Search Results — 2000 specimen records retrieved (1563 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
  UCR277099  Abies concolor R. G. Swinney 2010-9-23 13891 Los Angeles San Gabriel Mountains, summit of Middle Hawkins Peak on Hawkins Ridge 2593 Comment
  RSA0065508  Abies concolor Rudi Schmidt 1962-6-2 s.n. Los Angeles Swarthout Valley, Angeles National Forest. 1981 Comment
  RSA460915  Abronia maritima Ora M. Clark 1928-12-23 1389 Los Angeles Hermosa. Comment
  RSA460918  Abronia maritima E. A. Purer, F. Detmers 1931-3-19 s.n. Los Angeles El Segundo. Comment
  SD90292  Abronia maritima Robert F. Thorne 1970-3-6 39384 Los Angeles Santa Catalina Island; Ben Weston Beach (Mills Landing) 2 Comment
  UCR209125  Abronia pogonantha R. G. Swinney 2008-6-18 9079 Los Angeles San Gabriel Mountains, Juniper Hills, Devil's Punchbowl Co. Park, 0.1 mi. SW of nature center 1476 Comment
  NY679463  Abronia umbellata H. E. Hasse 1888-4-18 4119 Los Angeles At Long Beach. Comment
  RSA0048570  Abronia umbellata Elwood Fordham 1951-4-7 s.n. Los Angeles Pt. Dume. 27 Comment
  CAS-BOT-BC229298  Abronia villosa C. F. B. 1903-4-1 4125 Los Angeles Anaheim Comment
  UCR117129  Acacia cyclops A. C. Sanders, D. Malueg 2001-5-17 24335 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned 122 Comment
  UCR62241  Acacia dealbata S. J. Myers 1990-4-3 s.n. Los Angeles Powder Canyon, in the City of La Habra Heights 245 Comment
  RSA0073220  Acamptopappus sphaerocephalus Bonnie C. Templeton 1931-5-17 1208 Los Angeles So. of Lancaster, Mohave Desert. Comment
  CAS-BOT-BC331571  Acer macrophyllum Fay A. Mac Fadden 1936-9-6 14733 Los Angeles San Antonio Canyon, Mt. Baldy Camp Comment
  RSA394171  Acer macrophyllum Anstruther Davidson, Hasse 1906-6-5 1482 Los Angeles Big Rock Creek. [San Gabriel Mountians] Comment
  RSA603326  Acer macrophyllum Scott D. White 1997-5-21 5186 Los Angeles San Gabriel River Canyon: N of Azusa; parallel to Highway 39; canyon bottom and adjacent slopes along unnamed dirt access road to gauging station below Morris Dam. 244 Comment
  RSA650009  Acer macrophyllum Peter Gail 1961-5-27 s.n. Los Angeles North side of canyon approx. 50 ft. off Angeles Crest Hwy, 3 miles N of Ranger Station. Comment
  RSA660516  Acer macrophyllum Lori Ackerman, Gerald Braden, Arthur Davenport 1988-5-4 23 Los Angeles North end of West Fork [San Gabriel] River, San Gabriel Mountains. Comment
  UCSB32419  Acer macrophyllum Bonquet, Jacqueline 1960-8-16 Los Angeles Switzer's Camp, Angeles National Forest, San Gabriel Mts. 1066 Comment
  SEINET11679295  Achnatherum hymenoides H. H. Heller 1937-1 411 Los Angeles 16 mi E of Lancaster on Victorville Road Comment
  UCD51128  Achnatherum occidentale subsp. californicum H. S. Yates 1937-6-24 6598 Los Angeles near Lake Arrowhead. 1584 Comment
Read comments
Feb 10 2015
  SBBG57050  Achnatherum parishii M. N. Ackley -Mar-1928 54 Los Angeles Eagle Rock Hill 365 Comment
  RSA256321  Achnatherum speciosum J. R. Reeder, Charlotte G. Reeder 1973-6-2 6231 Los Angeles Angeles National Forest: ca. 5 miles SE of Valyermo, 1 mile N of Paradise Springs 1524 Comment
  CAS-BOT-BC204766  Acmispon argophyllus var. argenteus Mrs. Brandegee 1889-5-1 s.n. Los Angeles Santa Catalina Isl. Comment
  SFV16405  Acmispon argophyllus var. argophyllus J. H. Nishida 1991-8-24 s. n. Los Angeles San Gabriel Mountains Crystal Lake Campground. 1768 Comment
  SBBG126260  Acmispon glaber var. brevialatus A. C. Sanders with T. B. Salvato, M. Provance 2009-5-28 37020 Los Angeles San Gabriel River channel between Ramona Blvd and Lower Azusa Rd, southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 92 Comment
  OBI30230  Acmispon glaber var. glaber Peter Rowlands 1970-5-3 T 92 b Los Angeles Puddingstone Res. Lake, LaVerne 305 Comment
  SD13187  Acmispon strigosus Edith A. Purer 1935-5-12 6599 Los Angeles El Segundo, old sand dunes Comment
  UCD104372  Acmispon strigosus James Dilley; Jaime Kneitel 1997-2-23 s.n. Los Angeles Angeles National Forest, Big Tujunga Canyon Rd. near jct. Trail Cyn. Comment
  CAS-BOT-BC29200  Acourtia microcephala Howard E. McMinn 1924-7-25 1323 Los Angeles Catalina Island Comment
  SBBG31263  Acourtia microcephala R. F. Thorne with P. C. Everett 1965-6-22 34890 Los Angeles upper end of Avalon Cyn, along rd 213 Comment
  RSA657357  Adenostoma fasciculatum L. Yamanaka 1979-6-3 124 Los Angeles Verdugo Mountains Region: 1/4 mile east of Glendale College Administration Building, Glendale. 457 Comment
  UC859033  Adenostoma fasciculatum F. R. Fosberg 1931-4-10 S 4562 Los Angeles Santa Catalina Isl., Avalon Canyon 180 Comment
  RSA498004  Adenostoma fasciculatum var. fasciculatum H. L. Bauer 1932-5-1 s.n. Los Angeles Santa Monica Mts., along road to Saddle Peak. 610 Comment
Read comments
Mar 20 2015
  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
  RSA0065475  Adiantum jordanii William Gilbert 1968-3-20 s.n. Los Angeles Glendora. Comment
  UCR45201  Aeonium haworthii A. C. Sanders 1986-7-30 6836 B Los Angeles Pacific Slope, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr., east of Vista Del Mar Blvd 31 Comment
  RSA748836  Aesculus californica Justin M. Wood 2009-4-13 478 Los Angeles Foothills above the city of Sierra Madre, one carter estates at the end of Baldwin Ave. 49 Comment
  RSA602051  Ageratina adenophora Scott D. White 1997-5-7 5065 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mountains SW of I-210 freeway, E of Hansen Dam, and N of Wentworth St. 320 Comment
  RSA729576  Ageratina adenophora R. G. Swinney, D. W. Larson 1999-5-15 7180 Los Angeles San Gabriel Mtns.: Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas Experimental Forest. 610 Comment
  UCR231791  Ageratina adenophora 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
  UC586884  Agnorhiza ovata Joseph Andorfer Ewan 1934-8-11 8410 Los Angeles Chilao San Gabriel Mts. 1645 Comment
  SBBG66204  Agoseris grandiflora R. Hoffmann 1927-6-14 Los Angeles Elizabeth Lake Comment
  RSA0098373  Agoseris retrorsa R. G. Swinney 2011-6-6 14994 A Los Angeles San Gabriel Mountains: Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  UC75801  Agoseris retrorsa Geo. B. Grant 1890-1 28 Los Angeles Pasadena Comment
  UC196692  Agrostis alba A. Davidson, M. D. 1916-6-18 3158 Los Angeles roadside Alhambra Comment
  RSA586824  Agrostis exarata Orlando Mistretta 1994-6-15 1352 -A Los Angeles San Gabriel Mountains, Santiago Canyon. Side drainage entering Santiago Canyon from W, ca. 3 miles S of confluence of Santiago Creek and Little Rock Creek. 1280 Comment
  UCR124486  Agrostis exarata B. C. Templeton 1932-7-21 5012 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  UCR209959  Agrostis exarata R. G. Swinney 2008-7-15 9237 Los Angeles San Gabriel Mtns., Buckhorn Canyon 200 m north of Burkhart Saddle trailhead 1927 Comment
  UCR218024  Alisma triviale A. C. Sanders, Dan S. Cooper 2010-8-5 38538 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  SBBG72633  Allenrolfea occidentalis R. Hoffmann 1931-9-28 Los Angeles Lancaster Comment
  RSA70454  Allium burlewii F. W. Peirson 1924-5-27 4628 Los Angeles North slope of Strawberry Peak, San Gabriel Mountains. 1677 Comment
  RSA0048392  Allium fimbriatum James R. Shevock 1972-4-25 1593 Los Angeles 5 miles west of Palmdale on Sierra Highway. 975 Comment
  RSA249784  Allium fimbriatum var. fimbriatum Robert F. Thorne 1973-4-25 43405 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1/4 mi N of Bob's Gap, 3.5 miles S of Llano, N slope of Holcomb Ridge 1159 Comment
  RSA569414  Allium monticola B. C. Templeton 1933-5-15 5125 Los Angeles San Gabriel Mountains. Big Pines Park. West Blue Ridge. 2195 Comment
  RSA366489  Allium peninsulare var. peninsulare Anstruther Davidson 1921-6-1 3426 Los Angeles San Gabriel Mountians Comment
  RSA410053  Allophyllum divaricatum Albert J. Perkins 1920-5-29 s.n. Los Angeles Arroyo Seco. Comment
  UCR273151  Allophyllum divaricatum R. G. Swinney 2011-5-6 14611 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
  RSA28263  Allophyllum divaricatum Verne Grant, Alva Grant 1955-05 9400 Los Angeles [Seed parents in a natural population in Cow Canyon, San Gabriel Mts.] Comment
  CLARK-A1528-3459  Allophyllum gilioides John C. Roos 1937-5-31 1541 Los Angeles San Gabriel Mountains Comment
  RSA305698  Allophyllum glutinosum Mark Hoefs 1973-4-27 202 Los Angeles Santa Catalina Island; Wrigley Botanical Garden, Upper Avalon Canyon. 244 Comment
  UCR149773  Allophyllum glutinosum Scott D. White, Pam Devries 2004-5-18 10433 Los Angeles Western Transverse Ranges, Eastern Santa Susana Mtns. West of the I-5 Fwy, c. 4 mi N of the I-5 / SH-14 jtn. and 6 mi south of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges 518 Comment
  CAS-BOT-BC171445  Alnus rhombifolia W. R. Dudley 1899-7-22 s.n. Los Angeles Alpine Tavern, Mt. Lowe Comment
  RSA127761  Alnus rhombifolia H. J. Thompson, P. Raven 1958-10-11 S.N. Los Angeles Las Tunas Canyon near Coast Highway. 152 Comment
  RSA2094  Alnus rhombifolia C. F. Baker 1903-8-2 3667 Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  SEINET5783471 Image available Alnus rhombifolia Marcus E. Jones 1882-1 2864 Los Angeles Pasadena Comment
  UCR273256  Alnus rhombifolia R. G. Swinney 2011-10-25 15859 Los Angeles San Gabriel Mountains, along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek 1001 Comment
  UCR95763  Alnus rhombifolia Lauren Raz, Steve Boyd 1996-10-23 065 Los Angeles Liebre Mtns, Cienega Campground, c. 4 mi. from saddle between Warm Springs and Fish Canyon 670 Comment
  UCR223679  Amaranthus albus R. G. Swinney 2009-8-25 11497 Los Angeles Transverse Range; San Gabriel Mtns., Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  POM96198  Amaranthus blitoides P. A. Munz 1925-11 10812 Los Angeles Claremont. 366 Comment
  RSA402997  Amaranthus hybridus E. S. Spalding 1922-10-10 s.n. Los Angeles Los Angeles., Roadside Comment
  POM265639  Amaranthus spinosus J. C. Roos 1937-11-1 2282 Los Angeles Van Nuys Comment
  RSA0114166  Amblyopappus pusillus Steven A. Junak 1988-7-17 Sca- 767 Los Angeles Santa Catalina Island. Lower portion of Silver Canyon, ca. 0.25 mi inland from beach. 12 Comment
  UC284272  Amblyopappus pusillus P. A. Munz 1923-4-9 6670 Los Angeles east coast, dry bluffs San Clemente Island Comment
  CAS-BOT-BC42899  Ambrosia acanthicarpa J. Q. Adams 1910-10-1 s.n. Los Angeles Soldier's Home Comment
  CHSC95454  Ambrosia acanthicarpa LeRoy Gross; Valerie Soza, Neil Gilbert 2000-10-18 293 Los Angeles Verdugo Mountains: Hostetter Mountainway. 701 Comment
  LA50811  Ambrosia acanthicarpa Peter H. Raven; Henry J. Thompson 1960-7-17 15561 Los Angeles Santa Monica Mountains, Saddle Peak, shoulder of peak, 1 mi E of summit 609 Comment
  SBBG61232  Ambrosia acanthicarpa M. N. Ackley -Oct-1927 246 Los Angeles Eagle Rock 213 Comment
  SEINET4560557  Ambrosia acanthicarpa R. G. Swinney 2009-1 11611 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert: Confuence of Kentucky Spring Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 920 Comment
  RSA5214  Ambrosia acanthicarpa C. B. Wolf 1932-9-13 4069 Los Angeles Bryant Ranch near middle of S boundary of SE 1/4 sect 27. 5 Comment
  SD92030  Ambrosia chamissonis Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-25 22705 Los Angeles San Clemente Island, sandy flat northwest end 4 Comment
  CAS-BOT-BC55551  Ambrosia psilostachya Peter H. Raven; Henry J. Thompson 1959-9-6 14381 Los Angeles Mouth of Malibu Creek Comment
  UC472179  Ambrosia psilostachya J. Ewan 1931-10-24 5267 Los Angeles n shore Malibu Lake Comment
  RSA607674  Ammannia robusta Louis C. Wheeler 1951-8-20 6834 Los Angeles Pasadena: Devils Gate Dam. Comment
  SDSU233  Amorpha californica J. Godsil 1953-5-17 608 Los Angeles Oak flat guard station, US 99 823 Comment
Read comments
Nov 10 2008
  JEPS57332  Amorpha californica var. californica L. R. Heckard 1968-5-11 1843 Los Angeles along Hwy 6 1.3 mi below Newhall junction (se of Newhall) 518 Comment
  UCR183986  Amsinckia intermedia A. C. Sanders 2007-4-19 33437 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  UCR269885  Amsinckia intermedia Jeremiah George 2015-4-10 415- 09 Los Angeles Western Mojave Desert, Lancaster, southeast of intersection of West Ave. I and 30th St. West, north of Jackman St. 708 Comment
  RSA0079959  Amsinckia intermedia Barry Burnell 1971-3-29 309 Los Angeles Sycamore Canyon above Claremont at the top of Indian Hill Blvd. San Gabriel Mts., Pacific Slope drainage. 396 Comment
  RSA0079989  Amsinckia intermedia James Henrickson 1985-3-30 19781 Los Angeles Ca. 3 air mi. NNW of Newhall in proposed North Hills development just north of Santa Clara River and just E of San Francisquito Creek. 370 Comment
  RSA0079990  Amsinckia intermedia Catherine A. Mish 1995-3-4 21 Los Angeles Santa Monica Mtns, Caballero Cyn. 1.0 km from trailhead. 380 Comment
  SD217241  Amsinckia spectabilis Steve Boyd, Tim Ross and Laurel Arnseth 1990-4-8 4356 Los Angeles San Clemente Island; east side of island, near Malo Point, third canyon south of Bryce Canyon Comment
  RSA593687  Amsinckia tessellata Steve Boyd 1996-4-25 8710 Los Angeles Liebre Mountains, southwestern flank of Liebre Mountain, along Forest Service Road 7N22 ca 1.1 mile E of jtn with 7N23. 1220 Comment
  SJSU1845  Amsinckia tessellata C. W. Sharsmith 1957-4-13 6376 Los Angeles 1 mi S of Gorman 1066 Comment
  SEINET6098508  Amsinckia tessellata Unknown 1997-3-21 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
Read comments
Oct 27 2015
  SFV22005  Anagallis arvensis V. Soza, L. Gross, A. Munoz 2000-5-12 886 Los Angeles Verdugo Mountains Northeast side of Verdugo Mountains. Glendale, Engleheard Canyon, Camp Max Strauss at end of Shirlyjean Street. Fire road south from Engleheard Canyon to power lines. East-northeast-facing slope alongside trail to fire road, near junction. 396 Comment
  CAS-BOT-BC400312  Anemopsis californica Alice Eastwood 1906-5-31 86 Los Angeles Country adjacent to Los Angeles. Bimini Baths Comment
  IRVC28736  Anethum graveolens A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Julie M. Vanderwier 2002-8-8 25566 Los Angeles north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur Santa Clara River Valley 274 Comment
  UCR223761  Antennaria dimorpha R. G. Swinney 2009-5-28 10976 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  POM307063  Anthemis cotula Henry J. Ramsey, Henry J. Ramsey 1937-8-19 1943 Los Angeles San Gabriel Wash. Comment
  RSA425785  Antirrhinum coulterianum L. E. Hoffman 1933-7-10 s.n. Los Angeles Coldwater Canyon (near Colby's Ranch) Sierra Madre Mountains Comment
  UC2042125  Antirrhinum coulterianum Orlando Mistretta 1990-7-2 s. n. Los Angeles Transverse Ranges; San Gabriel Mountains region: Bear Flat. Comment
  RSA719061  Antirrhinum kelloggii R. G. Swinney 1998-4-13 5947 Los Angeles Marshall and Live Oak Canyon drainages, La Verne 549 Comment
  UCR190248  Antirrhinum kelloggii R. G. Swinney 2000-5-21 7770 Los Angeles San Gabriel Mtns., NE of Azusa, Rincon Canyon, c. 300 m SW of Rincon Rd. entrance and Hwy 39, on plateau W of Rincon Rd. 549 Comment
  UCR281330  Antirrhinum kelloggii R. G. Swinney 2014-5-19 16552 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
  UCR147296  Antirrhinum multiflorum Orlando Mistretta, Peter L. Morrell 1992-6-4 479 Los Angeles Transverse Ranges; San Gabriel Mountains, Short Cut Canyon, OVH area. Arroyo District Comment
  UCR131362  Antirrhinum nuttallianum Jeremiah George 2001-5-8 s.n. Los Angeles South Coastal Plains Region, Palos Verdes Peninsula, Rancho Palos Verdes, Ocean Trails development, between Palos Verdes Dr. South and the ocean 3 Comment
Read comments
May 15 2014
  CATA274  Antirrhinum nuttallianum subsp. subsessile Mark L. Hoefs 1973-5-15 286 Los Angeles Santa Catalina Island: Behind golf course #7 tee, Avalon Canyon 76 Comment
  PASA974  Antirrhinum strictum Frank W. Peirson 1925-4-23 Los Angeles Forks of the San Gabriel River 533 Comment
  CAS-BOT-BC447675  Aphanes arvensis A. J. McClatchie 1894-4-16 s.n. Los Angeles Pasadena Comment
  CATA3029  Aphanes occidentalis Amy Catalano 2016-3-14 035 Los Angeles Santa Catalina Island: Along Middle Ranch Road, about 125 meters down canyon from Johnson Tree, on south side of road 286 Comment
  RSA599702  Apiastrum angustifolium Steve Boyd, Lauren Raz, Timothy S. Ross 1997-4-1 9451 Los Angeles Liebre Mountains region: Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of Osito Flat, a distinctive, open grassy break in slope under the high tension power lines. 793 Comment
  RSA550384  Apocynum cannabinum T. S. Ross 1992-7-10 6656 Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater Canyon & Wickiup Canyon. 967 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
  RSA0126408  Arabis glabra P. A. Munz, R. D. Harwood 1920-5-15 3938 Los Angeles Sepulveda Canyon, Santa Monica Mountains 244 Comment
  RSA482580  Arabis pulchra Gale Sphon 1959-4-4 286 Los Angeles 3 miles north of Big Rock Public Camp, Big Rock Creek Comment
  RSA730254  Aralia californica R. G. Swinney 1999-6-25 7417 Los Angeles San Gabriel Mtns.: south fork of Fern Canyon, NE of Browns Flat 1280 Comment
  RSA733664  Aralia californica R. G. Swinney 1998-7-24 6569 Los Angeles San Gabriel Mtns.: Upper Fish Fork of San Gabriel River. 1585 Comment
  RSA737149  Aralia californica Scott D. White, Justin M. Wood 2008-10-7 12549 Los Angeles San Gabriel River- West Fork, between Bear Creek and Rincon Red Box Rd. 549 Comment
  RSA470436  Aralia californica George R. Johnstone 1930-9-14 s.n. Los Angeles Edison Rd. above Dark Canyon Calif. San Gabriel Mts. 762 Comment
  RSA507523  Arbutus menziesii L. C. Wheeler 1966-11-26 9157 Los Angeles San Gabriel Mountains. West Fork San Gabriel Canyon Drainage. Pine Mountain Truck Trail. 914 Comment
  RSA626733  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley, Melanie Baer-Keeley 1992-10-15 22108 Los Angeles Glendora Ridge Rd., 7 km southwest of Baldy Rd., San Gabriel Mtns. 1410 Comment
  RSA631299  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Melanie Baer Keeley 1992-10-11 21989 Los Angeles Liebre Mountains, 3.5 km east of Bear Campground. 1675 Comment
  RSA631456  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16046 Los Angeles Ridge Route, 2 km south of Liebre Gulch turnoff. 1000 Comment
  RSA631604  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-6-18 15628 Los Angeles Aliso Canyon Road, 4 km northwest of Angeles Forest Highway. 1050 Comment
  RSA631659  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15700 Los Angeles Angeles Forest Highway, 8 km north of Big Tujunga Canyon turnoff. 1300 Comment
  RSA635068  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20568 Los Angeles Road to Sulphur Springs Cpgrd., 4 km N of Angeles Crest Hwy, N of Chilao Cpgrd. San Gabriel Mtns. 1840 Comment
  RSA639163  Arctostaphylos patula Valerie L. Soza, LeRoy Gross 1999-9-14 645 Los Angeles San Gabriel Mountains: Kratka Ridge, Upper Little Rock Creek-Williamson Rock climbing area. 2012 Comment
  SD234373  Arctostaphylos patula R. G. Swinney 1998-8-13 6736 Los Angeles San Gabriel Mtns.: summit of Iron Mountain. South side of peak. 2427 Comment
  UCR223196  Arctostaphylos patula R. G. Swinney 2009-7-22 11303 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  RSA777529  Arenaria macradenia R. G. Swinney 2009-5-20 10823 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge. 1433 Comment
  UC1375310  Arenaria macradenia var. arcuifolia R. F. and M. Z. Thorne 1969-7-10 38428 Los Angeles Above small stream c. 1.5 mi w Wrightwood; San Gabriel Mts., Angeles National Forest 1950 Comment
  UC57614  Argemone munita J. H. Barber 1898-8-5 Los Angeles Malibu Comment
  RSA0034962  Argemone munita subsp. argentea Carol Haines 1964-5-23 157 Los Angeles 13 miles from beginning of Old Ridge Route. 944 Comment
  CAS-BOT-BC401658  Argemone munita subsp. munita Alice Eastwood 1906-5-27 262 Los Angeles Country adjacent to Los Angeles. Roscoe Comment
  LA200155  Artemisia californica Jonathan Sauer; H. N. Sauer, L. Birindelli, D. Birindelli 1968-11-23 4367 Los Angeles Santa Monica Mountains, Malibu Lagoon and salt marsh Comment
  POM244222  Artemisia californica F. R. Fosberg 1931-12-10 7156 Los Angeles Pebble [Pebbly] Beach Canyon, lf. fk. Santa Catalina Island. 20 Comment
  SBBG79906  Artemisia californica F. R. Fosberg 1931-12-10 7156 Los Angeles Pebble [Pebbly] Beach Cyn, left fork 20 Comment
  CAS-BOT-BC90337  Artemisia douglasiana Grant 1898-3-24 1856 Los Angeles Lincoln Park Comment
  LA31372  Artemisia douglasiana Peter H. Raven; Jane Turner, Barbara Whitesel 1959-3-15 C 146 Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  RSA550690  Artemisia douglasiana Timothy S. Ross, Annette Ross 1991-7-29 5716 Los Angeles Elephant Hill; N-most point of the Puente Hills, W Pomona. Mapped as Miocene Volcanic (rhyolite). 229 Comment
  CAS-BOT-BC93826  Artemisia dracunculus Timothy S. Ross; Steve Boyd 1994-9-20 8249 Los Angeles Liebre Mountains - Upper Bouquet Canyon: ca 2225 m WSW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet 993 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
  UC1594392  Artemisia nesiotica Tim Ross and Elizabeth Kellogg 1992-4-13 6147 Los Angeles secondary terrace ene Darter ((354 degrees N 1375m distant from 199' BM near Flasher)); San Clemente Island 56 Comment
  UC557794  Artemisia nesiotica Nell Murbarger 1936-4-1 127 Los Angeles extreme southern part San Clemente Island Comment
  SEINET3398531  Artemisia nesiotica E. D. McArthur 2006-1 3090 Los Angeles San Clemente Island Comment
  CAS-BOT-BC97202  Artemisia spinescens Cecil Hart 1930-4-27 s.n. Los Angeles between Lancaster & Victorville Comment
  UCR108217  Artemisia spinescens Steve Boyd, Kent Hughes 1998-5-5 10187 Los Angeles West Mojave Desert, Antelope Valley, along Hwy 138 (West Ave. D), west of the junction with Hwy 14, at intersection with 140th Street, c. 4 mi. SW of Rosamond Dry Lake 701 Comment
  UC1042365  Artemisia tridentata John Thomas Howell 1950-11-9 27484 Los Angeles valley flat 3 mi sw Newhall Comment
  OBI34567  Arthrocnemum subterminale David J. Keil 1983-8-23 17882 Los Angeles Huntington Harbor t Bolsa Chica Ecological Reserve Comment
  SBBG116060  Asclepias californica R. Burgess, P. Munro 1999-4-17 3244 Los Angeles Canton Cyn, NE of Lake Piru, N side of Canton Crk, above first narrows 487 Comment
  RSA594460  Asclepias fascicularis Steve Boyd, Lauren Raz 1996-9-24 8948 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
  UCR210014  Asclepias fascicularis R. G. Swinney 2008-10-7 9469 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  UCR88679  Asclepias fascicularis Scott D. White 1995-10-19 3720 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
  SEINET12045051  Asparagus officinalis I. Johnston 1917-1 s.n. Los Angeles El Monte 275 Comment
  CAS-BOT-BC68752  Asplenium vespertinum George L. Moxley 1920-11-28 871 Los Angeles San Gabriel Canyon Comment
  RSA415775  Astragalus acutirostris Anstruther Davidson 1893-5-12 s.n Los Angeles Lancaster. Comment
  UC635316  Astragalus coccineus H. L. Mason 1926-4-27 3044 Los Angeles Rock Creek , Rock Creek (Mojave Desert slope of San Gabriel Mountains) Comment
  UC397175  Astragalus didymocarpus P. A. Munz 1919-4-5 2435 Los Angeles near San Dimas (Puddingstone Canyon); , near San Dimas Comment
  JEPS90981  Astragalus filipes Dean Wm. Taylor with Glenn Clifton, Roy Buck 1989-11-9 10588 Los Angeles Pyramid Lake Transverse Ranges (ruderal site adjacent to parking lot) 838 Comment
  UCR184539  Astragalus gambelianus A. C. Sanders, T. B. Salvato 2007-4-24 33510 Los Angeles Tehachapi Mountains, hills above Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant 1082 Comment
  SD51864  Astragalus miguelensis Peter H. Raven 1962-4-11 17259 Los Angeles San Clemente Island, on sandy beach due west of Wall 2 Comment
  SDSU19657  Astragalus nevinii Michael G. Simpson, Adrienne Russell, Jonathan Dunn, David Pivorunas 2000-7-19 2185 Los Angeles San Clemente Island, ca. 0.1 mile southwest from the end of road that runs south from Eel Point. 27 Comment
  UC311822  Astragalus purshii var. tinctus P. A. Munz 1921-6-17 4614 Los Angeles Swartout Valley San Antonio Mts., Swartout Valley 2286 Comment
  SEINET269154  Astragalus trichopodus Scott D. White 1995-3-15 2564 Los Angeles Upslope from Winter Canyon near Pepperdine Univ. N of Pacific Coast Hwy. E of Malibu Cyn. Rd. SW of Malibu Civic Cen 91 Comment
  CAS-BOT-BC194034  Astragalus trichopodus var. lonchus Timothy S. Ross; J. Mark Porter; Gery Allan; Vanessa Ashworth; Darin Banks; Megan Tommerup 1994-3-28 7400 A Los Angeles Rancho Palos Verdes, un-named horseshoe-shaped canyon to the NE of upper Forrestal Drive, San Pedro 7.5', Palos Verdes Peninsula 164 Comment
  CAS-BOT-BC194040  Astragalus trichopodus var. lonchus Tim Ross 1993-4-22 6890 Los Angeles SW part of the island in the vicinity of Cactus Peak (1560 ft.); southerly coastl slope1320 m SE of Cactus Peak summit, Santa Catalina South USGS 7.5' quad, Santa Catalina Island 350 Comment
  RSA583046  Astragalus trichopodus var. lonchus T. S. Ross 1993-4-22 6890 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft.); southerly coastal slope of 1320 m SE of Cactus Peak summit. 351 Comment
  SBBG37554  Astragalus trichopodus var. lonchus S. A. Junak with M. L. Hoefs, K. Kirkland 1998-4-5 SCa 547 Los Angeles just N of rd to Toyon Bay, 1.1 rd mi from intersection with Airport Rd 316 Comment
  RSA415737  Astragalus trichopodus var. lonchus Frances M. Morey 1922-4-14 s.n Los Angeles Culver City. Comment
  SBBG3260  Astragalus trichopodus var. lonchus H. and M. Dearing 1938-5-22 2594 Los Angeles coast near Santa Monica Comment
  UC862985  Astragalus trichopodus var. phoxus I. W. Clokey and B. C. Templeton 1930-4-8 4647 Los Angeles San Francisquito Canyon 800 Comment
  SEINET898929  Athyrium filix-femina var. californicum Albert E. Grable 1970-1 2774 Los Angeles Topango Canyon Rd. 3.4 miles north of Pacific Coast Hwy. 183 Comment
  CAS-BOT-BC17505  Athysanus pusillus George B. Grant 1900-2-8 5871 Los Angeles Lincoln Park. Comment
  SBBG30832  Athysanus unilateralis S. Boyd with L. Lenz 2001-5-2 10421 Los Angeles St Hwy 138, base of hills at edge of W-most end of the Antelope Valley, just E of the jct with the old Ridge Rte Comment
  UCR188673  Atriplex amnicola Tim Searl 2007-10-15 151007- 04 Los Angeles South Coast, Malibu Lagoon near 'Malibu Colony' along state park access road, just above water line; west of highway and north of Malibu Creek 1 Comment
  UC56782  Atriplex californica Ernest Braunton May 1902 267 Los Angeles Redondo Comment
  RSA535323  Atriplex californica T. S. Ross 1991-5-20 5352 Los Angeles San Clemente Island: north third; middle N fork of un-named drainage that empties to sea just N of Jack Point lighthouse. 152 Comment
  SEINET3930675  Atriplex canescens subsp. canescens Timothy S. Ross, Steve Boyd 1994-9-20 8227 a Los Angeles Located 2 miles northwest of Acton. South side of intersection of Escondido Canyon Road and Red Rover Mine Road.; 0 884 Comment
  UCR259087  Atriplex canescens subsp. canescens R. G. Swinney 2010-10-15 14065 Los Angeles San Gabriel Mountains, from Little Tujunga Wash at the I-210 Fwy, to the east end of Hansen Lake 329 Comment
  LA204700  Atriplex canescens var. canescens Harlan Lewis; 1942-11-29 250 Los Angeles Little Rock Comment
  CAS-BOT-BC170014  Atriplex confertifolia Ernest C. Twisselmann 1970-9-8 17490 Los Angeles Antelope Valley, Highway 14 at Avenue B - Mojave Desert 731 Comment
  CAS-BOT-BC170021  Atriplex confertifolia Roxana S. Ferris 1918-6-12 900 Los Angeles In desert road between Oban and Lancaster Comment
  OBI6971  Atriplex confertifolia Shirley Vaughan 1974-5-11 31 Los Angeles 10th st. E and Kettering St., Lancaster 718 Comment
  RSA739275  Atriplex glauca R. E. Riefner 2008-12-27 83 Los Angeles City of Malibu, ocean bluff W of El Matador State Park 3 Comment
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Dec 13 2012
  SBBG126151  Atriplex glauca A. C. Sanders with T. B. Salvato 2009-5-19 36812 Los Angeles Montebello Hills, under SCE powerlines S of Montebello Blvd and W of Plaza Dr, S of large shopping mall called Montebello Town Center 110 Comment
  RSA457630  Atriplex johnstonii L. C. Wheeler 1933-4-27 1657 Los Angeles Playa del Rey (Type loc.) 8 Comment
  RSA478282  Atriplex lentiformis subsp. breweri Robert Gustafson 1981-6-17 2236 Los Angeles Ballona Wetlands, Area 1 Comment
  RSA478304  Atriplex leucophylla F. R. Fosberg 1931-5-18 S- 4894 Los Angeles Little Harbor, Santa Catalina Island. 2 Comment
  SBBG109021  Atriplex leucophylla S. A. Junak 1996-5-31 SCl 565 Los Angeles E end of beach at West Cove 3 Comment
  RSA188922  Atriplex prostrata R. F. Thorne, P. Everett 1965-6-24 s.n. Los Angeles Santa Catalina Island. Shark Harbor, W side of Island. 8 Comment
  RSA0104987  Atriplex prostrata Steven A. Junak 1999-7-16 SCa- 1057 Los Angeles Santa Catalina Island. Just inland from mouth of Cottonwood Canyon, N side of creekbed. 6 Comment
  POM219192  Atriplex rosea L. C. Wheeler 1932-8-28 1294 Los Angeles 1 mile SSW La Verne 274 Comment
  SD69571  Atriplex semibaccata Robert F. Thorne 1966-9-14 36623 Los Angeles Santa Catalina Island; Middle Ranch, Middle Ranch Canyon. 214 Comment
  CAS-BOT-BC176785  Atriplex spinifera Ralph Hoffmann 1932-4-27 s.n. Los Angeles 6 miles w. of Lancaster Comment
  UC625153  Atriplex watsonii F. R. Fosberg 1931-5-20 S 4925 Los Angeles Catalina Harbor Santa Catalina Island, Ballast Point, Catalina Harbor (Ballas Point, Santa Catalina Island) 1 Comment
  UC7070  Atriplex watsonii unknown July 1896 Los Angeles Long Beach; Seashore Comment
  RSA669695  Avena barbata LeRoy Gross, Naomi Fraga, Bill Hogshead 2002-3-21 496 Los Angeles Southwest side; South of La Tuna Canyon Road, at end of Morning Glow Way. 412 Comment
  UCR259908  Avena barbata R. G. Swinney 2010-3-18 11990 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road 540 Comment
  UCR51523  Avena barbata A. C. Sanders 1987-12-4 7575 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr. 31 Comment
  RSA466285A  Avena fatua A. C. Sanders 1988-2-3 7607 Los Angeles El Segundo Dunes, immediately W of LA..International Airport and Pershing Drive, E of Vista Del Mar Boulevard. 30 Comment
  IRVC1477  Avena fatua McGuire 1965-4-16 HS 75 Los Angeles San Gabriel. Transverse Ranges Comment
  RSA385397  Avena fatua Albert J. Perkins 1920-02 s.n. Los Angeles Street in western Los Angeles. Comment
  RSA0106817  Azolla Steven A. Junak 1999-7-16 SCa- 1054 Los Angeles Santa Catalina Island. Lower Cottonwood Canyon, just downstream from crossing of road to Ben Weston Beach. 24 Comment
  RSA418208  Baccharis douglasii F. R. Fosberg 1931-7-10 5363 Los Angeles Eagle's Nest, Middle Ran[ch] Canyon, Santa Catalina Island. 180 Comment
  IRVC4809  Baccharis glutinosa Carl Epling, Lincoln Ellison 1929-4-27 Los Angeles Topango [sic] Canyon. Santa Monica Mountains Comment
  UCR95542  Baccharis glutinosa Steve Boyd, L. Raz 1996-9-24 8934 B Los Angeles Liebre Mtns, Knapp Ranch area at upper end of Castaic Creek drainage in broad valley at head of Cienaga Canyon, south of Liebre Mtn. 930 Comment
  UCR282612  Baccharis plummerae Dan S. Cooper 2016-8-17 816- 10 Los Angeles Temescal Canyon Park, east of Temescal Canyon Rd. 18 Comment
  POM50720  Baccharis salicifolia L. R. Abrams 1901-04 1393 Los Angeles Tujunga Wash Comment
  UCR210443  Baccharis salicifolia R. G. Swinney 2008-11-30 9883 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  RSA93202  Baccharis salicifolia F. W. Peirson 1919-02 353 Los Angeles Rubio Canyon, S side of San Gabriel Mts. 549 Comment
  RSA0062833  Baccharis salicifolia subsp. salicifolia LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6756 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  UCR162366  Baccharis sarothroides Anuja Parikh, Nathan Gale 2004-5-13 2007 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch (study area 46), near Magic Mountain Theme Park 396 Comment
  IRVC29660  Baccharis sarothroides Mark A. Elvin 2003-6-12 2947 Los Angeles Newhall Ranch, S of Magic Mountain Amusement Park, W of The Old Road Santa Clarita Valley 366 Comment
  RSA703252  Batis maritima R. E. Riefner Jr. 2004-4-20 4 -138 Los Angeles City of Long Beach, Middle Harbor area of San Gabriel River, West of Westminster Ave. 12 Comment
  RSA650242  Beloperone guttata Charles Norman 1949-2-2 s.n. Los Angeles New York & Harding Ave., Altadena. 198 Comment
  RSA85319  Berberis aquifolium var. aquifolium F. W. Peirson 1943-5-15 13462 Los Angeles along small stream bed immediately south and above Big Pines Center 2133 Comment
  CAS-BOT-BC75762  Berberis nevinii Elmer I. Applegate 1931-11-2 6826 Los Angeles San Fernando Wash, San Fernando. Comment
  RSA782808  Bidens frondosa A. C. Sanders, Dan S. Cooper 2010-8-5 38540 Los Angeles Madrona Marsh Preserve, Torrance 24 Comment
  SDSU6449  Bidens pilosa var. pilosa R. M. Gallup 1948-11-1 250 Los Angeles Claremont - orchard south of Claremont Oaks. 366 Comment
  RSA482579  Boechera Geo L. Moxley 1917-3-11 533 Los Angeles Pacoima Canyon, near San Fernando Comment
  SFV15330  Boechera arcuata J. C. Dittes, D. Stolp 1990-3-10 42 Los Angeles San Gabriel Mountains 1.5 miles upstream of Big Tujunga flood control reservoir. 732 Comment
  RSA0128796  Boechera californica Orlando Mistretta, Christine Mistretta 2008-4-17 2478 Los Angeles Southern California transmission line tower (Segment 6, Structure 24 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1301 Comment
  UCR228423  Boechera pulchra var. pulchra Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-21 8047 Los Angeles Lower south foothills of Sierra Pelona, 500 m N of Governor Mine, 800 m E of Red Rover Mine Rd, and 2.2 km N of I-14/Sierra Highway 1110 Comment
  UCD119133  Borago officinalis Collector unknown 1977-4-29 LASCA 1095 Los Angeles location unknown. Comment
  UCD56814  Bothriochloa barbinodis Tom Yutani 1968-5-24 s.n. Los Angeles La Mirada. Highway Garden Service. 15016 Leffingwell Road. La Mirada, CA 90638. Comment
  RSA709605  Bowlesia incana A. C. Sanders, A. Thompson 2003-4-15 25995 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park. 305 Comment
  UCR264694  Bowlesia incana Mitch Provance, Callen Huff 2009-4-28 10738 Los Angeles Tehachapi Mountians, Tejon Ranch, 1.2 mi. N of Gorman, Bear Canyon, along Crane Canyon Rd., about 1 mi. S of Castac Lake 1220 Comment
  RSA0118518  Bowlesia incana Steven A. Junak, Keri Kirkland 1998-6-11 SCa- 708 Los Angeles Santa Catalina Island. NE side of island, in portion of small canyon, just SE of Frog Rock. 15 Comment
  UCR130592  Boykinia rotundifolia R. E. Riefner Jr. 2000-8-29 00- 757 Los Angeles Western Transverse Range; Verdugo Mtns., La Tuna Canyon, Verdugo Mtns. Conservancy Park, second canyon at picnic stop along La Tuna Canyon Rd. 2.5 miles south of 210 Freeway exit 462 Comment
  UCR131443  Brassica geniculata Alison Lipman 1998-6-9 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
  UCR223680  Brassica geniculata R. G. Swinney 2009-8-25 11498 Los Angeles Transverse Range; San Gabriel Mtns., Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  UCR272362  Brassica geniculata R. G. Swinney 2011-6-20 15223 Los Angeles San Gabriel Mountains, Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail 1573 Comment
  SFV7347  Brassica nigra T. Gordon, M. H. Grayum 1975-3-21 863 Los Angeles Santa Monica Mountains Coastal slope at junction of Pacific Coast Highway and Decker Canyon Road. 30 Comment
  RSA0042799  Brassica nigra Elwood Fordham 1951-3-15 s.n. Los Angeles Topanga, Max Silvernale's. 274 Comment
  POM307806  Brassica rapa Henry J. Ramsey, Henry J. Ramsey 1938-3-5 2754 Los Angeles Eaton Canyon Park, Altadena. Comment
  CAS-BOT-BC100425  Brickellia californica Wesley Griesel 1962-9-14 738 Los Angeles State Hwy #2 between Islip Saddle & Dawson Saddle, San Gabriel Mts. 2133 Comment
  POM351108  Brickellia californica F. R. Fosberg 1931-7-11 7201 Los Angeles Ridge Route nr Liebre summit. 335 Comment
  POM351113  Brickellia californica Anstruther Davidson 1889-09 2006 Los Angeles Los Angeles Comment
  JEPS30649  Brickellia californica Peter H. Raven and Henry J. Thompson 1958-10-11 13765 Los Angeles 4.2 mi E of top of Saddle Peak on Piuma Road. 640 Comment
  POM4594  Brickellia nevinii C. F. Baker 1903-10-10 3731 Los Angeles San Antonio Canon [canyon] near Claremont. Comment
  RSA0068086  Brodiaea terrestris subsp. kernensis Michael C. Long 2015-4-13 922 Los Angeles Santa Monica Mtns., Agoura, sloping hill east of Kanan Rd. just S of Agoura Rd., (S of 101 Fwy.), Agoura Town Center project site. 274 Comment
  POM364053  Bromus Robert M. Perkins 1936-3-19 188 Los Angeles San Marino. Comment
  SEINET13203243 Image available Bromus R. G. Swinney 2011-1 15491 Los Angeles San Gabriel Mountains: "Strawberry Potrero", uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property (Chilao Flat 7.5' Q.) 1426 Comment
  RSA595656  Bromus carinatus Timothy S. Ross, Victor W. Steinmann 1995-5-8 8551 Los Angeles Slopes between Leona Valley and Lost Valley. 1098 Comment
  SBBG128787  Bromus carinatus M. L. Hoefs 1995-6-21 2297 Los Angeles Upper Bullrush Cyn 286 Comment
  RSA385308  Bromus carinatus var. carinatus Samuel R. Tyson 1942-5-28 s.n. Los Angeles San Dimas Canyon 1463 Comment
  RSA599944  Bromus carinatus var. carinatus L. C. Wheeler 1968-3-17 s.n. Los Angeles West Fork Morgan Canyon at Ferguson Motorway. 412 Comment
  UC205259  Bromus carinatus var. carinatus D. L. Crawford 1916-5-20 Los Angeles above Claremont Comment
  CAS-BOT-BC148920  Bromus carinatus var. marginatus Timothy S. Ross; Steve Boyd 1994-5-11 7808 Los Angeles Liebre Mountains. Sawmille Mountain. West summit area ca. 260-350 m southeast of Sawmill Campground. 1621 Comment
  POM363400  Bromus diandrus Donald Tahara 1975-5-27 65 Los Angeles Puma [Piuma] Road 0.5 mile south of Malibu Canyon. Comment
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Apr 10 2014
  RSA591596  Bromus diandrus C. Epling, L. Ellison 1929-4-27 s.n. Los Angeles Santa Monica Mountains. Topango [Topanga] Canyon. Comment
  RSA658224  Bromus diandrus Naomi Zohman 1985-4-28 40 Los Angeles Junction of CA Hwy 39 and west fork of San Gabriel River. Forest Service Road, along the west fork. Comment
  UCD58579  Bromus diandrus Robert D. Clarke 1979-4-15 s.n. Los Angeles Central Los Angeles. Comment
  UCD59485  Bromus diandrus Robert F. Thorne; P. C. Everett 1964-2-7 33453 Los Angeles At lower end of Pebbly Beach Canyon, E end of Santa Catalina Island. 76 Comment
  UCR280683  Bromus diandrus R. G. Swinney 2014-5-27 16671 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
  LA13866  Bromus diandrus Carl Epling; 1931-4-25 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  LA200943  Bromus diandrus Norman A. Cole; May 1964 322 .1 Los Angeles SANTA MONICA MOUNTAINS, 6.3 mi from Pacific Coast Hwy along Piuma Rd. 365 Comment
  CAS-BOT-BC155581  Bromus grandis Geo. B. Grant 1900-3-28 1605 Los Angeles Analon. Comment
  UCR177620  Bromus grandis LeRoy Gross, Valerie Soza 2001-6-6 430 Los Angeles Los Angeles Basin region:, Verdugo Mountains, north side; Hostetter Mountain Way, off of La Tuna Canyon Road. 671 Comment
  CATA1055  Bromus hordeaceus Mark L. Hoefs 1995-5-10 1988 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail, above #7 tee of golf course 97 Comment
  RSA221478  Bromus hordeaceus Arthur C. Gibson 1971-4-16 1851 Los Angeles [San Gabriel Mountains] Near mouth opening into San Antonio Canyon, Stoddard Canyon, Angeles National Forest 738 Comment
  UCR47307  Bromus hordeaceus D. L. Koutnik 1978-4-28 434 Los Angeles Transverse Range; Santa Monica Mtns., Fire road north of Mulholland Hwy and NW of Saddle Rock 610 Comment
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Dec 25 2016
  CATA926  Bromus madritensis subsp. rubens Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-15 1783 Los Angeles Santa Catalina Island: North of road between Emerald Bay and Parsons Landing 121 Comment
  UC934025  Bromus madritensis subsp. rubens H. L. Cogswell 1951-5-8 85 Los Angeles 3/4 mi n of San Dimas Foothill County Park (base of San Gabriel Mountains); San Gabriel Mountains 472 Comment
  RSA226188  Bromus rubens Gary D. Cromwell, David W. Wheat 1971-5-14 659 Los Angeles Mystic Canyon, Angeles National Forest, 2 miles NE of Glendora. 564 Comment
  RSA589250  Bromus rubens Timothy S. Ross 1991-4-28 4753 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 926 Comment
  SBBG17764  Bromus rubens P. H. Raven 1962-5-9 17668 Los Angeles near head of cyn S of Mosquito Cove 320 Comment
  SBBG96663  Bromus rubens S. Boyd with T. Ross, L. Arnseth 1990-4-7 4245 Los Angeles lower half of China Cyn Comment
  UCD59529  Bromus rubens Jack Delaini 1974-4-5 100 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. 426 Comment
  RSA682448  Bromus sterilis LeRoy Gross, Bill Hogshead, Valerie Soza 2003-5-29 957 Los Angeles West end of the mountains: At junction (saddle) of Verdugo motorway and Wildwood Fire Road (Abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago.), We went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Mortorway) Basically a triangle. 564 Comment
  RSA0095249  Bromus tectorum R. G. Swinney 2011-6-20 15225 Los Angeles San Gabriel Mountains: Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail 1567 Comment
  SEINET3923581  Bromus tectorum Louis C. Wheeler 1967-5-29 9764 Los Angeles San GABRIEL MOUNTAINS: San Antonio Canyon, southwest of Spring Hill. Between Dry Lake Canyon and Wildcat Canyon.; 0 884 Comment
  UCR223809  Bromus tectorum R. G. Swinney 2009-6-17 11165 Los Angeles Transverse Range; San Gabriel Mtns., Ball Flat, 2.6 miles NW (312 deg. ) of Big Pines 1890 Comment
  UCR259559  Bromus tectorum R. G. Swinney 2010-9-7 13692 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  UCR50998  Bromus tectorum A. C. Sanders, E. J. Lawlor 1988-4-3 7745 Los Angeles Tehachapi Mountains, southwest end of the Tehachapi Mtns, l mi northwest of Gorman on a gasline rd, 0.4 mi above old highway 1284 Comment
  CATA3479  Caesalpinia spinosa Michael Thomas, Benjamin Dion 2017-12-5 006 Los Angeles Santa Catalina Island: Interior; roadside, 20m south of Rancho Escondido Road in Lower Cottonwood Canyon watershed 106 Comment
  CAS-BOT-BC233955  Calandrinia breweri John Thomas Howell 1928-3-4 3384 Los Angeles Santa Monica Mts., ne. of Pacific Palisades Comment
  IRVC26341  Calandrinia ciliata A. C. Sanders 2003-4-16 26022 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
  SBBG121995  California macrophylla A. Parikh, N. Gale 2005-4-11 762 Los Angeles Liberty Cyn, 0.6 km N of intersection of Hwy 101 and Liberty Cyn Rd, Agoura Hills 267 Comment
  NY465059  Callitriche marginata H. E. Hasse 1890-3-18 4795 Los Angeles Near Santa Monica Comment
  CAS-BOT-BC80328  Callitropsis Marian L. Campbell 1921-3-11 s.n. Los Angeles Pasadena Comment
  CAS-BOT-BC80413  Calocedrus decurrens J. H. Thomas 1957-3-7 6494 Los Angeles San Gabriel Mts., about 1 mile beyond Charlton Flat; about 13 miles NE of Pasadena 1493 Comment
  RSA0062625  Calocedrus decurrens R. G. Swinney 2010-9-9 13761 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1994 Comment
  RSA733392  Calocedrus decurrens R. G. Swinney 2001-6-2 7966 Los Angeles Mojave Desert: Juniper Hills area, Cruthers Creek 1.1 mi. south of Devils Punchbowl Rd. 1311 Comment
  RSA377294  Calochortus catalinae E. Crow 1929-3-17 1925 Los Angeles Hills 2 miles east of Glendora. Comment
  RSA716545  Calochortus catalinae Andrea Edwards, Pam De Vries, David Hughes 2006-4-18 120 Los Angeles Calabasas USGS quad; in Dayton Canyon within preserved open space area. 366 Comment
  UC1293676  Calochortus catalinae P. C. Everett and E. K. Balls 1959-6-2 23828 Los Angeles 1 mi ne Stokes Canyon entrance; Santa Monica Mts. 228 Comment
  UCR48037  Calochortus catalinae Kathy Harper 1987-5-2 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Hwy, between Las Virgenes Valley Overlook [34 deg. 06' 07'N, 118 deg. 41' 37'W) and Yerba Buena Rd.; at Yerba Buena Road Comment
  UCR205833  Calochortus palmeri var. palmeri R. G. Swinney 2008-5-8 8798 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
  RSA584768  Calochortus plummerae Timothy S. Ross 1992-7-17 6737 Los Angeles San Gabriel Mountains: Saddle between Fox (triangulation point, 5033-ft) and knoll ESE of it, on steep divide between Fox Creek and Fusier Canyon. 1451 Comment
  UCD85260  Calochortus plummerae Christopher Michael Bronny 2010-6-8 26 Los Angeles Los Angeles County; southern portion of LaVerne Fuelbreak; San Gabriel Mountains. Comment
  POM246474  Calochortus splendens F. R. Fosberg 1931-5-7 S- 4844 Los Angeles Sweetwater Canyon, Santa Catalina Island. 160 Comment
  RSA670688  Calochortus venustus Bonnie C. Templeton 1947-5-21 6277 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  UCR120891  Calochortus venustus L. C. Wheeler 1967-5-18 9656 Los Angeles Western Transverse Range; San Gabriel Mountains, Divide between Reynier and Placerita Canyon 610 Comment
  RSA736121  Calochortus weedii var. intermedius Scott D. White, Justin M. Wood 2008-6-4 12049 Los Angeles SE of Rose Hills Memorial Park, adjacent to agricultural land. SCE corridor, site of proposed tower 25. 335 Comment
  SBBG66301  Calycoseris parryi R. Hoffmann 1932-4-26 Los Angeles Harold Comment
  CAS-BOT-BC221401  Calystegia longipes A. D. E. Elmer 1902-6-1 3603 Los Angeles Aston, Mt. Gleason Comment
  UCR86823  Calystegia macrostegia Scott D. White 1995-4-27 2970 Los Angeles Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon. Road, SW of Malibu Civic Center Way 92 Comment
  SBBG107221  Calystegia macrostegia subsp. amplissima J. Rebman, J. Dunn 1996-4-29 3114 Los Angeles Eel Cove and Eel Cove Cyn 50 Comment
  UC284284  Calystegia macrostegia subsp. amplissima P. A. Munz 1923-4-8 6622 Los Angeles w coast San Clemente Island (small canyon); w coast San Clemente Island Comment
  POM296760  Calystegia macrostegia subsp. arida Lyman Benson 1945-5-11 11696 Los Angeles Canyon below Johnson's Pasture, Claremont. 549 Comment
  LA105361  Calystegia macrostegia subsp. intermedia Barry A. Prigge; 1989-4-23 8457 Los Angeles Santa Susana Mountains, Devil Canyon: 1.4 air mi. NW of junction of Simi Valley Frwy and Topanga Canyon Blvd 518 Comment
  POM147454  Calystegia macrostegia subsp. intermedia Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  RSA394903  Calystegia macrostegia subsp. intermedia H. L. Bauer 1932-03 15379 Los Angeles Mouth of Topango [Topanga] Canyon. Comment
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May 29 2014
  RSA597001  Calystegia occidentalis subsp. fulcrata T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3825 Los Angeles Easterly and southeasterly slopes to the SW of Crystal Lake. 1726 Comment
  RSA602314  Calystegia occidentalis subsp. fulcrata Steve Boyd, Lauren Raz 1997-6-17 9947 Los Angeles Liebre Mountains region: Little Burnt Peak, at the divide between the head of Fish and Burnt canyons, north of Burnt Peak and southeast of Sawmill Mountain summit. 1597 Comment
  RSA729311  Calystegia occidentalis subsp. fulcrata R. G. Swinney 1998-7-2 6219 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  RSA733158  Calystegia occidentalis subsp. fulcrata R. G. Swinney 1997-6-13 5593 Los Angeles San Gabriel Mtns: ridge NE of Table Mountain (pk. 7473'), ca. 0.4 mi. W of San Bernardino Co. line. 2195 Comment
  UCR271059  Calystegia occidentalis subsp. fulcrata R. G. Swinney 2011-6-6 15006 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  RSA777896  Calystegia soldanella Anstruther Davidson 1892-08 s.n. Los Angeles Long Beach Comment
  RSA570035  Camissonia bistorta Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4891 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity. 492 Comment
  RSA599487  Camissonia bistorta Steve Boyd, Lauren Raz 1997-3-25 9312 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
  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
  RSA465686  Camissonia bistorta T. S. Clare 1929-2-25 s.n. Los Angeles Santa Monica, roadside Comment
  UCR149883  Camissonia boothii R. G. Swinney 1999-6-18 7328 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  RSA612104  Camissonia boothii subsp. desertorum Steve Boyd, Kent Hughes 1998-5-5 10185 Los Angeles Antelope Valley, along Highway 138 (West Avenue D), west of the junction with Highway 14, at intersection with 140th Street, ca. 4 miles southwest of Rosamond Dry Lake. 701 Comment
  UCR108653  Camissonia californica L. C. Wheeler 1967-5-18 9615 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  RSA466147  Camissonia californica N. C. Cooper 1948-4-21 2721 Los Angeles Saugus. 762 Comment
  UCD103369  Camissonia campestris Daryl Koutnik; Vickie Dawes 1978-4-6 290 Los Angeles State Highway 18 just E of Valermo turnoff. 944 Comment
  RSA454716  Camissonia campestris subsp. campestris H. Wells 1968-3-30 13 Los Angeles Mojave Desert, 3.1 miles N of junction of Palmdale Blvd and State Highway 14, on Highway 14, West 1.4 miles junction of State Highway 14 and side road, on side road. Comment
  RSA454726  Camissonia campestris subsp. campestris Robert Gustafson 1978-6-1 956 Los Angeles 0.5 mile E off main dirt road running through Hungry Valley, on summit of hills overlooking upper Freeman Canyon, ca 1 mile S of Gorman. 1311 Comment
  POM3350  Camissonia cheiranthifolia subsp. suffruticosa D. L. Crawford, Hiatt 1916-3-29 s.n. Los Angeles Along beach, Santa Monica Comment
  RSA252929  Camissonia claviformis subsp. claviformis Robert F. Thorne, Gary D. Wallace 1973-4-24 43434 Los Angeles Ft. Tejon Road near junction with Longview Road, c. 3 mi S of Pearblossom Road 1067 Comment
  UCR206259  Camissonia confusa R. G. Swinney 2008-6-10 8993 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, north base of peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1732 Comment
  UCR185599  Camissonia graciliflora A. C. Sanders 2007-4-25 33584 Los Angeles Tehachapi Mtns., Oso Canyon, 0.75 mi. SE of the Kern Co. line along Oso Cyn. Rd. 1143 Comment
  RSA755927  Camissonia graciliflora Orlando Mistretta, Christine Mistretta 2008-4-10 2410 a Los Angeles Ritter Ridge, SW of Quartz Hill. Along SCE transmission lines just S. of California Aqueduct. (Segment 5, structure 17 per TRTP survey - 2008) 919 Comment
  UCR58281  Camissonia hirtella Dolores A. Davidson 1976-6-3 169 Los Angeles Graphite Canyon in Angeles National Forest; road to Lake Hughes from Lake Cataic 762 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
  RSA0126887  Camissonia pallida Richard G. Swinney 2014-5-1 16320 Los Angeles San Gabriel Mountains/Mojave Desert: East of Valyermo, east end of Holcomb Ridge, 2.2 road miles east of jct. of Bob's Gap Rd. and Panorama Rd., from base of ridge at Panorama Rd. to high point at 4519 ft. 1341 Comment
  UCR216560  Camissonia robusta Dan S. Cooper 2010-6-13 610- 68 Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Forest Lawn Drive west of Griffith Park 155 Comment
  UCR270947  Camissoniopsis R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14326 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg. ) NNW of the trailhead 451 Comment
  UCSB33972  Camissoniopsis bistorta Swanson, D. 1978-4-30 Los Angeles Shields Canyon 7 mi. north of Glendale in San Gabriel Mtns 609 Comment
  LA30316  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Mary V. Hood; 1945-9-29 45- 133 k* Los Angeles Playa del Rey 1 Comment
  SEINET5344153  Camissoniopsis cheiranthifolia subsp. suffruticosa M. Walker 1963-4-28 s.n. Los Angeles La Ballona Creek 3 Comment
  RSA0094548  Camissoniopsis confusa Richard G. Swinney 2011-6-6 15002 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  SD90499  Camissoniopsis guadalupensis subsp. clementina Robert F. Thorne 1973-4-11 42878 Los Angeles San Clemente Island; dunes near Flasher, northwest part of island. 3 Comment
  UC20468  Camissoniopsis hirtella J. H. Barber 1897-6-29 221 Los Angeles Bear Canyon Acton Comment
  UC56473  Camissoniopsis pallida subsp. pallida H. M. Hall April, 1902 3052 Los Angeles Antelope Valley Comment
  SBBG130579  Capsella bursa-pastoris S. A. Junak 2000-3-31 SCa 1144 Los Angeles above W side of Hamilton Cove, just NW of E Peak Overlook, along fenceline 402 Comment
  UC10415  Cardamine californica J. H. Barber 1897-3-21 80 Los Angeles Sepulveda Canyon Sepulveda Canyon (Southern California) Comment
  RSA0116196  Cardamine californica Steven A. Junak 2000-4-1 SCa- 1163 Los Angeles Santa Catalina Island. On E side of 4th of July Cove, along main road, N facing slope. 61 Comment
  POM156368  Cardionema ramosissimum L. R. Abrams 1902-6-11 2517 Los Angeles Playa del Rey. Comment
  RSA0069438  Carduus pycnocephalus R. G. Swinney 2010-6-8 13206 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  UCR189416  Carduus pycnocephalus R. G. Swinney 1998-5-30 6164 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  UC1584732  Carduus pycnocephalus subsp. pycnocephalus Tim Ross and Annette Ross 1991-6-3 5513 Los Angeles w Pomona (Elephant Hill); Elephant Hill Comment
  SD31305  Carex . Ritter 1931-3-29 2022 Los Angeles Near Pasadena Comment
  RSA0091512  Carex alma R. G. Swinney 2011-6-29 15358 Los Angeles Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  RSA577699  Carex alma L. C. Wheeler 1933-5-13 1728 Los Angeles Cobal Canyon 487 Comment
  UC822618  Carex alma C. B. Clokey, I. W. Clokey and B. C. Templeton 1930-5-13 Los Angeles Bouquet Canyon 450 Comment
  RSA587980  Carex alma Orlando Mistretta, Timothy S. Ross 1994-6-1 1292 Los Angeles San Gabriel Mountains, Santiago Canyon. Pacifico Mountain, near top of Santiago Canyon. 1929 Comment
  RSA596222  Carex alma Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3399 Los Angeles San Gabriel Mountains, Little Rock Creek: on SW side of Little Rock Creek reservoir 997 Comment
  CAS-BOT-BC21306  Carex fracta John Thomas Howell 1947-7-18 23424 Los Angeles San Gabriel Mountains. Big Pines. 2103 Comment
  RSA0025150  Carex fracta Jane Tirrell 2012-6-11 LS 0062 Los Angeles Lily Spring; north-facing forested slope near spring pproximtely 0.25 miles northwest of Mt Hawkins 2455 Comment
  UCR202729  Carex fracta R. G. Swinney, Cody Clarke 2001-8-22 8074 Los Angeles San Gabriel Mtns., 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2305 Comment
  POM122313  Carex hassei Marcus E. Jones 1926-7-8 s.n. Los Angeles San Antonio Peak. Comment
  UCR225165  Carex inversa Steve Boyd 2005-7-27 11635 Los Angeles Coastal Plains & Basins; Los Angeles Basin region, Pasadena, southeastern side of campus of California Institute of Technology, just west of front entrance to the Athenaeum (Faculty Club) 247 Comment
  CAS-BOT-BC32082  Carex multicaulis George B. Grant 1906-6-17 138 Los Angeles Summit Mt. Wilson 1828 Comment
  SD215319  Carex multicaulis Timothy S Ross, Steve Boyd et al 1990-6-25 3781 Los Angeles San Gabriel Mountains: Natural depression South-southwest of Crystal Lake. 1691 Comment
  POM156656  Carex praegracilis Le Roy Abrams 1903-4-10 3239 Los Angeles Ballona marshes near Mesmer Comment
  UCR162295  Carex praegracilis Anuja Parikh, Nathan Gale 2004-6-22 2065 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
  RSA88867  Carex praegracilis F. W. Peirson 1932-4-17 9860 Los Angeles Below Lovejoy Dam, Lovejoy Buttes, southwestern Mojave Desert. 762 Comment
  RSA598366  Carex schottii L. C. Wheeler 1967-5-24 9755 Los Angeles San Gabriel Mountains. Indian Canyon, near mouth. 701 Comment
  RSA0045421  Carex senta Wendy Boes, Andrew Wheeler 2009-7-13 2009 -040 Los Angeles San Gabriel Mountains; Crystal Lake Recreation Area, Big Cienega Springs Forest Service RD 3N07.2. 1981 Comment
  RSA653904  Carex spissa Valerie Soza, Shalini Deo, Stephen Dreher 2000-4-27 814 Los Angeles Verdugo Mountains, south side: Wildwood Canyon, Wildwood Canyon Park, at end of paved Wildwood Canyon Road at junction with fire road. 548 Comment
  UCR278358  Carex spissa Peter F. Zika, Nick Otting 2010-8-7 25306 Los Angeles South Coast, base of San Gabriel Canyon, east side of Route 39 250 Comment
  POM11606  Carex subfusca Phillip A. Munz 1921-6-16 4637 Los Angeles head of Swartout Valley 2073 Comment
  JEPS48987  Carex subfusca Joseph Ewan 1932-6-15 7342 Los Angeles Horse Flats San Gabriel Mts., Pinyon Flat region, Horse Flats Comment
  POM21286  Carex tumulicola Phillip A. Munz 1923-4-10 6737 Los Angeles San Clemente Island: canyon bottom on west coast. Comment
  POM246795  Carpobrotus edulis F. R. Fosberg 1931-4-29 4732 Los Angeles Santa Catalina Island, 1.5 miles below Eagle s Nest, Middle Ranch Canyon 100 Comment
  CATA1964  Castilleja affinis F. R. Fosberg 1931-3-25 4362 Los Angeles Santa Catalina Island: Hamilton Canyon 10 Comment
  UC1409127  Castilleja affinis subsp. affinis Robert F. Thorne 1970-3-5 39350 Los Angeles ne slope Blackjack mt. (upper end of Swain's Canyon); Santa Catalina Island, Swain's Canyon 396 Comment
  UC26487  Castilleja affinis subsp. affinis Harley P. Chandler 1897-1-1 Los Angeles Fulkerson's Ranch Claremont 731 Comment
  RSA448673  Castilleja applegatei subsp. martinii Francis W. Pennell 1940-6-24 s.n. Los Angeles Pine Mountain, S of Swartout [Swarthout]. 2439 Comment
  UCR153320  Castilleja exserta A. C. Sanders, T. B. Salvato 2005-4-26 29738 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, bowl between ridges at NE end of Cruzan Mesa, just south of Vasquez Canyon Road 595 Comment
  POM147409  Castilleja exserta subsp. exserta Thos. Craig 1927-6-19 476 Los Angeles Between Acton and Ravenna. Comment
  RSA0044700  Castilleja foliolosa Valerie L. Soza, Steve D. Boyd, Leland Lubinsky 2000-6-29 1044 Los Angeles Liebre Mountains: Junction of Old Ridge Route (FS Road 8N04) and road to summit of Liebre Mountain (FS Road 7N23). 1189 Comment
  RSA400537  Castilleja foliolosa F. R. Fosberg 1931-4-7 S- 4499 Los Angeles Hamilton Beach, Santa Catalina Island. 10 Comment
  RSA681187  Castilleja foliolosa Michael Honer, Dylan Hannon 2003-7-1 s.n. Los Angeles Liebre Mts: Tapia Canyon area, ca. 2 - 3 air miles west of I-5 Freeway junction with Ridge Rt. Rd. 396 Comment
  UCR82248  Castilleja foliolosa J. M. Stewart 1994-4-11 824 Los Angeles Western Mojave Desert, Antelope Valley, Munz Canyon Road, near Elizabeth Lake 1098 Comment
  RSA149760  Castilleja miniata Wesley O. Griesel 1961-7-26 s.n. Los Angeles Snow Valley. 2043 Comment
  UC57004  Castilleja minor subsp. spiralis Ernest Braunton 1902-5-10 271 Los Angeles Rivera Comment
  SD87878  Castilleja plagiotoma Frank W. Peirson 1921-7-3 2727 Los Angeles Blue Ridge, San Gabriel Mts., summit of ridge 2286 Comment
  UCR94444  Castilleja plagiotoma R. G. Swinney 1996-5-27 4747 Los Angeles Eastern San Gabriel Mtns., NW of Wrightwood, c. 200 m north of Hwy. 2 at Mountain High Ski Resort, east runway 2088 Comment
  RSA0115479  Caulanthus amplexicaulis A. C. Sanders, T. B. Salvato, Mitch Provance, Aaron Keller 2007-4-12 33382 B Los Angeles Western Antelope Valley: Neenach, south of Hwy 138 at end of 290th St. West, toe of hills between Horse Camp and Cow Spring canyons and into mouth of Cow Spring Canyon. 945 Comment
  RSA66708  Caulanthus amplexicaulis var. amplexicaulis F. W. Peirson 1926-4-27 6672 Los Angeles Rock Creek, north slope of San Gabriel Range 1372 Comment
  CAS-BOT-BC38470  Caulanthus coulteri Robert F. Hoover 1938-4-16 3118 Los Angeles Near Bailey's, upper Antelope Valley. Comment
  RSA599804  Caulanthus coulteri Steve Boyd, Lauren Raz 1997-3-25 9296 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
  JEPS27002  Caulanthus heterophyllus Frank W. Peirson 1919-3-30 63 a Los Angeles Tujunga Canyon San Gabriel Mountains, Tujunga Canyon 426 Comment
  SFV22146  Caulanthus heterophyllus V. Soza, E. Edwards, L. Gross, B. O'Brien 2000-4-25 771 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mountainway. Alongside trail along south-southwest-facing slope. 518 Comment
  SBBG70229  Caulanthus lasiophyllus R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  CAS-BOT-BC47909  Ceanothus arboreus Knopf; Johnson 1930-1-30 11214 Los Angeles Catalina Island Comment
  RSA3546  Ceanothus arboreus Carl B. Wolf 1932-5-9 3490 Los Angeles Along the road to Renton Mine, about due west of Pebbly Beach, Santa Catalina Island. 305 Comment
  RSA399156  Ceanothus arboreus Albert J. Perkins 1919-4-20 s.n. Los Angeles Catalina Island, road to summit. Comment
  CAS-BOT-BC48736  Ceanothus crassifolius Brandegee 1889-5-1 83 Los Angeles Newhall Comment
  RSA501312  Ceanothus crassifolius S. Zona, D. Ham 1989-4-1 307 Los Angeles Tapia County Park, Shaded north facing slope beyond picnic area. 180 Comment
  SDSU10251  Ceanothus crassifolius Lorenzo Cook 1932-3-1 Los Angeles Arroyo Seco Canyon. Comment
  UC870519  Ceanothus crassifolius Marcus E. Jones 1882-2-25 3022 Los Angeles 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
  UC870606  Ceanothus cuneatus var. cuneatus I. W. Clokey and B. C. Templeton 1930-4-8 4698 Los Angeles San Francisquito Canyon 800 Comment
  UCR168291  Ceanothus insularis F. R. Fosberg 1931-5-6 S- 4826 Los Angeles Channel Islands, Cape Canyon, Santa Catalina Island 280 Comment
  RSA0092486  Ceanothus integerrimus var. macrothyrsus R. G. Swinney 2011-5-31 14936 Los Angeles San Gabriel Moutnains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo campground and confluence with Mill Creek. 1096 Comment
  RSA0098610  Ceanothus leucodermis R. G. Swinney 2011-6-14 15107 Los Angeles San Gabriel Mountains: Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  RSA279055  Ceanothus leucodermis Robert F. Thorne 1971-4-23 41463 Los Angeles San Gabriel Mountains, Angeles National Forest: Chantry Flats, along trail to Santa Anita Canyon. 610 Comment
  RSA651857  Ceanothus leucodermis Dolores Perez 1981-5-3 35 Los Angeles Calif. Hwy 39, Crystal Lake Recreation Area. Roadside of lake bank. Comment
  JEPS98621  Ceanothus megacarpus Dean Kelch 1993-6-1 Los Angeles Glendale Hills Glendale 120 Comment
  RSA0043348  Ceanothus megacarpus Ron Martinolich 1991-5-14 72 Los Angeles Los Angeles, Mulholland Drive, 0.4 mi. west of intersection with Encino Hills Dr. Comment
  RSA198830  Ceanothus megacarpus var. insularis Robert F. Thorne, D. Propst 1968-5-28 37673 Los Angeles Santa Catalina Island. Lower slope of Wild Boar Gully, due N of Black Ridge and ca. 1 mi. WNW of Salta Verde Pt. 198 Comment
  SBBG17880  Ceanothus megacarpus var. insularis P. H. Raven 1962-5-9 17704 Los Angeles just N of Gray 396 Comment
  UC1302265  Ceanothus megacarpus var. insularis Robert F. Thorne and P. C. Everett 1964-2-6 33434 Los Angeles Santa Catalina Island, central part. 457 Comment
  UC398774  Ceanothus megacarpus var. insularis Katharine Brandegee 1916-1 Los Angeles Santa Catalina Island Comment
  LA103272  Ceanothus oliganthus Jonathan Sauer; E. R. Hobbs 1979-4-14 6061 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak, Topanga look-out near peak. 609 Comment
  RSA0091477  Ceanothus oliganthus var. oliganthus R. G. Swinney 2011-3-22 14179 Los Angeles mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 509 Comment
  RSA602342  Ceanothus oliganthus var. oliganthus Scott D. White 1997-5-8 5089 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir. 365 Comment
  SBBG17294  Ceanothus oliganthus var. oliganthus K. A. Wilson 1961-2-18 859 Los Angeles Mulholland Hwy, 2 mi W of Seminole Hot Springs Comment
  RSA398934A  Ceanothus spinosus Davidson 1890-04 s.n. Los Angeles [Unspecified] Comment
  UCR191269  Ceanothus vestitus R. G. Swinney 1998-7-2 6207 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  RSA0107273  Centaurea cyanus R. G. Swinney 2011-6-30 15374 Los Angeles San Gabriel Mountains: 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon. 1085 Comment
  RSA0082898  Centaurea melitensis R. G. Swinney 2010-5-7 12585 Los Angeles Lake View Terrace, Oliver Canyon, 0.85 air miles north of I-210 Fwy., c. 100 meters east of cyn. bottom along private dirt service rd. 463 Comment
  RSA656868  Centaurea melitensis Joseph M. Keefe 2001-1-24 31011 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  SBBG118760  Centaurea melitensis J. T. Rothrock -Jun-1875 39 Los Angeles Los Angeles Comment
  JEPS44129  Centaurea melitensis Elizabeth Day Palmer 1908-7-25 Los Angeles Comment
  POM351503  Centaurea melitensis Robert Gustafson 1980-7-9 1800 Los Angeles Ballona Wetlands, Area 3. Comment
  POM351518  Centaurea repens Robert Gustafson 1980-7-9 1804 Los Angeles Ballona Wetlands, Area 3. Comment
  SBBG31088  Centaurea solstitialis R. F. Thorne 1966-9-14 36624 Los Angeles Middle Ranch, Middle Ranch Cyn 213 Comment
  UCR190245  Centranthus ruber R. G. Swinney 2000-5-25 7786 Los Angeles San Gabriel Mtns., Azusa, 0.3 mi. east of San Gabriel Canyon Information Station on Hwy 39 at mouth of canyon 244 Comment
Read comments
Oct 29 2010
  RSA601436  Centrostegia thurberi D. D. Keck, Palmer Stockwell 1935-5-16 3306 Los Angeles 1.5 mi. S of Palmdale. Comment
  RSA679870  Centrostegia thurberi LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 871 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway. 1143 Comment
  UCSB1369  Centrostegia thurberi Ralph, F. 1960-4-1 Los Angeles on N side of Calif HWY 138, 9.0 miles E of its jct with the road to Valyermo & Big Pines E of Pearblossom and 0.6 miles W of jct of the road to Victorville. Mohave Desert Comment
  SFV1245  Cerastium fontanum M. L. Vincent 1960-5-2 66 Los Angeles Santa Monica. In lawn at 502 25th Street. 92 Comment
  RSA533461  Cerastium glomeratum Timothy S. Ross 1991-4-21 4511 Los Angeles Whittier Hills (Puente Hills, pro parte), ridgetop between Turnbull and Sycamore Canyons. 320 Comment
  POM275797  Cercocarpus betuloides Floyd L. Martin 1948-8-3 361 Los Angeles 100 yds. N. of Foothill Blvd. road to Camp Baldy, east of Claremont. 366 Comment
  RSA0015970  Cercocarpus betuloides Steve D. Boyd, Valentin Arvizu, R. E. Riefner 2006-9-21 11693 Los Angeles Side drainage of La Tuna Creek just west of La Tuna Canyon Road offramp from 210 Freeway, adjacent to parking area for Santa Monica Mountains Conservancy reserve lands. Comment
  UCR223651  Cercocarpus betuloides R. G. Swinney 2009-6-24 11267 Los Angeles Transverse Range; San Gabriel Mtns., summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1926 Comment
  CAS-BOT-BC142143  Cercocarpus betuloides var. betuloides John Thomas Howell 1928-3-2 3366 Los Angeles Vermont Canyon, Griffith Park Comment
  CAS-BOT-BC142149  Cercocarpus betuloides var. betuloides Roxana S. Ferris 1941-3-10 10325 Los Angeles First tributary in Pico Canyon - Santa Susana Mountains, near U.S. Highway #99 411 Comment
  CHSC98608  Cercocarpus betuloides var. betuloides LeRoy Gross; Laura Moore 2000-6-5 226 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy land. Sunny south slope, on trail up out of canyon. 579 Comment
  RSA453273  Cercocarpus betuloides var. betuloides Anstruther Davidson 1918-8-1 3078 Los Angeles Camp Baldy. Comment
  UCR212756  Cercocarpus betuloides var. betuloides Ellen Mackey, Blake Whittington 2006-10-11 NFWF- 1786 Los Angeles Transverse Ranges; San Gabriel Mountains region, San Gabriel River Watershed, [San Dimas Canyon] overlooking [San Dimas] Reservoir 463 Comment
  LA88756  Cercocarpus betuloides var. blancheae Karen Searcy; 1967-1-28 34 Los Angeles Santa Catalina Island, Santa Catalina Island, near summit of E Mountain Comment
  POM49469  Cercocarpus betuloides var. blancheae L. W. Nuttall 1920-5-17 s.n. Los Angeles Hamilton Canyon, Santa Catalina Island. Comment
  RSA177026  Cercocarpus betuloides var. blancheae Carl B. Wolf 1932-10-4 4222 Los Angeles Santa Catalina Island. West slope above road in back of St. Catherine Hotel, Avalon. 23 Comment
  RSA449416  Cercocarpus betuloides var. blancheae Freda Detmers 1929-4-14 s.n. Los Angeles Descanso Canyon, Santa Catalina Island. Comment
  CAS-BOT-BC279445  Chaenactis S. B. P. 1887-6-1 1934 Los Angeles Gormans Station, near Tejon Pass Comment
  LA31657  Chaenactis artemisiifolia Henry J. Thompson; 1959-5-31 2049 Los Angeles Santa Monica Mountains, Decker Road 0.7 mi. S of Ventura-Los Angeles county line 426 Comment
  LA88339  Chaenactis artemisiifolia O. H. Kappler; 1941-6-15 303 Los Angeles 548 Comment
  RSA0057924  Chaenactis artemisiifolia Richard G. Swinney 2010-6-23 13339 Los Angeles San Gabriel Mountains/Verdugo Mountains: Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace. 335 Comment
  RSA17167  Chaenactis artemisiifolia Percy C. Everett 1935-12-28 2524 Los Angeles Seminole Hot Springs Comment
  RSA517857  Chaenactis fremontii Steve Boyd 1986-3-30 1509 Los Angeles Mojave Desert: Highway 18, 0.5 miles east of junction with Hwy 138, NE of Pinyon Hills. Comment
  SD197671  Chaenactis glabriuscula R. G. Swinney 2008-3-26 8566 Los Angeles San Gabriel Mountains: San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Canyon. 353 Comment
  UC63010  Chaenactis glabriuscula var. glabriuscula H. M. Hall May 1 1902-May 3 1902 3047 Los Angeles vicinity of Elizabeth Lake; Antelope Valley 792 Comment
  UCR194748  Chaenactis glabriuscula var. glabriuscula Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 734 Los Angeles Transverse Ranges; Verdugo Mountains, Verdugo Mountains, south side, above Burbank. Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Motorway 427 Comment
  CAS-BOT-BC277361  Chaenactis glabriuscula var. glabriuscula Barbara T. Keller 1974-4-28 1207 Los Angeles 3/4 mile northwest of Cajon along Highway 138 944 Comment
  RSA588917  Chaenactis glabriuscula var. glabriuscula Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-8 2954 Los Angeles Upper Big Tujunga Canyon: ridge and slopes descending +/-ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats). 1250 Comment
  POM6337  Chaenactis glabriuscula var. lanosa R. D. Williams 1902-5-1 124 Los Angeles Claremont. Comment
  POM351802  Chaenactis santolinoides F. R. Fosberg 1931-8-12 S 5459 Los Angeles Summit Mt. Islip, San Gabriel Mountains. 2500 Comment
  SBBG33331  Chaenactis santolinoides A. D. E. Elmer -Jun-1902 3802 Los Angeles Acton Comment
  RSA252919  Chaenactis stevioides R. F. Thorne, C. W. Tilforth 1973-4-20 43045 Los Angeles San Gabriel Mts., Mojave Desert slopes: 3.2 miles S of Hwy 138 along Grandview Canyon Rd. 1280 Comment
  RSA94402  Chaenactis stevioides F. W. Peirson 1923-5-25 3522 Los Angeles along stream on south side of canyon of Rock Creek, San Gabriel Mountains. 1296 Comment
  UCR220252  Chaenactis xantiana R. G. Swinney 2009-4-28 10512 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  UCR276812  Chaenactis xantiana R. G. Swinney 2010-5-21 12890 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  RSA512066  Chamaesyce maculata L. C. Wheeler 1966-9-21 8895 Los Angeles N. fk San Gabriel River 1/4 mi. down hill from intersection of main road with road to upper Bichota Canyon 610 Comment
  RSA526481  Chamaesyce melanadenia T. S. Ross 1991-3-24 4321 Los Angeles Whittier Hills (Puente Hills, pro parte). 293 Comment
  LA105574  Chamaesyce polycarpa var. polycarpa Barry A. Prigge; 1989-5-10 8718 Los Angeles SANTA MONICA MOUNTAINS, Point Dume, above Dume Cove. 30 Comment
  RSA432471B  Chamaesyce serpillifolia E. S. Spalding 1922-10 s.n. Los Angeles Los Angeles. Comment
  RSA0011375  Cheilanthes covillei Orlando Mistretta, Kristie Haydu 2011-7-19 5952 Los Angeles Kentucky Springs Cyn. Along Southern California Edison transmission line corridor, 0.5 air miles W of Angeles Forest Hwy, 0.3 air miles N of Angeles National Forest Boundary. 1081 Comment
  RSA512038  Cheilanthes covillei L. C. Wheeler 1967-5-23 9709 Los Angeles At mouth of Bear Canyon, off Soledad Canyon. 579 Comment
  RSA230198  Cheilanthes covillei R. F. Thorne 1969-7-2 38238 Los Angeles San Gabriel Mountains, Angeles National Forest: Charlton Flat burn (of 1954) 1601 Comment
  RSA586981  Cheilanthes covillei Orlando Mistretta 1992-5-8 315 Los Angeles San Gabriel Mountains: Little Rock Creek, slopes E of Little Rock Creek Reservoir. 1159 Comment
  RSA423286  Chenopodium album Gertrude Dunn 1930-8-16 s.n. Los Angeles San Gabriel Canyon Comment
  UCD97768  Chenopodium album John Thomas Howell 1950-11-9 27479 Los Angeles Devil's Gate Dam, Pasadino. Comment
  RSA0058196  Chenopodium berlandieri Richard G. Swinney 2010-6-23 13356 Los Angeles San Gabriel Mountains/Verdugo Mountains: Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace. 335 Comment
  RSA594194  Chenopodium berlandieri Steve Boyd, Lauren Raz 1996-10-14 9052 Los Angeles Liebre Mountains region, Agua Dulce Canyon, just north of Highway 14 and the confluence with Escondido Canyon, along Agua Dulce Canyon Road. 671 Comment
  RSA670928  Chenopodium berlandieri Joseph M. Keefe 2001-3-13 31085 Los Angeles East side of Tipton Terrace, 0.2 miles south of Buena Vista Terrace. Highland Park District, 1.5 miles southwest of The Eagle Rock. 90042. 256 Comment
  UCR126574  Chenopodium berlandieri A. C. Sanders 2003-4-16 26031 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, under powerlines south of Magic Mountain Parkway, near I-5 and new golf course 366 Comment
  UCR160809  Chenopodium berlandieri David Charlton 1989-6-10 3229 Los Angeles Tehachapi Mtns., Frazier Mtn. Rd., Lockwood Valley, Los Padres National Forest 2134 Comment
  RSA0021703  Chenopodium botrys Duncan S. Bell, Caitlin Elam 2013-6-24 5266 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, below Airplane Flat, behind the Bridge To Nowhere. 870 Comment
  RSA0042042  Chenopodium californicum R. G. Swinney 2010-3-10 11831 Los Angeles 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. 442 Comment
  SBBG110449  Chenopodium californicum S. A. Junak 1997-10-20 SCl 967 Los Angeles coastal slopes just S of southernmost cyn in Bryce Cyn complex 54 Comment
  RSA478526  Chenopodium multifidum E. S. Spalding 1931-7-31 s.n. Los Angeles Near Manhattan Beach, roadside in back country. Comment
  RSA627726  Chenopodium multifidum Steven A. Junak 1996-9-28 SC- 671 Los Angeles E edge of central portion of mesa, in parking area at Stone Field Station. 457 Comment
  RSA599239  Chenopodium murale L. C. Wheeler 1968-3-21 s.n. Los Angeles Foothills; West Debris Basin above Brown School for Girls. Northwest of Glendora. 426 Comment
  RSA0038319  Chenopodium murale David Charlton 1991-7-30 5540 Los Angeles Rancho Santa Clarita, Bouquet Canyon Rd., north of Jct. with Soledad Canyon Rd. 487 Comment
  UC1870242  Chenopodium strictum var. glaucophyllum LeRoy Gross 2001-11-10 455 Los Angeles Los Angeles Basin region; Verdugo Mountains, north side. Off the 210 freeway east bound LaTuna Canyon Road exit opposite this exit is a road that starts out paved. (Hostetter Mountainway) follow this road that parallels the freeway east till a dirt road forks off on the righ ... 457 Comment
  UCR187204  Chorizanthe spinosa A. C. Sanders 2006-4-21 32147 Los Angeles Tehachapi Mtns. Foothills, ephemeral stream c. 1 mile east of Quail Lake, northeast of the intersection of the National Cement Plant Rd. and Hwy 138 1006 Comment
  CAS-BOT-BC244670  Chorizanthe staticoides Alice Eastwood 1919-5-29 8963 Los Angeles San Gabriel Canyon Comment
  RSA488740  Chorizanthe staticoides James L. Reveal 1988-5-24 6869 Los Angeles On a low mesa south of the Los Angeles County Animal Center Number 6 in Castaic near the junction of Charlie Canyon and Tapia Canyon roads on the east side of Castaic Valley. 381 Comment
  SBBG33700  Chorizanthe staticoides V. Soza with S. Boyd 2002-4-10 1396 Los Angeles Del Sur Ridge, E side of Haskell Cyn, along fire rd 6N18 just below Pk 2508 686 Comment
  UCR109145  Chorizanthe staticoides L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains, Oak Spring Canyon 945 Comment
  SBBG118737  Chorizanthe watsonii L. Gross with P. Morton 2004-6-9 1360 Los Angeles W end of the main crest; from S of Pacific Crest Trail along Rd 7N23, to the NW corner of Sec 3 and the W end of Sec 12, W of Bear Gulch Camp 1732 Comment
  RSA579511A  Chorizanthe xanti var. xanti Tim S. Ross, S. D. Boyd 1994-6-23 8066 Los Angeles Sawmill Mountain: N slope ca 330 m SE to 525 m ENE of Sawmill Campground, descending NE along a ridge at the head of west fork Devils Gulch. 1463 Comment
  UCR164533  Chrysothamnus nauseosus T. B. Salvato, Sandra Murcia 2005-11-1 1248 Los Angeles West Mojave Desert, NE edge of Palmdale c. 2 mi N of Pearland, 10 acre parcel east of 46th St., 0.1 mi past Hwy 138 on Palmdale Blvd, and south of Avenue Q 793 Comment
  UCR202719  Chrysothamnus nauseosus R. G. Swinney 2001-8-18 8058 Los Angeles San Gabriel Mtns., Ross Mtn., 2.5 miles south of Mt. Baden Powell on the same ridge 2257 Comment
  POM118186  Chrysothamnus nauseosus subsp. hololeucus H. M. Hall 1917-10-27 10586 Los Angeles 16km W of Lancaster, Antelope Valley Comment
  CAS-BOT-BC162777  Chylismia claviformis subsp. claviformis Louis C. Wheeler 1932-4-10 597 Los Angeles Portal Ridge near Elizabeth Lake 1036 Comment
  UCR223662  Cirsium occidentale R. G. Swinney 2009-6-12 11127 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
  LA36975  Cirsium occidentale var. californicum Peter H. Raven; 1959-5-9 14179 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek, near mouth. 12 Comment
  SBBG95914  Cirsium occidentale var. occidentale M. B. Dunkle 1939-4-3 7227 Los Angeles Chenetti Cyn Comment
  UC625079  Cirsium occidentale var. occidentale F. R. Fosberg 1931-5-14 S 4876 Los Angeles 2 mi above ranch Middle Ranch Canyon; Santa Catalina Island 220 Comment
  UCR206167  Cirsium occidentale var. occidentale A. C. Sanders, T. B. Salvato 2009-5-29 37041 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
  UC127562  Cirsium occidentale var. venustum H. M. Hall 7399 Los Angeles Elizabeth Lake Comment
  UCR859  Cirsium vulgare Shirley Ward 1957-4-20 s.n. Los Angeles San Gabriel Valley, Yard of private residence at 1624 Brighton Ave., Duarte 213 Comment
  RSA515212  Cistanthe monandra Steve Boyd 1986-3-30 1510 Los Angeles Mojave Desert: Highway 18, 0.5 miles east of junction with Hwy 138, NE of Pinyon Hills. Comment
  RSA582791  Cistanthe monandra Timothy S. Ross, Steve Boyd 1993-5-23 7285 Los Angeles Steep, northerly draw draining from saddle between Red Mtn's long E Ridge and a small notched peak (3227-ft), to upper Clearwater Canyon, ca 430-500 m SSW of Plum Spring. 875 Comment
  UC1611557  Cistus salviifolius Tim Ross and Walter Appleby 1993-4-15 6822 Los Angeles Western San Gabriel Mtns: Southerly draw ca 515 m SSW of May Canyon Saddle, draining to Wilson Canyon; disturbed area on N side of Loop Canyon Road. Comment
  CAS-BOT-BC172431  Clarkia bottae Mrs. K. Brandegee; Ernest Braunton 1910-5-1 124 Los Angeles Elysian Park Comment
  UCR191157  Clarkia dudleyana R. G. Swinney, Dave Larson 1999-7-21 7566 Los Angeles San Gabriel Mtns., upper Fern Canyon, San Dimas Experimental Forest, from Fern Dam #1 to 3, NE of Browns Flat 1463 Comment
  SD129441  Clarkia elegans John Adams 1964-5-8 40 Los Angeles Pomona College Wash, Claremont. 334 Comment
  SBBG132121  Clarkia epilobioides S. A. Junak 1996-4-13 SCI 314 Los Angeles S of Bryce Cyn, on toe of ridge on S side of first cyn, 0.35 mi from "Malo" at 155 degrees 243 Comment
  RSA685140  Clarkia purpurea A. C. Sanders 2003-5-26 26844 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel. 171 Comment
  CAS-BOT-BC165518  Clarkia unguiculata Timothy S. Ross; Steve Boyd 1994-5-25 7938 Los Angeles Necktie Basin: Hanging Basin ca 470-830 m W of Warm Springs Mtn summit 1075 Comment
  RSA0088004  Clarkia unguiculata R. G. Swinney 2010-6-21 13280 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  RSA561606  Clarkia unguiculata Steve Boyd, Orlando Mistretta 1993-5-18 8154 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tuhunga Ranger District of the Angeles National Forest. Upper Sombrero Canyon, just below western end of Sombrero Road (3N64). 792 Comment
  RSA660790  Clarkia unguiculata LeRoy Gross, Valerie Soza 2001-6-6 436 Los Angeles Verdugo Mountains, north side; Wildwood Fire Road (now deserted and growing back) off of Verdugo Mountain Way dirt fire road. 488 Comment
  RSA784350  Claytonia exigua Anna Kostikova, Glenn Litsios, Sarah Burgy 2010-6-16 13 Los Angeles road 7N23 turn from road 7N08 Comment
  CAS-BOT-BC439125  Claytonia exigua subsp. exigua Timothy S. Ross; Steve Boyd 1994-5-11 7813 Los Angeles Liebre Mountains. Sawmill Mountain: W summit area ca 260-350 m SE of Sawmill Campground. 1621 Comment
  RSA597992  Claytonia exigua subsp. exigua Steve Boyd, Lauren Raz 1997-3-14 9164 Los Angeles Liebre Mountains, lower north flank of Liebre Mountain, eastern slope of Horse Camp Canyon. 1389 Comment
  RSA0059526  Claytonia gabrielensis subsp. gabrielensis J. M. Miller, Dan Louma 1977-5-10 687 Los Angeles N side of Sawmill Mountain; Lower Shake Creek Campground. 1220 Comment
  RSA0117157  Claytonia parviflora A. C. Sanders, T. B. Salvato, Aaron Keller 2006-3-22 31960 Los Angeles Tehachapi Mtns. Foothills: south side of Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake. 1006 Comment
  SBBG130736  Claytonia parviflora S. A. Junak 2000-4-1 SCa 1162 Los Angeles E side of Cherry Cyn, ca. 0.1 mi from rd to camp, along main rd 67 Comment
  UCR194038  Claytonia parviflora R. G. Swinney 1999-5-22 7203 Los Angeles San Gabriel Mtns./Mojave Desert, Le Montaine Canyon, c. 0.5 mi. south of Camp Jubilee Rd. 1701 Comment
  RSA252709  Claytonia parviflora subsp. utahensis Michael C. Long 1974-4-21 s.n. Los Angeles Devil's Punchbowl Co. Park, Holcomb Canyon. 1311 Comment
  LA33788  Claytonia perfoliata Henry J. Thompson; 1959-4-19 1934 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 274 Comment
  SFV15327  Claytonia perfoliata J. C. Dittes, D. Stolp 1990-3-10 34 Los Angeles San Gabriel Mountains 0.75 miles upstream of Big Tujunga flood control reservoir. 701 Comment
  UCR220370  Claytonia perfoliata R. G. Swinney 2009-4-16 10364 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel Canyon, 0.3 to 0.6 miles NW (upstream) of confluence with San Gabriel River 280 Comment
  CHSC83608  Claytonia perfoliata subsp. mexicana John Dittes 1990-6-7 79 Los Angeles Transverse Range; San Gabriel Mts., Canyon of Big Tujunga Creek; ca. 1.2 air miles northeast of dam. 922 Comment
  RSA482006  Claytonia perfoliata subsp. mexicana Richard Noyes 1988-5-12 567 Los Angeles San Gabriel Mountains: San Antonio Canyon. One mile north of intersection of Mt. Baldy Road and Mountain Avenue 854 Comment
  CAS-BOT-BC439960  Claytonia perfoliata subsp. mexicana Louis C. Wheeler 1933-4-15 1635 Los Angeles Liveoak Canyon, San Gabriel Mts. 487 Comment
  POM792  Claytonia perfoliata subsp. mexicana Caroline S. Weinland s.n. Los Angeles Claremont. 366 Comment
  RSA776788  Claytonia rubra subsp. rubra Orlando Mistretta, Christine Mistretta 2010-5-26 5199 Los Angeles Upper Mill Creek canyon drainage, S of Mill Creek Summit, along Southern California Edison transmission line corridor 1463 Comment
  RSA599601  Clematis lasiantha Steve Boyd, Lauren Raz 1997-3-31 9405 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
  RSA747072  Clematis lasiantha R. G. Swinney 2008-5-30 8890 Los Angeles San Gabriel Canyon at El Encanto, west bank of the river. 256 Comment
  CAS-BOT-BC92641  Clematis ligusticifolia C. F. Baker 1903-8-2 3458 Los Angeles San Antonio Canon [Canyon] near Claremont. Comment
  RSA440828  Cleome isomeris F. R. Fosberg 1931-3-26 S- 4398 Los Angeles Santa Catalina Island. Hamilton Canyon. 5 Comment
  CDA7446  Cnicus benedictus G. K. Helmkamp, E. A. Helmkamp 1998-5-21 4049 Los Angeles Western Mojave Desert; Junction of Munz Ranch Road and Lake Elizabeth Road north of Lake Elizabeth. Comment
  UCR186361  Collinsia bartsiifolia Michael Honer 2007-4-25 2527 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon; grassy slopes c. 1 mile SW of cement processing plant 1159 Comment
  RSA725753  Collinsia heterophylla A. C. Sanders, Mark A. Elvin 2003-5-1 26274 Los Angeles Western San Gabriel Mtns.: NE side of Castaic Mesa, ca 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch. 396 Comment
  SD114403  Collinsia heterophylla Darley F. Howe April 1915 40 Los Angeles Claremont Comment
  RSA0117324  Collinsia parryi Steve D. Boyd, Lauren Raz 1997-4-30 9628 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
  LA33476  Comarostaphylis diversifolia subsp. planifolia Henry J. Thompson; 1959-5-24 2008 Los Angeles Santa Monica Mountains, Tuna Canyon, 1.9 mi N of Pacific Coast Hwy on Tuna Canyon Rd 335 Comment
  RSA394797  Convolvulus arvensis A. G. Goodwin 1940-05 s.n. Los Angeles Compton Comment
  LA32106  Conyza bonariensis Peter H. Raven; Henry J. Thompson 1959-9-18 Los Angeles West Los Angeles, along railroad tracks, Santa Monica Boulevard near Beverly Glen Boulevard 76 Comment
  LA31701  Conyza canadensis Peter H. Raven; Henry J. Thompson 1959-9-27 14506 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon 243 Comment
  POM355967  Coreopsis bigelovii Norman C. Cooper 1945-5-1 2129 Los Angeles Tapia Park area, Santa Monica Mts 610 Comment
  UC604836  Coreopsis californica var. californica Roxana S. Ferris and Ruth P. Rossbach 1938-5-13 9482 Los Angeles 4 mi ne of Lancaster (on the Muroc Road) Comment
  CAS-BOT-BC101022  Coreopsis gigantea Carl B. Wolf 1932-5-14 3631 Los Angeles cliff between Avalon and Pebbly Beach, Santa Catalina Island 30 Comment
  POM356024  Coreopsis gigantea F. R. Fosberg 1931-4-15 4631 Los Angeles Santa Catalina Island. Eagle's Nest, Middle Ranch Canyon. 180 Comment
  CAS-BOT-BC105698  Corethrogyne filaginifolia L. A. Greata 1900-9-20 s.n. Los Angeles Pasadena Comment
  JEPS31109  Corethrogyne filaginifolia Ernest C. Twisselmann 1961-10-31 6682 Los Angeles Leona Valley Liebre Mountains, Leona Valley 929 Comment
  UC1536086  Corethrogyne filaginifolia Robert F. Thorne 1975-9-3 47377 Los Angeles Fisherman's Cove Santa Catalina Island Comment
  UCR141865  Cornus sericea R. G. Swinney 1997-9-6 5861 Los Angeles San Gabriel Mountains, Mescal Picnic Park [= Mescal Campground], along boardwalk about 50 m N of Big Pines Highway 1866 Comment
  RSA188487  Cornus sericea subsp. sericea R. F. Thorne, John Olmstead 1965-8-26 35422 Los Angeles San Gabriel Mountains, Angeles National Forest: swampy area along Prairie Fork of San Gabriel River. 1585 Comment
  UCR190616  Cotoneaster lacteus R. G. Swinney 2000-5-10 7680 Los Angeles San Gabriel Mtns., Azusa, San Gabriel River Canyon, 1.2 miles NE of Sierra Madre Ave. on shoulder of Hwy 39 244 Comment
  RSA595365  Cotoneaster pannosus Louis C. Wheeler 1970-1-4 s.n. Los Angeles San Gabriel Mountains. Santa Anita Canyon, just upstream from Winter Creek. 549 Comment
  PASA940  Cotula australis Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  SEINET11859881  Cotula coronopifolia J. F. Bright, Wyman, C. 1931-8-15 5741 Los Angeles Holllywood Comment
  IRVC29545  Crassula connata A. C. Sanders 2003-4-29 26160 Los Angeles Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. Western San Gabriel Mtns. 396 Comment
  RSA509593  Crassula connata L. C. Wheeler 1967-5-13 9528 Los Angeles San Gabriel Canyon, Ward's Grove. 262 Comment
  SD90380  Crassula connata Robert F. Thorne 1966-4-17 36119 Los Angeles San Clemente Islandp Rocky bottom of Bx Canyon, northwest of Horse Canyon, southwest of Thirst. 245 Comment
  RSA533452  Crassula connata var. erectoides Tim Ross 1991-4-21 4542 Los Angeles Whittier Hills (Puente Hills, pro parte): ridge on N side of Turnbull Canyon 305 Comment
  CAS-BOT-BC427963  Crassula tillaea Louis C. Wheeler 1967-4-5 9173 Los Angeles San Gabriel Mts.: vicinity of Rose Bowl, Arroyo Seco Comment
  SD28083  Crocanthemum scoparium var. vulgare Carl B. Wolf 1932-5-13 3625 Los Angeles Santa Catalina Island; 3.5 miles from Avalon on way to Isthmus. 365 Comment
  RSA156061  Crossosoma californicum P. H. Raven 1962-5-20 17785 Los Angeles Santa Catalina Island. Grove above White's Landing on Airport Road 427 Comment
  SD39873  Croton californicus Edith A. Purer 1931-4-28 2031 Los Angeles Redondo Beach Comment
  SEINET7063472  Croton californicus A. G. Vestal 1947-4-2 s.n. Los Angeles Puenta Hill. UTM Zone 11, 426531mE, 3763984mN. (WGS84/NAD83). 309 Comment
  SEINET9458791  Croton californicus G. B. Grant 1903-1 236 Los Angeles Redondo. Comment
  RSA480558  Croton californicus var. californicus Robert Gustafson 1980-7-9 1813 Los Angeles Ballona Wetlands, Area 3. Confined to a narrow strip of coastal strand near the jct. of Lincoln Blvd. and the Ballona Channel in area 3; also on coastal strand along the western boundary area 1. Comment
  SEINET3926241  Crypsis vaginiflora Louis C. Wheeler 1966-9-6 8869 Los Angeles San Gabriel Mountains. Little Rock Reservoir.; 0 Comment
  UCR231138  Cryptantha R. F. Thorne 1963-5-15 31676 B Los Angeles Mojave Desert, 1 mile W of Los Angeles Co. line on Route 138, c. 2 miles W of Desert Springs 1172 Comment
  UCR280905  Cryptantha circumscissa R. G. Swinney 2014-4-23 16159 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains 1256 Comment
  RSA0089242  Cryptantha circumscissa var. circumscissa Steve D. Boyd, Gary D. Wallace 2011-4-14 12312 Los Angeles Transverse Ranges; Liebre/San Gabriel Mountains region: Acton Wash ca. 3km east of junction of Soledad Canyon Road and Crown Valley Road. 829 Comment
  UCR264732  Cryptantha circumscissa var. circumscissa Steve Boyd, Gary D. Wallace 2011-4-14 12312 Los Angeles Transverse Ranges; Liebre / San Gabriel Mountains region, Acton Wash ca. 3 km east of junction of Soledad Canyon Road and Crown Valley Road. 829 Comment
  LA94290  Cryptantha clevelandii W. O. Griesel; 1936-4-25 sn Los Angeles Santa Monica Mountains, Point Dume 365 Comment
  RSA0113230  Cryptantha corollata R. G. Swinney 2011-3-29 14274 Los Angeles San Gabriel Mts.; Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel. 366 Comment
  RSA0014596  Cryptantha decipiens Orlando Mistretta, Christine Mistretta 2011-6-17 5704 Los Angeles Kentucky Springs Cyn, along Southern California Edison (SCE) transmission line corridor 1.75 miles S of SCE substation at Vincent, W of Angeles Forest Hwy 1087 Comment
  RSA595336  Cryptantha flaccida L. C. Wheeler 1967-5-8 9341 Los Angeles San Gabriel Mts [Liebre Mtns]between Bouquet Junction and Bonelli Ranch. 396 Comment
  LA33490  Cryptantha intermedia Peter H. Raven; 1959-4-18 13996 Los Angeles Santa Monica Mountains, Point Dume, above the beach 30 Comment
  LA94302  Cryptantha intermedia Carl Epling; L. Ellison 1929-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  SBBG63827  Cryptantha intermedia R. Hoffmann 1932-4-26 Los Angeles Mint Cyn, N of Solemint Comment
  SD85025  Cryptantha intermedia E. R. Blakley 1963-12-7 6339 Los Angeles San Clemente Island:Shallow canyon sloping to ocean, 200 feet north of Lighthouse, north of Pyramid Head. 53 Comment
  UC483198  Cryptantha intermedia L. R. Abrams and I. L. Wiggins 1931-7-6 354 Los Angeles vicinity Mosquito Harbor; San Clemente Island Comment
  UCR205987  Cryptantha intermedia R. G. Swinney 1989-5-8 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park in Big Dalton Canyon and its tributaries. 'Water Pipe Canyon' [=Pavil Cyn] 457 Comment
  RSA0075628  Cryptantha intermedia var. johnstonii L. R. Abrams 1901-4-1 1204 Los Angeles Ballona Harbor. Comment
  RSA729009  Cryptantha micrantha Gary D. Wallace, B. Gustafson, D. Minor, M. Wallace, F. Runyon, B. Birdsal 1982-4-26 1963 Los Angeles Fort Tejon Road. Comment
  CHSC98605  Cryptantha micromeres LeRoy Gross; Michael Honer, Leland Lubinsky 2000-4-27 195 Los Angeles San Rafael Hills: Ridge running due west of Lookout Tower, east of the (2) Glendale Freeway. On north slope; area burned in 1999. 487 Comment
  RSA507971  Cryptantha microstachys Steve Boyd 1988-4-28 2225 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  RSA0105751  Cryptantha muricata R. G. Swinney 2011-7-7 15445 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
  SEINET3259902 Image available Cryptantha muricata R. G. Swinney 2008-3-31 8596 Los Angeles San Gabriel Mtns.; Glendora Mountain summit. 1003 Comment
  UC1871275  Cryptantha muricata T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3996 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. T7N R17W E 1/2 NE 1/4 sect 9. Elev ca 4560-5520 feet. [West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10] Comment
  UC1871313  Cryptantha muricata T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3914 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon; Elevation 4390-5150 feet. T8N R17W SE 1/4 SW 1/4 sect 35; and T7N R17W NE 1/4 NW 1/4 sect 2. Comment
  RSA0079384  Cryptantha muricata var. jonesii R. G. Swinney 1998-7-27 6490 Los Angeles San Gabriel Mtns.: Dry Lake, south of Sunset Peak at head of Dry Lake Canyon. 1515 Comment
  RSA0079447  Cryptantha muricata var. muricata R. G. Swinney 2008-4-30 8708 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Monroe Canyon. 549 Comment
  SEINET8555263  Cryptantha muricata var. muricata I. W. Clokey, B. C. Templeton 1935-5-18 5667 Los Angeles San Gabriel Canyon, one mile above dam. Comment
  UCR220044  Cryptantha nevadensis var. rigida 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 915 Comment
  RSA587090  Cryptantha nevadensis var. rigida Orlando Mistretta, Steve Boyd 1995-5-23 1725 Los Angeles San Gabriel Mountains: Bare Mountain Canyon. 1494 Comment
  RSA678434  Cryptantha traskiae Mark Elvin, Orlando Mistretta 1996-3-24 121 Los Angeles San Clemente Island. Comment
  POM4558  Cucurbita foetidissima L. R. Abrams 1902-6-10 2508 Los Angeles Near Playa del Rey. Comment
  RSA0048323  Cucurbita foetidissima Lee Haines 1948-7-6 s.n. Los Angeles Canoga Park. Comment
  RSA394306  Cucurbita foetidissima Robert Gustafson 1980-8-29 1873 Los Angeles Ballona Wetlands, Area 3 Infrequent and scattered in Area 3. Comment
  RSA642096  Cuscuta Orlando Mistretta 1994-6-8 1343 Los Angeles San Gabriel Mountains: Little Rock Creek Management Unit, Little Rock Section. Comment
  RSA609082  Cuscuta californica L. C. Wheeler 1932-8-1 1103 Los Angeles Liveoak Wash near La Verne 396 Comment
  UCR11933  Cuscuta californica P. H. Raven 1960-5-21 15401 Los Angeles Western Transverse Range; Santa Monica Mtns., Cornell Corners 244 Comment
  SBBG58154  Cuscuta denticulata R. Hoffmann 1928-7-9 Los Angeles Antelope Valley Comment
  RSA716871  Cuscuta pentagona Scott D. White, Andrea Warniment 2006-7-18 11634 Los Angeles SE Tehachapi Mtns: Gorman area, riparian zone along Gorman Creek, NE of the I-5 Freeway. 1006 Comment
  UCSB6801  Cynodon dactylon B., K. 1943-3-25 Los Angeles Dalton CCC Camp, in the San Dimas Experimental Forest, San Gabriel Mountains 335 Comment
  UCSB6802  Cynodon dactylon Haller, Norman 1953-3-22 Los Angeles Corner of Hilgard and LeConte; UCLA Campus, garden near Bus Stop Comment
  CATA1344  Cyperus eragrostis Mark L. Hoefs, Robert F. Thorne, Janet Takara 1995-7-25 2448 Los Angeles Santa Catalina Island: Haypress Reservoir 420 Comment
  RSA0085110  Cyphomandra betacea Bonnie C. Templeton 1978-05 11664 Los Angeles Templeton Garden in Los Angeles. Comment
  RSA592809  Cystopteris fragilis Steve Boyd, Orlando Mistretta 1996-5-1 8757 Los Angeles Liebre Mountains, Sawmill Mountain, upper slopes and summit at head of Heryford Canyon, east of the junction of 7N23 and 7N08. 1524 Comment
  UC1870321  Cytisus striatus LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1073 Los Angeles [Transverse Ranges; Verdugo Mountains region]; North side of mountains: North of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, freeway cut (210 Freeway) just east of La Tuna Canyon exit. 457 Comment
  LA39063  Datura wrightii Harlan Lewis; 1940-8-14 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Campus. Comment
  RSA653523  Datura wrightii LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 286 Los Angeles Verdugo Mountains: Intersection of Verdugo Mountainway and Hostetter Mountainway. 915 Comment
  SEINET6168337  Datura wrightii N. K. Berg 1904-4-14 s.n. Los Angeles Santa Monica Comment
  UC56505  Daucus pusillus Ernest Braunton 1902-4-29 245 Los Angeles North Pomona Comment
  CAS-BOT-BC299300  Deinandra fasciculata L. R. Abrams; I. L. Wiggins 1931-7-6 361 Los Angeles Vicinity of Mosquito Harbor, San Clemente Island Comment
  UC53932  Deinandra fasciculata J. Burtt Davy 1901-6-1 7773 Los Angeles Redondo Comment
  CAS-BOT-BC131013  Deinandra minthornii David D. Keck 1932-10-14 1953 Los Angeles N. of Chatsworth city limits, on first hill to west of Topango Canyon Blvd., Santa Susana foothills Comment
  UCR124392  Delphinium cardinale I. W. Clokey, B. C. Templeton 1929-1 4580 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  RSA394514  Delphinium cardinale Robert L. Dressler 1949-6-19 898 Los Angeles SanDimas Wash, ca. 1 mile N of San Dimas. 671 Comment
  RSA0029745  Delphinium glaucum R. G. Swinney 1997-7-16 5663 Los Angeles Buford Canyon, 0.5 mi. W of San Barnardino Co. line, S of Hwy 2 and Swarthout Valley, 2 air mi. W of Wrightwood. 1921 Comment
  CAS-BOT-BC7962  Delphinium parishii subsp. parishii Louis C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mountains: Mill Canyon off Soledad Canyon 731 Comment
  SBBG17391  Delphinium parishii subsp. parishii K. A. Wilson 1962-5-12 1275 Los Angeles cyn with public cmpgrds leading to Devils Punch Bowl trail Comment
  RSA398767  Delphinium parryi G. R. Johnstone 1931-5-3 14058 Los Angeles Pico Canyon, Santa Susana Mountains. Comment
  RSA702295  Delphinium parryi Scott D. White, Pam De Vries 2004-5-18 10431 Los Angeles Eastern Santa Susana Mtns. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  UC467732  Delphinium parryi I. J. Condit Los Angeles San Dimas Comment
  CAS-BOT-BC121401  Delphinium parryi subsp. maritimum Carl Epling 1931-5-2 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains Comment
  CAS-BOT-BC116274  Delphinium parryi subsp. parryi C. Epling 1931-5-2 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains Comment
  RSA603908  Delphinium parryi subsp. parryi Louis C. Wheeler 1975-6-8 s.n. Los Angeles San Gabriel Mountains: ca. 1 mile E of mouth of Little Tujunga Canyon. Comment
  RSA595368  Delphinium parryi subsp. parryi Louis C. Wheeler 1967-5-8 9361 Los Angeles San Gabriel Mountains [Liebre Mtns]; Northeast foothills. 412 Comment
  RSA535275  Delphinium variegatum subsp. thornei Tim S. Ross, Mistretta, Hammitt 1991-5-20 5312 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons, area burned within previous two years; upper E fork of Box canyon 477 Comment
  SD90300  Delphinium variegatum subsp. thornei Robert F. Thorne 1973-4-11 42801 Los Angeles San Clemente Island: plateau in Middle Ranch area at head of Middle Ranch canyon 427 Comment
  POM420  Dendromecon rigida L. R. Abrams 1901-04 1373 Los Angeles Santa Monica Mountains Comment
  UCR198383  Dendromecon rigida Valerie Soza, L. Moore 2000-5-10 843 B Los Angeles Transverse Ranges: Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive from fire gate to powerlines 579 Comment
  RSA229070  Deschampsia danthonioides R. F. Thorne, C. W. Tiforth 1971-6-30 40794 Los Angeles Angeles National Forest: S fork of Little Rock Creek, 1.8 miles below Alder Saddle in Pinyon Flats area 1555 Comment
  SBBG118902  Descurainia pinnata S. Boyd with A. Maurice 2004-5-18 11312 Los Angeles Atmore Meadows area Comment
  CAS-BOT-BC43172  Descurainia pinnata subsp. brachycarpa Roxana S. Ferris; Ruth P. Rossbach 1938-5-13 9484 Los Angeles 4 miles northeast of Lancaster on the Muroc Road. Comment
  CAS-BOT-BC402274  Dicentra chrysantha Herman Knoche 1919-6-12 Series A, No. 798 Los Angeles Glendora Comment
  UC9923  Dicentra chrysantha J. H. Barber 1897-6-29 214 Los Angeles Bear Creek Comment
  RSA670713  Dicentra ochroleuca Bonnie C. Templeton 1955-5-12 7727 Los Angeles Along Mulholland Drive, Santa Monica Mountains. Comment
  UCR101680  Dichelostemma capitatum B. G. Pitzer 1998-5-23 3752 Los Angeles Western Transverse Range, Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  SBBG57577  Dichelostemma capitatum subsp. capitatum M. N. Ackley -May-1925 631 Los Angeles Kirby's Cyn, Glendale Comment
  SFV10184  Dichelostemma capitatum subsp. capitatum J. G. Cuti 1978-4-12 45 Los Angeles Verdugo Mountains Small canyon off south side of La Tuna Canyon road, about 4 miles east of Sunland Blvd. South facing slope. 460 Comment
  POM169658  Dichelostemma capitatum subsp. capitatum Minnie Reed 1896-4-2 s.n. Los Angeles Pomona. Comment
  RSA376850  Dichelostemma capitatum subsp. capitatum Robin S. Collins 1973-3-26 217 Los Angeles Angeles National Forest, San Gabriel Mts. Trail Cyn. 640 Comment
  UC1159706  Digitaria ciliaris F. R. Fosberg 1937-8-14 14264 Los Angeles Hollywood 100 Comment
  CAS-BOT-BC150256  Diplacus brandegeei Alice Eastwood 1904-5-1 s.n. Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC152900  Diplacus brevipes Alice Eastwood 1913-5-11 3124 Los Angeles San Fernando Wash Comment
  UCR95359  Diplotaxis tenuifolia L. C. Wheeler 1969-12-24 s.n. Los Angeles Pasadena; S Arroyo Parkway near Del Mar 255 Comment
  RSA530708  Diplotaxis tenuifolia H. L. Bauer 1929-4-15 s.n. Los Angeles Long Beach. Comment
  SFV7526  Dipsacus sativus T. Gordon 1975-5-14 994 A Los Angeles San Fernando Valley Northridge. West side of Reseda Blvd. just north of Prairie Street. Comment
  RSA704044  Dissanthelium californicum Jenny L. McCune, Lauren K. Danner 2005-4-21 3 Los Angeles Santa Catalina Island. Second drainage East of Camp Cactus, where stream forks, South of road. 183 Comment
  JEPS57652  Dodecahema leptoceras Frank W. Peirson 1920-4-26 2113 Los Angeles Santa Anita Wash San Gabriel Mountains 213 Comment
  UC1211152  Dodecatheon clevelandii subsp. clevelandii Huron H. Smith 1912-4-23 4818 Los Angeles Eagle Rock 213 Comment
  UC57084  Dodecatheon clevelandii subsp. clevelandii R. D. Williams 1902-3-17 Los Angeles Claremont foothills 609 Comment
  JEPS22779  Dodecatheon redolens Rimo Bacigalupi with Reino Alava 1958-7-20 6436 Los Angeles one-half mi se Dawson Saddle (headwaters of Dorr Canyon, in gully on n slopes of Throop Peak, along Angeles Crest Highway (Calif. No. 2), San Gabriel Mts.); San Gabriel Mts., headwaters of Dorr Canyon 2377 Comment
  RSA226941  Dodecatheon redolens Robert F. Thorne 1971-8-25 41256 Los Angeles San Gabriel Mountains, Angeles National Forest: Lily Spring on NW slope of Mt. Hawkins. Comment
  UCR141026  Draba corrugata June Latting 1977-10-16 s.n. Los Angeles San Gabriel Mountains, Throop Peak Trail 2774 Comment
  SBBG38044  Draba cuneifolia V. Soza with L. Gross 2002-4-3 1383 Los Angeles W side of Bouquet Cyn, cyn opposite Texas Cyn 564 Comment
  JEPS22780  Drymocallis cuneifolia var. ewanii Rimo Bacigalupi with Reino Alava 1958-7-20 6437 Los Angeles along Angeles Crest Highway (Calif. No. 2) one-half mi se Dawson Saddle (headwaters of Dorr Canyon, n slopes of Throop Peak, San Gabriel Mts.); San Gabriel Mts., headwaters of Dorr Canyon, Throop Pk 2377 Comment
  RSA313030  Dryopteris arguta R. F. Thorne, J. Henrickson 1963-5-5 32291 Los Angeles Rocky, shaded slopes of upper Cobal Canyon, foothills of San Gabriel Mts., ca. 4 miles N of Claremont. 518 Comment
  UCSB8232  Dryopteris arguta Ballard 1954-5-27 Los Angeles Little Dalton Canyon. 350 Comment
  CAS-BOT-BC67947  Dryopteris arguta Henry J. Thompson; Peter H. Raven 1959-10-31 14726 Los Angeles Santa Monica Mountains - Mandeville Canyon 5.0 miles north of Sunset Boulevard 274 Comment
  RSA650214  Dryopteris arguta Jerry Davids 1949-2-2 s.n. Los Angeles Collected- Cal Poly campus. 182 Comment
  LA200389  Dudleya caespitosa Jonathan Sauer; D. Birindelli, L. Birindelli 1968-5-6 4350 Los Angeles Santa Monica Mountains, Point Dume, on coastal bluff 15 Comment
  UCD101873  Dudleya caespitosa Daryl Koutnik 1978-4-28 426 Los Angeles Point Dume near Zuma Beach. 45 Comment
  RSA0081052  Dudleya cymosa R. G. Swinney 2010-6-1 13108 Los Angeles San Gabriel Mountains: lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy. 1098 Comment
  CAS-BOT-BC428120  Dudleya cymosa subsp. cymosa K. Nakai 1980-5-25 608 Los Angeles Santa Monica Mountains, Arroyo Sequit in UCLA-NLWRS Reserve next to Camp JCA (Jewish Community Association) ca. 2.5 km south of junction of Mulholland Hwy. and Little Sycamore Rd. on Mulholland Hwy. 209 Comment
  LA105034  Dudleya cymosa subsp. ovatifolia Peter H. Raven; David Verity 1960-5-7 15326 Los Angeles Santa Monica Mountains, Arroyo Sequit, upper Arroyo Sequit 243 Comment
  UC1601948  Dudleya cymosa subsp. pumila I. M. Johnston 1917-6-15 1289 Los Angeles Ontario Peak, San Antonio Mtns 1828 Comment
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May 13 2016
  UCR150629  Dudleya densiflora Scott D. White 1997-5-8 5072 Los Angeles San Gabriel Mtns, San Gabriel River Canyon, N of Azusa. Canyon bottom and adjacent slopes below Morris Dam 305 Comment
  UC2059989  Dudleya lanceolata K. Nakai 1981-6-24 778 Los Angeles Fish Canyon, San Gabriel Mountains, ca. 1.5 km from the mouth of Canyon. Comment
  CAS-BOT-BC411392  Dudleya lanceolata Geo. B. Grant 1904-6-17 s.n. Los Angeles Arroyo Seco, Pasadena Comment
  RSA397814  Dudleya multicaulis Helen M. Oster 1924-4-27 s.n. Los Angeles Foothills N, between Vermont and Western Ave- Los Angeles Comment
  UC933195  Dudleya virens Reid Moran 1941-2-18 590 Los Angeles near mouth Middle Ranch Canyon (steep e slope); san Clemente Island 152 Comment
  RSA7709  Dudleya virens subsp. hassei C. B. Wolf 1932-5-11 1489 Los Angeles Santa Catalina Island. Point west side of Fourth of July Cove. 30 Comment
  RSA608228  Echinochloa crus-galli L. C. Wheeler 1946-9-1 6330 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, 0.1 - 0.2 mile westerly from confluence with North Fork. Comment
  UCR256130  Echium candicans R. G. Swinney 2010-4-20 12317 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  RSA715120  Ehrharta erecta Daisie Huang 2006-4-27 s.n. Los Angeles Side yard at 160 May Ave., Monrovia, CA. 190 Comment
  RSA65627  Elatine brachysperma F. W. Peirson 1921-6-19 2470 Los Angeles Crystal Lake, North Fork San Gabriel River 1676 Comment
  RSA611913  Eleocharis bella L. C. Wheeler 1934-5-14 2593 Los Angeles Mouth San Dimas Canyon, San Gabriel Mountains. 442 Comment
  SEINET7586257 Image available Eleocharis macrostachya Louis C. Wheeler 1968-4-13 s.n. Los Angeles San Gabriel Mountains, west fork of Morgan Canyon near Ferguson Motorway. 434 Comment
  CAS-BOT-BC113042  Eleocharis montevidensis I. Johnston 1917-6-14 1909 Los Angeles West of Pomona, wet ground along creek. Comment
  LA15829  Eleocharis montevidensis A. M. Johnson; 1928-4-7 294 Los Angeles SANTA MONICA MOUNTAINS, Los Angeles River, Griffith Park Comment
  RSA709613  Eleocharis obtusa A. C. Sanders 2005-5-5 29896 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool. 655 Comment
  CAS-BOT-BC113283  Eleocharis parishii John Thomas Howell 1930-5-12 4894 Los Angeles Border of rain-pool on alkaline flats, 5,5 mi N of Lancaster, Mojave Desert Comment
  RSA571882  Eleocharis radicans R. L. Moxley 1914-9-3 13 Los Angeles Arroyo Seco, Near Colorado Street bridge. Comment
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Nov 12 2009
  SBBG59330  Elymus elymoides R. Hoffmann 1929-4-28 Los Angeles Harold, near Palmdale Comment
  SEINET179628  Elymus elymoides subsp. californicus V. Duran 1933-7-9 Los Angeles Horse Flats San Gabriel Mtns Comment
  CDA31745  Elymus glaucus L. C. Wheeler 1968-6-1 s.n. Los Angeles San Gabriel Mtns. Campground vicinity, Devil s Canyon Comment
  SBBG77100  Elymus glaucus F. R. Fosberg 1931-4-14 4610 Los Angeles Middle Ranch Cyn 180 Comment
  UCR191284  Elymus glaucus R. G. Swinney 1999-6-30 7480 Los Angeles San Gabriel Mtns., Grand View Canyon, c. 1.3 mi. north of Big Pines Hwy at All Nations Camp 1561 Comment
  RSA0113893  Elymus glaucus Steven A. Junak 1999-5-21 SCa- 990 Los Angeles Santa Catalina Island. Coffee Pot Canyon, upstream from road crossing. 427 Comment
  RSA600055  Elymus glaucus subsp. glaucus Steve Boyd, Lauren Raz 1997-5-20 9810 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
  SEINET13276844 Image available Elymus hispidus R. G. Swinney 2011-1 15509 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), the middle elevation (& smallest) of three natural depressions at the north base of Strawberry Peak (Chilao Flat 7.5' Q.) 1170 Comment
  SEINET4674725  Elymus hispidus Steve Boyd, Mike Wall 1996-5-16 8793 Los Angeles Liebre Mountains, Ruby Canyon upstream from confluence with Elizabeth Lake Canyon at northwest end of Red Mountain, along Ruby Canyon Road ca. 0.9 mi E of jtn with Lake Hughes Road.; 0 622 Comment
  SD69726  Elymus triticoides Robert F. Thorne 1966-4-29 36269 Los Angeles Santa Catalina Island: along stream in Middle Ranch Canyon along road to Ben Weston Beach 60 Comment
  RSA401542  Emmenanthe penduliflora C. Epling 1931-5-9 s.n. Los Angeles Santa Monica Mountains. Los Alisos Canyon. Comment
  RSA599674  Emmenanthe penduliflora Steve Boyd, Lauren Raz 1997-5-6 9693 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  RSA608530  Emmenanthe penduliflora Louis C. Wheeler 1930-4-26 29 Los Angeles Santa Monica Mountains: Mandeville Canyon. Comment
  UC24038  Emmenanthe penduliflora J. H. Barber 1897-6-29 215 Los Angeles Bear Canyon Comment
  UCR124553  Emmenanthe penduliflora B. C. Templeton 1932-8-26 5092 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2088 Comment
  UCD119210  Emmenanthe penduliflora Jaime Kneitel 1997-3-19 s.n. Los Angeles San Gabriel Mts. Ed Davis Park, Towsley Cyn. Comment
  UCR276904  Emmenanthe penduliflora var. penduliflora R. G. Swinney 2011-3-29 14286 Los Angeles San Gabriel Mts., Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel 366 Comment
  UCR280504  Emmenanthe penduliflora var. penduliflora R. G. Swinney 2014-5-13 16493 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
  SBBG132334  Encelia californica J. Savage, J. Junak 2003-4-20 ENCA- 1 Los Angeles China Beach rd 106 Comment
  SBBG52779  Encelia californica F. R. Fosberg 1931-3-18 4290 Los Angeles Hamilton Cyn 10 Comment
  UC206240  Encelia californica Katharine Brandegee Los Angeles Santa Catalina Id. Comment
  LA94427  Encelia californica A. M. Johnson; 1932-5-14 4071 Los Angeles 7 Comment
  CAS-BOT-BC81829  Ephedra nevadensis Lewis S. Rose 1968-4-5 68014 Los Angeles Acton, Mojave Desert 822 Comment
  HSC1318  Ephedra nevadensis C. S. Apperson 1967-6-3 Los Angeles 1.0 mi. from Antelope Valley Freeway on Pearblossom Hwy. Comment
  LA6811  Ephedra nevadensis Carl Epling; May 1925 sn Los Angeles Mint Canyon 1523 Comment
  NY579266  Ephedra nevadensis S. R. Hill 2001-4-22 33362 Los Angeles North foothills of San Gabriel Mountains, Elizabeth Lake Road, 9.7 miles by road south--southwest of junction with Johnson Road, vicinity of Bee Canyon. Just southeast of road. 548.6 Comment
  RSA592854  Ephedra nevadensis Steve Boyd, Orlando Mistretta 1996-5-1 8741 Los Angeles Liebre Mountains, rugged hills between Soledad Canyon Agua Dulce, west of Young Canyon along the Pacific Crest Trail 854 Comment
  SBBG32268  Ephedra nevadensis L. S. Rose 1968-4-5 68013 Los Angeles Acton 822 Comment
  RSA316367  Ephedra viridis Robert F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 54994 Los Angeles Holcomb Ridge 1159 Comment
  UC284271  Ephedra viridis P. A. Munz 1923-5-27 6876 Los Angeles Big Rock Creek San Gabriel Mts., Big Rock Creek 1295 Comment
  UCR231166  Epilobium brachycarpum Dan S. Cooper 2011-9-27 911- 112 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, slope south of Forest Lawn Dr. just west of Travel Town 178 Comment
  RSA782805  Epilobium campestre A. C. Sanders, Dan S. Cooper 2010-8-5 38535 Los Angeles Madrona Marsh Preserve, Torrance 24 Comment
  RSA0106507  Epilobium canum R. G. Swinney 2011-7-7 15468 B Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), central camp area. 1098 Comment
  SEINET13287584 Image available Epilobium canum J. L. Crane, Payam M. Fallah 2003-7-9 03 84 b Los Angeles Along the Angeles Crest Highway (Route 2). San Gabriel Mountains. Comment
  UCR190539  Epilobium canum R. G. Swinney 2000-6-19 7824 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  CAS-BOT-BC166201  Epilobium canum subsp. canum Cecil Hart 1921-7-23 s.n. Los Angeles Howard & Smith's nursery, Montebello Comment
  LA32215  Epilobium canum subsp. canum Peter H. Raven; 1958-9-28 Los Angeles Elysian Park 213 Comment
  RSA588401  Epilobium canum subsp. canum T. S. Clare 1930-10-26 s.n. Los Angeles Sierra Madre Canyon Comment
  RSA592651  Epilobium canum subsp. canum Mark Hoefs 1973-7-20 393 Los Angeles Santa Catalina Island: by main road, at Little Harbor. 5 Comment
  RSA72331  Epilobium canum subsp. canum F. W. Peirson 1924-10-26 5260 Los Angeles Open space about 1/2 mile below California St. bridge, Arroyo Seco, Pasadena. 198 Comment
  SD31215  Epilobium canum subsp. canum Edith A. Purer 1932-8-31 4865 Los Angeles Palos Verdes Hills. Comment
  UC20669  Epilobium canum subsp. canum W. H. Brewer 1861-12-5 45 Los Angeles San Gabriel Mts. Comment
  RSA703177  Epilobium canum subsp. latifolium Scott D. White 2004-8-11 10717 Los Angeles San Gabriel Mountains: About 8 air miles west - northwest of Wrightwood. East of Fenner Saddle Rd. on Pacific Crest Trail. 2073 Comment
  RSA756146  Epilobium canum subsp. latifolium R. G. Swinney 2008-7-13 9186 Los Angeles San Dimas Experimental Forest, middle fork of Bell Canyon at debris basin. 762 Comment
  RSA448502  Epilobium canum subsp. mexicanum F. H. Elmore 1939-11-24 s.n. Los Angeles Wilson Cove, San Clemente Island. Comment
  UCR256452  Epilobium ciliatum R. G. Swinney 2010-9-9 13771 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
  RSA604683  Epilobium ciliatum subsp. ciliatum Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1997 Comment
  RSA229146  Epilobium ciliatum subsp. glandulosum Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38889 Los Angeles San Gabriel Mountains, Angeles National Forest: near Lodgepole Picnic area, at headwaters of Dorr Canyon, N slope of Throop Peak, above Angeles Crest Highway, 1.2 mile SE of Dawson Saddle. 2332 Comment
  RSA0112761  Epipactis gigantea R. G. Swinney 2010-9-30 13905 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
  RSA381711  Epipactis gigantea F. R. Fosberg, Joseph A. Ewan 1931-8-11 S 5558 Los Angeles Pine Flats, Islip Trail, 0.5 mile below Big Cienega, S fork San Gabriel Canyon, San Gabriel Mountains. 1900 Comment
  RSA747069  Epipactis gigantea Richard G. Swinney 2008-5-30 8908 Los Angeles San Gabriel Canyon, 0.4 mi. above (east) of El Encanto park office, on shoulder of the old road 268 Comment
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Nov 15 2010
  RSA773829  Epipactis gigantea Richard G. Swinney 2009-6-12 11146 Los Angeles Shoemaker Canyon Rd., at Blind Deer Spring in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  UC4489  Epipactis gigantea H. M. Hall 1896-8-5 302 Los Angeles San Antonio Mts. Comment
  UCR206496  Epipactis helleborine A. C. Sanders, T. B. Salvato 2009-5-19 36838 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  CAS-BOT-BC57316  Equisetum laevigatum Ernest Braunton 1902-5-1 s.n. Los Angeles Rivera Comment
  RSA774829  Equisetum laevigatum Orlando Mistretta, Christine Mistretta 2010-6-8 5287 Los Angeles Upper Big Tujunga Canyon; Lynx Gulch. Along Lynx Gulch Road, approx. 1.15 miles N of intersection with upper Big Tujunga Canyon Rd. 1100 Comment
  SDSU1966  Equisetum laevigatum J. Godsil 1952-4-28 217 Los Angeles Little Dalton Canyon, above Glendora. 366 Comment
  SD252212  Equisetum telmateia subsp. braunii Steven A. Junak 1999-9-10 Sca 1096 Los Angeles Santa Catalina Island: Middle Ranch Canyon, inland from Ben Weston Beach (Mills Landing). 91 Comment
  UC810223  Equisetum telmateia subsp. braunii F. R. Fosberg 1931-4-15 R 89 Los Angeles Eagle's Nest Middle Ranch Canyon; Santa Catalina Is. 180 Comment
  SD81665  Equisetum telmateia subsp. braunii Louis C. Wheeler 1931-5-10 Los Angeles San Antonio Mountains, San Dimas Canyon 455 Comment
  CAS-BOT-BC213595  Eragrostis mexicana subsp. mexicana S. B. Parish 1891-1-1 s.n. Los Angeles Los Angeles Comment
  CAS-BOT-BC278519  Eragrostis pilosa var. pilosa Cecil Hart 1921-7-1 12 Los Angeles Howard & Smith's nursery Comment
  RSA764421  Eremocarpus setiger Justin M. Wood 2009-8-18 1246 Los Angeles Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  CAS-BOT-BC300527  Eriastrum densifolium B. Ertter; J. Strachan 1979-6-29 3009 Los Angeles N edge of Angeles Nat'l Forest ca 9 airmiles ESE of Pearblossom, 1.7 mi N of Mile High on County Hwy N4 1463 Comment
  UCR223291  Eriastrum densifolium R. G. Swinney 2009-7-23 11383 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
  JEPS23132  Eriastrum densifolium subsp. austromontanum Rimo Bacigalupi with Reino Alava 1958-7-21 6450 Los Angeles Chilao Flat San Gabriel Mts., Angeles National Forest 1615 Comment
  RSA0104655  Eriastrum densifolium subsp. austromontanum Justin M. Wood 2008-11-21 251 Los Angeles ANF Road (3N27). Near Mount Gleason Road. 1220 Comment
  UCR126216  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-14 134 Los Angeles San Gabriel Mtns., Lower Big Tujunga Creek (upper Tujunga Valley), in center of wash, 400 m north of western end of Wentworth St. in city of Sunland 378 Comment
  UCR126226  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1992-6-27 115 Los Angeles Western San Gabriel Mtns., southern mouth of Bee Canyon, c. 250 m SW of Antelope Valley Fwy (Hwy 14), immediately adjacent to north side of Soledad Canyon Road and further up wash several hundred meters 549 Comment
  RSA0107966  Eriastrum densifolium subsp. elongatum Thos. Craig 1933-10-9 2007 Los Angeles Soledad Canyon, about 8 miles west of Ravenna. 610 Comment
  RSA0119646  Eriastrum densifolium subsp. mohavense P. A. Munz 1928-6-19 11069 Los Angeles Sand hills so. of Mohave. Comment
  RSA0122085  Eriastrum sapphirinum subsp. brevibracteatum R. F. Thorne, M. Z. Thorne 1969-7-9 38535 Los Angeles Angeles National Forest; Upper part of large sloping meadow at Big Pines. 2088 Comment
  RSA0121305  Eriastrum sapphirinum subsp. dasyanthum Ernest Braunton 1901-06 s.n. Los Angeles Sherman. Comment
  UC1871305  Ericameria cooperi var. cooperi T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 5014 Los Angeles Transverse Ranges; San Gabriel Mountains region; 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash; Acton USGS 7.5' USGS Quadrangle; T4N R13W, N/2 NE/4 NE/4 S1; elev. 2760-2880 ft. Comment
  RSA605501  Ericameria linearifolia L. C. Wheeler 1968-5-27 s.n. Los Angeles San Gabriel Mountains: Alimony Ridge. 1494 Comment
  CAS-BOT-BC298890  Ericameria nauseosa var. bernardina H. M. Hall 1930-11-2 12989 Los Angeles Blue Ridge, San Antonio Mts Comment
  SBBG62954  Ericameria nauseosa var. hololeuca R. Hoffmann 1931-10-1 Los Angeles Mint Cyn, ca. 7 mi E of Saugus Comment
  UC1119142  Ericameria nauseosa var. hololeuca H. A. Jensen 1933-6-8 326 Los Angeles Acton Tujunga Quad., Acton 822 Comment
  SBBG62849  Ericameria palmeri var. pachylepis M. N. Ackley -Nov-1928 431 Los Angeles Eagle Rock 182 Comment
  UC586871  Ericameria parishii var. parishii Joseph Andorfer Ewan 1934-8-2 8484 Los Angeles San Antonio Canyon San Gabriel Mts., San Antonio Canyon 1219 Comment
  CAS-BOT-BC293119  Ericameria pinifolia C. F. B. 1903-10-1 4076 Los Angeles Claremont Comment
  UC1584042  Ericameria pinifolia Tim Ross, Orlando Mistretta, and Peter Fritsch 1990-7-10 4029 Los Angeles ne of Tie Summit Station (e of Angeles Forest Hwy, Tujunga Ranger District, Angeles National Forest, westerly drainage that meets Tie Canyon); San Gabriel Mts. 1524 Comment
  UCR223394  Erigeron foliosus R. G. Swinney 2009-7-29 11404 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
  CAS-BOT-BC296197  Erigeron foliosus var. foliosus F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  CAS-BOT-BC33456  Erigeron foliosus var. foliosus Fordyce Grinnell 1904-7-4 s.n. Los Angeles Mt. Wilson (Switzer's Trail) Comment
  UCR199598  Erigeron foliosus var. foliosus Scott D. White, J. Wood 2008-5-8 11945 Los Angeles Puente/Chino Hills, SCE powerline corridor, east of Fullerton Road and south of Pathfinder, above Rowland Heights 305 Comment
  RSA600215  Erigeron foliosus var. stenophyllus Steve Boyd, Lauren Raz 1997-5-28 9900 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. 866 Comment
  SEINET12279766  Eriodictyon crassifolium J. Bright, Wyman, C. 1931-1 5280 Los Angeles Mint Canyon Comment
  CAS-BOT-BC189153  Eriodictyon crassifolium var. nigrescens Timothy S. Ross; Victor W. Steinmann 1995-5-8 8566 Los Angeles Between Leona Valley and Lost Valley 1182 Comment
  CAS-BOT-BC189159  Eriodictyon crassifolium var. nigrescens W. R. Dudley; F. H. Lamb 1896-6-7 4343 Los Angeles Kings Canyon, Liebre Mountains Comment
  RSA587610  Eriodictyon crassifolium var. nigrescens Orlando Mistretta 1994-4-29 1139 Los Angeles San Gabriel Mountains, Santiago Canyon. 1143 Comment
  UC1124349  Eriodictyon crassifolium var. nigrescens A. D. Gifford 1935-5-8 673 Los Angeles 4 mi ne Whitaker; Tejon quad. Comment
  SD65478  Eriodictyon trichocalyx Reid Moran 1967-7-22 14092 Los Angeles San Gabriel Mountains: Canyon south of Chilao. 1550 Comment
  RSA455058  Eriodictyon trichocalyx var. trichocalyx L. E. Hoffman 1931-11-28 s.n. Los Angeles Holcomb Creek, Angeles National Forest. Comment
  CAS-BOT-BC241899  Eriogonum cinereum Peter H. Raven 1957-9-21 11356 Los Angeles Topanga Canyon 2.5 mi. above U.S. 101 alternate, Santa Monica Mts. Comment
  LA52300  Eriogonum cinereum H. P. Bracelin; 1931-10-11 570 Los Angeles 274 Comment
  UCR174490  Eriogonum cithariforme Anuja Parikh, Nathan Gale 2005-7-5 2123 Los Angeles Santa Susana Mtns., Newhall Ranch, slopes south of upper Potrero Canyon, south of Santa Clara River c. 2 mi. east of the Ventura Co. line, study area 19 396 Comment
  RSA0013638  Eriogonum davidsonii Orlando Mistretta, Youssef Atallah 2011-8-16 6036 Los Angeles Aliso Canyon, 0.8 miles south of junction of Aliso Canyon Road and Angeles Forest Highway. 1295 Comment
  RSA746576  Eriogonum davidsonii R. G. Swinney 2008-5-13 8854 Los Angeles Devils Punchbowl Co. Park, Holcomb Canyon, 0.5 mi. south of Big Rock Creek Rd. 1293 Comment
  UCR281602  Eriogonum davidsonii R. G. Swinney 2014-4-17 16102 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, 1.2 miles east of Cheseboro Rd., 100-400 m south of California Aqueduct 968 Comment
  RSA489560  Eriogonum davidsonii James L. Reveal, R. Broome 1987-6-25 6570 Los Angeles San Gabriel Mountians: along the Angeles Crest Highway ( California Highway 2) at milepost 47.3, 10.4 miles S of Cloudburst Summit and 0.4 mile S of Charlton Flat Campgound. 1616 Comment
  LA200759  Eriogonum elongatum var. elongatum Norman A. Cole; May 1964 389 .5 Los Angeles Santa Monica Mountains, La Sierra Canyon, 3.1 mi E of junction of Mulholland and Cornell Rd 274 Comment
  RSA393491  Eriogonum elongatum var. elongatum H. E. Hasse 1893-08 s.n. Los Angeles Acton. Comment
  CATA3379  Eriogonum fasciculatum Peter J. Dixon 2016-5-20 056 Los Angeles Santa Catalina Island: El Rancho Escondido Rd., 535 m southwest of airport runway 310 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
  RSA0098362  Eriogonum fasciculatum subsp. foliolosum R. G. Swinney 2011-11-1 15961 Los Angeles San Gabriel Mountains: confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 634 Comment
  UCSB1402  Eriogonum fasciculatum var. foliolosum Albright, S. 1957-4-17 Los Angeles UCLA Campus, Faculty Hill 91 Comment
  CAS-BOT-BC250110  Eriogonum fasciculatum var. polifolium Timothy S. Ross; Steve Boyd; Peter W. Fritsch 1990-6-11 3395 Los Angeles San Gabriel Mountains. Little Rock Creek: Joshua Tree Campground on the SW side of Little Rock Reservoir 1002 Comment
  UC6306  Eriogonum gracile M. R. Lyell Sep. 1901 Los Angeles Antelope Valley Comment
  RSA486470  Eriogonum gracile var. gracile Richard Noyes 1988-7-30 599 Los Angeles Burbank Canyon, NW of Thompson Creek Dam 525 Comment
  OBI6104  Eriogonum heermannii Carl B. Wolf 1932-10-21 4363 Los Angeles 1/8 mi below Big rock Ranger Station, Big Rock creek, desert slope of San Gabriel Mts Comment
  RSA0084864  Eriogonum kennedyi var. alpigenum R. G. Swinney 2010-9-21 13870 Los Angeles C. 200 meters east of Mt. Hawkins, jct. of Pacific Crest Trail and side trail to Mt. Hawkins on north end of Copter Ridge. 2671 Comment
  UCR193550  Eriogonum maculatum R. G. Swinney 1999-6-28 7420 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, near old [abandoned] homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  CAS-BOT-BC269767  Eriogonum nudum var. pauciflorum Dr. A. Davidson 1893-7-1 s.n. Los Angeles Rock Cr., Mojave slope of San Berd. Mts. Comment
  JEPS56545  Eriogonum palmerianum Ralph Hoffmann 1927-9-23 2689 Los Angeles Palmdale Comment
  RSA424897  Eriogonum saxatile L. E. Hoffman 1932-8-21 s.n. Los Angeles Mt. Baldy, Angeles National Forest, [San Gabriel Mountains]. 3049 Comment
  CAS-BOT-BC265005  Eriogonum wrightii var. subscaposum Carl B. Wolf 1932-10-21 4364 Los Angeles Eight miles below Big Pines Park on road to Big Rock Creek, desert slope of San Gabriel Mts. 1371 Comment
  RSA766281  Eriogonum wrightii var. subscaposum Joseph A. Ewan 1934-8-3 8356 Los Angeles Swartout Canyon. Below summit, Big Pines. San Gabriel Mtns. 1982 Comment
  UCR281869  Eriophyllum ambiguum Mitch Provance 2010-5-20 510- 14 Los Angeles Tehachapi Mountains/Western Mojave Desert, 7.2 miles NW of corner of Rosamond Blvd. and 170th St., vicinity of powerline road. 1204 Comment
  POM199557  Eriophyllum confertiflorum I. W. Clokey, B. C. Templeton 1929-05 4477 Los Angeles Mandeville Canyon 300 Comment
  RSA0060782  Eriophyllum confertiflorum LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6808 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA670159  Eriophyllum confertiflorum Joseph M. Keefe 2001-3-19 31183 Los Angeles San Rafael Mountains. 20 meters north of Glenoaks Boulevard, 150 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, CA 91208. 488 Comment
  SFV6500  Eriophyllum confertiflorum T. Gordon, M. H. Grayum, P. McDonald 1974-6-4 s. n. Los Angeles Santa Susana Mountains Above cattle reservoir on Orcutt Ranch, north side of Oat Mountain Station. 1021 Comment
  UCR223467  Eriophyllum confertiflorum R. G. Swinney 2009-5-28 10940 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  RSA737561  Eriophyllum confertiflorum Sandra Leatherman 1999-6-18 78 Los Angeles Transverse Ranges, Santa Susana Mtns region, Dayton Canyon 341 Comment
  UC468934  Eriophyllum confertiflorum var. confertiflorum J. Grinnell 1903-7-3 Los Angeles Scoville Hill Pasadena, Scoville Hill Comment
  CAS-BOT-BC308361  Eriophyllum nevinii F. M. Reed 1909-7-4 2806 Los Angeles Near Sugar loaf Avalon, Catalina Island 15 Comment
  UCR220200  Eriophyllum wallacei R. G. Swinney 2009-4-2 10245 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road 1235 Comment
  UCSB18337  Eriophyllum wallacei Muirhead, M. 1964-5-15 Los Angeles Highway 138, 100 yards west of Pinon Hills city limit 1219 Comment
  RSA656865  Erodium botrys Joseph M. Keefe 2001-1-24 31019 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  SBBG67632  Erodium cicutarium R. Hoffmann 1927-8-31 Los Angeles Palmdale Comment
  SD232259  Erodium cicutarium V. Soza, LeRoy Gross 2001-5-14 1216 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. 762 Comment
  UCR260392  Erodium cicutarium R. G. Swinney 2010-2-27 11667 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
  RSA659747  Erodium cicutarium Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-3 67 Los Angeles San Clemente Island. Comment
  UCSB3541  Erodium cicutarium Beach, Kay 1957-1 Los Angeles San Dimas Exp. Forest; Volfe Canyon crossing of 2100 trail Comment
  UC1215133  Erodium moschatum Peter H. Raven 1962-4-9 17135 Los Angeles Wilson Cove, near barracks San Clemente Island 60 Comment
  RSA652315  Erodium moschatum Eleanor McClung 1937-3-14 1 Los Angeles Playa del Rey. Comment
  LA29289  Erysimum capitatum var. capitatum Mary V. Hood; 1945-5-20 45- 32 k* Los Angeles Mt Watermann 1889 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
  LA204413  Erysimum suffrutescens Joseph Andorfer Ewan; 1931-1-1 4004 Los Angeles Hyperion near El Segundo Comment
  UC1034656  Erysimum suffrutescens G. B. Rossbach 1940-2-25 924 Los Angeles sandy inland slopes and crests of dunes El Segundo Comment
  PASA181  Erythraea venusta Louise B. Lawrence Los Angeles North Pasadena Comment
  SBBG95390  Erythranthe cardinalis M. B. Dunkle 1928-5-13 1951 Los Angeles Cottonwood Cyn Comment
  RSA66275  Eschscholzia caespitosa Joseph A. Ewan 1930-5-30 2242 Los Angeles E shoulder, Cahuenga Peak, Santa Monica Mts. 518 Comment
  RSA656387  Eschscholzia californica J. Keeling 1980-5-11 12 Los Angeles Verdugo Mountains: Southeast side of house 3846 Fourth Avenue, La Crescenta. 473 Comment
  RSA483587  Eschscholzia californica var. crocea D. Charlton 1988-4-3 1707 Los Angeles West of Lancaster on Hwy 138. Quail Lake area between Gorman and Holiday Valley. 1067 Comment
  POM6276  Eschscholzia californica var. crocea Unspecified 1909-6-20 54 Los Angeles Claremont. Comment
  POM148433  Eschscholzia californica var. peninsularis L. R. Abrams 1901-04 1319 Los Angeles San Fernando Mts. 762 Comment
  RSA177836  Eschscholzia californica var. peninsularis Robert F. Thorne 1965-5-10 34477 Los Angeles West side of Black Jack Mountain, Santa Catalina Island. 488 Comment
  LA98867  Eschscholzia minutiflora E. R. Hobbs; 1979-6-25 79 88 Los Angeles Antelope Valley, Palmdale, NW corner of Avenue P and 30th Street Comment
  RSA0060778  Eschscholzia minutiflora LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6812 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  SD69636  Eschscholzia ramosa Robert F. Thorne, P. Everett 1965-5-11 34573 Los Angeles Santa Catalina Island, north side of north beach of Little Habor. 14 Comment
  RSA461092  Eucalyptus camaldulensis Robert Gustafson 1981-4-14 2166 Los Angeles Ballona Wetlands, Area 2. Comment
  UC1870224  Eucalyptus viminalis LeRoy Gross 2003-1-25 686 Los Angeles Transverse Ranges: Santa Susana Mountains; Johnston's Motorway from Indian Springs Estates (private Homes) but with trail easement at gated end of Iverson Road off Santa Susana Pass Road. climbs to main crest 610 Comment
  RSA0081301  Eucrypta chrysanthemifolia R. G. Swinney 2010-3-24 12079 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  UCR126645  Eucrypta chrysanthemifolia A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26125 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
  RSA584295  Eucrypta chrysanthemifolia var. chrysanthemifolia Tim S. Ross 1993-5-27 7332 Los Angeles W end of the San Gabriel Mountains: Wilson Canyon, along the riparian strip. 588 Comment
  UCR259571  Eulobus californicus R. G. Swinney 2010-5-7 12604 Los Angeles San Gabriel Mountains, Lake View Terrace, Oliver Canyon mouth, west of debris basin, 0.35 air miles north of I-210 Fwy, NW side of jct. of 'BP and L Rd' and Jimenez St./Dominica Ave. 378 Comment
  UCR190383  Euphorbia albomarginata R. G. Swinney 2001-4-18 7879 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap, east of Bobs Gap Road at base of ridge 1223 Comment
  UCD142390  Euphorbia dendroides Hartman 2002-5-21 PDR 125386 0 Los Angeles Big Santa Anita Cyn. Angeles NF. Comment
  UCR205693  Euphorbia maculata A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36982 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
  UCR45202  Euphorbia maculata A. C. Sanders 1986-7-30 6810 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
  UCR97079  Euphorbia maculata Scott D. White 1996-8-31 4506 Los Angeles City of Claremont, Geneva Avenue, north of San Jose, south of Arrow Highway, west of Indian Hill, east of Towne. 323 Comment
  RSA432440  Euphorbia palmeri Joseph A. Ewan 1936-7-27 9850 Los Angeles Swartout Valley. Comment
  RSA0036837  Euphorbia peplus Stephen Hill 1981-2-20 17 Los Angeles E. end of Building 3 on Cal Poly Pomona Campus. 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
  RSA624546  Euphorbia peplus L. C. Wheeler 1945-4-15 6008 Los Angeles Millard Canyon. 411 Comment
  UCD142466  Euphorbia peplus Robert F. Thorne 1966-9-15 36697 Los Angeles Santa Catalina Island; Middle Ranch Canyon; Middle Ranch. 213 Comment
  RSA128008  Euthamia occidentalis Peter H. Raven, H. J. Thompson 1959-10-18 14658 Los Angeles Mouth of Topanga Canyon, Santa Monica Mountains, (34deg.N; 118-119deg.W.) 5 Comment
  SBBG19214  Extriplex californica M. A. Piehl 1963-12-5 631105 Los Angeles Horse Beach Cyn, E base of China Pt 1 Comment
  RSA0106121  Festuca dertonensis R. G. Swinney 2011-3-15 14078 Los Angeles San Gabriel Mountains; Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 235 Comment
  LA200952  Festuca microstachys Peter H. Raven; 1960-5-15 15356 Los Angeles Santa Monica Mountains1, Piuma Road 2.1 mi. E of Rambla Pacifica 487 Comment
  CATA1736  Festuca myuros Mark L. Hoefs, Steven A. Junak, Keri Kirkland 2001-4-13 3119 Los Angeles Santa Catalina Island: Near road above Empire Landing 137 Comment
  CATA879  Festuca myuros Mark L. Hoefs, Robert F. Thorne, John W. Tucker, Grady L. Webster 1992-3-30 1690 Los Angeles Santa Catalina Island: Canyon behind Haypress Reservoir 377 Comment
  UCR275287  Festuca myuros Jeremiah George 2012-3-1 s.n. Los Angeles South Coast, Entradero Park, West Torrance near Redondo Beach 23 Comment
  UCR126883  Festuca octoflora A. C. Sanders 2003-4-29 26170 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 457 Comment
  RSA0116296  Ficus microcarpa R. E. Riefner Jr. 2014-8-11 14 -288 Los Angeles City of Long Beach, Belmont Shores, N side of Ocean Blvd. between Quincy Ave. and Park Ave. 4 Comment
  UCR61244  Ficus palmata R. G. Swinney 1989-5-20 s.n. Los Angeles San Gabriel Mtns., in and near Glendora Wilderness Park, Big Dalton Canyon and its tributaries. Dunn Canyon 457 Comment
  RSA638943  Filago californica L. C. Wheeler 1967-5-15 9563 Los Angeles Ridge immediately east of Fremont Pass. 579 Comment
  UCR20357A  Filago californica Fordyce Grinnell Jr. 1921-4-3 15741 A Los Angeles San Gabriel Mtns, Pacoima Canyon, 'Santa Monica Mtns. 793 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
  SBBG12445  Foeniculum vulgare P. H. Raven 1962-4-10 17252 Los Angeles above Wilson Cove 182 Comment
  UCR199994  Foeniculum vulgare Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1346 Los Angeles Transverse Ranges; Verdugo Mountains, La Tuna Canyon, along La Tuna Canyon Road 427 Comment
  RSA660899  Foeniculum vulgare Ann Williams 1992-5-7 16 -92 Los Angeles Grande Vista Dr., 1 mile off Beverly Dr. in Whittier. 146 Comment
  SFV12561  Forestiera pubescens M. H. Grayum, D. L. Koutnik 1977-11-25 893 Los Angeles San Gabriel Mountains Vicinity of Vasquez Rocks, near Agua Dulce. 671 Comment
  UCR272351  Frangula californica subsp. californica R. G. Swinney 2011-3-15 14094 Los Angeles San Gabriel Mountains, Arcadia, Arcadia Wilderness Park, 2240 Highland Oaks Drive, lower Santa Anita Cyn., southern portion of park 232 Comment
  CAS-BOT-BC53327  Frangula californica subsp. cuspidata Le Roy Abrams; E. A. McGregor 1908-7-2 532 Los Angeles Rock Creek, desert slopes of the San Gabriel Mountains, Shoemaker's 1188 Comment
  LA200502  Frankenia salina L. Larson; 1928-4-21 98 Los Angeles Santa Monica Mountains, Mugu Lagoon, eastern part of marsh Comment
  SEINET11978025  Frankenia salina J. F. Bright, Wyman, C. 1931-1 5720 Los Angeles In and around Hollywood Comment
  UC1929534  Frasera neglecta Valerie Soza, Naomi Fraga, Aydee Virgen 2003-6-16 1685 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western extension of Waterman Mountain, along Waterman Mountain trail 10W04 from approximatly 0.75 to 2.5 miles ESE from Three Points trailhead. 1921 Comment
  RSA0034700  Fraxinus velutina Louis C. Wheeler 1933-8-20 2091 Los Angeles 0.5 mi below Pine Canyon Dam, San Gabriel Canyon, San Gabriel Mts. 290 Comment
  CAS-BOT-BC212394  Fremontodendron californicum Elizabeth McClintock 1965-7-2 s.n. Los Angeles Table Mountain above Wrightwood, San Gabriel Mountains 2133 Comment
  RSA171933  Fremontodendron californicum Robert F. Thorne 1963-7-11 32790 Los Angeles along gully of S-facing slope near Pine Canyon Station of U.S. Forest Service, Angeles National Forest. Comment
  UCR124670  Fremontodendron californicum B. C. Templeton 1933-7-21 5016 Los Angeles San Gabriel Mountains, between Prairie Forks and Big Pines Camp 2092 Comment
  RSA131253  Fremontodendron californicum subsp. californicum Percy C. Everett, E. K. Balls 1959-5-22 23804 Los Angeles Big Rock Creek, N. Slopes San Gabriel Mtns., from Valyermo. 1372 Comment
  CAS-BOT-BC130247  Fritillaria biflora F. A. MacF. 1935-3-1 s.n. Los Angeles Mulholland Drive Comment
  LA22100  Fritillaria biflora var. biflora Katherine Kinsel; 1930-3-22 1074 Los Angeles SANTA MONICA MOUNTAINS, Hollyhock Canyon, Mandeville Canyon. Comment
  POM175432  Fritillaria pinetorum Joseph A. Ewan 1930-6-24 2676 Los Angeles N slope Mt Islip, San Gabriel Mountains 2287 Comment
  UCR259913  Fumaria officinalis R. G. Swinney 2010-3-16 11956 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  CDA5843  Galinsoga parviflora Margaret Bellue 1945-5-12 Los Angeles South Western Avenue, Los Angeles. 0 Comment
  SBBG133174  Galium B. C. Templeton 1967-8-1 10219 Los Angeles half-mile N of Roundtop; San Gabriel Mtns 1890 Comment
  UCSB6248  Galium angustifolium H., J. 1934-5-25 Los Angeles San Dimas Exp. Forest; dam no. 2; sec 1, T 1N, R 9W 792 Comment
  CATA1773  Galium angustifolium subsp. angustifolium Benjamin E. Carter, Amy Catalano, John R. Clark 2012-8-2 6913 Los Angeles Santa Catalina Island: Wild Boar Gully 100 Comment
  LA208337  Galium angustifolium subsp. angustifolium F. R. Fosberg; 1932-5-5 8109 Los Angeles Santa Catalina Island, hill n. Avalon 30.0 Comment
  RSA167631  Galium angustifolium subsp. angustifolium Peter H. Raven, Robert F. Thorne 1964-5-7 18997 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  SD253546  Galium angustifolium subsp. angustifolium R. G. Swinney 2011-7-7 15430 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Canyon (Chilao Flat 7.5'Q) 1220 Comment
  POM220049  Galium angustifolium subsp. angustifolium F. R. Fosberg 1932-5-5 8109 Los Angeles Near Avalon, Santa Catalina Island. 30 Comment
  RSA87113  Galium angustifolium subsp. angustifolium F. W. Peirson 1918-6-28 213 Los Angeles Foothills of Mt. Lowe, near Rubio Canyon 610 Comment
  UCR101752  Galium angustifolium subsp. gabrielense L. C. Wheeler 1967-8-9 10426 Los Angeles San Gabriel Mtns., Devil's Canyon on south side Mt. Waterman 1982 Comment
  UC1143136  Galium aparine Jerome S. Horton 1936-4-28 306 Los Angeles 1/4 mi se San Dimas Reservoir (meadow by San Dimas Climactic Sta.); Pomona Quadrangle, San Dimas watershed, San Dimas Canyon 487 Comment
  UCD121730  Galium aparine Robert F. Thorne; J. Henrickson 1963-5-5 32317 Los Angeles Open slopes of Cobal Canyon, foothills of San Gabriel Mts., ca. 4 mi. N of Claremont. 518 Comment
  SBBG131442  Galium catalinense subsp. acrispum S. A. Junak 1996-4-10 SCI 280 Los Angeles just N of first large cyn S of Triangulation Pt "Jack", on E edge of terrace 237 Comment
  RSA202668  Galium grande Lauramay T. Dempster, G. Ledyard Stebbins 1964-1-26 3975 Los Angeles Hillside above Chantry's Flat, San Gabriel Mountains. Altitude ca. 2200 feet. 671 Comment
  RSA638815  Galium grande Valerie L. Soza, Laura Moore 1999-6-30 587 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail. 854 Comment
  SD70525  Galium grande Lauramay T. Dempster 1964-1-26 3975 Los Angeles Hillside above Chantry's Flat, San Gabriel Mountains 671 Comment
  UCR159825  Galium grande Valerie Soza, LeRoy Gross 1999-7-15 629 Los Angeles Transverse Ranges; San Gabriel Mtns, Helispot off Mt Wilson Trail, 2.7 mi from trailhead in Sierra Madre 823 Comment
  UCR159828  Galium grande Valerie Soza, Kent Hughes 1999-6-17 564 Los Angeles Transverse ranges; San Gabriel Mountains, Upper Winter Creek Trail 793 Comment
  RSA230264  Galium johnstonii Robert F. Thorne 1969-7-2 38304 Los Angeles San Gabriel Mountains, Angeles National Forest: Angeles Crest Highway, 3.2 miles WSW of Cloudburst Summit. 1982 Comment
  UCR275519  Galium johnstonii D. E. Bramlet 2011-9-27 4963 Los Angeles San Gabriel Mountains, Pacifico Mountain 2163 Comment
  POM284023  Galium porrigens C. Epling 1931-5-2 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains. Comment
  RSA0105760  Galium porrigens R. G. Swinney 2011-6-7 15033 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
  UCR256461  Galium porrigens R. G. Swinney 2010-6-8 13190 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
  JEPS114007  Galium porrigens var. porrigens Timothy S. Ross and Steve Boyd 1992-7-5 6629 Los Angeles Red Mountain: mesic draw draining E from the saddle between the Red Mountain summit area and the 3704-foot knoll to the SE of it. Comment
  JEPS23838  Galium porrigens var. porrigens Peter H. Raven and Henry J. Thompson 1959-5-5 14141 Los Angeles Mullholland Hwy 1 mi w Las Virgenes Rd.; Santa Monica Mountains, Malibu Creek drainage 365 Comment
  SFV22021  Galium porrigens var. porrigens V. Soza, L. Gross, A. Munoz 2000-5-12 892 Los Angeles Verdugo Mountains Northeast side of Verdugo Mountains. Glendale, Engleheard Canyon, Camp Max Strauss at end of Shirlyjean Street. Fire road south from Engleheard Canyon to power lines. Northeast-facing slope above fire road. 396 Comment
  CAS-BOT-BC186348  Garrya flavescens Tim Ross 1990-8-17 3156 Los Angeles San Gabriel Mtns: Icy Springs in upper Big Rock Creek 1764 Comment
  CAS-BOT-BC186352  Garrya flavescens Ralph Hoffmann 1929-9-10 s.n. Los Angeles Trail to Tahquitz Pk, San Jacinto Mts. 2133 Comment
  CAS-BOT-BC158012  Garrya veatchii Louis C. Wheeler 1931-12-30 424 Los Angeles San Antonio Wash 670 Comment
  RSA229064  Gayophytum diffusum subsp. parviflorum Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38876 Los Angeles San Gabriel Mountains, Angeles National Forest: near Lodgepole Picnic area at headwaters of Dorr Canyon, N slope of Throop Peak, above Angeles Crest Highway., 1.2 mi. SE of Dawson Saddle 2332 Comment
  RSA355379  Gayophytum diffusum subsp. parviflorum Bonnie C. Templeton 1932-6-1 4872 Los Angeles West Blue Ridge, Big Pines Park 2195 Comment
  UCR209597  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2008-7-3 9155 Los Angeles San Gabriel Mtns., Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2345 Comment
  RSA311355  Gayophytum oligospermum Robert F. Thorne, M. Z. Thorne 1969-7-10 38397 Los Angeles San Gabriel Mountains, Angeles National Forest: just E of Holiday Hill Ski area, Swartout Valley 1997 Comment
  RSA776386  Gayophytum oligospermum Orlando Mistretta, Christine Mistretta 2010-6-14 5319 Los Angeles upper Big Tujunga canyon, 1.93 road miles E of junction with Angeles Forest Hwy. 1040 Comment
  RSA569938  Gilia T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4847 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  SD237555  Gilia R. G. Swinney 2008-6-17 9047 Los Angeles San Gabriel Mountains: ridge west of Jackson Flats, 0.4 mile MW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26 (Valyermo 7.5'Q) 2160 Comment
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Dec 7 2018
  SEINET12278821  Gilia C. L. Abbott 1926-1 s.n. Los Angeles Los Angeles Comment
  SEINET6969908  Gilia Wanda P. Vestal, A. G. Vestal 1955-3-26 3479 Los Angeles East side of road in field, Antelope Valley east of Fairmont on 110th Street. Comment
  RSA470106  Gilia angelensis T. S. Clare 1929-4-10 s.n. Los Angeles Verdugo Hills near Glendale Comment
  UCD117602  Gilia angelensis Robert F. Thorne 1966-4-6 35915 Los Angeles Santa Catalina Island, west of Empire Landing. 91 Comment
  RSA709788  Gilia brecciarum subsp. brecciarum LeRoy Gross 2005-4-28 2141 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  UCR64536  Gilia brecciarum subsp. brecciarum A. C. Sanders, E. J. Lawlor 1988-4-3 7760 Los Angeles Tehachapi Mountains, southwest end of the Tehachapi Mtns, l mi northwest of Gorman on a gasline rd, 0.4 mi above old highway 1284 Comment
  RSA782181  Gilia cana R. G. Swinney 2009-4-2 10270 Los Angeles Bob's Gap, 3.5 miles south of Hwy 138 on east side of Bob's Gap Road 1220 Comment
  UCR154193  Gilia capitata A. C. Sanders, T. B. Salvato 2005-5-24 30245 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon NW of community of Mint Canyon, tributary of Santa Clara River 518 Comment
  SFV21381  Gilia capitata subsp. abrotanifolia L. Moore, R. Burchet, L. Gross, D. Zygielbaum 2000-6-8 41 Los Angeles Verdugo Mountains La Tuna Canyon Park. Off La Tuna Canyon Road on Santa Monica Mountains Conservancy Land. Southwest-facing slope off of trail. 546 Comment
  UCD117681  Gilia capitata subsp. abrotanifolia James Henrickson 1966-4-16 2237 Los Angeles Soledad Canyon, along Escondito Canyon Road, 1 mile NW of Highway 14. 883 Comment
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Jul 9 2014
  SEINET4206837  Gilia latiflora J. Mark Porter, Lauren E. Machen 2004-5-2 14087 Los Angeles San Gabriel Mountains, northern foothills.; 0 1359 Comment
  UCD117774  Gilia latiflora Ira L. Wiggins 1966-4-24 20618 Los Angeles along E side of 145th Street E between Palmdale Boulevard and Avenue O, north of Pearblossom. Mohave Desert. Comment
  UC908820  Gilia latiflora subsp. latiflora Herbert L. Mason 1926-4-26 2970 Los Angeles four mi s Vincent (Soledad Pass (Mint Cayon Highway)); Soledad Pass, s of Vincent Comment
  RSA587962  Gilia leptantha subsp. transversa Orlando Mistretta 1992-5-4 246 Los Angeles Little Rock Creek, Alimony Ridge 1463 Comment
  UCR97329  Gilia modocensis R. G. Swinney 1996-5-27 4735 Los Angeles Eastern San Gabriel Mtns, east of Table Mountain and NW of Wright Ridge 2274 Comment
  CHSC40021  Gilia nevinii Blanche Trask 1897-3-1 Los Angeles Avalon, Santa Catalina Island. Comment
  UC1602122  Gilia nevinii S. B. Parish 1885-4-1 Los Angeles San Clemente Island Comment
  UCR86526  Gilia nevinii T. S. Ross, Amy Kendall 1992-4-15 6191 Los Angeles San Clemente Island, Central upland portion of the island, SW of 'Ledge' (1328' knoll of Stone field station), 236 degrees SW, c. 170m distant from summit of 'Ledge' 393 Comment
  SBBG64633  Gilia ochroleuca subsp. bizonata R. Hoffmann 1930-6-6 Los Angeles Liebre Station, Ridge Route [historic site] Comment
  UCR270635  Gilia ochroleuca subsp. bizonata R. G. Swinney 2011-5-24 14821 Los Angeles San Gabriel Mountains, 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 1061 Comment
  CAS-BOT-BC402024  Gilia ochroleuca subsp. bizonata K. H. Rechinger 1953-1-1 1093 Los Angeles Mojave Desert, Palmdale Comment
  CHSC95867  Gilia ochroleuca subsp. vivida LeRoy Gross; Michael Denslow 2003-6-4 972 Los Angeles Transverse Ranges; San Gabriel Mountains region: Trail from Islip Saddle to Mt. Williamson. UTM Zone: 3802522N 0431429E. 2195 Comment
  UC212501  Gilia ochroleuca subsp. vivida I. M. Johnston 1917-8-24 Los Angeles near head Prairie Fork (San Antonio Mountains, Southern California); San Antonio Mountains, nr Head of Prairie Fork 2346 Comment
  UC212502  Gilia ochroleuca subsp. vivida I. M. Johnston 1917-6-20 1265 Los Angeles Baldy Lookout of U.S.F.S. , Baldy Lookout (San Antonio Mountains) 2133 Comment
  UCR60815  Gilia sinuata Steve Boyd, Orlando Mistretta 1986-3-31 1528 Los Angeles Mojave Desert, Hwy 138, 4 mi east of junction with Hwy 18, NE of Pinyon Hills Comment
  CAS-BOT-BC266498  Githopsis diffusa F. W. Peirson 1921-6-13 1208 Los Angeles Big Santa Anita Canyon trail, about 1.5 miles below Sturdevants, San Gabriel Mountains 1066 Comment
  SBBG133339  Glebionis coronaria J. Savage, J. Lambart 2003-4-14 CHCO- 1 Los Angeles Wilson Cove near building 121 53 Comment
  RSA646277  Gnaphalium beneolens Orlando Mistretta 1992-9-14 804 Los Angeles San Gabriel Mountains: North Fork Saddle. Tujunga Ranger District. Comment
  RSA0105008  Gnaphalium californicum R. G. Swinney 2011-4-26 14516 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir. 378 Comment
  UCR273179  Gnaphalium californicum R. G. Swinney 2011-5-6 14615 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
  UCR214664  Gnaphalium canescens A. C. Sanders, Dan S. Cooper 2010-4-30 38135 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA598377  Gnaphalium chilense L. C. Wheeler 1967-5-24 9760 Los Angeles San Gabriel Mountains. Indian Canyon, near mouth. 701 Comment
  RSA225965  Gnaphalium luteoalbum R. F. Thorne, C. W. Tilforth 1971-6-29 40660 Los Angeles 0.5 mi below Little Rock Dam 944 Comment
  RSA251555  Gnaphalium luteoalbum R. F. Thorne 1973-4-11 s.n. Los Angeles San Clemente Island, upper part of Middle Ranch Canyon. 381 Comment
  RSA230195  Gnaphalium palustre R. F. Thorne 1969-7-2 38296 Los Angeles Angeles National Forest: near Chilao Creek, Upper Chilao Campground. 1616 Comment
  UCR256205  Gnaphalium purpureum R. G. Swinney 2010-6-8 13221 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
  RSA593482  Gnaphalium thermale Steve Boyd, Orlando Mistretta, Valerie Soza 1996-6-12 8847 Los Angeles Liebre Mountains, Castaic Creek drainage upstream from confluence of Fish Canyon, in side drainage below high-tension power lines. 610 Comment
  RSA659075  Goodmania luteola L. Kelly, David J. Keil 1988-4-16 41 Los Angeles Antelope valley, ca. 2 mi W of hwy. 14 along hwy. 138. Comment
  RSA244777  Guillenia lasiophylla F. R. Fosberg 1931-4-13 4594 Los Angeles Pebble [Pebbly] Beach Canyon, Santa Catalina Island 25 Comment
  RSA67366  Guillenia lasiophylla Joseph A. Ewan 1930-5-3 2354 Los Angeles Near summit of Mt Hollywood. Santa Monica Mts. 505 Comment
  POM4718  Gutierrezia sarothrae L. R. Abrams 1902-7-5 1557 Los Angeles Azusa Comment
  UCR99403  Harpagonella palmeri Lauren Raz, Orlando Mistretta, M. Wall 1997-3-16 068 Los Angeles Channel Islands, Santa Catalina Island, Avalon Canyon via 'Divide Trail', NE of the Wrigley Botanical Garden 183 Comment
  RSA678688  Hazardia cana Mark Elvin, Orlando Mistretta 1996-3-24 138 Los Angeles San Clemente Island. Eagle Canyon. 244 Comment
  CAS-BOT-BC307284  Hazardia squarrosa var. grindelioides J. Ewan 1931-10-11 5233 Los Angeles Sepulveda Canyon Road n. of Mullholland Dr., Santa Monica Mts. Comment
  UCR271587  Hazardia squarrosa var. grindelioides R. G. Swinney 2011-11-3 15996 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre 549 Comment
  RSA612306  Hedera canariensis L. C. Wheeler 1968-9-29 s.n. Los Angeles [San Gabriel Mountains]: Camp Bonita. Comment
  RSA0073120  Hedypnois cretica Mark L. Hoefs 1995-5-16 2016 Los Angeles Santa Catalina Island: Near Airport Road, just past road to Black Jack Campground. 454 Comment
  CAS-BOT-BC223984  Helianthemum scoparium Le Roy Abrams 1901-4-3 1278 Los Angeles Santa Monica Mts. Comment
  LA94382  Helianthemum scoparium James Lauter; 1953-5-7 sn Los Angeles Santa Monica Mountains, 1.1 mi and 1 block W Los Angeles, Beverly Glen and Mulholland Dr Comment
  RSA0085282  Helianthemum scoparium R. G. Swinney 2010-4-30 12467 Los Angeles near Sylmar, Wilson Canyon Park, ridgetop south of the southern of the two eastern forks of Wilson Cyn., 0.45 miles east of Wilson Debris Basin along old motorway 549 Comment
  RSA670434  Helianthemum scoparium var. vulgare I. W. Clokey, B. C. Templeton 1929-05 4490 Los Angeles Mandeville Canyon, Santa Monica Mountains. 250 Comment
  CDA6210  Helianthus angustifolius G. C. Fleischman 1951-10-3 Los Angeles Pasadena. 0 Comment
  IRVC28207  Helianthus annuus June Latting 1976-10-6 s.n. Los Angeles Mountain foothills/Mojave Desert: Bob's Gap and Valyermo Road Transverse Ranges, San Gabriel Mountains 1250 Comment
  UCR197230  Helianthus gracilentus Valerie Soza, Ileene Anderson, LeRoy Gross 2000-6-6 992 Los Angeles Verdugo Mountains, southwest side, along Verdugo Mtwy, east of junction with Stough Canyon Mtwy, above Stough and Wildwood canyons, west side of peak ''2642' 838 Comment
  SFV19107  Helianthus gracilentus M. Gary 2003-5-9 s. n. Los Angeles Verdugo Mountains La Tuna Canyon. Comment
  CAS-BOT-BC305791  Helianthus nuttallii Davidson; Greata 1901-9-1 s.n. Los Angeles East Los Angeles Comment
  POM369751  Heliotropium curassavicum var. oculatum Lester Rowntree 1929-7-5 s.n. Los Angeles Arroyo Seco Road Comment
  UCR130827  Heliotropium curassavicum var. oculatum David Charlton 1989-4-21 2893 Los Angeles Mojave Desert (W): Antelope Valley, Ave. 'B' between 120th and 140th St. East, just south of Edwards Air Force Base. 701 Comment
  UCD119428  Heliotropium curassavicum var. oculatum P. B. Kennedy 1927-7-13 s.n. Los Angeles Oceano. Comment
  RSA659827  Hemizonia clementina Orlando Mistretta, Kellogg, L. Arnseth, Peter L. Morrell 1992-4-4 122 Los Angeles San Clemente Island. Comment
  CDA7031  Hemizonia fasciculata A. C. Browne 1953-7-3 Los Angeles 3 miles south of Gorman. 0 Comment
  RSA702377  Hemizonia fasciculata Scott D. White, Pam De Vries 2004-5-18 10414 Los Angeles Eastern Santa Susana Mtns. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  POM29884  Hemizonia fasciculata Marcus E. Jones 1884-8-1 s.n. Los Angeles [Unspecified] Comment
  POM360267  Hemizonia fasciculata P. A. Munz 1934-5-7 12937 Los Angeles Culver City. Comment
  RSA527806  Hemizonia fasciculata Timothy S. Ross, Annette Ross 1991-6-3 5537 Los Angeles Elephant Hill: W Pomona 305 Comment
  RSA95065  Hemizonia pungens F. W. Peirson 1919-8-30 1351 Los Angeles Desert between Mojave and Lancaster. Comment
  SBBG126031  Herniaria hirsuta var. cinerea A. Parikh, N. Gale 2010-5-11 3150 Los Angeles 1.3 km S of Hwy 138, 0.2 km N of Ave E, 0.4 km W of power transmission lines 786 Comment
  UCR142551  Hesperocnide tenella L. C. Wheeler 1932-4-23 649 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 137 Comment
  CDA22262  Hesperocnide tenella L. C. Wheeler 1973-4-9 s.n. Los Angeles San Gabriel Mountains; San Gabriel Mountains: Lower Millard Canyon, just south of culvert.. . 0 Comment
  SEINET4118146  Hesperocnide tenella J. Mygatt, F. Starkey 1997-1 M- 97 -251 Los Angeles Catalina Island, end of the road to Renton Mine. 240 Comment
  LA82191  Hesperolinon micranthum O. H. Kappler; 1944-5-7 611 Los Angeles Santa Monica Mountains, Cold Creek, Monte Nido, N slope near fire station 182 Comment
  HSC79914  Hesperoyucca whipplei Philip A. Silverstone 1978-7-23 244 Los Angeles Santa Monica Mtns., Latigo Canyon Rd., 2.9 km inland from Hwy. 1 Comment
  SEINET12265285  Hesperoyucca whipplei B. C. Templeton 1930-1 1475 Los Angeles near Mulholland Dr, Santa Monica Mts 600 Comment
  HSC49070  Heteromeles arbutifolia Patricia Shesgreen 1978-6-17 102 Los Angeles Whittier Hills, 0.4 mi. E of Painter Ave., N side of Turnbull Canyon Rd. Comment
  RSA158298  Heteromeles arbutifolia Peter H. Raven 1962-4-10 17246 Los Angeles Gully to west side of island about 1.5 miles north of Thirst, San Clemente Island 457 Comment
  RSA0072410  Heteromeles arbutifolia Larry E. DeBuhr, Gary D. Wallace 1972-9-2 701 Los Angeles San Clemente Island: near top of first canyon south of Lemon Tank. 366 Comment
  RSA0074424  Heterotheca grandiflora L. C. Wheeler 1931-1-10 s.n. Los Angeles Base of San Gabriel Mountains at Claremont: Thompson Creek Dam. Comment
  SEINET13387028 Image available Heterotheca sessiliflora R. G. Swinney 2011-1 15938 Los Angeles San Gabriel Mountains: confluence of West Fk. San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. (Azusa 7.5' Q.) 634 Comment
  UCR212807  Heterotheca sessiliflora Ellen Mackey, Blake Whittington 2006-10-26 NFWF- 1850 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River near Rincon Ranger Station [off Hwy 39] 451 Comment
  UCR252753  Heterotheca sessiliflora subsp. fastigiata R. G. Swinney 2010-9-1 13655 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  RSA782544  Hirschfeldia incana R. G. Swinney 2009-4-13 10323 Los Angeles San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte 184 Comment
  RSA482863  Hirschfeldia incana L. C. Wheeler 1933-12-4 2345 Los Angeles San Dimas Dam; rocky side canyon above artificial lake 411 Comment
  SFV12024  Hirschfeldia incana D. L. Koutnik 1978-3-27 167 Los Angeles San Gabriel Valley Claremont. Johnson's Pasture in Live Oak Canyon drainage at north end of Mountain Avenue. 579 Comment
  UCR182821  Hoffmannseggia glauca R. E. Riefner Jr. 2006-7-8 06- 295 Los Angeles Southern Coast, Long Beach, Studebaker Road at 22 Freeway 6 Comment
  UCR147045  Holcus lanatus L. C. Wheeler 1973-7-15 s.n. Los Angeles San Gabriel Mtns, Graveyard Canyon, second side canyon 610 Comment
  SD69658  Holodiscus discolor Robert F. Thorne 1967-5-20 36905 Los Angeles Santa Catalina Island: along dry stream bed in Descanso Canyon ca. 1/4 way down from head at Airport Rd. to mouth 228 Comment
  UCR202740  Holodiscus microphyllus R. G. Swinney 2001-8-27 8091 Los Angeles San Gabriel Mtns., 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2305 Comment
  POM352508  Hordeum intercedens F. R. Fosberg 1931-4-22 4666 Los Angeles Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island. 200 Comment
  RSA618701  Hordeum intercedens Scott D. White 1998-5-22 6562 Los Angeles Castaic Lake area: Grasshopper Canyon. watershed, between I-5 Freeway / Old Ridge Route and the lake. 426 Comment
  PASA641  Hordeum murinum Sally Ellis 1939-4-4 Los Angeles Claremont Comment
  SBBG83260  Hordeum murinum M. Daily 1986-4-7 SCa-t- 4 Los Angeles Bird Rock Comment
  UCR219916  Hordeum murinum R. G. Swinney, Jane Strong 2009-4-21 10423 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
  SEINET10595760  Hordeum murinum Meryle B. Dunkle 1939-5-28 Dunkle 8108 Los Angeles On slopes, east side of Santa Barbara Island. Dominant plant on island. Comment
  CATA1186  Hordeum murinum subsp. glaucum Mark L. Hoefs 1995-5-30 2187 Los Angeles Santa Catalina Island: Near Ben Weston Road 30 Comment
  CDA2209  Hordeum murinum subsp. glaucum L. C. Wheeler 1973-5-12 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region; San Gabriel Mountains: Gould Mesa Picnic Ground. Comment
  RSA127854  Hordeum murinum subsp. glaucum P. H. Raven 1959-4-4 13973 Los Angeles Point Dume, near houses behind point. 21 Comment
  RSA188143  Hordeum murinum subsp. glaucum R. F. Thorne 1966-4-4 35796 Los Angeles Santa Catalina Island: Bird Rock, N of Isthmus Cove. 8 Comment
  RSA563031  Hordeum vulgare D. Charlton 1991-5-27 5301 Los Angeles Junction 90th and C St. west of Palmdale and south of Little Rock on road to Edwards AFB 945 Comment
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Jul 30 2014
  JEPS44509  Horkelia cuneata subsp. puberula Frank W. Peirson 1919-4-5 362 Los Angeles 1/4 mi below the mountains (Borders of Eaton Canyon); San Gabriel Mts., Eaton Canyon 365 Comment
  RSA0042671  Horkelia cuneata subsp. puberula Laura Moore 1999-4-10 014 Los Angeles Pitzer College, Claremont: Northwest section of Outback, across trail from small Quercus agrifolia. 350 Comment
  CAS-BOT-BC532283  Horkelia cuneata var. puberula George B. Grant; Walter Wheeler 1904-5-7 599 Los Angeles Southern California, Glendora Comment
  CAS-BOT-BC532289  Horkelia cuneata var. puberula Le Roy Abrams 1901-4-7 1423 Los Angeles Devil's Gate, near Pasadena Comment
  RSA13817  Horkelia rydbergii Victor Duran 1933-7-11 3517 Los Angeles Sulphur Spring, San Gabriel Mts. 1524 Comment
  PASA733  Hugelia virgata M. Stason 1930-5-8 Los Angeles Desert Near Lancaster Comment
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May 5 2021
  CAS-BOT-BC312623  Hulsea vestita subsp. vestita A. D. E. Elmer 1902-6-1 3700 Los Angeles Acton, Mt. Gleason Comment
  CDA7997  Hymenoclea salsola A. C. Browne 1954-5-9 Los Angeles Llano. 0 Comment
  LA105581  Hypochaeris glabra Barry A. Prigge; 1989-5-10 8705 Los Angeles Santa Monica Mountains, Point Dume, above Dume Cove 45 Comment
  LA202299  Ipomoea mutabilis Arthur C. Gibson; 2004-8-25 5057 Los Angeles Santa Monica Mountains, Pacific Coast Hwy, W of Topanga Canyon Blvd at Topanga Creek Comment
  RSA0082913  Isocoma Michael J. Moore, Hilda Flores Olvera, Helga Ochoterena, Ya Yang, Tommy Stoughton 2015-5-30 3133 Los Angeles Abalone Cove Reserve, Palos Verdes Nature Preserve. Along terrace overlooking the ocean. 21 Comment
  RSA0110555  Isocoma menziesii Steven A. Junak, Keri Kirkland 1997-11-15 SCa- 485 Los Angeles Santa Catalina Island: 1 mile NW of Cactus Peak, at E end of conspicuous limestone ridge. 387 Comment
  UC87268  Isocoma menziesii var. vernonioides K. Brandegee Sep 1883 Los Angeles Los Angeles Comment
  RSA593401  Isolepis cernua Steve Boyd, Orlando Mistretta 1996-5-23 8820 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  UCR99481  Isopyrum occidentale Steve Boyd, Lauren Raz 1997-3-26 9388 Los Angeles Liebre Mtns., Sierra Pelona Ridge, southern flank of Martindale Canyon near the northern end of Bouquet Canyon, south of upper end of reservoir along Forest Service Road 6N08 1396 Comment
  CATA3426  Jacaranda mimosifolia Tobias Nickel, Julia Parish, Jamie Choi, Stuart Olshevski 2017-4-12 002 Los Angeles Santa Catalina Island: Channel side; Hamilton Cove, intersection of Marde Cortez and Alta Vista 54 Comment
  LA200583  Juglans californica var. californica Jonathan Sauer; M. Zadny, J. Zadny 1969-3-17 4394 Los Angeles Comment
  UC1349382  Juglans californica var. californica E. L. Lioret June, 1944 8695 Los Angeles Glendora Comment
  UC34949  Juglans californica var. californica unknown Los Angeles Azusa Comment
  UCR143932  Juglans californica var. californica A. C. Sanders, Lee Jones 2004-11-7 29025 Los Angeles San Fernando Valley, 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 351 Comment
  RSA177696  Juncus acutus subsp. leopoldii Robert F. Thorne, Percy C. Everett 1965-5-11 34651 Los Angeles Santa Catalina Island. Small pond behind Cottonwood Dam in Cottonwood Canyon. 46 Comment
  UC1215249  Juncus ambiguus Peter H. Raven 1962-5-8 17594 Los Angeles s end Seal Cove; San Clemente Island 9 Comment
  UCR204827  Juncus balticus R. G. Swinney 2005-8-22 8507 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, lower Holcomb Canyon 1354 Comment
  RSA368153  Juncus bufonius Stone 1936-3-22 s.n. Los Angeles South Gate. Comment
  RSA628882  Juncus bufonius var. occidentalis L. C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: East Fork of Alder Creek off Big Tujunga. 1493 Comment
  RSA0022983  Juncus macrophyllus Duncan S. Bell, Caitlin Elam 2013-8-1 5572 Los Angeles Sheep Mountain Wilderness; south side of Prairie Fork; Pine Mountain Ridge; above Lupine Campground area and below Columbine Spring. 2031 Comment
  POM308901  Juncus rugulosus Kay H. Beach 1943-8-27 673 Los Angeles West side of the N Fork above Flume no. 5, San Dimas Experinemtal Forest Comment
  UCR209128  Juncus torreyi R. G. Swinney 2008-6-25 9102 Los Angeles San Gabriel Mountains, Glendora, Harrow Canyon Debris Basin, seep on north-central side 387 Comment
  RSA188239  Juncus xiphioides Robert F. Thorne, Percy C. Everett 1965-6-23 34955 Los Angeles Santa Catalina Island: lower portion of Middle Ranch Canyon 91 Comment
  CAS-BOT-BC80990  Juniperus californica A. D. E. Elmer 1902-6-1 3633 Los Angeles Palmdale Comment
  SBBG387  Juniperus californica J. M. Tucker 1946-10-18 1471 Los Angeles vicinity of Hwy 99, 3.9 mi S of Gorman Comment
  JEPS8725  Keckiella antirrhinoides Frank Peirson 1925-6-16 Los Angeles Pasadena Comment
  SBBG66496  Keckiella cordifolia M. N. Ackley -Aug-1927 Los Angeles near Glendale, Verdugo Hills 274 Comment
  RSA97667  Keckiella cordifolia R. M. Straw 1954-6-16 613 Los Angeles 0.5 mi. above ranger station, on old road in chaparral; Angeles Crest Hwy, San Gabriel Mountains. Comment
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Dec 11 2014
  UCR277416  Keckiella ternata R. G. Swinney 2010-8-23 13583 Los Angeles San Gabriel Mountains, Mt. Zion summit, between Hoegee Campground and Camp Sturtevant on the Mt. Zion Trail 1090 Comment
  UC1075817  Kochia scoparia Robert Townsend 1955-8-25 Los Angeles between Dominguez Wilmington (on Alameda St., ca. 150 yds. n. of Carson St. intersection, on R.R. right-of-way) Comment
  UC129433  Koeleria macrantha Geo. B. Grant Jun 15 1906-Jun 18 1906 Los Angeles summit of Mt. Wilson; San Gabriel Mts., summit of Mt. Wilson 1828 Comment
  UC147339  Koeleria macrantha H. M. Hall May, 1902 3253 Los Angeles San Fernando Hills Comment
  UCR223700  Koeleria macrantha R. G. Swinney 2009-6-24 11244 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  UCSB395  Koeleria macrantha Beach, Kay 1943-9-1 Los Angeles Browns Flat, San Dimas Experimental Forest, San Gabriel Mountains Comment
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Jul 10 2013
  SEINET12233904  Koelreuteria paniculata W. F. Wight 1907-1 1707 Los Angeles Los Angeles, Elysian Park Comment
  UCR281175  Krascheninnikovia lanata R. G. Swinney 2014-4-23 16181 Los Angeles San Gabriel Mountains, east of Valyermo, Holcomb Ridge, 0.18-0.32 miles north of Bob's Gap Rd., 1.04 air-miles west of Bob's Gap 1302 Comment
  UCR99482  Krascheninnikovia lanata Steve Boyd, Lauren Raz 1997-3-4 9158 Los Angeles Liebre Mtns., S base of Sierra Pelona ridge, east of Crown Valley and NW of Acton Canyon, just north of Sierra Highway c. 0.8 mi. east of Crown Valley Road. 927 Comment
  RSA710727  Lactuca serriola Valerie L. Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1347 Los Angeles La Tuna Canyon, along La Tuna Canyon Road. 427 Comment
  CAS-BOT-BC341493  Lagophylla ramosissima I. M. Johnston 1918-8-4 2112 Los Angeles Hills west of Pomona 304 Comment
  JEPS69284  Lamarckia aurea Julia A. Bettys 1929-4-29 Los Angeles near Los Angeles (Huntington Palisades); Huntington Palisades Comment
  SBBG128757  Lamarckia aurea M. L. Hoefs, R. Given 1992-4-16 1808 Los Angeles Wild Boar Gully 152 Comment
  JEPS63238  Lamium amplexicaule R. J. Dobbs 1926-4-29 Los Angeles near Los Angeles (Michilinda, nearer Pasadena); Michilinda Comment
  RSA592291  Lamium amplexicaule Louis C. Wheeler 1967-5-13 9538 Los Angeles San Gabriel Mountains. San Gabriel Canyon, Ward s Grove. 262 Comment
  UCR205532  Lantana camara A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36972 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
  CAS-BOT-BC338148  Lasthenia californica H. E. Hasse 1893-5-21 s.n. Los Angeles Acton Comment
  CAS-BOT-BC338152  Lasthenia californica Geo. B. Grant 1901-1-1 15627 Los Angeles Unspecified Comment
  POM361537  Lasthenia californica Ralph Hoffman 1930-4-13 s.n. Los Angeles Prisoner's Harbor, Santa Cruz Island. Comment
  RSA645621  Lasthenia californica Karen Kirtland 1993-4-10 s.n. Los Angeles Mojave Desert (western): lancaster, E of 10th St. East between Ave. F and G. 708 Comment
  UC53907  Lasthenia coronaria Ernest Braunton 1902-4-1 254 Los Angeles north Pomona Comment
  UC177497  Lasthenia coronaria Nuttall Los Angeles Gambell Angeles Comment
  UC55088  Lasthenia gracilis unknown 1903-4-23 5427 Los Angeles Saugus Comment
  UC1118962  Lasthenia gracilis A. D. Gifford 1935-3-6 446 Los Angeles 2.5 mi sw of Red Mtn; Tejon Quadrangle Comment
  UCR270638  Lathyrus vestitus R. G. Swinney 2011-3-22 14190 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  SD252331  Lathyrus vestitus Steven A. Junak 2000-4-15 Sca 1195 Los Angeles Santa Catalina Island: Upper Avalon Canyon, along E Summit Road, ca. 0.1 mile inland from gate at Wrigley Memorial. 305 Comment
  POM50626  Lathyrus vestitus subsp. laevicarpus L. R. Abrams 1901-4-3 1303 Los Angeles Santa Monica Mountains. Comment
  UC1234695  Lavatera assurgentiflora subsp. glabra Peter H. Raven 1962-4-11 17303 Los Angeles between Driggs and West Rock nw end San Clemente Island; nw end San Clemente Island, btw Driggs and West Rock 6 Comment
  RSA518031  Layia glandulosa Steve Boyd 1986-3-31 1527 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  RSA659956  Layia glandulosa Orlando Mistretta 1992-5-18 342 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  CAS-BOT-BC321503  Layia glandulosa Joseph Andorfer Ewan 1932-6-14 7389 Los Angeles Pine Ridge W of Mt. Pacifico, San Gabriel Mts. 1920 Comment
  POM361622  Layia glandulosa Anstruther Davidson 1890-4-13 s.n. Los Angeles Arroyo Comment
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Aug 9 2010
  RSA0083165  Layia platyglossa R. G. Swinney 2010-6-1 13129 Los Angeles lower Carson Mesa, 0.4 miles east of Angeles Forest Hwy., 0.4 miles NNE of Vincent. 994 Comment
  UC729799  Layia platyglossa Carl B. Wolf 1932-5-11 3551 Los Angeles w side Isthmus Harbor; Santa Catalina Island 15 Comment
  SEINET11562244  Lemna gibba I. W. Clokey, B. C. Templeton 1930-2-18 4630 Los Angeles La Brea pits Comment
  LA64421  Lepechinia fragrans Carl Epling; William Stewart June 1938 sn Los Angeles San Gabriel Mountains, Mt. Wilson Rd Comment
  RSA680078  Lepechinia fragrans Mark A. Elvin, Michael Wall, Scott Koukol, Sylvia Engstrom 1996-9-11 349 Los Angeles San Gabriel Mtns. Angeles National Forest. Glendora Ridge Rd. 7.3mi W of gate at Mt. Baldy Road. S side road on bank. Comment
  SBBG13580  Lepechinia fragrans P. H. Raven 1962-5-20 17788 Los Angeles upper end of Cape Cyn Rd just below Black Jack Mtn 396 Comment
  UC104294  Lepechinia fragrans Dr. A. Davidson Los Angeles near Wilsons Peak Comment
  CAS-BOT-BC88916  Lepidium densiflorum var. densiflorum C. W. Tilforth 1970-4-9 256 Los Angeles Rancho Santa Ana Botanic Garden, Claremont. Comment
  UCR94704  Lepidium dictyotum A. C. Sanders, E. J. Lott 1993-5-6 13941 Los Angeles Western Mojave Desert, 12 miles north of Palmdale, Sierra Hwy at Ave 'G', to 0.1 mi. NW of intersection 706 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
  SFV1481  Lepidium fremontii M. L. Vincent 1962-5-19 244 Los Angeles Mojave Desert 1 mile from Pearblossom on the road to Valyermo. Roadside. 1000 Comment
  RSA725076  Lepidium fremontii var. fremontii Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 86 -A Los Angeles Bob's Gap. At the south edge of Bob's Gap, on slopes and roadside, and down in the wash. 1444 Comment
  RSA177865  Lepidium lasiocarpum R. F. Thorne, P. Everett 1965-5-11 34594 Los Angeles Santa Catalina Island. N side of N cove of Little Harbor. 5 Comment
  SBBG98639  Lepidium lasiocarpum var. lasiocarpum T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5085 Los Angeles coastal terrace at West Cove, SW of new landing field 6 Comment
  POM202118  Lepidium nitidum P. A. Munz 1934-4-2 13138 Los Angeles Puddingstone Canyon, San Dimas. 304 Comment
  UCD115815  Lepidium nitidum A. C. Sanders 2003-3-14 25769 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. 520 Comment
  RSA177868  Lepidium nitidum R. F. Thorne, P. Everett 1965-5-11 34644 Los Angeles Along road to Rancho Escondito above Cottonwood Dam in Cottonwood Canyon, Santa Catalina Island. 107 Comment
  UC55212  Lepidium virginicum var. pubescens Jos. Burtt Davy 1901-1-25 Los Angeles Saugus Comment
  UC56737  Lepidium virginicum var. pubescens Geo. B. Grant 3469 Los Angeles Pasadena Comment
  CAS-BOT-BC329382  Lepidospartum latisquamum Marcus E. Jones 1924-9-10 s.n. Los Angeles Swartout Valley Comment
  RSA607922  Lepidospartum squamatum L. C. Wheeler 1961-6-13 7874 Los Angeles Pacoima Canyon near Dutch Louie Camp 716 Comment
  UCR210209  Lepidospartum squamatum R. G. Swinney 2008-8-14 9437 Los Angeles San Gabriel Mtns., confluence of Big Rock Creek and Fenner Canyon 1640 Comment
  RSA95033  Lepidospartum squamatum F. W. Peirson 1919-10-20 275 Los Angeles Brae Burn Road, Altadena. Comment
  RSA678918  Leptochloa fusca subsp. uninervia Julie Greene 1997-9-12 s.n. Los Angeles Intersection of Pacific Coast Highway/ Studebaker Rd., near Long Beach Marina. Salt marsh and seasonal freshwater wetland 5 Comment
  IRVC28765  Leptochloa uninervia A. C. Sanders, Mark Elvin 2002-8-7 25555 Los Angeles north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur Santa Clara River Valley 274 Comment
  UCR127393  Leptochloa uninervia A. C. Sanders, Mark Elvin 2002-8-7 25555 Los Angeles Santa Clara River Valley, north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur 274 Comment
  UC101900  Leptodactylon californicum Rev. J. C. Nevin Los Angeles Sierra Santa Monica Comment
  RSA653742  Leptodactylon californicum subsp. glandulosum Valerie L. Soza, LeRoy Gross, Adelina Munoz 2000-5-12 894 Los Angeles Verdugo Mountains, northwest side: Northwestern end of Verdugo Crestline Drive from New Home Avenue, Sunland. 457 Comment
  UCR189964  Leptodactylon pungens R. G. Swinney 1998-8-27 6827 Los Angeles San Gabriel Mtns., West Baldy Peak 3040 Comment
  UCR194035  Leptodactylon pungens R. G. Swinney 1998-9-7 6925 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, c. 1/4 mi. west of summit of Pine Mountain 2817 Comment
  HSC17078  Leptosiphon parviflorus C. S. Apperson 1967-6-11 Los Angeles 4 mi. up Haskell Cyn. Rd. off of Bouquet Cyn. Rd. Comment
  RSA0074219  Leptosiphon parviflorus J. Henrickson 1985-3-30 19768 Los Angeles Ca. 3 air miles nnw. of Newhall in proposed North Hills Development just n. of Santa Clara River and just e. of San Francisquito Creek. 370 Comment
  RSA584338  Leptosiphon pygmaeus subsp. pygmaeus T. S. Ross, Darin L. Banks 1994-4-12 7468 Los Angeles San Francisquito Canyon: westerly draw draining from ridge which divides S. Fr. Cyn from Dry Canyon; ca 630 m s of where Drinkwater Canyon joins S. Fr. Canyon. 518 Comment
  UCR269973  Leptosyne bigelovii R. G. Swinney 2010-6-1 13115 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
  SD80917  Leptosyne gigantea James Henrickson 1969-4-10 4210 Los Angeles 8 miles west of Malibu along Sandstone Cliff east of Pacific Coast highway at Zuma Beach. 3 Comment
  UCR209971  Lessingia filaginifolia R. G. Swinney 2008-9-9 9328 Los Angeles San Gabriel Mtns., Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  POM4671  Lessingia glandulifera var. glandulifera N. R. Shaw 1900-6-19 s.n. Los Angeles Claremont. Comment
  RSA643969  Lewisia rediviva V. W. Steinmann 1996-6-17 917 Los Angeles San Gabriel Mountains, ca. 1 km (by air) southwest of Mt. San Antonio, along Baldy Trail. 2850 Comment
  CAS-BOT-BC272300  Leymus X multiflorus Le Roy Abrams 1902-6-10 2506 Los Angeles Playa del Rey Comment
  CAS-BOT-BC283747  Leymus condensatus W. Griesel; B. Miller 1963-7-2 s.n. Los Angeles Old Grapevine, Angeles National Forest 914 Comment
  POM365313  Leymus condensatus George R. Johnstone 1934-5-20 s.n. Los Angeles Santa Catalina Island. Descanso Canon. Comment
  RSA377136  Lilium humboldtii subsp. ocellatum John P. Hill 1932-6-18 s.n. Los Angeles Verdugo Woodlands. Comment
  LA85758  Limonium perezii P. R. Atsatt; 1965-7-10 554 Los Angeles Santa Monica Mountains, Pacific Coast Hwy, 1.0 mi W of Topanga Canyon Rd Comment
  UC1873115  Limonium ramosissimum R. E. Riefner Jr. 2006-1-21 06 -8 Los Angeles City of Long Beach, Belmont Shores, Colorado Lagoon in vicinity of Park Ave. and Colorado St. 6 Comment
  PASA743  Linanthus aureus Stason 1930-5-18 Los Angeles Lovejoy Buttes Comment
  UC908577  Linanthus aureus Herbert L. Mason Los Angeles 30 mi w Victorville; Mohave Desert Comment
  POM346593  Linanthus californicus Barry Burnell 1969-5-22 136 Los Angeles San Antonio Canyon just below the narrows below Camp Baldy. San Antonio Creek Drainage Area. 1067 Comment
  RSA545771  Linanthus californicus L. Arnseth 1992-5-16 32 Los Angeles San Gabriel Mountains, San Antonio Canyon: Mt. Baldy Road, approx. 2 miles N of San Antonio Dam. 854 Comment
  SD107817  Linanthus dianthiflorus Larry DeBuhr 1977-4-16 2567 Los Angeles Santa Catalina Island; coastal bluffs around Little and Shark Harbors Comment
  RSA165263  Linanthus dianthiflorus subsp. dianthiflorus Mark Parratt 1963-4-26 526 Los Angeles Santa Catalina Island, Isthmus area. 183 Comment
  RSA599548  Linanthus parryae Steve Boyd, Lauren Raz 1997-4-16 9530 Los Angeles Liebre Mountains region: Northwest end of the range, Peace Valley due south of the junction of Interstate 5 and Highway 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service road 8N01. 960 Comment
  UCR180581  Linanthus parryae Scott D. White, Pam Devries 2006-5-10 11455 Los Angeles SE Tehachapi Mtns, Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Road 1098 Comment
  UCR204037  Linanthus parryae R. G. Swinney 2005-5-14 8231 Los Angeles San Gabriel Mountains, north of Juniper Hills, south of Pear Blossom, southeast corner of Tejon Road and Longview Road (131st Street) 1091 Comment
  UC1602144  Linanthus parviflorus A. D. Gifford 1935-4-15 586 Los Angeles 1.25 mi ne Quail; Tejon Quad. 1036 Comment
  UC23770  Linanthus parviflorus J. Burtt Davy May 9 1896-May 24 1896 2338 A Los Angeles near Fort Tejon; Antelope Valley Comment
  UC1563058  Linanthus parviflorus Steve Boyd and Orlando Mistretta 1986-3-31 1561 Los Angeles 4 mi e Highway 138 jct. with Highway 18, ne of Pinyon Hills (Highway 138); Mojave Desert Comment
  UCR178795  Lithophragma R. G. Swinney 1989-4-25 s.n. Los Angeles San Gabriel Mtns, in and near Glendora Wilderness Park, Big Dalton Canyon 442 Comment
  RSA562539  Lithophragma affine Steve Boyd, W. Appleby 1993-4-22 7987 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon 854 Comment
  UCD102697  Lithophragma affine Daryl Koutnik; John Cuti 1978-4-12 345 Los Angeles Northeastern Verdago Mountains near La Tuna Canyon. 609 Comment
  POM11823A  Lithophragma tenellum P. A. Munz 1922-5-30 5577 Los Angeles Head of Swartout Valley. 2195 Comment
  CHSC109285  Lobelia dunnii Scott D. White; Chris Huntley 2008-9-30 12544 Los Angeles San Gabriel Mountains: San Gabriel River-West fork between Bear Creek and Cogswell Dam. 610 Comment
  UCR190096  Lobelia dunnii R. G. Swinney 1998-7-30 6588 Los Angeles San Gabriel Mtns., lowest large waterfall in Spruce Canyon, a tributary from the west of San Antonio Canyon 976 Comment
  UC1143168  Lobelia dunnii var. serrata Jerome S. Horton 1937-10-14 501 Los Angeles Lewis Paul Canyon Falls, San Dimas Froest and Range Experiment Station, Lewis Paul Watershed Lewis Paul Canyon Falls; San Dimas Froest and Range Experiment Station 579 Comment
  RSA2058  Lobelia dunnii var. serrata Ernest Braunton 1928-09 1021 Los Angeles San Gabriel Canyon 610 Comment
  LA30867  Lobularia maritima Peter H. Raven; Jane Turner, Barbara Whitesel 1959-3-15 C 170 Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  UC1237991  Loeseliastrum matthewsii John Weiler and R. L. Taylor 1961-5-13 61117 Los Angeles 0.6 mi. n.w. Cajon R.R. station (along U.S. Hwy. 395) Comment
  SBBG31421  Logfia filaginoides R. F. Thorne 1966-4-5 35851 Los Angeles above stream in Cottonwood Cyn 106 Comment
  UC1109371  Lolium perenne Peter H. Raven 1962-5-8 17617 Los Angeles Wilson Cove San Clemente Island (barracks area); , Wilson Cove 91 Comment
  RSA637496  Lolium perenne subsp. multiflorum Valerie L. Soza, LeRoy Gross 1999-7-15 632 Los Angeles San Gabriel Mountains: Helispot off Mt. Wilson Trail, 2.7 miles from trailhead in Sierra Madre. 822 Comment
  RSA639568  Lolium perenne subsp. multiflorum L. C. Wheeler 1967-5-23 9677 Los Angeles San Gabriel Mountains: Ravine immediately southwest of mouth of Bear Canyon, off Soledad Canyon. 640 Comment
  UC61024  Lomatium dasycarpum subsp. dasycarpum unknown 1903-4-23 5443 Los Angeles Saugus Comment
  RSA725140  Lomatium mohavense Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -48 Los Angeles San Gabriel Mountains region: Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  SBBG59782  Lomatium nevadense R. Hoffmann 1929-5-21 Los Angeles Big Rock Crk Comment
  CATA2962  Lonicera hispidula Amy Catalano 2016-1-19 003 Los Angeles Santa Catalina Island: Southeastern edge of Big Field, behind old barbed wire fence along road 187 Comment
  UC184329  Lonicera interrupta A. D. E. Elmer June, 1902 3694 Los Angeles Acton Mt. Gleason Comment
  CAS-BOT-BC234874  Lonicera subspicata var. denudata Alice Eastwood 1915-8-25 4892 Los Angeles Country adjacent to Los Angeles. Duarte Comment
  RSA455373  Lonicera subspicata var. denudata Donald R. Bissing 1973-6-2 143 Los Angeles Evey Canyon, 0.2 mi from mouth of Canyon. 726 Comment
  UC1595332  Lonicera subspicata var. denudata Tim Ross, Orlando Mistretta 1992-7-24 6739 Los Angeles nne Strawberry Peak summit (between Coldwater and Wickiup Canyons); San Gabriel Mts. 987 Comment
  UCR65563  Lotus argophyllus var. adsurgens Aaron Liston, Et al. 1989-4-30 803 -2 Los Angeles Channel Islands, San Clemente IslandPyramid Head, S end of the island 15 Comment
  RSA167834  Lotus argophyllus var. ornithopus R. F. Thorne, P. C. Everett 1964-2-6 33279 Los Angeles Santa Catalina Island, W of Catalina Harbor at Isthmus. 15 Comment
  UCR124709  Lotus crassifolius B. C. Templeton 1932-6-19 4939 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2195 Comment
  POM50178  Lotus crassifolius var. crassifolius A. D. E. Elmer 1902-06 3697 Los Angeles Acton, Mt. Gleason. Comment
  UC216142  Lotus crassifolius var. crassifolius I. M. Johnston 1917-6-20 1495 Los Angeles Baldy Lookout San Antonio Mountains 2133 Comment
  RSA3594  Lotus dendroideus var. dendroideus C. B. Wolf 1932-5-13 3611 Los Angeles Santa Catalina Island. Lower end of Hamilton Canyon, at turn of road to airport. 30 Comment
  RSA603559  Lotus dendroideus var. dendroideus Sara L. Crockett 1997-4-2 653 Los Angeles Santa Catalina Island. 2.4 miles W along Empire Landing Road from jct. with Airport Road, 25 m S of road. 259 Comment
  RSA0056487  Lotus grandiflorus var. grandiflorus Orlando Mistretta, Oscar Dorado 1989-5-10 s.n. Los Angeles Transverse Ranges; Liebre Mountains region: Bouquet Canyon. Comment
  RSA639619  Lotus heermannii var. heermannii L. C. Wheeler 1967-5-23 9698 Los Angeles Near mouth of Bear Canyon, off Soledad Canyon. 579 Comment
  PASA1094  Lotus humistratus Frank W. Peirson 1919-5-11 Los Angeles Arraster Creek, San Gabriel Mts. 853 Comment
  RSA774961  Lotus humistratus R. G. Swinney 2009-4-29 10591 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  JEPS55500  Lotus micranthus Frank W. Peirson 1919-5-18 436 Los Angeles Monrovia Canyon San Gabriel Mountains 426 Comment
  RSA0059108  Lotus micranthus Ivan M. Johnston 1917-5-6 1277 Los Angeles Evey Canon. 914 Comment
  RSA191345  Lotus oblongifolius var. oblongifolius R. F. Thorne 1967-7-19 37136 Los Angeles San Gabriel Mountains, Angeles National Forest: Yucca Flats Summer Home Tract at upper end of Canyon of N Fork of San Gabriel River 1250 Comment
  RSA276708  Lotus oblongifolius var. oblongifolius Victor Duran 1933-7-22 3528 Los Angeles Buckhorn, San Gabriel Mountains 1981 Comment
  UC212489  Lotus oblongifolius var. oblongifolius I. Johnston 1917-5-13 Los Angeles El Monte 121 Comment
  UCR131380  Lotus purshianus Alison Lipman 1998-6-2 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
  UCR256223  Lotus purshianus R. G. Swinney 2010-6-4 13034 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
  UCR273026  Lotus purshianus var. purshianus F. R. Fosberg 1931-7-11 S- 4386 Los Angeles Channel Islands, Santa Catalina Island, mouth of Cape Canyon 200 Comment
  UCR259923  Lotus salsuginosus R. G. Swinney 2010-3-18 11978 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road 540 Comment
  RSA128253  Lotus scoparius H. J. Thompson 1959-10-23 1822 Los Angeles Point Dume. 30 Comment
  RSA709837  Lotus scoparius A. C. Sanders 2003-4-28 26087 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon. 427 Comment
  UCR117119  Lotus scoparius A. C. Sanders, D. Malueg 2001-5-17 24322 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned 122 Comment
  RSA596052  Lotus scoparius var. scoparius T. S. Ross, J. Mark Porter 1995-5-4 8422 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  RSA0076017  Lotus strigosus R. G. Swinney 2010-4-1 12129 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  UCR219470  Lotus strigosus R. G. Swinney 2009-3-31 10225 Los Angeles Transverse Range; San Gabriel Mtns., mouth of San Gabriel Canyon, 1.2 mi. north of Foothill Blvd, Azusa/Duarte 183 Comment
  POM11265  Lotus strigosus F. L. Robinson 1921-5-18 82 Los Angeles Claremont. 365 Comment
  RSA0041773  Lotus strigosus Mark L. Hoefs, Steven A. Junak, Lisa Stratton 1998-3-21 2806 Los Angeles Santa Catalina Island: HIllside above upper Cape Canyon. 359 Comment
  RSA600203  Lotus strigosus var. hirtellus Steve Boyd, Lauren Raz 1997-5-29 9917 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail, at point where trail crosses side drainage originating on ridge forming divide with Gookins Dry Lake. 1098 Comment
  RSA406258  Lotus unifoliolatus F. R. Fosberg 1930-7-3 451 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  RSA594401  Lotus unifoliolatus Steve Boyd, Lauren Raz 1996-10-14 9078 Los Angeles Liebre Mountains region, 'Cow Spring Pond', a sag pond along the San Andreas Fault at the north base of Liebre Mountain in Oakdale Canyon, just west of confluence of Cow Spring Canyon. 1159 Comment
  POM214390  Lotus wrangelianus L. C. Wheeler 1932-4-30 673 Los Angeles Near UCLA campus, W. Los Angeles. 137 Comment
  RSA603905  Lotus wrangelianus L. C. Wheeler 1975-6-8 s.n. Los Angeles San Gabriel Mountains: ca. 1 mile E of mouth of Little Tujunga Canyon. Comment
  UCR209433  Lotus wrangelianus Dan S. Cooper 2009-2-24 s.n. Los Angeles Santa Monica Mountains, Beverly Hills, near upper end of Laurel Way in lower Franklin Canyon 235 Comment
  UC1481364  Lupinus albifrons David B. Dunn 1957-4-2 RSA- 6450 -8292 Los Angeles Comment
  CAS-BOT-BC8508  Lupinus aliclementinus Reid Venable Moran 1941-2-18 587 Los Angeles San Clemente Island, Middle Ranch Creek Comment
  RSA656836  Lupinus andersonii Valerie L. Soza, Leland Lubinsky 2000-6-23 1029 Los Angeles San Gabriel Mountains: South Fork Little Rock Creek, SW Pinyon Flats, NE Alder Saddle. 1646 Comment
  RSA716912  Lupinus arbustus LeRoy Gross, Bruce Campbell 2006-6-29 2546 Los Angeles Forest Service Road Surveys: Blue Ridge Road (3N06), and Road (3N39). From near 34.33199N, 117.65379W top of Paririe Fork, east of Lupine Campground walk back to Angeles Crest Highway (2). Comment
  CATA3033  Lupinus bicolor Amy Catalano 2016-3-17 040 Los Angeles Santa Catalina Island: On west side ca. 0.5 miles down of second Old Hunting Road along Empire Landing Road between Airport Road and Sheep Chute Road 324 Comment
  LA200463  Lupinus bicolor Norman A. Cole; May 1964 366 Los Angeles Santa Monica Mountains, 6.3 mi. from 101 Alt. along Puima Road 579 Comment
  LA52462  Lupinus bicolor Carl Epling; March 1925 6042 Los Angeles Santa Monica Mountains, Griffith Park Comment
  RSA708679  Lupinus bicolor Valerie L. Soza, Miriam Sidibeh 2003-3-26 1610 Los Angeles Western San Rafael Hills: Ridge Motorway off Camino San Rafael, southwest of Emerald Isle Dr and Camino San Rafael junction, above Mayors Bicentennial Park. 579 Comment
  UC1871237  Lupinus bicolor T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4949 Los Angeles Transverse Ranges; Liebre Mountains region; Soledad Canyon Wash: about half mile E of Acton; T5N R13W, W1/2 SE1/4 SE1/4 section 36; elevation 2720 feet. 829 Comment
  UCR219464  Lupinus bicolor R. G. Swinney 2009-3-25 10152 Los Angeles San Gabriel Mtns. Foothills, far west end of Glendora Ridge Motorway on north side of road at boundary of El Encanto Azusa River Wilderness Park 549 Comment
  UCR265011  Lupinus bicolor Mitch Provance, Callen Huff 2009-4-28 10675 Los Angeles Tehachapi Mountians, Road on ridge overlooking Hwy I-5 about 0.5 miles NE of Gorman 1466 Comment
  HSC14794  Lupinus bicolor C. S. Apperson 1966-5-2 Los Angeles 9 mi. from Sierra Hwy. W on Ave. D Comment
  UC56418  Lupinus bicolor Ernest Braunton Feb. 1903 819 Los Angeles Elysian Hills Comment
  RSA0003371  Lupinus bicolor subsp. marginatus David B. Dunn, C. Epling 1946-4-19 2129 Los Angeles 0.9 mi S junction Hwys 99 & 138. 1067 Comment
  RSA151829  Lupinus bicolor subsp. microphyllus David B. Dunn 1941-3-29 938 Los Angeles In vacant lot among lush growth of Avena, 1 mile east of Pomona Comment
  RSA0098783  Lupinus concinnus R. G. Swinney 2011-6-1 14944 Los Angeles San Gabriel Mountains: Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy 1096 Comment
  SBBG113093  Lupinus concinnus S. A. Junak with M. L. Hoefs, S. Crockett 1997-3-27 SCa 362 Los Angeles Cape Cyn, along rd to Cape Cyn Reservoir, just SE of pump house at crk 304 Comment
  UC1871190  Lupinus concinnus var. agardhianus T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4831 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  RSA330795  Lupinus elatus Wayne E. Sawyer 1981-7-12 92 Los Angeles Junction of crest trail and trail to Crystal Lake area 0.15 miles S of Little Jimmy Spring 2302 Comment
  RSA41469  Lupinus elatus Robert Gustafson 1983-7-18 2786 Los Angeles Angeles Crest Hwy., Pine hollow 2134 Comment
  UCR276724  Lupinus elatus R. G. Swinney 2010-9-21 13858 Los Angeles San Gabriel Mountains, summit of Mt. Hawkins, at north end of Copter Ridge 2698 Comment
  UCSB22546  Lupinus elatus Wilken, Dieter 1968-7-9 Los Angeles Ridge south of Dawson Saddle; along trail to Throop Peak; San Gabriel Mtns. 2468 Comment
  RSA0021012  Lupinus excubitus Duncan S. Bell, Caitlin Elam 2013-7-11 5359 Los Angeles Sheep Mountain Wilderness; northeastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1997 Comment
  SEINET7047888 Image available Lupinus excubitus Steven R. Hill, Kate Kramer 2001-4-22 33336 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
  CAS-BOT-BC216652  Lupinus excubitus subsp. hallii John Thomas Howell 1930-5-12 4867 Los Angeles 10 miles from Acton on Mint Canyon Highway 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
  RSA11324  Lupinus excubitus var. hallii I. M. Johnston 1917-7-1 1444 Los Angeles near Brown's flat 1357 Comment
  SBBG98282  Lupinus formosus G. L. Moxley 1916-6-15 490 Los Angeles Santa Susana foothills Comment
  JEPS65164  Lupinus formosus Frank W. Peirson 1918-5-26 90 Los Angeles Henniger Flats 868 Comment
  SBBG45471  Lupinus formosus D. Emery 1955-4-28 Los Angeles rd to Big Pines from Hwy 138 Comment
  SBBG133411  Lupinus hirsutissimus S. A. Junak, J. Lambert 2005-3-1 Los Angeles N of Mosquito Cove Cyn 358 Comment
  SFV7337  Lupinus hirsutissimus T. Gordon, M. H. Grayum 1975-3-21 853 Los Angeles Santa Monica Mountains Along Mulholland Highway about 5 miles west of Malibu Canyon Road. 305 Comment
  UC450901  Lupinus hirsutissimus F. A. MacFadden 1931-3-15 41 E Los Angeles Tuna Canyon Verdugo Hills (Verdugo Hills); , Tuna Canyon 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
  RSA87140  Lupinus hirsutissimus F. W. Peirson 1920-3-28 86 Los Angeles Field at foot of Tujunga Canyon, west end of San Gabriel Mountains 441 Comment
  UC1178509  Lupinus hyacinthinus Peter Kamb June 1947 625 Los Angeles slopes above Pine Flats; San Gabriel Mts., slopes above Pine Flats 2133 Comment
  SEINET13387009 Image available Lupinus latifolius R. G. Swinney 2011-1 15376 Los Angeles San Gabriel Mountains: 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon (Chilao Flat 7.5' Q.) (T3N R12W S35) 1085 Comment
  RSA596453  Lupinus latifolius subsp. parishii R. G. Swinney 1989-5-31 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. Big Dalton Canyon Road, at Big Dalton Dam. 518 Comment
  SEINET6655428  Lupinus latifolius var. parishii Victor Duran 1933-7-21 3523 Los Angeles Buckhorn, San Gabriel Mts.; 0 1981 Comment
  RSA414843  Lupinus longifolius Robert L. Dressler 1949-6-19 900 Los Angeles Johnstone Peak, San Gabriel Mountains. 854 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
  SBBG3705  Lupinus microcarpus var. microcarpus R. Hoffmann 1925-5-16 Los Angeles Palmdale Comment
  OBI48497  Lupinus microcarpus var. microcarpus Rhonda Riggins 1982-4-16 1349 Los Angeles W edge Antelope Valley, Ca 198 3.1 mi W jct Co. Rd N2 5.6 mi W Gorman Post Rd and I5 Comment
  CAS-BOT-BC207242  Lupinus peirsonii Wesley O. Griesel 1962-6-27 s.n. Los Angeles Dawson Saddle, San Gabriel Mts. 2438 Comment
  SBBG67041  Lupinus sparsiflorus R. Hoffmann 1929-4-26 Los Angeles Soledad Cyn Comment
  UC199150  Lupinus sparsiflorus Geo. B. Grant 1904-5-10 731 -6173 Los Angeles Pasadena Comment
  UC81982  Lupinus sparsiflorus Katharine Brandegee May 1889 Los Angeles Saugus Comment
  UCR259905  Lupinus sparsiflorus R. G. Swinney 2010-3-16 11951 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  RSA133779  Lupinus succulentus H. J. Thompson 1959-4-12 1931 Los Angeles Santa Monica Mountains, 2 miles west of Las Virgenes Road, Mulholland Highway 305 Comment
  RSA414306  Lupinus succulentus Robert Gustafson 1981-4-29 2218 Los Angeles Ballona Wetlands, Area 1. Comment
  UCSB41784  Lupinus succulentus Dressler, Robert 1949-3-13 Los Angeles N of Athens Comment
  POM294753  Lupinus truncatus Lyman Benson 1945-5-11 11705 Los Angeles Canyon below Johnson's Pasture, Claremont. 549 Comment
  UCD109658  Lupinus truncatus Geoffrey Levin 1974-4-24 29 Los Angeles Wash (Blanchard Park), Pomona College, Claremont. San Gabriel Mts. 335 Comment
  RSA0110585  Luzula comosa R. G. Swinney 2011-7-29 15564 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  SD112067  Lycium californicum Betsy Carpenter, Linda Allen 1975-3-21 Los Angeles Santa Catalina Island, Little Harbor Comment
  SD251809  Lycium californicum M. B. Dunkle 1940-3-18 7418 Los Angeles Santa Barbara Island, west end. Comment
  RSA680075  Lyonothamnus floribundus Mark A. Elvin, Michael Wall, Jennifer Stone 1996-8-7 310 Los Angeles San Clemente Island. Conchulagua Canyon. [Canchalagua] In canyon floor. Shelf under a 25' cliff. [Longitude should be 118 deg. instead of 116 deg.] 213 Comment
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Mar 28 2014
  CAS-BOT-BC140180  Lyonothamnus floribundus subsp. aspleniifolius T. S. Brandegee 1894-8-25 s.n. Los Angeles San Clemente Island Comment
  UC167994  Lyonothamnus floribundus subsp. floribundus Katharine Brandegee May, 1889 Los Angeles Santa Catalina Island Comment
  LA88349  Madia elegans O. H. Kappler; 1941-7-21 338 Los Angeles Santa Monica Mountains, Las Trancas Rattlesnake canyon 365 Comment
  UCR101910  Madia elegans subsp. vernalis R. S. Woglum 1940-4-27 2681 a Los Angeles San Gabriel Mtns., Spring Hill; San Gabriel Mtns.; Angeles National Forest Comment
  UCR143071  Madia exigua F. R. Fosberg 1931-5-7 S- 4833 Los Angeles Channel Islands, Santa Catalina Island; Cottonwood Canyon, right/south fork 250 Comment
  SFV16071  Madia gracilis A. M. Orcino, A. Sutton 1994-5-18 32 Los Angeles Santa Monica Mountains Calabasas. Stunt High Trail, 1 mile east on Stunt Road from junction with Mulholland Highway. 796 Comment
  LA201931  Madia sativa Arthur C. Gibson; 2003-7-14 4418 Los Angeles 298 Comment
  RSA26371  Mahonia nevinii Reid V. Moran 1941-5-17 865 Los Angeles East of San Fernando 325 Comment
  SBBG17770  Malacothamnus clementinus P. H. Raven 1962-7-10 17977 Los Angeles cyn below Lemon Tank 243 Comment
  CAS-BOT-BC206212  Malacothamnus fasciculatus Vernon O. Bailey 1907-10-29 s.n. Los Angeles N. slope Santa Monica Mts. Comment
  UCR180038  Malacothamnus fasciculatus R. G. Swinney, Dave Larson 1996-8-7 5229 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, southern third of west half of Brown's Flat 1317 Comment
  RSA95326  Malacothamnus fasciculatus F. W. Peirson 1918-6-19 109 Los Angeles San Antonio Canyon Wash, south base of San Gabriel Mts. Comment
  CAS-BOT-BC206355  Malacothamnus fremontii Tim Ross; Steve Boyd 1994-5-25 7927 Los Angeles Hanging Basin ca 470 - 830 m W of Warm Springs Mtn summit, these collections from ca 600-800 m WSW of summit, Necktie Basin - Liebre Mountains 1075 Comment
  SFV12562  Malacothamnus fremontii M. H. Grayum, D. L. Koutnik 1977-11-25 892 Los Angeles San Gabriel Mountains Vicinity of Vasquez Rocks, near Agua Dulce. 671 Comment
  CAS-BOT-BC204196  Malacothamnus marrubioides Carl B. Wolf 1932-9-15 4082 Los Angeles Mint Canyon, 9 1/2 mi. above Saugus. Opposite Glenwood's Cafe on the Highway 457 Comment
  SBBG33761  Malacothamnus marrubioides V. Soza, S. Boyd 2002-4-10 1387 Los Angeles ridge above E fork of Haskell Cyn, ridge just W of Del Sur Ridge, ca. 2 mi NW along Coarse Gold Cyn fire road from Bouquet Cyn 655 Comment
  RSA0047913  Malacothrix californica R. G. Swinney 2010-5-12 12747 Los Angeles Soledad Canyon bottom, 2.2 miles west of Angeles Forest Hwy., 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m. to the east on the south side of West Carson Mesa Rd. 921 Comment
  RSA0112519  Malacothrix clevelandii Richard G. Swinney 2011-5-16 14749 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 1.18 mi at 73 degrees SE of Colby Ranch Rd. and FS Rd. 3N19 (along Big Tujunga Cyn.), c. 450 ENE of lodge in center of camp. 1375 Comment
  RSA733754  Malacothrix clevelandii R. G. Swinney 2000-5-28 7787 Los Angeles San Gabriel Mtns.: NE of Azusa, Rincon Redbox Road 2.1 mi. SW of Hwy 39 at Rincon Station; +/-1000. 732 Comment
  RSA233406  Malacothrix foliosa R. F. Thorne 1966-4-15 36009 Los Angeles San Clemente Island, rocky sea-bluff 1/2 mile SSE of Eel Point, SW side of island 3 Comment
  SBBG128208  Malacothrix foliosa M. G. Simpson, A. Russell, J. Dunn 2000-7-20 2193 Los Angeles W of NW Harbor, ca. 100 feet from intertidal zone 3 Comment
  SBBG43856  Malacothrix foliosa subsp. foliosa M. R. Benedict 1971-6-27 Los Angeles N end of runway, near Northwest Harbor Comment
  UCD134435  Malacothrix saxatilis Bill Wagner 1989-8-7 s.n. Los Angeles Northern Santa Monica Mountains, approximately 0.5 mile south of Hwy 101 on east and west sides of Kanan Road. Northeast of Ladyface. Comment
  UCR231389  Malacothrix saxatilis Dan S. Cooper 2011-10-5 1011- 124 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, upper Fern Canyon 231 Comment
  SFV4050  Malacothrix saxatilis R. L. Armacost 1960-10-29 1341 Los Angeles Santa Monica. Comment
  UCR273180  Malacothrix saxatilis var. tenuifolia R. G. Swinney 2011-5-6 14616 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
  UCSB36549  Malephora crocea Gustafson, Robert 1981-3-18 Los Angeles Ballona Wetlands, Area 3 Comment
  CAS-BOT-BC167867  Malosma laurina L. R. Abrams; I. L. Wiggins 1931-7-4 338 Los Angeles White's Landing, Santa Catalina Island Comment
  RSA611923  Malva parviflora Louis C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  UCR155934  Malva parviflora A. C. Sanders 2005-5-5 29895 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool 655 Comment
  UCD116679  Malva sylvestris Daryl Koutnik 1978-6-24 549 Los Angeles Way Hill along Gladstone Avenue, San Dimas. 304 Comment
  UCR125779  Manihot grahamii A. C. Sanders 2003-5-26 26837 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel 171 Comment
  UCR272694  Marah macrocarpa Reid Moran 1941-2-16 573 Los Angeles Channel Islands, Middle Ranch, Santa Catalina Island 500 Comment
  RSA233391  Marah macrocarpa R. F. Thorne 1966-4-15 s.n. Los Angeles San Clemente Island: 2/3 miles SSE of Eel Point (and N of seal Cove), SW side of island 30 Comment
  RSA584046  Marah macrocarpa var. macrocarpa T. S. Ross 1992-4-21 6222 a Los Angeles San Gabriel Mountains, Glendora Ridge Road: north margin of road pull-out ca 215 meters NW of Horse Canyon Saddle 1024 Comment
  RSA648999  Marrubium vulgare Scott Lowe 1991-5-12 27 Los Angeles San Gabriel River channel, about 600 m. north of San Gabriel River Parkway bridge, city of Pico Rivera. Comment
  RSA659441  Marrubium vulgare Monica Acosta 1998-5-26 30 Los Angeles Parking lot J at California State Polytechnic University(Cal Poly Pomona). 226 Comment
  RSA708809  Meconella denticulata Valerie L. Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1155 Los Angeles Ridgetop above McDonald Creek. 412 Comment
  UC1178663  Meconella denticulata Peter Kamb 1947-5-25 536 Los Angeles near Sunset Ridge Guard station; San Gabriel Mtns, Millard Canyon 670 Comment
  RSA749113  Medicago lupulina R. G. Swinney 2005-8-9 8418 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  RSA3482  Medicago polymorpha Carl B. Wolf 1932-5-9 3425 Los Angeles Near the Bathhouse Avalon 8 Comment
  SBBG95230  Medicago sativa M. B. Dunkle 1928-4-13 1863 Los Angeles Renton Mine Rd Comment
  POM2399  Medicago sativa D. L. Crawford 1915-6-30 s.n. Los Angeles Mts above Claremont 1524 Comment
  UCR115334  Melaleuca citrina A. C. Sanders 1988-2-18 7686 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar. Blvd. 30 Comment
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Jun 5 2006
  UCR205627  Melaleuca citrina A. C. Sanders, T. B. Salvato 2009-5-19 36840 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines adjacent to Kaiser Hospital north of corner of Paramount Blvd. and N Montebello Blvd. 117 Comment
  SFV21024  Melia azedarach L. Gross 2002-3-31 502 Los Angeles San Fernando Valley Big Tujunga Wash where the storm waters run down through Haines Canyon channel, east of Foothill Blvd. South side of wash. 366 Comment
  CAS-BOT-BC281525  Melica imperfecta I. M. Johnston 1918-6-2 2020 Los Angeles San Antonio Mts. Evey Canon 914 Comment
  RSA654641  Melica imperfecta Fred Brooks, P. Sobkowiak 1988-4-23 18 Los Angeles San Antonio Canyon, [San Gabriel Mountains] below the first tunnel 915 Comment
  UC284728  Melica imperfecta P. A. Munz 1923-4-8 6621 Los Angeles w side San Clemente Island Comment
  UCR43954  Melica imperfecta B. A. Prigge 1986-3-29 7158 Los Angeles San Gabriel Mountains, E of Red Rover Mine Rd. X Antelope Valley Freeway on Escondito Canyon Rd 915 Comment
  RSA0034973  Melica imperfecta Katherine Kneen 1933-5-20 s.n. Los Angeles Stone Canyon, Santa Monica Mts., [Could be Ventura County?] Comment
  UCR197123  Melilotus indicus LeRoy Gross 2007-3-13 2601 Los Angeles Transverse Ranges; Verdugo Mountains, southern side of the range. Stough Canyon, northwest of the the nature center along canyon bottom at juction of a spring and creek flowing from the northeast 496 Comment
  RSA12405  Melilotus indicus Carl B. Wolf 1934-4-11 5618 Los Angeles Bryant Ranch, E of Long Beach, 180 ft. east of center of sec. and 150 ft. south of line of SE1/4. 5 Comment
  RSA659817  Melilotus indicus Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-4 112 Los Angeles San Clemente Island. Comment
  RSA669698  Melinis repens LeRoy Gross, Naomi Fraga, Bill Hogshead 2002-3-21 499 Los Angeles Southwest side; South of La Tuna Canyon Road, at end of Morning Glow Way. Slope on west side of Chandler Canyon., Near 34?13' 36.2''N 118?20' 34.9''W 449 Comment
  UCR220261  Mentzelia R. G. Swinney 2009-4-28 10503 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  UCSB72213  Mentzelia affinis Blakley, E. 1958-5-9 Los Angeles Hills 2 miles east of Gorman 1097 Comment
  RSA440346  Mentzelia affinis Tom Burch 1940-3-9 s.n. Los Angeles Redondo Beach. 0 Comment
  SD113282  Mentzelia affinis D. F. Howe 1959-5-3 2716 Los Angeles 15 miles west of Lancaster Comment
  UCR276822  Mentzelia congesta R. G. Swinney 2010-5-21 12881 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
  UCR271240  Mentzelia dispersa R. G. Swinney 2011-6-1 14976 Los Angeles San Gabriel Mountains, north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes 1256 Comment
  RSA679292  Mentzelia laevicaulis Mark A. Elvin, Anne Marie Ruff 1996-8-1 296 -C Los Angeles San Gabriel Mtns. Angeles National Forest. Glendora Ridge Road. 1.5mi from gate. Along road cuts on N side. Comment
  RSA191348  Mentzelia laevicaulis Robert F. Thorne, M. Z. Thorne 1967-7-19 37151 Los Angeles Angeles National Forest: Crystal Lake Recreation area, just above junction of roads to Crystal Lake and Angeles Crest Hwy. 1555 Comment
  CATA1997  Mentzelia micrantha Steven A. Junak, Mark Hoefs 1997-6-4 410 Los Angeles Santa Catalina Island: W end of Empire Landing rock quarry site, on E side of small canyon 36 Comment
  SBBG33680  Mentzelia micrantha V. Soza, S. Boyd 2002-4-10 1390 Los Angeles ridge above E fork of Haskell Cyn, ridge just W of Del Sur Ridge, approx 2 mi NW along Coarse Gold Cyn fire rd from Bouquet Cyn. 655 Comment
  SD69646  Mentzelia micrantha Robert F. Thorne 1966-6-1 36470 Los Angeles Santa Catalina Island; near base of rocky east-facing bluff opposite Pebbly Beach terminal. 7 Comment
  RSA609060  Mentzelia micrantha Louis C. Wheeler 1931-4-8 s.n. Los Angeles San Gabriel Mountains: San Dimas Canyon.. 610 Comment
  RSA69572  Mentzelia micrantha F. W. Peirson 1919-5-14 2302 Los Angeles East trail to Mount Lowe. 1067 Comment
  UCR221907  Mentzelia ravenii R. G. Swinney 2009-4-28 10520 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  RSA585152  Mentzelia veatchiana Tim S. Ross, Steve D. Boyd 1990-5-31 2737 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  RSA446794  Mentzelia veatchiana Cameron Blake, Jane Turner, Francis M. Ball 1962-6-2 959 Los Angeles Roadside, Angeles Crest Hwy. ca. 4 mi. S of jct. with US Hwy. 6 1220 Comment
  UC1234698  Mesembryanthemum crystallinum Peter H. Raven 1962-7-11 18008 Los Angeles 1 mi s of Wilson Cove (San Clemente Island); San Clemente Island Comment
  RSA668465  Mesembryanthemum nodiflorum Marcus E. Jones 1926-9-9 s.n. Los Angeles San Clemente Island. Comment
  UC1605453  Micropus californicus var. californicus Tim Ross, Janet Takara, and Stacey Otte 1993-4-24 6962 Los Angeles lower Bouchette Canyon draining ne-ward to Johnsons Landing (w end of island beyond isthmus); Santa Catalina Island, Santa Catalina West USGS 7.5' quad 91 Comment
  RSA590338  Microseris lindleyi Timothy S. Ross 1993-4-21 6855 Los Angeles Santa Catalina Island, SW part of the Island in the vicinity of Cactus Peak (1560ft), slope and small ridges N of Cactus Peak summit 427 Comment
  RSA595933  Microseris lindleyi L. C. Wheeler 1967-5-9 9385 Los Angeles Aliso Canyon, east of Acton, ca. 1 mile downstream from Wagon Wheel Ranch. 1067 Comment
  RSA527757  Microseris lindleyi Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-8 4326 a Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  RSA535305  Microseris lindleyi Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5318 Los Angeles San Clemente Island: W side, terrace flats betw Box and Horse Canyons, area having burned within previous two years 488 Comment
  RSA618782  Microseris lindleyi L. C. Wheeler 1973-4-20 s.n. Los Angeles Aliso Canyon approximately 1/2 mile east of Blum Ranch 945 Comment
  SEINET6043913  Microsteris gracilis Unknown Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  RSA660468  Mimulus aurantiacus Mary C. Hunter 1994-5-28 30 Los Angeles Off Angeles Crest Hwy, West of highway heading North; Road marked 2931; Pasadena 61 Comment
  UCD122224  Mimulus aurantiacus Marc Meyer; Mike Alvord 1993-5-1 22 Los Angeles San Gabriel Mts., Chatsworth, at end of Desoto Ave. by 118 Fwy. 400 Comment
  UCR194745  Mimulus aurantiacus Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 714 Los Angeles Transverse Ranges; Verdugo Mountains, Verdugo Mountains, north side; 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. Area burned in August 1999 518 Comment
  RSA0045479  Mimulus aurantiacus Jami Liberi 1983-5-1 29 Los Angeles Located in Claremont, across the street from the San Antonio Dam. 640 Comment
  POM73  Mimulus aurantiacus var. pubescens L. R. Abrams 1913-7-18 5020 Los Angeles Russel Lake. Comment
  POM8131  Mimulus aurantiacus var. pubescens Fordyce Grinnell Jr. 1917-4-3 s.n. Los Angeles Hills near Chatsworth Park. Comment
  UC1063446  Mimulus aurantiacus var. pubescens Jerome S. Horton 1936-5-21 338 Los Angeles San Dimas Canyon Park San Dimas watershed Comment
  UCR260800  Mimulus aurantiacus var. pubescens R. G. Swinney 2010-8-9 13468 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport 1037 Comment
  RSA654032  Mimulus brevipes Valerie L. Soza, Laura Moore 2000-5-10 855 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines to peak ''1936''. 579 Comment
  UC886128  Mimulus cardinalis Ezra C. Knopf 136 Los Angeles Santa Catalina Island Comment
  UCR210254  Mimulus cardinalis R. G. Swinney 2008-8-13 9365 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  RSA0108847  Mimulus guttatus R. G. Swinney 2010-6-1 13146 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
  SBBG98516  Mimulus guttatus T. Ross 1991-5-23 5487 Los Angeles lower Tota Cyn 60 Comment
  POM220010  Mimulus guttatus F. R. Fosberg 1932-5-7 8146 Los Angeles Santa Catalina Island. Grand Can[yon] below Falls. 100 Comment
  POM308417  Mimulus guttatus Henry J. Ramsey, Henry J. Ramsey 1937-7-18 3103 Los Angeles Soldier's Creek, San Gabriel Mountains Comment
  POM19081  Mimulus johnstonii P. A. Munz 1923-5-27 6882 Los Angeles Big Rock Creek; San Gabriel Mts 1296 Comment
  RSA611848  Mimulus latidens Steve Boyd, Valerie Soza 1998-4-28 10164 Los Angeles Liebre Mountains region: Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon. 537 Comment
  POM19082  Mimulus rubellus P. A. Munz 1923-5-26 6843 Los Angeles head of Vincent Gulch. 2012 Comment
  SBBG17879  Mirabilis californica P. H. Raven 1962-4-9 17174 Los Angeles Wilson Cove 60 Comment
  RSA0083313  Mirabilis laevis R. G. Swinney 2010-3-22 12027 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  SEINET10478629  Mirabilis laevis Jon Ricketson, Heidi H. Schmidt; Janet Takara 1992-10-20 Ricketson 4800 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
  RSA187976  Mirabilis laevis var. crassifolia Robert F. Thorne 1966-4-4 35763 Los Angeles Santa Catalina Island: Bluff SE of Ballast Point and Catalina Harbor, Isthmus 61 Comment
  RSA464657  Mirabilis laevis var. crassifolia Tom Burch 1940-3-15 s.n. Los Angeles Santa Susana Pass, near Chatsworth. 610 Comment
  UCR281407  Mirabilis laevis var. villosa R. G. Swinney 2014-4-30 16298 Los Angeles San Gabriel Mountains, 3.8-4.0 miles south of Hwy. 138, c. 100 meters west of Largo Vista Road toward ridge 1387 Comment
  RSA0119031  Mirabilis multiflora var. pubescens Michael Honer 2007-4-24 2526 Los Angeles Tehachapi Mnts Foothills: east end of Oso Canyon c. 1.5 mi north of Hwy 138. 976 Comment
  CAS-BOT-BC434878  Mirabilis multiflora var. pubescens Ynez Whilton Winblad 1941-6-4 s.n. Los Angeles Antelope Valley Comment
  RSA434972  Modiola caroliniana Anstruther Davidson 1892-07 s.n. Los Angeles Acton Comment
  RSA0070133  Monardella breweri subsp. breweri Orlando Mistretta, Christine Mistretta 1982 Los Angeles Saddleback Butte State Park. 824 Comment
  RSA552479  Monardella breweri subsp. breweri D. Charlton 1991-6-23 5448 Los Angeles Devils Punchbowl Rd.. near State Park border, Sand Rock Creek, Mt. Williamson Drainage, Pleasant View Ridge desert foothills of the San Gabriel Mtns. 1341 Comment
  UCR252554  Monardella breweri subsp. lanceolata R. G. Swinney 2010-6-21 13249 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 671 Comment
  RSA408578  Monardella exilis Dana Krempels 1981-5-2 43 -DK Los Angeles West Mojave desert; amoung Buttes. +/-2 miles WSW of Alpine Bute. +/-1.5 miles north of road O. 762 Comment
  RSA0003924  Monardella lanceolata var. glandulifera I. M. Johnston 1918-9-1 2139 Los Angeles San Antonio Mountains: Browns Flat 1311 Comment
  LA54255  Monardella saxicola Louis Wheeler; 1932-7-2 896 Los Angeles San Gabriel Mountains, Brown Flat-Fern Canyon water trail 1310 Comment
  CAS-BOT-BC349493  Monolopia lanceolata Le Roy Abrams 1901-4-4 1317 Los Angeles Santa Monica Mts. bordering San Fernando Valley Comment
  RSA252940  Monoptilon bellidiforme R. F. Thorne, Gary D. Wallace 1973-4-24 43433 Los Angeles Ft. Tejon Road near junction with Longview Road, c. 3 mi S of Pearblossom Road 1067 Comment
  SD230266  Mucronea californica Louis C. Wheeler 1946-8-30 6326 Los Angeles West of Baldwin park: Albarnes Station, east side San Gabriel Wash, just north of Valley Blvd. Comment
  SEINET3133940  Mucronea californica L. Abrams 1902-6-10 2507 Los Angeles Playa del Ray Comment
  RSA150658  Muhlenbergia appressa P. H. Raven 1962-5-8 17603 Los Angeles San Clemente Island: second canyon south of Seal Cove 30 Comment
  RSA536060  Muhlenbergia appressa Timothy S. Ross 1991-5-21 5382 Los Angeles San Clemente Island, upper easterly branch of Box Canyon 473 Comment
  SD85123  Muhlenbergia microsperma E. R. Blakley 1963-12-7 6327 Los Angeles rock crevices on south slope, west of Pyramid Head, south of Lighthouse, San Clemente Island 38 Comment
  UC60838  Muhlenbergia microsperma Dr. A. Davidson Los Angeles Los Angeles Comment
  UCR204441  Muhlenbergia microsperma R. G. Swinney 2005-4-9 8210 Los Angeles San Gabriel Mtns., San Dimas, Sycamore Canyon 518 Comment
  SEINET10827803  Muhlenbergia microsperma LeRoy R. Abrams 1903-3-11 Abrams 3111 Los Angeles Sepulveda canyon, Santa Monica Mts. Comment
  UCR256208  Muhlenbergia richardsonis R. G. Swinney 2010-10-13 14045 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  POM11634  Muilla maritima Philip A. Munz 1921-6-18 4631 Los Angeles Head of Swartout Valley. 2287 Comment
  CAS-BOT-BC515096  Muilla maritima Le Roy Abrams 1901-4-6 1384 Los Angeles Big Tujunga Wash Comment
  CAS-BOT-BC327740  Munzothamnus blairii Steven A. Junak 1996-7-24 SCI- 650 Los Angeles San Clemente Island. Box Canyon, ca 1.2 miles inland from beach 228 Comment
  CDA8832  Munzothamnus blairii T. Niehaus, W. Roderick 1965-4-2 390 Los Angeles Lemon Tank Canyon, San Clemente Island. Comment
  OBI12284  Myoporum laetum Unknown 1960-5-29 s.n. Los Angeles Pierce College campus, Canoga Park 244 Comment
  RSA0010801  Myoporum laetum Robert Gustafson 1981-2-4 2095 Los Angeles Ballona Wetlands, southwestern section of Area 1. Comment
  UCR99509  Narcissus papyraceus Steve Boyd, T. S. Ross, Lauren Raz, Dylan Hannon 1997-2-11 9127 Los Angeles Liebre Mtns., Along Old Ridge Route north of Templin Hwy and west of the confluence of Castaic Creek and Fish Creek 957 Comment
  UCD87403  Nassella cernua A. A. Beetle 1942-4-24 3217 Los Angeles Rt. 6, 5 miles south of Saugus. Comment
  UCD88076  Nassella cernua R. Tofsrud 1950-5-1 s.n. Los Angeles 1 mile S of Fairmont, Hwy. 138. Comment
Read comments
Jun 25 2014
  CAS-BOT-BC60409  Nasturtium officinale Wesley O. Griesel 1961-6-10 s.n. Los Angeles Devil's Gate Dam. 457 Comment
  RSA614282  Navarretia atractyloides L. C. Wheeler 1932-6-4 804 Los Angeles Live Oak Canyon 518 Comment
  LA206704  Navarretia hamata W. R. Ernst; May 1948 sn Los Angeles lower San Gabriel canyon Comment
  RSA421312  Nemophila menziesii Ora M. Clark 1929-3-30 1896 Los Angeles W. of Lancaster Comment
  UCR190419  Nemophila menziesii R. G. Swinney 2001-4-18 7892 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, ridge top c. 500 m east of south end of Bobs Gap 1311 Comment
  RSA421322  Nemophila menziesii Robert M. Perkins 1933-3-31 57 Los Angeles Playa del Rey. Comment
  RSA609074  Nemophila menziesii var. menziesii Louis C. Wheeler 1932-3-28 776 Los Angeles Cascade Canyon off San Antonio Canyon. 1113 Comment
  SBBG117923  Nemophila menziesii var. menziesii Mrs. C. E. Thurber 1891-4-29 Los Angeles Alhambra Comment
  CAS-BOT-BC349860  Nicolletia occidentalis Timothy S. Ross; J. Mark Porter 1994-5-1 7613 b Los Angeles Southwestern Mojave Desert: open desert ca 3950 m NNE of Moody Springs and 2620 m W of the L.A./San Bern. County line 874 Comment
  RSA555188  Nicotiana attenuata Robert F. Thorne, M. Z. Thorne 1969-7-10 38373 Los Angeles Angeles National Forest: Blue Ridge, Holiday Hill 2439 Comment
  RSA0060115  Nicotiana clevelandii F. W. Peirson 1091 Los Angeles Ballona, coast of Los Angeles Co. Comment
  POM305054  Nicotiana glauca Henry J. Ramsey, Henry J. Ramsey 1937-1-2 366 Los Angeles Altadena. 396 Comment
  UC26171  Nicotiana glauca Harley P. Chandler 1897-5-21 Los Angeles Claremont 365 Comment
  RSA748151  Nicotiana quadrivalvis Justin M. Wood 2009-4-7 468 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  SEINET12856150  Nicotiana quadrivalvis H. M. Hall 1905-1 300 Los Angeles plants collected from Botanical Gardens at UC Berkeley from seeds collected from San Francisquito Creek Comment
  RSA69944  Nitrophila occidentalis F. W. Peirson 1924-10-19 5229 Los Angeles Clearwater. Comment
  SBBG65253  Nitrophila occidentalis S. W. Hutchinson -May-1930 1153 Los Angeles near Lancaster 701 Comment
  LA211135  Oenothera xenogaura Arthur C. Gibson; 2005-10-13 5289 Los Angeles SANTA MONICA MOUNTAINS, Liberty Canyon. Just inside fence along service road near departure of nature trail. Comment
  SEINET9037797 Image available Opuntia M. A. Baker, Michelle Cloud-Hughes 2015-1 18410 Los Angeles Claremont, 100m south of the SE base of Indian Hill 409 Comment
  RSA0116851  Opuntia phaeacantha R. G. Swinney 2010-6-1 13087 C Los Angeles San Gabriel Mountains; Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1067 Comment
  UCR209505  Opuntia phaeacantha R. G. Swinney 2008-6-9 9018 Los Angeles San Gabriel Mountains, Paradise Springs (Big Rock Creek Camp), 100 m west of campground on north bank of Big Rock Creek 1427 Comment
  SEINET3840528  Orcuttia californica A. A. Beetle 1946-1 Los Angeles Los Angeles Comment
  RSA452103  Oreonana vestita L. E. Hoffman 1932-8-21 s.n. Los Angeles Mt. Baldy, Angeles National Forest, [San Gabriel Mountains]. 3049 Comment
  RSA0076173  Orobanche bulbosa Timothy S. Ross, Steve Boyd 1990-5-17 2549 Los Angeles North Fork Mill Creek: along Forest Service Road 3N27, 7.8 road miles N of Big Tujunga Canyon Rd, ca. 430 m SSW of Plane Triangulation Point (4240 ft). 1264 Comment
  RSA0076162  Orobanche bulbosa Timothy Ross, Orlando Mistretta 1993-5-26 7301 Los Angeles W end of the San Gabriel Mts.: southerly slope off the main E/W divide about midway between Wilson Canyon Saddle and May Canyon Saddle (drainage to Wilson Canyon and Sylmar). 993 Comment
  UC537982  Orobanche fasciculata I. M. Johnston 1917-7-28 Los Angeles San Antonio Mountans. N. Fork, San Antonio Canyon. Comment
  RSA0025161  Osmorhiza berteroi Jane Tirrell 2012-6-19 LS 0073 Los Angeles Lily Spring; downslope from Pacific Crest Trail, approximately 0.5 mile northwest of Mt. Hawkins. 2481 Comment
  CLARK-A1528-3925  Oxalis albicans subsp. pilosa John C. Roos 1937-9-2 520 Los Angeles Redondo Beach Comment
  OBI54401  Oxalis corniculata Steve Morgan 1974-5-1 92 Los Angeles 1212 E. Las Tunas Dr, San Gabriel Comment
  SD138618  Oxalis corniculata Steven A. Junak 1985-5-14 SCI 56 Los Angeles San Clemente Island; Wilson Cove, along road to pier. 29 Comment
  SEINET920555  Oxalis corniculata Wesley O. Griesel 1961-1 s.n. Los Angeles La Canada. 457 Comment
  RSA670306  Oxalis pes-caprae Joseph M. Keefe 2001-3-19 31182 Los Angeles San Rafael Mountains. 2 meters north of Glenoaks Boulevard, 60 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, CA 91208. 476 Comment
  UCR178798  Oxalis pes-caprae R. G. Swinney 1989-4-1 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park ; Big Dalton Canyon 428 Comment
  UCR227663  Oxalis pes-caprae R. F. Thorne 1973-3-14 42655 Los Angeles Transverse Ranges; San Gabriel Mountains, San Dimas Canyon near its mouth 473 Comment
  RSA594795  Oxytheca trilobata Steve Boyd, Lauren Raz 1996-10-29 9099 Los Angeles Liebre Mountains region, western end of Sawmill Mountain in saddle with Liebre Mountain at the head of the North Fork Fish Canyon, along Forest Service Road 7N23, ca. 0.6 miles east of junction with 7N19, the road to Atmore Meadows. 1476 Comment
  UCR223234  Oxytheca trilobata R. G. Swinney 2009-5-27 10878 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  CAS-BOT-BC121173  Paeonia californica Marion L. Campbell 1921-3-28 140 Los Angeles Los Angeles Comment
  LA32243  Paeonia californica Peter H. Raven; Henry J. Thompson 1959-5-5 14130 Los Angeles Santa Monica Mountains, Mulholland Hwy, 1 mi W of Las Virgenes Rd (N1) 335 Comment
  SBBG71677  Paeonia californica M. N. Ackley -Mar-1927 Los Angeles Big Tujunga Crk Comment
  SEINET3821237 Image available Palmerella debilis var. serrata Victor Duran 1933-8-12 3548 Los Angeles South fork Big Rock Creek, San Gabriel Mountains 1524 Comment
  RSA248855  Parapholis incurva R. F. Thorne 1973-4-12 42887 Los Angeles San Clemente Island, plateau near Cutlass above old dam. 198 Comment
  UC120528  Parapholis incurva T. S. Brandegee 1890-5-20 54 Los Angeles Santa Catalina Island Comment
  POM50187  Parietaria hespera L. R. Abrams 1901-04 1349 Los Angeles Chatsworth Park. Comment
  CATA397  Parietaria hespera var. hespera Mark L. Hoefs, A. Douglas Propst 1974-5-10 466 Los Angeles Santa Catalina Island: Upper Fern Canyon 335 Comment
  CDA2804  Parietaria judaica H. Graeter 1948-10-31 Los Angeles 155 Landers Street, Los Angeles 0 Comment
  RSA714589  Parthenocissus vitacea A. C. Sanders, Mark A. Elvin 2002-8-26 25588 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed: 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' 305 Comment
  CLARK-A1528-4790  Paspalum dilatatum John C. Roos 1947-5-11 3605 Los Angeles Los Angeles Comment
  SBBG128065  Paspalum dilatatum M. L. Hoefs, S. A. Junak 1996-7-9 2720 Los Angeles Middle Ranch Reservoir, Middle Cyn 201 Comment
  SEINET10734589  Passiflora morifolia S. Krosnick 2008-7-27 Krosnick 578 Los Angeles In cultivation at RSABG greenhouses. Material obtained from Nong Nooch Tropical Botanical Garden in Pattaya, Thailand. Material was given to NNTBG (#03-946) by C. Laurens Comment
  UCR178856  Pectocarya anisocarpa LeRoy Gross 2003-3-7 756 Los Angeles Transverse Ranges, Verdugo Mountains, northwest side. Verdugo Crestline Dr. (fire road) just north of the 210 freeway. Sunland, off of Newhome Avenue, near west side at Topley Lane 555 Comment
  RSA0061128  Pectocarya linearis subsp. ferocula LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6833 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  UC25017  Pectocarya linearis subsp. ferocula Jos. Burtt Davy 1901-3-1 Los Angeles Saugus Comment
  SBBG116302  Pectocarya penicillata R. Burgess, P. Munro 2002-5-6 5134 Los Angeles Hungry Valley Rd, 0.2 mi W of Smokey Bear Rd 853 Comment
  UCR123929  Pectocarya penicillata Steven R. Hill, K. Kramer 2001-4-22 33343 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
  UCR119285  Pectocarya setosa A. C. Sanders, D. Malueg 1998-6-22 22048 Los Angeles San Gabriel Mtns., Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon 1006 Comment
  UCR270484  Pellaea andromedifolia R. G. Swinney 2011-3-22 14193 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  RSA618681  Pellaea andromedifolia var. andromedifolia L. C. Wheeler 1967-5-18 9625 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  RSA686704  Pellaea mucronata subsp. californica T. R. Pray 1955-10-8 1036 Los Angeles Little Rock Canyon; Santiago Branch, on N side of San Bernardino Mts. Comment
  POM50298  Pellaea mucronata subsp. mucronata L. R. Abrams 1901-4-8 s.n. Los Angeles Verdugo Hills. Comment
  RSA686914  Pellaea mucronata var. mucronata L. E. Hoffman 1929-4-13 s.n. Los Angeles Trail Canyon. Los angeles National Forest Comment
  CAS-BOT-BC258784  Pennisetum clandestinum Peter H. Raven 1957-9-21 11343 Los Angeles West Channel Road, Santa Monica Comment
  CATA3504  Pennisetum setaceum Julia Parish, Nathalie Cartan, Michael Thomas, Benjamin Dion 2017-10-11 035 Los Angeles Santa Catalina Island: Avalon; below 330 E Whittley Ave; 40m south of Las Lomas Dr., between Las Lomas Dr. and Tremont St. 71 Comment
  UC1587647  Pennisetum setaceum Tim Ross 1991-4-21 4566 Los Angeles Skyline Drive at head of Turnbull Canyon (Whittier Hills (Puente Hills, pro parte)); Whittier Hills, Turnbull Canyon 353 Comment
  OBI66301  Penstemon centranthifolius Steve Boyd, Amber Maurice 2004-5-18 11308 Los Angeles Transverse Ranges; Liebre Mts region: Atmore Meadows area Comment
  UCR124689  Penstemon centranthifolius B. C. Templeton 1933-5-15 5129 Los Angeles San Gabriel Mtns., Jackson Lake, Angeles National Forest 1930 Comment
  RSA412436  Penstemon centranthifolius Robert M. Perkins 1936-4-3 164 Los Angeles San Gabriel Canyon. Comment
  SD37439  Penstemon centranthifolius Edith A. Purer 1935-5-11 6573 Los Angeles Dry hillside, east of Malibou Lake Comment
  SEINET13276826 Image available Penstemon grinnellii R. G. Swinney 2011-1 15753 Los Angeles San Gabriel Mountains: east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream (Chilao Flat 7.5' Q.) (T3N R11W S34) 1536 Comment
  UC1584891  Penstemon grinnellii Tim Ross, Steve Boyd 1991-7-24 5623 Los Angeles ridge nne G.M. (Granite Mountain vicinity); , Pacifico Mountain Quad, nne G.M. 1865 Comment
  UCR206271  Penstemon grinnellii R. G. Swinney 2008-6-10 9016 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1943 Comment
  UCR271219  Penstemon grinnellii subsp. grinnellii R. G. Swinney 2011-6-1 14960 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.1-0.3 mile east-southeast of Colby Lodge, along Camp Colby Trail, toward FS Rd 12W052, southeast of Coldwater Canyon headwaters 1073 Comment
  UCR271229  Penstemon grinnellii subsp. grinnellii R. G. Swinney 2011-6-14 15114 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  NY601188  Penstemon grinnellii var. grinnellii R. C. F. Bacigalupi 1952-8-9 3906 Los Angeles Along Forest Service Road at summit of Blue Ridge, near Guffey Public Camp, Angeles National Forest, directly south of Swarthout Valley. 2438.4 Comment
  UCR78113  Penstemon heterophyllus Wandalee Thompson 1964-6-16 51 Los Angeles San Gabriel Mtns., Liebre Mountains, Pine Canyon Road, N-2, near foot of Liebre Mtn. c. 10 mi. west of Lake Elizabeth 1128 Comment
  POM17876  Penstemon heterophyllus var. australis Philip A. Munz 1923-6-9 6923 Los Angeles Bouquet Canyon, Liebre Mts. 671 Comment
  RSA408092  Penstemon heterophyllus var. australis V. V. Giles 1936-7-5 56 Los Angeles Holbrook Camp, San Gabriel Mountains. Comment
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Jun 7 2016
  RSA584170  Penstemon heterophyllus var. australis Tim S. Ross, Steve D. Boyd 1990-5-15 2536 Los Angeles Yerba Buena Ridge; Tujunga Ranger Distruct, Angeles National Forest; peripheral ridge N from Yerba Buena Rd. dividing tributaries of Oak Spring Canyon (W) and Boulder Canyon (N) 914 Comment
  RSA569424  Penstemon heterophyllus var. heterophyllus Bonnie C. Templeton, H. J. Andrews 1938-6-22 1690 Los Angeles Mint Canyon, near the crest. Comment
  RSA567160  Penstemon labrosus Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3896 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
  RSA401903  Penstemon spectabilis Bonnie C. Templeton 1933-5-15 5126 Los Angeles Highland Ave. Comment
  RSA640312  Penstemon spectabilis Louis C. Wheeler 1931-6-11 s.n. Los Angeles Dr. Huntington's Grove: (vicinity of Claremont). Comment
  NY661213  Penstemon spectabilis var. subviscosus F. W. Peirson 1918-6-30 206 Los Angeles Mt. Wilson Toll Road, San Gabriel Mountains 1295.4 Comment
  POM123113  Pentachaeta lyonii Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. [Santa Monica Mountains] Comment
  RSA0060336  Pentagramma triangularis R. F. Thorne 1970-3-5 39361 Los Angeles Santa Catalina Island. N slope of Blackjack Mountain. 457 Comment
  LA200086  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-27 1812 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, ca 3 mi above Sunset Blvd. 274 Comment
  LA94212  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-4-9 1822 Los Angeles SANTA MONICA MOUNTAINS, Santa Ynez Canyon, ca 1.5 mi above Sunset Blvd. 228 Comment
  CAS-BOT-BC211295  Perideridia gairdneri subsp. gairdneri Dr. H. E. Hasse 1890-8-1 s.n. Los Angeles Near Ballona Comment
  CAS-BOT-BC73732  Peritoma arborea var. globosa LeRoy Abrams 1902-6-10 2509 Los Angeles Playa del Rey Comment
  CATA240  Perityle emoryi Mark L. Hoefs, A. Douglas Propst 1973-5-4 237 Los Angeles Santa Catalina Island: By road above Cottonwood Canyon 60 Comment
  RSA344533  Perityle emoryi F. C. Boutin 1967-4-23 1672 Los Angeles San Clemente Island: E side of island, Lemon Tank, a dump site 305 Comment
  RSA660436  Phacelia austromontana Orlando Mistretta 1992-6-19 596 Los Angeles Angeles National Forest; Timber Mountain, San Gabriel Mountains. Comment
  RSA79239  Phacelia austromontana G. R. Campbell 1952-6-28 17285 Los Angeles Mt. Baldy 2439 Comment
  JEPS84902  Phacelia bicolor var. bicolor L. R. Heckard 1985-5-4 6231 Los Angeles s side of Avenue E 1 mi e 10th St. East (s of Rosamond Dry Lake, ne of Lancaster); Mohave Desert 701 Comment
  RSA702164  Phacelia brachyloba Michael Honer 2004-6-22 1995 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon and Hog Back. 854 Comment
  IRVC26212  Phacelia cicutaria var. hispida A. C. Sanders, Mark A. Elvin 2003-6-18 26957 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
  RSA187967  Phacelia cicutaria var. hispida Robert F. Thorne 1966-4-5 35864 Los Angeles Santa Catalina Island, Cottonwood Canyon. 107 Comment
  RSA427641  Phacelia cicutaria var. hispida H. L. Bauer 1932-03 15380 Los Angeles Mouth of Topango [Topanga] Canyon. Comment
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May 29 2014
  SD69694  Phacelia cicutaria var. hispida Robert F. Thorne 1966-4-28 36215 Los Angeles Santa Catalina Island; west-facing rocky bank and talus near upper end Renton Mine Road in Pebbly Beach Canyon. 259 Comment
  UC1426008  Phacelia cicutaria var. hispida Donald R. Bissing 1973-6-2 124 Los Angeles at roadside 0.5 mi from canyon mouth; San Gabriel Mountains, Evey Canyon 743 Comment
  HSC79408  Phacelia cicutaria var. hispida Mike Ikeda 1968-4-4 35 Los Angeles 8 mi. N of Malibu, 4 mi. S of jct. Hwy. 101 and Las Virgenes Creek, Santa Monica Mtns. 610 Comment
  POM73400  Phacelia cicutaria var. hispida Marcus E. Jones 1902-6-27 s.n. Los Angeles Santa Catalina Island. Comment
  UC1426023  Phacelia cicutaria var. hispida Robert F. Thorne 1971-3-31 41436 Los Angeles n Mountain Ave.; San Gabriel Mts., Claremont, Johnson's Pastures 548 Comment
  RSA44893  Phacelia cicutaria var. hubbyi J. C. Roos 1947-5-4 3603 Los Angeles Kellogg Hill West of Pomona, Los Angeles County Comment
  UCR194144  Phacelia cryptantha A. C. Sanders 2008-4-25 35099 Los Angeles Transverse Range; Western San Gabriel Mtns., SLOPES WEST OF OLD LA LIEBRE RANCH, SOUTH OF HWY 138 1018 Comment
  RSA632447  Phacelia cryptantha Louis C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast of Vincent. 991 Comment
  JEPS97657  Phacelia davidsonii Annetta M. Carter 1951-5-21 3058 Los Angeles Horse Flats, San Gabriel Mtns. Comment
  HSC82802  Phacelia distans R. F. Thorne 1963-5-15 31661 Los Angeles 1 mile W of Los Angeles Co. line on Route 138, ca. 2 miles W of Desert Springs 1220 Comment
  RSA26564  Phacelia distans J. T. Howell 1928-6-10 3888 Los Angeles Fish Canyon Comment
  RSA595459  Phacelia distans Tim S. Ross, Victor W. Steinmann 1995-5-8 8562 Los Angeles Slopes between Leona Valley and Lost Valley. 1098 Comment
  UCR146464  Phacelia distans Orlando Mistretta 1992-6-12 556 Los Angeles Transverse Ranges; San Gabriel Mountains region, Cow Canyon, Road 2N29 EA- from Saddle to 2nd main drainage Comment
  UCR205617  Phacelia distans R. G. Swinney 2008-5-12 8839 Los Angeles San Gabriel Mtns., east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  UCR259683  Phacelia distans R. G. Swinney 2010-4-1 12125 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
  RSA576475  Phacelia distans Tim S. Ross 1992-6-15 6562 Los Angeles Whittier Hills: Upper end of Turnbull Canyon. 284 Comment
  HSC82801  Phacelia fremontii R. F. Thorne 1963-5-15 31668 Los Angeles 1 mile W of Los Angeles Co. line on Route 138, ca. 2 miles W of Desert Springs 1220 Comment
  UC1563055  Phacelia fremontii Steve Boyd and Orlando Mistretta 1986-3-31 1555 Los Angeles Hwy 138 4 mi e jct w/ Hwy 18 (ne of Pinyon Hills); Mojave Desert Comment
  RSA426163  Phacelia fremontii T. W. Minthorn 1923-5-30 s.n. Los Angeles 3 miles W of Palmdale Comment
  SBBG13562  Phacelia grandiflora P. H. Raven 1962-5-23 17859 Los Angeles near Bird Park, Memorial Cyn, Avalon Comment
  RSA133780  Phacelia grandiflora H. J. Thompson 1959-5-24 2013 Los Angeles 2.3 miles south of summit and junction with Saddle Peak Road, Tuna Canyon Road. 396 Comment
  UCR129926  Phacelia imbricata subsp. imbricata Orlando Mistretta, Steve Boyd, D. L. Banks 1994-4-29 1137 Los Angeles San Gabriel Mtns, Santiago Canyon 1143 Comment
  POM8874  Phacelia imbricata subsp. imbricata W. R. Dudley, F. H. Lamb 1896-6-8 4380 Los Angeles Liebre Mts. Comment
  POM156296  Phacelia imbricata subsp. patula L. R. Abrams 1902-6-29 2591 Los Angeles Mt. Wilson [San Gabriel Mountains] Comment
  UCR204817  Phacelia lemmonii R. G. Swinney 2005-8-22 8517 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, lower Holcomb Canyon 1354 Comment
  RSA703200  Phacelia minor LeRoy Gross 2005-2-15 1397 Los Angeles About 1/4 mile beyond the cemetery up Brand Canyon, on the south side of the mountains. 356 Comment
  UC306117  Phacelia minor Ernest Braunton 1901-6-15 Los Angeles foothills near Sherman Comment
  UC306149  Phacelia minor Ernest Braunton 1902-4-13 210 Los Angeles Griffith Park Comment
  UCR280571  Phacelia minor R. G. Swinney 2014-5-13 16487 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
  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
  UCR209904  Phacelia mohavensis R. G. Swinney 2008-7-24 9288 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  UC1174693  Phacelia parryi George Gillett 1954-3-13 371 Los Angeles bank above Hwy 101 2.7 mi s Ventura-Los Angeles County line Comment
  UCR258951  Phacelia ramosissima R. G. Swinney 2010-5-11 12697 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
  RSA127920  Phacelia ramosissima var. austrolitoralis H. J. Thompson, Peter H. Raven 1959-6-4 14319 Los Angeles Point Dume. 46 Comment
  UC131498  Phacelia ramosissima var. latifolia C. F. Baker 1903-8-2 3661 Los Angeles near Claremont (on shelving slopes); San Antonio Canyon Comment
  RSA656256  Phacelia ramosissima var. latifolia Melanie Baer 1977-6-4 27 Los Angeles Verdugo Mountains: 20 meters from Brand s tomb, Brand Park, west Glendale. 152 Comment
  SEINET3158327  Phacelia suffrutescens L. Abrams 1902-6-9 2497 Los Angeles Playa del Rey Comment
  UC56895  Phacelia viscida Ernest Braunton 1902-5-27 351 Los Angeles Sherman Comment
  RSA428243  Phacelia viscida Robert M. Perkins 1936-4-26 150 Los Angeles Santa Monica Mts. Comment
  SEINET10657415  Phalaris minor Robert F. Thorne 1973-4-12 Thorne 42891 Los Angeles San Clemente Island: roadside among old buildings at old airfield, grassland 244 Comment
  RSA674886  Phoenix canariensis LeRoy Gross 2003-2-22 743 Los Angeles South side; Along Brand Canyon (fire burned this area in Summer-fall of 2002). Above one of the debris dams, below where the falls from the west fork drainage comes in. 320 Comment
  RSA716922  Phoenix canariensis LeRoy Gross, Naomi Fraga 2006-1-20 2451 Los Angeles East end of the Verdugo's. North side of the main crest. Deer Creek off of Beaudry Road. West of Debris Basin. 448 Comment
  UCR131379  Pholisma arenarium Jeremiah George 2001-5-28 2 Los Angeles Palos Verdes Peninsula, Palos Verdes Estates, Malaga Cove; south side of Palos Verdes Drive North, west end of Palos Verdes Estates golf course 30 Comment
  SEINET269294  Pholistoma auritum Scott D. White, Chet McGaugh 1995-5-9 3009 Los Angeles E edge of Santa Susana Mts W of San Grabriel Mts. Sunshine Canyon Landfill property: W of San Fernando Rd and I-5 Fwy 457 Comment
  RSA0102539  Pholistoma membranaceum Richard G. Swinney 2011-4-19 14395 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. Under transmission lines. 945 Comment
  RSA536074  Pholistoma racemosum Tim S. Ross 1991-5-21 5413 Los Angeles San Clemente Island: Upper reaches of Box Canyon, SW side of the island. 412 Comment
  CAS-BOT-BC135285  Phoradendron bolleanum Timothy S. Ross; Steve Boyd; Peter W. Fritsch 1990-6-11 3388 Los Angeles Little Rock Creek, Joshua Tree Campground on the SW side of Little Rock Reservoir; San Gabriel Mountains 1002 Comment
  POM354315  Phoradendron bolleanum subsp. densum Bonnie C. Templeton 1936-8-3 s.n. Los Angeles Mint Canyon. Comment
  POM354318  Phoradendron macrophyllum C. Epling, L. Ellison 1930-3-1 s.n. Los Angeles Mandeville Canyon. Comment
  CAS-BOT-BC141153  Phoradendron serotinum subsp. macrophyllum Louis C. Wheeler 1931-12-15 395 Los Angeles Thompson Creek Dam 495 Comment
  CAS-BOT-BC141159  Phoradendron serotinum subsp. macrophyllum Carl Epling; Lincoln Ellison 1930-3-1 s.n. Los Angeles Mandeville Canyon. Santa Monica Mts. Comment
  POM354328  Phoradendron villosum A. Menke 1955-4-16 s.n. Los Angeles Upper San Francisquito Canyon. Comment
  SEINET3163382  Phoradendron villosum G. B. Grant, W. Wheeler 1904-5-17 sn Los Angeles Mt. Wilson, southern California 1829 Comment
  CAS-BOT-BC452036  Phyllospadix torreyi C. Epling 1933-7-1 s.n. Los Angeles Palos Verdes Comment
  RSA654724  Picris echioides Scott Lowe 1991-5-18 37 Los Angeles San Gabriel River Channel, about 100 m. north of San Gabriel River Parkway bridge, city of Pico Rivera. Comment
  RSA640322  Pinus attenuata L. C. Wheeler 1931-8-16 s.n. Los Angeles San Gabriel Mountains: San Antonio Canyon. 915 Comment
  CHSC26130  Pinus contorta subsp. murrayana B. Prigge 1970-4-12 109 Los Angeles 18 air minles north of San Dimas, 1 mile S of Dawson Saddle on State Hwy 2; San Gabriel Mountains. 2743 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
  POM19003  Pinus flexilis Philip A. Munz 1923-8-31 7672 Los Angeles San Gabriel Mountains: ridge south of Swartout Valley 2591 Comment
  RSA169031  Pinus jeffreyi Mark Parratt 1964-2-6 608 Los Angeles Table Mountain, Table Mountain Campground area; N-facing slope 3 miles north of Big Pines Ranger Station, Angeles National Forest 2195 Comment
  RSA717864  Pinus lambertiana R. G. Swinney 1997-4-25 5498 Los Angeles At peak of Iron Mountain, 4-5 air miles NW of Mt. Baldy village. 2405 Comment
  RSA384452  Pinus ponderosa L. E. Hoffman 1931-11-9 s.n. Los Angeles Swarthout Canyon. Comment
  RSA750238  Pistacia atlantica A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37078 Los Angeles west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  UCR223331  Plagiobothrys R. G. Swinney 2009-5-27 10882 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  UCR170396  Plagiobothrys arizonicus John F. Green 2006-3-15 s.n. Los Angeles Mojave Desert, between Llano and Pearblossom, Hwy 138 at Big Rock Wash crossing, both sides of wash in zone being cleared for highway widening 963 Comment
  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
  POM8980  Plagiobothrys collinus var. californicus P. A. Munz, R. D. Harwood 1920-3-13 3357 Los Angeles San Jose Hills, Ganesha Park. 305 Comment
  POM3871  Plagiobothrys parishii Marjorie Shaw, Spaulding, Walton 1917-4-6 993 Los Angeles Lovejoy Springs, 16 miles north of east Palmdale Comment
  CHSC83613  Plantago lanceolata John Dittes 1990-6-11 93 Los Angeles Transverse Range; San Gabriel Mts., La Tuna Canyon, north slope of Verdugo Mountain, ca. 0.8 air miles east of debris basin dam, small tributary canyon with drainage on south side of La Tuna Canyon Road. 423 Comment
  RSA0096640  Plantago ovata Steven A. Junak, Mark Hoefs, Keri Kirkland, Lisa Stratton 1998-5-2 SCa- 627 Los Angeles Santa Catalina Island. Ca. 0.85 air miles NW of East Peak. Along road to East Peak, just SW of Peak 1245. 347 Comment
  CAS-BOT-BC434253  Platanus racemosa T. B. Salvato; H. Spencer Badet; Mitch Provance 2007-4-26 2087 Los Angeles Tehachapi Mountains Foothills: lower Big Sycamore Canyon. 1000 Comment
  RSA750235  Platanus racemosa A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37070 Los Angeles Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery 63 Comment
  UC1348898  Pleiacanthus spinosus Robert F. Thorne and John Olmsted 1965-8-26 35371 Los Angeles ca 0.5 mi beyond junction Angeles Crest Hwy. (Blue Ridge); San Gabriel Mts., Angeles National Forest, Blue Ridge 2255 Comment
  RSA590655  Poa pratensis Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3005 Los Angeles Big Rock Creek: just above the confluence of Holcomb Canyon Creek, between Big Rock Creek Road and the mouth of Holcomb Canyon. 1255 Comment
  CAS-BOT-BC237688  Poa secunda Geo. B. Grant 1905-4-4 1016 -6463 Los Angeles Pasadena Comment
  SEINET3222958 Image available Poa secunda Steve Myers, Ed LaRue 1989-3-20 Los Angeles Palmdale area. Elizabeth Lake Road at California Aqueduct. 880 Comment
  RSA596061  Poa secunda L. C. Wheeler 1967-5-8 9357 Los Angeles San Gabriel Mountains [Liebre Mtns]; Northeast foothills. 412 Comment
  RSA0094923  Poa secunda subsp. juncifolia R. G. Swinney 2011-6-20 15231 Los Angeles San Gabriel Mountains: Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail 1567 Comment
  OBI2548  Poa secunda subsp. secunda Larry E. Brown 1970-5-2 1794 Los Angeles San Gabriel Mts. Ca 10 mi S of Joshua Tree State Park Comment
  SFV1213  Polycarpon tetraphyllum R. L. Armacost 1957-6-15 870 Los Angeles Santa Monica. Comment
  RSA594396  Polygonum amphibium var. emersum Steve Boyd, Lauren Raz 1996-10-14 9073 Los Angeles Liebre Mountains region, north shore of Elizabeth Lake, Pine Canyon south of Portal Ridge at Angeles National Forest picnic area. 1000 Comment
  RSA702170  Polygonum arenastrum Michael Honer 2004-6-22 2013 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon and 'Hog Back.' 854 Comment
  UC1922248  Polygonum arenastrum Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1350 Los Angeles Transverse Ranges; Verdugo Mountains region; Near intersection of La Tuna Canyon and Las Barras Canyon. Parking area off La Tuna Canyon Road at Hostetter Mtwy. 473 Comment
  SBBG109959  Polygonum argyrocoleon L. C. Wheeler 1962-5-20 8086 Los Angeles Catalina Island Terminal, Avalon Blvd and Canal Street Comment
  UCR276742  Polygonum aviculare R. G. Swinney 2010-8-11 13501 Los Angeles San Gabriel Mountains, San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road 595 Comment
  RSA602463  Polygonum hydropiperoides Scott D. White 1997-5-14 5125 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mountains SW of I -210 freeway, E of Hansen Dam, and N of Wentworth St. 351 Comment
  UCR210187  Polygonum hydropiperoides R. G. Swinney 2008-10-22 9663 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon, 0.5 mi. upstream from entrance of Old San Gabriel Canyon Rd. at El Encanto 244 Comment
  UCR205253  Polygonum lapathifolium R. G. Swinney 2008-3-26 8571 Los Angeles San Gabriel Mtns., San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  RSA466340  Polygonum lapathifolium F. A. Warf 1934-8-14 12533 Los Angeles Culver City. Comment
  UCSB8311  Polypodium californicum Gill, Robert 1960-3-5 Los Angeles Little Dalton Canyon, San Gabriel Mtn. range 426 Comment
  POM310378  Polypodium californicum Margaret Hardinge 1946-2-13 40 Los Angeles Big Dalton Canyon, San Gabriel Mtns 365 Comment
  RSA85016  Polypodium californicum F. W. Peirson 1923-4-9 3441 Los Angeles north slope about 4 miles southeast of Wilson's Cove, San Clemente Island Comment
  UCSB62407  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canyon Comment
  UCSB62495  Polypodium californicum Kiefer, Lawrence 1966-6-5 Los Angeles San Gabriel Mtns., San Dimas Canyon, ca. 0.25mi below the damkeeper's house 457 Comment
  UCSB62498  Polypodium californicum Kiefer, Lawrence 1966-6-12 Los Angeles San Gabriel Mtns., Horse Canyon tributary of the E fork of the San Gabriel River, ca. 0.25mi from mouth 609 Comment
  UCSB62760  Polypodium californicum Kiefer, Lawrence 1963-11-10 Los Angeles Puddingstone Canyon, S of end of Cataract St., San Dimas 182 Comment
  RSA729321  Polypogon monspeliensis R. G. Swinney 1999-6-30 7475 Los Angeles Grand View Canyon, c. 1.3mi. north of Big Pines Hwy at All Nations Camp. 1561 Comment
  UC1109359  Polypogon monspeliensis Peter H. Raven 1962-5-8 17598 Los Angeles in bed of stream near mouth of canyon at s end of Seal Cove San Clemente Island; , s end Seal Cove 9 Comment
  RSA0127706  Polypogon monspeliensis Louis C. Wheeler 1967-7-18 10104 Los Angeles Gold Creek off Little Tujunga Canyon. 549 Comment
  RSA191036  Polypogon viridis R. F. Thorne 1963-1 s.n. Los Angeles Rancho Santa Ana Botanic Garden, Claremont. 396 Comment
  RSA385489  Polypogon viridis Freda Detmers 1928-4-24 s.n. Los Angeles Los Angeles. Los Angeles River. Comment
  CAS-BOT-BC72275  Polystichum imbricans subsp. curtum W. R. Dudley 1900-7-9 s.n. Los Angeles slope of San Gabriel Peak Comment
  CAS-BOT-BC410010  Populus X parryi Carl B. Wolf 1932-5-12 3603 Los Angeles Santa Catalina Island, Cottonwood Canyon at bridge on Isthmus Road 15 Comment
  RSA0021514  Populus balsamifera subsp. trichocarpa Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5143 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  CAS-BOT-BC102551  Populus fremontii Robert F. Thorne 1970-3-6 39386 Los Angeles Santa Catalina Island: lower Cottonwood Canyon near bridge 30 Comment
  RSA589186  Populus fremontii Tim S. Ross 1991-4-28 4739 Los Angeles Moody Spring ca. 4 miles NNE of Black Butte on the Mojave Desert. 863 Comment
  LA208530  Populus fremontii subsp. fremontii C. E.; 1926-4-24 sn Los Angeles Mint Canyon 1523 Comment
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Jan 12 2015
  UC1134766  Populus fremontii subsp. fremontii A. D. Gifford 1935-2-25 435 Los Angeles 5 3/10 mi n Whitaker; Angeles National Forest, Tejon Quad. Comment
  POM360797  Populus trichocarpa F. R. Fosberg 1931-5-6 S 4791 Los Angeles Cape Canyon, Santa Catalina Island. 220 Comment
  SEINET3892988  Potamogeton pectinatus Louis C. Wheeler 1946-8-28 6302 Los Angeles San Gabriel Mountains. Caldwell Lake.; 0 1570 Comment
  UCR95735  Potamogeton pectinatus R. F. Thorne, Percy C. Everett 1965-5-11 34653 Los Angeles Santa Catalina Island, Small pond behind Cottonwood Dam in Cottonwood Canyon 46 Comment
  CAS-BOT-BC143087  Potentilla anserina subsp. pacifica LeRoy Abrams 1902-6-11 2519 Los Angeles Playa del Rey Comment
  UCR209115  Potentilla glandulosa R. G. Swinney 2008-6-18 9075 Los Angeles San Gabriel Mountains, south of Juniper Hills, Burkhart Trail 0.7 miles WNW of Burkhart Saddle, junction of trail and W Fork of Cruthers Creek 2012 Comment
  RSA604997  Potentilla gracilis var. fastigiata Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: ca. 200 yards E of foot of Holiday Hill Ski Lift. Comment
  SD72237  Prunus fasciculata R. S. Woglum 1935-5-6 729 Los Angeles Palmdale Comment
  RSA453303  Prunus fasciculata var. fasciculata Christopher Davidson 1973-4-7 1901 Los Angeles Bob's Gap Rd., ca 3 mi toward desert, 3 mi south of Hwy. 138 (Pearblossom Hwy). 1098 Comment
  SEINET13384023 Image available Prunus ilicifolia R. G. Swinney 2010-1 12105 Los Angeles San Gabriel Mountains: Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway 207 Comment
  SBBG52889  Prunus ilicifolia subsp. lyonii F. C. Boutin 1967-4-23 1661 Los Angeles Lemon Tank, dump site 304 Comment
  UC1215220  Prunus ilicifolia subsp. lyonii Peter H. Raven 1962-7-10 17972 Los Angeles sw from Thirst (upper reaches of Cave Canyon, San Clemente Island); San Clemente Island, Cave Canyon Comment
  UCR86839  Prunus lyonii Scott D. White 1995-4-27 2945 Los Angeles Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon. Road, SW of Malibu Civic Center Way 92 Comment
  UCR73405  Prunus persica T. S. Ross 1991-4-21 4499 Los Angeles Whittier Hills (Puente Hills, pro parte): Turnbull Canyon drainage near mouth of canyon 154 Comment
  JEPS20529  Pseudognaphalium beneolens Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco Comment
  CAS-BOT-BC356560  Pseudognaphalium biolettii Carl B. Wolf 1932-5-9 3429 Los Angeles Santa Catalina Island. 1/2 mi. from Avalon on road to Pebbly Beach 7 Comment
  CATA1444  Pseudognaphalium biolettii Mark L. Hoefs, Robert F. Thorne 1996-4-6 2608 Los Angeles Santa Catalina Island: Pebbly Beach 6 Comment
  SD39784  Pseudognaphalium biolettii Edith A. Purer 1931-2-21 Los Angeles El Segundo Comment
  SBBG54255  Pseudognaphalium biolettii F. C. Boutin 1967-4-23 1699 Los Angeles NW of Eel Pt Comment
  UC1118446  Pseudognaphalium biolettii P. L. Johannsen 1934-1-12 226 Los Angeles w head Corral Canyon; Calabasas Quad. 426 Comment
  SBBG98465  Pseudognaphalium californicum T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5247 Los Angeles fk of Near-Death Cyn, draining to Mosquito Cove (drainage beginning 800' N of Rest (1336') marker; 1800' SE of Malo Knoll (1396') Comment
  SBBG98436  Pseudognaphalium luteoalbum T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5265 Los Angeles W fork of Near-Death Cyn, draining to Mosquito Cove (drainage beginning 800 ft N of Rest; 1800 ft SE of Malo Knoll 312 Comment
  JEPS22870  Pseudognaphalium microcephalum Rimo Bacigalupi with Reino Alava 1958-7-21 6445 Los Angeles above canyon Arroyo Seco (along Angeles Crest Highway (Calif. No. 2)); San Gabriel Mts. 944 Comment
  CAS-BOT-BC357292  Pseudognaphalium microcephalum A. E. Grable 1970-6-14 2761 Los Angeles Topango [Topanga] Canyon rd. 3.4 miles north of Pacific Coast Hwy. 213 Comment
  UC205618  Pseudognaphalium thermale I. M. Johnston 1917-7-28 Los Angeles North Fork San Antonio Canyon, San Antonio Mountains Comment
  SEINET5334802  Pseudotsuga macrocarpa G. B. Grant 1050 Los Angeles Mt. Lowe 1524 Comment
  UCR95553  Psoralea macrostachya Steve Boyd, Valerie Soza, Orlando Mistretta 1996-6-12 8834 Los Angeles Liebre Mtns, Castaic Creek drainage upstream from confluence of Fish Canyon. 610 Comment
  CATA1704  Pteridium aquilinum var. pubescens Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1999-5-8 3023 Los Angeles Santa Catalina Island: Lower Fern Canyon 195 Comment
  CAS-BOT-BC421208  Pterostegia drymarioides Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-25 3799 Los Angeles San Gabriel Mountains. Ridgetop to the SW of Crystal Lake [ridge descending SSW from Mt. Islip] 1865 Comment
  CATA1627  Pterostegia drymarioides Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Lisa Stratton 1998-5-2 2900 Los Angeles Santa Catalina Island: Near Divide Road, east end 1.7 miles from Wrigley Memorial 332 Comment
  RSA598207  Pterostegia drymarioides Steve Boyd, Lauren Raz 1997-3-4 9137 Los Angeles Liebre Mountains region, Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon. 610 Comment
  UCR197197  Pterostegia drymarioides Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 705 Los Angeles Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999 579 Comment
  SEINET3197315 Image available Purshia glandulosa Richard G. Swinney 2009-4-2 10244 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert; Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road. (Valyermo 7.5' Q) 1223 Comment
  RSA596212  Purshia tridentata var. glandulosa Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-11 3386 Los Angeles San Gabriel Mountains, Little Rock Creek: Joshua tree Campground on SW side of Little Rock Creek reservoir 997 Comment
  RSA0025112  Pyracantha koidzumii A. C. Sanders, T. B. Salvato 2009-5-19 36839 Los Angeles Montebello Hills, under SCE powerlines adjacent to Kaiser Hospital north of corner of Paramount Blvd. and N. Montebello Blvd. 103 Comment
  SEINET10923918  Pyrus communis Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2578 A Los Angeles City of San Gabriel. Hawaii Supermarket, 120 E. Valley. Comment
  RSA0085076  Quercus Justin M. Wood 2009-3-24 392 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave. and Foothill Blvd. Old restoration site, east of old infirmary. 405 Comment
  UCD47724  Quercus X alvordiana A. C. Sanders; Mark Elvin 2002-6-20 25208 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park (Newhall 7.5', Q.:34 deg. 24.5'N, 118 deg. 35'W). Alt: 366-457 m/ 1200-1500 ft. 365 Comment
  SDSU6983  Quercus X macdonaldii R. M. Beauchamp 1966-8-8 47 Los Angeles On bank overlooking road south of Avalon. Santa Catalina Island. 122 Comment
  CHSC96050  Quercus berberidifolia LeRoy Gross 2000-11-12 330 Los Angeles Verdugo Mountains: Green Verdugo Fire Road, off Sunland Blvd. just west of 210 freeway. This road goes up to Green Verdugo Reservoir. Near road, area cleared for fire safety. 411 Comment
  POM273499C  Quercus berberidifolia A. E. Gallup 1947-10-17 65 Los Angeles mouth of Monrovia canyon in wash, San Gabriel Mt. 229 Comment
  RSA0041591  Quercus berberidifolia Justin M. Wood 2009-3-24 381 Los Angeles City of Claremont: Bernard Field Station, NW corner of Mills Ave. and Foothill Blvd. Northernmost portion of the station, east of RSABG. 410 Comment
  RSA128013  Quercus berberidifolia Peter H. Raven, H. J. Thompson 1959-10-18 14678 Los Angeles Mulholland Hwy , 3.2 miles E of Decker Road 640 Comment
  RSA654433  Quercus berberidifolia Valerie L. Soza, Ileene Anderson, LeRoy Gross 2000-6-6 987 Los Angeles Verdugo Mountains, southwest side: Along Verdugo Mtwy, E of junction with Stough Canyon Mtwy, above Stough Canyon, NE side of peak ''2646''. 762 Comment
  SFV17675  Quercus berberidifolia J. M. Tucker 1948-9-26 1879 Los Angeles San Gabriel Mountains 11.4 miles west of Palmdale; beside road to Elizabeth Lake. Comment
  UCR186794  Quercus berberidifolia Gary Kovnat, LeRoy Gross 2003-2-16 19 Los Angeles San Gabriel Mountains, Transverse Ranges; Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone 683 Comment
  RSA0046923  Quercus berberidifolia Rosemarie Beline 1941-07 s.n. Los Angeles Santa Suzanna [Susana] Pass. Comment
  CAS-BOT-BC62569  Quercus chrysolepis Timothy S. Ross; Steve Boyd 1995-6-28 8646 Los Angeles Lower Red Fox Canyon: near its confluence with Elizabeth Lake Canyon. Burnt Peak 7.5' USGS Quadrangle 737 Comment
  RSA585430  Quercus chrysolepis Tim S. Ross 1990-5-31 2724 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  RSA652325  Quercus chrysolepis Paul M. Inman 1983-5-15 51583 -4 Los Angeles Big Santa Anita Canyon in the Angeles National Forest, San Gabrile Mountains, about 1 mile north of Arcadia, growing at 3000' [along] the upper Winter Creek trail above Hoegees Camp. 915 Comment
  UC847901  Quercus chrysolepis F. R. Fosberg 1932-6-18 8528 Los Angeles Hogback San Gabriel Mts., San Antonio Canyon 1300 Comment
  UCD45484  Quercus chrysolepis James Bartolome 1990-3-14 s.n. Los Angeles San Clemente Island; in steep canyon on eastern coast of island, elevation ca. 1200-1400 feet. 365 Comment
  UCR117554  Quercus chrysolepis A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23285 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 1006 Comment
  UC56660  Quercus dumosa Ernest Braunton Jul 1902 545 Los Angeles Griffith Park Cahuenga Hills Comment
  RSA573419  Quercus durata var. gabrielensis Louis C. Wheeler 1931-11-8 228 Los Angeles Mouth Liveoak canyon 404 Comment
  UCR270073  Quercus durata var. gabrielensis R. G. Swinney 2011-3-17 14126 Los Angeles San Gabriel Mountains, Glendora, north of Mull Canyon debris basin 366 Comment
  UCD46030  Quercus engelmannii W. L. Jepson 1908-7-13 3065 Los Angeles Catalina Island, head of Swain Canon. Comment
  UCR271071  Quercus engelmannii R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14351 Los Angeles San Gabriel Mountains, Little Santa Anita Cyn., base of Mt. Wilson Trail, above Mira Monte Ave., to 0.15 miles NE above the trailhead 427 Comment
  SEINET10962214 Image available Quercus engelmannii Joseph A. Ewan 1934-12-27 Ewan 8487 Los Angeles Tall chaparral of piedmont mesa. 2 mi. above A.T. & S.F. tracks at mouth of Sawpit Canyon (i.e. Monrovia C.) 229 Comment
  SEINET13953341 Image available Quercus engelmannii Leila M. Shultz 1981-1 4948 Los Angeles cultivated native plants, Rancho Santa Ana Botanic Garden; dry fans and foothills below 4000 ft. Los Angeles county S to San Diego county 305 Comment
  POM273367  Quercus john-tuckeri Lyman Benson 1947-10-9 12836 Los Angeles 5 miles northeast [NW?] of Big Pine on Valyermo Road. San Gabriel Mt. Mojave Desert. 1677 Comment
  POM290532  Quercus john-tuckeri Lyman Benson 1951-10-23 14830 Los Angeles 1 mile below Jackson Lake, Big Pines to Valyermo. 1524 Comment
  RSA0017015  Quercus kelloggii F. W. Peirson 1919-6-14 1708 Los Angeles Rock Creek, north slope of San Gabriel Mountains. 1982 Comment
  POM49302  Quercus pacifica L. W. Nuttall 1920-5-29 s.n. Los Angeles Silver Canyon, Santa Catalina Island. Comment
  UCR281774  Quercus pacifica Mitch Provance, Scott Duff 2017-6-29 617- 68 Los Angeles Catalina Island, Middle Canyon, SCE corridor along Middle Ranch Rd., N of Thompson Dam at McGee Lake. 180 Comment
  CAS-BOT-BC104430  Quercus tomentella R. M. Beauchamp 1967-1-29 163 Los Angeles San Clemente Island, in canyon W of Thirst Comment
  SBBG43927  Quercus tomentella M. R. Benedict 1971-6-26 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  CAS-BOT-BC104856  Quercus wislizeni Timothy S. Ross; Steve Boyd 1994-9-20 8245 Los Angeles Liebre Mountains. Upper Bouquet Canyon: ca 2225 , WSW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet Reservoir, along Bouquet Canyon Road 993 Comment
  LA30781  Quercus wislizeni Jo Ann W. Flock; 1958-12-20 13 Los Angeles Liebre Mt., 200 ft. N of dirt road along base. 0.5 mi. E of Horse Trail Public Camp 914 Comment
  IRVC29548  Rafinesquia californica A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-29 26154 Los Angeles Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east Lake Hughes Rd. Western San Gabriel Mtns. 488 Comment
  RSA0091744  Rafinesquia californica R. G. Swinney 2011-5-26 14865 Los Angeles 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1061 Comment
  RSA0048319  Ranunculus californicus Carol Haines 1964-4-14 75 Los Angeles Robinson Rd., Topanga, Santa Monica Mts. 304 Comment
  CAS-BOT-BC378873  Ranunculus californicus var. californicus Marcus E. Jones 1882-5-3 3220 Los Angeles Pasadena Comment
  CAS-BOT-BC378879  Ranunculus californicus var. californicus Wesley O. Griesel 1962-3-17 s.n. Los Angeles Tapia Park, Santa Monica Mts. 152 Comment
  CAS-BOT-BC378881  Ranunculus californicus var. californicus Marcus E. Jones 1882-5-1 s.n. Los Angeles Pasadena Comment
  SD143970  Raphanus sativus Scott D. White 1997-2-2 4656 Los Angeles San Dimas/Pomona area: Bonelli Regional Park, just NW of Puddingstone Reservoir, S of San Dimas Ave and E of the 210 Freeway. 239 Comment
  CAS-BOT-BC74277  Raphanus sativus Raymond Lindholm 1961-2-3 s.n. Los Angeles Near Laverne. Comment
  UCR241295  Rapistrum rugosum Chet McGaugh 2011-8-30 s.n. Los Angeles South Coast, Hesse Park, City of Rancho Palos Verdes, 29301 Hawthorne Blvd. at Locklenna Lane 274 Comment
  UC586872  Rhamnus californica Joseph Andorfer Ewan 1934-8-2 8479 Los Angeles San Antonio Canyon, at foot of Baldy Trail San Gabriel Mts. 1371 Comment
  UCR107831  Rhamnus californica Anna Christensen 1997-4-2 15 Los Angeles Claremont. Bernard Biological Field Station (Claremont Colleges), NW corner of Mills Ave. and Foothill Blvd., 25 yds from E fence, 200 yds. into N. panhandle region. 412 Comment
  UC592792  Rhamnus californica subsp. californica unknown 1927-12-31 1463 Los Angeles Eagle Rock Occidental College Comment
  UCR136924  Rhamnus californica subsp. californica B. C. Templeton 1930-2-25 1437 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 200 Comment
  CAS-BOT-BC133219  Rhamnus crocea A. C. Sanders; Mitch Provance; T. B. Salvato 2009-6-1 37082 Los Angeles San Gabriel Valley: west edge of I-605 and c. 1 mile west of the center of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  RSA1645  Rhamnus crocea Ralph Hoffmann 1931-5-2 327 Los Angeles Bouquet Canyon. Comment
  RSA390886  Rhamnus ilicifolia Louis C. Wheeler 1932-4-1 547 Los Angeles San Jose Hills at Pomona 305 Comment
  SD90210  Rhamnus ilicifolia Benjamin C. Stone March 1953 289 Los Angeles Chaparral above San Gabriel dam area, San Gabriel Mountains 1096 Comment
  UCD112341  Rhamnus ilicifolia A. C. Sanders; D. Malueg 1998-6-22 22050 Los Angeles San Gabriel Mountains. Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon. 1006 Comment
  POM9653  Rhamnus ilicifolia P. A. Munz, R. D. Harwood 1920-5-15 4004 Los Angeles Sepulveda Canyon, Santa Monica Mountains 213 Comment
  RSA0039646  Rhamnus ilicifolia Louis C. Wheeler 1932-8-23 24 Los Angeles Loc. W. side Ontario Pk., San Gabriel Mts. 1280 Comment
  RSA3558  Rhamnus pirifolia Carl B. Wolf 1932-5-10 3502 Los Angeles Avalon Canyon, Santa Catalina Island. 122 Comment
  UC124600  Rhamnus pirifolia H. M. Hall 1908-6-15 8270 Los Angeles Swains' Canyon Santa Catalina Island Comment
  CAS-BOT-BC170474  Rhus integrifolia Reid Moran 1941-2-18 582 Los Angeles Steep canyon side, Middle Ranch Canyon, San Clemente Island Comment
  RSA386483  Rhus integrifolia F. H. Elmore 394 Los Angeles San Clemente Island. Comment
  RSA535706  Rhus integrifolia T. S. Ross 1991-5-23 5504 Los Angeles San Clemente Island: lower Tota Canyon, middle of island, eastern escarpment. 8 Comment
  RSA670685  Rhus integrifolia B. C. Templeton 1968-2-25 11399 Los Angeles Near the isthmus, Santa Catalina Island. Comment
  SDSU2182  Rhus integrifolia R. M . Beauchamp 1967-1-29 158 Los Angeles San Clemente Island. Comment
  UCR214670  Rhus integrifolia A. C. Sanders, Dan S. Cooper 2010-4-30 38151 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  CAS-BOT-BC175222  Rhus lancea A. C. Sanders; T. B. Salvato; Mitch Provance 2009-5-28 37005 Los Angeles San Gabriel Valley: San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irinwdale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  SBBG31411  Rhus ovata R. F. Thorne, R. Rollins, D. Probst, R. Carolin 1967-3-18 36739 Los Angeles Wild Boar Gully, ca. 1 mi WNW of Salta Verde Pt 198 Comment
  UC1130520  Rhus ovata A. D. Gifford 1935-5-8 686 Los Angeles 2 1/2 mi s Warm Spring; Angeles National Forest 487 Comment
  UC1234787  Rhus ovata Peter H. Raven 1962-5-2 17803 Los Angeles upper Bullrush Canyon (ridge on w side); Santa Catalina Island 289 Comment
  UCR273387  Rhus ovata R. G. Swinney 2011-10-18 15843 Los Angeles San Gabriel Mountains, 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2 1021 Comment
  RSA764411  Rhus trilobata Justin M. Wood 2009-8-18 1256 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  RSA593460  Rhus trilobata var. quinata Steve Boyd, Michael Wall 1996-5-16 8792 Los Angeles Liebre Mountains, Ruby Canyon upstream from confluence with Elizabeth Lake Canyon at northwest end of Red Mountain, along Ruby Canyon Road ca. 0.9 mi E of jtn with Lake Hughes Road. 622 Comment
  UCR70824  Ribes amarum L. C. Wheeler 1936-3-8 4082 Los Angeles San Gabriel Mtns, Arroyo Seco 457 Comment
  UC79700  Ribes aureum C. F. Baker 1903-3-15 4154 Los Angeles Glendora Comment
  UCR258962  Ribes aureum R. G. Swinney 2010-2-27 11746 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland, SE end of Hansen Dam Basin, Haines Canyon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain 348 Comment
  UCR108227  Ribes aureum var. gracillimum D. Zygielbaum, M. Low 1997-3-6 03 Los Angeles Base of San Gabriel Mtns., Claremont, NW corner of Mills Avenue and Foothill Boulevard. N end of field station panhandle near most northern dirt access road 412 Comment
  POM48025  Ribes californicum var. hesperium C. F. Baker 1901-1-1 3981 Los Angeles Hills near Claremont. Comment
  RSA291590  Ribes californicum var. hesperium C. W. Tilforth, Walter Wisura 1979-5-15 1796 Los Angeles Johnson s Pasture above Claraboya, n. of Pomona. Comment
  UCD102093  Ribes californicum var. hesperium Richard Bates 1949-3-1 s.n. Los Angeles Santa Monica Mountains. Comment
  UCR150619  Ribes californicum var. hesperium Scott D. White 1997-5-8 5076 Los Angeles San Gabriel Mtns, San Gabriel River Canyon, N of Azusa. Canyon bottom and adjacent slopes below Morris Dam 305 Comment
  RSA332044  Ribes cereum var. cereum Wayen E. Sawyer 1981-6-11 27 Los Angeles San Gabriel Mountains, Angeles National Forest: CA Hwy. 2 between Dawson Saddle and juction of CA Hwy. 39, 1.6 mi. from Dawson Saddle 2302 Comment
  CAS-BOT-BC6180  Ribes grantii George Bernard Grant; William Wheeler 1904-5-17 6241 Los Angeles Mt. Wilson 1828 Comment
  PASA2249  Ribes hesperium Sally Ellis 1940-4-16 Los Angeles Evy's Canyon, Claremont Comment
  LA205448  Ribes indecorum Louis Wheeler; 1933-3-4 1510 Los Angeles Claremont 388 Comment
  RSA522326  Ribes indecorum Steve Boyd 1990-2-3 3820 Los Angeles San Gabriel Mountains, base of range at Padua Hills, just W of mouth of San Antonio Canyon. Comment
  RSA788772  Ribes indecorum Mark A. Elvin, M. Wall 1997-3-5 364 Los Angeles San Gabriel Mountains, off Mount Baldy Road 0.3 miles S from intersection w/ [Padua Avenue], 200 m off road. Sandy alluvial wash. Comment
  UC1127638 Image available Ribes indecorum Jerome S. Horton 1939-1-9 526 Los Angeles 1/4 mi se San Dimas reservoir (Camp 10, road above San Dimas <?>); San Dimas Experimental Forest, Pomona Quadrangle Comment
  RSA441456  Ribes malvaceum var. viridifolium H. L. Bauer 1932-1-1 15372 Los Angeles Santa Monica Mts Comment
  UC212583  Ribes montigenum I. M. Johnston 1917-7-4 1415 Los Angeles summit Baldy; San Antonio Mountains 3048 Comment
  CAS-BOT-BC219295  Ribes nevadense Tim Ross 1990-8-17 3168 Los Angeles San Gabriel Mountains, S side of Prairie Fork, in the draw between Columbine Spring and Camp Lupine, Mount San Antonio 2121 Comment
  RSA188545  Ribes nevadense R. F. Thorne 1965-8-26 35410 Los Angeles San Gabriel Mountains, Angeles National Forest: swampy area along Prairie Fork of San Gabriel River 1585 Comment
  UC586890  Ribes nevadense Joseph Andorfer Ewan 1934-8-3 8360 Los Angeles below Big Pines Camp; San Gabriel Mts., Swartout Valley 1981 Comment
  UCR270898  Ribes nevadense R. G. Swinney 2011-8-17 15639 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  LA211932  Ribes nevadense Orlando Mistretta; 1992-5-15 s.n. Los Angeles SAN GABRIEL MOUNTAINS, Vicinity of Big Pines; head of Swarthout Valley; Mountain High Ski area. Comment
  SBBG72078  Ribes roezlii R. Hoffmann 1929-5-21 Los Angeles Pine Cyn Comment
  RSA652590  Ribes speciosum Donald W. Harshberger 1949-2-19 s.n. Los Angeles 5 miles east of Whittier, all along Turnbull Canyon on north side of slope, 457 Comment
  POM9722  Ribes speciosum P. A. Munz 1921-2-26 4686 Los Angeles South Hills (San Jose Hills) 5 miles east of Brea Canyon. 305 Comment
  RSA480740  Ricinus communis L. C. Wheeler 1936-6-21 4168 Los Angeles Cobal Canyon 670 Comment
  SEINET6096651  Rigiopappus leptocladus Unknown 1996-4-18 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  RSA0087035  Robinia pseudoacacia R. G. Swinney 2010-4-1 12148 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  UCR220177  Rorippa nasturtium-aquaticum R. G. Swinney, Jane Strong 2009-4-7 10310 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Antonio Canyon, 2.4 miles north of Shinn Rd. 1073 Comment
  RSA165717  Rosa californica Lawrence T. McHargue, Brian C. Miller 1963-7-6 s.n. Los Angeles Atmore Meadow, Liebre Mtn. 1372 Comment
  RSA757071  Rosa californica R. G. Swinney 2008-10-7 9488 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 Comment
  CAS-BOT-BC146959  Rosa woodsii var. gratissima Le Roy Abrams; E. A. McGregor 1908-7-5 652 Los Angeles [Swartout] Swarthout Canyon, desert slopes of the San Gabriel Mountains 1828 Comment
  POM263029  Rubus leucodermis J. C. Roos 1937-7-16 374 Los Angeles Stockton Flats, San Gabriel Mountains. Comment
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Feb 4 2014
  LA52269  Rumex acetosella Louis Wheeler; 1932-5-4 682 Los Angeles Santa Monica Mountains, Westwood, near UCLA campus 121 Comment
  RSA600373  Rumex conglomeratus Steve Boyd, Lauren Raz 1997-5-28 9865 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. 866 Comment
  RSA466074  Rumex crispus M. B. Dunkle 1928-10-7 2006 Los Angeles Santa Catalina Island, Middle Ranch Canyon. Comment
  RSA589202  Rumex hymenosepalus Tim S. Ross 1991-4-27 4687 Los Angeles Mojave Desert: Black Butte Basin Road at intersection with Avenue 'U', NW corner; 0.85 mile and ca 152 deg. SW of Three Sisters (buttes). 959 Comment
  CAS-BOT-BC433915  Rumex salicifolius Lewis S. Rose 1946-7-21 46224 Los Angeles N. end of Hollywood Reservoir, Los Angeles 228 Comment
  UCR270666  Rumex salicifolius R. G. Swinney 2011-6-29 15357 Los Angeles San Gabriel Mountains, Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  POM27155  Rupertia physodes Marcus E. Jones 1882-5-2 2691 Los Angeles Pasadena. Comment
  LA200489  Rupertia physodes A. M. Johnson; 1932-5-30 4103 Los Angeles SANTA MONICA MOUNTAINS, Brent's Mountain, Crag's Camp. Comment
  UC1714587  Ruppia cirrhosa Fred Henkel 1919-8-1 Los Angeles Venice Comment
  LA210086  Salicornia virginica J. D. & H. N. Sauer; L. & D, Birindelli Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Comment
  RSA478899  Salicornia virginica Joseph A. Ewan 1930-9-15 5537 Los Angeles Ballona Creek near Playa del Rey Road. Comment
  POM2068  Salix exigua I. M. Johnston 1918-7-5 2087 Los Angeles San Antonio Mountains, near head of San Antonio Canyon. 2287 Comment
  RSA584335  Salix exigua Tim S. Ross, Orlando Mistretta 1993-5-26 7312 Los Angeles W end of the San Gabriel Mtns: Santa Clara Road (USFS) between Wilson Canyon Saddle and May Canyon saddle. Seepy northerly draw at roadside, head of a tributary of Los Pinetos Canyon. 1043 Comment
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Sep 30 2014
  RSA747349  Salix exigua R. G. Swinney 2008-5-8 8797 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
  RSA578825  Salix laevigata Tim S. Ross, Darin Banks 1994-4-13 7520 Los Angeles San Francisquito Canyon: riparian strip and adjacent lower slopes ca 430 m SW of San Francisquito Powerhouse No. 2 465 Comment
  RSA733155  Salix laevigata R. G. Swinney 1997-6-19 5623 Los Angeles San Gabriel Mtns.: Jackson Lake, west of Wrightwood. 1872 Comment
  SEINET10393059  Salix laevigata G. B. Grant 1904-1 1153 Los Angeles Pasadena. Comment
  UC482214  Salix lasiolepis Carl W. Sharsmith 1931-11-15 4 Los Angeles at foot of coastal headland near mouth of Topanga Canyon; Santa Monica Mountains 15 Comment
  UCR194066  Salix lasiolepis R. G. Swinney 1999-5-22 7199 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, south of old homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  RSA258387  Salsola tragus C. W. Tilforth 1972-4-28 522 Los Angeles Rancho Santa Ana Botanic Garden, Claremont. Comment
  RSA0115686  Saltugilia australis A. C. Sanders 2008-4-23 35078 Los Angeles Transverse Range; western San Gabriel Mtns: upper Cow Spring Canyon. 1090 Comment
  RSA469661  Saltugilia splendens subsp. grantii Thekla Mohr s.n. Los Angeles Sister Elsie trail to sister Elsie Peak, SW San Gabriel Mtns. Comment
  RSA0094992  Saltugilia splendens subsp. grantii Orlando Mistretta, Peter L. Morrell 1992-6-4 486 Los Angeles Traverse Ranges: San Gabriel Mnts region: Short Cut Canyon, OVH area. Arroyo District, paralleling Big Tujunga. Comment
  CATA524  Salvia apiana Sara L. Crockett 1997-4-29 673 Los Angeles Santa Catalina Island: 0.8 mile S on road from KBRT radio station toward Salta Verde, slope below E/W-trending ridgeline 487 Comment
  RSA660106  Salvia apiana Orlando Mistretta 1992-6-12 567 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  RSA442821  Salvia apiana William Emboden 1969-5-28 4 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  UC220931  Salvia carduacea A. D. E. Elmer Jun 1902 3594 Los Angeles Acton Comment
  PASA477  Salvia columbariae J. E. Giguette may '26 Los Angeles Big Tujunga Comment
  RSA620659  Salvia columbariae J. Massey 1966-3-26 1129 Los Angeles Cobal Canyon, ca. .5 mi from entrance. Comment
  UCR216883  Salvia columbariae R. G. Swinney 2009-3-11 10087 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  RSA0051564  Salvia columbariae Geo. R. Julian 1962-4-20 s.n. Los Angeles 10 miles east of Pearblossom. Comment
  RSA649647  Salvia columbariae Michael Horn 1991-5-7 31 Los Angeles Take dirt road 4N06 2.5 miles north of Hwy CN4 to reservoir. East 1/8 mile on unnamed dirt road to site. 1463 Comment
  RSA651686  Salvia columbariae Warren Crawford 1969-5-15 s.n. Los Angeles San Gabriel Canyon, second dam. [Hwy 39] Comment
  RSA249769  Salvia dorrii var. pilosa Robert F. Thorne, C. W. Tilforth 1973-4-20 42986 Los Angeles San Gabriel Mountains. 1143 Comment
  RSA725119  Salvia dorrii var. pilosa Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -41 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  SD4298  Salvia dorrii var. pilosa Ruth B. Randall 1919-1 Los Angeles Palmdale Comment
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Apr 11 2012
  CAS-BOT-BC233663  Salvia leucophylla I. M. Johnston 1918-5-4 1940 Los Angeles Turnbull Canyon, Puente Hills 365 Comment
  POM177960  Salvia leucophylla Joseph A. Ewan 1931-5-16 4206 Los Angeles Dry Canyon above Calabasas, Santa Monica Mountains 305 Comment
  POM312790  Salvia mellifera D. W. Taylor 1951-4-11 34 Los Angeles Big Dalton canyon, N of Glendora, San Gabriel Mt. 366 Comment
  RSA0087042  Salvia mellifera R. G. Swinney 2010-3-13 11874 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  RSA650321  Sambucus caerulea Howard Cook 1948-5-8 8 Los Angeles Collected on highway 39 in La Habra Heights. 228 Comment
  CHSC3714  Sambucus mexicana Sue Boergadine 1966-4-28 10 Los Angeles 8 mi NE Newhall approx. 914 Comment
  POM4447  Sambucus mexicana M. Hitchcock 1918-5-30 s.n. Los Angeles Claremont. 365 Comment
  RSA477569  Sambucus mexicana Robert Gustafson 1978-6-1 944 Los Angeles 0.5 mile E off main dirt road running through Hungry Valley, on summit of hills overlooking upper Freeman Canyon, ca 1 mile S of Gorman. 1280 Comment
  RSA477572  Sambucus mexicana Howard Mullins 1931-3-11 s.n. Los Angeles Oakwilde. Comment
  RSA600410  Sambucus mexicana Steve Boyd, Lauren Raz 1997-4-30 9637 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
  CAS-BOT-BC238717  Sambucus nigra subsp. caerulea John I. Carlson 1914-4-21 s.n. Los Angeles Avalon, Catalina Isl. Comment
  HSC49068  Sambucus nigra subsp. caerulea Patricia Shesgreen 1978-6-17 103 Los Angeles Whittier Hills, 0.4 mi. E of Painter Ave., N side of Turnbull Canyon Rd. 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
  SEINET269309  Sanicula crassicaulis Scott D. White, Chet McGaugh 1995-5-9 3020 Los Angeles East edge of Santa Susana Mountains just west of San Gabriel Mountains 'Sunshine Canyon': west of San Fernando road and 457 Comment
  UCSB42183  Sarcodes sanguinea Roos, John 1966-6-15 Los Angeles N slope of Mount Baden-Powell near Laurel Spring, San Gabriel Mtns. 2377 Comment
  UC883430  Satureja douglasii F. R. Fosberg 1931-4-28 S 4702 Los Angeles Eagle's Nest Santa Catalina Id., Middle Ranch Canyon (wet creek bed) 180 Comment
  UCR9550  Satureja mimuloides Judy Owen 1970-7-23 s.n. Los Angeles San Gabriel Mtns., Angeles National Forest 915 Comment
  RSA709623  Schismus arabicus LeRoy Gross 2005-4-28 2127 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Than dropped off ridge into canyon bottom back to origin. 1235 Comment
  SDSU5130  Schismus barbatus H. Wedberg 1966-4-3 1186 Los Angeles Chaparral slope burned two years previous, above Hill Dr. x Neal, in Eagle Rock. 457 Comment
  UC1871323  Schoenoplectus pungens T. Ross 1993-4-20 6825 Los Angeles Santa Catalina Island; NE side of Little Harbor near outlet of Little Springs Canyon drainage 2 Comment
  SEINET3914760  Scirpus microcarpus Tim Ross, Orlando Mistretta; Carolyn Neal 1994-7-1 8083 Los Angeles San Gabriel Mountains: Sheep Camp Spring, 3341/4 and 520 m NNW of Pacifico Mtn summit, at the headwaters of Santiago Canyon.; 0 1920 Comment
  UCR239939  Scirpus microcarpus R. G. Swinney 2009-11-16 11634 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  SEINET13276775 Image available Scrophularia californica R. G. Swinney 2011-1 14470 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  UC535523  Scrophularia californica Ira W. Clokey, B. Templeton July 1929 4573 Los Angeles Mandeville Canyon; Santa Monica Mts 300 Comment
  LA200886  Scrophularia californica subsp. californica Jerry Kove; 1962-5-8 sn Los Angeles Comment
  UCR163177  Scrophularia californica subsp. californica Anuja Parikh, Nathan Gale 2004-9-9 2090 Los Angeles Western Transverse Range, Santa Clara River Valley, Newhall Ranch, along Santa Clara River (SCR sect. 2) in vicinity of confluence of Chiquito Canyon 274 Comment
  RSA425184  Scrophularia californica subsp. floribunda Donald R. Bissing 1973-5-18 97 Los Angeles Evey Canyon, San Gabriel Mountains: 1.0 mile from mouth of canyon. 884 Comment
  RSA584298  Scrophularia californica subsp. floribunda Tim S. Ross, Orlando Mistretta 1993-5-26 7313 Los Angeles W end of San Gabriel Mountains, Santa Clara Road (USFS) between Wilson Canyon Saddle on May Canyon Saddle; N slope of the 3834-foot peak NW of May Canyon Saddle. 1097 Comment
  RSA213347  Scrophularia villosa Reid V. Moran 1941-2-28 645 Los Angeles Santa Catalina Island, Johnson's Valley 100 Comment
  UCSB37367  Scutellaria mexicana Bates, Loretta 1978-5-28 Los Angeles Junction of Highway 138 and Black Butte Basin Rd Comment
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Nov 12 2014
  UC1375349  Scutellaria siphocampyloides Robert F. Thorne 1971-6-26 39995 Los Angeles near Chilao Old Camp (Angeles National Forest); San Gabriel Mountains, Angeles National Forest 1615 Comment
  UCD125683  Scutellaria siphocampyloides Cameron Blake; Jane Turner, Francis M. Ball 1962-6-2 954 Los Angeles Mill Creek Picnic Ground on Angeles Crest Highway. North of La Canada. 1097 Comment
  LA54460  Scutellaria tuberosa Carl Epling; Ledyard Stebbins 1940-5-4 sn Los Angeles Comment
  RSA82355  Scutellaria tuberosa F. W. Peirson 1919-3-11 178 Los Angeles Small Canyon east of Rubio Canyon south base of San Gabriel Mtns. at 1800 ft. 549 Comment
  UCR193673  Sedum spathulifolium R. G. Swinney, Dave Larson 1999-6-25 7413 Los Angeles San Gabriel Mtns., Fern Canyon, c. 1.75 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  SFV7618  Sedum spathulifolium T. Gordon, M. H. Grayum 1975-11-7 1230 Los Angeles San Gabriel Mountains Along Elizabeth Lake Canyon Road, just south of Warm Springs Camp. 640 Comment
  LA209588  Selaginella asprella Lawrence L. Kiefer; 1966-10-29 2477 Los Angeles San Gabriel Mountains, vicinity of Devil's Punchbowl, Holcomb Cyn, ca. 1/3 mi S of USFS trail 9W01 1462 Comment
  RSA679889  Selaginella asprella LeRoy Gross, Valerie Soza 2003-6-10 1022 Los Angeles Mount Baldy Trail from Baldy Village to summit of Mount San Antonio., ca. 2.5 miles south of Mount San Antonio summit along trail. 2409 Comment
  CAS-BOT-BC62043  Selaginella bigelovii Alice Eastwood 1919-5-29 8941 Los Angeles San Gabriel Canyon Comment
  LA94008  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-12 1682 Los Angeles SANTA MONICA MOUNTAINS, Triunfo Canyon, ca 0.5 mi from Lobo Canyon turnoff, near road. 304 Comment
  SEINET10872365  Selaginella bigelovii Jon Ricketson, Heidi H. Schmidt; Janet Takara 1992-10-20 Ricketson 4793 Los Angeles Santa Catalina Island; Catalina Conservancy Land. Eastern most Bumpgate in Middle Canyon, along Middle Canyon Trail (Road). Between Middle Ranch Junction and Cape Canyon Trail. 8-9 miles west of the city of Avalon. Collections made in cooperation with the Catalina Conservancy. 250 Comment
  CAS-BOT-BC62034  Selaginella bigelovii Prof. W. R. Dudley 1907-12-1 s.n. Los Angeles Sawpit Canyon (near Mourovia) Comment
  SEINET2122162  Senecio M. L. Carson 1968-12-19 1303 a Los Angeles 7.9 mi S of State Highway 138 and 19.4 mi N of Castaic 1220 Comment
  CAS-BOT-BC327397  Senecio astephanus unspecified 1900-4-12 s.n. Los Angeles Mt. Lowe, Castle Canyon Comment
  UCR126582  Senecio californicus A. C. Sanders 2003-4-17 26063 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1 km south of Magic Mountain amusement park and north of the powerlines 442 Comment
  UCSB6466  Senecio californicus Haller, John 1957-4-13 Los Angeles In upper Mint Canyon, ca. 5 road miles E. of road to Acton and 10 road miles E. of Angeles forest Highway junc. 914 Comment
  IRVC28170  Senecio flaccidus var. douglasii June Latting 1976-10-6 s.n. Los Angeles Big Rock Creek Fire Station, Fenner Canyon San Gabriel Mountains 1585 Comment
  POM9642  Senecio flaccidus var. douglasii P. A. Munz 1920-12-5 4403 Los Angeles Claremont. 366 Comment
  UCR209513  Senecio vulgaris Dan S. Cooper 2009-4-14 409- 35 Los Angeles Eastern Santa Monica Mtns., above Travel Town, Griffith Park 183 Comment
  CDA7659  Senecio vulgaris L. C. Wheeler 1969-4-1 s.n. Los Angeles San Gabriel Mountains, ridge east of Ham Canyon. Comment
  RSA0112035  Senna A. C. Sanders, T. B. Salvato 2009-5-19 36830 Los Angeles San Gabriel Valley: Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center. 110 Comment
  SD255750  Senna A. C. Sanders, T. B. Salvato 2009-5-19 36830 Los Angeles San Gabriel Valley; Montebello Hills, under SCE powerlines south of Montebello Blvd. and W of Plaza Dr., south of large shopping mall called Montebello Town Center. 110 Comment
  LA93450  Setaria gracilis John O'Leary; 1975-7-15 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 152 Comment
  CAS-BOT-BC243575  Setaria parviflora Timothy S. Ross 1992-5-24 6401 Los Angeles W margin of Hwy 39, and on disturbed slope descending into Brown's Bulch, San Gabriel Canyon, San Gabriel Mountains 487 Comment
  UC1714448  Setaria pumila I. M. Johnston 1918-8-4 2110 Los Angeles between Pomona and Claremont 365 Comment
  RSA607601  Setaria viridis L. C. Wheeler 1966-10-25 9064 Los Angeles E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  SBBG59137  Setaria viridis R. Hoffmann 1927-8-30 Los Angeles near Saugus Comment
  LA50697  Sherardia arvensis J. Warren; 1952-5-8 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  CATA2998  Sibara filifolia Peter J. Dixon 2015-3-12 032 Los Angeles Santa Catalina Island: Wild Boar Gully, far SW corner of exclosure, population nickname ""fenceline"". 500m south of Wild Boar Gully Rd. 250 m north of Pacific Ocean. 75 Comment
  CAS-BOT-BC384477  Silene antirrhina Louis C. Wheeler 1932-5-28 782 Los Angeles E side San Antonio Canyon SE Hog Back, San Gabriel Mts. 1280 Comment
  SBBG87348  Silene gallica A. C. Sanders 1988-3-17 7729 Los Angeles El Segundo dunes, immediately W of LA International Airport & Pershing Drive, E of Vista Del Mar Blvd 30 Comment
  UCR219926  Silene gallica R. G. Swinney, Jane Strong 2009-4-21 10406 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
  UCR76418  Silene gallica T. S. Ross, Amy Kendall 1992-4-15 6196 Los Angeles San Clemente Island, Central upland portion of the island, SW of 'Ledge' (1328' knoll of Stone field station), 236 degrees SW, c. 170m distant from summit of 'Ledge' 393 Comment
  RSA477873  Silene gallica L. C. Wheeler 1932-3-23 521 Los Angeles UCLA Campus, West Los Angeles. 137 Comment
  RSA535308  Silene gallica Timothy S. Ross 1991-5-21 5377 Los Angeles San Clemente Island: recent burn between Box and Horse Canyons; 1.2 - 1.25 miles SSW from north-south axis road seperating just NW of Thirst. (just NE of small knoll). 483 Comment
  UCR43326  Silene verecunda David Charlton 1986-6-15 235 Los Angeles San Gabriel Mtns, Lightning [=Blue?] Ridge at the intersection of Forest Rd. 3N06 and Angeles Crest Hwy, c. 4 mi NW of the San Bernardino Co. line and 5 mi NW of Wrightwood 2256 Comment
  CAS-BOT-BC364801  Silybum marianum A. H. Gallup 1949-7-17 s.n. Los Angeles On southeast slope of Tallac Knoll, LASCA Comment
  SFV1528  Sisymbrium altissimum M. L. Vincent 1962-5-19 251 Los Angeles Mojave Desert 1 mile from Pearblossom on the road to Valyermo. Roadside. 1000 Comment
  UCR124754  Sisymbrium altissimum B. C. Templeton 1932-6-17 4912 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2195 Comment
  UCR281290  Sisymbrium altissimum R. G. Swinney 2014-5-8 16468 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
  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
  RSA0039137  Sisymbrium irio R. G. Swinney 2010-3-10 11791 Los Angeles Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes. 305 Comment
  SBBG80498  Sisymbrium irio S. A. Junak 1978-4-16 SCa 36 Los Angeles Boy Scout Camp, lower Cherry Valley Comment
  UCSB2436  Sisymbrium irio Wedberg, H. 1958-3-16 Los Angeles 1/2 mile south of intersection of San Diego Freeway and Wilshire Blvd. Comment
  RSA638818  Sisymbrium officinale Valerie L. Soza, Laura Moore 1999-6-30 584 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail. 853 Comment
  LA23982  Sisyrinchium bellum A. M. Johnson; 1932-5-30 4089 Los Angeles SANTA MONICA MOUNTAINS, Brent's Mountain, Crag's Camp. Comment
  RSA729567  Sisyrinchium bellum Richard G. Swinney 1998-7-21 6477 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
  UCD138839  Sisyrinchium bellum A. C. Sanders 2005-5-11 30150 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Cyns. 610 Comment
  RSA702189  Solanum americanum Scott D. White, Pam De Vries 2004-6-14 10483 -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
  LA26160  Solanum douglasii Judith Webb; 1955-4-2 sn Los Angeles SANTA MONICA MOUNTAINS, fireroad below Mount Saint Mary's College. Comment
  RSA0062515  Solanum douglasii R. G. Swinney 2010-4-20 12313 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  RSA0089422  Solanum douglasii R. G. Swinney 2011-3-17 14121 Los Angeles Glendora, north of Mull Canyon debris basin 366 Comment
  UCR96606  Solanum douglasii Scott D. White 1997-2-2 4658 Los Angeles San Dimas/Pomona area: Bonelli Regional Park, Just NW of Puddingstone Reservoir, south of San Dimas Ave, and east of the I-210 Freeway 305 Comment
  LA105582  Solanum douglasii Barry A. Prigge; 1989-5-10 8707 Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  RSA651323  Solanum douglasii Peter J. Estournes 1981-5-14 26 Los Angeles 60 freeway west; east bound 2 miles east of 605 freeway. Comment
  NY821412  Solanum nigrum B. Trask 02 1903 s.n. Los Angeles Avalon, Santa Catalina Island Comment
  CDA5983  Solanum rostratum W. E. Henson 1943-8-6 Los Angeles Southern Western Avenue, Los Angeles. 0 Comment
  RSA0091719  Solanum umbelliferum R. G. Swinney 2011-3-17 14132 Los Angeles Glendora, north of Mull Canyon debris basin 366 Comment
  RSA600058  Solanum umbelliferum Steve D. Boyd, Lauren Raz 1997-5-20 9813 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
  UC26239  Solanum umbelliferum W. H. Brewer 1860-1 108 Los Angeles San Gabriel Comment
  UCR259124  Solanum umbelliferum R. G. Swinney 2010-5-4 12523 Los Angeles San Gabriel Mountains, north of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park 457 Comment
  RSA647973  Solanum umbelliferum Michelle Manolovitz, Brian Manolovitz 1992-5-12 21 Los Angeles Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 500 feet north of park office. Comment
  SBBG95466  Solanum wallacei M. B. Dunkle 1928-2-19 1709 Los Angeles near rd, Hay Press 426 Comment
  UC26249  Solanum wallacei Blanche Trask Mar. 1890 Los Angeles Santa Catalina Island, Avalon Avalon; Santa Catalina Island, Avalon Comment
  SD69459  Solanum wallacei subsp. clokeyi Robert F. Thorne 1966-4-5 35798 Los Angeles Santa Catalina Island: N slope Black Jack Mt., 0.8 mile down road to White's Landing 410 Comment
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Jan 31 2012
  UCR143448  Solanum wallacei var. wallacei Reid Moran 1941-3-8 687 Los Angeles Channel Islands, Whites Landing, Santa Catalina Island 50 Comment
  LA51825  Solanum xanti Mary Reynolds; 1937-4-12 70 Los Angeles Santa Monica Mountains, Franklin Canyon Comment
  OBI69411  Solanum xanti Bradley J. Kayl, Jennifer Eckert 1994-3-20 1 Los Angeles Browns Cyn. Northridge 2 mi S of De Soto St Comment
  SEINET3162625  Solanum xanti G. B. Grant 1218 Los Angeles Mt. Love 1524 Comment
  POM11276  Solidago californica P. A. Munz 1921-10-5 4694 Los Angeles Palmer's Canyon, N of Claremont 488 Comment
  RSA746567  Solidago californica Orlando Mistretta 1992-5-21 s.n Los Angeles San Gabriel Mtns region: Right Star Mine, S of Acton. Comment
  UCR95541  Solidago confinis Steve Boyd, L. Raz 1996-9-24 8936 Los Angeles Liebre Mtns, Knapp Ranch area at upper end of Castaic Creek drainage in broad valley at head of Cienaga Canyon, south of Liebre Mtn. 930 Comment
  LA209948  Solidago spectabilis Arthur C. Gibson; Tarja Sagar 2005-9-25 5101 Los Angeles Comment
  SBBG31085  Solidago velutina var. californica R. F. Thorne 1966-9-15 36703 Los Angeles Middle Ranch, Middle Ranch Cyn 213 Comment
  CLARK-A1528-2102  Soliva sessilis Alfred R. Roos 1958-5-16 Los Angeles Comment
  UCR205097  Sonchus asper R. G. Swinney 2008-4-11 8659 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  UCR276971  Sonchus asper R. G. Swinney 2010-6-1 13135 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
  POM122397  Sonchus oleraceus Marcus E. Jones 1926-9-9 s.n. Los Angeles San Clemente Island. Comment
  LA32077  Sorghum halepense Peter H. Raven; Henry J. Thompson 1959-10-18 14665 Los Angeles SANTA MONICA MOUNTAINS, Pacific Coast Hwy, 1.6 mi S of junction to Malibu Canyon. 22 Comment
  OBI35714  Spartium junceum Rebecca Cicoria 1982-4-26 58 Los Angeles Palos Verdes Peninsula Lower Blackwater Cyn, Rolling Hills Comment
  OBI69412  Spartium junceum Patricia A. Krueger 1994-5-11 17 Los Angeles San Gabriel Mts, .7 mi on 2N24 from hwy 39 610 Comment
  RSA477985  Spergula arvensis Anstruther Davidson 1893-6-12 s.n. Los Angeles Pasadena. Comment
  SBBG105392  Spergularia bocconi R. M. Beauchamp 1976-5-22 4114 Los Angeles dump at Lemon Tank 332 Comment
  RSA545197  Spergularia bocconi Timothy S. Ross 1992-4-14 6176 Los Angeles San Clemente Island, central E side of island; Fairly level rocky shelf near base of E escarpment, ca 90m S of where the Nanny Canyon drainage meets the sea 53 Comment
  UCR68849  Spergularia macrotheca Steve Boyd, Orlando Mistretta, L. Arnseth, B. O'Brien, T. Hayduk 1990-4-6 4167 Los Angeles Channel Islands, San Clemente Island, head of Larkspur Canyon, E side of island, south of US Navy site called 'Jack 213 Comment
  POM19118  Spergularia macrotheca P. A. Munz 1923-4-8 6627 Los Angeles San Clemente Island: west coast . 122 Comment
  SEINET3150436  Sphaerostigma contortum G. B. Grant 1904-1 1236 Los Angeles Pasadena Comment