Search Results — 2000 specimen records retrieved (1591 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA597119  Abies concolor T. S. Ross, Peter W. Fritsch, S. D. Boyd, Orlando Mistretta 1990-6-22 3712 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon 1939 Comment
  UCR141176  Abies concolor June Latting 1973-6-10 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek site, Fenner Canyon 1768 Comment
  RSA680067  Abronia maritima Mark A. Elvin, Michael Wall, Jennifer Stone 1996-8-8 324 Los Angeles San Clemente Island. West dunes along road to S end of dunes next to ocean. Comment
  CAS-BOT-BC229371  Abronia umbellata Dr. Barton W. Evermann 1918-3-25 s.n. Los Angeles San Clemente Isl. Comment
  UC1136555  Abronia umbellata A. D. Gifford 1934-5-16 249 Los Angeles Triunfo Pass Quadrangle, Dune Point Comment
  RSA651443  Acacia baileyana Paul Ring 1949-2-17 s.n. Los Angeles Found in canyon north of Infirmary. [Cal Poly, Pomona ?] 243 Comment
  RSA627084  Acacia cyclops Scott D. White 1998-4-28 6348 Los Angeles Palos Verdes area: Slope above Portugese Bend, east of Altamira Cyn. 61 Comment
  LA211077  Acacia dealbata Arthur C. Gibson; Tony Valois 2010-2-18 5279 Los Angeles SANTA MONICA MOUNTAINS, Along backbone trail several hundred meters from trailhead on Piuma Rd. Comment
  SDSU318  Acer macrophyllum D. F Howe 1947-3-22 1514 Los Angeles topango canyon. about 3 miles from ocean. Comment
Read comments
May 22 2014
  CAS-BOT-BC21680  Achillea millefolium George B. Grant; Walter Wheeler 1904-4-21 18 /4923 Los Angeles Santa Catalina Island Comment
  RSA584484  Achillea millefolium T. S. Ross 1992-5-24 6415 Los Angeles Brown's Gulch: Draining to San Gabriel Canyon at base of San Gabriel Dam. 464 Comment
  SBBG31503  Achillea millefolium R. M. Beauchamp 1967-3-18 261 Los Angeles E of Bluff Comment
  RSA416191  Achillea millefolium var. californica M. B. Dunkle 1939-4-6 7292 Los Angeles Mosquito Harbor, San Clemente Island Comment
  UC934033  Achnatherum coronatum H. L. Cogswell 1951-5-8 98 Los Angeles 3/4 mi n San Dimas Foothill County Park; San Gabriel Mountains 518 Comment
  RSA648083  Achnatherum occidentale subsp. occidentale J. C. Roos 1937-7-18 398 Los Angeles Mt. Wilson Observatory. Comment
  RSA250335  Achnatherum parishii R. F. Thorne, Larry E. DeBuhr 1972-8-18 42252 Los Angeles San Gabriel Mts; Angeles National Forest: open peak of Mt. Islip 2515 Comment
  RSA730248  Achnatherum speciosum R. G. Swinney 1999-6-5 7268 Los Angeles San Gabriel Mtns.: western end of ridge extending from Big John Peak, above Big John Flat 1768 Comment
  SBBG62  Achnatherum speciosum R. Hoffmann 1925-5-17 Los Angeles Antelope Valley Comment
  SEINET5327399  Acmispon argophyllus var. argenteus G. B. Grant, Walter Wheeler 1904-4-21 708 Los Angeles Collected on Santa Catalina Island, Pacific Ocean, off Southern California Comment
  LA200521  Acmispon argophyllus var. argophyllus O. H. Kappler; 1941-3-26 155 Los Angeles SANTA MONICA MOUNTAINS, Corral Canyon, main ridge at head of canyon. 609 Comment
  LA200524  Acmispon glaber var. glaber Norman A. Cole; May 1964 388 Los Angeles Santa Monica Mountains, La Sierra Canyon, 3.1 mi E of junction of Mulholland and Cornell Rd 274 Comment
  SBBG67984  Acmispon maritimus var. maritimus R. Hoffmann 1932-4-26 Los Angeles Mint Cyn, N of Solemint Comment
  SBBG87688  Acmispon maritimus var. maritimus S. Boyd, T. Elias 1987-4-14 2066 Los Angeles ridge between Pine Mtn and Silver Mtn S of Rincon-Red Box Rd, N of Glendora Comment
  SD86353  Acmispon strigosus R. Mitchel Beauchamp, M. Douglas 1972-3-24 3248 Los Angeles San Clemente Island, rocky crevices of dry south slope below Observation Post above Pyramid Cave 149 Comment
  OBI70634  Acmispon strigosus Louis C. Wheeler 1973-5-6 s.n. Los Angeles San Gabriel Mts. Indian Cyn campground (off Soledad Cyn). T4N R13W NW 1/4 sec 20 Comment
  SD37578  Acourtia microcephala Edith A. Purer 1931-5-8 Los Angeles Griffith Park. Comment
  UC206238  Acourtia microcephala Katharine Brandegee Los Angeles Santa Catalina Id. Comment
  CAS-BOT-BC29720  Acroptilon repens T. C. Fuller 1963-10-9 11366 Los Angeles N side of 7th Street, E of Salida Ave., just W of the San Gabriel River, Long Beach Comment
  CAS-BOT-BC133188  Adenostoma fasciculatum L. R. Abrams; I. L. Wiggins 1931-7-4 335 Los Angeles White's Landing, Santa Catalina Island Comment
  LA52128  Adenostoma fasciculatum Martha Hilend; 1933-5-19 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA0030945  Adenostoma fasciculatum Bill Dewal s.n. Los Angeles Montrose Comment
  CAS-BOT-BC65568  Adiantum capillus-veneris LeRoy Abrams 1902-7-4 2723 Los Angeles near the mouth of San Gabriel Canyon Comment
  POM155772  Adiantum capillus-veneris M. B. Dunkle 1928-10-7 1987 a Los Angeles Middle Ranch gorge, Santa Catalina Island. 30 Comment
  CATA96  Adiantum jordanii Mark L. Hoefs 1973-3-13 72 Los Angeles Santa Catalina Island: Upper Avalon Canyon, west of Wrigley Memorial 152 Comment
  LA94086  Adiantum jordanii Lawrence L. Kiefer; 1966-3-19 1744 Los Angeles SANTA MONICA MOUNTAINS, Trancas Canyon, ca 3 mi from mouth. 304 Comment
  POM871  Adiantum jordanii M. Harbour 1909-1 s.n. Los Angeles Claremont, hills east of Orange. Comment
  RSA687710  Adiantum jordanii Alva Watry 1931-5-26 s.n. Los Angeles Pico Canyon Comment
  CDA6735  Ageratina adenophora L. C. Wheeler 1963-5-5 8256 Los Angeles San Gabriel Mountains; Bear Creek, off West Fork San Gabriel River. Comment
  UCR109684  Ageratina adenophora R. D. Goeden, Don W. Ricker 1969-12-10 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, Los Angeles 366 Comment
  UCR192042  Agoseris heterophylla A. C. Sanders 2008-4-17 34945 Los Angeles Transverse Range, hills 1.5 mi. SW of Neenach School, c. 1.5 mi. west of Pine Canyon 976 Comment
  UCR273188  Agrostis exarata R. G. Swinney 2011-10-25 15893 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
  SEINET7594108 Image available Agrostis pallens Unknown 1892-1 45862 Los Angeles Santa Monica, Santa Monica Comment
  CDA4017  Albizia lophantha Robert Gustafson 1981-4-14 2171 Los Angeles Coastal Plains & Basins; Los Angeles Basin region; Ballona Wetlands, area 2 0 Comment
  RSA769904  Allium R. G. Swinney 2009-5-28 10958 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  SEINET10719975  Allium Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2578 Los Angeles City of San Gabriel. Hawaii Supermarket, 120 E. Valley. Comment
  UCR281317  Allium fimbriatum R. G. Swinney 2014-4-24 16227 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
  SD231161  Allium fimbriatum var. fimbriatum Sula Vanderplank, Leroy Gross & Steve Hoskinson 2005-5-6 50506 3 Los Angeles Transverse Ranges; San Gabriel Mountains region: Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  CAS-BOT-BC135894  Allium haematochiton John Thomas Howell 1928-3-2 3359 Los Angeles Vermont Canyon [Canon], Griffith Park Comment
  SEINET3884725  Allium haematochiton K. Dobry 1991-5-13 512 Los Angeles West San Gabriel Mountains at Elsmere Canyon.; 0 Comment
  UC536858  Allium howellii var. clokeyi M. E. Jones 1934-4-26 Los Angeles ne Los Angeles; Castaic Canyon Comment
  SD253328  Allium lacunosum var. davisiae R. G. Swinney 2011-6-7 15041 Los Angeles San Gabriel Mountains: Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road (Chilao Flat 7.5'Q) 1584 Comment
  UCR263284  Allium lacunosum var. davisiae Anuja Parikh, Nathan Gale 2012-5-12 3593 Los Angeles Transverse Range: San Gabriel Mountains, Aliso Canyon, 1.3 km west of Angeles Forest Hwy, 0.1 km north of Aliso Canyon Road 1121 Comment
  RSA3570  Allium praecox Carl B. Wolf 1932-5-12 3583 Los Angeles Santa Catalina Island. Open valley 2 miles from Isthmus on road to Little Harbor. 91 Comment
  CAS-BOT-BC475404  Allium praecox George B. Grant; Walter Wheeler 1904-4-21 34 Los Angeles Santa Catalina Island, Pacific Ocean, off southern California Comment
  SEINET2444427  Allophyllum divaricatum Leigh A. Johnson 1994-7-7 94 -056 Los Angeles Angeles Nations Forest, San Gabriel Mountains. Along Glendora Ridge Road within 5 miles W of jct. with Mt. Baldy Rd. 1000 Comment
  UCR24330  Allophyllum gilioides John C. Roos 1942-5-23 1058 Los Angeles San Gabriel Mtns., Santa Anita Canyon Comment
  RSA690926  Allophyllum glutinosum J. Mark Porter, Lauren Machen 2004-5-1 14079 Los Angeles San Gabriel Mountains, along Mount Baldy Road. 881 Comment
  UC23573  Allophyllum integrifolium H. M. Hall 1899-6-22 1266 Los Angeles head of San Gabriel R.; San Antonio Mts., San Gabriel R. 2438 Comment
  POM307814  Alnus rhombifolia Henry J. Ramsey, Henry J. Ramsey 1938-2-13 2746 Los Angeles Eaton Canyon Park, Altadena. by old bridge. Comment
  UCR182701  Alopecurus pratensis R. G. Swinney 1997-8-6 5767 Los Angeles San Gabriel Mtns, along Big Pines Hwy, c. 0.5 mi. west of Hwy 2 junction, east of Jackson Lake 2024 Comment
  RSA187702  Amaranthus albus R. F. Thorne 1966-9-14 36646 Los Angeles Santa Catalina Island: sandy, disturbed area behind Ben Weston Beach 3 Comment
  RSA597276  Amaranthus blitoides T. S. Ross, Steve D. Boyd 1990-6-18 3511 Los Angeles Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages. San Gabriel Mountains. 1744 Comment
  UCR9371  Amaranthus blitoides G. Hill 1969-11-10 s.n. Los Angeles San Gabriel Valley, Puente Hills 432 Comment
  UCR142890  Amaranthus hybridus L. C. Wheeler 1966-10-25 9066 Los Angeles San Gabriel Mtns, E[dwin]Waldo Ward's grove, 0.25 mi. north of El Encanto, San Gabriel Canyon 244 Comment
  POM158112  Amaranthus hybridus L. R. Abrams 1902-8-20 2963 Los Angeles Inglewood. Comment
  RSA404560  Amaranthus palmeri Anstruther Davidson 1945-1 s.n. Los Angeles Los Angeles. Comment
  SBBG31401  Amblyopappus pusillus R. F. Thorne 1966-4-7 35982 Los Angeles above beach near Parson Landing, W of Arrow Pt 4 Comment
  RSA0108867  Amblyopappus pusillus Steven A. Junak 1998-6-13 SCa- 740 Los Angeles Santa Catalina Island: Coastal slopes just W of beach at Little Harbor. 48 Comment
  RSA416878  Amblyopappus pusillus Larry E. DeBuhr, Gary D. Wallace 1972-9-2 693 Los Angeles San Clemente Island: base of canyon 1.5 miles north of Eel Point. 30 Comment
  JEPS23683  Ambrosia acanthicarpa Peter H. Raven and Henry J. Thompson 1959-9-27 14508 Los Angeles Sepulveda Canyon; Santa Monica Mountains, Los Angeles 243 Comment
  UCR272518  Ambrosia acanthicarpa R. G. Swinney 2011-10-27 15925 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
  UCD128717  Ambrosia acanthicarpa Daryl Koutnik; Bruce Holguin 1978-4-1 204 Los Angeles Mint Canyon on Sierra Hwy, 5 miles northwest of State Hwy 14. 563 Comment
  SBBG113686  Ambrosia chamissonis E. Collins, S. A. Junak 1991-4-26 Los Angeles rd to Dolphin Bay 48 Comment
  CAS-BOT-BC180637  Amorpha californica var. californica Timothy S. Ross; Steve Boyd 1995-6-28 8644 Los Angeles Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon - Liebre Mountains 737 Comment
  POM6859  Amsinckia intermedia P. A. Munz, L. T. Street, G. Williams 1919-3-8 2289 Los Angeles Pomona. Comment
  RSA0079979  Amsinckia intermedia Sam Tyson 1943-4-2 s.n. Los Angeles San Dimas Canyon. 457 Comment
  RSA0079995  Amsinckia intermedia H. de Forest 1929-3-21 s.n. Los Angeles Palos Verdes Hills. Comment
  LA40182  Amsinckia menziesii A. M. Johnson; 1933-4-18 4195 Los Angeles U.C.L.A. Botanical Garden Comment
  RSA772420  Amsinckia tessellata R. G. Swinney 2009-5-12 10730 Los Angeles Transverse Range, San Gabriel Mountains, Alimony Ridge, Junction of Alimony Ridge & Alimony Ridge Rd. and to 0.5 mi NW up ridge 1435 Comment
  RSA525313  Amsinckia tessellata W. Wisura 1991-4-27 4470 Los Angeles Along Lancaster Road, NW of Munz Ranch Road. Antelope Valley. Comment
  RSA719502  Anagallis arvensis Gary Kovnat, LeRoy Gross 2004-4-25 54 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. Comment
  LA39067  Anagallis arvensis Harlan Lewis; 1940-8-14 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  LA43453  Anagallis arvensis Virginia Mars; 1951-4-7 sn Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  LA81922  Anagallis arvensis O. H. Kappler; 1940-8-31 39 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  CATA2003  Anemopsis californica Steven A. Junak, Mark Hoefs, Misty Gay 1997-6-6 441 Los Angeles Santa Catalina Island: Along N side of creek between Upper and Lower Buffalo Springs Reservoirs, just downstrem from dam at Upper Reservoir 426 Comment
  IRVC28559  Anemopsis californica A. C. Sanders 2003-8-6 27113 Los Angeles Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters NE end of Santa Susana Mtns. 320 Comment
  CAS-BOT-BC400323  Anemopsis californica Timothy S. Ross; Steve Boyd; Steve Burns 1994-7-6 8095 Los Angeles Liebre Mountains. Cottonwood Swamp; Confluence of San Francisquito Canyon stream and two tributaries draining off the southeast slopes of Red Mountain 515 Comment
  POM2019  Anemopsis californica Harry Pruett 1909-5-27 21 Los Angeles Claremont. Comment
  JEPS32856  Anisocoma acaulis E. R. Blakley 1958-5-9 2265 Los Angeles hills 2 mi e Gorman 1097 Comment
  RSA674555  Anthemis cotula Scott D. White 2000-6-24 8094 Los Angeles Puente Hills: City of Rowland Heights, 'Rancho Rincon de la Brea' near Bill Blevins Park. 213 Comment
  SD113041  Anthemis cotula Darley F. Howe 1915-6-3 Los Angeles Claremont Comment
  RSA0105160  Antirrhinum coulterianum R. G. Swinney 2011-5-12 14671 Los Angeles San Gabriel Mountains: east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy. 1183 Comment
  POM158306  Antirrhinum nuttallianum subsp. subsessile M. B. Dunkle 1928-4-29 1903 Los Angeles Little Harbor, Santa Catalina Island. 9 Comment
  CATA2973  Aphanisma blitoides Peter J. Dixon 2015-2-17 001 Los Angeles Santa Catalina Island: Ben Weston Ridge Rd. near feral animal removal fence gate. 60 m West of Middle Ranch Rd. Population bisected by road. 137 Comment
  SBBG96755  Aphanisma blitoides S. Boyd with T. Ross, L. Arnseth 1990-4-7 4283 Los Angeles lower half of China Cyn Comment
  POM147961  Apiastrum angustifolium Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  RSA97397  Apiastrum angustifolium F. W. Peirson 1908-4-18 2095 Los Angeles Point Fermin Comment
  UC1122906  Apiastrum angustifolium Jerome S. Horton 1939-5-16 540 Los Angeles 1/4 mi se of San Dimas Resevoir (California Forest and Range Experiment Station, San Dimas Canyon); California Forest and Range Experiment Station, San Dimas Ca 457 Comment
  SBBG58621  Apocynum cannabinum R. Hoffmann 1928-7-7 Los Angeles Acton Comment
  RSA145432  Aquilegia formosa var. truncata Gale Sphon 1959-6-27 377 Los Angeles West of junction of Big Rock Creek Road with paved road, San Gabriel Mountains. 2058 Comment
  UCR272548  Arabis glabra R. G. Swinney 2011-6-7 15060 Los Angeles San Gabriel Mountains, Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy. 2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek 1585 Comment
  SEINET233347  Arabis pulchra Steve Mason, Helen M. Mason 1993-5-9 36 Los Angeles Mt. Pinos area Lockwood Valley Rd 3.7 mi from Mt. Pios Hwy on the right side of the road 1646 Comment
  UCR193165  Arabis repanda R. G. Swinney 1998-7-14 6440 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, 0.2-0.3 mi. west of Camp Lupine trail 2247 Comment
  RSA0128608  Arabis repanda var. repanda R. F. Thorne, C. W. Tilforth, John Dourley, R. Scogin 1972-8-11 42228 Los Angeles San Gabriel Mtns, Angeles National Forest: N slope of Mt. Waterman near Buckhorn Station. 2134 Comment
  RSA0128662  Arabis repanda var. repanda F. W. Peirson 1919-6-14 507 Los Angeles Rock Creek, north slope of San Gabriel Mountains 1707 Comment
  JEPS66574  Arbutus menziesii Frank W. Peirson 1919-4-5 140 Los Angeles Old Mt. Wilson Trail; San Gabriel Mountains, Sierra Madre, Old Mt. Wilson Trail 914 Comment
  SBBG47520  Arctostaphylos catalinae M. B. Dunkle 1929-2-10 2048 Los Angeles Bullrush Cyn Comment
  SBBG78841  Arctostaphylos catalinae C. B. Wolf 1932-5-13 3626 Los Angeles 3.5 mi (by rd) from Avalon on way to isthmus 365 Comment
  RSA626736  Arctostaphylos glandulosa Jon E. Keeley 1978-9-4 7231 Los Angeles Mt. Gleason (Arcto study site). 2000 Comment
  RSA626751  Arctostaphylos glandulosa Jon E. Keeley 1978-2-25 7045 Los Angeles Shortcut Summit, 0.5 km east of Shortcut Picnic Ground. 1560 Comment
  SFV2639  Arctostaphylos glandulosa R. L. Armacost 1963-4-18 1580 Los Angeles Santa Monica Mountains Mandeville Canyon. Comment
  RSA626808  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1992-10-15 22092 Los Angeles S-facing slopes at end of Hwy 39, NW of Crystal Lk. 1720 Comment
  UCD50877  Arctostaphylos glandulosa subsp. glandulosa Daryl Koutnik; John Cuti 1978-4-19 381 Los Angeles Verdugo Mountains on fire road from Stough Canyon to La Crescenta. 762 Comment
  RSA631219  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Melanie Baer Keeley 1992-10-11 21980 Los Angeles Liebre Mountains, 1.5 km east of Bear Campground. 1700 Comment
  RSA631299  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Melanie Baer Keeley 1992-10-11 21989 Los Angeles Liebre Mountains, 3.5 km east of Bear Campground. 1675 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
  OBI70939  Arctostaphylos glauca Steve Boyd, Lauren Raz 1997-3-25 9285 Los Angeles Liebre Mts region: Knapp Ranch area at upper end of Castaic Crk drainage in broad alluvial valley at head of Cienaga Canyon, S of Liebre Mtn, flats and slopes just NE of ranch compound 1061 Comment
  RSA631569  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15998 Los Angeles Hughes Lake Road, south of Cottonwood Campground. 800 Comment
  RSA631622  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-27 15772 Los Angeles Santa Clara Divide Road (3N17), 6-7 km off Sand Canyon Road. 1000 Comment
  RSA631677  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-10-11 22069 Los Angeles Dirt road between Chilao and Mill Creek Summit, ca. 100 m north on side road to Pacifico Mountain. 2000 Comment
  RSA0073297  Arctostaphylos glauca Bonnie C. Templeton 1938-6-1 4871 Los Angeles E. Blue Ridge, Big Pines Park, San Gabriel Mts. Comment
  RSA634694  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20344 Los Angeles Road to Mt. Gleason, 5.3 km west of Mill Creek Summit, San Gabriel Mtns. 1670 Comment
  RSA634829  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22038 Los Angeles Dirt road between Chilao and Mill Creek Summit, 2.7 km E of turnoff to Pacifico Mtn., San Gabriel Mtns. 1825 Comment
  RSA635104  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20470 Los Angeles S of Sulphur Springs Cpgrd, N of Angeles Crest Hwy, San Gabriel Mtns. 1700 Comment
  RSA635116  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20317 Los Angeles Road to Mt. Gleason, 4.3 km west of Mill Creek Summit, San Gabriel Mtns. 1670 Comment
  RSA635146  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20583 Los Angeles Road to Suphur [Sulphur] Springs Cpgrd., across from Singing Pines Camp, 1.7 km N of Angeles Crest Hwy, N of Chilao. San Gabriel Mtns. 1640 Comment
  UCR190002  Arctostaphylos patula R. G. Swinney 1998-6-16 6991 Los Angeles San Gabriel Mtns., summit of Lookout (Antonio) Mountain 2077 Comment
  UCR147281  Arenaria macradenia Orlando Mistretta 1992-8-20 772 Los Angeles Transverse Ranges; San Gabriel Mtns, Mt. Gleason Management Unit; Mt Gleason, Tujunga Ranger District 1698 Comment
  CAS-BOT-BC174072  Arenaria paludicola Davidson; Greata 1900-8-26 s.n. Los Angeles Cienega Comment
  CATA3378  Aristida adscensionis Peter J. Dixon 2016-5-12 054 Los Angeles Santa Catalina Island: Lower Coffeepot Canyon, 110 m east of red ridge rd. 530 m north of Pacific Ocean 200 Comment
  CDA1017  Artemisia californica D. G. Kelch 1991-3-17 1331 Los Angeles Santa Catalina Is.; 1.5 km N of Avalon. 0 Comment
  POM244812  Artemisia californica F. R. Fosberg 1931-12-10 7149 Los Angeles Avalon, Public Utilities Canyon. Santa Catalina Island. 50 Comment
  RSA94530  Artemisia californica F. W. Peirson 1918-10-16 245 Los Angeles Pacoima Canyon, west end of San Gabriel Mts. 534 Comment
  POM199711  Artemisia douglasiana I. W. Clokey, B. C. Templeton 1929-06 4594 Los Angeles Mandeville Canyon, Santa Monica Mountains. 200 Comment
  LA31678  Artemisia douglasiana Peter H. Raven; Henry J. Thompson 1958-10-11 13745 Los Angeles Santa Monica Mountains, Tuna Canyon, at Pacific Coast Hwy 152 Comment
  POM49717  Artemisia douglasiana L. R. Abrams 1901-08 2181 Los Angeles Ballona Creek. Comment
  RSA0029484  Artemisia douglasiana Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-7-18 2986 Los Angeles Santa Catalina Island. Middle Ranch Reservoir. 189 Comment
  RSA188485  Artemisia douglasiana R. F. Thorne, John Olmsted 1965-8-26 35398 Los Angeles Angeles National Forest, thickety area near Prairie Fork 1616 Comment
  UC53904  Artemisia dracunculus Ernest Braunton 1902-6-8 437 Los Angeles Ballona Comment
  UC54147  Artemisia dracunculus E. B. Babcock 1902-11-1 Los Angeles near Pomona Comment
  UCR127374  Artemisia dracunculus A. C. Sanders, M. S. Enright, Mark Elvin, Cathleen Weigand 2002-8-8 25577 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, ridgetops on the south side of Potrero Canyon, above the dirt road to bench mark 1804, north of East Fork Salt Canyon 549 Comment
  CAS-BOT-BC90811  Artemisia nesiotica Robert F. Thorne 1968-4-27 37508 Los Angeles Santa Barbara Island: plateau near headwaters of Middle Canyon 76 Comment
  SBBG43892  Artemisia nesiotica M. R. Benedict 1971-6-25 Los Angeles 0.5 mi S of Wilson Cove Comment
  UC892568  Artemisia suksdorfii Carl B. Wolf 1932-10-5 4233 Los Angeles 1 mi from Black Jack Mine (on road to Middle Ranch); Santa Catalina Island 274 Comment
  UCSB23177  Artemisia tridentata McMinn, Howard 1924-8-14 Los Angeles Newhall to Sangus Comment
  UCSB6354  Artemisia tridentata Zellhoefer, Judy 1960-5-13 Los Angeles Mint Canyon Campground, Mint Canyon, Highway 6; Angeles Nat'l Forest Comment
  CAS-BOT-BC97294  Artemisia tridentata subsp. parishii L. R. Abrams 1916-10-31 6363 Los Angeles Type locality: Newhall, Fremont's Pass, near Newhall Comment
  SBBG43842  Arthrocnemum subterminale M. R. Benedict 1971-6-25 Los Angeles ca. 0.5 mi S of Wilson Cove Comment
  RSA401680C  Asclepias eriocarpa F. R. Fosberg, J. A. Ewan 1931-8-11 S 5530 Los Angeles NW spur Mt Islip Comment
  RSA785816  Asclepias fascicularis K. Dobry 1991-6-13 736 Los Angeles Santa Monica Mts. Las Virgenes and Mulholland Hwy at Soka Univ. Comment
  CATA1996  Asparagus asparagoides Steven A. Junak, Mark Hoefs 1997-6-4 409 Los Angeles Santa Catalina Island: Small cove at W end of Empire Landing rock quarry site 6 Comment
  LA104173  Aspidotis californica Kei Nakai; T. Thomas, J. Dice, B. Gustaffson 1983-5-12 1030 Los Angeles SANTA MONICA MOUNTAINS, Zuma Canyon, S of Newton Canyon on W-side of creek. 274 Comment
  SD82455  Aspidotis californica F. A. MacFadden 1931-3-29 2607 Los Angeles Tuna Canyon, Verdugo Hills Comment
  UC450864  Aspidotis californica Fay A. MacFadden 1931-3-29 2607 Los Angeles Tuna Canyon; Verdugo Hills Comment
  CHSC14161  Astragalus didymocarpus L. M. Mayer; I. J. Mayer 1974-4-10 152 Los Angeles In field 50 ft n of Bouquet Canyon Rd. - 1/4 mi of its intersection with Vasquez Canyon Rd. Comment
  IRVC27972  Astragalus didymocarpus A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26134 Los Angeles Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam Western San Gabriel Mtns. 488 Comment
  RSA725762  Astragalus didymocarpus A. C. Sanders 2003-5-1 26259 Los Angeles Western San Gabriel Mtns.: SE slopes of Castaic Mesa above Charlie Canyon, east of Lake Hughes Rd. and ESE of the filtration plant, Newhall Ranch property. 396 Comment
  JEPS54624  Astragalus didymocarpus var. didymocarpus Frank W. Peirson 1920-3-28 2102 Los Angeles Tujunga Tujunga (on low hill road crosses at foot of canyon) 457 Comment
  LA204946  Astragalus douglasii var. douglasii H. Anderson; 1932-5-9 sn Los Angeles Robinson Ranch near Sandberg [on old US 99, S of County Rd N8] Comment
  RSA640280  Astragalus gambelianus R. F. Thorne 1971-5-18 41365 Los Angeles Santa Catalina Island: White's Landing. 31 Comment
  RSA680197  Astragalus lentiginosus var. antonius Valerie L. Soza, Naomi Fraga 2003-6-13 1672 Los Angeles Blue Ridge, ca. 0.5 mile southeast of Blue Ridge Electronic Site/''Frost'' summit, alongside FS road 3N06. 2569 Comment
  RSA114362  Astragalus lentiginosus var. variabilis Percy C. Everett 1956-5-9 21564 Los Angeles Mojave Desert, 6 miles S of Lancaster along Highway 6. 762 Comment
  SBBG12323  Astragalus miguelensis P. H. Raven 1962-7-11 18012 Los Angeles Wilson Cove 60 Comment
  UCR58306  Astragalus trichopodus J. A. Adams 1963-4-25 11 Los Angeles San Jose Hills, Diamond Bar Ranch. 305 Comment
  RSA415723  Astragalus trichopodus var. lonchus Reid V. Moran 1941-2-23 603 Los Angeles NW of Wilson's Harbor, on rocky slope, South Catalina Island. Comment
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Mar 23 2009
  RSA415739  Astragalus trichopodus var. lonchus E. A. Purer, Freda Detmers 1931-3-19 s.n Los Angeles Los Angeles; along Manchester Ave near Vermont Comment
  SBBG3259  Astragalus trichopodus var. lonchus H. and M. Dearing 1940-2-13 4529 Los Angeles 25 mi E of Oxnard Comment
  UC1234758  Astragalus trichopodus var. lonchus Peter H. Raven 1962-5-20 17794 Los Angeles Middle Canyon 2.9 mi above the Ranch (Santa Catalina Island); , Middle Canyon 243 Comment
  IRVC26206  Astragalus trichopodus var. phoxus A. C. Sanders 2003-5-1 26255 Los Angeles SE slopes of Castaic Mesa above Charlie Canyon, east of Lake Hughes Rd. and ESE of the filtration plant, Newhall Ranch property Western San Gabriel Mtns. 396 Comment
  RSA598861  Athysanus pusillus Steve Boyd, Timothy S. Ross 1997-3-21 9237 Los Angeles Liebre Mountains, Portal Ridge, upper Broad Canyon, ca. 1 mile east of VABM King and 1.2 miles east of the junction of Forest Service Roads 7N07 and 7N07A, along the ridgeline dividing Bleich Canyon and Broad Canyon. 1195 Comment
  SFV22060  Athysanus pusillus V. Soza, L. Gross, B. Hogshead 2001-4-18 1164 Los Angeles Verdugo Mountains Verdugo Mountains. Ridgetop above McDonald Creek. North-facing upper slope. 427 Comment
  CAS-BOT-BC334477  Atriplex amnicola R. E. Riefner, Jr. 2013-1-5 13 -9 Los Angeles Los Angeles, Dockweiler State Beach, vicinity Vista Del Mar Blvd. at Imperial Hwy 14 Comment
  UCR161203  Atriplex argentea T. B. Salvato, Melissa Clemons 2005-9-27 1225 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
  UCR280469  Atriplex argentea var. expansa Onkar Singh 2015-8-2 5550 Los Angeles Mojave Desert, Antelope Valley, 6 km WNW of Lancaster, margins on 30th St West, between Avenue F and Avenue G 714 Comment
  UC1234801  Atriplex argentea var. mohavensis Peter H. Raven 1962-7-10 17964 Los Angeles above Wilson Cove (summit of San Clemente Island); , above Wilson Cove 137 Comment
  POM158314  Atriplex californica M. B. Dunkle 1928-4-29 1894 Los Angeles Little Harbor. 5 Comment
  HSC35982  Atriplex canescens Thomas W. Nelson, Jane Nelson, James Nelson 1975-8-19 2180 Los Angeles Beside Hwy. 5, W of junction with Hwy. 138 915 Comment
  RSA65361  Atriplex canescens F. W. Peirson 1921-11-11 2598 Los Angeles Lower Bouquet Canyon. Comment
  UC1595445  Atriplex canescens Tim Ross 1992-7-10 6687 Los Angeles 6 degrees N and 2520 m distant from Thorn Peak (Upper Big Tujunga Canyon along UBTC Road, San Gabriel Mountains); San Gabriel Mountains, Upper Big Tujunga Canyon 1085 Comment
  UCR203225  Atriplex canescens R. G. Swinney 2005-7-21 8321 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
  POM278671  Atriplex canescens subsp. canescens Grant D. Brown 1949-11-7 423 Los Angeles 6 mi. W of Jackson Lake on Big Pines-Valyermo Road 1706 Comment
  CAS-BOT-BC168278  Atriplex canescens var. canescens Roxana S. Ferris 1918-6-12 932 Los Angeles In vacant lot, Lancaster Comment
  LA204700  Atriplex canescens var. canescens Harlan Lewis; 1942-11-29 250 Los Angeles Little Rock Comment
  CAS-BOT-BC170024  Atriplex confertifolia Le Roy Abrams; E. A. McGregor 1908-6-24 416 Los Angeles Near Willow Springs, Antelope Valley Comment
  SEINET3156331  Atriplex leucophylla S. B. Parish Los Angeles Ballona; sea coast Comment
  SEINET4135319  Atriplex nummularia Philip A. Munz 1932-8-31 12817 Los Angeles Playa del Rey.; 0 Comment
  RSA607704  Atriplex prostrata Scott D. White 1997-11-5 6013 Los Angeles Malibu Coast: Mouth of Trancas Cyn., north of Pacific Coast Hwy. 7 Comment
  SBBG118707  Atriplex semibaccata O. Mistretta 1992-4-5 179 Los Angeles Guds Comment
  POM122828  Atriplex semibaccata Marcus E. Jones 1926-9-9 s.n. Los Angeles San Clemente Island. Comment
  POM18432  Atriplex semibaccata P. A. Munz 1923-4-12 6783 Los Angeles San Clemente Island: Wilson s Cove. Comment
  UC557708  Atriplex semibaccata Nell Murbarger May, 1936 211 Los Angeles San Clemente Island San Clemente Island (over entire island) Comment
  UCR125946  Atriplex serenana var. serenana A. C. Sanders, Mark Elvin 2002-6-19 25203 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 366 Comment
  CATA3511  Atriplex suberecta Julia Parish, Benjamin Dion, Michael Thomas, Nathalie Cartan 2017-12-14 044 Los Angeles Santa Catalina Island: Pacific side; China Point watershed before cliff at end of Bombing Range Road 250 Comment
  RSA652771  Avena barbata Monica Acosta 1998-5-14 8 Los Angeles The Center for Regenerative Studies, South of California State Polytechnic University. 225 Comment
  UCR223020  Avena barbata R. G. Swinney 2009-5-5 10626 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  SEINET4342866  Avena barbata G. B. Grant 1904-4-16 87 Los Angeles Los Angeles Comment
  RSA0034488  Azolla filiculoides Philip R. Brown 1970-9-24 s.n. Los Angeles Canon de Lana, L.A. Pierce College, Woodlamd Hills. 274 Comment
  CHSC55840  Baccharis emoryi L. P. Janeway 1988-7-24 3162 Los Angeles Puente Hills, between Whittier and La Puente. Low in Arroyo San Miguel. 175 Comment
  SD85097  Baccharis glutinosa E. R. Blakley 1961-9-24 4775 Los Angeles Santa Catalina Island: canyon upstream from Ben Weston Ranch 14 Comment
  RSA0008314  Baccharis malibuensis Carl Wishner 1991-10-30 1996 Los Angeles Santa Monica Mts. Cr. drainage, on divide between Soka Univ. and Cottontail Ranch properties, adjacent to Las Virgenes Cyn Rd. 243 Comment
  POM350397  Baccharis pilularis Anstruther Davidson 1905-10 1452 Los Angeles Hollywood Hills Comment
  POM350445  Baccharis plummerae Anstruther Davidson 1891-9-10 2015 Los Angeles Topanga Canyon Comment
  POM350347  Baccharis salicifolia F. R. Fosberg 1931-3-23 4330 Los Angeles Hamilton Canyon, Santa Calalina Island 20 Comment
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Jun 5 2014
  RSA483725  Baccharis salicifolia Richard Noyes, L. Arnseth 1988-4-30 519 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Dry drainage bed 100 meters east of Thompson Creek Dam. 500 Comment
  RSA715364  Baccharis salicifolia Sandra Murcia, Gregg Miller 2006-3-10 s.n. Los Angeles Palos Verdes Peninsula, NW corner of the intersection of Crestridge Road and Crenshaw Boulevard in the city of Rancho Palos Verdes 305 Comment
  UCR258963  Baccharis salicifolia R. G. Swinney 2010-2-27 11747 Los Angeles San Gabriel Mountains/Verdugo Mountains, 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
  UCSB10454  Baccharis salicifolia Lloyd, Robert 1959-2-27 Los Angeles 1/2 mile below dam in San Dimas Canyon, stream bed on west side of San Dimas Canyon Road; San Gabriel Mt. Range; Pacific Ocean drainage area 365 Comment
  UC566707  Baileya pleniradiata H. L. Mason 1926-4-27 3064 Los Angeles 30 mi w of Victorville Comment
  CAS-BOT-BC100026  Balsamorhiza deltoidea Ernest C. Twisselmann 1959-6-2 5319 Los Angeles Summit of Liebre Mountain 1638 Comment
  RSA226132  Berula erecta R. F. Thorne 1971-6-17 39883 Los Angeles 0.7 mile W of Soledad Station, Soledad Canyon, N slope of San Gabriel Mountains; wet, sandy flat along Santa Clara River. 610 Comment
  JEPS32543  Bidens frondosa Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco Comment
  UCR132312  Bidens pilosa John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one 381 Comment
  LA31647  Bidens pilosa Peter H. Raven; 1959-10-10 14617 Los Angeles Santa Monica Mountains, Westwood, UCLA campus 129 Comment
  UC905459  Bloomeria crocea F. R. Fosberg 1931-4-10 S 4554 Los Angeles Avalon Canyon Santa Catalina Island 130 Comment
  CAS-BOT-BC482056  Bloomeria crocea var. crocea Louis C. Wheeler 1932-4-30 672 Los Angeles Near UCLA Campus W Los Angeles 137 Comment
  POM1683  Bloomeria crocea var. crocea Philip A. Munz 1918-5-19 2271 Los Angeles Pomona. Comment
  CAS-BOT-BC14580  Boechera pulchra Lincoln Constance 1941-4-10 2800 Los Angeles Antelope Valley near Neenach, 13.5 miles west of Lancaster. 914 Comment
  SDSU21080  Boechera pulchra Ian Cain, Ryan Gilmore 2010-4-15 1389 Los Angeles West of Palmdale along Elizabeth Lake Road 4.21km west north west from intersection with Highland Avenue 936 Comment
  RSA0129211  Boechera pulchra LeRoy Gross 2005-5-3 2235 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  POM50052  Boisduvalia glabella L. R. Abrams 1901-6-6 1740 Los Angeles Ballona Creek, Mesmer. Comment
  SBBG118868  Borago officinalis S. D. White with J. Green 2004-4-23 10227 Los Angeles Pasadena, Arroyo Seco at La Loma Rd bridge crossing 213 Comment
  RSA708661  Bowlesia incana Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-26 1183 Los Angeles Northwestern edge of Verdugo Mts, north of La Tuna Canyon. Near junction of Green Verdugo Fire Road from 210 Fwy and road to Green Verdugo Reservoir. 473 Comment
  SD252266  Bowlesia incana Steven A. Junak 1999-5-20 Sca 945 Los Angeles Santa Catalina Island: just S of Cottonwood-Black Jack Road. 305 Comment
  UC1971141  Bowlesia incana Louis C. Wheeler 1969-5-4 Los Angeles San Gabriel Mountains: East side Little Tujunga Canyon, 3/4 mile south southeast Herreres Ranch. Comment
  UCR258524  Boykinia rotundifolia R. G. Swinney 2010-8-9 13472 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, Camp Sturtevant 1049 Comment
  CATA750  Brachypodium distachyon Mark L. Hoefs 1991-5-22 1279 Los Angeles Santa Catalina Island: Near road to Two Harbors in canyon southeast of Little Harbor 54 Comment
  RSA155832  Brachypodium distachyon P. H. Raven 1962-5-22 17825 Los Angeles Santa Catalina Island, above Emerald Bay 122 Comment
  RSA704711  Brachypodium distachyon Gary D. Wallace, C. Black, D. Cohen, R. Lavenburg 1983-6-29 2092 Los Angeles Santa Catalina Island: Twin Harbors area Marine Station. Comment
  SEINET10973537  Brassica campestris David B. Dunn 1937-3-14 Dunn UMO 40311 Los Angeles Palos verdes. Comment
  CAS-BOT-BC168645  Brassica nigra Jennifer H. Jones 2006-5-27 339 Los Angeles Transverse Ranges; Foothills of San Gabriel Mtns.: South Hills Park Glendora. E of Grand Avenue and S of Alosta Avenue 244 Comment
  POM307806  Brassica rapa Henry J. Ramsey, Henry J. Ramsey 1938-3-5 2754 Los Angeles Eaton Canyon Park, Altadena. Comment
  RSA0126401  Brassicaceae Henry J. Ramsey, Henry J. Ramsey 1937-3-21 2185 Los Angeles North Craig Ave., Altadena. Comment
  POM304838  Brickellia californica Henry J. Ramsey, Henry J. Ramsey 1937-9-2 214 Los Angeles 2 miles below Mt. Wilson. 1524 Comment
  CDA30226  Brickellia nevinii J. Dittes 2006-11-3 1428 Los Angeles Western Transverse Ranges; San Gabriel Mtns; Big Tujunga Canyon; ca. 2.4 air-miles S of Mt. McKinley, ca. 4.3 air-miles W of Big Tujunga Reservoir, ca. 3.4 air-miles NE of Mt. Gleason Jr. Highschool; slope north of Big Tujunga Canyon road about 1/2-way between Delta Flats Overlook and Trail Canyon Road. Comment
  JEPS30503  Brickellia nevinii Peter H. Raven and Henry J. Thompson 1959-10-31 14723 Los Angeles 5.8 mi n of Sunset Boulevard (Mandeville Canyon, Santa Monica Mountains); Santa Monica Mountains, Mandeville Canyon 365 Comment
  RSA652955  Brickellia nevinii A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23295 Los Angeles Santa Susana Mountains: Aliso Canyon Oil Field, Oat Mountain; Mormon, Limekiln & Aliso Cyn watersheds. 610 Comment
  SBBG66105  Brickellia nevinii R. Hoffmann 1927-8-31 Los Angeles W Bouquet Cyn Comment
  CAS-BOT-BC520431  Brodiaea filifolia Kathleen Stockwell 2006-5-28 s.n. Los Angeles San Gabriel Mtns. Foothills: Glendora, N of N end of N Loraine Ave. 377 Comment
  CAS-BOT-BC144331  Bromus L. R. Abrams 1929-3-14 12635 Los Angeles Hollywood. Comment
  UCD57681  Bromus arizonicus John Thomas Howell 1956-3-21 31124 Los Angeles Foothill Blvd. and Williams St. West of Claremont. Comment
  POM1269  Bromus carinatus D. L. Crawford, Otis Hiatt 1916-3-28 709 Los Angeles Santa Monica Mts, Topanga Canyon. Comment
  RSA0101378  Bromus carinatus Scott D. White 1998-6-4 6650 Los Angeles Castaic Lake Area: Grasshopper Cyn. watershed, between 1-5Fwy./Old Ridge Route and the Lake. Proposed North Lake Planned Community. 427 Comment
  RSA385302  Bromus carinatus H. L. Bauer 1929-3-20 s.n. Los Angeles Long Beach. Comment
  SD30977  Bromus carinatus Edith A. Purer 1931-2-21 163 Los Angeles Palos Verdes Hills; field Comment
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Jul 10 2010
  RSA707811  Bromus carinatus var. carinatus Naomi Fraga, Paul Morton 2004-5-18 1183 Los Angeles On ridgeline of Mount Hillyer, near summit. 1860 Comment
  RSA718063  Bromus carinatus var. carinatus R. G. Swinney 1997-8-19 5817 Los Angeles Antonio Peak (=Lookout Mtn.), ridge E of Cattle Canyon and W of the west fork of Bear Canyon. 2077 Comment
  UCR108642  Bromus carinatus var. carinatus L. C. Wheeler 1970-5-4 s.n. Los Angeles Altadena, 55 E. Pine Street Comment
  SD237260  Bromus catharticus R. G. Swinney 2009-4-13 10314 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: San Gabriel River under the Puente Largo railway bridge, .5 mi north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte. 184 Comment
  RSA127855  Bromus diandrus P. H. Raven 1959-4-4 13965 Los Angeles East of Zuma Beach, Santa Monica Mountains. 30 Comment
  RSA91369  Bromus diandrus F. W. Peirson 1918-04 1559 Los Angeles Altadena. Comment
  CAS-BOT-BC155584  Bromus grandis LeRoy Abrams 1902-6-29 2600 Los Angeles Summit of Mount Wilson. Comment
  RSA598078  Bromus grandis Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3773 Los Angeles San Gabriel Mountains. Ridgetop to the SW of Crystal Lake (ridge descending SSW from Mt. Islip). 1780 Comment
  RSA732910  Bromus hallii R. G. Swinney 1997-6-25 5630 Los Angeles San Gabrial Mtns.: west of Wrightwood, ca. 0.25 mi. east of Hwy 2, ca. 300 m N of Guffy Rd. (3N06) 2317 Comment
  UCR129887  Bromus hallii Victor Duran 1933-7-20 3521 Los Angeles San Gabriel Mtns., Buckhorn 1982 Comment
  UCD58830  Bromus hordeaceus Jack Delaini 1974-4-25 141 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. 365 Comment
  SEINET269295 Image available Bromus madritensis Scott D. White, Chet McGaugh 1995-5-9 3024 Los Angeles East edge of Santa Susana Mountains just west of San Gabriel Mountains 'Sunshine Canyon': west of San Fernando Road and I-5 Fwy, just SW of interchange w/SR 14 Fwy. 457 Comment
  RSA0112842  Bromus madritensis Steven A. Junak 1999-5-21 SCa- 964 Los Angeles Santa Catalina Island. At ridge just E of KBRt Radio Station, along S side of Airport Road, plants stop, on E side of KBRT Valley. 445 Comment
  SD230133  Bromus madritensis subsp. madritensis Louis C. Wheeler 1973-6-8 Los Angeles Los Angeles: SE of Alemeda St. & San Diego (405) Fwy, between Sepulveda Blvd. & 233 rd St. (L. A. Harbor Dept. , Classification Yard, E. of Dominguez Flood Control Channel). Comment
  UC2026501  Bromus madritensis subsp. madritensis Louis C. Wheeler 1975-6-8 s. n. Los Angeles SAN GABRIEL MOUNTAINS: ca. 1 mile E of mouth of Little Tujunga Canyon. Comment
  RSA0061133  Bromus madritensis subsp. rubens LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6838 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  UC1131219  Bromus madritensis subsp. rubens G. T. Nordstrom 1935-3-23 398 Los Angeles 1/2 mi w of Caswell's 914 Comment
  RSA177678  Bromus rubens R. F. Thorne, Percy C. Everett 1965-5-10 34454 Los Angeles Near Echo Lake, Santa Catalina Island 412 Comment
  RSA774258  Bromus rubens R. G. Swinney 2009-4-28 10545 Los Angeles summit of Mt. Emma 1585 Comment
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Mar 28 2014
  SEINET3923289  Bromus rubens Jack Delaini, Ken Zakar 1974-4-11 113 Los Angeles At mouth of canyon.; 0 366 Comment
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Jun 12 2015
  SEINET10518057  Bromus rubens Betty Venrick 1961-5-11 Venrick 575 Los Angeles Rancho Santa Ana Botanical Gardens. Mt. Range San Gabriel. Pacific slope. Aoil alluvial. Calif. chaparral. 335 Comment
  IRVC26169  Bromus sterilis A. C. Sanders, Mark A. Elvin 2003-6-18 26963 Los Angeles private dirt road along crest of range, above Salt Canyon Santa Susana Mountains, Western Transverse Range 976 Comment
  CAS-BOT-BC161408  Bromus tectorum I. Johnston 1917-5-6 1012 Los Angeles Evey Canyon mouth. Comment
  RSA771632  Bromus tectorum R. G. Swinney 2009-6-2 10996 Los Angeles East slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UCR141155  Bromus tectorum June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, proposed poppy park [north of Lancaster Road, Antelope Buttes area], Antelope Valley 976 Comment
  CATA447  Caesalpinia spinosa Sara L. Crockett, Janet Takara 1997-3-18 587 Los Angeles Santa Catalina Island: Upper Cape Canyon, S side of road, ca. 0.7 miles S of jct. of Cape Canyon and Mount Orizaba Roads 429 Comment
  UCR97793  Cakile maritima Scott D. White 1997-3-12 4732 Los Angeles Pacific Coast, Zuma Beach, mouth of Zuma Creek, E end of the County Beach. 8 Comment
  LA200783  Calandrinia breweri Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  UCR200035  Calandrinia breweri Valerie Soza, B. Hogshead 2003-4-23 1641 Los Angeles Transverse Ranges; Verdugo Mountains, Brand Park, ridgetop between Brand Canyon and Childs Canyon 595 Comment
  RSA466543  Calandrinia ciliata M. B. Dunkle 1929-4-21 2138 Los Angeles Santa Catalina Island: Rock Spring Canyon. Comment
  POM11362  Calandrinia ciliata F. L. Robinson 1921-3-20 17 Los Angeles Claremont. Comment
  RSA533942  Calandrinia ciliata Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5220 Los Angeles San Clemente Island: South-east end of island in the vicinity of Knob, 5100 ft. NW of Guds. 274 Comment
  RSA533992  Calandrinia ciliata Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5122 Los Angeles San Clemente Island: eastern escarpment, 1400 ft. SSE of Jack (not Jack Point), and 1350 ft. NW of the mouth of Larkspur Canyon. 145 Comment
  RSA251444  Callitriche marginata R. F. Thorne 1966-4-17 36088 Los Angeles San Clemente Island, small reservoir between Boulder & Horton, NE side of island. 488 Comment
  NY30086  Calocedrus decurrens T. S. Ross 1994-9-21 8319 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
  UCR88696  Calochortus Scott D. White 1995-10-19 3700 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  RSA68668  Calochortus albus Frank W. Peirson 1923-5-21 8605 Los Angeles Fish Canyon, San Gabriel Mountains. 610 Comment
  RSA679308  Calochortus catalinae Mark Elvin, Janet Takera, Mary Meyer, Shelia Shyler, Sarah Crockett 1997-3-16 368 Los Angeles Santa Catalina Island. Ridge top running due west of jct Divide Rd and road to Avalon. 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
  CAS-BOT-BC132483  Calochortus plummerae Alice Eastwood 1906-5-27 58 Los Angeles Garvanza Comment
  RSA9067  Calochortus plummerae R. Johnson 1931-06 3194 Los Angeles Verdugo Mountains: Tuna Canyon, Johnsons Ranch. 351 Comment
  UCD77255  Calochortus striatus Robert E. Preston 1998-6-19 1148 Los Angeles Lancaster, ca. 0.1 mi N of Avenue G, between railroad tracks and utility right-of-way. 705 Comment
  RSA639555  Calochortus venustus Louis C. Wheeler 1967-5-18 9656 Los Angeles Divide between Reynier and Placerita Canyon. 609 Comment
  RSA778572  Calochortus weedii var. intermedius David E. Bramlet, A. Rudalevige 2010-6-21 4723 Los Angeles Chino-Puente Hills region: Brea Canyon. Beside dirt access road 15 m W of the gate to Running Branch Road, 498 m E of Brea Canyon Road 263 Comment
  UCR281148  Calyptridium monandrum R. G. Swinney 2014-4-30 16255 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
  UCR281984  Calyptridium monandrum R. G. Swinney 2014-4-17 16088 Los Angeles San Gabriel Mountains, SW of Littlerock, 0.5-0.8 mi. east of Cheseboro Rd., 100-200 m south of CA Aqueduct, 0.66 mile due S of Hwy. 138/Pearblossom Hwy 957 Comment
  UCR240243  Calystegia macrostegia Dan S. Cooper 2012-9-6 912- 67 Los Angeles Los Angeles Basin, Culver City, Baldwin Hills Scenic Overlook 129 Comment
  LA50080  Calystegia macrostegia subsp. intermedia Virginia Mars; 1951-3-30 sn Los Angeles Santa Monica Mountains, Westwood Blvd., U.C.L.A. Campus Comment
  RSA533499  Calystegia macrostegia subsp. intermedia Tim Ross 1991-3-9 4196 Los Angeles Whittier Hills (Puente Hills, pro parte): dry ridge at head of un-named canyon draining ENE 305 Comment
  RSA394924  Calystegia macrostegia subsp. macrostegia Blanche Trask 1901-05 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  RSA397146  Calystegia malacophylla subsp. pedicellata Jean Carnine 1932-5-1 15290 Los Angeles Malibu Lakes. Comment
  RSA643103  Calystegia occidentalis subsp. fulcrata Orlando Mistretta 1992-9-4 790 Los Angeles Yerba Buena Trail; Tujunga Ranger District. 1356 Comment
  RSA680398  Calystegia peirsonii Michael Honer, Dylan Hannon 2003-7-1 1836 Los Angeles Tapia Canyon area, ca. 2 - 3 air miles west of I-5 Freeway junction with Ridge Rt. Rd. 396 Comment
  SBBG70391  Camelina microcarpa E. Rockwell -May-1920 127 Los Angeles Glendale 182 Comment
  CHSC57475  Camissonia L. Mayer; I. Mayer 1974-4-10 166 Los Angeles Hwy 18 ca. 1 mi nw of its junction with Hwy 138. Comment
  RSA729513  Camissonia R. G. Swinney 1999-7-5 7543 Los Angeles San Gabriel Mtns.: Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines highway at a point 0.5 mi. west of junction of Hwy 2. 1866 Comment
  RSA746861  Camissonia Orlando Mistretta 1992-5-21 367 Los Angeles Transverse Ranges; San Gabriel Mtns region: Right Star Mine, S of Acton. Comment
  RSA720436  Camissonia bistorta Naomi S. Fraga, Anh Nguyen 2006-6-5 1691 Los Angeles Along Knapp Ranch Road near Knapp ranch. 1098 Comment
  IRVC29099  Camissonia boothii A. C. Sanders 2003-6-20 26994 Los Angeles "Off-haul Canyon" between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and ca. 1 km NNW of Mayo Spur, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 305 Comment
  UCR222758  Camissonia boothii R. G. Swinney 2009-4-29 10598 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
  UCR179257  Camissonia californica R. G. Swinney 1989-4-26 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park, Big Dalton Canyon 366 Comment
  RSA0115693  Camissonia campestris A. C. Sanders 2008-4-11 34841 Los Angeles Transverse Range/Mojave Desert: hills south of Hwy 138, c. 1 mile SW of Neenach School, west of a N-S line through VABM Pine. 995 Comment
  RSA316353  Camissonia campestris subsp. campestris Robert F. Thorne, Walter Wisura, Susanne Granger, Pamela Burton 1982-4-20 54965 Los Angeles 2.5 miles S of Llano 1159 Comment
  RSA454714  Camissonia campestris subsp. campestris N. C. Cooper 1948-4-21 2682 Los Angeles Littlerock. 762 Comment
  RSA158211  Camissonia cheiranthifolia subsp. cheiranthifolia Peter H. Raven 1962-5-8 17627 Los Angeles On dunes on western side of island opposite Wilson Cove, San Clemente Island. 30 Comment
  RSA449028  Camissonia ignota Louis C. Wheeler 1932-4-10 600 Los Angeles Portal Ridge 8 mi. W Palmdale. 1037 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
  UCR105726  Camissonia lewisii L. C. Wheeler 1974-4-4 s.n. Los Angeles Pacific slope, West end of the Los Angeles International Airport [LAX] 61 Comment
  RSA748409  Camissonia pallida Justin M. Wood 2009-6-1 783 Los Angeles Mill Creek Summit, roadisde turnout on Angeles Forest Hwy, 0.75 NE of Mt. Gleason Rd. junction. 1399 Comment
  RSA771590  Camissonia strigulosa R. G. Swinney 2009-5-28 10959 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  SBBG107229  Camissoniopsis guadalupensis subsp. clementina J. Rebman, J. Dunn 1996-4-29 3104 Los Angeles Eel Cove and Eel Cove Cyn 50 Comment
  SD130302  Camissoniopsis hirtella J. Hirshberg, T. Glenn 1990-5-21 Los Angeles Angeles National Forest, near Agua Dulce. 1219 Comment
  LA91498  Camissoniopsis intermedia Bruce Douglas Clayton; Greg Shaw 1972-4-15 98 Los Angeles Santa Monica Mountains, Temescal Canyon, Mountain Park Research Campus, firebreak, west slope of BDC peak 586 Comment
  UCR78151  Capsella bursa-pastoris Wandalee Thompson 1964-4-8 25 Los Angeles Transverse Range; Liebre Mtns., Cottonwood Campground, Elizabeth Lake Canyon Road, Angeles National Forest. 808 Comment
  SD69467  Cardamine californica Robert F. Thorne 1966-4-7 35962 Los Angeles Santa Catalina Island; at bottom of canyon, Cherry Valley. 60 Comment
  UCR137098  Cardamine californica June Latting 1958-3-3 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., 3 miles west of Seminole Hot Springs on Mulholland Hwy 610 Comment
  RSA608258  Cardamine californica var. integrifolia L. C. Wheeler 1968-5-24 s.n. Los Angeles San Gabriel Mountains: Northwest slope of Smith Mountain, along Bear Creek Trail. 1280 Comment
  CAS-BOT-BC384775  Cardionema ramosissimum Peter H. Raven; Henry J. Thompson 1959-6-4 14338 Los Angeles Santa Monica Mountains. Point Dume 42 Comment
  CAS-BOT-BC17659  Carex alma Carl B. Wolf 1936-5-27 7837 Los Angeles San Gabriel Mountains, Indian Canyon Camp. 2 miles off Soledad Canyon. 914 Comment
  CAS-BOT-BC177175  Carex alma Steve Boyd; Amber Maurice 2004-5-18 11336 Los Angeles Transverse Ranges; Liebre Mountains region: Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain 610 Comment
  JEPS45918  Carex alma Louis C. Wheeler 1933-7-4 1897 Los Angeles San Dimas Canyon San Gabriel Mts., San Dimas Canyon 533 Comment
  UCR270913  Carex alma R. G. Swinney 2011-5-26 14875 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
  SEINET11629422  Carex alma C. V. Braun 1975-1 144 Los Angeles 1.4 mi N NW of Drinkwater Reservoir, San Francisquito Canyon Comment
  CAS-BOT-BC19230  Carex barbarae Ernest Braunton 1903-1-20 802 Los Angeles Oak Knoll. Comment
  RSA0105019  Carex leptopoda R. G. Swinney 2011-6-22 15275 Los Angeles San Gabriel Mountains: Charlton Flat Picnic Area, along East Fork Alder Creek, 0.2 miles west of Angeles Crest Hwy. 1598 Comment
  POM1491  Carex multicaulis Le Roy Abrams 1901-07 1885 Los Angeles San Gabriel Mountains: West Fork of San Gabriel River. Comment
  RSA509702  Carex multicaulis L. C. Wheeler 1967-8-9 10425 Los Angeles San Gabriel Mountains: Saddle between Little Bear Creek and Devil's Canyon. 1981 Comment
  CAS-BOT-BC32077  Carex multicaulis Robert F. Thorne; M. Z. Thorne 1967-7-19 37148 Los Angeles San Gabriel Mts. Angeles National Forest. Crystal Lake Recreation area. 1554 Comment
  RSA641429  Carex praegracilis L. C. Wheeler 1967-7-23 10153 Los Angeles San Gabriel Mountains: Mojave Desert Slope: Barrel Spring. Comment
  POM290226  Carex subfusca Victor Duran 1933-7-21 3524 Los Angeles Buckhorn, San Gabriel Mts. 1981 Comment
  CATA121  Carex triquetra Sarah Ratay, Lauren Danner 2006-3-24 93 Los Angeles Santa Catalina Island: In Airport Burn near photo point 8 321 Comment
  PASA995  Castilleja Ruth M. Evans 1931-3-15 Los Angeles Lone Hill, Glendora Comment
  CDA1002  Castilleja affinis D. G. Kelch 1991-3-17 1304 Los Angeles Santa Catalina Is.; 1.5 km N of Avalon. 0 Comment
  RSA187750  Castilleja affinis Robert F. Thorne 1966-4-5 35831 Los Angeles Santa Catalina Island: above stream in Cottonwood Canyon. 107 Comment
  LA52007  Castilleja affinis W. O. Griesel; 1936-3-28 s.n. Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon Comment
  LA52012  Castilleja affinis J. Ewan; 1930-5-30 s.n. Los Angeles SANTA MONICA MOUNTAINS, Cahuenga Hills, above Hollywood Lake. 304 Comment
  SBBG16861  Castilleja affinis subsp. affinis K. A. Wilson 1961-3-7 945 Los Angeles Mulholland Hwy, ca. 3 mi W of Las Virgenes Rd Comment
  JEPS3783  Castilleja applegatei subsp. martinii I. W. Clokey and E. G. Anderson 1935-5-9 6899 Los Angeles San Dimas Canyon Comment
  RSA233545  Castilleja applegatei subsp. martinii Robert F. Thorne, C. W. Tilforth 1972-6-29 42085 Los Angeles Angeles National Forest: Summit of Table Mountain above Big Pines. 2287 Comment
  RSA448688  Castilleja applegatei subsp. martinii M. D. Proctor 1944-4-9 825 Los Angeles Santa Anita Canyon Comment
  RSA0118845  Castilleja exserta subsp. exserta A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-14 32089 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
  UCR38797  Castilleja gleasoni T. P. Krantz 1980-7-15 s.n. Los Angeles San Gabriel Mtns., Upper Chilao Flats Comment
  RSA515116  Castilleja grisea Aaron Liston, Orlando Mistretta, Rieseberg 1989-4-28 796 -2 Los Angeles San Clemente Island: Horse Beach Canyon, S end of island 18 Comment
  HSC20575  Castilleja minor subsp. spiralis C. S. Apperson 1967-6-8 Los Angeles 4 mi. up Ruby Cyn. from Elizabeth Lake Cyn. Rd. Comment
  RSA191365  Castilleja minor subsp. spiralis Robert F. Thorne, M. Z. Thorne 1967-7-19 37182 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Cienega Springs, above Crystal Lake Recreation Area. 1982 Comment
  PASA987  Castilleja montana Frank W. Peirson 1921-7-17 Los Angeles Praire Fork of the San Gabriel River 2133 Comment
  SBBG66941  Castilleja plagiotoma R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk Comment
  RSA0091341  Caulanthus amplexicaulis R. G. Swinney 2011-5-12 14690 Los Angeles San Gabriel Mountains: Aliso Canyon Creek, 50-100 m west of Aliso Cyn. Road, 0.5 miles W of Angeles Forest Hwy, west of mouth of Cabin Cyn. Creek. 1183 Comment
  UC592156  Caulanthus cooperi H. L. Mason 1932-4-1 6857 Los Angeles one mi e Lancaster; e of Lancaster Comment
  RSA253136  Ceanothus arboreus Gary D. Wallace 1975-3-23 1406 Los Angeles Santa Catalina Island, at Black Jack Mine, along road, steep slope NNW slope of Black jack Mine 427 Comment
  RSA25762  Ceanothus arboreus Carl B. Wolf 1941-6-24 10890 Los Angeles About 2 mi. from Avalon on road to the isthmus. Comment
  CAS-BOT-BC48743  Ceanothus crassifolius Geo. B. Grant 1901-1-1 8988 Los Angeles So. Calif. From Mt. Lowe, S. Cal. Comment
  CAS-BOT-BC48758  Ceanothus crassifolius John Thomas Howell 1928-2-9 3325 Los Angeles on Trail between Sierra Madre and Santa Anita Canyon, San Gabriel Mts. Comment
  POM8839  Ceanothus crassifolius P. A. Munz, R. D. Harwood 1920-03 4300 Los Angeles 3 miles north of Claremont, Cobal's Canyon. 457 Comment
  RSA398867  Ceanothus crassifolius Elbert Benjamine 1929-2-10 s.n. Los Angeles Arroyo Seco, above Pasadena. 915 Comment
  UCSB36648  Ceanothus crassifolius Brownell, Kathleen 1980-5-18 Los Angeles On Mt. Baldy Rd., 1 mi. N of Hwy 83; San Gabriel Mountains 914 Comment
  UCSB50693  Ceanothus crassifolius Green, Lisa 1980-2-15 Los Angeles About 0.5 mile north of the Simi Valley Fwy between DeSoto Ave. and Canoga Ave. 365 Comment
  RSA747370  Ceanothus greggii R. G. Swinney 2008-6-10 8978 Los Angeles Devils Punchbowl Co. Park, peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1933 Comment
  UCR95549  Ceanothus greggii var. vestitus L. C. Wheeler 1967-5-9 9409 Los Angeles San Gabriel Mtns., Aliso Canyon, east of Acton, c. 2 mi. downstream from Wagonwheel Ranch 945 Comment
  CAS-BOT-BC50150  Ceanothus integerrimus Geo. B. Grant 1904-5-17 149 Los Angeles Mt. Wilson, So. Calif. 1828 Comment
  RSA587287  Ceanothus integerrimus Tim S. Ross, S. D. Boyd 1990-5-17 2550 Los Angeles NorthFork Mill Creek: along Forest Service Road 3N27, 8.7 road miles N of Big Tujunga Canyon Rd. ca. 470m N of Plane Triagulation Point (4240 ft. ) 1287 Comment
  UCR140947  Ceanothus integerrimus June Latting 1973-6-6 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek, above Fenner Fire Camp 1707 Comment
  RSA0016929  Ceanothus integerrimus Kelly Middleton, David Middleton 1988-5-8 37 Los Angeles Glendora Ridge Road, 5.7 miles west of Mt. Baldy Road intersection. Roadside collection. 1220 Comment
  RSA0106115  Ceanothus leucodermis R. G. Swinney 2011-3-15 14071 Los Angeles San Gabriel Mountains; Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 235 Comment
  RSA399748  Ceanothus leucodermis Louis C. Wheeler 1932-4-16 637 Los Angeles W side Santa Anita Canyon, San Gabriel Mountains. 854 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
  SD37628  Ceanothus megacarpus Edith A. Purer 1931-5-8 Los Angeles Griffith Park Comment
  RSA161090  Ceanothus megacarpus var. insularis Peter H. Raven 1962-5-20 17783 Los Angeles Santa Catalina Island, Airport Road on main ridge about 1.5 miles west of Middle Ranch turn-off. Comment
  RSA305375  Ceanothus megacarpus var. insularis D. C. Michener, John Dourley, B. Haner, D. Pettys, M. Hoefs 1983-6-6 4290 Los Angeles Santa Catalina Island. Along main road from Avalon to airport. 2.3 miles from airport. Comment
  CAS-BOT-BC51432  Ceanothus megacarpus var. megacarpus Henry J. Thompson 1959-3-22 1867 Los Angeles 1 mile North of Tapia Park, Las Virgenes Road, North of Malibu Canyon 213 Comment
  UCSB3924  Ceanothus megacarpus var. megacarpus Haller, Norman 1953-3-29 Los Angeles 2 blks. West of Sepulveda on little dirt road off Mulholland 426 Comment
  CAS-BOT-BC50481  Ceanothus oliganthus F. A. Mac Fadden 1935-3-12 s.n. Los Angeles San Gabriel Canyon Comment
  CAS-BOT-BC50496  Ceanothus oliganthus W. R. Dudley 1907-12-1 s.n. Los Angeles Saw-pit Canyon (near Monrovia) Comment
  RSA398903  Ceanothus oliganthus Franklin W. Klepinger 1938-3-26 s.n. Los Angeles Santa Susana Pass. Comment
  RSA783283  Ceanothus oliganthus J. D. Olmsted 1959-3-27 320 Los Angeles San Dimas Creek. 0.25 mi S of gaging station below San Dimas ranger station on east bank of stream. 427 Comment
  RSA585544  Ceanothus oliganthus var. oliganthus Tim S. Ross 1992-4-21 6226 Los Angeles Head of Horse Canyon: N side of Horse Canyon Saddle. 963 Comment
  CAS-BOT-BC63308  Ceanothus spinosus John Thomas Howell 1928-3-4 3375 Los Angeles Santa Monica Mts., ne. of Pacific Palisades. Comment
  LA52232  Ceanothus spinosus A. M. Johnson; 1934-5-4 4459 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  SFV9208  Ceanothus spinosus N. J. Manuwal 1972-3-5 169 Los Angeles Santa Monica Mountains Topanga Canyon. Comment
  UC1071357  Ceanothus spinosus F. H. Raymond 1930-1-13 23 Los Angeles head Corral Canyon; Calabasas Quadrangle 426 Comment
  UCR133584  Ceanothus spinosus Tema S. Clare 1929-2-25 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Santa Monica Canyon 305 Comment
  CDA1868  Cenchrus longispinus T. C. Fuller 1958-8-6 3960 Los Angeles West of 90th Street East, 1/4 mile south of Avenue I, 9 miles east of Lancaster. 0 Comment
  RSA0069439  Centaurea melitensis R. G. Swinney 2010-6-8 13194 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
  RSA0087089  Centaurea melitensis R. G. Swinney 2010-5-4 12565 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  RSA772394  Centaurea melitensis R. G. Swinney 2009-5-8 10697 Los Angeles Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  SEINET181907  Centaurium venustum Unknown 1929-7-1 4574 Los Angeles Mandeville Canyon, Santa Monica Mountians. 200 Comment
  UC61538  Centaurium venustum Ernest Braunton Jun 1903 892 Los Angeles Glendale to Burbank Comment
  RSA533449  Centranthus ruber Tim S. Ross 1991-4-21 4498 Los Angeles Whittier Hills (Puente Hills, pro parte): E-facing road embankment along Turnbull Canyon Road. 274 Comment
  CAS-BOT-BC179814  Centrostegia thurberi Roxana S. Ferris 1918-6-12 940 Los Angeles 5 miles S of Lancaster Comment
  SBBG62299  Centrostegia thurberi R. Hoffmann 1929-5-20 Los Angeles Harold Comment
  RSA600888  Ceratonia siliqua L. C. Wheeler 1945-11-25 6166 Los Angeles San Marino. La Presa Drive, 1/2 block north of Huntington Drive. Comment
  POM275799  Cercocarpus betuloides Floyd L. Martin 1948-8-3 360 Los Angeles 100 yds. N. of Foothill Blvd. road to Camp Baldy, east of Claremont. 366 Comment
  POM275800  Cercocarpus betuloides Floyd L. Martin 1948-8-3 358 Los Angeles 100 yds. N. of Foothill Blvd. road to Camp Baldy, east of Claremont. 366 Comment
  CAS-BOT-BC142169  Cercocarpus betuloides var. betuloides Le Roy Abrams; E. A. McGregor 1908-7-5 674 Los Angeles Lone Pine Canyon, desert slopes of the San Gabriel Mountains 1066 Comment
  LA47759  Cercocarpus betuloides var. betuloides Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  RSA653897  Cercocarpus betuloides var. betuloides Valerie L. Soza, Shalini Deo, Stephen Dreher 2000-4-27 821 Los Angeles Verdugo Mountains, south side: Stough Canyon, Stough Park, above parking lot SW of intersection of Walnut Avenue and Lockheed View Drive, W of De Bell Municipal Golf Course, SE of Starlight Theater. 366 Comment
  UCR271081  Cercocarpus betuloides var. betuloides R. G. Swinney 2011-4-28 14547 Los Angeles San Gabriel Mountains, north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 963 Comment
  CAS-BOT-BC137237  Cercocarpus betuloides var. blancheae Peter H. Raven 1962-5-21 17800 Los Angeles Santa Catalina Island: Bullrush Canyon, about opposite ranch in Middle Canyon 213 Comment
  LA88756  Cercocarpus betuloides var. blancheae Karen Searcy; 1967-1-28 34 Los Angeles Santa Catalina Island, Santa Catalina Island, near summit of E Mountain Comment
  UC729520  Cercocarpus betuloides var. blancheae Carl B. Wolf 1932-5-13 3619 Los Angeles Hamilton Canyon, along ridge fence-line Hamilton Canyon; Santa Catalina Island, Hamilton Canyon 243 Comment
  CAS-BOT-BC143813  Cercocarpus ledifolius var. ledifolius Joseph Andorfer Ewan; Nesta Ewan 1936-8-14 10069 Los Angeles Crest of ridge E. of Mt. Hawkins summit, San Gabriel Mts. 2499 Comment
  SEINET4689910  Cercocarpus minutiflorus Leila M. Shultz 1980-4-28 4031 Los Angeles Rancho Santa Ana Botanical Garden, San Gabriel Mountains Comment
  CATA1780  Cercocarpus traskiae Benjamin E. Carter, Amy Catalano, John R. Clark 2012-8-2 6920 Los Angeles Santa Catalina Island: Wild Boar Gully 172 Comment
  JEPS45570  Cercocarpus traskiae Blanche Trask 1909-9-4 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC279517  Chaenactis artemisiifolia Samuel B. Parish 1887-6-1 1933 Los Angeles Glendale, near Los Angeles Comment
  UC1595347  Chaenactis artemisiifolia Tim Ross 1992-5-17 6360 Los Angeles 740 m distant from the mouth of Shoemaker Canyon; San Gabriel Mountains, E Fork of the San Gabriel River 698 Comment
  SFV16017  Chaenactis artemisiifolia A. M. Orcino, A. Sutton 1994-5-18 25 Los Angeles Santa Monica Mountains Calabasas. Stunt Road, 0.45 miles east from junction with Mulholland Highway. 796 Comment
  CAS-BOT-BC277359  Chaenactis glabriuscula var. glabriuscula Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-25 3831 Los Angeles San Gabriel Mountains. Ridgetop to the NW of Crystal Lake [ridge descending SSW from Mt. Islip] 2194 Comment
  POM6048  Chaenactis glabriuscula var. glabriuscula I. M. Johnston 1918-5-12 1954 Los Angeles San Antonio Mountains. San Antonio Canyon 915 Comment
  CAS-BOT-BC277831  Chaenactis santolinoides Frank W. Peirson 1921-6-18 2710 Los Angeles Divide north of Mt. Islip, San Gabriel Mts. 2042 Comment
  RSA152484  Chaenactis santolinoides R. C. Bacigalupi, G. T. Robbins, L. R. Heckard 1953-6-14 4189 Los Angeles Upper slopes of the So. Fork of Little Rock Creek Canyon, higher north slopes of the San Gabriel Mts, Angeles National Forest. 1554 Comment
  SBBG119376  Chaenactis stevioides R. F. Thorne, A. C. Gibron, J. P. Simon, D. J. McGillivray 1970-4-17 39497 Los Angeles ca. 3 mi S of St Hwy 138 on Grandview Cyn Rd, ca. 9 mi ESE of Pearblossom 1280 Comment
  RSA94402  Chaenactis stevioides F. W. Peirson 1923-5-25 3522 Los Angeles along stream on south side of canyon of Rock Creek, San Gabriel Mountains. 1296 Comment
  UCR166089  Chaenactis xantiana Dat Tien 2004-5-1 s.n. Los Angeles Western Mojave Desert, Antelope Valley, c. 9 mi NE of Littlerock and c. 4 mi west of Lake Los Angeles (housing development) 884 Comment
  OBI28066  Chaenactis xantiana David J. Keil, Dirk Walters 1977-4-30 12279 Los Angeles On S side of Calif Rte 138 in vincity of jctn with Los Angeles C Rd N-2, across hwy from Quail Reservoir Comment
  SFV16000  Chamaesyce albomarginata D. C. Joyner, S. A. Call 1994-5-14 40 Los Angeles Mojave Desert Antelope Valley. Llano. Black Butte. 3 Sisters near junction of Highway 138 on Largo Vista Road. 1000 Comment
  RSA518468  Chamaesyce albomarginata Gary D. Wallace 1966-4-12 449 Los Angeles Campus of Cal. St. College at L.A. Comment
  RSA70535  Chamaesyce melanadenia F. W. Peirson 1924-12-5 5380 Los Angeles Large colony on open bank above trail; Little Samnta Anita Canyon. Comment
  RSA639737  Chamaesyce prostrata L. C. Wheeler 1969-5-8 s.n. Los Angeles Sierra Madre Elementary School: 160 Canon Ave. Sierra Madre. . Comment
  RSA609984  Chamaesyce serpens L. C. Wheeler 1970-7-7 s.n. Los Angeles Los Angeles: UCLA Campus, south of Slichter Hall. Comment
  CAS-BOT-BC70012  Cheilanthes covillei LeRoy Abrams 1902-7-1 2626 Los Angeles Little Santa Anita Canyon Comment
  RSA624055  Cheilanthes covillei L. C. Wheeler 1967-5-23 9709 Los Angeles Near mouth of Bear Canyon, off Soledad Canyon 579 Comment
  RSA685711  Cheilanthes covillei Thekla Mohr 1915-1 184 Los Angeles North Fork, San Gabriel River. Comment
  SEINET3153703  Cheilanthes covillei G. B. Grant, W. Wheeler 1904-5-17 6264 Los Angeles Mt. Wilson 1676 Comment
  UCD137419  Cheilanthes covillei James Dilley 1997-2-1 s.n. Los Angeles Angeles National Forest, Colby Canyon Rd., on Angeles Crest Hwy., 3 miles E of jct with Angeles Forest Hwy. 1 mile up trail. 1066 Comment
  RSA232630  Cheilanthes newberryi Larry E. DeBuhr, Gary Wallace 1972-9-3 709 Los Angeles San Clemente Island: on canyon wall of Horse Canyon, the canyon from Thirst Pk. to the west. 518 Comment
  UCR277206  Chenopodium R. G. Swinney 2010-9-30 13952 Los Angeles San Gabriel Mountains, 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon 2341 Comment
  UC1980197  Chenopodium berlandieri R. Old 2003-3-20 sn Los Angeles USA. CALIFORNIA. Los Angeles. Santa Monica / Los Angeles vicinity. Comment
  RSA249819  Chenopodium californicum R. F. Thorne, Gary D. Wallace 1973-4-25 43363 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1/4 mi N of Bob's Gap, 3.5 mi S of Llano, N slope of Holcomb Ridge. 1159 Comment
  RSA729687  Chenopodium californicum R. G. Swinney 1999-4-5 7049 Los Angeles San Gabriel Mtns./Mojave Desert: lower Boulder Canyon Wash, 0.6 mi. south of Ft. Tejon Rd. (Ave. Y) on 213th St. East 1207 Comment
  UCR255839  Chenopodium californicum R. G. Swinney 2010-3-10 11831 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  RSA535747  Chenopodium californicum T. S. Ross 1991-5-23 5496 Los Angeles San Clemente Island: lower Tota Canyon, middle of Island, eastern escarpment. 82 Comment
  RSA630254  Chenopodium fremontii Scott D. White, Dave Bramlet 1998-8-11 7055 Los Angeles San Gabriel Mts.: West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mile closed section of Highway 39 from ca. 1.6 mile W of junction Crystal Lake access road to junction Highway 2. 1707 Comment
  RSA640509  Chenopodium fremontii L. C. Wheeler 1970-8-15 s.n. Los Angeles Pico and Figueroa St. Los Angleles. Comment
  SBBG95275  Chenopodium murale M. B. Dunkle 1928-4-9 1813 Los Angeles Emerald Bay Comment
  UC1211058  Chenopodium murale Huron H. Smith 1912-5-9 4948 Los Angeles Redondo Comment
  RSA64831  Chenopodium pumilio F. W. Peirson 1919-11-12 1823 Los Angeles Holliston Ave. between Boulevard and Mendocino, Altadena. 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
  CAS-BOT-BC250939  Chorizanthe parryi var. fernandina Mark A. Elvin; Cathleen Weigand 2003-4-8 2453 Los Angeles Santa Clarita Valley: Newhall Ranch Commerce Center, confluence of Hasley Canyon and Castaic Creek, N of Hwy 126 319 Comment
  UCR177502  Chorizanthe spinosa LeRoy Gross 2005-5-19 2306 Los Angeles Western Mojave Desert, S of Ave A (Kern Count boundary) east of the #14 freeway. south of the city of Rosamond. Between 20th Street W and Sierra Highway. Started at Ave A 728 Comment
  JEPS57799  Chorizanthe staticoides Ralph Hoffmann 1930-7-7 Los Angeles N Los Angeles County. Elizabeth Lake Canyon Comment
  POM277126  Chorizanthe staticoides E. S. Steele, H. S. Pratt 1934-5-1 s.n. Los Angeles Foothills north of Eagle Rock Valley Comment
  UCR195289  Chorizanthe staticoides Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-18 1170 Los Angeles Transverse Ranges: Verdugo Mountains Region, ridgetop above McDonald Creek 518 Comment
  SBBG62362  Chorizanthe xanti var. xanti R. Hoffmann 1927-6-8 Los Angeles Palmdale Comment
  UCR231382  Chrysanthemum parthenium Dan S. Cooper 2011-9-30 911- 130 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, Royce Canyon 264 Comment
  LA212328  Chrysopsis villosa var. fastigiata W. B.; Oscar Lewis 1973-10-12 s.n. Los Angeles Near main entrance gate to San Dimas Exp. Forest. 975 Comment
  UCR141362  Chrysothamnus nauseosus R. G. Swinney 1997-8-19 5810 Los Angeles San Gabriel Mtns, Antonio Peak (Lookout Mtn.), ridge east of Cattle Canyon and west of the west fork of Bear Canyon. 2073 Comment
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Jul 6 2021
  UCR190127  Chrysothamnus nauseosus R. G. Swinney 1998-8-27 6795 Los Angeles San Gabriel Mtns., ridge due north of Big Horn Ridge and south of San Antonio Ridge, 7625 ft. high spot on ridge above Coldwater Canyon 2325 Comment
  RSA703160  Chrysothamnus nauseosus subsp. consimilis Scott D. White 2004-8-11 10698 Los Angeles San Gabriel Mountains: About 8 air miles west - northwest of Wrightwood. East of Fenner Saddle Rd. on Pacific Crest Trail. 2073 Comment
  LA47628  Cirsium occidentale var. californicum Henry J. Thompson; 1960-6-7 3077 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  SEINET7144188  Cirsium occidentale var. candidissimum Timothy S. Ross 1994-9-21 8300 Los Angeles Liebre Mountain: Upper west summit area on broad northerly ridge extending northward toward Tentrock Canyon drainage; ca 340-460 m ENE of Sandberg Triangulation Point (5345-ft). Liebre Mountain 7.5' USGS Quadrangle.; 0 1606 Comment
  SBBG80132  Cirsium occidentale var. coulteri F. R. Fosberg 1932-5-6 8129 Los Angeles Big Wash Cyn, Avalon 50 Comment
  UCR281026  Cirsium occidentale var. coulteri Mitch Provance 2017-6-29 617- 50 Los Angeles Catalina Island, Middle Canyon, E of McGee Lake, 0.2 miles SE of Middle Ranch Rd. and Cape Canyon Trail 207 Comment
  CAS-BOT-BC285589  Cirsium occidentale var. occidentale L. R. Abrams; I. L. Wiggins 1931-7-4 334 Los Angeles White's Landing, Santa Catalina Island Comment
  RSA188188  Cirsium occidentale var. occidentale R. F. Thorne, Percy C. Everett 1965-6-23 35014 Los Angeles Santa Catalina Island, lower part of Hamilton Canyon along stream bed. 61 Comment
  RSA647801  Cirsium occidentale var. occidentale LeRoy Gross, Laura Moore 2000-6-5 216 Los Angeles Verdugo Mountains: Brand Canyon, a short distance above the cemetery 350 Comment
  RSA657918  Cirsium occidentale var. occidentale J. Totino 1979-6-7 34 Los Angeles 75 feet from creek, 1/2 mile east of technical building of Glendale College 1500 N. Verdugo Rd., Glendale Comment
  CAS-BOT-BC285792  Cirsium vulgare Geo. B. Grant 1898-4-12 s.n. Los Angeles Pasadena Comment
  RSA603324  Cirsium vulgare Scott D. White 1997-5-21 5189 Los Angeles San Gabriel River Canyon: N of Azusa; parallel to Highway 39; canyon bottom and adjacent slopes along unnamed dirt access road to gauging station below Morris Dam. 244 Comment
  CAS-BOT-BC438752  Cistanthe monandra Timothy S. Ross; Victor W Steinmann 1995-5-8 8560 Los Angeles Liebre Mountains. Slopes between Leona Valley and Lost Valley. 1182 Comment
  RSA651541  Cistanthe monandra Marion P. Harthill 1975-5-12 s.n. Los Angeles Hwy. N4, Mojave Desert. Comment
  RSA449279  Clarkia bottae C. Epling 1931-4-18 s.n. Los Angeles Los Alisos Canyon. Comment
  UC1122387  Clarkia bottae A. D. Gifford 1934-4-25 164 Los Angeles 2 mi s Vejor; Triunfo Pass Quadrangle Comment
  UCR124430  Clarkia bottae I. W. Clokey, B. C. Templeton 1929-1 4534 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  UCR192932  Clarkia bottae Dan S. Cooper 2008-4-5 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., northwest entrance to Griffith Park, vicinity of Travel Town and adjacent to cemetery, Los Angeles 175 Comment
  SDSU1135  Clarkia cylindrica D. F. Howe 1947-5-4 1567 Los Angeles Hillside, Mint Canyon Comment
  RSA580313  Clarkia cylindrica subsp. cylindrica Tim S. Ross, Steve D. Boyd 1994-5-24 7869 Los Angeles Lower NE slope of Grass Mountain: northeasterly draw and adjacent northerly slope dissected by Burns Truck Trail and draining to the upper central area of Burns Canyon. 1148 Comment
  SEINET12189207  Clarkia deflexa I. W. Clokey, Templeton, B. 1929-1 4534 Los Angeles Mandeville Canyon, Santa Monica Mountains 200 Comment
  RSA73341  Clarkia dudleyana F. W. Peirson 1920-6-10 4456 Los Angeles North slope of Echo Mtn. 915 Comment
  RSA448275  Clarkia epilobioides Anstruther Davidson 1890-04 s.n. Los Angeles Near Burbank Comment
  SBBG5095  Clarkia heterandra R. Hoffmann 1927-6-14 Los Angeles Pine Cyn Comment
  RSA567179  Clarkia rhomboidea Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 4001 Los Angeles Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. [West Summit here construed as the 5605-foot knoll near the intersection of sections 3,4,9,10] 1390 Comment
  UCR223139  Clarkia rhomboidea R. G. Swinney 2009-7-22 11356 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  CAS-BOT-BC165499  Clarkia unguiculata Timothy S. Ross; J. Mark Porter 1995-5-4 8500 Los Angeles Texas Canyon: ca 2.65 road miles NE of Bouquet Canyon Road 609 Comment
  CAS-BOT-BC165504  Clarkia unguiculata L. R. Abrams 1913-7-18 5011 Los Angeles Russels Lake Comment
  RSA223051  Clarkia unguiculata Robert F. Thorne, C. W. Tilforth 1971-6-17 39936 Los Angeles San Gabriel Mountains, Angeles National Forest: 2 mi. up Lower Tujunga Rd. from Forestry Headquarters 457 Comment
  RSA579145  Claytonia exigua subsp. exigua Timothy S. Ross, Darin Banks 1994-4-12 7470 B Los Angeles San Francisquito Canyon: westerly draw draining from ridge which divides S. Fr. Cyn from Dry Canyon; ca 630 m s of where Drinkwater Canyon joins S. Fr. Canyon. 518 Comment
  NY42951  Claytonia perfoliata J. B. Walker 1995-3-30 1302 Los Angeles Angeles National Forest, Ridge Rt USFS 8N04, 11km S of Hwy 138 1300 Comment
  RSA729875  Claytonia perfoliata R. G. Swinney 1999-5-22 7205 Los Angeles Le Montaine Canyon, c. 0.5 mi. south of Camp Junilee Rd. 1701 Comment
  UCR185604  Claytonia perfoliata A. C. Sanders 2007-4-25 33559 Los Angeles Tehachapi Mtns., Oso Canyon, 0.5 mi. SE of Kern Co. line, on Oso Canyon Rd. 1159 Comment
  RSA527621  Claytonia perfoliata Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-8 4404 Los Angeles San Clemente Island: E side of island, Bryce Cyn near Malo Point. Comment
  POM18119  Claytonia perfoliata subsp. intermontana P. A. Munz 1923-5-26 6845 Los Angeles Vicent Gulch, San Gabriel Mountains 2134 Comment
  RSA0093119  Claytonia perfoliata subsp. mexicana Richard G. Swinney 2011-3-26 14197 Los Angeles San Gabriel Mts.: San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Canyon. 476 Comment
  RSA386206  Clematis lasiantha Thekla Mohr 1911-1 s.n. Los Angeles Los Angeles. Comment
  LA207178  Clematis ligusticifolia W. R. Ernst; 1947-4-4 sn Los Angeles San Gabriel Mountains, San Gabriel Canyon Comment
  LA207186  Clematis ligusticifolia Carl Epling; May 1926 sn Los Angeles Arroyo Seco Comment
  RSA386244  Clematis ligusticifolia F. R. Fosberg 1931-7-10 S 5367 Los Angeles Eagle's Nest, Middle Ran[ch] Canyon, Santa Catalina Island. 180 Comment
  LA32195  Clematis pauciflora Peter H. Raven; Henry J. Thompson 1959-10-31 14728 Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon, 2.7 mi N of Sunset Blvd. 259 Comment
  POM158344  Cleome isomeris M. B. Dunkle 1928-3-17 1759 Los Angeles Santa Catalina Island, Emerald Bay. Dry headland between Coves. Comment
  RSA0117622  Cleomella obtusifolia Sarah J. J. De Groot 2005-5-19 4977 Los Angeles Antelope Valley, along Avenue G between 30th and 40th Streets. 702 Comment
  PASA80  Cnicus benedictus Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  JEPS24112  Collinsia heterophylla Henry J. Thompson 1959-4-19 1937 Los Angeles Mulholland Highway 1 mi w of Las Virgenes Road (Santa Monica Mountains, Malibu Creek drainage); Santa Monica Mountains, Malibu Creek drainage 274 Comment
  RSA244391  Collinsia heterophylla Robin S. Collins 1973-5-28 326 Los Angeles Angeles National Forest, San Gabriel Mountains: Trail Canyon 762 Comment
  POM184518  Collinsia parryi Thomas Craig 1927-6-8 400 Los Angeles In Bear Canyon Trail to Mt. San Antonio Comment
  UCR191513  Collinsia torreyi var. wrightii R. G. Swinney 1998-7-8 6312 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  SD5703  Constancea nevinii Mary S. Snyder Unknown Los Angeles San Clemente Island Comment
  SD66845  Constancea nevinii R. Mitchel Beauchamp 1967-3-20 352 Los Angeles On cliff above beach road between Avalon and Abalone Point. Comment
  UC1929751  Constancea nevinii Mark Elvin, Dylan Hannon, Gery Allan, Curtis Clark 1996-4-19 147 Los Angeles Channel Islands; San Clemente Island: Top of cliffs of steepish bluffs. Comment
  LA32165  Conyza canadensis Peter H. Raven; Henry J. Thompson 1943-9-12 14667 Los Angeles Santa Monica Mountains, Medea Creek, mouth of Medea Creek, N arm of Malibu Lake 220 Comment
  POM48111  Cordylanthus rigidus subsp. setiger I. M. Johnston 1924-8-13 s.n. Los Angeles Evey-Palmer Canyon Firebreak 1067 Comment
  RSA590524  Coreopsis bigelovii Orlando Mistretta 1994-3-30 967 Los Angeles San Gabriel Mountains: Little Rock Creek. Slopes E of creek below Little Rock Dam. 991 Comment
  SEINET3146395  Coreopsis bigelovii E. K. Balls, Lenz, LW 1950-3-28 14463 Los Angeles 1 mi. E of jct. of Hwys. 99 & 138, just S of Gorman 1158 Comment
  UC761896  Coreopsis bigelovii R. F. Hoover 1938-4-16 3120 Los Angeles near Bailey's; Upper Antelope Valley Comment
  UCR205615  Coreopsis bigelovii R. G. Swinney 2008-5-12 8831 Los Angeles San Gabriel Mtns., east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  CAS-BOT-BC287869  Coreopsis californica I. Johnston 1917-3-29 1251 Los Angeles Above Claremont Comment
  UCR101181  Coriandrum sativum L. C. Wheeler 1975-5-13 s.n. Los Angeles Los Angeles Basin region; San Gabriel Valley, Rio Hondo: c. 0.25 mi. north of San Gabriel Blvd. 58 Comment
  RSA397697  Cornus glabrata F. R. Fosberg 1931-7-13 S- 6395 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island. 50 Comment
  CAS-BOT-BC212112  Cornus sericea Dr. H. E. Hasse 1890-8-1 s.n. Los Angeles Swampy flats near Ballona Comment
  RSA682308  Crassula connata LeRoy Gross, Valerie Soza 2003-5-15 906 Los Angeles 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. 518 Comment
  RSA595532  Crassula connata var. erectoides L. C. Wheeler 1969-4-19 s.n. Los Angeles San Gabriel Mountains. Placerita Canyon 457 Comment
  CAS-BOT-BC427962  Crassula tillaea Steve Boyd 2003-1-17 10442 Los Angeles Los Angeles Basin region: Vicinity of Irwindale east of the San Gabriel River and west of gravel pits, just north of Foothill Blvd, ca. 600 meters west of Irwindale Ave. 177 Comment
  SD123969  Crassula tillaea Robert F. Thorne 1979-4-25 52776 Los Angeles Rancho Santa Ana Botanic Garden, south end of desert garden. Comment
  CAS-BOT-BC181052  Crossosoma californicum June Giddings 1924-8-1 s.n. Los Angeles Giddings Hill - Santa Catalina Island Comment
  CAS-BOT-BC181573  Crossosoma californicum Robert F. Thorne; P. Everett 1965-6-22 34885 Los Angeles W facing rocky slope of canyon W of East Peak - Santa Catalina Island 396 Comment
  RSA167826  Crossosoma californicum R. F. Thorne 1964-2-6 33297 Los Angeles Santa Catalina Island above Fourth of July Cove. 30 Comment
  SD51790  Crossosoma californicum Roy L. Taylor, R. O. Ornduff 1960-3-18 4383 Los Angeles Santa Catalina Island Comment
  UCD141997  Croton californicus Kenneth A. Wilson 1961-3-12 1006 Los Angeles Point Dume, summit of Birdview and Cliffside Drive. 38 Comment
  UCD59966  Crypsis vaginiflora Barry Hammel 1976-8-2 403 Los Angeles Angeles National Forest, Little Rock Reservoir, San Gabriel Mountains. 1036 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
  RSA249773  Cryptantha barbigera R. F. Thorne 1973-4-20 42992 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
  RSA557822  Cryptantha circumscissa D. Charlton 1989-4-7 2834 Los Angeles Kentucky Springs, 1 mile south of Highway 14 on Sierra Highway. Comment
  RSA607393  Cryptantha circumscissa L. C. Wheeler 1968-7-24 s.n. Los Angeles San Gabriel Mountains: North base Mt. Hillyer. 1828 Comment
  UCR121220  Cryptantha circumscissa June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, 263rd St. south of Calif. Hwy 18 in Antelope Valley, along San Bernardino Co. line, NNW of Pinon Hills 1100 Comment
  UCR141164  Cryptantha circumscissa June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, near Hi Vista, vicinity of Ave G at 200th St. East, Antelope Valley 945 Comment
  UCR190374  Cryptantha circumscissa R. G. Swinney 2001-6-16 7989 Los Angeles San Gabriel Mtns., 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
  POM246606  Cryptantha clevelandii var. florosa F. R. Fosberg 1931-3-24 4350 Los Angeles Hamiltons Canyon, Santa Catalina Island 30 Comment
  RSA3739  Cryptantha clevelandii var. florosa C. B. Wolf 1932-5-11 3564 Los Angeles Santa Catalina Island. Point west side of Fourth O July Cove. 30 Comment
  IRVC28373  Cryptantha corollata A. C. Sanders 2003-4-28 26092 Los Angeles Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon Western San Gabriel Mtns. 427 Comment
  UCR154433  Cryptantha corollata A. C. Sanders, T. B. Salvato 2005-5-24 30240 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon NW of community of Mint Canyon, tributary of Santa Clara River 518 Comment
  UCR276927  Cryptantha corollata R. G. Swinney 2011-3-29 14274 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
  RSA0014596  Cryptantha decipiens Orlando Mistretta, Christine Mistretta 2011-6-17 5704 Los Angeles Kentucky Springs Cyn, along Southern California Edison (SCE) transmission line corridor 1.75 miles S of SCE substation at Vincent, W of Angeles Forest Hwy 1087 Comment
  RSA632840  Cryptantha decipiens R. F. Thorne, J. P. Simon, J. Dourley, H. Caulfield 1970-5-1 39532 Los Angeles Mojave Desert: Along road to Valyermo ca. 1 mile east of Pallett Ranch at foot of grade north of Pinyon Pine Ridge in Shoemaker Canyon. 1402 Comment
  RSA679833  Cryptantha decipiens LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 894 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway 1143 Comment
  RSA202473  Cryptantha intermedia R. L. Armacost 1963-5-7 1629 Los Angeles Tapia Park, Santa Monica Comment
  RSA515104  Cryptantha intermedia Aaron Liston 1989-4-28 794 -1 Los Angeles San Clemente Island. Deadman s Curve above Eagle Canyon. 473 Comment
  SBBG98661  Cryptantha intermedia T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5175 Los Angeles 1100 ft SSW of Twin Dams, 1450 ft NNW of Boulder marker (1859) 490 Comment
  UCR182387  Cryptantha intermedia R. G. Swinney 1998-5-9 6050 Los Angeles San Gabriel Mountains, San Gabriel (Azusa) Canyon, 1.5 mi. north of Foothill Blvd. on east side of Encanto Rd. 201 Comment
  POM368264  Cryptantha intermedia M. B. Dunkle 1939-4-4 7260 Los Angeles San Clemente Island, Chenetti Canyon. Comment
  SBBG13452  Cryptantha maritima E. R. Blakley 1962-6-9 5186 Los Angeles China Pt near lighthouse 9 Comment
  RSA611427  Cryptantha micromeres L. C. Wheeler 1936-6-1 4107 Los Angeles Tan Bark Flat, San Dimas Canyon. 853 Comment
  LA200288  Cryptantha muricata Henry J. Thompson; 1961-3-31 3178 Los Angeles Santa Monica Mountains, Stunt Road, 1 mi. S of Mulholland Highway 350 Comment
  UCR126887  Cryptantha muricata A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26197 Los Angeles Western San Gabriel Mtns., Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment
  UCR152655  Cryptantha muricata A. C. Sanders, Helen Kennedy 2005-4-13 29411 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCR177786  Cryptantha muricata LeRoy Gross 2005-4-28 2161 b 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
  RSA0079317  Cryptantha muricata var. jonesii Matt Bogdanoff, Lord 1989-6-10 32 Los Angeles Mt. Baldy Rd. burn area. Comment
  SBBG45092  Cryptantha muricata var. jonesii L. C. Wheeler 1932-5-25 754 Los Angeles head of Sepulveda Cyn 365 Comment
  RSA115723  Cryptantha nevadensis var. rigida E. C. Twisselmann 1955-6-23 2206 Los Angeles Mt Abel Road, at Kern County line 1646 Comment
  SFV3104  Cryptantha pterocarya K. A. Wilson 1961-4-29 1172 Los Angeles Mojave Desert 1 mile northwest of Valyermo. 1085 Comment
  RSA0088102  Cryptantha similis R. G. Swinney 2010-5-19 12799 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
  RSA630749  Cryptantha similis L. C. Wheeler 1973-4-7 s.n. Los Angeles Kentucky Springs Canyon. 1219 Comment
  UCR192012  Cryptantha similis A. C. Sanders 2008-4-17 34919 Los Angeles Transverse Range, hills c. 2 miles SW of Neenach School, c. 1 mi. west of Pine Canyon 1037 Comment
  RSA479536  Cryptantha simulans Steve Boyd, Laura Kopase 1987-6-8 2074 Los Angeles San Gabriel Mts. 5 miles WNW of Wrightwood in Canyon Near Jct. with Mescal Creek 1524 Comment
  SEINET10896302  Cryptomeria japonica David B. Dunn 1957-1 Dunn UMO 41724 Los Angeles Collected from a street tree in Los Angeles, Calif. Tree 50 ft tall. Comment
  RSA613499  Cucurbita foetidissima L. C. Wheeler 1968-9-7 s.n. Los Angeles San Gabriel Mtns.: Big John Flat. 1676 Comment
  RSA0048203  Cuscuta Harold L. Pirie 1963-6-13 s.n. Los Angeles North slope of the Santa Monita Mts. Chaparral in Woodland Hills just south of Pacific Lodge. 274 Comment
  SD39893  Cuscuta Edith A. Purer 1932-2-1 2470 Los Angeles El Segundo Comment
  RSA751110  Cuscuta californica Justin M. Wood 2009-6-5 829 Los Angeles Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  LA30261  Cuscuta californica Mary V. Hood; 1939-12-25 39- 155 k* Los Angeles Santa Monica Mountains, Griffith Park 335 Comment
  RSA603490  Cuscuta californica var. californica L. C. Wheeler 1931-8-9 S 12 Los Angeles San Antonio Canyon, San Gabriel Mountains. 915 Comment
  UCD126267  Cuscuta californica var. californica Louis C. Wheeler 1967-6-15 9835 Los Angeles Liebre Mountains Region: northeast of Saugas. 403 Comment
  SBBG58133  Cuscuta campestris R. Hoffmann 1928-7-7 Los Angeles near Acton Comment
  RSA603177  Cuscuta campestris L. C. Wheeler 1936-6-28 4193 Los Angeles 3 miles SE of El Monte. 76 Comment
  IRVC27953  Cuscuta subinclusa A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27144 Los Angeles Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle NE end of Santa Susana Mtns. 280 Comment
  UC1409068  Cuscuta subinclusa Robert F. Thorne and J. Dourley 1967-10-3 37273 Los Angeles Vincent Gap Mt. Baden Powell 2286 Comment
  RSA732940  Cycladenia humilis R. G. Swinney 1999-8-9 7604 Los Angeles San Gabriel Mtns.: Big Horne Ridge, c. 1.5 mi SW of West Baldy peak of Mt. San Antonio 2317 Comment
  LA211276  Cyclospermum leptophyllum Arthur C. Gibson; 2005-9-22 5218 Los Angeles SIMI HILLS, Chatsworth Park South, Chatsworth. Comment
  CATA1048  Cynodon dactylon Mark L. Hoefs 1995-5-10 1979 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail 70 Comment
  RSA534145  Cynodon dactylon Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5072 Los Angeles San Clemente Island: Lower Wilson Cove Canyon; bouldery, rocky draw SW of and above pier operations. 15 Comment
  OBI45102  Cyperus eragrostis J. Ewau 1931-7-31 4778 Los Angeles Telegraph Rd near Santa fe Crossing Comment
  CAS-BOT-BC114412  Cyperus erythrorhizos Louis C. Wheeler 1932-9-19 1391 Los Angeles Los Angeles River at Los Feliz Blvd. 121 Comment
  RSA577530  Cyperus erythrorhizos L. C. Wheeler 1932-9-19 1395 Los Angeles Los Angeles R. [River] at Los Feliz Blvd 122 Comment
  UCR194087  Cyperus niger A. C. Sanders, Dan S. Cooper 2008-1-11 34416 Los Angeles South Coast; Los Angeles Basin, Long Beach, El Dorado Park, near 605 Fwy, Willow St. and the San Gabriel River 1 Comment
  RSA773303  Cystopteris fragilis R. G. Swinney 2009-6-3 11055 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  SBBG14844  Cystopteris fragilis L. L. Kiefer 1963-3-2 446 Los Angeles Fern Cyn, ca. 0.5 mi below dams, Brown's Flat area 1219 Comment
  UCR178067  Cytisus striatus LeRoy Gross 2001-11-10 451 Los Angeles Los Angeles Basin, Verdugo Mountains, north side. Off the 210 Fwy east bound LaTuna Canyon Road exit opposite this exit is a road that starts out paved. (Hostetter Mountainway) follow this road that parallels the freeway east till a dirt road forks off on the right (southeast) 457 Comment
  RSA0113911  Dactylis glomerata Steven A. Junak 1999-4-23 SCa- 857 Los Angeles Santa Catalina Island. W fork of canyon above Howland's Landing, above road. 524 Comment
  RSA527807  Datura wrightii Tim S. Ross, Annette Ross 1991-6-3 5540 Los Angeles Elephant Hill: W Pomona. 287 Comment
  RSA591670  Datura wrightii Louis C. Wheeler 1966-9-21 8885 Los Angeles San Gabriel Mountains. West side of mouth of west fork, San Gabriel Canyon, just downstream from bridge to east fork. 457 Comment
  RSA642715  Datura wrightii Orlando Mistretta 1992-7-13 690 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  LA102227  Daucus pusillus Barry A. Prigge; 1985-6-14 6393 B Los Angeles Santa Monica Mountains, Cold Creek Canyon, along trail from upper gate of Cold Creek Preserve to Murphy Ranch site 658 Comment
  LA32281  Daucus pusillus Peter H. Raven; Henry J. Thompson 1959-5-5 14121 Los Angeles Santa Monica Mountains, Mulholland Hwy, 1 mi W of Las Virgenes Rd 274 Comment
  CAS-BOT-BC130922  Deinandra clementina Reid Moran 1958-9-15 6837 Los Angeles Wilsons Cove, San Clemente Island 50 Comment
  HSC31474  Deinandra clementina R. F. Thorne 1966-4-17 36095 Los Angeles San Clemente Island: near Duty Office, Wilson's Cove, NE end of island 30 Comment
  SBBG11029  Deinandra clementina R. Moran 1958-9-15 6837 Los Angeles Wilson Cove 50 Comment
  SD85067  Deinandra clementina E. R. Blakley 1962-6-9 5189 Los Angeles San Clemente Island; China Point Comment
  UC1215125  Deinandra clementina Peter H. Raven 1962-7-12 18038 Los Angeles above North Head; San Clemente Island Comment
  CAS-BOT-BC299285  Deinandra fasciculata Alice Eastwood 1906-5-27 168 Los Angeles San Pedro, Country adjacent to Los Angeles Comment
  CAS-BOT-BC299314  Deinandra fasciculata unspecified 1902-6-27 s.n. Los Angeles Catalina Island Comment
  CATA233  Deinandra fasciculata Mark L. Hoefs, A. Douglas Propst 1973-5-4 226 Los Angeles Santa Catalina Island: By Thompson Dam, middle canyon, south exposure 213 Comment
  RSA703586  Deinandra fasciculata Gary D. Wallace, C. Black, D. Cohen, R. Lavenburg 1983-6-29 2085 Los Angeles Santa Catalina Island: Twin Harbors area Marine Station. Comment
  SBBG41346  Deinandra fasciculata M. R. Benedict 1970-6-30 Los Angeles lower Cottonwood Cyn Comment
  OBI56532  Deinandra fasciculata Tim Ross, Annette Ross 1991-6-3 5537 Los Angeles Elephant Hill: W Pomona. T1S R9W, W2/3 S 1/2 sec 26 (projected) Comment
  CAS-BOT-BC294069  Deinandra kelloggii Louis C. Wheeler 1933-6-27 1888 Los Angeles Foothill Blvd. at Eaton Wash, Pasadena 213 Comment
  RSA683181  Delphinium cardinale LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1102 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
  UC1126091  Delphinium cardinale Jerome S. Horton 1935-7-18 216 Los Angeles above C.C.C. Camp; Pomona Quadrangle, Dalton Canyon Comment
  UC1595397  Delphinium cardinale Tim Ross and Peter Fritsch 1990-6-20 3697 Los Angeles w side of canyon on Forest Service Rd 1N36 heading s from Rincon-Red Box Rd; San Gabriel Mountains, Van Tassel Canyon 472 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
  SEINET3159384  Delphinium parryi G. B. Grant 275 Los Angeles Pasadena Comment
  SD69556  Delphinium parryi Robert F. Thorne, M. Z. Thorne 1966-6-2 36531 Los Angeles Santa Catalinabase of slope, Hay Press area 1399 Comment
  CAS-BOT-BC116259  Delphinium parryi subsp. parryi Ernest Braunton 1903-6-1 894 Los Angeles Glendale to Burbank Comment
  LA82452  Delphinium parryi subsp. parryi O. H. Kappler; 1940-5-12 9 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UCD96554  Delphinium patens Kenneth A. Wilson 1961-3-14 1019 Los Angeles Santa Monica Mtns. Mulholland Hwy. 1/2 mile west of Seminole Hot Springs. Comment
  UCR193154  Delphinium patens Dan S. Cooper 2008-4-5 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Royce Canyon, Griffith Park, Los Angeles 320 Comment
  LA32187  Delphinium patens subsp. hepaticoideum Peter H. Raven; 1959-5-9 14171 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 243 Comment
  RSA400026  Delphinium patens subsp. hepaticoideum Robin S. Collins 1973-3-11 206 Los Angeles Angeles Nationall Forest, Trail Canyon, ca. 1/2 miles along pack trail from start of trail. 610 Comment
  UCD96559  Delphinium patens subsp. hepaticoideum James Dilley; Jaime Kneitel 1997-2-23 s.n. Los Angeles San Gabriel Mts., Angeles National Forest, Trail Canyon, off of Big Tujunga Cyn Rd. About 1 mile up the trail. Comment
  RSA0030040  Delphinium patens subsp. montanum Tim S. Ross, W. Appleby 1993-5-20 7200 Los Angeles Head of Los Pinetos Canyon on the dirt trail between Wilson Canyon Saddle and Los Pinetos Spring. 915 Comment
  RSA400068  Delphinium variegatum subsp. kinkiense M. B. Dunkle 1939-4-6 7322 Los Angeles San Clemente Island: Mosquito-Pyramid Trail. Comment
  LA45824  Dendromecon harfordii C. B. Wolf; 1932-10-5 4227 Los Angeles Santa Catalina Island, 0.33 mi from Black Jack Mine on road to Middle Ranch 457 Comment
  UC592909  Dendromecon harfordii Carl B. Wolf 1932-10-5 4228 Los Angeles on slopes Black Jack Peak; Santa Catalina Island, Black Jack Mine 426 Comment
  RSA433213  Dendromecon rigida Geo. L. Moxley 1915-7-19 385 Los Angeles Arroyo Seco Canyon: ca. 1/2 mi above Switzer's Canyon Comment
  UCR198383  Dendromecon rigida Valerie Soza, L. Moore 2000-5-10 843 B Los Angeles Transverse Ranges: Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive from fire gate to powerlines 579 Comment
  UCR270508  Dendromecon rigida R. G. Swinney 2011-5-26 14863 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
  POM210813  Deschampsia danthonioides Victor Duran 1933-7-9 3507 Los Angeles Horse Flats, San Gabriel Mountains. 1677 Comment
  SBBG105369  Deschampsia danthonioides H. L. Ferguson, R. M. Beauchamp 1979-9-15 10 Los Angeles ca. 100 m SW of Vista O.P. gate 570 Comment
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Jul 2 2014
  RSA755837  Descurainia pinnata R. G. Swinney 2008-6-17 9045 Los Angeles Pinyon Ridge, 4.4 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway, 1.6 mi. west of peak 6535 1945 Comment
  UC857338  Descurainia pinnata I. W. Clokey and B. C. Templeton 1930-4-8 4658 Los Angeles w of Lancaster 400 Comment
  UCR259600  Descurainia pinnata R. G. Swinney 2010-5-11 12622 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
  POM369418  Descurainia pinnata subsp. menziesii R. Hasson 1902-3-12 s.n. Los Angeles Figueroa Street, Los Angeles Comment
  UCR190763  Descurainia sophia R. G. Swinney 1999-6-30 7492 Los Angeles San Gabriel Mtns., Grand View Canyon, c. 1.1 mi. north of Big Pines Hwy at All Nations Camp 1585 Comment
  CAS-BOT-BC402260  Dicentra chrysantha Geo. B. Grant 1904-6-26 4409 Los Angeles Mt Lowe Comment
  RSA433590  Dicentra chrysantha Anstruther Davidson 1893-6-12 s.n. Los Angeles Switzer's Trail. Comment
  UCR223675  Dicentra chrysantha R. G. Swinney 2009-6-12 11147 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  RSA624064  Dicentra formosa Louis C. Wheeler 1967-5-23 9668 Los Angeles San Gabriel Mountains: 100 meters south of highway, south of Soledad campground 640 Comment
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Nov 26 2007
  RSA376840  Dichelostemma capitatum subsp. capitatum Freda Detmers 1933-4-9 s.n. Los Angeles Los Angeles National Forest, Little Tujunga Canyon. Comment
  UCSB795  Dichelostemma capitatum subsp. capitatum Ballard 1954-4-13 Los Angeles Pomona Campus wash, Claremont 259 Comment
  CAS-BOT-BC299813  Dieteria canescens var. canescens I. M. Johnston 1917-8-22 1647 Los Angeles Praire Fk. of San Gabriel R., San Antonio Mountains 1981 Comment
  RSA0083093  Dimorphotheca sinuata R. G. Swinney 2010-3-24 12066 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  CAS-BOT-BC152905  Diplacus brevipes Ethel, Miss Graves 1900-4-1 s.n. Los Angeles Near Pasadena Comment
  SBBG66746  Diplacus brevipes M. N. Ackley -May-1925 1052 Los Angeles Kirby's Cyn, Glendale 266 Comment
  CHSC57230  Diplacus johnstonii David M. Thompson 1988-5-26 916 Los Angeles San Gabriel Mts. 3.0 mi SE of Valyermo-Big Pines road along Big Rock Creek Road, NE side of road. 1389 Comment
  SBBG98432  Diplacus parviflorus T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5293 Los Angeles W fork of Near-Death Cyn, draining to Mosquito Cove (drainage beginning 800 ft N of Rest; 1800 ft SE of Malo Knoll; upper portion of drainage 274 Comment
  SBBG105048  Diplacus puniceus T. Ross 1993-4-21 6840 Los Angeles major E-W ridge between "Carlos" and Cactus Pk 396 Comment
  CAS-BOT-BC195623  Distichlis spicata Edgar A. Mearns 1894-8-25 4054 Los Angeles San Clemente Island Comment
  RSA641433  Distichlis spicata L. C. Wheeler 1967-7-23 10156 Los Angeles San Gabriel Mountains: Mojave Desert Slope: Barrel Spring. Comment
  UC53555  Distichlis spicata H. P. Chandler 1902-9-9 2027 Los Angeles Ballona Marshes Comment
  SEINET10558199  Distichlis spicata var. stolonifera F. R. Fosberg 1931-3-4 Fosberg S 4475 Los Angeles Pebble Beach, Santa Catalina Island. Dry salt marsh. Supra littoral zone. 2 Comment
  SD90346  Dodecatheon redolens Robert F. Thorne, J. Dourley 1967-10-10 37352 Los Angeles San Gabriel Mts., Angeles National Forest: 1.5 mi. E of Dawson Saddle; in cienega, cool, moist shaded N-facing slope 2332 Comment
  UCR190050  Dodecatheon redolens R. G. Swinney 1998-10-3 7006 Los Angeles San Gabriel Mtns, upper Fish Fork San Gabriel River, c. 1/2 mile east (upstream) from Upper Fish Fork Campground, above 2nd waterfall in tributary from N side of San Antonio Ridge 1991 Comment
  UC1611541  Drymocallis glandulosa Tim Ross, Walter Appleby 1993-5-20 7194 Los Angeles vicinity Wilson Canyon Saddle (northerly slope ca 150 m e of saddle); western San Gabriel Mtns., San Fernando Quad. 963 Comment
  RSA729411  Drymocallis glandulosa var. glandulosa R. G. Swinney 1998-10-3 6997 Los Angeles San Gabriel Mtns.: upper Fish Fork San Gabriel River., c. 1/2 mile east (upstream) from upper Fish Fork Campground, above 2nd waterfall in tributary from N side of San Antonio Ridge. 1991 Comment
  RSA0081627  Dryopteris arguta R. G. Swinney 2010-8-30 13637 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
  UC450861  Dryopteris arguta Fay A. MacFadden 1931-3-29 19 E Los Angeles opposite Belmont Country Club Tuna Canyon; Verdugo Hills 396 Comment
  CAS-BOT-BC109573  Dudleya blochmaniae subsp. blochmaniae Reid Moran 1948-6-8 3086 Los Angeles Mouth of Winter Canyon, Malibu Beach. Comment
  CAS-BOT-BC428050  Dudleya cymosa subsp. crebrifolia K. Nakai 1981-6-24 776 Los Angeles Fish Cyn., ca. 1.5 km from the mouth of cyn. 396 Comment
  CAS-BOT-BC109680  Dudleya cymosa subsp. marcescens K. Nakai; B. Broadbent 1980-5-4 596 Los Angeles Santa Monica Mountains, ca. 1.8 km. north of the junction of California Highway 27 and Old Topanga Road on Old Topanga Road. Comment
  LA105029  Dudleya cymosa subsp. marcescens Peter H. Raven; David Verity 1960-5-7 15343 Los Angeles Santa Monica Mountains, ca 1 mi. SW of Seminole Hot Springs 335 Comment
  UC1593826  Dudleya hassei Jim Dice, Michael Donoghue and Terry Martin 1983-5-20 347 Los Angeles ne facing slope above Pebbly Beach Drive (betw Avalon Bay and Abalone Point); Santa Catalina Island Comment
  RSA247427  Dudleya lanceolata Jack Delaini, Barbara Shervanick 1974-5-23 220 Los Angeles Lodi Canyon, San Dimas Experimental Forest 441 Comment
  SBBG108935  Dysphania multifida S. A. Junak 1996-9-28 SCl 671 Los Angeles E edge of central portion of mesa, in parking area at Stone Field Stn 457 Comment
  IRVC28764  Echinochloa colona A. C. Sanders, Mark Elvin 2002-8-7 25556 Los Angeles north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur Santa Clara River Valley 274 Comment
  UCR59476  Echinochloa crus-galli Bill Wagner 1989-8-7 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Northern Santa Monica Mtns, c. 0.5 mi. south of Hwy 101 on E and W sides of Kanan Road, NE of Ladyface Comment
  RSA636099  Echinodorus berteroi L. C. Wheeler 1953-9-27 7052 Los Angeles San Gabriel Mountains: Arroyo Seco, just upstream 100 yards from Pasadena water intake. . Comment
  RSA699876  Echium candicans LeRoy Gross 2004-3-19 1210 Los Angeles San Rafael Hills: North section of hills; Gate # 4 Along Ridge Motorway (dirt road) at corner of Camino San Rafael and Flintridge drive. 502 Comment
  HSC12521  Ehrendorferia chrysantha Wendell Wood 1970-6-24 48 Los Angeles Switzer's Camp, Angeles Crest Hwy., 9 mi. beyond intersection with Foothill Blvd. 915 Comment
  LA99086  Ehrendorferia ochroleuca Carl Epling; L. Ellison 1929-4-27 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA450619  Ehrharta erecta A. C. Sanders 1987-12-4 7571 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  RSA776727  Ehrharta erecta Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11683 Los Angeles Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  CATA2091  Eleocharis macrostachya R. Mitchel Beauchamp 1976-5-23 4158 Los Angeles San Clemente Island: Beside road at curve north of Middle Ranch site and west of Boulder Grade, SCI Sector: MM 54.9 472 Comment
  RSA177700  Eleocharis palustris Robert F. Thorne, Percy C. Everett 1965-5-11 34661 Los Angeles Santa Catalina Island: Picnic Ground. 427 Comment
  RSA735125  Eleusine coracana subsp. africana R. E. Riefner 2007-8-3 7 -341 Los Angeles San Dimas, Puddingstone Reservoir, Bonelli Region County Park. 290 Comment
  UCR126358  Eleusine indica A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27132 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  SEINET3929668  Elymus elongatus Timothy S. Ross, Steve Boyd 1994-7-7 8146 a Los Angeles LIEBRE MOUNTAINS: upper W end of the mountain, about 100 m NNE of Sanberg Triangulation Point. Liebre Mountain 7.5' USGS Quadrangle.; 0 1606 Comment
  RSA0102543  Elymus elymoides Richard G. Swinney 2011-6-7 15100 Los Angeles San Gabriel Mountains: summit of Mount Mooney, 0.4 air-mile due east of Angeles Crest Hwy & 0.5 mile due north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory. 1768 Comment
  UCR127002  Elymus elymoides A. C. Sanders, Mark A. Elvin 2003-6-18 26942 Los Angeles Santa Susana Mountains, along road on crest of range from Salt Canyon, north of head of El Toro Canyon, Newhall Ranch 854 Comment
  UCR190883  Elymus elymoides R. G. Swinney, Cody Clarke 2001-6-20 8002 Los Angeles San Gabriel Mtns., summit of Mt. Lewis, NW of Dawson Saddle 2560 Comment
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Feb 6 2013
  UCR191263  Elymus elymoides R. G. Swinney 1998-7-2 6210 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  RSA188520  Elymus elymoides subsp. elymoides R. F. Thorne, John Olmstead 1965-8-26 35378 Los Angeles San Gabriel Mountians: Angeles National Forest, Camp Lupine near Prairie Fork 2012 Comment
  RSA587532  Elymus elymoides subsp. elymoides Orlando Mistretta, Steve Boyd, Darin L. Banks 1994-4-29 1106 Los Angeles Santiago Canyon; Ridge on W edge of Santiago Canyon watershed N. of Forest Road 4N20. 1372 Comment
  POM178021  Elymus glaucus Joseph A. Ewan 1931-5-16 4202 Los Angeles Dry Canyon above Calabasas, Santa Monica Mountains 366 Comment
  RSA0049900  Elymus glaucus R. G. Swinney 2008-7-2 9133 Los Angeles north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
  RSA150699  Elymus glaucus subsp. glaucus P. H. Raven 1961-10-1 16782 Los Angeles San Gabriel Mountains: upper Evey Canyon 854 Comment
  SEINET13203278 Image available Elymus hispidus R. G. Swinney 2011-1 14792 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), near entrance gate to camp, 0.54 miles at 84 deg. SSE of Jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Colby Cyn. (Chilao Flat 7.5' Q.) (T3N R12W S35) 1018 Comment
  OBI70934  Emmenanthe penduliflora Steve Boyd, Lauren Raz 1997-3-25 9309 Los Angeles Liebre Mts region: upper end of broad alluvial valley at head of Cienaga Cyn, S base of Liebre mtn, at end of dirt rd leading 1 km NE of Knapp Ranch. T7N R17W E1/2 SW 1/4 sec 14 1280 Comment
  RSA0045219  Emmenanthe penduliflora R. G. Swinney 2010-5-11 12654 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
  RSA0076963  Emmenanthe penduliflora R. G. Swinney 2010-5-19 12829 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
  SD69613  Emmenanthe penduliflora Robert F. Thorne, P. Everett 1965-5-11 34582 Los Angeles Santa Catalina Island, north side of north beach of Little Harbor. 14 Comment
  UC1349036  Emmenanthe penduliflora Robert F. Thorne and P. Everett 1965-5-11 34582 Los Angeles N side of N beach of Little Harbor; Santa Catalina Island 15 Comment
  LA38486  Emmenanthe penduliflora var. penduliflora Carl Epling; L. Ellison 1929-5-18 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  UCD131196  Encelia actoni Kenneth A. Wilson 1961-4-26 1163 Los Angeles Soledad Canyon, adjacent to Bee Canyon, north of River's End Ranch. Comment
  SEINET7837722  Encelia farinosa Unknown 1973-5-16 Los Angeles San Gabriel Mountains. Mouth of Van Tassel Canyon. Comment
  RSA598108  Encelia farinosa var. farinosa Steve Boyd, Lauren Raz 1997-3-4 9155 Los Angeles Liebre Mountains region, southern base of the Sierra Pelona Ridge, Crown Valley just northwest of Governor Mine, ca 0.8 mi north of Sierra Highway along Crown Valley Road, disturbed and graded area associated with high-tension power lines. 610 Comment
  RSA383866  Ephedra nevadensis Anstruther Davidson 1922-7-1 3564 Los Angeles Llano. SW Mojave Desert. Comment
  RSA639169  Ephedra nevadensis L. C. Wheeler 1967-5-31 9797 Los Angeles San Gabriel Mountains: Just over the rise immediately west of Caldwell Lake. . Comment
  SEINET5869078 Image available Ephedra nevadensis C. E. Jones, Y. Atallah 2001-1 CEJ 16 Los Angeles Big Pines Hwy 2 mi above/SE of intersec with Rock Springs Rd, pull-out near Hwy Marker 200, NE side of rd. Comment
  LA32217  Epilobium canum subsp. canum Peter H. Raven; 1958-10-11 13746 Los Angeles Santa Monica Mountains, Las Tunas Canyon, near Coast Highway Comment
  POM2981  Epilobium canum subsp. canum Elizabeth Colson 1908-6-18 43 Los Angeles Claremont. 400 Comment
  RSA609118  Epilobium canum subsp. canum Louis C. Wheeler 1968-8-22 s.n. Los Angeles San Gabriel Mountains: Roberts Canyon at Silver Fish Truck Trail. 640 Comment
  RSA586174  Epilobium canum subsp. latifolium Orlando Mistretta 1995-10-2 1941 Los Angeles San Gabriel Mountains: Little Rock Creek. Upstream from Basin Campground. 1052 Comment
  UCR182239  Epilobium ciliatum R. G. Swinney 1997-9-6 5871 Los Angeles San Gabriel Mountains, Jackson Lake west of Wrightwood 1875 Comment
  UCR273906  Epilobium ciliatum Steven A. Junak 1999-7-16 SCa- 1055 Los Angeles California Islands, Santa Catalina Island. Lower part of Cottonwood Canyon, below waterfall 12 Comment
  RSA794746  Epilobium glaberrimum Jane Tirrell 2012-7-20 LS 0117 Los Angeles San Gabriel Mts region: South side of California State Route 2; east bank of drainage at mile marker 66.82. 2245 Comment
  LA200042  Equisetum X ferrissii Lawrence L. Kiefer; 1962-12-24 1828 Los Angeles SANTA MONICA MOUNTAINS, Santa Ynez Canyon, ca 3 mi N of Sunset Blvd. 274 Comment
  POM18114  Equisetum arvense P. A. Munz 1923-5-26 6839 Los Angeles Head of Vincent Gulch, San Gabriel Mts. springy places 1982 Comment
  SEINET3864988 Image available Equisetum arvense Louis C. Wheeler 1948-6-13 6650 Los Angeles San Gabriel Mountains: Big Tujunga, near Coldwater Canyon.; 0 945 Comment
  UC1870341  Equisetum hyemale subsp. affine LeRoy Gross, Wayne Law 2000-8-8 245 Los Angeles [Coastal Plains & Basins; San Fernando Valley Basin region]; Big Tujunga Wash/ Verdugo Mountains region: East of Hansen Dam, entered at Orcas Ave. parked at Orcas Park, hiked east of this park along river (just north of Wentworth Street), but not as far as the Tujunga ponds. Near Comment
  POM47142  Equisetum hyemale var. affine I. M. Johnston 1924-8-13 s.n. Los Angeles Evey-Palmer Canyon Firebreak. About spring where locally abundant and reaching 10 ft. in height. 1036 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
  RSA640302  Equisetum hyemale var. affine L. C. Wheeler 1973-2-3 s.n. Los Angeles Venice: By 2605 Strongs Dr. Comment
  CAS-BOT-BC57320  Equisetum laevigatum I. Johnston 1917-5-13 27 V Los Angeles El Monte 106 Comment
  UC62568  Equisetum laevigatum A. J. McClatchie 1895-1 Los Angeles near Pasadena Comment
  RSA603676  Equisetum telmateia var. braunii Steve Boyd 1997-9-17 10042 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. 854 Comment
  UCR241698  Eragrostis Dan S. Cooper 2012-9-6 912- 77 Los Angeles Los Angeles Basin, Culver City area, Baldwin Hills, Kenneth Hahn Park 137 Comment
  RSA596225  Eremocarpus setiger T. S. Ross 1990-6-11 3396 Los Angeles San Gabriel Mountains, Little Rock Creek: Joshua tree Campground on SW side of Little Rock Creek reservoir 997 Comment
  RSA579303  Eremocarpus setiger T. S. Ross 1994-7-19 8176 Los Angeles Claremont: S base of Indian Hill Mesa. 396 Comment
  SBBG69941  Eremogone macradenia var. macradenia unknown 1895-1 Los Angeles Big Rock Comment
  UCR84579  Eriastrum densifolium subsp. densifolium T. S. Ross 1992-7-17 6720 Los Angeles San Gabriel Mtns., Summit of Condor Peak. 1660 Comment
  RSA0107781  Eriastrum densifolium subsp. mohavense Thomas T. Craig 1933-10-9 2029 Los Angeles 3 mi. N of Vincent, edge of San Gabriel Mountains. 1220 Comment
  UCD118271  Eriastrum eremicum subsp. eremicum Cameron Blake; Jane Turner, Francis M. Ball 1962-6-2 961 Los Angeles Pearblossom. 914 Comment
  CATA1613  Eriastrum filifolium Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Janet Takara 1998-5-1 2883 Los Angeles Santa Catalina Island: Ridge to Whitley's Peak 384 Comment
  SBBG116238  Eriastrum filifolium R. Burgess, P. Munro 2002-5-6 5131 Los Angeles Hungry Valley Rd, 0.2 mi W of Smokey Bear Rd 853 Comment
  SBBG109146  Eriastrum filifolium S. A. Junak 1997-10-28 SCl 978 Los Angeles upper portion of N fork of Mosquito Cyn 341 Comment
  LA200749  Eriastrum sapphirinum Jonathan Sauer; David McJunkin 1977-4-9 5961 Los Angeles SANTA MONICA MOUNTAINS, Jones Sepulveda Canyon Reserve, above Chalon Rd between Mount Saint Mary's College and San Diego Frwy. 192 Comment
  UC909058  Eriastrum sapphirinum Herbert L. Mason 1948-6-15 3787 Los Angeles cirque slide s Baldy; San Antonio Wash 2194 Comment
  CAS-BOT-BC514943  Eriastrum sapphirinum subsp. brevibracteatum Mrs. K. Brandegee 1910-6-1 135 Los Angeles Ravenna, not far from the borders of the Mohave Desert 750 Comment
  RSA0121284  Eriastrum sapphirinum subsp. dasyanthum Scott D. White, Pam De Vries 2004-6-14 10502 Los Angeles Eastern Santa Susana Mountains. West of the I-5 Freeway, ca. 4 mi N of I-5 / SH-14 jtn and 6 mi S of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  RSA0122871  Eriastrum sapphirinum subsp. dasyanthum A. C. Sanders, T. B. Salvato 2005-5-24 30279 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, ca. 0.5 mi NW of community of Mint Canyon. 549 Comment
  RSA611654  Ericameria Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10084 Los Angeles Liebre Mountains region: Anaverde Valley at north base of Sierra Pelona. 976 Comment
  RSA207703  Ericameria cooperi James Henrickson 1965-4-22 1796 Los Angeles 3 miles S of Hi Vista, E of Saddle Back Butte. 915 Comment
  POM359323  Ericameria cuneata var. cuneata L. E. Hoffman 1931-11-28 s.n. Los Angeles Holcomb Creek, Angeles National Forest. Comment
  POM359339  Ericameria cuneata var. cuneata L. E. Hoffman 1931-11-28 s.n. Los Angeles Holcomb Creek, Angeles National Forest. Comment
  JEPS31285  Ericameria linearifolia I. W. Clokey and B. C. Templeton 1930-4-8 4717 Los Angeles San Francisquito Canyon 700 Comment
  OBI2904  Ericameria linearifolia Lewis S. Rose 1968-4-5 68016 Los Angeles Acton, Mojave Desert 823 Comment
  RSA0085503  Ericameria linearifolia R. G. Swinney 2010-6-1 13123 Los Angeles Lower west side of Carson Mesa, 0. 8 miles south of Pearblossom Hwy., 0.35 miles east of Angeles Forest Hwy on north side of dirt service rd. 1037 Comment
  SBBG62622  Ericameria linearifolia R. Hoffmann 1925-4-19 Los Angeles Antelope Valley Comment
  UC830491  Ericameria linearifolia I. W. Clokey and B. C. Templeton 1930-4-8 4717 Los Angeles San Francisquito Canyon 700 Comment
  UCR270943  Ericameria linearifolia R. G. Swinney 2010-5-12 12723 Los Angeles San Gabriel Mountains, Barrell Springs Road at jct. with 42nd St. East, on SW side of road from 30 to 150 meters west of 42nd, NE side of Palmdale Ditch, San Andreas Rift Zone 921 Comment
  CAS-BOT-BC298894  Ericameria nauseosa var. bernardina I. M. Johnston 1917-8-22 1653 Los Angeles San Antonio Mts. Pine Mt Ridge 2438 Comment
  CAS-BOT-BC298053  Ericameria nauseosa var. mohavensis Ernest C. Twisselmann 1959-10-4 5852 Los Angeles San Emigdio Range and the Mt Pinos Region. Gorman: waste area at the Standard Oil Service Station 1127 Comment
  CAS-BOT-BC298190  Ericameria nauseosa var. oreophila Le Roy Abrams; E. A. McGregor 1908-6-30 832 Los Angeles Palmdale, Mojave Desert Comment
  UC203162  Ericameria nauseosa var. oreophila H. M. Hall 1917-10-26 10575 Los Angeles Lancaster 716 Comment
  LA201908  Ericameria palmeri var. pachylepis Arthur C. Gibson; 2003-9-27 4964 Los Angeles 365 Comment
  RSA661172  Ericameria parishii LeRoy Gross 2001-9-1 446 Los Angeles Verdugo Mountains; north side, Along Hostetter Mountain Way. 610 Comment
  SEINET13276825 Image available Ericameria parishii R. G. Swinney 2011-1 15749 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 (Chilao Flat 7.5' Q.) (T3N R11W S34) 1536 Comment
  UCR259652  Ericameria parryi R. G. Swinney 2010-10-8 14004 Los Angeles San Gabriel Mountains, Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge 2453 Comment
  SBBG62765  Ericameria teretifolia R. Hoffmann 1927-9-23 Los Angeles Palmdale Comment
  SFV3843  Erigeron bonariensis R. J. Laufenberg 1962-5-28 s. n. Los Angeles San Fernando Valley Northridge, Botanical Garden of San Fernando Valley State College. 260 Comment
  RSA729210  Erigeron breweri R. G. Swinney 1998-10-3 6998 Los Angeles San Gabriel Mtns.: upper Fish Fork San Gabriel River., c. 1/2 mile east (upstream) from upper Fish Fork Campground, above 2nd waterfall in tributary from N side of San Antonio Ridge 1991 Comment
  RSA730298  Erigeron foliosus R. G. Swinney 1998-9-4 6918 Los Angeles San Gabriel Mtns.: NW of Wrightwood, eastern end of Jackson Flat. 2287 Comment
  UCR189956  Erigeron foliosus R. G. Swinney 1998-9-4 6890 Los Angeles San Gabriel Mtns., dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi. east of Hwy 2 on 3N06 2241 Comment
  UCSB6498  Erigeron foliosus Kamb, Peter 1948-7-13 Los Angeles Big Tujunga Canyon at Wildwood, San Gabriel Mts. 548 Comment
  PASA1732  Erigeron linifolius Sally Ellis 1939-10-2 Los Angeles Claremont Comment
  UCD119239  Eriodictyon crassifolium Gordon Pilone 1961-2-18 89 Los Angeles Hartley Ranch on Frazier Road and Hwy 99. Tehachapi Mt. Range. San Joaquin Valley Drainage Area. 1219 Comment
  RSA582237  Eriodictyon crassifolium var. crassifolium Louis C. Wheeler 1933-6-24 1882 Los Angeles Verdugo Creek, Verdugo Hills. 534 Comment
  RSA305933  Eriodictyon crassifolium var. nigrescens Henry J. Ramsey, Henry J. Ramsey 1938-5-1 1215 Los Angeles Altadena, Eaton Canyon Park Comment
  RSA587610  Eriodictyon crassifolium var. nigrescens Orlando Mistretta 1994-4-29 1139 Los Angeles San Gabriel Mountains, Santiago Canyon. 1143 Comment
  UCR152676  Eriodictyon crassifolium var. nigrescens A. C. Sanders, Helen Kennedy 2005-4-13 29415 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCR271125  Eriodictyon parryi R. G. Swinney 2011-7-8 15502 Los Angeles San Gabriel Mountains, 'Strawberry Potrero', uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  SEINET10497049  Eriodictyon traskiae Jon Ricketson, Heidi H. Schmidt; Janet Takara 1992-10-20 Ricketson 4804 Los Angeles Santa Catalina Island; Catalina Conservancy Land, lower Cape Canyon Reservoir. Along Cape Canyon Trail (Road), .4 miles from junction to Airport Road. 8 miles northwest of the city of Avalon. Collections made in cooperation with the Catalina Conservancy. 500 Comment
  UCR274073  Eriodictyon traskiae Steven A. Junak 2000-5-19 SCa- 1306 Los Angeles California Islands, Santa Catalina Island, along road to White's Landing, 0.1 mile from intersection with airport road 409 Comment
  UCR206421  Eriodictyon trichocalyx R. G. Swinney 2008-6-4 8945 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, c. 100 m SW of park headquarters/nature center 1470 Comment
  RSA455057  Eriodictyon trichocalyx var. trichocalyx C. R. Parks 1963-2-16 145 Los Angeles along southern slope on upper Bear Creek Trail just west of Crystal Lake, 12 miles north of Azusa. 1372 Comment
  UCR223534  Eriogonum R. G. Swinney 2009-5-27 10909 Los Angeles Transverse Range; San Gabriel Mtns., South Fork Little Rock Creek, road between Alder Saddle and road to Sulphur Springs Campground, 4 m above canyon bottom along roadside 1591 Comment
  UC517517  Eriogonum angulosum John Thomas Howell 1930-5-12 4883 Los Angeles 3 mi s Palmdale Comment
  SBBG61890  Eriogonum baileyi R. Hoffmann 1928-6-27 Los Angeles Gorman Comment
  RSA578119  Eriogonum baileyi var. baileyi Tim S. Ross, S. D. Boyd 1994-9-20 8234 Los Angeles 2 miles NW of Acton: sandy wash, S side of intersection Escondido Canyon Road and Red Rover Mine Road. 884 Comment
  RSA579582  Eriogonum baileyi var. baileyi Tim S. Ross, S. D. Boyd 1994-9-21 8282 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
  RSA709373  Eriogonum brachyanthum A. C. Sanders, Mark A. Elvin 2003-8-7 27171 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur. 267 Comment
  CAS-BOT-BC241901  Eriogonum cinereum Mrs. H. P. Bracelin 1931-10-11 570 Los Angeles Lower Topanga Canyon, about one and one-half miles east of ocean beach. Santa Monica Mts. Comment
  UCR281602  Eriogonum davidsonii R. G. Swinney 2014-4-17 16102 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, 1.2 miles east of Cheseboro Rd., 100-400 m south of California Aqueduct 968 Comment
  POM182395  Eriogonum elongatum Joseph A. Ewan 1931-10-29 5274 Los Angeles 1/2 mi. below Seminole Hot Springs. 396 Comment
  UCR111217  Eriogonum elongatum Mrs. H. P. Bracelin 1931-10-11 571 Los Angeles Western Transverse Range; Santa Monica Mtns., lower edge of Topanga Canyon, about 1.5-3.0 miles east of ocean beach 200 Comment
  UCR229416  Eriogonum elongatum Dan S. Cooper 2010-9-7 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Royce Canyon, Griffith Park, Los Angeles 320 Comment
  POM305057  Eriogonum elongatum Henry J. Ramsey, Henry J. Ramsey 1937-1-2 362 Los Angeles Altadena. 396 Comment
  CAS-BOT-BC249764  Eriogonum elongatum var. elongatum Geo. B. Grant 1901-9-19 s.n. Los Angeles Pasadena Comment
  PASA1468  Eriogonum fasciculatum Ruth M. Evans 1932-3-15 Los Angeles Lone Hill, Glendora Comment
  UCR273257  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2011-10-25 15860 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
  CAS-BOT-BC253202  Eriogonum fasciculatum var. fasciculatum Timothy S. Ross; Steve Boyd 1994-5-25 7937 Los Angeles Hanging basin ca 470-830 m W of Warm Springs Mtn. summit, These collections from ca 600-800 m WSW of summit, Nectie Basin, Liebre Mountains 1075 Comment
  RSA653900  Eriogonum fasciculatum var. foliolosum Valerie L. Soza, Shalini Deo, Stephen Dreher 2000-4-27 818 Los Angeles Verdugo Mountains, south side: Stough Canyon, along Stough Canyon Avenue (Walnut Avenue) before gate to nature center, W of De Bell Municipal Golf Course. 396 Comment
  SEINET4557591  Eriogonum fasciculatum var. foliolosum Jeannie Gregory, Vistoria Marshall 2009-1 3252 Los Angeles Mesa Grande, Nature Conservancy (Whetly Property), 2 miles W of Morettis Junction (Pala Road & Hwy 79) E of Mesa Grande Road, 2.5 miles S of dam at Lake Henshaw. 1061 Comment
  UC1032042  Eriogonum fasciculatum var. foliolosum A. D. Gifford 1934-4-26 161 -C Los Angeles head of Ramera Canyon Triunfo Pass, Ramera Canyon Comment
  UC128613  Eriogonum fasciculatum var. polifolium H. M. Hall 1905-7-23 6720 Los Angeles Elizabeth Lake Comment
  UC150055  Eriogonum fasciculatum var. polifolium LeRoy Abrams 1902-6-30 2608 Los Angeles Mt. Wilson San Gabriel mountains, Mt. Wilson Comment
  UCR159919  Eriogonum fasciculatum var. polifolium Orlando Mistretta 1993-6-2 865 Los Angeles San Gabriel Mountains, San Gabriel Mountains: Vincent Gulch Mine 2079 Comment
  SD73469  Eriogonum giganteum var. giganteum Robert F. Thorne 1966-9-16 36724 Los Angeles Santa Catalina Island: dry rocky top of promontory , Lookout Point SE of Pebbly Beach 46 Comment
  SBBG62094  Eriogonum gracile R. Hoffmann 1927-9-21 Los Angeles Castaic Comment
  POM180160  Eriogonum gracile var. gracile Joseph A. Ewan 1931-10-29 5271 Los Angeles One mile above Malibu Lake. Comment
  RSA486470  Eriogonum gracile var. gracile Richard Noyes 1988-7-30 599 Los Angeles Burbank Canyon, NW of Thompson Creek Dam 525 Comment
  UCR127668  Eriogonum gracile var. gracile A. C. Sanders 2003-6-18 26936 Los Angeles N end of Santa Susana Mtns., ridge c. 900 m SW of 'Airport Mesa,' 1 mile SW of Castaic Junction, vicinity of BM 1302 ft., Newhall Ranch 396 Comment
  CAS-BOT-BC252237  Eriogonum grande var. grande Reid Moran 1958-9-16 6846 Los Angeles Canyon 2 miles SE of Eel Point, San Clemente Island 100 Comment
  HSC104217  Eriogonum heermannii R. G. Swinney 2008-8-13 9408 Los Angeles San Gabriel Mtns.: junction of High Desert Recreational Trail (10W09) and Dorr Canyon, 0.6 mi. S of Big Rock Creek Rd. 1634 Comment
  SBBG28224  Eriogonum heermannii C. B. Wolf 1931-11-8 2629 Los Angeles Big Rock Crk, 0.125 mi below Big Rock Ranger Stn 1066 Comment
  RSA233265  Eriogonum nudum var. pauciflorum Robert F. Thorne 1969-7-2 38305 Los Angeles San Gabriel Mountains, Angeles National Forest: Angeles Crest Highway, 3.2 miles WSW of Cloudburst Summit. 1982 Comment
  RSA567296  Eriogonum nudum var. pauciflorum Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3971 Los Angeles Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. [West Summit here construed as the 5605-foot knoll near the intersection of sections 3,4,9,10] 1390 Comment
  UCR245423  Eriogonum parishii Elizabeth A. Kempton, Eric Paul 2006-8-5 420 Los Angeles San Gabriel Mountains, along Hwy 2 at mile marker 59, 1.2 mi west of Krafka Ski Ridge Resort, 2 mi east of Buckhorn Flat Campground 1998 Comment
  LA82474  Eriogonum parvifolium O. H. Kappler; 1943-9-11 532 Los Angeles Comment
  CAS-BOT-BC258072  Eriogonum plumatella James L. Reveal 1978-6-25 4780 Los Angeles Along California Highway 138, 0.8 mile west of Pearblossom 914 Comment
  RSA611665  Eriogonum plumatella Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10096 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
  UC586860  Eriogonum saxatile Joseph Andorfer Ewan 1934-8-11 8342 Los Angeles 1/2 mi above Buckhorn 2042 Comment
  UCR150452  Eriogonum saxatile R. G. Swinney 1999-6-21 7366 Los Angeles San Gabriel Mtns., Big John Flat 1671 Comment
  CAS-BOT-BC267617  Eriogonum saxatile Geo. B. Grant 1906-6-17 6115 Los Angeles Summit Mt. Willson Comment
  RSA424971  Eriogonum thurberi F. R. Fosberg 1930-8-3 S 3081 Los Angeles Lexington Wash San Gabriel River. El Monte. 80 Comment
  UCR181241  Eriogonum umbellatum R. G. Swinney 1997-6-13 5571 Los Angeles San Gabriel Mtns, south of Pinon Hills, c. 0.5 mi. NE of Table Mountain, summit of ridge just west of San Bernardino Co. line 2073 Comment
  CAS-BOT-BC268166  Eriogonum umbellatum var. minus Wesley O. Griesel 1961-7-9 s.n. Los Angeles White Thorn Picnic Area, State Highway #2, San Gabriel Mts. 2286 Comment
  UC6465  Eriogonum umbellatum var. munzii Harvey M. Hall 1895-8-12 216 Los Angeles S. Antonio Mts. 2133 Comment
  RSA0036146  Eriogonum vimineum Anstruther Davidson 1891-1 1876 Los Angeles Little Rock Creek. Comment
  SBBG1561  Eriogonum wrightii var. nodosum H. and M. Dearing 1937-10-15 65 Los Angeles Mint Cyn near Palmdale Comment
  UCR204031  Eriogonum wrightii var. subscaposum R. G. Swinney 2001-9-15 8155 Los Angeles San Gabriel Mountains, Mt Islip 2515 Comment
  OBI16511  Eriophyllum confertiflorum Robert J. Rodin 1953-5-17 5823 Los Angeles Near hwy 101 3 miles S of Gorman Comment
  POM155753  Eriophyllum confertiflorum M. B. Dunkle 1928-4-22 1891 Los Angeles Low shrubby hillside Buttonshell, Santa Catalina Island. 12 Comment
  RSA0094357  Eriophyllum confertiflorum R. G. Swinney 2011-5-18 14134 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail. 366 Comment
  RSA545330  Eriophyllum confertiflorum Timothy S. Ross 1992-4-14 6155 Los Angeles San Clemente Island. Central E side of island; just below the mouth of Nanny Canyon on the rocky, rutted slope that drains northward. 137 Comment
  RSA579237  Eriophyllum confertiflorum Timothy S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, Darin L. Banks, Megan Tommerup 1994-3-28 7413 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes, unnamed horseshoe shaped canyon to NE of upper Forrestal Drive 168 Comment
  RSA724640  Eriophyllum confertiflorum K. Dobry 1991-6-24 D- 755 Los Angeles At Soka Univ. Santa Monica Mts. Las Virgenes and Mulholland Hwy. Comment
  RSA771563  Eriophyllum confertiflorum R. G. Swinney 2009-5-28 10940 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  RSA0098779  Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-6-1 14952 Los Angeles San Gabriel Mountains: Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy 1096 Comment
  RSA0110892  Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-5-6 14618 Los Angeles San Gabriel Mountains: north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road. 793 Comment
  UC90265  Eriophyllum confertiflorum var. confertiflorum T. S. Brandegee May 1890 Los Angeles Santa Catalina Island Comment
  RSA764755  Eriophyllum confertiflorum var. trifidum Doris Bowers 1974-4-4 2170 Los Angeles Palos Verdes Pen. 244 Comment
  SD45602  Eriophyllum confertiflorum var. trifidum Darley F. Howe 1953-5-3 Los Angeles Santa Catalina Island, hillside at mouth of Wain Canyon. Comment
  UC1250449  Eriophyllum pringlei Isabelle Tavares and Valera Brinson 1962-4-16 267 Los Angeles 5.2 mi e of junction with Goode Hill Road Elizabeth Lake Road Comment
  UCR186975  Eriophyllum pringlei A. C. Sanders 2006-4-10 31992 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1006 Comment
  SD252347  Erodium botrys Steven A. Junak 2000-6-30 Sca 1354 Los Angeles Santa Catalina Island: Above Airport Road, across from Wrigley Reservoir, at turnoff for East Summit Vista area. 427 Comment
  RSA717034  Erodium cicutarium Gary Kovnat, LeRoy Gross 2003-2-16 32 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. 683 Comment
  UCR179701  Erodium cicutarium R. G. Swinney, Dave Larson 1996-7-17 5130 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  UCD103235  Erodium cicutarium Louis C. Wheeler 1967-5-15 9605 Los Angeles San Gabriel Mountains: Whitney Canyon near Newhall. 487 Comment
  LA212293  Erysimum asperum Nancy Anderson; 1955-5-21 s.n. Los Angeles Van der Venter Flat. Comment
  CAS-BOT-BC40710  Erysimum capitatum Elizabeth McClintock 1965-7-2 s.n. Los Angeles San Gabriel Mountains, Table Mountain, above Wrightwood. 2133 Comment
  RSA135175  Erysimum capitatum var. capitatum P. H. Raven 1960-5-15 15371 Los Angeles Piuma Road 5.1 miles north-west of Rambla Pacifica [Rd]. 213 Comment
  SEINET3150601  Erythraea venusta G. B. Grant 1901-1-1 441 Los Angeles Oak Knoll, Pasadena; Central and S. Calif. Comment
  SDSU10775  Erythranthe guttata Gerald Collier 1951-5-5 Los Angeles Santa Anita Canyon, 1 mmile from base of Chantry Flats Trail, up canyon. San Gabriel Mtns. Comment
  UCR178616  Eschscholzia caespitosa R. G. Swinney 1989-6-10 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon 396 Comment
  RSA0094364  Eschscholzia californica R. G. Swinney 2011-5-31 14923 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
  UCR197235  Eschscholzia californica Valerie Soza, Ileene Anderson, LeRoy Gross 2000-6-6 980 Los Angeles Verdugo Mountains, southwest side, north of Chandler Fire Road (Verdugo Mtwy), northwest of 'La Tuna,' above Chandler Canyon, south of La Tuna Canyon 427 Comment
  POM243801  Eschscholzia californica var. peninsularis F. R. Fosberg 1931-4-16 4650 Los Angeles Eagle Nest, Middle Ranch Canyon, Santa Catalina Island. 200 Comment
  POM18263  Eschscholzia minutiflora P. A. Munz 1923-5-26 6802 Los Angeles Big Rock Creek. 1280 Comment
  SBBG128384  Eschscholzia ramosa M. L. Hoefs 1991-4-16 1100 Los Angeles Renton Mine Rd 249 Comment
  RSA604202  Eucalyptus camaldulensis Louis C. Wheeler 1972-5-25 s.n. Los Angeles Cobb Estate. Comment
  UCR260372  Eucalyptus camaldulensis R. G. Swinney 2010-2-27 11664 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
  CATA3225  Eucalyptus cladocalyx Julia Parish, Laura Roll 2016-12-2 017 Los Angeles Santa Catalina Island: North side of Middle Ranch Rd., about 0.75 miles up canyon from southwest end of Skull Ridge Rd. 235 Comment
  UCR277214  Eucrypta chrysanthemifolia R. G. Swinney 2010-5-25 12934 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA653847  Eucrypta chrysanthemifolia var. chrysanthemifolia Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O Brien 2000-4-25 762 Los Angeles Verdugo Mountains, south side: Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mtwy. 488 Comment
  UCR259081  Eulobus californicus R. G. Swinney 2010-10-15 14052 Los Angeles San Gabriel Mountains, from Little Tujunga Wash at the I-210 Fwy, to the east end of Hansen Lake 329 Comment
  RSA627500  Euphorbia ocellata var. ocellata L. C. Wheeler 1965-6-21 8694 Los Angeles Alpine Butte: ca 3 mi east of 90th street east and Ave 6 on Ave 0 ca 1 mile west of Alpine Butte. Wildflower Sanctuary. Comment
  RSA127864  Euphorbia peplus P. H. Raven 1959-5-9 14174 Los Angeles Mulholland Hwy. 1 mile W. of Las Virgenes rd. Malibu Creek drainage. 244 Comment
  UCR273914  Euphorbia serpillifolia Steven A. Junak 2000-10-12 SCa- 1414 Los Angeles California Islands, Santa Catalina Island. Middle Canyon, along north side of Thompson Reservoir, northwest side of reservoir 204 Comment
  CDA33533  Euphorbia terracina Burton 2010-12-15 s.n. Los Angeles Rowland Heights. 17250 Colima Road. 0 Comment
  RSA638935  Euthamia occidentalis L. C. Wheeler 1966-10-1 8951 Los Angeles San Gabriel Mountains: Colby Ranch, Coldwater Canyon. 1097 Comment
  SBBG20529  Extriplex californica E. R. Blakley 1963-12-8 6403 Los Angeles beach; mouth of Horse Beach Cyn which is first cyn E of China Pt 3 Comment
  UCR227715  Fallopia convolvulus Orlando Mistretta, Christine Mistretta 2010-6-25 5353 Los Angeles San Gabriel Mountains, Forest Route 2N24 near head of north fork of Santa Anita Canyon along SCE transmission line corridor 1215 Comment
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Jul 17 2016
  UCR155136  Festuca microstachys A. C. Sanders 2005-5-5 29946 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, west edge of Cruzan Mesa, north of Bench Mark 'Plum 671 Comment
  UCR270822  Festuca microstachys R. G. Swinney 2011-6-14 15139 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  UCR186931  Festuca microstachys var. ciliata A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32023 Los Angeles Tehachapi Mtns. Foothills, west end of Antelope Valley, north of Hwy 138 near mouth of Tentrock Canyon, c. 1 mile NW of La Liebre Ranch (High Desert Hunt Club) buildings 945 Comment
  CAS-BOT-BC500437  Ficus microcarpa R. E. Riefner, Jr. 2014-8-11 14 -284 Los Angeles City of Long Beach, Belmont Shores, N side of Ocean Blvd. at Prospect Ave. 4 Comment
  RSA0088632  Ficus microcarpa R. E. Riefner Jr. 2015-7-19 15 -203 Los Angeles City of Carson, Dominguez Channel at Figueroa St. growing on S channel bank. 7 Comment
  UCD170919  Ficus palmata R. G. Swinney 2008-5-30 8891 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, west bank of the river. 256 Comment
  RSA618676  Filago gallica L. C. Wheeler 1967-5-18 9612 Los Angeles Angeles National Forest; Placerita Canyon. 518 Comment
  RSA628722  Forestiera pubescens R. S. Woglum 1942-5-20 3333 Los Angeles Transverse Ranges / Mojave Desert transition: Little Rock Dam Lake; Angeles National Forest. Comment
  UCR256474  Frangula californica R. G. Swinney 2010-9-9 13769 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  CAS-BOT-BC53325  Frangula californica subsp. cuspidata Chester Dudley 1931-7-1 s.n. Los Angeles San Gabriel Valley Comment
  RSA391388  Frankenia grandifolia Robert Gustafson 1980-8-8 1895 Los Angeles Ballona Wetlands, Area 2. Comment
  RSA5877  Frankenia grandifolia Carl B. Wolf 1932-9-16 4094 Los Angeles Bryant Ranch, 100 to 150 ft W of State Highway at SE corner of Pacific Western Oil Co. lease in 1705 acre portion 2 Comment
  SEINET11978025  Frankenia salina J. F. Bright, Wyman, C. 1931-1 5720 Los Angeles In and around Hollywood Comment
  CAS-BOT-BC217364  Frasera neglecta Victor Duran 1933-7-8 3501 Los Angeles Horse Flats, San Gabriel Mts. 1676 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
  RSA712721  Fraxinus velutina A. C. Sanders 2003-3-14 25773 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd., north edge of 210 freeway east of the San Gabriel River channel. 159 Comment
  POM1726  Fritillaria biflora Philip A. Munz 1918-4-21 2909 Los Angeles South Hills near Pomona. 305 Comment
  SFV4978  Galinsoga parviflora M. H. Grayum 1971-9-25 s. n. Los Angeles Westwood. University of California, Los Angeles campus. Botanical garden near corner of LeConte and Tiverton.. 110 Comment
  CAS-BOT-BC223026  Galium angustifolium A. C. Sanders; Helen Kennedy 2005-4-13 29458 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA306184  Galium angustifolium subsp. angustifolium Fay A. MacFadden 1931-03 s.n. Los Angeles La Tuna Canyon, Verdugo Hills Comment
  RSA747448  Galium angustifolium subsp. angustifolium R. G. Swinney 2005-5-14 8239 Los Angeles NE of Valyermo, Bob's Gap, ridge-top north of lime kilns 1220 Comment
  SBBG68827  Galium angustifolium subsp. angustifolium R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  UCR177309  Galium angustifolium subsp. angustifolium LeRoy Gross, Michael Denslow, B. Hogshead, Sarah Swartzentruber 2003-6-17 1029 Los Angeles Transverse Ranges; Verdugo Mountains, South side of mountains, along road across from Brand Canyon Debris Basin, at mouth of Brand Canyon 262 Comment
  RSA592371  Galium aparine Mark Hoefs 1974-3-28 425 Los Angeles Santa Catalina Island; upper Bulrush Canyon. 220 Comment
  SBBG68872  Galium aparine R. Hoffmann 1927-6-14 Los Angeles Pine Cyn Comment
  UCD121696  Galium aparine Mark Hoefs; Doug Propst 1973-4-6 154 Los Angeles Santa Catalina Island: Middle of Cape Canyon. 304 Comment
  RSA776477  Galium bifolium Jane Tirrell 2011-6-23 LS- 22 Los Angeles Lily Spring 2462 Comment
  CAS-BOT-BC217466  Galium catalinense Reid Moran 1941-2-23 606 Los Angeles South of Johnson's Valley, Santa Catalina Island 200 Comment
  UC185699  Galium catalinense W. S. Lyon 1884-1 Los Angeles Santa Catalina Island Comment
  SD90516  Galium catalinense subsp. acrispum Robert F. Thorne 1973-4-11 42842 Los Angeles San Clemente Island: wet bottom of Norton Canyon 900 Comment
  RSA678825  Galium grande Valerie L. Soza, Samantha Tessel 2001-6-18 1282 Los Angeles Upper Winter Creek Trail, above Santa Anita Canyon, ca. 0.3 mile from trailhead out of Chantry Flat area. 716 Comment
  UC284889  Galium hallii P. A. Munz 1923-9-1 7705 Los Angeles Swartout Valley San Gabriel Mts. 2042 Comment
  UC2026470  Galium jepsonii Louis C. Wheeler 1967-8-1 10209 Los Angeles SAN GABRIEL MOUNTAINS: Granite Mt. Comment
  LA50673  Galium nuttallii subsp. nuttallii Martha Hilend; K. Kinsel 1929-3-9 sn Los Angeles SANTA MONICA MOUNTAINS, Cahuenga Hills, W of Hollywood Lake. Comment
  POM4415  Galium parishii I. M. Johnston 1917-8-22 1691 Los Angeles Summit of Baldy. 3049 Comment
  RSA67145  Galium parishii F. W. Peirson 1922-7-5 3158 Los Angeles North of Big Pines, sometimes called La Montaine, San Gabriel Mountains 2256 Comment
  CATA1867  Galium parisiense Denise Kraus 2000-7-27 47 Los Angeles Santa Catalina Island: Wild Boar Gully, northern edge of inner Cercocarpus exclosure (across gully and above C. traskiae ""B"") 182 Comment
  RSA0091505  Galium porrigens R. G. Swinney 2011-10-10 15734 Los Angeles east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1537 Comment
  RSA573727  Galium porrigens Tim S. Ross, Steve D. Boyd 1992-7-5 6629 Los Angeles Red Mountain: mesic draw draining E from the saddle between the Red Mtn summit area and the 3704 foot knoll to the SE of it. 1024 Comment
  UC1409198  Galium porrigens Robert F. Thorne 1971-4-2 41416 Los Angeles n Mountain Ave.; San Gabriel Mts., Claremont, Johnson's Pastures 548 Comment
  UC1595495  Galium porrigens var. porrigens Tim Ross 1992-7-10 6679 Los Angeles creek between Coldwater Canyon and Wickiup Canyon (n and ne slope above stream); San Gabriel Mountains, Big Tujunga Creek 975 Comment
  HSC46489  Gambelia speciosa Reid Moran 1941-2-23 602 Los Angeles Santa Catalina Island, NW of Johnson's Valley 10 Comment
  UC2047224  Gamochaeta A. C. Sanders, T. B. Salvato 2009-5-20 36869 Los Angeles San Gabriel Valley: Whittier Narrows Recreation Area near Legg Lake, under SCE power lines east of Rosemead Blvd. (Highway 19) and west of Santa Anita Ave. El Monte 7.5' Quad. Comment
  CAS-BOT-BC186346  Garrya flavescens Timothy S. Ross; Darin Banks 1994-4-13 7542 Los Angeles Lower Spunky Canyon: eastern slope at the effluence of the canyon into Bouquet Reservoir 926 Comment
  CAS-BOT-BC186372  Garrya flavescens W. R. Dudley 1900-7-9 s.n. Los Angeles San Gabriel Pk, San Gabriel Mts. Comment
  RSA632430  Garrya flavescens Valerie L. Soza, LeRoy Gross, Jean Kuo 1999-7-6 609 Los Angeles San Gabriel Mountains: Southwestern side of Big Rock Creek, Manzanita Trail from South Fork Campground. 1585 Comment
  RSA13880  Gastridium phleoides L. C. Wheeler 1933-6-7 1859 Los Angeles UCLA campus at Westwood. 137 Comment
  SD239836  Gayophytum R. G. Swinney 2008-7-15 9228 Los Angeles San Gabriel Mountains: Winston Peak (Waterman Mountain 7.5'Q) 2281 Comment
  SBBG61275  Gayophytum diffusum subsp. parviflorum R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk 1280 Comment
  RSA630265  Gayophytum heterozygum Scott D. White, Dave Bramlet 1998-8-11 7026 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mile closed section of Highway 39 from ca. 1.6 mile W of junction Crystal Lake access road to junction Highway 2. 1707 Comment
  UCR269991  Gayophytum heterozygum R. G. Swinney 2011-7-21 15549 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  CDA4131  Genista T. C. Fuller 1962-4-1 8156 Los Angeles Verdugo Mountains region; Naturalized on slope of Barranca N.E. of Foothill Blvd. & Hillard Ave. La Canada 0 Comment
  CAS-BOT-BC208063  Genista monspessulana Timothy S. Ross 1993-6-1 7365 b Los Angeles San Gabriel Mountains. NW margin of Chantry Flat. 667 Comment
  RSA746405  Gilia R. G. Swinney 2003-7-11 8296 Los Angeles Juniper Hills, Pallet Creek 0.4 mi south of Tumble Weed Ranch in Pallet Creek. Spring on east side of wash/small pond 1280 Comment
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Dec 7 2018
  RSA772306  Gilia R. G. Swinney 2009-4-28 10527 -A Los Angeles summit of Mt. Emma. 1585 Comment
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Dec 7 2018
  UCR277244  Gilia R. G. Swinney 2011-4-19 14392 Los Angeles San Gabriel Mountains, San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  RSA721305  Gilia aliquanta subsp. aliquanta R. G. Swinney 1998-4-14 5971 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
  RSA708576  Gilia angelensis Valerie L. Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1162 Los Angeles Ridgetop above McDonald Creek. 457 Comment
  RSA470107  Gilia angelensis E. S. Spalding 1925-4-29 s.n. Los Angeles Waste lot, Glendale Comment
  SDSU3068  Gilia angelensis R. M. Beauchamp 1967-3-20 378 Los Angeles On slope above Abalone Point, south of Avalon. San Clemente Island. Comment
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May 16 2008
  RSA524615  Gilia brecciarum subsp. brecciarum Tim Ross, Steve Boyd 1990-5-17 2584 Los Angeles Mill Creek Tree Plantation, Tujunga District, Angeles National Forest. 1613 Comment
  RSA656061  Gilia capitata subsp. abrotanifolia James Henrickson 1985-3-30 19793 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 354 Comment
  RSA724532  Gilia capitata subsp. abrotanifolia K. Dobry 1991-5-22 d- 671 Los Angeles Soka University NE section. Santa Monica Mts. 1 mi East of Las Virgenes Rd off Muholland Hwy. Comment
  SBBG51638  Gilia capitata subsp. abrotanifolia R. Gustafson, C. Davidson 1977-4-20 411 Los Angeles San Clemente Island 762 Comment
  RSA71901  Gilia capitata subsp. abrotanifolia F. W. Peirson 1903-3-28 916 Los Angeles Benedict's Canyon, Santa Monica Mountains. Comment
  UCR110588  Gilia inconspicua L. C. Wheeler 1963-5-5 8252 Los Angeles San Gabriel Mtns, Bear Creek, off West Fork San Gabriel River 549 Comment
  RSA624988  Gilia inconspicua L. C. Wheeler 1963-5-5 8252 Los Angeles San Gabriel Mountains: Bear Creek, off West Fork San Gabriel River. Comment
  CAS-BOT-BC225333  Gilia latiflora subsp. cuyamensis Steve Boyd; Lauren Raz 1997-5-20 9816 Los Angeles Eastern flank of Liebre Mountain, along ridge top firebreak near the head of the North Fork Fish Canyon, due north of Atmore meadows and west of the saddle between Liebre and Sawmill mountains, Liebre Mountains Region 1584 Comment
  RSA469411  Gilia latiflora subsp. davyi Marjorie Shaw, Edna S. Spaulding, C. L. Walton 1917-4-6 s.n. Los Angeles Bouquet Canyon. Comment
  RSA67268  Gilia latiflora subsp. davyi Verne Grant, Alva Grant 1952-4-21 17557 Los Angeles along Hwy about 4 mi. S of Gorman on Tejon Pass rd. Comment
  UCSB33622  Gilia latiflora subsp. davyi Griesel, Wesley 1962-3-24 Los Angeles Quartz Hill; Mojave Desert 914 Comment
  UCR227607  Gilia leptantha subsp. transversa Orlando Mistretta, Christine Mistretta 2010-6-1 5230 Los Angeles San Gabriel Mountains, Mill Creek Canyon along Southern California Edison transmission line corridor, c. 1.0 air mi south of Mill Creek Summit, near spur road to Falcon Mine 1280 Comment
  SBBG97008  Gilia nevinii S. Boyd with T. Ross, L. Arnseth 1990-4-8 4381 Los Angeles near Malo Pt, third cyn S of Bryce Cyn Comment
  UC718476  Gilia ochroleuca subsp. bizonata Carl B. Wolf 1935-5-23 6994 Los Angeles 1/2 mi e Gorman (Liebre Mts.); , e of Gorman 1158 Comment
  RSA0016257  Gilia ochroleuca subsp. bizonata E. C. Twisselmann 1959-6-2 5324 Los Angeles Summit of Liebre Mountain 1677 Comment
  RSA0016264  Gilia ochroleuca subsp. bizonata Orlando Mistretta 1995-3-28 1653 a Los Angeles San Gabriel Mountains: Little Rock Creek Management Unit, Kitter Creek. 1280 Comment
  CAS-BOT-BC402063  Gilia ochroleuca subsp. vivida Geo. B. Grant 1902-6-1 506 Los Angeles Summit Mt. Wilson Comment
  UC879940  Gilia ochroleuca subsp. vivida Alice Eastwood 1919-6-20 9014 Los Angeles Mt. Wilson Comment
  UCR205909  Gilia splendens R. G. Swinney 2008-5-5 8779 Los Angeles San Gabriel Mtns., Punchbowl Canyon at north boundary of Devils Punchbowl County Park, confluence of East and West Forks of Punchbowl Cyn, 0.3 mi. south of Big Rock Creek 1256 Comment
  LA32023  Glebionis coronaria Peter H. Raven; Henry J. Thompson 1959-6-4 14325 Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  UCR95583  Glycyrrhiza lepidota Steve Boyd, M. Wall 1996-5-16 8782 Los Angeles Liebre Mtns., confluence of Ruby Canyon and Elizabeth Lake Canyon at northwest end of Red Mountain 585 Comment
  CDA27061  Glycyrrhiza lepidota var. glutinosa Agricultural Commissioner Los Angeles 0 Comment
  RSA747065  Gnaphalium californicum R. G. Swinney 2008-5-30 8898 Los Angeles San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  RSA729543  Gnaphalium canescens subsp. beneolens R. G. Swinney 1998-9-7 6940 Los Angeles San Gabriel Mtns.: Dawson Peak Ridge Trail at far NE tributary of upper Fish Fork San Gabriel River, 1.3 mi. west of Dawson Peak 2524 Comment
  POM358817  Gnaphalium chilense Anstruther Davidson 1917-06 s.n. Los Angeles Crescenta. Comment
  UCR126675  Gnaphalium luteoalbum A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26215 Los Angeles Western San Gabriel Mtns., Castaic Valley along Castaic Creek 0-2 km downstream from Lake Hughes Rd., Newhall Ranch 351 Comment
  CAS-BOT-BC302606  Gnaphalium palustre W. R. Shaw 1901-4-5 598 Los Angeles San Jose Hills, near Claremont 335 Comment
  POM358900  Gnaphalium palustre L. C. Wheeler 1934-3-31 2496 Los Angeles La Verne 305 Comment
  UCR182485  Gnaphalium stramineum R. G. Swinney 1994-5-7 2824 Los Angeles San Gabriel Mtns, Glendora Wilderness Park, 0.4-0.6 mi north of Big Dalton Canyon Road on Mystic Canyon Trail 488 Comment
  CAS-BOT-BC110273  Grayia spinosa Eugene Wells 1910-3-18 s.n. Los Angeles Lancaster, Antelope Valley. Comment
  JEPS59822  Grayia spinosa Frank W. Peirson 1921-5-19 1832 Los Angeles Little Rock Creek San Gabriel Mts., Little Rock Creek 975 Comment
  UCR240293  Grindelia R. G. Swinney 2009-11-18 11653 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, 1.7 miles west of junction of Bobs Gap Rd. and Valyermo Rd., at junction of Sand Rock Creek & Valyermo Rd., S side of road 1108 Comment
  RSA80715  Grindelia camporum var. bracteosa F. W. Peirson 1218 Los Angeles Road near Coldwater Canyon, Santa Monica Mts. Comment
  RSA430021A  Guillenia lasiophylla F. R. Fosberg 1931-4-13 4594 Los Angeles Pebble [Pebbly] Beach Canyon, Santa Catalina Island 25 Comment
  SEINET4691738  Gutierrezia microcephala R. G. Swinney 2009-1 11606 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert: confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station. 921 Comment
  SBBG62677  Gutierrezia sarothrae unknown 1928-8-26 Los Angeles Big Tujunga Wash Comment
  RSA90690  Gutierrezia sarothrae F. W. Peirson 1920-5-12 2130 Los Angeles Foothill Blvd. San Gabriel Wash, S base of San Gabriel Mts. 182 Comment
  UCR104152  Haplopappus menziesii Scott D. White, Pam DeVries 1997-11-20 6026 Los Angeles San Gabriel Mtns., Big Tujunga Wash, west of Sunland, SW of I-210 freeway, east of Hansen Dam, and north of Wentworth St. 335 Comment
  CAS-BOT-BC173171  Harpagonella palmeri Tim Ross 1993-4-22 6869 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); saddle on E side of peak 448 Comment
  POM369714  Harpagonella palmeri F. R. Fosberg 1931-4-24 S 4701 Los Angeles East slopes of Black Jack {Canyon}. Santa Catalina Island. 300 Comment
  SBBG117132  Harpagonella palmeri S. A. Junak with R. N. Philbrick 2001-5-17 SCa 1529 Los Angeles E of Little Harbor, near Sheep Chute Ridge Rd, ca. 0.5 mi from intersection with Little Harbor Rd 121 Comment
  UCR143227  Harpagonella palmeri F. R. Fosberg 1931-5-4 S- 4766 Los Angeles Channel Islands, Santa Catalina Island; Bullrush Canyon 200 Comment
  SBBG131692  Hazardia squarrosa S. A. Junak 1999-9-9 SCa 1078 Los Angeles E side of ridge between Toyon Bay and Gallagher Cove 97 Comment
  LA32037  Hazardia squarrosa var. grindelioides Peter H. Raven; Henry J. Thompson 1959-9-18 14453 Los Angeles Santa Monica Mountains, University of California, Los Angeles, Westwood. S of arroyo bridge 152 Comment
  UCR117110  Hedera helix A. C. Sanders, D. Malueg 2001-5-17 24325 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
  UCR277049  Hedera helix R. G. Swinney 2011-9-22 15677 Los Angeles San Gabriel Mountains, SE side of Camp Colby (Colby Ranch), Colby Grave marker, confluence of 'Inspiration Cyn.' & Coldwater Cyn., near spring & watertank 1140 Comment
  OBI79198  Hedypnois cretica A. C. Sanders, Dan S. Cooper 2010-4-30 38121 Los Angeles South Coast, Madrona Marsh, Torrance (Torrance 7.5' Q) 24 Comment
  RSA639244  Helianthemum scoparium R. F. Thorne, M. Z. Thorne 1971-4-25 41345 Los Angeles Johnson's Pasture north of Claremont 609 Comment
  RSA0048578  Helianthus annuus A. Lee Haines 1970-5-26 s.n. Los Angeles Topanga Canyon Blvd. and Mullholland, Woodland Hills. 304 Comment
  UCD132803  Helianthus annuus Elise Jackson 1993-3-30 15 Los Angeles Sylmar, Foothill Boulevard between Glenoaks and Balboa, east side of road. Disturbed sunny area next to road. Growing among grasses. Comment
  SDSU21079  Helianthus maximilianii Ian Cain, Ryan Gilmore 2010-4-15 1388 Los Angeles West of Palmdale along Elizabeth Lake Road 4.21km west north west from intersection with Highland Avenue 936 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
  SBBG13201  Heliotropium curassavicum E. R. Blakley 1961-9-24 4782 Los Angeles dry stream of Little Springs Cyn 15 Comment
  UCR131429  Heliotropium curassavicum Alison Lipman 1998-8-23 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  POM369744  Heliotropium curassavicum var. oculatum M. B. Dunkle 1930-7-23 2438 Los Angeles Little Harbor, Santa Catalina Island. Comment
  NY43120  Hemizonia clementina J. B. Walker 1995-6-5 1425 Los Angeles Santa Catalina Island, S end of White's Landing 3 Comment
  RSA360233  Hemizonia clementina M. B. Dunkle 1939-4-2 7214 Los Angeles San Clemente Island: Pyramid Point. 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
  UCR95544  Hemizonia fasciculata J. M. Porter, J. Travis Columbus, G. dos Santos 1996-6-5 10918 Los Angeles Transverse Range, c. 2 mi north of Solemint, just off Arline Road, 2 mi from intersection with Sierra Hwy 610 Comment
  UCR232374  Hemizonia pungens subsp. pungens Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-19 8066 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, along east side of Sierra Highway, 230 m south of Avenue E 702 Comment
  UCR184106  Herniaria hirsuta subsp. cinerea A. C. Sanders, T. B. Salvato 2007-4-24 33486 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
  LA22804  Hesperoyucca whipplei W. B. Welch; 1928-4-15 sn Los Angeles San Gabriel Mountains, Big Tujunga Comment
  RSA550432  Heterocodon rariflorum T. S. Ross 1992-7-10 6657 Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater Canyon & Wickiup Canyon. 967 Comment
  LA33620  Heteromeles arbutifolia Henry J. Thompson; 1958-11-29 1832 Los Angeles Santa Monica Mountains, 1 mi NW of Point Mugu opposite Mugu Salt Marsh 15 Comment
  UC620094  Heteromeles arbutifolia F. R. Fosberg 1931-5-21 S 4957 Los Angeles Santa Catalina Island; Cherry Valley 20 Comment
  UC860406  Heteromeles arbutifolia F. R. Fosberg 1931-5-21 S 4957 Los Angeles Cherry Valley; Santa Catalina Island 20 Comment
  RSA0074511  Heterotheca fastigiata L. C. Wheeler 1970-9-3 s.n. Los Angeles San Gabriel Mountains: Henninger Flats. 793 Comment
  RSA0074528  Heterotheca fastigiata Philip A. Munz 1947-9-21 12171 Los Angeles San Antonio Creek, at Base Line Road, 3 miles east of Claremont. 457 Comment
  UC481027  Heterotheca grandiflora C. F. Millspaugh 1920-1-1 4494 Los Angeles Descanso Canyon Santa Catalina Island, Descanso Canyon Comment
  RSA0074425  Heterotheca grandiflora Roxanne Smith 1991-5-7 20 Los Angeles Hills south-east of Golden Springs and Diamond Bar Blvd. 1/8 mile north of intersection of Clear Creek Canyon Drive & Steep Canyon Road. Comment
  RSA0074442  Heterotheca grandiflora Timothy S. Ross 1991-2-23 4099 Los Angeles Whittier Hills (Puente Hills): Upper Turnbull Canyon on slope dropping WNW from Turnbull Canyon Road x Skyline Drive. 293 Comment
  UC68926  Heterotheca sessiliflora subsp. echioides H. M. Hall 1905-7-1 6713 Los Angeles Antelope Valley Fairmount; Mohave Desert 853 Comment
  CHSC85569  Heterotheca sessiliflora subsp. fastigiata John Dittes 2003-12-27 860 C Los Angeles Western Transverse Range; Big Tujunga Canyon; floodplain of Big Tujunga Creek; ca. 1.8 air-miles north by northeast of Sunland, ca. 2.2 air-mile north by northeast of Verdugo Hills High School, ca. 0.9 air-mile southwest of confluence Gold Canyon. 520 Comment
  UC1577652  Heterotheca sessiliflora subsp. fastigiata Jerome S. Horton 1935-9-20 237 Los Angeles near C.C.C. Camp; Pomona Quad., Dalton Canyon Wash 304 Comment
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Sep 22 2020
  CAS-BOT-BC123637  Hieracium argutum Fordyce Grinnell 1903-12-22 13 Los Angeles Sierra Madre Mts., near Pasadena, Arroyo Seco Canyon Comment
  POM360458  Hieracium argutum Anstruther Davidson 1892-8-20 2040 Los Angeles Santa Anita Canyon Comment
  RSA607911  Hirschfeldia incana L. C. Wheeler 1961-6-13 7884 Los Angeles Pacoima Canyon near Dutch Louie Camp 716 Comment
  POM2575  Hoita macrostachya D. L. Crawford 1915-7-16 s.n. Los Angeles Live Oak Canyon -Claremont Comment
  SBBG113120  Hordeum intercedens S. A. Junak 1997-3-27 SCa 356 Los Angeles upper part of Cape Cyn drainage, ca. 0.65 mi SW of Black Jack Pk 396 Comment
  SBBG116999  Hordeum intercedens S. A. Junak 2001-5-3 SCa 1464 Los Angeles just N of Airport Rd, above head of Swain's (Swain) Cyn 408 Comment
  SBBG132062  Hordeum marinum S. A. Junak, B. Collins 1991-4-24 SCI 180 Los Angeles W side of W Shore Rd 36 Comment
  RSA0085030  Hordeum murinum R. G. Swinney 2010-6-21 13275 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  UCR92052  Hordeum murinum Scott D. White 1996-4-21 3937 Los Angeles Geneva Ave., north of San Jose, south of Arrow Hwy, west of Indian Hill Blvd., east of Towne Ave. 323 Comment
  LA14704  Hordeum murinum subsp. glaucum Carl Epling; May 1927 sn Los Angeles Ridge Route near Summit Comment
  POM21189  Hordeum murinum subsp. leporinum P. A. Munz 1923-4-8 6620 Los Angeles San Clemente Island, on west coast. Comment
  RSA639099  Hordeum murinum subsp. leporinum L. C. Wheeler 1967-5-15 9567 Los Angeles Ridge immediately east of Fremont Pass. 579 Comment
  SEINET11678430  Hordeum vulgare J. F. Bright, Wyman, C. 1933-1 8295 Los Angeles Tehachapi Mountains Comment
  UCR50850  Horkelia cuneata A. C. Sanders 1988-5-18 7835 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  POM293791  Horkelia cuneata subsp. puberula Lyman D. Benson 1945-5-11 11713 Los Angeles Canyon below Johnson's Pasture, Claremont. 549 Comment
  RSA29732  Horkelia cuneata subsp. puberula Louis C. Wheeler 1932-5-23 753 Los Angeles San Gabriel Wash at Arrow Hwy Comment
  UC12565  Horkelia cuneata subsp. puberula J. H. Barber 1897-4-20 146 Los Angeles Pomona Valley Comment
  UC56547  Horkelia cuneata subsp. puberula unknown 1902-4-29 205 Los Angeles N. Pomona Comment
  SBBG53999  Hosackia crassifolia var. crassifolia F. C. Boutin 1966-4-12 Los Angeles Mt Lukens, N of La Crescenta 1524 Comment
  RSA0011527  Hosackia oblongifolia var. oblongifolia Orlando Mistretta, Christine Mistretta 2011-6-23 5727 Los Angeles Aliso Cyn drainage. Near head of Gleason cyn, W of jct. of Forest Rd. 4N24 and Pacific Crest Trail. 1679 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
  SEINET7047936  Hymenoclea salsola Steven R. Hill, Kate Kramer 2001-4-22 33393 Los Angeles South side of California Route 138 (Pearblossom Highway) just east of Palmdale and about 1 mile west of Little Rock; west side of Little Rock Wash. Elevation about 2820 feet. Comment
  RSA286811  Hypericum androsaemum R. F. Thorne, Larry E. DeBuhr 1974-6-28 44764 Los Angeles Angeles National Forest: Lily Springs area on N slope of Mt. Hawkins, drainage of S Fork Big rock Creek. 2439 Comment
  LA202085  Hypochaeris glabra Elizabeth McClintock; 1943-5-20 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  UC651201 Image available Hyptis emoryi I. L. Wiggins 1935-2-20 7682 Los Angeles Wash 3 mi. from Los Angeles Bay. Comment
  RSA601867  Imperata brevifolia L. C. Wheeler 1964-3-18 8424 Los Angeles San Gabriel Mountians: About half way between Roberts Canyon and Fish Canyon. Comment
  SBBG86482  Ismelia carinata C. F. Smith 1958-3-30 5693 Los Angeles about Manhattan Beach Comment
  CAS-BOT-BC311713  Isocoma menziesii var. vernonioides L. R. Abrams 1901-8-21 2191 Los Angeles Port Los Angeles Comment
  RSA544546  Isocoma menziesii var. vernonioides Timothy S. Ross, E. Kellogg 1992-4-11 6120 Los Angeles San Clemente Island: vicinity of Wilson Cove settlement. Introduced and locally naturalized. 87 degrees East, ca 770 m from 'Harbor' knoll (648 ft.) or ca 178 degrees S, 770 m distat from 32'BM at Wilson Cove. Comment
  UCD133434  Isocoma menziesii var. vernonioides A. M. Johnson 1934-9-15 4535 Los Angeles Santa Monica Canyon, along Beverly (Sunset) Blvd., Santa Monica. Comment
  UCR152463  Isomeris arborea A. C. Sanders, Lee Jones 2005-4-8 29371 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  UCR180996  Isomeris arborea R. G. Swinney 1997-2-22 5407 Los Angeles San Gabriel Mtns., Duarte, due west of Fish Canyon mouth, south spur of SW end of Van Tassel Ridge 579 Comment
  RSA509586  Iva axillaris L. C. Wheeler 1967-7-23 10162 Los Angeles San Gabriel Mountains: Mojave Desert Slope: Barrel Spring. Comment
  RSA715752  Iva axillaris Scott D. White, Andrea Warniment 2006-7-7 11623 Los Angeles Gorman area, west of the I-5 Freeway at SR-138 interchange. SE Tehachapi Mts. 1006 Comment
  JEPS4938  Jepsonia malvifolia Herman Schroeder 1953-11-26 Los Angeles above Avalon; Catalina Island Comment
  RSA604527  Jepsonia malvifolia Mark Hoefs, Junak, Takara, Kirkland 1995-11-10 2559 Los Angeles Santa Catalina Island: just past the Isthmus, toward West end, by road. 34 Comment
  UCR282525  Juglans californica D. E. Bramlet 2011-5-10 4828 Los Angeles Puente Hills, 610 ft south of Powder Cyn., 368 ft. south of Fullerton Rd., 1,385 ft. west of N Harbor Blvd. 213 Comment
  UC5317  Juglans californica var. californica Wm. Shutt Oct. 1901 Los Angeles U.C. Forestry Station Santa Monica Comment
  RSA593557  Juncus acutus subsp. leopoldii Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz 1996-7-11 8920 Los Angeles Liebre Mountains, Castaic Creek, upstream from Fish Canyon, entering the narrower portion of the [floodplain?] 500 Comment
  UCR255499  Juncus balticus Dan S. Cooper 2014-6-26 614- 37 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, lower Brush Canyon 194 Comment
  UCR210428  Juncus bufonius R. G. Swinney 2008-11-29 9849 Los Angeles San Gabriel Mtns., mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  RSA532826  Juncus macrophyllus Timothy S. Ross 1991-8-14 5786 Los Angeles 0.48 mi E of Roundtop Truck Rd. 1917 Comment
  RSA618664  Juncus macrophyllus LeRoy Gross 1998-9-27 66 Los Angeles Liebre Mtns. Fish canyon.: Elizabeth lake canyon road to warm springs road ,west 7 miles to cienaga campground. to trail up into fish canyon. 883 Comment
  UCR204746  Juncus macrophyllus R. G. Swinney 2005-8-9 8420 B Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  IRVC5258  Juncus macrophyllus Peter H. Raven, H. J. Thompson 1960-7-17 15553 Los Angeles Dry rivulet near junction of Latigo Canyon with Mulholland Highway. 518 Comment
  RSA585691  Juncus macrophyllus Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3013 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon 1255 Comment
  RSA600726  Juncus macrophyllus L. C. Wheeler 1954-9-1 7088 -B Los Angeles San Gabriel Mountains; Little Rock Creek at Buckhorn. Comment
  RSA368129  Juncus mexicanus Anstruther Davidson 1920-07 s.n. Los Angeles Little Rock Creek. 1000 Comment
  UCR148045  Juncus textilis Steve Boyd, Amber Maurice 2004-5-18 11335 Los Angeles Transverse Ranges; Liebre Mountains region, Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain 610 Comment
  UCR216405  Juncus textilis Dan S. Cooper 2010-6-6 610- 63 Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Oak Canyon, Griffith Park 208 Comment
  UC57091  Juncus torreyi Ernest Braunton Jul 1902 559 Los Angeles Los Angeles River Comment
  RSA188239  Juncus xiphioides Robert F. Thorne, Percy C. Everett 1965-6-23 34955 Los Angeles Santa Catalina Island: lower portion of Middle Ranch Canyon 91 Comment
  UCR209134  Juncus xiphioides R. G. Swinney 2008-6-24 9084 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  CAS-BOT-BC81000  Juniperus californica Le Roy Abrams; E. A. McGregor 1908-7-2 531 Los Angeles Rock Creek, slopes of the San Gabriel Mountains 1158 Comment
  HSC79121  Juniperus californica James Henrickson 1973-5-12 9594 Los Angeles 9 mi. SW of Little Rock, .2 mi. S of Mt. Emma Rd., along Hwy. N3 1189 Comment
  NY21052  Juniperus californica A. D. E. Elmer 06 1902 3633 Los Angeles Palmdale. Comment
  RSA710805  Juniperus californica LeRoy Gross 2005-5-3 2244 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. 1085 Comment
  UC1134261  Juniperus californica A. Lewis 1934-2-1 272 Los Angeles head Escondido Canyon; San Fernando Quadrangle Comment
  UC1870278  Juniperus californica LeRoy Gross 2000-8-25 260 Los Angeles Big Tujunga Wash/ Verdugo Mountains; Big Tujunga Wash/ Verdugo Mountains: Orcas Park,entered from Foothill Blvd onto Orcas Ave. . Elev. 1066 Feet. 324 Comment
  UCSB212  Juniperus californica DeWitt, Jack 1959-5-15 Los Angeles On the road to Little Rock 3 miles south of Palmdale on Hwy. 6, 2.3 miles from jct. of 6 and Little Rock Rd. Comment
  CAS-BOT-BC234554  Justicia californica Geo. B. Grant No date on label 6703 Los Angeles Pasadena Comment
  POM244244  Keckiella breviflora Carl B. Wolf 1936-5-27 7842 Los Angeles Indian Canyon Camp, 2 miles off Soledad Canyon 915 Comment
  CAS-BOT-BC235748  Keckiella cordifolia F. A. M. 1933-5-1 3005 Los Angeles Tuna Canyon, Verdugo Hills Comment
  UCR258807  Keckiella cordifolia R. G. Swinney 2010-5-25 12980 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR78154  Keckiella cordifolia Wandalee Thompson 1964-6-30 58 Los Angeles Transverse Range; Liebre Mtns., Cottonwood Campground, Elizabeth Lake Canyon Road, Angeles National Forest. 808 Comment
  CAS-BOT-BC176831  Kochia californica A. D. E. Elmer 1902-6-1 3717 Los Angeles Lancaster Comment
  RSA230272  Koeleria macrantha R. F. Thorne 1969-7-2 38302 Los Angeles San Gabriel Mountains, Angeles National Forest: Angeles Crest Highway, 3.2 miles WSW of Cloudburst Summit 1982 Comment
  UCR179485  Koeleria macrantha R. G. Swinney 1996-8-7 5215 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half of Brown's Flat 1341 Comment
  LA204717  Krascheninnikovia lanata A. Handschiegel; 1925-5-19 sn Los Angeles Little Rock Creek Comment
  RSA725070  Krascheninnikovia lanata Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -81 Los Angeles Bob's Gap. At the south edge of Bob's Gap, on slopes and roadside, and down in the wash. 1444 Comment
  UCR280558  Krascheninnikovia lanata R. G. Swinney 2014-4-17 16073 Los Angeles San Gabriel Mountains, SW of Littlerock, 0.5-0.8 mi. east of Cheseboro Rd., 100-200 m south of CA Aqueduct, 0.66 mile due S of Hwy. 138/Pearblossom Hwy 957 Comment
  RSA0110558  Lactuca saligna Steven A. Junak, Keri Kirkland 1998-7-17 SCa- 777 Los Angeles Santa Catalina Island: Silver Canyon, at base of slope of E side of canyon, ca 0.7 air miles inland from beach. 76 Comment
  CAS-BOT-BC341490  Lagophylla ramosissima Timothy S. Ross; Steve Boyd 1994-6-23 8040 Los Angeles Liebre Mountains. Sawmill Mountain: 5514-ft summit and immediately adjacent slopes 1680 Comment
  CAS-BOT-BC273835  Lamarckia aurea Geo. B. Grant 1901-1-1 s.n. Los Angeles Pasadena Comment
  SEINET10537248  Lampranthus aurantiacus Jon Ricketson, Heidi H. Schmidt 1992-10-21 Ricketson 4821 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
  UCR54487  Lampranthus tenuifolius A. C. Sanders 1987-7-22 7169 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  UCR270993  Lantana montevidensis R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14350 Los Angeles San Gabriel Mountains, Little Santa Anita Cyn., base of Mt. Wilson Trail, above Mira Monte Ave., to 0.15 miles NE above the trailhead 427 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
  SEINET3448788  Lasthenia californica A. G. Vestal 1947-3-21 Los Angeles South of Carlebad, South of Carlebad, San Luis Rey Quadrangle (topo map) Comment
  UC89999  Lasthenia coronaria Rev. J. C. Nevin Los Angeles Los Angeles Comment
  SEINET13276743 Image available Lasthenia gracilis R. G. Swinney 2011-1 14467 Los Angeles San Gabriel Mountains/ Western Mohave Desert: Vincent, 2.9 miles SE of Lake Palmdale on Carson Mesa, 100-200 m east of Angeles Forest Hwy (Palmdale 7.5' Q.) (T5N R12W S23) 1000 Comment
  UCR272867  Lasthenia gracilis L. S. Rose 1968-4-5 68020 Los Angeles Western Transverse Range, Newhall Ranch 366 Comment
  POM361545  Lasthenia gracilis M. V. Hood 1940-4-7 s.n. Los Angeles Between San Fernando and Newhall 427 Comment
  RSA18348  Lasthenia gracilis C. B. Wolf 1926-5-1 469 Los Angeles 1 mile east of San Fernando Comment
  SD237425  Lathyrus vestitus R. G. Swinney 2008-6-25 9101 Los Angeles San Gabriel Mountains: Glelndora, West Harrow Canyon, 0.4 mi. NW of Harrow Canyon Debris Basin. 438 Comment
  UCR78126  Lathyrus vestitus Wandalee Thompson 1964-4-11 7 Los Angeles Transverse Range; Liebre Mtns., De La Fodor Ranch, Pine Canyon Road, N-2, c. 7 mi. west of Lake Elizabeth 1128 Comment
  UCSB3104  Lathyrus vestitus var. alefeldii Wedberg, H. 1958-2-22 Los Angeles 0.7 miles from Coast Hwy. 101 in Latigo Canyon, Santa Monica Mts. Comment
  RSA191152  Lathyrus vestitus var. vestitus R. F. Thorne 1967-6-25 37103 Los Angeles upper portion of Evey Canyon 883 Comment
  UCR256600  Lathyrus vestitus var. vestitus Anuja Parikh, Nathan Gale 2011-7-3 3531 Los Angeles Transverse Ranage; San Gabriel Mountains, along road to Barley Flats, 2.9 km west of Shortcut Station, 1.3 km north of State Hwy 2, Angeles Crest Hwy 1597 Comment
  RSA405684  Lathyrus vestitus var. vestitus E. Mannatt 1931-5-9 19217 Los Angeles Mt. Baldy Comment
  CAS-BOT-BC321531  Layia glandulosa Alice Eastwood 1906-5-27 236 Los Angeles Roscoe [Big Tujunga Wash] Comment
  POM11607  Layia glandulosa P. A. Munz 1921-6-17 4604 Los Angeles Swartout Valley, on high ridge. 2287 Comment
  POM50726  Layia glandulosa L. R. Abrams 1901-04 1402 Los Angeles Monte Vista. Comment
  UCR264735  Layia glandulosa Steve Boyd, Gary D. Wallace 2011-4-14 12317 Los Angeles Transverse Ranges; Liebre / San Gabriel Mountains region, Acton Wash ca. 3 km east of junction of Soledad Canyon Road and Crown Valley Road. 829 Comment
  UCR270224  Layia glandulosa R. G. Swinney 2011-6-15 15159 Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  JEPS40053  Layia glandulosa Frank W. Peirson 1925-4-23 5803 Los Angeles below Forks; San Gabriel Canyon 396 Comment
  RSA713244  Layia glandulosa LeRoy Gross 2005-5-3 2227 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  UCSB52708  Layia platyglossa Boutin, F. 1967-4-23 Los Angeles San Clemente Island; E side of island, Lemon Tank, a dump site 304 Comment
  SDSU4717  Layia platyglossa R. M. Beauchamp 1967-1-29 156 Los Angeles West and below Marine Outpost; San Clemente Island. Comment
  POM4842  Layia platyglossa subsp. campestris C. F. Baker 1904-4-1 4129 Los Angeles Claremont. 365 Comment
  UCR133742  Layia platyglossa subsp. campestris F. R. Fosberg 1931-5-2 S- 4735 Los Angeles Channel Islands, Bullrush Ridge, Santa Catalina Island 250 Comment
  RSA368963  Lemna minor B. C. Templeton, I. W. Clokey 1930-2-18 1485 Los Angeles Rancho La Brea. Comment
  UCD85248  Lepechinia fragrans Christopher Michael Bronny 2010-6-8 25 Los Angeles Los Angeles County; Central portion of Glendora Fuelbreak; San Gabriel Mountains. 600 Comment
  RSA716383  Lepechinia rossii LeRoy Gross, Valentin Arvizu, Bill Hogshead 2005-5-24 2311 Los Angeles Ruby Clearwater Truck Trail, south of Ruby Canyon, north of Red Mountain. 788 Comment
  RSA40488  Lepidium fremontii W. R. Dudley 1896-6-4 4312 Los Angeles Lancaster. Comment
  POM246460  Lepidium nitidum F. R. Fosberg 1931-4-15 4638 Los Angeles Eagles Nest, Middle Ranch Canyon Santa Catalina Island 210 Comment
  UC55211  Lepidium nitidum Jos. Burtt Davy 1901-1-25 Los Angeles Saugus Comment
  POM9842  Lepidium nitidum var. nitidum P. A. Munz, R. D. Harwood 1920-3-13 3314 Los Angeles San Jose Hills, 3 miles W of Pomona. 305 Comment
  UC511915  Lepidium perfoliatum Frank W. Peirson 1933-5-13 10666 Los Angeles 12 mi ne Lancaster Comment
  UC1595415  Lepidium pinnatifidum Tim Ross and Annette H. Ross 1991-7-29 5712 Los Angeles n base Elephant Hill (n-most point of the Puente Hills, w Pomona); Pomona, Puente Hills, San Dimas U.S.G.S. 7.5' Quad. 240 Comment
  UCR191186  Lepidium virginicum R. G. Swinney 1999-7-28 7585 Los Angeles San Gabriel Mtns., Iron Fork, a western tributary of East Fork San Gabriel River Canyon, c. 200 m above confluence 951 Comment
  CAS-BOT-BC60083  Lepidium virginicum var. menziesii Rev. M. C. Norris 1904-1-1 s.n. Los Angeles Burbank. Comment
  RSA748483  Lepidium virginicum var. virginicum Orlando Mistretta 1992-7-6 634 Los Angeles Kratka Ridge, spring by road. Comment
  RSA78378  Lepidospartum latisquamum J. C. Roos 1951-7-30 5073 Los Angeles Swartout Valley between Wrightwood and Big Pines 1982 Comment
  RSA715423  Lepidospartum squamatum R. G. Swinney 1997-9-6 5865 Los Angeles Forest Service Rd 4N06 (up Mescal Cyn), 2.6 mi N of Big Pines Rd. About 10 mi W of FS Rd. 75 meters S of only point where stream crosses road. 1585 Comment
  RSA591404  Leptochloa fusca subsp. uninervia L. C. Wheeler 1951-9-12 143 Los Angeles Foothill Blvd. at San Dimas Wash 365 Comment
  UCR209220  Leptodactylon pungens R. G. Swinney 2008-6-18 9065 Los Angeles San Gabriel Mountains, Juniper Hills, 1.5 miles SW of Cruthers Creek bottom, Burkhart Trail 1744 Comment
  RSA594882  Leptosiphon androsaceus T. S. Ross 1995-4-26 8399 Los Angeles Head of Liebre Gulch drainage along Forest Service Road 8N05, between Sandberg and Bald Mountain; ca 1740 feet W of Sandberg BM (4164 ft). 1204 Comment
  RSA788854  Leptosiphon breviculus J. Mark Porter, Lauren Machen 2012-5-30 15131 .2 Los Angeles Along CA Hwy 2 (Angeles Crest Highway) across the highway from Dawson Saddle Trail (and pull-off). 2412 Comment
  SD231401  Leptosiphon breviculus Sula Vanderplank, Leroy Gross & Steve Hoskinson 2005-5-6 19 Los Angeles Transverse Ranges; San Gabriel Mountains region: Off Big Pines Highway (Road north) on the north side of the San Gabriel Moutains. Near Shoemaker Canyon. Along ridge, wash, and roadside. 1444 Comment
  RSA73061  Leptosiphon ciliatus F. W. Peirson 1907-7-9 455 Los Angeles West Pine Flats at head of Tujunga Canyon. Comment
  POM364637  Leptosiphon liniflorus Anstruther Davidson 1897-05 1931 Los Angeles San Gabriel Mountains Comment
  RSA599902  Leptosiphon parviflorus L. C. Wheeler 1933-5-5 1691 Los Angeles San Gabriel Mountains: Fish Canyon. 274 Comment
  UCSB33299  Leptosyne bigelovii Griesel, Wesley 1962-4-14 Los Angeles Little Rock Dam, desert foothills of San Gabriel Mts. 1036 Comment
  SBBG15973  Leptosyne douglasii W. G. Webb 1935-4-20 Los Angeles near Lancaster Comment
  SD45617  Leptosyne gigantea Darley F. Howe 1953-3-22 2265 Los Angeles 22 miles north of Sunset Boulevard Coast north of Santa Monica Comment
  POM361799  Lessingia glandulifera var. glandulifera Anstruther Davidson s.n. Los Angeles Little Rock. [San Gabriel Mts.] Comment
  POM361800  Lessingia glandulifera var. glandulifera Fay A. MacFadden 1931-7-8 3080 Los Angeles Pacoima Wash, San Fernando Valley Comment
  CAS-BOT-BC339566  Lessingia glandulifera var. peirsonii Steve Boyd; Lauren Raz 1997-5-28 9897 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 938 Comment
  RSA584597  Leymus condensatus Timothy S. Ross, Orlando Mistretta 1993-5-26 7303 Los Angeles W end of the San Gabriel Mountains: near head of upper E Fork Wilson Canyon just E of 'Lupine Saddle', ca. 780 meters E of Wilson Canyon Saddle. 976 Comment
  SEINET8719009 Image available Leymus condensatus F. R. Fosberg 1931-1 S 4831 Los Angeles Cottonwood Canyon. Santa Catalina Island Comment
  UCR187359  Lilium humboldtii subsp. ocellatum R. E. Riefner Jr. 2006-6-12 06- 236 Los Angeles Transverse Range, East of Sunland, Verdugo Mountains, north side of 210 Freeway c. 0.6 mi west of La Tuna Canyon Rd. intersection 475 Comment
  UCR150047  Lilium parryi L. C. Wheeler 1967-9-4 10685 Los Angeles Transverse Ranges; San Gabriel Mountains, Ravine south of Camp Lupine, Prairie Fork 2043 Comment
  IRVC28165  Linanthus androsaceus A. C. Sanders, Mark A. Elvin, et al. 2003-5-1 26268 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. 442 Comment
  CAS-BOT-BC226762  Linanthus californicus Geo. B. Grant 1904-5-5 6189 Los Angeles Arroyo Seco Canyon Comment
  SEINET7042272  Linanthus ciliatus 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
  UC1929333  Linanthus concinnus Valerie Soza, Naomi Fraga 2003-7-3 1710 Los Angeles Transverse Ranges; San Gabriel Mountains region; Big Rock Creek; Manzantia Trail. 1593 Comment
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Aug 11 2014
  RSA250568  Linum usitatissimum Robert F. Thorne, M. Z. Thorne 1967-10-21 37384 Los Angeles San Gabriel Mountains, Angeles National Forest: Mt. Baldy Notch 2378 Comment
  RSA651308  Lippia nodiflora Phil Drooks 1981-5-21 52 Los Angeles Merced Ave and California Ave in West Covina. 610 Comment
  CAS-BOT-BC426260  Lithophragma affine Geo. B. Grant 1902-3-12 2471 Los Angeles Pasadena Comment
  UCSB2560  Lithophragma affine Youngberg, Florence 1937-04 Los Angeles near San Dimas Comment
  SBBG96971  Lithophragma maximum S. Boyd with T. Ross, L. Arnseth 1990-4-8 4318 Los Angeles near Malo Pt, second cyn S of Bryce Cyn Comment
  POM47663  Lithophragma tenellum F. W. Peirson 1921-6-16 4690 Los Angeles Summit of Mt. Waterman, San Gabriel Mountains 2317 Comment
  CAS-BOT-BC428418  Lithophragma tenellum F. W. Peirson 1921-6-16 2442 Los Angeles Trail north of Mt. Waterman, San Gabriel Mts. 1828 Comment
  RSA624549  Lobularia maritima L. C. Wheeler 1945-4-15 6010 Los Angeles Millard Canyon 411 Comment
  RSA682511  Loeflingia squarrosa Scott D. White, Michael Honer 2003-5-7 9195 Los Angeles Santa Clarita Area: South Fork Santa Clara River, from confluence with main fork upstream to bridge at Magic Mountain Parkway. 335 Comment
  RSA714801  Lolium perenne A. C. Sanders, Mark A. Elvin 2003-6-18 26940 Los Angeles Along crest road on crest of range from Salt Canyon, north of head of El Toro Canyon, Newhall Ranch. 854 Comment
  UCR214629  Lolium perenne subsp. multiflorum A. C. Sanders, Dan S. Cooper 2010-3-12 37367 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCD66670  Lolium temulentum L. Y. Leonard 1919-5-29 X 3026 Los Angeles San Fernando. Comment
  RSA682614  Lomatium dasycarpum Scott D. White, Michael Honer 2003-5-7 9224 Los Angeles Liebre Mountains: Tapia Canyon, about 2 air miles east of Interstate 5 junction at Old Ridge Route. 427 Comment
  SFV18437  Lomatium dasycarpum subsp. dasycarpum unknown 1971-5-5 Los Angeles San Gabriel Mountains Placerita Canyon Park. West section. Comment
  RSA711793  Lomatium mohavense LeRoy Gross 2005-5-3 2199 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  UCR167211  Lomatium mohavense S. J. Myers 2005-5-11 s.n. Los Angeles Western Mojave Desert, NE of Lancaster, SW of the intersection of Avenue H and 10th Street, 120 acre area near landing strip 720 Comment
  RSA589174  Lomatium mohavense subsp. mohavense T. S. Ross 1991-4-28 4783 Los Angeles Adobe Mountain: Southwesterly extension of the mountain. 926 Comment
  RSA597782  Lomatium vaginatum Steve Boyd, Lauren Raz 1997-3-14 9176 Los Angeles Liebre Mountains, lower southeastern flank of Bald Mountain, near head of Liebre Gulch, due west of Sandberg. 1213 Comment
  CAS-BOT-BC240488  Lonicera hispidula Carl B. Wolf 1932-5-10 3504 Los Angeles Santa Catalina Island. Avalon Canyon, above the last almond orchard 121 Comment
  RSA611536  Lonicera subspicata var. denudata L. C. Wheeler 1968-9-29 s.n. Los Angeles San Gabriel Mountains: Cattle Canyon, 1 mile E of mouth of Coldwater Canyon. 944 Comment
  SBBG69620  Lonicera subspicata var. denudata R. Hoffmann 1931-5-3 Los Angeles lower Bouquet Cyn Comment
  UCR84574  Lotus argophyllus subsp. ornithopus T. S. Ross 1992-4-14 6182 Los Angeles Channel Islands; San Clemente Island, Eastern escarpment just below the mouth of Nanny Canyon where it opens onto a sloping terrace and flows northward 87 Comment
  SEINET4035309  Lotus argophyllus var. argenteus M. B. Dunkle 1939-1 7252 Los Angeles China Point, Pyramid Cove, San Clemente Island. Comment
  RSA225670  Lotus argophyllus var. argophyllus R. F. Thorne 1971-5-22 39722 Los Angeles Fish Canyon. Comment
  RSA350756  Lotus argophyllus var. hancockii M. B. Dunkle 1939-4-4 7252 Los Angeles San Clemente Island: China Point, Pyramid Cove Comment
  UCR128001  Lotus corniculatus Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-13 2992 Los Angeles Santa Clarita Valley, S side of the Santa Clara River, c. 200 m upstream from the mouth of Potrero Creek 274 Comment
  RSA406921  Lotus dendroideus var. dendroideus M. B. Dunkle 1928-11-25 2035 Los Angeles Hamilton Cove, Santa Catalina Island. Comment
  UC618523  Lotus hamatus Alice M. Ottley 1920-5-3 587 Los Angeles side of Little Tujunga Wash Comment
  RSA406158  Lotus heermannii F. R. Fosberg 1930-7-7 S- 3140 Los Angeles Alamitos Bay 5 Comment
  RSA586283  Lotus humistratus Orlando Mistretta 1995-3-14 1536 Los Angeles Little Rock Creek Management Unit; Emma section of Little Rock Creek Management Unit. 1128 Comment
  RSA780100  Lotus microcarpus Pam De Vries 2011-4-20 7777 Los Angeles Western Transverse Range, SW portion of the Liebre Mountains; about 0.5 air miles NNE of the intersection of Copper Hill and San Francisquito Canyon Road 426 Comment
  RSA761707  Lotus purshianus R. G. Swinney 2008-10-10 9549 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  RSA0055762  Lotus scoparius R. G. Swinney 2010-4-1 12146 Los Angeles San Gabriel Mountains: Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Mac 399 Comment
  RSA1999  Lotus scoparius C. B. Wolf 1935-5-13 1995 Los Angeles Pacoima Wash, near bridge on road from Tujunga to San Fernando. 366 Comment
  RSA498849  Lotus scoparius Alton Clare 1929-3-28 s.n. Los Angeles Topanga Canyon. Comment
  RSA657200  Lotus scoparius Joseph M. Keefe 2001-1-19 30978 Los Angeles Big Tujunga Wash, 200 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles, 91040. 385 Comment
  SFV1858  Lotus scoparius M. L. Vincent 1962-7-5 265 Los Angeles Santa Monica Mountains Las Virgenes Road, 1 mile north of Hughes Research Laboratory. Comment
  RSA0080971  Lotus strigosus R. G. Swinney 2010-4-28 12409 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
  RSA656330  Lotus strigosus Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 680 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999. 579 Comment
  RSA674244  Lotus strigosus LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 696 Los Angeles South side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. 823 Comment
  UC1587650  Lotus strigosus Tim Ross 1991-3-9 4195 Los Angeles Whittier Hills (Puente Hills, pro parte) Whittier Hills (at head of un-named canyon draining ene) 304 Comment
  UCR11622  Lotus strigosus Harlan Lewis 1940-4-3 1270 Los Angeles Southern Coast, 10 mi. north of Malibu Beach Comment
  UCR263070  Lotus strigosus Mitch Provance 2008-4-14 10141 Los Angeles Western Transverse Range; Liebre Mountains, southeast of Quail Lake, 1.4 miles southeast of Hwy 138 on FSR N2/Ridge Route Road 1160 Comment
  UCR49804  Lotus strigosus R. Mattoni 1996-1 s.n. Los Angeles Southern coast, El Segundo Dunes, back edge of beach just west of Los Angeles International Airport. 6 Comment
  UCR159949  Lotus wrangelianus L. C. Wheeler 1968-4-13 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, ridge south of mouth of Big Dalton Canyon 495 Comment
  JEPS83251  Lupinus W. L. Jepson 1935-4-17 17063 Los Angeles Portal Ridge Comment
  CAS-BOT-BC201198  Lupinus Edith A. Purer 1935-5-11 6543 Los Angeles Malibou Road Comment
  RSA648009  Lupinus Diane Elliott 1985-5-17 43 Los Angeles Canyon, (.5)? miles S of intersection, Eastvale Rd. and Palos Verdes Drive North. Comment
  SBBG125448  Lupinus albicaulis A. Parikh, N. Gale 2010-6-17 3316 Los Angeles upper Big Tujunga Cyn, just N of St Hwy 2, 0.4 km E of intersection of St Hwy 2 and upper Big Tujunga Cyn Rd, San Gabriel Mtns 1415 Comment
  RSA0089258  Lupinus albifrons Bonnie C. Templeton 1938-5-21 s.n. Los Angeles Topanga canyon. Comment
  RSA0061162  Lupinus albifrons var. austromontanus Daisie Huang 2008-3-18 08031803 Los Angeles Along Gorman Post Road, near large Gorman billboard. 1119 Comment
  SEINET10484546  Lupinus albifrons var. eminens David B. Dunn 1957-4-2 Dunn s.n. Los Angeles Plants 3 year old. Grown in field planting at rancho santa ana botanical Garden. Pressed by howard brown. Hybridization by d.b.dunn. Rsa 6452 x 7325 Comment
  RSA600158  Lupinus bicolor subsp. marginatus Steve Boyd, Lauren Raz 1997-5-1 9652 A 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
  SEINET10484869  Lupinus bicolor subsp. marginatus David B. Dunn, Carl C. Epling 1946-4-19 Dunn 2139 Los Angeles In a grassy meadow on the e side of the hwy 138; 2.9 miles s of the junction of The old ridge route road 853 Comment
  SEINET10484892  Lupinus bicolor subsp. microphyllus David B. Dunn 1947-4-16 Dunn 2938 Los Angeles 1 1/2 miles w of palmdale; mojave desert. Comment
  RSA652735  Lupinus bicolor var. microphyllus Harold Lint, D. B. Dunn 1948-3-10 s.n. Los Angeles Bonita & Irwindale, Irwindale, Comment
  LA205008  Lupinus chamissonis Carl Epling; March 1925 6476 Los Angeles Clifton Comment
  RSA594538  Lupinus concinnus L. C. Wheeler 1967-5-9 9375 Los Angeles Aliso Canyon, east of Acton, ca. 1 mile downstream from Wagon Wheel Ranch. 1067 Comment
  RSA717223  Lupinus concinnus Scott D. White, Pam De Vries 2006-5-10 11443 Los Angeles SE Tehachapi Mtns: Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  RSA518015  Lupinus concinnus subsp. concinnus Steve D. Boyd, Orlando Mistretta 1986-3-31 1551 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  CAS-BOT-BC205143  Lupinus elatus Timothy S. Ross 1994-5-31 7980 Los Angeles San Gabriel Mountains. Pacifico Mountain: ca 340 m SSE of the 7124-foot summit 2084 Comment
  CLARK-A1703-1194  Lupinus excubitus Charles S. Papp 1964-4-23 436 Los Angeles Claremont Comment
  SBBG112164  Lupinus excubitus C. Bornstein, B. Collins 1997-4-14 Los Angeles Liebre Mtn Rd Comment
  SBBG69075  Lupinus excubitus R. Hoffmann 1931-4-28 Los Angeles Bouquet Cyn Comment
  UCSB6980  Lupinus excubitus McElwain, Isabelle 1953-3-22 Los Angeles Bank on west side of Zelzah; at junction of Zelzah Ave and Bull Canyon Rd.; Granata Hills Comment
  CAS-BOT-BC205401  Lupinus excubitus var. austromontanus Steve Boyd; Lauren Raz 1997-4-16 9523 Los Angeles Liebre Mountains Region: Northwest end of the range, Peace Valley due south of the junction of Interstate 5 and Highway 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service road 8N01 960 Comment
  RSA413568  Lupinus excubitus var. austromontanus Robert Gustafson 1978-5-2 893 Los Angeles Off dirt road leading into Hungry Valley, 4 mile from the junction with the 2 lane paved Peace Valley Road, west of Gorman. 1250 Comment
  RSA799976  Lupinus excubitus var. austromontanus Pam De Vries 2013-4-3 7832 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
  CAS-BOT-BC216534  Lupinus excubitus var. johnstonii Scott D. White 1998-6-29 6815 Los Angeles W of Mount Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4 mile closed section of Highway 39 from ca. 1.6 miles W of junction Crystal Lake access road to junction Highway 2. 2011 Comment
  POM2657  Lupinus formosus C. F. Baker 1909-5-1 5303 Los Angeles Claremont. Comment
  UCSB33677  Lupinus formosus Los Angeles Charleton Flats; San Gabriel Mtns. 1524 Comment
  RSA413732  Lupinus inyoensis Robert Kessler 1921-6-1 s.n. Los Angeles Mt. Markham. Comment
  UCR209539  Lupinus latifolius R. G. Swinney 2008-7-2 9123 Los Angeles San Gabriel Mtns., Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy 2000 Comment
  CAS-BOT-BC211696  Lupinus longifolius Theodore Payne 1948-5-15 12286 Los Angeles La Canada Comment
  CAS-BOT-BC211700  Lupinus longifolius Theodore Payne 1925-5-1 s.n. Los Angeles Sierra Madre Comment
  LA200473  Lupinus longifolius Carl Epling; L. Ellison 1929-4-27 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA0062868  Lupinus longifolius Daisie Huang 2008-4-6 08040601 Los Angeles Deer Creek Rd, right off of PCH. Malibu. 17 Comment
  RSA182325  Lupinus longifolius J. D. Olmsted 1962-4-30 3404 Los Angeles 1960 Johnston Peak fire, from west fork of San Dimas Creek to Wolfskill falls 457 Comment
  SBBG69056  Lupinus microcarpus var. densiflorus R. Hoffmann 1930-6-6 Los Angeles Piru Crk Comment
  UCR141299  Lupinus odoratus R. F. Thorne 1974-4-9 44709 Los Angeles San Gabriel Mtns./Mojave Desert, Bob's Gap in Holcomb Ridge 1220 Comment
  OBI48717  Lupinus sparsiflorus Joseph Andorfer Ewan April1933 10909 Los Angeles Higgins cyn, Santa Monica Mts 457 Comment
  SEINET10490974  Lupinus sparsiflorus subsp. sparsiflorus David B. Dunn Dunn s.n. Los Angeles Plants grown in greenhouse at umo from seeds from breitung 15113, 16 may 1953, Along glendora mts rd, san gabriel mts. Used in hybridizing studies of c. Dziekanowski. Comment
  RSA708555  Lupinus succulentus Valerie L. Soza, LeRoy Gross 2001-5-9 1197 Los Angeles Southern San Rafael Hills: South of mouth of Scholl Canyon, West end of Valle Vista fire road, ridgetop north of Hwy 134. 274 Comment
  SBBG67068  Lupinus succulentus M. LeClerc -Mar-1930 1233 Los Angeles near Castaic 457 Comment
  POM294750  Lupinus truncatus Lyman Benson 1945-4-13 11667 Los Angeles Little Dalton Canyon, Glendora. Drainage area Pacific slope 365 Comment
  RSA0110807  Lupinus truncatus Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14332 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi west of center of Sierra Madre Dam, 0.26 mi (64 degrees) NNW of the trailhead. 451 Comment
  RSA612071  Lupinus truncatus Valerie L. Soza 1998-4-26 82 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, SW of pHake Lake. At center of BFS. 411 Comment
  RSA675965  Lupinus truncatus LeRoy Gross 2003-3-9 812 Los Angeles Southwest side. A west-east trending ridge southwest of Flint Peak. Entered at west end, at Mount Carmel Drive, east of the (2) Glendale freeway, between Chevy Chase Drive (Sycamore Canyon) to the north, and Glenoak Blvd. (Scholl Canyon) to the south., Where the east-west trending ridge runs north and south for a short distance. 357 Comment
  UCD126597  Lycium andersonii R. Tofsrund 1949-4-25 s.n. Los Angeles near Palmdale. Comment
  LA51849  Lycium californicum W. O. Griesel; 1936-4-25 sn Los Angeles SANTA MONICA MOUNTAINS, Latigo Canyon Comment
  RSA428829  Lycium californicum F. H. Elmore 1939-2-18 397 Los Angeles San Clemente Island. Comment
  RSA249752  Lycium cooperi Robert F. Thorne 1973-5-11 43483 Los Angeles 1/4-1/2 mile N of Bob's Gap, N slope of Holcomb ridge, ca. 2.5 miles due S of Llano. 1159 Comment
  SBBG129220  Lyonothamnus floribundus W. L. Jepson 1908-7-13 3045 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC142280  Lyonothamnus floribundus subsp. floribundus Robert F. Thorne 1967-5-19 36882 Los Angeles Echo Lake Branch of upper Swain's Canyon - Santa Catalina Island 365 Comment
  RSA578199  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given 1994-8-1 8182 Los Angeles Santa Catalina Island. Vicinity of Twin Rocks, 260m S of 940-ft peak; midway, and on E side of easternmost blue-line drainage to Goat Harbor. 264 Comment
  RSA582448  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given, Gay, Fone 1994-8-3 8204 Los Angeles Santa Catalina Island. W end of the island, midway between Star Bay and Black Point. 280 Comment
  SD252372  Lyonothamnus floribundus subsp. floribundus Steven A. Junak 2000-5-19 Sca 1319 Los Angeles Santa Catalina Island: N-facing slope in canyon above Button Shell Beach. 228 Comment
  SBBG95709  Lyonothamnus floribundus var. floribundus M. B. Dunkle 1928-5-20 1962 Los Angeles head of Swain's (Swain) Cyn Comment
  PASA1881  Lythrum californicum Frank W. Peirson 1920-9-5 Los Angeles Eaton Canyon, San Gabriel Mts. 457 Comment
  RSA0011274  Lythrum hyssopifolia Robert Gustafson 1980-9-16 1912 Los Angeles Ballona Wetlands, Area 2. [See map on specimen for precise location.] Comment
  CAS-BOT-BC343705  Madia elegans Le Roy Abrams; E. A. McGregor 1908-6-20 378 Los Angeles Liebre Mountain 1463 Comment
  POM263557  Madia elegans subsp. elegans J. C. Roos 1937-7-18 401 Los Angeles Mirror Lake, San Antonio Canyon. Boundary between Los Angeles and San Antonio Canyon Comment
  POM257568  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
  POM362174  Madia gracilis L. C. Wheeler 1932-5-27 771 Los Angeles San Gabriel Mountains. 1/4 mi W. of Thompson Creek Dam. 518 Comment
  SD92014  Malacothamnus clementinus Reid Moran, R. M. Beauchamp and T. Oberbauer 1975-8-24 22697 Los Angeles San Clemente Island; on cliff, China Canyon. 130 Comment
  CAS-BOT-BC230898  Malacothamnus davidsonii Louis C. Wheeler 1933-8-5 2053 Los Angeles 2 mi. NW Roscoe, San Fernando Valley Comment
  CAS-BOT-BC230900  Malacothamnus davidsonii Dr. A. Davidson No date on label 1895 Los Angeles Near Los Angeles Comment
  RSA643395  Malacothamnus davidsonii Orlando Mistretta 1992-9-16 814 Los Angeles San Gabriel Mountains: Oak Springs Trail at south trail head. 579 Comment
  RSA306273  Malacothamnus fasciculatus Henry J. Ramsey, Mrs. Ramsey 1938-5-22 1406 Los Angeles North Craig Ave., Altadena. Comment
  RSA433293  Malacothamnus fasciculatus M. B. Dunkle 1928-5-12 1932 Los Angeles Empire Landing, Santa Catalina Island. Comment
  SBBG128423  Malacothamnus fasciculatus M. L. Hoefs 1995-5-23 2080 Los Angeles lower Middle Cyn, just below Eagles Nest Lodge 121 Comment
  SD253496  Malacothamnus fasciculatus R. G. Swinney 2010-5-7 12580 Los Angeles San Gabriel Mountains: Lake View Terrace, ridge to the immediate west of Oliver Canyon, 0.8 air mile N of I-210 Fwy (Sunland 7.5'Q) 494 Comment
  UC450786  Malacothamnus fasciculatus Fay A. MacFadden 1931-5-28 78 E Los Angeles Tuna Canyon, Verdugo Hills Comment
  UCR116937  Malacothamnus fasciculatus A. C. Sanders, D. Malueg 2001-5-17 24354 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 11 acre gas company property at SW corner of Jefferson Blvd. and Montebello Blvd., being decommissioned 122 Comment
  CAS-BOT-BC206372  Malacothamnus fremontii Timothy S. Ross; Steve Boyd 1990-6-18 3498 Los Angeles 1500 m due N of Jackson Lake, betwen the Boulder Canyon and Mescal Creek drainages, Ball Flat - San Gabriel Mountains 1767 Comment
  POM9683  Malacothamnus fremontii F. W. Peirson 1918-6-15 2672 Los Angeles Upper Mint Canon. [canyon] Comment
  RSA757954  Malacothrix californica Michael Honer, Crissy Slaughter, Julie Love 2009-4-29 3286 Los Angeles Antelope Valley: 0.75 mi. N of Highway 138, 1.2 mi. E of 170th Street. 793 Comment
  UC831131  Malacothrix coulteri C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-5-13 4626 Los Angeles Bouquet Canyon 1000 Comment
  UCR68946  Malacothrix foliosa subsp. foliosa Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4238 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  RSA710540  Malacothrix glabrata LeRoy Gross 2005-5-3 2186 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  SEINET3200276  Malacothrix saxatilis G. Rink 2011-6-2 10585 Los Angeles Chino Hills, northeast of La Brea, weedy place. 290 Comment
  UCR205707  Malacothrix saxatilis A. C. Sanders, T. B. Salvato 2009-5-18 36804 Los Angeles San Gabriel Valley, Montebello Hills, north side of the Pomona (60) Freeway, SW of Greenwood Ave., south of Potrero Grande Dr., under SCE powerlines near substation 116 Comment
  POM362372  Malacothrix saxatilis var. tenuifolia B. C. Templeton 1939-6-23 s.n. Los Angeles Huntington Palisades, Santa Monica Mountains. Comment
  SD187358  Malacothrix saxatilis var. tenuifolia Valerie Soza, Leland Lubinsky 2001-5-16 1229 Los Angeles Verdugo Mountains region: Northern San Rafael Hills: Owl Trail along ridgetop to Cerro Negro from Liz's Loop to Cherry Canyon Fire Road. 487 Comment
  UC1584735  Malacothrix saxatilis var. tenuifolia Tim Ross and Annette Ross 1991-6-3 5516 Los Angeles Elephant Hill: West Pomona. 268 Comment
  OBI34052  Malosma laurina Mark Schneider 1973-6-1 s.n. Los Angeles Seven Hills Ranch, Tujunga. San Bernardino Mountains. 549 Comment
  RSA774839  Malosma laurina R. G. Swinney 2009-6-12 11151 Los Angeles El Encanto Azusa River Wilderness Park 296 Comment
  UCSB8653  Malosma laurina McElwain, Isabelle 1953-5-4 Los Angeles 18000 Bull Canyon Rd., Granada Hills 457 Comment
  RSA639564  Malva parviflora Louis C. Wheeler 1967-5-18 9650 Los Angeles San Gabriel Mountains: Placerita Canyon, vicinity of Oak of the Golden Dream. 479 Comment
  UCR92668  Malva pseudolavatera Scott D. White 1996-3-18 3835 Los Angeles Marina del Rey area, Ballona Creek, floodplain and adjacent N-facing slope, west of Lincoln Blvd. and south of Jefferson Blvd. 30 Comment
  RSA77179  Malvella leprosa F. W. Peirson 1951-8-18 2301 Los Angeles east of Long Beach Comment
  RSA599483  Marah fabacea Steve Boyd, Lauren Raz 1997-3-26 9347 Los Angeles Liebre Mountains region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 976 Comment
  UCR191290  Marah horrida T. B. Salvato 2008-4-22 3305 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
  RSA440961  Marah macrocarpa M. B. Dunkle 1932-1-24 2863 Los Angeles Descanso Canyon, Santa Catalina Island. Comment
  RSA668163  Marah macrocarpa Don Jillson 1961-3-29 s.n. Los Angeles Scholl Canyon. Comment
  RSA764300  Marah macrocarpa Doris Bowers 1957-3-10 793 Los Angeles Rocky Point, LaVerne. 335 Comment
  UCR127366  Marah macrocarpa Mark A. Elvin 2003-4-9 2470 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, canyon north of SR 126 from 'Grapevine Mesa 335 Comment
  RSA652421  Marah macrocarpa R. McCormick 1963-3-30 s.n. Los Angeles Topanga Canyon. Comment
  RSA562341  Marah macrocarpa var. macrocarpa D. Charlton 1989-4-30 3021 Los Angeles Kentucky Sprngs, Sierra Highway-Angeles Crest Hwy, approximately 1 mile north of the northern boundary of the Angeles National Forest 1036 Comment
  UCR165240  Marrubium vulgare A. C. Sanders, Helen Kennedy 2005-4-13 29482 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyons 457 Comment
  RSA651644  Marrubium vulgare C. J. Humphrey, Herbert Humphrey 1936-6-5 299 Los Angeles Along banks of stream in Mts. 90 miles north of Los Angeles. On Hgw 99. 610 Comment
  RSA765462  Marrubium vulgare Doris Bowers 1957-5-2 813 Los Angeles LaVerne 305 Comment
  SD113049  Matricaria discoidea Darley F. Howe 1915-4-1 59 Los Angeles Claremont Comment
  RSA595158  Matricaria matricarioides Steve Boyd 1996-4-25 8703 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 915 Comment
  UCD134452  Matricaria occidentalis Ernest C. Twisselmann 1964-5-7 9389 Los Angeles Avenue A, south of Rogers Lake, Edwards Air Force Base. 614 Comment
  UCR41725  Matthiola incana G. R. Ballmer, G. F. Pratt 1986-3-25 s.n. Los Angeles Southern Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 Comment
  CAS-BOT-BC422758  Meconella denticulata Brandegee 1889-5-1 s.n. Los Angeles Pasadena 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
  SD232690  Medicago lupulina Scott D. White 4052 Los Angeles Claremont: Geneva Ave: N of San Jose, S of Arrow Hwy; W of Indian Hill, E of Towne. USGS Ontario quad. 323 Comment
  SFV7299  Medicago lupulina T. Gordon 1975-2-21 797 Los Angeles San Fernando Valley Los Angeles, Northridge. Northwest corner of Rayen St. and Rathburn Ave. 250 Comment
  SBBG133373  Medicago polymorpha J. Lambert, S. McDonough 2005-4-6 Bot 53 -05 Los Angeles Swat 2 near roadside 16 Comment
  CDA4223  Medicago polymorpha L. C. Wheeler 1967-5-18 9648 Los Angeles San Gabriel Mountains, vicinity of Oak of the Golden Dream. Comment
  RSA592298  Medicago polymorpha L. C. Wheeler 1967-5-13 9547 Los Angeles San Gabriel Mountains. San Gabriel Canyon, Ward's Grove. 262 Comment
  SD144458  Medicago polymorpha B. Pitzer 1996-4-27 2721 Los Angeles City of Signal Hill, Reservoir Park, on Wardlow Rd between Orange St & Walnut St, E of Long Beach Blvd Comment
  POM348052  Medicago polymorpha var. brevispina C. B. Liter, J. A. Powell 1928-4-5 s.n. Los Angeles Catalina Island. Banning Canyon. Comment
  CATA738  Melica imperfecta Mark L. Hoefs 1991-5-22 1263 Los Angeles Santa Catalina Island: Upper Cherry Valley 143 Comment
  CLARK-A1528-4728  Melica imperfecta John C. Roos 1937-4-21 Los Angeles Claremont Comment
  IRVC26214  Melica imperfecta A. C. Sanders 2003-5-1 26246 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
  UCR131780  Melica imperfecta Jeremiah George 2001-5-30 s.n. Los Angeles South Coastal Plains Region, Palos Verdes Peninsula, Rancho Palos Verdes, mouth of Agua Amarga Canyon 15 Comment
  LA12147  Melica imperfecta O. A. Plunkett; 1925-11-28 sn Los Angeles Comment
  RSA332614  Melica stricta Wayne E. Sawyer 1981-6-11 20 Los Angeles Angeles National Forest: Hwy 2 between Dawson Saddle and junction of Ca Hwy 39, 1.6 miles from Dawson Saddle. 2317 Comment
  UCR223358  Melica stricta R. G. Swinney 2009-5-20 10829 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  RSA659824  Melilotus albus Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-4 119 Los Angeles San Clemente Island. Comment
  POM348189  Melilotus indicus Franklin W. Klepinger 1938-4-23 s.n. Los Angeles Malibu Lake region. Comment
  LA200495  Melilotus indicus Norman A. Cole; May 1964 323 b Los Angeles 518 Comment
  RSA720250  Melinis repens LeRoy Gross 2007-4-27 2662 Los Angeles Southwest side of the range: East branch of Jeffries Canyon. Access was intersection of Hollywood Way and Edmore Place. City of Sun Valley. 299 Comment
  RSA639842  Mentha Sandy Leatherman, Brian Daniels 1998-10-27 53 Los Angeles Liebre Mountains: Bouquet Canyon, adjacent to Bouquet Canyon Road, south of Vasquez Canyon Road and north Esguerra Road. 488 Comment
  RSA481995  Mentha X piperita Richard Noyes 1988-9-18 746 Los Angeles San Antonio Canyon. Rocky wash behind San Antonio Dam. 701 Comment
  RSA594467  Mentha villosa Steve Boyd, Lauren Raz 1996-9-24 8941 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 915 Comment
  RSA167101  Mentzelia affinis W. G. Webb 1935-4-19 s.n. Los Angeles Tejon Ranchos, near Lebec Comment
  RSA584868  Mentzelia congesta Tim S. Ross, Steve D. Boyd 1990-6-4 2801 Los Angeles San Gabriel Mountains: East-West ridge ca. 1400 m N of Mt Gleason: ridge separating the headwaters of Arrastre Canyon from upper west tributaries of Gleason Canyon. 1549 Comment
  SBBG49253  Mentzelia congesta Leota Davidson 1965-5-9 115 Los Angeles few mi along side of rd E of Littlerock Comment
  UCR277019  Mentzelia laevicaulis R. G. Swinney 2010-9-30 13911 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
  LA82381  Mentzelia micrantha O. H. Kappler; 1943-5-30 477 Los Angeles Santa Monica Mountains, Trancas Canyon, at mouth of canyon Comment
  SBBG20533  Mentzelia micrantha E. R. Blakley 1963-12-7 6373 Los Angeles 200 yds SE of new air strip 60 Comment
  POM96822  Mentzelia micrantha F. M. Reed 1926-6-12 5240 Los Angeles Talus slope near La Canada. Comment
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Dec 7 2014
  SBBG129046  Mentzelia veatchiana A. C. Sanders 2014-4-12 41010 Los Angeles NW of Pinon Hills, 233rd St E, 0.2 km S of Hwy 138 1095 Comment
  CATA1153  Mesembryanthemum crystallinum Mark L. Hoefs 1995-5-30 2144 Los Angeles Santa Catalina Island: Ben Weston Beach 4 Comment
  CAS-BOT-BC435243  Mesembryanthemum crystallinum L. R. Abrams; I. L. Wiggins 1931-7-3 307 Los Angeles Channel Islands. Santa Barbara Island Comment
  RSA402612  Mesembryanthemum crystallinum F. R. Fosberg 1930-6-30 S- 3051 Los Angeles Del Rey 2 Comment
  SEINET8728880 Image available Mesembryanthemum nodiflorum F. R. Fosberg 1931-1 S 4732 Los Angeles Upper Sonoran Zone. Nest, Middle Ranch Canyon Santa Catalina Island. 100 Comment
  RSA188034  Microseris douglasii subsp. platycarpha R. F. Thorne 1966-4-29 36302 Los Angeles Catalina Island. Along Airport Road before turn-off to Middle Ranch Canyon. 457 Comment
  POM11907  Microseris heterocarpa P. A. Munz 1922-5-15 5599 Los Angeles San Dimas, Puddingstone Canyon. Comment
  POM211196  Microseris heterocarpa L. C. Wheeler 1934-5-1 2578 Los Angeles La Verne 305 Comment
  RSA592218  Microseris lindleyi L. C. Wheeler 1967-5-12 9468 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1066 Comment
  RSA592817  Microseris lindleyi Steve Boyd 1996-4-25 8669 Los Angeles Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain., From gate at old inholding boundary near spring area along Forest Service Road 7N22 down to beginning of extensive wetland south of the old dry pastures 915 Comment
  POM246541  Microseris lindleyi F. R. Fosberg 1931-4-4 4491 Los Angeles Cherry Canyon, Santa Catalina Island. 60 Comment
  RSA587158  Microseris lindleyi Orlando Mistretta 1995-4-28 1652 -H Los Angeles Kitter Canyon; Slopes W of main canyon 1280 Comment
  POM8952  Mimulus aurantiacus P. A. Munz 1920-2-24 3243 Los Angeles 3 miles north of Claremont at base of foothills 427 Comment
  RSA339631  Mimulus aurantiacus Robert F. Thorne, M. Z. Thorne 1980-3-23 54009 Los Angeles Johnson's Pasture, above Claremont. 610 Comment
  RSA0120157  Mimulus aurantiacus var. pubescens R. G. Swinney 2014-5-27 16674 Los Angeles San Gabriel Mountains; Glendora, ridge between east and north forks of Hook Cyn., c. 400 m. south of Glendora Ridge Mtwy. on s.-facing slope at 15-40 % grade., C. 200 m. due n. of Church of the Open Door and n. and e. of Hook Cyn. debris basin. 445 Comment
  RSA82096  Mimulus aurantiacus var. pubescens F. W. Peirson 1903-2-21 358 Los Angeles Coldwater Canyon, Santa Monica Range. Comment
  UCR190809  Mimulus brevipes R. G. Swinney 1998-8-6 6695 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, at cliff seep c. 100 m below Falls Gulch 1000 Comment
  RSA60294  Mimulus brevipes G. R. Campbell 1948-5-13 593 Los Angeles Little Dalton Campground, San Gabriel Mountains. Comment
  UCSB11686  Mimulus brevipes Bushnell, Bill 1962-5-4 Los Angeles in Mint Canyon; 7.7 miles northeast of the junction of California Highway 6 and the Saugus cutoff; on California Highway 6 609 Comment
  RSA420669  Mimulus cardinalis Wm. Martin 1971-7-26 s.n. Los Angeles Big Tujunga wash, north and east of Sunland. Comment
  RSA588860  Mimulus cardinalis Orlando Mistretta 1994-9-21 1496 Los Angeles San Gabriel Mtns., Santiago Canyon, At jct. of Forest Rd. 4N20 with Santiago Creek. 1280 Comment
  RSA6007  Mimulus cardinalis Carl B. Wolf 1932-10-5 4234 Los Angeles Santa Catalina Island. 1 1/4 mi. from Black Jack Mine on road to Middle Ranch. 274 Comment
  RSA0051689  Mimulus cardinalis Lee Haines 1935-7-12 s.n. Los Angeles San Gabriel Canyon. Comment
  RSA0057894  Mimulus floribundus Richard G. Swinney 2010-9-7 13689 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  UCR102371  Mimulus floribundus L. C. Wheeler 1967-6-26 9870 Los Angeles San Gabriel Mtns, Elsmere Canyon 466 Comment
  UCR276972  Mimulus floribundus R. G. Swinney 2010-6-1 13136 Los Angeles San Gabriel Mountains, Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  RSA660263  Mimulus floribundus Orlando Mistretta, Peter L. Morrell 1992-6-4 492 Los Angeles Traverse Ranges: San Gabriel Mnts region: Short Cut Canyon, OVH area. Arroyo District, paralleling Big Tujunga. Comment
  LA35214  Mimulus guttatus Mary V. Hood; 1944-3-25 44- 5 -k* Los Angeles San Gabriel River Bird Sanctuary [Whittier Narrows Nature Center] 91 Comment
  RSA442755  Mimulus guttatus L. E. Hoffman 1932-8-10 s.n. Los Angeles Verdugo Woodlands, Glendale Comment
  RSA442764  Mimulus guttatus Thekla Mohr 1915-1 3448 Los Angeles North Fork, San Gabriel River. Comment
  RSA724663  Mimulus guttatus K. Dobry 1991-5-13 510 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  RSA729593  Mimulus guttatus R. G. Swinney 1998-9-7 6935 Los Angeles San Gabriel Mtns.: Dawson Peak Ridge Trail at far NE tributary of upper Fish Fork San Gabriel River, 1.3 mi. west of Dawson Peak 2524 Comment
  UCR177253  Mimulus guttatus LeRoy Gross, Michael Denslow, B. Hogshead, Sarah Swartzentruber 2003-6-17 1038 Los Angeles Transverse Ranges; Verdugo Mountains region, South side of mountains, Brand Canyon, at check dam ( man-made waterfall), where the canyon forks 393 Comment
  RSA251414  Mimulus guttatus Robert F. Thorne 1966-4-17 36125 Los Angeles San Clemente Island, upper reaches of Box Canyon, NW of Horse Canyon, SW of Thirst. 244 Comment
  RSA660411  Mimulus guttatus Orlando Mistretta 1992-5-21 376 Los Angeles Right Star Mine, S of Acton. Comment
  UCR238630  Mimulus johnstonii Anuja Parikh, Nathan Gale 2010-6-18 3342 Los Angeles Transverse Range; San Gabriel Mountains, upper Big Tujunga Canyon, 0.9 km north of State Hwy 2 (Angeles Crest Hwy) 0.3 km west of Upper Big Tujunga Canyon Road 1240 Comment
  RSA764935  Mimulus longiflorus Doris Bowers 1957-5-2 652 Los Angeles Road to Puddingstone, LaVerne 320 Comment
  RSA80486  Mimulus palmeri F. W. Peirson 1907-7-9 1124 Los Angeles Pine Flats Comment
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Dec 10 2014
  UCR189975  Mimulus pilosus R. G. Swinney 1998-8-31 6874 Los Angeles San Gabriel Mtns., San Antonio Ridge, saddle 1.2 mi. west of West Mt. Baldy 2378 Comment
  POM67063  Minuartia douglasii Marcus E. Jones 1924-5-16 s.n. Los Angeles Stoddard Canyon Comment
  SBBG125837  Minuartia douglasii A. Parikh, N. Gale 2010-5-25 3222 Los Angeles Sierra Pelona, 4.8 km W of State Hwy 14, 1.9 km SW of California Aqueduct 1025 Comment
  UC1532964  Minuartia nuttallii subsp. gracilis Robert F. Thorne, C. W. Tilforth and John Dourley 1971-7-27 41068 Los Angeles on ridge running e toward Old Baldy (Mt. San Antonio); San Gabriel Mts., Angeles National Forest, West Baldy Peak 3017 Comment
  CAS-BOT-BC384002  Mirabilis jalapa Geo. B. Grant 1904-10-1 6430 Los Angeles Pasadena Comment
  CATA574  Mirabilis laevis var. crassifolia Mark L. Hoefs 1991-4-16 1009 Los Angeles Santa Catalina Island: Hillside wouth-west of Little Harbor 9 Comment
  RSA464640  Mirabilis laevis var. crassifolia M. B. Dunkle 1932-2-27 2872 Los Angeles Silver Canyon trail, Santa Catalina Island. Comment
  SBBG69796  Mirabilis laevis var. crassifolia R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk Comment
  UCR217706  Mollugo verticillata A. C. Sanders, Dan S. Cooper 2010-8-5 38534 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  POM4070  Monardella breweri subsp. breweri W. R. Dudley, F. H. Lamb 1896-6-8 4341 Los Angeles At Spragues, Liebre Mts. [an annotation note by Carl Epling reads: Same collection number (Stanford Univ. Herb. 13765) was collected at Edge of Antelope Valley near Neenach, June 6, 1896. ] Comment
  UC213275  Monardella breweri subsp. lanceolata I. M. Johnston 1918-9-1 2139 Los Angeles Brown's Flats San Antonio Mountains 1310 Comment
  OBI81424  Monardella hypoleuca subsp. hypoleuca Mark A. Elvin, Adam Clause 2008-5-30 5972 Los Angeles Transverse Range; Santa Monica Mtns.; Santa Ynez Canyon, c. 300 m north of Ver de La Montura Rd. Comment
  RSA293435  Monardella linoides subsp. erecta R. C. Bacigalupi 1958-7-21 2210 Los Angeles North face of Kratka Ridge (Upper slopes of Little Rock Creek Canyon) about 1 mile west of Cedar Springs. Angeles National Forest. 2073 Comment
  SD90540  Monardella linoides subsp. erecta Robert F. Thorne, J. Dourley 1967-10-3 37269 Los Angeles Mt. Baden-Powell: N sope at Vincent Gap 2133 Comment
  RSA252940  Monoptilon bellidiforme R. F. Thorne, Gary D. Wallace 1973-4-24 43433 Los Angeles Ft. Tejon Road near junction with Longview Road, c. 3 mi S of Pearblossom Road 1067 Comment
  LA9629  Muhlenbergia californica Victor Duran; 1933-8-11 3546 Los Angeles San Gabriel Mountains, South Fork Big Rock Creek 1600 Comment
  CAS-BOT-BC275280  Muhlenbergia microsperma E. R. Blakley 1963-12-7 6327 Los Angeles California Channel Islands. San Clemente Island. W of Pyramid Head, S of Lighthouse 38 Comment
  CAS-BOT-BC274973  Muhlenbergia rigens Le Roy Abrams 1901-7-1 1867 Los Angeles W Fork of San Gabriel River Comment
  JEPS62059  Muilla maritima Frank W. Peirson 1918-5-21 5 Los Angeles Arroyo Seco San Gabriel Mts. 457 Comment
  UC905454  Muilla maritima I. W. Clokey and E. G. Anderson 1935-5-9 5855 Los Angeles San Dimas Canyon Comment
  UCR172736  Myoporum laetum Sandra Murcia, Gregg Miller 2006-3-10 s.n. 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 366 Comment
  UC119274  Myrica californica unknown 1891-5 Los Angeles Rustic Canyon Santa Monica Range, Rustic Canyon Comment
  LA210908  Najas guadalupensis Arthur C. Gibson; 2008-9-7 5390 Los Angeles SANTA MONICA MOUNTAINS, SMMNRA Rocky Oaks. Comment
  SEINET7040201  Nama demissa A. G. Vestal 1962-3-30 s.n. Los Angeles Yacca stand, Antelope Valley, south of Willow Springs. Little Buttes Quadrangle UTM Zone 11, 377584mE, 3848202mN. Comment
  UCD87425  Nassella cernua Agnes Chase 1910-4-12 812 Los Angeles Playa del Rey. Comment
  LA9420  Nassella lepida A. M. Johnson; 1932-4-4 3924 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). Comment
  RSA279058  Nassella lepida R. F. Thorne 1971-4-23 41486 Los Angeles Angeles National Forest; NE of Chantry Flats along Santa Anita Creek. 549 Comment
  UC821969  Nassella lepida F. R. Fosberg 1931-3-19 S 4304 Los Angeles se slope near Avalon; Santa Catalina Island, Hamilton Canyon 10 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
  UC199554  Nassella pulchra A. Davidson, M. D. 3222 Los Angeles 6 and Coronado St. Los Angeles Comment
  CAS-BOT-BC60411  Nasturtium officinale Carl B. Wolf 1932-5-12 3606 Los Angeles Santa Catalina Island. Middle Ranch Canyon near bridge on lower road to Isthmus. 30 Comment
  RSA747054  Nasturtium officinale R. G. Swinney 2008-5-30 8884 Los Angeles San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  RSA602673  Navarretia atractyloides L. C. Wheeler 1936-6-8 4131 Los Angeles Bell-W Fork San Dimas Canyon divide, San Gabriel Mountains. 884 Comment
  SEINET14050530  Navarretia atractyloides L. C. Wheeler 1932-5-27 774 Los Angeles 2 miles N of Claremont 411 Comment
  SD69497  Navarretia hamata Robert F. Thorne 1966-4-7 35939 Los Angeles Santa Catalina Island; SSE-facing slope at Cherry Valley 60 Comment
  RSA469875  Navarretia intertexta M. Bisbee 1917-5-8 s.n. Los Angeles Dry hills, Eagle Rock Comment
  RSA0106731  Nemacladus longiflorus var. breviflorus R. G. Swinney 2011-5-19 14791 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), near entrance gate to camp, 0.54 miles at 84 deg SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Colby Cyn. 1018 Comment
  SEINET10461064  Nemacladus ramosissimus Frank W. Peirson 1918-6-4 Peirson 220 Los Angeles Foothills east of Rubio Canyon, San Gabriel Mountains 610 Comment
  UC24222  Nemophila menziesii Harley P. Chandler 1897-2-10 Los Angeles Claremont 365 Comment
  UCR95303  Nemophila menziesii L. C. Wheeler 1967-5-2 9258 Los Angeles San Gabriel Mtns, Liebre Mtns, north side of northwesternmost end of foothills (of San Gabriel Mtns) between Bouquet Junction and Bonelli Ranch 427 Comment
  CAS-BOT-BC506644  Nephrolepis cordifolia R. E. Riefner, Jr. 2015-8-15 15 -227 Los Angeles City of Los Angeles, Pacific Palisades, vicinity of Arno Way and Pintoresca St. at Bay Club Drive 45 Comment
  OBI20486  Nerium oleander Ron Pecoff 1961-5-28 s.n. Los Angeles Pecoff nursery, Playa Del Rey 26 Comment
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Jul 10 2014
  RSA547422  Nerium oleander T. S. Ross 1992-5-17 6347 Los Angeles San Gabriel Mountains: E Fork of the San Gabriel River, just NE of Heaton Flat; 25 degrees NNE, 885m distant from East Fork Station 695 Comment
  SEINET10818889  Nicotiana Mary Merello, Heidi H. Schmidt 1999-12-7 Merello 2659 Los Angeles City of Glendale. Arko International Foods, 1428 E. Colorado Blvd. Comment
  RSA0083314  Nicotiana glauca R. G. Swinney 2010-3-22 12025 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  UCR125916  Nicotiana glauca A. C. Sanders, Mark Elvin 2002-6-19 25201 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 366 Comment
  CAS-BOT-BC167061  Oenothera californica Peter H. Raven 1959-3-31 13905 Los Angeles 2.5 miles west of [Littlerock] Little Rock Comment
  CHSC22128  Oenothera deltoides Robert A. Schlising 1972-6-1 3042 Los Angeles 1.0 mi SW of jct hwy N2 and Spunkey Canyon Road, along latter. Comment
  HSC101601  Oncosiphon piluliferum Steve Boyd 2006-5-11 11659 Los Angeles Transverse Ranges; San Gabriel 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 west-bound 210 Freeway at Monte Vista/Baseline Ave off-ramp 488 Comment
  POM313405A  Opuntia X occidentalis Lyman Benson 1963-3-22 16243 Los Angeles San Gabriel Mountains. Eucalyptus grove above (north of) Cucamonga. 396 Comment
  SBBG124184  Opuntia basilaris var. basilaris R. Burgess, D. Magney, P. Munro 1994-7-9 1396 A Los Angeles Hungry Valley, along Hungry Valley Rd, Hungry Valley State Vehicle Recreation Area 1280 Comment
  RSA605910  Opuntia basilaris var. brachyclada L. C. Wheeler 1968-5-12 s.n. Los Angeles Spring 2/3 mile E of Juniper Bowl; Juniper Hills. 1158 Comment
  POM317746  Opuntia ficus-indica David Walkington 1963-6-20 182 Los Angeles Southwest of Walnut Ave., 0.2 mi N of Puddingstone Rd., San Dimas. 305 Comment
  RSA572096  Opuntia littoralis F. H. Elmore 1939-11-23 382 Los Angeles Northwest harbor of San Clemente Island Comment
  RSA0116851  Opuntia phaeacantha R. G. Swinney 2010-6-1 13087 C 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
  UC1922188  Oreonana vestita Naomi Fraga, LeRoy Gross 2006-5-9 1666 Los Angeles Transverse Ranges; San Gabriel Mountains region; Mount Baldy Ski Area. Comment
  UCR141044  Oreonana vestita June Latting 1977-10-16 s.n. Los Angeles San Gabriel Mountains, Throop Peak Trail 2774 Comment
  UCR205251  Orobanche R. G. Swinney 2005-8-17 8492 Los Angeles San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Holcomb Canyon south of South Fork Trail 1524 Comment
  RSA0059188  Orobanche bulbosa Robert Gustafson 1983-7-18 2778 Los Angeles San Gabriel Mts., Angeles Crest Hwy., about 3 miles past the Mt. Wilson turnoff. 1524 Comment
  RSA646961  Orobanche californica subsp. feudgei Orlando Mistretta 1992-9-9 801 Los Angeles San Gabriel Mountains: North side of Mt. Gleason Road. Little Gleason Management Unit; Tujunga Ranger District. Comment
  JEPS19480  Orobanche cooperi Herbert L. Mason 1926-4-26 3021 Los Angeles Mohave Desert, Little Rock Creek Little Rock Creek; Mohave Desert, Little Rock Creek Comment
  RSA0080434  Orobanche fasciculata R. G. Swinney 2011-7-21 15541 Los Angeles Strawberry Peak summit. 1860 Comment
  RSA0076150  Orobanche fasciculata Ivan M. Johnston 1917-6-15 1758 Los Angeles San Antonio Canon. 1371 Comment
  RSA655739  Orobanche fasciculata James Henrickson 2000-4-15 20697 Los Angeles Ca. 2 mi SE of Newhall in upper Whitney Canyon SE of junction of San Fernando Road and State Highway 14; in upper Angeles National Forest along Whitney Canyon Road S of Whitney Canyon, about 1/4 mile into National Forest. 640 Comment
  RSA402078  Orthocarpus purpurascens M. B. Dunkle 1932-6-2 2166 Los Angeles Santa Catalina Island. White's landing Comment
  POM9415  Orthocarpus purpurascens Philip A. Munz, R. D. Harwood 1920-5-15 3943 Los Angeles Sepulveda Canyon. 244 Comment
  SEINET12270215  Orthocarpus purpurascens A. R. Hinde 1884-1 s.n. Los Angeles Anaheim Comment
  UC1375269  Osmorhiza berteroi Robert F. Thorne 1971-8-25 41257 Los Angeles Lilly Spring San Gabriel Mts., Angeles National Forest, Mt. Hawkins (nw slope of mt.) Comment
  UC1619330  Osmorhiza brachypoda Timothy S. Ross 1992-5-24 6422 Los Angeles Browns Gulch (draining to San Gabriel Canyon at the base of San Gabriel Dam San Gabriel Mountains 501 Comment
  RSA188257  Oxalis corniculata Robert F. Thorne 1966-4-30 36331 Los Angeles Santa Catalina Island: Gravel bed along walk, Avalon 6 Comment
  RSA511006  Oxytheca parishii var. parishii Robert F. Thorne 1968-9-24 41404 Los Angeles San Gabriel Mountains - Angeles National Forest: Roadside of Angeles Crest Highway near Cortelou Spring Comment
  CAS-BOT-BC413305  Oxytheca perfoliata Mrs. H. C. Cantelow 1935-3-22 695 Los Angeles Mojave Desert. bet. Del Sur and Palmdale Comment
  JEPS57997  Oxytheca trilobata Frank W. Peirson 1921-6-14 1783 Los Angeles Tujunga Canyon San Gabriel Mountains 1280 Comment
  SBBG127064  Packera breweri A. Parikh, N. Gale 2011-6-13 3457 Los Angeles N of Aliso Cyn, 0.1 km E of Angeles Forest Hwy, 1.2 km N of Aliso Cyn Rd; San Gabriel Mtns 1212 Comment
  RSA94681  Packera ionophylla F. W. Peirson 1924-5-27 4641 Los Angeles north slope of Strawberry Peak, San Bernardino Mts. 1524 Comment
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Dec 19 2011
  RSA0091108  Paeonia californica R. G. Swinney 2011-3-22 14186 Los Angeles mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 509 Comment
  SDSU627  Paeonia californica A. H. Gallup 1949-3-25 351 Los Angeles On Mills avenue northeast of Claremont 381 Comment
  UCD102587  Paeonia californica John Ingrum 1997-2-25 006 Los Angeles Santa Monica Mountains, Mulholland Hwy. and Santa Maria Rd. Comment
  RSA717858  Papaver californicum R. G. Swinney 1997-5-13 5516 Los Angeles Water Canyon, a tributary from the north of San Gabriel River Canyon, north of Morris Dam. 402 Comment
  POM367108  Parapholis incurva Gary D. Wallace 1979-5-15 1842 Los Angeles LA Arboretum; growing on the greenhouse in a crack, north of headhouse Comment
  CAS-BOT-BC413408  Parietaria hespera var. hespera Le Roy Abrams 1901-4-5 1349 Los Angeles San Fernando Mts., Chatsworth Park 457 Comment
  UCD111492  Parietaria hespera var. hespera Daryl Koutnik 1978-7-21 s.n. Los Angeles Corner of Enfield Avenue, S of Victory Boulevard in the San Fernando Valley. 182 Comment
  SEINET6731103  Parietaria obtusa E. Braunton 1902-5-25 345 Los Angeles Redondo Comment
  SBBG31200  Paspalum dilatatum R. F. Thorne 1966-6-1 36486 Los Angeles N of Avalon (razed St. Catherine's Hotel) 4 Comment
  JEPS68175  Pectocarya anisocarpa W. L. Jepson 1939-4-21 19236 Los Angeles near Yucca Grove; west Mojave Desert, Neenach School, Antelope Valley 914 Comment
  RSA725100  Pectocarya anisocarpa Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -118 Los Angeles N side of the San Gabriel Mountains. Right at the North End of Bob's Gap. 1433 Comment
  RSA534065  Pectocarya linearis subsp. ferocula Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5253 Los Angeles San Clemente Island. Westerly fork of Near-Death Canyon, draining to Mosquito Cove(drainage beginning 800 ft. N of Rest 1336 marker; 1800 ft SE of Malo Knoll (1396 ). Upper portion of drainage. 386 Comment
  RSA709537  Pectocarya setosa A. C. Sanders 2003-4-29 26166 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 396 Comment
  RSA128261  Pedicularis densiflora H. J. Thompson 1959-3-31 1010 Los Angeles 0.7 mi from Triunfo Canyon, 2 mi. west of Cornell, Lobo Canyon. 244 Comment
  CAS-BOT-BC67721  Pellaea andromedifolia E. R. Blakley 1962-6-10 5218 Los Angeles San Clemente Island, Wilson Cove 7 Comment
  LA200077  Pellaea andromedifolia Lawrence L. Kiefer; 1966-3-12 1677 Los Angeles SANTA MONICA MOUNTAINS, Zuma Canyon, East Fork, Calamigos, E of Latigo Canyon Rd, ca 0.12 mi S of Mulholland Hwy. 518 Comment
  LA94136  Pellaea andromedifolia Lawrence L. Kiefer; 1966-3-6 1663 Los Angeles SANTA MONICA MOUNTAINS, ravine between Las Flores and Big Rock Rd, ca 0.25 mi above Hwy 1. 45 Comment
  UCR256466  Pellaea andromedifolia R. G. Swinney 2010-6-8 13199 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail 573 Comment
  RSA535717  Pellaea andromedifolia T. S. Ross 1991-5-22 5459 Los Angeles San Clemente Island: Spray Canyon; short canyon 2400 feet ENE of Spray (which in turn is 5200 feet N of Eel Point), W side of island. 60 Comment
  RSA545277  Pellaea andromedifolia var. andromedifolia D. Propst, M. Hoefs 1973-2-5 2 Los Angeles Santa Catalina Island: Southeast of Wrigley Memorial in Upper Avalon Canyon. 244 Comment
  RSA0022221  Pellaea mucronata Anonymous 1094 Los Angeles Middle Ranch Canyon. [Santa Catalina Island] Comment
  RSA675818  Pellaea mucronata subsp. mucronata LeRoy Gross 2003-3-7 773 Los Angeles Northwest side. Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane, off of Newhome Ave. in city of Sunland. 564 Comment
  RSA762135  Pellaea mucronata subsp. mucronata Orlando Mistretta, Christine Mistretta 2008-5-15 3069 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 75 per TRTP Survey 2008), W fork of the San Gabriel River, Shortcut Cyn. 1200 Comment
  CATA3506  Pennisetum setaceum Julia Parish 2017-11-5 039 Los Angeles Santa Catalina Island: Avalon; intersection of East Whittley Ave and Country Club Dr. at the Southern California Edison retention pond 64 Comment
  UCR142907  Penstemon cordifolius C. B. Wolf 1931-7-30 2297 Los Angeles Santa Susana Mtns, Base of Newhall Grade, 0.25 mi above crossing of the Los Angeles Aqueduct 457 Comment
  JEPS104736  Penstemon grinnellii John L. Morrison 1937-6-18 2567 Los Angeles San Gabriel Mountains; about 200 yds below the Mount Islip saddle on trail to Crystal Lake Comment
  UCR23177  Penstemon grinnellii Polly Schiffman 1981-5-23 025 Los Angeles Angeles National Forest, San Gabriel Mtns: 0.5 mi north of Red Box Ranger Station and 20 mi north of La Canada-Flintridge on Angeles Crest Hwy 1601 Comment
  POM4269  Penstemon heterophyllus var. australis C. F. Baker 1909-5-15 5319 Los Angeles San Antonio Canyon, Claremont. Comment
  RSA674842  Penstemon heterophyllus var. australis Scott D. White, Kent Hughes 2000-5-16 7831 Los Angeles San Gabriel Mountains: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  RSA530061  Penstemon labrosus Tim S. Ross 1991-8-16 5849 Los Angeles San Gabriel Mountains, Horse Flats. 1720 Comment
  VVC491  Penstemon labrosus P. J. MacKay 1989-1 s.n. Los Angeles San Gabriel Mtns, Jackson Lake. about 10 miles west of Wrightwood on Highway N4. About 300 m from lake 1873 Comment
  UCSB9320  Penstemon labrosus Bacigalupi, Rimo 1952-8-9 Los Angeles Summit of Blue Ridge; above and S.W. of Wrightwood and Swarthout Valley; in the San Gabriel Range; Angeles National Forest 2438 Comment
  POM305832  Penstemon spectabilis Henry J. Ramsey, Henry J. Ramsey 1940-3-8 1082 Los Angeles North of Claremont. Comment
  SFV17399  Penstemon spectabilis M. S. Valenzuela 1998-5-20 64 Los Angeles Santa Monica Mountains Along Mulholland Drive at mile marker 24.57. West of Cold Canyon. 305 Comment
  RSA0097052  Pentacaena ramosissima E. S. Spalding 1924-5-3 s.n. Los Angeles Manhattan Beach. Comment
  LA200910  Pentachaeta lyonii Carl Wishner; 1987-4-22 1303 Los Angeles 550.0 Comment
  RSA0060339  Pentagramma triangularis Karen Hosterman 1957-4-8 963 Los Angeles Santa Catalina Island: Avalon; just E of Stables on road to Bird Park; E-W Canyon. Comment
  RSA687374  Pentagramma triangularis subsp. triangularis L. E. Hoffman 1931-11-25 s.n. Los Angeles Millard's Canyon, Angeles National Forest Comment
  CATA99  Peritoma arborea Mark L. Hoefs 1973-3-13 75 Los Angeles Santa Catalina Island: Upper Avalon Canyon, rocky hillside below Wrigley Memorial Garden 83 Comment
  OBI19651  Peritoma arborea Kell Jensen 1966-4-22 34 Los Angeles Escondido Canyon on Escondido cyn rd W of hwy 14 884 Comment
  OBI19654  Peritoma arborea Bill Arbaugh 1966-4-16 42 Los Angeles West on 138, near a pond 1097 Comment
  SBBG27715  Perityle emoryi M. R. Benedict 1965-12-7 Los Angeles E end of Parson's Landing 4 Comment
  UC2027702  Phacelia Anuja Parikh with Nathan Gale 2010-6-10 3280 Los Angeles WTR, E Liebre Mountains, Sierra Pelona, NW of Vincent and Soledad Pass, 2.3 km NW of State Highway 14. Comment
  UCR210125  Phacelia R. G. Swinney 2008-7-24 9352 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
  RSA442300  Phacelia brachyloba L. E. Hoffman 1933-7-10 s.n. Los Angeles Coldwater Canyon (near Colby's Ranch) Sierra Madre Mountains Comment
  UCR258940  Phacelia campanularia R. G. Swinney 2010-5-11 12690 Los Angeles San Gabriel Mountains, east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd 872 Comment
  SEINET12280048  Phacelia campanularia Unknown 1933-1 8419 Los Angeles Comment
  CATA3100  Phacelia cicutaria var. hispida Amy Catalano 2016-5-11 103 Los Angeles Santa Catalina Island: South side of Cape Canyon Road, 100 meters up canyon from gate by corrals, on northwest facing slope 227 Comment
  LA38555  Phacelia cicutaria var. hispida Carl Epling; 1925-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA0087092  Phacelia cicutaria var. hispida R. G. Swinney 2010-3-30 12112 Los Angeles Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway. 207 Comment
  RSA427630  Phacelia cicutaria var. hispida A. M. Johnson 1934-5-1 4446 Los Angeles Shaded moutain side, Sepulveda Canyon. Comment
  SBBG128123  Phacelia cicutaria var. hispida M. L. Hoefs 1994-5-21 1856 Los Angeles near upper Renton Mine Rd 252 Comment
  SBBG128430  Phacelia cicutaria var. hispida M. L. Hoefs 1994-5-21 1845 Los Angeles SE end of Renton Mine Rd 262 Comment
  SBBG64964  Phacelia cicutaria var. hispida F. R. Fosberg 1932-5-7 8149 Los Angeles Grand Cyn, foot of upper falls 135 Comment
  SBBG95231  Phacelia cicutaria var. hispida M. B. Dunkle 1928-4-14 1864 Los Angeles Renton Mine Comment
  SD6820  Phacelia cicutaria var. hispida J. C. Nevin Los Angeles Los Angeles Comment
  UCR260016  Phacelia cicutaria var. hispida R. G. Swinney 2010-3-30 12112 Los Angeles San Gabriel Mountains, Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway 207 Comment
  RSA160527  Phacelia cicutaria var. hispida J. D. Olmsted 1958-3-9 33 Los Angeles along hillsides of Johnson Cr. and Thompson Cr.; southwestward drainage along Thompson Cr. east of Webb School and 3/4 mi. NW of intersection of Indian Hill and Baseline NW Claremont. 457 Comment
  UCR183989  Phacelia ciliata A. C. Sanders 2007-4-19 33424 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  RSA587339  Phacelia cryptantha Orlando Mistretta 1992-5-4 215 Los Angeles Little Rock Creek, Alimony Ridge. 1463 Comment
  RSA426051  Phacelia davidsonii Fordyce Grinnell Jr. 1911-06 s.n. Los Angeles Mt. Wilson 1768 Comment
  HSC87037  Phacelia distans A. C. Sanders, B. Pitzer, J. Lyman 1988-4-4 7770 Los Angeles Lancaster, near Quartz Hill, S of Ave. L at 37th St. W 747 Comment
  POM73958  Phacelia distans George B. Grant 1905-4-26 s.n. Los Angeles Garvanza. Comment
  UCR101708  Phacelia distans B. G. Pitzer 1998-5-23 3753 Los Angeles Western Transverse Range, Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  UCR206134  Phacelia distans A. C. Sanders, T. B. Salvato 2009-5-29 37054 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  RSA428322A  Phacelia distans Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  UC483322  Phacelia douglasii Helen D. Geis Jan 1909 Los Angeles sand-dunes Redondo Comment
  RSA570176  Phacelia fremontii Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4790 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  UCR260004  Phacelia fremontii R. G. Swinney 2010-5-11 12629 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
  RSA549201  Phacelia grandiflora Tim S. Ross 1990-6-20 3695 Los Angeles Forest Service Rd. 1N36 heading S from Rincon-Red Box Rd; upper Cold Springs Canyon drainage 1037 Comment
  UCSB45422  Phacelia grandiflora Batson, J. 1979-5-12 Los Angeles End of Trancas Canyon Road near Malibu, CA 91 Comment
  RSA0115454  Phacelia imbricata R. G. Swinney 2010-5-25 12907 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA716550  Phacelia imbricata Andrea Edwards, Pam DeVries 2006-5-15 110 Los Angeles triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  UC1400323  Phacelia imbricata subsp. patula Robert F. Thorne, C. W. Tilforth, J. Dourly, and R. Scogin 1972-8-11 42225 Los Angeles n slope of mt. near Buckhorn Station; San Gabriel Mts., Angeles National Forest, Mt. Waterman 2133 Comment
  RSA428261  Phacelia ivesiana T. W. Minthorn 1925-5-30 s.n. Los Angeles Palmdale. Comment
  RSA570044  Phacelia longipes Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4901 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity. 492 Comment
  RSA177773  Phacelia lyonii Robert F. Thorne, P. Everett 1965-5-11 34525 Los Angeles Ballast Point, E side of Catalina Harbor, Santa Catalina Island 61 Comment
  UC1234627  Phacelia lyonii Peter H. Raven 1962-5-22 17829 Los Angeles about 1 mi w Cherry Canyon (along coastal bluffs); Santa Catalina Island Comment
  UCR258910  Phacelia minor R. G. Swinney 2010-4-23 12353 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  RSA662184  Phacelia minor Giancarlo Massarotto 1981-5-28 54 Los Angeles Private home garden 1020 So. Valinda Ave. W. Covina. Comment
  CAS-BOT-BC145075  Phacelia mohavensis Joseph Andorfer Ewan; Nesta Ewan 1936-8-14 10054 Los Angeles Lilly Springs, n. slope of Mt. Hawkins, San Gabriel Mts. 2438 Comment
  POM49700  Phacelia ramosissima var. austrolitoralis L. R. Abrams 1901-06 1686 Los Angeles Ballona Harbor, Comment
  POM3702  Phacelia ramosissima var. latifolia C. F. Baker 1903-8-2 3661 Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  RSA0108898  Phacelia tanacetifolia Richard G. Swinney 2011-4-1 14306 Los Angeles San Gabriel Mountains/SW Mojave Desert: WSW of Littlerock, Cheseboro Canyon, 0.4 mi south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  RSA670722  Phacelia tanacetifolia Bonnie C. Templeton, I. W. Clokey 1930-4-8 1029 Los Angeles Mojave Desert, W of Lancaster. 400 Comment
  POM356921  Phalaris minor Howard Mullins 1931-5-5 s.n. Los Angeles Los Angeles, city lot Comment
  SEINET10960543  Phalaris minor LeRoy R. Abrams Abrams 1460 Los Angeles Inglewood Comment
  UCR185398  Pholistoma auritum A. C. Sanders, T. B. Salvato 2007-4-25 33549 Los Angeles Tehachapi Mtns., Oso Canyon near Kern Co. line, c. 0.1-0.2 mi. south of road on canyon bottom, c. 0.75 mi. east of powerlines 1220 Comment
  SD69509  Pholistoma auritum var. auritum Robert F. Thorne 1966-4-5 35827 Los Angeles Santa Catalina Island: Cape Canyon 274 Comment
  SEINET4080672  Pholistoma racemosum R. Moran 1941-1 574 Los Angeles Middle Ranch, San Clemente Island. 500 Comment
  RSA594354  Phoradendron bolleanum var. densum Steve D. Boyd, Lauren Raz 1996-10-14 9061 A Los Angeles Liebre Mountains region, near the head of Soledad Canyon, just north of the confluence of Kentucky Springs Canyon, strip of undeveloped land between Sierra Highway and Highway 14, just west of Vincent Fire Station. 939 Comment
  OBI12431  Phoradendron densum Robert J. Rodin 1953-5-17 5827 Los Angeles Near main hwy about 3 mi S of Gorman Comment
  UCD170492  Phoradendron leucarpum subsp. tomentosum R. G. Swinney 2008-6-4 8932 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, west tributary of W Fork Punchbowl Canyon, 0.4 mi. NE of park headquarters. 1329 Comment
  RSA597514  Phoradendron macrophyllum Louis C. Wheeler 1962-6-30 8163 Los Angeles San Gabriel Mountains. Pacoima Canyon at Bad Canyon. 976 Comment
  POM180305  Phoradendron villosum Louis C. Wheeler 1932-4-10 610 Los Angeles San Gabriel Mountains: Gleason Canyon at Aliso Canyon Road. 915 Comment
  SEINET3404197  Phyllospadix torreyi F. R. Fosberg 1931-4-12 S 4575 Los Angeles Santa Catalina Island, Jewfish Point -10 Comment
  RSA0030776  Physalis lancifolia Louis C. Wheeler 1931-7-21 394 Los Angeles 2 mi. N Claremont. 412 Comment
  RSA0115399  Pinus contorta subsp. murrayana R. G. Swinney 2010-9-23 13888 Los Angeles San Gabriel Mountains; summit of Middle Hawkins Peak on Hawkins Ridge. 2576 Comment
  RSA786703  Pinus contorta var. murrayana Eric Tucker, Carly McKean 2012-7-20 LP- 1 Los Angeles San Antonio Canyon 2559 Comment
  RSA0020600  Pinus coulteri R. G. Swinney 2009-7-29 11408 .5 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA682606  Pinus halepensis Valerie Soza, Bill Hoghead, Amber Maurice 2003-5-17 s.n. Los Angeles Transverse Ranges; San Gabrield Mountains region: Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena. 915 Comment
  UCR95172  Pinus monophylla Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8586 Los Angeles San Gabriel Mtns., 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 junction with 8N05 1204 Comment
  CATA3386  Pinus torreyana Peter J. Dixon 2017-2-22 076 Los Angeles Santa Catalina Island: Blackjack Campground, near road to lower camp, at margin of drainage 480 Comment
  RSA382810  Piperia cooperi E. S. Spalding 1923-5-2 s.n. Los Angeles Fish Canyon, near Monrovia, [San Gabriel Mountains]. Comment
  RSA0091162  Plagiobothrys arizonicus R. G. Swinney 2011-4-1 14288 Los Angeles WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  RSA0117719  Plagiobothrys arizonicus A. C. Sanders 2007-4-25 33591 Los Angeles Tehachapi Mtns.: Oso Canyon, 0.7 mi. SE of the Kern Co. line along Oso Cyn. Rd. 1143 Comment
  SBBG113266  Plagiobothrys canescens S. A. Junak with M. L. Hoefs, S. Crockett 1997-3-27 SCa 360 Los Angeles Cape Cyn, along Cape Cyn Rd, ca. 0.2 rd mi W of Cape Cyn Reservoir 304 Comment
  POM368862  Plagiobothrys canescens George B. Grant, Wheeler 1904-04 s.n. Los Angeles Santa Catalina Island. Comment
  RSA609602  Plagiobothrys canescens L. C. Wheeler 1974-4-14 s.n. Los Angeles San Gabriel Mountains: Wildwood Ranch, Shuler Canyon. 412 Comment
  SD90635  Plagiobothrys canescens Robert F. Thorne 1966-4-17 36104 Los Angeles San Clemente Island; just northwest of Thirst. 548 Comment
  UCR89939  Plagiobothrys leptocladus Karen Kirtland 1993-4-10 s.n. Los Angeles Western Mojave Desert, Lancaster, east of 10th Street E between Avenue 'F' and 'G 709 Comment
  UCR187270  Plagiobothrys nothofulvus A. C. Sanders 2006-4-18 32104 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, c. 2 miles due north of the west end of Quail Lake 1037 Comment
  CAS-BOT-BC228487  Plagiobothrys parishii Marjorie Shaw; Edna Spaulding; Mrs. C. L. Walton 1917-4-6 993 Los Angeles Lovejoy Springs 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
  RSA583062  Plantago coronopus Tim S. Ross 1993-4-22 6899 Los Angeles Santa Catalina Island. SW part of the island in the vicinity of Cactus Peak (1560 ft.); 750m due N of Cactus Peak summit. Northerly slope draining to middle Bullrush Canyon. 320 Comment
  RSA640279  Plantago erecta Robert F. Thorne 1971-5-18 41366 Los Angeles Santa Catalina Island: White's Landing. 30 Comment
  UCR142505  Plantago erecta F. R. Fosberg 1931-4-15 S- 4629 Los Angeles Channel Islands, Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island 200 Comment
  RSA595339  Plantago erecta Louis C. Wheeler 1967-5-8 9333 Los Angeles San Gabriel Mts [Liebre Mtns] between Bouquet Junction and Bonelli Ranch. 396 Comment
  RSA780003  Plantago indica R. G. Swinney 2009-4-7 10293 Los Angeles Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  UCR271724  Plantago lanceolata R. G. Swinney 2011-3-26 14208 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  LA33982  Plantago major Henry J. Thompson; 1959-11-23 3010 Los Angeles Santa Monica Mountains, Franklin Canyon, shore of upper Franklin Canyon Reservoir 259 Comment
  RSA68968  Plantago major F. W. Peirson 462 Los Angeles Weed AT 1085 New York Drive, Altadena. Comment
  RSA209615  Plantago ovata var. insularis M. B. Dunkle 1939-4-5 7270 Los Angeles San Clemente Island: China Point, Pyramid Cove. Comment
  RSA286662  Platanthera leucostachys Robert F. Thorne, Larry E. DeBuhr 1974-6-28 44757 Los Angeles San Gabriel Mountains, Angeles National Forest: Lily Springs area on N slope of Mt. Hawkins, drainage of S Fork Big Rock Creek 2439 Comment
  RSA382863  Platanthera leucostachys Louis E. Hoffman 1932-8-14 s.n. Los Angeles Mt. Islip, Angeles National Forest. 2439 Comment
  CAS-BOT-BC93184  Platanus racemosa Alice Eastwood 1915-8-25 4921 Los Angeles Country adjacent to Los Angeles. Duarte. Comment
  LA200744  Platanus racemosa Robert G. Engman; sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  RSA590940  Platanus racemosa Orlando Mistretta 1994-4-12 1031 Los Angeles Little Rock Creek: Slopes E of Little Rock Reservoir 976 Comment
  RSA717701  Platanus racemosa Gary D. Wallace 1981-5-5 2650 Los Angeles LAM Exposition Park. Comment
  UC405466  Platanus racemosa Geo. B. Grant 1904-5-10 1007 /6169 Los Angeles Pasadena Comment
  SEINET4890923  Platanus racemosa J. H. Barber 1897-3-28 103 Los Angeles Santa Monica Forestry Station Comment
  RSA66242  Platystemon californicus F. W. Peirson 1920-3-28 2103 Los Angeles North slope of low hills at foot of Tujunga Canyon, w. end of San Gabriel Mountains. 457 Comment
  UC520025  Platystemon californicus Joseph Andorfer Ewan 1932-5-19 7535 Los Angeles Playa del Rey Comment
  LA206290  Platystemon californicus Carolyn Barber; 1969-5-6 sn Los Angeles Gorman Comment
  POM11215  Platystemon californicus George B. Grant 1904-5-14 s.n. Los Angeles Playa del Rey. Comment
  RSA751477  Plecostachys serpyllifolia R. E. Riefner Jr. 2008-12-27 08 -385 Los Angeles City of Malibu, ocean bluff W of El Matador State Park. 2 Comment
  RSA729186  Poa annua R. G. Swinney 1998-7-10 6414 Los Angeles Prairie Fork Canyon, 0.5 mi. west of Cabin Flats Campground. Canyon bottom with riparian forest of Alnus rhombifolia, surrounded by montane coniferous forest and chaparral. 1585 Comment
  UCR214633  Poa annua A. C. Sanders, Dan S. Cooper 2010-3-12 37385 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  SFV21023  Poa bulbosa L. Gross, J. Gross, J. Gross, Jr., M. Gross 2002-4-27 533 Los Angeles San Gabriel Mountains West Fork San Gabriel River, Valley Forge Campground. 1057 Comment
  UC185565  Poa howellii T. S. Brandegee 1890-5-16 Los Angeles Catalina Isl Comment
  RSA595323  Poa pratensis subsp. pratensis D. L. Banks 1996-4-24 909 Los Angeles Claremont, localized escape in the lawn at the corner of Doane Ave. & Guilford Ave. Comment
  RSA484216  Poa secunda Anstruther Davidson 1890-1 s.n Los Angeles Los Angeles Comment
  RSA702481  Poa secunda Scott D. White 2004-5-5 10292 Los Angeles Bald Mtn. area, west of Old Ridge Route. 1280 Comment
  RSA730952  Poa secunda Gary D. Wallace 1979-5-26 1848 Los Angeles San Gabriel Mountains: along Angeles Forest Highway just west of Clear Creek Ranger Station Comment
  UCR126656  Poa secunda A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26113 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
  CAS-BOT-BC236263  Poa secunda subsp. juncifolia Timothy S. Ross; Steve Boyd 1994-5-25 7878 Los Angeles Liebre Mountains. W Summit here construed as the rounded knoll 100 m S of the intersection of sections 3, 4, 9 & 10, Liebre Mtn 7.5' USGS Quadrangle 1708 Comment
  CATA880  Poa secunda subsp. secunda Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-31 1692 Los Angeles Santa Catalina Island: Above Black Jack Road by fenced mine shaft 411 Comment
  LA12540  Poa secunda subsp. secunda LeRoy Abrams; 1903-3-8 3105 Los Angeles near Inglewood Comment
  RSA593771  Poa secunda subsp. secunda Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8560 Los Angeles Liebre Mountains, upper Osito Canyon between Interstate 5 and the Old Ridge Route on gentle slope with grassland patch and adjacent steeper slopes and canyon bottom. 780 Comment
  UC1109347  Poa secunda subsp. secunda Peter H. Raven 1962-4-10 17209 Los Angeles summit of Thirst; San Clemente Isl 579 Comment
  UC121965  Poa secunda subsp. secunda T. S. Brandegee Los Angeles Santa Catalina Isl Comment
  UCR216861  Polycarpon tetraphyllum R. G. Swinney 2009-3-12 10101 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 0.7 mi. north of Sierra Madre Ave. on north side of Hwy 39 226 Comment
  UCR23663  Polycarpon tetraphyllum Alfred R. Roos 1958-5-2 s.n. Los Angeles Evans and Reeves Nursery, Brentwood, West Los Angeles Comment
  CDA2838  Polygonum aubertii G. C. Fleischman 1956-11-7 Los Angeles Beside the signal tower, P.E.R.R. crossing of the railroad in East Pasadena, & since tower was removed still persists. 0 Comment
  UCD105598  Polygonum aviculare Geoffrey Levin 1975-5-17 521 Los Angeles vacant area east of Harwood Court, Pomona College, Claremont. 335 Comment
  RSA533912  Polygonum aviculare subsp. aviculare Tim S. Ross, Orlando Mistretta 1991-5-18 5183 Los Angeles San Clemente Island: Twin Dams; shallow pond at the westerly of the two earthen dams, and mesic inlet draw 474 Comment
  RSA567528  Polygonum aviculare subsp. depressum Tim S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3926 Los Angeles Liebre Mtn: near center of the long summit, in the vicinity of the old Radio Tower site; nr ctr NE 1/4 sect 10 1720 Comment
  IRVC28755  Polygonum punctatum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25526 Los Angeles Newhall Ranch, large natural spring at north foot of "Airport Mesa," 0.75 mi. SW of Castaic Junction Santa Clara River Valley 305 Comment
  POM246614  Polypodium californicum F. R. Fosberg 1931-3-24 R 80 Los Angeles Santa Catalina Island. Hamilton Canyon Near Avalon. 80 Comment
  UC1971486  Polypodium californicum Louis C. Wheeler 1967-5-15 9581 Los Angeles SAN GABRIEL MOUNTAINS: South side Elsmere Canyon near the mouth. Comment
  UCSB62310  Polypodium californicum Kiefer, Lawrence 1967-5-21 Los Angeles San Gabriel Mtns., NE of Claremont, North Fork Barrett Canyon, tributary of San Antonio Canyon, ca. 1/4mi above USFS Rd. 2N04 1219 Comment
  UCSB62390  Polypodium californicum Kendall, M. 1921-2-13 Los Angeles Palmer's Canon Comment
  UCSB62340  Polypodium californicum Kiefer, Lawrence 1967-4-9 Los Angeles San Gabriel Mtns., W of Mt. Wilson, Upper Arroyo Seco, ca. 1mi down from Switzer Forest Station 914 Comment
  SEINET3873674  Polypodium glycyrrhiza K. Dobry 1992-4-14 d 1138 Los Angeles 5 mi N of Pacific Coast Highway along Arroyo Sequit at Camp Shalom. West Santa Monica Mountains.; 0 Comment
  CATA805  Polypogon interruptus Mark L. Hoefs, Robert Given 1991-6-12 1377 Los Angeles Santa Catalina Island: Near junction of road between Middle Canyon and Bulrush and road to Camp Cactus 228 Comment
  RSA654299  Polypogon monspeliensis Monica Acosta 1998-5-22 16 Los Angeles The Center for Regenerative Stuedies, South of California State Polytechnic University. (Cal Poly Pomona) 225 Comment
  RSA782110  Polypogon monspeliensis A. C. Sanders, Dan S. Cooper 2010-4-30 38157 Los Angeles Madrona Marsh, Torrance 24 Comment
  RSA533419  Polypogon viridis Timothy S. Ross 1991-4-21 4528 Los Angeles Whittier Hills (Puente Hills, pro parte): Middle Turnbull Canyon, vicinity of old water tank. 229 Comment
  LA105056  Polypogon viridis Barry A. Prigge; 1988-7-3 8210 Los Angeles Santa Monica Mountains, Calabasas, ca 0.4 mi E of jtn of Mulholland Hwy and Old Topanga Rd, S of E-end of Calabasas High School track 313 Comment
  RSA733136  Polystichum imbricans subsp. imbricans R. G. Swinney 1998-8-1 6618 Los Angeles San Gabriel Mtns.: Vincent Gulch, 2.5 mi. ESE of the summit of Mt. Baden-Powell, c. 0.6 mi. above confluence with San Gabriel River 1427 Comment
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Mar 14 2010
  POM360754  Populus fremontii J. A. Comstock 1938-4-18 s.n. Los Angeles Near Little Rock. Comment
  RSA0065850  Populus fremontii subsp. fremontii LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6781 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  UCR271474  Potentilla glandulosa R. G. Swinney 2011-5-3 14569 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  CAS-BOT-BC154935  Prunus ilicifolia Grant 1900-4-11 s.n. Los Angeles Mt. Lowe Comment
  RSA0093053  Prunus ilicifolia Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14342 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi west of center of Sierra Madre Dam, 0.26 mi (64 degrees) NNW of the trailhead. 451 Comment
  RSA599581  Prunus ilicifolia Steve D. Boyd, Lauren Raz 1997-3-25 9308 Los Angeles Liebre Mountains region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch. 1097 Comment
  RSA600476  Prunus ilicifolia Steve D. Boyd, Lauren Raz 1997-4-30 9598 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine. 866 Comment
  UC1128427  Prunus ilicifolia A. D. Gifford 1935-5-8 695 Los Angeles 1 mi s of Warm Springs (Angeles National Forest); Angeles National Forest 609 Comment
  UCR95391  Prunus ilicifolia L. C. Wheeler 1966-11-19 9135 Los Angeles San Gabriel Mtns., Tunnel Bypass, 0.25 mi upstream from Dutch Louie Camp, Pacoima Canyon 716 Comment
  SBBG17145  Prunus ilicifolia subsp. ilicifolia K. A. Wilson 1962-5-26 1289 Los Angeles Soledad Cyn Rd, ca. 3 mi E of Agua Dulce Cyn Comment
  SBBG39238  Prunus ilicifolia subsp. lyonii M. B. Dunkle 1939-4-3 7243 Los Angeles Chenetti Cyn 9 Comment
  JEPS44912  Prunus virginiana var. demissa Frank W. Peirson 1919-6-4 82 a Los Angeles Icehouse Canyon; San Gabriel Mountain, Icehouse Canyon 2057 Comment
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Dec 10 2014
  CAS-BOT-BC356373  Pseudognaphalium beneolens I. M. Johnston 1918-9-3 2146 Los Angeles Brea Canon [Canyon], Puente Hills 396 Comment
  CAS-BOT-BC356410  Pseudognaphalium beneolens Timothy S. Ross; Steve Boyd 1994-9-20 8267 Los Angeles Liebre Mountains. Lower Spunky Canyon: this stretch draining SSE, exiting into Bouquet Reservoir 934 Comment
  POM358732  Pseudognaphalium biolettii C. B. Liter, J. A. Powell 1928-4-2 s.n. Los Angeles Santa Catalina Island. NW of Avalon. 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
  SD90449  Pseudognaphalium biolettii Robert F. Thorne, M. Z. Thorne 1973-2-12 42467 Los Angeles Santa Catalina Island; north of Marine Science Station at Fishermen's Cove 45 Comment
  UCR261386  Pseudognaphalium biolettii R. G. Swinney 2010-2-27 11719 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
  UCR272970  Pseudognaphalium biolettii R. G. Swinney 2011-4-26 14517 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
  CAS-BOT-BC356570  Pseudognaphalium biolettii Huron H. Smith 1912-6-1 5073 Los Angeles Avalon Canyon, Santa Catalina Isl. 38 Comment
  SBBG131137  Pseudognaphalium californicum S. A. Junak 1999-5-21 SCa 971 Los Angeles rd on ridge between Silver Cyn and Coffee Pot Cyn, near BM 1732, on fenceline rd off Salta Verde/Bulrush Cyn Trail 527 Comment
  UCR243019  Pseudognaphalium luteoalbum R. G. Swinney 2009-8-6 11517 Los Angeles Transverse Range; San Gabriel Mountains, Lodi Canyon Falls, first major waterfall up canyon from confluence with San Dimas Canyon, San Dimas Experimental Forest 476 Comment
  LA38817  Pseudognaphalium microcephalum Peter H. Raven; Henry J. Thompson 1959-10-4 14563 Los Angeles Santa Monica Mountains, Point Mugu, just W of point 15 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
  SFV6268  Pseudognaphalium stramineum M. H. Grayum, L. A. Lester, T. Clanin s. n. Los Angeles Santa Susana Mountains Upper Las Llajas Canyon. Along stream. 587 Comment
  UC1118463  Pseudognaphalium thermale L. M. Correll 1928-1-13 6 Los Angeles Head of Stoddard Canyon Angeles National Forest, Cucamonga Quad., Head of Stoddard C 1219 Comment
  CAS-BOT-BC80056  Pseudotsuga macrocarpa Victor Duran 1933-7-27 3537 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
  CDA4002  Psoralea bituminosa Wesley O. Griesel 1961-4-11 Los Angeles San Gabriel Mountains: Millard Canyon. Comment
  CDA4237  Psoralea bituminosa Scott D. White 2003-10-22 9839 Los Angeles Transverse Ranges; San Gabriel Mountains region; Foothills above Sierra Madre. L.A. Dept of Public Works Sierra Madre Debris Basin. Northern terminus of Sumac St. Comment
  RSA629736  Pteridium aquilinum var. pubescens L. C. Wheeler 1973-7-15 s.n. Los Angeles San Gabriel Mountains: Graveyard Canyon, second side canyon. Comment
  UCR277169  Pteris multifida R. E. Riefner Jr. 2015-8-15 15- 228 Los Angeles South Coast, city of Los Angeles, Pacific Palisades, north side of Pacific Coast Hwy at Porto Marina Way near the PCH pedestrian bridge crossing 11 Comment
  UCR124256  Pterospora andromedea L. C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mtns, Little Rock Creek, fork N from pump house 2043 Comment
  RSA0110797  Pterostegia drymarioides R. G. Swinney 2011-4-28 14551 Los Angeles San Gabriel Mountains: north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam. 878 Comment
  UCR197197  Pterostegia drymarioides Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 705 Los Angeles Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999 579 Comment
  UCR258578  Pterostegia drymarioides R. G. Swinney 2010-4-23 12366 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  POM18111  Purshia tridentata var. glandulosa Philip A. Munz 1923-5-25 6820 Los Angeles Big Rock Creek. 1280 Comment
  UCR202699  Pyrola dentata R. G. Swinney 2001-8-11 8036 Los Angeles San Gabriel Mtns., Lamel Springs on north slope of Mt. Baden-Powell, 1.5 miles south of Vincent Gap 2375 Comment
  UCSB27991  Quercus X alvordiana Lloyd, Robert 1959-3-24 Los Angeles At Oak Flats Fire Station, 10 mi. north of Castaic, Calif, on U.S. Hwy. 99, Tehachapi Mts. 822 Comment
  UCD46917  Quercus X macdonaldii Robert F. Thorne 1966-9-15 36702 Los Angeles Santa Catalina Island: Cape Canyon near small reservoir; 320 Comment
  RSA754232  Quercus agrifolia var. agrifolia Ellen Mackey, Blake Whittiington 2006-10-4 NFWF- 1778 Los Angeles San Gabriel River Watershed; Riparian area in Sycamore Canyon near gate 402 Comment
  RSA655937  Quercus berberidifolia James Henrickson 2000-4-15 20706 Los Angeles 1 mile SE of Newhall in W part of Whitney Canyon just NE of junction of San Fernando Road and State Hwy 14, within 200ft of Hwy 14 473 Comment
  RSA313420  Quercus chrysolepis T. S. Elias 1984-4-29 8325 Los Angeles Angeles National Forest; Glendora Ridge near Baldy Camp; along forest service road above ridge road Comment
  RSA507982  Quercus chrysolepis Steve Boyd 1988-4-28 2239 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  SEINET3137645  Quercus chrysolepis R. W. Spellenberg, N. Zucker 1993-9-6 11919 Los Angeles San Gabriel Mts., Hwy 2 1 mi W of Cloudburts Summit 2103 Comment
  UC586903  Quercus chrysolepis Joseph Andorfer Ewan 1934-8-2 8470 Los Angeles Bear Flats Ranger Station San Gabriel Mts., San Antonio Canyon 1371 Comment
  UCD82690  Quercus chrysolepis Rodney Gale Myatt 1970-9-16 570 -13 Los Angeles Along Baldy Mt. Road, at wash next to powerhouse. Near Los Angeles County line, north of Pomona. 1380 Comment
  UCR270033  Quercus chrysolepis R. G. Swinney 2011-7-21 15531 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  CAS-BOT-BC86355  Quercus dumosa Ernest Braunton 1902-7-1 545 Los Angeles Griffith Park Comment
  SEINET5792299 Image available Quercus dumosa Marcus E. Jones 1882-1 3034 Los Angeles Pasadena, California Comment
  SJSU643  Quercus dumosa F. R. Fosberg 1931-3-25 S 4358 Los Angeles Hamilton Canyon, Santa Catalina Island 79 Comment
  SEINET9033656  Quercus dumosa G. B. Grant, W. Wheeler 1904-5-17 1088 Los Angeles Collected at Mt. Wilson, southern CA, Pasedena 1524 Comment
  UCR269105  Quercus durata var. gabrielensis Orlando Mistretta 1995-1-10 1955 Los Angeles Transverse Ranges; San Gabriel Mtns., near Glendora Mountain Road, c. 4 miles west of junction with Baldy Mtn. Road 1418 Comment
  RSA733151  Quercus engelmannii Susan Grose, L. Braccio, L. Gross 2007-11-11 188 Los Angeles Pasadena, Oak Grove Park. 299 Comment
  RSA595640  Quercus garryana var. breweri Steve Boyd, Lauren Raz 1996-10-8 9007 Los Angeles Liebre Mountains region, upper southerly flank of Martindale Canyon, just up from Willow Spring on Forest Service Road 6N08, ca. 0.2 miles northwest of the junction with 6N07. 1402 Comment
  SBBG105565  Quercus garryana var. breweri T. Ross, S. Boyd 1994-9-21 8307 Los Angeles upper W end of the mtn, along Forest Service Rd, SW of Sandberg Triangulation Pt 1575 Comment
  RSA191625  Quercus kelloggii Robert F. Thorne 1966-8-29 36610 Los Angeles San Gabriel Mts, Angeles National Forest: Big Pines Recreation Area, dry slope above E end of Jackson Lake, on road from Big Pines to Valyermo. 1890 Comment
  SBBG13571  Quercus pacifica E. R. Blakley 1961-9-23 4755 Los Angeles small cyn at E end of Isthmus Harbor Comment
  CAS-BOT-BC248856  Quercus tomentella P. S. Manos 1988-10-28 693 Los Angeles San Clemente Island, S fork of Vista Canyon 243 Comment
  SBBG43939  Quercus tomentella M. R. Benedict 1971-6-26 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  UC1594420  Quercus tomentella Tim Ross and Elizabeth Kellogg 1992-4-12 6126 A Los Angeles 110 degrees ese, 480-600 m from Vista (point) (at head of Grove Canyon); San Clemente Island, Grove Canyon 426 Comment
  CAS-BOT-BC104867  Quercus wislizeni S. Y. Parnay 1911-6-1 s.n. Los Angeles Henninger's Flats Comment
  SDSU6995  Quercus wislizeni J. Godsil 1953-3-9 564 Los Angeles Little Dalton canyon, above San Gabriel lakes. 960 Comment
  RSA587476  Quercus wislizeni var. frutescens Orlando Mistretta 1994-4-29 1125 Los Angeles San Gabriel Mountains, Santiago Canyon, slopes W of main drainage below Mt. Emma. 1341 Comment
  RSA191100  Rafinesquia californica R. F. Thorne, M. Z. Thorne 1967-6-25 37109 Los Angeles San Gabriel Mountains: Upper Evey Canyon 854 Comment
  CAS-BOT-BC362479  Rafinesquia californica F. Grinnell Jr. 1910-6-22 s.n. Los Angeles San Gabriel Mts. 1066 Comment
  POM183607  Rafinesquia californica Joseph A. Ewan 1929-5-25 3476 Los Angeles Above Provedencio Rancho, Santa Monica Mountains Comment
  UC827832  Ranunculus hebecarpus Marcus E. Jones, A. M. 1882-5-3 3219 Los Angeles Pasadena Comment
  UCR139424  Ranunculus hebecarpus Fay A. MacFadden 1931-3-29 17 E Los Angeles La Tuna Canyon, Verdugo Hills 488 Comment
  RSA592437  Raphanus raphanistrum L. C. Wheeler 1967-5-13 9503 Los Angeles San Gabriel Mountains; mesa between Little Dalton and Englewild canyons. 373 Comment
  CAS-BOT-BC74283  Raphanus sativus A. H. Gallup 1949-3-17 s.n. Los Angeles Near north-central portion of the property, LASCA. Comment
  POM12335  Raphanus sativus F. L. Robinson 1921-6-2 88 Los Angeles Between Claremont and Upland Comment
  UCSB2419  Raphanus sativus McElwain, Isabelle 1953-3-29 Los Angeles 500 yds. north of 18000 Bull Canyon Rd. 457 Comment
  PASA423  Rhamnus californica Annetta Carter 1929-1-9 Los Angeles Base of Mts., Sierra Madre Comment
  POM199682  Rhamnus californica I. W. Clokey, Bonnie C. Templeton 1929-04 4442 Los Angeles Mandeville Canyon, Santa Monica Mountains. 200 Comment
  RSA797379  Rhamnus californica J. Vlahos 1934-5-13 11 Los Angeles San Antonio Canyon. PR1. 1402 Comment
  UCR223462  Rhamnus californica R. G. Swinney 2009-6-8 11093 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy 1720 Comment
  UCR271600  Rhamnus ilicifolia R. G. Swinney 2011-10-13 15791 Los Angeles San Gabriel Mountains, Chilao Flat, jct. of Chilao Flat Rd. (north entrance) & Silver Moccosin Trail 1582 Comment
  CAS-BOT-BC59778  Rhamnus pirifolia Brandegee s.n. Los Angeles Santa Catalina Island. Comment
  SBBG129208  Rhamnus pirifolia A. Eastwood 1917-7-20 6469 Los Angeles Santa Catalina Island Comment
  SFV16670  Rhus aromatica P. Wilson, J. M. Albert 1996-6-12 3448 Los Angeles San Gabriel Mountains Off Highway 2 at mile marker 44.03, near Short Cut. 1524 Comment
  UCR217418  Rhus integrifolia R. G. Swinney 2009-3-10 10070 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  RSA0106774  Rhus ovata R. G. Swinney 2011-11-3 15995 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
  UCR219405  Rhus ovata R. G. Swinney 2009-4-1 10235 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Canyon, Monrovia Mountain Park 415 Comment
  UCR273387  Rhus ovata R. G. Swinney 2011-10-18 15843 Los Angeles San Gabriel Mountains, 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2 1021 Comment
  UC1587602  Rhus trilobata Tim Ross 1991-8-14 5749 Los Angeles southerly slope Granite Mountain; San Gabriel Mountains, Granite Mountain 1914 Comment
  RSA549571  Rhus trilobata var. pilosissima T. S. Ross 1991-3-10 4211 Los Angeles Claremont: Bernard Field Station, on E side of RSA; disturbed Artemisia californica scrub. Vicinity of Phake Lake, marked as Pit on topo map. 392 Comment
  RSA584035  Rhus trilobata var. quinata T. S. Ross, Steve D. Boyd 1991-4-25 4575 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
  CAS-BOT-BC92298  Ribes amarum Geo. B. Grant 1906-2-21 6593 Los Angeles Sierra Madre. Old Wilson Trail. Comment
  RSA610141  Ribes amarum Louis C. Wheeler 1936-3-8 4082 Los Angeles San Gabriel Mountains: Arroyo Seco. 457 Comment
  POM99  Ribes amarum C. F. Baker 1903-2-27 6327 Los Angeles San Antonia Canyon, Claremont. Comment
  RSA9647  Ribes amarum Louis C. Wheeler 1932-3-20 525 Los Angeles San Dimas Canyon. 533 Comment
  RSA0068457  Ribes aureum R. G. Swinney 2010-3-18 11984 Los Angeles San Gabriel Mountains: Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road. 540 Comment
  RSA476427  Ribes aureum var. gracillimum F. H. Elmore 1936-3-8 s.n. Los Angeles Santa Monica Mtns near Crater Camp. Comment
  UCR70843  Ribes aureum var. gracillimum L. C. Wheeler 1932-5-4 681 Los Angeles San Gabriel Valley, San Gabriel Wash 107 Comment
  POM156273  Ribes californicum var. hesperium L. R. Abrams 1902-6-17 2562 Los Angeles Sepulveda Canyon, Santa Monica Mts. Comment
  RSA476453  Ribes californicum var. hesperium F. R. Fosberg 1931-1-7 7117 Los Angeles Sierra Madre. 300 Comment
  RSA85322  Ribes californicum var. hesperium F. W. Peirson 1919-1-5 300 Los Angeles Sawpit Canyon or Monrovia Canyon (the fruiting branch from Fish Canyon), south base of San Gabriel Mts. 457 Comment
  POM92201  Ribes californicum var. hesperium George B. Grant 1906-2-21 s.n. Los Angeles Santa Anita Canyon. 762 Comment
  RSA240447  Ribes cereum var. cereum W. L. Stern 1969-8-14 2819 Los Angeles Angeles Crest Highway, 1.2 mi. S.E. Dawson Saddle near Whitethorne Picnic Area. 2322 Comment
  CAS-BOT-BC108875  Ribes divaricatum var. parishii Frederick V. Coville 1925-4-18 171 Los Angeles Lexington Wash. 91 Comment
  RSA164768  Ribes divaricatum var. parishii Brian C. Miller 1963-3-9 s.n. Los Angeles Whittier Narrows, San Gabriel River, Pico Rivera. 122 Comment
  LA35957  Ribes malvaceum Peter H. Raven; Henry J. Thompson 1960-5-29 15452 Los Angeles 822 Comment
  SD215555  Ribes malvaceum var. malvaceum Tim Ross, Peter Fritsch 1990-6-20 3646 Los Angeles Rincon Red Box Road (1N24) 2.6 miles below Pine Mountain junction; 80 degrees ENE, ca. 1720 meters distant from Pine Mountain (4539'). 1032 Comment
  RSA84497  Ribes malvaceum var. viridifolium F. W. Peirson 1919-12-2 2342 Los Angeles West Fork of Rubio Canyon, Sn Gabriel Mts 1067 Comment
  UC55340 Image available Ribes malvaceum var. viridifolium J. H. Barber 1897-1-6 5 Los Angeles Santa Monica Forestry Station Comment
  CAS-BOT-BC219179  Ribes nevadense Carl Epling; Nesta Dunn; Alice Goen 1931-5-16 s.n. Los Angeles Big Pines Camp, San Gabriel Mountains Comment
  UCSB25578  Ribes quercetorum Wheeler, Louis 1932-4-9 Los Angeles Mouth Kings Canyon; Elizabeth Lake Region 975 Comment
  SEINET13942763 Image available Ribes roezlii A. D. E. Elmer 2015-1 3604 Los Angeles Acton. Comment
  UCR38984  Ribes roezlii var. roezlii David J. Keil 1980-3-28 13738 Los Angeles San Gabriel Mtns., Lower Shake campground near Lake Hughes 1311 Comment
  RSA713812  Ribes speciosum Valerie L. Soza, Miriam Sidibeh 2003-3-26 1621 Los Angeles Western San Rafael Hills: Near junction of Ridge Motorway and Gladys Mtwy, off junction of Camino San Rafael and Flintridge Dr, SSW of Flint Peak. 564 Comment
  POM293051  Ricinus communis Lyman Benson 1945-10-22 11902 Los Angeles Claremont; Drainage area: Pacific Slope. 335 Comment
  UCR261783  Ricinus communis R. G. Swinney 2010-2-27 11741 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
  RSA660687  Romneya trichocalyx Jerry Turney 1987-6-3 57 Los Angeles Lower Eaton Canyon. San Gabriel Mountains. In front of Nature Center. Comment
  CATA1696  Rosa californica Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-10-22 3000 Los Angeles Santa Catalina Island: Cherry Valley, above beach 6 Comment
  POM156200  Rosa californica L. R. Abrams 1902-6-15 2539 Los Angeles Sepulveda Canyon, Santa Monica Mountains. Comment
  LA29322  Rubus parviflorus Mary V. Hood; 1943-6-25 Los Angeles Buckhorn Flats 1981 Comment
  POM187767  Rumex conglomeratus Thos. Craig 1933-10-9 2017 Los Angeles Soledad Canyon, about 8 miles west of Ravenna. 610 Comment
  SD262362  Rumex conglomeratus Mitch Provance, Scott Duff 2017-6-29 617 57 Los Angeles Catalina Isalnd: Middle Canyon, E of McGee Lake, SCE corridor, vicinity of Middle Ranch Rd. and Cape Canyon Trail. 206 Comment
  UC520038  Rumex conglomeratus Joseph Andorfer Ewan 1932-6-28 7518 Los Angeles Los Feliz Bridge Los Angeles River Comment
  RSA710510  Rumex crispus Valerie L. Soza, LeRoy Gross 2001-5-9 1189 Los Angeles Southern San Rafael Hills: South of Scholl Canyon, Sleepy Hollow Dr to Valle Vista fire road. 274 Comment
  UCR100621  Rumex crispus B. G. Pitzer 1996-5-5 2866 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
  RSA708049  Rumex hymenosepalus Scott D. White, Michael Honer 2004-3-30 9963 Los Angeles Eastern edge of the City of Palmdale, ca. 1 mile west-northwest of 'Four Points' 838 Comment
  RSA251406  Rumex salicifolius Robert F. Thorne 1966-4-16 36052 Los Angeles San Clemente Island, c. 1/2 mile SSE of Eel Point, SW side of island 2 Comment
  SD139507  Rumex salicifolius var. salicifolius Jon Rebman, Jonathan Dunn 1996-4-29 3110 Los Angeles San Clemente Island: Eel Cove and Eel Cove Canyon on west side of island 10 Comment
  RSA131237  Rupertia physodes Percy C. Everett, E. K. Balls 1959-6-2 23823 Los Angeles 0.6 mile NE of entrance to Stokes Canyon, Santa Monica Mts 152 Comment
  SD181343  Ruta graveolens Louis C. Wheeler 1954-5-30 7058 Los Angeles San Gabriel Mountains: Eaton Wash about east of [fork of mansion?] Comment
  CDA24077  Sagina procumbens R. Witt 1958-6-24 Los Angeles Pasadena. 0 Comment
  LA210086  Salicornia virginica J. D. & H. N. Sauer; L. & D, Birindelli Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Comment
  POM320018  Salix M. A. Clauser 1965-3-19 145 Los Angeles Evey Canyon. San Gabriel mtn range. Pacific slope drainage area. 762 Comment
  POM360934  Salix Anstruther Davidson 1920-05 s.n. Los Angeles Crane Lake. Comment
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Jan 15 2015
  POM179497  Salix exigua I. M. Johnston 1918-7-5 2087 Los Angeles Near head of San Antonio Canyon. 2287 Comment
  POM361059  Salix exigua Albert J. Perkins 1909-5-30 s.n. Los Angeles Sycamore Canon, Glendale Comment
  RSA613032  Salix exigua Louis C. Wheeler 1975-4-2 s.n. Los Angeles San Gabriel Mountains: Millard Canyon just above Canyon Crest Road. Comment
  UCR189669  Salix exigua R. G. Swinney 1998-7-6 6269 Los Angeles San Gabriel Mtns., near mouth of Mescal Canyon, 2.7 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1488 Comment
  UCR212768  Salix exigua Ellen Mackey, Bart O'Brien, Blake Whittington 2006-10-19 NFWF- 1807 Los Angeles San Gabriel Valley, San Gabriel River [channel, northeast of East Huntington Drive], Lario San Gabriel River Trail Park 180 Comment
  UC506476  Salix exigua var. hindsiana Carl Hedin and Joseph Ewan 1932-4-22 7636 Los Angeles 4 hectometers e of Radford Dr. Los Angeles R.; San Fernando Valley Comment
  RSA162844  Salix gooddingii J. D. Olmsted 1959-3-30 330 Los Angeles 1/2 mile SW of jct between Cobal and Palmer Canyons. E county boundary; Mt. Range: San Gabriel Mtns; Drainage: Thompson Creek. 412 Comment
  SEINET13387018 Image available Salix gooddingii R. G. Swinney 2011-1 14070 Los Angeles San Gabriel Mountains: Arcadia Wilderness Park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. (Mt. Wison 7.5' Q.) (T1N R11W S15) 232 Comment
  POM184867  Salix laevigata F. R. Fosberg 1932-3-13 7427 Los Angeles Lower Topanga Canyon. 15 Comment
  UCR193537  Salix laevigata R. G. Swinney 1999-6-28 7443 Los Angeles San Gabriel Mtns./Mojave Desert, Graham Canyon, south of Mescal Highlands Rd. 1494 Comment
  RSA92700  Salix laevigata F. W. Peirson 1919-3-30 359 Los Angeles Tujunga Canyon, west end of San Gabriel Mountains 427 Comment
  CAS-BOT-BC128130  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 300 Comment
  HSC79616  Salix lasiolepis James Henrickson Jan 1973 8112 Los Angeles Santa Catalina Island, 2 mi. WNW of Avalon, in Haypress area Comment
  LA52060  Salix lasiolepis Carl Hedin; J. A. Ewan 1933-3-15 7623 Los Angeles SAN FERNANDO VALLEY, Los Angeles River, at Radford Dr. 179 Comment
  SBBG57885  Salix lasiolepis F. R. Fosberg 1932-1-26 7172 Los Angeles top of grade between Calabasas and Agoura 285 Comment
  UC1532976  Salix lasiolepis Robert F. Thorne, C. W. Tilforth, and John Dourley 1969-7-29 38901 Los Angeles ca. 1 mi. w Vincent Gap (at one of headwaters of E. fork Big Rock Creek, N face Mt. Baden-Powell); San Gabriel Mts., Angeles Nat'l Forest, canyon above Angeles 2331 Comment
  UC506415  Salix lasiolepis Carl Hedin and Joseph Ewan 1932-5-19 7663 Los Angeles Ballona Creek at Ballona Marshes; Ballona Creek at Ballona Marshes Comment
  RSA92646  Salix lasiolepis F. W. Peirson 1932-3-3 9767 Los Angeles Arroyo Seco, Pasadena 396 Comment
  CAS-BOT-BC128480  Salix lasiolepis var. lasiolepis F. R. Fosberg 1932-3-3 7412 Los Angeles Agoura (Picture City), Santa Monica Mts. - bank of dry creek. Comment
  CAS-BOT-BC128525  Salix lasiolepis var. lasiolepis F. R. Fosberg 1932-1-26 7176 Los Angeles In bottom of Topanga Canyon, Santa Monica Mts. 225 Comment
  UCR274345  Salsola Steven A. Junak 1999-9-9 SCa- 1077 Los Angeles California Islands, Santa Catalina Island. Top of Black Jack Peak, at microwave installation 610 Comment
  LA211556  Salsola tragus Mark A. Elvin; 2928 Los Angeles SANTA CLARITA VALLEY, Newhall Ranch, Commerce Center site, South end of ridge Northeast of confluence of Castaic Creek and Hasley Creek, Survey Area 52. 313.0 Comment
  RSA722085  Salsola tragus R. E. Riefner 2007-2-11 7 -50 Los Angeles City of Santa Fe Springs, near Alondra St. and Carmentia St., S of Firestone Blvd. 99 Comment
  UCR62348  Saltugilia australis Jeri Hirshberg, Theo Glenn 1990-5-12 s.n. Los Angeles San Gabriel Mountains, Angeles National Forest; north of Oak Spring Canyon amd west of Pole Canyon, south of military reservation at mouth of Pole Canyon, where it joins Soledad Canyon 917 Comment
  POM48106  Saltugilia splendens subsp. grantii I. M. Johnston 1924-8-13 s.n. Los Angeles Sunset trail, 1 mi. S of Sunset Peak 1584 Comment
  RSA411308  Salvia apiana Donald R. Bissing 1973-6-2 128 Los Angeles Evey Canyon, San Gabriel Mountains, 0.2 mile from canyon mouth, on canyon wall above road cut. 726 Comment
  UCD125440  Salvia apiana Daryl Koutnik 1978-6-3 518 Los Angeles Dry Canyon-Cold Creek Road between Mulholland Hwy and Old Topanga Canyon Road. 304 Comment
  CHSC26065  Salvia carduacea N. Rinden 1971-5-2 35 Los Angeles 15 miles East of Palmdale, 3 mile North of Hwy. 138 on 167th St. in Mojave Desert. 975 Comment
  UCD125490  Salvia carduacea R. L. Smith 1948-3-25 s.n. Los Angeles 20 miles west of Lancaster. Comment
  RSA0073268  Salvia columbariae Orlando Mistretta, Christine Mistretta 2005-4-21 2073 Los Angeles Transverse Ranges; San Gabriel Mountains region: Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station. 1341 Comment
  RSA0091120  Salvia columbariae R. G. Swinney 2010-4-13 12182 Los Angeles 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom 610 Comment
  RSA0111948  Salvia columbariae Richard G. Swinney 2011-4-19 14399 Los Angeles San Gabriel Mountains: San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  UC1124715  Salvia columbariae P. L. Johannsen 1934-3-5 316 Los Angeles 1 mi ne Castac; Santa Susana Quad. 457 Comment
  HSC14333  Salvia columbariae David Porter 1965-5-1 Los Angeles 1/2 mi. S of Gorman along Hwy. 99 1098 Comment
  RSA0056295  Salvia columbariae Geo. E. Julian 1963-4-20 s.n. Los Angeles Cal Poly, Kellogg Campus, Pomona. Comment
  UCSB5785  Salvia dorrii var. dorrii Ellis, Richard 1960-4-1 Los Angeles Highway 138; 18 miles southeast of junction with highway 6 Comment
  LA69668  Salvia dorrii var. pilosa Carl Epling; L. Ellison 1930-4-17 sn Los Angeles Palmdale Comment
  RSA133243  Salvia dorrii var. pilosa Peter H. Raven 1959-3-31 13904 Los Angeles 2.5 miles west of Littlerock. Comment
  RSA679829  Salvia dorrii var. pilosa LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 852 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway. 1143 Comment
  CAS-BOT-BC233697  Salvia leucophylla Louis C. Wheeler 1932-5-21 726 Los Angeles Garapito Creek, Santa Monica Mts. 304 Comment
  UC50294  Salvia leucophylla H. M. Hall 1902-5-11 3258 Los Angeles Sierra Santa Monica Comment
  UCR260327  Salvia leucophylla R. G. Swinney 2010-5-4 12552 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  CAS-BOT-BC233302  Salvia mellifera C. F. Baker 1909-5-15 5321 Los Angeles Moutains near Claremont Comment
  RSA0045265  Salvia mellifera R. G. Swinney 2010-3-22 12010 Los Angeles West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  RSA596483  Salvia mellifera Louis C. Wheeler 1967-5-24 9719 Los Angeles San Gabriel Mountains. Indian Canyon Campground 823 Comment
  SBBG112964  Salvia mellifera S. A. Junak 1998-6-13 SCa 746 Los Angeles W side of Avalon Cyn drainage, along N rim of Quail Cyn, just W of Los Angeles County Fire Station 79 Comment
  SFV4269B  Salvia mellifera W. A. Emboden, Jr. 1962-4-29 2056 Los Angeles Santa Monica Mountains Los Angeles, Bel Air. Mulholland Drive near Beverly Glen. 380 Comment
  UCR13472  Salvia mellifera 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
  UCR281415  Salvia mellifera R. G. Swinney 2014-5-19 16591 Los Angeles San Gabriel Mountains, Glendora, ridge between east fork of Harrow Cyn. and west fork of Engelwild Cyn., 0.4 mile SSE of Glendora Ridge Motorway 622 Comment
  LA200607  Salvia spathacea W. R. Ernst; May 1947 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  LA33901  Salvia spathacea Henry J. Thompson; 1959-5-24 1998 Los Angeles Santa Monica Mountains, Tuna Canyon, 0.8 mi N of Coast Hwy 91 Comment
  RSA724464  Salvia spathacea K. Dobry 1992-6-6 d- 320 Los Angeles Santa Monica Mts. Cold Creek Cyn at Cold Creek Cyn Preserve. Comment
  UCR145196  Sambucus mexicana June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek Fire Station, Fenner Canyon 1616 Comment
  CAS-BOT-BC238729  Sambucus nigra subsp. caerulea Le Roy Abrams; E. A. McGregor 1908-7-5 680 Los Angeles Lone Pine Canyon, desert slopes of the San Gabriel Mountains 1066 Comment
  SFV3601  Sambucus nigra subsp. caerulea J. Pakcyk 1959-3-15 s. n. Los Angeles San Gabriel Mountains Angeles Crest. 610 Comment
  LA94337  Sambucus nigra subsp. canadensis A. M. Johnson; 1932-5-30 4117 Los Angeles SANTA MONICA MOUNTAINS, Brent's Mountain, Crag's Camp. Comment
  SD107915  Sanicula arguta Larry DeBuhr 1977-4-17 2582 a Los Angeles Santa Catalina Island, Ridge southeast of Shark Harbour Comment
  RSA158291  Sanicula arguta P. H. Raven 1962-4-9 17150 Los Angeles San Clemente Island: on sides of small arroyo above Wilson Cove 61 Comment
  RSA191003  Sanicula bipinnatifida R. F. Thorne, J. Henrickson 1963-5-5 32292 Los Angeles Cobal Canyon, Foothills of San Gabriel Mts., 4 miles N of Claremont. 518 Comment
  CATA1470  Sanicula crassicaulis Mark L. Hoefs, Robert F. Thorne 1996-4-6 2660 Los Angeles Santa Catalina Island: Upper Avalon Canyon, Hermit's Gulch Trail, where trail crosses stream 164 Comment
  SBBG131607  Sanicula crassicaulis S. A. Junak 1999-5-8 SCa 919 Los Angeles Fern Cyn, just upstream from fence crossing 140 Comment
  UCR266408  Sanicula crassicaulis D. E. Bramlet 2005-4-13 3796 Los Angeles Puente Hills, Powder Canyon 229 Comment
  RSA785451  Sapium sebiferum Kai T. Palenscar, Dwight Williams 2011-8-24 s.n. Los Angeles Whittier, San Gabriel River c. 300 m west of 605 Fwy overpass, NE of 60 Fwy, south side of river course. 71 Comment
  UCR150628  Sarcostemma cynanchoides Scott D. White 1997-5-8 5070 Los Angeles San Gabriel Mtns, San Gabriel River Canyon, N of Azusa. Canyon bottom and adjacent slopes below Morris Dam 305 Comment
  SEINET7122201  Sarcostemma cynanchoides G. B. Grant 972 Los Angeles Covina Comment
  RSA602474  Sarcostemma cynanchoides subsp. cynanchoides Scott D. White 1997-5-8 5070 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below Morris Dam. 244 Comment
  LA50744  Saxifraga californica A. M. Johnson; 1935-2-22 4548 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  LA202828  Schinus molle Louis Wheeler; 1932-10-22 1437 Los Angeles Liveoak Wash near La Verne 403 Comment
  POM186328  Schinus molle L. C. Wheeler 1932-10-22 1437 Los Angeles Liveoak wash near La Verne 403 Comment
  LA15579  Schoenoplectus americanus Louis Wheeler; 1932-9-19 1399 Los Angeles SANTA MONICA MOUNTAINS, Los Angeles River, at Los Feliz Blvd Bridge. 121 Comment
  CAS-BOT-BC111511  Schoenoplectus americanus Robert F. Thorne; C. W. Tilforth 1971-6-17 39875 Los Angeles 0.7 mi W of Soledad Station, Soledad Canyon, N slope of San Gabriel Mts. 609 Comment
  SEINET10320463  Schoenoplectus americanus G. B. Grant 4893 Los Angeles Los Angeles Comment
  RSA607620  Scirpus microcarpus L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: Oak Spring, Oak Spring Canyon, off Little Tujunga. 793 Comment
  RSA0105040  Scrophularia californica R. G. Swinney 2011-4-26 14470 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir. 378 Comment
  UC457252  Scrophularia californica Carl Epling 1931-4-25 Los Angeles Los Alisos Canyon; Santa Monica Mts Comment
  RSA660441  Scrophularia californica subsp. floribunda Orlando Mistretta 1992-6-17 580 Los Angeles Road 2N09 EA. Curtiss Haul Road, Cow Canyon. From 2nd drainage down to Cattle Canyon. Comment
  SD51712  Scrophularia villosa Robert Ornduff, R. L. Taylor 1960-3-19 5095 Los Angeles Golf Links Canyon, Santa Catalina Island Comment
  RSA616928  Scutellaria siphocampyloides Louis C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: East Fork of Alder Creek off Big Tujunga. 1494 Comment
  CAS-BOT-BC63899  Sedum spathulifolium Timothy S. Ross 1993-5-16 7147 Los Angeles Glendora Ridge Road on the divide between San Dimas Canyon and Cow Canyon. Mt. Baldy 7.5 USGS quad 1331 Comment
  SBBG62569  Senecio californicus R. Hoffmann 1931-5-3 Los Angeles lower Bouquet Cyn Comment
  RSA60203  Senecio californicus E. K. Balls, L. W. Lenz 1950-3-28 14455 Los Angeles 12 miles south of Castaic, hwy 99. 335 Comment
  RSA656222  Senecio douglasii Rick Larson 1975-11-10 32 Los Angeles Verdugo Mountains: La Crescenta Park at the bottom of La Crescenta Avenue, La Crescenta. 457 Comment
  CAS-BOT-BC333112  Senecio flaccidus var. douglasii I. M. Johnston 1917-8-13 1678 Los Angeles Prairie Fork of San Gabriel River, San Antonio Mountains 1524 Comment
  LA201862  Senecio flaccidus var. douglasii Arthur C. Gibson; 2003-8-31 4963 Los Angeles Santa Monica Mountains, Mulholland Highway Comment
  RSA602466  Senecio flaccidus var. douglasii Scott D. White 1997-5-15 5149 Los Angeles Big Tujunga Wash: Sunland-Tujunga area;alluvial fan below San Gabriel Mountains SW of I -210 freeway, E of Hansen Dam, and N of Wentworth St. 335 Comment
  UCR149892  Senecio flaccidus var. douglasii R. G. Swinney 1999-6-18 7321 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 Comment
  UCR149812  Senecio mikanioides Scott D. White 2004-4-23 10232 Los Angeles Los Angeles Basin, City of Pasadena. Arroyo Seco at La Loma Road bridge crossing. 213 Comment
  RSA356031  Senecio vulgaris R. F. Thorne 1975-9-4 47387 Los Angeles Santa Catalina Island: Fisherman's Cove; campus of USC Marine Science Center. Comment
  RSA240681  Senecio vulgaris Donald R. Bissing 1973-4-20 43 Los Angeles Evey Canyon, San Gabriel Mountains. Growing along roadside 0.4 mile from mouth of canyon. 731 Comment
  RSA658983  Sequoia sempervirens Paul M. Inman 1983-5-8 50883 -12 Los Angeles Big Santa Anita Canyon in the Angeles National forest, San Gabriel mountains, about 1 miles north of Arcadia, Ca. ca. 100 yards below the weir at Hoegee's Camp. Comment
  RSA483322  Setaria parviflora Anstruther Davidson 1917-08 3261 Los Angeles Los Angeles Comment
  SBBG98244  Setaria viridis Anstruther Davidson -Jul-1917 Los Angeles Los Angeles Comment
  CATA2995  Sibara filifolia Peter J. Dixon 2015-2-27 027 Los Angeles Santa Catalina Island: Wild Boar Gully, south ridge population (Black Ridge). 160m north of terminus of Black Ridge rd. 560m south of Wild Boar Gully Rd. 222 Comment
  SBBG112957  Silene antirrhina S. A. Junak 1998-6-13 SCa 739 Los Angeles just W of beach at Little Harbor 48 Comment
  CATA149  Silene gallica Mark L. Hoefs, A. Douglas Propst 1973-3-14 113 Los Angeles Santa Catalina Island: Ridge between Moonstone and White's Coves 36 Comment
  RSA177849  Silene gallica Percy C. Everett 1965-5-12 24637 Los Angeles Santa Catalina Island, Bulrush Canyon. 244 Comment
  RSA526554  Silene gallica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-7 4240 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  SBBG95430  Silene gallica M. B. Dunkle 1928-3-17 1738 Los Angeles Howland's Landing Comment
  UCR220377  Silene gallica R. G. Swinney 2009-4-15 10342 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, north of Azusa, El Encanto Azusa River Wilderness Park 296 Comment
  RSA534054  Silene gallica Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5327 Los Angeles San Clemente Island: westerly fork of Near Death Canyon, draining to Mosquito Cove (drainage beginning 800ft N of Rest (1336 ) marker, 1800ft SE of Malo Knoll (1396 )) Beginning of drainage. 386 Comment
  RSA762297  Silene gallica Orlando Mistretta, Christine Mistretta 2008-5-6 2663 Los Angeles Southern California Edison transmission line corridor (Segment 11, Impact Areas 14, 15, 16 (Gould Subtation) per TRTP Survey 2008), in the vicinity of Arroyo Seco Canyon. 576 Comment
  SD86335  Silene gallica R. Mitchel Beauchamp, M. Douglas 1972-3-24 3228 Los Angeles San Clemente Island; slope south of Eel Point. Comment
  SEINET8879633  Silene laciniata G. B. Grant 1904-1 1205 Los Angeles Pasadena. Comment
  CHSC95857  Silene laciniata subsp. laciniata LeRoy Gross; M. Denslow, W. Hogshead, S. Swartzentruber 2003-6-17 1047 Los Angeles Transverse Ranges; Verdugo Mountains region: South side of mountains: Brand Canyon, above the large waterfall, where the canyon forks off. UTM Zone 11; 3784447N 0383368E. A smaller side canyon that branches off to the east of the main canyon. Side canyon narrows quickly to a bedrock waterfall. (or seep). 519 Comment
  RSA477932  Silene laciniata subsp. major Fordyce Grinnell Jr. 1910-6-22 1931 Los Angeles Switzers trail 1066 Comment
  RSA717944  Silene laciniata subsp. major R. G. Swinney, D. W. Larson 1996-8-7 5236 Los Angeles San Dimas Experimental Forest, northern 2/3 of west half of Brown s Flat. 1293 Comment
  UC1175001  Silene laciniata subsp. major E. K. Balls and P. C. Everett 1959-6-29 23866 Los Angeles Stokes Canyon Santa Monica Mts., Stokes Canyon 152 Comment
  UC852887  Silene laciniata subsp. major Ira W. Clokey, B. Templeton May 1929 4544 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon 500 Comment
  UCR209976  Silene verecunda R. G. Swinney 2008-7-25 9310 Los Angeles San Gabriel Mtns., Twin Peaks, west peak 2316 Comment
  UCR223656  Silene verecunda R. G. Swinney 2009-6-24 11253 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  RSA225836  Silene verecunda subsp. platyota R. F. Thorne, C. W. Tilforth, John Dourley 1971-7-27 41076 Los Angeles [Unspecified] Comment
  CDA20717  Sinapis arvensis Hartman 2006-7-26 PDR 1353126 Los Angeles E. Spring St., Long Beach, CA. Comment
  RSA0093465  Sisymbrium altissimum Richard G. Swinney 2011-6-7 15059 Los Angeles San Gabriel Mountains: Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy.2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek. 1573 Comment
  RSA724768  Sisymbrium irio K. Dobry 1992-4-14 d- 363 Los Angeles Camp Shalom. West Santa Monica Mts along Arroyo Sequit. 5 mi No of Pacific Coast Hwy. Comment
  UC284766  Sisymbrium irio P. A. Munz 1923-3-10 6582 Los Angeles s of Santa Fe (Claremont); Claremont 350 Comment
  UCR260353  Sisymbrium irio R. G. Swinney 2010-5-4 12546 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  RSA675001  Sisymbrium orientale LeRoy Gross 2003-2-22 731 Los Angeles South side; A short distance up mouth of Brand Canyon, south next to Brand Canyon Cemetery. North of the Debris Basin. 287 Comment
  UCR186751  Sisymbrium orientale T. B. Salvato, Sandra Murcia 2007-3-28 2020 Los Angeles San Gabriel Mountains, Angeles National Forest, lower Santa Anita Canyon at the upper end of Santa Anita Reservoir 427 Comment
  UCR205236  Sisymbrium orientale R. G. Swinney 2008-3-26 8568 Los Angeles San Gabriel Mtns., San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  RSA658402  Sisymbrium orientale R. Aguayo 1992-4-24 11 Los Angeles 13.5 mi. north on interstate 210 in Azusa on State Hwy. 39 to gated road along West Fk. San Gabriel Riv. 2.8 mi. west of gate, roadside 884 Comment
  UCR138528  Sisyrinchium bellum L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mtns., east side of Little Tujunga Canyon 549 Comment
  SEINET12045592  Sisyrinchium bellum C. L. Abbott 1926-1 s.n. Los Angeles Los Angeles Comment
  RSA12646  Solanum americanum Carl B. Wolf 1934-8-16 6053 Los Angeles peat land on Bryant Ranch east of Long Beach. 700 ft. east of center of sect. 34; 950 ft. So. of No. line of Same. 6 Comment
  CHSC93234  Solanum douglasii John Dittes 2005-11-26 1301 Los Angeles Western Transverse Ranges; San Gabriel Mtns.; Big Tujunga Cyn; ca. 2.7 air-miles SE of Mt. McKinley, ca. 3.8 air-miles W of Big Tujunga Reservoir, ca. 3.6 air-miles NE of Mt. Gleason Jr. Highschool; wash of Big Tujunga Creek near Delta Flat Picnic Area. 512 Comment
  RSA581009  Solanum douglasii Jamie Kneitel 1994-4-28 33 Los Angeles San Gabriel Mountains: Dexter Park 610 Comment
  UC884851  Solanum douglasii Ezra C. Knopf 1922-1-24 278 Los Angeles Santa Catalina Island, Avalon Canyon Avalon Canyon; Santa Catalina Island, Avalon Canyon Comment
  UCR231785  Solanum douglasii Darren T. Hasegawa 2007-4-8 s.n. Los Angeles San Gabriel Mtns, Eaton Canyon Park, Angeles National Forest, c. 2 mi. north of I-210 366 Comment
  UCR255823  Solanum douglasii R. G. Swinney 2010-5-4 12507 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
  UCR276733  Solanum douglasii R. G. Swinney 2010-8-11 13512 Los Angeles San Gabriel Mountains, San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road 595 Comment
  POM228350  Solanum elaeagnifolium Joseph A. Ewan 1932-8-25 s.n. Los Angeles Abundant on hard adobe ground of vacant lots over about a ten-acre area, West Los Angeles Comment
  RSA427399  Solanum umbelliferum Howard Mullins 1931-4-27 s.n. Los Angeles Griffith Park. Comment
  UC1125067  Solanum umbelliferum P. L. Johannsen 1934-1-12 224 Los Angeles Puerco Canyon 304 Comment
  UCR223767  Solanum umbelliferum R. G. Swinney 2009-6-17 11186 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  POM339143  Solanum umbelliferum F. R. Fosberg 1932-5-19 8186 Los Angeles Alluvial ban at mouth of San Dimas Blvd. Comment
  RSA250437  Solanum umbelliferum Robert F. Thorne, R. Carolin, Christopher Davidson 1967-3-23 41608 Los Angeles San Gabriel Mts., Angeles National Forest: San Gabriel Canyon near Coldbrook. 1067 Comment
  RSA608499  Solanum umbelliferum Louis C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mountains: Juniper Hills Road, Juniper Hills, just north of road. 1372 Comment
  RSA188387  Solanum wallacei Robert F. Thorne, Percy C. Everett 1965-6-23 34995 Los Angeles Santa Catalina Island. Near mouth of Hamilton Canyon NW of Avalon. 23 Comment
  SBBG32153  Solanum wallacei R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -228 Los Angeles lower Middle Ranch Cyn crk Comment
  NY820404  Solanum xanti T. S. Ross 1994-5-10 7718 Los Angeles Liebre Mountains. Warm Springs Canyon: canyon bottom and adjacent northerly slopes at the confluence of a blueline drainage NNE off the face of Warm Springs Mtn.; ca. 1250 m. WNW from the canyon's effluence into Elizabeth Lake Canyon 2190 Comment
  CLARK-A1528-4379  Solanum xanti var. intermedium John C. Roos 1937-6-29 1485 Los Angeles Malibu Beach Comment
  RSA547477  Solidago californica Timothy S. Ross, Orlando Mistretta 1992-7-24 6764 Los Angeles Vicinity of Strawberry Spring, 76 deg. ENE, 900 m distant from Strawberry Peak summit 1460 Comment
  SFV4113  Solidago confinis M. L. Vincent 1962-10-4 295 Los Angeles San Gabriel Mountains Valyermo Road 0.25 miles west of Valyermo. 1110 Comment
  UCR95541  Solidago confinis Steve Boyd, L. Raz 1996-9-24 8936 Los Angeles Liebre Mtns, Knapp Ranch area at upper end of Castaic Creek drainage in broad valley at head of Cienaga Canyon, south of Liebre Mtn. 930 Comment
  RSA3479  Sonchus oleraceus C. B. Wolf 1932-5-9 3422 Los Angeles Santa Catalina Island; Avalon. 8 Comment
  SBBG95256  Sonchus oleraceus M. B. Dunkle 1928-4-11 1854 Los Angeles near isthmus 15 Comment
  UCR189736  Sonchus oleraceus R. G. Swinney 1998-7-10 6379 Los Angeles San Gabriel Mtns., Prairie Fork, near Cabin Flats Campground 1622 Comment
  UCR150959  Sorghum bicolor Sandra L. Leatherman, Brian Daniels 1998-10-27 55 Los Angeles Transverse Ranges; Liebre Mtns, Bouquet Canyon: adjacent to Bouquet Canyon Road, south of Vasquez Canyon Road and north of Esguerra Road 488 Comment
  HSC10984  Sorghum halepense C. E. Fellows 1965-12-11 180 Los Angeles City of Reseda, Reseda Blvd. at Strathern St. Comment
  POM352405  Sorghum halepense Bonnie C. Templeton 1934-10-13 4805 Los Angeles Los Angeles River Comment
  RSA651606  Sorghum halepense R. Danborn 1948-2-20 s.n. Los Angeles Claremont city limits. Comment
  LA33432  Sorghum halepense Peter H. Raven; 1959-3-1 13817 Los Angeles SANTA MONICA MOUNTAINS, Vermont Canyon, Griffith Park 243 Comment
  RSA738068  Spartium James W. Raymond s.n. Los Angeles Brand Park Comment
  RSA0080427  Spartium junceum R. G. Swinney 2011-6-29 15371 Los Angeles Mill Creek, from 50 to 300 meters downstream (south) from Monte Cristo Campground. 1082 Comment
  RSA0097890  Spergularia bocconi LeRoy Gross 2007-4-30 2663 Los Angeles Base of northern side of the range. Behind the Foothill Athletic Club, at the southern end of Lowell Ave. 468 Comment
  IRVC26321  Spergularia bocconii A. C. Sanders, Andy Thompson 2003-4-15 26004 Los Angeles Newhall Ranch, south edge of Magic Mountain theme park, 0-400 ft. from fence NE end of Santa Susana Mtns. 366 Comment
  RSA185751  Spergularia macrotheca I. L. Wiggins 1949-2-21 11958 Los Angeles San Clemente Island: Wilson s Cove Comment
  UCR181676  Spergularia marina R. G. Swinney 1993-6-14 2257 Los Angeles San Gabriel Mtns., Glendora, Little Dalton Debris Basin 366 Comment
  SBBG125310  Sphaeropteris cooperi J. R. Clark with T. Dvorak, C. de la Rosa, S. Ratay, T. M. Summers 2011-6-23 1020 Los Angeles Twin Rocks 218 Comment
  SEINET3150442  Sphaerostigma viridescens L. Abrams 1902-6-8 2495 Los Angeles Playa del Rey Comment
  RSA712471  Sporobolus airoides LeRoy Gross 2005-5-19 2290 Los Angeles South of Ave A (Kern County boundary) east of the #14 freeway. South of the city of Rosamond. between 20th Street West and Sierra Highway., Started at Ave A, Near 34.820450N, 118.16535W then walked south to 34.81703N, 118.16403W. 715 Comment
  RSA713939  Stachys albens Scott D. White, Andrea Warniment 2006-7-18 11630 Los Angeles SE Tehachapi Mtns: Gorman area, riparian zone along Gorman Creek, NE of the I-5 Freeway. 1006 Comment
  RSA446647  Stachys bullata Albert J. Perkins 1936-4-21 147 Los Angeles Santa Monica Mountains. Comment
  SDSU7934  Stachys bullata unknown 1947-3-22 Los Angeles Topango canyon, about one mile form ocean. Comment
  LA52384  Stachys bullata L. Larson; 1928-4-21 105 Los Angeles Comment
  RSA446697  Stachys rigida subsp. rigida Gus Gluechert 1937-5-3 s.n. Los Angeles Culver City. Comment
  UCSB23655  Stanleya pinnata McPherson, James 1966-7-12 Los Angeles South side of Elizabeth Tabe Road, 2 miles east of its junction with Goode Hill Road, 7 miles west of Palmdale 914 Comment
  LA32111  Stebbinsoseris heterocarpa Henry J. Thompson; 1959-4-19 1957 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  SBBG112779  Stebbinsoseris heterocarpa S. A. Junak 1998-4-4 SCa 526 Los Angeles Little Ripper's Cyn, just inland from beach 36 Comment
  SBBG124484  Stebbinsoseris heterocarpa R. Burgess, C. Davis, B. Meiners, P. Munro 1999-4-17 3264 Los Angeles Canton Cyn, NE of Lake Piru, N side of Canton Crk, above second narrows 335 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
  CAS-BOT-BC374813  Stebbinsoseris heterocarpa Louis C. Wheeler 1934-5-1 2578 Los Angeles La Verne 304 Comment
  RSA0087863  Stellaria media R. G. Swinney 2010-6-21 13284 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  RSA202452  Stellaria media R. L. Armacost 1963-5-7 1621 Los Angeles Tapia Park, Santa Monica. Comment
  SBBG31038  Stellaria media R. F. Thorne 1966-4-28 Los Angeles Renton Mine Rd 213 Comment
  RSA29635  Stellaria media Joseph A. Ewan 1933-06 10798 Los Angeles Abundant in moist soil of Salix thickets, along creek, Verdugo Canyon Comment
  UC853212  Stellaria nitens Ira W. Clokey, B. Templeton 1929-5-1 4462 Los Angeles Mandeville Canyon; Santa Monica Mountains 450 Comment
  SD48936  Stephanomeria diegensis Reid Moran 1958-9-15 6839 Los Angeles San Clemente Island, Wilson Cove. 49 Comment
  SD262215  Stephanomeria parryi R. G. Swinney 2014-4-24 16230 Los Angeles San Gabriel Mountains/Mojave Desert: SE of Valyermo, Shouemaker Cyn., S-facing slope on south side of Big Pines Hwy at 2nd horseshoe curbe, 0.7 mile ENE of jct. of Big Rock Creek Rd. (Valyermo 7.5'Q) 1244 Comment
  UCR138850  Stephanomeria parryi L. C. Wheeler 1968-5-27 s.n. Los Angeles San Gabriel Mtns., Alimony Ridge, at head of Brainard Canyon 1402 Comment
  POM122550  Stephanomeria pauciflora Marcus E. Jones 1924-9-14 s.n. Los Angeles Lancaster, S.W. Mohave Desert Comment
  RSA94981  Stephanomeria spinosa F. W. Peirson 1923-8-31 4007 Los Angeles summit of Blue ridge, 3 miles east of Big Pines, Swartout Valley 2529 Comment
  UCR45022  Stephanomeria virgata subsp. pleurocarpa A. C. Sanders 1986-7-30 6828 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
  UCR259125  Stipa coronata var. coronata R. G. Swinney 2010-5-4 12522 Los Angeles San Gabriel Mountains, north of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park 457 Comment
  CATA478  Stipa pulchra Sara L. Crockett, Mark Hoefs, Steven Junak, Janet Takara 1997-3-28 620 Los Angeles Santa Catalina Island: End of Cat Harbor Road, on NE side of Cat Harbor 74 Comment
  UCR270029  Stipa speciosa R. G. Swinney 2010-5-12 12731 Los Angeles San Gabriel Mountains, Barrell Springs Road at jct. with 42nd St. East, on SW side of road from 30 to 150 meters west of 42nd, NE side of Palmdale Ditch, San Andreas Rift Zone 921 Comment
  CATA3514  Stipa tenuissima Julia Parish 2017-12-30 047 Los Angeles Santa Catalina Island: Avalon; Baywatch landscaping 12 Comment
  RSA777368  Stylocline gnaphaloides Orlando Mistretta, Christine Mistretta 2010-5-19 5134 Los Angeles San Gabriel Mountains region: Aliso Canyon; approximately 1.75 mile NW of the intersection of Aliso Cyn and the Angeles Forest Hwy. 1103 Comment
  RSA438599  Suaeda taxifolia E. S. Spalding 1923-6-27 s.n. Los Angeles Pt. Firmin [Fermin]. Comment
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Dec 23 2014
  UCR119047  Suaeda taxifolia Jeremiah George 2001-7-17 s.n. Los Angeles South Coastal Plains Region, Palos Verdes Peninsula, Rancho Palos Verdes, Ocean Trails development, between Palos Verdes Dr. South and the ocean 3 Comment
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Aug 9 2011
  UC1046630  Swertia neglecta Victor Duran 1933-7-8 3501 Los Angeles Horse Flats San Gabriel Mountains 1676 Comment
  CAS-BOT-BC234670  Symphoricarpos mollis P. A. Munz; R. D. Harwood 1920-5-17 3988 Los Angeles Topango Canon [Topanga Canyon], Santa Monica Mtns 152 Comment
  SBBG126977  Symphyotrichum greatae A. Parikh, N. Gale 2011-7-18 3566 Los Angeles West Fork San Gabriel River, 3.9 km W of St Hwy 39; San Gabriel Mtns 537 Comment
  UCR83675  Symphyotrichum subulatum David Charlton 1992-1 s.n. Los Angeles Mojave Desert, Edwards Air Force Base, South Base Well Fields 734 Comment
  RSA762438  Symphyotrichum subulatum var. elongatum R. G. Swinney 2008-11-1 9755 Los Angeles Big Dalton Canyon Debris Basin, Glendora 335 Comment
  CAS-BOT-BC324216  Syntrichopappus lemmonii L. R. Abrams 1927-4-30 11703 Los Angeles Head of Antelope Valley Comment
  SBBG31273  Taraxacum officinale R. F. Thorne 1966-9-15 36698 Los Angeles Middle Ranch, Middle Ranch Cyn 213 Comment
  UCR19570  Tauschia arguta Edwin Kline 1925-4-26 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco Comment
  POM3334  Tauschia parishii I. M. Johnston 1917-6-20 1168 Los Angeles Baldy Lookout of USFS. 2134 Comment
  SBBG59673  Tauschia parishii Anstruther Davidson -Jul-1893 Los Angeles Wilson's Peak Comment
  UC21442  Tauschia parishii A. J. McClatchie 1893-6-28 477 Los Angeles near Pasadena Mt. Lowe; , near Pasadena 1828 Comment
  UCSC002894  Tauschia parishii Peter Kamb 1947-6-1 546 Los Angeles North slope of Mount Dissapointment, San Gabriel Mountains 1463 Comment
  CAS-BOT-BC329056  Tetradymia canescens Tim Ross 1990-8-17 3188 Los Angeles San Gabriel Mountains, Blue Ridge, ca. 160 m WSW of Guffy Camp, near the Forest Service gate on the road that drops to Prairie Fork. 2499 Comment
  JEPS14052  Tetradymia canescens Rimo Bacigalupi with Leroy Custer 1952-8-9 3905 Los Angeles directly s Wrightwood (and above Swartout Valley, near Guffey Public Camp); San Gabriel Mountains, Summit of Blue Ridge 2438 Comment
  UCD136827  Tetradymia canescens Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Table Mountain Campground. 2194 Comment
  POM9726  Tetradymia comosa P. A. Munz 1921-3-28 4413 Los Angeles San Dimas Canyon. 549 Comment
  CAS-BOT-BC399785  Thalictrum polycarpum Carl Epling 1931-5-2 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon Comment
  CAS-BOT-BC67015  Thysanocarpus laciniatus Timothy S. Ross; Darin Banks 1994-4-12 7472 Los Angeles Liebre Mountains. San Francisquito Canyon. Westerly draw draining from ridge which divides S. Fr. Canyon from Dry Canyon 542 Comment
  RSA428308  Thysanocarpus laciniatus F. R. Fosberg 1931-3-30 4309 Los Angeles Hamilton Canyon, Santa Catalina Island 20 Comment
  RSA733761  Thysanocarpus laciniatus R. G. Swinney 2000-6-19 7823 Los Angeles San Gabriel Mtns.: Pine Mountain, north of Azusa. 1384 Comment
  UC11007  Thysanocarpus laciniatus T. S. Brandegee May 1889 Los Angeles Santa Catalina Island Comment
  UCR265159  Thysanocarpus laciniatus Mark A. Elvin, Tarja Sagar 2009-3-27 6216 Los Angeles Transverse Ranges: Santa Monica Mountains, Malibu Creek State Park, Lost Cabin Trail near east end of trail, c. 150 m west of cabin site 244 Comment
  UCR71255  Thysanocarpus laciniatus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4301 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, first canyon south of Bryce Canyon Comment
  RSA0039204  Thysanocarpus laciniatus Timothy S. Ross 1991-3-24 4295 Los Angeles Whittier Hills (Puente Hills, pro parte): Ridge and steep westerly slope above small canyon that drains northward to Turnbull Canyon from NW side of Workman Hill. 360 Comment
  SEINET8727864 Image available Thysanocarpus laciniatus F. R. Fosberg 1931-1 4309 Los Angeles Hamilton Canyon, Santa Catalina Island South wall Upper Sonoram Zone. 20 Comment
  CAS-BOT-BC225130  Trichostema lanatum Geo. B. Grant No date on label. s.n. Los Angeles Laurel Canyon Comment
  UC1871125  Trichostema lanatum T. S. Ross 1993-5-14 7139 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mountains: ca 720 meters SW of Wilson Canyon Saddle and 260 meters SE of knoll-top Radio Facility, on E side of ridge above Wilson Canyon Road; San Fernando 7.5' USGS quad; R15W T3N, NW/4 SW/4 SW/4 SE/4 sect 9; elev. ca 3420 ... 1043 Comment
  UCD125830  Trichostema lanatum Daryl Koutnik 1978-6-25 556 Los Angeles One mile south of Seminole Hot Springs on Mulholland Highway. 335 Comment
  SFV12533  Trichostema lanceolatum J. W. Dole 1980-9-5 s. n. Los Angeles Santa Susana Mountains Santa Susana Mountains. Comment
  UCR108405  Trichostema lanceolatum L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mtns., Sand Canyon at the mouth of Reynier Canyon 564 Comment
  POM2625  Trifolium albopurpureum E. L. Brown s.n. Los Angeles Elysian Park, Pasadena Comment
  SBBG13628  Trifolium depauperatum P. H. Raven 1962-4-20 17194 Los Angeles summit of Thirst 579 Comment
  UC631220  Trifolium depauperatum var. amplectens P. B. Kennedy 1928-3-28 10005 Los Angeles above and se Avalon; Santa Catalina Island Comment
  UCD108525  Trifolium depauperatum var. truncatum Blanche Trask 1901-3-1 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  POM1944  Trifolium depauperatum var. truncatum I. M. Johnston s.n. Los Angeles [Illegible locality.] Comment
  RSA0093140  Trifolium gracilentum Steve Boyd, Gary D. Wallace 2011-4-14 12307 Los Angeles Transverse Ranges; Liebre/San Gabriel Mountains region: Acton Wash ca. 3km east of junction of Soledad Canyon Road and Crown Valley Road. 829 Comment
  RSA155797  Trifolium gracilentum var. palmeri P. H. Raven 1962-4-11 17270 Los Angeles Dune on coast north of a point due west of Wall 2, San Clemente Island. 9 Comment
  UCR127153  Trifolium hirtum A. C. Sanders, Mark A. Elvin 2003-6-18 26951 Los Angeles Santa Susana Mountains, Western Transverse Range, around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon 1037 Comment
  UC631577  Trifolium microcephalum P. B. Kennedy 1907-4-21 172 Los Angeles Avalon Santa Catalina Island Comment
  UCR281347  Trifolium microcephalum R. G. Swinney 2014-5-27 16681 Los Angeles San Gabriel Mountains, Glendora, Glendora Peak, 0.74 miles ENE (34 deg. ) of Azusa Pk., south of Glendora Ridge Motorway 791 Comment
  UCR65233  Trifolium microcephalum F. R. Fosberg 1931-3-24 S- 04342 Los Angeles Channel Islands, Hamilton's Canyon near Avalon, Santa Catalina Island 80 Comment
  PASA243  Trifolium monanthum Margaret Stason 1931-6-13 Los Angeles Buckhorn Flats, San Gabriel Mts. Comment
  RSA0110594  Trifolium monanthum var. monanthum Richard G. Swinney 2010-9-30 13901 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
  SD181504  Trifolium obtusiflorum LeRoy Gross, Michael Denslow,B. Hogshead, Sarah Swartzentruber 2003-6-17 1044 Los Angeles Transverse Ranges, Verdugo Mtns, south side of mtns, Brand Cyn, below large waterfall, where cyn forks off; Burbank 7.5' quad.; area burned last year. 519 Comment
  UC1130182  Trifolium obtusiflorum Louis C. Wheeler 1936-6-25 368 Los Angeles Tanbark Pomona quad 792 Comment
  UCR142783  Trifolium obtusiflorum L. C. Wheeler 1936-6-25 4189 Los Angeles Transverse Ranges; San Gabriel Mtns., Tanbark Flats, San Dimas Canyon 854 Comment
  SBBG113133  Trifolium palmeri S. A. Junak with M. L. Hoefs, S. Crockett 1997-3-27 SCa 381 Los Angeles top of coastal bluffs above W end of beach at Little Harbor 54 Comment
  POM220635  Trifolium willdenovii Louis C. Wheeler 1933-4-7 1623 Los Angeles Temple City. 107 Comment
  POM349542  Trifolium willdenovii Emma Robinson 1884-5-3 s.n. Los Angeles Near USC Campus. Comment
  RSA545191  Trifolium willdenovii Tim S. Ross 1992-4-14 6170 Los Angeles San Clemente Island, central E side of island; ca 100m N of where the Nanny Canyon drainage area meets the sea 15 Comment
  RSA230227  Triteleia dudleyi Robert F. Thorne 1969-7-2 38313 Los Angeles SE of Angeles Crest Hwy. 3.2 miles WSW of Cloudburst summit 1951 Comment
  RSA0113428  Tropidocarpum gracile LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7531 Los Angeles Arrastre Canyon. Started near mouth of canyon, near 34.44397N 118.20032W. Ended on top of a small knoll, near 34.43011N 118.18667W. 804 Comment
  UC311258  Tropidocarpum gracile Philip A. Munz 1926-4-4 9991 Los Angeles gentle slopes 5 mi n Elizabeth Lake Comment
  LA205678  Turricula parryi Joseph Andorfer Ewan; 1929-7-9 2067 Los Angeles San Gabriel Mountains, between Mount Wilcon and Opid's Camp Comment
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Dec 18 2014
  UC1595317  Typha latifolia Tim Ross and Annette H. Ross 1991-7-29 5722 Los Angeles n-most point Puente Hills (n base of Elephant Hill, w Pomona); San Dimas Quad., Pomona, n point Puente Hills, Elephant Hill 231 Comment
  RSA651614  Typha latifolia Harold E. Fleming s.n. Los Angeles Bouquet Canyon, Angeles National Forest. 610 Comment
  CAS-BOT-BC73688  Ulmus parvifolia John Thomas Howell 1964-10-19 40965 Los Angeles San Gabriel Blvd. at Colorado Blvd., Pasadena. Comment
  CAS-BOT-BC91136  Umbellularia californica F. Grinnell Jr. 1908-10-8 s.n. Los Angeles San Gabriel Mountains. Switzer Camp. 914 Comment
  CAS-BOT-BC91140  Umbellularia californica Greene 1903-9-20 3686 Los Angeles San Antonio Canyon. Comment
  RSA446350  Umbellularia californica Ora M. Clark 1928-10-21 k 2 k9 Los Angeles Topango [Topanga] Canyon. Comment
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May 29 2014
  UCR220178  Umbellularia californica R. G. Swinney, Jane Strong 2009-4-7 10309 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Antonio Canyon, 2.4 miles north of Shinn Rd. 1073 Comment
  CATA227  Uropappus lindleyi Mark L. Hoefs, A. Douglas Propst 1973-5-4 217 Los Angeles Santa Catalina Island: Middle of Middle Ranch Canyon, north exposure 243 Comment
  SBBG14242  Uropappus lindleyi M. A. Piehl 1962-6-10 62382 Los Angeles cyn just E of Thirst 304 Comment
  RSA0056539  Uropappus lindleyi Orlando Mistretta 1989-5-15 s.n. Los Angeles Channel Islands; San Clemente Island: Bryce Canyon. Comment
  RSA0081634  Urtica dioica subsp. holosericea R. G. Swinney 2010-9-9 13748 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
  SFV6940  Urtica dioica subsp. holosericea T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-8-31 635 Los Angeles Santa Monica Mountains Malibu Creek at Tapia Park. 137 Comment
  RSA649005  Urtica dioica subsp. holosericea Scott Lowe 1991-5-20 40 Los Angeles San Gabriel River channel, about 100 m. north of San Gabriel River Parkway bridge, city of Pico Rivera. Comment
  UC168872  Urtica urens Geo. B. Grant 1904-5-10 E 1337 Los Angeles Pasadena Comment
  SEINET4118148  Urtica urens J. Mygatt, J. Takara 1997-1 M- 97 -281 Los Angeles Catalina Island, Bulrush Canyon. Comment
  LA200276  Venegasia carpesioides A. M. Johnson; 1934-4-20 4422 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  RSA603410  Venegasia carpesioides L. C. Wheeler 1936-6-8 4142 Los Angeles Big Dalton Canyon, 1/4 mile above dam, San Gabriel Mountains. 549 Comment
  SEINET3150248  Venegasia carpesioides L. Abrams 1902-6-15 2542 Los Angeles sepulveda Canyon, Santa Monica Mts. Comment
  UC36695  Venegasia carpesioides Dr. A. Davidson 1895-1 Los Angeles Laurel Canyon Comment
  UC485593  Venegasia carpesioides Crawford and Hiatt 1916-3-28 702 Los Angeles Santa Monica Mts. Santa Monica Mts. (Southern California) Comment
  UCR266343  Venegasia carpesioides D. E. Bramlet 1999-6-17 2810 Los Angeles Western Transverse Range, Agoura Hills, Yerba Buena Elementary School proposed site (subsequently built), 34 acres, end of Reyes Adobe Rd. near Ventura Co. line 317 Comment
  RSA427262  Verbascum virgatum Freda Detmers 1931-5-10 s.n. Los Angeles Along Highland Ave. Comment
  LA99337  Verbena lasiostachys var. lasiostachys Jonathan Sauer; Stephanie Hedges 1978-5-27 6040 Los Angeles SANTA MONICA MOUNTAINS, Jones Sepulveda Canyon Reserve, above Chalon Rd between Mount Saint Mary's College and San Diego Frwy. 192 Comment
  RSA127784  Verbena lasiostachys var. lasiostachys Peter H. Raven, Henry J. Thompson 1959-6-4 14348 Los Angeles Point Dume. 15 Comment
  POM246829  Verbena lasiostachys var. scabrida F. R. Fosberg 1931-7-14 S 5412 Los Angeles Hamilton Canyon, Santa Catalina Island. Comment
  PASA1039  Veronica arvensis Frank W. Peirson 1919-4-25 Los Angeles 1077 New York Avenue, Altadena Comment
  POM145685  Vicia americana L. R. Abrams 1927-4-30 11714 Los Angeles Head of Antelope Valley. Comment
  UCR150666  Viola pedunculata James Henrickson 1985-3-30 19761 Los Angeles Western Transverse Range, c. 3 air miles NNW of Newhall in proposed North Hills development just north of Santa Clara River and just east of San Francisquito Creek 381 Comment
  SD85085  Viola pedunculata E. R. Blakley 1963-4-7 5526 Los Angeles north slope, between Haypress and Gallagher Canyon's Head 410 Comment
  RSA597264  Viola purpurea subsp. mohavensis Tim S. Ross, Steve D. Boyd 1990-6-18 3523 Los Angeles Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages. 1744 Comment
  RSA77722  Viola purpurea subsp. mohavensis F. W. Peirson 1921-6-15 2491 Los Angeles Trail from Pine Flats to Chilao. 1677 Comment
  RSA649657  Viola purpurea subsp. mohavensis Michael Horn 1991-5-3 23 Los Angeles San Gabriel Mountains. Take dirt road 4N06 2 1/2 miles north of Hwy CN4 to reservoir. East 1/8 mile on unnamed dirt road to site. 1463 Comment
  RSA592847  Vulpia microstachys var. ciliata Steve Boyd, Orlando Mistretta 1996-5-1 8745 B Los Angeles Liebre Mountains, Sawmill Mountain, upper slopes and summit at head of Heryford Canyon, east of the junction of 7N23 and 7N08. 1524 Comment
  RSA608912  Vulpia microstachys var. ciliata L. C. Wheeler 1968-5-12 s.n. Los Angeles Divide between Punchbowl Canyon and Watkins Creek at end of road and beginning of Burkhart Trail. 1585 Comment
  RSA748902  Vulpia microstachys var. microstachys R. G. Swinney 2008-5-13 8867 Los Angeles Devils Punchbowl Co. Park, Holcomb Canyon at junction with South Fork Trail 1390 Comment
  RSA582065  Vulpia microstachys var. pauciflora Timothy S. Ross 1993-4-22 6902 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft.); 750 meters due N of Cactus Peak summit; northerly slope draining to middle Bullrush Canyon. 320 Comment
  CAS-BOT-BC184788  Vulpia myuros subsp. megalura Carl Epling 1931-4-25 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon Comment
  POM352986  Vulpia myuros var. hirsuta M. B. Dunkle 1939-4-6 7297 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  CAS-BOT-BC178569  Vulpia myuros var. myuros Fay A. Mac Fadden 1935-3-12 13505 Los Angeles San Gabriel Canyon Comment
  RSA585069  Vulpia octoflora var. hirtella L. C. Wheeler 1934-4-27 2566 Los Angeles Marshall Creek (La Verne Quad.) 488 Comment
  RSA729560  Woodwardia fimbriata R. G. Swinney 1999-7-28 7598 Los Angeles East Fork San Gabriel River Canyon, lust south of confluence of Clark Gulch. Riparian zone with Alnus rhombifolia. 963 Comment
  UC54178  Xanthium spinosum Ernest Braunton 1902-11-8 731 Los Angeles Sherman Comment
  RSA593421  Xanthium strumarium Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz 1996-7-11 8899 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  UC1070518  Xanthium strumarium Jerome S. Horton 1937-9-21 494 Los Angeles Dalton Canyon Dam Pomona Quad. 457 Comment
  RSA188701  Xylococcus bicolor R. F. Thorne 1966-4-7 35969 Los Angeles Santa Catalina Island: NW-facing bluff below road in small canyon between Howland Landing and Cherry Valley. 46 Comment
  RSA198819  Xylococcus bicolor R. F. Thorne, D. Propst 1968-5-27 37636 Los Angeles Santa Catalina Island, lower end of Middle Ranch Canyon Comment
  RSA470460  Yabea microcarpa F. R. Fosberg 1931-3-23 S- 4339 Los Angeles Hamilton Canyon, near Avalon, Santa Catalina Island. 25 Comment
  POM122383  Yucca whipplei var. whipplei Marcus E. Jones 1926-6-7 s.n. Los Angeles Ridge Route. Comment
  RSA378350  Yucca whipplei var. whipplei T. W. Minthorn 1925-5-30 s.n. Los Angeles Near Palmdale. Comment
  RSA0028842  Zannichellia palustris L. C. Wheeler 1966-11-23 9155 Los Angeles San Gabriel Mountains. Delta at head of Morris Reservoir, San Gabriel Canyon. Comment
  UCD121489  Zeltnera venusta Louis C. Wheeler 1967-6-16 9857 Los Angeles San Gabriel Mountains: North side of Sunset Ridge under power line, Millard Canyon. 579 Comment



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