Search Results — 2000 specimen records retrieved (1572 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA719389  Abies concolor R. G. Swinney 1997-4-25 5499 Los Angeles At peak of Iron Mountain, 4-5 air miles NW of Mt. Baldy village. 2405 Comment
  RSA0065508  Abies concolor Rudi Schmidt 1962-6-2 s.n. Los Angeles Swarthout Valley, Angeles National Forest. 1981 Comment
  CAS-BOT-BC229369  Abronia umbellata Philip A. Munz 1932-8-31 12814 Los Angeles Playa del Rey Comment
  RSA460977  Abronia umbellata I. M. Johnston 1917-6-10 1316 Los Angeles Playa del Rey. Comment
  UCSB10457  Acacia baileyana Lloyd, Robert 1959-3-9 Los Angeles Fifth and College Street, Claremont; just south of Crookshank Hall, Pomona College; San Gabriel Mt. Range; Pacific slope drainage area 365 Comment
  UCR177312  Acacia dealbata LeRoy Gross, Michael Denslow, B. Hogshead, Sarah Swartzentruber 2003-6-17 1037 Los Angeles Transverse Ranges; Verdugo Mountains, South side of mountains, west side of Brand Canyon just a short distance above the cemetery 307 Comment
  UCR51318  Acacia saligna A. C. Sanders 1988-2-3 7599 Los Angeles Pacific slope, El Segundo Dunes, west of Los Angeles International Airport & Pershing Drive, east of Vista Del Mar Blvd. 30 Comment
  RSA670353  Acamptopappus sphaerocephalus Bonnie C. Templeton 1931-5-17 1208 Los Angeles South of Lancaster. Mojave Desert. Comment
  POM2705  Acer macrophyllum Leona Modgett 1909-06 11 Los Angeles Claremont. Comment
  SEINET12766388  Acer macrophyllum K. Dobry 1991-5-2 581 Los Angeles Elsmere Canyon, West San Gabiel Mountains.; 0 Comment
  SD197640  Acer negundo var. californicum A. C. Sanders, T. B. Salvato 2009-5-20 36852 Los Angeles San Gabriel Valley: Rio Hondo at Rancho Lujan, between Montebello and South El Monte, est side of San Gabriel Boulevard, southeast of Darlington Street intersection. 60 Comment
  CAS-BOT-BC21681  Achillea millefolium Grant 1904-4-21 4923 Los Angeles Catalina Comment
  RSA355905  Achillea millefolium var. californica R. F. Thorne 1975-9-3 47372 Los Angeles Santa Catalina Island. Near Blue Cavern Point 15 Comment
  POM182186  Achnatherum coronatum Marcus E. Jones 1926-5-7 s.n. Los Angeles Claremont. 365 Comment
  UCD50274  Achnatherum coronatum Joseph Andorfer Ewan 1932-7-4 7591 Los Angeles Upper Millards Canyon. San Gabriel Mts. Los Angeles County. Upper Sonoran Zone. 1188 Comment
  CAS-BOT-BC260442  Achnatherum hymenoides A. D. E. Elmer 1902-6-1 s.n. Los Angeles Acton Comment
  RSA599797  Achnatherum speciosum Steve Boyd, Lauren Raz 1997-3-25 9289 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain, flats and slopes just northeast of ranch compound. 976 Comment
  RSA674845  Achyrachaena mollis Scott D. White 2000-5-6 7783 Los Angeles Puente Hills: City of Rowland Heights, Rancho Rincon de la Brea' near Bill Blevins Park. 213 Comment
  SBBG132124  Achyrachaena mollis S. A. Junak 1996-4-12 SCi 288 Los Angeles E edge of terrace at head of more northern of 2 parallel cyns, E of Peak 1396 408 Comment
  CAS-BOT-BC213455  Acmispon argophyllus var. argophyllus Charles Piper Smith 1914-6-21 2867 Los Angeles Mt. Willson - Sierra Madre Trail Comment
  SBBG109011  Acmispon dendroideus var. traskiae S. A. Junak 1996-5-18 SCl 489 Los Angeles NE side of northwesternmost butte below Pyramid Light Stn, 0.23 mi N of Triangulation Stn "Pyramid Pt" 48 Comment
  LA33635  Acmispon glaber var. glaber Henry J. Thompson; 1959-10-23 1822 Los Angeles Santa Monica Mountains, Point Dume, on coastal bluff 30 Comment
  UCD104233  Acmispon maritimus Kenneth A. Wilson 1961-3-1 879 Los Angeles Santa Monica Mtns. Mulholland Hwy about 1 mile west of Las Virgenes Hwy. Comment
  LA99393  Acmispon maritimus var. maritimus Walt Westman; E. R. Hobbs 1979-3-30 sn Los Angeles Santa Monica Mountains, Leo Carrillo State Park, Site #1 45 Comment
  SEINET10407813 Image available Acmispon nevadensis var. davidsonii G. B. Grant 1906-6-16 Los Angeles Mt. Wilson 1524 Comment
  LA52446  Acmispon wrangelianus Louis Wheeler; 1932-4-30 673 Los Angeles Santa Monica Mountains, University of California, Los Angeles, Westwood. S of arroyo bridge 137 Comment
  LA211181  Acmispon wrangelianus Arthur C. Gibson; 2009-4-1 5388 Los Angeles SANTA MONICA MOUNTAINS, Behind fire station, Cornell Rd., Augora Hills. Comment
  RSA0031681  Adenostoma fasciculatum Jane Snyder 1966-5-10 8 Los Angeles San Raphael Hills. 213 Comment
  UC1922372  Adenostoma fasciculatum Valerie Soza, Miriam Sidibeh 2003-3-26 1603 Los Angeles Transverse Ranges; Verdugo Mountains region; North side of La Tuna Canyon, Haines Canyon Park vicinity, southwest of Dorothy and Estepa Dr. intersection. 549 Comment
  RSA654166  Adenostoma fasciculatum var. fasciculatum Marilyn Porter 1991-5-19 33 Los Angeles Upland at San Bernardino County line south from parking area at Shinn Road and Mount Baldy Road. Followed abandoned road beginning from road side to San Antonio Dam. 671 Comment
  UCR273295  Adenostoma fasciculatum var. fasciculatum R. G. Swinney 2011-10-25 15872 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
  UCR189936  Adenostoma sparsifolium T. B. Salvato, Sandra Murcia 2007-10-18 3091 Los Angeles Western Transverse Range; Santa Monica Mtns., near Stunt's Ranch, north of Cold Creek and east of Mulholland Hwy 335 Comment
  UC399478  Adiantum aleuticum I. Johnston 1917-7-1 1445 Los Angeles near Browns Flats 1371 Comment
Read comments
May 15 2007
  UCR206149  Adiantum capillus-veneris R. G. Swinney 2008-5-30 8906 Los Angeles San Gabriel Mtns., San Gabriel Canyon, 0.4 mi. above (east) of El Encanto park office, on shoulder of the old road 268 Comment
Read comments
Dec 3 2009
  UCR261528  Adiantum capillus-veneris Joseph Cahill 2010-12-22 1210- 09 Los Angeles Western Transverse Range; Santa Monica Mountains, Solstice Canyon, c. 1 mile from Pacific Coast Highway, near base of Solstice Canyon falls 73 Comment
  SEINET12603332 Image available Adiantum emarginatum Unknown 1929-4-13 Los Angeles Catalina Isle Comment
Read comments
Sep 10 2020
  LA3986  Adiantum jordanii W. Scott Lewis; 1904-4-24 402 Los Angeles SANTA MONICA MOUNTAINS, Nichols Canyon Comment
  LA94092  Adiantum jordanii Lawrence L. Kiefer; 1966-4-30 1953 Los Angeles SANTA MONICA MOUNTAINS, ca 1.5 mi SW of Lake Sherwood. 304 Comment
  UCR207542  Ageratina adenophora O. F. Clarke 2004-4-27 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco near Pasadena Comment
  UCR97791  Ageratina adenophora Scott D. White 1997-3-12 4735 Los Angeles Pacific Coast, Zuma Beach, mouth of Zuma Creek, E end of the County Beach. 8 Comment
  CAS-BOT-BC29346  Ageratina adenophora T. C. Fuller; T. Suzuki 1959-3-19 2094 Los Angeles E side of Pasadena Freeway, 0.5 mi S of Ave 52., Highland Park District, Los Angeles. Comment
  UCR18014  Agoseris heterophylla A. C. Sanders 1976-5-9 802 Los Angeles Mojave Desert, Hwy 138 at the W end of the Antelope Valley 976 Comment
  SD254527  Agoseris retrorsa R. G. Swinney 2011-6-7 15057 Los Angeles San Gabriel Mountains: Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy 2 junction at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek (Chilao Flat 7.5'Q) 1573 Comment
  UCR223779  Agoseris retrorsa R. G. Swinney 2009-6-17 11160 Los Angeles Transverse Range; San Gabriel Mtns., Ball Flat, 2.6 miles NW (312 deg. ) of Big Pines 1890 Comment
  CAS-BOT-BC13419  Agoseris retrorsa Tim Ross 1992-5-8 6298 Los Angeles San Gabriel Mtns.: Glendora Ridge Road; steep northerly slope overlooking Coldwater Canyon to the N 1246 Comment
  UCR228142  Agropyron trachycaulum R. F. Thorne, John Dourley 1967-10-10 37362 Los Angeles San Gabriel Mountains, Angeles National Forest, 1.5 mi east of Dawson Saddle 2332 Comment
  UC205253  Agrostis exarata I. M. Johnston 1917-7-28 1510 Los Angeles N. Fk San Antonio Canyon <?> San Antonio Mountains 2682 Comment
  CATA1850  Agrostis pallens Denise Kraus, Patricia Moore 2000-5-12 31 Los Angeles Santa Catalina Island: (Goat Harbor burn area) On second ridge trending northwestward after large, obvious rocky outcrop (that outcrop is at end of western fuel break road/ ridge) 259 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
  SEINET14058189  Agrostis tenuis D. H. Wilken 1965-6-24 287 Los Angeles Los Angeles State College campus. 243 Comment
  SEINET10719975  Allium Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2578 Los Angeles City of San Gabriel. Hawaii Supermarket, 120 E. Valley. Comment
  RSA330754  Allium burlewii Wayne E. Sawyer 1980-6-25 s.n. Los Angeles San Gabriel Mts., Angeles National Forest: 200 NE of Little Jimmy Campground 2256 Comment
  SD111592  Allium burlewii Wayne P. Armstrong 1982-6-27 Los Angeles Just below summit of Mt. Baden-Powell. Growing in loose talus. 2743 Comment
  RSA367165  Allium lacunosum var. davisiae L. C. Wheeler 1932-4-10 607 Los Angeles 2 miles W of Palmdale. Comment
  UCR181135  Allium peninsulare R. G. Swinney 1997-5-13 5522 Los Angeles San Gabriel Mtns, Water Canyon, a tributary from the north of San Gabriel River Canyon, north of Morris Dam 439 Comment
  SBBG57513  Allium peninsulare M. N. Ackley -May-1924 626 Los Angeles Fish Cyn 2000 Comment
  RSA0088152  Allophyllum divaricatum R. G. Swinney 2010-8-30 13611 Los Angeles East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream. 595 Comment
  RSA410056  Allophyllum divaricatum Albert J. Perkins 1920-2-16 s.n. Los Angeles Glendora, Little Dalton Trail Comment
  SD187453  Allophyllum divaricatum Valerie Soza, Laura Moore 2000-5-10 851 Los Angeles Verdugo Mountains, north side; Verdugo Crestline Dr., north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to power lines west of peak O' 1936. 563 Comment
  RSA29526  Allophyllum divaricatum Verne Grant, Alva Grant 1955-05 9400 Los Angeles [Seed parents in a natural population in Cow Canyon, San Gabriel Mts.] Comment
  CATA217  Allophyllum glutinosum Mark L. Hoefs 1973-4-27 202 Los Angeles Santa Catalina Island: Upper Avalon Canyon 121 Comment
  RSA410094  Allophyllum glutinosum Tom Burch 1940-3-17 s.n. Los Angeles Near Newhall 610 Comment
  SBBG27959  Allophyllum glutinosum V. and A. Grant 1949-4-28 8701 Los Angeles Winter Cyn N of Santa Monica Comment
  LA33456  Alnus rhombifolia Peter H. Raven; 1959-3-8 13836 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon, 1.1 mi N of Pacific Coast Hwy. 30 Comment
  LA34178  Alnus rhombifolia Peter H. Raven; Henry J. Thompson 1958-10-11 13747 Los Angeles Santa Monica Mountains, Las Tunas Canyon, near Coast Highway Comment
  UC56561  Amaranthus albus Ernest Braunton Oct 1902 722 Los Angeles Vernon Los Angeles Comment
  RSA725788  Amaranthus blitoides A. C. Sanders, Mark Elvin 2002-6-18 25112 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, farm area in valley along a wash, 1 mile SSW of Castaic Junction, west of Magic Mountain amusment park. 328 Comment
  UCR205939  Amaranthus blitum A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37066 Los Angeles San Gabriel Valley, Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery 63 Comment
  POM718  Amaranthus powellii I. M. Johnston 1918-9-21 s.n. Los Angeles Upland. Comment
  UC1215135  Amblyopappus pusillus Peter H. Raven 1962-4-9 17137 Los Angeles near barracks Wilson cove; San Clemente Island 60 Comment
  UCR152487  Amblyopappus pusillus A. C. Sanders, Lee Jones 2005-4-8 29361 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  CHSC26545  Ambrosia acanthicarpa James Henrickson 1971-10-14 7188 Los Angeles NE Claremont along Foothill Blvd. 457 Comment
  SBBG31330  Ambrosia chamissonis R. F. Thorne with P. C. Everett 1965-6-23 34950 Los Angeles behind N beach at Little Harbor Comment
  UCR240245  Ambrosia confertiflora Dan S. Cooper 2012-9-26 912- 59 Los Angeles Los Angeles Basin, Culver City, Baldwin Hills Scenic Overlook 129 Comment
  CATA563  Ambrosia psilostachya Mark L. Hoefs, Robert F. Thorne 1975-8-7 827 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon 60 Comment
  LA91098  Ambrosia psilostachya T. A. Geissman; October 1969 TAG 101068 APMC Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Comment
  RSA127976  Ambrosia psilostachya Peter H. Raven, Henry J. Thompson 1959-10-18 14674 Los Angeles Santa Monica Mountains north arm of Malibu Lake 220 Comment
  JEPS45150 Image available Amelanchier utahensis Frank W. Peirson 1919-6-14 471 Los Angeles along s side Head of Rock Creek; San Gabriel Mts. 2011 Comment
  RSA735837  Amorpha californica Scott D. White, Justin M. Wood 2008-5-6 11933 -B Los Angeles Puente / Chino Hills: Chino Hills, NW of Carbon Canyon Rd. and SE of Tonner Canyon, on SCE powerline corridor (SE corner of county). 213 Comment
  CAS-BOT-BC26869  Amsinckia evermannii Barton Warren Everman(n) 1918-3-25 s.n. Los Angeles San Clemente Isl. Comment
  RSA0069776  Amsinckia intermedia LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6994 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  RSA159340  Amsinckia intermedia P. H. Raven 1962-4-10 17181 Los Angeles San Clemente Island. Small arroyo above Wilson s Cove 61 Comment
  RSA499935  Amsinckia intermedia Anstruther Davidson 1890-4-6 1821 Los Angeles San Pedro. Comment
  SBBG63524  Amsinckia intermedia M. N. Ackley -Mar-1926 23 Los Angeles Eagle Rock 213 Comment
  RSA617396  Amsinckia menziesii Scott D. White 1998-6-4 6641 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, North Lake Planned Community 425 Comment
  LA31578  Amsinckia menziesii var. menziesii Peter H. Raven; Henry J. Thompson 1959-5-5 14144 Los Angeles Santa Monica Mountains, Mulholland Hwy, 1 mi W of Las Virgenes Rd (N1); Malibu Creek drainage 304 Comment
  UCR153973  Amsinckia retrorsa A. C. Sanders, T. B. Salvato 2005-4-26 29753 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita, south of Plum Canyon at end of Canyon Crest Dr., NW of mouth of Mint Canyon 488 Comment
  UC198375 Image available Amsinckia spectabilis Katharine Brandegee May 1916 Los Angeles Catalina Island Comment
  RSA0047908  Amsinckia tessellata R. G. Swinney 2010-5-12 12752 Los Angeles Soledad Canyon bottom, 2.2 miles west of Angeles Forest Hwy., 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m. to the east on the south side of West Carson Mesa Rd. 921 Comment
  UCR187113  Amsinckia tessellata var. gloriosa A. C. Sanders 2006-4-10 31978 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
  UC24593  Amsinckia tessellata var. tessellata S. B. and W. F. Parish 1882-6-7 Los Angeles borders of Mojave Desert (Rock Creek) Comment
  SBBG58480  Anagallis arvensis M. N. Ackley -Apr-1928 795 Los Angeles Eagle Rock 182 Comment
  CDA5473  Anagallis arvensis Phillipson 1915-6-8 Los Angeles Monrovia. Comment
  RSA465152  Anagallis arvensis Robert M. Perkins 1936-4-27 s.n. Los Angeles Muholland drive. Comment
  UCR259179  Andropogon glomeratus R. G. Swinney 2010-6-23 13370 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
  UCR101735  Andropogon glomeratus var. scabriglumis L. C. Wheeler 1946-9-2 6343 Los Angeles San Gabriel Mtns., West Fork San Gabriel River, 0.2 mi west of Bear Creek 518 Comment
  POM6827  Androsace elongata subsp. acuta L. T. Street, Williams, P. A. Munz 1919-4-5 2424 Los Angeles Puddingstone Canyon, San Dimas Comment
  SBBG90457  Anemopsis californica M. C. Hochberg 1985-4-7 1202 Los Angeles Little Springs Cyn 243 Comment
  RSA578888  Anemopsis californica T. S. Ross, Steve D. Boyd, Steve Burns 1994-7-6 8095 Los Angeles Cottonwood Swamp confluence of San Francisquito Canyon stream and two tributaries draining off the southeast slopes of Red Mountain 512 Comment
  UC1971399  Anemopsis californica Louis C. Wheeler 1946-8-27 6258 Los Angeles SAN GABRIEL MOUNTAINS: Sandrock Creek at Pear Blossom Highway, near confluence of Sandrock Creek and Big Rock Creek; 1/4 mile southeast of Big Rock Patrol Station. Comment
  UCR210342  Anoda cristata A. C. Sanders, Lorraine Weller, Alejandra Martinez B. 2009-9-16 37176 Los Angeles Los Angeles Basin Region, Los Angeles, Watts area, 658 East 111th Place between Stanford Ave. and Avalon Blvd. 34 Comment
  SBBG83173  Antirrhinum coulterianum R. Hoffmann 1929-5-19 Los Angeles 5 mi W of Castaic Comment
  UCR214845  Antirrhinum coulterianum Bao Doan 2010-5-29 19 Los Angeles Transverse Range; San Gabriel Mountains, San Gabriel Canyon above Azusa, north of canyon fork and east of Hwy 39 659 Comment
  UCR271833  Antirrhinum coulterianum R. G. Swinney 2010-3-24 12096 Los Angeles San Gabriel Mountains, Pacoima area, Lopez Canyon, 1.7 miles west of Kagel Canyon on Lopez Cyn. Rd., to 300 meters east of road on E-W running ridge 503 Comment
  UCR88516  Antirrhinum coulterianum Scott D. White, Chet McGaugh 1995-5-16 3075 Los Angeles Transverse Range; eastern Santa Susana Mtns, just west of San Gabriel mountains. 'Sunshine Canyon' (name not on topo), west of San Fernando Rd and Hwy I-5, just SW of interchange with Calif. Rte 14 Fwy 488 Comment
  RSA80431  Antirrhinum kelloggii F. W. Peirson 189 Los Angeles Laurel Canyon, Santa Monica Mts. Comment
  SFV15544  Antirrhinum kelloggii R. K. Stachelek 1992-4-14 11 Los Angeles San Gabriel Mountains Sylmar. Stetson Ranch Park, along fire road near top of hill. 520 Comment
  LA32225  Antirrhinum multiflorum Peter H. Raven; Henry J. Thompson 1959-9-27 14551 Los Angeles SANTA MONICA MOUNTAINS, Latigo Canyon Road, 1.0 mi E of Newton Canyon. 563 Comment
  RSA250648  Aphanes occidentalis Robert F. Thorne 1971-4-2 41417 Los Angeles Johnson's Pasture's, N. of Mountain Avenue, Claremont. 549 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
  RSA151228  Aphanisma blitoides P. H. Raven 1962-4-9 17178 Los Angeles San Clemente Island: on sides of small arroyo above Wilson Cove 61 Comment
  RSA65886  Aphanisma blitoides P. A. Munz 1923-4-10 3479 Los Angeles San Clemente Island, middle of island Comment
  UC284143  Aphanisma blitoides P. A. Munz 1923-4-11 6774 Los Angeles low shore on w coast San Clemente Island Comment
  RSA654589  Apium graveolens Scott Lowe 1991-5-12 26 Los Angeles San Gabriel River channel, about 800 m. north of San Gabriel River Parkway bridge, city of Pico Rivera. Comment
  RSA77432  Apium graveolens F. W. Peirson 1923-06 819 Los Angeles Kewen Lake Canyon, Pasadena Comment
  RSA239859  Apocynum androsaemifolium John Dourley 1968-9-13 s.n Los Angeles just east from base of Mt. Baden-Powell 2011 Comment
  RSA239860  Aquilegia formosa John Dourley, Nick Lolonis 1968-8-20 s.n. Los Angeles Along State Highway 2, below Dawson Saddle, San Gabriel Mountains. 2348 Comment
  RSA587993  Aquilegia formosa Orlando Mistretta, Tim S. Ross 1994-6-1 1302 Los Angeles San Gabriel Mountains: Santiago Canyon. 1610 Comment
  RSA0033869  Arabis John F. Emmel 1997-4-28 1458 Los Angeles Sierra Pelona; along USFS Road 6N07, 1.1 road miles ENE of junction with Road 6N08. 1371 Comment
  UCR272843  Arabis platysperma R. G. Swinney 2011-8-5 15615 Los Angeles San Gabriel Mountains, summit of Mount Hawkins, high point of Copter Ridge, 0.6 miles SSE of Hwy. 2/Angeles Crest Hwy 2698 Comment
  RSA588299  Arabis pulchra Orlando Mistretta 1994-4-15 1067 Los Angeles San Gabriel Mountains, Santiago Canyon: W slopes of drainage near confluence with Little Rock Creek. 1250 Comment
  UC565466  Arabis pulchra H. L. Mason 1926-4-26 2978 Los Angeles Summit of Mint Canyon San Gabriel Mountains Comment
  RSA590067  Arabis pulchra var. pulchra Orlando Mistretta 1994-3-30 987 Los Angeles Little Rock Creek, slopes E of creek below Little Rock Dam. 1158 Comment
  RSA0128664  Arabis repanda R. G. Swinney 1998-7-14 6440 Los Angeles Pine Mountain Ridge; 0.2-0.3 mi. west of Camp Lupine trail. Broad ridge top montane coniferous forest. 2247 Comment
  RSA0128609  Arabis repanda var. repanda Timothy S. Ross, S. D. Boyd 1990-6-18 3461 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  RSA0128658  Arabis repanda var. repanda R. F. Thorne, C. W. Tilforth, John Dourley, R. Scogin 1972-8-11 42228 Los Angeles San Gabriel Mtns, Angeles National Forest: N slope of Mt. Waterman near Buckhorn Station. 2134 Comment
  SEINET13276688 Image available Arabis sparsiflora R. G. Swinney 2011-1 15248 Los Angeles San Gabriel Mountains: Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy (Waterman Mt. 7.5' Q.) 1780 Comment
  UCR146468  Arabis sparsiflora var. californica Orlando Mistretta 1992-5-25 426 Los Angeles Transverse Ranges; San Gabriel Mountains, Fenner Canyon Conservation Camp, between camp boundary and water tower 1713 Comment
  RSA733664  Aralia californica R. G. Swinney 1998-7-24 6569 Los Angeles San Gabriel Mtns.: Upper Fish Fork of San Gabriel River. 1585 Comment
  UC586911  Aralia californica Joseph A. Ewan 1934-8-2 8466 Los Angeles foot of Baldy Trail vicinity of Bear Flats Ranger Station; San Gabriel Mts., San Antonio Canyon 1371 Comment
  UCR189705  Arceuthobium californicum R. G. Swinney 1998-7-24 6575 Los Angeles San Gabriel Mtns., west-facing slope of Pine Mountain, c. 1/2 mile south of Fish Fork Trail crossing of Pine Mtn. Ridge 2043 Comment
  RSA188534  Arceuthobium campylopodum Robert F. Thorne, J. Olmstead 1965-8-26 35392 Los Angeles San Gabriel Mountains: Angeles National Forest, Camp Lupine near Prairie Fork 2012 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
  CAS-BOT-BC23619  Arctostaphylos crustacea Peter H. Raven; Henry J. Thompson 1959-2-25 13808 Los Angeles Santa Monica Mountains, Saddle Peak, 1.2 miles east of summit. 670 Comment
  UCR141032  Arctostaphylos glandulosa June Latting, Ted Hanes, et al 1977-10-15 s.n. Los Angeles San Gabriel Mountains, fuelbreak below Chilao Flat, Angeles Crest 1659 Comment
  JEPS38673  Arctostaphylos glandulosa subsp. glandulosa F. W. Peirson 1918-5-19 142 Los Angeles 2 mi n Altadena; San Gabriel Mts., Echo Mountain 1036 Comment
  RSA626701  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley, Melanie Baer Keeley 1992-10-15 22114 Los Angeles Glendora Ridge Rd., 7 km southwest of Baldy Rd., San Gabriel Mtns. 1410 Comment
  RSA182015  Arctostaphylos glandulosa subsp. mollis F. W. Peirson 1918-5-19 142 Los Angeles Echo Mountain;, 2 mi. n of Altadena 1037 Comment
  RSA626814  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Allen Massihi 1992-8-20 20183 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  SBBG119301  Arctostaphylos glandulosa subsp. mollis V. Soza, K. Hughes 1999-6-17 553 Los Angeles upper Winter Crk Trail above San Olene Cyn; T1N R11W SW/4 S3 746 Comment
  UC1120293  Arctostaphylos glandulosa subsp. mollis A. D. Gifford 1935-3-15 461 Los Angeles 1 mi nnw Warm Springs; Tejon Quadrangle Comment
  CAS-BOT-BC39337  Arctostaphylos glauca LeRoy Abrams 1901-4-13 1501 Los Angeles Wilson's Trail 609 Comment
  RSA631441  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20410 Los Angeles Road to Pacifico Mountain, 10.4 km east of Mill Creek Summit. 1760 Comment
  RSA631504  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15845 Los Angeles San Gabriel Canyon, Highway 39, 11-12 km north of ORV area. 1100 Comment
  RSA631575  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15967 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA631640  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-6-18 15639 Los Angeles Aliso Canyon Road, 4 km northwest of Angeles Forest Highway. 1050 Comment
  RSA631702  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15844 Los Angeles San Gabriel Canyon, Highway 39, 11-12 km north of ORV area. 1100 Comment
  RSA634365  Arctostaphylos parryana subsp. parryana Jon E. Keeley, Allen Massihi 1992-8-21 20616 Los Angeles Angeles Crest Highway, 1.7 km north of Sulphur Springs Road, San Gabriel Mountains. 1890 Comment
  RSA634741  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20599 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.7 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1680 Comment
  RSA634779  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20337 Los Angeles Road to Mt. Gleason, 5.3 km west of Mill Creek Summit, San Gabriel Mtns. 1670 Comment
  RSA634807  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20453 Los Angeles Pinyon Flats, N of Sulphur Springs Cpgrd, N of Angeles Crest Hwy, San Gabriel Mtns. 1610 Comment
  RSA635244  Arctostaphylos patula Jon E. Keeley 1980-8-16 7547 Los Angeles Angeles Crest Hwy west of mt. Waterman 716 Comment
  RSA96408  Arctostaphylos patula E. K. Balls 1954-8-4 19784 Los Angeles trail to ski lift, Baldy summit 2500 Comment
  RSA226820A  Arenaria macradenia var. arcuifolia R. F. Thorne, C. W. Tilforth 1971-6-29 40688 Los Angeles Aliso Creek, 1.5 mi. E. of confluence. 854 Comment
  UCR271574  Argemone munita R. G. Swinney 2011-5-19 14790 B 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
  RSA105989  Argemone munita subsp. munita Gerald B. Ownbey, Findley Ownbey 1954-5-29 2121 Los Angeles San Fracisquito Canyon, 8.8 miles north of Saugus. Comment
  RSA522966  Artemisia californica Timothy S. Ross 1991-2-23 4093 Los Angeles Whittier Hills (Puente Hills): Upper Turnbull Canyon on slope dropping WNW from Turnbull Canyon Road x Skyline Drive. 292 Comment
  SBBG95457  Artemisia californica M. B. Dunkle 1928-10-14 2015 Los Angeles Renton Mine Comment
  SD85056  Artemisia californica E. R. Blakley 1962-1-7 4836 Los Angeles Santa Catalina Island, ocean bluff Comment
  UC1595418  Artemisia californica Tim Ross and Annette H. Ross 1991-7-29 5724 Los Angeles w of Pomona (nw side of Elephant Hill); Puente Hills, Elephant Hill 243 Comment
  UC472243  Artemisia californica R. L. Pendleton 1909-7-2 1374 Los Angeles road e of Avalon; Santa Catalina Island Comment
  UC624988  Artemisia californica F. R. Fosberg 1931-12-10 7156 Los Angeles <left fork> Pebble Beach Canyon; Santa Catalina Island, Pebble Beach Canyon 20 Comment
  UCR259620  Artemisia californica R. G. Swinney 2010-5-25 12954 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
  UC1119568  Artemisia douglasiana P. L. Johannsen 1934-2-17 291 Los Angeles Pico Canyon Santa Susana Quadrangle Comment
  RSA191633  Artemisia dracunculus R. F. Thorne, M. Z. Thorne 1966-8-29 36592 Los Angeles San Gabriel Mts; Angeles National Forest: sunny, small, dry depression south of Crystal Lake 1722 Comment
  JEPS36926  Artemisia ludoviciana subsp. incompta F. W. Peirson 1922-7-7 3197 Los Angeles Rangers Cabin San Gabriel Mts., Swartout Valley 1798 Comment
  UC557794  Artemisia nesiotica Nell Murbarger 1936-4-1 127 Los Angeles extreme southern part San Clemente Island Comment
  UC1746112  Artemisia nova Annetta M. Carter, Arthur Carter 1935-9-13 989 Los Angeles Open, rolling hills NW of Horse Flats. San Gabriel Mtns. 2042 Comment
  UC1119474  Artemisia tridentata subsp. tridentata H. A. Jensen 1933-6-1 324 Los Angeles head of Rock Creek; Angeles National Forest, Rock Creek Quadrangle Comment
  UCR145193  Artemisia tridentata subsp. tridentata June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek Fire Station, Fenner Canyon 1616 Comment
  SD82923  Asclepias californica R. F. Thorne, M. Z. Thorne 1969-7-10 38376 Los Angeles San Gabriel Mountains; Angeles National Forest, north of Jackson Lake. 1860 Comment
  SEINET210834  Asclepias californica R. F. Thorne, M. Z. Thorne 1969-7-10 38376 Los Angeles San Gabriel Mts., Angeles National Forest, slope N of Jackson Lake. 1859 Comment
  UCR187218  Asclepias californica A. C. Sanders 2006-5-16 32340 Los Angeles Tehachapi Mtns. Foothills, along the road to the National Cement Plant, c. 1/4 mile north of Hwy 138, south the California Aqueduct 1012 Comment
  UC1971457  Asclepias californica Louis C. Wheeler 1946-8-24 6244 Los Angeles SAN GABRIEL MOUNTAINS: Wawona Lodge (site) adjacent to Crystal Lake. Comment
  SBBG50866  Asclepias fascicularis R. S. Woglum 1937-7-17 838 Los Angeles Soldier Crk, San Gabriel River Cyn Comment
  SEINET10637045  Asclepias fascicularis A. R. Davis 1915-6-30 Davis s.n. 1915 Los Angeles Claremont, Palmer's Canyon Comment
  RSA0104714  Asclepias vestita subsp. vestita Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -85 Los Angeles Bob's Gap. At the south edge of Bob's Gap. 1444 Comment
  LA200067  Aspidotis californica Lawrence L. Kiefer; 1966-4-17 1889 Los Angeles 304 Comment
  UCR208182  Aspidotis californica I. W. Clokey, B. C. Templeton 1929-1 4435 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  UCR202531  Aster greatae R. G. Swinney 2001-8-10 8026 Los Angeles San Gabriel Mtns., Glendora, west fork of Little Dalton Canyon [in debris basin], near Glendora Mtn. Road 351 Comment
Read comments
May 4 2011
  RSA417650  Aster subulatus var. ligulatus L. C. Wheeler 1933-9-28 2140 Los Angeles Puddingstone Diversion Channel, La Verne. 305 Comment
  RSA733156  Astragalus bicristatus R. G. Swinney 1997-6-13 5590 Los Angeles San Gabriel Mtns: ridge NE of Table Mountain (pk. 7473), ca. 0.4 mi. W of San Bernardino Co. line. 2195 Comment
  CAS-BOT-BC177827  Astragalus curtipes Marcus E. Jones 1903-5-15 s.n. Los Angeles Catalina Island 30 Comment
  CAS-BOT-BC182304  Astragalus didymocarpus var. didymocarpus Geo. B. Grant 1903-3-1 78 Los Angeles Garvanza Comment
  RSA177707  Astragalus didymocarpus var. didymocarpus R. F. Thorne, Percy C. Everett 1965-5-12 34601 Los Angeles Santa Catalina Island. Upper end of Bulrush Canyon. 305 Comment
  SBBG68198  Astragalus douglasii R. Hoffmann 1925-4-19 Los Angeles Elizabeth Lake Comment
  UCR277396  Astragalus douglasii R. G. Swinney 2010-6-1 13165 Los Angeles San Gabriel Mountains, Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  UCR19442  Astragalus douglasii var. parishii O. H. Kappler 1946-5-30 1194 Los Angeles San Gabriel Mtns., [near] Wrightwood. Los Angeles County Park 2012 Comment
  RSA415512  Astragalus gambelianus F. R. Fosberg 1931-5-4 707 Los Angeles Bulrush Canyon, Santa Catalina Island. 200 Comment
  SBBG68293  Astragalus gambelianus M. N. Ackley 1926-5-8 559 Los Angeles Little Rock 914 Comment
  RSA515115  Astragalus nevinii Aaron Liston, Orlando Mistretta, Loren Rieseberg 1989-4-28 796 -3 Los Angeles San Clemente Island: Horse Beach Canyon, S end of island 18 Comment
  UC1128876  Astragalus trichopodus P. L. Johannsen 1934-1-30 259 Los Angeles 3 mi s Girard; Calabasas Quadrangle, s of Girard; TRS coordinates followed by SBM Comment
  CLARK-A1528-2763  Astragalus trichopodus subsp. antisellii John C. Roos 1937-7-29 1245 Los Angeles Santa Monica Mountains Comment
  POM25659  Astragalus trichopodus var. lonchus I. M. Johnston 1917-4-11 965 Los Angeles N*r Slough. [locality name change to Laguna Dominguez] 24 Comment
  SBBG128232  Astragalus trichopodus var. lonchus M. L. Hoefs, S. A. Junak, K. Kirkland 1999-5-8 3026 Los Angeles lower Fern Cyn 195 Comment
  CAS-BOT-BC199096  Astragalus trichopodus var. phoxus Alice Eastwood; John Thomas Howell 1937-4-26 3940 Los Angeles Near Sangus. Comment
  UCR117550  Astragalus trichopodus var. phoxus A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23279 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 915 Comment
  CAS-BOT-BC200830  Astragalus trichopodus var. trichopodus Marcus E. Jones 1924-4-25 s.n. Los Angeles Brea Canyon Comment
  RSA737471  Atriplex amnicola R. E. Riefner 2006-7-8 6 -289 Los Angeles City of Malibu, Malibu Lagoon at Pacific Coast Hwy. 10 Comment
  RSA411857  Atriplex argentea F. R. Fosberg 1931-7-15 S- 5422 Los Angeles Isthmus, Santa Catalina Island. 1 Comment
  POM246578  Atriplex californica F. R. Fosberg 1931-4-29 S- 4710 Los Angeles Mouth [of] Cottonwood Canyon, Santa Catalina Island. 5 Comment
  UC1349365  Atriplex californica Robert F. Thorne 1966-4-5 35858 Los Angeles along Cottonwood Creek below dam in Cottonwood Canyon (Santa Catalina Island); , Cottonwood Creek, Cottonwood Canyon 106 Comment
  SD53035  Atriplex coulteri Peter H. Raven 1962-5-8 17589 Los Angeles San Clemente Island; Slopes above Seal Cove. 39 Comment
  POM246581  Atriplex leucophylla F. R. Fosberg 1931-5-4 S- 4759 Los Angeles Mouth of Middle Ranch Canyon, Santa Catalina Island. Comment
  POM121926  Atriplex leucophylla H. E. Hasse 1889-07 s.n. Los Angeles Santa Monica Range. Comment
  RSA478341  Atriplex pacifica F. R. Fosberg 1931-8-23 7290 Los Angeles San Pedro Hills Comment
  SD252313  Atriplex pacifica Steven A. Junak 1999-4-23 Sca 855 Los Angeles Santa Catalina Island: S side of island, saddle on ridgetop, below Triangulation Point granite 341 Comment
  RSA188922  Atriplex prostrata R. F. Thorne, P. Everett 1965-6-24 s.n. Los Angeles Santa Catalina Island. Shark Harbor, W side of Island. 8 Comment
  UCR47302  Atriplex rosea D. L. Koutnik 1978-9-3 s.n. Los Angeles NW of the jct of Saticoy and Winnetka in the San Fernando Valley 244 Comment
  RSA478379  Atriplex rosea Robert L. Dressler 1948-7-28 67 Los Angeles Baldwin Hills, rolling hills with grass cover. Comment
  RSA442167  Atriplex semibaccata F. H. Elmore 419 Los Angeles San Clemente Island. Comment
  SBBG128367  Atriplex semibaccata M. L. Hoefs 1991-5-22 1287 Los Angeles near rd to Two Harbors in cyn SE of Little Harbor 54 Comment
  SBBG13487  Atriplex semibaccata P. H. Raven 1962-7-12 18020 Los Angeles near point at E end of Northwest Harbor 30 Comment
  UCR51507  Atriplex semibaccata A. C. Sanders 1987-12-4 7440 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr. 31 Comment
  RSA478427  Atriplex serenana E. S. Spalding 1923-6-28 s.n. Los Angeles Pt. Fermin. Comment
  UC205293  Atriplex serenana var. davidsonii Ernest Braunton Sept 1902 680 Los Angeles Los Angeles Comment
  UCR149855  Atriplex serenana var. serenana Scott D. White, Pam Devries 2004-6-14 10497 A Los Angeles Western Transverse Ranges, Eastern Santa Susana Mountains. West of the I-5 Freeway, c. 4 mi N of I-5 / SH-14 jtn and 6 mi south of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 518 Comment
  RSA155870  Atriplex watsonii P. H. Raven 1962-7-10 17949 Los Angeles Near west shore of island, due west of Wall 2, San Clemente Island Comment
  RSA0058228  Avena barbata Richard G. Swinney 2010-4-23 12349 Los Angeles San Gabriel Mountains: lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA385384  Avena barbata H. L. Bauer 1928-10-12 s.n. Los Angeles Long Beach. Comment
  UCD56201  Avena barbata Gordon Pilone 1961-2-14 86 Los Angeles Wash area of Pomona College in Claremont. 365 Comment
  RSA0042642  Avena barbata Greg Gillespie 1983-5-19 20 -83 Los Angeles Collected in burn area behind administration building at the Cal Poly Pomona campus. Comment
  SEINET7047907  Avena barbata Steven R. Hill, Kate Kramer 2001-4-22 33356 Los Angeles North side of San Gabriel Mountains, south side of Antelope Valley, Johnson Road, 6.2 miles north-northeast of junction with Elizabeth Lake Road, 3 miles south of junction of Avenue I and 110th Street West. Elevation about 3080 feet. Comment
  RSA250659  Avena fatua R. F. Thorne 1971-4-2 41421 Los Angeles Johnson's Pasture's, N. of Mountain Avenue, Claremont 549 Comment
  RSA385396  Avena fatua Heil 1931-7-16 s.n. Los Angeles Los Angeles. Comment
  RSA694977  Azolla filiculoides Anonymous s.n. Los Angeles Pasadena, Calif. Comment
  SD107924  Azolla filiculoides Larry DeBuhr 1977-4-16 2571 Los Angeles Santa Catalina Island, bottom end of Cottonwood Canyon, in stream Comment
  IRVC28704  Baccharis douglasii A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25486 Los Angeles Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley NE end of Santa Susana Mtns. 300 Comment
  UC729475  Baccharis glutinosa Carl B. Wolf 1932-9-16 4090 Los Angeles Bryant Ranch, 100-150 ftw of state highway, at extreme se corner of Pacific Western Oil Co lease 1 Comment
  POM350394  Baccharis pilularis M. B. Dunkle 1928-10-17 2021 Los Angeles Howland's Landing, Santa Catalina Island. Comment
  UCR217691  Baccharis pilularis A. C. Sanders, Dan S. Cooper 2010-8-5 38560 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  UC440470  Baccharis salicifolia subsp. salicifolia Carl Epling and Lincoln Ellison 1929-4-27 Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  UC893724  Baccharis salicifolia subsp. salicifolia I. W. Clokey and E. G. Anderson 1931-3-11 5324 Los Angeles San Gabriel Canyon 900 Comment
  LA212453  Baccharis salicina L. E. Hoffman; 1963-7-7 s.n. Los Angeles Santa Monica Mountains National Recreation Area, Malibu Lagoon. Comment
  SEINET11861852  Baileya pauciradiata J. F. Bright, Wyman, C. 1931-4-12 5301 Los Angeles Antelope Valley Comment
  JEPS52980  Berberis aquifolium var. dictyota Frank W. Peirson 1919-5-6 54 Los Angeles Eaton Canyon; San Gabriel Mts 609 Comment
  RSA3831  Berberis nevinii C. B. Wolf 1927-7-27 682 Los Angeles 0.5 miles south of San Fernando Comment
  UCR159958  Berberis nevinii Valerie Soza, Steve Boyd, G. D. Wallace 2000-3-28 651 Los Angeles Transverse Ranges; San Gabriel Mountains region, San Gabriel Mtns, S side: Cobal Canyon, Claremont Hills Wilderness Park, west of fire road up Cobal Canyon, above junct of Burbank and Cobal canyons 518 Comment
  POM156195  Beta vulgaris L. R. Abrams 1902-6-12 2533 Los Angeles Ballona Creek, near Mesmer. Comment
  SD52883  Beta vulgaris subsp. maritima Peter H. Raven 1962-5-7 17581 Los Angeles San Clemente Island; just above coast 1.0 mile south of Wilson Cove. 6 Comment
  JEPS21653  Bidens pilosa J. H. Thomas 1957-11-13 6971 Los Angeles near Colorado St. and Lake Ave. (Pasadena); Pasadena Comment
  RSA657465  Bloomeria crocea S. Campbell 1980-6-4 37 Los Angeles Verdugo Mountains: Eastern slope of Verdugo Mountains on hill between Wabasso Way and Opechee Way. 267 Comment
  UCR169484  Bloomeria crocea Kathleen Stockwell 2005-5-4 121 Los Angeles San Gabriel Mtns Foothills, North Claremont, Palmer Canyon N of Palmer Canyon Road at Via Padova, just N of Padua Hills Theater 610 Comment
  RSA367318  Bloomeria crocea var. crocea Anstruther Davidson s.n. Los Angeles Los Angeles Comment
  CAS-BOT-BC482132  Bloomeria crocea var. montana Timothy S. Ross; Steve Boyd 1994-6-23 8061 Los Angeles Sawmill Mountain: N slope ca 330 m to 525 m ENE of Sawmill Campground, descending NE along a ridge at the head of west fork Devils Gulch 1493 Comment
  RSA679923  Boechera arcuata LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 932 Los Angeles Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1). 1631 Comment
  RSA715425  Boschniakia strobilacea R. G. Swinney 1997-8-19 5830 Los Angeles San Antonio Peak (=Lookout Mountain), about 100 m N of summit on ridge saddle. 1994 Comment
  UCR51492  Bougainvillea glabra A. C. Sanders 1987-12-4 7580 Los Angeles Pacific slope, El Segundo Dunes, west of Los Angeles International Airport and Pershing Dr 38 Comment
  SBBG19216  Bowlesia incana M. A. Piehl 1963-12-8 631084 Los Angeles Cave Cyn, 0.25 mi from mouth 30 Comment
  SBBG98415  Bowlesia incana T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5279 Los Angeles W fork of Near-Death Cyn, draining to Mosquito Cove (drainage beginning 800 ft N of Rest; 1800 ft SE of Malo Knoll 304 Comment
  RSA0083161  Boykinia rotundifolia R. G. Swinney 2010-8-9 13472 Los Angeles Big Santa Anita Canyon, Camp Sturtevant. 1049 Comment
  RSA647805  Boykinia rotundifolia LeRoy Gross, Laura Moore 2000-6-5 229 Los Angeles Verdugo Mountains: Short distance south from La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 427 Comment
  PASA388  Brassica nigra Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  RSA482932  Brassica rapa Freda Detmers 1930-1-18 s.n. Los Angeles In vacant lot, Verdugo near Glendale. Comment
  SEINET10626302  Brassica rapa Heidi H. Schmidt 1999-10-14 Schmidt 3814 Los Angeles City of San Gabriel. Hawaii Supermarket: 120 East Valley Boulevard: San Gabriel, CA: 91776: (626) 307-0062 - phone. 110 Comment
  SEINET10626312 Image available Brassica rapa Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2576 Los Angeles City of San Gabriel. Hawaii Supermarket, 120 E. Valley. Comment
  LA203091  Brickellia californica Joseph Andorfer Ewan; 1930-10-22 3433 Los Angeles Bouquet Canyon, 5 mi. above of mouth Comment
  POM351106  Brickellia californica F. R. Fosberg 1931-7-11 7205 Los Angeles Near Reservoir Summit, Ridge Route, western Sierra Madre Mountains. 1200 Comment
  RSA226209  Brickellia californica Gary D. Cromwell, David W. Wheat 1971-5-14 651 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mts. 2 mi. NE of Glendora. At canyon mouth, 20 m from road 366 Comment
  RSA573716  Brickellia californica Timothy S. Ross 1990-8-17 3129 Los Angeles S side of Blue Ridge, 0.6 mi. E of Vincent Gap along the Angeles Crest Highway (Hwy 2) 2060 Comment
  JEPS18780  Brickellia nevinii Frank W. Peirson 1918-9-7 228 Los Angeles lowest part of Toll Road (to Mt. Wilson) (San Gabriel Mountains); , Toll Road (to Mt. Wilson) 411 Comment
  RSA660109  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
  UCD129641  Brickellia nevinii P. Schiffman; J. Matos 1996-10-22 s.n. Los Angeles Angeles National Forest, roadcut along the old Ridge Route between Castaic Lake and Hwy 138. Comment
  UCR201828  Brickellia nevinii Scott D. White, Justin M. Wood 2008-10-7 12556 Los Angeles San Gabriel Mountains, west fork of the San Gabriel River, between Bear Creek and Rincon Red Box Road 220 Comment
  RSA93370  Brickellia nevinii F. W. Peirson 1918-9-15 4731 Los Angeles lower part of trail up Lukens Peak 640 Comment
  RSA678124  Brodiaea filifolia Valerie L. Soza, LeRoy Gross 2001-5-22 1242 Los Angeles Morgan Fire 2000 area, between Morgan and Wildwood Canyons, just below Ferguson Motorway (less than 100 feet below). 473 Comment
  RSA653129  Bromus berteroanus A. C. Sanders, D. Malueg, K. D. Jones 1998-6-22 21990 Los Angeles San Gabriel Mountains: Soledad Pass area at N foot of mtns, ca. 5 miles SW of Palmdale, along SCE Mesa-Vincent power line at pole 18-03, just S of Vincent Substation., (34 deg 28'58''N, 118 deg 07'24''W) 1000 Comment
  SBBG32115  Bromus carinatus R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -273 Los Angeles S side of White's Landing Comment
  SD186028  Bromus carinatus A. C. Sanders, Mark A. Elvin 2003-4-16 26044 Los Angeles Newhall Ranch, near confluence of Castaic Creek and Hasley Canyon 305 Comment
  UCR125627  Bromus carinatus A. C. Sanders 2003-5-26 26848 Los Angeles San Gabriel Valley, 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 171 Comment
  SEINET943624  Bromus carinatus var. carinatus Tim Ross, Walter Appleby 1993-1 7183 Los Angeles Western San Gabriel Mountains: vicinity of Wilson Canyon Saddle; San Fernando 7.5 (QUAD); Rancho Santa Ana Botanic Garden 950 Comment
  UCD59094  Bromus carinatus var. marginatus G. L. Stebbins Jr. 1941-6-19 3143 Los Angeles On road from Big Pines resort to Smithsonian Observatory. 1981 Comment
  RSA544544  Bromus catharticus Timothy S. Ross, E. Kellogg 1992-4-11 6122 Los Angeles San Clemente Island: vicinity of Wilson Cove settlement. 110 Comment
  CATA62  Bromus diandrus USC Wrigley Interns: Sabrina Lawrence-Gomez, Daniel Kasang, Alexandria Cheung, Miller Zou, Sarah Ratay 2011-7-8 38 Los Angeles Santa Catalina Island: Deer Valley Trail 92 Comment
  CATA638  Bromus diandrus Mark L. Hoefs 1991-4-16 1103 Los Angeles Santa Catalina Island: Renton Mine Road 249 Comment
  LA103551  Bromus diandrus Barry A. Prigge; 1986-3-29 sn Los Angeles San Gabriel Mountains, S of Canyon Country at Golden Valley X Antelope Valley freeway (State Highway 14) 457 Comment
  RSA599124  Bromus diandrus V. W. Steinmann 1996-3-30 822 Los Angeles Pomona, Elephant Hill. 300 Comment
  RSA748745  Bromus diandrus R. G. Swinney 2008-3-31 8590 Los Angeles Glendora Mountain summit 1003 Comment
  SD31217  Bromus diandrus Edith A. Purer 1931-4-28 1766 Los Angeles Palos Verdes Hills; near roadside Comment
Read comments
Jul 11 2010
  IRVC26186  Bromus grandis A. C. Sanders, Mark A. Elvin 2003-6-18 26960 Los Angeles private dirt road along crest of range, above Salt Canyon Santa Susana Mountains, Western Transverse Range 976 Comment
  UCR208023  Bromus hordeaceus F. R. Fosberg 1931-4-4 S- 4493 Los Angeles Channel Islands, Santa Catalina Island, Cherry Canyon 60 Comment
  CATA713  Bromus madritensis subsp. rubens Mark L. Hoefs 1991-5-3 1213 Los Angeles Santa Catalina Island: Above road on north-west side of Descanso Canyon, near entry to Hamilton Cove 79 Comment
  RSA640383  Bromus rubens L. C. Wheeler 1967-5-23 9700 Los Angeles Near mouth of Bear Canyon, off Soledad Canyon. 579 Comment
  RSA750092  Bromus tectorum R. G. Swinney 2008-4-30 8705 Los Angeles San Dimas Experimental Forest, Monroe Canyon 549 Comment
  UCR184222  Bromus tectorum A. C. Sanders 2007-4-19 33442 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  RSA0019999  Bromus tectorum Harold Mosher 1948-4-4 s.n. Los Angeles Along the road north of Palmdale. Four miles north of Palmdale. 609 Comment
  RSA127932  Buddleja saligna P. H. Raven, Henry J. Thompson 1958-10-11 137961 Los Angeles Saddle Peak, 0.3 miles south of junction of roads at summit., Lat N 34 , 05 ; Long. 118 39 W. 732 Comment
  UCR200035  Calandrinia breweri Valerie Soza, B. Hogshead 2003-4-23 1641 Los Angeles Transverse Ranges; Verdugo Mountains, Brand Park, ridgetop between Brand Canyon and Childs Canyon 595 Comment
  POM9081  Callitriche marginata P. A. Munz 1920-3-13 3326 Los Angeles San Jose Hills 305 Comment
  LA6450  Calocedrus decurrens Sponsler; February 1925 6314 Los Angeles San Gabriel Mountains, Baldy 1219 Comment
Read comments
Jan 20 2015
  UCR242852  Calocedrus decurrens R. G. Swinney 2009-8-8 11507 Los Angeles Transverse Range; San Gabriel Mtns., 0.2-1 mi. north of summit of Pacifico Mtn., SE fork of Santiago Canyon 2055 Comment
  RSA313031  Calochortus albus Robert F. Thorne s.n. Los Angeles North of Claremont in Foothills of San Gabriel Mountains. Collected by Robert Frampton Comment
  CAS-BOT-BC492126  Calochortus albus Robert F. Thorne; A. C. Gibson 1971-5-22 39764 Los Angeles Fish Canyon; San Gabriel Mts., Angeles National Forest 396 Comment
  CAS-BOT-BC132264  Calochortus catalinae Ernest Braunton 1902-5-5 268 Los Angeles Glendora Comment
  LA200920  Calochortus catalinae Jonathan Sauer; T Thorsted 1974-4-13 5567 Los Angeles SANTA MONICA MOUNTAINS, Tuna Canyon - Topanga Canyon, ridge between Tuna Canyon and Topanga Canyon. Comment
  UC843638  Calochortus catalinae F. R. Fosberg 1931-4-2 S 4456 Los Angeles divide between Hamilton Canyon Descanso Canyon; Santa Catalina Island 200 Comment
  UCR126578  Calochortus clavatus A. C. Sanders 2003-4-17 26065 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1 km south of Magic Mountain amusement park and north of the powerlines 442 Comment
  UCSB45464  Calochortus clavatus Batson, J. 1979-5-25 Los Angeles 8 miles southwest of the junction of Highway 101 and Westlake Boulevard on Highway 23 426 Comment
  RSA230726  Calochortus invenustus Robert F. Thorne, Mae Z. Thorne 1969-7-9 38570 Los Angeles San Gabriel Mountains, Angeles National Forest: meadow at Big Pines 2088 Comment
  RSA68338  Calochortus invenustus Verne Grant, Alva Grant 1951-7-13 16079 Los Angeles East of San Antonio Peak, San Gabriel Mountains. 2895 Comment
  JEPS17843  Calochortus splendens C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-5-13 4627 Los Angeles Bouquet Canyon 450 Comment
  SD125881  Calochortus splendens Lyman Benson 1945-5-11 12083 Los Angeles Midway between Pomona and Brea, in the Puente Hills. Pacific Slope Drainage. 274 Comment
  UCR232363  Calochortus striatus Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-18 7990 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, c. 60 m west of Sierra Hwy and 20 m south of Avenue A 704 Comment
  UCR271974  Calyptridium monandrum R. G. Swinney 2011-5-31 14892 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  SBBG58112  Calystegia R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  HSC24369  Calystegia macrostegia subsp. intermedia Donna Barnes 1970-4-18 26 Los Angeles 2 mi. SSW of Topanga at Jct. of Fernwood Pacific & Tuna Cyn. Rd. in Santa Monica Mtns. 122 Comment
  RSA653471  Calystegia macrostegia subsp. intermedia Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 748 Los Angeles Verdugo Mountains, south side: Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mtwy. 426 Comment
  RSA563855  Calystegia macrostegia subsp. macrostegia Scott D. White 1992-10-8 900 Los Angeles Malibu, base of Santa Monica Mountains, just N of Pacific Coast Highway, 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
  RSA603168  Calystegia occidentalis subsp. fulcrata L. C. Wheeler, C. W. Tilforth 1936-6-24 4181 Los Angeles San Dimas Canyon 671 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
  OBI70977  Calystegia peirsonii Steve Boyd 1997-4-30 9605 Los Angeles Liebre Mtns Region: About the confluence fo Bear Cyn and Pine Cyn, between the southern flank of Liebre Mtn and northern flank of Red rock mtn, SW of Gillette Mine 914 Comment
  RSA596025  Calystegia peirsonii T. S. Ross, J. Mark Porter 1995-5-4 8447 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  SBBG122094  Calystegia peirsonii A. Parikh, N. Gale 2000-5-5 723 Los Angeles Bee Cyn just N of Soledad Cyn Rd, 0.3 km NE of confluence of Bee Cyn and Santa Clara River; SE Liebre Mtns 555 Comment
  SEINET8495306  Calystegia peirsonii D. W. Taylor 2002-5-1 18028 Los Angeles Sierra Pelona, hillslopes flanking Anaverde Valley (4 air miles SW of Palmdale), under electrical transmission lines. Ritter Ridge 7.5' USGS quadrangle 1067 Comment
  IRVC26465  Camissonia bistorta A. C. Sanders, Mark Elvin, et al. 2003-3-4 25699 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
  LA46866  Camissonia boothii subsp. decorticans A. M. Johnson; 1928-2-16 2800 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  RSA465977  Camissonia boothii subsp. decorticans R. S. Woglum 1930-4-13 s.n. Los Angeles North Hollywood Comment
  CAS-BOT-BC173253  Camissonia californica A. C. Sanders; Helen Kennedy 2005-4-13 29414 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA615522  Camissonia californica Louis C. Wheeler 1967-5-18 9615 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  RSA466161  Camissonia californica Geo. L. Moxley 1917-4-3 s.n. Los Angeles Hills near Chatsworth. Comment
  UCR96330  Camissonia campestris B. G. Pitzer 1996-4-20 2686 Los Angeles Western Mojave Desert, Antelope Valley, north side of Hwy 138 (Ave. 'D'), c. 2 mi. west of Neenach (c. 30 mi. west of Hwy 14) 915 Comment
  RSA271452  Camissonia campestris subsp. campestris C. W. Tilforth, John Dourley, Walter Wisura 1978-4-17 1536 Los Angeles Antelope Valley, 3.5 miles E of Pearblossom along Highway 168 and 3.5 air miles N of Bob's Gap Comment
  RSA316353  Camissonia campestris subsp. campestris Robert F. Thorne, Walter Wisura, Susanne Granger, Pamela Burton 1982-4-20 54965 Los Angeles 2.5 miles S of Llano 1159 Comment
  UCR26171  Camissonia cheiranthifolia Alfred R. Roos 1956-5-22 s.n. Los Angeles South Coast, sand dunes in El Segundo, near Hyperion 9 Comment
  POM175376  Camissonia hirtella West, Helen E. Sweet, E. Crow 1930-7-12 s.n. Los Angeles Near Pine Flats, North Fork--San Gabriel Canyon. Comment
  RSA448973  Camissonia hirtella Wm. Martin 1972-5-12 s.n. Los Angeles Gold Creek, Little Tujunga. Comment
  RSA609610  Camissonia lewisii Louis C. Wheeler 1974-4-4 s.n. Los Angeles West end of Los Angeles International Airport. 61 Comment
  RSA587457  Camissonia pallida subsp. pallida Orlando Mistretta 1995-4-11 1613 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
  RSA756792  Camissonia pallida subsp. pallida Orlando Mistretta, Christine Mistretta 2008-4-21 2508 Los Angeles Southern California Edison transmission line tower (Segment 6, Structure 42 per TRTP Survey 2008), vicinity of Mill Creek. 1425 Comment
  POM126850  Camissonia strigulosa Jos. Burtt Davy 1896-05 2491 Los Angeles Antelope Valley. Comment
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Jul 7 2020
  SBBG60408  Camissoniopsis bistorta R. Hoffmann 1925-4-19 Los Angeles Elizabeth Lake Comment
  SD186261  Camissoniopsis bistorta A. C. Sanders, Andy Thompson 2003-4-15 26017 Los Angeles Newhall Ranch, 500 ft. south of Magic Mountain theme park. 351 Comment
  SFV15349  Camissoniopsis confusa J. C. Dittes, D. Stolp 1990-4-1 67 Los Angeles San Gabriel Mountains Big Tujunga Canyon, Vogel Flats. 550 Comment
  SFV2537  Camissoniopsis intermedia M. L. Vincent 1962-4-6 163 Los Angeles Santa Monica Mountain Old Topanga Canyon Road, 3 miles south of Ventura Blvd. Hillside. 400 Comment
  UC1971204  Camissoniopsis micrantha Louis C. Wheeler 1947-4-20 6468 Los Angeles SAN GABRIEL MOUNTAINS: Kinneloa Canyon. Comment
  SD46509  Cannabis sativa Philip A. Munz 1955-11-5 21486 Los Angeles One and a half blocks north of Foothill Blvd. on Mills Ave., Claremont. Comment
  UCR210548  Capsella bursa-pastoris R. G. Swinney 2008-12-6 9972 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon west of Roberts Canyon on north side of San Gabriel River channel 229 Comment
  RSA785491  Cardamine californica Doris Bowers 1957-2-3 153 Los Angeles Dalton Canyon above Glendora 610 Comment
  UCR189378  Cardamine oligosperma R. G. Swinney 1998-5-30 6175 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  SD132411  Cardaria pubescens L. LaPre 1990-5-28 Los Angeles City Ranch, in the Anaverde Valley, ca 2 miles west of Palmdale 915 Comment
  CDA6817  Carduus nutans George Garrettson 1954-6-1 Los Angeles San Vicente Ranch, Walnut. 0 Comment
  UCR256833  Carex R. G. Swinney 2010-10-13 14017 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
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Sep 12 2018
  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
  SEINET3897001  Carex alma Timothy S. Ross, Steve Boyd 1994-5-10 7735 Los Angeles Warm Springs Canyon. At the confluence of a blueline drainage NNE off the face of Warm Springs Mtn; ca 1250m WNW from the canyon's effluence into elizabeth Lake Canyon. Warm Springs Mountain 7.5' USGS Quadrangle.; 0 668 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
  SEINET3897000  Carex alma Timothy S. Ross, Steve Boyd 1994-5-24 7838 Los Angeles Cottonwoodd Swamp': confluence of san Francisquito Canyon stream and two tributaries draining off the southeast slopes of Red Mountain. Warm Springs Mountain 7.5' USGS Quadrangle. Dissected by San Francisquito Canyon Road.; 0 512 Comment
  UCSB519  Carex alma Beach, Kay 1943-6-22 Los Angeles Sycamore Flat trail; San Dimas Experimental Forest; San Gabriel Mountains Comment
  UCR202721  Carex aurea R. G. Swinney, Cody Clarke 2001-8-22 8083 Los Angeles San Gabriel Mtns., 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2305 Comment
  RSA733580  Carex fracta R. G. Swinney 1998-7-29 6553 Los Angeles San Gabriel Mtns.: c. 100 m downstream from upper Fish Fork Campground. 1817 Comment
  UCR272993  Carex heteroneura R. G. Swinney 2011-7-29 15566 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  RSA678239  Carex praegracilis Valerie Soza, Steve Boyd 2002-4-10 1404 Los Angeles Haskell Canyon, Del Sur Ridge. Stables Fire 2001 area. 518 Comment
  RSA230187  Carex schottii Robert F. Thorne 1969-7-2 38346 Los Angeles San Gabriel Mountains, Angeles National Forest: wet, sloping meadow at Big Pines 2088 Comment
  CAS-BOT-BC117317  Carex spissa George B. Grant 1904-6-17 137 Los Angeles Pasadena. Comment
  POM1509  Carex triquetra I. M. Johnston 1917-3-6 1917 Los Angeles Evey Canyon, north of Claremont 915 Comment
  UCR124623  Castilleja affinis I. W. Clokey, B. C. Templeton 1929-1 4427 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  JEPS23166  Castilleja affinis subsp. affinis E. R. Blakley 1959-4-5 B- 2732 Los Angeles w side Point Dume 15 Comment
  RSA0021183  Castilleja applegatei Duncan S. Bell 2013-7-11 5374 Los Angeles Sheep Mountain Wilderness; eastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1993 Comment
  UC1595209  Castilleja applegatei subsp. martinii Tim Ross and Peter Fritsch 1990-6-20 3674 Los Angeles Rincon-Red Box Rd. (2N24) San Gabriel Mountains (ridgetop between West Fork San Gabriel River and Roberts Canyon) 1255 Comment
  RSA529192  Castilleja applegatei subsp. martinii Tim S. Ross, Steve D. Boyd 1991-7-24 5660 Los Angeles Granite Mountain. San Gabriel Mountain Range. 1936 Comment
  SEINET13772812  Castilleja exserta E. Braunton 1902-1 411 Los Angeles North Pomona. Comment
  SFV3411  Castilleja exserta M. L. Vincent 1963-5-7 346 Los Angeles Santa Susana Mountains Santa Susana Pass at the foot of the pass. 0.25 miles off the road in a meadow. 310 Comment
  UC1409006  Castilleja exserta subsp. exserta G. Wallace and D. Wilken 1966-3-18 139 Los Angeles Russel Valley Simi Hills (just off the Ventura Freeway, in the Simi Hills) 274 Comment
  SBBG12822  Castilleja foliolosa E. R. Blakley 1962-10-8 5437 Los Angeles NE side of Black Jack Mtn at the jct of Island Rd and White's Landing Rd 365 Comment
  SD84804  Castilleja grisea M. B. Dunkle 1939-4-2 7201 Los Angeles Common on lower slope bluffs; southeast corner of San Clemente Island. Comment
  UCR150391  Castilleja linariifolia L. C. Wheeler 1946-8-27 6261 Los Angeles Transverse Ranges; San Gabriel Mtns, Sandrock Creek at Pearblossom Hwy, near confluence of Sandrock Creek and Big Rock Creek; 0.25 mi SE of Big Rock Patrol Station 1113 Comment
  JEPS9776  Castilleja miniata Frank W. Peirson 1919-6-14 490 Los Angeles Big Rock Creek; San Gabriel Mountains 1524 Comment
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Jan 31 2008
  UCR149885  Castilleja miniata R. G. Swinney 1999-6-18 7326 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  RSA618677  Castilleja miniata subsp. miniata Louis C. Wheeler 1966-8-21 8838 Los Angeles San Gabriel Mountains: Dorr Canyon. Comment
  RSA579308  Castilleja minor subsp. spiralis Tim S. Ross, Orlando Mistretta, Carolyn Neal 1994-7-1 8082 Los Angeles Sheep Camp Spring, 334 degrees and 520m NNW of Pacifico Mtn summit, at the headwaters of Santiago Canyon 1921 Comment
  RSA594636  Castilleja minor subsp. spiralis Steve D. Boyd, Lauren Raz 1996-10-29 9119 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
  RSA776561  Castilleja minor subsp. spiralis Orlando Mistretta, Christine Mistretta 2010-6-15 5307 Los Angeles Transverse Ranges; San Gabriel Mountains region: Upper Big Tujunga Canyon; Lynx Gulch. Along Lynx Gulch Road, 0.68 road miles N of junction with Upper Big Tujunga Canyon Road. 1045 Comment
  UCR139374  Castilleja minor subsp. spiralis I. M. Johnston 1917-5-13 983 Los Angeles San Gabriel Valley, El Monte 91 Comment
  UCR146505  Castilleja minor subsp. spiralis Scott D. White 2004-7-28 10657 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
  RSA81476  Castilleja plagiotoma F. W. Peirson 1919-5-10 1148 Los Angeles Arraster [Arrastre] Creek, San Gabriel Mountains. 838 Comment
  SD87878  Castilleja plagiotoma Frank W. Peirson 1921-7-3 2727 Los Angeles Blue Ridge, San Gabriel Mts., summit of ridge 2286 Comment
  UC1039780  Castilleja plagiotoma H. L. Mason 1926-4-26 2972 Los Angeles 4 mi s Vincent (Mint Canyon Road, Soledad Pass); Soledad Pass Comment
  UCR238988  Castilleja subinclusa subsp. subinclusa Anuja Parikh, Nathan Gale 2010-5-24 3212 Los Angeles Western Transverse Range; East Liebre Mountains, Sierra Pelona, 5.0 km west of State Hwy 14, 1.6 km southwest of California Aqueduct, under powerlines 1005 Comment
  CAS-BOT-BC38143  Caulanthus amplexicaulis Timothy S. Ross; Steve Boyd 1990-5-31 2733 Los Angeles San Gabriel Mountains. Ridge descending northward from Mount Gleason. 1847 Comment
  UCR209235  Caulanthus amplexicaulis R. G. Swinney 2008-6-18 9066 Los Angeles San Gabriel Mountains, Juniper Hills, 1.5 miles SW of Cruthers Creek bottom, Burkhart Trail 1744 Comment
  SBBG72104  Caulanthus amplexicaulis var. amplexicaulis W. Sweet 1930-6-12 Los Angeles near N Baldy Pk Comment
  RSA594741  Caulanthus coulteri Timothy S. Ross 1995-4-7 8363 Los Angeles TEMPLIN HIGHWAY ca. 1800-1900 ft NE of its inter- section with the Old Ridge Route. 823 Comment
  RSA643175  Caulanthus major var. major Orlando Mistretta 1993-6-28 902 Los Angeles Angeles National Forest; Table Mountain, Sunrise ski area. Comment
  RSA596425  Ceanothus cordulatus Tim S. Ross, S. D. Boyd, Peter Fritsch 1990-6-11 3360 Los Angeles Big Rock Creek Canyon: ca 120 m NNW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin). 1732 Comment
  CAS-BOT-BC48730  Ceanothus crassifolius L. E. Cox 1908-3-31 s.n. Los Angeles Lower slopes of Mt. Wilson 609 Comment
  RSA0039461  Ceanothus crassifolius R. G. Swinney 2010-6-21 13254 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail. 561 Comment
  RSA0073377  Ceanothus crassifolius R. G. Swinney 2010-3-16 11952 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
  RSA276047  Ceanothus crassifolius Jack Delaini 1974-2-14 1 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angele National Forest. 366 Comment
  RSA398853  Ceanothus crassifolius Donald R. Bissing 1973-2-26 1 Los Angeles Evey Canyon, 0.7 mile from canyon mouth 915 Comment
  UC1071006  Ceanothus crassifolius F. H. Raymond 1930-3-3 54 Los Angeles San Rafael Mountains 243 Comment
  IRVC26156  Ceanothus foliosus A. C. Sanders, Mark A. Elvin 2003-6-18 26945 Los Angeles around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon Santa Susana Mountains, Western Transverse Range 1037 Comment
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Mar 27 2007
  CAS-BOT-BC50846  Ceanothus insularis Reid Moran 1941-3-5 679 Los Angeles Santa Catalina Island - Salta Verde Comment
  RSA549131  Ceanothus integerrimus Tim S. Ross, Peter Fritsch 1990-6-20 3685 Los Angeles San Gabriel Mountains: Rincon-Red Box Rd (2N24); ridgetop between W Fork San Gabriel River and Roberts Canyon 1329 Comment
  RSA779991  Ceanothus leucodermis R. G. Swinney 2009-6-24 11228 Los Angeles summit of Granite Mountain 1988 Comment
  UC624985  Ceanothus megacarpus var. insularis F. R. Fosberg 1931-4-10 S 4559 Los Angeles Pacific Divide Santa Calalina Island 200 Comment
  LA82212  Ceanothus megacarpus var. megacarpus O. H. Kappler; 1943-3-1 362 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA656269  Ceanothus oliganthus Bill McKinley 1976-4-18 5 Los Angeles Verdugo Mountains: 10 yards west of intersection of Fire Roads 890 yards up Beaudry Fire Road west of Beaudry Blvd., vicinity Oakmont Country Club, Glendale. 402 Comment
  UC79787  Ceanothus oliganthus var. oliganthus Katharine Brandegee May 1889 Los Angeles Pasadena Comment
  CAS-BOT-BC63306  Ceanothus spinosus Peter H. Raven 1956-6-17 9428 Los Angeles NW. of Sunset Blvd., Santa Monica Mts. Comment
  LA52234  Ceanothus spinosus A. M. Johnson; 1934-4-20 4438 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Behind tunnel, right side of road. Comment
  UCR124376  Ceanothus spinosus I. W. Clokey, B. C. Templeton 1929-1 4438 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  SBBG41220  Ceanothus vestitus J. P. Broughton 1970-4-19 Los Angeles just outside Devil's Punchbowl County Park Comment
  UCR206429  Ceanothus vestitus R. G. Swinney 2008-6-10 8977 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
  UCR223807  Ceanothus vestitus R. G. Swinney 2009-6-17 11163 Los Angeles Transverse Range; San Gabriel Mtns., Ball Flat, 2.6 miles NW (312 deg. ) of Big Pines 1890 Comment
  POM351500  Centaurea melitensis H. L. Bauer 1931-6-1 s.n. Los Angeles Santa Monica foothills. Comment
  RSA600752  Centaurea melitensis L. C. Wheeler 1967-6-15 9839 Los Angeles Liebre Mountain Region: Foothills NE of Saugus. 381 Comment
  UCR259141  Centaurea melitensis R. G. Swinney 2010-6-23 13366 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
  CAS-BOT-BC272070  Centaurea melitensis Alice Eastwood 1917-7-20 6479 Los Angeles Santa Catalina Island Comment
  RSA0035461  Centaurea melitensis Roxanne Smith 1991-5-14 32 Los Angeles Hills 0.4 mi. southeast of Golden Springs and Diamond Bar Blvd. Comment
  LA201783  Centaurea solstitialis Arthur C. Gibson; 2003-7-25 4848 Los Angeles Comment
  RSA747411  Centrostegia thurberi R. G. Swinney 2008-6-9 8962 Los Angeles lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  UCR269956  Cercocarpus betuloides R. G. Swinney 2010-5-19 12806 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
  RSA17897  Cercocarpus betuloides var. betuloides W. R. Dudley, F. H. Lamb 1896-6-8 4402 Los Angeles Kings Canyon, Liebre Mts. Comment
  RSA497906  Cercocarpus betuloides var. betuloides Martha Hilend 1928-2-9 46 Los Angeles Big Santa Anita Canyon. Comment
  UC859428  Cercocarpus betuloides var. betuloides I. W. Clokey, B. C. Templeton 1930-4-2 4606 Los Angeles Mulholland Drive 600 Comment
  RSA167833  Cercocarpus betuloides var. blancheae Robert F. Thorne 1964-2-6 33295 Los Angeles Santa Catalina Island. In Wild Boar Gully. 122 Comment
  RSA253140  Cercocarpus betuloides var. blancheae Gary D. Wallace 1975-3-23 1415 Los Angeles Santa Catalina Island. Near entrance to Arboretum in upper Avalon Canyon. Comment
  RSA747376  Cercocarpus ledifolius var. ledifolius R. G. Swinney 2008-6-10 8989 Los Angeles Devils Punchbowl Co. Park, peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1933 Comment
  SBBG31387  Cercocarpus traskiae R. F. Thorne 1967-5-18 36900 Los Angeles Salta Verde, lateral gully to Wild Boar Gully 213 Comment
  CHSC98405  Chaenactis artemisiifolia LeRoy Gross 2001-5-6 380 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. Sunny open southeast facing slope near ridgetop. Comment
  SFV21872  Chaenactis fremontii J. O. Exconde, Jr. 2008-4-26 10 Los Angeles Mojave Desert Antelope Valley. West of Lancaster along Lancaster Road, west of 160th Street West. 850 Comment
  RSA0073221  Chaenactis fremontii Bonnie C. Templeton 1931-5-17 1207 Los Angeles Between Palmdale and Lancaster, Mohave Desert. Comment
  IRVC28369  Chaenactis glabriuscula A. C. Sanders, Tricia Wotipka 2003-4-28 26097 Los Angeles Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon Western San Gabriel Mtns. 427 Comment
  SFV18463  Chaenactis glabriuscula S. Haennelt 1977-3-9 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area. Ecology trail. Comment
  CAS-BOT-BC277334  Chaenactis glabriuscula var. glabriuscula F. Grinnell Jr. 1917-7-8 s.n. Los Angeles Barley Flats, San Gabriel Mountains 1706 Comment
  CHSC98604  Chaenactis glabriuscula var. glabriuscula LeRoy Gross; Laura Moore 2000-6-5 223 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy land. Sunny south slope, on trail up out of canyon. 579 Comment
  RSA0091987  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2011-7-7 15425 Los Angeles Colby Ranch (Camp Colby), S end of Inspiration Canyon Tr., in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  RSA0115777  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2011-3-29 14252 Los Angeles San Gabriel Mts.; Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel. 366 Comment
  UC135500  Chaenactis glabriuscula var. glabriuscula LeRoy Abrams 1902-6-29 2506 Los Angeles summit of Mt. Wilson Comment
  SBBG65565  Chaenactis glabriuscula var. glabriuscula R. Hoffmann 1930-5-19 Los Angeles Mint Cyn, ca. 4 mi E of Oak's Garage Comment
  RSA0001020  Chaenactis santolinoides I. M. Johnston 1917-6-20 1489 Los Angeles Baldy Lookout of USFS. 2134 Comment
  RSA774278  Chaenactis stevioides R. G. Swinney 2009-6-17 11182 Los Angeles Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UCR194598  Chaenactis stevioides R. G. Swinney 1999-5-1 7086 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
  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
  RSA727534  Chaenactis xantiana R. G. Swinney 1998-5-16 6089 Los Angeles San Gabriel Mountains/Mojave Desert: near Pinon Hills, Mescal Highlands, 0.9 mile west of 237th St. East at Panorama Way, 2.3 mi. S of Ft. Tejon Rd. 1402 Comment
  SJSU2506  Chaenactis xantiana H. L. Buckalew 1962-4-18 Los Angeles Mohave Desert: between Vincent & Little Rock Comment
  RSA435999  Chamaesyce maculata George B. Grant 1904-9-2 s.n. Los Angeles Pasadena Comment
  RSA670948  Chamaesyce melanadenia Joseph M. Keefe 2001-1-19 30910 Los Angeles Along footpath between Betty Place and intersection of Upperton Avenue and Buena Vista Terrace and Nolden Street; ridge between Eagle Rock Valley and York Valley (Highland Park); Los Angeles; 90042. 244 Comment
  CDA35247  Chamaesyce melanadenia G. C. Fleischman 1942-6-18 Los Angeles Foothills of San Gabriel Mountains, near Sierra Madre. 0 Comment
  UC519728  Chamaesyce melanadenia Joseph Andorfer Ewan 1932-5-10 7460 Los Angeles above Verdugo Hacienda; Verdugo Canyon Comment
  RSA732920  Cheilanthes covillei R. G. Swinney 1999-8-14 7617 Los Angeles San Gabriel Mtns.: Upper Fish Fork San Gabriel River, c. 0.7 west of junction of Fish Fork Trail on West Dawson Peak Ridge. Comment
  UCR190000  Cheilanthes covillei R. G. Swinney 1998-6-16 6981 Los Angeles San Gabriel Mtns., ridge c. 150 m SE of summit of Lookout (Antonio) Mtn. 2012 Comment
  SFV16787  Cheilanthes covillei J. D. Dilley 1997-2-1 s. n. Los Angeles San Gabriel Mountains Colby Canyon, on Angeles Crest Highway. 3 miles east of junction with Angeles Forest Highway. 1 mile up trail. 1067 Comment
  RSA226102  Chenopodium album R. F. Thorne, C. W. Tilforth 1971-6-17 39944 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  CAS-BOT-BC460930  Chenopodium album Peter H. Raven 1957-9-21 11367 Los Angeles Topanga Canyon, 2.3 miles above US Hwy 101A, Santa Monica Mountains Comment
  RSA624446  Chenopodium ambrosioides L. C. Wheeler 1932-9-9 1364 Los Angeles San Gabriel Mountains: San Antonio Canyon. 1097 Comment
  POM13557  Chenopodium ambrosioides P. A. Munz 1922-11-20 6566 Los Angeles 2 miles SE of Covina. Comment
  RSA423258  Chenopodium atrovirens F. R. Fosberg, J. Ewan 1931-6-12 4977 Los Angeles along ridge trail near big rock-Bear Creek divide 2133 Comment
  RSA423288  Chenopodium berlandieri E. S. Spalding 1922-11-26 s.n. Los Angeles Near Glendale. Comment
  RSA602480  Chenopodium botrys Scott D. White 1997-5-8 5092 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir. 365 Comment
  RSA592312  Chenopodium botrys L. C. Wheeler 1966-9-21 8904 Los Angeles San Gabriel Mountains. Upper Coldbrook Creek, just west of small depression on east side of road. 1448 Comment
  RSA586441  Chenopodium californicum Orlando Mistretta 1995-2-28 1523 Los Angeles Carr Canyon. 1006 Comment
  UC557815  Chenopodium californicum Nell Murbarger 1936-3-1 109 Los Angeles San Clemente Island; mesa top and e side of island Comment
  SFV12661  Chenopodium macrospermum M. H. Grayum, D. L. Koutnik, B. Balch 1977-11-27 898 Los Angeles Santa Monica Mountains Tapia Park. Along Malibu Creek. 145 Comment
  RSA599239  Chenopodium murale L. C. Wheeler 1968-3-21 s.n. Los Angeles Foothills; West Debris Basin above Brown School for Girls. Northwest of Glendora. 426 Comment
  SBBG37248  Chenopodium murale E. R. Blakley 1961-9-23 4732 Los Angeles Ballast Pt, Catalina Harbor Comment
  SBBG95275  Chenopodium murale M. B. Dunkle 1928-4-9 1813 Los Angeles Emerald Bay Comment
  LA31620  Chenopodium murale Peter H. Raven; 1959-3-15 Los Angeles Santa Monica Mountains, Point Dume Natural Preserve, just E of Zuma Beach 9 Comment
  RSA533522  Chenopodium pratericola T. S. Ross 1991-3-9 4173 Los Angeles Whittier Hills (Puente Hills, pro parte): Seepage ca. 300 feet SW of Colima Road & Camino del Sur. 213 Comment
  SBBG65480  Chenopodium strictum R. Hoffmann 1931-10-23 Los Angeles Ridge Route (US Hwy 99) Comment
  UCR189823  Chenopodium strictum R. G. Swinney 1998-9-4 6905 Los Angeles San Gabriel Mtns, Vincent Gap, off trail c. 350 m SE of parking area at spring near canyon bottom 1988 Comment
  CAS-BOT-BC184879  Chloris virgata Ernest C. Twisselmann 1970-10-17 17545 Los Angeles Mojave Desert. Antelope Valley. Gorman Highway 5 miles west of Highway 14. 1005 Comment
  RSA586668  Chorizanthe brevicornu var. brevicornu Orlando Mistretta 1995-6-1 1740 Los Angeles San Gabriel Mountains, Carr Canyon, near mouth of Canyon. 945 Comment
  CAS-BOT-BC244653  Chorizanthe staticoides Geo. L. Fisher 1929-6-8 s.n. Los Angeles Glendale 304 Comment
  CAS-BOT-BC244658  Chorizanthe staticoides James L. Reveal 1988-5-17 6789 Los Angeles Along the Bouquet Canyon Road east of Bouguet Reservoir, 3.1 miles east of the junction of Green Valley (or Spunky Canyon) Road and 3.3 miles southwest of Elizabeth Lake Road (County Road N2) in Leona Valley, at the junction of San Franciscito Road 1127 Comment
  IRVC26980  Chorizanthe staticoides A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26059 Los Angeles Newhall Ranch, north of the powerlines south of Magic Mountain Parkway, near I-5 and new golf course NE end of Santa Susana Mtns. 366 Comment
  LA210343  Chorizanthe staticoides Jonathan Sauer; et. al. 1969-6-4 45 63 2 Los Angeles 853 Comment
  POM306235  Chorizanthe staticoides Henry J. Ramsey, Henry J. Ramsey 1937-5-27 s.n. Los Angeles N. Craig Avenue, Altadena. Comment
  UC635061  Chorizanthe staticoides Margaret Stason 1927-5-14 Los Angeles Bouquet Canyon , Bouquet Canyon (San Gabriel Mountains) Comment
  UCD100019  Chorizanthe staticoides Collector Unknown 1962-5-19 s.n. Los Angeles 3 mi. W. Topanga Canyon - Mulholland, Santa Monica Mts. 356 Comment
  RSA9703  Chorizanthe staticoides Louis C. Wheeler 1932-4-30 668 Los Angeles Mandeville Canyon, Santa Monica Mtns. 152 Comment
  RSA725135  Chorizanthe watsonii Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -17 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
  JEPS108270  Chorizanthe watsonii David Gowen 2005-5-11 304 Los Angeles HWY 138 (West Ave. D) west of Lancaster. Sandy soil at the SW corner of the intersection with 210 St. West. Comment
  UCR257518  Chorizanthe xanti var. xanti Mitch Provance 2010-4-20 0410- 17 Los Angeles Western Transverse Range, hills south of Hwy 138 in vicinity of High Desert Hunt Club, c. 3 miles east of Quail Lake 965 Comment
  UCR205634  Chrysanthemum coronarium A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36995 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  RSA476626  Chrysolepis sempervirens Fred Burlew 1916-1 s.n. Los Angeles Mt. San Antonio Comment
  CAS-BOT-BC280028  Cirsium mohavense S. B. Parish; W. F. Parish 1882-5-1 1261 Los Angeles Warm Springs, Mojave Desert Comment
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Sep 10 2019
  RSA701715  Cirsium occidentale Steve Boyd, Amber Maurice 2004-5-18 11331 Los Angeles Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain. 610 Comment
  CAS-BOT-BC285409  Cirsium occidentale var. californicum Louis Wheeler 1933-7-4 1903 Los Angeles San Dimas Canyon, San Gabriel Mts. 640 Comment
  RSA188197  Cirsium occidentale var. californicum R. F. Thorne, Percy C. Everett 1965-6-23 35015 Los Angeles Santa Catalina Island, rocky ridge on Hamilton Canyon side N of Descano Canyon 61 Comment
  SDSU3782  Cirsium occidentale var. californicum Gerald Collier 1951-5-5 M 582 Los Angeles Santa Ana Canyon, San Gabriel Mtns. about 5 miles north of Santa Anita dam. Comment
  UC54177  Cirsium occidentale var. californicum Ernest Braunton 1902-6-1 416 Los Angeles Elysian Park Comment
  UCR154436  Cirsium occidentale var. californicum A. C. Sanders, T. B. Salvato 2005-5-24 30255 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon NW of community of Mint Canyon, tributary of Santa Clara River 518 Comment
  CDA7424  Cirsium vulgare L. C. Wheeler 1973-7-15 s.n. Los Angeles San Gabriel Mtns: Graveyard Canyon, second side canyon. 0 Comment
  RSA0024629  Cirsium vulgare Duncan S. Bell, Caitlin Elam 2013-6-24 5283 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
  RSA160889  Cirsium vulgare Peter H. Raven 1961-10-1 16783 Los Angeles San Gabriel Mountains: upper Evey Canyon 854 Comment
  RSA594402  Cirsium vulgare Steve Boyd, Lauren Raz 1996-10-14 9079 Los Angeles Liebre Mountains region, 'Cow Spring Pond', a sag pond along the San Andreas Fault at the north base of Liebre Mountain in Oakdale Canyon, just west of confluence of Cow Spring Canyon. 1159 Comment
  RSA771556  Cistanthe monandra R. G. Swinney 2009-5-28 10948 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  RSA252965  Cistanthe monandra R. F. Thorne, C. W. Tilforth 1973-4-20 43108 Los Angeles San Bernardino National forest; Mormon Rocks and Cajon Canyon 1036 Comment
  RSA611009  Cistanthe monandra L. C. Wheeler 1968-5-25 s.n. Los Angeles Mesa W of Bear Creek. 548 Comment
  RSA65419  Cistanthe monosperma F. W. Peirson 1905-7-14 34 Los Angeles San Antonio Canyon, San Gabriel Mts., Los Angeles Co., California Comment
  RSA656250  Cistus incanus Yvonne Younger 1977-5-22 17 Los Angeles Verdugo Mountains: Colorado Boulevard at San Rafael off-ramp of 134 Freeway (east bound), Eagle Rock. Comment
  RSA453462  Clarkia bottae F. E. Durkee 1906-05 s.n. Los Angeles Los Angeles, Hollywood Canyon. Comment
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Nov 17 2015
  UC1594361  Clarkia bottae Tim Ross 1992-5-17 6345 Los Angeles 260 m w of mouth Cattle Canyon (near elbow of river); San Gabriel Mountains, East Fork San Gabriel River 576 Comment
  UCR256440  Clarkia bottae R. G. Swinney 2010-6-4 13024 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
  HSC12679  Clarkia dudleyana Wendell Wood 1970-6-24 38 Los Angeles Linda Vista Ave. and Foothill Hwy., Pasadena 305 Comment
  RSA670696  Clarkia elegans Bonnie C. Templeton 1947-5-21 6284 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  RSA631079  Clarkia epilobioides Louis C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island. 0.3 mile south southeast Isthmus Bench Mark. 122 Comment
  UCR282668  Clarkia epilobioides Dan S. Cooper 2017-4-13 417- 24 Los Angeles Cornell Road south of Agoura Rd. 270 Comment
  HSC16266  Clarkia purpurea C. S. Apperson 1967-6-11 Los Angeles 3 mi. up Haskell Cyn. Rd. off of Bouquet Cyn. Rd. Comment
  RSA131026  Clarkia purpurea subsp. quadrivulnera Percy C. Everett, E. K. Balls 1959-6-2 23853 Los Angeles 0.5 miles N of Jct of Mulholland Drive and Road to Backus, Santa Monica Mountains. 610 Comment
  RSA3607  Clarkia purpurea subsp. quadrivulnera Carl B. Wolf 1932-5-13 3624 Los Angeles Santa Catalina Island; near largest reservoir 3.5 miles from Avalon (by road) on way to Isthmus 366 Comment
  RSA545319  Clarkia similis Tim S. Ross 1992-5-17 6342 Los Angeles San Gabriel Mountains: center W side of the San Gabriel Reservoir; short easterly spur canyon along Highway 39. 463 Comment
  CHSC96309  Clarkia unguiculata LeRoy Gross; Bill Hogshead, Valerie Soza 2003-5-29 949 Los Angeles Transverse Ranges: Verdugo Mountains region: West end of the mountains: At junction (saddle) of Verdugo Motorway and Wildwood Fire Road (Abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago.) We went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Motorway) Basically a triangle. UTM Zone: 3787689N 0378361E. 563 Comment
  RSA609938  Clarkia unguiculata R. S. Woglum 1930-5-10 s.n. Los Angeles Western Transverse Ranges: San Fernando Valley. North Hollywood. Comment
  RSA466710  Claytonia perfoliata subsp. mexicana I. W. Clokey, Bonnie C. Templeton 1929-03 4527 Los Angeles Mandeville Canyon, Santa Monica Mountains. 350 Comment
  RSA679285  Clematis lasiantha Mark A. Elvin, Anne Marie Ruff 1996-8-1 306 Los Angeles San Gabriel Mtns. Angeles National Forest. Glendora Ridge Road. Comment
  CAS-BOT-BC92642  Clematis ligusticifolia C. F. Baker 1903-8-2 3458 Los Angeles San Antonio Canon [Canyon] near Claremont. Comment
  CAS-BOT-BC92648  Clematis ligusticifolia Shirley W. Campbell 1970-9-24 102 Los Angeles Lower reach of the Arroyo Seco, southwestern Pasadena. Comment
  RSA587087  Clematis ligusticifolia Orlando Mistretta, S. D. Boyd 1995-5-23 1719 Los Angeles San Gabriel Mountains. Bare Mountain Canyon. W side tributary drainage NE of Pacifico Mtn. 1738 Comment
  POM147543  Cleome isomeris Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  RSA579131  Cleome isomeris T. S. Ross, J. Mark Porter, Vanessa Ashworth, D. L. Banks, Megan Tommerup, Gery Allan 1994-3-28 7440 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; narrow, eroded canyon through southerly coastal bluffs, ca. 2750m SE of Inspiration Point and 2680m WNW of Whites Point. 15 Comment
  CAS-BOT-BC423112  Cleomella obtusifolia Marcus E. Jones 1924-9-14 s.n. Los Angeles Lancaster Comment
  SBBG15796  Collinsia bartsiifolia var. davidsonii W. G. Webb 1935-4-20 Los Angeles near Lancaster Comment
  SD215669  Collinsia bartsiifolia var. davidsonii Steve Boyd, Lauren Raz 1997-3-26 9352 Los Angeles Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir 975 Comment
  RSA588737  Collinsia callosa Orlando Mistretta 1994-5-31 1284 Los Angeles San Gabriel Mountains: Santiago Canyon. N slope of Pacifico Mtn. 2076 Comment
  LA52021  Collinsia heterophylla Bonnie Templeton; 1939-4-26 4586 Los Angeles SANTA MONICA MOUNTAINS, Pacific Palisades, Huntington Palisades. 640.0 Comment
  UCR189381  Collinsia heterophylla R. G. Swinney 1998-5-30 6177 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  SBBG127052  Colutea arborescens A. Parikh, N. Gale 2011-7-7 3544 Los Angeles Barley Flats, 4.3 km W of Shortcut Station, 1.1 km N of St Hwy 2; San Gabriel Mtns 1690 Comment
  UCR179620  Colutea arborescens R. G. Swinney 1991-1 1597 Los Angeles San Gabriel Mountains, Glendora, Big Dalton Canyon Debris Basin 335 Comment
  CAS-BOT-BC59724  Comarostaphylis diversifolia subsp. planifolia Brandegee 1889-1-1 12 Los Angeles Santa Catalina Island. Comment
  UC1929607  Comarostaphylis diversifolia subsp. planifolia Mark Elvin, Sarah Crockett 1997-3-17 374 Los Angeles Channel Island; Santa Catalina Island: Cape Canyon. W side of canyon. Comment
  RSA394788  Convolvulus arvensis Anstruther Davidson s.n. Los Angeles Railway Station Comment
  RSA71113  Convolvulus simulans F. W. Peirson 1908-4-18 4253 Los Angeles Point Fermin Comment
  RSA0060883  Conyza bonariensis R. G. Swinney 2010-8-16 13562 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  LA30461  Conyza canadensis Jane Turner; T. Mosquin 1958-11-16 C 57 Los Angeles Santa Monica Mountains, Tuna Canyon, Fernwood Pacific Rd, 6.9 mi from intersection with Topanga Canyon Rd Comment
  UCR178778  Conyza canadensis R. G. Swinney 1989-10-14 s.n. Los Angeles San Gabriel Mtns., Glendora, Little Dalton Canyon c. 100-200 yds. upstream from the debris basin 372 Comment
  SBBG68668  Cordylanthus rigidus subsp. setiger R. Hoffmann 1927-8-31 Los Angeles Oak's Garage, Mint Cyn Comment
  SFV3358  Cordylanthus rigidus subsp. setigerus F. M. Ball 1962-8-22 Los Angeles Cold Canyon Road about 0.25 miles northeast of Monte Nido Fire Station. Open areas on gentle slope near road. Comment
  CAS-BOT-BC287759  Coreopsis bigelovii A. D. E. Elmer 1902-6-1 4161 Los Angeles Palmdale Comment
  UC33134  Coreopsis californica var. californica H. P. Chandler 1897-3-11 Los Angeles Leslie Canyon, Claremont 548 Comment
  POM356021  Coreopsis gigantea F. R. Fosberg 1931-5-22 7161 Los Angeles Santa Catalina Island. Bird Rock, Isthmus Harbor. 5 Comment
  RSA518378  Coreopsis gigantea A. C. Sanders 1988-2-3 7594 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport and Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  UCR51315  Coreopsis gigantea A. C. Sanders 1988-2-3 7594 Los Angeles Pacific slope, El Segundo Dunes, west of Los Angeles International Airport & Pershing Drive, east of Vista Del Mar Blvd. 30 Comment
  RSA232206  Coreopsis gigantea James Henrickson 1969-4-10 4210 Los Angeles 8 miles W of Malibu along Sandstone cliff E of Pacific Coast Hwy at Zuma Beach. 3 Comment
  JEPS20104  Corethrogyne filaginifolia Peter H. Raven 1957-9-21 11359 Los Angeles 2.5 mi above U.S. 101A (Topanga Canyon); Santa Monica Mountains, Topanga Canyon Comment
  POM356141  Corethrogyne filaginifolia Wm Martin 1971-8-11 s.n. Los Angeles Point Dume. 15 Comment
  RSA747261  Corethrogyne filaginifolia var. filaginifolia R. G. Swinney 2005-8-22 8509 Los Angeles San Gabriel Mountains: Devil's Punchbowl County Park, lower Holcomb Canyon 1280 Comment
  UCR178062  Cortaderia selloana LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 297 Los Angeles Verdugo Mountains, Verdugo Mountains: Hostetter Mountainway 640 Comment
  UCD112971  Cotoneaster pannosus Robert F. Thorne 1971-3-18 41491 Los Angeles San Gabriel Mts.; Cobal Canyon; c. 3 mi N of Claremont. 502 Comment
  CAS-BOT-BC287258  Cotula australis C. W. Tilforth 1968-2-19 131 Los Angeles LASCA [Los Angeles State and County Arboretum] Comment
  OBI36524  Cotula australis Mark Schneider 2005-5-26 s.n. Los Angeles Pierce College Campus Comment
  CATA3125  Cotula coronopifolia Amy Catalano 2016-5-25 130 Los Angeles Santa Catalina Island: Main riparian area to east of south end of Big Springs Road 66 Comment
  UCR216370  Crassula aquatica Dan S. Cooper 2010-5-27 510- 36 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  CAS-BOT-BC291513  Crepis intermedia Mrs. G. Earle Kelly 1924-6-1 s.n. Los Angeles Eagle Rock Comment
  RSA394747A  Cressa truxillensis M. B. Dunkle 1929-10-20 2147 Los Angeles Howland's, Santa Catalina island. Comment
  RSA394749  Cressa truxillensis F. R. Fosberg 1931-5-20 728 Los Angeles Santa Catalina Island. Ballast Point, Catalina Harbor. 1 Comment
  CATA2026  Crocanthemum scoparium Steven A. Junak, Keri Kirkland 1998-4-30 571 Los Angeles Santa Catalina Island: Extreme upper reaches of N fork of Descanso Canyon, just downslope from Airport Road 365 Comment
  CATA659  Crocanthemum scoparium Mark L. Hoefs 1991-4-23 1148 Los Angeles Santa Catalina Island: Around upper White's Landing Road 451 Comment
  JEPS31076  Crocanthemum scoparium var. vulgare Frank W. Peirson 1919-6-12 115 Los Angeles Mt. Lowe foothills 579 Comment
  RSA397740  Crossosoma californicum M. B. Dunkle 1938-12-30 2039 Los Angeles Head of Grand Canyon, Santa Catalina Island. Comment
  SD75620  Crossosoma californicum Reid Moran 1941-2-26 630 Los Angeles Santa Catalina Island, Johnson's Valley 199 Comment
  POM2755  Croton californicus M. Hitchcock 1918-5-30 2 Los Angeles Indian Hill, Claremont Comment
  RSA0088149  Croton californicus R. G. Swinney 2010-5-4 12515 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
  UC73443  Croton californicus E. D. Palmer May 1903 Los Angeles Claremont Comment
  RSA480698  Croton californicus var. tenuis Mildred R. Solomen 1931-07 s.n. Los Angeles El Segundo. Comment
  CHSC52023  Croton setiger Ted H. Thorsted Jr. 1970-8-20 Los Angeles On slope bounding campus of California State College at Los Angeles. 121 Comment
  SBBG108427  Croton setiger T. Ross 1995-5-21 8601 Los Angeles near head of Chenetti Cyn, just SW of W prong of the trident formed at the top of the longest tributary; 1800' SSE of Rest Triangulation Pt (1336') 347 Comment
  OBI2786  Croton setiger Ted H. Thorsted Jr 1970-8-20 s.n. Los Angeles On slope bounding cmapus of Calif State College at Los Angeles 122 Comment
  UCR172453  Crypsis schoenoides Anuja Parikh, Nathan Gale 2005-7-1 2121 Los Angeles Santa Susana Mtns., Newhall Ranch, upper Potrero Canyon, south of Santa Clara River c. 2 mi. east of the Ventura Co. line, study area 18 366 Comment
  UCR280545  Cryptantha R. G. Swinney 2014-4-10 16033 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
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Feb 19 2020
  RSA184062  Cryptantha barbigera I. L. Wiggins 1966-4-23 20644 Los Angeles E side of 145 st. E, between Palmdale Blvd. and Ave. O, N of Pearblossom Mohave Desert. Comment
  UCR276808  Cryptantha circumscissa R. G. Swinney 2010-5-21 12894 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  UC174987  Cryptantha dumetorum Katharine Brandegee Los Angeles Lancaster Comment
  UCR223118  Cryptantha echinella R. G. Swinney 2009-5-13 10782 Los Angeles Transverse Range; San Gabriel Mtns., upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1183 Comment
  RSA783079  Cryptantha intermedia Pam De Vries 2011-4-20 7778 Los Angeles Western Transverse Range, SW portion of the Liebre Mountains; about 0.5 air miles NNE of the intersection of Copper Hill and San Francisquito Canyon Road 426 Comment
  UCR206171  Cryptantha intermedia A. C. Sanders, T. B. Salvato 2009-5-29 37055 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  RSA0075637  Cryptantha intermedia var. johnstonii Mary C. Hunter 1994-5-25 26 Los Angeles Altadena foothills; Top of Lake Ave; East of Lake Ave. Comment
  RSA187830  Cryptantha maritima R. F. Thorne 1966-4-5 35855 Los Angeles Santa Catalina Island: above stream in Cottonwood Canyon. 107 Comment
  UC557754  Cryptantha maritima Nell Murbarger May, 1936 186 Los Angeles s end San Clemente Island; s end San Clemente Island Comment
  UC1537677  Cryptantha micrantha Gordon H. True Jr. 1935-5-17 304 Los Angeles s of Littlerock 944 Comment
  RSA0095243  Cryptantha micrantha var. lepida R. G. Swinney 2011-6-7 15026 Los Angeles San Gabriel Mountains: Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road 1585 Comment
  UCR127092  Cryptantha micrantha var. lepida Mark A. Elvin, Cathleen Weigand 2003-4-7 2451 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, south of Castaic Creek, north of SR 126 297 Comment
  UCR252053  Cryptantha micromeres Dan S. Cooper 2013-4-22 413- 60 Los Angeles Western Transverse Range; Hollywood Hills, Hollywood Reservoir, Montlake Dr. at Canyon Lake Dr., NE side of reservoir 233 Comment
  RSA600190  Cryptantha microstachys Steve Boyd, Lauren Raz 1997-5-29 9904 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail., Near 34 deg 44' 32.7''N 118 deg 38' 27.8''W 1158 Comment
  RSA682619  Cryptantha microstachys Scott D. White, Michael Honer 2003-5-7 9217 Los Angeles Liebre Mountains: Tapia Canyon, about 2 air miles east of Interstate 5 junction at Old Ridge Route. 427 Comment
  RSA775952  Cryptantha microstachys Orlando Mistretta, Christine Mistretta 2010-6-23 5341 Los Angeles W fork of the San Gabriel River; 4.3 air miles E of Red Box Gap on Angeles Crest Hwy. 848 Comment
  UC1293683  Cryptantha microstachys P. C. Everett and E. K. Balls 1959-6-2 23837 Los Angeles 1 mi ne Stokes Canyon entrance; Santa Monica Mts. 182 Comment
  POM3953  Cryptantha microstachys C. F. Baker 1904-5-4 4779 Los Angeles Hills near Claremont. Comment
  UCR108379  Cryptantha muricata L. C. Wheeler 1967-5-18 9616 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  UCR276880  Cryptantha muricata R. G. Swinney 2011-6-7 15089 Los Angeles San Gabriel Mountains, summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory 1780 Comment
  UCSB5599  Cryptantha muricata B., K. 1943-6-10 Los Angeles Firebreak above 5100 foot contour, head of San Dimas Canyon, San Dimas Experimental Forest, San Gabriel Mtns. Comment
  RSA0079239  Cryptantha muricata var. denticulata R. G. Swinney 1999-6-18 7281 Los Angeles San Gabriel Mtns.: Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1683 Comment
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Aug 26 2018
  RSA0079158  Cryptantha muricata var. denticulata R. F. Thorne, John Olmsted 1965-8-26 35368 Los Angeles San Gabriel Mts.: Angeles National Forest, along Blue Ridge near upper end of Holiday Hill Ski Lift. 2470 Comment
  RSA0079360  Cryptantha muricata var. muricata Steve Boyd, Lauren Raz 1997-3-31 9395 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
  RSA0079281  Cryptantha muricata var. muricata Frances L. Cramer 1934-3-15 s.n. Los Angeles Santa Susana Pass. Comment
  RSA756180  Cryptantha nevadensis var. rigida Orlando Mistretta 2008-4-3 2267 -a Los Angeles Transverse Ranges; Liebre Mountains region: Southern California Edison transmission line tower (Segment 5, Structure 62, per TRTP survey 2008) just North of State Hwy 14 in the vicinity of Soledad Pass Comment
  RSA590862  Cryptantha oxygona Orlando Mistretta 1994-4-12 1035 Los Angeles San Gabriel Mountains: Little Rock Creek. Slopes E of Little Rock Reservoir. 976 Comment
  RSA756956  Cryptantha oxygona Orlando Mistretta, Christine Mistretta 2008-4-14 2455 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
  UC1168710  Cryptantha pterocarya Peter H. Raven 1958-3-23 11962 Los Angeles 4.3 mi s Pearblossom (along road, above Big Rock Creek) Comment
  UCR269994  Cryptantha similis R. G. Swinney 2010-5-19 12799 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
  SEINET10625786 Image available Cucumis sativus Mary Merello, Heidi H. Schmidt 1999-12-3 Merello 2510 Los Angeles City of Pasadena. Hye Produce, 1760 E. Washington. Comment
  RSA657937  Cuscuta californica Joseph M. Keefe 2000-12-12 s.n. Los Angeles Fire Road east of Aviation Buildings, Glendale College, 1500 North Verdugo Road, Glendale, 91208. 244 Comment
  UC124468  Cuscuta californica Katharine Brandegee 1905-1 Los Angeles Ramona Comment
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Jun 1 2018
  SEINET810016  Cuscuta californica Lewis S. Rose 1946-1 46235 Los Angeles Los Angeles County, s. slope of Cahuenga Peak, Los Angeles 304 Comment
  RSA762333  Cuscuta subinclusa R. G. Swinney 2008-11-30 9861 Los Angeles Azusa, San Gabriel River Channel, 1.2 mi. north of Foothill Blvd. at mouth of Fish Canyon. 204 Comment
  RSA409718  Cuscuta subinclusa George Price 1967-5-20 s.n. Los Angeles Whittier narrows Comment
  UCD127351  Cyclospermum leptophyllum A. R. Roos 1958-5-29 s.n. Los Angeles A parking strip on the 1900 block of Westwood Blvd. Comment
  SBBG57105  Cynodon dactylon M. N. Ackley -Aug-1928 36 Los Angeles Eagle Rock Comment
  CATA1295  Cyperus eragrostis Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2384 Los Angeles Santa Catalina Island: By upper Cape Canyon Reservoir 323 Comment
  RSA610522  Cyperus eragrostis L. C. Wheeler 1933-7-7 1923 Los Angeles Lexington Wash near El Monte. 73 Comment
  RSA365078  Cyperus eragrostis Robert Gustafson 1980-9-16 1921 Los Angeles Ballona Wetlands Comment
  UCR126551  Cyperus esculentus Mark A. Elvin, Kim Marsden 2003-8-8 2977 Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River, c. 100 m east of the Ventura Co. line 290 Comment
  CAS-BOT-BC114305  Cyperus esculentus Ivan Murray Johnston 1918-7-29 2108 Los Angeles Covina. 152 Comment
  RSA365081  Cyperus esculentus Joseph A. Ewan 1931-7-31 4776 Los Angeles Telegraph Road at Rio Hondo River. Comment
  UC2026508  Cyperus involucratus Louis C. Wheeler 1946-11-10 6442 a Los Angeles ROSEMEAD: Rio Hondo at Garvey Avenue. Comment
  RSA584862  Cytisus monspessulanus T. S. Ross 1993-6-1 7365 a Los Angeles NW margin of Chantry Flat. 665 Comment
  RSA650357  Dactylis glomerata Nancy Gould 1977-5-13 24 Los Angeles Cal Poly Campus, Pomona. Comment
  UCR83252  Dactylis glomerata N. M. Fellows 1983-6-5 s.n. Los Angeles Near the crest of Blue Ridge above Big Pines 2226 Comment
  RSA187916  Datura wrightii Robert F. Thorne 1966-9-14 36632 Los Angeles Santa Catalina Island. Middle Ranch, Middle Ranch Canyon. Margin of reservoir. 198 Comment
  RSA658420  Datura wrightii Erinn Wilson 1996-5-17 6 Los Angeles G canyon on Cal Poly Campus Pomona Comment
  CATA1258  Daucus pusillus Mark L. Hoefs, Douglas R. Hoefs 1995-6-29 2342 Los Angeles Santa Catalina Island: By Empire Landing Road near quarry 124 Comment
  RSA654342  Daucus pusillus Valerie L. Soza, Laura Moore 2000-5-30 969 Los Angeles Liebre Mountains: San Francisquito Canyon, at Los Angeles Dept of Water and Power San Francisquito Power Plant No. 2 and USFS Fire Station, W of San Francisquito Canyon Road. 487 Comment
  RSA470775  Daucus pusillus Jack Rempel 1932-3-19 15265 Los Angeles El Segundo. Comment
  CAS-BOT-BC130933  Deinandra clementina W. M. Heusi 1930-11-5 111 Los Angeles Pebble Beach, Santa Catalina Island Comment
  CAS-BOT-BC130938  Deinandra clementina Geo. B. Grant 1906-9-1 7166 Los Angeles Avalon, Catalina Is. Comment
  SD90456  Deinandra clementina Robert F. Thorne 1973-4-12 42888 Los Angeles San Clemente Island, plateau near Cutlass above old dam 199 Comment
  UCD131034  Deinandra clementina R. M. Beauchamp; T. Oberbuaer 1975-8-25 22693 Los Angeles Iwo Jima Gulch, tributary of China Canyon, San Clemente Island. 170 Comment
  SBBG90430  Deinandra fasciculata M. C. Hochberg 1985-4-7 1210 Los Angeles Little Springs Cyn 243 Comment
  CAS-BOT-BC299311  Deinandra fasciculata E. M. Anderson; I. W. Clokey 1935-5-9 6948 Los Angeles Pomona Hills 400 Comment
  CAS-BOT-BC294073  Deinandra kelloggii J. Grinnell 1903-6-30 s.n. Los Angeles Pasadena Comment
  CAS-BOT-BC294078  Deinandra kelloggii David D. Keck 1933-9-19 2534 Los Angeles Brea Canyon, 3 mi. N. of Orange County line Comment
  SD237329  Deinandra minthornii Jonas A. Winbolt, Rocky Brown 2010-8-23 1 Los Angeles Western Transverse Range: east side of Simi Hills, Chatsworth, west of drainage within Santa Susanna Historical Park, near Oak Park Cemetary. 321 Comment
  SFV11726  Deinandra minthornii G. F. Fisler, J. W. Dole 1980-3-24 s. n. Los Angeles Santa Susana Mountains Chatsworth. Iverson Road and Simi Valley Freeway. Comment
  LA200785  Delphinium cardinale Jonathan Sauer; D. Bradbury 1969-7-14 4601 Los Angeles Comment
  UC450963  Delphinium cardinale F. A. MacF. 1931-6-24 2958 Los Angeles hillsides Verdugo Hills, Tuna Canyon Comment
  POM152  Delphinium cardinale C. Vesta Sturges 1908-6-6 s.n. Los Angeles Claremont. 400 Comment
  SBBG54425  Delphinium cardinale Greg Wright 1971-6-21 177 Los Angeles W of intersection of San Dimas Cyn Rd and Golden Hills Rd, N of San Dimas Cyn Golf Course 365 Comment
  UCR125562  Delphinium parryi A. C. Sanders, Mark Elvin 2003-4-14 25982 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
  UCSB46627  Delphinium parryi Welton, Patti 1983-3-28 Los Angeles 2.2 miles north of Malibu Canyon Road; on southwest side of Mulholland Hwy 487 Comment
  UC854179  Delphinium parryi subsp. maritimum John I. Carlson 1915-6-13 Los Angeles Avalon Santa Catalina Island Comment
  LA200788  Delphinium parryi subsp. parryi Jonathan Sauer; D. Birindelli, et. al. 1969-6-4 4566 Los Angeles Santa Monica Mountains, Saddle Peak, near Saddle Peak Comment
  UC912668  Delphinium parryi subsp. purpureum Herbert L. Mason 1926-4-26 2966 Los Angeles summit of 1st grade Mint Canyon Road Comment
  RSA0005325  Delphinium parryi var. montanum P. A. Munz 1923-5-26 6846 Los Angeles head of Vincent Gulch. 2012 Comment
  UCR149347  Delphinium patens R. G. Swinney 1998-4-4 5914 Los Angeles San Gabriel Mtns, Evey Canyon, c. 0.75 mi. west of Mt. Baldy Rd., c. 0.3 mi. (air) NE of Potato Mtn. 793 Comment
  RSA400036  Delphinium patens subsp. hepaticoideum Bonnie C. Templeton 1931-4-12 s.n. Los Angeles Mandeville Canyon 400 Comment
  RSA783866  Delphinium variegatum subsp. kinkiense Bart O'Brien, Jason Koontz, Bryan Munson 2012-4-23 2012 12 F Los Angeles San Clemente Island. Twin Dams. N-NE facing slope. 468 Comment
  SBBG13030  Dendromecon harfordii E. R. Blakley 1962-10-3 5387 Los Angeles E side of Black Jack Mtn at the start of rd to White's Landing 411 Comment
  RSA599501  Dendromecon rigida Steve Boyd, Lauren Raz 1997-3-26 9326 Los Angeles Liebre Mountains region: Portal Ridge north of Lake Hughes, upper end of Myrick Canyon drainage along Lakeview Road. 1097 Comment
  UC855071  Dendromecon rigida I. W. Clokey and B. C. Templeton 1930-4-8 4720 Los Angeles San Francisquito Canyon San Francisquito Canyon (hillsides) 700 Comment
  RSA311357  Deschampsia danthonioides R. F. Thorne 1969-7-2 38219 Los Angeles San Gabrial Mountains, Angeles National Forest: Charlton Flats burn (of 1954), 1601 Comment
  UCR190458  Descurainia pinnata R. G. Swinney 2001-4-18 7888 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap, east of Bobs Gap Road at base of ridge 1223 Comment
  UC56411  Descurainia pinnata subsp. menziesii Ernest Braunton Mar 1903 841 Los Angeles Playa del Rey Comment
  RSA597122  Dicentra chrysantha Tim S. Ross 1990-6-22 3714 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon. 1939 Comment
  JEPS9551  Dicentra chrysantha Frank W. Peirson 1918-6-10 56 Los Angeles Mt. Markham; San Gabriel Mountains 1615 Comment
  POM21346  Dicentra chrysantha Fordyce Grinnell Jr. 1917-7-29 s.n. Los Angeles Mt. Lowe, San Gabriel Ridge. 1616 Comment
  UCD95522  Dicentra formosa Orlando Mistretta 1976-5-15 19 Los Angeles 5.5 miles N of Compton on Highway 49. 914 Comment
  UCR128157  Dicentra ochroleuca Mark A. Elvin, Cathleen Weigand 2003-5-22 2901 Los Angeles Western Transverse Range; Santa Susana Mtns., crest of mountains at head of Salt Canyon, Newhall Ranch 915 Comment
  UCR258839  Dichelostemma capitatum R. G. Swinney 2010-3-22 12035 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  SEINET13693709  Diplacus aurantiacus G. B. Grant 1904-4-20 285 Los Angeles Santa Catalina Island. Comment
  CAS-BOT-BC152895  Diplacus brevipes F. A. M. 1930-4-1 s.n. Los Angeles Tuna Canyon, Verdugo Hills Comment
  CHSC20788  Diplacus fremontii Robert A. Schlising 1968-4-12 2881 Los Angeles SE of Pearblossim; Fort Tejon Road near 165th Street. Comment
  CDA1335  Diplotaxis muralis Michael O Brien 2007-5-27 1 -Jul Los Angeles Malibu Bluffs Community Park. Stream edge near Landon Center. Comment
  SBBG56838  Distichlis spicata R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  SBBG62190  Dodecahema leptoceras Anstruther Davidson -May-1893 Los Angeles Newhall Comment
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Jan 25 2016
  UCR3770  Dodecatheon clevelandii subsp. insulare 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
  RSA250554  Dodecatheon redolens Robert F. Thorne, John Dourley 1967-10-3 37280 Los Angeles Mt. Baden-Powell: Lamel Spring 2378 Comment
  RSA637483  Drymocallis glandulosa var. glandulosa Valerie L. Soza, LeRoy Gross 1999-7-15 623 Los Angeles San Gabriel Mountains: Mt. Wilson Trail, north of junction with Upper Winter Creek Trail, southeastern side of Mount Harvard. 1341 Comment
  RSA0081627  Dryopteris arguta R. G. Swinney 2010-8-30 13637 Los Angeles East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream. 595 Comment
  UCR146526  Dryopteris arguta Scott D. White 2004-7-28 10652 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
  RSA584217  Dryopteris arguta T. S. Ross, Orlando Mistretta 1993-5-27 7337 Los Angeles W end of the San Gabriel Mountains: Wilson Canyon, along the riparian strip. 588 Comment
  RSA670383  Dryopteris arguta I. W. Clokey, B. C. Templeton 1929-05 4539 Los Angeles Mandeville Canyon, Santa Monica Mountains 350 Comment
  LA210118  Dudleya cymosa subsp. ovatifolia K. Nakai; 1980-5-25 608 Los Angeles Santa Monica Mountains, Arroyo Sequit, Arroya sequit in UCLA-NLWRS Reserve next to camp JCA (Jewish Community Association) ca. 2.5 km S of junction of Mullholland Highway and Little Sycamore Rd. on Mullholland Highway 88 Comment
  RSA83411  Dudleya lanceolata F. W. Peirson 1906-7-10 1934 Los Angeles Rustic Canyon, Santa Monica Mtns. Comment
  CATA3556  Dudleya virens subsp. insularis Peter J. Dixon 2018-6-18 120 Los Angeles Santa Catalina Island: Interior; Isthmus Road, Deer Springs watershed, +/- 0.75 mi N. of Tower Peak, 2 mi W. of village of Two Harbors. Rocky road embankment, breccia, volcanic. 0 Comment
  UCR210684  Dysphania ambrosioides R. G. Swinney 2008-10-22 9670 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
  UCR217826  Dysphania multifida Dan S. Cooper 2010-7-7 710- 86 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  RSA188328  Echinochloa crus-galli R. F. Thorne 1966-5-31 36427 Los Angeles Santa Catalina Island: Avalon. 8 Comment
  SEINET11676826  Echinochloa muricata J. F. Bright, Wyman, C. 1931-1 5726 Los Angeles Hollywood Comment
  RSA600782  Echinodorus berteroi L. C. Wheeler 1949-6-22 6708 Los Angeles Altadena, Devil's Gate Dam 321 Comment
  RSA0042315  Ehrharta calycina Mark L. Hoefs, Steven A. Junak, J. Travis Columbus 2001-5-25 3197 Los Angeles Santa Catalina Island: Upper Bulrush Canyon, below 2nd reservoir. 304 Comment
  CAS-BOT-BC113041  Eleocharis montevidensis I. Johnston 1917-5-30 1132 Los Angeles Chino Creek south of Ontario 152 Comment
  CHSC118270  Eleocharis parishii P. F. Zika; Nick Otting 2010-8-4 25260 Los Angeles W and S shores of Jackson Lake, Big Pines Highway. San Gabriel Mountains (SnGb). 1860 Comment
  RSA610732  Eleocharis parishii L. C. Wheeler 1932-9-20 1405 Los Angeles Los Angeles R. [river] at Los Feliz Boulevard. Alt. 400 ft. 122 Comment
  SBBG59172  Eleocharis radicans R. Hoffmann 1927-8-31 Los Angeles near lake, Palmdale Comment
  UC303939  Eleocharis radicans I. Johnston 1916-12-29 26 Los Angeles Claremont, swamp just S of town Comment
  IRVC28563  Eleusine indica A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27132 Los Angeles Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle NE end of Santa Susana Mtns. 280 Comment
  UCR126829  Elymus condensatus A. C. Sanders 2003-6-19 26978 Los Angeles Western Transverse Range/Santa Clara River Watershed, hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch 412 Comment
  UCR154221  Elymus condensatus A. C. Sanders, T. B. Salvato 2005-5-24 30250 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon NW of community of Mint Canyon, tributary of Santa Clara River 518 Comment
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Dec 18 2009
  UCR166707  Elymus elongatus Scott D. White, Jennifer H. Jones 2005-6-23 11148 Los Angeles San Gabriel Mtns, Acton area. South of Powerline access road (ANF 4N32), between Arrastre Canyon and Moody Canyon 1098 Comment
  POM50623  Elymus elymoides A. D. E. Elmer 1902-06 3749 Los Angeles Lancaster. Comment
  RSA729101  Elymus elymoides R. G. Swinney 1999-7-5 7504 Los Angeles San Gabriel Mtns.:Head of Cedar Canyon, ridge c. 200 m north of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2. 2323 Comment
  UCD94957  Elymus elymoides A. D. E. Elmer 1902-7-1 s.n. Los Angeles Acton, SW of Palmdale, NE of Los Angeles. Comment
  UCR189972  Elymus elymoides R. G. Swinney 1998-8-27 6820 Los Angeles San Gabriel Mtns., West Baldy Peak 3040 Comment
  UCR193995  Elymus elymoides R. G. Swinney 1998-8-13 6747 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  RSA709691  Elymus elymoides subsp. elymoides LeRoy Gross 2005-4-28 2180 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Than dropped off ridge into canyon bottom back to origin. 1235 Comment
  RSA725758  Elymus glaucus A. C. Sanders 2003-5-1 26249 Los Angeles Western San Gabriel Mtns.: southeast side of Castaic Mesa, east of Lake Hughes Rd. and the filtration plant, Newhall Ranch. 396 Comment
  CAS-BOT-BC206738  Elymus glaucus subsp. glaucus Lewis S. Rose 1946-7-21 46230 Los Angeles N end of Hollywood Reservoir 228 Comment
  CAS-BOT-BC206746  Elymus glaucus subsp. glaucus H. M. Hall 1901-6-1 2478 Los Angeles Tamarack Valley - San Jacinto Mountains 2804 Comment
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Oct 10 2020
  CAS-BOT-BC206752  Elymus glaucus subsp. glaucus H. M. Hall 1901-6-20 2207 Los Angeles South side San Jacinto Mountains. 1645 Comment
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Oct 10 2020
  CATA1716  Elymus glaucus subsp. glaucus Mark L. Hoefs, Steven A. Junak, Melissa Askew 1999-7-15 3057 Los Angeles Santa Catalina Island: Lower Bulrush Canyon 262 Comment
  RSA0103343  Elymus hispidus R. G. Swinney 2011-5-19 14792 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), near entrance gate to camp, 0.54 miles at 84 deg SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Colby Cyn. 1018 Comment
  SBBG33431  Elymus multisetus A. D. E. Elmer -Jun-1902 3644 Los Angeles Acton Comment
  RSA678132  Elytrigia intermedia subsp. intermedia Valerie L. Soza, Naomi Fraga 2001-6-27 1302 Los Angeles San Gabriel Mountains region: Sunset Ridge Fire Road (FS Road 2N07), 0.7 mile east of Glendora Ridge Road, west of Sunset Peak. 1433 Comment
  POM3679  Emmenanthe penduliflora P. A. Munz 1918-5-26 2275 Los Angeles Claremont. Near mouth of Live Oak Canyon. Comment
  RSA784336  Emmenanthe penduliflora J. D. Olmsted 1959-4-22 449 Los Angeles Drainage area to San Dimas Creek. Sycamore Canyon 0.25 mi past locked firegate along Wildwood T.T. 427 Comment
  SEINET12271175  Emmenanthe penduliflora Unknown 1933-1 8511 Los Angeles Hollywood hills Comment
  UCR270245  Emmenanthe penduliflora var. penduliflora R. G. Swinney 2011-7-7 15441 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  CAS-BOT-BC131193  Encelia californica R. M. Beauchamp 1967-1-29 151 Los Angeles In canyon west and below Marine Outpost above Pyramid Cove, San Clemente Island Comment
  CAS-BOT-BC131198  Encelia californica W. R. Dudley 1895-1-4 s.n. Los Angeles At San Pedro Comment
  POM4939  Encelia californica I. M. Johnston 1917-4-11 s.n. Los Angeles Dominguez Mesa Comment
  RSA85181  Ephedra viridis F. W. Peirson 1923-5-27 3532 Los Angeles small canyon on Pinyon Ridge, Rock Creek, north slope of San Gabriel Mountains 1295 Comment
  JEPS39236  Epilobium brachycarpum Frank W. Peirson 1918-8-16 126 Los Angeles San Antonio Canyon San Gabriel Mountains, San Antonio Mts. 1341 Comment
  UCR147274  Epilobium canum Orlando Mistretta 1992-8-20 760 Los Angeles Transverse Ranges; San Gabriel Mtns, Mt. Gleason Management Unit; Mt Gleason, Tujunga Ranger District 1698 Comment
  CAS-BOT-BC166248  Epilobium canum subsp. canum Fordyce Grinnell 1915-11-1 s.n. Los Angeles Echo Mts., near Pasadena Comment
  LA202759  Epilobium canum subsp. canum Barry A. Prigge; 2011-10-20 16132 Los Angeles Santa Monica Mountains, Mt Bell, Griffith Park, Mt Hollywood Trail ca 70 m E (upslope) of junction with Vista del Valle Dr Comment
  RSA638923  Epilobium canum subsp. canum Louis C. Wheeler 1946-8-27 6249 Los Angeles San Gabriel Mountains: Angeles Forest Highway opposite junction of Mill Creek & Big Tujunga Canyon 869 Comment
  RSA0116117  Epilobium canum subsp. latifolium R. G. Swinney 2011-10-13 15785 Los Angeles San Gabriel Mountains; Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek. 1573 Comment
  RSA0116574  Epilobium ciliatum R. G. Swinney 2010-9-30 13935 Los Angeles San Gabriel Mountains; 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon. 2305 Comment
  UCR204563  Epilobium ciliatum R. G. Swinney 2005-8-5 8380 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR103766  Epilobium densiflorum David Charlton 1989-6-10 3214 Los Angeles Tehachapi Mtns., Tejon Pass, [Tejon Post Rd] Gorman Post Rd., 1 mile [S]SE of Gorman, alkali spring at the electric substation. 1098 Comment
  RSA0087048  Epilobium glaberrimum R. G. Swinney 2010-9-9 13794 Los Angeles Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  SBBG58832  Epipactis gigantea E. Crow 1930-6-29 Los Angeles between Camp Coldwater and Pine Flats Comment
  SBBG127576  Epipactis helleborine A. C. Sanders with T. B. Salvato 2009-5-19 36838 Los Angeles under SCE powerlines S of Montebello Blvd and W of Plaza Dr, S of large shopping mall (Montebello Town Center); Montebello Hills 110 Comment
  RSA640898  Equisetum laevigatum L. C. Wheeler 1967-8-2 10292 Los Angeles San Gabriel Mountains, Angeles National Forest: Sheep Camp Spring, W slope Mt. Pacifico 1951 Comment
  RSA585672  Equisetum laevigatum T. S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3341 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon 1255 Comment
  CAS-BOT-BC284122  Eragrostis pectinacea var. pectinacea John Thomas Howell 1927-9-30 3126 Los Angeles Los Angeles River bed east of Griffigh Park, Los Angeles Comment
  RSA657156  Eremocarpus setiger Joseph M. Keefe 2001-1-19 30911 Los Angeles Along footpath between Betty Place and intersection of Upperton Avenue and Buena Vista Terrace and Nolden Street; ridge between Eagle Rock Valley and York Valley (Highland Park); Los Angeles; 90042. 244 Comment
  UC153537  Eremocarpus setiger LeRoy Abrams 1902-8-20 2966 Los Angeles near Inglewood Comment
  RSA0104657  Eriastrum densifolium subsp. austromontanum S. Zona, D. Arias, Oscar Dorado, M. Hanson, Jose Luis Villasenor 1989-6-21 s.n. Los Angeles Mountain High Ski Resort: W of Wrightwood, N slopes of San Gabriel Mts. 2017 Comment
  RSA0107965  Eriastrum densifolium subsp. austromontanum Thos. Craig, M. Hilend 1927-11-11 525 Los Angeles Mint Canyon. Comment
  CATA3128  Eriastrum filifolium Amy Catalano 2016-5-26 134 Los Angeles Santa Catalina Island: South facing slope on north side of Buffalo Springs Reservoir, southwest of lower Buffalo Springs Reservoir 379 Comment
  UC574949 Image available Eriastrum pluriflorum Philip A. Munz and T. Craig 1933-5-13 12925 Los Angeles 10 mi s Muroc; ; S of Muroc, Los Angeles Co. Comment
  UCR231914  Eriastrum rosamondense Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-18 7993 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, 100 m west of Sierra Highway and 200 m south of Avenue A 703 Comment
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Mar 29 2014
  CAS-BOT-BC514939  Eriastrum sapphirinum subsp. brevibracteatum A. D. E. Elmer 1902-6-1 3666 Los Angeles Palmdale Comment
  RSA0121262  Eriastrum sapphirinum subsp. dasyanthum Geo L. Moxley 1917-5-30 s.n. Los Angeles Eagle Rock. Comment
  SD113887  Eriastrum sapphirinum subsp. dasyanthum D. F. Howe June 1915 77 Los Angeles Claremont. Comment
  SD52462  Eriastrum sapphirinum subsp. dasyanthum Skip Stone 1952-6-5 89 Los Angeles Blanchard Park, Claremont. San Gabriel Mountains. 334 Comment
  RSA670684  Ericameria cooperi B. C. Templeton 1947-5-21 6279 Los Angeles Bouquet Canyon, Angeles Natl. Forest. 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
  UCR13708  Ericameria cuneata N. R. Zabriskie, W. W. Zabriskie 1972-10-15 542 Los Angeles San Gabriel Mtns., along Mt. Wilson Road, just below turnout at 3.19 1707 Comment
  RSA712175  Ericameria cuneata var. cuneata R. G. Swinney 1997-8-19 5822 Los Angeles San Antonio Peak (=Lookout Mountain), 60-100 m SE of summit. 2052 Comment
  CAS-BOT-BC286886  Ericameria ericoides Le Roy Abrams 1898-12-1 199 Los Angeles Ballona Harbor Comment
  UCR186657  Ericameria linearifolia A. C. Sanders 2006-5-16 32354 Los Angeles Tehachapi Mtns. Foothills, off Gorman Post Rd. near the Bailey Substation, c. 1 mile west of Quail Lake 1067 Comment
  UCR187009  Ericameria linearifolia A. C. Sanders 2006-4-25 32177 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  UCR259613  Ericameria nauseosa subsp. consimilis R. G. Swinney 2010-9-7 13675 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  RSA774619  Ericameria nauseosa var. bernardina R. G. Swinney 2009-7-29 11423 Los Angeles Pacifico Mountain summit 2134 Comment
  UC203111  Ericameria nauseosa var. hololeuca H. M. Hall 1917-10-26 10577 Los Angeles near High School; Lancaster Comment
  CAS-BOT-BC298042  Ericameria nauseosa var. mohavensis Timothy S. Ross; Steve Boyd 1994-9-21 8279 Los Angeles Liebre Mts. Vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1708 Comment
  SD72774  Ericameria nauseosa var. oreophila F. R. Fosberg 1931-11-22 7059 Los Angeles Big Pines Playground, San Antonio Mountains. 1900 Comment
  RSA604512  Ericameria palmeri var. pachylepis Mark Hoefs 1995-11-10 349 Los Angeles Santa Catalina Island: by lower road to Empire Landing, toward beach. 24 Comment
  UC1118786  Ericameria palmeri var. pachylepis P. L. Johannsen 1933-12-14 204 Los Angeles 1 mi e and 1 mi s Calabasas; Calabasas Quadrangle Comment
  RSA0103911  Ericameria parishii R. G. Swinney 2011-10-10 15749 Los Angeles San Gabriel Mountains: east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1537 Comment
  LA202521  Ericameria parishii var. parishii T. Brothers; 1983-8-9 sn Los Angeles San Gabriel Mountains, Devil's Canyon, on shoulder of dirt road, San Gabriel River watershed Comment
  OBI5767  Ericameria parishii var. parishii Carl B. Wolf 1931-10-20 2470 Los Angeles Just below the Padua Hills Theatre; above Claremont, west slope of San Gabriel Mts Comment
  CAS-BOT-BC293154  Ericameria pinifolia H. E. McMinn 1925-8-6 1557 Los Angeles Sawpit Canon [Canyon] Wash Comment
  OBI5700  Ericameria pinifolia Carl B. Wolf 1931-5-13 1996 Los Angeles Pacoima wash, near bridge on the road from Tujunga to San Fernando 366 Comment
  POM39773  Ericameria pinifolia H. E. Hasse 1890-09 s.n. Los Angeles Sierra Santa Monica. [Santa Monica Mountains]. Comment
  SD69733  Erigeron bonariensis Robert F. Thorne 1966-4-28 36187 Los Angeles Santa Catalina Island; Avalon, at SCI Co. parking lot. 14 Comment
  SEINET10617826  Erigeron divergens David B. Dunn 1949-7-1 Dunn s.n. Los Angeles Growing at U.C.L.A. in soil collected at Harvey's Gate, Socorro County, New Mexico. Comment
  CAS-BOT-BC296195  Erigeron foliosus var. foliosus W. R. Dudley 1907-11-22 s.n. Los Angeles Near Monrovia Comment
  RSA640960  Eriodictyon crassifolium Louis C. Wheeler 1931-7-22 s.n. Los Angeles Johnson Pasture, near old gravel pit: (vicinity of Claremont). 480 Comment
  UCR271526  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2011-5-31 14901 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  SFV16065  Eriodictyon trichocalyx P. A. Krueger 1994-5-18 36 Los Angeles San Gabriel Mountains 5.5 miles north on Mount Lowe Truck Trail from Chaney Trail. 900 Comment
  LA205723  Eriodictyon trichocalyx var. trichocalyx D. Bradbury; J. Sauer, L. Wester 1969-10-19 4658 Los Angeles San Gabriel Mountains, Mount Pacifico 2133 Comment
  RSA310138  Eriodictyon trichocalyx var. trichocalyx Wayen E. Sawyer 1981-6-18 55 Los Angeles CA hwy 2 Between Dawson Saddle and Jct of Hwy 39, 1.6 mi from Dawson Saddle. 2302 Comment
  IRVC28811  Eriogonum angulosum A. C. Sanders 2003-8-5 27112 Los Angeles Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters NE end of Santa Susana Mtns. 320 Comment
  CAS-BOT-BC244059  Eriogonum brachyanthum A. D. E. Elmer 1902-6-1 3688 Los Angeles Acton Comment
  RSA393107  Eriogonum brachyanthum Anstruther Davidson 1901-8-1 1477 Los Angeles Rock Creek [Los Angeles or Ventura County]. Comment
  CAS-BOT-BC241894  Eriogonum cinereum Mrs. H. P. Bracelin 1931-10-11 570 Los Angeles Lower Topanga Canyon, about one and one-half miles east of ocean beach. Santa Monica Mts. Comment
  UCD105103  Eriogonum cinereum M. Vincent 1962-12-5 311 Los Angeles Santa Monica Mountains, Mulholland Highway one mile east of Las Virgenes Road. Comment
  UCR17952  Eriogonum cinereum Edith A. Purer 1932-8-31 s.n. Los Angeles Southern Coast, Palos Verdes Hills 244 Comment
  JEPS86551  Eriogonum davidsonii Roy E. Buck 1988-5-29 912 Los Angeles ca. 3.1 rd. mi s on Largo Vista Rd., on e side of road CA Hwy. 138 (ca. 0.3 air km e of 4200' elev. on wash draining Grandview Canyon, 14 air km ese of Pearblossom); Antelope Valley 1280 Comment
  POM2280  Eriogonum davidsonii I. M. Johnston 1917-7-3 1406 Los Angeles San Antonio Canyon 1829 Comment
  UCR182851  Eriogonum davidsonii R. G. Swinney 1997-8-6 5764 Los Angeles San Gabriel Mtns, Table Mountain area, ridge immediately east of Jesus Canyon, at north end of road 4N57, NW of Wrightwood 1890 Comment
  CAS-BOT-BC242779  Eriogonum davidsonii R. J. Dobbs 1927-6-29 7680 Los Angeles Trail to Strawberry Peak, 2 1/2 miles from Switzers 1127 Comment
  RSA766421  Eriogonum davidsonii Joseph A. Ewan 1932-6-17 7244 Los Angeles N slope of Mt Disappointment. San Gabriel Mtns. 1799 Comment
  CAS-BOT-BC246424  Eriogonum deflexum var. deflexum James L. Reveal 1988-5-17 6795 Los Angeles Antelope Valley, along 60th Avenue 0.2 mile north of J Street, on the west side of the highway west of the Mira Loma Rehabilitation Center (or Detention Facility), about 6 air miles west of Lancaster 716 Comment
  RSA393301  Eriogonum elongatum var. elongatum M. Bisbee 1917-9-20 148 Los Angeles North hills, Eagle Rock 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
  UCR269594  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2011-6-29 15370 Los Angeles San Gabriel Mountains, Mill Creek, from 50 to 300 meters downstream (south) from Monte Cristo Campground 1082 Comment
  RSA766098  Eriogonum fasciculatum var. foliolosum Joseph A. Ewan 1931-3-21 4071 Los Angeles Summit, Saddle Peak. Santa Monica Mts. 823 Comment
  UC83223  Eriogonum fasciculatum var. foliolosum Le Roy Abrams 1902-7-5 1559 Los Angeles Azusa Comment
  UC77570  Eriogonum giganteum J. W. Toumey 1894-9-3 Los Angeles Catalina Island Comment
  SBBG113970  Eriogonum giganteum var. formosum R. Moran 1958-9-16 6843 Los Angeles cyn 2 mi SE of Eel Pt 100 Comment
  CAS-BOT-BC250305  Eriogonum giganteum var. giganteum Geo. B. Grant 1906-9-1 7160 Los Angeles Catalina Is., Moonstone Beach Comment
  RSA393370  Eriogonum giganteum var. giganteum F. R. Fosberg 1931-7-9 S 5358 Los Angeles Avalon, Santa Catalina Island. 30 Comment
  RSA766141  Eriogonum gracile Raymond J. Dobbs 1922-8-3 s.n. Los Angeles San Gabriel Mountains. Lower arroyo near Teddy 396 Comment
  RSA393233  Eriogonum gracile var. gracile Robert Gustafson 1981-7-15 2338 Los Angeles Ballona Wetlands, Area 2. Comment
  OBI5899  Eriogonum heermannii Carl B. Wolf 1931-11-8 2629 Los Angeles Big Rock Creek, Desert Slope of San Gabriel Mts, 1/8 mi below Big Rock Ranger Station 1067 Comment
  UCR210166  Eriogonum nudum subsp. pauciflorum R. G. Swinney 2008-8-13 9398 Los Angeles San Gabriel Mtns., Big Rock Creek, 1.0 mi. east of Fenner Canyon 1793 Comment
  RSA780690  Eriogonum ordii Sandy Leatherman, Pam De Vries 2011-4-28 2011 -8 Los Angeles Transverse Ranges; Liebre Mountains region; directly north of Esguerra Road, 2,220 meters east of Boquet Canyon Road in Santa Clarita. 491 Comment
  RSA729307  Eriogonum parishii R. G. Swinney 1998-7-2 6231 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  UC1600950  Eriogonum parishii H. S. Yates 1936-8-28 6365 Los Angeles Big Pine Park San Antonio Quadrangle, Big Pine Park Comment
  UCR85824  Eriogonum parishii T. S. Ross 1991-8-16 5863 Los Angeles San Gabriel Mtns, Horse Flats (S end) 1741 Comment
  RSA755947  Eriogonum saxatile R. G. Swinney 2008-7-24 9292 Los Angeles Waterman Mountain 2412 Comment
  RSA424904A  Eriogonum saxatile M. A. Salazar 1969-8-12 s.n. Los Angeles San Gabriel Mountians: Mt. Baden Powell, ca. 5.0 mi. west of Big Pines 2439 Comment
  RSA766272  Eriogonum saxatile Joseph A. Ewan 1936-7-29 9874 Los Angeles So. end of Summit of Table Mt. 2134 Comment
  CAS-BOT-BC262861  Eriogonum thurberi Cecil Hart 1923-6-17 s.n. Los Angeles San Gabriel River Comment
  UC1584268  Eriogonum thurberi Tim Ross, Steve Boyd 1990-6-6 2849 Los Angeles Green Valley Pasture in San Francisquito Canyon San Francisquito Canyon, Lake Hughes USGS 7.5' quad. 926 Comment
  CAS-BOT-BC268210  Eriogonum umbellatum var. munzii Frank W. Peirson 1922-7-5 4684 Los Angeles Peak north of Big Pines Camp, San Gabriel Mountains 2209 Comment
  RSA601842  Eriogonum umbellatum var. munzii Steve Boyd, Tim S. Ross, Laura Moore, Valerie Soza 1997-7-8 10014 Los Angeles Liebre Mountains region: Upper northern flank of Liebre Mountain at head of Tentrock Canyon along dirt track northeast of Forest Service wildlife drinker site. 1585 Comment
  RSA569410  Eriogonum wrightii var. subscaposum Bonnie C. Templeton 1932-8-26 5101 Los Angeles Big Pines park, San Gabriel Mountains 2088 Comment
  RSA733569  Eriogonum wrightii var. subscaposum R. G. Swinney 1998-8-13 6739 Los Angeles San Gabriel Mtns.:Summit of Iron Mountain. 2427 Comment
  CAS-BOT-BC297933  Eriophyllum confertiflorum John I. Carlson 1918-4-24 s.n. Los Angeles Hollywood Comment
  CAS-BOT-BC297938  Eriophyllum confertiflorum J. Grinnell 1903-7-9 s.n. Los Angeles Scoville Hill, near Pasadena Comment
  CAS-BOT-BC297946  Eriophyllum confertiflorum Louis C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mts: Mill Canyon Comment
  CAS-BOT-BC297952  Eriophyllum confertiflorum Geo. B. Grant 1904-6-26 4162 Los Angeles Mt Lowe Comment
  POM294586  Eriophyllum confertiflorum Lyman Benson 1945-5-11 11683 Los Angeles Indian Hill, Claremont. Pacific Slope Drainage Area. 396 Comment
  POM6506  Eriophyllum confertiflorum P. A. Munz, L. T. Street, G. Williams 1919-4-19 2483 Los Angeles Lone Hill, Glendo. Comment
  UCR209944  Eriophyllum confertiflorum R. G. Swinney 2008-7-15 9206 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  RSA358199  Eriophyllum nevinii R. F. Thorne 1973-09 44720 Los Angeles Santa Catalina Island. Blue Cavern Point Comment
  JEPS5362  Eriophyllum pringlei F. W. Peirson 1921-5-19 1386 Los Angeles San Gabriel Mts., Little Rock Creek 1036 Comment
  RSA600554  Erodium botrys Louis C. Wheeler 1959-5-26 7534 Los Angeles San Gabriel Mountains: Confluence of Arroyo Seco and Prieto Canyon. Comment
  RSA598116  Erodium cicutarium Steve Boyd, Lauren Raz 1997-3-4 9141 Los Angeles Liebre Mountains region, southern base of the Sierra Pelona Ridge, Crown Valley just northwest of Governor Mine, ca 0.8 mi north of Sierra Highway along Crown Valley Road, disturbed and graded area associated with high-tension power lines. 610 Comment
  SBBG12295  Erodium cicutarium P. H. Raven 1962-4-9 17136 Los Angeles near barracks, Wilson Cove 60 Comment
  UC1130275  Erodium cicutarium P. L. Johannsen 1934-3-5 313 Los Angeles 1 mi ne Castac; Santa Susana Quad. 457 Comment
  UCR260003  Erodium cicutarium R. G. Swinney 2010-5-11 12630 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  SBBG19185  Erodium cicutarium M. A. Piehl 1963-12-8 631094 Los Angeles Cave Cyn, 0.25 mi from mouth 30 Comment
  RSA279115  Erodium moschatum Robert F. Thorne 1971-3-18 41496 Los Angeles Cobal Canyon, 3 miles N of Claremont 503 Comment
  UC557789  Erodium moschatum Nell Murbarger Mar 1936 77 Los Angeles San Clemente Island Comment
  POM2738  Erodium moschatum C. W. Emland 1919-04 s.n. Los Angeles Claremont. 366 Comment
  UC10535  Erysimum capitatum J. H. Barber 1897-6-29 217 Los Angeles Bear Canyon and Mt. Gleason summit Comment
  CAS-BOT-BC55210  Erysimum suffrutescens Edith Abigail Purer 1935-5-12 6598 Los Angeles El Segundo. Comment
  LA204414  Erysimum suffrutescens Mary Reynolds; 1937-3-14 7 Los Angeles El Segundo Comment
  CATA3433  Erythranthe guttata Ben Dion 2017-4-20 020 Los Angeles Santa Catalina Island: Near silver canyon waterfall on side of rockface 257 Comment
  CAS-BOT-BC166528  Erythranthe parishii R. G. Swinney 2005-7-21 8313 Los Angeles San Gabriel Mountains: Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  RSA479520  Eschscholzia caespitosa subsp. caespitosa Steve Boyd, T. S. Elias 1987-4-14 2059 Los Angeles Ridge between Pine Mountain and Silver Mountain, S of Rincon - Red Box Rd., N of Glendora. Comment
  CAS-BOT-BC403165  Eschscholzia californica Philip A. Munz 1925-4-23 9456 Los Angeles San Gabriel Canyon 487 Comment
  UC1126402  Eschscholzia californica P. L. Johannsen 1934-3-28 309 Los Angeles San Francisquito Canyon Santa Susana Quadrangle Comment
  UCR214595  Eucalyptus camaldulensis var. camaldulensis A. C. Sanders, Dan S. Cooper 2010-4-30 38139 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  CATA2921  Eucalyptus cladocalyx Sara L. Crockett, Michael Daligdig 1996-10-21 4 Los Angeles Santa Catalina Island: Descanso Beach Club 15 Comment
  SEINET3463249  Eucalyptus globulosus Unknown 1939-7-10 119 Los Angeles Los Angeles, Los Angeles, Campus Comment
  POM123379  Eucrypta chrysanthemifolia Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. [Santa Monica Mountains] Comment
  RSA529304  Eucrypta chrysanthemifolia Tim S. Ross 1991-4-8 4470 Los Angeles Elephant Hill: Western Pomona. 335 Comment
  UCD40977  Euphorbia albomarginata Ellen Dean; Thomas Starbuck, Margaret Starbuck 2003-4-14 1601 Los Angeles Antelope Valley Poppy Reserve. Comment
  UCD170883  Euphorbia helioscopia A. C. Sanders; T. B. Salvato 2009-5-20 36876 Los Angeles San Gabriel Valley, Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. (Hwy 19) and west of Santa Anita Ave. 66 Comment
  UCR76084  Euphorbia maculata Scott D. White 1992-10-8 898 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
  RSA603315  Euphorbia peplus Scott D. White 1997-5-21 5198 Los Angeles San Gabriel River Canyon: N of Azusa; parallel to Highway 39; canyon bottom and adjacent slopes along unnamed dirt access road to gauging station below Morris Dam. 244 Comment
  SEINET12142100  Euphorbia peplus J. F. Bright 1934-1 9248 Los Angeles Santa Monica Coast Range Comment
  SBBG98647  Extriplex californica T. Ross 1991-5-20 5352 Los Angeles ca. 5500 ft S of Wilson Cove settlement; 2500' NW of the 750' Benchmark 185 Comment
  SD139305  Extriplex californica Jon Rebman, Jonathan Dunn 1996-4-29 3121 Los Angeles San Clemente Island: Eel Cove, coastal flats near Eel Point on west side of island 10 Comment
  UCR214612  Festuca myuros A. C. Sanders, Dan S. Cooper 2010-3-12 37353 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR49276  Ficus virens A. C. Sanders 1987-9-28 7394 Los Angeles El Segundo Dunes west of Los Angeles International Airport and Pershing Drive 38 Comment
  POM4886  Filago californica L. R. Abrams 1901-4-1 1238 Los Angeles Ballona Harbor. Comment
  RSA611772  Filago californica L. C. Wheeler 1934-4-17 2530 Los Angeles San Gabriel Mountains, Palmer Canyon 510 Comment
  RSA731663  Filago californica F. R. Fosberg 1931-3-25 S- 4306 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island. 60 Comment
  RSA670960  Filago gallica Joseph M. Keefe 2001-3-19 31180 Los Angeles San Rafael Mountains. 2 meters north of Glenoaks Boulevard, 60 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, CA 91208. 476 Comment
  RSA719497  Filago gallica Gary Kovnat, LeRoy Gross 2004-4-25 50 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. Comment
  SBBG89253  Frangula californica subsp. californica J. Adams 1965-5-14 226 Los Angeles Mount San Antonio Cyn, 2.7 mi above lower Mt San Antonio Forest station 1011 Comment
  SBBG28525  Frangula californica subsp. cuspidata F. W. Peirson 1919-6-15 727 Los Angeles Rock Crk, N slope 1295 Comment
  RSA95286  Frangula californica subsp. cuspidata F. W. Peirson 1921-5-20 4442 Los Angeles Little Rock Creek, San Gabriel Mts. 976 Comment
  RSA128054  Frankenia grandifolia Peter H. Raven, H. J. Thompson 1959-9-6 14361 Los Angeles At mouth of Malibu Creek. 2 Comment
  PASA834  Franseria dumosa Stason 1931-5-17 Los Angeles Mohave near Lancaster Comment
  RSA674719  Fraxinus dipetala Scott D. White, Pam DeVries 2000-5-18 7905 Los Angeles San Gabriel Mts: Southern foothills above Irwindale. Fish Creek cyn, from the mouth of the Canyon at CalMat quarry upstream to falls. 305 Comment
  RSA0055765  Fraxinus uhdei R. G. Swinney 2010-4-1 12138 Los Angeles San Gabriel Mountains: Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Mac 399 Comment
  SEINET10500242  Fraxinus velutina var. coriacea Shutlz 1981-4-11 SHUTLZ 4938 Los Angeles Cultivated native plants, Rancho Santa ana Botanic Garden. 300 Comment
  UC1073261  Fremontodendron californicum George B. Rossbach 1955-6-20 350 Los Angeles about 2 mi n of Mill Creek Summit (Los Angeles Crest Highway (Route 2) near Aliso Canyon Road); Los Angeles Crest Highway 1219 Comment
  RSA426876  Fremontodendron californicum subsp. californicum L. E. Hoffman 1931-11-28 s.n. Los Angeles Holcomb Creek, branch of Big Rock Creek, Angeles National Forest. Comment
  RSA597385  Fremontodendron californicum subsp. californicum Tim S. Ross, Steve D. Boyd 1990-6-18 3503 Los Angeles Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages. 1744 Comment
  CAS-BOT-BC130251  Fritillaria biflora Grant 1901-3-10 3476 Los Angeles Pasadena, San Rafael Ranch Comment
  LA33608  Fritillaria biflora var. biflora Peter H. Raven; Henry J. Thompson 1959-4-3 13913 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak, 0.5 mi NE of peak. 822 Comment
  SBBG83897  Galenia pubescens J. L. Johnson 1978-7-5 Los Angeles fuelbreak, Encinal Cyn Rd, Malibu Comment
  CAS-BOT-BC304331  Galinsoga parviflora Ernest Braunton 1902-10-1 s.n. Los Angeles Vernon Comment
  POM47624  Galinsoga parviflora var. parviflora E. S. Spalding 1923-6-8 s.n. Los Angeles U. S. C. campus, Los Angeles. Comment
  RSA771956  Galium Robert F. Thorne 1968-2-25 37911 Los Angeles Cherry Valley, Santa Catalina Island. Comment
  UCD121571  Galium angustifolium T. E. Weier 1941-6-24 s.n. Los Angeles Angeles Crest. Comment
  RSA188391  Galium angustifolium subsp. angustifolium Robert F. Thorne, Percy C. Everett 1965-6-22 34918 Los Angeles Catalina Island. South of Avalon golf course. 91 Comment
  SD253546  Galium angustifolium subsp. angustifolium R. G. Swinney 2011-7-7 15430 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Canyon (Chilao Flat 7.5'Q) 1220 Comment
  SD39774  Galium angustifolium subsp. angustifolium Edith A. Purer 1933-10-7 5582 Los Angeles Stabilized sand dunes, El Segundo Comment
  UCD121588  Galium angustifolium subsp. foliosum P. B. Kennedy 1928-3-28 s.n. Los Angeles Summit of ridge, near Avalon, Santa Catalina Island. Comment
  SBBG97002  Galium aparine S. Boyd with T. Ross, L. Arnseth 1990-4-8 4370 Los Angeles near Malo Pt, third cyn S of Bryce Cyn Comment
  UCR271905  Galium aparine R. G. Swinney 2011-3-15 14072 Los Angeles San Gabriel Mountains, Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 235 Comment
  RSA654559  Galium aparine Benjamen Rangel 1992-4-10 777 -04 Los Angeles In the avocado orchard behind the dormitories at Cal Poly; along the freeway fence. Comment
  UCR269137  Galium grande Orlando Mistretta, Jamie Reese 2011-7-28 6006 Los Angeles San Gabriel Mountains, along Rincon Red Box Road, on the divide between West Fork San Gabriel River Canyon and East fork Santa Anita Canyon, 0.75 air miles northwest of Monrovia Peak 1451 Comment
  RSA0017034  Galium grande F. W. Peirson 1919-4-15 s.n. Los Angeles Sierra Madre Trail above the Madronas 915 Comment
  CAS-BOT-BC494157  Galium hallii Valerie Soza 2004-6-17 1724 a Los Angeles San Gabriel Mountains, along Hwy 2 at Vincent Gap trailhead to Mt. Baden-Powell 2026 Comment
  SBBG68904  Galium hallii R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk, Paradise Camp Comment
  RSA202690  Galium jepsonii Lauramay T. Dempster, Clare B. Hardham 1965-6-16 4122 Los Angeles San Gabriel Mountains, Cloudburst Summit on Angeles Crest Highway north of Waterman Mountain. 2140 Comment
  RSA228844  Galium johnstonii Robert F. Thorne 1971-6-26 39996 Los Angeles San Gabriel Mountains, Angeles National Forest: along Mt. Wilson Road near junction with Mt. Lowe Road, NE slope of Mt. Markham 1616 Comment
  UC1375413  Galium johnstonii Robert F. Thorne 1969-7-2 38265 Los Angeles Upper Chilao Campground San Gabriel Mts., Angeles National Forest 1615 Comment
  UCR275522  Galium johnstonii D. E. Bramlet 2011-9-21 4951 Los Angeles San Gabriel Mountains, Pacifico Mountain 2163 Comment
  OBI69288  Galium nuttallii subsp. insulare John Knapp, Denise Knapp 2003-5-11 40 Los Angeles Catalina Island 198 Comment
  RSA0005765  Galium nuttallii subsp. insulare Reid V. Moran 1941-2-23 606 Los Angeles Catalina Island. South of Johnson's Valley 200 Comment
  LA51406  Galium nuttallii subsp. nuttallii Peter H. Raven; 1960-5-15 15367 Los Angeles SANTA MONICA MOUNTAINS, Piuma Road 2.7 mi. W of Rambla Pacifica. 426 Comment
  JEPS9475  Galium parishii I. M. Johnston 1917-8-21 1698 Los Angeles head of canyon San Antonio Mountains, San Antonio Canyon 2438 Comment
  JEPS9478  Galium parishii F. W. Peirson 1922-7-5 3158 Los Angeles n Big Pines (summit of ridge); San Gabriel Mts., Le Montaine 2255 Comment
  JEPS52950  Galium porrigens var. porrigens Lauramay T. Dempster and Clare Hardham 1965-6-16 4119 Los Angeles Angeles Crest Hwy just s Upper Chilao Recreation Area; San Gabriel Mountains Comment
  RSA424702A  Galvezia speciosa M. B. Dunkle 1939-4-4 7249 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  SEINET8004759  Galvezia speciosa Jon P. Rebman 1996-4-29 3116 Los Angeles Los Angeles City, Los Angeles California Comment
  SFV17273  Galvezia speciosa B. N. Nguyen 1998-1-14 Los Angeles Malibu Lagoon State Beach. Along Malibu Creek near ocean. Comment
  RSA653670  Gamochaeta pensylvanica A. C. Sanders, D. Malueg 1998-6-22 22012 Los Angeles Pasadena, just north of the I-210 Freeway on E bank of Eaton Wash, north side of Foothill Blvd. where it goes under the 210, under SCE transmission lines 225 Comment
  RSA582771  Garrya flavescens Tim S. Ross, Steve D. Boyd 1993-5-23 7245 Los Angeles Lower, easterly ridge of Red Mtn, on northerly to northeasterly slope 500-570 m SE of the saddle between Ruby and Clearwater Canyons., [Range:] 34 deg 35' 23-25''N 118 deg 29' 13''W 966 Comment
  RSA392390  Garrya flavescens subsp. pallida Anstruther Davidson 1906-6-7 1506 Los Angeles Big Rock Creek. Comment
  CAS-BOT-BC158016  Garrya veatchii Vernon Bailey 1907-9-25 s.n. Los Angeles Mt. Lowe 1524 Comment
  LA40305  Garrya veatchii Louis C. Wheeler; 1932-1-15 435 Los Angeles San Antonio Wash 411 Comment
  LA99287  Garrya veatchii Peter H. Raven; 1960-5-15 15374 Los Angeles SANTA MONICA MOUNTAINS, Piuma Road, 5.1 mi. NW of Rambla Pacifica. 213 Comment
  RSA611526  Garrya veatchii Louis C. Wheeler 1968-10-5 s.n. Los Angeles San Gabriel Mountains: Rincon Canyon at Pine Mt. Truck Trail. 762 Comment
  UCR55881  Garrya veatchii J. A. Adams 1965-3-11 63 Los Angeles San Gabriel Mtns, Palmer Canyon, 1/4 mi beyond Padua Hills, near Claremont. 823 Comment
  RSA229036  Gayophytum decipiens Robert F. Thorne, C. W. Tilforth 1971-6-30 40778 Los Angeles San Gabriel Mountains, Angeles National Forest: Pinyon Flats 1.6 miles below Alder Saddle along dry branch of S fork of Little Rock Creek 1585 Comment
  POM3226  Gayophytum oligospermum I. M. Johnston 1917-7-1 1441 Los Angeles San Antonio Mountains; Near Browns Flats. 1372 Comment
  RSA72142  Gayophytum oligospermum F. W. Peirson 1922-7-5 4455 Los Angeles Big Pines. Northeast portion of San Gabriel Mountains. 2104 Comment
  UCR271736  Genista monspessulana R. G. Swinney 2011-3-26 14235 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  RSA482524  Geranium carolinianum Richard Noyes 1988-4-30 551 Los Angeles Claremont. San Gabriel Mountains: Burbank Canyon, northwest of Thompson Creek Dam 500 Comment
  RSA659192  Geranium robertianum A. R. Roos 1958-6-3 s.n. Los Angeles Evans-Reeves Nursery, Brentwood, West Los Angeles. Comment
  RSA0112636  Gilia A. C. Sanders 2005-5-11 30160 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. 610 Comment
  UCD117621  Gilia achilleifolia Geoffrey Levin 1974-5-31 196 Los Angeles Blanchard Park wash, Pomona College, Claremont. Alluvial fan of Mt. San Antonio (San Gabriel Mountains.) 335 Comment
  SBBG31357  Gilia angelensis R. F. Thorne 1966-4-7 Los Angeles Cherry Valley 60 Comment
  UCR62534  Gilia angelensis R. G. Swinney 1990-3-23 1538 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora 366 Comment
  LA52323  Gilia angelensis A. M. Johnson; 1932-5-5 3845 Los Angeles Santa Monica Mountains, University of California, Los Angeles, Bel-Air, Westwood Comment
  SBBG127018  Gilia brecciarum subsp. brecciarum A. Parikh, N. Gale 2011-6-8 3435 Los Angeles Portal Ridge, 1.2 km W of Godde Hill Rd, 1 km S of California Aqueduct 1110 Comment
  RSA587399  Gilia brecciarum subsp. brecciarum Orlando Mistretta 1995-4-5 1603 A Los Angeles Drainage W of Little Rock Creek Reservoir. 1189 Comment
  RSA782181  Gilia cana R. G. Swinney 2009-4-2 10270 Los Angeles Bob's Gap, 3.5 miles south of Hwy 138 on east side of Bob's Gap Road 1220 Comment
  SEINET4044463  Gilia capitata D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains, Puerco Canyon. 152 Comment
  RSA470246  Gilia capitata subsp. abrotanifolia Geo L. Moxley 1915-5-8 318 Los Angeles Cota, near Long Beach. Comment
  RSA599901  Gilia capitata subsp. abrotanifolia L. C. Wheeler 1933-5-5 1698 Los Angeles San Gabriel Mountains: Fish Canyon 304 Comment
  SEINET883640 Image available Gilia collina var. grantii G. B. Grant 1902-1 503 Los Angeles Mount Wilson. Comment
  RSA778745  Gilia diegensis Orlando Mistretta, Christine Mistretta 2010-6-3 5249 Los Angeles Mill Creek Canyon, 1.80 miles SW of Mill Creek Summit, along Southern California Edison transmission line corridor. 1372 Comment
  RSA128238  Gilia latiflora subsp. cuyamensis E. C. Twisselmann 1959-6-2 5326 Los Angeles Summit of Liebre Mountain 1677 Comment
  RSA86983  Gilia latiflora subsp. davyi Verne Grant 1955-4-16 20667 Los Angeles Head of Antelope Vallaey 34 miles above Lancater. Comment
  UC908483  Gilia latiflora subsp. latiflora Herbert L. Mason 1932-4-1 6869 Los Angeles one mi e Lancaster; Mohave Desert, e of Lancaster Comment
  RSA588073  Gilia latiflora subsp. latiflora Orlando Mistretta 1994-4-15 1061 Los Angeles Santiago Canyon: W slopes of drainage near confluence with Little Rock Creek. 1159 Comment
  UC1234593  Gilia minor Peter H. Raven 1962-4-6 17108 Los Angeles 0.5 mi n Pearblossom; n of Pearblossom 853 Comment
  UCR43293  Gilia minor David Charlton 1986-6-15 270 Los Angeles San Gabriel Mtns, Betweeen Blue Ridge Campground (1.5 air mi SSE of Bigpine) and the reservoir at the top of Chisolm Ski Run; along the reservoir maintenance road, 0.7 to 1.2 mi south of Angeles Crest hwy on Forest Road 3N06 2439 Comment
  CAS-BOT-BC402025  Gilia ochroleuca subsp. bizonata E. K. Balls; L. W. Lenz 1950-3-28 14464 Los Angeles 1 mi. e. of junction of Hwys 99 and 138, just s. of Gorman 1158 Comment
  SD90406  Gilia ochroleuca subsp. vivida Robert F. Thorne, C. W. Tilforth, et al. 1972-8-11 42226 Los Angeles Angeles National Forest; north slope of Mt. Waterman near Buckhorn Station in open yellow pine forest. 2133 Comment
  PASA723  Gilia tricolor J. E. Giguette May, 26 Los Angeles Flintridge Comment
  UCR206525  Gnaphalium californicum A. C. Sanders, T. B. Salvato 2009-5-19 36826 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
  UCR223063  Gnaphalium californicum R. G. Swinney 2009-5-6 10686 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon at confluence with Little Rock Creek 909 Comment
  RSA658315  Gnaphalium californicum D. G. Tanner 1989-5-31 sx- 23 Los Angeles Fish Canyon Wash. Comment
  RSA719744  Gnaphalium canescens subsp. beneolens R. G. Swinney 1996-8-7 5230 Los Angeles San Dimas Experimental Forest, southern third of west half of Brown's Flat. 1305 Comment
  RSA594213  Gnaphalium luteoalbum L. C. Wheeler 1967-5-8 9315 Los Angeles Liebre Mountains. Foothills northeast of Saugus. 381 Comment
  RSA660793  Gnaphalium luteoalbum LeRoy Gross, Valerie Soza 2001-6-6 440 Los Angeles Verdugo Mountains, north side; Wildwood Fire Road (now deserted and growing back) off of Verdugo Mountain Way dirt fire road. 427 Comment
  POM4627  Gnaphalium microcephalum Fred Burlew 1917-09 s.n. Los Angeles Crescenta. Comment
  UCR223002  Gnaphalium palustre R. G. Swinney 2009-6-2 11025 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA659750  Gnaphalium palustre Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-3 70 Los Angeles San Clemente Island. Comment
  RSA611068  Gnaphalium stramineum L. C. Wheeler 1970-5-31 s.n. Los Angeles Los Angeles: NW corner of Pico & Figueroa streets. Comment
  UCR99505  Gnaphalium thermale Steve Boyd, L. Raz 1996-10-29 9116 Los Angeles San Gabriel Mtns., Atmore Meadows area at the SE end of Liebre Mtn. in a tributary drainage to the North Fork Fish Canyon 1317 Comment
  RSA589263  Grayia spinosa T. S. Ross 1991-4-28 4779 Los Angeles Adobe Mountain: Southwesterly extension of the mountain. 926 Comment
  UCR160802  Grayia spinosa David Charlton 1989-4-7 2843 Los Angeles San Gabriel Mtns. (NW), Soledad Pass, Kentucky Springs development, 1 mile south of Hwy 14 on Angeles Forest Hwy (N-3), c. 5 mi. (airline) south of Palmdale 1037 Comment
  RSA657969  Grevillea robusta Christopher Vellema 2001-1-19 101 Los Angeles South side, city of Glendale, Pomeroy Canyon. Along side fire road next to creek. 341 Comment
  RSA29906  Grindelia camporum var. bracteosa L. C. Wheeler 1934-5-14 2585 Los Angeles Sunny seasonal stream in meadow near mouth San Dimas Canyon, San Gabriel Mtns. 441 Comment
  RSA618766  Guillenia lasiophylla L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon 1/2 mile south-southwest of Blum Ranch. 975 Comment
  RSA717856  Guillenia lasiophylla R. G. Swinney 1997-5-13 5518 Los Angeles Water Canyon, a tributary from the north of San Gabriel River Canyon, north of Morris Dam. 402 Comment
  UC50310  Guillenia lasiophylla H. M. Hall Apr 1903 3771 Los Angeles Playa del Rey Comment
  RSA248889  Guillenia lasiophylla R. F. Thorne 1973-4-11 42860 Los Angeles San Clemente Island, middle portion of Norton Canyon. 274 Comment
  HSC24953  Gutierrezia californica James Henrickson 1971-10-14 7184 Los Angeles NE Claremont along Padua Hills Rd. 457 Comment
  LA211202  Gutierrezia californica Arthur C. Gibson; 2003-6-11 4979 Los Angeles SIMI HILLS, NW edge of Chatsworth Reservoir just east of Valley Circle Blvd., near Chatsworth Lake Mano. Comment
  CATA2001  Hainardia cylindrica Steven A. Junak, Mark Hoefs, Misty Gay 1997-6-6 436 Los Angeles Santa Catalina Island: N edge of Upper Buffalo Springs Reservoir, just NW of Airport 435 Comment
  POM206069  Hainardia cylindrica Le Roy Abrams 1902-6-20 2567 Los Angeles Ballona marshes near Mesmer. Comment
  CAS-BOT-BC306641  Helenium bigelovii Tim Ross 1990-8-17 3175 Los Angeles San Gabriel Mtns: S side of Prairie Fork, in the vicinity of Columbine Spring 2206 Comment
  UCR193595  Helenium bigelovii R. G. Swinney 1998-8-6 6705 Los Angeles San Gabriel Mtns., Alder Gulch, a western tributary of upper East Fork San Gabriel River 1311 Comment
  POM359736  Helenium bigelovii Russell Smith 1927-8-16 s.n. Los Angeles Crystal Lake, E. Angeles Nat. Forest. Comment
  RSA600846  Helenium bigelovii L. C. Wheeler 1966-9-21 8909 Los Angeles San Gabriel Mountains. South fork of Big Rock Creek in the vicinity of Lily Spring. 2378 Comment
  UC57412  Helenium puberulum J. H. Barber 1898-8-3 Los Angeles Topanga Comment
  POM177952  Helianthemum scoparium var. vulgare J. Ewan 1931-3-21 4065 Los Angeles End of road, Los Flores Canyon, Santa Monica Mts. 549 Comment
  RSA604494  Helianthus annuus subsp. lenticularis L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Big Rock Creek, Old Point Comfort. Comment
  RSA77877  Heliotropium curassavicum F. W. Peirson 1923-5-27 3542 Los Angeles Pallett Creek, tributary to Rock Creek, north slope of San Gabriel Mts. 1097 Comment
  LA32229  Heliotropium curassavicum var. oculatum Peter H. Raven; Henry J. Thompson 1959-9-6 14400 Los Angeles Santa Monica Mountains, Malibu Creek, near mouth 12 Comment
  RSA534010  Hemizonia fasciculata Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5111 Los Angeles San Clemente Island. 700 ft. ENE of North Tank and 2300 ft. due W of Jack (not Jack Point). 239 Comment
  LA200819  Heteromeles arbutifolia J. Sauer; D. Bradbury, R. Thaman 1969-12-7 4679 Los Angeles Santa Monica Mountains, Latigo Canyon Comment
  UC860308  Heteromeles arbutifolia L. W. Nuttall 1920-5-5 117 Los Angeles Santa Catalina Island Comment
  UCR125256  Heteromeles arbutifolia A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25494 Los Angeles NE end of Santa Susana Mtns., canyon draining into Santa Clara River Valley from the south off 'Round Mtn.' (peak 1476), north of Potrero Canyon 305 Comment
  RSA605984  Heteromeles arbutifolia var. arbutifolia Louis C. Wheeler 1932-6-18 834 Los Angeles San Dimas Canyon. 427 Comment
  JEPS30436  Heterotheca grandiflora Peter H. Raven and Henry J. Thompson 1959-10-14 14642 Los Angeles e end Malibu Lake; Santa Monica Mountains, Malibu Lake 220 Comment
  RSA0074434  Heterotheca grandiflora S. Koukol, E. Lutz 1998-4-26 8 Los Angeles Claremont, along W side of Indian Hill Blvd., 50 m S of Baseline Road. 421 Comment
  SBBG95487  Heterotheca grandiflora M. B. Dunkle 1928-11-25 2036 Los Angeles Hamilton Beach Comment
  UCR210485  Heterotheca grandiflora R. G. Swinney 2008-11-30 9873 Los Angeles San Gabriel Mtns., Azusa, San Gabriel River Channel, 1.2 mi. north of Foothill Blvd. at mouth of Fish Canyon 204 Comment
  RSA0074072  Heterotheca grandiflora A. Menke 1955-4-21 s.n. Los Angeles Faculty Hill, UCLA campus, Los Angeles. Comment
  UCR269180  Heterotheca sessiliflora subsp. fastigiata Duncan S. Bell, Caitlin Elam 2013-8-1 5574 Los Angeles Transverse Range; San Gabriel Mountains, Sheep Mountain Wilderness, south side of Prairie Fork, Pine Mountain Ridge, above Lupine Campground area and below Columbine Spring 2031 Comment
  SD90182  Heterotheca sessiliflora var. echioides Benjamin C. Stone December 1952 276 Los Angeles Vacant lot at 6th and College, Claremont. 334 Comment
  RSA0066355  Heuchera abramsii F. R. Fosberg, Mildred E. Mathias 1931-6-23 S- 5307 Los Angeles Summit of Mt. San Antonio. 3030 Comment
  UC212589  Heuchera abramsii I. M. Johnston 1907-8-22 1690 Los Angeles n slope of Baldy; San Antoni Mountains 2743 Comment
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Nov 6 2014
  CAS-BOT-BC48174  Heuchera elegans Geo. B. Grant 1901-1-1 570 Los Angeles So. Calif. - Summit of Mt. Lowe 1828 Comment
  JEPS8608  Heuchera elegans Rimo Bacigalupi with G. T. Robbins and L. R. Heckard 1953-6-15 4200 Los Angeles along Forest Service road following crest of Mendenhall Ridge 9 mi e of its start at paved road crossing western crest of this ridge between Little Tujunga and Pacoima Canyons; w end San Gabriel Mountains, Angeles National Forest 1493 Comment
  CAS-BOT-BC55359  Hirschfeldia incana Peter H. Raven; Henry J. Thompson 1959-9-6 14376 Los Angeles Santa Monica Mountains. Near mouth of Malibu Creek. 12 Comment
  CAS-BOT-BC55362  Hirschfeldia incana Timothy S. Ross; Steve Boyd 1994-9-20 8275 Los Angeles Liebre Mountains. Lower Spunky Canyon. This stretch draining SSE, exiting into Bouquet Reservoir. 934 Comment
  RSA591668  Hirschfeldia incana L. C. Wheeler 1966-9-21 8888 Los Angeles East fork San Gabriel Canyon at Burro Canyon. 457 Comment
  CAS-BOT-BC149959  Holodiscus discolor var. discolor Grant 1904-6-5 6275 Los Angeles Milland Canyon Comment
  UCR256926  Hordeum depressum D. E. Bramlet, Robt. L. Allen 2011-5-24 4842 Los Angeles Coastal Plains and Basins; Los Angeles Basin, Whittier Narrows Recreation Area, parking lot of archery range, 468 m west of Rosemead Blvd. & 492 m south of 60 freeway 63 Comment
  CATA655  Hordeum intercedens Mark L. Hoefs 1991-4-18 1144 Los Angeles Santa Catalina Island: Near road between Cherry Valley and Fourth of July Cove 79 Comment
  LA33406  Hordeum murinum subsp. glaucum Peter H. Raven; 1959-5-3 14098 Los Angeles SANTA MONICA MOUNTAINS, Laurel Pass, Mulholland Drive. 350 Comment
  RSA258400  Hordeum murinum subsp. glaucum C. W. Tilforth 1972-4-22 510 Los Angeles Weeds of Rancho Santa Ana Botanic Garden Comment
  RSA601615  Hordeum murinum subsp. leporinum L. C. Wheeler 1967-5-13 9491 Los Angeles Between Little Dalton Canyon Englewild Canyon. 381 Comment
  RSA639239  Hordeum murinum subsp. leporinum R. F. Thorne, M. Z. Thorne 1971-4-25 41350 Los Angeles San Gabriel Mountains: Johnson's Pasture north of Claremont. 609 Comment
  UC284731  Hordeum murinum subsp. leporinum P. A. Munz 1923-4-8 6620 Los Angeles San Clemente Island Comment
  RSA625001  Horkelia cuneata subsp. puberula Louis C. Wheeler 1963-5-5 8249 Los Angeles San Gabriel Mountains: Bear Creek, off West Fork San Gabriel River. 549 Comment
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Jul 25 2007
  SEINET6755762  Horkelia cuneata subsp. puberula G. B. Grant, W. Wheeler 1904-5-7 599 Los Angeles Glendora, in waste 'wash' land. Comment
  SEINET3156790  Horkelia puberula G. B. Grant, W. Wheeler 1904-5-7 599 /6258 Los Angeles Glendora Comment
  JEPS22767  Hulsea vestita subsp. gabrielensis Rimo Bacigalupi with Reino Alava 1958-7-20 6426 Los Angeles cliffside along Angeles Crest Highway (State Highway 2, along nw shoulder of Mt. Islip); San Gabriel Mts., Angeles National Forest, watershed of S Fo 2164 Comment
  RSA453778  Hydrocotyle verticillata L. E. Hoffman 1931-11-16 s.n. Los Angeles Malibu Creek Comment
  RSA770893  Hypochaeris glabra R. F. Thorne 1965-5-10 34506 Los Angeles Near upper end of Gallagher Canyon, Santa Catalina Island. 427 Comment
  CAS-BOT-BC312942  Hypochaeris glabra Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-7 4254 Los Angeles San Clemente Island. Lower half of China Cyn, S end of island, W. side Comment
  POM294556  Hypochaeris glabra Lyman Benson 1947-5-12 12401 Los Angeles Claremont; Drainage Area: Pacific slope 351 Comment
  RSA659737  Hypochaeris glabra Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-3 96 Los Angeles San Clemente Island. Comment
  RSA0082913  Isocoma Michael J. Moore, Hilda Flores Olvera, Helga Ochoterena, Ya Yang, Tommy Stoughton 2015-5-30 3133 Los Angeles Abalone Cove Reserve, Palos Verdes Nature Preserve. Along terrace overlooking the ocean. 21 Comment
  UCR281431  Isocoma acradenia Mitch Provance 2011-7-14 714- 04 Los Angeles Western Mojave Desert, Lancaster, near Rosamond, NW corner of the intersection of Sierra Hwy. and W Ave. B. 704 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
  CAS-BOT-BC311716  Isocoma menziesii var. vernonioides A. J. McClatchie 1895-9-1 901 Los Angeles Near Pasadena Comment
  RSA126745  Isocoma menziesii var. vernonioides Peter H. Raven, H. J. Thompson 1959-10-4 14554 Los Angeles Coast Highway just north of mouth of Santa Monica Canyon. 15 Comment
  RSA766855  Isolepis cernua Justin M. Wood 2009-9-9 1288 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  JEPS42710  Isomeris arborea W. L. Jepson 8935 Los Angeles mts above Castac Lake (foot of hill from Ridge Road, before Tejon Pass) 1219 Comment
  UCR95476  Isopyrum occidentale Steve Boyd, M. Wall 1996-4-4 8544 Los Angeles Transverse Range; Liebre Mtns., Angeles National Forest; lower Ruby Canyon, along Ruby Canyon Road c. 0.85 mi east of the junction with Lake Hughes Road, upstream from the confluence of Ruby Canyon and Elizabeth Lake Canyon at the NW base of Red Mountain 610 Comment
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Sep 26 2006
  RSA152033  Iva axillaris Wesley O. Griesel 1962-5-28 s.n. Los Angeles on the road from Big Pines to Valyermo 1524 Comment
  RSA755712  Ivesia santolinoides R. G. Swinney 2008-7-3 9161 Los Angeles Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp. 2329 Comment
  SBBG127984  Jaumea carnosa M. L. Hoefs, S. A. Junak, K. Kirkland 1996-7-10 2747 Los Angeles Catalina Harbor at the Isthmus 3 Comment
  CAS-BOT-BC258674  Juglans C. M. Elms 1925-5-1 s.n. Los Angeles Los Angeles Comment
  SD239790  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37170 Los Angeles San Gabriel Vaslley: Pomona, Cal Poly Pomona campus at Kellogg West (San Dimas 7.5'Q) Steep N-facing hill slope below parking lot of conference center and dorms on hilltop. 263 Comment
  SEINET11177057  Juglans californica M. Licher 2011-2-21 3023 Los Angeles Deervale-Stone Canyon Park, Santa Monica Mountains, 1 mi. east of 405, & north of Mulholland Dr. 320 Comment
  UCR249900  Juglans hindsii R. E. Riefner Jr. 2014-1-1 14- 20 Los Angeles La Habra Heights, Puente Hills, Fullerton Road East c. 0.2 mi from Skyline Drive 254 Comment
  SD69015  Juncus acutus Robert F. Thorne, D. Propst 1968-5-27 37639 Los Angeles Santa Catalina Island, moist flat area behind dunes, Ben weston beach, at mouth of Middle Ranch Canyon. Comment
  RSA358478  Juncus acutus subsp. leopoldii Robert F. Thorne 1973-09 44729 Los Angeles Santa Catalina Island: Big Spring. Comment
  RSA732913  Juncus balticus subsp. ater R. G. Swinney 1997-6-19 5620 Los Angeles San Gabriel Mtns.: Jackson Lake, west of Wrightwood. 1872 Comment
  RSA151123  Juncus bufonius Peter H. Raven 1962-5-8 17594 Los Angeles San Clemente Island: mouth of canyon at south end of Seal Cove 9 Comment
  RSA368068  Juncus macrophyllus L. E. Hoffman 1927-8-19 s.n. Los Angeles Clear Creek, Angeles National Forest. Comment
  POM6446  Juncus mexicanus L. T. Street, G. Williams 1919-5-10 2712 Los Angeles San Gabriel River near Bassett. 90 Comment
  RSA0039056  Juncus mexicanus R. G. Swinney 2009-11-16 11646 Los Angeles Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  RSA719583  Juncus mexicanus R. G. Swinney 1997-7-22 5703 Los Angeles Government Canyon, W of Wrightwood, 0.75 mi W of San Bernardino Co. line at Hwy. 2, Blue Ridge Mountain area 2073 Comment
  RSA191185  Juncus mexicanus Robert F. Thorne 1967-7-19 37172 Los Angeles San Gabriel Mountains. 1981 Comment
  UC213662  Juncus phaeocephalus var. paniculatus I. Johnston 1917-5-13 Los Angeles El Monte 114 Comment
  RSA608458  Juncus rugulosus L. C. Wheeler 1946-9-2 6338 Los Angeles San Gabriel Mountains: West Fork San Gabriel River. 518 Comment
  SBBG126955  Juncus rugulosus A. Parikh, N. Gale 2011-7-14 3557 Los Angeles West Fork San Gabriel River, 2.6 km W of St Hwy 39; San Gabriel Mtns 615 Comment
  UC1595240  Juncus rugulosus Tim Ross, Peter Fritsch 1990-6-20 3593 Los Angeles near the confluence of the East and West Forks of the San Gabriel River (mouth of Burro Canyon, San Gabriel Mountains); San Gabriel Mountains, Burro Canyon 445 Comment
  RSA188245  Juncus textilis Robert F. Thorne, Percy C. Everett 1965-6-23 34962 Los Angeles Santa Catalina Island: lower portion of Middle Ranch Canyon. 152 Comment
  RSA517173  Juncus textilis Timothy S. Ross, Orlando Mistretta 1990-10-16 3280 Los Angeles San Gabriel Mountains: Mt Baldy Ranger District, Angeles National Forest. Cape Horn Canyon. 610 Comment
  UCR95778  Juncus textilis Lauren Raz, S. D. Boyd 1996-10-23 50 Los Angeles Liebre Mtns, Ruby Canyon, just w of the junction of F.S. Road 6N24 w/ Lake Hughes Road, at confluence w/ Elizabeth Lake Canyon 610 Comment
  RSA0036820  Juncus tiehmii Justin M. Wood 2011-7-7 4331 Los Angeles San Gabriel Mountains: Little Rock Creek: just upstream of Little Rock reservoir. 999 Comment
  HSC1210  Juniperus californica C. B. Wolf 1928-3-29 1552 Los Angeles Antelope Valley at foot of Pine Canyon 2 mi. S of Neenach Comment
  UCR178212  Juniperus californica LeRoy Gross 2000-8-25 260 Los Angeles Verdugo Mountains, Big Tujunga Wash. Orcas Park, entered from Foothill Blvd onto Orcas Ave. Hiked W from park, heading toward Hansen Dam, E side of Hansen Dam 325 Comment
  RSA549811  Keckiella breviflora var. breviflora Wandalee Thompson 1964-6-16 49 Los Angeles Pine Canyon Rd, south side of N-2, 10 miles west of Elizabeth Lake, foot of Liebre Mountain 1128 Comment
  CAS-BOT-BC235750  Keckiella cordifolia Le Roy Abrams 1901-6-4 1694 Los Angeles Los Tunas Canon [Canyon], Santa Monica Mts. Comment
  HSC95556  Keckiella cordifolia John Dittes 1990-6-11 91 Los Angeles San Gabriel Mtns., La Tuna Canyon, N slope of Verdugo Mtn., 0.8 mi. E of debris basin dam, small tributary canyon with drainage on S side of L Tuna Canyon Rd. 424 Comment
  NY790203  Keckiella cordifolia F. Grinnell Jr. 1905-7-4 459 Los Angeles Newhall Comment
  RSA401781A  Keckiella cordifolia Howard Mullins 1931-5-9 s.n. Los Angeles Santa Susana. Comment
  RSA597134  Keckiella cordifolia Louis C. Wheeler 1961-6-12 7865 Los Angeles San Gabriel Mountains. Pacoima Canyon at Bad Canyon. 1067 Comment
  RSA608316  Keckiella cordifolia Louis C. Wheeler 1930-5-24 49 Los Angeles Santa Monica Mountains: Mandeville Canyon. Comment
  RSA401778A  Keckiella cordifolia Slocum 1949-6-10 4246 Los Angeles Los Padres National Forest. 457 Comment
  RSA188522  Keckiella ternata subsp. ternata Robert F. Thorne, John Olmsted 1965-8-26 35400 Los Angeles San Gabriel Mtns, Angeles National Forest: Cabin Flat along Prairie Fork, 1585 Comment
  RSA400472  Keckiella ternata subsp. ternata R. S. Woglum 1940-7-6 2903 Los Angeles San Gabriel Mountains, Angeles National Forest, Charlton Flats Comment
  CAS-BOT-BC246108  Keckiella ternata var. ternata Timothy S. Ross; Steve Boyd 1995-6-28 8655 Los Angeles Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon, Liebre Mountains 737 Comment
  RSA0119945  Krascheninnikovia lanata R. G. Swinney 2014-4-23 16181 Los Angeles San Gabriel Mountains: east of Valyermo, Holcomb Ridge, 0.18-032 miles north of Bob's Gap Rd. 1.04 air-miles west of Bob's Gap. 1268 Comment
  RSA478765  Krascheninnikovia lanata N. C. Cooper 1949-5-16 3658 Los Angeles Lancaster 718 Comment
  RSA640959  Lactuca serriola L. C. Wheeler 1931-7-22 s.n. Los Angeles La Verne: Wheeler's residence. Comment
  RSA639176  Lactuca serriola L. C. Wheeler 1967-7-6 9934 Los Angeles San Gabriel Mountains: San Dimas Canyon. 441 Comment
  CAS-BOT-BC340759  Laennecia coulteri Reid Moran 1959-3-9 7156 Los Angeles 1 mile north of Eel Point, San Clemente Island 20 Comment
  UCD63399  Lamarckia aurea Jack Delaini 1974-4-5 108 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. 502 Comment
  SFV9163  Lamium amplexicaule J. Turner, F. M. Ball 1963-4-3 s. n. Los Angeles San Gabriel Valley La Verne. Yard of long-destroyed house near Puddingstone Reservoir. 305 Comment
  SEINET3481006  Lantana lilacina Unknown 1939-7-10 183 Los Angeles Los Angeles, Los Angeles Comment
  UCR140602  Larrea tridentata Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-17 3- 26 Los Angeles San Gabriel Mtns/Mojave Desert, Route 18 at W 263 Street, Site L3 1033 Comment
  RSA602469  Lastarriaea coriacea Scott D. White 1997-5-15 5145 Los Angeles Big Tujunga Wash: Sunland-Tujunga area;alluvial fan below San Gabriel Mountains SW of I -210 freeway, E of Hansen Dam, and N of Wentworth St. 335 Comment
  CAS-BOT-BC339112  Lasthenia californica Dr. Barton W. Evermann 1918-3-1 s.n. Los Angeles Santa Barbara Isl. Comment
  RSA597814  Lasthenia californica L. C. Wheeler 1969-4-19 s.n. Los Angeles San Gabriel Mts; Placerita Canyon. 549 Comment
  POM5998  Lasthenia coronaria C. F. Baker 1904-4-30 4159 Los Angeles Claremont. 365 Comment
  UC1746469  Lasthenia coronaria B. Pitzer 1996-5-5 2845 Los Angeles San Pedro Hill; Palos Verdes Peninsula; Palos Verdes Hills; San Pedro Naval Comment
  POM361484  Lasthenia gracilis F. R. Fosberg 1931-5-4 4753 Los Angeles Middle Ranch Canyon, mouth Santa Catalina Island 3 Comment
  UC2061408  Lasthenia gracilis Rachael L. Olliff Yang with Ellery Mayence, Ana Penny, Lynn Yamashita, Bridget Wessa 2017-4-17 7 Los Angeles Tejon Ranch. Lower Big Sycamore Canyon. Comment
  JEPS9699  Lasthenia gracilis I. W. Clokey and B. C. Templeton 1930-4-8 4672 Los Angeles along San Fernando Road 300 Comment
  CATA1890  Lathyrus odoratus Denise Knapp 2006-5-12 Los Angeles Santa Catalina Island: Hayfield across from J. Ackerman Native Plant Nursery 0 Comment
  UC1211104  Lathyrus vestitus var. vestitus Huron H. Smith 1912-5-17 4963 Los Angeles Eaton Canyon Mt. Wilson 426 Comment
  RSA434059  Lavatera assurgentiflora subsp. assurgentiflora Unspecified 1931-7-2 s.n. Los Angeles El Segundo. Comment
  RSA434060  Lavatera assurgentiflora subsp. assurgentiflora H. L. Bauer 1931-7-19 s.n. Los Angeles Sawtelle. Comment
  RSA783640  Layia J. D. Olmsted 1959-3-23 312 Los Angeles Blanchard Park on Pomona College campus by area catching runoff from sprinkling system-common weed. San Antonio wash. alluvial. 366 Comment
  RSA0091355  Layia glandulosa R. G. Swinney 2011-6-15 15159 Los Angeles Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy 1585 Comment
  POM30332  Layia glandulosa Marcus E. Jones 1882-5-1 s.n. Los Angeles Los Angeles. Comment
  UCD133990  Layia platyglossa Daryl Koutnik; Vickie Dawes 1978-4-7 333 Los Angeles west side of Sierra Highway just north of Pearblossom Highway. 914 Comment
  POM155627  Layia platyglossa subsp. campestris M. L. Bryan 1928-6-2 23 Los Angeles Mandeville Canyon, near Santa Monica Mts Comment
  RSA603413  Layia platyglossa subsp. campestris L. C. Wheeler 1936-4-12 4088 Los Angeles Hills S of Monterey Park, south side. 122 Comment
  UCR133742  Layia platyglossa subsp. campestris F. R. Fosberg 1931-5-2 S- 4735 Los Angeles Channel Islands, Bullrush Ridge, Santa Catalina Island 250 Comment
  RSA483584  Layia platyglossa subsp. platyglossa D. Charlton 1988-4-3 1713 Los Angeles W of Lancaster on Hwy 138, Agricultural fields. Quail Lake area between Gorman and Holiday Valley. 1067 Comment
  UC1349063  Lepechinia fragrans Robert F. Thorne 1966-4-29 36329 Los Angeles Santa Catalina Island, Echo Lake 411 Comment
  CAS-BOT-BC89169  Lepidium draba Peter H. Raven; Henry J. Thompson 1960-4-12 15030 Los Angeles Santa Monica Mountains. Seminole Hot Springs. 289 Comment
  CAS-BOT-BC89306  Lepidium flavum A. D. E. Elmer 1902-6-1 3653 Los Angeles Lancaster. Comment
  SD231266  Lepidium fremontii Sula Vanderplank, Leroy Gross & Steve Hoskinson 2005-5-6 104 Los Angeles Transverse Ranges; San Gabriel Mountains region: north side of the San Gabriel Mountains. Right at the North End of Bob's Gap. 1433 Comment
  SD90588  Lepidium lasiocarpum subsp. lasiocarpum Robert F. Thorne 1973-4-12 42918 Los Angeles San Clemente Island; Horse Cove, south end of island. 4 Comment
  UCR219477  Lepidium nitidum R. G. Swinney 2009-3-19 10145 Los Angeles San Gabriel Mtns. Foothills, Azusa, 0.7 mi. north of Sierra Madre Ave. on north side of San Gabriel River channel, c. 100 m north of Hwy 39 230 Comment
  RSA550688  Lepidium pinnatifidum Timothy S. Ross, Annette Ross 1991-7-29 5712 Los Angeles Elephant Hill: N-most point of the Puente Hills, W Pomona 229 Comment
  CATA1418  Lepidium virginicum subsp. menziesii Mark L. Hoefs, Steven A. Junak, Ralph Philbrick 1996-2-12 2575 Los Angeles Santa Catalina Island: Upper Avalon Canyon at Hermit's Gulch Campground 91 Comment
  HSC5929  Lepidospartum squamatum W. H. Kinch 1954-9-30 14 Los Angeles Padua Ave. N Claremont, San Antonio Wash. 335 Comment
  RSA606123  Lepidospartum squamatum L. C. Wheeler 1931-10-14 s 2 Los Angeles Rocky wash area between College Ave and Mills Ave N of Foothill Blvd. 366 Comment
  POM352729  Leptochloa fusca subsp. uninervia Anstruther Davidson 1919-01 s.n. Los Angeles West Adams St. Los Angeles Comment
  UCR209886  Leptochloa uninervia R. G. Swinney 2008-9-9 9326 Los Angeles San Gabriel Mtns., Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  RSA648267  Leptodactylon californicum Michael Krawczyk 1981-4-26 6 Los Angeles 3 miles south of Falling Springs Resort on highway 39. San Gabriel Mtns. Comment
  RSA468567  Leptosiphon androsaceus Anstruther Davidson 1920-6-1 s.n. Los Angeles Mint Canyon. Comment
  OBI28062  Leptosyne bigelovii David J. Keil, Dirk Walters 1977-4-30 12296 Los Angeles Along Los Angeles County Rd N-2 ca 1 mi SE of jctn with CA rte 138 Comment
  SD45617  Leptosyne gigantea Darley F. Howe 1953-3-22 2265 Los Angeles 22 miles north of Sunset Boulevard Coast north of Santa Monica Comment
  UCSB6464  Leptosyne gigantea Ralph, F. 1960-4-1 Los Angeles On N side of Calif Hwy. 138, 9.0 miles E of its jct. with the road to Valyermo and Big Pines E of Pearblossom & 0.6 miles W of jct. with road to Victorville Comment
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Jul 15 2020
  UCR124728  Lessingia filaginifolia B. C. Templeton 1932-8-25 5079 Los Angeles San Gabriel Mtns., Table Mountain near Big Pines Park, Angeles National Forest 2091 Comment
  UCR231173  Lessingia filaginifolia Dan S. Cooper 2011-11-9 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, upper part of 'Boys Camp Canyon' southwest of LA Zoo 244 Comment
  RSA589140  Lessingia glandulifera var. glandulifera Orlando Mistretta 1994-5-11 1175 Los Angeles Little Rock Creek, E slopes of canyon W of Basin Campground 1037 Comment
  UCR126336  Lessingia glandulifera var. glandulifera A. C. Sanders 2003-8-4 27105 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, canyon in low hills north of Potrero Canyon 305 Comment
  UCSB33233  Lessingia glandulifera var. glandulifera Partsch, M. 1977-5-14 Los Angeles Along Palmdale Blvd. in dry desert wash at 140th st. east 1066 Comment
  UC1751080  Lessingia lemmonii var. lemmonii Annetta M. Carter, Arthur Carter 1935-9-11 969 Los Angeles Chilao Ranger Station at junction of Charleton Flats (Pine Flats) & Pacifico Road. San Gabriel Mtns. 457 Comment
  CAS-BOT-BC444093  Lewisia nevadensis Robert F. Thorne; L. DeBuhr 1974-6-28 44763 Los Angeles San Gabriel Mts., Angeles National Forest: Lily Springs area on N slope Mt. Hawkins, drainage of S Fork Big Rock Creek 2438 Comment
  SD111603  Lewisia rediviva var. minor Wayne P. Armstrong 1982-6-27 Los Angeles Summit of Mt. Baden-Powell 2835 Comment
  RSA708770  Leymus condensatus Valerie L. Soza, Bill Hogshead 2003-4-23 1645 Los Angeles Brand Park, Brand Canyon. 351 Comment
  UCSB50282  Lilium humboldtii Reisentz, Paul 1975-6-7 Los Angeles Twin Falls Reserve, 1 mile east on Stunt Rd. from Mulholland Hwy 274 Comment
  RSA68711  Lilium rubescens Frank W. Peirson 3687 Los Angeles Road near Coldwater Canyon, Santa Monica Mts. Comment
Read comments
May 5 2010
  UC52363  Linanthus aureus H. M. Hall Apr 1902 3031 Los Angeles Antelope Valley 1219 Comment
  RSA469955  Linanthus aureus Albert J. Perkins 1913-5-2 s.n. Los Angeles Tujunga Canyon. Comment
  CAS-BOT-BC226753  Linanthus californicus Annie M. Alexander; Louise Kellogg 1941-3-24 1995 Los Angeles Weldon Canyon; 8.5 miles south of Castiac [Castaic] Junction 487 Comment
  CAS-BOT-BC226758  Linanthus californicus Fordyce Grinnell, Jr. 1904-7-14 s.n. Los Angeles Switzers Trail, Mt. Wilson Comment
  SD111573  Linanthus californicus W. P. Armstrong 1982-6-12 Los Angeles Southeast firebreak ridge of Lookout Mountain. 1790 Comment
  RSA468435  Linanthus californicus subsp. glandulosus Donald R. Bissing 1973-5-4 57 Los Angeles Evey Canyon, San Gabriel Mountains, 0.3 miles from mouth of canyon 726 Comment
  RSA73010  Linanthus concinnus F. W. Peirson 1921-6-18 2462 Los Angeles divide north of Mt. Islip 2042 Comment
  RSA0015490  Linanthus dianthiflorus subsp. dianthiflorus Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. [Santa Monica Mountains] Comment
  UCR13421  Linanthus dichotomus T. Wetherwax 1973-4-2 730204- 01 Los Angeles c. 10 mi. west of Palmdale on state Hwy 138 610 Comment
  UCR150873  Linanthus dichotomus R. G. Swinney 1998-4-14 5973 Los Angeles San Gabriel Mtns./Southern Mojave Desert, Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands 1299 Comment
  UCR78147  Linanthus dichotomus Wandalee Thompson 1964-4-20 29 Los Angeles Transverse Range; Liebre Mtns., Thompson Ranch entrance road, 20660 West Pine Canyon Road, c. 5 miles west of Lake Hughes 1128 Comment
  RSA679872  Linanthus dichotomus subsp. dichotomus LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 874 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway. 1143 Comment
  RSA702374  Linanthus liniflorus Scott D. White, Pam De Vries 2004-5-18 10416 Los Angeles Eastern Santa Susana Mtns. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  RSA249764  Linanthus parryae R. F. Thorne 1973-5-11 43473 Los Angeles 1/4-1/2 mile N of Bob's Gap, N slope of Holcomb ridge, ca. 2.5 miles due S of Llano. 1159 Comment
  UCR184049  Linanthus parviflorus A. C. Sanders 2007-4-19 33433 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  RSA229072  Linanthus pungens R. F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38899 Los Angeles San Gabriel Mountains, Angeles National Forest: Canyon above Angeles Crest Hwy. ca. 1 mile W of Vincent Gap, at one of headwaters of E fork Big Rock Creek N-face Mt. Baden-Powell. 2332 Comment
  RSA84384  Lithophragma heterophyllum F. W. Peirson 1921-4-3 2395 Los Angeles Pacoima Canyon, W end of San Gabriel Mts. 549 Comment
Read comments
Oct 6 2009
  RSA527727  Lithophragma maximum Steve Boyd 1990-4-8 4295 Los Angeles San Clemente Island: east side of the island, near Malo Point, 1st canyon south of Bryce Canyon. Comment
  CAS-BOT-BC174474  Loeflingia squarrosa Alice Eastwood 1906-6-2 175 Los Angeles San Pedro Comment
  LA88398  Logfia filaginoides O. H. Kappler; 1941-5-9 267 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  SBBG59713  Lomatium dasycarpum subsp. dasycarpum M. N. Ackley 1928-4-11 Los Angeles Verdugo Hills, Roscoe Comment
  POM3310  Lomatium lucidum Crawford, Hiatt s.n. Los Angeles Topanga Canyon, Santa Monica Mts. Comment
  JEPS17030  Lomatium mohavense Dr. A. Davidson 1895-1 Los Angeles Antelope Valley Comment
  RSA252876  Lomatium mohavense R. F. Thorne 1973-5-11 43516 Los Angeles North of Shoemaker Canyon between Mile High and Valyermo. 1341 Comment
  RSA0073283  Lomatium nevadense var. parishii Bonnie C. Templeton 1932-5-31 4655 Los Angeles Near Jackson Lake, Big Pines Camp, San Gabriel Mts. Comment
  RSA659927  Lomatium nevadense var. parishii Orlando Mistretta 1992-5-18 339 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  RSA250660  Lomatium vaginatum R. F. Thorne 1971-3-31 41453 Los Angeles Johnson s Pastures, N of Mountain Ave., Claremont. 549 Comment
  UC1584240  Lonicera interrupta Tim Ross, Steve Boyd 1990-6-6 2885 Los Angeles s and w Piru Pond; Los Padres National Forest, Liebre Mtn. USGS 7.5' quadrangle 644 Comment
  CAS-BOT-BC234812  Lonicera subspicata S. M. Kaune 1962-6-13 377 Los Angeles Ca. 15-20 mi. S. of Tejon Pass; on route toward Castaic, off of Hwy 99; just S. & above Oso Canon [Canyon]; S.W. end of Tehatchapi [Tehachapi] Mtns; Angeles Nat'l Forest 914 Comment
  CAS-BOT-BC234870  Lonicera subspicata var. denudata Marcus E. Jones 1926-5-20 s.n. Los Angeles Mountains near Claremont Comment
  RSA608895  Lonicera subspicata var. denudata L. C. Wheeler 1931-5-1 s.n. Los Angeles Claremont: College Way. Comment
  RSA648044  Lonicera subspicata var. denudata Orlando Mistretta 1992-7-13 s.n. Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  UCR121252  Lotus J. R. Ekhoff 2001-5-16 s.n. Los Angeles Channel Islands, north end of San Clemente Island, around new nursery 500 ft. south of Natural Resources office on south side of base headquarters, c. 1.5 mi. SE of airfield 30 Comment
  RSA251398  Lotus argophyllus subsp. ornithopus R. F. Thorne 1966-4-15 36016 Los Angeles San Clemente Island, ca. 0.5 miles SSE of Eel Point, SW side of island. 30 Comment
  RSA724431  Lotus argophyllus var. argophyllus K. Dobry 1992-6-14 d- 397 Los Angeles Santa Monica Mts. 3 mi. East of Kanan Rd off Mulholland Hwy along road Comment
  RSA273124  Lotus dendroideus var. dendroideus Glenn A. Gorelick 1978-5-26 s.n. Los Angeles Catalina Harbor, Santa Catalina Island. Comment
  RSA406926  Lotus dendroideus var. dendroideus Freda Detmers 1929-4-13 s.n. Los Angeles Santa Catalina Island. Comment
  IRVC27799  Lotus humistratus A. C. Sanders 2005-5-11 30164 Los Angeles Santa Clarita area, upper Plum Cyn along dirt track towards Cruzan Mesa from Plum Cyn Rd., NW of Forest Park between Mint and Bouquet cyns. Western San Gabriel/Liebre Mtns Region 610 Comment
  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
  SEINET12154235  Lotus nevadensis Unknown 1933-1 3529 Los Angeles Buckhorn, San Gabriel Mtns 1981 Comment
  UC62918  Lotus nevadensis var. davidsonii H. M. Hall Aug 1896 289 Los Angeles San Antonio Mts. 2133 Comment
  UC1129241  Lotus purshianus var. purshianus Jerome S. Horton 1935-7-18 210 Los Angeles above Dalton Canyon C.C.C. Camp; Pomona Quad. 426 Comment
  UC537010  Lotus purshianus var. purshianus Lawrence M. Booth 1932-7-6 1258 Los Angeles Long Beach Comment
  POM9297  Lotus salsuginosus var. salsuginosus P. A. Munz 1920-4-29 3795 Los Angeles San Dimas Canyon. 457 Comment
  UC864884  Lotus scoparius Ira W. Clokey, B. Templeton May 1929 4480 Los Angeles Mandeville Cnayon Santa Monica Mountains 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
  RSA498654  Lotus scoparius var. scoparius D. S. Krause 1939-07 s.n. Los Angeles Roadside-open field, La Canada foothills Comment
  RSA654085  Lotus scoparius var. scoparius Valerie L. Soza, Laura Moore 2000-5-10 829 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. at fire gate to powerlines. 594 Comment
  UC1595394  Lotus strigosus Tim Ross and Peter Fritsch 1990-6-20 3678 Los Angeles ridgetop between West Fork San Gabriel River and Roberts Canyon (Rincon-Red Box Rd (2N24)); San Gabriel Mountains 1328 Comment
  UCR50996  Lotus strigosus A. C. Sanders, E. J. Lawlor 1988-4-3 7748 Los Angeles Tehachapi Mountains, southwest end of the Tehachapi Mtns, l mi northwest of Gorman on a gasline rd, 0.4 mi above old highway 1284 Comment
  UCR76405  Lotus strigosus T. S. Ross 1992-4-14 6179 Los Angeles Channel Islands, San Clemente Island: central east side of island 137 Comment
  RSA660413  Lotus strigosus Orlando Mistretta 1992-5-21 379 Los Angeles Right Star Mine, S of Acton. Comment
  UCR159949  Lotus wrangelianus L. C. Wheeler 1968-4-13 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, ridge south of mouth of Big Dalton Canyon 495 Comment
  RSA355468  Ludwigia peploides subsp. peploides Anstruther Davidson 1889-07 s.n. Los Angeles Cienega, Los Angeles. Comment
  UC1481364  Lupinus albifrons David B. Dunn 1957-4-2 RSA- 6450 -8292 Los Angeles Comment
  SD224966  Lupinus bicolor B. Pitzer 1996-4-20 2694 Los Angeles Western Mojave Desert, Antelope Valley. N side of St Hwy 138 (=Ave.D), ca 2 mi. W of Country Store, at town of Neenach(ca. 30 mi. W of Hwy I-14) 915 Comment
  UCR125903  Lupinus bicolor A. C. Sanders, Mark Elvin, Julie M. Vanderwier, M. S. Enright 2002-6-26 25303 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, south of Santa Clara River on mesa 366 Comment
  UCR223463  Lupinus bicolor R. G. Swinney 2009-6-3 11052 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR51007  Lupinus bicolor A. C. Sanders, E. J. Lawlor 1988-4-3 7747 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
  SFV5483  Lupinus bicolor J. H. Lane 1972-3-22 45 Los Angeles Pomona. Field at the east end of the Cal Poly campus. Comment
  UC73210  Lupinus bicolor Miss E. D. Palmer November, 1904 Los Angeles vicinity Los Angeles; vicinity of Los Angeles Comment
  SEINET769633 Image available Lupinus bicolor subsp. marginatus D. B. Dunn, C. Epling 1946-4-19 2129 Los Angeles ).9 mile south of the junction of Hwy. 99 & 138, abundant along valley floor for several sites to the north of the Jct. & north of the town of gorman. Comment
  RSA656103  Lupinus bicolor subsp. microphyllus James Henrickson 1985-3-30 19763 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
  SEINET10970224  Lupinus bicolor subsp. tridentatus Bakker 1947-2-2 BAKKER UMO 162300 Los Angeles Collected in soledad canyon, vasquez rocks, mojave desert. Comment
  CAS-BOT-BC187877  Lupinus chamissonis L. R. Abrams 1900-5-1 272 Los Angeles Ballona Harbor Comment
  CAS-BOT-BC187880  Lupinus chamissonis G. L. Moxley 1921-6-22 1007 Los Angeles About a mile S of Playa del Rey Comment
  SBBG44121  Lupinus concinnus M. R. Benedict 1971-6-26 Los Angeles N of Wilson Cove Comment
  RSA0083088  Lupinus elatus R. G. Swinney 2010-10-8 14011 Los Angeles Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge. 2421 Comment
  UCR126665  Lupinus excubitus A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26205 Los Angeles Western San Gabriel Mtns., Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment
  RSA598255  Lupinus excubitus var. hallii R. G. Swinney 1989-11-24 1494 Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon area. Big Dalton Debris Basin. 365 Comment
  SEINET10485291  Lupinus excubitus var. hallii David B. Dunn 1957-5-18 Dunn RSA 6226 x nanus? Los Angeles Plants 3 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Pressed by howard brown. Hybridization by david b. Dunn. The numbers Are the field plant numbers of rsa. 1St # is female parent x 2nd # male Parent. () Parenthetic # is f1 plant number. Seeds from open field pollen Vector. Comment
  UCR238106  Lupinus formosus Mark A. Elvin, Julie M. Vanderwier 2002-5-7 2008 Los Angeles Western Transverse Range, Newhall Ranch, Magic Mountain, in agricultural fields east of amusement park and west if I-5 Fwy 351 Comment
  RSA2495  Lupinus formosus C. F. Baker 1909-05 5358 Los Angeles Claremont. Comment
  RSA414782  Lupinus formosus var. formosus James Clizbe 1930-5-6 16055 Los Angeles Griffith Park, Los Angeles. Comment
  UCR124411  Lupinus hirsutissimus B. C. Templeton 1968-2-25 11396 Los Angeles Channel Islands, Santa Catalina Island, near the isthmus 76 Comment
  UCR152882  Lupinus hirsutissimus A. C. Sanders, Helen Kennedy 2005-4-13 29424 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCR270639  Lupinus latifolius subsp. latifolius R. G. Swinney 2011-6-30 15376 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA17556  Lupinus latifolius subsp. parishii C. B. Wolf 1936-5-27 7846 Los Angeles Indian Canyon Camp, 2 miles off Soledad Canyon 915 Comment
  RSA229740  Lupinus longifolius Wesley O. Griesel 1961-5-19 s.n. Los Angeles State Hwy 2, La Canada Burn 609 Comment
  UCSB3311  Lupinus longifolius Haller, John 1950-4-16 Los Angeles 3 miles north of Saugus Comment
  CAS-BOT-BC211699  Lupinus longifolius Charlotte Hoak 1947-4-26 11701 Los Angeles Montrose, near La Canada Comment
  SEINET10485604  Lupinus longifolius David B. Dunn 1957-4-2 Dunn s.n. Los Angeles Plants 3 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. Seeds from open field pollen vector. Comment
  SEINET10485614  Lupinus longifolius David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. Seeds from open field pollen vector. Comment
  SEINET10969984  Lupinus longifolius August J. Breitung 1953-6-16 Breitung 15617 Los Angeles Glendora mtn rd. Plant 2-3 ft high, widely branching, shrubby below; flowers Blue or lavender, banner with a yellow spot, glabrous; keel ciliate along the Upper margin. Comment
  SD42005  Lupinus microcarpus var. densiflorus Darley F. Howe 1947-5-3 1549 Los Angeles Mint Canyon Comment
  SFV20858  Lupinus sparsiflorus L. Gross, M. Denslow, M. Sidibeh, V. Soza 2003-2-10 724 Los Angeles Verdugo Mountains South side of Verdugo Mountains along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Ridge east of the Brand Canyon Cemetary west of the land fill. Lower part of Brand Park motorway on southwest tranding ridge. 307 Comment
  UCR159988  Lupinus sparsiflorus Robin Schramm, R. Schoeninger, Vicki Schramm, Bill Schramm 1998-1 23 Los Angeles Whittier Hills, former Chevron Oil property, overgrown fire road beginning at Bacon Rd and extending behind Mar Vista School and Catalina Ave. 213 Comment
  SEINET10936766  Lupinus sparsiflorus Robert F. Thorne 1973-5-11 Thorne 43520 Los Angeles San gabriel mts. Dry ridge n of shoemaker canyon between mile high and Valyermo in pinyon-juniper woodland; flowers lavender. 1341 Comment
  OBI35615  Lupinus succulentus Rebecca Cicoria 1981-4-23 6 Los Angeles In upper end of Altamira Cyn, Rolling Hills Comment
  LA33639  Lupinus truncatus Peter H. Raven; 1959-4-4 13971 Los Angeles Santa Monica Mountains, Pt. Dume, just behind point 15 Comment
  SD120699  Lycium andersonii Larry Salata, Jan Larson 1985-12-10 Los Angeles San Clemente Island: above old quarry, north side of Nots Pier Road, 0.2 miles northest of main island road 182 Comment
  CAS-BOT-BC354341  Lycium brevipes var. hassei R. E. Riefner, Jr. 2011-8-19 11 -104 Los Angeles Palos Verdes Peninsula, Palos Verdes estates, Bluff Cove, Paseo Del Mar at Palos Verdes Drive West. 90 Comment
  POM156214  Lycium californicum L. R. Abrams 1903-3-14 3131 Los Angeles San Pedro Hills, near Rocky Point. Comment
  LA208027  Lyonothamnus floribundus subsp. aspleniifolius D. L. Johnson; 1965-1 Los Angeles Native to islands off Southern California; Planted in UCLA Botanical Garden Comment
  POM18979  Lyonothamnus floribundus subsp. aspleniifolius Philip A. Munz 1923-4-10 6758 Los Angeles San Clemente Island: deep canyon south of Lemon Tank on west coast Comment
  UC1244215  Lyonothamnus floribundus subsp. aspleniifolius Peter H. Raven 1962-7-10 17971 Los Angeles upper reaches Cave Canyon (large canyon draining southwest from Thirst); San Clemente Island Comment
  JEPS45594  Lyonothamnus floribundus subsp. floribundus W. L. Jepson 1908-7-13 3045 Los Angeles Swain Canyon Catalina Island Comment
  RSA177738  Lyonothamnus floribundus subsp. floribundus Robert F. Thorne, Percy C. Everett 1965-5-10 34450 Los Angeles Santa Catalina Island. North side of Blackjack Mountain 488 Comment
  RSA597453  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given, Gay 1994-8-2 8192 Los Angeles Santa Catalina Island. Midway in Swain's Canyon. 95 Comment
  SD53039  Lyonothamnus floribundus subsp. floribundus Peter H. Raven 1962-5-21 17816 Los Angeles Santa Catalina Island, lower end of Bullrush Canyon 182 Comment
  RSA603202  Madia elegans subsp. wheeleri Steve Boyd, Laura Moore, Michael Wall 1997-7-24 10021 B Los Angeles Liebre Mountains Region: Summit of Liebre Mountain, saddle between Richardson and Bear canyons, along Forest Service Road 7N23, 0.05 miles east of junction with road to Bear Gulch Camp (7N23A). 1646 Comment
  LA105042  Madia gracilis Barry A. Prigge; 1988-7-3 8170 Los Angeles SANTA MONICA MOUNTAINS, 0.2 mi E of jtn of Mulholland Hwy and Old Topanga Rd, across from Calabasas High School. 313 Comment
  UC625024  Madia gracilis F. R. Fosberg 1931-10-4 S 4528 Los Angeles Hamilton Canyon; Santa Catalina Island 40 Comment
  RSA639267  Madia gracilis R. F. Thorne 1971-5-18 41358 Los Angeles Santa Catalina Island: Cape Canyon. 274 Comment
  RSA586702  Madia minima Orlando Mistretta, Mark Elvin 1995-6-20 1801 Los Angeles San Gabriel Mountains: Bare Mountain canyon. head of drainage E of Pacifico Mtn. 1966 Comment
  UCR274877  Malacothamnus davidsonii Josh Corona-Bennett 2010-5-8 s.n. Los Angeles Western Transverse Range, northern edge of city of San Fernando, on western slope of Lopez Debris Basin, c. 10 ft. east of Maclay St. 397 Comment
  LA30496  Malacothamnus fasciculatus Jane Turner; T. Mosquin 1958-11-16 C 49 Los Angeles 472 Comment
  RSA0091130  Malacothamnus fasciculatus R. G. Swinney 2010-5-7 12580 Los Angeles Lake View Terrace, ridge to the immediate west of Oliver Canyon, 0.8 air mile N of I-210 Fwy. 494 Comment
  RSA9543  Malacothamnus fasciculatus Fay A. MacFadden 1929-6-4 1591 Los Angeles Verdugo Mountains: Tuna Canyon. 335 Comment
  SBBG121872  Malacothamnus fremontii A. Parikh, N. Gale 2005-5-20 774 Los Angeles North Sierra Pelona, 2 km S of California Aqueduct, 3.6 km W of St Hwy 14 1005 Comment
  JEPS85115  Malacothamnus marrubioides Roy E. Buck, Rexford Palmer 1989-4-28 1227 Los Angeles N-Facing Slope Osito Canyon 731 Comment
  UC729478  Malacothamnus marrubioides Carl B. Wolf 1932-9-15 4082 Los Angeles 9 1/2 mi Saugus (Opposite Glenwood's Cafe on the Highway); Mint Canyon 457 Comment
  POM6234  Malacothrix coulteri Marjorie Shaw, Edna Spaulding, C. L. Walton 1917-4-8 s.n. Los Angeles Antelope Valley 762 Comment
  RSA95031  Malacothrix coulteri F. W. Peirson 1927-5-7 7273 Los Angeles 3 miles south of Muroc, Mojave Desert Comment
  CAS-BOT-BC8130  Malacothrix foliosa Joseph Cook (Rev.) Nevin; William S. Lyon 1885-4-1 s.n. Los Angeles San Clemente Island Comment
  RSA150912  Malacothrix foliosa P. H. Raven 1962-5-8 17625 Los Angeles Near western shore of island, opposite Wilson Cove, San Clemente Island. 46 Comment
  JEPS36641  Malacothrix glabrata F. W. Peirson 1921-6-20 2149 a Los Angeles North Fork San Gabriel River San Gabriel Mts. 762 Comment
  UCR191312  Malacothrix glabrata R. G. Swinney 1998-7-10 6357 Los Angeles San Gabriel Mtns., Prairie Fork, 300 m west of Cabin Flats Campground 1598 Comment
  CAS-BOT-BC347911  Malacothrix saxatilis var. tenuifolia L. R. Abrams 1917-7-7 6608 Los Angeles Laurel Canon [Canyon], Santa Monica Mts. Comment
  CAS-BOT-BC347947  Malacothrix saxatilis var. tenuifolia Fordyce Grinnell, Jr. 1916-9-2 s.n. Los Angeles San Gabriel Mts. - near Pasadena Comment
  SD42639  Malacothrix saxatilis var. tenuifolia Darley F. Howe 1947-3-22 1600 Los Angeles Coast north of Santa Monica Comment
  POM9531  Malacothrix saxatilis var. tenuifolia P. A. Munz, R. D. Harwood 1920-5-17 3995 Los Angeles N Topango [Topanga] Canyon, Santa Monica Mtns. 61 Comment
  CAS-BOT-BC170388  Malosma laurina Alice Eastwood 1917-7-20 6484 Los Angeles Santa Catalina Island Comment
  RSA386400  Malosma laurina George B. Grant 1901-6-25 4458 Los Angeles Sturdevant's Camp Trail, Sierra Madre Mountains Comment
  UCR131416  Malva nicaeensis Alison Lipman 1998-3-12 s.n. Los Angeles South Coastal Plains Region, Rancho Palos Verdes, north of Montemalaga and west of Malaga Canyon 122 Comment
  SD144452  Malva nicaeensis B. Pitzer 1996-4-27 2725 Los Angeles City of Signal Hill, Reservoir Park, on Wardlow Rd between Orange St & Walnut St, E of Long Beach Blvd Comment
  RSA652804  Malva parviflora S. Koukol, R. Koukol 1998-5-3 32 Los Angeles La Verne, Foothill Blvd., 75 m W. of Wheeler Avenue. 334 Comment
  UC1922578  Malva parviflora Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1142 Los Angeles Transverse Ranges; Verdugo Mountains region; Mouth of McDonald Creek. 335 Comment
  UCR155934  Malva parviflora A. C. Sanders 2005-5-5 29895 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool 655 Comment
  RSA529299  Malva parviflora Tim S. Ross 1991-4-8 4457 Los Angeles Elephant Hill: western Pomona. 229 Comment
  POM158130  Malvella leprosa L. R. Abrams 1902-8-16 2959 Los Angeles Mesmer Comment
  SBBG132315  Malvella leprosa S. A. Junak 1991-4-26 SCI- 235 Los Angeles NE end of island, just off main rd 121 Comment
  CATA982  Marah fabacea Mark L. Hoefs 1994-5-21 1853 Los Angeles Santa Catalina Island: Southeast end of Renton Mine Road 262 Comment
  POM296982  Marah macrocarpa Karen Hosterman 1957-4-8 964 Los Angeles Santa Catalina Island. Avalon; just E of Stables on road to Bird Park; E-W Canyon. Comment
  RSA440963  Marah macrocarpa F. R. Fosberg 1931-4-15 4628 Los Angeles Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island 180 Comment
  UCR216755  Marah macrocarpa R. G. Swinney 2009-2-20 10007 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  UCSB52719  Marah macrocarpa Boutin, F. 1967-4-23 Los Angeles San Clemente Island; E side of island, Lemon Tank, a dump site 304 Comment
  RSA586293  Marah macrocarpa var. macrocarpa Orlando Mistretta 1995-2-28 1526 Los Angeles San Gabriel Mountains, Carr Canyon. 1037 Comment
  RSA179938  Marrubium vulgare E. C. Twisselmann 1965-5-18 10854 Los Angeles Aqueduct Road at the northwest end of Antelope Valley (Neenach region). 945 Comment
  SD30974  Marrubium vulgare Edith A. Purer 1931-4-3 1752 Los Angeles Palos Verdes Hills. Comment
  CAS-BOT-BC348119  Matricaria discoidea Alice Eastwood 1906-5-27 188 Los Angeles Country adjacent to Los Angeles. San Pedro Comment
  UCR17992  Meconella denticulata Martha Hilend 1928-4-18 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, Los Angeles Comment
  RSA0089140  Medicago polymorpha R. G. Swinney 2010-5-7 12596 Los Angeles 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
  LA200486  Medicago polymorpha Louis Wheeler; 1934-2-2 2368 Los Angeles Santa Monica Mountains, Elysian Park 121 Comment
  RSA759637  Medicago sativa K. Dobry 1991-6-24 733 Los Angeles At Soka Univ. Santa Monica Mts. Las Virgenes and Mulholland Hwy. Comment
  RSA348066  Medicago sativa E. A. Purer, Freda Detmers 1931-3-25 14048 Los Angeles Near Torrance. Comment
  CAS-BOT-BC281496  Melica imperfecta H. E. Hasse 1891-4-1 s.n. Los Angeles Near Santa Monica Comment
  CAS-BOT-BC281511  Melica imperfecta Peter H. Raven; Henry J. Thompson 1959-5-5 14149 Los Angeles Santa Monica Mts. Mulholland Highway, 1 mile W of Las Virgenes Rd, Malibu Creek drainage 274 Comment
  CATA127  Melica imperfecta Mark L. Hoefs, A. Douglas Propst 1973-3-14 97 Los Angeles Santa Catalina Island: Ridge between Cape and Skull Canyons 304 Comment
  POM223248  Melica imperfecta L. C. Wheeler 1933-7-4 1896 Los Angeles San Dimas Canyon, San Gabriel Mountains. 534 Comment
  RSA133750  Melica imperfecta P. H. Raven 1959-4-4 13960 Los Angeles Just east of Zuma Beach, Point Dume 30 Comment
  RSA248859  Melica imperfecta R. F. Thorne 1973-4-11 42841 Los Angeles San Clemente Island, wet bottom of Norton Canyon. 274 Comment
  UCR142483  Melica imperfecta F. R. Fosberg 1931-3-31 S- 4430 Los Angeles Channel Islands, Santa Catalina Island, Avalon 8 Comment
  UCR260326  Melica imperfecta R. G. Swinney 2010-5-4 12550 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
  RSA226?71  Melica imperfecta R. F. Thorne 1971-6-17 39925 Los Angeles 1.3 miles below Bear Divide Station junction, along Little Tujunga Canyon Rd. 671 Comment
  SEINET10599466  Melica imperfecta Hermann E. Hasse, John H. Kellogg Hasse s.n. Los Angeles Comment
  UCR217710  Melilotus albus A. C. Sanders, Dan S. Cooper 2010-8-5 38545 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  UCR219255  Melilotus albus Lorraine Weller 2009-8-27 082709- 01 Los Angeles Project Youth Green garden, 12467 West Osborne St., Pacoima 316 Comment
  LA82122  Melilotus albus O. H. Kappler; 1941-4-10 197 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  RSA534152  Melilotus indicus Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5051 a Los Angeles San Clemente Island: Lower Wilson Cove Canyon; bouldery, rocky draw SW of and above pier operations. 15 Comment
  RSA652189  Melilotus indicus G. F. Orr 1956-3-12 s.n. Los Angeles At junction of Sepulveda Blvd. and Mulholland Dr., Sherman Oaks. 243 Comment
  UC57020  Mentha canadensis Ernest Braunton July 1902 598 Los Angeles <L. A. River?> <Los Angeles River?> Comment
  UCR177518  Mentha suaveolens Scott D. White 2003-7-31 9718 Los Angeles Transverse Ranges; San Gabriel Mountains region, Tujunga area. Big Tujunga Wash south of the I-210 freeway. S terminus of Christy Ave. 329 Comment
  UCR220261  Mentzelia R. G. Swinney 2009-4-28 10503 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  RSA440350  Mentzelia affinis Anstruther Davidson 1912-05 2805 Los Angeles Van Nuys Comment
  SDSU8085  Mentzelia affinis D. F Howe 1947-5-6 1563 Los Angeles North face of San Gabriel Mts., Comment
  RSA440369  Mentzelia albicaulis Anstruther Davidson 1906-07 2792 Los Angeles Rock Creek Comment
  RSA233510  Mentzelia congesta Robert F. Thorne, C. W. Tilforth 1972-6-29 s.n. Los Angeles Angeles National Forest: Summit of Table Mountain above Big Pines. 2287 Comment
  POM83634  Mentzelia dispersa George B. Grant 1906-6-15 s.n. Los Angeles Mount Wilson: summit. 1829 Comment
  CLARK-A1528-3164  Mentzelia gracilenta John C. Roos 1937-3-25 543 Los Angeles Lancaster Comment
  IRVC26950  Mentzelia laevicaulis A. C. Sanders, Mark Elvin 2003-8-7 27176 Los Angeles Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur NE end of Santa Susana Mtns. 267 Comment
  SBBG20533  Mentzelia micrantha E. R. Blakley 1963-12-7 6373 Los Angeles 200 yds SE of new air strip 60 Comment
  UCR256218  Mentzelia micrantha R. G. Swinney 2010-6-4 13039 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
  RSA658896  Mentzelia micrantha Geraldine Dodd 1992-5-25 17 Los Angeles 4 miles north of corner of Mira Monte Ave. & Mt. Wilson Trail Dr. in Sierra Madre. San Gabriel Mtns. 854 Comment
  RSA233607  Mesembryanthemum nodiflorum R. F. Thorne 1970-3-6 39409 Los Angeles Indian Rock in Emerald Bay, Santa Catalina Island. 15 Comment
  CAS-BOT-BC435290  Mesembryanthemum nodiflorum Robert F. Thorne 1970-3-6 39397 Los Angeles Santa Catalina Island: Indian Rock in Emerald Bay 15 Comment
  RSA393755  Micropus californicus var. californicus L. C. Wheeler 1934-4-17 2529 Los Angeles San Gabriel Mountains, Palmer Canyon 510 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
  UCR153573  Microseris lindleyi A. C. Sanders, T. B. Salvato 2005-4-26 29717 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
  RSA660420  Microseris lindleyi Orlando Mistretta 1992-5-21 396 Los Angeles Right Star Mine, S of Acton. Comment
  JEPS4580  Mimulus Frank W. Peirson 1919-5-18 434 Los Angeles hills e Monrovia Canyon; San Gabriel Mountains 457 Comment
  LA51927  Mimulus aurantiacus Don P. Mullally; 1950-7-10 sn Los Angeles 259 Comment
  RSA250689  Mimulus aurantiacus Robert F. Thorne 1971-4-2 41432 Los Angeles Johnson's Pasture's, N. of Mountain Avenue, Claremont. 549 Comment
  RSA641692  Mimulus aurantiacus Orlando Mistretta 1993-6-2 866 Los Angeles San Gabriel Mountains: Vincent Gulch Mine. 2079 Comment
  RSA724657  Mimulus aurantiacus K. Dobry 1991-5-20 601 Los Angeles West San Gabriel Mts. along Little Tujunga Rd up to Bear Divide. Comment
  HSC49069  Mimulus aurantiacus var. pubescens Patricia Shesgreen 1978-6-17 107 Los Angeles Whittier Hills, 0.4 mi. E of Painter Ave., N side of Turnbull Canyon Rd. Comment
  RSA668845  Mimulus aurantiacus var. pubescens Carl Wishner 2002-4-2 4230 Los Angeles Puente Hills (Whittier Hills portion), along Turnbull Canyon Road, 1,100 feet northwest of Workman Hill. 305 Comment
  UCR220376  Mimulus aurantiacus var. pubescens R. G. Swinney 2009-4-15 10343 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, north of Azusa, El Encanto Azusa River Wilderness Park 296 Comment
  RSA442697  Mimulus aurantiacus var. puniceus Freda Detmers 1929-4-13 s.n. Los Angeles Santa Catalina Island. Comment
  UCD122435  Mimulus brevipes Daryl Koutnik 1978-3-31 198 Los Angeles West fork of Triunfo Creek, south of Westlake. 411 Comment
  RSA776484  Mimulus breweri LeRoy Gross, Jane Tirrell 2011-7-20 5534 Los Angeles Lily Spring, north of Mt. Hawkins. 2500 Comment
  RSA420662  Mimulus cardinalis F. R. Fosberg 1931-5-6 S- 4807 Los Angeles Cape Canyon. Santa Catalina Island. 220 Comment
  UCR209600  Mimulus cardinalis R. G. Swinney 2008-7-2 9136 Los Angeles San Gabriel Mtns., north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
  JEPS30709  Mimulus floribundus Peter H. Raven, W. O. Griesel 1961-10-13 16843 Los Angeles about 200 yards above Switzers Camp; Upper Arroyo Seco 762 Comment
  RSA795195  Mimulus floribundus Jane Tirrell, Graham Bothwell, Walter Fidler, Shirley Imsand, Rich Philibosian 2012-7-27 LS 0137 Los Angeles South side California State Route 2 in seep between mile markers 66.82 and 66.43. 2239 Comment
  SBBG31099  Mimulus floribundus R. F. Thorne, M. Z. Thorne 1966-4-30 36414 Los Angeles Fern Cyn, W of Orizaba Mtn 228 Comment
  RSA660263  Mimulus floribundus Orlando Mistretta, Peter L. Morrell 1992-6-4 492 Los Angeles Traverse Ranges: San Gabriel Mnts region: Short Cut Canyon, OVH area. Arroyo District, paralleling Big Tujunga. Comment
  RSA578656  Mimulus fremontii Tim S. Ross, J. Mark Porter 1994-5-1 7597 Los Angeles Open desert ca. 1870m SW of Three Sisters buttes, along Black Butte Basin Road. 961 Comment
  RSA727245  Mimulus fremontii R. G. Swinney 1998-6-12 6191 Los Angeles NW of Jackson Lake at Ball Flat, 0.3 mi north of Big Pines Hwy on 4N16, Ball Flats Rd. 1866 Comment
  RSA547479  Mimulus guttatus Tim S. Ross, Orlando Mistretta 1992-7-24 6763 Los Angeles Vicinity of Strawberry Spring, 76 deg. ENE, 900 m distant from Strawberry Peak summit 1460 Comment
  UCR190058  Mimulus guttatus R. G. Swinney 1998-9-7 6935 Los Angeles San Gabriel Mtns., Dawson Peak Ridge Trail at far NE tributary of upper Fish Fork San Gabriel River, 1.3 mi. west of Dawson Peak 2524 Comment
  UCR205622  Mimulus guttatus R. G. Swinney 2008-5-13 8861 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, Holcomb Canyon at junction with South Fork Trail 1390 Comment
  JEPS84376  Mimulus guttatus Roxanne Bittman 1977-5-14 47 Los Angeles 14 mi w Elizabeth Lake Road (on n side of Bouquet Canyon Road) 731 Comment
  RSA251414  Mimulus guttatus Robert F. Thorne 1966-4-17 36125 Los Angeles San Clemente Island, upper reaches of Box Canyon, NW of Horse Canyon, SW of Thirst. 244 Comment
  RSA640455  Mimulus guttatus Louis C. Wheeler 1967-5-15 9595 Los Angeles San Gabriel Mountains: Elsmere Canyon; bottom of canyon near mouth. 434 Comment
  RSA797956  Mimulus guttatus E. A. Purer 1935-5-11 6575 Los Angeles Malibu Road, [Santa Monica Mountains] Comment
  UCD122634  Mimulus guttatus Collector Unknown 1923-5-22 283 Los Angeles Eaton Canyon, Oak Flat, California. Comment
  RSA0056591  Mimulus johnstonii Robert F. Thorne, C. W. Tilforth 1971-6-30 40830 Los Angeles San Gabriel Mountains, Angeles National Forest: 3.3 miles below Alder Saddle along and above S Fork of Little Rock Creek. 1433 Comment
  RSA0105221  Mimulus palmeri R. G. Swinney 2011-6-7 15027 Los Angeles San Gabriel Mountains: Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road. 1585 Comment
  RSA588304  Mimulus pilosus Orlando Mistretta 1994-4-15 1067 A Los Angeles Santiago canyon: W slopes of drainage near confluence with Little Rock Creek. 1113 Comment
  UC50347  Minuartia douglasii H. M. Hall Apr. 1903 3761 Los Angeles Playa del Rey Comment
  RSA611641  Minuartia pusilla Steve Boyd, Valerie Soza, Mike Kinney, J. Mark Porter 1998-3-24 10121 B Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail. 1121 Comment
  SD237524  Mirabilis laevis R. G. Swinney 2009-5-13 10774 Los Angeles Transverse Rangee; San Gabriel Mtns.: upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Junipr Hills. 1121 Comment
  SFV5393  Mirabilis laevis J. Turner, F. M. Ball, C. Blake 1962-6-2 s. n. Los Angeles Mojave Desert About 0.5 miles north of Pearblossom. 915 Comment
  LA200670  Mirabilis laevis var. crassifolia A. M. Johnson; 1934-4-20 4421 Los Angeles Santa Monica Mountains, Sepulveda Canyon 152 Comment
  UC535638  Mirabilis laevis var. crassifolia Ira W. Clokey, B. Templeton May 1929 4499 Los Angeles Mandeville Canyon, Santa Monica Mountains 350 Comment
  RSA0027968  Mirabilis laevis var. crassifolia Orlando Mistretta 1992-4-5 191 Los Angeles Guds, San Clemente Island. Comment
  UC212963  Mirabilis laevis var. crassifolia S. B. Parish 1918-6-5 11877 Los Angeles Playa del Ray Comment
  UC7705  Mollugo verticillata A. Davidson Sept 1893 Los Angeles Garvanza; Los Angeles Comment
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Nov 25 2011
  UCR182739  Monardella R. G. Swinney 1997-7-16 5656 Los Angeles San Gabriel Mtns., Buford Canyon, 0.5 mi. west of San Bernardino Co. line, south of Hwy 2 and Swarthout Valley, c. 2 air miles west of Wrightwood 2195 Comment
  SBBG127049  Monardella breweri subsp. lanceolata A. Parikh, N. Gale 2011-7-6 3540 Los Angeles rd to Barley Flats, 3.9 km W of Shortcut Station, 1 km N of St Hwy 2; San Gabriel Mtns 1688 Comment
  CAS-BOT-BC220135  Monardella exilis Robert F. Thorne; G. Wallace 1973-4-24 43450 Los Angeles Antelope Valley, Western Mojave Desert: Lovejoy Buttes, N of Llano 914 Comment
  UCR219836  Monardella hypoleuca subsp. hypoleuca Mark A. Elvin, Adam Clause 2008-5-30 5972 Los Angeles Transverse Range; Santa Monica Mtns., Santa Ynez Canyon, c. 300 m north of Ver de La Montura Rd. Comment
  RSA600984  Monardella lanceolata Louis C. Wheeler 1967-6-26 9885 Los Angeles Elsmere Canyon. 441 Comment
  UCR190471  Monardella saxicola R. G. Swinney 2000-6-25 7800 Los Angeles San Gabriel Mtns., ridge on west side of San Antonio Canyon, between Evey Cyn. and nameless 1st canyon to north, c. 1/2 mi. west of San Antonio Cyn. Rd. 1159 Comment
  UCR141076  Monoptilon bellidiforme June Latting 1973-4-29 s.n. Los Angeles Mojave Desert, near Three Sisters hills along Black Butte Road, Antelope Valley, NE of Llano 976 Comment
  POM211814  Montia stenophylla L. C. Wheeler 1934-2-13 2380 Los Angeles 1 mi. NE Puddingstone Dam (Harwood Hill) San Jose Hills. 351 Comment
  OBI73115  Morus alba Matt Ritter 2010-4-2 5068 Los Angeles Street tree, Claremont Comment
  RSA0010784  Morus australis LeRoy Gross, Bill Hogshead, Valerie Soza 2003-5-29 965 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. 549 Comment
  RSA603263  Muhlenbergia californica L. C. Wheeler 1932-9-9 1360 Los Angeles San Antonio Canyon 1067 Comment
  RSA6596  Muhlenbergia microsperma Fay A. MacFadden 1930-06 2505 Los Angeles Verdugo Mountains: Tuna Canyon. 335 Comment
  POM209995  Muhlenbergia richardsonis Victor Duran 1933-7-20 3522 Los Angeles Buckhorn, San Gabriel Mountains. 1982 Comment
  RSA729338  Muhlenbergia richardsonis R. G. Swinney 1999-6-30 7482 Los Angeles Grand View Canyon, c. 1.3mi. north of Big Pines Hwy at All Nations Camp. 1561 Comment
  SD52293  Muhlenbergia rigens A. J. McClatchie 1891-8-3 11955 Los Angeles Pasadena Comment
  UCR259272  Muilla maritima R. G. Swinney 2010-5-4 12517 Los Angeles San Gabriel Mountains, north of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park 457 Comment
  POM1689  Muilla maritima J. H. K. 1909-6-7 21 Los Angeles Claremont. 365 Comment
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Oct 10 2009
  RSA377601  Muilla maritima Thekla Mohr s.n. Los Angeles Eaton Canyon. Comment
  RSA96721  Muilla maritima E. K. Balls 1954-4-27 19088 Los Angeles Native to Botanic Garden, Claremont. 396 Comment
  SBBG31499  Munzothamnus blairii R. M. Beauchamp 1967-3-18 Los Angeles in cyn below Lemon Tank 243 Comment
  SBBG98519  Munzothamnus blairii T. Ross 1991-5-23 5491 Los Angeles lower Tota Cyn, E escarpment 67 Comment
  SD53058  Munzothamnus blairii Peter H. Raven 1962-4-12 17310 Los Angeles San Clemente Isdland; large canyon below the Tomb. 245 Comment
  SD143827  Myoporum laetum Scott D. White 1997-3-12 4629 Los Angeles Zuma Beach Area; mouth of Zuma Creek, east end of the County Beach. 7 Comment
  UCR193719  Nama 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
  UCR282041  Nama demissa R. G. Swinney 2014-4-18 16110 Los Angeles San Gabriel Mountain/Mojave Desert, SW of Littlerock, 1.4 miles east of Cheseboro Rd., 100-300 m south of California Aqueduct, west of Little Rock Siphon and Little Rock Wash 968 Comment
  SEINET10532387  Narcissus pseudonarcissus David B. Dunn 1946-1 Dunn 2001 Los Angeles Ornamental in the yard at 316 N Ave. 50, Los Angeles. Comment
  CAS-BOT-BC259787  Nassella cernua Alice Eastwood 1906-5-27 227 Los Angeles Roscoe Comment
  RSA713829  Nassella cernua A. C. Sanders 2003-7-15 27100 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, Magic Mountain area, 0.9 mi. south of Castaic Junction, west of 'water tanks'. 335 Comment
  RSA91824  Nassella cernua F. W. Peirson 1923-4-12 3419 Los Angeles Wilson's Cove, San Clemente Island Comment
  POM222229  Nassella lepida L. C. Wheeler 1936-6-8 4125 Los Angeles San Gabriel Mountains: Bell-San Dimas Canyon divide 960 Comment
  UC121727  Nassella lepida T. S. Brandegee 1890-5-12 59 Los Angeles Santa Catalina Island Comment
  RSA680325  Nemacladus Scott D. White, Michael Honer, Dylan Hannon 2003-6-25 9601 Los Angeles Liebre Mountains: Tapia Canyon area, ca. 2 - 3 air miles west of I-5 jtn. w/ Ridge Rt. Rd. 396 Comment
  POM7687  Nemacladus ramosissimus P. A. Munz, R. D. Harwood 1920-4-21 3695 Los Angeles San Dimas Canyon; South face of San Gabriel Mts 457 Comment
  RSA75121  Nemacladus ramosissimus F. W. Peirson 1918-6-4 220 Los Angeles Burned area in Hlls east of Rubio Canyon Comment
  SFV4910  Nemacladus ramosissimus M. H. Grayum 1971-5-20 s. n. Los Angeles Santa Monica Mountains Along headwaters of Cold Creek near Stunt Road. Along small, dry rill in burnt-over area. 488 Comment
  RSA605660  Nemacladus sigmoideus L. C. Wheeler 1965-5-19 8701 Los Angeles San Gabriel Mountains: Upper Big Tujunga, ca. 1 mile E of Alder Creek. Comment
  SFV6664  Nemophila menziesii T. Gordon, K. A. Wilson, J. Cicero 1974-5-24 223 Los Angeles San Gabriel Mountains Gold Creek Canyon. Side canyon of Little Tujunga Canyon. Watts Ranch. 660 Comment
  CAS-BOT-BC7217  Nemophila menziesii var. integrifolia Harvey Monroe Hall 1902-5-1 3081 Los Angeles Antelope Valley, vicinity of Elizabeth Lake, Pine Canyon. 1219 Comment
  UCR124610  Nemophila menziesii var. integrifolia I. W. Clokey, B. C. Templeton 1929-1 4454 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  RSA598872  Nemophila menziesii var. menziesii Steve Boyd, T. S. Ross 1997-3-21 9238 Los Angeles Liebre Mountains, Portal Ridge, upper Broad Canyon, ca. 1 mile east of VABM King and 1.2 miles east of the junction of Forest Service Roads 7N07 and 7N07A, along the ridgeline dividing Bleich Canyon and Broad Canyon. 1195 Comment
  UCR259347  Nemophila menziesii var. menziesii Mitch Provance, Callen Huff 2009-4-28 10714 Los Angeles Tehachapi Mountains, Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 1.3 miles ENE of Gorman; site PO1086 1371 Comment
  CAS-BOT-BC465566  Nephrolepis cordifolia R. E. Riefner, Jr. 2014-7-27 14 -258 Los Angeles City of Long Beach, N of E 2nd St. and W of Marine Stadium Park, Alamitos Bay, along docks on Bay Shore Ave. at E Broadway St. 4 Comment
  UCR105963  Nerium oleander L. C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mtns., Pacoima Canyon opposite Ant Canyon 640 Comment
  UCR260374  Nerium oleander R. G. Swinney 2010-4-1 12157 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  RSA730311  Nicotiana attenuata R. G. Swinney 1998-9-4 6912 Los Angeles San Gabriel Mtns.: NW of Wrightwood, eastern end of Jackson Flat. 2287 Comment
  UCSB13349  Nicotiana attenuata Breedlove, Dennis 1961-8-4 Los Angeles intersection between Big Pines Highway and Largo Vista Road; E slope of San Gabriel Mtns Comment
  RSA426678  Nicotiana bigelovii Anstruther Davidson 1889-07 s.n. Los Angeles Los Angeles. Comment
  UC1871018  Nicotiana glauca T. S. Ross, W. Appleby 1993-5-19 7179 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mountains: long SSE-trending ridge S of Wilson Canyon Saddle; San Fernando 7.5' USGS quad; R15W T3N NE/4 NW/4 SW/4 sect 15; elevation ca. 2520 ft. 768 Comment
  SEINET12856150  Nicotiana quadrivalvis H. M. Hall 1905-1 300 Los Angeles plants collected from Botanical Gardens at UC Berkeley from seeds collected from San Francisquito Creek Comment
  SEINET10696847  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3964 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  SBBG31151  Nuttallanthus texanus R. F. Thorne 1966-4-28 36244 Los Angeles near jct of Wrigley Drive and Renton Mine Rd 91 Comment
  CAS-BOT-BC167061  Oenothera californica Peter H. Raven 1959-3-31 13905 Los Angeles 2.5 miles west of [Littlerock] Little Rock Comment
  RSA699495  Oenothera dentata Seacord s.n. Los Angeles West Mojave. Comment
  UCR205201  Oenothera elata subsp. hirsutissima R. G. Swinney 2005-8-11 8454 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UC1007163  Oenothera elata subsp. hirsutissima Philip A. Munz 1935-9-22 14009 Los Angeles Claremont Comment
  UCR206506  Oenothera laciniata A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36967 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  RSA524959  Oenothera laciniata John Dolan 1991-4-30 s.n. Los Angeles Claremont. Comment
  RSA187761  Oligomeris linifolia Robert F. Thorne 1966-4-5 35868 Los Angeles Santa Catalina Island, Cottonwood Canyon. 107 Comment
  POM60684  Oligomeris linifolia F. W. Peirson 1908-4-18 1924 Los Angeles Point Fermin. Comment
  SBBG124184  Opuntia basilaris var. basilaris R. Burgess, D. Magney, P. Munro 1994-7-9 1396 A Los Angeles Hungry Valley, along Hungry Valley Rd, Hungry Valley State Vehicle Recreation Area 1280 Comment
  RSA122579  Opuntia parryi P. L. Johannsen 1934-2-26 3942 Los Angeles Soledad Canyon. 381 Comment
  UC557624  Opuntia prolifera Nell Murbarger 1936-3 93 Los Angeles San Clemente Island; on mesa summit and w and s sides Comment
  POM285262  Opuntia vaseyi Lyman Benson 1953-6-3 15131 Los Angeles Southeast of Indian Hill, Claremont. 427 Comment
  RSA680010  Oreonana vestita LeRoy Gross, Valerie Soza 2003-6-10 1018 Los Angeles Mount Baldy Trail from Baldy Village to summit of Mount San Antonio. South of West Baldy. 2896 Comment
  POM353682  Orobanche bulbosa H. E. Hasse 1893-08 s.n. Los Angeles Acton. Comment
  RSA0078632  Orobanche californica subsp. feudgei F. W. Peirson 1929-7-1 8435 Los Angeles Aliso Creek, San Gabriel Mts. 1584 Comment
  UCR227371  Orobanche fasciculata Orlando Mistretta, Christine Mistretta 2008-5-14 3081 Los Angeles Transverse Range; San Gabriel Mountains, Southern California Edison transmission line corridor (Segment 6, structure 73 & 74 per TRTP Survey 2008), near head of Shortcut Canyon (W Fork San Gabriel River) 1463 Comment
  UCR273573  Orobanche fasciculata R. G. Swinney 2011-7-7 15431 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  JEPS70817  Orobanche fasciculata Robert Ornduff 1973-5-14 7898 Los Angeles n.e. La Canada (roadside opposite Singing Springs); San Gabriel Mts. Comment
  JEPS2672 Image available Orobanche valida Frank W. Peirson and Mabel B. Peirson 1928-6-2 7937 Los Angeles South Fork Rock Creek San Gabriel Mts.; South Fork Rock Creek, San Gabriel Mts., Los Angeles Co. 1905 Comment
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Jan 24 2011
  RSA402083  Orthocarpus purpurascens H. de Forest 15753 Los Angeles Palisades del Rey, at the beach Comment
  RSA570046  Orthocarpus purpurascens var. purpurascens Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4903 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity. 492 Comment
  SEINET10920902  Oryza sativa Mary Merello, Heidi H. Schmidt 1999-12-4 Merello 2549 Los Angeles City of Los Angeles. Little Tokyo. Enbun Market, 124 Japanese Village Plaza. Comment
  UCR190129  Osmorhiza chilensis R. G. Swinney 1998-10-3 7013 Los Angeles San Gabriel Mtns, upper Fish Fork San Gabriel River, c. 1 mile east (upstream) from Upper Fish Fork Campground 2012 Comment
  OBI54401  Oxalis corniculata Steve Morgan 1974-5-1 92 Los Angeles 1212 E. Las Tunas Dr, San Gabriel 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
  UCR202931  Oxytheca parishii R. G. Swinney 2001-8-22 8070 Los Angeles San Gabriel Mtns., 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2305 Comment
  CHSC83702  Packera ionophylla John Dittes; Gina Hall 1990-7-19 259 Los Angeles Transverse Range; San Gabriel Mts., North of Kratka Ridge, ca. 1.7 air miles east of Cloudburst Summit, North of Angeles Crest Highway. Along slope above Burkhart Trail between Buckhorn Flat Campground and Cooper Canyon. 1889 Comment
  RSA228986  Packera ionophylla R. F. Thorne 1971-8-25 41279 Los Angeles Angeles National Forest: Just N of summit of Mt. Hawkins on saddle between Hawkins & Throop Peak 2667 Comment
  SEINET5337444  Paeonia brownii I. W. Clokey, E. G. Anderson 1931-3-11 5339 Los Angeles San Gabriel Canyon, Brushy hillside. 900 Comment
  UCR261322  Paeonia californica R. G. Swinney 2010-3-13 11884 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  RSA756986  Panicum dichotomiflorum subsp. dichotomiflorum A. C. Sanders 2009-11-6 37210 Los Angeles Madrona Marsh, Torrance 24 Comment
  SBBG83251  Parapholis incurva M. Daily 1986-4-7 SCa-t- 8 Los Angeles Bird Rock Comment
  SBBG36277  Parietaria hespera var. californica S. A. Junak with K. Kirkland 1998-5-2 SCa 652 Los Angeles near top of coastal bluffs, ca. 1 air mi W of East Pk at end of ridge SW of Pk 1245 228 Comment
  UCR130586  Parietaria hespera var. hespera R. E. Riefner Jr. 2000-8-29 00- 756 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
  UCR68913  Parietaria hespera var. hespera Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4241 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  CAS-BOT-BC173258  Parietaria judaica R. E. Riefner, Jr. 2006-1-12 06 -13 Los Angeles South Coast: San Pedro, Point Fermin 13 Comment
  UCR110595  Parnassia californica L. C. Wheeler 1964-11-6 8642 Los Angeles North Fork San Gabriel River: Yucca Flat, near falling spring between Coldbrook and Crystal Lake Comment
  UC1922064  Parthenocissus inserta Scott D. White, A. Warniment 2006-7-18 11635 Los Angeles SE TEHACHAPI MTNS.: Gorman area, riparian zone along Gorman Creek, NE of the I-5 Freeway. Comment
  CATA1415  Paspalum dilatatum Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1995-11-11 2569 Los Angeles Santa Catalina Island: Lower Descanso canyon, just above Descanso Beach 6 Comment
  POM364358  Paspalum distichum Anstruther Davidson 1889-06 s.n. Los Angeles Los Angeles. Comment
  SEINET4670192  Paspalum distichum G. B. Grant 1904-7-14 912 Los Angeles Los Angeles Comment
  CATA436  Pectocarya linearis subsp. ferocula Sara L. Crockett, Mark Elvin 1997-3-17 574 Los Angeles Santa Catalina Island: Top of SE-trending ridge, overlooking road ca. 1.25 mies NE on Cape Canyon Road from jct. with Middle Ranch Road 381 Comment
  SD215434  Pectocarya penicillata Steve Boyd, Lauren Raz 1997-3-25 9279 Los Angeles Liebre Mountains Region; Knapp Ranch area at upper end of Castaic Crek drainage in broad alluvial valley at head of Cienaga Canyon south of Liebre Mountain, flats and slopes just northeast of ranch compound. 975 Comment
  UCR185598  Pectocarya penicillata A. C. Sanders 2007-4-25 33583 Los Angeles Tehachapi Mtns., Oso Canyon, 0.75 mi. SE of the Kern Co. line along Oso Cyn. Rd. 1143 Comment
  UCR255768  Pectocarya penicillata R. G. Swinney 2010-5-12 12706 Los Angeles San Gabriel Mountains/Mojave Desert, Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone 921 Comment
  RSA599267  Pectocarya setosa Steve Boyd, Lauren Raz 1997-3-31 9441 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
  RSA709628  Pectocarya setosa LeRoy Gross 2005-4-28 2122 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.)., East of Mt. Emma Road. Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  LA32241  Pedicularis densiflora Henry J. Thompson; 1959-3-31 1010 Los Angeles Santa Monica Mountains, Lobo Canyon, 0.7 mi from Triunfo Canyon, 2 mi W of Cornell 243 Comment
  UCR209470  Pedicularis semibarbata R. G. Swinney 2008-7-3 9160 Los Angeles San Gabriel Mtns., Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2345 Comment
  SEINET5777398 Image available Pellaea andromedifolia S. M. Tracy 1887-1 339 Los Angeles Los Angeles Comment
  UCR270922  Pellaea andromedifolia R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14348 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
  RSA248848  Pellaea andromedifolia R. F. Thorne 1973-4-11 42867 Los Angeles San Clemente Island: middle portion of Norton Canyon. 274 Comment
  RSA686723  Pellaea andromedifolia M. Bisbee 1917-5-3 s.n. Los Angeles N side Eagle Rock Valley Comment
  POM865  Pellaea andromedifolia var. andromedifolia P. A. Munz 1918-3-28 2015 Los Angeles Claremont. In small canyon west of Palmer's Canyon. Comment
  UC223690  Pellaea mucronata var. mucronata C. F. Millspaugh 1920-2-3 4655 Los Angeles Equestrian Trail above Avalon Canyon; Santa Catalina Isl. Comment
  RSA613027  Pennisetum clandestinum L. C. Wheeler 1974-12-29 s.n. Los Angeles San Gabriel Mountains: Millard Canyon just inside Angeles National Forest Boundary. Comment
  RSA0069842  Pennisetum setaceum R. G. Swinney 2010-5-4 12488 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
  RSA0086832  Penstemon centranthifolius R. G. Swinney 2011-5-3 14555 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  RSA774173  Penstemon centranthifolius R. G. Swinney 2009-7-22 11325 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 Comment
  SEINET13297599 Image available Penstemon centranthifolius R. G. Swinney 2011-1 14555 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center (Mint Canyon 7.5' Q.) 488 Comment
  NY583840  Penstemon centranthifolius G. H. True Jr. 1935-5-10 279 Los Angeles Head of Bouquet Canyon 975.4 Comment
  RSA563498  Penstemon grinnellii subsp. grinnellii Tim S. Ross, W. Appleby 1993-5-13 7111 Los Angeles Western San Gabriel Mts.: May Canyon Saddle at the northwest base of May Peak. 1116 Comment
  RSA586479  Penstemon grinnellii subsp. grinnellii Orlando Mistretta 1995-6-20 1819 Los Angeles Bare Mountain Canyon. 1829 Comment
Read comments
Nov 26 2007
  RSA586975  Penstemon grinnellii subsp. grinnellii Orlando Mistretta 1995-5-23 1722 Los Angeles San Gabriel Mountains: Bare Mountain Canyon. West side tributary drainage NE of Pacifico Mtn. 1616 Comment
  SFV13115  Penstemon grinnellii var. grinnellii W. M. Perry 1980-8-16 105 Los Angeles San Gabriel Mountains Mount Baldy. Comment
  SFV18222  Penstemon grinnellii var. grinnellii M. Danielczyk 2001-5-16 33 Los Angeles San Gabriel Mountains Highway 2, mile marker 43.17. 1450 Comment
  UC55371  Penstemon heterophyllus var. australis J. H. Barber 1898-7-24 Los Angeles Sepulveda Canyon Comment
  RSA407918  Penstemon heterophyllus var. australis N. C. Cooper 4211 Los Angeles Angeles Crest Highway. 1067 Comment
  NY604275  Penstemon labrosus L. Abrams 1901-7-10 1894 Los Angeles Wilson's Peak Comment
  SEINET11173414  Penstemon spectabilis subsp. subviscosus J. Delaini 1974-5-9 174 Los Angeles Lodi Canyon, San Dimas Experimental forest, Angeles National Forest. On W-facing slope of E ridge of canyon 792 Comment
  VVC3121  Pentachaeta lyonii Tim Thomas 1979-5-14 256 Los Angeles Santa Monica Mountains, Stunt Ranch; small mdw 75 m NE from end of paved driveway. 380 Comment
  RSA0070824  Pentagramma triangularis Tim Ross, Steve Boyd 1993-5-23 7236 Los Angeles Lower, easterly ridge of Red Mountain, on northerly slope ca. 380 m SE of the saddle between Ruby and Clearwater Canyons. 963 Comment
  RSA0062911  Pentagramma triangularis Mattie Reed 1892-3-18 s.n. Los Angeles Pomona. Comment
  UCSB30918  Pentagramma triangularis subsp. triangularis Parker, V. 1974-3-27 Los Angeles Fisherman's Cove, Santa Catalina Island 1 Comment
  RSA233255  Perideridia parishii subsp. latifolia R. F. Thorne 1969-7-2 38314 Los Angeles SE of Angeles Crest Hwy. 3.2 miles WSW of Cloudburst summit 1951 Comment
  RSA586640  Perideridia pringlei Orlando Mistretta 1995-6-1 1767 A Los Angeles San Gabriel Mountains. Carr Canyon. 1021 Comment
  CAS-BOT-BC73756  Peritoma arborea var. arborea Le Roy Abrams 1901-4-1 1215 Los Angeles Near Ballona Harbor Comment
  SD72860  Peritoma arborea var. arborea F. R. Fosberg 1930-2-12 S 4208 Los Angeles Mint Canyon, San Gabriel Mountains. Comment
  RSA589315  Perityle emoryi Timothy S. Ross 1995-5-21 8609 Los Angeles San Clemente Island: Terrace near the head of Snail Canyon just on the E side of the snail's raised neck, 1650 ft N of Slope triangulation point (781-ft) and 6250 ft SSE of Rest tri. pt. (1336-ft); 247 Comment
  CATA240  Perityle emoryi Mark L. Hoefs, A. Douglas Propst 1973-5-4 237 Los Angeles Santa Catalina Island: By road above Cottonwood Canyon 60 Comment
  UCD117315  Petalonyx thurberi M. Vincent 1962-10-4 299 Los Angeles Pallett Creek Road, 1 mile S of Valyermo Road. Comment
  RSA426112  Phacelia E. S. Spalding 1924-5-8 s.n. Los Angeles Manhattan Beach. Comment
  UCR222799  Phacelia brachyloba R. G. Swinney 2009-5-9 10709 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
  UCR271679  Phacelia brachyloba R. G. Swinney 2011-5-31 14919 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  UCR272631  Phacelia brachyloba R. G. Swinney 2011-9-22 15668 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), c. 300 meters north of lodge along service rd. 1073 Comment
  LA38554  Phacelia cicutaria var. hispida Carl Epling; L. Ellison 1929-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA762729  Phacelia cicutaria var. hispida R. G. Swinney 2008-12-4 9942 Los Angeles Azusa, mouth of San Gabriel Canyon 1 mi. north of Foothill Blvd. 201 Comment
  UCR199827  Phacelia cicutaria var. hispida Steve Boyd, Amber Maurice 2004-5-18 11327 Los Angeles Transverse Ranges; Liebre Mountains region, Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain 610 Comment
  HSC13741  Phacelia cicutaria var. hubbyi C. E. Fellows 1965-6-27 109 Los Angeles 3/10 mi. S of Dartford St. on Sepulveda Blvd. Comment
  UCR183989  Phacelia ciliata A. C. Sanders 2007-4-19 33424 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  RSA727732  Phacelia cryptantha R. G. Swinney 1998-5-16 6094 Los Angeles San Gabriel Mountains/Mojave Desert: near Pinon Hills, Mescal Highlands, 0.9 mile west of 237th St. East at Panorama Way, 2.3 mi. S of Ft. Tejon Rd. 1402 Comment
  UCR280895  Phacelia cryptantha R. G. Swinney 2014-5-7 16410 Los Angeles San Gabriel Mountains, near town of Ravenna, 0.3 miles east of Stonecross, c. 0.7 miles south of Soledad Cyn. Road, c. 0.5 mile east of Mill Cyn., unnamed N-S oriented cyn. between Bootleggers Cyn. and Mill Cyn. 793 Comment
  JEPS8605  Phacelia davidsonii Rimo Bacigalupi with G. T. Robbins and L. R. Heckard 1953-6-14 4182 Los Angeles junction of road to Horse Flat Public Camp and main (paved) road from Upper Chilao Recreation Area; San Gabriel Mountains, Angeles National Forest 1828 Comment
  UC284677  Phacelia davidsonii I. M. Johnston 1917-6-20 1264 Los Angeles Baldy Lookout of USFS San Antonio Mountains 2133 Comment
  UCR223365  Phacelia davidsonii R. G. Swinney 2009-5-27 10865 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  RSA0085028  Phacelia distans R. G. Swinney 2010-4-30 12448 Los Angeles Near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn. 537 Comment
  RSA786324  Phacelia distans K. Dobry 1991-5-13 530 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  UCR261334  Phacelia distans R. G. Swinney 2010-3-13 11872 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  RSA0055961  Phacelia distans R. F. Thorne, Jim Henrickson 1963-5-5 32311 Los Angeles Cobal Canyon, foothills of the San Gabriel Mountains, ca. 4 miles north of Claremont. 518 Comment
  POM426103  Phacelia douglasii Frances Runyan 1973-4-14 69 Los Angeles On dirt road just out of Gorman. 1067 Comment
  RSA775358  Phacelia fremontii Orlando Mistretta, Christine Mistretta 2010-6-4 5253 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
  UC55296  Phacelia fremontii J. H. Barber 1897-6-28 210 Los Angeles Kentucky Springs Comment
  RSA75532  Phacelia fremontii F. W. Peirson 1928-6-2 7947 Los Angeles Open clearing, south fork of Rock Creek, San Gabriel Range 1463 Comment
  JEPS1986  Phacelia grandiflora F. W. Peirson 1918-6-4 159 Los Angeles foothills e Rubio Canyon; San Gabriel Mountains 609 Comment
  LA200567  Phacelia grandiflora John O'Leary; 1974-4-29 277 Los Angeles Santa Monica Mountains, Stone Canyon, S-facing slope above Stone Canyon Reservoir 274 Comment
  UCR190545  Phacelia grandiflora R. G. Swinney 2000-6-19 7862 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  RSA133780  Phacelia grandiflora H. J. Thompson 1959-5-24 2013 Los Angeles 2.3 miles south of summit and junction with Saddle Peak Road, Tuna Canyon Road. 396 Comment
  UC73683  Phacelia hubbyi Geo. B. Grant May 1902 964 Los Angeles Pasadena Comment
  UCR131371  Phacelia hubbyi Jeremiah George 2001-5-29 010 Los Angeles South Coastal Plains Region, Palos Verdes Peninsula, Rancho Palos Verdes, Ocean Trails development, between Palos Verdes Dr. South and the ocean 3 Comment
  IRVC29656  Phacelia imbricata subsp. imbricata Mark A. Elvin 2003-6-12 2943 Los Angeles Newhall Ranch, S side of Potrero Canyon, S of Potrero Mesa Santa Clarita Valley 335 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
  RSA428002  Phacelia imbricata subsp. imbricata Elbert Benjamine 1929-5-26 193 Los Angeles San Dimas Canyon, San Gabriel Mountains. Comment
  RSA600584  Phacelia imbricata subsp. imbricata Steve Boyd, Lauren Raz 1997-4-30 9597 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine. 866 Comment
  UC1375263  Phacelia imbricata subsp. patula Robert F. Thorne and C. W. Tilforth 1971-6-30 40745 Los Angeles Pacifico Mtn. San Gabriel Mts., Angeles National Forest 1950 Comment
  POM3697  Phacelia minor C. F. Baker 1904-4-15 4105 Los Angeles Claremont. 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
  SFV21028  Phacelia minor L. Gross 2002-2-24 483 Los Angeles Verdugo Mountains Northwest side of mountains. Entered at corners of Ledge Ave. and Tuxford Street off of La Tuna Canyon Road in Sun Valley. West of McDonald Creek. Horse trail climbs in a north direction a ridge to top of crest, then a ridge from top of crest northward down the north side of crest to the community of Shadow Hills, where Sunland Blvd. runs through. 305 Comment
  RSA428063  Phacelia minor Anstruther Davidson 1906-06 s.n. Los Angeles Glendale. Comment
  UCSB5405  Phacelia minor H., J. 1934-5-25 Los Angeles San Dimas Exp. Forest; Sec. 1, T1N, R9W 792 Comment
  UC1174691  Phacelia parryi George Gillett 1954-3-13 371 Los Angeles bank above Hwy 101 2.7 mi s Ventura-Los Angeles County line Comment
  UCR205539  Phacelia ramosissima A. C. Sanders, T. B. Salvato 2009-5-21 36898 Los Angeles San Gabriel Valley, Whittier Narrows near South El Monte, north of San Gabriel River channel and SE of Durfee Ave., west half of Whittier Narrows Nature Center along SCE powerlines 70 Comment
  UCSC003638  Phacelia ramosissima Peter Kamb 1947-6-11 596 Los Angeles Eaton Wash, East of Pasadena. 267 Comment
  CHSC99447  Phacelia ramosissima var. latifolia LeRoy Gross; M. Denslow, B. Hogshead, S. Swartzentruber 2003-6-17 1061 Los Angeles Transverse Ranges: Verdugo Mountains region: South side of mountains; West side of Brand Canyon just a short distance above the cemetery. UTM Zone 11: 3783548N 0382545E. 307 Comment
  HSC12498  Phacelia ramosissima var. latifolia Wendell Wood 1970-6-22 31 Los Angeles Tujunga Canyon Rd., 3 mi. beyond intersection of Mt. Gleason Ave., Tujunga 457 Comment
  RSA582642  Phacelia ramosissima var. latifolia Louis C. Wheeler 1933-7-7 1920 Los Angeles Lexington Wash near El Monte. 73 Comment
  RSA601127  Phacelia ramosissima var. latifolia Louis C. Wheeler 1967-6-26 9895 Los Angeles San Gabriel Mountains : Elsmere Canyon, south central. At the forks of the canyon, just north of the section line. 488 Comment
  RSA647874  Phacelia ramosissima var. latifolia LeRoy Gross, Laura Moore, Debby Zygielbaum, Ron Burchet 2000-6-8 232 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 468 Comment
  RSA726058  Phacelia ramosissima var. subglabra R. G. Swinney 1997-6-25 5634 Los Angeles San Gabriel Mtns.: west of Wrightwood, ca. 0.25 mi. east of Hwy 2, ca. 300 m N of Guffy Rd. (3N06) 2317 Comment
  UCR141024  Phacelia tanacetifolia June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, near the Three Sisters hills, Antelope Valley, NE of Llano 976 Comment
  RSA428213  Phacelia tanacetifolia John S. Garth 1948-4-21 2689 Los Angeles Littlerock 762 Comment
  SFV6215  Phacelia viscida R. M. Muran 1974-3-29 57 Los Angeles Santa Monica Mountains Santa Ynez Canyon, on slope. 427 Comment
  UC494210  Phlox gracilis Geo. B. Grant Jun 1904 784 Los Angeles Pasadena Comment
  RSA653071  Pholistoma auritum Ian Thompson 1997-4-28 69 Los Angeles Cal Poly Pomona Ecological Reserve, north facing west side of rear Culvert Canyon. Comment
  SBBG98614  Pholistoma auritum T. Ross 1991-4-8 4458 Los Angeles Elephant Hill, W Pomona 228 Comment
  SD30970  Pholistoma auritum var. auritum Edith A. Purer 1931-3-12 975 Los Angeles Palos Verde Hills, moist, shady place Comment
  UCR270934  Pholistoma auritum var. auritum R. G. Swinney 2011-4-28 14541 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
  UCR60535  Pholistoma membranaceum R. F. Thorne, W. Wisura, S. Granger, Pamela Burton 1982-4-20 54999 Los Angeles San Gabriel Mountains, grassy slopes above Little Rock Creek, below dams 976 Comment
  SBBG95204  Pholistoma racemosum M. B. Dunkle 1928-3-31 1773 Los Angeles Little Harbor Comment
  SBBG81861  Phoradendron leucarpum subsp. tomentosum R. J. Rodin 1953-5-17 5829 Los Angeles near main hwy 3 mi S of Gorman Comment
  LA200866  Phoradendron macrophyllum Carl Epling; L. Ellison 1929-4-27 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA549502  Phoradendron villosum Tim S. Ross, Steve D. Boyd 1990-6-18 3484 Los Angeles San Gabriel Mountains: Angeles National Forest. Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1877 Comment
  RSA578800  Phoradendron villosum Tim S. Ross, Steve D. Boyd, Steve Burns 1994-7-7 8130 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1677 Comment
  UCR179613  Phoradendron villosum R. G. Swinney 1990-10-10 s.n. Los Angeles San Gabriel Mtns., Glendora, South Hills, c. 700 yds. north of the end of Bonnie Cove Ave. on South Hills Motorway 305 Comment
  CAS-BOT-BC58274  Phyllodoce breweri Geo. B. Grant 1902-8-1 10593 Los Angeles Pasadena. 3048 Comment
  RSA682947  Phyllospadix torreyi E. Yale Dawson 1957-7-29 17346 Los Angeles east of Lechuza Point, Station #26. Comment
  CLARK-A1528-7813  Physalis neomexicana John C. Roos 1942-8-26 1749 Los Angeles San Gabriel Comment
  UC104081  Physalis philadelphica Rev. J. C. Nevin Los Angeles Los Angeles Comment
  POM292908  Physalis philadelphica Lyman D. Benson 1945-10-22 11905 Los Angeles Claremont; Drainage area: Pacific Slope. 335 Comment
  SDSU11212  Physalis philadelphica F. Youngberg Los Angeles Orange orchard near Claremont. Comment
  RSA585779  Pinus coulteri Orlando Mistretta 1995-7-11 1876 Los Angeles San Gabriel Mountains: Santiago Canyon. North slope of Pacifico Mountain, near summit. 2073 Comment
  CAS-BOT-BC78872  Pinus monophylla Geo. B. Grant 1901 to 1905 989 Los Angeles From Mt. Lowe Comment
  UC1134053  Pinus monophylla H. A. Jensen 1933-6-1 321 Los Angeles Rock Creek Angeles National Forest, Rock Creek Quad., Rock Creek 1371 Comment
  SEINET11736590  Pinus monophylla Unknown 1964-1 1984 Los Angeles ca 27 air mi SWW of Victorville on the N side of San Gabriel Mountains, in area of Caldwell Lake 1372 Comment
  CATA3386  Pinus torreyana Peter J. Dixon 2017-2-22 076 Los Angeles Santa Catalina Island: Blackjack Campground, near road to lower camp, at margin of drainage 480 Comment
  SEINET3874886  Pinus torreyana K. Dobry 1976-5-21 44 Los Angeles Santa Monica Mts.; 0 366 Comment
  RSA0085344  Piperia Steven A. Junak 2001-5-4 SCa- 1480 Los Angeles Santa Catalina Island. Coastal slopes overlooking Cherry Cove, on E side of cove, upslope from road, near waterline to Cherry Cove. 64 Comment
  RSA382807  Piperia michaelii George Henry Grinnell 1929-4-15 s.n. Los Angeles Eagle Rock. Comment
  CATA2198  Pittosporum undulatum Sara L. Crockett, Michael Daligdig 1996-10-21 3 Los Angeles Santa Catalina Island: Descanso Beach Club 15 Comment
  SD129307  Pittosporum undulatum A. C. Sanders 1987-12-4 7444 Los Angeles El Segundo Dunes, immediately W of Los Angeles International Airport & Pershing Dr. 29 Comment
  RSA0063028  Plagiobothrys canescens LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 7012 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  UCR127897  Plagiobothrys canescens A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26103 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
  SD90635  Plagiobothrys canescens Robert F. Thorne 1966-4-17 36104 Los Angeles San Clemente Island; just northwest of Thirst. 548 Comment
  SBBG131651  Plagiobothrys canescens var. catalinensis S. A. Junak 1999-5-8 SCa 913 Los Angeles Fern Cyn, Cottonwood Cyn watershed, where fenceline crosses cyn 134 Comment
  CATA1769  Plagiobothrys collinus var. gracilis Denise Kraus 2000-4-18 2 Los Angeles Santa Catalina Island: (Goat Harbor burn area) North-northeast facing slope off of first ridge which trends westward from western fuel break ridge. Approximately 3,700 feet north of Airport Road. At GHB Transect 2 323 Comment
  RSA251447  Plagiobothrys collinus var. gracilis R. F. Thorne 1966-4-17 36103 Los Angeles San Clemente Island: mesa just NW of Thirst. 549 Comment
  RSA661097  Plagiobothrys collinus var. gracilis Orlando Mistretta 1992-4-5 209 Los Angeles Guds, San Clemente Island. Comment
  UC1069085  Plagiobothrys nothofulvus Jerome S. Horton 1939-4-17 530 Los Angeles meadow e San Dimas (on Camp 10 road); Pomona Quad. 518 Comment
  UC166871  Plagiobothrys nothofulvus unknown 1904-5-5 995 /6182 Los Angeles Altadena Comment
  SBBG131670  Plantago coronopus S. A. Junak 1999-5-20 SCa 938 Los Angeles ridge between Cottonwood and Escondido Cyns, S side of Cottonwood-Black Jack Rd, ca. 0.6 mi up from reservooir 256 Comment
  SD69019  Plantago coronopus Robert Thorne, D. Propst 1968-5-28 37654 Los Angeles Santa Catalina Island: moist ground along small stream in central part of Bulrush Canyon; 244 Comment
  RSA177841  Plantago erecta Robert F. Thorne, Percy C. Everett 1965-5-10 34512 Los Angeles near upper end of Gallagher Canyon; Santa Catalina Island 427 Comment
  RSA401977B  Plantago erecta Ora M. Clark 1929-3-29 1818 Los Angeles East Sandberg. Comment
  RSA603896  Plantago erecta Louis C. Wheeler 1975-5-14 s.n. Los Angeles San Gabriel Mountains: Head of East Fork Little Tujunga. Comment
  SD39910  Plantago erecta EA Purer 1931-3-12 1515 Los Angeles Near El Segundo, Grassy flat. Comment
Read comments
Nov 21 2019
  RSA402053  Plantago lanceolata F. R. Fosberg 1930-6-23 S- 2958 Los Angeles Del Rey. 1 Comment
  RSA402054B  Plantago lanceolata Wm. Martin, Robert Gustafson 1971-7-14 s.n. Los Angeles Corner of Jefferson and Rodeo Blvd., Los Angeles. Comment
  RSA187857  Plantago major Robert F. Thorne 1966-6-1 36485 Los Angeles Santa Catalina Island: site of razed St. Catherine's Hotel, N of Avalon. 5 Comment
  IRVC27019  Plantago major Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-13 2994 Los Angeles S side of the Santa Clara River, ca 200 m upstream from the mouth of Potrero Creek Santa Clarita Valley 274 Comment
  RSA330784  Platanthera leucostachys Wayne E. Sawyer 1981-7-10 84 Los Angeles Angeles National Forest: Hwy 2 between Dawson Saddle and junction of Highway 39, 1.6 mile from Dawson Saddle. 2302 Comment
  RSA671269  Platanthera sparsiflora F. R. Fosberg 1931-8-12 S- 5586 Los Angeles San Gabriel Mountains: Little Jimmy Spring, Windy Camp, N. slope Mt. Islip. 2300 Comment
  POM148422  Platystemon californicus C. F. Baker 1904-5-2 7731 Los Angeles Hills near Claremont Comment
  UCD96075  Platystemon californicus R. L. Smith 1948-3-25 s.n. Los Angeles 20 miles west of Lancaster. Comment
  RSA579502  Platystemon californicus var. crinitus Tim S. Ross, S. D. Boyd 1994-6-23 8041 Los Angeles Sawmill Mountain: 5514-ft summit and immediately adjacent slopes. 1665 Comment
  SBBG123196  Plecostachys serpyllifolia R. Riefner 2009-6-9 09 -113 Los Angeles ca. 0.2 mi W of La Piedra State Beach; Malibu 6 Comment
  RSA100277  Plectritis ciliosa subsp. insignis F. W. Peirson 1951-5-13 1204 Los Angeles Arroyo Seco, Pasadena Comment
  CAS-BOT-BC326712  Pleiacanthus spinosus Frank W. Peirson 1923-8-30 4742 Los Angeles North of Big Pines, San Gabriel Mts. 2225 Comment
  RSA0034695  Pluchea sericea F. R. Fosberg 1931-4-3 S 4479 Los Angeles Pebble Beach, Santa Cataline Island. 2 Comment
  RSA590706  Poa pratensis Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-8 2962 Los Angeles Upper Big Tujunga Canyon: margin of Big Tujunga Creek and toes of the slopes immediately west (ca 1.6 air miles ENE of Barely Flats). 1213 Comment
  RSA0088573  Poa secunda R. G. Swinney 2010-5-11 12693 Los Angeles East of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd. 872 Comment
  RSA728291  Poa secunda Gary D. Wallace, B. Gustafson, Dave Minor, M. Wallace, F. Runyon, B. Birdsal 1982-4-26 1961 Los Angeles Fort Tejon Road Comment
  RSA756994  Poa secunda R. G. Swinney 2008-7-3 9146 Los Angeles Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2329 Comment
  UCR190895  Poa secunda R. G. Swinney 1998-7-2 6224 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UC465595  Polycarpon depressum R. L. Pendleton 1909-7-4 1407 Los Angeles bluffs on coast s Avalon; Santa Catalina Island 335 Comment
  RSA135183  Polycarpon depressum Peter H. Raven, Henry J. Thompson 1960-5-16 15380 Los Angeles Santa Monica Mountains. Topanga Canyon, 0.6 miles north of Coast Highway. 122 Comment
  RSA802044  Polycarpon tetraphyllum Orlando Mistretta, Kristie Haydu 2011-7-20 5964 Los Angeles Arroyo Seco Canyon area. Angeles Crest Hwy near junction with Grizzly Flat Road. 902 Comment
  RSA286762  Polycarpon tetraphyllum R. F. Thorne 1974-6-3 44688 Los Angeles Claremont, at 1010 Northwestern Drive 335 Comment
  RSA477720  Polycarpon tetraphyllum Robert Gustafson 1981-4-29 2230 Los Angeles Ballona Wetlands, Area 2 In disturbed plaes; found along the gas Co. road. Comment
  CAS-BOT-BC167817  Polygala cornuta var. fishiae Peter H. Raven 1960-5-21 15403 Los Angeles Triunfo Canyon 259 Comment
  SBBG17791  Polygonum arenastrum P. H. Raven 1962-7-11 18016 Los Angeles docks area, Wilson Cove 9 Comment
  CAS-BOT-BC71886  Polypodium californicum Marcus E. Jones 1926-3-16 s.n. Los Angeles West of Pomona Comment
  CDA969  Polypodium californicum D. G. Kelch 1991-3-23 1312 Los Angeles Catalina Island. East of Avalon. Comment
  LA94050  Polypodium californicum Lawrence L. Kiefer; 1966-3-12 1707 Los Angeles SANTA MONICA MOUNTAINS, S of Monte Nido on Piuma Rd at 2nd[?] switchback. 290 Comment
  LA94054  Polypodium californicum Lawrence L. Kiefer; 1966-3-6 1657 Los Angeles SANTA MONICA MOUNTAINS, Corral Canyon, ca 3 mi up Corral Canyon Rd, near the road, W side. 518 Comment
  SD49391  Polypodium californicum Reid Moran 1959-3-9 7159 Los Angeles Eel Point, San Clemente Island 20 Comment
  UCSB62315  Polypodium californicum Kiefer, Lawrence 1967-3-18 Los Angeles San Gabriel Mtns., N of La Canada, Clear Creek, tributary of Big Tujunga Canyon, ca. 3/4mi from confluence 731 Comment
  CAS-BOT-BC71879  Polypodium californicum Mrs. Huischamp 1898-6-1 s.n. Los Angeles Santa Catalina Island Comment
  POM9728  Polypodium californicum P. A. Munz 1921-4-1 4416 Los Angeles San Dimas Canyon 549 Comment
  UCSB62413  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canon, San Dimas Comment
  UCSB62420  Polypodium californicum Kendall, M. 1921-2-13 Los Angeles Palmer's Canon, San Gabriel Mtns. Comment
  UCD51651  Polypogon interruptus Katharine Brandegee Date Unknown s.n. Los Angeles Catalina Island. Comment
  CHSC92948  Polypogon monspeliensis John Dittes 2006-1-2 1310 Los Angeles Transverse Ranges; San Gabriel Mtns.; Big Tujunga Cyn; ca. 3.2 air-miles SW of Gold Cyn Saddle, 1.3 airmiles NE of intersection of Sunland blvd and 210 Fwy, 1.1 air-mile NW of Verdugo Hills Highschool; near Oro Vista Ave where it crosses Big Tujunga Creek; at edge of Big Tujunga Creek. 393 Comment
  UCD91392  Polypogon monspeliensis Ernest C. Twisselmann 1964-5-7 9393 Los Angeles Avenue E, 0.5 mile east of Highway U.S. 6, Rosamond region. 617 Comment
  UCR259236  Polypogon semiverticillatus R. G. Swinney 2010-6-4 13004 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
  UCR169084  Polypogon viridis A. C. Sanders, Mark Elvin 2002-6-20 25224 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  RSA802444  Polystichum scopulinum Orlando Mistretta, Cher Batchelor 2011-7-27 6000 Los Angeles Along Rincon Red Box Road (Forest Road 2N24) 1.2 air miles W of Monrovia Peak. 1366 Comment
  CAS-BOT-BC72487  Polystichum scopulinum Larry Kiefer 1963-1-1 358 Los Angeles c. 8 miles W. [jnctn] junction [hgwy] highway 39, Angeles Crest [Hgwy] Highway (2) 2286 Comment
  RSA591904  Populus fremontii subsp. fremontii Louis C. Wheeler 1967-5-8 9312 Los Angeles Liebre Mountains. Foothills northeast of Saugus. 381 Comment
  RSA622833  Populus fremontii subsp. fremontii Cary Otis 1927-1 s.n. Los Angeles San Gabriel Mountains: Gold Bar Mill Site. Comment
  UC147931  Populus fremontii subsp. fremontii C. F. Baker 1909-5-15 5347 Los Angeles San Antonio Canyon Claremont (Claremont); , San Antonio Canyon Comment
  UC729591  Populus trichocarpa Carl B. Wolf 1932-5-9 3476 Los Angeles left (e) fork Pebbly Beach Canyon (0.33 mi above Mexican Houses); Santa Catalina Island 152 Comment
  CDA789  Potamogeton crispus Forest Service Personnel 1958-6-26 s.n. Los Angeles Jackson Lake. 0 Comment
  SD69566  Potamogeton crispus Robert F. Thorne 1966-6-1 36493 Los Angeles Santa Catalina Island: near earth dam at reservoir upper end of Cape Canyon 334 Comment
  CAS-BOT-BC267151  Potamogeton foliosus A. D. E. Elmer 1902-6-1 3503 Los Angeles Lancaster Comment
  UCR194175  Potentilla glandulosa R. G. Swinney 1998-7-29 6539 Los Angeles San Gabriel Mtns., c. 100 m downstream from Upper Fish Fork Campground 1817 Comment
  CHSC83975  Potentilla glandulosa subsp. glandulosa John Dittes 1990-6-20 119 Los Angeles Transverse Range; San Gabriel Mountains; approximately 16.7 air-miles north of Monrovia, approximately 1.3 air-mile northeast of Vetter Mountain and 0.75 air-mile southwest of Chilao Station, in canyon of East Fork Alder Creek. 1493 Comment
  CAS-BOT-BC206973  Prosopis glandulosa var. torreyana A. D. E. Elmer 1902-6-1 3726 Los Angeles Lancaster, 15 miles east Comment
  UCR99508  Prunus dulcis Steve Boyd, Lauren Raz 1997-3-26 9375 Los Angeles Liebre Mtns., Sierra Pelona Ridge, upper end of Bouquet Canyon, south of Licon Crest near end of off-highway vehicle trail which begins at Bouquet Canyon Road 1311 Comment
  SD42009  Prunus fasciculata Darley F. Howe 1947-5-6 Los Angeles North face of San Gabriel Mountains. Comment
  CAS-BOT-BC154929  Prunus ilicifolia John Thomas Howell 1928-3-2 3365 Los Angeles Vermont [Canon] Canyon, Griffith Park Comment
  LA105366  Prunus ilicifolia Barry A. Prigge; 1989-4-23 8465 Los Angeles Santa Susana Mountains, Devil Canyon: 1.4 air mi. NW of junction of Simi Valley Frwy and Topanga Canyon Blvd 518 Comment
  RSA454131  Prunus ilicifolia Kenneth A. Wilson 1962-5-26 s.n. Los Angeles Soledad Canyon Road, about 3 miles east of Agua Dulce Canyon. Comment
  UC592823  Prunus ilicifolia C. B. Wolf 1937-10-19 9376 Los Angeles 1 mi e of Newhall (Placerita Canyon, along Placerita Cree); Placerita Canyon, Placerita Creek 396 Comment
  UCD113466  Prunus ilicifolia Elise Jackson 1993-5-2 31 Los Angeles Newhall, Placerita Canyon Nature Center, approx. 50 feet from beginning of Ecology Trail. 487 Comment
  RSA635039  Prunus ilicifolia subsp. ilicifolia Valerie L. Soza, Kent Hughes 1999-6-17 563 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail, above San Olene Canyon. 747 Comment
  RSA653895  Prunus ilicifolia subsp. ilicifolia Valerie L. Soza, Shalini Deo, Stephen Dreher 2000-4-27 823 Los Angeles Verdugo Mountains, south side: Stough Canyon, Stough Park, above parking lot SW of intersection of Walnut Avenue and Lockheed View Drive, W of De Bell Municipal Golf Course, SE of Starlight Theater. 366 Comment
  UCSB2895  Prunus ilicifolia subsp. ilicifolia Ballard 1954-4-29 Los Angeles Pomona College Campus, Claremont 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
  RSA151291  Prunus lyonii Peter H. Raven 1962-5-9 17703 Los Angeles Canyon north of Gray, San Clemente Island. 305 Comment
  CAS-BOT-BC356716  Pseudognaphalium californicum Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-7 4265 A Los Angeles San Clemente Island. Lower half of China Cyn, S end of island, W. side Comment
  CATA1255  Pseudognaphalium californicum Mark L. Hoefs, Douglas R. Hoefs 1995-6-29 2339 Los Angeles Santa Catalina Island: By Empire Landing Road near quarry 124 Comment
  UCR258778  Pseudognaphalium canescens R. G. Swinney 2010-2-27 11772 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
  SBBG95399  Pseudognaphalium stramineum M. B. Dunkle 1928-5-12 1930 Los Angeles Empire Landing Comment
  RSA709533  Pseudotsuga macrocarpa June Latting 1973-6-24 s.n. Los Angeles San Gabriel Mountains: Big Rock Creek site, Fenner Canyon, north side of mountains 1585 Comment
  UC484177  Pseudotsuga macrocarpa C. B. Wolf 1930-9-30 1676 Los Angeles 0.5 mi w of summit of grade (on new road from San Fernando to Saugus) 609 Comment
  NY63566  Pseudotsuga macrocarpa V. Duran 1933-7-27 3537 Los Angeles This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  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
  SBBG106224  Psilocarphus tenellus S. A. Junak 1985-5-16 SCl 110 Los Angeles near Eagle Cyn in artificial vernal pool on E side of main rd, ca. 0.75 mi S of SHOBA gate 481 Comment
  LA97679  Psilocarphus tenellus var. tenellus David S. Verity; 1977-5-14 sn Los Angeles 304 Comment
  CAS-BOT-BC72575  Pteridium aquilinum Grant 1903-2-27 1714 Los Angeles Pasadena Comment
  RSA584390  Pteridium aquilinum var. pubescens T. S. Ross, Orlando Mistretta, Carolyn Neal 1994-7-1 8079 Los Angeles San Gabriel Mountains: Sheep Camp Spring, 334 deg. and 520 meters NNW of Pacifico Mountain summit, at the headwaters of Santiago Canyon. 1921 Comment
  RSA775349  Pterostegia drymarioides Orlando Mistretta, Christine Mistretta 2010-6-4 5264 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
  UCR193151  Pterostegia drymarioides Dan S. Cooper 2008-3-7 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Boy Scout Camp Canyon, Griffith Park, Los Angeles 240 Comment
  CAS-BOT-BC421194  Pterostegia drymarioides H. E. Hasse 1901-7-1 s.n. Los Angeles Below head west fork San Gabriel Canon [Canyon] Comment
  RSA533922  Pterostegia drymarioides Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5239 Los Angeles San Clemente Island, westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft N of Rest [1336'] marker; 1800 ft SE of Malo Knoll [1396']) Upper portion of drainage. 274 Comment
  UC1922336  Pyrus communis Gary Kovnat with LeRoy Gross 2004-4-25 51 Los Angeles Transverse Ranges; San Gabriel Mountains region: Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow. Comment
  UCSB27889  Quercus X alvordiana Lloyd, Robert 1959-3-24 Los Angeles At Oak Flats Fire Station, 10 mi. north of Castaic, on U.S. Hwy. 99, Tehachapi Mts. 822 Comment
  LA81887  Quercus X macdonaldii Robert F. Thorne; P. C. Everett 1964-2-6 33430 Los Angeles Santa Catalina Island, N central part of Santa Catalina Island, perhaps 1 mi SW of Empire Landing 243 Comment
  CAS-BOT-BC105254  Quercus X morehus Steve Boyd 1997-9-10 10029 Los Angeles Liebre Mountains. SW flank of Liebre Mountain, below W summit 1524 Comment
  PASA61  Quercus agrifolia Ruth M. Evans 1931-3-15 Los Angeles Lone Hill, Glendora Comment
  LA200040  Quercus berberidifolia Norman A. Cole; 1972-3-30 406 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, at junction of Cornell Rd and Lake Vista Rd 213 Comment
  RSA0025272  Quercus berberidifolia Justin M. Wood 2012-3-20 4643 Los Angeles San Dimas. San Jose Hills: Walnut Creek Canyon, +/- 0.5 mi NW of Puddingstone Reservoir, +/- 0.25 mi E of SR-57, just north of San Dimas Ave. and just S. of Cliffside Dr. 229 Comment
  UCR150667  Quercus berberidifolia James Henrickson 2000-4-15 20706 6 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
  UCSB34815  Quercus berberidifolia Lloyd, Robert 1959-3-3 Los Angeles Ganesha Hills near comer of Hillcrest and North Hill north of Pomona 274 Comment
  CAS-BOT-BC62566  Quercus chrysolepis Timothy S. Ross; Steve Boyd 1994-9-21 8299 Los Angeles Liebre Mountain: vicinity of West Summit. Liebre Mountain. 7.5' USGS Quadrangle 1690 Comment
  RSA476891  Quercus chrysolepis L. E. Hoffman 1934-7-24 s.n. Los Angeles Holcomb Creek, Angeles National Forest, San Gabriel Mts. Comment
  RSA738066  Quercus chrysolepis J Toney 1967-5-17 s.n. Los Angeles Tujunga Wash. 305 Comment
  SD1102  Quercus chrysolepis Mabel Eamond Jul 1928 Los Angeles Camp Baldy Comment
  SFV882  Quercus chrysolepis P. G. Kilburn 1957-12-1 560 Los Angeles San Gabriel Mountains Just north of Mount Wilson Park. 1829 Comment
  UCR209917  Quercus chrysolepis R. G. Swinney 2008-7-25 9300 Los Angeles San Gabriel Mtns., Twin Peaks, East Peak 2366 Comment
  UCSB19404  Quercus chrysolepis Haller, John Los Angeles Crystal Lake Campground, San Gabriel Mountains 1767 Comment
  UC1135457  Quercus douglasii R. St. John 1930-2-19 101 Los Angeles Liebre Gulch Tejon Quad. 1295 Comment
  CAS-BOT-BC86222  Quercus dumosa Geo. B. Grant 1902-6-1 1088 Los Angeles Mt. Lowe 1524 Comment
  UC337433  Quercus dumosa unknown 1891-7-18 Los Angeles near Pomona; San Antonio Canyon Comment
  UC520299  Quercus durata Joseph Andorfer Ewan 1933-7-4 7852 Los Angeles Sturdevant Trail San Gabriel Mountains, Santa Anita Canyon 1066 Comment
  RSA476605  Quercus durata var. gabrielensis H. de Forest 1932-8-15 s.n. Los Angeles Verdugo Valley Comment
  RSA655357  Quercus durata var. gabrielensis LeRoy Gross 2000-11-4 321 Los Angeles Verdugo Mountains: Trail at end of Morning Glow, past Sunglow Way,east off La Tuna Canyon Road, Sun Valley. 396 Comment
  RSA703268  Quercus durata var. gabrielensis D. E. Bramlet 2003-10-1 3529 Los Angeles San Rafael Hills: Chamberlin Debris Basin. Northwest of the Rose Bowl.Near Comment
  RSA733302  Quercus durata var. gabrielensis Susan Grose, Lauren Breccio, LeRoy Gross 2007-11-11 192 Los Angeles Pasadena, Oak Grove Park. 299 Comment
  UC1951229  Quercus durata var. gabrielensis Scott D. White, Justin Wood 2009-5-6 12683 Los Angeles SAN GABRIEL MOUNTAINS: San Gabriel River - West Fork, large fill slope on the S side of Cogswell Reservoir. Azusa 7.5' Quad. Comment
  UCR158766  Quercus engelmannii Lyman Benson 1960-7-20 16074 Los Angeles San Gabriel Valley, Arcadia, Santa Anita Oaks 183 Comment
  UCR249899  Quercus lobata R. E. Riefner Jr. 2012-12-11 12- 595 Los Angeles Sun Valley, La Tuna Canyon, La tuna Canyon Road at Wildwood Ave. 281 Comment
  JEPS40262  Quercus pacifica Mrs. Blanche Trask 1834-4-23 Los Angeles Bell Mt. Spring Catalina Island Comment
  CAS-BOT-BC104428  Quercus tomentella Peter H. Raven 1962-5-21 17808 Los Angeles Santa Catalina Island, lower end of Pebble Beach Canyon 91 Comment
  CAS-BOT-BC248270  Quercus tomentella P. S. Manos; T. Martin 1987-10-8 251 Los Angeles Santa Catalina Island, Gallagher's Canyon 300 Comment
  RSA381392  Quercus tomentella Robert F. Thorne, Propst 1970-11-12 41566 Los Angeles Santa Catalina Island, Mount Orizaba along n-facing slopes of ridge from S end of mountain; S side S fork of Fern Canyon. 488 Comment
  SEINET7143820  Quercus wislizeni var. wislizeni Timothy S. Ross, Steve Boyd 1994-5-10 7750 Los Angeles Lower Deer Canyon: inside the rather broad mouth of the canyon, ca 220-380 m NNW of its confluence with Elizabeth Lake Canyon. Lake Hughes 7.5' USGS Quadrangle.; 0 873 Comment
  UCR190449  Rafinesquia californica R. G. Swinney 2000-6-19 7865 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  RSA248860  Rafinesquia californica R. F. Thorne 1973-4-11 42852 Los Angeles San Clemente Island: middle portion of Norton Canyon. 274 Comment
  POM347142  Ranunculus californicus Unspecified 1948-4-25 12863 Los Angeles First summit southwest of Pomona Brea Canyon Road. Mt Range, San Jose Hills. 305 Comment
  RSA604695  Ranunculus hebecarpus Louis C. Wheeler 1965-5-16 8703 Los Angeles Liebre Mountain: Ravine S of Two Shay Ranch, Bouquet Canyon.. . Comment
  PASA423  Rhamnus californica Annetta Carter 1929-1-9 Los Angeles Base of Mts., Sierra Madre Comment
  UC410549  Rhamnus californica subsp. californica Alice Eastwood 1928-6-15 15402 Los Angeles Claremont Comment
  UC1018421  Rhamnus crocea Paul Gripp May 1954 Los Angeles Mt. Gleason Road Comment
  JEPS41982  Rhamnus ilicifolia Frank W. Peirson 1918-6-1 109 Los Angeles Eaton Canyon San Gabriel Mts. 609 Comment
  LA32115  Rhamnus ilicifolia Peter H. Raven; 1959-5-3 14064 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Drive near Beverly Glen Blvd. 380 Comment
  RSA580741  Rhamnus ilicifolia Tim S. Ross, S. D. Boyd 1994-5-25 7934 Los Angeles Necktie Basin: hanging basin ca 470-830 meters W of Warm Springs Mountain summit. These collections from ca. 600-800 meters WSW of summit. 1061 Comment
  UC1871268  Rhamnus ilicifolia T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3856 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon; Elevation 4390-5150 feet. T8N R17W SE 1/4 SW 1/4 sect 35; and T7N R17W NE 1/4 NW 1/4 sect 2. Comment
  CAS-BOT-BC59792  Rhamnus pirifolia Geo. B. Grant 190 Los Angeles Santa Catalina Island. Comment
  UC303597  Rhamnus pirifolia G. B. Grant 1900-1 Los Angeles Santa Catalina Island Comment
  UCR3526  Rhamnus pirifolia 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
  RSA121798  Rhus integrifolia G. T. Nordstrom 1935-1-22 323 Los Angeles 3 mi. N. of Mouth of Beartrap Canyon. Comment
  SBBG128119  Rhus integrifolia M. L. Hoefs, R. Given 1992-5-16 1792 Los Angeles Wild Boar Gully 152 Comment
  UC1130487  Rhus integrifolia P. L. Johannsen 1933-12-19 206 Los Angeles 1/2 mi e of mouth of Topanga Canyon 60 Comment
  UC17927  Rhus integrifolia J. Burtt Davy October, 1896 2769 Los Angeles Santa Monica Comment
  LA94286  Rhus ovata Carl Epling; Lincoln Ellison 1929-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  JEPS66276  Rhus trilobata Frank W. Peirson 1919-3 342 Los Angeles Monrovia Canyon, Arroyo Seco Monrovia Canyon; San Gabriel Mountains 426 Comment
  RSA18526  Rhus trilobata var. pilosissima C. B. Wolf 1927-7-24 672 Los Angeles 1/2 mile east of Montrose Comment
  UC79610  Ribes amarum C. F. Baker 1904-2-17 4064 Los Angeles San Antonio Canyon Claremont Comment
  POM305814  Ribes aureum var. gracillimum Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1045 Los Angeles Monrovia Comment
  RSA602965  Ribes californicum var. hesperium Louis C. Wheeler 1972-12-24 12795 Los Angeles San Gabriel Mountains: near center of Las Flores Canyon. 762 Comment
  UC2062992  Ribes cereum Mark Elvin with Michael Wall 1997-3-5 363 Los Angeles San Gabriel Mountains, off Mount Baldy Road 0.3 miles S from intersection with [Padua Avenue], 50 m off road. Comment
  SEINET13942450 Image available Ribes divaricatum Louis C. Wheeler 1934-1 2452 Los Angeles San Gabriel River at 240 ft altitude 73 Comment
  CAS-BOT-BC173105  Ribes indecorum L. R. Abrams 1916-1-3 5572 Los Angeles Between Duarte and Azusa Comment
  LA35957  Ribes malvaceum Peter H. Raven; Henry J. Thompson 1960-5-29 15452 Los Angeles 822 Comment
  SBBG11012  Ribes malvaceum var. clementinum D. Wilken with E. Painter 1997-12-2 15396 Los Angeles Tota Cyn 0.2 km WSW of mouth 100 Comment
  UCSB2635  Ribes malvaceum var. malvaceum Wedberg, H. 1957-2-17 Los Angeles West of Saddle Peak; Santa Monica Mtns Comment
  RSA485420  Ribes malvaceum var. viridifolium Steve Boyd, T. S. Elias 1987-4-14 2045 Los Angeles Rincon - Red Box Rd. S. of Rincon Forest Station, N. of Glendora Comment
  UC69258  Ribes malvaceum var. viridifolium Ernest Braunton 1903-1-10 774 Los Angeles Arroyo Seco Comment
  UCR202693  Ribes nevadense R. G. Swinney 2001-8-11 8043 Los Angeles San Gabriel Mtns., Lamel Springs on north slope of Mt. Baden-Powell, 1.5 miles south of Vincent Gap 2375 Comment
  RSA0056533  Ribes nevadense Orlando Mistretta 1992-5-16 15 Los Angeles Vicinity of Big Pines; head of Swarthout Valley; Mountain High Ski area, San Gabriel Mountains. Comment
  LA205542  Ribes quercetorum Harvey Anderson; 1932-3-14 sn Los Angeles Tejon Ranch Comment
  UC566231  Ribes quercetorum A. D. Gifford 1935-4-10 558 Los Angeles West end of Liebre Mountain 1463 Comment
  UCR272852  Ribes roezlii R. G. Swinney 2011-7-29 15562 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  RSA476287  Ribes speciosum E. A. McGregor 1964-3-31 s.n. Los Angeles Ravine, east of Whittier College, Whittier. Comment
  RSA652875  Ribes speciosum Ron Martinolich 1991-4-7 5 Los Angeles Los Angeles, Griffith Park, off of Griffith Park Drive, 0.3 miles west of Zoo Drive at dirt parkig area. South-east on fire road about 0.25 miles, on north side, 10 feet off road. In old slump above fire road. Comment
  UC1595386  Ribes speciosum Tim Ross 1991-3-10 4214 Los Angeles e side RSA (near w edge of field station grounds); Claremont, Bernard Field Station 391 Comment
  UCD102507  Ribes speciosum Christian Goerrissen 1993-2-21 s.n. Los Angeles Santa Monica Mountains, Santa Ynez Canyon, Pacific Palisades Highlands. 1/2 mile from trail head on trail to waterfall. Comment
  CAS-BOT-BC173931  Ribes viburnifolium P. C. Everett 1939-9-19 9538 Los Angeles Santa Catalina Island, 3 1/2 mi. from Avalon on road to Isthmus 457 Comment
  NY201877  Ribes viburnifolium J. B. Walker 1995-12-3 1810 Los Angeles Santa Catalina Island, on Airport Rd, just N of Black Jack Cutoff 120 Comment
  RSA536065  Ricinus communis T. S. Ross 1991-5-22 5433 Los Angeles San Clemente Island: Lower Wilson Cove Canyon, just west of the dock activities. 12 Comment
  UCR186918  Rigiopappus leptocladus A. C. Sanders 2006-4-25 32173 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  CAS-BOT-BC92176  Romneya coulteri var. coulteri June Giddings s.n. Los Angeles Altadena. Comment
  RSA0057899  Rorippa curvipes var. truncata Richard G. Swinney 2010-9-7 13703 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  SBBG120051  Rorippa curvisiliqua A. C. Sanders 2003-5-26 25860 Los Angeles long abandoned gravel pit on boundary between Irwindale and Azusa, E of Irwindale Ave, S of Foothill Blvd, N edge of 210 Freeway, E of San Gabriel River channel 159 Comment
  RSA0049506  Rosa californica Orlando Mistretta, Oscar Dorado 1989-5-10 s.n. Los Angeles Liebre Mountains region: Boquet Canyon. Comment
  RSA720396  Rosa woodsii subsp. gratissima R. G. Swinney 1997-7-22 5714 Los Angeles Government Canyon, W of Wrightwood, 0.75 mi W of San Bernardino Co. line at Hwy. 2, Blue Ridge Mountain area. 2073 Comment
  RSA506209  Rubus discolor Louis C. Wheeler 1967-7-18 10110 Los Angeles San Gabriel Mountains, Angeles National Forest: Gold Creek off Little Tujunga Canyon. 549 Comment
  UCSB2943  Rubus ursinus Ballard 1954-4-20 Los Angeles Little Dalton Canyon near Glendora 350 Comment
  PASA1198  Rubus vitifolius M. Stason 1931-4-18 Los Angeles San Gabriel Canyon Comment
  SD239869  Rumex A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36912 Los Angeles Asan Gabriel Valley; south El Monte, north side of San Gabriel River between Peck Road and Hwy 60, adjacent to storage facility under SCE power lines (El Monte 7.5'Q) 73 Comment
  RSA700317  Rumex conglomeratus A. C. Sanders, Mark A. Elvin 2002-6-25 25266 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction. 305 Comment
  UCR158863  Rumex conglomeratus Scott D. White 1994-7-14 2243 Los Angeles Transverse Ranges; San Gabriel Mountains, San Dimas Canyon; along San Dimas Canyon Road 396 Comment
  RSA0115838  Rumex conglomeratus Steven A. Junak 1999-7-15 SCa- 1029 Los Angeles Santa Catalina Island. Bulrush Canyon. 237 Comment
  RSA658413  Rumex crispus Erinn Wilson 1996-5-18 31 Los Angeles found off j lot [Cal Poly Pomona, parking] Comment
  RSA660896  Rumex crispus Darron David 1992-5-8 15 Los Angeles Hacienda Heights, 3.0 miles south of the intersection of Colima Rd. and Haliburton Rd., respectively Comment
  CAS-BOT-BC433486  Rumex fueginus E. Bethel 1916-8-1 s.n. Los Angeles Long Beach Comment
  CAS-BOT-BC433576  Rumex hymenosepalus Robert F. Thorne; G. Wallace 1973-4-24 43408 Los Angeles San Gabriel Mts., Mojave Desert slope: junction of Pallett Creek & Longview Roads, c. 4 mi S of Pearblossom 1173 Comment
  RSA589202  Rumex hymenosepalus Tim S. Ross 1991-4-27 4687 Los Angeles Mojave Desert: Black Butte Basin Road at intersection with Avenue 'U', NW corner; 0.85 mile and ca 152 deg. SW of Three Sisters (buttes). 959 Comment
  CAS-BOT-BC433929  Rumex salicifolius Carl B. Wolf 1932-5-12 3600 Los Angeles Santa Catalina Island. Between Little Harbor & Cottonwood Creek. 45 Comment
  RSA0104976  Rumex salicifolius Steven A. Junak 1999-7-16 SCa- 1050 Los Angeles Santa Catalina Island. Lower part of Cottonwood Canyon, just upstream from road to Ben Weston Beach. 31 Comment
  UCR116280  Salazaria mexicana B. G. Pitzer 1998-5-23 3723 Los Angeles Western Mojave Desert, c. 18 mi. NW of Adelanto, 240th Street East, 12.8 mi. west of San Bernardino Co. line. 2.8 mi. by road north of El Mirage Road (= Avenue 'P'), and 3.7 mi. south of Avenue 'J' (= N5) 866 Comment
  UCR273379  Salix R. G. Swinney 2011-10-18 15808 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
  CAS-BOT-BC108065  Salix exigua Louis C. Wheeler 1967-5-23 9665 Los Angeles 1 1/4 mile east southeast Honby 457 Comment
  POM362577  Salix exigua Geo. L. Moxley 1916-06 479 Los Angeles Wash end of Van Nuys. Comment
  RSA305925  Salix exigua Fay A. MacFadden 1933-04 s.n. Los Angeles Tujunga Wash, Stonehurst; Verdugo Mts. Comment
  SBBG127475  Salix exigua M. L. Hoefs, S. A. Junak, K. Kirkland 1999-5-6 3019 Los Angeles Parson's Landing 4 Comment
  UC506476  Salix exigua var. hindsiana Carl Hedin and Joseph Ewan 1932-4-22 7636 Los Angeles 4 hectometers e of Radford Dr. Los Angeles R.; San Fernando Valley Comment
  RSA229193  Salix laevigata Robert F. Thorne, C. W. Tilforth 1971-6-29 40724 Los Angeles Lucas Canyon 915 Comment
  UCR187120  Salix laevigata A. C. Sanders 2006-4-10 31984 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
  UC506429  Salix laevigata Carl Hedin and Joseph Ewan 1933-3-25 7655 Los Angeles Comment
  LA208841  Salix lasiandra Carl Hedin; Joseph Ewan 1933-3-25 7675 Los Angeles area 6 Comment
  RSA507005  Salix lasiolepis Robert F. Thorne, M. Z. Thorne 1969-7-10 38361 Los Angeles San Gabriel Mts; Angeles National Forest; ca. 1 mile W of Wrightwood along Wrightwood-Big Pines Hwy. 1951 Comment
  RSA669636  Salix lasiolepis LeRoy Gross 2002-3-7 490 Los Angeles North side; Off La Tuna Canyon Road, Santa Monica Mountains Conservancy Land. South of 210 Freeway. 579 Comment
  SBBG118698  Salix lasiolepis R. F. Thorne 1967-10-21 37402 Los Angeles near San Antonio Falls 1950 Comment
  SBBG44668  Salix lasiolepis W. A. Wright 1931-2-19 Los Angeles Bannings Cyn, 0.66 mi from sea Comment
  UC1375420  Salix lasiolepis Robert F. Thorne, C. W. Tilforth, and John Dourley 1969-7-29 38902 Los Angeles canyon above Angeles Crest Hwy ca. 1 mi w Vincent Gap (at one of headwaters of e fork Big Rock Creek, n face of mt.); San Gabriel Mts., Angeles National Forest, Mt. Baden-Powell 2331 Comment
  UC492357  Salix lasiolepis F. R. Fosberg 1931-1-26 7172 Los Angeles at top of grade between Calabasas and Agoura 285 Comment
  UC846647  Salix lasiolepis F. R. Fosberg 1931-3-23 S 4327 Los Angeles near Avalon; Santa Catalina Isl., Hamilton Canyon 50 Comment
  UCR212829  Salix lasiolepis Ellen Mackey, Blake Whittington 2006-10-26 NFWF- 1846 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River near Rincon Ranger Station [off Hwy 39] 451 Comment
  LA208801  Salix lasiolepis Carl Hedin; Joseph Ewan 1933-3-15 7641 Los Angeles Area 1 Comment
  RSA0034686  Salix lasiolepis Carl W. Sharsmith 1932-2-14 10 Los Angeles Lower San Gabriel Canyon, about 9.5 km. above Azusa. 300 Comment
  RSA92640B  Salix lasiolepis F. W. Peirson 1919-3-30 720 Los Angeles Tujunga Canyon, west end of San Gabriel Mountains. 457 Comment
  CAS-BOT-BC403753  Salpichroa origanifolia Robert F. Thorne 1969-9-10 39311 Los Angeles Rancho Santa Ana Botanic Garden 365 Comment
  CDA20798  Salsola australis B. Villegas 2002-8-21 B 247 -2 Los Angeles Los Angeles Basin; Calabasas, near Ventura Co. line. 0 Comment
  UCR218017  Salsola australis A. C. Sanders, Dan S. Cooper 2010-8-5 38572 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  RSA660884  Salsola tragus Orlando Mistretta 1992-4-5 147 Los Angeles Guds, San Clemente Island. Comment
  RSA0110206  Saltugilia splendens subsp. grantii Richard G. Swinney 2011-5-16 14734 Los Angeles San Gabriel Mountains: Camp Colby (C. Ranch), upper Coldwater Cyn., 150 m south of lodge in center of camp, 1.18 miles at 73 degrees SSE of jct. of Colby Ranch Rd. and FS Rd 3N19 in Big Tujunga Cyn. 1122 Comment
  RSA469661  Saltugilia splendens subsp. grantii Thekla Mohr s.n. Los Angeles Sister Elsie trail to sister Elsie Peak, SW San Gabriel Mtns. Comment
  RSA17991  Salvia apiana P. A. Munz 1923-5-27 6881 Los Angeles Big Rock Creek; San Gabriel Mts 1296 Comment
  RSA215131  Salvia apiana Louis C. Wheeler 1932-5-21 731 Los Angeles Garapito Creek, Santa Monica Mountains. 305 Comment
  RSA424329  Salvia apiana William Emboden 1970-6-12 9 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  RSA647933  Salvia apiana Michelle Manolovitz, Brian Willie 1992-4-27 1 Los Angeles Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 300 feet northwest of park office. Comment
  UC144536  Salvia apiana C. F. Baker 1903-4-1 4155 Los Angeles Claremont Comment
  RSA442819  Salvia apiana William Emboden 1969-5-28 2 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA623956  Salvia apiana Arthur R. Kruckeberg 1939-6-9 s.n. Los Angeles Back of nursery on hill [Occidental College Campus Survey] Comment
  POM4138  Salvia carduacea Marjorie Shaw, Edna Spaulding, C. L. Walton 1917-4-6 s.n. Los Angeles Antelope Valley. Comment
  UCD38457  Salvia carduacea Beecher Crampton 1955-4-28 2723 Los Angeles State Hwy. 138, 5 miles east of Llano. Sandy alluvial slopes in Joshua Tree woodland assoc. Flowers lavender; decomposed granite. Comment
  RSA620658  Salvia columbariae B. Pitzer 1998-5-23 3757 Los Angeles Soledad Canyon: vicinity of Soledad Pass, Soledad Canyon Rd ca 1/2 mi. S of Sierra Hwy., [UTM 10km cell: 11SLJ-9E, 1N. Soledad Canyon] 945 Comment
  UCR192575  Salvia columbariae A. C. Sanders 2008-4-10 34825 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM 'Pine 1006 Comment
  UCR270522  Salvia columbariae R. G. Swinney 2010-4-13 12182 Los Angeles San Gabriel Mountains, 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom 610 Comment
  RSA0056295  Salvia columbariae Geo. E. Julian 1963-4-20 s.n. Los Angeles Cal Poly, Kellogg Campus, Pomona. Comment
  UCD125721  Salvia columbariae Steven Mason; Helen M. Mason 1993-5-9 40 Los Angeles Mt. Pinos area, on Lockwood Valley Road, 3.8 miles east of #7N11 Rd; north road slide. 1341 Comment
  RSA226018  Salvia dorrii var. pilosa Robert F. Thorne, C. W. Tilforth 1971-6-29 40683 Los Angeles San Gabriel Mts., Angeles National Forest: N slope San Gabriel Mts., ca. 1.5 miles E of junction of Aliso Creek wash and Santa Clara River. 854 Comment
  CAS-BOT-BC233653  Salvia leucophylla Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills Comment
  UCSB24625  Salvia leucophylla McMinn, Howard 1931-7-5 Los Angeles Ridge Route; Tehachapi Mts Comment
  CATA585  Salvia mellifera Mark L. Hoefs 1991-4-7 1023 Los Angeles Santa Catalina Island: Upper Avalon Canyon, south-west of Divide Road 377 Comment
  CHSC26071  Salvia mellifera Paul M. Gomez 1966-4-1 50 Los Angeles W. boundary of Griffth Park. 365 Comment
  OBI69407  Salvia mellifera Patricia A. Krueger 1994-5-18 40 Los Angeles San Gabriel Mts, 3.8 mi N on Mt. Lower Truck Trl from Chaney Trl 1219 Comment
  RSA199556  Salvia mellifera I. W. Clokey, Bonnie C. Templeton 1929-05 4478 Los Angeles Mandeville Canyon, Santa Monica Mountains. 250 Comment
  RSA347545  Salvia mellifera Barry A. Prigge 1985-6-14 6404 Los Angeles Santa Monica Mountains, Cold Creek Canyon: along trail from upper gate of Cold Creek Preserve to Murphy Ranch site. 659 Comment
  RSA434128  Salvia mellifera Fay A. MacFadden 1931-3-16 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  RSA719097  Salvia mellifera Naomi S. Fraga, Jorge Arriaga 2002-4-28 79 Los Angeles California State Polytechnic University, Pomona. Voorhis Ecological Reserve. S slope near bottom of Box Canyon. Comment
  SD69618  Salvia mellifera Robert F. Thorne, P. Everett 1965-5-10 34444 Los Angeles Santa Catalina Island; on south slope of Black Jack Mountain, few hundred feet below summit. 487 Comment
  SEINET3200285  Salvia mellifera G. Rink 2011-6-1 10569 Los Angeles Chino Hills, northeast of La Brea. 260 Comment
  UC519725  Salvia mellifera Joseph Andorfer Ewan 1932-5-10 7452 Los Angeles Verdugo Canyon Storm Channel Comment
  UCR205729  Salvia mellifera A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37013 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  SEINET12315420  Salvia mellifera D. P. Reagan 1974-1 3 Los Angeles Cherry Canyon, approx. 5mi N of Castaic. LADWAP Comment
  CAS-BOT-BC235021  Sambucus Marcus E. Jones 1926-5-21 s.n. Los Angeles Mountains near Claremont Comment
  RSA477557  Sambucus mexicana Franklin W. Klepinger 1938-4-23 s.n. Los Angeles Malibu Lake region. Comment
  UCR126247  Sambucus mexicana A. C. Sanders 2003-3-14 25780 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 171 Comment
  OBI40209  Sambucus nigra subsp. caerulea A. C. Sanders 1985-7-25 5945 Los Angeles San Gabariel Mtns, along hwy 2 at Buckhorn flat Campground, ca. 20 mi W of Wrightwood, below Mt. Waterman. Assoc with Abies concolor. 2134 Comment
  SBBG13204  Sambucus nigra subsp. caerulea E. R. Blakley 1962-10-4 5414 Los Angeles Howland's Landing at Sullivan's Beach 6 Comment
  UC1605465  Sanguisorba minor subsp. muricata Tim Ross 1993-4-22 6923 Los Angeles Middle Canyon sw part Santa Catalina Island (along old dirt road (no longer maintained) that ascends the ridge sw of Thompson Dam and drops to Bullrush Canyon); Santa Catalina South Quad., , Middle Cy 213 Comment
  UC1400389  Sanicula arguta Robert F. Thorne 1966-4-16 36066 Los Angeles below Lemon Tank (near dump, s of Nanny, ne side of San Clemente Island); San Clemente Island 182 Comment
  UCR273427  Saponaria officinalis R. G. Swinney 2011-7-7 15463 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), central camp area 1098 Comment
  LA210530  Schinus molle Louis C. Wheeler; 1932-10-22 1437 Los Angeles Liveoak Wash near La Verne 403 Comment
  CATA609  Schismus arabicus Mark L. Hoefs 1991-4-8 1058 Los Angeles Santa Catalina Island: Upper Avalon Canyon, below Wrigley Memorial, near drainage channel 143 Comment
  LA98920  Schismus arabicus E. R. Hobbs; 1978-4-23 78 -164 Los Angeles Antelope Valley, Little Rock, State Highway 138 Comment
  RSA343363  Schismus arabicus F. R. Fosberg 1983-4-22 64145 Los Angeles N of Saddleback Butte, n of Avenue J, E of Lancaster, Antelope Valley Comment
  RSA714198  Schismus arabicus Valerie L. Soza, Miriam Sidibeh 2003-3-26 1613 -b Los Angeles Western San Rafael Hills: Ridge Motorway off Camino San Rafael, southwest of Emerald Isle Dr and Camino San Rafael junction, above Mayors Bicentennial Park. 579 Comment
  RSA670959  Schismus barbatus Joseph M. Keefe 2001-3-19 31177 Los Angeles San Rafael Mountains. 3 meters north of Glenoaks Boulevard, 100 meters west of end of road, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, 91208., 34 deg 09' 42.2'' N, 118 deg 11' 42.5'' W 470 Comment
  SBBG112874  Schismus barbatus S. A. Junak 1998-3-22 SCa 512 Los Angeles rd to Shark Harbor, just W of Little Harbor Rd 60 Comment
  UCR123803  Schismus barbatus Steven R. Hill, K. Kramer 2001-4-22 33346 Los Angeles Southwestern Mojave Desert, N side of San Gabriel Mtns. Antelope Valley, east of California Poppy Reserve, N and S sides of Avenue I (Lancaster Rd.), 1.5 mi west of Munz Ranch Road, 2.6 mi west of junction with 120th Street West, about 15 mi due NW of Palmdale 805 Comment
  RSA366003  Schoenoplectus californicus Dayton, Dayton 1925-4-15 s.n. Los Angeles NE side of Baldwin Hills, L.A. vicinity. Comment
  SFV12569  Scirpus acutus var. occidentalis M. H. Grayum 1977-11-24 876 Los Angeles San Fernando Valley Sepulveda Basin. Along Los Angeles River, between dam and Burbank Blvd. 207 Comment
  UC535523  Scrophularia californica Ira W. Clokey, B. Templeton July 1929 4573 Los Angeles Mandeville Canyon; Santa Monica Mts 300 Comment
  RSA425192  Scrophularia californica subsp. floribunda Frances M. Morey 1922-05 s.n. Los Angeles Laurel Canyon. Comment
  SBBG13631  Scrophularia villosa P. H. Raven 1962-5-10 17711 Los Angeles floor of cyn N of Thirst 304 Comment
  SD51712  Scrophularia villosa Robert Ornduff, R. L. Taylor 1960-3-19 5095 Los Angeles Golf Links Canyon, Santa Catalina Island Comment
  SD252381  Scrophularia villosa Steven A. Junak 1999-5-6 Sca 888 Los Angeles Santa Catalina Island: Parson's Landing, at W end of beach, just inland from creek mouth, W facing slope at 1st fork in canyon. 24 Comment
  CHSC5106  Scutellaria siphocampyloides M. MacArthur 1967-7-16 91 Los Angeles .7 mi from turn-off on Angeles Crest Hwy. to lower Chilao keeping to right at fork--left side of road. by intermittent stream bed, Angeles National Forest. 1584 Comment
  RSA0135519  Scutellaria siphocampyloides Janell Cassianni 2007-06 4 Los Angeles Chilao / Horse Flats. Comment
  POM4105  Scutellaria tuberosa W. M. S. s.n. Los Angeles Ganesha Hills [Pomona] Comment
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Mar 25 2014
  LA103475  Secale cereale Barry A. Prigge; 1986-3-20 6975 Los Angeles Tehachapi Mountains, 0.4 mi. E of Gorman on Lancaster Road 1127 Comment
  CAS-BOT-BC63898  Sedum spathulifolium J. Ewan 1932-5-30 7225 Los Angeles North Fork Tujunga Creek, San Gabriel mts. 1066 Comment
  RSA613295  Selaginella asprella Louis Cutter Wheeler 1932-12-17 1453 Los Angeles The Hogback, San Antonio Canyon 1158 Comment
  UCD135968  Selaginella asprella Louis C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mountains: South side of Devil's Canyon. 1402 Comment
  CAS-BOT-BC62023  Selaginella bigelovii E. R. Blakley 1962-10-3 5388 Los Angeles on north slope, east side of Black Jack Mountain, start of road to White's Landing, Santa Catalina Island 411 Comment
  LA94000  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-12 1687 Los Angeles SANTA MONICA MOUNTAINS, Lobo Canyon, ca 0.75 mi W of Triunfo Canyon Rd, bluff just N of Lobo Creek. 304 Comment
  RSA584039  Selaginella bigelovii Timothy S. Ross, S. D. Boyd 1991-4-25 4583 Los Angeles San Gabriel Mtns: Steep slope dropping S from Doe Flat toward Graveyard Canyon (which drains to the lower E Fork of the San Gabriel River). 731 Comment
  RSA616076  Selaginella bigelovii Scott D. White, Brian Leatherman 1997-1-14 6046 Los Angeles Santa Clara River Watershed: Upper Oak Springs Canyon, above existing gravel quarry. 580 Comment
  SBBG13275  Selaginella bigelovii M. A. Piehl 1962-6-9 62330 Los Angeles China Cyn (near head), ca. 2 mi from China Pt 213 Comment
  OBI1548  Selaginella bigelovii R. J. Rodin 1953-5-2 5804 Los Angeles Canyon behind Hites Cove, Catalina Island Comment
  RSA683768  Selaginella bigelovii Meryl B. Dunkle 1939-4-3 7228 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  UCR70762  Senecio aphanactis L. C. Wheeler 1932-3-13 00472 Los Angeles San Gabriel Valley; San Jose Hills, Puddingstone Dam 305 Comment
  LA200264  Senecio flaccidus var. douglasii Martha Hilend Kinsey; 1935-11-16 sn Los Angeles Santa Monica Mountains, Bel-Air Estates Comment
  POM182363  Senecio flaccidus var. douglasii Joseph A. Ewan 1931-10-11 5246 Los Angeles Sepulveda Canyon Road north of Mulholland, Santa Monica Mountains Comment
  RSA601047  Senecio flaccidus var. douglasii Steve Boyd, Lauren Raz 1997-6-18 9981 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  RSA585402  Senecio flaccidus var. monoensis Timothy S. Ross, S. D. Boyd 1990-5-29 2715 Los Angeles Big Rock Springs: immediate vicinity of Big Rock Creek where crossed by Big Pines Highway (Valyermo Rd.). 1183 Comment
  RSA473038  Senecio lyonii Reid V. Moran 1941-3-2 665 Los Angeles Santa Catalina Island. Point between Wilson's Harbor & Howland's, steep slope above sea. 3 Comment
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Jun 9 2014
  RSA547441  Senecio vulgaris Timothy S. Ross 1992-5-17 6372 Los Angeles San Gabriel Mts.: lower Shoemaker Canyon, draining to the E fork of the San Gabriel River and joining it at 2125 feet elevation 723 Comment
  RSA716217  Senecio vulgaris Andrea Edwards, Pam De Vries 2006-4-11 81 Los Angeles Lebec USGS quad; triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  RSA94845  Senecio vulgaris F. W. Peirson 1918-10-21 290 Los Angeles Ovid's Camp, west fork of San Gabriel River. Comment
  UCSB33616  Senecio vulgaris Griesel, Wesley 1962-3-17 Los Angeles Tapia Park, Santa Monica Mts. 152 Comment
  RSA0112035  Senna A. C. Sanders, T. B. Salvato 2009-5-19 36830 Los Angeles San Gabriel Valley: Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center. 110 Comment
  RSA703386  Senna artemisioides R. E. Riefner Jr. 2000-8-29 00 -763 Los Angeles La Tuna Canyon, Snata Monica Mountains Conservancy Park, second canyon at picnic stop along La Tuna Canyon Rd. S of 210 Freeway. 462 Comment
  SDSU2030  Sequoia sempervirens Gerald Collier 1951-4-8 J 55 Los Angeles 2615 Lower Azusa Road, El Monte. About 12 miles east of L.A. Comment
  SBBG133139  Sesuvium verrucosum S. A. Junak 1996-4-12 SCI- 295 Los Angeles E side of Skink Alley Rd, in swale N of Pk 59, with building 60166, 1 mi NE of San Clemente Ridge Rd 140 Comment
  UCSB469  Setaria viridis B., K. 1943-8-21 Los Angeles Volfe Canyon above end of road, San Dimas Experimental Forest, San Gabriel Mountains Comment
  UCR272593  Sidotheca caryophylloides R. G. Swinney 2011-6-7 15030 Los Angeles San Gabriel Mountains, Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road 1616 Comment
  UCD170321  Sidotheca trilobata R. G. Swinney 2009-5-27 10878 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream. 1585 Comment
  RSA0077381  Silene californica Orlando Mistretta 1992-7-13 688 Los Angeles San Gabriel MountainsL Los Pinetos Spring Canyon Trail. Comment
  CATA1082  Silene gallica Mark L. Hoefs 1995-5-16 2032 Los Angeles Santa Catalina Island: Big Springs Canyon, near road to Two Harbors 103 Comment
  SBBG95430  Silene gallica M. B. Dunkle 1928-3-17 1738 Los Angeles Howland's Landing Comment
  UCR131388  Silene gallica Alison Lipman 1998-5-4 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
  CAS-BOT-BC387023  Silene gallica John I. Carlson 1914-4-25 s.n. Los Angeles Avalon, Catalina Island Comment
  CAS-BOT-BC174889  Silene laciniata Tim Ross 1992-6-15 6557 Los Angeles Whittier Hills (local name for the western extremity of the Puente Hills): upper end of Turnbull Canyon 294 Comment
  RSA477930  Silene laciniata subsp. major Fordyce Grinnell Jr. 1910-04 s.n. Los Angeles San Rafael Hills, Pasadena Comment
  CAS-BOT-BC389333  Silene lemmonii Geo. B. Grant 1906-6-15 s.n. Los Angeles Summit of Mt. Wilson. San Gabriel Mts. 1828 Comment
  RSA763748  Silene lemmonii Orlando Mistretta, Christine Mistretta 2008-5-20 3138 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 95 per TRTP Survey 2008), Rincon Red box Rd., W Fork of the San Gabriel River, N slope of Monrovia Pk. 1453 Comment
  RSA0091334  Silene verecunda R. G. Swinney 2011-8-17 15635 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  UCR256574  Silene verecunda Anuja Parikh, Nathan Gale 2011-6-28 3516 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 1280 Comment
  UC534849  Silene verecunda subsp. platyota Victor Duran 1933-7-24 3530 Los Angeles Buckhorn , Buckhorn (San Gabriel Mts.) 1981 Comment
  CAS-BOT-BC75083  Sisymbrium altissimum Carl B. Wolf 1936-5-27 7834 Los Angeles San Gabriel Mountains. Indian Canyon Camp. 2 miles off Soledad Canyon. 914 Comment
  RSA660168  Sisymbrium altissimum Orlando Mistretta 1992-5-25 438 Los Angeles Transverse Ranges; San Gabriel Mountains region: Fenner Canyon Conservation Camp, Between camp boundary and water tower. Comment
  UCSB27921  Sisymbrium altissimum Kunze, G. 1971-4-17 Los Angeles 160th Street, 6.3 miles south of Lancaster Road, Antelope Valley 914 Comment
  UCR252770  Sisymbrium irio R. G. Swinney 2010-3-10 11791 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes 329 Comment
  OBI35618  Sisymbrium irio Rebecca Cicoria 1981-5-17 33 Los Angeles Off Narcissa Dr, landslide area of Portuguese Bend, Rancho Palos Verdes Comment
  SBBG130745  Sisymbrium irio S. A. Junak 2000-3-30 SCa 1143 Los Angeles cmpgrd at Little Harbor 6 Comment
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Jul 26 2016
  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
  UCR155667  Sisymbrium orientale A. C. Sanders, Helen Kennedy 2005-4-13 29456 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCR76408  Sisymbrium orientale T. S. Ross, Elizabeth A. Kellogg 1992-4-13 6139 Los Angeles Channle Islands, San Clemente Island; north head of the island, off E end of the active runway. 43 Comment
  RSA431759  Sisymbrium orientale Wm. Martin 1972-5-12 s.n. Los Angeles Gold Creek, Little Tujunga. Comment
  LA23982  Sisyrinchium bellum A. M. Johnson; 1932-5-30 4089 Los Angeles SANTA MONICA MOUNTAINS, Brent's Mountain, Crag's Camp. Comment
  LA24003  Sisyrinchium bellum Louis Wheeler; 1932-3-23 517 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. Comment
  UC68500  Sisyrinchium bellum unknown May, 1903 Los Angeles Los Angeles Comment
  UCR189726  Sisyrinchium bellum R. G. Swinney 1998-7-21 6477 Los Angeles San Gabriel Mtns., upper Fish Fork drainage, south-facing slope of Pine Mountain Ridge, 2.1 miles SW of Fish Fork Trail and Pine Mtn. Ridge 2085 Comment
  OBI35968  Sisyrinchium bellum J & B Semple, B Semple 1981-8-14 5616 Los Angeles E of Kratka Bridge, along crk Comment
  CATA973  Solanum douglasii Mark L. Hoefs 1994-5-21 1842 Los Angeles Santa Catalina Island: Southeast end of Renton Mine Road 262 Comment
  POM4159  Solanum douglasii F. E. Durkee 1907-5-10 25 Los Angeles Claremont. 366 Comment
  RSA226163  Solanum douglasii Gary D. Cromwell, David W. Wheat 1971-4-16 517 Los Angeles Mystic Canyon, Angeles National Forest, 2 miles NE of Glendora. 427 Comment
  RSA572117  Solanum douglasii M. B. Dunkle 1939-4-3 7225 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  RSA654560  Solanum douglasii Benjamen Rangel 1992-4-10 777 -06 Los Angeles Behind La Cienega (Housing Office), close to a light power source and by a sprinkler outlet. [Cal Poly Pomona ?] Comment
  UCR108427  Solanum physalifolium var. nitidibaccatum L. C. Wheeler 1946-9-16 6370 A Los Angeles Garvey: Walnut Grove Avenue and Rush Street 75 Comment
  RSA427415  Solanum umbelliferum Albert J. Perkins 1913-3-23 s.n. Los Angeles La Canada Comment
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Aug 6 2013
  UCR191518  Solanum umbelliferum R. G. Swinney 1998-7-8 6316 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  RSA428779  Solanum umbelliferum E. A. McGregor 1965-5-5 s.n. Los Angeles Pearblossom, Antelope Valley. Comment
  CATA605  Solanum wallacei Mark L. Hoefs 1991-4-8 1051 Los Angeles Santa Catalina Island: Upper Avalon Canyon, below Wrigley Memorial, near drainage channel 143 Comment
  OBI26228  Solanum xanti Mark Schneider 1973-5-3 27 Los Angeles 1/4 mi W of Topanga Cyn Blvd, Topanga Cyn, Santa Monica Mts 396 Comment
  LA212213  Solanum xanti Vincent Arellano; 1980-6-2 s.n. Los Angeles Placerita Canyon, West facing slope 1/2 mile up creek. 487 Comment
  UCSB6859  Solanum xanti Crum, Charles 1958-7-3 Los Angeles Crystal lake road, near Los Angeles California 1219 Comment
  CAS-BOT-BC365313  Solidago confinis Louis C. Wheeler 1966-10-1 8951 Los Angeles San Gabriel Mountains; Colby Ranch 1097 Comment
  CDA4255  Spartium junceum T. C. Fuller, T. Suzuki 1959-3-19 2089 Los Angeles North side Foothill Boulevard, in Arroyo, east of Hillard Avenue, La Canada. 0 Comment
  RSA650330  Spergula arvensis Dolores Perez 1981-4-26 28 Los Angeles Zayanta Dr. at junction of 79th ST. in Playa del Rey. 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
  RSA0097896  Spergularia bocconi C. B. Wolf 1932-5-12 3578 Los Angeles Santa Catalina Island. Borders of Catalina Harbor. 3 Comment
  SD66884  Spergularia macrotheca R. Mitchel Beauchamp 1967-3-17 260 Los Angeles San Clemente Island, bluff east of Date 2. Comment
  CAS-BOT-BC390325  Spergularia macrotheca var. macrotheca Michael R. Benedict 1971-6-26 s.n. Los Angeles California Islands. About 1/2 mile south of Wilson Cove. San Clemente Island Comment
  RSA0098588  Spergularia marina Robert Gustafson 1981-3-10 2114 Los Angeles Ballona Wetlands, Area 1. Comment
  CAS-BOT-BC390552  Spergularia platensis Le Roy Abrams 1901-4-12 1494 Los Angeles Inglewood Comment
  SEINET3150438  Sphaerostigma micranthum G. B. Grant 1233 Los Angeles Pasadena Comment
  POM4082  Stachys ajugoides L. R. Abrams 1901-6-6 1725 Los Angeles Mesmer. Comment
  LA30871  Stachys albens Peter H. Raven; Jane Turner, Barbara Whitesel 1959-3-15 C 152 Los Angeles 9 Comment
  RSA446605  Stachys albens L. E. Hoffman 1932-8-10 17694 Los Angeles Verdugo Woodlands, Glendale. Comment
  UCD125798  Stachys albens Shirley W. Campbell 1970-4-24 104 Los Angeles east bank of lower reach of the Arroyo Seco, southwestern Pasadena. Comment
  SEINET11587856  Stachys bullata Unknown 2011-4-5 14343 Los Angeles San Gabriel Mountains Comment
  UC1818706  Stachys bullata Richard S. Hood 1970-5-16 307 Los Angeles 1.9 mi n Pacific Coast Hwy. (on Tuna Canyon Road); Santa Monica Mtns., Tuna Canyon Comment
  UCR168522  Stachys bullata Tema S. Clare 1929-3-28 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Topanga Canyon 305 Comment
  RSA0115070  Stebbinsoseris heterocarpa Steven A. Junak 2001-5-4 SCa- 1497 Los Angeles Santa Catalina Island. E of Parson's Landing. 121 Comment
  RSA0093399  Stephanomeria Mitch Provance, Scott Duff 2015-9-11 1115 -08 Los Angeles Antelope Valley: S side of Hwy 138, c. 4.7 miles W of Antelope Acres, SCE transmission route, c. 0.2 miles E of 140th St. W. 790 Comment
  UCR228422  Stephanomeria Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-21 8052 Los Angeles Lower south foothills of Sierra Pelona, one km NE of Governor Mine, 1.3 km E of Red Rover Mine Rd, and 2.4 km N of I-14/Sierra Highway 1163 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
  UCR61340  Stephanomeria cichoriacea R. G. Swinney 1989-8-24 s.n. Los Angeles San Gabriel Mtns., San Gabriel Mtns, in and near Glendora Wilderness Park, Big Dalton Canyon. Big Dalton Canyon Rd, 1.6 mi NE of Glendora Mtn Rd., south side of road 457 Comment
  RSA0039572  Stephanomeria cichoriacea Timothy S. Ross 1991-8-16 5805 Los Angeles San Gabriel Mountains: Clear Creek Canyon, roadcut along Angeles Forest Hwy. 1085 Comment
  UCR88661  Stephanomeria diegensis Scott D. White 1995-10-19 3709 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  UC284244  Stephanomeria exigua subsp. coronaria P. A. Munz 1923-8-31 7671 Los Angeles ridge s Swartout Valley; San Gabriel Mts. 2575 Comment
  UCD136378  Stephanomeria exigua subsp. coronaria R. N. Raynor 1938-6-1 s.n. Los Angeles between Little Rock and Cajon. Comment
  SBBG67888  Stephanomeria exigua subsp. exigua R. Hoffmann 1927-8-31 Los Angeles Palmdale Comment
  CATA413  Stephanomeria virgata subsp. virgata Sara L. Crockett, Mark Hoefs, Steve Junak, Gary Allan 1996-10-31 550 Los Angeles Santa Catalina Island: Upper Cape Canyon 216 Comment
  RSA276014  Stephanomeria virgata subsp. virgata Jack Delaini 1974-2-27 53 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. On firebreak along E ridge of canyon 822 Comment
  UCR205567  Stipa coronata R. G. Swinney 2008-5-30 8902 Los Angeles San Gabriel Mtns., San Gabriel Canyon along old road/trail at El Encanto [El Encanto Azusa River Wilderness Park, 0.2 mi. upstream from park admin. buliding -- R.G.S., 2010] 256 Comment
  UCR270534  Stipa coronata R. G. Swinney 2010-4-13 12177 Los Angeles San Gabriel Mountains, 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom 610 Comment
  OBI2535  Stipa hymenoides Larry E. Brown 1970-5-2 1795 Los Angeles At campground in the Joshua Tree State Park near Lancaster Comment
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Sep 29 2015
  CATA1630  Stipa lepida Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Lisa Stratton 1998-5-2 2903 Los Angeles Santa Catalina Island: Near Divide Road, east end 1.7 miles from Wrigley Memorial 256 Comment
  SD186025  Stipa speciosa A. C. Sanders 2005-5-5 29873 Los Angeles Santa Clarita area, lower Mint Canyon on the ridge above and west of the community of Mint Canyon. 518 Comment
  CATA1298  Stuckenia pectinata Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2388 Los Angeles Santa Catalina Island: By upper Cape Canyon Reservoir 323 Comment
  RSA777623  Stylocline gnaphaloides Orlando Mistretta, Christine Mistretta 2010-5-20 5157 Los Angeles Slopes W of Angel