Search Results — 2000 specimen records retrieved (1520 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
  RSA597119  Abies concolor T. S. Ross, Peter W. Fritsch, S. D. Boyd, Orlando Mistretta 1990-6-22 3712 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon 1939 Comment
  RSA235306  Abronia maritima E. R. Blakley 1963-12-8 6405 Los Angeles San Clemente Island: mouth of Horse Beach Canyon which is first canyon east of China Point 3 Comment
  NY679461  Abronia umbellata L. Abrams 1902-6-8 2494 Los Angeles Playa del Rey. Comment
  UCR255485  Acacia Dan S. Cooper 2014-6-19 614- 12 B Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Wonder View Dr., northwest of Hollywood Reservoir 273 Comment
  OBI2625  Acacia melanoxylon F. Mills 1967-4-29 40 Los Angeles Pasadena, along west drive near RoseBowl Comment
  POM42138  Acamptopappus sphaerocephalus var. hirtellus H. M. Hall, H. P. Chandler 1906-6-11 7388 Los Angeles Near Lancaster, in the lower Sonoran Zone of the Mohave Desert. 213 Comment
  CAS-BOT-BC331573  Acer macrophyllum Antone Blazic 1923-4-7 30 Los Angeles Los Angeles Comment
  CATA22  Achillea millefolium USC Wrigley Interns: Daniel Kasang, Alexandria Cheung, Miller Zou, Sabrina Lawrence-Gomez, Sarah Ratay 2011-7-1 7 Los Angeles Santa Catalina Island: Deer Valley Trail 4 Comment
  RSA0048476  Achillea millefolium Lee Haines 1935-7-4 s.n. Los Angeles San Dimas Lookout, San Gabriel Mountains. Comment
  UCSB43905  Achnatherum coronatum Green, Lisa 1980-5-30 Los Angeles slope of N side of Mayan Dr, 0.25 mi from Topanga Canyon Rd. 396 Comment
  RSA584131  Achnatherum speciosum Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-8 2961 Los Angeles Upper Big Tujunga Canyon (ca. 0.9-1.4 air miles ENE of Barley Flats). 1280 Comment
  RSA599810  Achnatherum speciosum Steve Boyd, Lauren Raz 1997-3-25 9302 Los Angeles Liebre Mountains region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch. 1097 Comment
  SBBG109152  Acmispon argophyllus var. adsurgens D. H. Wilken 1997-8-27 15370 Los Angeles N side of S branch of Kink par Cyn 150 Comment
  SEINET1004367  Acmispon brachycarpus A. C. Sanders, Mark Elvin, et al. 2003-1 25960 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  LA48000  Acmispon dendroideus var. dendroideus Harlan Lewis; 1937-3-24 sn Los Angeles Santa Catalina Island 91 Comment
  SD48948  Acmispon dendroideus var. traskiae Reid Moran 1958-9-15 6841 Los Angeles San Clemente Island, on slope above Wilson Cove 49 Comment
  SD52896  Acmispon dendroideus var. traskiae Peter H. Raven 1962-5-7 17578 Los Angeles Wilson Cove, in grassland on edges of gully 91 Comment
  UCD104125  Acmispon glaber P. B. Kennedy 1928-3-28 s.n. Los Angeles Santa Catalina Island. Comment
  SBBG120134  Acmispon glaber A. C. Sanders, M. Elvin et al 2003-4-14 25966 Los Angeles hills immediately SW of Magic Mtn, just across dirt service rd, S of Santa Clara River, Newhall Ranch 351 Comment
  SBBG95188  Acmispon grandiflorus var. grandiflorus M. B. Dunkle 1928-3-17 1749 Los Angeles Emerald Bay Comment
  CATA1852  Acmispon wrangelianus Denise Kraus, Patricia Moore 2000-5-15 33 Los Angeles Santa Catalina Island: Goat Harbor burn area, eastern firebreak road. Approximately 0.6 mile from Airport road (about halfway down to beach) 304 Comment
  LA52448  Acmispon wrangelianus Carl Epling; L. Ellison 1929-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA0119659  Acourtia microcephala R. G. Swinney 2014-5-19 16585 Los Angeles San Gabriel Mountains; Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Mtwy. 515 Comment
  UC206238  Acourtia microcephala Katharine Brandegee Los Angeles Santa Catalina Id. Comment
  CAS-BOT-BC29720  Acroptilon repens T. C. Fuller 1963-10-9 11366 Los Angeles N side of 7th Street, E of Salida Ave., just W of the San Gabriel River, Long Beach Comment
  LA105352  Adenostoma fasciculatum Barry A. Prigge; 1989-4-23 8426 Los Angeles Santa Susana Mountains, between Falls Creek and Blind Canyon, 1.5 mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 579 Comment
  UCR179262  Adenostoma fasciculatum R. G. Swinney 1967-6-25 154 Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon 488 Comment
  RSA592476  Adenostoma fasciculatum var. fasciculatum Mark Hoefs 1973-3-13 62 Los Angeles Santa Catalina Island. Upper Avalon Canyon, by water tank above Wrigley Memorial. 290 Comment
  SBBG2866  Adenostoma fasciculatum var. fasciculatum H. and M. Dearing 1938-5-22 2597 Los Angeles Decker Ranch Rd Comment
  RSA687667  Adiantum capillus-veneris Geo C. Johnstone 1927-10-30 s.n. Los Angeles upper part of Big Tujunga Canyon Comment
  RSA729555  Adiantum capillus-veneris R. G. Swinney 1999-7-14 7553 Los Angeles Allison Gulch, an eastern tributary of East Fork San Gabriel River Canyon. 1012 Comment
  UCR191190  Adiantum capillus-veneris R. G. Swinney 1999-7-28 7592 Los Angeles San Gabriel Mtns., Clark Gulch, at falls c. 400 m east of confluence with East Fork San Gabriel River Canyon 1098 Comment
  UCR157913  Aesculus californica Robert J. Steers 2005-5-8 01 Los Angeles South Coast, Palos Verdes Peninsula: In drainage directly across the street from 445 P.V. Dr. North, Palos Verdes Estates 55 Comment
  RSA0050333  Agalinis heterophylla Richard G. Swinney 2009-11-9 11584 Los Angeles Transverse Range; San Gabriel Mountains: confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork. 427 Comment
  UCR259041  Agave americana R. G. Swinney 2010-3-14 11902 Los Angeles San Gabriel Mountains, Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road 447 Comment
  UCR158862  Ageratina adenophora Scott D. White 1994-7-14 2244 Los Angeles Transverse Ranges; San Gabriel Mountains, San Dimas Canyon; along San Dimas Canyon Road 396 Comment
  UCR258576  Ageratina adenophora R. G. Swinney 2010-4-23 12368 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  HSC24490  Ageratina adenophora Arthur C. Gibson, Linda Gibson 1972-3-18 2791 Los Angeles Fich Canyon Mtn.; San Gabriel Mtns. Comment
  UCR191520  Agoseris grandiflora R. G. Swinney 1998-7-8 6301 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  UCR179732  Agoseris heterophylla R. G. Swinney, Dave Larson 1996-7-17 5137 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  RSA0040526  Agropyron cristatum subsp. pectinatum Orlando Mistretta 1995-1-10 1958 Los Angeles Transverse Ranges; San Gabriel Mountains region: near Glendora Mountain Road, about 4 miles W of jct. with Mt. Baldy Road. 1418 Comment
  RSA748468  Agrostis R. G. Swinney, Cody Clarke 2001-8-22 8082 Los Angeles 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2305 Comment
  UCR277010  Agrostis R. G. Swinney 2010-9-30 13920 Los Angeles San Gabriel Mountains, 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs 2290 Comment
  UC196692  Agrostis alba A. Davidson, M. D. 1916-6-18 3158 Los Angeles roadside Alhambra Comment
  RSA0082408  Agrostis exarata R. G. Swinney 2010-9-7 13722 Los Angeles NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks. 1768 Comment
Read comments
Oct 27 2020
  RSA798311  Agrostis exarata Jane Tirrell 2012-7-25 LS 0129 Los Angeles South side California State Route 2 approx. 1.25 mi. east of Islip Saddle between mile markers 66.43 and 66.82. 2235 Comment
  RSA0127705  Agrostis exarata Louis C. Wheeler 1967-7-18 10102 Los Angeles Gold Creek off Little Tujunga Canyon. 549 Comment
  SBBG127369  Agrostis pallens A. Parikh, N. Gale 2011-7-7 3545 Los Angeles Barley Flats, 4.3 km W of Shortcut Station, 1.1 km N of St Hwy 2; San Gabriel Mtns 1696 Comment
  HSC24471  Agrostis stolonifera R. F. Thorne, M. Z. Thorne 1969-7-9 38562 Los Angeles San Gabriel Mountains, Angeles National Forest; upper part of large sloping meadow at Big Pines 2088 Comment
  RSA605022  Agrostis stolonifera L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1997 Comment
  UCR223727  Agrostis viridis R. G. Swinney 2009-6-12 11148 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  RSA135255  Ailanthus altissima Peter H. Raven 1960-5-21 15402 Los Angeles Cornell Corners, Santa Monica Mountains. 244 Comment
  RSA750236  Ailanthus altissima A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37069 Los Angeles Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery 63 Comment
  UCD117163  Ailanthus altissima Will Reynolds; J. M. Gilbertson 1963-8-1 s.n. Los Angeles Near SE corner on Orange Grove Ave, E of Lewis Street, Pomona. Comment
  UCD104595  Albizia lophantha Steve Morgan 1991-3-3 s.n. Los Angeles San Dimas, SW corner of San Dimas Ave. and Arrow Hwy. Comment
  RSA353525  Alisma triviale Geo L. Moxley 1913-8-11 s.n. Los Angeles About 0.75 mile south from Dominguez Junction. Comment
  JEPS61500  Allium campanulatum Frank W. Peirson 1922-7-5 3192 Los Angeles about 1/2 mi w Big Pines (along left bank of stream); San Gabriel Mountains, Mescal Creek Comment
  CAS-BOT-BC469354  Allium fimbriatum var. fimbriatum Timothy S. Ross 1991-4-27 4721 Los Angeles Black Butte: rocky easterly and northeasterly slopes. 1091 Comment
  UCR255788  Allium haematochiton R. G. Swinney 2010-3-10 11825 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  RSA597819  Allium haematochiton L. C. Wheeler 1969-4-19 s.n. Los Angeles San Gabriel Mountains. Placerita Canyon 457 Comment
  JEPS8606  Allium lacunosum Rimo Bacigalupi with G. T. Robbins and L. R. Heckard 1953-6-14 4186 Los Angeles along forest service road between Horse Flat Camp and Pinyon Flats; San Gabriel Mountains, Angeles National Forest 1889 Comment
Read comments
Nov 21 2010
  UC1971152  Allium lacunosum var. davisiae Louis C. Wheeler 1973-4-21 Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast of Vincent. Comment
  UCR192864  Allium monticola R. G. Swinney 1999-8-9 7605 Los Angeles San Gabriel Mtns., east end of Big Horn Ridge, c. 0.5 mi SW of West Baldy peak of Mt. San Antonio 2805 Comment
  RSA366491  Allium praecox Anstruther Davidson 1905 Los Angeles Catalina [Island] Comment
  RSA376825  Allium praecox M. B. Dunkle 1939-4-6 7304 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  RSA802350  Allophyllum divaricatum Orlando Mistretta, Cher Batchelor 2011-7-27 5985 Los Angeles Arroyo Seco Cyn drainage. Angeles Crest Hwy, near mile market no. 31. 975 Comment
  RSA0014800  Allophyllum gilioides subsp. violaceum Orlando Mistretta, Oscar Dorado 1989-5-10 s.n. Los Angeles Liebre Mountains region: Bouquet Canyon. Comment
  POM199721  Allophyllum glutinosum I. W. Clokey, B. C. Templeton 1929-04 4468 Los Angeles Mandeville Canyon, Santa Monica Mountains. 425 Comment
  RSA410074  Allophyllum glutinosum C. Epling 1931-5-9 s.n. Los Angeles Santa Monica Mountains. Los Alisos Canyon. Comment
  LA210847  Allophyllum glutinosum Arthur C. Gibson; 2008-7-8 5233 Los Angeles SANTA MONICA MOUNTAINS, upper Encinal Rd. Comment
  SBBG118999  Allophyllum glutinosum M. Honer 2004-6-22 1984 Los Angeles San Antonio Cyn, Mt Baldy Rd between Spruce Cyn and the "Hog Back"; T1N R8W S1 and S 12 260 Comment
  CAS-BOT-BC136686  Alnus rhombifolia A. C. Sanders; Mark Elvin; Dave Fleitner 2003-8-6 27143 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  RSA0091166  Alnus rhombifolia R. G. Swinney 2011-6-30 15402 Los Angeles 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA591458  Alnus rhombifolia L. C. Wheeler 1966-10-12 8978 Los Angeles San Gabriel Mountains. East fork, San Gabriel Canyon, 1/4 mi. upstream from Heaton Flat. 610 Comment
  RSA603197  Alnus rhombifolia L. C. Wheeler 1972-12-21 12792 Los Angeles San Gabriel Mountains: Millard Canyon, ca. 200 yards upstream from Southern California Edison Co. high tension line. 526 Comment
  SEINET10970466  Alyssum alyssoides E. R. Blakley 1958-5-9 Blakely 2268 Los Angeles Perennial. Fls purple. Few, well drained slopes of granite loam soil, sun. Rolling grasslands. Hills 2 mi. E of gorman, n of st hwy 138. 1097 Comment
  UCR203231  Amaranthus albus R. G. Swinney 2005-7-21 8326 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
  RSA522958  Amaranthus blitoides T. S. Ross, Orlando Mistretta 1990-10-26 3326 Los Angeles E. fork San Gabriel River ca 4/10 air-mile SE of the mouth of Williams Canyon; southern shoulder of Glendora Mountain Road. 536 Comment
  SBBG127982  Amaranthus deflexus M. L. Hoefs 1996-7-11 2762 Los Angeles Catalina St, one block up from Crescent St, Avalon 6 Comment
  LA210783  Amaranthus deflexus F. H. Lewis; 1939-9-24 1007 Los Angeles West Los Angeles Comment
  POM186318  Amaranthus palmeri L. C. Wheeler 1932-9-8 1355 Los Angeles 2 mi. NE La Verne. 366 Comment
  RSA503449  Amaranthus retroflexus L. C. Wheeler 1966-9-21 8905 Los Angeles San Gabriel Mountains. Upper Coldbrook Creek. 1448 Comment
  RSA606029  Amaranthus retroflexus L. C. Wheeler 1968-11-9 s.n. Los Angeles San Gabriel Mountains: 0.2 miles inside mouth of San Gabriel Canyon 232 Comment
  UCR121674  Amblyopappus pusillus 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
  SD129576  Ambrosia acanthicarpa A. C. Sanders 1987-12-4 7569 Los Angeles El Segundo Dunes, immediately west of L. A. International Airport and Pershing Dr. Comment
  POM14308  Ambrosia acanthicarpa Philip A. Munz 1922-10-15 6545 Los Angeles Claremont. 366 Comment
  CATA156  Ambrosia chamissonis Mark L. Hoefs, A. Douglas Propst 1973-3-14 118 Los Angeles Santa Catalina Island: West side of White's Landing, on beach 1 Comment
  RSA158320  Ambrosia chamissonis Peter H. Raven 1962-4-11 17288 Los Angeles On large dune north of a point due west of Wall 2, San Clemente Island. 9 Comment
  RSA416921  Ambrosia chamissonis F. R. Fosberg 1931-5-19 S 4922 Los Angeles Santa Catalina Island. Whites Landing. 0 Comment
  RSA680070  Ambrosia chamissonis Mark Elvin, Michael Wall, Jennifer Stone 1996-8-8 321 Los Angeles San Clemente Island. West Dunes along road to S end dunes. 50m from beach, behind rock jolting up at beach; in shrub dune interface zone. Comment
  UCD128778  Ambrosia chamissonis Daryl Koutnik 1978-3-30 s.n. Los Angeles Northwest of intersection of Pacific Avenue and Culver Boulevard near base of Ballona Bluffs. 3 Comment
  RSA232705  Ambrosia chamissonis Larry E. DeBuhr, Gary D. Wallace 1972-9-1 s.n. Los Angeles San Clemente Island. West Cove NW on island. Comment
  RSA416919  Ambrosia chamissonis M. B. Dunkle 1939-4-6 7286 Los Angeles San Clemente Island. Back Beach, Mosquito Harbor Comment
  UC1929305  Ambrosia confertiflora Scott D. White, Justin Wood 2008-6-4 12051 Los Angeles Puente Hills; SE of Rose Hills Memorial Park, adjacent to agricultural land. SCE corridor, site of proposed tower 25. 335 Comment
  JEPS55240  Ambrosia psilostachya Lewis S. Rose 1966-12-24 66115 Los Angeles Westwood Village 121 Comment
  CAS-BOT-BC272928  Ambrosia salsola A. D. E. Elmer 1902-6-1 3622 Los Angeles Palmdale Comment
  LA203754  Ambrosia salsola A. M. Johnson; 1932-4-17 3963 Los Angeles N of Palmdale in Joshua-tree area Comment
  SFV3990  Ambrosia salsola K. A. Wilson 1962-5-12 1272 Los Angeles Mojave Desert Antelope Valley. Valyermo Road, 2 miles southeast of 131st St. East in Pearblossom. 1070 Comment
  UCR192935  Amorpha californica Dan S. Cooper 2008-1 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Fern Canyon, south fork (south of the one with amphitheater), Griffith Park, Los Angeles 197 Comment
  UCSC000905  Amorpha californica Peter Kamb 1948-6-26 1131 Los Angeles South side of Pacoima Canyon near Ant Canyon Pacoima Canyon, Ant Canyon - San Gabriel Mts. 732 Comment
  RSA646134  Amorpha californica var. californica Orlando Mistretta 1992-7-13 s.n. Los Angeles Los Pinetos Spring Canyon Trail. Comment
  RSA0079965  Amsinckia intermedia L. R. Abrams 1901-4-1 1233 Los Angeles Ballona Harbor. Comment
  POM4016  Amsinckia intermedia C. F. Baker 1903-4-1 4092 Los Angeles Claremont Comment
  RSA337431  Amsinckia intermedia R. F. Thorne 1973-4-11 42859 Los Angeles San Clemente Island, middle part of Norton Canyon. 274 Comment
  RSA499936  Amsinckia intermedia Thekla Mohr 1931 Los Angeles Near Los Angeles Comment
  VVC2916  Amsinckia menziesii Tim Thomas 2014-5-4 6287 Los Angeles Mojave Desert, Antelope Valley 2.6 miles north of Neenach, just east of aqueduct just south of Ave A. 884 Comment
  RSA0089954  Amsinckia retrorsa P. A. Munz 1922-4-15 5145 Los Angeles Claremont. 365 Comment
  SBBG105334  Amsinckia spectabilis R. M. Beauchamp 1976-3-27 4082 Los Angeles S of Eel Pt Cyn 27 Comment
  UCR192169  Amsinckia tessellata A. C. Sanders 2008-4-17 34934 Los Angeles Transverse Range, hills c. 1.5 miles SW of Neenach School, c. 1.5 mi. west of Pine Canyon 989 Comment
  SEINET7047890  Amsinckia tessellata Steven R. Hill, Kate Kramer 2001-4-22 33338 Los Angeles Antelope Valley, east of California Poppy Reserve, north and south sides of Avenue I (Lancaster Road), 1.5 miles west of Munz Ranch Road, 2.6 miles west of junction with 120th Street West, about 15 miles due northwest of Palmdale. Elevation about 2640 feet. Comment
  UCR223052  Amsinckia vernicosa R. G. Swinney 2009-5-5 10651 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.6 mi. southeast of Mt. Emma Rd. crossing 963 Comment
  RSA465146  Anagallis arvensis T. S. Clare 1929-4-7 s.n. Los Angeles Topanga Canyon. Comment
  RSA465151  Anagallis arvensis Chung-Hsin Chung 1931-3-4 s.n. Los Angeles Roadside, Pasadena Comment
  CDA5475  Anagallis arvensis L. C. Wheeler 1968-4-13 s.n. Los Angeles San Gabriel Mountains just west of Bulebird Truck Trail. Comment
  RSA736150  Anagallis arvensis Rosemarie Zimmermann 1961-6-8 139 Los Angeles Dalton Road, 1.5 mi. N. of Big Dalton Dam. Big Dalton Canyon. San Dimas Experimental Forest 610 Comment
  RSA509601  Ancistrocarphus filagineus L. C. Wheeler 1967-5-8 9320 Los Angeles Liebre Mountains. Foothills northeast of Saugus. 396 Comment
  RSA639956  Andropogon glomeratus var. scabriglumis L. C. Wheeler 1947-3-1 6459 Los Angeles San Gabriel Mountians: Eaton Canyon ca. 200 meters east of first fall. Comment
  SBBG31329  Anemopsis californica R. F. Thorne 1966-4-6 35905 Los Angeles reservoir N of Catalina Airport 441 Comment
  HSC20171  Anemopsis californica C. S. Apperson 1967-6-21 Los Angeles Cienaga Campground, 13 mi. from Castaic. Comment
  RSA5879  Anemopsis californica C. B. Wolf 1932-9-16 4097 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
  RSA599743  Anemopsis californica L. C. Wheeler 1967-11-18 s.n. Los Angeles Ft. Tejon Road; 1/2 mile ESE of 106 St. East. 1005 Comment
  UC303506  Angelica tomentosa I. M. Johnston 1918-9-1 2141 Los Angeles near Brown's Flat (San Antonio Mountains); San Antonio Mountains 1310 Comment
  CAS-BOT-BC64020  Anisocoma acaulis Timothy S. Ross 1994-5-31 7970 Los Angeles Pacifico Mountain, ca 800 m WNW of the 7124-ft summit 2069 Comment
  UCR136837  Anthemis cotula John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  RSA0034298  Antirrhinum coulterianum Orlando Mistretta 1990-7-2 s.n. Los Angeles Bear Flat 1746 Comment
  SEINET12948067  Antirrhinum coulterianum G. B. Grant 1904-1 49 Los Angeles Covina. Comment
  UC444961  Antirrhinum coulterianum Geo. B. Grant 1904-7-1 49 Los Angeles Covina Comment
  RSA425787  Antirrhinum coulterianum Anstruther Davidson 1890-04 s.n. Los Angeles Los Angeles. 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
  UC1293692  Antirrhinum kelloggii P. C. Everett and E. K. Balls 1959-6-2 23847 Los Angeles 1 mi ne entrance to Stokes Canyon; Santa Monica Mts. 182 Comment
  RSA29724  Antirrhinum multiflorum Louis C. Wheeler 1932-5-27 767 Los Angeles Thompson Creek Dam near Claremont 488 Comment
  CATA1190  Antirrhinum nuttallianum subsp. subsessile Mark L. Hoefs 1995-5-30 2191 Los Angeles Santa Catalina Island: Near Ben Weston Road 57 Comment
  RSA151016  Antirrhinum nuttallianum subsp. subsessile Peter H. Raven 1962-3-27 1699 -B Los Angeles Palos Verdes Hills along Palos Verdes Drive 1.4 miles east to Portugese Bend. Comment
  UC557799  Antirrhinum nuttallianum subsp. subsessile Nell Murbarger May 1936 181 Los Angeles mesa summit on w slope San Clemente Island 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
  SBBG130740  Aphanes occidentalis S. A. Junak 2000-4-1 SCa 1157 Los Angeles Cherry Valley, just inland from main rd, along trail 60 Comment
  RSA230183  Apocynum cannabinum R. F. Thorne 1969-7-2 38246 a Los Angeles San Gabriel Mts., Angeles National Forest: East Fork of Alder Creek, Charlton Flat burn (of 1954) 1584 Comment
  RSA586814  Apocynum cannabinum Orlando Mistretta, Steve D. Boyd 1994-6-21 1381 Los Angeles San Gabriel Mountains. Santiago canyon. Drainage [northwest] of Pacifico Mountain. 1676 Comment
  POM366920  Aquilegia formosa V. V. Giles 1936-7-5 235 Los Angeles Fern Dell, Crystal Lake Road 1524 Comment
  RSA0127009  Aquilegia formosa Louis C. Wheeler 1967-7-15 10015 Los Angeles Angeles National Forest. Mt. Waterman. Comment
  RSA0126231  Arabis glabra var. glabra Geo L. Moxley 1915-5-31 336 Los Angeles Santa Anita Canyon, San Gabriel Mountains. 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
  UC2026394  Arabis sparsiflora var. californica Louis C. Wheeler 1968-5-31 s.n. Los Angeles SAN GABRIEL MOUNTAINS: Devil's Canyon, Campground Vicinity. Comment
  UCR281833  Araujia sericifera Mitch Provance, Scott Duff 2017-6-29 617- 76 Los Angeles Catalina Island, Middle Canyon, SCE corridor along Middle Ranch Rd., N of Thompson Dam at McGee Lake. 180 Comment
  OBI30080  Arbutus menziesii Ted L. Hanes 1967-3-2 s.n. Los Angeles Pine Mountain Truck trail, 6 mi SE Rincon, San Gabriel Mts 1067 Comment
  CATA1786  Arctostaphylos catalinae Benjamin E. Carter, John Clark 2012-8-9 6964 Los Angeles Santa Catalina Island: Bulrush Canyon, below Salta Verde turnoff 255 Comment
  UCR149352  Arctostaphylos glandulosa R. G. Swinney 1998-3-14 5906 Los Angeles San Gabriel Mtns., Potato Mountain, NW of Upland 1043 Comment
  RSA626803  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1992-10-15 22104 Los Angeles S-facing slopes at end of Hwy 39, NW of Crystal Lk. 1720 Comment
  POM367281  Arctostaphylos glandulosa subsp. mollis Anstruther Davidson s.n. Los Angeles Hollywood. Comment
  RSA626761  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley 1993-11-15 25172 Los Angeles Shortcut Rd., and Angeles Crest Hwy., San Gabriel Mountains 1200 Comment
  RSA626792  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Allen Massihi 1992-8-20 20184 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  CAS-BOT-BC39307  Arctostaphylos glauca Elmer I. Applegate 1927-2-28 4993 Los Angeles Tejon Pass, northern Los Angeles County. Along Ridge Road. Comment
  RSA617462  Arctostaphylos glauca Scott D. White, Pam De Vries 1998-7-23 6760 Los Angeles Soledad Canyon Area: Proposed quarry area N of Soledad Cyn. Rd., S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Cyn. 549 Comment
  RSA631483  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15974 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA631525  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15659 Los Angeles Angeles Forest Highway, 2 km north of Big Tujunga Canyon turnoff. 1100 Comment
  RSA631533  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15720 Los Angeles Angeles Forest Highway, 11 km north of Big Tujunga Canyon turnoff. 1425 Comment
  RSA631562  Arctostaphylos glauca Jon E. Keeley, Melanie Baer-Keeley 1992-10-11 22005 Los Angeles Road 7N23, 3 km south of N2, north base of Liebre Mountains. 1425 Comment
  RSA631655  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15707 Los Angeles Angeles Forest Highway, 11 km north of Big Tujunga Canyon turnoff. 1425 Comment
  RSA631664  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20202 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA640245  Arctostaphylos glauca R. F. Thorne, R. Carolin, C. Davidson 1967-3-23 41582 Los Angeles San Gabriel Mountains, Angeles National Forest: Grandview Canyon; Mojave Desert slopes north of Mile High Ranch. 1371 Comment
  RSA0087364  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16020 Los Angeles Ridge Route, 23 km south of Liebre Gulch turnoff, Liebre Mountains. 800 Comment
  RSA634354  Arctostaphylos parryana subsp. parryana Jon E. Keeley, Allen Massihi 1992-8-21 20626 Los Angeles Angeles Crest Highway, 1.7 km north of Sulphur Springs Road, San Gabriel Mountains. 1890 Comment
  RSA634359  Arctostaphylos parryana subsp. parryana Jon E. Keeley, Allen Massihi 1992-8-21 20625 Los Angeles Angeles Crest Highway, 1.7 km north of Sulphur Springs Road, San Gabriel Mountains. 1890 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
  RSA634874  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20222 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA634879  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20438 Los Angeles Road to Sulphur Springs Campground, 0.2 km north of dirt road to Pacifico Mtn., north of Chilao, San Gabriel Mtns. 1650 Comment
  RSA635183  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20473 Los Angeles N of Angeles Crest Hwy, on road to Sulphur Springs, N of Chilao., San Gabriel Mtns. 1200 Comment
  RSA86724  Aristida ternipes var. hamulosa F. W. Peirson 1919-11-17 1590 Los Angeles in dense tufts, trail to Mt. Lowe, west of Eaton Canyon 609 Comment
  CHSC20918  Artemisia californica Robert A. Schlising 1971-10-19 3002 Los Angeles Lopez Canyon, north of Pacoima. Comment
  LA200156  Artemisia californica Michael Neuman; November 1983 10 Los Angeles Santa Monica Mountains, Hollyhock Canyon, tributary to Mandeville Canyon Comment
  SD41460  Artemisia californica Edith A. Purer 1931-12-1 2389 Los Angeles El Segundo, west of road Comment
  UCR132943  Artemisia douglasiana Michael D. Wilcox 2003-8-30 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory 381 Comment
  RSA417280  Artemisia douglasiana B. C. Templeton 1965-8-29 s.n. Los Angeles In Small canyon, near San Diego freeway. Comment
  UC586948  Artemisia dracunculus Joseph Andorfer Ewan 1934-8-3 8365 Los Angeles near county line; San Gabriel Mts., Swartout Valley 1981 Comment
  UCR246490  Artemisia dracunculus Dan S. Cooper 2011-6-6 611- 82 Los Angeles Western San Gabriel Mountains, Portal Ridge, east of Three Points, off Pine Canyon Rd. 1332 Comment
  CAS-BOT-BC93861  Artemisia dracunculus Gaines 1939-8-1 s.n. Los Angeles Low ground at mouth of canyon near U.C.L.A. campus, Westwood, Los Angeles. Comment
  POM19001  Artemisia ludoviciana subsp. incompta Philip A. Munz 1923-9-1 7711 Los Angeles Swartout Valley, San Gabriel Mts. Narrow north-facing canyon at old sawmill. 2042 Comment
  RSA180087  Artemisia nesiotica Peter H. Raven 1962-4-10 17190 A Los Angeles Above Wilson Cove. San Clemente Island. 107 Comment
  SD48941  Artemisia nesiotica Reid Moran 1958-9-15 6833 Los Angeles San Clemente Island; Canyon 1.8 miles southeast of Eel Point. 99 Comment
  CAS-BOT-BC97337  Artemisia tridentata subsp. tridentata Louis C. Wheeler 1956-9-16 7239 Los Angeles San Gabriel Mountains: Guffy Camp, Blue Ridge Comment
  RSA0104765  Asclepias californica A. C. Sanders, Mark Elvin 2003-4-16 26046 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park. 366 Comment
  UCR126631  Asclepias californica A. C. Sanders, Mark A. Elvin, and others 2003-4-16 26046 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park 396 Comment
  OBI20506  Asclepias californica Wesley O. Griesel 1959-4-16 s.n. Los Angeles Santa Monica Mts, Seminole Hot Springs 305 Comment
  UCD121230  Asclepias californica Louis C. Wheeler 1946-8-24 6244 Los Angeles San Gabriel Mountains: Wawona Lodge (site) adjacent to Crystal Lake. 1699 Comment
  RSA725785  Asclepias fascicularis A. C. Sanders, Mark Elvin 2002-6-18 25118 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park. 366 Comment
  UCR127404  Asclepias fascicularis A. C. Sanders, M. S. Enright 2002-8-8 25571 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, lower slopes on the south side of Potrero Canyon, below the dirt road to bench mark 1804 457 Comment
  RSA616141  Asclepias vestita L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 Comment
  LA202460  Asparagus asparagoides Arthur C. Gibson; 2006-2-15 5118 Los Angeles SANTA MONICA MOUNTAINS, Franklin Canyon, along road above main parking lot above lower reservoir. Comment
  SEINET3153586  Aspidotis californica G. B. Grant 1901-1-1 248 Los Angeles Santa Monica Range Comment
  UCR219407  Aspidotis californica R. G. Swinney 2009-4-1 10238 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Canyon, Monrovia Mountain Park 415 Comment
  SEINET5338516  Aspidotis californica G. B. Grant 1901-1 248 Los Angeles Santa Monica Range, S. Cal. Comment
  POM4789  Aster greatae I. M. Johnston 1917-7-4 1427 Los Angeles Camp Baldy, San Antonio Canyon 1280 Comment
  RSA5896  Aster subulatus var. ligulatus C. B. Wolf 1932-9-16 4118 Los Angeles Bryant Ranch: west side of San Gabriel River Flood Control, S of 7th Street (Long Beach) 3 Comment
  CAS-BOT-BC182304  Astragalus didymocarpus var. didymocarpus Geo. B. Grant 1903-3-1 78 Los Angeles Garvanza Comment
  SBBG68199  Astragalus douglasii E. Rockwell -Jun-1926 569 Los Angeles near Sandberg's, Route (US Hwy 99) 1066 Comment
  RSA634218  Astragalus douglasii var. douglasii R. F. Thorne 1969-7-9 38569 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Pines. 2073 Comment
  RSA415510  Astragalus gambelianus M. B. Dunkle 1930-3-30 2152 Los Angeles Santa Catalina Island, Moonstone Beach. Comment
  RSA680191  Astragalus lentiginosus var. antonius Valerie L. Soza, Naomi Fraga 2003-6-13 1666 Los Angeles Blue Ridge just west of Guffy Camp, on ridgetop and slopes above FS Road 3N06. 2530 Comment
  SFV6462  Astragalus lentiginosus var. variabilis T. Gordon, W. C. Willig, K. A. Wilson 1974-4-28 215 Los Angeles Mojave Desert Lancaster Blvd. 5 miles south of Rosamond. 710 Comment
  RSA659826  Astragalus nevinii Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-4 121 Los Angeles San Clemente Island. Comment
  UCR222760  Astragalus pachypus R. G. Swinney 2009-5-12 10755 Los Angeles Transverse Range; San Gabriel Mtns., lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg. ) of Littlerock 1088 Comment
  LA200432  Astragalus trichopodus var. lonchus M. Baldwin; Harvey Anderson, L. Ellison 1930-3-7 sn Los Angeles Comment
  OBI4450  Astragalus trichopodus var. lonchus Robert J. Rodin 1953-5-2 5813 Los Angeles Near White's Cove, Catalina Island Comment
  POM1739  Astragalus trichopodus var. lonchus D. L. Crawford, Otis Hiatt 1916-3-29 572 Los Angeles Santa Monica Mountains. Comment
  RSA415702  Astragalus trichopodus var. phoxus Robert Gustafson 1978-5-2 931 Los Angeles Extreme southeastern end of Hungry Valley, ca 1/4 mile west of Hwy. 5, 7 miles south of Gorman on Hwy. 5. 945 Comment
  CAS-BOT-BC17508  Athysanus pusillus Timothy S. Ross; Darin Banks 1994-4-12 7469 Los Angeles Liebre Mountains. San Francisquito Canyon. 542 Comment
  LA51507  Athysanus pusillus O. H. Kappler; 1944-3-26 553 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA591764  Atriplex argentea subsp. expansa J. C. Roos 1947-7-21 s.n. Los Angeles Lancaster. Comment
  SBBG13507  Atriplex argentea var. expansa P. H. Raven 1962-5-8 17619 Los Angeles near summit of ridge above Wilson Cove 121 Comment
  RSA188193  Atriplex californica R. F. Thorne, P. Everett 1965-6-23 34398 Los Angeles Santa Catalina Island. Ben Weston Beach, W side of island. On rocky bluff on south side of beach. Comment
  UCR196171  Atriplex californica R. F. Thorne 1973-1 44726 Los Angeles Channel Islands, Santa Catalina Island, [NE of Two Harbors] Blue Cavern Point 50 Comment
  UCR125135  Atriplex canescens A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25547 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, NE of old ranch headquarters 366 Comment
  CAS-BOT-BC168280  Atriplex canescens var. canescens W. R. Dudley; F. H. Lamb 1896-6-4 4322 Los Angeles Lancaster Comment
  RSA544565  Atriplex coulteri T. S. Ross, Elizabeth Kellogg 1992-4-13 6143 Los Angeles San Clemente Island: NW part of the island. Coastal terrace in the vicinity of Darter. (340 NNW, 1140m distant from 199'BM near Flasher; ca 250m NNW of the shifting sands.) 18 Comment
  CAS-BOT-BC180945  Atriplex nummularia Carl B. Wolf 1931-12-30 2634 Los Angeles Playa del Rey 30 Comment
  RSA478293  Atriplex orbicularis Anstruther Davidson 1896-10 2943 Los Angeles San Pedro. Comment
  SBBG131537  Atriplex prostrata S. A. Junak 1999-7-16 SCa 1057 Los Angeles just inland from mouth of Cottonwood Cyn, N side of creekbed 6 Comment
  UC557708  Atriplex semibaccata Nell Murbarger May, 1936 211 Los Angeles San Clemente Island San Clemente Island (over entire island) Comment
  RSA478386  Atriplex serenana Anstruther Davidson 1920-08 3391 Los Angeles Los Angeles. Comment
  SBBG105  Atriplex serenana var. serenana R. Hoffmann 1927-7-16 Los Angeles Chandler's Comment
  CAS-BOT-BC146032  Avena barbata Louis C. Wheeler 1934-4-2 2499 Los Angeles Puddingstone Dam, San Jose Hills. 304 Comment
  RSA0060784  Avena barbata LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6806 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA582050  Avena barbata L. C. Wheeler 1934-4-15 2516 Los Angeles San Gabriel Mountains: Liveoak Canyon. 488 Comment
  RSA709378  Azolla filiculoides A. C. Sanders 2003-8-6 27137 Los Angeles Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters 320 Comment
  CATA330  Baccharis glutinosa Mark L. Hoefs 1973-7-13 368 Los Angeles Santa Catalina Island: Ben Weston Beach 15 Comment
  UC63382  Baccharis glutinosa Ernest Braunton 1901-8-1 133 Los Angeles Cienega Swamp Comment
  UC1483355  Baccharis glutinosa Robert F. Thorne, D. Propst, and H. Hoefs 1974-9-12 45102 Los Angeles in lower in of and near bridge over stream Cottonwood Canyon (Santa Catalina Island); , Cottonwood Canyon 30 Comment
  CAS-BOT-BC99409  Baccharis pilularis Peter H. Raven 1959-10-25 14704 Los Angeles Mulholland Highway 1.6 miles west of junction with Decker Road 304 Comment
  UCR197187  Baccharis pilularis Valerie Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 678 Los Angeles Transverse Ranges; Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy, at La Tuna Canyon Road. Southsouthwest of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 518 Comment
  CAS-BOT-BC106759  Baccharis salicifolia Elmer I. Applegate 1931-11-2 6828 Los Angeles San Fernando Valley Comment
  RSA527718  Baccharis salicifolia Timothy S. Ross, A. R. Ross 1991-3-7 4157 Los Angeles Elephant hill: western Pomona; mesic draw near the SW base of the hill 235 Comment
  UCR240006  Bidens frondosa R. G. Swinney 2009-11-9 11587 A Los Angeles Transverse Range; San Gabriel Mountains, confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  UC134529  Bidens pilosa C. F. Baker 1903-10-1 3729 Los Angeles Claremont Comment
  UCD129562  Bidens pilosa A. M. Johnson 1934-10-3 4536 Los Angeles along Selby Avenue, between Le Conte and Wilshire Blvd., West Los Angeles. Comment
  CAS-BOT-BC100265  Blennosperma nanum var. nanum A. J. McClatchie 1897-3-25 s.n. Los Angeles Near Gardena Comment
  UCR192923  Bloomeria crocea Dan S. Cooper 2008-5-4 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, Western Canyon Road beyond end of Green Oak Dr., Los Angeles 260 Comment
  RSA701181  Bloomeria crocea Walter Wisura 2003-6-30 5170 Los Angeles Evey Canyon. Comment
  SEINET8193929  Bloomeria crocea G. B. Grant 1904-1 114 Los Angeles Pasadena. Comment
  RSA190922  Bloomeria crocea var. crocea Robert F. Thorne 1967-5-19 36893 Los Angeles Santa Catalina Island. Lower Middle Ranch Canyon below Eagles Nest 91 Comment
  CAS-BOT-BC482057  Bloomeria crocea var. crocea Cecil Hart 1930-5-20 s.n. Los Angeles Montebello Comment
  CHSC95760  Boechera arcuata LeRoy Gross; Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 932 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1)). Near the saddle between Mt. Markham and Mt. Lowe. 1631 Comment
  UC402650  Boechera arcuata unknown 1904-4-4 53 a5633 Los Angeles Garvanza Comment
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Jan 11 2015
  RSA549197  Boechera californica Timothy S. Ross, Peter Fritsch 1990-6-20 3680 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon. 1256 Comment
  RSA0129211  Boechera pulchra LeRoy Gross 2005-5-3 2235 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  RSA640163  Boschniakia strobilacea Louis C. Wheeler 1951-4-7 8547 Los Angeles San Gabriel Mountains: West slope of Mt. Disappointment. 1524 Comment
  SEINET13203220 Image available Bothriochloa barbinodis R. G. Swinney 2011-1 14173 Los Angeles San Gabriel Mts.:Glendors foothills, along Marshall Trail between Mull Canyon and Morgan Ranch Rd./Morgan Cyn., in dedicated open space (Glendora 7.5' Q.) (T1N R9W S28) 366 Comment
  CAS-BOT-BC95429  Bowlesia incana Le Roy Abrams 1899-3-31 307 Los Angeles Santa Monica Mtns., Sepulveda Canyon Comment
  UCR200129  Bowlesia incana Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 778 Los Angeles Verdugo Mountains, south side, Stough Canyon, Stough Park, above parking lot southwest of intersection of Walnut Avenue and Lockheed View Drive, west of De Bell Municipal Golf Course, southeast of Starlight Theater 366 Comment
  CAS-BOT-BC420339  Boykinia rotundifolia Peter H. Raven 1961-10-1 16779 Los Angeles San Gabriel Mountains, upper Evey Canyon 914 Comment
  RSA733578  Boykinia rotundifolia R. G. Swinney 1998-7-29 6550 Los Angeles San Gabriel Mtns.: c. 100 m downstream from upper Fish Fork Campground. 1817 Comment
  CAS-BOT-BC145698  Brachypodium distachyon David B. Weissman 1971-6-16 81 Los Angeles Santa Catalina Island. Big Springs Reservoir. 289 Comment
  RSA0042794  Brassica arvensis L. Haines 1949-7-22 s.n. Los Angeles Canoga Park. Comment
  UCR281595  Brassica geniculata R. G. Swinney 2014-6-5 16699 Los Angeles San Gabriel Mountains, Glendora, ridgetop due north of Grand Ave., 0.32 mile south of Glendora Ridge Motorway 561 Comment
  RSA0036832  Brassica geniculata Phil Elliott 1981-3-8 29 Los Angeles Diamond Bar, 1/2 mile west of Diamond Bar Blvd., 1/2 miles south of Grand Ave. Comment
  RSA599969  Brassica rapa L. C. Wheeler 1968-3-21 s.n. Los Angeles Glendora Ridge Truck Trail; T1N R10W S24, SW/4, NE/4 610 Comment
  POM241535  Brassica rapa Joseph A. Ewan 1932-2-20 7020 Los Angeles Below Stone Canyon, at campus University of California. Comment
  CAS-BOT-BC100426  Brickellia californica Timothy S. Ross; Steve Boyd 1994-9-20 8262 Los Angeles Lower Spunky Canyon: this stretch draining SSE, exiting into Bouquet Reservoir. Green Valley 7.5' USGS Quadrangle 934 Comment
  SBBG12905  Brickellia californica E. R. Blakley 1962-10-5 5451 Los Angeles above stream, Cottonwood Cyn, 0.25 mi upstream from ocean 30 Comment
  SBBG7818  Brickellia californica R. Hoffmann 1927-9-21 Los Angeles Forest Inn, Ridge Route (US Hwy 99) Comment
  RSA636095  Brickellia nevinii L. C. Wheeler 1953-9-12 7051 Los Angeles San Gabriel Mountains: South fork Big Rock Creek, near mouth. Comment
  UCR147848  Brickellia nevinii L. C. Wheeler 1953-9-12 7051 Los Angeles San Gabriel Mountains, South fork Big Rock Creek, near mouth Comment
  UCR162574  Brickellia nevinii Anuja Parikh, Nathan Gale 2004-7-1 2074 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 15), south of the river near Potrero Canyon 366 Comment
  UCR20415  Briza minor Edwin Kline 1920-6-1 s.n. Los Angeles Los Angeles 152 Comment
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Mar 8 2011
  CAS-BOT-BC483123  Brodiaea jolonensis A. Davidson 1921-5-1 3418 Los Angeles Foothills north of Glendora Comment
  UCR193708  Bromus R. G. Swinney, Dave Larson 1999-6-25 7407 Los Angeles San Gabriel Mtns., Fern Canyon at falls, c. 1.7 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  CAS-BOT-BC149344  Bromus arizonicus Peter H. Raven 1959-4-19 14012 Los Angeles Santa Monica Mountains. Edge of beach, along coast 0.8 mile east of Ventura county line. 7 Comment
  RSA717959  Bromus arvensis R. G. Swinney, Dave Larson 1996-8-7 5247 Los Angeles Eastern San Gabriel Mountains: San Dimas Experimental Forest, head of Dry Lake Canyon at 'Dry Lake,' site of CCC camp in 1930s 1524 Comment
  POM286982  Bromus carinatus Lyman Benson 1939-4-14 9338 Los Angeles Hermosa Beach. 15 Comment
  UCR220343  Bromus carinatus D. E. Bramlet, Mike Ahmer 2005-4-14 3793 Los Angeles Los Angeles Basin Region, Puente Hills in La Habra Heights, main drainage of Powder Canyon, c. 547 ft. east of Skyline Drive and 1460 ft. north of Fullerton Rd. 249 Comment
  SEINET10468954  Bromus carinatus var. californicus David B. Dunn 1941-2-21 Dunn 677 Los Angeles Westwood blvd 1 block s of santa monica. West los angeles. Comment
  RSA533456  Bromus diandrus Timothy S. Ross 1991-4-21 4546 Los Angeles Whittier Hills (Puente Hills, pro parte): Ridge on N side of Turnbull Canyon 305 Comment
  RSA0116280  Bromus hordeaceus R. G. Swinney 2010-6-1 13162 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
  UCR277392  Bromus hordeaceus R. G. Swinney 2010-6-1 13162 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
  RSA92045  Bromus hordeaceus F. W. Peirson 1918-5-5 1555 Los Angeles Brents on the Malibu, Santa Monica Mountains. Comment
  RSA0019955  Bromus tectorum L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains 1159 Comment
  SEINET13387006 Image available Bromus tectorum R. G. Swinney 2011-1 15225 Los Angeles San Gabriel Mountains: Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail (Crystal Lake 7.5' Q.) (T3N R9W) 1567 Comment
  UCR16143  Cakile maritima N. J. Moriarty 1973-5-20 730520- 01 Los Angeles Coastal Plains & Basins; Los Angeles Basin region, Long Beach, between 54th and 55th Place on Ocean Blvd. 2 Comment
  RSA65435  Calandrinia breweri F. W. Peirson 1919-5-27 357 Los Angeles Hills west of lower Arroyo Seco, Pasadena 426 Comment
  UCR200124  Calandrinia breweri Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 770 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 Motorway 518 Comment
  RSA466533  Calandrinia ciliata M. B. Dunkle 1929-4-21 2138 Los Angeles Santa Catalina Island: Rock Spring Canyon. Comment
  RSA603897  Calandrinia ciliata L. C. Wheeler 1975-5-14 s.n. Los Angeles San Gabriel Mountains: Head of East Fork Little Tujunga. Comment
  SBBG18690  Calandrinia menziesii E. R. Blakley 1963-4-8 5552 Los Angeles ridge S of Avalon Valley above Avalon Terrace 182 Comment
  UCR16013  Calocedrus decurrens Steve Stadler 1966-4-17 41766- 58 Los Angeles San Gabriel Mountains, 1 mi west of Big Pines Junction on Big Pines to Palmdale 1982 Comment
  CAS-BOT-BC492129  Calochortus albus Henry J. Thompson 1959-4-19 1936 Los Angeles Mulholland Hwy. 1 mile W of Loas Virgenes Road, Malibu Creek drainage; Santa Monica Mountains 274 Comment
  RSA37242  Calochortus albus N. C. Cooper 1948-5-1 2227 Los Angeles Tapia Park area, Santa Monica Mountains. 610 Comment
  POM123269  Calochortus catalinae H. E. Hasse 1890-05 s.n. Los Angeles Foothills, Sierra Santa Monica. Comment
  RSA377282  Calochortus catalinae F. R. Fosberg 1931-4-16 S 4649 Los Angeles Bulrush Ridge, Santa Catalina Island. 200 Comment
  SEINET12053878  Calochortus catalinae Unknown 1933-1 8476 Los Angeles near Los Angeles Comment
  CAS-BOT-BC132337  Calochortus clavatus Timothy S. Ross; J. Mark Porter 1995-5-4 8415 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road 585 Comment
  CAS-BOT-BC132347  Calochortus clavatus Carl Epling; Louis Wheeler 1933-6-4 1854 Los Angeles Near Summit, Ridge Route 1524 Comment
  SEINET1004568  Calochortus clavatus A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-1 26132 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills , east of and above Lake Hughes Rd., near Castaic Lake dam. 488 Comment
  UCR126693  Calochortus clavatus A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26132 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam 518 Comment
  UC1537207  Calochortus kennedyi Gordon H. True Jr. 1935-5-16 296 Los Angeles 4 mi s Palmdale; Head of Mint Canyon 914 Comment
  UCR223011  Calochortus kennedyi R. G. Swinney 2009-5-5 10628 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  SBBG122077  Calochortus plummerae A. Parikh, N. Gale 2003-6-16 1750 Los Angeles 2 km E of jct of Bouquet Cyn Rd and Newhall Ranch Rd, N of Santa Clara River 390 Comment
  POM158277  Calochortus splendens M. B. Dunkle 1928-5-12 1922 Los Angeles Santa Catalina Island: Empire Landing 61 Comment
  POM1696  Calochortus splendens Otis Hiatt 1916-6-3 s.n. Los Angeles Topanga Canyon. Santa Monica Mountains. Comment
  CAS-BOT-BC493414  Calochortus splendens Bell Richardson Jackson 1941-6-1 s.n. Los Angeles San Gabriel Wash, N.E. of Claremont Comment
  RSA377441  Calochortus splendens Anstruther Davidson 1890-5-17 s.n. Los Angeles Glendale. Comment
  UCR232364  Calochortus striatus Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-18 7989 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, c. 120 m west of Sierra Hwy and 140 m north of Avenue B, just north of a rectangular pond 703 Comment
  RSA563510  Calochortus weedii var. intermedius Timothy S. Ross, Annette H. Ross 1991-6-3 5525 -A Los Angeles Elephant Hill: northernmost point of the Puente Hills complex. 296 Comment
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May 29 2015
  SBBG66301  Calycoseris parryi R. Hoffmann 1932-4-26 Los Angeles Harold Comment
  RSA0095244  Calyptridium monandrum R. G. Swinney 2011-6-7 15025 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
  UCR276760  Calyptridium monandrum R. G. Swinney 2011-5-16 14750 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 1.18 mi. at 73 deg. SE of Colby Ranch Rd. & FS Rd. 3N19 in Big Tujunga Cyn., c. 450 m ENE of lodge in center of camp 1375 Comment
  UCR280767  Calystegia macrostegia subsp. arida R. G. Swinney 2014-5-19 16565 Los Angeles San Gabriel Mountains, Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Motorway 515 Comment
  LA33940  Calystegia macrostegia subsp. cyclostegia Peter H. Raven; 1959-2-23 13794 Los Angeles Santa Monica Mountains, Potrero Valley, 1.9 mi. from N Potrero Road, on Potrero Road to Hidden Valley 274 Comment
  OBI35684  Calystegia macrostegia subsp. cyclostegia Rebecca Cicoria 1982-4-25 40 Los Angeles Palos Verdes Peninsula: Lower Sepulveda Canyon, along Sis' Trl, rolling hills Comment
  RSA650297  Calystegia macrostegia subsp. cyclostegia Rudolf Schmid 1962-4-27 s.n. Los Angeles Near San Dimas Avenue overpass, San Bernardino Freeway, Pomona. Comment
  CATA452  Calystegia macrostegia subsp. intermedia Sara L. Crockett 1997-3-18 592 Los Angeles Santa Catalina Island: Upper Cape Canyon; ridge S of and overlooking road, 1.0 mile NE along Cape Canyon Road from jct. with Middle Ranch Road 326 Comment
  LA105389  Calystegia macrostegia subsp. intermedia Barry A. Prigge; 8523 Los Angeles between Falls Creek and Devil Canyon: ca 1 air mi NE of junction of Simi Valley Frwy and Topanga Canyon blvd 502 Comment
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Nov 11 2014
  LA50066  Calystegia macrostegia subsp. intermedia LeRoy Abrams; 1963-3-8 3106 Los Angeles near Inglewood Comment
  POM66004  Calystegia macrostegia subsp. intermedia L. R. Abrams 1903-3-8 3106 Los Angeles Hills near Inglewood Comment
  SD107808  Calystegia macrostegia subsp. macrostegia Larry DeBuhr, Gary Wallace 1972-9-2 694 Los Angeles San Clemente Island; below barracks area in small canyon at Wilson Cove. Comment
  RSA735590  Calystegia peirsonii A. Edwards, A. Rudalevige 2008-4-29 124 Los Angeles Transverse Ranges, Santa Susana mtns region, At the Los Angeles County Fire Dept's Del Valle Training Facility. Near center of 24 acre site. 354 Comment
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Aug 11 2014
  UCR238466  Calystegia peirsonii Orlando Mistretta, Christine Mistretta 2008-5-3 2625 Los Angeles Transverse Ranges; Liebre Mountains, Southern California Edison transmission line tower (Segment 5, structure 16 per TRTP Survey 2008), in the Antelope Valley, west of 70th Street west and north of the California Aqueduct 880 Comment
  UC126774  Calystegia sepium subsp. binghamiae Pupils of Los Angeles High School 1904-5 Los Angeles Near Los Angeles. Comment
  RSA749843  Camissonia D. Bramlet 2008-3-26 4122 Los Angeles Bee Canyon. Bowerman landfill site. 202 m S of the Bee Cyn. access road, 151 m W of the landfill entrance. Comment
  UCR240980  Camissonia Dan S. Cooper 2010-4-6 20100406- 35 A Los Angeles South Coast, Ballona Wetlands, open space parcel on west side of channelized Ballona Creek, north of Culver Blvd. and east of Lincoln Blvd., S of CA 90/Marina Fwy 5 Comment
  RSA449006  Camissonia bistorta R. S. Woglum 1930-5-17 s.n. Los Angeles Pasadena. Comment
  SEINET4680883  Camissonia bistorta A. C. Sanders, Helen Kennedy 2005-4-13 29490 Los Angeles Western San Gabriel/Liebre Mountains. Region: Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyon.; 0 457 Comment
  RSA226940  Camissonia bistorta Robert F. Thorne, C. W. Tilforth 1971-6-17 39965 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  RSA465662  Camissonia bistorta E. A. Purer, F. Detmers 1931-3-12 s.n. Los Angeles El Segundo. Comment
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Nov 21 2019
  UCR232369  Camissonia boothii subsp. desertorum Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-19 8014 Los Angeles Mojave Desert, Antelope Valley, N of Lancaster, E of Amargosa Creek, E side of Sierra Highway, 630 m N of Ave F and one km S of Ave E 702 Comment
  RSA225715  Camissonia californica Robert F. Thorne, A. C. Gibson 1971-5-22 39705 Los Angeles San Gabriel Mountains: Near mouth of Fish Canyon. 244 Comment
  RSA249780  Camissonia campestris subsp. campestris Robert F. Thorne 1973-5-11 43492 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
  SBBG16004  Camissonia campestris subsp. campestris W. G. Webb 1935-4-19 Los Angeles near Castaic 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
  UCR41723  Camissonia cheiranthifolia G. R. Ballmer, G. F. Pratt 1986-3-25 s.n. Los Angeles Southern Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 Comment
  RSA679931  Camissonia hirtella LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 942 Los Angeles Pacifico Mountain Road (3N17) ca. 1.3 miles NW along road from Alder Saddle to Pacifico Mountain and 2 miles SE from Mt. Pacifico Campgroud turnoff. 1784 Comment
  RSA125227  Camissonia micrantha P. A. Munz 1957-5-28 22057 Los Angeles At south entrance of Botanic Garden. Coastal Sage Plant Community. Claremont. Comment
  RSA188912  Camissonia micrantha Robert F. Thorne 1966-6-1 36501 Los Angeles Santa Catalina Island: Muddy margin of reservoir at upper end of Cape Canyon 335 Comment
  RSA449228  Camissonia pallida subsp. pallida John S. Garth 1948-4-21 C 2703 Los Angeles Littlerock 762 Comment
  SEINET7040193  Camissonia palmeri A. G. Vestal 1962-3-30 s.n. Los Angeles Yacca stand, Antelope Valley, south of Willow Springs. Little Buttes Quadrangle UTM Zone 11, 377584mE, 3848202mN. Comment
  RSA0062842  Camissonia strigulosa LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6765 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  UCR213237  Camissonia strigulosa Dan S. Cooper 2010-3-29 20100329- 15 Los Angeles South Coast, old 'Red Car' right-of-way (railroad bed) north of old town Torrance, near intersection of Sartori Ave. and Dominguez St. 23 Comment
  POM3234  Camissonia strigulosa D. L. Crawford 1915-6-6 s.n. Los Angeles Claremont. Comment
  SD82804  Camissoniopsis bistorta R. S. Woglum 1930-5-17 Los Angeles Pasadena Comment
  CAS-BOT-BC160430  Camissoniopsis cheiranthifolia subsp. suffruticosa LeRoy Abrams 1902-6-8 2495 Los Angeles Playa del Rey Comment
  UCSB45374  Camissoniopsis cheiranthifolia subsp. suffruticosa Connor, Mike 1977-6-4 Los Angeles Waterview St., Playa del Rey 30 Comment
  SDSU3368  Camissoniopsis hirtella H. Wedberg 1958-6-28 308 Los Angeles On New Topanga Highway, 2.9 miles east of junction with Old Topanga road. Comment
  UC874078  Camissoniopsis intermedia Ira W. Clokey, B. Templeton Apr. 1929 4458 Los Angeles Mandeville Canyon Santa Monica Mountains 350 Comment
  CATA1440  Capsella bursa-pastoris Mark L. Hoefs, Robert F. Thorne 1996-4-6 2603 Los Angeles Santa Catalina Island: Pebbly Beach 6 Comment
  SBBG53239  Cardamine californica S. A. Junak 1978-4-16 SCa 44 Los Angeles small cyn W of Fourth of July Cove Comment
  CAS-BOT-BC37461  Cardamine californica Henry J. Thompson 1959-3-22 1871 Los Angeles Santa Monica Mountains. One mile west of Triunfo Canyon 3 miles west of Malibu Lake, Lobo Canyon. 274 Comment
  POM78666  Cardaria draba Barry L. Jones 1924-4-15 s.n. Los Angeles [Unspecified] Comment
  RSA0112840  Carduus pycnocephalus Steven A. Junak 1999-5-20 SCa- 958 Los Angeles Santa Catalina Island. Along Cottonwood-Black Jack Road, plant stop. 341 Comment
  RSA603207  Carex alma L. C. Wheeler 1954-9-1 7084 Los Angeles San Gabriel Mountains: Little Rock Creek, ca. 1 mile downstream from Cooper Creek. Comment
  RSA191584  Carex alma Robert F. Thorne 1966-8-29 36587 Los Angeles San Gabriel Mts, Angeles National Forest: Big Pines Recreation Area, dry slope above E end of Jackson Lake, on road from Big Pines to Valyermo. 1890 Comment
  SEINET7549338 Image available Carex alma Louis C. Wheeler 1967-7-30 10266 Los Angeles San Gabriel Mountains. All Trail Canyon, BM 3434 near Tom Lucas campground. 1006 Comment
  UCR192855  Carex aurea R. G. Swinney 1998-7-14 6421 Los Angeles San Gabriel Mtns., Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine 2195 Comment
  UCR210117  Carex fracta R. G. Swinney 2008-7-24 9337 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
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May 10 2012
  CAS-BOT-BC20862  Carex globosa Louis C. Wheeler 1932-7-2 897 Los Angeles San Gabriel Mountains.Browns Flat-Fern Canyon water trail. 1219 Comment
  SD230105  Carex hassei Louis C. Wheeler 1970-9-10 Los Angeles San Gabriel Mountains: South Fork Alder Gulch. 1676 Comment
  CAS-BOT-BC118977  Carex pellita Ysabel Fetterman 1974-5-1 s.n. Los Angeles Arroyo Sero, Pasadena. Comment
  SEINET7571004 Image available Carex pellita Louis C. Wheeler 1973-7-15 s.n. Los Angeles San Gabriel Mountains, Graveyard Cayon, second side canyon. Comment
  RSA604684  Carex praegracilis L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: ca. 200 yards E of foot of Holiday Hill Ski Lift. Comment
  CHSC106445  Carex spissa P. F. Zika; Nick Otting 2010-8-7 25306 Los Angeles South Coast (SCo). Base of San Gabriel Canyon, E side of Route 39, steep sunny seep, base of steep loose slope. 250 Comment
  UC212824  Carex spissa G. B. Grant 1904-5-5 6190 Los Angeles Arroyo Seco, Pasadena Comment
  CAS-BOT-BC116602  Carex subfusca John Thomas Howell 1947-7-18 23431 Los Angeles Big Pines, San Gabriel Mts. 2103 Comment
  CAS-BOT-BC115635  Carex triquetra George Bernard Grant 1901-8-1 139 Los Angeles Aroyo Seco Canyon. 609 Comment
  CAS-BOT-BC115645  Carex triquetra Timothy S. Ross 1993-4-22 6908 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft), 289 Comment
  UCR92585  Carex triquetra F. M. Reed 1925-6-12 5242 Los Angeles San Gabriel Mtns/San Fernando Valley region, Sierra Madre Mountains, wash near La Canada. 701 Comment
  RSA536055  Carex tumulicola Timothy S. Ross 1991-5-21 5390 Los Angeles San Clemente Island: upper easterly branch of Box Canyon. 463 Comment
  CHSC1716  Castilleja affinis E. Thomas 1940-2-24 Los Angeles Wash land near Padua Hills. Comment
  RSA425915  Castilleja affinis T. W. Minthorn 1923-4-3 s.n. Los Angeles Pacoima Wash. Comment
  SBBG17964  Castilleja affinis E. R. Blakley 1963-4-7 5523 Los Angeles Middle Ranch Cyn, ca. 2.5 mi above Middle Ranch 274 Comment
  LA52004  Castilleja affinis Carl Epling; Lincoln Ellison 1930-3-28 s.n. Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon Comment
  SEINET4095423  Castilleja affinis R. Moran 1941-1 609 Los Angeles North of Wilson's Harbor, Santa Catalina Island. 50 Comment
  UCR223147  Castilleja applegatei R. G. Swinney 2009-7-22 11329 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  LA52018  Castilleja foliolosa Harlan Lewis; 1940-2-4 1059 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak 609 Comment
  RSA603527  Castilleja foliolosa Sara L. Crockett 1997-4-2 642 Los Angeles Santa Catalina Island, third N/S trending ridge on n side of Skull canyon, 0.65 mile up Skull canyon from jct. with Middle Canyon road, 0.25 mile up ridge. 308 Comment
  UCR149311  Castilleja foliolosa R. G. Swinney 1998-4-4 5911 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
  SD84898  Castilleja foliolosa Reid Moran 1941-3-9 689 Los Angeles south-facing hillside, Middle Ranch, Santa Catalina Island 249 Comment
  RSA660877  Castilleja grisea Orlando Mistretta 1992-4-5 140 Los Angeles Guds, San Clemente Island. Comment
  UCR143201  Castilleja hololeuca Reid Moran 1941-3-9 689 Los Angeles Channel Islands, Middle Ranch, Santa Catalina Island 250 Comment
  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
  UCR150857  Castilleja miniata R. G. Swinney 1999-8-16 7665 Los Angeles San Gabriel Mtns., Wrightwood area, Flume Canyon, spring c. 200 m north of Guffy Campground 2445 Comment
  RSA729569  Castilleja miniata subsp. miniata R. G. Swinney 1998-7-21 6479 Los Angeles Upper Fish Fork drainage, south-facing slope of Pine Mountain Ridge, 2.1 mi. SW of Fish Fork Trail and Pine Mt. Ridge. 2085 Comment
  RSA600424  Castilleja minor subsp. spiralis Steve D. Boyd, Lauren Raz 1997-4-30 9617 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
  SBBG125461  Castilleja minor subsp. spiralis A. Parikh, N. Gale 2010-6-18 3329 Los Angeles upper Big Tujunga Cyn, 1.2 km N of St Hwy 2, 0.3 km W of upper Big Tujunga Cyn Rd, San Gabriel Mtns 1225 Comment
  UCR139374  Castilleja minor subsp. spiralis I. M. Johnston 1917-5-13 983 Los Angeles San Gabriel Valley, El Monte 91 Comment
  UCR209137  Castilleja minor var. stenantha R. G. Swinney 2008-6-24 9095 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  SBBG118586  Castilleja plagiotoma L. Gross, O. Mistretta, V. Soza 2003-5-13 848 Los Angeles Big Rock Crk, N and E of Valyermo Ranger Stn, off Big Pines Hwy; T4N R9W S8 1143 Comment
  UC26497  Castilleja plagiotoma Dr. A. Davidson 1895-1 Los Angeles Lancaster Comment
  SD197723  Caulanthus amplexicaulis R. G. Swinney 2008-5-5 8756 Los Angeles San Gabriel Mountains; Big Rock Creek at Paradise Springs. 1000 Comment
  UCR205599  Caulanthus amplexicaulis R. G. Swinney 2008-5-13 8851 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, Holcomb Canyon, 0.5 mi. south of Big Rock Creek Rd. 1293 Comment
  UCR190395  Caulanthus cooperi R. G. Swinney 2001-4-18 7901 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  UCR160852  Caulanthus coulteri Wandalee Thompson 1971-4-15 90 Los Angeles Western Treansverse Range, Juday Flats Road, north of Pine Canyon Road, 6 miles west of Elizabeth Lake 1037 Comment
  SBBG39117  Ceanothus arboreus M. Van Rensselaer 1937-7-1 Los Angeles Santa Catalina Island Comment
  POM2729  Ceanothus crassifolius Dian Haynes 1893-02 s.n. Los Angeles Arroyo Seco, collected near Pasadena Comment
  CAS-BOT-BC48881  Ceanothus cuneatus Carl B. Wolf 1932-3-4 2667 Los Angeles South base of San Gabriel Mts., Thompson Creek, 3-4 mi. No. of Claremont 457 Comment
  RSA598934  Ceanothus cuneatus var. cuneatus Steve Boyd, Tim S. Ross 1997-3-21 9193 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  RSA660188  Ceanothus integerrimus Orlando Mistretta 1992-7-9 649 Los Angeles Transverse Ranges; San Gabriel Mountains region: Colby Creek Canyon Trail. Tujunga Ranger District. Comment
  SEINET13945931 Image available Ceanothus integerrimus Kay Raeder 1954-1 68 Los Angeles Padua Hills area, San Gabriel Mt. Range, Santa Ana River drainage area; 1200 ft alt. 366 Comment
  RSA250431  Ceanothus leucodermis Robert F. Thorne, R. Carolin, C. Davidson 1967-3-23 41615 Los Angeles San Gabriel Mts., Angeles National Forest: San Gabriel Canyon near Coldbrook. 1067 Comment
  RSA399748  Ceanothus leucodermis Louis C. Wheeler 1932-4-16 637 Los Angeles W side Santa Anita Canyon, San Gabriel Mountains. 854 Comment
  SEINET13387057 Image available Ceanothus leucodermis R. G. Swinney 2011-1 15475 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), lowest of 3 natural depressions at the N base of Strawberry Peak (Chilao Flat 7.5' Q.) 1207 Comment
  SBBG13435  Ceanothus megacarpus var. insularis E. R. Blakley 1962-6-9 5197 Los Angeles cyn W of rd, 2.5 mi N of China Pt 167 Comment
  LA30350  Ceanothus megacarpus var. megacarpus Mary V. Hood; 1942-4-26 42- 27 -k Los Angeles Santa Monica Mountains, near Tapia Park 304 Comment
  CAS-BOT-BC50485  Ceanothus oliganthus L. R. Abrams 1906-7-19 s.n. Los Angeles Mount Wilson Trail 1066 Comment
  RSA783283  Ceanothus oliganthus J. D. Olmsted 1959-3-27 320 Los Angeles San Dimas Creek. 0.25 mi S of gaging station below San Dimas ranger station on east bank of stream. 427 Comment
  SEINET3162616  Ceanothus oliganthus E. K. Balls 1950-3-28 14448 Los Angeles La Crescenta at upper end of town, hwy. 476 Comment
  SD253534  Ceanothus oliganthus var. orcuttii R. G. Swinney 2011-3-26 14200 Los Angeles San Gabriel Mountains; San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Canyon )Glendora 7.5'Q) 476 Comment
  UCD112712  Ceanothus spinosus Gerald Dickinson 1962-5-17 39 Los Angeles Topanga Canyon and Upper Robinson Rd. Santa Monica Mts. 304 Comment
  UCR124375  Ceanothus spinosus I. W. Clokey, B. C. Templeton 1929-1 4439 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  UCR223454  Ceanothus vestitus R. G. Swinney 2009-6-8 11101 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
  CATA1820  Cedrus deodara Benjamin E. Carter 2012-8-31 7021 Los Angeles Santa Catalina Island: Black Jack Campground. Grove of large, introduced trees in campground 459 Comment
  CDA1868  Cenchrus longispinus T. C. Fuller 1958-8-6 3960 Los Angeles West of 90th Street East, 1/4 mile south of Avenue I, 9 miles east of Lancaster. 0 Comment
  CATA123  Centaurea melitensis Peter Henrikson 1987-5-18 94 Los Angeles Santa Catalina Island: Above road near Howland's Landing 30 Comment
  UC53912  Centaurea melitensis Ernest Braunton 1902-6-24 494 Los Angeles Griffith Park Comment
  RSA659751  Centaurea melitensis Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-3 71 Los Angeles San Clemente Island. Comment
  UC56491  Centaurium exaltatum Ernest Braunton Jul 1902 534 Los Angeles Los Angeles River Comment
  UC52626  Centrostegia thurberi var. thurberi Dr. A. Davidson 1896-1 Los Angeles Lancaster Comment
  UCR274988  Cerastium glomeratum Michael Honer, Rachel Woodard 2006-4-20 2213 Los Angeles Tehachapi Mountains area:, Oso Canyon area; c. 1/2 mi. north of Quail lake; 1 mile west of cement plant rd. 1037 Comment
  RSA756629  Cerastium glomeratum Orlando Mistretta, Christine Mistretta 2008-4-19 2489 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, Structure 115 per TRTP Survey 2008), vicinity of Van Tassel Canyon. 581 Comment
  RSA86677  Cercocarpus betuloides F. W. Peirson 1927-3-19 7115 Los Angeles Seminole Hot Springs. Santa Monica Mts. Comment
  SEINET6331968  Cercocarpus betuloides G. B. Grant 1902-1 158 Los Angeles Coast Ranges, Pasadena Comment
  CAS-BOT-BC142167  Cercocarpus betuloides var. betuloides S. B. Parish 1916-3-27 10743 Los Angeles Summit of Laurel Canyon [Canon], near Los Angeles Comment
  UCSB2745  Cercocarpus betuloides var. betuloides Gill, Robert 1959-4-2 Los Angeles Pomona College, wash just south of observatory 365 Comment
  RSA725917  Cercocarpus betuloides var. blancheae Tim Thibault, Chelsea Ames, Valentin Arvizu, Heather Porter, Janet Takara 2006-4-27 437 Los Angeles Propst Grove, Santa Catalina Island. NE canyon. 354 Comment
  UC187678  Cercocarpus betuloides var. blancheae Katharine Brandegee May 17 1916-May 25 1916 Los Angeles Santa Catalina Island Comment
  UCR141041  Cercocarpus ledifolius June Latting 1977-10-16 s.n. Los Angeles San Gabriel Mountains, Throop Peak Trail 2774 Comment
  RSA727249  Cercocarpus ledifolius var. ledifolius R. G. Swinney 1998-7-2 6196 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 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
  RSA190890  Cercocarpus traskiae Robert F. Thorne 1967-5-18 36870 Los Angeles Wild Boar Gully, Santa Catalina Island. 183 Comment
  UCR269931  Cestrum nocturnum R. G. Swinney 2010-6-11 13247 Los Angeles San Gabriel Mountains, Azusa/Duarte, walking path under the Puente Largo RR bridge, main channel of San Gabriel River Wash, 0.5 mile north of Foothill Blvd. 184 Comment
  SDSU6499  Chaenactis artemisiifolia M. Wedberg 1966-4-3 1191 Los Angeles Above Hill Dr. at Neal, in Eagle Rock. Comment
  RSA003816  Chaenactis artemisiifolia Fay A. MacFadden 1929-06 1992 Los Angeles Verdugo Mountains: Tuna Canyon. 335 Comment
  CAS-BOT-BC277340  Chaenactis glabriuscula var. glabriuscula John Thomas Howell 1930-5-12 4877 Los Angeles 1 mile north of Acton Comment
  CAS-BOT-BC277381  Chaenactis glabriuscula var. glabriuscula LeRoy Abrams 1902-6-9 2503 Los Angeles Playa del Rey Comment
  UC1211166  Chaenactis glabriuscula var. glabriuscula Huron H. Smith 1912-5-3 4916 Los Angeles Azusa 243 Comment
  CAS-BOT-BC277827  Chaenactis santolinoides A. R. K. 1939-8-6 286 Los Angeles Mt. Islip, San Gabriel Mts. 2511 Comment
  RSA611667  Chaenactis stevioides var. brachypappa Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10098 Los Angeles Liebre Mountains region: Lower Leona Valley, southeastern end of Ritter Ridge and adjacent wash of Amargosa Creek, north of Elizabeth Lake Road. 853 Comment
  JEPS8875  Chaenactis xantiana Frank W. Peirson 1922-7-5 3163 Los Angeles n of Big Pines (along Le Montaine Creek, from about 7000 ft to near the summit of ridge immeditaely facing the Mohave Desert); San Gabriel Mountains, Le Montaine Creek 2209 Comment
  SEINET10465475  Chamaerops humilis Jon Ricketson, Heidi H. Schmidt 1992-10-22 Ricketson 4880 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Garden, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  RSA613519  Chamaesyce albomarginata L. C. Wheeler 1976-8-4 s.n. Los Angeles Dominguez Hills: Near Wilmington Avenue and Victoria Street. 48 Comment
  POM2792  Chamaesyce melanadenia P. A. Munz 1918-4-11 2045 Los Angeles Glendora. Comment
  JEPS52413  Chamaesyce melanadenia F. W. Peirson 1919-1-25 310 Los Angeles Arroyo Seco 381 Comment
  RSA482388  Cheilanthes covillei Richard Noyes 1987-10-17 454 Los Angeles San Gabriel Mountains. San Antonio Canyon. One-half mile north of Mt. Baldy road tunnels along gated road leading to power station. 1037 Comment
  UC650549  Cheilanthes covillei Marcus E. Jones, A. M. 1882-2-27 3033 Los Angeles Pasadena Comment
  RSA187701  Chenopodium ambrosioides R. F. Thorne 1966-9-14 36645 Los Angeles Santa Catalina Island: sandy, disturbed area behind Ben Weston Beach 3 Comment
  UCR281389  Chenopodium berlandieri R. G. Swinney 2014-5-27 16653 Los Angeles San Gabriel Mountains, Glendora, ridge between east and north forks of Hook Cyn., c. 400 m south of Glendora Ridge Mtwy. & 200 m north of Church of the Open Door, NE of Hook Cyn. debris basin 445 Comment
  RSA593419  Chenopodium botrys Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz 1996-7-11 8901 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  RSA615712  Chenopodium californicum L. C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mountains: Kentucky Springs County Park. Comment
  SBBG65275  Chenopodium californicum R. Hoffmann 1925-4-19 Los Angeles Antelope Valley to Elizabeth Lake Comment
  SD185186  Chenopodium californicum A. C. Sanders 2005-5-11 30152 Los Angeles Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd. northwest of Forest Park between Mint and Bouquet Canyons. 609 Comment
  UCD98151  Chenopodium californicum Robert F. Thorne; P. C. Everett 1964-2-7 33460 Los Angeles Lower end of Pebbly Canyon Beach, near road. E end of Santa Catalina Island. 76 Comment
  POM12232  Chenopodium californicum F. L. Robinson 1921-3-20 18 Los Angeles Claremont. Comment
  RSA151302  Chenopodium californicum P. H. Raven 1962-4-9 17164 Los Angeles San Clemente Island: small arroyo above Wilson Cove 61 Comment
  SBBG98413  Chenopodium californicum T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5283 Los Angeles W fk of Near-Death Cyn, draining to Mosquito Cove 304 Comment
  UCR261793  Chenopodium desiccatum R. G. Swinney 2010-5-11 12677 Los Angeles San Gabriel Mountains, east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd 872 Comment
  UCR272527  Chenopodium fremontii R. G. Swinney 2011-7-8 15468 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), lowest of 3 natural depressions at the N base of Strawberry Peak 1256 Comment
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Jan 24 2017
  RSA229882  Chenopodium leptophyllum H. A. Wahl 1966-8-26 21758 Los Angeles 1 mile W of Big Pines 2134 Comment
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Oct 29 2009
  RSA1235  Chenopodium murale Fay A. MacFadden 1929-6-13 1094 Los Angeles Verdugo Mountains: Tuna Canyon. Comment
  RSA423255  Chenopodium murale Gertrude Dunn 1930-8-8 s.n. Los Angeles Arroyo Seco, S. Pasadena Comment
  RSA478542  Chenopodium murale Edwin Kline 1924-6-8 s.n. Los Angeles Los Angeles. Comment
  RSA601744  Chenopodium pumilio L. C. Wheeler 1966-10-22 9048 Los Angeles Grandad's Ranch, Aliso Canyon. Comment
  LA51486  Chenopodium strictum var. glaucophyllum Peter H. Raven; Henry J. Thompson 1959-9-27 14510 Los Angeles Santa Monica Mountains, Sepulveda Canyon, along Sepulveda Blvd 243 Comment
  SEINET4044600  Chlorogalum pomeridianum D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 182 Comment
  RSA781200  Chorispora tenella A. C. Sanders 2010-3-30 37708 Los Angeles Antelope Valley, east of Lancaster and south of Redman, 90th St. East 0.35 mi. north of Ave. H 727 Comment
  CAS-BOT-BC168203  Chorizanthe parryi var. fernandina Mark A. Elvin 2003-6-19 2948 Los Angeles Western Transverse Range: hills west of San Martinez Grande Canyon and north of CA Hwy 126, Newhall Ranch 366 Comment
  UCR194147  Chorizanthe spinosa A. C. Sanders 2008-4-25 35105 Los Angeles Transverse Range; Western San Gabriel Mtns., SLOPES WEST OF OLD LA LIEBRE RANCH, SOUTH OF HWY 138 976 Comment
  CAS-BOT-BC244804  Chorizanthe staticoides Louis C. Wheeler 1932-4-30 668 Los Angeles Mandeville Canyon, Santa Monica Mts. Bare S clay ridge 152 Comment
  LA210343  Chorizanthe staticoides Jonathan Sauer; et. al. 1969-6-4 45 63 2 Los Angeles 853 Comment
  POM199696  Chorizanthe staticoides I. W. Clokey, Bonnie C. Templeton 1929-04 4494 Los Angeles Mandeville Canyon, Santa Monica Mts. 350 Comment
  UC1870197  Chorizanthe staticoides LeRoy Gross, Laura Moore, Debby Zygielbaum, Ron Burchet 2000-6-8 241 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. Near N34° 13' 34.8'' W118° 17' 45.1''. Elev. 2384 Feet. 726 Comment
  UCD99987  Chorizanthe staticoides A. C. Sanders 2003-4-29 26179 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 396 Comment
  UCR197178  Chorizanthe staticoides Valerie Soza, LeRoy Gross 2001-5-9 1202 Los Angeles Transverse Ranges: Verdugo Mountains, Southern San Rafael Hills, south of mouth of Scholl Canyon, west end of Valle Vista fire road, ridgetop north of Hwy 134 244 Comment
  RSA0105218  Chorizanthe watsonii R. G. Swinney 2011-6-7 15042 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
  RSA0113433  Chorizanthe watsonii LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7536 Los Angeles Arrastre Canyon. Started near mouth of canyon, near 34.44397N 118.20032W. Ended on top of a small knoll, near 34.43011N 118.18667W. 804 Comment
  UCSB42674  Chorizanthe xanti Rajala, Mary Ann 1980-5-25 Los Angeles Hungry Valley Road 3.3 mi west of Hwy 5 981 Comment
  SBBG62358  Chorizanthe xanti var. xanti R. Hoffmann 1929-5-21 Los Angeles Elizabeth Lake Comment
  CAS-BOT-BC36279  Chrysolepis sempervirens Joseph Andorfer Ewan 1936-8-14 10039 Los Angeles So. Shoulder Throop Peak, San Gabriel Mts. 2743 Comment
  RSA755830  Chrysothamnus nauseosus subsp. consimilis R. G. Swinney 2008-9-12 9443 Los Angeles Kratka Ridge, 0.3 mi. east of Cedar Springs, just south of Conservation Camp 37 2088 Comment
  UCD103926  Chylismia claviformis subsp. claviformis Ira L. Wiggins 1966-4-24 20650 Los Angeles Along Palmdale Blvd. between 90 Street E and 150 Street E, about 15 miles E of Palmdale. Mohave Desert. Comment
  POM6124  Cirsium occidentale var. californicum M. Hitchcock 1918-5-30 s.n. Los Angeles Indian Hill, Claremont Comment
  RSA0094370  Cirsium occidentale var. californicum R. G. Swinney 2011-5-31 14921 B Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  UCD130634  Cirsium ochrocentrum var. ochrocentrum G. W. Garrettson 1960-7-22 s.n. Los Angeles Southern Pacific Railroad, right-of-way about 100 yards west of Water Street, Walnut. Comment
  UCR125969  Cirsium vulgare A. C. Sanders, Mark Elvin 2002-6-19 25162 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  SBBG20576  Cistanthe maritima E. R. Blakley 1963-12-7 6317 Los Angeles W of Pyramid Head, S of Lighthouse 38 Comment
  RSA229020  Cistanthe monandra R. F. Thorne, C. W. Tilforth 1971-6-30 40780 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
  RSA584951  Cistanthe monandra Timothy S. Ross, Steve Boyd 1991-4-25 4586 Los Angeles San Gabriel Mtns: Steep slope dropping S from Doe Flat toward Graveyard Canyon (which drains to the lower E Fk of the San Gabriel River). 731 Comment
  RSA466591  Cistanthe monandra Anstruther Davidson 1890-3-24 s.n. Los Angeles Near Reservoir at river. Comment
  RSA199049  Cistus ladanifer W. M. Gauntt 1966-4-30 173 Los Angeles Glendora Mt. Ridge Road. 1/2 mile south of ''Y'' to Mt. Baldy. 914 Comment
  RSA651380  Cistus ladanifer T. Strid, K. Montgomery 1972-4-29 s.n. Los Angeles L.A.S.C.A. Fire Plot, Dillon Divide. 914 Comment
  UCR46087  Cistus ladanifer Kathy Harper 1986-5-16 s.n. Los Angeles San Gabriel Mtns., Along unpaved road from Alder Saddle to Pacifico Mtn, NW of Hwy 2 Comment
  CAS-BOT-BC223883  Cistus salviifolius Tim Ross; Walter Appleby 1993-4-15 6822 Los Angeles Western San Gabriel Mtns: Southerly draw ca 515 m SSW of May Canyon Saddle, draining to Wilson Canyon; disturbed area on N side of Loop Canyon Road 1011 Comment
  UCR241701  Clarkia Dan S. Cooper 2012-4-14 412- 22 A Los Angeles Western Transverse Range; Hollywood Hills, 1-mile Tree, off Western Canyon Rd., Griffith Park 270 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
  SBBG60282  Clarkia bottae R. Hoffmann 1930-6-6 Los Angeles Liebre Station, Ridge Route [historic site] Comment
  SFV16012  Clarkia bottae P. W. Byrne, M. Hill 1994-5-15 43 Los Angeles San Gabriel Mountains Bear Canyon at Liver Oak Campground. South side of dry riverbed. 600 Comment
  RSA609076  Clarkia dudleyana Louis C. Wheeler 1932-5-28 781 Los Angeles San Antonio Canyon, E side SE Hogback. 1280 Comment
  RSA652703  Clarkia dudleyana Phillip Robinson 1991-5-19 371 Los Angeles Sycamore Canyon, 0.25 miles south of intersection of Beverly Blvd and Workman Mill. 2.2 miles east of Workman Mill Road on trail into Canyon. At end of right fork of trail at the foor of the canyon., City of Industry, SW of Rio Hondo College, E of 605 F. Comment
  UC58862  Clarkia dudleyana B. L. Smith 1900-5-20 39 Los Angeles Burbank Canyon Claremont Comment
  UCR52318  Clarkia dudleyana R. Ascanio 1988-4-8 s.n. Los Angeles Western San Gabriel Mtns., E end of Calgrove Blvd., off Interstate Hwy 5N, c. 5 mi. north of I-210 and I-5 interchange 457 Comment
  UC1211097  Clarkia epilobioides Huron H. Smith 1912-5-17 4966 Los Angeles Eaton's Canyon Mt. Wilson 426 Comment
  UCR155388  Clarkia purpurea A. C. Sanders, T. B. Salvato 2005-5-24 30275 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, c. 0.5 mi. NW of community of Mint Canyon 610 Comment
  UCR260402  Clarkia purpurea subsp. quadrivulnera R. G. Swinney 2010-6-21 13272 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  SD113952  Clarkia purpurea subsp. viminea Darley F. Howe May 1915 Los Angeles Comment
  RSA567172  Clarkia rhomboidea Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3910 Los Angeles Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. 1488 Comment
  CAS-BOT-BC165502  Clarkia unguiculata F. A. Thackery 1928-5-13 249 Los Angeles Topanga Canyon Comment
  RSA448583  Clarkia unguiculata Fay A. MacFadden 1931-3-28 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  POM17990  Clarkia xantiana subsp. parviflora P. A. Munz 1923-5-27 6879 Los Angeles Big Rock Creek; San Gabriel Mts 1296 Comment
  RSA0113304  Clarkia xantiana subsp. xantiana Lyman Benson 1947-6-10 12519 Los Angeles Indian Hill, Claremont. 426 Comment
  UCR187228  Claytonia parviflora A. C. Sanders 2006-4-21 32127 Los Angeles Tehachapi Mtns. Foothills, hills c. 1.25 miles ENE of Quail Lake, east of the Cement Plant Rd. and Calif. Aqueduct, north of Hwy 138 1006 Comment
  UCR269112  Claytonia parviflora Orlando Mistretta, Christine Mistretta 2008-4-19 2491 Los Angeles San Gabriel Mountains, Southern California Edison transmission line corridor (Segment 6, Impact Area 6 per TRTP Survey 2008), vicinity of Mill Creek summit 1524 Comment
  UCR190434  Claytonia parviflora subsp. viridis R. G. Swinney 2000-5-6 7671 Los Angeles San Gabriel Mtns., c. 1.5 mi. NNE of West Fork San Gabriel River, 0.1-1 mi. NW of Hwy 39 in the North Fork drainage 854 Comment
  RSA729662  Claytonia perfoliata R. G. Swinney 1998-7-2 6261 Los Angeles San Gabriel Mtns.: NE of Table Mountain, Wrightwood area, 0.8 mi NE of junction of roads 4N21B, 4N21A, and 4N21 2110 Comment
  CAS-BOT-BC439964  Claytonia perfoliata subsp. mexicana Huron H. Smith 1912-5-29 5022 Los Angeles Summit Road, Santa Catalina Isl. 396 Comment
  RSA0022365  Clematis lasiantha Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5119 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA127809  Clematis lasiantha Peter H. Raven, Henry J. Thompson 1959-9-27 s.n. Los Angeles Latigo Canyon Road 1.0 mile east of Newton Canyon. 564 Comment
  UC535494  Clematis lasiantha Ira W. Clokey, B. Templeton May 1929 4545 Los Angeles Mandeville Canyon Santa Monica Mts., Mandeville Canyon 300 Comment
  POM97088  Clematis lasiantha Hill, D. D. Keck 1925-4-27 s.n. Los Angeles San Antonio Canyon. Comment
  UC1125911  Clematis ligusticifolia Jerome S. Horton 1936-8-12 380 Los Angeles Tanbark Pomona Quad., N. Fork San Dimas Watershed, Tanbark Comment
  UC545785  Clematis ligusticifolia Annetta M. Carter 1935-9-12 980 Los Angeles San Gabriel Mts., Chilao 1615 Comment
  RSA6002  Clematis ligusticifolia var. californica Carl B. Wolf 1932-10-5 4239 Los Angeles Santa Catalina Island, 1 mile from Middle Ranch on road to Black Jack Peak. 274 Comment
  POM142967  Cleome isomeris L. R. Abrams 1901-4-1 1215 Los Angeles Ballona Harbor Comment
  POM122979  Cleomella obtusifolia Marcus E. Jones 1924-9-14 s.n. Los Angeles Lancaster. Comment
  SBBG32030  Clinopodium douglasii R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -214 Los Angeles lower Bullrush Cyn, Salta Verde Comment
  POM13528  Collinsia bartsiifolia var. davidsonii F. W. Peirson 1922-6-3 s.n. Los Angeles West of Elizabeth Lake. 1174 Comment
  CAS-BOT-BC32884  Collinsia bicolor var. austromontana Ivan Murray Johnston 1917-7-1 1750 Los Angeles San Antonio Mountains, near Brown's Flats 1280 Comment
  RSA408244  Collinsia callosa Anstruther Davidson 1895-5-3 s.n. Los Angeles Manzana. Comment
  RSA586533  Collinsia heterophylla Tim S. Ross 1992-5-24 6403 Los Angeles San Gabriel Mountains: Lower Brown's Gulch: just W of the San Gabriel Dam 463 Comment
  RSA0117384  Collinsia parryi F. W. Peirson 1919-4-19 4719 Los Angeles Pacoima Canyon. 549 Comment
  RSA641689  Collinsia torreyi var. wrightii Orlando Mistretta 1993-6-2 861 Los Angeles San Gabriel Mountains: Near Vincent Gulch. 2091 Comment
  UCR191513  Collinsia torreyi var. wrightii R. G. Swinney 1998-7-8 6312 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  RSA774178  Collomia grandiflora R. G. Swinney 2009-7-22 11336 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  RSA71948  Collomia grandiflora F. W. Peirson 1924-4-28 4634 Los Angeles Hoyt Ranch, Tujunga Creek, W end of San Gabriel Mts. 579 Comment
  OBI14478  Comarostaphylis diversifolia H. E. McMinn 1935-6-21 3915 Los Angeles O. melveny's place, Stone Canyon Comment
  POM201985  Conium maculatum L. Crutcher 1933-6-21 s.n. Los Angeles Low waste place, 7th Street Bridge, Long Beach Comment
  RSA0110776  Convolvulus arvensis Steven A. Junak 2000-5-18 SCa- 1303 Los Angeles Santa Catalina Island. NW-facing slope overlooking Parsons Landing. 73 Comment
  RSA18527  Cordylanthus rigidus subsp. setiger Carl B. Wolf 1927-7-24 671 Los Angeles 1/2 mi east of Montrose 457 Comment
  UCD130999  Coreopsis californica Ira L. Wiggins 1966-4-15 20590 Los Angeles immediately east of J.F.L. Motel, Pearblossom. Mohave Desert. Comment
  RSA640620  Coreopsis californica R. F. Thorne, Gary D. Wallace 1973-4-24 43445 Los Angeles Antelope Valley, Western Mojave Desert: Lovejoy Buttes, N of Llano, S slope. 915 Comment
  RSA252920  Coreopsis californica var. californica R. F. Thorne, C. W. Tilforth 1973-4-20 43041 Los Angeles San Gabriel Mts., Mojave Desert slopes: 3.2 miles S of Hwy 138 along Grandview Canyon Rd. 1280 Comment
  RSA182746  Coreopsis calliopsidea J. Massey, James Henrickson 1966-4-9 1175 Los Angeles Piute Butte. Comment
  RSA613162  Coreopsis calliopsidea P. A. Munz 1931-3-28 2574 Los Angeles Near Palmdale. Comment
  UCD131013  Coreopsis gigantea P. B. Kennedy 1928-3-29 s.n. Los Angeles Eagle West, Santa Catalina Island. Comment
  CAS-BOT-BC105712  Corethrogyne filaginifolia Ernest Braunton 1902-8-1 651 Los Angeles Oak Knoll Comment
  JEPS26087  Corethrogyne filaginifolia Henry J. Thompson 1958-10-10 1808 Los Angeles 0.5 mi e Saddle Peak; Santa Monica Mountains, Saddle Peak 701 Comment
  RSA598906  Corethrogyne filaginifolia R. G. Swinney 1989-7-31 s.n. Los Angeles Base of San Gabriel Mountains, in and near the city of Glendora. S end of Colby firebreak, at Glendora Wilderness Park. 396 Comment
  CAS-BOT-BC209769  Cornus glabrata Carl B. Wolf 1932-5-13 3617 Los Angeles Santa Catalina Island. Hamilton Canyon, left fork, 200 ft. above forks 121 Comment
  UCR170452  Cotoneaster pannosus Alex R. Van Dam 2004-5-16 010 Los Angeles Western Transverse Range; Santa Monica Mtns., Franklin Canyon Park near the main parking lot on a slightly graded N-facing slope 280 Comment
  SBBG119386  Cotula australis D. E. Bramlet, S. Leatherman, B. Leatherman 2001-5-3 3131 Los Angeles slopes above (E of) Grasshopper Cyn and adjacent to a large cattle pond, ca. 488 m E of the old ridge route and 3.7 km N of the mouth of Grasshopper Cyn Comment
  RSA763024  Crassula connata R. G. Swinney 2009-3-13 10109 Los Angeles Azusa, mouth of San Gabriel River Canyon, 0.8 mi. north of Foothill Blvd. on east side of main river channel 192 Comment
  RSA599216  Crassula connata L. C. Wheeler 1968-3-28 s.n. Los Angeles Foothills of San Gabriel Mountains: Brown School for Girls, northwest of Glendora. 358 Comment
  SBBG18705  Cressa truxillensis E. R. Blakley 1963-4-7 5503 Los Angeles Little Harbor 15 Comment
  CAS-BOT-BC175831  Crossosoma californicum Peter H. Raven 1962-5-20 17785 Los Angeles Santa Catalina Island: above Whites Landing on Airport Road 426 Comment
  CAS-BOT-BC175841  Crossosoma californicum Carl B. Wolf 1932-5-9 3484 Los Angeles Santa Catalina Island. Left (E.) Fork of Pebbly Beach Canyon, 1/3 mi. above Mexican Houses 152 Comment
  CAS-BOT-BC181572  Crossosoma californicum James R. Shevock 1975-3-23 4046 Los Angeles North side of Orizaba Peak in the vicinity of Black Jack Campground - Santa Catalina Island 457 Comment
  RSA3540  Crossosoma californicum C. B. Wolf 1932-5-9 3484 Los Angeles Santa Catalina Island. Along the trail in the left (east) fork of Pebbly Beach Canyon, 1/2 mile above the Mexican houses. 61 Comment
  SBBG108966  Crossosoma californicum S. A. Junak 1997-4-8 SCl 795 Los Angeles between two forks of upper Wall Rock Cyn 237 Comment
  RSA479357  Croton californicus R. F. Folger 1929-12 s.n. Los Angeles El Segundo. Comment
  RSA673607  Croton californicus LeRoy Gross, Steve Fischer, Gary Wallace, et al. 2002-12-7 679 Los Angeles Limekiln Canyon. 518 Comment
  CATA137  Croton setiger Peter Henrikson 1987-5-18 102 Los Angeles Santa Catalina Island: Above Parsons' Landing 60 Comment
  UCD142132  Croton setiger L. Neuenschwander 1970-8-20 50 Los Angeles 1/8 mi. from CSCLA near Circle Dr. and jct. of Long Beach and San Bernardino Fwys. 152 Comment
  CAS-BOT-BC190077  Crypsis schoenoides Grace Cole Fleischman 1946-10-20 s.n. Los Angeles Puddingstone Reservoir near San Dimas. Comment
  UCR276809  Cryptantha barbigera R. G. Swinney 2010-5-21 12893 A 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
  RSA763147  Cryptantha circumscissa Justin M. Wood 2010-5-10 1628 Los Angeles Vicinity of Littlerock creek; just southwest of intersection of cheseboro rd. and Mt. Emma rd. 973 Comment
  UCD119611  Cryptantha circumscissa Steve Mason 1993-5-1 27 Los Angeles Sufur Springs Road, 200 feet up road from Angeles Creek Highway, restroom parking lot to left on edge of slope looking down at Angeles Crest Highway. 1798 Comment
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Dec 9 2014
  UCR221905  Cryptantha circumscissa R. G. Swinney 2009-4-28 10522 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  CAS-BOT-BC189523  Cryptantha circumscissa var. circumscissa A. D. E. Elmer 1902-6-1 3705 Los Angeles Acron Comment
  UC1212104  Cryptantha clevelandii Peter H. Raven and Henry J. Thompson 1960-4-12 15033 Los Angeles sw of Seminole Hot Springs; Santa Monica Mountains 365 Comment
  SBBG126951  Cryptantha clokeyi A. Parikh, N. Gale 2011-6-2 3407 Los Angeles 0.1 km S of Avenue M, 0.3 km E of 80th St W; Antelope Valley 790 Comment
  RSA499600  Cryptantha intermedia L. E. Hoffman 1927-7-10 s.n. Los Angeles Swartout Canyon, Big Pines. Comment
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Jan 4 2012
  SBBG31352  Cryptantha intermedia R. F. Thorne 1966-4-6 35888 Los Angeles between White and Moonstone Coves 15 Comment
  SBBG96956  Cryptantha intermedia S. Boyd with T. Ross, L. Arnseth 1990-4-8 4290 Los Angeles near Malo Pt, first cyn S of Bryce Cyn Comment
  UCR177761  Cryptantha intermedia LeRoy Gross, Naomi Fraga, B. Hogshead, Aydee Virgen 2003-6-19 1075 Los Angeles Transverse Ranges; Verdugo Mountains region, North side of mountains: South of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway. 556 Comment
  RSA159346  Cryptantha intermedia P. H. Raven 1962-4-10 17219 Los Angeles Along summit ridge about 2 miles north of Thirst, San Clemente Island 488 Comment
  SBBG132064  Cryptantha maritima S. A. Junak, B. Collins 1991-4-24 SCI 197 Los Angeles S side of mouth of Eel Cove Cyn Comment
  SBBG118901  Cryptantha muricata S. Boyd with A. Maurice 2004-5-18 11313 Los Angeles rd leading to Atmore Meadows area from main rd on crest, at crossing of spring overflow 1437 Comment
  UC1586030  Cryptantha muricata Barbara Ertter with L. Heckard, T. Sholars, J. Hickman, et al. 1988-5-23 7484 Los Angeles on n side San Gabriel Mts. (Pine Canyon Rd, along San Andreas Fault, (Co Rd N2), on n side of road); , San Andreas Fault Comment
  RSA775866  Cryptantha muricata var. denticulata Orlando Mistretta, Christine Mistretta 2010-5-26 5201 Los Angeles Upper Mill Creek canyon drainage, S of Mill Creek Summit, along Southern California Edison transmission line corridor 1463 Comment
  RSA0079363  Cryptantha muricata var. muricata Timothy S. Ross, Steve Boyd 1994-5-4 7644 Los Angeles Liebre Mountains, San Francisquito Canyon: Headwaters of the canyon, NE of Green Valley; ca 600m SW of summit of grade; ca 2460 m ESE of Grass Mountain summit. 1055 Comment
  RSA0079352  Cryptantha muricata var. muricata Marcus E. Jones 1882-5-3 s.n. Los Angeles Pasadena. Comment
  RSA0079594  Cryptantha muricata var. muricata C. Schapiro 1979-5-28 11 Los Angeles Verdugo Mountains; On fire road at intersection of Covert Ave. and Blanchard Canyon Road, Upper Tujunga. 671 Comment
  SEINET3860016  Cryptantha nevadensis R. G. Swinney 2009-4-24 10454 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground.; 0 915 Comment
  UC573070  Cryptantha pterocarya H. L. Mason 1932-4-1 6866 Los Angeles 1 mi e Lancaster; Mojave Desert Comment
  RSA0079043  Cryptantha pterocarya var. pterocarya T. S. Ross 1991-4-27 4662 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking +/- S to SSW), ca 0.25- 0.3 miles W of the county line. 1183 Comment
  SEINET10625790  Cucumis sativus Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3764 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  RSA584912  Cucurbita foetidissima Tim Ross 1992-6-15 6570 Los Angeles Whittier Hills (local name for the western extremity of the Puente Hills); upper end of Turnbull Canyon. 213 Comment
  CAS-BOT-BC224492  Cuscuta californica Timothy S. Ross; Steve Boyd 1994-9-21 8284 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1708 Comment
  UCR206165  Cuscuta californica A. C. Sanders, T. B. Salvato 2009-5-29 37058 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
  UCR255472  Cuscuta californica Dan S. Cooper 2014-6-26 614- 30 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., southeastern corner of Griffith Park, slope north of Commonwealth Nursery site, above Vista del Valle Dr. 276 Comment
  RSA587000  Cuscuta denticulata Orlando Mistretta 1992-5-8 296 Los Angeles San Gabriel Mountains. Little Rock Creek. slopes E. of Little Rock Creek Reservoir 1066 Comment
  UCR150449  Cuscuta indecora R. G. Swinney 1999-6-21 7378 Los Angeles San Gabriel Mtns., Boulder Canyon Wash, south of east-west road that runs through Big John Flat 1671 Comment
  RSA409749  Cuscuta salina F. R. Fosberg 1930-7-7 3161 Los Angeles Alamitos Bay. 2 Comment
  UCD126349  Cuscuta subinclusa Lewis S. Rose 1960-8-28 60086 Los Angeles Santa Monica Mountains, Coldwater Canyon. 335 Comment
  UCR205692  Cyclospermum leptophyllum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36981 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  RSA0097546  Cylindropuntia californica var. parkeri Marc A. Baker, Michelle Cloud-Hughes 2015-7-11 18407 Los Angeles Claremont, 300m south of the SE base of Indian Hill. 394 Comment
  UCR101177  Cyperus difformis L. C. Wheeler 1967-9-18 s.n. Los Angeles Los Angeles Basin, Los Angeles River at Los Feliz Blvd. 122 Comment
  RSA618984  Cyperus eragrostis LeRoy Gross 1998-9-20 74 Los Angeles Southern base San Gabriel Mtns.: Tujunga Ponds. West of 210 freeway in big Tujunga wash, city of Sunland 365 Comment
  RSA764405  Cyperus eragrostis Justin M. Wood 2009-9-9 1295 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  RSA138268  Cyperus eragrostis E. K. Balls 1960-6-9 24160 Los Angeles Grown in Botanic Garden, Claremont. 412 Comment
  POM1355  Cyperus erythrorhizos Anstruther Davidson 1917-1 s.n. Los Angeles Streets of Los Angeles. Comment
  UCR31661  Cyperus gracilis Tom Yutani 1983-8-15 s.n. Los Angeles Santa Monica, a weed in the alley behind the house at 460 23rd Street Comment
  SEINET7582152 Image available Cyperus involucratus Louis C. Wheeler 1946-11-10 6442 a Los Angeles Rosemead, Rio Hondo at Garvey Avenue. Comment
  CAS-BOT-BC227167  Cystopteris fragilis Timothy S. Ross; Steve Boyd 1994-5-4 7680 Los Angeles Liebre Mountains. Dogwood Canyon: narrow canyon draining NE to Burns Canyon from the NE summit of Grass Mountain 1283 Comment
  RSA616714  Cystopteris fragilis L. C. Wheeler 1968-6-1 s.n. Los Angeles San Gabriel Mtns.: Chilao Creek headwaters. 1798 Comment
  UCR205594  Cystopteris fragilis R. G. Swinney 2008-5-13 8860 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, Holcomb Canyon at junction with South Fork Trail 1390 Comment
  UCR259056  Dactylis glomerata R. G. Swinney 2010-6-21 13301 Los Angeles San Gabriel Mountains, 0.2 miles east of Wilson Canyon Saddle, jct. of Santa Clara Truck Trail and Los Pinetos Spring Trail, on south side of Truck Trail 951 Comment
  RSA511000  Dalea mollis R. F. Thorne, Gary D. Wallace 1973-4-24 43455 Los Angeles Antelope Valley, Western Mojave Desert: Lovejoy Buttes, N of Llano, S slope. 915 Comment
  SEINET12274409  Datura inoxia J. F. Bright, Wyman, C. 1931-1 5668 Los Angeles Hollywood Comment
  UC2026507  Datura stramonium Louis C. Wheeler 1946-10-26 6395 Los Angeles 1/4 mile north of Azusa. Comment
  RSA421882  Datura wrightii Fay A. MacFadden 1931-3-15 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  UCR125955  Datura wrightii A. C. Sanders, Mark Elvin 2002-6-19 25148 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  RSA421875  Datura wrightii Claire Kibbe 1936-07 19962 Los Angeles Santa Ana Canyon 915 Comment
  RSA668189  Datura wrightii Unspecified 1959-12-15 s.n. Los Angeles Simi Valley. Comment
  SEINET6168337  Datura wrightii N. K. Berg 1904-4-14 s.n. Los Angeles Santa Monica Comment
  RSA616156  Daucus pusillus Valerie L. Soza 1998-5-3 90 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, along southern edge of pHake Lake. 411 Comment
  UC56498  Daucus pusillus H. M. Hall 1902-5-10 3231 Los Angeles Chatsworth Hills Comment
  UCR143125  Daucus pusillus F. R. Fosberg 1931-4-12 S- 4573 Los Angeles Channel Islands, Near Jewfish Point, Santa Catalina Island 15 Comment
  UCR190439  Daucus pusillus R. G. Swinney 2000-5-10 7677 Los Angeles San Gabriel Mtns., San Gabriel River bottom, c. 600 m NE of confluence with Fish Canyon between bike path and river bottom 220 Comment
  UC1587223  Daucus pusillus Tim Ross, Orlando Mistretta, and Mike Hammitt 1991-5-20 5339 Los Angeles w. side San Clemente Isl. (between Box and Horse Canyons) 484 Comment
  UC2052838  Deinandra clementina M. B. Dunkle 1939-4-5 7277 Los Angeles San Clemente Island, Pyramid Cove. Comment
  JEPS30635  Deinandra fasciculata Peter H. Raven and Henry J. Thompson 1959-5-5 14113 Los Angeles 1 mi w Las Virgenes Rd. (Mulholland Hwy., Malibu Creek drainage); Santa Monica Mountains, Malibu Creek 274 Comment
  CAS-BOT-BC299284  Deinandra fasciculata Alice Eastwood 1906-5-27 91 Los Angeles Country adjacent to Los Angeles Comment
  SEINET3147520  Deinandra fasciculata G. B. Grant 558 Los Angeles Catalina Island Comment
  RSA772586  Delphinium ajacis Kathy Malloy 1972-5-16 63 Los Angeles Pomona College wash (Blanchard Park), Claremont; San Gabriel Mts., Santa Ana River Watershed 335 Comment
  IRVC26213  Delphinium cardinale A. C. Sanders, Mark A. Elvin 2003-6-18 26956 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
  RSA394514  Delphinium cardinale Robert L. Dressler 1949-6-19 898 Los Angeles SanDimas Wash, ca. 1 mile N of San Dimas. 671 Comment
  RSA650493  Delphinium cardinale Mary H. Ward 1970-4-19 LASCA- 934 Los Angeles San Rafael Hills,behind Linda Vista, southwestern Pasadena 305 Comment
  RSA0045485  Delphinium parryi Paul M. Inman 1983-5-15 51583 -6 Los Angeles Big Santa Anita Canyon in the Angeles National Forest, San Gabriel Mountains, about 1 mile north of Arcadia, near first weir above Hoegee's Camp on Winter Creek trail. 792 Comment
  SEINET12086742  Delphinium parryi H. E. Horse 1892-1 s.n. Los Angeles Santa Monica Comment
  RSA593495  Delphinium parryi subsp. parryi Steve Boyd, Mike Wall 1996-5-16 8773 Los Angeles Liebre Mountains, ridgeline and adjacent slopes of side canyon to Charlie Canyon, west of San Francisquito Canyon off Angeles National Forest Road 5N17, ca 0.4 road miles south of jtn with 5N30, south of Red Mountain. 671 Comment
  SBBG55819  Delphinium patens subsp. hepaticoideum K. Martinez 1971-4-23 47 Los Angeles San Dimas Cyn, 6.2 mi from Foothill Blvd along San Dimas Cyn Rd 510 Comment
  UCR271477  Delphinium patens subsp. hepaticoideum R. G. Swinney 2011-5-3 14566 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  RSA544559  Delphinium variegatum subsp. thornei Tim S. Ross, Kellogg 1992-4-11 6107 Los Angeles San Clemente Island: west fork of China Canyon; 157 SSE from 1583' BM, 425m distant 396 Comment
  RSA654019  Dendromecon rigida Valerie L. Soza, Laura Moore 2000-5-10 843 b Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines. 579 Comment
  RSA0034904  Dendromecon rigida L. E. Hoffman 1964-3-2 s.n. Los Angeles Piuma Road, Santa Monica Mountains. Comment
  SEINET10476255  Dendromecon rigida subsp. rhamnoides Jon Ricketson, Heidi H. Schmidt; Janet Takara 1992-10-20 Ricketson 4798 Los Angeles Santa Catalina Island; Catalina Conservancy Land, The James H. Ackerman Native Plant Nursery. In Middle Canyon, near Middle Ranch and Cape Canyon Trail. 10 miles west of the city of Avalon. Collections made in cooperation with the Catalina Conservancy. 230 Comment
  SEINET3507397 Image available Dentaria californica C. Francis Shutts 1949-2-14 3 Los Angeles Little Dalton Canyon. Pacific drainage area. Comment
  RSA781296  Deschampsia danthonioides R. G. Swinney 2009-7-22 11369 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  RSA134666  Descurainia E. K. Balls 1959-2-9 23761 Los Angeles Claremont. Comment
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Aug 6 2008
  CAS-BOT-BC43123  Descurainia pinnata subsp. brachycarpa LeRoy Abrams 1901-4-3 1247 Los Angeles Santa Monica Mountains. San Fernando Valley. 182 Comment
  RSA585371  Descurainia pinnata subsp. glabra Timothy S. Ross 1991-4-27 4660 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line 1183 Comment
  POM369396  Descurainia pinnata subsp. glabra George R. Johnstone 1930-3-30 s.n. Los Angeles 3 1/2 miles from Llano. Mojave Desert. Comment
  SD69563  Desmazeria rigida Robert F. Thorne 1966-6-1 36484 Los Angeles Santa Catalina Island; at site of razed St. Catherine's Hotel; north of Avalon 4 Comment
  RSA0080074  Dicentra chrysantha R. G. Swinney 2010-6-4 13049 Los Angeles Placerita Canyon Natural Area, Botany Trail Loop, from Nature Center to the NE in a ravine and along ridgetop to its south, parallel and to the south of Placerita Canyon Rd. 473 Comment
  CAS-BOT-BC402520  Dicentra ochroleuca Chester Dudley 1931-4-22 s.n. Los Angeles Summit of Saddle Peak, 4 miles west of Fernwood in Topango Canon [Topanga Canyon], 3 miles north of the ocean, Santa Monica Mts. 864 Comment
  UCR259667  Dichelostemma capitatum R. G. Swinney 2010-4-1 12142 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
  UC843542  Dichelostemma capitatum I. W. Clokey and B. C. Templeton 1930-4-8 4726 Los Angeles San Francisco Canyon Comment
  SBBG121832  Diplacus bigelovii var. bigelovii A. Parikh, N. Gale 2005-6-16 784 Los Angeles Portal Ridge, 0.5 km NNW of intersection of N2/Johnson Rd, 1.5 km ESE of intersection of N2/Munz Ranch Rd 1025 Comment
  CAS-BOT-BC153054  Diplacus fremontii L. R. Abrams 1941-4-24 13948 Los Angeles Between Big Rock Creek and Little Rock Creek on State Highway 138 Comment
  RSA0028696  Diplacus longiflorus J. Bogdanoff-Lord 1989-5-21 22 Los Angeles Angeles National Forest. 3.9 miles NNE of the intersection of Baseline and Mills, Claremont, on west side of Mt. Baldy Road. Comment
  UC572678  Distichlis spicata Nell Murbarger April 1936 123 Los Angeles San Clemente Island Comment
  UCD64579  Distichlis spicata Collector Unknown 1992-7-1 Los Angeles Townsley Canyon, Ed Davis County Park. Comment
  CAS-BOT-BC43584  Dithyrea californica Timothy S. Ross 1991-4-27 4689 Los Angeles Mojave Desert. Ca. 0.85 mile west of Three Sisters & 1.2 mile south of Black Butte. 947 Comment
  RSA134057  Dodecatheon clevelandii H. J. Thompson 1948-3-5 s.n. Los Angeles Just E of Pomona College, Claremont, at foot of San Gabriel Mountains. 305 Comment
  UC1123251  Dodecatheon clevelandii subsp. clevelandii A. D. Gifford 1935-3-17 489 Los Angeles 2 1/2 mi sw Red Mountain; Angeles National Forest, Tejon Quad. Comment
  RSA670707  Dodecatheon clevelandii subsp. sanctarum Bonnie C. Templeton 1968-5-5 11421 Los Angeles Hills north of Malibu lake. 244 Comment
  UCR256266  Drymocallis cuneifolia var. ewanii R. G. Swinney 2010-10-13 14043 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  RSA789057  Drymocallis glandulosa var. reflexa Jane Tirrell, Graham Bothwell 2012-7-11 LS 0112 Los Angeles South side California State Route 2 near mile marker 67.7 2309 Comment
  UC212318  Drymocallis glandulosa var. viscida I. M. Johnston 1918-7-6 2068 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains, Prairie Fork San Gabriel River (along small stream) 1981 Comment
  RSA720488  Drymocallis lactea var. lactea R. G. Swinney 1997-8-6 5769 Los Angeles along Hwy 2 0.5 mi W of Big Pines (road junction) E of Jackson Lake 2024 Comment
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Mar 27 2014
  RSA127941  Dryopteris arguta H. J. Thompson 1959-3-27 1895 Los Angeles Santa Monica Mountains: Saddle Peak, 1.5 miles east of peak. 731 Comment
  UCR23350  Dryopteris arguta John C. Roos 1942-3-21 1099 Los Angeles San Gabriel Mtns, Santa Anita Canyon 244 Comment
  POM311020  Dudleya blochmaniae Reid V. Moran 1948-6-8 3086 Los Angeles Mouth of Winter canyon, Malibu Beach. 76 Comment
  LA210121  Dudleya cymosa subsp. ovatifolia K. Nakai; B. Broadbent 1980-5-4 588 Los Angeles Santa Monica Mountains, End of Camarillo Spring Rd. at the N base of Conejo Mtn 60.0 Comment
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Apr 24 2014
  UC1178503  Dudleya cymosa subsp. pumila Peter Kamb 1947-5-25 531 Los Angeles above Sunset Ridge guard station (Millard's Canyon); San Gabriel Mtns 670 Comment
  RSA0021414  Dudleya lanceolata Carol Haines 1964-5-23 s.n. Los Angeles Beginning of Old Ridge Route 427 Comment
  CAS-BOT-BC109675  Dudleya multicaulis Louis C. Wheeler 1934-4-27 2572 Los Angeles Marshall Creek, San Gabriel Mountains. 487 Comment
  SD120665  Dudleya multicaulis C. W. Tilforth, Wisura 1982-4-29 Los Angeles Rancho Santa Ana Botanic Garden. Comment
  CAS-BOT-BC109736  Dudleya virens subsp. hassei Reid Moran 1941-5-27 873 Los Angeles Lovers' Cove, near Avalon, Catalina Island. Comment
  SDSU5737  Dudleya virens subsp. hassei Jim Dice, Michael Donoghue & Terry Martin 1983-5-20 346 Los Angeles Santa Catalina Island, northeast-facing slope above Pebbly Beach Drive, between Avalon Bay and Abalone Point. 23 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
  UCR230591  Dysphania multifida Mike Misenhelter 2011-8-9 s.n. Los Angeles San Gabriel Valley, Walnut, along south side of Hwy 60 near Walnut Dr. and east of the Fairway exit, near Royal Vista Golf Course 159 Comment
  RSA550685  Echinochloa crus-galli Anonymous, Annette Ross 1991-7-29 5720 Los Angeles Elephant Hill [34 deg 03'05N, 117 deg 47'45W]: N-most point of the Puente Hills, W of Pomona, T1S R9W W2/3 S/2 sect.26 (projected from sect 35) on San Dimas USGS 7.5 quad. 229 Comment
  RSA609587  Echinochloa crus-galli L. C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mountains: Head of Whitney Canyon at Santa Clara Divide Road. 915 Comment
  CATA1889  Ehrharta calycina Lauren K. Danner 2006-3-7 Los Angeles Santa Catalina Island: Residential road in Middle Ranch by Herman's turnoff 0 Comment
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Apr 13 2015
  CAS-BOT-BC197294  Ehrharta erecta Pamela Conway; LeRoy Gross 2010-12-27 1 Los Angeles Transverse Ranges; San Gabriel Mountains region: Little Santa Anita Canyon; Short distance west from the old Mt. Wilson toll road, along trail to Orchard Camp 395 Comment
  SD260870  Ehrharta erecta D. E. Bramlet 2010-1-12 4439 Los Angeles South Coast: Oxford Basin, Marina del Rey, between Admiralty Way & Washington Blvd., near bike path. 0 Comment
  UCR223465  Eleocharis R. G. Swinney 2009-5-28 10924 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  RSA365469  Eleocharis radicans L. C. Wheeler 1931-9-13 145 Los Angeles Puddingstone Dam, San Jose Hills. 274 Comment
  UCR127002  Elymus elymoides A. C. Sanders, Mark A. Elvin 2003-6-18 26942 Los Angeles Santa Susana Mountains, along road on crest of range from Salt Canyon, north of head of El Toro Canyon, Newhall Ranch 854 Comment
  UCR223360  Elymus elymoides R. G. Swinney 2009-5-20 10827 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  RSA339491  Elymus elymoides subsp. elymoides Wayne E. Sawyer 1980-7-3 7 Los Angeles Angeles National Forest: CA. Higway 2 between Dawson Saddle and junction of Higway 39, 1.6 mile from Dawson Saddle 2302 Comment
  RSA597562  Elymus elymoides subsp. elymoides Timothy S. Ross, Peter W. Fritsch, Steve Boyd, Orlando Mistretta 1990-6-22 3755 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone 1707 Comment
  RSA729846  Elymus glaucus R. G. Swinney 1999-6-21 7351 Los Angeles spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
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Apr 30 2009
  SEINET954732  Elymus glaucus A. C. Sanders 2003-1 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
  UCR223573  Elymus glaucus R. G. Swinney 2009-6-3 11033 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
  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
  RSA330753  Elymus glaucus subsp. glaucus Wayne E. Sawyer 1981-6-29 67 Los Angeles San Gabriel Mountains, Angeles National Forest: CA Hwy. 2 between Dawson Saddle and junction of CA Hwy. 39, 1.6 mile from Dawson Saddle. 2317 Comment
  UCR50877  Elymus triticoides A. C. Sanders 1988-5-18 7841 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  RSA115039  Emmenanthe penduliflora E. K. Balls 1955-7-25 20980 Los Angeles Claremont, San Gabriel Mts. Comment
  RSA137875  Emmenanthe penduliflora Robert F. Thorne 1966-4-7 35972 Los Angeles Santa Catalina Island: Howland Landing canyon near road to Johnson s Landing. 23 Comment
  RSA654014  Emmenanthe penduliflora var. penduliflora Valerie L. Soza, Laura Moore 2000-5-10 848 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines, W of peak ''1936''. 564 Comment
  UC129021  Encelia actoni H. M. Hall and H. P. Chandler 1906-6-12 7402 Los Angeles San Francisquito Canyon Southern California Deserts, San Francisquito Canyon 548 Comment
  UCR180367  Encelia actoni Scott D. White, Andrea Warniment 2006-7-7 11627 Los Angeles SE Tehachapi Mtns, Gorman area, west of the I-5 Freeway at SR-138 interchange 1037 Comment
  SD92015  Encelia californica Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-24 22698 Los Angeles San Clemente Island 110 Comment
  RSA641432  Endolepis covillei L. C. Wheeler 1967-7-23 10169 Los Angeles San Gabriel Mountains: San Andreas Rift Zone. Mojave Desert slope; Barrel Springs. Comment
  CAS-BOT-BC81811  Ephedra nevadensis H. E. Hasse 1893-5-21 s.n. Los Angeles Acton Comment
  UCR123643  Ephedra nevadensis Steven R. Hill, K. Kramer 2001-4-22 33362 Los Angeles San Gabriel Mtns./SW Mojave Desert, Elizabeth Lake Road, 9.7 mi by road SSW of the junction with Johnson Road, vicinity of Bee Canyon 549 Comment
  UCR276941  Ephedra nevadensis R. G. Swinney 2010-5-21 12870 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
  SBBG131595  Epilobium brachycarpum S. A. Junak 1999-7-15 SCa 1019 Los Angeles KBRT Rd, W side of Coffeee Pot Cyn,, just upstream from rd crossing 414 Comment
  RSA764478  Epilobium canum subsp. angustifolium Doris Bowers 1954-08 415 Los Angeles Arroyo Seca, Pasadena 305 Comment
  CAS-BOT-BC166188  Epilobium canum subsp. canum R. J. Dobbs 1924-8-6 s.n. Los Angeles 4/5 mile north of Swetzer [Switzer] Stream Trail Comment
  CAS-BOT-BC166206  Epilobium canum subsp. canum Steven A. Junak 1996-9-28 SCI- 677 Los Angeles San Clemente Island: W side of island, in Box Canyon, ca. 0.5 miles downstream from Triangulation Point Snapper 304 Comment
  RSA588403  Epilobium canum subsp. canum T. S. Clare, G. R. Johnstone 1929-10-20 s.n. Los Angeles Eaton Canyon Rd. San Gabriel Mts. 915 Comment
  UC1122313  Epilobium canum subsp. canum A. D. Gifford 1935-1-7 405 Los Angeles 6 1/2 mi ese Whitaker Pk. (near plot #102); Tejon Quadrangle Comment
  UC557763  Epilobium canum subsp. canum Nell Murbarger April, 1936 11 Los Angeles San Clemente Island Comment
  CAS-BOT-BC171923  Epilobium canum subsp. latifolium Louis C. Wheeler 1931-9-20 153 Los Angeles Barrett Canyon, off San Antonio Canyon, San Gabriel Mts. 1310 Comment
  POM308134  Epilobium canum subsp. latifolium Henry J. Ramsey 1937-9-2 2941 Los Angeles 2 miles below Mt. Wilson. 1524 Comment
  UC55380  Epilobium canum subsp. latifolium J. H. Barber 1897-7-11 252 Los Angeles Mt. Gleason Summit Comment
  UC56057  Epilobium ciliatum subsp. ciliatum J. H. Barber 1898-8-3 Los Angeles Topango Comment
  RSA600429  Epilobium paniculatum Louis C. Wheeler 1932-9-14 1383 Los Angeles Santa Monica Mountains: Sepulveda Canyon. 183 Comment
  CATA2948  Epipactis gigantea Sarah Ratay, Jack Baldelli 2011-4-13 134 Los Angeles Santa Catalina Island: In ""Fern Grotto"", side canyon W of Coffeepot Canyon, near Thunder Beach, population starts just upstream from old road crossing 233 Comment
  SEINET10296517  Epipactis gigantea Unknown 1960-5-30 24132 Los Angeles In sun and semishade, in seep, lime, steep cliff-like banks. San Gabriel Canyon, 2. 5 mi. from Azusa, Los Angeles Co. Alt. 800. Comment
  IRVC28718  Equisetum hyemale A. C. Sanders, Mark A. Elvin 2002-8-26 25583 Los Angeles Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near "Airport Mesa" Northeastern Santa Susana Mtns./Santa Clara River Watershed 305 Comment
  UCR109146  Equisetum hyemale subsp. affine L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mtns, Oak Spring, Oak Spring Canyon, off Little Tujunga 793 Comment
  RSA651074  Equisetum hyemale var. affine Harvey Kennedy 1949-2-13 s.n. Los Angeles San Dimas Canyon. 609 Comment
  SDSU1099  Eragrostis cilianensis F. Youngberg Los Angeles Orange Orchard near Claremont Comment
  UC817580  Eragrostis cilianensis Louis C. Wheeler 1932-8-13 1131 Los Angeles 2 mi n Claremont 411 Comment
  RSA601159B  Eragrostis mexicana subsp. virescens L. C. Wheeler 1966-10-22 9047 Los Angeles Grandad's Ranch, Aliso Canyon. Comment
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Nov 23 2015
  POM2787  Eremocarpus setiger M. Hitchcock 1918-07 3 Los Angeles Van Nuys Comment
  SEINET12278715  Eriastrum densifolium J. F. Bright, Wyman, C. 1932-1 7964 Los Angeles Hollywood Comment
  CHSC5091  Eriastrum densifolium subsp. austromontanum M. MacArthur 1967-7-16 76 Los Angeles Charlton flat about 1 mi. from Angeles Crest Hwy., below parking area #12, Angeles National Forest, San Gabriel Mts. Near path. 1524 Comment
  UCR189984  Eriastrum densifolium subsp. densifolium R. G. Swinney 1998-9-4 6896 Los Angeles San Gabriel Mtns., dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi. east of Hwy 2 on 3N06 2241 Comment
  JEPS123266  Eriastrum rosamondense David Gowen 2005-5-21 351 Los Angeles Hwy 138 (West Ave. D) west of Lancaster. Areas on both sides of the road at the intersection with 30th St. West. Comment
  CLARK-A1528-3495  Eriastrum sapphirinum John C. Roos 1937-7-7 1768 Los Angeles La Crescenta Comment
  UCSB9190  Eriastrum sapphirinum subsp. dasyanthum McElwain, I. 1953-5-17 Los Angeles Bull Canyon Rd., Granada Hills 457 Comment
  CAS-BOT-BC514983  Eriastrum sapphirinum subsp. dasyanthum C. B. Wolf 1931-7-2 2262 Los Angeles Little Tujunga Wash, 0.5 mi above the bridge on the road from Sunland to San Fernando 335 Comment
  CAS-BOT-BC515033  Eriastrum sapphirinum subsp. sapphirinum Fordyce Grinnell, Jr. 1917-6-30 s.n. Los Angeles Altadena 475 Comment
  RSA0111941  Ericameria cooperi Richard G. Swinney 2011-4-19 14416 Los Angeles San Gabriel Mountains: San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  CAS-BOT-BC131690  Ericameria cooperi var. cooperi Ira L. Wiggins 1966-9-23 20638 Los Angeles E of 145 Street E, between Palmdale Boulevard and Avenue O, north of Pearblossom; [Mohave] Mojave Desert Comment
  UCR139122  Ericameria cooperi var. cooperi L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mtns, Spring c. 2/3 mi. east of Juniper Bowl, Juniper Hills 1159 Comment
  RSA585151  Ericameria linearifolia Timothy S. Ross, Steve Boyd 1990-5-31 2736 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  RSA587340  Ericameria linearifolia Orlando Mistretta 1992-5-4 217 Los Angeles Little Rock Creek, Alimony Ridge 1463 Comment
  RSA606011  Ericameria linearifolia L. C. Wheeler 1968-5-31 s.n. Los Angeles Devil's Canyon, Campground Vicinity. 1220 Comment
  UCR108226  Ericameria linearifolia L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mtns., Aliso Canyon c. 0.5 mi SSW of Blum Ranch 945 Comment
  SEINET3146539  Ericameria monactis H. M. Hall, H. P. Chandler 1906-6-11 7389 Los Angeles near Lancaster; S CA Comment
  UCR209248  Ericameria nauseosa R. G. Swinney 2008-10-8 9532 Los Angeles San Gabriel Mtns., Table Mountain West, north of Big Pines 2291 Comment
  UCR124869  Ericameria palmeri B. C. Templeton 1962-9-27 9372 Los Angeles Southern Coastal Plain, Los Angeles [Westlake near Macarthur Park], near 6th St. and Coronado St. 107 Comment
  CATA402  Ericameria palmeri var. pachylepis Mark L. Hoefs, A. Douglas Propst & Robert F. Thorne 1974-9-12 528 Los Angeles Santa Catalina Island: Above Empire Landing 60 Comment
  CAS-BOT-BC293154  Ericameria pinifolia H. E. McMinn 1925-8-6 1557 Los Angeles Sawpit Canon [Canyon] Wash Comment
  JEPS22856  Ericameria pinifolia A. D. Gifford 1935-1-24 419 Los Angeles 4.2 mi sw Red Mountain; Tejon Quad., Charlie Canyon 487 Comment
  SBBG62805  Ericameria pinifolia R. Hoffmann 1931-10-1 Los Angeles Mint Cyn, near Oak's Garage Comment
  RSA0022952  Erigeron breweri var. covillei Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5131 Los Angeles San Gabriel Mountains region: Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA254332  Erigeron breweri var. covillei C. W. Tilforth 1973-5-24 821 Los Angeles Bob's Gap, c. 2 mi. ENE of Valyermo, Holcomb Ridge. Comment
  UC1375424  Erigeron divergens R. F. and M. Z. Thorne 1969-7-10 38407 Los Angeles just e Big Pines Ranger Station; San Gabriel Mts., Angeles National Forest 2072 Comment
  SD239590  Erigeron foliosus R. G. Swinney 2008-7-16 9244 Los Angeles San Gabriel Mtns.: Will Thrall Peak, west of Burkhart Saddle. 2378 Comment
  UCR223768  Erigeron foliosus R. G. Swinney 2009-6-17 11184 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  RSA188510  Erigeron foliosus var. foliosus R. F. Thorne, John Olmsted 1965-8-26 35377 Los Angeles San Gabriel Mts.: Angeles National Forest, Camp Lupine near Prairie Fork. 2012 Comment
  RSA586664  Erigeron foliosus var. foliosus Orlando Mistretta 1995-6-1 1760 Los Angeles San Gabriel Mountains: Carr Canyon. 1037 Comment
  SBBG95261  Erigeron foliosus var. foliosus M. B. Dunkle 1928-5-28 1982 Los Angeles Avalon Cyn (by school) Comment
  CAS-BOT-BC296173  Erigeron foliosus var. foliosus G. B. Grant 190__ s.n. Los Angeles Monrovia Comment
  RSA0077389  Erigeron foliosus var. stenophyllus Orlando Mistretta 1992-7-13 681 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  RSA785589  Eriodictyon crassifolium Doris Bowers 1957-5-12 905 Los Angeles Arroyo Seco, Pasadena. 457 Comment
  CAS-BOT-BC189150  Eriodictyon crassifolium var. nigrescens Timothy S. Ross; Steve Boyd 1994-5-10 7691 Los Angeles Saddle divide between East Fork Fish Canyon and Warm Springs Canyon, vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132), ca 2920 meters NNW of Warm Springs Mountain summit 585 Comment
  UC144150  Eriodictyon crassifolium var. nigrescens H. M. Hall and H. P. Chandler 1906-6-12 7400 Los Angeles San Francisquito Canyon 914 Comment
  UCR273373  Eriodictyon parryi R. G. Swinney 2011-6-22 15265 Los Angeles San Gabriel Mountains, Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy 1790 Comment
  CAS-BOT-BC222687  Eriodictyon trichocalyx John Thomas Howell 1947-7-18 23421 Los Angeles Blue Ridge, San Gabriel Mts. 2590 Comment
  CAS-BOT-BC248471  Eriogonum angulosum Lester Rowntree 1937-11-15 s.n. Los Angeles Near Palmdale on Mint Canon [Canyon] Road Comment
  RSA0127041  Eriogonum angulosum R. G. Swinney 2014-4-17 16104 Los Angeles San Gabriel Mountains/Mojave Desert: SW of Littlerock, 1.2 miles east of Cheseboro Rd., 100-400 m south of California Aqueduct. 896 Comment
  SBBG61856  Eriogonum baileyi R. Hoffmann 1927-8-30 Los Angeles 2 mi W of Acton Comment
  RSA597195  Eriogonum baileyi var. baileyi Tim S. Ross, Peter Fritsch, S. D. Boyd, Orlando Mistretta 1990-6-22 3722 Los Angeles San Gabriel Mountains, Pinyon Ridge: eastern half of the ridge, directly N of Fenner Canyon. 1939 Comment
  SFV6867  Eriogonum brachyanthum T. Gordon, K. A. Wilson, D. R. Perry 1974-8-14 567 Los Angeles Mojave Desert County Road N4 about 0.5 miles south of Highway 138. 1070 Comment
  UCSC011210  Eriogonum brachyanthum Adam Searcy 2015-7-24 70 Los Angeles Santa Clarita, Vista Canyon Ranch, Santa Clara River Comment
  CAS-BOT-BC241980  Eriogonum cinereum Le Roy Abrams 1901-8-1 2193 Los Angeles Santa Monica Comment
  CAS-BOT-BC241931  Eriogonum cithariforme Joseph Andorfer Ewan 1932-6-14 7404 Los Angeles Above Sulphur Sprs., E. of Pacifico Mt, San Gabriel Mts. 1676 Comment
  RSA491736  Eriogonum davidsonii James L. Reveal, R. Broome 1987-6-26 6579 Los Angeles San Gabriel Mountains: along the Angeles Crest Highway (California Highway 2) a Blue Ridge Summit, 2 miles west of Big Pines 2248 Comment
  UC545881  Eriogonum elongatum var. elongatum Carl B. Wolf 1932-10-19 4352 Los Angeles 1 1/2 mi n, s base of Ridge Route Castaic; Ridge Route 548 Comment
  CAS-BOT-BC249767  Eriogonum elongatum var. elongatum Peter H. Raven 1957-9-21 11335 Los Angeles At northwest end of campus of University of California at Los Angeles Comment
  CAS-BOT-BC249779  Eriogonum elongatum var. elongatum P. Bunch 1974-8-15 0499 Los Angeles So. of Archery Field, Castaic Comment
  OBI35614  Eriogonum fasciculatum Rebecca Cicoria 1981-4-24 20 Los Angeles Purple Cyn, one mi from Crest rd, Rolling HIlls Comment
  RSA782512  Eriogonum fasciculatum Anna Kostikova, Glenn Litsios, Sarah Burgy 2010-6-16 1 Los Angeles Angeles National Forest: Sawmill Mountain. Road 7N08 turn from Co Hwy N2, first major dirt road crossing. Comment
  UCR140596  Eriogonum fasciculatum subsp. polifolium Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-16 1- 3 Los Angeles Western Transverse Range, Acton [near Red Rover Mine], Escondido Canyon off Route 14, Site L1 950 Comment
  UC83223  Eriogonum fasciculatum var. foliolosum Le Roy Abrams 1902-7-5 1559 Los Angeles Azusa Comment
  RSA532834  Eriogonum fasciculatum var. polifolium Tim S. Ross 1991-8-14 5793 Los Angeles San Gabriel Mountains: Pacifico Mountain Road, 3200 feet NW of Alder Saddle. 1768 Comment
  UC220996  Eriogonum fasciculatum var. polifolium A. D. E. Elmer June 1902 3661 Los Angeles Palmdale Comment
  UCR211098  Eriogonum giganteum Joseph Cahill 2009-7-22 3167 Los Angeles South Coast, Malibu Lagoon 1 Comment
  CAS-BOT-BC253463  Eriogonum gracile Frank W. Peirson 1928-9-4 8184 Los Angeles Mohave Desert east of Palmdale Comment
  SBBG125865  Eriogonum gracile var. gracile A. Parikh, N. Gale 2010-6-4 3257 Los Angeles Sierra Pelona, 2.9 km W of State Hwy 14, 1.2 km S of Avenue S; E Liebre Mtns 995 Comment
  SEINET7856448  Eriogonum gracile var. gracile M. A. Elvin 2003-8-13 2985 Los Angeles Santa Clarita Valley; Newhall Ranch, Santa Clara River at the mouth of Long Canyon. 274 Comment
  SD79036  Eriogonum grande var. grande R. M. Beauchamp 1966-8-8 49 Los Angeles rocky cliff along road south of Avalon, Santa Catalina Island 449 Comment
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Apr 11 2012
  POM2269  Eriogonum inflatum var. inflatum Marjorie Shaw, Edna Spaudling, C. L. Walton 1917-4-6 s.n. Los Angeles Antelope Valley. Comment
  SD232302  Eriogonum mohavense Scott D. White 2003-6-8 9514 Los Angeles W. Mojave Desert; near Lake Los Angeles. North of Avenue O and E of 150th St.E. (Lovejoy Buttes) 801 Comment
  LA82474  Eriogonum parvifolium O. H. Kappler; 1943-9-11 532 Los Angeles Comment
  UC66746  Eriogonum parvifolium N. K. Berg 1904-3-7 Los Angeles Santa Monica Comment
  CAS-BOT-BC258074  Eriogonum plumatella Dr. A. Davidson 1893-7-1 s.n. Los Angeles Rock Creek, Mojave Desert Comment
  RSA0106829  Eriogonum saxatile R. G. Swinney 2011-8-5 15613 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
  UC1375429  Eriogonum saxatile Robert F. Thorne 1969-7-2 38301 Los Angeles 3.2 mi wsw along Angeles Crest Hwy. Cloudburst Summit; San Gabriel Mts, Angeles National Forest 1981 Comment
  RSA766272  Eriogonum saxatile Joseph A. Ewan 1936-7-29 9874 Los Angeles So. end of Summit of Table Mt. 2134 Comment
  UC1537272  Eriogonum saxatile Gordon H. True 1935-5-17 305 Los Angeles s Littlerock 914 Comment
  RSA0081128  Eriogonum thurberi R. G. Swinney 2010-6-29 13386 Los Angeles Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center. 305 Comment
  CAS-BOT-BC265008  Eriogonum wrightii var. subscaposum John Thomas Howell 1927-11-13 3199 Los Angeles 1 1/2 miles east of Elizabeth Lake on road to Willow Springs, Liebre Mts. 914 Comment
  UCR245432  Eriogonum wrightii var. subscaposum Elizabeth A. Kempton, Eric Paul 2006-8-5 422 Los Angeles San Gabriel Mountains, along Hwy 2 at mile marker 59, 1.2 mi west of Krafka Ski Ridge Resort, 2 mi east of Buckhorn Flat Campground 1998 Comment
  CAS-BOT-BC297941  Eriophyllum confertiflorum I. M. Johnston 1917-7-3 1405 Los Angeles San Antonio Mts. San Antonio Canon 2438 Comment
  RSA40260  Eriophyllum confertiflorum L. S. Rose 1946-7-21 46234 Los Angeles S slope of Cahuenga Peak. 305 Comment
  RSA670349  Eriophyllum confertiflorum B. C. Templeton 1931-5-17 1214 Los Angeles Bouquet Canyon, San Gabriel Mountains. Comment
  UCR124546  Eriophyllum confertiflorum B. C. Templeton 1932-7-21 5036 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  CAS-BOT-BC297931  Eriophyllum confertiflorum Geo. B. Grant No date on label 6420 Los Angeles Unspecified Comment
  POM357939  Eriophyllum confertiflorum var. confertiflorum Fordyce Grinnell Jr. 1910-06 s.n. Los Angeles San Gabriel Mountains. Comment
  RSA276002  Eriophyllum confertiflorum var. confertiflorum Jack Delaini 1974-5-9 190 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles national Forest 533 Comment
  RSA482518  Eriophyllum confertiflorum var. confertiflorum Richard Noyes, L. Arnseth 1988-4-30 502 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Dry drainage bed 100 meters east of Thompson Creek Dam. 500 Comment
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Sep 17 2014
  UC1118341  Eriophyllum confertiflorum var. confertiflorum G. T. Nordstrom 1935-3-25 404 Los Angeles 1.75 mi se of mouth of Beartrap Canyon; Santa Barbara National Forest, Tejon Quadrangle 792 Comment
  UC642462  Eriophyllum confertiflorum var. confertiflorum Joseph Andorfer Ewan 1933-6-17 10826 Los Angeles canyon bottom Temescal Canyon; Santa Monica Mts., Temescal Canyon Comment
  POM358114  Eriophyllum pringlei S. B. Parish, Louis Greata 1901-05 s.n. Los Angeles Beauchamps, Mojave Desert. [Burcham's, = Las Flores Ranch near Mojave River] Comment
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Sep 14 2019
  CAS-BOT-BC308392  Eriophyllum pringlei F. W. Peirson 1926-4-26 6656 Los Angeles About 1 mile east of Palmdale, southwestern Mojave Desert Comment
  RSA252913  Eriophyllum wallacei R. F. Thorne, C. W. Tiforth 1973-4-20 43058 Los Angeles San Gabriel Mts., Mojave Desert slopes: 3.2 miles S of Hwy 138 along Grandview Canyon Rd. 1280 Comment
  UCR197221  Erodium botrys Valerie Soza, Ileene Anderson, LeRoy Gross 2000-6-6 976 Los Angeles Verdugo Mountains, southwest side, north of Chandler Fire Road (Verdugo Motorway), north of 'La Tuna,' above Chandler and Fisher canyons, south of La Tuna Canyon 488 Comment
  RSA526144  Erodium botrys Steve Boyd, T. S. Ross, L. Arnseth 1990-4-6 4138 Los Angeles San Clemente Island: Stone House field station on E side of island, headland between Stone & Burns Canyons. 457 Comment
  UCD103102  Erodium botrys Louis C. Wheeler 1947-4-13 6467 Los Angeles Rio Hondo: 1/4 mile upstream from Rosemead Boulevard near El Monte. Comment
  RSA391786  Erodium cicutarium M. B. Dunkle 1929-3-17 2063 Los Angeles Cape Canyon, Catalina Island Comment
  RSA570280  Erodium cicutarium Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4956 Los Angeles Soledad Canyon Wash: about half mile E of Acton. 829 Comment
  RSA592264  Erodium cicutarium Louis C. Wheeler 1967-5-12 9485 Los Angeles San Gabriel Mountains. Between summits 4174 and 4183, east of Vincent. 1250 Comment
  UCD103188  Erodium cicutarium Geoffrey Levin 1974-4-22 24 Los Angeles Wash (Blanchard Park), Pomona College, Claremont. Comment
  UCSB3541  Erodium cicutarium Beach, Kay 1957-1 Los Angeles San Dimas Exp. Forest; Volfe Canyon crossing of 2100 trail Comment
  RSA390933  Erodium moschatum F. R. Fosberg 1931-4-10 689 Los Angeles Santa Catalina Island. Avalon Valley, Chicken Johnny s. 40 Comment
  RSA390925  Erodium moschatum Edwin Kline 1924-4-19 s.n. Los Angeles Near Brookside Park, Pasadena Comment
  POM188351  Erysimum capitatum var. capitatum P. A. Munz, T. Craig 1933-5-13 12942 Los Angeles 10 miles south of Muroc Comment
  UCSB2337  Erysimum capitatum var. capitatum Haller, John 1957-4-13 Los Angeles In upper Mint Canyon, ca. 5 rd. mi. E. of rd. to Acton and 10 rd. mi. W. of Angeles Forest Hwy. 914 Comment
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Aug 25 2014
  LA204350  Erysimum capitatum var. capitatum Virginia Mars; 1951-4-21 sn Los Angeles US Hwy 6, 3 mi before turnoff for Angelus Crest Comment
  RSA530276  Erysimum capitatum var. capitatum Gale Sphon 1959-4-4 288 Los Angeles 4 miles north of Big Rock Public Camp, Angeles national Forest Comment
  RSA0104909  Eschscholzia californica R. G. Swinney 2011-7-7 15419 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  UCR123809  Eschscholzia californica Steven R. Hill, K. Kramer 2001-4-22 33334 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
  CAS-BOT-BC403161  Eschscholzia californica Carl B. Wolf No date on label 3542 Los Angeles Santa Catalina Island. Along ridge, S.E. of the golf links, Avalon 274 Comment
  UCD95322  Eschscholzia californica Geoffrey Levin 1974-4-22 22 Los Angeles Wash (Blanchard Park,) Pomona College, Claremonte. Alluvial fan of Mt. San Antonio (San Gabriel Mountains.) Comment
  POM148433  Eschscholzia californica var. peninsularis L. R. Abrams 1901-04 1319 Los Angeles San Fernando Mts. 762 Comment
  POM12314  Eschscholzia californica var. peninsularis F. L. Robinson 1921-5-9 75 Los Angeles Claremont. Comment
  UCR193478  Eucalyptus camaldulensis R. G. Swinney 1999-4-8 7072 Los Angeles San Gabriel Mtns., Claremont, north of Via Santa Catarina and Mountain Ave. 488 Comment
  SDSU6019  Eucrypta chrysanthemifolia Gerald Collier 1951-4-22 M 408 Los Angeles Santa Monica Mtns. Sunset Blvd about 1 mile east of the ocean, in a Ravine on north side of road. Comment
  UC423048  Eulobus californicus Geo. B. Grant June 1904 430 Los Angeles Pasadena Comment
  SEINET10739475  Euphorbia David B. Dunn 1948-2-28 Dunn 3698 Los Angeles Collected on the south side of the house. 8112 Mt. View, South Gate, CA. Comment
  PASA693  Euphorbia albomarginata Ruth M. Evans 1931-3-15 Los Angeles Lone Hill, Glendora Comment
  RSA779450  Euphorbia albomarginata R. G. Swinney 2009-6-17 11221 Los Angeles Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  UCR99439  Euphorbia helioscopia L. C. Wheeler 1951-3-10 6799 Los Angeles Pasadena. 955 South Orange Grove Ave. 249 Comment
  RSA612078  Euphorbia peplus Valerie L. Soza 1998-4-26 67 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, SE of pHake Lake, N of Foothill Boulevard. [Coordinates given are] at center of BFS. 411 Comment
  SFV21751  Euphorbia peplus A. M. Hodges 2010-4-5 s. n. Los Angeles Los Angeles Basin Marina Del Rey, Ballona Creek. Between creek and bike path near UCLA boathouse. 2 Comment
  SBBG31431  Festuca arundinacea R. F. Thorne 1967-5-18 36861 Los Angeles Middle Bullrush Cyn 243 Comment
  SBBG32099  Festuca microstachys R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -182 Los Angeles upper E branch of Wild Boar Gully, Salta Verde Comment
  SBBG56726  Festuca microstachys var. pauciflora R. Hoffmann 1929-4-5 Los Angeles Palmdale Comment
  LA13078  Festuca myuros A. M. Johnson; 1937-11-1 92 Los Angeles Del Rey Comment
  RSA0104991  Festuca myuros R. G. Swinney 2011-3-18 14147 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail. 366 Comment
  UCR205124  Festuca myuros R. G. Swinney 2008-4-17 8686 Los Angeles San Gabriel Mtns., San Dimas, ridge between Sycamore and Shay canyons 497 Comment
  SD98681  Festuca ovina var. glauca Jack L. Reveal 1977-6-12 1981 Los Angeles Granada Hills; on the 11700 block of Densmore 199 Comment
  CAS-BOT-BC412805  Ficus carica R. E. Riefner, Jr. 1998-7-15 98 -447 Los Angeles City of Walnut, Lemon Creek, vicinity Meadow Pass Rd. at Landaluce Ln. 208 Comment
  RSA710283  Ficus microcarpa A. C. Sanders, Lee Jones 2005-4-8 29358 Los Angeles South Coast: Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente. 2 Comment
  RSA188203  Filago californica R. F. Thorne, Percy C. Everett 1965-6-22 34913 Los Angeles Santa Catalina Island, above Avalon. 152 Comment
  RSA574340  Filago californica R. G. Swinney 1994-5-7 2830 Los Angeles Glendora Wilderness park, 0.4 mi N of Big Dalton Canyon Rd. at Mystic Canyon Trail. On ridgetop ca. 50 m E of Trail. 457 Comment
  RSA534053  Filago californica Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5300 Los Angeles San Clemente Island: Westerly fork of Near Death Canyon, draining to Mosquito Cove (drainage beginning 800ft N of Rest 1336ft marker, 1800ft SE of Malo Knoll (1396ft). 274 Comment
  SEINET269178  Filago gallica Scott D. White, Chet McGaugh 1995-5-16 3063 Los Angeles E edge of Santa Susana Mts. W of San Gabriel Mts. 'Sunshine Cyn'. W of San Fernando Rd. and I-5 Fwy just SW of intercha 457 Comment
  RSA656218  Filago gallica Joseph M. Keefe 1978-5-11 22916 Los Angeles Verdugo Mountains: Stough Canyon, Firebreak Road, 0.5 km north of DeBell Golf Course, foothills of Verdugo Mtns, Burbank. 457 Comment
  RSA579133  Foeniculum vulgare T. S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, Darin Banks, Megan Tommerup 1994-3-28 7442 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 White Point., Near 33 deg. 43 33.5 , 118 deg. 20 28 W 8 Comment
  RSA464912  Fraxinus dipetala Fordyce Grinnell Jr. 1917-3-31 s.n. Los Angeles Santa Susana Mts, near Newhall Pass Comment
  CAS-BOT-BC211008  Fraxinus velutina Louis C. Wheeler 1933-8-20 2091 Los Angeles 1/2 mi. below Pine Canyon Dam, San Gabriel Canyon, San Gabriel Mts. 289 Comment
  RSA712721  Fraxinus velutina A. C. Sanders 2003-3-14 25773 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd., north edge of 210 freeway east of the San Gabriel River channel. 159 Comment
  RSA162693  Fremontodendron mexicanum J. D. Olmsted 1958-3-11 56 Los Angeles Along SE edge of Blanchard Park; oak woodland with gradual southward drainage along San Antonio Creek on Pomona College campus 366 Comment
  RSA367721  Fritillaria biflora Geo L. Moxley 1914-2-15 204 Los Angeles Hills n.w. of Highland Park Comment
  CAS-BOT-BC304332  Galinsoga parviflora Geo. B. Grant 1902-10-26 s.n. Los Angeles Los Angeles Comment
  RSA0030912  Galinsoga parviflora Frank W. Peirson 1931-4-11 9375 Los Angeles At 1077 New York Drive, Altadena. Comment
  POM173340  Galinsoga parviflora var. parviflora R. L. Armacost 1928-9-30 s.n. Los Angeles Sawtelle. Comment
  POM294255  Galinsoga parviflora var. parviflora Lyman Benson 1944-11-2 11554 Los Angeles Claremont. 366 Comment
  SEINET3146814  Galinsoga parviflora var. parviflora E. Braunton 1902-10-2 716 Los Angeles Vernon; S CA Comment
  RSA600054  Galium andrewsii Steve D. Boyd, Lauren Raz 1997-5-20 9809 Los Angeles Liebre Mountains region: Northern flank of Sawmill Mountain, upper Heryford Canyon drainage, just northeast of Sawmill Summit at the junction of Forest Service roads 7N23 and 7N08. 1341 Comment
  CAS-BOT-BC223023  Galium angustifolium A. C. Sanders; T. B. Salvato 2009-5-29 37035 Los Angeles San Gabriel Valley: Irwindale at NW edge of Baldwin Park, under SCE power lines NW of San Gabriel River and SE of 605 Fwy, S of Live Oak Ave. 114 Comment
  JEPS114013  Galium angustifolium subsp. angustifolium Timothy S. Ross and Steve Boyd 1994-5-10 7701 Los Angeles Saddle divide between E. Fork Fish Canyon and Warm Springs Canyon; vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132), NNW of Warm Springs Mountain summit. Comment
  RSA229182  Galium angustifolium subsp. angustifolium Robert F. Thorne, C. W. Tilforth 1971-6-30 40736 Los Angeles Big Rock Creek above Sycamore Flat. 1402 Comment
  SBBG68830  Galium angustifolium subsp. angustifolium R. Hoffmann 1927-5-14 Los Angeles E end of Pine Cyn Comment
  UC416624  Galium angustifolium subsp. angustifolium J. Grinnell 1903-6-27 Los Angeles Arroyo Seco Pasadena Comment
  POM367618  Galium aparine L. E. Hoffman s.n. Los Angeles Millard's Canyon, Angeles Forest. Comment
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Jan 1 2017
  POM367747  Galium aparine Donald R. Bissing 1973-6-2 105 Los Angeles Evey Canyon; San Gabriel Mountains. 707 Comment
  UCR216898  Galium aparine R. G. Swinney 2009-3-11 10090 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  SD21266  Galium catalinense Norman E. Bilderback 1938-4-23 Los Angeles Catalina Harbor Comment
  RSA678489  Galium catalinense subsp. acrispum Mark A. Elvin, Dylan Hannon, Gery Allan, Curtis Clark, Steve Burckhalter 1996-4-20 158 Los Angeles San Clemente Island. Second canyon S of Bryce Canyon, on loamy banks along cyn floor. Comment
  SBBG132118  Galium catalinense subsp. acrispum S. A. Junak 1996-4-13 SCI 313 Los Angeles S fork of first cyn S of Bryce Cyn, upstream from fork in cyn 274 Comment
  SBBG132298  Galium catalinense subsp. acrispum S. A. Junak, B. Collins 1991-4-25 SCI- 230 Los Angeles overlooking E side of island, Triangulation Point "Jack" 259 Comment
  RSA678813  Galium grande Valerie L. Soza, Samantha Tessel 2001-6-18 1290 Los Angeles Upper Winter Creek Trail, above Santa Anita Canyon, ca. 1.5 miles from trailhead out of Chantry Flat area. 823 Comment
  RSA678820  Galium grande Valerie L. Soza, Monica Acosta 2001-6-19 1296 -a Los Angeles Mt. Wilson Trail helispot, west side Little Santa Anita Canyon, ca. 2 miles from the Mt. Wilson trailhead in Sierra Madre. 823 Comment
  UC2030076  Galium grande V. Soza, Monica Acosta 2001-6-20 1297 Los Angeles Transverse Ranges, San Gabriel Mountains region: Van Tassel Ridge, south side of Van Tassel Ridge road (FS Road 1N36A), 0.2 mile east of function with Van Tassel Truck Trail (FS Road 1N36), east side of Mt. Bliss. Comment
  SEINET11616248  Galium hallii V. Soza 2004-6-17 1724 b Los Angeles San Gabriel Mountains, along Hwy 2, at Vincent Gap trailhead to Mt. Baden-Powell. 2027 Comment
  RSA229175  Galium jepsonii Robert F. Thorne, C. W. Tilforth 1971-6-30 40746 Los Angeles Pacifico Mountain 1951 Comment
  RSA609101  Galium johnstonii Louis C. Wheeler 1968-8-7 s.n. Los Angeles San Gabriel Mountains: Divide between West Fork Bear Creek and Devils Canyon. 1799 Comment
  RSA233378  Galium nuttallii Arthur C. Gibson, Linda C. Gibson 1972-3-4 2781 Los Angeles Dume road near Point Dume. Comment
  CATA1947  Galium nuttallii subsp. insulare Reid Moran 1941-3-11 700 Los Angeles Santa Catalina Island: Ridge N of Middle Ranch 228 Comment
  RSA702360  Galium porrigens Scott D. White, Pam De Vries 2004-6-14 10499 -A Los Angeles Eastern Santa Susana Mountains. West of the I-5 Freeway, ca. 4 mi N of I-5 / SH-14 jtn and 6 mi S of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  SEINET12285750  Galium stellatum J. F. Bright, Wyman, C. 1931-1 5584 Los Angeles back of Manhattan Beach Comment
  POM367827  Galium trifidum var. pacificum Louis Greata 1900-8-26 s.n. Los Angeles Cienega, L.A. Comment
  RSA424698A  Galvezia speciosa F. R. Fosberg 1931-7-15 S- 5415 Los Angeles Isthmus, Santa Catalina Island. 30 Comment
  RSA392411  Garrya elliptica H. de Forest, H. L. Bauer 1931-7-5 s.n. Los Angeles Santa Monica Mountains Comment
  RSA597121  Garrya flavescens Tim S. Ross 1990-6-22 3713 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon. 1939 Comment
  CAS-BOT-BC158014  Garrya veatchii Louis C. Wheeler 1932-1-15 435 Los Angeles San Antonio Wash 411 Comment
  RSA755899  Gayophytum R. G. Swinney 2008-6-17 9021 Los Angeles 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway. 1992 Comment
  RSA761715  Gayophytum R. G. Swinney 2008-10-10 9553 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  UCR189873  Gayophytum R. G. Swinney 1998-7-21 6484 Los Angeles San Gabriel Mtns., 0.8 mi. SE of junction of Pine Mountain Ridge and Fish Fork Trail 2256 Comment
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May 1 2012
  UCR124695  Gayophytum nuttallii B. C. Templeton 1932-6-1 4872 Los Angeles San Gabriel Mtns., Jackson Lake, Angeles National Forest 1930 Comment
  POM40090  Gazania splendens George B. Grant 1905-5-10 494 Los Angeles Pasadena. Comment
  SBBG67614  Geranium carolinianum M. N. Ackley -Apr-1926 371 Los Angeles Eagle Rock 182 Comment
  RSA773615  Gilia R. G. Swinney 2009-6-24 11241 Los Angeles summit of Granite Mountain 1988 Comment
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Dec 7 2018
  UCR192048  Gilia A. C. Sanders 2008-4-11 34845 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School, west of a N-S line through VABM 'Pine 995 Comment
  RSA0086542  Gilia achilleifolia subsp. achilleifolia R. G. Swinney 2011-5-3 14573 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  CHSC40022  Gilia angelensis LeRoy Abrams 1903-4-10 3245 Los Angeles Near Inglewood. Comment
  RSA470095  Gilia angelensis M. B. Dunkle 1939-3-20 5248 Los Angeles Palo Verdes Hills. Comment
  RSA777360  Gilia brecciarum subsp. brecciarum Orlando Mistretta, Christine Mistretta 2010-5-19 5115 Los Angeles Aliso Canyon; approximately 1.75 mile NW of the intersection of Aliso Cyn and the Angeles Forest Hwy. 1103 Comment
  UCR222809  Gilia brecciarum subsp. brecciarum R. G. Swinney 2009-5-13 10766 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
  UCR177497  Gilia brecciarum subsp. neglecta LeRoy Gross 2005-5-19 2277 Los Angeles Tehachapi Mountains, SE base of the mountains, just above the the W side of Cottonwood Creek 1174 Comment
  SEINET6045044  Gilia capitata Unknown 1996-4-25 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  RSA152186  Gilia capitata subsp. abrotanifolia Wesley O. Griesel 1962-4-29 s.n. Los Angeles Arroyo Seco near Brookside Park, Pasadena. 366 Comment
  UCR197219  Gilia capitata subsp. abrotanifolia Valerie Soza, LeRoy Gross, Adelina Munoz 2000-5-12 895 Los Angeles Transverse Ranges; Verdugo Mountains, northwest side, northwestern end of Verdugo Crestline Drive from New Home Avenue, Sunland. Ridge east of 210 Fwy and west of fire road, south (above) water tank 488 Comment
  LA90658  Gilia latiflora Ernie Small; 1967-5-7 sn Los Angeles Antelope Valley, Antelope Valley, S end of Edwards Air Force Base on 140th St Comment
  CAS-BOT-BC226317  Gilia latiflora subsp. davyi Ernest C. Twisselmann 1962-4-18 6974 Los Angeles Tehachapi Mountains. Oso Canyon, ca. 1 mile above the Oso Corral 1036 Comment
  CAS-BOT-BC226336  Gilia latiflora subsp. davyi Robert F. Thorne; G. Wallace 1973-4-25 43369 Los Angeles San Gabriel Mts., Mojave Desert slope: 1/4 mi N of Bob's Gap, 3.5 mi S of Llano, N slope of Holcomb Ridge 1188 Comment
  POM3440  Gilia latiflora subsp. davyi Marjorie Shaw, Edna S. Spaulding, C. L. Walton 1917-4-6 s.n. Los Angeles Bouquet Canyon. Comment
  CAS-BOT-BC226346  Gilia latiflora subsp. davyi Herbert L. Mason 1926-4-27 3060 Los Angeles Thirty miles west of Victorville, Mohave [Mojave] Desert Comment
  RSA469402  Gilia latiflora subsp. davyi Robert M. Perkins 1937-4-23 s.n. Los Angeles 3 miles south of Palmdale. Comment
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Aug 21 2007
  UC335341  Gilia latiflora subsp. davyi unknown March 1886 Los Angeles near Lancaster; near Lancaster Comment
  POM280099  Gilia latiflora subsp. latiflora Lyman Benson 1932-3-25 3146 Los Angeles Little Rock. 762 Comment
  RSA95660  Gilia latiflora subsp. latiflora Verne Grant 1955-4-16 9583 Los Angeles Along powerline road south of Hwy. 138 between Littlerock and Pearblossom. Comment
  RSA225987  Gilia leptantha subsp. transversa R. F. Thorne, C. W. Tilforth 1971-6-29 40690 Los Angeles ca. 3.6 miles down Aliso Canyon from junction with Angeles Forest Rd. 945 Comment
  RSA567174B  Gilia malior T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3912 -A Los Angeles Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. 1488 Comment
  UCR194029  Gilia modocensis R. G. Swinney 1999-5-22 7208 Los Angeles San Gabriel Mtns./Mojave Desert, Le Montaine Canyon, c. 0.5 mi. south of Camp Jubilee Rd. 1701 Comment
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May 3 2012
  RSA535276  Gilia nevinii T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5324 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons. 485 Comment
  RSA549897  Gilia nevinii Peter L. Morrell, Orlando Mistretta, L. Arsneth 1992-4-5 129 Los Angeles San Clemente Island: SE-facing slope in Guds area on extreme S end of island. 150 Comment
  SBBG89764  Gilia nevinii M. B. Dunkle 1939-4-6 7320 Los Angeles Mosquito Ridge Comment
  UCR129378  Gilia ochroleuca subsp. bizonata Orlando Mistretta 1995-4-11 1621 Los Angeles San Gabriel Mtns, Santiago Canyon. W-draining slopes of Santiago Canyon c. 1 mi SW of the confluence with Little Rock Creek 1159 Comment
  CAS-BOT-BC402020  Gilia ochroleuca subsp. bizonata Carl B. Wolf 1946-5-23 6994 Los Angeles Liebre Mts., 1/2 mi. E. of Gorman 1158 Comment
  RSA0016247  Gilia ochroleuca subsp. bizonata R. F. Thorne, Gary D. Wallace 1973-4-24 43432 Los Angeles Ft. Tejon Road near junction with Longview Road, c. 3 mi S of Pearblossom Road 1067 Comment
  RSA0017212  Gilia ochroleuca subsp. bizonata LeRoy Gross 2005-5-3 2242 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  SFV13336  Glebionis coronaria M. J. Thor 1983-4-8 161 Los Angeles Los Angeles Basin Playa del Rey, Ballona Wetlands. 2 Comment
  RSA187911  Gnaphalium californicum R. F. Thorne 1966-6-1 36473 Los Angeles Santa Catalina Island: upper end of the road in Pebbly Beach Canyon 91 Comment
  UCR190776  Gnaphalium californicum R. G. Swinney 1998-8-6 6692 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 Comment
  RSA0043395  Gnaphalium californicum Regina Allen 1983-5-16 s.n. Los Angeles Evey Canyon in San Gabriel Mountains. 1 mile north of San Antonio Dam off Mt. Baldy Road. Comment
  UCR157920  Gnaphalium canescens Robert J. Steers 2005-5-8 17 Los Angeles South Coast, Palos Verdes Peninsula: on primarily south-facing hillside that is 200 ft west of Pirate Dr. along the north side of Forrestal Dr 183 Comment
  RSA190954  Gnaphalium chilense R. F. Thorne 1967-3-19 36766 Los Angeles Santa Catalina Island. Lower end of Toyon Canyon. 46 Comment
  RSA199168  Gnaphalium chilense R. F. Thorne 1968-5-28 37665 Los Angeles Santa Catalina Island, Middle Bulrush Canyon. 244 Comment
  POM358814  Gnaphalium chilense Robert Gustafson 1981-4-14 2181 Los Angeles Ballona Wetlands, Area 3. Comment
  POM358741  Gnaphalium leucocephalum L. C. Wheeler 1931-9-11 136 Los Angeles 2 mi. NE La Verne. 373 Comment
  UCR142078  Gnaphalium leucocephalum A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al 2003-4-30 26194 Los Angeles Western San Gabriel Mtns., Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 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
  UCR125964  Gnaphalium luteoalbum A. C. Sanders, Mark Elvin 2002-6-19 25145 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  RSA6052  Gnaphalium microcephalum C. B. Wolf 1932-10-3 4211 Los Angeles Santa Catalina Island. About 1 1/4 mile from Wrigley Drive on road to Renton Mine (head of right fork of Pebbly Beach canyon) 305 Comment
  RSA640929  Gnaphalium stramineum L. C. Wheeler 1967-8-9 10411 Los Angeles San Gabriel Mountains: Headwaters of Devil's Canyon on S side Mt. Waterman. 2195 Comment
  UCR205530  Gnaphalium stramineum R. G. Swinney 2008-5-30 8889 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  RSA478803  Grayia spinosa Robert M. Perkins 1937-4-23 361 Los Angeles Between Lancaster & Palmdale. Comment
  UCR223029  Grayia spinosa R. G. Swinney 2009-4-29 10614 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  POM359089  Grindelia robusta Robert Gustafson 1980-8-29 1866 Los Angeles Ballona Wetlands, Area 1 Comment
  RSA518022  Guillenia lasiophylla Steve Boyd, Orlando Mistretta 1986-3-31 1565 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  CAS-BOT-BC173171  Harpagonella palmeri Tim Ross 1993-4-22 6869 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); saddle on E side of peak 448 Comment
  POM310370  Hazardia squarrosa var. grindelioides Margaret Hardinge 1945-12-10 152 Los Angeles Little Dalton Canyon. 1159 Comment
  SBBG31107  Hazardia squarrosa var. grindelioides R. F. Thorne 1966-4-28 36262 Los Angeles water tank above Mausoleum, Avalon Cyn above rd 182 Comment
  UC1118876  Hazardia squarrosa var. grindelioides Jerome S. Horton 1939-9-29 247 Los Angeles divide between East Fork San Dimas Canyon and San Gabriel Canyon (4350 Climactic Station, San Gabriel Divide); Cucamonga Quadrangle Comment
  POM257576  Helianthemum scoparium var. vulgare C. B. Wolf 1932-5-13 s.n. Los Angeles Santa Catalina Island. Hillside south of largest Reservoir, 3.5 mi. (by road) from Avalon on way to Isthmus. 365 Comment
  RSA441780  Helianthemum scoparium var. vulgare Fay A. MacFadden 1931-4-10 s.n. Los Angeles Dry hillsides, Tejunga [Tujunga] Canyon 426 Comment
  RSA659126  Helianthus annuus LeRoy Gross 2001-4-1 377 Los Angeles Los Angeles Basin: Verdugo Mountains region: Northwest side: Low hill between La Tuna Canyon Road and Sunland Blvd. enter at dead end street at corner of Tuxford St. and Ledge Ave just north of La Tuna Canyon Road in city of Sun Valley., Just west of the mouth of McDonald Creek. 305 Comment
  SBBG105360  Helianthus annuus H. L. Ferguson, R. M. Beauchamp 1979-9-15 14 Los Angeles ca. 100 m SW of Vista O.P. gate 555 Comment
  UC1746080  Helianthus annuus Annetta M. Carter 1946-4-23 1758 Los Angeles Sierra Madre. Crest of first hill on Mt. Wilson Trail. 365 Comment
  POM279065  Helianthus annuus subsp. lenticularis R. F. Thorne, C. W. Tilforth 1971-4-9 41531 Los Angeles Angeles National Forest; or near entrance thereto and below entrance to wooded area of San Dimas Canyon along San Dimas Creek. 381 Comment
  POM122183  Helianthus gracilentus Marcus E. Jones 1926-5-20 s.n. Los Angeles Mountains near Claremont Comment
  RSA719766  Helianthus gracilentus R. G. Swinney 1996-8-7 5207 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half of Brown's Flat 1317 Comment
  RSA875  Helianthus gracilentus J. T. Howell 1928-6-29 1002 Los Angeles 8 miles South Seminole Hot Springs, Santa Monica Mountains. 610 Comment
  RSA601124  Heliotropium curassavicum L. C. Wheeler 1967-6-26 9891 Los Angeles Elsmere Canyon 441 Comment
  LA105075  Heliotropium curassavicum var. oculatum Barry A. Prigge; 1988-7-3 8191 Los Angeles Santa Monica Mountains, Calabasas, ca 0.4 mi E of jtn of Mulholland Hwy and Old Topanga Rd, S of E-end of Calabasas High School track 313 Comment
  CATA1346  Helminthotheca echioides Mark L. Hoefs, Robert F. Thorne 1995-7-26 2451 Los Angeles Santa Catalina Island: Middle Canyon, on bank, next to stream bed just below reservoir 170 Comment
  POM360236  Hemizonia clementina F. R. Fosberg 1931-5-18 S 4990 Los Angeles Little Harbor, Santa Catalina Island. 5 Comment
  RSA210977  Hemizonia fasciculata C. W. Tilforth 1969-7-1 206 Los Angeles Mouth of small canyon 1/2 mile E of Colima Ave & Punta del Este St intersection N of Whittier. Comment
  RSA617148  Hemizonia minthornii Scott D. White 1995-10-19 3721 Los Angeles S edge of Santa Susana Mts., above Chatsworth, +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Blvd.); 0.7-1.0 air mi SE of Chatsworth Peak. 370 Comment
  UCR88686  Hemizonia minthornii Scott D. White 1995-10-11 3694 Los Angeles Santa Susana Mtns., Santa Susana Pass Rd., turnout at unnamed dirt rd., c. 1/2 mi east of Lilac Ln. Comment
  SBBG97023  Hesperocnide tenella S. Boyd with T. Ross, L. Arnseth 1990-4-8 4405 Los Angeles Bryce Cyn near Malo Pt Comment
  CATA1819  Hesperocyparis stephensonii Benjamin E. Carter 2012-8-31 7020 Los Angeles Santa Catalina Island: Black Jack Campground 459 Comment
  UCD169113  Hesperoyucca whipplei R. G. Swinney 2009-5-13 10794 Los Angeles Transverse Range; San Gabriel Mtns. Foothills, Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  SEINET12265278  Hesperoyucca whipplei I. W. Clokey 1935-1 6994 Los Angeles Pasadena Glen 400 Comment
  CAS-BOT-BC143678  Heteromeles arbutifolia L. R. A. 1900-8-10 s.n. Los Angeles San Gabriel [Canon] Canyon Comment
  CAS-BOT-BC143701  Heteromeles arbutifolia Herman Knoche 1919-7-4 Series A, No. 1003 Los Angeles San Clemente Island, Camp Mosquito Comment
  RSA635051  Heteromeles arbutifolia Valerie L. Soza, Laura Moore 1999-6-30 576 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail. 823 Comment
  SBBG44682  Heteromeles arbutifolia W. A. Wright 1931-2-19 Los Angeles Bannings Cyn 152 Comment
  SBBG96809  Heteromeles arbutifolia S. Boyd with T. Ross, L. Arnseth 1990-4-7 4231 Los Angeles lower half of China Cyn, W side Comment
  IRVC29179  Heterotheca grandiflora A. C. Sanders, Lee Jones 2004-11-7 29026 Los Angeles site called Lookout Gates on topo, 1 mile NE of Chatsworth at foot of Santa Susana Mtns., 5 acre estate proposed for conversion to private high school (Sierra Canyon H.S.), west of the north end of Lurline Ave, N of Nashville St., just south of 118 Fwy San Fernando Valley 351 Comment
  UC832991  Heterotheca grandiflora E. G. Anderson 1931-3-11 5320 Los Angeles San Gabriel Canyon Comment
  UCSB9947  Heterotheca grandiflora Wedberg, H. 1958-2-22 Los Angeles On Point Dume Comment
  RSA0091154  Heterotheca sessiliflora R. G. Swinney 2011-11-1 15938 Los Angeles confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 634 Comment
  CAS-BOT-BC310841  Heterotheca sessiliflora subsp. fastigiata Lewis S. Rose 1946-7-23 46239 Los Angeles Santa Monica Mts., Mulholland Drive above Hollywood 365 Comment
  RSA0062929  Heuchera elegans Anstruther Davidson 1915-8-1 3087 Los Angeles Camp Baldy. Comment
  RSA0063245  Heuchera elegans I. M. Johnston 1917-6-20 1733 Los Angeles San Antonio Mountains, Baldy Lookout of U.S.F.S. 1829 Comment
  RSA0096741  Heuchera elegans F. R. Fosberg, Joseph A. Ewan 1931-8-12 S- 5532 Los Angeles Mt. Islip, near summit. 2440 Comment
  RSA733225  Hieracium argutum R. G. Swinney 1998-8-17 6766 Los Angeles Upper Coldwater Canyon at NE end of Heaton Flat Trail 1244 Comment
  CHSC95368  Hirschfeldia incana LeRoy Gross; Wayne Law 2000-8-8 251 Los Angeles Big Tujunga Wash/Verdugo Mountains Region: East of Hansen Dam, entered at Orcas Ave. parked at Orcas Park, hiked east of this park along river (just north of Wentworth Street), but not as far as the Tujunga ponds. 324 Comment
  RSA657211  Hirschfeldia incana Joseph M. Keefe 2001-1-19 30995 b Los Angeles Big Tujunga Wash, 300 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles, 91040. 384 Comment
  UC160451  Hirschfeldia incana A. Davidson, M. D. Nov 1911 2787 Los Angeles Los Angeles Comment
  SBBG131655  Hordeum intercedens S. A. Junak 1999-5-20 SCa 954 Los Angeles Cottonwood-Black Jack Rd 304 Comment
  SBBG133001  Hordeum intercedens S. A. Junak 1996-4-12 SCI 296 Los Angeles NE end of island, along E side of Skink Alley Rd, in swale N of Peak 59, with building 60166, 1 mi NE of San Clemente Ridge Rd 140 Comment
  SBBG127978  Hordeum marinum M. L. Hoefs, S. A. Junak 1996-5-1 2688 Los Angeles Haypress Reservoir, at cmpgrd 384 Comment
  UCR271917  Hordeum murinum R. G. Swinney 2010-3-24 12054 Los Angeles San Gabriel Mountains, Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  SEINET11678405  Hordeum murinum Unknown 1933-1 8294 Los Angeles Tehachapi Mountains Comment
  RSA0113994  Hordeum murinum subsp. glaucum LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7524 Los Angeles Arrastre Canyon. Started near mouth of canyon, near 34.44397N 118.20032W. Ended on top of a small knoll, near 34.43011N 118.18667W. 804 Comment
  SEINET13203288 Image available Hordeum murinum subsp. leporinum R. G. Swinney 2011-1 15465 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), central camp area (Chilao Flat 7.5' Q.) (T3N R12W S35) 1097 Comment
  CATA1991  Hordeum vulgare Steven A. Junak, Mark Hoefs, Sara Crockett 1997-3-27 369 Los Angeles Santa Catalina Island: Skull Canyon, at edge of hayfield at storage yard gate, ca. 0.4 road miles from intersection with Middle Ranch Canyon Road 228 Comment
  POM35303  Horkelia cuneata subsp. puberula C. F. Baker 1904-4-20 1760 Los Angeles Claremont. Comment
  CAS-BOT-BC532291  Horkelia cuneata var. puberula Dr. H. E. Hasse 1888-7-10 s.n. Los Angeles Southern California, Glendale Comment
  CAS-BOT-BC311966  Hulsea heterochroma LeRoy Abrams; E. A. McGregor 1908-6-20 381 Los Angeles Liebre Mountains 1463 Comment
  RSA0097145  Hulsea heterochroma R. G. Swinney 2011-5-31 14888 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1096 Comment
  RSA679993  Hulsea vestita subsp. gabrielensis LeRoy Gross, Michael Denslow 2003-6-4 975 Los Angeles Trail from Islip Saddle to Mt. Williamson 2195 Comment
  RSA453767  Hydrocotyle umbellata F. R. Fosberg 1930-10-11 s 4178 Los Angeles Templeton, S Puente 80 Comment
  RSA188131  Hypochaeris glabra R. F. Thorne 1966-4-29 36305 Los Angeles Santa Catalina Island: hillside along Airport Road before turn-off to Middle Ranch Canyon 457 Comment
  SBBG96294  Hypochaeris glabra S. A. Junak with M. L. Hoefs, K. Kirkland, L. Stratton 1998-5-2 SCa 643 Los Angeles S of rd to East Pk, on ridge SW of Pk 1245, ca. 0.9 air mi WNW of East Pk 252 Comment
  RSA588897  Hypochaeris glabra Timothy S. Ross, S. D. Boyd 1990-5-15 2545 Los Angeles Ridgetop between Boulder Canyon drainage (on W) and Gold Canyon (on E). Gold Canyon Saddle: Tujunga Ranger District, Angeles National Forest. 902 Comment
  RSA188380  Isocoma menziesii R. F. Thorne, P. C. Everett 1965-6-23 34952 Los Angeles Santa Catalina Island. Ben Weston Beach, west side of island. Comment
  SEINET11983997  Isomeris arborea var. globosa D. P. Reagan 1974-1 23 Los Angeles 2 mi W of Gorman Comment
  POM361335  Jaumea carnosa F. R. Fosberg 1930-6-23 2990 Los Angeles Del Rey. 0 Comment
  UCR205932  Juglans californica A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37059 Los Angeles San Gabriel Valley, Montebello Hills, north side of the Pomona (60) Freeway, SW of Greenwood Ave., south of Potrero Grande Dr., under SCE powerlines near substation 116 Comment
  RSA661009  Juglans californica var. californica LeRoy Gross, Valerie Soza 2001-5-31 392 Los Angeles Vedugo Mountains Region: Southeast side. Along Las Flores Mountain Way, dirt road south of Polaris Dr. 396 Comment
  CAS-BOT-BC478182  Juglans hindsii R. E. Jr. Riefner 2015-8-23 15 -343 Los Angeles Universal City, along E side of Barham Blvd., vicinity of Craig Drive 233 Comment
  UCR204550  Juncus balticus subsp. ater R. G. Swinney 2005-8-5 8364 Los Angeles San Gabriel Mtns, Caldwell Lake at Mile High, 0.4 mi. west of jct. of 204th St. East and Big Pines Hwy 1566 Comment
  UCR277035  Juncus bufonius R. G. Swinney 2010-5-25 12920 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  CATA807  Juncus bufonius var. bufonius Mark L. Hoefs, Robert Given 1991-6-12 1379 Los Angeles Santa Catalina Island: Near junction of road between Middle Canyon and Bulrush and road to Camp Cactus 228 Comment
  RSA0091138  Juncus bufonius var. bufonius R. G. Swinney 2011-5-24 14829 Los Angeles to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1049 Comment
  RSA585691  Juncus macrophyllus Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3013 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon 1255 Comment
  RSA368235  Juncus mexicanus Anstruther Davidson 1923-9-1 s.n. Los Angeles Los Angeles River. Comment
  UCSB52778  Juncus patens Boutin, F. 1967-4-23 Los Angeles San Clemente Island: E side of island; next major drainageway and canyon SE of Lemon Tank Comment
  RSA639104  Juncus rugulosus L. C. Wheeler 1966-10-1 8939 Los Angeles San Gabriel Mountains: Millie's Orchard, lower Colby Ranch, Coldwater Canyon 1006 Comment
  SBBG126141  Juncus textilis A. C. Sanders with T. B. Salvato 2009-5-21 36889 Los Angeles Whittier Narrows near S El Monte, N of San Gabriel River channel and SE of Durfee Ave, W half of Whittier Narrows Nature Center 66 Comment
  SD215326  Juncus torreyi Steve Boyd, Lauren Raz 1996-10-14 9087 Los Angeles Liebre Mountains region, southwest end of Quail Lake, in seasonally flooded depression on south side of Highway 138. Swale area about overflow from lake. 1021 Comment
  RSA608232  Juncus xiphioides L. C. Wheeler 1946-9-2 6337 Los Angeles San Gabriel Mountains: West Fork San Gabriel River. 518 Comment
  UCR19764  Juncus xiphioides P. H. Raven, H. J. Thompson 1960-7-17 15562 Los Angeles Western Transverse Range; Santa Monica Mtns., Old Topanga Canyon Comment
  UCR123804  Juniperus californica Steven R. Hill, K. Kramer 2001-4-22 33365 Los Angeles Southwestern Mojave, N foothills of San Gabriel Mountains, Elizabeth Lake Road, 3.3 mi west of California Route 14, 0.9 mi west of Highland Street (25th Street West), west of Palmdale. Vicinity of Armagosa Creek 854 Comment
  UCR143519  Juniperus californica N. C. Cooper 1943-11-20 979 Los Angeles Transverse Ranges; Liebre Mtns region, Mint Canyon, west of Ranger [Fire?] Station 762 Comment
  SEINET13289846 Image available Juniperus californica S. R. Hill, Kramer, K. 2001-1 33365 Los Angeles Armagosa Creek Comment
  CAS-BOT-BC235737  Keckiella cordifolia C. B. Wolf 1931-7-30 2297 Los Angeles North slope at base of Newhall Grade, 1/4 mi. above crossing of Los Angeles Aqueduct 457 Comment
  RSA3242  Keckiella cordifolia Carl B. Wolf 1931-6-25 2240 Los Angeles Wash SW of Los Angeles Botanic Garden, along Beverly Blvd. (Mandeville Canyon). 61 Comment
  UC625147  Keckiella cordifolia F. R. Fosberg 1931-3-27 S 4400 Los Angeles Hamilton Canyon; Santa Catalina Island 50 Comment
  RSA567185  Keckiella ternata subsp. septentrionalis Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3957 Los Angeles Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. [West Summit here construed as the 5605-foot knoll near the intersection of sections 3,4,9,10] 1390 Comment
  POM155817  Keckiella ternata subsp. ternata M. L. Bryan 1928-4-17 97 Los Angeles Mt. Lowe, San Gabriel Mountains. Comment
  RSA69956  Kochia californica F. W. Peirson 1919-8-30 1833 Los Angeles Desert between Mojave and Lancaster. Comment
  UCR94703  Kochia californica A. C. Sanders, E. J. Lott 1993-5-6 13942 Los Angeles Western Mojave Desert, 12 miles north of Palmdale, Sierra Hwy at Ave 'G', to 0.1 mi. NW of intersection 706 Comment
  POM1171  Koeleria macrantha I. M. Johnston 1917-7-1 1520 Los Angeles San Antonio Mountains; Near Browns Flats. 1372 Comment
  RSA0078563  Kopsiopsis strobilacea Louis C. Wheeler 1966-10-6 8961 Los Angeles San Gabriel Mts., Angeles National Forest: Mt. Williamson. 2499 Comment
  UCD39071  Krascheninnikovia lanata Beecher Crampton 1963-5-7 6776 Los Angeles San Bernardino - Los Angeles County border: ca. 0.5 miles n.w. Desert Springs, State Hwy. 138. 1185 Comment
  UCSB1690  Krascheninnikovia lanata Kamb, Peter 1948-5-6 Los Angeles Desert foothills of the San Gabriel Mts. above Little Rock 914 Comment
  RSA0110558  Lactuca saligna Steven A. Junak, Keri Kirkland 1998-7-17 SCa- 777 Los Angeles Santa Catalina Island: Silver Canyon, at base of slope of E side of canyon, ca 0.7 air miles inland from beach. 76 Comment
  CAS-BOT-BC340581  Lactuca serriola Timothy S. Ross; Steve Boyd 1994-9-21 8340 Los Angeles Liebre Mountains. Cow Spring Pond: sag pond on the San Andreas Fault Zone at the N foot of Liebre Mtn and on the S side of West Oakdale Canyon Road, ca 100 m W of the Cow Spring Canyon drainage 1155 Comment
  POM352643  Lamarckia aurea J. Aug Kusche 1929-5-16 s.n. Los Angeles Beverly Terrace, ridge of Hollywood Hills 335 Comment
  RSA609291  Lamarckia aurea L. C. Wheeler 1974-4-14 s.n. Los Angeles San Gabriel Mountains: Wildwood Ranch, Shuler Canyon. 412 Comment
  SBBG17969  Lamarckia aurea E. R. Blakley 1963-4-8 5549 Los Angeles S of Avalon Valley above Avalon Terrace 182 Comment
  SEINET4133990  Lamium amplexicaule Louis C. Wheeler 1933-7-14 1937 Los Angeles Portrero Chico near Rio Hondo.; 0 69 Comment
  UC410811  Lampranthus Eric Walther 1929-7-10 Los Angeles Santa Monica, ( Hugh Evans') Santa Monica Comment
  SEINET3481006  Lantana lilacina Unknown 1939-7-10 183 Los Angeles Los Angeles, Los Angeles Comment
  UCR59550  Larrea tridentata Ed LaRue 1989-5-11 s.n. Los Angeles Western Mojave Desert, Palmdale, c. 0.5 mi (air) east of Alpine Springs [Mobile Home] Park, c. 0.5 mi. (air) north of point where Hwy 138 [=Sierra Hwy or Pearblossom Hwy] crosses California Aqueduct & c. 0.75 mi. (air) south of Ave. S 856 Comment
  RSA594958  Lasthenia californica Timothy S. Ross 1995-4-26 8393 Los Angeles Head of Liebre Gulch drainage along Forest Service Road 8N05, between Sandberg and Bald Mountain; ca 1740 feet W of Sandberg BM (4164 ft) 1204 Comment
  POM361494  Lasthenia californica L. E. Hoffman 1927-5-18 s.n. Los Angeles Palmdale School. Along Los Angeles River Comment
  POM361499  Lasthenia californica Helen M. Oster 1924-4-27 s.n. Los Angeles Foothills N, between Vermont and Western Ave- Los Angeles Comment
  RSA597814  Lasthenia californica L. C. Wheeler 1969-4-19 s.n. Los Angeles San Gabriel Mts; Placerita Canyon. 549 Comment
  SEINET10759247  Lasthenia californica Noel H. Holmgren, Patricia K. Holmgren 1974-4-5 Holmgren 7626 Los Angeles North foothills of the San Gabriel Mountains, Portal Ridge, 13 airline miles west of Lancaster. 1067 Comment
  IRVC26337  Lasthenia glabrata subsp. coulteri A. C. Sanders 2003-4-16 26033 Los Angeles Newhall Ranch, under powerlines south of Magic Mountain Parkway, near I-5 and new golf course NE end of Santa Susana Mtns. 366 Comment
  UC407309  Lasthenia gracilis LeRoy Abrams 1903-3-14 3134 Los Angeles near Rocky Pt. (San Pedro hills); San Pedro Comment
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Nov 11 2010
  UC53927  Lasthenia gracilis R. D. Williams 1902-2-12 Los Angeles Claremont 365 Comment
  UCR138135  Lasthenia gracilis L. C. Wheeler 1974-4-14 s.n. Los Angeles San Gabriel Mtns., Wildwood Ranch, Shuler Canyon 412 Comment
  UCR255831  Lasthenia gracilis R. G. Swinney 2010-5-12 12744 Los Angeles San Gabriel Mountains, Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  RSA533898  Lasthenia gracilis Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5141 Los Angeles San Clemente Island, at the beginning of Larkspur Canyon drainage. 1600 ft. SE of the 924' BM at the E end of old airfield landing strip. 250 Comment
  SFV16074  Lathyrus vestitus P. A. Krueger 1994-5-14 19 Los Angeles San Gabriel Mountains 2 miles west on 2N23 from Newcomb's Saddle._x000B_ 900 Comment
  SFV1825  Lathyrus vestitus K. A. Wilson 1961-2-20 867 Los Angeles San Gabriel Mountains Little Tujunga Canyon. Comment
  POM1804  Lathyrus vestitus subsp. laetiflorus D. L. Crawford, Otis Hiatt 1916-3-28 s.n. Los Angeles Hillside above Topanga Canyon Comment
  RSA11605  Lathyrus vestitus subsp. laevicarpus C. Epling, R. Fowler, K. Kneen 1933-04 s.n. Los Angeles Santa Monica Mtns, Boney Ridge. Comment
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Nov 11 2014
  SEINET13203225 Image available Lathyrus vestitus subsp. vestitus R. G. Swinney 2011-1 14157 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail (Glendora 7.5' Q.) (T1N R9W S28) 366 Comment
  UC864429  Lathyrus vestitus var. vestitus I. W. Clokey and E. G. Anderson 1931-3-11 5331 Los Angeles San Gabriel Canyon 800 Comment
  RSA191032  Lathyrus vestitus var. vestitus R. F. Thorne 1964-1-25 34056 Los Angeles Chantry Flats, N of Sierra Madre Arroyo Seco section, Angeles National Forest 762 Comment
  SDSU4460  Lathyrus vestitus var. vestitus B. J. Cabrera 1990-4-14 14 IV90D Los Angeles On trailside near bottom of canyon, Gabrielino National Recreation Trail, San Gabriel Mountains ca. 1300 m. Comment
  RSA361619  Layia glandulosa Fordyce Grinnell Jr 1921-4-3 s.n. Los Angeles Tujunga Wash Comment
  JEPS39198  Layia glandulosa W. L. Jepson 1914-5-12 5936 Los Angeles Mohava Desert Comment
  SEINET3448048  Layia glandulosa W. P. Vestal, A. G. Vestal 1955-3-26 3485 Los Angeles Antelope Valley, Antelope Valley, east of Fairmont Street on 110th Street, Gilia expanse, east side of road Comment
  SFV4253A  Layia glandulosa K. A. Wilson, M. L. Vincent 1965-5-18 1338 Los Angeles Mojave Desert Pearblossom. Corner of Fort Tejon and Longview roads. Comment
  JEPS30623  Layia platyglossa Peter H. Raven 1959-4-4 13972 Los Angeles Point Dume; Santa Monica Mountains 15 Comment
  UC54048  Layia platyglossa L. A. Greata 1903-5-1 374 Los Angeles north of Pasadena Comment
  RSA127836  Layia platyglossa subsp. platyglossa Peter H. Raven 1959-4-4 13972 Los Angeles Point Dume, Santa Monica Mountains. 15 Comment
  CAS-BOT-BC221611  Lepechinia fragrans Carl Epling 1931-4-25 s.n. Los Angeles Santa Monica Mountains. Los Alisos Canyon Comment
  UCR213425  Lepidium A. C. Sanders, Dan S. Cooper 2010-3-12 37329 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  CDA24900  Lepidium densiflorum Phillipson 1915-8-5 Los Angeles Sierra Madre. Comment
  UCR126560  Lepidium draba A. C. Sanders, Andy Thomson 2003-4-15 26019 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along the Santa Clara River, north of Magic Mountain theme park 316 Comment
  LA211096  Lepidium draba Arthur C. Gibson; 2009-4-26 5364 Los Angeles SANTA MONICA MOUNTAINS, Along community driveway, Village of Topanga near Hondo Creek. Comment
  UCSB2385  Lepidium fremontii Ralph, F. 1960-4-1 Los Angeles N. side of Calif. Hwy. 138; 9.0 miles E. of its jct. with the road to Valyermo & Big Pines; E. of Pear Blossom; 0.6 miles W. of jct. with road to Victorville; Mojave Desert Comment
  RSA590938  Lepidium fremontii var. fremontii Orlando Mistretta 1994-4-12 1029 Los Angeles Little Rock Creek: Slopes E of Little Rock Reservoir 976 Comment
  RSA609505  Lepidium lasiocarpum var. lasiocarpum L. C. Wheeler 1974-4-4 s.n. Los Angeles West end of Los Angeles International Airport. 60 Comment
  RSA429627  Lepidium nitidum F. R. Fosberg 1931-4-15 4638 Los Angeles Eagles Nest, Middle Ranch Canyon Santa Catalina Island 210 Comment
  UCR190608  Lepidium nitidum R. G. Swinney 1990-3-23 1535 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora 366 Comment
  RSA0042221  Lepidium nitidum var. nitidum Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2842 Los Angeles Santa Catalina Island: By upper end of road to Toyon Beach. 411 Comment
  POM188346  Lepidium perfoliatum P. A. Munz 1933-5-13 12948 Los Angeles 10 miles E of Rosamond Comment
  CATA1477  Lepidium strictum Mark L. Hoefs, Steven A. Junak 1996-4-30 2673 Los Angeles Santa Catalina Island: Area just outside of Wrigley Garden entry, Avalon Canyon 121 Comment
  RSA597533  Lepidium strictum L. C. Wheeler 1957-5-17 7268 Los Angeles Pasadena. Northwest corner Cal Tech campus, San Pasqual and North Wilson Avenue. Comment
  HSC6843  Lepidium virginicum var. menziesii C. E. Fellows 1965-4-19 11 Los Angeles Community of Llano, SW corner at intersection of Hwy. 138 and Victorville cutoff, high southern Mojave Desert Comment
  SBBG19205  Lepidium virginicum var. pubescens M. A. Piehl 1963-12-7 631079 Los Angeles rd to navy base just S of airfield 51 Comment
  CAS-BOT-BC328081  Lepidospartum squamatum H. M. Hall 1919-10-22 s.n. Los Angeles Antelope Valley, NW of Mojave Station Comment
  RSA0060874  Lepidospartum squamatum R. G. Swinney 2010-3-22 12087 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction. 502 Comment
  SFV17994  Lepidospartum squamatum J. N. Hogue 1999-8-26 149 .1 Los Angeles Santa Monica Mountains Triunfo Canyon at Lake Enchanto. Peter Strauss Ranch. 230 Comment
  UCR124382  Lepidospartum squamatum I. W. Clokey, B. C. Templeton 1929-1 4598 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 300 Comment
  UCR231183  Lepidospartum squamatum Dan S. Cooper 2011-9-27 911- 110 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, slope south of Forest Lawn Dr. just west of Travel Town 178 Comment
  CLARK-A1528-1365  Leptodactylon californicum subsp. glandulosum Robin L. Kobaly 1972-5-17 RLK 720517 Los Angeles San Gabriel Mountains 365 Comment
  CATA2953  Leptosiphon bicolor Sarah Ratay, Lauren Danner 2006-4-25 96 Los Angeles Santa Catalina Island: On way to Ophioglossum site 0 Comment
  POM364639  Leptosiphon liniflorus Fordyce Grinnell Jr. 1915-9-6 s.n. Los Angeles Near Pasadena. Comment
  SEINET7967502 Image available Leptosiphon liniflorus George K. Helmkamp, E. A. Helmkamp 1998-5-21 4031 Los Angeles Western Mojave Desert; South base, Tehachapi Mtns., 4.0 mi north of Calif. Hwy 138 (Lancaster Rd) on 300th St. West 1006 Comment
  POM364634  Leptosiphon liniflorus Museum Jrs. 1945-06 2134 Los Angeles Seminole Hot Springs. Comment
  UCR276804  Leptosyne bigelovii R. G. Swinney 2010-5-21 12899 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  CATA3288  Leptosyne gigantea Julie L. King 2017-3-3 66 Los Angeles Santa Catalina Island: Road along northwest side of Catalina Harbor 0 Comment
  OBI69280  Leptosyne gigantea John Knapp, Denise Knapp 2003-4-13 1 Los Angeles Catalina Island, 3690107.913N x 377428.961E 9 Comment
  RSA0042670  Lessingia glandulifera var. glandulifera S. Kaatmann 1998-10 12 Los Angeles Pitzer College Arboretum. The interior of the Outback, near the path closest to the western boundary. 350 Comment
  RSA603773  Leymus condensatus C. Epling, Louis C. Wheeler 1933-6-4 1856 Los Angeles 1 mi. W mouth San Francisquito Canyon near Saugus. Comment
  CAS-BOT-BC274474  Leymus triticoides John R. Hodgson 1928-6-12 265 Los Angeles Peace Valley Comment
  UCD86639  Leymus triticoides Katharine Brandegee Date Unknown s.n. Los Angeles Catalina Island. Comment
  UCR194052  Lilium humboldtii R. G. Swinney 1998-8-21 6782 Los Angeles San Gabriel Mtns., Cow Canyon, c. 0.5 air mi. due west of Cow Canyon Saddle 1152 Comment
  SEINET3887243  Lilium humboldtii var. ocellatum K. Dobry 1992-10-25 1096 Los Angeles Santa Monica Mts. in the city of Westlake, at So. end of Las Virgines Reservoir at So. end of Lindero Cyn.; 0 Comment
  CAS-BOT-BC130872  Lilium parryi Louis C. Wheeler 1954-9-1 7082 Los Angeles San Gabriel Mountains: Little Rock Creek, ca. 1 mile downstream from Cooper Creek Comment
  RSA536069  Limonium perezii Tim S. Ross 1991-5-22 5436 Los Angeles San Clemente Island: lower Wilson Cove Canyon, just W of the dock activities 12 Comment
  SEINET12279028  Linanthus androsaceus Unknown 1933-1 8422 Los Angeles Comment
  RSA468568  Linanthus androsaceus subsp. luteolus J. H. Holland 1884-5-12 s.n. Los Angeles Near the University. Comment
  UCR139934  Linanthus androsaceus subsp. micranthus L. C. Wheeler 1973-4-21 s.n. Los Angeles San Gabriel Mtns., foothills of mountains, 2 mi NE of Vincent 991 Comment
  UCR220279  Linanthus bigelovii R. G. Swinney 2009-4-24 10487 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  CAS-BOT-BC226767  Linanthus californicus LeRoy Abrams 1902-7-1 2624 Los Angeles Little Santa Anita Canon [Canyon] Comment
  RSA652611  Linanthus californicus subsp. glandulosus A. Mayor, N. Daly 1973-5-5 s.n. Los Angeles Tapia Park, Malibu Cyn. Comment
  UC1375411  Linanthus ciliatus Robert F. Thorne 1969-7-2 38284 Los Angeles Upper Chilao Campground San Gabriel Mts., Angeles National Forest 1615 Comment
  POM18076  Linanthus concinnus P. A. Munz 1923-5-26 6855 Los Angeles Vincent Gulch 2043 Comment
  POM364705  Linanthus dianthiflorus Anstruther Davidson 1894-06 s.n. Los Angeles Glendale. Comment
  RSA570186  Linanthus dichotomus subsp. pattersonii Steve Boyd, L. Arnseth 1991-4-30 5023 Los Angeles San Gabriel Mtns: ca. 036 miles ESE of Acton; on S edge of Soledad Canyon Wash. 841 Comment
  JEPS117039  Linanthus parryae David Gowen 2008-5-2 892 Los Angeles Near Llano on Hwy 138. 1028 Comment
  POM346556  Linanthus parryae Barry Burnell 1970-4-24 189 Los Angeles 3.2 miles south of Highway 138 on N4 1371 Comment
  POM364690  Linanthus parryae Robert M. Perkins 1937-4-23 359 Los Angeles Between Lancaster & Palmdale. Comment
  RSA735820  Linanthus parryae Rosemarie Zimmermann 1964-5-1 367 Los Angeles Valyermo 1372 Comment
  UCSB18571  Linanthus parryae Shaw, Merrilee 1963-5-3 Los Angeles along State Highway 138, 9.4 miles west of San Bernardino Co. Line, Mojave Desert 975 Comment
  RSA468207  Lithophragma affine subsp. mixtum Freda Detmers 1929-4-13 s.n. Los Angeles Descanso Canyon, Santa Catalina Island. Comment
  RSA84378  Lithophragma bolanderi F. W. Peirson 1922-6-3 3079 Los Angeles At Collins Ranch, north slope of Liebre Mts. 1143 Comment
  RSA660261  Lithophragma bolanderi Orlando Mistretta, Peter L. Morrell 1992-6-4 490 Los Angeles Traverse Ranges: San Gabriel Mnts region: Short Cut Canyon, OVH area. Arroyo District, paralleling Big Tujunga. Comment
  SEINET10481378  Lobularia maritima David B. Dunn 1946-1 Dunn 1991 Los Angeles Cultivated and weedy plants in the yard at 4911 pasadena ave. Terrace, l.a. Comment
  RSA779875  Loeflingia squarrosa R. G. Swinney 2009-4-3 10278 Los Angeles Duarte/Azusa border, San Gabriel Canyon wash, east side of channel 1.2 miles north of Foothill Blvd. 183 Comment
  JEPS17962  Loeseliastrum matthewsii George B. Rossbach 1955-4-29 420 Los Angeles Rte. 138 near Littlerock 914 Comment
  SBBG131956  Logfia arizonica S. A. Junak 2000-4-15 SCa 1220 Los Angeles E of Lone Tree 432 Comment
  SBBG17743  Logfia arizonica P. H. Raven 1962-5-8 17592 Los Angeles slopes above Seal Cove 24 Comment
  UC62966  Logfia filaginoides H. M. Hall 1902-5-3 3109 Los Angeles San Francisquito Pass Comment
  SD68987  Logfia filaginoides Peter H. Raven 1962-4-10 17208 A Los Angeles San Clemente Island; at the summit of Thirst. 580 Comment
  RSA623854  Lolium perenne subsp. multiflorum Jon E. Keeley 1979-5-10 7285 Los Angeles 1.6 kilometers N of Pacific Coast Highway on Kanan Dume Road. 300 Comment
  RSA658367  Lolium perenne subsp. multiflorum Naomi Zohman 1985-4-28 35 Los Angeles Junction of CA Hwy 39 and west fork of San Gabriel River. Forest Service Road, along the west fork. Comment
  RSA762299  Lolium perenne subsp. multiflorum Orlando Mistretta, Christine Mistretta 2008-5-5 2653 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon. 627 Comment
  POM1285  Lolium temulentum I. M. Johnston 1916-12-29 s.n. Los Angeles Claremont, just south of town. Comment
  RSA133256  Lolium temulentum P. H. Raven 1959-5-3 14075 Los Angeles Santa Monica Mountains. Mulholland Drive near head of Franklin Canyon, (34?N; 118-119?W) 381 Comment
  RSA187832  Lolium temulentum R. F. Thorne 1966-4-29 36295 Los Angeles Santa Catalina Island. Middle Ranch, Middle Ranch Canyon 198 Comment
  UC120524  Lolium temulentum T. S. Brandegee 1890-5-27 52 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC271180  Lolium temulentum Peter H. Raven 1959-5-3 14075 Los Angeles Mulholland Drive near head of Franklin Canyon, Santa Monica Mountains 365 Comment
  LA201144  Lomatium dasycarpum Martha Hilend; M. Canby Reis 1933-5-17 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA97157  Lomatium dissectum var. multifidum F. W. Peirson 1929-6-30 8422 Los Angeles Aliso Creek at Tie Canyon 1357 Comment
  POM9068  Lomatium lucidum P. A. Munz, R. D. Harwood 1920-5-2 3887 Los Angeles San Dimas Canyon. 457 Comment
  UCR138531  Lomatium lucidum L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mtns., Center Creek off of Gold Creek off of Little Tujunga Creek. 854 Comment
  UC398767  Lomatium macrocarpum Katharine Brandegee 1916-1 Los Angeles Santa Catalina Isl. Comment
  RSA649697  Lomatium mohavense Michael Horn 1991-4-7 3 Los Angeles San Gabriel Mountains, Topo.: Mescal Creek. Take dirt road 4N06 2 1/2 miles north of Hwy CN4 to reservoir. East 1/8 mile of the unnamed dirt road to site. 1463 Comment
  SEINET8465436 Image available Lomatium mohavense Wesley O. Griesel 1958-5-3 Los Angeles Santiago Canyon, desert foothills of San Gabriel Mts. 1067 Comment
  RSA661477  Lomatium mohavense subsp. longilobum Vasu Dev, Barbara Dev 2001-3-30 s.n. Los Angeles On ridge west of road, ca. 0.6 miles south of Acton. Comment
  RSA203066  Lomatium vaginatum James Henrickson 1966-4-16 2260 Los Angeles 14 miles east of Gorman along hwy 138 Comment
  SBBG95177  Lonicera hispidula M. B. Dunkle 1965-5-28 1965 Los Angeles Middle Ranch Cyn, below No 2 Station Comment
  POM296457  Lonicera hispidula var. vacillans Lyman Benson 1953-5-2 15109 Los Angeles Catalina Island. White's Landing 15 Comment
  UC889569  Lonicera hispidula var. vacillans F. R. Fosberg 1931-5-12 S 4851 Los Angeles Hay Press Santa Catalina Island 350 Comment
  UC1595457  Lonicera interrupta Tim Ross 1992-7-10 6639 Los Angeles 310 m e where Coldwater Canyon meets Big Tujunga Creek (just s of creek, e side of road to Colby Ranch); San Gabriel Mountains, Big Tujunga Canyon 963 Comment
  UC184329  Lonicera interrupta A. D. E. Elmer June, 1902 3694 Los Angeles Acton Mt. Gleason Comment
  RSA670036  Lonicera subspicata Joseph M. Keefe 2001-1-19 30920 Los Angeles 15 meters north of begninging of the Eagle Rock Park path along east side of Sholl Canyon Road opposite of driveway to 7685 Sholl Canyon Road, 100 meters north of Figueroa Street, Eagle Rock 90041. 284 Comment
  POM276678  Lotus Arthur L. Cohen 1934-8-2 493 Los Angeles Beverly Drive, Santa Monica. 61 Comment
  UCR231798  Lotus argophyllus Darren T. Hasegawa 2007-4-21 s.n. Los Angeles San Gabriel Mtns, Eaton Canyon Park, Angeles National Forest, c. 2 mi. north of I-210 366 Comment
  POM175412  Lotus argophyllus var. argophyllus Joseph A. Ewan 1930-6-23 2636 Los Angeles one mile above Coldbrook, North Fork San Gabriel River Comment
  RSA724426  Lotus corniculatus K. Dobry 1991-6-13 d- 703 Los Angeles Santa Monica Mts. Las Virgenes and Mulholland Hwy at Soka Univ. Comment
  UCR128001  Lotus corniculatus Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-13 2992 Los Angeles Santa Clarita Valley, S side of the Santa Clara River, c. 200 m upstream from the mouth of Potrero Creek 274 Comment
  RSA488006  Lotus hamatus Mark Hoefs, Doug Propst 1973-3-14 85 Los Angeles Santa Catalina Island. Ridge between Cape and Skull Canyons. 305 Comment
  RSA0011520  Lotus heermannii var. heermannii Orlando Mistretta, Christine Mistretta 2011-6-23 5740 Los Angeles Aliso Cyn drainage. Near head of Gleason cyn, W of jct. of Forest Rd. 4N24 and Pacific Crest Trail. 1679 Comment
  UCR159701  Lotus heermannii var. heermannii Orlando Mistretta 1992-7-14 710 Los Angeles Transverse Ranges, San Gabriel Mtns: Gold Canyon Trail, Tujunga Ranger District 614 Comment
  UC1587666  Lotus nevadensis var. davidsonii Tim Ross 1991-8-14 5789 Los Angeles 0.5 mi e Lower Pacifico Campground Rd. (Pacifico Mtn Rd); San Gabriel Mountains, Pacifico Mtn. U.S.G.S. 7.5' Quad. 1926 Comment
  LA47934  Lotus oblongifolius var. oblongifolius Louis Wheeler; 1931-8-27 28 Los Angeles San Gabriel Mountains, San Dimas Canyon 380 Comment
  RSA654446  Lotus purshianus var. purshianus Valerie L. Soza, Ileene Anderson, LeRoy Gross 2000-6-6 975 Los Angeles Verdugo Mountains, southwest side: North of Chandler Fire Road (Verdugo Mtwy), N of ''La Tuna'', above Chandler and Fisher canyons, S of La Tuna Canyon. 487 Comment
  UCR190406  Lotus salsuginosus R. G. Swinney 2000-5-20 7691 Los Angeles San Gabriel Mtns., NE of Azusa, 0.8 mi. north of San Gabriel Dam, ridge east of Polecat Gulch and north of Hwy 39 756 Comment
  RSA38855  Lotus salsuginosus E. A. Purer 1935-5-11 6549 Los Angeles Hillside, Malibu Road Comment
  RSA654021  Lotus strigosus Valerie L. Soza, Laura Moore 2000-5-10 841 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines. 579 Comment
  LA52441  Lotus strigosus Zaitlin; 1951-4-8 Los Angeles Point Dume Comment
  RSA598080  Lotus strigosus T. S. Ross 1990-6-25 3775 Los Angeles Ridgetop to the W of Crystal Lake (ridge descending SSW from Mt. Islip) 1884 Comment
  RSA406356  Lotus wrangelianus L. C. Wheeler 1934-4-15 2519 Los Angeles San Gabriel Mountains: Liveoak Canyon. 511 Comment
  RSA611628  Lotus wrangelianus Steve Boyd, Valerie Soza, Mike Kinney, J. Mark Porter 1998-3-24 10110 Los Angeles Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon. 609 Comment
  UCR216567  Lupinus Dan S. Cooper 2010-6-16 610- 73 Los Angeles Western Transverse Range; eastern Santa Monica Mtns., intersection of Mt. Lee Dr. and Mulholland Hwy., Griffith Park 378 Comment
  UCR6033  Lupinus albifrons K. S. Gill 1965-3-20 s.n. Los Angeles San Gabriel Mountains, Foothills of Mt. Baldy, 2 mi N of Claremont 366 Comment
  SEINET10488420  Lupinus albifrons David B. Dunn 1956-1 Dunn s.n. Los Angeles Plant 2 years old. Grown in field planting at santa ana botanical garden. Hybridization by d.b.dunn. Rsa# 6450 x self plant 1 Comment
  SEINET10488425  Lupinus albifrons David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 years old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by d.b.dunn. Rsa # 6450 x 8292(1) Comment
  CAS-BOT-BC201412  Lupinus albifrons var. albifrons L. R. Abrams 1941-4-18 13867 Los Angeles State Highway 138 one mile east of junction with U.S. Highway 99 Comment
  RSA0072196  Lupinus albifrons var. austromontanus Daisie Huang 2008-5-13 08051301 Los Angeles North Peace Valley Rd, just south of Falcon Way. 1219 Comment
  RSA167792  Lupinus albifrons var. eminens R. F. Thorne, P. C. Everett 1964-2-6 33439 Los Angeles Above airport road a few miles NW of Avalon, Santa Catalina Island. Comment
  RSA639109  Lupinus andersonii L. C. Wheeler 1970-7-25 s.n. Los Angeles San Gabriel Mountains: Heliport 0.3 mi. N of South Mt. Hawkins 2287 Comment
  RSA660177  Lupinus andersonii Orlando Mistretta 1992-5-25 446 Los Angeles Fenner Canyon Conservation Camp. S side of camp. Comment
  SEINET10870956  Lupinus arboreus David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 years old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by d.b.dunn. Rsa # 6846 x 6450 (1) Comment
  UCR124470  Lupinus arbustus subsp. arbustus B. C. Templeton 1932-5-31 4857 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  RSA0089144  Lupinus bicolor R. G. Swinney 2010-4-28 12399 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA279112  Lupinus bicolor R. F. Thorne 1971-3-18 41499 Los Angeles Cobal Canyon; c. 3 mi N of Claremont, near mouth of canyon 503 Comment
  UCR126249  Lupinus bicolor A. C. Sanders 2003-3-14 25782 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
  UC1401247  Lupinus bicolor David B. Dunn and Epling 1946-4-20 2150 Los Angeles n Palmdale (w side of the Mojave Desert, collected at station #66 near the foothills); w side of the Mojave Desert 822 Comment
  RSA190959  Lupinus bicolor subsp. microphyllus R. F. Thorne 1966-4-28 36254 Los Angeles Santa Catalina Island: Hay Press area. 427 Comment
  SEINET10484874  Lupinus bicolor subsp. microphyllus Robert F. Thorne 1966-4-30 Thorne 36351 Los Angeles Grassy slopes above gallagher's canyon, with navarettia hamata, navarettia sp., Clarkia purpurea quadrivulnera, centaurium davyi, filago gallica, trifolium Graciletum, astragalus didymocarpus 427 Comment
  RSA165757  Lupinus bicolor subsp. umbellatus Wesley O. Griesel 1963-4-20 763 Los Angeles [Unspecified] 152 Comment
  JEPS65041  Lupinus breweri Frank W. Peirson 1921-6-16 2441 Los Angeles near summit Mt. Waterman; San Gabriel Mts., nr summit Mt. Waterman 2316 Comment
  RSA407120  Lupinus chamissonis Robert Gustafson 1980-7-9 1792 Los Angeles Ballona Wetlands, Area 1, coastal strand along the western boundary of Area 1 Comment
  SD39049  Lupinus chamissonis Edith A. Purer 1931-2-21 98 Los Angeles El Segundo Comment
  RSA0081055  Lupinus excubitus subsp. austromontanus R. G. Swinney 2010-6-1 13111 Los Angeles San Gabriel Mountains: lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy. 1098 Comment
  RSA0082546  Lupinus excubitus var. austromontanus Ernest C. Twisselmann 1962-4-18 6973 Los Angeles Tejon Ranch: Oso Canyon, ca. 1 mile above Oso Corral. 1036 Comment
  POM47143  Lupinus excubitus var. hallii I. M. Johnston 1924-8-13 2600 Los Angeles Sunset trail, 1 mi. S of Sunset Peak 1584 Comment
  RSA199044  Lupinus excubitus var. hallii W. M. Gauntt 1966-4-30 170 Los Angeles Glendora Mt. Ridge Road. 1/2 mile south of ''Y'' to Mt. Baldy. 914 Comment
  SEINET10485308  Lupinus excubitus var. hallii David B. Dunn 1956-1 Dunn RSA# 6454 x 7325(2) Los Angeles Plants 2 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. The numbers are the field plant Numbers of rsa. 1St # is female parent x 2nd # male parent () parenthetic # is F1 plant no. Seeds from open field pollen vector. Comment
  POM175570  Lupinus excubitus var. johnstonii E. Crow 1930-6-29 s.n. Los Angeles Along trail between Camp Coldbrook and Pine Flats, San Gabriel Mountains. Comment
  UC56603  Lupinus formosus var. robustus H. M. Hall Apr. 1902 3055 Los Angeles s side Antelope Valley; s side Antelope Valley Comment
  RSA592398  Lupinus hirsutissimus Mark Hoefs 1974-3-28 418 Los Angeles Santa Catalina Island: upper Bulrush Canyon 290 Comment
  SBBG106902  Lupinus hirsutissimus M. L. Hoefs, R. F. Thorne 1996-4-6 2650 Los Angeles Renton Mine Rd 243 Comment
  SEINET4035782  Lupinus hirsutissimus M. B. Dunkle 1939-1 7299 Los Angeles San Clemente Island. Comment
  RSA413688  Lupinus hirsutissimus Robin S. Collins 1973-3-26 212 Los Angeles Angeles National Forest: San Gabriel Mountains: Trail Canyon. Along pack trail ca. 1/2 - 1 mile into canyon 671 Comment
  RSA0085033  Lupinus latifolius subsp. parishii R. G. Swinney 2010-4-30 12446 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
  SEINET10489279  Lupinus latifolius subsp. parishii Victor Duran 1933-7-21 Duran 3523 Los Angeles Buckhorn, san gabriel mts. Springy places and along streams. 1981 Comment
  CAS-BOT-BC211695  Lupinus longifolius Theodore Payne 1948-5-15 12287 Los Angeles La Canada Comment
  CLARK-A1528-4981  Lupinus longifolius John C. Roos 1937-6-29 1707 Los Angeles Santa Monica Mountains Comment
  SEINET10485602  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
  SEINET10937115  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
  SBBG67048  Lupinus microcarpus var. microcarpus R. Hoffmann 1932-4-27 Los Angeles Harold Comment
  RSA616719  Lupinus peirsonii L. C. Wheeler 1968-6-1 s.n. Los Angeles San Gabriel Mtns.: Big Rock Creek at Angeles Crest Hwy. 2164 Comment
  UC1215274  Lupinus peirsonii Wesley O. Griesel 1962-5-28 Los Angeles State Hwy #2, 2-1/2 mi e Dawson Saddle (San Gabriel Mts.); , e of Dawson Saddle 2286 Comment
  SD197776  Lupinus sparsiflorus R. G. Swinney 2008-4-30 8716 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, Monroe Canyon. 548 Comment
  UCR88616  Lupinus sparsiflorus Scott D. White, Chet McGaugh 1995-5-16 3082 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
  UCSB33967  Lupinus sparsiflorus Swanson, D. 1978-4-30 Los Angeles Shields Canyon, 7 miles north of Glendale in San Gabriel Mountains 609 Comment
  RSA414812  Lupinus sparsiflorus subsp. sparsiflorus George R. Johnston 1926-4-24 s.n. Los Angeles Antelope Valley Comment
  RSA0088829  Lupinus succulentus Bonnie C. Templeton, I. W. Clokey 1930-4-8 s.n. Los Angeles San Francesqueto Canyon. Comment
  RSA654332  Lupinus succulentus Benjamen Rangel 1992-4-12 777 -11 Los Angeles Off road behind light post G-22, by the cow corrals at Cal Poly Pomona. Comment
  CHSC8295  Lupinus truncatus Edward L. Smith 1957-4-29 172 Los Angeles Plant from Cactus Garden, Pomona College, Claremont. 365 Comment
  RSA182751  Lupinus truncatus J. Massey 1966-3-26 1131 Los Angeles Cobal Canyon, 0.25 miles from entrance. Comment
  RSA712719  Lupinus truncatus A. C. Sanders 2003-3-14 25778 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd., north edge of 210 freeway east of the San Gabriel River channel. 159 Comment
  UC729581  Lupinus truncatus Carl B. Wolf 1932-5-9 3480 Los Angeles left (E.) Fork of Pebbly Beach Canyon Santa Catalina Island (1/3 mi above Mexican Houses); , left (E.) Fork Pebbly Beach Canyon 152 Comment
  RSA414371  Lupinus truncatus M. B. Dunkle 1938-3-20 5255 Los Angeles Palos Verdes Hills, Los Angeles. Comment
  CAS-BOT-BC233477  Lycium californicum C. G. Pringle 1882-3-31 s.n. Los Angeles Wilmington Comment
  JEPS11731  Lycium californicum R. A. Casad 1920-1-26 Los Angeles Huntington Beach Comment
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Dec 23 2014
  SEINET13383963 Image available Lycium cooperi R. G. Swinney 2011-1 14443 Los Angeles San Gabriel Mountains: Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 mile upstream in Hunt Cyn. (Pacifico Mountain 7.5' Q.); 34.480278 -118.0675 1219 Comment
  CATA1171  Lysimachia arvensis Mark L. Hoefs 1995-5-30 2165 Los Angeles Santa Catalina Island: In and near water course, just above Ben Weston Beach 15 Comment
  SBBG13674  Madia exigua P. H. Raven 1962-5-21 17812 Los Angeles lower end of Bullrush Cyn 198 Comment
  RSA187863  Madia gracilis R. F. Thorne 1966-4-28 36220 a Los Angeles Santa Catalina Island: W-facing rocky bank near upper end Renton Mine road in Pebbly Beach Canyon. 259 Comment
  UC1348873  Madia gracilis Robert F. Thorne 1966-4-30 36345 Los Angeles on sea bluff above beach at mouth of Gallagher's Canyon; Santa Catalina Island 7 Comment
  UCR193676  Madia gracilis R. G. Swinney, Dave Larson 1999-6-25 7411 Los Angeles San Gabriel Mtns., Fern Canyon, c. 1.75 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  RSA604006  Mahonia dictyota L. C. Wheeler 1936-6-23 4178 Los Angeles San Dimas Canyon, San Gabriel Mountains. 701 Comment
  RSA85456  Mahonia dictyota Joseph A. Ewan 1932-7-4 7590 Los Angeles Millard s Canyon. 1159 Comment
  RSA646965  Maianthemum stellatum Orlando Mistretta 1993-7-6 924 Los Angeles Buckhorn Canyon, near exit to Buckhorn Canyon Campground. Comment
  UCR256160  Malacothamnus R. G. Swinney 2010-6-4 13040 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
  UCR25081  Malacothamnus davidsonii Don Emery 1981-12-3 s.n. Los Angeles San Gabriel Mtns., Big Tujunga Canyon, just south of the Angeles National Forest on BLM land. 610 Comment
  POM155667  Malacothamnus fasciculatus M. B. Dunkle 1928-5-20 1966 Los Angeles Santa Catalina Island. Bank below Eagle Nest Rock, Tree 10, Middle Ranch Canyon 91 Comment
  CAS-BOT-BC206357  Malacothamnus fremontii C. B. Wolf 1931-10-23 1353 Los Angeles Swartout Valley, 1/8 mi. E of Wrightwood Lodge, San Gabriel Mts. 1828 Comment
  RSA188535  Malacothamnus fremontii Robert F. Thorne, J. Olmstead 1965-8-26 35397 Los Angeles Near Camp Lupine along Prairie Fork 1982 Comment
  UCR127638  Malacothamnus marrubioides Mark A. Elvin 2003-8-13 2988 Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River at the mouth of Long Canyon 274 Comment
  RSA616376  Malacothrix clevelandii Scott D. White, Pam DeVries 1998-5-15 6491 Los Angeles Soledad Canyon area: proposed quarry area N of Soledad Canyon. Road., S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Cyn. 579 Comment
  POM175363  Malacothrix clevelandii E. Crow 1930-6-29 s.n. Los Angeles above camp Coldbrook Comment
  RSA144686  Malacothrix clevelandii P. H. Raven, Henry J. Thompson 1960-4-12 15034 Los Angeles Oak woodland southwest of Seminole Hot Springs 366 Comment
  IRVC27981  Malacothrix coulteri A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26112 Los Angeles Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam Western San Gabriel Mtns. 488 Comment
  SBBG96804  Malacothrix foliosa subsp. foliosa S. Boyd with T. Ross, L. Arnseth 1990-4-7 4238 Los Angeles lower half of China Cyn Comment
  UCR139906  Malacothrix saxatilis Scott D. White 1997-5-14 5141 Los Angeles Base of San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, SW of 210 Freeway, east of Hansen Dam and north of Wentworth Street 351 Comment
  LA200248  Malacothrix saxatilis var. tenuifolia Jonathan Sauer; L. Loeher 1979-4-14 6065 Los Angeles 91 Comment
  RSA187924  Malacothrix saxatilis var. tenuifolia R. F. Thorne 1966-6-1 36469 Los Angeles Santa Catalina Island, on dry northeast-facing bluff along Pebbly Beach Drive southeast of Avalon 8 Comment
  RSA54052  Malacothrix saxatilis var. tenuifolia J. T. Howell 1948-7-2 24769 Los Angeles Palos Verde Hills. Comment
  CAS-BOT-BC167871  Malosma laurina Grant 1901-7-25 4451 Los Angeles Sturtevants Camp Trail Comment
  POM62150  Malva nicaeensis Roxana Stinchfield 1916-6-15 272 Los Angeles House yard - College City. Comment
  LA38809  Malva parviflora Peter H. Raven; Henry J. Thompson 1959-10-4 14584 Los Angeles Santa Monica Mountains, Point Mugu, 2 mi. N of Point Mugu along field by Revolon Slough 9 Comment
  RSA533441  Malva parviflora Tim S. Ross 1991-4-21 4508 Los Angeles Whittier Hills (Puente Hills, pro parte), Skyline Drive at the head of Turnbull. 323 Comment
  RSA590858  Malva pseudolavatera Tim S. Ross, Angelika Brinkmann-Busi 1992-3-28 6059 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; Camino Porvenir road on the W margin of Los Verdes Golf Course. Comment
  RSA433881  Malvella leprosa Anstruther Davidson 1889-07 s.n. Los Angeles Temple Comment
  RSA764300  Marah macrocarpa Doris Bowers 1957-3-10 793 Los Angeles Rocky Point, LaVerne. 335 Comment
  POM18425  Marah macrocarpa P. A. Munz 1923-4-11 s.n. Los Angeles San Clemente Island: low shore on west coast. Comment
  SEINET10575281  Marah macrocarpa David B. Dunn 1941-2-22 Dunn 688 Los Angeles Mulholland Drive near Beverly Glen. Comment
  SEINET13710414  Marah macrocarpa J. Adams, J. Adams (Botany) 1963-1 1 Los Angeles Claremont, Pomona College Wash 1100 Ft 335 Comment
  PASA1163  Marrubium vulgare Sally Ellis 1940-4-16 Los Angeles Claremont Comment
  RSA595158  Matricaria matricarioides Steve Boyd 1996-4-25 8703 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 915 Comment
  POM97153  Meconella denticulata P. A. Munz 1925-4-23 9413 Los Angeles San Gabriel Canyon. 305 Comment
  SFV7153  Medicago lupulina V. E. Rudd 1974-8-3 3423 Los Angeles San Fernando Valley Los Angeles, Reseda. 225 Comment
  RSA675004  Medicago polymorpha LeRoy Gross 2003-2-22 735 Los Angeles South side; A short distance up mouth of Brand Canyon, south next to Brand Canyon Cemetery. North of the Debris Basin. 287 Comment
  UCR99467  Medicago polymorpha L. C. Wheeler 1957-5-17 7267 Los Angeles San Gabriel Valley, Pasadena. NW corner of Cal Tech campus, San Pasqual St. and North Wilson Avenue Comment
  CDA4222  Medicago polymorpha L. C. Wheeler 1967-5-18 9649 Los Angeles San Gabriel Mountains, vicinity of Oak of the Golden Dream. Comment
  POM348029  Medicago polymorpha C. B. Liter 1928-04 s.n. Los Angeles Seal Beach. Comment
  POM348052  Medicago polymorpha var. brevispina C. B. Liter, J. A. Powell 1928-4-5 s.n. Los Angeles Catalina Island. Banning Canyon. Comment
  SD186366  Melaleuca nesophila A. C. Sanders 1987-9-18 7373 Los Angeles El Segundo Dunes, west of LA International Airport. 38 Comment
  CHSC108514  Melaleuca quinquenervia R. E. Riefner Jr. 2007-3-10 07 -110 Los Angeles City of San Pedro, near Cabrillo Beach Park, salt marsh inlet channel at Salinas de San Pedro. 3 Comment
  UCR249901  Melaleuca viminalis R. E. Riefner Jr. 2004-8-22 04- 384 Los Angeles city of Pasadena, Arroyo Seco Creek, Lower Arroyo Park, vicinity of Colorado Blvd overpass 122 Comment
  CAS-BOT-BC281512  Melica imperfecta Timothy S. Ross; Steve Boyd 1991-4-25 4600 Los Angeles San Gabriel Mts: lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at ca 1540 ft elev) 557 Comment
  POM263184  Melica imperfecta J. C. Roos 1937-3-25 442 Los Angeles 12 miles west of Lancaster Comment
  RSA357051  Melica imperfecta Donald R. Bissing 1973-6-2 163 Los Angeles Evey Canyon; San Gabriel Mountains. 707 Comment
  RSA522443  Melica imperfecta Timothy S. Ross 1990-7-10 4062 Los Angeles NE of Tie Summit Station and E of Angeles Forest Hwy. Westerly drainage that meets Tie Canyon. Tujunga Ranger District, Angeles National Forest. 1463 Comment
  RSA623822  Melica imperfecta Jack Hudson 1950-02 s.n. Los Angeles San Rafael Hills bet Glenoaks and hill Dr. Comment
  UC736845  Melica imperfecta Frank W. Gould 1944-4-1 2193 Los Angeles Playa del Rey Comment
  RSA727244  Melica stricta R. G. Swinney 1998-6-12 6192 Los Angeles NW of Jackson Lake at Ball Flat, 0.3 mi north of Big Pines Hwy on 4N16, Ball Flats Rd. 1866 Comment
  RSA618989  Melilotus albus LeRoy Gross 1998-9-20 77 Los Angeles Southern base San Gabriel Mtns.: Tujunga Ponds. West of 210 freeway in big Tujunga wash, city of Sunland. 365 Comment
  RSA0087236  Melilotus indicus R. G. Swinney 2010-5-4 12512 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
  UC1215279  Melilotus indicus Peter H. Raven 1962-4-9 17128 Los Angeles Wilson Cove San Clemente Island (near barracks) 60 Comment
  JEPS41152  Mentzelia albicaulis W. L. Jepson 1939-4-21 19231 Los Angeles Mojave Desert, Fairmont 847 Comment
  SFV5399  Mentzelia congesta J. Turner, F. M. Ball, C. Blake 1962-6-2 s. n. Los Angeles San Gabriel Mountains Angeles Crest Highway [= Angeles Forest Highway], 4 miles south of junction with U. S. Highway 6. Roadside. 1220 Comment
  RSA600059  Mentzelia dispersa Steve Boyd, Lauren Raz 1997-5-20 9814 Los Angeles Liebre Mountains region: Northern flank of Sawmill Mountain, upper Heryford Canyon drainage, just northeast of Sawmill Summit at the junction of Forest Service roads 7N23 and 7N08. 1341 Comment
  UCR222804  Mentzelia laevicaulis R. G. Swinney 2009-5-8 10701 Los Angeles Transverse Range; San Gabriel Mtns., Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  RSA265793  Mentzelia laevicaulis J. C. Roos 1942-9-24 1740 Los Angeles Gravel wash, Monrovia. Comment
  RSA440457  Mentzelia laevicaulis M. B. Dunkle 1933-7-11 3662 Los Angeles Lower San Gabriel Canyon. Comment
  LA200641  Mentzelia micrantha A. M. Johnson; 1934-5-4 4471 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  RSA446759  Mentzelia micrantha F. R. Fosberg 1931-3-23 4337 Los Angeles Hamilton Canyon, near Avalon, Santa Catalina Island. 25 Comment
  RSA748842  Mentzelia micrantha Justin M. Wood 2009-4-13 493 Los Angeles Foothills above the city of Sierra Madre, one carter estates at the end of Baldwin Ave. 49 Comment
  UC990921  Mentzelia montana D. F. Howe 1947-5-6 Los Angeles North Face San Gabriel Mts. Comment
  RSA607018  Mentzelia veatchiana Louis C. Wheeler 1968-5-27 s.n. Los Angeles San Gabriel Mountains: Alimony Ridge. 1494 Comment
  CAS-BOT-BC435288  Mesembryanthemum nodiflorum L. R. Abrams; I. L. Wiggins 1931-7-7 397 Los Angeles Channel Islands. Catalina Harbor, Santa Catalina Island Comment
  RSA402626  Mesembryanthemum nodiflorum F. R. Fosberg 1930-7-7 S- 3148 Los Angeles Alamitos Bay 5 Comment
  SFV10357  Micropus californicus M. L. Vincent 1963-5-22 358 Los Angeles Santa Monica Mountains Intersection of Old Topanga Canyon Road and Mulholland Highway, 0.5 miles off road. Comment
  CAS-BOT-BC348448  Micropus californicus var. californicus Louis C. Wheeler 1932-5-28 784 Los Angeles Flat below Hogback on San Antonio Canyon, San Gabriel Mts. 1280 Comment
  UCR186878  Microseris douglasii A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-14 32077 Los Angeles Transverse Range; Liebre Mtns. Region, 3/4 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 976 Comment
  UCR187267  Microseris douglasii A. C. Sanders 2006-4-18 32112 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, c. 2 miles due north of the west end of Quail Lake 1037 Comment
  CAS-BOT-BC349180  Microseris elegans Hasse 1890-5-1 s.n. Los Angeles Santa Monica Comment
  RSA617728  Microseris heterocarpa Scott D. White 1998-5-22 6564 Los Angeles Castaic Lake area: Grasshopper Canyon. watershed, between I-5 Freeway / Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  UCR281646  Microseris lindleyi R. G. Swinney 2014-5-8 16455 Los Angeles San Gabriel Mountains, near Lang, 50-100 meters SW of Soledad Cyn. Rd. at a curve, Santa Clara Wash and Bee Cyn. confluence 537 Comment
  POM363468  Microseris lindleyi Grinnell 1921-4-3 15737 Los Angeles Santa Monica Mts, Pacoima Canyon Comment
  RSA586287  Mimulus androsaceus Orlando Mistretta 1995-3-14 1540 Los Angeles San Gabriel Mountains: Broad drainage basin on desert edge W. of Little Rock Creek. On Emma section of Little Rock Creek Management unit. 1280 Comment
  RSA598854  Mimulus androsaceus Steve Boyd, Tim S. Ross 1997-3-21 9228 Los Angeles Liebre Mountains, Portal Ridge, head of Broad Canyon, east of VABM King and 0.2 miles east of the junction of Forest Service Roads 7N07 and 7N07A, near an abandoned road alignment leading down ridgeline dividing Bleich Canyon and Broad Canyon. 1311 Comment
  RSA60286  Mimulus aurantiacus G. R. Campbell 1948-5-13 580 Los Angeles Just below fire station, San Dimas Canyon, San Gabriel Mountains 610 Comment
  UC943827  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-6 1888 B Los Angeles hills a few mi w Pomona (on Highway 99 at summit of grade on high cut s side of road) Comment
  RSA0040125  Mimulus brevipes Orlando Mistretta 1990-7-2 s.n. Los Angeles Bear Flat 1746 Comment
  RSA0107434  Mimulus brevipes R. G. Swinney 2011-5-31 14898 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  RSA724667  Mimulus brevipes K. Dobry 1991-6-24 d- 747 Los Angeles At Soka Univ. Santa Monica Mts. Las Virgenes and Mulholland Hwy. Comment
  SEINET12269798  Mimulus brevipes I. Tavares, Brinson, V. 1962-1 255 Los Angeles Bouquet (Boquet) Canyon road, 3 mi S of Boquet Canyon Guard Station Comment
  SEINET11262500  Mimulus cardinalis Richard S. Felger 1968-6-13 s.n. Los Angeles Elsmere Canyon, San Gabriel Mts. Ca 2 mi se of Newhall.; 0 518 Comment
  SEINET12269807  Mimulus cardinalis Unknown 1933-1 8415 Los Angeles near Los Angeles Comment
  UCR163103  Mimulus floribundus Anuja Parikh, Nathan Gale 2004-6-3 2038 Los Angeles Newhall Ranch, along Santa Clara River (SCR sect. 4) between confluence of Castaic Creek and Castaic Junction 305 Comment
  UC672540  Mimulus fremontii var. fremontii Margaret Stason 1927-5-14 Los Angeles between Big Rock Creek and Valyermo-Wrightwood Road (Pinyon Ridge); San Gabriel Mountains Comment
  POM48  Mimulus guttatus J. F. Illingworth 1898-04 s.n. Los Angeles Claremont. 366 Comment
  RSA0093472  Mimulus guttatus Richard G. Swinney 2011-6-7 15054 Los Angeles San Gabriel Mountains: Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy.2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek. 1573 Comment
  RSA729851  Mimulus guttatus R. G. Swinney, A. C. Sanders 1998-8-28 6833 Los Angeles San Gabriel Mtns.: Stoddard Canyon at 'Stoddard Falls' 915 Comment
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Dec 10 2020
  UC1483364  Mimulus guttatus Jack Delaini 1974-4-25 137 Los Angeles at mouth Lodi Canyon (San Dimas Creek); Angeles National Forest, San Dimas Experimental Forest 426 Comment
  UC56672  Mimulus inodorus Ernest Braunton Aug. 1902 656 Los Angeles Oak Knoll Comment
  JEPS86970  Mimulus johnstonii David M. Thompson 1986-6-8 495 Los Angeles 7.0 mi n Angeles Crest Hwy (Hwy 2) (along road following South Fork of Little Rock Creek (beginning at Three Points on USGS map)); San Gabriel Mts. Comment
  RSA80142  Mimulus johnstonii F. W. Peirson 1919-6-13 480 Los Angeles Rock Creek. 1296 Comment
  RSA0036824  Mimulus moschatus var. moschatus Justin M. Wood 2011-7-7 4335 Los Angeles San Gabriel Mountains: Little Rock Creek: just upstream of Little Rock reservoir. 999 Comment
  RSA97700  Mimulus palmeri R. M. Straw 1954-6-16 626 Los Angeles Horse Flats Road, off Angeles Crest Hwy. Angeles National Forest. Comment
  LA51879  Mimulus pilosus W. O. Griesel; 1936-4-26 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon, Summit Decker Road. Comment
  RSA0068451  Mimulus pilosus R. G. Swinney 2010-6-23 13341 Los Angeles Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace. 335 Comment
  UCR273244  Mimulus pilosus R. G. Swinney 2011-6-1 14945 Los Angeles San Gabriel Mountains, Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy 1113 Comment
  RSA226103  Mimulus pilosus Robert F. Thorne, C. W. Tilforth 1971-6-17 39915 Los Angeles Near small pond in canyon below Placerita Canyon road 2.6 mile below junction with Sand Canyon road; W end San Gabriel Mts. 549 Comment
  CHSC101711  Minuartia douglasii V. Soza; LeRoy Gross 2002-4-3 1379 Los Angeles Transverse Ranges, Liebre Mountains region; west side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. Comment
  RSA592255  Minuartia douglasii L. C. Wheeler 1967-5-12 9471 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA747856  Minuartia douglasii Scott D. White, Justin M. Wood 2009-5-6 12662 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  RSA787214  Mirabilis laevis J. D. Olmsted 1958-3-17 58 Los Angeles Johnson s Pasture Road with SW drainage along Thompson Creek 1.25 mi NW of intersection Indian Hill and Baseline, NW of Claremont. 473 Comment
  CAS-BOT-BC434638  Mirabilis laevis var. crassifolia Geo. B. Grant 1904-4-16 791 Los Angeles Los Angeles Comment
  CAS-BOT-BC434648  Mirabilis laevis var. crassifolia P. A. Munz; R. D. Harwood 1920-5-15 3929 Los Angeles Santa Monica Mts., Coldwater Canyon 304 Comment
  SBBG69860  Mirabilis laevis var. crassifolia M. N. Ackley 1927-4-24 717 Los Angeles Bouquet Cyn 365 Comment
  UC1584108  Mirabilis laevis var. crassifolia Tim Ross 1991-2-23 4103 Los Angeles ca 1/5 air mi wnw of Turnbull Canyon Rd x Skyline Drive Upper Turnbull Canyon; Whittier Hills (Puente Hills) 295 Comment
  UC7655  Mirabilis laevis var. crassifolia Jos. Burtt Davy 1901-3-1 Los Angeles Saugus Comment
  RSA0027966  Mirabilis laevis var. crassifolia Steve Boyd, L. Arnseth, T. S. Ross 1990-4-7 4187 Los Angeles San Clemente Island: Upper reaches of China Canyon, S end of island, W side. Comment
  RSA128269  Mirabilis laevis var. crassifolia H. J. Thompson 1959-4-12 1924 Los Angeles Santa Monica Mountains: 2 miles west of Las Virgenes Road, Mulholland Highway. 305 Comment
  UCR256610  Mirabilis multiflora var. pubescens Anuja Parikh, Nathan Gale 2011-6-1 3404 Los Angeles Mojave Desert, Antelope Valley, 0.6 km south of Avenue K, 0.2 km east of 90th St. West, under powerlines 760 Comment
  CAS-BOT-BC435030  Mollugo verticillata A. C. Sanders; Dan S. Cooper 2010-8-5 38534 Los Angeles South Coast: Madrona Marsh Preserve, Torrance. 24 Comment
  RSA96406  Monardella australis subsp. cinerea E. K. Balls 1954-9-4 19786 Los Angeles Trail from ski lift to Badly Summit 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
  JEPS63313  Monardella cinerea Frank W. Peirson 1918-6-8 182 Los Angeles Baldy (Mt. San Antonio); San Gabriel Mts. 2286 Comment
  RSA765466  Monardella exilis Doris Bowers 1957-4-25 317 Los Angeles Mojave Desert N/o Big Pines 1220 Comment
  UC130970  Monardella exilis Katharine Brandegee May 1909 Los Angeles Lancaster Mohave Desert Comment
  RSA773859  Monardella linoides R. G. Swinney 2009-8-25 11466 Los Angeles west summit of Table Mountain, NE of Big Pines. 2284 Comment
  UCR184103  Monolopia lanceolata A. C. Sanders 2007-4-13 33410 Los Angeles Tehachapi Mtns. Foothills, southeast of National Cement Plant, along creek just below Kern Co. line 1006 Comment
  RSA0072146  Mucronea perfoliata Orlando Mistretta, Mike Hammitt 1991-4-16 s.n. Los Angeles Bee Canyon. 582 Comment
  RSA392757  Mucronea perfoliata Anstruther Davidson 1906-01 1948 Los Angeles Big Rock Creek Comment
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Aug 12 2017
  RSA754606  Muhlenbergia microsperma R. F. Thorne 1980-4-27 54148 Los Angeles Santa Catalina Island. From Blackjack Camp into Cape Canyon Comment
  UC76934  Muhlenbergia microsperma Geo. B. Grant June 1901 801 Los Angeles Altadena Comment
  UCR256623  Muhlenbergia rigens R. G. Swinney 2010-9-9 13759 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  UCR149324  Muilla maritima R. G. Swinney 1998-4-14 5992 Los Angeles San Gabriel Mtns., Pinon Hills area, 0.7 miles west of 237th St. at Panarama Rd., NW of mouth of Mescal Cyn., Mescal Highlands, 2.7 miles south of Ft. Tejon Rd. 1402 Comment
  CAS-BOT-BC515102  Muilla maritima V. June Wetherell; C. F. Quibell 1960-4-29 241 Los Angeles Angeles National Forest, along road to Crystal Lake Recreation Area. Comment
  CAS-BOT-BC327741  Munzothamnus blairii Peter H. Raven 1962-4-12 17310 Los Angeles San Clemente Island. Large canyon below the Tomb. 243 Comment
  JEPS30072  Myrica californica Dr. H. E. Hasse 1890-7-15 2 Los Angeles Santa Monica Range, Rustic Canyon Comment
  RSA628798  Myriophyllum aquaticum H. L. Cogswell 1948-5-8 s.n. Los Angeles 3 mi. S. of El Monte. S.W. Cate Ditch property, San Gabriel River Wildlife Santuary. Comment
  SBBG13268  Myriopteris newberryi M. A. Piehl 1962-6-9 62316 Los Angeles just below (N of) Chenity (S of Mosquito Cove) 304 Comment
  RSA587128  Nama californica Orlando Mistretta 1995-5-23 1735 Los Angeles Bare Mt. Canyon near summit of Bare Mt. on N ridge. 1768 Comment
  SFV2977  Nama demissum P. G. Kilburn 1958-4-18 s. n. Los Angeles Mojave Desert Palmdale. Ave. N and 22nd Street, 3 miles northwest of town. 790 Comment
  SBBG56993  Nassella cernua M. N. Ackley -Mar-1924 48 Los Angeles Eagle Rock 304 Comment
  CAS-BOT-BC259921  Nassella lepida Louis C. Wheeler 1936-6-8 4125 Los Angeles Bell-San Dimas Canyon divide, San Gabriel Mountains 960 Comment
  LA105104  Nassella lepida Barry A. Prigge; 1988-7-9 8266 Los Angeles SANTA MONICA MOUNTAINS, Calabasas, 0.3 mi SE of N-jtn of Mulholland Hwy and Old Topanga Rd, S of Calabasas High School. 405 Comment
  RSA585083  Nassella pulchra C. Epling, L. Ellison 1930-3-28 s.n. Los Angeles Las Flores Canyon. Santa Monica Mountains. Comment
  RSA678120  Nassella pulchra Valerie L. Soza, LeRoy Gross 2001-5-22 1237 Los Angeles Morgan Fire 2000 area, between Morgan and Sycamore Canyons, WSW of Sycamore Flat. 655 Comment
  POM346626  Nasturtium officinale Barry Burnell 1969-5-22 135 Los Angeles San Antonio Canyon just below the narrows below Camp Baldy. San Antonio Creek Drainage Area. 1067 Comment
  RSA555453  Navarretia atractyloides R. F. Thorne 1966-4-30 36356 Los Angeles Santa Catalina Island; Grassy slope above Gallagher's Canyon 427 Comment
  RSA0062676  Navarretia atractyloides Jim M. Morrow 1959-5-18 s.n. Los Angeles Edge of Rio Hondo River, near El Monte. 304 Comment
  LA201798  Nemacladus ramosissimus Arthur C. Gibson; 2003-5-30 4957 Los Angeles Comment
  RSA596128  Nemacladus sigmoideus T. S. Ross, S. D. Boyd 1995-6-29 8658 Los Angeles Near west summit of Liebre Mountain. 1707 Comment
  SEINET10460868  Nemacladus sigmoideus Thorne THORNE 43359 Los Angeles MOJave Desert Slope 1158 Comment
  RSA421298  Nemophila menziesii Reid V. Moran 1941-3-6 681 Los Angeles Middle Ranch Canyon, Santa Catalina Island. 300 Comment
  RSA596000  Nemophila menziesii var. integrifolia Louis C. Wheeler 1967-5-2 9258 Los Angeles Liebre Mountains. North side of northwestern most end of foothills (of San Gabriel Mts.) between Bouquet Junction and Bonelli Ranch. 366 Comment
  RSA729931  Nemophila menziesii var. menziesii R. G. Swinney 1998-4-14 6025 Los Angeles Southern Mojave Desert: 100 m east of mouth of Mescal Canyon, in Mescal Heights area, 50 m E of 237th St. East 1512 Comment
  POM145752  Nicolletia occidentalis Thos. Craig 1927-6-19 471 Los Angeles Near Little Rock Dam, north base San Gabriel Mts. Comment
  RSA0036977  Nicotiana attenuata R. G. Swinney 2010-5-11 12668 A 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
  RSA701674  Nicotiana bigelovii Kenneth Beard s.n. Los Angeles Along coast highway; north of Santa Monica Comment
  CATA579  Nicotiana glauca Mark L. Hoefs 1991-4-7 1018 Los Angeles Santa Catalina Island: Cottonwood Canyon east of main road 64 Comment
  POM199714  Nicotiana glauca I. W. Clokey, Bonnie C. Templeton 1929-06 4583 Los Angeles Mandeville Canyon. 150 Comment
  RSA649016  Nicotiana glauca Scott Lowe 1991-4-9 9 Los Angeles San Gabriel River channel, about 100 m. south of Valley Boulevard bridge, city of El Monte. Comment
  SBBG44675  Nicotiana glauca W. A. Wright 1931-2-19 Los Angeles Bannings Cyn 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
  UCR125242  Nicotiana glauca A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25500 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
  SBBG98671  Nuttallanthus texanus T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5181 Los Angeles 1100 ft SSW of Twin Dams, 1450 ft NNW of Boulder marker (1859) 490 Comment
  RSA458913  Oenanthe sarmentosa L. C. Wheeler 1933-7-7 1918 Los Angeles Lexington Wash near El Monte. 73 Comment
  UC21141  Oenanthe sarmentosa unknown 1893-7-10 476 Los Angeles Pasadena Comment
  UC20445  Oenothera deltoides subsp. deltoides J. Burtt Davy May 9 1896-May 24 1896 2276 Los Angeles Lancaster Antelope Valley Comment
  UCSB4459  Oenothera elata Kamb, Peter 1948-7-13 Los Angeles Big Tujunga Canyon below Wildwood, San Gabriel Mts. 518 Comment
  UCR131398  Oenothera laciniata Alison Lipman 1998-5-28 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
  UCR276956  Opuntia basilaris R. G. Swinney 2010-6-1 13087 D Los Angeles San Gabriel Mountains, Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1098 Comment
  CAS-BOT-BC56212  Opuntia basilaris var. basilaris Ira L. Wiggins 1907-3-10 8775 Los Angeles Field redacted by CAS, contact the data manager for more information Comment
  RSA661004  Opuntia ficus-indica LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 396 Los Angeles Vedugo Mountains Region: Northwest side, just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek. City of Sun Valley. 274 Comment
  UCR223238  Orobanche R. G. Swinney 2009-5-27 10881 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  RSA0104814  Orobanche bulbosa Louis C. Wheeler 1968-7-3 s.n. Los Angeles North side of Bichota Canyon, east of heliport. 1402 Comment
  RSA641684  Orobanche californica subsp. feudgei Orlando Mistretta 1993-6-2 854 Los Angeles San Gabriel Mountains: Vicinity of Mt. Baden Powell. Near Vincent Gap above Vincent Gulch. 2012 Comment
  RSA640132  Orobanche fasciculata Louis C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: North side of Burkhart Saddle. 2104 Comment
  CAS-BOT-BC499908  Orobanche fasciculata C. Epling; C. Darland 1935-6-1 s.n. Los Angeles Tujunga Canyon Comment
  RSA0059184  Orobanche uniflora subsp. occidentalis Frank W. Peirson 1921-5-12 1174 Los Angeles Big Santa Anita Trail, south slope of San Gabriel Mts. 762 Comment
  POM292781  Orthocarpus purpurascens Lyman D. Benson 1945-4-14 11673 Los Angeles Claremont. 351 Comment
  RSA591067  Orthocarpus purpurascens var. purpurascens J. Mark Porter, J. Travis Columbus, Gracie dos Santos 1996-6-5 10915 Los Angeles Ca. 2 mi N Solemint, just off Arline Rd., 2.0 mi from intersection with Sierra Hwy. Around a vernal pool on shelf above Plum Canyon and Arline Rd. Pool not evident from road. 610 Comment
  UCR189680  Osmorhiza brachypoda R. G. Swinney 1998-5-30 6171 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  PASA1829  Osmorhiza nuda Sally Ellis 1940-4-16 Los Angeles Eve's canyon, Claremont Comment
  UCR191296  Oxytheca parishii R. G. Swinney 1998-7-2 6267 Los Angeles San Gabriel Mtns., north of Table Mountain, Wrightwood area, 1.6 mi. north of junction of roads 4N21B, 4N21A, and 4N21 on ridge north of end of 4N21 1963 Comment
  CAS-BOT-BC403915  Parietaria hespera Martin A. Piehl 1962-6-10 62391 Los Angeles California Islands. Canyon east of Thirst. San Clemente Island 304 Comment
  SBBG42531  Parietaria hespera var. californica M. B. Dunkle 1939-4-3 7219 Los Angeles Chenetti Cyn Gorge Comment
  RSA3690  Pectocarya linearis subsp. ferocula C. B. Wolf 1932-5-10 3536 Los Angeles Santa Catalina Island, 100 yards SE of summit of Equestrian Trail, back of Avalon 305 Comment
  SBBG53196  Pectocarya linearis subsp. ferocula R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -218 Los Angeles lower-middle Bullrush Cyn, Salta Verde Comment
  UC551846  Pectocarya linearis subsp. ferocula F. R. Fosberg 1932-5-7 10644 Los Angeles summit Coach Raood; Santa Catalina Island Comment
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Dec 4 2014
  RSA0120023  Pectocarya penicillata R. G. Swinney 2014-4-30 16292 Los Angeles San Gabriel Mountains; 3.8-4.0 miles s. of Hwy. 138 on w. side of Largo Vista Road to ridge, c. 100 meters to the west. 1387 Comment
  RSA715782  Pectocarya penicillata Scott D. White, Pam De Vries 2006-5-10 11420 Los Angeles St Tehachapi: Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  CATA165  Pellaea andromedifolia Mark L. Hoefs 1973-3-17 128 Los Angeles Santa Catalina Island: Ben Weston Beach Road 45 Comment
  RSA592605  Pellaea andromedifolia Mark Hoefs 1973-3-17 128 Los Angeles Santa Catalina Island: hanging from slope near Ben Weston Beach Road. 60 Comment
  SFV21434  Pellaea andromedifolia L. Moore, R. Burchet, L. Gross, D. Zygielbaum 2000-6-8 48 Los Angeles Verdugo Mountains La Tuna Canyon Park. Off La Tuna Canyon Road on Santa Monica Mountains Conservancy Land. 659 Comment
  RSA187952  Pellaea andromedifolia var. andromedifolia R. F. Thorne 1966-4-28 36232 Los Angeles Santa Catalina Island: W-facing rocky bank near upper end Renton Mine road in Pebbly Beach Canyon. 259 Comment
  RSA747141  Pellaea mucronata subsp. mucronata R. G. Swinney 2008-6-9 8972 Los Angeles lower Sandrock Creek, 1.2 mi. SSW of Valyermo post office 1171 Comment
  RSA530062  Pellaea mucronata var. mucronata T. S. Ross 1991-8-16 5874 Los Angeles San Gabriel Mountains, Horse Flats 1787 Comment
  UCR208096  Pellaea mucronata var. mucronata D. L. Crawford, Otis Hiatt 1916-3-29 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Topanga Canyon Comment
  RSA686910  Pellaea mucronata var. mucronata Albert J. Perkins 1920-3-6 s.n. Los Angeles San Gabriel Moutains, Trail to Opido Camp Comment
  SBBG127961  Pennisetum clandestinum B. E. Carter 2012-8-31 7017 Los Angeles Black Jack Cmpgrd 460 Comment
  NY583787  Penstemon centranthifolius A. D. E. Elmer 06 1902 3606 Los Angeles Acton Comment
  UCR270926  Penstemon centranthifolius R. G. Swinney 2011-6-14 15121 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  UCR270102  Penstemon grinnellii R. G. Swinney 2011-7-21 15535 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  NY601162  Penstemon grinnellii F. W. Pennell 1940-8-23 26466 Los Angeles Mount Lowe 1524.0 Comment
  RSA733076  Penstemon grinnellii subsp. grinnellii R. G. Swinney 2001-6-20 7996 Los Angeles Summit of Mt. Lewis, NW of Dawson Saddle. 2524 Comment
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Feb 6 2013
  UCR178791  Penstemon heterophyllus subsp. australis R. G. Swinney 1989-5-13 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Colby Fire Rd., 100 yards south of Glendora Mtn. Road. 488 Comment
  POM254111  Penstemon heterophyllus var. australis Bonnie C. Templeton 1939-5-29 4585 Los Angeles Mint Canyon, at western end of San Gabriel Mountains. 840 Comment
  POM4267  Penstemon heterophyllus var. australis Philip A. Munz 1918-5-26 2276 Los Angeles Claremont. Near mouth of Live Oak Canyon. Comment
  NY604272  Penstemon labrosus V. Duran 1933-7-19 3519 Los Angeles Buckhorn, San Gabriel Mountains. 1981.2 Comment
  RSA0094383  Penstemon labrosus Richard G. Swinney 2011-6-23 15322 Los Angeles San Gabriel Mountains: Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao visitor Center. 1582 Comment
  RSA226542  Penstemon spectabilis C. W. Tilforth 1969-8-5 232 Los Angeles Vacant natural area N of Claremont. Comment
  RSA401801  Penstemon spectabilis Alva Watry 1931-5-10 s.n. Los Angeles Rattlesnake Canyon. Comment
  UCSB32473  Penstemon spectabilis Coz, Susan 1977-6-4 Los Angeles Across from Tapia Park, 5 mi. north of Malibu Canyon Road from Hwy. 1, on East side of road 182 Comment
  SD255820  Penstemon spectabilis subsp. subviscosus R. G. Swinney 2011-3-18 14138 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail (Glendora 7.5'Q) 366 Comment
  RSA191947  Pentachaeta lyonii Henry Mudd 1963-06 s.n. Los Angeles Saddle Rock Ranch Comment
  SD112411  Pentagramma triangularis Darley F. Howe 1915-3-1 29 Los Angeles San Gabriel Mountains, San Dimas Canyon Comment
  RSA0070714  Pentagramma triangularis M. M. Culter 1916-3-30 s.n. Los Angeles Fern Canyon. Comment
  RSA762294  Pentagramma triangularis subsp. triangularis Orlando Mistretta, Christine Mistretta 2008-5-6 2659 Los Angeles Southern California Edison transmission line corridor (Segment 11, Impact Areas 14, 15, 16 (Gould Subtation) per TRTP Survey 2008), in the vicinity of Arroyo Seco Canyon. 576 Comment
  UCSB7000  Peritoma arborea Wedberg, H. 1957-2-17 Los Angeles Point Dume 15 Comment
  RSA471846  Perityle emoryi M. B. Dunkle 1930-7-13 2435 Los Angeles Silver Canyon, Santa Catalina Island. Comment
  CAS-BOT-BC419013  Persicaria lapathifolia Frank W. Peirson 1924-8-23 5151 Los Angeles West fork of San Gabriel River, just above forks, San Gabriel Mountains 411 Comment
  CHSC3681  Phacelia Mary MacArthur 1966-5-26 28 Los Angeles San Gabriel Mts. Switzers Camp. 914 Comment
  SD194130  Phacelia austromontana R. G. Swinney 1998-7-21 6487 Los Angeles San Gabriel Mountains; 0.8 mile southeast of junction of Pine Mountain Ridge and Fish Fork Trail. 2256 Comment
  RSA0031808  Phacelia cicutaria var. hispida Geraldine Dodd 1992-5-16 012 Los Angeles San Gabriel Mts. 3 miles north of corner of Mira Monte Ave. & Mt. Wilson Trail Rd. in Sierra Madre. Mt. Wilson hiking trail. 914 Comment
  RSA0070277  Phacelia cicutaria var. hispida R. G. Swinney 2010-4-20 12289 Los Angeles Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA167644  Phacelia cicutaria var. hispida Peter H. Raven, Robert F. Thorne 1964-5-7 19010 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  UCD120316  Phacelia cicutaria var. hispida Daryl Koutnik 1978-4-14 351 Los Angeles Simi Hills at west end of Devonshire Blvd. 365 Comment
  UCR260349  Phacelia cicutaria var. hispida R. G. Swinney 2010-5-4 12560 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
  RSA133408  Phacelia cicutaria var. hispida Peter H. Raven 1959-5-3 14055 Los Angeles Santa Monica Mountains: Mulholland Drive near head of Franklin Canyon 381 Comment
  RSA228883  Phacelia davidsonii Robert F. Thorne 1971-6-26 39982 Los Angeles San Gabriel Mountains, Angeles National Forest: along Mt. Wilson Road on N slope of Occidental Peak 1646 Comment
  RSA580691  Phacelia davidsonii Tim S. Ross, Steve D. Boyd 1994-5-25 7879 Los Angeles West summit of Liebre Mountain: West Summit here construed as the rounded knoll 100 m S of the intersections of sections 3,4,9, and 10, T7N R17W. 1684 Comment
  IRVC28415  Phacelia distans A. C. Sanders 2003-5-26 26839 Los Angeles long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel San Gabriel Valley 171 Comment
  POM49693  Phacelia distans H. M. Hall 1900-6-3 1544 Los Angeles Swarthout Canyon; San Antonio Mountains Comment
  RSA0092236  Phacelia distans R. G. Swinney 2011-5-12 14682 Los Angeles San Gabriel Mountains: east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy. 1183 Comment
  RSA426186A  Phacelia distans F. R. Fosberg 1931-4-13 4598 Los Angeles Pebble [Pebbly] Beach, Santa Catalina Island. Comment
  RSA618680  Phacelia distans Louis C. Wheeler 1967-5-18 9624 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  UC284812  Phacelia distans P. A. Munz 1923-5-25 6813 Los Angeles Big Rock Creek San Gabriel Mts. 1280 Comment
  UCR177542  Phacelia distans LeRoy Gross 2005-4-28 2179 Los Angeles San Gabriel Mountains, Ridgeline to Mt. Emma and canyon south of this ridge. W from Mt. Emma (NW trending ridge, lower part of ridgeline starts to turn SW) east of Mt. Emma Rd 1413 Comment
  UCR223024  Phacelia distans R. G. Swinney 2009-4-29 10619 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  RSA571536  Phacelia distans Steve Boyd 1994-4-29 8299 Los Angeles Side draw on northeastern side of Mt. Emma, Santiago Canyon drainage. 1158 Comment
  RSA426113  Phacelia douglasii T. S. Clare 1929-2-25 s.n. Los Angeles Santa Monica, roadside Comment
  UC24417  Phacelia egena H. M. Hall 1896-8-12 253 Los Angeles head of Schwartout Canyon San Antonio Mountains 2072 Comment
  UCR205852  Phacelia fremontii R. G. Swinney 2008-5-8 8822 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  UCR260004  Phacelia fremontii R. G. Swinney 2010-5-11 12629 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  UC2030101  Phacelia grandiflora Valerie Soza, LeRoy Gross 2001-5-14 1212 Los Angeles Transverse Ranges, San Gabriel Mountains region: Santa Anita 1999 Fire Area, above Santa Anita Canyon, ca. 0.7 mile west of the Santa Anita Dam. Comment
  UCR194768  Phacelia grandiflora Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 726 Los Angeles Transverse Ranges; Verdugo Mountains, Verdugo Mountains, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park 518 Comment
  RSA427968  Phacelia grandiflora Thekla Mohr 1897-05 s.n. Los Angeles Sierra Madra Comment
  RSA428002  Phacelia imbricata subsp. imbricata Elbert Benjamine 1929-5-26 193 Los Angeles San Dimas Canyon, San Gabriel Mountains. Comment
  RSA785319  Phacelia imbricata subsp. imbricata D. Silverman, Cindy Hopkins 2007-4-27 6780 Los Angeles Tejon Ranch, W of California Aqueduct, N of Oso Canyon, 0.8 miles SSE of National Cement and 600m NE of Oso 3804 benchmark. 1052 Comment
  RSA729812  Phacelia imbricata subsp. patula R. G. Swinney 1998-6-10 6381 Los Angeles San Gabriel Mtns.: SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2 2250 Comment
  RSA177773  Phacelia lyonii Robert F. Thorne, P. Everett 1965-5-11 34525 Los Angeles Ballast Point, E side of Catalina Harbor, Santa Catalina Island 61 Comment
  RSA596271  Phacelia minor R. G. Swinney 1989-4-1 s.n. Los Angeles in and near Glendora Wilderness Park ; Big Dalton Canyon. 427 Comment
  SDSU6589  Phacelia minor H. Wedberg 1966-4-3 1182 Los Angeles Chaparral slope burned in 1964, above Hill Dr. at Neal, in Eagle Rock. 457 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
  UCR273249  Phacelia minor R. G. Swinney 2011-5-6 14620 Los Angeles San Gabriel Mountains, north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road 854 Comment
  RSA428077  Phacelia minor L. E. Hoffman 1981-5-18 s.n. Los Angeles Big Santa Anita Canyon Comment
  RSA656179  Phacelia minor Joseph M. Keefe 1978-5-11 22907 Los Angeles Verdugo Mountains: 0.5 mi north of DeBell Golf Course, foothills of Verdugo Mountains, Burbank. 488 Comment
  RSA0127382  Phacelia mohavensis Louis C. Wheeler 1967-7-15 10038 Los Angeles Angeles National Forest. Mt. Waterman. Comment
  CAS-BOT-BC159086  Phacelia ramosissima var. latifolia Fordyce Grinnell 1916-6-16 s.n. Los Angeles Santa Susana Pass Comment
  CAS-BOT-BC159101  Phacelia ramosissima var. latifolia Carl B. Wolf 1936-5-27 s.n. Los Angeles San Gabriel Mts., Indian Canyon Camp, 2 mi. off Soledad Canyon 914 Comment
  OBI70595  Phacelia tanacetifolia Steve Boyd, Lauren Raz 1997-3-26 9366 Los Angeles Liebre Mts region: Northern base of Portal Ridge at the mouth of Myrick Cyn, S edge of the Antelope Valley, S of Fairmont Reservoir. T7N R15w NE1/4 sec 14 1000 Comment
  RSA799680  Phacelia tanacetifolia Pam De Vries 2013-4-3 7841 Los Angeles Tehachapi Mountains/Western Transverse Range (Gorman Hills). About 0.5 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Road. 1054 Comment
  RSA602244  Phacelia viscida R. S. Woglum 1934-4-8 1281 Los Angeles Western Transverse Ranges: San Fernando Valley, North Hollywood. Comment
  CATA836  Phalaris aquatica Mark L. Hoefs 1991-6-26 1435 Los Angeles Santa Catalina Island: Bulrush Canyon 335 Comment
  CDA2282  Phalaris aquatica L. C. Wheeler 1975-9-22 s.n. Los Angeles San Gabriel Mtns.; Susanna Canyon, 0.25 mile upstream from the mouth [San Gabriel Reservoir] 0 Comment
  UCR205111  Pholistoma auritum R. G. Swinney 2008-4-16 8673 Los Angeles San Gabriel Mtns., San Dimas, Spring Canyon, north end between east and west forks of canyon 393 Comment
  LA38516  Pholistoma auritum var. auritum Carl Epling; 1930-4-10 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon Comment
  RSA75800  Pholistoma auritum var. auritum F. W. Peirson 1923-5-21 3521 Los Angeles South face of San Gabriel Mountains. Fish Canyon. 793 Comment
  SBBG78975  Pholistoma racemosum F. R. Fosberg 1931-3-23 4333 Los Angeles Hamilton Cyn 75 Comment
  SBBG131964  Pholistoma racemosum S. A. Junak, B. Collins 1991-4-24 SCI 160 Los Angeles upper part of Eel Pt grade 198 Comment
  RSA586669  Phoradendron densum Orlando Mistretta 1995-5-2 1671 A Los Angeles San Gabriel Mountains, Carr Canyon. 1037 Comment
  LA200864  Phoradendron macrophyllum Carl Epling; L. Ellison 1930-3-15 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  UC440425  Phoradendron macrophyllum Carl Epling and Lincoln Ellison 1929-4-27 Los Angeles Santa Monica Mts., Topango Canyon Comment
  RSA82210  Phyla lanceolata I. M. Johnston 1924-8-29 5094 Los Angeles along ditch at Orange Co. line on road from Artesia to Hungtington Beach. Comment
  RSA683988  Phyllospadix torreyi E. Yale Dawson 1949-9-8 8067 Los Angeles Whites Cove, Santa Catalina Island. Comment
  RSA683977  Phyllospadix torreyi E. Yale Dawson 1957-7-1 17267 Los Angeles Malibu Beach at Latigo Shore Road. Station # 19. Comment
  SEINET10696945  Physalis ixocarpa Mary Merello, Heidi H. Schmidt 1999-12-6 Merello 2624 Los Angeles Temple City, Valumart Food Warehouse, 6340 Rosemead. Comment
  UC104081  Physalis philadelphica Rev. J. C. Nevin Los Angeles Los Angeles Comment
  SEINET3388748 Image available Picris echioides F. A. MacFadden 12934 Los Angeles Waste land Culver City, Los Angeles Co. California Comment
  UCR143646  Pinus A. C. Sanders 1987-12-4 7450 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr. 31 Comment
  RSA497254  Pinus coulteri L. C. Wheeler 1966-11-30 9163 Los Angeles San Gabriel Mountains: Crystal Lake cutoff c. 1 mi S from Snow Spring, Bear Creek off W Fk San Gabriel Drainage. Scattered grove below and some trees above Hwy for c. 1 mi both N and S of Snow Spring, on SW slope Mt. Islip 1768 Comment
  UCR280728  Pinus coulteri R. G. Swinney 2011-6-14 15132 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  SFV261  Pinus monophylla P. G. Kilburn 1957-12-28 579 Los Angeles San Gabriel Mountains Trail to Devil's Punchbowl. 915 Comment
  RSA599481  Pinus sabiniana Steve Boyd, Lauren Raz 1997-3-26 9345 Los Angeles Liebre Mountains region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 976 Comment
  RSA382799  Piperia cooperi F. R. Fosberg 1931-4-11 S 4568 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island. Comment
  SBBG127001  Piperia elongata A. Parikh, N. Gale 2011-7-20 3571 Los Angeles W Fork San Gabriel River, 6.7 km W of St Hwy 39; San Gabriel Mtns 608 Comment
  RSA382794  Piperia elongata George Henry Grinnell 1929-6-30 s.n. Los Angeles Near Malibu Lake. Comment
  RSA0080732  Piptatherum miliaceum R. G. Swinney 2010-8-26 13604 Los Angeles North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 720 Comment
  UC1587210  Piptatherum miliaceum Tim Ross 1991-5-20 5358 Los Angeles 3300 ft nw 750 ft BM (upper reaches of drainage); San Clemente, Wilson Cove Canyon drainage 141 Comment
  UCR129387  Piptatherum miliaceum L. C. Wheeler 1933-9-10 2104 Los Angeles San Gabriel Mtns., Santa Anita Canyon 534 Comment
  UCR152486  Pittosporum crassifolium A. C. Sanders, Lee Jones 2005-4-8 29362 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  UCR124614  Pityrogramma triangularis I. W. Clokey, B. C. Templeton 1929-1 4444 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  UCR190258  Pityrogramma triangularis R. G. Swinney 2000-5-21 7779 Los Angeles San Gabriel Mtns., NE of Azusa, Rincon Canyon, 0.6 air mi. SW of Hwy 39 at Rincon Station 610 Comment
  UCR187006  Plagiobothrys arizonicus A. C. Sanders 2006-4-10 32007 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
  UCR265488  Plagiobothrys canescens Dan S. Cooper 2015-4-29 2015- 36 Los Angeles Western Transverse Range; Santa Monica Mountains, Monte Nido, end of Pony Cross Rd. 167 Comment
  POM99120  Plagiobothrys canescens Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. [Santa Monica Mountains] Comment
  RSA626103  Plagiobothrys canescens LeRoy Gross 1999-3-21 127 Los Angeles Santa Susana Mountains: Wiley Canyon, city of Newhall. 457 Comment
  JEPS21221  Plagiobothrys canescens var. catalinensis George B. Grant and Walter Wheeler Apr 21 1904-Apr 26 1904 996 /6159 Los Angeles Santa Catalina Island Comment
  UC625017  Plagiobothrys canescens var. catalinensis F. R. Fosberg 1931-3-24 S 4351 Los Angeles Hamilton Canyon Santa Catalina Island 2 Comment
  UCR272568  Plagiobothrys collinus R. G. Swinney 2011-6-7 15039 A 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
  RSA528033  Plagiobothrys nothofulvus Zoe Washburn 1990-4-24 17 Los Angeles Live Oak Canyon, In La Verne, N of Baseline Rd. 609 Comment
  SBBG108144  Plantago coronopus S. L. Crockett 1997-4-1 634 Los Angeles 0.5 mi SE of Rancho Escondido on Two Harbors Rd, W side of rd; low ridge adjacent to rd ca. 50 m upslope from rd 286 Comment
  POM156658  Plantago erecta L. R. Abrams 1903-4-10 3241 Los Angeles Near Mesmer. Comment
  UCR274126  Plantago erecta Steven A. Junak 1999-5-20 SCa- 935 Los Angeles Channel Islands, Santa Catalina Island, ridge between Cottonwood and Escondido Canyons, on south side of Cottonwood-Black Jack Road, c. 0.6 mile up from reservoir 256 Comment
  LA82079  Plantago erecta W. O. Griesel; 1936-4-19 sn Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  SD90532  Plantago erecta Robert F. Thorne 1973-4-11 42815 Los Angeles San Clemente Island: plateau W. of upper end of North Canyon. 395 Comment
  UCSB40615  Plantago erecta Reisentz, Paul 1977-4-24 Los Angeles Twin Falls Reserve; 2 miles east on Stuart Road from Mulholland Highway Comment
  UCR45029  Plantago indica A. C. Sanders 1986-7-30 6814 Los Angeles Pacific Slope, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr., east of Vista Del Mar Blvd 31 Comment
  RSA747156  Plantago lanceolata R. G. Swinney 2008-6-2 8919 Los Angeles San Gabriel Canyon, 0.6 mi. above (east) of El Encanto park office, on shoulder of the old road 280 Comment
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Mar 16 2011
  UCR210056  Plantago major A. C. Sanders 2009-11-6 37208 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA755815  Platanthera sparsiflora Richard G. Swinney 2008-7-2 9138 Los Angeles north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
  RSA652522  Platanus racemosa A. E. Hersh 1950-7-15 s.n. Los Angeles Topango [Topanga] Canyon about 3 miles from west end. 152 Comment
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May 29 2014
  RSA743528  Platanus racemosa Sara L. Crockett 1997-2-19 C 62 Los Angeles Santa Catalina Island. 0.2 mile NE of Wrigley Botanical Garden (toward Avalon) on Avalon Canyon Road; Hermit Gulch campground. 107 Comment
  SBBG75  Platystemon californicus R. Hoffmann 1929-4-28 Los Angeles Harold Comment
  RSA433738  Plectritis macrocera Anstruther Davidson 1890-3-30 s.n. Los Angeles Near River Reservoir. Comment
  SBBG31060  Pluchea odorata var. odorata R. F. Thorne 1966-9-15 36677 Los Angeles above Parson's Landing, NW end of island 45 Comment
  CAS-BOT-BC247257  Poa palustris John Thomas Howell 1947-7-18 23423 Los Angeles Big Pines, San Gabriel Mts. 2103 Comment
  RSA646954  Poa pratensis Orlando Mistretta 1993-7-6 925 Los Angeles Buckhorn Canyon, near exit to Buckhorn Canyon Campground. Comment
  RSA598865  Poa secunda Steve Boyd, Timothy S. Ross 1997-3-21 9242 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. 1194 Comment
  SD232154  Poa secunda V. Soza, Leroy Gross & Bill Hogshead 2002-5-9 1463 Los Angeles Transverse Ranges, San Gabriel Mountains region: Along Sunset Peak Road, 2.8 km ESE from Glendora Ridge Road. 1494 Comment
  SEINET10659406  Poa secunda Louis C. Wheeler 1967-4-30 Wheeler 9224 Los Angeles San Gabriel Mtns. Limekiln Canyon. Steep, rocky, sunny west slope along abandoned trail. 549 Comment
  SBBG131503  Poa secunda subsp. secunda S. A. Junak 2000-4-15 SCa 1205 Los Angeles W side of rd to Lone Tree, ca. 0.1 mi from junction with Divide Rd 478 Comment
  UC205626  Poa secunda subsp. secunda G. B. Grant Apr. 1903 5437 Los Angeles Saugus <Sangus ?> Comment
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Jul 6 2010
  SEINET11946399  Polycarpon tetraphyllum S. A. Thompson 1999-3-28 15390 Los Angeles Beverly Hills Comment
  RSA460146  Polygala cornuta var. fishiae L. E. Hoffman 1931-11-16 s.n. Los Angeles Malibu Creek Comment
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Apr 30 2011
  UC132268  Polygonum aviculare subsp. aviculare J. and H. W. Grinnell 1906-8-26 365 Los Angeles near Pasadena (vacant lot) Comment
  SEINET4138034 Image available Polygonum hydropiperoides Dan S. Cooper 2011-7-23 711 -90 Los Angeles South Coast: Madrona Marsh, Torrance 24 Comment
  UCR209957  Polygonum lapathifolium R. G. Swinney 2008-9-9 9327 Los Angeles San Gabriel Mtns., Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  CATA94  Polypodium californicum Mark L. Hoefs 1973-3-13 71 Los Angeles Santa Catalina Island: Upper Avalon Canyon, west of Wrigley Memorial 152 Comment
  POM12198  Polypodium californicum M. L. Kendall 1921-1-20 16 Los Angeles San Jose Hills. Comment
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Feb 2 2017
  POM6787  Polypodium californicum Anonymous 1887-07 s.n. Los Angeles Collected near Pasadena Comment
  RSA689886  Polypodium californicum G. R. Proctor 1944-02 780 Los Angeles Sepulveda Canyon Comment
  RSA329724  Polypodium californicum Gary D. Wallace 1966-3-25 223 Los Angeles San Gabriel Mountains: Millard Canyon 5 miles north of Pasadena 915 Comment
  UC62427  Polypodium californicum R. S. Norris June, 1893 Los Angeles Piedracitas Canyon; Catalina Isl. Comment
  UCSB62283  Polypodium californicum Kiefer, Lawrence 1967-5-28 Los Angeles San Gabriel Mtns., Glen Canyon, tributary of San Gabriel River, ca. 0.25mi from mouth 640 Comment
  UCSB62300  Polypodium californicum Kiefer, Lawrence 1966-9-5 Los Angeles San Gabriel Mtns., E fork of the San Gabriel River, ca. 0.5mi above Fish Fork Camp 1066 Comment
  UCSB62405  Polypodium californicum Kendall, M. 1921-2-13 Los Angeles Palmer's canyon Comment
  RSA0021696  Polypogon australis Duncan S. Bell, Caitlin Elam 2013-6-24 5269 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
  CAS-BOT-BC232415  Polypogon monspeliensis 1902-6-20 s.n. Los Angeles Redondo Comment
  CDA2352  Polypogon monspeliensis Phillipson 1915-6-2 22 .2.J. Los Angeles El Monte. Comment
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Oct 3 2010
  IRVC28580  Polypogon monspeliensis A. C. Sanders, Mark Elvin 2002-6-19 25159 Los Angeles Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River NE end of Santa Susana Mtns. 305 Comment
  RSA596986  Polypogon viridis Steve Boyd, Lauren Raz 1996-9-24 8960 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 915 Comment
  RSA0127378  Polypogon viridis Louis C. Wheeler 1967-7-20 10136 Los Angeles Aliso Canyon. 1067 Comment
  RSA229013  Polystichum imbricans subsp. curtum R. F. Thorne, C. W. Tilforth 1971-6-29 40732 Los Angeles San Gabriel Mountains: Angeles National Forest: Mixed evergreen forest on steep wooded bank of Lucas Creek S of Big Tujunga Narrows along Angeles Forest Rd. 914 Comment
  POM809  Polystichum imbricans subsp. imbricans C. F. Baker 1903-8-2 s.n. Los Angeles San Antonio Canyon, Claremont. Comment
  SBBG13053  Populus balsamifera subsp. trichocarpa E. R. Blakley 1961-9-24 4776 Los Angeles cyn upstream from Ben Weston Beach 15 Comment
  UCR219946  Populus fremontii R. G. Swinney, Jane Strong 2009-4-21 10411 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mi. north (upstream) of Puente Largo bridge 218 Comment
  UCR261543  Populus fremontii subsp. fremontii R. G. Swinney 2010-2-27 11707 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
  CDA20750  Portulaca oleracea Alfonso, Jerry T. 2006-10-12 PDR 1353134 Los Angeles N. Vincent Ave., Covina CA. Comment
  RSA0081785  Potamogeton amplifolius R. G. Swinney 2010-9-7 13707 Los Angeles Crystal Lake, within 50 ft. of shore line around the entire perimeter. 1683 Comment
  RSA0080724  Potamogeton nodosus R. G. Swinney 2010-9-7 13711 Los Angeles Crystal Lake, within 50 ft. of shore line around the entire perimeter. 1683 Comment
  RSA383507  Potamogeton nodosus Anstruther Davidson 1893-6-18 s.n. Los Angeles Garvanza Comment
  UCR206447  Potentilla glandulosa R. G. Swinney 2008-6-9 9010 Los Angeles San Gabriel Mtns., middle fork of Punchbowl Canyon at junction with South Fork Trail, 2.1 mi. SSE of Devils Punchbowl Co. Park headquarters via trail 1585 Comment
  NY689143  Potentilla multijuga H. E. Hasse 06 1893 s.n. Los Angeles Near Los Angeles. Comment
  CATA1221  Poterium sanguisorba Mark L. Hoefs, Douglas R. Hoefs, Jorge Hernandez 1995-6-21 2286 Los Angeles Santa Catalina Island: Upper Bulrush Canyon 286 Comment
  SEINET10628875  Prunus domestica Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3759 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  RSA86853  Prunus emarginata F. W. Peirson 1941-6-24 s.n. Los Angeles Summit of ridge above Big Pines, north side of San Gabriel Mountains, near Los Angeles-San Bernardino County line. Comment
  RSA497996  Prunus ilicifolia Richard C. Barkelew 1929-4-17 s.n. Los Angeles Santa Monica Mountains, Mulholland Highlands, Los Angeles. Comment
  UCR277023  Prunus ilicifolia R. G. Swinney 2010-5-25 12911 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  CAS-BOT-BC154565  Prunus ilicifolia subsp. lyonii L. R. Abrams; I. L. Wiggins 1931-7-6 386 Los Angeles Vicinity of Mosquito Harbor. San Clemente Island Comment
  RSA251407  Prunus lyonii Robert F. Thorne 1966-4-17 36110 Los Angeles San Clemente Island: Large shrubs growing on steep S-facing canyon side near bottom of Box Canyon NW of Horse Canyon, SW of Thrist. 152 Comment
  CAS-BOT-BC154784  Prunus virginiana var. demissa I. M. Johnston 1917-8-23 1712 Los Angeles San Antonio Mountains. Prairie Fk. of San Gabriel R. 1524 Comment
  CAS-BOT-BC356416  Pseudognaphalium beneolens F. Grinnell Jr. 1917-8-19 s.n. Los Angeles Pacoima Wash near San Fernando Comment
  UCR255510  Pseudognaphalium biolettii Dan S. Cooper 2014-5-23 514- 52 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, Vista del Valle Rd. northeast of Mt. Hollywood 328 Comment
  RSA157797  Pseudognaphalium biolettii Peter H. Raven 1962-4-9 17153 Los Angeles Wilson Cove, San Clemente Island. 61 Comment
  SFV15630  Pseudognaphalium biolettii M. Merchant 1992-4-18 15 Los Angeles San Gabriel Mountains Sunland. Mouth of Big Tujunga Canyon. End of Tujunga Valley Street. In wash with rocky, sandy soil. 430 Comment
  RSA0110534  Pseudognaphalium californicum R. G. Swinney 2010-6-1 13134 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
  UCR270261  Pseudognaphalium canescens R. G. Swinney 2011-10-10 15729 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  UC75922  Pseudognaphalium leucocephalum Geo. B. Grant 1901-1-1 516 Los Angeles Pasadena Comment
  CATA1865  Pseudognaphalium luteoalbum Denise Kraus, Lisa Stratton 2000-6-1 45 Los Angeles Santa Catalina Island: Goat Harbor burn area, northwest corner 152 Comment
  RSA226231  Pseudotsuga macrocarpa Gary D. Cromwell, David W. Wheat 1971-7-1 701 Los Angeles Mystic Canyon 412 Comment
  CAS-BOT-BC361887  Psilocarphus tenellus E. Braunton 1902-3-1 s.n. Los Angeles Glendale Comment
  SBBG98050  Psilocarphus tenellus T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5219 Los Angeles ca. 300' NE of Knob 271 Comment
  SD81438  Pteridium aquilinum var. pubescens Louis C. Wheeler 1931-7-28 Los Angeles San Antonio Mountains, Coble's Canyon 580 Comment
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Jan 2 2014
  RSA719115  Pterospora andromedea R. G. Swinney 1997-8-6 5759 Los Angeles Table Mountain area, Jesus Canyon west of road 4N47, NW of Wrightwood. 1905 Comment
  RSA570043  Pterostegia drymarioides Tim S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4900 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity. 492 Comment
  SEINET3246024  Pterostegia drymarioides T. B. Salvato, Sanda Murcia 2007-1 2005 Los Angeles San Gabriel Mountains: Santa Anita Reservoir, proposed 4-acre sediment placement site, east side of the channel and 0.4 mi S of the Elkins avenueentrance gate. 195 Comment
  OBI10703  Punica granatum Unknown 1960-5-29 s.n. Los Angeles Pierce College Campus, Canoga Park 244 Comment
  POM293199  Pycnanthemum californicum Lyman Benson 1948-10-25 13543 Los Angeles Spring one mile above mouth of San Antonio Canyon, Pacific Slope Drainage Area, San Gabriel Mountains. 793 Comment
  POM308890  Pycnanthemum californicum Kay H. Beach 1943-8-21 666 Los Angeles Volfe Canyon, along stream just above Flume no. 5, San Dimas Experimental Forest. Comment
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Feb 1 2017
  CAS-BOT-BC45788  Quercus S. B. Parish 1916-3-31 17060 Los Angeles Santa Catalina Island Comment
  UCR275543  Quercus D. E. Bramlet 2011-8-26 4937 Los Angeles San Gabriel Mountains, Maple Canyon, east of Big Tujunga Canyon, c. 1/2 mile due south Big Tujunga Reservoir 915 Comment
  UCD45196  Quercus X alvordiana Herbert L. Mason 1927-5-29 3737 a Los Angeles Tejon Pass, Sierra Liebre Mts. Comment
  POM230742  Quercus X grandidentata I. W. Clokey 1930-9-1 s.n. Los Angeles So. Pasadena Comment
  SBBG31297  Quercus X macdonaldii R. F. Thorne 1966-9-15 Los Angeles Cape Cyn near small reservoir 320 Comment
  RSA17930  Quercus agrifolia Percy C. Everett 1936-10-29 2660 Los Angeles 1 mile east of Monrovia 1829 Comment
  RSA652554  Quercus agrifolia var. agrifolia G. F. Orr 1956-3-10 s.n. Los Angeles Sherman Oaks. At junction of Sepulveda Blvd. and Mulholland Dr. 244 Comment
  LA105365  Quercus berberidifolia Barry A. Prigge; 1989-4-23 8463 Los Angeles Santa Susana Mountains, Devil Canyon: 1.4 air mi. NW of junction of Simi Valley Frwy and Topanga Canyon Blvd 518 Comment
  LA30432  Quercus berberidifolia A. M. Johnson; 1932-5-14 4061 Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon, Summit Decker Road. Comment
  POM2096  Quercus chrysolepis C. F. Baker 1909-3-20 5240 Los Angeles San Gabriel Mountains near Claremont. Comment
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Oct 10 2009
  RSA0082596  Quercus chrysolepis R. G. Swinney 2010-8-30 13628 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
  UCD45446  Quercus chrysolepis H. L. Mason 1927-6-11 3743 Los Angeles Mt. Wilson, San Gabriel Mts, alt. 5000 ft. 1524 Comment
  CAS-BOT-BC86902  Quercus douglasii E. R. Blakley 1962-10-6 5475 Los Angeles Santa Catalina Island. 0.25 mi below lower reservoir in Bullrush Canyon 243 Comment
  CATA1761  Quercus douglasii E. R. Blakley 1962-10-6 5473 Los Angeles Santa Catalina Island: Bulrush Canyon 350 Comment
  SEINET12027838  Quercus douglasii D. P. Reagan 1974-1 12 Los Angeles just E of Sandberg,along State Road N-2 Comment
  CAS-BOT-BC86207  Quercus dumosa Alice Eastwood 1917-7-20 6520 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC94178  Quercus engelmannii Geo. B. Grant 1901-1-1 s.n. Los Angeles Pasadena Comment
  CAS-BOT-BC94755  Quercus john-tuckeri D. E. Breedlove 1961-8-4 923 Los Angeles At intersection with Big Pines Hwy and Largo Vista Road. San Bernardino Mts 1371 Comment
  UCR155697  Quercus john-tuckeri A. C. Sanders, T. B. Salvato 2005-4-26 29709 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
  UCR124700  Quercus kelloggii B. C. Templeton 1932-5-31 4843 Los Angeles San Gabriel Mtns., between Big Pines Park and Jackson Lake, Angeles National Forest 2000 Comment
  RSA592269  Quercus lobata Louis C. Wheeler 1967-5-8 9356 Los Angeles San Gabriel Mountains [Liebre Mtns]; Northeast foothills. 412 Comment
  UCR143070  Quercus macdonaldii F. R. Fosberg 1931-12-10 7152 Los Angeles Channel Islands, Santa Catalina Island, Pebble Beach Canyon, left fork 40 Comment
  CAS-BOT-BC248854  Quercus tomentella P. S. Manos; T. Martin 1987-10-8 264 Los Angeles Santa Catalina Island, Sweetwater Canyon 300 Comment
  RSA251380  Quercus tomentella Robert F. Thorne 1966-4-16 36074 Los Angeles San Clemente Island, canyon below Lemon Tank, near dump, south of Nanny, northeast of island 183 Comment
  SBBG17810  Quercus tomentella P. H. Raven 1962-7-10 17981 Los Angeles below Lemon Tank 243 Comment
  SD85176  Quercus tomentella Michael R. Benedict 1971-6-26 Los Angeles San Clemente Island, Peak 1942, directly south of White Rock, near triangulation point 'Alta Comment
  CAS-BOT-BC104855  Quercus wislizeni Timothy S. Ross; Steve Boyd 1994-6-23 8049 Los Angeles Liebre Mountains. Sawmill Mountain. 5514-ft summit and immediately adjacent slopes 1680 Comment
  SBBG83774  Quercus wislizeni var. frutescens R. Hoffmann 1927-6-14 Los Angeles Chandler's, Ridge Route Comment
  UC1595253  Rafinesquia californica Tim Ross and Peter Fritsch 1990-6-20 3634 Los Angeles near confluence of E and W Forks of the San Gabriel River (mouth of Burro Canyon); San Gabriel Mountains, Burro Canyon 445 Comment
  UCR280583  Rafinesquia californica R. G. Swinney 2014-5-13 16482 Los Angeles San Gabriel Mountains, Glendora, west fork of Hook Cyn., c. 0.4 km north of Sierra Madre Av., 100-300 m west of entrance to Church of the Open Door, Colby Fire burn of Jan. 2014 354 Comment
  SD90444  Ranunculus cymbalaria var. saximontanus Robert F. Thorne, J. Dourley 1967-10-10 37341 Los Angeles San Gabriel Mts., Angeles National Forest: Jackson Lake, west end 1867 Comment
  SFV21400  Rhamnus crocea L. Gross, N. Fraga, B. Hogshead 2002-3-21 501 Los Angeles Verdugo Mountains Southwest side of Verdugo Mountains. South of La Tuna Canyon Road at end of Morning Glow Way. In small canyon above (east) of Village Christian School in Sun Valley near above coordinates. 366 Comment
  RSA0086918  Rhamnus ilicifolia R. G. Swinney 2010-8-9 13466 Los Angeles Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport. 1037 Comment
  RSA128264  Rhamnus ilicifolia H. J. Thompson 1959-3-31 1913 Los Angeles 1.2 miles SW of Seminole Hot Springs, about 2 miles SW of Cornell. 396 Comment
  RSA635046  Rhamnus ilicifolia Valerie L. Soza, Kent Hughes 1999-6-17 557 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail, above San Olene Canyon. 747 Comment
  UC1121871  Rhamnus ilicifolia P. L. Johannsen 1934-1-18 233 Los Angeles 1 mi nw lower dam Malibu Creek; Calabasas Quad. 365 Comment
  UC592780  Rhamnus ilicifolia unknown 1927-7-24 670 Los Angeles 0.5 mi e Montrose Comment
  UCR205047  Rhamnus ilicifolia R. G. Swinney 2008-3-31 8581 Los Angeles San Gabriel Mtns., Glendora Mountain summit 1013 Comment
  CAS-BOT-BC59798  Rhamnus pirifolia Carl B. Wolf 1932-5-10 3531 Los Angeles Santa Catalina Island. 100 yds. se. of summit of the Equestrian Trail, back of Avalon. 304 Comment
  SD107911  Rhamnus pirifolia Larry DeBuhr 1977-4-16 2573 Los Angeles Santa Catalina Island; NW side of Black Jack, along rd. to White's Landing Comment
  CAS-BOT-BC168038  Rhus aromatica Timothy S. Ross; Steve Boyd 1994-5-10 7747 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 883 Comment
  CAS-BOT-BC167916  Rhus integrifolia Robert F. Thorne; P. C. Everett 1964-2-6 33428 Los Angeles (Perhaps 1 mi. SW of Empire Landing), N Central part of Santa Catalina Island 243 Comment
  CAS-BOT-BC170450  Rhus integrifolia A. C. Sanders; Lee Jones 2005-4-8 29356 Los Angeles Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente, Redondo Beach 7.5' - South Coast 42 Comment
  LA62814  Rhus integrifolia Carl Epling; March 1925 6462 Los Angeles Clifton, cliffs over ocean Comment
  RSA117140  Rhus integrifolia Huron H. Smith 1912-6-18 5116 Los Angeles Santa Catalina Island. Pebble [Pebbly] Beach Canyon. 15 Comment
  RSA133850  Rhus integrifolia P. H. Raven 1959-3-8 13833 Los Angeles Topanga Canyon, 1.1 mile north of Coast Highway 49 Comment
  RSA386477  Rhus integrifolia M. B. Dunkle 1932-1-24 2861 Los Angeles Avalon, Santa Catalina Island. Comment
  SBBG19195  Rhus integrifolia M. A. Piehl 1963-12-8 631090 Los Angeles 0.25 mi from mouth of Cave Cyn 9 Comment
  CAS-BOT-BC167947  Rhus ovata Cecil Hart 1927-5-1 s.n. Los Angeles San Dimas Canyon Comment
  LA94286  Rhus ovata Carl Epling; Lincoln Ellison 1929-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  UCR124619  Rhus ovata I. W. Clokey, B. C. Templeton 1929-1 4431 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  JEPS66275  Rhus trilobata Frank W. Peirson 1919-5-10 418 Los Angeles Arraster Creek; San Gabriel Mountains, Arraster Creek 914 Comment
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Aug 21 2014
  RSA317215  Rhus trilobata var. anisophylla Michael C. Long 1974-5-19 s.n. Los Angeles Deviel s Punchbowl Co. Park, 0.5 mi. N of Parking area. Comment
  JEPS104676  Ribes John L. Morrison 1937-6-17 2541 Los Angeles San Gabriel Mountains. Around the spring about 200 m from Windy Camp. N sid of Mount Islip 2209 Comment
  CAS-BOT-BC92298  Ribes amarum Geo. B. Grant 1906-2-21 6593 Los Angeles Sierra Madre. Old Wilson Trail. Comment
  RSA476414  Ribes amarum Ella M. Kennedy 1923-3-12 s.n. Los Angeles Arroyo Seco, Pasadena. Comment
  SEINET4890185 Image available Ribes amarum Louis C. Wheeler 1936-3-8 4082 Los Angeles San Gabriel Mountains: Arroyo Seco. 457 Comment
  LA82096  Ribes aureum var. gracillimum O. H. Kappler; 1945-3-18 727 Los Angeles Santa Monica Mountains, Benedict Canyon, N of Beverly Hills Comment
  RSA595517  Ribes aureum var. gracillimum Louis C. Wheeler 1969-4-19 s.n. Los Angeles San Gabriel Mountains. Sand Canyon. 526 Comment
  UC1127637  Ribes aureum var. gracillimum Jerome S. Horton 1937-5-8 436 Los Angeles San Dimas Canyon wash below lower dam Pomona Quad. 304 Comment
  CAS-BOT-BC93094  Ribes californicum var. hesperium F. V. Coville; R. Bacigalupi 1925-4-18 173 Los Angeles Entrance to San Antonio Canyon. San Gabriel Mountains. Comment
  RSA85322  Ribes californicum var. hesperium F. W. Peirson 1919-1-5 300 Los Angeles Sawpit Canyon or Monrovia Canyon (the fruiting branch from Fish Canyon), south base of San Gabriel Mts. 457 Comment
  LA205442  Ribes indecorum C. F. Baker; sn Los Angeles Claremont Comment
  RSA84503  Ribes indecorum F. W. Peirson 1923-4-9 3460 Los Angeles Canyon at Lemon Tank, San Clemente Island Comment
  UC2026410  Ribes indecorum Louis C. Wheeler 1946-12-14 6453 Los Angeles SAN GABRIEL MOUNTAINS: San Dimas Canyon. Comment
  UC79751 Image available Ribes indecorum C. F. Baker 1904-2-17 4009 Los Angeles Claremont Comment
  CAS-BOT-BC173404  Ribes malvaceum Timothy S. Ross 1995-4-7 8371 Los Angeles Old Ridge Route: 2.9 road miles NNW of its intersection with Templin Highway; ca. 1840 m WNW of the confluence of Castaic Creek and Fish Canyon 944 Comment
  RSA0021646  Ribes malvaceum var. malvaceum Paul Aigner 1992-4-6 s.n. Los Angeles San Clemente Island: NW facing rim of gully 2200m NW (along the coast) from White Rock. 671 Comment
  PASA2255  Ribes malvaceum var. viridifolium Annetta Carter 1929-1-6 Los Angeles Big Santa Anita Canyon 411 Comment
  POM48027  Ribes malvaceum var. viridifolium C. F. Baker 1903-9-17 4065 Los Angeles San Antonio Canyon near Claremont. Comment
  RSA733763  Ribes malvaceum var. viridifolium R. G. Swinney 2000-6-19 7825 Los Angeles Pine Mountain, north of Azusa. 1384 Comment
  RSA0021937  Ribes montigenum Robert F. Thorne, Robert C. Frampton 1971-6-27 40982 Los Angeles San Gabriel Mountains: East slope, peak of San Antonio Mountain. 2973 Comment
  CAS-BOT-BC209699  Ribes quercetorum Louis C. Wheeler 1932-4-9 575 Los Angeles Kings Canyon near Elizabeth Lake 1036 Comment
  OBI36779  Ribes quercetorum David J. Keil 1980-3-27 13745 Los Angeles 1 mi E of Ridge rte on Pine Cyn rd (L.A. County rd N-2) 1189 Comment
  CAS-BOT-BC186165  Ribes roezlii var. roezlii 1902-6-1 s.n. Los Angeles Summit of Mt. Lowe 1828 Comment
  LA33883  Ribes speciosum Peter H. Raven; 1959-2-15 13783 Los Angeles Santa Monica Mountains, Brown Canyon, 2.6 mi N of Sunset Blvd on Beverly Glen Blvd 213 Comment
  UCR4092  Ribes speciosum Carole Sims 1965-4-10 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., 5.3 mi from intersection of Mulholland Drive and Old Topanga Canyon Rd., up Old Topanga Canyon Rd 305 Comment
  UCR141301  Ribes viburnifolium R. F. Thorne 1971-5-18 41355 Los Angeles Santa Catalina Island, N slope of Blackjack Mountains 488 Comment
  RSA279083  Robinia pseudoacacia R. F. Thorne 1971-4-9 41518 Los Angeles San Gabriel Mountains, Angeles National Forest: San Dimas Canyon near dam on San Dimas Creek 457 Comment
  RSA009300  Robinia pseudoacacia W. Bolander 1967-4-17 s.n. Los Angeles Verdugo Mountains: La Tuna Canyon. 457 Comment
  LA201903  Romneya trichocalyx Arthur C. Gibson; 2003-5-21 4905 Los Angeles 15 Comment
  RSA612005  Rorippa curvipes var. truncata L. C. Wheeler 1932-8-2 1111 Los Angeles Crystal Lake, N fork San Gabriel River 1677 Comment
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Apr 5 2010
  RSA565753  Rubus discolor Mike Hammitt, Jason Rick 1991-6-25 s.n. Los Angeles San Gabriel Mountains: Arroyo Seco Canyon; above the debris dam and below Oakwilde Picnic Area along the Gabrielino Trail Comment
  RSA650872  Rubus discolor K. M. Kosak 1961-5-8 428 Los Angeles San Dimas Comment
  POM11581  Rubus parviflorus Philip A. Munz 1921-6-17 4671 Los Angeles Sawmill, Swartout [Swarthout] Valley. 2043 Comment
  CAS-BOT-BC158809  Rubus ursinus Le Roy Abrams 1901-4-3 1309 Los Angeles Santa Monica Mts. 304 Comment
  PASA1199  Rubus vitifolius M. Stason 1931-4-18 Los Angeles San Gabriel Canyon Comment
  LA52270  Rumex conglomeratus J. A. Ewan; 1938-6-28 7518 Los Angeles 99 Comment
  RSA0115838  Rumex conglomeratus Steven A. Junak 1999-7-15 SCa- 1029 Los Angeles Santa Catalina Island. Bulrush Canyon. 237 Comment
  RSA0092330  Rumex hymenosepalus R. G. Swinney 2011-4-20 14450 Los Angeles San Gabriel Mountains: Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 miles upstream in Hunt Cyn. 1220 Comment
  IRVC29681  Rumex obtusifolius A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26223 Los Angeles Castaic Valley along Castaic Creek 0-2 km downstream from Lake Hughes Rd., Newhall Ranch Western San Gabriel Mtns. 351 Comment
  RSA703836  Rumex salicifolius A. C. Sanders, Mark A. Elvin 2002-6-20 25221 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
  HSC33099  Rumex salicifolius E. A. Wise 1974-8-8 27 Los Angeles Tapia Park, 10 mi. E of Malibu Colony, Santa Monica Mtns. Comment
  RSA466119  Rumex salicifolius var. salicifolius F. R. Fosberg 1931-8-10 S 5623 Los Angeles Crystal Lake, Pine Flats: N. Fork, San Gabriel Canyon, San Gabriel Mountains 1600 Comment
  UC2048894  Rumohra adiantiformis R. E. Riefner Jr. 2016-9-24 16 -375 Los Angeles City of Venice, along Venice Blvd. between Lyceum Ave. and Walgrove Ave. Comment
  SD6446  Ruppia maritima Parish October 1883 Los Angeles Los Angeles Comment
  RSA359410  Ruppia maritima Robert F. Thorne 1973-09 44727 Los Angeles Santa Catalina Island: Big Spring. Comment
  RSA353669  Sagittaria calycina Robert Gustafson 1981-6-17 2242 Los Angeles Ballona Wetlands, Area 2. Comment
  CAS-BOT-BC103170  Salix bonplandiana Mrs. H. P. Bracelin; F. R. Fosberg 1931-10-11 568 Los Angeles Lower Topanga Canyon, Santa Monica Mountains 15 Comment
  RSA762368  Salix exigua R. G. Swinney 2009-3-13 10106 Los Angeles Azusa, mouth of San Gabriel River Canyon, 0.8 mi. north of Foothill Blvd. on east side of main river channel 192 Comment
  RSA771557  Salix exigua R. G. Swinney 2009-5-28 10947 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  UCR255777  Salix exigua R. G. Swinney 2010-4-15 12265 Los Angeles San Gabriel Mountains, Upper Lime Kiln Cyn., 1.2-1.5 miles east of Pacoima Wash, 0.3 to 0.6 miles NE of Limekiln Cyn. fork, due south of Kagel Mt. 854 Comment
  LA208744  Salix laevigata Carl Hedin; Joseph Ewan 1933-6-29 7644 Los Angeles Above Ballona Creek, S of Culver City [Area 2] Comment
  RSA586819  Salix laevigata Orlando Mistretta, Steve D. Boyd 1994-6-21 1387 Los Angeles Santiago Canyon, drainage northwest of Pacifico Mountain. 1585 Comment
  SBBG59088  Salix laevigata F. R. Fosberg 1932-3-13 7427 Los Angeles lower Topanga Cyn 15 Comment
  LA52060  Salix lasiolepis Carl Hedin; J. A. Ewan 1933-3-15 7623 Los Angeles SAN FERNANDO VALLEY, Los Angeles River, at Radford Dr. 179 Comment
  POM182042  Salix lasiolepis F. R. Fosberg 1932-1-26 7178 Los Angeles Flood plain of Los Angeles River, at foot of Cahuenga Pass grade. 180 Comment
  SEINET2065105 Image available Salix lasiolepis C. F. Shutts 1949-3-13 20 Los Angeles Lower San Antonia Canyon. 762 Comment
  UC1302386  Salix lasiolepis Robert F. Thorne and P. C. Everett 1964-2-7 33467 Los Angeles lower end of Pebbly Beach Canyon; e. end Santa Catalina Isl., Pebbly Beach Canyon 76 Comment
  UC506444  Salix lasiolepis Carl Hedin and Joseph Ewan 1932-4-30 7696 Los Angeles s. of Culver City (above Ballona Creek) Comment
  UCR203103  Salix lasiolepis R. G. Swinney 2001-8-27 8114 Los Angeles San Gabriel Mountains, Cortelyou Spring c. 0,5 mi east of the junction of Hwy 2 and Hwy 39, north side of Hwy 2 2073 Comment
  UCR256479  Salix lasiolepis R. G. Swinney 2010-6-8 13203 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail 573 Comment
  RSA92642  Salix lasiolepis F. W. Peirson 1921-4-3 9608 Los Angeles Pacoima Canyon, west end of San Gabriel Mountains 518 Comment
  RSA422339  Salpichroa origanifolia M. B. Dunkle 1933-7-12 3665 Los Angeles Long Beach. Comment
  CDA6219  Salsola tragus R. E. Riefner Jr. 2007-5-12 07 -199 Los Angeles City of Santa Clarita/Newhall area, near I-5 Freeway at SR-126. Comment
  POM156528  Salvia apiana L. R. Abrams 1902-7-3 2642 Los Angeles Sierra Madre. Comment
  RSA411297  Salvia apiana Geo. L. Moxley, Grinnell 1916-6-15 s.n. Los Angeles Santa Susana Mountains. 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
  RSA599593  Salvia columbariae Steve Boyd, Lauren Raz 1997-3-31 9396 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
  RSA660102  Salvia columbariae Orlando Mistretta 1992-6-12 532 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  UC1922360  Salvia columbariae Valerie Soza, Susan Caplow 2003-4-11 1625 Los Angeles Transverse Ranges; Verdugo Mountains region; Brand Park, south of junction of Brand Park Mtwy and Verdugo Mtwy, alongside Brand Park Mtwy, head of Brand Canyon. 762 Comment
  SD113358  Salvia columbariae Darley F. Howe April 37 Los Angeles Claremont Comment
  SFV16105  Salvia columbariae S. Mason, et al. 1995-4-23 52 Los Angeles Mojave Desert Little Rock. Mount Emma Road, 0.8 miles above Fort Tejon Road on northern foothills of Transverse Range. 915 Comment
  SEINET3823002 Image available Salvia dorrii var. pilosa L. R. Abrams 1941-4-24 13952 Los Angeles Between Big Rock Creek and Little Rock Creek on State Highway 138 Comment
  UC1124692  Salvia dorrii var. pilosa G. T. Nordstrom 1935-1-8 309 Los Angeles 5.7 mi ne Bear Mtn.; Tejon Quad. 914 Comment
  RSA648303  Salvia dorrii var. pilosa Mark Hotchkiss 1977-5-20 s.n. Los Angeles San Gabriel Mtns. Batchelder Ranch. 1311 Comment
  CAS-BOT-BC233664  Salvia leucophylla Carl Epling; N. Dunn 1931-5-30 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains Comment
  UC457320  Salvia leucophylla Carl Epling and N. Dunn 1931-5-30 Los Angeles Los Alisos Canyon; Santa Monica Mountains Comment
  RSA0035187  Salvia mellifera James S. Burns 1992-5-5 5 Los Angeles 1 mile north on Van Tassel fire road from south access; Angeles National Forest. 457 Comment
  RSA176447  Salvia mellifera Peter H. Raven, Robert F. Thorne 1964-5-7 19005 A Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  RSA712714  Salvia mellifera A. C. Sanders 2003-3-14 25763 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd., north edge of 210 freeway east of the San Gabriel River channel. 159 Comment
  UC1124829  Salvia mellifera G. T. Nordstrom 1935-2-15 330 Los Angeles 5 mi ne Black Mtn.; Tejon Quad. 792 Comment
  UCD125586  Salvia mellifera F. R. Fosberg 1931-3-18 S 4291 Los Angeles Hamilton Canyon, Santa Catalina Island. 10 Comment
  UCR197214  Salvia mellifera Valerie Soza, Shalini Deo, Stephen Dreher 2000-4-27 822 Los Angeles Verdugo Mountains, south side, Stough Canyon. Stough Park, above parking lot southwest of intersection of Walnut Avenue and Lockheed View Drive, west of De Bell Municipal Golf Course, southeast of Starlight Theater 366 Comment
  UCR258784  Salvia mellifera R. G. Swinney 2010-5-25 12969 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
  POM308139  Sambucus mexicana Henry J. Ramsey, Henry J. Ramsey 1937-5-16 2936 Los Angeles Altadena, N. Craig Ave. Comment
  RSA477541  Sambucus mexicana Freda Detmers 1929-4-14 s.n. Los Angeles Descanso Canyon, Santa Catalina Island. Comment
  RSA477556  Sambucus mexicana Wm. Martin 1971-7-26 s.n. Los Angeles Big Tujunga wash, north and east of Sunland. Comment
  RSA549568  Sambucus mexicana T. S. Ross 1991-3-10 4220 Los Angeles Claremont: Bernard Field Station, on E side of RSA; disturbed Artemisia californica scrub. Vicinity of Phake Lake, marked as Pit on topo map. 392 Comment
  RSA0036738  Sambucus mexicana Patricia Kouo 1994-4-27 944234 Los Angeles 3 miles south of I-60. On the west side of Rosemead Blvd, at the most southern lake. On the most southern end of the lake. Comment
  LA94337  Sambucus nigra subsp. canadensis A. M. Johnson; 1932-5-30 4117 Los Angeles SANTA MONICA MOUNTAINS, Brent's Mountain, Crag's Camp. Comment
  CATA646  Sanicula arguta Mark L. Hoefs 1991-4-18 1116 Los Angeles Santa Catalina Island: By road above Parson's Landing 129 Comment
  SBBG78718  Sanicula arguta W. A. Wright 1931-2-19 Los Angeles Santa Catalina Island Comment
  LA32974  Sanicula crassicaulis Carl Epling; 1931-5-2 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  UCD127969  Sanicula crassicaulis James Dilley 1997-3-29 149 Los Angeles Santa Monica Mts., Studio City. Beatty Dearing trail, beginning on Mulholland Dr., 0.5 mile west of Laurel Cyn. 243 Comment
  UCR271488  Sanicula tuberosa R. G. Swinney 2011-5-3 14559 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  UC1375393  Sanicula tuberosa C. W. Tilforth 1971-5-30 379 Los Angeles n of Claraboya (Claremont, Johnson's Pastures); Claremont, Johnson's Pastures Comment
  SD69525  Sarcocornia pacifica Robert F. Thorne 1966-4-4 35769 Los Angeles Santa Catalina Island; salina behind Ballast Point, Catalina Harbor, Isthmus. Comment
  UC153595  Sarcostemma cynanchoides subsp. hartwegii LeRoy Abrams 1902-7-5 2655 Los Angeles near Azusa Comment
  SEINET3155973  Schinus molle G. B. Grant 1904-1 1178 Los Angeles Pasadena Comment
  CATA857  Schismus arabicus Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1666 Los Angeles Santa Catalina Island: Little Harbor 4 Comment
  CHSC95804  Schismus arabicus LeRoy Gross; Ted Anderson 2004-5-3 1215 Los Angeles Transverse Ranges; San Gabriel Mountains region: Road started west of Mt. Lukens, down (Southeast) to a little west of Earl Canyon Road. (Angeles National Forest Road surveys. Roads, 2N76.1 and 2N76.2). 1380 Comment
  RSA0115854  Schismus arabicus Steven A. Junak 1999-5-6 SCa- 880 Los Angeles Santa Catalina Island. On W side of Cherry Cove, just N of road, ridgetop. 71 Comment
  POM156198  Schoenoplectus americanus Le Roy Abrams 1902-6-12 2537 Los Angeles Ballona Creek, near Mesmer. Comment
  UCR101731  Schoenoplectus californicus L. C. Wheeler 1946-7-28 6221 Los Angeles Los Angeles Basin region; San Gabriel Valley, Rio Hondo, 0.25 mi north of San Gabriel Blvd. 58 Comment
  UCR182117  Scirpus R. G. Swinney 1997-6-19 5618 Los Angeles San Gabriel Mtns., Jackson Lake, west of Wrightwood 1872 Comment
  RSA365981  Scirpus acutus var. occidentalis Freda Detmers 1928-4-24 s.n. Los Angeles Los Angeles.[Los Angeles River?] Comment
  CDA39109  Scirpus californicus Bernard Rohrer Jul 1948 s.n. Los Angeles San Pedro. 0 Comment
  RSA598374  Scirpus microcarpus L. C. Wheeler 1967-5-24 9756 Los Angeles Indian Canyon, near mouth 701 Comment
  SFV12416  Scrophularia californica subsp. floribunda D. L. Koutnik 1978-4-21 398 Los Angeles San Rafael Hills Glendale, at east end of Glenoaks Ave. near Scholl Canyon Park. 305 Comment
  SBBG79218  Scrophularia villosa F. R. Fosberg 1932-5-6 8133 Los Angeles Big Wash Cyn, Avalon 25 Comment
  UC1181404  Scrophularia villosa Robert Ornduff with R. L. Taylor 1960-3-19 5095 Los Angeles Santa Catalina Island, Golf Links Canyon Golf Links Canyon; Santa Catalina Island, Golf Links Canyon Comment
  UC25843  Scutellaria tuberosa Harley P. Chandler 1897-4-7 Los Angeles Claremont 609 Comment
  UCR139939  Scutellaria tuberosa L. C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mtns., East side of Little Tujunga Canyon, 0.75 mi SSE of Herreres Ranch 579 Comment
  RSA683746  Selaginella bigelovii Meryl B. Dunkle 1928-5-12 1927 Los Angeles Empire Landing. Santa Catalina Island. Comment
  RSA683751  Selaginella bigelovii Freda Detmers 1929-1-13 s.n. Los Angeles Little Santa Anita Canon Comment
  POM199  Senecio californicus I. M. Johnston 1917-3-29 1250 Los Angeles Above Claremont. Comment
  SEINET5261301  Senecio flaccidus Unknown 2002-8-10 67 Los Angeles Big Tujunga Canyon Road, N of Tujunga, in Angeles National Forest. Comment
  CAS-BOT-BC333108  Senecio flaccidus var. douglasii Louis C. Wheeler 1931-8-30 31 Los Angeles San Antonio Canyon, San Gabriel Mountains 914 Comment
  CDA8624  Senecio flaccidus var. douglasii A. C. Browne 1953-7-3 Los Angeles Highway 99, 3 miles south of Gorman. 0 Comment
  RSA444578  Senecio flaccidus var. douglasii B. Roy 1987-10-9 10- 9 -87/6 Los Angeles Bernard Field Station of the Claremont Colleges (Amherst and Foothill Blvd.), in the neck section (about where Rockford would bisect the station). 482 Comment
  RSA472961  Senecio flaccidus var. douglasii M. B. Dunkle 1940-9-4 s.n. Los Angeles Mill Creek. 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
  UC53933  Senecio flaccidus var. douglasii Ernest Braunton 1902-6-11 457 Los Angeles Hollywood Comment
  UCR108663  Senecio flaccidus var. douglasii L. C. Wheeler 1961-6-13 7875 Los Angeles San Gabriel Mtns., Pacoima Canyon near Dutch Louie Camp 716 Comment
  SBBG79874  Senecio lyonii F. R. Fosberg 1931-3-27 4416 Los Angeles Pebbly Beach Rd 15 Comment
  UCR68923  Senecio lyonii Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4261 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  CDA7659  Senecio vulgaris L. C. Wheeler 1969-4-1 s.n. Los Angeles San Gabriel Mountains, ridge east of Ham Canyon. Comment
  JEPS37247  Senecio vulgaris F. W. Peirson 1918-10-21 290 Los Angeles Opids Camp San Gabriel Mts., West Fork San Gabriel River 1219 Comment
  SEINET10846735  Setaria parviflora Scott D. White 2003-10-14 White 9834 Los Angeles San Gabriel Mountains: Foothills above Sierra Madre. Los Angelis Dept of Public Works "Sierra Madre Villa" Debris Basin. Mt. Wilson. T1N R11W S18, NW1/4. 335 Comment
  UCR41435  Setaria verticillata O. L. Braucher 1933-1 s.n. Los Angeles West Covina, walnut orchard of Mr. S.L. Watts. Comment
  UCD14567  Setaria viridis Don Ford 1984-8-10 s.n. Los Angeles California, Los Angeles Co.; Lancaster, Antelope Valley Dairy; Comment
  UC1012928  Sidalcea malviflora subsp. sparsifolia C. L. Hitchcock 1952-6-2 19565 Los Angeles on road to Gorman about 6 mi w Hughes Lake; w of Hughes Lake on rd to Gorman Comment
  SD65476  Sidotheca trilobata Reid Moran 1967-7-22 14091 Los Angeles canyon south of Chilao, San Gabriel Mountains 1550 Comment
  LA94356  Silene antirrhina Carl Epling; 1931-5-9 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA536064  Silene antirrhina Timothy S. Ross 1991-5-21 5381 Los Angeles San Clemente Island: Upper easterly branch of Box Canyon, affected by recent burn 473 Comment
  RSA477845  Silene californica W. Hutchinson 1920-04 3382 Los Angeles Pico Canyon. Comment
  CAS-BOT-BC387013  Silene gallica LeRoy Abrams 1902-5-31 2489 Los Angeles Inglewood Comment
  RSA526149  Silene gallica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-6 4143 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  RSA650329  Silene gallica D. A. Reynolds 1953-3-1 s.n. Los Angeles Northwest section of Trailer Park, Voorhis Unit, Cal Poly, San Dimas. Comment
  UC519734  Silene gallica Joseph Andorfer Ewan 1932-5-10 7467 Los Angeles Verdugo Canyon Colina Drive; Verdugo Canyon at Colina Drive Comment
  CLARK-A1528-2465  Silene laciniata John C. Roos 1947-5-17 3635 Los Angeles Placerita Canyon Comment
  SEINET11944389  Silene laciniata C. Wyman, Bright, J. F. 1931-1 172 Los Angeles San Fernando Valley Comment
  SEINET8879643  Silene laciniata J. H. Barber 1897-1 308 Los Angeles Santa Monica Canyon. Comment
  LA94365  Silene laciniata subsp. laciniata W. O. Griesel; 1936-6-18 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  POM11236  Silene lemmonii George B. Grant 1906-6-10 s.n. Los Angeles Mt. Lowe 1524 Comment
  SD87785  Silene lemmonii F. W. Peirson 1924-5-27 4624 Los Angeles North slope Strawberry Peak, San Gabriel Mountains. 1520 Comment
  UCR223459  Silene verecunda R. G. Swinney 2009-6-8 11096 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
  RSA229108  Silene verecunda subsp. platyota R. F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38879 Los Angeles Near Lodgepole Picnic ground at headwaters of Dorr Canyon, N slope of Throop Peak, above Angeles Crest Hwy., 1.2 mi. SE of Dawson saddle. 2332 Comment
  UCR3358  Silybum marianum H. M. Whistler 1964-4-11 640411- 03 Los Angeles San Gabriel Valley, Side of road to Puddingstone Reservoir State Park, 0.3 mi from San Dimas City limit 244 Comment
  RSA719130  Silybum marianum Naomi Fraga 2001-5-27 50 Los Angeles California State Polytechnic University, Pomona. Voorhis Ecological Reserve. UTM: 3768679N 423253E. Comment
  CAS-BOT-BC75233  Sisymbrium irio Timothy S. Ross; J. Mark Porter 1995-5-4 8467 Los Angeles Liebre Mountains. Texas Canyon. Ca. 3.6 road miles northeast of Bouquet Canyon Road. 682 Comment
  SD69469  Sisymbrium irio Robert F. Thorne 1966-4-4 35749 Los Angeles Santa Catalina Island; Isthmus. 11 Comment
  JEPS76498  Sisymbrium irio L. R. Heckard with Maynard Moe 1977-4-2 4554 Los Angeles Edwards Air Force Base, along Edwards Boulevard about 1 mi n of south entrance to Air Base Edwards Air Force Base 701 Comment
  RSA228974  Sisyrinchium bellum Robert F. Thorne 1971-8-25 41325 Los Angeles San Gabriel Mountains, Angeles National Forest: near Windy Spring on N slope of Mt. Islip 2256 Comment
  UCR282613  Sisyrinchium bellum Dan S. Cooper 2017-3-20 317- 11 Los Angeles Whittier Hills, Skyline Dr. [Skyline #2 Fire Rd.] 351 Comment
  SEINET12048486  Sisyrinchium bellum Los Angeles High School Students 1903-1 44 Los Angeles Comment
  UCR200307  Solanum americanum Steve Boyd, Mark A. Elvin, Rick Burgess, Lloyd Simpson 2006-11-8 11702 Los Angeles Transverse Ranges; Liebre Mountains, southwestern shore of Quail Lake, extreme western end of Mojave Desert at north base of Liebre Mountains 1024 Comment
  RSA12646  Solanum americanum Carl B. Wolf 1934-8-16 6053 Los Angeles peat land on Bryant Ranch east of Long Beach. 700 ft. east of center of sect. 34; 950 ft. So. of No. line of Same. 6 Comment
  RSA187929  Solanum douglasii Robert F. Thorne 1966-4-28 36247 Los Angeles Santa Catalina Island. Margin of deep gully, Hay Press area. 427 Comment
  RSA422414  Solanum douglasii Mark Morris 1929-3-11 14557 Los Angeles Griffith Park - Los Angeles. Comment
  RSA422419  Solanum douglasii Fay A. MacFadden 1931-3-18 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  NY826935  Solanum elaeagnifolium E. Braunton 09 1902 697 Los Angeles Los Angeles. Comment
  LA202425  Solanum mauritianum Arthur C. Gibson; 2005-9-13 5104 Los Angeles Comment
  UCR205744  Solanum nigrum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36973 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  RSA492622  Solanum sarrachoides Robert Gustafson 1981-5-15 2222 Los Angeles Ballona Wetlands, Area 1 Comment
  CAS-BOT-BC83643  Solanum umbelliferum C. F. Baker 1903-3-16 4059 Los Angeles Claremont Comment
  CAS-BOT-BC83644  Solanum umbelliferum P. A. Munz; R. D. Harwood 1920-5-15 4003 Los Angeles Santa Monica Mountains. Sepulveda Canyon. 213 Comment
  RSA581014  Solanum umbelliferum Jamie Kneitel 1995-4-9 17 Los Angeles San Gabriel Mountains, 4.7 miles north of ranger station on Angeles Crest Highway. 915 Comment
  RSA680201  Solanum umbelliferum Valerie L. Soza, Sarah J. De Groot 2003-6-11 1656 Los Angeles San Gabriel Mountains: Praire Fork, southeast of Cabin Flat. 1799 Comment
  UCR252873  Solanum umbelliferum R. G. Swinney 2010-3-10 11803 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes 329 Comment
  UC1408947  Solanum umbelliferum Donald R. Bissing 1973-5-18 98 Los Angeles Evey Canyon, 1.1 mi from canyon mouth Evey Canyon; San Gabriel Mountains, Evey Canyon 902 Comment
  CHSC110027  Solanum wallacei Mark Elvin; Sarah Crockett 1977-3-17 377 Los Angeles Channel Islands; Santa Catalina Island: Alone Cape Canyon Road. On E side at cliff. Where creek comes up to Road. Comment
  NY820445  Solanum xanti I. W. Clokey 1935-5-9 6878 Los Angeles San Dimas Canyon 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
  CDA8721  Solidago californica Phillipson 1915-9-12 Los Angeles South Santa Anita. Comment
  SEINET11802172  Solidago californica H. W. Graham 1927-1 9- 9 -27 Los Angeles along trail & road from Mt. Lowe Tavern, Mt. Lowe to observatory on Mt. Wilson, near Los Angeles Comment
  RSA474107  Sonchus oleraceus M. B. Dunkle 1928-10-7 2013 Los Angeles Santa Catalina Island. Descanso Canyon. 244 Comment
  RSA4783  Sonchus oleraceus James Snow s.n. Los Angeles Bryant Ranch, near Long Beach. Collected for correlation with a soil survey by the Association Laboratory, Anaheim, Calif. Comment
  RSA659746  Sonchus oleraceus Orlando Mistretta, E. Kellogg, Laurel Arnseth, Peter L. Morrell 1992-4-3 66 Los Angeles San Clemente Island. Comment
  CATA3407  Sorghum bicolor Julia A. Parish, Tobias Nickel, Jamie Choi, Olivia Reda, Stuart Olshevski 2017-4-6 021 Los Angeles Santa Catalina Island: Hillside above intersection of Camino del Monte Ave and Chimes Tower Road, near Zane Grey Hotel 101 Comment
  RSA603403  Spartium junceum L. C. Wheeler 1975-8-22 s.n. Los Angeles San Gabriel Mountains: North side Sunset Ridge by Millard Canyon, by power line. Comment
  SBBG131930  Spergularia bocconi S. A. Junak 2000-5-19 SCa 1326 Los Angeles W side of first ridge W of Twin Rocks, ca. 0.44 mi SE of Goat Harbor 286 Comment
  SBBG94220  Spergularia bocconi F. R. Fosberg 1931-4-3 4478 Los Angeles Pebbly Beach 2 Comment
  CAS-BOT-BC390137  Spergularia bocconi John I. Carlson 1915-6-13 s.n. Los Angeles Avalon, Santa Catalina Isl. Comment
  SBBG101144  Spergularia bocconi T. Ross 1992-4-14 6176 Los Angeles near base of E escarpment, ca. 90 m S of where the Nanny Cyn drainage meets the sea 53 Comment
  SD52879  Spergularia macrotheca Peter H. Raven 1962-4-9 17145 Los Angeles San Clemente Island in rocky grassland near barracks, Wilson Cove. 60 Comment
  CAS-BOT-BC390793  Spergularia marina I. Johnston 1911-4-1 s.n. Los Angeles Compton Creek near Domniguez [Dominguez] Comment
  RSA0098602  Spergularia marina Anstruther Davidson 1902-04 1883 Los Angeles Temple St. Comment
  RSA0098138  Spergularia rubra Scott D. White, Justin M. Wood 2008-10-7 12561 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, between Bear Creek and Rincon Red Box Rd. 549 Comment
  RSA442886  Sphaeralcea emoryi subsp. variabilis T. W. Minthorn 1925-5-30 s.n. Los Angeles Near Palmdale. Comment
  UCR162579  Sporobolus airoides Anuja Parikh, Nathan Gale 2004-7-2 2078 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 13), near the Ventura County line, downstream of Mayo Spur 305 Comment
  RSA65446B  Spraguea F. W. Peirson 1905-7-14 37 Los Angeles South of summit of Mt. San Antonio, San Gabriel Mountains Comment
  RSA601749  Stachys ajugoides var. rigida Louis C. Wheeler 1946-4-21 6192 Los Angeles San Gabriel Mountains. Cloverleaf Canyon (near head of canyon). Comment
  UCR206122  Stachys albens R. G. Swinney 2008-6-2 8916 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
  UCD126009  Stachys bullata Daryl Koutnik; Vickie Dawes 1978-5-12 480 Los Angeles Arroyo Sequit along Mulholland Highway. 548 Comment
  POM156208  Stachys rigida subsp. quercetorum L. R. Abrams 1902-6-15 2548 Los Angeles Sepulveda Canyon, Santa Monica Mountains. Comment
  CHSC26078  Stanleya pinnata James Henrickson 1971-5-2 5542 Los Angeles 15 mi. E. of Palmdale, So. slope of Lovejoy Buttes in Mojave Desert-Joshua Tree Woodland. 853 Comment
  RSA682508  Stanleya pinnata Scott D. White, Michael Honer 2003-5-7 9228 Los Angeles Liebre Mountains: Tapia Canyon, about 2 air miles east of Interstate 5 junction at Old Ridge Route. 427 Comment
  CDA25159  Stanleya pinnata G. C. Fleischman 1943-8-8 Los Angeles Between Palmdale & Littlerock. 0 Comment
  RSA452246  Stanleya pinnata R. N. Philbrick 1973-7-20 s.n. Los Angeles Malibu 15 Comment
  RSA650311  Stellaria media A. E. Hersh 1950-7-12 s.n. Los Angeles 4111 Wade St., Venice. 30 Comment
  CAS-BOT-BC397708  Stellaria nitens Peter H. Raven 1959-5-9 14177 Los Angeles Mulholland Hwy 1 mile W of Las Virgenes Rd., Malibu Creek drainage, Santa Monica Mountains 274 Comment
  UCD99480  Stellaria nitens Louis C. Wheeler 1967-5-2 9261 Los Angeles Liebre Mountains, north side of northwestern most end of foothills (of San Gabriel Mts.) between Bouquet Junction and Bonelli Ranch. 365 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
  UCR231390  Stephanomeria Dan S. Cooper 2011-10-5 1011- 125 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, upper Fern Canyon 188 Comment
  RSA474185  Stephanomeria diegensis F. R. Fosberg 1931-4-3 4460 Los Angeles Santa Catalina Island, Pebble [Pebbly] Beach Rd. 5 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
  CAS-BOT-BC375676  Stephanomeria parryi A. D. E. Elmer 1902-6-1 4158 Los Angeles Palmdale Comment
  CAS-BOT-BC322840  Stephanomeria pauciflora I. M. Johnston 1917-8-24 1649 Los Angeles N. Fk. Lytle Creek Comment
  SBBG67910  Stephanomeria pauciflora R. Hoffmann 1927-8-31 Los Angeles Mint Cyn Comment
  CAS-BOT-BC375818  Stephanomeria virgata David B. Weissman 1974-8-19 s.n. Los Angeles Pt Dume Comment
  RSA774805  Stephanomeria virgata R. G. Swinney 2009-7-29 11408 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA230670  Stephanomeria virgata subsp. virgata R. F. Thorne, M. Z. Thorne 1969-7-10 38441 Los Angeles San Gabriel Mts; Angeles National Forest; 1.5 miles W of Wrightwood 1951 Comment
  SBBG105358  Stephanomeria virgata subsp. virgata H. L. Ferguson 1981-8-11 258 Los Angeles near West Beach 6 Comment
  SEINET10603818  Stipa cernua Frank W. Gould 1944-3-26 Gould 2176 Los Angeles Dry northern slopes of Palos Verdes Hills near Walteria. Comment
  SD234251  Stipa lepida A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26121 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam (Warm Springs Mtn 7.5' Q) 487 Comment
  UCR222836  Stipa speciosa R. G. Swinney 2009-4-28 10547 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  CAS-BOT-BC61275  Streptanthus campestris W. R. Dudley; F. H. Lamb 1896-6-9 4418 Los Angeles Liebre Mountains. Elizabeth Lake Canyon. Comment
  UCR17975  Streptanthus tortuosus var. tortuosus Dr. H. de Forest 1931-1 s.n. Los Angeles Western Transverse Range, 'Los Padres' [Angeles] National Forest, Ridge Route Comment
  RSA198838  Stuckenia pectinata Robert F. Thorne, D. Propst 1968-5-27 37628 Los Angeles Santa Catalina Island. Near margin of Thompson s Reservoir, Middle Ranch at upper (W) end of reservoir. Comment
  SEINET11763663  Stuckenia pectinata Unknown 1936-1 73 Los Angeles Toluca Lake, North Hollywood Comment
  CHSC100159  Stylocline gnaphaloides John Dittes 2006-5-20 1376 Los Angeles Western Transverse Ranges; San Gabriel Mtns.; Big Tujunga Cyn; ca. 3.7 air-miles northeast of Verdugo Hills High School, ca. 2.5 air-miles southwest of Condor Peak, ca. 2.5 air-miles south x southeast of Mt. McKinley; slope above Trail Canyon Creek, north of Big Tujunga Rd. 528 Comment
  RSA92502  Stylocline gnaphaloides F. W. Peirson 1921-6-19 5281 Los Angeles Crystal Lake, North Fork San Gabriel River 1676 Comment
  RSA727373  Stylocline psilocarphoides R. G. Swinney 1998-5-16 6080 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  RSA446235  Stylomecon heterophylla Anstruther Davidson 1890-3-24 s.n. Los Angeles Foothills L.A. Comment
  CAS-BOT-BC110419  Suaeda taxifolia L. R. Abrams; I. L. Wiggins 1931-7-3 288 Los Angeles Santa Barbara Island. Comment
  CAS-BOT-BC110428  Suaeda taxifolia John Thomas Howell 1948-7-2 24764 Los Angeles Redondo Beach. Comment
  CAS-BOT-BC234655  Symphoricarpos mollis Geo. B. Grant Apr. 9 s.n. Los Angeles Avalon Comment
  SD112047  Symphoricarpos mollis Linda Allen, Betsy Carpenter 1975-3-21 Los Angeles Santa Catalina Island; middle of Middle Ranch Canyon. Comment
  RSA532650  Symphoricarpos rotundifolius var. parishii T. S. Ross 1991-8-14 5772 Los Angeles Roundtop [Mtn], San Gabriel Mountains: 1707 Comment
  RSA0087044  Symphyotrichum R. G. Swinney 2010-9-9 13797 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
  UC86803  Symphyotrichum greatae Louis A. Greata Nov. 1900 460 Los Angeles Arroyo Seco Comment
  UCD136506  Symphyotrichum greatae Peter H. Raven; W. O. Griesel 1961-10-13 16842 Los Angeles Upper Arroyo Seco, about 200 yards above Switzers Camp. 762 Comment
  SFV4979  Symphyotrichum subulatum M. H. Grayum 1971-9-28 s. n. Los Angeles West side of Malibu Lagoon, just seaward of Pacific Coast Highway. 2 Comment
  RSA763238  Syntrichopappus fremontii Justin M. Wood 2010-5-10 1622 Los Angeles Vicinity of Littlerock Creek; just southwest of intersection of Cheseboro Rd. and Mt. Emma Rd. 973 Comment
  UC1484304  Syntrichopappus fremontii Dale E. Johnson with J. L. Strother 1974-4-24 94 Los Angeles 4.8 km (3 mi) s Ca Hwy. 14 (Mojave-San Fernando rd.) (on Soledad Canyon Rd (rd to Acton), on n side of rd, sw of Palmdale) Comment
  UC195993  Syntrichopappus fremontii S. B. and W. F. Parish June 1887 1267 Los Angeles Rock Creek Mojave Desert Comment
  UCR192164  Syntrichopappus fremontii A. C. Sanders 2008-4-18 34967 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, west side of canyon toward mouth 1004 Comment
  UCR194573  Syntrichopappus fremontii R. G. Swinney 1999-5-1 7087 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
  UC1536865  Syntrichopappus lemmonii G. H. True 1935-3-27 172 Los Angeles 5 mi sw Palmdale 914 Comment
  RSA770905  Syzygium jambos Marja C. Torcinia 2008-06 s.n. Los Angeles Claremont, 190 E Arrow Highway Comment
  RSA755894  Tagetes palmeri R. G. Swinney 2008-6-24 9098 Los Angeles mouth of Roberts Canyon, c. 100 m north of San Gabriel Canyon 213 Comment
  RSA601152  Tamarix ramosissima Louis C. Wheeler 1966-9-6 8876 Los Angeles San Gabriel Mountains, Angeles National Forest: Little Rock Reservoir. Comment
  UCR206154  Tamarix ramosissima R. G. Swinney 2008-5-30 8896 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  RSA474581  Taraxacum officinale Howard Mullins 1931-3-21 s.n. Los Angeles L.A. Comment
  LA32130  Tauschia arguta Henry J. Thompson; 1959-5-24 2007 Los Angeles Santa Monica Mountains, Tuna Canyon