Search Results — 2000 specimen records retrieved (1593 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/consortium/).
 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
  RSA384193  Abies concolor Ora M. Clark 1928-12-8 1367 Los Angeles San Gabriel Mountains; high mountains Comment
  RSA706215  Abies concolor Tim Thibault, K. E. Olshewsky 2004-5-23 296 Los Angeles Mt. Williamson. 2074 Comment
  RSA248884  Abronia maritima Robert F. Thorne 1973-4-12 42933 Los Angeles San Clemente Island: Pyramid Cove at S end of island. 5 Comment
  UCR157992  Abronia pogonantha David Charlton 1989-5-17 3184 Los Angeles Western Mojave Desert, southwest of Piute Ponds, Edwards Air Force Base 701 Comment
  UCR255485  Acacia Dan S. Cooper 2014-6-19 614- 12 B Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Wonder View Dr., northwest of Hollywood Reservoir 273 Comment
  UCR265536  Acacia Dan S. Cooper 2015-3-22 315- 22 Los Angeles Los Angeles Basin/Western Transverse Range, Griffith Park, Los Angeles, north end of Commonwealth Ave. along dirt service road at northern edge of Commonwealth Nursery 250 Comment
  RSA715365  Acacia cyclops Sandra Murcia, Gregg Miller 2006-3-10 s.n. Los Angeles Palos Verdes Peninsula, NW corner of the intersection of Crestridge Road and Crenshaw Boulevard in the city of Rancho Palos Verdes 305 Comment
  SEINET3143174  Acamptopappus sphaerocephalus var. sphaerocephalus H. M. Hall, H. P. Chandler 1906-6-11 7388 Los Angeles Near Lancaster, in Lower Sonoran Zone of Mohave Desert 700 Comment
  HSC31672  Acer macrophyllum Thomas E. Higley 1974-4-20 28 Los Angeles 20 mi. NE of Azusa along the E Fork of the San Gabriel River Trail 457 Comment
  POM306283  Acer macrophyllum Henry J. Ramsey, Henry J. Ramsey 1938-5-1 1395 Los Angeles Eaton Canyon Park, Altadena. Comment
  RSA394184  Acer macrophyllum Samuel R. Tyson 1942-4-10 s.n. Los Angeles San Dimas Canyon. 518 Comment
  UCR270302  Acer macrophyllum R. G. Swinney 2011-6-30 15399 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA0048298  Acer macrophyllum Elwood Fordham 1951-4-18 s.n. Los Angeles Topanga. 60 Comment
  UC1594384  Achillea millefolium Tim Ross 1982-4-14 6188 Los Angeles ca 20-40 m ene intersection of new Lemon Tank Rd & main N-S island access r; San Clemente Island 339 Comment
  CAS-BOT-BC211921  Achnatherum coronatum Mrs. Jos. Clemens 1922-5-30 s.n. Los Angeles Base of Mt. Wilson Comment
  UC60153  Achnatherum coronatum D. A. Davidson Los Angeles Los Angeles Comment
  SBBG57064  Achnatherum speciosum R. Hoffmann 1931-5-3 Los Angeles lower Bouquet Cyn Comment
  CAS-BOT-BC198615  Acmispon argophyllus var. adsurgens Steven A. Junak 1996-6-1 567 Los Angeles S end of island, along E rim of upper china canyno, at head of small side canyn, ca. 0.2 mile SW of top of China Point Road, San Clemente Island 393 Comment
  CAS-BOT-BC204763  Acmispon argophyllus var. argenteus Robert F. Thorne; P. Everett 1964-2-6 33279 Los Angeles W of Catalina Harbor at Isthmus, Santa Catalina Island 15 Comment
  JEPS55404  Acmispon argophyllus var. argenteus F. M. Reed 1889-7-4 2837 Los Angeles Between Avalon and Sugar Loaf, Catalina Island. 15 Comment
Read comments
Oct 24 2009
  SD90500  Acmispon argophyllus var. argenteus Robert F. Thorne 1973-4-11 42875 Los Angeles San Clemente Island, NW part of island, dunes near Flasher 3 Comment
  LA211933  Acmispon grandiflorus var. grandiflorus Orlando Mistretta; Oscar Dorado 1989-5-10 s.n. Los Angeles Liebre Mountains region: Bouquet Canyon. Comment
  SBBG95461  Acmispon maritimus var. maritimus M. B. Dunkle 1928-4-29 1904 Los Angeles Little Harbor Comment
  SD181521  Acmispon maritimus var. maritimus LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 710 Los Angeles Transverse Ranges, Verdugo Mountains Region, south side, off dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned Summer-Fall 2002; Burbank 7.5' quad. Collected on southwest-facing slope. 576 Comment
  SBBG31434  Acmispon strigosus R. F. Thorne 1966-4-5 Los Angeles above stream in Cottonwood Cyn 106 Comment
  POM6257  Acourtia microcephala I. M. Johnston 1918-7-22 2103 Los Angeles San Antonio Mountains, Cucamonga Canyon. 915 Comment
  RSA600214  Acourtia microcephala Steve Boyd, Lauren Raz 1997-5-28 9899 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
  RSA390566  Adenostoma fasciculatum M. Bisbee 1917-5-18 s.n. Los Angeles Hills, north of Eagle Rock Valley 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
  SD53076  Adenostoma fasciculatum Peter H. Raven 1962-5-22 17839 Los Angeles Santa Catalina Island, hillsides, Middle Ranch 213 Comment
  RSA650374  Adenostoma fasciculatum var. fasciculatum Eleanor McClung 1937-5-20 184 Los Angeles Griffith Park. Comment
  UC42031  Adiantum capillus-veneris R. S. Norris June 1893 Los Angeles Catalina Isl Comment
  UCR209118  Adiantum capillus-veneris R. G. Swinney 2008-6-24 9081 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  CAS-BOT-BC65635  Adiantum jordanii L. R. Abrams; I. L. Wiggins 1931-7-6 368 Los Angeles Vicinity of Mosquito Harbor Comment
  RSA687691  Adiantum jordanii M. B. Dunkle 1928-3-31 1776 Los Angeles Santa Catalina Island: side of canyon, Campo Blanco 183 Comment
  UCR194075  Adiantum jordanii R. G. Swinney, Dave Larson 1999-5-29 7237 Los Angeles San Gabriel Mtns., lower East Fork San Dimas Canyon 598 Comment
  RSA602765  Ageratina adenophora Louis C. Wheeler 1972-12-24 12800 Los Angeles San Gabriel Mountains: Las Flores Canyon. 823 Comment
  UCR202722  Agrostis R. G. Swinney, Cody Clarke 2001-8-22 8082 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
  RSA547478  Agrostis exarata Timothy S. Ross, Orlando Mistretta 1992-7-24 6771 Los Angeles Vicinity of Strawberry Spring, 76 deg. ENE, 900 m distant from Strawberry Peak summit 1460 Comment
  SEINET3916346  Agrostis exarata Louis C. Wheeler 1967-8-1 10204 Los Angeles San Gabriel Mts., Angeles National Forest: Fountainhead Spring, E slope Mt. Pacifico.; 0 2012 Comment
  RSA622849  Agrostis scabra L. C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: East Fork of Alder Creek off Big Tujunga. 1494 Comment
  UCR125632  Agrostis viridis A. C. Sanders 2003-5-26 25862 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 171 Comment
  SEINET11266803  Aliciella lottiae David Gowen 2016-5-16 1332 Los Angeles Southeast quadrant of junction of Redman (Ave. E) and 120th St. east.; 0 Comment
  RSA782804  Alisma plantago-aquatica A. C. Sanders, Dan S. Cooper 2010-8-5 38538 Los Angeles Madrona Marsh Preserve, Torrance 24 Comment
  UCR217824  Alisma triviale Dan S. Cooper 2010-7-21 710- 89 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  SEINET10887399  Allium cepa Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3780 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  UC1971151  Allium fimbriatum var. fimbriatum Louis C. Wheeler 1973-4-21 Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast of Vincent. Comment
  RSA70175  Allium monticola Joseph A. Ewan 1932-6-13 7399 Los Angeles Western end of Pine ridge, west of Pacifico Mtn. 1677 Comment
  RSA595557  Allophyllum divaricatum Alan Prather, Alice Hempel 1993-5-17 1350 Los Angeles Angeles National Forest, along Glendora Mountain Road, 27.4 km N of the intersection with Boulder Springs drive (just S of the entrance to the National Forest). Comment
Read comments
Dec 15 2016
  RSA654036  Allophyllum divaricatum Valerie L. Soza, Laura Moore 2000-5-10 851 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines, W of peak ''1936''. 563 Comment
  CATA272  Allophyllum glutinosum Mark L. Hoefs 1973-5-15 281 Los Angeles Santa Catalina Island: By horse trail, Avalon Canyon 83 Comment
  LA52309  Allophyllum glutinosum Carl Epling; 1931-5-9 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  UCR117673  Allophyllum glutinosum Scott D. White 1997-5-21 5212 Los Angeles San Gabriel Mtns., San Gabriel River Canyon: north of Azusa, slope above Hwy 39, above San Gabriel Reservoir 488 Comment
  CAS-BOT-BC170982  Alnus rhombifolia W. H. Brewer 1861-1-4 107 Los Angeles San Gabriel Comment
  RSA725788  Amaranthus blitoides A. C. Sanders, Mark Elvin 2002-6-18 25112 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, farm area in valley along a wash, 1 mile SSW of Castaic Junction, west of Magic Mountain amusment park. 328 Comment
  SFV6617  Amaranthus blitoides T. Gordon, K. A. Wilson 1974-5-29 229 Los Angeles San Fernando Valley NW corner of Balboa and Parthenia. In recently plowed field. Comment
  CDA3241  Amaranthus blitum Tom Yutani 1989-4-17 Los Angeles Rosecrans Avenue and Beach Blvd. (Hwy 39), La Mirada . 0 Comment
  LA31575  Amaranthus powellii Peter H. Raven; 1959-10-25 14707 Los Angeles 60 Comment
  UC468990  Amblyopappus pusillus F. M. Reed 1909-7-6 2851 Los Angeles at, (at Salt runs) Salt runs; Catalina Island 0 Comment
  UCR277185  Ambrosia acanthicarpa R. G. Swinney 2010-10-5 13966 Los Angeles San Gabriel Mountains, Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center 463 Comment
  RSA0034575  Ambrosia artemisiifolia O. F. Clarke 1970-8-5 s.n. Los Angeles At the home of Judy Owen, 8841 Quakertown Ave, Northridge. Comment
  SBBG17774  Ambrosia chamissonis P. H. Raven 1962-4-11 17288 Los Angeles N of a point W of Wall 2 30 Comment
  JEPS4067  Ambrosia confertiflora J. Thomas Howell 1927-11-18 3206 Los Angeles Los Angeles Comment
  UCR222752  Ambrosia dumosa R. G. Swinney 2009-4-29 10565 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  JEPS41036  Ambrosia psilostachya Elizabeth Day Palmer 1908-8-7 Los Angeles Los Angeles Comment
  UCR190133  Amelanchier utahensis R. G. Swinney 1998-10-3 6999 Los Angeles San Gabriel Mtns, upper Fish Fork San Gabriel River, c. 1/2 mile east (upstream) from Upper Fish Fork Campground, above 2nd waterfall in tributary from N side of San Antonio Ridge 1991 Comment
  RSA446716  Ammannia coccinea Thekla Mohr 1903-01 2659 Los Angeles Bixby Slough Comment
  SBBG30035  Ammannia coccinea L. C. Wheeler 1933-9-25 2121 Los Angeles Puddingstone Dam, San Jose Hills 274 Comment
  CAS-BOT-BC180641  Amorpha californica var. californica K. Kneen 1933-5-14 s.n. Los Angeles Topanga Canyon Comment
  LA47636  Amorpha californica var. californica Henry J. Thompson; 1960-6-7 3076 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  RSA609532  Amorpha californica var. californica L. C. Wheeler 1970-9-3 s.n. Los Angeles San Gabriel Mountains: Henninger Flats. 793 Comment
  RSA499941  Amsinckia intermedia F. R. Fosberg 1931-4-15 s 4642 Los Angeles Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island 180 Comment
  SD197704  Amsinckia intermedia R. G. Swinney 2008-4-17 8691 Los Angeles San Gabriel Mountains; San Dimas, ridge between Sycamore and Shay canyons. 497 Comment
  SFV3059  Amsinckia intermedia A. M. Johnson 1933-4-18 4196 Los Angeles Santa Monica Mountains Los Angeles. UCLA Botanical Garden. 115 Comment
  POM4016  Amsinckia intermedia C. F. Baker 1903-4-1 4092 Los Angeles Claremont Comment
  UC198494 Image available Amsinckia lycopsoides Katharine Brandegee May 1916 Los Angeles Santa Catalina Island Comment
  SBBG131737  Amsinckia menziesii S. A. Junak 1999-4-22 SCa 841 Los Angeles in upper part of Cape Cyn, at pumphouse, just upstream from fork in rd 304 Comment
  LA40186  Amsinckia menziesii A. M. Johnson; 1933-4-18 sn Los Angeles U.C.L.A. Botanical Garden Comment
  SEINET6692550 Image available Amsinckia tessellata Philip A. Munz 1949-4-26 13083 Los Angeles Near Phelan, Mohave Desert 945 Comment
  UCR205613  Amsinckia tessellata R. G. Swinney 2008-5-12 8833 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
  HSC17840  Anagallis arvensis C. S. Apperson 21 Jun [year missing] Los Angeles Newhall Ranger Station Comment
  RSA0091777  Anagallis arvensis R. G. Swinney 2011-4-9 14360 Los Angeles NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  RSA650589  Anagallis arvensis P. A. Hall 1948-5-5 s.n. Los Angeles Found in open area at the mayo Nursery, on Glendora Road, 1/2 mi. So. of Hwy #66. 244 Comment
  RSA660459  Anagallis arvensis Mary C. Hunter 1994-5-23 8 Los Angeles South Pasadena (Mission and Fair oaks Backyard). Comment
  RSA719095  Anthemis cotula Naomi Fraga 2001-5-27 47 Los Angeles California State Polytechnic University, Pomona. Voorhis Ecological Reserve. Comment
  RSA0073588  Antheropeas wallacei Orlando Mistretta, Christine Mistretta 2003-4-30 1981 Los Angeles Saddleback Butte State Park. 824 Comment
  RSA603328  Antirrhinum coulterianum Scott D. White 1997-5-21 5214 Los Angeles San Gabriel River Canyon: N of Azusa; roadside along Highway 39 above San Gabriel Reservoir. 476 Comment
  POM354869  Antirrhinum multiflorum L. E. Hoffman 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles National Forest. Comment
  UCR273273  Antirrhinum multiflorum R. G. Swinney 2011-7-7 15453 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  JEPS30731  Antirrhinum nuttallianum subsp. subsessile Peter H. Raven 1962-3-27 16998 Los Angeles 1.4 mi e Portugese Bend (along Palos Verdes Drive); Palos Verdes Hills Comment
  UCR247275  Antirrhinum orontium Dan S. Cooper 2013-7-29 713- 39 Los Angeles South Coast, Torrance; vacant lot just SW if Crenshaw Blvd. and East 208th St. intersection 23 Comment
  IRVC28710  Apium graveolens A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25493 Los Angeles Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley NE end of Santa Susana Mtns. 300 Comment
  RSA600270  Apocynum cannabinum L. C. Wheeler 1932-6-13 816 Los Angeles San Gabriel Mountains: San Dimas Canyon. 533 Comment
  RSA0087234  Aquilegia formosa R. G. Swinney 2010-9-13 13823 Los Angeles C. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek. 1244 Comment
  RSA0106505  Aquilegia formosa R. G. Swinney 2011-7-29 15557 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  RSA733042  Aquilegia formosa R. G. Swinney 1998-8-6 6703 Los Angeles Alder Gulch, a western tributary of upper East Fork San Gabriel River. 1159 Comment
  UCR178175  Arabidopsis thaliana LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 729 Los Angeles Transverse Ranges: Verdugo Mountains, SW-trending ridge east of the Brand Canyon Cemetery and west of the land fill; lower part of Brand Park Motorway 307 Comment
  UCR276723  Arabis platysperma R. G. Swinney 2010-9-21 13859 Los Angeles San Gabriel Mountains, summit of Mt. Hawkins, at north end of Copter Ridge 2698 Comment
  UC659992  Arabis pulchra Lincoln Constance 1941-4-10 2800 Los Angeles 13.5 mi w Lancaster (near Neenach); Antelope Valley 914 Comment
  LA212281  Arabis pulchra Lee Haines; 1968-3-30 s.n. Los Angeles NW corner. 6 miles south of Gorman. 1127 Comment
  RSA0034998  Arbutus unedo J. Means 1964-12-4 s.n. Los Angeles P.C. Arboretum. [most likely Pierce College Arboretum.] 243 Comment
  RSA228982  Arceuthobium californicum Robert F. Thorne 1971-8-25 41322 Los Angeles San Gabriel Mts., Angeles National Forest: On springy slope near Windy Spring on N slope of Mt. Islip. 2195 Comment
  CAS-BOT-BC410153  Arceuthobium occidentale Timothy S. Ross; Steve Boyd 1994-9-21 8320 Los Angeles Liebre Mountains ca. 150-260 m SW of town of Sandberg 1292 Comment
  SBBG32045  Arctostaphylos catalinae R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -271 Los Angeles upper Swain's (Swain) Cyn Comment
  SD45236  Arctostaphylos catalinae Reid Moran 1949-2-8 3153 Los Angeles Santa Catalina Island; canyon above White's Landing. 455 Comment
  CSUSB2277  Arctostaphylos gabrielensis Kimberlyn Williams 2007-5-7 s.n. Los Angeles San Gabriel Mountains South-facing slope above Big Pines Information Center, below road to JPL, opposite Mountain High Ski Resort, near pullout. 2163 Comment
  RSA626728  Arctostaphylos glandulosa Jon E. Keeley, Melanie Baer-Keeley 1992-10-15 22112 Los Angeles Glendora Ridge Road, 7 km southwest of Baldy Road. 1410 Comment
  RSA626818  Arctostaphylos glandulosa Jon E. Keeley, Melanie Baer-Keeley 1992-10-10 21998 Los Angeles Road 7N23, north of Burnt Peak. 1425 Comment
  RSA635137  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley, Allen Massihi 1992-8-20 20289 Los Angeles Road to Mt. Gleason, 200 m west of Mill Creek Summit. 1490 Comment
  RSA626684  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley 1992-10-15 22132 Los Angeles Campground below Mt. Baldy ski lift, San Gabriel Mtns. 1880 Comment
  RSA626836  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Melanie Baer Keeley 1992-10-15 22117 Los Angeles Glendora Ridge Rd., 7 km southwest of Baldy Rd., San Gabriel Mtns. 1410 Comment
  RSA629072  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Allen Massihi 1992-8-20 20300 Los Angeles Road to Mt. Gleason, 3.7 km west of Mill Creek Summit, San Gabriel Mtns. 1665 Comment
  CAS-BOT-BC23207  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1930-5-18 5174 Los Angeles Rocky slope, Pacoima Canyon, San Gabriel Mts. Comment
  LA210235  Arctostaphylos glandulosa subsp. mollis Alice Goen; 1931-3-7 Los Angeles Santa Monica Mountains, Mulholland Drive Comment
  RSA639177  Arctostaphylos glandulosa subsp. mollis L. C. Wheeler 1967-5-15 9553 Los Angeles Fremont pass, north side 541 Comment
  RSA367377  Arctostaphylos glauca Fordyce Grinnell Jr. 1910-6-20 2821 Los Angeles Long Canyon 1067 Comment
  RSA631433  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-6-18 15610 Los Angeles Mill Creek Summit, Angeles Forest Highway. 1460 Comment
  RSA631686  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-5-27 22820 Los Angeles Slope north of Switzer's, adjacent to Angeles Crest Highway. 1000 Comment
  UCR223040  Arctostaphylos glauca R. G. Swinney 2009-5-6 10667 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 1085 Comment
  RSA634364  Arctostaphylos parryana subsp. parryana Jon E. Keeley, Allen Massihi 1992-8-21 20617 Los Angeles Angeles Crest Highway, 1.7 km north of Sulphur Springs Road, San Gabriel Mountains. 1890 Comment
  RSA634721  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20520 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA634764  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22029 Los Angeles Dirt road between Chilao and Mill Creek Summit, 2.7 km E of turnoff to Pacifico Mtn., San Gabriel Mtns. 1825 Comment
  RSA634797  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20505 Los Angeles Chilao Campground. 1600 Comment
  RSA634799  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20459 Los Angeles S of Sulphur Springs Cpgrd, N of Angeles Crest Hwy, San Gabriel Mtns. 1700 Comment
  RSA634811  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20451 Los Angeles Pinyon Flats, N of Sulphur Springs Cpgrd, N of Angeles Crest Hwy, San Gabriel Mtns. 1610 Comment
  RSA634927  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20539 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA634929  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20236 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA635099  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20328 Los Angeles Road to Mt. Gleason, 5.3 km west of Mill Creek Summit, San Gabriel Mtns. 1670 Comment
  RSA635110  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20435 Los Angeles Road to Sulphur Springs Campground, 0.2 km north of dirt road to Pacifico Mtn., north of Chilao, San Gabriel Mtns. 1650 Comment
  RSA635139  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20577 Los Angeles Road to Suphur [Sulphur] Springs Cpgrd., across from Singing Pines Camp, 1.7 km N of Angeles Crest Hwy, N of Chilao. San Gabriel Mtns. 1640 Comment
  RSA635174  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
  CAS-BOT-BC401657  Argemone munita subsp. munita Belle Richardson Jackson 1941-6-1 s.n. Los Angeles Road up to Mt. Wilson, from La Canyada [Canada] Comment
  RSA0070362  Artemisia californica R. G. Swinney 2010-4-20 12284 Los Angeles San Gabriel Mountains: Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA502808  Artemisia douglasiana Timothy S. Ross, Anette Ross 1989-9-20 1783 b Los Angeles San Antonio Canyon west of Spring Hill in the canyon. 975 Comment
  UC892573  Artemisia douglasiana F. R. Fosberg 1931-7-11 S 5381 Los Angeles Cape Canyon Santa Catalina Island, Cape Canyon 220 Comment
  CAS-BOT-BC90334  Artemisia douglasiana Grant 1902-8-11 5042 Los Angeles Elysian Peak, Los Angeles Comment
  UCSB51446  Artemisia dracunculus Hodgson, John 1928-10-15 Los Angeles At Bailey Place, Peace Valley; Santa Barbara-Tejon Dist. Forest 944 Comment
Read comments
Apr 1 2015
  SBBG33817  Artemisia nesiotica F. C. Boutin 1967-4-23 1678 Los Angeles Lemon Tank, dump site 304 Comment
  IRVC27302  Artemisia tridentata A. C. Sanders, Mark Elvin 2003-8-7 27161 Los Angeles Newhall Ranch, Santa Clara River bottom east of Del Valle NE end of Santa Susana Mtns. 282 Comment
  UC205664  Artemisia tridentata I. M. Johnston 1917-8-22 Los Angeles crest Pine Mt. Ridge, San Antonio Mountains, Comment
  SBBG62478  Artemisia tridentata subsp. parishii L. R. Abrams 1916-10-31 6363 Los Angeles Fremont's Pass, near Newhall Comment
  SEINET231398  Artemisia tridentata subsp. parishii Leila M. Shultz 1981-10-14 5719 Los Angeles CULTIVATED; Rancho Santa Ana Botanic Garden, cultivated from apopulation collected at Newall, Los Angeles country 330 Comment
  CAS-BOT-BC97329  Artemisia tridentata subsp. tridentata W. R. Dudley; F. H. Lamb 1896-6-1 4611 Los Angeles Lockwood Valley Comment
  CAS-BOT-BC97331  Artemisia tridentata subsp. tridentata C. B. Wolf 1931-10-23 2493 Los Angeles Swartout Valley, 1 mile east of Wrightwood Lodge, San Gabriel Mts. 1828 Comment
  POM122755  Arthrocnemum subterminale Marcus E. Jones 1925-9-19 s.n. Los Angeles Seal Beach Comment
  UCR17976  Asclepias eriocarpa Dr. H. de Forest 1931-1 s.n. Los Angeles Western Transverse Range, 'Los Padres' [Angeles] National Forest, Ridge Route Comment
  SD31831  Asclepias fascicularis Edith A. Purer 1940-8-3 7990 Los Angeles 5 miles north of City Limit Comment
  SD113032  Asclepias vestita Darley F. Howe 1947-5-5 1547 Los Angeles Highway between Vincent and Littlerock; Mojave Desert. Comment
  RSA686320  Aspidotis californica E. Crow 1928-10-21 7 Los Angeles San Dimas Canyon, San Gabriel Mts. Comment
  SBBG119428  Aspidotis californica S. D. White with P. De Vries 2000-5-18 7895 Los Angeles foothills above Irwindale, Fish Crk Cyn, from the mouth of the cyn at CalMat quarry upstream to falls 305 Comment
  RSA84995  Asplenium vespertinum F. W. Peirson 1921-6-21 2840 Los Angeles West Fork of San Gabriel River. 610 Comment
  RSA417670  Aster greatae Geo L. Moxley 1914-9-6 274 Los Angeles Little Bear Canyon; San Gabriel Mts. Comment
  UCR190880  Aster greatae R. G. Swinney 1999-7-14 7551 Los Angeles San Gabriel Mtns., Laurel Gulch, an eastern tributary of East Fork San Gabriel River Canyon 854 Comment
  RSA594407  Aster subulatus var. ligulatus Steve Boyd, Lauren Raz 1996-10-14 9085 Los Angeles Liebre Mountains region, southwest end of Quail Lake, in seasonally flooded depression on south side of Highway 138. 1021 Comment
  RSA498252  Astragalus Robert M. Perkins 1935-3-30 s.n Los Angeles Along the highway. Comment
  RSA759630  Astragalus brauntonii A. Edwards, S. Norton 2010-8-5 2010 -4 Los Angeles City of Los Angeles, adjacent to Topanga State Park. Along and adjacent to existing trail. 538 Comment
  UCR191262  Astragalus douglasii R. G. Swinney 1998-7-2 6209 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  JEPS54727  Astragalus lentiginosus var. variabilis Dr. A. Davidson 1893-1 Los Angeles Lancaster , Lancaster (Mojave Desert) Comment
  SD111581  Astragalus leucolobus W. P. Armstrong 1982-7-17 Los Angeles Along road to Table Mt. northwest of Big Pines, near summit (mak 10/07) 2255 Comment
  RSA534120  Astragalus nevinii T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5086 Los Angeles San Clemente Island: west Cove, SW of the new landing field 6 Comment
  SD92001  Astragalus nevinii R. Mitchel Beauchamp, T. Oberbauer 1975-8-25 22704 Los Angeles San Clemente Island, NW end on sandy flat 4 Comment
  SEINET948572  Astragalus nigrescens G. B. Grant 1903-1 75 -a Los Angeles Sangus Comment
  UCR274564  Astragalus preussii var. laxiflorus Kelly Schmoker 2014-6-18 s.n. Los Angeles Western Mojave Desert, Edwards Air Force Base, south of Buckhorn Dry Lake, W of 100th St. East and north of Ave. 'A' near its end, NE of old homestead site and NW of 'L' shaped windbreak 699 Comment
  RSA415734  Astragalus trichopodus var. lonchus G. Austin 1929-2-18 s.n Los Angeles Glen Ranch. Comment
  SBBG13726  Astragalus trichopodus var. lonchus P. H. Raven 1962-5-20 17794 Los Angeles Middle Cyn 2.9 mi above the Ranch 243 Comment
  CAS-BOT-BC199088  Astragalus trichopodus var. phoxus Cecil Hart 1927-4-10 s.n. Los Angeles Ridge route to Lancaster. Comment
  RSA15344  Astragalus trichopodus var. phoxus C. B. Wolf 1926-04 s.n. Los Angeles Big Tujunga Wash, east of San Fernando Comment
  UC130907  Astragalus trichopodus var. phoxus Katharine Brandegee May 1909 Los Angeles Saugus -- along the creek Comment
  UCR161203  Atriplex argentea T. B. Salvato, Melissa Clemons 2005-9-27 1225 Los Angeles West Mojave Desert, western edge of the Lancaster Sewage Disposal Ponds near the intersection of Hwy 14 and Avenue D, c. 4 miles SW of Rosamond (dry) Lake 704 Comment
  RSA226015  Atriplex canescens subsp. canescens R. F. Thorne, C. W. Tilforth 1971-6-29 40681 Los Angeles Soledad Canyon: N slope San Gabriel Mountains, ca 1.5 miles E of junction of Aliso Creek wash and Santa Clara River. Angeles National Forest. 884 Comment
  RSA639753  Atriplex canescens subsp. canescens L. C. Wheeler 1956-9-15 7240 Los Angeles San Gabriels Mountains: Caldwell Lake. Comment
  RSA739269  Atriplex halimus R. E. Riefner 2007-9-23 07 -401 Los Angeles Palos Verdes Peninsula, vicinity of via Coronel Road and Via Olivera Road, Margate School 105 Comment
  UCR125261  Atriplex heterosperma A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25539 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, at circular cement cattle trough on south side of valley 366 Comment
  RSA478282  Atriplex lentiformis subsp. breweri Robert Gustafson 1981-6-17 2236 Los Angeles Ballona Wetlands, Area 1 Comment
  OBI6008  Atriplex nummularia Carl B. Wolf 1931-12-30 2632 Los Angeles Playa del Rey 15 Comment
  RSA65392  Atriplex nummularia L. C. Wheeler 1933-4-27 1657 Los Angeles Playa Del Rey Comment
  CATA790  Atriplex semibaccata Mark L. Hoefs, Robert Given 1991-6-12 1358 Los Angeles Santa Catalina Island: Near road above Salta Verde Beach 176 Comment
  RSA741087  Atriplex semibaccata Justin M. Wood 2008-11-20 236 Los Angeles ANF Road (1N36) / SCE access road W of Van Tassel Canyon. Above the city of Duarte. 305 Comment
  UCR24093  Atriplex semibaccata John C. Roos 1937-9-7 s.n. Los Angeles Westwood Village, Los Angeles 90 Comment
  POM122828  Atriplex semibaccata Marcus E. Jones 1926-9-9 s.n. Los Angeles San Clemente Island. Comment
  SBBG130606  Atriplex suberecta S. A. Junak 2000-10-12 SCa 1407 Los Angeles Skull Cyn, 0.4 mi from Middle Cyn Rd, just outside gate at storage yard 204 Comment
  RSA385381  Avena barbata Edith A. Purer, Freda Detmers 1931-3-25 s.n. Los Angeles Near Torrance. Comment
  RSA675810  Avena barbata LeRoy Gross 2003-3-7 759 Los Angeles Northwest side. Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane, off of Newhome Ave. in city of Sunland. 555 Comment
  RSA714065  Avena barbata G. Ocampo 2006-3-19 1670 Los Angeles En los limites de Claremont con Upland, sobre la avenida Foothill, esquina con Montevista Ave. Claremont. 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
  RSA599329  Avena fatua Steve Boyd, Lauren Raz 1997-3-26 9357 Los Angeles Liebre Mountains region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 976 Comment
  SEINET3919707  Avena fatua Joseph Marlowe Keefe 2001-1-19 30938 Los Angeles San Rafael Mountains. End of sidewalk, along Eagle Rock View Drive, south face of The Eagle Rock. Los Angeles, California 90041.; 0 293 Comment
  CATA313  Azolla filiculoides Mark L. Hoefs 1973-6-5 339 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon, in stream bed by main road at bridge 22 Comment
  SD69578  Baccharis glutinosa Robert F. Thorne 1966-9-14 36657 Los Angeles Santa Catalina Island, shallow water of small stream in lower Middle Ranch Canyon near junction of Isthmus road and road to Ben Weston Beach 60 Comment
  LA200168  Baccharis pilularis Jonathan Sauer; L. Loeher 1973-11-15 5561 Los Angeles 281 Comment
  RSA550720  Baccharis pilularis Timothy S. Ross, Annette Ross 1991-7-29 5695 Los Angeles Elephant Hill, N most point of the Puente Hills, W Pomona. 229 Comment
  RSA599027  Baccharis pilularis L. C. Wheeler 1967-11-11 s.n. Los Angeles San Gabriel Mountains: Placerita Canyon 1/4 mi. southeast of Sierra Highway 451 Comment
  UCR282612  Baccharis plummerae Dan S. Cooper 2016-8-17 816- 10 Los Angeles Temescal Canyon Park, east of Temescal Canyon Rd. 18 Comment
  LA88393  Baccharis salicifolia O. H. Kappler; 1943-4-28 379 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  SFV6211  Baccharis salicifolia R. M. Muran 1974-2-2 7 Los Angeles Santa Monica Mountains About 2 miles south of Mulholland Drive in Mandeville Canyon. 427 Comment
  RSA003926  Balsamorhiza deltoidea LeRoy Gross, P. Morton 2004-6-10 1379 Los Angeles East end of the main crest; (Road surveys for the Angeles National Forest, road 7N23) Traveled from east to west [west to east] from the junction with Atmore Meadows road (7N19) along Sawmill Mountain to Burnt Peak road (7N23A) 1590 Comment
  UC1536833  Balsamorhiza deltoidea G. H. True Jr. 1935-3-27 177 Los Angeles 5 mi sw Palmdale 944 Comment
  JEPS42575  Barbarea orthoceras Frank W. Peirson 1922-7-5 3166 Los Angeles Big Pines San Gabriel Mountains, Swartout Valley region (in the Swartout Valley region, n side of San Gabriel Mountains) 2072 Comment
  UC527404  Beta vulgaris Carl B. Wolf 1932-5-12 3579 Los Angeles border of Catalina Harbor Santa Catalina Island; , border of Catalina Harbor 3 Comment
  JEPS32543  Bidens frondosa Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco Comment
  POM350840  Bidens frondosa L. C. Wheeler 1932-9-19 1401 Los Angeles Los Angeles R. [River] at Los Feliz Blvd 122 Comment
  UC53910  Bidens laevis Ernest Braunton 1902-7-1 576 Los Angeles Los Angeles River Comment
  RSA155807  Bituminaria bituminosa P. A. Munz 1962-5-29 24319 Los Angeles lower Millard Canyon near fire road 610 Comment
  RSA683104  Bituminaria bituminosa Scott D. White 2003-10-14 9831 Los Angeles Foothills above Sierra Madre; LA Dept. of Public Works Carter Debris Basin, at the norther terminus of Baldwin Ave. 366 Comment
  RSA616265  Bloomeria crocea Scott D. White, P. DeVries 1998-5-15 6494 Los Angeles Liebre Mountains. Soledad Canyon Area: proposed quarry N of Soledad Canyon Road, S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Canyon. 579 Comment
  CAS-BOT-BC482059  Bloomeria crocea var. crocea C. E. Miller 1915-6-11 S.N. Los Angeles Santa Catalina Island Comment
  RSA674839  Boechera Scott D. White, Kent Hughes 2000-5-16 7835 Los Angeles San Gabriel Mts.: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  UC457230  Boechera sparsiflora Carl Epling, Nesta Dunn, and Alice Goen 1931-5-16 Los Angeles Swartout Valley San Gabriel Mts. Comment
  SEINET8466969 Image available Boschniakia strobilacea J. Henrickson 1971-7-3 5648 Los Angeles 12 air mi N of Upland, 1/2 mi NW of top of ski lift along Devils Backbone Ridge. Comment
  UC284129  Bowlesia incana P. A. Munz 1923-4-9 6643 Los Angeles e coast of San Clemente Island San Clemente Island Comment
  RSA527622  Bowlesia incana Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4406 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  LA201701  Boykinia rotundifolia Arthur C. Gibson; 2001-5-18 4830 Los Angeles SANTA MONICA MOUNTAINS, Big Sycamore Canyon, Point Mugu State Park, near boundary of Point Mugu State Park and Circle X. Comment
  RSA584293  Boykinia rotundifolia T. S. Ross, Orlando Mistretta 1993-5-27 7338 Los Angeles W end of the San Gabriel Mountains: Wilson Canyon, along the riparian strip. 588 Comment
  SEINET10858337 Image available Brassica rapa Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2577 Los Angeles City of San Gabriel. Hawaii Supermarket, 120 E. Valley. Comment
  CAS-BOT-BC100410  Brickellia californica Joseph Andorfer Ewan 1936-8-2 9911 Los Angeles Mescal Creek, San Gabriel Mts. 1615 Comment
  POM351121  Brickellia californica Geo C. Johnstone 1927-10-30 s.n. Los Angeles upper part of Big Tujunga Canyon Comment
  IRVC28739  Brickellia nevinii A. C. Sanders, M. S. Enright, Mark Elvin, Cathleen Weigand 2002-8-8 25578 Los Angeles Newhall Ranch, ridgetops on the south side of Potrero Canyon, above the dirt road to bench mark 1804, N of East Fork Salt Canyon NE end of Santa Susana Mtns. 488 Comment
  RSA228865  Brickellia nevinii R. F. Thorne 1971-6-26 40633 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Tujunga Canyon 427 Comment
  RSA703516  Brickellia nevinii Michael Honer 2004-6-22 2010 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon and 'Hog Back.' 854 Comment
  UCR190093  Bromus R. G. Swinney 1998-7-30 6585 Los Angeles San Gabriel Mtns., tributary of Cow Canyon at Fallen Leaf Spring, c. 2.4 mi. SW of Cow Cyn. Saddle on Glendora Ridge Rd. 1338 Comment
  RSA385300  Bromus arizonicus Anstruther Davidson 1917-04 3178 Los Angeles E. Los Angeles. Comment
  SEINET887800  Bromus breviaristatus Timothy S. Ross, Steve Boyd 1990-1 2747 Los Angeles Ridge descending northward from MT. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon; Rancho Santa Ana Botanic Garden Comment
  RSA385297  Bromus carinatus Gary D. Wallace 1979-5-3 1840 Los Angeles L.A. County Arboretum, Arcadia. Comment
  RSA773824  Bromus carinatus R. G. Swinney 2009-6-3 11034 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR223740  Bromus carinatus R. G. Swinney 2009-6-24 11236 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  RSA629687  Bromus carinatus var. carinatus Scott D. White, Dave Bramlet 1998-8-11 7052 Los Angeles San Gabriel Mts.: West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mile closed section of Highway 39 from ca. 1.6 mile W of junction Crystal Lake access road to junction Highway 2. 1707 Comment
  RSA595324  Bromus catharticus D. L. Banks 1996-4-24 910 Los Angeles Claremont, localized escape in the lawn at the corner of Doane Ave. & Guilford Ave., The lawn has not been mowed in several weeks and is hosting several other escaped grass species, as well as introduced broad-leaved weeds such as Cerastium vulgare, Cotula australis, Erodium cicutarium, Brassica sp., etc. Comment
  LA13816  Bromus diandrus A. M. Johnson; 1932-4-8 3934 Los Angeles SANTA MONICA MOUNTAINS, UCLA campus. 121 Comment
  RSA623758  Bromus diandrus Arthur R. Kruckeberg 1940-3-29 138 Los Angeles Occidental College, back of Occidental nursery. Comment
  UCR203186  Bromus diandrus R. G. Swinney 2005-5-21 8268 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  RSA17068  Bromus grandis C. B. Wolf 1936-5-27 7845 Los Angeles Indian Canyon Camp, 2 miles off Soledad Canyon 915 Comment
  RSA702155  Bromus grandis Michael Honer 2004-6-22 1988 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon and 'Hog Back.' 854 Comment
  CAS-BOT-BC155396  Bromus hordeaceus L. Street; G. Williams 1919-4-12 2498 Los Angeles Hills near Priente. Comment
  RSA0085035  Bromus hordeaceus R. G. Swinney 2010-4-30 12444 Los Angeles Near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn. 537 Comment
  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
  SBBG128544  Bromus hordeaceus M. L. Hoefs, S. A. Junak 1999-5-20 3045 Los Angeles near rd between Black Jack Cmpgrd and Airport Rd (by mine shaft) 487 Comment
  SBBG13575  Bromus hordeaceus E. R. Blakley 1961-9-24 4778 Los Angeles Little Harbor at mouth of Little Springs Cyn 6 Comment
  UCR147606  Bromus laevipes Naomi Fraga, Paul Morton 2004-5-18 1183 Los Angeles Transverse Ranges; San Gabriel Mountains region, On ridgeline of Mount Hillyer, near summit 1860 Comment
  SBBG131660  Bromus madritensis S. A. Junak 1999-5-20 SCa 944 Los Angeles just S of Cottonwood-Black Jack Rd 304 Comment
  UCR126850  Bromus madritensis A. C. Sanders, Mark A. Elvin 2003-6-18 26963 Los Angeles Santa Susana Mountains, Western Transverse Range, private dirt road along crest of range, above Salt Canyon 976 Comment
  RSA0112842  Bromus madritensis Steven A. Junak 1999-5-21 SCa- 964 Los Angeles Santa Catalina Island. At ridge just E of KBRt Radio Station, along S side of Airport Road, plants stop, on E side of KBRT Valley. 445 Comment
  RSA483706  Bromus madritensis subsp. madritensis Richard Noyes, L. Arnseth 1988-4-30 524 Los Angeles Claremont; 100 meters east of Thompson Creek Dam 500 Comment
  UC1551925  Bromus madritensis subsp. rubens David Charlton 1988-4-2 h Los Angeles Cleghorn Road Turnoff on Cajon Pass, I 15, Swarthout Valley Road to end of pavement Cajon Pass; , Cleghorn Road Turnoff, Swarthout Valley Road 1524 Comment
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Feb 4 2015
  UC1922852  Bromus madritensis subsp. rubens Valerie Soza, Miriam Sidibeh 2003-3-26 1596 Los Angeles Transverse Ranges; Verdugo Mountains region; North side of La Tuna Canyon, Haines Canyon Park vicinity, south of Dorothy and Estepa Dr. intersection. 625 Comment
  UCR258835  Bromus rubens R. G. Swinney 2010-3-22 12041 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  SEINET11672459  Bromus rubens C. V. Braun 1975-1 154 Los Angeles above San Francisquito Canyon Road, 2 mi SW of junction with Spunky Canyon Road Comment
  RSA611252  Bromus sterilis L. C. Wheeler 1968-5-25 s.n. Los Angeles San Gabriel Mountains: West side of Bear Creek, off West Fork San Gabriel River. 610 Comment
  UCD59725  Bromus sterilis Marian Vincent 1964-6-24 580 Los Angeles Wrightwood Road at old Ice Skating Rink across the road from Camp Centinella 3 miles west of Wrightwood. Comment
  UCR192158  Bromus trinii A. C. Sanders 2008-4-18 34974 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, at lowest wash-crossing of road in canyon 1029 Comment
  SEINET11942317  Calandrinia breweri I. W. Clokey, Templeton, B. 1929-1 4524 Los Angeles Mandeville Canyon, Santa Monica Mountains 350 Comment
  RSA466550  Calandrinia ciliata T. S. Clare 1930-4-7 s.n. Los Angeles Sandberg. Comment
  RSA594967  Calandrinia ciliata Timothy S. Ross 1995-4-26 8380 Los Angeles Southwesterly slope of LIEBRE MOUNTAIN along Forest Service Road 7N23; ca 4300 ft SW of Sandberg Triangulation Point (5345 ft) 1415 Comment
  RSA0038304  Calandrinia ciliata var. menziesii L. C. Wheeler 1932-3-20 510 Los Angeles Head Mandeville Canyon, Santa Monica Mts. 457 Comment
  LA210885  Calocedrus decurrens Arthur C. Gibson; Hanan Abels Sullivan, Tarja Sagar 2009-6-19 5252 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek State Park, near culvert beneath trail, Buldog Trail. Comment
  RSA352843  Calocedrus decurrens Mary D. Merilatt 1936-7-15 s.n. Los Angeles Los Angeles Calif South Park. Canyon, mountain slopes. Comment
  RSA607017  Calochortus albus Leota Brice 1880-4-28 s.n. Los Angeles San Fernando Comment
  RSA68669  Calochortus albus Frank W. Peirson 1920-6-10 2163 Los Angeles Little Santa Anita Canyon, San Gabriel Mountains 1067 Comment
  CAS-BOT-BC132286  Calochortus catalinae Emily Bartlett 1928-3-18 s.n. Los Angeles In [Topango Canon] Topanga Canyon Comment
  RSA0050038  Calochortus clavatus Wendy Boes, Kevin McCrummen 2009-5-25 2009 -017 Los Angeles Western Transverse Ranges; Sierra Pelona Ridge off Forest Rd. 6N07 1036 Comment
  RSA377340  Calochortus clavatus var. gracilis Anstruther Davidson 1914-06 2975 Los Angeles San Gabriel Canyon, San Gabriel Mountains. Comment
  UCR182642  Calochortus invenustus R. G. Swinney 1997-6-25 5640 Los Angeles San Gabriel Mtns., southwest of Wrightwood, Blue Ridge c. 0.5 mi. west of Guffy Camp, Forest Service Rd. 3N06, c. 5.1 miles east of Hwy 2 2518 Comment
  UCR147551  Calochortus plummerae Naomi Fraga, Et al. 2004-6-3 1236 Los Angeles Transverse Ranges; San Gabriel Mountains, On fuel break above Evey Canyon. 793 Comment
  SBBG57799  Calochortus venustus R. Hoffmann 1927-6-13 Los Angeles Chandler's, Ridge Route (US Hwy 99) Comment
  UCR263076  Calyptridium monandrum Mitch Provance 2008-4-14 10142 Los Angeles Western Transverse Range; Liebre Mountains, southeast of Quail Lake, 1.4 miles southeast of Hwy 138 on FSR N2/Ridge Route Road 1160 Comment
  UCR190100  Calystegia macrostegia R. G. Swinney 1998-7-30 6592 Los Angeles San Gabriel Mtns., lowest large waterfall in Spruce Canyon, a tributary from the west of San Antonio Canyon 976 Comment
  SBBG98626  Calystegia macrostegia subsp. amplissima T. Ross 1991-5-20 5351 Los Angeles ca. 5500 ft S of Wilson Cove settlement; 2500' NW of 750' Benchmark 185 Comment
  RSA0119672  Calystegia macrostegia subsp. arida R. G. Swinney 2014-5-21 16638 Los Angeles San Gabriel Mountains; Glendora, along ridgetop and n. side of ridge, due south of the w. fork of Harrow Cyn., n. of the terminus of Glendora Ave., along historic and un-used Whitcomb Trail, trail abandoned in early 1970's. 549 Comment
  LA50069  Calystegia macrostegia subsp. cyclostegia F. R. Fosberg; 1932-5-7 8138 Los Angeles Santa Catalina Island, Coach Rd. above Hamilton Canyon 220.0 Comment
  RSA71120  Calystegia occidentalis subsp. fulcrata F. W. Peirson 1919-6-14 497 Los Angeles Rock Creek. 1905 Comment
  CAS-BOT-BC215910  Calystegia peirsonii Timothy S. Ross; J. Mark Porter 1995-5-4 8447 Los Angeles Ca 1.9 road miles NE of Bouquet Canyon Road, Texas Canyon, Liebre Mountains 585 Comment
  CHSC70525  Calystegia peirsonii R. A. Schlising 1972-6-1 3040 Los Angeles West of Palmdale, along Bouquet Canyon Road, 3.7 mi. E of junction with Spunky Canyon Road and the Bouquet Reservoir. Comment
  OBI70618  Calystegia peirsonii Steve Boyd 1997-5-1 9679 Los Angeles Liebre Mtns Region: Sierra Pelona ridgeline, about 1.5 mi W of Mt. McDill and 1.3 mi SSE of Lincoln Crest, the head of Bouquet Cyn 1512 Comment
  RSA710605  Calystegia peirsonii R. K. Brummitt, David J. Keil 1998-5-25 20029 Los Angeles 14 km N of Castaic, foot of Warm Springs Canyon; roadside bank in mesic chaparral on schist. 665 Comment
  UCR128154  Calystegia peirsonii Mark A. Elvin, Cathleen Weigand 2003-4-7 2447 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, south of Castaic Creek, north of SR 126 297 Comment
  RSA71111  Calystegia soldanella F. W. Peirson 894 Los Angeles Ballona Comment
  POM3088  Camissonia bistorta E. L. Brown 1893-05 s.n. Los Angeles Los Angeles, Elysian Park Comment
  RSA465686  Camissonia bistorta T. S. Clare 1929-2-25 s.n. Los Angeles Santa Monica, roadside Comment
  RSA225715  Camissonia californica Robert F. Thorne, A. C. Gibson 1971-5-22 39705 Los Angeles San Gabriel Mountains: Near mouth of Fish Canyon. 244 Comment
  UCR252735  Camissonia californica R. G. Swinney 2010-5-29 13410 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  RSA775517  Camissonia confusa Orlando Mistretta, Christine Mistretta 2010-5-20 5178 Los Angeles Aliso Creek, slopes W of Angeles Forest Hwy., 0.6 miles S of jct. with Aliso Cyn. Rd. 1280 Comment
  RSA448978  Camissonia hirtella Sarah G. Kemp 1931-7-12 s.n. Los Angeles Mt. Wilson Comment
  SDSU3383  Camissonia micrantha H. Wedberg 1957-4-1 13 Los Angeles In coastal sage on Point Dume. Comment
  UCR188660  Camissonia micrantha R. G. Swinney 1990-3-24 1562 Los Angeles Los Angeles Basin, South Hills Park, Glendora Centennial Heritage Park, in the city of Glendora, south of Big Dalton Channel 238 Comment
  RSA596171  Camissonia pallida subsp. pallida Louis C. Wheeler 1967-5-12 9437 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA0034177  Camissonia strigulosa Pam De Vries 2013-4-9 7844 Los Angeles About 1.0 air miles south of the Gorman offramp on the northbound I5, along Gorman Post Road, west side. 1097 Comment
  UCR223766  Camissonia strigulosa R. G. Swinney 2009-5-28 10959 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR273551  Camissonia strigulosa R. G. Swinney 2011-5-10 14659 Los Angeles San Gabriel Mountains, Los Pinetos Canyon, east end of Placerita Cyn. Natural Area at Walker Ranch 573 Comment
  SBBG15852  Camissoniopsis bistorta W. G. Webb 1935-4-17 Los Angeles Arroyo Seco Comment
  UC54695  Camissoniopsis bistorta L. A. Greata May, 1903 312 Los Angeles Arroyo Seco Comment
  UCD103442  Camissoniopsis bistorta Kenneth A. Wilson 1961-2-20 864 Los Angeles San Gabriel Mountains. Little Tijunga. Comment
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Oct 29 2014
  SBBG61441  Camissoniopsis hirtella R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  SD39520  Camissoniopsis hirtella Edith A. Purer 1935-5-11 6590 Los Angeles Santa Monica Mountains Comment
  UCD103471  Camissoniopsis ignota Daryl Koutnik 1978-3-16 120 Los Angeles South of intersection of Cornell and Agoura Roads. 274 Comment
  RSA519141  Campanula elatines Steven Maas 1990-5-20 s.n. Los Angeles Palos Verdes Hills, Portuguese Canyon. 488 Comment
  RSA530916  Cannabis sativa Walter Kelley 1971-5-26 4 Los Angeles In Stunt Canyon. Santa Monica Mountains. Comment
  CATA1440  Capsella bursa-pastoris Mark L. Hoefs, Robert F. Thorne 1996-4-6 2603 Los Angeles Santa Catalina Island: Pebbly Beach 6 Comment
  UCR209452  Carex R. G. Swinney 2008-10-10 9555 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
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Sep 12 2018
  RSA364526  Carex Anstruther Davidson 1890-04 s.n. Los Angeles Los Angeles. Comment
  RSA0091347  Carex alma R. G. Swinney 2011-5-12 14707 Los Angeles San Gabriel Mountains: along Cabin Canyon Creek near the confluence with Aliso Cyn. 1195 Comment
  RSA733771  Carex alma R. G. Swinney 1998-7-29 6527 Los Angeles San Gabriel Mtns.: Dawson Peak Ridge (west side), at spring on NNW facing slope, c. 100 m abve canyon bottom, c. 0.5 mi. NE of Upper Fish Fork Camp 2110 Comment
  CAS-BOT-BC17658  Carex alma George B. Grant 1904-6-17 6305 Los Angeles Arroyo Seco Canyon near Pasadena. Comment
  RSA669141  Carex alma LeRoy Gross 2002-6-24 546 Los Angeles North side.Off La Tuna Canyon Road (Santa Monica Mountains Conservancy Land). 549 Comment
  SEINET7549359 Image available Carex alma Orlando Mistretta 1995-4-11 1619 Los Angeles San Gabriel Mountains, Santiago Canyon, Canyon and slopes draining W. slopes of Santiago Canyon ca. 1 mi. SW of confluence with Little Rock Creek. Pacifico Mtn. 7.5' USGS topographic quadrangle. 1097 Comment
  RSA605015  Carex athrostachya L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1997 Comment
  CAS-BOT-BC21306  Carex fracta John Thomas Howell 1947-7-18 23424 Los Angeles San Gabriel Mountains. Big Pines. 2103 Comment
  RSA763749  Carex multicaulis Orlando Mistretta, Christine Mistretta 2008-5-20 3141 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 95 per TRTP Survey 2008), Rincon Red box Rd., W Fork of the San Gabriel River, N slope of Monrovia Pk. 1453 Comment
  UCR238474  Carex multicaulis Orlando Mistretta, Christine Mistretta 2008-5-20 3141 Los Angeles Transverse Ranges; San Gabriel Mountains, Southern California Edison transmission line corridor (Segment 6, structure 95 per TRTP Survey 2008), Rincon Red Box Road, west Fork San Gabriel River, north slope of Monrovia Peak 1453 Comment
  SEINET7568448 Image available Carex multicaulis Orlando Mistretta, Steve Boyd 1994-6-21 1380 Los Angeles San Gabriel Mountains, Santiago canyon, drainage northwest of Pacifico Mountain. Pacifico Mtn 7.5' USGS topographic quadrangle. 1676 Comment
  OBI70659  Carex pellita Steve Boyd, Lauren Raz 1997-5-28 9857 Los Angeles Liebre Mts Region: Knapp Ranch area at upper end of Castaic Crk drainage in broad alluvial valley at head of Cienaga Cyn; S of Liebre Mtn 939 Comment
  UC212795  Carex phaeocephala I. Johnston 1917-7-4 1399 Los Angeles summit Baldy 3048 Comment
  CAS-BOT-BC118421  Carex praegracilis Ivan Murray Johnston 1917-6-14 1272 Los Angeles West of Pomona, wet ground along creek. Comment
  UCR180151  Carex praegracilis Scott D. White, Andrea Warniment 2006-7-7 11613 Los Angeles SE Tehachapi Mtns, Gorman area, Gorman Creek NE of the I-5 Freeway 1098 Comment
  UCR210113  Carex praegracilis R. G. Swinney 2008-10-16 9623 Los Angeles San Gabriel Mtns., Big Pine Meadow 2061 Comment
Read comments
May 10 2012
  RSA364614  Carex schottii George B. Grant 1904-04 s.n. Los Angeles Pasadena. Comment
  SBBG119541  Carex schottii V. Soza, L. Moore 2000-6-14 1015 Los Angeles spring at Big Cienega, ca. 0.6 mi NE of Deer Flat Cmpgrd along S Hawkins Rd (FS Rd 3NO7.2) 1981 Comment
  CAS-BOT-BC115973  Carex subfusca Ivan Murray Johnston 1917-7-4 1399 Los Angeles Summit of Old Baldy [Mtn is in both LA & SanBrndo Cos.; summit is in LA Co.]. 3048 Comment
  RSA0000228  Carex subfusca I. M. Johnston 1917-7-31 1505 Los Angeles San Antonio Mts. Icehouse Canon. 1982 Comment
  UC1541109  Carex tumulicola F. C. Boutin 1967-4-23 1690 Los Angeles se Lemon Tank (next to major drainageway and canyon, e side of island); San Clemente Island Comment
  CATA1744  Castilleja affinis Mark L. Hoefs, Steven A. Junak, Keri Kirkland 2001-4-14 3141 Los Angeles Santa Catalina Island: Upper Middle Canyon on hillside by Edison pump house 371 Comment
  RSA425914  Castilleja affinis Anstruther Davidson 1889-07 s.n. Los Angeles Hills N. of Los Angeles Comment
  SEINET4095423  Castilleja affinis R. Moran 1941-1 609 Los Angeles North of Wilson's Harbor, Santa Catalina Island. 50 Comment
  RSA555192  Castilleja angustifolia Robert F. Thorne 1973-5-11 43536 Los Angeles Along Mt. Emma Road, 1/2 mi. E of Little Rock Creek below the dam. 1037 Comment
  RSA0110209  Castilleja applegatei Richard G. Swinney 2011-5-16 14755 Los Angeles San Gabriel Mountains: Camp Colby (C. Ranch), 1.18 miles at 73 degrees SSE of jct. of Colby Ranch Rd. and FS Rd 3N19 in upper Big Tujunga Cyn., c.150m N of lodge on a SW-facing slope, E of the swimming pool. 1220 Comment
  RSA660507  Castilleja applegatei subsp. martinii Gerald Braden, Lori Ackerman 1988-5-19 37 Los Angeles Strawberry Peak, San Gabriel Mountains. Comment
  SBBG66835  Castilleja chromosa R. Hoffmann 1929-4-28 Los Angeles Harold, near Palmdale Comment
  IRVC28121  Castilleja exserta A. C. Sanders, Mark A. Elvin, et al. 2003-5-1 26278 Los Angeles NE side of Castaic Mesa, ca. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch Western San Gabriel Mtns. 396 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
  UC538073  Castilleja exserta subsp. exserta David D. Keck 1935-3-18 3018 Los Angeles 2 mi e El Monte; San Gabriel River 91 Comment
  CHSC100405  Castilleja foliolosa John Dittes; Josephine Guardino 2008-2-23 1508 Los Angeles Western Transverse Ranges; San Gabriel Mtns.; Aliso Cyn; ca. 6.5 air-miles SE of Acton, ca. 2.6 air-miles N of Mill Creek Summit, 1.1 air-mile S x SE of Angeles Forest Highway and Santiago Truck Trail intersection. 1197 Comment
  POM9709  Castilleja foliolosa Philip A. Munz 1921-4-24 4433 Los Angeles Ridge Road, near Castaic. 610 Comment
  UCR180577  Castilleja foliolosa Scott D. White, Pam Devries 2006-5-10 11449 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
  RSA660821  Castilleja foliolosa Stephen Dreher, LeRoy Gross 2001-4-12 614 Los Angeles Verdugo Mountains; south facing slope right above the 210 freeway west bound, just west of La Tuna Canyon Road exit. 549 Comment
  JEPS88978  Castilleja grisea Mark Egger and Jennifer Stone 1995-4-15 679 Los Angeles Pyramid Head area, lowest terrace, NW base of Balanced Rock, ca. 50 m from sea San Clemente Island Comment
  RSA638953  Castilleja minor subsp. spiralis Louis C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: Burkhart Trail, 0.4 miles (airline) south southeast of Burkhart Saddle. 2012 Comment
  CATA2074  Casuarina equisetifolia Benjamin E. Carter 2012-8-31 7019 Los Angeles Santa Catalina Island: Black Jack Campground. 460 Comment
  RSA0097148  Caulanthus amplexicaulis R. G. Swinney 2011-5-31 14893 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1096 Comment
  RSA0106732  Caulanthus amplexicaulis R. G. Swinney 2011-5-19 14789 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), near entrance gate to camp, 0.54 miles at 84 deg SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Colby Cyn. 1018 Comment
  SD111602  Caulanthus amplexicaulis Wayne P. Armstrong 1982-6-26 Los Angeles Trail up south fork of Big Rock Creek; 2.0 km southwest of South Fork Campground. 1700 Comment
  RSA585337  Caulanthus cooperi Timothy S. Ross 1991-4-27 4646 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line 1183 Comment
  RSA618785  Caulanthus cooperi L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon approximately 1/2 mile east of Blum Ranch 945 Comment
  UC592156  Caulanthus cooperi H. L. Mason 1932-4-1 6857 Los Angeles one mi e Lancaster; e of Lancaster Comment
  UCR200134  Caulanthus heterophyllus Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 771 Los Angeles Verdugo Mountains, south side, above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Motorway 518 Comment
  UCR108342  Caulanthus inflatus L. C. Wheeler 1973-4-20 S.N. Los Angeles San Gabriel Mtns., Edge of Antelope Valley. 40th Street East, between the California Water Project Canal and Barrel Springs Road 927 Comment
  UCR194255  Caulanthus lasiophyllus R. G. Swinney 1998-8-5 6661 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch 1235 Comment
  SBBG51624  Caulanthus lasiophyllus R. Gustafson, C. Davidson 1977-4-20 404 Los Angeles Escondido Cyn Rd ca. 1 mi NE of jct with Agua Dulce Cyn Rd 762 Comment
  CAS-BOT-BC47913  Ceanothus arboreus Geo. B. Grant 1898-2-20 1588 Los Angeles Dry Hills, Avalon Comment
  CAS-BOT-BC47949  Ceanothus arboreus Robert F. Thorne 1970-3-5 39368 Los Angeles Santa Catalina Island: Cherry Valley 60 Comment
  CAS-BOT-BC48759  Ceanothus crassifolius Le Roy Abrams; E. A. McGregor 1908-7-5 672 Los Angeles Lone Pine Canyon, desert slopes of the San Gabriel Mountains Comment
  LA82214  Ceanothus crassifolius O. H. Kappler; 1941-3-26 148 Los Angeles SANTA MONICA MOUNTAINS, Corral Canyon, main ridge at head of canyon. 609 Comment
  RSA182756  Ceanothus crassifolius J. Massey, James Henrickson 1966-3-4 1049 Los Angeles Entrance of Coban Canyon. [Cobal Canyon] Comment
  RSA279107  Ceanothus crassifolius Robert F. Thorne 1971-3-25 41504 Los Angeles San Gabriel Mountains: Lower Evey Canyon off San Antonio Canyon 716 Comment
  RSA2997  Ceanothus crassifolius Carl B. Wolf 1932-3-4 2671 Los Angeles Thompson Creek: S base of San Gabriel Mountains, 3-4 mi. N of Claremont. 457 Comment
  UC574965  Ceanothus crassifolius Carl Epling and R. Fowler Kneen April 1933 Los Angeles Boney Ridge Santa Monica Mts. Comment
  SBBG17293  Ceanothus crassifolius var. crassifolius K. A. Wilson 1961-2-8 842 Los Angeles small cyn on Hwy 99 about 1 mi S of Hwy 6 intersection; Santa Susana Mts Comment
  RSA399023  Ceanothus cuneatus var. cuneatus Bonnie C. Templeton, I. W. Clokey 1930-4-8 1084 Los Angeles San Francisquito Canyon, San Gabriel Mts. 900 Comment
  UC1281450  Ceanothus cuneatus var. cuneatus unknown 1931-5-3 349 Los Angeles San Francisquito Canyon Comment
  UC870606  Ceanothus cuneatus var. cuneatus I. W. Clokey and B. C. Templeton 1930-4-8 4698 Los Angeles San Francisquito Canyon 800 Comment
  RSA399845  Ceanothus greggii var. vestitus L. E. Hoffman 1931-12-23 s.n. Los Angeles Chilao Flats 2134 Comment
  UC1070660  Ceanothus greggii var. vestitus H. A. Jensen 1933-5-24 309 Los Angeles Middle Fork of Alder Creek 1524 Comment
  RSA607190  Ceanothus integerrimus Louis C. Wheeler 1968-5-31 s.n. Los Angeles Devil's Canyon, Campground vicinity. 1220 Comment
  RSA682124  Ceanothus integerrimus Valerie L. Soza, Bill Hogshead, Amber Maurice 2003-5-17 s.n. Los Angeles Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena; (Mt. Wilson). 915 Comment
  RSA0016929  Ceanothus integerrimus Kelly Middleton, David Middleton 1988-5-8 37 Los Angeles Glendora Ridge Road, 5.7 miles west of Mt. Baldy Road intersection. Roadside collection. 1220 Comment
  RSA0019599  Ceanothus integerrimus H. J. Montgomery 1923-5-30 s.n. Los Angeles Sturtevant Trail. Comment
  CAS-BOT-BC50567  Ceanothus leucodermis Timothy S. Ross 1993-6-1 7348 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail between Chatry Flat and Hoegee Camp (on Winter Creek), 768 Comment
  CAS-BOT-BC50599  Ceanothus leucodermis H. E. McMinn 1921-7-1 1196 Los Angeles Big Bear Region Comment
  RSA0083015  Ceanothus leucodermis R. G. Swinney 2010-3-18 11967 Los Angeles Lake View Terrace, SE end of Orcas Park in Hansen Dam Basin, within 10 meters of Salix riparian forest corridor in Big Tujunga Wash 323 Comment
  POM246623  Ceanothus megacarpus var. insularis F. R. Fosberg 1931-5-6 S 4816 Los Angeles Cape Canyon. Santa Catalina Island. 250 Comment
  CAS-BOT-BC51434  Ceanothus megacarpus var. megacarpus Peter H. Raven 1959-2-15 13788 Los Angeles Beverly Glen Canyon 2.6 miles North of Sunset Boulevard 213 Comment
  LA32012  Ceanothus megacarpus var. megacarpus Henry J. Thompson; 1959-3-27 1894 Los Angeles SANTA MONICA MOUNTAINS, 1.5 mi E of Saddle Peak. 731 Comment
  CAS-BOT-BC50490  Ceanothus oliganthus W. R. Dudley 1907-1-1 s.n. Los Angeles Saw-pit Canyon (near Monrovia) Comment
  CAS-BOT-BC50492  Ceanothus oliganthus John Thomas Howell 1930-5-18 5173 Los Angeles Pacoima Canyon, San Gabriel Mountains Comment
  CLARK-A1528-3896  Ceanothus oliganthus John C. Roos 1942-3-21 1097 Los Angeles San Gabriel Mountains Comment
  CATA1932  Cedrus deodara Amy Catalano, Anne Kelly and Lizz Bailey 2014-10-24 024 Los Angeles Santa Catalina Island: Middle Canyon Road, about 1/8 mile from Pumphouse 2 303 Comment
  CDA7248  Centaurea diluta T. C. Fuller 1963-6-26 10713 Los Angeles Ball field in SE corner of Imperial and Success Aves., Watts district, Los Angeles 0 Comment
  RSA0042039  Centaurea melitensis R. G. Swinney 2010-5-4 12485 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  UCR260389  Centaurea melitensis R. G. Swinney 2010-6-21 13299 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  CAS-BOT-BC272061  Centaurea melitensis Tim Ross 1992-6-15 6556 Los Angeles Upper end of Turnbull Canyon, Whittier Hills (local name for the western extremity of teh Puente Hills) 294 Comment
  UC537019  Centaurea solstitialis Lawrence M. Booth 1932-7-6 1259 Los Angeles Long Beach Comment
  RSA593591  Centaurium exaltatum Steve Boyd, Orlando Mistretta, Valerie Soza 1996-6-12 8833 Los Angeles Liebre Mountains, Castaic Creek drainage upstream from confluence of Fish Canyon 549 Comment
  UC1123410  Centaurium venustum Jerome S. Horton 1937-6-14 465 Los Angeles San Dimas Canyon Pomona Quad. 457 Comment
  RSA724516  Centaurium venustum K. Dobry 1992-10-25 d- 1078 Los Angeles Santa Monica Mts. in the City of Westlake at So. end of Las Virgenes Reservoir at So. end of Lindero Cyn. Comment
  RSA167693  Centranthus ruber Robert F. Thorne, Percy C. Everett 1964-2-7 33448 Los Angeles Growing along road to Pebbly Beach from Avalon. Santa Catalina Island 3 Comment
  SBBG121875  Centrostegia thurberi A. Parikh, N. Gale 2005-6-15 777 Los Angeles Portal Ridge, 1 km NNW of intersection of N2/Johnson Rd, 1.5 km E of intersection of N2/Munz Ranch Rd 1085 Comment
  SBBG127012  Centrostegia thurberi A. Parikh, N. Gale 2011-6-8 3428 Los Angeles Portal Ridge, 1.5 km W of Godde Hill Rd, 1.1 km S of California Aqueduct 1100 Comment
  SBBG62302  Centrostegia thurberi R. Hoffmann 1929-4-27 Los Angeles Lancaster 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
  RSA724440  Cercocarpus betuloides K. Dobry 1991-4-22 d- 820 Los Angeles Santa Monica Mts Upper Cold Creek Cyn off Stunt Rd So. Side Comment
  UC410547  Cercocarpus betuloides var. betuloides Alice Eastwood 1928-6-15 15377 Los Angeles Claremont Comment
  SBBG17983  Cercocarpus betuloides var. blancheae E. R. Blakley 1963-4-8 5542 Los Angeles head of Avalon Valley near Wrigley Memorial 137 Comment
  UC114157  Cercocarpus betuloides var. blancheae J. W. Toumey 1899-9-15 Los Angeles Catalina Island Comment
  UC187677  Cercocarpus betuloides var. blancheae Katharine Brandegee May 17 1916-May 25 1916 Los Angeles Santa Catalina Island Comment
  CHSC26376  Cestrum parqui Marilyn Chase 1967-7-7 176 Los Angeles Pasadena, Calif. Inst. of Tech., Earhart Plant Research Lab. Comment
  CAS-BOT-BC279527  Chaenactis artemisiifolia Javier Penalosa 1961-5-21 1508 Los Angeles San Gabriel Canyon Comment
  CAS-BOT-BC279531  Chaenactis artemisiifolia Alice Eastwood 1906-5-27 106 Los Angeles Country adjacent to Los Angeles. Laurel Canyon Comment
  POM351643  Chaenactis artemisiifolia Fay A. MacFadden 1931-5-25 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  CAS-BOT-BC276895  Chaenactis fremontii Ira L. Wiggins 1966-4-15 20593 Los Angeles Desert wash immediately E of JFL Motel, Pearblossom, Mojave Desert Comment
  RSA688842  Chaenactis glabriuscula Scott D. White, Michael Honer 2003-6-11 9536 Los Angeles Liebre Mountains: Tapia Canyon. About 2 air miles east of Interstate 5 jtn. at 'Old Ridge Rt.' 396 Comment
  UCR150541  Chaenactis glabriuscula R. G. Swinney 1999-6-21 7385 Los Angeles San Gabriel Mtns., Boulder Canyon Wash, south of east-west road that runs through Big John Flat 1671 Comment
  RSA225743  Chaenactis glabriuscula var. glabriuscula R. F. Thorne, A. C. Gibson 1971-5-22 39714 Los Angeles San Gabriel Mountains: Near mouth of Fish Canyon. 244 Comment
  UC53913  Chaenactis glabriuscula var. glabriuscula Ernest Braunton 1902-6-8 429 Los Angeles Ballona Comment
  RSA598137  Chaenactis glabriuscula var. glabriuscula V. W. Steinmann, Timothy S. Ross 1995-5-8 667 Los Angeles Liebre Mountains, slopes between Leona Valley and 'Lost Valley' 1100 Comment
  UC54051  Chaenactis glabriuscula var. glabriuscula L. A. Greata 1903-5-1 318 Los Angeles Arroyo Seco Comment
  CAS-BOT-BC277524  Chaenactis glabriuscula var. lanosa Alice Eastwood; John Thomas Howell 1937-4-26 3941 Los Angeles Near Saugus Comment
  RSA765544  Chaenactis glabriuscula var. orcuttiana William Jones 2010-2-25 BOE- 1435 Los Angeles Ballona Lagoon, west bank- between Outrigger and Privateer Streets, Venice. 2 Comment
  UC31033  Chaenactis santolinoides A. J. McClatchie 1896-5-25 Los Angeles Wilson's Peak Comment
  UCSB69229  Chaenactis stevioides Gross, LeRoy 2005-5-3 Los Angeles Transverse Ranges; San Gabriel Mountains region; West terminus of Holcomb Ridge, west of Big Rock Creek; north of Fort Tejon Road, west of Valyermo Road; near 34.46587N, 117.86280W to 34.46838N, 117.87262W...[see label for more locality info] 1215 Comment
  SD224829  Chaenactis xantiana B. Pitzer 1996-4-20 2691 Los Angeles Western Mojave Desert, Antelope Valley. N side of St. Hwy 138 (= Ave D), ca. 2 mi. W of Country Store, at town of Neenach (ca. 30 mi. W of Hwy I-14). 914 Comment
  UCR149925  Chaenactis xantiana R. G. Swinney 1999-6-18 7307 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 Comment
  RSA716365  Chaenactis xantiana Andrea Edwards, Pam De Vries 2006-4-11 92 Los Angeles triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  RSA70547  Chamaesyce albomarginata F. W. Peirson 1919-2-16 2038 Los Angeles Point Fermin. Comment
  RSA756888  Chamaesyce albomarginata Orlando Mistretta, Christine Mistretta 2008-4-8 2390 Los Angeles Along SCE transmission lines, about 1 mile SE of intersection of Transmission lines with Elizabeth lake Road. (Segment 5, structure 32 per TRTP survey-2008) 965 Comment
  RSA432398  Chamaesyce melanadenia Albert J. Perkins 1912-10-20 s.n. Los Angeles Santa Anita Canyon, Sierra Madre. Comment
  RSA596761  Chamaesyce prostrata L. C. Wheeler 1970-8-8 s.n. Los Angeles Norwalk. Cerritos College. 11,110 E. Alondra Blvd. Comment
  CDA34299  Chamaesyce serpyllifolia M. O'Brien 2011-6-14 MOB 11 -11 Los Angeles Santa Monica Mountains; Tapia County Park. 152 Comment
  RSA685720  Cheilanthes covillei Samuel R. Tyson 1942-4-9 s.n. Los Angeles San dimas Cayon 1372 Comment
  SEINET804424  Cheilanthes covillei L. L. Kiefer 1957-1 3119 Los Angeles San Gabriel Mountains, NE of Sunland, Delta Canyon, trib of Big Tujinga Canyon, ca 3/4 mile up. 701 Comment
  SFV53  Cheilanthes covillei P. G. Kilburn 1957-12-1 557 Los Angeles San Gabriel Mountains Beside highway leading to Mount Wilson from Angeles Crest. 1220 Comment
  UCD97789  Chenopodium album Louis C. Wheeler 1966-10-1 8941 Los Angeles San Gabriel Mountains: Big Tujunga at Colby Ranch Road. 975 Comment
  RSA423307  Chenopodium ambrosioides F. R. Fosberg 1931-10-11 7215 Los Angeles Topanga Canyon, Santa Monica Mts. Comment
  UCR109682  Chenopodium ambrosioides R. D. Goeden, Don W. Ricker 1968-12-3 s.n. Los Angeles San Gabriel Mtns., Whittier Narrows Dam, East San Gabriel 61 Comment
  RSA478529A  Chenopodium ambrosioides E. S. Spalding 1923-10-3 s.n. Los Angeles La Canada road Comment
  RSA706654  Chenopodium berlandieri A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25538 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, central Potrero Canyon, at circular cement cattle trough on south side of valley 366 Comment
  UCR259158  Chenopodium berlandieri R. G. Swinney 2010-8-30 13609 Los Angeles San Gabriel Mountains, East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream 744 Comment
  RSA607501  Chenopodium berlandieri L. C. Wheeler 1973-6-8 s.n. Los Angeles Los Angeles: SE of Alameda St. & San Diego Fwy, between Sepulveda & 233rd St. [L. A. Harbor Dept., Classification Yard, E of Domiguez Flood Control Channel.] Comment
  RSA681924  Chenopodium botrys Scott D. White, Michael Honer, Dylan Hannon 2003-7-16 9630 Los Angeles Santa Clara River wash, near Soledad Canyon Rd. bridge. Upstream and downstream ca. 1.5 miles. 390 Comment
  RSA0107863  Chenopodium californicum Steven A. Junak, Keri Kirkland 1998-5-2 SCa- 651 Los Angeles Santa Catalina Island: Near top of coastal bluffs at end of ridge SW of Peak 1245, ca. 1.0 air miles W of East Peak. 228 Comment
  RSA518243  Chenopodium murale A. C. Sanders 1987-12-4 7586 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  IRVC28164  Chenopodium murale A. C. Sanders, Mark A. Elvin, et al. 2003-5-1 26273 Los Angeles NE side of Castaic Mesa, ca. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch Western San Gabriel Mtns. 396 Comment
  UCR124384  Chlorogalum pomeridianum I. W. Clokey, B. C. Templeton 1929-1 4587 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  NY468352  Chorizanthe parryi var. fernandina A. M. Ottley 1920-5-3 577 Los Angeles Little Tujunga Wash 335.3 Comment
  UC1792811  Chorizanthe parryi var. fernandina Mark A. Elvin, Vipul Joshi, Tricia Wotipka 2003-6-11 2940 Los Angeles N end of Santa Susana Mtns.: Newhall Ranch, ridge ca 900 m SW of 'Airport Mesa' 365 Comment
  UC1303118  Chorizanthe spinosa Ralph Hoffmann 1930-5-19 Los Angeles washes running into southeastern side Muroc Dry Lake (northwestern Los Angeles County); southeastern side Muroc Dry Lake Comment
  UCR265468  Chorizanthe spinosa Jordan Zylstra 2015-6-5 15006 Los Angeles Western Antelope Valley, Tejon Ranch, vicinity of Quail Lake, north of SR-138, east of Cement Plant Road 1015 Comment
  CAS-BOT-BC244667  Chorizanthe staticoides Victor Duran 1929-6-5 2336 Los Angeles Tujunga Creek, San Gabriel Mts. 853 Comment
  LA52276  Chorizanthe staticoides Louis Wheeler; 1932-4-30 668 Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 167 Comment
  RSA392780  Chorizanthe staticoides Anstruther Davidson 1901-06 s.n. Los Angeles Santa Monica Range. Comment
  SDSU4935  Chorizanthe staticoides D. F. Howe 1947-5-4 1571 Los Angeles Mint Canyon. Comment
  UC153414  Chorizanthe staticoides Ernest Braunton 1901-5-19 Los Angeles foothills Santa Monica Mountains near Griffth Park (Western Ave.); foothills Santa Monica Mountains near Griffith Park Comment
  RSA756902  Chorizanthe watsonii R. G. Swinney 2008-6-17 9026 Los Angeles 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway. 1992 Comment
  UCR205862  Chorizanthe watsonii R. G. Swinney 2008-5-8 8802 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
  CLARK-A1528-1763  Chrysanthemum coronarium Alfred R. Roos 1955-5-7 Los Angeles El Segundo Comment
  RSA476623  Chrysolepis sempervirens Ora M. Clark 1928-12-8 1369 Los Angeles San Antonio Peak, San Gabriel Mts. Comment
  UCR194614  Chrysothamnus nauseosus R. G. Swinney 1998-8-13 6753 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  POM351983  Chrysothamnus nauseosus subsp. hololeucus Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  SD46601  Chylismia claviformis subsp. claviformis P. C. Everett, E. K. Balls 1956-5-9 21572 Los Angeles 5.5 miles north of Los Angeles-Kern Co. line along Highway 6. 730 Comment
  RSA0091797  Cirsium occidentale var. californicum Bonnie C. Templeton 1957-4-27 s.n. Los Angeles Bouquet Canyon. Comment
  RSA660120  Cirsium occidentale var. californicum Orlando Mistretta 1992-6-12 562 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  OBI69262  Cirsium occidentale var. coulteri John Knapp, Denise Knapp 2003-4-13 34 Los Angeles Catalina Island. 3695087.382N x 369146.887E Comment
  UCR259143  Cirsium occidentale var. coulteri R. G. Swinney 2010-4-28 12378 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  POM33630  Cirsium occidentale var. occidentale Marcus E. Jones 1903-5-15 s.n. Los Angeles Catalina Island. 30 Comment
  RSA595994  Cistanthe monandra L. C. Wheeler 1967-5-8 9354 Los Angeles San Gabriel Mts [Liebre Mtns]between Bouquet Junction and Bonelli Ranch. 396 Comment
  CAS-BOT-BC438960  Cistanthe monosperma Tim Ross; Steve Boyd 1993-5-23 7285 Los Angeles Liebre Mountains, NW Los Angeles Co. Upper Clearwater Canyon: margin of USFS road (6N24), ca 790 m ENE of Ruby Canyon/Clearwater Canyon saddle. 873 Comment
  RSA590556  Cistus creticus T. S. Ross, Walter Appleby 1993-5-20 7186 Los Angeles Western San Gabriel Mountains: vicinity of Wilson Canyon Saddle. 951 Comment
  UCR197167  Cistus creticus Valerie Soza, LeRoy Gross 2001-5-9 1199 Los Angeles Transverse Ranges: Verdugo Mountains, Southern San Rafael Hills, south of mouth of Scholl Canyon, west end of Valle Vista fire road, ridgetop north of Hwy 134 244 Comment
  UC1586237  Cistus ladanifer Tim Ross 1991-8-16 5798 Los Angeles Woodwardia Canyon San Gabriel Mountains, Condor Peak USGS 7.5' quadrangle (n of Pasadena) Comment
  CAS-BOT-BC172435  Clarkia bottae Raymond J. Dobbs 1924-6-5 s.n. Los Angeles Switzer Comment
  RSA562552  Clarkia bottae Steve Boyd, Orlando Mistretta 1993-5-11 8129 Los Angeles North of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Western edge of Forest on ridge dividing Whitney Canyon and Placerita Canyon. 488 Comment
  UCR246411  Clarkia cylindrica Dan S. Cooper 2011-7-20 711- 98 Los Angeles W Transverse Range/Tehachapi Mtns. Junction, Gorman Ranch, 5.4 km NW of Quail Lake 1386 Comment
  RSA491785  Clarkia cylindrica subsp. cylindrica James L. Reveal 1988-5-17 6791 Los Angeles Along the Bouquet Canyon Road east of Bouquet Reservoir, 3.1 miles east of the junction of Green Valley (or Spunky Canyon). Road and 3.3. miles southwest of the junction of Elizabeth Lake Road (County Road N2) in Leona Valley., At the junction of San Franciscito Road at the Angeles National Forest boundary. 1128 Comment
  RSA652349  Clarkia deflexa Ed Gibson 1969-5-31 s.n. Los Angeles Puddingstone Lake, road side San Dimas Comment
  RSA453470  Clarkia dudleyana M. B. Dunkle 1933-6-17 s.n. Los Angeles San Antonio River Canyon 915 Comment
  CAS-BOT-BC172016  Clarkia epilobioides Alice Eastwood 1917-7-20 6459 Los Angeles Santa Catalina Island Comment
  UCR189405  Clarkia epilobioides R. G. Swinney 1998-5-25 6146 Los Angeles San Gabriel Valley, Glendora, SE part of South Hills, c. 350 m SE of Fawn Valley Rd. 280 Comment
  SDSU8641  Clarkia epilobioides R. M. Beauchamp 1967-6-3 559 Los Angeles On grassy north slope in canyon south of thirst. San Clemente Island. Comment
Read comments
May 16 2008
  RSA567159  Clarkia heterandra Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3895 Los Angeles Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon. 1338 Comment
  CAS-BOT-BC163711  Clarkia purpurea subsp. quadrivulnera R. J. Dobbs 1924-6-5 s.n. Los Angeles Swetzers [Switzer] Comment
  SFV21046  Clarkia unguiculata L. Gross, V. Soza 2001-6-6 436 Los Angeles Verdugo Mountains North side of mountains. Wildwood Fire Road (now deserted and growing back) off of Verdugo Mountain Way dirt fire road. Down the road (north) from the crest, on north-facing slope. 488 Comment
  UCSB45462  Clarkia unguiculata Batson, J. 1979-5-25 Los Angeles 8 miles southwest of the junction of Highway 101 and Westlake Boulevard on Highway 23 426 Comment
  RSA0059501  Claytonia exigua subsp. exigua Timothy S. Ross, Steve Boyd, Laurel Arnseth 1991-4-30 4978 Los Angeles Soledad Canyon Wash between Acton and Paris. 835 Comment
  UCR186995  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 1067 Comment
  RSA0110808  Claytonia parviflora subsp. parviflora Richard G. Swinney 2011-4-28 14536 Los Angeles San Gabriel Mountains: north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi west to San Gabriel Cyn. Dam. 878 Comment
  UCR4185  Claytonia perfoliata R. H. Sauer 1965-4-13 s.n. Los Angeles San Gabriel Mtns, Pasadena, Arroyo Seco Canyon, along road c. 2.5 miles into the canyon 426 Comment
  UC50355  Claytonia perfoliata subsp. mexicana H. M. Hall Apr 1903 3745 Los Angeles Arroyo Seco Comment
  RSA466686  Claytonia perfoliata subsp. mexicana C. B. Liter, J. A. Powell?? 1928-4-3 s.n. Los Angeles Santa Catalina Island. West of St. Catherine Hotel. Comment
  RSA600350  Claytonia perfoliata subsp. perfoliata Steve Boyd, Lauren Raz 1997-3-26 9380 Los Angeles Liebre Mountains region: Sierra Pelona Ridge, Willow Spring on the southern flank of Martindale Canyon near the northern end of Bouquet Canyon, south of the upper end of the reservoir along Forest Service Road 6N08 1311 Comment
  CAS-BOT-BC91390  Clematis lasiantha Marcus E. Jones 1882-5-2 3203 Los Angeles Pasadena. Comment
  CAS-BOT-BC91392  Clematis lasiantha J. H. Thomas 1957-5-11 6756 Los Angeles San Gabriel Mountains, about 4.5 miles north of La Canada. 975 Comment
  PASA2397  Clematis lasiantha 1939-5-12 Los Angeles San Dimas canyon Comment
  RSA386264  Clematis ligusticifolia Ora M. Clark 1929-10-14 1210 Los Angeles Along San Antonio River. Comment
  POM11698  Cleome isomeris Katherine Brandegee 1916-05 s.n. Los Angeles Catalina Island. Comment
  RSA440829  Cleome isomeris F. R. Fosberg 1931-5-17 S- 4884 Los Angeles Santa Catalina Island. Little Harbor. 5 Comment
  CHSC57909  Cleome lutea Blake A. Rowe 1986-6-30 55 Los Angeles 50 km s of Victorville, beside Hwy 8. 1200 Comment
  JEPS13373  Collinsia heterophylla Peter Kamb Ray 1947-5-25 532 Los Angeles near Sunset Ridge Guard Station (Millard Canyon); San Gabriel Mtns, Millard Canyon 670 Comment
  RSA670944  Collinsia heterophylla Joseph M. Keefe 2001-1-19 30931 Los Angeles North side of wood fence along the Eagle Rock Park path between Scholl Canyon Road and Eagle Rock View Drive, 5 meters west of beginning of private driveway with mailboxes (5475 Eagle Rock View Drive); Eagle Rock District, Los Angeles, 90041. 293 Comment
  UCR213372  Collinsia heterophylla Dan S. Cooper 2010-3-29 20100312- 16 B Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA240671  Collinsia heterophylla Donald R. Bissing 1973-6-2 106 Los Angeles Evey Canyon, San Gabriel Mountains. 0.6 miles from mouth of canyon. 756 Comment
  RSA0035075  Collinsia parryi Lee Haines 1951-4-5 s,n, Los Angeles Chatsworth Hills. 243 Comment
  UCR271483  Collinsia parviflora R. G. Swinney 2011-5-3 14570 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  UC1595384  Collinsia torreyi var. wrightii Tim Ross, Steve Boyd 1990-6-18 3462 Los Angeles northerly draw draining to Jackson Lake (Camp Verdugo Pines and vicinity, San Gabriel Mountains); San Gabriel Mountains, Camp Verdugo Pines 1877 Comment
  RSA0076378  Collinsia torreyi var. wrightii Philip A. Munz 1921-6-17 4644 Los Angeles Sawmill, Swartout Valley. 2073 Comment
  RSA567163  Collomia grandiflora T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3899 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
  RSA775913  Collomia grandiflora Orlando Mistretta, Christine Mistretta 2010-5-26 5219 Los Angeles Upper Mill Creek canyon drainage, S of Mill Creek Summit, along Southern California Edison transmission line corridor. 1311 Comment
  RSA467088  Comarostaphylis diversifolia subsp. planifolia Albert J. Perkins 1919-4-29 s.n. Los Angeles slopes of Mt. Orizaba Comment
  SBBG93454  Constancea nevinii J. C. Nevin -- Los Angeles San Clemente Island Comment
  UCR131449  Convolvulus arvensis Alison Lipman 1998-6-25 s.n. Los Angeles South Coastal Plains Region, Portuguese Bend, Rancho Palos Verdes 152 Comment
  RSA0042774  Convolvulus arvensis Harold L. Pirie 1963-5-7 s.n. Los Angeles On Pierce College Campus, Woodland Hills. 243 Comment
  UCR178065  Conyza bonariensis LeRoy Gross 2001-11-10 454 Los Angeles Los Angeles Basin, Verdugo Mountains, north side. Off the 210 Fwy east bound LaTuna Canyon Road exit opposite this exit is a road that starts out paved. (Hostetter Mountainway) follow this road that parallels the freeway east till a dirt road forks off on the right (southeast) 457 Comment
  RSA157805  Conyza bonariensis Peter H. Raven 1962-5-8 17616 Los Angeles Barracks area with Malva, Wilson Cove, San Clemente Island 76 Comment
  RSA0084702  Cordylanthus nevinii R. G. Swinney 2009-7-29 11426 Los Angeles Pacifico Mountain summit. 2134 Comment
  SBBG68669  Cordylanthus rigidus subsp. setiger S. W. Hutchinson -Jun-1931 1291 Los Angeles Mint Cyn 304 Comment
  RSA587603  Coreopsis bigelovii Orlando Mistretta, Steve Boyd, Darin Banks 1994-4-29 1146 Los Angeles Santiago Canyon. Near confluence with Little Rock Creek. 1067 Comment
  UC1595579  Coreopsis bigelovii W. Wisura and E. Roeder 1992-4-21 4698 Los Angeles near Valyermo (Mountain Brook Ranch); West Mojave Comment
  CAS-BOT-BC287865  Coreopsis californica C. F. B. 1903-4-15 409 D Los Angeles Claremont Comment
  CAS-BOT-BC101021  Coreopsis gigantea Geo. B. Grant s.n. Los Angeles Catalina Comment
  RSA518378  Coreopsis gigantea A. C. Sanders 1988-2-3 7594 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport and Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  SEINET7836953 Image available Coreopsis gigantea G. B. Grant, W. Wheeler 1904-4-21 680 2228 Los Angeles Santa Catalina Island Comment
  RSA0107700  Corethrogyne filaginifolia R. G. Swinney 2011-10-18 15847 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
  SFV21090  Corethrogyne filaginifolia L. Gross, V. Soza, N. Gilbert 2000-10-18 287 Los Angeles Verdugo Mountains Intersection of Verdugo Mountainway and Hostetter Mountainway, along roadside near above coordinates. 915 Comment
  UC195537  Corethrogyne filaginifolia Moxley 1916-9-4 514 Los Angeles Eaton Canyon San Gabriel Mts. Comment
  CAS-BOT-BC32934  Corethrogyne filaginifolia var. californica Ernest Braunton 1902-5-25 280 Los Angeles Redondo Comment
  RSA585820  Coronilla valentina T. S. Ross, Angelika Brinkmann-Busi 1992-3-28 6057 -b Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; Abalone Cove area; old road from Palos Verdes Drive South to Abalone Cove (now just a trail), NW of Portuguese Point and +/- SSE of the Wayfarers chapel. Comment
  CAS-BOT-BC143496  Cotoneaster pannosus Jeannette L. Huber 1974-2-12 1412 Los Angeles On old Cobb estate, north end of Lake Avenue, Altadena Comment
  CATA893  Cotula australis Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-31 1709 Los Angeles Santa Catalina Island: Side canyon of Middle Canyon 237 Comment
  CATA3055  Cotula coronopifolia Amy Catalano 2016-3-25 067 Los Angeles Santa Catalina Island: In seep 230 meters northeast of Edison pumpstation in Cottonwood Canyon, 115 meters south of Fern Canyon Road 120 Comment
  UC485350  Cotula coronopifolia Crawford and Hiatt 1916-3-28 Los Angeles Santa Monica; ; near city Comment
  RSA0002495  Cotyledon nudicaulis L. R. Abrams 1902-7-4 2652 Los Angeles San Gabriel Canyon Comment
  SEINET13729329  Crassula aquatica Unknown 1968-5-29 s.n. Los Angeles PLANTS OF CALIFORNIA LOS ANGELES COUNTY SANTA CATALINA ISLNAD: wet, sandy mud magin of S end of Hay Press Reservoir; elev. ca. 1325 ft; with Callitriche marginata, Eleocharis macrostachya, plantago coronopus, Juncus bufonius, etd. (new for the island along with Callitriche marginata). 403 Comment
  RSA0119674  Crassula erecta R. G. Swinney 2011-3-29 14276 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
  RSA0039466  Crepis nana J. R. Shevock 1974-10-4 3871 Los Angeles On the south side of the summit, Mt. Baden-Powell. San Gabriel Mountains. Angeles National Forest. 2866 Comment
  SBBG19165  Cressa truxillensis M. A. Piehl 1963-12-7 631055 Los Angeles small area across SE tip from Pyramid Head and opposite Triangulation Pt Rock 9 Comment
  SBBG33327  Cressa truxillensis A. D. E. Elmer -Jul-1902 Los Angeles Lancaster Comment
  SD51733  Cressa truxillensis var. vallicola L. W. Nuttall Unknown 804 Los Angeles Santa Catalina Island Comment
  SBBG30356  Crossosoma californicum R. N. Philbrick 1968-2-23 B 68 -6 Los Angeles Little Fisherman Cove Comment
  LA204935  Croton californicus A. M. Johnson; 1928-3-13 2856 Los Angeles Del Rey Hills Comment
  UCR131447  Croton setiger Alison Lipman 1998-6-19 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
  SEINET10518388  Crypsis vaginiflora Robert F. Thorne 1966-9-16 Thorne 36712 Los Angeles Santa Catalina Island: desiccated muddy of reservoir at Hay Press, with Ammania coccinea, Gnaphalium palustre, etc. Comment
  RSA783423  Cryptantha J. D. Olmsted 1959-3-27 322 Los Angeles On terrace 1/4 mile SW of stream gaging station below San Dimas Ranger station; Mt. Range: San Gabriel Mts; Drainage area: San Dimas Creek. 488 Comment
  UCR190393  Cryptantha barbigera R. G. Swinney 2001-4-18 7903 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  UCR276809  Cryptantha barbigera R. G. Swinney 2010-5-21 12893 A Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  SJSU2490  Cryptantha circumscissa H. L. Buckalew 1962-4-18 Los Angeles Mohave Desert between Vincent & Little Rock Comment
  UCR220283  Cryptantha circumscissa R. G. Swinney 2009-4-24 10483 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  UC729580  Cryptantha clevelandii Carl B. Wolf 1932-5-9 Los Angeles left (e) fork of Pebbly Beach Canyon, at 2nd group of mine workings Santa Catalina Island, Pebbly Beach Canyon 304 Comment
  SBBG63663  Cryptantha corollata R. Hoffmann 1930-6-6 Los Angeles Alamo Crk 792 Comment
  OBI70941  Cryptantha intermedia Steve Boyd, Lauren Raz 1997-3-25 9280 Los Angeles Liebre Mts Region: Knapp Ranch area at upper end of Castaic crk drainage in broad alluvial valley at head of Cienaga Cyn, S of Liebre mtn, flats and slopes just NE of ranch compound. T7N R17W NE 1/4 NE 1/4 sec 22 1061 Comment
  RSA499600  Cryptantha intermedia L. E. Hoffman 1927-7-10 s.n. Los Angeles Swartout Canyon, Big Pines. Comment
Read comments
Jan 4 2012
  RSA653858  Cryptantha intermedia Valerie L. Soza, LeRoy Gross, Adelina Munoz 2000-5-12 889 Los Angeles Verdugo Mountains, northeast side: Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. Fire road south from Engleheard Canyon to powerlines. 396 Comment
  SFV22029  Cryptantha intermedia V. Soza, I. E. Anderson, L. Gross 2000-6-6 978 Los Angeles Verdugo Mountains Southwest side of Verdugo Mountains. North of Chandler Fire Road (Verdugo Mountainway), north of O' La Tuna, above Chandler and Fisher Canyons, south of La Tuna Canyon. West-facing ridgetop. 457 Comment
  UC56845  Cryptantha intermedia W. C. Blasdale Jun 1891 Los Angeles Santiago Canyon Comment
  UCR165417  Cryptantha intermedia A. C. Sanders, Helen Kennedy 2005-4-13 29491 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyons 457 Comment
  UCR71155  Cryptantha intermedia Steve Boyd, L. Arnseth 1990-4-8 4290 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, first canyon south of Bryce Canyon Comment
  SDSU5469  Cryptantha intermedia Gerald Collier 1951-4-7 M 424 Los Angeles 2 miles west of U.S. Hwy 101. Comment
  RSA0088871  Cryptantha leiocarpa Andrew C. Sanders 1988-5-18 7826 Los Angeles South Coast: El Segundo Dunes, immediately W of L.A. International Airport & Pershing Drive, & E of Vista Del Mar Blvd. Subsite 19, east of building. 1 Comment
  RSA611515  Cryptantha micrantha L. C. Wheeler 1968-5-12 s.n. Los Angeles Spring 2/3 mile E of Juniper Bowl; Juniper Hills. 1158 Comment
  CHSC98606  Cryptantha micromeres LeRoy Gross; Laura Moore, Debby Zygielbaum, Ron Burchet 2000-6-8 237 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy land. On trail up out of canyon and going to the crest following a ridge running northwest from the crest. 548 Comment
  RSA653843  Cryptantha micromeres Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O Brien 2000-4-25 767 Los Angeles Verdugo Mountains, south side: Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mtwy. 518 Comment
  POM9039  Cryptantha microstachys P. A. Munz, R. D. Harwood 1920-5-15 3931 Los Angeles Santa Monica Mts. Coldwater Canyon. 305 Comment
  RSA647802  Cryptantha microstachys LeRoy Gross, Laura Moore 2000-6-5 221 Los Angeles Verdugo Mountains: La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 579 Comment
  JEPS22753  Cryptantha muricata Rimo Bacigalupi with Reino Alava 1958-7-20 6404 Los Angeles Charlton Flat, close to Angeles Crest Highway (State Highway 2) San Gabriel Mountains, Angeles National Forest 1623 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
  UCR129933  Cryptantha muricata Orlando Mistretta, Steve Boyd, D. L. Banks 1994-4-29 1110 Los Angeles San Gabriel Mountains, Santiago Canyon, ridge on the W edge of Santiago Canyon watershed north of Forest Road 4N20 1372 Comment
  RSA587335  Cryptantha muricata Orlando Mistretta 1992-05 211 Los Angeles San Gabriel Mountains: Little Rock Creek. Alimony Ridge. 1463 Comment
  RSA0079626  Cryptantha muricata var. muricata Orlando Mistretta 1994-4-12 1005 Los Angeles San Gabriel Mountains, Little Rock Creek. Slopes E of Little Rock Reservoir. 1006 Comment
  SD240923  Cryptantha nevadensis var. rigida Dave Silverman, Jeff Harvis & Colleen Martin 2010-5-19 8015 Los Angeles Antelope Valley, north of Lancaster, 75 m west of Sierra Highway, 500 m north of Avenue F. 701 Comment
  UCR255802  Cryptantha nevadensis var. rigida R. G. Swinney 2010-5-12 12739 Los Angeles San Gabriel Mountains, Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  RSA679879  Cryptantha oxygona LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 841 Los Angeles East side of Punchbowl Canyon. 1585 Comment
  SD138917  Cryptantha oxygona Craig Reiser 1994-5-4 Los Angeles Kentucky Springs shooting area; northwestern San Gabriel Mountains; one mile southwest of Mount Emma Comment
  UC1178543  Cryptantha pterocarya Peter Kamb 1948-5-6 933 Los Angeles above Little Rock (foothills of San Gabriel Mts.); San Gabriel Mts. 975 Comment
  UCR138538  Cryptantha pterocarya var. pterocarya L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mtns./Mojave Desert, [0.5 mi. SE of Valerymo] 1159 Comment
  UCR281655  Cryptantha pterocarya var. pterocarya R. G. Swinney 2014-5-7 16338 Los Angeles San Gabriel Mountains, east of Valyermo, east end of Holcomb Ridge, 0.35-0.45 miles north of Panorama Rd., 2.5 road miles east of Bob's Gap Road, in north-south arroyo cutting through Holcomb Ridge 1366 Comment
  RSA595814  Cryptantha similis L. C. Wheeler 1967-5-9 9377 Los Angeles Aliso Canyon, east of Acton, ca. 1 mi. downstream from Wagon Wheel Ranch. 1067 Comment
  RSA763747  Cryptantha simulans Orlando Mistretta, Christine Mistretta 2008-5-20 3139 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 95 per TRTP Survey 2008), Rincon Red box Rd., W Fork of the San Gabriel River, N slope of Monrovia Pk. 1453 Comment
  LA211145  Cucurbita pepo var. pepo Arthur C. Gibson; 2011-6-26 5352 Los Angeles SANTA MONICA MOUNTAINS, Rocky Oaks National Recreation Area, next to parking lot. Comment
  RSA5970332  Cuscuta T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3846 Los Angeles San Gabriel Mountains: Ridgetop to the W of Crystal Lake [ridge descending SSW from Mt. Islip] 1884 Comment
  RSA609082  Cuscuta californica L. C. Wheeler 1932-8-1 1103 Los Angeles Liveoak Wash near La Verne 396 Comment
  RSA409696  Cuscuta californica G. R. Johnstone 1930-9-7 s.n. Los Angeles Mt. Wilson Trail. 457 Comment
  SD39901  Cuscuta campestris Edith A. Purer 1933-10-7 5586 Los Angeles El Segundo Comment
  RSA708938  Cuscuta subinclusa Scott D. White 2004-8-20 10737 Los Angeles San Gabriel Mountains: Upper Big Tujunga Canyon. West of Upper Big Tujunga Cyn Rd, ca. 2 air miles N of jtn w/ Angeles Crest Hwy. 1067 Comment
  RSA640972  Cuscuta subinclusa L. C. Wheeler 1931-7-7 s.n. Los Angeles 1/4 mile northeast Stoner's: (vicinity of Claremont). Comment
  UCR150572  Cycladenia humilis var. venusta L. C. Wheeler 1970-7-26 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, c. 0.3 mi south of Mount Hawkins 2530 Comment
  RSA662680  Cynodon dactylon LeRoy Gross 2001-11-10 452 Los Angeles 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 right (southeast) 457 Comment
  UC60774  Cynosurus cristatus Dr. A. Davidson Los Angeles Los Angeles Comment
  CATA1352  Cyperus eragrostis Mark L. Hoefs, Robert F. Thorne 1995-7-26 2459 Los Angeles Santa Catalina Island: Middle Canyon in stream bed just below reservoir 169 Comment
  UCR86824  Cyperus eragrostis Scott D. White 1995-4-27 2941 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
  CAS-BOT-BC113960  Cyperus odoratus Joseph Cook (Rev.) Nevin 1904-11-1 s.n. Los Angeles Wilson's (?) Lake Comment
  RSA365108  Cyperus odoratus Wm Martin 1971-8-11 s.n. Los Angeles Along drainage of Malibu Creek, vicinity of Tapia Park Comment
  SBBG127973  Cyperus odoratus M. L. Hoefs, S. A. Junak 1996-7-9 2719 Los Angeles Middle Ranch Reservoir, Middle Cyn 201 Comment
  UC1870231  Cytisus striatus LeRoy Gross 2001-11-10 451 Los Angeles Los Angeles Basin region: Verdugo Mountains, north side. Off the 210 freway east bound La Tuna Canyon Road exit opposite this exit is a road that starts out paved. (Hostetter Mountainway) follow this road that parallels the freeway east till a dirt road f 457 Comment
  SD90427  Deinandra fasciculata Robert F. Thorne 1973-4-12 42889 Los Angeles San Clemente Island; plateau near Cutlass above old dam. 199 Comment
  SFV4927  Deinandra fasciculata M. H. Grayum 1971-6-10 s. n. Los Angeles Santa Monica Mountains Just north of Monte Nido along Cold Creek Road. 274 Comment
  SEINET12099516  Delphinium decorum J. F. Bright 1934-1 9246 Los Angeles Santa Monica Coast Range Comment
  CHSC95803  Delphinium parishii subsp. parishii LeRoy Gross 2005-5-3 2241 Los Angeles Transverse Ranges; San Gabriel Mountains region: West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.36587N, 117.86280 W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. (Valyermo 7.5 Quad: T4N, 5N R9W, 10W S6, 1, 31, NW1/4 of 6, NE1/4 of 1, SW1/4 of 31.) Alt.: 1085-1215m/3560-3984ft. 1150 Comment
  RSA679834  Delphinium parishii subsp. parishii LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 893 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway. 1143 Comment
  UCSB8519  Delphinium parryi McElwain, I. 1953-3-21 Los Angeles Point Dume Comment
  POM219979  Delphinium parryi F. R. Fosberg 1932-5-5 8108 Los Angeles n. [north of?] Avalon, Santa Catalina Island 40 Comment
  LA52169  Delphinium patens subsp. hepaticoideum Martha Hilend; 1928-4-18 194 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  UC639627  Delphinium patens subsp. hepaticoideum Victor Duran 1929-6-10 2394 Los Angeles hillsides near Echo Mountain; San Gabriel Mountains 914 Comment
  SBBG77896  Dendromecon harfordii F. R. Fosberg 1931-5-21 4933 Los Angeles between Cherry Valley and Howland Landing 20 Comment
  LA200715  Dendromecon rigida Harlan Lewis; 1949-2-4 1060 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak 670 Comment
  RSA433226  Dendromecon rigida F. R. Fosberg 1930-2-12 S 4207 Los Angeles Mint Canyon, San Gabriel Mts. 750 Comment
  SDSU19970  Dendromecon rigida Steve Bullock 1972-4-1 960 Los Angeles Temescal Canyon, Santa Monica Mtns., north ridge firebreak. 126 Comment
  UCR155350  Deschampsia danthonioides A. C. Sanders 2005-5-11 30133 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon, SW of Cruzan Mesa on bench on north side of canyon 573 Comment
  CAS-BOT-BC43177  Descurainia pinnata subsp. brachycarpa LeRoy Abrams 1901-4-1 1206 Los Angeles Ballona Harbor. Comment
  IRVC26371  Descurainia pinnata subsp. halictorum Anuja Parikh, Nathan Gale 2003-4-30 s.n. Los Angeles Castaic Junction, Newhall, SW of the junction of SR 126 and US 5, N of the Santa Clara River Santa Clarita Valley 305 Comment
  SBBG116970  Descurainia pinnata subsp. menziesii S. A. Junak with K. Kirkland 2001-4-13 SCa 1437 Los Angeles ridgetop N of Deer Valley Reservoir, just E of Two Harbors 228 Comment
  UC1871058  Descurainia pinnata subsp. menziesii T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4788 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
  UC604832  Descurainia sophia Roxana S. Ferris and Ruth P. Rossbach 1938-5-13 9478 Los Angeles 5 mi w Lancaster (on Antelope Valley Road) Comment
  RSA0089506  Dicentra chrysantha R. G. Swinney 2011-6-30 15415 Los Angeles 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  UCR270002  Dicentra chrysantha R. G. Swinney 2010-9-9 13781 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
  UCR48852  Dicentra chrysantha Steve Morgan 1974-5-17 142 Los Angeles San Gabriel Mtns., Big Tujunga Canyon, 0.5 mi. east of Big Tujunga Canyon Road, at a point 10.9 mi. north of Mt. Gleason Ave. 701 Comment
  RSA433536  Dicentra chrysantha Jean Carnine 1932-5-8 15305 Los Angeles San Fernando Valley Comment
  UC120102  Dicentra ochroleuca unknown 1892-3 Los Angeles Santa Monica Ranch Comment
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Dec 24 2007
  RSA598200  Dichelostemma capitatum Steve Boyd, Lauren Raz 1997-3-4 9140 Los Angeles Liebre Mountains region, southern base of the Sierra Pelona Ridge, Crown Valley just northwest of Governor Mine, ca 0.8 mi north of Sierra Highway along Crown Valley Road, disturbed and graded area associated with high-tension power lines. 987 Comment
  POM169659  Dichelostemma capitatum subsp. capitatum C. F. Baker 1904-3-18 4061 Los Angeles Claremont. 365 Comment
  UCD139438  Dichelostemma capitatum subsp. capitatum Kenneth A. Wilson 1961-3-1 882 Los Angeles Santa Monica Mtns. Mulholland Hwy. Canyon ca. 1 miles west of Las Viegenes Hwy. Comment
  CAS-BOT-BC208975  Digitaria ischaemum Geo. B. Grant 1906-8-9 7158 Los Angeles Pasadena Comment
  UCR48959  Digitaria sanguinalis A. C. Sanders 1987-7-22 7167 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  RSA0034978  Digitaria sanguinalis P. R. Brown 1970-10-9 s.n. Los Angeles Canon de Lana. [county not specified] Comment
  CAS-BOT-BC150639  Diplacus longiflorus Le Roy Abrams 1899-3-30 329 Los Angeles Sepulveda [Canon] Canyon, S. Monica Mts. Comment
  SBBG11598  Diplacus parviflorus P. H. Raven 1962-5-10 17731 Los Angeles rocky walls of Horse Cyn (large cyn W of Thirst) 274 Comment
  SBBG106915  Distichlis spicata M. L. Hoefs, R. F. Thorne, J. Takara 1995-7-25 2429 Los Angeles lower Buffalo Springs Reservoir 426 Comment
  SEINET11676808  Distichlis spicata Unknown 1949-1 s.n. Los Angeles Rancho la Brea, Hancock Park, Los Angeles Comment
  UCD64334  Distichlis spicata var. stolonifera Peter H. Raven; Henry J. Thompson 1959-9-6 14364 A Los Angeles At mouth of Malibu Creek. 1 Comment
  RSA247978  Dithyrea californica R. F. Thorne, Gary D. Wallace 1973-4-24 43444 Los Angeles Antelope Valley, Western Mojave Desert: Lovejoy Buttes, N of Llano, S slope 915 Comment
  UCR220954  Dodecatheon clevelandii Dan S. Cooper 2010-4-9 20100409- 30 B Los Angeles Western Transverse Range, eastern Santa Monica Mtns., Royce Canyon in Griffith Park 270 Comment
  SFV12061  Dodecatheon clevelandii subsp. clevelandii D. L. Koutnik 1978-3-27 172 Los Angeles San Gabriel Valley Claremont. Johnson's Pasture in Live Oak Canyon drainage at north end of Mountain Avenue. 579 Comment
  RSA461364  Dodecatheon clevelandii subsp. sanctarum Anstruther Davidson s.n. Los Angeles Santa Monica Comment
  UC213206  Dodecatheon redolens I. M. Johnston 1918-7-6 2100 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains, Prairie Fork San Gabriel River (marsh in a side canyon) 2133 Comment
  UCR272859  Draba corrugata R. G. Swinney 2011-7-29 15555 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  POM370048  Draba cuneifolia var. sonorae Anstruther Davidson 1890-1-27 s.n. Los Angeles Foothills, Los Angeles County Comment
  RSA600050  Drymocallis glandulosa Steve D. Boyd, Lauren Raz 1997-5-20 9805 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
  RSA653285  Drymocallis glandulosa var. reflexa Kelly Middleton, David Middleton 1988-5-23 33 Los Angeles Glendora Ridge Road, 7.7 miles north of Glendora Mountain Road and Sierra Madre Blvd. in Glendora. 1067 Comment
  CATA1809  Dryopteris arguta Benjamin E. Carter 2012-8-23 6994 Los Angeles Santa Catalina Island: Below and west of Airport Road north of Middle Ranch Road 370 Comment
  LA200092  Dryopteris arguta Lawrence L. Kiefer; 1966-3-12 1689 Los Angeles SANTA MONICA MOUNTAINS, Lobo Canyon, ca 1 mi W of Triunfo Canyon Rd. 304 Comment
  LA94244  Dryopteris arguta Lawrence L. Kiefer; 1966-3-20 1756 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon, ca 1 mi from mouth of canyon. 91 Comment
  LA94254  Dryopteris arguta A. M. Johnson; 1927-11-11 44 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  RSA0115997  Dryopteris arguta R. G. Swinney 2010-8-11 13486 Los Angeles San Gabriel Mountains; San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road. 595 Comment
  RSA723078  Dryopteris arguta LeRoy Gross, Naomi Fraga 2006-1-20 s.n. Los Angeles East end of the Verdugo's. North side of the main crest. A small draw south of Deer Creek that drains into Deer Creek, off of Beaudry Road. Southwest of Debris Basin. 412 Comment
  CAS-BOT-BC67901  Dryopteris arguta Mrs. Frank 1900-2-1 s.n. Los Angeles Sta. Catalina Island Comment
  POM120346  Dryopteris arguta George B. Grant 1903-02 s.n. Los Angeles Covina, Cal. Comment
  RSA693685  Dryopteris arguta Kenneth A. Wilson, Robert Gustafson 1994-5-13 2413 Los Angeles Santa Monica Mountains national Recreation Area; Upper Franklin Canyon Reservoir Comment
  RSA693701  Dryopteris arguta Albert J. Perkins 1912-12-22 s.n. Los Angeles Big Santa Anita Canyon, Sierra Madre Comment
  UC2059996  Dudleya cymosa K. Nakai, D. Verity, J. Ross 1981-5-21 764 Los Angeles Santa Monica Mountains, ca. 0.6 mi SE of junction of Decker Road and Carlise Road. Comment
  LA105033  Dudleya cymosa subsp. ovatifolia Peter H. Raven; David Verity 1960-5-7 Los Angeles Santa Monica Mountains, Cornell Corners, just W of Cornell Corners 259 Comment
  RSA423502A  Dudleya cymosa subsp. pumila L. E. Hoffman 1929-6-23 s.n. Los Angeles Mouth [of] Pacoima Canyon. San Gabriel Mountains, Angeles Forest. Comment
  RSA600483  Dudleya cymosa subsp. pumila Steve Boyd, Lauren Raz 1997-4-30 9601 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
  RSA668078  Dudleya cymosa subsp. pumila Michael C. Long 2001-6-5 MCL- 680 Los Angeles San Gabriel Mountains, Eaton Canyon 100m N of Mt. Wilson Toll Road (large white bridge, on lower West side canyon walls. 390 Comment
  RSA423461  Dudleya densiflora Anstruther Davidson s.n. Los Angeles Mt. Islip. Comment
  UC933281  Dudleya greenei C. B. Wolf May, 1932 3588 Los Angeles 3/4 mi Little Harbor (paralleling rd to Isthmus); Santa Catalina Island Comment
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Sep 4 2014
  UCD101927  Dudleya lanceolata Daryl Koutnik 1978-6-25 561 Los Angeles 1 mile south of Seminole Hot Springs on Mulhollad Highway. 335 Comment
  RSA786893  Dudleya lanceolata Doris Bowers 1957-5-5 740 Los Angeles Road just N/o Puddingstone, La Verne 320 Comment
  UC1713540  Dudleya multicaulis I. M. Johnston May 1917 1290 Los Angeles hills n Claremont (Johnson's Pasture); San Antonio Mountains 609 Comment
  SBBG12648  Dudleya virens E. R. Blakley 1962-6-10 5244 Los Angeles 0.25 mi up cyn from its mouth; cyn half way between Eel Pt and Seal Cove 45 Comment
  UCR259664  Dysphania ambrosioides R. G. Swinney 2010-8-30 13639 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon bottom, 0.1 miles south of confluence with Winter Creek 537 Comment
  UCD98554  Dysphania ambrosioides Francis Ball 1948-5-15 s.n. Los Angeles Alley behind 3601 Jasmine Ave., Los Angeles 34. Comment
  POM365257  Echinochloa crus-galli Anstruther Davidson 1889-08 s.n. Los Angeles L.A. River. Comment
  RSA636099  Echinodorus berteroi L. C. Wheeler 1953-9-27 7052 Los Angeles San Gabriel Mountains: Arroyo Seco, just upstream 100 yards from Pasadena water intake. . Comment
  UCR210145  Eclipta prostrata R. G. Swinney 2008-10-20 9649 Los Angeles San Gabriel Mountains, San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  SEINET10850032  Ehrharta longiflora Scott D. White, J. Wood 2008-5-8 White 11943 Los Angeles Puente/Chino Hills: SCE powerline corridor near Skyline Dr., and E of hacienda Blvd.; Hacienda Heights (La Habra: T2S R10W S30. NE. Ruderal and shrublands. 305 Comment
  RSA595953  Eleocharis palustris J. Travis Columbus, C. R. Annable, C. 0 dos Santos, J. M. Porter, M. E. Siqueiros D. 1996-6-5 2690 Los Angeles Ca. 2 mi N Solemint, just off Arline Rd., 2.0 rd. mi. W from jct. with Sierra Hwy., in vernal pool basin (not evident from rd.) on shelf just N of and above Plum Canyon bottom and rd turnou., With an adjacent Populus sp., in NE of 3 small depressions within basin 610 Comment
  RSA608865  Eleocharis parishii L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mountains: Soledad Canyon, Santa Clara River. 530 Comment
  SEINET4889551  Elodea canadensis L. C. Wheeler 1933-12-13 2325 Los Angeles San Gabriel Mts., San Dimas Canyon Dam 411 Comment
  CAS-BOT-BC208522  Elymus Rev. J. C. Nevin 1904-1-1 s.n. Los Angeles Unspecified Comment
  CAS-BOT-BC227503  Elymus elymoides Elizabeth McClintock 1965-7-2 s.n. Los Angeles San Gabriel Mountains, Table Mountain, above Wrightwood 2133 Comment
  UCD61556  Elymus elymoides A. A. Beetle 1942-4-24 3210 Los Angeles 6 miles W of Llano. Comment
  UCR258856  Elymus elymoides R. G. Swinney 2010-5-19 12810 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  POM359919  Elymus elymoides subsp. elymoides Gary D. Wallace 1979-5-26 1850 Los Angeles San Gabriel Mountains: along Angeles Forest Highway just west of Clear Creek Ranger Station Comment
  SBBG33329  Elymus multisetus A. D. E. Elmer -Jun-1902 3749 Los Angeles Lancaster Comment
  RSA0127179  Elymus trachycaulus subsp. trachycaulus Louis C. Wheeler 1967-7-15 10016 Los Angeles Angeles National Forest. Mt. Waterman. Comment
  RSA0061136  Emmenanthe penduliflora var. penduliflora LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6841 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA401558A  Emmenanthe penduliflora var. penduliflora N. C. Cooper 1949-6-29 4372 Los Angeles San Gabriel Canyon. 457 Comment
  OBI70306  Encelia actoni Louis C. Wheeler 1967-5-23 9688 Los Angeles San Gabriel Mtn: at mouth of Bear Cyn, off Soledad cyn 579 Comment
  CATA1120  Encelia californica Mark L. Hoefs 1995-5-23 2085 Los Angeles Santa Catalina Island: Near Middle Canyon Road, just below Eagles Nest Lodge 121 Comment
  RSA545251  Encelia californica D. Propst, Mark Hoefs 1973-3-3 44 Los Angeles Road just above Escondido, Santa Catalina Island. 244 Comment
  SBBG132334  Encelia californica J. Savage, J. Junak 2003-4-20 ENCA- 1 Los Angeles China Beach rd 106 Comment
  UC1922585  Encelia californica Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1169 Los Angeles Transverse Ranges; Verdugo Mountains region; Ridgetop above McDonald Creek. 518 Comment
  RSA215566  Encelia farinosa var. farinosa R. G. Swinney 1969-4-22 344 Los Angeles W side of jct of Sierra Madre Ave and Vernon Ave, Azusa. Comment
  RSA612105  Endolepis covillei Steve Boyd, Kent Hughes 1998-5-5 10184 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
  CDA745  Ephedra nevadensis G. D. Barbe, T. C. Fuller 1973-5-21 1392 Los Angeles Roadside field in SE corner of Pearblossom Hwy at Small Road, E of railroad overpass, 4 mi W of Four Points (junction with Hwy 138). Comment
  NY579267  Ephedra nevadensis S. R. Hill 2001-4-22 33367 Los Angeles North foothills of San Gabriel Mountains, Elizabeth Lake Road, 3.3 miles west of Highland Street (25th Street West), west of Palmdalle. Vicinity of Armagosa Creek 853.4 Comment
  RSA679877  Ephedra nevadensis LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 858 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway 1143 Comment
  UCR123643  Ephedra nevadensis Steven R. Hill, K. Kramer 2001-4-22 33362 Los Angeles San Gabriel Mtns./SW Mojave Desert, Elizabeth Lake Road, 9.7 mi by road SSW of the junction with Johnson Road, vicinity of Bee Canyon 549 Comment
  RSA748909  Ephedra viridis R. G. Swinney 2008-5-2 8735 Los Angeles Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  SEINET3868663  Ephedra viridis Timothy S. Ross 1995-4-26 8385 Los Angeles Liebre Gulch: along Forest Service Road 8N05 descending into the gulch from the Tumble Inn (site) on the Old Ridge Route. USGS 7.5' Liebre Mtn Quadrangle.; 0 1024 Comment
  RSA628633  Epilobium angustifolium Louis C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: South fork Big Rock Creek, at Angeles Crest Highway. 2302 Comment
  UCR210230  Epilobium canum R. G. Swinney 2008-10-22 9675 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
  CAS-BOT-BC166201  Epilobium canum subsp. canum Cecil Hart 1921-7-23 s.n. Los Angeles Howard & Smith's nursery, Montebello Comment
  CAS-BOT-BC166221  Epilobium canum subsp. canum Fordyce Grinnell 1903-12-22 9 Los Angeles Arroyo Seco [Canon] Canyon, near Pasadena Comment
  RSA600884  Epilobium canum subsp. canum Louis C. Wheeler 1945-10-30 6162 Los Angeles San Gabriel Mountains. Kinneloa Canyon. 366 Comment
  UC56485  Epilobium canum subsp. canum Ernest Braunton Oct. 1902 717 Los Angeles Griffith Park Comment
  CAS-BOT-BC171924  Epilobium canum subsp. latifolium Robert F. Thorne; John Olmsted 1965-8-26 35376 Los Angeles Angeles National Forest, Camp Lupine near Prairie Fork, San Gabriel Mts. 2011 Comment
  RSA0073364  Epilobium ciliatum R. G. Swinney 2010-3-16 11959 Los Angeles 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
  RSA713805  Epilobium ciliatum Valerie L. Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1363 Los Angeles Intersection of North Beaudry Mtwy and Deer Creek. 518 Comment
  SBBG78676  Epilobium ciliatum F. R. Fosberg 1931-7-10 5370 Los Angeles Eagles Nest, Middle Ranch Cyn; below spring 180 Comment
  SEINET11191811  Epilobium ciliatum Unknown 2009-8-6 11532 Los Angeles San Gabriel Mountains Comment
  UCSB11813  Epilobium ciliatum Breedlove, Dennis 1961-9-24 Los Angeles Middle Ranch Canyon, 0.5 mi above Ben Weston Beach; Santa Catalina Island 60 Comment
  RSA588371  Epilobium ciliatum subsp. ciliatum N. C. Cooper 1949-6-29 43821 Los Angeles Dripping Springs, San Gabriel Canyon. 1220 Comment
  SFV21051  Epilobium ciliatum subsp. ciliatum L. Gross 2001-6-6 429 Los Angeles Verdugo Mountains North side of mountains. Hostetter Mountain Way, off of La Tuna Canyon Road. Near a seep just along dirt fire road on north-facing slope. 671 Comment
  RSA622847  Epilobium glaberrimum subsp. glaberrimum Louis C. Wheeler 1968-7-3 s.n. Los Angeles San Gabriel Mountains: West of heliport. 1585 Comment
  RSA733124  Epilobium glaberrimum subsp. glaberrimum R. G. Swinney 1998-7-24 6574 Los Angeles San Gabriel Mtns.: Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge. 2200 Comment
  RSA603332  Epipactis gigantea Scott D. White 1997-5-21 5203 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
  RSA611876  Epipactis gigantea Louis C. Wheeler 1932-8-2 1108 Los Angeles N Fork San Gabriel River, San Gabriel Mountains 1433 Comment
  UC429310  Epipactis gigantea Geo. B. Grant June, 1904 Los Angeles Eagle Rock Canyon Pasadena Comment
  SEINET6056521  Equisetum X ferrissii Unknown 1973-7-15 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  SEINET3154661  Equisetum telmateia G. B. Grant 406 Los Angeles Pasadena Comment
  CATA1111  Equisetum telmateia subsp. braunii Mark L. Hoefs 1995-5-23 2075 Los Angeles Santa Catalina Island: Lower Middle Ranch Canyon, near road to Bulrush Canyon 115 Comment
  CAS-BOT-BC213594  Eragrostis mexicana subsp. mexicana Cecil Hart 1921-7-1 s.n. Los Angeles Howard & Smith's Nursery Comment
  RSA611947  Eragrostis mexicana subsp. virescens L. C. Wheeler 1935-12-9 4068 Los Angeles 2 miles NE of La Verne 381 Comment
  UCR163174  Eragrostis pectinacea var. pectinacea Anuja Parikh, Nathan Gale 2004-6-2 2027 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 3) in vicinity of confluence of Castaic Creek 290 Comment
  POM86479  Eremocarpus setiger George B. Grant 1906-8-23 s.n. Los Angeles From Pasadena. Comment
  RSA592864  Eremocarpus setiger L. C. Wheeler 1945-9-20 6155 Los Angeles San Gabriel Mountains. Just west of divide of Kinneloa (''Sycamore'') Canyon. 426 Comment
  RSA602308  Eremocarpus setiger L. C. Wheeler 1946-12-14 6450 Los Angeles San Gabriel Mountains: San Dimas Canyon; ca. 1/4 mile upstream from dam. Comment
  SEINET8205345  Eremogone macradenia Steve Boyd 1997-9-10 10027 Los Angeles Liebre Mountains region: upper northern flank of Liebre Mountain at head of Tentrock Canyon alogn dirt trzack near Forest Service wildlife drinker site; gentle slopes to north of crest of central ridge of Liebre Mountain 1585 Comment
  SEINET8353723  Eremogone macradenia Unknown 1908-6-20 3357 Los Angeles Liebre Mtn. Comment
  JEPS31693  Eremothera boothii subsp. decorticans Frank W. Peirson 1928-6-2 7949 Los Angeles Rock Cr. San Gabriel Mts. (main stream bed) 1371 Comment
  UC1584237  Eremothera boothii subsp. decorticans Tim Ross and Steve Boyd 1990-6-6 2882 Los Angeles slope sw Piru Pond; Los Padres National Forest, Liebre Mtn USGS 7.5' quadrangle 644 Comment
  UCR193535  Eriastrum R. G. Swinney 1999-6-18 7280 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
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May 3 2012
  RSA0042342  Eriastrum densifolium subsp. austromontanum Pam De Vries 2013-5-17 7857 Los Angeles Tehachapi Mountains/Western Transverse Range (Gorman Hills). About 0.5 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Rd. 1059 Comment
  RSA0106908  Eriastrum densifolium subsp. austromontanum R. G. Swinney 1998-9-4 6896 Los Angeles San Gabriel Mtns.; dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi east of Hwy 2 on 3N06. 2241 Comment
  SD3870  Eriastrum densifolium subsp. austromontanum Ruth B. Randall Jul 1931 Los Angeles Big Pines. Comment
  UC1871043  Eriastrum densifolium subsp. austromontanum T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3961 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
  UCR126224  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1992-6-27 113 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
  RSA0107958  Eriastrum densifolium subsp. elongatum Wm. Martin 1971-7-26 s.n. Los Angeles Big Tujunga wash, north and east of Sunland. Comment
  SBBG31211  Eriastrum filifolium R. F. Thorne 1966-6-2 36527 Los Angeles between Moonstone and White Coves 30 Comment
  UCR139006  Eriastrum sapphirinum L. C. Wheeler 1947-6-13 6518 Los Angeles San Gabriel Mountains, mesa south of San Antonio Canyon [near San Bernardino Co. line] Comment
  UCR277868  Eriastrum sapphirinum subsp. dasyanthum Sarah J. De Groot, L. L. Worlow 2005-5-26 5013 Los Angeles San Gabriel Mountains bajada, Claremont: vacant lot on northwest corner of Foothill Blvd and Monte Vista Avenue 398 Comment
  UCR84383  Eriastrum sparsiflorum T. S. Ross, Steve Boyd 1993-5-23 7251 Los Angeles Red Mtn, Lower easterly ridge; c. 700-840 m SE of the saddle between Ruby and Clearwater Canyons. 963 Comment
  RSA670684  Ericameria cooperi B. C. Templeton 1947-5-21 6279 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  CAS-BOT-BC131684  Ericameria cooperi var. cooperi Ralph Hoffmann 1932-4-26 s.n. Los Angeles Mint Canyon n. of Solamint Comment
  CAS-BOT-BC131692  Ericameria cooperi var. cooperi Steve Boyd; Lauren Raz 1997-3-26 9365 Los Angeles Liebre Mountains Region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir; west side of mouth of Myrick Canyon 999 Comment
  SD82874  Ericameria cooperi var. cooperi Robert F. Thorne, C. W. Tilforth 1971-6-29 40672 Los Angeles San Gabriel Mountains.; north slope of mountains;.5 miles west of Soledad near mouth of Kentucky Springs Canyon. 945 Comment
  UC101102  Ericameria cooperi var. cooperi Joseph Burtt Davy 1896-5-19 2580 Los Angeles at Bills; West Palmdale Comment
  UCR141856  Ericameria cuneata var. cuneata R. G. Swinney 1997-8-19 5822 Los Angeles San Gabriel Mountains., San Anonio Peak (= Lookout Mountain), 60-100 m SE of summit. 2052 Comment
  RSA725088  Ericameria linearifolia Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -4 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
  SD124550  Ericameria linearifolia J. Sauer, G. Malanson 1981-5-15 6136 Los Angeles San Gabriel Mountains; near Juniper Hills on north side of range. Comment
  SFV4103  Ericameria linearifolia K. A. Wilson 1961-3-11 990 Los Angeles San Gabriel Mountains San Francisquito Canyon. 3 miles south of Green Valley. 790 Comment
  UC1118767  Ericameria linearifolia R. St. John 1930-2-28 105 Los Angeles Gorman Tejon Quadrangle 1310 Comment
  CAS-BOT-BC299014  Ericameria nauseosa var. hololeuca H. M. Hall 1917-10-27 10585 Los Angeles 8 miles W of Lancaster Comment
  UCR162780  Ericameria palmeri J. R. Ekhoff 1999-9-28 s.n. Los Angeles South Coast, Long Beach 30 Comment
  UCR20307  Ericameria parishii G. R. Johnstone, T. S. Clare 1927-10-20 s.n. Los Angeles San Gabriel Mtns., Eaton Canyon 762 Comment
  CAS-BOT-BC131659  Ericameria parishii var. parishii C. B. Wolf 1931-8-5 2299 Los Angeles Just below the Padua Hills Theatre, above Claremont, San Gabriel Mts. 457 Comment
  CAS-BOT-BC131665  Ericameria parishii var. parishii F. Grinnell 1908-9-1 s.n. Los Angeles Mt. Wilson 1676 Comment
  UC1870189  Ericameria parishii var. parishii LeRoy Gross 2001-9-1 446 Los Angeles Verdugo Mountains; north side, Along Hostetter Mountain Way. 610 Comment
  POM359463  Ericameria pinifolia Anstruther Davidson 1889-08 s.n. Los Angeles Glendale. Comment
  RSA612654  Ericameria pinifolia Anna Christensen 1997-4-2 7 Los Angeles E. L.A County, Claremont Bernard Biological Station (Claremont Colleges) NW corner of Mills Ave. and Foothill Blvd., 50 yards E. and 70 yards N of gate to Rancho Santa Ana Botanic Garden greenhouse facilities just e. of disturbed path. 412 Comment
  UC527674  Ericameria pinifolia C. B. Wolf 1931-10-20 Los Angeles 0.5 mi above Montrose (on the rd from Tujunga to La Canada); San Gabriel Mts. 457 Comment
  UC527730  Ericameria teretifolia C. B. Wolf 1931-11-2 Los Angeles 1 mi above point where road joins the highway road from Acton; Mint Canyon 975 Comment
  SBBG112831  Erigeron bonariensis S. A. Junak with M. L. Hoefs, K. Kirkland 1998-7-16 SCa 758 Los Angeles upper end of salina at mouth of Cherry Cyn 3 Comment
  LA88390  Erigeron canadensis O. H. Kappler; 1943-9-12 536 Los Angeles Santa Monica Mountains, Arroyo Sequit 182 Comment
  CAS-BOT-BC296204  Erigeron foliosus var. foliosus A. J. McClatchie 1895-1-1 s.n. Los Angeles Pasadena Comment
  POM357476  Erigeron foliosus var. foliosus Fordyce Grinnell Jr. 1910-7-22 s.n. Los Angeles Switzer's Camp 915 Comment
  POM6800  Erigeron philadelphicus P. A. Munz, L. T. Street, Williams 1919-4-5 2469 Los Angeles Puddingstone Canyon, near San Dimas. 274 Comment
  UCD119242  Eriodictyon crassifolium var. nigrescens A. C. Sanders; Mark A. Elvin, Anuja Parikh, Nathan Gale, et al 2003-4-30 26199 Los Angeles Western San Gabriel Mtns.: Castaic Valley at west foot of Castaic Mesa, Newhall Ranch. 366 Comment
  CAS-BOT-BC222683  Eriodictyon trichocalyx Tim Ross; Steve Boyd 1991-4-25 4579 Los Angeles San Gabriel Mtns: Steep slope dropping S from Doe Flat toward Graveyard Canyon (which drains to the lower E Fk of the San Gabriel River) 829 Comment
  RSA664092  Eriodictyon trichocalyx Marianne Marshall 1981-4-26 10 Los Angeles 1.0 mi N of fire station, East Fork of San Gabriel River on Hiking trail. Comment
  RSA455069  Eriodictyon trichocalyx Anstruther Davidson 1925-6-1 s.n. Los Angeles [No location information on label.] Comment
  LA205720  Eriodictyon trichocalyx var. trichocalyx Carl Epling; Nesta Dunn, Alice Goen 1931-5-16 sn Los Angeles San Gabriel Mountains, Cajon Pass Comment
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Nov 11 2014
  RSA455094  Eriodictyon trichocalyx var. trichocalyx Freda Detmers 1931-10-15 s.n. Los Angeles Lytle Canyon Comment
  HSC35877  Eriogonum angulosum Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-8-19 2171 Los Angeles Beside Hwy. 5 just W of junction with Hwy. 138 Comment
  RSA603818  Eriogonum baileyi var. baileyi Steve Boyd 1997-9-17 10034 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. 915 Comment
  RSA393137  Eriogonum cinereum Tom Burch 1940-4-19 s.n. Los Angeles Malabu [Malibu] Coast. Comment
  RSA393139  Eriogonum cinereum Louis C. Wheeler 1931-11-11 343 Los Angeles Topanga Canyon, Santa Monica Mountains 305 Comment
  SBBG120802  Eriogonum cinereum R. Burgess, P. Munro 1998-1-25 2636 Los Angeles Cheesebro Cyn Trail, un-named cyn N of Canyon View Trail 304 Comment
  CAS-BOT-BC241932  Eriogonum cithariforme Joseph Andorfer Ewan 1931-7-4 4742 Los Angeles 2 mi. above Gold Creek Road in Pacoima Canyon, San Gabriel Mts. 762 Comment
  RSA748913  Eriogonum davidsonii R. G. Swinney 2008-5-2 8729 Los Angeles Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  RSA311432  Eriogonum davidsonii Michael C. Long 1974-5-19 s.n. Los Angeles Devil's Punchbowl Co. Park, 1/2 mi. N of headquarters. Comment
  RSA755614  Eriogonum elongatum R. G. Swinney 2008-9-9 9324 Los Angeles Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  UCR229416  Eriogonum elongatum Dan S. Cooper 2010-9-7 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Royce Canyon, Griffith Park, Los Angeles 320 Comment
  UC412911  Eriogonum elongatum var. elongatum D. L. Crawford 1915-10-27 506 Los Angeles mts. near Claremont Comment
  POM2230  Eriogonum elongatum var. elongatum D. L. Crawford 1915-10-27 506 Los Angeles San Bernardino Mountains: Stoddard Canyon - Claremont. Comment
  UCR140647  Eriogonum fasciculatum subsp. polifolium Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-16 1- 7 Los Angeles Western Transverse Range, Acton [near Red Rover Mine], Escondido Canyon off Route 14, Site L1 950 Comment
  CAS-BOT-BC253266  Eriogonum fasciculatum var. foliolosum Geo. B. Grant 1901-2-15 s.n. Los Angeles Pasadena Cemetery Comment
  POM279962  Eriogonum fasciculatum var. foliolosum Arthur L. Cohen 1934-8-2 492 Los Angeles Beverly Drive, Santa Monica. 61 Comment
  UC1032051  Eriogonum fasciculatum var. foliolosum H. A. Jensen 1933-5-18 162 A Los Angeles near Ravenna (Soledad Canyon); Tujunga Quadrangle, Soledad Canyon Comment
  UCR273394  Eriogonum fasciculatum var. foliolosum R. G. Swinney 2011-3-18 14140 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  POM2237  Eriogonum fasciculatum var. polifolium W. R. Dudley, F. H. Lamb 1896-6-8 4368 Los Angeles Kings Canyon, Liebre Mts. Comment
  RSA529166  Eriogonum fasciculatum var. polifolium Tim S. Ross, S. D. Boyd 1991-7-24 5646 Los Angeles San Gabriel Mountains, Granite Mountain: NNE slope 1915 Comment
  UC83226  Eriogonum fasciculatum var. polifolium C. F. Baker 1903-8-2 3454 Los Angeles San Antonio Canyon near Claremont; San Antonio Canyon Comment
  UCD100072  Eriogonum fasciculatum var. polifolium G. H. Vansell 1933-6-30 s.n. Los Angeles Palmdale, Antelope Valley. Comment
  RSA515128  Eriogonum giganteum var. formosum Aaron Liston 1989-4-30 805 -1 Los Angeles San Clemente Island. Waynuk Canyon, W slope of island. Comment
  UC1302388  Eriogonum giganteum var. giganteum Robert F. Thorne and P. C. Everett 1964-2-6 33438 Los Angeles above airport road (central part of Santa Catalina Island); Santa Catalina Island Comment
  UCR41731  Eriogonum giganteum var. giganteum G. R. Ballmer, G. F. Pratt 1986-3-25 s.n. Los Angeles Southern Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 Comment
  RSA629741  Eriogonum gracile var. gracile Louis C. Wheeler 1973-7-15 s.n. Los Angeles San Gabriel Mountains: Doe Flat; Graveyard Canyon.. . Comment
  RSA393233  Eriogonum gracile var. gracile Robert Gustafson 1981-7-15 2338 Los Angeles Ballona Wetlands, Area 2. Comment
  RSA620020  Eriogonum gracile var. gracile LeRoy Gross 1998-12-20 104 Los Angeles San Gabriels Mountains.: Henninger Flats. 915 Comment
  RSA487211  Eriogonum gracillimum James L. Reveal 1988-5-17 6798 Los Angeles Antelope Valley, along 60th Avenue 0.2 mile east of G St., in the south side of the highway and General W.J. Fox Airport, about 5.5 air miles west-northwest of Lancaster 732 Comment
  POM209907  Eriogonum heermannii var. heermannii Victor Duran 1933-8-10 3545 Los Angeles South Fork Big Rock Creek. 1081 Comment
  SBBG125470  Eriogonum hirtiflorum A. Parikh, N. Gale 2010-6-18 3339 Los Angeles upper Big Tujunga Cyn, 0.9 km N of St Hwy 2, 0.3 km W of upper Big Tujunga Cyn Rd, San Gabriel Mtns 1240 Comment
  RSA755462  Eriogonum microtheca R. G. Swinney 2008-7-16 9262 Los Angeles Little Rock Creek, 0.1 mi north of its confluence with Cooper Canyon, on the Burkhart Trail 1741 Comment
  RSA572346  Eriogonum microtheca var. johnstonii R. T. Hawke 1994-9-10 72 Los Angeles Southwestern ridge of Mt. San Antonio Comment
  CAS-BOT-BC268780  Eriogonum mohavense A. D. E. Elmer 1902-6-1 3651 Los Angeles Lancaster Comment
  UCR190354  Eriogonum nudum R. G. Swinney 2001-6-16 7967 Los Angeles San Gabriel Mtns., Juniper Hills, north side of Pleasant View Ridge, secondary ridge between Miller and McClure canyons 1951 Comment
  RSA506843  Eriogonum nudum var. pauciflorum Louis C. Wheeler 1967-8-24 10493 Los Angeles Angeles National Forest: SW slope of Mt. Waterman. 2165 Comment
  POM16943  Eriogonum plumatella P. A. Munz 1923-9-1 7720 Los Angeles Sheep Creek: San Antonio Mountains. 1372 Comment
  CAS-BOT-BC258235  Eriogonum pusillum Peter Kamb 1948-5-6 973 Los Angeles Desert foothills of the San Gabriel Mts above Little Rock 975 Comment
  RSA65980  Eriogonum roseum F. W. Peirson 1921-11-11 2719 Los Angeles Elizabeth Lake. Comment
  RSA781294  Eriogonum saxatile R. G. Swinney 2009-7-23 11377 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  SEINET3160086  Eriogonum saxatile G. B. Grant 1906-6-19 6915 Los Angeles Summit, Mt. Wilson 1829 Comment
  UC1584054  Eriogonum saxatile Tim Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4053 Los Angeles ne Tie Summit Station (e of Angeles Forest Hwy.); San Gabriel Mtss, Angeles Nat'l Forest, Tujunga Ranger Dist. 1645 Comment
  RSA233721  Eriogonum umbellatum var. minus Robert F. Thorne, Larry E. DeBuhr 1972-8-18 42253 Los Angeles San Gabriel Mts; Angeles National Forest: open peak of Mt. Islip 2515 Comment
  UCSB9111  Eriogonum vimineum Hoffmann, Ralph 1928-11-9 Los Angeles Acton Comment
  CAS-BOT-BC264995  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
  RSA250384  Eriogonum wrightii var. subscaposum Robert F. Thorne, Larry E. DeBuhr 1972-8-18 42247 Los Angeles San Gabriel Mts; Angeles National Forest: open peak of Mt. Islip 2515 Comment
  RSA596994  Eriogonum wrightii var. subscaposum Steve Boyd, Lauren Raz 1996-9-24 8968 Los Angeles Liebre Mountains, Sawmill Mountain along Forest Service Road 7N23 on broadly rounded summit area at divide between Devils Gulch and Fish Canyon. 1622 Comment
  SD19702  Eriogonum wrightii var. subscaposum Mary Alice Stow 1937-9-26 Los Angeles Top of San Antonio Peak Comment
  UC6546  Eriogonum wrightii var. subscaposum Dr. A. Davidson 1892-1 Los Angeles Wilson's Peak Comment
  CAS-BOT-BC297930  Eriophyllum confertiflorum Geo. B. Grant 1904-5-24 6270 Los Angeles Pasadena Comment
  CAS-BOT-BC297964  Eriophyllum confertiflorum Lewis S. Rose 1934-12-31 34535 Los Angeles Griffith Park Comment
  CDA5252  Eriophyllum confertiflorum A. C. Browne 1953-6-1 Los Angeles 3 miles north of Castaic. 0 Comment
  RSA747098  Eriophyllum confertiflorum A. C. Sanders, Teresa B. Salvato 2009-5-19 36827 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
  SBBG132332  Eriophyllum confertiflorum D. Pivorunas, J. Dunn 2003-5-27 DP- 4 -2003 Los Angeles Boulders Cyn Comment
  UC1871278  Eriophyllum confertiflorum T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3995 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
  SEINET10615495  Eriophyllum confertiflorum Stone 2002-5-9 STONE 3359 Los Angeles San Gabriel Mountains. Angeles National Forest. Along Sunset Ridge Fire Road, S of Sunset Peak. 1585 Comment
  LA200194  Eriophyllum confertiflorum var. confertiflorum Jonathan Sauer; 1969-6-4 4573 Los Angeles Santa Monica Mountains, Tuna Canyon, lower portion of canyon Comment
  SEINET7067000  Eriophyllum lanatum J. L. Crane, Payam M. Fallah 2003-7-9 Mar- 79 Los Angeles Along the Angeles Crest highway (Route 2). San Gabriel Mountains. Coordinate datum: NAD27. UTM Zone 11, 431889mE, 3803999mN. Comment
  RSA589259  Eriophyllum pringlei Timothy S. Ross 1991-4-27 4666 Los Angeles Mojave Desert: Black Butte Basin Road; 2.75 miles and ca. 145deg. SW of Three Sisters [buttes]. 1003 Comment
  RSA649695  Eriophyllum pringlei Michael Horn 1991-5-7 26 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
  SBBG131709  Erodium botrys S. A. Junak 1999-5-21 SCa 998 Los Angeles just S of main rd intersection, along rd to Coffee Pot Cyn 496 Comment
  CLARK-A1528-5432  Erodium botrys John C. Roos 1943-3-27 2622 Los Angeles West Los Angeles 0 Comment
  RSA488022  Erodium brachycarpum Mark Hoefs 1974-3-28 414 Los Angeles Santa Catalina Island, ridge above and north of Upper Bulrush Canyon. 335 Comment
  UCR182671  Erodium brachycarpum R. G. Swinney 1998-4-13 5956 Los Angeles San Gabriel Mtns, Marshall and Live Oak Canyon drainages, LaVerne 695 Comment
  CHSC98048  Erodium cicutarium LeRoy Gross; Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 691 Los Angeles Transverse Ranges: Verdugo Mountains Region: South side, along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway .Area burned in Summer-Fall of 2002. 783 Comment
  RSA390935  Erodium moschatum Amelia Eatherton 1930-04 s.n. Los Angeles Open sunny places, Eagle Rock Comment
  RSA638948  Erodium moschatum Louis C. Wheeler 1967-5-15 9570 Los Angeles San Gabriel Mountains: Ridgetop ESE of Fremont Pass. 595 Comment
  UCR190793  Erysimum capitatum R. G. Swinney 2001-4-18 7925 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, east end of Holcomb Ridge at Bobs Gap 1280 Comment
  UCR205609  Erysimum capitatum R. G. Swinney 2008-5-13 8849 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, Holcomb Canyon, 0.5 mi. south of Big Rock Creek Rd. 1293 Comment
  SBBG17337  Erysimum capitatum var. capitatum K. A. Wilson 1962-3-25 1256 Los Angeles Soledad Cyn, W of Bee Cyn, N of River's End Ranch. Comment
  POM545  Erysimum capitatum var. capitatum F. G. Reed 1902-05 24 Los Angeles Coble Canyon, north of Claremont 457 Comment
  SD236424  Erythranthe latidens A. C. Sanders 2005-5-11 30131 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, Plum Canyon, SW of Cruzan Mesa on bench on N side of canyon 573 Comment
  CAS-BOT-BC403158  Eschscholzia californica Peter H. Raven 1962-5-22 17834 Los Angeles Santa Catalina Island: first canyon west of Lions Head Point 51 Comment
  POM158018  Eschscholzia ramosa M. B. Dunkle 1928-3-31 1794 Los Angeles Cottonwood Canyon, Santa Catalina Island. 122 Comment
  SEINET13383115 Image available Eucalyptus camaldulensis R. G. Swinney 2010-1 12109 Los Angeles San Gabriel Moutains: Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway 207 Comment
  UCR210520  Eucalyptus camaldulensis R. G. Swinney 2008-11-30 9889 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  SEINET3155594  Eucalyptus globulus D. B. Dunn 1951-8-20 7625 Los Angeles 4911 Pasadena Ave. Terrace, LA. 244 Comment
  RSA461097  Eucalyptus viminalis Robert Gustafson 1981-4-14 2165 Los Angeles Ballona Wetlands, Area 2. Comment
  UCR205176  Eucrypta chrysanthemifolia R. G. Swinney 2008-4-10 8636 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lodi Canyon, west of San Dimas Reservoir 463 Comment
  UCR95348  Eucrypta chrysanthemifolia L. C. Wheeler 1967-5-2 9255 Los Angeles San Gabriel Mtns, Liebre Mtns, north side of northwesternmost end of foothills (of San Gabriel Mtns) between Bouquet Junction and Bonelli Ranch 427 Comment
  SBBG64835  Eucrypta chrysanthemifolia var. chrysanthemifolia M. N. Ackley -May-1927 382 Los Angeles Eagle Rock Comment
  SBBG17121  Eulobus californicus M. Vincent 1962-4-6 162 Los Angeles Old Topanga Cyn Rd, 3 mi S of Ventura Blvd Comment
  UCD142555  Euphorbia albomarginata M. Vincent 1962-5-19 253 Los Angeles Between Pearblossom and Valyermo; one mile from main Highway 138. Comment
  RSA661076  Euphorbia misera Orlando Mistretta 1992-4-5 184 Los Angeles Guds, San Clemente Island. Comment
  RSA733161  Euphorbia palmeri R. G. Swinney 1997-6-13 5596 Los Angeles San Gabriel Mtns: ridge NE of Table Mountain (pk. 7473'), ca. 0.4 mi. W of San Bernardino Co. line. 2195 Comment
  UCR124577  Euphorbia palmeri B. C. Templeton 1932-6-19 4919 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2195 Comment
  CDA4864  Euphorbia peplus Phillipson 1915-5-1 Los Angeles Monrovia. Comment
  RSA632014  Euphorbia peplus L. C. Wheeler 1973-4-9 s.n. Los Angeles San Gabriel Mountains: Millard Canyon, just up stream from national forest boundary. Comment
  RSA592311  Euphorbia peplus L. C. Wheeler 1967-5-13 9516 Los Angeles San Gabriel Mountains. San Gabriel Canyon, El Encanto. 259 Comment
  RSA656196  Euphorbia peplus Joseph M. Keefe 1975-12-1 19 -421 Los Angeles Verdugo Mountains: 402 East Palmer Ave., Glendale. Comment
  UCD142449  Euphorbia peplus J. Ewan 1932-2-20 7022 Los Angeles Santa Monica Mts. Upper Sonoran Zone. Mandeville Canyon at Administration Bldg. Comment
  UCSB7603  Euphorbia peplus Haller, Norman 1953-3-31 Los Angeles Near Olympic and Beverly Glen Blvd., W Los Angeles Comment
  RSA127972  Euphorbia serpillifolia P. H. Raven 1959-10-25 14698 Los Angeles Arroyo Sequit 1.6 miles north of Coast Hwy. 137 Comment
  RSA597786  Euphorbia terracina Scott D. White 1996-3-18 3836 Los Angeles Marina del Rey area. Ballona Creek, floodplain and adjacent N-facing slope, W of Lincoln Blvd. and S of Jefferson Blvd. 3 Comment
  UCR119045  Euphorbia terracina Jeremiah George 2001-7-17 s.n. Los Angeles South Coastal Plains Region, Palos Verdes Peninsula, Rancho Palos Verdes, Ocean Trails development, between Palos Verdes Dr. South and the ocean 3 Comment
  JEPS30500  Euthamia occidentalis Peter H. Raven and Henry J. Thompson 1959-10-18 14658 Los Angeles near mouth of Topanga Canyon; Santa Monica Mountains 4 Comment
  JEPS32341  Euthamia occidentalis J. Thomas Howell 1927-10-29 3179 Los Angeles se of Long Beach Comment
  SBBG56690  Festuca myuros var. hirsuta R. Hoffmann 1931-5-3 Los Angeles San Francisquito Cyn Comment
  RSA0091350  Festuca octoflora R. G. Swinney 2011-4-1 14300 Los Angeles WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  LA105073  Festuca perennis Barry A. Prigge; 1988-7-3 8195 Los Angeles Santa Monica Mountains, Calabasas, ca 0.4 mi E of jtn of Mulholland Hwy and Old Topanga Rd, S of E-end of Calabasas High School track 313 Comment
  UCR151023  Ficus carica Scott D. White 1997-5-7 5049 Los Angeles San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, alluvial fan at base of mountains. SW of Hwy 210, east of Hansen Dam, and north of Wentworth Street 351 Comment
  RSA393721  Filago californica M. B. Dunkle 1940-4-10 1840 Los Angeles Above Parson's, Santa Catalina Island. Comment
  RSA596024  Filago californica Timothy S. Ross, J. Mark Porter 1995-5-4 8448 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  RSA611772  Filago californica L. C. Wheeler 1934-4-17 2530 Los Angeles San Gabriel Mountains, Palmer Canyon 510 Comment
  RSA625855  Filago californica Scott D. White, Pam De Vries 1998-4-19 6278 Los Angeles Irwindale: Santa Fe Flood Control Basin (on the San Gabriel River) 150 Comment
  UCR200179  Filago californica Valerie Soza, Laura A. Moore 2000-5-10 847 Los Angeles 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, west of peak ''1936' 579 Comment
  RSA0042306  Filago californica Mark L. Hoefs, Steven A. Junak 2000-4-14 3069 Los Angeles Santa Catalina Island: Hillside about halfway between Airport Road and Goat Harbor. 469 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
  POM145720  Forestiera pubescens L. R. Abrams 1927-4-30 11747 Los Angeles West of Lancaster. Comment
  UCR190923  Forestiera pubescens R. G. Swinney 1999-6-28 7450 Los Angeles San Gabriel Mtns./Mojave Desert, Graham Canyon, south of Mescal Highlands Rd. 1494 Comment
  LA212202  Frangula californica Terri Lords; 1977-5-22 50 Los Angeles SAN GABRIEL MOUNTAINS, Big Tujunga. 914 Comment
  SBBG26943  Frangula californica subsp. californica I. W. Clokey, B. Templeton -Apr-1929 4442 Los Angeles Mandeville Cyn 200 Comment
  SEINET7417528 Image available Frangula californica subsp. californica Unknown 1904-1 1114 Los Angeles Pasadena Comment
  UCR182476  Frasera neglecta R. G. Swinney 1997-7-17 5684 Los Angeles San Gabriel Mtns., summit of Table Mountain, NW of Wrightwood 2277 Comment
  RSA595171  Fraxinus dipetala Steve Boyd 1996-4-25 8685 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
  CDA5386  Fraxinus uhdei C. R. Tower Sep 1950 Los Angeles West bank of Rio Hondo, Montebello. 0 Comment
  CAS-BOT-BC211010  Fraxinus velutina Joseph Andorfer Ewan 1937-8-15 10968 Los Angeles West Fork San Gabriel River, San Gabriel Mts. 518 Comment
  RSA628305  Fremontodendron californicum subsp. californicum Louis C. Wheeler 1974-3-6 s.n. Los Angeles San Gabriel Mountains: Gold Bar mill site. Comment
  UCR90329  Fritillaria pinetorum Ed LaRue 1992-7-18 SGM- 15 Los Angeles San Gabriel Mtns., [west of] Wrightwood, 0.25 mi east of parking lot above Mountain High Ski area Comment
  RSA0030912  Galinsoga parviflora Frank W. Peirson 1931-4-11 9375 Los Angeles At 1077 New York Drive, Altadena. Comment
  UC447161  Galinsoga parviflora var. parviflora J. Ewan 1931-4-12 4162 Los Angeles Peirson's residence Altadena (back yard) Comment
  POM367614  Galium Peterson 1931-7-10 s.n. Los Angeles Griffith Park. Comment
  UCR280806  Galium angustifolium Mitch Provance 2017-6-29 617- 48 Los Angeles Catalina Island, Middle Canyon, E of McGee Lake, 0.2 miles SE of Middle Ranch Rd. and Cape Canyon Trail 207 Comment
  LA82081  Galium angustifolium subsp. angustifolium O. H. Kappler; 1940-7-1 65 Los Angeles SANTA MONICA MOUNTAINS, Carbon Canyon Comment
  UC625015  Galium angustifolium subsp. angustifolium F. R. Fosberg 1931-3-24 S 4354 Los Angeles draw on North Wall Santa Catalina Island, Hamilton Canyon 50 Comment
  POM367670  Galium angustifolium subsp. angustifolium Howard Mullins 1931-4-27 270 Los Angeles Griffith Park. Comment
  RSA191165  Galium angustifolium subsp. gabrielense Robert F. Thorne, M. Z. Thorne 1967-7-19 37168 Los Angeles Angeles National Forest: Big Cienega Springs above Crystal Lake Recreation Area. 1982 Comment
  SEINET12285260  Galium angustifolium var. siccatum M. T. Doutt 1931-1 651 Los Angeles Sierra Madre Mts., trail between Mt. Lowe & Mt. Wilson 1615 Comment
  SBBG98497  Galium aparine T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5261 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 384 Comment
  UCR13483  Galium catalinense O. F. Clarke, B. T. Gittins, D. Kucera & So. Cal. Botanists Fld. Trip 1968-2-25 s.n. Los Angeles Channel Islands, Santa Catalina Island, within 0.5 mile of the U.S.C. Marine Sciences Station at the isthmus on the N end of the island 213 Comment
  RSA678489  Galium catalinense subsp. acrispum Mark A. Elvin, Dylan Hannon, Gery Allan, Curtis Clark, Steve Burckhalter 1996-4-20 158 Los Angeles San Clemente Island. Second canyon S of Bryce Canyon, on loamy banks along cyn floor. Comment
  RSA188272  Galium catalinense subsp. catalinense Robert F. Thorne 1966-5-31 36452 Los Angeles Santa Catalina Island. Along small stream back of Shark Harbor 8 Comment
  UC284280  Galium hallii P. A. Munz 1923-5-26 6861 Los Angeles Rock Creek San Gabriel Mts. 1767 Comment
  RSA771773  Galium hilendiae R. G. Swinney 2009-5-20 10828 Los Angeles Pechner Canyon, SE of community of Juniper Hills. 1463 Comment
  RSA585774  Galium jepsonii Orlando Mistretta 1995-7-11 1881 Los Angeles San Gabriel Mountains. Santiago Canyon. North slope of Pacifico Mountain, near summit. 2073 Comment
  RSA577276  Galium johnstonii Orlando Mistretta 1994-7-20 1435 Los Angeles Big Rock Creek, Sycamore Flat Campground. 1305 Comment
  RSA586820  Galium johnstonii Orlando Mistretta, Steve D. Boyd 1995-6-21 1374 Los Angeles Santiago Canyon drainage northwest of Pacifico Mtn 1890 Comment
  UC102540  Galium parishii A. J. McClatchie 1893-8-16 Los Angeles Mt. San Antonio 2438 Comment
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May 26 2014
  RSA0113209  Galium parisiense Steven A. Junak 2000-5-19 SCa- 1322 Los Angeles Santa Catalina Island. Just W of road, near Opuntia patch. 317 Comment
  RSA639067  Galium parisiense Louis C. Wheeler 1968-7-2 s.n. Los Angeles San Gabriel Mountains: Summit Johnstone Peak. 976 Comment
  UC1518674  Galvezia speciosa Robert F. Thorne 1973-4-11 42836 Los Angeles San Clemente Island 274 Comment
  SBBG118131  Gambelia speciosa P. A. Munz 1923-4-9 6685 Los Angeles Lemon Tank Comment
  RSA656219A  Gamochaeta pensylvanica Joseph M. Keefe 1978-5-23 23249 -A Los Angeles San Rafael Mountains; Disturbed chaparral near path; 100 meters east of cafeteria, Glendale College, 1500 North Verdugo Road, Glendale. 287 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
  RSA251485  Gastridium phleoides R. F. Thorne 1973-4-11 42817 Los Angeles San Clemente Island: plateau W of upper part of Norton Canyon. 396 Comment
  SBBG13012  Gastridium phleoides E. R. Blakley 1962-6-9 5209 Los Angeles between Triangulation Pts "Chenity" and "Rest"; above Mosquito Cove 335 Comment
  CHSC99688  Gaura drummondii Johnson 1939-8-10 Los Angeles North Whittier Heights. Comment
  UCR209502  Gayophytum R. G. Swinney 2008-6-17 9021 Los Angeles San Gabriel Mountains, 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1992 Comment
  UCR223176  Gayophytum R. G. Swinney 2009-7-22 11318 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  POM11397  Gayophytum heterozygum P. A. Munz 1921-6-17 4646 Los Angeles Swartout [Swarthout] Valley: Sawmill. 2073 Comment
  LA201967  Genista monspessulana Arthur C. Gibson; 2004-3-17 5018 Los Angeles Comment
  LA33618  Geranium carolinianum Peter H. Raven; 1959-4-4 13949 A Los Angeles Santa Monica Mountains, Point Dume Natural Preserve, just E of Zuma Beach 9 Comment
  UCR256592  Geranium rotundifolium Anuja Parikh, Nathan Gale 2011-5-21 3395 Los Angeles South Coast, San Gabriel River, just west of I-605, 0.7 km north of Lower Azusa Rd/Los Angeles St. 109 Comment
  RSA0119098  Gilia aliquanta subsp. aliquanta A. C. Sanders 2008-4-25 35102 Los Angeles Transverse Range; Western San Gabriel Mtns.: Slopes west of Old LaLiebre Ranch, south of Hwy 138. 1000 Comment
  CATA3040  Gilia angelensis Amy Catalano 2016-3-18 049 Los Angeles Santa Catalina Island: On west side ca. 0.75 miles down of second Old Hunting Road along Empire Landing Road between Airport Road and Sheep Chute Road, about 270 meters off road 252 Comment
  CATA449  Gilia angelensis Sara L. Crockett 1997-3-18 589 Los Angeles Santa Catalina Island: Upper Cape Canyon, 1.0 mile NE on Cape Canyon Road from jct. with Middle Ranch Road; on slope adjacent to first side canyon S and W from jct. with Lower Cape Canyon Reservoir Road 304 Comment
  RSA639179  Gilia angelensis L. C. Wheeler 1967-5-29 9774 Los Angeles Cow Canyon Saddle, [covered former dump]. 1377 Comment
  RSA156023  Gilia angelensis P. H. Raven 1962-3-27 17000 Los Angeles Palos Verdes Hills along Palos Verdes Drive 1.4 miles east to Portugese Bend. Comment
  UCR119290  Gilia brecciarum A. C. Sanders, D. Malueg 1998-6-22 22053 Los Angeles San Gabriel Mtns., Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon 1006 Comment
  UCR259205  Gilia brecciarum Mitch Provance, Callen Huff 2009-4-29 10680 Los Angeles Tehachapi Mountains, Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 0.6 mile north of Gorman; site PO1091 1432 Comment
  RSA0119942  Gilia brecciarum subsp. brecciarum R. G. Swinney 2014-4-23 16157 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. 1232 Comment
  SD38788  Gilia capitata subsp. abrotanifolia Dr. McDougall 1931-5-4 2063 B Los Angeles Griffith Park. Comment
  RSA589194  Gilia latiflora subsp. latiflora T. S. Ross 1991-4-27 4686 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
  RSA71839  Gilia leptantha subsp. transversa F. W. Peirson 1921-5-20 4132 Los Angeles Little Rock Creek: north base of San Gabriel Mountains. 1006 Comment
  UCR189386  Gilia leptantha subsp. transversa R. G. Swinney 1998-6-12 6183 Los Angeles San Gabriel Mountains, SW of Pinon Hills, 0.3 mi. south of mouth of Mescal Canyon and reservoir 1500 Comment
Read comments
May 3 2012
  RSA233399  Gilia nevinii R. F. Thorne 1966-4-17 36100 Los Angeles San Clemente Island: mesa just NW of Thirst. 549 Comment
  RSA469473  Gilia nevinii F. R. Fosberg 1931-4-7 S 4496 Los Angeles Hamilton Beach, Santa Catalina Island. 10 Comment
  RSA0016270  Gilia ochroleuca subsp. bizonata T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4811 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  CAS-BOT-BC407853  Gilia ochroleuca subsp. ochroleuca Robert F. Thorne; G. Wallace 1973-4-25 43365 Los Angeles San Gabriel Mts., Mojave Desert slope: 1/4 mile N of Bob's Gap, 3.5 mile S of Llano, N slope of Holcomb Ridge 1188 Comment
  UCR185576  Gilia tricolor A. C. Sanders, T. B. Salvato 2007-4-25 33545 Los Angeles Tehachapi Mtns., Oso Canyon near Kern Co. line, c. 0.1-0.2 mi. south of road on canyon bottom, c. 0.75 mi. east of powerlines 1220 Comment
  CDA22265  Gilia tricolor subsp. tricolor Garrettson 1915-1 s.n.-A Los Angeles Montebello Hills District. 0 Comment
  RSA681348  Githopsis diffusa subsp. diffusa LeRoy Gross, Bill Hogshead, Valerie Soza 2003-5-29 947 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
  LA32025  Glebionis coronaria Henry J. Thompson; 1959-5-24 2000 Los Angeles Santa Monica Mountains, Tuna Canyon, 1.5 mi N of Coast Hwy, Tuna Canyon Rd 243 Comment
  UCR271655  Gnaphalium californicum R. G. Swinney 2011-3-26 14199 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  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
  RSA658482  Gnaphalium californicum Patricia Kouo 1994-4-27 944118 Los Angeles 3 miles south of I-10, and 1-mile north of I-60. On the west side of Rosemead Blvd. at the most southern lake. Comment
  POM358891  Gnaphalium microcephalum Ora M. Clark 1929-3-24 1776 Los Angeles Santa Susanna Mts. Comment
  UC896936  Gnaphalium palustre F. R. Fosberg 1931-7-14 S 5404 Los Angeles Echo Lake Santa Catalina Island, Echo Lake 400 Comment
  RSA611072  Gnaphalium stramineum L. C. Wheeler 1970-6-9 s.n. Los Angeles San Pedro: Harbor Blvd. at 4th Street. 3 Comment
  RSA762285  Gnaphalium stramineum Orlando Mistretta, Christine Mistretta 2008-5-5 2641 Los Angeles Southern California Edison transmission line corridor (Segment 11, Impact Area 19 per TRTP Survey 2008), in the vicinity of Eaton Canyon, N of New York Drive. 320 Comment
  RSA589263  Grayia spinosa T. S. Ross 1991-4-28 4779 Los Angeles Adobe Mountain: Southwesterly extension of the mountain. 926 Comment
  LA200214  Grindelia camporum var. bracteosa J. Warren; 1952-6-3 sn Los Angeles Santa Monica Mountains, Mulholland Drive 609 Comment
  UCR138522  Grindelia camporum var. bracteosa L. C. Wheeler 1968-7-2 s.n. Los Angeles San Gabriel Mtns, Bluebird Truck Trail, near Big Dalton Canyon 732 Comment
  CAS-BOT-BC305252  Grindelia hirsutula Delzie Demaree 1933-5-30 10371 Los Angeles S.W. Los Angles [Angeles] by Goodman Airport Comment
  RSA199188  Guillenia lasiophylla R. F. Thorne 1968-5-28 37653 Los Angeles Santa Catalina Island: central Bullrush Canyon. 244 Comment
  RSA549191  Guillenia lasiophylla Timothy S. Ross, Peter Fritsch 1990-6-20 3675 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon. 1256 Comment
  CAS-BOT-BC304625  Gutierrezia californica Bunch 1974-8-16 0522 Los Angeles West of Archery Range - Castaic Comment
  RSA90682  Gutierrezia microcephala Joseph A. Ewan 1934-8-3 8339 Los Angeles Table Mountain at the head of Le Montaine Creek 2255 Comment
  POM4718  Gutierrezia sarothrae L. R. Abrams 1902-7-5 1557 Los Angeles Azusa Comment
  POM369710  Harpagonella palmeri M. B. Dunkle 1928-4-22 1889 Los Angeles Santa Catalina Island; Buttonshell Beach. 23 Comment
  OBI34894  Hazardia squarrosa var. grindelioides David J. Keil 1983-8-23 17869 Los Angeles Just W of Leo Carillo State beach along hwy 1 , ca. 1 mi E of Ventura Cnty line. Comment
  CATA2004  Hedypnois cretica Steven A. Junak, Mark Hoefs, Misty Gay 1997-6-6 Los Angeles Santa Catalina Island: Just inland from beach at White's Landing 3 Comment
  POM257576  Helianthemum scoparium var. vulgare C. B. Wolf 1932-5-13 s.n. Los Angeles Santa Catalina Island. Hillside south of largest Reservoir, 3.5 mi. (by road) from Avalon on way to Isthmus. 365 Comment
  CAS-BOT-BC305688  Helianthus gracilentus F. Grinnell Jr. 1916-6-16 s.n. Los Angeles Santa Susana Pass, Los Angeles - Ventura Cos. 457 Comment
  CAS-BOT-BC305695  Helianthus gracilentus Alice Eastwood 1919-5-29 8996 Los Angeles San Gabriel Canyon Comment
  RSA0022375  Helianthus gracilentus Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5136 Los Angeles San Gabriel Mountains region: Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA0083303  Helianthus gracilentus R. G. Swinney 2010-6-4 13044 Los Angeles Placerita Canyon Natural Area, Botany Trail Loop, from Nature Center to the NE in a ravine and along ridgetop to its south, parallel and to the south of Placerita Canyon Rd. 473 Comment
  POM369739  Heliotropium curassavicum var. oculatum F. R. Fosberg 1930-6-23 443 Los Angeles Del Rey 2 Comment
  RSA0127176  Heliotropium curassavicum var. oculatum Louis C. Wheeler 1967-7-23 10167 Los Angeles Barrel Springs. San Andreas Fault zone. Comment
  SD144021  Helminthotheca echioides Scott D. White 1997-3-12 4745 Los Angeles Zuma Beach Area; mouth of Zuma Creek, E end of the County Beach. 7 Comment
  CAS-BOT-BC310102  Hemizonella minima Joseph Andorfer Ewan 1932-6-15 7340 Los Angeles 1/2 mile above Horse Flats, Pine Flats Region, San Gabriel Mts. 1706 Comment
  POM360256  Hemizonia fasciculata F. R. Fosberg 1931-5-7 4839 Los Angeles Cottonwood Canyon, Santa Catalina Island 160 Comment
  UCR156104  Hemizonia fasciculata A. C. Sanders 2005-5-5 29881 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, northeast rim of Cruzan Mesa along dirt road under powerlines, above Vasquez Canyon Rd. 640 Comment
  CATA1455  Hesperocnide tenella Mark L. Hoefs, Robert F. Thorne 1996-4-6 2637 Los Angeles Santa Catalina Island: End of Renton Mine Road 268 Comment
  RSA3713  Hesperocnide tenella Carl B. Wolf 1932-5-11 3560 Los Angeles Fourth O' July Cove; Santa Catalina Island 30 Comment
  RSA792781  Hesperocnide tenella Justin M. Wood 2009-3-24 385 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
  CAS-BOT-BC403835  Hesperocnide tenella G. B. Grant 1900-3-17 2296 Los Angeles Pasadena Comment
  RSA549581  Hesperocnide tenella Tim S. Ross 1991-3-10 4216 Los Angeles Claremont: Bernard Field Station, on E side of RSA 392 Comment
  RSA92870  Hesperocnide tenella F. W. Peirson 1921-2-26 2356 Los Angeles Topango Canyon Divide. 488 Comment
  CAS-BOT-BC135947  Hesperoyucca whipplei I. W. Clokey 1935-7-1 6994 Los Angeles Hillside, Pasadena Glen 400 Comment
  CAS-BOT-BC135950  Hesperoyucca whipplei Peter H. Raven; Henry J. Thompson 1959-5-5 14150 Los Angeles On chaparral burn, 4.1 miles north-west of Tapia Park on road to Malibu Lake - Santa Monica Mountains 182 Comment
  CATA1902  Heteromeles arbutifolia Elizabeth Baniaga, Joseph Vickers, Ariella Markowitz, Leia Moyse, Makaela Ballard, Benjamin Carter 2012-8-3 Los Angeles Santa Catalina Island: City of Avalon, near base of Hermit Gulch Trail 121 Comment
  SD143733  Heteromeles arbutifolia Scott D. White 1997-2-2 4657 Los Angeles San Dimas/Pomona area: Bonelli Regional Park. Just NW of Puddingstone Reservoir, S of San Dimas Ave., and E of the I-210 Freeway. 244 Comment
  SD253540  Heteromeles arbutifolia R. G. Swinney 2011-3-26 14233 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Canyon (Glendora 7.5'Q) 476 Comment
  RSA0072407  Heteromeles arbutifolia var. macrocarpa F. Raymond Fosberg 1931-12-11 7159 Los Angeles Santa Catalina Island. Gallagher's Beach. 2 Comment
  SBBG95707  Heterotheca grandiflora M. B. Dunkle 1928-5-27 1976 Los Angeles Hamilton Cyn Comment
  CHSC83672  Heuchera elegans John Dittes; Gina Hall 1990-7-19 269 Los Angeles Transverse Range; San Gabriel Mts., North of Kratka Ridge, ca. 1.7 air miles east of Cloudburst Summit, North of Angeles Crest Highway. On slope along creek below Burkhart Trail, between Buckhorn Flat Campground and Cooper Canyon. 1889 Comment
  RSA607911  Hirschfeldia incana L. C. Wheeler 1961-6-13 7884 Los Angeles Pacoima Canyon near Dutch Louie Camp 716 Comment
  UCD115189  Hirschfeldia incana G. H. Vansell 1933-6-30 s.n. Los Angeles Palmdale, Antelope Valley. Comment
  POM352404  Holcus lanatus Stone 1936-6-3 282 Los Angeles Los Angeles Comment
  RSA706552  Holcus lanatus LeRoy Gross 2005-6-23 2382 Los Angeles Road survey for Angeles National Forest; From Alder Saddle 4 miles down road 5N04 along South Fork Little Rock Creek. 1458 Comment
  RSA628349  Holocarpha heermannii Steve Boyd 1998-10-7 10299 Los Angeles Southern edge of the Antelope Valley at the north base of Portal Ridge, along 180th Street West, near the California Aqueduct, east of mouth of Broad Canyon. 915 Comment
  RSA449778  Holodiscus discolor Thekla Mohr s.n. Los Angeles Los Angeles. Comment
  RSA330788  Holodiscus microphyllus Wayne E. Sawyer 1981-7-10 86 Los Angeles San Gabriel Mountains, Angeles National Forest: CA Highway 2 between Dawson Saddle and junction of CA Highway 39, 1.6 miles from Dawson Saddle 2317 Comment
  SBBG91850  Hordeum brachyantherum subsp. californicum S. A. Junak 1978-4-16 SCa 039 Los Angeles above Fourth of July Cove, near rd 45 Comment
  CAS-BOT-BC284695  Hordeum jubatum A. D. E. Elmer 1902-6-1 3618 Los Angeles Lancaster Comment
  POM50779  Hordeum jubatum A. D. E. Elmer 1902-06 3618 Los Angeles Lancaster. Comment
  RSA0047592  Hordeum marinum A. C. Sanders 2007-4-19 33430 Los Angeles Hills north of Oso Canyon and south of the National Cement Plant, Seen only in one place today: 34 deg 48 02N, 118 deg 44 52W. 1006 Comment
  CDA2187  Hordeum marinum subsp. gussoneanum L. C. Wheeler 1945-4-17 6018 Los Angeles Los Angeles Basin, near intersection of Slauson and Garfield Ave., [city of Commerce] 3 miles south of Montebello Comment
  SBBG13312  Hordeum murinum M. A. Piehl 1962-6-9 62351 Los Angeles China Pt, S of lighthouse 3 Comment
  SBBG38845  Hordeum murinum M. B. Dunkle 1939-4-5 7271 Los Angeles China Pt Comment
  UCR150715  Hordeum murinum R. G. Swinney, Dave Larson 1999-5-15 7169 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  UCR2468  Hordeum murinum George B. Grant 1904-1 594 Los Angeles San Gabriel Valley, City of Pasadena Comment
  UCSB10674  Hordeum murinum subsp. leporinum Lloyd, Robert 1959-5-21 Los Angeles Pomona College Campus, Claremont, on the corner of 6th and College; San Gabriel Mtn. Range 365 Comment
  POM578  Horkelia cuneata subsp. puberula O. W. Robinson 1916-4-3 s.n. Los Angeles Near Greek Theater. Claremont. Comment
  SEINET11911586  Horkelia cuneata subsp. puberula H. M. Hall 1903-1 3750 Los Angeles Pasadena Comment
  CAS-BOT-BC213006  Hosackia crassifolia Timothy S. Ross; Steve Boyd; Peter W. Fritsch 1990-6-11 3355 Los Angeles Big Rock Creek Canyon: ca 120 m NNW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin) 1731 Comment
  LA31719  Hosackia crassifolia var. crassifolia Mary V. Hood; 1943-7-11 43- 85 k Los Angeles Charlton Flat 1310 Comment
  CAS-BOT-BC311945  Hulsea heterochroma Geo. B. Grant 1902-6-10 s.n. Los Angeles Martin's Camp Comment
  JEPS22767  Hulsea vestita subsp. gabrielensis Rimo Bacigalupi with Reino Alava 1958-7-20 6426 Los Angeles cliffside along Angeles Crest Highway (State Highway 2, along nw shoulder of Mt. Islip); San Gabriel Mts., Angeles National Forest, watershed of S Fo 2164 Comment
  NY546780  Hulsea vestita subsp. gabrielensis D. H. Wilken 1973-6-1 11880 Los Angeles Angeles Crest Highway, 3 miles East of Chilao, San Gabriel Mts. 1828.8 Comment
  CDA2199  Hyparrhenia hirta T. C. Fuller 1969-7-17 18682 Los Angeles Northwest corner of Sunset Blvd. & Groverton Street, Westwood. 0 Comment
  RSA535311  Hypochaeris glabra Timothy S. Ross 1991-5-21 5374 Los Angeles San Clemente Island: recent burn betw Box and Horse Canyons, 1.2-1.25miles SSW from NS axis road separating just NW of thirst. (just NE of small knoll) 483 Comment
  CSUSB28  Iris douglasiana Virginia M. Bolton 1966-5-4 Los Angeles Foothills below Mount Baldy. Comment
  RSA595870  Iris pseudacorus Timothy S. Ross, Victor W. Steinmann 1995-5-8 8529 Los Angeles Bouquet Canyon: along Bouquet Canyon Road at its intersection with a US Forest Service road that winds up onto the ridge between Bouquet Canyon and Mystic Canyon. 595 Comment
  UCSB51537  Isocoma acradenia Hodgson, John 1928-11 Los Angeles At bridge above Grapevine, Ridge Route; Santa Barbara Forest 548 Comment
  CHSC62038  Isocoma menziesii var. menziesii L. P. Janeway 1993-10-5 4606 Los Angeles Puente Hills; at the head of Arroyo San Miguel. Dirt road and drilling pad. 228 Comment
  LA32044  Isocoma menziesii var. sedoides Henry J. Thompson; 1958-10-23 1814 Los Angeles Santa Monica Mountains, Point Dume, above the beach 30 Comment
  UCSB9932  Isocoma menziesii var. sedoides Wedberg, H. 1958-7-19 Los Angeles Point Dume Comment
  CAS-BOT-BC311707  Isocoma menziesii var. vernonioides S. B. Parish; W. F. Parish 1881-10-1 178 a Los Angeles Sta. Monica Comment
  RSA126745  Isocoma menziesii var. vernonioides Peter H. Raven, H. J. Thompson 1959-10-4 14554 Los Angeles Coast Highway just north of mouth of Santa Monica Canyon. 15 Comment
  RSA639353  Isoetes nuttallii L. C. Wheeler 1934-3-11 2436 Los Angeles 1/2 mi. E Puddingstone Dam, San Jose Hills. 274 Comment
  IRVC28615  Isomeris arborea A. C. Sanders, Mark Elvin 2002-6-20 25242 Los Angeles Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river NE end of Santa Susana Mtns. 290 Comment
  HSC65714  Iva axillaris C. W. Tilforth, S. Nilsson 1972-7-20 42188 Los Angeles Caldwell Lake near Valyermo (sag pond on the San Andreas fault 1570 Comment
  UCR141578  Ivesia santolinoides June Latting 1978-9-16 s.n. Los Angeles San Gabriel Mountains, Throop Peak Trail 2786 Comment
  SEINET3147797  Jaumea carnosa T. S. Brandegee sn Los Angeles Catalina Island Comment
  CAS-BOT-BC101910  Juglans californica S. Parnay Mar. s.n. Los Angeles Santa Monica [Canon] Canyon Comment
  RSA597449  Juglans californica Tim S. Ross, Victor W. Steinmann 1995-5-8 8533 Los Angeles Bouquet Canyon: along Bouquet Canyon Road at its intersection with a US Forest Service road that winds up onto the ridge between Bouquet Canyon and Mystic Canyon. 595 Comment
  UCR209208  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37167 Los Angeles San Gabriel Valley, Pomona, between Mt. San Antonio College and Cal Poly Pomona on Temple Ave., at crest of pass 245 Comment
  RSA5573  Juncus acutus subsp. leopoldii Carl B. Wolf 1932-5-12 3586 Los Angeles Santa Catalina Island: 3/4 mile from Little Harbor- parallel to Isthmus road Comment
  UCSB58945  Juncus acutus subsp. leopoldii Mitchell, Don 1991-6-5 Los Angeles Castaic Lagoon-previously recorded location; north shore Comment
  RSA771571  Juncus balticus R. G. Swinney 2009-5-6 10658 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  RSA777876  Juncus balticus R. G. Swinney 2009-6-8 11100 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA730065  Juncus balticus subsp. ater R. G. Swinney 1999-5-8 7135 Los Angeles San Gabriel Mtns.: Pinon Hills, Boneyard Canyon near spring not shown on topo, very near LA Co. line. 1463 Comment
  UCR129641  Juncus bufonius I. M. Johnston 1916-12-29 s.n. Los Angeles San Gabriel Valley, Claremont 335 Comment
  UCR76412  Juncus bufonius T. S. Ross 1992-4-16 6202 Los Angeles Channel Islands, Central part of San Clemente island; 289 degrees WNW, 680 m distant from 1603 ft. peak above Stone Station 416 Comment
  CATA835  Juncus bufonius var. bufonius Mark L. Hoefs 1991-6-26 1434 Los Angeles Santa Catalina Island: Bulrush Canyon 335 Comment
  RSA0089509  Juncus bufonius var. bufonius R. G. Swinney 2011-6-30 15410 Los Angeles 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  UCR142541  Juncus bufonius var. bufonius L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mtns., foot of Holiday Hill Ski Lift [c. 1 mi. SE of Big Pines] 1997 Comment
  UC457328  Juncus macrophyllus Carl Epling and N. Dunn 1931-5-30 Los Angeles Los Alisos Canyon Santa Monica Mountains Comment
  RSA642710  Juncus macrophyllus Orlando Mistretta 1992-6-13 694 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  RSA368125  Juncus mexicanus F. R. Fosberg 1931-5-6 S- 4792 Los Angeles Cape Canyon, Santa Catalina Island. 220 Comment
  SBBG98499  Juncus patens T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5257 Los Angeles near W fork of Death Cyn, draining to Mosquito Cove (drainage beginning 800' N of Rest (1346") marker; 1800' SE of Malo Knoll (1398') 382 Comment
  SBBG57364  Juncus torreyi R. Hoffmann 1927-9-21 Los Angeles Gorman Comment
  RSA595948  Juncus xiphioides Steve Boyd, Mark A. Elvin, Victoria Jotikasthira 1996-6-25 8877 Los Angeles Liebre Mountains, southeastern end of Peace Valley in San Andreas Rift Zone, fault sag south of Highway 138 and north of the California Aqueduct, ca. 0.75 air miles west of Quail Lake. 1006 Comment
  UCR210219  Juncus xiphioides R. G. Swinney 2008-8-14 9434 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek at South Fork Campground Spring 1402 Comment
  LA200960  Juniperus californica Carl Wishner; 1990-4-17 1780 Los Angeles SANTA MONICA MOUNTAINS, Agoura, SE of Agoura Rd and Cornell Cut-Off Rd. 225.0 Comment
  SEINET8981408 Image available Juniperus chinensis Arboretum Staff 68 D916 Los Angeles Los Angeles, Los Angeles State and County Arboretum Comment
  SEINET8981508 Image available Juniperus chinensis Arboretum Staff 68 P1046 Los Angeles Los Angeles, Los Angeles State and County Arboretum Comment
  RSA401772A  Keckiella cordifolia Samuel R. Tyson 1942-6-5 s.n. Los Angeles San Dimas Canyon 442 Comment
  SBBG66496  Keckiella cordifolia M. N. Ackley -Aug-1927 Los Angeles near Glendale, Verdugo Hills 274 Comment
  UC1215185  Keckiella cordifolia Peter H. Raven 1962-5-10 17733 Los Angeles San Clemente Island; Horse Canyon, the large canyon w of Thirst 274 Comment
  RSA0084938  Keckiella ternata R. G. Swinney 2010-9-13 13807 Los Angeles Crystal Lake, within 100 m of shoreline. 1683 Comment
  SEINET12269346  Keckiella ternata M. T. Doutt 1931-1 639 Los Angeles Sierra Madre Mts., trail between Mt. Lowe & Mt. Wilson Comment
  UC27509  Keckiella ternata var. septentrionalis J. H. Barber 1897-6-29 218 Los Angeles Acton; Bear Canyon Comment
  CAS-BOT-BC246117  Keckiella ternata var. ternata W. R. Dudley 1900-7-9 s.n. Los Angeles Near summit of Mt. Lowe, San Gabriel Mountains Comment
  RSA20389  Kochia californica Roxana S. Ferris, Ruth P. Rossbach 1938-5-13 9475 Los Angeles 5 miles W of Lancaster on the Antelope Valley Rd. Comment
  RSA584310  Krascheninnikovia lanata T. S. Ross, Steve Boyd 1991-3-23 4283 Los Angeles Northeastern-most corner of the county, ca. 3 mi. SSE of Jackrabbit Hill (Kern Co.), (ca. 1.45 mi. S of Kern Co. line and 0.2-0.5 mi. W of San Bernardino Co. line). 878 Comment
  SD31156  Lactuca serriola Edith A. Purer 1931-8-15 Los Angeles Palos Verdes Hills Comment
  CATA1250  Lagunaria patersonia Mark L. Hoefs, Phil Hartman, Bret Marin 1995-6-27 2330 Los Angeles Santa Catalina Island: Catalina Harbor 3 Comment
  POM352652  Lamarckia aurea Richard Kirtland 1928-3-28 14753 Los Angeles Palos Verdes Hills Comment
  RSA549910  Lamarckia aurea Peter L. Morrell, Orlando Mistretta, Laurel Arsneth 1992-4-4 121 Los Angeles San Clemente Island, upper terrace, approx. 2km SSW of Wilson Cove on W side of island. 100 Comment
  RSA585121  Lamarckia aurea C. Epling 1931-5-25 s.n. Los Angeles Los Alisos Canyon Comment
  SBBG12182  Lamarckia aurea P. H. Raven 1962-4-9 17156 Los Angeles near barracks, Wilson Cove 60 Comment
  RSA654336  Lamium amplexicaule Benjamen Rangel 1992-4-12 777 -09 Los Angeles Off road by the light post G-19, by the cow corrals at Cal Poly Pomona. Comment
  UCR281350  Larrea tridentata R. G. Swinney 2014-4-24 16189 Los Angeles San Gabriel Mountains, NE of Valyermo, wash and plateau at north end of Bob's Gap, 3.1-3.6 miles south of Hwy. 138, c. 0.2 miles east of Bob's Gap Rd., east of Bob's Gap Wash 1293 Comment
  POM12256  Lastarriaea coriacea F. L. Robinson 1921-6-2 94 Los Angeles Between Claremont and Upland Comment
  POM50713  Lasthenia californica L. R. Abrams 1901-04 1248 Los Angeles Santa Monica Mountains Comment
  SEINET13710413  Lasthenia californica J. Adams, J. Adams (Botany) 1965-1 69 Los Angeles Claremont, Pomona College Wash 1100 Ft 335 Comment
  SEINET7047893  Lasthenia californica Steven R. Hill, Kate Kramer 2001-4-22 33341 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
  RSA92990  Lasthenia coronaria F. W. Peirson 1912-03 s.n. Los Angeles Rubio Wash, south base of San Gabriel Mountains Comment
  UC50365  Lasthenia glabrata subsp. coulteri H. M. Hall 1903-4-1 3736 Los Angeles Los Angeles Comment
  SBBG13286  Lasthenia gracilis M. A. Piehl 1962-6-9 62317 a Los Angeles head of cyn just below (N of) Chenity (S of Mosquito Cove) 304 Comment
  UC30444  Lasthenia gracilis Jos. Burtt Davy 1901-3-1 Los Angeles Saugus Comment
  UCSB10343  Lasthenia gracilis Haller, Norman 1953-3-21 Los Angeles Southern part of Point Dume Comment
  POM361545  Lasthenia gracilis M. V. Hood 1940-4-7 s.n. Los Angeles Between San Fernando and Newhall 427 Comment
  CHSC30062  Lathyrus Alisa Goldman 1980-4-5 7 Los Angeles Temescal Canyon, Presbyterian Conference Grounds, Sunset Blvd. and Temescal Cyn. Rd., Pacific Palisades. 167 Comment
  UCSB3107  Lathyrus vestitus var. alefeldii Wedberg, Lee 1954-4-26 Los Angeles Devil's Gate Dam, Pasadena 243 Comment
  SFV1822  Lathyrus vestitus var. alefeldii H. L. Bauer 1941-5-1 658 Los Angeles San Gabriel Mountains Bouquet Canyon near Del Sur. Comment
  RSA90349  Lathyrus vestitus var. vestitus F. W. Peirson s.n. Los Angeles Franklyn Canyon. Comment
  UCR214634  Lavatera cretica A. C. Sanders, Dan S. Cooper 2010-3-12 37384 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA21248  Layia glandulosa C. B. Wolf 1937-4-28 8519 Los Angeles Mojave Desert, Antelope Valley, 4.5 miles S of Lancaster. 716 Comment
  UC1928578  Layia glandulosa Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 05050 57 Los Angeles Transverse Ranges; San Gabriel Mountains region; Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. 1444 Comment
  UCR163321  Layia glandulosa B. G. Pitzer 1998-5-12 3708 Los Angeles Western Mojave Desert, Hwy 138 (Palmdale Hwy), c. 1 mi. west of the San Bernardino County line 1171 Comment
  UCR50983  Layia glandulosa A. C. Sanders, B. Pitzer, J. C. Lyman 1988-4-4 7768 Los Angeles Western Mojave Desert, Lancaster, near Quartz Hill, south of Ave L at 37th St. West 747 Comment
  SBBG54395  Layia platyglossa M. Hastings 1965-4-7 21 Los Angeles Pomona College, Blanchard Park, Claremont Comment
  SBBG82787  Layia platyglossa M. Bufkin -Apr-1895 Los Angeles near Pasadena Comment
  UC53917  Layia platyglossa Ernest Braunton 1903-3-1 833 Los Angeles Playa del Rey Comment
  JEPS31168  Layia platyglossa Ernest C. Twisselmann 1962-4-18 6957 Los Angeles n side of Oso Canyon Road to Mexican Mine; Tejon Ranch 1005 Comment
  SD70952  Layia platyglossa subsp. campestris R. Mitchel Beauchamp 1967-3-17 249 Los Angeles San Clemente Island; on grassy slope east of Wilson Cove. Comment
  SD85051  Layia platyglossa subsp. campestris Martin A. Piehl 1963-12-7 63066 Los Angeles San Clemente Island;Pyrimid Head. Comment
  LA82032  Lepechinia fragrans Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA300979  Lepechinia fragrans D. C. Michener, Walter Wisura 1982-8-7 4169 Los Angeles San Gabriel Mtns: Northeast-facing ridge between Wolfskill & West Fork of Palmer canyons. 1220 Comment
  UCR65215  Lepechinia fragrans F. R. Fosberg 1931-5-6 S- 4786 Los Angeles Channel Islands, Cape Canyon, Santa Catalina Island 280 Comment
  SD80057  Lepidium densiflorum C. W. Tilforth 1970-4-9 256 Los Angeles Rancho Santa Ana Botanic Garden, Claremont. Comment
  SD90423  Lepidium lasiocarpum subsp. lasiocarpum Robert F. Thorne 1966-4-16 36039 Los Angeles San Clemente Island; sandy bank of old, raised beach, 2/3 mile southsoutheast of Eel Point and north of Seal Cove; southwest side of island. 29 Comment
  SBBG37650  Lepidium lasiocarpum var. lasiocarpum M. A. Piehl 1962-6-9 62359 Los Angeles China Pt 15 Comment
  CAS-BOT-BC12475  Lepidium nitidum R. C. Wenk; P. Hopkinson; M. Hammond; P. Brownsey 2008-3-27 729 Los Angeles Antelope Valley Poppy Preserve. Off Highway 138, about 13 miles west of Lancaster. 868 Comment
  RSA533427  Lepidium nitidum Timothy S. Ross 1991-4-21 4536 Los Angeles Whittier Hills (Puente Hills, pro parte): Middle Turnbull Canyon, vicinity of old water tank. 229 Comment
  UCR187183  Lepidium nitidum A. C. Sanders 2006-4-21 32149 C 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
  LA210066  Lepidium nitidum var. nitidum W. O. Griesel; 1936-4-18 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  RSA612149  Lepidium perfoliatum Steve Boyd, Kent Hughes 1998-5-5 10191 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
  RSA729752  Lepidium virginicum R. G. Swinney 1999-7-28 7585 Los Angeles San Gabriel Mtns.: Iron Fork, a western tributary of East Fork San Gabriel River Canyon, c. 200 m above confluence. 951 Comment
  UCR266386  Lepidium virginicum D. E. Bramlet, Allison D. Rudalevige 2009-4-27 4363 Los Angeles Transverse Range; San Gabriel Mtns., Big Tujunga Wash, along Oro Vista Ave. west of Big Tujunga Canyon Rd. 397 Comment
  CAS-BOT-BC13008  Lepidium virginicum Lewis S. Rose 1937-4-9 37081 Los Angeles Near Llano, 3 miles southeast of Palmdale. 1036 Comment
  RSA0112020  Lepidium virginicum subsp. virginicum Richard G. Swinney 2011-3-29 14267 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
  UCR273748  Lepidium virginicum subsp. virginicum R. G. Swinney 2011-6-15 15193 Los Angeles San Gabriel Mountains, Chilao Creek, 100 m south and north of Chilao Campground 1573 Comment
  UCR205066  Lepidium virginicum var. pubescens R. G. Swinney 2008-4-4 8612 Los Angeles San Gabriel Mtns., lower Ham Canyon where it runs through San Dimas Golf Course, just above confluence with San Dimas Wash 366 Comment
  RSA609382  Lepidium virginicum var. virginicum L. C. Wheeler 1941-2-14 s.n. Los Angeles Edge of San Gabriel Mts. foothills ca. 0.5 miles NE of Webb School. 412 Comment
  UCR25179  Lepidospartum latisquamum John C. Roos 1951-7-30 5073 Los Angeles San Gabriel Mtns., Swarthout Valley between Wrightwood and Big Pines 1982 Comment
  CAS-BOT-BC328062  Lepidospartum squamatum Geo. B. Grant 1906-9-14 7184 Los Angeles Pasadena Comment
  RSA486475  Lepidospartum squamatum Richard Noyes 1988-7-30 598 Los Angeles Claremont. foothills of the San Gabriel Mountains. Burbank Canyon, NW of Thompson Creek Dam 500 Comment
  UCR108371  Lepidospartum squamatum L. C. Wheeler 1961-6-13 7874 Los Angeles San Gabriel Mtns., Pacoima Canyon near Dutch Louie Camp 716 Comment
  LA33409  Leptochloa fusca subsp. uninervia Peter H. Raven; Henry J. Thompson 1959-10-4 14553 Los Angeles SANTA MONICA MOUNTAINS, along Pacific Coast Hwy, just N of mouth of Santa Monica Canyon. 15 Comment
  POM352729  Leptochloa fusca subsp. uninervia Anstruther Davidson 1919-01 s.n. Los Angeles West Adams St. Los Angeles Comment
  JEPS69842  Leptodactylon californicum Frank W. Peirson 1919-5-10 401 Los Angeles Mt. Gleason; San Gabriel Mountains, Mt. Gleason 1371 Comment
  UC23418  Leptodactylon californicum Harley P. Chandler 1897-1-1 Los Angeles Claremont 701 Comment
  SEINET7288806  Leptodactylon californicum Bonnie C. Templeton 1930-5-27 1403 Los Angeles Higgins Canyon, North of Beverly Hills, Santa Monica Mountians 200 Comment
  SEINET3087492 Image available Leptodactylon californicum subsp. californicum David Charlton 1987-1-31 635 Los Angeles Saddle Peak, Santa Monica Mountains. 610 Comment
  RSA585931  Leptosiphon breviculus T. S. Ross, S. D. Boyd, Peter Fritsch 1990-6-8 2938 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
  RSA606034A  Leptosiphon breviculus L. C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon, depression on bench NE of Campground. 1433 Comment
  RSA710781  Leptosiphon breviculus LeRoy Gross 2005-4-28 2138 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
  UCR256694  Leptosiphon breviculus J. M. Porter, Lauren E. Machen 2012-5-30 15131 .2 Los Angeles San Gabriel Mtns., Along CA Hwy 2 (Angeles Crest Highway) across the highway from Dawson Saddle Trail (and pull-off) 2412 Comment
  RSA73055  Leptosiphon lemmonii F. W. Peirson 1920-4-26 2111 Los Angeles Santa Anita Wash above Foothill Blvd. 213 Comment
  SD46753  Leptosyne douglasii P. C. Everett, E. K. Balls 1956-5-9 21569 Los Angeles 5.2 miles north of Los Angeles-Kern County line along Highway 6 730 Comment
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Feb 12 2016
  POM122586  Lessingia tenuis Marcus E. Jones 1926-6-7 s.n. Los Angeles South of Lebec, Liebre Mountains. Comment
  RSA679946  Lewisia rediviva LeRoy Gross, Valerie Soza 2003-6-10 1019 Los Angeles Mount Baldy Trail from Baldy Village to summit of Mount San Antonio. South of West Baldy. 2896 Comment
  POM156185  Leymus triticoides Le Roy Abrams 1902-6-12 2523 Los Angeles Ballona Creek, near Mesmer. Comment
  RSA716472  Leymus triticoides Scott D. White, Andrea Warniment 2006-7-7 11612 Los Angeles Gorman area, Gorman creek NE of the I-5 Freeway. SE Tehachapi Mts. 1037 Comment
  SBBG31101  Leymus triticoides R. F. Thorne 1966-5-31 36448 Los Angeles Little Harbor on beach 4 Comment
  SEINET13943226 Image available Ligustrum Joseph Andorfer Ewan 1933-1 10945 Los Angeles Shatto Street near Union Ave Comment
  UCR12194  Lilium humboldtii Art Whistler 1966-6-20 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., valley between Coral Canyon Road and the Coast Hwy [Calif. Hwy 1] near Malibu Beach, 30 mi from Woodland Hills 34 Comment
  RSA68711  Lilium rubescens Frank W. Peirson 3687 Los Angeles Road near Coldwater Canyon, Santa Monica Mts. Comment
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May 5 2010
  CATA2203  Limonium perezii Sara L. Crockett, Michael Daligdig 1996-10-21 6 Los Angeles Santa Catalina Island: Descanso Beach Club 6 Comment
  RSA381421  Limosella acaulis Robert F. Thorne 1968-9-24 41383 Los Angeles Angeles National Forest: Jackson Lake 1860 Comment
  UCR259249  Linanthus aureus R. G. Swinney 2010-6-1 13086 Los Angeles San Gabriel Mountains, Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1098 Comment
  UCR256244  Linanthus aureus subsp. aureus R. G. Swinney 2010-5-19 12840 Los Angeles San Gabriel Mountains, horseshoe bend in Pacific Telephone Access Rd., 0.3 air miles NNE of Oracle Hill Summit, 2.1 air miles due east of Angeles Forest Hwy, 0.8 air miles due west of Mt. Emma Rd. 1207 Comment
  RSA161184  Linanthus bigelovii P. H. Raven 1962-4-6 19107 Los Angeles 0.5 miles north of Pearblossom 854 Comment
  SEINET13383041 Image available Linanthus californicus R. G. Swinney 2011-1 15315 Los Angeles San Gabriel Mountains: Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao Visitor Center 1582 Comment
  SBBG17074  Linanthus dianthiflorus M. Vincent 1962-3-14 155 Los Angeles Malibu Cyn Rd, 1 mi from US Hwy 101 Comment
  RSA599817  Linanthus dichotomus Steve Boyd, Lauren Raz 1997-3-26 9391 Los Angeles Liebre Mountains region: Summit of Sierra Pelona Ridge near the divide between Martindale Canyon to the north and Spade Spring Canyon to the south. 1377 Comment
  UCR21119  Linanthus liniflorus A. C. Sanders, Nancy Smith, K. R. Neisess 1980-6-4 1552 Los Angeles West Mojave Desert, western Antelope Valley, Hwy 138, 5.3 mi. west of the junction with Three Points Road, and 6.3 mi. east of the junction with old Gorman Post road Comment
  SBBG125047  Linanthus parryae A. Parikh, N. Gale 2010-5-25 3218 Los Angeles Sierra Pelona, 5.5 km W of State Hwy 14, 2.0 km SW of California Aqueduct 1120 Comment
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Nov 10 2013
  UC1537475  Linanthus parviflorus Gordon H. True Jr. 1935-5-16 286 Los Angeles Bouquet Canyon 548 Comment
  UCR209155  Linaria canadensis Dan S. Cooper 2009-4-30 409- 3 .1 Los Angeles Western Transverse Range; eastern Santa Monica Mtns., NW shoulder of Cahuenga Peak, Griffith Park 511 Comment
  RSA400298  Linaria canadensis var. texana Blanche Trask 1901-03 s.n. Los Angeles Avalon, Catalina Island. Comment
  UCR166271  Lithophragma Scott D. White, Chet McGaugh 1995-5-9 2984 Los Angeles Transverse Range; Eastern Santa Susana Mtns, just west of San Gabriel Mtns: 'Sunshine Canyon' (name not shown on topo): west of San Fernando Road and Hwy I-5 Fwy, just SW of interchange with State Route 14. Sunshine Canyon Landfill property, site proposed for landfill expansion 488 Comment
  RSA468213  Lithophragma affine Elbert Benjamine 1929-4-28 177 Los Angeles Bouquet Canyon. Comment
  UC998921  Lithophragma affine P. O. Schallert 1944-4-20 Los Angeles Monrovia Canyon Comment
  RSA126707  Lithophragma affine subsp. mixtum H. J. Thompson 1959-4-19 1943 Los Angeles Mulholland Highway, W of Las Virgenes Road, Malibu Creek drainage. Santa Monica Mountains 274 Comment
  RSA468207  Lithophragma affine subsp. mixtum Freda Detmers 1929-4-13 s.n. Los Angeles Descanso Canyon, Santa Catalina Island. Comment
  SBBG125215  Lithophragma bolanderi A. Parikh, N. Gale 2010-6-23 3361 Los Angeles Upper Shortcut Cyn, 1.4 km S of St Hwy 2, 1.3 km NNW of W Fork San Gabriel River 1275 Comment
  RSA574337  Lithophragma bolanderi R. G. Swinney 1994-5-7 2839 Los Angeles Glendora Wilderness Park, jct of Lower Monroe Mtwy & Mystic Canyon Trail. 609 Comment
  POM255819  Lithophragma heterophyllum I. W. Clokey 1935-5-9 6668 Los Angeles San Dimas Canyon Comment
  POM97176  Lithophragma heterophyllum P. A. Munz 1925-3-18 8922 Los Angeles Newhall Grade. Comment
  RSA247362  Lithophragma heterophyllum G. D. Wallace 1966-3-25 213 Los Angeles Millard Canyon, N of Altadena. 457 Comment
  CHSC96554  Lithophragma tenellum L. P. Janeway 2006-6-8 8681 Los Angeles San Gabriel Mountains. Near Angeles Crest Hwy, 0.5 km west of Big Pines and Big Pines Hwy. 2108 Comment
  POM121838  Lobelia cardinalis var. pseudosplendens Marcus E. Jones 1924-9-10 s.n. Los Angeles San Gabriel Mountains: Swartout [Swarthout] valley Comment
  RSA0085305  Lobelia dunnii var. serrata R. G. Swinney 2010-8-26 13602 Los Angeles North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 720 Comment
  RSA648201  Lobularia maritima Dan Milojevich 1981-5-17 45 Los Angeles Santa Anita & Bryant Ave. El Monte. Comment
  RSA0089148  Logfia filaginoides R. G. Swinney 2010-3-24 12058 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  SBBG131744  Logfia gallica S. A. Junak 1999-4-23 SCa 852 Los Angeles plant stop [ridge rd E of Mt Torquemada Trail] 347 Comment
  UC1930102  Lolium multiflorum V. Soza, LeRoy Gross 2001-5-22 1238 Los Angeles Transverse Ranges; San Gabriel Mountains region; Morgan Fire 2000 area, between Morgan and Wildwood Canyons, WSW of Sycamore Flat. 648 Comment
  RSA13881  Lolium rigidum L. C. Wheeler 1933-6-24 1875 Los Angeles Sepulveda Blvd. at Los Angeles River, San Fernando Valley 198 Comment
  POM356970  Lolium temulentum Edith A. Purer, Freda Detmers 1931-3-25 s.n. Los Angeles Palos Verde Hills. Comment
  RSA133256  Lolium temulentum P. H. Raven 1959-5-3 14075 Los Angeles Santa Monica Mountains. Mulholland Drive near head of Franklin Canyon, (34?N; 118-119?W) 381 Comment
  UCR259268  Lomatium dasycarpum R. G. Swinney 2010-3-14 11901 Los Angeles San Gabriel Mountains, Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road 447 Comment
  SBBG59708  Lomatium dasycarpum subsp. dasycarpum R. Hoffmann 1931-4-28 Los Angeles lower Bouquet Cyn Comment
  RSA674720  Lomatium lucidum Scott D. White, P. De Vries 2000-5-18 7904 Los Angeles San Gabriel Mts: Southern foothills above Irwindale. Fish Creek cyn, from the mouth of the Canyon at CalMat quarry upstream to falls. 305 Comment
  UC1167715  Lomatium lucidum Peter H. Raven and H. L. Wedberg 1957-6-15 10910 Los Angeles 0.8 mi. n. of US 101A Latigo Canyon; Santa Monica Mts., Latigo Canyon Comment
  RSA599327  Lomatium mohavense subsp. longilobum Steve Boyd, Lauren Raz 1997-3-26 9355 Los Angeles Liebre Mountains region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 976 Comment
  UC1537172  Lomatium nevadense var. parishii Gordon H. True Jr. 1935-3-27 176 Los Angeles 5 mi. s.w. Palmdale 914 Comment
  UC21268  Lomatium utriculatum Samuel B. Parish June 1887 1944 Los Angeles Elizabeth Lake Comment
  RSA636110  Lonicera hispidula var. vacillans R. F. Thorne, D. Propst 1974-9-12 45099 Los Angeles Santa Catalina Island: Middle Ranch Canyon, along stream below Thompson Reservoir. 198 Comment
  SD181621  Lonicera interrupta Valerie Spza, LeRoy Gross 2000-6-13 1003 Los Angeles Southeast facing slope of Horse Canyon, above Horse Canyon Road. 1768 Comment
  UCR223613  Lonicera interrupta R. G. Swinney 2009-6-17 11216 Los Angeles Transverse Range; San Gabriel Mtns., Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  RSA455367  Lonicera subspicata var. denudata H. L. Bauer 1932-6-1 s.n. Los Angeles Topanga Canyon, Santa Monica Mountains. Comment
  RSA589334  Lotus argophyllus subsp. ornithopus T. S. Ross 1995-5-20 8595 Los Angeles San Clemente Island. Southwesterly-trending ridge ca. 1640 ft due S of Guds (888-ft) triangulation point. 145 Comment
  RSA660864  Lotus argophyllus var. argenteus Orlando Mistretta 1992-4-4 127 Los Angeles San Clemente Island. Comment
  JEPS22748  Lotus argophyllus var. argophyllus Rimo Bacigalupi with Reino Alava 1958-7-20 6400 Los Angeles Charlton Flat, close to Angeles Crest Highway (State Highway 2) San Gabriel Mountains, Angeles National Forest 1623 Comment
  UC80751  Lotus argophyllus var. argophyllus Katharine Brandegee May 1889 Los Angeles Santa Catalina Island Comment
  NY37286  Lotus dendroideus var. traskiae B. Trask 05 1905 288 Los Angeles This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA646114  Lotus grandiflorus var. grandiflorus Orlando Mistretta 1992-9-9 s.n. Los Angeles San Gabriel Mountains: ''Sold'' Peak. North Fork Management Unit; Tujunga Ranger District. Comment
  RSA0042309  Lotus hamatus Mark L. Hoefs, Steven A. Junak 2000-4-14 3075 Los Angeles Santa Catalina Island: Hillside about halfway between Airport Road and Goat Harbor. 469 Comment
  UCR213687  Lotus heermannii Justin M. Wood 2009-6-1 793 Los Angeles San Gabriel Mountains, Mill Creek Summit, roadside turnout on Angeles Forest Hwy, 0.75 NE of Mt. Gleason Rd. junction 1402 Comment
  RSA570196  Lotus humistratus T. S. Ross 1991-4-30 5034 Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash. 841 Comment
  RSA17983  Lotus procumbens var. procumbens P. A. Munz 1923-5-27 6872 Los Angeles Rock Creek 1296 Comment
  JEPS55921  Lotus salsuginosus F. W. Peirson 1918-6-4 94 Los Angeles hills e Rubio Canyon; San Gabriel Mts. 609 Comment
  SEINET12151341  Lotus scoparius H. M. Hall 1902-1 3094 Los Angeles San Francisquito Pass 457 Comment
  UCR216886  Lotus scoparius subsp. brevialatus R. G. Swinney 2009-2-20 10024 Los Angeles San Gabriel Valley/ San Gabriel Mtns. Foothills, mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel 177 Comment
  UCR273369  Lotus scoparius subsp. scoparius R. G. Swinney 2011-3-18 14161 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  RSA406461  Lotus strigosus Ora M. Clark 1929-3-30 1898 Los Angeles W. of Lancaster Comment
  RSA748854  Lotus strigosus R. G. Swinney 2008-5-8 8785 Los Angeles West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  POM9176  Lotus strigosus P. A. Munz 1920-4-21 3687 Los Angeles San Dimas Canyon. 457 Comment
  RSA406307  Lotus strigosus Geo. L. Moxley 1915-5-13 325 Los Angeles E. Ave. 54, near Arroyo Seco Los Angeles Comment
  JEPS55830  Lotus wrangelianus A. M. Ottley 1920-5-8 636 Los Angeles between Linda Vista Rd and Arroyo Seco; Pasadena Comment
  UCR189882  Lupinus R. G. Swinney 1998-7-27 6504 Los Angeles San Gabriel Mtns., Dry Lake, south of Sunset Peak at head of Dry Lake Canyon 1515 Comment
  UC2029992  Lupinus G. D. Wallace 1979-4-19 1678 Los Angeles Mojave Desert; West Mojave Desert region: Mojave Desert, W of Palmdale, N of Elizabeth Lake near north end of Munz Ranch Road. Comment
  SEINET2062551 Image available Lupinus albifrons var. eminens Norman C. Cooper 1945-5-1 2176 Los Angeles Tapia Park area, Santa Monica Mts. 304 Comment
  RSA718285  Lupinus andersonii R. G. Swinney, Dave Larson 1996-7-17 5135 Los Angeles San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1320 Comment
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May 3 2010
  CAS-BOT-BC196401  Lupinus arboreus C. B. Wolf 1931-6-25 2241 Los Angeles Along Beverly Blvd., west of Los Angeles Botanic Garden 60 Comment
  UCR270806  Lupinus bicolor R. G. Swinney 2010-6-1 13114 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
  UCR272626  Lupinus bicolor R. G. Swinney 2011-6-7 15052 Los Angeles San Gabriel Mountains, Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy. 2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek 1585 Comment
  UCR275283  Lupinus bicolor Jeremiah George 2012-3-1 s.n. Los Angeles South Coast, Entradero Park, West Torrance near Redondo Beach 23 Comment
  SFV4363  Lupinus bicolor D. B. Dunn 1941-3-22 860 Los Angeles San Fernando Valley Sepulveda Blvd near San Fernando Reservoir. Comment
  CATA469  Lupinus concinnus Sara L. Crockett, Steve Junak 1997-3-27 611 Los Angeles Santa Catalina Island: N slope of Little Harbor, directly above beach; ca. 50 m upslope 42 Comment
  UCR281618  Lupinus concinnus R. G. Swinney 2014-4-30 16288 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
  UCD107516  Lupinus concinnus P. B. Kennedy 1928-3-28 s.n. Los Angeles Avalon, Santa Catalina Island, Calif. Comment
  RSA654355  Lupinus elatus Valerie L. Soza, LeRoy Gross 2000-5-23 958 a Los Angeles East of Kelly Camp, W of Bighorn Peak, 0.7 miles from Icehouse Saddle along Ontario Peak Trail 2377 Comment
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May 3 2010
  RSA794750  Lupinus elatus Jane Tirrell, Graham Bothwell 2012-7-11 LS 0107 Los Angeles Open bench approx. 150 ft. south of California State Route 2, southeast of mile marker 67.7 2498 Comment
  UCR209926  Lupinus excubitus subsp. austromontanus R. G. Swinney 2008-7-15 9204 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  SEINET10484025  Lupinus excubitus subsp. austromontanus August J. Breitung 1953-5-16 Breitung 15120 Los Angeles Glendora mt. Rd, san gabriel mts. Comment
  CAS-BOT-BC216668  Lupinus excubitus subsp. hallii Alice M. Ottley 1920-5-6 606 Los Angeles Fish Canon [Canyon] 685 Comment
  RSA586983  Lupinus excubitus var. austromontanus Orlando Mistretta 1992-5-8 313 Los Angeles San Gabriel Mountains: Little Rock Creek, slopes E of Little Rock Creek Reservoir. 1159 Comment
  UCR273177  Lupinus excubitus var. hallii R. G. Swinney 2011-5-6 14608 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
  SEINET10485290  Lupinus excubitus var. hallii Unknown Anonymous s.n. Los Angeles Plants 2 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Pressed by howard brown. Hybridization by david b. Dunn. The numbers Are the field plant numbers of rsa. 1St # is female parent x 2nd # male Parent. () Parenthetic # is f1 plant number. Seeds from open field pollen Vector. Comment
  SEINET10907092  Lupinus excubitus var. hallii David B. Dunn 1956-1 Dunn RSA# 8292 x 6456(3) Los Angeles Plants 2 yrs. Old. Grown in field planting at racho santa ana botanical Garden. Hybridizations by david b. Dunn. The numbers are the field plant Numbers of rsa. 1St # is female parent x 2nd # male parent. () Parenthetic # Is mf plant no. Seeds from open field pollen. Comment
  SD111572  Lupinus excubitus var. johnstonii Wayne P. Armstrong 1982-6-12 Los Angeles Lookout Moutain. South East of firebreak ridge 1790 Comment
  SBBG45471  Lupinus formosus D. Emery 1955-4-28 Los Angeles rd to Big Pines from Hwy 138 Comment
  RSA0036524  Lupinus formosus var. formosus Daisie Huang 2007-5-28 07052802 Los Angeles Glendora Ridge Road. 1328 Comment
  RSA272154  Lupinus formosus var. formosus John F. Emmel 1974-4-25 533 Los Angeles Vogel Flat, Big Tujunga Canyon, near sw Base of San Gabreil Mts. 561 Comment
  RSA775909  Lupinus formosus var. formosus Orlando Mistretta, Christine Mistretta 2010-5-26 5215 Los Angeles Upper Mill Creek canyon drainage, S of Mill Creek Summit, along Southern California Edison transmission line corridor. 1311 Comment
  UCR271050  Lupinus formosus var. formosus R. G. Swinney 2011-6-6 15019 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  RSA413672  Lupinus hirsutissimus Bonnie C. Templeton 1939-4-26 s.n. Los Angeles Huntington Palisades, Santa Monica Mountains. Comment
  RSA515132  Lupinus hirsutissimus Aaron Liston, Orlando Mistretta, Loran Rieseberg 1989-4-28 795 -1 Los Angeles San Clemente Island, China Canyon, central branch, S end of island. Comment
  SBBG15492  Lupinus hirsutissimus W. G. Webb 1935-2-10 Los Angeles near Glenoaks Blvd, Glendale Comment
  SFV15549  Lupinus hirsutissimus R. K. Stachelek 1992-4-4 5 Los Angeles Approximately 0.2 miles from intersection of Balboa and Foothill, on north side of Foothill next to roadside. Comment
  LA104172  Lupinus latifolius Kei Nakai; T. Thomas, J. Dice, B. Gustaffson 1983-5-12 1044 Los Angeles Santa Monica Mountains, End of Hidden Valley Road 396 Comment
  RSA632423  Lupinus longifolius Valerie L. Soza, LeRoy Gross 1999-7-15 634 Los Angeles San Gabriel Mountains: Helispot off Mt. Wilson Trail, 2.7 miles from trailhead in Sierra Madre. . 822 Comment
  UC1980244  Lupinus longifolius Daisie Huang 2008-4-6 08040601 Los Angeles Deer Creek Rd, right off PCH. Malibu. Comment
  RSA0082832  Lupinus sparsiflorus R. G. Swinney 2010-5-19 12782 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  RSA414259  Lupinus sparsiflorus subsp. sparsiflorus Robert Gustafson 1978-5-2 925 Los Angeles Off the dirt road running through the southern part of Hungry Valley, northeast of the Lane Ranch, near the base of Freeman Canyon, about 4 miles south of Gorman 1006 Comment
  RSA414263  Lupinus sparsiflorus subsp. sparsiflorus Anstruther Davidson 1892-05 s.n. Los Angeles Los Angeles. Comment
  CATA2034  Lupinus succulentus Steven A. Junak, Keri Kirkland 1998-5-2 649 Los Angeles Santa Catalina Island: S of road to East Peak, on ridge SW of Peak 1245, ca. 0.9 air miles WNW of East Peak 243 Comment
  UC1129760  Lupinus succulentus R. St. John 1933-3-24 354 Los Angeles Aliso Canyon; Santa Susana Quad., Aliso Canyon Comment
  RSA414334  Lupinus succulentus Ora M. Clark 1929-3-3 1664 Los Angeles North pacific Beach Comment
  RSA187871  Lupinus truncatus Robert F. Thorne 1966-4-5 35865 Los Angeles Santa Catalina Island: above stream in Cottonwood Canyon 107 Comment
  UCR78134  Lupinus truncatus Wandalee Thompson 1964-4-11 10 Los Angeles San Gabriel Mtns., Liebre Mountains, Angeles National Forest, near Green Valley, San Francisquito Canyon 854 Comment
  RSA414379  Lupinus truncatus Elbert Benjamine 1929-3-31 132 Los Angeles Among chaparral, La Crescenta Comment
  OBI35607  Lycium brevipes Rebecca Cicoria 1981-5-18 28 Los Angeles Off Palos Verdes Dr S at Pt. Fermin, Rancho Palos Verdes Comment
  CAS-BOT-BC233479  Lycium californicum Alice Eastwood 1906-6-2 163 Los Angeles San Pedro Comment
  RSA428827  Lycium californicum F. R. Fosberg 1931-5-20 S 4926 Los Angeles Catalina Harbor, Santa Catalina Island. 5 Comment
  RSA428829  Lycium californicum F. H. Elmore 1939-2-18 397 Los Angeles San Clemente Island. Comment
  SBBG12669  Lycium californicum E. R. Blakley 1962-6-10 5216 Los Angeles Wilson Cove 9 Comment
  SFV21787  Lycium cooperi L. K. Grossnickle, K. Grossnickle 2010-5-2 s. n. Los Angeles Mojave Desert Antelope Valley. Palmdale, wash of Amargosa Creek at end of Whiteash Drive. 820 Comment
  SEINET10884637  Lycopersicon esculentum Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3760 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  RSA589777  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given, Gay 1994-8-3 8196 Los Angeles Santa Catalina Island. Upper Cherry Valley, W of the Isthmus. 128 Comment
  RSA589779  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given, Gay, Fone 1994-8-3 8200 Los Angeles Santa Catalina Island. Upper ''Little Geiger'' first blue-line drainage W of Cherry Canyon and Lion Head (un-nnamed on topo map). 128 Comment
  SBBG105390  Lyonothamnus floribundus var. aspleniifolius R. M. Beauchamp 1976-5-23 4154 Los Angeles S rim of Gray Cyn 411 Comment
  SBBG95709  Lyonothamnus floribundus var. floribundus M. B. Dunkle 1928-5-20 1962 Los Angeles head of Swain's (Swain) Cyn Comment
  VVC3233  Lythrum californicum Tim Thomas 1979-7-26 260 Los Angeles Transverse Range, Santa Monica Mountains, Cold Creek Canyon Preserve, Murphy Ranch spring 559 Comment
  UC75253  Lythrum californicum C. F. Baker 1903-7-20 3349 Los Angeles Pacific Coast, Claremont Claremont; Pacific Coast, Claremont Comment
  UCR275323  Lythrum hyssopifolia Jeremiah George 2011-6-5 s.n. Los Angeles South Coast, Torrance, behind (east of) Bishop Montgomery High School, south of Torrance Blvd. and west of Palos Verdes Blvd. 21 Comment
  RSA773861  Machaeranthera canescens R. G. Swinney 2009-8-25 11464 Los Angeles west summit of Table Mountain, NE of Big Pines. 2284 Comment
  UCR223607  Machaeranthera canescens R. G. Swinney 2009-7-29 11441 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCR149795  Madia sativa Scott D. White, Pam Devries 2004-6-14 10490 A Los Angeles Western Transverse Ranges, Eastern Santa Susana Mountains. West of the I-5 Freeway, c. 4 mi N of I-5 / SH-14 jtn and 6 mi south of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 518 Comment
  SFV22098  Maianthemum stellatum J. G. Tirrell, G. M. Bothwell 2011-7-28 LS37 Los Angeles San Gabriel Mountains About 0.3 miles above south side of Highway 2 near mile marker 67.86. 2435 Comment
  RSA636097  Maianthemum stellatum Louis C. Wheeler 1954-8-30 7059 Los Angeles San Gabriel Mountains: Buckhorn Campground. . Comment
  SBBG52886  Malacothamnus clementinus F. C. Boutin 1967-4-23 1654 Los Angeles Lemon Tank 304 Comment
  UC1871315  Malacothamnus davidsonii T. S. Ross, S. D. Boyd 1993-6-30 7387 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western SAN GABRIEL MTS.: near middle portion of Loop Canyon; San Fernando 7.5' USGS quad, R15W T3N, SW/4 SW/4 SE/4 SE/4 sect 14; ca 2245 feet elevation. 684 Comment
  UC527634  Malacothamnus davidsonii C. B. Wolf 1931-7-2 2264 Los Angeles 0.5 mi above bridge over Little Tujunga Wash, on rd from Sunland to San Fernando Little Tujunga Wash 335 Comment
  CAS-BOT-BC206205  Malacothamnus fasciculatus Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Isl. Comment
  CAS-BOT-BC206225  Malacothamnus fasciculatus Frank W. Peirson 1918-10-26 114 Los Angeles Big Dalton Canyon, San Gabriel Mts. 762 Comment
  CATA789  Malacothamnus fasciculatus Mark L. Hoefs, Robert Given 1991-6-12 1356 Los Angeles Santa Catalina Island: Near road above Salta Verde Beach 76 Comment
  UC56439  Malacothamnus fasciculatus var. fasciculatus H. P. Chandler 1902-6-3 2004 Los Angeles near Cahuenga Pk (Brush Canyon); Brush Canyon Comment
  CAS-BOT-BC206370  Malacothamnus fremontii Timothy S. Ross; Peter W. Fritsch; Steve Boyd; Orlando Mistretta 1990-6-22 3702 Los Angeles Eastern half of the ridge, directly N of Fenner Canyon, Pinyon Ridge - San Gabriel Mountains 1990 Comment
  CAS-BOT-BC345319  Malacothrix californica Ernest Braunton 1902-4-29 221 Los Angeles North Pomona Comment
  RSA746851  Malacothrix clevelandii Orlando Mistretta 1992-5-21 386 Los Angeles San Gabriel Mtns region: Right Star Mine, S of Acton. Comment
  UCR94702  Malacothrix coulteri A. C. Sanders, E. J. Lott 1993-5-6 13950 Los Angeles Western Mojave Desert, 12 miles north of Palmdale, Sierra Hwy at Ave 'G', to 0.1 mi. NW of intersection 706 Comment
  RSA597447  Malacothrix foliosa Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5241 Los Angeles San Clemente Island: Southeast end of island; first un-named canyon S of Snake Cactus Canyon (drainage beginning 1420 feet due W of Guds) 152 Comment
  RSA584983  Malacothrix glabrata Timothy S. Ross 1993-5-16 7162 Los Angeles Upper Monroe Road; ridgetop hillock on the divide between Persinger, Horse, and Little Dalton Canyons; ca 850-930 m NW of Horse Canyon Saddle. 1024 Comment
  CAS-BOT-BC347931  Malacothrix saxatilis var. tenuifolia Geo. B. Grant 1902-8-6 s.n. Los Angeles Avalon Comment
  RSA54052  Malacothrix saxatilis var. tenuifolia J. T. Howell 1948-7-2 24769 Los Angeles Palos Verde Hills. Comment
  SFV18075  Malacothrix saxatilis var. tenuifolia J. N. Hogue 1997-7-10 91 .2 Los Angeles Los Angeles, Eagle Rock. 152 Comment
  UC370910  Malacothrix saxatilis var. tenuifolia R. L. Pendleton 1909-7-2 1355 Los Angeles road e Avalon; Santa Catalina Island 9 Comment
  OBI35677  Malosma laurina Rebecca Cicoria 1982-9-4 80 Los Angeles Palos Verdes Peninsula: Upper Portuguese Canyon, south of Burma Rd., Rancho Palos Verdes. Comment
  RSA660897  Malosma laurina Ann Williams 1992-5-14 20 -92 Los Angeles End of Canyon Dr., .2 miles off Penn St. and 100 yds. E of Whittier College track. 152 Comment
  RSA570036  Malva parviflora Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4892 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity. 492 Comment
  RSA534011  Malva parviflora Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5105 Los Angeles San Clemente Island. 550 ft SSW of the 927 BM at the E end of the old airfield landing strip. 280 Comment
  CAS-BOT-BC8193  Malvastrum clementinum Philip Alexander Munz 1923-4-9 6684 Los Angeles San Clemente Island. Canyon running from Lemon Tank. Comment
  SEINET998505  Marah A. C. Sanders 2003-1 25776 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 (Azusa 7.5' Q) 520 Comment
  LA33772  Marah macrocarpa Henry J. Thompson; 1959-2-2 1841 Los Angeles Comment
  CHSC99445  Marah macrocarpa var. macrocarpa LeRoy Gross; Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 698 b Los Angeles Transverse Ranges: Verdugo Mountains Region: South side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. 823 Comment
  RSA586293  Marah macrocarpa var. macrocarpa Orlando Mistretta 1995-2-28 1526 Los Angeles San Gabriel Mountains, Carr Canyon. 1037 Comment
  RSA586339  Marah macrocarpa var. macrocarpa Orlando Mistretta 1995-3-17 1556 Los Angeles Northwest of Little Rock Reservoir, on Emma section of Little Rock Creek Management Unit 1066 Comment
  UCR129389  Marah macrocarpa var. major B. C. Templeton 1968-2-25 11394 Los Angeles Channel Islands, Santa Catalina Island, near the isthmus 76 Comment
  UCR265518  Matricaria discoidea Dan S. Cooper 2015-4-3 315- 16 Los Angeles Los Angeles Basin/Western Transverse Range, Griffith Park, Oak Canyon, above Travel Town, Los Angeles 180 Comment
  RSA533429  Matricaria matricarioides Timothy S. Ross 1991-4-21 4520 Los Angeles Whittier Hills (puente Hills, pro parte): Middle Turnbull Canyon drainage just SW of Old Water Tank. 220 Comment
  CAS-BOT-BC348268  Matricaria occidentalis Ernest C. Twisselmann 1964-5-7 9389 Los Angeles Mojave Desert. Avenue A, south of Rogers Lake, Edwards Air Force Base 614 Comment
  RSA144578  Meconella denticulata W. R. Ernst 1957-4-19 160 Los Angeles Highway 39. San Gabriel River West Fork Junction: 1/4 mi. S Comment
  RSA66765  Meconella denticulata F. W. Peirson 1920-3-28 36 Los Angeles Tujunga Canyon: small side canyon in lower Tujunga. 488 Comment
  SD181510  Medicago lupulina LeRoy Gross 2003-5-19 1026 Los Angeles Coastal Plains and Basins, San Fernando Valley Basin region, City of Sunland. Bluff south side of Big Tujunga Wash, weed in yard in housing tract called 'Sunhill Estates', growing out of crushed ornamental rock, in sunny open area. 366 Comment
  RSA403493  Melica imperfecta Albert J. Perkins 1920-4-27 s.n. Los Angeles Santa Anita Canyon near hermits Comment
  RSA623743  Melica imperfecta K. Scott 1921-2-8 s.n. Los Angeles College Hill Comment
  RSA87328  Melica stricta var. albicaulis F. W. Peirson 1923-5-25 3524 Los Angeles Along stream on south side of canyon of Rock Creek, north slope of San Gabriel Mountains. 1296 Comment
  SD31166  Melilotus albus Edith A. Purer 1931-2-21 Los Angeles Palos Verdes Hills, fields Comment
  CDA34300  Melilotus indicus M. O'Brien 2011-6-14 MOB 11 -9 Los Angeles Santa Monica Mountains; Tapia County Park. 152 Comment
  SBBG31479  Melilotus indicus R. F. Thorne 1966-4-4 35764 Los Angeles bluff SE of Ballast Pt and Catalina Harbor, isthmus 60 Comment
  RSA586658  Mentzelia albicaulis Orlando Mistretta 1995-6-1 1746 Los Angeles San Gabriel Mountains, Carr Canyon, near mouth of Canyon. 945 Comment
  RSA588042  Mentzelia dispersa Orlando Mistretta, T. S. Ross 1994-6-1 1288 Los Angeles San Gabriel Mountains, Santiago Canyon. Pacifico Mountain, near top of Santiago Canyon. 1905 Comment
  UCR126628  Mentzelia laevicaulis A. C. Sanders, Mark Elvin 2003-8-7 27176 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  CATA1540  Mentzelia micrantha Mark L. Hoefs, Steven A. Junak 1997-6-4 2767 Los Angeles Santa Catalina Island: End of road, past Empire Landing quarry 30 Comment
  UCR78072  Mentzelia micrantha David Charlton 1991-7-5 5501 Los Angeles San Gabriel Mtns., Lake Hughes Road, south of Castaic Lake, l mi. [NE] of Visitor Center 400 Comment
  RSA736154  Mentzelia micrantha Rosemarie Zimmermann 1961-6-8 140 Los Angeles Dalton Road, 1.5 mi. N. of Big Dalton Dam. Big Dalton Canyon. San Dimas Experimental Forest 610 Comment
  RSA503196  Mentzelia veatchiana Gary D. Wallace 1966-4-24 496 Los Angeles Along Hwy 138 just 1/2 mile south of where it joins Pearblossom Hwy. 9 miles east of Pearblossom. 762 Comment
  SD42007  Mentzelia veatchiana Darley F. Howe 1947-5-6 Los Angeles North face of San Gabriel Mountains. Comment
  UC1619925  Mentzelia veatchiana Barbara Ertter with L. Heckard, T. Sholars, J. Hickman, et al. 1988-5-23 1988 Los Angeles Pine Canyon Rd. along San Andreas fault on n. side of San Gabriel Mts. (Co. Rd. N2) (on n. side of rd.); San Gabriel Mts. Comment
  UCR223366  Mentzelia veatchiana R. G. Swinney 2009-5-20 10826 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  RSA190950  Mesembryanthemum crystallinum R. F. Thorne 1966-4-4 35783 Los Angeles Santa Catalina Island: Bird Rock, N of Isthmus Cove. 8 Comment
  UCR65226  Mesembryanthemum crystallinum F. R. Fosberg 1931-5-18 S- 04891 Los Angeles Channel Islands, Santa Catalina Island, Little Harbor 4 Comment
  RSA402622  Mesembryanthemum nodiflorum M. B. Dunkle 1939-4-2 7215 Los Angeles San Clemente Island. Pyramid Cove. Comment
  RSA004508B  Micropus californicus var. californicus Fay A. MacFadden 1931-04 3181 Los Angeles Verdugo Mountains: La Tuna Canyon 335 Comment
  IRVC26342  Microseris heterocarpa A. C. Sanders 2003-4-16 26021 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
  RSA188052  Microseris heterocarpa R. F. Thorne 1966-4-6 35935 Los Angeles Santa Catalina Island: about 1 mile W of Empire Landing 213 Comment
  RSA599287  Microseris lindleyi Steve Boyd, Lauren Raz 1997-3-31 9423 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
  UC65038  Microseris sylvatica S. B. Parish June, 1887 1901 Los Angeles Elizabeth Lake Comment
  UCSB23321  Microsteris gracilis Keefe, Joseph 1967-2-17 Los Angeles Hungry Valley Road; 1 mile south of U.S. Highway 99; southwest of Gorman 1158 Comment
  RSA777687  Mimulus androsaceus Orlando Mistretta, Christine Mistretta 2010-5-19 5104 Los Angeles Aliso Canyon; approximately 1.75 mile NW of the intersection of Aliso Cyn and the Angeles Forest Hwy. 1103 Comment
  LA210400  Mimulus aurantiacus Norman A. Cole; May 1964 357 .2 Los Angeles SANTA MONICA MOUNTAINS, 2.9 mi from Pacific Coast Hwy along Rambla Pacifico. 335 Comment
  RSA754236  Mimulus aurantiacus Ellen Mackey, Alexia Mackey 2006-6-29 NFWF- 1759 Los Angeles Turnbull Canyon, Turnbull Canyon Road 349 Comment
  RSA17139  Mimulus aurantiacus var. pubescens Carl B. Wolf 1936-4-24 7772 Los Angeles Santa Susana Pass, Comment
  RSA442645  Mimulus aurantiacus var. pubescens G. R. Johnstone 1930-6-22 s.n. Los Angeles Soledad Canyon near Ravenna. 762 Comment
  UCD122373  Mimulus aurantiacus var. pubescens Gordon Pilone 1961-3-3 109 Los Angeles Padua Hills, 100 yards above Spanish Restaurant. Mt. Range: San Gabriel. Drainage Area: Pacific Slope. 396 Comment
  UCR212795  Mimulus aurantiacus var. pubescens Ellen Mackey, Blake Whittington 2006-10-11 NFWF- 1792 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Watershed, [San Dimas Canyon], east side of San Dimas Canyon Road below dam 441 Comment
  UC885727  Mimulus aurantiacus var. puniceus L. W. Nuttall 1920-5-3 79 Los Angeles Golf Links Canyon Santa Catalina Island Comment
  POM219977  Mimulus aurantiacus var. puniceus F. R. Fosberg 1932-5-5 8105 Los Angeles n. [north of?] Avalon, Santa Catalina Island 40 Comment
  SFV3378  Mimulus brevipes M. L. Vincent 1962-3-30 159 Los Angeles Santa Monica Mountains Mulholland Highway, 2 miles west of Old Topanga Canyon Road. Roadside. 440 Comment
  RSA588860  Mimulus cardinalis Orlando Mistretta 1994-9-21 1496 Los Angeles San Gabriel Mtns., Santiago Canyon, At jct. of Forest Rd. 4N20 with Santiago Creek. 1280 Comment
  UC1211016  Mimulus cardinalis Huron H. Smith 1912-6-13 5100 Los Angeles Rock Springs Canyon Santa Catalina Island 67 Comment
  RSA0050045  Mimulus cardinalis Wendy Boes, Andrew Wheeler 2009-7-13 2009 -049 Los Angeles San Gabriel Mountains; Crystal Lake Recreation Area, Big Cienega Springs Forest Service RD 3N07.3 1981 Comment
  LA93600  Mimulus floribundus Walt J Uwate; 1974-1 55 Los Angeles Santa Monica Mountains, Topanga Canyon State Park, along Fire Rd. 30 between the windmill and the first tank S 380 Comment
  UCR270478  Mimulus floribundus R. G. Swinney 2011-6-30 15413 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA627570  Mimulus floribundus Sandy Leatherman, Brian Daniels 1998-7-1 27 Los Angeles San Gabriel Canyon. North of State Route 39 and east of Roberts Canyon. 305 Comment
  RSA799676  Mimulus guttatus Pam De Vries 2013-4-5 7820 Los Angeles Tehachapi Mountains/Western Transverse Range (Gorman Hills). About 1.5 air miles west of the Gorman offramp on the northbound I5, along Gorman Post Road, north side, roadside ditch. 1097 Comment
  RSA158279  Mimulus guttatus Peter H. Raven 1962-4-12 17327 Los Angeles San Clemente Island: Wilson Cove 76 Comment
  UC1018205  Mimulus guttatus J. Warren 1952-5-27 Los Angeles Taipa Park 121 Comment
  JEPS4688  Mimulus johnstonii Rimo Bacigalupi with G. Thomas Robbins and L. R. Heckard 1953-6-14 4191 Los Angeles upper slopes of s fork Little Rock Creek Canyon (higher n slopes of mts.); San Gabriel Mts., Angeles National Forest 1432 Comment
  RSA650615  Mimulus longiflorus subsp. longiflorus George H. Lewis 1975-6-29 s.n. Los Angeles Hall Beckley Canyon, ca. 1-1/4 miles north of Foothill Blvd. on Palm Drive, La Canada. Comment
  RSA594563  Mimulus pilosus Louis C. Wheeler 1967-7-30 10273 Los Angeles San Gabriel Mountains. All Trail Canyon, BM 3434 near Tom Lucas campground. 1006 Comment
  RSA748467  Mimulus pilosus R. G. Swinney, Cody Clarke 2001-8-22 8086 Los Angeles 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area. 2305 Comment
  UCR189965  Mimulus suksdorfii R. G. Swinney 1998-6-12 6957 Los Angeles San Gabriel Mtns., NW of Jackson Lake at Ball Flat, 0.7 mi. north of Big Pines Hwy on 4N16, Ball Flats Rd. 1890 Comment
  CDA1004  Mirabilis californica D. G. Kelch 1991-3-17 1310 Los Angeles Santa Catalina Is.; 1.5 km N of Avalon. 0 Comment
  SEINET3245862  Mirabilis laevis R. G. Swinney 2009-1 10164 Los Angeles San Gabriel Mtns. Foothils: Azusa, San Gabriel River at El Encanto Azusa River Wilderness Park. 296 Comment
  UCR210442  Mirabilis laevis R. G. Swinney 2008-12-6 9980 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon west of Roberts Canyon on north side of San Gabriel River channel 229 Comment
  SDSU8456  Mirabilis laevis var. crassifolia R. M. Beauchamp 1967-3-18 301 Los Angeles On dry slope west of dump below Lemon Tank., San Clemente Island, Ca. Comment
  UC72746  Mirabilis laevis var. crassifolia Miss E. D. Palmer Nov 1904 Los Angeles vicinity of Los Angeles Comment
  UCR191683  Mirabilis multiflora A. C. Sanders 2008-4-18 34963 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, west side of canyon toward mouth 995 Comment
  UC284649 Image available Monardella breweri subsp. glandulifera I. M. Johnston 1918-9-1 2139 Los Angeles Brown's Flats, San Antonio Mountains 1310 Comment
  CAS-BOT-BC219994  Monardella breweri subsp. lanceolata H. E. Hasse 1893-5-25 s.n. Los Angeles Acton Comment
  CAS-BOT-BC220135  Monardella exilis Robert F. Thorne; G. Wallace 1973-4-24 43450 Los Angeles Antelope Valley, Western Mojave Desert: Lovejoy Buttes, N of Llano 914 Comment
  SEINET7042270  Monardella lanceolata A. G. Vestal 1938-7-3 s.n. Los Angeles Barley Flats, San Gabriel Mountains, Angeles National Forest. Chilao Flat quadrangle. UTM Zone 11, 401100mE, 379337mN. Ca 5000'. Comment
  UCR190801  Monardella linoides subsp. stricta R. G. Swinney 1999-7-5 7540 Los Angeles San Gabriel Mtns., Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines Hwy at a point 0.5 mi. west of junction of Hwy 2 1866 Comment
  UCR275023  Monolopia lanceolata Michael Honer, Rachel Woodard 2006-4-18 2203 Los Angeles Tehachapi Mountains area, 3 miles [east] of Quail Lake, 100 m north of Hwy 138, along ranch road paralleling Hwy 138 945 Comment
  CAS-BOT-BC275320  Muhlenbergia microsperma Tim Ross; Orlando Mistretta 1993-5-27 7330 Los Angeles W end of the San Gabriel Mountains: Ridge dropping westward from Loop Canyon Road (at 3060 ft) toward Wilson Canyon 670 Comment
  SD69354  Muhlenbergia microsperma Robert F. Thorne, P. C. Everett 1965-5-11 34654 Los Angeles Dry slope above Cottonwood Dam in Cottonwood Canyon, Santa Catalina Island Comment
  RSA0088147  Muilla maritima R. G. Swinney 2010-5-4 12517 Los Angeles North of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park. 457 Comment
  RSA377607  Muilla maritima George B. Grant 1905-4-20 803 Los Angeles Pasadena. Comment
  UC1083342  Muilla maritima Herbert L. Mason 1927-6-11 3740 Los Angeles Mount Wilson San Gabriel Mountains 1524 Comment
  UC57609  Myrica californica J. H. Barber 1897-5-22 156 Los Angeles Santa Monica Forestry Station Comment
  UC1147893  Nassella lepida Robert F. Thorne 1966-4-6 35931 Los Angeles slopes about 1 mi w Empire Landing; Santa Catalina Island 213 Comment
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Nov 13 2013
  UCD87808  Nassella lepida A. A. Beetle 1946-4-20 4232 Los Angeles Palos Verdes Hills, near Los Angeles. Comment
  RSA584121  Nasturtium officinale Timothy S. Ross, S. D. Boyd, Peter W. Fritsch 1990-6-11 2987 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon 1255 Comment
  UCR243029  Nasturtium officinale R. G. Swinney 2009-8-6 11540 Los Angeles Transverse Range; San Gabriel Mountains, San Antonio Canyon, below hogsback, 2.4 mi. upstream from Shinn Rd. on canyon bottom 1073 Comment
  SBBG13816  Navarretia atractyloides M. A. Piehl 1962-10-3 62477 Los Angeles Santa Catalina Island Comment
  RSA469839  Navarretia hamata subsp. hamata Anonymous 1889-06 s.n. Los Angeles River. [Possibly Los Angeles County] Comment
  SFV20780  Navarretia pubescens T. Sagar 2007-5-29 s. n. Los Angeles Santa Monica Mountains Malibu Springs Trail from Decker School Road, northwest of Nicholas Flat. 475 Comment
  UCD120216  Nemophila menziesii Daryl Koutnik; John Cuti 1978-4-19 378 Los Angeles Verdugo Mountains on fireroad from Stough Canyon to La Crescenta. 548 Comment
  RSA421310  Nemophila menziesii var. integrifolia Elbert Benjamine 1929-3-31 86 Los Angeles Mint Canyon. Comment
  POM184665  Nemophila menziesii var. integrifolia Joseph A. Ewan 1932-5-29 7188 Los Angeles Ridge east of Mount Gleason 1524 Comment
  POM214383  Nemophila menziesii var. integrifolia Louis C. Wheeler 1932-3-19 526 Los Angeles Head Mandeville Canyon, Santa Monica Mts. 457 Comment
  UCSB72228  Nemophila menziesii var. integrifolia Gross, LeRoy; Hogshead, Bill; Soza, Valerie 2003-5-29 Los Angeles Transverse Ranges; Verdugo Mountains region; W end of mtns.; at jct. of Vendugo motorway and Wildwood Fire Road; (Burbank 7.5 Quad.; T2N R14W S26, SW1/4) UTM Zone; 3787689N 0378361E 564 Comment
  RSA421374  Nemophila menziesii var. menziesii Louis C. Wheeler 1932-03 526 Los Angeles Head Mandeville Canyon, Santa Monica Mts 457 Comment
  RSA0081131  Nemophila spatulata R. G. Swinney 2010-6-1 13102 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
  RSA0107437  Nemophila spatulata R. G. Swinney 2011-5-19 14774 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 miles SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., south side of Coldwater Cyn. creek. 1073 Comment
  UC2046897  Nephrolepis cordifolia R. E. Riefner Jr. 2015-12-13 15 -468 Los Angeles City of Malibu, Eastern Malibu, N side Pacific Coast Highway at Carbon Mesa Road W of Carbon Canyon Road. Comment
  UCR61066  Nerium oleander R. G. Swinney 1989-7-14 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, in Big Dalton Canyon and its tributaries. Harrow Canyon at the third debris basin 442 Comment
  RSA730175  Nicotiana attenuata R. G. Swinney 1998-9-4 6886 Los Angeles San Gabriel Mtns.; dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi east of Hwy 2 on 3N06. 2241 Comment
  RSA0031850  Nicotiana glauca Douglas A. Springer 1981-2-26 24 Los Angeles Cal Poly Pomona University campus. NE end parking lot J level 4, and 3 miles NW of University Drive. Comment
  UC1211144  Nicotiana glauca Huron H. Smith 1912-5-29 5016 Los Angeles Santa Catalina Island; Summit Road 304 Comment
  SEINET10696839  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3971 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  RSA507554  Oenothera californica subsp. californica Louis C. Wheeler 1967-8-8 10378 Los Angeles Angeles National Forest: Loomis Ranch, Alder Creek 1311 Comment
  SBBG133175  Oenothera californica subsp. californica B. C. Templeton 1967-8-1 10220 Los Angeles half-mile N of Roundtop; San Gabriel Mtns 1890 Comment
  SD185275  Oenothera deltoides S. J. Myers 2005-5-11 Los Angeles Western Mojave Desert; northeast of Lancaster, southwest of the intersection of Ave. H and 10th Street. 719 Comment
  SFV2524  Oenothera deltoides subsp. cognata T. L. Kasbeer 1963-11-6 s. n. Los Angeles Mojave Desert Quartz Hill along 50th Street West at Avenue L, 9 miles southwest of Lancaster. 740 Comment
  UCR162517  Oenothera elata subsp. hirsutissima Anuja Parikh, Nathan Gale 2004-6-2 2021 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 3) in vicinity of confluence of Castaic Creek 290 Comment
  RSA0127007  Oenothera elata subsp. hookeri Louis C. Wheeler 1967-7-15 10011 Los Angeles Angeles National Forest. Mt. Waterman. Comment
  RSA177871  Oligomeris linifolia Robert F. Thorne, Percy C. Everett 1965-5-11 34576 Los Angeles Santa Catalina Island. N side of N beach of Little Harbor. 15 Comment
  RSA187760  Oligomeris linifolia Robert F. Thorne 1966-4-4 35753 Los Angeles Santa Catalina Island. SW-facing bluff SE of Ballast Point and Catalina Harbor, Isthmus 91 Comment
  RSA0097542  Opuntia Marc A. Baker, Michelle Cloud-Hughes 2015-7-11 18410 Los Angeles Claremont, 100m south of the SE base of Indian Hill. 409 Comment
  RSA0097544  Opuntia Marc A. Baker, Michelle Cloud-Hughes 2015-7-11 18408 Los Angeles Claremont, 300m south of the SE base of Indian Hill. 402 Comment
  UCSB24419  Opuntia basilaris Rieser, R. 1966-5-13 Los Angeles Mint Canyon Campground; on west side of State 6; 8.5 miles north of intersection of State 6 and Soledad Canyon Rd. 640 Comment
  POM311523  Opuntia ficus-indica Lyman Benson 1963-6-20 16341 Los Angeles Pomona, Walnut Ave. 1/4 mile from Puddingdtone Ave just north of Carrion House. 274 Comment
  RSA604541  Opuntia ficus-indica L. C. Wheeler 1968-11-9 s.n. Los Angeles San Gabriel Mountains: 0.2 miles inside mouth of San Gabriel Canyon. 232 Comment
  CAS-BOT-BC56847  Opuntia littoralis L. R. Abrams; I. L. Wiggins 1931-7-6 384 Los Angeles Field redacted by CAS, contact the data manager for more information Comment
  OBI70995  Orobanche Larry Kelly, David J. Keil 1989-4-21 380 Los Angeles San Gabriel Mts, 2-3 mi SE of Valeyrmo along Ft Tejon rd Comment
  RSA0084144  Orobanche californica subsp. feudgei Albert J. Perkins 1919-5-30 s.n. Los Angeles Big Rock Creek. Comment
  RSA584587  Orobanche fasciculata Tim S. Ross, Steve D. Boyd 1993-5-23 7222 Los Angeles Lower, easterly ridge of Red Mtn, on northerly slope 140-220 m SE of the saddle between Ruby and Clearwater Canyons. 951 Comment
  UCR227371  Orobanche fasciculata Orlando Mistretta, Christine Mistretta 2008-5-14 3081 Los Angeles Transverse Range; San Gabriel Mountains, Southern California Edison transmission line corridor (Segment 6, structure 73 & 74 per TRTP Survey 2008), near head of Shortcut Canyon (W Fork San Gabriel River) 1463 Comment
  SD111599  Orobanche valida W. P. Armstrong 1982-6-26 Los Angeles Trail up South Fork of Big Rock Creek; 2.0 km southwest of South Fork Campground. 1700 Comment
  RSA278881  Orobanche valida subsp. valida W. P. Armstrong 1979-7-12 s.n. Los Angeles Trail up S Fork of Big Rock Creek, approximately 2.4 km southwest of South Fork Campground. 1707 Comment
  RSA0020707  Orobanche valida subsp. valida Orlando Mistretta 1995-6-30 1866 Los Angeles San Gabriel Mountains: Big Rock Creek. Orobanche valida survey site B. 1494 Comment
  UC213217  Osmorhiza berteroi I. M. Johnston 1918-7-6 2084 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains 2133 Comment
  RSA286655  Osmorhiza brachypoda R. F. Thorne, Larry E. DeBuhr 1974-6-28 44779 Los Angeles San Gabriel Mts., Angeles National Forest: Falling Springs on Soldier Creek 1173 Comment
  UCR147794  Osmorhiza chilensis Valerie Soza, Laura Moore 2000-6-14 1009 Los Angeles San Gabriel Mountains, Spring at Big Cienega, c. 0.6 mi NE of Deer Flat Campground along S Hawkins Road (FSR 3N07.2) 1982 Comment
  UCSB33684  Oxalis corniculata Filice, Diane 1965-3-2 Los Angeles Devonshire Lane, Altadena, San Gabriel Foothills 396 Comment
  RSA392907  Oxytheca parishii var. parishii F. R. Fosberg, Joseph A. Ewan 1931-12-8 s.n. Los Angeles Buckhorn Trail, Islip-Williamson divide, between Bear Creek and Big Rock Creek, San Gabriel Mountains. 2000 Comment
  RSA629689  Oxytheca parishii var. parishii Scott D. White, Dave Bramlet 1998-8-11 7050 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mile closed section of Highway 39 from ca. 1.6 mile W of junction Crystal Lake access road to junction Highway 2. 1707 Comment
  UCR276993  Oxytheca parishii var. parishii R. G. Swinney 2010-9-30 13915 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
  UCR213689  Oxytheca trilobata Justin M. Wood 2009-6-1 791 Los Angeles San Gabriel Mountains, Mill Creek Summit, roadside turnout on Angeles Forest Hwy, 0.75 NE of Mt. Gleason Rd. junction 1402 Comment
  UC85200  Oxytheca trilobata K. Brandegee May 1889 Los Angeles South Side Comment
  CAS-BOT-BC121172  Paeonia californica M. E. Jones 1882-5-3 2615 Los Angeles Pasadena Comment
  RSA434235  Paeonia californica Fay A. MacFadden 1931-3-3 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  SEINET6045448  Paeonia californica Louis C. Wheeler Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  CAS-BOT-BC274181  Pappostipa speciosa Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-22 3731 Los Angeles San Gabriel Mountains. Pinyon Ridge: Western half of the ridge, between upper Little Rock Creek and the San Andreas Rift Zone 1950 Comment
  POM367108  Parapholis incurva Gary D. Wallace 1979-5-15 1842 Los Angeles LA Arboretum; growing on the greenhouse in a crack, north of headhouse Comment
  SBBG36277  Parietaria hespera var. californica S. A. Junak with K. Kirkland 1998-5-2 SCa 652 Los Angeles near top of coastal bluffs, ca. 1 air mi W of East Pk at end of ridge SW of Pk 1245 228 Comment
  RSA692174  Parietaria hespera var. hespera Scott D. White 2003-5-20 9316 Los Angeles Northern Chino hills: Diamond Bar. Hills and canyons within gated community called The Country, east of Diamond Bar Blvd. Steep unnamed canyons draining southward into Tonner Canyon. 244 Comment
  RSA714986  Parietaria hespera var. hespera A. C. Sanders 2003-5-22 26823 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
  UCD108117  Parkinsonia aculeata J. H. Barber 1896-10-25 38 Los Angeles Santa Monica Forestry Station. Comment
  LA105058  Paspalum dilatatum Barry A. Prigge; 1988-7-3 8208 Los Angeles Santa Monica Mountains, Calabasas, ca 0.4 mi E of jtn of Mulholland Hwy and Old Topanga Rd, S of E-end of Calabasas High School track 313 Comment
  SD186142  Pectocarya anisocarpa A. C. Sanders, Andy Thompson 2003-4-15 26015 Los Angeles Newhall Ranch, south of Magic Mountain theme park. 351 Comment
  UCR281636  Pectocarya linearis subsp. ferocula R. G. Swinney 2014-5-8 16458 A 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
  POM305845  Pectocarya linearis subsp. ferocula Henry J. Ramsey, Henry J. Ramsey 1940-3-4 1095 Los Angeles Foothill Blvd. West of San Gabriel Bridge. Comment
  IRVC29581  Pectocarya recurvata A. C. Sanders 2003-4-29 26180 Los Angeles Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. Western San Gabriel Mtns. 396 Comment
  UCR197777  Pectocarya setosa Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 18 Los Angeles Transverse Ranges; San Gabriel Mountains, off Big Pines Hwy (Road N) on the north side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside 1444 Comment
  RSA0056384  Pectocarya setosa James R. Shevock 1972-4-25 1591 Los Angeles Sierra Highway, 5 miles W. of Palmdale. 967 Comment
  RSA724661  Pedicularis densiflora K. Dobry 1992-4-14 d- 349 Los Angeles Camp Shalom. West Santa Monica Mts along Arroyo Sequit. 5 mi No of Pacific Coast Hwy. Comment
  LA200079  Pellaea andromedifolia Peter H. Raven; 1959-2-23 13800 Los Angeles SANTA MONICA MOUNTAINS, 0.9 mi S of jtn of Carlisle Road with Decker Road. 426 Comment
  UC284218  Pellaea andromedifolia P. A. Munz 1923-4-8 6634 Los Angeles east coast San Clemente Isl Comment
  UC42647  Pellaea andromedifolia W. H. Brewer 1860-12-5 37 Los Angeles Los Angeles Comment
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Sep 7 2009
  RSA668168  Pellaea andromedifolia Don Jillson 1961-2-5 s.n. Los Angeles Scholl Canyon, Santa Monica Mountains Comment
  SEINET11713872  Pellaea mucronata W. R. Hamilton 1901-1 s.n. Los Angeles near Long Beach Comment
  RSA450613  Pennisetum setaceum A. C. Sanders 1987-12-4 7578 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  RSA670032  Pennisetum setaceum Joseph M. Keefe 2001-3-13 31089 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, North: 34 deg 07' 42.6'' West: 118 deg 11' 30.6''. 256 Comment
  NY583855  Penstemon centranthifolius F. A. MacFadden 05 1933 10997 Los Angeles Tejunga Wash, off Radford Street, Roscoe Comment
  UCR259562  Penstemon grinnellii R. G. Swinney 2010-9-7 13698 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  SBBG66578  Penstemon grinnellii var. grinnellii R. Hoffmann 1929-5-19 Los Angeles border of Big Rock Crk Comment
  SBBG45676  Penstemon grinnellii var. scrophularioides Leota Davidson 1966-5-14 275 Los Angeles near first animal water trough; Whitaker Peak dirt road, about 0.5 mi W of Hwy 99 Comment
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Oct 29 2006
  UCR124784  Penstemon heterophyllus B. C. Templeton, H. J. Andrews 1938-6-22 1690 Los Angeles San Gabriel Mtns., Mint Canyon near the crest 854 Comment
  RSA0098618  Penstemon labrosus R. G. Swinney 2011-9-27 15717 Los Angeles San Gabriel Mountains: Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2354 Comment
  RSA0091332  Penstemon rostriflorus R. G. Swinney 2011-8-17 15630 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  RSA332051  Penstemon rostriflorus Wayne E. Sawyer 1981-6-29 74 Los Angeles San Gabriel Mtns., Angeles National Forest: CA Hwy. 2 between Dawson Saddle and junction of CA Hwy. 39, 1.6 mi. from Dawson Saddle. 2302 Comment
  RSA712715  Penstemon spectabilis A. C. Sanders 2003-3-14 25764 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd., north edge of 210 freeway east of the San Gabriel River channel. 159 Comment
  UCR273401  Penstemon spectabilis subsp. subviscosus R. G. Swinney 2011-4-26 14492 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  SD112411  Pentagramma triangularis Darley F. Howe 1915-3-1 29 Los Angeles San Gabriel Mountains, San Dimas Canyon Comment
  LA94192  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-6 1654 Los Angeles SANTA MONICA MOUNTAINS, Corral Canyon, ca 2 mi from canyon mouth. 304 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
  SBBG38807  Pentagramma triangularis subsp. triangularis M. B. Dunkle 1939-4-4 7244 Los Angeles Chenetti Cyn Comment
  CAS-BOT-BC355976  Perityle emoryi Mrs. C. E. Miller 1918-6-10 s.n. Los Angeles The Isthmus, Santa Catalina Island Comment
  SBBG127993  Perityle emoryi M. L. Hoefs, S. A. Junak, K. Kirkland 1998-4-4 2839 Los Angeles bluff SE of Rippers Cove 6 Comment
  UC90638  Perityle emoryi T. S. Brandegee May 1890 Los Angeles Santa Catalina Island Comment
  RSA226043  Petalonyx thurberi subsp. thurberi Robert F. Thorne, C. W. Tilforth 1971-6-17 39897 Los Angeles N slope of San Gabriel Mountains: near junction of Bee Canyon with Santa Clara River valley, 1.3 mi. E of junction of Antelope Valley Freeway with Soledad Canyon Road along latter. 549 Comment
  RSA668149  Petalonyx thurberi subsp. thurberi Ian Swift 2001-7-8 253 Los Angeles Bee Canyon, 0.5 km north of Soledad Canyon. 549 Comment
  UCR162503  Petalonyx thurberi subsp. thurberi Anuja Parikh, Nathan Gale 2004-9-10 2096 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 3) in vicinity of confluence of Castaic Creek 290 Comment
  SD45361  Phacelia austromontana Lincoln Constance, Frank Peirson 1941-6-25 2855 Los Angeles San Gabriel Mts. north side of Vincent Gulch 2133 Comment
  UC1260170  Phacelia austromontana Robert F. Thorne and Larry DeBuhr 1974-6-28 44746 Los Angeles Lily Springs area San Gabriel Mts., Angeles National Forest, Mt. Hawkins, S. F (on n slope of mt., drainage of creek) 2438 Comment
  LA85581  Phacelia brachyloba Elizabeth McClintock; 1945-5-1 sn Los Angeles Santa Monica Mountains, Dry Canyon-Cold Creek Road Comment
  RSA0106747  Phacelia brachyloba R. G. Swinney 2011-6-14 15145 Los Angeles San Gabriel Mountains: upper Charlton Flat Campground., 0.53 air-mile SSW of the junction of Angeles Crest Hwy & Charlton Flat entrance road. 1646 Comment
  UCSC000901  Phacelia brachyloba Peter Kamb 1948-7-13 s.n. Los Angeles burned patches in chaparral Big Tujunga Canyon, Bryant Ganyon (Big Tujunga Canyon at mouth of Bryant Ganyon, South side of canyon) - San Gabriel 549 Comment
  CATA1291  Phacelia cicutaria var. hispida Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2380 Los Angeles Santa Catalina Island: Parsons' Landing 3 Comment
  LA38795  Phacelia cicutaria var. hispida Henry J. Thompson; 1959-5-24 1993 Los Angeles Santa Monica Mountains, Tuna Canyon, 0.7 mi N of Coast Hwy 91 Comment
  RSA210959  Phacelia cicutaria var. hispida Robert F. Thorne 1963-5-5 32311 -a Los Angeles Upper part of Cobal Canyon, foothills of San Gabriel Mts., ca. 4 miles N of Claremont. 518 Comment
  RSA607003  Phacelia cicutaria var. hispida Leota Brice 1930-6-2 s.n. Los Angeles San Gabriel Canyon. Comment
  UCR126579  Phacelia cicutaria var. hispida A. C. Sanders 2003-4-17 26067 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
  SBBG29808  Phacelia cryptantha F. W. Peirson 1928-6-2 7942 Los Angeles trail up S Fk of Rock Crk 1676 Comment
  SBBG126051  Phacelia cryptantha J. M. Wood 2010-5-10 1566 Los Angeles Little Rock Crk, downstream of Little Rock Reservoir, within 0.25 mi of the dam; San Gabriel Mtns 966 Comment
  RSA279109  Phacelia distans Robert F. Thorne 1971-3-18 41502 Los Angeles Cobal Canyon, c. 3 miles N of Claremont. 503 Comment
  RSA587756  Phacelia distans Tim S. Ross 1991-4-27 4621 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (and hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line. 1183 Comment
  RSA618680  Phacelia distans Louis C. Wheeler 1967-5-18 9624 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  RSA703906  Phacelia distans Gary D. Wallace, Ann Hiller 1983-5-18 2048 Los Angeles Dirt road W of junction with Chesboro Road on Mt. Emma Rd. at 47th St. E. Gypsum area further along road. 945 Comment
  RSA748907  Phacelia distans R. G. Swinney 2008-5-2 8742 Los Angeles Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  UCR192952  Phacelia distans Dan S. Cooper 2008-3-25 s.n. Los Angeles Los Angeles Basin, 300 m north of end of Catalina Ave., Whittier 111 Comment
  UCR276813  Phacelia distans R. G. Swinney 2010-5-21 12889 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
  UCR95547  Phacelia distans L. C. Wheeler 1967-5-12 9423 Los Angeles San Gabriel Mtns., Hunt Canyon, 3 mi. east of Vincent 1067 Comment
  RSA308650  Phacelia distans David Armacost 1963-4-28 165 Los Angeles Thompson Wash, north end of Indian Hill Blvd. 442 Comment
  RSA0061139  Phacelia fremontii LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6844 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA710381  Phacelia fremontii LeRoy Gross 2005-5-3 2193 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  RSA11017  Phacelia grandiflora Carl B. Wolf 1928-4-1 1611 Los Angeles Santa Susanna Pass, 0.5 miles from summit. 457 Comment
  RSA678204  Phacelia grandiflora Valerie L. Soza, LeRoy Gross 2001-5-14 1212 Los Angeles Santa Anita 1999 Fire area, above Santa Anita Canyon, ca. 0.7 mile west of the Santa Anita Dam. 762 Comment
  UCR12039  Phacelia grandiflora Coleta A. Lawler 1971-6-1 285 Los Angeles Western Transverse Range; Santa Monica Mtns., on Piuma Road, off Hwy 23, 1.6 mi NW of junction with Scheuren Road 518 Comment
  UCR223609  Phacelia hastata R. G. Swinney 2009-7-29 11439 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  RSA725875  Phacelia imbricata subsp. imbricata R. G. Swinney 1998-5-10 6051 Los Angeles Glendora, c. 1 mile north of Sierra Madre Ave. on Garcia Trail 524 Comment
  RSA507997  Phacelia longipes Steve Boyd 1988-4-28 2252 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  SBBG54428  Phacelia longipes L. R. Abrams 1902-7-12 2711 Los Angeles Coldwater Cyn, San Antonio Mtns Comment
  UC1375364  Phacelia lyonii C. Davidson 1971-5-8 1532 Los Angeles White's Landing Catalina Island Comment
  LA38566  Phacelia ramosissima A. H. Lange; 1951-4-7 sn Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  CAS-BOT-BC159103  Phacelia ramosissima var. latifolia John Thomas Howell 1928-6-10 3869 Los Angeles Monrovia Canyon, San Gabriel Mts. Comment
  CHSC35454  Phacelia ramosissima var. latifolia James Henrickson 1979-5-23 18180 Los Angeles Ca 7 air miles N of Newhall in Dry Canyon; S of Dry Canyon Reservoir, on floor of canyon along drainage. 411 Comment
  LA38546  Phacelia tanacetifolia Carl Epling; 1926-5-18 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  CATA797  Phalaris aquatica Mark L. Hoefs, Robert Given 1991-6-12 1366 Los Angeles Santa Catalina Island: Near road above Salta Verde Beach 304 Comment
  RSA594559  Phleum pratense F. R. Fosberg 1931-8-13 798 Los Angeles Big Cienega, Pine Flats, N Fork San Gabriel River. 2000 Comment
  UC73642  Phlox gracilis Geo. B. Grant Jun 1900 784 Los Angeles Lincoln Park Comment
  RSA355598  Phoenix canariensis Robert Gustafson 1981-7-15 2337 Los Angeles Ballona Wetlands, Area 2. Comment
  RSA595024  Phoenix canariensis Steve Boyd, Lauren Raz 1996-10-8 8987 Los Angeles Liebre Mountains region, Bouquet Canyon ca. 1.7 miles south of junction with Forest Service Road 6N08. 561 Comment
  RSA747044  Pholistoma auritum R. G. Swinney 2008-4-16 8673 Los Angeles San Dimas, Spring Canyon, north end between east and west forks of canyon. 393 Comment
  RSA527638  Pholistoma racemosum Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4394 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  RSA592821  Phoradendron bolleanum var. densum Steve D. Boyd 1996-4-24 8661 Los Angeles Liebre Mountains, northwestern end of the range on the ridgetop and upper slopes of the southern flank of Apple Canyon. 1067 Comment
  SEINET6057581  Phoradendron densum Unknown 1996-10-14 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  UC848879  Phoradendron macrophyllum Marcus E. Jones, A. M. 1882-2-27 Los Angeles Pasadena Comment
  UCR124628  Phoradendron macrophyllum I. W. Clokey, B. C. Templeton 1929-1 4449 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  POM180305  Phoradendron villosum Louis C. Wheeler 1932-4-10 610 Los Angeles San Gabriel Mountains: Gleason Canyon at Aliso Canyon Road. 915 Comment
  RSA188352  Phyllospadix scouleri Robert F. Thorne 1966-5-31 36443 Los Angeles Santa Catalina Island, washed up in wrack on beach but growing abundantly on S side of Little Harbor in shallow water, Comment
  RSA177760  Phyllospadix torreyi Robert F. Thorne, Percy C. Everett 1965-5-11 34595 Los Angeles Santa Catalina Island. N side of N cove of Little Harbor 5 Comment
  UCR205740  Physalis philadelphica A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36988 Los Angeles San Gabriel Valley, San Gabriel River channel between Lower Azusa Rd. and the I-605 crossing, southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 110 Comment
  LA201731  Pickeringia montana subsp. montana Arthur C. Gibson; 2001-5-22 4821 Los Angeles Santa Monica Mountains, Sadie Road off Saddle Peak Road Comment
  UC1129871  Pickeringia montana var. montana P. L. Johannsen 1934-1-11 221 Los Angeles Saddle Peak Calabasas Quadrangle Comment
  RSA0048515  Pinus halepensis Robin J. Tausch 1963-2-21 s.n. Los Angeles Pierce College Campus, Woodland Hills. 243 Comment
  RSA800795  Pinus jeffreyi Jane Tirrell 2012-8-20 LS 0153 Los Angeles South side of California State Route 2 approx. 1.5 miles west of Dawson Saddle; 100 meters east of mile marker 67.86. 2314 Comment
  CAS-BOT-BC78753  Pinus lambertiana Geo. B. Grant 1897-12-29 s.n. Los Angeles on northern slope of Mt. Wilson Comment
  UCSC001191  Pinus lambertiana Peter Kamb 1947-9-28 739 Los Angeles ridge west of Mt. Hawkins Mt. Hawkins - San Gabriel Mts. 2438 Comment
  UC215354  Pinus monophylla Geo. B. Grant 1901-1-1 ex. 989 Los Angeles Mt. Lowe Mt. Lowe (rocky places in the mountains) Comment
  SBBG56395  Pinus sabiniana R. Hoffmann 1927-9-21 Los Angeles Sandberg's Comment
  UC4593  Piperia cooperi Harley P. Chandler 1897-5-11 Los Angeles Claremont Comment
  SBBG98464  Piptatherum miliaceum T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5049 Los Angeles ca. 650 ft SE of the air terminal, new airfield, N end of island 64 Comment
  CATA2199  Pittosporum tobira Sara L. Crockett, Michael Daligdig 1996-11-4 29 Los Angeles Santa Catalina Island: Casino point and walkway 9 Comment
  RSA639273  Plagiobothrys arizonicus R. F. Thorne 1973-5-11 43519 Los Angeles San Gabriel Mts.: Dry ridge N of Shoemaker Canyon between Mile High and Valyermo 1341 Comment
  UCR186576  Plagiobothrys arizonicus A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32216 Los Angeles Tehachapi Mtns. Foothills, hills immediately NW of Quail Lake, vicinity of Benchmark 3562/Quail 1098 Comment
  RSA595688  Plagiobothrys arizonicus L. C. Wheeler 1967-5-8 9336 b Los Angeles San Gabriel Mts [Liebre Mtns]between Bouquet Junction and Bonelli Ranch. 396 Comment
  SEINET6058801  Plagiobothrys arizonicus Unknown 1996-4-25 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  POM11629  Plagiobothrys canescens var. catalinensis George B. Grant 1901-4-9 s.n. Los Angeles Avalon, Santa Catalina Island Comment
  POM368939  Plagiobothrys canescens var. catalinensis F. R. Fosberg 1931-3-25 4379 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island. 100 Comment
  SBBG126027  Plagiobothrys canescens var. catalinensis A. Parikh, N. Gale 2010-5-11 3154 Los Angeles 1.5 km S of Hwy 138 near intersection of 130th St W and Ave E, 0.1 km E of power lines 787 Comment
  RSA616155  Plagiobothrys collinus var. fulvescens Valerie L. Soza 1998-5-3 91 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, along southern edge of pHake Lake. 411 Comment
  OBI70480  Plagiobothrys leptocladus David J. Keil 1992-4-24 s.n. Los Angeles Outskirts of Lancaster along Ave. 1 700 Comment
  POM368890  Plagiobothrys nothofulvus Sam Tyson 1943-4-22 s.n. Los Angeles Big Dalton Canyon 396 Comment
  POM368910  Plagiobothrys nothofulvus Thekla Mohr 1897-02 s.n. Los Angeles San Gabriel Comment
  RSA177842  Plantago coronopus Robert F. Thorne, Percy C. Everett 1965-5-11 34662 Los Angeles Santa Catalina Island: Picnic Ground. 427 Comment
  RSA401968A  Plantago erecta F. R. Fosberg 1931-5-14 S- 4862 Los Angeles Above Ranch, Middle Ranch Canyon, Santa Catalina Island. 200 Comment
  UC56865  Plantago erecta H. M. Hall 1902-5-11 3265 Los Angeles Sierra Santa Monica Comment
  UCR108742  Plantago indica Scott D. White, Pam DeVries 1998-4-19 6283 Los Angeles City of Irwindale, Santa Fe Flood Control Basin (on the San Gabriel River) 152 Comment
  LA212300  Plantago major E. E. Gripp; 1951-7-28 s.n. Los Angeles Winetka near River. Comment
  SD66882  Plantago ovata R. Mitchel Beauchamp 1967-3-19 329 Los Angeles San Clemente Island, justbehind the beach at West Cove. Comment
  SBBG19218  Plantago ovata var. insularis M. A. Piehl 1963-12-7 631040 Los Angeles opposite Pyramid Head on SE tip of island 21 Comment
  SD197849  Plantago subnuda A. C. Sanders, T. B. Salvato 2009-5-20 36872 Los Angeles San Gabriel Valley: Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Boulevard (Highway 19) and west of Santa Anita Avenue. 66 Comment
  RSA229106  Platanthera leucostachys Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38892 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
  CAS-BOT-BC93191  Platanus racemosa Hasse; A. Davidson M. D. 1906-6-4 1486 Los Angeles Big Rock Creek. Comment
  SD41971  Platystemon californicus Darley F. Howe 1947-5-5 1541 Los Angeles Highway between Palmdale and Littlerock. Comment
  RSA751418  Plecostachys serpyllifolia R. E. Riefner Jr. 2009-6-9 09 -108 Los Angeles City of Malibu, ca. 0.2 mi E of La Piedra State Beach. 3 Comment
  CDA34950  Plecostachys serpyllifolia R. E. Riefner Jr. 2009-6-9 09 -113 Los Angeles Malibu; ca. 0.25 mi west of La Piedra State Beach. Comment
  UC1070065  Pluchea sericea A. D. Gifford 1935-2-7 426 Los Angeles Mouth of Elizabeth Lake Canyon Tejon Quad. 396 Comment
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Jun 9 2014
  RSA177746  Poa annua R. F. Thorne, P. Everett 1965-5-11 34663 Los Angeles Santa Catalina Island: Picnic Ground. 427 Comment
  RSA733573  Poa annua R. G. Swinney 1998-7-30 6578 Los Angeles San Gabriel Mtns.: tributary of Cow Canyon at Fallen Leaf Spring, c. 2.4 mi. SW of Cow Cyn. Saddle on Glendora Ridge Rd. 1338 Comment
  UC205629  Poa annua I. Johnston 1916-12-29 37 Los Angeles Claremont Comment
  RSA92371  Poa annua F. W. Peirson 1922-7-6 4201 Los Angeles Big Pines Camp 2088 Comment
  RSA596061  Poa secunda L. C. Wheeler 1967-5-8 9357 Los Angeles San Gabriel Mountains [Liebre Mtns]; Northeast foothills. 412 Comment
  RSA91515  Poa secunda F. W. Peirson 1918-04 1550 Los Angeles Arroyo Seco above Devil's Gate, West of Pasadena Comment
  SBBG56795  Poa secunda subsp. secunda R. Hoffmann 1929-4-26 Los Angeles 5 mi W of Castaic Comment
  UCD90724  Poa secunda subsp. secunda J. E. Coke 1933-5-1 s.n. Los Angeles Antelope Valley. Comment
  SEINET13387060 Image available Polemoniaceae R. G. Swinney 2011-1 15500 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
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Sep 13 2018
  RSA0087232  Polycarpon tetraphyllum R. G. Swinney 2010-4-23 12354 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  UCR11363  Polycarpon tetraphyllum O. F. Clarke 1968-9-14 s.n. Los Angeles Los Angeles, 2921 S Sepulveda Blvd, near the interchange of the Santa Monica (I-10) and the San Diego (405) Fwy 39 Comment
  RSA460041  Polygala cornuta var. fishiae Wm. Martin 1971-8-5 s.n. Los Angeles Stunt Canyon, Santa Monica Mts. Comment
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May 8 2014
  UCR242045  Polygonum argyrocoleon Dan S. Cooper 2012-7-24 712- 31 Los Angeles Western Transverse Range; Santa Monica Mountains, Encinal Canyon Rd. near Malibu Country Club 537 Comment
  UC64891  Polygonum aviculare subsp. aviculare Geo. B. Grant 1904-7-2 6312 Los Angeles Pasadena Comment
  RSA607580  Polygonum aviculare subsp. aviculare Louis C. Wheeler 1973-6-8 s.n. Los Angeles Los Angeles: SE of Alameda St. and San Diego Fwy, between Sepulveda and 233rd St. [L. A. Harbor Dept., Classification Yard, E of Domiguez Flood Control Channel.]. Comment
  CAS-BOT-BC414164  Polygonum aviculare subsp. buxiforme Grant 1906-9-1 7172 Los Angeles Santa Catalina Isl. Comment
  SEINET11931562  Polygonum douglasii R. F. Thorne, Tilforth, C. W.; Nilsson, S. 1972-1 42180 Los Angeles San Gabriel Mts, Angeles National Forest: dry margin of Big Meadow, Big Pines 2088 Comment
  UCR232373  Polygonum ramosissimum subsp. ramosissimum Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-20 8031 Los Angeles Mojave Desert, Antelope Valley, along west side of Sierra Highway, near Amargosa Creek drainage, south of Avenue E and north of Avenue F 703 Comment
  CAS-BOT-BC71908  Polypodium californicum Geo. B. Grant 1902-6-1 1026 Los Angeles Sierra Madre Mts. Comment
  UC749019  Polypodium californicum Louis C. Wheeler 1933-5-1 1678 Los Angeles Rustic Canyon; Santa Monica Mts. 60 Comment
  UCSB10639  Polypodium californicum Lloyd, Robert 1960-03 Los Angeles 500 yards up Little Dalton Canyon from Glendora Mtn. Road; San Gabriel Mtn range Comment
  RSA689877  Polypodium californicum Anonymous s.n. Los Angeles Santa Monica Mountains Comment
  RSA689879  Polypodium californicum Geo L. Moxley 733 Los Angeles On road from Avalon to Pebbly Beach, Catalina Island Comment
  UCR190274  Polystichum imbricans R. G. Swinney 1998-8-1 6618 Los Angeles San Gabriel Mtns., Vincent Gulch, c. 2.5 miles ESE of the summit of Mt. Baden-Powell, c. 0.6 mi. above confluence with San Gabriel River 1427 Comment
  RSA702912  Polystichum imbricans subsp. curtum Scott D. White, Michael Honer 2004-6-30 10537 Los Angeles Mt. Baldy (town). West fork of San Antonio Creek within and just above uppermost residential neighborhood. 1341 Comment
  UC1063680  Polystichum imbricans subsp. curtum Jerome S. Horton 1936-5-26 345 Los Angeles trail n of Brown's Flat; San Dimas Experimental Forest, Cucamonga Quadrangle Comment
  POM307805  Populus balsamifera subsp. trichocarpa Henry J. Ramsey, Henry J. Ramsey 1938-1-22 2755 Los Angeles Eaton Canyon Park, Altadena. Comment
  UCR193940  Populus nigra A. C. Sanders 2008-7-10 35719 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  SEINET10965539  Portulacaria afra Jon Ricketson, Heidi H. Schmidt 1992-10-22 Ricketson 4869 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Garden, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  UCR223340  Potentilla glandulosa R. G. Swinney 2009-5-20 10840 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  RSA454134  Prunus ilicifolia subsp. ilicifolia L. E. Hoffman 1929-4-13 s.n. Los Angeles Trail Canyon, Angeles National Forest Comment
  UC557776  Prunus ilicifolia subsp. lyonii Nell Murbarger 1936-5-1 203 Los Angeles San Clemente Island, on e and w sides San Clemente Island Comment
  LA211150  Prunus ilicifolia subsp. lyonii Arthur C. Gibson; Tony Valois 2008-5-5 5365 Los Angeles SANTA MONICA MOUNTAINS, Malibu Lagoon, Malibu. Comment
  RSA188496  Prunus virginiana var. demissa Robert F. Thorne, John Olmsted 1965-8-26 35420 Los Angeles San Gabriel Mountains, Angeles National Forest: swampy area along Prairie Fork of San Gabriel River. 1585 Comment
  RSA549500  Prunus virginiana var. demissa Tim S. Ross, Steve D. Boyd 1990-6-18 3486 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  UC1128481  Prunus virginiana var. demissa A. E. Wieslander 1928-4-17 20 Los Angeles near Vincent (Angeles National Forest); Angeles National Forest 1219 Comment
  RSA0041747  Prunus virginiana var. demissa Tim S. Ross 1990-8-17 3180 Los Angeles San Gabriel Mountains: S side of Prairie Fork, in the vicinity of Columbine Spring. 2183 Comment
  CAS-BOT-BC356372  Pseudognaphalium beneolens I. M. Johnston 1918-9-1 2142 Los Angeles San Antonio Mountains. Brown's Flats 1310 Comment
  UC1118551  Pseudognaphalium beneolens J. Horton 1938-9-28 514 Los Angeles Tanbark Flats Pomona Quad., Tanbark Flats 822 Comment
  SBBG42163  Pseudognaphalium biolettii R. Moran 1941-2-19 595 Los Angeles Middle Ranch 181 Comment
  CATA889  Pseudognaphalium biolettii Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-31 1703 Los Angeles Santa Catalina Island: Side canyon of Middle Canyon, across the road from large oak tree 237 Comment
  OBI55615  Pseudognaphalium biolettii F. C. Boutin 1967-4-23 1699 Los Angeles San Clemente Island: W side of island, along coast NW of Eel Point Comment
  RSA527763  Pseudognaphalium biolettii Steve Boyd, L. Arnseth 1990-4-8 4328 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  RSA535545  Pseudognaphalium biolettii Timothy S. Ross, Annette Ross 1991-9-7 5950 Los Angeles Near Mulholland Highway x Yerba Buena Road; Triufno Pass 556 Comment
  RSA756462  Pseudognaphalium biolettii Orlando Mistretta, Christine Mistretta 2008-4-19 2499 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, Structure 115 per TRTP Survey 2008), vicinity of Van Tassel Canyon. 581 Comment
  SBBG109000  Pseudognaphalium californicum S. A. Junak 1996-5-20 SCl 518 Los Angeles bluffs at S end of Mosquito Cove 12 Comment
  SBBG59441  Pseudognaphalium californicum S. A. Junak with K. Kirkland 1998-5-2 SCa 650 Los Angeles S of rd to East Pk, on ridge SW of Pk 1245, ca. 0.9 air mi WNW of East Pk 243 Comment
  OBI35616  Pseudognaphalium californicum Rebecca Cicoria 1981-4-24 9 Los Angeles Along upper Sepulveda Cyn, Rolling Hills Comment
  SBBG131905  Pseudognaphalium californicum S. A. Junak 2000-6-30 SCa 1359 Los Angeles just W of summit of Mt Torquemada and Triangulation Point "well 2" 402 Comment
  SFV15331  Pseudognaphalium leucocephalum J. C. Dittes, D. Stolp 1990-3-10 41 Los Angeles San Gabriel Mountains Streambed of Big Tujunga River, 0.5 miles upstream of the flood control reservoir. 732 Comment
  SEINET8060944 Image available Pseudotsuga macrocarpa P. E. Rothrock Nov 2014 1050 Los Angeles Collected at Mt. Lone. 1524 Comment
  JEPS85663  Psoralea John Thomas Howell 1928-5-4 3772 Los Angeles Monrovia Canyon; San Gabriel Mts. Comment
  UCSB69227  Pteridium aquilinum Gross, LeRoy; Larson, Steve; Soza, Valerie 2001-5-31 Los Angeles Los Angeles Basin: Vedugo Mountains Region: Southeast side. Dead Horse Canyon 335 Comment
  LA94225  Pteridium aquilinum var. pubescens Lawrence L. Kiefer; 1962-9-22 362 Los Angeles SANTA MONICA MOUNTAINS, Zuma Canyon, ca 1 mi from Hwy 1. 60 Comment
  RSA674320  Pteridium aquilinum var. pubescens LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 722 Los Angeles South side; Off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned in Summer-Fall of 2002. 613 Comment
  UC450860  Pteridium aquilinum var. pubescens Fay A. MacFadden 1931-4-10 2606 Los Angeles near dam Tejunga Canyon Comment
  CAS-BOT-BC421201  Pterostegia drymarioides Marcus E. Jones 1882-2-27 s.n. Los Angeles Pasadena Comment
  RSA0039642  Pterostegia drymarioides R. G. Swinney 2010-5-29 13412 Los Angeles San Gabriel Mountains: junction of 'W. Fork' May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 Comment
  UCR258578  Pterostegia drymarioides R. G. Swinney 2010-4-23 12366 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  RSA392913  Pterostegia drymarioides Martha Hilend 1928-4-18 198 Los Angeles Griffith Park. Comment
  RSA526586  Pterostegia drymarioides Tim S. Ross 1991-3-24 4294 Los Angeles Whittier Hills (Puente Hills, pro parte). 313 Comment
  RSA401593B  Pycnanthemum californicum Geo. L. Moxley 1915-9-6 449 Los Angeles Spanish canyon, NE from Monrovia. 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
  UC848120  Quercus I. W. Clokey 1930-9-11 5327 Los Angeles Laurel St., South Pasadnea South Pasadena Comment
  NY248648  Quercus X grandidentata J. A. Ewan 1934-12-27 8487 Los Angeles 2 mi. above A.T. & S.F. tracks at mouth of sawpit Canyon (i.e. Monrovia C.), San Gabriel Mts. 228.6 Comment
  HSC8090  Quercus agrifolia C. E. Fellows 1965-8-22 118 Los Angeles Big Tujunga Canyon, Stonyvale Rd. across from La Paloma bridge 762 Comment
  UC1922335  Quercus agrifolia Gary Kovnat with LeRoy Gross 2004-3-20 49 Los Angeles Transverse Ranges; San Gabriel Mountains region: Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow. Comment
  RSA657359  Quercus agrifolia var. agrifolia L. Yamanaka 1979-6-5 105 Los Angeles 150 meters west of Glendale College Cafeteria located on corner of Verdugo Blvd. and Mountain Ave. Comment
  RSA657363  Quercus agrifolia var. agrifolia Joseph M. Keefe 2001-1-19 30945 Los Angeles Verdugo Mountains: Southeast face of The Eagle Rock, Eagle Rock District, Los Angeles. 305 Comment
  LA200039  Quercus berberidifolia A. M. Johnson; 1934-5-4 4460 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Behind tunnel, right side of road. Comment
  RSA138240  Quercus berberidifolia Peter H. Raven 1959-3-8 13838 Los Angeles Mulholland Dr., 5 miles west of Topanga Canyon 366 Comment
  SD239768  Quercus berberidifolia Dan S. Cooper 2011-3-28 311 22 Los Angeles Industry Hills, S of Temple Ave., La Puente. 177 Comment
  UCR126577  Quercus berberidifolia A. C. Sanders 2003-4-17 26075 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
  UCR177729  Quercus berberidifolia LeRoy Gross 2000-10-28 303 A Los Angeles Los Angeles Basin region; Verdugo Mtns., Verdugo Mountains: Brand lateral trail behind the Brand Park Library, ridge west of Idlewood Canyon, where Grandview Ave. and Mountain St. meet in city of Glendale. Following fire break up to main crest (to Beaudry fire road) 366 Comment
  LA30777  Quercus chrysolepis Jo Ann W. Flock; 1958-12-20 14 Los Angeles Angeles National Forest, Upper Shake Public Camp, Sawmill Mt 1219 Comment
  RSA488016  Quercus chrysolepis Mark Hoefs 1974-10-3 589 Los Angeles Santa Catalina Island: Upper Fern Canyon -ridge between Mt. Orizaba & Mt. Banning. 518 Comment
  RSA597386  Quercus chrysolepis Tim S. Ross 1990-6-18 3504 Los Angeles Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages. 1744 Comment
  CAS-BOT-BC86400  Quercus dumosa Rev. J. C. Nevin 1904-1-1 s.n. Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC86402  Quercus dumosa S. Y. Parnay s.n. Los Angeles Henninger's Flats Comment
  OBI74757  Quercus dumosa K. Dobry 1991-3-23 d 123 Los Angeles 415 Stunt rd. Santa Monica Mts. Upper Cold Creek Canyon Comment
  UCD45861  Quercus dumosa Bonnie C. Templeton 1929-12-15 1447 Los Angeles Location: Arroyo Seco, near camp Switgers, Los Angeles County. 900 Comment
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Jan 9 2012
  POM271868  Quercus durata var. gabrielensis Lyman Benson 1947-1-16 12280 Los Angeles Lightpost 51, El Pariso Dr. Ganesha Hills, Pomona 305 Comment
  RSA476762  Quercus durata var. gabrielensis L. E. Hoffman 1931-11-9 s.n. Los Angeles Millards Canyon. Comment
  RSA652305  Quercus durata var. gabrielensis Matt Bogdanoff 1981-5-25 27 Los Angeles Glendora Mtn. Rd., 6.7 mi N of junction with Sierra Madre Ave., N of Glendora. 762 Comment
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Jul 18 2014
  UCR213772  Quercus durata var. gabrielensis Scott D. White, Justin M. Wood 2009-5-6 12683 Los Angeles San Gabriel Mountains, San Gabriel River - West Fork, large fill slope on the south side of Cogswell Reservoir 915 Comment
  POM285663  Quercus engelmannii Lyman Benson 1951-10-15 14804 Los Angeles 1400 Rancho Road, Arcadia. Santa Anita Oaks. 244 Comment
  UCD46021  Quercus engelmannii Lyman Benson 1948-11-9 13551 Los Angeles Hills at W side of mouth of Monrovia Cyn., Oak Woodland and Chaparral sandy soil south slope, 1,000'. 304 Comment
  UCD56595  Quercus garryana var. semota J. M. Tucker 1938-7-18 117 Los Angeles Bouquet Canyon. At side of road to Pelona Lookout. Sierra Pelona Ridge. 1219 Comment
  IRVC28737  Quercus lobata A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Julie M. Vanderwier 2002-8-8 25564 Los Angeles north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur Santa Clara River Valley 274 Comment
  UCR187131  Quercus lobata A. C. Sanders 2006-5-16 32360 Los Angeles Transverse Range; Liebre Mtns. Region, south of Hwy 138, 1.5 mi. ESE of Quail Lake in the San Andreas Rift Zone, NE of the Old Ridge Route 1037 Comment
  SBBG26455  Quercus tomentella R. F. Thorne with M. Z. Thorne 1966-5-31 36432 Los Angeles ridge running from S end of Mt Orizaba, S side of S fork of Fern Cyn Comment
  POM2115  Quercus wislizeni var. frutescens I. M. Johnston 1916-11-27 s.n. Los Angeles Above Claremont. 1220 Comment
  SD80043  Quercus wislizeni var. frutescens Jeannette L. Huber 1970-8-2 1094 Los Angeles Chilau, 1.0 mile north of Chilau Fire Station. 1524 Comment
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Oct 16 2014
  JEPS37567  Rafinesquia californica F. W. Peirson 1918-6-4 251 Los Angeles foothills e Rubio Canyon (San Gabriel Mts., near Altadena); San Gabriel Mts. 609 Comment
  CAS-BOT-BC362478  Rafinesquia californica Geo. B. Grant 1904-6-2 s.n. Los Angeles Pasadena Comment
  RSA590601  Rafinesquia californica Timothy S. Ross, Walter Appleby 1993-5-13 7113 Los Angeles Western San Gabriel Mountains, steep northerly slope 850 meters NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon 854 Comment
  CAS-BOT-BC379001  Ranunculus aquatilis var. diffusus P. A. Munz 1922-5-16 5601 Los Angeles San Dimas, sluggish brook east of Puddingstone Canyon 366 Comment
  JEPS55027  Ranunculus californicus W. L. Jepson 1928-4-27 12644 Los Angeles Liberty Canyon Santa Monica Mts. Comment
  PASA2629  Ranunculus californicus Ruth M. Evans 1931-3-15 Los Angeles Lone Hill, Glendora Comment
  POM303769  Ranunculus californicus Lyman Benson 1948-4-25 12863 Los Angeles First summit southwest of Pomona, Brea Canyon Rd. San Jose Hills, mt. range; Pacific slope drainage area, Oak Woodland; north slope. 305 Comment
  POM99239  Ranunculus hebecarpus Marcus E. Jones 1882-5-3 s.n. Los Angeles Pasadena. Comment
  CAS-BOT-BC74281  Raphanus sativus John I. Carlson 1915-6-13 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  RSA653620  Raphanus sativus S. Koukol, R. Koukol 1998-5-3 31 Los Angeles La Verne, Foothill Blvd., 125 m W. of Wheeler Avenue 344 Comment
  UCSB59666  Raphanus sativus Benson, Lyman 1945-5-21 Los Angeles 1300 feet Pacific Slope Drainage 304 Comment
  POM220016  Reseda odorata F. R. Fosberg 1932-6-5 8135 Los Angeles Mouth of Big Wash Can. Avalon, Santa Catalina Island. 20 Comment
  RSA652633  Rhamnus californica subsp. californica R. Carlston 1961-5-11 s.n. Los Angeles Big Dalton Canyon, N. of Glendora. Comment
  LA52149  Rhamnus crocea Carl Epling; March 1938 sn Los Angeles 30 Comment
  PASA425  Rhamnus crocea var. ilicifolia Annetta Carter 1929-1-9 Los Angeles Base of Sierra Madre Mts. Comment
  HSC18409  Rhamnus ilicifolia C. E. Fellows 1965-4-13 44 Los Angeles 3.1 mi. SW of Old Topanga Rd on Mullholland Hwy., Santa Monica Mtns. Comment
  RSA567267  Rhamnus ilicifolia Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3856 Los Angeles Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon. 1338 Comment
  RSA596142  Rhamnus ilicifolia Tim S. Ross, S. D. Boyd 1995-6-28 8645 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. 707 Comment
  RSA628705  Rhamnus ilicifolia R. S. Woglum 1942-5-20 3335 Los Angeles Transverse Ranges: Angeles Crest Highway; San Gabriel Mountains; Angeles National Forest. . Comment
  SBBG26915  Rhamnus ilicifolia W. R. Dudley, F. H. Lamb 1896-6-7 Los Angeles Kings Cyn, Antelope Valley Comment
  SBBG27507  Rhamnus ilicifolia C. B. Wolf 1928-5-11 Los Angeles just above the place where the Los Angeles Aqueduct crosses the hwy Comment
  UCR155618  Rhamnus ilicifolia A. C. Sanders 2005-5-11 30147 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Canyons 655 Comment
  POM158336  Rhamnus pirifolia M. B. Dunkle 1928-3-4 1716 Los Angeles Orizaba Canyon, Santa Catalina Island. 244 Comment
  UC1211038  Rhamnus pirifolia Huron H. Smith 1912-5-29 5026 Los Angeles Santa Catalina Island 396 Comment
  UCR167508  Rhamnus tomentella subsp. cuspidata Scott D. White, A. Warniment 2005-9-9 11222 Los Angeles Tehachapi Mtns, Oso Canyon, c. 1-2 air miles north of Quail Lake 1067 Comment
  CAS-BOT-BC200707  Rhus aromatica Louis C. Wheeler 1932-4-9 578 Los Angeles Kings Canyon near Elizabeth Lake 1036 Comment
  RSA0092146  Rhus aromatica R. G. Swinney 2011-5-26 14844 Los Angeles San Gabriel Mountains: 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1061 Comment
  SD253352  Rhus aromatica R. G. Swinney 2011-5-31 14924 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1 - 0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek (Chilao Flat 7.5'Q) 1096 Comment
  CAS-BOT-BC170440  Rhus integrifolia Samuel B. Parish 1887-6-1 s.n. Los Angeles San Fernando Plains Comment
  CAS-BOT-BC170457  Rhus integrifolia Alice Eastwood 1906-6-5 239 Los Angeles Roscoe Comment
  JEPS66245  Rhus integrifolia Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco; Los Angeles Comment
  OBI69360  Rhus integrifolia John Knapp, Denise Knapp 2002-11-27 5 Los Angeles Santa Catalina Island. Lovers Cove, 0.10 of a mi S of stop sign at the Mole. 6 Comment
  RSA533491  Rhus integrifolia T. S. Ross 1991-3-9 4183 Los Angeles Whittier Hills (Puente Hills, pro parte): head of Oak Cyn, SE side of ridgetop knoll. 369 Comment
  UCR125784  Rhus integrifolia A. C. Sanders 2003-5-26 26835 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-BC167950  Rhus ovata Alice Eastwood 1919-6-20 9052 Los Angeles Mt. Wilson Comment
  RSA386381  Rhus ovata Helen M. Oster 1924-3-22 s.n. Los Angeles Between Vermont & Western Comment
  UCSB22913  Rhus ovata McMinn, H. 1931-7-5 Los Angeles Ridge route, Tehachapi Mountains Comment
  CAS-BOT-BC167961  Rhus ovata Rimo Bacigalupi 1925-4-19 1178 Los Angeles 38 mi. north of Saugus on Ridge Route Comment
  RSA614155  Rhus trilobata J. Gural, Erin Hewgley 1997-4-27 36 Los Angeles Bernard Field Station of the Claremont Colleges, located on the NW corner of Mills Ave. and Foothill Blvd. SW of pHake lake, S of Vernal Pool 412 Comment
  UC1870323  Rhynchelytrum repens LeRoy Gross, Naomi Fraga, Bill Hogshead 2002-3-21 499 Los Angeles [Transverse Ranges; Verdugo Mountains region]; Southwest side; South of La Tuna Canyon Road, at end of Morning Glow Way. Slope on west side of Chandler Canyon 449 Comment
  CAS-BOT-BC92438  Ribes aureum var. gracillimum Louis C. Wheeler 1973-4-7 s.n. Los Angeles Lopez Canyon. 579 Comment
  RSA549783  Ribes aureum var. gracillimum Wandalee Thompson 1964-4-11 4 Los Angeles Liebre Mtns.: San Francisquito Canyon Road at Powerhouse No. 2, San Francisquito Canyon, Angeles National Forest. 457 Comment
  SBBG125799  Ribes aureum var. gracillimum L. Ballard 2013-3-12 Los Angeles Towsley Cyn, Santa Susana Mtns 426 Comment
  RSA651623  Ribes californicum var. hesperium Bert Harris 1949-1-25 s.n. Los Angeles Found 4 miles from [Highway] 66, in San Dimas canyon. 457 Comment
  UCR11994  Ribes californicum var. hesperium Harlan Lewis, Carl Epling 1941-1-28 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Dr., 2 mi west of Sepulveda Canyon 549 Comment
  RSA476141  Ribes cereum var. cereum C. Epling 1931-5-16 s.n. Los Angeles San Gabriel Mountains. Big Pines Camp. Comment
  UCR272863  Ribes cereum var. cereum R. G. Swinney 2011-7-29 15568 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  RSA476172  Ribes indecorum Louis C. Wheeler 1932-1-31 440 Los Angeles foothills San Gabriel Mts. 1 mi. E Palmer Canyon. 609 Comment
  UCSB31596  Ribes lasianthum Griesel, Wesley 1962-5-24 Los Angeles Dawson Saddle; State Hwy. #2; San Gabriel Mts 2438 Comment
  SBBG39529  Ribes malvaceum L. S. Rose 1969-12-30 69118 Los Angeles Franklin Cyn 152 Comment
  SEINET13276838 Image available Ribes malvaceum var. viridifolium R. G. Swinney 2011-1 14191 Los Angeles San Gabriel Mountains: mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam (Glendora 7.5' Q.) (T1N R9W S28) 509 Comment
  SD181488  Ribes nevadense Orlando Mistretta 1993-6-2 860 Los Angeles San Gabriel Mountains, near Vincent Gap, southslope of Vincent Gulch. On stabilized talus in open shade. 2085 Comment
  UCR272857  Ribes nevadense R. G. Swinney 2011-7-29 15569 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  RSA602472  Ribes roezlii Scott D. White 1997-5-8 5076 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below Morris Dam. 244 Comment
  RSA659872  Ribes roezlii Orlando Mistretta 1992-8-20 768 Los Angeles Transverse Ranges; San Gabriel Mtns Region: Mt Gleason. Tujunga Ranger District. Comment
  CAS-BOT-BC186164  Ribes roezlii var. roezlii Carl Epling; Nesta Dunn; Alice Goen 1931-5-16 s.n. Los Angeles San Gabriel Mts., Big Pines Camp Comment
  UCR147273  Ribes roezlii var. roezlii Orlando Mistretta 1992-8-20 768 Los Angeles Transverse Ranges; San Gabriel Mtns, Mt. Gleason Management Unit; Mt Gleason, Tujunga Ranger District 1698 Comment
  CAS-BOT-BC144437  Ribes speciosum Louis C. Wheeler 1932-1-10 436 Los Angeles Puddingstone Dam 304 Comment
  UCSB72624  Ribes speciosum Soza, Valerie; Gross, LeRoy 2001-5-9 Los Angeles Transverse Ranges; Verdugo Mountains region: Southern San Rafael Hills: South of western end of Scholl Canyon, West end of Valle Vista fire road, ridgetop north of Hwy 134 297 Comment
  RSA589971  Robinia pseudoacacia Orlando Mistretta 1994-3-30 942 Los Angeles San Gabriel Mountains. Little Rock Creek . Slopes E of creek below Little Rock Dam. 960 Comment
  UCR260900  Rorippa A. C. Sanders 2009-5-20 36847 Los Angeles San Gabriel Valley, Rio Hondo at Rancho Lujan, between Montebello and South El Monte, east side of San Gabriel Blvd., SE of Darlington St. intersection 73 Comment
  UC1211022  Rorippa nasturtium-aquaticum Huron H. Smith 1912-6-15 5113 Los Angeles road to Middle Ranch Santa Catalina Island 304 Comment
  UCR150058  Rorippa nasturtium-aquaticum L. C. Wheeler 1967-5-31 9808 Los Angeles Transverse Ranges; San Gabriel Mountains region, Pallett Creek at confluence with Big Rock Creek 1082 Comment
  CATA1655  Rosa californica Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-6-13 2942 Los Angeles Santa Catalina Island: Behind Little Harbor 9 Comment
  CATA1696  Rosa californica Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-10-22 3000 Los Angeles Santa Catalina Island: Cherry Valley, above beach 6 Comment
  RSA567157  Rosa californica Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-27 3892 Los Angeles Liebre Mountain: N slope, between Horse Camp Canyon and Robinson Canyon. 1473 Comment
  UCR242707  Rubus armeniacus R. G. Swinney 2009-8-6 11541 Los Angeles Transverse Range; San Gabriel Mountains, San Antonio Canyon, below hogsback, 2.4 mi. upstream from Shinn Rd. on canyon bottom 1073 Comment
  RSA0020293  Rubus leucodermis Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5112 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA598927  Rubus ursinus Scott D. White 1997-3-12 4747 Los Angeles Zuma Beach; mouth of Zuma Creek, E end of the County Beach. 8 Comment
  UCR158881  Rumex conglomeratus Scott D. White 1994-7-14 2288 Los Angeles Transverse Ranges; San Gabriel Mountains, San Dimas Canyon; along San Dimas Canyon Road 396 Comment
  RSA611543  Rumex conglomeratus Louis C. Wheeler 1968-10-1 s.n. Los Angeles San Gabriel Mountains: Big Tujunga Canyon, near Doske Road. Comment
  CATA1640  Rumex crispus Mark L. Hoefs, Steven A. Junak 1998-6-12 2923 Los Angeles Santa Catalina Island: At Isthmus, across from Catalina Harbor 6 Comment
  RSA596814  Rumex crispus Tim S. Ross, J. Mark Porter 1995-5-4 8470 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  UCD101137  Rumex crispus Jack Delaini 1974-3-11 73 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. 365 Comment
  LA30873  Rumex crispus Peter H. Raven; Jane Turner, Barbara Whitesel 1959-3-15 C- 147 Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  UCR260789  Rumex hymenosepalus R. G. Swinney 2010-2-27 11731 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
  JEPS39868  Rumex obtusifolius Joseph Andorfer Ewan 1932-7-4 7573 Los Angeles Millards Canyon San Gabriel Mts. (just below the falls) Comment
  HSC33099  Rumex salicifolius E. A. Wise 1974-8-8 27 Los Angeles Tapia Park, 10 mi. E of Malibu Colony, Santa Monica Mtns. Comment
  SBBG12694  Salicornia pacifica E. R. Blakley 1962-10-4 5404 Los Angeles Ballast Pt, Catalina Harbor at the isthmus 1 Comment
  RSA187746  Salicornia virginica R. F. Thorne 1966-4-4 35769 Los Angeles Santa Catalina Island: salina behind Ballast Point, Catalina Harbor, Isthmus. Comment
  RSA678871  Salicornia virginica 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
  LA82479  Salicornia virginica O. H. Kappler; 1943-5-9 404 Los Angeles Santa Monica Mountains, Las Trancas Canyon, near mouth of canyon 0 Comment
  RSA781248  Salix A. C. Sanders, Dan S. Cooper 2010-3-12 37382 Los Angeles South Coast: Madrona Marsh, Torrance. 24 Comment
  CAS-BOT-BC103152  Salix bonplandiana Le Roy Abrams 1901-4-11 1467 Los Angeles Ballona River near Mesmer Comment
  RSA11076  Salix exigua Carl B. Wolf 1928-3-29 1587 Los Angeles Castaic; South base of Ridge Route road 396 Comment
  SBBG58882  Salix exigua C. W. Sharsmith 1932-7-17 13 Los Angeles lower San Gabriel Cyn, ca. 9.5 km above Azusa 300 Comment
  UC1375321  Salix exigua Robert F. Thorne and C. W. Tilforth 1971-6-17 39888 Los Angeles 0.7 mi w Soledad Station (along Santa Clara R.); n slope San Gabriel Mts., Soledad Canyon 609 Comment
  POM2053  Salix laevigata C. F. Baker 1909-5-15 5315 Los Angeles San Antonio Canyon, Claremont. Comment
  POM2057  Salix laevigata I. M. Johnston 1918-3-14 1988 Los Angeles San Gabriel River at El Monte. 91 Comment
  POM219771  Salix laevigata H. P. Bracelin, F. R. Fosberg 1931-10-11 568 Los Angeles Lower Topanga Canyon, 2.5 km west of Ocean Beach. 15 Comment
  RSA586710  Salix laevigata Orlando Mistretta, Mark A. Elvin 1995-6-20 1807 Los Angeles San Gabriel Mountains, Bare Mountain Canyon. 1555 Comment
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Aug 20 2014
  UC492424  Salix laevigata Carl W. Sharsmith 1932-1-17 11 Los Angeles ca. 9.5 km. above Azusa; Lower San Gabriel Canyon 300 Comment
  UC506464  Salix laevigata Carl Hedin and Joseph Ewan 1933-3-15 7620 Los Angeles at Radford Dr. Los Angeles River; San Fernando Valley, Los Angeles River Comment
  UC506429  Salix laevigata Carl Hedin and Joseph Ewan 1933-3-25 7655 Los Angeles Comment
  POM182039  Salix lasiolepis F. R. Fosberg 1932-1-26 7173 Los Angeles At top of grade between Calabasas and Agoura. 285 Comment
  POM295741  Salix lasiolepis Lyman D. Benson 1946-1-26 11978 Los Angeles Big Dalton Canyon, Glendora. Drainage area: Pacific Slope 366 Comment
  RSA748780  Salix lasiolepis Justin M. Wood 2009-4-7 470 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  RSA776517  Salix lasiolepis Jane Tirrell 2011-5-26 LS- 9 b Los Angeles Along north side of Highway 2 near mile marker 67.7. 2284 Comment
  RSA776519  Salix lasiolepis Jane Tirrell 2011-5-26 LS- 9 a Los Angeles Along north side of Highway 2 near mile marker 67.7. 2284 Comment
  CAS-BOT-BC107556  Salix lasiolepis var. lasiolepis F. R. Fosberg 1932-1-26 7172 Los Angeles between Calabasas and Agoura 285 Comment
  CAS-BOT-BC128488  Salix lasiolepis var. lasiolepis W. R. Dudley 1895-1-3 s.n. Los Angeles Raymond, by railway. Comment
  RSA0084137  Salix lucida subsp. lasiandra Orlando Mistretta 1992-9-16 s.n. Los Angeles San Gabriel Mountains: Oak Springs; Tujunga Ranger District. Comment
  CAS-BOT-BC126300  Salix sessilifolia F. R. Fosberg 1932-3-3 7411 Los Angeles Castaic Creek, below Castaic, San Gabriel Mts. 300 Comment
  CDA20797  Salsola australis B. Villegas 2002-8-21 B 247 -1 Los Angeles Los Angeles Basin; Calabasas, near Ventura Co. line. 0 Comment
  UCR138516  Salsola gobicola L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mtns, Aliso Canyon, Blum Ranch 884 Comment
  UCR223066  Salsola tragus R. G. Swinney 2009-5-6 10683 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon at confluence with Little Rock Creek 909 Comment
  CDA23587  Salsola tragus M. I. Wibawa, L. Smith 2008-10-28 A- 0253 Los Angeles Neenach, off of Highway 138, field along Three Points Road, across from junction to Avenue C, north of California Aqueduct. 0 Comment
  RSA650310  Salsola tragus D. Bartholomew s.n. Los Angeles Near Gate 6, Puddingstone State Park Comment
  RSA0095115  Saltugilia australis P. A. Munz 1925-4-23 9460 Los Angeles San Gabriel Canyon. 488 Comment
  RSA584774  Saltugilia splendens subsp. grantii T. S. Ross 1992-7-17 6729 Los Angeles Saddle E of Condor Peak summit. 1563 Comment
  UC184326  Saltugilia splendens subsp. splendens A. D. E. Elmer June, 1902 3685 Los Angeles Acton , Acton (Mt. Gleason) Comment
  RSA599997  Salvia apiana Steve Boyd, Lauren Raz 1997-5-28 9837 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
  RSA411311  Salvia apiana N. C. Cooper 1949-6-29 4371 Los Angeles San Gabriel Canyon. 457 Comment
  SEINET12273089  Salvia apiana J. F. Bright, Wyman, C. 1931-1 5500 Los Angeles Foothills of Mt.Wilson Comment
  POM49968  Salvia apiana var. compacta A. D. E. Elmer 1902-06 3684 Los Angeles Acton, Mt. Gleason. Comment
  RSA0089537  Salvia carduacea Steve D. Boyd, Gary D. Wallace 2011-4-14 12320 Los Angeles Transverse Ranges; Liebre/San Gabriel Mountains region: Acton Wash ca. 3km east of junction of Soledad Cnayon Road and Crown Valley Road. 829 Comment
  RSA579148  Salvia columbariae Tim S. Ross, Darin Banks 1994-4-12 7465 Los Angeles San Francisquito Canyon: xeric westerly slope ca 460 m SSW of where Drinkwater Canyon joins S. Fr. Canyon. 515 Comment
  RSA592509  Salvia columbariae Mark Hoefs, Doug Propst 1973-3-14 101 Los Angeles Santa Catalina Island: upper Cape Canyon; east exp. 488 Comment
  RSA599593  Salvia columbariae Steve Boyd, Lauren Raz 1997-3-31 9396 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 914 Comment
  RSA599803  Salvia columbariae Steve Boyd, Lauren Raz 1997-3-25 9295 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain, flats and slopes just northeast of ranch compound. 976 Comment
  UC557706  Salvia columbariae Nell Murbarger Apr 1936 130 Los Angeles w side and s end San Clemente Island Comment
  CAS-BOT-BC214319  Salvia dorrii var. pilosa Frank W. Peirson 1923-5-26 s.n. Los Angeles Rock Creek, San Gabriel Mts. 1371 Comment
  OBI13548  Salvia dorrii var. pilosa Louis C. Wheeler 1932-4-9 573 Los Angeles 4 mi W Fairmont, mohave Desert 914 Comment
  RSA446282  Salvia dorrii var. pilosa J. Doty 1969-4-19 628 Los Angeles Goode [Godde] Pass Road, 0.9 miles south of its junction with Avenue N 884 Comment
  UC1124695  Salvia dorrii var. pilosa W. T. Murphy 1926-4-10 Los Angeles near Acton; Angeles Forest, Tujunga Quad. 822 Comment
  LA69813  Salvia leucophylla Unknown; 1927-5-7 sn Los Angeles SANTA MONICA MOUNTAINS, Universal City. 213 Comment
  SD38723  Salvia leucophylla Edith A. Purer 1935-5-11 6551 Los Angeles Malibou Lodge Road. Comment
  CHSC98053  Salvia mellifera LeRoy Gross 2003-3-7 757 Los Angeles Transverse Ranges: Verdugo Mountains Region: Northwest side. Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane, off of Newhome Ave. in city of Sunland. 555 Comment
  RSA0088150  Salvia mellifera R. G. Swinney 2010-5-4 12514 Los Angeles North of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park. 457 Comment
  RSA144752  Salvia mellifera Alice Ann Webb 1961-2-9 768 Los Angeles Johnson's Pasture, Claremont, Mt. Range - San Gabriel. 457 Comment
  RSA584037  Salvia mellifera Tim S. Ross, Steve D. Boyd 1991-4-25 4578 Los Angeles San Gabriel Mtns: Doe Flat and immediate vicinity, situated between Graveyard Canyon and the E Fk of Susanna Canyon, draining to the lower E Fk of the San Gabriel River. 841 Comment
  SBBG12653  Salvia mellifera E. R. Blakley 1962-10-5 5431 Los Angeles NE side of Black Jack Mtn at the jct of Island Rd and White's Landing Rd 381 Comment
  UC1922276  Salvia mellifera Valerie Soza, Miriam Sidibeh 2003-3-26 1601 Los Angeles Transverse Ranges; Verdugo Mountains region; North side of La Tuna Canyon, Haines Canyon Park vicinity, southwest of Dorothy and Estepa Dr. intersection. 549 Comment
  RSA434076  Salvia spathacea A. M. Johnson 1934-5-4 4472 Los Angeles Santa Monica Mtns: Sepulveda Canyon, beyond tunnel; bottom of ravine. Comment
  RSA650337  Sambucus caerulea A. E. Hersh 1950-7-9 s.n. Los Angeles Topanga Canyon about 2 miles from west end. 91 Comment
  RSA650339  Sambucus caerulea Guy C. Black 1948-4-23 s.n. Los Angeles Approx. 4 mi. west of Covina near Baldwin Park. 213 Comment
  RSA660903  Sambucus mexicana Ann Williams 1992-5-14 1 -92 Los Angeles End of Oceanview Ave., .3 mi. N of Mar Vista St. Whittier. 152 Comment
  UCR220809  Sambucus mexicana Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 773 Los Angeles Verdugo Mountains, south side, Stough Canyon, Stough Park, above parking lot southwest of intersection of Walnut Avenue and Lockheed View Drive, well of De Bell Municipal Golf Course, southeast of Starlight Theater 335 Comment
  OBI26305  Sambucus nigra subsp. caerulea Mark Schneider 1973-5-1 27 Los Angeles Mulholland hwy 1-1/2 mi past Stunt Rd. Comment
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May 8 2014
  UCR258691  Sambucus nigra subsp. caerulea R. G. Swinney 2010-3-22 12031 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  POM219124  Sanguisorba minor Louis C. Wheeler 1932-7-25 1102 Los Angeles Thompson Creek, 2.5 miles NE La Verne 381 Comment
  SD107915  Sanicula arguta Larry DeBuhr 1977-4-17 2582 a Los Angeles Santa Catalina Island, Ridge southeast of Shark Harbour Comment
  UCR190527  Sanicula arguta R. G. Swinney 1990-3-19 1524 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora 366 Comment
  SFV16838  Sanicula crassicaulis J. D. Dilley 1997-3-29 149 Los Angeles Santa Monica Mountains Studio City. Beatty Dearing Trail, beginning on Mulholland Drive, 0.5 miles west of Laurel Canyon. 245 Comment
  RSA233364  Sanicula crassicaulis Arthur C. Gibson, Linda C. Gibson 1972-3-18 2796 Los Angeles Fish Canyon, San Gabriel Mountains. 396 Comment
  RSA97365  Sanicula crassicaulis F. W. Peirson 1919-5-18 431 Los Angeles South face of San Gabriel Mountains, Monrovia Canyon. Comment
  SEINET269308  Sanicula graveolens Scott D. White, Chet McGaugh 1995-5-9 2981 Los Angeles East edge of Santa Susana Mountains just west of San Gabriel Mountains 'Sunshine Canyon': west of San Fernando road and 457 Comment
  RSA785909  Sanicula tuberosa K. Dobry 1991-4-22 449 Los Angeles West San Gabriel Mts. at Elsmere Cyn Comment
  CHSC31337  Sarcodes sanguinea K. Bridwell 1978-6-18 155 Los Angeles Along Highway 2, ca 35 mi NE of Glendale, Angeles National Forest. 1676 Comment
  UCR190054  Sarcodes sanguinea R. G. Swinney 1998-9-7 6931 Los Angeles San Gabriel Mtns., Dawson Peak ridge, Dawson Peak Ridge Trail 2829 Comment
  UC1483932  Sarcodes sanguinea Gary D. Wallace 1969-6-23 821 Los Angeles 1 - 2 mi. e. Ridgecrest (along Angeles Crest Hwy. (State Hwy. 2), 200 yds. w. of a picnic ground, Angeles Nat'l Forest); San Gabriel Mts., Angeles Nat'l Forest Comment
  SEINET3158952  Sarcostemma cynanchoides var. hartwegii G. B. Grant 972 Los Angeles Covina Comment
  LA210530  Schinus molle Louis C. Wheeler; 1932-10-22 1437 Los Angeles Liveoak Wash near La Verne 403 Comment
  SBBG98612  Schinus molle T. Ross 1991-4-21 4548 Los Angeles ridgetop between Turnbull and Sycamore Cyns; Whittier Hills (Puente Hills) 320 Comment
  CATA1596  Schismus arabicus Mark L. Hoefs, Robert F. Thorne 1998-4-25 2865 Los Angeles Santa Catalina Island: At Echo Lake 402 Comment
  RSA598099  Schismus barbatus Steve Boyd, Lauren Raz 1997-3-4 9147 Los Angeles Liebre Mountains region, southern base of the Sierra Pelona Ridge, Crown Valley just northwest of Governor Mine, ca 0.8 mi north of Sierra Highway along Crown Valley Road. 987 Comment
  UCSB68647  Schismus barbatus Gross, LeRoy; Denslow, Michael; Sidibeh, Mariam 2003-2-10 Los Angeles Transverse Ranges: Verdugo Mountains Region; south side; along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway; Burbank Quad. 7.5: T1N R13W S5, Center; along shoulder of road and beyond slopes near road 783 Comment
  UC1584239  Schoenoplectus acutus var. occidentalis Tim Ross, Steve Boyd 1990-6-6 2884 Los Angeles marshy portions at the n end Piru Pond; Liebre Mtn Quad., Los Padres National Forest, Piru Pond 644 Comment
  RSA366075  Schoenoplectus maritimus H. de Forest 1935-5-2 s.n. Los Angeles Gardena. Comment
  POM1384  Scirpus acutus var. occidentalis I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. 122 Comment
  CDA39109  Scirpus californicus Bernard Rohrer Jul 1948 s.n. Los Angeles San Pedro. 0 Comment
  SBBG82789  Scirpus microcarpus M. Bufkin -May-1895 Los Angeles near Pasadena Comment
  UCR270975  Scrophularia californica R. G. Swinney 2011-4-28 14537 Los Angeles San Gabriel Mountains, north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 963 Comment
  SD80067  Scrophularia californica subsp. floribunda Mary H. Ward, Shirley W. Campbell 1970-4-16 Los Angeles San Rafael Hills, behind Linda Vista, southwestern Pasadena Comment
  LA99365  Scutellaria mexicana E. R. Hobbs; 1978-5-13 78- 179 Los Angeles Devil's Punchbowl County Park Comment
  CHSC83981  Scutellaria siphocampyloides John Dittes 1990-6-20 130 Los Angeles Transverse Range; San Gabriel Mountains; approximately 16.7 air-miles north of Monrovia, approximately 1.3 air-mile northeast of Vetter Mountain and 0.75 air-mile southwest of Chilao Station, in canyon of East Fork Alder Creek. 1493 Comment
  UC884219  Scutellaria tuberosa Marcus E. Jones, A. M. 1882-5-2 3208 Los Angeles Pasadena Comment
  LA209598  Selaginella asprella Lawrence L. Kiefer; 1966-10-15 2427 Los Angeles San Gabriel Mountains, Bear Canyon-Devil's Canyon Primitive Area, ca. 0.5 mi down the stream below Snow Spring on Hwy. 39 1523 Comment
  LA200009  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-19 1748 Los Angeles SANTA MONICA MOUNTAINS, Trancas Canyon, ca 3.5 mi from mouth of canyon. 304 Comment
  LA200013  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-27 1815 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, ca 3 mi above Sunset Blvd. 274 Comment
  LA93999  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-12 1694 Los Angeles SANTA MONICA MOUNTAINS, just S of Cornell Corners, small ravine in bluff above road. 274 Comment
  RSA683750  Selaginella bigelovii Blanche Trask 1900-03 s.n. Los Angeles Near Avalon, Santa Catalina Island. Comment
  RSA213396  Selaginella bigelovii Meryl B. Dunkle 1939-4-3 7228 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  CAS-BOT-BC363455  Senecio californicus C. F. Baker 1909-3-20 5251 Los Angeles Claremont Comment
  OBI34020  Senecio douglasii var. douglasii Mark Schneider 1973-9-26 s.n. Los Angeles Tujunga Wash. Wentworth St. 100 yds W of Wheatland. Left hand side 457 Comment
  UCD135478  Senecio flaccidus var. douglasii A. M. Johnson 1932-5-5 4055 Los Angeles Campus, U.C.L.A. Comment
  CAS-BOT-BC341197  Senecio lyonii Brandegee No date on label s.n. Los Angeles Santa Catalina Island Comment
  CHSC98401  Senecio vulgaris LeRoy Gross 2001-3-31 366 Los Angeles Los Angeles Basin: Verdugo Mountains region: South side: at end of Olive Ave, parked on Via Montana, in city of Burbank. Folllow an old road that is overgrown so that a faint trail is all that is left of this road. The old road goes up to the main crest with Sunset Canyon to the west and Story Canyon on the east. West facing slope, growing along old road, above Sunset Canyon, a small open grassy area. 396 Comment
  RSA675874  Senecio vulgaris LeRoy Gross 2003-3-9 784 Los Angeles Southwest side. A west-east trending ridge southwest of Flint Peak. Entered at west end, at Mount Carmel Drive, east of the (2) Glendale freeway, between Chevy Chase Drive (Sycamore Canyon) to the north,, and Glenoak Blvd. (Scholl Canyon) to the south. 357 Comment
  UCSB46614  Senecio vulgaris Welton, Patti 1983-3-28 Los Angeles On southwest side of Mulholland Hwy, 2.2 miles north of its junction with Malibu Canyon Road, Santa Monica Mtns. 487 Comment
  RSA527616  Senecio vulgaris Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-8 4401 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  RSA527759  Senecio vulgaris Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-8 4343 Los Angeles San Clemente Island. East side of island, near Malo Point, second canyon south of Bryce Canyon. Comment
  RSA585074  Setaria viridis L. C. Wheeler 1931-9-11 132 Los Angeles 2 mi. NE La Verne 373 Comment
  UCR172292  Setaria viridis Anuja Parikh, Nathan Gale 2005-7-11 2138 Los Angeles Santa Clara River Valley, Newhall Ranch, N of the Santa Clara River, near Del Valle and the mouth of Chiquito Canyon, study area 29 274 Comment
  SBBG94045  Sibara filifolia M. R. Benedict 1971-6-25 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  UCD170107  Silene antirrhina R. G. Swinney 2008-6-4 8923 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, west tributary of W Fork Punchbowl Canyon, 0.4 mi. NE of park headquarters. 1329 Comment
  RSA477833  Silene antirrhina Anstruther Davidson 1890-3-24 s.n. Los Angeles Foothills L.A. Comment
  LA94370  Silene coniflora Carl Epling; 1931-5-9 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA477881  Silene gallica H. L. Bauer 1929-4-5 s.n. Los Angeles Long Beach. Vacant lot. Comment
  SEINET4076466  Silene gallica R. Moran 1941-1 705 Los Angeles About ranch houses, Middle Ranch, Santa Catalina Island. 200 Comment
  UC852887  Silene laciniata subsp. major Ira W. Clokey, B. Templeton May 1929 4544 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon 500 Comment
  RSA0091334  Silene verecunda R. G. Swinney 2011-8-17 15635 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  UCR223295  Silene verecunda R. G. Swinney 2009-7-23 11378 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
  UCR98736  Silene verecunda subsp. platyota T. S. Ross, Steve Boyd, Peter Fritsch 1990-6-11 3357 Los Angeles San Gabriel Mtns., Big Rock Creek Canyon: c. 120 m NW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin) 1732 Comment
  RSA719135  Silybum marianum Naomi Fraga 2001-5-11 38 Los Angeles California State Polytechnic University, Pomona. Voorhis Ecological Reserve. Comment
  CAS-BOT-BC172758  Sisymbrium altissimum Mark A. Elvin; Cathleen Weigand 2003-5-22 2895 Los Angeles Santa Susana Mtns.: crest of mountains at head of Salt Canyon, Newhall Ranch 915 Comment
  RSA0088580  Sisymbrium altissimum R. G. Swinney 2010-5-11 12685 Los Angeles East of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd. 872 Comment
  SBBG41403  Sisymbrium altissimum J. P. Broughton, K. K. Muller 1971-4-2 1353 Los Angeles between Palmdale and Lancaster Comment
  IRVC28589  Sisymbrium altissimum A. C. Sanders, Mark Elvin 2002-6-19 25185 Los Angeles Newhall Ranch, "Long Cyn." 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 335 Comment
  UCD115521  Sisymbrium altissimum Robert F. Thorne; P. C. Everett 1964-2-7 33462 Los Angeles at lower end of Pebbly Beach Canyon, on the E end of Santa Catalina Island. 76 Comment
  RSA0073362  Sisymbrium irio R. G. Swinney 2010-3-16 11966 Los Angeles 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
  SD80053  Sisymbrium irio C. W. Tilforth 1970-1-27 246 Los Angeles Los Angeles County Fairgrounds, south of La Verne. Comment
  SBBG124482  Sisymbrium orientale R. Burgess, P. Munro 1999-4-17 3238 Los Angeles Canton Cyn, NE of Lake Piru, N side of Canton Crk, above second narrows 457 Comment
  SBBG96666  Sisymbrium orientale S. Boyd with T. Ross, L. Arnseth 1990-4-7 4243 a Los Angeles lower half of China Cyn Comment
  UCR207700  Sisymbrium orientale Justin M. Wood 2009-4-2 459 Los Angeles city of Claremont; Bernard Field Station, northwest corner of Mills Ave. and Foothill Blvd. 421 Comment
  SEINET6086994  Sisyrinchium bellum Unknown 1975-5-13 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  UCR117122  Sisyrinchium rosulatum A. C. Sanders, D. Malueg 2001-5-17 24313 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
  RSA628347  Solanum americanum Steve D. Boyd 1998-10-7 10297 Los Angeles Bouquet Canyon, east of Bouquet Reservoir along Spunky Canyon Road just west of junction with Bouquet Canyon Road. 915 Comment
  RSA735381  Solanum americanum Steve D. Boyd, Mark A. Elvin, Rick Burgess, Lloyd Simpson 2006-11-8 11702 Los Angeles southwestern shore of Quail Lake, extreme western end of Mojave Desert at north base of Liebre Mountains. 1024 Comment
  UC1922356  Solanum americanum Scott D. White, A. Warniment 2006-7-6 11602 Los Angeles SE TEHACHAPI MTNS.: Gorman area, sag ponds and adj. slopes just N of Gorman Post Rd. Comment
  UCR180384  Solanum americanum Scott D. White, Andrea Warniment 2006-7-6 11602 Los Angeles SE Tehachapi Mtns, Gorman area, sag ponds and adjacent slopes just N of Gorman Post Road 1143 Comment
  RSA422391  Solanum douglasii T. S. Clare 1929-3-3 s.n. Los Angeles Topango [Topanga] Canyon. Comment
  SBBG42269  Solanum douglasii M. B. Dunkle 1939-11-24 7339 Los Angeles Mosquito summit Comment
  UC1125207  Solanum douglasii F. H. Raymond 1930-3-3 52 Los Angeles San Rafael Hills; Angeles National Forest, San Rafael Hills 335 Comment
  UCR217423  Solanum douglasii R. G. Swinney 2009-3-10 10063 Los Angeles San Gabriel Mtns. Foothills, Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  POM6568  Solanum elaeagnifolium L. R. Abrams 1917-6-7 6607 Los Angeles San Fernando Valley, near Cahuenga Pass. Comment
  SEINET10697254  Solanum tuberosum Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3779 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  UCR259621  Solanum umbelliferum R. G. Swinney 2010-5-25 12953 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  CAS-BOT-BC83635  Solanum umbelliferum C. B. Wolf 1931-5-13 2000 Los Angeles Pacoima Wash, near bridge on the road from Tujunga to San Fernando. 365 Comment
  RSA11764  Solanum umbelliferum E. Lloyd 1933-4-1 s.n. Los Angeles Lewercal Canon Comment
  CAS-BOT-BC237747  Solanum wallacei Grant; Wheeler 1904-4-1 6141 Los Angeles Santa Catalina Island Comment
  LA51827  Solanum xanti Louis Wheeler; 1932-2-20 446 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  UCR165242  Solanum xanti A. C. Sanders, Helen Kennedy 2005-4-13 29484 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyons 457 Comment
  SDSU11153  Solanum xanti var. intermedium D. F. Howe 1947-3-23 1516 Los Angeles Topango Canyon about 1 mile from ocean. Comment
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May 22 2014
  RSA587492  Solidago californica Orlando Mistretta 1994-9-13 1473 Los Angeles San Gabriel Mountains: Santiago canyon. Santiago Creek near jct. of Forest Road 4N20 and BM 3980. 1189 Comment
  RSA0092149  Solidago velutina subsp. californica R. G. Swinney 2011-9-22 15659 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), c. 300 meters north of lodge along service rd. 1073 Comment
  RSA591920  Sonchus asper L. C. Wheeler 1967-5-8 9314 Los Angeles Liebre Mountains. Foothills northeast of Saugus. 381 Comment
  UC75803  Sonchus oleraceus unknown June 1903 Los Angeles Los Angeles Comment
  LA39068  Sonchus oleraceus H. Lewis; 1940-8-14 Los Angeles Campus of University of California at Los Angeles Comment
  RSA0031847  Spartium junceum Geraldine Dodd 1992-5-2 001 Los Angeles 2 miles north of corner of Loma Alta Dr. & Lake Ave. in Altadena. Sam Merrill hiking trail. 975 Comment
  UCR128000  Spartium junceum Mark A. Elvin 2003-8-13 2984 Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River at the mouth of Long Canyon 274 Comment
  CAS-BOT-BC389952  Spergula arvensis Geo. B. Grant 1909-4-1 s.n. Los Angeles Pasadena Comment
  CATA897  Spergularia bocconi Mark L. Hoefs, Robert F. Thorne 1992-4-1 1730 Los Angeles Santa Catalina Island: Emerald Bay 6 Comment
  RSA478016  Spergularia macrotheca M. B. Dunkle 1928-4-11 1853 Los Angeles Near Isthmus, Santa Catalina Island. 5 Comment
  SD85138  Spergularia macrotheca Martin A. Piehl 1962-6-9 62631 Los Angeles San Clemente Island; south of Lighthouse, China Point. 3 Comment
  UCR65521  Spergularia macrotheca Aaron Liston, Orlando Mistretta, L. Rieseberg 1989-4-28 797 1 Los Angeles Channel Islands, San Clemente Island, terrace above China Point, S end of island Comment
  CATA1289  Spergularia macrotheca var. macrotheca Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2378 Los Angeles Santa Catalina Island: Parsons' Landing 3 Comment
  SBBG37832  Spergularia macrotheca var. macrotheca M. B. Dunkle 1939-4-2 7205 Los Angeles SE point of San Clemente Island Comment
  SBBG96640  Spergularia macrotheca var. macrotheca S. Boyd with O. Mistretta, L. Arnseth, B. O'Brien 1990-4-6 4167 Los Angeles Larkspur Cyn, S of "Jack" 213 Comment
  SBBG98421  Spergularia macrotheca var. macrotheca T. Ross 1991-5-22 5443 Los Angeles Spray Pt, W side of island ca. 5300 ft N of Eel Pt 9 Comment
  CAS-BOT-BC390798  Spergularia marina Alice Eastwood 1906-6-2 185 Los Angeles Country adjacent to Los Angeles. San Pedro Comment
  RSA0098643  Sphaeralcea ambigua subsp. ambigua R. G. Swinney 2010-6-1 13127 Los Angeles San Gabriel Mountains: lower Carson Mesa, 0.4 miles east of Angeles Forest Hwy., 0.4 miles NNE of Vincent 994 Comment
  RSA77048  Sphaeralcea emoryi subsp. variabilis F. W. Peirson 1917-5-13 776 Los Angeles Palmdale, SW Mojave Desert. Comment
  UCR136952  Sphaeralcea emoryi subsp. variabilis B. C. Templeton 1930-5-19 1460 Los Angeles San Gabriel Mtns., Mint Canyon, near Mojave Desert 854 Comment
  SEINET186837  Sphaeralcea fasciculata Ynez W. Winblad 1938-5-14 Los Angeles Santa Ana Canyon. Comment
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Feb 10 2015
  JEPS85657  Stachys John Thomas Howell 1927-3-20 3475 Los Angeles Vermont Canyon Griffith Park Comment
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Nov 28 2009
  JEPS62971  Stachys ajugoides Dr. H. E. Hasse Los Angeles Santa Monica Comment
  SBBG126888  Stachys rigida var. quercetorum A. Parikh, N. Gale 2011-5-12 3384 Los Angeles Chino Hills, Upper Sonome Cyn, 1.1 km S of Tonner Cyn 386 Comment
  UCR219825  Stanleya pinnata R. G. Swinney 2009-4-24 10433 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  SD66831  Stebbinsoseris heterocarpa R. Mitchel Beauchamp 1967-3-17 239 Los Angeles San Clemente Island; Slopw east of Wilson Cove. Comment
  UC852207  Stellaria media L. W. Nuttall 243 Los Angeles Santa Catalina Island Comment
  UCR272514  Stellaria media R. G. Swinney 2011-10-27 15932 Los Angeles San Gabriel Mountains, 1.4 miles east (downstream) from entrance gate to Cogswell Dam, at confluence of Butterfield Cyn. and W Fork San Gabriel River, along West Fk. Natl. Scenic Bikeway 634 Comment
  CAS-BOT-BC393692  Stellaria media Marcus E. A M Jones 1926-3-13 s.n. Los Angeles Santa Ana Canon Comment
  CAS-BOT-BC375148  Stephanomeria cichoriacea John Thomas Howell 1927-10-16 3145 Los Angeles Slope at Sturtevant Falls, Santa Anita Canon [Canyon], San Gabriel Mts. Comment
  RSA474172  Stephanomeria cichoriacea F. R. Fosberg 1931-10-11 7217 Los Angeles Topanga Canyon, Santa Monica Mts. Comment
  SFV18461  Stephanomeria cichoriacea S. Haennelt 1976-9-10 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Rocky cliff in canyon. Comment
  RSA750210  Stephanomeria exigua R. G. Swinney 2005-7-21 8323 Los Angeles Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  UC1584880  Stephanomeria exigua subsp. coronaria Tim Ross and Steve Boyd 1991-7-24 5644 Los Angeles nne slope Granite Mountain; Pacifico Mountain USGS 7.5' Quad., Granite Mountain 1901 Comment
  UC454306  Stephanomeria exigua subsp. coronaria I. J. Condit 1908-7-28 Los Angeles Hollywood Comment
  CAS-BOT-BC322848  Stephanomeria pauciflora John Thomas Howell 1952-10-26 28878 Los Angeles North of Lancaster Comment
  RSA607703  Stephanomeria pauciflora Scott D. White, Pam DeVries 1997-11-20 6025 Los Angeles Cismontane L.A. County: Big Tujunga Wash (San Gabriel Mtn. foothills / E San Fernando Valley): West of Sunland, SW of I-210 Freeway, E of Hansem Dam, and N of Wentworth St. 320 Comment
  UCR210203  Stephanomeria pauciflora R. G. Swinney 2008-9-4 9411 Los Angeles San Gabriel Mtns., Dry Lake, Blue Ridge, SW of Wrightwood and 0.4 mi. east of junction of Hwy 2 and road 3N06/Blue Ridge Rd. 2250 Comment
  UCR219278  Stephanomeria virgata Jonas A. Winbolt, Rocky Brown 2010-8-20 013 Los Angeles Western Transverse Range, south of Santa Clarita, north side of Hwy I-5 and the Old Road, southeast of trailer park along powerline corridor 956 Comment
  UCR240276  Stephanomeria virgata S. J. Myers 2010-6-14 s.n. Los Angeles Western Mojave Desert, Antelope Valley, California Poppy Preserve, Southern California Edison transmission tower on a low ridge at the eastern end of the Antelope Buttes, east of 130th St. West, north of West Ave. E 8, NW of Lancaster 822 Comment
  CHSC35493  Stillingia linearifolia James Henrickson 1979-5-23 18173 Los Angeles Ca 7 air miles N of Newhall in Dry Canyon; S of Dry Canyon Reservoir, on slopes E of canyon. 426 Comment
  UC1929664  Stillingia linearifolia Scott D. White, Michael Honer 2003-6-18 9566 Los Angeles LIBRE MTS.: Canyon Country. Steep, actively eroding slopes immediately above homes and detention basins in tributary to west of Tick Canyon. Comment
  UCR272570  Stipa parishii R. G. Swinney 2011-8-5 15599 Los Angeles San Gabriel Mountains, summit of Mount Hawkins, high point of Copter Ridge, 0.6 miles SSE of Hwy. 2/Angeles Crest Hwy 2698 Comment
  SD84784  Stipa pulchra Reid Moran 1941-2-16 570 Los Angeles San Clemente Island, on west end of ravine, Middle Ranch 500 Comment
  SBBG70262  Streptanthella longirostris R. Hoffmann 1931-4-20 Los Angeles