Search Results — 2000 specimen records retrieved (1574 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/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA706215  Abies concolor Tim Thibault, K. E. Olshewsky 2004-5-23 296 Los Angeles Mt. Williamson. 2074 Comment
  NY29516  Abies lowiana G. R. Campbell 1952-6-8 18506 Los Angeles Big Pines Recreation Area, on road from Forest Service Headquarters to Blue Ridge, San Gabriel Mountains 2286.0 Comment
  UC1929504  Abronia maritima Mark Elvin, Michael Wall, Jennifer Stone 1996-8-8 324 Los Angeles Channel Islands; San Clemente Island: West dunes along road to S end of dunes next to ocean. Comment
  UC557644  Abronia maritima Nell Murbarger 1936-4-1 163 Los Angeles San Clemente Island Comment
  LA31659  Abronia umbellata Peter H. Raven; 1959-3-15 13858 Los Angeles Santa Monica Mountains, just E of Zuma Beach 7 Comment
  SD237521  Abronia umbellata Jeremiah George 2012-3-12 Los Angeles South Coast: Hermosa Beach, vacant lot south of 1125 Manhattan Avenue. 10 Comment
Read comments
Aug 12 2016
  SD41433  Abronia umbellata Edith A. Purer 1935-5-12 6594 Los Angeles El Segundo. Comment
  RSA0025874  Abronia umbellata Jack Rempel 1932-3-19 s.n. Los Angeles El Segundo. Comment
  RSA460986  Abronia umbellata Vesta Bruner 1940-05 s.n. Los Angeles El Segundo. Comment
  CAS-BOT-BC229295  Abronia villosa J. C. Oliver 1884-1-1 s.n. Los Angeles Antelope Valley Comment
  SFV6151  Acacia baileyana K. A. Wilson, T. Gordon, M. H. Grayum 1974-2-8 1348 Los Angeles San Fernando Valley Chatsworth. Box Canyon Road. Comment
  CATA3061  Acacia melanoxylon Vyki L. Englert, Charlie de la Rosa 2011-3-16 046 Los Angeles Santa Catalina Island: USC Marine Institution, Big Fisherman's Cove in Two Harbors, behind VIP housing, along cemented drainage 0 Comment
  UCR280871  Acamptopappus sphaerocephalus var. hirtellus R. G. Swinney 2014-5-1 16331 Los Angeles San Gabriel Mountains/Mojave Desert, NW of Valyermo, extreme west end of Holcomb Ridge, 400-500 meters NE of Valyermo Rd. and 250 m east of Big Rock Wash, 0.3 mile north of jct. of Pallett Creek Rd. and Valyermo Rd. 1110 Comment
  POM293344  Acer macrophyllum Lyman D. Benson 1945-6-5 11752 Los Angeles Cold Spring, 2.5 miles southwest of Camp Baldy on the Glendora Road. San Gabriel Mountains. Pacific Slope Drainage 1372 Comment
Read comments
Apr 7 2014
  RSA479900  Acer macrophyllum Steve D. Boyd, Thomas S. Elias 1987-4-14 2032 Los Angeles Rincon - Red Box Rd. S. of Rincon Forest Station, N. of Glendora Comment
  SFV20850  Acer negundo L. Gross, A. E. Gutman, S. Gutman 2000-9-8 267 Los Angeles San Fernando Valley Tujunga Ponds. 335 Comment
  RSA702081  Achillea millefolium Scott D. White, Pam DeVries 2004-5-18 10446 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
  UC1587731  Achillea millefolium Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5102 Los Angeles above, on rd near top of e escarpment, 1400 ft nnw of the 553 ft BM Nots Pier; San Clemente Island 138 Comment
  CAS-BOT-BC211919  Achnatherum coronatum Peter H. Raven; Henry J. Thompson; S. R. Snow 1956-6-22 9455 Los Angeles Burn below Mullholland Drive above Sepulveda Blvd., Santa Monica Mountains Comment
  RSA589242  Achnatherum coronatum Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-8 2904 Los Angeles Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats). 1250 Comment
  UC60156  Achnatherum speciosum Dr. A. Davidson Los Angeles Lancaster Comment
  RSA0044610  Achyrachaena mollis A. C. Sanders 2007-4-19 33421 Los Angeles Tehachapi Mtns. Foothills: hills north of Oso Canyon and south of the National Cement Plant. 1006 Comment
  CATA3152  Acmispon americanus Amy Catalano 2016-6-3 139 Los Angeles Santa Catalina Island: East of Wrigley Reservoir, along Airport Road 393 Comment
  CAS-BOT-BC204757  Acmispon argophyllus var. argenteus R. M. Beauchamp 1967-1-27 115 Los Angeles In area east of Wilson Cove area. San Clemente Island Comment
  SEINET5327560  Acmispon dendroideus var. dendroideus I. W. Clokey 1931-4-18 5191 Los Angeles Santa Barbara Islands; Friar's Canon; Santa Cruz Island 20 Comment
  LA91430  Acmispon glaber var. glaber Bruce Douglas Clayton; Greg Shaw 1972-3-30 30 Los Angeles Santa Monica Mountains, Temescal Canyon, Mountain Park Research Campus, halfway out Drawbridge firebreak 614 Comment
  SD240992  Acmispon maritimus R. G. Swinney 2009-3-31 10224 Los Angeles Transverse Range; San Gabriel Mountains: mouth of San Gabriel Canyon, 1.2 miles north of Foothill Blvd., Azusa/Duarte (Axusa 7.5'Q) 182 Comment
  UC1971138  Acmispon nevadensis var. nevadensis Scott D. White, D. E. Bramlet 1998-6-29 6827 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mi closed section of Hwy. 39 from ca. 1.6 mi W of junction Crystal Lk. access rd. to junction Hwy. 2. USGS Crystal Lake 7 1/2' Quad. Comment
  OBI53615  Acmispon wrangelianus A. C. Sanders & E. J. Lawlor, E. J. Lawlor 1988-4-3 7758 Los Angeles SW end of Tehachapi Mts, one mi NW of Gorman on a gasline rd, 0.4 mi above the old hwy. 1280 Comment
Read comments
Oct 21 2018
  UCR269250  Acroptilon repens Sandra L. Leatherman, Jennifer Pareti, Brian Daniels 2013-4-18 2013- 1 Los Angeles Coastal Plains and Basins; Los Angeles Basin Region, a tributary upstream of Dominguez Channel, NE of the intersection of West Artesia Blvd. and South Vermont Ave. 4 Comment
  UCR13481  Adenostoma fasciculatum 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
  RSA582795  Adenostoma fasciculatum var. fasciculatum Tim S. Ross, Steve D. Boyd 1993-5-23 7296 Los Angeles Lower, easterly ridge of Red Mtn, on northerly slope 140-220 m SE of the saddle between Ruby and Clearwater Canyons. 951 Comment
  UCR270471  Adenostoma fasciculatum var. fasciculatum R. G. Swinney 2011-7-7 15422 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
  CAS-BOT-BC65564  Adiantum capillus-veneris L. R. Abrams; I. L. Wiggins 1931-7-4 322 Los Angeles White's Landing, Santa Catalina Island Comment
  RSA729332  Adiantum capillus-veneris R. G. Swinney 1999-7-28 7574 Los Angeles East Fork San Gabriel River Canyon, c. 400 m north of Allison Gulch. 732 Comment
  CAS-BOT-BC65634  Adiantum jordanii L. R. Abrams; I. L. Wiggins 1931-7-6 368 Los Angeles Vicinity of Mosquito Harbor Comment
  UCR45201  Aeonium haworthii A. C. Sanders 1986-7-30 6836 B Los Angeles Pacific Slope, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr., east of Vista Del Mar Blvd 31 Comment
  UCR255504  Agoseris grandiflora Dan S. Cooper 2014-5-19 514- 12 A Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, east slope of Beacon Hill, east of Fern Cyn. 190 Comment
  SEINET2028626 Image available Agoseris heterophylla Marcus E. Jones, A. M. 1882-5-3 3222 Los Angeles Pasadena Comment
  POM33864  Agoseris heterophylla var. heterophylla Marcus E. Jones 1882-5-3 s.n. Los Angeles Pasadena. Comment
  UCR194188  Agoseris retrorsa R. G. Swinney 1998-7-29 6544 Los Angeles San Gabriel Mtns., c. 100 m downstream from Upper Fish Fork Campground 1817 Comment
  CHSC100222  Agrostis viridis John Dittes; Josephine Guardino 2006-11-26 1436 Los Angeles Western Transverse Range; San Gabriel Mtns.; Big Tujunga Cyn; ca. 2.7 air-miles SE of Mt. McKinley, ca. 3.8 air-miles W of Big Tujunga Reservoir, ca. 3.6 air-miles NE of Mt. Gleason Jr. High School; moist sand at edge of Big Tujunga Creek near Delta Flat Picnic Area. 512 Comment
  UC520035  Agrostis viridis Joseph Andorfer Ewan 1932-6-28 7512 Los Angeles Hyperion Bridge Los Angeles River (about pool in river bed) Comment
  RSA248876  Alchemilla occidentalis Robert F. Thorne 1973-4-12 42968 Los Angeles San Clemente Island: large canyon S. of Mosquito Cove N. of Chenity. 305 Comment
  HSC24294  Aliciella latifolia Girina Chen 1971-5-2 24 Los Angeles 15 mi. E of Palmdale, 3 mi. N of Hwy. 138 on 167th St. in Mojave Desert 854 Comment
  RSA586482  Allium burlewii Orlando Mistretta, Mark Elvin 1995-6-20 1816 Los Angeles Bare Mountain Canyon. 1845 Comment
  RSA239426  Allium fimbriatum var. fimbriatum C. W. Tilforth, John Dourley 1973-5-24 809 Los Angeles 2.3 mi. NW of Mile High, above Shoemaker Canyon, north edge of San Gabriel Mountains. Comment
  RSA765045  Allium haematochiton Doris Bowers 1957-3-10 845 Los Angeles Rocky Point, LaVerne. 335 Comment
  UCR108205  Allium haematochiton Steve Boyd, Valerie Soza 1998-4-28 10154 Los Angeles Liebre Mtns., Plum Canyon SW of Cruzan Mesa along Arline Road, c. 2 mi west of the junction w/ Sierra Hwy in Mint Canyon, top of ridge on the south side of the canyon. 634 Comment
  RSA252869  Allium lacunosum var. davisiae Robert F. Thorne 1973-5-11 43507 Los Angeles North of Shoemaker Canyon between Mile High and Valyermo. 1341 Comment
  LA21590  Allium peninsulare Carl Epling; M. Epling 1925-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA367121  Allium praecox F. R. Fosberg 1931-4-13 692 Los Angeles Santa Catalina Island, near Avalon. 60 Comment
  SBBG12951  Allium praecox E. R. Blakley 1962-6-10 5243 Los Angeles 0.25 mi up cyn from its mouth; cyn half way between Eel Pt and Seal Cove 45 Comment
  RSA410058  Allophyllum divaricatum F. R. Fosberg 1930-7-3 53080 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 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
  UCR261550  Alnus rhombifolia R. G. Swinney 2010-2-27 11716 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
  RSA402954  Amaranthus albus Robert Gustafson 1980-8-29 1872 Los Angeles Ballona Wetlands, Area 3 Infrequent and scattered in Area 3. Comment
  UCR223317  Amaranthus blitoides R. G. Swinney 2009-6-28 11291 Los Angeles Transverse Range; San Gabriel Mtns./San Gabriel Valley, San Gabriel River Wash, Azusa/Duarte border, 0.5 mi. north of Puente Largo railway bridge, on east side of main channel, 1 mi. north of Foothill Blvd. on east side of El Encanto Parkway 194 Comment
  POM724  Amaranthus blitoides W. R. Shaw 1900-7-2 78 Los Angeles Claremont. Comment
  RSA747395  Amaranthus hybridus A. C. Sanders 2009-5-20 36873 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
  SEINET6738705 Image available Amblyopappus pusillus G. B. Grant, W. Wheeler 1904-4-21 38 /4682 Los Angeles Santa Catalina Island, Pacific Ocean, off coast of S California Comment
  UC729789  Amblyopappus pusillus Carl B. Wolf 1932-5-11 3569 Los Angeles w side of (at point) Fourth O'July Cove; Santa Catalina Island 30 Comment
  UCR68917  Amblyopappus pusillus Steve Boyd, T. Ross, et al 1990-4-7 4221 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  RSA0114714  Ambrosia acanthicarpa R. G. Swinney 2011-10-25 15889 Los Angeles San Gabriel Mountains; south end of Coldbrook Campground, along Coldbrook Cr., from 50 m south to 100 m north of Hwy 39. 1006 Comment
  SBBG45022  Ambrosia acanthicarpa J. Snow 1932-1 Los Angeles Bryant Ranch, near Long Beach; T4S, R11W, SE/2 S27 Comment
  RSA416934  Ambrosia chamissonis Richard Arnold 1984-8-10 1020 Los Angeles LAX Dunes, Playa del Rey (El Segundo Blue survey) Area V2 and V1. Comment
  UCR109688  Ambrosia confertiflora R. D. Goeden, Don W. Ricker 1970-6-10 s.n. Los Angeles San Gabriel Mtns., Arcadia, NE side of Colorado Place between Oakhurst Lane and Colorado Blvd., just north of Santa Anita Park 152 Comment
  RSA582645  Amorpha californica Katherine Kneen 1933-5-14 s.n. Los Angeles Topanga Canyon. Comment
  RSA91342  Amorpha californica var. californica Raymond J. Dobbs 1927-6-22 7683 Los Angeles Arroyo seco, near Watermans Station, south slope of San Gabriel mtns. 1006 Comment
  RSA0079992  Amsinckia douglasiana L. C. Wheeler 1932-3-20 508 Los Angeles Head Mandeville Canyon. 457 Comment
  SEINET4070712  Amsinckia intermedia R. Moran 1941-1 569 Los Angeles Middle Ranch, San Clemente Island. 500 Comment
  UCR124404  Amsinckia intermedia B. C. Templeton 1968-2-25 11391 Los Angeles Channel Islands, Santa Catalina Island, near the isthmus 76 Comment
  RSA0079968  Amsinckia intermedia P. H. Raven 1962-4-10 17220 Los Angeles San Clemente Island: Summit ridge about 2 miles north of Thirst. 488 Comment
  UC723857  Amsinckia menziesii var. menziesii Louis C. Wheeler 1934-3-31 2495 Los Angeles La Verne 304 Comment
  UCR154355  Amsinckia tessellata A. C. Sanders 2005-5-5 29904 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road at NE end of mesa 640 Comment
  RSA717065  Amsinckia tessellata var. tessellata Andrea Edwards, Pam De Vries 2006-4-11 63 Los Angeles Lebec USGS quad; triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  SBBG128303  Anagallis arvensis M. Zou, A. Cheung, D. Kasang, S. Lawrence-Gomez, S. Ratay 2011-7-8 28 Los Angeles Deer Valley Trail 62 Comment
  SFV22005  Anagallis arvensis V. Soza, L. Gross, A. Munoz 2000-5-12 886 Los Angeles Verdugo Mountains Northeast side of Verdugo Mountains. Glendale, Engleheard Canyon, Camp Max Strauss at end of Shirlyjean Street. Fire road south from Engleheard Canyon to power lines. East-northeast-facing slope alongside trail to fire road, near junction. 396 Comment
  RSA786392  Anagallis arvensis Doris Bowers 1957-4-25 216 Los Angeles LaVerne College, LaVerne 320 Comment
  RSA628704  Ancistrocarphus filagineus L. C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mountains: East side Little Tujunga Canyon, 3/4 mile south southeast Herreres Ranch. 548 Comment
  CLARK-A1528-1547  Anisocoma acaulis John C. Roos 1952-5-17 5678 Los Angeles Mojave Desert 914 Comment
  RSA601118  Anthemis cotula L. C. Wheeler 1967-6-26 9910 Los Angeles San Gabriel Mountains : Placerita Canyon; ca. 1/4 mile E of highway 457 Comment
  UCR150896  Anthriscus caucalis Valerie Soza, Kent Hughes 1999-6-17 531 Los Angeles Transverse Ranges; San Gabriel Mountains, Chantry Flat, off road 2N41, west of water tank 701 Comment
  UCR61563  Anthriscus caucalis R. G. Swinney 1989-5-20 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park, 'Water Pipe Canyon' [=Pavil Cyn] a tributary of Big Dalton Canyon 451 Comment
  UC2042125  Antirrhinum coulterianum Orlando Mistretta 1990-7-2 s. n. Los Angeles Transverse Ranges; San Gabriel Mountains region: Bear Flat. Comment
  RSA425825  Antirrhinum kelloggii Bonnie C. Templeton 1939-4-26 s.n. Los Angeles Huntington Palisades, Santa Monica Mountains. Comment
  JEPS83291  Antirrhinum multiflorum David M. Thompson 1983-8-1 382 Los Angeles vicinity Red Box Gap and Red Box Gap Ranger Station (about 0.1 mi w on Hwy 2 (Angeles Crest Hwy) from its junction with road to Mt. Wilson Observatory, Chilao Flat Quad. (7.5', 1959)); Angeles National Forest, San Gabriel Mts. 1432 Comment
  UCR213779  Antirrhinum multiflorum Scott D. White, Justin M. Wood 2009-5-6 12651 Los Angeles San Gabriel Mountains, San Gabriel River - West Fork, dirt road between Cogswell Dam and fill slope on the south side of Cogswell Reservoir 808 Comment
  RSA188297  Antirrhinum nuttallianum subsp. subsessile Robert F. Thorne 1966-6-2 36519 Los Angeles Santa Catalina Island. Road leading to White's Landing, E of Black Jack Mt. 213 Comment
  SBBG113118  Aphanes occidentalis S. A. Junak 1997-3-27 SCa 348 Los Angeles Avalon Cyn, along lower part of Hermit Gulch Trail 109 Comment
  CATA698  Apiastrum angustifolium Mark L. Hoefs 1991-5-3 1193 Los Angeles Santa Catalina Island: Bluff between Hamilton Cove and Descanso Beach 82 Comment
  UC1375368  Apiastrum angustifolium C. Davidson 1971-5-7 1506 Los Angeles Catalina Is. N facing slope at Ben Western Beach. Comment
  UCD127223  Apiastrum angustifolium A. C. Sanders; T. B. Salvato 2005-4-26 29707 Los Angeles Western San Gabriel/Liebre Mountains Region: Santa Clarita area, Plum Canyon Road in Mint Canyon, northwest of Forest Park and south of Cruzan Mesa. 595 Comment
  UCR126648  Apiastrum angustifolium A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26123 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
  UC284184  Apiastrum angustifolium P. A. Munz 1923-4-9 6675 Los Angeles 6 mi se of Casa Blanca (San Clemente Island); San Clemente Island Comment
  RSA156191  Apium graveolens L. R. Abrams 2529 Los Angeles Ballona creek near Mesmer. Comment
  RSA587993  Aquilegia formosa Orlando Mistretta, Tim S. Ross 1994-6-1 1302 Los Angeles San Gabriel Mountains: Santiago Canyon. 1610 Comment
  UCR181355  Arabis pulchra R. G. Swinney 1997-6-13 5588 Los Angeles San Gabriel Mtns, ridge NE of Table Mountain (peak 7473 ft.), c. 0.4 mi. west of San Bernardino Co. line 2195 Comment
  UCR213951  Arabis pulchra var. gracilis Dave Silverman, Cindy Hopkins 2007-4-27 6781 Los Angeles Tejon Ranch, W of California Aqueduct, N of Oso Canyon, 0.8 miles SSE of National Cement and 600m NE of Oso 3804 benchmark 1052 Comment
  UCR145171  Arabis sparsiflora June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek Fire Station, Fenner Canyon 1616 Comment
  CAS-BOT-BC482466  Arbutus menziesii R. G. Swinney 2010-8-16 13566 Los Angeles San Gabriel Mountains: 1.0 mi NW of Chantry Flats on N side of Winter Creek Trail 768 Comment
  RSA0098966  Arceuthobium divaricatum Robert L. Mathiasen 2015-8-16 1383 Los Angeles 3.2 km N of Big Pines Road on Mescal Cyn. Road. 1600 Comment
  CAS-BOT-BC410155  Arceuthobium occidentale Louis C. Wheeler 1932-4-9 579 Los Angeles Kings Canyon, Elizabeth Lake Region 1036 Comment
  RSA575507  Arctostaphylos R. G. Swinney 1993-7-21 2520 Los Angeles San Sevaine Flats, ca. 300m W of San Sevaine well, 8.2 miles NW of Lytle Creek Road. 1695 Comment
Read comments
Aug 4 2019
  CAS-BOT-BC23858  Arctostaphylos catalinae Lester Rowntree 1938-3-17 s.n. Los Angeles Catalina Island Comment
  RSA641310  Arctostaphylos gabrielensis Orlando Mistretta, Mark Elvin 1995-3-30 1584 Los Angeles San Gabriel Mountains: Mill Creek Summit; on summit just west of Angeles Forest Highway on Pacific Crest Trail. Comment
  RSA626721  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley 1993-11-15 25165 Los Angeles Shortcut, Angeles Crest Hwy. 1430 Comment
  SBBG121239  Arctostaphylos glandulosa subsp. mollis V. Soza, I. Anderson, L. Gross 2000-6-6 990 Los Angeles Verdugo Motorway, E of jct w/ Stough Cyn Motorway, above Stough and Wildwood cyns, W side of PK "2642" 762 Comment
  UC1120255  Arctostaphylos glandulosa subsp. mollis P. L. Johannsen 1934-1-27 246 Los Angeles 1 1/2 mi e Oat Mountain; Santa Susana Quadrangle Comment
  POM367308  Arctostaphylos glauca I. M. Johnston 1929-4-7 s.n. Los Angeles near Pleasant View Ridge 1067 Comment
  RSA589300  Arctostaphylos glauca T. S. Ross 1990-6-8 2902 Los Angeles Upper Big Tujunga Canyon: ridge and slopes descending +/-ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats). 1250 Comment
  RSA631620  Arctostaphylos glauca Jon E. Keeley 1982-7-29 7801 Los Angeles Study site, Aliso Canyon. Comment
  RSA631706  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20262 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 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
  UCR197229  Arctostaphylos glauca Valerie Soza, Ileene Anderson, LeRoy Gross 2000-6-6 991 Los Angeles Verdugo Mountains, southwest side, along Verdugo Mtwy, east of junction with Stough Canyon Mtwy, above Stough and Wildwood canyons, west side of peak ''2642' 838 Comment
  RSA634922  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20534 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA635090  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20412 Los Angeles Road to Sulphur Springs Campground, 1.7 km north of dirt road to Pacifico Mtn., north of Chilao.Hwy 79, 4 km southeast of Julian, northwestern Laguna Mtns. 1600 Comment
  RSA635110  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20435 Los Angeles Road to Sulphur Springs Campground, 0.2 km north of dirt road to Pacifico Mtn., north of Chilao, San Gabriel Mtns. 1650 Comment
  RSA635152  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20527 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  UCR277153  Argemone munita R. G. Swinney 2011-6-15 15205 Los Angeles San Gabriel Mountains, Chilao Flat, north of south entrance road to Chilao Flat Campground, 0.1 mile west of Angeles Crest Hwy 1631 Comment
  SEINET4342625  Aristida divaricata F. L. Scribner s.n. Los Angeles Pasadena Comment
  UCD56356  Aristida longespica var. geniculata P. B. Dickey 1939-7-28 723 Los Angeles Littlerock SCS nursery. 853 Comment
  SBBG62486  Artemisia R. Hoffmann 1927-8-31 Los Angeles Oak's Garage, Mint Cyn Comment
  SBBG53930  Artemisia californica K. R. Montgomery, T. W. Strid 1973-8-22 73 -177 Los Angeles Dillon Divide, site of LASCA Cistus field plot Comment
  UC53903  Artemisia californica Ernest Braunton 1902-9-1 690 Los Angeles Ballona Slough Comment
  CAS-BOT-BC90343  Artemisia douglasiana Joseph Ewan; Nesta Ewan 1936-8-2 9905 Los Angeles Mescal Canyon, San Gabriel Mts. 1615 Comment
  SBBG62499  Artemisia douglasiana R. Hoffmann 1927-9-23 Los Angeles Oak's Garage, Mint Cyn Comment
  SEINET13386998 Image available Artemisia douglasiana R. G. Swinney 2011-1 15662 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), c. 300 meters north of lodge along service rd. (Chilao Flat 7.5' Q.) (T3N R12W S35) 1073 Comment
  UC1587562  Artemisia douglasiana Tim Ross and Annette H. Ross 1991-9-7 5958 Los Angeles near Yerba Buena Road <crossing> Mulholland Highway; Santa Monica Mountains Comment
  RSA0098364  Artemisia dracunculus R. G. Swinney 2011-11-1 15943 Los Angeles San Gabriel Mountains: confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 634 Comment
  RSA529901  Artemisia dracunculus Timothy S. Ross 1991-8-16 5809 Los Angeles along Angeles Crest Hwy., 1/5 mile from Mt. Sally summit 1524 Comment
  HSC46398  Artemisia nesiotica M. B. Dunkle 1939-5-28 8126 Los Angeles East side, lower terrace, Santa Barbara Island Comment
  CLARK-A1528-5600  Artemisia tridentata subsp. parishii John C. Roos 1949-11-27 4704 Los Angeles Antelope Valley 822 Comment
  UCD166193  Asclepias Jack Major 1962-4-15 758 Los Angeles On road to Big Pines above Valyermo, north side of San Antonio Peak. (Exact location unknown. Coordinates estimated by label maker.) 1390 Comment
  UCR150470  Asclepias californica R. G. Swinney 1999-6-21 7391 Los Angeles San Gabriel Mtns., Boulder Canyon, upper end near Hwy 2 1854 Comment
  RSA785817  Asclepias fascicularis K. Dobry 1990-3-25 229 Los Angeles Simi Hills at Dayton Canyon Comment
  UCR272555  Asclepias fascicularis R. G. Swinney 2011-10-27 15900 Los Angeles San Gabriel Mountains, West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream 649 Comment
  SBBG128809  Asparagus asparagoides M. L. Hoefs, S. A. Junak, R. Philbrick, S. Chaney 1996-2-14 2589 Los Angeles Falls Cyn, above city warehouse and other buildings, below reservoir 57 Comment
  CAS-BOT-BC68858  Aspidotis californica John Thomas Howell 1928-2-9 3324 Los Angeles San Gabriel Mts. - On trail between Sierra Madre and Santa Anita Canyon Comment
  POM6785  Aspidotis californica Hilda Wood 1901-3-10 s.n. Los Angeles Glendora Comment
  POM938  Aspidotis californica L. R. Abrams 1901-4-15 1499 Los Angeles Wilson's Trail Comment
  RSA225896A  Aspidotis californica R. F. Thorne, A. C. Gibson 1971-5-22 39767 Los Angeles San Gabriel Mts., Angeles National Forest: upper Fish Canyon near Falls 396 Comment
  POM4796  Aster greatae I. M. Johnston 1917-9-16 1725 Los Angeles Coldwater Fork of [Cattle] Cow Canyon 1219 Comment
  RSA417669  Aster greatae L. E. Hoffman 1927-8-19 s.n. Los Angeles Clear Creek, Angeles National Forest. Comment
  POM4774  Aster hesperius I. M. Johnston 1918-10-21 2162 Los Angeles El Monte. Comment
  CAS-BOT-BC180498  Astragalus brauntonii G. P. Rixford 1928-5-20 s.n. Los Angeles Monrovia Comment
  RSA90190  Astragalus coccineus F. W. Peirson 1926-4-27 6663 Los Angeles Rock Creek, north base of San Gabriel Mts. 1220 Comment
  CAS-BOT-BC177827  Astragalus curtipes Marcus E. Jones 1903-5-15 s.n. Los Angeles Catalina Island 30 Comment
  UC13354  Astragalus didymocarpus var. dispermus J. Burtt Davy May 9 1896-May 24 1896 2629 Los Angeles Leonis Valley , Antelope Valley (Antelope Valley, in Cienega) Comment
  POM9689  Astragalus didymocarpus var. dispermus F. W. Peirson 1919-5-11 398 Los Angeles Arraster [Arrastre] Creek, north slope of San Gabriel Mts. 853 Comment
  RSA415479  Astragalus douglasii var. douglasii W. Hutchinson 1921-5-1 s.n. Los Angeles Mt. Gleason Comment
  SD178160  Astragalus gambelianus A. C. Sanders 2003-4-17 26066 Los Angeles Northeast end of Santa Susana Mtns.: Newhall Ranch, ca. 1 km south of Magic Mountain amusement park and north of the powerlines. At foot of slope on canyon bottom. 395 Comment
  RSA596973  Astragalus leucolobus R. G. Swinney 1996-5-27 4864 Los Angeles Eastern San Gabriel Mountains: N of Wrightwood, E of Table Mountain, ca. 0.25 mile SE of Smithsonian Observatory 2195 Comment
  CAS-BOT-BC194076  Astragalus preussii A. D. E. Elmer 1902-6-1 3669 Los Angeles Lancaster Comment
  RSA90754  Astragalus pycnostachyus var. lanosissimus F. W. Peirson 1951-7-19 591 Los Angeles Playa del Rey, coast of Los Angeles Co. Comment
  CATA1670  Astragalus trichopodus var. lonchus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-7-17 2961 Los Angeles Santa Catalina Island: Mouth of Silver Canyon, 1/16 to 1/8 mile from beach 9 Comment
  RSA90709  Astragalus trichopodus var. lonchus F. W. Peirson 1908-4-18 7695 Los Angeles Point Fermin Comment
  SD41988  Astragalus trichopodus var. phoxus Darley F. Howe 1947-5-3 Los Angeles Mint Canyon Comment
  UCR238096  Astragalus trichopodus var. phoxus Mark A. Elvin, Scott Boczkiewicz 2003-5-15 2784 Los Angeles Western Transverse Range; Santa Susana Mountains, Newhall Ranch, crest of mountains at head of Salt Creek watershed, near Ventura Co. line 884 Comment
  CAS-BOT-BC200830  Astragalus trichopodus var. trichopodus Marcus E. Jones 1924-4-25 s.n. Los Angeles Brea Canyon Comment
  RSA482795  Athysanus pusillus Anstruther Davidson 1892-04 s.n. Los Angeles Los Angeles. El Monte. Comment
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Oct 3 2010
  RSA727643  Atriplex amnicola Tim Searl 2007-10-15 151007 -4 Los Angeles South Coast: Malibu Lagoon near Malibu Colony along state park access road, just above water line; west of highway and north of Malibu Creek. 1 Comment
  LA30868  Atriplex californica Peter H. Raven; Jane Turner, Barbara Whitesel 1959-3-15 c 160 Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  RSA279135  Atriplex californica R. F. Thorne 1974-9-13 45088 Los Angeles Santa Catalina Island: Inside Ballast Point, Catalina Harbor. 2 Comment
  SEINET6045579  Atriplex canescens Louis C. Wheeler 1956-9-15 7240 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  RSA741476  Atriplex halimus R. E. Riefner 2007-9-23 7 -405 Los Angeles Palos Verdes Peninsula, Palos Verdes Dr. West, vicinity of Bluff Cove to Malaga Cove. 98 Comment
  CAS-BOT-BC170115  Atriplex lentiformis Peter H. Raven 1957-9-21 11347 Los Angeles Along ocean cliffs, Pacific Palisades Comment
  UC494401  Atriplex nummularia Philip A. Munz 1932-8-31 12818 Los Angeles on sandy sea-bluff Playa del Rey Comment
  UCR95365  Atriplex polycarpa Steve Boyd, Lauren Raz 1996-10-8 9020 Los Angeles Liebre Mountains, Bouquet Canyon, south of Vazquez Canyon and NW of Cruzan Mesa, along Vazquez Canyon Road, c. 0.9 mi east of jct with Bouquet Canyon Road 524 Comment
  SBBG32240  Atriplex prostrata R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -245 Los Angeles Little Harbor Comment
  RSA303592  Atriplex semibaccata J. R. Shevock 1972-9-16 2275 Los Angeles Point Dume. 6 Comment
  CAS-BOT-BC176587  Atriplex serenana var. davidsonii Le Roy Abrams 1899-4-1 206 Los Angeles Mesmer Comment
  LA31607  Atriplex triangularis Peter H. Raven; Henry J. Thompson 1959-10-18 14660 Los Angeles Santa Monica Mountains, Topanga Canyon, Coast highway at mouth of canyon 4 Comment
  RSA670941  Avena barbata Joseph M. Keefe 2001-1-19 30938 Los Angeles End of sidewalk along Eagle Rock View Drive, south facing slope, south face of the Eagle Rock., 34 deg 08' 33.9''N, 118 deg 11' 01.2'' W 293 Comment
  SEINET3127980  Avena barbata G. B. Grant 1905-4-9 87 Los Angeles Pasadena Comment
  SEINET3919640  Avena barbata L. M. Prince 2002-3-26 02 -294 Los Angeles Claremont. Foothill Blvd. near Bernard Field Station.; 0 400 Comment
  RSA385399  Avena fatua Samuel Pusateri 1941-7-17 s.n. Los Angeles Griffith Park, Los Angeles. Comment
  RSA549569  Baccharis pilularis Timothy S. Ross 1991-3-10 4221 Los Angeles Claremont: Bernard Field Station, on E side of RSA 392 Comment
  RSA550720  Baccharis pilularis Timothy S. Ross, Annette Ross 1991-7-29 5695 Los Angeles Elephant Hill, N most point of the Puente Hills, W Pomona. 229 Comment
  CAS-BOT-BC106763  Baccharis salicifolia Carl B. Wolf 1932-9-16 4095 Los Angeles Bryant Ranch, 100-150 ft. W. of State Highway, at extreme SE corner of Pacific Western Oil Co. lease. 3 Comment
  LA88393  Baccharis salicifolia O. H. Kappler; 1943-4-28 379 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  RSA702251  Baccharis salicifolia Gary D. Wallace 1984-12-9 2158 Los Angeles Monrovia: Gold Hill 274 Comment
  RSA799802  Baccharis salicifolia Pam De Vries 2013-4-3 7830 Los Angeles Tehachapi Muntains/Western Transverse Range (Gorman Hills). About 0.5 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Rd. 1032 Comment
  SD236177  Baccharis salicifolia Sandra Murcia, Gregg Miller 2006-3-10 Los Angeles South Coast: Palos Verdes Peninsula, NW corner of the intersection of Crestridge Road and Crenshaw Boulevard in the city of Rancho Palos Verdes 305 Comment
  UCR259100  Baccharis salicifolia Mitch Provance, Callen Huff 2009-4-29 10687 Los Angeles Tehachapi Mountains, Tejon Ranch, south of Lebec, lower slopes above Interstate 5, about 0.7 miles east of Gorman; site PO1088/1090 1230 Comment
  CAS-BOT-BC106761  Baccharis salicifolia A. D. E. Elmer 1902-6-1 3701 Los Angeles Acton Comment
  RSA0034696  Baccharis salicifolia Carl B. Wolf 1932-5-10 s.n. Los Angeles Santa Catalina Isl. Avalon canyon, above the last almond orchard. 122 Comment
  UC1215157  Baccharis salicifolia subsp. salicifolia Peter H. Raven 1962-5-8 17629 Los Angeles opposite of Wilson Cove (dunes on w side 0.3 mi from ocean); San Clemente Island 12 Comment
  UC1483353  Baccharis salicifolia subsp. salicifolia Robert F. Thorne and D. Propst 1974-9-12 45097 Los Angeles Thompson Reservoir Santa Catalina Island 213 Comment
  RSA0073384  Balsamorhiza deltoidea Mitch Provance, Callen Huff 2009-4-28 10715 Los Angeles Tehachapi Mountains: Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 1.3 miles ENE of Gorman; site PO1086. 1371 Comment
  JEPS31166  Balsamorhiza deltoidea Ernest C. Twisselmann 1962-4-18 6970 Los Angeles at Oso Corrals (Oso Canyon, Tejon Ranch); Oso Canyon 1005 Comment
  RSA423222  Bassia hyssopifolia H. L. Bauer 1928-10-15 s.n. Los Angeles Long Beach. Comment
  SBBG128198  Bassia hyssopifolia M. G. Simpson, A. Russell, J. Dunn 2000-7-20 2191 Los Angeles disturbed area S of rd at northern tip of island, W of NW Harbor 15 Comment
  LA29174  Berberis nevinii Mary V. Hood; 1941-3-11 41- 16 k* Los Angeles San Gabriel Mountains, Lopez Canyon 457 Comment
  RSA438416  Bergerocactus emoryi Anonymous, Hancock Expedition 1939-2-18 s.n. Los Angeles San Clemente Island Comment
  UC53911  Bidens laevis Ernest Braunton 1902-10-1 728 Los Angeles Oak Knoll Comment
  CAS-BOT-BC101987  Bidens pilosa P. A. Munz 1918-5-19 2260 Los Angeles Claremont Comment
  CAS-BOT-BC100265  Blennosperma nanum var. nanum A. J. McClatchie 1897-3-25 s.n. Los Angeles Near Gardena Comment
  SEINET10570447  Bloomeria aurea Hermann E. Hasse Hasse s.n. 1890 Los Angeles Open hills and plains 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
  RSA604391  Bloomeria crocea Sara L. Crockett, Steven A. Junak, Mark Haefs, Janet Takara 1997-3-28 614 Los Angeles Santa Catalina Island. S of Two Harbors on Cat Harbor Road. 30 Comment
  SFV671  Bloomeria crocea R. L. Armacost Apr 1934 s. n. Los Angeles Santa Monica. Vacant hillside. Comment
  UCR169484  Bloomeria crocea Kathleen Stockwell 2005-5-4 121 Los Angeles San Gabriel Mtns Foothills, North Claremont, Palmer Canyon N of Palmer Canyon Road at Via Padova, just N of Padua Hills Theater 610 Comment
  CAS-BOT-BC15866  Boechera arcuata George Loucks Moxley 1917-3-11 533 Los Angeles Pacoima Canyon near San Fernando. Comment
  RSA649611  Boechera californica Lori Ackerman, Gerald Braden 1988-4-22 16 Los Angeles North end of West Fork [San Gabriel] River. Comment
  RSA0129467  Boechera pulchra R. G. Swinney 1999-6-18 7309 Los Angeles San Gabriel Mtns.; Big John Flat, northern edge 1652 Comment
  SBBG72404  Boechera pulchra R. Hoffmann 1925-4-19 Los Angeles Bouquet Cyn Comment
  CATA568  Bothriochloa barbinodis Mark L. Hoefs, Robert F. Thorne 1975-8-8 836 Los Angeles Santa Catalina Island: By road above Pebbly Beach 152 Comment
  LA8054-  Bothriochloa barbinodis Carl Epling; L. Ellison 1929-4-27 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  UCR51492  Bougainvillea glabra A. C. Sanders 1987-12-4 7580 Los Angeles Pacific slope, El Segundo Dunes, west of Los Angeles International Airport and Pershing Dr 38 Comment
  RSA656077  Bowlesia incana James Henrickson 1985-3-30 19756 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
  UC1952546  Bowlesia incana Reid Moran 1941-2-17 576 Los Angeles Middle Ranch, San Clemente Island. 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
  RSA584329  Boykinia rotundifolia T. S. Ross, Walter Appleby 1993-6-7 7368 -A Los Angeles W end of San Gabriel Mtns: Los Pinetos Spring 887 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
  UCR194256  Boykinia rotundifolia R. G. Swinney 1998-8-5 6662 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch 1235 Comment
  SD52980  Brachypodium distachyon Peter H. Raven 1962-5-20 17771 Los Angeles Santa Catalina Island; road above Pebbly Beach 60 Comment
  RSA0072140  Brassica Carol Frazier 1966-6-3 s.n. Los Angeles SanRafael Hills. 274 Comment
  RSA0081637  Brassica geniculata R. G. Swinney 2010-9-9 13751 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  RSA0066335  Brassica nigra Steve Boyd, Timothy S. Ross, Lauren Raz, Dylan Hannon 1997-2-11 9130 Los Angeles Liebre Mountains region, along Old Ridge Route north of Templin Highway and east of Osito Canyon. 981 Comment
  SBBG17796  Brassica rapa P. H. Raven 1962-5-8 17618 Los Angeles barracks area, Wilson Cove 91 Comment
  CAS-BOT-BC100415  Brickellia californica Grant 1898-3-24 1739 Los Angeles Pasadena - beyond Arroyo Seco Comment
  RSA522933  Brickellia californica Timothy S. Ross, Orlando Mistretta 1990-10-24 3297 Los Angeles San Gabriel Mountains: between Venedo and Minero Canyons, 0.6 mi E of the San Gabriel Reservoir. 745 Comment
  RSA5991  Brickellia californica C. B. Wolf 1932-10-4 4225 Los Angeles Santa Catalina Island; above the Amphitheater, Avalon 30 Comment
  SBBG66134  Brickellia californica R. Hoffmann 1927-9-21 Los Angeles Ridge Route (US Hwy 99) Comment
  UC527673  Brickellia californica C. B. Wolf 1931-10-20 Los Angeles 1/2 mi above, on road from Tujunga to La Canada Montrose; San Gabriel Mts. 457 Comment
  RSA94119  Brickellia californica F. W. Peirson 1918-9-7 221 Los Angeles Upper end of Eaton Canyon 1524 Comment
  CAS-BOT-BC106128  Brickellia nevinii Joseph Andorfer Ewan 1937-8-15 10958 Los Angeles Jct. West Fork with No. Fork San Gabriel River - San Gabriel Mts. 609 Comment
  POM46873  Brickellia nevinii F. W. Peirson 1924-12-5 5382 Los Angeles San Gabriel Peak at head of Eaton Canyon 1646 Comment
  UCR147848  Brickellia nevinii L. C. Wheeler 1953-9-12 7051 Los Angeles San Gabriel Mountains, South fork Big Rock Creek, near mouth Comment
  SEINET12053181  Brodiaea coronaria Unknown 1933-1 8465 Los Angeles near Los Angeles Comment
  CAS-BOT-BC149415  Bromus berteroanus G. B. Grant 1903-4-7 s.n. Los Angeles Glen Way near Los Angeles. Comment
  LA18863  Bromus berteroanus Carl Epling; 1931-1 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA385297  Bromus carinatus Gary D. Wallace 1979-5-3 1840 Los Angeles L.A. County Arboretum, Arcadia. Comment
  CAS-BOT-BC148917  Bromus carinatus var. marginatus Elizabeth McClintock 1965-7-2 s.n. Los Angeles San Gabrile Mountains. Table Mountain, above Wrightwood. 2133 Comment
  CATA763  Bromus diandrus Mark L. Hoefs 1991-5-28 1302 Los Angeles Santa Catalina Island: At Black Jack Campground 490 Comment
  RSA276052  Bromus diandrus Jack Delaini 1974-4-5 110 Los Angeles Angeles National Forest: Lodi Canyon, San Dimas Experimental Forest 381 Comment
  RSA649917  Bromus diandrus Matt Brooks 1988-5-12 68 Los Angeles Hacienda Heights, Oak Canyon Dr. 0.1 miles south of its intersection with Turnbull Canyon Rd. Comment
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Aug 12 2014
  RSA718059  Bromus diandrus R. G. Swinney 1997-8-19 5816 Los Angeles Antonio Peak (=Lookout Mtn.), ridge E of Cattle Canyon and W of the west fork of Bear Canyon. 2077 Comment
  LA33363  Bromus diandrus Peter H. Raven; 1959-4-4 13965 Los Angeles SANTA MONICA MOUNTAINS, just E of Zuma Beach. 30 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
  CAS-BOT-BC155523  Bromus hallii Victor Duran 1933-7-20 3521 Los Angeles San Gabriel Mountains. Buckhorn. 1981 Comment
  RSA596890  Bromus hordeaceus Timothy S. Ross, J. Mark Porter 1995-5-4 8514 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  RSA660813  Bromus hordeaceus Gerald Braden 1988-5-22 36 Los Angeles Strawberry Peak., UTM 379652 N. 39744 E. [inaccurate UTM] Comment
  RSA534156  Bromus hordeaceus subsp. molliformis Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5053 Los Angeles San Clemente Island: flats SE of air terminal (New airfield, N end of island). 64 Comment
  UCR198386  Bromus madritensis Valerie Soza, LeRoy Gross, A. Munoz 2000-5-12 903 Los Angeles Transverse Ranges; 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
  SBBG131138  Bromus madritensis S. A. Junak 1999-5-21 SCa 964 Los Angeles ridge just E of KBRT Radio Station, along S side of Airport Rd, on E side of KBRT Valley 445 Comment
  UC50606  Bromus madritensis subsp. rubens J. H. Barber 135 Los Angeles Pomona, Agriculture Experiment Station Pomona; , Agriculture Experiment Station Comment
  UCSB37848  Bromus pseudolaevipes Raven, Peter 1960-5-21 Los Angeles Triunfo Canyon; Santa Monica Mtns 259 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
  RSA650441  Bromus rubens Vernon Cliffe 1948-5-13 s.n. Los Angeles found growing in flood control nr. Gladstone St. Bridge. 3 miles W. of San Dimas. 259 Comment
  UCR258737  Bromus rubens R. G. Swinney 2010-5-19 12830 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  UCR271804  Bromus rubens R. G. Swinney 2010-3-24 12056 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
  RSA628773  Bromus stamineus Gary D. Wallace 1979-4-19 1698 Los Angeles Transverse Ranges, Liebre Mtns region, Butte Valley Wildlife Sanctuary. Comment
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Aug 10 2018
  RSA709606  Bromus sterilis A. C. Sanders, A. Thompson 2003-4-15 25993 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park. 305 Comment
  RSA771632  Bromus tectorum R. G. Swinney 2009-6-2 10996 Los Angeles East slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  LA35971  Bromus tectorum Peter H. Raven; Henry J. Thompson 1960-5-29 15427 Los Angeles SANTA MONICA MOUNTAINS, Malibu Canyon, 3.7 mi N of Pacific Coast Hwy. 121 Comment
  LA201646  Buddleja saligna Arthur C. Gibson; 2003-12-27 5007 Los Angeles SANTA MONICA MOUNTAINS, Schleuren Road at mile marker 0.24, near junction of Stunt and Saddle Peak roads. Comment
  RSA656476  Calandrinia ciliata Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 729 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SW of Dorothy and Estepa Drive junction, Haines Canyon Park. 579 Comment
  CLARK-A1528-769  Calandrinia ciliata var. menziesii Fred B. Essig 1967-4-21 Los Angeles Santa Monica Mountains Comment
  RSA352848  Calocedrus decurrens L. E. Hoffman 1932-8-14 s.n. Los Angeles Crystal Lake, Angeles National Forest. Comment
  RSA697396  Calocedrus decurrens J. Vlahos 1934-5-13 s.n. Los Angeles San Antonio Canyon 1829 Comment
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Jun 10 2012
  SD39111  Calochortus albus Edith A. Purer 1935-5-11 6577 Los Angeles Hillside, Malibou Road, Santa Monica Mountains. Comment
  SBBG117032  Calochortus catalinae S. A. Junak 2001-5-4 SCa 1494 Los Angeles E of Parson's Landing 121 Comment
  UCR4077  Calochortus catalinae Carole Sims 1965-4-10 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., 1.7 mi from the junction of Old Topanga Canyon Road and Mulholland Drive up Old Topanga Canyon Road 381 Comment
  SEINET1004568  Calochortus clavatus A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-1 26132 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills , east of and above Lake Hughes Rd., near Castaic Lake dam. 488 Comment
  IRVC26957  Calochortus clavatus var. gracilis A. C. Sanders 2003-4-17 26065 Los Angeles Newhall Ranch, ca. 1 km south of Magic Mountain amusement park and north of the powerlines NE end of Santa Susana Mtns. 396 Comment
  RSA68338  Calochortus invenustus Verne Grant, Alva Grant 1951-7-13 16079 Los Angeles East of San Antonio Peak, San Gabriel Mountains. 2895 Comment
  SBBG57684  Calochortus invenustus R. Hoffmann 1925-5-15 Los Angeles Mint Cyn Comment
  RSA377439  Calochortus plummerae Bonnie C. Templeton 1939-6-23 s.n. Los Angeles Huntington Palisades, Santa Monica Mountains. Comment
  RSA547485  Calochortus plummerae Timothy S. Ross, Orlando Mistretta 1992-7-24 6756 Los Angeles San Gabriel Mountains: E of Strawberry Peak. 96 deg. east, 1080 meters distant from Strawberry Peak summit. 1506 Comment
  RSA618708  Calochortus plummerae Scott D. White, Pam DeVries 6755 Los Angeles Soledad Canyon area; proposed quarry area N of Soledad Canyon. Road, S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Canyon. 549 Comment
  UC1178591  Calochortus plummerae Peter Kamb 1948-6-26 1136 Los Angeles near Reese Ranch; San Gabriel Mts., Little Tujunga Canyon 518 Comment
  POM1712  Calochortus splendens E. P. Steffa s.n. Los Angeles Claremont (Coble). [Cobal Canyon?] 457 Comment
  UCR282009  Calochortus splendens R. G. Swinney 2014-5-19 16578 Los Angeles San Gabriel Mountains, Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Motorway 515 Comment
  UCR231902  Calochortus striatus Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-20 8036 Los Angeles Mojave Desert, Antelope Valley, north end of Lancaster, 90 m east of Sierra Hwy and railroad grade, and 145 m north of Avenue H 710 Comment
  UCR94699  Calochortus striatus A. C. Sanders, E. J. Lott 1993-5-6 13971 Los Angeles Western Mojave Desert, 13 miles north of Palmdale, Sierra Hwy at Ave 'F 701 Comment
  LA38799  Calochortus venustus Peter H. Raven; 1960-5-21 15400 Los Angeles SANTA MONICA MOUNTAINS, Cornell Corners. 243 Comment
  UC843716 Image available Calochortus venustus L. R. Abrams 1927-4-30 11667 Los Angeles Grapevine Grade Tejon Pass Comment
  UCD139605  Calochortus venustus Esfan Hesari 1993-5-4 s.n. Los Angeles Newhall, Walker ranch. 750 Comment
  LA105121  Calystegia macrostegia subsp. cyclostegia Barry A. Prigge; 1981-7-9 8261 Los Angeles Santa Monica Mountains, Calabasas, Calabasas, 0.4 mi SE N-jtn of Mulholland Hwy and Old Topanga Rd, S of Calabasas High School 411 Comment
  POM66004  Calystegia macrostegia subsp. intermedia L. R. Abrams 1903-3-8 3106 Los Angeles Hills near Inglewood Comment
  SFV2823  Calystegia macrostegia subsp. intermedia K. A. Wilson 1961-3-7 946 Los Angeles Santa Monica Mountains Mulholland Highway about 3 miles west of Las Virgenes Road. Comment
  RSA187861  Calystegia macrostegia subsp. macrostegia R. F. Thorne 1966-4-28 36206 Los Angeles Santa Catalina Island, road to Renton Mine, Pebbly Beach Canyon 244 Comment
  CAS-BOT-BC215908  Calystegia peirsonii R. K. Brummitt; S. D. Boyd 1998-5-25 20027 Los Angeles 10 km NE of Castaic, San Francisquito Canyon just N of powerhouse below Drinkwater Res. 485 Comment
  RSA762257  Calystegia peirsonii Orlando Mistretta, Christine Mistretta 2008-5-2 2599 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 42 per TRTP survey, 2008), in the vicinity of Ritter Ridge. 1021 Comment
  SBBG19047  Calystegia purpurata D. Emery 1947-4-5 Los Angeles Griffith Park Comment
  RSA771551  Camissonia R. G. Swinney 2009-5-28 10954 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  POM3103  Camissonia bistorta O. W. Robinson 1916-3-8 s.n. Los Angeles Claremont, wash south of Greek Theater Comment
  RSA590516  Camissonia californica Tim S. Ross, Walter Appleby 1993-5-19 7178 Los Angeles Western San Gabriel Mountains: long SSE-trending ridge S of Wilson Canyon Saddle. 805 Comment
  RSA562802  Camissonia californica D. Charlton 1990-4-7 4198 Los Angeles Kentucky Springs, Sierra Highway S of Palmdale, foothills of San Gabriel Mountains. 701 Comment
  POM3338  Camissonia cheiranthifolia subsp. suffruticosa I. M. Johnston 1916-6-10 s.n. Los Angeles Playa del Rey. Comment
  RSA611659  Camissonia claviformis Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10089 Los Angeles Liebre Mountains region: Lower Leona Valley, southeastern end of Ritter Ridge and adjacent wash of Amargosa Creek, north of Elizabeth Lake Road. 853 Comment
  UCR205226  Camissonia claviformis R. G. Swinney 2008-5-2 8722 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  RSA195444  Camissonia guadalupensis subsp. clementina Peter H. Raven 1962-4-11 17284 Los Angeles Dune on coast north of a point due west of Wall 2, San Clemente Island. 9 Comment
  RSA680068  Camissonia guadalupensis subsp. clementina Mark A. Elvin, Michael Wall, Jennifer Stone 1996-8-8 323 Los Angeles San Clemente Island. Edge of Dune ridge in ocean in scrub area. 30 Comment
  UCR209292  Camissonia hirtella Dan S. Cooper 2009-3-6 309- 04 Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Cahuenga Peak, adjacent to Mt. Lee, Griffith Park 512 Comment
  RSA656171  Camissonia intermedia Joseph M. Keefe 1977-6-10 22060 Los Angeles Northern Verdugo Mountains; 1 km south of La Tuna Canyon Road on Fire Break Road West, Sun Valley 457 Comment
  RSA0118853  Camissonia kernensis subsp. gilmanii A. C. Sanders 2007-4-25 33586 Los Angeles Tehachapi Mtns.: Oso Canyon, 0.75 mi. SE of the Kern Co. line along Oso Cyn. Rd. 1143 Comment
  RSA454092  Camissonia robusta M. B. Dunkle 1928-5-13 1937 Los Angeles Santa Catalina Island. Coach road. Talus slope near Wishbone Loop. Comment
  HSC101299  Camissonia strigulosa R. G. Swinney 2009-4-24 10486 Los Angeles Transverse Ranges; San Gabriel Mtns. / Mojave Desert: Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  RSA718289  Camissonia strigulosa R. G. Swinney, Dave Larson 1996-7-17 5126 Los Angeles San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1320 Comment
  UC20527  Camissonia strigulosa Harley P. Chandler 1898-3-10 Los Angeles Claremont 365 Comment
  RSA454104  Camissonia strigulosa Ora M. Clark 1929-3-29 1806 Los Angeles E.W. Saugus Comment
  SFV13340  Camissoniopsis bistorta M. J. Thor 1983-4-8 157 Los Angeles Los Angeles Basin Playa del Rey, Ballona Wetlands. 2 Comment
  UCD103459  Camissoniopsis bistorta Daryl Koutnik 1978-4-14 359 Los Angeles Simi Hills at W end of Devonshire Blvd. 365 Comment
  CAS-BOT-BC160251  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Peter L. Morrell; O. Mistretta; L. Arnseth 1992-4-4 122 Los Angeles On WNW-facing slope, approx. 2 km SSW of Wilson Cove on W side of island. San Clemente Island 20 Comment
  CAS-BOT-BC160440  Camissoniopsis cheiranthifolia subsp. suffruticosa Le Roy Abrams 1906-2-9 s.n. Los Angeles Playa del Rey Comment
  UC494419  Camissoniopsis cheiranthifolia subsp. suffruticosa Philip A. Munz 1932-8-31 12815 Los Angeles on back beach Playa del Rey Comment
  UCSB8425  Camissoniopsis cheiranthifolia subsp. suffruticosa McElwain, Isabelle 1963-3-21 Los Angeles Point Dume Comment
  LA91488  Camissoniopsis intermedia Bruce Douglas Clayton; Greg Shaw 1972-4-11 89 Los Angeles SANTA MONICA MOUNTAINS, Nettleburn Creek Canyon, Mountain Park Research Campus, at head of canyon. 585 Comment
  UC9908  Canbya candida A. A. Davidson May 1894 Los Angeles Lancaster Comment
  UCR124976  Cannabis sativa B. C. Templeton 1953-7-3 6818 Los Angeles Los Angeles Comment
  UCR261383  Capsella bursa-pastoris R. G. Swinney 2010-2-27 11728 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
  RSA530953  Capsella bursa-pastoris B. C. Templeton 1932-6-19 4933 Los Angeles Big Pines Park, San Gabriel Mountains. 2091 Comment
  CAS-BOT-BC37460  Cardamine californica John Thomas Howell 1928-2-9 3328 Los Angeles San Gabriel Mountains. Floor of Santa Anita Canyon. Comment
  SD69467  Cardamine californica Robert F. Thorne 1966-4-7 35962 Los Angeles Santa Catalina Island; at bottom of canyon, Cherry Valley. 60 Comment
  RSA249723  Cardamine californica var. integrifolia R. F. Thorne, D. Propst 1973-2-12 42483 Los Angeles Santa Catalina Island. Ironwood Gully on slopes of hill E of Isthmus above Banning House. 183 Comment
  RSA0116205  Cardamine flexuosa A. R. Roos 1958-6-12 s.n Los Angeles Evans & Revves nursery, Bentwood, West L.A. Comment
  UCR149346  Cardamine oligosperma R. G. Swinney 1998-4-4 5913 Los Angeles San Gabriel Mtns, Evey Canyon, c. 0.75 mi. west of Mt. Baldy Rd., c. 0.3 mi. (air) NE of Potato Mtn. 793 Comment
  UCR213355  Cardamine oligosperma Justin M. Wood 2009-3-6 335 Los Angeles city of Claremont, northwest corner of Monte Vista Ave and Foothill Blvd. County line goes through property but most plants were collected in LA County 412 Comment
  CDA19946  Cardaria chalepensis J. Santos 2002-7-1 PDR 053581 Los Angeles Southern California; 98th St W & Leona Valley Ave. 0 Comment
  RSA747102  Carduus pycnocephalus A. C. Sanders, T. B. Salvato 2009-5-19 36815 Los Angeles Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 110 Comment
  RSA654324  Carduus tenuiflorus Benjamen Rangel 1992-5-6 777 -34 Los Angeles In the avocado orchard behind the dormitories at Cal Poly Pomona; in the back side of the orchard by the freeway fence and the water drainage. Comment
  UCR277000  Carex R. G. Swinney 2010-9-30 13896 Los Angeles San Gabriel Mountains, 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs 2290 Comment
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Sep 12 2018
  RSA0091347  Carex alma R. G. Swinney 2011-5-12 14707 Los Angeles San Gabriel Mountains: along Cabin Canyon Creek near the confluence with Aliso Cyn. 1195 Comment
  RSA775351  Carex alma Orlando Mistretta, Christine Mistretta 2010-6-4 5262 Los Angeles Monte Cristo Canyon (tributary of Mill Creek Canyon), 3.0 miles SW of Mill Creek Summit, along Southern California Edison transmission line corridor. 1372 Comment
  SEINET7549335 Image available Carex alma Louis C. Wheeler 1954-9-1 7084 Los Angeles San Gabriel Mountains: Little Rock Creek, ca. 1 mile downstream from Cooper Creek. Comment
  RSA88649  Carex barbarae F. W. Peirson 1920-5-8 2685 Los Angeles San Rafael Hills, west of Arroyo Seco. Comment
  UCR271224  Carex heteroneura R. G. Swinney 2011-9-27 15710 Los Angeles San Gabriel Mountains, Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2384 Comment
  UC72396  Carex multicaulis Geo. B. Grant Jun 1902 138 Los Angeles Mt. Wilson Comment
  SEINET8110810 Image available Carex schottii I. W. Clokey, C. B. Clokey; B. C. Templeton 1930-5-13 4613 Los Angeles Boquet Canyon Comment
  SDSU11665  Carex scopulorum F. J. Hermann 1947-3-3 1770 Los Angeles Stream bed in Topango Canyon about three miles from ocean Comment
  SEINET8989734 Image available Carex specifica Unknown 2006-1 8680 Los Angeles San Gabriel Mountains. Near Angeles Crest Hwy, 0.5 km west of Big Pines and Big Pines Hwy. Mescal Creek 7.5' quad. Comment
  SEINET13261693  Carex teneriformis R. F. Thorne 1971-8-25 41294 Los Angeles San Gabriel Mts., Angeles National Forest: at Little Jimmy Springs in yellow pine forest. 2256 Comment
  SD144100  Carpobrotus edulis Scott D. White 1997-3-12 4731 Los Angeles Zuma Beach area: mouth of Zuma Creek, E end of the County Beach. 7 Comment
  SFV16116  Castilleja affinis J. M. Kneitel 1995-4-9 23 Los Angeles San Gabriel Mountains Angeles Forest Highway, 3.5 miles north of junction with Angeles Crest Highway. 100 m off highway. 915 Comment
  SEINET12288577  Castilleja affinis J. F. Bright, Wyman, C. 1933-1 8386 Los Angeles Boquet Canyon Comment
  UCR191289  Castilleja affinis subsp. affinis T. B. Salvato 2008-4-22 3304 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
  RSA529192  Castilleja applegatei subsp. martinii Tim S. Ross, Steve D. Boyd 1991-7-24 5660 Los Angeles Granite Mountain. San Gabriel Mountain Range. 1936 Comment
  UC1409131  Castilleja applegatei subsp. martinii Robert F. Thorne and C. W. Tilforth, et al. 1972-6-29 42085 Los Angeles Summit of Table Mountain San Gabriel Mts., Angeles National Forest, Table Mountain (above Big Pines) 2286 Comment
  UCR155344  Castilleja exserta A. C. Sanders 2005-5-5 29862 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon on the ridge above and west of the community of Mint Canyon 549 Comment
  RSA592310  Castilleja exserta subsp. exserta Louis C. Wheeler 1967-5-13 9514 Los Angeles San Gabriel Mountains. West side of Little Dalton Canyon, Glendora Mt. Road. 480 Comment
  UCSB10576  Castilleja exserta subsp. exserta Wedberg, H. 1957-4-4 Los Angeles Pt. Dume Comment
  RSA400552  Castilleja foliolosa Thekla Mohr s.n. Los Angeles Los Angeles. Comment
  LA99295  Castilleja minor subsp. spiralis Peter H. Raven; Henry J. Thompson 1960-7-17 15558 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek, along Malibu Creek 2 mi. above ocean. 45 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
  RSA151662  Castilleja minor subsp. spiralis R. C. Bacigalupi, G. Thomas Robbins, L. R. Heckard 1953-6-15 4207 Los Angeles Junction (confluence of) north fork and main fork of Pacoima Creek, 0.7 mile below Diamond Public Camp (on main fork), San Gabriel Mountains 1056 Comment
  RSA448772  Castilleja minor subsp. spiralis Louis C. Wheeler 1932-6-26 879 Los Angeles San Gabriel Canyon. 335 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
  SBBG51624  Caulanthus lasiophyllus R. Gustafson, C. Davidson 1977-4-20 404 Los Angeles Escondido Cyn Rd ca. 1 mi NE of jct with Agua Dulce Cyn Rd 762 Comment
  RSA706133  Ceanothus Orlando Mistretta 1992-8-20 s.n. Los Angeles Transverse Ranges; San Gabriel Mtns Region: Mt Gleason. Tujunga Ranger District. Comment
  UC625068  Ceanothus arboreus F. R. Fosberg 1931-4-2 S 4448 Los Angeles divide between Hamilton and Descanso Canyons Santa Catalina Island 230 Comment
  UC870500  Ceanothus arboreus Ezra C. Knopf 331 Los Angeles Santa Catalina Island Comment
  RSA398868  Ceanothus crassifolius Anstruther Davidson 1921-5-1 s.n. Los Angeles San Gabriel Mt Comment
  SBBG118594  Ceanothus crassifolius var. crassifolius J. Henrickson 2000-4-15 20710 Los Angeles ca. 1 mi SE of Newhall in W part of Whitney Cyn, just NE of jct of San Fernando Rd and St Hwy 14; T3N, R15W, SW/S 6 472 Comment
  UCR127058  Ceanothus cuneatus Mark A. Elvin, Cathleen Weigand 2003-4-8 2458 Los Angeles Santa Clarita Valley, Newhall Ranch, flats south of confluence of Hasley Canyon with Castaic Creek 297 Comment
  CAS-BOT-BC50844  Ceanothus insularis E. R. Blakley 1962-6-9 5197 Los Angeles San Clemente Island - Canyon west of road, 2 1/2 miles north of China Point 167 Comment
  CAS-BOT-BC50156  Ceanothus integerrimus W. R. Dudley 1899-7-22 s.n. Los Angeles Mt. Lowe, San Gabriel Mts. Comment
  CAS-BOT-BC51030  Ceanothus integerrimus var. macrothyrsus C. F. Baker 1909-5-15 5340 Los Angeles Mts. near Claremont Comment
  SEINET12209914  Ceanothus leucodermis M. T. Doutt 1931-1 631 Los Angeles Sierra Madre Mts. trail between Mt. Lowe and Mt. Wilson 1768 Comment
  CATA3238  Ceanothus megacarpus Julie L. King 2017-1-18 49 Los Angeles Santa Catalina Island: East End Quarry, just west of main office parking lot 23 Comment
  POM156272  Ceanothus megacarpus L. R. Abrams 1902-6-17 2560 Los Angeles Sepulveda Canyon, Santa Monica Mts. Comment
  CAS-BOT-BC50492  Ceanothus oliganthus John Thomas Howell 1930-5-18 5173 Los Angeles Pacoima Canyon, San Gabriel Mountains Comment
  UC1070912  Ceanothus oliganthus var. oliganthus R. St. John 1930-2-14 94 Los Angeles Gavin Canyon Santa Susana quad. (Plot #23.) 609 Comment
  UCR150658  Ceanothus oliganthus var. oliganthus James Henrickson 2000-4-15 20707 B Los Angeles San Gabriel Mountains region, c. 1 mi SE of Newhall in Whitney Canyon, SE of junction of San Fernando Road and State Highway 14; 0.25-0.5 mile east of Highway 14; within 200 ft of Hwy 488 Comment
  SEINET13946093 Image available Ceanothus spinosus Peter H. Raven 1959-1 13825 Los Angeles Mount Hollywood Drive 0.8 miles S of Vista del Valle Dr; Griffith Park, 34 deg. 08', 118 deg. 18' W; elevation 1300 ft 396 Comment
  UC535518  Ceanothus spinosus Ira W. Clokey, B. Templeton Mar 1929 4438 Los Angeles Mandeville Canyon, Santa Monica Mountains 76 Comment
  UCR133585  Ceanothus spinosus Tema S. Clare 1929-3-3 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Topanga Canyon Comment
  CAS-BOT-BC52496  Ceanothus vestitus Le Roy Abrams; E. A. McGregor 1908-6-19 334 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  UCR208920  Celtis australis R. E. Riefner Jr. 2006-7-18 06- 304 Los Angeles Pasadena, San Rafael Hills, in vicinity of Canedo Place and Wierfield Drive 320 Comment
  UCR138519  Cenchrus longispinus L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mtns, Aliso Canyon, Blum Ranch 884 Comment
  LA94405  Centaurea melitensis Norman A. Cole; May 1964 334 B Los Angeles SANTA MONICA MOUNTAINS, 2.9 mi from Pacific Coast Hwy along Rambla Pacifico. 335 Comment
  RSA0035461  Centaurea melitensis Roxanne Smith 1991-5-14 32 Los Angeles Hills 0.4 mi. southeast of Golden Springs and Diamond Bar Blvd. Comment
  SBBG54444  Centaurea melitensis J. Hoskins 1964-5-14 12 Los Angeles The "Wash", Pomona College, Claremont 335 Comment
  RSA187797  Centaurea solstitialis R. F. Thorne 1966-9-14 36624 Los Angeles Santa Catalina Island. Middle Ranch, Middle Ranch Canyon. 213 Comment
  RSA705966  Centaurium venustum subsp. venustum M. Wall, Katie Sims 2005-6-9 394 Los Angeles Rancho Santa Ana Botanic Garden native to site in plant communities section D-13. Comment
  RSA515168  Centrostegia thurberi Steve Boyd, Orlando Mistretta 1986-3-31 1542 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  RSA607606  Cerastium fontanum subsp. vulgare L. C. Wheeler 1966-10-27 9096 Los Angeles San Gabriel Mountains: Rincon Ranger Station. Comment
  RSA84474  Ceratophyllum demersum F. W. Peirson 1921-6-19 2614 Los Angeles Crystal Lake, North Fork San Gabriel River 1676 Comment
  RSA0014965  Cercocarpus betuloides Steve D. Boyd, Valentin Arvizu, R. E. Riefner 2006-9-21 11693 Los Angeles Side drainage of La Tuna Creek just west of La Tuna Canyon Road offramp from 210 Freeway, adjacent to parking area for Santa Monica Mountains Conservancy reserve lands. Comment
  UC1127865  Cercocarpus betuloides var. betuloides H. A. Jensen 1933-4-10 282 Los Angeles Verdugo Mountain 762 Comment
  RSA235230  Cercocarpus betuloides var. blancheae E. R. Blakley 1963-4-7 5534 Los Angeles Catalina Island. Farnsworth Spring NW of Avalon on the Island Rd. 366 Comment
  SBBG78166  Cercocarpus betuloides var. blancheae F. R. Fosberg 1931-4-6 4798 Los Angeles Cape Cyn Comment
  SD80925  Cercocarpus betuloides var. blancheae James Henrickson 1969-4-10 4244 Los Angeles 4 miles So. of Thousand Oaks along Decker Rd. in Santa Monica Mtns. 366 Comment
  CAS-BOT-BC147718  Cercocarpus betuloides var. traskiae Robert F. Thorne 1967-5-18 36872 Los Angeles Santa Catalina Island: Wild Boar Gully 167 Comment
  RSA498795  Cercocarpus ledifolius Albert J. Perkins 1912-9-8 s.n. Los Angeles Mt San Antonio Trail. 2134 Comment
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Jun 5 2015
  SBBG128356  Cercocarpus traskiae B. E. Carter, J. Clark, A. Castellano 2012-8-2 6920 Los Angeles Wild Boar Gully 172 Comment
  SEINET10483785  Cercocarpus traskiae Jon Ricketson, Heidi H. Schmidt 1992-1 Los Angeles Comment
  POM30266  Chaenactis artemisiifolia Marcus E. Jones 1902-6-20 s.n. Los Angeles Mt. Lowe Comment
  SBBG17274  Chaenactis artemisiifolia M. Vincent 1962-5-25 258 Los Angeles ca. 2 mi E of Malibu Cyn Rd on Piuma Rd Comment
  UCR190251  Chaenactis glabriuscula R. G. Swinney 2000-5-20 7695 Los Angeles San Gabriel Mtns., NE of Azusa, 0.8 mi. north of San Gabriel Dam, ridge east of Polecat Gulch and north of Hwy 39 756 Comment
  UC158563  Chaenactis glabriuscula var. glabriuscula George B. Grant 1902-7-14 Los Angeles Mount Wilson 1828 Comment
  UCR271812  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-4-28 12400 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  UCR276794  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2011-3-29 14252 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
  CDA10721  Chaenactis glabriuscula var. glabriuscula G. C. Fleischman 1942-6-18 Los Angeles San Gabriel Mountains, near Sierra Madre. 0 Comment
  POM218855  Chaenactis glabriuscula var. glabriuscula R. J. Catts 1936-04 s.n. Los Angeles Thompson Creek, foothills above Claremont. 549 Comment
  POM6057  Chaenactis glabriuscula var. lanosa T. Craig 1909-6-5 12 Los Angeles Claremont. Comment
  UCR119056  Chaenactis glabriuscula var. orcuttiana Jeremiah George 2001-5-13 s.n. Los Angeles South Coastal Plains Region, Manhattan Beach, NW corner of town near El Segundo, corner of Highland and El Porto St. 3 Comment
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Aug 15 2016
  RSA0039133  Chaenactis stevioides R. G. Swinney 2010-5-11 12661 Los Angeles Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  RSA774278  Chaenactis stevioides R. G. Swinney 2009-6-17 11182 Los Angeles Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  HSC101311  Chaenactis xantiana R. G. Swinney 2009-4-28 10512 Los Angeles Transverse Range, San Gabriel Mountains: Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  RSA0108833  Chaenactis xantiana R. G. Swinney 2010-5-21 12890 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
  UCR192527  Chaenactis xantiana A. C. Sanders 2008-4-10 34787 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM 'Pine 1006 Comment
  CHSC14138  Chamaesyce albomarginata L. M. Mayer; I. J. Mayer 1974-4-10 148 Los Angeles Bouquet Canyon Rd. ca. 1/4 mi ne of its intersection with Vasquez Canyon Rd. Comment
  RSA435964  Chamaesyce albomarginata Robert Gustafson 1981-5-15 2227 Los Angeles Ballona Wetlands, Area 3 Comment
  UC450827  Chamaesyce albomarginata Fay A. Macfadden 1931-4-22 2648 Los Angeles San Fransiscito Canyon Comment
  RSA226902  Chamaesyce melanadenia R. F. Thorne 1971-6-17 39974 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  LA202292  Chamaesyce serpens Arthur C. Gibson; 2005-7-21 5037 B Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek State Park, Malibu, along road encircling Malibu Lagoon on seaward side. Comment
  RSA70397  Chamaesyce serpillifolia F. W. Peirson 1904-9-5 2035 Los Angeles La Canada Comment
  RSA191153  Chamaesyce serpillifolia subsp. serpillifolia R. F. Thorne 1967-6-25 37070 Los Angeles Upper Cobal Canyon 564 Comment
  RSA591664  Chamaesyce serpillifolia subsp. serpillifolia L. C. Wheeler 1966-9-21 8893 Los Angeles north fork San Gabriel Canyon, 1/4 mi. downhill from intersection of main road to upper Bichota Canyon 854 Comment
  CAS-BOT-BC70012  Cheilanthes covillei LeRoy Abrams 1902-7-1 2626 Los Angeles Little Santa Anita Canyon Comment
  UCR192656  Cheilanthes covillei R. G. Swinney 1999-8-14 7617 Los Angeles San Gabriel Mtns., upper Fish Fork San Gabriel River, c. 0.7 mi. west of junction of Fish Fork Trail on West Dawson Peak Ridge 2134 Comment
  RSA229123  Cheilanthes covillei R. F. Thorne, C. W. Tilforth 1971-6-30 40840 Los Angeles SAN GABRIEL MTS., ANGELES NATIONAL FOREST: above Little Sycamore Campground along Little Rock creek 1189 Comment
  RSA685695  Cheilanthes covillei T. R. Pray 1962-5-7 1896 Los Angeles Crystal Lake Road vbelow Soldier Creek crossing Comment
  UCR204033  Chenopodium R. G. Swinney 2001-9-16 8157 Los Angeles San Gabriel Mountains, 100 m east of Little Jimmy Spring Canyon, south Fork, south of Hwy 2, 0.6 mi due east of Mt. Islip and c. 2 mi north of Crystal Lake 2207 Comment
  UCR127391  Chenopodium album A. C. Sanders, Mark Elvin 2002-8-7 25557 Los Angeles Santa Clara River Valley, north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur 274 Comment
  RSA423287  Chenopodium album E. S. Spalding 1923-04 s.n. Los Angeles E. Los Angeles. Comment
  RSA478378  Chenopodium album Gertrude Dunn 1931-3-28 s.n. Los Angeles Palos Verdes Comment
  RSA0088155  Chenopodium berlandieri R. G. Swinney 2010-8-30 13609 Los Angeles East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream. 595 Comment
  RSA591557  Chenopodium botrys L. C. Wheeler 1966-10-6 8955 Los Angeles San Gabriel Mountains. Buckhorn guard station, Angeles Crest Highway. Comment
  RSA133466  Chenopodium californicum P. H. Raven, H. J. Thompson 1959-4-3 13921 Los Angeles Just east of Malibu Junction. 265 Comment
  RSA783628  Chenopodium californicum J. D. Olmsted 1959-3-30 329 Los Angeles Along fire road below first locked gate, Coval canyon- continuation of Mills above Baldy turn, Coval Canyon drainage 488 Comment
  RSA0041746  Chenopodium fremontii T. S. Ross 1990-8-17 3179 Los Angeles San Gabriel Mountains: S side of Prairie Fork, in the vicinity of Columbine Spring. 2183 Comment
  RSA478537  Chenopodium murale F. R. Fosberg 1931-5-22 7162 Los Angeles Santa Catalina Island. Bird Rock, Isthmus Harbor. 5 Comment
  SD38029  Chenopodium murale Edith A. Purer 1931-3-6 1541 Los Angeles In fields Comment
  SBBG98610  Chenopodium pratericola T. Ross 1991-8-16 5802 Los Angeles Big Tujunga Cyn, 0.2 mi E of the confluence of Lucas Crk 917 Comment
  POM249842  Chenopodium pumilio P. A. Munz 1939-10-9 15566 Los Angeles Roadside, half-mile south of Claremont. Comment
  RSA64831  Chenopodium pumilio F. W. Peirson 1919-11-12 1823 Los Angeles Holliston Ave. between Boulevard and Mendocino, Altadena. Comment
  RSA628298  Chenopodium strictum var. glaucophyllum L. C. Wheeler 1973-10-28 s.n. Los Angeles Altadena. Comment
  POM364939  Chloris gayana H. L. Bauer 1929-09 372 Los Angeles Long Beach. 30 Comment
  RSA601189  Chlorogalum pomeridianum var. pomeridianum Louis C. Wheeler 1967-6-26 9911 Los Angeles San Gabriel Mountains : Placerita Canyon; ca. 1/4 mile E of highway 457 Comment
  CAS-BOT-BC168153  Chorizanthe parryi var. fernandina A. C. Sanders; Mark A. Elvin; et al. 2003-4-16 26060 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, north of the powerlines south of Magic Mountain Parkway, near I-5 and new golf course 396 Comment
  JEPS57644  Chorizanthe parryi var. fernandina Samuel B. Parish June 1887 1987 Los Angeles San Fernandino Comment
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Nov 16 2009
  SBBG128665  Chorizanthe parryi var. fernandina M. A. Elvin 2003-4-24 2527 Los Angeles Vallencia, Newhall Ranch , entrance to Magic Mtn Theme Park, survey area 62 366 Comment
  CAS-BOT-BC252780  Chorizanthe parryi var. parryi John H. Thomas 1957-4-27 6689 Los Angeles Coastal hills, west side of mouth of Latigo Canyon about 3 miles northwest of Pt. Dume, 15 miles due west of Santa Monica, Santa Monica Mountains 152 Comment
  RSA392675  Chorizanthe staticoides Geo. L. Moxley 1917-5-5 s.n. Los Angeles Eagle Rock. Comment
  RSA392784  Chorizanthe staticoides G. R. Johnstone 1926-4-15 s.n. Los Angeles San Francisquito Canyon. Comment
  RSA714684  Chorizanthe staticoides A. C. Sanders, Mark A. Elvin 2003-6-18 26954 Los Angeles Western Transverse Range: around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon. 1037 Comment
  RSA732768  Chorizanthe staticoides R. G. Swinney 2000-6-25 7793 Los Angeles Lower San Antonio Canyon, c. 70 m west of San Antonio Canyon Rd. and 80 m south of Shinn Rd. 793 Comment
  UC131091  Chorizanthe staticoides Katharine Brandegee May 1909 Los Angeles Saugus Comment
  UCD99988  Chorizanthe staticoides A. C. Sanders 2003-4-29 26179 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 396 Comment
  UCR155121  Chorizanthe staticoides A. C. Sanders 2005-5-5 29934 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, hills at SW end of Cruzan Mesa at Bench Mark 'Plum 701 Comment
  UCR281976  Chorizanthe watsonii R. G. Swinney 2014-4-24 16206 Los Angeles San Gabriel Mountains, NE of Valyermo, wash and plateau at north end of Bob's Gap, 3.1-3.6 miles south of Hwy. 138, c. 0.2 miles east of Bob's Gap Rd., east of Bob's Gap Wash 1293 Comment
  RSA190996  Chorizanthe xanti Robert F. Thorne 1963-7-11 32779 Los Angeles Along road to Upper Shake Campground, ca. 3 miles W of Lake Hughes, Angeles National Forest. Comment
  UCR248207  Chrysothamnus nauseosus David J. Keil 1986-9-27 19739 -2 Los Angeles Along Hwy I-5, just south of Hungry Valley Road exit 915 Comment
  POM122558  Chrysothamnus nauseosus subsp. bernardinus Marcus E. Jones 1924-9-10 s.n. Los Angeles San Gabriel Mountains: Swartout [Swarthout] valley Comment
  RSA609406  Chrysothamnus nauseosus subsp. bernardinus L. C. Wheeler 1968-8-7 s.n. Los Angeles San Gabriel Mountains: Divide between West Fork Bear Creek and Devils Canyon 1821 Comment
  RSA717948  Chrysothamnus nauseosus subsp. consimilis R. G. Swinney, Dave W. Larson 1996-8-7 5240 Los Angeles Eastern San Gabriel Mountains: San Dimas Experimental Forest, head of Dry Lake Canyon at 'Dry Lake,' site of CCC camp in 1930s. 1524 Comment
  SEINET3395618  Chrysothamnus nauseosus subsp. mohavensis Unknown 1984-1 EDM- 1522 Los Angeles Ave H. exit NW side of Lancaster Comment
  UCR124720  Chrysothamnus nauseosus subsp. mohavensis B. C. Templeton 1932-8-25 5088 Los Angeles San Gabriel Mtns., Table Mountain near Big Pines Park, Angeles National Forest 2091 Comment
  CDA1496  Cirsium ochrocentrum George Garretson 1959-8-31 s.n. Los Angeles San Jose Creek Walnut district; (City of Industry?) Southern Pacific R.R. right-of-way, 200 ft. W of Water St. 0 Comment
  RSA587191  Cirsium vulgare Scott D. White 1995-12-5 3769 Los Angeles Marina Del Rey area; State Rt. 90 median strip between Culver Bl. and Mindanao Way. 5 Comment
  UC1595226  Cirsium vulgare Tim Ross and Peter Fritsch 1990-6-20 3613 Los Angeles mouth of Burro Canyon (near the confluence of the e and w forks of the San Gabriel Rvier); San Gabriel Mountains, San Gabriel River 445 Comment
  RSA719025  Cistanthe monandra R. G. Swinney 1998-4-14 5977 Los Angeles Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands 1299 Comment
  RSA764495  Cistus salviifolius Orlando Mistretta, Christine Mistretta 2008-5-2 2611 Los Angeles N edge of the San Gabriel Mtns, Soledad Cyn, Southern California Edison substation in the vicinity of Vincent. Comment
  UC1611557  Cistus salviifolius Tim Ross and Walter Appleby 1993-4-15 6822 Los Angeles Western San Gabriel Mtns: Southerly draw ca 515 m SSW of May Canyon Saddle, draining to Wilson Canyon; disturbed area on N side of Loop Canyon Road. Comment
  CAS-BOT-BC172445  Clarkia bottae Alice Eastwood 1919-7-4 9305 Los Angeles Santa Monica Canyon, Los Angeles Comment
  JEPS26606  Clarkia bottae Peter Kamb 1948-6-26 1132 Los Angeles near Ant Canyon (s side of Pacoima Canyon); San Gabriel Mts. 731 Comment
  LA15536  Clarkia bottae W. O. Griesel; 1936-6-18 sn Los Angeles Santa Monica Mountains, Topanga Canyon 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
  UC373529  Clarkia cylindrica subsp. cylindrica C. L. Hitchcock 1928-5-27 44 Los Angeles 1 1/2 mi s Lebec (on Ridge Route) 1200 Comment
  UCR86552  Clarkia deflexa T. S. Ross 1992-5-17 6345 Los Angeles San Gabriel Mtns., near elbow of E fork of the San Gabriel River, 260 m west of the mouth of Cattle Canyon. 576 Comment
  CAS-BOT-BC172099  Clarkia dudleyana Louis C. Wheeler 1932-5-8 690 Los Angeles Puddingstone Dam, San Jose Hills 304 Comment
  RSA674716  Clarkia dudleyana Scott D. White, Pam DeVries 2000-5-18 7908 Los Angeles San Gabriel Mts: Southern foothills above Irwindale. Fish Creek cyn, from the mouth of the Canyon at CalMat quarry upstream to falls. 305 Comment
  RSA747747  Clarkia dudleyana Scott D. White, J. Wood, J. Miner 2009-5-12 12705 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
  SEINET1869740  Clarkia dudleyana M. D. Wilcox 2003-1 Los Angeles San Gabriel Mtns.: Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory. 381 Comment
  LA85597  Clarkia epilobioides Elizabeth McClintock; 1945-5-1 sn Los Angeles SANTA MONICA MOUNTAINS, Dry Canyon-Cold Creek Road. Comment
  POM50317  Clarkia epilobioides L. R. Abrams 1901-6-4 1706 Los Angeles Los Tunas Canyon. Comment
  UC501460  Clarkia heterandra Frank W. Peirson 1922-6-3 3083 Los Angeles n. slope Liebre Mts. (and sl. e. of the Collins Ranch house and extending up slope to ca. 5000 ft); Liebre Mts. and Collins Ranch 1143 Comment
  SBBG60314  Clarkia purpurea subsp. purpurea R. Hoffmann 1927-6-14 Los Angeles Elizabeth Lake Comment
  JEPS43691  Clarkia purpurea subsp. quadrivulnera Frank W. Peirson 1919-6-5 467 Los Angeles San Antonio Canyon San Gabriel Mountains 1341 Comment
  RSA0092453  Clarkia purpurea subsp. quadrivulnera R. G. Swinney 2011-6-23 15286 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200m south of Chilao Station. 1570 Comment
  RSA448324  Clarkia purpurea subsp. quadrivulnera Fordyce Grinnell Jr. 1910-05 s.n. Los Angeles La Crescenta. Comment
  CAS-BOT-BC165515  Clarkia unguiculata Robert F. Thorne; A. C. Gibson 1971-5-22 39729 Los Angeles San Gabriel Mts., Angeles National Forest: Fish Canyon 289 Comment
  CHSC96309  Clarkia unguiculata LeRoy Gross; Bill Hogshead, Valerie Soza 2003-5-29 949 Los Angeles Transverse Ranges: Verdugo Mountains region: West end of the mountains: At junction (saddle) of Verdugo Motorway and Wildwood Fire Road (Abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago.) We went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Motorway) Basically a triangle. UTM Zone: 3787689N 0378361E. 563 Comment
  IRVC26154  Clarkia unguiculata A. C. Sanders 2003-5-1 26244 Los Angeles NE side of Castaic Mesa, near Angeles National Forest boundary, ca. 0.6 mi. due west of confluence of Bitter and Charlie Canyons Western San Gabriel Mtns. 396 Comment
  RSA240676  Clarkia unguiculata Donald R. Bissing 1973-6-2 118 Los Angeles Evey Canyon, San Gabriel Mountains: mouth of canyon. 707 Comment
  RSA586679  Clarkia xantiana subsp. parviflora Orlando Mistretta, Mark A. Elvin 1995-5-10 1704 Los Angeles San Gabriel Mts. Bare Mountains Canyon. West Fork. 1250 Comment
  UC56762  Claytonia parviflora subsp. parviflora H. M. Hall May 1 1902-May 3 1902 3090 Los Angeles vicinity Elizabeth Lake; Antelope Valley 1219 Comment
  SEINET181922 Image available Claytonia perfoliata subsp. mexicana Ira W. Clokey, B. Templeton March 1929 4525 Los Angeles Santa Monica Mt.; Mandeville Canyon. 275 Comment
  RSA386208  Clematis lasiantha Albert J. Perkins 1923-5-28 s.n. Los Angeles Trail Colby to Loomis. [Likely Colby Ranch: NNE of Strawberry Peak, San Gabriel Mountains, and Loomis Ranch: NW of Chilao Flat.] Comment
  RSA545287  Clematis lasiantha Robert F. Thorne, Carlos Mu - oz 1969-6-17 38030 Los Angeles SAN GABRIEL MTS. - SAN ANTONIO CANYON 1524 Comment
  JEPS60560  Clematis ligusticifolia Frank W. Peirson 1918-10-21 52 Los Angeles San Antonio Canyon 1341 Comment
  RSA0091978  Clematis ligusticifolia R. G. Swinney 2011-11-1 15937 Los Angeles confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 634 Comment
  RSA187647  Clematis ligusticifolia Robert F. Thorne 1966-9-14 36628 Los Angeles Santa Catalina Island. Middle Ranch Canyon. 198 Comment
  RSA755851  Clematis ligusticifolia R. G. Swinney 2008-7-2 9128 Los Angeles north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon. 1939 Comment
  RSA84469  Clematis pauciflora F. W. Peirson 1921-3-6 s.n. Los Angeles San Gabriel Wash. 213 Comment
  POM243809  Cleome isomeris F. R. Fosberg 1931-4-12 S- 4579 Los Angeles Santa Catalina Island; Palisades near Jewfish Point. 15 Comment
  RSA440830  Cleome isomeris F. R. Fosberg 1931-4-12 S- 4579 Los Angeles Santa Catalina Island; Palisades near Jewfish Point. 15 Comment
  SBBG70277  Cleomella obtusifolia Anstruther Davidson -Jul-1892 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
  UCR259154  Collinsia heterophylla R. G. Swinney 2010-8-30 13613 Los Angeles San Gabriel Mountains, East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream 744 Comment
  UCR179612  Colutea arborescens R. G. Swinney 1991-8-3 1598 Los Angeles San Gabriel Mountains, Glendora, Big Dalton Canyon Debris Basin 351 Comment
  RSA719644  Commelina benghalensis Richard G. Swinney 1998-2-16 5894 Los Angeles mouth of San Gabriel River about 100-350 m north of Foothill Blvd. east bank. 183 Comment
  RSA682722  Conium maculatum LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1107 Los Angeles North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. Follow a ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge., Tributary is north of the 210 freeway. South of freeway tributary will drain into La Tuna Canyon. All survey was done north of the 210. 457 Comment
  UCR160879  Conium maculatum David Charlton 1994-7-24 6043 Los Angeles Western Mojave Desert, Piute Ponds, on roadway between Old Piute and new Piute on main dike road extension of Ave. 'C', SW edge of Rosamond Lake, N of Lancaster 701 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
  SBBG107236  Constancea nevinii J. Rebman, J. Dunn 1996-4-29 3112 Los Angeles between Eel Cove and Eel Cove Cyn 50 Comment
  SBBG131948  Convolvulus arvensis S. A. Junak 2000-5-18 SCa 1303 Los Angeles NW-facing slope overlooking Parson's Landing 73 Comment
  CAS-BOT-BC286122  Conyza canadensis J. H. Thomas 1956-9-29 6457 Los Angeles Pasadena Comment
  POM355839  Conyza canadensis B. C. Templeton 1938-8-4 4327 Los Angeles Exposition Park Comment
  RSA586064  Conyza canadensis Orlando Mistretta 1995-10-2 1930 Los Angeles San Gabriel Mountains: Little Rock Creek. Upstream from Basin Campground 1037 Comment
  RSA587489  Conyza canadensis Orlando Mistretta 1994-9-13 1478 Los Angeles San Gabriel Mountains; Santiago Canyon; Santiago Creek near jct. of Forest Road 4N20 and BM 3980 1159 Comment
  RSA646968  Cordylanthus rigidus subsp. setiger Orlando Mistretta 1992-9-4 792 Los Angeles San Gabriel Mountains: Yerba Buena Trail; Tujunga Ranger District. 1372 Comment
  RSA593824  Coreopsis bigelovii Steve Boyd 1996-4-25 8715 Los Angeles Liebre Mountains, southwestern flank of Liebre Mountain, along Forest Service Road 7N22 ca 1.1 mile E of jtn with 7N23. 1220 Comment
  UCR125435  Coreopsis bigelovii A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25711 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Grapevine Mesa' c. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon 335 Comment
  CAS-BOT-BC287875  Coreopsis californica Timothy S. Ross; J. M. Porter 1994-5-1 7606 Los Angeles SW Mojave Desert: ca 1740 m S of Black Butte and 1000 m W of Three Sisters buttes 947 Comment
  RSA3611  Coreopsis gigantea C. B. Wolf 1932-5-14 3631 Los Angeles Between Avalon and Pebbly Beach, Santa Catalina Island. 30 Comment
  RSA301984  Coreopsis gigantea Jim Shevock 1971-2-13 665 Los Angeles Along Hwy. 46 Comment
  CAS-BOT-BC105691  Corethrogyne filaginifolia Louis Wheeler 1932-10-25 1426 Los Angeles Eagle Rock 228 Comment
  CAS-BOT-BC105693  Corethrogyne filaginifolia Louis Wheeler 1932-9-24 1403 Los Angeles 2 mi. NE La Verne 373 Comment
  CAS-BOT-BC105722  Corethrogyne filaginifolia L. R. Abrams 1916-10-31 6372 Los Angeles Cahuenga Pass Comment
  CHSC34422  Corethrogyne filaginifolia Philip A. Silverstone 1978-8-20 332 Los Angeles Jtn Maguire and Escondido Sts., 0.3 km from jtn Maguire and Latigo Canyon Rd., which is 4.8 km inland from State 1. Comment
  SFV12659  Corethrogyne filaginifolia M. H. Grayum, D. L. Koutnik, B. Balch 1977-11-27 900 Los Angeles Malibu, near Malibu Creek just above Pacific Coast Highway bridge. 3 Comment
  RSA93104  Corethrogyne filaginifolia var. filaginifolia F. W. Peirson 1918-9-15 229 Los Angeles summit of Lukens Peak Comment
  RSA397703  Cornus glabrata M. B. Dunkle 1931-4-22 2462 Los Angeles Hamilton Canyon, Santa Catalina Island. 91 Comment
  RSA585820  Coronilla valentina T. S. Ross, Angelika Brinkmann-Busi 1992-3-28 6057 -b Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; Abalone Cove area; old road from Palos Verdes Drive South to Abalone Cove (now just a trail), NW of Portuguese Point and +/- SSE of the Wayfarers chapel. Comment
  UCD40874  Cotula australis Larry M. MitIch 1983-12-30 s.n. Los Angeles Pasadena. Comment
  RSA600567  Cotula australis L. C. Wheeler 1961-2-25 7799 Los Angeles San Gabriel Mountains. Arroyo Seco. 586 Comment
  RSA651109  Cotula australis A. E. Hersh 1950-7-6 s.n. Los Angeles Garden 4111 Wade St., Venice. 30 Comment
  PASA939  Cotula coronopifolia Alice Cole Los Angeles Azusa 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
  RSA509593  Crassula connata L. C. Wheeler 1967-5-13 9528 Los Angeles San Gabriel Canyon, Ward's Grove. 262 Comment
  RSA592230  Crassula connata var. connata L. C. Wheeler 1967-4-30 9242 Los Angeles San Gabriel Mountains. Limekiln Canyon. 549 Comment
  POM302217  Cressa truxillensis L. N. Goodding 1943-7-30 43 -12 Los Angeles Lancaster Comment
  SEINET10814749 Image available Cressa truxillensis J. Richard Abbott, B. S. Carlsward 1999-6-25 Abbott 12869 Los Angeles greater Los Angeles, north Long Beach, on S side of the Pacific Coast Highway (CA 1) a little E of canal just E of underpass with I-710, close to junction with San Francisco Avenue. Comment
  RSA394750A  Cressa truxillensis Robert Gustafson 1980-7-9 1810 Los Angeles Ballona Wetlands, Area 3. Comment
  SBBG58128  Cressa truxillensis E. Rockwell 1921-1 114 Los Angeles Inglewood 47 Comment
  LA201634  Crinum Arthur C. Gibson; 2004-1-17 4996 Los Angeles 213 Comment
  SBBG115421  Crocanthemum scoparium var. vulgare E. R. Blakley 1963-4-10 5585 Los Angeles jct of White's Landing and Airport Rd, NE side of Black Jack Mtn 365 Comment
  RSA595018  Crossosoma californicum Mark Hoefs 1996-4-6 2670 Los Angeles Santa Catalina Island. Old Bird Park, Avalon canyon. 104 Comment
  SBBG108966  Crossosoma californicum S. A. Junak 1997-4-8 SCl 795 Los Angeles between two forks of upper Wall Rock Cyn 237 Comment
  SBBG30359  Crossosoma californicum R. N. Philbrick with M. L. Long 1968-2-23 B 68 -7 Los Angeles Little Fisherman Cove Comment
  SBBG95703  Crossosoma californicum M. B. Dunkle 1932-1-24 2862 Los Angeles East Ridge of Avalon 91 Comment
  LA201911  Croton californicus Arthur C. Gibson; 2003-6-14 4980 Los Angeles Simi Hills, NW edge Chatsworth Reservoir just E of Valley Circle Blvd, near Chatsworth Lake Manor Comment
  RSA305071  Croton californicus H. J. Ramsey, Henry J. Ramsey 1937-1-2 348 Los Angeles Altadena, vicinity of Craig Ave. 396 Comment
  SBBG133176  Croton setiger B. C. Templeton 1967-7-23 10172 Los Angeles Whitney Cyn; T3N R16W NW1/4 S12 Comment
  RSA0087231  Cryptantha R. G. Swinney 2010-5-11 12673 Los Angeles East of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd. 872 Comment
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Feb 18 2020
  RSA783423  Cryptantha J. D. Olmsted 1959-3-27 322 Los Angeles On terrace 1/4 mile SW of stream gaging station below San Dimas Ranger station; Mt. Range: San Gabriel Mts; Drainage area: San Dimas Creek. 488 Comment
  RSA728334  Cryptantha Gary D. Wallace 1982-4-17 1910 Los Angeles Mojave Desert: Fort Tejon Road S of Pearblossom, between 106th and Longview Road. Comment
  RSA733084  Cryptantha barbigera R. G. Swinney 2001-4-18 7903 Los Angeles Mojave Desert: Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road. 1244 Comment
  RSA595116  Cryptantha circumscissa Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8578 Los Angeles Liebre Mountains, upper West Fork Liebre Gulch along spur leading off along steep ridgeline west of Angeles National Forest Road 8N01, at a point 7.0 road miles from jtn with 8N05. 1204 Comment
  UCR223237  Cryptantha circumscissa R. G. Swinney 2009-5-27 10880 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  LA94301  Cryptantha intermedia Elizabeth Levine; sn Los Angeles Santa Monica Mountains, Point Dume 12 Comment
  RSA697057  Cryptantha intermedia LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1064 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. 543 Comment
  UC56961  Cryptantha intermedia Harley P. Chandler 1897-2-6 Los Angeles Claremont 487 Comment
  UCR155624  Cryptantha intermedia A. C. Sanders, T. B. Salvato 2005-4-26 29700 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa 671 Comment
  UCR205105  Cryptantha intermedia R. G. Swinney 2008-4-11 8667 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  UCR251876  Cryptantha intermedia Victoria M. Woods, David G. Cook 2014-5-10 27 Los Angeles Transverse Range; San Gabriel Mtns., Angeles National Forest, Mount Baldy area, Potato Mountain Trail at Baldy Mtn. Rd turnoff 1043 Comment
  RSA159347  Cryptantha maritima P. H. Raven 1962-4-12 17318 Los Angeles San Clemente Island. Near foot of canyon south of canyon below the Tomb, west side of island 107 Comment
  UCR258877  Cryptantha micromeres R. G. Swinney 2010-5-7 12610 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, 150 m to 0.2 miles west of I-210 Fwy. overpass along Haines Canyon stream channel/ south fork of Big Tujunga Wash 357 Comment
  LA94313  Cryptantha microstachys Carl Epling; 1926-5-8 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA596001  Cryptantha microstachys L. C. Wheeler 1967-5-2 9254 Los Angeles Liebre Mountains. North side of northwestern most end of foothills (of San Gabriel Mts.) between Bouquet Junction and Bonelli Ranch. 396 Comment
  SEINET4044556  Cryptantha muricata D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 121 Comment
  RSA499684  Cryptantha muricata Richard C. Barkelew 1929-4-23 15962 Los Angeles Mulholland Highlands near LA. Comment
  RSA0011526  Cryptantha muricata var. jonesii Orlando Mistretta, Christine Mistretta 2011-6-23 5726 -a Los Angeles Aliso Cyn drainage. Near head of Gleason cyn, W of jct. of Forest Rd. 4N24 and Pacific Crest Trail. 1679 Comment
  RSA0012418  Cryptantha muricata var. muricata Orlando Mistretta, Christine Mistretta 2011-6-16 5700 Los Angeles Northern edge of San Gabriel Mountains, Along Southern California Edison transmission line corridor, 0.5 air miles N of Aliso Canyon Rd. 1141 Comment
  RSA0079604  Cryptantha muricata var. muricata L. C. Wheeler 1967-5-18 9616 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  RSA0028826  Cryptantha nevadensis var. rigida R. G. Swinney 2009-5-13 10782 Los Angeles upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1122 Comment
  RSA596912  Cryptantha nevadensis var. rigida T. S. Ross, J. Mark Porter 1995-5-4 8520 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  VVC2919  Cryptantha nevadensis var. rigida Tim Thomas 2014-5-4 6290 Los Angeles Mojave Desert, Antelope Valley 2.6 miles north of Neenach, just east of aqueduct just south of Ave A. 884 Comment
  RSA0078921  Cryptantha pterocarya var. pterocarya Orlando Mistretta, Christine Mistretta 2008-4-3 s.n. Los Angeles Liebre Mountains region: near the intersection of Southern California Edison Transmission Line and Peaceful Valley Road, North of intersection of transmission Line and State Hwy 14, in the vicinity of Soledad Pass (Segment 5, structure 60 per TRTP survey; 2008). 1083 Comment
  UCR280533  Cryptantha pterocarya var. purpusii R. G. Swinney 2014-4-10 16021 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  RSA611837  Cryptantha similis Steve Boyd, Valerie Soza 1998-4-28 10175 Los Angeles Liebre Mountains region: Antelope Valley, at foot of Portal Ridge along Lancaster Road, just south of the junction with Highway 138, west of Fairmont. Comment
  RSA630749  Cryptantha similis L. C. Wheeler 1973-4-7 s.n. Los Angeles Kentucky Springs Canyon. 1219 Comment
  RSA729866  Cryptantha similis R. G. Swinney 1999-6-5 7261 Los Angeles San Gabriel Mtns.: east side of Big John Peak, west of Mescal Creek above Big John Flat. 1780 Comment
  SBBG131887  Cryptantha traskiae S. A. Junak, D. Wilken 1996-3-27 SCI 259 Los Angeles just S of Eel Cove Cyn 24 Comment
  UCR179974  Cuscuta R. G. Swinney 1996-8-7 5218 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half of Brown's Flat 1341 Comment
  CAS-BOT-BC224484  Cuscuta californica Le Roy Abrams 1900-8-1 1027 Los Angeles Ballona Harbor Comment
  RSA603526  Cuscuta californica Sara L. Crockett 1997-4-2 641 Los Angeles Santa Catalina Island, third N/S trending ridge on n side of Skull canyon, 0.65 mile up Skull canyon from jct. with Middle Canyon road, 0.25 mile up ridge. 308 Comment
  CDA39949  Cuscuta campestris Pomona (entomology) 1961-8-19 s.n. Los Angeles 0 Comment
  SEINET12277951  Cuscuta ceanothi I. W. Clokey, Templeton, B. 1929-1 4590 Los Angeles Mandeville Canyon, Santa Monica Mountains 200 Comment
  RSA409717  Cuscuta subinclusa George Price 1967-5-20 sn. Los Angeles Whittier narrows Comment
  RSA732818  Cycladenia humilis R. G. Swinney 2000-9-16 7867 Los Angeles San Gabriel Mtns.: Coldwater Canyon tributary, 1st canyon south of San Antonio Ridge. 2439 Comment
  RSA726053  Cycladenia humilis var. venusta R. G. Swinney 1997-6-25 5639 Los Angeles San Gabriel Mountains: southwest of Wrightwood, Blue Ridge ca. 0.5 mi. W of Guffy Camp, Forest Service Rd. 3N06, ca. 5.1 miles east of Hwy 2. 2518 Comment
  RSA0116826  Cylindropuntia echinocarpa R. G. Swinney 2010-6-1 13087 B Los Angeles San Gabriel Mountains; Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1067 Comment
  RSA483536  Cynodon dactylon F. R. Fosberg 1931-4-1 S 4439 Los Angeles Santa Catalina Island: Hamilton Canyon near Avalon 75 Comment
  SEINET5155897  Cynodon dactylon Unknown 2002-8-11 70 Los Angeles Sepulveda Blvd. 0.5 km S of Hwy 118. Comment
  OBI45102  Cyperus eragrostis J. Ewau 1931-7-31 4778 Los Angeles Telegraph Rd near Santa fe Crossing Comment
  RSA365077  Cyperus eragrostis T. S. Clare 1929-4-10 s.n. Los Angeles Verdugo Hills Comment
  UCR273908  Cyperus eragrostis Steven A. Junak 1999-7-17 SCa- 1068 Los Angeles California Islands, Santa Catalina Island. West end of 'Rig Field' plant stop 213 Comment
  POM220093  Cyperus esculentus L. C. Wheeler 1932-8-9 1127 Los Angeles 2 miles SW [of] Azusa 107 Comment
  POM14599  Cyperus esculentus Joseph Clemens 1921-10-28 s.n. Los Angeles Los Angeles. Exposition Park. Comment
  POM184656  Cyperus esculentus L. C. Wheeler 1932-9-23 1402 Los Angeles San Gabriel. 106 Comment
  RSA0062565  Cyperus involucratus R. G. Swinney 2010-8-16 13543 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA0081778  Cyperus squarrosus R. G. Swinney 2010-9-7 13705 Los Angeles Crystal Lake, within 50 ft. of shore line around the entire perimeter. 1683 Comment
  RSA0080647  Cystopteris fragilis R. G. Swinney 2010-8-9 13483 Los Angeles Big Santa Anita Canyon, just below (downstream from) Spruce Grove Campground 915 Comment
  SBBG19141  Dactylis glomerata M. A. Piehl 1963-12-8 631100 Los Angeles W border of loading area at airfield 51 Comment
  UCR43312  Dactylis glomerata David Charlton 1986-6-15 241 Los Angeles San Gabriel Mtns, Lightning [=Blue?] Ridge at the intersection of Forest Rd. 3N06 and Angeles Crest Hwy, c. 4 mi NW of the San Bernardino Co. line and 5 mi NW of Wrightwood 2256 Comment
  CATA903  Daucus pusillus Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-14 1741 Los Angeles Santa Catalina Island: Hillside south of Ben Weston Beach 30 Comment
  JEPS16001  Daucus pusillus Frank W. Peirson 1919-6-7 500 Los Angeles San Gabriel Mts., San Antonio Region, Cow Canyon Divide 1371 Comment
  SDSU2269  Daucus pusillus R. M. Beauchamp 1967-6-3 553 Los Angeles On south hillside above Horse Canyon, San Clemente Island. 427 Comment
  UC1587227  Deinandra clementina Tim Ross 1991-5-20 5354 Los Angeles un-named knoll ca 5500 ft s Wilson Cove Settlement (westerly slope 2500 ft nw of the 750 ft BM); San Clemente Island 205 Comment
  SFV22028  Deinandra fasciculata V. Soza, I. E. Anderson, L. Gross 2000-6-6 982 Los Angeles Verdugo Mountains Southwest side of Verdugo Mountains. Along Chandler Fire Road (Verdugo Mountainway), northeast of O' La Tuna, above Fisher Canyon, south of La Tuna Canyon. Open ridgetop alongside fire road. 488 Comment
  CAS-BOT-BC299292  Deinandra fasciculata E. R. Blakley 1962-6-9 5174 Los Angeles San Clemente National Forest 3/4 of a mile southeast of Triangulation Point Wall No. 2, San Clemente Island 198 Comment
  UCR143550  Delphinium cardinale L. C. Wheeler 1947-6-27 6531 Los Angeles San Gabriel Valley, San Gabriel Wash, 0.25 mile south of Arrow Highway 122 Comment
  RSA394500  Delphinium cardinale R. J. Tinkler 1969-7-4 s.n. Los Angeles Lopez Canyon Road, San Fernando. Comment
  RSA604721  Delphinium cardinale Louis C. Wheeler 1931-6-3 S 36 Los Angeles Claremont. 381 Comment
  RSA772390  Delphinium parishii R. G. Swinney 2009-5-12 10715 Los Angeles lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg.) of Littlerock. 1061 Comment
  RSA579316  Delphinium parishii subsp. parishii Tim S. Ross 1994-5-31 7978 Los Angeles San Gabriel Mountains: vicinity of Pacifico Mountain: upper northerly slope of major flat-topped ridge ca. 680 m due W of Sheep Camp Spring. 2049 Comment
  RSA249818  Delphinium parishii subsp. parishii Robert F. Thorne, Gary D. Wallace 1973-4-25 43372 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1/4 mi N of Bob's Gap, 3.5 miles S of Llano, N slope of Holcomb Ridge 1159 Comment
  RSA305974  Delphinium parishii subsp. parishii J. L. Huber 1975-6-8 1551 Los Angeles San Gabriel Mountains, 1 mi. north of U.S. Forest Sevice station 1524 Comment
  SD185300  Delphinium parryi A. C. Sanders, T. B. Salvato 2005-4-26 29750 Los Angeles Santa Clarita, south of Plum Canyon at end of Canyon Crest Dr., NW of mouth of Mint Canyon 487 Comment
  UC854180  Delphinium parryi Ira W. Clokey, B. Templeton May 1929 4555 Los Angeles ridge Santa Monica Mountains, Mandeville Canyon 500 Comment
  UCR142072  Delphinium parryi A. C. Sanders, Mark A. Elvin, et al 2003-5-1 26270 Los Angeles Western San Gabriel Mtns., NE side of Castaic Mesa, c. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch 457 Comment
  RSA724619  Delphinium parryi K. Dobry 1992-10-25 d- 1068 Los Angeles Santa Monica Mts. in the City of Westlake at So. end of Las Virgenes Reservoir at So. end of Lindero Cyn. Comment
  SBBG128443  Delphinium parryi subsp. parryi M. L. Hoefs 1995-5-23 2135 Los Angeles upper Middle Cyn 225 Comment
  RSA798762  Delphinium patens subsp. hepaticoideum Jason Koontz, Bart O'Brien 2012-5-17 289 Los Angeles Glendora Ridge Rd. N-Facing semi-stabilized scree slope. Comment
  OBI71767  Dendromecon rigida Tony Simon 1994-4-30 12 Los Angeles San Gabriel Mts. Big Tujunga Cyn Rd. 6 mi past jctn with Angeles Crest hwy- trl on left of road 762 Comment
  UC1595374  Dendromecon rigida Tim Ross 1992-7-16 6705 Los Angeles ridgeline between Iron Mtn and Condor Peak (3 deg n, 550m distant from Condor Peak summit, on se slope of 4949 ft knoll); San Gabriel Mountains 1490 Comment
  RSA229066  Deschampsia danthonioides R. F. Thorne, C. W. Tiforth 1971-6-30 40779 Los Angeles San Gabriel Mountains, Angeles National Forest: Pinyon Flats 1.6 miles below Alder Saddle along dry branch of S fork of Little Rock Creek 1585 Comment
  JEPS53437  Descurainia pinnata Frank W. Peirson 1919-1-25 309 Los Angeles Arroyo Seco; San Gabriel Mountains 381 Comment
  UCR271531  Descurainia pinnata R. G. Swinney 2011-5-31 14916 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
  UCR281412  Descurainia pinnata subsp. glabra R. G. Swinney 2014-4-30 16264 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
  RSA0068311  Descurainia sophia R. G. Swinney 2010-5-12 12720 Los Angeles Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone. 921 Comment
  RSA191355  Dicentra chrysantha Robert F. Thorne, M. Z. Thorne 1967-7-19 37155 Los Angeles Angeles National Forest: Above Crystal Lake Recreation Area between Deer Flat Campground and Big Cienega Springs. 1951 Comment
  RSA523567  Dicentra chrysantha G. H. True 1935-5-16 299 Los Angeles Bouquet Canyon. 762 Comment
  RSA0056408  Dicentra ochroleuca James R. Shevock 1970-6-2 270 Los Angeles Santa Monica Mts. 426 Comment
  SD112030  Dichelostemma capitatum subsp. capitatum Linda Allen, Betsy Carpenter 1975-3-20 Los Angeles Santa Catalina Island. In mid-Avalon Canyon, Hour Trail. Comment
  UCR120585  Dichelostemma capitatum subsp. capitatum Steven R. Hill, K. Kramer 2001-4-22 33340 Los Angeles Southwestern Mojave Desert, N side of San Gabriel Mtns. Antelope Valley, east of California Poppy Reserve, N and S sides of Avenue I (Lancaster Rd.), 1.5 mi west of Munz Ranch Road, 2.6 mi west of junction with 120th Street West, about 15 mi due NW of Palmdale 805 Comment
  UCD64075  Digitaria sanguinalis Peter H. Raven 1957-9-21 11345 Los Angeles West Channel Road, Santa Monica. Comment
  UCR270241  Diospyros lotus R. G. Swinney 2011-6-30 15395 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  CAS-BOT-BC150648  Diplacus longiflorus F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  CAS-BOT-BC150866  Diplacus puniceus John I. Carlson 1915-6-13 s.n. Los Angeles Avalon, Santa Catalina Isl. Comment
  RSA748076  Distichlis spicata R. G. Swinney 2005-5-21 8271 Los Angeles west of Punch Bowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  RSA749655  Distichlis spicata R. G. Swinney 2005-8-5 8363 Los Angeles Caldwell Lake at Mile High, 0.4 mi. west of jct. of 204th St. East and Big Pines Hwy 1561 Comment
  SEINET3128946  Distichlis spicata G. B. Grant 1904-6-5 289 Los Angeles Redondo Comment
  SEINET10558198  Distichlis spicata var. stolonifera LeRoy R. Abrams Abrams 1440 Los Angeles Los Angeles. Comment
  SFV2696  Dodecatheon clevelandii C. Gasser 1956-3-2 s. n. Los Angeles Santa Monica Mountains 1 mile from Highway 101 on Malibu Canyon Road. 366 Comment
  UCD118802  Dodecatheon clevelandii Gordon Pilone 1961-3-3 107 Los Angeles Padua Hills, 100 yards above Spanish restaurant. San Gabriel Mt. Range. 396 Comment
  SBBG108186  Dodecatheon clevelandii subsp. insulare S. L. Crockett 1997-1-18 556 Los Angeles Knobby Ridge, 0.6 mi WSW of Coach Rd (to Airport) from point 0.2 mi W of jct with Middle Ranch Rd Comment
  RSA461362  Dodecatheon clevelandii subsp. sanctarum George Vowels 1968-3-19 s.n. Los Angeles Santa Monica Mountains, Encinal Canyon, approx. 1.5 milesW of Mulholland Highway. 335 Comment
  UCR124243  Dodecatheon clevelandii subsp. sanctarum L. C. Wheeler 1969-4-1 s.n. Los Angeles San Gabriel Mtns, 0.4 mi SW of Big Cienega on ridge on south side of Big Dalton Canyon near mouth 640 Comment
  POM820  Dryopteris arguta P. A. Munz 1918-3-28 2000 Los Angeles Canyon near Palmer's Canyon. Comment
  RSA642700  Dryopteris arguta Orlando Mistretta 1992-7-13 s.n. Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  RSA675014  Dryopteris arguta LeRoy Gross 2003-2-22 741 Los Angeles South side; Along Brand Canyon (fire burned this area in Summer-fall of 2002). Above the falls area up the west fork drainage area of Brand Canyon. 479 Comment
  UCR261573  Dryopteris arguta Joseph Cahill 2010-12-22 1210- 11 Los Angeles Western Transverse Range; Santa Monica Mountains, Solstice Canyon, c. 1 mile from Pacific Coast Highway, near base of Solstice Canyon falls 73 Comment
  SFV110  Dryopteris arguta P. G. Kilburn 1957-11-30 552 Los Angeles Santa Monica Mountains Sepulveda Canyon, 3 miles south of Mulholland Road. Steep side canyon, going due west from Sepulveda Blvd. Comment
  RSA503487  Dudleya abramsii R. F. Thorne, C. W. Tilforth 1971-6-29 40687 Los Angeles Aliso Creek, 1.5 mi. E. of confluence. 854 Comment
  CAS-BOT-BC109679  Dudleya cymosa subsp. agourensis K. Nakai 1980-5-25 607 Los Angeles Santa Monica Mountains, on California Highway 23 between Potrero Road and Carlisle Road across Lake Eleanor. 300 Comment
  RSA612311  Dudleya densiflora L. C. Wheeler 1932-7-9 951 Los Angeles San Gabriel Mountains: Rogers [Roberts] Canyon. 441 Comment
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Jan 19 2007
  UCR157912  Dudleya lanceolata Robert J. Steers 2005-5-8 22 Los Angeles South Coast, Palos Verdes Peninsula: on primarily south-facing hillside that is 200 ft west of Pirate Dr. along the north side of Forrestal Dr 183 Comment
  RSA136781  Dudleya lanceolata Percy C. Everett, E. K. Balls 1960-5-30 24134 Los Angeles San Gabriel Canyon, 2.2 mi. from entrance to Angeles Nat. Forest 365 Comment
  UC1127124  Dudleya multicaulis Jerome S. Horton 1937-5-8 440 Los Angeles San Dimas Canyon; San Dimas Experimental Forest, Pomona Quad. 518 Comment
  SD132742  Dudleya virens James C. Dice, Rowena Thompson & Bob Thompson 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. 64 Comment
  CAS-BOT-BC109755  Dudleya virens subsp. insularis E. K. Balls 1949-6-12 13475 Los Angeles Avalon, Catalina Island. Comment
  SD112655  Dysphania botrys D. F. Howe 1956-7-1 2550 Los Angeles Tujunga Can, San Gabriel Mts. 456 Comment
  UCR223615  Dysphania pumilio R. G. Swinney 2009-6-27 11284 Los Angeles Transverse Range; San Gabriel Mtns./San Gabriel Valley, San Gabriel River Wash, Azusa/Duarte border, 0.5 mi. north of Puente Largo railway bridge 194 Comment
  UC403454  Echinocereus engelmannii unknown 1924-8-1 Los Angeles Claremont Comment
  CAS-BOT-BC197259  Echinochloa muricata var. microstachya F. H. Bosbyshell 1961-8-22 LASCA- 462 Los Angeles Pasadena Comment
  UCSB42947  Ehrendorferia ochroleuca Martincich, M. 1980-4-5 Los Angeles Highway 23 at summit, east of Highway 1 731 Comment
  RSA752476  Ehrharta calycina Justin M. Wood 2009-4-22 525 Los Angeles City of San Dimas, Sycamore Canyon, Falcon Ridge Ranch. 412 Comment
  SEINET10558271  Ehrharta calycina Ross 1991-5-17 Ross 5082 Los Angeles San Clemente Island: Sand dunes of coastal terrace at West Cove, SW of the new landing field. 6 Comment
  UCD61218  Ehrharta erecta Charles F. Hewitt 1975-3-13 LASCA 1038 Los Angeles South African section. Arcadia. Los Angeles State and County Aboretum. Comment
  UCR182120  Eleocharis macrostachya R. G. Swinney 1997-6-19 5621 Los Angeles San Gabriel Mtns., Jackson Lake, west of Wrightwood 1872 Comment
  RSA590827  Elymus Orlando Mistretta 1992-5-4 218 Los Angeles Little Rock Creek, Alimony Ridge. 1463 Comment
  UCR273412  Elymus X hansenii R. G. Swinney 2011-6-22 15251 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
  RSA0056275  Elymus condensatus Orlando Misretta, Mike Hammitt 1991-4-15 s.n. Los Angeles San Francisquito Canyon. 543 Comment
  UCR223568  Elymus elymoides R. G. Swinney 2009-6-3 11028 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
  SEINET10564718  Elymus elymoides LeRoy R. Abrams 1902-6-29 Abrams 2597 Los Angeles Open pine forests, Mt. Wilson. Comment
  RSA239027  Elymus elymoides subsp. elymoides C. W. Tilforth, John Dourley 1973-5-24 817 Los Angeles 2.3 mi. NW of Mile High, above Shoemaker Canyon, north edge of San Gabriel Mountains. Comment
  UC53400  Elymus glaucus Dr. A. Davidson Los Angeles Lancaster Comment
  CAS-BOT-BC206749  Elymus glaucus subsp. glaucus LeRoy Abrams 1901-6-1 1831 Los Angeles West Fork of San Gabriel Riv. Comment
  RSA729204  Elymus trachycaulus R. G. Swinney 1998-9-7 6930 Los Angeles Dawson Peak ridge, Dawson Peak Ridge Trail. West-facing slope; montane coniferous forest with Pinus contorta. 2756 Comment
  CATA256  Emmenanthe penduliflora Mark L. Hoefs, A. Douglas Propst 1973-5-4 260 Los Angeles Santa Catalina Island: By West End Road, near Lyon's Head Point 70 Comment
  UCD119224  Emmenanthe penduliflora Kenneth A. Wilson 1961-4-26 1159 Los Angeles Soledad Canyon, adjacent to Bee Canyon, north of River's End Ranch. Comment
  UCR186777  Emmenanthe penduliflora A. C. Sanders 2006-5-16 32345 Los Angeles Tehachapi Mtns. Foothills, off Gorman Post Rd. near the Bailey Substation, c. 1 mile west of Quail Lake 1067 Comment
  UCR256165  Emmenanthe penduliflora R. G. Swinney 2010-3-22 12002 Los Angeles San Gabriel Mountains, West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  CATA712  Emmenanthe penduliflora var. penduliflora Mark L. Hoefs 1991-5-3 1212 Los Angeles Santa Catalina Island: Above road on north-west side of Descanso Canyon, near entry to Hamilton Cove 79 Comment
  RSA678205  Emmenanthe penduliflora var. penduliflora Valerie L. Soza, LeRoy Gross 2001-5-14 1213 Los Angeles Santa Anita 1999 Fire area, above Santa Anita Canyon, ca. 0.7 mile west of the Santa Anita Dam. 762 Comment
  UCR155595  Encelia actoni A. C. Sanders, Helen Kennedy 2005-4-13 29452 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCR222983  Encelia actoni R. G. Swinney 2009-5-13 10769 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
  SBBG45038  Encelia californica I. W. Clokey, B. Templeton -Mar-1929 4453 Los Angeles Mandeville Cyn 200 Comment
  UCR13465  Encelia californica O. F. Clarke, B. T. Gittins, D. Kucera & So. Cal. Botanists Fld. Trip 1968-2-25 s.n. Los Angeles Channel Islands, Santa Catalina Island, within 0.5 mile of the U.S.C. Marine Sciences Station at the isthmus on the N end of the island 213 Comment
  UCR214615  Encelia californica A. C. Sanders, Dan S. Cooper 2010-3-12 37356 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA167858  Encelia californica R. F. Thorne, Percy C. Everett 1964-2-6 33283 Los Angeles Isthmus, west of Catalina Harbor, Santa Catalina Island. 8 Comment
  SEINET7837722  Encelia farinosa Unknown 1973-5-16 Los Angeles San Gabriel Mountains. Mouth of Van Tassel Canyon. Comment
  JEPS76568  Ephedra nevadensis L. R. Heckard 1977-4-7 4634 Los Angeles Edwards Air Force Base across from Phacelia Wildlife Sanctuary (e of Lancaster); Edwards Air Force Base Comment
  OBI2903  Ephedra nevadensis Lewis S. Rose 1968-4-5 68014 Los Angeles Acton, Mojave Desert 823 Comment
  CAS-BOT-BC81971  Ephedra viridis I. M. Johnston 1917-8-23 1721 Los Angeles San Antonio Mountains. Prairie Fk of San Gabriel R. 1524 Comment
  SEINET5869067 Image available Ephedra viridis C. E. Jones, Y. Atallah 2001-1 CEJ 19 Los Angeles Rock Springs Rd ca 0.1 mi above/SW of intersec with Big Pines Hwy, NW side of rd on banks of Rock Springs Creek. In northeastern foothills of San Gabriel Mountains. Comment
  UCR150393  Ephedra viridis L. C. Wheeler 1967-5-31 9797 Los Angeles Transverse Ranges: San Gabriel Mountains region, San Gabriel Mtns: just over the rise immediately west of Caldwell Lake Comment
  UCR126332  Epilobium canum A. C. Sanders 2003-8-5 27109 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters 366 Comment
  CAS-BOT-BC166207  Epilobium canum subsp. canum F. Grinnell Jr. 1917-7-29 s.n. Los Angeles Mt. Lowe - San Gabriel Ridge, San Gabriel Mountains 1615 Comment
  RSA588403  Epilobium canum subsp. canum T. S. Clare, G. R. Johnstone 1929-10-20 s.n. Los Angeles Eaton Canyon Rd. San Gabriel Mts. 915 Comment
  RSA591466  Epilobium canum subsp. canum Louis C. Wheeler 1966-10-12 8968 Los Angeles San Gabriel Mountains. Susanna Canyon, 1/4 mi. downstream from falls. 534 Comment
  SDSU8892  Epilobium canum subsp. canum Harvey 1938-8-7 2201 Los Angeles Near Malibu. Comment
  UC717982  Epilobium canum subsp. canum Reid Moran 1942-10-27 1438 Los Angeles ravine near top Santa Susana Grade Comment
  UCR126716  Epilobium ciliatum A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27147 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  UCR210222  Epilobium ciliatum R. G. Swinney 2008-8-14 9430 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek at South Fork Campground Spring 1402 Comment
  RSA702437  Epilobium ciliatum subsp. ciliatum Scott D. White 2004-7-28 10659 Los Angeles San Gabriel Mountains: Clear Creek area. In and around The Pines picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  UC306263  Epilobium ciliatum subsp. ciliatum I. Johnston 1917-5-13 Los Angeles El Monte 91 Comment
  POM247922  Epilobium glaberrimum subsp. glaberrimum Joseph A. Ewan 1936-8-13 10035 Los Angeles Sufts about the margin of spring hole, Lamel Springs on N slope of N Baldy 2652 Comment
  SD237533  Epilobium pygmaeum A. C. Sanders, Dan S. Cooper 2010-4-30 38147 Los Angeles South Coat: Madrona Marsh, Torrance. Former oil field with gravel service road remnants. 24 Comment
  SBBG58841  Epipactis gigantea M. N. Ackley -May-1922 695 Los Angeles Airdale Cyn, Glendale 30 Comment
  UCR192898  Epipactis gigantea R. G. Swinney 1998-8-6 6702 Los Angeles San Gabriel Mtns., Alder Gulch, a western tributary of upper East Fork San Gabriel River 1311 Comment
  UCR204749  Epipactis gigantea R. G. Swinney 2005-8-9 8423 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  POM175361  Epipactis gigantea E. Crow 1930-6-29 s.n. Los Angeles Along trail between Camp Coldbrook and Pine Flats, San Gabriel Mountains. Comment
  RSA600600  Epipactis gigantea Louis C. Wheeler 1968-9-3 s.n. Los Angeles San Gabriel Mountains: Widman Ranch, near house. Comment
  RSA69900  Equisetum hyemale var. affine R. G. Swinney 2009-6-12 11132 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
  RSA650207  Equisetum hyemale var. affine G. Foster 1961-6-3 127 Los Angeles West Covina Comment
  RSA0072152  Equisetum laevigatum Orlando Mistretta, Mike Hammit 1991-4-15 s.n. Los Angeles Liebre Mountains region: San Francisquito Canyon. 543 Comment
  RSA684700  Equisetum laevigatum Anstruther Davidson 1905-5-11 1430 Los Angeles Frordencie Ranch(?), L.A. River Comment
  UCD135516  Equisetum laevigatum Louis C. Wheeler 1932-7-2 890 Los Angeles San Dimas Canyon, San Gabriel Mts. 457 Comment
  SEINET11677286  Eragrostis mexicana Unknown 1931-1 s.n. Los Angeles 6 mi W of Harold Comment
  CAS-BOT-BC213598  Eragrostis mexicana subsp. mexicana A. J. McClatchie 1893-9-24 s.n. Los Angeles Along street, Pasadena Comment
  RSA640877  Eragrostis mexicana subsp. virescens L. C. Wheeler 1967-8-8 10371 Los Angeles Loomis Ranch, Alder Creek 1311 Comment
  UCR281606  Eremalche exilis R. G. Swinney 2014-4-18 16135 Los Angeles San Gabriel Mountains, jct. of Little Rock Wash and Mt. Emma Rd., on east side of wash, c. 100 m. north of Mt. Emma Rd. 927 Comment
  RSA0048583  Eremocarpus setiger P. R. Brown 1970-6-10 s.n. Los Angeles Pierce College Nature Center, Canon de Lana. Comment
  CAS-BOT-BC174384  Eremogone macradenia var. arcuifolia Steve Boyd; Timothy S. Ross; Laura Moore; Valerie Soza 1997-7-8 10010 Los Angeles Liebre Mountains Region: Western summit of Liebre Mountain, a distinctive, rounded knoll south of head of Cold Canyon 1706 Comment
  UCR223391  Eriastrum densifolium R. G. Swinney 2009-7-22 11359 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCSC011211  Eriastrum densifolium Adam Searcy 2015-7-24 71 Los Angeles Santa Clarita, Vista Canyon Ranch, Santa Clara River Comment
  UC303736  Eriastrum densifolium subsp. austromontanum I. M. Johnston 1917-7-28 1587 Los Angeles San Antonio Canyon San Antonio Mountains 1600 Comment
  UC586874  Eriastrum densifolium subsp. austromontanum Joseph Andorfer Ewan 1934-8-3 8322 Los Angeles Le Montaine Creek Swartout Valley area, Table Mt. (head, n end of mt.) 2225 Comment
  UCR270078  Eriastrum densifolium subsp. austromontanum R. G. Swinney 2011-7-21 15553 A Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  UCR84558  Eriastrum densifolium subsp. densifolium T. S. Ross, Steve Boyd 1994-7-7 8172 Los Angeles San Gabriel Mtns., upper Cienaga Canyon: S base of Liebre Mtn, just on the north side of the 'Kelly Ranch' inholding (USFS map, 1958; 'Knapp Ranch,' Angeles National Forest map, 1982). 1018 Comment
  UCR231914  Eriastrum rosamondense Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-18 7993 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, 100 m west of Sierra Highway and 200 m south of Avenue A 703 Comment
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Mar 29 2014
  RSA0121264  Eriastrum sapphirinum subsp. dasyanthum P. A. Munz 1920-12-5 4404 Los Angeles Claremont. 366 Comment
  CAS-BOT-BC131691  Ericameria cooperi var. cooperi John Thomas Howell 1930-5-12 4869 Los Angeles 1 mile north of Acton Comment
  JEPS19136  Ericameria cuneata var. cuneata Frank W. Peirson 1918-9-7 222 Los Angeles trail from Mt. Lowe to Mt. Wilson; San Gabriel Mountains 1615 Comment
  CAS-BOT-BC287627  Ericameria linearifolia Carl B. Wolf 1928-3-29 1553 Los Angeles At S side of Antelope Valley, 2 miles S of Neenach 1066 Comment
  UCR276828  Ericameria linearifolia R. G. Swinney 2010-5-21 12872 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
  SEINET6054044  Ericameria linearifolia Unknown 1997-3-21 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  UCR240024  Ericameria nauseosa R. G. Swinney 2009-11-13 11598 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Little Rock Creek and Carr Canyon, N of Mt. Emma Rd. 909 Comment
  CAS-BOT-BC298896  Ericameria nauseosa var. bernardina Tim Ross 1990-8-17 3160 Los Angeles San Gabriel Mts: road crossing of the drainage just below Icy Springs, in upper Big Rock Creek 1737 Comment
  UC205590  Ericameria nauseosa var. bernardina I. M. Johnston 1917-8-22 1652 Los Angeles San Antonio Mountains, Pine Mt. Ridge 2438 Comment
  JEPS30713  Ericameria palmeri var. pachylepis Peter H. Raven 1961-10-19 16865 Los Angeles Botanic Garden Claremont, Botanic Garden 259 Comment
  UCR141038  Ericameria parishii June Latting, Ted Hanes, et al 1977-10-15 s.n. Los Angeles San Gabriel Mountains, fuelbreak below Chilao Flat, Angeles Crest 1659 Comment
  UC86693  Ericameria pinifolia J. C. Nevin Los Angeles Newhall Comment
  SBBG62775  Ericameria teretifolia R. Hoffmann 1928-11-11 Los Angeles Little Rock Dam Comment
  UC122500  Erigeron breweri var. bisanctus C. F. Baker 1903-8-2 3451 Los Angeles near Claremont; San Antonio Canyon Comment
  CHSC96048  Erigeron canadensis LeRoy Gross; Valerie Soza, Neil Gilbert 2000-10-18 277 Los Angeles Verdugo Mountains: Saddle where Stough Canyon Mountainway and Verdugo Mountainway meet. 609 Comment
  OBI26285  Erigeron canadensis Mark Schneider 1974-1-8 s.n. Los Angeles Pierce College Hort. Unit 244 Comment
  OBI70313  Erigeron foliosus Louis C. Wheeler 1970-7-25 s.n. Los Angeles San Gabriel Mts: Heliport 0.3 mi N of South Mt Hawkins 2286 Comment
  CAS-BOT-BC296182  Erigeron foliosus var. foliosus F. Grinnell Jr. 1917-7-29 s.n. Los Angeles Mt. Wilson, San Gabriel Mountains 1794 Comment
  OBI5692  Erigeron foliosus var. foliosus Carl B. Wolf 1931-5-13 1999 Los Angeles Pacoima Wash, near bridge on the rd from Tujunga to san Fernando 366 Comment
  UCR281720  Erigeron foliosus var. franciscensis Neil Uelman 2017-6-23 s.n. Los Angeles Palos Verdes Peninsula, Malaga Canyon, along Malaga Canyon Trail 186 Comment
  UCR119286  Eriodictyon crassifolium A. C. Sanders, D. Malueg 1998-6-22 22049 Los Angeles San Gabriel Mtns., Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon 1006 Comment
  UCSB5274  Eriodictyon crassifolium Newby, Ron 1959-5-15 Los Angeles 10 miles E. of Saugus in Mint Canyon 304 Comment
  RSA0030899  Eriodictyon crassifolium Bonnie C. Templeton, I. W. Clokey, C. B. Clokey 1930-5-13 1466 Los Angeles Bouquet Canyon. 600 Comment
  RSA0088260  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-5-25 12966 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
  CAS-BOT-BC188962  Eriodictyon parryi A. D. E. Elmer 1902-6-1 3643 Los Angeles Mount Gleason, Acton Comment
  RSA0110752  Eriodictyon traskiae Steven A. Junak 2000-5-19 SCa- 1306 Los Angeles Santa Catalina Island. Along road to White's Landing, 0.1 mi. from intersection with airport road. 408 Comment
  SBBG65121  Eriodictyon trichocalyx R. Hoffmann 1928-11-11 Los Angeles Little Rock Dam Comment
  LA205726  Eriodictyon trichocalyx var. trichocalyx W. R. Ernst; May 1948 sn Los Angeles San Gabriel Canyon Comment
  RSA766484  Eriogonum Joseph A. Ewan 1932-10-22 10802 Los Angeles Catalina Island. Above Avalon Comment
  UCR180580  Eriogonum angulosum Scott D. White, Pam Devries 2006-5-10 11452 Los Angeles SE Tehachapi Mtns, Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Road 1098 Comment
  UCR215348  Eriogonum angulosum Michael Honer, Crissy Slaughter, Julie Love 2009-4-29 3288 Los Angeles Western Mojave Desert, Antelope Valley; 0.75 mi. north of Hwy 138, 1.2 miles east of 170th St. 793 Comment
  SBBG61917  Eriogonum cinereum R. Hoffmann 1931-8-23 Los Angeles Santa Monica Comment
  SD31178  Eriogonum cinereum Edith A. Purer 1931-3-12 Los Angeles Palos Verdes Hills Comment
  UCR17952  Eriogonum cinereum Edith A. Purer 1932-8-31 s.n. Los Angeles Southern Coast, Palos Verdes Hills 244 Comment
  RSA580096A  Eriogonum cithariforme var. agninum Tim S. Ross, S. D. Boyd, Steve Burns 1994-7-7 8144 A 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
  UCR126824  Eriogonum cithariforme var. agninum A. C. Sanders 2003-6-19 26974 Los Angeles Western Transverse Range/Santa Clara River Watershed, hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch 412 Comment
  RSA393166  Eriogonum cithariforme var. cithariforme Anstruther Davidson 1905-10 1453 Los Angeles Santa Monica Hills west of [Encino?] Road Comment
  CAS-BOT-BC242764  Eriogonum davidsonii Louis C. Wheeler 1933-10-22 2191 Los Angeles Crystal Lake, San Gabriel Mts. 1706 Comment
  RSA777619  Eriogonum davidsonii Orlando Mistretta, Christine Mistretta 2010-5-20 5146 Los Angeles Slopes W of Angeles Forest Hwy, about 0.6 miles N of jct. with Aliso Cyn Rd. 1189 Comment
  UCR137723  Eriogonum davidsonii L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mtns, Divide between Punchbowl Canyon and Watkins Creek, at end of the road and beginning of Burkhart Trail 1585 Comment
  UCR145950  Eriogonum davidsonii Orlando Mistretta 1995-6-23 1826 Los Angeles Transverse Ranges; San Gabriel Mountains, Lookout Mt. Trail. Orobanche valida survey site 2 1829 Comment
  UC1094047  Eriogonum elongatum var. elongatum Peter H. Raven 1957-9-21 11335 Los Angeles hillside at nw end of campus University of California at Los Angeles Comment
  OBI44791  Eriogonum fasciculatum David J. Keil, V. L. Holland, Michael Stile, and Francis Villablanca 1987-5-1 20050 Los Angeles Angeles Natl Forest, Littlerock Reservoir Comment
  RSA0091785  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2011-7-7 15426 Los Angeles Colby Ranch (Camp Colby), S end of Inspiration Canyon Tr., in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  RSA773292  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-6-24 11281 Los Angeles summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1909 Comment
  UCR261771  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-2-27 11740 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
  CHSC1320  Eriogonum fasciculatum var. foliolosum E. Thomas 1938-3-17 Los Angeles Claremont Comment
  RSA393409  Eriogonum fasciculatum var. foliolosum Lester H. Cushman 1933-6-4 s.n. Los Angeles Glendale 488 Comment
  RSA393461  Eriogonum fasciculatum var. foliolosum M. B. Dunkle 1933-7-11 3646 Los Angeles Upper San Gabriel Canyon. San Gabriel Mountains. Comment
  SBBG62038  Eriogonum fasciculatum var. foliolosum J. Ewan 1931-5-16 Los Angeles West Fk, Garapito Crk 457 Comment
  UCSB1402  Eriogonum fasciculatum var. foliolosum Albright, S. 1957-4-17 Los Angeles UCLA Campus, Faculty Hill 91 Comment
  RSA646082  Eriogonum fasciculatum var. polifolium Orlando Mistretta, Mark A. Elvin 1995-5-10 s.n. Los Angeles San Gabriel Mountains: Little Rock Creek Management Unit Bare Mt. Section. 1768 Comment
  UCR211098  Eriogonum giganteum Joseph Cahill 2009-7-22 3167 Los Angeles South Coast, Malibu Lagoon 1 Comment
  CAS-BOT-BC250315  Eriogonum giganteum var. formosum Steven A. Junak 1997-10-20 SCI- 972 Los Angeles San Clemente Island: E side of island, just inland from mouth of Thirst Canyon, on elevated part of canyon bottom 6 Comment
  RSA766134  Eriogonum gracile Joseph A. Ewan 1927-10-1 1523 Los Angeles Tujunga Wash in San Fernando Valley 206 Comment
  RSA766140  Eriogonum gracile Delzie Demaree 1933-10-7 10538 Los Angeles Los Angeles. Comment
  POM180154  Eriogonum gracile var. gracile Joseph A. Ewan 1931-10-11 5247 Los Angeles Santa Monica Mountains, Sepulveda Canyon Rd., north of Mullholland. Comment
  POM7641  Eriogonum gracile var. gracile L. R. Abrams 1902-7-5 1561 Los Angeles Near the power house, San Gabriel Canyon. Comment
  UCR209274  Eriogonum heermannii R. G. Swinney 2008-10-7 9484 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
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Oct 23 2020
  RSA230214  Eriogonum hirtiflorum Robert F. Thorne 1969-7-2 38273 Los Angeles Angeles National Forest; along Angeles Crest Hwy, 0.5 miles S of Dawson Saddle 2378 Comment
  RSA578519  Eriogonum inerme var. hispidulum Tim S. Ross, S. D. Boyd 1994-6-22 8000 Los Angeles Warm Springs Mountain: ca 450 m NW of summit 1140 Comment
  RSA607390  Eriogonum microtheca var. corymbosoides Louis C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: Little Rock Creek by the abandoned pumphouse and dam. 1951 Comment
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Dec 3 2009
  LA28402  Eriogonum parvifolium Harlan Lewis; 1940-4-3 1272 Los Angeles Santa Monica Mountains, 10 mi. W of Malibu Beach 22 Comment
  RSA763237  Eriogonum pusillum Justin M. Wood 2010-5-10 1581 Los Angeles Little Rock Creek: upstream of Little Rock reservoir to confluence w/ Santiago Creek. 999 Comment
  SBBG95289  Eriogonum saxatile D. Keil, V. L. Holland 1987-5-1 20047 Los Angeles Littlerock Reservoir Comment
  RSA777688  Eriogonum thurberi Orlando Mistretta, Christine Mistretta 2010-5-19 5103 Los Angeles Aliso Canyon; approximately 1.75 mile NW of the intersection of Aliso Cyn and the Angeles Forest Hwy. 1103 Comment
  RSA65986  Eriogonum umbellatum var. minus F. W. Peirson 1920-9-12 21 Los Angeles Summit of 'Baldy' (Mt. San Antonio) 3049 Comment
  UCR194031  Eriogonum umbellatum var. minus R. G. Swinney 1998-9-7 6926 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, c. 1/4 mi. west of summit of Pine Mountain 2817 Comment
  RSA781292  Eriogonum umbellatum var. munzii R. G. Swinney 2009-7-23 11375 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UC586891  Eriogonum umbellatum var. subaridum Joseph Andorfer Ewan 1934-8-3 8358 Los Angeles below Big Pines Camp; San Gabriel Mts., Swartout Valley 1981 Comment
  POM199557  Eriophyllum confertiflorum I. W. Clokey, B. C. Templeton 1929-05 4477 Los Angeles Mandeville Canyon 300 Comment
  RSA729648  Eriophyllum confertiflorum R. G. Swinney 1998-7-2 6244 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  SEINET13203149 Image available Eriophyllum confertiflorum R. G. Swinney 2010-1 11826 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. (Oat Mt. 7.5' Q.) 442 Comment
  UCR220195  Eriophyllum confertiflorum R. G. Swinney 2009-4-7 10300 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills and S.G. Valley, Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  JEPS30630  Eriophyllum confertiflorum var. confertiflorum Peter H. Raven 1959-5-3 14088 Los Angeles Woodrow Wilson Drive, 1.6 mi w Cahuenga Pass; Santa Monica Mountains, Woodrow Wilson Drive 304 Comment
  LA105418  Eriophyllum confertiflorum var. confertiflorum Barry A. Prigge; 8532 Los Angeles Santa Susana Mountains, between Falls Creek and Devil Canyon: ca. 1 air mi. NE of junction of Simi Valley Frwy and Topanga Canyon Blvd 502 Comment
  LA200194  Eriophyllum confertiflorum var. confertiflorum Jonathan Sauer; 1969-6-4 4573 Los Angeles Santa Monica Mountains, Tuna Canyon, lower portion of canyon Comment
  LA94437  Eriophyllum confertiflorum var. confertiflorum Carl Epling; 1927-5-7 10 Los Angeles SANTA MONICA MOUNTAINS, Universal City. 213 Comment
  UC535037  Eriophyllum confertiflorum var. confertiflorum Victor Duran 1933-7-8 3502 Los Angeles San Gabriel Mts., Horse Flats 1676 Comment
  CAS-BOT-BC308355  Eriophyllum nevinii Reid Moran 1949-2-10 3160 Los Angeles Slope near landing, Santa Barbara Island Comment
  CAS-BOT-BC296962  Eriophyllum wallacei W. R. Dudley; F. H. Lamb 1896-6-4 4318 Los Angeles Lancaster Comment
  SBBG25232  Eriophyllum wallacei Leota Davidson 1965-5-9 122 a Los Angeles E of Little Rock Comment
  RSA629714  Erodium botrys Louis C. Wheeler 1947-4-27 6472 Los Angeles San Gabriel Mountains; Kinneloa Canyon. Comment
  CATA2019  Erodium brachycarpum Steven A. Junak, Mark Hoefs, Keri Kirkland 1998-4-5 536 Los Angeles Santa Catalina Island: Just E of Haypress Reservoir, on S side of main road 402 Comment
  SBBG31420  Erodium brachycarpum R. F. Thorne, R. Rollins, D. Probst, R. Carolin 1967-3-18 36757 Los Angeles Bullrush Cyn 243 Comment
  UCR107036  Erodium brachycarpum R. G. Swinney 1969-4-22 s.n. Los Angeles San Gabriel Valley, N and adjacent to Barnes Park along Rivergrade Rd., Baldwin Park. c. 200 yards east of San Gabriel River Channel. 91 Comment
  RSA0088417  Erodium cicutarium R. G. Swinney 2010-2-27 11745 Los Angeles Sunland, SE end of Hansen Dam Basin, Haines Canyon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain 348 Comment
  UC1130289  Erodium cicutarium A. D. Gifford 1935-3-17 492 Los Angeles 2.5 mi sw Red Mountains; Angeles National Forest, Tejon Quad. 518 Comment
  UCR194752  Erodium cicutarium Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 739 Los Angeles Transverse Ranges; Verdugo Mountains, Verdugo Mountains, south side, above Burbank. Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Motorway 427 Comment
  RSA226191  Erodium cicutarium Gary D. Cromwell 1971-4-16 509 Los Angeles Mystic Canyon, 2 mi NE of Glendora Comment
  RSA659443A  Erodium cicutarium Monica Acosta 1998-5-26 25 -A Los Angeles Parking lot J at California State Polytechnic University(Cal Poly Pomona). 226 Comment
  RSA390924  Erodium moschatum H. L. Bauer 1929-3-15 s.n. Los Angeles Long Beach. Comment
  RSA524195  Erysimum capitatum var. capitatum Timothy S. Ross, Steve Boyd 1990-6-6 2888 Los Angeles Piru Pond: Los Padres National Forest. 645 Comment
  RSA530287  Erysimum capitatum var. capitatum M. B. Dunkle 1933-7-11 3644 Los Angeles Upper San Gabriel Canyon, above dams; Cold Brook Camp. Comment
  SEINET3148275  Erysimum capitatum var. purshii G. B. Grant 1904-5-14 175 Los Angeles At Playa del Rey. Comment
  LA204413  Erysimum suffrutescens Joseph Andorfer Ewan; 1931-1-1 4004 Los Angeles Hyperion near El Segundo Comment
  RSA530238  Erysimum suffrutescens Jack Rempel 1932-3-12 15264 Los Angeles El Segundo, Los Angeles Comment
  CAS-BOT-BC151588  Erythranthe parishii Le Roy Abrams; E. A. McGregor 1908-7-2 559 Los Angeles Rock Creek, desert slopes of the San Gabriel Mountains 1158 Comment
  CAS-BOT-BC166528  Erythranthe parishii R. G. Swinney 2005-7-21 8313 Los Angeles San Gabriel Mountains: Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  CAS-BOT-BC402729  Eschscholzia caespitosa Carl Epling 1931-4-18 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon Comment
  CAS-BOT-BC403155  Eschscholzia californica John I. Carlson 1914-4-28 s.n. Los Angeles Avalon, Catalina Isl. Comment
  SEINET3480180  Eschscholzia californica Unknown 1939-7-10 131 Los Angeles Los Angeles, Los Angeles Comment
  UC1126402  Eschscholzia californica P. L. Johannsen 1934-3-28 309 Los Angeles San Francisquito Canyon Santa Susana Quadrangle Comment
  UC146751  Eschscholzia californica Katharine Brandegee May 1889 Los Angeles Pasadena Comment
  UC56739  Eschscholzia californica H. M. Hall 1902-5-1 3046 Los Angeles near Palmdale; Antelope Valley 762 Comment
  RSA570171  Eschscholzia californica var. peninsularis Tim S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4784 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  RSA3505  Eschscholzia ramosa Carl B. Wolf 1932-5-9 3448 Los Angeles Pebbly Beach, Santa Catalina Island. 8 Comment
  RSA0010827  Eucalyptus A. C. Sanders, Dan S. Cooper 2010-3-12 37378 Los Angeles South Coast: Madrona Marsh, Torrance. 24 Comment
  RSA420817  Eucrypta chrysanthemifolia Reid V. Moran, Bonnie C. Templeton 1941-3-6 683 Los Angeles Middle Ranch Canyon, Santa Catalina Island. 300 Comment
  SFV22141  Eucrypta chrysanthemifolia var. chrysanthemifolia V. Soza, E. Edwards, L. Gross, B. O'Brien 2000-4-25 762 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mountainway. Open, west-northwest-facing slope below trail along ridgetop. 488 Comment
  UC1584870  Eucrypta chrysanthemifolia var. chrysanthemifolia Tim Ross 1991-4-8 4470 Los Angeles Elephant Hill Pomona, San Dimas U.S.G.S. 7.5' quad. (w Pomona) 335 Comment
  RSA656246  Eucrypta chrysanthemifolia var. chrysanthemifolia Joseph M. Keefe 1977-4-26 21550 Los Angeles 0.5 km. southwest of terminus of Cedarbend Drive, Sheep Corral Canyon, northeast Verdugo Mountains, La Crescenta. 518 Comment
  LA200687  Eulobus californicus Peter H. Raven; 1959-5-3 14081 Los Angeles Santa Monica Mountains, Mulholland Drive 1.3 mi. W of Laurel Canyon Blvd 350 Comment
  SFV16044  Eulobus californicus A. M. Orcino 1994-5-10 17 Los Angeles Santa Monica Mountains 0.45 miles east on Stunt Road from junction with Mulholland Highway. 335 Comment
  SBBG18218  Eulobus californicus M. A. Piehl 1963-5-30 63492 Los Angeles just W of Rocky Pt cmpgrd, Little Rock Reservoir, 5.5 mi SW of Little Rock Comment
  RSA0110920  Euphorbia R. G. Swinney 2011-9-22 15671 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), c. 300 meters north of lodge along service rd. 1073 Comment
  UCR189722  Euphorbia albomarginata R. G. Swinney 1998-7-10 6375 Los Angeles San Gabriel Mtns., Prairie Fork, near Cabin Flats Campground 1622 Comment
  UCR66531  Euphorbia helioscopia L. C. Wheeler 1933-7-14 01936 Los Angeles San Gabriel Valley, Potrero Chico near Rio Hondo 69 Comment
  CDA33377  Euphorbia peplus J. M. Wood 2009-3-6 334 Los Angeles City of Claremont; NW corner of Monte Vista Ave and Foothill Blvd. County line goes through property but most plants were collected in LA County. Comment
  UC1587649  Euphorbia peplus Tim Ross 1991-4-21 4563 Los Angeles head of Turnbull Canyon Whittier Hills (Puente Hills, pro parte) (Skyline Drive) 353 Comment
  SEINET12142100  Euphorbia peplus J. F. Bright 1934-1 9248 Los Angeles Santa Monica Coast Range Comment
  LA32068  Euthamia occidentalis Peter H. Raven; Henry J. Thompson 1959-9-6 14382 Los Angeles Santa Monica Mountains, Malibu Creek, near mouth 12 Comment
  UCR277054  Euthamia occidentalis R. G. Swinney 2011-9-22 15660 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), c. 300 meters north of lodge along service rd. 1073 Comment
  CATA3301  Extriplex californica Amy Catalano, Jen Dreizehn 2017-3-16 018 Los Angeles Santa Catalina Island: Rippers Cove, rocky walls along beach margin 4 Comment
  SD48927  Extriplex californica Reid Moran 1958-9-18 6853 Los Angeles San Clemente Island; 1.7 miles southeast of Eel Point. 10 Comment
  CATA1753  Festuca arundinacea Mark L. Hoefs, Steven A. Junak, J. Travis Columbus 2001-5-25 3195 Los Angeles Santa Catalina Island: Upper Bulrush Canyon, below 2nd reservoir 304 Comment
  SBBG56676  Festuca microstachys R. Hoffmann 1929-5-21 Los Angeles Pine Cyn Comment
  UCR203187  Festuca myuros R. G. Swinney 2005-5-21 8261 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  UCR259761  Festuca myuros R. G. Swinney 2010-5-11 12639 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  CATA1189  Festuca temulenta Mark L. Hoefs 1995-5-30 2190 Los Angeles Santa Catalina Island: Near Ben Weston Road 57 Comment
  UCR206153  Ficus carica R. G. Swinney 2008-5-30 8897 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  RSA393715  Filago californica M. B. Dunkle 1929-4-7 2103 Los Angeles White's Landing, Santa Catalina Island. Comment
  RSA638185  Filago californica L. C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island. 0.3 mile south southeast Isthmus Bench Mark. 122 Comment
  RSA654863  Filago californica A. C. Sanders, D. Malueg 1998-6-24 22068 Los Angeles San Gabriel Mnts.: E of Big Tujunga Dam below Hwy 2 (Angeles Crest) and above Tujunga Canyon Road, ridge above Josephine Creek, So. Cal. Edison Mesa-Vincent transmission line at tower 13-2 976 Comment
  UCR259053  Foeniculum vulgare R. G. Swinney 2010-6-23 13322 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin 341 Comment
  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
  UCR94685  Forestiera pubescens A. C. Sanders, E. J. Lott 1993-5-6 13968 Los Angeles Western Mojave Desert, 13 miles north of Palmdale, Sierra Hwy at Ave 'F 701 Comment
  RSA613488  Frangula californica subsp. californica Louis C. Wheeler 1931-8-16 S- 33 Los Angeles San Gabriel Mountains: San Antonio Canyon. 915 Comment
  RSA391382  Frankenia grandifolia F. R. Fosberg 1931-5-17 S 4885 Los Angeles Little Harbor, Santa Catalina Island. 1 Comment
  CAS-BOT-BC223751  Frankenia salina Roxana S. Ferris 1918-6-12 892 Los Angeles Between Oban and Lancaster Comment
  CAS-BOT-BC223753  Frankenia salina Alice Eastwood 1906-6-2 161 Los Angeles San Pedro Comment
  UCR161210  Frankenia salina T. B. Salvato, Melissa Clemons 2005-9-27 1237 Los Angeles West Mojave Desert, western edge of the Lancaster Sewage Disposal Ponds near the intersection of Hwy 14 and Avenue D, c. 4 miles SW of Rosamond (dry) Lake 704 Comment
  RSA795685  Fraxinus W. R. Ferren, Hamilton 1993-9-1 EPA- 294 Los Angeles Santa Monica Mountains. Tapia County Park. In campground at confluence of Malibu Creek and an intermittent creek. Comment
  CAS-BOT-BC211010  Fraxinus velutina Joseph Andorfer Ewan 1937-8-15 10968 Los Angeles West Fork San Gabriel River, San Gabriel Mts. 518 Comment
  RSA590598  Fremontodendron californicum subsp. californicum Tim S. Ross, W. Appleby 1993-5-13 7130 Los Angeles Western San Gabriel Mountains: 600 meters, 346 NNW of Wilson Canyon Saddle, at the head of Whitney Canyon, about 100-120 meters WSW of the 3151-foot ridgetop knoll. 933 Comment
  RSA457579  Funastrum cynanchoides var. hartwegii George B. Grant 1904-06 s.n. Los Angeles Covina Comment
  SEINET10580693  Funastrum hartwegii Blanche Trask Trask s.n. 1890 Los Angeles Avalon, Santa Catalina Island 10 Comment
  UCSC001309  Galium angustifolium Peter Kamb 1948-7-4 1183 Los Angeles North slope of Mt Disappointment Mt Disappointment - San Gabriel Mts. 1646 Comment
  SD4906  Galium angustifolium Mrs. Kate Stephens 1922-7-6 Los Angeles Ten miles west of Semmler Comment
  CATA832  Galium angustifolium subsp. angustifolium Mark L. Hoefs 1991-6-26 1429 Los Angeles Santa Catalina Island: Near middle of Cape Canyon 320 Comment
  JEPS114009  Galium angustifolium subsp. angustifolium Timothy S. Ross and Janet Takara 1992-7-5 6935 Los Angeles Santa Catalina Island: SW part of island in Cape Canyon; bed of canyon near roadside. Comment
  RSA579236  Galium angustifolium subsp. angustifolium Tim S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, D. L. Banks, Megan Tommerup 1994-3-28 7406 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes, unnamed horseshoe shaped Canyon to the NE of upper Forestal Drive. 165 Comment
  RSA733385  Galium angustifolium subsp. angustifolium R. G. Swinney 2001-6-16 7985 Los Angeles Mojave Desert: Juniper Hills, top of Pleasant View Ridge, south of intersection of 104th St. E and Juniper hills Rd. 2006 Comment
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Mar 12 2017
  RSA535551  Galium angustifolium subsp. angustifolium Tim S. Ross, Annette Ross 1991-9-7 5953 Los Angeles Near Mulholland Highway x Yerba Buena Road. 412 Comment
  POM367610  Galium angustifolium subsp. gabrielense I. M. Johnston 1917-7-28 1591 Los Angeles San Antonio Canyon. 1753 Comment
  SBBG96665  Galium aparine S. Boyd with T. Ross, L. Arnseth 1990-4-7 4243 b Los Angeles lower half of China Cyn, W side Comment
  SD132611  Galium aparine M. B. Dunkle 1939-4-3 7220 Los Angeles Chenetti Canyon, San Clemente Island Comment
  UCR143185  Galium aparine F. R. Fosberg 1931-4-15 S- 4613 Los Angeles Channel Islands, Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island 200 Comment
  UCR4189  Galium aparine R. H. Sauer 1965-4-13 s.n. Los Angeles San Gabriel Mtns., along road, about 1/2 mi north of gauging station in Arroyo Seco Canyon. Pasadena 427 Comment
  CAS-BOT-BC217455  Galium catalinense Geo. B. Grant 1901-4-4 s.n. Los Angeles Avalon Comment
  UC57536  Galium catalinense Geo. B. Grant 1901-4-1 3762 Los Angeles bluffs along shore Santa Catalina Island Comment
  SDSU9326  Galium catalinense D. F. Howe 1968-2-25 4492 Los Angeles Hillside between Fourth of July Cove and Cherry Cove, Santa Catalina Island. Comment
  POM367804  Galium catalinense subsp. catalinense F. R. Fosberg 1931-3-27 S- 4418 Los Angeles Pebble [Pebbly] Beach Road, Santa Catalina Island. 15 Comment
  RSA187809  Galium catalinense subsp. catalinense Robert F. Thorne 1966-4-7 35983 Los Angeles Santa Catalina Island. Above beach near Parson Landing W of Arrow Point 5 Comment
  SD72387  Galium catalinense subsp. catalinense D. Howe 1968-2-25 Los Angeles Hillside north of Fourth of July Cove, toward Cherry Cove Comment
  RSA0025352  Galium grande Anuja Parikh, Nathan Gale 2010-6-28 3366 Los Angeles TR, SnGb, ridge between Fish and Sawpit canyons, 0.4 km SE of White Saddle, 1.1 km NW of Mount Bliss, under power lines. 985 Comment
  UC2029963  Galium grande V. Soza, Samantha Tessel 2001-6-18 1291 a Los Angeles Transverse Ranges, San Gabriel Mountains region: Upper Winter Creek Trail, above Santa Anita Canyon, ca. 1.5 miles from trailhead out of Chantry Flat area. Comment
  RSA604615  Galium hallii Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: ca. 300 yards E of foot of Holiday Hill Ski Lift. Comment
  RSA230202  Galium johnstonii Robert F. Thorne 1969-7-2 38265 Los Angeles Angeles National Forest; along Angeles Crest Hwy, 0.5 miles S of Dawson Saddle 2378 Comment
  RSA532637  Galium johnstonii Tim S. Ross 1991-8-14 5755 Los Angeles Roundtop [Mtn], San Gabriel Mountains. 1902 Comment
  RSA549501  Galium johnstonii Tim S. Ross, Steve D. Boyd 1990-6-18 3485 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  RSA609101  Galium johnstonii Louis C. Wheeler 1968-8-7 s.n. Los Angeles San Gabriel Mountains: Divide between West Fork Bear Creek and Devils Canyon. 1799 Comment
  POM17602  Galium parishii Philip A. Munz 1923-8-30 7663 Los Angeles San Gabriel Mountains, Swartout Valley. North of Big Pines. 2226 Comment
  RSA578537  Galium porrigens Tim S. Ross, Steve D. Boyd 1994-6-22 8011 Los Angeles Warm Springs Canyon: 0.5 road mile W of Lake Hughes Road along Forest Service road 6N32 649 Comment
  JEPS114001  Galium porrigens var. porrigens Timothy S. Ross and Steve Boyd 1994-6-22 8011 Los Angeles Warm Springs Canyon: 0.5 road miles W of Lake Hughes Road along Forest Service road 6N32. Comment
  JEPS93723  Gamochaeta pensylvanica Clifton F. Smith 1958-5-9 5775 Los Angeles in driveway at 1791 Rosa Villa, Pasadena Pasadena; , 1791 Rosa Villa Comment
  RSA779984  Garrya flavescens R. G. Swinney 2009-6-17 11218 Los Angeles Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  RSA585433  Garrya veatchii Tim S. Ross 1990-5-31 2727 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  POM177949  Garrya veatchii J. Ewan 1931-3-21 4073 [?] Los Angeles Open stony fire-break. At summit of Saddle Peak. Santa Monica Mts. 823 Comment
  UCR209948  Gayophytum R. G. Swinney 2008-7-15 9223 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  CAS-BOT-BC478491  Gayophytum Elizabeth McClintock 1965-7-2 227 Los Angeles San Gabriel Mountains, Table Mountain, above Wrightwood 2133 Comment
  RSA603817  Gayophytum diffusum subsp. parviflorum Steve Boyd 1997-9-10 10033 Los Angeles Liebre Mountains Region: High point of Liebre Mountain near old radio tower site, at divide between Horse Camp Canyon and Castaic Creek watershed. 1744 Comment
  RSA311355  Gayophytum oligospermum Robert F. Thorne, M. Z. Thorne 1969-7-10 38397 Los Angeles San Gabriel Mountains, Angeles National Forest: just E of Holiday Hill Ski area, Swartout Valley 1997 Comment
  RSA691052  Gazania linearis Scott D. White 2003-10-22 9837 Los Angeles San Gabriel Mountains: Foothills above Altadena. Los Angeles Dept. of Public Works 'Kinneloa West' debris basin. Northern terminus of Brambling Lane.(Mt. Wilson). 427 Comment
  UCR108421  Genista linifolia L. C. Wheeler 1970-9-3 s.n. Los Angeles San Gabriel Mtns., Mt. Wilson road, below Henninger Flats 671 Comment
  RSA771770  Gilia R. G. Swinney 2009-4-28 10555 Los Angeles summit of Mt. Emma. 1585 Comment
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Dec 7 2018
  RSA771844  Gilia R. G. Swinney 2009-5-28 10931 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
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Dec 7 2018
  UCR191703  Gilia A. C. Sanders 2008-4-11 34856 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School 990 Comment
  UCR253912  Gilia Mitch Provance 2010-5-11 0510- 16 Los Angeles Westernmost Mojave Desert, south of Hwy 138 between Quail Lake and Neenach 960 Comment
  UC303744  Gilia achilleifolia subsp. multicaulis I. Johnston 1917-5-6 1946 Los Angeles Evey Canyon Comment
  RSA755939  Gilia aliquanta subsp. breviloba Orlando Mistretta, Christine Mistretta 2008-4-10 2411 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
  RSA674824  Gilia angelensis Scott D. White, Sandy Leatherman, D. E. Bramlet, A. O'Neal, W. Sangkatavat 2001-4-24 8408 Los Angeles Southwestern Liebre Mountains: Grasshopper Canyon area near Castaic lake. 518 Comment
  RSA72290  Gilia angelensis F. W. Peirson 1918-6-16 469 Los Angeles Mint Canyon, Sierra Pelona Valley, northwest corner of San Gabriel Mts. 762 Comment
  SEINET14623611  Gilia angelensis E. Braunton 1902-4-29 240 Los Angeles North Pomona. Comment
  RSA127822  Gilia angelensis H. J. Thompson, P. H. Raven 1959-4-3 13924 Los Angeles Just to east of Malibu Junction. 244 Comment
  RSA470107  Gilia angelensis E. S. Spalding 1925-4-29 s.n. Los Angeles Waste lot, Glendale Comment
  RSA0030891  Gilia aurea Ivan M. Johnston 1917-5-13 977 Los Angeles San Gabriel Wash. 152 Comment
  RSA758064  Gilia australis D. E. Bramlet, Jennifer Pareti 2008-4-14 4182 Los Angeles Transverse Ranges; Liebre Mtns region: Bouquet Canyon. 762 m SE of Bouquet Cyn Rd, & 549 m S Hayfork Rd. Comment
  RSA600151  Gilia brecciarum subsp. brecciarum Steve Boyd, Lauren Raz 1997-5-1 9646 Los Angeles Liebre Mountains Region: Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-southeast of Lincoln Crest, the head of Bouquet Canyon. 1463 Comment
  SEINET12320609  Gilia capitata F. Thorne, Tilforth, C. W. 1971-1 41545 Los Angeles San Gabriel Mts., Angeles National Forest 381 Comment
  UC1922306  Gilia capitata subsp. abrotanifolia Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 758 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, south side: Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mtwy. Near 34deg 12' 23.9'' N 118deg 17' 45.9'' W T1N R14W N/2, NE/4 sec. 1; T2N R14W SE/4, SE/4 Comment
  CAS-BOT-BC226328  Gilia latiflora subsp. davyi Carl Epling; Lincoln Ellison; Harvey Anderson 1930-4-17 s.n. Los Angeles Mohave [Mojave] Desert, Lancaster Comment
  UC23562  Gilia latiflora subsp. davyi J. Burtt Davy May 9 1896-May 24 1896 2609 Los Angeles Grainfield Antelope Valley, Leonis Valley (Leonis Valley, S. California) Comment
  SEINET3163622  Gilia latiflora subsp. exilis G. B. Grant 1906-6-15 506 Los Angeles at Summit of Mt. Wilson; San Gabriel Mts., southern California 1829 Comment
  RSA598066  Gilia latiflora subsp. latiflora L. C. Wheeler 1967-5-12 9472 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA469382  Gilia latiflora subsp. latiflora H. de Forest 1934-05 18745 Los Angeles Valyermo. 1189 Comment
  SEINET3086286 Image available Gilia leptantha H. Dearing, M. Dearing 1944-10-5 5885 Los Angeles Charlton Flat, Angeles Crest Highway. Comment
  CHSC95704  Gilia ochroleuca subsp. bizonata LeRoy Gross 2005-4-28 2173 Los Angeles Transverse Ranges; San Gabriel Mountains region: Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road. Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Than dropped off ridge into canyon bottom back to origin. T4N R12W, 11wS1, 6, NE1/4 of 1, NW1/4 of 6) Alt. 1235-1413m/4052-4635 ft. General collecting started from a slight decline bench south of the ridgeline. 1324 Comment
  UCR147666  Gilia ochroleuca subsp. bizonata LeRoy Gross, Paul Morton 2004-6-9 1339 Los Angeles Transverse Ranges; Liebre Mountains region, West end of the main crest; From the Pacific Crest Trail (from the south) along road (7N23) pass the second Pacific Crest Trail that exits off north of the road. Finish near the NW corner of section 3 and started at the west end of section 12, west of Bear Gulch Camp. About a 4 mile hike from east to west (This for the Angeles National Forest road surveys.) 1688 Comment
  RSA0016247  Gilia ochroleuca subsp. bizonata R. F. Thorne, Gary D. Wallace 1973-4-24 43432 Los Angeles Ft. Tejon Road near junction with Longview Road, c. 3 mi S of Pearblossom Road 1067 Comment
  UC2026411  Gilia ochroleuca subsp. vivida Louis C. Wheeler 1964-6-20 8492 Los Angeles Mt. Waterman. Comment
  JEPS30644  Glebionis coronaria Henry J. Thompson and Peter H. Raven 1959-6-4 14325 Los Angeles Point Dume Santa Monica Mountains, Point Dume 45 Comment
  IRVC28620  Glycyrrhiza lepidota A. C. Sanders, Mark Elvin 2002-6-20 25252 Los Angeles Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river NE end of Santa Susana Mtns. 290 Comment
  CAS-BOT-BC303879  Gnaphalium John I. Carlson 1918-5-10 s.n. Los Angeles Avalon, Santa Catalina Island Comment
  UCR223288  Gnaphalium canescens subsp. beneolens R. G. Swinney 2009-7-23 11386 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
  RSA616054  Gnaphalium luteoalbum Scott D. White 1997-11-5 6018 Los Angeles Mouth of Zuma Creek, E end of the County Beach. 8 Comment
  RSA534058  Gnaphalium luteoalbum Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5265 Los Angeles San Clemente Island: Westerly fork of near Death Canyon, draining to Mosquito Cove (drainage beginning 800ft N of Rest (1336ft) marker, 1800ft SE of Malo Knoll (1396ft). 313 Comment
  SEINET11839633  Gnaphalium luteoalbum R. F. Thorne, Tilforth, C. W. 1971-1 41549 Los Angeles San Gabriel Mts., Angeles NF, or near entrance thereto & below entrance to wooded area of San Dimas 381 Comment
  POM156708  Gnaphalium microcephalum L. R. Abrams 1904-9-2 4203 Los Angeles Elysian Park. Comment
  POM358861  Gnaphalium microcephalum Louis Greata 1900-9-16 s.n. Los Angeles Los Angeles. Comment
  POM4629  Gnaphalium microcephalum George B. Grant 1901-1 516 Los Angeles From Pasadena Collected, 1901-1905 Comment
  RSA478803  Grayia spinosa Robert M. Perkins 1937-4-23 361 Los Angeles Between Lancaster & Palmdale. Comment
  RSA763219  Grayia spinosa Justin M. Wood 2010-5-10 1583 Los Angeles San Gabriel Mountains: Little Rock Creek: upstream of Little Rock reservoir to confluence w/ Santiago Creek. 999 Comment
  UCSB9922  Grindelia hirsutula Crum, Charles 1958-7-16 Los Angeles UCLA Campus (Faculty Hill) In Los Angeles Comment
  LA51491  Guillenia lasiophylla O. H. Kappler; 1944-5-7 616 Los Angeles Santa Monica Mountains, Cold Creek, Monte Nido, N slope near fire station 182 Comment
  LA201909  Gutierrezia californica Arthur C. Gibson; 2003-6-14 4979 Los Angeles Simi Hills, NW edge Chatsworth Reservoir just E of Valley Circle Blvd, near Chatsworth Lake Manor 274 Comment
  CAS-BOT-BC304625  Gutierrezia californica Bunch 1974-8-16 0522 Los Angeles West of Archery Range - Castaic Comment
  SEINET2052350 Image available Gutierrezia microcephala David Charlton, Robb Fishman 1990-8-30 3930 Los Angeles W. Mojave Desert: Palmdale, corner of Ave. R and 30th St. East. Ca. 1 mile S of Hwy 138. 807 Comment
  CATA2001  Hainardia cylindrica Steven A. Junak, Mark Hoefs, Misty Gay 1997-6-6 436 Los Angeles Santa Catalina Island: N edge of Upper Buffalo Springs Reservoir, just NW of Airport 435 Comment
  RSA0112650  Hainardia cylindrica Steven A. Junak 1999-5-20 SCa- 953 Los Angeles Santa Catalina Island. Cottonwood-Black Jack Road, plant stop. 305 Comment
  RSA190989  Harpagonella palmeri R. F. Thorne, Rollins, Propst, Carolin 1967-3-18 36729 Los Angeles Catalina Island. Salta Verde, appox. N of Salta Verde Point 244 Comment
  UC1871213  Harpagonella palmeri T. S. Ross 1993-4-21 6853 Los Angeles Channel Islands; Santa Catalina Island; Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak; slope and small ridges N of Cactus peak summit Comment
  SD135120  Hazardia cana Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-23 22685 Los Angeles San Clemente Island; West fork of Red Rock Canyon. 270 Comment
  SEINET10473511  Hazardia cana Jon Ricketson, Heidi H. Schmidt 1992-10-21 Ricketson 4813 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Garden, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  UCR256443  Helenium bigelovii R. G. Swinney 2010-9-9 13766 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
  RSA0048579  Helianthus annuus Harold L. Pirie 1964-4-15 s.n. Los Angeles Pierce College Campus, Pine Hill. 243 Comment
  SFV4469  Helianthus annuus P. M. Kennamer 1959-5-31 s. n. Los Angeles San Fernando Valley Northridge. Corner of Nordhoff Street and Collett Avenue. 274 Comment
  POM156529  Helianthus annuus subsp. lenticularis L. R. Abrams 1902-7-3 2640 Los Angeles Sierra Madre. Comment
  RSA660398  Helianthus gracilentus Orlando Mistretta 1992-6-17 587 Los Angeles Road 2N09 EA. Curtiss Haul Road, Cow Canyon. From 2nd drainage down to Cattle Canyon. Comment
  UC75914  Helianthus gracilentus George B. Grant Jun 1902 547 Los Angeles San Gabriel Canyon Comment
  RSA004207  Helianthus gracilentus Fay A. MacFadden 1931-4-25 3191 Los Angeles Verdugo Mountains: Tuna Canyon. Comment
  SD212494  Helianthus nuttallii A. C. Sanders, Mark Elvin 2002-6-25 25257 Los Angeles Northeast end of Santa Susana Mountains; Newhall Ranch, large natural spring at north foot of Airport Mesa, 0.75 mile southwest of Castaic Junction. 305 Comment
  RSA704709  Heliotropium curassavicum Gary D. Wallace, C. Black, D. Cohen, R. Lavenburg 1983-6-29 2090 Los Angeles Santa Catalina Island: Twin Harbors area Marine Station. Comment
  UCR206526  Heliotropium curassavicum A. C. Sanders, T. B. Salvato 2009-5-19 36821 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  RSA250079  Heliotropium curassavicum R. F. Thorne, C. W. Tilforth, S. Nilsson 1972-7-20 42187 Los Angeles San Gabriel Mts., Angeles National Forest: Caldwell Lake near Valyermo (sag pond on the San Andreas Fault) 1570 Comment
  RSA77877  Heliotropium curassavicum F. W. Peirson 1923-5-27 3542 Los Angeles Pallett Creek, tributary to Rock Creek, north slope of San Gabriel Mts. 1097 Comment
  POM369738  Heliotropium curassavicum var. oculatum F. R. Fosberg 1930-6-26 3011 Los Angeles Lower Ballona Creek. 12 Comment
  RSA127778  Heliotropium curassavicum var. oculatum H. J. Thompson, P. Raven 1959-6-4 14334 Los Angeles Point Dume. 45 Comment
  RSA661089  Hemizonia clementina Orlando Mistretta 1992-4-5 201 Los Angeles Guds, San Clemente Island. Comment
  RSA599684  Hemizonia fasciculata Steve Boyd, Lauren Raz 1997-5-6 9703 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  RSA445004A  Hesperocnide tenella J. Aug. Kusche 1929-5-16 s.n. Los Angeles Beverly Terrace, ridge of Hollywood Hills 335 Comment
  SD52943  Hesperocnide tenella Peter H. Raven 1962-5-9 17701 Los Angeles San Clemente Island, canyon just north of Gray 305 Comment
  RSA0101278  Hesperoyucca whipplei R. G. Swinney 2011-6-22 15264 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
  CAS-BOT-BC143680  Heteromeles arbutifolia Peter H. Raven; R. Snow 1957-7-25 11061 B Los Angeles Near Morris Reservoir, San Gabriel Mts. Comment
  CHSC34438  Heteromeles arbutifolia James Henrickson 1972-11-2 8100 Los Angeles 8 mi. NW of Newhall, NW of jct. of Hwy. 5 and Hasley Cyn. Rd. 365 Comment
  LA91406  Heteromeles arbutifolia Bruce Douglas Clayton; Greg Shaw 1972-3-16 6 Los Angeles Santa Monica Mountains, Temescal Canyon, Mountain Park Research Campus 518 Comment
  SBBG45257  Heteromeles arbutifolia D. Propst 1962-12-24 Los Angeles Black Jack Rd, halfway up on Cape Cyn Comment
  CAS-BOT-BC318850  Heterotheca grandiflora Geo. B. Grant 1905-5-10 568 Los Angeles Pasadena Comment
  CATA350  Heterotheca grandiflora Mark L. Hoefs 1973-7-20 394 Los Angeles Santa Catalina Island: By northwest corner of Middle Ranch Reservoir 182 Comment
  CAS-BOT-BC318867  Heterotheca grandiflora Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-7 4285 Los Angeles Lower half of China Canyon on the south end of the island, west side, San Clemente Island Comment
  OBI36527  Heterotheca grandiflora Mark Schneider 1973-1 s.n. Los Angeles 7-HIlls Ranch Comment
  CHSC85563  Heterotheca sessiliflora subsp. fastigiata John Dittes 2003-12-24 858 Los Angeles Western Transverse Range; southwest slope of Verdugo Mts. On ridge between Chandler and Jeffries Canyons; ca. 3.4 air-miles northwest of Burbank City Hall, ca. 0.8 air-mile south of La Tuna Cyn. Road, ca. 0.8 air-mile north by northeast of intersection of Hollywood Way and I-5; along graded fire road above (northeast of) Lanark Street. 452 Comment
  UC212588  Heuchera abramsii I. M. Johnston 1918-7-6 2096 Los Angeles summit Baldy (Type Station); San Antonio Mountains 3048 Comment
  CAS-BOT-BC48126  Heuchera elegans Geo. B. Grant 1906-6-1 570 Los Angeles So. Calif. - Summit of Mt. Lowe 1828 Comment
  RSA0062943  Heuchera elegans R. G. Swinney 1998-8-13 6740 Los Angeles San Gabriel Mtns. Summit of Iron Mountain. 2427 Comment
  RSA0066218  Heuchera elegans Tim Thibault, K. E. Olshewsky 2004-5-23 295 Los Angeles Mt. Williamson. 2074 Comment
  RSA0066122  Heuchera elegans Orlando Mistretta, Steve Boyd 1995-5-23 1716 Los Angeles Bare Mountain Canyon, W side tributary drainage NE of Pacifico Mtn. San Gabriel Mountains. 1784 Comment
  UCR190122  Hieracium argutum var. parishii R. G. Swinney 1998-8-21 6785 Los Angeles San Gabriel Mtns., Cow Canyon, c. 0.5 air mi. due west of Cow Canyon Saddle 1152 Comment
  UC1126856  Hirschfeldia incana Jerome S. Horton 1937-6-14 462 Los Angeles San Dimas Canyon Wash 365 Comment
  HSC12496  Hirschfeldia incana Wendell Wood 1970-6-23 36 Los Angeles 3135 Linda Vista Rd., Glendale 457 Comment
  UCR147045  Holcus lanatus L. C. Wheeler 1973-7-15 s.n. Los Angeles San Gabriel Mtns, Graveyard Canyon, second side canyon 610 Comment
  RSA449774  Holodiscus discolor L. E. Hoffman 1929-4-13 s.n. Los Angeles Mt. Leukens [Lukens] Trail, Angeles National Forest. Comment
  UC1532944  Holodiscus discolor Robert F. Thorne, Doug Propst 1967-4-13 41571 Los Angeles Santa Catalina Island, Upper Descanso Canyon Upper Descanso Canyon; Santa Catalina Island, Upper Descanso Canyon Comment
  UCR276713  Holodiscus discolor var. microphyllus R. G. Swinney 2010-9-21 13869 Los Angeles San Gabriel Mountains, summit of Mt. Hawkins, at north end of Copter Ridge 2698 Comment
  RSA603767  Hordeum brachyantherum L. C. Wheeler 1936-4-12 4089 Los Angeles Hills S of Monterey Park, south side. 122 Comment
  RSA598347  Hordeum intercedens L. C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island. Catalina Harbor (Isthmus). 3 Comment
  UCR186769  Hordeum marinum A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-14 32088 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
  CATA1485  Hordeum marinum subsp. gussoneanum Mark L. Hoefs, Steven A. Junak 1996-5-1 2688 Los Angeles Santa Catalina Island: By Haypress Reservior, at campground 384 Comment
  RSA0034979  Hordeum murinum P. R. Brown 1970-4-9 s.n. Los Angeles Canon de Lana. [county not specified] Comment
  RSA250626  Hordeum murinum subsp. leporinum R. F. Thorne 1971-4-2 41410 Los Angeles Johnson's Pasture's, N. of Mountain Avenue, Claremont 549 Comment
  LA33491  Hordeum vulgare Peter H. Raven; 1959-5-3 14097 Los Angeles 350 Comment
  UCR151725  Hordeum vulgare var. trifurcatum Steve Boyd, Amber Maurice 2004-5-18 11307 Los Angeles Transverse Ranges; Liebre Mountains region, Atmore Meadows area Comment
  RSA714983  Horkelia rydbergii R. G. Swinney 1997-9-6 5856 Los Angeles San Gabriel Mountains: Jackson Lake area. Ball Flat, 0.8-0.9 mi N of Big Pines Hwy at end of SW spur of Forestry Service Rd 4N16 1875 Comment
  CAS-BOT-BC213005  Hosackia crassifolia Steve Boyd; Lauren Raz 1997-5-20 9822 Los Angeles Liebre Mountains Region: Southeastern flank of Liebre Mountain, along ridge dividing Fish Canyon and Bear Canyon drainages, 1737 Comment
  SBBG33433  Hosackia crassifolia var. crassifolia A. D. E. Elmer -Jun-1902 3697 Los Angeles Acton Comment
  RSA0112025  Hulsea heterochroma Richard G. Swinney 2011-5-16 14742 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 1.18 mi at 73 degrees SE of Colby Ranch Rd. and FS Rd. 3N19 in Big Tujunga Cyn., c. 450 ENE of lodge in center of camp. 1375 Comment
  UCR272948  Hulsea heterochroma R. G. Swinney 2011-8-5 15609 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
  UC1922223  Hulsea vestita subsp. gabrielensis Naomi Fraga, Bill Hogshead 2006-5-31 1684 Los Angeles Transverse Ranges; San Gabriel Mountains region; Along the Santa Clara Divide Road, between Indian Canyon and North Fork Station. Comment
  LA203761  Hymenoclea salsola Jonathan Sauer; T. Brothers 1979-5-6 6075 Los Angeles Antelope Valley, near Juniper Hills, Fort Tejon Rd Comment
  CATA1233  Hypochaeris glabra Mark L. Hoefs, Douglas R. Hoefs, Jorge Hernandez 1995-6-21 2299 Los Angeles Santa Catalina Island: Upper Bulrush Canyon 286 Comment
  UCD133354  Hypochaeris glabra Daryl Koutnik 1978-4-28 425 Los Angeles Point Dume near Zuma Beach. 45 Comment
  RSA258368  Hypochaeris glabra C. W. Tilforth 1972-4-14 487 Los Angeles Common in drier, sandy areas of garden. Comment
  RSA660872  Isocoma menziesii var. decumbens Orlando Mistretta 1992-4-4 135 Los Angeles San Clemente Island. Comment
  SBBG128245  Isocoma menziesii var. decumbens M. L. Hoefs, S. A. Junak, K. Kirkland 1998-10-22 3003 Los Angeles near rd above Two Harbors dump 195 Comment
  CAS-BOT-BC311653  Isocoma menziesii var. vernonioides Peter H. Raven 1958-9-28 13736 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Elysian Park 198 Comment
  RSA60728  Isocoma menziesii var. vernonioides Frank W. Gould 1943-10-26 2169 Los Angeles Growing as a weed in open field, Compton. Comment
  RSA91273  Isocoma menziesii var. vernonioides F. W. Peirson 1921-11-11 2596 Los Angeles Saugus at northwest base of San Gabriel Mtns. Comment
  CHSC24686  Isomeris arborea D. Hattem 1976-4-18 7 Los Angeles Ca. 500 m. w of Hwy 5, ca. 15 mi n of Castaic. 975 Comment
  OBI13701  Juglans californica Unknown 1964-4-18 107 Los Angeles End of Colima Dr past post office tract. E slope of Topanga Cyn, Santa Monica Mts Comment
  UCR146259  Juglans californica Steve Boyd, Michael Denslow 2002-5-9 10438 Los Angeles Transverse Ranges, San Gabriel Mountains, S of Sunset Peak along Sunset Peak Road, on divide between Wolfskill and Palmer canyons Comment
  UCR205075  Juglans californica R. G. Swinney 2008-4-9 8620 Los Angeles San Gabriel Mtns., Glendora, Wildwood Canyon 329 Comment
  RSA614699  Juglans californica var. californica D. Charlton 1989-4-30 2958 Los Angeles San Gabriel Mtns. Angeles Crest Highway near Angeles Crest Station, southern boundary of the Angeles National Forest. 762 Comment
  SD181472  Juglans californica var. californica LeRoy Gross, Valerie Soza 2001-5-31 392 Los Angeles Los Angeles Basin, Verdugo Mountains region, southeast side, along Las Flores Mountain Way, dirt road south of Polaris Drive; Pasadena [quad]. Collected along road; top of ridge in open grassy area, just north of the road, has one large specimen. 395 Comment
  SD69369  Juglans californica var. californica Robert F. Thorne, P. Everett 1965-5-11 34674 Los Angeles Santa Catalina Island; near circle on summit road from Avalon to airport. 91 Comment
  RSA0011175  Juglans californica var. californica Tim S. Ross, Steve D. Boyd 1990-5-29 2704 Los Angeles San Gabriel Mts.: Big Rock Creek. Empty, gutted cabin on E side of riparian strip, just upstream from the Gaging staton. 1236 Comment
  UC1584730  Juglans regia Tim Ross and Annette Ross 1991-6-3 5542 Los Angeles rocky outcrop on steep southerly slope west Pomona, Elephant Hill 286 Comment
  SD42644  Juncus balticus subsp. ater Darley F. Howe 1947-5-5 1597 Los Angeles Antelope Valley. Comment
  UCR76412  Juncus bufonius T. S. Ross 1992-4-16 6202 Los Angeles Channel Islands, Central part of San Clemente island; 289 degrees WNW, 680 m distant from 1603 ft. peak above Stone Station 416 Comment
  RSA709412  Juncus bufonius var. occidentalis A. C. Sanders 2005-5-5 29897 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool. 655 Comment
  RSA70279  Juncus covillei Joseph A. Ewan, F. R. Fosberg 1931-8-12 5002 Los Angeles Windy Camp Spring, Mt. Islip 2287 Comment
  RSA600726  Juncus macrophyllus L. C. Wheeler 1954-9-1 7088 -B Los Angeles San Gabriel Mountains; Little Rock Creek at Buckhorn. Comment
  CATA869  Juncus mexicanus Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1678 Los Angeles Santa Catalina Island: Little Harbor 4 Comment
  RSA0040126  Juncus rugulosus Orlando Mistretta 1990-7-2 s.n. Los Angeles Bear Flat 1746 Comment
  RSA594644  Juncus rugulosus Steve Boyd, Lauren Raz 1996-10-29 9111 Los Angeles Liebre Mountains region, Atmore Meadows area at the southeastern end of Liebre Mountain in a tributary drainage to the North Fork Fish Canyon. 1317 Comment
  RSA596742  Juncus rugulosus L. C. Wheeler 1966-9-6 8872 Los Angeles San Gabriel Mountains, Angeles National Forest: Little Rock Reservoir Comment
  JEPS63810  Juncus textilis Samuel B. Parish Jun 1887 1937 Los Angeles San Fernando Misson Comment
  RSA762499  Juncus xiphioides R. G. Swinney 2008-11-29 9850 Los Angeles Mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  RSA352426  Juniperus californica L. E. Hoffman 1931-11-28 s.n. Los Angeles Holcomb Creek, Angeles National Forest. Comment
  UCR17705  Juniperus californica Frank C. Vasek 1975-11-29 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., hills just south of Cornell's Corner Comment
  POM4309  Keckiella cordifolia D. L. Crawford 1915-7-16 s.n. Los Angeles Live Oak Canyon -Claremont Comment
  UCD123815  Keckiella cordifolia J. E. Stumbo 1966-5-11 LASCA 545 Los Angeles wilderness area of the Lux Arboretum Annex, Monrovia. Comment
  RSA0092160  Keckiella ternata subsp. ternata R. G. Swinney 2011-9-22 15683 Los Angeles San Gabriel Mountains: SE side of Camp Colby (Colby Ranch), Colby Gravy marker, confluence of Inspiration Cyn. & Coldwater Cyn., near spring & watertank. 1140 Comment
  RSA597033  Keckiella ternata subsp. ternata Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3847 Los Angeles San Gabriel Mountains. Ridgetop to the SW of Crystal Lake (ridge descending SSW from Mt. Islip). 1780 Comment
  UCR24209  Kochia californica John C. Roos 1947-9-18 2790 Los Angeles Western Mojave Desert, 2 mi north of Lancaster 710 Comment
  LA82504  Koeleria macrantha O. H. Kappler; 1943-5-23 471 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA87068  Koeleria macrantha F. W. Peirson 1918-4-28 1596 Los Angeles Road east and south of El Monte. Comment
  SEINET12233904  Koelreuteria paniculata W. F. Wight 1907-1 1707 Los Angeles Los Angeles, Elysian Park Comment
  CAS-BOT-BC111950  Kyllinga brevifolia Grace Cole Fleischman 1957-4-1 s.n. Los Angeles In flat of Dichondra. Comment
  SBBG61193  Lagophylla ramosissima R. Hoffmann 1927-6-14 Los Angeles Neenach, Antelope Valley Comment
  JEPS69284  Lamarckia aurea Julia A. Bettys 1929-4-29 Los Angeles near Los Angeles (Huntington Palisades); Huntington Palisades Comment
  POM352652  Lamarckia aurea Richard Kirtland 1928-3-28 14753 Los Angeles Palos Verdes Hills Comment
  SEINET13386953 Image available Lamarckia aurea R. G. Swinney 2010-1 12443 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn. 536 Comment
  RSA720183  Lamium amplexicaule LeRoy Gross 2007-3-12 2597 Los Angeles Base of northern side of the range. Behind the Foothill Athletic Club, at the southern end of Lowell Ave. 468 Comment
  RSA609604  Lamium amplexicaule Louis C. Wheeler 1974-4-14 s.n. Los Angeles San Gabriel Mountains: Wildwood Ranch, Shuler Canyon. 412 Comment
  RSA658880  Lantana montevidensis Douglas A. Springer 1981-2-26 22 Los Angeles Cal Poly Pomona University campus, Mansion Lane .2 miles from Junction with University Drive NW side, S slope Palm Canyon. Comment
  CAS-BOT-BC338151  Lasthenia californica M. E. Jones 1882-5-2 s.n. Los Angeles Pasadena Comment
  CAS-BOT-BC338153  Lasthenia californica M. E. Jones 1882-5-3 3222 Los Angeles Pasadena Comment
  LA88352  Lasthenia californica O. H. Kappler; 1941-3-30 176 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  CAS-BOT-BC329156  Lasthenia glabrata subsp. coulteri H. E. Hasse 1892-5-15 25 Los Angeles Near Los Angeles Comment
  UC30428  Lasthenia gracilis J. Burtt Davy May 9 1896-May 24 1896 2518 Los Angeles Manzana Antelope Valley, Manzana Comment
  POM361495  Lasthenia gracilis Christopher Davidson 1973-4-7 1881 Los Angeles Lucerne Valley, 33 miles from Apple Valley. 854 Comment
  SEINET11447696 Image available Lasthenia gracilis G. B. Grant 1905-1 98 Los Angeles Vicinity of Pasadena Comment
  RSA711508  Lathyrus tingitanus Alison Lipman 1998-6-1 s.n. Los Angeles South Coastal Plains Region: Forestal property, Rancho Palos Verdes. 305 Comment
  CHSC95862  Lathyrus vestitus LeRoy Gross; Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 717 Los Angeles Transverse Ranges: Verdugo Mountains Region; South side; Off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned Summer-Fall of 2002. On west descending ridge down into Brand Canyon on east side of Brand Canyon. 576 Comment
  RSA0088108  Lathyrus vestitus R. G. Swinney 2010-4-30 12456 Los Angeles Near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn. 537 Comment
  UC440406  Lathyrus vestitus subsp. laevicarpus Carl Epling and Lincoln Ellison 1929-3-16 Los Angeles Topanga Canyon Santa Monica Mountains Comment
  RSA0056481  Lathyrus vestitus subsp. vestitus Orlando Mistretta, Oscar Dorado 1989-5-10 s.n. Los Angeles Transverse Ranges; Liebre Mountains region: Bouquet Canyon. Comment
  SBBG98531  Lavatera assurgentiflora subsp. glabra T. Ross 1991-5-22 5437 Los Angeles E edge of Wilson Cove settlement along upper rd loop near tennis court 54 Comment
  RSA599775  Layia glandulosa Steve Boyd, Lauren Raz 1997-3-25 9269 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain, flats and slopes just northeast of ranch compound. 976 Comment
  POM361657  Layia glandulosa Fay A. MacFadden 1931-4-22 s.n. Los Angeles Lake Hughes. Comment
  UCD134017  Layia platyglossa Kenneth A. Wilson 1961-4-10 1142 Los Angeles Santa Susana Mountains. Southern arm of Bee Canyon-Mission Point (or Peak) area. 762 Comment
  SDSU4723  Layia platyglossa Gerald Collier 1951-4-7 M 557 Los Angeles Point Dume, about 3 miles west of U.S. Hwy 101. 50 yards from road. Comment
  SEINET11811315  Layia platyglossa J. F. Bright, Wyman, C. 1933-1 8366 Los Angeles San Fernando Valley Comment
  UC934013  Layia platyglossa H. L. Cogswell 1951-5-8 78 Los Angeles w slope near bottom of small valley 2/3 mi n San Dimas Foothill Co. Park (base of San Gabriel Mountains); , Plot 2 457 Comment
  POM305363  Layia platyglossa subsp. campestris Henry J. Ramsey, Henry J. Ramsey 1938-3-23 655 Los Angeles Los Angeles Comment
  JEPS63248  Lepechinia fragrans Frank W. Peirson 1918-6-30 177 Los Angeles San Gabriel Mountains, Mount Wilson, Toll Road Mount Wilson; San Gabriel Mountains, , Toll Road 1066 Comment
  RSA762136  Lepechinia fragrans Orlando Mistretta, Christine Mistretta 2008-5-13 3068 Los Angeles Grizzly Flat Road, vicinity of Dark Cyn, Arroyo Seco Canyon drainage. 949 Comment
  RSA585342  Lepidium fremontii Timothy S. Ross 1991-4-27 4639 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line 1183 Comment
  RSA177865  Lepidium lasiocarpum R. F. Thorne, P. Everett 1965-5-11 34594 Los Angeles Santa Catalina Island. N side of N cove of Little Harbor. 5 Comment
  UCD115863  Lepidium pinnatifidum J. C. Roos 1956-6-15 s.n. Los Angeles Santa Monica Blvd. along railroad tracks between Westwood and Beverly Glen Blvds. Comment
  HSC6843  Lepidium virginicum var. menziesii C. E. Fellows 1965-4-19 11 Los Angeles Community of Llano, SW corner at intersection of Hwy. 138 and Victorville cutoff, high southern Mojave Desert Comment
  POM361767  Lepidospartum squamatum V. V. Giles 1936-7-5 s.n. Los Angeles San Gabriel River bed where [Hwy] 66 crosses it. Comment
  UCD134039  Lepidospartum squamatum W. G. Watkins 1931-6-1 s.n. Los Angeles Elizabeth Canyon Comment
  UC54949  Leptodactylon californicum H. P. Chandler 1895-4 2002 Los Angeles near Cahuenga Peak (Brush Canyon); near Cahuenga Peak, Brush Canyon Comment
  POM21353  Leptosiphon breviculus Fordyce Grinnell Jr. 1917-7-8 s.n. Los Angeles San Gabriel Mountains, Barley flats. 1707 Comment
  RSA628381  Leptosiphon breviculus Scott D. White, D. E. Bramlet 1998-6-29 6823 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness; 4-mile closed section of Hwy. 39 from ca. 1.6 miles W of jctn. Crystal Lake access road to jct. Hwy 2. 1707 Comment
  RSA165710  Leptosiphon ciliatus Wesley O. Griesel, Brian C. Miller 1963-7-2 s.n. Los Angeles Sawmill Campground, Sawmill Mtn. Angeles National Forest. 1616 Comment
  SBBG89160  Leptosyne bigelovii A. C. Sanders, E. J. Lawlor 1988-4-3 7751 Los Angeles SW end of the Tehachapi Mts, ca. 1 mi NW of Gorman on a gas line rd, ca. 0.4 mi above the old highway 1280 Comment
  SEINET1869733  Lessingia glandulifera A. C. Sanders 2003-1 27105 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, canyon inlow hills north of Potrero Canyon 305 Comment
  UCSC011219  Lessingia glandulifera Adam Searcy 2015-7-10 79 Los Angeles Santa Clarita, Vista Canyon Ranch, Santa Clara River Comment
  UC1586218  Lessingia glandulifera var. glandulifera Tim Ross 1991-8-16 5834 Los Angeles San Gabriel Mountains, Horse Flats Horse Flats; San Gabriel Mountains, Horse Flats 1719 Comment
  UCR62107  Lessingia glandulifera var. glandulifera S. J. Myers 1988-9-30 s.n. Los Angeles Western Mojave Desert, Palmdale area, north of Elizabeth Lake Road, near the intersection with 25th St. West 841 Comment
  RSA776478  Lewisia rediviva Jane Tirrell 2011-6-23 LS- 23 Los Angeles Claude's Ridge, approximately 0.3 miles west of Lily spring. 2489 Comment
  RSA65446A  Lewisia rediviva F. W. Peirson 1905-7-14 37 Los Angeles South of summit of Mt. San Antonio, San Gabriel Mountains Comment
  CAS-BOT-BC283774  Leymus cinereus A. D. E. Elmer 1902-6-1 3662 Los Angeles Lancaster Comment
  RSA587496  Leymus condensatus Orlando Mistretta 1994-9-13 1470 Los Angeles Santiago Canyon; Santiago Creek near junction of Forest Road 4N20 and BM 3980. 1213 Comment
  RSA639144  Leymus condensatus L. C. Wheeler 1973-7-15 s.n. Los Angeles Doe Flat; Graveyard Canyon. Comment
  CAS-BOT-BC274478  Leymus triticoides Le Roy Abrams 1901-6-6 1720 Los Angeles Ballona River Comment
  UCR258949  Ligustrum lucidum R. G. Swinney 2010-2-27 11761 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
  RSA547442  Lilium humboldtii subsp. ocellatum Timothy S. Ross 1992-5-17 6373 Los Angeles San Gabriel Mountains: lower Shoemaker Canyon, draining to E fork of San Gabriel River, joining it at 2125 ft. elevation 723 Comment
  JEPS62047  Lilium parryi Frank W. Peirson 1921-7-17 2515 Los Angeles Prairie Fork, San Gabriel River; San Gabriel Mountains 2133 Comment
  RSA506818  Linanthus aureus L. C. Wheeler 1967-5-12 9439 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  SDSU3168  Linanthus aureus D. F. Howe 1948-5-2 1779 Los Angeles Desert side of Angeles Crest Highway, San Gabriel Mtns. Comment
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Nov 19 2014
  UCR186888  Linanthus bigelovii A. C. Sanders 2006-4-14 32057 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  UC23718  Linanthus breviculus H. M. Hall Jun 1899 Los Angeles Swartout Canyon San Antonio Mountains 2072 Comment
  CAS-BOT-BC226741  Linanthus californicus Marcus E. Jones 1924-5-16 s.n. Los Angeles Stoddard Canon [Canyon], San Gabriel Mts Comment
  CAS-BOT-BC226743  Linanthus californicus Fordyce Grinnell 1916-6-10 s.n. Los Angeles Sister Elsie Pk., San Gabriel Mts. Comment
  LA200750  Linanthus californicus A. M. Johnson; 1934-3-16 4344 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  RSA595546  Linanthus californicus Alan Prather, Alice Hempel 1993-5-17 1348 Los Angeles Angeles National Forest, along Glendora Mountain Road, 3.2 km N of the entrance to the National Forest 549 Comment
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Jul 29 2010
  RSA652608  Linanthus californicus Bill Amling 1948-4-26 15 Los Angeles 3 1/2 mi. north of Azusa Canyon road. 305 Comment
  RSA654208  Linanthus californicus Fred Brooks, P. Sobkowiak 1988-4-23 16 Los Angeles San Antonio Canyon, [San Gabriel Mountains] below the first tunnel 915 Comment
  RSA165137  Linanthus californicus subsp. glandulosus Gordon Pilone 1962-6-24 509 Los Angeles 1 mile W of Topanga Canyon on Robinson Road 305 Comment
  UC23501  Linanthus dichotomus J. Burtt Davy May 9 1896-May 24 1896 2311 Los Angeles Llano Verde, West Palmdale Antelope Valley Comment
  RSA334155  Linanthus dichotomus subsp. dichotomus R. F. Thorne 1973-5-11 43552 Los Angeles Along Mt. Emma Road: 1.9 mi W of Little Rock Creek below the dam. 1159 Comment
  UCSB11634  Linanthus parryae Wisehart, Karen 1962-5-4 Los Angeles along Highway 138, 2 miles east of Pearblossom Comment
  JEPS58135  Linanthus parviflorus C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-5-13 4765 Los Angeles Bouquet Canyon 650 Comment
  RSA400295  Linaria canadensis var. texana Reid V. Moran 1941-3-11 696 Los Angeles Santa Catalina Island. Ridge north of Middle Ranch. 300 Comment
  UCR193681  Lithophragma R. G. Swinney, Dave Larson 1999-5-15 7140 Los Angeles San Gabriel Mtns., Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 549 Comment
  UC380599  Lithophragma affine M. E. Jones 1882-5-3 3223 Los Angeles Pasadena Comment
  UCR190036  Lithophragma affine R. G. Swinney 1998-6-16 6973 Los Angeles San Gabriel Mtns., c. 0.6 mi. north of Cow Canyon Saddle (Glendora Ridge Rd. at Cow Canyon Rd.) near trail to Lookout (Antonio) Mtn. 1524 Comment
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May 8 2012
  RSA660509  Lithophragma heterophyllum Gerald Braden, Arthur Davenport, Lori Ackerman 1988-5-4 10 Los Angeles Strawberry Peak, San Gabriel Mountains. Comment
  SBBG109138  Lithophragma maximum S. A. Junak 1997-10-29 SCl 992 Los Angeles upper part of second cyn S of Camera Pad "Malo" 320 Comment
  SD69640  Lithrea molleoides Robert F. Thorne, P. Everett 1965-6-22 34916 Los Angeles Santa Catalina Island, by bridge over dry stream in Avalon Canyon near mausoleum 120 Comment
  SD260195  Lobelia dunnii var. serrata R. G. Swinney 2009-8-6 11531 Los Angeles Transverse Range: San Gabriel Mountains: San Antonio Canyon, below hogsback, 2.4 mi. upstream from Shinn Rd. on canyon bottom. 1073 Comment
  POM18153  Loeseliastrum matthewsii P. A. Munz 1923-5-26 6827 Los Angeles Big Rock Creek. Comment
  RSA679859  Loeseliastrum matthewsii LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 890 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway. 1143 Comment
  RSA77063  Loeseliastrum matthewsii F. W. Peirson 1921-5-19 952 Los Angeles Little Rock Creek: north base of San Gabriel Mountains. 1037 Comment
  SBBG19208  Logfia arizonica M. A. Piehl 1963-12-8 631082 Los Angeles Cave Cyn, ca. 1/8 mi from mouth 15 Comment
  SD264776  Logfia gallica Steven A. Junak, Ralph N. Philbrick 2001-5-18 Sca 153 Los Angeles UTM in supplement. Santa Catalina Island. Cottonwood Canyon, just S of Cottonwood-Blackjack Road, ca 2.6 miles inland from mouth of canyon. 256 Comment
  UCR104212  Lolium perenne Scott D. White 1997-5-21 5199 Los Angeles San Gabriel Mtns., San Gabriel River Canyon: north of Azusa, parallel to Hwy 39, along unnamed dirt access road to gauging station below Morris Dam 290 Comment
  CAS-BOT-BC271186  Lolium temulentum G. B. Grant 1903-5-10 5494 Los Angeles Redondo Comment
  RSA649697  Lomatium mohavense Michael Horn 1991-4-7 3 Los Angeles San Gabriel Mountains, Topo.: Mescal Creek. Take dirt road 4N06 2 1/2 miles north of Hwy CN4 to reservoir. East 1/8 mile of the unnamed dirt road to site. 1463 Comment
  SBBG126970  Lomatium utriculatum A. Parikh, N. Gale 2011-6-6 3417 Los Angeles Sierra Pelona, 5 km W of St Hwy 14, 1.6 SW of California Aqueduct; E Liebre Mtns 1063 Comment
  RSA209538  Lomatium vaginatum C. W. Tilforth 1969-4-15 181 Los Angeles Between Whittier & West Covina along Colima Ave just n. of Punta del Este Rd. Comment
  RSA452148  Lomatium vaginatum G. R. Proctor 1944-3-4 800 Los Angeles Santa Susana Pass Comment
  RSA99374  Lonicera hispidula var. vacillans Joseph A. Ewan 1933-7-4 7863 Los Angeles above Madrono Flats, E. Fork Santa Anita Canyon. 1067 Comment
  POM4407  Lonicera interrupta I. M. Johnston 1917-8-23 1713 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  POM199700  Lonicera subspicata var. denudata I. W. Clokey 1929-06 4554 Los Angeles Mandeville Canyon, Santa Monica Moutains. 300 Comment
  UCR271990  Lonicera subspicata var. denudata R. G. Swinney 2011-5-31 14899 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
  RSA188211  Lotus argophyllus subsp. ornithopus R. F. Thorne, P. C. Everett 1965-6-22 34900 Los Angeles Santa Catalina Island. Upper end of Avalon Canyon along road 183 Comment
  RSA515123  Lotus argophyllus subsp. ornithopus Aaron Liston, Orlando Mistretta, Loren Rieseberg 1989-4-30 805 -6 Los Angeles San Clemente Island. Waynuk Canyon, W slope of island. Comment
  UCR280807  Lotus argophyllus var. argenteus Mitch Provance 2017-6-30 617- 46 Los Angeles Catalina Island, Northern edge of Avalon, loop road around Sugar Loaf Pk., lower portion of Chime Tower Rd. 79 Comment
  RSA0069203  Lotus corniculatus R. G. Swinney 2010-6-8 13193 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  POM2476  Lotus crassifolius var. crassifolius I. M. Johnston 1917-7-1 1751 Los Angeles San Antonio Mountains; Near Browns Flats. 1372 Comment
  POM50178  Lotus crassifolius var. crassifolius A. D. E. Elmer 1902-06 3697 Los Angeles Acton, Mt. Gleason. Comment
  UC216142  Lotus crassifolius var. crassifolius I. M. Johnston 1917-6-20 1495 Los Angeles Baldy Lookout San Antonio Mountains 2133 Comment
  RSA273124  Lotus dendroideus var. dendroideus Glenn A. Gorelick 1978-5-26 s.n. Los Angeles Catalina Harbor, Santa Catalina Island. Comment
  NY37286  Lotus dendroideus var. traskiae B. Trask 05 1905 288 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
  CDA27202  Lotus grandiflorus T. C. Fuller 1965-4-26 13378 Los Angeles Santa Monica Mountains; East slope of Saddle Peak, Saddle Peak Road, 1.7 miles west of junction with Tuna Canyon Road, 4.6 miles west of Topanga. 0 Comment
  RSA678126  Lotus hamatus Valerie L. Soza, LeRoy Gross 2001-5-22 1244 Los Angeles Morgan Fire 2000 area, between Morgan and Wildwood Canyons, just below Ferguson Motorway (ca. 100 feet below). 473 Comment
  POM27753  Lotus heermannii Marcus E. Jones 1904-08 s.n. Los Angeles Los Angeles Comment
  RSA498325  Lotus heermannii var. heermannii Albert J. Perkins 1912-09 s.n. Los Angeles Mt. Wilson trail Comment
  UCR271308  Lotus oblongifolius R. G. Swinney 2011-10-10 15728 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  RSA654446  Lotus purshianus var. purshianus Valerie L. Soza, Ileene Anderson, LeRoy Gross 2000-6-6 975 Los Angeles Verdugo Mountains, southwest side: North of Chandler Fire Road (Verdugo Mtwy), N of ''La Tuna'', above Chandler and Fisher canyons, S of La Tuna Canyon. 487 Comment
  UCR281390  Lotus salsuginosus R. G. Swinney 2014-5-27 16654 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
  RSA406818  Lotus salsuginosus var. salsuginosus Howard Mullins 1931-5-9 s.n. Los Angeles Griffith Park Comment
  POM9297  Lotus salsuginosus var. salsuginosus P. A. Munz 1920-4-29 3795 Los Angeles San Dimas Canyon. 457 Comment
  RSA545318  Lotus salsuginosus var. salsuginosus T. S. Ross 1992-5-17 6341 Los Angeles San Gabriel Mountains. Center W side of the San Gabriel Reservoir. Short easterly spur canyon along Highway 39 463 Comment
  POM1869  Lotus scoparius Crawford, Hyatt 1916-3-28 s.n. Los Angeles Santa Monica Mountains. 305 Comment
  SEINET243736 Image available Lotus scoparius var. brevialatus Unknown, Scott Steppan 1883-1-4 Los Angeles Sierra Madre Villa Comment
  RSA0080965  Lotus scoparius var. scoparius R. G. Swinney 2010-4-28 12403 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  UCR155666  Lotus scoparius var. scoparius A. C. Sanders, Helen Kennedy 2005-4-13 29459 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCR186659  Lotus scoparius var. scoparius A. C. Sanders 2006-5-16 32349 Los Angeles Tehachapi Mtns. Foothills, off Gorman Post Rd. near the Bailey Substation, c. 1 mile west of Quail Lake 1067 Comment
  RSA616153  Lotus strigosus Valerie L. Soza 1998-5-3 93 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, along southern edge of pHake Lake. 411 Comment
  UCR188656  Lotus strigosus R. G. Swinney 1990-3-23 1539 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora 366 Comment
  LA52440  Lotus strigosus W. O. Griesel; 1936-4-18 Los Angeles Santa Monica Mountains, Faculty Hill U.C.L.A. Campus Comment
  RSA406314  Lotus strigosus Robin S. Collins 1973-8-9 223 Los Angeles Trail Canyon 579 Comment
  RSA587525  Lotus strigosus Orlando Mistretta, S. D. Boyd, Darin Banks 1994-4-29 1099 Los Angeles Santiago Canyon; Ridge on W edge of Santiago Canyon watershed N. of Forest Road 4N20. 1372 Comment
  RSA90422  Lotus strigosus F. W. Peirson 1921-6-20 4076 Los Angeles N fork San Gabriel River 914 Comment
  UC1595303  Lotus strigosus Tim Ross 1992-4-27 6246 Los Angeles s side Indian Hill Mesa (sw of RSA grounds, area bulldozed in Nov 1992 for expansion of the Claremont School of Theology); Claremont, Ontario U.S.G.S. 7.5' Quad. 393 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
  CAS-BOT-BC196147  Lupinus albifrons var. douglasii P. B. Kennedy 1928-3-29 s.n. Los Angeles Summit of ridge, Santa Catalina Is. Comment
  SEINET10937160  Lupinus albifrons var. longifolius Everett 1948-1 EVERETT 19477 Los Angeles Garden 6457, origin palos verdes hills Comment
  RSA165940  Lupinus benthamii D. E. Emery 1958-5-3 s.n. Los Angeles Hills SE of Gorman 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
  POM97152  Lupinus bicolor P. A. Munz 1925-4-23 9419 Los Angeles San Gabriel Canyon 305 Comment
  RSA0042225  Lupinus bicolor Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2858 Los Angeles Santa Catalina Island: By road to Toyon Beach. 314 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
  SFV4367  Lupinus bicolor D. B. Dunn 1941-3-29 965 Los Angeles Monterey Park Street and Garfield Ave. Comment
  RSA442329  Lupinus bicolor subsp. microphyllus Anonymous s.n. Los Angeles [no locality information provided] Comment
  RSA617366  Lupinus concinnus Steve Boyd, Richard K. Brummitt, Laura Moore 1998-5-26 10231 Los Angeles Liebre Mountains region: Warm Springs Mountain, knoll northwest of summit along road into Necktie Basin. 1133 Comment
  SBBG133158  Lupinus concinnus V. Englert, E. R. Mullen 2010-5-4 SERG 10 -43 Los Angeles drainage NW of Stone Station 305 Comment
  JEPS22760  Lupinus elatus Rimo Bacigalupi with Reino Alava 1958-7-20 6414 Los Angeles on Angeles Crest Highway between Mt. Islip and Mt. Williamson (at Islip Saddle); San Gabriel Mountains, Angeles Crest Highway 2118 Comment
  POM210096  Lupinus elatus Victor Duran 1933-7-26 3535 Los Angeles Buckhorn 1982 Comment
  RSA0064351  Lupinus elatus Daisie I. Huang 2006-7-16 06071601 Los Angeles 138 alternate, south of Hwy 2. 1893 Comment
  RSA250346  Lupinus elatus R. F. Thorne 1972-8-11 42209 Los Angeles Mt. Waterman: East end of Mt. Waterman ridge 2317 Comment
  SEINET10485293  Lupinus excubitus var. hallii David B. Dunn 1957-5-18 Dunn RSA 6226 x 6457 Los Angeles Plants 3 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Pressed by howard brown. Hybridization by david b. Dunn. The numbers Are the field plant numbers of rsa. 1St # is female parent x 2nd # male Parent. () Parenthetic # is f1 plant number. Seeds from open field pollen Vector. Comment
  LA205099  Lupinus excubitus var. johnstonii Carl Epling; 1931-5-16 sn Los Angeles San Gabriel Mountains, Big Pines Camp Comment
  RSA167055  Lupinus formosus W. G. Webb 1935-1-27 s.n. Los Angeles Near Glendale Comment
  UCR68900  Lupinus guadalupensis Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4281 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  JEPS65255  Lupinus hirsutissimus Frank W. Peirson 1918-6-4 86 Los Angeles foothills e Rubio Canyon; San Gabriel Mts., e of Rubio Canyon 609 Comment
  RSA674250  Lupinus hirsutissimus LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 701 Los Angeles South side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. 695 Comment
  POM2494  Lupinus hirsutissimus Crawford, Otis Hiatt 1916-3-28 566 Los Angeles Santa Monica Mountains. 305 Comment
  UCSB17126  Lupinus hirsutissimus Vernand, Ramona 1963-4-10 Los Angeles 0.7 mi. N of U.S. Highway 66 on San Dimas Canyon Road, San Dimas Comment
  RSA0043003  Lupinus latifolius R. G. Swinney 2010-6-21 13256 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail. 561 Comment
  CAS-BOT-BC211708  Lupinus longifolius Greene 1904-4-2 4098 Los Angeles Hills near Monrovia 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
  POM19194  Lupinus longifolius Philip A. Munz 1923-5-1 7780 Los Angeles Puddingstone Canyon, San Dimas 274 Comment
  UC1614047  Lupinus microcarpus var. horizontalis Charles M. Belshaw 1935-3-29 497 Los Angeles 20 mi w of Lancaster (West Antelope Valley, on s face of La Liebre Scarp); West Antelope Valley, La Liebre Scarp Comment
  UCSB39067  Lupinus mollisifolius M. W. Stone 1977-5-29 14 Los Angeles collected 2.5 mi up Chantry Flats Road in the San Gabriel Mountains Chantry Flats Road 518 Comment
  UCR200184  Lupinus sparsiflorus Valerie Soza, Laura A. Moore 2000-5-10 837 Los Angeles Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive at fire gate to powerlines 579 Comment
  UCR256250  Lupinus sparsiflorus R. G. Swinney 2010-3-22 12082 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  POM2616  Lupinus succulentus M. Hitchcock 1918-7-18 18 Los Angeles Van Nuys Comment
  RSA166556  Lupinus succulentus W. G. Webb 1935-2-10 s.n. Los Angeles Glendale. Comment
  RSA414318  Lupinus succulentus I. M. Johnston, John P. Hill 1933-3-22 17109 Los Angeles Whites Pt San Pedro Comment
  RSA652474  Lupinus succulentus Edward Kai 1970-3-10 s.n. Los Angeles Diamond Bar. 1 mi W. of Golden Springs Dr. 609 Comment
  UCSB3346  Lupinus succulentus McElwain, Isabelle 1953-4-12 Los Angeles Shoshone Ave. short distance N of intersection of Shoshone and Highwater Rd., Granada Hills 457 Comment
  POM294753  Lupinus truncatus Lyman Benson 1945-5-11 11705 Los Angeles Canyon below Johnson's Pasture, Claremont. 549 Comment
  RSA177715  Lupinus truncatus Robert F. Thorne, Percy C. Everett 1965-5-11 34580 Los Angeles Santa Catalina Island. N side of N beach of Little Harbor. 15 Comment
  RSA414389  Lupinus truncatus T. S. Clare 1929-3-28 s.n. Los Angeles Topanga Canyon. Comment
  RSA661096  Lupinus truncatus Orlando Mistretta 1992-4-5 208 Los Angeles Guds, San Clemente Island. Comment
  CATA3257  Lycium californicum Julie L. King 2017-2-19 55 Los Angeles Santa Catalina Island: North side of road running along north side of Catalina Harbor, abuot 5 meters from road 12 Comment
  SBBG51756  Lycium cooperi R. Gustafson, C. Davidson 1977-4-20 423 Los Angeles Fort Tejon Rd, S of Littlerock ca. 1.5 mi E of the jct with 82nd St 975 Comment
  RSA0048642  Lycium cooperi Lee Haines 1958-5-17 s.n. Los Angeles W. of Vincent, Upper Mint Canyon. 914 Comment
  UC483362  Lyonothamnus floribundus subsp. floribundus L. R. Abrams and I. L. Wiggins 1931-7-4 320 Los Angeles White's Landing Channe Islands, Santa Catalina Island Comment
  SBBG12779  Lyonothamnus floribundus var. floribundus E. R. Blakley 1961-9-24 4767 Los Angeles head of the E fork of Cherry Valley; head of a small cyn 152 Comment
  UC138271  Lythrum californicum LeRoy Abrams 1902-8-8 2962 Los Angeles Ballona Creek near Mesmer; Ballona Creek Comment
  RSA3747  Madia exigua C. B. Wolf 1932-5-11 3573 Los Angeles Santa Catalina Island. On point at west side of Fourth of July Cove. Comment
  POM49797  Madia exigua L. W. Nuttall 1920-6-6 s.n. Los Angeles Cattail Canyon, Santa Catalina Island. Comment
  LA103224  Madia gracilis Barry A. Prigge; 1985-6-14 6399 Los Angeles SANTA MONICA MOUNTAINS, Cold Creek Canyon, along trail from upper gate of Cold Creek Preserve to Murphy Ranch site. 658 Comment
  SBBG95387  Madia gracilis M. B. Dunkle 1928-5-13 1944 Los Angeles Coach Rd 243 Comment
  SEINET7042260  Madia gracilis A. G. Vestal 1938-7-3 s.n. Los Angeles Barley Flats, San Gabriel Mountains, Angeles National Forest. Chilao Flat quadrangle. UTM Zone 11, 401100mE, 379337mN. Ca 5000'. Comment
  RSA92237  Madia minima F. W. Peirson 1920-6-10 238 Los Angeles summit of Mt. Wilson 2134 Comment
  CAS-BOT-BC343601  Madia sativa Grant 1902-9-1 5055 Los Angeles Oak Knoll - Pasadena Comment
  RSA435926  Mahonia dictyota Fordyce Grinnell Jr. 1910-6-11 s.n. Los Angeles Mountain situations, San Gabriel Mountains Comment
  RSA13148  Mahonia nevinii Percy C. Everett 1935-6-25 7244 Los Angeles San Fernando Valley: 1 mile NE of Pacoima on both sides of Van Nuys Blvd. 244 Comment
  RSA641492  Malacothamnus davidsonii Louis C. Wheeler 1967-8-13 10469 Los Angeles San Gabriel Mts: At mouth of Big Tujunga, across Mt. Gleason Ave. opposite Camp Bell Lane [Bill Lane Camp]. Comment
  CAS-BOT-BC206199  Malacothamnus fasciculatus Louis C. Wheeler 1932-5-26 752 Los Angeles San Gabriel Wash 106 Comment
  CAS-BOT-BC206235  Malacothamnus fasciculatus Alice Eastwood 1919-7-4 9286 Los Angeles Santa Monica Canyon, Los Angeles Comment
  RSA660894  Malacothamnus fasciculatus Ann Williams 1992-5-14 24 -92 Los Angeles End of Canyon Dr., .2 miles off Penn St. and 100 yds. E of Whittier College track. 152 Comment
  SD69004  Malacothamnus fasciculatus Robert F. Thorne, D. Propst 1968-5-28 37640 Los Angeles Santa Catalina, bank above oad beside Thompson's Reservoir, Middle Ranch 213 Comment
  SBBG17364  Malacothamnus fasciculatus var. fasciculatus M. Vincent 1962-7-18 264 Los Angeles Mulholland Hwy, 2 mi W of Old Topanga Cyn turnoff Comment
  CAS-BOT-BC206368  Malacothamnus fremontii J. C. Roos 1951-7-30 5072 Los Angeles Big Rock Creek, San Gabriel Mts. 1676 Comment
  RSA703158  Malacothamnus fremontii Scott D. White 2004-8-11 10705 Los Angeles San Gabriel Mountains: About 8 air miles west - northwest of Wrightwood. East of Fenner Saddle Rd. on Pacific Crest Trail. 2073 Comment
  RSA756906  Malacothamnus fremontii R. G. Swinney 2008-6-17 9036 Los Angeles 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway. 1992 Comment
  UC198501  Malacothamnus marrubioides Katharine Brandegee Los Angeles Comment
  JEPS26404  Malacothamnus orbiculatus Frank W. Peirson 1919-6-15 502 Los Angeles San Gabriel Mountains, Rock Creek 1249 Comment
  SFV4045  Malacothrix californica M. L. Vincent 1960-6-23 77 Los Angeles San Gabriel Mountains Big Pine camping area. 1 mile off Highway 138 on the Bald Flat Road. 1829 Comment
  UC194497  Malacothrix coulteri S. B. and W. F. Parish June, 1887 1963 Los Angeles Alpine Comment
  SBBG87883  Malacothrix coulteri H. C. Forbes 1986-4-6 Los Angeles St Hwy 138, ca. 24 mi W of Hwy 14 Comment
  SD90396  Malacothrix foliosa subsp. foliosa Robert F. Thorne 1966-4-15 36021 Los Angeles San Clemente Island; 0.5 mile southsoutheast of Eel Point. 45 Comment
  CAS-BOT-BC347937  Malacothrix saxatilis var. tenuifolia Lewis S. Rose 1960-8-28 60085 Los Angeles Santa Monica Mts., e. slope of Coldwater Canyon 335 Comment
  JEPS30511  Malacothrix saxatilis var. tenuifolia Donald Kyhos 1958-11-1 58 -228 Los Angeles Turnbull Canyon Whittier Comment
  RSA656674  Malosma laurina G. Pitto 1980-6-4 43 Los Angeles South end of Hinderberg [Hindenburg] Park (Crescenta Valley Park), bottom of Dunsmore Ave. La Crescenta. 518 Comment
  SEINET8042058  Malosma laurina I. W. Clokey, B. C. Templeton 1929-1 4588 Los Angeles Western Transverse Range, Santa Monica Mtns., Mandeville Canyon, 300 Comment
  UC1130577  Malosma laurina Jerome S. Horton 1935-7-18 213 Los Angeles below dam Dalton Canyon; Pomona Quad., Dalton Canyon Comment
  RSA503438  Malus sylvestris Louis C. Wheeler 1966-11-27 9164 Los Angeles San Gabriel Mountains: North side Mt. Sally, headwaters of Upper Big Tujunga Canyon by Angeles Crest Hwy, c. 1 mile east Shortcut Picnic Grounds. 1524 Comment
  SD92011  Malva assurgentiflora Reid Moran, R. M. Beauchamp and T. Oberbauer 1975-8-22 22669 Los Angeles San Clemente Island, by buildings north of Wall. 210 Comment
  POM13564  Malva nicaeensis P. A. Munz 1922-5-10 5600 Los Angeles Claremont. 366 Comment
  CATA1335  Malvella leprosa Mark L. Hoefs, Robert F. Thorne, Janet Takara 1995-7-25 2437 Los Angeles Santa Catalina Island: Echo Lake 396 Comment
  RSA440964  Marah macrocarpa F. R. Fosberg 1931-3-18 4287 Los Angeles Hamilton Canyon. 10 Comment
  SD143936  Marah macrocarpa Scott D. White 1997-2-2 4661 Los Angeles San Dimas/Pomona area; Bonelli Regional Park 239 Comment
  UCD107551  Marah macrocarpa Kenneth A. Wilson 1961-3-11 973 Los Angeles San Gabriel Mtns. Placerita Canyon Road. Small canyon 1 mile west of Placerita Canyon State Park. Comment
  UCR96600  Marah macrocarpa Scott D. White 1997-2-2 4661 Los Angeles San Dimas/Pomona area: Bonelli Regional Park, Just NW of Puddingstone Reservoir, south of San Dimas Ave, and east of the I-210 Freeway 305 Comment
  UC1349047  Marah macrocarpa var. major Robert F. Thorne 1966-9-14 36626 Los Angeles Middle Ranch Santa Catalina Island, Middle Ranch Canyon 198 Comment
  OBI26261  Marrubium vulgare Mark Schneider 1973-5-3 s.n. Los Angeles 1/4 mi past Topanga Cyn Blvd, Santa Monica Mts Comment
  SFV4054  Matricaria discoidea K. A. Wilson 1961-3-14 1025 Los Angeles Santa Monica Mountains Mulholland Highway, 0.5 miles west of Seminole Hot Springs. Small valley with running stream. 290 Comment
  CAS-BOT-BC348126  Matricaria discoidea LeRoy Abrams 1902-5-31 2487 Los Angeles Along streets, Inglewood Comment
  UC29542  Matricaria discoidea J. H. Barber 1897-3-25 88 Los Angeles Santa Monica Experimental Station Comment
  RSA600318  Matricaria matricarioides Scott D. White 1997-3-12 4756 Los Angeles Zuma Beach area: mouth of Zuma Creek, E end of the County Beach. 7 Comment
  POM346630  Meconella denticulata Barry Burnell 1971-4-26 331 Los Angeles San Dimas Canyon: 6.2 mi. from intersection of Foothill Road and San Dimas Canyon Road. San Dimas Canyon to Pacific Slope Drainage Area. 480 Comment
  UCR124606  Meconella denticulata I. W. Clokey, B. C. Templeton 1929-1 4428 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  SBBG67107  Medicago polymorpha M. N. Ackley -Mar-1926 575 Los Angeles Eagle Rock 182 Comment
  UC1215281  Medicago polymorpha Peter H. Raven 1962-4-9 17131 Los Angeles Wilson Cove San Clemente Island (near barracks) 60 Comment
  POM304911  Medicago polymorpha Henry J. Ramsey, Henry J. Ramsey 1937-3-21 280 Los Angeles Altadena Drainage area 396 Comment
  SDSU5046  Medicago polymorpha Gerald Collier 1951-4-7 3688 Los Angeles Edge of beach 80 yards from shore in sand. Zuma beach north of Malibu just off U.S. highway 101. Comment
  CAS-BOT-BC281510  Melica imperfecta J. H. Thomas 1957-4-27 6705 Los Angeles Santa Monica Mts. W side of mouth of Latigo Canyon, about 3 miles NW of Pt Dume. 15 miles due W of Santa Monica 152 Comment
  UC144653  Melica imperfecta C. F. Baker 4782 Los Angeles Hills near Claremont Comment
  UC589659  Melica imperfecta Nell Murbarger Mar 1936 71 Los Angeles e side San Clemente Island (first slope above ocean) Comment
  UC818865  Melica imperfecta F. R. Fosberg 1931-3-31 S 4430 Los Angeles Avalon; Santa Catalina Island 8 Comment
  UCR193987  Melica imperfecta R. G. Swinney 1998-8-13 6734 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  UCSB415  Melica imperfecta Kraebel, C. 1932-6-20 Los Angeles San Dimas SRE Plots 303-304 (denuded); Angeles National Forest Comment
  SEINET10599441  Melica imperfecta Adolph D. E. Elmer Elmer 3646 Los Angeles Acton. Comment
  SEINET10926817  Melica imperfecta Paul O. Schallert 1944-4-28 Schallert 1421 Los Angeles Monrovia Canyon. Comment
  UCR157904  Melilotus indicus Robert J. Steers 2005-5-8 7 Los Angeles South Coast, Palos Verdes Peninsula: on primarily south-facing hillside that is 200 ft west of Pirate Dr. along the north side of Forrestal Dr 183 Comment
  LA200496  Melilotus indicus Norman A. Cole; May 1964 323 a Los Angeles SANTA MONICA MOUNTAINS, Piuma Rd, 1.2 mi from junction of Rambla Pacifico and Schuern Road. 685 Comment
  RSA008770  Melilotus indicus Fay A. MacFadden 1930-06 1725 Los Angeles Verdugo Mountains: Tuna Canyon. Comment
  RSA39057  Melilotus indicus E. A. Purer 1932-3-23 2693 Los Angeles El Segundo. Comment
  UCR101515  Melissa officinalis Steve Boyd 1997-7-18 10016 Los Angeles Base of San Gabriel Mtns., Indian Hill Mesa, Rancho Santa Ana Botanic Garden: planting bed in North Riparian garden c. 20 m north of the upper pond and 30 m east of the Home Demonstration Garden. Comment
  RSA578892  Mentha canadensis Tim S. Ross, Steve D. Boyd, Steve Burns 1994-7-6 8098 Los Angeles Cottonwood Swamp confluence of San Francisquito Canyon stream and two tributaries draining off the southeast slopes of Red Mountain. 512 Comment
  RSA440348  Mentzelia affinis Anstruther Davidson 1911-5-28 s.n. Los Angeles Chatsworth Park. Comment
  SFV6137  Mentzelia affinis M. H. Grayum, D. R. Perry 1974-4-3 7441 Los Angeles Palos Verdes Peninsula Palos Verdes Peninsula. Coastal bluff at Flat Rock Point. 15 Comment
  UCR124678  Mentzelia albicaulis B. C. Templeton, I. W. Clokey 1930-4-8 1031 Los Angeles Mojave Desert, west of Lancaster 710 Comment
  RSA747193  Mentzelia dispersa R. G. Swinney 2008-6-10 8998 Los Angeles Devils Punchbowl Co. Park, 2.4 miles SSE of park headquarters on South Fork Trail. 1585 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
  UC586869  Mentzelia laevicaulis var. laevicaulis Joseph Andorfer Ewan 1934-8-4 8327 Los Angeles along auto road in crest of Blue Ridge San Gabriel Mts. 2529 Comment
  RSA446905  Mentzelia ravenii Roy R. Snelling 1977-3-19 13 Los Angeles Mojave Desert, 2 miles S of Pearblossom. 1067 Comment
  RSA250700  Mentzelia veatchiana Robert F. Thorne, Arthur C. Gibson, J. P. Simon, D. J. McGillivray 1970-4-17 39481 Los Angeles Mojave Desert: Ca. 2 miles south of Highway 138, 8 miles ESE of Pearblossom on Grandview Canyon Road. 1189 Comment
  UCR184102  Mentzelia veatchiana A. C. Sanders, T. B. Salvato 2007-4-24 33475 Los Angeles Tehachapi Mountains, hills above head of Oso Canyon near Kern Co. line, along dirt gasline road (track), c. 1.25 mi. SW of National Cement Plant 1220 Comment
  POM147513  Mesembryanthemum nodiflorum Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  SD2089  Micranthes californica Ruth B. Randall August 1928 280 Los Angeles Big Tujunga Canyon Comment
  JEPS40614  Micropus californicus var. californicus W. L. Jepson 1939-4-14 19105 Los Angeles Russell Valley Comment
  RSA0091872  Microseris douglasii subsp. platycarpha Steven A. Junak 2001-5-18 SCa- 1545 Los Angeles Santa Catalina Island. Cottonwood Canyon, along Cottonwood-Blackjack Road, ca. 1.6 miles WSW of Blackjack Peak. Comment
  POM363439  Microseris heterocarpa Anstruther Davidson 1920-5-1 3366 Los Angeles [Unspecified] Comment
  UCSB5050  Microsteris gracilis Albright, S. 1957-3-16 Los Angeles Tapia Park Comment
  LA32248  Mimulus aurantiacus Peter H. Raven; 1959-5-9 14167 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 274 Comment
  JEPS15198  Mimulus aurantiacus var. pubescens W. T. Murphy 1928-2-28 Los Angeles e Little Dalton Canyon; Pomona Quadrangle 762 Comment
  LA209108  Mimulus aurantiacus var. pubescens Elizabeth Levine; 1949-5-8 Los Angeles in Big Tujunga Wash near the bridge Comment
  RSA442649  Mimulus aurantiacus var. pubescens Lester H. Cushman 1932-5-15 s.n. Los Angeles Glendale. Comment
  RSA447920  Mimulus aurantiacus var. pubescens Gary D. Wallace 1964-5-18 s.n. Los Angeles San Dimas. Comment
  UC718209  Mimulus aurantiacus var. pubescens Carl B. Wolf 1936-4-24 7774 Los Angeles base Santa Susana Pass 365 Comment
  UCR273390  Mimulus aurantiacus var. pubescens R. G. Swinney 2011-3-18 14133 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  UC445131  Mimulus aurantiacus var. puniceus R. L. Pendleton 1909-7-2 1360 Los Angeles road e Avalon; Santa Catalina Island 9 Comment
  LA209125  Mimulus aurantiacus var. puniceus F. R. Fosberg; 8105 Los Angeles Santa Catalina Island, Hill n. Avalon 40.0 Comment
  UC125312  Mimulus brevipes T. S. Brandegee 1890-5-15 Los Angeles Santa Catalina Island Comment
  UCR210238  Mimulus cardinalis R. G. Swinney 2008-10-20 9660 Los Angeles San Gabriel Mountains, San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  RSA420657  Mimulus cardinalis T. Gertrude Williamson 1924-08 s.n. Los Angeles Catalina Island. Comment
  RSA0082409  Mimulus floribundus R. G. Swinney 2010-9-7 13723 Los Angeles NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks. 1768 Comment
  RSA582479  Mimulus floribundus Tim S. Ross, S. D. Boyd 1993-5-23 7235 Los Angeles Lower, easterly ridge of Red Mountain, on northerly slope ca 380 m SE of the saddle between Ruby and Clearwater canyons. 963 Comment
  SEINET7072904  Mimulus fremontii A. G. Vestal 1963-5-22 s.n. Los Angeles San Gabriel Range Mountains southeast of Bobs Gap on Big Pines Road. Coordinate datum: WGS84/NAD83. (34? deg. 24' 59" North Latitude, -117? deg. 68' 56" West Longitude; UTM Zone 11, 428121mE, 3808400mN, Coordinate datum: NAD27.). Comment
  UCR125142  Mimulus guttatus A. C. Sanders, Mark Elvin 2002-6-25 25293 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, north of Potrero Cyn. 274 Comment
  JEPS4684  Mimulus johnstonii Rimo Bacigalupi with G. T. Robbins and L. R. Heckard 1953-6-14 4188 Los Angeles upper slopes South Fork Little Rock Creek Canyon (higher n slopes of mts.); San Gabriel Mts., Angeles National Forest 1554 Comment
  UCR209646  Mimulus moschatus R. G. Swinney 2008-7-2 9124 Los Angeles San Gabriel Mtns., Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy 2000 Comment
  UCR202524  Mimulus pilosus R. G. Swinney 2005-8-15 8483 Los Angeles Eastern San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Punchbowl Canyon 1341 Comment
  UCR258719  Mimulus pilosus R. G. Swinney 2010-6-23 13341 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace 335 Comment
  UCR270929  Mimulus pilosus R. G. Swinney 2011-5-26 14883 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
  CAS-BOT-BC388666  Minuartia douglasii Geo. B. Grant 1901-4-10 s.n. Los Angeles Avalon, Santa Catalina Ids Comment
  RSA188331  Minuartia douglasii R. F. Thorne, M. Z. Thorne 1966-5-31 36425 Los Angeles Santa Catalina Island: along bare rocky ridge running S from Orizabe Mt. 579 Comment
  RSA423579  Minuartia nuttallii subsp. gracilis Fred Burlew 1916-08 3139 Los Angeles Mt. San Antonio Comment
  CAS-BOT-BC434631  Mirabilis laevis var. crassifolia John H. Thomas 1957-4-27 6704 Los Angeles Santa Monica Mountains. Coastal hills, west side of mouth of Latigo Canyon, about 3 miles northwest of Pt. Dume. 152 Comment
  CAS-BOT-BC434633  Mirabilis laevis var. crassifolia Carl B. Wolf 1932-5-9 3481 Los Angeles Santa Catalina Island. Left (E.) fork of Pebbly Beach Canyon, 1/3 mi. above mexican houses. 152 Comment
  CATA3319  Mirabilis laevis var. crassifolia Amy Catalano, Laura Roll 2017-3-25 039 Los Angeles Santa Catalina Island: About 0.4 miles up from mouth of Silver Cyn., 150 meters up the main ridge to the north of the canyon 134 Comment
  LA200673  Mirabilis laevis var. crassifolia Carl Epling; L. Ellison 1930-3-28 sn Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon Comment
  RSA3537  Mirabilis laevis var. crassifolia Carl B. Wolf 1932-5-9 s.n. Los Angeles Left (east) fork of Pebbly Beach Canyon about 1/3 mile above the Mexican houses, Santa Catalina Island. 152 Comment
  SD39338  Mirabilis laevis var. crassifolia Edith A. Purer 1931-3-8 1007 Los Angeles Griffith Park. Comment
  RSA464638  Mirabilis laevis var. crassifolia C. B. Liter, J. A. Powell 1928-04 s.n. Los Angeles Santa Catalina Island Comment
  RSA84229  Monardella australis subsp. australis F. W. Peirson 1907-7-9 1070 Los Angeles Pine Flats at the headwaters of the Tujunga 1677 Comment
  UC1584902  Monardella australis subsp. cinerea Tim Ross, Steve Boyd 1991-7-24 5594 Los Angeles near Pacifico Mountain Road x Roundtop Truck Road intersection; Pacifico Mtn. USGS 7.5 quad., Grantite Mountain vicinity 1901 Comment
  UC1124620  Monardella breweri subsp. glandulifera Jerome S. Horton 1936-8-12 378 Los Angeles Brown's Flat Cucamonga Quadrangle Comment
  RSA0073224  Monardella candicans var. exilis Bonnie C. Templeton 1931-5-17 1204 Los Angeles North end of Boquet Canyon, San Gabriel Mts. Comment
  RSA226993  Monardella cinerea Robert F. Thorne 1971-8-25 41240 Los Angeles summit of Mt. Baden Powell toward S ridge on crest at top. 2835 Comment
  CAS-BOT-BC220138  Monardella exilis Roxana S. Ferris 1918-6-12 925 Los Angeles Lancaster Comment
  RSA552596  Monardella exilis D. Charlton 1991-5-18 5186 Los Angeles Piute Ponds, Edwards Air Force Base. Old Homestead road just east of ponds, south of Rosamond Dry Lakebed. 701 Comment
  SBBG44376  Monardella exilis G. Sphon, D. Hearn 1956-5-30 11 Los Angeles Black Butte, Antelope Valley Comment
  UC604834  Monardella exilis Roxana S. Ferris and Ruth P. Rossbach 1938-5-13 9483 Los Angeles 4 mi ne Lancaster (on the Muroc Road) Comment
  UCSB22993  Monardella exilis Engel, C. 1967-5-19 Los Angeles Sierra Highway, 2.2 miles south of its junction with Avenue M, then 0.6 mile south on dirt road, Antelope Valley 762 Comment
  RSA580350  Monardella viridis subsp. saxicola Louis C. Wheeler 1936-6-21 4166 Los Angeles W Fork Palmer Canyon, San Gabriel Mountains. 701 Comment
  UC50102  Monolopia lanceolata W. H. Brewer Feb. 1861 185 Los Angeles Cahuenga Pass Comment
  CAS-BOT-BC108991  Mucronea californica Le Roy Abrams 1902-6-10 2507 Los Angeles Playa del Rey. Comment
  CAS-BOT-BC108993  Mucronea californica Geo. B. Grant 1902-5-10 s.n. Los Angeles Arcadia. Comment
  CATA3532  Muhlenbergia asperifolia Peter J. Dixon 2017-9-13 099 Los Angeles Santa Catalina Island: Pacific side; Shark Harbor, in drainage between beach and road crossing, moist canyon bottom 0 Comment
  POM210089  Muhlenbergia californica Victor Duran 1933-8-11 3546 Los Angeles South Fork, Big Rock Creek 1600 Comment
  RSA716915  Muhlenbergia californica LeRoy Gross 2006-7-10 2542 Los Angeles Fall Creek Road (3N27) Forest Service Road Survey. Started from where the road crosses the North Fork of Mill Creek, end at Big Tujunga Canyon. 963 Comment
  SBBG119071  Muhlenbergia californica S. D. White 2004-7-28 10653 Los Angeles Clear Crk area, in and around "The Pines" picnic area, immediately S of the Angeles Forest Hwy, ca. 0.5 mi W of jct with Angeles Crest Hwy; T2N R12W S8 976 Comment
  CAS-BOT-BC275288  Muhlenbergia microsperma Joseph Burtt Davy 1901-3-1 s.n. Los Angeles Saugus Comment
  SBBG59552  Muhlenbergia microsperma M. N. Ackley -Mar-1928 16 Los Angeles Eagle Rock Hill 365 Comment
  UC572681  Muhlenbergia microsperma Nell Murbarger May, 1936 197 Los Angeles w side of island San Clemente Island Comment
  UCR241702  Muhlenbergia microsperma Dan S. Cooper 2012-4-14 412- 21 Los Angeles Western Transverse Range; Hollywood Hills, 1-mile Tree, off Western Canyon Rd., Griffith Park 270 Comment
  RSA0094372  Muilla maritima R. G. Swinney 2011-5-31 14932 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  RSA0098769  Muilla maritima R. G. Swinney 2011-7-8 15485 Los Angeles San Gabriel Mountains: 'Strawberry Potrero'?, uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  UC1134635  Muilla maritima A. D. Gifford 1935-5-11 206 Los Angeles 2 1/2 mi sse Neenach; Tejon Quadrangle Comment
  UC1595392  Muilla maritima Tim Ross and Peter Fritsch 1990-6-20 3682 Los Angeles Rincon-Red Box Rd (2N24) on ridgetop between W Fk San Gabriel River and Roberts Canyon; San Gabriel Mountains 1255 Comment
  UCR221917  Muilla maritima R. G. Swinney 2009-4-28 10523 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UCR223058  Muilla maritima R. G. Swinney 2009-6-2 11015 A 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
  SBBG52890  Munzothamnus blairii F. C. Boutin 1967-4-23 1666 Los Angeles Lemon Tank 304 Comment
  RSA727368  Nama demissa R. G. Swinney 1998-5-16 6072 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  CAS-BOT-BC259911  Nassella lepida Peter H. Raven; H. L. Wedberg 1957-6-15 10903 Los Angeles Latigo Canyon, 0.8 mile N of US 101A, Santa Monica Mountains Comment
  CAS-BOT-BC259913  Nassella lepida Marcus E. Jones 1882-5-2 3544 Los Angeles Pasadena Comment
  RSA653866  Nassella lepida Valerie L. Soza, LeRoy Gross, Adelina Munoz 2000-5-12 881 Los Angeles Verdugo Mountains, northeast side: Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. Fire road south from Engleheard Canyon to powerlines. 396 Comment
  SEINET11682297  Nassella lepida H. E. Hasse 1888-1 s.n. Los Angeles no further locality Comment
  UCD87915  Nassella lepida Peter H. Raven 1959-5-3 14059 Los Angeles Mulholland Drive near Beverly Glen Boulevard. 381 Comment
  RSA526636  Nassella pulchra Steve Boyd 1990-4-7 4229 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  UCD87682  Nassella pulchra Robert F. Thorne 1966-4-6 35930 Los Angeles Santa Catalina Island. About 1 mile west of Empire Landing. 213 Comment
  RSA3603  Navarretia hamata subsp. leptantha C. B. Wolf 1932-5-13 3620 Los Angeles Above Hamilton Canyon, Catalina Island 243 Comment
  UC729521  Navarretia hamata subsp. leptantha Carl B. Wolf 1932-5-13 Los Angeles Hamilton Canyon, along ridge fence-line Santa Catalina Island 243 Comment
  LA204526  Nemacladus gracilis Carl Epling; 1941-5-8 Los Angeles near Little Rock Comment
  JEPS78507  Nemacladus longiflorus var. longiflorus Frank W. Peirson 1921-6-21 2453 Los Angeles San Gabriel Mountains, West Fork of San Gabriel River 640 Comment
  SBBG125038  Nemacladus longiflorus var. longiflorus A. Parikh, N. Gale 2010-6-19 3348 Los Angeles upper Big Tujunga Cyn, 1.2 km W of Shortcut Station, 0.8 km N of St Hwy 2, San Gabriel Mtns 1238 Comment
  UCR222835  Nemacladus sigmoideus R. G. Swinney 2009-4-29 10596 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  RSA213338  Nemophila menziesii Reid V. Moran 1941-3-6 681 Los Angeles Middle Ranch Canyon, Santa Catalina Island. 300 Comment
  UCR189392  Nemophila menziesii R. G. Swinney 1998-5-30 6157 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  RSA599257  Nemophila menziesii var. integrifolia Steve Boyd, Lauren Raz 1997-3-31 9432 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 914 Comment
  SBBG117922  Nemophila menziesii var. integrifolia G. B. Grant -Mar-1903 833 Los Angeles Pasadena Comment
  POM97301  Nemophila menziesii var. integrifolia P. A. Munz 1925-3-18 8923 Los Angeles Newhall Grade. Comment
  RSA304020  Nemophila menziesii var. integrifolia Jim R. Shevock 1971-3-28 823 Los Angeles Mapleleaf Cyn, San Gabriel Mtns. 488 Comment
  UCR126250  Nerium oleander A. C. Sanders 2003-3-14 25783 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 171 Comment
  RSA604995  Nicotiana attenuata Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: At mouth of Sawmill Canyon. 2012 Comment
  UCR189878  Nicotiana attenuata R. G. Swinney 1998-9-7 6929 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, c. 1 mi. west of summit of Pine Mountain 2659 Comment
  CAS-BOT-BC231571  Nicotiana glauca Henry J. Thompson 1958-10-22 1809 Los Angeles Santa Monica Mountains. North slope of Mount Hollywood, Griffith Park 381 Comment
  UC66682  Nicotiana glauca N. K. Berg 1904-4-16 Los Angeles San Pedro Comment
  SEINET6174918  Nicotiana glauca N. K. Berg 1904-4-16 s.n. Los Angeles San Pedro Comment
  SEINET10696846  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3980 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  RSA0055090  Oenothera bistorta var. veitchiana Jim Shevock 1971-2-13 661 Los Angeles Mulholland Dr., Los Angeles 609 Comment
  RSA730257  Oenothera californica subsp. californica R. G. Swinney 1999-6-5 7266 Los Angeles San Gabriel Mtns.: ridge extending west from Big John Peak, above Big John Flat 1799 Comment
  UCR138537  Oenothera californica subsp. californica L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mtns, Juniper Hills Road, Juniper Hills, just north of road 1372 Comment
  RSA230706  Oenothera californica subsp. californica Robert F. Thorne, M. Z. Thorne 1969-7-10 38439 Los Angeles San Gabriel Mountains, Angeles National Forest: N of Jackson Lake 1860 Comment
  RSA670382  Oenothera contorta Bonnie C. Templeton 1931-5-17 1217 Los Angeles W. of Lancaster, Mojave Desert. Comment
  SFV2524  Oenothera deltoides subsp. cognata T. L. Kasbeer 1963-11-6 s. n. Los Angeles Mojave Desert Quartz Hill along 50th Street West at Avenue L, 9 miles southwest of Lancaster. 740 Comment
  UC1007146  Oenothera elata subsp. hirsutissima Philip A. Munz 1935-9-19 13989 Los Angeles Claremont Comment
  RSA73314  Oenothera rosea F. W. Peirson 1934-4-14 11144 Los Angeles Jannoch Nurseries, northwestern part of Pasadena Comment
  SD186272  Oenothera speciosa A. C. Sanders, Lee Jones 2005-4-8 29345 Los Angeles Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente. 2 Comment
  POM186342  Oenothera speciosa Joseph A. Ewan 1932-6-29 7564 Los Angeles Arizona Ave. four miles W of Hawthorn. Comment
  SD218975  Oncosiphon piluliferum Steve Boyd 2006-5-11 11659 Los Angeles San Gbriel Mountains region; alluvial fan below San Antonio Canyon at southern base of the range just west of Los Angeles/San Bernardino County line along north margin of the westbound 210 Freeway at Monte Vista/Baseline Ave. off ramp. 487 Comment
  UC1979844  Oncosiphon piluliferum Steve Boyd 2006-5-11 11659 Los Angeles Transverse Ranges; San Gabriel Mountains region: Alluvial fan below San Antonion Canyon at southern base of the range, just west of os Angeles / San Bernardino Couty line along north margin of the west-bound 210 Freeway at Monte Vista / Baseline Ave off-ramp. Comment
  UC557627  Opuntia Nell Murbarger 1936-3 94 Los Angeles San Clemente Island; mesa summit Comment
  RSA602483  Opuntia basilaris var. brachyclada L. C. Wheeler 1972-4-18 s.n. Los Angeles San Gabriel Mountains: 1/4 mile upstream from Monte Cristo Campground, Mill Creek. Comment
  SDSU20027  Opuntia littoralis Michael G. Simpson, Lori L. Simpson 2012-4-21 3679 Los Angeles Santa Catalina Island, top of ridge north of USC Marine station. 55 Comment
  RSA670809  Opuntia parryi Joseph M. Keefe 2001-1-19 30981 Los Angeles Big Tujunga Wash, 200 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles, 91040. 385 Comment
  RSA0087366  Orobanche bulbosa Blanche Sell 1923-5-23 s.n. Los Angeles Topanga Canyon. Comment
  RSA0066502  Orobanche fasciculata Tim Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3801 Los Angeles San Gabriel Mountains. Ridgetop to the SW of Crystal Lake (ridge descending SSW from Mt. Islip). 1780 Comment
  POM292781  Orthocarpus purpurascens Lyman D. Benson 1945-4-14 11673 Los Angeles Claremont. 351 Comment
  RSA591067  Orthocarpus purpurascens var. purpurascens J. Mark Porter, J. Travis Columbus, Gracie dos Santos 1996-6-5 10915 Los Angeles Ca. 2 mi N Solemint, just off Arline Rd., 2.0 mi from intersection with Sierra Hwy. Around a vernal pool on shelf above Plum Canyon and Arline Rd. Pool not evident from road. 610 Comment
  CAS-BOT-BC355756  Osmadenia tenella Alice Eastwood 1906-5-27 11 Los Angeles Country adjacent to Los Angeles. Garvanza Comment
  UCR256212  Osmorhiza berteroi R. G. Swinney 2010-10-13 14029 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  RSA0020288  Osmorhiza brachypoda Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5102 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  SEINET5619510 Image available Oxalis corniculata Old Rch 2003-3-20 sn Los Angeles Santa Monica/Los Angeles vicinity Comment
  UCR220240  Oxalis corniculata R. G. Swinney 2009-4-13 10332 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, 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
  UCR191296  Oxytheca parishii R. G. Swinney 1998-7-2 6267 Los Angeles San Gabriel Mtns., north of Table Mountain, Wrightwood area, 1.6 mi. north of junction of roads 4N21B, 4N21A, and 4N21 on ridge north of end of 4N21 1963 Comment
  SD247487  Oxytheca parishii var. parishii R. G. Swinney 2010-10-8 14010 Los Angeles San Gabriel Mountains: Sadie Hawkins Peak, first ridgetop north of heliport at South Mount Hawkins on Hawkins Ridge (Crystal Lake 7.5'Q) 2421 Comment
  UC1584914  Oxytheca trilobata Tim Ross and Steve Boyd 1991-7-24 5652 Los Angeles Granite Mountain San Gabriel Mountain Range, Chilao Flat USGS 7.5' Quad 1975 Comment
  RSA522436  Oxytheca trilobata Tim S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4015 Los Angeles San Gabriel Mountains: NE of Tie Summit Station and E of Angeles Forest Highway, Tujunga Ranger District, Angeles National Forest. Comment
  JEPS23713  Packera breweri Peter H. Raven 1959-5-1 14051 Los Angeles 1 mi w of Las Virgenes Rd Malibu Creek drainage; Santa Monica Mountains, Mulholland Hwy 274 Comment
  RSA0025166  Packera ionophylla Jane Tirrell 2012-6-19 LS 0078 Los Angeles North side California State Route 2 near mile marker 66.28. 2203 Comment
  RSA434237  Paeonia californica Donald R. Bissing 1973-5-4 56 Los Angeles Evey Canyon, 0.3 mile from canyon mouth. 744 Comment
  UCR178614  Papaver R. G. Swinney 1989-8-25 s.n. Los Angeles San Gabriel Mtns., Glendora, 50 yards north of Bluebird Motorway, 100 yards west of eastern boundary of Bluebird Ranch Comment
  SEINET10596831  Parapholis incurva Timothy S. Ross 1992-4-14 Ross 6183 Los Angeles San Clemente Island: Lemon Tank Road, 25 m ESE of its intersection with the main N-S island road. Locally common annual weed along ruts and margins of the road on hard-packed clay soil. Surrounding vegetation disturbed Stipa grassland with Trifolium spp.,. Achillea, Vulpia myuros, etc. 341 Comment
  UC729795  Parietaria hespera var. californica Carl B. Wolf 1932-5-11 Los Angeles Fourth O' July Cove Santa Catalina Island (above the road) 30 Comment
  POM246471  Parietaria hespera var. hespera F. R. Fosberg 1931-4-29 S- 4722 Los Angeles 1/2 mile below Eagles nest, Middle Ranch Canyon, Santa Catalina Island. 140 Comment
  SD66885  Parietaria hespera var. hespera R. Mitchel Beauchamp 1967-3-17 284 Los Angeles On south slope of canyon below Lemon Tank, San Clemente Island. Comment
  RSA756352  Parietaria judaica A. C. Sanders, Lorraine Weller, Alejandra Martinez B. 2009-9-16 37181 Los Angeles Los Angeles, Watts area, along Stanford Ave. between 111th Place and end at drainage ditch 34 Comment
  POM368766  Pectocarya anisocarpa Ora M. Clark 1929-3-29 1819 Los Angeles East of Sandberg. Comment
  CATA436  Pectocarya linearis subsp. ferocula Sara L. Crockett, Mark Elvin 1997-3-17 574 Los Angeles Santa Catalina Island: Top of SE-trending ridge, overlooking road ca. 1.25 mies NE on Cape Canyon Road from jct. with Middle Ranch Road 381 Comment
  POM19186  Pectocarya linearis subsp. ferocula P. A. Munz 1923-4-9 6690 Los Angeles Lemon Tank, San Clemente Island Comment
  SBBG37717  Pectocarya linearis subsp. ferocula R. Moran 1941-3-11 698 Los Angeles ridge N of Middle Ranch 300 Comment
  UC1178539  Pectocarya penicillata Peter Kamb 1948-5-6 936 Los Angeles above Little Rock; San Gabriel Mtns, desert foothills 975 Comment
  UC1871135  Pectocarya penicillata T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4803 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  UCR198508  Pectocarya penicillata Kai T. Palenscar 2008-4-3 s.n. Los Angeles San Bernardino Mountains, west of Angeles Forest Hwy and off of Aliso Canyon Road 1231 Comment
  JEPS68245  Pectocarya setosa W. L. Jepson 1939-4-21 19239 Los Angeles sandy flats near Yucca Grove; West Mojave Desert, Antelope Valley, Neenach School 914 Comment
  UCR177473  Pectocarya setosa LeRoy Gross 2005-5-19 2289 Los Angeles Tehachapi Mountains, SE base of the mountains, just above the the W side of Cottonwood Creek 1174 Comment
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Feb 19 2017
  UCR186574  Pectocarya setosa A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32218 Los Angeles Tehachapi Mtns. Foothills, hills immediately NW of Quail Lake, vicinity of Benchmark 3562/Quail 1098 Comment
  RSA191000  Pectocarya setosa R. F. Thorne 1963-5-15 31672 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
  UC1537391  Pectocarya setosa Gordon H. True Jr. 1936-3-21 280 Los Angeles 7 mi w Palmdale; Bouquest Canyon 944 Comment
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Apr 25 2012
  SBBG68696  Pedicularis semibarbata Anstruther Davidson 1893-1 Los Angeles Rock Crk Comment
  RSA503188  Pedicularis semibarbata Gary D. Wallace 1975-7-12 1443 -B Los Angeles Angeles National Forest: just W of Lodgepole Picnic Ground. West Fork Dorr Canyon at springs above road. 2311 Comment
  LA94141  Pellaea andromedifolia Lawrence L. Kiefer; 1966-3-20 1759 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon, ca 1 mi from mouth of canyon. 91 Comment
  RSA0114813  Pellaea andromedifolia R. G. Swinney 2011-10-25 15851 Los Angeles San Gabriel Mountains; along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek. 1001 Comment
  RSA686733  Pellaea andromedifolia Alva Watry 1931-5-17 s.n. Los Angeles Mint Canyon Comment
  SBBG12495  Pellaea andromedifolia P. H. Raven 1962-4-11 17304 Los Angeles ca. 1 mi S of Wilson Cove 121 Comment
  CAS-BOT-BC67711  Pellaea andromedifolia R. M. Beauchamp 1967-1-27 112 Los Angeles San Clemente Island - field east of Wilson Cove area. Comment
  UC557636  Pellaea andromedifolia Nell Murbarger March, 1936 20 Los Angeles Mesa summit; San Clemente Isl Comment
  RSA329734  Pellaea andromedifolia var. andromedifolia Gary D. Wallace 1966-3-25 211 Los Angeles San Gabriel Mountains: Millard Canyon north of Pasadena. 915 Comment
  UC1870335  Pennisetum setaceum LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 284 Los Angeles [Transverse Ranges; Verdugo Mountains region]; Verdugo Mountains: Chandler Fire Road, above locked gate at corners of Olivia Terrace and Edmore Street, Sun Valley 365 Comment
  UC1871294  Penstemon centranthifolius T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3940 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. (West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10) Comment
  UC2042041  Penstemon centranthifolius Orlando Mistretta 1992-5-16 1 Los Angeles Transverse Ranges; San Gabriel Mountains region: Vicinity of Big Pines; head of Swarthout Valley; Mountain High Ski Area. Comment
  SEINET6738654 Image available Penstemon centranthifolius G. B. Grant 932 Los Angeles Pasadena Comment
  RSA408060  Penstemon grinnellii N. C. Cooper 1949-6-18 4203 Los Angeles Angeles Crest Hwy. 1524 Comment
  NY601183  Penstemon grinnellii var. grinnellii F. W. Pennell 1940-6-24 25998 Los Angeles Pine Mountain, south of Swartout 2468.9 Comment
  NY601245  Penstemon grinnellii var. scrophularioides T. S. Ross 1994-5-4 7647 Los Angeles Vicinity of Grass Mountain: ridge descending east-southeast from the north summit of Grass Mountain; margin of Grass Mountain - Leona Divide Truck Trail. 1274.1 Comment
  UC61539  Penstemon heterophyllus var. australis Ernest Braunton June 1903 893 Los Angeles Glendale to Burbank; Glendale to Burbank Comment
  RSA774793  Penstemon labrosus R. G. Swinney 2009-7-23 11391 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  SBBG66552  Penstemon labrosus V. Duran 1933-7-19 3519 Los Angeles Buckhorn 1981 Comment
  UCSB22117  Penstemon labrosus Wilken, Dieter 1967-7-15 Los Angeles Near Summit of Mt. Gleason; west of Mill Creek Summit; San Gabriel Mtns 1981 Comment
  RSA0036214  Penstemon spectabilis Fran Dourisboure 1966-5-10 s.n. Los Angeles San Rafael (Raphael on sheet) Mountains. 213 Comment
  UCSB6202  Penstemon spectabilis Gill, Robert 1959-6-4 Los Angeles Near nursery at Padua Hills, Mill Ave. 548 Comment
  RSA401822  Penstemon spectabilis subsp. subviscosus H. J. Montgomery 1923-5-30 s.n. Los Angeles Sturtevant Trail, Santa Anita Canyon. Comment
  RSA729363  Penstemon spectabilis var. subviscosus R. G. Swinney 1998-7-27 6494 Los Angeles Dry Lake, south of Sunset Peak at head of Dry Lake Canyon. 1515 Comment
  SD52440  Penstemon spectabilis var. subviscosus Skip Stone May 1952 50 Los Angeles Blanchard Park, Claremont, Mt. Range: San Gabriel, Pac. Slope drainage 334 Comment
  UC103122  Penstemon spectabilis var. subviscosus C. F. Baker 1903-7-20 3348 Los Angeles Claremont Comment
  RSA0097052  Pentacaena ramosissima E. S. Spalding 1924-5-3 s.n. Los Angeles Manhattan Beach. Comment
  LA94209  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-26 1789 Los Angeles SANTA MONICA MOUNTAINS, Woodland Hills, Mulholland Hwy [prob Dr.], ca 1 mi W of Topanga Canyon Rd. 304 Comment
  RSA0070745  Pentagramma viscosa T. S. Ross 1993-4-22 6909 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); 885 m due N of Cactus Peak summit; northerly slope draining to middle Bullrush Canyon. 289 Comment
  UCR203251  Perideridia gairdneri R. G. Swinney 2001-8-27 8121 Los Angeles San Gabriel Mountains, Windy Spring, 0.3 mi northwest of Little Jimmy Campground 2256 Comment
  UC1348960  Perityle emoryi Robert F. Thorne 1966-4-4 35754 Los Angeles se of Ballast Point (se of Catalina Harbor, Isthmus); Santa Catalina Island 91 Comment
  RSA0115842  Perityle emoryi Steven A. Junak 1999-7-15 SCa- 1026 Los Angeles Santa Catalina Island. On Salta Verde Beach, just E of S-facing bluffs/rock face. 6 Comment
  SFV16027  Phacelia brachyloba A. M. Orcino, A. Sutton 1994-5-14 22 Los Angeles Santa Monica Mountains Calabasas. Stunt High Trail, 1 mile east on Stunt Road from junction with Mulholland Highway. 796 Comment
  LA26125  Phacelia cicutaria var. hispida Judith Webb; 1955-4-2 sn Los Angeles Santa Monica Mountains, fireroad below Mount Saint Mary's College 243 Comment
  POM123377  Phacelia cicutaria var. hispida Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. [Santa Monica Mountains] Comment
  UC1302892  Phacelia cicutaria var. hispida Peter H. Raven and Robert F. Thorne 1964-5-7 19010 Los Angeles near Seminole Hot Springs; Santa Monica Mountains, Saddle Rock Ranch Comment
  UC697771  Phacelia cicutaria var. hispida Kay H. Beach 1943-5-11 1738 Los Angeles along Woods Trail San Gabriel Mts., Little Dalton Canyon 396 Comment
  RSA552589  Phacelia cicutaria var. hispida D. Charlton, Robb Fishman 1991-5-21 5215 Los Angeles Southern Ritter Ridge, site of Joshua Tree preservation preserve, Palmdale. 1037 Comment
  UC1424875  Phacelia cicutaria var. hispida Jack Delaini 1974-4-25 128 Los Angeles bank above stream near bottom of canyon Angeles National Forest, San Dimas Experimental Forest, Lodi 426 Comment
  RSA483581  Phacelia ciliata D. Charlton 1988-4-3 1717 Los Angeles West of Lancaster on Hwy 138. Quail Lake area between Gorman and Holiday Valley. 1067 Comment
  RSA592352  Phacelia cryptantha Louis C. Wheeler 1967-5-12 9426 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  UCR189738  Phacelia curvipes R. G. Swinney 1998-7-10 6387 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
  RSA600057  Phacelia davidsonii Steve Boyd, Lauren Raz 1997-5-20 9812 Los Angeles Liebre Mountains region: Northern flank of Sawmill Mountain, upper Heryford Canyon drainage, just northeast of Sawmill Summit at the junction of Forest Service roads 7N23 and 7N08. 1341 Comment
  SD38330  Phacelia davidsonii J. McCulloch 1931-5-4 2065 A Los Angeles San Gabriel Range Comment
  CAS-BOT-BC134017  Phacelia distans Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills Comment
  UC284812  Phacelia distans P. A. Munz 1923-5-25 6813 Los Angeles Big Rock Creek San Gabriel Mts. 1280 Comment
  UCR177535  Phacelia distans LeRoy Gross 2005-4-28 2155 Los Angeles San Gabriel Mountains, Ridgeline to Mt. Emma and canyon south of this ridge. W from Mt. Emma (NW trending ridge, lower part of ridgeline starts to turn SW) east of Mt. Emma Rd 1413 Comment
  SD113330  Phacelia douglasii Darley F. Howe 1948-5-2 1780 Los Angeles Desert side of Angeles Crest Highway. 1584 Comment
  RSA133557  Phacelia egena L. R. Heckard 1953-6-14 498 Los Angeles 2.5 miles down road to Little Rock from junction of Pacifico Mt. Road. 1555 Comment
  RSA0089513  Phacelia fremontii R. G. Swinney 2011-4-20 14424 Los Angeles Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 miles upstream in Hunt Cyn. 1220 Comment
  UC1537523  Phacelia fremontii Gordon H. True 1935-3-5 43 Los Angeles 4 mi s Palmdale 944 Comment
  UCR163323  Phacelia fremontii B. G. Pitzer 1998-5-12 3705 Los Angeles Western Mojave Desert, Hwy 138 (Palmdale Hwy), c. 1 mi. west of the San Bernardino County line 1171 Comment
  RSA617863  Phacelia fremontii Walter Wisura 1998-4-3 5120 Los Angeles San Gabriel Mts: Bob's Gap Road, just N of Holcomb Ridge. Comment
  RSA75530  Phacelia fremontii F. W. Peirson 1933-5-13 10663 Los Angeles About 10 miles south of Munroc, Western Mojave Desert. Comment
  JEPS1986  Phacelia grandiflora F. W. Peirson 1918-6-4 159 Los Angeles foothills e Rubio Canyon; San Gabriel Mountains 609 Comment
  SBBG64951  Phacelia grandiflora M. N. Ackley 1927-5-29 Los Angeles Mulholland Drive 548 Comment
  UCD120618  Phacelia imbricata Kenneth A. Wilson 1962-5-12 1277 Los Angeles San Gabriel Mts., northern slope. Comment
  RSA428002  Phacelia imbricata subsp. imbricata Elbert Benjamine 1929-5-26 193 Los Angeles San Dimas Canyon, San Gabriel Mountains. Comment
  RSA585687  Phacelia imbricata subsp. patula Tim S. Ross, Steve Boyd, Peter Fritsch 1990-6-11 3017 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon. 1255 Comment
  JEPS1188  Phacelia minor F. W. Peirson 1918-6-4 162 Los Angeles foothills e Rubio Canyon; San Gabriel Mountains 609 Comment
  POM8592  Phacelia minor P. A. Munz 1920-5-2 3818 Los Angeles San Dimas Canyon. 457 Comment
  UC1174715  Phacelia minor George W. Gillett 1954-4-23 367 Los Angeles Johnson's Pasture San Gabriel foothills (near Claremont) Comment
  UCR238655  Phacelia minor Anuja Parikh, Nathan Gale 2010-6-21 3355 Los Angeles Transverse Range; San Gabriel Mountains, upper Shortcut Canyon, 0.4 km south of State Hwy 2 (Angeles Crest Hwy), 0.8 km southeast of intersection of State Hwy 2 with Upper Big Tujunga Canyon Road 1390 Comment
  UCR255771  Phacelia minor R. G. Swinney 2010-5-4 12487 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
  UCD120565  Phacelia minor Arthur Alcantara 1993-4-1 s.n. Los Angeles Stetson Ranch, Santa Susana Mtns. N. on Balboa past I-5 fwy., rt. On Foothill Blvd., lt. on Glenoaks Blvd. and then a quick lt. onto dirt road, trail to top of hillside, on rt. Side of trail. 390 Comment
  RSA775955  Phacelia mohavensis Orlando Mistretta, Christine Mistretta 2010-6-17 5338 Los Angeles Upper Big Tujunga canyon; Alder Creek; 0.4 miles upstream (NW) of creek crossing at Upper Big Tujunga Canyon Road. 1025 Comment
  UCSB12493  Phacelia parryi Haines, A. 1962-3-25 Los Angeles Bottom of Escondido Canyon after burn; Santa Monica Mountains 45 Comment
  RSA0080654  Phacelia ramosissima R. G. Swinney 2010-5-29 13016 Los Angeles May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar. 939 Comment
  CAS-BOT-BC154385  Phacelia ramosissima var. latifolia John Thomas Howell 1947-7-18 23398 Los Angeles Blue Ridge, San Gabriel Mts. 2590 Comment
  POM4239  Phacelia viscida C. L. Hitchcock 1918-7-3 15 Los Angeles San Fernando Side of Topango [Topanga] Canyon Road. Comment
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May 29 2014
  CHSC110026  Phalaris aquatica V. Soza; LeRoy Gross 2001-5-22 1234 Los Angeles Transverse Ranges, San Gabriel Mountains region: Morgan Fire 2000 area, between Morgan and Sycamore Canyons, at end of old fire road west of Sycamore Flat Motorway (FS Road 1N15). 716 Comment
  UCR266283  Phalaris aquatica D. E. Bramlet 2005-6-2 3867 Los Angeles Whittier Hills, Worsham Canyon 274 Comment
  UCR88668  Phalaris minor Scott D. White, Chet McGaugh 1995-5-9 2986 Los Angeles Transverse Range; Eastern Santa Susana Mtns, just west of San Gabriel Mtns: 'Sunshine Canyon' (name not shown on topo): west of San Fernando Road and Hwy I-5 Fwy, just SW of interchange with State Route 14. Sunshine Canyon Landfill property, site proposed for landfill expansion 488 Comment
  UCR125383  Phlox gracilis A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25726 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, canyon NE of 'Grapevine Mesa,' SE of confluence of Castaic Creek and Santa Clara River, SSW of large trailer park on Hwy 126, west of 'oil tanks' near BM 1073 Comment
  CATA1461  Pholistoma auritum Mark L. Hoefs, Robert F. Thorne 1996-4-6 2645 Los Angeles Santa Catalina Island: Renton Mine Road 243 Comment
  CAS-BOT-BC222553  Pholistoma auritum var. auritum Henry J. Thompson 1959-4-19 1939 Los Angeles Santa Monica Mountains. Mulholland Hwy. 1 mile W. of Las Virgenes Rd. Malibu Creek drainage 274 Comment
  CAS-BOT-BC222551  Pholistoma auritum var. auritum Dr. H. E. Hasse 1888-4-1 s.n. Los Angeles Los Angeles Comment
  RSA3551  Pholistoma racemosum Carl B. Wolf 1932-5-9 3495 Los Angeles Along the road to Renton Mine, about due west of Pebbly Beach, Santa Catalina Island. 305 Comment
  RSA459313  Pholistoma racemosum M. B. Dunkle 1929-4-6 2081 Los Angeles Equestrian Trail; Santa Catalina Island. Comment
  SEINET4080672  Pholistoma racemosum R. Moran 1941-1 574 Los Angeles Middle Ranch, San Clemente Island. 500 Comment
  UC557752  Pholistoma racemosum Nell Murbarger March, 1936 76 b Los Angeles e. side to mesa summit San Clemente Isl. Comment
  RSA341426  Pholistoma racemosum F. C. Boutin 1967-4-23 1674 Los Angeles San Clemente Island: E side of island, Lemon Tank, a dump site. 305 Comment
  CAS-BOT-BC140660  Phoradendron macrophyllum Timothy S. Ross; Steve Boyd 1990-5-15 2514 Los Angeles Soledad Campground, Tujunga Ranger District, Angeles National Forest; Soledad Canyon, ca 1.5 linear miles E of Agua Dulce Canyon 621 Comment
  SEINET6630830  Phoradendron tomentosum subsp. macrophyllum I. W. Clokey 1929-4-17 4449 Los Angeles Manderville Canyon 400 Comment
  RSA594794  Phoradendron villosum Steve D. Boyd, Lauren Raz 1996-10-29 9101 Los Angeles Liebre Mountains region, Atmore Meadows area at the southeastern end of Liebre Mountain in a tributary drainage to the North Fork Fish Canyon. 1317 Comment
  UCR150956  Phoradendron villosum Sandra L. Leatherman, Brian Daniels 1998-11-10 61 Los Angeles Transverse Ranges; Liebre Mtns, Bouquet Canyon: Directly west of the intersection of Bouquet Canyon Road and Vasquez Canyon Road 488 Comment
  UC723838  Phyllospadix torreyi C. Epling July, 1933 Los Angeles Palos Verdes Comment
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Nov 21 2013
  RSA232815  Phyllospadix torreyi Robert F. Thorne 1966-4-16 36047 Los Angeles San Clemente Island, 1/2 mile SSE of Eel Point, SW side of island 0 Comment
  LA200484  Pickeringia montana subsp. montana Carl Epling; 1931-4-25 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA659684  Picris echioides Chris White 1991-5-20 23 Los Angeles Point Fermin. Comment
  POM6220  Picris echioides I. M. Johnston 1917-4-11 s.n. Los Angeles N* Slough. [locality name change to Laguna Dominguez] Comment
  UCR206170  Pinus halepensis A. C. Sanders, T. B. Salvato 2009-5-21 36894 Los Angeles San Gabriel Valley, Whittier Narrows near South El Monte, north of San Gabriel River channel and SE of Durfee Ave., west half of Whittier Narrows Nature Center along SCE powerlines 70 Comment
  UCR259070  Pinus jeffreyi R. G. Swinney 2010-10-8 14003 Los Angeles San Gabriel Mountains, Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge 2453 Comment
  RSA0081703  Pinus monophylla R. G. Swinney 2010-5-19 12804 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  UCR223339  Pinus monophylla R. G. Swinney 2009-5-20 10854 Los Angeles Transverse Range; San Gabriel Mtns., Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  RSA577896  Piperia cooperi Louis C. Wheeler 1933-5-5 1694 Los Angeles San Gabriel Mountains, Fish Canyon. 290 Comment
  RSA382796  Piperia elongata George Henry Grinnell 1931-7-1 s.n. Los Angeles Seminole Mountain, near LA. Comment
  RSA550404  Piptatherum miliaceum Timothy S. Ross 1990-6-20 3595 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near the confluence of E and W forks of the San Gabriel River. Stream bottom to slopes. 445 Comment
  RSA741559  Pistacia vera Justin M. Wood 2008-11-21 253 Los Angeles Beartrap Canyon @ confluence w/ Aliso Canyon. 1021 Comment
  LA81972  Plagiobothrys acanthocarpus O. H. Kappler; 1944-4-2 570 Los Angeles SANTA MONICA MOUNTAINS, upper Zuma Canyon, near summit of Mulholland Hwy. 609 Comment
  SBBG33981  Plagiobothrys canescens L. S. Rose 1968-4-5 68021 Los Angeles Newhall Ranch 365 Comment
  UCR192582  Plagiobothrys 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 1006 Comment
  SEINET3152909  Plagiobothrys nothofulvus G. B. Grant 1904-5-5 995 Los Angeles Altadena Comment
  POM3871  Plagiobothrys parishii Marjorie Shaw, Spaulding, Walton 1917-4-6 993 Los Angeles Lovejoy Springs, 16 miles north of east Palmdale Comment
  UCR184114  Plagiobothrys tenellus A. C. Sanders, T. B. Salvato 2007-4-24 33478 Los Angeles Tehachapi Mountains, hills above head of Oso Canyon near Kern Co. line, along dirt gasline road (track), c. 1.25 mi. SW of National Cement Plant 1220 Comment
  POM219975  Plantago erecta F. R. Fosberg 1932-5-7 8166 Los Angeles Summit of Coach Road, Santa Catalina Island. 250 Comment
  UC888390  Plantago erecta F. R. Fosberg 1931-3-26 S 4383 Los Angeles w Hamilton Canyon Santa Catalina Island 80 Comment
  UCR136845  Plantago indica John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  RSA0021520  Plantago major Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5150 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA412575  Plantago major R. Bardell 1930-01 s.n. Los Angeles Mesophytic woodlands, Verdugo Canon Comment
  CDA20321  Plantago major M. O'Brien 2004-10-12 s.n. Los Angeles Solstice Canyon. 0 Comment
  RSA4835  Plantago major James Snow 1932-1 s.n. Los Angeles Bryant Ranch, Long Beach, Station 3, Plant 1 Comment
  RSA402018B  Plantago ovata var. insularis F. R. Fosberg 1931-5-5 S- 4777 Los Angeles Top of Salta Verde, Santa Catalina Island. 350 Comment
  UCR202727  Platanthera dilatata var. leucostachys R. G. Swinney, Cody Clarke 2001-8-22 8077 Los Angeles San Gabriel Mtns., 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2305 Comment
  RSA733575  Platanthera sparsiflora Richard G. Swinney 1998-7-29 6547 Los Angeles San Gabriel Mtns.: c. 100 m downstream from upper Fish Fork Campground 1817 Comment
  CAS-BOT-BC93193  Platanus racemosa Timothy S. Ross; Darin Banks 1994-4-13 7523 Los Angeles Liebre Mountains. San Francisquito Canyon. Ca. 430 m SW of San Francisquito Powerhouse No. 2. 487 Comment
  HSC95402  Platanus racemosa A. C. Sanders, Mark A. Elvin 2002-6-18 25140 Los Angeles Newhall Ranch, 'Sawtooth Ridge' area ca. 1.5 mi. SE of Del Valle, N of Potrero Canyon, vicinity of bench mark 1533 366 Comment
  RSA607908  Platanus racemosa Louis C. Wheeler 1961-6-13 7881 Los Angeles Pacoima Canyon near Dutch Louie Camp. 716 Comment
  UCR108661  Platanus racemosa L. C. Wheeler 1961-6-13 7881 Los Angeles San Gabriel Mtns., Pacoima Canyon near Dutch Louie Camp 716 Comment
  UCR256866  Platanus racemosa R. G. Swinney 2010-8-16 13549 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  JEPS126446  Platystemon californicus CNPS Field Staff 2015-4-16 SSNF 1815 Los Angeles Private Ranch. Comment
  UC72709  Platystemon californicus Pupils of Los Angeles High School 1902-3 Los Angeles Garvanza Comment
  UCR264688  Platystemon californicus Mitch Provance, Callen Huff 2009-4-28 10743 Los Angeles Tehachapi Mountians, Tejon Ranch, 1.2 mi. N of Gorman, Bear Canyon, along Crane Canyon Rd., about 1 mi. S of Castac Lake 1220 Comment
  SBBG127985  Pluchea odorata M. L. Hoefs, S. A. Junak 1996-7-9 2724 Los Angeles just below Middle Ranch Reservoir overflow 170 Comment
  UC1070069  Pluchea sericea A. D. Gifford 1934-2-20 299 Los Angeles Santa Clara River Santa Susana Quad. 243 Comment
  RSA662140  Poa annua Carol Zuck 1981-2-3 6 Los Angeles 1443 A Springfield St. Upland. Comment
  CAS-BOT-BC247257  Poa palustris John Thomas Howell 1947-7-18 23423 Los Angeles Big Pines, San Gabriel Mts. 2103 Comment
  UCSB453  Poa pratensis Albright, S. 1957-5-27 Los Angeles UCLA campus near medical center 76 Comment
  RSA0092329  Poa secunda R. G. Swinney 2011-4-20 14448 Los Angeles San Gabriel Mountains: Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 miles upstream in Hunt Cyn. 1220 Comment
  RSA600396  Poa secunda V. W. Steinmann 1996-4-7 824 Los Angeles San Gabriel Mountains, ca. 1 kilometer from trailhead at Cow Canyon Saddle along Coldwater Canyon Truck Trail. 1350 Comment
  RSA91515  Poa secunda F. W. Peirson 1918-04 1550 Los Angeles Arroyo Seco above Devil's Gate, West of Pasadena Comment
  SBBG128378  Poa secunda subsp. secunda M. L. Hoefs 1991-4-7 1044 Los Angeles upper Avalon Cyn, above Wrigley Memorial and Garden, near rd to Divide 326 Comment
  CHSC46009  Polycarpon tetraphyllum June McCaskill 1965-6-6 700 Los Angeles Along nursery path, McCaskill Gardens, 25 South Michillinda Avenue, Pasadena. Comment
  HSC87802  Polycarpon tetraphyllum June McCaskill 1965-6-6 700 Los Angeles Pasadena, McCaskill Gardens, 25 South Michillinda Avenue. Comment
  UCD98417  Polycarpon tetraphyllum Daryl Koutnik 1978-4-21 408 Los Angeles Glendale at the east end of Glenoaks Avenue, near Scholl Canyon Park. 304 Comment
  UC109720  Polygala cornuta var. fishiae A. J. McClatchie June 1893 Los Angeles Old Wilson trail Comment
  RSA670030  Polygonum Joseph M. Keefe 2001-3-13 31083 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
  HSC93784  Polygonum argyrocoleon L. C. Wheeler 1962-5-20 8086 Los Angeles Wilmington: Catalina Island Terminal, Avalon Blvd. and Canal St. Comment
  UCR95516  Polygonum aviculare L. C. Wheeler 1966-9-21 8883 Los Angeles San Gabriel Mtns., San Gabriel Canyon, El Encanto 259 Comment
  RSA609071  Polygonum aviculare subsp. aviculare Louis C. Wheeler 1931-3-7 s.n. Los Angeles 2 miles NE. La Verne. 381 Comment
  RSA65870  Polygonum hydropiperoides var. asperifolium F. W. Peirson 1923-1-21 1792 Los Angeles Pond north of East Lake Park, Los Angeles. Comment
  RSA466372  Polygonum punctatum H. de Forest 1932-8-10 s.n. Los Angeles Verdugo Woodlands, Glendale Comment
  PASA1869  Polypodium californicum Sally Ellis 1940-4-16 Los Angeles Claremont, Evies Canyon Comment
  RSA689883  Polypodium californicum Martha Hilend 1928-2-9 40 Los Angeles Big Santa Anita Canyon. Comment
  RSA781203  Polypodium californicum Dan S. Cooper 2010-5-10 510 48 B Los Angeles upper Oak Canyon, Griffith Park 221 Comment
  UCSB62381  Polypodium californicum Kendall, M. 1921-3-21 Los Angeles Lone Hill, San Dimas Comment
  RSA533495  Polypodium californicum T. S. Ross 1991-3-9 4191 Los Angeles Whittier Hills: (Puente Hills, pro parte): head of unnamed ENE-draining canyon. 290 Comment
  SDSU3567  Polypodium californicum R. M. Beauchamp 1967-1-27 124 Los Angeles Growing in canyon behind Wilson Cove pier. Common in mosit places at the base of large rocks. Comment
  UCSB62298  Polypodium californicum Kiefer, Lawrence 1966-11-11 Los Angeles San Gabriel Mtns., E fork of the San Gabriel River, Heaton Flat 609 Comment
  UCR182386  Polypogon interruptus R. G. Swinney 1998-5-9 6048 Los Angeles San Gabriel Mountains, San Gabriel (Azusa) Canyon, 1.5 mi. north of Foothill Blvd. on east side of Encanto Rd. 201 Comment
  CAS-BOT-BC232420  Polypogon monspeliensis Joseph Andorfer Ewan 1932-6-28 7506 Los Angeles Los Angeles River at Hyperion Bridge Comment
  SBBG59510  Polypogon monspeliensis R. Hoffmann 1926-4-19 Los Angeles Antelope Valley Comment
  UC50630  Polypogon monspeliensis J. H. Barber 1897-12-5 151 Los Angeles Santa Monica Comment
  UCR178220  Polypogon monspeliensis LeRoy Gross, Naomi Fraga, B. Hogshead, Aydee Virgen 2003-6-19 1111 Los Angeles Transverse Ranges; Verdugo Mountains region, North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. Follow a ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge. Tributary is north of the 210 freeway. South of freeway tributary will drain into La Tuna Canyon. All survey was done north of the 210. 457 Comment
  UCR73124  Polypogon monspeliensis Scott D. White 1992-10-8 916 Los Angeles Western Transverse Range; Santa Monica Mtns., Malibu, just north of Pacific Coast Hwy (= Calif. Hwy 1), extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School 91 Comment
  UC2013297  Populus trichocarpa Larry Kelly with David Keil 1988-4-16 36 Los Angeles Little Rock Campground. Comment
  SEINET8725437 Image available Populus trichocarpa F. R. Fosberg 1931-1 S 4704 Los Angeles Eagle's Nest, Middle Ranch Canyon, Santa Catalina Id. Los Angeles Co. Alt. 180 m. 11 Comment
  POM366574  Potentilla gracilis var. fastigiata Bonnie C. Templeton 1932-7-20 5006 Los Angeles Big Pines Park. 2092 Comment
  RSA599499  Prunus dulcis Steve D. Boyd, Lauren Raz 1997-3-26 9324 Los Angeles Liebre Mountains region: Portal Ridge north of Lake Hughes, upper end of Myrick Canyon drainage along Lakeview Road. 1097 Comment
  OBI70994  Prunus fasciculata Larry Kelly, David J. Keil 1989-4-21 359 Los Angeles Along Big Pine Hwy Comment
  OBI71111  Prunus fasciculata Larry Kelly, David J. Keil 1988-4-16 37 Los Angeles Little Rock campground Comment
  RSA249768  Prunus fasciculata var. fasciculata Robert F. Thorne, C. W. Tilforth 1973-5-11 42984 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1 mile N of Bob's Gap, 3.2 miles S of Llano, N slope of Holcomb Ridge 1143 Comment
  CAS-BOT-BC154945  Prunus ilicifolia Peter H. Raven; R. Snow 1957-7-25 11060 B Los Angeles Near Morris Reservoir, San Gabriel Mts. Comment
  RSA454150  Prunus lyonii M. B. Dunkle 1931-3-30 2156 Los Angeles Avalon Canyon, Santa Catalina Island. Comment
  RSA0058226  Pseudognaphalium biolettii Richard G. Swinney 2010-4-23 12352 Los Angeles San Gabriel Mountains: lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA746626  Pseudognaphalium biolettii R. G. Swinney 2008-4-10 8639 Los Angeles San Dimas Experimental Forest, confluence of Lodi Canyon with San Dimas Canyon, just south of San Dimas Reservoir 402 Comment
  UC468782  Pseudognaphalium biolettii C. F. Millspaugh 1920-1-12 4584 Los Angeles Wishbone Santa Catalina Island, Wishbone Comment
  SD52938  Pseudognaphalium biolettii Peter H. Raven 1962-4-10 17251 Los Angeles San Clemente Island; 2.0 miles north of Thirst. 519 Comment
  RSA0058249  Pseudognaphalium canescens subsp. microcephalum Richard G. Swinney 2010-4-20 12277 Los Angeles San Gabriel Mountains: Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  LA88402  Pseudognaphalium microcephalum O. H. Kappler; 1943-9-5 531 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA0045431  Pseudognaphalium stramineum Wendy Boes, Andrew S. Wheeler 2009-7-13 2009 -038 Los Angeles San Gabriel Mountains; Crystal Lake Recreation Area, Big Cienega Springs Forest Service RD 3N07.2. 1981 Comment
  CAS-BOT-BC80066  Pseudotsuga macrocarpa Victor Duran 1933-7-27 s.n. Los Angeles Little Rock Creek, San Gabriel Mountains 1676 Comment
  HSC12362  Pseudotsuga macrocarpa Wendell Wood 1970-6-24 61 Los Angeles Angeles Crest Hwy. 6 mi beyond intersection with Foothill Blvd. 762 Comment
  RSA626237  Pseudotsuga macrocarpa L. C. Wheeler 1967-5-15 9578 Los Angeles San Gabriel Mountains: South side Elsmere Canyon near the mouth. 518 Comment
  UCSB180  Pseudotsuga macrocarpa Haller, Norman 1953-5-10 Los Angeles Top of Mt. Wilson growing near telescope (100 inch.); Mt. Wilson, San Gabriel Mts., Los Angeles County, California 1737 Comment
  NY63567  Pseudotsuga macrocarpa V. Duran 1933-7-27 3537 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
  LA94231  Pteridium aquilinum var. pubescens Lawrence L. Kiefer; 1966-4-10 1848 Los Angeles SANTA MONICA MOUNTAINS, Rustic Canyon, ca 0.25 mi S of Camp Josepho. 304 Comment
  UC812694  Pteridium aquilinum var. pubescens F. R. Fosberg 1931-5-7 S 4834 Los Angeles right fork Cottonwood Canyon; Santa Catalina Isl 200 Comment
  RSA0116343  Pteris multifida R. E. Riefner Jr. 2015-8-15 15 -228 Los Angeles City of Los Angeles, Pacific Palisades, N side of Pacific Coast Highway at Porto Marina Way near the PCH pedestrian bridge crossing. 11 Comment
  RSA597988  Pterostegia drymarioides L. Raz, Orlando Mistretta, Mike Hammitt 1997-3-16 67 Los Angeles Santa Catalina Island. Avalon Canyon via 'Divide Trail', northeast of the Wrigley Botanical Garden. 183 Comment
  SEINET3246024  Pterostegia drymarioides T. B. Salvato, Sanda Murcia 2007-1 2005 Los Angeles San Gabriel Mountains: Santa Anita Reservoir, proposed 4-acre sediment placement site, east side of the channel and 0.4 mi S of the Elkins avenueentrance gate. 195 Comment
  SJSU13115  Pterostegia drymarioides C. W. Sharsmith 1941-6-22 4406 Los Angeles Eaton Canyon, San Gabriel Mts 548 Comment
  UCR219478  Pterostegia drymarioides R. G. Swinney 2009-3-19 10146 Los Angeles San Gabriel Mtns. Foothills, Azusa, 0.7 mi. north of Sierra Madre Ave. on north side of San Gabriel River channel, c. 100 m north of Hwy 39 230 Comment
  OBI10034  Purshia tridentata var. glandulosa Donald Alpert 1962-4-14 s.n. Los Angeles LIttle Rock Dam 1128 Comment
  OBI50372  Purshia tridentata var. glandulosa R. A. Oyler 1975-5-2 603 Los Angeles One mi N of Holcomb ridge, 2 mi W of Largo Vista, 1 mi S of fort Tejon rd, Pearblossom 1230 Comment
  UC457229  Purshia tridentata var. glandulosa Carl Epling, Nesta Dunn, Alice Goen 1931-5-16 Los Angeles Swartout Valley San Gabriel Mts. Comment
  SBBG126633  Quercus X acutidens A. Parikh, N. Gale 2011-5-13 3385 Los Angeles Tonner Cyn, just N of rd, 0.5 km W of LA County line; Chino Hills 260 Comment
  UC1135478  Quercus X alvordiana R. St. John 1930-6-17 162 Los Angeles 1.5 mi nw Red Rock Mt.; Santa Barbara National Forest, Tejon Quad. 822 Comment
  UCD45196  Quercus X alvordiana Herbert L. Mason 1927-5-29 3737 a Los Angeles Tejon Pass, Sierra Liebre Mts. Comment
  CAS-BOT-BC45630  Quercus agrifolia Timothy S. Ross; Steve Boyd 1994-9-20 8265 Los Angeles Lower Spunky Canyon: this stretch draining SSE, exiting into Bouquet Reservoir. Green Valley 7.5' USGS Quadrangle 934 Comment
  CHSC95750  Quercus agrifolia Joseph Marlowe Keefe 2001-1-19 30945 Los Angeles San Rafael Mountains. Southeast face of The Eagle Rock, Eagle Rock District, Los Angeles, California, 90041. 304 Comment
  LA32180  Quercus agrifolia Bruce Douglas Clayton; Bruce Douglas Clayton 1959-3-27 1893 Los Angeles 731 Comment
  LA43661  Quercus agrifolia A. M. Johnson; 1927-10-21 2672 Los Angeles Antelope Valley, canyon sides, E of Palmdale Comment
  RSA476845  Quercus agrifolia var. agrifolia Ora M. Clark 1928-12-8 1362 Los Angeles Coastal Vallies, E. Pasadena Comment
  RSA128278  Quercus berberidifolia H. J. Thompson 1959-3-27 1889 Los Angeles Santa Monica Mountains: Saddle Peak, 1.5 miles east of peak. 732 Comment
  SD38236  Quercus berberidifolia Edith A. Purer 1935-5-11 6578 Los Angeles Malibou Lodge Road, Santa Monica Mountains. Comment
  UCD56584  Quercus berberidifolia J. W. Toumey 1894-9-14 s.n. Los Angeles Catalina Island. Comment
  LA46471  Quercus chrysolepis A. H. Lange; 1951-5-5 sn Los Angeles San Gabriel Mountains, Santa Anita Canyon Comment
  SBBG17868  Quercus chrysolepis P. H. Raven 1962-5-10 17726 Los Angeles head of Horse Cyn, large cyn W of Thirst 487 Comment
  SEINET3127565  Quercus chrysolepis G. B. Grant 1904-6-14 1085 Los Angeles Mt. Wilson 1524 Comment
  SEINET12034339  Quercus dumosa C. G. Pringle 1882-1 s.n. Los Angeles Comment
  RSA584052  Quercus durata var. gabrielensis Tim S. Ross 1991-4-25 4571 Los Angeles San Gabriel Mtns: Doe Flat and immediate vicinity, situated between Graveyard Canyon and the E Fk of Susanna Canyon, draining to the lower E Fk of the San Gabriel River. 841 Comment
  RSA655357  Quercus durata var. gabrielensis LeRoy Gross 2000-11-4 321 Los Angeles Verdugo Mountains: Trail at end of Morning Glow, past Sunglow Way,east off La Tuna Canyon Road, Sun Valley. 396 Comment
  SD253461  Quercus durata var. gabrielensis R. G. Swinney 2011-10-27 15908 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream (Azusa 7.5'Q) 648 Comment
  UCD45998  Quercus durata var. gabrielensis Gary D. Cromwell; David W. Wheat 1971-4-21 564 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mountains. 2 mi. NE of Glendora, Calif. Comment
  CHSC26000  Quercus engelmannii L. Enari 1969-7-24 Los Angeles Arcadia, Talac Knoll, Los Angeles State and County Arboretum. Comment
  SBBG44652  Quercus engelmannii W. B. Holt 1941-10-31 24 -1941 Los Angeles Monrovia Comment
  UC130547  Quercus engelmannii Geo. B. Grant 1904-6-14 1091 Los Angeles Monrovia Comment
  CAS-BOT-BC94756  Quercus john-tuckeri David B. Scott 1936-10-18 s.n. Los Angeles Big Pines Grade 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
  SBBG116374  Quercus lobata R. Burgess, P. Munro 2002-5-6 5137 Los Angeles Hungry Valley Rd, 0.2 mi W of Smokey Bear Rd 853 Comment
  CATA400  Quercus tomentella Mark L. Hoefs, A. Douglas Propst 1974-5-10 470 Los Angeles Santa Catalina Island: Upper Fern Canyon 335 Comment
  LA92003  Quercus tomentella Peter H. Raven; 1962-5-21 17808 Los Angeles Santa Catalina Island, lower end of Pebbly Beach Canyon 91 Comment
  RSA1252  Quercus tomentella Carl B. Wolf 1930-1-29 1455 Los Angeles Santa Catalina Island, Pebble [Pebbly] Beach Canyon Comment
  RSA158257  Quercus tomentella Peter H. Raven 1962-7-11 18000 Los Angeles San Clemente Island, Wilson Cove. 61 Comment
  SD53056  Quercus tomentella Peter H. Raven 1962-5-21 17808 Los Angeles Santa Catalina Island, lower end of Pebbly Beach Canyon, in tangle of brush 91 Comment
  SD75586  Quercus tomentella M. B. Dunkle 1939-11-25 7357 Los Angeles San Clemente Island, NE slope Comment
  HSC35974  Quercus turbinella Thomas W. Nelson, James Nelson 1975-8-19 2172 Los Angeles Beside Hwy. 5, W of junction with Hwy. 138 915 Comment
  OBI36780  Quercus wislizeni David J. Keil 1980-3-27 13734 Los Angeles 1 mi E of Ridge rte on Pine Canyon rd (L.A. county rd N-2) 1189 Comment
  RSA517150  Quercus wislizeni var. frutescens Tim S. Ross 1990-5-14 2478 Los Angeles San Gabriel Mtns: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1107 Comment
  SFV6247  Quercus wislizeni var. frutescens M. H. Grayum, D. Gillen 1974-5-31 s. n. Los Angeles Santa Susana Mountains North side of Oat Mountain, along main ridge road. 1021 Comment
  UCR126866  Rafinesquia californica A. C. Sanders, Tricia Wotipka, Mark A. Elvin, and others 2003-4-29 26154 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east Lake Hughes Road 488 Comment
  UCR20420  Rafinesquia californica L. E. Hoffman 1931-5-18 s.n. Los Angeles Transverse Range; San Gabriel Mtns., Big Santa Anita Canyon Comment
  RSA536081  Rafinesquia californica Timothy S. Ross 1991-5-21 5426 Los Angeles San Clemente Island: Upper reaches of Box Canyon, SW side of the Island. 404 Comment
  CAS-BOT-BC379002  Ranunculus aquatilis var. diffusus Willis L. Jepson 1896-3-11 s.n. Los Angeles Claremont Comment
  RSA0018979  Ranunculus californicus var. californicus Lyman Benson 1957-4-17 15719 Los Angeles Kellogg Campus, California Polytechnic Institute. San Jose Hills. Pacific Slope drainage area. 305 Comment
  RSA682410  Ranunculus hebecarpus Valerie L. Soza, Michael Denslow 2003-4-30 1648 Los Angeles San Fransisquiteo Canyon. Slopes southwest of the Fire station 488 Comment
  SBBG17789  Raphanus raphanistrum P. H. Raven 1962-4-11 17300 Los Angeles behind Northwest Harbor 6 Comment
  UCR274077  Raphanus sativus Steven A. Junak 2000-5-18 SCa- 1301 Los Angeles Channel Islands, Santa Catalina Island, north side of North Shore Road, 0.6 mile easy of turn-off for Howland's Landing Comment
  RSA390182  Rhamnus californica subsp. californica G. R. Johnstone 1930-9-14 s.n. Los Angeles Edison Rd. above Dark Canyon Calif. San Gabriel Mts. 762 Comment
  SBBG129219  Rhamnus crocea J. G. Jack 1907-7-12 Los Angeles Millard's Canon, Pasadena Comment
  RSA0039610  Rhamnus crocea L. E. Hoffman 1931-10-12 s.n. Los Angeles Pacoima - near town. Comment
  POM68650  Rhamnus ilicifolia Marcus E. Jones 1924-5-16 s.n. Los Angeles Stoddard Canyon Comment
  RSA391044  Rhamnus ilicifolia John P. Hill 1932-7-19 s.n. Los Angeles Verdugo Woodlands Comment
  RSA669692  Rhamnus ilicifolia LeRoy Gross 2002-4-28 535 Los Angeles North side.Off La Tuna Canyon Road (Santa Monica Mountains Conservancy Land). 549 Comment
  UCR271586  Rhamnus ilicifolia R. G. Swinney 2011-11-3 15997 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre 549 Comment
  JEPS42042  Rhamnus pirifolia Dr. John W. Harshberger 1925-7-31 Los Angeles Catalina Island Comment
  RSA604523  Rhamnus pirifolia Sara L. Crockett, Hoefs, Junak 1997-3-27 598 Los Angeles Santa Catalina Island, 0.2 miles N on Lower Cape Canyon Reservoir Road from jct. with Cape Canyon Road; 3 m E of road 287 Comment
  SBBG30983  Rhamnus pirifolia R. N. Philbrick 1964-6-12 B 64 -1 Los Angeles Black Pt, Lorenzo Beach area Comment
  SBBG31298  Rhamnus pirifolia R. F. Thorne with P. C. Everett 1965-5-10 34474 Los Angeles near Echo Lake 426 Comment
  RSA390145  Rhamnus tomentella subsp. cuspidata L. E. Hoffman 1931-11-28 s.n. Los Angeles Holcomb Creek, Angeles National Forest. Comment
  CAS-BOT-BC167920  Rhus integrifolia Robert F. Thorne; Reed Rollins; Doug Propst; R. Carolin 1967-3-18 36738 Los Angeles Santa Catalina Island: Wild Boar Gully, ca. 1 mi WNW of Salta Verde Pt., on Salta Verde 198 Comment
  CAS-BOT-BC170455  Rhus integrifolia Louis C. Wheeler 1933-6-17 1862 Los Angeles Claremont 365 Comment
  SBBG98599  Rhus integrifolia T. Ross 1999-3-9 4183 Los Angeles Whittier Hills (Puente Hills); SE side of ridgetop knoll, head of Oak Cyn 368 Comment
  UC1215236  Rhus integrifolia Peter H. Raven 1962-5-8 17611 Los Angeles second canyon s of Seal Cove; San Clemente Island 30 Comment
  UCR38916  Rhus laurina B. A. Prigge 1985-6-14 6418 Los Angeles Western Transverse Range; Santa Monica Mtns., Cold Creek Canyon; along trail below Murphy Ranch Site 598 Comment
  CAS-BOT-BC175224  Rhus ovata Wayne Law; Jun Hu 2000-4-30 07 Los Angeles Transverse Ranges; San Gabriel Mtns.: Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground 823 Comment
  POM137315  Rhus ovata C. F. Baker 1903-4-2 4147 Los Angeles Hills near Monrovia Comment
  UCD116935  Rhus ovata Marc Meyer 1993-2-27 3 Los Angeles Santa Susana Mts., 2 mi. N of Mason Ave. and 118 Fwy. 400 Comment
  UCR273129  Rhus ovata R. G. Swinney 2011-4-26 14523 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  POM50745  Rhus trilobata var. quinata A. D. E. Elmer 1902-06 3680 Los Angeles Acton, Mt. Gleason Comment
  RSA550390  Rhus trilobata var. quinata T. S. Ross 1992-7-10 6638 Los Angeles Big Tujunga Canyon, 310 m E of where Coldwater Canyon meets Big Tujunga Creek; E side of road to Colby Ranch. 963 Comment
  RSA639739  Ribes aureum var. gracillimum Louis C. Wheeler 1969-4-5 s.n. Los Angeles San Gabriel Mountains: Marek Canyon across the road from Karl Holton Camp. 427 Comment
  RSA9767  Ribes aureum var. gracillimum Louis C. Wheeler 1932-2-12 445 Los Angeles San Gabriel Wash 107 Comment
  RSA293804  Ribes californicum var. hesperium Lyman Benson 1946-1-13 12274 Los Angeles Little Dalton Canyon. 427 Comment
  CAS-BOT-BC173105  Ribes indecorum L. R. Abrams 1916-1-3 5572 Los Angeles Between Duarte and Azusa Comment
  LA33978  Ribes indecorum Peter H. Raven; Henry J. Thompson 1959-2-25 13811 Los Angeles 670 Comment
  CAS-BOT-BC173434  Ribes malvaceum S. Y. Parnay Mar. s.n. Los Angeles Mt. Wilson 1219 Comment
  RSA764951  Ribes malvaceum Doris Bowers 1957-11 334 .1 Los Angeles Upper Millard's Canyon, trail to Echo Mt. 610 Comment
  SFV1634  Ribes malvaceum K. A. Wilson 1961-3-10 963 Los Angeles Santa Monica Mountains Old Topanga Canyon Road, about 0.25 miles west of Topanga Canyon Blvd. 245 Comment
  UCR150240  Ribes malvaceum Kerry Knudsen, Rolf Muertter, Teresa Proscewicz 2005-2-10 2371 Los Angeles Transverse Range, Los Angeles, Santa Monica Mountains, Griffith Park, north side of Mt. Hollywood 425 Comment
  RSA0021648  Ribes malvaceum Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4307 Los Angeles San Clemente Island: east side of the island, near Malo Point, 1st canyon south of Bryce Canyon. Comment
  RSA651626  Ribes malvaceum var. viridifolium R. Carlston 1961-5-11 s.n. Los Angeles Sierra Madre Canyon. Comment
  UCR270520  Ribes malvaceum var. viridifolium R. G. Swinney 2011-3-22 14191 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  CAS-BOT-BC219177  Ribes nevadense George B. Grant; Walter Wheeler 1904-5-17 1125 Los Angeles Mount Wilson 1828 Comment
  CAS-BOT-BC219186  Ribes nevadense Chester Dudley 1931-7-1 s.n. Los Angeles San Gabriel Valley Comment
  SBBG125928  Ribes quercetorum A. Parikh, N. Gale 2010-5-24 3210 Los Angeles Sierra Pelona, 5.0 km W of State Hwy 14, 1.6 km SW of California Aqueduct 1005 Comment
  UC1127558  Ribes speciosum F. H. Raymond 1930-1-13 25 Los Angeles head Corral Canyon; Calabasas Quadrangle Comment
  UCR70832  Ribes speciosum L. C. Wheeler 1932-1-10 436 Los Angeles San Gabriel Valley; San Jose Hills, Puddingstone Dam 305 Comment
  CAS-BOT-BC173853  Ribes velutinum Charles J. Lovell 1942-5-28 s.n. Los Angeles Big Rock Creek, San Gabriel Mts. 1524 Comment
  UCD65153  Ribes viburnifolium G. L. Webster; M. Hoeff, R. Thorne, J. M. Tucker 1992-3-30 7756 Los Angeles CATALINA ISLAND: Salta Verde, slopes W of Cactus Peak. 300 Comment
  UCR199980  Ricinus communis Valerie Soza, L. Lubinsky 2001-5-16 1230 Los Angeles Transverse Ranges; Verdugo Mountains, Northern San Rafael Hills, Edison Fire Road to Forest Hill Drive 427 Comment
  UC1922892  Robinia pseudoacacia Valerie Soza, Leland Lubinsky 2001-5-16 1232 Los Angeles Transverse Ranges; Verdugo Mountains region; Drainage off Whiting Woods Mtwy, ridge north of Henderson Canyon. 549 Comment
  RSA598682  Rorippa curvisiliqua L. C. Wheeler 1949-6-22 6707 Los Angeles Altadena, Devil's Gate Dam 321 Comment
  RSA746843  Rorippa curvisiliqua R. G. Swinney 2008-4-30 8696 Los Angeles Glendora, Big Dalton Canyon Debris Basin 341 Comment
  UCR129415  Rorippa nasturtium-aquaticum A. C. Sanders, Mark Elvin 2002-6-20 25225 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  UCR174568  Rorippa nasturtium-aquaticum Jennifer H. Jones 2006-5-17 308 Los Angeles Transverse Ranges; Foothills of San Gabriel Mtns., Just in front of Claremont Wilderness Park. N end of Mills Avenue 497 Comment
  CAS-BOT-BC147477  Rosa californica Alice Eastwood 1917-7-20 6461 Los Angeles Santa Catalina Island Comment
  RSA449703  Rosa californica C. Epling, N. Dunn 1931-5-30 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains. Comment
  UCR124390  Rosa californica I. W. Clokey, B. C. Templeton 1929-1 4559 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  RSA733183  Rubus leucodermis R. G. Swinney 1998-8-17 6763 Los Angeles Upper Coldwater Canyon at NE end of Heaton Flat Trail 1244 Comment
  JEPS44765  Rubus ursinus Frank W. Peirson 1919-4-19 380 Los Angeles Pacoima Canyon San Gabriel Mts., Pacoima Canyon 609 Comment
  UCR125185  Rubus ursinus A. C. Sanders, Mark Elvin 2002-6-25 25264 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  UCSB2933  Rubus ursinus Haller, Norman 1953-5-17 Los Angeles Greanlead Canyon Rd., 1/2 mile North of Topanga Shopping Center, Santa Monica Mts. Los Angeles Co, Caiif 304 Comment
  SBBG121655  Rumex conglomeratus S. D. White, A. Warniment 2006-7-7 11610 Los Angeles Gorman Crk, NE of Interstate 5, Gorman area 1037 Comment
  UCR124473  Rumex crispus B. C. Templeton 1932-7-20 5013 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  UCR217412  Rumex crispus R. G. Swinney 2009-3-10 10067 Los Angeles San Gabriel Mtns. Foothills, Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  UCR59551  Rumex crispus S. J. Myers 1989-4-28 s.n. Los Angeles Palmdale area, Elizabeth Lake Road at California Aqueduct 884 Comment
  RSA198816  Rumex salicifolius Robert F. Thorne, D. Propst 1968-5-27 37634 Los Angeles Middle Ranch Canyon, Santa Catalina Island. Comment
  RSA608039  Rupertia physodes L. C. Wheeler 1947-7-4 6540 Los Angeles San Gabriel Mountains: El Prieto Canyon, off Millard Canyon 670 Comment
  LA82171  Rupertia physodes O. H. Kappler; 1944-5-21 623 Los Angeles Santa Monica Mountains, Cold Creek, near Monte Nido 182 Comment
  RSA478892  Salicornia virginica R. F. Folger 1929-11 s.n. Los Angeles Playa del Rey. Comment
  RSA0115850  Salix Steven A. Junak 1999-5-20 SCa- 927 Los Angeles Santa Catalina Island. Cottonwood Canyon, at reservoir. 134 Comment
  UCR234151  Salix exigua Dick Newell 2012-3-29 237 Los Angeles South Coastal Plain, East Long Beach wetlands, 100 yards west of Studebaker Rd. at Pacific Coast Highway 3 Comment
  CAS-BOT-BC106945  Salix laevigata Timothy S. Ross; Darin Banks 1994-4-13 7520 Los Angeles San Francisquito Canyon: riparian strip and adjacent lower slopes ca 430 m SW of San Francisquito Powerhouse No. 2 487 Comment
  LA208747  Salix laevigata Carl Hedin; Joseph Ewan 1932-5-10 7647 Los Angeles Verdugo Canyon, Area 3 Comment
  RSA652676  Salix laevigata H. J. Thompson 1959-5-22 1873 Los Angeles Santa Monica Mountains. (Lat. N 34 deg.; Long. 118 deg. -119 deg. W) along Triunfo creek, near mouth of La Sierra Canyon, about 1.5 miles west of Malibu lake. 183 Comment
  SEINET3158573  Salix laevigata G. B. Grant 1155 Los Angeles Pasadena, S California Comment
  UCR11997  Salix laevigata H. J. Thompson 1960-3-13 3017 Los Angeles Western Transverse Range; Santa Monica Mtns., 0.5 mi east of Saddle Peak 701 Comment
  SD1036  Salix lasiandra var. lasiandra Carl W. Sharsmith 1932-1-17 8 Los Angeles at bottom of Lower San Gabriel Canyon, about 9.5 km above Azusa 299 Comment
  POM362729  Salix lasiolepis Richard C. Barkelew 1929-2-23 s.n. Los Angeles Nichols Canyon. Comment
  POM50097  Salix lasiolepis L. W. Nuttall 1921-1-16 1031 Los Angeles Hamilton Canyon, Santa Catalina Island. Comment
  RSA729946  Salix lasiolepis R. G. Swinney 1999-6-28 7431 Los Angeles East Fork of Puzzle Canyon Canyon. near old homesite at 2800 Deep Creek County Rd. 1402 Comment
  SEINET2065105 Image available Salix lasiolepis C. F. Shutts 1949-3-13 20 Los Angeles Lower San Antonia Canyon. 762 Comment
  UC506420  Salix lasiolepis Carl Hedin and Joseph Ewan 1933-3-11 7667 Los Angeles Ballona Creek at Ballona Marshes (back of dike); Ballona Creek at Ballona Marshes Comment
  CAS-BOT-BC107537  Salix lasiolepis var. lasiolepis Carl W. Sharsmith 1932-2-14 9 Los Angeles at bottom of Lower San Gabriel Canyon about 9.5 km. above Azusa 300 Comment
  UCR125899  Salix lucida subsp. lasiandra A. C. Sanders, Mark Elvin, et al 2002-6-26 25297 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River about 0.25 mile downstream from large natural spring at north foot of 'Airport Mesa' and c. 0.75 mile above Castaic Creek confluence, c. 1 mi. SW of Castaic Junction 305 Comment
  UC1922588  Salsola australis Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1358 Los Angeles Transverse Ranges; Verdugo Mountains region; Whiting Woods Mtwy junction with Verdugo Mountain Mtwy, near radio facilities. 854 Comment
  UCR218017  Salsola australis A. C. Sanders, Dan S. Cooper 2010-8-5 38572 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  RSA444921  Salsola tragus E. S. Spalding 1931-7-31 s.n. Los Angeles Manhattan Beach. Comment
  RSA0082595  Salvia apiana R. G. Swinney 2010-6-4 12989 Los Angeles Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon. 476 Comment
  RSA155805  Salvia apiana M. B. Dunkle 1928-4-21 1875 Los Angeles Santa Catalina Island: Renton Mine Hill. 366 Comment
  RSA649072  Salvia apiana Brian McColgan 1988-5-10 11 Los Angeles Evey Cyn., 1 mile N of Padua on Mt. Baldy Rd 915 Comment
  UCR259283  Salvia apiana R. G. Swinney 2010-6-4 12990 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  RSA401627A  Salvia apiana William Emboden 1969-5-28 29 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  POM4134  Salvia carduacea Alice Davis 1908-5-1 s.n. Los Angeles Claremont. 400 Comment
  RSA411356  Salvia carduacea L. E. Hoffman 1929-3-18 s.n. Los Angeles Soledad Canyon. Comment
  RSA651664  Salvia carduacea Arthur L. Smith 1955-5-15 s.n. Los Angeles Llano Antalope Valley [Antelope Valley?] 1037 Comment
  RSA0110784  Salvia columbariae Richard G. Swinney 2010-5-21 12901 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
  RSA11057  Salvia columbariae Carl B. Wolf 1928-3-29 1573 Los Angeles Junction of Pine Canyon road and road to Sandbergs. 3 mi. S.W. of Neenach. 1067 Comment
  RSA728778  Salvia columbariae Gary D. Wallace 1979-4-19 1692 Los Angeles Mojave Desert, w. of Fairmont along Lancaster Rd. Comment
  UC25703  Salvia columbariae J. H. Barber 1897-3-21 95 Los Angeles Santa Monica Experimental Station Comment
  RSA614988  Salvia dorrii var. pilosa Louis C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 Comment
  CAS-BOT-BC233294  Salvia mellifera Alice Eastwood 1917-7-20 6457 Los Angeles Santa Catalina Island Comment
  RSA434156  Salvia mellifera R. J. Tinkler 1969-7-12 s.n. Los Angeles Mullholland Drive, west of San Diego Freeway. Comment
  RSA654644  Salvia mellifera Fred Brooks 1988-5-7 32 Los Angeles San Antonio Canyon, 1.5 mi. above second tunnel at Mountain Rd. turnoff. Comment
  SBBG31381  Salvia mellifera R. F. Thorne with P. C. Everett 1965-5-10 34444 Los Angeles Black Jack Mtn, few hundred feet below summit 487 Comment
  RSA544556  Sambucus mexicana T. S. Ross, Elizabeth Kellogg 1992-4-11 6109 Los Angeles San Clemente Island: West fork of China Canyon. E or NE-facing base of canyon wall. 305 Comment
  RSA682452  Sambucus mexicana LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1036 Los Angeles South side of mountains:West side of Brand Canyon just a short distance above the cemetery. 307 Comment
  UC535616  Sambucus mexicana Ira W. Clokey, B. Templeton May 1929 4558 Los Angeles Mandeville Canyon Santa Monica Mountains 200 Comment
  UCR219903  Sambucus mexicana R. G. Swinney 2009-4-17 10394 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa, San Gabriel Canyon wash, 0.1-0.5 mi. west of San Gabriel River Bike path parking lot, at Azusa Canyon Rd (Hwy 39), c. 0.6 mi. north of Sierra Madre Ave. 221 Comment
  IRVC28706  Sambucus mexicana A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25497 Los Angeles canyon draining into Santa Clara River Valley from the south off "Round Mtn." (peak 1476), north of Potrero Canyon NE end of Santa Susana Mtns. 305 Comment
  CATA78  Sambucus nigra subsp. caerulea Peter Henrikson 1987-4-14 59 Los Angeles Santa Catalina Island: Avalon Canyon along One Hour Trail, north exposure 121 Comment
  RSA0087239  Sambucus nigra subsp. caerulea R. G. Swinney 2010-4-28 12383 Los Angeles near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  SFV18441  Sambucus nigra subsp. caerulea C. Ferguson 1974-4-10 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Beside entrance to park. Comment
  LA82085  Sambucus nigra subsp. canadensis O. H. Kappler; 1940-5-31 40 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  LA94339  Sambucus nigra subsp. canadensis Unknown; 1927-5-7 sn Los Angeles SANTA MONICA MOUNTAINS, Universal City. Comment
  RSA678164  Sanicula arguta Mark Elvin, Orlando Mistretta 1996-3-24 128 Los Angeles Eagle Canyon, San Clemente Island Comment
  SD75647  Sarcocornia pacifica M. B. Dunkle 1939-4-7 7330 Los Angeles San Clemente Island; Pyramid Cove. Comment
  CAS-BOT-BC219076  Schinus molle Louis C. Wheeler 1932-10-22 1437 Los Angeles Liveoak Wash near La Verne 403 Comment
  UCR178854  Schismus barbatus LeRoy Gross 2003-3-9 781 Los Angeles Transverse Ranges, San Rafael hills, southwest side. A west-east trending ridge southwest of Flint Peak. Near Mount Carmel Drive, east of the Glendale Fwy (2), between Chevy Chase Drive (Sycamore Canyon) to the north, and Glenoak Blvd. (Scholl Canyon) to the south 354 Comment
  RSA92164  Scirpus acutus var. occidentalis F. W. Peirson 1918-4-28 1611 Los Angeles Southeast of El Monte. Comment
  JEPS48953  Scirpus microcarpus Jos. Ewan 1934-8-11 2347 Los Angeles Newcomb's Ranch San Gabriel Mts., Chilao region, Newcomb's Ranch (Chilao region, San Gabriel Mts.) 1645 Comment
  RSA276010  Scrophularia californica subsp. floribunda Jack Delaini 1974-5-9 200 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. Johnson Peak Road, at head of Canyon 854 Comment
  LA92011  Scrophularia villosa Peter H. Raven; 1962-5-10 17711 Los Angeles San Clemente Island, floor of canyon N of Thirst 304 Comment
  UCR281404  Scutellaria mexicana R. G. Swinney 2014-4-24 16225 Los Angeles San Gabriel Mountains/Mojave Desert, SE of Valyermo, Shoemaker Cyn., S-facing slope on south side of Big Pines Hwy at 2nd horseshoe curve, 0.7 mile ENE of jct. of Big Rock Creek Rd. 1244 Comment
  POM96950  Scutellaria tuberosa P. A. Munz 1925-4-23 9418 Los Angeles San Gabriel Canyon. 305 Comment
  UCR95263  Scutellaria tuberosa L. C. Wheeler 1967-5-7 9283 Los Angeles San Gabriel Mtns, vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon, north side of Sunset Ridge, northeast of reservoir 625 Comment
  RSA0081662  Sedum spathulifolium T. S. Ross 1993-5-16 7147 Los Angeles Glendora Ridge Road on the divide between San Dimas Canyon and Cow Canyon. 1329 Comment
  CAS-BOT-BC62030  Selaginella bigelovii Le Roy Abrams 1900-3-1 219 Los Angeles Millardo Canyon Comment
  RSA617208  Selaginella bigelovii Louis Cutter Wheeler 1967-5-18 9635 Los Angeles San Gabriel Mountains: Placerita Canyon. T4N R15W sec. 4. 518 Comment
  RSA529305  Selaginella bigelovii Timothy S. Ross 1991-4-8 4451 Los Angeles Elephant Hill: western Pomona 229 Comment
  POM155625  Senecio flaccidus var. douglasii M. L. Bryan 1928-9-2 20 Los Angeles Mandeville Canyon, near Santa Monica 152 Comment
  RSA754430  Senecio flaccidus var. douglasii Ellen Mackey, Blake Whittiington 2006-10-26 NFWF- 1848 Los Angeles San Gabriel River Watershed; on sandbar next to river. 451 Comment
  SD90290  Senecio lyonii Robert F. Thorne 1970-3-6 39388 Los Angeles Santa Catalina Island, above Cotton Canyon beach 7 Comment
  UC1211048  Senecio lyonii Huron H. Smith 1912-5-31 5057 Los Angeles Pebble Beach Road Santa Catalina Island 7 Comment
  UCR194086  Senecio mikanioides A. C. Sanders, Dan S. Cooper 2008-1-11 34413 Los Angeles Western Transverse Range; Santa Monica Mtns., Franklin Canyon, just above Franklin Canyon Ranch on side of Lake Dr. 157 Comment
  RSA473112  Senecio vulgaris Anstruther Davidson 1917-04 s.n. Los Angeles Alvarado Street, Los Angeles. Comment
  PASA955  Senecio vulgaris Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  RSA629702  Setaria parviflora L. C. Wheeler 1967-7-6 9940 Los Angeles San Gabriel Mountains: San Gabriel Canyon 274 Comment
  UCR18380  Setaria pumila O. F. Clarke 1977-7-4 s.n. Los Angeles Pasadena, residential garden at 384 North Oakland Avenue 268 Comment
  SBBG59134  Setaria viridis R. Hoffmann 1931-9-28 Los Angeles near Harold Comment
  CAS-BOT-BC434371  Sidotheca trilobata Steve Boyd; Timothy S. Ross; Laura Moore; Valerie Soza 1997-7-8 10004 Los Angeles Liebre Mountains Region: Saddle between Sawmill Mountain and Liebre Mountain, at the head of the north fork of Fish Canyon. 1456 Comment
  CAS-BOT-BC434373  Sidotheca trilobata A. D. E. Elmer 1902-6-1 3695 Los Angeles Acton Comment
  JEPS50922  Silene antirrhina Frank W. Peirson 1919-5-14 421 Los Angeles Eaton Canyon San Gabriel Mountains, Eaton Canyon 731 Comment
  LA94355  Silene antirrhina Martha Hilend Kinsey; 1935-5-24 sn Los Angeles SANTA MONICA MOUNTAINS, Bel Air Estates. Comment
  SBBG13034  Silene antirrhina P. H. Raven 1962-5-8 17634 Los Angeles W slope of island opposite Wilson Cove 60 Comment
  SBBG127533  Silene gallica M. L. Hoefs, S. A. Junak, K. Kirkland 1998-4-4 2824 Los Angeles hillside above New York Harbor 54 Comment
  UCR27596  Silene gallica Alfred R. Roos 1956-5-22 s.n. Los Angeles South Coast, Sepulveda Blvd., [City of] El Segundo 30 Comment
  CAS-BOT-BC387019  Silene gallica Louis C. Wheeler 1932-3-23 521 Los Angeles UCLA Campus, West Los Angeles 137 Comment
  RSA533891  Silene gallica Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5163 Los Angeles San Clemente Island: 950 ft WNW of Stone at the begining of the Stone Canyon drainage. 441 Comment
  LA94362  Silene laciniata subsp. laciniata Monte Lloyd; 1950-7-23 500723p 1435 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon Comment
  RSA774864  Silene verecunda R. G. Swinney 2009-6-24 11248 Los Angeles Summit of Granite Mountain. 1988 Comment
  UCR159906  Silene verecunda subsp. platyota Orlando Mistretta 1993-7-17 920 05 Los Angeles San Gabriel Mtns, Bear Canyon Trail to Mt Baldy 2049 Comment
  RSA0116690  Silybum marianum R. G. Swinney 2010-5-25 12927 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  UCR255512  Silybum marianum Dan S. Cooper 2014-6-26 614- 33 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, north end of Fern Dell picnic area near Western Canyon Rd. 205 Comment
  RSA656973  Silybum marianum Patricia Kouo 1994-5-13 945129 Los Angeles 3 miles south of I-10, and 1 mile north of I-60. On the west side of Rosemead Blvd., at the most south lake. Comment
  CAS-BOT-BC75089  Sisymbrium altissimum Tim Ross; Steve Boyd 1993-5-23 7290 Los Angeles Liebre Mountains. Lower, easterly ridge of Red Mountain. 975 Comment
  UCR280562  Sisymbrium altissimum R. G. Swinney 2014-4-10 16012 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  UCSB27921  Sisymbrium altissimum Kunze, G. 1971-4-17 Los Angeles 160th Street, 6.3 miles south of Lancaster Road, Antelope Valley 914 Comment
  CAS-BOT-BC75231  Sisymbrium irio P. B. Kennedy 1924-2-21 s.n. Los Angeles Pomona. E. Johnson Ranch. Comment
  RSA660051  Sisymbrium irio Stephen Hill 1981-3-5 31 Los Angeles NE side of old greenhouse on Campus at CalPoly Pomona. Comment
  RSA708616  Sisymbrium officinale Valerie Soza, LeRoy Gross 2001-5-9 1208 Los Angeles Southern San Rafael Hills: South of Scholl Canyon, Valle Vista fire road, west of junction with Scholl Canyon Road, ridgetop north of Hwy 134. 297 Comment
  UCR132947  Sisymbrium officinale Michael D. Wilcox 2003-8-30 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory 381 Comment
  RSA0078380  Sisymbrium orientale R. G. Swinney 2010-4-23 12329 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA15306  Sisymbrium orientale Fay A. MacFadden 1930-06 2199 Los Angeles Verdugo Mountains: Tuna Canyon. 335 Comment
  RSA640737  Sisyrinchium bellum Louis C. Wheeler 1931-3-31 s.n. Los Angeles Base of San Gabriel Mountains: Padua Hills. Comment
  SEINET12045592  Sisyrinchium bellum C. L. Abbott 1926-1 s.n. Los Angeles Los Angeles Comment
  SBBG119079  Solanum americanum S. D. White with P. De Vries 2004-6-14 10483 a Los Angeles Lyon Cyn, W of Interstate 5, ca. 4 mi N of the I-5 jct with Hwy 14, ca. 6 mi S of Castaic Jct 396 Comment
  UCR116943  Solanum americanum A. C. Sanders, D. Malueg 2001-5-17 24324 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned 122 Comment
  RSA584010  Solanum douglasii Tim S. Ross 1991-4-25 4593 Los Angeles Lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at 1540 ft. elev.) (Glendora) 536 Comment
  RSA592474  Solanum douglasii Mark Hoefs 1973-3-13 65 Los Angeles Santa Catalina Island: in upper Avalon Canyon, east of cactus area. 183 Comment
  RSA640719  Solanum douglasii Louis C. Wheeler 1931-3-7 s.n. Los Angeles LaVerne: Wheeler's residence. Comment
  RSA725312  Solanum douglasii K. Dobry 1991-5-2 476 Los Angeles West San Gabriel Mts at Elsmere Cyn Comment
  UCR206495  Solanum douglasii A. C. Sanders, T. B. Salvato 2009-5-21 36904 Los Angeles San Gabriel Valley, Whittier Narrows, between San Gabriel River and Rio Hondo, west side of Hwy 19 (Rosemead Blvd.) along road to shooting area, S of Hwy 60 along SCE powerlines 66 Comment
  UCR273404  Solanum douglasii R. G. Swinney 2011-4-26 14484 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  RSA422436  Solanum douglasii Robin S. Collins 1973-5-15 298 Los Angeles Angeles National Forest, San Gabriel Mountains: Trail Canyon. 609 Comment
  UCR205722  Solanum marginatum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37030 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  SD227913  Solanum mauritianum Scott D. White 1997-5-14 5126 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mts. SW of I210 Freeway, E of Hansen Dam, and N of Wentworth St. 334 Comment
  UC1125174  Solanum umbelliferum E. Armstrong 1934-4-1 1076 Los Angeles 10 mi w of Frazier Park (Santa Barbara National Forest); Santa Barbara National Forest 1524 Comment
  UC76173  Solanum umbelliferum E. D. Palmer May 1904 Los Angeles Claremont Comment
  UCR270108  Solanum umbelliferum R. G. Swinney 2011-4-9 14367 Los Angeles San Gabriel Mountains, NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  CAS-BOT-BC156849  Solanum umbelliferum Prof. W. R. Dudley 1907-12-18 s.n. Los Angeles Sawpit [Canon] Canyon (near Monrovia) Comment
  RSA427407  Solanum umbelliferum M. B. Dunkle 1936-3-28 4713 Los Angeles Santa Catalina Island, Silverado Canyon. Comment
  RSA427471  Solanum umbelliferum Frances L. Cramer 1934-3-15 s.n. Los Angeles Santa Susana Pass. Comment
  RSA517112  Solanum umbelliferum Tim S. Ross, Steve D. Boyd 1990-5-14 2467 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1049 Comment
  NY820411  Solanum xanti L. Abrams 1908-6-19 336 Los Angeles Oakgrove Canyon, Liebre Mountains 1067 Comment
  UCR65514  Solanum xanti T. S. Ross, Steve Boyd 1990-5-14 2467 Los Angeles San Gabriel Mtns., Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1049 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
  POM19002  Solidago californica P. A. Munz 1923-9-1 7712 Los Angeles Swartout Valley, narrow north-facing canyon. 2043 Comment
  CAS-BOT-BC365311  Solidago confinis A. J. McC. 1893-8-17 181 Los Angeles San Antonio Canon [Canyon] Comment
  CAS-BOT-BC365313  Solidago confinis Louis C. Wheeler 1966-10-1 8951 Los Angeles San Gabriel Mountains; Colby Ranch 1097 Comment
  CAS-BOT-BC365031  Solidago velutina subsp. californica Fordyce Grinnell 1903-12-22 24 Los Angeles Arroyo Seco Canon [Canyon], near Pasadena Comment
  CAS-BOT-BC365033  Solidago velutina subsp. californica Ernest Braunton 1903-9-1 905 Los Angeles Glendale to Burbank Comment
  SEINET10970376  Sollya fusiformis Jon Ricketson, Heidi H. Schmidt 1992-10-19 Ricketson 4770 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Gardens, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  UCR222775  Sonchus asper R. G. Swinney 2009-5-6 10691 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon at confluence with Little Rock Creek 909 Comment
  POM11349  Sonchus oleraceus F. L. Robinson 1921-3-17 10 Los Angeles Claremont, near the Greek [Theater] Comment
  RSA474108  Sonchus oleraceus F. R. Fosberg 1931-4-12 S- 4574 Los Angeles Near Jewfish Point, Santa Catalina Island. 3 Comment
  UCD136159  Sonchus oleraceus Donald R. Bissing 1973-6-2 148 Los Angeles Evey Canyon, San Gabriel Mountains. 1.4 miles from canyon mouth. 1024 Comment
  HSC49071  Spartium junceum Patricia Shesgreen 1978-6-17 108 Los Angeles Whittier Hills, 0.4 mi. E of Painter Ave., N side of Turnbull Canyon Rd. Comment
  UCR95431  Spartium junceum Steve Boyd, Orlando Mistretta 1996-5-23 8819 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to power plant, just north of upper end of Castaic Lake. 500 Comment
  LA34169  Spergularia macrotheca var. macrotheca Peter H. Raven; Henry J. Thompson 1969-6-4 14342 Los Angeles 12 Comment
  SBBG95218  Spergularia macrotheca var. macrotheca M. B. Dunkle 1928-4-29 1910 Los Angeles Little Harbor Comment
  SBBG95685  Spergularia macrotheca var. macrotheca A. Liston, O. Mistretta, L. Rieseberg 1989-4-28 797 -1 Los Angeles above China Pt Comment
  UCR98270  Spergularia marina Scott D. White 1997-3-12 4753 Los Angeles Pacific Coast, Zuma Beach, mouth of Zuma Creek, E end of the County Beach. 8 Comment
  CAS-BOT-BC518709  Sphaeralcea emoryi subsp. emoryi B. C. Templeton 1930-5-19 1460 Los Angeles San Gabriel Mtns: Mint Canyon, near Mojave Desert 854 Comment
  UCR94661  Sporobolus airoides A. C. Sanders, E. J. Lott 1993-5-6 13952 Los Angeles Western Mojave Desert, 12 miles north of Palmdale, Sierra Hwy at Ave 'G', to 0.1 mi. NW of intersection 706 Comment
  RSA506195  Sporobolus cryptandrus L. C. Wheeler 1966-10-22 9045 Los Angeles Grandad's Ranch, Aliso Canyon. Comment
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Nov 23 2015
  CAS-BOT-BC235459  Sporobolus indicus Peter H. Raven; Henry J. Thompson 1958-9-28 13729 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Near Ohio Street on Westwood Boulevard 68 Comment
  SEINET9297583  Stachys albens Unknown 2007-8-8 3036 Los Angeles San Gabriel Mtns Comment
  UCD125798  Stachys albens Shirley W. Campbell 1970-4-24 104 Los Angeles east bank of lower reach of the Arroyo Seco, southwestern Pasadena. Comment
  SBBG98049  Stebbinsoseris heterocarpa T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5227 Los Angeles 1650 ft WNW of Guds, graded by the Navy to form a "pad" 201 Comment
  SD186098  Stebbinsoseris heterocarpa A. C. Sanders, T. B. Salvato 2005-4-26 29742 Los Angeles Santa Clarita area, bowl between ridges at northeast end of Cruzan Mesa, just south of Vasquez Canyon Road. 594 Comment
  CAS-BOT-BC393695  Stellaria media Scott White; Chet McGaugh 1995-5-16 3061 Los Angeles E edge of Santa susana Mtns; Sunshine Cyn. 487 Comment
  SBBG108896  Stellaria nitens S. A. Junak 1997-3-12 SCl 765 Los Angeles S side of second cyn S of Camera Pad "Malo," ca.0.25 mi SE of Malo 320 Comment
  CDA2528  Stenotaphrum secundatum Johnson, Margaret Bellue Oct 1944 Los Angeles Huntington Park, Pasadena. 0 Comment
  CAS-BOT-BC375145  Stephanomeria cichoriacea Peter H. Raven 1957-9-21 11357 Los Angeles Topanga Canyon 2.5 mi. above U.S. 101 alternate, Santa Monica Mts. Comment
  RSA474176  Stephanomeria cichoriacea Anstruther Davidson 1892-8-20 s.n. Los Angeles Wilson's Trail Comment
  RSA724637  Stephanomeria cichoriacea K. Dobry 1991-8-18 D- 305 Los Angeles Las Virgenes and Mulholland Hwy, Santa Monica Mts at Soka University Comment
  RSA755725  Stephanomeria exigua R. G. Swinney 2008-10-7 9480 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 Comment
  RSA589055  Stephanomeria exigua subsp. coronaria Orlando Mistretta 1994-6-6 1316 Los Angeles San Gabriel Mountains, Little Rock Creek: Slopes on E side of canyon S of junction of Forest Service roads 4N15 and 5N04.3. 1280 Comment
  RSA730181  Stephanomeria exigua subsp. coronaria R. G. Swinney 1998-9-4 6891 Los Angeles San Gabriel Mtns.; dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi east of Hwy 2 on 3N06 2241 Comment
  CAS-BOT-BC375474  Stephanomeria exigua subsp. exigua W. R. Dudley; F. H. Lamb 1896-6-4 4309 Los Angeles Lancaster Comment
  SBBG67890  Stephanomeria exigua subsp. exigua R. Hoffmann 1927-4-30 Los Angeles Palmdale Comment
  UCR269946  Stephanomeria parryi R. G. Swinney 2010-6-1 13110 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
  CAS-BOT-BC322842  Stephanomeria pauciflora A. D. E. Elmer 1902-6-1 3501 Los Angeles Lancaster Comment
  RSA729328  Stephanomeria pauciflora R. G. Swinney 1999-7-28 7581 Los Angeles Iron Fork, a western tributary of East Fork San Gabriel River Canyon, c. 200 m above confluence. 951 Comment
  RSA670647  Stephanomeria pauciflora var. pauciflora B. C. Templeton 1932-7-21 5032 Los Angeles East Blue Ridge, Big Pines Park. San Gabriel Mountains 2134 Comment
  RSA474241  Stephanomeria virgata E. A. McGregor 1963-9-15 s.n. Los Angeles Whittier, Los Angeles Comment
  UCSB9881  Stephanomeria virgata Wedberg, H. 1958-7-19 Los Angeles On Point Dume Comment
  UCR253904  Stephanomeria virgata subsp. pleurocarpa Mitch Provance 2009-6-24 0609- 4 Los Angeles Western Transverse Range, Gorman, near Peace Valley Rd. crossing of Gorman School Rd., truck stop near Hungry Valley 1166 Comment
  UCR237907  Stipa lepida Mark A. Elvin 2003-5-1 2493 Los Angeles Santa Clarita Valley, Newhall Ranch, Castaic Mesas, c. 1.5 km east of Castaic Lagoon in Charlie Canyon, survey area 69 396 Comment
  UCR210287  Stipa parishii R. G. Swinney 2008-7-16 9258 Los Angeles San Gabriel Mtns., Will Thrall Peak, west of Burkhart Saddle 2392 Comment
  UCR209430  Stipa speciosa R. G. Swinney 2008-10-7 9491 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  UCR276943  Stipa speciosa R. G. Swinney 2010-5-21 12868 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
  RSA359411  Stuckenia pectinata Robert F. Thorne 1973-09 44728 Los Angeles Santa Catalina Island: Big Spring. Comment
  CHSC95507  Stylocline gnaphaloides LeRoy Gross; Valerie Soza 2003-5-15 911 Los Angeles Transverse Ranges; Verdugo Mountains region: Northwest side of mountains: North of La Tuna Canyon road, started at end of Elben Ave. Climbed north to ridgetop, south of McDonald Creek, then east along ridgeline, then we came back down into a small canyon at the end of Elben Place, just east of where we started. UTM Zone: 3789935N, 0377377E. 534 Comment
  RSA0076015  Stylocline gnaphaloides R. G. Swinney 2010-4-1 12127 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay.