel Mtns., mouth of San Gabriel Canyon, 1.2 mi. north of Foothill Blvd, Azusa/Duarte 183 Comment
  UCR50996  Lotus strigosus A. C. Sanders, E. J. Lawlor 1988-4-3 7748 Los Angeles Tehachapi Mountains, southwest end of the Tehachapi Mtns, l mi northwest of Gorman on a gasline rd, 0.4 mi above old highway 1284 Comment
  RSA229191  Lotus strigosus R. F. Thorne 1971-6-30 40807 Los Angeles San Gabriel Mts., Angeles National Forest: Desiccated branch of S fork of Little Rock Creek, 1.8 miles below Alder Saddle in Pinyon Flats area. 1555 Comment
  RSA545339  Lotus strigosus T. S. Ross 1992-4-14 6179 Los Angeles San Clemente Island: central E side of island; stabilized slope above rutted Nanny Canyon drainage channel, 87 deg. S and ca 280m distant from where drainage meets the sea. 76 Comment
  RSA187894  Lotus strigosus var. strigosus R. F. Thorne 1966-4-7 35952 Los Angeles Santa Catalina Island: Cherry Valley. 61 Comment
  RSA533951  Lotus strigosus var. strigosus T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5203 Los Angeles San Clemente Island: 1300 feet NNW of Gud (888') marker. 241 Comment
  CLARK-A1528-2811  Lotus subpinnatus John C. Roos 1937-3-25 1686 Los Angeles Comment
  RSA406349  Lotus wrangelianus Blanche Trask 1900-04 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  LA32251  Ludwigia peploides subsp. peploides Peter H. Raven; Henry J. Thompson 1959-10-14 14630 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, E-end 220 Comment
  CAS-BOT-BC198387  Lupinus albifrons Carl B. Wolf 1932-5-13 3627 Los Angeles Santa Catalina Island, 100 yds. above the Wishbone, on the Avalon-Isthums Road 243 Comment
  UCSB43746  Lupinus albifrons Morales, M. 1982-4-18 Los Angeles 1 mile southeast of Avalon across from Safeway dock on Crescent Road 6 Comment
  CAS-BOT-BC8508  Lupinus aliclementinus Reid Venable Moran 1941-2-18 587 Los Angeles San Clemente Island, Middle Ranch Creek Comment
  CATA1200  Lupinus bicolor Mark L. Hoefs, Jay B. Walker, Carol Annable 1995-6-6 2232 Los Angeles Santa Catalina Island: By Cape Canyon Road, middle of Cape Canyon 323 Comment
  RSA496674  Lupinus bicolor A. C. Sanders 1988-4-3 7747 Los Angeles SW end Tehachapi Mountains, l mile NW of Gorman on gasline road, 0.4 mile above old highway. 1280 Comment
  UC917859  Lupinus bicolor Frank W. Gould 1944-4-1 2187 Los Angeles Playa Del Rey 0 Comment
  OBI70649  Lupinus bicolor Tim Ross, Steve Boyd 1990-6-6 2831 Los Angeles Green Valley Pasture (in San Francisquito Cyn): T6N R14W, N1/2 NW 1/4 sec 7 on Lake Hughes USGS 7.5' quad 1036 Comment
  RSA602637  Lupinus bicolor B. Pitzer 1996-4-20 2694 Los Angeles Western Mojave Desert Antelope Valley, north side of Hwy 138 (Ave. D), c. 2 mi. west of Neenach (c. 30 mi. west of Hwy 14). 915 Comment
  SBBG28950  Lupinus bicolor D. B. Dunn, C. Epling 1946-4-19 2121 Los Angeles W side of Hwy 99, 5 mi S of Los Angeles County Honor Farm 762 Comment
  SEINET10871232  Lupinus bicolor subsp. microphyllus Donald R. Bissing 1973-5-18 Bissing 77 Los Angeles Evey canyon, san gabriel mountains. Herbaceous plant to 10" tall, flowers Small, bicolor, blue and white. In open grassy meadow by roadside .4 mile from Mouth of canyon. Alt. 2400'. 732 Comment
  RSA732858  Lupinus concinnus R. G. Swinney 2001-5-18 7943 Los Angeles 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
  UCD107524  Lupinus concinnus A. C. Sanders; D. Malueg 1998-6-22 22027 Los Angeles San Gabriel Mtns. La Canada, SCE Gould Substation off Hwy 2, Gould Canyon. 595 Comment
  RSA0113890  Lupinus concinnus Steven A. Junak 1999-5-21 SCa- 978 Los Angeles Santa Catalina Island. Along road into Coffee Pot Canyon, S facing slope, next to road. 436 Comment
  SEINET10485090  Lupinus concinnus subsp. orcuttii David B. Dunn 1946-4-20 Dunn 2143 Los Angeles Station 12, west margin of Mohave Desert. Comment
  CLARK-A1703-1195  Lupinus excubitus Charles S. Papp 1964-4-23 437 Los Angeles Claremont Comment
  RSA587243  Lupinus excubitus var. austromontanus Orlando Mistretta 1994-5-11 1192 Los Angeles Little Rock Creek, E slopes of canyon W of Basin Campground. 1372 Comment
  UCR238106  Lupinus formosus Mark A. Elvin, Julie M. Vanderwier 2002-5-7 2008 Los Angeles Western Transverse Range, Newhall Ranch, Magic Mountain, in agricultural fields east of amusement park and west if I-5 Fwy 351 Comment
  UCD107744  Lupinus formosus C. F. Baker 1909-5-1 5303 Los Angeles Claremont. Comment
  LA89126  Lupinus formosus var. bridgesii Dave Dunn; 1941-3-29 943 Los Angeles Claremont Golf Course by Foothill Blvd Comment
  RSA703624  Lupinus hirsutissimus Tim Thibault, Ryan Gilmore 2004-4-29 238 Los Angeles Dry Lake Canyon, between tunnels W of Mt. Baldy Road 974 Comment
  SD252333  Lupinus hirsutissimus Steven A. Junak 1998-6-13 Sca 752 Los Angeles Santa Catalina Island: W side of Avalon Canyon, upslope from fire station. 139 Comment
  UC1129486  Lupinus hirsutissimus A. D. Gifford 1938-5-8 671 Los Angeles 1 mi ne Whitaker Peak; Angeles National Forest, Tejon Quadrangle Comment
  RSA230257  Lupinus latifolius subsp. parishii R. F. Thorne 1969-7-2 38320 Los Angeles San Gabriel Mts., Angeles National Forest: Moist area about spring 1 mile SW of Kratka Ridge along Angeles Crest Hwy. 2073 Comment
  RSA482507  Lupinus latifolius subsp. parishii Richard Noyes 1988-4-30 534 Los Angeles Claremont. San Gabriel Mountains: Burbank Canyon, northwest of Thompson Creek Dam 500 Comment
  UCR182491  Lupinus latifolius subsp. parishii R. G. Swinney 1997-7-22 5694 Los Angeles San Gabriel Mtns, Government Canyon, west of Wrightwood, 0.75 mi. west of San Bernardino Co. line at Hwy 2, Blue Ridge Mtn. area 2195 Comment
  OBI8158  Lupinus longifolius Lewis Metz 1977-4-9 LM 31 Los Angeles Found along road cut of old Mt Wilson toll rd, 3.5 km NE of Eaton Cyn bridge Comment
  SEINET10485619  Lupinus longifolius David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 yrs. Old. Grown in a field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. Seeds from open field pollen vector. Comment
  RSA682618  Lupinus microcarpus Scott D. White, Michael Honer 2003-5-7 9230 Los Angeles Liebre Mountains: Tapia Canyon, about 2 air miles east of Interstate 5 junction at Old Ridge Route. 427 Comment
  UCR126683  Lupinus microcarpus var. densiflorus A. C. Sanders, Mark A. Elvin 2003-4-16 26036 Los Angeles Santa Clara River watershed, Newhall Ranch, c. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 366 Comment
  RSA86959  Lupinus odoratus F. W. Peirson 1921-7-2 2477 Los Angeles Pallett Creek, lower Rock Creek tributary: north side of San Gabriel Mountains. 1098 Comment
  CAS-BOT-BC207238  Lupinus peirsonii Lester Rowntree 1932-1-1 s.n. Los Angeles Antelope Valley Comment
  RSA672220  Lupinus sparsiflorus Joseph M. Keefe 2001-4-8 31203 Los Angeles San Rafael Mountains. North side of Upperton Avenue (north across street from 1871 Upperton Avenue) at intersection with Upperton Place; pass in ridge between Eagle Rock Valley and York Valley (Highland Park); Los Angeles, CA 90042. 262 Comment
  UCR191286  Lupinus sparsiflorus T. B. Salvato 2008-4-22 3301 Los Angeles Transverse Range; Northwestern San Gabriel Mountain Foothills/Mojave Desert, east of Neenach in the Antelope Valley, south of Hwy 138 and west of 265th Street, slopes west of Pine Canyon 1006 Comment
  RSA191019  Lupinus sparsiflorus subsp. sparsiflorus R. F. Thorne 1963-5-5 32278 Los Angeles Cobal Canyon, Foothills of San Gabriel Mts., 4 miles N of Claremont 518 Comment
  RSA625862  Lupinus succulentus Scott D. White, Pam De Vries 1998-4-19 6271 Los Angeles Irwindale, San Gabriel River Basin, Santa Fe Flood Control Basin on disturbed alluvial fan. 152 Comment
  POM9619  Lupinus succulentus Philip A. Munz, R. D. Harwood 1920-5-15 4008 Los Angeles Sepulveda Canyon, Santa Monica Mountains 213 Comment
  RSA414323  Lupinus succulentus N. C. Cooper 1948-5-13 2762 Los Angeles Pomona. 244 Comment
  SEINET10489026  Lupinus succulentus Tilforth 1969-4-30 TILFORTH 187 Los Angeles Annual, growing thickly on e facing roadside bank. W side of colima ave just n Of hacienda blvd intersection n of whittier. Comment
  RSA0083315  Lupinus truncatus R. G. Swinney 2010-3-22 12024 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  UC138039  Lupinus truncatus C. F. Baker 1904-4-15 4192 Los Angeles Claremont Comment
  UCR41728  Lupinus truncatus G. R. Ballmer, G. F. Pratt 1986-3-25 s.n. Los Angeles Southern Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 Comment
  POM277133  Lupinus truncatus E. S. Steele, H. S. Pratt 1935-2-15 s.n. Los Angeles Eagle Rock. Comment
  RSA661017  Lupinus truncatus Orlando Mistretta 1992-4-5 157 Los Angeles Guds, San Clemente Island. Comment
  UCR43351  Luzula comosa David Charlton 1986-6-15 284 Los Angeles San Gabriel Mtns, Buckhorn Campground: creek along Burkhart Trail 1768 Comment
  UC26136  Lycium brevipes Blanche Trask 1890-1 Los Angeles Santa Catalina Island, Avalon Avalon; Santa Catalina Island, Avalon Comment
  SD248505  Lycium brevipes var. hassei R. E. Jr. Riefner 2011-8-19 11 104 Los Angeles Palos Verdes Peninsula, Palos Verdes Estates, Bluff Cove, Paseo Del Mar at Palos Verdes Drive West. Along trail next to parking lot. 89 Comment
  UCR250327  Lycium brevipes var. hassei R. E. Riefner Jr. 2013-4-8 13- 175 Los Angeles Palos Verdes Peninsula, Palos Verdes Estates, Bluff Cove, c. 0.25 mi north from Paseo Del Mar along Palos Verdes Drive West 93 Comment
  CDA20511  Lycopersicon esculentum M. O'Brien 2004-7-19 MOB 10 -04 Los Angeles South Coast; El Pescador State Beach. 0 Comment
  RSA680075  Lyonothamnus floribundus Mark A. Elvin, Michael Wall, Jennifer Stone 1996-8-7 310 Los Angeles San Clemente Island. Conchulagua Canyon. [Canchalagua] In canyon floor. Shelf under a 25' cliff. [Longitude should be 118 deg. instead of 116 deg.] 213 Comment
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Mar 28 2014
  SEINET10904068  Lyonothamnus floribundus subsp. floribundus Jon Ricketson, Heidi H. Schmidt 1992-10-21 Ricketson 4812 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Garden, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  UCR13482  Lyonothamnus floribundus subsp. floribundus O. F. Clarke, B. T. Gittins, D. Kucera & So. Cal. Botanists Fld. Trip 1968-2-25 s.n. Los Angeles Channel Islands, Santa Catalina Island, within 0.5 mile of the U.S.C. Marine Sciences Station at the isthmus on the N end of the island 213 Comment
  CATA1037  Lysimachia arvensis Mark L. Hoefs 1995-5-10 1960 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail 70 Comment
  PASA1881  Lythrum californicum Frank W. Peirson 1920-9-5 Los Angeles Eaton Canyon, San Gabriel Mts. 457 Comment
  RSA5892  Lythrum californicum Carl B. Wolf 1932-9-16 4112 Los Angeles Bryant Ranch: 200 feet E of State Highway at South boundary of 1.62 acre portion of NE 1/4 sect. 3. 2 Comment
  RSA93173  Machaeranthera canescens var. canescens F. W. Peirson 1923-8-30 4008 Los Angeles Le Montaine, north of Big Pines, ['Mescal Creek'] 2226 Comment
  SD69703  Madia exigua Robert F. Thorne 1966-4-29 36319 Los Angeles Santa Catalina Island, slopes below road to White's Landing above turn off to Echo Lake 409 Comment
  RSA604007  Mahonia dictyota L. C. Wheeler 1936-4-5 4084 Los Angeles San Dimas Canyon, San Gabriel Mts. 701 Comment
  UCR159918  Maianthemum stellatum Orlando Mistretta 1993-7-6 924 Los Angeles Transverse Ranges; San Gabriel Mountains, Buckhorn Canyon, near exit to Buckhorn Canyon Campground Comment
  SBBG17770  Malacothamnus clementinus P. H. Raven 1962-7-10 17977 Los Angeles cyn below Lemon Tank 243 Comment
  RSA433280  Malacothamnus davidsonii Geo. L. Moxley 1919-8-24 698 Los Angeles Big Tujunga Canyon. Comment
  RSA641495  Malacothamnus davidsonii Louis C. Wheeler 1967-8-13 10466 Los Angeles San Gabriel Mts: Angeles National Forest; Little Tujunga near Dillon Divide 793 Comment
  CAS-BOT-BC206370  Malacothamnus fremontii Timothy S. Ross; Peter W. Fritsch; Steve Boyd; Orlando Mistretta 1990-6-22 3702 Los Angeles Eastern half of the ridge, directly N of Fenner Canyon, Pinyon Ridge - San Gabriel Mountains 1990 Comment
  RSA586484A  Malacothamnus fremontii Orlando Mistretta, Mark A. Elvin 1995-6-20 1815 Los Angeles San Gabriel Mountains, Bare Mountain Canyon. 1799 Comment
  RSA596432  Malacothamnus marrubioides Steve Boyd, Mark A. Elvin, Victoria Jotikasthira 1996-6-25 8872 Los Angeles Liebre Mountains, upper Osito Canyon between Interstate 5 and the Old Ridge Route on gentle slope with grassland patch and adjacent steeper slopes and canyon bottom. 780 Comment
  JEPS36650  Malacothrix clevelandii F. W. Peirson 1919-5-21 445 Los Angeles Arroyo Seco San Gabriel Mts. 685 Comment
  RSA0053899  Malacothrix clevelandii R. G. Swinney 2010-5-11 12633 Los Angeles San Gabriel Mountains: Acton 0.7 road miles SE of jct. of Soledad Canyon Rd. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 Comment
  RSA603691  Malacothrix clevelandii L. C. Wheeler 1936-7-2 4209 Los Angeles Damp sunny silt in ravine Bottom, Bell Canyon 853 Comment
  UCR223019  Malacothrix coulteri R. G. Swinney 2009-5-5 10625 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  RSA535331  Malacothrix foliosa Timothy S. Ross 1991-5-20 5347 Los Angeles San Clemente Island: un-named knoll ca 5500 ft. S of Wilson Cove Settlement; westerly slope 2500 ft NW of the 750' BM 186 Comment
  UC284782  Malacothrix foliosa P. A. Munz 1923-4-9 6612 Los Angeles San Clemente Island; n end 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
  RSA584983  Malacothrix glabrata Timothy S. Ross 1993-5-16 7162 Los Angeles 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
  CAS-BOT-BC347917  Malacothrix saxatilis var. tenuifolia Lewis S. Rose 1960-8-28 60085 Los Angeles Santa Monica Mts., e. slope of Coldwater Canyon 335 Comment
  RSA188382  Malacothrix saxatilis var. tenuifolia R. F. Thorne, Percy C. Everett 1965-6-22 34866 Los Angeles Santa Catalina Island: Above pebbly beach S of Lookout Point. 30 Comment
  RSA587717  Malacothrix saxatilis var. tenuifolia Steven A. Junak, Mary C. Hochberg, H. L. Ferguson 1981-7-28 sci 13 Los Angeles San clemente Island, NW portion of island, at N end of beach at W Cove 5 Comment
  SBBG66178  Malacothrix saxatilis var. tenuifolia R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  SD69584  Malacothrix saxatilis var. tenuifolia Robert F. Thorne 1966-9-16 36725 Los Angeles Santa Catalina Island; Lookout Point southeast of Pebbly Beach. 45 Comment
  UC1069946  Malacothrix saxatilis var. tenuifolia A. D. Gifford 1934-5-16 245 Los Angeles mouth Escondido Canyon; Triunfo Pass Quad., mouth of Escondido Canyon Comment
  UC1536047  Malacothrix saxatilis var. tenuifolia Robert F. Thorne 1975-9-3 47373 Los Angeles near Blue Cavern Point; Santa Catalina Island 15 Comment
  RSA94954  Malacothrix saxatilis var. tenuifolia F. W. Peirson 1921-7-20 2118 Los Angeles San Gabriel River. 457 Comment
  RSA362402  Malacothrix sonchoides Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster Comment
  RSA386395  Malosma laurina M. B. Dunkle 1930-7-13 2431 Los Angeles Silver Canyon, Santa Catalina Island. Comment
  RSA602764  Malosma laurina L. C. Wheeler 1972-12-24 12799 Los Angeles San Gabriel Mountains: Las Flores Canyon. 823 Comment
  UCR274348  Malosma laurina Steven A. Junak 1999-7-15 SCa- 1022 Los Angeles California Islands, Santa Catalina Island. Just above SaltaVerde Beach 6 Comment
  RSA659679  Malva nicaeensis Chris White 1991-5-20 37 Los Angeles Point Fermin. Comment
  RSA670201  Malva parviflora Joseph M. Keefe 2001-3-16 31133 Los Angeles North crest of Poppy Peak, across street from 1622 Poppy Peak Drive; 0.8 mile southeast of The Eagle Rock, Pasadena, CA 91105. 305 Comment
  RSA226030  Malvella leprosa Robert F. Thorne, C. W. Tilforth 1971-6-29 40648 Los Angeles San Gabriel Mountains, Angeles National Forest: 1.6 mi. above Little Rock Dam near reservoir Campground 976 Comment
  UCD107547  Marah macrocarpa Gordon Pilone 1961-3-22 6 Los Angeles Wash area of Pomona College in Claremont. 365 Comment
  POM254551  Marah macrocarpa J. D. Laudermilk 1940-4-24 s.n. Los Angeles Indian Hill Blvd, Near Baseline Rd. Claremont. Comment
  RSA441008  Marah macrocarpa var. major F. H. Elmore 1939-2-19 422 Los Angeles San Clemente Island. Comment
  RSA409832  Marrubium vulgare M. B. Dunkle 1928-4-13 1874 Los Angeles Santa Catalina Island. Renton Mine Road. Comment
  CAS-BOT-BC348121  Matricaria discoidea Timothy S. Ross; Steve Boyd 1994-5-11 7799 Los Angeles Liebre Mountains. Atmore Meadows: between Liebre and Sawmill Mountains; streams draining southward to the North Fork of Fish Canyon 1325 Comment
  UCD134456  Matricaria discoidea Elizabeth Boncimino 1993-5-11 s.n. Los Angeles Walker Ranch, Newhall. 228 Comment
  RSA12393  Matricaria matricarioides C. B. Wolf 1934-4-11 5605 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
  CAS-BOT-BC422749  Meconella denticulata W. R. Ernst 1957-4-19 158 Los Angeles 0.4 miles south of Rincon Ranger Station, Highway 39, San Gabriel Canyon. Comment
  POM348025  Medicago polymorpha George B. Grant 1908-5-16 s.n. Los Angeles Garvanza Comment
  RSA624071  Medicago polymorpha L. C. Wheeler 1967-5-18 9648 Los Angeles San Gabriel Mountains: Placerita Canyon, vicinity of Oak of the Golden Dream. 478 Comment
  UCR108351  Medicago sativa L. C. Wheeler 1970-6-26 s.n. Los Angeles San Gabriel Mtns., San Gabriel Mountains, Mine Gulch Camp, East Fork San Gabriel River 1372 Comment
  RSA0097171  Melica imperfecta R. G. Swinney 2011-6-1 14972 Los Angeles San Gabriel Mountains: north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes'? 1207 Comment
  RSA578134  Melica imperfecta Timothy S. Ross 1993-5-13 7119 Los Angeles Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon 854 Comment
  RSA717866  Melica imperfecta R. G. Swinney 1997-4-25 5509 Los Angeles At peak of Iron Mountain, 4-5 air miles NW of Mt. Baldy village. 2405 Comment
  UCD88019  Melica imperfecta F. M. Reed 1925-5-18 5134 Los Angeles La Canada. 396 Comment
  UCR87376  Melica imperfecta R. G. Swinney 1994-5-7 2837 Los Angeles San Gabriel Mtns, Glendora Wilderness Park, 0.4-0.6 mi north of Big Dalton Canyon Road on Mystic Canyon Trail 488 Comment
  SEINET10860821  Melica imperfecta Unknown Anonymous 1220 Los Angeles Ballona Harbor. Comment
  RSA652197  Melilotus albus Serge Krepenko 1948-1-24 s.n. Los Angeles 4 m. S/E of San Fernando. 396 Comment
  UCR216914  Melilotus indicus R. G. Swinney 2009-3-16 10120 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
  POM348190  Melilotus indicus Glenn A. Gorelick 1966-4-4 s.n. Los Angeles In narrow waste area bordering a storm drain, Roxbury Dr. and Mote Mr Dr. Comment
  UCR139953  Melinis repens L. C. Wheeler 1945-1-28 5996 Los Angeles San Gabriel Valley, 200 E Dartmouth Ave., La Verne Comment
  SD69379  Mentha spicata Robert F. Thorne 1966-9-14 36637 Los Angeles Santa Catalina Island; shallow water of small stream in lower Middle Ranch Canyon ca. 3/4 mi. above Ben Weston Beach. 174 Comment
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Apr 3 2012
  SD113282  Mentzelia affinis D. F. Howe 1959-5-3 2716 Los Angeles 15 miles west of Lancaster Comment
  RSA314595  Mentzelia albicaulis Robert F. Thorne, C. W. Tilforth 1973-4-20 43019 Los Angeles San Gabriel Mts., Mojave Desert Slope: 1 mi N of Bob's Gap, 3.2 mi S of Llano, N slope of Holcomb Ridge 1143 Comment
  RSA729600  Mentzelia congesta R. G. Swinney 1998-7-10 6383 Los Angeles San Gabriel Mtns.: SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2. 2250 Comment
  SBBG69245  Mentzelia dispersa R. Hoffmann 1927-6-14 Los Angeles Pine Cyn Comment
  UCR99498  Mentzelia dispersa Steve Boyd, Lauren Raz 1997-5-20 9814 Los Angeles Transverse Range; Liebre Mountains, Northern flank of Sawmill Mtn., upper Heryford Canyon drainage, just NE of Sawmill Summit at the junction of F.S. Roads 7N23 & 7N08 1585 Comment
  RSA446899  Mentzelia gracilenta N. C. Cooper 1948-4-21 2711 Los Angeles Saugus. 762 Comment
  UCR141810  Mentzelia laevicaulis June Latting 1978-9-16 s.n. Los Angeles San Gabriel Mountains, Whitethorn Spring [presumed near former Whitethorn Campground] on the Angeles Crest Highway 2317 Comment
  UC1870306  Mentzelia micrantha LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1042 Los Angeles [Transverse Ranges; Verdugo Mountains region]; South side of mountains: Brand Canyon, below the large waterfall, where the canyon forks off. Near 34.19205N, 118.26961 393 Comment
  RSA446790  Mentzelia montana Bonnie C. Templeton 1933-5-16 5132 Los Angeles West Blue Ridge, Big Pines Park, San Gabriel Mts. 2195 Comment
  UC420646  Mentzelia veatchiana Katharine Brandegee Los Angeles Saugus Comment
  RSA173997  Mentzelia veatchiana Robert F. Thorne 1963-5-15 31669 Los Angeles 1 mile W of Los Angeles Co. line on Route 138, ca. 2 miles W of Desert Springs 1220 Comment
  RSA0082908  Mesembryanthemum crystallinum Michael J. Moore, Hilda Flores Olvera, Helga Ochoterena, Ya Yang, Tommy Stoughton 2015-5-30 3128 Los Angeles Abalone Cove Reserve, Palos Verdes Nature Preserve. Along path leading to ocean. 16 Comment
  UCR186878  Microseris douglasii A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-14 32077 Los Angeles Transverse Range; Liebre Mtns. Region, 3/4 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 976 Comment
  IRVC26342  Microseris heterocarpa A. C. Sanders 2003-4-16 26021 Los Angeles Newhall Ranch, under powerlines south of Magic Mountain Parkway, near I-5 and new golf course NE end of Santa Susana Mtns. 366 Comment
  RSA533937  Microseris heterocarpa Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5224 a Los Angeles San Clemente Island. South-east end of island in the vicinity of Knob, 5100 feet NW of Guds. Slope about 250 feet SSE of Knob, approaching Knob Canyon 282 Comment
  RSA631076  Microseris heterocarpa L. C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mountains: Placerita Canyon. Comment
  RSA592218  Microseris lindleyi L. C. Wheeler 1967-5-12 9468 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1066 Comment
  RSA311428  Microsteris gracilis Michael C. Long, D. W. Foster 1974-4-21 s.n. Los Angeles Devil's Punchbowl Co. Park, Holcomb Canyon. 1280 Comment
  UCR205616  Mimulus R. G. Swinney 2008-5-12 8832 Los Angeles San Gabriel Mtns., east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  POM305930  Mimulus aurantiacus Henry J. Ramsey, Henry J. Ramsey 1938-5-1 1218 Los Angeles Altadena, Eaton Canyon Park Comment
  IRVC26935  Mimulus aurantiacus var. pubescens A. C. Sanders 2003-4-28 26086 Los Angeles Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon Western San Gabriel Mtns. 427 Comment
  RSA738054  Mimulus brevipes Naheel Jeireli s.n. Los Angeles San Rafael Hills 213 Comment
  UCSB10256  Mimulus brevipes Nowell, J. 1958-5-16 Los Angeles Mint Canyon 91/2 mi from Solemint on Hwy 6 Comment
  RSA580094B  Mimulus cardinalis Tim S. Ross, S. D. Boyd, Steve Burns 1994-7-6 8117 B Los Angeles Tributary of Clearwater Canyon: fork area of major blueline tributary which drains southward form Tule Ridge and joins Clearwater Canyon at Plum Spring. (section not demarcated on my map). 814 Comment
  UCR259654  Mimulus cardinalis R. G. Swinney 2010-9-1 13669 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Creek, under the overpass of the I-210 Fwy. and on either side, south of W. Tujunga Valley St. 338 Comment
  RSA600138  Mimulus constrictus Steve Boyd, Lauren Raz 1997-5-29 9919 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail, at point where trail crosses side drainage originating on ridge forming divide with Gookins Dry Lake. 1098 Comment
  RSA435505  Mimulus floribundus Wm. Martin 1971-7-26 s.n. Los Angeles Big Tujunga wash, north and east of Sunland. Comment
  UCR270930  Mimulus floribundus R. G. Swinney 2011-5-26 14884 Los Angeles San Gabriel Mountains, 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1073 Comment
  RSA588089  Mimulus floribundus Orlando Mistretta 1994-5-25 1259 Los Angeles Little Rock Creek, near confluence of Little Rock Creek and S Fork of Little Rock Creek. 1280 Comment
  RSA587514  Mimulus fremontii var. fremontii Orlando Mistretta 1995-3-24 1557 A Los Angeles San Gabriel Mountains: Carr Canyon. 1067 Comment
  RSA442759  Mimulus guttatus Freda Detmers 1928-4-22 s.n. Los Angeles Los Angeles. Comment
  RSA650914  Mimulus guttatus Matt Bogdanoff 1981-5-24 14 Los Angeles Big Dalton Cyn. Rd., 0.7 mi E of junction with Glendora Mtn. Rd., N of Glendora. 396 Comment
  UCR177253  Mimulus guttatus LeRoy Gross, Michael Denslow, B. Hogshead, Sarah Swartzentruber 2003-6-17 1038 Los Angeles Transverse Ranges; Verdugo Mountains region, South side of mountains, Brand Canyon, at check dam ( man-made waterfall), where the canyon forks 393 Comment
  UCR271202  Mimulus guttatus R. G. Swinney 2011-11-1 15974 Los Angeles San Gabriel Mountains, West Fork San Gabriel River Scenic Bikeway, 2.3 miles below (downstream) from Glen Campground, 0.68 miles downstream from Pasadena Bait Club, along FS Rd 2N25 561 Comment
  RSA797956  Mimulus guttatus E. A. Purer 1935-5-11 6575 Los Angeles Malibu Road, [Santa Monica Mountains] Comment
  UCSB28894  Mimulus guttatus Miller, Brian 1963-4-17 Los Angeles Whittier Narrows; San Gabriel River 137 Comment
  HSC90940  Mimulus johnstonii D. M. Thompson 1986-6-7 494 Los Angeles 3.0 mi. SE of Valyermo-Big Pines road along Big Rock Creek Rd., NE side of road 1390 Comment
  JEPS4690  Mimulus johnstonii Frank W. Peirson 1919-6-13 480 Los Angeles San Gabriel Mountains, Rock Creek Rock Creek; San Gabriel Mountains, Rock Creek 1295 Comment
  RSA421059  Mimulus johnstonii Robert Kessler 1921-7-4 3445 Los Angeles San Gabriel Mountains Comment
  CDA41673  Mimulus longiflorus A. C. Sanders 2003-6-18 26950 Los Angeles Santa Susana Mountains, Western Transverse Range: around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon. Comment
  RSA238261  Mimulus moschatus Robert F. Thorne 1969-7-2 38316 Los Angeles San Gabriel Mts., Angeles National Forest: Moist area about spring 1 mile SW of Kratka Ridge along Angeles Crest Hwy. 2073 Comment
  UCR124481  Mimulus moschatus B. C. Templeton 1932-7-20 5004 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  RSA747856  Minuartia douglasii Scott D. White, Justin M. Wood 2009-5-6 12662 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  RSA632861  Minuartia nuttallii subsp. gracilis R. F. Thorne, Robert Frampton 1971-6-27 40981 Los Angeles San Gabriel Mountains: Angeles National Forest, West Baldy Peak. 3013 Comment
  SBBG108943  Mirabilis californica S. A. Junak 1997-2-25 SCl 727 Los Angeles just S of Benchmark 516 and Camera Pad "Bud 3" 152 Comment
  SBBG17879  Mirabilis californica P. H. Raven 1962-4-9 17174 Los Angeles Wilson Cove 60 Comment
  RSA536052  Mirabilis laevis Tim S. Ross 1991-5-21 5404 Los Angeles San Clemente Island: ridgetop of the 'armpit' where the two upper forks of Box Canyon join together 457 Comment
  RSA464648  Mirabilis laevis var. crassifolia Fay A. MacFadden 1931-3-16 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  UC1587157  Mirabilis laevis var. crassifolia Tim Ross 1991-5-21 5404 Los Angeles e fork of Box Canyon (near its junction with the w fork); San Clemente Island 1463 Comment
  UC1971503  Mirabilis laevis var. crassifolia Katharine Brandegee Los Angeles Catalina Island Comment
  CAS-BOT-BC434636  Mirabilis laevis var. crassifolia Geo. B. Grant 1901-9-1 s.n. Los Angeles Redondo - bluff near sea. Comment
  RSA0009892  Mirabilis laevis var. crassifolia Marcus E. Jones 1882-2-25 3020 Los Angeles Pasadena. Comment
  UCR186413  Mirabilis multiflora T. B. Salvato, H. Spencer Badet, Mitch Provance 2007-4-26 2080 Los Angeles Tehachapi Mountains Foothills/Western Antelope Valley, outwash plain below Bronco Canyon, c. 4 mi N of Hwy 138 965 Comment
  RSA747388  Modiola caroliniana A. C. Sanders, T. B. Salvato 2009-5-20 36883 Los Angeles San Gabriel Valley: Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. ( Hwy 19) and west of Santa Anita Ave. 66 Comment
  RSA757711  Monardella australis R. G. Swinney 2008-6-18 9071 Los Angeles south of Juniper Hills, Burkhart Trail 0.7 miles WNW of Burkhart Saddle, junction of trail and W Fork of Cruthers Creek. 2012 Comment
  UC2035986  Monardella breweri C. Epling 1937-5-9 Los Angeles Neenach, Antelope Valley Comment
  CAS-BOT-BC219890  Monardella breweri subsp. breweri Ernest Braunton 1903-6-1 897 Los Angeles Glendale to Burbank Comment
  POM220097  Monardella viridis subsp. saxicola Louis C. Wheeler 1932-6-27 880 Los Angeles 200 yards NNE San Dimas Canyon Dam near the road, San Gabriel Mtns. 427 Comment
  UCR274954  Monolopia lanceolata Michael Honer, Rachel Woodard 2006-4-12 2181 Los Angeles Tehachapi Mountains area, Hills above Oso Cyn.; c. 1.5 miles NNW of Quail Lake, 2 miles west of cement plant rd. 1128 Comment
  UC72687  Mucronea californica Geo. B. Grant 1901-1 173 Los Angeles Arcadia Comment
  RSA593588  Muhlenbergia asperifolia Steve Boyd, Orlando Mistretta, Valerie Soza 1996-6-12 8836 Los Angeles Liebre Mountains, Castaic Creek drainage upstream from confluence of Fish Canyon 549 Comment
  RSA0022981  Muhlenbergia californica Duncan S. Bell, Caitlin Elam 2013-8-1 5570 Los Angeles Sheep Mountain Wilderness; south side of Prairie Fork; Pine Mountain Ridge; above Lupine Campground area and below Columbine Spring. 2031 Comment
  CAS-BOT-BC275282  Muhlenbergia microsperma John Thomas Howell 1928-2-9 3339 Los Angeles On trail between Sierra Madre and Santa Anita Canon, San Gabriel Mountains Comment
  CAS-BOT-BC275308  Muhlenbergia microsperma Geo. B. Grant 1900-3-1 2384 Los Angeles Los Angeles, on Catalina Island Comment
  RSA762367  Muhlenbergia microsperma R. G. Swinney 2009-3-12 10104 Los Angeles Azusa, mouth of San Gabriel River Canyon, 0.7 mi. north of Sierra Madre Ave. on north side of Hwy 39 226 Comment
  RSA0127985  Muilla coronata Kevin Cornell 2017-3-27 s.n. Los Angeles Lebata Mine to the northeast of the city of Pearblossom. 868 Comment
  UCR264440  Muilla coronata John F. Green 2008-3-26 308- 12 Los Angeles Western Mojave Desert, SE of Lancaster and north of Palmdale, 0.75 mi. long strip along both sides of 15th St. East, between Ave. M and Ave. M-12, east of Sierra Hwy and north of Palmdale Regional Airport 762 Comment
  UCR282021  Muilla maritima R. G. Swinney 2014-5-1 16316 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, east end of Holcomb Ridge, 2.2 road miles east of jct. of Bob's Gap Rd. and Panorama Rd., from base of ridge at Panorama Rd. to high point at 4519 ft. 1378 Comment
  RSA377618  Muilla maritima Richard C. Barkelew 1929-5-5 s.n. Los Angeles sandy flats, lowlands Comment
  RSA0062652  Myosotis micrantha Peter Gail 1961-5-30 s.n. Los Angeles 58 Palm Drive. Comment
  RSA733154  Myriophyllum R. G. Swinney 1997-6-19 5610 -A Los Angeles San Gabriel Mtns.: SE end of Jackson Lake, west of Wrightwood 1872 Comment
  UCR190344  Nama demissa R. G. Swinney 2001-4-18 7919 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  RSA187826  Nassella cernua R. F. Thorne 1966-4-28 36251 Los Angeles Santa Catalina Island: Hay Press area. 427 Comment
  RSA524186  Nassella cernua Timothy S. Ross, Steve Boyd 1990-6-6 2863 Los Angeles Piru Pond: Los Padres National Forest. (admin. by Angeles N.F.) 645 Comment
  RSA702538  Nassella cernua Scott D. White 2004-5-5 10285 Los Angeles Bald Mtn. area, west of Old Ridge Route. 1280 Comment
  RSA0107267  Nassella cernua Steven A. Junak, Mark Hoefs, Keri Kirkland 1998-4-5 SCa- 548 Los Angeles Santa Catalina Island. Just N of road to Toyon Bay, 1.1 road miles from intersection with Airport Road. 317 Comment
  CAS-BOT-BC259914  Nassella lepida Dr. H. E. Hasse 1888-5-1 s.n. Los Angeles Ostrich Farm 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
  SBBG119348  Nassella lepida V. Soza with L. Gross 2001-5-14 1214 Los Angeles above Santa Anita Cyn, ca. 0.7 mi W of the Santa Anita Dam; T1N R11W S9, E/2, SE/4 762 Comment
  SBBG128763  Nassella lepida M. L. Hoefs 1995-5-23 2073 Los Angeles Middle Cyn near jct of Middle Cyn Rd and rd to Camp Cactus 118 Comment
  UC1133207  Nassella pulchra H. A. Jensen 1933-4-10 289 Los Angeles Hollywood Lake Santa Monica Quadrangle Comment
  RSA651166  Nasturtium officinale Marion P. Harthill 1971-5-11 182 Los Angeles San Antonio Canyon. Comment
  POM357  Nasturtium officinale E. M. Johnstone 1909-1 s.n. Los Angeles Claremont. 365 Comment
  RSA0127214  Nasturtium officinale Louis C. Wheeler 1967-7-18 10075 Los Angeles Gold Creek, Watts Ranch (off Little Tujunga Canyon) at Center Creek. 640 Comment
  RSA555452  Navarretia atractyloides R. F. Thorne 1966-4-29 36308 Los Angeles Catalina Island. Along Airport Road before turn-off to Middle Ranch Canyon. 457 Comment
  UC1075815  Navarretia atractyloides E. K. Balls 1955-6-23 20792 Los Angeles Botanic Garden site Claremont 335 Comment
  UCR206133  Navarretia hamata A. C. Sanders, T. B. Salvato 2009-5-29 37053 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  RSA73130  Navarretia hamata subsp. hamata F. W. Peirson 1917-5-14 949 Los Angeles San Gabriel River was at foothill Boulevard Comment
  UCR205292  Nemacladus gracilis Valerie Soza, Naomi Fraga, Aydee Virgen 2003-6-16 1683 Los Angeles Transverse Ranges; San Gabriel Mountains region, Western extension of Waterman Mountain, along Waterman Mountain trail 10W04 from c. 0.75 to 2.5 miles ESE from Three Points trailhead 2104 Comment
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Jun 12 2015
  JEPS78510  Nemacladus pinnatifidus Frank W. Peirson 1918-6-12 219 Los Angeles foothills e Rubio Canyon; San Gabriel Mountains 609 Comment
  RSA75129  Nemacladus pinnatifidus F. W. Peirson 1918-6-12 219 Los Angeles In area recently burned over, in hills east of Rubio Canyon, San Gabriel Mts. 548 Comment
  UCR269587  Nemacladus sigmoideus R. G. Swinney 2011-6-29 15360 Los Angeles San Gabriel Mountains, Mill Creek, from 50 to 300 meters downstream (south) from Monte Cristo Campground 1082 Comment
  RSA643155  Nemacladus sigmoideus Orlando Mistretta 1994-04 s.n. Los Angeles San Gabriel Mountains: Little Rock Creek Management Unit. Comment
  SD87770  Nemacladus sigmoideus Frank W. Peirson 1927-5-7 7265 Los Angeles 4.0 miles east of Lancaster. Comment
  POM3611  Nemophila menziesii var. integrifolia O. W. Robinson 1916-3-10 s.n. Los Angeles East of Greek Theater. Claremont. Comment
  SD253470  Nemophila spatulata R. G. Swinney 2011-5-19 14774 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 miles SSE of junction of Colby Ranch Road and FS Road 3N19, upper Big Tujunga Canyon, south side of Coldwater Canyon creek (Chilao Flat 7.5'Q) 1073 Comment
  UCR61066  Nerium oleander R. G. Swinney 1989-7-14 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, in Big Dalton Canyon and its tributaries. Harrow Canyon at the third debris basin 442 Comment
  RSA427041  Nicandra physalodes Ducelia Cobb 1937-7-16 19719 Los Angeles North Long Beach Comment
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Jun 10 2012
  RSA626983  Nicotiana attenuata Louis C. Wheeler 1973-7-15 s.n. Los Angeles Doe Flat; Graveyard Canyon. Comment
  RSA172328  Nicotiana glauca Robert F. Thorne, James Henrickson 1963-5-5 32276 Los Angeles Cobal Canyon, Foothills of San Gabriel Mts., 4 miles N of Claremont 518 Comment
  RSA570012  Nicotiana glauca Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4936 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity. 492 Comment
  UC7443  Nitrophila occidentalis J. Burtt Davy May 9 1896-May 24 1896 2249 Los Angeles margin of Dry Lake Antelope Valley Comment
  CAS-BOT-BC167057  Oenothera californica Timothy S. Ross; Steve Boyd 1994-5-4 7617 Los Angeles San Francisquito Canyon: Headwaters of the canyon, NE of Green Valley; ca 600 m SW of summit of grade; ca 2460 m ESE of Grass Mtn summit 1075 Comment
  RSA699495  Oenothera dentata Seacord s.n. Los Angeles West Mojave. Comment
  RSA703841  Oenothera elata A. C. Sanders, Mark A. Elvin 2002-6-20 25239 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
  UC1007097  Oenothera glazioviana P. A. Munz 1937-7-5 14694 Los Angeles Claremont Comment
  SEINET6041914  Olea europaea Unknown 1969-2-16 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  SEINET10732290  Opuntia X occidentalis John Milton Bigelow 1854-3-19 Bigelow s.n. Los Angeles near Los Angeles, Calif. Comment
  CAS-BOT-BC56819  Opuntia basilaris var. basilaris W. R. Dudley; F. H. Lamb 1896-6-7 4344 Los Angeles Field redacted by CAS, contact the data manager for more information Comment
  POM214684  Opuntia littoralis F. R. Fosberg 1932-7-15 8613 Los Angeles Laurel Canyon, Santa Monica Mountains. Comment
  POM317741  Opuntia littoralis David Walkington 1963-6-25 193 Los Angeles Ca 50 yards N of Puddingstone rd on Casa de Carrion homestead, west of house. 305 Comment
  POM285339B  Opuntia vaseyi Lyman Benson 1955-9-3 15591 Los Angeles Wash at Gladstone Ave Bridge west of San Dimas. 244 Comment
  RSA0106840  Orobanche fasciculata Richard G. Swinney 2011-5-10 14636 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. 616 Comment
  JEPS81485  Orobanche fasciculata R. Mitchel Beauchamp 1982-8-22 Los Angeles on cliff above beach at mouth of canyon below Nanny camera pad site 6 Comment
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Dec 25 2010
  RSA80343  Orthocarpus densiflorus var. gracilis F. W. Peirson 1164 Los Angeles Garvanza. Comment
  RSA402060A  Orthocarpus purpurascens Louis C. Wheeler 1933-4-27 1659 Los Angeles San Pedro Hills: NW base. 38 Comment
  POM12329  Orthocarpus purpurascens var. pallidus F. L. Robinson 1921-5-18 80 Los Angeles Claremont. Comment
  RSA656847  Osmorhiza berteroi Valerie L. Soza, Laura Moore 2000-6-14 1018 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
  RSA458986  Osmorhiza brachypoda Ella M. Kennedy 1923-3-12 s.n. Los Angeles Arroyo Seco Comment
  SD39354  Oxalis corniculata Edith A. Purer 1931-2-11 70 Los Angeles Griffith Park Comment
  RSA611069  Oxalis corniculata Louis C. Wheeler 1970-5-31 s.n. Los Angeles Los Angeles: NW corner of Pico and Figueroa streets. Comment
  POM353464  Oxalis pes-caprae Charles F. Seymour 1902-3-4 s.n. Los Angeles 150 W. Pico St. Comment
  RSA230696  Oxytheca parishii var. parishii Robert F. Thorne, M. Z. Thorne 1969-7-10 38425 Los Angeles San Gabriel Mts; Angeles National Forest; south of Wrightwood-Big Pines Hwy, c. 1.5 miles W of Wrightwood, Swarthout Valley 1951 Comment
  RSA392903  Oxytheca parishii var. parishii Bonnie C. Templeton 1932-8-25 5098 Los Angeles Big Rock Creek, San Gabriel Mts. 1905 Comment
  POM50149  Paeonia californica L. R. Abrams 1901-04 1265 Los Angeles Santa Monica Mountains Comment
  RSA594554  Panicum capillare F. R. Fosberg, Joseph A. Ewan 1931-8-11 782 Los Angeles Crystal Lake: north fork of San Gabriel Canyon 1600 Comment
  POM367112  Parapholis incurva Anstruther Davidson 1890-06 s.n. Los Angeles San Pedro Comment
  CAS-BOT-BC403918  Parietaria hespera Tim Ross; Steve Boyd; Laurel Arnseth 1990-4-8 4297 Los Angeles San Clemente Island. E side of island, near Malo Point, first cyn S of Bryce Cyn. Comment
  SBBG98708  Parietaria hespera var. californica T. Ross 1991-5-19 5280 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
  SBBG119600  Parthenocissus vitacea A. C. Sanders, M. A. Elvin 2002-8-26 25588 Los Angeles Newhall Ranch, small spring at S edge of Santa Clara River Valley,SE of trailer park at Castaic Crk, downstream of large spring near "Airport Mesa" 305 Comment
  SBBG128065  Paspalum dilatatum M. L. Hoefs, S. A. Junak 1996-7-9 2720 Los Angeles Middle Ranch Reservoir, Middle Cyn 201 Comment
  SEINET10681754  Passiflora foetida S. Krosnick 2009-3-19 Krosnick 351 Los Angeles In cultivation at RSABG greenhouses. Material obtained from Joan Leonard at the Ohio State University Plant Biology Greenhouses. Research supported by NSF DEB Award #0717151. Comment
  SEINET10625544  Passiflora morifolia S. Krosnick 2009-3-19 Krosnick 578 -A Los Angeles In cultivation at RSABG greenhouses. Material obtained from Nong Nooch Tropical Botanical Garden in Pattaya, Thailand. Collected originally by Krosnick as SK 311. Material was given to NNTBG (#03-946) by C. Laurens Comment
  UCR178856  Pectocarya anisocarpa LeRoy Gross 2003-3-7 756 Los Angeles Transverse Ranges, Verdugo Mountains, northwest side. Verdugo Crestline Dr. (fire road) just north of the 210 freeway. Sunland, off of Newhome Avenue, near west side at Topley Lane 555 Comment
  RSA708521  Pectocarya linearis Scott D. White, Brian Leatherman 2005-3-18 10792 Los Angeles City of Glendora, South Hills, just north of the I-210 Freeway. Ca. 0.3 air mi ENE of the I-210 / Sunflower intersection. 305 Comment
  UC1870148  Pectocarya penicillata LeRoy Gross, Valerie Soza 2003-5-15 915 Los Angeles Transverse Ranges; Verdugo Mountains region: Northwest side of mountains: North of La Tuna Canyon road, started at end of Elben Ave. Climbed north to ridgetop, south of McDonald Creek, then east along ridgeline, then we came back down into a small canyon 366 Comment
  UC1595471  Pectocarya recurvata Tim Ross 1992-4-4 6094 Los Angeles sw Mojave Desert, Adobe Mountain 926 Comment
  UCD120194  Pectocarya setosa A. C. Sanders 2003-4-29 26166 Los Angeles Western San Gabriel Mtns. Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 396 Comment
  UCR223078  Pectocarya setosa R. G. Swinney 2009-5-13 10779 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
  CAS-BOT-BC67714  Pellaea andromedifolia Minnie Reed 1896-4-2 s.n. Los Angeles Pomona Comment
  UCR270541  Pellaea andromedifolia R. G. Swinney 2010-4-13 12194 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  RSA526157  Pellaea andromedifolia Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-6 4151 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  RSA686723  Pellaea andromedifolia M. Bisbee 1917-5-3 s.n. Los Angeles N side Eagle Rock Valley Comment
  RSA624056  Pellaea andromedifolia var. andromedifolia L. C. Wheeler 1967-5-23 9685 Los Angeles Near mouth of Bear Canyon, off Soledad Canyon 579 Comment
  RSA686905  Pellaea mucronata F. R. Fosberg 1931-4-22 R 92 Los Angeles Santa Catalina Island. Eagle's Nest, Middle Ranch Canyon. 200 Comment
  UCR209882  Pellaea mucronata R. G. Swinney 2008-7-16 9255 Los Angeles San Gabriel Mtns., Will Thrall Peak, west of Burkhart Saddle 2392 Comment
  RSA133468  Pellaea mucronata var. mucronata P. H. Raven, Henry J. Thompson 1959-4-3 13912 Los Angeles Las Flores Canyon 3.8 miles north of Coast Highway. 549 Comment
  IRVC26646  Pennisetum clandestinum L. C. Wheeler 1966-10-25 9086 Los Angeles El Encanto, San Gabriel Canyon San Gabriel Mtns. Comment
  UCSB45224  Pennisetum setaceum Batson, J. 1979-5-12 Los Angeles Highway 1 at its junction with Highway 23 near Malibu 22 Comment
  UCR270205  Penstemon centranthifolius R. G. Swinney 2011-7-7 15434 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
  PASA867  Penstemon cordifolius Sally Ellis 1939-5-12 Los Angeles San Dimas canyon Comment
  RSA293434  Penstemon grinnellii subsp. grinnellii Reino Alava, R. C. Bacigalupi 1958-7-21 2218 Los Angeles Along forest service road. Canyon of the South Fork of Little Rock Creek, Angeles National Forest. On gravel road of berm along northwestern shoulder of Mt. Islip; watershed of South Fork of Big Rock Creek. 2165 Comment
  RSA741  Penstemon heterophyllus J. T. Howell 1928-6-29 1015 Los Angeles Near Seminole Hot Springs. Santa Monica Mountains 305 Comment
  UC1595306  Penstemon spectabilis Tim Ross 1992-4-27 6241 Los Angeles s side of mesa sw RSA grounds; Ontario USGS 7.5' quadrangle, Claremont, Indian Hill Mesa 393 Comment
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May 27 2008
  RSA68350  Penstemon spectabilis Verne Grant, Alva Grant 1951-3-23 15973 Los Angeles gravelly soil of wash north of Claremont, along Mills Ave. 518 Comment
  RSA660104  Penstemon spectabilis subsp. subviscosus Orlando Mistretta 1992-6-12 565 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  SFV14649  Pentagramma triangularis J. C. Dittes, C. Williams 1989-4-29 3 Los Angeles San Gabriel Mountains Upper Big Tujunga River (Wikiup), 0.25 miles downstream from bridge to Camp Colby. 915 Comment
  CAS-BOT-BC71668  Pentagramma triangularis subsp. triangularis Le Roy Abrams 1999-3-11 s.n. Los Angeles Millards Canyon Comment
  LA94195  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-12 1691 Los Angeles SANTA MONICA MOUNTAINS, Lobo Canyon, ca 1 mi W of Triunfo Canyon Rd. 304 Comment
  UCSB62244  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-8-28 Los Angeles San Gabriel Mtns., vicinity of Mt. Gleason, Moody Cyn. Rd., ca. 3 miles down from Mt. Gleason Rd. 1463 Comment
  UCR238985  Perideridia pringlei Anuja Parikh, Nathan Gale 2010-5-25 3219 Los Angeles Western Transverse Range; East Liebre Mountains, Sierra Pelona, 5.4 km west of State Hwy 14, 2.0 km southwest of California Aqueduct 1134 Comment
  CAS-BOT-BC73730  Peritoma arborea var. globosa Reid Moran 1941-3-2 668 Los Angeles Santa Catalina Island - south of Wilson's Harbor 25 Comment
  CAS-BOT-BC355967  Perityle emoryi Geo. B. Grant 1900-3-29 s.n. Los Angeles Avalon Comment
  CAS-BOT-BC355972  Perityle emoryi Carl B. Wolf 1932-5-9 3436 Los Angeles Santa Catalina Island. 1/2 mi. from Avalon on road to Pebbly Beach 7 Comment
  SEINET187039  Perityle emoryi F. R. Fosberg 1931-4-3 S 4463 Los Angeles Pebble Beach Road Santa Catalina Island. 5 Comment
  UC990949  Perityle emoryi D. F. Howe 1947-3-22 Los Angeles Santa Monica Comment
  RSA423793  Petunia hybrida James M. Clisbe 1930-5-2 16056 Los Angeles Laurel Canyon. Comment
  NY5894  Phaca davidsonii A. Davidson 1893-5-12 4 Los Angeles Lancaster. Comment
  CHSC3681  Phacelia Mary MacArthur 1966-5-26 28 Los Angeles San Gabriel Mts. Switzers Camp. 914 Comment
  UCR19651  Phacelia brachyloba H. J. Thompson 1960-5-14 3060 Los Angeles Western Transverse Range; Santa Monica Mtns., 1 mi. east of Saddle Peak 732 Comment
  PASA1371  Phacelia californica var. bernardina Sally Ellis 1940-4-16 Los Angeles Claremont Comment
  POM6740  Phacelia cicutaria var. hispida P. A. Munz, Street, Williams 1919-4-19 2482 Los Angeles Lone Hill, San Dimas. Comment
  RSA167644  Phacelia cicutaria var. hispida Peter H. Raven, Robert F. Thorne 1964-5-7 19010 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  RSA188122  Phacelia cicutaria var. hispida Robert F. Thorne, P. Everett 1965-6-22 34852 Los Angeles Santa Catalina Island: Renton Mine area. 244 Comment
  RSA427649A  Phacelia cicutaria var. hispida George B. Grant 1904-06 s.n. Los Angeles Pasadena. Comment
  RSA752478  Phacelia cicutaria var. hispida Justin M. Wood 2009-4-22 528 Los Angeles City of San Dimas, Sycamore Canyon, Falcon Ridge Ranch. 412 Comment
  UC881136  Phacelia cicutaria var. hispida Ira W. Clokey, B. Templeton Apr. 1929 4521 Los Angeles Mandeville Canyon Santa Monica Mountains (hills) 200 Comment
  UCR255506  Phacelia cicutaria var. hispida Dan S. Cooper 2014-6-4 614- 17 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Hollywood Reservoir, eastern edge of perimeter road/Canyon Lake Dr. 233 Comment
  RSA427657  Phacelia cicutaria var. hispida Fordyce Grinnell Jr. 1910-04 s.n. Los Angeles San Rafael Hills, Pasadena. Comment
  JEPS8605  Phacelia davidsonii Rimo Bacigalupi with G. T. Robbins and L. R. Heckard 1953-6-14 4182 Los Angeles junction of road to Horse Flat Public Camp and main (paved) road from Upper Chilao Recreation Area; San Gabriel Mountains, Angeles National Forest 1828 Comment
  RSA585316  Phacelia davidsonii Tim S. Ross 1991-4-27 4649 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (and hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line. 1183 Comment
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Dec 31 2018
  RSA704206  Phacelia davidsonii Naomi S. Fraga, Sarah J. De Groot 2004-5-25 1222 Los Angeles Trail from Mount Baldy Village to the summit of Mount Baldy. 2348 Comment
  SD38330  Phacelia davidsonii J. McCulloch 1931-5-4 2065 A Los Angeles San Gabriel Range Comment
  RSA426235  Phacelia distans George B. Grant 1905-4-26 s.n. Los Angeles Garvanza. Comment
  RSA151248  Phacelia floribunda Peter H. Raven 1962-7-12 18037 Los Angeles West end of Northwest Harbor; San Clemente Island. 15 Comment
  SBBG108908  Phacelia floribunda S. A. Junak 1997-3-11 SCl 744 Los Angeles Sibara Ridge overlooking Pyramid Cove, ca. 0.25 mi S of Triangulation Pt Guds 164 Comment
  RSA611346  Phacelia fremontii Steve Boyd 1998-4-1 10136 Los Angeles Mojave Desert: Antelope Valley, along Highway 138 (West Avenue D), ca. 1.8 miles west of the junction with Highway 14, ca. 4 miles southwest of Rosamond Dry Lake. 701 Comment
  RSA426055  Phacelia fremontii Albert J. Perkins 1925-4-8 s.n. Los Angeles Alder Creek 2 mi. E Loonies Ranch. Comment
  RSA75353  Phacelia fremontii F. W. Peirson 1926-4-26 6651 Los Angeles Foot of grade north of Vincent on Palmdale road. Comment
  SBBG64951  Phacelia grandiflora M. N. Ackley 1927-5-29 Los Angeles Mulholland Drive 548 Comment
  UCR190545  Phacelia grandiflora R. G. Swinney 2000-6-19 7862 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  RSA584493  Phacelia imbricata subsp. imbricata Tim S. Ross 1992-5-24 6417 b Los Angeles Brown s Gulch: Draining to San Gabriel Canyon at base of San Gabriel Dam. 464 Comment
  JEPS2172  Phacelia imbricata subsp. patula F. W. Peirson 1918-6-1 164 Los Angeles Eaton Canyon San Gabriel Mts. 670 Comment
  UCR147540  Phacelia longipes Naomi Fraga, Et al. 2004-5-20 1200 Los Angeles Transverse Ranges; San Gabriel Mountains, North Fork of Lytle Creek, on slopes along north side of the canyon, northeast of Paiute Campground 1921 Comment
  SD48925  Phacelia lyonii Reid Moran 1958-9-18 6849 Los Angeles San Clemente Island, 2 miles SE of Eel Point 74 Comment
  UC1177563  Phacelia lyonii Reid Moran 1958-9-18 6849 Los Angeles 2 mi se Eel Point; San Clemente Island 75 Comment
  POM3756  Phacelia minor P. A. Munz 1918-3-28 2002 Los Angeles Small canyon: 3 mi. N of Claremont, near Palmer s Canyon Comment
  RSA0038710  Phacelia minor R. G. Swinney 2010-3-22 12003 Los Angeles West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  UCD120571  Phacelia minor Daryl Koutnik; John Cuti 1978-4-12 338 Los Angeles Verdugo Mountains, south of La Tuna Canyon Road. 579 Comment
  UCR55856  Phacelia minor J. A. Adams 1963-4-30 12 Los Angeles Pomona College Wash, Claremont 335 Comment
  RSA0003854  Phacelia minor Marcus E. Jones 1882-2-27 3031 Los Angeles Pasadena. Comment
  JEPS14732  Phacelia parryi Rimo Bacigalupi with George W. Gillett 1954-3-13 4378 Los Angeles along US Hwy 101A 1/2 mi e Arroyo Sesquit crossing (bridge) (westernmost Los Angeles Co.); seaward base of Santa Monica Mountains Comment
  RSA207704  Phacelia tanacetifolia James Henrickson 1965-4-22 1973 b Los Angeles 3 miles S of Hi Vista, E of Saddle Back Butte. 915 Comment
  CAS-BOT-BC259055  Phalaris lemmonii G. B. Grant 1901-4-28 3839 Los Angeles The Palms near Los Angeles Comment
  UC50719  Phalaris lemmonii L. A. Greata Los Angeles The Palms Comment
  POM356923  Phalaris minor Grethe Moskedahl 1923-4-23 s.n. Los Angeles Downey. Comment
  UC205649  Phalaris minor S. B. Parish 1918-6-5 11865 Los Angeles Playa del Rey Comment
  SBBG113285  Phalaris paradoxa S. A. Junak with M. L. Hoefs 1997-6-4 SCa 423 Los Angeles S side of upper Buffalo Corral Reservoir 188 Comment
  UC196659  Phalaris paradoxa A. Davidson June 1916 3156 Los Angeles Boca Rancho Los Angeles Comment
  RSA435567  Pholisma arenarium Bonnie C. Templeton 1938-5-7 6324 Los Angeles Near Little Rock, Los Angeles county. Comment
  UC124543  Pholisma arenarium J. J. Rivers Dec. 1896 Los Angeles Santa Monica Comment
  RSA646989  Pholistoma auritum var. auritum LeRoy Gross, Michael Honer, Lel Lubinsky 2000-4-27 197 Los Angeles San Rafael Hills: South of Descanso Garden and north of the main ridge. 488 Comment
  RSA526064  Pholistoma racemosum Steve Boyd, Tim Ross, L. Arnseth 1990-4-6 4163 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  SBBG95204  Pholistoma racemosum M. B. Dunkle 1928-3-31 1773 Los Angeles Little Harbor Comment
  CAS-BOT-BC141146  Phoradendron serotinum subsp. macrophyllum Del Wiens 1958-12-10 2427 Los Angeles Cobal Canyon, N of Claremont 426 Comment
  UCR129937  Phoradendron villosum Orlando Mistretta 1994-4-29 1101 Los Angeles San Gabriel Mountains, Santiago Canyon, ridge on the W edge of Santiago Canyon watershed north of Forest Road 4N20 1372 Comment
  RSA683985  Phyllospadix torreyi E. Yale Dawson 1948-12-1 5695 Los Angeles Santa Catalina Island. On SE side of Catalina Harbor, at the isthmus. Comment
  RSA660989  Pickeringia montana var. montana LeRoy Gross 2001-5-28 411 Los Angeles Verdugo Mountains, northeast side; Start from dead end street Mesa Lila Road, in city of Verdugo City. 549 Comment
  UC1129860  Pickeringia montana var. montana F. H. Raymond 1930-1-17 33 Los Angeles Tuna Canyon Calabasas Quadrangle 304 Comment
  RSA250446  Pinus contorta var. murrayana Robert F. Thorne, J. Dourley 1967-10-3 37290 Los Angeles Mt. Baden Powell, just south of peak 2851 Comment
  UCR280728  Pinus coulteri R. G. Swinney 2011-6-14 15132 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  CATA1927  Pinus halepensis Amy Catalano, Anne Kelly 2014-10-14 018 Los Angeles Santa Catalina Island: One-quarter mile west of Cape Canyon reservoir, along Cape Canyon Road 303 Comment
  RSA169031  Pinus jeffreyi Mark Parratt 1964-2-6 608 Los Angeles Table Mountain, Table Mountain Campground area; N-facing slope 3 miles north of Big Pines Ranger Station, Angeles National Forest 2195 Comment
  RSA0047921  Pinus lambertiana R. G. Swinney 2010-9-23 13872 Los Angeles Summit of Middle Hawkins Peak on Hawkins Ridge. 2576 Comment
  UC1184964  Pinus lambertiana Huron H. Smith 1912-4-30 4856 Los Angeles top Mt. Wilson 2034 Comment
  SFV274  Pinus sabiniana P. G. Kilburn 1958-4-12 738 Los Angeles San Gabriel Mountains Saugus district of Angeles National Forest. Sawmill Mountain area, 0.5 miles east of entrance to Lower Shake Campground. Just SW of road across from picnic site. 1250 Comment
  CAS-BOT-BC254412  Piptatherum miliaceum Peter H. Raven; Henry J. Thompson 1959-9-6 14391 Los Angeles Santa Monica Mountains. Near mouth of Malibu Creek 12 Comment
  CDA2306  Piptatherum miliaceum Phillipson 1915-6-14 Los Angeles Sierra Madre. Comment
  RSA750238  Pistacia atlantica A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37078 Los Angeles west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  SBBG126146  Pistacia chinensis A. C. Sanders with T. B. Salvato 2009-5-21 36903 Los Angeles Whittier Narrows, between San Gabriel River and Rio Hondo, W side of Hwy 19 (Rosemead Blvd) along rd to shooting area, S of Hwy 60 along SCE powerlines 64 Comment
  RSA674694  Plagiobothrys acanthocarpus Scott D. White, S. Leateherman, David E. Bramlet, A. O'Neal, Walter sangkatavat 2001-4-24 8414 Los Angeles Southwestern Liebre Mountains: Grasshopper Canyon area near Castaic lake. 518 Comment
  RSA745045  Plagiobothrys acanthocarpus LeRoy Gross, Pamela Conway 2009-3-22 3613 Los Angeles San Jose Hills; Puddingstone Reservoir. East of the 57 freeway. 274 Comment
  UCR186576  Plagiobothrys arizonicus A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32216 Los Angeles Tehachapi Mtns. Foothills, hills immediately NW of Quail Lake, vicinity of Benchmark 3562/Quail 1098 Comment
  UCR270267  Plagiobothrys arizonicus R. G. Swinney 2011-4-1 14288 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
  SEINET12275837  Plagiobothrys arizonicus J. F. Bright, Wyman, C. 1933-1 8289 Los Angeles Tehachapi Mountains Comment
  UC61156  Plagiobothrys arizonicus J. Burtt Davy May 9 1896-May 24 1896 2301 Los Angeles Llano Verde Antelope Valley Comment
  CATA1989  Plagiobothrys canescens Steven A. Junak, Mark Hoefs, Sara Crockett 1997-3-27 360 Los Angeles Santa Catalina Island: Cape Canyon, along Cape Canyon Road, ca. 0.2 road miles W of Cape Canyon Reservoir 304 Comment
  RSA0117600  Plagiobothrys canescens var. canescens A. C. Sanders 2008-4-10 34792 Los Angeles Transverse Range/Mojave Desert: hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM Pine. 915 Comment
  POM11629  Plagiobothrys canescens var. catalinensis George B. Grant 1901-4-9 s.n. Los Angeles Avalon, Santa Catalina Island Comment
  POM246609  Plagiobothrys canescens var. catalinensis F. R. Fosberg 1931-3-24 668 Los Angeles Hamilton s canyon, Santa Catalina Island 2 Comment
  LA81969  Plagiobothrys nothofulvus O. H. Kappler; 1941-3-8 102 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA752461  Plagiobothrys nothofulvus Justin M. Wood 2009-4-22 532 Los Angeles City of San Dimas, Sycamore Canyon, Falcon Ridge Ranch. 412 Comment
  UCR187270  Plagiobothrys nothofulvus A. C. Sanders 2006-4-18 32104 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, c. 2 miles due north of the west end of Quail Lake 1037 Comment
  UCR84481  Plagiobothrys nothofulvus T. S. Ross, D. L. Banks 1994-4-12 7500 Los Angeles San Gabriel Mtns., San Francisquito Canyon, westerly ridge descending from SW/NE-trending ridge which divides San Francisquito Canyon from Dry Canyon; c. 480 m SE of where Drinkwater Canyon joins San Francisquito Canyon 671 Comment
  CAS-BOT-BC60826  Planodes virginica Le Roy Abrams 1899-4-1 236 Los Angeles Inglewood. Comment
  LA200739  Plantago erecta Jonathan Sauer; H. N. Sauer 1975-4-29 5653 Los Angeles 7 Comment
  RSA166572  Plantago erecta W. G. Webb 1935-2-25 s.n. Los Angeles Eagle Rock Canyon Comment
  RSA402061B  Plantago lanceolata E. S. Spalding 1923-5-17 s.n. Los Angeles Los Angeles Comment
  RSA512028  Plantago major Louis C. Wheeler 1966-10-1 8947 Los Angeles San Gabriel Mts., Angeles National Forest: Colby Ranch. 1098 Comment
  POM8269  Plantago major P. A. Munz, R. D. Harwood 1920-5-17 3974 Los Angeles Santa Monica. 12 Comment
  SD69564  Plantago major Robert F. Thorne 1966-6-1 36485 Los Angeles Santa Catalina Island; weed in former lawn of razed St. Catherine's Hotel, north of Avalon. 4 Comment
  UCR203253  Platanthera sparsiflora R. G. Swinney 2001-8-27 8123 Los Angeles San Gabriel Mountains, Windy Spring, 0.3 mi northwest of Little Jimmy Campground 2256 Comment
  RSA638918  Platanus racemosa Louis C. Wheeler 1946-8-27 6263 Los Angeles San Gabriel Mountains: Sandrock Creek at Pear Blossom Highway, near confluence of Sandrock Creek and Big Rock Creek; 1/4 mile southeast of Big Rock Patrol Station. 1113 Comment
  UCR95402  Platanus racemosa L. C. Wheeler 1966-11-19 9136 Los Angeles San Gabriel Mtns., Tunnel Bypass, 0.25 mi upstream from Dutch Louie Camp, Pacoima Canyon 716 Comment
  CAS-BOT-BC91674  Platystemon californicus C. F. Baker 1904-5-2 4731 Los Angeles Hills near Claremont. Comment
  RSA606156  Platystemon californicus R. S. Woglum 1930-4-28 s.n. Los Angeles Hills south of Glendora. Comment
  SBBG82785  Platystemon californicus M. Bufkin -Apr-1895 Los Angeles near Pasadena Comment
  SFV1380  Platystemon californicus M. L. Vincent 1962-5-7 229 Los Angeles Mojave Desert Highway 0.5 miles from main highway at Pearblossom turnoff to Valyermo. 975 Comment
  RSA445686  Platystemon californicus Louis C. Wheeler 1931-3-8 s.n. Los Angeles Foothills, W Liveoak Canyon. 518 Comment
  RSA576930  Plectritis ciliosa Louis C. Wheeler 1932-3-26 537 Los Angeles Puddingstone Dam, San Jose Hills 274 Comment
  RSA0106566  Poa bulbosa subsp. vivipara R. G. Swinney 2011-6-23 15308 Los Angeles San Gabriel Mountains: Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao Visitor Center. 1582 Comment
  RSA730952  Poa secunda Gary D. Wallace 1979-5-26 1848 Los Angeles San Gabriel Mountains: along Angeles Forest Highway just west of Clear Creek Ranger Station Comment
  SEINET175715 Image available Poa secunda Marcus E. Jones 1882-2-27 Los Angeles Pasedena Comment
  CAS-BOT-BC236198  Poa secunda subsp. secunda Geo. B. Grant 1903-4-1 3438 Los Angeles Old Wilson Trail Comment
  UC1132762  Poa secunda subsp. secunda A. D. Gifford 1935-3-17 447 Los Angeles 2 1/2 mi sw Red Mt; Angeles Nat'l Forest, Tejon Quadrangle 518 Comment
  RSA21201  Poa secunda var. secunda P. A. Munz 1923-5-26 6867 Los Angeles San Gabriel Mountains, Big Rock Creek on loose dry slope. 1524 Comment
  CHSC46009  Polycarpon tetraphyllum June McCaskill 1965-6-6 700 Los Angeles Along nursery path, McCaskill Gardens, 25 South Michillinda Avenue, Pasadena. Comment
  POM2889  Polygala cornuta var. fishiae Theodore Payne 1917-08 3263 Los Angeles Crater Camp, Santa Monica Mountains? Comment
  UCR48185  Polygonum argyrocoleon R. F. Thorne 1975-9-4 47394 Los Angeles Santa Catalina Island; Fisherman's Cove; campus of USC Marine Science Center Comment
  SD249268  Polygonum aviculare Michael G. Simpson, Adrienne Russell, Jonathan Dunn 2000-7-20 2195 Los Angeles San Clemente Island, Horse Beach Canyon, ca. 2.3 miles north of China Point. 182 Comment
  UCR108376  Polygonum aviculare L. C. Wheeler 1970-6-9 s.n. Los Angeles San Pedro: 17th Street at Gaffey Street 29 Comment
  IRVC28697  Polygonum aviculare A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25480 Los Angeles Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals NE end of Santa Susana Mtns. 335 Comment
  UCD100093  Polygonum aviculare subsp. depressum B. Pitzer 1996-5-5 2859 Los Angeles Palos Verdes Peninsula: Palos Verdes Hills. San Pedro Naval Fuel Depot, at San Pedro Hill. 408 Comment
  UC56645  Polygonum lapathifolium Ernest Braunton Oct. 1902 726 Los Angeles Oak Knoll Comment
  RSA557819  Polygonum lapathifolium D. Charlton 1991-7-30 5539 Los Angeles Rancho Santa Clarita, Bouquet Canyon Rd, north of Jct. with Soledad Canyon Rd. 488 Comment
  RSA689880  Polypodium californicum Reid V. Moran 1941-2-2 598 Los Angeles Johnson s Valley, Santa Catalina Island. 20 Comment
  UC1713557  Polypodium californicum Marcus E. Jones, A. M. 1924-2-15 Los Angeles San Antonio Canyon Claremont Comment
  POM310378  Polypodium californicum Margaret Hardinge 1946-2-13 40 Los Angeles Big Dalton Canyon, San Gabriel Mtns 365 Comment
  UC557637  Polypodium californicum Nell Murbarger March, 1936 31 Los Angeles from e to w side of isl. San Clemente Isl. Comment
  UCSB30909  Polypodium californicum Parker, V. 1974-3-27 Los Angeles Fishermans Cove, Santa Catalina Island 1 Comment
  UCSB62301  Polypodium californicum Kiefer, Lawrence 1967-2-12 Los Angeles San Gabriel Mtns., N of Sunland, Gold Creek tributary of Little Tujunga Canyon., ca. 0.5mi down from Yerba Buena Spring 1005 Comment
  RSA0021696  Polypogon australis Duncan S. Bell, Caitlin Elam 2013-6-24 5269 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
  CAS-BOT-BC233091  Polypogon interruptus Carl B. Wolfe 1932-5-12 3609 Los Angeles Santa Catalina Island, Middle Ranch Canyon, near bridge on lower road to isthmus 30 Comment
  RSA595265  Polypogon monspeliensis D. L. Banks, Eric H. Roalson 1996-4-29 918 Los Angeles Claremont, naturalized along the edges of the vernal pools on the E side of the mesa at Rancho Santa Ana Botanic Garden. Comment
  LA33813  Populus fremontii subsp. fremontii Peter H. Raven; Henry J. Thompson 1959-10-14 14639 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, E-end 220 Comment
  UCR143191  Populus trichocarpa F. R. Fosberg 1931-4-28 S- 4704 Los Angeles Channel Islands, Santa Catalina Island, Eagle's Nest, Middle Ranch Canyon 180 Comment
  SD247345  Porophyllum ruderale A. C. Sanders, Lorraine Weller, Alejandra Martinez B. 2009-9-16 37177 Los Angeles Los Angles Basin Region: Los Angeles, Watts area, 658 East 111th Place between Stanford Ave. and Avalon Blvd. Community gardens under powerlines. 34 Comment
  UCR101739  Potamogeton foliosus L. C. Wheeler 1945-8-15 6089 Los Angeles El Monte: Lake Shangri-La 88 Comment
  UCR182694  Potentilla gracilis var. fastigiata R. G. Swinney 1997-8-6 5778 Los Angeles San Gabriel Mtns, along Big Pines Hwy, c. 0.5 mi. west of Hwy 2 junction, east of Jackson Lake 2024 Comment
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Mar 27 2014
  CAS-BOT-BC143343  Potentilla multijuga Dr. H. E. Hasse 1890-8-1 s.n. Los Angeles Flats near Ballona Comment
  RSA453219  Prunus emarginata I. M. Johnston 1917-8-21 1666 Los Angeles San Antonio Mountains: Upper San Antonio Canyon. 2378 Comment
  UCR124684  Prunus emarginata B. C. Templeton 1933-5-15 5142 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2195 Comment
  CAS-BOT-BC158284  Prunus fasciculata var. fasciculata Marcus E. Jones 1924-9-10 s.n. Los Angeles [Swartout] Swarthout Valley, San Gabriel Mts. Comment
  CHSC25551  Prunus ilicifolia Robert A. Schlising 1970-5-2 2946 Los Angeles Lopez Canyon, north of Pacoima. Comment
  OBI2661  Prunus ilicifolia W. Holbrook 1967-4-23 2 Los Angeles 400 yds W of Rose Bowl, Pasadena 259 Comment
  SEINET12814381  Prunus ilicifolia Jennifer Jones 2006-1 371 Los Angeles Foothills of San Gabriel Mtns; SW of Claremont Wilderness Park near the W end of Pomello Drive. Dirt continuation of Pomello Drive across flood control channel. 477 Comment
  RSA454132  Prunus ilicifolia subsp. ilicifolia Unspecified 1965-6-16 s.n. Los Angeles Cattle Canyon, above Azusa. Comment
  JEPS44614  Prunus ilicifolia subsp. lyonii W. L. Jepson 1908-7-12 3044 Los Angeles Santa Catalina Island Comment
  SBBG13261  Prunus ilicifolia subsp. lyonii M. A. Piehl 1962-6-10 62392 Los Angeles cyn E of Thirst 304 Comment
  SD53064  Prunus ilicifolia subsp. lyonii Peter H. Raven 1962-5-22 17828 Los Angeles Santa Catalina Island, near mouth of Cherry canyon 60 Comment
  LA211150  Prunus ilicifolia subsp. lyonii Arthur C. Gibson; Tony Valois 2008-5-5 5365 Los Angeles SANTA MONICA MOUNTAINS, Malibu Lagoon, Malibu. Comment
  UCR26205  Prunus virginiana John C. Roos 1947-5-31 3659 Los Angeles San Gabriel Mountains, Big Pines 2134 Comment
  CAS-BOT-BC356553  Pseudognaphalium biolettii John H. Thomas 1957-2-14 6487 Los Angeles Hills north of Eagle Rock, about 3-4 miles east of Pasadena 304 Comment
  LA200203  Pseudognaphalium biolettii Harlan Lewis; 1940-2-4 1055 Los Angeles Santa Monica Mountains, Saddle Peak, near Saddle Peak Comment
  RSA526527  Pseudognaphalium biolettii Steve Boyd, L. Arnseth 1990-4-7 4265 b Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  SD27745  Pseudognaphalium biolettii Carl B. Wolf 1932-5-9 3429 Los Angeles Santa Catalina; 0.5 miles from Avalon on road to Pebbly Beach. 7 Comment
  SD69490  Pseudognaphalium biolettii Robert F. Thorne, P. Everett 1965-6-22 34873 Los Angeles Santa Catalina Island: canyon behind Bird Park. 89 Comment
  RSA534078  Pseudognaphalium biolettii Timothy S. Ross 1991-5-19 5246 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']). Beginning of drainage. 389 Comment
  CAS-BOT-BC356714  Pseudognaphalium californicum Tim Ross; Steve Boyd 1994-5-25 7954 Los Angeles Liebre Mountains. Necktie Basin: Hanging basin ca 470-830 m W of Warm Springs Mtn summit. These collections from ca 600-800 m WSW of summit 1075 Comment
  LA25985  Pseudognaphalium californicum Judith Webb; 1955-4-2 sn Los Angeles Santa Monica Mountains, fireroad below Mount Saint Mary's College 243 Comment
  SBBG108925  Pseudognaphalium californicum S. A. Junak 1997-4-24 SCl 870 Los Angeles terrace just S of Wall Rock Cyn, near small fork from S side 298 Comment
  CATA1218  Pseudognaphalium luteoalbum Mark L. Hoefs, Douglas R. Hoefs, Jorge Hernandez 1995-6-15 2277 Los Angeles Santa Catalina Island: Cottonwood Canyon 33 Comment
  SBBG131704  Pseudognaphalium luteoalbum S. A. Junak 1999-9-10 SCa 1079 Los Angeles just S of Bulrush Cyn Trail, in upper reaches of cyn drainage 438 Comment
  SFV21043  Pseudognaphalium luteoalbum L. Gross, V. Soza 2001-6-6 440 Los Angeles Verdugo Mountains North side of mountains. Wildwood Fire Road (now deserted and growing back) off of Verdugo Mountain Way dirt fire road. Down the road (north) until you come to bottom of canyon in more or less shady, damp area in dry canyon bed. 427 Comment
  CAS-BOT-BC357290  Pseudognaphalium microcephalum Ernest Braunton 1902-9-1 673 Los Angeles Los Angeles Comment
  SBBG79665  Pseudognaphalium stramineum F. R. Fosberg 1931-3-23 4338 Los Angeles Hamilton Cyn 15 Comment
  POM244779  Pteridium aquilinum var. pubescens F. R. Fosberg 1931-5-7 S 4834 Los Angeles Cottonwood Canyon, right fork, Santa Catalina Island 200 Comment
  RSA0070124  Pterostegia drymarioides LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6956 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
  RSA617379  Pterostegia drymarioides Laura Moore, Richard K. Brummitt, S. D. Boyd 1998-5-26 1 Los Angeles San Gabriel Mountains: north base of the range, just to the south of Hwy 14 at Golden Valley Road, Placerita Canyon watershed. 549 Comment
  RSA656427  Pterostegia drymarioides Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 705 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999. 579 Comment
  UCR143438  Pterostegia drymarioides Reid Moran 1941-2-17 576 B Los Angeles Channel Islamds, Middle Ranch, south side of San Clemente Island 500 Comment
  UCR252733  Pterostegia drymarioides R. G. Swinney 2010-5-29 13412 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  UCR205465  Purshia glandulosa R. G. Swinney 2008-5-2 8743 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  RSA451426  Purshia tridentata var. glandulosa Anstruther Davidson 1901-8-1 2135 Los Angeles Rock Creek [Los Angeles or Ventura Couty]. Comment
  SBBG3070  Purshia tridentata var. glandulosa C. B. Hardham 1959-6-16 4874 Los Angeles Pearblossom Comment
  UC486360  Pycnanthemum californicum Ruth B. Randell Jul 1931 42 Los Angeles Big Rock Creek Comment
  CAS-BOT-BC104379  Quercus X macdonaldii Robert F. Thorne; P. C. Everett 1964-2-6 33430 Los Angeles ca 800' (perhaps 1 mil. SW of Empire Landing), N Central part of Santa Catalina Island Comment
  RSA670799  Quercus agrifolia var. agrifolia Joseph M. Keefe 2001-3-13 31090 Los Angeles East side of Tipton Terrace, 0.2 miles south of Buena Vista Terrace. Highland Park District, 1.5 miles southwest of The Eagle Rock. 90042 256 Comment
  UCR131486  Quercus agrifolia var. agrifolia June Latting 1973-2-24 s.n. Los Angeles San Gabriel Mountains, Monrovia Canyon 549 Comment
  LA32179  Quercus berberidifolia Henry J. Thompson; 1957-3-3 1889 Los Angeles 731 Comment
  SFV903  Quercus berberidifolia A. M. Johnson 1934-4-20 4432 Los Angeles Santa Monica Mountains Sepulveda Canyon. Hillside beyond tunnel. Comment
  UC847959  Quercus berberidifolia I. W. Clokey and B. C. Templeton 1930-4-2 4609 Los Angeles Mulholland Drive Santa Monica Mts. 600 Comment
  OBI79458  Quercus berberidifolia David J. Keil 1980-3-27 13732 Los Angeles 1 mile E of Ridge Route on Pine Canyon Road (L.A. County Rd n-2) 1189 Comment
  RSA188338  Quercus chrysolepis Robert F. Thorne, M. Z. Thorne 1966-5-31 36430 Los Angeles Santa Catalina Island. Ridge running from S end of Mt Orizaba, S side of S fork of Fern Canyon 488 Comment
  RSA476902  Quercus chrysolepis Albert J. Perkins 1922-10 s.n. Los Angeles near Colby's Ranch Comment
  RSA652308  Quercus chrysolepis Matt Bogdanoff 1981-5-27 38 Los Angeles Ca Hwy 39, 14.5 mi N of junction with Sierra Madre Ave., N of Azusa. 793 Comment
  UC1135366  Quercus chrysolepis G. T. Nordstrom 1935-3-24 412 Los Angeles 1.5 mi se Mouth of Beartrap Canyon; Santa Barbara National Forest, Tejon Quad 701 Comment
  UC1135408  Quercus chrysolepis R. St. John 1930-2-14 92 Los Angeles Head East Canyon Santa Susana Quad. 731 Comment
  UCSB23058  Quercus chrysolepis McMinn, Howard 1925-8-6 Los Angeles Sawpit Canyon Comment
  JEPS37349  Quercus durata Theodore Payne 1907-11-5 2 Los Angeles San Gabriel Canyon San Gabriel Mts. 609 Comment
  RSA226206  Quercus durata var. gabrielensis Gary D. Cromwell 1971-4-21 524 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mountains. 2 mi. NE of Glendora 488 Comment
  RSA653527  Quercus durata var. gabrielensis LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 278 Los Angeles Verdugo Mountains: Saddle where Stough Canyon Mountainway and Verdugo Mountainway meet. 610 Comment
  UC1951229  Quercus durata var. gabrielensis Scott D. White, Justin Wood 2009-5-6 12683 Los Angeles SAN GABRIEL MOUNTAINS: San Gabriel River - West Fork, large fill slope on the S side of Cogswell Reservoir. Azusa 7.5' Quad. Comment
  RSA748522  Quercus engelmannii Justin M. Wood 2009-4-13 499 Los Angeles Foothills above the city of Sierra Madre, 'one carter estates' at the end of Baldwin Ave. 49 Comment
  UCD46012  Quercus engelmannii Ward B. Holt 1941-10-1 s.n. Los Angeles Group of trees, Monrovia. Los Angeles County. Comment
  SEINET3090844 Image available Quercus ilex M. Van Rensselaer 1947-9-17 1925 Los Angeles 200 block, Oak Street, Whittier. Comment
  OBI14218  Quercus john-tuckeri Robert J. Rodin 1953-5-17 5828 Los Angeles Near main hwy 3 mi S of Gorman Comment
  UCR102253  Quercus john-tuckeri David Charlton 1989-4-7 2869 Los Angeles San Gabriel Mtns. (NW), Soledad Pass, Kentucky Springs development, 1 mile south of Hwy 14 on Angeles Forest Hwy (N-3), c. 5 mi. (airline) south of Palmdale 1037 Comment
  SEINET3245994  Quercus kelloggii R. G. Swinney 2009-1 11478 Los Angeles Transverse Range; San Gabriel Mtns.: Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. Mescal Creek. 628 Comment
  RSA477307  Quercus lobata Fordyce Grinnell Jr. 1916-10-6 s.n. Los Angeles Pasadena. Comment
  JEPS37323  Quercus pacifica W. L. Jepson 1908-7-12 3043 Los Angeles Catalina Island Comment
  POM246815  Quercus pacifica F. R. Fosberg 1931-7-16 S 5433 Los Angeles Gallagher's Canyon, near Wrigley Reservoir, Santa Catalina Island. 400 Comment
  UCD14054  Quercus pacifica John M. Tucker 1992-3-31 No. 1 Los Angeles California, Los Angeles Co.; Santa Catalina Island, upper Middle Ranch Canyon below pump station, roughly 4 1/2 mi. west of Avalon, Comment
  CAS-BOT-BC258366  Quercus tomentella P. S. Manos; T. Martin 1987-10-8 244 Los Angeles Santa Catalina Island, Gallagher's Canyon 300 Comment
  RSA87150  Quercus tomentella F. W. Peirson 1923-4-9 3456 Los Angeles San Clemente Island: Middle Ranch Comment
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Jun 5 2014
  SD234137  Quercus wislizeni Virginia Pinkus Ryder 1964-7-1 243 Los Angeles Road to Mount Wilson. 1562 Comment
  SD1078  Quercus wislizeni var. frutescens Fidella G. Woodcock Sep 1930 Los Angeles Mt. Lowe Comment
  UCSB31742  Quercus wislizeni var. frutescens Miller, Brian; Gause, Gerry 1964-9-6 Los Angeles Crystal Lake, San Gahriel Mountain range 1584 Comment
  UCR150850  Rafinesquia californica R. G. Swinney, Dave Larson 1999-5-15 7173 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  RSA472417  Rafinesquia californica L. E. Hoffman 1931-5-18 17171 Los Angeles Big Santa Anita Canyon. Comment
  UCR220345  Ranunculus californicus D. E. Bramlet, Mike Ahmer 2005-4-14 3792 A Los Angeles Los Angeles Basin Region, Puente Hills in La Habra Heights, main drainage of Powder Canyon, c. 547 ft. east of Skyline Drive and 1460 ft. north of Fullerton Rd. 249 Comment
  RSA0081381  Raphanus sativus R. G. Swinney 2010-3-16 11907 Los Angeles Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  SEINET11261096  Raphanus sativus K. Dobry 1991-6-13 d 721 Los Angeles SW section of Soka University, Los Vergenes Road and Mulholland Hwy. Santa Monica Mountains.; 0 Comment
  LA200329  Raphanus sativus Jonathan Sauer; H. N. Sauer 1969-5-30 4557 Los Angeles Santa Monica Mountains, Tuna Canyon, lower portion of canyon Comment
  UCR271528  Rhamnus californica subsp. californica R. G. Swinney 2011-5-31 14903 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  POM2775  Rhamnus crocea N. R. Shaw 1900-4-7 27 Los Angeles Claremont. Comment
  SBBG17299  Rhamnus ilicifolia M. Vincent 1962-4-6 161 Los Angeles Old Topanga Cyn Rd, 2 mi W of New Topanga Cyn Rd Comment
  SBBG27535  Rhamnus ilicifolia W. R. Dudley, F. H. Lamb 1896-6-7 Los Angeles Kings Cyn, Antelope Valley Comment
  SBBG96869  Rhamnus ilicifolia T. Ross 1991-3-24 4310 Los Angeles Whittier Hills (Puente Hills, pro parte) 237 Comment
  CATA1692  Rhamnus pirifolia Mark L. Hoefs, Robert F. Thorne 1998-10-9 2989 Los Angeles Santa Catalina Island: Upper end of Renton Mine Road 231 Comment
  RSA487438  Rhamnus pirifolia Tom Scott 1988-5-8 s.n. Los Angeles San Clemente Island: Horse Canyon Comment
  SJSU380  Rhamnus pirifolia A. W. Jacobs 1938-8-11 Los Angeles Summit Dr, Santa Catalina Island Comment
  RSA495627  Rhamnus tomentella subsp. cuspidata S. Zona, D. Arias, Oscar Dorado, M. Hanson, Jose Luis Villase - or 1989-6-21 329 Los Angeles Mountain High Ski Resort. W of Wrightwood; N slopes of San Gabriel Mts. 2018 Comment
  UC1302266  Rhus Robert F. Thorne and P. Everett 1964-2-6 33428 Los Angeles 1 mi sw Empire Landing ((perhaps) C part of Santa Catalina Island); Santa Catalina Island 243 Comment
  RSA576134  Rhus integrifolia F. H. Elmore 394 Los Angeles San Clemente Island. Comment
  RSA614156  Rhus integrifolia J. Gural, Valerie Soza 1997-3-26 16 Los Angeles Bernard Field Station of the Claremont Colleges, located on the NW corner of Mills Ave. and Foothill Blvd. 412 Comment
  SD49385  Rhus integrifolia Reid Moran 1959-3-9 7167 Los Angeles 2 miles southeast of Eel Point, San Clemente Island Comment
  UC1211028  Rhus integrifolia Huron H. Smith 1912-6-12 5090 Los Angeles Cherry Canyon; Santa Catalina Islands 137 Comment
  SEINET10778867  Rhus integrifolia Louis C. Wheeler 1933-3-19 Wheeler 1553 Los Angeles Just within mouth of San Grabriel Canyon, San Gabriel Mts. 244 Comment
  POM201730  Rhus ovata L. C. Wheeler 1931-11-11 341 Los Angeles 2 mi. SW Girard. 427 Comment
  RSA608526  Rhus ovata Willis H. Wheeler 1930-4-12 s.n. Los Angeles Santa Monica Mountains: Mandeville Canyon. Comment
  RSA593460  Rhus trilobata var. quinata Steve Boyd, Michael Wall 1996-5-16 8792 Los Angeles Liebre Mountains, Ruby Canyon upstream from confluence with Elizabeth Lake Canyon at northwest end of Red Mountain, along Ruby Canyon Road ca. 0.9 mi E of jtn with Lake Hughes Road. 622 Comment
  CAS-BOT-BC92285  Ribes amarum Ellsworth Bethel 1920-2-20 s.n. Los Angeles Monrovia. Comment
  CAS-BOT-BC92439  Ribes aureum var. gracillimum Geo. B. Grant 1904-5-14 6271 Los Angeles Glendora. Comment
  RSA717409  Ribes aureum var. gracillimum Gary Kovnat, LeRoy Gross 2003-2-16 16 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. 683 Comment
  SBBG70986  Ribes aureum var. gracillimum R. Hoffmann 1929-2-9 Los Angeles Monrovia Comment
  CAS-BOT-BC93086  Ribes californicum var. hesperium A. J. McClatchie 1894-1-1 s.n. Los Angeles Canons [Canyons] San Gabriel Mountains near Pasadena. Comment
  POM271867  Ribes californicum var. hesperium Lyman Benson 1947-1-13 12274 Los Angeles Little Dalton Canyon, Glendora 427 Comment
  POM214293  Ribes divaricatum var. parishii Louis C. Wheeler 1934-3-18 2452 Los Angeles San Gabriel River. 73 Comment
  SEINET13942497 Image available Ribes hesperium Peter H. Raven 1959-1 13789 Los Angeles Benedict Canyon at Mullholland Drive, elevation 1100 feet 335 Comment
  CAS-BOT-BC167102  Ribes indecorum A. C. Sanders 2003-3-14 25784 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 560 Comment
  SD90309  Ribes indecorum Robert F. Thorne, M. Z. Thorne 1972-1-30 42173 Los Angeles San Gabriel Mountains; Johnson's Pastures north of Claremont. 548 Comment
  RSA0021116  Ribes lasianthum J. C. Roos 1937-5-31 10 Los Angeles Big Pines. Comment
  RSA0021115  Ribes lasianthum Wesley O. Griesel 1962-5-24 s.n. Los Angeles Dawson Saddle, State Hwy 2 2439 Comment
  RSA0083125  Ribes malvaceum R. G. Swinney 2010-6-4 13026 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA133400  Ribes malvaceum var. viridifolium Peter H. Raven 1959-2-23 13802 Los Angeles 1 mile north of Junction with Mulholland Drive 503 Comment
  UC921824  Ribes malvaceum var. viridifolium Ira W. Clokey, B. Templeton 1929-4-14 4455 Los Angeles Mandeville Canyon Santa Monica Mountains 450 Comment
  NY833421  Ribes nevadense S. Boyd 2004-5-18 11306 Los Angeles Trnasverse Ranges: Liebre Mountains region: Atmore Meadows area Comment
  UCR124716  Ribes roezlii var. roezlii B. C. Templeton 1933-6-15 5128 Los Angeles San Gabriel Mtns., East Blue Ridge, Big Pines Park, Angeles National Forest 2195 Comment
  RSA476287  Ribes speciosum E. A. McGregor 1964-3-31 s.n. Los Angeles Ravine, east of Whittier College, Whittier. Comment
  CAS-BOT-BC173942  Ribes viburnifolium Blanche Trask 1896-3-22 s.n. Los Angeles Santa Catalina Island Comment
  RSA659681  Ricinus communis Chris White 1991-5-20 12 Los Angeles Point Fermin. Comment
  CAS-BOT-BC362907  Rigiopappus leptocladus H. M. Hall; H. P. Chandler 1906-6-12 7395 Los Angeles San Francisquito Canon [Canyon] Comment
  UCSB7187  Robinia pseudoacacia Decker, Helen 1946-5-5 Los Angeles Mt. Baldy, San Antonio Canyon Comment
  CSUSB500  Rorippa nasturtium-aquaticum John Milbauer 1976-5-15 S. N. Los Angeles Santa Monica Mountains Santa Monica Mountains, Old Topanga Canyon road Comment
  RSA0098789  Rosa californica R. G. Swinney 2011-6-1 14938 Los Angeles San Gabriel Mountains: Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy 1096 Comment
  SBBG12783  Rosa californica E. R. Blakley 1962-10-6 5480 Los Angeles Cape Cyn, near old gravel pit 304 Comment
  SEINET11917916  Rosa californica J. F. Bright, Wyman, C. 1923-5-28 8494 Los Angeles near Los Angeles Comment
  JEPS44759  Rubus leucodermis Frank W. Peirson 1919-6-16 494 Los Angeles South Fork Rock Creek San Gabriel Mts., South Fork Rock Creek 1981 Comment
  RSA199022  Rubus ursinus W. M. Gauntt 1966-4-16 159 Los Angeles Junction of Glendora Mountain Road and San Gabriel Canyon Road. 915 Comment
  RSA592281  Rubus ursinus Louis C. Wheeler 1967-5-9 9404 Los Angeles San Gabriel Mountains. Aliso Canyon. 945 Comment
  RSA681155  Rumex crispus LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1070 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
  SBBG128411  Rumex salicifolius M. L. Hoefs 1995-5-23 2134 Los Angeles Middle Cyn at Thompson Reservoir 195 Comment
  UC672595  Salazaria mexicana H. L. Mason 1926-4-26 2981 Los Angeles Vincent to Palmdale; Vincent to Palmdale Comment
  UCLA55081  Salazaria mexicana A. M. Johnson 1932-4-17 3988 Los Angeles 10 mi w Palmdale; w of Palmdale Comment
  RSA4808  Salicornia virginica James Snow s.n. Los Angeles Bryant Ranch, near Long Beach. Station #1, 2, and 3. Plant # 3. Comment
  CAS-BOT-BC108058  Salix exigua A. D. E. Elmer 1902-6-1 3650 Los Angeles Saugus Comment
  UC1375321  Salix exigua Robert F. Thorne and C. W. Tilforth 1971-6-17 39888 Los Angeles 0.7 mi w Soledad Station (along Santa Clara R.); n slope San Gabriel Mts., Soledad Canyon 609 Comment
  LA52082  Salix exigua var. hindsiana Carl Hedin; J. A. Ewan 1932-4-22 7633 Los Angeles SAN FERNANDO VALLEY, Los Angeles River, 0.4 km E of Radford Dr. 176 Comment
  RSA594585  Salix gooddingii Louis C. Wheeler 1967-5-2 9280 Los Angeles San Gabriel Mountains. North side foothills ca. 0.3 mi. west of LA Aqueduct, just south of San Clarito Hospital. 'Baker Ranch' on Los Angeles County firearms closure map. 396 Comment
  VVC2154  Salix gooddingii var. variabilis Tim Thomas 1985-5-10 758 Los Angeles Transverse Ranges, Simi Hills; lower Cheseboro Canyon 305 Comment
  SBBG59098  Salix laevigata C. W. Sharsmith 1931-10-26 2 Los Angeles 1.5 km N of Castaic, Santa Clara River Valley 315 Comment
  SD1034  Salix laevigata F. R. Fosberg 1932-3-13 7427 Los Angeles Lower Topanga Canyon, Santa Monica Mountains 14 Comment
  LA52062  Salix laevigata F. R. Fosberg; 1932-3-13 7427 Los Angeles 15.0 Comment
  LA208841  Salix lasiandra Carl Hedin; Joseph Ewan 1933-3-25 7675 Los Angeles area 6 Comment
  LA208790  Salix lasiolepis Carl Hedin; Joseph Ewan 1932-5-10 7651 Los Angeles Verdugo Canyon at Colina Drive [Area 3] Comment
  POM362742  Salix lasiolepis Robert Gustafson 1973-5-17 s.n. Los Angeles 3 mi southwest of the Mt. Wilson turnoff on Angeles Crest Highway 1585 Comment
  RSA571280  Salix lasiolepis Steve D. Boyd, D. L. Banks, Orlando Mistretta 1994-4-29 8321 Los Angeles Northern slope of the San Gabriel Mountains, Angeles National Forest, side draw on southeastern side of Mt. Emma, Santiago Canyon drainage. 1159 Comment
  RSA600002  Salix lasiolepis Steve D. Boyd, Lauren Raz 1997-5-28 9841 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  RSA616065  Salix lasiolepis Scott D. White 1997-12-31 6037 Los Angeles Malibu Coast: Mouth of Trancas Canyon, N of Pacific Coast Hwy. 8 Comment
  SD903  Salix lasiolepis F. R. Fosberg 1931-10-23 5852 Los Angeles Agoura (Picture City), Santa Monica Mountains Comment
  CAS-BOT-BC128523  Salix lasiolepis var. lasiolepis Carl W. Sharsmith 1932-2-14 10 Los Angeles At bottom of Lower San Gabriel Canyon, about 9.5 km. above Azusa 300 Comment
  POM262963  Salix scouleriana J. C. Roos 1937-7-16 620 Los Angeles Near Mt. San Antonio, San Gabriel Mountains. 2287 Comment
  CDA20916  Salsola australis M. O'Brien 2004-12-15 s.n. Los Angeles Southern California Coast; El Pescador State Beach. 7 Comment
  SBBG58396  Saltugilia splendens R. Hoffmann 1927-6-14 Los Angeles Pine Cyn Comment
  POM175438  Saltugilia splendens subsp. grantii Joseph A. Ewan 1930-6-23 2639 Los Angeles 1 mile above Coldbrook Camp, N. Fork San Gabriel River, San Gabriel Mountains. 1220 Comment
  RSA0082877  Saltugilia splendens subsp. grantii R. G. Swinney 2011-7-21 15547 Los Angeles Strawberry Peak summit. 1860 Comment
  RSA646971  Saltugilia splendens subsp. grantii Orlando Mistretta 1992-9-4 795 Los Angeles San Gabriel Mountains: Yerba Buena Trail; Tujunga Ranger District. 1432 Comment
  RSA334178  Saltugilia splendens subsp. splendens R. F. Thorne, M. Z. Thorne 1969-7-9 38515 Los Angeles San Gabriel Mountains, Angeles National Forest: summit of Table Mt. 2133 Comment
  UC1595363  Saltugilia splendens subsp. splendens Tim Ross and Steve Boyd 1990-6-18 3455 Los Angeles northerly draw draining to Jackson Lake (Camp Verdugo Pines and vicinity); San Gabriel Mtns., Mescal Creek Quad., Camp Verdugo Pines 1877 Comment
  UCR272353  Saltugilia splendens subsp. splendens R. G. Swinney 2011-6-20 15232 Los Angeles San Gabriel Mountains, Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail 1573 Comment
  RSA0105010  Salvia apiana R. G. Swinney 2011-4-26 14518 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
  RSA401631B  Salvia apiana William Emboden 1970-6-12 43 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  RSA424340  Salvia apiana William Emboden 1970-6-12 19 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  RSA624984  Salvia apiana Louis C. Wheeler 1963-6-25 8261 Los Angeles San Gabriel Mountains: Pacoima Canyon (Ore Hill Prospect) 1/4 mile east of Dorothy Canyon. 915 Comment
  RSA401630A  Salvia apiana William Emboden 1969-5-28 6 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA442850  Salvia apiana William Emboden 1969-5-28 40 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  CHSC35383  Salvia carduacea M. B. Schwartz 1971-5-7 Los Angeles Ca. 20 mi. SE of Palmdale, 1 1/2 mi. So. of Ave. T at 116th St. East by R. R. in Littlerock in Mojave Desert. 853 Comment
  RSA589511  Salvia columbariae Tim S. Ross, Gery Allan, Mark A. Elvin 1995-5-21 8599 Los Angeles San Clemente Island: Head of Chenetti Canyon, on the W prong of the trident formed at the top of the longest tributary; 1330 ft. SSE of Rest triangulation point (1336-ft). 358 Comment
  SBBG128178  Salvia columbariae M. L. Hoefs, D. R. Hoefs, H. Greene 1992-4-15 1784 Los Angeles N of rd between Emerald Bay and Parsons Landing 121 Comment
  SD231333  Salvia columbariae Sula Vanderplank, LeRoy Gross & Steve Hoskinson. 2005-5-6 50506 7 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
  UC25690  Salvia columbariae Jos. Burtt Davy 1901-3-1 Los Angeles Saugus Comment
  UCR184220  Salvia columbariae A. C. Sanders 2007-4-19 33447 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  UCR258693  Salvia columbariae R. G. Swinney 2010-3-22 12033 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  HSC14333  Salvia columbariae David Porter 1965-5-1 Los Angeles 1/2 mi. S of Gorman along Hwy. 99 1098 Comment
  SEINET7972570  Salvia columbariae G. B. Grant, W. Wheeler 1904-5-7 1167 Los Angeles Glendora, southern California. Comment
  UCD168360  Salvia dorrii J. W. Barry 1980-5-1 s.n. Los Angeles Hungry Valley SVRA. (Exact location unknown. This park is mostly in Los Angeles county, but also includes parts of Ventura and Kern counties. Coordinates estimated by the label maker.) Comment
  LA99373  Salvia dorrii var. dorrii E. R. Hobbs; 1978-4-23 78- 174 Los Angeles Bob's Gap, Antelope Valley Comment
  RSA446281  Salvia dorrii var. pilosa Gale Sphon 1959-4-4 285 Los Angeles 3 miles north of Big Rock Public Camp, Big Rock Creek. Comment
  RSA614329  Salvia dorrii var. pilosa Louis C. Wheeler 1973-4-20 s.n. Los Angeles Aliso Canyon 1/4 mile south-southwest of Blum Ranch. 915 Comment
  SEINET192417  Salvia dorrii var. pilosa L. R. Abrams 1941-4-24 13952 Los Angeles Between Big Rock Creek and Little Rock Creek on State Highway 138. Comment
  RSA434101  Salvia leucophylla R. J. Tinkler 1969-7-12 s.n. Los Angeles Mullholland Drive, west of San Diego Freeway. Comment
  CAS-BOT-BC233318  Salvia mellifera John I. Carlson 1915-6-13 s.n. Los Angeles Santa Catalina Island Comment
  CHSC12144  Salvia mellifera L. M. Mayer 1973-4-21 103 Los Angeles Very abundant at the base of the mountains, ca. 20 ft off the rd through Big Tujunga Canyon, ca 8 mi ne of the intersection of Foothill Blvd. and Mt Gleason Ave. 701 Comment
  RSA547801  Salvia mellifera Tim S. Ross, Peter Fritsch 1990-6-20 3601 Los Angeles San Gabriel Mountains: mouth of Burro Canyon near the confluence of the E and W Forks of the San Gabriel River; ranging from stream bottom to slopes. 445 Comment
  UCD125598  Salvia mellifera Kenneth R. Montgomery; Thomas W. Strid 1973-4-13 73- 8 Los Angeles on north facing slope at Dillon Divide, San Gabriel Mountains, California. Site of LASCA Cistus field plot. Comment
  UCLA70028  Salvia mellifera Joseph Andorfer Ewan 1932-5-10 7452 Los Angeles Verdugo Canyon Storm Channel; Verdugo Canyon Comment
  RSA434079  Salvia spathacea Bonnie C. Templeton 1931-5-1 s.n. Los Angeles Mandeville Canyon 300 Comment
  RSA477564  Sambucus mexicana H. L. Bauer 1932-6-1 s.n. Los Angeles Topanga Canon, Santa Monica Mountains. Comment
  CATA1150  Sambucus nigra subsp. caerulea Mark L. Hoefs 1995-5-23 2141 Los Angeles Santa Catalina Island: Upper Middle Canyon 225 Comment
  RSA0091523  Sambucus nigra subsp. caerulea R. G. Swinney 2010-4-15 12261 Los Angeles Indian Canyon, at confluence with Lopez Cyn., east side of Lopez Cyn. Road, NE side of jct. of Lopez Cyn. Rd. and Bailey Rd., outside forest service boundary 415 Comment
  SFV15568  Sambucus nigra subsp. caerulea R. K. Stachelek 1992-4-14 17 Los Angeles San Gabriel Mountains Sylmar, Stetson Ranch Park. Dirt road just past parking area. 500 Comment
  RSA460825  Samolus parviflorus Louis Greata 1900-9-16 s.n. Los Angeles Los Angeles. Comment
  UC1562956  Sanicula arguta Steve Myers 1990-4-3 2 Los Angeles Powder Canyon in the city of La Habra Heights Powder Canyon; La Habra Heights, Powder Canyon 243 Comment
  RSA594757  Sanicula crassicaulis T. S. Ross 1995-4-7 8355 Los Angeles Templin Highway, ca. 100-250 ft NE of its inter- section with the Old Ridge Route (near the headwaters of Violin Canyon). 866 Comment
  UCR274106  Sanicula crassicaulis Steven A. Junak 1999-4-22 SCa- 844 Los Angeles California Islands, Santa Catalina Island. Cape Canyon, just downstream from pumphouse along east fork of Cape Canyon Road, just upstream from fork in road 305 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
  RSA729689  Sarcodes sanguinea R. G. Swinney 1998-8-31 6864 Los Angeles San Antonio Ridge, 1.1 mi. west of Baldy, east of saddle. West-facing slope. 2415 Comment
  RSA471117  Sarcodes sanguinea L. E. Hoffman 1932-7-4 s.n. Los Angeles Big Pines Park, Swarthout Canyon. Comment
  UCR9550  Satureja mimuloides Judy Owen 1970-7-23 s.n. Los Angeles San Gabriel Mtns., Angeles National Forest 915 Comment
  LA104159  Scandix pecten-veneris T. Thomas; April 1983 569 Los Angeles Santa Monica Mountains, Malibu Creek State Park, NW of parking lot and E of creek Comment
  UCR132230  Schismus arabicus June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, north of Calif. Hwy 18 at the boundary of Los Angeles and San Bernardino Counties in Antelope Valley 1037 Comment
  RSA587229  Schismus barbatus Orlando Mistretta 1994-5-11 1174 Los Angeles Little Rock Creek, E slopes of canyon W of Basin Campground 1037 Comment
  UCR220213  Schismus barbatus R. G. Swinney 2009-4-24 10473 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, just below Littlerock Creek Dam, in tributary canyon to the east 1000 Comment
  UCR94667  Schoenoplectus acutus var. occidentalis A. C. Sanders, E. J. Lott 1993-5-6 13989 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-BC111232  Schoenoplectus californicus George B. Grant 1904-7-14 6334 Los Angeles East lake Reservoir Comment
  OBI70751  Schoenoplectus californicus Louis C. Wheeler 1946-7-28 6221 Los Angeles San Gabriel: Rio Hondo, 1/4 mi N of San Gabriel Blvd Comment
  SEINET7591453 Image available Schoenoplectus californicus Louis C. Wheeler 1946-1 6221 Los Angeles San Gabriel: Rio Hondo, .25 mile N of San Gabriel Boulevard Comment
  UCR95430  Scirpus cernuus Steve Boyd, Orlando Mistretta 1996-5-23 8820 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to power plant, just north of upper end of Castaic Lake. 500 Comment
  JEPS79982  Scirpus microcarpus C. B. Clokey, I. W. Clokey and B. C. Templeton 1930-5-13 4618 Los Angeles Bouquet Canyon Bouquet Canyon (marsh) 450 Comment
  LA51846  Scrophularia californica subsp. californica W. O. Griesel; 1936-4-19 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  POM122782  Scrophularia californica subsp. floribunda Marcus E. Jones 1926-5-7 s.n. Los Angeles Claremont. Comment
  SEINET10548866  Scrophularia villosa Jon Ricketson, Heidi H. Schmidt 1992-10-21 Ricketson 4828 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Garden, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  UC624991  Scrophularia villosa F. R. Fosberg 1931-4-8 S 4520 Los Angeles Avalon Valley; Santa Catalina Isl 60 Comment
  RSA0115860  Scrophularia villosa Steven A. Junak 1999-5-6 SCa- 888 Los Angeles Santa Catalina Island. Parsons Landing, at W end of beach, just inland from creek mouth, W-facing slope at 1st fork in canyon. 24 Comment
  UCR239046  Scutellaria mexicana Anuja Parikh, Nathan Gale 2010-6-4 3259 Los Angeles Western Transverse Range; East Liebre Mountains, Sierra Pelona, 2.8 km west of State Hwy 14, 1.3 km south of Avenue S 987 Comment
  SD38741  Scutellaria tuberosa F. McCulloch 1931-3-15 2069 A Los Angeles Santa Susanna Pass [county a guess; possibly SLO county] Comment
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Jul 11 2010
  CAS-BOT-BC61989  Selaginella asprella Larry Kiefer 1963-1-1 348 Los Angeles c. 25 yds nw of Crystal Lake 1828 Comment
  UC813006  Selaginella bigelovii Wheeler and Grant 1904-4-21 Los Angeles Santa Catalina Isl. Comment
  UCR270914  Selaginella bigelovii R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14347 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg. ) NNW of the trailhead 451 Comment
  RSA279048  Selaginella bigelovii Robert F. Thorne 1971-4-23 41471 Los Angeles San Gabriel Mountains, Angeles National Forest: Chantry Flats, along trail to Santa Anita Canyon 609 Comment
  CAS-BOT-BC333115  Senecio flaccidus var. douglasii Scott Sundberg 1983-8-16 2092 Los Angeles West of Lancaster along Highway 138, 50 m. west of where the Los Angeles Aqueduct crosses the highway Comment
  RSA755995  Senecio flaccidus var. douglasii R. G. Swinney 2008-10-7 9464 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 Comment
  RSA594355  Senecio flaccidus var. monoensis Steve Boyd, Lauren Raz 1996-10-14 9061 B Los Angeles Liebre Mountains region, near the head of Soledad Canyon, just north of the confluence of Kentucky Springs Canyon, strip of undeveloped land between Sierra Highway and Highway 14, just west of Vincent Fire Station. 939 Comment
  CAS-BOT-BC341211  Senecio lyonii R. M. Beauchamp 1967-1-27 114 Los Angeles East of main Wilson Cove area. San Clemente Island Comment
  POM30496  Senecio lyonii George B. Grant, Walter Wheeler 1904-04 6134 Los Angeles Santa Catalina Island. Comment
  UC1215174  Senecio lyonii Peter H. Raven 1962-4-9 17161 Los Angeles above Wilsons Cove; San Clemente Island 76 Comment
  RSA702297  Senecio vulgaris Scott D. White, Pam DeVries 2004-5-18 10429 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
  SEINET10915613  Sequoiadendron giganteum David B. Dunn 1960-8-22 Dunn 13652 Los Angeles Rancho Santa Ana Botanical Garden. 61 Comment
  UC816719  Setaria italica Geo. B. Grant June, 1901 2801 Los Angeles Comment
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Sep 4 2007
  RSA483328  Setaria parviflora Robert Gustafson 1981-8-7 2345 Los Angeles Ballona Wetlands, Area 2. Comment
  RSA611523  Setaria parviflora L. C. Wheeler 1968-10-5 s.n. Los Angeles San Gabriel Mountains: Mouth of Roberts Canyon, San Gabriel Canyon, on west side of Roberts Canyon. 251 Comment
  UCD14567  Setaria viridis Don Ford 1984-8-10 s.n. Los Angeles California, Los Angeles Co.; Lancaster, Antelope Valley Dairy; Comment
  CAS-BOT-BC434373  Sidotheca trilobata A. D. E. Elmer 1902-6-1 3695 Los Angeles Acton Comment
  RSA150923  Silene antirrhina P. H. Raven 1962-5-9 17680 Los Angeles Near head of canyon above Mosquito Cove, San Clemente Island 335 Comment
  RSA609998  Silene antirrhina L. C. Wheeler 1936-6-19 4157 Los Angeles Tanbark Flat, San Dimas Canyon 792 Comment
  PASA1297  Silene gallica A. Carter 1928-12-29 Los Angeles Base of Sierra Madre Mts. Comment
  RSA347516  Silene gallica B. A. Prigge 1986-3-19 6926 Los Angeles Santa Monica Mountains: 0.3 miles west of Mulholland Hwy on Pacific Coast Hwy. 30 Comment
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Aug 11 2014
  CAS-BOT-BC387021  Silene gallica Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-8 4240 Los Angeles Los Angeles; Racho Santa Ana Botanic Garden; San Clemente Island Comment
  LA94358  Silene gallica Mary Reynolds; 1937-4-15 118 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  SFV16049  Silene gallica A. M. Orcino, A. Sutton 1994-5-18 29 Los Angeles Santa Monica Mountains Calabasas. Stunt High Trail, 1 mile east on Stunt Road from junction with Mulholland Highway. 796 Comment
  UC8443  Silene gallica H. P. Chandler 1897-5-11 Los Angeles Claremont 396 Comment
  SEINET8879633  Silene laciniata G. B. Grant 1904-1 1205 Los Angeles Pasadena. Comment
  POM123161  Silene laciniata subsp. major Marcus E. Jones 1884-08 s.n. Los Angeles Pasadena. Comment
  RSA477923  Silene laciniata subsp. major R. J. Tinkler 1969-7-4 s.n. Los Angeles Lopez Canyon Road, San Fernando. Comment
  RSA164856  Silene parishii Wesley O. Griesel 1962-9-14 740 Los Angeles Near Buckhorn Camp. 2073 Comment
  RSA729317  Sisymbrium altissimum R. G. Swinney 1998-7-2 6213 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  SBBG51622  Sisymbrium altissimum R. Gustafson, C. Davidson 1977-4-20 12 Los Angeles Fort Tejon Rd, S of Littlerock, ca. 1.5 mi E of jct with 82nd St 975 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
  UCR186922  Sisymbrium altissimum A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32236 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
  UCR255808  Sisymbrium altissimum R. G. Swinney 2010-5-12 12748 Los Angeles San Gabriel Mountains, Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  UCD115498  Sisymbrium altissimum Daryl Koutnik; Vickie Dawes 1978-4-7 306 Los Angeles south of Pearblossom Highway at 47 Street-East. 792 Comment
  UCSB27921  Sisymbrium altissimum Kunze, G. 1971-4-17 Los Angeles 160th Street, 6.3 miles south of Lancaster Road, Antelope Valley 914 Comment
  UCR145908  Sisymbrium erysimoides Michael Denslow, Steve Boyd 2003-5-7 1089 Los Angeles Transverse Ranges; San Gabriel Mtns, North of Azusa at the end of Glendora Ridge Motorway (1N26) in small unnamed cayon just above small Avocado orchard 274 Comment
  RSA600981  Sisymbrium officinale L. C. Wheeler 1967-6-26 9878 Los Angeles Elsmere Canyon 441 Comment
  RSA590941  Sisymbrium orientale Orlando Mistretta 1994-4-12 1032 Los Angeles Little Rock Creek: Slopes E of Little Rock Reservoir 976 Comment
  SBBG109038  Sisymbrium orientale S. A. Junak 1996-5-31 SCl 562 Los Angeles N end of island, behind (just inland from) beach at West Cove 6 Comment
  UCR154021  Sisymbrium orientale A. C. Sanders 2005-5-11 30158 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Canyons 655 Comment
  UCR207700  Sisymbrium orientale Justin M. Wood 2009-4-2 459 Los Angeles city of Claremont; Bernard Field Station, northwest corner of Mills Ave. and Foothill Blvd. 421 Comment
  UCR210057  Solanum americanum A. C. Sanders 2009-11-6 37209 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  SBBG13547  Solanum douglasii E. R. Blakley 1962-10-5 5452 Los Angeles Cottonwood Cyn, 0.25 mi upstream from ocean 30 Comment
  UC56871  Solanum douglasii Miss E. D. Palmer before Feb 1902 Los Angeles Los Angeles Comment
  UCR139427  Solanum douglasii Fay A. MacFadden 1931-3-13 6 E Los Angeles La Tuna Canyon, Verdugo Hills 488 Comment
  RSA580970  Solanum douglasii Catherine A. Mish 1995-3-18 28 Los Angeles Santa Monica Mountains: Fryman Canyon 500 Comment
  RSA782552  Solanum nigrum R. G. Swinney 2009-4-13 10313 Los Angeles San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte. 184 Comment
  SEINET10697251 Image available Solanum tuberosum Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3751 Los Angeles City of Santa Monica. Trader Joe's: 3212 Pico Boulevard: Santa Monica, CA, 90405: (310) 581-0253 - phone. 30 Comment
  CAS-BOT-BC154695  Solanum umbelliferum C. F. Baker 1903-3-16 4059 Los Angeles Claremont Comment
  RSA0094391  Solanum umbelliferum Richard G. Swinney 2011-5-31 14910 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
  UC450841  Solanum umbelliferum Fay A. McFadden 1931-4-22 2642 Los Angeles San Franscito Canyon Comment
  POM305698  Solanum umbelliferum Henry J. Ramsey, Henry J. Ramsey 1937-3-26 968 Los Angeles Pacoima Canyon, near San Fernando, Angeles National Forest. Comment
  SBBG130580  Solanum wallacei S. A. Junak 2000-3-31 SCa 1147 Los Angeles above rd to White's Landing, ca. 0.3 mi from intersection with Airport Rd, just downslope from Airport Rd 411 Comment
  SEINET7262095 Image available Solanum xanti var. glabrescens B. C. Templeton, I. W. Clokey 1930-4-8 1045 Los Angeles San Francisquito Canyon; San Gabriel Mountains Comment
  UCR230269  Solidago californica Dan S. Cooper 2011-3-3 311- 25 Los Angeles San Gabriel Mountains Foothills, Monrovia Hills, top of Highland Place 243 Comment
  RSA473690  Solidago confinis I. M. Johnston 1917-8-22 1674 Los Angeles Prairie Fk. of San Gabriel R. 1524 Comment
  UC1595400  Solidago velutina subsp. californica Tim Ross and Annette H. Ross 1991-7-29 5698 Los Angeles n-most point Puente Hills (W Pomona, Elephant Hill); San Dimas Quad., n-most point of the Puente Hills, W Pomona 321 Comment
  UC472135  Solidago velutina subsp. californica J. Ewan 1930-10-10 3522 Los Angeles Sturtevant Trail at First Water Camp (San Gabriel Mts.); , Sturtevant Trail at First Water Camp 914 Comment
  SFV4930  Soliva sessilis A. Starrett 1971-6-6 s. n. Los Angeles Los Angeles. 5517 Garth Ave., near intersection of Slauson and La Cienega. 137 Comment
  RSA474077  Sonchus asper F. R. Fosberg 1931-4-13 S- 4620 Los Angeles Santa Catalina Island. Eagles nest. Middle Ranch Canyon. 180 Comment
  SBBG67926  Sonchus asper R. Hoffmann 1929-4-28 Los Angeles Harold Comment
  CAS-BOT-BC374614  Sonchus oleraceus E. R. Blakley 1962-6-10 5259 Los Angeles San Clemente Island 15 Comment
  CDA20764  Spartium junceum M. O'Brien 2006-5-28 s.n. Los Angeles Topanga State Beach, between Pacific Coast Hwy. and beach, SE of Malibu Canyon Rd. Comment
  RSA0115855  Spergularia bocconi Steven A. Junak 1999-5-6 SCa- 881 Los Angeles Santa Catalina Island. 0.1 mi W of Emerald Bay Road, at gate. 15 Comment
  RSA0098400  Spergularia macrotheca Reid V. Moran 1931-3-2 664 Los Angeles Santa Catalina Island, at point between Wilson s and Hanland, south end of Island. 10 Comment
  SBBG77784  Spergularia macrotheca var. macrotheca F. R. Fosberg 1931-4-3 4466 Los Angeles Pebbly Beach Rd 5 Comment
  SBBG125310  Sphaeropteris cooperi J. R. Clark with T. Dvorak, C. de la Rosa, S. Ratay, T. M. Summers 2011-6-23 1020 Los Angeles Twin Rocks 218 Comment
  RSA611011  Sporobolus cryptandrus L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  LA52393  Stachys albens A. M. Johnson; 1932-5-30 4096 Los Angeles Santa Monica Mountains, Brent's Mountain, Crag's Camp 152 Comment
  RSA774054  Stachys albens R. G. Swinney 2009-6-12 11135 Los Angeles Shoemaker Canyon Rd., at Blind Deer Spring in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River. 652 Comment
  UCR194283  Stachys albens R. G. Swinney 1998-8-5 6641 Los Angeles San Gabriel Mtns., Prairie Fork, c. 250 m east of confluence with Vincent Gulch 1366 Comment
  UCR243013  Stachys albens R. G. Swinney 2009-8-6 11524 Los Angeles Transverse Range; San Gabriel Mountains, Lodi Canyon Falls, first major waterfall up canyon from confluence with San Dimas Canyon, San Dimas Experimental Forest 476 Comment
  SBBG126888  Stachys rigida var. quercetorum A. Parikh, N. Gale 2011-5-12 3384 Los Angeles Chino Hills, Upper Sonome Cyn, 1.1 km S of Tonner Cyn 386 Comment
  LA200331  Stanleya pinnata Monte Lloyd; 1950-7-15 500715p 1352 Los Angeles Santa Monica Mountains, a few mi. N of Santa Monica along Pacific Coast Hwy 15 Comment
  SD186097  Stebbinsoseris heterocarpa A. C. Sanders, T. B. Salvato 2005-4-26 29719 Los Angeles Santa Clarita area, spur and northeast end of Cruzan Mesa, south of Vasquez Canyon road. 609 Comment
  RSA478170  Stellaria media Ora M. Clark 1929-1-6 1455 Los Angeles Elysian Park, L.A. Comment
  RSA660055  Stellaria media Carol Zuck 1981-2-3 4 Los Angeles 1443 A Springfield St. Upland. Comment
  UCR162054  Stephanomeria diegensis Mike Misenhelter 2005-10-5 s.n. Los Angeles Los Angeles Basin, Carson, old landfill site SE of intersection of 110 (Harbor) and 405 (San Diego) freeways, west side of Dominguez Channel and 405, east of Main St. 12 Comment
  UC495165  Stephanomeria exigua subsp. coronaria Philip A. Munz 1932-8-31 12819 Los Angeles Playa del Rey Comment
  UCD136364  Stephanomeria exigua subsp. coronaria L. D. Gottlieb 1970-9-17 7054 Los Angeles on West Liebre Lookout Road, 1/2 mile west of Tent Rock Campsite, east of Gorman. 1615 Comment
  RSA474200  Stephanomeria exigua subsp. coronaria F. R. Fosberg 1930-6-23 2945 Los Angeles Del Rey. 1 Comment
  CAS-BOT-BC375477  Stephanomeria exigua subsp. exigua Marcus E. Jones 1900-7-12 6423 Los Angeles Long Beach Comment
  RSA529199  Stephanomeria exigua subsp. exigua Timothy S. Ross, S. D. Boyd 1991-7-24 5644 Los Angeles San Gabriel Mountains, Granite Mountain: NNE slope 1902 Comment
  RSA709573  Stephanomeria pauciflora Anuja Parikh, Nathan Gale 2004-7-1 2076 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley: Newhall Ranch (study area 15), south of the river near Potrero Canyon. 305 Comment
  RSA188552  Stephanomeria spinosa R. F. Thorne, John Olmstead 1965-8-26 35371 Los Angeles Blue ridge, ca. 1/2 mi beyond junction with Angeles Crest Hwy 2255 Comment
  RSA655352  Stephanomeria virgata LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 276 Los Angeles Verdugo Mountains: Saddle where Stough Canyon Mountainway and Verdugo Mountainway meet 610 Comment
  UCR231172  Stephanomeria virgata Dan S. Cooper 2011-11-9 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, upper part of 'Boys Camp Canyon' southwest of LA Zoo 244 Comment
  UCR270110  Stephanomeria virgata R. G. Swinney 2010-9-9 13787 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
  OBI29185  Stipa hymenoides David J. Keil 1976-12-12 11901 Los Angeles 5 mi W of San Bernardino Co line along Calif Rte 138 Comment
  CATA1148  Stipa miliacea var. miliacea Mark L. Hoefs 1995-5-23 2139 Los Angeles Santa Catalina Island: Upper Middle Canyon 225 Comment
  HSC24462  Stipa pulchra Gary D. Cromwell, David Wheat 1971-5-14 675 Los Angeles San Gabriel Mts., Mystic canyon, 2 mi. NE of Glendora 595 Comment
  POM50642  Streptanthella longirostris A. D. E. Elmer 1902-06 3625 Los Angeles Lancaster. Comment
  RSA200067  Stuckenia pectinata W. Walton Wright 1968-9-16 s.n. Los Angeles Shallow Water, margin at W Lake, Los Angeles Ventura County line off Hwy 101. Comment
  CAS-BOT-BC422972  Stylomecon heterophylla A. D. E. Elmer 1903-5-1 4921 Los Angeles San Pedro Comment
  UCR246421  Suaeda calceoliformis Dan S. Cooper 2011-7-19 711- 94 Los Angeles Ballona Wetlands, Area B, main saltpan 2 Comment
  UCR119052  Suaeda taxifolia Jeremiah George 2000-1 s.n. Los Angeles South Coastal Plains Region, Rancho Palos Verdes Estates, Malaga Cove 1 Comment
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Aug 9 2011
  UC102264