Search Results — 2000 specimen records retrieved (1569 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
  RSA384195  Abies concolor L. E. Hoffman 1931-11-9 s.n. Los Angeles Big Pines County Park, Angeles Forest Comment
  RSA82973  Abies concolor G. R. Campbell 1953-11-11 18732 Los Angeles Botanic Garden Nursery Seedlings from Prop No. 8075: Seed collected by P.A. Munz, Sept. 13, 1952, on dry granite slopes, Green Valley, San Bernardino Mts. 2134 Comment
  CAS-BOT-BC229551  Abronia maritima S. B. Parish; W. F. Parish 1881-10-1 1156 Los Angeles Santa Monica Comment
  RSA248884  Abronia maritima Robert F. Thorne 1973-4-12 42933 Los Angeles San Clemente Island: Pyramid Cove at S end of island. 5 Comment
  SBBG128422  Abronia maritima M. L. Hoefs 1995-5-30 2151 Los Angeles Ben Weston Beach 4 Comment
  UC557644  Abronia maritima Nell Murbarger 1936-4-1 163 Los Angeles San Clemente Island Comment
  UCR46560  Acacia cyclops A. C. Sanders 1986-7-30 6808 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
  RSA651445  Acacia paradoxa Paul Peterson 1948-2-24 s.n. Los Angeles Collected at San Dimas Park, along the southern road running parallel to the park. 251 Comment
  UCR280526  Acamptopappus sphaerocephalus var. sphaerocephalus R. G. Swinney 2014-4-10 16064 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
Read comments
Feb 18 2018
  SDSU21085  Acer negundo Ian Cain 2010-4-29 1394 Los Angeles North east of Montebello. Whitter Narrows County Reserve, 500 meters east of intersection of Durfee Avenue and Rosemead Blvd 66 Comment
  UCR193936  Acer negundo A. C. Sanders 2008-7-10 35722 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  RSA94552  Achillea millefolium Joseph A. Ewan 1933-7-4 7877 Los Angeles San Gabriel Mtns.Spanish Canyon above Monrovia 610 Comment
  RSA654591  Achillea millefolium var. californica Scott Lowe 1991-5-18 36 Los Angeles San Gabriel River channel, about 600 m. north of San Gabriel River Parkway bridge, city of Pico Rivera. Comment
  RSA226214  Achnatherum coronatum Gary D. Cromwell, David W. Wheat 1971-4-30 602 Los Angeles Mystic Canyon, Angeles National Forest, 2 miles NE of Glendora. 465 Comment
  SBBG56986  Achnatherum hymenoides R. Hoffmann 1930-6-6 Los Angeles Piru Crk Comment
  CHSC100198  Achnatherum speciosum John Dittes 2006-6-5 1404 Los Angeles Transverse Ranges; San Gabriel Mts.; Peace Valley, east of Gorman Creek; ca. 4.9 air-miles NW of Pyramid Lake dam, 6.7 air-miles SE of Gorman, and 0.6 air-miles N of Confluence of Gorman Creek and creek passing out of Canada de Los Alamos; east side of Interstate Hwy-5, north and east of Little Bear Road exit. 896 Comment
  RSA583009  Achyrachaena mollis Tim Ross, Janet Takara, S. Otte 1993-4-24 6946 Los Angeles Santa Catalina Island. Along road between Upper Buffalo Corral Reservoir and Summit Reservoir, ca 260 m due S of 932-ft knoll. 221 Comment
  CAS-BOT-BC204780  Acmispon argophyllus var. argenteus John I. Carlson 1914-4-21 s.n. Los Angeles Avalon, Catalina Isl. Comment
  UCR143301  Acmispon dendroideus var. dendroideus Glenn A. Gorelick 1978-5-26 s.n. Los Angeles Channel Islands, Santa Catalina Island, Catalina Harbor 76 Comment
  LA211933  Acmispon grandiflorus var. grandiflorus Orlando Mistretta; Oscar Dorado 1989-5-10 s.n. Los Angeles Liebre Mountains region: Bouquet Canyon. Comment
  UCR271597  Acmispon heermannii var. heermannii R. G. Swinney 2011-5-19 14761 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned 'Millie's Apple Orchard 912 Comment
Read comments
Aug 31 2017
  SD215524  Acmispon maritimus var. maritimus Steve Boyd, Lauren Raz and Timothy S. Ross 1997-4-1 9452 Los Angeles Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of Osito Flat. 792 Comment
  SEINET5327552  Acmispon maritimus var. maritimus J. Barber 1897-3-28 106 Los Angeles Collected at Santa Monica Forestry Station Comment
  CATA1728  Acmispon micranthus Mark L. Hoefs, Steven A. Junak 2000-4-14 3075 Los Angeles Santa Catalina Island: Hillside about halfway between Airport Road and Goat Harbor 469 Comment
  UCD104238  Acmispon micranthus A. C. Sanders; Mark A. Elvin, et al. 2003-4-14 25954 Los Angeles NE end of Santa Susana Mtns. Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  SBBG68161  Acmispon procumbens var. procumbens R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  SFV1850  Acmispon strigosus K. A. Wilson 1962-3-25 1252 Los Angeles San Gabriel Mountains Soledad Canyon. Small, burnt over canyon west of Bee Canyon, north of River's End Ranch. 610 Comment
  UCD104701  Acmispon wrangelianus Kenneth A. Wilson 1962-3-25 1252 Los Angeles Soledad Canyon, west of Bee Canyon, north of River's End Ranch. Comment
  CAS-BOT-BC29208  Acourtia microcephala P. C. Everett; E. K. Balls 1959-6-29 23874 Los Angeles Stokes Canyon, Santa Monica Mountains 152 Comment
  RSA708689  Adenostoma fasciculatum Valerie L. Soza, Miriam Sidibeh 2003-3-26 1603 Los Angeles North side of La Tuna Canyon, Haines Canyon Park vicinity, southwest of Dorothy and Estepa Dr. intersection. 549 Comment
  SFV20817  Adenostoma fasciculatum L. Gross, N. Fraga, B. Hogshead, A. Virgen 2003-6-19 1087 Los Angeles Verdugo Mountains North side of Verdugo Mountains south of Hostetter Motorway (on the Thomas Guide) just off La Tuna Canyon Road, south or and you can see the 210 Freeway. 556 Comment
  UC859041  Adenostoma fasciculatum Ira W. Clokey, B. Templeton Mar. 1929 4500 Los Angeles Santa Monica Mts., Mandeville Canyon 350 Comment
  RSA563495  Adenostoma fasciculatum var. fasciculatum Tim S. Ross, W. Appleby 1993-5-13 7120 Los Angeles Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon. 854 Comment
  RSA650365  Adenostoma fasciculatum var. fasciculatum R. Carlston 1961-5-8 s.n. Los Angeles 4th of July Cove, Catalina Island. Comment
  UCR271309  Adenostoma fasciculatum var. fasciculatum R. G. Swinney 2011-10-10 15752 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  UCR192872  Adiantum capillus-veneris R. G. Swinney 1998-8-10 6724 Los Angeles San Gabriel Mtns., Cattle Canyon, west of (downstream from) Thompson Flat 732 Comment
  CAS-BOT-BC65558  Adiantum capillus-veneris Geo. B. Grant 1902-7-1 971 Los Angeles San Gabriel Canyon Comment
  SBBG14231  Adiantum jordanii M. A. Piehl 1962-10-3 62497 Los Angeles near jct of main rd and White's Landing Rd Comment
  CAS-BOT-BC65630  Adiantum jordanii Grant 1901-3-10 3475 Los Angeles Pasadena, San Rafael Ranch Comment
  RSA3524  Adiantum jordanii C. B. Wolf 1932-5-9 3467 Los Angeles At junction of Skyline Drive and Pebbly Beach Road. Santa Catalina Island 30 Comment
  CAS-BOT-BC202624  Aesculus californica Timothy S. Ross; Steve Boyd; Steve Burns 1994-7-7 8140 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1708 Comment
  RSA691049  Ageratina adenophora Scott D. White 2003-10-14 9832 Los Angeles Foothills above Sierra Madre. L. A. Dept of Public Works Baily' Debris Basin, just north of BailyCanyon Park. (Mt. Wilson). 366 Comment
  SD144075  Ageratina adenophora Scott D. White 1997-3-12 4735 Los Angeles Zuma Beach area: mouth of Zuma Creek, E end of the County Beach. 7 Comment
  UCR130588  Ageratina adenophora R. E. Riefner Jr. 2000-8-29 00- 753 Los Angeles Western Transverse Range; Verdugo Mtns., La Tuna Canyon, Verdugo Mtns. Conservancy Park, second canyon at picnic stop along La Tuna Canyon Rd. 2.5 miles south of 210 Freeway exit 462 Comment
  UCR255780  Ageratina adenophora R. G. Swinney 2010-4-15 12269 Los Angeles San Gabriel Mountains, Upper Lime Kiln Cyn., 1.2-1.5 miles east of Pacoima Wash, 0.3 to 0.6 miles NE of Limekiln Cyn. fork, due south of Kagel Mt. 854 Comment
  RSA627494  Ageratina adenophora Louis C. Wheeler 1965-2-4 8653 Los Angeles Glendale: Southern Pacific Railroad Station. Comment
  LA201724  Agoseris grandiflora Arthur C. Gibson; 2001-5-18 4815 Los Angeles Santa Monica Mountains, Rocky Oaks National Recreation Area, Near Mullholand and Malibu Comment
  UCR46116  Agoseris grandiflora Kathy Harper 1986-5-17 s.n. Los Angeles San Gabriel Mtns, between Pacifico Mountain and road N3 Comment
  RSA748991  Agoseris retrorsa R. G. Swinney 2008-5-13 8859 Los Angeles Devils Punchbowl Co. Park, Holcomb Canyon at junction with South Fork Trail 1390 Comment
  UCR194188  Agoseris retrorsa R. G. Swinney 1998-7-29 6544 Los Angeles San Gabriel Mtns., c. 100 m downstream from Upper Fish Fork Campground 1817 Comment
  RSA763745  Agoseris retrorsa Orlando Mistretta, Christine Mistretta 2008-5-20 3154 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 96 per TRTP Survey 2008), Rincon Red box Rd., W Fork of the San Gabriel River, N slope of Monrovia Pk. 1476 Comment
  RSA37103  Agrostis exarata F. W. Peirson 1920-9-17 2289 Los Angeles San Antonio Canyon, San Gabriel Mountains. 1341 Comment
  RSA594637  Agrostis exarata Steve Boyd, Lauren Raz 1996-10-29 9118 Los Angeles Liebre Mountains region, along 7N19, the road to Atmore Meadows area at the southeastern end of Liebre Mountain in a tributary drainage to the North Fork Fish Canyon. 1463 Comment
  CAS-BOT-BC139739  Agrostis gigantea I. M. Johnston 1917-8-22 1633 Los Angeles San Antonio Mountains. Prairie Fork of San Gabriel River. 1524 Comment
  SEINET3917192  Agrostis stolonifera var. major Jack Delaini 1974-2-14 7 Los Angeles Along San Dimas Creek at the mouth of the canyon.; 0 427 Comment
  CHSC100222  Agrostis viridis John Dittes; Josephine Guardino 2006-11-26 1436 Los Angeles Western Transverse Range; San Gabriel Mtns.; Big Tujunga Cyn; ca. 2.7 air-miles SE of Mt. McKinley, ca. 3.8 air-miles W of Big Tujunga Reservoir, ca. 3.6 air-miles NE of Mt. Gleason Jr. High School; moist sand at edge of Big Tujunga Creek near Delta Flat Picnic Area. 512 Comment
  UCR101197  Alisma triviale L. C. Wheeler 1947-9-17 6630 Los Angeles San Gabriel Valley, Rio Hondo: at Rosemead Blvd. 70 Comment
  RSA367019  Allium Anstruther Davidson 1924-9-1 s.n. Los Angeles Tehachapi Mountains. Comment
  RSA367069  Allium burlewii L. E. Hoffman 1932-2-3 s.n. Los Angeles Hermon Hills. Comment
  RSA643148  Allium burlewii Orlando Mistretta 1993-6-24 884 Los Angeles San Gabriel Mountains: Devils Backbone Ridge. [Near Mt Harwood] 2529 Comment
  RSA70455  Allium burlewii F. W. Peirson 1918-6-17 4 Los Angeles Summit of North Baldy, San Gabriel Mts. 2820 Comment
  RSA632450  Allium fimbriatum var. fimbriatum L. C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast of Vincent 991 Comment
  LA33455  Allium haematochiton Henry J. Thompson; 1959-3-27 1882 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak, 0.5 mi. E of peak. 701 Comment
  UCR95749  Allium monticola L. C. Wheeler 1970-5-24 s.n. Los Angeles San Gabriel Mtns., Saddle between Mt. Markham and Mt. Lowe. 1616 Comment
  CAS-BOT-BC475406  Allium praecox George B. Grant; Walter Wheeler 1904-4-21 34 Los Angeles Santa Catalina Island, Pacific Ocean, off southern California Comment
  RSA410057  Allophyllum divaricatum Robin S. Collins 1973-5-28 320 Los Angeles Angeles National Forest, San Gabriel Mountains: Trail Cyn, ca. 2 mi into canyon on pack trail. 762 Comment
  RSA594568  Allophyllum glutinosum L. C. Wheeler 1967-7-30 10282 Los Angeles San Gabriel Mountains. Trail Canyon, Tom Lucas campground. 945 Comment
  PASA64  Alnus rhombifolia Sally Ellis 1939-5-12 Los Angeles San Dimas Canyon Comment
  POM307814  Alnus rhombifolia Henry J. Ramsey, Henry J. Ramsey 1938-2-13 2746 Los Angeles Eaton Canyon Park, Altadena. by old bridge. Comment
  PASA2650  Alyssum maritimum Sally Ellis 1939-4-28 Los Angeles Claremont Comment
  UCR281385  Amaranthus albus R. G. Swinney 2014-5-27 16665 Los Angeles San Gabriel Mountains, Glendora, ridge between east and north forks of Hook Cyn., c. 400 m south of Glendora Ridge Mtwy. & 200 m north of Church of the Open Door, NE of Hook Cyn. debris basin 445 Comment
  RSA0082904  Amaranthus blitoides Michael J. Moore, Hilda Flores Olvera, Helga Ochoterena, Ya Yang, Tommy Stoughton 2015-5-30 3122 Los Angeles Abalone Cove Reserve, Palos Verdes Nature Preserve. Along upper terrace overlooking the ocean. 39 Comment
  RSA598953  Amaranthus blitoides R. G. Swinney 1989-7-12 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. Mouth of Lewis Paul Canyon. 502 Comment
  PASA1268  Amaranthus graecizans Sally Ellis 1939-10-2 Los Angeles Claremont Comment
  RSA404561  Amaranthus hybridus Louis Greata 1900-9-23 s.n. Los Angeles Eagle Rock. Comment
  RSA611492  Amaranthus hybridus L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  PASA1269  Amaranthus retroflexus Sally Ellis 1939-10-2 Los Angeles Claremont Comment
  SBBG12908  Amblyopappus pusillus E. R. Blakley 1962-6-10 5232 Los Angeles SE of Eel Pt, halfway toward Seal Cove 6 Comment
  UC166769  Amblyopappus pusillus George B. Grant and Walter Wheeler Apr 21 1904-Apr 26 1904 38 /4682 Los Angeles Santa Catalina Island Comment
  RSA251394  Amblyopappus pusillus R. F. Thorne 1966-4-16 36035 Los Angeles San Clemente Island, 2/3 mile SSE of Eel point and N of seal Cove, SW side of island. 30 Comment
  RSA416877  Amblyopappus pusillus M. B. Dunkle 1939-4-5 7268 Los Angeles Pyramid Cove, San Clemente Island. Comment
  RSA526074  Amblyopappus pusillus Steve Boyd, Peter Fritsch, Timothy S. Ross 1990-4-6 4173 Los Angeles San Clemente Island. East side of island, 0.2 mile S of U.S. Navy site called 'Jack'. 152 Comment
  RSA739689  Ambrosia acanthicarpa John Dittes 2005-11-26 1298 Los Angeles Big Tujunga Cyn; ca. 2.7 air-miles SE of Mt. McKinley, ca. 3.8 air-miles W of Big Tujunga Reservoir, ca. 3.6 air-miles NE of Mt. Gleason Jr. High School; wash of Big Tujunga Creek near Delta Flat Picnic Area. 512 Comment
  POM14308  Ambrosia acanthicarpa Philip A. Munz 1922-10-15 6545 Los Angeles Claremont. 366 Comment
  POM294254  Ambrosia acanthicarpa Lyman Benson 11555 Los Angeles Claremont. Pacific slope. 366 Comment
  SFV14733  Ambrosia acanthicarpa J. C. Dittes, P. Dittes 1989-9-23 6 Los Angeles East side of lower Castaic Lake along Parker Road. Comment
  CAS-BOT-BC13715  Ambrosia chamissonis Alice Eastwood 1906-5-27 75 Los Angeles Ocean Park Comment
  RSA158274  Ambrosia chamissonis var. chamissonis Peter H. Raven 1962-7-12 18031 Los Angeles Northwest Harbor, San Clemente Island 15 Comment
  CAS-BOT-BC45015  Ambrosia psilostachya Peter H. Raven 1957-9-21 11352 Los Angeles Santa Monica Mountains, Monte Nido Fire Station Comment
  UCR252061  Amorpha californica Dan S. Cooper 2013-4-22 413- 61 Los Angeles Western Transverse Range; Hollywood Hills, Hollywood Reservoir, Montlake Dr. at Canyon Lake Dr., NE side of reservoir 233 Comment
  CAS-BOT-BC180604  Amorpha californica var. californica Chester Dudley 1931-7-1 s.n. Los Angeles San Gabriel Mts. Comment
  POM184683  Amorpha californica var. californica Joseph A. Ewan 1932-6-12 7370 Los Angeles San Gabriel Mountains: 1 mi above North Fork Camp, N.F. Tujunga Creek. 976 Comment
  RSA509706  Amorpha californica var. californica L. C. Wheeler 1967-7-30 s.n. Los Angeles Trail Canyon ca. 1/2 way between Tom Lucas Campground and BM 3434. 1006 Comment
  SBBG19163  Amsinckia intermedia M. A. Piehl 1965-12-7 631051 Los Angeles point across SE tip of island from Pyramid Head Comment
  RSA534003  Amsinckia intermedia Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5118 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
  UC1594405  Amsinckia intermedia Tim Ross, Elizabeth Kellogg 1992-4-13 6141 Los Angeles nw part of Darter (coastal terrace in the vicinity of); San Clemente Island 18 Comment
  SEINET10455814  Amsinckia menziesii David B. Dunn 1948-3-20 Dunn 3782 Los Angeles Along roadside about 1 block W of Grand Ave on Cypress Ave, about 1 mi NE of Covine. Comment
  CAS-BOT-BC26820  Amsinckia palustris Alice Eastwood 1906-5-31 92 Los Angeles Near Bimini Baths Comment
  RSA0091276  Amsinckia spectabilis P. A. Munz, R. D. Harwood 1920-5-15 3956 Los Angeles Near Santa Monica. 152 Comment
  SFV9420  Amsinckia tessellata M. L. Vincent, R. H. Swade 1964-4-2 479 Los Angeles San Gabriel Mountains Valyermo Road, about 200 m (1/8 mile) north of Pallett Road. 1085 Comment
  PASA2004  Amsinckia tessellata Frank W. Peirson 1930-5-12 Los Angeles Along Blvd. about opposite Acton Comment
  RSA0091448  Amsinckia tessellata var. tessellata Frank W. Peirson 1930-5-12 8792 Los Angeles Along boulevard nearly opposite Acton, about 3 miles north of Mint Canyon summit. Comment
  RSA465151  Anagallis arvensis Chung-Hsin Chung 1931-3-4 s.n. Los Angeles Roadside, Pasadena Comment
  UCR9394  Andropogon glomeratus D. H. Wilken 1965-11-1 584 Los Angeles San Gabriel Mtns., North Fork of the San Gabriel River c. 5 mi north of the West Fork confluence Comment
  UCR101187  Andropogon glomeratus var. scabriglumis L. C. Wheeler 1949-1 6755 Los Angeles San Gabriel Mtns., North Fork San Gabriel River, near Bichota canyon 686 Comment
  POM9877  Anemopsis californica I. M. Johnston 1917-4-11 s.n. Los Angeles Compton Creek near Dominguez. Comment
  RSA165740  Anemopsis californica Brian C. Miller 1963-7-5 s.n. Los Angeles Hwy 399, one mile SE of Gorman. Comment
  RSA503836  Anemopsis californica Frances M. Morey 1922-5-15 s.n. Los Angeles West Adams Street. Comment
  UC891822  Anthemis cotula I. W. Clokey and B. C. Templeton 1936-5-18 5663 Los Angeles Puddingston Reservoir Comment
  LA52029  Antirrhinum coulterianum Carl Epling; 1926-5-8 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  POM354838  Antirrhinum coulterianum G. R. Johnstone 1930-6-22 s.n. Los Angeles Near Ravenna; Soledad Canyon. Comment
  RSA425778  Antirrhinum coulterianum Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  RSA425779  Antirrhinum coulterianum Louis C. Wheeler 1932-7-2 903 Los Angeles Brown's Flat 1311 Comment
  RSA597404  Antirrhinum coulterianum Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3770 Los Angeles San Gabriel Mountains. Ridgetop to the SW of Crystal Lake (ridge descending SSW from Mt. Islip). 1780 Comment
  SFV10454  Antirrhinum coulterianum M. L. Vincent 1965-5-27 653 Los Angeles Santa Monica Mountains Mulholland Highway, 0.5 miles west of Cold Canyon road. 300 yards off highway. 300 Comment
  POM354839  Antirrhinum coulterianum N. C. Cooper 1949-6-29 4359 Los Angeles San Gabriel Canyon. 457 Comment
  UCR281611  Antirrhinum kelloggii R. G. Swinney 2014-5-21 16644 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  RSA615863  Antirrhinum multiflorum Scott D. White 1995-10-19 3698 Los Angeles S edge of Santa Susana Mts., above Chatsworth, +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Blvd.); 0.7-1.0 air mi SE of Chatsworth Peak. 370 Comment
  UCR127240  Antirrhinum multiflorum Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2927 Los Angeles Santa Susana Mtns., Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. 915 Comment
  RSA712213  Antirrhinum multiflorum Andrea Warniment, J. Pareti 2005-6-13 ADW- 7 Los Angeles Victoria Debris Basin. 415 Comment
  RSA150668  Antirrhinum nuttallianum subsp. subsessile Peter H. Raven 1962-4-12 17325 Los Angeles Near foot of canyon south of canyon below the Tomb, west side of San Clemente Island 137 Comment
  SBBG113118  Aphanes occidentalis S. A. Junak 1997-3-27 SCa 348 Los Angeles Avalon Cyn, along lower part of Hermit Gulch Trail 109 Comment
  RSA248894  Aphanisma blitoides R. F. Thorne 1973-4-12 42950 Los Angeles San Clemente Island: Pyramid Cove at S end of island. 3 Comment
  RSA411822  Aphanisma blitoides Blanche Trask 1901-03 1931 or 1533 Los Angeles On old indian mounds, near Avalon, Santa Catalina Island Comment
  RSA660871  Aphanisma blitoides Orlando Mistretta 1992-4-4 134 Los Angeles San Clemente Island. Comment
  RSA188024  Apiastrum angustifolium R. F. Thorne 1966-4-30 36348 Los Angeles Santa Catalina Island; mouth of Gallagher s Canyon. 8 Comment
  JEPS16049  Apiastrum angustifolium Frank W. Peirson 1918-5-26 133 Los Angeles San Gabriel Mountains, Henniger Flats Henniger Flats; San Gabriel Mountains, Henniger Flats 868 Comment
  OBI35970  Aquilegia formosa J. & B. Semple, B. Semple 1981-8-14 5613 Los Angeles E of Kratka Ridge, along crk 2134 Comment
  RSA648198  Aquilegia formosa Brian McColgan 1988-5-14 12 Los Angeles Evey cyn., 1 mile N of Padua on Mt. Baldy rd. Comment
  RSA0043294  Arabis pulchra A. Lee Haines 1968-3-30 s.n. Los Angeles NW corner of County, 6 miles S of Gorman. 1127 Comment
  RSA585315  Arabis pulchra var. gracilis Timothy S. Ross 1991-4-27 4654 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line 1183 Comment
  UCR213951  Arabis pulchra var. gracilis Dave Silverman, Cindy Hopkins 2007-4-27 6781 Los Angeles Tejon Ranch, W of California Aqueduct, N of Oso Canyon, 0.8 miles SSE of National Cement and 600m NE of Oso 3804 benchmark 1052 Comment
  UC2026394  Arabis sparsiflora var. californica Louis C. Wheeler 1968-5-31 s.n. Los Angeles SAN GABRIEL MOUNTAINS: Devil's Canyon, Campground Vicinity. Comment
  RSA729704  Aralia californica R. G. Swinney 1998-7-28 6515 Los Angeles San Gabriel Mtns.: south fork of Cow Canyon at and above Fallen Leaf spring, to 0.2 mi. south of Glendora Ridge rd. 1366 Comment
  SEINET10532881  Araucaria bidwillii David B. Dunn 1939-10-25 Dunn UMO 46542 Los Angeles Cultivated tree near Colorado Blvd and Orange, Pasadena, California. Comment
  CAS-BOT-BC23856  Arctostaphylos catalinae Robert F. Thorne; P. C. Everett 1965-5-12 34599 Los Angeles Santa Catalina Island, wooded slopes of Bulrush Canyon. 274 Comment
  RSA626736  Arctostaphylos glandulosa Jon E. Keeley 1978-9-4 7231 Los Angeles Mt. Gleason (Arcto study site). 2000 Comment
  RSA0048553  Arctostaphylos glandulosa Paul Gripp s.n. Los Angeles Topanga Canyon. 365 Comment
  CAS-BOT-BC24911  Arctostaphylos glandulosa subsp. adamsii John Thomas Howell 1942-10-19 17872 Los Angeles Charlton Flat, San Gabriel Mts. Comment
  RSA0089375  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley, Allen Massihi 1992-8-20 20500 Los Angeles Windy Gap, Angeles Crest Hwy, San Gabriel Mtns. 1550 Comment
  POM367269  Arctostaphylos glandulosa subsp. glandulosa H. L. Bauer 1932-5-1 15356 Los Angeles Santa Monica Mts., along road to Saddle Peak. 610 Comment
  POM367270  Arctostaphylos glandulosa subsp. glandulosa A. M. Johnson 1934-5-4 4466 Los Angeles Santa Monica Mtns: Sepulveda Canyon, beyond tunnel, right side of road. Comment
  UCR98733  Arctostaphylos glandulosa subsp. glaucomollis T. S. Ross, Steve Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3829 Los Angeles San Gabriel Mtns., easterly and southeasterly slopes to the SW of Crystal Lake. 1829 Comment
  RSA276023  Arctostaphylos glandulosa subsp. mollis Jack Delaini 1974-2-27 45 Los Angeles Lodi Canyon, San Dimas Experimental Forest. Angeles National Forest. On NE- facing slope 899 Comment
  RSA626752  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley 1979-6-14 7408 Los Angeles 3.2 km east of Short Cut on Angeles Crest Highway. 1600 Comment
  RSA631216  Arctostaphylos glandulosa var. cushingiana Jon E. Keeley, Melanie Baer Keeley 1992-10-11 21976 Los Angeles Liebre Mountains, 1.5 km east of Bear Campground. 1700 Comment
  RSA367300  Arctostaphylos glauca L. E. Hoffman 1929-6-23 s.n. Los Angeles Pacoima Canyon Comment
  RSA631418  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15709 Los Angeles Angeles Forest Highway, 11 km north of Big Tujunga Canyon turnoff. 1425 Comment
  RSA631419  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15704 Los Angeles Angeles Forest Highway, 8 km north of Big Tujunga Canyon turnoff. 1300 Comment
  RSA631468  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15715 Los Angeles Angeles Forest Highway, 11 km north of Big Tujunga Canyon turnoff. 1425 Comment
  RSA631469  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-27 15765 Los Angeles Santa Clara Divide Road (3N17), 6-7 km off Sand Canyon Road. 1000 Comment
  RSA631470  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15712 Los Angeles Angeles Forest Highway, 11 km north of Big Tujunga Canyon turnoff. 1425 Comment
  RSA631541  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15719 Los Angeles Angeles Forest Highway, 11 km north of Big Tujunga Canyon turnoff. 1425 Comment
  RSA634786  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20469 Los Angeles S of Sulphur Springs Cpgrd, N of Angeles Crest Hwy, San Gabriel Mtns. 1700 Comment
  RSA634796  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20508 Los Angeles Chilao Campground. 1600 Comment
  RSA634822  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22025 Los Angeles Dirt road between Chilao and Mill Creek Summit, 2.7 km E of turnoff to Pacifico Mtn., San Gabriel Mtns. 1825 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
  UC2026384  Arenaria macradenia var. kuschei Steve Boyd, Laura Moore, M. Wall 1997-7-24 10019 Los Angeles LIEBRE MOUNTAINS REGION: Summit of Liebre Mountain, saddle between Richardson and Bear canyon, along Forest Service Road 7N23, 0.05 miles east of junction with road to Bear Gulch Camp (7N23A). Comment
  UCR99479  Arenaria pusilla Steve Boyd, Lauren Raz 1997-3-14 9168 Los Angeles Liebre Mtns., Lower N flank of Bald Mtn, along Pacific Crest Trail on top of ridgeline east of Horse Camp Canyon 1451 Comment
  RSA652147  Argemone munita Orville Armstrong 1949-5-1 s.n. Los Angeles 1.5 miles north of Pomona. Loam soil. 305 Comment
  SDSU6221  Artemisia californica R. M. Beauchamp 1967-6-2 537 Los Angeles On north rim of canyon below Lemon Tank, San Clemente Island. 305 Comment
  UC1119309  Artemisia californica F. H. Raymond 1930-1-6 14 Los Angeles Escondido Canon Triumfo Pass Quad., Escondido Canon Comment
  RSA0069711  Artemisia californica Daniel Kasang, Sabrina Lawrence-Gomez, Alexandria Cheung, Miller Zou, Sarah Ratay 2011-7-1 2 Los Angeles Santa Catalina Island. Deer Valley Trail. 4 Comment
  RSA594935  Artemisia douglasiana Steve Boyd, Lauren Raz 1996-10-8 9000 Los Angeles Liebre Mountains region, Bouquet Canyon ca. 1.7 miles south of junction with Forest Service Road 6N08. 561 Comment
  RSA652953  Artemisia douglasiana A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23277 Los Angeles Santa Susana Mountains: Aliso Canyon Oil Field, Oat Mountain; Mormon, Limekiln & Aliso Canyon watersheds. 610 Comment
  SD143531  Artemisia dracunculus Ralph Hoffmann 1927-8-31 Los Angeles Mint Canyon Comment
  SEINET13387033 Image available Artemisia dracunculus R. G. Swinney 2011-1 15739 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
  RSA529901  Artemisia dracunculus Timothy S. Ross 1991-8-16 5809 Los Angeles along Angeles Crest Hwy., 1/5 mile from Mt. Sally summit 1524 Comment
  SBBG43891  Artemisia nesiotica M. R. Benedict 1971-6-25 Los Angeles Skeet range, 1 mi S of Wilson Cove 60 Comment
  UCR158441  Artemisia tridentata subsp. parishii David Charlton 1991-6-6 5646 D Los Angeles Western Mojave Desert, Edwards Air Force Base, South Track Well Field, 0.25 mi. north of water tank on unpaved road 701 Comment
  UCR193600  Arundo donax R. G. Swinney 1999-6-28 7429 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, near old [abandoned] homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  RSA617465  Asclepias californica Scott D. White, Sandra L. Leatherman 1998-6-4 6642 Los Angeles Castaic Lake area: Grasshopper Canyon watershed, between I-5 Freeway/Old Ridge Route and lake. Proposed North Lake Planned Community. 427 Comment
  UC1584912  Asclepias californica Tim Ross, Steve Boyd 1991-7-24 5640 Los Angeles nne slope Grantite Mountain; Granite Mountain, Pacifico Mountain USGS 7.5' quadrangle 1901 Comment
  UCR186654  Asclepias californica A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32219 Los Angeles Tehachapi Mtns. Foothills, hills immediately NW of Quail Lake, vicinity of Benchmark 3562/Quail 1098 Comment
  UCR209215  Asclepias californica R. G. Swinney 2008-6-18 9062 Los Angeles San Gabriel Mountains, Juniper Hills at Cruthers Creek bottom, Burkhart Trail 1585 Comment
  UCR50991  Asclepias californica A. C. Sanders, E. J. Lawlor 1988-4-3 7755 Los Angeles Tehachapi Mountains, southwest end of the Tehachapi Mtns, l mi northwest of Gorman on a gasline rd, 0.4 mi above old highway 1284 Comment
  RSA401680A  Asclepias eriocarpa Anstruther Davidson 1921-6-1 s.n. Los Angeles Los Angeles. Comment
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Oct 27 2015
  CATA3178  Asclepias fascicularis Julie L. King 2016-10-25 5 Los Angeles Santa Catalina Island: North side of West End Rd., ca., 320 meters before junction with Parsons Landing Rd. 89 Comment
  RSA716480  Asclepias fascicularis Scott D. White, Andrea Warniment 2006-7-7 11620 Los Angeles Gorman area, Gorman creek NE of the I-5 Freeway. SE Tehachapi Mts. 1037 Comment
  UCR213421  Asparagus densiflorus A. C. Sanders, Dan S. Cooper 2010-3-12 37322 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR205060  Asphodelus fistulosus R. G. Swinney 2008-4-4 8606 Los Angeles San Gabriel Mtns., lower Ham Canyon where it runs through San Dimas Golf Course, just above confluence with San Dimas Wash 366 Comment
  RSA651247  Aspidotis californica Jon Nickoloff 1973-2-22 730222 -5 Los Angeles c. 80' east of trail on east face, Mt. Wilson Trail; San Gabriel Mts. 381 Comment
  CAS-BOT-BC65786  Aspidotis californica 1903-4-1 s.n. Los Angeles Santa Anita Caves, Southern Calif. Comment
  POM941  Aspidotis californica George B. Grant 1901-3-17 s.n. Los Angeles Eagle Rock Comment
  UCR223264  Aster greatae R. G. Swinney 2009-8-19 11449 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Canyon Wilderness Park, at waterfall 534 Comment
  UCR70772  Aster greatae I. M. Johnston 1917-9-16 1725 Los Angeles San Gabriel Mtns., San Gabriel Mountains, Coldwater Fork of Cattle Cyn. 1223 Comment
  RSA498252  Astragalus Robert M. Perkins 1935-3-30 s.n Los Angeles Along the highway. Comment
  RSA714887  Astragalus didymocarpus A. C. Sanders, Mark A. Elvin 2003-4-14 25970 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  UC166637  Astragalus gambelianus Geo. B. Grant 1903-4-23 5438 Los Angeles Saugus Comment
  UCSB51743  Astragalus lentiginosus Hodgson, John 1929-3-29 Los Angeles Along ridge route, 1/2 mi. toward ??? from Gorman; Santa Barbara-Tejon forest Comment
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Oct 25 2007
  RSA112057  Astragalus lentiginosus var. albifolius H. D. Ripley, R. C. Barneby 1943-6-21 5853 Los Angeles 8 miles N of Lancaster. 640 Comment
  SBBG107228  Astragalus miguelensis J. Rebman, J. Dunn 1996-4-29 3103 Los Angeles between Eel Cove and Eel Cyn 10 Comment
  SBBG19135  Astragalus miguelensis R. Loveland 1963-12-8 Los Angeles SE of West Cove at Darter near Trick Pt Comment
  POM49029  Astragalus pycnostachyus var. lanosissimus Stephen Grout 1900-9-9 s.n. Los Angeles Ballona. Comment
  SEINET10484098  Astragalus trichopodus subsp. leucopsis Jon Ricketson, Heidi H. Schmidt; Janet Takara 1992-10-20 Ricketson 4805 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
  LA200433  Astragalus trichopodus var. lonchus Carl Epling; L. Ellison 1930-3-28 sn Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon Comment
  UC1302387  Astragalus trichopodus var. lonchus Robert F. Thorne and P. Everett 1964-2-6 33304 Los Angeles w Isthmus Cove (Santa Catalina Island); , w of Isthmus Cove 30 Comment
  RSA415730  Astragalus trichopodus var. lonchus Ruth Herley 1932-4-17 s.n Los Angeles Santa Monica Mts. Near Dekker Ranch in recently burned area. Comment
  RSA512036  Astragalus trichopodus var. phoxus L. C. Wheeler 1967-5-18 9655 Los Angeles divide between Reynier and Placerita Canyons 610 Comment
  SBBG67453  Astragalus trichopodus var. phoxus M. N. Ackley 1927-5-29 566 Los Angeles Mulholland Drive 457 Comment
  UCD105475  Astragalus trichopodus var. phoxus Ernest C. Twisselmann 1964-6-10 9624 Los Angeles Old Highway 101, 0.5 mile northwest of Gorman. 1188 Comment
  UCR274004  Atriplex argentea Mitch Provance 2010-5-18 510- 01 Los Angeles Westernmost Mojave Desert, Western Antelope Valley, along Lancaster Rd. (= Hwy 138), near entrance to cement plant, c. 0.6 mi. east of intersection of Lancaster Rd. and County Route N2 1021 Comment
  CAS-BOT-BC170014  Atriplex confertifolia Ernest C. Twisselmann 1970-9-8 17490 Los Angeles Antelope Valley, Highway 14 at Avenue B - Mojave Desert 731 Comment
  RSA452380  Atriplex coulteri F. R. Fosberg 1931-4-16 S 4648 Los Angeles Bulrush Ridge, Santa Catalina Island. 210 Comment
  UCR205521  Atriplex glauca A. C. Sanders, T. B. Salvato 2009-5-19 36812 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  SD185188  Atriplex phyllostegia S. J. Myers 2005-5-11 Los Angeles Northeast of Lancaster, southwest of the intersection of Avenue H and 10th Street. 719 Comment
  UCR73512  Atriplex prostrata Scott D. White 1992-10-8 917 Los Angeles Western Transverse Range; Santa Monica Mtns., Malibu, just north of Pacific Coast Hwy (= Calif. Hwy 1), extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School 91 Comment
  POM660  Atriplex rosea Anstruther Davidson 1917-10 s.n. Los Angeles Streets. Comment
  POM155783  Atriplex semibaccata M. B. Dunkle 1928-10-7 2000 Los Angeles Middle Ranch, Santa Catalina Island. 152 Comment
  SD112033  Atriplex semibaccata Betsy Carpenter, Linda Allen 1975-3-21 Los Angeles Santa Catalina Island; Little Harbor. Comment
  SD21285  Atriplex semibaccata Norman E. Bilderback 1938-4-17 Los Angeles Catalina Island; Avalon. Comment
  POM18432  Atriplex semibaccata P. A. Munz 1923-4-12 6783 Los Angeles San Clemente Island: Wilson s Cove. Comment
  CAS-BOT-BC176587  Atriplex serenana var. davidsonii Le Roy Abrams 1899-4-1 206 Los Angeles Mesmer Comment
  RSA478350  Atriplex subspicata M. B. Dunkle 1930-7-23 2440 Los Angeles Little Harbor, Santa Catalina Island. Comment
  RSA344530  Atriplex watsonii F. C. Boutin 1967-4-23 1626 Los Angeles San Clemente Island: North end of island, at W end of air field runway. Comment
  UCR200019  Avena barbata Valerie Soza, Mariam Sidibeh 2003-3-26 1616 Los Angeles Transverse Ranges; Verdugo Mountains, Western San Rafael Hills, Ridge Motorway off Camino San Rafael, southwest of Emerald Isle Drive and Camino San Rafael junction, above Mayors Bicentennial Park 579 Comment
  CATA709  Avena fatua Mark L. Hoefs 1991-5-3 1208 Los Angeles Santa Catalina Island: Bluff between Hamilton Cove and Descanso Beach 82 Comment
  RSA650455  Avena sativa Burgess Spring 1948-4-2 s.n. Los Angeles 1 mile East of San Dimas. 274 Comment
  CAS-BOT-BC145795  Axonopus compressus Joseph A. Geohegan 1954-11-1 s.n. Los Angeles Pasadena. 147 Annandale Road. Comment
  RSA709378  Azolla filiculoides A. C. Sanders 2003-8-6 27137 Los Angeles Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters 320 Comment
  UC1483355  Baccharis glutinosa Robert F. Thorne, D. Propst, and H. Hoefs 1974-9-12 45102 Los Angeles in lower in of and near bridge over stream Cottonwood Canyon (Santa Catalina Island); , Cottonwood Canyon 30 Comment
  SD112006  Baccharis pilularis subsp. consanguinea Linda Allen, Betsy Carpenter 1975-3-21 Los Angeles Santa Catalina Island, Cottonwood Creek. Comment
  JEPS20087  Baccharis salicifolia subsp. salicifolia Peter H. Raven 1957-9-21 11338 Los Angeles nw end of UCLA Campus Comment
  JEPS40692  Baccharis salicifolia subsp. salicifolia W. L. Jepson 1941-10-28 20646 Los Angeles Fremont Pass Comment
  SDSU6388  Baccharis salicifolia subsp. salicifolia A. H. Gallup 1949-2-14 304 Los Angeles Lasca - north of lake. 152 Comment
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Apr 29 2015
  SDSU6389  Baccharis salicifolia subsp. salicifolia Gerald Collier 1951-5-5 M 536 Los Angeles Santa Ana Canyon, San Gabriel Mtns. About 2 miles up canyon from chantry falt trail base - along stream. Comment
  UC30395  Baccharis salicifolia subsp. salicifolia Harley P. Chandler 1897-1-1 Los Angeles Claremont, foothills Comment
  UC1119010  Balsamorhiza deltoidea A. D. Gifford 1935-4-12 571 Los Angeles 4 mi wsw of Manzana; Tejon Quadrangle 1005 Comment
  SBBG112169  Balsamorhiza deltoidea C. Bornstein, E. Collins 1997-4-14 Los Angeles ca. 0.7 mi E of Hwy 138 on USFS Rd N2; Liebre Mtn 1082 Comment
  CAS-BOT-BC16440  Barbarea orthoceras Joseph Andorfer Ewan 1936-7-22 9798 Los Angeles San Gabriel Mountains. Big Pines Meadow. 2072 Comment
  RSA423219  Bassia hyssopifolia F. R. Fosberg 1931-8-19 7287 Los Angeles Compton. Comment
  SEINET3862252  Beloperone californica Pamela G. Jones 1967-9-13 59 Los Angeles 5200 Onacrest Dr., Los Angeles.; 0 Comment
  RSA650244  Beloperone guttata Charles Huston 1949-2-19 s.n. Los Angeles On campus of Whittier High School. Comment
  RSA435917  Berberis nevinii Fordyce Grinnell Jr. 1910-04 1824 Los Angeles San Fernando Valley Comment
  UCR210486  Bidens pilosa R. G. Swinney 2008-11-30 9865 Los Angeles San Gabriel Mtns., Azusa, San Gabriel River Channel, 1.2 mi. north of Foothill Blvd. at mouth of Fish Canyon 204 Comment
  RSA354205  Bidens pilosa S. Carlquist 1985-12-6 15908 Los Angeles Wild along road, Via Padua, Claremont. Comment
  UCD105592  Bituminaria bituminosa Scott D. White 2003-10-22 9839 Los Angeles San Gabriel Mountains: Above Sierra Madre. Los Angeles Dept. of Public Works 'Sierra Madre' Debris Basin. Northern terminus of Sumac St. 366 Comment
  RSA482646  Boechera californica L. E. Hoffman 1929-4-13 s.n. Los Angeles Trail Canyon, Angeles National Forest. Comment
  JEPS53127  Boechera platysperma Frank W. Peirson 1918-7-7 58 Los Angeles Ontario Ridge San Gabriel Mts. 2438 Comment
  LA204234  Boechera pulchra Eliz. Grant; 1937-5-8 sn Los Angeles Mint Canyon 1523 Comment
  SD230186  Boechera pulchra Louis C. Wheeler 1968-5-27 Los Angeles San Gabriel Mountains: Alimony Ridge. 1431 Comment
  UCSB2227  Boechera pulchra Kamb, Peter 1948-5-6 Los Angeles Lower Sonoran Zone; desert foothills of the San Gabriel Mts.; above Little Rock 975 Comment
  CAS-BOT-BC25974  Boechera xylopoda Timothy S. Ross 1991-4-27 4654 Los Angeles Mojave Desert. Fort Tejon Road, 0.1 mile west of its junction with highway 138 (and hiking +- S to SSW). 1203 Comment
  CAS-BOT-BC30963  Bolboschoenus maritimus Peter H. Raven; Henry J. Thompson 1959-9-6 14372 Los Angeles Mouth of Malibu Creek 6 Comment
  RSA584306  Boykinia rotundifolia T. S. Ross, W. Appleby 1993-6-7 7368 -B Los Angeles W end of the San Gabriel Mountains: Los Pinetos Spring. 887 Comment
  RSA583030  Brachypodium distachyon Timothy S. Ross 1993-4-22 6870 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak, saddle on E side of peak. 448 Comment
  UCR95748  Brassica geniculata L. C. Wheeler 1967-3-3 9171 Los Angeles San Gabriel Mtns., Sunset Ridge, west of Chaney Trail Comment
  RSA716932  Brassica rapa LeRoy Gross 2006-1-28 2452 Los Angeles Northwest tip of the Verdugo Range, just east of Hansen Dam. West side of Wentworth Street, north of Stonehurst Ave. 305 Comment
  POM351120  Brickellia californica T. S. Clare 1930-10-19 s.n. Los Angeles Big Santa Anita Canyon Comment
  UCR194616  Brickellia californica R. G. Swinney 1998-8-13 6754 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  UCR146463  Brickellia nevinii Orlando Mistretta 1992-6-12 570 Los Angeles Transverse Ranges; San Gabriel Mountains region, Cow Canyon, Road 2N29 EA- from Saddle to 2nd main drainage Comment
  POM257577  Brodiaea minor Carl B. Wolf 1932-5-13 3623 Los Angeles Santa Catalina Island. Hillside south of largest Reservoir, 3.5 mi. (by road) from Avalon on way to Isthmus 365 Comment
  CAS-BOT-BC144332  Bromus W. R. Dudley; F. H. Lamb 1896-6-8 4400 Los Angeles Liebre Mountains. King's Cannon. Comment
  RSA364012  Bromus arizonicus F. R. Fosberg 1931-4-16 S- 4646 Los Angeles Bulrush Ridge, Santa Catalina Island. Comment
  RSA698759  Bromus carinatus LeRoy Gross, P. Morton 2004-6-10 1369 Los Angeles East end of the main crest; (Road surveys for the Angeles National Forest, road 7N23) Traveled from east to west [west to east] from the junction with Atmore Meadows road (7N19) along Sawmill Mountain to Burnt Peak road (7N23A) 1590 Comment
  UCR223550  Bromus carinatus R. G. Swinney 2009-6-2 10993 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  CAS-BOT-BC149192  Bromus carinatus var. carinatus Peter H. Raven 1959-5-3 14061 Los Angeles Santa Monica Mountains. Mulholland Driver near Beverly Glen Boulevard. 381 Comment
  CAS-BOT-BC148921  Bromus carinatus var. marginatus Timothy S. Ross; Steve Boyd 1994-6-23 8048 Los Angeles Liebre Mountains. Sawmill Mountain. 5514 foot summit and immediately adjacent slopes. 1680 Comment
  POM364018  Bromus catharticus Anstruther Davidson 1917-04 3179 Los Angeles E. Los Angeles. Comment
  CAS-BOT-BC156114  Bromus diandrus Joseph Andorfer Ewan 1933-5-13 10938 Los Angeles Los Angeles. Shatto Street near Union Avenue. Comment
  RSA656418  Bromus diandrus Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 674 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, at La Tuna Canyon Road. SSW of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 518 Comment
  SBBG95212  Bromus diandrus M. B. Dunkle 1928-3-31 1787 Los Angeles Cottonwood Cyn Comment
  LA13809  Bromus diandrus Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  LA200943  Bromus diandrus Norman A. Cole; May 1964 322 .1 Los Angeles SANTA MONICA MOUNTAINS, 6.3 mi from Pacific Coast Hwy along Piuma Rd. 365 Comment
  SFV21050  Bromus grandis L. Gross, V. Soza 2001-6-6 430 Los Angeles Verdugo Mountains North side of mountains. Hostetter Mountain Way, off of La Tuna Canyon Road. Near a seep just along dirt fire road on north-facing slope. 671 Comment
  SEINET10933827  Bromus grandis LeRoy R. Abrams 1902-6-29 Abrams 2600 Los Angeles Summit of Mt. Wilson. Comment
  RSA0088421  Bromus hordeaceus R. G. Swinney 2010-2-27 11759 Los Angeles Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash. 331 Comment
  SD84798  Bromus hordeaceus M. B. Dunkle 1939-4-4 7254 Los Angeles San Clemente Island; Pyramid Cove; on dry slope Comment
  UCR271815  Bromus hordeaceus R. G. Swinney 2010-5-7 12597 Los Angeles San Gabriel Mountains, Lake View Terrace, Oliver Canyon, 0.85 air miles north of I-210 Fwy., c. 100 meters east of cyn. bottom along private dirt service rd. 463 Comment
  RSA0115841  Bromus madritensis Steven A. Junak 1999-5-22 SCa- 1002 Los Angeles Santa Catalina Island. At end of Goat Harbor, W fork of canyon. 54 Comment
  CATA884  Bromus madritensis subsp. rubens Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-31 1697 Los Angeles Santa Catalina Island: Side canyon of Middle Canyon, across the road from large oak tree 237 Comment
  POM363926  Bromus rubens Freda Detmers 1928-4-24 s.n. Los Angeles Los Angeles.[Los Angeles River?] Comment
  RSA0077088  Bromus rubens R. G. Swinney 2010-4-15 12229 Los Angeles Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  CAS-BOT-BC161603  Bromus sterilis Steve Boyd; Lauren Raz 1997-5-6 9759 Los Angeles Liebre Mountains Region. Fish Canyon just upstream from the conflunence with Castaic Creek. 499 Comment
  SEINET3923579  Bromus tectorum Robert F. Thorne 1971-5-18 41368 Los Angeles Santa Catalina Island: White's Landing.; 0 30 Comment
  UC285015  Bromus tectorum P. A. Munz 1923-5-26 6837 Los Angeles San Gabriel Mountains, Vincent Gulch Vincent Gulch; San Gabriel Mountains, Vincent Gulch 2011 Comment
  RSA0019954  Bromus tectorum Michael Horn 1991-5-7 34 Los Angeles Take dirt road 4N06 2.5 miles north of Hwy CN4 to reservoir. East 1/8 mile on unnamed dirt road to site 1463 Comment
  LA82412  Calandrinia breweri O. H. Kappler; 1944-4-23 591 Los Angeles SANTA MONICA MOUNTAINS, Cold Creek, Monte Nido, N slope near fire station. 304 Comment
  LA91495  Calandrinia ciliata Bruce Douglas Clayton; Greg Shaw 1972-4-15 96 Los Angeles SANTA MONICA MOUNTAINS, Mountain Park Research Campus, upper canyon entrance. 585 Comment
  UCR138132  Calandrinia ciliata L. C. Wheeler 1974-3-28 s.n. Los Angeles San Gabriel Mtns, Wildwood Ranch, east of Glendora 389 Comment
  UCR199958  Calandrinia ciliata Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-18 1160 Los Angeles Transverse Ranges: Verdugo Mountains, ridgetop above McDonald Creek 457 Comment
  CATA623  Calandrinia menziesii Mark L. Hoefs 1991-4-8 1076 Los Angeles Santa Catalina Island: Side canyon (Rattlesnake Canyon) of upper Avalon Canyon 146 Comment
  IRVC28417  Calendula officinalis A. C. Sanders 2003-5-26 26833 Los Angeles long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel San Gabriel Valley 171 Comment
  UCD102984  California macrophylla A. C. Sanders; Tricia Wotipka, Mark A. Elvin, et al. 2003-4-29 26152 Los Angeles Western San Gabriel Mtns; Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east Lake Hughes Rd. 488 Comment
  CAS-BOT-BC132273  Calochortus catalinae Le Roy Abrams 1901-4-3 1266 Los Angeles Santa Monica Mts. Comment
  RSA188171  Calochortus catalinae Robert F. Thorne 1966-4-4 35780 Los Angeles Santa Catalina Island. Blue Cavern Point, NE of Isthmus Cove 30 Comment
  UCR65200  Calochortus catalinae F. R. Fosberg 1931-4-2 S- 04456 Los Angeles Channel Islands, Santa Catalina Island, divide between Hamilton and Descanso Canyons 250 Comment
  CAS-BOT-BC132286  Calochortus catalinae Emily Bartlett 1928-3-18 s.n. Los Angeles In [Topango Canon] Topanga Canyon Comment
  SEINET12045791  Calochortus catalinae B. C. Templeton 1939-1 4587 Los Angeles Huntington Palisades, Santa Monica Mts Comment
  UCR127895  Calochortus clavatus A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26098 Los Angeles Western San Gabriel Mtns., Newhall Ranch, Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon 457 Comment
  RSA0045433  Calochortus clavatus Wendy Boes, Kevin McCrummen 2009-5-25 2009 -014 Los Angeles Western Transverse Ranges; Sierra Pelona Range Region off Bouquet Canyon Road, south of Bouquet Canyon Reservoir. 792 Comment
  RSA778575  Calochortus clavatus var. gracilis D. E. Bramlet, D. Pugh 2010-6-3 4680 Los Angeles Transverse Ranges; Liebre Mts. region: Portal Ridge. 146 m N of Poor Road and 312 m E of 70th Street West 1085 Comment
  RSA646952  Calochortus invenustus Orlando Mistretta 1993-6-28 896 Los Angeles San Gabriel Mtns: Angeles National Forest. Table Mtn; Sunrise ski area. Comment
  CAS-BOT-BC483413  Calochortus invenustus John Thomas Howell 1947-7-18 23414 Los Angeles Blue Ridge, San Gabriel Mountains 2590 Comment
  CAS-BOT-BC487907  Calochortus kennedyi R. G. Swinney 2009-5-12 10734 Los Angeles Transverse Range; San Gabriel Mtns.: Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi NW up ridge 1463 Comment
  RSA377418  Calochortus palmeri var. palmeri Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  UC69799  Calochortus plummerae J. Q. Adams 1905-6-24 Los Angeles Santa Monica Mts. Comment
  SBBG108154  Calochortus splendens S. L. Crockett, S. A. Junak, M. L. Hoefs, J. Takara 1997-3-28 624 Los Angeles N side of Cherry Harbor, overlooking mud flats 48 Comment
  SBBG66301  Calycoseris parryi R. Hoffmann 1932-4-26 Los Angeles Harold Comment
  LA50076  Calystegia macrostegia subsp. cyclostegia Elizabeth Levine; sn Los Angeles Santa Monica Mountains, Point Dume Comment
  LA81926  Calystegia macrostegia subsp. cyclostegia O. H. Kappler; 1941-6-7 290 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA708688  Calystegia macrostegia subsp. intermedia Valerie L. Soza, Miriam Sidibeh 2003-3-26 1602 -b Los Angeles North side of La Tuna Canyon, Haines Canyon Park vicinity, southwest of Dorothy and Estepa Dr. intersection. 549 Comment
  UC625003  Calystegia macrostegia subsp. intermedia F. R. Fosberg 1931-3-23 S 4335 Los Angeles North Wall Santa Catalina Island, Descanso Canyon (Santa Catalina Island, Descanso Canyon) 40 Comment
  UC879425  Calystegia macrostegia subsp. intermedia J. Q. A. Fritchey 1889-3-30 Los Angeles Santa Catalina Island Comment
  CATA300  Calystegia macrostegia subsp. macrostegia Mark L. Hoefs 1973-6-5 320 Los Angeles Santa Catalina Island: By upper White's Landing Road 426 Comment
  UC1595268  Calystegia occidentalis subsp. fulcrata Tim Ross 1992-7-16 6690 Los Angeles near summit Mt. Gleason just e Military Reservation (San Gabriel Mountains); , nr summit Mt. Gleason 1901 Comment
  UCR238467  Calystegia peirsonii Orlando Mistretta, Christine Mistretta 2008-5-3 2630 Los Angeles Transverse Ranges; Liebre Mountains, Southern California Edison transmission line tower (Segment 5, structure 31 per TRTP Survey 2008), in the vicinity of Portal Ridge, southeast of Elizabeth Lake Road 959 Comment
  RSA764505  Calystegia peirsonii Orlando Mistretta, Christine Mistretta 2008-5-1 2591 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 44 per TRTP survey, 2008), in the vicinity of Ritter Ridge. 1047 Comment
  RSA729727  Camissonia R. G. Swinney 1999-6-18 7329 Los Angeles San Gabriel Mtns.: Boulder Canyon north of Big John Flat. 1573 Comment
  SDSU8606  Camissonia H. Wedberg, T. Bruhns and B. Mastro 1967-5-20 1378 D Los Angeles 9.2 mi. from Hwy 138 on the road to Lake Huges and Palmdale (N2). Comment
  IRVC26435  Camissonia bistorta A. C. Sanders 2003-4-29 25699 Los Angeles Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. Western San Gabriel Mtns. 396 Comment
  UCR126567  Camissonia bistorta A. C. Sanders, Andy Thomson 2003-4-15 26017 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, disturbed alluvial flat c. 500 ft. south of Magic Mountain theme park 351 Comment
  RSA249920  Camissonia bistorta Joseph A. Ewan 1933-6-29 10812 Los Angeles Playa Del Rey, Ballona Marshes Comment
  RSA0073369  Camissonia californica R. G. Swinney 2010-3-16 11947 Los Angeles San Gabriel Mountains/Verdugo Mountains: Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  RSA454716  Camissonia campestris subsp. campestris H. Wells 1968-3-30 13 Los Angeles Mojave Desert, 3.1 miles N of junction of Palmdale Blvd and State Highway 14, on Highway 14, West 1.4 miles junction of State Highway 14 and side road, on side road. Comment
  RSA570282  Camissonia campestris subsp. campestris Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4958 Los Angeles Soledad Canyon Wash: about half mile E of Acton. 829 Comment
  POM3336A  Camissonia cheiranthifolia subsp. suffruticosa L. R. Abrams 1901-5-28 1769 Los Angeles Ballona Harbor Comment
  POM38394  Camissonia cheiranthifolia subsp. suffruticosa Marcus E. Jones 1900-7-12 s.n. Los Angeles Long Beach. Comment
  RSA186683  Camissonia guadalupensis subsp. clementina Peter H. Raven 1962-5-8 17628 Los Angeles On dunes on western side of island opposite Wilson Cove, San Clemente Island. 30 Comment
  RSA656470  Camissonia hirtella Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 696 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. 579 Comment
  RSA75437  Camissonia hirtella F. W. Peirson 1918-5-4 2309 Los Angeles Summit of Santa Monica Range, above Brents on the Malibu Comment
  UCR270969  Camissonia hirtella R. G. Swinney 2011-4-28 14534 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
  POM97147  Camissonia ignota P. A. Munz 1925-4-23 9412 Los Angeles San Gabriel Canyon. 305 Comment
  UCR51994  Camissonia micrantha Steve Boyd, T. S. Elias 1987-4-14 2034 Los Angeles San Gabriel Mtns., Rincon to Red Box Road, south of Rincon Forest Station, north of Glendora 991 Comment
  RSA590916  Camissonia pallida subsp. pallida Orlando Mistretta 1994-4-12 1006 Los Angeles San Gabriel Mountains, Little Rock Creek. Slopes E of Little Rock Reservoir. 1006 Comment
  RSA579798  Camissonia strigulosa Tim S. Ross, Steve D. Boyd 1994-5-24 7846 Los Angeles Northeast summit of Grass Mountain: north slopes draining toward Elizabeth Lake; south slopes toward Green Valley. 1384 Comment
  RSA599274  Camissonia strigulosa Steve Boyd, Lauren Raz 1997-3-31 9448 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 914 Comment
  UC873949  Camissonia strigulosa I. W. Clokey and B. C. Templeton 1930-4-8 4671 Los Angeles San Fernando Road 300 Comment
  SDSU8601  Camissoniopsis bistorta A. H. Gallup 1949-3-18 346 Los Angeles Claremont-open fields on Amhearst Ave. 382 Comment
  UCSB4415  Camissoniopsis cheiranthifolia subsp. suffruticosa Crum, Charles 1958-7-19 Los Angeles Topanga Canyon Comment
  UCR60823  Canbya candida Steve Boyd, Orlando Mistretta 1986-3-31 1557 Los Angeles Mojave Desert, Hwy 138, 4 mi east of junction with Hwy 18, NE of Pinyon Hills Comment
  RSA547470  Cannabis sativa T. S. Ross, Orlando Mistretta 1992-7-24 6761 Los Angeles Vicinity of Strawberry Spring, 76 deg. ENE, 900 m distant from Strawberry Peak summit 1460 Comment
  LA200317  Capsella bursa-pastoris M. Zartlin; 1951-3-10 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  CAS-BOT-BC174798  Cardamine californica Tim Ross; Steve Boyd 1993-5-23 7275 Los Angeles Lower portion of steep, northerly draw draining from saddle between Red Mtn's long E ridge and a small notched peak (3227-ft), to upper Clearwater Canyon, ca 270-340 m SW of Plum Spring 829 Comment
  UCR9217  Cardamine californica D. H. Wilken 1965-2-20 30 Los Angeles Western Transverse Range; Santa Monica Mtns., along Mulholland Hwy., just south of Seminole Hot Springs 549 Comment
  JEPS53397  Cardamine californica var. integrifolia Frank W. Peirson 1918-10-16 265 Los Angeles Pacoima Canyon San Gabriel Mts., Pacoima Canyon (San Gabriel Mountains) 548 Comment
  SD232637  Cardaria pubescens A. C. Sanders, E. J. Lott 1993-5-6 13969 Los Angeles Mojave Desert: 13 miles N of Palmdale, Sierra Hwy at Ave F. 701 Comment
  RSA0018990  Carex alma Steve Boyd, Valentin Arvizu, R. E. Riefner 2006-9-21 11685 Los Angeles Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  RSA0091347  Carex alma R. G. Swinney 2011-5-12 14707 Los Angeles San Gabriel Mountains: along Cabin Canyon Creek near the confluence with Aliso Cyn. 1195 Comment
  RSA0116661  Carex alma R. G. Swinney 2008-7-12 9180 Los Angeles San Gabriel Mtns.; San Dimas Experimental Forest, Volfe Canyon 0.4 mi. north of confluence with Big Dalton Canyon. 622 Comment
  SEINET3896999  Carex alma Tim Ross, Peter Fritsch 1990-6-20 3637 Los Angeles San Gabriel Mountains: mouth of Burro Canyon near the confluence of the E and W Forks of the San Gabriel river.; 0 445 Comment
  UC1595356  Carex alma Tim Ross 1992-5-17 6348 Los Angeles 25 degrees nne, 885 m distant from East Fork Station (just ne of Heaton Flat, in small lateral canyon draining w to the SG River); San Gabriel Mountains, E Fork of the San Gabriel River 694 Comment
  RSA641643  Carex athrostachya L. C. Wheeler 1967-9-3 10622 Los Angeles San Gabriel Mountains: 0.2 mile northeast Twin B.M. summit Mount Waterman 2362 Comment
  RSA729656  Carex athrostachya R. G. Swinney 1998-9-7 6938 Los Angeles San Gabriel Mtns.: Dawson Peak Ridge Trail at far NE tributary of upper Fish Fork San Gabriel River, 1.3 mi. west of Dawson Peak 2524 Comment
  CAS-BOT-BC21306  Carex fracta John Thomas Howell 1947-7-18 23424 Los Angeles San Gabriel Mountains. Big Pines. 2103 Comment
  SEINET7559875 Image available Carex globosa Louis C. Wheeler 1968-5-24 s.n. Los Angeles San Gabriel Mountain, Northwest slope Smith Mt, along Bear Creek Trail. 1250 Comment
  POM122313  Carex hassei Marcus E. Jones 1926-7-8 s.n. Los Angeles San Antonio Peak. Comment
  CAS-BOT-BC32080  Carex multicaulis W. R. Dudley 1900-7-9 s.n. Los Angeles San Gabriel Peak. Comment
  CAS-BOT-BC117937  Carex schottii Ernest Braunton 1903-1-20 798 Los Angeles Oak Knoll Comment
  UC72397  Carex schottii Geo. B. Grant Feb 1903 137 Los Angeles Pasadena Southern California Comment
  RSA629718  Carex spissa L. C. Wheeler 1947-5-4 6480 Los Angeles San Gabriel Mountains: San Gabriel Canyon, 1/4 mile upstream from mouth. Comment
  SEINET11633224  Carex spissa H. E. Hasse 1888-1 Los Angeles Comment
  JEPS45922  Carex subfusca Victor Duran 1933-7-21 3524 Los Angeles Buckhorn San Gabriel Mts., Buckhorn 1981 Comment
  RSA729428  Carex subfusca R. G. Swinney 1998-7-14 6427 Los Angeles Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine. Spring and meadow surrounded by montane coniferous forest; area burned in summer 1997. 2195 Comment
  SBBG57202  Carex subfusca R. Hoffmann 1929-5-19 Los Angeles Los Angeles Recreation Park 1828 Comment
  JEPS48987  Carex subfusca Joseph Ewan 1932-6-15 7342 Los Angeles Horse Flats San Gabriel Mts., Pinyon Flat region, Horse Flats Comment
  RSA310144  Carex subfusca Wayne E. Sawyer 1981-6-29 70 Los Angeles 1.6 mi W of Dawson Saddle 2301 Comment
  RSA607973  Carex subfusca L. C. Wheeler 1968-7-21 s.n. Los Angeles San Gabriel Mountains: East Fork Alder Creek off Big Tujunga, at below Charlton Flat; future dam site. Comment
  CAS-BOT-BC115672  Carex triquetra George B. Grant 1901-4-1 3807 Los Angeles Pasadena Comment
  RSA0011154  Carya L. M. Prince, Lucinda A. McDade, Norm Ellstrand, Pace Lubinsky, Andrea Kaus 2008-8-18 512 Los Angeles Bonelli Park, San Dimas 315 Comment
  POM155672  Castilleja affinis M. B. Dunkle 1928-5-13 1957 Los Angeles Pebbly Beach Canyon, Santa Catalina Island. 46 Comment
  LA51999  Castilleja affinis Peter H. Raven; 1960-5-15 15357 Los Angeles SANTA MONICA MOUNTAINS1, Piuma Road 2.1 mi. E of Rambla Pacifica. 487 Comment
  SBBG42275  Castilleja affinis R. Moran 1941-2-25 609 Los Angeles N of Wilson's Harbor 50 Comment
  RSA600348  Castilleja affinis subsp. affinis Steve D. Boyd, Lauren Raz 1997-3-26 9382 Los Angeles Liebre Mountains region: Sierra Pelona Ridge, Willow Spring on the southern flank of Martindale Canyon near the northern end of Bouquet Canyon, south of the upper end of the reservoir along Forest Service Road 6N08. 1311 Comment
  UCR204927  Castilleja applegatei subsp. martini R. F. Thorne, M. Z. Thorne 1969-7-9 38526 Los Angeles San Gabriel Moutains, just south of Big Meadow, Big Pines 2088 Comment
  RSA305828  Castilleja applegatei subsp. martinii James R. Shevock 1970-4-23 145 Los Angeles Topanya Canyon. 427 Comment
  SFV3412  Castilleja exserta M. L. Vincent 1962-3-30 157 Los Angeles Santa Monica Mountains Mulholland Highway, 2 miles west of Old Topanga Canyon Road. Roadside. 440 Comment
  UCSB6116  Castilleja exserta subsp. exserta Ellis, Richard 1960-4-11 Los Angeles Tapia park; on Malibu Cyn Rd; approx. 8 mi N of 101 hiway 609 Comment
  SFV6449  Castilleja exserta subsp. venusta T. Gordon, W. C. Willig, K. A. Wilson, D. R. Perry 1974-4-28 202 Los Angeles Mojave Desert Antelope Valley. Llano. 165th Street East and T8 Avenue. 900 Comment
  JEPS8767  Castilleja foliolosa Frank W. Peirson 1918-5-19 208 Los Angeles Echo Mt. San Gabriel Mountains 762 Comment
  UC1063296  Castilleja foliolosa A. D. Gifford 1935-4-10 555 Los Angeles 6.75 mi nw Redrock Mountain; Angeles National Forest, Tejon Quad. 1097 Comment
  UC885209  Castilleja foliolosa I. W. Clokey and B. C. Templeton 1930-4-8 4722 Los Angeles San Francisquito Canyon 900 Comment
  RSA587156  Castilleja foliolosa Orlando Mistretta 1995-4-28 1652 J Los Angeles Kitter Canyon; Slopes W of main canyon. 1280 Comment
  JEPS14042  Castilleja linariifolia Rimo Bacigalupi 1952-8-9 3900 Los Angeles at mouth of Holcomb Canyon, along Big Rock Creek canyon road, n base of the San Gabriel Range Holcomb Canyon; San Gabriel Range 1188 Comment
  RSA429525  Caulanthus heterophyllus var. heterophyllus Anstruther Davidson 1893-05 s.n. Los Angeles Rubio Canon, Los Angeles. Comment
  UCR276780  Caulanthus lasiophyllus R. G. Swinney 2011-4-1 14309 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
  CAS-BOT-BC47913  Ceanothus arboreus Geo. B. Grant 1898-2-20 1588 Los Angeles Dry Hills, Avalon Comment
  RSA261699  Ceanothus arboreus Brandegee 1889-05 s.n. Los Angeles Santa Catalina Island Comment
  SD45611  Ceanothus arboreus D. F. Howe 1953-5-2 2271 Los Angeles Wain Canyon, Catalina Island Comment
  UCR143394  Ceanothus arboreus Reid Moran 1941-2-23 607 Los Angeles Channel Islands, ridge between Johnson's Valley and Howland's Valley [above Sullivan's Landing], Santa Catalina Island 400 Comment
  UCR272940  Ceanothus cordulatus R. G. Swinney 2011-7-29 15581 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  LA52213  Ceanothus crassifolius A. M. Johnson; 1932-5-30 4109 Los Angeles Santa Monica Mountains, Brent's Mountain, Crag's Camp 152 Comment
  SBBG119978  Ceanothus cuneatus var. cuneatus A. C. Sanders 2003-4-30 26198 Los Angeles Castaic Valley at W foot of Castaic Mesa, Newhall Ranch 366 Comment
  JEPS42398  Ceanothus integerrimus Frank W. Peirson 1920-5-16 2138 Los Angeles Tujunga Canyon San Gabriel Mts. 518 Comment
  JEPS42399  Ceanothus integerrimus Frank W. Peirson 1918-5-26 111 Los Angeles Toll Rd San Gabriel Range, Mt. Wilson 1143 Comment
  RSA529183  Ceanothus integerrimus Tim S. Ross, S. D. Boyd 1991-7-24 5674 Los Angeles Granite Mountain vicinity: ridge NNE of Granite Mountain. 1927 Comment
  RSA653038  Ceanothus integerrimus A. C. Sanders, D. Malueg 1998-6-24 22076 Los Angeles San Gabriel Mtns.: 2 miles E of Mt. Gleason at Little Gleason Forestry Plantation, on So. Cal. Edison Mesa-Vincent transmission line at tower 7-2 1707 Comment
  RSA748444  Ceanothus integerrimus Orlando Mistretta 1992-8-20 s.n. Los Angeles Transverse Ranges; San Gabriel Mtns Region: Mt. Gleason. Tujunga Ranger District. Comment
  UCSB33721  Ceanothus integerrimus Griesel, Wesley 1961-5-16 Los Angeles State Highway #2, Charleton Flats, San Gabriel Mts 1524 Comment
  CAS-BOT-BC50568  Ceanothus leucodermis Timothy S. Ross 1993-6-1 7348 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail between Chatry Flat and Hoegee Camp (on Winter Creek), 768 Comment
  SBBG68457  Ceanothus leucodermis M. N. Ackley -Apr-1929 Los Angeles La Crescenta 365 Comment
  UCSB36660  Ceanothus leucodermis Brownell, Kathleen 1980-5-18 Los Angeles 3 mi. N of Hwy 83 on Mt. Baldy Rd.; San Gabriel Mtns.; Angeles National Forest 1127 Comment
  RSA399703  Ceanothus megacarpus var. insularis Freda Detmers 1929-4-13 s.n. Los Angeles Santa Catalina Island. Comment
  LA200805  Ceanothus megacarpus var. megacarpus Norman A. Cole; May 1964 352 .2 Los Angeles SANTA MONICA MOUNTAINS, 2.9 mi from Pacific Coast Hwy along Rambla Pacifico. 335 Comment
  RSA653928  Ceanothus oliganthus var. oliganthus Valerie L. Soza, Wayne Law, Laura Moore 2000-6-27 1032 a Los Angeles San Gabriel Mountains: Firebreak above Upper Winter Creek Trail, ca. 2 miles northwest of Chantry Flat along FS Road 2N41.2, north of San Olene Canyon. 850 Comment
  UC1070907  Ceanothus oliganthus var. oliganthus A. D. Gifford 1935-3-15 448 Los Angeles 2 mi ene Whitaker Peak; Tejon quad., Angeles National Forest 1066 Comment
  UC1071161  Ceanothus oliganthus var. oliganthus P. L. Johannsen 1934-1-5 214 Los Angeles Dry Canyon Calabasas quad. 609 Comment
  UCR150658  Ceanothus oliganthus var. oliganthus James Henrickson 2000-4-15 20707 B Los Angeles San Gabriel Mountains region, c. 1 mi SE of Newhall in Whitney Canyon, SE of junction of San Fernando Road and State Highway 14; 0.25-0.5 mile east of Highway 14; within 200 ft of Hwy 488 Comment
  RSA95348  Ceanothus oliganthus var. oliganthus F. W. Peirson 1918-6-30 113 Los Angeles Eaton Canyon, south face of San Gabriel Mts. Fruiting branch from 4400 feet on Mt. Wilson Trail. 1341 Comment
  LA82208  Ceanothus spinosus O. H. Kappler; 1941-3-30 161 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA128280  Ceanothus spinosus H. J. Thompson 1959-3-27 1891 Los Angeles Santa Monica Mountains: Saddle Peak, 1.5 miles east of peak. 750 Comment
  UCR133585  Ceanothus spinosus Tema S. Clare 1929-3-3 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Topanga Canyon Comment
  UC1211122  Ceanothus thyrsiflorus Huron H. Smith 1912-4-30 4874 Los Angeles Mt. Wilson 1036 Comment
  UCR204759  Centaurium exaltatum R. G. Swinney 2005-8-9 8433 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  RSA69808  Centaurium exaltatum Louis C. Wheeler 1932-6-26 874 Los Angeles 6 mi. from mouth San Gabriel Canyon, San Gabriel Mts. 305 Comment
  RSA607828  Centaurium venustum Louis C. Wheeler 1947-7-4 6539 Los Angeles San Gabriel Mountains: El Prieto Canyon, off Millard Canyon. Comment
  POM153274  Centaurium venustum Hulbert 1928-05 s.n. Los Angeles 1 mile west of Azusa Comment
  CAS-BOT-BC279598  Centromadia pungens subsp. pungens Roxana S. Ferris 1918-6-12 893 Los Angeles Between Oban and Lancaster Comment
  RSA587350  Centrostegia thurberi Orlando Mistretta 1992-5-4 225 Los Angeles Little Rock Creek, Alimony Ridge. 1463 Comment
  RSA613604  Centrostegia thurberi Louis C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 Comment
  UCR231910  Centrostegia thurberi Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-20 8064 Los Angeles Mojave Desert, Antelope Valley, north of Palmdale and west of Air Force plant, 50 m west of Sierra Highway and 325 m north of Avenue N 779 Comment
  POM308939  Cerastium glomeratum Kay H. Beach 1944-9-11 690 Los Angeles Tanbark Flat ; Lysmiter area, San Dimas Experimental Forest 762 Comment
  RSA453263  Cercocarpus betuloides M. B. Dunkle 1928-2-19 1711 Los Angeles Black Jack Mountain, Santa Catalina Island. Comment
  RSA779449  Cercocarpus betuloides R. G. Swinney 2009-6-17 11220 Los Angeles Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  UCR258881  Cercocarpus betuloides R. G. Swinney 2010-8-16 13533 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  LA52110  Cercocarpus betuloides var. betuloides Carl Epling; January 1925 6679 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  CAS-BOT-BC137244  Cercocarpus betuloides var. blancheae June Giddings 1924-8-1 s.n. Los Angeles Santa Catalina Island - Summit Comment
  SBBG32102  Cercocarpus betuloides var. blancheae R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -185 Los Angeles Wild Boar Gully Comment
  UC114157  Cercocarpus betuloides var. blancheae J. W. Toumey 1899-9-15 Los Angeles Catalina Island Comment
  CAS-BOT-BC279513  Chaenactis artemisiifolia W. R. Dudley 1900-7-9 s.n. Los Angeles Mount Lowe Comment
  JEPS8890  Chaenactis artemisiifolia Samuel B. Parish 1887-6-1 1932 Los Angeles Glendale Comment
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Jun 18 2007
  RSA0057924  Chaenactis artemisiifolia Richard G. Swinney 2010-6-23 13339 Los Angeles San Gabriel Mountains/Verdugo Mountains: Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace. 335 Comment
  UCD130217  Chaenactis artemisiifolia Daryl Koutnik; Vickie Dawes 1978-5-12 2 Los Angeles Decker Road, south of Carlisle Road. 487 Comment
  UC54170  Chaenactis glabriuscula var. glabriuscula R. D. Williams 1902-3-1 Los Angeles Claremont Comment
  SD237306  Chaenactis santolinoides R. G. Swinney 2008-7-3 9149 Los Angeles San Gabriel Mtns.: Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp. 2329 Comment
  UCR190889  Chaenactis santolinoides R. G. Swinney, Cody Clarke 2001-6-20 7993 Los Angeles San Gabriel Mtns., summit of Mt. Lewis, NW of Dawson Saddle 2560 Comment
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Feb 6 2013
  RSA710391  Chaenactis stevioides LeRoy Gross 2005-5-3 2253 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
  CAS-BOT-BC279715  Chaenactis xantiana Ernest C. Twisselmann 1962-4-18 6953 Los Angeles Tehachapi Mountains. Oso Canyon, 0.5 mile west of Coe Field fence 1036 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
  RSA752640  Chaenactis xantiana Amber Maurice, Laura Hoglin, Sylvia Rivera 2003-4-24 2 Los Angeles Gorman Pass, Tejon Ranch. Comment
  SEINET6053202  Chamaesyce albomarginata Unknown 1953-10-15 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  RSA607510  Chamaesyce serpens L. C. Wheeler 1973-6-15 s.n. Los Angeles Los Angeles: Between San Diego (405) Fwy and Sepulveda Blvd., just E of Alameda St. Comment
  LA32393  Chamaesyce serpyllifolia Peter H. Raven; Henry J. Thompson 1959-10-14 14628 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, E end of lake 220 Comment
  RSA423270  Chenopodium album Anstruther Davidson 1892-09 s.n. Los Angeles E. Los Angeles. Comment
  SD128656  Chenopodium berlandieri H. A. Wahl 1949-5-29 2078 Los Angeles One mile and a half west of the intersection of Mulholland Drive and Laurel Canyon Boulevard on Mulholland Drive, Santa Mts. Comment
  UCR147752  Chenopodium botrys L. C. Wheeler 1953-11-11 7054 Los Angeles District 5020, District 5020: Mission road El Sereno 124 Comment
  RSA624444  Chenopodium multifidum L. C. Wheeler 1932-9-4 1314 Los Angeles La Verne. 304 Comment
  SFV7497  Chenopodium murale W. C. Willig 1974-5-3 44 Los Angeles Santa Monica Mountains Agoura. 50 yards north of Lobo Vista Road, 0.75 miles west of Triunfo Canyon Road, Lobo Canyon. 245 Comment
  UCR231386  Chenopodium murale Dan S. Cooper 2011-10-6 1011- 121 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, Western Canyon, debris basin at north end of picnic area 205 Comment
  POM19132  Chenopodium murale P. A. Munz 1923-4-8 6623 Los Angeles San Clemente Island: west coast. 122 Comment
  RSA478545  Chenopodium murale Howard Mullins 1931-3-13 s.n. Los Angeles L.A. [Los Angeles] Vacant Lots and waste places in the city, roadsides Comment
  RSA620018  Chenopodium pumilio LeRoy Gross 1998-11-21 102 Los Angeles San Gabriels Mountains.: Henninger Flats. 801 Comment
  RSA661189  Chlorogalum pomeridianum var. pomeridianum LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 405 Los Angeles Vedugo Mountains Region: 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 427 Comment
  UC1134563  Chlorogalum pomeridianum var. pomeridianum Jerome S. Horton 1937-7-15 482 Los Angeles Tanbark Flat Pomona Quadrangle Comment
  CAS-BOT-BC126715  Chorispora tenella A. C. Sanders 2010-3-30 37708 Los Angeles Mojave Desert: Antelope Valley, east of Lancaster and south of Redman, 90th St. East 0.35 mi. north of Ave. H 50 Comment
  UCR191697  Chorizanthe A. C. Sanders 2008-4-23 35072 Los Angeles Transverse Range; western San Gabriel Mtns., upper Cow Spring Canyon, gravelly draw on slope in side canyon to the east 1108 Comment
  RSA726192  Chorizanthe parryi Mark A. Elvin 2003-6-19 2948 Los Angeles Western Tansverse Range: hills west of San Martinez Grande Canyon and north of CA Hwy 126, Newhall Ranch 366 Comment
  RSA0038402  Chorizanthe parryi Lee Haines 1935-7-4 s.n. Los Angeles San Dimas Lookout road, San Gabriel Mts. Comment
  RSA29731  Chorizanthe parryi var. parryi Louis C. Wheeler 1932-5-27 765 Los Angeles Thompson Creek Dam near Claremont 488 Comment
  UCR222986  Chorizanthe perfoliata R. G. Swinney 2009-5-5 10641 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  RSA491782  Chorizanthe spinosa J. L. Reveal 1988-5-17 6794 Los Angeles Antelope Valley, along 60th Avenue 0.2 mile north of J. Street, on west side of the highway west of the Mira Loma Rehabilitation Center (or Detention Facilty), about 6 air miles west of Lancaster 716 Comment
  JEPS57799  Chorizanthe staticoides Ralph Hoffmann 1930-7-7 Los Angeles N Los Angeles County. Elizabeth Lake Canyon Comment
  POM243813  Chorizanthe staticoides F. R. Fosberg 1931-5-19 S 4917 Los Angeles Santa Catalina Island. Head of Swain's Canyon, base of Blackjack Mountain 350 Comment
  RSA616267  Chorizanthe staticoides Scott D. White, Pam De Vries 1998-5-15 6495 Los Angeles Soledad Canyon area; proposed quarry area N of Soledad Canyon. Road, S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Canyon. 579 Comment
  RSA653690  Chorizanthe staticoides Valerie L. Soza, Laura Moore 2000-5-10 866 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines to peak ''1936''. 579 Comment
  RSA682621  Chorizanthe staticoides Scott D. White, Michael Honer 2003-5-7 9209 Los Angeles Liebre Mountains: Tapia Canyon, about 2 air miles east of Interstate 5 junction at 'Old Ridge Route.' 427 Comment
  SD261006  Chorizanthe staticoides Andrew C. Sanders, D. Malueg 1998-6-22 22040 Los Angeles San Gabriel Mtns: Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon (Acton 7.5'Q) 1006 Comment
  UC1922231  Chorizanthe staticoides Valerie L. Soza, Laura Moore 2000-5-10 866 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines to peak ''1936''. Near 34deg 14' 28.7'' N 118deg 17' 59.5'' W T2N R14W NE/4, SW/4 & NW/4, Comment
  UCR209151  Chorizanthe staticoides Dan S. Cooper 2009-4-30 409- 3 .2 Los Angeles Western Transverse Range; eastern Santa Monica Mtns., NW shoulder of Cahuenga Peak, Griffith Park 511 Comment
  RSA579497  Chorizanthe watsonii Tim S. Ross, S. D. Boyd 1994-5-11 s.n. Los Angeles Sawmill Mountain: N slope of the W summit area, about headwaters of West Fork Devils Gulch. 1500 Comment
  RSA776389  Chorizanthe xanti var. xanti Orlando Mistretta, Christine Mistretta 2010-6-4 5254 Los Angeles Monte Cristo Canyon (tributary of Mill Creek Canyon), 3.0 miles SW of Mill Creek Summit, along Southern California Edison transmission line corridor. 1372 Comment
  RSA755610  Chrysolepis sempervirens R. G. Swinney 2008-7-25 9312 Los Angeles Twin Peaks, west peak. 2299 Comment
  UCR124727  Chrysolepis sempervirens B. C. Templeton 1932-7-21 5031 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  CAS-BOT-BC32822  Chrysothamnus corymbosus Adolph Daniel Edward Elmer 1902-6-1 3668 Los Angeles Lancaster Comment
  UCR204806  Chrysothamnus nauseosus R. G. Swinney 2005-8-26 8529 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, peak 6374, c. 1/2 mi. SW of Devils Chair 1943 Comment
  POM351966  Chrysothamnus nauseosus subsp. bernardinus F. R. Fosberg, Joseph A. Ewan 1931-8-11 S 5512 Los Angeles Islip Trail, S slope of Mt. Hawkins 1950 Comment
  POM118186  Chrysothamnus nauseosus subsp. hololeucus H. M. Hall 1917-10-27 10586 Los Angeles 16km W of Lancaster, Antelope Valley Comment
  UCR127639  Cirsium occidentale var. californicum Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2913 Los Angeles Santa Susana Mtns., Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. 915 Comment
  RSA151306  Cirsium occidentale var. occidentale Peter H. Raven 1962-4-10 17186 Los Angeles San Clemente Island. Small arroyo above Wilson's Cove 61 Comment
  UCR150847  Cirsium vulgare R. G. Swinney, Dave Larson 1999-5-15 7163 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  CAS-BOT-BC438754  Cistanthe monandra Le Roy Abrams 1901-4-7 1412 Los Angeles Verdugo Hills Comment
  RSA39032  Cistanthe monandra E. A. Purer 1932-5-14 s.n. Los Angeles El Segundo. Comment
  RSA0116828  Cistus incanus R. G. Swinney 2010-8-11 13488 Los Angeles San Gabriel Mountains; San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road. 595 Comment
  LA82396  Clarkia bottae O. H. Kappler; 1941-6-2 41 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA606174  Clarkia bottae Leota Brice 1930-6-2 s.n. Los Angeles San Gabriel Canyon. Comment
  UC1018329  Clarkia bottae H. Lewis and M. Lewis 1946-7-14 31 Los Angeles 0.6 mi from Sepulveda Blvd. (North Sepulveda Way); Santa Monica Mts. Comment
  UCR159913  Clarkia bottae Orlando Mistretta 1992-7-13 679 Los Angeles Transverse Ranges; San Gabriel Mountains region, Los Pinetos Spring Canyon Trail 915 Comment
  SEINET6043326  Clarkia dudleyana Scott D. White 1998-6-10 6713 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  RSA0016940  Clarkia dudleyana C. L. Hitchcock 1928-5-11 46 Los Angeles Above dam, San Dimas canyon. 1000 Comment
  RSA0089480  Clarkia epilobioides Steven A. Junak, Keri Kirkland 1998-4-30 SCa- 582 Los Angeles Santa Catalina Island. Along N side of ridge on N side of Hamilton Canyon. 243 Comment
  CAS-BOT-BC163702  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 1959-5-9 14166 Los Angeles Mulholland Hwy. 1 mile W. of Las Virgenes Rd. Malibu Creek drainage 304 Comment
  CATA528  Clarkia purpurea subsp. quadrivulnera Sara L. Crockett 1997-4-29 680 Los Angeles Santa Catalina Island: End of unnamed road, 0.4 mile beyond jct. with road leading to Bulrush Canyon/Salta Verde 451 Comment
  SD129447  Clarkia purpurea subsp. viminea John Adams 1963-5-28 29 Los Angeles Pomona College Wash, Claremont. 334 Comment
  RSA0049483  Clarkia unguiculata Richard G. Swinney 2010-5-7 12615 Los Angeles San Gabriel Mountains/Verdugo Mountains: Tujunga Valley, 150m to 0.2 miles west of I-210 Fwy. overpass along Haines Canyon stream channel/south fork of Big Tujunga Wash. 357 Comment
  RSA681344  Clarkia unguiculata LeRoy Gross, Bill Hogshead, Valerie Soza 2003-5-29 949 Los Angeles West end of the mountains: At junction (saddle) of Verdugo motorway and Wildwood Fire Road (Abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago)., We went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Mortorway) Basically a triangle. 564 Comment
  UC1870167  Clarkia unguiculata LeRoy Gross 2001-5-6 383 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Along trail that comes up from Morning Glow Way off of La Tuna Canyon Rd. city of Sun Valley Comment
  RSA0059501  Claytonia exigua subsp. exigua Timothy S. Ross, Steve Boyd, Laurel Arnseth 1991-4-30 4978 Los Angeles Soledad Canyon Wash between Acton and Paris. 835 Comment
  UCR178382  Claytonia parviflora subsp. parviflora LeRoy Gross 2003-3-7 754 Los Angeles Transverse Ranges: Verdugo Mountains Region, 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 427 Comment
  UCR200212  Claytonia parviflora subsp. parviflora Valerie Soza, LeRoy Gross, Adelina Munoz 2000-5-12 885 Los Angeles Verdugo Mountains, northeast side, Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. Fire road south from Engleheard Canyon to powerlines 396 Comment
  UCR259042  Claytonia perfoliata R. G. Swinney 2010-3-14 11897 Los Angeles San Gabriel Mountains, Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road 447 Comment
  RSA466686  Claytonia perfoliata subsp. mexicana C. B. Liter, J. A. Powell?? 1928-4-3 s.n. Los Angeles Santa Catalina Island. West of St. Catherine Hotel. Comment
  SDSU17713  Claytonia perfoliata subsp. mexicana S. H. Bullock 1968-5-23 158 Los Angeles San Gabriel Mountain Range. San Antonio Canyon off of the 'Old' Mount Baldy Road. 945 Comment
  CAS-BOT-BC440117  Claytonia perfoliata subsp. perfoliata Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-8 4360 Los Angeles San Clemente Island. E side of island, near Malo Point, third cyn S of Bryce Cyn. Comment
  UCR199959  Claytonia perfoliata subsp. perfoliata Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-18 1152 Los Angeles Transverse Ranges: Verdugo Mountains Region, ridgetop above McDonald Creek 427 Comment
  RSA466696  Claytonia perfoliata subsp. perfoliata John E. Marble 1898-3-17 202 Los Angeles Elysian Park. Comment
  RSA597512  Clematis lasiantha Louis C. Wheeler 1961-6-12 7863 Los Angeles San Gabriel Mountains. Pacoima Canyon at Bad Canyon. 1067 Comment
  UCR146484  Clematis lasiantha Scott D. White 2004-7-28 10663 Los Angeles San Gabriel Mtns., Clear Creek area. In and around the 'The Pines' Picnic area, immediately south of Angeles Forest Hwy, c. 0.5 mi west of jtn. with Angeles Crest Hwy. 1052 Comment
  RSA604720  Clematis ligusticifolia Louis C. Wheeler 1931-8-9 S- 6 Los Angeles San Antonio Canyon, San Gabriel Mountains. 915 Comment
  POM327  Clematis ligusticifolia var. californica D. L. Crawford 1915-06 s.n. Los Angeles Mountains near Claremont. Comment
  RSA317008  Cleome isomeris T. S. Elias, W. Wisura 1984-7-27 8528 Los Angeles North of Malibu; Point Dume. Comment
  RSA592784  Cleome isomeris Steve Boyd 1996-4-25 8682 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
  RSA650756  Cleome isomeris Eleanor McClung 1937-3-14 20 Los Angeles Palos Verdes Comment
  CAS-BOT-BC423118  Cleomella obtusifolia W. R. Dudley; F. H. Lamb 1896-6-4 4310 Los Angeles Lancaster Comment
  POM145686  Cleomella parviflora L. R. Abrams 1927-4-30 11750 Los Angeles West of Lancaster. Comment
  RSA682115  Collinsia heterophylla Valerie L. Soza, Bill Hoghead, Amber Maurice 2003-5-17 s.n. Los Angeles Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena; (Mt. Wilson). 915 Comment
  SBBG66394  Collinsia heterophylla R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  UCR184115  Collinsia heterophylla A. C. Sanders, T. B. Salvato 2007-4-24 33505 Los Angeles Tehachapi Mountains, hills above Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant 1082 Comment
  POM7692  Collinsia parryi Philip A. Munz, R. D. Harwood 1920-4-21 3684 Los Angeles San Dimas Canyon; South face of San Gabriel Mts 457 Comment
  UCR227624  Collinsia parryi Orlando Mistretta, Christine Mistretta 2010-5-26 5213 Los Angeles San Gabriel Mountains, Upper Mill Creek Canyon drainage, south of Mill Creek Summit, along Southern California Edison transmission line corridor 1463 Comment
  UCR263274  Collinsia parryi Anuja Parikh, Nathan Gale 2012-5-2 6583 Los Angeles Transverse Range: San Gabriel Mountains, West Fork San Gabriel River, 1.0 km east of Cogswell Reservoir 643 Comment
  POM47656  Collomia grandiflora F. W. Peirson 1924-5-28 4634 Los Angeles Hoyt Ranch, Tujunga Canyon, San Gabriel Mountains. 579 Comment
  HSC101283  Colutea arborescens R. G. Swinney 2009-3-28 10178 Los Angeles Transverse Range, San Gabriel Mtns.: Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi. up canyon 366 Comment
  UCR78319  Colutea arborescens Dennis E. Kucera 1992-6-4 92- 01 Los Angeles Transverse Ranges; San Gabriel Mountains, Santa Anita Canyon, junction of Sturdevant Falls Trail and trail to Sturdevant Camp and Mount Wilson 549 Comment
  CAS-BOT-BC59724  Comarostaphylis diversifolia subsp. planifolia Brandegee 1889-1-1 12 Los Angeles Santa Catalina Island. Comment
  SD48939  Constancea nevinii Reid Moran 1958-9-15 6820 Los Angeles San Clemente Island, canyon 1.8 miles southeast of Eel Point. 99 Comment
  UCR54034  Convolvulus arvensis S. J. Myers 1988-10-13 s.n. Los Angeles Mojave Desert, East Lancaster, at and near Little Rock Wash, between 40th St. E and 70th St. E and between Ave. L and Ave. J 734 Comment
  POM4074  Conyza bonariensis D. L. Crawford 548 Los Angeles Claremont. Comment
  RSA93265  Conyza bonariensis F. W. Peirson 1920-6-13 1348 Los Angeles Weed at 1085 New York Drive, Altadena Comment
  UCR152462  Conyza canadensis A. C. Sanders, Lee Jones 2005-4-8 29342 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  UCR210242  Conyza canadensis R. G. Swinney 2008-10-22 9661 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon, 0.5 mi. upstream from entrance of Old San Gabriel Canyon Rd. at El Encanto 244 Comment
  RSA82045  Cordylanthus rigidus subsp. setiger F. W. Peirson 1921-11-12 2793 Los Angeles Collins Ranch, north slope of Liebre Mts. 1220 Comment
  JEPS7040  Cordylanthus rigidus subsp. setiger Rimo Bacigalupi 1952-8-8 3895 Los Angeles just n Whitaker Summit (on US 99 - 1/4 mi off highway, at Oak Flat Public Camp); Angeles National Forest 640 Comment
  UCR281603  Coreopsis bigelovii R. G. Swinney 2014-4-17 16103 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
  LA84348  Coreopsis gigantea Peter H. Raven; 1960-3-15 13852 Los Angeles Santa Monica Mountains, Point Dume, above the beach 30 Comment
  UCR127885  Coreopsis tinctoria Mark A. Elvin, Kim Marsden 2003-8-8 2972 Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River, c. 100 m east of the Ventura Co. line 290 Comment
  POM73351  Corethrogyne filaginifolia R. L. Armacost 1928-9-30 s.n. Los Angeles Sawtelle. Comment
  SBBG8016  Corethrogyne filaginifolia H. and M. Dearing 1937-10-15 2892 Los Angeles Mint Cyn Comment
  UC625045  Cornus glabrata F. R. Fosberg 1931-4-24 S 4679 Los Angeles Santa Catalina Isl., Hamilton Canyon 60 Comment
  UC56496  Cornus sericea subsp. sericea Ernest Braunton Aug 1902 652 Los Angeles Oak Knoll Comment
  UCR220349  Coronopus didymus R. G. Swinney 2009-4-13 10316 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte 184 Comment
  LA201171  Coronopus didymus Arthur C. Gibson; 2003-5-4 4703 Los Angeles 518 Comment
  SFV17857  Cortaderia selloana J. N. Hogue 1998-11-19 130 .4 Los Angeles San Gabriel Mountains Mouth of San Gabriel Canyon on Highway 39. On steep (cliff) hillside on east side of road next to flowing seep. 244 Comment
  LA211076  Cotula australis Arthur C. Gibson; 2010-1-10 5278 Los Angeles Hollywood Hills, Griffith Park, along road near parking lot of Travel Town. Comment
  RSA682165  Crassula colligata subsp. lamprosperma B. Muns 2002-5-28 s.n. Los Angeles Santa Fe Dam Recreation Area, old San Gabriel River floodplain, on side of road leading to the Lario San Gabriel River Trail parking area, just north of Foothill Blvd. in the city of Irwindale. Comment
  CATA665  Crassula connata Mark L. Hoefs 1991-4-23 1154 Los Angeles Santa Catalina Island: Around upper White's Landing Road 451 Comment
  RSA0073146  Crassula connata var. connata R. F. Thorne, James Hendrickson 1963-5-5 32307 Los Angeles Open, burned-over ridge top, Cobal Canyon, foothills of San Gabriel Mts. 4 mi. North of Claremont 518 Comment
  CATA3179  Cressa truxillensis Julie L. King 2016-10-25 7 Los Angeles Santa Catalina Island: South of campsite #2 at Parsons Landing, in sand 6 Comment
  UC205034  Crocanthemum scoparium var. vulgare Katharine Brandegee Los Angeles Saugus Comment
  CAS-BOT-BC175841  Crossosoma californicum Carl B. Wolf 1932-5-9 3484 Los Angeles Santa Catalina Island. Left (E.) Fork of Pebbly Beach Canyon, 1/3 mi. above Mexican Houses 152 Comment
  RSA0071924  Crossosoma californicum Sabrina Lawrence-Gomez, Alexandria Cheung, Daniel Kasang, Miller Zou, Sarah Ratay 2011-7-8 35 Los Angeles Santa Catalina Island. Deer Valley Trail. 92 Comment
  LA50640  Croton californicus M. Zaitlin; 1951-8-4 sn Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  RSA316996  Croton californicus T. S. Elias, Walter Wisura 1984-7-27 8514 Los Angeles North of Malibu; Point Dume. Comment
  POM2752  Croton californicus var. tenuis C. F. Baker 1903-10-1 3700 Los Angeles Claremont. Comment
  CDA35296  Croton setiger Phillipson 1915-6-8 Los Angeles Monrovia. Comment
  UCD142088  Croton setiger Larry DeBuhr; Gary Wallace 1972-9-3 706 Los Angeles San Clemente Island; on top of Thirst Peak. 579 Comment
  RSA0115809  Crypsis vaginiflora Steven A. Junak 1999-9-11 SCa- 1099 Los Angeles Santa Catalina Island. W side of upper Buffalo SPrings reservoir. 433 Comment
  SD231250  Cryptantha barbigera Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 50506 88 Los Angeles Transverse Ranges; San Gabriel Mountains region: Bob's Gap. At the South edge of Bob's Gap. 1444 Comment
  RSA0089242  Cryptantha circumscissa var. circumscissa Steve D. Boyd, Gary D. Wallace 2011-4-14 12312 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
  RSA778747  Cryptantha clokeyi Orlando Mistretta, Christine Mistretta 2010-6-3 5247 Los Angeles Mill Creek Canyon, 1.80 miles SW of Mill Creek Summit, along Southern California Edison transmission line corridor. 1372 Comment
  SBBG126942  Cryptantha clokeyi A. Parikh, N. Gale 2011-6-23 3499 Los Angeles Iron Mtn, 1.6 km E of Angeles Forest Hwy, 1.1 km S of Monte Cristo Crk 1523 Comment
  UCR138545  Cryptantha dumetorum Steve Boyd 1986-3-31 1576 A Los Angeles Mojave Desert, Hwy 18 c. 1 mi east of junction with Hwy 138, NE of Pinyon Hills 1037 Comment
  LA94296  Cryptantha intermedia Carl Epling; 1961-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  POM368252  Cryptantha intermedia A. Menke 1955-3-26 s.n. Los Angeles Point Dume. Comment
  SBBG13157  Cryptantha intermedia E. R. Blakley 1962-6-10 5179 Los Angeles Triangulation Pt Thirst 598 Comment
  UC78696  Cryptantha intermedia T. S. Brandegee May 1889 Los Angeles San Pedro Comment
  UCR270968  Cryptantha intermedia R. G. Swinney 2011-4-28 14528 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
  SBBG119923  Cryptantha microstachys A. C. Sanders 2003-4-29 26163 Los Angeles Castaic Mesa, Newhall Ranch, N of Charlie Cyn and E of Lake Hughes Rd 396 Comment
  SEINET3152299  Cryptantha microstachys G. B. Grant 1904-5-24 241 Los Angeles Pasadena; Comment
  UCR125493  Cryptantha microstachys A. C. Sanders, Mark Elvin 2003-4-14 25979 Los Angeles Santa Clara River watershed, Newhall Ranch, c. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 305 Comment
  UCR258804  Cryptantha microstachys R. G. Swinney 2010-5-25 12983 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
  RSA0056250  Cryptantha muricata var. denticulata Orlando Mistretta 1990-5-16 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region: Vicinity of Big Pines. Mountain High Ski Area. 2098 Comment
  SEINET13383024 Image available Cryptantha muricata var. denticulata R. G. Swinney 2011-1 14886 Los Angeles Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1096 Comment
  RSA0079151  Cryptantha muricata var. denticulata F. R. Fosberg, J. A. Ewan 1931-8-11 782 Los Angeles San Gabriel Mts.: N fork of San Gabriel Canyon. Crystal Lake. 1600 Comment
  RSA0019854  Cryptantha muricata var. muricata Orlando Mistretta, Christine Mistretta 2011-6-29 5773 Los Angeles Vicinity of Mt. Gleason. Along Mt. Gleason Road, E of summit. 1762 Comment
  RSA0079624  Cryptantha muricata var. muricata David Charlton 1991-5-21 5235 Los Angeles Ritter Ridge, city park site, south of 30 St west terminus. Rolling steel ridges formed by San Andreas fault. 1037 Comment
  UCR47372  Cryptantha muricata var. muricata David Charlton 1986-6-15 227 Los Angeles San Gabriel Mtns, Angeles Crest Hwy, several miles north of Big Pine on shaded E-facing slope at the base of a roadcut 2134 Comment
  UC2049428  Cryptantha nevadensis var. rigida LeRoy Gross with Joy England, Naomi Fraga 2016-4-21 7534 Los Angeles Transverse Ranges; San Gabriel Mountains region: Arrastre Canyon. Started near mouth of canyon, near 34.44397N, 118.20032W . Ended on top of a small knoll, near 34.43011N, 188.18667W. Acton 7.5' Quad. Comment
  UCR205587  Cryptantha nevadensis var. rigida R. G. Swinney 2008-5-13 8866 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, Holcomb Canyon at junction with South Fork Trail 1390 Comment
  UCR223043  Cryptantha nevadensis var. rigida R. G. Swinney 2009-5-6 10662 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 1085 Comment
  RSA725890  Cryptantha oxygona R. G. Swinney 1996-5-27 4739 Los Angeles Eastern San Gabriel Mtns.: east of Table Mtn. and NW of Wright Ridge. 2252 Comment
  SBBG63850  Cryptantha oxygona R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  RSA756957  Cryptantha oxygona Orlando Mistretta, Christine Mistretta 2008-4-14 2454 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 18 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1240 Comment
  UC2049429  Cryptantha pterocarya var. pterocarya LeRoy Gross with Joy England, Naomi Fraga 2016-4-21 7551 Los Angeles Transverse Ranges; San Gabriel Mountains region: Arrastre Canyon. Started near mouth of canyon, near 34.44397N, 118.20032W . Ended on top of a small knoll, near 34.43011N, 188.18667W. Acton 7.5' Quad. Comment
  RSA0079032  Cryptantha pterocarya var. pterocarya L. C. Wheeler 1967-5-12 9448 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA0079335  Cryptantha pterocarya var. purpusii R. G. Swinney 1999-5-1 7091 Los Angeles San Gabriel Mtns./Mojave Desert: Graham Canyon, 2.4 miles south of Ft. Tejon Rd., c. 200 m north of Mescal Highlands Rd. 1341 Comment
  RSA772194  Cryptantha simulans R. G. Swinney 2009-5-27 10866 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  UCR146494  Cupressus arizonica Scott D. White 2004-7-27 10645 Los Angeles San Gabriel Mountains, Clear Creek area; roadside and hiking trail south side of Angeles Forest Hwy, c. 0.2 mi west of jct. with Angeles Crest Hwy; Condor Peak 1067 Comment
  UCR194584  Cuscuta R. G. Swinney 1998-7-24 6562 Los Angeles San Gabriel Mtns., Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge 2012 Comment
  CAS-BOT-BC224472  Cuscuta californica Alice Eastwood 1919-6-21 s.n. Los Angeles San Fernando Comment
  CAS-BOT-BC224492  Cuscuta californica Timothy S. Ross; Steve Boyd 1994-9-21 8284 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1708 Comment
  JEPS47113  Cuscuta californica K. Brandegee Los Angeles Ravenna Comment
  UC63986  Cuscuta californica Geo. R. Hall Sep 1904 Los Angeles Swartout Canyon San Antonio Mts. 2133 Comment
  SEINET891439  Cuscuta subinclusa Lewis S. Rose 1946-1 46245 Los Angeles Santa Monica Mountains, Mulholland Drive above Hollywood. Comment
  UC879581  Cuscuta subinclusa Ira W. Clokey, B. Templeton 1929-7-1 4590 Los Angeles Mandeville Canyon Santa Monica Mountains 200 Comment
  UCSB4999  Cuscuta subinclusa Ballard 1954-2-16 Los Angeles On Pomona College Campus 259 Comment
  JEPS47135  Cuscuta subinclusa Frank W. Peirson 1918-6-28 150 Los Angeles e of Rubio Canyon 609 Comment
  UC1409068  Cuscuta subinclusa Robert F. Thorne and J. Dourley 1967-10-3 37273 Los Angeles Vincent Gap Mt. Baden Powell 2286 Comment
  UCD169557  Cylindropuntia californica var. parkeri R. G. Swinney 2009-7-1 11297 Los Angeles Transverse Range; San Gabriel Mtns./San Gabriel Valley, San Gabriel River Wash, Azusa/Duarte border, 300 m north of Puente Largo railway bridge, west side of channel. 184 Comment
  SEINET10400893  Cylindropuntia echinocarpa Marc A. Baker, Bruce D. Parfitt 1987-4-15 7518 Los Angeles 1.3 km S of Pearblossom Hwy along 165th St. E.; ca. 4 km N. of Holcomb Ridge. 990 Comment
  SBBG130725  Cyperus S. A. Junak 2000-7-1 SCa 1369 Los Angeles NW side of Cape Canyon reservoir 329 Comment
  SBBG128261  Cyperus eragrostis M. L. Hoefs, S. A. Junak 1996-7-9 2737 Los Angeles lower Cape Cyn Reservoir, Cape Cyn 237 Comment
  CAS-BOT-BC114308  Cyperus esculentus George B. Grant 1902-10-26 s.n. Los Angeles Los Angeles. Comment
  SD252217  Cyperus odoratus Steven A. Junak 2000-10-12 Sca 1409 Los Angeles Santa Catalina Island. On N side of Thompson Reservoir. 195 Comment
  RSA507546  Cystopteris fragilis L. C. Wheeler 1967-9-2 10618 Los Angeles San Gabriel Mountains: Devil's Canyon, ca. 1/4 mile downstream from Devil's Canyon-Little Bear Creek Saddle 1951 Comment
  UCR206463  Cytisus striatus A. C. Sanders, T. B. Salvato 2009-5-20 36864 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines NE of Plaza Dr., SE of Montebello Blvd. and SW of San Gabriel Blvd. 108 Comment
  UC1536074  Dactyloctenium aegyptium Robert F. Thorne 1975-9-4 47388 Los Angeles Campus of USC Marine Science Center Santa Catalina Island, Fisherman's Cove Comment
  RSA596481  Datisca glomerata L. C. Wheeler 1967-5-24 9714 Los Angeles San Gabriel Mountains. Indian CanyonCampground 822 Comment
  UCR190613  Datisca glomerata R. G. Swinney 2000-6-25 7797 Los Angeles San Gabriel Mtns., west tributary of San Antonio Canyon, between Evey and Spruce canyons 939 Comment
  RSA653523  Datura wrightii LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 286 Los Angeles Verdugo Mountains: Intersection of Verdugo Mountainway and Hostetter Mountainway. 915 Comment
  RSA760605  Datura wrightii R. G. Swinney 2008-12-2 9926 Los Angeles Azusa, mouth of San Gabriel Canyon 0.8 mi. north of Foothill Blvd. 195 Comment
  RSA533995  Daucus pusillus T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5131 Los Angeles San Clemente Island: eastern escarpment, 1400 ft SSE of Jack (not Jack Point), and1350 ft. NW of the mouth of Larkspur Canyon 144 Comment
  LA203721  Deinandra clementina Jonathan Sauer; D. Johnson 1969-5-10 4487 Los Angeles San Clemente Island, central west coast N of Eel Point Comment
  SBBG12511  Deinandra clementina P. H. Raven 1962-4-9 17152 Los Angeles near barracks, Wilson Cove 60 Comment
  SBBG79700  Deinandra clementina F. R. Fosberg 1932-5-5 8110 Los Angeles hill N of Avalon 30 Comment
  SD132674  Deinandra clementina F. R. Fosberg 1931-5-17 S 4887 Los Angeles Santa Catalina Island; Little Harbor. Comment
  SD90456  Deinandra clementina Robert F. Thorne 1973-4-12 42888 Los Angeles San Clemente Island, plateau near Cutlass above old dam 199 Comment
  CAS-BOT-BC299320  Deinandra fasciculata Alice Eastwood 1906-5-27 4 Los Angeles Garvanza Comment
  UC897744  Deinandra fasciculata Ezra C. Knopf 140 Los Angeles Santa Catalina Island Comment
  LA93453  Deinandra fasciculata John O'Leary; Walt Westman 1975-7-7 418 Los Angeles Growing at he Institute of Environmental and Evolutionary Biology field station where planted as a fire retardent plant. UCLA Comment
  CATA1408  Delairea odorata Mark L. Hoefs, Steven A. Junak, Janet Takara, Keri Kirkland 1995-11-10 2556 Los Angeles Santa Catalina Island: Beach at Empire Landing 3 Comment
  UC450963  Delphinium cardinale F. A. MacF. 1931-6-24 2958 Los Angeles hillsides Verdugo Hills, Tuna Canyon Comment
  UC854072  Delphinium cardinale Alice Eastwood 1906-6-5 275 Los Angeles Roscoe Country adjacent to Los Angeles Comment
  RSA394514  Delphinium cardinale Robert L. Dressler 1949-6-19 898 Los Angeles SanDimas Wash, ca. 1 mile N of San Dimas. 671 Comment
  UCR172708  Delphinium decorum Jun Hu, Weena Sangkatavat 2000-4-22 05 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, 2 mi N of Altadena. First trail on the right immediately before Millard Campground 549 Comment
  PASA2542  Delphinium decorum Roy R. Eldridge Los Angeles Sierra Madre Canyon Comment
  SEINET12092462  Delphinium decorum I. W. Clokey, Anderson, E. G. 1935-1 6621 Los Angeles San Dimas Canyon Comment
  UCR272851  Delphinium glaucum R. G. Swinney 2011-7-29 15561 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  RSA587479  Delphinium parishii subsp. parishii Orlando Mistretta, S. D. Boyd, Darin Banks 1994-4-29 1128 Los Angeles San Gabriel Mountains, Santiago Canyon, slopes W of main drainage below Mt. Emma. 1341 Comment
  RSA398711  Delphinium parryi M. B. Dunkle 1928-5-13 s.n. Los Angeles Santa Catalina Island along Coach Road. Comment
  CAS-BOT-BC116259  Delphinium parryi subsp. parryi Ernest Braunton 1903-6-1 894 Los Angeles Glendale to Burbank Comment
  RSA490037  Delphinium patens subsp. hepaticoideum Anstruther Davidson 1892-06 s.n. Los Angeles Altadena. Comment
  RSA772588  Delphinium patens subsp. hepaticoideum Linda Heller 1973-5-8 49 Los Angeles Mouth of Mt. Evey Canyon, opposite San Antonio Reservoir; San Gabriel Mts. 793 Comment
  UC311365  Delphinium patens subsp. hepaticoideum Marcus E. Jones, A. M. 1882-5-2 3204 Los Angeles Pasadena Comment
  RSA0094080  Dendromecon rigida R. G. Swinney 2011-5-19 14788 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
  UCR124704  Dendromecon rigida B. C. Templeton 1932-6-1 4866 Los Angeles San Gabriel Mtns., Swarthout Valley, Angeles National Forest 2012 Comment
  RSA0077513  Dendromecon rigida G. Wallace 1964-5-14 s.n. Los Angeles San Gabriel Canyon. Comment
  POM365024  Deschampsia danthonioides Hasse, Davidson 1906-6-1 1601 Los Angeles Big Rock Creek. Comment
  RSA749037  Descurainia pinnata R. G. Swinney 2008-5-2 8739 Los Angeles Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  UCR170395  Descurainia pinnata John F. Green 2006-3-15 s.n. Los Angeles Mojave Desert, between Llano and Pearblossom, Hwy 138 at Big Rock Wash crossing, both sides of wash in zone being cleared for highway widening 963 Comment
  RSA585371  Descurainia pinnata subsp. glabra Timothy S. Ross 1991-4-27 4660 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line 1183 Comment
  UCR197723  Descurainia pinnata subsp. glabra Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 28 Los Angeles Transverse Ranges; San Gabriel Mountains, off Big Pines Hwy (Road N) on the north side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside 1444 Comment
  RSA628872  Descurainia pinnata subsp. halictorum L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains: Big Rock Creek, 3/4 mile north of Big Rock Springs. 1159 Comment
  RSA747879  Descurainia pinnata subsp. menziesii Justin M. Wood 2009-3-6 337 Los Angeles NW corner of Monte Vista Ave and Foothill Blvd., County line goes through property but most plants were collected in LA County. 402 Comment
  CAS-BOT-BC209178  Dichanthelium acuminatum subsp. acuminatum H. E. Hasse 1901-7-1 s.n. Los Angeles Cienega, below head of west fork San Gabriel Canyon Comment
  UC1215276  Dichelostemma capitatum Peter H. Raven 1962-4-9 17142 Los Angeles Wilson Cove San Clemente Island 60 Comment
  UCR271060  Dichelostemma capitatum R. G. Swinney 2011-6-6 15005 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  CAS-BOT-BC499446  Dichelostemma capitatum M. B. Dunkle 1940-3-18 7419 Los Angeles Hillside, west end of Santa Barbara Island, Comment
  RSA660833  Dichelostemma capitatum subsp. capitatum Gerald Braden, Lori Ackerman 1988-5-19 18 Los Angeles Strawberry Peak. Comment
  POM1682  Dichelostemma capitatum subsp. capitatum Philip A. Munz 1918-5-16 2253 Los Angeles Claremont Comment
  RSA251453  Dichelostemma capitatum subsp. capitatum Robert F. Thorne 1966-4-16 36054 Los Angeles San Clemente Island, c. 1/2 mile SSE of Eel Point, SW side of island 2 Comment
  POM356424  Dicoria canescens Anstruther Davidson 1892-08 s.n. Los Angeles Los Angeles. 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-BC152903  Diplacus brevipes Grant 1900-4-11 2423 Los Angeles Mt. Lowe, Pasadena 1524 Comment
  OBI78381  Diplacus brevipes Isabelle Tavares and Valera Brinson, Valera Brinson 1962-4-16 255 Los Angeles Bouquet Cyn rd, 3 mi S of Boquet Cyn Guard Station Comment
  SD77328  Diplacus johnstonii Francis W. Pennell 1940-6-24 25999 Los Angeles Shale loam and slide southwest of Swartout ( Big Pines) 2164 Comment
  CAS-BOT-BC150645  Diplacus longiflorus Dr. Barton W. Evermann 1916-5-5 s.n. Los Angeles Newhall Comment
  CAS-BOT-BC150659  Diplacus longiflorus Irene Mersereau 1911-8-7 1015 Los Angeles Verdugo [Canon] Canyon Comment
  SBBG17311  Diplacus longiflorus K. A. Wilson 1961-3-1 881 Los Angeles Mulholland Hwy about 1 mi W of Las Virgenes Hwy Comment
  CAS-BOT-BC150850  Diplacus puniceus Huron H. Smith 1912-6-14 5107 Los Angeles Silver Canyon, Santa Catalina Isl. 487 Comment
  CAS-BOT-BC150630  Diplacus rutilus Carl B. Wolf 1936-4-24 7773 Los Angeles Base of Santa Susana Pass 365 Comment
  RSA595128  Distichlis spicata Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8566 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
  SBBG128359  Distichlis spicata B. E. Carter 2012-8-23 7002 Los Angeles Two Harbors at top of Catalina Harbor 0 Comment
  LA35918  Dodecatheon clevelandii Peter H. Raven; 1960-4-2 14867 Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon, 2.6 mi N of Pacific Coast Hwy. 243 Comment
  RSA187819  Dodecatheon clevelandii subsp. insulare Robert F. Thorne 1966-4-7 35957 Los Angeles Cherry Valley, Santa Catalina Island. 46 Comment
  CAS-BOT-BC33364  Dondia taxifolia LeRoy Abrams 1902-6-10 2490 Los Angeles Playa del Rey Comment
  CAS-BOT-BC41604  Draba corrugata var. corrugata Le Roy Abrams; E. A. McGregor 1908-7-3 610 Los Angeles North Baldy Mountain. San Gabriel Mountains. 2743 Comment
  LA208045  Drymocallis glandulosa T. M. Seatt; May 1926 Los Angeles San Gabriel Mountains Comment
  UC535311  Dryopteris arguta Ira W. Clokey, B. Templeton May 1929 4539 Los Angeles Mandeville Canyon; Santa Monica Mts 350 Comment
  RSA720613  Dudleya cymosa subsp. ovatifolia Naomi Fraga, Janell Cassianni, Ryan Gilmore 2006-7-25 1733 Los Angeles Malibu Canyon, small side drainage just south of Malibu Canyon tunnel. 259 Comment
  RSA632116  Dudleya cymosa subsp. pumila F. W. Peirson 1932-6-26 877 Los Angeles San Gabriel Canyon 335 Comment
  RSA311423  Dudleya multicaulis O. F. Clarke 1977-6-7 s.n. Los Angeles near mouth of San Dimas Canyon Comment
  UCR190004  Dudleya saxosa R. G. Swinney, Vanessa Merritt 1998-6-12 6967 Los Angeles San Gabriel Mtns., 3 miles west of Pinon Hills, 2.1 mi. south of Ft. Tejon Rd. at 237th St. East (Mescal Cyn. Rd.), 0.7 mi. NE of mouth of Mescal Canyon at reservoir, between Mescal Cyn. Rd. and Mescal Creek 1378 Comment
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Apr 22 2010
  SDSU5749  Dudleya virens Jim Dice, Michael Donoghue & Terry Martin 1983-5-20 349 Los Angeles Santa Catalina Island, on bluff 0.1 km. east ofbeach at Little Harbor. 23 Comment
  UC2045314  Dudleya virens Reid Moran 1972-5-27 19143 Los Angeles Just east of Point Vicente. Comment
  POM365251  Echinochloa crus-galli Edwin Kline 1924-6-10 s.n. Los Angeles Los Angeles. Comment
  UCR219907  Echinochloa crus-galli R. G. Swinney, Jane Strong 2009-4-21 10413 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mi. north (upstream) of Puente Largo bridge 218 Comment
  CAS-BOT-BC445602  Echinodorus berteroi R. G. Swinney 2009-7-1 11295 Los Angeles Transverse Range; San Gabriel Mtns.: Puddingstone Diversion Dam, San Dimas Canyon. 354 Comment
  CATA1285  Ehrharta calycina Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-13 2372 Los Angeles Santa Catalina Island: Silver Peak Trail Road, off of Upper West End Road 475 Comment
  UC1922954  Ehrharta erecta LeRoy Gross, R. E. Riefner Jr. 2007-6-25 2828 Los Angeles [Transverse Ranges; Verdugo Mountains region]; Southeast side of the San Rafael Hills: Behind a power substation, below dam wall of a small pond. At end of Wierfield Drive. Near 305 Comment
  UCR98825  Elaeagnus angustifolia T. S. Ross, Steve Boyd 1990-6-18 3496 Los Angeles San Gabriel Mtns., Big Pines Hwy: roadside c. 900 m ESE from Jackson Lake, just on the west side of upper Mescal Creek drainage 1878 Comment
  UCR259248  Eleocharis R. G. Swinney 2010-6-4 13000 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  SBBG112956  Eleocharis macrostachya S. A. Junak 1998-6-12 SCa 729 Los Angeles impounded area of small cyn on E side of Catalina Harbor 36 Comment
  SEINET13384076 Image available Eleocharis macrostachya R. G. Swinney 2011-1 15297 Los Angeles Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  UCR178793  Elymus elongatus R. G. Swinney 1989-7-12 s.n. Los Angeles San Gabriel Mtns, Glendora Regional Wilderness Park, Big Dalton Canyon at 'Owl Flats', 1.5 miles NE of Glendora Mtn. Road 457 Comment
  CAS-BOT-BC227505  Elymus elymoides Roxana S. Ferris 1918-6-12 934 Los Angeles 5 miles south of Lancaster Comment
  RSA617471  Elymus elymoides Scott D. White 6762 Los Angeles Soledad Canyon area: proposed quarry area N of Soledad Canyon. Road, S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Canyon. 549 Comment
  RSA777874  Elymus elymoides R. G. Swinney 2009-6-17 11207 Los Angeles ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  CAS-BOT-BC207181  Elymus elymoides subsp. elymoides Timothy S. Ross; Steve Boyd 1990-6-18 3506 Los Angeles Ball Falt, 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages - San Gabriel Mountains 1767 Comment
  RSA597562  Elymus elymoides subsp. elymoides Timothy S. Ross, Peter W. Fritsch, Steve Boyd, Orlando Mistretta 1990-6-22 3755 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone 1707 Comment
  UCR194594  Elymus glaucus R. G. Swinney 1998-8-6 6679 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 Comment
  RSA623879  Elymus glaucus subsp. glaucus Arthur R. Kruckeberg 1940-11-9 783 Los Angeles One mile below Buckhorn Flat, San Gabriel Mountains. Comment
  UCR142727  Elymus glaucus subsp. glaucus L. C. Wheeler 1933-7-4 1893 Los Angeles San Gabriel Mtns, San Dimas Canyon 640 Comment
  RSA0105971  Elymus hispidus R. G. Swinney 2011-7-8 15509 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), the middle elevation (& smallest ) of three natural depressions at the north base of Strawberry Peak. 1171 Comment
  RSA0087070  Emmenanthe penduliflora R. G. Swinney 2010-5-4 12511 Los Angeles 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
  RSA660079  Emmenanthe penduliflora Orlando Mistretta 1992-5-25 414 Los Angeles Fenner Canyon Conservation Camp. 1738 Comment
  UCR124553  Emmenanthe penduliflora B. C. Templeton 1932-8-26 5092 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2088 Comment
  UCR190898  Emmenanthe penduliflora R. G. Swinney 1998-7-2 6212 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR259630  Emmenanthe penduliflora R. G. Swinney 2010-4-15 12216 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  SEINET10615744 Image available Encelia actoni Adolph D. E. Elmer Elmer 3724 Los Angeles Comment
  POM356645  Encelia californica F. H. Elmore 1939-2-18 393 Los Angeles San Clemente Island Comment
  RSA724501  Encelia californica K. Dobry 1991-5-17 625 Los Angeles Across from West Hills, off Chatsworth Resv. Valley circle Blvd. Comment
  UC1118060  Encelia californica R. St. John 1933-3-24 353 Los Angeles Aliso Canyon Santa Susana Quadrangle, Aliso Canyon Comment
  SEINET909622  Ephedra nevadensis Norman C. Cooper 1943-1 990 Los Angeles Lancaster. 762 Comment
  CAS-BOT-BC81964  Ephedra viridis Tim Ross; Steve Boyd 1990-5-29 2705 Los Angeles San Gabriel Mtns: Big Rock Creek. Vicinity of an old, destroyed homestead on the W side of the riparian strip, just 1240 Comment
  RSA383899  Ephedra viridis B. C. Templeton 1931-11-28 s.n. Los Angeles Holcomb Creek, Angeles National Forest. Comment
  RSA595129  Ephedra viridis Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8565 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
  UCR189710  Epilobium angustifolium R. G. Swinney 1998-7-14 6418 Los Angeles San Gabriel Mtns., Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine 2195 Comment
  SBBG131595  Epilobium brachycarpum S. A. Junak 1999-7-15 SCa 1019 Los Angeles KBRT Rd, W side of Coffeee Pot Cyn,, just upstream from rd crossing 414 Comment
  LA206170  Epilobium canum Louis C. Wheeler; 1931-9-26 160 Los Angeles SAN GABRIEL MOUNTAINS, 2 mi. N of Claremont. 411 Comment
  CAS-BOT-BC166217  Epilobium canum subsp. canum Francis M. Fultz 1923-11-18 1129 Los Angeles Millard's Canyon, San Gabriel Mts. Comment
  RSA588406  Epilobium canum subsp. canum Geo. L. Moxley 1919-8-24 s.n. Los Angeles Big Tujunga Canyon. Comment
  UC56486  Epilobium canum subsp. canum Ernest Braunton Oct. 1902 727 Los Angeles Oak Knoll Comment
  UC717982  Epilobium canum subsp. canum Reid Moran 1942-10-27 1438 Los Angeles ravine near top Santa Susana Grade Comment
  CAS-BOT-BC171931  Epilobium canum subsp. latifolium John Thomas Howell 1947-7-18 23415 Los Angeles Blue Ridge, San Gabriel Mts. 2590 Comment
  POM305720  Epilobium canum subsp. latifolium Henry J. Ramsey, Henry J. Ramsey 1937-6-27 934 Los Angeles Pine Canyon, Angeles National Forest Comment
  RSA0044699  Epilobium canum subsp. latifolium Jon Nickoloff 1973-10-21 504 Los Angeles C. 3 miles SE on Devil s Canyon Trail in stream bed; San Gabriel Mountains [Santa Susana Mts] 1067 Comment
  UCR189862  Epilobium ciliatum R. G. Swinney 1998-7-28 6513 Los Angeles San Gabriel Mtns., south fork of Cow Canyon at and above Fallen Leaf Spring, to 0.2 mi. south of Glendora Ridge Rd. 1427 Comment
  UCR258891  Epilobium ciliatum R. G. Swinney 2010-8-16 13524 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  RSA448474  Epilobium ciliatum subsp. ciliatum F. R. Fosberg, Joseph A. Ewan 1931-8-13 4962 Los Angeles Big Cienega above Crystal Lake, San Gabriel Mountains. 1982 Comment
  RSA458691  Epilobium ciliatum subsp. glandulosum F. R. Fosberg, Joseph A. Ewan 1931-8-12 4969 Los Angeles 1/2 mile west of Windy Camp, Mt. Islip. San Gabriel Mountains. 2287 Comment
  UC1586189  Epilobium densiflorum Tim Ross 1991-8-16 5824 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat USGS 7.5' quad (sandy bed of dry stream depression) 1719 Comment
  UCR209467  Epilobium densiflorum R. G. Swinney 2008-10-10 9562 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  RSA720601  Epilobium glaberrimum subsp. glaberrimum R. G. Swinney 1997-7-23 5733 Los Angeles upper Government Canyon, c 2 mi W of Wrightwood, Blue Ridge Mtn area. 2256 Comment
  CATA2948  Epipactis gigantea Sarah Ratay, Jack Baldelli 2011-4-13 134 Los Angeles Santa Catalina Island: In ""Fern Grotto"", side canyon W of Coffeepot Canyon, near Thunder Beach, population starts just upstream from old road crossing 233 Comment
  UC429310  Epipactis gigantea Geo. B. Grant June, 1904 Los Angeles Eagle Rock Canyon Pasadena Comment
  UC845351  Epipactis gigantea C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-5-13 4748 Los Angeles Bouquet Canyon 700 Comment
  RSA381696  Epipactis gigantea George Henry Grinnell s.n. Los Angeles Los Angeles. Comment
  RSA568560  Epipactis gigantea George Henry Grinnell 1932-5-31 s.n. Los Angeles Santa Monica. Comment
  IRVC28718  Equisetum hyemale A. C. Sanders, Mark A. Elvin 2002-8-26 25583 Los Angeles Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near "Airport Mesa" Northeastern Santa Susana Mtns./Santa Clara River Watershed 305 Comment
  RSA684602  Equisetum laevigatum M. B. Dunkle 1928-5-20 1964 Los Angeles Middle Ranch Gorge, Santa Catalina Island. 91 Comment
  POM156193  Equisetum telmateia var. braunii L. R. Abrams 1902-6-12 2531 Los Angeles Ballona Creek, near Mesmer. Comment
  UC817580  Eragrostis cilianensis Louis C. Wheeler 1932-8-13 1131 Los Angeles 2 mi n Claremont 411 Comment
  RSA651607  Eragrostis mexicana subsp. virescens G. T. Parks 1949-12-20 s.n. Los Angeles Found between Cypress and Bonita on Vincent right near the wash 198 Comment
  SBBG56813  Eragrostis pectinacea R. Hoffmann 1928-7-9 Los Angeles Lancaster Comment
  RSA668155  Eremalche exilis Ian Swift 2001-5-17 123 Los Angeles Upper Soledad Cyn., Santa Clara River wash, 0.5 mi. southeast of Acton. 939 Comment
  RSA187772  Eremocarpus setiger R. F. Thorne 1966-9-14 36655 Los Angeles Santa Catalina Island: behind Ben Weston Beach. 3 Comment
  RSA526633  Eremocarpus setiger Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4226 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. 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
  SFV5388  Eremogone macradenia J. Turner, F. M. Ball, C. Blake 1962-6-2 s. n. Los Angeles San Gabriel Mountains About 5 miles northwest of Big Pines on road to Valyermo. 1768 Comment
  CAS-BOT-BC162974  Eremothera boothii subsp. decorticans A. Davidson 1906-6-5 s.n. Los Angeles Big Rock Creek Comment
  RSA0107784  Eriastrum densifolium subsp. austromontanum Orlando Mistretta 1995-7-12 1913 Los Angeles Little Rock Creek. 1098 Comment
  UC23882  Eriastrum sapphirinum J. H. Barber 1897-6-22 168 Los Angeles San Fernando Valley Comment
  RSA0121826  Eriastrum sapphirinum subsp. dasyanthum LeRoy Gross, Valerie Soza 2001-5-31 391 Los Angeles Vedugo Mountains Region: Southeast side. Dead Horse Canyon. Collected on ridge north of this canyon 457 Comment
  CAS-BOT-BC514960  Eriastrum sapphirinum subsp. dasyanthum F. Grinnell Jr. 1910-6-20 s.n. Los Angeles San Gabriel Mts. Comment
  CHSC100688  Ericameria G. D. Wallace; Ann Hiller 1983-5-18 2057 Los Angeles Dirt road W of junction with Chesboro Road on Mt. Emma Rd. at 47th St. E. Gypsum area further along road. 945 Comment
  SDSU21095  Ericameria cooperi var. cooperi Ian Cain, Bruce Lund 2010-5-10 1405 Los Angeles North west of Lancaster. 420 meters north of intersection of West Avenue C and 170th Street West, just east of road 811 Comment
  SFV5398  Ericameria cooperi var. cooperi J. Turner, F. M. Ball, C. Blake 1962-6-2 s. n. Los Angeles San Gabriel Mountains Angeles Crest Highway [= Angeles Forest Highway], 4 miles south of junction with U. S. Highway 6. Roadside. 1220 Comment
  RSA747363  Ericameria cuneata Orlando Mistretta 1994-7-12 1397 A Los Angeles Transverse Ranges; San Gabriel Mtns region: Along trail, S. Fork of Big Rock Creek. Surveying from Reed Spring to Islip Saddle. Near Reed Spring 1829 Comment
  RSA359324  Ericameria cuneata var. cuneata Anstruther Davidson 1915-8-1 3086 Los Angeles Camp Baldy. Comment
  RSA737076  Ericameria cuneata var. cuneata Scott D. White, Justin M. Wood 2008-10-7 12557 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, between Bear Creek and Rincon Red Box Rd. 549 Comment
  POM359351  Ericameria ericoides var. ericoides Anstruther Davidson 1894-09 s.n. Los Angeles Redondo Comment
  JEPS31285  Ericameria linearifolia I. W. Clokey and B. C. Templeton 1930-4-8 4717 Los Angeles San Francisquito Canyon 700 Comment
  RSA0108883  Ericameria linearifolia R. G. Swinney 2010-5-21 12872 Los Angeles San Gabriel Mountains: unnamed ridgetop (summit 4322 ft), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. Angeles Forest Hwy. and Mt. Emma Rd. 1299 Comment
  SEINET13203275 Image available Ericameria nauseosa subsp. consimilis R. G. Swinney 2011-1 15864 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 (Crystal Lake 7.5' Q.) 1000 Comment
  CAS-BOT-BC298885  Ericameria nauseosa var. bernardina F. Grinnell Jr. 1917-8-30 s.n. Los Angeles Buckhorn Canyon, San Gabriel Mts Comment
  RSA0022625  Ericameria palmeri var. pachylepis D. Propst 1990-10-9 s.n. Los Angeles Santa Catalina Island. West end of island. Comment
  UCR182242  Ericameria parryi R. G. Swinney 1997-9-6 5868 Los Angeles San Gabriel Mountains., Forest Service Rd 4N06 (up Mescal Canyon), 0.8 mi N of Big Pines Rd. 1744 Comment
  CAS-BOT-BC293132  Ericameria pinifolia B. 1903-8-1 4076 Los Angeles Claremont Comment
  RSA0035473  Ericameria pinifolia R. G. Swinney 2009-11-16 11629 Los Angeles Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  POM359461  Ericameria pinifolia L. E. Hoffman 1934-6-14 s.n. Los Angeles Trail Canyon, Angeles Forest. Comment
  SD69733  Erigeron bonariensis Robert F. Thorne 1966-4-28 36187 Los Angeles Santa Catalina Island; Avalon, at SCI Co. parking lot. 14 Comment
  SBBG31360  Erigeron canadensis R. F. Thorne 1966-9-14 36668 a Los Angeles behind dunes at Little Harbor 4 Comment
  OBI70313  Erigeron foliosus Louis C. Wheeler 1970-7-25 s.n. Los Angeles San Gabriel Mts: Heliport 0.3 mi N of South Mt Hawkins 2286 Comment
  UCR259088  Erigeron foliosus R. G. Swinney 2010-9-9 13752 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  CAS-BOT-BC296178  Erigeron foliosus var. foliosus Carl Epling; Nesta Dunn; Alice Goen 1931-5-16 s.n. Los Angeles Cajon Pass, San Gabriel Mountains Comment
  JEPS81721  Erigeron foliosus var. foliosus Rimo Bacigalupi with Reino Alava 1958-7-20 6402 Los Angeles Charleton Flat San Gabriel Mountains, Angeles National Forest (close to Angeles Crest Highway (State Highway 2)) 1623 Comment
  RSA0082415  Erigeron foliosus var. foliosus R. G. Swinney 2010-9-7 13682 Los Angeles Crystal Lake, within 50 ft. of shore line around the entire perimeter. 1683 Comment
  CAS-BOT-BC296198  Erigeron foliosus var. foliosus F. Grinnell Jr. 1917-8-29 s.n. Los Angeles Mt. Waterman Ridge, San Gabriel Mountains Comment
  UC1584723  Erigeron foliosus var. foliosus Tim Ross and Annette Ross 1991-6-3 5526 Los Angeles nw slope of hill Elephant Hill 286 Comment
  SEINET10877200  Eriodictyon californicum George Yatskievych, Michael D. Windham; Fay, Wei Li 2011-5-12 Yatskievych 11 -16 Los Angeles Along dirt road (Big Rock Creek Road) to South Fork campground, heading S off Big Pines Highway, Angeles National Forest, N side of San Gabriel Mountains. 1254 Comment
  RSA455002  Eriodictyon crassifolium Ora M. Clark 1929-3-24 1780 Los Angeles Santa Susana Mountains. Comment
  RSA0116165  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-5-29 13246 Los Angeles San Gabriel Mountains; May Canyon Truck Trail, 0.3-1.5 miles north of Veterans Park, west of Loop Canyon on FS Rd. 3N54. 610 Comment
  RSA401526  Eriodictyon crassifolium var. nigrescens Robert M. Perkins 1936-5-3 159 Los Angeles San Gabriel Canyon. Comment
  UC1124350  Eriodictyon crassifolium var. nigrescens A. Simontacchi 1935-5-26 51 Los Angeles 3 mi sse of Neenach 1036 Comment
  RSA141602  Eriodictyon traskiae Percy C. Everett 1960-9-28 24297 Los Angeles Catalina Island, N slope of Mt Black Jack, aong ridge road. 366 Comment
  RSA652154  Eriodictyon trichocalyx D. Bartholomew 1961-5-13 s.n. Los Angeles San Antonio Dam, along the Mt. Baldy Rd. Comment
  UC880714  Eriodictyon trichocalyx Louis C. Wheeler 1932-7-2 907 Los Angeles Browns Flat; San Gabriel Mts., Browns Flat 1310 Comment
  RSA393078  Eriogonum angulosum Anstruther Davidson 1879 Los Angeles Catalina [Island] Comment
  RSA746810  Eriogonum angulosum Michael Honer 2003-7-8 1844 A Los Angeles Tapia Canyon area, ca. 2 - 3 air miles west of I-5 Freeway junction with Ridge Rt. Rd. 396 Comment
  UCR186051  Eriogonum angulosum T. B. Salvato, H. Spencer Badet, Mitch Provance 2007-4-26 2082 Los Angeles Tehachapi Mountains Foothills/Western Antelope Valley, outwash plain below Bronco Canyon, c. 4 mi N of Hwy 138 965 Comment
  UCR94707  Eriogonum angulosum A. C. Sanders, E. J. Lott 1993-5-6 13939 Los Angeles Western Mojave Desert, 12 miles north of Palmdale, Sierra Hwy at Ave 'G', to 0.1 mi. NW of intersection 706 Comment
  CAS-BOT-BC241585  Eriogonum baileyi var. baileyi Frank W. Peirson 1928-9-4 8188 Los Angeles Rock Cr. 1 mile below Pallett Cr., Mohave [Mojave] Desert Comment
  RSA590668  Eriogonum brachyanthum Tim S. Ross, S. D. Boyd 1990-5-29 2686 Los Angeles SE edge of Valyermo: along NE side of Valyermo Rd from ca 3730-3750, then S of the road. 1143 Comment
  CAS-BOT-BC241893  Eriogonum cinereum A. C. Sanders; Karen Kirtland 2010-5-14 38349 Los Angeles South Coast: Palos Verdes Peninsula, San Ramon Canyon in city of Rancho Palos Verdes, near Los Angeles city boundary 201 Comment
  RSA393136  Eriogonum cinereum Anstruther Davidson 1910-7-5 2498 Los Angeles Redondo bluffs. Comment
  RSA65103  Eriogonum cinereum F. W. Peirson 1906-7-9 1761 Los Angeles Rustic Canyon. Comment
  RSA0004962  Eriogonum cinereum G. W. Barclay 1839-10-13 3051 Los Angeles Hills near San Pedro Comment
  RSA590669  Eriogonum cithariforme var. agninum Tim S. Ross, S. D. Boyd 1990-5-29 2669 Los Angeles Big Pines Hwy, mid-way between Caldwell Lake and Big Rock Springs, on the NE side of the knoll behind which Shoemaker Canyon turns to the NW. 1402 Comment
  CAS-BOT-BC242774  Eriogonum davidsonii Le Roy Abrams 1901-7-1 1889 Los Angeles West Fork of San Gabriel Riv. Comment
  UCR190740  Eriogonum davidsonii R. G. Swinney 2001-5-18 7931 Los Angeles San Gabriel Mtns./Mojave Desert, Largo Vista area, c. 1/2 mile east of Largo Vista Rd. at a point 3.56 mi. south of Hwy 138 1284 Comment
  CAS-BOT-BC242756  Eriogonum davidsonii Joseph Andorfer Ewan 1932-6-12 7367 Los Angeles North Fork Tujunga Creek, San Gabriel Mts. 914 Comment
  RSA647936  Eriogonum fasciculatum Michelle Manolovitz, Brian Willie 1992-4-27 1 Los Angeles Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 200 feet northwest of park office. Comment
  RSA778909  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-6-17 11213 Los Angeles Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  UCR259098  Eriogonum fasciculatum subsp. polifolium Mitch Provance, Callen Huff 2009-4-29 10688 Los Angeles Tehachapi Mountains, Tejon Ranch, south of Lebec, lower slopes above Interstate 5, about 0.7 miles east of Gorman; site PO1088/1090 1230 Comment
  HSC12475  Eriogonum fasciculatum var. foliolosum Wendell Wood 1970-6-20 14 Los Angeles Linda Vista Rd. and Figueroa, Glendale 457 Comment
  POM305047  Eriogonum fasciculatum var. foliolosum Henry J. Ramsey, Henry J. Ramsey 1937-1-15 375 Los Angeles Altadena. 396 Comment
  RSA660309  Eriogonum fasciculatum var. foliolosum Matt Bogdanoff 1981-5-27 37 Los Angeles Ca Hwy 39, 12.5 mi N of junction with Sierra Madre Ave., N of Azusa. 549 Comment
  CAS-BOT-BC250106  Eriogonum fasciculatum var. polifolium LeRoy Abrams 1902-6-30 2608 Los Angeles Mt. Wilson, San Gabriel Mountain Comment
  UCD100053  Eriogonum fasciculatum var. polifolium R. N. Raynor 1938-6-1 s.n. Los Angeles between Littlerock and Cajon. Comment
  UCR271078  Eriogonum fasciculatum var. polifolium R. G. Swinney 2011-6-14 15129 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  UC72675  Eriogonum giganteum Geo. B. Grant Aug 1902 443 Los Angeles Avalon Catalina Isl., Avalon Comment
  CAS-BOT-BC253457  Eriogonum gracile A. J. McC 1893-7-3 148 Los Angeles Near Redondo Comment
  RSA766140  Eriogonum gracile Delzie Demaree 1933-10-7 10538 Los Angeles Los Angeles. Comment
  RSA620019  Eriogonum gracile var. gracile LeRoy Gross 1998-11-21 105 Los Angeles San Gabriels Mountains.: Above Henninger Flats. On the Idlehour Trail. 976 Comment
  RSA646080  Eriogonum gracile var. gracile Orlando Mistretta 1992-9-16 811 Los Angeles San Gabriel Mountains: North of Oak Springs. Oak Springs Trail; Tujunga Ranger District. 793 Comment
  SBBG62142  Eriogonum gracillimum R. Hoffmann 1925-5-16 Los Angeles Palmdale Comment
  RSA552444  Eriogonum mohavense D. Charlton 1991-6-22 5418 Los Angeles Southwest Lancaster, corner of K and 40th streets. Antelope Valley, drainage from San Gabriel mtn foothills. 732 Comment
  SBBG44386  Eriogonum mohavense G. Sphon, D. Hearn 1956-5-30 13 Los Angeles Black Butte Comment
  RSA578234  Eriogonum nudum var. pauciflorum Tim S. Ross, S. D. Boyd 1994-9-21 8293 Los Angeles Liebre Mountain: vicinity of West Summit 1683 Comment
  SBBG64151  Eriogonum nudum var. westonii R. Hoffmann 1928-7-9 Los Angeles Pine Cyn Comment
  UC2062978  Eriogonum ordii Elizabeth Kempton with Eric Paul 2006-6-11 385 Los Angeles Vasquez Canyon Road, ca. 1.5-2 mi from Bouquet Canyon Road. Comment
  SD231415  Eriogonum pusillum Sula Vanderplank, Leroy Gross & Steve Hoskinson 2005-5-6 50506 46 Los Angeles Transverse Ranges; San Gabriel Mountains region: Off Big Pines Hwy (road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. 1444 Comment
  UC284247  Eriogonum pusillum P. A. Munz 1923-8-31 7676 Los Angeles ridge s Swartout Valley; San Gabriel Mts. 2575 Comment
  UCSB33296  Eriogonum roseum Griesel, Wesley; Miller, B. 1963-7-2 Los Angeles Sawmill Campground Sawmill Mt 1676 Comment
  RSA778908  Eriogonum saxatile R. G. Swinney 2009-6-17 11212 Los Angeles Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  UC1971211  Eriogonum saxatile Louis C. Wheeler 1970-7-25 Los Angeles SAN GABRIEL MOUNTAINS: Heliport 0.3 mile north of South Mt. Hawkins. Comment
  CAS-BOT-BC267608  Eriogonum saxatile Noel H. Holmgren; James L. Reveal 1966-5-30 2613 Los Angeles Tujunga Creek Canyon, San Gabriel Mountains 1036 Comment
  JEPS97020  Eriogonum thurberi unknown 1928-7-7 Los Angeles 3 mi W of Castiac Comment
  JEPS22776  Eriogonum umbellatum var. minus Rimo Bacigalupi with Reino Alava 1958-7-20 6433 Los Angeles just w Dawson Saddle (just s of Mt. Lewis along Angeles Crest Highway (State Highway 2), above headwaters of South Fork of Big Rock Creek); San Gabriel Mts., South Fork of Big Rock Creek 2429 Comment
  RSA0005164  Eriogonum umbellatum var. minus I. M. Johnston 1917-8-22 1692 Los Angeles San Antonio Mountains, summit of Baldy. 3049 Comment
  RSA330820  Eriogonum umbellatum var. minus Wayne E. Sawyer 1981-7-24 108 Los Angeles San Gabriel Mountains, Angeles National Forest: Crest trail, 0.7 mile west of Mt. Hawkins 2530 Comment
  RSA700424  Eriogonum umbellatum var. minus Gary D. Wallace 1985-7-5 2235 Los Angeles San Gabriel Mountains: Mt. Islip. Angeles National Forest. 2515 Comment
  RSA602310  Eriogonum umbellatum var. munzii Steve Boyd, Lauren Raz 1997-6-17 9937 Los Angeles Liebre Mountains region: Little Burnt Peak, at the divide between the head of Fish and Burnt canyons, north of Burnt Peak and southeast of Sawmill Mountain summit. 1597 Comment
  SBBG64215  Eriogonum vimineum M. N. Ackley -May-1927 862 Los Angeles Little Rock foothills 914 Comment
  RSA149758  Eriogonum wrightii var. subscaposum Wesley O. Griesel 1961-8-18 s.n. Los Angeles Trail from Charleton Flats to Chilao, San Gabriel Mountains 1524 Comment
  RSA747674  Eriogonum wrightii var. subscaposum R. G. Swinney 2001-9-15 8155 Los Angeles San Gabriel Mountains: Mt Islip. 2512 Comment
  CAS-BOT-BC297969  Eriophyllum confertiflorum R. Beauchamp; M. Douglas 1972-3-24 3234 Los Angeles On cliff of canyon wall N of Nanny, San Clemente Island 150 Comment
  PASA2207  Eriophyllum confertiflorum Sally Ellis 1939-5-5 Los Angeles Baseline Comment
  POM357947  Eriophyllum confertiflorum M. B. Dunkle 1932-6-2 2163 Los Angeles Santa Catalina Island. White's landing Comment
  RSA128781  Eriophyllum confertiflorum Peter H. Raven 1959-5-3 14088 Los Angeles Matted on banks; open in oak woodland, Woodland Wilson Drive 1.6 miles west of Cahuenga Pass. 305 Comment
  RSA659362  Eriophyllum confertiflorum Ely Aguilar 1998-5-8 26 Los Angeles 0.5 miles from locked Pt. Mugu State Park entrance on the Newberry Park side 91 Comment
  RSA771641  Eriophyllum confertiflorum R. G. Swinney 2009-6-2 10989 Los Angeles East slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  JEPS34715  Eriophyllum confertiflorum var. confertiflorum F. W. Peirson 1919-5-10 409 Los Angeles Arraster Canyon San Gabriel Mts., Arraster Canyon 838 Comment
Read comments
Aug 21 2014
  RSA584138  Eriophyllum confertiflorum var. confertiflorum Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-8 2980 Los Angeles Upper Big Tujunga Canyon: ridge and slopes descending +/-ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats). 1250 Comment
  RSA599341  Eriophyllum confertiflorum var. confertiflorum Steve Boyd, Lauren Raz 1997-3-26 9370 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
  UC1595218  Eriophyllum confertiflorum var. confertiflorum Tim Ross and Peter Fritsch 1990-6-20 3657 Los Angeles ridgetop between W Fk San Gabriel River and Roberts Canyon (Rincon-Red Rd (2N24)); San Gabriel Mountains 1255 Comment
  CAS-BOT-BC308343  Eriophyllum nevinii Herman Knoche 1919-7-4 995 Los Angeles San Clemente Island Comment
  RSA358101  Eriophyllum pringlei Robert Gustafson, Christopher Davidson 1977-4-20 414 Los Angeles Fort Tejon Road, south of Littlerock, about 1.5 miles east of the junction with 82nd St. 976 Comment
  RSA679964  Eriophyllum pringlei LeRoy Gross, Orlando Mistretta, Valerie L. Sosa 2003-5-13 864 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway 1143 Comment
  RSA669155  Erodium botrys LeRoy Gross, Naomi S. Fraga 2002-4-4 504 Los Angeles Southwest side; From saddle along main crest where the dirt roads of Verdugo Mountain Way & Chandler Fire Road meet, (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road., (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. This home was burned down a long time ago, and road abandoned. 606 Comment
  RSA629719  Erodium botrys Louis C. Wheeler 1947-1-5 6564 b Los Angeles Arcadia: In parkway in center of Woodward Avenue between Baldwin Avenue and Oakwood Drive. Comment
  UCD103102  Erodium botrys Louis C. Wheeler 1947-4-13 6467 Los Angeles Rio Hondo: 1/4 mile upstream from Rosemead Boulevard near El Monte. Comment
  SBBG62329  Erodium brachycarpum S. A. Junak with M. L. Hoefs, J. Takara 1998-3-22 SCa 508 Los Angeles SE end of Little Harbor Cmpgrd 36 Comment
  SD69660  Erodium brachycarpum Robert F. Thorne, Reed Rollins, et al. 1967-3-18 36750 Los Angeles Santa Catalina Island, lower end of Bulrush Canyon. 182 Comment
  RSA0106119  Erodium cicutarium R. G. Swinney 2011-3-15 14074 Los Angeles San Gabriel Mountains; Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 235 Comment
  RSA639977  Erodium cicutarium Louis C. Wheeler 1967-5-29 9771 Los Angeles Cow Canyon Saddle, [covered former dump]. 1378 Comment
  UCSB68646  Erodium cicutarium Gross, LeRoy 2003-2-10 Los Angeles Transverse Ranges: Verdugo Mountains Region;: South side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway; Burbank Quad. 7.5: TIN R13W S5, Center 783 Comment
  SEINET186315  Erodium macrophyllum Philip A. Munz 1940-5-1 15770 Los Angeles Hills south of San Dimas Comment
  UCR142791  Erodium moschatum L. C. Wheeler 1967-4-30 9206 Los Angeles San Gabriel Mtns, Liebre Mtns, NW end of foothills (of San Gabriel Mtns), between Bouquet Junction and Bonelli Ranch 396 Comment
  UCR190899  Erysimum capitatum R. G. Swinney 1998-7-2 6201 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  CAS-BOT-BC40704  Erysimum capitatum Clare B. Hardham 1966-5-7 14152 Los Angeles Sandberg-German road. 1219 Comment
  CAS-BOT-BC55201  Erysimum suffrutescens Lewis S. Rose 1940-3-15 40133 Los Angeles Playa del Rey. 15 Comment
  POM50342  Eschscholzia caespitosa L. R. Abrams 1901-06 1700 Los Angeles Santa Monica Mountains, Saddle Peak. Comment
  RSA188115  Eschscholzia californica Robert F. Thorne, Percy C. Everett 1965-6-22 34846 Los Angeles Santa Catalina Island: Renton Mine area. 244 Comment
  RSA682377  Eschscholzia californica Scott D. White, Michael Honer 2003-6-18 9569 Los Angeles Liebre Mountains: Canyon Country. Steep, actively eroding slopes immediately above homes and detention basins in tributary to west of Tick Canyon. 549 Comment
  UC855150  Eschscholzia californica I. W. Clokey 1942-4-19 5973 Los Angeles West Arcadia 250 Comment
  UCR269967  Eschscholzia californica R. G. Swinney 2010-6-1 13105 Los Angeles San Gabriel Mountains, lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy 1098 Comment
  RSA433660  Eschscholzia californica Elbert Benjamine 1929-3-15 74 Los Angeles San Clemente Island. Pasture land. Comment
  RSA433678  Eschscholzia californica A. G. Goodwin 1940-05 s.n. Los Angeles San Fernando Comment
  POM300562  Eschscholzia californica var. crocea Lyman Benson 1958-4-16 15785 Los Angeles Intersection of U.S. 99 and Antelope Valley Road, southeast of Gorman. 1067 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
  RSA66742  Eschscholzia minutiflora F. W. Peirson 1919-6-15 487 Los Angeles Rock Creek, north slope of San Gabriel Mountains. 1296 Comment
  SBBG96654  Eschscholzia ramosa R. F. Thorne 1966-4-15 36010 Los Angeles ca. 0.5 mi SSE of Eel Pt 3 Comment
  UCR117120  Eucalyptus citriodora A. C. Sanders, D. Malueg 2001-5-17 24323 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
  SD72726  Eucrypta chrysanthemifolia F. R. Fosberg 1931-3-27 S 4412 Los Angeles Santa Catalina Island; Hamilton Canyon, near Avalon. 60 Comment
  UCR270535  Eucrypta chrysanthemifolia R. G. Swinney 2010-5-7 12577 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. 494 Comment
  SBBG66015  Eucrypta chrysanthemifolia var. chrysanthemifolia S. A. Junak with M. L. Hoefs, L. Stratton 1998-3-21 SCa 490 Los Angeles W side of Cape Cyn, S of Black Jack Pk 475 Comment
  UC1349035  Eucrypta chrysanthemifolia var. chrysanthemifolia Robert F. Thorne and P. Everett 1965-5-10 34491 Los Angeles upper end Gallagher Canyon; Santa Catalina Island 411 Comment
  UCR255849  Eulobus californicus R. G. Swinney 2010-5-4 12484 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
  UCR259906  Eulobus californicus R. G. Swinney 2010-3-16 11947 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  UC56926  Euphorbia crenulata Ernest Braunton May 1902 307 Los Angeles Glendora Comment
  UCD142608  Euphorbia maculata Daryl Koutnik 1978-6-30 s.n. Los Angeles Reseda, 6922 Hesperia Avenue. 213 Comment
  UCD142609  Euphorbia maculata Geoffrey Levin 1975-9-22 654 Los Angeles San Gabriel Mountains. Claremont, Pomona College, south of Crookshank Hall. 335 Comment
  SD181562  Euphorbia peplus Louis C. Wheeler 1945-4-15 6011 Los Angeles San Gabriel Mountains; Millard Canyon. 106 Comment
  UCD142446  Euphorbia peplus Gary D. Cromwell; David W. Wheat 1971-5-14 652 Los Angeles San Gabriel Mtns.; Angeles National Forest; Mystic Canyon; 2 mi. NE of Glendora. 373 Comment
  UCR126952  Euphorbia serpillifolia L. C. Wheeler 1970-6-9 s.n. Los Angeles Coastal Plain, San Pedro, Harbor Blvd, at 4th Street 3 Comment
  RSA187870  Euphorbia spathulata R. F. Thorne 1966-4-4 35774 Los Angeles Santa Catalina Island. Blue Cavern Point, NE of Isthmus Cove. 30 Comment
  UCR177787  Festuca microstachys LeRoy Gross 2005-4-28 2167 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
  UCR220348  Festuca myuros R. G. Swinney 2009-4-13 10318 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte 184 Comment
  UCR200018  Festuca myuros var. hirsuta Valerie Soza, Mariam Sidibeh 2003-3-26 1612 Los Angeles Transverse Ranges; Verdugo Mountains, Western San Rafael Hills, Ridge Motorway off Camino San Rafael, southwest of Emerald Isle Drive and Camino San Rafael junction, above Mayors Bicentennial Park 579 Comment
  SBBG98643  Festuca perennis T. Ross 1991-5-20 5359 Los Angeles uppermost reaches of the Wilson Cove Cyn drainage; 3300 ft NW of the 750ft Benchmark 141 Comment
  RSA681265  Ficus carica Scott D. White 2003-6-2 9441 Los Angeles Puente Hills: City of Industry, just northwest of SR 60 / SR 57 freeway at Grand Ave. exit. 183 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
  RSA0089289  Ficus microcarpa R. E. Riefner Jr. 2014-10-6 14 -369 Los Angeles Harbor city, W of 110-Freeway, on Figueroa Pl. ca. 0.3 mi N of Anaheim St., opposite of Harbor Park Golf Course. 9 Comment
  LA99308  Filago californica R. L. Armacost; 1968-5-7 2373 Los Angeles Santa Monica Mountains, Tapia Park, above park 152 Comment
  RSA188165  Filago californica R. F. Thorne 1966-4-7 35940 Los Angeles Santa Catalina Island: Cherry Valley 61 Comment
  RSA313410  Filago californica R. F. Thorne, M. Z. Thorne 1973-2-12 42474 Los Angeles Santa Catalina Island. N of Marine Science Station at Fisherman's Cove. 46 Comment
  RSA587460  Filago californica Orlando Mistretta 1995-4-11 1615 Los Angeles San Gabriel Mountains. Santiago canyon. Canyon and slopes draining W slopes of Santiago Canyon ca. 1 mi. SW of confluence with Little Rock Creek. 1098 Comment
  RSA0069715  Foeniculum vulgare Daniel Kasang, Sabrina Lawrence-Gomez, Alexandria Cheung, Miller Zou, Sarah Ratay 2011-7-1 5 Los Angeles Santa Catalina Island. Deer Valley Trail. 4 Comment
  UCR222996  Forestiera pubescens R. G. Swinney 2009-5-6 10656 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 1085 Comment
  SBBG12020  Frankenia salina P. H. Raven 1962-7-11 18014 Los Angeles Wilson Cove 60 Comment
  UC557790  Frankenia salina Nell Murbarger Apr 1936 131 Los Angeles s end San Clemente Island Comment
  CAS-BOT-BC223420  Fraxinus dipetala K. Kneen 1933-4-12 s.n. Los Angeles Topanga - 6 mi. from ocean on main highway Comment
  SBBG126989  Fraxinus latifolia A. Parikh, N. Gale 2011-7-10 3551 Los Angeles West Fork San Gabriel River, 1.1 km W of St Hwy 39; San Gabriel Mtns 502 Comment
  RSA747453  Fraxinus uhdei A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36942 Los Angeles San Gabriel Valley: San Gabriel River floodplain, Whittier Narrows Nature Center and east to Peck Rd. along the SCE powerlines and the river levee. 70 Comment
  UCR258609  Fraxinus uhdei R. G. Swinney 2010-6-23 13321 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin 341 Comment
  POM3595  Fraxinus velutina var. coriacea I. M. Johnston 1918-7-28 2097 Los Angeles San Gabriel River at El Monte. 91 Comment
  UC1293712  Fremontodendron californicum P. C. Everett, E. K. Balls 1959-5-22 23804 Los Angeles Big Rock Creek, N. slopes San Gabriel Mts., from Valyermo 1371 Comment
  UCR178783  Fritillaria biflora R. G. Swinney 1969-5-10 455 Los Angeles San Gabriel Mtns., Glendora, 0.6 mi N of Sierra Madre Ave., N of Pennsylvania Ave. 366 Comment
Read comments
Mar 10 2008
  RSA79209  Fritillaria pinetorum G. R. Campbell 1952-6-8 18505 Los Angeles Table Mountain, just above Forest Service Headquarters, Big Pines Recreation area, San Gabriel Mountains 2287 Comment
  RSA661188  Funastrum cynanchoides var. hartwegii LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 394 Los Angeles Vedugo Mountains Region: Northwest side, just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek. City of Sun Valley. 274 Comment
  SFV21460  Funastrum cynanchoides var. hartwegii L. Gross, V. Soza, S. Tessel 2001-6-4 394 Los Angeles Verdugo Mountains Northwest side of mountains. Just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek in Sun Valley. Cleared area for fire safety near homes. Dry, south-facing hillside. 274 Comment
  RSA9649  Galinsoga parviflora var. parviflora L. C. Wheeler 1932-11-6 1446 Los Angeles Garey Ave. 3 mi N Pomona 305 Comment
  CAS-BOT-BC223004  Galium andrewsii subsp. andrewsii W. Griesel; B. Miller 1963-7-2 s.n. Los Angeles Sawmill Campground, Sawmill Mt., Angeles National Forest 1615 Comment
  RSA588857  Galium andrewsii subsp. intermedium Orlando Mistretta 1994-9-13 1481 Los Angeles Santiago Canyon. Santiago Creek near jct of Forest Road 4N20 and BM 3980. 1159 Comment
  UCR216911  Galium angustifolium R. G. Swinney 2009-3-17 10129 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, El Encanto Azusa River Wilderness Park, between Hwy 39 and the San Gabriel River 296 Comment
  SD4906  Galium angustifolium Mrs. Kate Stephens 1922-7-6 Los Angeles Ten miles west of Semmler Comment
  RSA658362  Galium angustifolium subsp. angustifolium Naomi Zohman 1985-4-28 22 Los Angeles Junction of CA Hwy 39 along west fork of San Gabriel River. Forest Service Road. Comment
  POM263143  Galium angustifolium subsp. gabrielense J. C. Roos 1937-7-18 400 Los Angeles Upper San Antonio Canyon. Comment
  UCR271079  Galium angustifolium subsp. gracillimum R. G. Swinney 2011-6-14 15131 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  LA50672  Galium aparine Carl Epling; March 1925 6448 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA0021879  Galium aparine Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5109 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA233401  Galium aparine Robert F. Thorne 1966-4-15 36002 Los Angeles San Clemente Island: Canyon mouth on rocks 2/3 mile SSE of Eel Point (and N of Seal Cove, SW side of island). 46 Comment
  RSA639243  Galium aparine Robert F. Thorne, M. Z. Thorne 1971-4-25 41346 Los Angeles Johnson's Pasture north of Claremont 610 Comment
  RSA655800  Galium aparine James Henrickson 2000-4-15 20701 Los Angeles Ca. 1 mile SE of Newhall in Whitney Canyon SE of junction of San Fernando Road and State Highway 14. 457 Comment
  SEINET4092384  Galium aparine M. B. Dunkle 1940-1 7417 Los Angeles Santa Barbara Island. West end, Flat Terrace.. Comment
  CAS-BOT-BC217471  Galium catalinense Carl B. Wolf 1932-5-11 3552 Los Angeles W. side of Isthmus Harbor, Santa Catalina Island 3 Comment
  RSA248835  Galium catalinense subsp. acrispum Robert F. Thorne 1973-4-11 42842 Los Angeles San Clemente Island, wet bottom of Norton Canyon. 274 Comment
  RSA678816  Galium grande Valerie L. Soza, Samantha Tessel 2001-6-18 1292 Los Angeles Upper Winter Creek Trail, above Santa Anita Canyon, ca. 1.8 miles from trailhead out of Chantry Flat area. 838 Comment
  SBBG68904  Galium hallii R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk, Paradise Camp Comment
  RSA329564  Galium nuttallii Gary D. Wallace 1966-3-18 173 Los Angeles Along the coast. W of Malibu. Point Dume at West Beach. Comment
  UC1018199  Galium porrigens J. Warren 1952-4-15 Los Angeles Faculty Hill UCLA 121 Comment
  RSA653744  Galium porrigens var. porrigens Valerie L. Soza, LeRoy Gross, Adelina Munoz 2000-5-12 892 Los Angeles Verdugo Mountains, northeast side: Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. Fire road south from Engleheard Canyon to powerlines. 396 Comment
  OBI6292  Galvezia speciosa Robert J. Rodin 1953-5-2 5816 Los Angeles Near White's Cove, Catalina Island Comment
  UCR86546  Galvezia speciosa T. S. Ross 1992-4-14 6162 Los Angeles Channel Islands, San Clemente Island: central E side of the island; lower end of Nanny Canyon near its 'mouth 168 Comment
  CAS-BOT-BC186353  Garrya flavescens Le Roy Abrams; E. A. McGregor 1908-7-2 568 Los Angeles Rock Creek, desert slopes of the San Gabriel Mountains 1371 Comment
  UCR210734  Garrya veatchii R. G. Swinney 2009-1-19 10000 Los Angeles San Gabriel Mtns., Azusa, Hwy 39 at El Encanto Rivers and Mountains Conservancy entrance, 1.9 mi. NE of Sierra Madre Ave. 232 Comment
  CAS-BOT-BC282618  Gastridium phleoides Dr. H. E. Hasse 1888-5-1 s.n. Los Angeles Unspecified Comment
  UCR202704  Gayophytum R. G. Swinney 2001-8-18 8056 Los Angeles San Gabriel Mtns., Ross Mtn., 2.5 miles south of Mt. Baden Powell on the same ridge 2257 Comment
  UCR206435  Gayophytum R. G. Swinney 2008-6-10 8983 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1943 Comment
  UCR209872  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2008-7-16 9251 Los Angeles San Gabriel Mtns., Will Thrall Peak, west of Burkhart Saddle 2392 Comment
  UCR256573  Gayophytum diffusum subsp. parviflorum Anuja Parikh, Nathan Gale 2011-6-27 3514 Los Angeles Transverse Ranage; San Gabriel Mountains, Upper Big Tujunga Canyon, 0.1 km SW of Shortcut Station, 0.5 km north of State Hwy 2, Angeles Crest Hwy 1277 Comment
  POM355352  Gayophytum oligospermum Fordyce Grinnell Jr. 1910-6-4 s.n. Los Angeles San Gabriel Mountains Comment
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Feb 3 2011
  SBBG113090  Genista monspessulana S. A. Junak 1997-3-27 SCa 350 Los Angeles Avalon Cyn, along lower part of Hermit Gulch Trail 121 Comment
  CATA3343  Geranium californicum Amy Catalano, Jen Dreizehn 2017-3-23 030 Los Angeles Santa Catalina Island: Near drainage bottom of Swains Canyon, directly west of ""duck head"" in Toyon Rd, north facing slope 96 Comment
  CAS-BOT-BC225251  Gilia R. G. Swinney 2009-4-28 10555 Los Angeles Summit of Mt. Emma, Pacifico Mtn. 7.5' Q, Transverse Range, San Gabriel Mountains 1607 Comment
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Sep 2 2017
  RSA606021  Gilia Leota Brice 1930-5-22 s.n. Los Angeles Mint Canyon. Comment
  SFV2884  Gilia achilleifolia H. L. Bauer 1941-4-20 685 Los Angeles El Segundo. Sand dunes. 30 Comment
  CATA1553  Gilia angelensis Mark L. Hoefs, Steven A. Junak, Lisa Stratton 1998-3-21 2810 Los Angeles Santa Catalina Island: Hillside above upper Cape Canyon 359 Comment
  RSA724535  Gilia angelensis K. Dobry 1991-5-13 481 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  RSA33654  Gilia angelensis N. C. Cooper 1944-4-23 1099 Los Angeles Pomona. 259 Comment
  RSA470113  Gilia angelensis Anstruther Davidson 1890-04 s.n. Los Angeles [no locality information provided] Comment
  UC1546978  Gilia angelensis Leila M. Shultz, John S. Shultz 1982-5-9 6122 Los Angeles near Claremont; foothills San Gabriel Mountains, near Claremont 426 Comment
  UC909024  Gilia angelensis Herbert L. Mason 1926-4-26 2942 Los Angeles upper road Pacoima Wash foothills San Gabriel Mountains, Pacoima Wash (foothills of San Gabriel Mountains) Comment
  UCR151002  Gilia brecciarum Walter Wisura 2001-4-30 5154 Los Angeles Transverse Ranges; San Gabriel Mtns region, San Gabriel Mtns: Hwy N4, 9.4 mi N from the junction with Hwy 2 2337 Comment
  LA52329  Gilia capitata subsp. abrotanifolia A. M. Johnson; 1932-5-30 4101 Los Angeles Santa Monica Mountains, Brent's Mountain, Crag's Camp 152 Comment
  UC54708  Gilia capitata subsp. abrotanifolia E. Braunton April 1903 872 Los Angeles Los Angeles Comment
  UCR186945  Gilia latiflora A. C. Sanders 2006-4-10 31995 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1006 Comment
  CAS-BOT-BC226313  Gilia latiflora subsp. davyi J. Mark Porter 1998-4-27 11829 Los Angeles Antelope Valley: 170th St. East, N. of Pearblossom Hwy. Comment
  CAS-BOT-BC226335  Gilia latiflora subsp. davyi Louis C. Wheeler 1932-4-9 566 Los Angeles 4 mi. WSW Fairmont, Antelope Valley 914 Comment
  CAS-BOT-BC226340  Gilia latiflora subsp. davyi Lyman Benson 1932-3-25 3146 Los Angeles Little Rock, San Gabriel Mt. Range, Mojave Desert 762 Comment
  UC908826  Gilia latiflora subsp. latiflora Margaret Stason 1927-5-14 Los Angeles Pinon Ridge San Gabriel Mts., Pinon Ridge Comment
  CAS-BOT-BC226398  Gilia latiflora subsp. latiflora Roxana S. Ferris; Ruth P. Rossbach 1938-5-13 9494 Los Angeles Highway between Adelanto and Lancaster Comment
  HSC79104  Gilia latiflora subsp. latiflora Mike Ikeda 1968-4-27 26 Los Angeles 10 mi. E of Pearblossom along Hwy. 138 at S Mojave Desert 945 Comment
  RSA86545  Gilia latiflora subsp. latiflora Verne Grant, Alva Grant 1954-4-19 9323 Los Angeles Several miles west of Desert Springs. 1159 Comment
  RSA607021  Gilia leptantha subsp. transversa L. C. Wheeler 1968-5-27 s.n. Los Angeles San Gabriel Mountains: Alimony Ridge. 1494 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
  UCR189261  Gilia ochroleuca subsp. bizonata R. G. Swinney 1998-5-16 6063 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
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May 3 2012
  RSA0017075  Gilia ochroleuca subsp. bizonata G. H. True 1935-3-26 167 Los Angeles Belleview School NW of Palmdale. 732 Comment
  RSA0017209  Gilia ochroleuca subsp. bizonata J. Aug Kusche 1929-4-14 s.n. Los Angeles Little Rock, Mohave Desert. Comment
  RSA608506  Gilia tricolor L. C. Wheeler 1930-6-7 52 Los Angeles Mandeville Canyon, Santa Monica Mountains. Comment
  POM358776  Gnaphalium californicum M. B. Dunkle 1932-5-28 2963 Los Angeles White's Landing, Santa Catalina Island. 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
  CAS-BOT-BC302605  Gnaphalium palustre Le Roy Abrams 1901-4-1 1241 Los Angeles Inglewood Comment
  CAS-BOT-BC110278  Grayia spinosa A. D. E. Elmer 1902-6-1 3613 Los Angeles Palmdale. Comment
  RSA199188  Guillenia lasiophylla R. F. Thorne 1968-5-28 37653 Los Angeles Santa Catalina Island: central Bullrush Canyon. 244 Comment
  RSA430020A  Guillenia lasiophylla F. R. Fosberg 1931-4-8 4503 Los Angeles Hamilton Canyon, near Avalon, Santa Catalina Island. 40 Comment
  RSA527633  Guillenia lasiophylla Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4387 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  CHSC95519  Gutierrezia californica LeRoy Gross; Valerie Soza, Samantha Tessel 2001-6-4 401 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Northwest side, just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek. City of Sun Valley. On ridge that runs down to the mouth of McDonald Creek, on west side of creek, but a short distance from the main crest. 366 Comment
  LA203626  Gutierrezia sarothrae Joseph Andorfer Ewan; 1931-8-7 4871 Los Angeles San Bernardino Mountains, Holcomb Valley 2194 Comment
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Feb 12 2015
  IRVC28719  Haplopappus venetus A. C. Sanders, Mark A. Elvin 2002-8-26 25582 Los Angeles Newhall Ranch, San Martinez Grande Canyon, north of Hwy 126, west side of canyon, WNW of Del Valle Western Transverse Range/Santa Clara River Watershed 335 Comment
  RSA0118523  Harpagonella palmeri Steven A. Junak, Mark L. Hoefs, Lisa Stratton 1998-3-21 SCa- 497 Los Angeles Santa Catalina Island. Cape Canyon, along E side of Cape Canyon Road, ca. 2.4 road miles from intersection with Airport Road. 378 Comment
  SBBG108968  Hazardia cana S. A. Junak 1996-9-29 SCl 684 Los Angeles Middle Ranch Cyn, ca. 0.75 mi downstream from upper rd crossing 304 Comment
  RSA653929  Hazardia squarrosa Valerie L. Soza, Wayne Law, Laura Moore 2000-6-27 1031 Los Angeles San Gabriel Mountains: Firebreak above Upper Winter Creek Trail, ca. 2 miles northwest of Chantry Flat along FS Road 2N41.2, north of San Olene Canyon. 822 Comment
  POM359475  Hazardia squarrosa var. grindelioides F. R. Fosberg 1931-11-29 7079 Los Angeles La Crescenta Comment
  UCR271587  Hazardia squarrosa var. grindelioides R. G. Swinney 2011-11-3 15996 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
  UCR190081  Helenium bigelovii R. G. Swinney 1998-8-5 6635 Los Angeles San Gabriel Mtns., Bear Gulch, 0.3 miles north of confluence with Prairie Fork, SW of Wrightwood 1524 Comment
  RSA654016  Helianthemum scoparium Valerie L. Soza, Laura Moore 2000-5-10 845 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines. 579 Comment
  UCR270919  Helianthemum scoparium R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14341 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg. ) NNW of the trailhead 451 Comment
  SD262190  Helianthus annuus R. G. Swinney 2014-5-27 16656 Los Angeles San Gabriel Mountains: Glendora, ridge between east and north forksof Hook Cyn., c. 400 m south of Glendora Ridge Mtwy. & 200 m north of Church of the Open Door, NE of Hook Cyn. Debris basin. 445 Comment
  RSA233494  Helianthus annuus subsp. lenticularis R. F. Thorne, M. Z. Thorne 1972-1-30 42171 Los Angeles Johnson's Pasture and down Gail Canyon 488 Comment
  CATA913  Heliotropium curassavicum Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-14 1757 Los Angeles Santa Catalina Island: Hillside south of Ben Weston Beach 30 Comment
  CAS-BOT-BC310108  Hemizonella minima A. J. McClatchie 1896-5-1 s.n. Los Angeles Wilson's Peak, near Pasadena Comment
  RSA713814  Hemizonia fasciculata A. C. Sanders, T. B. Salvato 2005-5-24 30272 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area. ca. 0.5 mi. NW of community of Mint Canyon 549 Comment
  UCR153957  Hemizonia fasciculata A. C. Sanders 2005-5-11 30153 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Canyons 655 Comment
  UCR240983  Hemizonia fasciculata Dan S. Cooper 2010-3-8 20100308- 34 A Los Angeles South Coast; Los Angeles Basin, between Los Angeles River and Forest Lawn Dr., just west of Forest Lawn Cemetery and east of Warner Bros. studios 157 Comment
  SEINET7884148 Image available Hemizonia fasciculata Muriel F. Wheeler 1938-1 893 Los Angeles at mouth of San Dunas Canyon (east approach), San Gabriel Mountains 400 Comment
  UCR206484  Hemizonia parryi subsp. australis A. C. Sanders, T. B. Salvato 2009-5-21 36905 Los Angeles San Gabriel Valley, Whittier Narrows, between San Gabriel River and Rio Hondo, west side of Hwy 19 (Rosemead Blvd.) along road to shooting area, S of Hwy 60 along SCE powerlines 66 Comment
  SEINET10938214  Hesperaloe parviflora Jon Ricketson, Heidi H. Schmidt 1992-10-22 Ricketson 4855 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
  CAS-BOT-BC403837  Hesperocnide tenella Blanche Trask 1901-3-1 s.n. Los Angeles Avalon, Santa Catalina Island Comment
  UCR142553  Hesperocnide tenella F. W. Peirson 1921-2-26 2356 Los Angeles Western Transverse Range; Santa Monica Mtns., Topanga Canyon Divide 488 Comment
  JEPS45032  Heteromeles arbutifolia Blanche Trask 1908-1-4 Los Angeles Avalon; Santa Catalina Island Comment
  SBBG105350  Heteromeles arbutifolia H. L. Ferguson 1981-4-20 252 Los Angeles near mouth of Horse Beach Cyn 53 Comment
  UCR212815  Heteromeles arbutifolia Ellen Mackey, Blake Whittington 2006-10-4 NFWF- 1774 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River watershed, [San Dimas Canyon] downstream from San Dimas Dam 403 Comment
  RSA0031680  Heterotheca fastigiata David V. Shrum 1961-1-7 s.n. Los Angeles Verdugo Mountains. North side of mountain. Comment
  CAS-BOT-BC318879  Heterotheca grandiflora Alice Eastwood 1906-5-27 170 Los Angeles San Pedro Comment
  RSA0075643  Heterotheca grandiflora F. R. Fosberg 1931-1-7 7116 Los Angeles Mouth of little Santa Anita Canyon, Sierra Madre. 300 Comment
  RSA0075833  Heterotheca grandiflora Orlando Mistretta 1995-7-12 1900 Los Angeles San Gabriel Mountains: Little Rock Creek, just N of Guard Station along Little Rock Creek, below the dam. 976 Comment
  UC55053  Heterotheca grandiflora Miss E. D. Palmer Los Angeles Comment
  CHSC95441  Heterotheca sessiliflora subsp. fastigiata LeRoy Gross 2001-11-10 453 Los Angeles Los Angeles Basin region: Verdugo Mountains, north side. Off the 210 freeway east bound La Tuna 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). Don't take the road that forks off to the right, stay parallel with the freeway a short distance. 457 Comment
  UCR210496  Heterotheca sessiliflora subsp. fastigiata R. G. Swinney 2008-12-6 9956 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1.4 mi. north of Sierra Madre Ave., south side of road at spring, 0.5 mi. east of San Gabriel Canyon Information Station on Hwy 39 256 Comment
  POM360457  Hieracium argutum Geo L. Moxley 1913-9-1 4042 Los Angeles Sturtevant Trail, Santa Anita Canyon. Comment
  CHSC98046  Hirschfeldia incana LeRoy Gross; Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 692 Los Angeles Transverse Ranges: Verdugo Mountains Region: South side, along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway .Area burned in Summer-Fall of 2002. 783 Comment
  CAS-BOT-BC149957  Holodiscus discolor var. discolor Joseph Andorfer Ewan 1933-7-4 7876 Los Angeles Spanish Canyon above Monrovia, San Gabriel Mts. 609 Comment
  RSA602801  Holodiscus microphyllus Louis C. Wheeler 1967-9-13 10739 Los Angeles San Gabriel Mountains: West Baldy. 3043 Comment
  POM352489  Hordeum brachyantherum subsp. californicum Anstruther Davidson 1917-4-1 3218 Los Angeles L.A. Comment
  POM352488  Hordeum depressum F. R. Fosberg 1931-5-21 S 4945 Los Angeles Parson's Landing, Santa Catalina Island. 10 Comment
  RSA0055764  Hordeum murinum R. G. Swinney 2010-4-1 12136 Los Angeles San Gabriel Mountains: Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Mac 399 Comment
  CAS-BOT-BC537329  Horkelia cuneata var. cuneata John H. Thomas 1957-4-27 6670 Los Angeles Pt. Dume, about 18 miles due W of Santa Monica, coastal bluffs 60 Comment
  RSA229054  Horkelia rydbergii Robert F. Thorne, C. W. Tilforth 1971-6-30 40790 a Los Angeles San Gabriel Mts., Angeles National Forest: Desiccated branch of S fork of Little Rock Creek, 1.8 miles below Alder Saddle in Pinyon Flats area. 1555 Comment
  UC534839  Horkelia rydbergii Victor Duran 1933-7-11 3517 Los Angeles Sulfur Springs San Gabriel Mtns 1524 Comment
  POM184664  Hulsea vestita subsp. gabrielensis Joseph A. Ewan 1932-5-29 7216 Los Angeles Arrastre Canyon. 1402 Comment
  RSA300637  Hulsea vestita subsp. gabrielensis J. R. Shevock 1974-7-19 3732 Los Angeles San Gabriel Mountains, Angeles National Forest: along Forest Service road 3N17, 7.4 miles east of Bear Divide Station and 14.2 miles west of Mt. Gleason 1220 Comment
  RSA679993  Hulsea vestita subsp. gabrielensis LeRoy Gross, Michael Denslow 2003-6-4 975 Los Angeles Trail from Islip Saddle to Mt. Williamson 2195 Comment
  UC1052926  Hydrocotyle moschata Peter H. Raven 1956-6-17 9402 Los Angeles Westwood; Los Angeles Comment
  CAS-BOT-BC312646  Hymenothrix loomisii E. Johnson 1943-12-3 s.n. Los Angeles San Dimas - short distance both directions from San Dimas Ave. Comment
  SBBG109018  Hypochaeris glabra S. A. Junak 1996-5-20 SCl 513 Los Angeles mouth of cyn at Mosquito Cove 3 Comment
  UCD133359  Hypochaeris glabra Daryl Koutnik 1978-5-10 476 Los Angeles end of Corral Canyon Road, Santa Monica Mountains. 731 Comment
  UCSB394  Imperata brevifolia K. H. B. 1943-8-27 1094 Los Angeles collected 0.25 mi above in San Dimas Experimental Forest in the San Gabriel Mountains Flume V - San Dimas Canyon,Flume V, and San Dimas Experimental Forest Comment
  RSA5886  Isocoma menziesii C. B. Wolf 1932-9-16 4106 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
  HSC35739  Isocoma menziesii var. decumbens E. A. Wise 1975-12-25 Los Angeles 1 1/2 mi. S of Malibu colony on E side U. S. 101 Comment
  LA32044  Isocoma menziesii var. sedoides Henry J. Thompson; 1958-10-23 1814 Los Angeles Santa Monica Mountains, Point Dume, above the beach 30 Comment
  CAS-BOT-BC173252  Isocoma menziesii var. vernonioides A. C. Sanders; Mark A. Elvin 2002-8-26 25582 Los Angeles Western Transverse Range/Santa Clara River Watershed: Newhall Ranch, San Martinez Grande Canyon, north of Hwy 126, west side of canyon, WNW of Del Valle 335 Comment
  RSA279091  Isocoma menziesii var. vernonioides R. F. Thorne 1974-9-12 45113 Los Angeles Santa Catalina Island, near Empire Landing. 46 Comment
  CATA3426  Jacaranda mimosifolia Tobias Nickel, Julia Parish, Jamie Choi, Stuart Olshevski 2017-4-12 002 Los Angeles Santa Catalina Island: Channel side; Hamilton Cove, intersection of Marde Cortez and Alta Vista 54 Comment
  RSA358184  Jaumea carnosa R. F. Thorne 1973-09 44716 Los Angeles Santa Catalina Island, small salina at base of Ballast Pt. in Catalina Harbor. Comment
  CATA1409  Jepsonia malvifolia Mark L. Hoefs, Steven A. Junak, Janet Takara, Keri Kirkland 1995-11-10 2559 Los Angeles Santa Catalina Island: By road, just past the Isthmus, toward West end 33 Comment
  POM199723  Juglans californica I. W. Clokey, Bonnie C. Templeton 1929-04 4465 Los Angeles Mandeville Canyon, Santa Monica Mts. 350 Comment
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Jan 1 2012
  RSA702977  Juglans californica Scott D. White 2004-7-28 10647 Los Angeles San Gabriel Mountains: Clear Creek area. In and around The Pines picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  RSA0048406  Juglans californica Elwood Fordham 1951-3-25 s.n. Los Angeles Topanga, 1/2 way down grade from summmit - New Canyon Road. Comment
  UCD169182  Juglans nigra A. C. Sanders 2008-7-10 35743 Los Angeles South Coast; San Gabriel Valley: Whittier Narrows Nature Center. South of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage. 70 Comment
  SBBG128414  Juncus acutus subsp. leopoldii M. L. Hoefs 1995-6-21 2294 Los Angeles Upper Bullrush Cyn 286 Comment
  UCR182496  Juncus balticus R. G. Swinney 1997-7-22 5703 Los Angeles San Gabriel Mtns, Government Canyon, west of Wrightwood, 0.75 mi. west of San Bernardino Co. line at Hwy 2, Blue Ridge Mtn. area 2195 Comment
  RSA747335  Juncus balticus subsp. ater R. G. Swinney 2005-8-5 8389 Los Angeles Caldwell Lake at Mile High, 0.4 mi. west of jct. of 204th St. East and Big Pines Hwy 1561 Comment
  SD252225  Juncus bufonius Steven A. Junak 1999-7-15 Sca 1030 Los Angeles Santa Catalina Island. Bulrush Canyon. 238 Comment
  UCR204758  Juncus bufonius R. G. Swinney 2005-8-9 8432 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  RSA150916  Juncus bufonius Peter H. Raven 1962-4-10 17238 Los Angeles San Clemente Island. Gully to west side of island about 1.5 miles north of Thirst. 457 Comment
  RSA0127183  Juncus bufonius var. bufonius Louis C. Wheeler 1967-7-20 10121 Los Angeles Aliso Canyon. 1067 Comment
  RSA604485  Juncus bufonius var. bufonius L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1997 Comment
  RSA729845  Juncus macrophyllus R. G. Swinney 1999-6-18 7336 Los Angeles San Gabriel Mtns.: Boulder Canyon north of Big John Flat. 1573 Comment
  RSA756729  Juncus macrophyllus A. C. Sanders, T. B. Salvato 2005-5-24 30241 Los Angeles Santa Clarita area, nameless canyon NW of community of Mint Canyon, tributary of Santa Clara River 518 Comment
  UCR177220  Juncus macrophyllus LeRoy Gross, Michael Denslow, B. Hogshead, Sarah Swartzentruber 2003-6-17 1072 Los Angeles Verdugo Mountains, North side of the mountains, south of Hostetter Motorway just off La Tuna Canyon Road, south of the 210 Fwy 564 Comment
  UCR270918  Juncus macrophyllus R. G. Swinney 2011-5-26 14870 B 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
  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
  SBBG131591  Juncus mexicanus S. A. Junak 1999-7-15 SCa 1031 Los Angeles Bulrush Cyn 243 Comment
  UC1586199  Juncus mexicanus Tim Ross 1991-8-16 5817 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat U.S.G.S. 7.5' Quad. 1719 Comment
  RSA691048  Juncus rugulosus Scott D. White 2003-10-22 9838 Los Angeles San Gabriel Mountains: Foothills above Altadena. Los Angeles Dept. of Public Works Kinneloa West debris basin. Northern terminus of Brambling Lane.(Mt. Wilson). 427 Comment
  RSA737100  Juncus rugulosus Scott D. White, Justin M. Wood 2008-10-7 12533 -A Los Angeles San Gabriel River- West Fork, between Bear Creek and Rincon Red Box Rd. 549 Comment
  RSA634221  Juncus saximontanus Robert F. Thorne 1969-7-9 38507 Los Angeles Angeles National Forest: summit of Table Mountain above Big Pines Ranger Station 2134 Comment
  UC57091  Juncus torreyi Ernest Braunton Jul 1902 559 Los Angeles Los Angeles River Comment
  RSA0092264  Juniperus californica R. G. Swinney 2010-6-1 13078 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
  UCR177296  Juniperus californica LeRoy Gross 2005-5-3 2244 Los Angeles Transverse Range; San Gabriel Mountains, west terminus of Holcomb Ridge, west of Big Rock Creek, along the east [and] NE side of hill. North of Fort Tejon Road, west of Valyermo Road [also T5N, R9W SW/4 sec. 31] 1215 Comment
  UCR177442  Juniperus californica LeRoy Gross 2005-5-19 2260 Los Angeles Tehachapi Mountains, SE base of the mountains, just above the the W side of Cottonwood Creek 1174 Comment
  RSA549784  Keckiella antirrhinoides var. antirrhinoides Wandalee Thompson 1964-4-11 3 Los Angeles Liebre Mtns.: San Francisquito Canyon Road at Powerhouse No. 2, San Francisquito Canyon, Angeles National Forest. 457 Comment
  CATA214  Keckiella cordifolia Mark L. Hoefs, A. Douglas Propst 1973-4-24 199 Los Angeles Santa Catalina Island: Upper Descanso Canyon, west fork 198 Comment
  UC1745887  Keckiella cordifolia Annetta M. Carter 1935-9-14 995 Los Angeles Mouth of Little Santa Anita Canyon. Sierra Madre. Comment
  RSA529193  Keckiella ternata subsp. septentrionalis Tim S. Ross, Steve D. Boyd 1991-7-24 5643 Los Angeles San Gabriel Mountains, Granite Mountain: NNE slope. 1902 Comment
  POM292705  Koeleria macrantha Lyman Benson 1949-4-29 13602 Los Angeles Hill 3 miles SW of Pomona 305 Comment
  UC1586198  Koeleria macrantha Tim Ross 1991-8-16 5816 Los Angeles San Gabriel Mountains Horse Flats; , Chilao Flat Quad., Horse Flats 1719 Comment
  UC1537381  Krascheninnikovia lanata Gordon H. True Jr. 1935-5-17 307 Los Angeles hills s. of Littlerock 914 Comment
  SEINET3828348  Krascheninnikovia lanata C. Epling, Wm. Robinson 1935-1 Los Angeles Rocky slope of mesa South of San Augustine. Comment
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Mar 9 2015
  RSA188133  Lactuca serriola R. F. Thorne 1966-4-29 36276 Los Angeles Santa Catalina Island: above ranch in Middle Ranch Canyon 229 Comment
  CAS-BOT-BC341492  Lagophylla ramosissima I. M. Johnston 1918-8-4 2112 Los Angeles Hills west of Pomona 304 Comment
  POM352650  Lamarckia aurea H. L. Bauer 1929-3-20 s.n. Los Angeles Long Beach. Comment
  RSA654336  Lamium amplexicaule Benjamen Rangel 1992-4-12 777 -09 Los Angeles Off road by the light post G-19, by the cow corrals at Cal Poly Pomona. Comment
  RSA390003  Larrea tridentata N. C. Cooper 1943-11-20 969 Los Angeles Lancaster. Mojave Desert 762 Comment
  UCR281661  Larrea tridentata R. G. Swinney 2014-4-18 16138 Los Angeles San Gabriel Mountains, north end of Alimony Ridge, c. 50 m east of Little Rock Wash, south of Mt. Emma Rd. 957 Comment
  CAS-BOT-BC338155  Lasthenia californica M. E. Jones 1882-3-7 s.n. Los Angeles Pasadena Comment
  CAS-BOT-BC352907  Lasthenia coronaria F. B. C. 1903-8-15 4091 Los Angeles Claremont Comment
  CAS-BOT-BC354220  Lasthenia coronaria Lilian Wheeler 1895-3-16 s.n. Los Angeles Claremont Comment
  UC30428  Lasthenia gracilis J. Burtt Davy May 9 1896-May 24 1896 2518 Los Angeles Manzana Antelope Valley, Manzana Comment
  SFV1819  Lathyrus vestitus M. L. Vincent 1963-5-7 341 Los Angeles Santa Susana Mountains Santa Susana Pass Road. 0.5 miles east of Ventura County line near top of the pass. 0.25 miles off the main road at the top of the pass on a small path. 489 Comment
  RSA508647  Lathyrus vestitus subsp. laetiflorus Barry Burnell 1971-3-18 243 Los Angeles San Dimas Canyon, 6.2 miles from the intersection of Foothill and San Dimas Canyon Rd. 480 Comment
  UCD106523  Lathyrus vestitus var. alefeldii Dan Axelrod 1932-3-21 s.n. Los Angeles 1 mi. east of Claremont, Antelope Valley. Comment
  RSA1794  Lathyrus vestitus var. vestitus C. F. Baker 1904-5-2 4762 Los Angeles Hills near Claremont Comment
  RSA317202  Lathyrus vestitus var. vestitus Michael C. Long 1974-4-20 s.n. Los Angeles Devil's punhbowl county park, 0.5 mi.N of parking lot. Comment
  POM155793  Lavatera assurgentiflora subsp. assurgentiflora M. B. Dunkle 1928-4-11 1858 Los Angeles Bird Rock, Santa Catalina Island. 5 Comment
  CAS-BOT-BC321532  Layia glandulosa Nora Pettibone; Frank W. Hubby 1897-4-3 s.n. Los Angeles Pasadena Comment
  UCR259099  Layia glandulosa Mitch Provance, Callen Huff 2009-4-29 10689 Los Angeles Tehachapi Mountains, Tejon Ranch, south of Lebec, lower slopes above Interstate 5, about 0.7 miles east of Gorman; site PO1088/1090 1230 Comment
  UCSB49516  Layia glandulosa Smyth, A. 1983-5-8 Los Angeles North side of Gorman Park Road, @ 2 miles E of intersection with I-5 365 Comment
  CAS-BOT-BC380218  Layia platyglossa E. R. Blakley 1962-6-9 5204 Los Angeles San Clemente Island: Canyon west of road, 2.5 miles northof China Point 190 Comment
  JEPS39160  Layia platyglossa W. L. Jepson 1938-4-21 19221 Los Angeles San Fernando Comment
  POM50719  Layia platyglossa subsp. campestris L. R. Abrams 1901-04 1386 Los Angeles Monte Vista. Comment
  RSA361742  Layia platyglossa subsp. campestris Anstruther Davidson 1908-05 s.n. Los Angeles Sierra Madre. Comment
  UCR119565  Lemna minuta L. C. Wheeler 1952-11-29 7012 Los Angeles San Gabriel Mtns., Wildwood Canyon. Foothills north of San Dimas Comment
  UC1349063  Lepechinia fragrans Robert F. Thorne 1966-4-29 36329 Los Angeles Santa Catalina Island, Echo Lake 411 Comment
  UCR107682  Lepidium flavum G. F. Pratt 1997-2-12 s.n. Los Angeles Mojave Desert: Edwards A.F.B., 2 miles SW of Branch Memorial Park, south of Ave A near Ave. B 701 Comment
  RSA233413  Lepidium lasiocarpum R. F. Thorne 1966-4-15 36008 Los Angeles San Clemente Island. 2/3 mile SSE of Eel Point (and N of seal Cove), SW side of island. 46 Comment
  RSA659735  Lepidium lasiocarpum Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-3 94 Los Angeles San Clemente Island. Comment
  CDA29504  Lepidium latifolium Michael O Brien 2009-7-12 PDR# 1535008 Los Angeles Nearest the town of Calabasas in Tapia Park, a unit of Malibu Creek State Park, near the entrance to the Salvation Army Camp. Comment
  POM246460  Lepidium nitidum F. R. Fosberg 1931-4-15 4638 Los Angeles Eagles Nest, Middle Ranch Canyon Santa Catalina Island 210 Comment
  UC1215132  Lepidium nitidum Peter H. Raven 1962-4-9 17134 Los Angeles Wilson Cove San Clemente Island 60 Comment
  CAS-BOT-BC12464  Lepidium nitidum Geo. B. Grant 1901-2-22 s.n. Los Angeles Pasadena. Monk Hill. Comment
  POM6860  Lepidium nitidum var. nitidum P. A. Munz, L. T. Street, Williams 1919-3-8 2291 Los Angeles Pomona Comment
  UCR108350  Lepidium oblongum L. C. Wheeler 1970-6-2 s.n. Los Angeles USC Campus. 56 Comment
  RSA305021  Lepidium pinnatifidum P. H. Raven 1960-5-4 s.n. Los Angeles Well established perennial street weed along Santa Monica Blvd, near Westwood Blvd 91 Comment
  UCR255848  Lepidium virginicum R. G. Swinney 2010-5-4 12483 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
  CAS-BOT-BC329383  Lepidospartum latisquamum Marcus E. Jones 1924-9-10 s.n. Los Angeles Swartout Valley Comment
  SDSU4730  Lepidospartum squamatum Joan Godsil 1952-10-2 525 Los Angeles Claremont, in field by P.E. station. 366 Comment
  UCR259577  Lepidospartum squamatum R. G. Swinney 2010-4-13 12208 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  SEINET7288806  Leptodactylon californicum Bonnie C. Templeton 1930-5-27 1403 Los Angeles Higgins Canyon, North of Beverly Hills, Santa Monica Mountians 200 Comment
  RSA657468  Leptodactylon californicum subsp. glandulosum J. Keeling 1980-6-1 24 Los Angeles Next to west side of Angeles Crest Highway, 3 miles from Foothill Blvd. La Canada. 457 Comment
  HSC79975  Leptosiphon aureus James Henrickson 1973-5-12 9588 Los Angeles 9 mi. SW of Little Rock, .2 mi. S of Mt. Emma Rd., along Hwy. N3 1189 Comment
  UCD118442  Leptosiphon aureus Louis C. Wheeler 1967-5-9 9394 Los Angeles San Gabriel Mountains, Aliso Canyon east of Acton, 1 mile downstream from Wagonwheel Ranch. 914 Comment
  RSA534061  Leptosiphon bicolor T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5258 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
  UCR223345  Leptosiphon breviculus R. G. Swinney 2009-7-29 11414 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCSB32964  Leptosiphon breviculus Patterson, R.; Mason, R.; Trager, J. 1978-6-20 Los Angeles San Gabriel Mtns., Calif. Hwy. 2, ca. 4 mi. W of Bigpines 2300 Comment
  POM364525  Leptosiphon ciliatus Robert Gustafson 1973-5-17 s.n. Los Angeles Charlton Flats campground, Angeles Natl. Forest 1676 Comment
  POM65857  Leptosiphon ciliatus L. R. Abrams 1901-07 1900 Los Angeles Wilson's Peak. 1768 Comment
  SD120819  Leptosiphon liniflorus Frank W. Peirson 1919-6-7 456 Los Angeles Cow Canyon Divide. 1372 Comment
  UCR13456  Lessingia filaginifolia 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
  UCD134056  Lessingia glandulifera R. N. Raynor 1938-6-1 s.n. Los Angeles between Little Rock and Cajon. Comment
  CAS-BOT-BC339280  Lessingia glandulifera var. glandulifera Le Roy Abrams 1901-7-21 1909 Los Angeles Claremont Comment
  RSA0042669  Lessingia glandulifera var. glandulifera S. Kaatmann 1998-10 12 Los Angeles Pitzer College Arboretum. The interior of the Outback, near the path closest to the western boundary. 350 Comment
  UCR99514  Lessingia glandulifera var. peirsonii Steve Boyd, Lauren Raz 1996-10-14 9093 Los Angeles Libre Mountains, extreme northwestern corner of the range in Peace Valley, small side canyon just east of Interstate 5 off Copco Road 991 Comment
  CAS-BOT-BC272299  Leymus X multiflorus Le Roy Abrams 1901-5-1 1671 Los Angeles Near Ballona Harbor Comment
  POM158074  Leymus condensatus Le Roy Abrams 1902-7-2 2638 Los Angeles Sierra Madre. Comment
  RSA623878  Leymus condensatus Raymond J. Dobbs 1927-7-15 3608 Los Angeles Near Teddy's - Arroyo Seco, San Gabriel Mountains. Alt. 900 ft. 274 Comment
  POM156183  Leymus triticoides Le Roy Abrams 1902-6-12 2521 Los Angeles Ballona Creek, near Mesmer. Comment
  SBBG130721  Leymus triticoides S. A. Junak 2000-7-1 SCa 1373 Los Angeles Cape Cyn 265 Comment
  RSA162812  Lilium humboldtii subsp. ocellatum J. D. Olmsted 1958-6-12 152 Los Angeles E. Fork San Gabriel River 3 miles north of the Fire Control Station at intersection of Cattle Canyon with E. Fork 640 Comment
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Feb 12 2018
  UCR108460  Lilium humboldtii subsp. ocellatum L. C. Wheeler 1970-6-26 s.n. Los Angeles San Gabriel Mountains, Fish Fork 1098 Comment
  UCR130589  Lilium humboldtii subsp. ocellatum R. E. Riefner Jr. 2000-8-29 00- 758 Los Angeles Western Transverse Range; Verdugo Mtns., La Tuna Canyon, Verdugo Mtns. Conservancy Park, second canyon at picnic stop along La Tuna Canyon Rd. 2.5 miles south of 210 Freeway exit 462 Comment
  RSA250508  Limosella acaulis Robert F. Thorne, John Dourley 1967-10-10 37340 Los Angeles San Gabriel Mtns., Angeles National Forest: Jackson Lake. 1867 Comment
  RSA763248  Linanthus aureus Justin M. Wood 2010-5-10 1642 Los Angeles Vicinity of Littlerock Creek; just southwest of intersection of Cheseboro Rd. and Mt. Emma Rd. 973 Comment
  UCR259249  Linanthus aureus R. G. Swinney 2010-6-1 13086 Los Angeles San Gabriel Mountains, Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1098 Comment
  HSC104238  Linanthus aureus subsp. aureus R. G. Swinney 2009-4-24 10442 Los Angeles Transverse Ranges; San Gabriel Mtns., Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  UCR193567  Linanthus breviculus R. G. Swinney 1999-6-28 7435 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, near old [abandoned] homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  RSA592362  Linanthus dianthiflorus subsp. dianthiflorus Mark Hoefs 1974-3-28 413 Los Angeles Santa Catalina Island, ridge above and north of Upper Bulrush Canyon. 335 Comment
  RSA579799  Linanthus dichotomus T. S. Ross, S. D. Boyd 1994-5-24 7862 Los Angeles Northeast summit of Grass Mountain: north slopes draining toward Elizabeth Lake; south slopes toward Green Valley. 1384 Comment
  UCR204037  Linanthus parryae R. G. Swinney 2005-5-14 8231 Los Angeles San Gabriel Mountains, north of Juniper Hills, south of Pear Blossom, southeast corner of Tejon Road and Longview Road (131st Street) 1091 Comment
  UCR86535  Linanthus pygmaeus subsp. pygmaeus T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5337 Los Angeles Channel Islands, West side San Clemente Island, between Box & Horse Canyons 485 Comment
  LA33626  Lithophragma affine Peter H. Raven; 1959-5-3 14099 Los Angeles Santa Monica Mountains, Laurel Pass, Mulholland Drive 0.5 mi. W of Laurel Pass 365 Comment
  SBBG70458  Lithophragma affine M. N. Ackley -Mar-1926 1001 Los Angeles Eagle Rock 213 Comment
  UCR11883  Lithophragma affine P. H. Raven, H. J. Thompson 1960-4-24 15124 Los Angeles Western Transverse Range; Santa Monica Mtns., 2 mi east of Decker Road on Mulholland Hwy 610 Comment
  RSA0051513  Lithophragma affine Elwood Fordham 1951-4-15 s.n. Los Angeles Old Topanga Canyon, near Heron Pl. Gate. 289 Comment
  RSA84365  Lithophragma affine F. W. Peirson 1925-4-23 5805 Los Angeles San Gabriel River 365 Comment
  SFV22057  Lithophragma affine subsp. mixtum V. Soza, L. Gross, B. Hogshead 2001-4-18 1154 Los Angeles Verdugo Mountains Verdugo Mountains. Ridgetop above McDonald Creek. North-northwest-facing slope above trail. 396 Comment
  OBI70664  Lithophragma bolanderi Steve Boyd, Lauren Raz 1997-5-20 9794 Los Angeles Liebre mts Region: N flank of Sawmill Mtn, upper Heryford Cyn drainage; just NE of Sawmill Summit at the jctn of Forest Svc rds 7N23 and 7N08 1585 Comment
  CAS-BOT-BC432211  Lithophragma bolanderi Timothy S. Ross 1993-6-1 7353 Los Angeles Upper Winter Creek Trail between Chantry Flat and Hoegee Camp (on Winter Creek), on the W side of Santa Anita Canyon. Mt. Wilson 7.5 USGS gradrangle. 804 Comment
  SBBG109138  Lithophragma maximum S. A. Junak 1997-10-29 SCl 992 Los Angeles upper part of second cyn S of Camera Pad "Malo" 320 Comment
  SBBG126999  Lobelia dunnii var. serrata A. Parikh, N. Gale 2011-7-15 3563 Los Angeles W Fork San Gabriel River, 3.5 km W of St Hwy 39; San Gabriel Mtns 570 Comment
  UC586853  Lobelia dunnii var. serrata Joseph Andorfer Ewan 1934-8-5 8463 Los Angeles San Gabriel Mountains, Vincent Gulch Vincent Gulch; San Gabriel Mountains, Vincent Gulch 1737 Comment
  RSA436046  Lobularia maritima Anstruther Davidson 1916-07 s.n. Los Angeles Crescenta. Comment
  UCD115901  Lobularia maritima Daryl Koutnik 1978-4-21 396 Los Angeles Scholl Canyon, north of the Eagle Rock. 304 Comment
  UCSB2215  Lobularia maritima Jacobson, Alan 1959-3-27 Los Angeles 12 miles south of U.S. Hwy. 101 on Crenshaw Blvd. in Palos Verdes Comment
  UCSB12427  Loeseliastrum matthewsii Tinnin, Robert 1962-5-4 Los Angeles 12.5 miles northwest of Mountain Top Junction; about 9 miles east of Pearblossom on California State Highway 138 1036 Comment
  RSA0115269  Logfia gallica Richard G. Swinney 2010-6-8 13225 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 100-300m south of Placerita Cyn. in Los Pinetos Cyn. 573 Comment
  RSA600349  Lomatium dissectum var. multifidum Steve Boyd, Lauren Raz 1997-3-26 9381 Los Angeles Liebre Mountains region: Sierra Pelona Ridge, Willow Spring on the southern flank of Martindale Canyon near the northern end of Bouquet Canyon, south of the upper end of the reservoir along Forest Service Road 6N08 1311 Comment
  RSA0105320  Lomatium lucidum Orlando Mistretta, Christine Mistretta 2008-5-20 3171 Los Angeles Southern California Edison transmission line corridor (Segment 6, Impact Area 14 per TRTP Survey 2008), Fish Canyon drainage; Van Tassel Motorway just S of Jct. with Monrovia Cyn Truck Trail. 986 Comment
  UCSC001451  Lomatium mohavense Peter Kamb 1948-5-6 964 Los Angeles desert foothills of the San Gabriel Mts. above Little Rock Little Rock, San Gabriel Mts 975 Comment
  SEINET12118927  Lomatium mohavense H. H. Heller 1937-1 424 Los Angeles 20 mi E of Lancaster on Victorville Road Comment
  UCR209233  Lomatium nevadense R. G. Swinney 2008-6-17 9053 Los Angeles San Gabriel Mountains, ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26 2160 Comment
  CAS-BOT-BC240483  Lonicera hispidula June Giddings 1924-8-1 s.n. Los Angeles Santa Catalina Island Comment
  CLARK-A1528-2397  Lonicera hispidula var. vacillans Henry Joseph Thompson 1960-6-7 3070 Los Angeles Malibu Canyon 152 Comment
  RSA99374  Lonicera hispidula var. vacillans Joseph A. Ewan 1933-7-4 7863 Los Angeles above Madrono Flats, E. Fork Santa Anita Canyon. 1067 Comment
  RSA772101  Lonicera interrupta R. G. Swinney 2009-5-20 10852 Los Angeles Pechner Canyon, SE of community of Juniper Hills. 1463 Comment
  SBBG112917  Lonicera subspicata S. A. Junak 1998-10-21 SCa 812 Los Angeles W side of cyn between White's Landing and Moonstone Beach 30 Comment
  CAS-BOT-BC234869  Lonicera subspicata var. denudata Robert F. Thorne; D. Propst 1968-5-27 37623 Los Angeles Santa Catalina Island: in upper Skull Canyon 304 Comment
  JEPS12859  Lonicera subspicata var. denudata Frank W. Peirson 1918-6-30 217 Los Angeles Mt. Wilson Toll Road San Gabriel Mountains 1371 Comment
  POM68475  Lonicera subspicata var. denudata Marcus E. Jones 1882-1 s.n. Los Angeles Pasadena Comment
  RSA455372  Lonicera subspicata var. denudata L. E. Hoffman 1929-6-23 s.n. Los Angeles Mouth [of] Pacoima Canyon. San Gabriel Mountains, Angeles Forest. Comment
  RSA547468  Lonicera subspicata var. denudata T. S. Ross, Orlando Mistretta 1992-7-24 6739 Los Angeles San Gabriel Mountains; NNE of Strawberry Peak between Coldwater and Wickiup Canyons. 987 Comment
  UC1595332  Lonicera subspicata var. denudata Tim Ross, Orlando Mistretta 1992-7-24 6739 Los Angeles nne Strawberry Peak summit (between Coldwater and Wickiup Canyons); San Gabriel Mts. 987 Comment
  UC213439  Lonicera subspicata var. denudata I. M. Johnston 1917-7-28 Los Angeles N. Fk. San Antonio Canyon San Antonio Mountains 1905 Comment
  RSA0054965  Lonicera subspicata var. johnstonii Lee Haines 1935-7-2 s.n. Los Angeles Tan Bark Flat, San Gabriel Mts. Comment
  RSA589230  Lotus argophyllus var. argophyllus T. S. Ross 1990-6-8 2917 Los Angeles Upper Big Tujunga Canyon: ridge and slopes descending +/-ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats). 1250 Comment
  SFV12388  Lotus grandiflorus D. L. Koutnik 1978-5-10 471 Los Angeles Santa Monica Mountains End of Corral Canyon Road. 732 Comment
  UC57381  Lotus grandiflorus J. H. Barber 1897-3-28 107 a Los Angeles Santa Monica Canyon Comment
  POM156519  Lotus heermannii var. heermannii L. R. Abrams 1902-7-4 2651 Los Angeles San Gabriel Canyon Comment
  RSA587478  Lotus heermannii var. heermannii Orlando Mistretta, S. D. Boyd, Darin Banks 1994-4-29 1127 Los Angeles San Gabriel Mountains, Santiago Canyon, slopes W of main drainage below Mt. Emma. 1341 Comment
  RSA594569  Lotus heermannii var. heermannii L. C. Wheeler 1967-7-30 10252 Los Angeles San Gabriel MountaiSan Gabriel Mountains. 1.6 mi. N of junction of 3N33 and 3N06 about 350-450 tds. due west of Shade Campground at base of east-facing slope. N fork Lytle Creek, on 3N33.ns. Big Tujunga Canyon at Trail Canyon. 518 Comment
  RSA660060  Lotus heermannii var. heermannii Matt Bogdanoff 1981-5-24 10 Los Angeles Big Dalton Cyn. Rd., 0.7 mi E of junction with Glendora Mtn. Rd., N of Glendora. 396 Comment
  JEPS55513  Lotus humistratus Frank W. Peirson 1919-5-11 406 Los Angeles Arraster Canyon San Gabriel Mountains 853 Comment
  RSA725749  Lotus humistratus A. C. Sanders, Mark A. Elvin 2003-5-1 26280 Los Angeles Western San Gabriel Mtns.: NE side of Castaic Mesa, ca 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch. 396 Comment
  UCR125483  Lotus humistratus A. C. Sanders, Mark Elvin 2003-4-14 25960 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  UCR126638  Lotus humistratus A. C. Sanders, Mark A. Elvin, and others 2003-4-16 26056 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park 396 Comment
  UC1587666  Lotus nevadensis var. davidsonii Tim Ross 1991-8-14 5789 Los Angeles 0.5 mi e Lower Pacifico Campground Rd. (Pacifico Mtn Rd); San Gabriel Mountains, Pacifico Mtn. U.S.G.S. 7.5' Quad. 1926 Comment
  UCR271308  Lotus oblongifolius R. G. Swinney 2011-10-10 15728 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  JEPS8612  Lotus oblongifolius var. oblongifolius Rimo Bacigalupi with G. T. Robbins and L. R. Heckard 1953-6-15 4205 Los Angeles 8.8 mi w (below) Messenger Flat Forest Service Public Camp (at crossing of North Fork Pacoima Creek); San Gabriel Mountains, Angeles National Forest 1188 Comment
  UCR280876  Lotus procumbens var. procumbens R. G. Swinney 2014-5-7 16403 Los Angeles San Gabriel Mountains, east of Valyermo, east end of Holcomb Ridge, 0.35-0.45 miles north of Panorama Rd., 2.5 road miles east of Bob's Gap Road, in north-south arroyo cutting through Holcomb Ridge 1366 Comment
  UC57391  Lotus purshianus var. purshianus J. H. Barber 1898-8-3 Los Angeles Topanga Comment
  POM128895  Lotus salsuginosus F. M. Reed 1909-7-2 2809 Los Angeles Pebbly Beach Road, Santa Catalina Island Comment
  RSA725748  Lotus salsuginosus A. C. Sanders, Mark A. Elvin 2003-5-1 26281 Los Angeles Western San Gabriel Mtns.: NE side of Castaic Mesa, ca 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch. 396 Comment
  UC457253  Lotus salsuginosus Carl Epling 1931-4-18 Los Angeles Los Alisos Canyon Santa Monica Mountains Comment
  UCR260340  Lotus salsuginosus R. G. Swinney 2010-5-4 12539 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
  RSA573454  Lotus scoparius T. S. Ross 1992-6-15 6558 Los Angeles Whittier Hills (local name for the western extremity of the Puente Hills): upper end of Turnbull Canyon. 294 Comment
  RSA0076017  Lotus strigosus R. G. Swinney 2010-4-1 12129 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  RSA724513  Lotus strigosus K. Dobry 1991-5-2 564 Los Angeles West San Gabriel Mts at Elsmere Cyn Comment
  UC864921  Lotus strigosus I. W. Clokey and B. C. Templeton 1930-4-8 4663 Los Angeles n of Elizabeth Lake Comment
  RSA279081  Lotus wrangelianus R. F. Thorne 1971-4-9 41520 Los Angeles Below dam in San Dimas Canyon. 426 Comment
  RSA355468  Ludwigia peploides subsp. peploides Anstruther Davidson 1889-07 s.n. Los Angeles Cienega, Los Angeles. Comment
  UCR222801  Lupinus R. G. Swinney 2009-5-9 10707 Los Angeles Transverse Range; San Gabriel Mtns., Azusa, San Gabriel River near Van Tassel Canyon confluence, 1.2 miles north of Foothill Blvd. on east side of El Encanto Parkway 183 Comment
  UCR275823  Lupinus D. E. Bramlet 2011-9-21 4950 Los Angeles San Gabriel Mountains, Pacifico Mountain 2163 Comment
  RSA729781  Lupinus andersonii R. G. Swinney 1998-7-2 6243 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
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May 3 2010
  SEINET10488490  Lupinus arboreus David B. Dunn 1957-5-18 Dunn s.n. Los Angeles Plants 3 years old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by d.b.dunn. Rsa # 6846 x 7352 Comment
  SBBG98275  Lupinus bicolor G. G. Grant 1905-4-7 Los Angeles Pasadena Comment
  OBI12932  Lupinus bicolor D. H. Thomson 1944-5-7 s.n. Los Angeles Burbank, Verdugo Hills mt range Comment
  OBI45222  Lupinus bicolor Rudy Mattoni April1986 s.n. Los Angeles El Segundo Dunes, back edge of the beach just W of Los Angeles International Airport 6 Comment
  SEINET10484903  Lupinus bicolor subsp. microphyllus David B. Dunn 1948-3-20 Dunn 3783 Los Angeles Along a roadside about 1 block w of grand ave. On cypress ave. About a mile ne Of covina. Comment
  CAS-BOT-BC187875  Lupinus chamissonis LeRoy Abrams 1902-6-9 2502 Los Angeles Playa del Rey Comment
  UC729812  Lupinus concinnus Carl B. Wolf 1932-5-10 3529 Los Angeles summit of the Equestrian Trail back Avalon, Santa Catalina Island; Santa Catalina Island, back of Avalon 304 Comment
  RSA0042231  Lupinus concinnus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2851 Los Angeles Santa Catalina Island: Upper end of road to Toyon Beach. 381 Comment
  RSA414469  Lupinus elatus Robert Gustafson 1983-7-18 2786 Los Angeles San Gabriel Mountains, Angeles Crest Highway, Pine Hollow 2134 Comment
  UC127557  Lupinus excubitus J. Burtt Davy May 9 1896-May 24 1896 2494 Los Angeles Manzana , Manzana (Antelope Valley) Comment
  CAS-BOT-BC216651  Lupinus excubitus subsp. hallii I. M. Johnston 1918-7-6 2078 Los Angeles Prairie Fork of San Gabriel River 1828 Comment
  OBI74530  Lupinus excubitus var. hallii Bruce Berlin 2010-6-2 s.n. Los Angeles Puente Hills Comment
  SEINET10485298  Lupinus excubitus var. hallii David B. Dunn 1956-1 Dunn RSA 6226 x 6452(2) Los Angeles Plants 2 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Pressed by howard brown. Hybridization by david b. Dunn. The numbers Are the field plant numbers of rsa. 1St # is female parent x 2nd # male Parent. () Parenthetic # is f1 plant number. Seeds from open field pollen Vector. Comment
  SEINET10485299  Lupinus excubitus var. hallii David B. Dunn 1956-1 Dunn RSA# 8292 x 6456 Los Angeles Plants 2 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. The numbers are the field plant Numbers of rsa. 1St # is female parent x 2nd # male parent () parenthetic # is F1 plant no. Seeds from open field pollen vector. Comment
  LA83665  Lupinus excubitus var. johnstonii O. H. Kappler; 1947-6-7 1473 Los Angeles San Gabriel Mountains, Mount Waterman Area, along Angeles Crest Hiway 2133 Comment
  POM175570  Lupinus excubitus var. johnstonii E. Crow 1930-6-29 s.n. Los Angeles Along trail between Camp Coldbrook and Pine Flats, San Gabriel Mountains. Comment
  RSA586460  Lupinus excubitus var. johnstonii Orlando Mistretta, S. D. Boyd 1994-6-21 1367 Los Angeles Santiago Canyon, near summit of Pacifico Mountain 1982 Comment
  SBBG69111  Lupinus formosus R. Hoffmann 1929-5-19 Los Angeles between Big Rock Crk and Los Angeles Recreation Park Comment
  SEINET10485357  Lupinus formosus Robert F. Thorne, C. W. Tilforth 1971-6-30 Thorne 40774 Los Angeles San gabriel mtns. Angeles national forest. On sandy bottom and margins of dry Stream bed of s fork of little rock creek. Ca .3 mi below alder saddle. Flowers purple. 1615 Comment
  UCD107744  Lupinus formosus C. F. Baker 1909-5-1 5303 Los Angeles Claremont. Comment
  RSA414468  Lupinus formosus var. formosus Robert Gustafson 1973-5-17 s.n. Los Angeles ca .4 mile above Charlton Flats campground 1677 Comment
  RSA753967  Lupinus formosus var. formosus Robert F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 54990 Los Angeles 1/4-1/2 mile north of Bob's Gap, north slope of Holcomb Ridge, about 2.5 miles due south of Llano. 1159 Comment
  POM2496  Lupinus hirsutissimus C. F. Baker 1904-4-1 4096 Los Angeles Claremont. Comment
  SD21295  Lupinus hirsutissimus Norman E. Bilderback 1938-4-17 Los Angeles Santa Catalina Island, Avalon Comment
  UCR276790  Lupinus hirsutissimus R. G. Swinney 2011-3-29 14259 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
  RSA534075  Lupinus hirsutissimus Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5268 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 t SE of Malo Knoll [1396]) 384 Comment
  LA91485  Lupinus longifolius Bruce Douglas Clayton; Greg Shaw 1972-4-11 86 Los Angeles Santa Monica Mountains, BDC Peak, Mountain Park Research Campus, N side of peak 579 Comment
  RSA3239  Lupinus longifolius Carl B. Wolf 1931-6-25 2243 Los Angeles Along Beverly Blvd., on grade leading down into Santa Monica Canyon. 46 Comment
  SFV12389  Lupinus longifolius D. L. Koutnik 1978-6-3 520 Los Angeles Santa Monica Mountains Dry Canyon - Cold Creek Road between Mulholland Highway and Old Topanga Canyon Road. 305 Comment
  UC440473  Lupinus longifolius Carl Epling and Lincoln Ellison 1929-4-27 Los Angeles Topango Canyon Comment
  UCR137731  Lupinus longifolius L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mtns, Divide between Punchbowl Canyon and Watkins Creek, at end of the road and beginning of Burkhart Trail 1585 Comment
  UCR126600  Lupinus microcarpus var. microcarpus A. C. Sanders, Mark A. Elvin 2003-4-16 26037 Los Angeles Santa Clara River watershed, Newhall Ranch, c. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 366 Comment
  UC723825  Lupinus sparsiflorus Joseph Andorfer Ewan IV 1933 10909 Los Angeles Higgins Canyon; Santa Monica Mts., Higgins Canyon 457 Comment
  POM23929  Lupinus sparsiflorus subsp. sparsiflorus George B. Grant 1904-5-10 s.n. Los Angeles Pasadena. Comment
  RSA249813  Lupinus sparsiflorus subsp. sparsiflorus R. F. Thorne 1973-4-20 43011 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
  RSA679914  Lupinus stiversii LeRoy Gross, Sarah J. De Groot 2003-5-17 922 Los Angeles Mt. Lowe fire road (2N50.1) 1402 Comment
  RSA656102  Lupinus subvexus James Henrickson 1985-3-30 19762 Los Angeles 3 air mi. NNW of Newhall in proposed North Hills development just north of Santa Clara River and just E of San Francisquito Creek. 370 Comment
  PASA1682  Lupinus succulentus Mary Hall 1939-4-28 Los Angeles Claremont Comment
  RSA187869  Lupinus succulentus Robert F. Thorne 1966-4-4 35762 Los Angeles Santa Catalina Island: Bluff SE of Ballast Point and Catalina Harbor, Isthmus 61 Comment
  POM2616  Lupinus succulentus M. Hitchcock 1918-7-18 18 Los Angeles Van Nuys 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
  RSA414359  Lupinus truncatus F. R. Fosberg 1931-3-25 4374 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island. 100 Comment
  UC26136  Lycium brevipes Blanche Trask 1890-1 Los Angeles Santa Catalina Island, Avalon Avalon; Santa Catalina Island, Avalon Comment
  SEINET10697084 Image available Lycium chinense Heidi H. Schmidt 1999-10-14 Schmidt 3809 Los Angeles City of San Gabriel. Hawaii Supermarket: 120 East Valley Boulevard: San Gabriel, CA: 91776: (626) 307-0062 - phone. 110 Comment
  CDA38012  Lycium ferocissimum J. L. Johnson 1979-3-6 s.n. Los Angeles 431 Culver, Playa Del Rey. 0 Comment
  RSA451797  Lyonothamnus floribundus subsp. floribundus Reid V. Moran 1941-2-28 652 Los Angeles Head of Johnson's Canyon, Santa Catalina Island. 400 Comment
  UC1595269  Madia elegans Tim Ross 1992-7-16 6688 Los Angeles just e Military Reservation (near summit Mt. Gleason); San Gabriel Mountains, near summit Mt. Gleason 1901 Comment
  UCR242054  Madia elegans Dan S. Cooper 2012-8-31 812- 24 Los Angeles Western Transverse Range; Santa Monica Mountains, Decker Canyon Road/Westlake Blvd (Hwy 23) southwest of Westlake Village and 0.6 km north of Mulholland Hwy 537 Comment
  UCR143071  Madia exigua F. R. Fosberg 1931-5-7 S- 4833 Los Angeles Channel Islands, Santa Catalina Island; Cottonwood Canyon, right/south fork 250 Comment
  UC306443  Madia gracilis I. Johnston July 1917 1438 Los Angeles Evy Canyon Comment
  CAS-BOT-BC343600  Madia sativa Ernest Braunton 1902-8-1 655 Los Angeles Oak Knoll Comment
  RSA729429  Maianthemum stellatum Richard G. Swinney 1998-7-14 6428 Los Angeles Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine. Spring and meadow surrounded by montane coniferous forest; area burned in summer 1997. 2195 Comment
  RSA636097  Maianthemum stellatum Louis C. Wheeler 1954-8-30 7059 Los Angeles San Gabriel Mountains: Buckhorn Campground. . Comment
  CAS-BOT-BC203922  Malacothamnus clementinus Frank W. Peirson 1923-4-9 3458 Los Angeles N. slope canon [canyon] at Lemmon [Lemon] Tank, San Clemente Is. Comment
  SD60292  Malacothamnus davidsonii C. B. Wolf 1932-9-15 4076 Los Angeles Ca. 0.5 mile south of San Fernando and 2 blocks east of San Fernando Road on Vaughn Ave. 305 Comment
  UCR113022  Malacothamnus davidsonii L. C. Wheeler 1967-7-30 10279 Los Angeles San Gabriel Mtns, Angeles National Forest: Trail Canyon c. one-half way between Tom Lucas Campground and BM 3434. 1006 Comment
  UC167153  Malacothamnus fasciculatus Walter Wheeler 1904-7-5 Los Angeles Covina Comment
  SBBG13475  Malacothamnus fasciculatus var. catalinensis E. R. Blakley 1962-10-5 5422 Los Angeles old mill site in Hen Cove N of White's Landing 3 Comment
  CAS-BOT-BC206367  Malacothamnus fremontii Ernest C. Twisselmann 1966-7-13 12617 Los Angeles Cuddy Canyon Road at the Ridge Route Freeway - San Emigdio Range and the Mt. Pinos Region 1188 Comment
  UCR127638  Malacothamnus marrubioides Mark A. Elvin 2003-8-13 2988 Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River at the mouth of Long Canyon 274 Comment
  RSA526552  Malacothrix foliosa Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-7 4238 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  UC557744  Malacothrix foliosa Nell Murbarger May, 1936 164 Los Angeles e and n sides of island San Clemente Island Comment
  RSA534011  Malva parviflora Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5105 Los Angeles San Clemente Island. 550 ft SSW of the 927 BM at the E end of the old airfield landing strip. 280 Comment
  LA201760  Malvella leprosa Arthur C. Gibson; 2003-10-7 4839 Los Angeles 204 Comment
  LA200401  Marah macrocarpa J. A. Ewan; 1931-3-3 4051 Los Angeles 304 Comment
  RSA0119953  Marah macrocarpa R. G. Swinney 2014-5-21 16626 Los Angeles San Gabriel Mountains; Glendora, along ridgetop and n. side of ridge, due south of the w. fork of Harrow Cyn., n. of the terminus of Glendora Ave., along historic and un-used Whitcomb Trail, trail abandoned in early 1970's. 549 Comment
  SBBG19194  Marah macrocarpa M. A. Piehl 1965-12-7 631064 Los Angeles base of Pyramid Head 6 Comment
  UCSB9121  Marah macrocarpa Wedberg, H. 1958-2-22 Los Angeles Mulholland Drive, 1/8 mile W of fire station, W of Beverly Glen Blvd., Santa Monica Mts. Comment
  UC284136  Marah macrocarpa P. A. Munz 1923-4-11 6779 Los Angeles e coast San Clemente Island Comment
  UCSB9126  Marah macrocarpa McElwain, Isabelle 1953-3-29 Los Angeles 1/4 mile north of 18000 Bull Canyon Rd., Granada Hills Comment
  RSA440969  Marah macrocarpa var. major Blanche Trask 1900-03 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  RSA440970  Marah macrocarpa var. major Blanche Trask 1901-03 s.n. Los Angeles Avalon, Santa Catalina Island Comment
  HSC12387  Marrubium vulgare Wendell Wood 1970-6-22 27 Los Angeles Tujunga Canyon Rd., 3 mi. beyond intersection of Mt. Gleason Ave., Tujunga 457 Comment
  SDSU7022  Marrubium vulgare D. F. Howe 1915-4-1 38 Los Angeles Claremont. Comment
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Dec 5 2008
  UCD134452  Matricaria occidentalis Ernest C. Twisselmann 1964-5-7 9389 Los Angeles Avenue A, south of Rogers Lake, Edwards Air Force Base. 614 Comment
  POM349095  Medicago polymorpha Franklin W. Klepinger 1938-3-26 s.n. Los Angeles Santa Susana Pass. Comment
  LA33777  Medicago polymorpha Peter H. Raven; Henry J. Thompson 1959-5-5 14118 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  SFV21397  Medicago polymorpha L. Gross 2002-4-13 527 Los Angeles Verdugo Mountains Intersection of Stough Canyon Mountainway and Verdugo Mountainway along main crest. 579 Comment
  RSA609977  Medicago sativa L. C. Wheeler 1970-6-26 s.n. Los Angeles San Gabriel Mountains: Mine Gulch Camp, East Fork San Gabriel River. 1371 Comment
  CHSC95518  Melia azedarach LeRoy Gross; Valerie Soza 2003-5-15 920 Los Angeles Transverse Ranges; Verdugo Mountains region: Northwest side of mountains: North of La Tuna Canyon road, started at end of Elben Ave. Climbed north to ridgetop, south of McDonald Creek, then east along ridgeline, then we came back down into a small canyon at the end of Elben Place, just east of where we started. UTM Zone; 3789207N, 0377280E. 366 Comment
  CSUSB856  Melia azedarach Art Whistler 1966-5-17 Los Angeles On grassy roadbank west of Cohasset Street and near Roscoe Street at Valley Circle. Canoga Park (city). Comment
  RSA0085096  Melia azedarach R. G. Swinney 2010-4-1 12156 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  CAS-BOT-BC281516  Melica imperfecta Frank W. Gould 1944-4-1 2193 Los Angeles At Playa Del Rey Comment
  RSA527671  Melica imperfecta Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4289 Los Angeles San Clemente Island: east side of the island, near Malo Point, 1st canyon south of Bryce Canyon. Comment
  RSA653831  Melica imperfecta Valerie L. Soza, Shalini Deo, Stephen Dreher 2000-4-27 801 Los Angeles Verdugo Mountains, south side: Wildwood Canyon, Wildwood Canyon Park, at end of paved Wildwood Canyon Road at junction with fire road. 488 Comment
  RSA729959  Melica imperfecta R. G. Swinney, D. W. Larson 1999-6-25 7406 Los Angeles San Gabriel Mtns.: Fern Canyon at falls, c. 1,7 mi. east of confluence with upper East Fork San Dimas Canyon 1159 Comment
  SD260874  Melica imperfecta R. G. Swinney 2010-4-13 12197 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.2 - 0.5 miles east of Pacoima Canyon. In burn area of 2009 Station Fire. 561 Comment
  UCD87952  Melica imperfecta F. W. Peirson 1923-4-12 3420 Los Angeles Wilsons Cove, San Clemente Island. Comment
  UCD88055  Melica imperfecta Robert F. Thorne; P. Everett 1965-5-12 34624 Los Angeles Bulrush Canyon, Santa Catalina Island. 243 Comment
  CATA1050  Melilotus albus Mark L. Hoefs 1995-5-10 1981 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail 70 Comment
  RSA579234  Melilotus indicus Tim S. Ross 1994-3-28 7404 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes, unnamed horseshoe shaped Canyon to the NE of upper Forestal Drive. 165 Comment
  UCR95490  Mentha X piperita Steve Boyd, Lauren Raz 1996-10-8 8988 Los Angeles Liebre Mountains, Bouquet Canyon, c. 1.7 mi south of the junction with Forest Service Road 6N08 561 Comment
  UCR91566  Mentzelia albicaulis A. C. Sanders, E. J. Lawlor 1988-4-3 7736 Los Angeles Southern Mojave Desert, 1.3 mi. NW of the San Bernardino County line on Hwy 138, c. 2 mi. NW of Pinyon Hills. 1159 Comment
  UC73396  Mentzelia congesta H. M. Hall 1899-6-20 1228 Los Angeles San Antonio Mountains, Lytte Creek Canyon 1752 Comment
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Mar 21 2014
  UCR191251  Mentzelia congesta R. G. Swinney 1998-7-2 6220 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  SBBG69317  Mentzelia micrantha M. N. Ackley -May-1926 501 Los Angeles Big Tujunga Ranger Station 511 Comment
  UC729790  Mentzelia micrantha Carl B. Wolf 1932-5-11 3568 Los Angeles Point w. side Fourth O' July Cove; Santa Catalina Island 30 Comment
  UCR219924  Mentzelia micrantha R. G. Swinney, Jane Strong 2009-4-21 10403 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mi. north (upstream) of Puente Largo bridge 218 Comment
  UCR220382  Mentzelia micrantha R. G. Swinney 2009-4-16 10354 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel Canyon, 0.3 to 0.6 miles NW (upstream) of confluence with San Gabriel River 280 Comment
  RSA446790  Mentzelia montana Bonnie C. Templeton 1933-5-16 5132 Los Angeles West Blue Ridge, Big Pines Park, San Gabriel Mts. 2195 Comment
  SEINET11942230  Mesembryanthemum crystallinum J. F. Bright, Wyman, C. 1931-1 5727 Los Angeles Hollywood Comment
  RSA618700  Microseris douglasii subsp. douglasii Scott D. White, Sandy Leatherman 1998-5-19 6540 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, between 1-5 fwy./ Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  UCR191687  Microseris heterocarpa A. C. Sanders 2008-4-18 34960 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, west side of canyon toward mouth 995 Comment
  RSA251529  Microseris heterocarpa R. F. Thorne 1973-4-11 42788 Los Angeles San Clemente Island; small pools in gully at head of Middle Ranch Canyon in grassy plateau. 427 Comment
  UCR222813  Microseris lindleyi R. G. Swinney 2009-4-29 10584 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
  UCR259089  Microseris lindleyi R. G. Swinney 2010-5-12 12754 Los Angeles San Gabriel Mountains, Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  RSA711113  Mimulus aurantiacus Tim Thibault, K. E. Olshewsky 2004-5-22 267 Los Angeles fire road off Hwy. 2 910 Comment
  UCD122224  Mimulus aurantiacus Marc Meyer; Mike Alvord 1993-5-1 22 Los Angeles San Gabriel Mts., Chatsworth, at end of Desoto Ave. by 118 Fwy. 400 Comment
  OBI69387  Mimulus aurantiacus var. aurantiacus Suzan Barth, Steven Korenstein 1994-4-2 8 Los Angeles Santa Susana Mts. Northridge, Palisades Trl Aliso Cyn. 200 m E of Reseda Blvd 150 Comment
  UCR205272  Mimulus aurantiacus var. pubescens R. G. Swinney 2005-8-17 8495 Los Angeles San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Holcomb Canyon south of South Fork Trail 1524 Comment
  LA51868  Mimulus brevipes Carl Epling; M. Epling 1925-5-2 sn Los Angeles Santa Monica Mountains, Griffith Park 335 Comment
  LA51878  Mimulus brevipes Carl Epling; 1926-5-8 sn Los Angeles Santa Monica Mountains, Topango Canyon Comment
  UC569723  Mimulus constrictus A. D. Gifford 1935-5-11 709 Los Angeles 2 1/2 mi s Neenach; Tejon Quadrangle 1066 Comment
  RSA165694  Mimulus constrictus Brian C. Miller, W. Griesel 1963-7-2 s.n. Los Angeles Road between Liebre Camp and Sawmill Camp. 1463 Comment
  UC483215  Mimulus floribundus L. R. Abrams and I. L. Wiggins 1931-7-6 394 Los Angeles vicinity Mosquito Harbor; Channel Islands, San Clemente Island Comment
  UCR190091  Mimulus floribundus R. G. Swinney 1998-7-30 6583 Los Angeles San Gabriel Mtns., tributary of Cow Canyon at Fallen Leaf Spring, c. 2.4 mi. SW of Cow Cyn. Saddle on Glendora Ridge Rd. 1338 Comment
  UCR259608  Mimulus floribundus R. G. Swinney 2010-9-7 13689 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  UCR87229  Mimulus floribundus R. G. Swinney 1992-7-3 1810 Los Angeles San Gabriel Mtns, Glendora, Little Dalton Debris Basin 366 Comment
  RSA746860  Mimulus floribundus Orlando Mistretta 1992-5-21 369 Los Angeles Transverse Ranges; San Gabriel Mtns region: Right Star Mine, S of Acton. Comment
  RSA408122  Mimulus fremontii var. fremontii Anstruther Davidson 1891-06 s.n. Los Angeles Glendale. Comment
  RSA724666  Mimulus guttatus K. Dobry 1991-6-28 f- 884 Los Angeles Santa Monica Mts. Las Virgenes Rd. and Mulholland Hwy. at Soka Univ., E. Section Comment
  UCR174492  Mimulus guttatus Jennifer H. Jones 2006-5-17 305 Los Angeles Transverse Ranges; Foothills of San Gabriel Mtns., Just in front of Claremont Wilderness Park. N end of Mills Avenue 497 Comment
  JEPS11453  Mimulus guttatus Frank W. Peirson 1918-8-6 259 Los Angeles old trail to Mt. Wilson; San Gabriel Mountains 838 Comment
  UC1595270  Mimulus johnstonii Tim Ross 1992-7-16 6707 Los Angeles ene side Condor Peak; San Gabriel Mountains 1548 Comment
  SFV3396  Mimulus parishii M. L. Vincent 1962-10-4 290 Los Angeles San Gabriel Mountains Valyermo Road near Pallett Creek. 1100 Comment
  UCR205597  Mimulus rubellus R. G. Swinney 2008-5-13 8864 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, Holcomb Canyon at junction with South Fork Trail 1390 Comment
  RSA549200  Minuartia douglasii Timothy S. Ross, Peter Fritsch 1990-6-20 3677 Los Angeles San Gabriel Mountains: Rincon-Red Box Rd (2N24); ridgetop between W Fork San Gabriel River and Roberts Canyon. 1329 Comment
  RSA586478  Minuartia douglasii Orlando Mistretta 1995-6-20 1820 Los Angeles Bare Mountain Canyon. 1829 Comment
  RSA65593  Minuartia nuttallii subsp. gracilis F. W. Peirson 1921-6-17 2437 Los Angeles Divide between Little Rock Creek and Bear Creek, north side of San Gabriel Mountains 2073 Comment
  RSA585333  Mirabilis bigelovii var. retrorsa Tim S. Ross 1991-4-27 4702 Los Angeles Black Butte: rocky easterly and northeasterly slopes. 960 Comment
  UCR95444  Mirabilis californica var. californica L. C. Wheeler 1967-4-30 9245 Los Angeles San Gabriel Mtns, Limekiln Canyon 564 Comment
  CAS-BOT-BC384002  Mirabilis jalapa Geo. B. Grant 1904-10-1 6430 Los Angeles Pasadena Comment
  UCR266183  Mirabilis laevis John Knapp, Denise Knapp 2003-5-10 55 Los Angeles Channel Islands, Catalina Island 427 Comment
  CAS-BOT-BC434632  Mirabilis laevis var. crassifolia John H. Thomas 1957-4-27 6676 Los Angeles Pt. Dume, about 18 miles due west of Santa Monica. 60 Comment
  RSA464646  Mirabilis laevis var. crassifolia Louis C. Wheeler 322 Los Angeles Foot of hills .5 miles E Palmer Canyon, San Gabriel Mountains. 610 Comment
  RSA0027978  Mirabilis laevis var. crassifolia Orlando Mistretta, Christine Mistretta 2008-4-30 2572 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 19 per TRTP survey, 2008), in the vicinity of Ritter Ridge, S side of Antelope Valley. 1034 Comment
  UC557812  Mirabilis laevis var. crassifolia Nell Murbarger Mar 1936 234 Los Angeles San Clemenete Island, California Comment
  RSA611511  Mirabilis laevis var. villosa Louis C. Wheeler 1968-5-12 s.n. Los Angeles Spring 2/3 mile E of Juniper Bowl; Juniper Hills. 1159 Comment
  LA202434  Modiola caroliniana Arthur C. Gibson; 2006-7-11 5115 Los Angeles SANTA MONICA MOUNTAINS, grounds of the former Soka University on Mulholland Hwy. Comment
  UC1293674  Monardella breweri subsp. lanceolata P. C. Everett and E. K. Balls 1959-6-2 23826 Los Angeles 1 mi ne of entrance Stokes Canyon; Santa Monica Mts. 182 Comment
  RSA0073224  Monardella candicans var. exilis Bonnie C. Templeton 1931-5-17 1204 Los Angeles North end of Boquet Canyon, San Gabriel Mts. Comment
  POM4064  Monardella cinerea I. M. Johnston 1917-8-22 1693 Los Angeles Little Baldy 2896 Comment
  RSA408714  Monardella hypoleuca H. E. Hasse 1906-01 1621 Los Angeles [Topanga canyon. ?] Comment
  RSA230737  Monardella linoides subsp. stricta Robert F. Thorne, M. Z. Thorne 1969-7-9 38480 Los Angeles Angeles National Forest: Table Mt. above Big Pines Ranger Station. 2119 Comment
  RSA401626A  Monardella macrantha subsp. macrantha Fordyce Grinnell Jr. 1917-08 3265 Los Angeles near Barley Flats Comment
  PASA373  Montia perfoliata Imogene Hammond Los Angeles Millard CaŤñon, Pasadena Comment
  RSA150864  Muhlenbergia appressa P. H. Raven 1962-4-12 173224 Los Angeles Near foot of canyon south of canyon below the Tomb, west side of San Clemente Island 137 Comment
  CAS-BOT-BC275278  Muhlenbergia microsperma W. R. Dudley 1907-12-1 s.n. Los Angeles Sawpit Canyon near Monrovia Comment
  RSA177743  Muhlenbergia microsperma R. F. Thorne, P. Everett 1965-5-11 34654 Los Angeles Cottonwood Dam in Cottonwood Canyon, Santa Catalina Island. Comment
  SBBG131585  Muhlenbergia microsperma S. A. Junak 2000-4-15 SCa 1217 Los Angeles E of Lone Tree, at head of cyn, next to top of S-facing bluffs 445 Comment
  SBBG131950  Muhlenbergia microsperma S. A. Junak 2000-5-18 SCa 1296 Los Angeles W side of 4th of July Cove, 0.1 mi from turnoff to camp 36 Comment
  RSA607624  Muhlenbergia rigens L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: Goldenrod Spring, Ebey Canyon. 594 Comment
  RSA773296  Muhlenbergia rigens R. G. Swinney 2009-6-3 11050 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UC1537187  Muilla coronata Gordon H. True 1935-3-27 165 Los Angeles flats near Belleview School (4 mi nw of Palmdale) 792 Comment
  SBBG12561  Munzothamnus blairii P. H. Raven 1962-5-10 17717 Los Angeles high on a cliff, just N of Thirst 198 Comment
  RSA0037414  Myriophyllum R. G. Swinney 2010-9-1 13644 Los Angeles San Gabriel Mountains/Verdugo Mountains: Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds. 341 Comment
  SBBG120272  Myriopteris covillei R. Burgess, P. Munro 1999-4-17 3260 Los Angeles N side of Canton Crk above first narrows, NE of Lake Piru 487 Comment
  SD112352  Myriopteris covillei Darley F. Howe 1915-4-1 28 Los Angeles Claremont Comment
  SEINET8043945 Image available Myriopteris covillei Joseph Cahill 2011-1 111 -07 Los Angeles Transverse Ranges; San Gabriel Mountains: Angeles National Forest, along Glendora Ridge Rd. c. 2.5 miles from southwest of Mount Baldy Village. 1216 Comment
  RSA729958  Nama demissa var. demissa R. G. Swinney 1999-4-5 7062 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
  PASA2105  Nama rothrockii Frank W. Peirson 1930-7-7 Los Angeles Arrastre Flat, San Bernardino Mts. 2285 Comment
  CAS-BOT-BC219356  Nama stenocarpa L. R. Abrams 1899-4-1 340 Los Angeles Soldiers Home Reservoir Comment
  CAS-BOT-BC259907  Nassella lepida P. A. Munz; R. D. Harwood 1920-4-21 3704 Los Angeles San Dimas Canon [San Dimas Canyon] 457 Comment
  IRVC26850  Nassella lepida F. R. Fosberg 1931-3-19 S 4304 Los Angeles Hamilton Canyon; near Avalon. Santa Catalina Island 10 Comment
  RSA654581  Nassella lepida Ron Martinolich 1991-5-14 76 Los Angeles Los Angeles, Muholland Drive, 1.7 mi. west of intersection with Encino Hills Dr. Comment
  LA9419  Nassella pulchra A. M. Johnson; 1932-3-4 3925 Los Angeles Westwood, UCLA campus. Faculty Hill Comment
  POM116533  Nassella pulchra Marcus E. Jones 1882-5-2 s.n. Los Angeles Pasadena. Comment
  SBBG98546  Nassella pulchra T. Ross, O. Mistretta, M. Hammitt 1991-5-20 5340 Los Angeles between Box and Horse Cyns 484 Comment
  CDA21168  Nassella tenuissima M. O'Brien 2007-4-22 MOB 1 -2007 Los Angeles South Coast; Malibu Bluffs State Recreation Area, 0 Comment
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Dec 6 2014
  RSA647895  Nasturtium officinale LeRoy Gross, Wayne Law 2000-8-8 179 Los Angeles Big Tujunga Wash/ Verdugo Mountains region: East of Hansen Dam, entered at Orcas Ave. Parked at Orcas Park, hiked east of this park along river (just north of Wentworth Street), but not as far as the Tujunga ponds. 325 Comment
  UC856870  Navarretia hamata Ira W. Clokey, B. Templeton 1929-7-1 4577 Los Angeles Mandeville Canyon Santa Monica Mountains 250 Comment
  RSA252945  Nemacladus longiflorus var. breviflorus R. F. Thorne, Gary D. Wallace 1973-4-24 43421 Los Angeles Junction of Pallett Creek and Longview Roads: ca. 4 mi S of Pearblossom. 1174 Comment
  UCR177498  Nemacladus sigmoideus LeRoy Gross 2005-5-19 2285 a Los Angeles Tehachapi Mountains, SE base of the mountains, just above the the W side of Cottonwood Creek 1174 Comment
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Feb 18 2017
  UCR222835  Nemacladus sigmoideus R. G. Swinney 2009-4-29 10596 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  UCR172709  Nemophila menziesii Jun Hu, Weena Sangkatavat 2000-4-22 06 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, 2 mi N of Altadena. First trail on the right immediately before Millard Campground 549 Comment
  SEINET5521013  Nemophila menziesii G. B. Grant March 3rd 833 Los Angeles Pasadena, southern CA Comment
  UC67157  Nemophila menziesii var. integrifolia E. Braunton 1903-4-15 862 Los Angeles Comment
  RSA586350  Nemophila menziesii var. menziesii Orlando Mistretta 1995-3-17 1545 Los Angeles Northwest of Little Rock Reservoir; on Emma section of Little Rock Creek Management Unit. 1098 Comment
  UCSB5339  Nemophila menziesii var. menziesii H., J. 1935-2-22 Los Angeles San Dimas Exp. Forest; Bell dams; sec. 1, T 1N, R 9W Comment
  SEINET3072093  Nerium oleander Ken Hamilton 1984-4-22 17 Los Angeles La Crescenta City Comment
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Sep 16 2014
  OBI26231  Nicotiana glauca Mark Schneider 1973-11-18 s.n. Los Angeles 7 Hills Ranch, Tujunga Comment
  SBBG122029  Nicotiana quadrivalvis S. D. White with A. Warniment 2005-9-13 11224 Los Angeles slopes and plateaus W of Oso Cyn, ca. 1-2 air mi N of Quail Lake, Tehachapi Mtns 1067 Comment
  RSA655997  Nicotiana quadrivalvis var. bigelovii James Henrickson 1985-3-30 19783 Los Angeles 3 air mi. NNW of Newhall in proposed North Hills development just north of Santa Clara River and just E of San Francisquito Creek. 370 Comment
  CATA3305  Nuttallanthus texanus Amy Catalano 2017-3-22 022 Los Angeles Santa Catalina Island: On the se facing slope of the ridge leading towards (sw) the Skull Canyon-Middle Ranch roads junction 193 Comment
  RSA0119695  Oenothera californica subsp. avita A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32232 Los Angeles Tehachapi Mtns. Foothills/Mojave Desert: western end of the Antelope Valley, SW corner of intersection of Ave. 300 West and Oso Pumping Plant Rd. 915 Comment
  UCR2904  Oenothera californica subsp. avita Paul W. White 1963-4-11 41163- 01 Los Angeles West Mojave Desert, AntelopeValley, 3 mi. south of State Hwy 138 on 165th St. E. 1159 Comment
  RSA622845  Oenothera elata subsp. hirsutissima Louis C. Wheeler 1968-7-3 s.n. Los Angeles San Gabriel Mountains: West of heliport. 1585 Comment
  SEINET13294195 Image available Oenothera glazioviana Unknown Los Angeles Grown at Claremont, California Comment
  UC1007158  Oenothera glazioviana P. A. Munz 1937-9-15 14764 Los Angeles Claremont Comment
  UC218024  Oenothera laciniata P. A. Munz 1922-7-17 6127 Los Angeles New York Ave. Pasadena Comment
  UCD107000  Oenothera sinuosa J. B. Perret 1921-7-30 16 Los Angeles San Fernando. Comment
  RSA799970  Opuntia basilaris var. treleasei Pam De Vries 2013-5-26 7817 Los Angeles Tehachapi Mountains/Western Transverse Range (Groman Hills): About 3.5 air mi SE of the town of Gorman, 0.75 air mi NNE of the Quail Lake Road off ramp on the I5. Hills east of Gorman Creek, west of Gorman Post Road. 1070 Comment
  SEINET2449204  Opuntia littoralis F. R. Fosberg 1931-5-18 S 4892 Los Angeles Santa Catalina Island, Little Harbor.; 0 Comment
  UCR177797  Opuntia microdasys LeRoy Gross 2001-10-6 449 Los Angeles Los Angeles Basin region, Big Tujunga Wash, southern front of the San Gabriel Mountains; on a bench between Haines Canyon and Big Tujunga River, east of Foothill Blvd. 366 Comment
  POM317682  Opuntia phaeacantha W. Hubert Earle 1968-1 s.n. Los Angeles Lancaster; Meadow Wash Canyon. Mojave Desert. 762 Comment
  RSA0076171  Orobanche bulbosa Robert F. Thorne 1966-4-29 36327 Los Angeles Santa Catalina Island: below road to White's Landing above turn-off to Echo Lake. 411 Comment
  RSA0076175  Orobanche bulbosa John C. Roos 1942-6-6 1065 Los Angeles Placerita Canyon, near Newhall. Comment
  CAS-BOT-BC499908  Orobanche fasciculata C. Epling; C. Darland 1935-6-1 s.n. Los Angeles Tujunga Canyon Comment
  UCD162752  Orobanche uniflora Robert Walsh 2015-4-22 1 Los Angeles East of City of Santa Clarita, Placerita Canyon State Park. From Walker Ranch trailhead on Placerita Canyon Road, south to Waterfall Trail; then south on Waterfall Trail 430 m to collection point mid-trail. 581 Comment
  RSA0077926  Orobanche valida subsp. valida Wayne P. Armstrong 1979-8-1 s.n. Los Angeles SE firebreak ridge of Lookout Mountain, W side of ridge. 1798 Comment
  UCD134735  Osmadenia tenella Lyman Benson 1957-5-23 15730 Los Angeles Webb School, above Claremont. 487 Comment
  SD253358  Osmorhiza brachypoda R. G. Swinney 2011-5-3 14577 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Pllacerita Canyon Rd., Ecology Trail east of the Nature Center. 487 Comment
  LA50662  Oxalis californica Carl Epling; 1931-5-2 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA747071  Oxalis corniculata R. G. Swinney 2008-5-30 8883 Los Angeles San Gabriel Canyon at El Encanto, west bank of the river. 256 Comment
  RSA607607  Oxalis corniculata Louis C. Wheeler 1966-10-27 9094 Los Angeles San Gabriel Mountains: Rincon Ranger Station. Comment
  RSA656419  Oxalis pes-caprae Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 673 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, at La Tuna Canyon Road. SSW of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park. 518 Comment
  RSA762710  Oxalis pes-caprae R. G. Swinney 2009-2-20 10027 Los Angeles Mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel. 177 Comment
  SBBG38944  Oxalis pes-caprae E. R. Blakley 1963-4-10 5606 Los Angeles 1 mi S of Avalon on rocky ridge 30 Comment
  POM180169  Oxalis pes-caprae Joseph A. Ewan 1930-3-25 3732 Los Angeles Shatto Street, Los Angeles city Comment
  RSA776524  Oxytheca parishii var. parishii Jane Tirrell 2011-7-25 LS- 32 Los Angeles On crest of ridge approximately 0.5 mile east of Windy Gap. 2426 Comment
  RSA698758  Oxytheca trilobata LeRoy Gross, P. Morton 2004-6-10 1368 Los Angeles East end of the main crest; (Road surveys for the Angeles National Forest, road 7N23) Traveled from east to west [west to east] from the junction with Atmore Meadows road (7N19) along Sawmill Mountain to Burnt Peak road (7N23A) 1432 Comment
  UCR281977  Oxytheca trilobata R. G. Swinney 2014-4-24 16205 Los Angeles San Gabriel Mountains, NE of Valyermo, wash and plateau at north end of Bob's Gap, 3.1-3.6 miles south of Hwy. 138, c. 0.2 miles east of Bob's Gap Rd., east of Bob's Gap Wash 1293 Comment
  RSA392789  Oxytheca trilobata Robert Kessler 1921-7-4 3447 Los Angeles Barley Flats, San Gabriel Mts. Comment
  SBBG62563  Packera breweri R. Hoffmann 1929-5-21 Los Angeles Bouquet Cyn Comment
  RSA596427  Packera ionophylla Timothy S. Ross, S. D. Boyd, Peter W. Fritsch 1990-6-11 3362 Los Angeles Big Rock Creek Canyon: ca 120 m NNW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin). 1731 Comment
  RSA669710  Paeonia californica LeRoy Gross 2002-2-24 487 Los Angeles Northwest side; Entered at the corners of Ledge Ave. and Tuxford St. off of La Tuna Canyon Road in Sun Valley. West of McDonald Creek 305 Comment
  UCR275505  Panicum acuminatum D. E. Bramlet 2011-8-26 4939 Los Angeles San Gabriel Mountains, Big Tujunga Canyon, near Big Tujunga Reservoir 662 Comment
  RSA533985  Parapholis incurva Timothy S. Ross, O. Mistretta, M. Hammit 1991-5-17 5135 Los Angeles San Clemente Island, 550 ft SSW of the 927'BM at the E end of the old airfield landing strip. 280 Comment
  CATA397  Parietaria hespera var. hespera Mark L. Hoefs, A. Douglas Propst 1974-5-10 466 Los Angeles Santa Catalina Island: Upper Fern Canyon 335 Comment
  SBBG131581  Parietaria hespera var. hespera S. A. Junak 2000-4-15 SCa 1210 Los Angeles ridgeline between 2 cyns (one on E side of rd, one on W side), 0.4 mi from Divide Rd, location of bird transect #1 457 Comment
  UC625092  Parietaria hespera var. hespera F. R. Fosberg 1931-3-24 S 4349 Los Angeles Hamilton Canyon; Santa Catalina Island 50 Comment
  UCR181142  Parietaria hespera var. hespera R. G. Swinney 1997-5-13 5517 Los Angeles San Gabriel Mtns, Water Canyon, a tributary from the north of San Gabriel River Canyon, north of Morris Dam 439 Comment
  SFV15665  Parkinsonia aculeata B. Kanno 1992-5-10 91 Los Angeles Santa Susana Mountains Stony Point, north end of CA-Highway 27. West side of area. 324 Comment
  UCD88702  Paspalum setaceum var. muehlenbergii P. B. Dickey 1939-7-28 719 Los Angeles Littlerock SCS Nursery. 853 Comment
  RSA0115776  Pectocarya linearis subsp. ferocula R. G. Swinney 2011-3-29 14251 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
  IRVC26463  Pectocarya penicillata A. C. Sanders, Mark Elvin, et al. 2003-3-4 25701 Los Angeles Newhall Ranch, upper "Long Canyon," ca. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River NE end of Santa Susana Mtns. 335 Comment
  RSA249801  Pectocarya penicillata R. F. Thorne, C. W. Tilforth 1973-4-20 42996 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
  UCR274889  Pectocarya penicillata Michael Honer, Rachel Woodard 2006-4-11 2178 Los Angeles Tehachapi Mountains area, Grazed hills c. 3.5 miles ENE of Quail Lake 976 Comment
  UCR155650  Pectocarya recurvata A. C. Sanders, T. B. Salvato 2005-4-26 29680 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa 671 Comment
  RSA0119792  Pectocarya setosa R. G. Swinney 2014-4-30 16291 Los Angeles San Gabriel Mountains; 3.8-4.0 miles s. of Hwy. 138 on w. side of Largo Vista Road to ridge, c. 100 meters to the west. 1387 Comment
  UC1537391  Pectocarya setosa Gordon H. True Jr. 1936-3-21 280 Los Angeles 7 mi w Palmdale; Bouquest Canyon 944 Comment
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Apr 25 2012
  UCD123320  Pedicularis densiflora Daryl Koutnik 1978-3-24 157 Los Angeles west side of Decker Rd, south of Carlisle Rd. 487 Comment
  UCR203107  Pedicularis semibarbata R. G. Swinney 2001-8-27 8103 Los Angeles San Gabriel Mountains, Mt. Burnham, west of Mt. Baden-Powell 2743 Comment
  SBBG16839  Pellaea andromedifolia K. A. Wilson, D. E. Bianchi 1961-2-2 822 Los Angeles Placerita Rd; small gully 2 mi E of Hwy 6 Comment
  SBBG20543  Pellaea andromedifolia E. R. Blakley 1963-12-7 6343 Los Angeles shallow cyn sloping to ocean, 200 ft N of Lighthouse, N of Pyramid Head 53 Comment
  RSA686745  Pellaea andromedifolia May N. Ackley 1923-1 73 Los Angeles Monrovia Comment
  SEINET6429230  Pellaea andromedifolia G. B. Grant April 1904 918 Los Angeles Mt. Wilson, S Cal. Comment
  POM22836  Pellaea andromedifolia var. andromedifolia Mattie Reed 1892-4-11 s.n. Los Angeles Pomona Comment
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Oct 3 2010
  RSA584867  Pellaea mucronata T. S. Ross, Steve Boyd 1990-6-4 2802 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
  RSA686906  Pellaea mucronata Albert J. Perkins 1913-2-23 s.n. Los Angeles Mt. Wilson Trail. Comment
  LA94169  Pellaea mucronata var. mucronata Lawrence L. Kiefer; 1966-3-27 1813 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, ca 3 mi above Sunset Blvd. 274 Comment
  UCD89454  Pennisetum purpureum E. J. Spencer 1917-12-1 s.n. Los Angeles Los Angeles. Comment
  UCD124088  Penstemon centranthifolius Kenneth A. Wilson 1961-3-11 991 Los Angeles San Francisquito Canyon; 3 miles south of Green Valley. Comment
  UCSB18468  Penstemon centranthifolius Lakatos, Susie 1964-3-28 Los Angeles fire road behind Topanga Elementary School; 4.3 miles on Topanga Canyon Blvd. from intersection with U.S. Highway 101 Comment
  RSA773286  Penstemon grinnellii R. G. Swinney 2009-6-24 11276 Los Angeles summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1909 Comment
  RSA586479  Penstemon grinnellii subsp. grinnellii Orlando Mistretta 1995-6-20 1819 Los Angeles Bare Mountain Canyon. 1829 Comment
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Nov 26 2007
  RSA702611  Penstemon grinnellii subsp. grinnellii Tim Thibault, Bryan Tutt, Dolores Gault 2004-6-18 316 Los Angeles Mt. Williamson 2090 Comment
  UCR273195  Penstemon grinnellii subsp. grinnellii R. G. Swinney 2011-7-8 15494 Los Angeles San Gabriel Mountains, 'Strawberry Potrero', uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  NY601643  Penstemon heterophyllus var. australis K. Dobry 1991-6-24 d 745 Los Angeles Soka University, Los Virgenes and Mulholland Highway. Santa Monical. Mountains. Comment
  RSA774793  Penstemon labrosus R. G. Swinney 2009-7-23 11391 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA755874  Penstemon rostriflorus R. G. Swinney 2008-7-16 9248 Los Angeles Will Thrall Peak, west of Burkhart Saddle 2378 Comment
  RSA650001  Penstemon spectabilis A. Mayor, Daly 1973-5-5 s.n. Los Angeles Malibu Cyn. Comment
  RSA657469  Penstemon spectabilis subsp. subviscosus C. Schapiro 1979-4-10 2 Los Angeles Verdugo Mountains; On fire road at intersection of Linda Vista Rd. and Figueroa St., North Glendale 762 Comment
  UCR273539  Penstemon spectabilis subsp. subviscosus R. G. Swinney 2011-3-18 14138 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  CATA2949  Pentachaeta lyonii Sarah Ratay 2011-4-15 143 Los Angeles Santa Catalina Island: On ridge above Deer Valley, E of push button gate to Two Harbors area 290 Comment
  UC206185  Pentachaeta lyonii Katharine Brandegee Los Angeles Santa Catalina Isl. Comment
  RSA0070817  Pentagramma triangularis T. S. Ross, Steve Boyd 1990-5-31 2742 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  SBBG17997  Pentagramma triangularis subsp. viscosa E. R. Blakley 1963-4-10 5589 Los Angeles jct of White's Landing and Airport Rd, NE side of Black Jack Mtn 365 Comment
  CAS-BOT-BC73755  Peritoma arborea var. arborea Volney Rattan 1880-3-1 s.n. Los Angeles Santa Monica Comment
  SBBG12503  Perityle emoryi P. H. Raven 1962-7-12 18036 Los Angeles W end of Northwest Harbor 15 Comment
  SDSU384  Perityle emoryi R. M. Beauchamp 1967-3-19 321 Los Angeles 1/2 mile south of the runway at Sherman Field, San Clemente Island. Comment
  POM122301  Perityle emoryi Marcus E. Jones 1926-9-9 s.n. Los Angeles San Clemente Island. Comment
  UC284145  Perityle emoryi P. A. Munz 1923-4-8 6617 Los Angeles w coast San Clemente Island Comment
  SEINET3923760  Persicaria lapathifolia Louis C. Wheeler 1932-8-28 1300 Los Angeles Puddingstone Lake, San Jose Hills.; 0 259 Comment
  JEPS1475  Phacelia affinis Frank W. Peirson 1919-5-10 410 Los Angeles Arraster Creek San Gabriel Mountains 914 Comment
  UCR67302  Phacelia bicolor Ed LaRue, R. Montijo 1991-4-2 91- 17 Los Angeles Western Mojave Desert, Palmdale: south of Avenue 'M' and east of Sierra Hwy; north of Air Force Plant 793 Comment
  RSA427574  Phacelia brachyloba Anstruther Davidson 1892-6-12 s.n. Los Angeles Wilson's Trail. Comment
  LA38795  Phacelia cicutaria var. hispida Henry J. Thompson; 1959-5-24 1993 Los Angeles Santa Monica Mountains, Tuna Canyon, 0.7 mi N of Coast Hwy 91 Comment
  RSA3535  Phacelia cicutaria var. hispida Carl B. Wolf 1932-5-9 3479 Los Angeles Left (east) fork of Pebbly Beach Canyon about 1/3 mile above the Mexican houses, Santa Catalina Island. 152 Comment
  UCR194563  Phacelia ciliata A. C. Sanders 2008-4-25 35110 Los Angeles Transverse Range; Western San Gabriel Mtns., hill slopes c. 0.8 mi. NE of old La Liebre Ranch, 0-0.3 mi. south of Hwy 138 970 Comment
  RSA0011597  Phacelia cryptantha Orlando Mistretta, Christine Mistretta 2011-6-15 5693 Los Angeles Northern edge of San Gabriel Mountains, 0.6 air miles N of Aliso Cyn Rd,. 1078 Comment
  RSA725085  Phacelia cryptantha Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -5 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  SD181481  Phacelia cryptantha LeRoy Gross 2005-4-28 2153 Los Angeles Transverse Ranges,San Gabriel Mtns region,ridgeline to Mt. Emma & cyn S of ridge, W from Mt. Emma (NW-trending ridge, lower part of ridgeline turns SW), E of Mt. Emma Rd. Then dropped off ridge into cyn bottom back to origin; Pacifico Mtn 7.5' quad. 1235 Comment
  SBBG126051  Phacelia cryptantha J. M. Wood 2010-5-10 1566 Los Angeles Little Rock Crk, downstream of Little Rock Reservoir, within 0.25 mi of the dam; San Gabriel Mtns 966 Comment
  JEPS1530  Phacelia curvipes T. Craig 1927-6-8 404 Los Angeles Bear Canyon Trail to Mt. San Antonio San Gabriel Mts. Comment
  RSA679866  Phacelia curvipes LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 882 -b Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway. 1143 Comment
  UC494807  Phacelia davidsonii T. Craig 1927-6-8 404 Los Angeles Bear Canyon Trail to Mt. San Antonio Comment
  UCR119533  Phacelia davidsonii L. C. Wheeler 1973-4-21 s.n. Los Angeles San Gabriel Mtns., East fork of Kentucky Springs Canyon 1280 Comment
  UCR258745  Phacelia distans R. G. Swinney 2010-5-19 12826 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  CLARK-A1528-5107  Phacelia douglasii John C. Roos 1937-3-25 680 Los Angeles 914 Comment
  SD51859  Phacelia floribunda Peter H. Raven 1962-5-10 17728 Los Angeles San Clemente Island: on steep hillside near bottom of Horse Canyon (large canyon west of Thirst). 456 Comment
  POM19204  Phacelia fremontii P. A. Munz 1923-5-27 6903 Los Angeles San Gabriel Mountains, Pallett Creek Comment
  RSA426160  Phacelia fremontii Louis C. Wheeler 1932-4-10 601 Los Angeles Portal Ridge 8 mi. W Palmdale. 1037 Comment
  RSA710381  Phacelia fremontii LeRoy Gross 2005-5-3 2193 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
  UC1181202  Phacelia grandiflora P. C. Everett and E. K. Balls 1959-6-2 23854 Los Angeles 0.5 mi n jct. of Mulholland Drive and road to Backus; Santa Monica Mountains 609 Comment
  UC73682  Phacelia grandiflora Geo. B. Grant May 1901 960 Los Angeles Garvanza Comment
  CAS-BOT-BC134025  Phacelia hubbyi Edith A. Purer 1935-5-11 6550 Los Angeles Malibou Road, Santa Monica Mts. Comment
  UCR89973  Phacelia imbricata Scott D. White, Chet McGaugh 1995-6-6 3227 Los Angeles Santa Susana Mtns., E edge of range, just west of San Gabriel Mtns. 'Sunshine Canyon' (name not shown on topo): Sunshine Canyon Landfill Property, west of San Fernando Road and Hwy I-5, just SW of interchange with State Route 14 (Fwy) 488 Comment
  RSA191155  Phacelia imbricata subsp. imbricata Robert F. Thorne 1967-7-19 37171 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Cienega Springs, above Crystal Lake Recreation Area. 1982 Comment
  RSA584595  Phacelia imbricata subsp. imbricata Tim S. Ross 1993-5-26 7315 Los Angeles W end of San Gabriel Mountains, Santa Clara Road (USFS) between Wilson Canyon Saddle on May Canyon Saddle; N slope of the 3834-foot peak NW of May Canyon Saddle. 1097 Comment
  JEPS1976  Phacelia imbricata subsp. patula Frank W. Peirson 1921-6-16 2451 Los Angeles Mt. Waterman Ridge San Gabriel Mountains 2286 Comment
  POM156722  Phacelia longipes L. R. Abrams 1902-7-12 2711 Los Angeles Coldwater Canyon, San Antonio Mountains Comment
  RSA150669  Phacelia lyonii Peter H. Raven 1962-5-8 17602 Los Angeles San Clemente Island: second canyon south of Seal Cove. 30 Comment
  RSA674273  Phacelia minor LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 707 Los Angeles South side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned in Summer-Fall of 2002. 622 Comment
  UC1587616  Phacelia minor Tim Ross 1991-4-21 4523 Los Angeles just sw old water tank; Whittier Hills (Puente Hills, pro parte), Middle Turnbull Ca 219 Comment
  RSA428068  Phacelia minor M. D. Proctor 1950-5-31 832 Los Angeles Santa Anita Canyon Comment
  RSA428069  Phacelia minor Fordyce Grinnell Jr. 1910-04 s.n. Los Angeles San Rafael Hills, Pasadena. Comment
  RSA428070  Phacelia minor E. A. McGregor 1964-4-28 s.n. Los Angeles near foothills, Claremont Comment
  SBBG25236  Phacelia minor Leota Davidson 1966-3-9 307 Los Angeles Tick Cyn off Soledad Cyn; about 1 mi back from head of cyn Comment
  SEINET5518993  Phacelia minor G. B. Grant 1903-1 965 Los Angeles Mt. Lowe Comment
  LA30866  Phacelia ramosissima var. austrolitoralis Peter H. Raven; Jane Turner, Barbara Whitesel 1959-3-15 30866 Los Angeles Santa Monica Mountains, Pt. Dume, behind the point 45 Comment
  RSA522336  Phacelia ramosissima var. latifolia Tim S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4026 Los Angeles San Gabriel Mountains: NE of Tie Summit Station and E of Angeles Forest Highway, Tujunga Ranger District. Westerly drainage that meets Tie Canyon. 1524 Comment
  UC450796  Phacelia ramosissima var. latifolia Fay A. Macfadden 1931-6-1 2989 Los Angeles Tuna Canyon Verdugo Hills Comment
  RSA428212  Phacelia tanacetifolia J. P. Broughton, Long 1971-3-24 1347 Los Angeles Burned area on Cornell Road just E of Lake Enchanto Comment
  SBBG41175  Phacelia viscida J. P. Broughton 1971-3-24 1348 Los Angeles Cornell Rd just E of Lake Enchanto Comment
  UC1302903  Phacelia viscida Peter H. Raven 1962-3-27 16995 Los Angeles along Palos Verdes Drive 1.4 mi e Portugese Bend; Palos Verdes Hills Comment
  UCR49211  Phacelia viscida Kathy Harper 1987-5-2 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Hwy, between Las Virgenes Valley Overlook [34 deg. 06' 07'N, 118 deg. 41' 37'W) and Yerba Buena Rd.; at Yerba Buena Road Comment
  CDA2279  Phalaris aquatica L. C. Wheeler 1968-7-2 s.n. Los Angeles San Gabriel Mtns; Foster Ranch, Sycamore Canyon, south slope Johnstone Peak. Comment
  RSA187868  Phalaris canariensis R. F. Thorne 1966-6-1 36481 Los Angeles Santa Catalina Island. Opposite Bird Park, Avalon. 30 Comment
  SD90634  Phalaris lemmonii Robert F. Thorne 1966-4-17 36090 Los Angeles San Clemente Island; near reservoirs between Boulder & Horton, NE side of the island 487 Comment
  RSA623860  Phalaris minor K. Scott 1921-5-12 s.n. Los Angeles Lincoln Ave, Pasadena Comment
  UC820508  Phalaris minor I. M. Johnston 1917-4-11 Los Angeles Nigger Slough Nigger Slough [Laguna Dominguez] (Southern California) Comment
  UC820509  Phalaris minor L. W. Nuttall 1920-5-16 224 Los Angeles Santa Catalina Island Comment
  POM275906  Phalaris paradoxa Robert W. Townsend 1948-6-8 s.n. Los Angeles Waste land along Rosemead Blvd., 1.5 miles south of Garvey Blvd., [Pomona] San Gabriel 305 Comment
  UC137128  Philadelphus lewisii C. A. Purpus July 1897 5582 Los Angeles n. Bear Creek 1219 Comment
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Mar 8 2013
  UCSB7022  Philadelphus lewisii Gill, Robert 1959-4-14 Los Angeles Little Dalton Canyon; San Gabriel Mt. Range 365 Comment
  UCR205078  Pholistoma auritum R. G. Swinney 2008-4-9 8624 Los Angeles San Gabriel Mtns., Glendora, Wildwood Canyon 329 Comment
  RSA459244  Pholistoma auritum Anstruther Davidson 1890-1-14 s.n. Los Angeles Los Angeles. Comment
  CAS-BOT-BC222548  Pholistoma auritum var. auritum Reid Moran 1941-3-7 684 Los Angeles Middle Ranch, Santa Catalina Island 200 Comment
  LA205674  Pholistoma auritum var. auritum J. Sauer; R. Brumbaugh 1973-4-28 5447 Los Angeles Santa Monica Mountains, Temescal Canyon, upper canyon Comment
  RSA76025  Pholistoma racemosum F. W. Peirson 1923-4-8 3452 Los Angeles Wilson s Cove, San Clemente Island. Comment
  RSA459315  Pholistoma racemosum M. B. Dunkle 1939-4-3 7219 Los Angeles San Clemente Island. Comment
  UCR129918  Phoradendron bolleanum var. pauciflorum Vanessa Ashworth, Nigel Boyle 1994-8-23 61 Los Angeles San Gabriel Mtns., base of Mt. Baldy Ski lift Comment
  POM50863  Phoradendron densum A. D. E. Elmer 1902-06 3607 Los Angeles Acton. Mt. Gleason. 829 Comment
  RSA133209  Phoradendron macrophyllum Del Wiens 1958-12-10 2428 Los Angeles Mouth of Cobal Canyon, north of Claremont. 427 Comment
  UC1194642  Phoradendron macrophyllum Del Wiens 1955-1-12 941 Los Angeles w. Pomona (s. of U.S. Hwy. 99 as it crosses Kellogg Hills) 609 Comment
  CAS-BOT-BC141145  Phoradendron serotinum subsp. macrophyllum Del Wiens 1955-1-12 941 Los Angeles S of US Hgwy. 99 as it crosses Kellog Hills, W of Pomona 609 Comment
  RSA725924  Phoradendron villosum A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale 2003-4-30 26242 Los Angeles Western San Gabriel Mtns.: Charlie Canyon, Castaic Mesa area, east of Lake Hughes Rd. and the filtration plant, Newhall Ranch. 366 Comment
  RSA97451  Phoradendron villosum F. W. Peirson 1921-11-12 31 Los Angeles Collins Ranch, Liebre Mts. 1372 Comment
  RSA600672  Phragmites australis L. C. Wheeler 1967-11-18 s.n. Los Angeles San Gabriel Mountains: Middle Fork of Mill Creek, off Big Tujunga. 1067 Comment
  UCR124280  Phyllospadix scouleri L. C. Wheeler 1965-7-1 s.n. Los Angeles Bluff Cove, Palos Verdes Estate Comment
  RSA187693  Picris echioides R. F. Thorne 1966-9-14 36664 Los Angeles Santa Catalina Island; Little Harbor 5 Comment
  RSA86531  Pinus flexilis F. W. Peirson 3997 Los Angeles Blue Ridge 2591 Comment
  UC845544  Piperia cooperi F. R. Fosberg 1931-4-7 S 4495 Los Angeles Hamilton Beach Santa Catalina Island 20 Comment
  RSA0037422  Piptatherum miliaceum R. G. Swinney 2010-5-29 13415 Los Angeles San Gabriel Mountains: junction of 'W. Fork' May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 Comment
  UCR127090  Piptatherum miliaceum Mark A. Elvin, Cathleen Weigand 2003-4-8 2457 Los Angeles Santa Clarita Valley, Newhall Ranch, flats south of confluence of Hasley Canyon with Castaic Creek 297 Comment
  SBBG6328  Plagiobothrys arizonicus H. and M. Dearing 1935-4-13 Los Angeles Bouquet Cyn Comment
  CATA1729  Plagiobothrys canescens Mark L. Hoefs, Steven A. Junak 2000-4-14 3076 Los Angeles Santa Catalina Island: Hillside about halfway between Airport Road and Goat Harbor 469 Comment
  UC166913  Plagiobothrys canescens George B. Grant and Walter Wheeler Apr 21 1904-Apr 26 1904 996 /6159 Los Angeles Santa Catalina Island Comment
  RSA199198  Plagiobothrys canescens var. catalinensis R. F. Thorne, D. Propst 1968-5-28 37663 Los Angeles Santa Catalina Island: central Bullrush Canyon. 244 Comment
  RSA757655  Plagiobothrys collinus var. fulvescens Orlando Mistretta, Christine Mistretta 2008-4-14 2447 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 18 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1240 Comment
  POM368940  Plagiobothrys collinus var. gracilis F. R. Fosberg 1931-5-7 4847 Los Angeles Right Fork Cottonwood Canyon, Santa Catalina Island 220 Comment
  UCR107773  Plagiobothrys leptocladus Steve Boyd, J. M. Porter, Z. Lederman 1998-4-27 10153 Los Angeles Mojave Desert, Antelope Valley, Amargosa Creek drainage at W G Street, west of Hwy 14, SW of Rosamond Dry Lake. 793 Comment
  RSA604054  Planodes virginica L. C. Wheeler 1933-4-27 1669 Los Angeles San Pedro Hills 304 Comment
  POM219975  Plantago erecta F. R. Fosberg 1932-5-7 8166 Los Angeles Summit of Coach Road, Santa Catalina Island. 250 Comment
  RSA199189  Plantago erecta Robert F. Thorne, D. Propst 1968-5-28 37651 Los Angeles Santa Catalina Island: central Bullrush Canyon. 244 Comment
  RSA251528  Plantago erecta Robert F. Thorne 1973-4-11 42815 Los Angeles San Clemente Island: plateau W of upper part of Norton Canyon. 396 Comment
  RSA678135  Plantago indica Valerie L. Soza, Monica Acosta 2001-6-28 1305 Los Angeles Arroyo Seco near confluence with El Prieto Canyon, alongside FS Road 2N70. 366 Comment
  RSA0105215  Plantago major R. G. Swinney 2011-10-27 15931 Los Angeles San Gabriel Mountains: 1.4 miles east (downstream) from entrance gate to Cogswell Dam, at confluence of Butterfield Cyn. and W Fork San Gabriel River, along West Fk. Natl. Scenic Bikeway. 634 Comment
  RSA412536  Plantago major Dolores Bullock 1931-7-6 20631 Los Angeles S Broadway, Los Angeles Comment
  SDSU1038  Plantago ovata R. M. Beauchamp 1967-3-19 329 Los Angeles Growing in area just behind the beach at West Cove to one mile south. San Clemente island. Comment
Read comments
May 16 2008
  SEINET3892861  Platanthera sparsiflora R. G. Swinney 1998-7-14 6415 Los Angeles San Gabriel Mtns.: Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi south of Camp Lupine (Mount San Antonio 7.5' Q.:).; 0 2195 Comment
  RSA495621  Platanthera sparsiflora S. Zona, D. Arias, Oscar Dorado, M. Hanson, Jose Luis Villasenor 346 Los Angeles Mountain High Ski Resort; W of Wrightwood. North slopes of San Gabriel Mountains. 2018 Comment
  SFV20825  Platanus racemosa L. Gross, N. Fraga 2002-4-4 517 Los Angeles Verdugo Mountains Southwest side. From saddle along main crest where the dirt roads of Verdugo Mountain Way and Chandler Fire Road meet (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. 468 Comment
  UCR193638  Platanus racemosa A. C. Sanders 2008-7-10 35728 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCR216903  Platanus racemosa R. G. Swinney 2009-3-11 10084 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  RSA0035640  Platanus racemosa Phil Elliott 1981-2-25 19 Los Angeles Cal Poly Pomona, 1/4 mile west of Beef Unit, 100 ft. west of southwest corner of parking lot M. Comment
  UC1280826  Platanus racemosa H. E. McMinn 1934-3-28 3449 Los Angeles San Gabriel Comment
  CAS-BOT-BC91673  Platystemon californicus C. F. Baker 1904-5-2 4731 Los Angeles Hills near Claremont. Comment
  UC72709  Platystemon californicus Pupils of Los Angeles High School 1902-3 Los Angeles Garvanza Comment
  RSA603550  Pluchea odorata Mark Hoefs, Steven A. Junak, Janet Takara, M. Gay 1995-11-9 2543 Los Angeles Santa Catalina Island. Lower road to Salta Verde Beach. 15 Comment
  UCD92201  Poa R. Tofsrud 1949-4-1 s.n. Los Angeles Highway 138, between Pearblossom and Cajon. Comment
  RSA748904  Poa annua R. G. Swinney 2008-5-30 8870 Los Angeles San Gabriel Canyon along old road/trail at El Encanto 256 Comment
  UCR261545  Poa annua R. G. Swinney 2010-2-27 11709 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
  UC2029991  Poa nevadensis G. D. Wallace 1979-4-19 1688 Los Angeles Transverse Ranges; Liebre Mountains region: Mojave Desert, w. of Fairmont along Lancaster Rd. Joshua Tree woodland. Comment
  CHSC103497  Poa secunda V. Soza; LeRoy Gross, Bill Hogshead 2002-5-9 1463 Los Angeles Tranverse Ranges, San Gabriel Mountain region: Along Sunset Peak Road, 2.8 km ESE from Glendora Ridge Road. UTM 11S: 37 86 174 N x 04 35 497 E. 1493 Comment
  RSA0092329  Poa secunda R. G. Swinney 2011-4-20 14448 Los Angeles San Gabriel Mountains: Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 miles upstream in Hunt Cyn. 1220 Comment
  RSA600392  Poa secunda V. W. Steinmann 1996-3-30 820 Los Angeles Pomona, Elephant Hill, E-facing slope above and adj. to Mission Blvd. at a point 0.5km SW of Humane Way., 34?33'N, 117?47'30W 300 Comment
  RSA728290  Poa secunda Gary D. Wallace, B. Gustafson, Dave Minor, M. Wallace, F. Runyon, B. Birdsal 1982-4-26 1960 Los Angeles Fort Tejon Road Comment
  RSA728781  Poa secunda Gary D. Wallace 1979-4-19 1688 Los Angeles Mojave Desert, w. of Fairmont along Lancaster Rd. Comment
  SEINET10882975  Poa secunda E. A. Kellogg, Elizabeth L. Taylor 1980-5-25 Kellogg 321 Los Angeles T8N R17W S29. On and above cutbank on county road N2. 1219 Comment
  CAS-BOT-BC236210  Poa secunda subsp. secunda F. A. MacF. 1935-3-6 13503 Los Angeles Mulholland Drive, Santa Monica Mountains Comment
  CATA675  Poa secunda subsp. secunda Mark L. Hoefs 1991-4-23 1166 Los Angeles Santa Catalina Island: Around upper White's Landing Road 451 Comment
  UC76987  Poa secunda subsp. secunda J. Burtt Davy May 9 1896-May 24 1896 2537 Los Angeles Manzana; Antelope Valley Comment
  UC926645  Poa secunda subsp. secunda Agnes Chase Apr 12 1910-Apr 15 1910 1184 Los Angeles Mt Wilson Comment
  RSA230236  Poa trivialis R. F. Thorne 1969-7-2 38347 Los Angeles Angeles National Forest; Cedar springs ca. 1/2 mile E of Kratka ridge along Angeles Crest Hwy 2072 Comment
  RSA268491  Polycarpon tetraphyllum Mildred E. Mathias 1965-7-20 s.n. Los Angeles Mildred E. Mathias residence. West Los Angeles. Comment
  SD39923  Polygonum argyrocoleon Edith A. Purer 1933-10-7 5598 Los Angeles Stabilized sand dunes, El Segundo Comment
  UCR131391  Polygonum aviculare Alison Lipman 1998-6-30 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
  UCR95367  Polygonum aviculare L. C. Wheeler 1966-10-12 8965 Los Angeles San Gabriel Mtns., San Gabriel Canyon, the forks Comment
  UC1595416  Polygonum lapathifolium Tim Ross and Annette H. Ross 1991-7-29 5719 Los Angeles Elephant Hill San Dimas USGS 7.5 ' quad, Puente Hills, W Pomona (base of n slope, n-most point of hills, w-running streamlet) 231 Comment
  CAS-BOT-BC71878  Polypodium californicum Dr. Barton W. Evermann 1915-3-25 s.n. Los Angeles San Clemente Isl. Comment
  CAS-BOT-BC71887  Polypodium californicum M. B. Dunkle 1939-4-4 7248 Los Angeles Chenetti Canyon, San Clemente Island Comment
  CAS-BOT-BC71889  Polypodium californicum John Thomas Howell 1928-2-9 3331 Los Angeles Santa Anita Canyon, San Gabriel Mts. Comment
  CAS-BOT-BC71897  Polypodium californicum J. H. Thomas 1949-2-22 7 Los Angeles near northeast end of San Clemente Island 38 Comment
  CAS-BOT-BC71899  Polypodium californicum R. M. Beauchamp 1967-1-27 124 Los Angeles behind Wilson Cove Pier, San Clemente Island Comment
  SBBG98477  Polypodium californicum T. Ross 1991-5-21 5396 Los Angeles upper E branch of Box Cyn 457 Comment
  SEINET175056 Image available Polypodium californicum Marcus E. Jones 1882-2-27 Los Angeles Pasadena Comment
  UC535316  Polypodium californicum Ira W. Clokey, B. Templeton May 1929 4483 Los Angeles Mandeville Canyon; Santa Monica Mts. 300 Comment
  UCSB8305  Polypodium californicum Olsen, Meryl 1954-4-19 Los Angeles Little Dalton Canyon in San Gabriel Mtns. 548 Comment
  POM12505  Polypodium californicum M. L. Kendall 1921-3-19 86 Los Angeles Puddingstone Canyon, San Dimas Comment
  UC62427  Polypodium californicum R. S. Norris June, 1893 Los Angeles Piedracitas Canyon; Catalina Isl. Comment
  UCSB62354  Polypodium californicum Kiefer, Lawrence 1967-4-16 Los Angeles San Gabriel Mtns., N of Monrovia, Big Santa Anita Canyon, ca. 1mi above Big Santa Anita Dam 457 Comment
  UCSB62414  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canon, San Dimas Comment
  UCSB62464  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canon, San Dimas Comment
  RSA0021696  Polypogon australis Duncan S. Bell, Caitlin Elam 2013-6-24 5269 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
  SJSU12965  Polypogon interruptus C. W. Sharsmith 1940-8-29 4227 Los Angeles streamway head of Eaton Canyon, San Gabriel Mts 1371 Comment
  LA10115  Polypogon monspeliensis A. M. Johnson; 1931-6-9 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  RSA0082569  Polypogon viridis R. G. Swinney 2010-9-7 13726 Los Angeles NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks. 1768 Comment
  UCR194189  Polystichum imbricans R. G. Swinney 1998-7-29 6545 Los Angeles San Gabriel Mtns., c. 100 m downstream from Upper Fish Fork Campground 1817 Comment
  SBBG14832  Polystichum scopulinum L. L. Kiefer 1963-1-1 358 Los Angeles 8 mi E of Hwy 39 intersection on Hwy 2 2133 Comment
  POM249844  Populus X parryi F. R. Fosberg 1931-5-7 S 4830 Los Angeles Santa Catalina Island. Cottonwood Canyon, just below Cape Blanco. Comment
  RSA0021514  Populus balsamifera subsp. trichocarpa Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5143 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  SEINET10858627  Portulaca oleracea Mary Merello, Heidi H. Schmidt 1999-12-3 Merello 2506 Los Angeles City of Pasadena. Good Food Market, 1864 E. Washington. Comment
  CAS-BOT-BC453949  Potamogeton pectinatus J. Ewan 1931-10-24 5376 Los Angeles Malibu Lake, Santa Monica Mts. 304 Comment
  RSA34905  Prunus fasciculata var. fasciculata D. F. Howe 1947-5-6 s.n. Los Angeles North face San Gabriel Mountains. Comment
  OBI26245  Prunus ilicifolia Mark Schneider 1973-5-12 27 Los Angeles Vogel Flats, Big Tujunga Cyn, San Bernardino Mts 792 Comment
  UC1128379  Prunus ilicifolia P. L. Johannsen 1934-2-13 279 Los Angeles 1 mi se Junction Haskell and Bouquet Canyon 426 Comment
  RSA720241  Prunus ilicifolia subsp. ilicifolia LeRoy Gross 2007-4-27 2658 Los Angeles Southern front of the range; Sherer Canyon. West branch of this canyon. At some old foundations, power lines running up the ridge north of here. 288 Comment
  UC1971275  Prunus ilicifolia subsp. lyonii Carl B. Wolf 1932-5-11 3574 Los Angeles Santa Catalina Island. Cherry Valley between the road and ocean.; Upper Sonoran Comment
  UCR149522  Prunus virginiana var. demissa R. G. Swinney 1997-6-25 5653 Los Angeles San Gabriel Mtns., west of Wrightwood, Blue Ridge Trail area, 0.2 mi. SE of Hwy 2 at Blue Ridge Trail 2134 Comment
  CAS-BOT-BC356571  Pseudognaphalium biolettii John I. Carlson 1915-6-13 s.n. Los Angeles Avalon, Santa Catalina Isl. Comment
  RSA0021706  Pseudognaphalium biolettii Duncan S. Bell, Caitlin Elam 2013-6-24 5255 Los Angeles San Gabriel Mountains region: Sheep Mountain Wilderness; East Fork of the San Gabriel River, between Allison Gulch and Rattlesnake Canyon. 740 Comment
  RSA177874  Pseudognaphalium biolettii R. F. Thorne, P. Everett 1965-5-11 34677 Los Angeles Above summit road from Avalon to airport, Santa Catalina Island 61 Comment
  SFV5527  Pseudognaphalium biolettii W. A. Kelley Mar 1969 s. n. Los Angeles Santa Monica Mountains Mulholland near the San Diego Freeway. Comment
  RSA0069423  Pseudognaphalium californicum R. G. Swinney 2010-3-10 11801 Los Angeles Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes. 305 Comment
  CAS-BOT-BC356712  Pseudognaphalium californicum Barbara T. Keller 1974-5-23 1441 Los Angeles North fork of Lodi Canyon in the San Gabriel Mountains, about 25 miles west of Claremont 487 Comment
  CATA1187  Pseudognaphalium luteoalbum Mark L. Hoefs 1995-5-30 2188 Los Angeles Santa Catalina Island: Near Ben Weston Road 30 Comment
  CAS-BOT-BC357302  Pseudognaphalium microcephalum unspecified 1903-1-1 s.n. Los Angeles Pasadena Comment
  UC485717  Pseudognaphalium microcephalum Minnie Reed 1895-8-3 Los Angeles Pomona Comment
  CAS-BOT-BC357624  Pseudognaphalium stramineum Geo. B. Grant 1901-4-9 s.n. Los Angeles Avalon Comment
  RSA653626  Pseudognaphalium stramineum S. Koukol, E. Lutz 1998-4-26 16 Los Angeles Claremont, along W side of Indian Hill Blvd., 50 m S of Baseline Road. 421 Comment
  CAS-BOT-BC361887  Psilocarphus tenellus E. Braunton 1902-3-1 s.n. Los Angeles Glendale Comment
  RSA533934  Psilocarphus tenellus Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5219 Los Angeles San Clemente Island: south-east end of island in the vicinity of Knob, 5100 feet NW of Guds. 271 Comment
  CATA1704  Pteridium aquilinum var. pubescens Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1999-5-8 3023 Los Angeles Santa Catalina Island: Lower Fern Canyon 195 Comment
  RSA0011722  Pteris vittata R. G. Swinney 2009-2-26 10037 Los Angeles Monrovia Canyon Wilderness Park from park entrance to Monrovia Canyon Falls 366 Comment
  CAS-BOT-BC77927  Pteris vittata Louis C. Wheeler 1966-10-25 9080 Los Angeles San Gabriel Mountains: Vicinity of E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon Comment
  RSA0011714  Pteris vittata LeRoy Gross 2000-9-30 274 Los Angeles San Gabriel Mountains: Monrovia Canyon, just below the first waterfall, above Monrovia Mountain Park 518 Comment
  CAS-BOT-BC421197  Pterostegia drymarioides Reid Moran 1941-2-17 576 Los Angeles Middle Ranch, San Clemente Island. 500 Comment
  CAS-BOT-BC421203  Pterostegia drymarioides Marcus E. Jones 1882-2-27 s.n. Los Angeles Pasadena Comment
  UC557690  Pterostegia drymarioides Nell Murbarger 1936-4-1 142 Los Angeles e. side of isl. San Clemente Isl. Comment
  CAS-BOT-BC158666  Purshia tridentata var. glandulosa James R. Shevock 1976-4-24 5019 Los Angeles Along Big Pine highway approx. 2 miles from Big Rock Canyon toward Valyermo, east base of the San Gabriel Mts., Angeles National Forest 1249 Comment
  RSA86654  Purshia tridentata var. glandulosa F. W. Peirson 1923-5-26 3531 Los Angeles Rock Creek, north slope of San Gabriel Mts. 1448 Comment
  SEINET10957068  Pyrus communis Heidi H. Schmidt, M. R. Weed 1999-10-12 Schmidt 3805 Los Angeles City of Santa Monica. Yaohan: 3760 Centinela Avenue: Santa Monica, CA: 90066: (310) 398-2113 - phone. 20 Comment
  CAS-BOT-BC45786  Quercus Parish 1902-6-10 5104 Los Angeles Mount Wilson 1828 Comment
  CAS-BOT-BC45822  Quercus F. Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canon, near Pasadena, San Gabriel Mts. Comment
  UCD46207  Quercus X grandidentata Robert F. Thorne; M. Z. Thorne 1980-3-23 54013 Los Angeles (Q. engelmannii Green X Q. dumosa). Foothills of San Gabriel Mts: Johnson's Pasture, above Claremont in mixed chaparral-sage scrub-oak woodland. 609 Comment
  SDSU6984  Quercus X macdonaldii R. M. Beauchamp 1966-8-8 47 Los Angeles On bank overlooking road south of Avalon. Santa Catalina Island. 122 Comment
  CAS-BOT-BC45630  Quercus agrifolia Timothy S. Ross; Steve Boyd 1994-9-20 8265 Los Angeles Lower Spunky Canyon: this stretch draining SSE, exiting into Bouquet Reservoir. Green Valley 7.5' USGS Quadrangle 934 Comment
  RSA476857  Quercus agrifolia G. R. Johnstone 1931-10-24 14030 Los Angeles Brown Canyon. Comment
  SFV18427  Quercus agrifolia C. Ferguson 1972-3-9 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area. Comment
  RSA656216  Quercus agrifolia var. agrifolia Joseph M. Keefe 1978-4-11 22629 Los Angeles Verdugo Mountains: Verdugo Park, 1601 North Verdugo Road, Glendale. 183 Comment
  RSA29910  Quercus berberidifolia Louis C. Wheeler 1931-10-11 252 Los Angeles Thompson Wash 3 miles NE La Verne 404 Comment
  RSA655361  Quercus berberidifolia LeRoy Gross 2000-11-4 318 Los Angeles Verdugo Mountains: Trail at end of Morning Glow, past Sunglow Way,east off La Tuna Canyon Road, Sun Valley. 366 Comment
  UC1587584  Quercus berberidifolia Tim Ross 1991-9-2 5918 Los Angeles near Mulholland Highway x Yerba Buena Road; Santa Monica Mountains, Triunfo Pass U.S.G.S. 7.5' Quad. 472 Comment
  UCR106844  Quercus berberidifolia J. M. Tucker 1948-9-26 1879 Los Angeles N slope San Gabriel Mtns., 11.4 mi. west of Palmdale, beside road to Elizabeth Lake. Comment
  UCR197182  Quercus berberidifolia Valerie Soza, LeRoy Gross 2001-5-9 1198 Los Angeles Transverse Ranges: Verdugo Mountains, Southern San Rafael Hills, south of mouth of Scholl Canyon, west end of Valle Vista fire road, ridgetop north of Hwy 134 274 Comment
  CAS-BOT-BC62568  Quercus chrysolepis Timothy S. Ross; Steve Boyd 1995-5-8 8537 Los Angeles Bouquet canyon: along Bouquet Canyon Road near Bouquet Campground No. 3 743 Comment
  RSA0115312  Quercus chrysolepis R. G. Swinney 2011-10-27 15909 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
  SDSU21245  Quercus chrysolepis S. H. Bullock 1968-5-2 151 Los Angeles San Gabriel Mtns. San Antonio Canyon. Pacific slope. 914 Comment
  SEINET13203224 Image available Quercus chrysolepis R. G. Swinney 2011-1 15884 Los Angeles San Gabriel Mountains: south end of Coldbrook Campground, along Coldbrook Cr., from 50 meters south to 100 meters north of Hwy 39 (Crystal Lake 7.5' Q.) 1006 Comment
  SEINET4077694  Quercus chrysolepis B. C. Templeton 1939-1 7361 Los Angeles East rim at Canyon head, San Clemente Island. Comment
  UCR219454  Quercus chrysolepis R. G. Swinney 2009-3-28 10192 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon 427 Comment
  UCR273023  Quercus chrysolepis M. B. Dunkle 1939-11-25 7361 Los Angeles Channel Islands, San Clemente Island, east rim at canyon head Comment
  UCR273185  Quercus chrysolepis R. G. Swinney 2011-10-25 15884 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
  UCR183772  Quercus douglasii A. C. Sanders 2007-4-19 33440 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  CAS-BOT-BC86403  Quercus dumosa C. E. Miller 1919-1-1 s.n. Los Angeles Catalina Island Comment
  UC847967  Quercus dumosa Marcus E. Jones, A. M. 1882-2-27 3034 Los Angeles Pasadena Comment
  JEPS46135  Quercus durata var. gabrielensis Louis C. Wheeler 1931-11-6 323 Los Angeles 0.5 mi e Palmer Canyon; San Gabriel Mts. 609 Comment
Read comments
May 9 2010
  RSA653368  Quercus durata var. gabrielensis LeRoy Gross 2000-10-28 310 Los Angeles Verdugo Mountains: Beaudry fire road northwest of Radio Towers, ridge top above Engleheard Canyon 793 Comment
  RSA653369  Quercus durata var. gabrielensis LeRoy Gross 2000-10-28 307 Los Angeles Verdugo Mountains: Beaudry fire road north of Radio Towers, west of head of Deer Creek 762 Comment
  RSA653370  Quercus durata var. gabrielensis LeRoy Gross 2000-10-28 309 Los Angeles Verdugo Mountains: Beaudry fire road north of Radio Towers, west of head of Deer Creek 793 Comment
  RSA741092  Quercus durata var. gabrielensis Justin M. Wood 2008-11-20 242 Los Angeles ANF Road (1N36) / SCE access road W of Van Tassel Canyon. Above the city of Duarte. 305 Comment
  RSA775957  Quercus durata var. gabrielensis Orlando Mistretta, Christine Mistretta 2010-6-17 5336 Los Angeles Upper Big Tujunga canyon; Alder Creek; 0.4 miles upstream (NW) of creek crossing at Upper Big Tujunga Canyon Road. 1025 Comment
  UC1922645  Quercus durata var. gabrielensis Valerie L. Soza, Laura Moore 2000-5-10 852 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines, W of peak ''1936''. Near 34deg 14' 29.3'' N 118deg 18' 4.8'' W T2N R14W NE/4, SW/4 sec. 2 Comment
  UCR230262  Quercus durata var. gabrielensis Dan S. Cooper 2011-4-14 411- 17 Los Angeles Ernest E. Debs Regional Park, Montecito Heights, SW of South Pasadena between the Pasadena Fwy (111) and the Huntington Fwy (66) 134 Comment
  RSA177660  Quercus engelmannii Robert F. Thorne, P. Everett 1965-5-12 34611 Los Angeles Bullrush Canyon, Santa Catalina Island. 244 Comment
  RSA654504  Quercus engelmannii Lyman Benson 1946-12-20 12266 Los Angeles Thompson Creek, just north of San Antonio Ave. NW of Claremont. San Gabriel Mt. 457 Comment
  UC1135924  Quercus engelmannii Jerome S. Horton 1936-5-7 326 Los Angeles 0.25 mi se San Dimas reservoir (trail to new Sam Dimas Climatic Station); Pomona Quad., San Dimas 487 Comment
  SEINET12036543  Quercus engelmannii W. M. Canby 1894-1 s.n. Los Angeles Pasadena Comment
  RSA187683  Quercus pacifica Robert F. Thorne 1966-9-15 36701 Los Angeles Santa Catalina Island, Cape Canyon near small reservoir 320 Comment
  SBBG13461  Quercus pacifica E. R. Blakley 1961-9-23 4761 Los Angeles small cyn at E end of Isthmus Harbor 45 Comment
  CAS-BOT-BC104868  Quercus wislizeni Bonnie Carolyn Templeton 1933-5-16 5158 Los Angeles West Blue Ridge, Bif Pines Park, San Gabriel Mts. 2164 Comment
  SFV6247  Quercus wislizeni var. frutescens M. H. Grayum, D. Gillen 1974-5-31 s. n. Los Angeles Santa Susana Mountains North side of Oat Mountain, along main ridge road. 1021 Comment
  POM50195A  Rafinesquia californica L. R. Abrams 1901-04 s.n.-A Los Angeles Devil's Gate. Comment
  CAS-BOT-BC378875  Ranunculus californicus var. californicus LeRoy Abrams 1899-4-1 265 Los Angeles Cierrega Comment
  RSA0018980  Ranunculus californicus var. californicus Lyman Benson 1957-4-17 15719 Los Angeles Kellogg Campus, California Polytechnic Institute. San Jose Hills. Pacific Slope drainage area. 305 Comment
  RSA250509  Ranunculus cymbalaria var. saximontanus Robert F. Thorne, John Dourley 1967-10-10 37341 Los Angeles Angeles National Forest: Jackson Lake, W end of lake. 1867 Comment
  UC56752  Ranunculus cymbalaria var. saximontanus Ernest Braunton July 1902 564 Los Angeles LA River Comment
  RSA721995  Ranunculus hebecarpus F. R. Fosberg 1931-3-24 S- 4348 Los Angeles Hamilton Canyon, Santa Catalina Island. 40 Comment
  SD143970  Raphanus sativus Scott D. White 1997-2-2 4656 Los Angeles San Dimas/Pomona area: Bonelli Regional Park, just NW of Puddingstone Reservoir, S of San Dimas Ave and E of the 210 Freeway. 239 Comment
  SD69642  Raphanus sativus Robert F. Thorne, P. Everett 1965-6-22 34876 Los Angeles Santa Catalina Island; canyon behind Bird Park. 89 Comment
  RSA399210  Reseda alba Anstruther Davidson 1920-03 3368 Los Angeles Foot of St. Susanna Pass Comment
  UC1121944  Rhamnus californica Jerome S. Horton 1936-8-31 399 Los Angeles Dry Lake, Fern Canyon watershed Cucamonga Quad., Fern Canyon 1525 Comment
  CAS-BOT-BC55985  Rhamnus ilicifolia Carl B. Wolf 1927-7-24 s.n. Los Angeles 1/2 mile East of Montrose Comment
  CAS-BOT-BC55995  Rhamnus ilicifolia Annette M. Carter 1935-9-8 956 Los Angeles Sierra Madre 381 Comment
  LA91500  Rhamnus ilicifolia Bruce Douglas Clayton; Greg Shaw 1972-4-20 100 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, Mountain Park Research Campus, along trail on SW-slope of BDC peak. 563 Comment
  UCR48962  Rhaphiolepis indica A. C. Sanders 1987-9-18 7364 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar Blvd. 38 Comment
  CAS-BOT-BC167910  Rhus integrifolia Chas. E. Miller 1917-9-1 s.n. Los Angeles Santa Catalina Island Comment
  IRVC9329  Rhus integrifolia B. T. Gittins 1966-1-9 884 Los Angeles Santa Catalina Island; seaside bluff. Channel Islands Comment
  RSA239457  Rhus integrifolia E. R. Blakley 1963-12-7 6328 Los Angeles San Clemente Island, toward Pyramid Cove; mouth of first large canyon W. of Pyramid Head 23 Comment
  RSA317009  Rhus integrifolia T. S. Elias, Walter Wisura 1984-7-27 8526 Los Angeles North of Malibu; Point Dume. Comment
  RSA526615  Rhus integrifolia Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4203 Los Angeles San Clemente Island: Upper reaches of China Canyon, S end of island, W side. Comment
  RSA0031690  Rhus laurina M. J. Schoenfeld 1967-8-21 8 Los Angeles Glendale Foothills. 213 Comment
  RSA0056314  Rhus laurina Harold L. Pirie 1963-7-4 s.n. Los Angeles Santa Monica Mountains. Along Stunt Road just off Mulholland Highway. 289 Comment
  CAS-BOT-BC167943  Rhus ovata Robert F. Thorne 1970-3-5 39379 Los Angeles Santa Catalina Island: Upper Avalon Canyon 60 Comment
  LA62855  Rhus ovata Carl Epling; May 1927 sn Los Angeles near summit, Ridge Route 1523 Comment
  RSA0105163  Rhus ovata R. G. Swinney 2011-3-15 14083 Los Angeles San Gabriel Mountains: Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 235 Comment
  RSA0105211  Rhus ovata R. G. Swinney 2011-10-27 15924 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
  RSA670156  Rhus ovata Joseph M. Keefe 2001-3-19 31161 -a Los Angeles San Rafael Mountains: Ravine 10 meters north of Glenoaks Boulevard, 200 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, 91208. 466 Comment
  SBBG71086  Rhus ovata R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  SJSU1874  Rhus ovata J. R. Tilden 1957-4-18 1108 Los Angeles Glendora Mt above Glendora, San Gabriel Mts Comment
  UCR252772  Rhus ovata R. G. Swinney 2010-3-10 11789 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes 329 Comment
  RSA122522  Rhus trilobata var. pilosissima P. L. Johannsen 1934-3-5 312 Los Angeles 1.5 mile NE Castac. 427 Comment
  LA82096  Ribes aureum var. gracillimum O. H. Kappler; 1945-3-18 727 Los Angeles Santa Monica Mountains, Benedict Canyon, N of Beverly Hills Comment
  RSA127912  Ribes aureum var. gracillimum Peter H. Raven 1959-3-1 13827 Los Angeles Griffith Park, north of junction of Vista del Valle Drive with Hollywood Drive. 396 Comment
  UCR219447  Ribes aureum var. gracillimum R. G. Swinney 2009-3-28 10199 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Mountain Park, trail 0-40 m above canyon bottom, from park entrance to 0.4 mi. up canyon 427 Comment
  CAS-BOT-BC93083  Ribes californicum var. hesperium Prof. W. R. Dudley 1907-11-22 s.n. Los Angeles Monrovia Canon [Canyon]. Comment
  CAS-BOT-BC93093  Ribes californicum var. hesperium Peter H. Raven 1959-2-15 13789 Los Angeles Santa Monica Mountains. On east facing slope Benedict Canyon at Mullholland Drive. 335 Comment
  UCR277204  Ribes cereum R. G. Swinney 2010-9-30 13936 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
  LA200843  Ribes indecorum Carl Epling; 1931-3-7 sn Los Angeles Santa Monica Mountains, Mandeville Canyon, head of canyon Comment
  RSA128791  Ribes indecorum Peter H. Raven 1959-2-25 13812 Los Angeles 1.2 miles east of summit, Saddle Peak. 610 Comment
  UC921816 Image available Ribes indecorum L. R. Abrams 1916-1-3 5572 Los Angeles between Duarte and Azusa Comment
  CAS-BOT-BC173409  Ribes malvaceum L. R. Abrams 1901-4-1 1313 Los Angeles Santa Monica Mountains Comment
  SFV15493  Ribes malvaceum var. malvaceum E. J. Spencer 1992-2-14 10 Los Angeles West side of The Old Road, mile post 1.75. 457 Comment
  RSA651624  Ribes malvaceum var. viridifolium Harold Lint 1955-3-29 s.n. Los Angeles Glendora Mt. Road. above San Gabriel Reservoir. Comment
  UC212585  Ribes nevadense I. M. Johnston 1403 Los Angeles San Antonio Canyon San Antonio Mountains 1676 Comment
  SEINET12221491  Ribes parishii C. H. Johnson, Wyckoff, S. N. 1921-2-19 98 Los Angeles El Monte Comment
  RSA549794  Ribes roezlii Wandalee Thompson 1964-4-14 12 Los Angeles Mouth of Richardson Canyon, 2 miles W of Three Points on N-2 (Pine Canyon Road) 1128 Comment
  RSA588731  Ribes roezlii Orlando Mistretta 1994-5-31 1278 Los Angeles Santiago canyon. N slope of Pacifico Mountain. 2027 Comment
  CAS-BOT-BC168675  Ribes speciosum George B. Grant 1901-3-13 6388 Los Angeles Pasadena. Comment
  POM294607  Ribes speciosum Lyman Benson 1946-12-28 12272 Los Angeles Head of Turnbull Canyon, Whittier, Puente Hills Mt. 305 Comment
  SFV6229  Ribes speciosum R. M. Muran 1974-2-12 13 Los Angeles Santa Monica Mountains Mandeville Canyon, 2 miles south of Mulholland Drive. 427 Comment
  LA210277  Ribes speciosum s.n. Los Angeles Botany III Comment
  CAS-BOT-BC173934  Ribes viburnifolium Lester Rowntree 1938-3-15 s.n. Los Angeles Catalina Comment
  CATA1460  Ribes viburnifolium Mark L. Hoefs, Robert F. Thorne 1996-4-6 2644 Los Angeles Santa Catalina Island: Renton Mine Road 243 Comment
  JEPS49311  Ribes viburnifolium W. L. Jepson 1908-7-12 3055 Los Angeles Catalina Island Comment
  RSA602378  Ricinus communis L. C. Wheeler 1945-8-16 6093 Los Angeles Whittier: San Jose Creek at Workman Mill Road. Comment
  SBBG65646  Rigiopappus leptocladus R. Hoffmann 1931-5-3 Los Angeles 3 mi E of Elizabeth Lake Comment
  RSA725245  Romneya coulteri K. Dobry 1991-6-28 d- 777 Los Angeles Stunt Ranch Santa Monica Mts Stunt Rd Cold Creek Cyn. Comment
  RSA232970  Romneya coulteri var. trichocalyx D. A. Young 1969-5-25 P 485 Los Angeles Along the side of San Dimas Ave. about 1 mile north of Pudding Stone Lake 305 Comment
  LA200325  Rorippa nasturtium-aquaticum Jonathan Sauer; H. N. Sauer, J. Zadny, M. Zadny 1970-6-15 4823 Los Angeles SANTA MONICA MOUNTAINS, upper Rustic Canyon Comment
  CATA1152  Rosa californica Mark L. Hoefs 1995-5-23 2143 Los Angeles Santa Catalina Island: Upper Middle Canyon 225 Comment
  RSA654412  Rosa californica Matt Brooks 1988-5-12 64 Los Angeles Hacienda Heights, Oak Canyon Dr. 0.8 miles south of its intersection with Turnbull Canyon Rd. Comment
Read comments
Aug 12 2014
  UC535615  Rosa californica Ira W. Clokey, B. Templeton June 1929 4559 Los Angeles Mandeville Canyon; Santa Monica Mountains 350 Comment
  SEINET11917916  Rosa californica J. F. Bright, Wyman, C. 1923-5-28 8494 Los Angeles near Los Angeles Comment
  UC1174803  Rosa minutifolia E. K. Balls 1960-5-18 24120 Los Angeles Claremont, in Botanic Garden Comment
  UC501505  Rosa woodsii subsp. gratissima Frank W. Peirson 1918-6-17 470 Los Angeles Rock Creek San Gabriel Range 1676 Comment
  RSA607579  Rubus ulmifolius var. inermis Louis C. Wheeler 1969-12-22 s.n. Los Angeles San Gabriel Mountains: Big Santa Anita Canyon at Winter Creek. 549 Comment
  RSA656266  Rubus ursinus Bill McKinley 1976-4-18 4 Los Angeles Verdugo Mountains: 40 yards west of intersection of 2 Fire Roads, 940 yards up Beaudry Blvd. near Oakmont Country Club, Glendale. 409 Comment
  UC861856  Rubus ursinus F. R. Fosberg 1931-4-13 S 4584 Los Angeles Santa Catalina Island , Pebble Beach Canyon 60 Comment
  UCR159963  Rubus ursinus Phillip Robinson 1991-5-12 358 Los Angeles Los Angeles Basin region; San Gabriel Valley, Sycamore Canyon 0.25 miles south of intersection of Beverly Blvd. & Workman Mill Road. 0.5 miles east of Workman Mill Rd on trail into Canyon. [City of Industry, sw of Rio Hondo College, east of 605 Fwy.] Comment
  PASA1200  Rubus vitifolius Sally Ellis 1940-4-16 Los Angeles Evy's canyon, Claremont Comment
  POM175569  Rumex conglomeratus E. Crow 1930-6-28 s.n. Los Angeles Bichota Canyon, San Gabriel Mountains. Comment
  SBBG112817  Rumex conglomeratus S. A. Junak with K. Kirkland 1998-7-17 SCa 779 Los Angeles lower portion of Silver Cyn, ca. 0.4 air mi inland from beach 36 Comment
  SD69670  Rumex crispus Robert F. Thorne, P. Everett 1965-6-23 34956 Los Angeles Santa Catalina Island: lower portion of Middle Ranch Canyon, stream bed 91 Comment
  UCR205079  Rumex crispus R. G. Swinney 2008-4-9 8625 Los Angeles San Gabriel Mtns., Glendora, Wildwood Canyon 329 Comment
  UCR86244  Rumex crispus L. C. Yoshida, T. H. Yoshida, H. Y. Yoshida 1995-4-15 2 Los Angeles Puente Hills, near SW corner of Camino del Sur and Colima Rd., N slope, on horsetrail W side of Colima Rd 293 Comment
  UCR126741  Rumex obtusifolius A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26223 Los Angeles Western San Gabriel Mtns., Castaic Valley along Castaic Creek 0-2 km downstream from Lake Hughes Rd., Newhall Ranch 351 Comment
  UCR270666  Rumex salicifolius R. G. Swinney 2011-6-29 15357 Los Angeles San Gabriel Mountains, Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  SBBG131627  Rumex salicifolius S. A. Junak 1999-9-10 SCa 1086 Los Angeles S side of upper reservoir, Bulrush Cyn 316 Comment
  RSA466119  Rumex salicifolius var. salicifolius F. R. Fosberg 1931-8-10 S 5623 Los Angeles Crystal Lake, Pine Flats: N. Fork, San Gabriel Canyon, San Gabriel Mountains 1600 Comment
  RSA522462  Rumex salicifolius var. salicifolius Tim S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4042 Los Angeles NE of Tie Summit Station and E of Angeles Forest Hwy. Westerly drainage that meets Tie Canyon. Tujunga Ranger District, Angeles National Forest. 1463 Comment
  RSA763249  Salazaria mexicana Justin M. Wood 2010-5-10 1641 Los Angeles San Gabriel Mountains: Vicinity of Littlerock Creek; just southwest of intersection of Cheseboro Rd. and Mt. Emma Rd. 973 Comment
  CAS-BOT-BC103158  Salix bonplandiana Peter H. Raven 1959-5-3 14103 Los Angeles Franklin Canyon 0.7 miles south of Mulholland Drive 289 Comment
  RSA6431  Salix exigua Carl. W. Sharsmith 1932-1-17 13 Los Angeles Lower San Gabriel Canyon, about 9.5 km. above Azusa. 300 Comment
  SBBG124475  Salix exigua R. Burgess, P. Munro 1999-4-17 3268 Los Angeles Canton Cyn, NE of Lake Piru, N side of Canton Crk, above second narrows 502 Comment
  SD237605  Salix exigua A. C. Sanders, Dan S. Cooper 2010-4-30 38149 Los Angeles South Coast: Madrona Marsh, Torrance (Torrance 7.5'Q) 24 Comment
  RSA362617  Salix laevigata Robert Gustafson 1978-6-1 989 Los Angeles Near the entrance of Hungry Valley off dirt road leading into the valley, 0.1 west of the paved 2-lane Peace Valley Rd., about 1/4 miles west of Gorman. 1220 Comment
  SBBG57884  Salix lasiolepis F. R. Fosberg 1932-1-26 7179 Los Angeles Topanga Cyn 225 Comment
  SD896  Salix lasiolepis Carl W. Sharsmith 1931-11-15 4 Los Angeles Santa Monica Mountains; foot of coastal headland near mouth of Topanga Canyon 14 Comment
  UCR147850  Salix lasiolepis L. C. Wheeler 1954-8-31 7061 Los Angeles San Gabriel Mountains, Cooper Creek near confluence with Little Rock Creek, Buckhorn 1738 Comment
  CAS-BOT-BC107541  Salix lasiolepis var. lasiolepis S. Y. Parnay Mar. 38 Los Angeles Oak Knoll Comment
  RSA616053  Salix lucida subsp. lasiandra Scott D. White 1997-11-20 6022 Los Angeles Cismontane L.A. County: Big Tujunga Wash (San Gabriel Mtn. foothills / E San Fernando Valley): West of Sunland, SW of I-210 Freeway, E of Hansem Dam, and N of Wentworth St. 320 Comment
  CAS-BOT-BC126292  Salix sessilifolia I. M. Johnston 1917-8-23 1685 Los Angeles San Antonio Mountains. Prairie Fk of San Gabriel R. 1524 Comment
  RSA52937  Salpichroa origanifolia George T. Hastings 1950-7-23 s.n. Los Angeles Santa Monica. Comment
  SD185189  Salsola paulsenii T. B. Salvato, Sandra Murcia 2005-11-1 1243 Los Angeles Northeast edge of Palmdale, ca. 2.0 miles north of Pearland. 793 Comment
  RSA248863  Salsola tragus R. F. Thorne 1973-4-12 42981 Los Angeles San Clemente Island, just SE of Airfield Operations. 61 Comment
  RSA607578  Salsola tragus L. C. Wheeler 1973-6-8 s.n. Los Angeles Los Angeles: SE of Alameda St. & San Diego Fwy, between Sepulveda & 233rd St. [L. A. Harbor Dept., Classification Yard, E of Domiguez Flood Control Channel.] Comment
  RSA0016198  Saltugilia splendens R. F. Thorne, C. W. Tilforth 1972-6-29 42089 Los Angeles Angeles National Forest: Summit of Table Mountain above Big Pines. 2287 Comment
  UCSB31641  Saltugilia splendens Griesel, Wesley 1962-5-28 Los Angeles Road from Big Pines to Palmdale, San Gabriel Mts. 1524 Comment
  RSA67055  Saltugilia splendens subsp. grantii Verne Grant, Alva Grant 1951-6-11 16030 Los Angeles Along road to Mt. Wilson about 2 miles W of summit 1220 Comment
  RSA411297  Salvia apiana Geo. L. Moxley, Grinnell 1916-6-15 s.n. Los Angeles Santa Susana Mountains. Comment
  RSA491792  Salvia apiana James L. Reveal 1988-5-17 6779 Los Angeles Along the Green Valley Road at the mouth of Spunky Creek just north of Bouquet Reservoir, 1.7 mile west off the Bouquet Canyon Road between Palmdale and Saugus. 945 Comment
  RSA613094  Salvia apiana Erin Hewgley, Jeanne Gural 1997-4-18 18 Los Angeles Claremont: Bernard Field Station of the Claremont Colleges, located on the NW corner of Mills Avenue and Foothill Boulevard. West of main road, south of lake. 412 Comment
  RSA442851  Salvia apiana William Emboden 1969-5-28 41 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). 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
  SFV3208  Salvia dorrii P. G. Kilburn 1958-4-12 718 Los Angeles Mojave Desert Palmdale, N and 30th Street, 5 miles NW of downtown. 3 miles west of US #6 on north side of road. In sandy soil. 790 Comment
  CAS-BOT-BC214319  Salvia dorrii var. pilosa Frank W. Peirson 1923-5-26 s.n. Los Angeles Rock Creek, San Gabriel Mts. 1371 Comment
  CAS-BOT-BC214322  Salvia dorrii var. pilosa Cecil Hart 1927-4-10 s.n. Los Angeles Ridge route to Lancaster Comment
  LA34654  Salvia dorrii var. pilosa Mary V. Hood; 1938-5-1 38- 6 * Los Angeles Mint Canyon Comment
  OBI35536  Salvia leucophylla Rebecca Cicoria 1981-5-18 29 Los Angeles Along crenshaw dirt road in slide area of Portuguese Bend, Ranch Palos Verdes Comment
  LA86118  Salvia mellifera Emboden W. A. Jr.; 1962-4-29 Los Angeles Santa Monica Mountains, Mulholland Drive near Beverly Glen Blvd Comment
  OBI69242  Salvia mellifera John Knapp, Denise Knapp 2003-4-13 18 Los Angeles Catalina Island 3687871.928N x 377624.177E 64 Comment
  SD66879  Salvia mellifera R. Mitchel Beauchamp 1967-3-20 346 Los Angeles Santa Catalina Island, above Abalone Point, south of Avalon. Comment
  UCR212833  Salvia mellifera Ellen Mackey, Blake Whittington 2006-10-24 NFWF- 1831 Los Angeles Transverse Range; San Gabriel Mountains, San Gabriel River Watershed, San Gabriel R. main stem across from Morris Dam, between San Gabriel Canyon Road (Hwy 39) and Silver Fish Truck Trail 402 Comment
  RSA6003  Sambucus mexicana C. B. Wolf 1932-10-5 4238 Los Angeles Santa Catalina Island, 1 mile from Middle Ranch on road to Black Jack Peak. 274 Comment
  RSA650333  Sambucus mexicana T. Strid 1971-5-23 s.n. Los Angeles Tujunga Cyn Comment
  SEINET12315331  Sambucus mexicana D. P. Reagan 1974-1 15 Los Angeles just E of Sandberg along State Road N-2 Comment
  CAS-BOT-BC238741  Sambucus nigra subsp. caerulea Alice Eastwood 1917-7-20 6471 Los Angeles Santa Catalina Island Comment
  OBI19614  Sambucus nigra subsp. caerulea Robert J. Rodin 1953-5-2 5812 Los Angeles Catalina Island. Behind White's Cove Comment
  RSA0091523  Sambucus nigra subsp. caerulea R. G. Swinney 2010-4-15 12261 Los Angeles Indian Canyon, at confluence with Lopez Cyn., east side of Lopez Cyn. Road, NE side of jct. of Lopez Cyn. Rd. and Bailey Rd., outside forest service boundary 415 Comment
  SBBG95262  Sambucus nigra subsp. caerulea M. B. Dunkle 1928-5-28 1984 Los Angeles Avalon Cyn 38 Comment
  UCR258827  Sambucus nigra subsp. caerulea R. G. Swinney 2010-4-23 12345 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  POM158327  Sanicula arguta M. B. Dunkle 1928-3-31 1775 Los Angeles Santa Catalina Island: Campo Blanco [El Rancho Escondido]. Comment
  LA32917  Sanicula arguta Jean Wylie; 1936-4-18 Los Angeles Santa Monica Mountains, Mulholland Drive Comment
  RSA470983  Sanicula arguta Reid V. Moran 1941-2-17 579 Los Angeles San Clemente Island. Middle Ranch, East side of arroyo. 500 Comment
  RSA470993  Sanicula arguta Anstruther Davidson 2343 Los Angeles Hollywood. Comment
  RSA250677  Sanicula bipinnatifida R. F. Thorne 1971-4-2 41427 Los Angeles Johnson's Pasture s, N. of Mountain Avenue, Claremont 549 Comment
  POM308897  Sanicula bipinnatifida Kay H. Beach 1943-4-22 641 Los Angeles Dalton firebreak, San Dimas Experimental Forest. Comment
  JEPS273  Sanicula crassicaulis Frank W. Peirson 1919-5-18 431 Los Angeles San Gabriel Mountains, Monrovia Canyon Monrovia Canyon; San Gabriel Mountains, Monrovia Canyon 609 Comment
  SD253359  Sanicula crassicaulis R. G. Swinney 2011-3-18 14145 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail. 1000 Comment
  RSA0115845  Sanicula crassicaulis Steven A. Junak 1999-4-22 SCa- 844 Los Angeles Santa Catalina Island. Cape Canyon, just downstream from pumpjouse, along E fork of Cape Canyon Road, just upstream from fork in road, on E side of streambed, in canyon bottom. 305 Comment
  UCR150932  Sarcostemma cynanchoides subsp. hartwegii Valerie Soza, LeRoy Gross 1999-5-10 457 Los Angeles San Gabriel Mountains, Foothills above Glendora, west of Colby Trail, at end of Loraine Avenue 378 Comment
  SD69005  Satureja douglasii Robert F. Thorne, D. Propst 1968-5-28 37647 Los Angeles Santa Catalina Island, middle Bulrush Canyon 244 Comment
  LA50744  Saxifraga californica A. M. Johnson; 1935-2-22 4548 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  SBBG113080  Schismus arabicus S. A. Junak with M. L. Hoefs, K. Kirkland, L. Stratton 1998-5-2 SCa 629 Los Angeles rd to East Pk, just SW of Pk 1245, ca. 0.85 air mi NW of East Pk 347 Comment
  SEINET7297420 Image available Schismus barbatus Robert F. Thorne, G. Wallace 1973-1 43411 Los Angeles San Gabriel Mts., Mojave Desert Slope: junction of Pallett Creek & Longview Roads, c. 4 mi S of Pear-blossom 1173 Comment
  UCR273915  Schismus barbatus Steven A. Junak 1999-4-24 SCa- 859 Los Angeles California Islands, Santa Catalina Island. Plant stop, main road 445 Comment
  POM1386  Schoenoplectus californicus I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough . [locality name change to Laguna Dominguez ] Comment
  RSA366070  Schoenoplectus maritimus Edwin Kline 1924-7-5 s.n. Los Angeles Near Inglewood. Comment
  UC1871323  Schoenoplectus pungens T. Ross 1993-4-20 6825 Los Angeles Santa Catalina Island; NE side of Little Harbor near outlet of Little Springs Canyon drainage 2 Comment
  UC8040694  Scirpus cernuus I. Johnston 1917-6-14 1344 Los Angeles w Pomona; w of Pomona Comment
  UC1595219  Scrophularia californica subsp. californica Tim Ross and Peter Fritsch 1990-6-20 3656 Los Angeles ridgetop between W Fork San Gabriel River and Roberts Canyon (Rincon-Red Box Rd); San Gabriel Mts 1255 Comment
  POM157994  Scrophularia villosa M. B. Dunkle 1928-3-17 1736 Los Angeles Santa Catalina Island, Cherry Valley 61 Comment
  SBBG71561  Scutellaria mexicana M. N. Ackley 1927-5-8 478 Los Angeles Little Rock foothills 914 Comment
  UC1586188  Scutellaria siphocampyloides Tim Ross 1991-8-16 5820 Los Angeles Horse Flats; San Gabriel Mountains, Horse Flats 1719 Comment
  UC1871164  Scutellaria siphocampyloides T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3974 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W, ca. 350 m W of the knoll, T7N R17W E 1/2 NE 1/4 sec 9. Elev 4560-5520 feet. [West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10] Comment
  UCR256531  Sedum spathulifolium Anuja Parikh, Nathan Gale 2011-7-19 3568 Los Angeles Transverse Range; San Gabriel Mountains, West Fork San Gabriel River, 6.3 km west of State Hwy 39, San Gabriel Canyon Road 595 Comment
  LA94008  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-12 1682 Los Angeles SANTA MONICA MOUNTAINS, Triunfo Canyon, ca 0.5 mi from Lobo Canyon turnoff, near road. 304 Comment
  POM243884  Selaginella bigelovii Marcus E. Jones 1882-2-25 3023 Los Angeles Pasadena. Comment
  UCR197192  Selaginella bigelovii Valerie Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 663 Los Angeles Transverse Ranges; Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. SSW of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 549 Comment
  RSA0106843  Senecio flaccidus var. douglasii R. G. Swinney 2011-5-10 14640 Los Angeles San Gabriel Mountains: Angeles Natl. Forest, Manzanita Mt., at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center. 616 Comment
  RSA191643  Senecio flaccidus var. douglasii R. F. Thorne, M. Z. Thorne 1966-8-29 36602 Los Angeles along Angeles Crest Hwy near junction with road to Blue Ridge Camp 2255 Comment
  JEPS30353  Senecio lyonii Peter H. Raven 1962-4-10 17188 Los Angeles hillside above Wilson Cove; San Clemente Island 106 Comment
  SEINET4015259 Image available Senecio lyonii M. B. Dunkle 1939-1 7349 Los Angeles San Clemente Island. 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
  MACF019832  Sequoia sempervirens L. Hathaway 1961-7-20 Los Angeles 11901 E. Florence Ave., Santa Fe Springs Comment
Read comments
Jun 5 2015
  RSA483321  Setaria parviflora Anstruther Davidson 1912-06 2865 Los Angeles Los Angeles County Comment
  RSA595874  Silene californica Timothy S. Ross, Victor W. Steinmann 1995-5-8 8541 Los Angeles Bouquet Canyon: along Bouquet Canyon Road near Bouquet Campground No. 3. 735 Comment
  POM11354  Silene gallica F. L. Robinson 1921-4-20 39 Los Angeles Claremont. 365 Comment
  RSA477857  Silene gallica M. Bisbee 1917-5-30 1705 Los Angeles Wild flower garden, Exposition Park Comment
  SFV21408  Silene laciniata subsp. laciniata L. Gross, M. Denslow, B. Hogshead, S. Swartzentruber 2003-6-17 1047 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Brand Canyon above the large waterfall where the canyon forks off, near above coordinates. Smaller side canyon that branches off to the east of the main canyon. Side canyon narrows quickly to a bedrock waterfall (or seep). 519 Comment
  UCD98940  Silene laciniata subsp. laciniata Daryl Koutnik; George Fisler 1978-4-26 s.n. Los Angeles Walker Ranch, east end of Placerita Canyon County Park. 365 Comment
  UCR276955  Silybum marianum R. G. Swinney 2010-5-25 12908 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  SFV21424  Sisymbrium altissimum L. Gross, T. Anderson 2004-5-3 1218 Los Angeles San Gabriel Mountains Road started west of Mount Lukens, down (southeast) to a little west of Earl Canyon Road (USFS Roads 2N76.1 & 2N76.2) 1333 Comment
  UCR281334  Sisymbrium altissimum R. G. Swinney 2014-4-24 16241 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
  RSA0080389  Sisymbrium irio R. G. Swinney 2010-3-24 12044 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA747878  Sisymbrium irio Justin M. Wood 2009-3-6 338 Los Angeles NW corner of Monte Vista Ave and Foothill Blvd., County line goes through property but most plants were collected in LA County. 402 Comment
  RSA602450  Sisymbrium orientale Scott D. White 1997-5-14 5133 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mountains SW of I -210 freeway, E of Hansen Dam, and N of Wentworth St. 351 Comment
  RSA653680  Sisymbrium orientale Valerie L. Soza, LeRoy Gross, Adelina Munoz 2000-5-12 876 Los Angeles Verdugo Mountains, northeast side: Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. At Sacred Council junction off main road 365 Comment
  UCR178392  Sisymbrium orientale LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 703 Los Angeles Transverse Ranges: Verdugo Mountains Region;, South side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway 622 Comment
  UCR213234  Sisyrinchium bellum Dan S. Cooper 2010-3-23 20100323- 05 A Los Angeles Western Transverse Range, eastern Santa Monica Mtns., Griffith Park, south end of Cedar Grove 271 Comment
  RSA0083083  Solanum douglasii R. G. Swinney 2010-3-22 12032 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  RSA0087240  Solanum douglasii R. G. Swinney 2010-4-28 12384 Los Angeles near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA660308  Solanum douglasii Yvonne Rasmussen, Deborah Rasmussen 1984-5-5 44 Los Angeles 4.9 miles past the Pasadena city limits, a pull off on the left side of road as one is going up mountain. Comment
  UC472142  Solanum douglasii J. Ewan 1930-3-8 3715 Los Angeles Verdugo Range, Southard Peak Trail Southard Peak Trail; Verdugo Range, Southard Peak Trail Comment
  POM219191  Solanum physalifolium var. nitidibaccatum Louis C. Wheeler 1932-8-11 1130 Los Angeles 2 mi. NE La Verne. Damp sunny clay soil. 381 Comment
  SEINET10818883 Image available Solanum tuberosum Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3778 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  RSA427432  Solanum umbelliferum Richard C. Barkelew 1929-2-23 s.n. Los Angeles Cahuenga Pass. Comment
  UCR255790  Solanum umbelliferum R. G. Swinney 2010-3-10 11823 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  CAS-BOT-BC156849  Solanum umbelliferum Prof. W. R. Dudley 1907-12-18 s.n. Los Angeles Sawpit [Canon] Canyon (near Monrovia) Comment
  SBBG55465  Solanum umbelliferum S. Michael 1967-5-12 28 Los Angeles Pomona College Wash, Claremont near San Bernardino county line, S of US Hwy 66 335 Comment
  SEINET4100305  Solanum wallacei R. Moran 1941-1 687 Los Angeles Whites Landing, Santa Catalina Island. 50 Comment
  UC26249  Solanum wallacei Blanche Trask Mar. 1890 Los Angeles Santa Catalina Island, Avalon Avalon; Santa Catalina Island, Avalon Comment
  UCR92060  Solanum xanti Scott D. White 1995-2-7 2514 Los Angeles San Gabriel Mtns., Picnic area, Lopez Cyn. Rd. +-2 mi north of Foothill Boulevard 488 Comment
  RSA487343  Solidago californica Richard Noyes 1988-10-30 751 Los Angeles 1 kilometer N of mills Avenue terminus 550 Comment
  UCR182486  Solidago confinis R. G. Swinney 1997-7-22 5698 Los Angeles San Gabriel Mtns, Government Canyon, west of Wrightwood, 0.75 mi. west of San Bernardino Co. line at Hwy 2, Blue Ridge Mtn. area 2195 Comment
  RSA0045419  Solidago confinis Wendy Boes, Andrew Wheeler 2009-7-13 2009 -036 Los Angeles San Gabriel Mountains; Crystal Lake Recreation Area, Big Cienega Springs Forest Service RD 3N07.2. 1981 Comment
  RSA697313  Solidago occidentalis Keith E. Hoffmaster 1933-9-24 s.n. Los Angeles Near Santa Ana. Comment
  RSA0104908  Solidago velutina subsp. californica R. G. Swinney 2011-10-18 15838 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
  RSA188377  Sonchus asper R. F. Thorne, Percy C. Everett 1965-6-23 35011 Los Angeles Santa Catalina Island, lower part of Hamilton Canyon along stream bed. 61 Comment
  UCR108410  Sonchus oleraceus L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mtns, Aliso Canyon, Blum Ranch 884 Comment
  CAS-BOT-BC374612  Sonchus oleraceus Carl B. Wolf 1932-5-9 3422 Los Angeles Santa Catalina Island. Avalon. Near Bathhouse 7 Comment
  UCD92753  Sorghum halepense Jack McWhorter 1976-5-19 s.n. Los Angeles North Hollywood. Comment
  UCSB12225  Sorghum halepense Hochberg, Fred 1961-3-17 Los Angeles North side of the Milk Barn, Middle Ranch, Middle Canyon, Catalina Island Comment
  OBI8159  Spartium junceum Lewis Meltz 1977-4-9 LM 35 Los Angeles Found on road cut of old Mt. Wilson toll rd 2.5 km NE of Eaton Cyn brdg Comment
  UCD108504  Spartium junceum M. A. Salazar 1969-8-12 s.n. Los Angeles Big Tujunga Canyon, c. 5 miles north of Tujunga. Comment
  RSA594984  Spergularia bocconi Mark L. Hoefs, Steven A. Junak, Janet Takara, M. Gay 1995-7-13 2376 Los Angeles Santa Catalina Island. Boushay canyon Road, by Ironwood grove off of Upper West End Road. 396 Comment
  SBBG132067  Spergularia bocconi S. A. Junak, B. Collins 1991-4-25 SCI 223 Los Angeles E side of island, along rd to Camera Pad "Boulder", N of Thirst Cyn 585 Comment
  POM158304  Spergularia macrotheca M. B. Dunkle 1928-4-29 1910 Los Angeles Santa Catalina Island. Near beach Little Harbor 3 Comment
  RSA0098739  Spergularia macrotheca var. macrotheca Timothy S. Ross 1991-5-22 5443 Los Angeles San Clemente Island: Spray (Point), W side of island about 5300 feet N of Eel Point. 9 Comment
  JEPS76501  Sporobolus airoides L. R. Heckard with Maynard Moe 1977-4-2 4557 Los Angeles ca. 1/2 mi. e. of lake bed at s. tip of Rogers dry lake Edwards Air Force Base; , Rogers dry lake 728 Comment
  UC519972  Stachys albens Louis C. Wheeler 1932-7-2 891 Los Angeles San Dimas Canyon San Gabriel Mts. 457 Comment
  RSA446644  Stachys bullata Richard C. Barkelew 1929-4-7 s.n. Los Angeles Mulholland Highway Comment
  RSA611606  Stanleya pinnata var. pinnata L. C. Wheeler 1968-5-12 s.n. Los Angeles 2/3 mile E of Juniper Bowl, Juniper Hills. 1158 Comment
  RSA66814  Stanleya pinnata var. pinnata F. W. Peirson 1918-6-16 292 Los Angeles Rock Creek, north slope of San Gabriel Mountains 1448 Comment
  UCD115913  Stanleya pinnata var. pinnata Ernest C. Twisselmann 1964-5-7 9391 Los Angeles Avenue E, 5 miles east of Highway US 6. 617 Comment
  CAS-BOT-BC374820  Stebbinsoseris heterocarpa Carl B. Wolf 1932-5-11 3550 Los Angeles Santa Catalina Island. W. side of Isthmus Harbor 30 Comment
  POM219127  Stellaria graminea L. C. Wheeler 1932-5-30 795 Los Angeles 2 miles NE La Verne 381 Comment
  SBBG17987  Stellaria media E. R. Blakley 1963-4-10 5599 Los Angeles 1 mi S of Avalon on rocky ridge, small cyn 30 Comment
  RSA0094090  Stephanomeria cichoriacea Richard G. Swinney 2011-11-3 16001 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
  UCR85817  Stephanomeria cichoriacea T. S. Ross 1991-8-16 5805 Los Angeles San Gabriel Mtns., Clear Creek Canyon, roadcut along Angeles Forest Hwy 1085 Comment
  CAS-BOT-BC375721  Stephanomeria runcinata I. M. Johnston 1918-7-23 2099 Los Angeles San Antonio Canon [Canyon] Wash (near Claremont) 365 Comment
  POM184075  Stephanomeria virgata P. A. Munz 1932-8-31 12819 Los Angeles Playa Del Rey Comment
  JEPS26122  Stephanomeria virgata subsp. virgata Peter H. Raven 1958-9-28 13735 Los Angeles Elysian Park Santa Monica Mountains 198 Comment
  CATA1397  Stephanomeria virgata subsp. virgata Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-11-9 2539 Los Angeles Santa Catalina Island: Road past radio station to Salta Verde 493 Comment
  SEINET256101  Stipa Mary E. Barkworth, LR Firestone 1982-8-26 4086 Los Angeles Angeles National Forest ; Campground on CA Hwy 2 2240 Comment
  UCR166088  Stipa hymenoides 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
  UCR190888  Stipa parishii R. G. Swinney, Cody Clarke 2001-6-20 7992 Los Angeles San Gabriel Mtns., summit of Mt. Lewis, NW of Dawson Saddle 2560 Comment
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Feb 6 2013
  UCR180078  Stipa pulchra R. G. Swinney 1989-5-6 s.n. Los Angeles San Gabriel Mtns., in and Near Glendora Wilderness Park, in Big Dalton Canyon and its tributaries. Poopout Hill firebreak 488 Comment
  UCR177488  Stipa speciosa LeRoy Gross 2005-5-3 221 Los Angeles Transverse Range; San Gabriel Mountains, west terminus of Holcomb Ridge, west of Big Rock Creek, along the east [and] NE side of hill. North of Fort Tejon Road, west of Valyermo Road [also T5N, R9W SW/4 sec. 31] 1215 Comment
  UCR217127  Stipa speciosa R. G. Swinney 2009-3-20 10136 Los Angeles San Gabriel Mtns. Foothills, Azusa/Irwindale, mouth of San Gabriel River Canyon, 100-400 m north of I-210 Fwy, 300 m east of the river channel 177 Comment
  UCR282143  Stipa speciosa R. G. Swinney 2014-4-10 16066 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  RSA594994  Stuckenia pectinata Mark Haefs, Steven A. Junak, Janet Takara, M. Gay 1995-7-14 14 Los Angeles Santa Catalina Island. By upper Cape Canyon Reservoir. 323 Comment
  RSA585365  Stylocline psilocarphoides Timothy S. Ross 1991-4-27 4724 Los Angeles Black Butte 1082 Comment
  CAS-BOT-BC422972  Stylomecon heterophylla A. D. E. Elmer 1903-5-1 4921 Los Angeles San Pedro Comment
  POM19191  Stylomecon heterophylla P. A. Munz 1923-4-9 6656 Los Angeles Mouth of canyon, east coast. San Clemente Island. Comment