Search Results — 2000 specimen records retrieved (1551 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA698310  Abies concolor J. Vlahos 1934-5-13 s.n. Los Angeles San Antonio Canyon. 2134 Comment
  UCR277099  Abies concolor R. G. Swinney 2010-9-23 13891 Los Angeles San Gabriel Mountains, summit of Middle Hawkins Peak on Hawkins Ridge 2593 Comment
  RSA234636  Abronia maritima Robert F. Thorne 1970-3-6 39384 Los Angeles Santa Catalina Island: Ben Weston Beach (Mills Landing). 2 Comment
  UCSB2963  Acacia baileyana Gill, Robert 1959-2-26 Los Angeles Pomona College campus-Claremont; Pacific slope drainage area 365 Comment
  SBBG132337  Acacia cyclops S. Savage, W. Fair, R. Stark, L. Noe, J. Lambert 2003-9-7 Bot 9 -2003 Los Angeles near BEQ Building 61012, W side 123 Comment
  SD129315  Acacia retinodes A. C. Sanders 1988-2-3 7599 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Dr, E of Vista Del Mar Blvd. 29 Comment
  CAS-BOT-BC412575  Acanthoscyphus parishii var. parishii R. F. Thorne; L. E. DeBuhr 1972-8-18 42257 Los Angeles San Gabriel Mts., Angeles National Forest: ridge running E. from peak of Mt. Islip 2407 Comment
  CLARK-A1528-104  Acer macrophyllum Richard A. Minnich 1968-4-18 10 Los Angeles San Gabriel Mountains Comment
  JEPS42665  Acer macrophyllum Carl Epling, J. Ewan 1933-7-7 7844 Los Angeles Lower Topango Canyon Santa Monica Mts., Lower Topango Canyon Comment
  RSA584297  Acer macrophyllum Tim S. Ross, Orlando Mistretta 1993-5-27 7334 Los Angeles Wilson Canyon, along the riparian strip. 588 Comment
  UC75302  Acer macrophyllum C. F. Baker 1903-8-2 3675 Los Angeles Claremont Comment
  RSA0112562  Achillea millefolium R. G. Swinney 2011-6-15 15194 Los Angeles San Gabriel Mountains: Chilao Creek, 100 m south and north of Chilao Campground. 1573 Comment
  CAS-BOT-BC211919  Achnatherum coronatum Peter H. Raven; Henry J. Thompson; S. R. Snow 1956-6-22 9455 Los Angeles Burn below Mullholland Drive above Sepulveda Blvd., Santa Monica Mountains Comment
  POM8788  Achnatherum coronatum P. A. Munz, R. D. Harwood 1920-4-29 3794 Los Angeles San Dimas Canyon. 457 Comment
  SEINET4692064 Image available Achnatherum coronatum Frank W. Gould 1944-1 2371 Los Angeles Just east of roadcut on Los Flores Canyon road, 5.9 miles from coast highway Comment
  SBBG57065  Achnatherum speciosum R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  UC1922162  Achyrachaena mollis Scott D. White, Pam DeVries 2006-5-10 11427 Los Angeles SE TEHACHAPI MTNS.: Gorman area, valley & slopes along Gorman Creek, NE of I-15 Fwy. and SW of Gorman Post Rd. Comment
  UCD104160  Acmispon glaber Kenneth A. Wilson 1961-3-12 998 Los Angeles Zuma Beach. Comment
  LA52432  Acmispon glaber var. glaber Carl Epling; M. Epling May 1925 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA0115856  Acmispon grandiflorus Steven A. Junak 1999-5-6 SCa- 883 Los Angeles Santa Catalina Island. Parsons Landing, at W end of beach, mouth of creek. 3 Comment
  CHSC34542  Acmispon grandiflorus var. grandiflorus James Henrickson 1937-6-23 10937 Los Angeles 1 1/2 mile N of Malibu, in tract of land at junction of Rambala Pacifico and Schueren Road. 426 Comment
  SBBG67368  Acmispon grandiflorus var. grandiflorus R. Hoffmann 1931-5-3 340 Los Angeles 3 mi E of Elizabeth Lake Comment
  SBBG95249  Acmispon micranthus M. B. Dunkle 1928-4-10 1841 Los Angeles above Parson's Landing Comment
Read comments
Mar 14 2012
  CATA47  Acourtia microcephala USC Wrigley Interns: Miller Zou, Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Sarah Ratay 2011-7-8 27 Los Angeles Santa Catalina Island: Deer Valley Trail 62 Comment
  RSA669526  Acroptilon repens LeRoy Gross 2002-8-24 667 Los Angeles At junction of Hwy. 14 & Ave. H, Northwest area of Lancaster. 701 Comment
  RSA390580  Adenostoma fasciculatum var. fasciculatum A. M. Johnson 1933-5-20 4309 Los Angeles San Gabriel Mountains, Fish Canyon Wash, open flat, west of bridge, Foothill Boulevard. Comment
  UC749004  Adiantum capillus-veneris Louis C. Wheeler 1931-10-11 248 Los Angeles Palmer Canyon; San Gabriel Mts 762 Comment
Read comments
May 9 2010
  CAS-BOT-BC65631  Adiantum jordanii George B. Grant; Walter Wheeler 1904-4-21 26 Los Angeles Santa Catalina Island, Pacific Ocean, off southern California Comment
  RSA678460  Adiantum jordanii Mark Elvin, Dylan Hannon, Gery Allan, Curtis Clark, Steve Burckhalter 1996-4-20 160 Los Angeles San Clemente Island. Steep N slopes. Comment
  UCR53151  Aegilops ovata B. Lennart Johnson 1964-1 s.n. Los Angeles Grown at University of California, Los Angeles 152 Comment
  UCR50869  Aeonium A. C. Sanders 1988-5-18 7848 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  UCR259041  Agave americana R. G. Swinney 2010-3-14 11902 Los Angeles San Gabriel Mountains, Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road 447 Comment
  UCR217308  Ageratina adenophora R. G. Swinney 2009-3-10 10078 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  UC832667  Agoseris heterophylla var. heterophylla M. E. Jones 1882-5-3 3222 Los Angeles Pasadena Comment
  PASA911  Agoseris retrorsa Frank W. Peirson 1922-7-6 Los Angeles Blue Ridge, San Gabriel Mts. 2316 Comment
  UCR205619  Agoseris retrorsa R. G. Swinney 2008-5-12 8843 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
  UCSB31628  Agoseris retrorsa Griesel, Wesley 1962-5-2 Los Angeles Switzers Inlet, Upper Arroyo Seco, San Gabriel Mts. 914 Comment
  RSA384956  Agrostis exarata F. R. Fosberg 1931-4-29 S- 4729 Los Angeles Between Cottonwood and Middle Ranch Canyons. Santa Catalina Island 80 Comment
  RSA415245  Albizia lophantha Robert Gustafson 1981-4-14 2171 Los Angeles Ballona Wetlands, area 2 Comment
  CAS-BOT-BC464445  Allium burlewii R. F. Thorne; M. Z. Thorne 1969-7-10 38353 Los Angeles San gabriel Mts., Angeles national forest: Dry, sunny, gravelly bank in open sugar pine-fir forest, near Lodgepole Picnic Ground, c. 1 1/2 miles SE of Dawson Saddle along Angeles Crest Hwy. 2316 Comment
  UCR117223  Allium fimbriatum B. G. Pitzer 1998-5-12 3693 Los Angeles Western Mojave Desert, c. 18 air mi. NW of Adelanto & 12.8 mi (airline) west of the San Bernardino Co. line, 240th Street East, c. 3.1 road mi. north of junction with El Mirage Rd. (= Ave. 'P'), 0.25 mi. east of 240th St., and c. 3.4 mi. south of Ave. 'J 866 Comment
  CHSC59620  Allium lacunosum var. lacunosum Daryl Koutnik 1978-4-28 431 Los Angeles Fireroad north of Mulholland Highway and northwest of Saddle rock. 609 Comment
  RSA674643  Allium peninsulare var. peninsulare Scott D. White, P. DeVries 2000-5-18 7900 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
  SDSU11552  Allium praecox R. M. Beauchamp 1967-3-19 306 Los Angeles San Clemente Island Growing on east rim of canyon south of Wilson Cove Pier. Comment
  CAS-BOT-BC476833  Allium validum Elizabeth McClintock 1965-7-2 s.n. Los Angeles San Gabriel Mountains. Table Mountain, above Wrightwood, in yellow-Jeffrey pine forest. 2133 Comment
  RSA152098  Allophyllum divaricatum Wesley O. Griesel 1962-5-25 s.n. Los Angeles Switzers Inlet, Upper Arroyo Seco, San Gabriel Mtns. 915 Comment
  RSA410093  Allophyllum glutinosum B. C. Templeton 1931-4-12 s.n. Los Angeles Mandeville Canyon 400 Comment
  RSA580314  Allophyllum glutinosum T. S. Ross, Steve Boyd 1994-5-24 7873 Los Angeles Lower NE slope of Grass Mountain: northeasterly draw and adjacent northerly slope dissected by Burns Truck Trail and draining to the upper central area of Burns Canyon. 1148 Comment
  RSA594568  Allophyllum glutinosum L. C. Wheeler 1967-7-30 10282 Los Angeles San Gabriel Mountains. Trail Canyon, Tom Lucas campground. 945 Comment
  SBBG31115  Allophyllum glutinosum R. F. Thorne 1966-4-28 36229 Los Angeles near upper end Renton Mine Rd in Pebbly Beach Cyn 259 Comment
  CAS-BOT-BC170975  Alnus rhombifolia Joseph Andorfer Ewan; Nesta Ewan 1936-8-16 10090 Los Angeles Along dry creek bed, Mt. Waterman - Twin Peaks Saddle. San Gabriel Mts. 1981 Comment
  RSA452780  Alnus rhombifolia T. S. Clare 1931-1-1 14619 Los Angeles Mountain side above orchard Camp Comment
  UCR162294  Alnus rhombifolia Anuja Parikh, Nathan Gale 2004-6-22 2067 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 13), near the Ventura County line, downstream of Mayo Spur 305 Comment
  RSA724045  Amaranthus blitum subsp. emarginatus R. E. Riefner 2007-8-3 7 -343 Los Angeles San Dimas, Puddingstone Reservoir, Bonelli Region County Park. 290 Comment
  LA31574  Amaranthus retroflexus Peter H. Raven; Henry J. Thompson 1959-10-14 14637 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, E-end. By borders 220 Comment
  UC468993  Amblyopappus pusillus F. M. Reed 1909-7-2 2812 Los Angeles Pebbly Beach Road; Catalina Island 18 Comment
  CAS-BOT-BC13487  Amblyopappus pusillus F. W. Peirson; Mabel B. Peirson 1922-4-7 1392 Los Angeles San Pedro Comment
  RSA535332  Amblyopappus pusillus Timothy S. Ross 1991-5-20 5348 Los Angeles San Clemente Island: un-named knoll ca 5500 feet S of Wilson Cove Settlement; westernly slope 2500 ft NW of the 750' BM. 186 Comment
  POM308932  Ambrosia acanthicarpa Anonymous 1943-6-22 920 Los Angeles Dalton road, half mile below fork to Tanbark and Glendora road 899 Comment
  RSA533484  Ambrosia confertiflora Timothy S. Ross 1991-3-9 4179 Los Angeles Whittier Hills: SE side of ridgetop knoll, head of Oak Canyon. 369 Comment
  LA91103  Ambrosia psilostachya T. A. Geissman; 1970-8-14 TAG 14870 MD Los Angeles Santa Monica Mountains, Mulholland Dr. at San Diego Frwy 365 Comment
  UCR277186  Ambrosia psilostachya R. G. Swinney 2010-10-5 13967 Los Angeles San Gabriel Mountains, Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center 463 Comment
  RSA93685  Ambrosia psilostachya F. W. Peirson 1919-11-15 1318 Los Angeles East Villa St. near Allen St. Pasadena. Comment
  RSA453132  Amelanchier utahensis Bonnie C. Templeton 1932-5-31 5057 Los Angeles Camp No. 1, Big Pines Recreation Camp, San Gabriel Mountains 1982 Comment
  SFV12555  Ammannia coccinea M. H. Grayum 1977-11-24 882 Los Angeles San Fernando Valley Sepulveda Basin. Field just northwest of junction of Burbank Blvd. and San Diego Freeway. 210 Comment
  RSA415274  Amorpha californica H. L. Bauer 1932-4-25 15361 Los Angeles Near Topango [Topanga] P.O. Comment
Read comments
May 29 2014
  CAS-BOT-BC180644  Amorpha californica var. californica LeRoy Abrams 1902-7-1 2622 Los Angeles Little Santa Anita Canyon Comment
  POM26688  Amorpha californica var. californica George B. Grant 1904-5-19 39 Los Angeles Mt. Wilson Comment
  RSA592819  Amsinckia intermedia Steve Boyd 1996-4-25 8670 Los Angeles Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain., From gate at old inholding boundary near spring area along Forest Service Road 7N22 down to beginning of extensive wetland south of the old dry pastures 915 Comment
  POM3940  Amsinckia intermedia C. N. Carter 1909-6-12 s.n. Los Angeles Claremont. Comment
Read comments
Oct 10 2009
  UC1084574  Amsinckia menziesii var. menziesii Francia Chisaki, Peter M. Ray 1952-5-1 2243 Los Angeles 0.4 mi w of junction of Bouquet Canyon Road (with road to Castaic Junction in Saugus) Comment
  UCR187236  Amsinckia retrorsa A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32206 Los Angeles Tehachapi Mtns. Foothills, hills immediately NW of Quail Lake, vicinity of Benchmark 3562/Quail 1098 Comment
  RSA0091278  Amsinckia spectabilis Emily M. Bradford 1904-3-17 s.n. Los Angeles Redondo Beach. Comment
  UCR223048  Amsinckia tessellata R. G. Swinney 2009-5-5 10647 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.6 mi. southeast of Mt. Emma Rd. crossing 963 Comment
  UCR44429  Amsinckia tessellata B. A. Prigge 1986-3-20 6967 Los Angeles Tehachapi Mtns, 0.4 mi. east of Gorman on Lancaster Road 1128 Comment
  HSC3542  Amsinckia tessellata var. gloriosa David Porter 1965-4-24 Los Angeles 5 mi. W of Newhall on Pico Canyon Rd., Newhall 610 Comment
  RSA639282  Amsinckia tessellata var. tessellata R. F. Thorne 1963-5-15 31670 Los Angeles 1 mile W of Los Angeles Co. line on Route 138, ca. 2 miles W of Desert Springs. 1219 Comment
  RSA648277  Anagallis arvensis Jami Liberi 1983-4-16 21 Los Angeles Located in Claremont, across the street from the San Antonio Dam. 640 Comment
  RSA603279  Andropogon glomeratus var. scabriglumis L. C. Wheeler 1949-10 6755 Los Angeles San Gabriel Mountains: North Fork San Gabriel River, near Bichota Canyon. 686 Comment
  UC566704  Anisocoma acaulis Herbert L. Mason 1926-4-27 3034 Los Angeles Little Rock Creek; Mohave Desert Comment
  UCR155642  Antirrhinum coulterianum A. C. Sanders, T. B. Salvato 2005-4-26 29690 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa 671 Comment
  RSA131027  Antirrhinum kelloggii Percy C. Everett, E. K. Balls 1959-6-2 23847 Los Angeles 1 mile NE of Entrance to Stokes Canyon 229 Comment
  RSA725420  Antirrhinum kelloggii K. Dobry 1992-10-25 d- 1115 Los Angeles Santa Monica Mts. in the City of Westlake at So. end of Las Virgenes Reservoir at So. end of Lindero Cyn. Comment
  SBBG95460  Antirrhinum nuttallianum subsp. subsessile M. B. Dunkle 1928-4-29 1903 Los Angeles Little Harbor Comment
  RSA250648  Aphanes occidentalis Robert F. Thorne 1971-4-2 41417 Los Angeles Johnson's Pasture's, N. of Mountain Avenue, Claremont. 549 Comment
  RSA411822  Aphanisma blitoides Blanche Trask 1901-03 1931 or 1533 Los Angeles On old indian mounds, near Avalon, Santa Catalina Island Comment
  POM147961  Apiastrum angustifolium Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  SD69476  Apiastrum angustifolium Robert F. Thorne 1966-4-6 Los Angeles Santa Catalina Island, dry ridge between White and Moonstone Coves 14 Comment
  RSA151009  Apiastrum angustifolium P. H. Raven 1962-5-7 17584 Los Angeles San Clemente Island, 1 mile south of Wilson Cove 23 Comment
  RSA248891  Apiastrum angustifolium R. F. Thorne 1973-4-12 42895 Los Angeles San Clemente Island, grassy rim of China Canyon just below road to China Point. 244 Comment
  UCR176957  Apocynum cannabinum L. C. Wheeler 1967-7-30 10260 Los Angeles San Gabriel Mtns, Big Cienega Trail Canyon 1143 Comment
  RSA0129312  Arabis gracilipes Seacord s.n. Los Angeles West Mojave Comment
  RSA0095311  Arabis sparsiflora Richard G. Swinney 2011-6-23 15321 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
  LA41460  Arbutus menziesii A. L. Haines; 1937-4-17 sn Los Angeles Santa Anita Canyon 548 Comment
  POM3396  Arbutus menziesii L. Struf 1918-5-19 s.n. Los Angeles Mt Wilson Trail. Comment
  UC1349067  Arctostaphylos catalinae Robert F. Thorne 1966-4-28 36258 Los Angeles Hay Press area Santa Catalina Island 426 Comment
  RSA631211  Arctostaphylos glandulosa Jon E. Keeley, Melanie Baer-Keeley 1992-10-11 21981 Los Angeles Liebre Mountains, 1.5 km east of Bear Campground. 1700 Comment
  RSA712178  Arctostaphylos glandulosa Kerry Knudsen, Rolf Muertter, Teresa Proscewicz 2005-2-10 2372 Los Angeles Los Angeles, Griffith Park, north side of Mt. Hollywood 425 Comment
  SEINET12524573 Image available Arctostaphylos glandulosa M. F. Buell, Helen F. Buell 1961-1 s.n. Los Angeles Saddle peak, Santa Monica mts. 671 Comment
  HSC84052  Arctostaphylos glandulosa subsp. glandulosa David Charlton 1987-1-31 633 Los Angeles Saddle Peak 610 Comment
  RSA584694  Arctostaphylos glandulosa subsp. mollis T. S. Ross 1990-6-8 2974 Los Angeles Upper Big Tujunga Canyon (ca. 0.9-1.4 air miles ENE of Barley Flats). 1280 Comment
  RSA604704  Arctostaphylos glandulosa subsp. mollis L. C. Wheeler 1936-6-19 4156 Los Angeles Tanbark Flats, San Dimas Canyon. 793 Comment
  RSA775524  Arctostaphylos glandulosa subsp. mollis Orlando Mistretta, Christine Mistretta 2010-5-22 5185 Los Angeles Upper Aliso Cyn, about 1.5 miles north of Mill Creek summit. 1311 Comment
  CAS-BOT-BC39344  Arctostaphylos glauca Henry J. Thompson 1959-2-23 1849 Los Angeles Santa Monica Mountains, north side of main crest of mountains, north-west slope of Castro Peak, 594 Comment
  RSA603190  Arctostaphylos glauca L. C. Wheeler 1972-12-20 12780 Los Angeles San Gabriel Mountains: Cow Canyon Saddle 1372 Comment
  RSA631482  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15973 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA631497  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15827 Los Angeles San Gabriel Canyon, Highway 39, 11-12 km north of ORV area. 1100 Comment
  RSA631589  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15959 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA631685  Arctostaphylos glauca Jon E. Keeley 1977-11-5 7012 Los Angeles Stunt Road, several km west of Stunt Ranch. 530 Comment
  UCD51243  Arctostaphylos glauca A. D. Gifford 1934-4-14 117 Los Angeles 2 1/2 miles W. of Simi Pk. 457 Comment
Read comments
May 28 2014
  RSA634348  Arctostaphylos parryana subsp. parryana Jon E. Keeley 1979-6-14 7413 Los Angeles Angeles Crest Highway about 1.3 km east of Singing Pines turnoff. 2000 Comment
  RSA634702  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20313 Los Angeles Road to Mt. Gleason, 3.7 km west of Mill Creek Summit, San Gabriel Mtns. 1665 Comment
  RSA634757  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22016 Los Angeles Dirt road between Chilao and Mill Creek Summit, 2.7 km E of turnoff to Pacifico Mtn., San Gabriel Mtns. 1825 Comment
  RSA634861  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20546 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA634876  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20224 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA634923  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20535 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA635068  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20568 Los Angeles Road to Sulphur Springs Cpgrd., 4 km N of Angeles Crest Hwy, N of Chilao Cpgrd. San Gabriel Mtns. 1840 Comment
  RSA635165  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22041 Los Angeles Dirt road between Chilao and Mill Creek Summit, 2.7 km E of turnoff to Pacifico Mtn., San Gabriel Mtns. 1825 Comment
  RSA729316  Arctostaphylos patula R. G. Swinney 1998-7-2 6227 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  UC1181380  Arctostaphylos patula Peter Kamb 1947-6-13 604 Los Angeles e slope Mount San Antonio Comment
  UCR202518  Arctostaphylos patula R. G. Swinney 2001-8-9 8019 Los Angeles San Gabriel Mtns., Mount Williamson, third peak from east on the ridge 2513 Comment
  RSA519264  Arenaria macradenia var. arcuifolia S. J. Myers 1989-4-28 s.n. Los Angeles Palmdale area, Elizabeth Lake Road at California Aqueduct. 884 Comment
  UCR193462  Argemone munita R. G. Swinney 1999-6-5 7275 Los Angeles San Gabriel Mtns., western end of ridge extending from Big John Peak, above Big John Flat 1793 Comment
  UCSB2121  Argemone munita Wedberg, H. 1958-7-3 Los Angeles Crystal Lake, San Gabriel Mtns. 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
  CAS-BOT-BC137669  Aristida adscensionis L. R. Abrams; I. L. Wiggins 1931-7-6 364 Los Angeles San Clemente Island. Vicinity of Mosquito Harbor. Comment
  JEPS26139  Artemisia californica Peter H. Raven 1959-2-15 13782 Los Angeles 2.6 m north of Sunset Boulevard; Santa Monica Mountains, Beverly Glen Canyon 213 Comment
  SBBG109148  Artemisia californica S. A. Junak 1997-10-20 SCl 968 Los Angeles coastal slopes just S of southernmost cyn in Bryce Cyn complex Comment
  SBBG95457  Artemisia californica M. B. Dunkle 1928-10-14 2015 Los Angeles Renton Mine Comment
  RSA128010  Artemisia douglasiana Peter H. Raven, Henry J. Thompson 1959-10-18 14661 Los Angeles Mouth of Topanga Canyon, Santa Monica Mountains. 5 Comment
  UC1587562  Artemisia douglasiana Tim Ross and Annette H. Ross 1991-9-7 5958 Los Angeles near Yerba Buena Road <crossing> Mulholland Highway; Santa Monica Mountains Comment
  JEPS36952  Artemisia ludoviciana subsp. incompta Joseph Andorfer Ewan 1936-8-9 10020 Los Angeles s end Blue Ridge (Guffy's Spring); San Gabriel Mountains 2560 Comment
  UC1119473  Artemisia tridentata subsp. tridentata A. Lewis 1933-5-1 201 Los Angeles Spunky Canyon Los Angeles National Forest, Elizabeth Lake Quadrangle, Spun Comment
  UC22957  Asclepias californica J. H. Barber 1897-7-6 246 Los Angeles Mt. Gleason San Gabriel Range Comment
  RSA0040205  Asclepias californica Orlando Mistretta 1992-5-16 4 Los Angeles Vicinity of Big Pines; head of Swarthout Valley; Mountain High Ski area Comment
  UCD121230  Asclepias californica Louis C. Wheeler 1946-8-24 6244 Los Angeles San Gabriel Mountains: Wawona Lodge (site) adjacent to Crystal Lake. 1699 Comment
  SEINET10637036  Asclepias fascicularis Victor Duran 1933-8-11 Duran 3547 Los Angeles South Fork Big Rock Creek, San Gabriel Mts. 1524 Comment
  RSA0108549  Asparagus officinalis Hester Jewell 1912-6-12 79 Los Angeles Claremont Comment
  CAS-BOT-BC68854  Aspidotis californica Ethel, Miss Graves 1900-3-1 s.n. Los Angeles Millards Canyon Comment
  RSA535544  Aspidotis californica T. S. Ross, Annette Ross 1991-9-7 5955 Los Angeles Santa Monica Mountains: near Mulholland Highway x Yerba Buena Road. 402 Comment
  RSA609123  Aspidotis californica L. C. Wheeler 1968-8-22 s.n. Los Angeles San Gabriel Mountains: Water Canyon. 579 Comment
  RSA549234  Aster subulatus var. ligulatus Scott D. White 1992-10-9 947 Los Angeles Malibu, base of Santa Monica Mountains, just N of Pacific Coast Highway, extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School. 91 Comment
  UCR99512  Aster subulatus var. ligulatus Steve Boyd, Lauren Raz 1996-10-14 9085 Los Angeles Liebre Mtns., SW end of Quail Lake, in seasonally flooded depression on south side of Hwy 138. 1021 Comment
  RSA618696  Astragalus didymocarpus var. dispermus Scott D. White, Sandy Leatherman 1998-5-19 6512 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, between 1-5 fwy./ Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  UCSB33623  Astragalus douglasii Griesel, Wesley 1962-6-7 Los Angeles Big Pines, San Gabriel Mts. 1066 Comment
  RSA0087101  Astragalus gambelianus Steven A. Junak 2001-5-4 SCa- 1489 Los Angeles Santa Catalina Island. SE of beach at Parson's Landing. 121 Comment
  CAS-BOT-BC187096  Astragalus lentiginosus var. borreganus A. D. E. Elmer 1902-6-1 3641 Los Angeles Palmdale Comment
  RSA733162  Astragalus leucolobus R. G. Swinney 1997-6-13 5595 Los Angeles San Gabriel Mtns: ridge NE of Table Mountain (pk. 7473), ca. 0.4 mi. W of San Bernardino Co. line. 2195 Comment
  RSA415609  Astragalus miguelensis F. H. Elmore 1939-11-24 3 -82 Los Angeles Northwest Harbor of San Clemente Island. Comment
  CAS-BOT-BC186461  Astragalus nevinii J. Von Loh 1978-1-3 3286 Los Angeles San Clemente Island 365 Comment
  POM228224  Astragalus nevinii Joseph Cook Nevin, Lyon 1885-04 s.n. Los Angeles San Clemente Island Comment
  UCD105260  Astragalus purshii var. tinctus J. M. Tucker 1962-4-18 3622 Los Angeles Adjacent to the wash, Oso Canyon, Tehachapi Mountains. 975 Comment
  UCR280639  Astragalus trichopodus Mike Misenhelter 2017-4-18 s.n. Los Angeles Los Angeles Basin; Puente Hills, edge of Rose Hills Cemetery, off Workman Mill Rd. near Puente Hills Landfill and Rio Hondo College 274 Comment
  UCR58306  Astragalus trichopodus J. A. Adams 1963-4-25 11 Los Angeles San Jose Hills, Diamond Bar Ranch. 305 Comment
  CATA571  Astragalus trichopodus var. lonchus Mark L. Hoefs 1991-3-19 1003 Los Angeles Santa Catalina Island: Airport road 463 Comment
  RSA0040084  Astragalus trichopodus var. lonchus Thomas R. Huggins, Barry A. Prigge 2014-4-28 14 -044 Los Angeles Santa Monica Mountains, Malibu. Pacific Coast Highway, approximately 0.1 miles W of Decker Rd. 31 Comment
  RSA415740  Astragalus trichopodus var. lonchus A. Menke 1955-3-26 s.n. Los Angeles Point Dume. Comment
  UCSB3002  Astragalus trichopodus var. lonchus McElwain, Isabelle 1953-5-2 Los Angeles White's landing, large valley behind, Catalina Island Comment
  CAS-BOT-BC199097  Astragalus trichopodus var. phoxus Alice Eastwood 1906-6-5 249 Los Angeles Roscoe, country adjacent to Los Angeles Comment
  HSC14542  Astragalus trichopodus var. phoxus David Porter 1965-4-29 Los Angeles .5 mi. N of Topanga Canyon, Santa Monica Mtn. 412 Comment
  RSA131032  Astragalus trichopodus var. phoxus Percy C. Everett, E. K. Balls 1959-6-2 23844 Los Angeles 1 miles NE of entrance of Stokes Canyon, Santa Monica Mountains. 183 Comment
  SBBG114308  Atriplex argentea var. expansa M. R. Benedict 1971-6-26 Los Angeles low terrace 0.5 mi S of Wilson Cove Comment
  UC407299  Atriplex argentea var. mohavensis LeRoy Abrams 1902-8-22 2968 Los Angeles low ground near Mesmer; near Mesmer Comment
  UCD97272  Atriplex californica Daryl Koutnik 1978-4-28 412 Los Angeles Zuma Beach at Point Dume. 45 Comment
  UC7056  Atriplex canescens J. Burtt Davy May 9 1896-May 24 1896 2286 Los Angeles Lancaster Antelope Valley, Lancaster Comment
  LA200971  Atriplex coulteri Carl Wishner; 1998-11-30 3176 1 Los Angeles 75.0 Comment
  RSA0115862  Atriplex coulteri Steven A. Junak 1999-6-5 SCa- 891 Los Angeles Santa Catalina Island. Just below ridgetop of island's main divide. 152 Comment
  POM184498  Atriplex johnstonii P. A. Munz 1932-8-31 12817 Los Angeles Playa Del Rey Comment
  CAS-BOT-BC170105  Atriplex lentiformis Dr. H. E. Hasse 1889-8-1 s.n. Los Angeles Bluffs at Santa Monica Comment
  SBBG98641  Atriplex leucophylla T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5088 Los Angeles coastal terrace at West Cove, SW of new landing field 6 Comment
  CAS-BOT-BC180903  Atriplex nummularia Carl B. Wolf 1934-6-9 5740 Los Angeles Playa del Rey, 10 m. W of Vista del Mar St. & 2.5 meters so. of no. curb of Freeman St. 30 Comment
  SBBG105331  Atriplex pacifica H. L. Ferguson 1981-4-10 221 Los Angeles just S of Eel Pt on first exposed terrace 3 Comment
  SBBG72566  Atriplex polycarpa R. Hoffmann 1927-9-23 Los Angeles Lancaster Comment
  POM122828  Atriplex semibaccata Marcus E. Jones 1926-9-9 s.n. Los Angeles San Clemente Island. Comment
  RSA453958  Atriplex semibaccata Gertrude Dunn 1930-10-9 s.n. Los Angeles Huntington Beach, 1/2 mile east of beach Comment
  SEINET11940379  Atriplex semibaccata J. F. Bright, Wyman, C. 1931-1 5736 Los Angeles Hollywood Comment
  CAS-BOT-BC176744  Atriplex serenana var. serenana A. D. E. Elmer 1902-6-1 3984 Los Angeles Lancaster Comment
  UCR214671  Avena barbata A. C. Sanders, Dan S. Cooper 2010-4-30 38152 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  CATA673  Avena fatua Mark L. Hoefs 1991-4-23 1164 Los Angeles Santa Catalina Island: Around upper White's Landing Road 451 Comment
  RSA385392  Avena fatua George B. Grant 1905-4-30 747 Los Angeles Pasadena. Comment
  RSA652562  Baccharis glutinosa R. Danborn 1948-2-22 s.n. Los Angeles Padua Hills N. of Claremont Comment
  RSA599739  Baccharis pilularis L. C. Wheeler 1967-11-18 s.n. Los Angeles Liebre Mountain: Barrel Springs. 899 Comment
  UCSC000768  Baccharis pilularis Greg Gilbert 2004-3-26 s.n. Los Angeles 6.5 mi. E.S.E. of Whitaker Pk. Whitaker Pk. - Tejon Comment
  CAS-BOT-BC482463  Baccharis salicifolia R. G. Swinney 2010-4-30 12463 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, 0.67 mi E of Wilson Cyn. Debris Basin on S side of the ridge S of the southern of the two eastern forks of Wilson Cyn 616 Comment
  POM306259  Baccharis salicifolia Henry J. Ramsey, Henry J. Ramsey 1938-1-2 1419 Los Angeles North Craig Ave., Altadena. Comment
  POM42048  Baccharis salicifolia Marcus E. Jones 1924-2-15 s.n. Los Angeles San Antonio Canyon, Claremont. Comment
  RSA127873  Baccharis salicifolia Peter H. Raven 1959-2-15 13792 Los Angeles Franklin Canyon 2.3 miles south of Mulholland Drive. 290 Comment
  UCR131427  Baccharis salicifolia Alison Lipman 1998-5-3 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
  UCD129478  Baccharis salicifolia subsp. salicifolia Gordon Pilone 1960-4-21 13 Los Angeles Little Dalton Canyon above Glendora. San Gabriel Mountain Range. 365 Comment
  UCR179609  Baccharis salicina R. G. Swinney 1992-11-11 1982 Los Angeles San Gabriel Mtns., Glendora, Little Dalton Canyon Debris Basin, on Colby-Dalton Trail 366 Comment
  RSA0082914  Bassia hyssopifolia Michael J. Moore, Hilda Flores Olvera, Helga Ochoterena, Ya Yang, Tommy Stoughton 2015-5-30 3134 Los Angeles Abalone Cove Reserve, Palos Verdes Nature Preserve. Immediately above beach at foot of cliff. 2 Comment
  SBBG54245  Bassia hyssopifolia F. C. Boutin 1967-4-23 1632 Los Angeles N end of island at W end of air field runway Comment
  RSA0048465  Beloperone guttata Unspecified 1968-5-14 s.n. Los Angeles Van Nuys. 243 Comment
  UCR110099  Berberis nevinii G. D. Wallace, S. Eliason 1998-2-20 s.n. Los Angeles San Gabriel Mtns., Lopez Canyon north of San Fernando, Angeles National Forest. 457 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
  UCD129558  Bidens pilosa Collector Unknown 1923-3-18 305 Los Angeles Eaton Canyon. Comment
  UC2026458  Bidens pilosa var. pilosa Louis C. Wheeler 1966-10-25 9074 Los Angeles SAN GABRIEL MOUNTAINS: E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  RSA155807  Bituminaria bituminosa P. A. Munz 1962-5-29 24319 Los Angeles lower Millard Canyon near fire road 610 Comment
  RSA683192  Bituminaria bituminosa Scott D. White 2003-10-14 9827 Los Angeles Foothills above Sierra Madre; LA Dept. of Public Works Auburn debris basin, above the north terminus of Auburn Ave. (Mt. Wilson) 396 Comment
  UC200808  Bloomeria crocea Katharine Brandegee Los Angeles Santa Catalina Island Comment
  POM308892  Bloomeria crocea Kay H. Beach 1942-5-29 626 Los Angeles Near water tank above the San Dimas SRE. San Dimas Experimental Forest, U.S. Forest Dept. Comment
  SEINET8193929  Bloomeria crocea G. B. Grant 1904-1 114 Los Angeles Pasadena. Comment
  RSA367447  Bloomeria crocea var. crocea H. L. Bauer 1932-6-1 16810 Los Angeles Santa Monica Mountains. Near Saddle Peak. Comment
  SD21562  Bloomeria crocea var. crocea Norman E. Bilderback 1938-4-23 Los Angeles Catalina Harbor, Catalina. Comment
  RSA0125911  Boechera Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3959 Los Angeles Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W., (West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10) 1390 Comment
  RSA735249  Boechera arcuata Steve Boyd, Amber Maurice 2004-5-18 11343 Los Angeles Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain. 610 Comment
  UCD169667  Bolboschoenus robustus Louis C. Wheeler 1967-9-18 s.n. Los Angeles Los Angeles River at Los Feliz Blvd. 116 Comment
  UCR141713  Boschniakia strobilacea R. G. Swinney 1997-8-19 5830 Los Angeles Eastern San Gabriel Mountains, San Antonio Peak (= Lookout Mountain), about 100 m N of summit on ridge saddle. 1994 Comment
  RSA187948  Bothriochloa barbinodis R. F. Thorne 1966-4-28 36196 Los Angeles Santa Catalina Island: Renton Mine Road, E end island 152 Comment
  CAS-BOT-BC95424  Bowlesia incana P. A. Munz; Street; Williams 1919-3-15 2398 Los Angeles South Hills, Pomona Comment
  RSA656077  Bowlesia incana James Henrickson 1985-3-30 19756 Los Angeles Ca. 3 air mi. NNW of Newhall in proposed North Hills development just north of Santa Clara River and just E of San Francisquito Creek. 370 Comment
  RSA583775  Bowlesia incana R. G. Swinney 1993-3-23 2100 Los Angeles south hills, Toyon Nature Center 305 Comment
  RSA604916  Bowlesia incana L. C. Wheeler 1965-5-16 8704 Los Angeles Liebre Mountain: Ravine S of Two Shay Ranch, Bouquet Canyon. Comment
  RSA737146  Boykinia rotundifolia Scott D. White, Justin M. Wood 2008-10-7 12552 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, between Bear Creek and Rincon Red Box Rd. 549 Comment
  UCR194587  Boykinia rotundifolia R. G. Swinney 1998-7-24 6568 Los Angeles San Gabriel Mtns., upper Fish Fork of San Gabriel River 1585 Comment
  SBBG40945  Brachypodium distachyon P. H. Raven 1962-5-20 Los Angeles above Pebbly Beach 60 Comment
  RSA0087233  Brassica geniculata R. G. Swinney 2010-4-23 12336 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  UCR259547  Brassica geniculata R. G. Swinney 2010-9-7 13695 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  UCR280566  Brassica geniculata R. G. Swinney 2014-5-13 16484 Los Angeles San Gabriel Mountains, Glendora, west fork of Hook Cyn., c. 0.4 km north of Sierra Madre Av., 100-300 m west of entrance to Church of the Open Door, Colby Fire burn of Jan. 2014 354 Comment
  CDA3637  Brassica nigra L. C. Wheeler 1967-5-18 9654 Los Angeles San Gabriel Mtns., divide between Reynier and Placerita Canyon Comment
  PASA390  Brassica nigra Mary Hall 1939-4-28 Los Angeles Claremont Comment
  SD31168  Brassica rapa Edith A. Purer 1931-2-21 Los Angeles Palos Verdes Hills Comment
  CHSC99227  Brickellia californica John Dittes 2006-11-3 1427 Los Angeles Western Transverse Ranges; San Gabriel Mtns; Big Tujunga Cyn; ca. 2.7 air-miles S of Mt. McKinley, ca. 3.8 air-miles W of Big Tujunga Reservoir, ca. 3.6 air-miles NE of Mt. Gleason Jr. Highschool; rocky edge of flooplain of Big Tujunga Creek near Delta Flat Picnic Area. 512 Comment
  LA203091  Brickellia californica Joseph Andorfer Ewan; 1930-10-22 3433 Los Angeles Bouquet Canyon, 5 mi. above of mouth Comment
  RSA640038  Brickellia californica Steven A. Junak 1996-10-2 703 Los Angeles San Clemente Island. W side of island, in lower portion of Horse Canyon. Localized; W facing slope and cnayon botom. 30 Comment
  POM187682  Brickellia nevinii Joseph A. Ewan 1930-10-10 3534 Los Angeles along Sturtevant Trail. 610 Comment
  RSA0115260  Brickellia nevinii Richard G. Swinney 2010-10-5 13958 Los Angeles San Gabriel Mountains: Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center. 463 Comment
  SBBG105556  Bromus carinatus T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5070 Los Angeles lower Wilson Cyn; rocky draw SW of and above pier operations 15 Comment
  SD31189  Bromus carinatus Edith A. Purer 1931-3-20 953 Los Angeles Palos Verdes Hills; hillsides Comment
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Jul 11 2010
  SD31219  Bromus carinatus Edith A. Purer 1931-4-28 1768 Los Angeles Palos Verdes Hills, along roadside Comment
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Jul 11 2010
  RSA547454  Bromus carinatus var. carinatus Timothy S. Ross 1992-5-17 6385 Los Angeles San Gabriel Mountains: E Fork of the San Gabriel River; about 145 meters SSE of the mouth of Shoemaker Canyon. Comment
  RSA601329  Bromus carinatus var. carinatus Steve Boyd, Lauren Raz 1997-6-17 9953 Los Angeles Liebre Mountains region: Upper northeastern flank of Burnt Peak, head of Fish Canyon watershead along Forest Service Road 7N23A. 1646 Comment
  SD237260  Bromus catharticus R. G. Swinney 2009-4-13 10314 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: San Gabriel River under the Puente Largo railway bridge, .5 mi north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte. 184 Comment
  UCSB337  Bromus catharticus B., K. 1943-3-31 Los Angeles Lysimeters at Tanbark Flat, San Dimas Experimental Forest; San Gabriel Mtns 822 Comment
  CATA1056  Bromus diandrus Mark L. Hoefs 1995-5-10 1989 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail, above #7 tee of golf course 97 Comment
  SBBG128328  Bromus diandrus M. L. Hoefs 1991-4-8 1079 Los Angeles side cyn (Rattlesnake Cyn) of upper Avalon Cyn 146 Comment
  SBBG17975  Bromus diandrus E. R. Blakley 1963-4-10 5605 Los Angeles 1 mi S of Avalon 30 Comment
  CHSC95424  Bromus grandis LeRoy Gross; Valerie Soza 2001-6-6 430 Los Angeles Los Angeles Basin region: Verdugo Mountains Region: north side; Hostetter Mountain Way, off of La Tuna Canyon Road. 671 Comment
  CAS-BOT-BC175268  Bromus hordeaceus Tim Ross; Steve Boyd 1993-5-23 7234 Los Angeles NW Los Angeles Co.; Lower easterly ridge of Red Mtn, on northerly slope ca 380 m SE of the saddle between Ruby and Clearwater Canyons 966 Comment
  RSA0089141  Bromus hordeaceus R. G. Swinney 2010-5-7 12597 Los Angeles Lake View Terrace, Oliver Canyon, 0.85 air miles north of I-210 Fwy., c. 100 meters east of cyn. bottom along private dirt service rd. 463 Comment
  RSA659753  Bromus hordeaceus Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-3 73 Los Angeles San Clemente Island. Comment
  RSA708551  Bromus hordeaceus Valerie L. Soza, LeRoy Gross 2001-5-9 1195 -c Los Angeles Southern San Rafael Hills: South of mouth of Scholl Canyon, West end of Valle Vista fire road, ridgetop north of Hwy 134. 274 Comment
  UCD58713  Bromus hordeaceus Frank W. Gould 1944-4-12 2283 Los Angeles 120th Street near Western Avenue. Comment
  UCR144157  Bromus madritensis subsp. madritensis Scott D. White 1997-5-8 5095 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Canyon: north of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir 427 Comment
  CATA1182  Bromus madritensis subsp. rubens Mark L. Hoefs 1995-5-30 2183 Los Angeles Santa Catalina Island: Near Ben Weston Road 30 Comment
  UC1109372  Bromus madritensis subsp. rubens Peter H. Raven 1962-4-9 17146 Los Angeles San Clemente Island, Wilson Cove, near barracks Wilson Cove; San Clemente Island, Wilson Cove 60 Comment
  POM50875  Bromus pseudolaevipes Le Roy Abrams 1901-06 1704 Los Angeles Santa Monica Mountains, Saddle Peak. Comment
  LA13824  Bromus rubens Carl Epling; May 1925 sn Los Angeles Arroyo Seco Comment
  POM363938  Bromus rubens Anstruther Davidson 1917-04 3229 Los Angeles E. Los Angeles. Comment
  OBI35716  Bromus sterilis Rebecca Cicoria 1981-4-23 1 Los Angeles Palos Verdes Peninsula: in Upper Altamira Cyn, Rolling hIlls Comment
  RSA0095249  Bromus tectorum R. G. Swinney 2011-6-20 15225 Los Angeles San Gabriel Mountains: Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail 1567 Comment
  UCR223388  Bromus tectorum R. G. Swinney 2009-5-27 10860 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  UCR92087  Bromus tectorum Scott D. White 1996-4-21 3936 Los Angeles Geneva Ave., north of San Jose, south of Arrow Hwy, west of Indian Hill Blvd., east of Towne Ave. 323 Comment
  CATA152  Cakile maritima Mark L. Hoefs, A. Douglas Propst 1973-3-14 116 Los Angeles Santa Catalina Island: West side of White's Landing, on beach 15 Comment
  HSC6606  Cakile maritima Jack Rockwell 1962-4-18 32 Los Angeles 2 mi. S of Playa Del Rey Comment
  SD52835  Cakile maritima Peter H. Raven 1962-4-11 17294 Los Angeles San Clemente Island; sandy beach behind Northwest Harbor. 7 Comment
  RSA466531  Calandrinia ciliata L. C. Wheeler 1932-3-20 510 Los Angeles Head Mandeville Canyon. 457 Comment
  SD197895  Calandrinia ciliata R. G. Swinney 2008-4-16 8677 Los Angeles San Dimas, Spring Canyon, north end between east and west forks of canyon. 392 Comment
  RSA466544  Calandrinia ciliata M. B. Dunkle 1939-4-6 7314 Los Angeles Mosquito Ridge, San Clemente Island Comment
  UC1922247  Calocedrus decurrens Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1348 Los Angeles Transverse Ranges; Verdugo Mountains region; Near intersection of La Tuna Canyon and Las Barras Canyon at lower end of Hostetter Mtwy. 473 Comment
  SEINET4044452  Calochortus D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. Pt. Mugu State Park. 30 Comment
  RSA377248  Calochortus albus J. Aug Kusche 1922-05 s.n. Los Angeles Wooded slopes and canyons, Mohave Desert. Comment
  LA22345  Calochortus catalinae Mary Reynolds; 1937-4-29 152 Los Angeles Highland Park Comment
  POM254455  Calochortus catalinae Bonnie C. Templeton 1939-4-19 4587 Los Angeles Huntington Palisades, Santa Monica Mountains Comment
  RSA377298  Calochortus catalinae I. W. Clokey, E. G. Anderson 1935-5-9 6545 Los Angeles Puddingstone Dam Comment
  IRVC27979  Calochortus clavatus A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26132 Los Angeles Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam Western San Gabriel Mtns. 488 Comment
  JEPS85104 Image available Calochortus clavatus Roy E. Buck and Rexford Palmer 1989-4-28 1223 Los Angeles ca 1.1 air km ene Pyramid Rock summit (22 air km nw of Castaic, between Interstate 5 and Pyramid Dam, on crest of n-s-extending spur ridge, e of small draining cyn s of Posey Cyn) 914 Comment
  UC3402  Calochortus kennedyi A. Davidson Jul 1895 Los Angeles Antelope Valley Comment
  CAS-BOT-BC132487  Calochortus plummerae Marcus E. Jones 1926-6-2 s.n. Los Angeles Claremont Comment
  SBBG51310  Calochortus splendens J. Doty 1969-5-16 670 Los Angeles Elizabeth Lake Cyn, 1.4 mi N of jct with Violin Cyn Rd, 7.7 mi N of Castaic Jct 396 Comment
  JEPS108273  Calochortus striatus David Gowen 2005-5-11 310 Los Angeles HWY 138 (West Ave. D) west of Lancaster. NE corner of intersection with 40th Street W. Comment
  SJSU2494  Calyptridium monandrum H. L. Buckalew 1962-4-19 Los Angeles on Hwy 138 midway between Little Rock & Victorville Comment
  RSA422194  Calystegia macrostegia subsp. amplissima Reid V. Moran 1941-2-19 593 Los Angeles Middle Ranch, San Clemente Island. 500 Comment
  RSA0106491  Calystegia macrostegia subsp. arida R. G. Swinney 2011-3-18 14155 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail. 366 Comment
  POM219991  Calystegia macrostegia subsp. intermedia F. R. Fosberg 1932-5-6 8124 Los Angeles Big Wash Canyon, Avalon, Santa Catalina Island. 60 Comment
  RSA188206  Calystegia macrostegia subsp. intermedia R. F. Thorne, P. C. Everett, K. Thorne 1965-6-22 34882 Los Angeles Santa Catalina Island: rocky slope along new road along East Mountain, S end of Island 457 Comment
  RSA71099  Calystegia macrostegia subsp. intermedia F. W. Peirson 1920-4-22 151 Los Angeles foothills east of Rubio Canyon 533 Comment
  RSA177832  Calystegia macrostegia subsp. macrostegia R. F. Thorne, P. C. Everett, K. Thorne 1965-5-10 34466 Los Angeles Santa Catalina Island: N slope of Black Jack Mountain. 457 Comment
  SFV6255  Calystegia malacophylla M. H. Grayum, B. Hannum 1974-5-30 s. n. Los Angeles Santa Susana Mountains Just up hill from first hairpin beyond junction with Brown's Canyon Road on road to summit of Oat Mountain. 1113 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
  UCR259597  Calystegia peirsonii R. G. Swinney 2010-6-8 13177 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 1.0-1.8 miles east of nature center along Placerita Cyn. Trail, south side of stream 549 Comment
  SBBG19047  Calystegia purpurata D. Emery 1947-4-5 Los Angeles Griffith Park Comment
  UC557671  Calystegia soldanella Nell Murbarger May, 1936 209 Los Angeles extreme n end San Clemente Island; extreme n end San Clemente Island Comment
  RSA549912  Camissonia Peter L. Morrell, Orlando Mistretta, L. Arsneth 1992-4-4 123 Los Angeles San Clemente Island. WNW-facing slope, approx. 2 km SSW of Wilson Cove on W Side of Island. 20 Comment
  RSA652376  Camissonia T. Sargent 1959-5-18 s.n. Los Angeles Rio Hondo Wash N. of [Hwy] 99. Comment
  SEINET1907235  Camissonia boothii A. C. Sanders 2003-1 26994 Los Angeles Western Transverse Range/Santa Clara River Watershed: ''Off-haul Canyon'' between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and ca. 1 km NNW of Mayo Spur. 305 Comment
  UCR113673  Camissonia boothii subsp. decorticans L. C. Wheeler 1973-5-6 s.n. Los Angeles San Gabriel Mtns, Between Little Tujunga and Oliver Canyons 556 Comment
  IRVC29641  Camissonia californica A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26210 Los Angeles Castaic Valley at west foot of Castaic Mesa, Newhall Ranch Western San Gabriel Mtns. 366 Comment
  RSA586990  Camissonia campestris subsp. campestris Orlando Mistretta 1992-5-8 306 Los Angeles San Gabriel Mountains: Little Rock Creek, slopes E of Little Rock Creek Reservoir. 1159 Comment
  RSA659932  Camissonia campestris subsp. campestris Orlando Mistretta 1992-5-18 332 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  UCR17892  Camissonia cheiranthifolia subsp. suffruticosa Edith A. Purer, Freda Detmers 1931-3-2 s.n. Los Angeles El Segundo Sand Dunes Comment
  UCR194024  Camissonia claviformis R. G. Swinney 1999-6-5 7255 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  RSA225751  Camissonia hirtella Robert F. Thorne, A. C. Gibson 1971-5-22 39716 Los Angeles San Gabriel Mountains: Near mouth of Fish Canyon. 244 Comment
  UCR114178  Camissonia hirtella A. C. Sanders, D. Malueg 1998-6-24 22085 Los Angeles San Gabriel Mtns., 2 miles east of Mt. Gleason at Little Gleason Forestry Plantation, on So. Cal. Edison Mesa-Vincent transmission line at tower 7-2 1707 Comment
  RSA454085  Camissonia lewisii Anstruther Davidson 1901-4-20 1755 Los Angeles Hollywood, Cal. Comment
  HSC16498  Camissonia micrantha David Porter 1965-4-27 Los Angeles 1/2 mi. N of Topanga Canyon Blvd., Topanga Canyon, Santa Monica Mtns. 412 Comment
  UCR200117  Camissonia micrantha Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 786 Los Angeles Verdugo Mountains, south side'', Verdugo Mountains, south side: Stough Canyon, Stough Park, above parking lot southwest of intersection of Walnut Avenue and Lockheed View Drive, west of De Bell Municipal Golf Course, southeast of Starlight Theater 396 Comment
  UCR206529  Camissonia micrantha A. C. Sanders, T. B. Salvato 2009-5-20 36856 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
  POM126851  Camissonia pallida subsp. pallida Jos. Burtt Davy 1896-05 2529 Los Angeles Antelope Valley. Comment
  RSA229739  Camissonia pallida subsp. pallida Wesley O. Griesel 1963-5-26 790 Los Angeles Near Mile High Ranch, Road to Big Pines. San Gabriel Mts. 1677 Comment
  UC54697  Camissonia strigulosa L. A. Greata May 1903 323 Los Angeles Arroyo Seco Los Angeles Comment
  RSA0116483  Camissoniopsis R. G. Swinney 2010-5-25 12948 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  LA46697  Camissoniopsis bistorta Elizabeth Levine; sn Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  UC520029  Camissoniopsis bistorta Joseph Andorfer Ewan 1932-5-19 7395 Los Angeles along base of hills near power house; Playa del Rey Comment
  UCR273150  Camissoniopsis hirtella R. G. Swinney 2011-5-6 14610 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
  SFV16881  Camissoniopsis intermedia J. N. Hogue, B. Houck, B. Kanno 1997-6-18 84 .5 Los Angeles San Gabriel Mountains Gleason Canyon, near Mount Gleason. Roadside. 1700 Comment
  RSA0112769  Camissoniopsis micrantha R. G. Swinney 2011-3-29 14242 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
  UC1871238  Camissoniopsis pallida subsp. pallida T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4948 Los Angeles Transverse Ranges; Liebre Mountains region; Soledad Canyon Wash: about half mile E of Acton; T5N R13W, W1/2 SE1/4 SE1/4 section 36; elevation 2720 feet. 829 Comment
  CAS-BOT-BC37468  Cardamine californica George B. Grant 1901-4-14 5724 Los Angeles Arroyo Seco Canyon. Comment
  UC855941  Cardamine californica I. W. Clokey, E. G. Anderson 1935-5-9 6649 Los Angeles San Dimas Canyon Comment
  RSA484616  Cardamine californica var. integrifolia Blanche Trask 1897-03 s.n. Los Angeles Avalon, Catalina island Comment
  UCR64286  Cardamine debilis Harry Spilman 1988-3-12 s.n. Los Angeles From potted plants at Theodore Payne Nursery, Sun Valley 310 Comment
  CAS-BOT-BC37898  Cardamine oligosperma H. E. Hasse 1908-3-1 s.n. Los Angeles Santa Monica Range. Topanga Canyon. Comment
  UCR219553  Carduus pycnocephalus R. G. Swinney 2009-3-31 10221 Los Angeles Transverse Range; San Gabriel Mtns., mouth of San Gabriel Canyon, 0.7-1.2 mi. north and NE of Foothill Blvd, Azusa/Duarte 213 Comment
  UCR259381  Carduus pycnocephalus R. G. Swinney 2010-4-20 12275 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCR194180  Carex R. G. Swinney 1998-7-29 6526 Los Angeles San Gabriel Mtns., Dawson Peak Ridge (west side), at spring on NNW facing slope, c. 100 m above canyon bottom, c. 0.5 mi. NE of Upper Fish Fork Camp 2110 Comment
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Sep 12 2018
  UCR271255  Carex R. G. Swinney 2011-5-12 14697 Los Angeles San Gabriel Mountains, Aliso Canyon Creek, 50-100 m west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy, west of mouth of Cabin Canyon Creek 1183 Comment
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Sep 12 2018
  UCR277389  Carex R. G. Swinney 2011-10-13 15783 Los Angeles San Gabriel Mountains, Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek 1573 Comment
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Sep 12 2018
  RSA603207  Carex alma L. C. Wheeler 1954-9-1 7084 Los Angeles San Gabriel Mountains: Little Rock Creek, ca. 1 mile downstream from Cooper Creek. Comment
  RSA776491  Carex alma LeRoy Gross, Jane Tirrell 2011-7-20 5529 Los Angeles Spring, along Angeles Crest Highway, north of Lily Spring. Near 2287 Comment
  UCR270846  Carex alma R. G. Swinney 2011-6-29 15358 Los Angeles San Gabriel Mountains, Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  POM184717  Carex alma Joseph A. Ewan 1932-5-29 7209 Los Angeles Mount Gleason 1737 Comment
  SEINET11629422  Carex alma C. V. Braun 1975-1 144 Los Angeles 1.4 mi N NW of Drinkwater Reservoir, San Francisquito Canyon Comment
  SEINET7549358 Image available Carex alma Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-11 3001 Los Angeles San Gabriel Mountains. Big Rock Creek: just above the confluence of Holcomb Canyon Creek, between Big Rock Creek Road and the mouth of Holcomb Canyon. 1254 Comment
  UCR269124  Carex fracta Orlando Mistretta, Christine Mistretta 2011-6-23 5728 Los Angeles San Gabriel Mountains, Aliso Canyon drainage, near head of Gleason canyon, west of the junction of Forest Service Road 4N24 1679 Comment
  RSA88842  Carex fracta Joseph A. Ewan 1936-7-22 9816 Los Angeles above Big Pines 2286 Comment
  JEPS48985  Carex heteroneura var. heteroneura F. R. Fosberg and J. A. Ewan 1931-8-12 4972 Los Angeles Mount Islip 2286 Comment
  RSA729561  Carex pellita R. G. Swinney 1999-7-5 7498 Los Angeles San Gabriel Mtns.:head of Cedar Canyon, meadow on north side of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2. 2037 Comment
  RSA601841  Carex praegracilis Steve Boyd 1996-4-25 8695 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
  RSA583073  Carex triquetra Timothy S. Ross 1993-4-22 6908 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); 885 m due N of Cactus Peak summit; northerly slope draining to middle Bullrush Canyon. 289 Comment
  POM71680  Castilleja affinis subsp. affinis P. A. Munz, M. Hill 1925-3-16 9354 Los Angeles 3 miles north of Claremont. 457 Comment
  SFV17280  Castilleja affinis subsp. affinis G. Beall 1997-3-7 10 Los Angeles Santa Monica Mountains Escondido Canyon, Winding Way Trail, 0.5 miles from trail head. Comment
  POM50171  Castilleja applegatei subsp. martinii L. R. Abrams 1901-4-13 1510 Los Angeles Wilsons Peak Trail. Comment
  RSA729456  Castilleja applegatei subsp. martinii R. G. Swinney 1998-7-8 6326 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  JEPS66320  Castilleja applegatei subsp. martinii L. R. Heckard 1971-5-25 2584 Los Angeles just above the canyon bridge along road (N3) over San Gabriel Mts. to Palmdale San Gabriel Mts. 1341 Comment
  RSA448680  Castilleja applegatei subsp. martinii George R. Johnston 1930-9-14 14628 Los Angeles Edison Road above Dark Canyon. 762 Comment
  SBBG16859  Castilleja exserta K. A. Wilson 1961-3-14 1022 Los Angeles Mulholland Hwy, 0.5 mi W of Seminole Hot Springs Comment
  UC27245  Castilleja exserta Jos. Burtt Davy 1901-3-1 Los Angeles Saugus Comment
  UCR187265  Castilleja exserta A. C. Sanders 2006-4-18 32098 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, c. 2 miles due north of the west end of Quail Lake 1037 Comment
  CATA641  Castilleja foliolosa Mark L. Hoefs 1991-4-16 1108 Los Angeles Santa Catalina Island: Near lower end of Renton Mine Road 201 Comment
  RSA187712  Castilleja foliolosa Robert F. Thorne 1966-4-5 35802 Los Angeles Santa Catalina Island. Along paved road on N slope Black Jack Mt. 412 Comment
  NY68080  Castilleja gleasoni A. D. E. Elmer 06 1902 3659 Los Angeles Acton Comment
  RSA448772  Castilleja minor subsp. spiralis Louis C. Wheeler 1932-6-26 879 Los Angeles San Gabriel Canyon. 335 Comment
  UC1584057  Castilleja minor subsp. spiralis Tim Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4046 Los Angeles ne of Tie Summit Station (e of Angeles National Forest, Tujunga Ranger District, w drainage that meets Tie Canyon); San Gabriel Mountains, Angeles National Forest, Tie Canyon 1463 Comment
  UC166879  Castilleja minor subsp. spiralis unknown 1904-6-17 142 Los Angeles Pasadena Comment
  UC1745909  Castilleja minor subsp. spiralis Annetta M. Carter, Arthur Carter 1935-9-11 972 Los Angeles Chilao Ranger Station at junction of Charleton Flats (Pine Flats) & Pacifico Road. San Gabriel Mtns. 457 Comment
  UCR150046  Castilleja minor subsp. spiralis L. C. Wheeler 1967-9-4 10686 Los Angeles Transverse Ranges; San Gabriel Mountains, Ravine south of Camp Lupine, Prairie Fork 2043 Comment
  RSA725791  Castilleja plagiotoma R. G. Swinney 1998-5-16 6055 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  UCR197739  Castilleja plagiotoma Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 101 Los Angeles Transverse Ranges; San Gabriel Mountains, north side of the mountains, right at the north end of Bob's Gap 1220 Comment
  UCR172456  Castilleja subinclusa subsp. franciscana Anuja Parikh, Nathan Gale 2005-6-2 2114 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, SW of Magic Mountain, study area 46 366 Comment
  SBBG126935  Castilleja subinclusa subsp. subinclusa A. Parikh, N. Gale 2011-6-4 3413 Los Angeles 5.5 km W of St Hwy 14, 2 km SW of California Aqueduct; Sierra Pelona, Liebre Mtns 1123 Comment
  RSA429525  Caulanthus heterophyllus var. heterophyllus Anstruther Davidson 1893-05 s.n. Los Angeles Rubio Canon, Los Angeles. Comment
  CAS-BOT-BC40210  Caulanthus lasiophyllus Peter H. Raven 1956-6-17 9420 Los Angeles Santa Monica Mountains. Northwest of Sunset Boulevard at Sepulveda Boulevard. Comment
  RSA650508  Ceanothus cordulatus T. C. Thomas 1974-7-5 s.n. Los Angeles Divide, Hwy 2, 7100'. 2165 Comment
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Mar 10 2015
  CLARK-A1528-3883  Ceanothus crassifolius John C. Roos 1942-3-7 1105 Los Angeles San Gabriel Mountains Comment
  UCSB3871  Ceanothus crassifolius Kamb, Peter 1948-2-29 Los Angeles Ridge west of Sheep Corral Canyon, North slope of the Verdugo Range 701 Comment
  SEINET11191173  Ceanothus crassifolius Brandegee s.n. Los Angeles South side Comment
  CAS-BOT-BC48871  Ceanothus cuneatus C. F. Baker 1904-3-18 4055 Los Angeles Claremont Comment
  CAS-BOT-BC49265  Ceanothus cuneatus Carl B. Wolf; E. Norland 1941-7-1 11244 Los Angeles Rancho Santa Ana Botanic Garden - Prop. #4226 - Origin of propataion material - 6 3/10 mi. W. of Palmdale 883 Comment
  RSA729300  Ceanothus greggii var. vestitus R. G. Swinney 1998-7-2 6207 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  LA44856  Ceanothus leucodermis O. A. Plunkett; 1926-3-6 sn Los Angeles San Gabriel Mountains, Santa Anita Canyon Comment
  RSA279055  Ceanothus leucodermis Robert F. Thorne 1971-4-23 41463 Los Angeles San Gabriel Mountains, Angeles National Forest: Chantry Flats, along trail to Santa Anita Canyon. 610 Comment
  SEINET13945998 Image available Ceanothus megacarpus Peter H. Raven 1959-1 13908 Los Angeles Gullies in chaparral and on open slopes; Las Flores Canyon 3.8 miles N of Coast Highway, elev 1800 ft. 34 deg. N, 118-119 deg. W 549 Comment
  CHSC110013  Ceanothus megacarpus var. insularis Mark Elvin; Sarah Crockett 1997-3-17 376 Los Angeles Channel Islands; Santa Catalina Island. Comment
  UC124601  Ceanothus megacarpus var. insularis H. M. Hall 1908-6-15 8271 Los Angeles Swains Canyon in bottom near the sea; Santa Catalina Island 4 Comment
  UC870598  Ceanothus megacarpus var. insularis F. R. Fosberg 1931-4-10 S 4559 Los Angeles Pacific Divide Santa Calalina Island 200 Comment
  LA91465  Ceanothus megacarpus var. megacarpus Bruce Douglas Clayton; Greg Shaw 1972-4-4 65 Los Angeles SANTA MONICA MOUNTAINS, upper Temescal and Rustic Canyons, Mountain Park Research Campus, on S slope of BDC peak. 560 Comment
  RSA399726  Ceanothus oliganthus D. A. Young 1969-3-15 P- 382 Los Angeles 3 mi. NW of Chatsworth, CA S. of Hiway 118 on Santa Susana Rd. Southern Oak Wd. 293 Comment
  RSA0091477  Ceanothus oliganthus var. oliganthus R. G. Swinney 2011-3-22 14179 Los Angeles mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 509 Comment
  CAS-BOT-BC63302  Ceanothus spinosus H. E. Hasse 1889-9-10 s.n. Los Angeles Santa Monica Range. Comment
  UCR16487  Ceanothus spinosus John Milbauer 1976-5-15 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., near Old Topanga Canyon Rd Comment
  UCR124245  Centaurium venustum L. C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island, 0.3 mile SSE of Isthmus Bench Mark 122 Comment
  UCR146987  Centaurium venustum Kathleen Stockwell 2000-6-1 s.n. Los Angeles San Gabriel Valley, Claremont, Bernard Biol. Field Station, north side of Foothill Blvd. 427 Comment
  UCR179295  Centranthus ruber R. G. Swinney 1989-7-13 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon. Lewis Paul Falls 518 Comment
  POM219186  Centranthus ruber Louis C. Wheeler 1932-8-28 1296 Los Angeles Puddingstone Dam, San Jose Hills, S San Dimas. 259 Comment
  RSA0135654  Centrostegia thurberi David E. Bramlet 2016-6-2 5315 Los Angeles Mt. Emma Road, 3,900 ft. northeast of Angeles Forest Highway, 6,000 ft. east of Kentucky Springs & 3,640 ft. south of BP&L Road. Northwest facing slope of Mt. Emma. 1209 Comment
  RSA579541  Centrostegia thurberi Tim S. Ross, S. D. Boyd 1994-6-23 8073 Los Angeles Sawmill Mountain: N slope ca 330 m SE to 525 m ENE of Sawmill Campground, descending NE along a ridge at the head of west fork Devils Gulch. 1646 Comment
  POM2207  Centrostegia thurberi var. thurberi H. M. Hall, H. P. Chandler 1906-6-11 s.n. Los Angeles Lancaster. Comment
  RSA392719  Centrostegia thurberi var. thurberi J. A. Comstock 1932-7-6 s.n. Los Angeles Mojave Desert. Comment
  RSA357903  Cerastium glomeratum R. F. Thorne 1973-3-26 42724 Los Angeles Webb Canyon, N of Claremont 365 Comment
  SEINET12161224  Ceratonia siliqua E. Mason, Mason, R. E. 1944-1 Los Angeles near Los Angeles Comment
  RSA226333  Ceratophyllum demersum R. F. Thorne, M. Z. Thorne 1966-8-29 36580 Los Angeles Crystal lake, above headwaters of North Fork of San Gabriel River. 1676 Comment
  RSA585540  Cercis occidentalis T. S. Ross 1992-4-21 6212 Los Angeles Glendora Ridge Road: on the divide between upper East Fork San Dimas Canyon and Lower Cow Canyon, draining toward the latter. 1229 Comment
  CAS-BOT-BC142134  Cercocarpus betuloides R. C. Foster 1937-4-5 155 Los Angeles Near University Club, Claremont Comment
  IRVC28602  Cercocarpus betuloides A. C. Sanders, Mark Elvin 2002-6-20 25209 Los Angeles Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park NE end of Santa Susana Mtns. 366 Comment
  POM296509  Cercocarpus betuloides Lyman D. Benson, Robert Benson, Joseph Lanjouw 1953-5-2 15097 Los Angeles Santa Catalina Island. North face of Swain Canyon, Whites Landing. Comment
  POM607  Cercocarpus betuloides C. F. Baker 1904-3-15 4153 Los Angeles Claremont. Comment
  RSA657449  Cercocarpus betuloides C. Schapiro 1979-5-28 24 Los Angeles Verdugo Mountains: On fire road at intersection of Haines Canyon Road and Day St., Tujunga 671 Comment
  RSA656566  Cercocarpus betuloides var. betuloides James Henrickson 2000-4-29 20732 Los Angeles Ca. 11 air miles NE of La Cresenta along Angeles Crest Highway north of Mt. Wilson in the San Gabriel Mountains. Near Red Box Gap 1400 Comment
  CATA3230  Cercocarpus betuloides var. blancheae Julie L. King 2017-1-17 41 Los Angeles Santa Catalina Island: West End Rd. between Howlands Landing & Cherry Valley, about 1.2 road miles north of entrance to Cherry Valley 56 Comment
  LA88734  Cercocarpus betuloides var. blancheae Karen Searcy; 1967-1-28 30 Los Angeles Santa Catalina Island, Pebbly Beach Canyon, Pebbly Beach Canyon, Renton Mine Rd 243 Comment
  UC187677  Cercocarpus betuloides var. blancheae Katharine Brandegee May 17 1916-May 25 1916 Los Angeles Santa Catalina Island Comment
  CATA1780  Cercocarpus traskiae Benjamin E. Carter, Amy Catalano, John R. Clark 2012-8-2 6920 Los Angeles Santa Catalina Island: Wild Boar Gully 172 Comment
  RSA190899  Cercocarpus traskiae Robert F. Thorne 1967-3-18 36736 Los Angeles Santa Catalina Island. Salta Verde, Wild Boar Gully (new name in honor of angry boar which charged but missed me). 168 Comment
  UCR110894  Chaenactis fremontii A. C. Sanders, D. Malueg, K. D. Jones 1998-6-22 21995 Los Angeles San Gabriel Mtns., Soledad Pass area at the N foot of the mtns, c. 5 miles SW of Palmdale, along SCE Mesa-Vincent power line at pole 18-03, just south of Vincent Substation 1000 Comment
  RSA747140  Chaenactis glabriuscula R. G. Swinney 2008-6-9 8971 Los Angeles lower Sandrock Creek, 1.2 mi. SSW of Valyermo post office 1171 Comment
  CAS-BOT-BC277325  Chaenactis glabriuscula var. glabriuscula Timothy S. Ross; Steve Boyd 1994-5-24 7871 Los Angeles Liebre Mountains. Lower NE slope of Grass Mountain: Northeasterly draw and adjacent northerly slope dissected by Burns Truck Trail and draining to the upper central area of Burns Canyon 1158 Comment
  CAS-BOT-BC277384  Chaenactis glabriuscula var. glabriuscula John H. Thomas 1957-5-3 6728 Los Angeles North of Eagle Rock, about 3-4 miles east of Pasadena 304 Comment
  UC75835  Chaenactis glabriuscula var. glabriuscula Geo. B. Grant May 1902 165 Los Angeles Santa Anita Comment
  UCR270223  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2011-6-15 15162 Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  POM351761  Chaenactis glabriuscula var. glabriuscula Robert Gustafson 1978-5-2 929 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
  RSA503482  Chaenactis glabriuscula var. glabriuscula R. F. Thorne 1973-5-11 43529 Los Angeles Along Mt. Emma Road, 1/2 mi. E of Little Rock Creek below the dam. 1037 Comment
  POM351802  Chaenactis santolinoides F. R. Fosberg 1931-8-12 S 5459 Los Angeles Summit Mt. Islip, San Gabriel Mountains. 2500 Comment
  RSA725139  Chaenactis stevioides Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -14 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
  UCR260082  Chaenactis xantiana Mitch Provance, Callen Huff 2009-4-28 10709 Los Angeles Tehachapi Mountains, Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 1.3 miles ENE of Gorman; site PO1086 1371 Comment
  CAS-BOT-BC279714  Chaenactis xantiana Ernest C. Twisselmann 1959-6-2 5333 Los Angeles Liebre Mountain: just below the fire lookout 1478 Comment
  SEINET10465475  Chamaerops humilis Jon Ricketson, Heidi H. Schmidt 1992-10-22 Ricketson 4880 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Garden, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  SBBG131638  Chamaesyce S. A. Junak 1999-9-10 SCa 1089 Los Angeles upper reservoir, Bulrush Cyn 316 Comment
  RSA596023  Chamaesyce albomarginata T. S. Ross, J. Mark Porter 1995-5-4 8436 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  UC153895  Chamaesyce albomarginata LeRoy Abrams 1902-5-31 2480 Los Angeles Railroad embarkment Inglewood Comment
  CDA35246  Chamaesyce melanadenia Phillipson 1915-5-8 Los Angeles Duarte Comment
  RSA662183  Chamaesyce polycarpa var. polycarpa Karin Palmer 1981-5-26 36 Los Angeles Cal Poly Pomona. Just south outside Bldg. 3, Rm. 110 window. Comment
  RSA607517  Chamaesyce serpens L. C. Wheeler 1969-11-20 s.n. Los Angeles Mission Road & Parkside ave. Comment
  RSA734744  Chamaesyce serpillifolia L. C. Wheeler 1945-9-20 6151 Los Angeles San Gabriel Mountains. Kinneloa Canyon (Sycamore Canyon). 335 Comment
  RSA756892  Cheilanthes covillei Orlando Mistretta, Christine Mistretta 2008-4-7 2344 Los Angeles Along SCE transmission line corridor, ca. 1 mi. NW of intersection of transmission line with State Hwy. 14 (1.25 mi. NW of Vincent substation), southeast edge of Sierra Pelona Ridge., (Segment 5, structure 48 per TRTP survey-2008) 1085 Comment
  UCR194260  Cheilanthes covillei R. G. Swinney 1998-8-5 6649 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch 1235 Comment
  RSA527755  Cheilanthes newberryi Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4324 Los Angeles San Clemente Island. E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  SEINET10539461 Image available Cheiranthus suffrutescens LeRoy R. Abrams 1902-6-10 Abrams 2511 Los Angeles Playa del Rey. Sand dunes. Comment
  RSA0114180  Chenopodium album Steven A. Junak 2000-6-30 SCa- 1355 Los Angeles Santa Catalina Island. At upper end of Little Harbor, near camp area, campground (N end). 8 Comment
  RSA478378  Chenopodium album Gertrude Dunn 1931-3-28 s.n. Los Angeles Palos Verdes Comment
  UCR119818  Chenopodium album var. stevensii A. C. Sanders, D. Malueg 1998-6-22 22010 Los Angeles San Gabriel Valley, Pasadena, just north of the I-210 Freeway on E bank of Eaton Wash, north side of Foothill Blvd. where it goes under the 210, under SCE transmission lines 225 Comment
  RSA620021  Chenopodium ambrosioides LeRoy Gross 1998-11-1 97 Los Angeles Southern base San Gabriel Mtns.: Big Tujunga Wash. East of 210 freeway, city of Sunland. 366 Comment
  RSA133815  Chenopodium ambrosioides H. J. Thompson 1959-11-23 3006 Los Angeles South shore of Upper Franklin Canyon Reservoir. 259 Comment
  UCR161630  Chenopodium berlandieri Mike Misenhelter 2005-10-5 s.n. Los Angeles Los Angeles Basin, Carson, old landfill site SE of intersection of 110 (Harbor) and 405 (San Diego) freeways, west side of Dominguez Channel and 405, east of Main St. 12 Comment
  UCR277235  Chenopodium berlandieri R. G. Swinney 2010-10-5 13976 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, west of 'Oak of the Golden Dreams', at west boundary of park 451 Comment
  SBBG119907  Chenopodium californicum A. C. Sanders, E. J. Lawlor 1988-4-3 7743 Los Angeles 1 mi NW of Gorman on a gasline rd, 0.4 mi above the old hwy 1284 Comment
  SBBG37898  Chenopodium californicum M. B. Dunkle 1939-4-2 7202 Los Angeles San Clemente Island, SE point of island Comment
  UC1922579  Chenopodium californicum Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1143 Los Angeles Transverse Ranges; Verdugo Mountains region; Mouth of McDonald Creek. 335 Comment
  UC723836  Chenopodium californicum Joseph Andorfer Ewan IX, 1933 10926 Los Angeles Higgins Canyon Santa Monica Mts. Comment
  UC557815  Chenopodium californicum Nell Murbarger 1936-3-1 109 Los Angeles San Clemente Island; mesa top and e side of island Comment
  UC1586210  Chenopodium desiccatum Tim Ross 1991-8-16 5802 Los Angeles canyon 1/5 mi due e confluence of Lucas Creek (Angeles Forest Hwy); Condor Peak USGS 7.5 qua, Big Tujunga Canyon 917 Comment
  UC63985  Chenopodium fremontii Geo. R. Hall Sept. 1904 Los Angeles Swartout Canyon San Antonio Mts. 2133 Comment
  SD252318  Chenopodium macrospermum Steven A. Junak 2000-10-12 Sca 1411 Los Angeles Santa Catalina Island: On N side of Thompson Reservoir. Drying S facing margins. 195 Comment
  POM310575  Chenopodium multifidum Hulda Crooks 1945-10-22 134 Los Angeles Claremont. 351 Comment
  UC1211101  Chenopodium murale Huron H. Smith 1912-6-1 5071 Los Angeles Avalon Canyon Santa Catalina Island 38 Comment
  CDA3111  Chenopodium pumilio L. C. Wheeler 1973-5-12 s.n. Los Angeles San Gabriel Mountains: Gould Mesa Picnic Ground. Comment
  RSA703495  Chenopodium pumilio Scott D. White, Michael Honer 2004-6-24 10483 -B Los Angeles Pomona Valley / San Gabriel Mtn Foothills: City of Claremont; San Antonio Canyon alluvial fan, north of Baseline Ave. and west of concrete-lined flood control channel. 488 Comment
  RSA64831  Chenopodium pumilio F. W. Peirson 1919-11-12 1823 Los Angeles Holliston Ave. between Boulevard and Mendocino, Altadena. Comment
  UCR138905  Chenopodium strictum var. glaucophyllum L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mtns, Mountain Brook Ranch 1159 Comment
  SEINET3885528  Chlorogalum parviflorum Louis C. Wheeler 1934-5-14 2583 Los Angeles 1 mi NE Puddingstone Dam, San Jose Hills.; 0 351 Comment
  CATA141  Chlorogalum pomeridianum Mark L. Hoefs, A. Douglas Propst 1973-3-14 105 Los Angeles Santa Catalina Island: Upper Cape Canyon 335 Comment
  CAS-BOT-BC126715  Chorispora tenella A. C. Sanders 2010-3-30 37708 Los Angeles Mojave Desert: Antelope Valley, east of Lancaster and south of Redman, 90th St. East 0.35 mi. north of Ave. H 50 Comment
  SBBG127390  Chorispora tenella A. C. Sanders 2010-3-30 37708 Los Angeles E of Lancaster and S of Redman, 90th St E 0.35 mi N of Ave H 727 Comment
  CAS-BOT-BC179030  Chorizanthe brevicornu var. brevicornu David D. Keck; Palmer Stockwell 1935-5-15 3303 Los Angeles 1 mi W of Llano, Victoville-Palmdale road Comment
  CAS-BOT-BC179031  Chorizanthe brevicornu var. brevicornu Robert F. Thorne 1973-5-11 43467 Los Angeles 1 mi W of San Gabriel Mts., Mojave Desert slope: 1/4 - 1/2 mi N of Bob's Gap, N slope of Holcomb Ridge, c. 2 1/2 mi due S of Llano 1158 Comment
  UCR126690  Chorizanthe coriacea A. C. Sanders, Andy Thomson 2003-4-15 26016 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, disturbed alluvial flat c. 500 ft. south of Magic Mountain theme park 351 Comment
  IRVC26347  Chorizanthe coriacea A. C. Sanders, Andy Thompson 2003-4-15 26016 Los Angeles Newhall Ranch, disturbed alluvial flat ca. 500 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 351 Comment
  POM2186  Chorizanthe parryi var. fernandina L. R. Abrams 1901-4-4 1337 Los Angeles Chatsworth Park. Comment
  CAS-BOT-BC257196  Chorizanthe procumbens Alice Eastwood 1906-5-27 258 Los Angeles Roscoe Comment
  JEPS23139  Chorizanthe staticoides Rimo Bacigalupi with Reino Alava 1958-7-21 6459 Los Angeles one-half mi wnw Hughes Lake Post Office (flat in San Andreas Rift (fault) Valley, Angeles National Forest); Angeles National Forest, San Andreas Rift Valley 998 Comment
  RSA11366  Chorizanthe staticoides C. Epling 1931-5-30 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains. Comment
  UC1211062  Chorizanthe staticoides Huron H. Smith 1912-5-3 4922 Los Angeles Azusa 243 Comment
  SEINET12765195  Chorizanthe staticoides Barbara Ertter 1988-5-23 7479 Los Angeles Pine Canyon Rd along San Andreas fault on N side of San Gabriel Mts (Co Rd N2).; 0 Comment
  RSA716670  Chorizanthe xanti var. xanti Scott D. White, Pam De Vries 2006-5-10 11454 Los Angeles SE Tehachapi Mtns: Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  RSA0098836  Chrysolepis sempervirens R. G. Swinney 2011-8-5 15594 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
  POM18191  Chrysothamnus nauseosus subsp. bernardinus P. A. Munz 1923-8-31 7698 Los Angeles Mescal Creek, San Gabriel Mountains 1951 Comment
  UCR205651  Cicer arietinum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36931 Los Angeles San Gabriel Valley, San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gab. Riv. greenway, along the Edison powerlines 71 Comment
  POM194149  Cirsium occidentale var. californicum Lyman Benson 1945-6-5 11772 Los Angeles Cold Spring, 2 1/2 miles southwest of Camp Baldy on the Glendora Road. San Gabriel Mt. Range 1372 Comment
  SD21297  Cirsium occidentale var. occidentale Norman E. Bilderback 1938-4-17 Los Angeles Santa Catalina Island, Avalon. Comment
  RSA603324  Cirsium vulgare Scott D. White 1997-5-21 5189 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
  UC1595226  Cirsium vulgare Tim Ross and Peter Fritsch 1990-6-20 3613 Los Angeles mouth of Burro Canyon (near the confluence of the e and w forks of the San Gabriel Rvier); San Gabriel Mountains, San Gabriel River 445 Comment
  RSA466594  Cistanthe monandra Samuel R. Tyson 1942-5-5 s.n. Los Angeles San Dimas Canyon 610 Comment
  RSA563516  Cistus creticus T. S. Ross, Walter Appleby 1993-4-15 6821 Los Angeles Western SAn Gabriel Mts: southerly draw ca 515 m ssw of May canyon saddle, draining to Wilson Canyon 1011 Comment
  CAS-BOT-BC172445  Clarkia bottae Alice Eastwood 1919-7-4 9305 Los Angeles Santa Monica Canyon, Los Angeles Comment
  SEINET4143378  Clarkia bottae K. Brandegee, E. Braunton 124 Los Angeles Elysian Park, Los Angeles Comment
  CAS-BOT-BC172249  Clarkia cylindrica subsp. cylindrica Marcus E. Jones 1927-4-24 s.n. Los Angeles North of Lebec Comment
  CAS-BOT-BC172258  Clarkia cylindrica subsp. cylindrica Timothy S. Ross; Steve Boyd 1990-5-15 2520 Los Angeles Live Oak Campground, Tujunga Range District, Angeles National Forest, at the confluence of Sand Canyon and Bear Canyon (draining to the Santa Clara River about 3.5 miles north), San Gabriel Mountains 670 Comment
  RSA73320  Clarkia cylindrica subsp. cylindrica F. W. Peirson 1921-5-18 2797 Los Angeles summit of Newhall Grade, near Newhall. 427 Comment
  RSA240686  Clarkia dudleyana Donald R. Bissing 1973-6-2 117 Los Angeles Every Canyon, San Gabriels Mts. 0.4 mile from canyon mouth along roadside. 732 Comment
  CAS-BOT-BC172008  Clarkia epilobioides L. R. Abrams 1901-6-4 1706 Los Angeles Los Tunas Canyon, S. Monica Mts. Comment
  LA82402  Clarkia epilobioides O. H. Kappler; 1941-5-9 264 Los Angeles SANTA MONICA MOUNTAINS, Cold Creek 152 Comment
  UC930794  Clarkia epilobioides Ira W. Clokey, B. Templeton 1929-5-8 4485 Los Angeles Mandeville Canyon Santa Monica Mountains Comment
  CAS-BOT-BC163707  Clarkia purpurea subsp. quadrivulnera John Thomas Howell 1928-6-10 3875 Los Angeles Above Monrovia Dam, Monrovia [Canon] Canyon, San Gabriel Mts. Comment
  UCR277212  Clarkia purpurea subsp. quadrivulnera R. G. Swinney 2010-5-25 12946 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA0112563  Clarkia rhomboidea R. G. Swinney 2011-6-15 15180 Los Angeles San Gabriel Mountains: Chilao Creek, 100 m south and north of Chilao Campground. 1573 Comment
  RSA73354  Clarkia rhomboidea Louis C. Wheeler 1932-7-2 901 Los Angeles Browns Flat, San Gabriel Mts. 1311 Comment
  RSA73359  Clarkia rhomboidea F. W. Peirson 1920-6-10 2161 Los Angeles San Gabriel Mountains, trail along west slope of Mt. Markham 1646 Comment
  UCR202426  Clarkia similis Peter L. Morrell, L. D. Gottlieb, Vera Ford 1996-4-10 489 Los Angeles San Gabriel Mtns., San Antonio Canyon, Mt. Baldy Rd., along edges of trail in Evey Canyon, trail begins beyon curve withn 200 m of entrance, just beyond large rock outcrop 720 Comment
  RSA593498  Clarkia unguiculata Steve Boyd, Mike Wall 1996-5-16 8769 Los Angeles Liebre Mountains, Charlie Canyon in vicinity of prominent sandstone outcrop visible from Lake Hughes Road east of Castaic Lake 549 Comment
  RSA660824  Clarkia unguiculata LeRoy Gross 2001-5-6 383 Los Angeles Verdugo Mountains Region: Along trail that comes up from Morning Glow Way off of La Tuna Canyon Rd. city of Sun Valley Comment
  UCR127168  Claytonia A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26148 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam 518 Comment
  RSA709582  Claytonia parviflora A. C. Sanders, Helen Kennedy 2005-4-13 29467 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
  UCR193159  Claytonia parviflora R. G. Swinney 1998-7-14 6452 Los Angeles San Gabriel Mtns., north slope of Pine Mountain Ridge, from high point to Prairie Fork, c. 1 mi. SE of Cabin Flat 2165 Comment
  SEINET11942588  Claytonia parviflora I. W. Clokey, Templeton, B. 1929-1 4526 Los Angeles Mandeville Canyon, Santa Monica Mountains 365 Comment
  RSA252709  Claytonia parviflora subsp. utahensis Michael C. Long 1974-4-21 s.n. Los Angeles Devil's Punchbowl Co. Park, Holcomb Canyon. 1311 Comment
  RSA679884  Claytonia parviflora subsp. viridis LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 844 -a Los Angeles East side of Punchbowl Canyon. 1585 Comment
  UCD170390  Claytonia parviflora subsp. viridis R. G. Swinney 2009-6-8 11081 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
  UCR223464  Claytonia parviflora subsp. viridis R. G. Swinney 2009-6-3 11054 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
  RSA526556  Claytonia perfoliata Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-7 4242 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  SFV1189  Claytonia perfoliata M. L. Vincent 1963-5-7 343 Los Angeles Santa Susana Mountains Santa Susana Pass Road. 0.5 miles east of Ventura County line near top of the pass. 0.5 miles off the main road on a path. 489 Comment
  UCR190780  Claytonia perfoliata R. G. Swinney 1999-7-5 7520 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
  RSA313425  Claytonia perfoliata subsp. intermontana T. S. Elias 1984-4-29 8328 Los Angeles Angeles National Forest; Glendora Ridge near Baldy Camp; along forest service road above ridge road Comment
  POM158016  Claytonia perfoliata subsp. mexicana M. B. Dunkle 1928-3-31 1797 Los Angeles Santa Catalina Island. Cottonwood Canon 183 Comment
  UCR150980  Claytonia perfoliata subsp. mexicana L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mtns, Divide between Punchbowl Canyon and Watkins Creek, at end of the road and beginning of Burkhart Trail 1585 Comment
  RSA606999  Claytonia perfoliata subsp. perfoliata L. C. Wheeler 1968-5-24 s.n. Los Angeles San Gabriel Mountains: Northwest slope of Smith Mountain, along Bear Creek Trail. 1280 Comment
  RSA386212  Clematis lasiantha T. S. Clare 1929-3-10 s.n. Los Angeles Topanga Canyon. Comment
  CHSC34391  Clematis ligusticifolia Philip A. Silverstone 1978-8-12 289 Los Angeles Jtn Maguire St. and Escondido St., 0.3 km from jtn Maguire and Latigo Canyon Rd., which is 4.8 km inland from State 1. Along creek bed. Comment
  RSA0105075  Clematis ligusticifolia R. G. Swinney 2011-10-18 15815 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  RSA522459  Clematis ligusticifolia Tim S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4045 Los Angeles NE of Tie Summit Station and E of Angeles Forest Hwy. Westerly drainage that meets Tie Canyon. Tujunga Ranger District, Angeles National Forest. 1463 Comment
  RSA350660  Collinsia davidsonii Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA0117373  Collinsia parryi Scott D. White, Justin M. Wood 2009-5-6 12667 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  RSA0117315  Collinsia parviflora Steve D. Boyd, Lauren Raz 1997-5-1 9674 Los Angeles Liebre Mountains Region: Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-southeast of Lincoln Crest, the head of Bouquet Canyon. 1463 Comment
  SEINET12268972  Collinsia tinctoria J. F. Bright 1935-1 1006 Los Angeles Los Angeles Comment
  RSA330804  Collinsia torreyi var. wrightii Wayen E. Sawyer 1981-6-11 14 Los Angeles San Gabriel Mountains, Angeles National Forest: CA Highway 2 between Dawson Saddle and junction of CA Highway 39, 2.75 miles from Dawson Saddle. 2271 Comment
  RSA628711  Collomia grandiflora R. S. Woglum 1942-5-20 3327 Los Angeles Transverse Ranges: Angeles Crest Highway; San Gabriel Mountains; Angeles National Forest. Comment
  CHSC110012  Comarostaphylis diversifolia subsp. planifolia Mark Elvin; Sarah Crockett 1997-3-17 374 Los Angeles Channel Islands; Santa Catalina Island: Cape Canyon. W side of canyon. Comment
  RSA467085  Comarostaphylis diversifolia subsp. planifolia Katherine Kneen 1933-8-5 s.n. Los Angeles Santa Monica Mountains: W side Topango [Topanga] Canyon; ca. 3 miles from mouth. 152 Comment
  RSA682720  Conium maculatum LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1107 Los Angeles North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. Follow a ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge., Tributary is north of the 210 freeway. South of freeway tributary will drain into La Tuna Canyon. All survey was done north of the 210. 457 Comment
  SDSU2279  Conium maculatum Gerald Collier 1951-5-12 M 352 Los Angeles 50 yds. south of P.E. R.R. 1 mile west of El Monte. Comment
  UC31744  Constancea nevinii Blanche Trask 1896-6-1 Los Angeles Avalon Santa Catalina Island, Avalon Comment
  RSA0099310  Convolvulus althaeoides J. C. Roos 1950-5-9 4793 Los Angeles Behind 717 and 719 Echandia Street, Los Angeles. 91 Comment
  RSA394787  Convolvulus arvensis F. R. Fosberg 1930-6-26 53010 Los Angeles Lower Ballona Creek 8 Comment
  CAS-BOT-BC285954  Conyza bonariensis Geo. B. Grant 1906-8-7 s.n. Los Angeles Pasadena Comment
  POM4074  Conyza bonariensis D. L. Crawford 548 Los Angeles Claremont. Comment
  JEPS70064  Cordylanthus rigidus subsp. setiger L. R. Heckard 1971-9-29 2844 Los Angeles 2.3 mi above junction with Skyline Dr Topanga Canyon; Santa Monica Mts. 335 Comment
  RSA412298  Cordylanthus rigidus subsp. setiger Francis W. Pennell, P. A. Munz 1940-8-24 26468 Los Angeles Gravelly soil along stream-course. Pomona College, Claremont. 366 Comment
  CDA21765  Coreopsis bigelovii G. D. Barbe, T. C. Fuller 1973-4-9 1189 Los Angeles 4 miles (6.4 km) south of Palmdale, 0.7 mile north of Pearblossom Highway on Sierra Highway. 0 Comment
  RSA249802  Coreopsis bigelovii R. F. Thorne, C. W. Tilforth 1973-4-20 43022 Los Angeles San Gabriel Mountains. 1143 Comment
  RSA590524  Coreopsis bigelovii Orlando Mistretta 1994-3-30 967 Los Angeles San Gabriel Mountains: Little Rock Creek. Slopes E of creek below Little Rock Dam. 991 Comment
  UCR177541  Coreopsis bigelovii LeRoy Gross 2005-4-28 2177 Los Angeles San Gabriel Mountains, Ridgeline to Mt. Emma and canyon south of this ridge. W from Mt. Emma (NW trending ridge, lower part of ridgeline starts to turn SW) east of Mt. Emma Rd 1413 Comment
  POM356002  Coreopsis californica Fordyce Grinnell Jr. 1910-04 s.n. Los Angeles San Fernando Valley, PacoimaWash Comment
  UC485340  Coreopsis californica var. californica Geo. B. Grant Apr 1902 681 Los Angeles Altadena, Comment
  UC1536842  Coreopsis calliopsidea G. H. True Jr. 1935-3-28 183 Los Angeles 2 mi s of Palmdale (.5 mi e of main highway) Comment
  RSA167840  Coreopsis gigantea R. F. Thorne, Percy C. Everett 1964-2-7 33449 Los Angeles Santa Catalina Island. E of Avalon on Road to Pebbly Beach 8 Comment
  CAS-BOT-BC105652  Corethrogyne filaginifolia F. Grinnell Jr. 1917-8-27 s.n. Los Angeles Upper Arroyo Seco Canyon [Canon], San Gabriel Mountains Comment
  JEPS41860  Corethrogyne filaginifolia Frank W. Peirson 1918-10-15 229 Los Angeles Summit Sister Elsie Peak; San Gabriel Mts. 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
  RSA397703  Cornus glabrata M. B. Dunkle 1931-4-22 2462 Los Angeles Hamilton Canyon, Santa Catalina Island. 91 Comment
  RSA729583  Cornus sericea subsp. sericea R. G. Swinney 1999-7-5 7495 Los Angeles San Gabriel Mtns.:head of Cedar Canyon, meadow on north side of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2. 2037 Comment
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Apr 12 2010
  UCR73406  Coronilla valentina subsp. glauca T. S. Ross 1991-3-9 4204 Los Angeles Whittier Hills (Puente Hills, pro parte): Skyline Drive at the head of Turnbull Canyon 348 Comment
  CAS-BOT-BC287255  Cotula australis Geo. B. Grant 1905-4-3 6460 Los Angeles Pasadena Comment
  UCSB10189  Crassula connata H., J. 1941-4-4 Los Angeles San Dimas Canyon; 1/2 mi. below San Dimas Dam; field no. 582; sec. 25, T 1N, R 9N 426 Comment
  CATA2907  Crassula ovata Sara L. Crockett, Michael Daligdig 1996-11-11 47 Los Angeles Santa Catalina Island: Southern California Edison Station near Pebbly Beach 6 Comment
  UCR193172  Crepis nana R. G. Swinney 1999-8-14 7619 Los Angeles San Gabriel Mtns., upper Fish Fork San Gabriel River, c. 1.3 air mi. ESE of Upper Fish Fork Campground 2268 Comment
  RSA239485  Cressa truxillensis E. R. Blakley 1963-12-7 6330 Los Angeles San Clemente Island, [near] Lighthouse, N. of Pyramid Head. 53 Comment
  SD85052  Crocanthemum scoparium var. vulgare E. R. Blakley 1963-4-10 5585 Los Angeles Santa Catalina Island; junction of White's Landing and Airport Road, northeast side of Black Jack Mountain. 365 Comment
  CATA1475  Crossosoma californicum Mark L. Hoefs, Robert F. Thorne 1996-4-6 2670 Los Angeles Santa Catalina Island: Old Bird Park, Avalon Canyon 103 Comment
  CATA80  Crossosoma californicum Peter Henrikson 1987-4-14 60 Los Angeles Santa Catalina Island: Avalon Canyon along One Hour Trail, north exposure 121 Comment
  RSA394832B  Croton californicus D. Koutnik 1978-4-28 419 Los Angeles Point Dume near Zuma Beach. 46 Comment
  RSA599293  Croton californicus L. C. Wheeler 1945-9-20 6158 Los Angeles San Gabriel Mountains. Kinneloa (''Sycamore'') Canyon. 365 Comment
  UC56933  Croton californicus E. B. Babcock Nov. 1902 Los Angeles near Pomona Comment
  CATA1808  Croton setiger Benjamin E. Carter 2012-8-23 6992 Los Angeles Santa Catalina Island: Airport Road, ca. 1/2mi north of Middle Ranch Road 395 Comment
  UCR205889  Croton setiger A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37087 Los Angeles San Gabriel Valley, west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  UCSB7435  Croton setiger Wedberg, H. 1958-7-14 Los Angeles Faculty Hill, UCLA Campus Comment
  SEINET3271567 Image available Crypsis schoenoides R. G. Swinney 2008-9-9 9321 Los Angeles San Gabriel Mtns. Little Rock Creek, 0.2 mi north of Little Rock Reservoir. 960 Comment
  UCR276814  Cryptantha R. G. Swinney 2010-5-21 12888 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
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Feb 19 2020
  UCR141322  Cryptantha barbigera R. F. Thorne 1974-4-9 44706 Los Angeles San Gabriel Mtns, Bobs Gap in Holcomb Ridge 1220 Comment
  CAS-BOT-BC189395  Cryptantha circumscissa Ernest C. Twisselmann 1959-6-2 5343 Los Angeles Old Ridge Route, 1.2 miles S of the Lancaster Highway 1097 Comment
  RSA557822  Cryptantha circumscissa D. Charlton 1989-4-7 2834 Los Angeles Kentucky Springs, 1 mile south of Highway 14 on Sierra Highway. Comment
  LA31586  Cryptantha clevelandii Henry J. Thompson; 1959-5-31 2058 Los Angeles Santa Monica Mountains, just E of junction of Latigo Canyon Rd with Mulholland Hwy 518 Comment
  SBBG63663  Cryptantha corollata R. Hoffmann 1930-6-6 Los Angeles Alamo Crk 792 Comment
  UCR138544  Cryptantha decipiens Steve Boyd 1986-3-31 1576 B Los Angeles Mojave Desert, Hwy 18 c. 1 mi east of junction with Hwy 138, NE of Pinyon Hills 1037 Comment
  JEPS67646  Cryptantha intermedia W. L. Jepson 1939-4-21 19220 Los Angeles San Fernando Comment
  RSA578301  Cryptantha intermedia T. S. Ross, Steve Boyd 1994-5-10 7755 Los Angeles Lower Deer Canyon: inside the rather broad mouth of the canyon, ca 220-380 m NNW of its confluence with Elizabeth Lake Canyon 873 Comment
  POM369518  Cryptantha intermedia Fordyce Grinnell Jr. 1910-04 s.n. Los Angeles San Rafael Hills, Pasadena Comment
  RSA159347  Cryptantha maritima P. H. Raven 1962-4-12 17318 Los Angeles San Clemente Island. Near foot of canyon south of canyon below the Tomb, west side of island 107 Comment
  UC1584224  Cryptantha micrantha Tim Ross and Steve Boyd 1990-5-17 2598 Los Angeles Mill Creek Tree Plantation San Gabriel Mts., Angeles National Forest, Tujunga District 1612 Comment
  CHSC95844  Cryptantha microstachys LeRoy Gross; Laura Moore 2000-6-5 221 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 579 Comment
  RSA507971  Cryptantha microstachys Steve Boyd 1988-4-28 2225 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  SBBG63710  Cryptantha microstachys M. N. Ackley -Apr-1928 44 Los Angeles Santa Monica Mtns 274 Comment
  RSA80736  Cryptantha microstachys F. W. Peirson 1919-2-12 172 Los Angeles Hills west of Arroyo Seco, near Pasadena 427 Comment
  UC1063843  Cryptantha muricata P. L. Johannsen 1934-3-5 317 Los Angeles 1 mi ne Castac; Santa Susana Quad. 426 Comment
  UCR88521  Cryptantha muricata Scott D. White, Chet McGaugh 1995-5-16 3067 Los Angeles Transverse Range; eastern Santa Susana Mtns, just west of San Gabriel mountains. 'Sunshine Canyon' (name not on topo), west of San Fernando Rd and Hwy I-5, just SW of interchange with Calif. Rte 14 Fwy 488 Comment
  RSA0079154  Cryptantha muricata var. denticulata T. S. Ross, Orlando Mistretta, Peter Fritsch 1990-6-25 3839 Los Angeles San Gabriel Mountains. Ridgetop to the SW of Crystal Lake (ridge descending SSW from Mt. Islip). 1780 Comment
  RSA0120159  Cryptantha muricata var. denticulata R. G. Swinney 2014-5-27 16660 Los Angeles San Gabriel Mountains; Glendora, ridge between east and north forks of Hook Cyn., c. 400 m. south of Glendora Ridge Mtwy. on s.-facing slope at 15-40 % grade., C. 200 m. due n. of Church of the Open Door and n. and e. of Hook Cyn. debris basin. 445 Comment
  RSA0079395  Cryptantha muricata var. jonesii F. W. Peirson 1921-7-1 2476 Los Angeles Arraster Creek, north slope of San Gabriel Mountains. 945 Comment
  RSA0079411  Cryptantha muricata var. jonesii F. W. Peirson 1919-5-7 1024 Los Angeles South side of New York Drive, Altadena, (east of Hill Ave.). Comment
  RSA756625  Cryptantha muricata var. jonesii Orlando Mistretta, Christine Mistretta 2008-4-17 2485 Los Angeles Southern California transmission line tower (Segment 6, Structure 24 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1301 Comment
  RSA0079274  Cryptantha muricata var. muricata Robert F. Thorne 1963-7-11 32784 Los Angeles Sandy roadside near Upper Shake Campground, ca. 3 miles E of Lake Hughes, Angeles National Forest. Comment
  RSA725890  Cryptantha oxygona R. G. Swinney 1996-5-27 4739 Los Angeles Eastern San Gabriel Mtns.: east of Table Mtn. and NW of Wright Ridge. 2252 Comment
  UCR220277  Cryptantha pterocarya var. pterocarya R. G. Swinney 2009-4-24 10489 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  RSA249776  Cryptantha similis R. F. Thorne, C. W. Tilforth 1973-4-20 42993 Los Angeles San Gabriel Mountains, Mojave Desert slope: 1 mile N of Bob's Gap, 3.2 miles S of Llano, N slope of Holcomb Ridge. 1143 Comment
  RSA650978  Cryptantha utahensis Marion P. Harthill 1977-3-19 s.n. Los Angeles Zzyzx. 304 Comment
  SD249169  Cryptantha wigginsii Michael G. Simpson, Lori L. Simpson 2012-4-21 3682 Los Angeles Santa Catalina Island. West-facing road cut, on road between Cherry Cove and Howland's Landing. 50 Comment
  SEINET10891253  Cucumis melo Mary Merello, Heidi H. Schmidt 1999-12-3 Merello 2508 Los Angeles City of Pasadena. Good Food Market, 1864 E. Washington. Comment
  CHSC3736  Cucurbita foetidissima Sue Boergadine 1966-4-28 5 Los Angeles Approximately 8 mi NE of Newhall. 914 Comment
  SEINET10625771  Cucurbita pepo Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3783 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  LA201637  Cupressus forbesii Arthur C. Gibson; 2003-12-30 5001 Los Angeles 548 Comment
  UCR51491  Cupressus macrocarpa A. C. Sanders 1987-12-4 7446 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr. 31 Comment
  RSA409744  Cuscuta campestris T. A. Burch, B. E. Burch 1943-07 s.n. Los Angeles Redondo Beach. Comment
  RSA409731  Cuscuta ceanothi G. R. Johnstone 1930-10-19 s.n. Los Angeles Near rosemead Comment
  CATA302  Cuscuta occidentalis Mark L. Hoefs 1973-6-5 322 Los Angeles Santa Catalina Island: By upper White's Landing Road 426 Comment
  RSA229134  Cycladenia humilis var. venusta R. F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38869 Los Angeles Angeles National Forest: Dawson Saddle 2424 Comment
  RSA0098340  Cylindropuntia echinocarpa Marc A. Baker, Michelle Cloud-Hughes 2014-11-15 18262 Los Angeles San Gabriel Mountains, Grandview Canyon, 15 km SE of Pearblossum, 40 km north of Pomona. 1460 Comment
  UCR127036  Cynara scolymus A. C. Sanders 2003-6-18 26929 Los Angeles Western Transverse Range/Santa Clara River Watershed, near mouth of 'Off-haul Canyon' c. 1 mile west of Mayo Spur between San Martinez Grande Canyon the Ventura Co. line, north of Hwy 126, Newhall Ranch 305 Comment
  RSA483545  Cynodon dactylon Edwin Kline 1924-5-16 s.n. Los Angeles Los Angeles. Comment
  SDSU982  Cynodon dactylon Gerald Collier 1951-5-10 M 47 Los Angeles 11621 Mayfield Ave, L.A. 49 Comment
  SD252221  Cyperus Steven A. Junak 2000-6-29 Sca 1352 Los Angeles Santa Catalina Island. Just E of Middle Ranch Road, ca. 1.1 mile from intersection with Airport Road. 289 Comment
  RSA365077  Cyperus eragrostis T. S. Clare 1929-4-10 s.n. Los Angeles Verdugo Hills Comment
  RSA563898  Cyperus eragrostis Scott D. White 1992-10-9 945 Los Angeles Malibu, base of Santa Monica Mountains, just N of Pacific Coast Highway, extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School. 91 Comment
  UCR273911  Cyperus eragrostis Steven A. Junak 1999-5-8 SCa- 911 Los Angeles California Islands, Santa Catalina Island. Lower part of Fern Canyon, just 0.3 mile upstream from junction with Cottonwood Canyon 122 Comment
  POM184653  Cyperus erythrorhizos L. C. Wheeler 1932-9-19 1391 Los Angeles Los Angeles R. [River] at Los Feliz Blvd 122 Comment
  CAS-BOT-BC114310  Cyperus esculentus Ernest Braunton 1902-8-1 630 Los Angeles Cienega Comment
  CAS-BOT-BC114311  Cyperus esculentus Ellsworth Bethel 1916-8-1 s.n. Los Angeles Long Beach. Comment
  UCR151019  Cyperus involucratus Scott D. White 1997-5-7 5062 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
  SEINET9151617  Cyperus rotundus L. C. Wheeler 1932-7-16 959 Los Angeles 3 mi. N. of Pomona 305 Comment
  UCD141146  Cyperus rotundus Louis C. Wheeler 1932-7-16 959 Los Angeles Pomona: 3 miles north of Garey Avenue. 304 Comment
  RSA0083122  Datisca glomerata R. G. Swinney 2010-6-4 13029 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA761147  Datisca glomerata R. G. Swinney 2008-10-10 9565 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  UCR199670  Datura stramonium Scott D. White, Ed Kentner, Amanda Breen 2007-7-18 11759 Los Angeles Los Angeles Basin, Whittier Narrows Recreation Area south of the 60 fwy and west of 605 fwy. 'Legg Lake 64 Comment
  RSA151156  Daucus pusillus P. H. Raven 1962-5-22 17824 Los Angeles Santa Catalina Island, above Emerald Bay 122 Comment
  UCR126856  Daucus pusillus A. C. Sanders 2003-4-29 26177 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 457 Comment
  UCD131034  Deinandra clementina R. M. Beauchamp; T. Oberbuaer 1975-8-25 22693 Los Angeles Iwo Jima Gulch, tributary of China Canyon, San Clemente Island. 170 Comment
  CAS-BOT-BC299268  Deinandra fasciculata M. E. Jones 1902-6-27 s.n. Los Angeles Catalina Is. Comment
  CAS-BOT-BC299273  Deinandra fasciculata Peter H. Raven 1962-7-11 17994 Los Angeles North of statoin Nanny, north of Lemon Tank, San Clemente Island Comment
  CAS-BOT-BC299297  Deinandra fasciculata Robert F. Thorne; P. Everett 1965-6-22 34896 Los Angeles Rocky slope at upper end of Avalon Canyon along road, Santa Catalina Island 213 Comment
  SBBG61011  Deinandra kelloggii M. N. Ackley -May-1926 241 Los Angeles Eagle Rock 213 Comment
  SBBG44979  Deinandra kelloggii L. C. Wheeler 1933-6-27 1888 Los Angeles Foothill Blvd at Eaton Wash, Pasadena 213 Comment
  POM254332  Delphinium cardinale Muriel F. Wheeler 1938-7-23 s.n. Los Angeles San Dimas Canyon Wash, 1/2 mile northeas of San Dimas County Park. Comment
  UC854185  Delphinium parryi Alice Eastwood Jun 19 1906-Jun 30 1906 20 Los Angeles Garvanza Zaca Lake Forest Reserve Comment
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Jan 11 2015
  RSA724385  Delphinium patens subsp. hepaticoideum K. Dobry 1991-3-15 418 Los Angeles San Gabriel Mts at Elsmre Cyn. Comment
  RSA152145  Delphinium patens subsp. montanum Wesley O. Griesel 1962-5-12 s.n. Los Angeles Charlton Flats to Chilao Camp, San Gabriel Mts 1524 Comment
  SD112020  Dendromecon harfordii Betsy Carpenter, Linda Allen 1975-3-21 Los Angeles Santa Catalina Island; White's Landing road. Comment
  OBI71767  Dendromecon rigida Tony Simon 1994-4-30 12 Los Angeles San Gabriel Mts. Big Tujunga Cyn Rd. 6 mi past jctn with Angeles Crest hwy- trl on left of road 762 Comment
  UCD95144  Dendromecon rigida Arthur Alcantara; Earl Brown 1993-4-6 s.n. Los Angeles Santa Monica Mtns., 405 fwy to Mulholland Dr., 1.5 mi. to dirt road on left (Mulholland Dr.), approx. 8 mi. on left side of road. 540 Comment
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May 7 2015
  SEINET12088955  Dendromecon rigida C. V. Braun 1975-1 140 Los Angeles T6N, R15W, 2 mi SW of junction with Spunky Canyon Road Comment
  UC534834  Deschampsia danthonioides Victor Duran 1933-7-9 3507 Los Angeles San Gabriel Mts., Horse Flats 1676 Comment
  UC857339  Descurainia pinnata I. W. Clokey and B. C. Templeton 1930-4-8 4658 Los Angeles w of Lancaster 400 Comment
  POM307360  Descurainia pinnata Henry J. Ramsey, Henry J. Ramsey 1937-3-21 2179 Los Angeles Altadena. Comment
  CAS-BOT-BC43492  Descurainia sophia Roxana S. Ferris; Ruth P. Rossbach 1938-5-13 9478 Los Angeles 5 miles west of Lancaster on Antelope Valley Road. Comment
  CAS-BOT-BC402269  Dicentra chrysantha Fordyce Grinnell, Jr. 1916-9-2 s.n. Los Angeles San Gabriel Mts. near Pasadena Comment
  RSA433538  Dicentra chrysantha Kenneth R. Montgomery, T. Strid 1973-5-19 73 -82 Los Angeles Site of LASCA Cistus field plot, at Dillon Divide. Comment
  UC1133894  Dichelostemma capitatum A. D. Gifford 1935-3-6 445 Los Angeles 2.5 mi sw Red Mtn.; Angeles National Forest, Tejon Quad. 487 Comment
  SD237232  Dicksonia antarctica Lorraine Weller 2008-8-25 Los Angeles South Coast; Foot of Santa Monica Mtns.: Pacific Palisades. In residential neighborhood called Huntington Palisades at 525 Almoloya St. 79 Comment
  CAS-BOT-BC152894  Diplacus brevipes Reid Moran 1941-5-17 860 Los Angeles On north side of Pico Canyon, north of San Fernando Comment
  CAS-BOT-BC153047  Diplacus fremontii F. W. Peirson 1921-5-19 2744 Los Angeles Little Rock Creek, San Gabriel Mts. 1036 Comment
  CAS-BOT-BC153054  Diplacus fremontii L. R. Abrams 1941-4-24 13948 Los Angeles Between Big Rock Creek and Little Rock Creek on State Highway 138 Comment
  SD217382  Diplacus parviflorus Steve Boyd, Tim Ross and Laurel Arnseth 1990-4-8 4312 Los Angeles San Clemente Island. East side of island, near Malo Point, first canyon south of Bryce Canyon. Comment
  CAS-BOT-BC43552  Diplotaxis muralis Crawford; Hall 1916-3-29 987 Los Angeles Santa Monica Mountains. Topanga Canyon. Comment
  SBBG12185  Distichlis littoralis E. R. Blakley 1961-9-23 4729 Los Angeles Ballast Pt, Catalina Harbor Comment
  UCR275017  Distichlis spicata Michael Honer, Rachel Woodard 2006-4-18 2196 Los Angeles Tehachapi Mountains area, C. 2 miles east of Quail Lake, 1 mile north of Hwy 138 976 Comment
  CAS-BOT-BC43577  Dithyrea californica Marjorie Shaw; Edna Spaulding; Mrs. C. L. Walton 1917-4-6 s.n. Los Angeles Antelope Valley. Comment
  RSA461492  Dodecatheon clevelandii Helen M. Oster 1924-3-22 s.n. Los Angeles Between Vermont and Western Comment
  RSA461487  Dodecatheon clevelandii Anstruther Davidson 1890-02 s.n. Los Angeles Los Angeles. Comment
  RSA719636  Dodecatheon clevelandii subsp. clevelandii R. G. Swinney 1998-3-14 5908 Los Angeles Evey Canyon, ca. 0.75 mi. W of Mt. Baldy Rd., ca. 0.3 mi. NE of Potato Mtn. 793 Comment
  UCR150386  Draba corrugata L. C. Wheeler 1970-7-26 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, N slope of Mount Hawkins Comment
  RSA642030  Draba corrugata var. corrugata Orlando Mistretta 1993-6-24 887 Los Angeles San Gabriel Mountains: Devils Backbone Ridge. 2453 Comment
  RSA229141  Drymocallis glandulosa var. reflexa Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38900 Los Angeles San Gabriel Mountains, Angeles National Forest: Canyon above Angeles Crest Hwy. ca. 1 mile W of Vincent Gap, at one of headwaters of E fork Big Rock Creek N-face Mt. Baden-Powell. 2332 Comment
  RSA507007  Drymocallis glandulosa var. viscida Robert F. Thorne, M. Z. Thorne 1969-7-10 38388 Los Angeles San Gabriel Mountains; Angeles National Forest: Along Angeles Crest Hwy. 1.1 mile NE of Pine Hollow Picnic Ground. 2134 Comment
  POM817  Dryopteris arguta C. F. Baker 1903-8-2 3660 Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  RSA549193  Dryopteris arguta T. S. Ross, Peter Fritsch 1990-6-20 3684 Los Angeles San Gabriel Mountains: Rincon-Red Box Rd (2N24); ridgetop between W Fork San Gabriel River and Roberts Canyon 1329 Comment
  RSA693686  Dryopteris arguta Kenneth A. Wilson 1994-7-9 2454 Los Angeles Malibu Creek State Park, southwest end of Century Lake Comment
  LA99088  Dudleya caespitosa Joan Malloy; 1962-5-20 sn Los Angeles Santa Monica Mountains, Point Dume, on coastal bluff 15 Comment
  CAS-BOT-BC428411  Dudleya lanceolata Alice Eastwood 1919-6-20 9043 Los Angeles Mt. Wilson Comment
  UCR126777  Dudleya lanceolata Mark A. Elvin 2003-6-12 2942 Los Angeles Santa Clarita Valley, Newhall Ranch, south side of Potrero Canyon, south of Potrero Mesa 335 Comment
  UCR280804  Dudleya lanceolata Mitch Provance 2017-5-5 517- 50 Los Angeles San Gabriel Mountains, Barrett Canyon, N side of Barrett Canyon Rd., just before the village 1174 Comment
  CAS-BOT-BC428410  Dudleya lanceolata Alice Eastwood 1919-7-4 9302 Los Angeles Elysian hills Comment
  CATA3556  Dudleya virens subsp. insularis Peter J. Dixon 2018-6-18 120 Los Angeles Santa Catalina Island: Interior; Isthmus Road, Deer Springs watershed, +/- 0.75 mi N. of Tower Peak, 2 mi W. of village of Two Harbors. Rocky road embankment, breccia, volcanic. 0 Comment
  SFV12547  Dysphania ambrosioides M. H. Grayum, D. L. Koutnik, B. Balch 1977-11-20 861 Los Angeles San Fernando Valley Big Tujunga Wash,, on mud flats just behind Hansen Dam. 305 Comment
  UCR210708  Dysphania botrys R. G. Swinney 2008-9-10 9413 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek 1463 Comment
  CAS-BOT-BC197026  Echinochloa colona Dr. A. Davidson 1894-11-1 s.n. Los Angeles Los Angeles Comment
  UCD60789  Echinochloa colona Louis C. Wheeler 1970-10-15 s. n. Los Angeles Los Angeles: Huntington Drive and Collins Avenue. Comment
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Oct 17 2014
  UCR117121  Ehrharta erecta A. C. Sanders, D. Malueg 2001-5-17 24314 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
  RSA0113909  Ehrharta erecta Steven A. Junak 1999-4-22 SCa- 834 Los Angeles Santa Catalina Island. Between YMCA & San Diego Yacht Club facilities. 6 Comment
  UCR180360  Eleocharis macrostachya Scott D. White, Pam Devries 2006-5-9 11407 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
  RSA756753  Eleocharis montevidensis R. G. Swinney 2008-6-25 9104 Los Angeles Glendora, Harrow Canyon Debris Basin, seep on north-central side 387 Comment
  UCR275289  Eleocharis palustris Jeremiah George, Audrey J. George 2012-4-15 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
  UC1595423  Eleocharis parishii Tim Ross 1992-7-10 6667 Los Angeles between Coldwater and Wickiup Canyons Big Tujunga Creek (stream margin); San Gabriel Mountains 967 Comment
  UCR150358A  Eleusine indica Scott D. White 2003-10-14 9835 Los Angeles San Gabriel Mtns, foothills above Sierra Madre. Los Angeles Dept. of Public Works "Sierra Madre Villa' Debris Basin 335 Comment
  RSA0099413  Elymus elymoides subsp. elymoides R. G. Swinney 2011-8-5 15595 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
  SEINET4134699  Elymus elymoides subsp. elymoides Scott D. White, Pam DeVries 1998-1 6762 Los Angeles Soledad Canyon Area: Proposed quarry area N of Soledad Cyn. Rd., S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Cyn. USGS 7.5' Agua Dulce quad.; 0 549 Comment
  RSA733579  Elymus glaucus R. G. Swinney 1998-7-29 6552 Los Angeles San Gabriel Mtns.: c. 100 m downstream from upper Fish Fork Campground 1817 Comment
  SBBG127037  Elymus glaucus subsp. glaucus A. Parikh, N. Gale 2011-6-28 3522 Los Angeles upper Big Tujunga Cyn, just S of Shortcut Station, 0.5 km N of St Hwy 2; San Gabriel Mtns 1283 Comment
  SEINET4674720  Elymus hispidus Tim Ross, Walter Appleby 1993-5-19 7172 Los Angeles Western San Gabriel Mtns: ca 120 m ESE of Wilson Canyon Saddle along old Forest Service loop road; San Fernando 7.5' USGS quad.; 0 960 Comment
  SFV2954  Emmenanthe penduliflora K. A. Wilson 1961-3-1 884 Los Angeles Santa Monica Mountains Mulholland Highway about 2 miles west of Las Virgenes Highway. 300 Comment
  RSA82725  Emmenanthe penduliflora var. penduliflora P. A. Munz 1925-4-23 9455 Los Angeles San Gabriel Canyon. 488 Comment
  RSA77256  Emmenanthe penduliflora var. penduliflora F. W. Peirson 168 Los Angeles Benedict s Canyon Comment
  RSA715749  Encelia actoni Scott D. White, Andrea Warniment 2006-7-7 11627 Los Angeles Gorman area, west of the I-5 Freeway at SR-138 interchange. SE Tehachapi Mts. 1006 Comment
  UCR280535  Encelia actoni R. G. Swinney 2014-4-10 16027 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  CAS-BOT-BC131213  Encelia californica Peter H. Raven 1956-6-17 9409 Los Angeles N.W. of Sunset Blvd. at Sepulveda Blvd. on slopes of the Santa Monica Mountains Comment
  JEPS16886  Encelia californica Peter H. Raven 1956-6-17 9409 Los Angeles chapparral nw of Sunset Boulevard at Sepulveda Boulevard (on the slopes of the Santa Monica Mountains); Santa Monica Mountains Comment
  POM4937  Encelia californica C. L. Hitchcock 1918-7-3 5 Los Angeles San Fernando Side of Topango [Topanga] Canyon Road. Comment
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May 29 2014
  RSA0051645  Encelia californica Harold L. Pirie 1963-5-10 s.n. Los Angeles Santa Monica Mts., Along Mulholland Dr. just west of Taconis Ranch Rd. 304 Comment
  LA6780  Ephedra nevadensis Louis Wheeler; 1932-4-10 602 Los Angeles 2 mi. W Palmdale 761 Comment
  RSA177589  Ephedra nevadensis S. Carlquist 1965-4-22 1700 Los Angeles 11 miles east of Palmdale. Comment
  UC569523  Ephedra viridis G. T. Nordstrom 1935-3-24 408 Los Angeles 1.75 mi se of the mouth of Beartrap Canyon (Beartrap Canyon a tributary of Piru Creek) 792 Comment
  CAS-BOT-BC166253  Epilobium canum subsp. canum S. B. Parish; W. F. Parish 1881-10-1 556 Los Angeles Sta Monica Comment
  SD48945  Epilobium canum subsp. canum Reid Moran 1958-9-15 6835 Los Angeles San Clemente Island; canyon, 1.8 miles southeast of Eel Point. 99 Comment
  UCR128016  Epilobium canum subsp. canum Mark A. Elvin 2003-8-13 2981 Los Angeles NE end of the Santa Susana Mtns., Newhall Ranch, Potrero Canyon south of Potrero Creek 360 Comment
  UCR271585  Epilobium canum subsp. canum R. G. Swinney 2011-11-3 15998 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre 549 Comment
  RSA588508  Epilobium canum subsp. latifolium Fordyce Grinnell Jr. 1917-08 3270 Los Angeles [Locality unspecified] Comment
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Apr 17 2016
  RSA602313  Epilobium canum subsp. latifolium Steve Boyd, Lauren Raz 1997-6-17 9948 Los Angeles Liebre Mountains region: Little Burnt Peak, at the divide between the head of Fish and Burnt canyons, north of Burnt Peak and southeast of Sawmill Mountain summit. 1597 Comment
  UCR190863  Epilobium ciliatum R. G. Swinney 1998-8-6 6687 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 Comment
  RSA188546  Epilobium ciliatum subsp. ciliatum Robert F. Thorne, J. Olmstead 1965-8-16 35417 Los Angeles Angeles national Forest, swampy woods along Prairie Fork, in mixed evergreen forest 1585 Comment
  RSA0127464  Epilobium ciliatum subsp. ciliatum Louis C. Wheeler 1967-7-18 10103 Los Angeles Gold Creek off Little Tujunga Canyon. 549 Comment
  RSA228969  Epilobium glaberrimum subsp. glaberrimum Robert F. Thorne 1971-8-25 41311 Los Angeles San Gabriel Mountains, Angeles National Forest: near Windy Spring on N slope of Mt. Islip. 2256 Comment
  RSA162802  Epipactis gigantea J. D. Olmsted 1959-9-30 1064 Los Angeles 1.25 mi. west of Mt. Baldy Trail on side trail to edge of Cattle-Cow Canyon drainage Comment
  RSA615470  Epipactis gigantea Louis C. Wheeler 1968-7-3 s.n. Los Angeles North side of Bichota Canyon, east of heliport 1402 Comment
  SD82576  Equisetum hyemale subsp. affine Louis C. Wheeler 1931-7-26 Los Angeles San Antonio Mountains, Palmer Canyon 730 Comment
  UCR208113  Equisetum hyemale subsp. affine L. C. Wheeler 1932-5-4 679 Los Angeles Transverse Range; San Gabriel Mtns., San Dimas Canyon 381 Comment
  CDA42481  Equisetum hyemale subsp. affine Henson 1929-7-24 s.n. Los Angeles Griffiths Park; Los Angeles. 0 Comment
  RSA608939  Equisetum telmateia var. braunii L. C. Wheeler 1931-6-21 s.n. Los Angeles Base of San Gabriel Mountains: Live Oak Canyon. Comment
  RSA612917  Equisetum telmateia var. braunii L. C. Wheeler 1931-8-27 29 Los Angeles San Dimas Canyon, San Gabriel Mts. 381 Comment
  CDA31773  Eragrostis mexicana Phillipson 1915-6-1 s.n. Los Angeles South Santa Anita. Comment
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Jan 17 2015
  UCD63887  Eragrostis mexicana subsp. virescens A. A. Beetle 1946-4-18 4230 Los Angeles Azusa. Comment
  POM50506  Eremalche exilis A. D. E. Elmer 1902-06 3674 Los Angeles Lancaster. Comment
  RSA421541  Eremocarpus setiger Louis Greata 1900-9-23 1931 Los Angeles Old fields. Comment
  UC55344  Eriastrum densifolium subsp. austromontanum J. H. Barber 1897-6-26 192 Los Angeles Aliso Canyon Comment
  CAS-BOT-BC512644  Eriastrum densifolium subsp. austromontanum H. E. Hasse 1893-8-20 s.n. Los Angeles At Acton and in the mountains Comment
  RSA0074207  Eriastrum eremicum subsp. eremicum Anstruther Davidson 1927-07 s.n. Los Angeles Llano. Mohave Desert. Comment
  JEPS69102 Image available Eriastrum pluriflorum P. A. Munz and T. Craig 1933-5-13 12925 Los Angeles 10 mi s Muroc; Mohave Desert Comment
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Jul 17 2011
  CHSC40094  Eriastrum sapphirinum K. Bandegee 1910-1-1 135 Los Angeles Ravenna, in the Upper Sonoran Zone, not far from the borders of the Mohave Desert. 750 Comment
  UC75274  Eriastrum sapphirinum C. F. Baker 1903-7-20 3345 Los Angeles Claremont Comment
  UC184242  Eriastrum sapphirinum A. D. E. Elmer June 1902 3710 Los Angeles Acron Comment
  UC2062537  Eriastrum sapphirinum subsp. dasyanthum Sarah J. De Groot with Linda Lee Worlow 2005-5-26 5013 Los Angeles Claremont: vacant lot on NW corner of Foothill Blvd and Monte Vista Ave. Bajada of the San Gabriel Mountains. Comment
  RSA0121262  Eriastrum sapphirinum subsp. dasyanthum Geo L. Moxley 1917-5-30 s.n. Los Angeles Eagle Rock. Comment
  RSA0111941  Ericameria cooperi Richard G. Swinney 2011-4-19 14416 Los Angeles San Gabriel Mountains: San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  RSA773981  Ericameria cuneata R. G. Swinney 2009-7-22 11320 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 Comment
  CAS-BOT-BC287622  Ericameria linearifolia Barbara Shervanick 1974-4-28 1215 Los Angeles Highway 138 about 0.75 mile NW of highway 395, Mormon Rocks, Antelope Valley, San Gabriel Mt Range 944 Comment
  RSA730078  Ericameria linearifolia R. G. Swinney 1999-6-5 7243 Los Angeles San Gabriel Mtns.: east side of Big John Peak, west of Mescal Creek above Big John Flat. 1780 Comment
  RSA772303  Ericameria linearifolia R. G. Swinney 2009-4-28 10530 Los Angeles summit of Mt. Emma 1585 Comment
  RSA799686  Ericameria linearifolia Pam De Vries 2013-4-3 7833 Los Angeles Tehachapi Mountains/Western Transverse Range (Gorman Hills). About 0.75 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Road. 1035 Comment
  UCR209451  Ericameria nauseosa subsp. consimilis R. G. Swinney 2008-10-10 9554 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  CAS-BOT-BC298049  Ericameria nauseosa var. mohavensis Frank W. Peirson 1928-9-5 8192 Los Angeles Lower part of road from Rock Creek to Big Pines, San Gabriel Mts 1280 Comment
  LA200227  Ericameria palmeri var. pachylepis Louis Wheeler; 1931-10-16 254 Los Angeles University of California, Los Angeles, UCLA Campus Comment
  POM4715  Ericameria pinifolia C. F. Baker 1903-8-1 4076 Los Angeles Claremont. Comment
  RSA674578  Erigeron breweri var. covillei Scott D. White 2000-8-25 8130 Los Angeles San Gabriel Mts: Tanbark Flats, in San Dimas Experimental Forest. 732 Comment
  UC1124327  Eriodictyon crassifolium A. Lewis Feb 1934 295 Los Angeles s Gold Creek; Angeles Natl Forest, San Fernando Quad., s of Gold Creek Comment
  CAS-BOT-BC33608  Eriodictyon crassifolium var. nigrescens Adolph Daniel Edward Elmer 1902-6-1 3596 Los Angeles Acton Comment
  IRVC29634  Eriodictyon crassifolium var. nigrescens A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26199 Los Angeles Castaic Valley at west foot of Castaic Mesa, Newhall Ranch Western San Gabriel Mtns. 366 Comment
  UCD119330  Eriodictyon parryi R. J. Tinkler 1969-6-28 s.n. Los Angeles Angeles Crest Highway. Comment
  RSA654191  Eriodictyon trichocalyx Marilyn Porter 1991-5-5 6 Los Angeles Upland at San Bernardino County line north from parking area at Shinn Road and Mount Baldy Road, followed abandoned road in flood plain. Start: (1/2) ? mile in. Stopped: (2)? miles. 670 Comment
  RSA529168  Eriodictyon trichocalyx var. trichocalyx Tim S. Ross 1991-7-24 5641 Los Angeles San Gabriel Mountains, Granite Mountain: NNE slope. 1902 Comment
  SEINET6053984  Eriogonum angulosum Louis C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabreil Mtns. 2 mi NE of Vincent Comment
  RSA759009  Eriogonum baileyi R. G. Swinney 2008-10-8 9540 Los Angeles Table Mountain West, north of Big Pines 2284 Comment
  RSA766418  Eriogonum baileyi Joseph A. Ewan 1936-8-5 9953 Los Angeles Mescal Creek 1372 Comment
  UCR118538  Eriogonum baileyi var. baileyi David Charlton, Robb Fishman 1990-8-30 3905 Los Angeles Western Mojave Desert, NE Palmdale, corner of Ave 'P' and Sierra Hwy 793 Comment
  CAS-BOT-BC241585  Eriogonum baileyi var. baileyi Frank W. Peirson 1928-9-4 8188 Los Angeles Rock Cr. 1 mile below Pallett Cr., Mohave [Mojave] Desert Comment
  CLARK-A1528-3665  Eriogonum cinereum John C. Roos 1942-9-26 1727 Los Angeles Santa Monica Comment
  JEPS56929  Eriogonum cithariforme Frank W. Peirson 1921-5-20 2411 Los Angeles Little Rock Creek 975 Comment
  RSA393164  Eriogonum cithariforme var. agninum Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  RSA524201  Eriogonum davidsonii Tim S. Ross, S. D. Boyd 1990-6-6 2894 Los Angeles Piru Pond: Los Padres National Forest. (admin. by Angeles N.F.) 645 Comment
  UC1584917  Eriogonum davidsonii Tim Ross, Steve Boyd 1991-7-24 5645 Los Angeles nne slope Grantite Mountain Granite Mountain, Pacifico Mountain USGS 7.5' quadrangle 1901 Comment
  UCR194063  Eriogonum davidsonii R. G. Swinney 1999-6-5 7259 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  UC1537275  Eriogonum deflexum var. baratum Gordon H. True Jr. 1936-5-17 310 Los Angeles hills s Littlerock 914 Comment
  SEINET253243  Eriogonum elongatum Mrs. H. P. Bracelin 1931-10-11 571 Los Angeles Topanga Canyon, about three mile east of ocean beach. Santa Monica Mts. Comment
  UC72678  Eriogonum elongatum var. elongatum Pupils of Los Angeles High School under Miss E. Palmer May 1901 Los Angeles Claremont Comment
  RSA630280  Eriogonum elongatum var. elongatum LeRoy Gross 1999-2-25 117 Los Angeles Verdugo Mountains: Side canyon, drains north into La Tuna Canyon 610 Comment
  IRVC26153  Eriogonum fasciculatum A. C. Sanders 2003-6-19 26968 Los Angeles hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 366 Comment
  OBI44791  Eriogonum fasciculatum David J. Keil, V. L. Holland, Michael Stile, and Francis Villablanca 1987-5-1 20050 Los Angeles Angeles Natl Forest, Littlerock Reservoir Comment
  RSA747091  Eriogonum fasciculatum A. C. Sanders, T. B. Salvato 2009-5-19 36817 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
  SEINET11931588  Eriogonum fasciculatum R. A. Schlising 1971-1 3008 Los Angeles Lopez Canyon, N of Pacoima Comment
  UCR280901  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2014-4-23 16176 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains 1256 Comment
  CATA1924  Eriogonum fasciculatum var. fasciculatum Amy Catalano 2014-9-22 014 Los Angeles Santa Catalina Island: Along El Rancho Escondido Road, ca. 0.75 air miles from southwest end of runway at Airport 288 Comment
  HSC65733  Eriogonum fasciculatum var. fasciculatum R. F. Thorne, D. Propst, M. Haefs 1974-9-12 45110 Los Angeles Santa Catalina Island, halfway between airport and Rancho Escondido 274 Comment
  RSA393445  Eriogonum fasciculatum var. foliolosum G. R. Johnstone 1930-6-22 s.n. Los Angeles Near Ravenna; Soledad Canyon. Comment
  RSA596220  Eriogonum fasciculatum var. foliolosum Tim S. Ross, Peter Fritsch 1990-6-11 3401 Los Angeles San Gabriel Mountains, Little Rock Creek: Joshua tree Campground on SW side of Little Rock Creek reservoir 997 Comment
  POM90459  Eriogonum giganteum var. giganteum George B. Grant 1902-8-6 s.n. Los Angeles Santa Catalina Island. Comment
  SBBG121836  Eriogonum gracile var. gracile A. Parikh, N. Gale 2005-6-18 788 Los Angeles Portal Ridge, 0.9 km NW of intersection of N2/Johnson Rd, 1.1 km SE of intersection of N2/Munz Ranch Rd 1015 Comment
  RSA568838  Eriogonum gracile var. gracile Bonnie C. Templeton 1939-9-6 s.n. Los Angeles Playa del Rey. 40 Comment
  SEINET3385928 Image available Eriogonum gracile var. gracile H. E. Hasse 1892-8-1 Los Angeles Santa Monica, Uplands and foothills Comment
  RSA611806  Eriogonum heermannii var. heermannii Louis C. Wheeler 1968-9-7 s.n. Los Angeles San Gabriel Mtns.: Big John Flat. 1677 Comment
  CAS-BOT-BC263040  Eriogonum maculatum A. D. E. Elmer 1902-6-1 s.n. Los Angeles Acton Comment
  CAS-BOT-BC263041  Eriogonum maculatum Frank W. Peirson 1927-5-7 7264 Los Angeles 4 miles east of Lancaster Comment
  JEPS56746  Eriogonum mohavense Frank W. Peirson 1919-5-11 407 Los Angeles Soledad Canyon San Gabriel Mountains, Soledad Canyon 807 Comment
  RSA393687  Eriogonum mohavense N. C. Cooper 1943-11-20 972 Los Angeles Lancaster. Mojave Desert 762 Comment
  RSA0091158  Eriogonum molestum R. G. Swinney 2011-10-10 15735 Los Angeles east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1537 Comment
  RSA65985  Eriogonum nudum var. pauciflorum F. R. Fosberg, Joseph A. Ewan 1931-8-11 5039 Los Angeles Islip Trail, Upper Pine Flats; San Gabriel Mountains 1829 Comment
  CAS-BOT-BC269773  Eriogonum nudum var. pauciflorum James L. Reveal; Barbara J. Ertter 1976-6-28 4557 Los Angeles San Gabriel Mountains, along the road from Mill Creek Summit to Mt. Gleason, 1.1 mile northwest of Mill Creek Summit 1615 Comment
  RSA273156  Eriogonum nudum var. pauciflorum Glenn A. Gorelick 1966-8-28 s.n. Los Angeles Big Rock Creek, near Valyermo. Comment
  RSA0081629  Eriogonum nudum var. pubiflorum R. G. Swinney 2010-9-9 13734 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  SFV21984  Eriogonum parishii J. N. Hogue 2011-7-23 397 .1 Los Angeles San Gabriel Mountains Camp Eaton (= old Camp Cumorah Crest). 1860 Comment
  RSA424838  Eriogonum pusillum Anstruther Davidson, H. E. Hasse 1906-6-1 1617 Los Angeles Big Rock Creek, Lowell Mine. Comment
  SD231415  Eriogonum pusillum Sula Vanderplank, Leroy Gross & Steve Hoskinson 2005-5-6 50506 46 Los Angeles Transverse Ranges; San Gabriel Mountains region: Off Big Pines Hwy (road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. 1444 Comment
  PASA1489  Eriogonum pusillum 1926-5-30 Los Angeles Mohave Desert Comment
  JEPS56439  Eriogonum roseum Ralph Hoffmann 1927-8-31 2672 Los Angeles ne Acton Comment
  CAS-BOT-BC267576  Eriogonum saxatile Le Roy Abrams 1901-7-10 1901 Los Angeles Wilson's Peak 1767 Comment
  RSA424910A  Eriogonum saxatile Thekla Mohr 1915-1 1508 Los Angeles North Fork, San Gabriel River. Comment
  UCR223195  Eriogonum saxatile R. G. Swinney 2009-7-22 11302 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  RSA424906A  Eriogonum saxatile Geo. L. Moxley 1915-7-23 429 Los Angeles San Gabriel Mountains: near summit of Strawberry Peak. Comment
  RSA761705  Eriogonum umbellatum R. G. Swinney 2008-10-10 9570 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  RSA0099412  Eriogonum umbellatum var. minus R. G. Swinney 2011-8-5 15593 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
  CAS-BOT-BC268204  Eriogonum umbellatum var. munzii Steve Boyd; Timothy S. Ross; Laura Moore; Valerie Soza 1997-7-8 10014 Los Angeles Liebre Mountains Region: Upper northern flank of Liebre Mountain at head of Tentrock Canyon along dirt track northeast of Forest Service wildlife drinker site 1584 Comment
  UCR209419  Eriogonum wrightii R. G. Swinney 2008-10-8 9514 Los Angeles San Gabriel Mtns., Ball Flat, north of Jackson Lake 1890 Comment
  UC1584885  Eriogonum wrightii var. subscaposum Tim Ross, Steve Boyd 1991-7-24 5625 Los Angeles ridge nne Granite Mountain; Granite Mountain vicinity, Pacifico Mountain USGS 7.5' quad. 1865 Comment
  POM357947  Eriophyllum confertiflorum M. B. Dunkle 1932-6-2 2163 Los Angeles Santa Catalina Island. White's landing Comment
  SDSU4088  Eriophyllum confertiflorum H. Wedberg 1967-3-19 1366 Los Angeles About 100 m south from Palos Verdes Dr. x Crenshaw, in Palos Verdes Hills. 61 Comment
  SDSU4092  Eriophyllum confertiflorum Thomas A. Zink 1971-4-1 Los Angeles Above St. Andrews Rd. near the 2300 block of Chevy Chase Canyon. 579 Comment
  UCD132122  Eriophyllum confertiflorum Kenneth A. Wilson 1961-4-10 1139 Los Angeles Santa Susana Mountains. Southern arm of Bee Canyon-Mission Point (or Peak) area. 762 Comment
  UCR260342  Eriophyllum confertiflorum R. G. Swinney 2010-5-4 12562 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  CHSC8096  Eriophyllum confertiflorum var. confertiflorum Edward L. Smith 1957-4-30 251 Los Angeles Located at Claremont. 365 Comment
  RSA653901  Eriophyllum confertiflorum var. confertiflorum Valerie L. Soza, Shalini Deo, Stephen Dreher 2000-4-27 817 Los Angeles Verdugo Mountains, south side: Stough Canyon, along Stough Canyon Avenue (Walnut Avenue) before gate to nature center, W of De Bell Municipal Golf Course. 396 Comment
  SBBG61059  Eriophyllum confertiflorum var. confertiflorum R. Hoffmann 1927-6-13 Los Angeles Chandler's, Ridge Route (US Hwy 99) Comment
  UC1587745  Eriophyllum confertiflorum var. confertiflorum Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5274 Los Angeles w fork of Near-Death Canyon (draining to Mosquito Cove (drainage beginning 800 ft n of Rest [1336 ft] marker; 1800 ft se Malo Knoll [1336 ft]); upper portion of drainage); San Clemente Island, Near-Death Canyon 304 Comment
  UC468942  Eriophyllum confertiflorum var. confertiflorum C. F. Millspaugh 1920-3-9 4759 Los Angeles Pebble Beach Road Santa Catalina Island Comment
  UC90262  Eriophyllum confertiflorum var. confertiflorum T. S. Brandegee and K. 1890-5-6 Los Angeles San Pedro Comment
  CAS-BOT-BC308344  Eriophyllum nevinii Nevin; Lyon 1884-4-1 s.n. Los Angeles San Clemente Island Comment
  CAS-BOT-BC308357  Eriophyllum nevinii Reid Moran 1941-4-27 833 Los Angeles Near east landing, Santa Barbara Island 10 Comment
  RSA518033  Eriophyllum wallacei Steve Boyd, Orlando Mistretta 1986-3-31 1537 a Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  UCSB6533  Eriophyllum wallacei Kamb, Peter 1948-6-26 Los Angeles Tujunga Wash near Sunland 350 Comment
  SBBG96631  Erodium botrys S. Boyd with T. Ross, L. Arnseth 1990-4-6 4138 Los Angeles Stone House Field Stn on E side of island, headland between Stone and Burns Cyns 457 Comment
  RSA533975  Erodium brachycarpum Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5191 Los Angeles San Clemente Island, southeast portion of the island, low saddle 800 ft NNW of Guds (888 ) marker. 232 Comment
  UC17098  Erodium cicutarium J. Burtt Davy May 9 1896-May 24 1896 2585 Los Angeles near West Palmdale; Antelope Valley Comment
  UCR260392  Erodium cicutarium R. G. Swinney 2010-2-27 11667 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  RSA652795  Erodium cicutarium Jim Reutzel 1994-5-8 33 Los Angeles Found all over the campus at lower elevations. Hills behind the Cal Poly Pomona University Health Center. Comment
  UCR95750  Erodium moschatum L. C. Wheeler 1967-4-9 9182 Los Angeles San Gabriel Mtns., San Gabriel Canyon, Canyon Inn [2280 North San Gabriel Canyon Rd., Azusa] 244 Comment
  RSA724807  Erysimum capitatum K. Dobry 1991-6-24 d- 735 Los Angeles At Soka Univ. Santa Monica Mts. Las Virgenes and Mulholland Hwy. Comment
  RSA530310  Erysimum capitatum var. capitatum Robert Gustafson 1973-5-17 s.n. Los Angeles Charlton Flats campground, Angeles Natl. Forest 1677 Comment
  RSA303596  Erysimum capitatum var. capitatum J. R. Shevock 1970-3-7 22 Los Angeles Big Tujunga Canyon 610 Comment
  SDSU10775  Erythranthe guttata Gerald Collier 1951-5-5 Los Angeles Santa Anita Canyon, 1 mmile from base of Chantry Flats Trail, up canyon. San Gabriel Mtns. Comment
  UCR190611  Eschscholzia caespitosa R. G. Swinney 2000-6-25 7795 Los Angeles San Gabriel Mtns., lower San Antonio Canyon, c. 70 m west of San Antonio Canyon Rd. and 80 m south of Shinn Rd. 793 Comment
  RSA757995  Eschscholzia californica D. E. Bramlet, Jennifer Pareti 2008-4-14 4181 Los Angeles Transverse Ranges: Liebre Mtns reg: Bouquet Cyn.; Creek SE of Bouquet Cyn Rd and Vasquez Cyn. Road. Comment
  CAS-BOT-BC403166  Eschscholzia californica D. W. Kyhos 1962-3-15 62 -33 Los Angeles Point Dume Comment
  POM183617  Eschscholzia californica var. peninsularis J. Ewan 1929-5-4 3466 Los Angeles 1 mile from mouth of Santa Ynez Canyon, Santa Monica Mts. Comment
  POM18760  Eschscholzia minutiflora P. A. Munz 1923-5-25 6802 Los Angeles Big Rock Creek, San Gabriel Mts. 1280 Comment
  UCR205527  Eucalyptus citriodora A. C. Sanders, T. B. Salvato 2009-5-19 36842 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines adjacent to Kaiser Hospital north of corner of Paramount Blvd. and N Montebello Blvd. 117 Comment
  RSA11016  Eucrypta chrysanthemifolia Carl B. Wolf 1928-4-1 1612 Los Angeles Santa Susanna Pass, 0.5 miles from summit. 457 Comment
  RSA167656  Eucrypta chrysanthemifolia Peter H. Raven, Robert F. Thorne 1964-5-7 19023 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  RSA151311  Eucrypta chrysanthemifolia Peter H. Raven 1962-5-10 17719 Los Angeles Near head of canyon north of Thirst (south side), San Clemente Island. 427 Comment
  UCSB21854  Eucrypta chrysanthemifolia Day, Fran 1964-4-25 Los Angeles 16 miles south of Gorman along Highway 99 670 Comment
  CHSC95778  Eucrypta chrysanthemifolia var. chrysanthemifolia LeRoy Gross; Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 702 Los Angeles Transverse Ranges: Verdugo Mountains Region; South side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned Summer-Fall of 2002. 695 Comment
  UC1922282  Eucrypta chrysanthemifolia var. chrysanthemifolia Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 681 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999. Near 34deg 14' 18.3'' N 118deg 17' 17.3'' W T2N 579 Comment
  SBBG126127  Eulobus californicus A. C. Sanders with T. B. Salvato, M. Provance 2009-5-28 37025 Los Angeles San Gabriel River channel between Ramona Blvd and Lower Azusa Rd, sw lobe of Irwindale between Baldwin Park and El Monte 92 Comment
  UCD142536  Euphorbia albomarginata Geoffrey Levin 1975-5-17 520 Los Angeles 1.5 miles east on State 138 from junction with State 18 near Pinyon Hills. 1158 Comment
  UCR148842  Euphorbia dendroides Hartman 2002-5-21 PDR 1253860 Los Angeles Transverse Range; San Gabriel Mtns., Angeles National Forest, Big Santa Anita Canyon Comment
  SD138582  Euphorbia maculata Steven A. Junak 1990-11-9 SCI 144 Los Angeles San Clemente Island, north end of the island just SE of passenger terminal building at airfield, scattered; disturbed flats 60 Comment
  RSA607629  Euphorbia prostrata L. C. Wheeler 1951-8-19 6833 Los Angeles Pasadena. 1870 E. Walnut St. Comment
  UCR239860  Euphorbia serpens O. F. Clarke 2007-10-16 s.n. Los Angeles San Gabriel Valley, Pomona College, Claremont 259 Comment
  RSA187870  Euphorbia spathulata R. F. Thorne 1966-4-4 35774 Los Angeles Santa Catalina Island. Blue Cavern Point, NE of Isthmus Cove. 30 Comment
  CDA33533  Euphorbia terracina Burton 2010-12-15 s.n. Los Angeles Rowland Heights. 17250 Colima Road. 0 Comment
  JEPS30670  Euthamia occidentalis Peter H. Raven and Henry J. Thompson 1959-9-6 14382 Los Angeles mouth of Malibu Creek; Santa Monica Mountains, Malibu Creek 12 Comment
  SD51869  Extriplex californica Peter H. Raven 1962-7-11 18010 Los Angeles San Clemente Island; on grassy slopes, Wilson Cove. 60 Comment
  UCR139914  Festuca arundinacea Scott D. White 1997-5-14 5132 Los Angeles Base of San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, SW of 210 Freeway, east of Hansen Dam and north of Wentworth Street 351 Comment
  RSA0103786  Festuca microstachys R. G. Swinney 2011-4-20 14461 Los Angeles San Gabriel Mountains/ Western Mohave Desert: Vincent, 2.9 miles SE of Lake Palmdale on Carson Mesa, 100-200 m east of Angeles Forest Hwy 1000 Comment
  SEINET4554229 Image available Festuca microstachys R. G. Swinney 2005-5-21 8250 Los Angeles San Gabriel Mountains: west of Punch Bowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  UCR214612  Festuca myuros A. C. Sanders, Dan S. Cooper 2010-3-12 37353 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  SBBG56690  Festuca myuros var. hirsuta R. Hoffmann 1931-5-3 Los Angeles San Francisquito Cyn Comment
  CATA859  Festuca perennis Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1668 Los Angeles Santa Catalina Island: Little Harbor 4 Comment
  UCR258885  Ficus carica R. G. Swinney 2010-8-16 13527 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  SEINET10621140  Ficus carica Mary Merello, Heidi H. Schmidt 1999-12-7 Merello 2651 Los Angeles City of Glendale. Ara Deli, Armenian & Middle Eastern Foods, 1021 E. Broadway. Comment
  RSA0113948  Ficus microcarpa R. E. Riefner Jr. 2015-4-25 15 -127 Los Angeles City of Los Angeles, Lincoln Heights, S. Side of West Avenue 26 at Interstate 10 bridge. 109 Comment
  UCR259949  Filago californica R. G. Swinney 2010-4-28 12436 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
  RSA533944  Filago californica Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5216 Los Angeles San Clemente Island: 1300ft NNW of Guds (888') marker. 241 Comment
  RSA639247  Filago californica R. F. Thorne, M. Z. Thorne 1971-4-25 41342 Los Angeles San Gabriel Mountains: Johnson's Pasture north of Claremont. 609 Comment
  UCR94685  Forestiera pubescens A. C. Sanders, E. J. Lott 1993-5-6 13968 Los Angeles Western Mojave Desert, 13 miles north of Palmdale, Sierra Hwy at Ave 'F 701 Comment
  UCR256474  Frangula californica R. G. Swinney 2010-9-9 13769 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  CAS-BOT-BC52557  Frangula californica subsp. californica C. F. B. 1903-7-20 3443 Los Angeles Claremont Comment
  SBBG28517  Frangula californica subsp. cuspidata C. B. Wolf 1928-3-29 Los Angeles 2 mi from Sandbergs on the Ridge Route, on rd to Elizabeth Lake Comment
  SBBG28525  Frangula californica subsp. cuspidata F. W. Peirson 1919-6-15 727 Los Angeles Rock Crk, N slope 1295 Comment
  RSA156354  Frankenia grandifolia L. R. Abrams 1902-6-9 2500 Los Angeles Playa del Rey. Comment
  CAS-BOT-BC223746  Frankenia salina D. E. Breedlove 1961-9-24 1280 Los Angeles Ballast Point, S side of Catalina Harbor; Santa Catalina Island Comment
  CATA3205  Frankenia salina Julie L. King 2016-11-22 24 Los Angeles Santa Catalina Island: Big Springs Canyon, 0.5 miles north on Isthmus Rd. from junction with road to Little Harbor, 60 meters directly east of Isthmus Rd. in drainage 29 Comment
  SD112054  Frankenia salina Betsy Carpenter, Linda Allen 1975-3-21 Los Angeles Little Harbor. Comment
  UC407283  Frankenia salina LeRoy Abrams 1902-6-9 2500 Los Angeles Playa del Rey Comment
  RSA230218  Frasera neglecta Robert F. Thorne 1969-7-2 38256 Los Angeles Angeles National Forest: Upper Chilao Campground 1616 Comment
  RSA660068  Frasera neglecta Orlando Mistretta 1992-5-25 405 Los Angeles Fenner Canyon Conservation Camp. 1738 Comment
  RSA579534  Fraxinus uhdei Tim S. Ross, Steve D. Boyd 1994-5-24 7835 Los Angeles ''Cottonwood Swamp'' Confluence of San Francisquito Canyon stream and two tributaries draining off the southeast slopes of Red Mountain. Liebre Mount 512 Comment
  CHSC83014  Fremontodendron californicum Margie Graham 2002-4-30 Los Angeles San Gabriel Mountains, Western Transverse Ranges. Collected from the east side of old Hwy 99. 701 Comment
  RSA652043  Fremontodendron californicum E. Baldwin, Ernest Kimball 1959-5-19 s.n. Los Angeles San Dimas. Comment
  UCR206422  Fremontodendron californicum subsp. californicum R. G. Swinney 2008-6-4 8946 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, c. 100 m SW of park headquarters/nature center 1470 Comment
  PASA569  Fritillaria biflora Los Angeles Saugus Comment
  RSA367718  Fritillaria biflora E. Crow 1929-4-14 327 Los Angeles Hills 2 miles east of Glendora Comment
  SBBG15514  Fritillaria biflora W. G. Webb 1935-3-13 Los Angeles San Rafael Hills, N of Glendale Comment
  CDA3332  Galenia pubescens J. R. Ekhoff 1992-6-12 s.n. Los Angeles Signal Hill, Hill Street in the two-block area between Stanley and Ohio Avenues. Comment
  RSA703554  Galium andrewsii subsp. intermedium Gary D. Wallace, Ann Hiller 1983-5-18 2070 Los Angeles Dirt road W of Mt. Emma Rd. Comment
  IRVC29004  Galium angustifolium A. C. Sanders, Mark Elvin 2002-6-25 25271 Los Angeles Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 366 Comment
  POM367688  Galium angustifolium subsp. angustifolium Louis C. Wheeler 1931-9-20 154 Los Angeles Barret Canyon' off San Antonio Canyon, San Gabriel Mountains 1311 Comment
  RSA0094925  Galium angustifolium subsp. angustifolium R. G. Swinney 2011-6-20 15230 Los Angeles San Gabriel Mountains: Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail 1567 Comment
  RSA505063  Galium angustifolium subsp. angustifolium Orlando Mistretta 1987-6-25 s.n. Los Angeles Angeles National Forest. San Gabriel Mts; eastern flank of Mt. Gleason near microwave tower. Comment
  RSA523166  Galium angustifolium subsp. angustifolium Tim S. Ross 1991-2-23 4102 Los Angeles Whittier Hills (Puente Hills): Upper Turnbull Canyon ca. 1/5 air-mile WNW of Turnbull Canyon Rd x Skyline Drive. 308 Comment
  POM4412  Galium angustifolium subsp. gabrielense I. M. Johnston 1917-6-20 1262 Los Angeles Baldy Lookout of USFS, under Pines [probably summit of Lookout Mtn.] 2134 Comment
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Nov 6 2012
  RSA597008  Galium angustifolium subsp. gabrielense Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3803 Los Angeles San Gabriel Mountains. Ridgetop to the SW of Crystal Lake (ridge descending SSW from Mt. Islip). 1780 Comment
  RSA0091539  Galium angustifolium subsp. gracillimum R. G. Swinney 2011-5-26 14874 Los Angeles 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1061 Comment
  RSA680221  Galium angustifolium subsp. nudicaule Valerie L. Soza, Naomi S. Fraga, Aydee Virgen 2003-6-16 1675 Los Angeles Western extension of Waterman Mountain, along Waterman Mountain trail 10W04 from approximatly 0.75 to 2.5 miles ESE from Three Points trailhead. 1982 Comment
  CATA1633  Galium aparine Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Lisa Stratton 1998-5-2 2906 Los Angeles Santa Catalina Island: Near divide road, east end, 1.7 miles from Wrigley Memorial 256 Comment
  RSA762130  Galium aparine Orlando Mistretta, Christine Mistretta 2008-5-16 3076 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 108 per TRTP Survey 2008), Van Tassel Motorway, Fish Canyon drainage 1100 Comment
  RSA87443  Galium aparine F. W. Peirson 1921-6-19 1184 Los Angeles North Fork of San Gabriel River. 1006 Comment
  UC519952  Galium californicum subsp. flaccidum Louis C. Wheeler 1932-7-2 899 Los Angeles Browns Flat-Fern Canyon water trail San Gabriel Mts. 1219 Comment
  UC284280  Galium hallii P. A. Munz 1923-5-26 6861 Los Angeles Rock Creek San Gabriel Mts. 1767 Comment
  JEPS114017  Galium hallii Timothy S. Ross and Steve Boyd 1994-6-23 8055 Los Angeles Sawmill Mountain: N slope ca 330 m SE to 525 m ENE of Sawmill Campground, descending NE along a ridge at the head of the west fork of Devils Gulch. Burnt Peak 7.5'USGS Quadrangle. Comment
  RSA549501  Galium johnstonii Tim S. Ross, Steve D. Boyd 1990-6-18 3485 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  RSA87111  Galium johnstonii F. W. Peirson 1922-7-5 3159 Los Angeles Elevation north of Big Pines called La Montaine 2226 Comment
  SD239899  Galium johnstonii R. G. Swinney 2008-6-17 9057 Los Angeles San Gabriel Mountains: ridge west of Jackson Flats, 0.4 mile NW of Hwy 2 at Vincent Gap on Pinyoon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N 26 (Valyermo 7.5'Q) 2160 Comment
  UCR99422  Galium parishii R. G. Swinney 1995-8-28 4483 Los Angeles San Gabriel Mtns., West Mt. Baldy summit 3043 Comment
  LA201530  Galium parisiense Arthur C. Gibson; 2003-6-4 4898 Los Angeles Santa Monica Mountains, near the village of Topanga Comment
  RSA0009180  Galvezia speciosa Tim Thibault, Chelsea Ames, Valentin Arvizu, Heather Porter, Janet Takara 2006-4-27 408 Los Angeles Santa Catalina Island. Road to USC-Wrigley Science Center 59 Comment
  RSA632430  Garrya flavescens Valerie L. Soza, LeRoy Gross, Jean Kuo 1999-7-6 609 Los Angeles San Gabriel Mountains: Southwestern side of Big Rock Creek, Manzanita Trail from South Fork Campground. 1585 Comment
  UCR146482  Garrya veatchii Scott D. White 2004-7-27 10627 Los Angeles San Gabriel Mountains, Clear Creek area; roadside and hiking trail south side of Angeles Forest Hwy, c. 0.2 mi west of jct. with Angeles Crest Hwy; Condor Peak 1067 Comment
  CATA1333  Gastridium phleoides Mark L. Hoefs, Robert F. Thorne, Janet Takara 1995-7-25 2434 Los Angeles Santa Catalina Island: Lower Buffalo Springs Reservoir 426 Comment
  SBBG13304  Gastridium phleoides M. A. Piehl -Jun-1962 62409 Los Angeles dry slopes at Thirst 579 Comment
  UCR172300  Gastridium ventricosum Anuja Parikh, Nathan Gale 2005-6-8 2117 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, between Potrero and Salt Creek Canyons, south of Santa Clara River near the Ventura Co. line, study area 14 335 Comment
  RSA0091862  Gastridium ventricosum Steven A. Junak, Ralph N. Philbrick, Mark Hoefs 2001-5-19 SCa- 1568 Los Angeles Santa Catalina Island. Just E of Airport, N of Airport Road. 445 Comment
  RSA762522  Gayophytum R. G. Swinney 2008-7-24 9347 Los Angeles Waterman Mountain, ski runway on east-facing slope. 2390 Comment
  RSA580699  Gayophytum diffusum subsp. parviflorum Tim S. Ross, Steve D. Boyd 1994-5-25 7892 Los Angeles West summit of Liebre Mountain: West Summit here construed as the rounded knoll 100 m S of the intersections of sections 3,4,9, and 10, T7N R17W. 1684 Comment
  RSA113814B  Gayophytum heterozygum Harlan Lewis 1957-7-21 1104 -B Los Angeles Crest Highway: 1 mile from Upper Chilao Recreation Area. Comment
  SFV6660  Geranium carolinianum T. Gordon, K. A. Wilson, J. Cicero 1974-5-24 220 Los Angeles San Gabriel Mountains Gold Creek Canyon. Side canyon of Little Tujunga Canyon. Watts Ranch. 660 Comment
  RSA748851  Gilia R. G. Swinney 2008-5-8 8791 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
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Dec 7 2018
  SD241130  Gilia R. G. Swinney 2009-4-28 10527 A Los Angeles Transverse Range; San Gabriel Mountains: summit of Mt. Emma (Pacifico Mtn,7.5'Q) 1597 Comment
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Sep 2 2017
  RSA655748  Gilia achilleifolia subsp. achilleifolia James Henrickson 2000-4-15 20686 Los Angeles Ca. 1 mi SE of Newhall in Whitney Canyon SE of junction of San Fernando Road and State Highway 14; ca. 1/2 mile E of Hwy 14. 488 Comment
  RSA250586  Gilia aliquanta subsp. aliquanta R. F. Thorne, R. Carolin, Christopher Davidson 1967-3-23 41595 Los Angeles San Gabriel Mountains, Angeles National Forest: Grandview Canyon; Mojave Desert slopes north of Mile High Ranch. 1371 Comment
  LA201993  Gilia angelensis Arthur C. Gibson; 2003-4-15 5016 Los Angeles Simi Hills, Box Canyon, along hiking trail along Box Canyon Rd, ca 0.5 km S of Pioneer Pass 496 Comment
  UCR190431  Gilia angelensis R. G. Swinney 2000-5-19 7685 Los Angeles San Gabriel Mtns., San Dimas, SE-facing ridge west of San Dimas Canyon Rd., c. 300 m north of Golden Hills Rd. and 400 m west of stream 512 Comment
  RSA0083775  Gilia angelensis Louis C. Wheeler 1963-5-5 8252 Los Angeles San Gabriel Mountains: Bear Creek, off West Fork San Gabriel River. Comment
  UCR222809  Gilia brecciarum subsp. brecciarum R. G. Swinney 2009-5-13 10766 Los Angeles Transverse Range; San Gabriel Mtns., upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1183 Comment
  SBBG124716  Gilia brecciarum subsp. brecciarum O. Mistretta with C. Mistretta 2008-4-30 2570 Los Angeles Liebre Mtns region, southern California Edison transmission line corridor (Segment 5, structure 2 per TRTP survey, 2008) in vicinity of Ritter Ridge, S side of Antelope Valley 1120 Comment
  CAS-BOT-BC177353  Gilia brecciarum subsp. neglecta Steven R. Hill; Kate Kramer 2001-4-22 33337 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. North side of San... 804 Comment
  SDSU21372  Gilia capitata S. H. Bullock 1968-4-6 46 Los Angeles Claremont. North side of Foothill Blvd. between Darthmouth and College Ave. 366 Comment
  LA91435  Gilia capitata subsp. abrotanifolia Bruce Douglas Clayton; Greg Shaw 1972-3-30 35 Los Angeles Santa Monica Mountains, Mountain Park Research Campus, N end of Drawbridge firebreak 615 Comment
  RSA225719  Gilia capitata subsp. abrotanifolia R. F. Thorne, A. C. Gibson 1971-5-22 39706 Los Angeles San Gabriel Mountains: Near mouth of Fish Canyon. 244 Comment
  RSA599496  Gilia capitata subsp. abrotanifolia Steve Boyd, Lauren Raz 1997-3-25 9321 Los Angeles Liebre Mountains region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch. 1097 Comment
  SBBG125861  Gilia capitata subsp. abrotanifolia A. Parikh, N. Gale 2010-6-2 3254 Los Angeles Sierra Pelona, 3.8 km W of State Hwy 14, 2.2 km SW of California Aqueduct; E Liebre Mts 1140 Comment
  SBBG58367  Gilia capitata subsp. abrotanifolia R. Hoffmann 1931-5-3 Los Angeles Bouquet Cyn Comment
  UC1562559  Gilia capitata subsp. abrotanifolia Barbara Ertter with L. Heckard, T. Sholars, J. Hickman, et al. 1988-5-23 7475 Los Angeles Pine Canyon Road along San Andreas Fault (n side of mts (Co Rd N2), steep slope and roadcut on n side of road); San Gabriel Mts. Comment
  UCR123640  Gilia capitata subsp. abrotanifolia Steven R. Hill, K. Kramer 2001-4-22 33353 Los Angeles San Gabriel Mountains/SW Mojave Desert, S side of Antelope Valley, Johnson Road, 6.2 mi NNE of junction with Elizabeth Lake Road, 3 mi south of junction of Avenue I and 110th Street West 939 Comment
  POM8769  Gilia capitata subsp. abrotanifolia P. A. Munz 1920-3-13 3308 Los Angeles Puddingstone Canyon, San Dimas 304 Comment
  RSA470215  Gilia capitata subsp. abrotanifolia Anstruther Davidson 1908-5-14 s.n. Los Angeles Sierra Madre. Comment
  RSA470227  Gilia capitata subsp. abrotanifolia Gale Sphon 1959-5-10 338 Los Angeles About 3.5 miles west of Soledad Canyon turnoff on Highway 6, Mint Canyon. Comment
  LA206989  Gilia latiflora A. Handschiegel; 1920-5-17 sn Los Angeles Little Rock Creek Comment
  LA206993  Gilia latiflora subsp. davyi Eliz. Grant; 1937-5-8 sn Los Angeles Mint Canyon 1523 Comment
  RSA469409  Gilia latiflora subsp. davyi G. R. Johnstone 1930-4-7 s.n. Los Angeles San Francisquito Canyon. Comment
  RSA470054  Gilia latiflora subsp. davyi L. C. Wheeler 1932-4-10 613 Los Angeles Acton. 823 Comment
  RSA86545  Gilia latiflora subsp. latiflora Verne Grant, Alva Grant 1954-4-19 9323 Los Angeles Several miles west of Desert Springs. 1159 Comment
  UC908130  Gilia minor Herbert L. Mason 1926-4-26 3005 Los Angeles Little Rock Mohave Desert, Little Rock Comment
  RSA155879  Gilia minor P. H. Raven 1962-4-6 17108 Los Angeles 0.5 miles north of Pearblossom 854 Comment
  SD53038  Gilia minor Peter H. Raven 1962-4-6 17108 Los Angeles 0.5 mile north of Pearblossom. 853 Comment
  RSA0007322  Gilia sherman-hoytiae P. A. Munz, T. Craig 1933-5-13 12925 Los Angeles 10 miles south of Muroc. Comment
  SEINET10920417  Ginkgo biloba Heidi H. Schmidt 1999-10-14 Schmidt 3851 Los Angeles City of San Gabriel. Hawaii Supermarket: 120 East Valley Boulevard: San Gabriel, CA: 91776: (626) 307-0062 - phone. 110 Comment
  UC520024  Glebionis coronaria Joseph Andorfer Ewan 1932-6-29 7547 Los Angeles 3 mi w of Hawthorne Comment
  CAS-BOT-BC303662  Glebionis coronaria Joseph Andorfer Ewan 1932-6-29 7547 Los Angeles 3 miles W of Hawthorne Comment
  RSA115876  Glycyrrhiza glabra George W. Garrettson s.n Los Angeles South side of Valley Blvd., 1/4 mile East of Collins St., Spadra. Comment
  UCR276911  Gnaphalium canescens subsp. microcephalum R. G. Swinney 2011-3-29 14257 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
  POM358817  Gnaphalium chilense Anstruther Davidson 1917-06 s.n. Los Angeles Crescenta. Comment
  UCR95508  Gnaphalium luteoalbum L. C. Wheeler 1967-5-8 9315 Los Angeles San Gabriel Mtns., Foothills NW of Saugus 381 Comment
  RSA0082414  Gnaphalium palustre R. G. Swinney 2010-9-7 13681 Los Angeles Crystal Lake, within 50 ft. of shore line around the entire perimeter. 1683 Comment
  UC729769  Gnaphalium palustre Carl B. Wolf 1932-5-12 Los Angeles between Little Harbor and Cottonwood Creek; Santa Catalina Island 45 Comment
  UCSB6565  Gnaphalium palustre B., K. 1943-5-11 Los Angeles About 1 mile above Dalton, San Dimas Experimental Forest, San Gabriel Mountains Comment
  RSA802057  Gnaphalium stramineum Orlando Mistretta, Kristie Haydu 2011-7-20 5972 Los Angeles Arroyo Seco Canyon area. Angeles Crest Hwy near junction with Grizzly Flat Road. 902 Comment
  CAS-BOT-BC110279  Grayia spinosa D. B. Dunn 1947-4-16 2935 Los Angeles 1 mile north of Palmdale. Mohave Desert. Comment
  RSA584319  Grayia spinosa T. S. Ross, Steve Boyd 1991-3-23 4259 Los Angeles Lovejoy Buttes, on the Mojave Desert: NE portion of the main buttes, west of Lovejoy Springs (destroyed by development 926 Comment
  SEINET238661  Grindelia camporum A. C. Sanders, D. Malueg; K. D. Jones 1999-11-19 23268 Los Angeles Santa Susana Mountains: Aliso Canyon Oil Field Oat Mountain -- Mormon Limekiln & Aliso Canyon watersheds. 700 Comment
  RSA188013  Guillenia lasiophylla R. F. Thorne 1966-4-28 36222 Los Angeles Santa Catalina Island: W-facing rocky bank near upper end Renton Mine road in Pebbly Beach Canyon. 259 Comment
  CAS-BOT-BC302124  Gutierrezia sarothrae Alice Eastwood 1906-5-27 208 Los Angeles Country adjacent to Los Angeles. Glendale Comment
  UCR95729  Haplopappus squarrosus Lauren Raz 1996-10-23 033 Los Angeles Liebre Mtns, Entrance to Ruby Canyon on FS Rd 6N24, 1/10 mi from junction with Lake Hughes Road 610 Comment
  UC87486  Hazardia cana T. S. Brandegee 1894-8-25 Los Angeles San Clemente Island Comment
  RSA157780  Hazardia cana Peter H. Raven 1962-5-10 17730 Los Angeles San Clemente Island; large canyon west of Thirst. 305 Comment
  SFV20796  Hazardia squarrosa var. grindelioides L. Gross, V. Soza, N. Gilbert 2000-10-18 281 Los Angeles Verdugo Mountains Saddle where Stough Canyon Mountainway and Verdugo Mountainway meet. A short walking distance from road in a northwest facing draw, east of saddle near above coordinates. 610 Comment
  UC32266  Helianthus annuus W. H. Brewer 1861-1-13 132 Los Angeles San Gabriel. Comment
  RSA0048580  Helianthus annuus Lee Haines 1948-7-6 s.n. Los Angeles Canoga Park. Comment
  SFV4469  Helianthus annuus P. M. Kennamer 1959-5-31 s. n. Los Angeles San Fernando Valley Northridge. Corner of Nordhoff Street and Collett Avenue. 274 Comment
  RSA226064  Helianthus gracilentus R. F. Thorne, C. W. Tilforth 1971-6-17 39935 Los Angeles San Gabriel Mts; Angeles National Forest: 3.8 mi. up Little Tujunga Road from Little Tujunga Forestry Station. 610 Comment
  RSA487344  Helianthus gracilentus Richard Noyes 1988-10-30 750 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Dry weed open near Pasture Road. 700 Comment
  IRVC28584  Heliotropium curassavicum A. C. Sanders, Mark Elvin 2002-6-19 25171 Los Angeles Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River NE end of Santa Susana Mtns. 305 Comment
  RSA0110781  Heliotropium curassavicum Steven A. Junak 2000-7-1 SCa- 1377 Los Angeles Santa Catalina Island. Just N of Cape Canyon Road, 0.4 mi. E of intersection w/Middle Ranch Road, at storage shed, near Cape Canyon corrals. 228 Comment
  SBBG54368  Heliotropium curassavicum var. oculatum L. R. Abrams 1902-6-11 2513 Los Angeles Playa del Rey Comment
  CAS-BOT-BC305877  Helminthotheca echioides I. Johnston 1917-6-10 1321 Los Angeles Near Mesmer Comment
  SBBG31127  Helminthotheca echioides R. F. Thorne 1966-5-31 36450 Los Angeles isthmus, rd back of Little Harbor 4 Comment
  RSA155852  Hemizonia clementina Peter H. Raven 1962-5-22 17836 Los Angeles Santa Catalina Island at the Isthmus. Comment
  RSA598393  Hemizonia clementina J. P. Rebman, Dunn 1993-4-29 3117 Los Angeles San Clemente Island: Eel Cove and Eel Cove Canyon on west side of island. 25 Comment
  UCR209156  Hemizonia fasciculata Dan S. Cooper 2009-5-27 509- 38 .1 Los Angeles Los Angeles Basin Region, adjacent to radio towers in Kenneth Hahn Recreation Area, Baldwin Hills, Los Angeles 137 Comment
  POM29884  Hemizonia fasciculata Marcus E. Jones 1884-8-1 s.n. Los Angeles [Unspecified] Comment
  RSA360318  Hemizonia minthornii Robert Gustafson 1980-7-30 1835 Los Angeles Diamond Bar Ranch, north end of Topanga cyn. Blvd. at the junction of the Simi Fry. about 1/2 mile east of Iverson Rd. Santa Susanna Mts. Comment
  UCR142553  Hesperocnide tenella F. W. Peirson 1921-2-26 2356 Los Angeles Western Transverse Range; Santa Monica Mtns., Topanga Canyon Divide 488 Comment
  UC557779  Hesperocnide tenella Nell Murbarger May, 1936 169 Los Angeles canyon on e side San Clemente Island; canyon on e side San Clemente Island Comment
  CAS-BOT-BC135939  Hesperoyucca whipplei W. R. Dudley; F. H. Lamb 1896-6-8 4385 Los Angeles King's Canyon, Lebre Mountains Comment
  UCR280512  Hesperoyucca whipplei R. G. Swinney 2014-5-13 16503 Los Angeles San Gabriel Mountains, Glendora, west fork of Hook Cyn., c. 0.4 km north of Sierra Madre Av., 100-300 m west of entrance to Church of the Open Door, Colby Fire burn of Jan. 2014 354 Comment
  RSA117139  Heteromeles arbutifolia Huron H. Smith 1912-6-18 5117 Los Angeles Rock Spring Canyon, Santa Catalina Island. 24 Comment
  SBBG20513  Heteromeles arbutifolia E. R. Blakley 1963-12-8 6386 Los Angeles head of cyn above Mosquito Cove and between Triangulation Pts Malo and Chenity 304 Comment
  SBBG26954  Heteromeles arbutifolia I. W. Clokey, B. Templeton -Nov-1929 4602 Los Angeles Mandeville Cyn 300 Comment
  UCR273292  Heteromeles arbutifolia R. G. Swinney 2011-10-18 15841 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
  RSA0042668  Heteromeles arbutifolia Laura Moore, Jean Moore 1999-2-6 007 Los Angeles Pitzer College, Claremont: Along northwest boundary of Outback and Harvey Mudd soccer field. 350 Comment
  UCD150958  Heterotheca grandiflora D. S. Park 2010-4-26 43 Los Angeles Ranch Santa Ana Botanic Garden 407 Comment
  RSA0075836  Heterotheca grandiflora T. S. Clare, Johnstone 1929-10-20 s.n. Los Angeles Eaton Canyon, Mt Wilson. Comment
  UCSB27677  Heterotheca grandiflora Lavinger, S. 1975-10-9 Los Angeles On Point Dume Road, 4.5 miles north from its junction with Pacific Coast Highway 152 Comment
  CAS-BOT-BC311265  Heterotheca sessiliflora subsp. echioides Moxley 1920-8-28 819 Los Angeles Garapito Canyon, Santa Monica Mts. Comment
  UC1076517  Heterotheca sessiliflora subsp. fastigiata Frank W. Peirson 1922-9-26 Los Angeles at California Street Bridge Arroyo Seco Comment
  LA208987  Heuchera caespitosa Don P. Mullally; June 1950 Los Angeles San Gabriel Mountains, Montane forest in shaded cave on N side of Mt. Waterman of lift 2133 Comment
  CAS-BOT-BC48165  Heuchera elegans Antone Blazic 1921-6-1 s.n. Los Angeles Mt. Wilson Comment
  RSA0062944  Heuchera elegans F. W. Peirson 1928-6-2 7935 Los Angeles Trail up south fork of Rock Creek, north face of San Gabriel Mts. 1905 Comment
  CAS-BOT-BC319764  Hieracium argutum F. Grinnell Jr. 1917-7-29 s.n. Los Angeles Upper Millards Canyon, San Gabriel Mountains Comment
  RSA603597  Hirschfeldia incana L. C. Wheeler 1932-9-5 1349 Los Angeles San Antonio Canyon, San Gabriel Mountains. 884 Comment
  LA200299  Hirschfeldia incana Jonathan Sauer; D. Bradbury, R. Thaman 1969-12-7 4678 Los Angeles Santa Monica Mountains, Latigo Canyon, unspecific location Comment
  RSA755929  Hordeum murinum subsp. glaucum Orlando Mistretta, Christine Mistretta 2008-4-10 2409 Los Angeles Ritter Ridge, SW of Quartz Hill. Along SCE transmission lines just S. of California Aqueduct . (Segment 5, structure 17 per TRTP survey - 2008) 919 Comment
  POM352462  Hordeum murinum subsp. leporinum F. R. Fosberg 1930-7-7 S 3163 Los Angeles Alamitos Bay 5 Comment
  UC72986  Horkelia cuneata subsp. puberula E. D. Palmer May 1904 Los Angeles Claremont Comment
  UC534839  Horkelia rydbergii Victor Duran 1933-7-11 3517 Los Angeles Sulfur Springs San Gabriel Mtns 1524 Comment
  UCD170473  Horkelia rydbergii D. E. Bramlet 2011-8-17 4931 Los Angeles San Gabriel Mountains: NW of Hwy 2 near Chilao Campground. 1619 Comment
  SBBG105563  Hulsea heterochroma T. Ross, S. Boyd 1994-6-23 8042 Los Angeles Sawmill Mtn, Burnt Pk 1664 Comment
  PASA2223  Hulsea heterochroma R. J. Dobbs 1927-6-6 Los Angeles Arroyo Seco-Tujunga Divide, about 1 mile from Waterman's Comment
  RSA659915  Hulsea vestita subsp. gabrielensis Orlando Mistretta 1991-10-14 s.n. Los Angeles Magic Mtn., San Gabriel Mountains. Comment
  SBBG105562  Hulsea vestita subsp. gabrielensis T. Ross 1994-5-31 7976 Los Angeles Pacifico Mtn ca. 860 m WNW of the 7124' summit 2072 Comment
  SEINET1783670  Hulsea vestita subsp. gabrielensis D. H. Wilken 1973-6-1 11880 Los Angeles Angeles Crest Hwy, 3 mi E of Chilao, San Gabriel Mountains. 1829 Comment
  LA211176  Hydrocotyle verticillata Arthur C. Gibson; Tarja Sagar, Tony Valois 2008-9-11 5342 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek State Park, next to bridge near Century Lake. Comment
  CATA1602  Hypochaeris glabra Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Janet Takara 1998-5-1 2871 Los Angeles Santa Catalina Island: West side of Swain's Canyon, ridge to Whitley's Peak 432 Comment
  CATA1834  Hypochaeris glabra Denise Kraus 2000-4-24 13 Los Angeles Santa Catalina Island: (Goat Harbor burn area) approximately 2,770 ft. north of Airport Road and 690 ft. east of western fuel break ridge (western fuel break ridge starts midway along parking loop off Airport Road). At GHB Transect 3 368 Comment
  UCR95321  Hypochaeris glabra L. C. Wheeler 1967-4-9 9183 Los Angeles San Gabriel Mtns., San Gabriel Canyon, Canyon Inn [2280 North San Gabriel Canyon Rd., Azusa] 244 Comment
  RSA398412  Ipomoea cairica E. S. Spalding 1925-9-19 s.n. Los Angeles Avalon Canyon, Santa Catalina Island. Comment
  SBBG13811  Isocoma menziesii M. A. Piehl 1962-10-3 62506 Los Angeles Ironwood Gully, E side of isthmus Comment
  LA32035  Isocoma menziesii var. vernonioides Peter H. Raven; Henry J. Thompson 1959-10-4 14554 Los Angeles 15 Comment
  SEINET12267917  Jacaranda mimosifolia J. F. Bright, Wyman, C. 1931-1 5330 Los Angeles Hollywood Comment
  SDSU9539  Jepsonia malvifolia R. M. Beauchamp 1967-1-27 109 Los Angeles Growing in shady area in field east of Wilson Cove area. Appeared to grow in a vein as if by underground runners. San Clemente Island. Comment
Read comments
May 16 2008
  UCR146259  Juglans californica Steve Boyd, Michael Denslow 2002-5-9 10438 Los Angeles Transverse Ranges, San Gabriel Mountains, S of Sunset Peak along Sunset Peak Road, on divide between Wolfskill and Palmer canyons Comment
  UCR282022  Juglans californica R. G. Swinney 2014-5-21 16613 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  LA200573  Juglans californica var. californica Louis Wheeler; 1931-11-11 351 Los Angeles Santa Monica Mountains, opposite Franklin Canyon on N-side of mountain 365 Comment
  CAS-BOT-BC383065  Juglans hindsii R. E. Riefner, Jr. 2001-10-14 01 -404 Los Angeles San Fernando Valley, City of Los Angeles, Community of Lake View Terrace, Hansen Dam Recreation Center, Foothill Blvd., S of 210 Freeway 332 Comment
  CAS-BOT-BC110034  Juncus acutus Grant 1898-4-12 961 Los Angeles San Pedro. Comment
  CATA116  Juncus acutus subsp. leopoldii Peter Henrikson 1987-5-8 87 Los Angeles Santa Catalina Island: Little Springs Canyon 30 Comment
  LA34221  Juncus acutus subsp. leopoldii Peter H. Raven; Henry J. Thompson 1959-10-4 14556 Los Angeles SANTA MONICA MOUNTAINS, Pacific Palisades, Pacific Coast Highway oppsite Canfield's. 12 Comment
  UCR125145  Juncus bufonius A. C. Sanders, Mark Elvin 2002-6-25 25290 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  UCR275335  Juncus bufonius Jeremiah George, Audrey J. George 2012-4-15 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
  CATA3396  Juncus bufonius var. bufonius Peter J. Dixon 2017-4-28 086 Los Angeles Santa Catalina Island: Near Isthmus, 700 m northeast of Tower Pk. 250 Comment
  CATA543  Juncus bufonius var. bufonius Mark L. Hoefs, Robert F. Thorne 1975-8-7 807 Los Angeles Santa Catalina Island: Haypress Reservoir 457 Comment
  CATA835  Juncus bufonius var. bufonius Mark L. Hoefs 1991-6-26 1434 Los Angeles Santa Catalina Island: Bulrush Canyon 335 Comment
  UC842187  Juncus mexicanus L. W. Nuttall 250 Los Angeles Santa Catalina Island Comment
  RSA368231  Juncus mexicanus Agatha 1937-5-9 157 Los Angeles Woods in Big Tujunga Canyon. Comment
  UCR180241  Juncus oxymeris Scott D. White, Andrea Warniment 2006-7-6 11609 Los Angeles SE Tehachapi Mtns, Gorman area, sag ponds and adjacent slopes just N of Gorman Post Road 1143 Comment
  UCR125174  Juncus rugulosus A. C. Sanders, Mark Elvin 2002-6-25 25278 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  POM1597  Juncus textilis I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. 122 Comment
  UCR194765  Juncus textilis Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 710 Los Angeles Transverse Ranges; San Gabriel Mountains region, Verdugo Mountains, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park 549 Comment
  LA51515  Juncus xiphioides Peter H. Raven; Henry J. Thompson 1960-7-17 15559 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek, along Malibu Creek 2 mi. above ocean. 45 Comment
  RSA603547  Juncus xiphioides Mark Hoefs, Steven A. Junak, Janet Takara, M. Gay 1995-7-12 2359 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon 6 Comment
  SEINET8981460 Image available Juniperus chinensis Arboretum Staff 68 P929 Los Angeles Los Angeles, Los Angeles State and County Arboretum Comment
  SEINET6630412  Justicia brandegeana J. Chandler 1986-12-27 s.n. Los Angeles Whittier Comment
  UCR132346  Keckiella cordifolia John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one 381 Comment
  UC1043434  Keckiella ternata Richard M. Straw 1954-6-17 631 Los Angeles Tujunga Canyon San Gabriel Mts. (0.6 mi w of bridge on Angeles Crest Hwy) Comment
  RSA293286  Keckiella ternata subsp. ternata D. C. Michener 1981-7-27 4021 Los Angeles San Gabriel Mountains, Cabin Flat. Just above Cabin Flat. 1650 Comment
  UCR48935  Kickxia elatine A. C. Sanders 1987-7-22 7163 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  CAS-BOT-BC176819  Kochia californica Ernest C. Twisselmann 1970-9-8 17492 Los Angeles Antelope Valley: Highway 14 at Avenue A 762 Comment
  UCD168230  Kochia prostrata 2015-1-1 s.n. Los Angeles Antelope Valley [UTM convert by label maker]. 750 Comment
  UCR182245  Koelreuteria bipinnata R. G. Swinney 1997-9-27 5878 Los Angeles San Gabriel Mountains, Live Oak Canyon, c. 1.6 mi. north of Baseline Rd., 0.8 mi. due north of Live Oak Canyon Dam 488 Comment
  UC303465  Kopsiopsis strobilacea I. Johnston 1917-7-4 1432 Los Angeles Mt. San Antonio, near summit of Baldy. 2895 Comment
  POM361388  Lactuca serriola Robert Gustafson 1980-7-9 1817 Los Angeles Ballona Wetlands, Area 3. Comment
  POM352636  Lamarckia aurea Ora M. Clark 1929-3-10 1675 Los Angeles Elyssian Park Comment
  RSA11028  Lamarckia aurea C. B. Wolf 1928-3-29 1600 Los Angeles Castaic; South base of Ridge Route road 396 Comment
  SEINET4670733  Lamarckia aurea G. Grant 1901 to 1905 665 Los Angeles Pacific Coast, Southern California, Pasadena Comment
  UCR205532  Lantana camara A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36972 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  RSA392646  Lastarriaea coriacea Anstruther Davidson 1902-04 s.n. Los Angeles Beach near Playa del Rey. Comment
  RSA0098616  Lasthenia gracilis R. G. Swinney 2011-4-20 14467 Los Angeles San Gabriel Mountains/ Western Mohave Desert: Vincent, 2.9 miles SE of Lake Palmdale on Carson Mesa, 100-200 m east of Angeles Forest Hwy 1000 Comment
  UC163934  Lasthenia gracilis Geo. B. Grant 1901-1-1 98 Los Angeles probably in the vicinity of Pasadena Comment
  POM6193  Lasthenia gracilis Marjorie Shaw, Edna Spaulding, C. L. Walton 1917-4-6 s.n. Los Angeles Antelope Valley. Comment
  RSA406613  Lathyrus Anstruther Davidson 1930-1 s.n. Los Angeles Los Angeles Comment
  SBBG131947  Lathyrus odoratus S. A. Junak 2000-5-18 SCa 1295 Los Angeles just E of town at isthmus 15 Comment
  RSA405680  Lathyrus vestitus var. vestitus Robin S. Collins 1973-4-30 246 Los Angeles Angeles National Forest, San Gabriel Mountains, Trail Canyon, near light duty road which leads to beginning of pack trail. 610 Comment
Read comments
Nov 4 2008
  LA28438  Lathyrus vestitus var. vestitus Harlan Lewis; 1940-4-3 1287 Los Angeles Santa Monica Mountains, Pacific Coast Hwy 15 mi N [W] of Malibu Comment
  SD113701  Lathyrus vestitus var. vestitus Darley F. Howe Apr 1915 61 Los Angeles Claremont Comment
  RSA627086  Lavatera cretica Scott D. White 1998-3-28 6350 Los Angeles Palos Verdes Area: Slope above Portugese Bend , east of Altamira Cyn. 61 Comment
  JEPS39165  Layia glandulosa W. L. Jepson 1935-4-17 17054 Los Angeles 6.5 mi w Lancaster 731 Comment
  UC1871149  Layia glandulosa T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4985 Los Angeles Transverse Ranges; Liebre Mountains region; Soledad Canyon Wash: about half mile E of Acton; T5N R13W, W1/2 SE1/4 SE1/4 section 36; elevation 2720 feet. 829 Comment
  CAS-BOT-BC377807  Layia platyglossa Geo. L. Moxley 1915-4-19 313 Los Angeles East Hollywood Comment
  SBBG50381  Layia platyglossa R. M. Beauchamp, M. Douglas 1972-3-24 3249 Los Angeles above Pyramid Cove 150 Comment
  POM50719  Layia platyglossa subsp. campestris L. R. Abrams 1901-04 1386 Los Angeles Monte Vista. Comment
  LA82025  Lepechinia fragrans Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  CAS-BOT-BC33703  Lepechinia rossii Steve Boyd; Tammy Morgan 2004-5-11 11169 Los Angeles Transverse Ranges; Liebre Mountains region: Head of Ruby Canyon on northern flank of Red Mountain 305 Comment
  UCR222634  Lepidium appelianum David Charlton 2010-7-21 s.n. Los Angeles Western Mojave Desert, Edwards Air Force Base, SW of Piute Ponds and adjacent to Shuttle Road and District 14 waste water outlet, west side of Shuttle Road at curve 698 Comment
  JEPS53619  Lepidium fremontii Frank W. Peirson 1921-5-19 677 Los Angeles Little Rock Creek San Gabriel Mts. 960 Comment
  UCR41732  Lepidium lasiocarpum 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
  RSA746629  Lepidium virginicum var. pubescens R. G. Swinney 2008-4-10 8641 -B Los Angeles San Dimas Experimental Forest, confluence of Lodi Canyon with San Dimas Canyon, just south of San Dimas Reservoir 402 Comment
  UC216493  Lepidium virginicum var. pubescens A. J. McClatchie 1893-4-10 Los Angeles near Pasadena Comment
Read comments
Dec 9 2010
  POM346619  Lepidium virginicum var. robinsonii Barry Burnell 1971-3-19 246 Los Angeles Claremont, the Pomona College Wash, south east corner. 335 Comment
  RSA0013599  Lepidium virginicum var. virginicum Orlando Mistretta, Christine Mistretta 2011-6-23 5751 Los Angeles Vicinity of Mt. Gleason. Former Los Angeles County Fire Camp 1.3 air miles E of Mt. Gleason summit. Area burned in Station Fire (2009). 1680 Comment
  UC314577  Lepidospartum latisquamum Marcus E. Jones, A. M. 1924-9-10 Los Angeles Swartout Valley Comment
  UC450913  Leptodactylon californicum Fay A. MacFadden 1931-3-26 8 E Los Angeles n side Tuna Canyon (Verduga Hills); , n side Tuna Canyon Comment
  UCR146272  Leptodactylon californicum subsp. californicum G. D. Wallace 1985-4-6 2192 Los Angeles Santa Monica Mountains: Rocky Oaks State Park 576 Comment
  RSA229040  Leptosiphon breviculus R. F. Thorne 1971-6-30 40835 Los Angeles San Gabriel Mts., Angeles National Forest: S fork of Little Rock Creek 3.3 miles below Alder Saddle 1432 Comment
  SEINET7968700 Image available Leptosiphon chrysanthus subsp. chrysanthus Larry C. Higgins 1974-4-11 8458 Los Angeles On Hwy 18 at the Los Angeles-San Bernardino County line Comment
  RSA0105013  Leptosiphon ciliatus R. G. Swinney 2011-6-22 15268 Los Angeles San Gabriel Mountains: 1/4 mile east of Mt. Mooney, summit at jct. of FS Rd. 3N15 & FS Rd. 3N15A, 500 meters NW of Stony Ridge Observatory, 0.65 miles east of Angeles Crest Hwy. 1720 Comment
  SEINET7967502 Image available Leptosiphon liniflorus George K. Helmkamp, E. A. Helmkamp 1998-5-21 4031 Los Angeles Western Mojave Desert; South base, Tehachapi Mtns., 4.0 mi north of Calif. Hwy 138 (Lancaster Rd) on 300th St. West 1006 Comment
  RSA608044  Leptosiphon liniflorus L. C. Wheeler 1947-6-13 6519 Los Angeles San Gabriel Mountains: Mesa south of San Antonio Canyon [Los Angeles/San Bernardino counties]. Comment
  UCR259582  Leptosiphon parviflorus R. G. Swinney 2010-6-8 13183 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 1.0-1.8 miles east of nature center along Placerita Cyn. Trail, south side of stream 549 Comment
  SFV13265  Leptosyne calliopsidea M. J. Thor 1983-4-16 175 Los Angeles Mojave Desert South of Saddle Back Butte State Park, along 170th Street. 790 Comment
  SEINET8483164 Image available Leptosyne gigantea J. Henrickson 1969-4-10 4210 Los Angeles 8 mi W of Malibu along Sandstone Cliff E of Pacific Coast Hwy at Zuma Beach. 3 Comment
  UCR125933  Lessingia glandulifera var. glandulifera A. C. Sanders, Mark Elvin 2002-6-19 25192 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  RSA0042670  Lessingia glandulifera var. glandulifera S. Kaatmann 1998-10 12 Los Angeles Pitzer College Arboretum. The interior of the Outback, near the path closest to the western boundary. 350 Comment
  JEPS88038  Lessingia lemmonii var. peirsonii S. Markos 1996-8-21 137 Los Angeles 6 mi W of Three Points (just W of Rancho Corona del Valle Ranch); Angeles National Forest Comment
  POM365310  Leymus condensatus J. A. Comstock 1938-06 s.n. Los Angeles Playa del Rey. Comment
  UC1584263  Leymus condensatus Tim Ross and Steve Boyd 1990-6-6 2838 Los Angeles Green Valley Pasture Lake Hughes USGS 7.5' quad, San Francisquito Canyon 926 Comment
  SEINET8719009 Image available Leymus condensatus F. R. Fosberg 1931-1 S 4831 Los Angeles Cottonwood Canyon. Santa Catalina Island Comment
  RSA509574  Leymus triticoides L. C. Wheeler 1967-8-2 12327 Los Angeles Angeles National Forest; Sulphur Spring 1585 Comment
  UCR146685  Lilium humboldtii Scott D. White 2004-8-20 10725 Los Angeles San Gabriel Mtns, Upper Big Tujunga Canyon: south of Upper Big Tujunga Canyon. Road, c. 4 air mi NW of the junction with Angeles Crest Hwy 1159 Comment
  UCR194257  Lilium humboldtii R. G. Swinney 1998-8-5 6647 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch 1235 Comment
  JEPS61990  Lilium humboldtii subsp. ocellatum Frank W. Peirson 1919-7-1 515 Los Angeles Fish Canyon; San Gabriel Mountains Comment
  RSA612224  Lilium humboldtii subsp. ocellatum Louis C. Wheeler 1968-7-3 s.n. Los Angeles North side of Bichota Canyon, east of heliport 1402 Comment
  UCR101225  Lilium parryi L. C. Wheeler 1954-9-1 7082 Los Angeles San Gabriel Mtns., Little Rock Creek, c. 1 mi downstream from Cooper Creek 1677 Comment
  UC1043491  Lilium parvum E. K. Balls 1954-8-11 19764 Los Angeles Rancho Santa Botanic Garden Comment
  JEPS58202  Linanthus aureus Frank W. Peirson 1920-4-26 2111 Los Angeles Santa Anita Wash San Gabriel Mountains 213 Comment
  RSA596064  Linanthus aureus L. C. Wheeler 1967-5-9 9394 Los Angeles Aliso Canyon, east of Acton, ca. 1 mile downstream from Wagon Wheel Ranch. 1067 Comment
  RSA469959  Linanthus aureus Robert Gustafson 1978-6-1 994 Los Angeles 0.5 mile E off main dirt road running through Hungry Valley, area paralleling upper Freeman Canyon, ca 1 mile S of Gorman. 1280 Comment
  UCR191523  Linanthus breviculus R. G. Swinney 1998-7-8 6306 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  UCR27496  Linanthus breviculus John C. Roos 1947-5-3 3654 Los Angeles San Gabriel Mtns, Big Pines 1890 Comment
  SD41523  Linanthus californicus Darley F. Howe 1947-3-22 Los Angeles Topango Canyon, 6.0 miles from ocean. Comment
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May 22 2014
  SD90160  Linanthus californicus Benjamin C. Stone 1954-3-13 507 Los Angeles Chap[arral hillsides west of Prado Dam, 7.0 miles west of Corona. 366 Comment
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Dec 3 2014
  JEPS58334  Linanthus concinnus Frank W. Peirson 1920-5-30 2142 Los Angeles North Fork San Antonio Creek San Gabriel Mountains 2133 Comment
  SBBG98237  Linanthus dianthiflorus C. B. Wolf 1932-3-4 2669 Los Angeles Thompson Crk, 3-4 mi N of Claremont 457 Comment
  POM364695  Linanthus parryae B. C. Templeton 1930-4-8 1038 Los Angeles Mojave Desert, W of Lancaster. 400 Comment
  RSA164863  Linanthus pungens Wesley O. Griesel 1963-8-1 865 Los Angeles Slopes of Mt. San Antonio 2988 Comment
  UCR101196  Linum usitatissimum L. C. Wheeler 1975-5-13 s.n. Los Angeles Los Angeles Basin region; San Gabriel Valley, Rio Hondo: c. 0.25 mi. north of San Gabriel Blvd. 58 Comment
  UCR260387  Lithophragma R. G. Swinney 2010-6-21 13289 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
  LA50730  Lithophragma affine Martha Hilend; 1929-6-10 348 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  UCSB2561  Lithophragma affine Decker, Helen 1946-5-5 Los Angeles Little Bear Canyon, Mt. Baldy Area Comment
  JEPS43060  Lithophragma bolanderi I. W. Clokey and E. G. Anderson 1935-5-9 6668 Los Angeles San Dimas Canyon; s face San Gabriel Range, San Dimas Canyon Comment
  CAS-BOT-BC435637  Lithophragma heterophyllum Henry J. Thompson 1959-4-19 1943 Los Angeles Mulholland Hwy. 1 mile W. of Las Virgenes Rd. Malibu Creek drainage 274 Comment
  RSA592851  Lithophragma parviflorum Steve Boyd, Orlando Mistretta 1996-5-1 8755 Los Angeles Liebre Mountains, Sawmill Mountain, upper slopes and summit at head of Heryford Canyon, east of the junction of 7N23 and 7N08. 1524 Comment
  POM4569  Lobelia dunnii var. serrata C. F. Baker 1903-9-20 3699 Los Angeles San Antonio Canyon near Claremont. Comment
  UCR258519  Lobelia dunnii var. serrata R. G. Swinney 2010-8-9 13475 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, Camp Sturtevant 1049 Comment
  JEPS4923  Lobelia dunnii var. serrata G. B. Grant 1901-7-25 4453 Los Angeles Sturtevant Camp at e base of Mount Wilson, in e fork of Santa Anita Canyon, in the San Gabriel Range and in the Angeles National Fores Santa Anita Canyon; Angeles National Forest, San Gabriel Range, Mount Wilson Comment
  SBBG31132  Lobularia maritima R. F. Thorne 1966-6-2 36522 Los Angeles front of fenced yard of caretaker's cottage, Girl Scout Camp at White's Landing 3 Comment
  RSA651354  Lobularia maritima Toad 1981-2-26 0001 -81 Los Angeles 130 W. Grondahl Covina. Comment
  RSA441646  Loeflingia squarrosa Albert J. Perkins 1914-5-30 s.n. Los Angeles Scholl Canon, San Rafael Hills Comment
  UCR222756  Loeseliastrum matthewsii R. G. Swinney 2009-4-29 10561 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
  UCR273557  Logfia filaginoides R. G. Swinney 2011-5-10 14639 Los Angeles San Gabriel Mountains, Angeles Natl. Forest, 'Manzanita Mt.', at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center 629 Comment
  UC1605196  Lomatium californicum Tim Ross, Steve Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3881 Los Angeles n. slope Liebre Mt. (upper portions of Pacific Crest Trail which follows ridge just e. of Horse Camp Canyon); Liebre mts., Liebre Mt. 1487 Comment
  RSA682614  Lomatium dasycarpum Scott D. White, Michael Honer 2003-5-7 9224 Los Angeles Liebre Mountains: Tapia Canyon, about 2 air miles east of Interstate 5 junction at Old Ridge Route. 427 Comment
  RSA594753  Lomatium dasycarpum subsp. dasycarpum T. S. Ross 1995-4-7 8368 Los Angeles 'OLD RIDGE ROUTE'': 2.9 road miles NNW of its intersection with Templin Highway; ca. 1840 m WNW of the confluence of Castaic Creek and Fish Canyon. 927 Comment
  RSA601834  Lomatium dasycarpum subsp. dasycarpum Steve Boyd, Lauren Raz, Timothy S. Ross 1997-4-1 9467 Los Angeles Liebre Mountains region: Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of Osito Flat, a distinctive, open grassy break in slope under the high tension power lines. 793 Comment
  UC1619326  Lomatium dasycarpum subsp. dasycarpum Timothy S. Ross, Steve Boyd 1990-5-15 2543 Los Angeles Yerba Buena Ridge, ridgeline between Boulder Canyon drainage (on NW) and Big Tujunga Canyon (on NE) San Gabriel Mountains, Angeles National Forest, Tujunga Rang 1011 Comment
  RSA495614  Lomatium dissectum var. multifidum S. Zona, D. Arias, O. Dorado, M. Hanson, Jose Luis Villasenor 1989-6-28 322 Los Angeles Mountain High Ski resort; W of Wrightwood, N slopes of San Gabriel Mountians 2017 Comment
  UCR138531  Lomatium lucidum L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mtns., Center Creek off of Gold Creek off of Little Tujunga Creek. 854 Comment
  RSA452136  Lomatium lucidum Anstruther Davidson 1890-04 s.n. Los Angeles [no locality information provided] Comment
  RSA716638  Lomatium mohavense Andrea Edwards, Pam De Vries 2005-3-29 57 Los Angeles Lebec USGS quad; triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  RSA586346  Lomatium nevadense var. parishii Orlando Mistretta 1995-3-17 1547 Los Angeles Slopes southwest of Little Rock reservoir. On Emma section of Little Rock Creek Management Unit. 1219 Comment
  RSA659927  Lomatium nevadense var. parishii Orlando Mistretta 1992-5-18 339 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  SFV6239  Lomatium utriculatum M. H. Grayum, K. Felt 1974-5-22 s. n. Los Angeles Santa Susana Mountains North side of Oat Mountain. Above cattle reservoir on Orcutt Ranch. 1021 Comment
  RSA597782  Lomatium vaginatum Steve Boyd, Lauren Raz 1997-3-14 9176 Los Angeles Liebre Mountains, lower southeastern flank of Bald Mountain, near head of Liebre Gulch, due west of Sandberg. 1213 Comment
  UC662465  Lonicera confusa Katherine D. Jones 1941-8-18 Los Angeles Evans and Reeves, Beverley Hills Nursery, California. Comment
  POM243775  Lonicera hispidula var. vacillans F. R. Fosberg 1931-4-8 S- 4518 Los Angeles Santa Catalina Island; Avalon Valley 60 Comment
  POM296457  Lonicera hispidula var. vacillans Lyman Benson 1953-5-2 15109 Los Angeles Catalina Island. White's Landing 15 Comment
  RSA455168  Lonicera hispidula var. vacillans T. Gertrude Williamson 1929-8-22 s.n. Los Angeles Santa Catalina Island. Toyon Canyon. 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
  LA82087  Lonicera subspicata var. denudata O. H. Kappler; 1940-6-9 51 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UCR179975  Lonicera subspicata var. denudata R. G. Swinney 1996-8-7 5210 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half of Brown's Flat 1341 Comment
  UC207651  Lotus argophyllus var. argenteus Geo. B. Grant Apr 1901 715 Los Angeles Avalon Catalina Island Comment
  RSA0003347  Lotus argophyllus var. ornithopus M. B. Dunkle 1939-4-5 7253 Los Angeles San Clemente Island: China Point, Pyramid Cove. Comment
  RSA406757  Lotus argophyllus var. ornithopus Anonymous 1906-07 s.n. Los Angeles Santa Catalina Island Comment
  RSA406923  Lotus dendroideus var. dendroideus R. J. Smith 1934-5-24 s.n. Los Angeles Santa Catalina Island. Comment
  CDA27205  Lotus grandiflorus W. E. Henson 1929-6-9 Los Angeles Ridge Route. 0 Comment
  POM243731  Lotus hamatus F. R. Fosberg 1931-3-26 S- 4394 Los Angeles Santa Catalina Island. Above St. Catherine Hotel. 15 Comment
  UCR270121  Lotus heermannii var. heermannii R. G. Swinney 2010-9-9 13801 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
  UC75652  Lotus oblongifolius var. oblongifolius unknown Jun 1902 710 Los Angeles San Gabriel Canyon Comment
  RSA733282  Lotus procumbens R. G. Swinney 2001-6-16 7977 Los Angeles San Gabriel Mtns.: Juniper Hills, top of Pleasant View Ridge, south of intersection of 104th St. E and Juniper Hills Rd. 2006 Comment
  UCR269996  Lotus procumbens R. G. Swinney 2010-5-19 12797 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
  RSA782807  Lotus purshianus A. C. Sanders, Dan S. Cooper 2010-8-5 38536 Los Angeles Madrona Marsh Preserve, Torrance 24 Comment
  RSA654446  Lotus purshianus var. purshianus Valerie L. Soza, Ileene Anderson, LeRoy Gross 2000-6-6 975 Los Angeles Verdugo Mountains, southwest side: North of Chandler Fire Road (Verdugo Mtwy), N of ''La Tuna'', above Chandler and Fisher canyons, S of La Tuna Canyon. 487 Comment
  RSA0045264  Lotus salsuginosus R. G. Swinney 2010-3-22 12009 Los Angeles West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  SFV10441  Lotus salsuginosus var. salsuginosus M. J. Teiman 1979-4-27 20 Los Angeles Santa Susana Mountains Browns Canyon. Dry, disturbed field by road side. 365 Comment
  UCR178395  Lotus salsuginosus var. salsuginosus LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 710 Los Angeles Transverse Ranges: Verdugo Mountains, south side of mountains, off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. West-descending ridge down into Brand Canyon on east side of Brand Canyon 576 Comment
  JEPS19470 Image available Lotus scoparius var. brevialatus A. M. Ottley 1920-5-3 589 Los Angeles Little Tujunga Wash San Gabriel Mts.; Little Tujunga Wash, San Gabriel Mts. 335 Comment
  RSA0098375  Lotus strigosus R. G. Swinney 2011-6-14 15123 Los Angeles San Gabriel Mountains: Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  RSA0112527  Lotus strigosus Richard G. Swinney 2010-5-21 12902 Los Angeles San Gabriel Mountains: unnamed ridgetop (summit 4322 ft), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. Angeles Forest Hwy. and Mt. Emma Rd. 1299 Comment
  UCR125423  Lotus strigosus A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25690 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along dirt road on eastern slopes below 'Grapevine Mesa,' 1.75 mi. ESE of Del Valle, south of confluence of Castaic Creek with Santa Clara River 335 Comment
  UCR191711  Lotus strigosus A. C. Sanders 2008-4-11 34873 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School 945 Comment
  UCR270936  Lotus strigosus R. G. Swinney 2011-6-14 15123 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  RSA618719  Lotus strigosus var. strigosus Scott D. White, Sandy Leatherman 1998-5-19 6532 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, between 1-5 fwy./ Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  SEINET3132486  Lotus strigosus var. strigosus Unknown 1903-4-10 3246 Los Angeles Near Inglewood Comment
  RSA406433  Lotus unifoliolatus D. S. Krause 1939-07 s.n. Los Angeles Open fields in foothills, La Canada Comment
  RSA188210  Lotus unifoliolatus R. F. Thorne, P. C. Everett 1965-6-23 34974 Los Angeles Santa Catalina Island: Hay Press Reservoir. 412 Comment
  RSA406265  Lotus unifoliolatus H. C. Ackley 1917-05 s.n. Los Angeles Mulholland Drive. Comment
  RSA594214  Lotus wrangelianus L. C. Wheeler 1967-5-8 9316 Los Angeles Liebre Mountains. Foothills northeast of Saugus. 381 Comment
  UC1349362  Lotus wrangelianus Robert F. Thorne 1966-4-6 35894 Los Angeles ridge between White Cove and Moonstone Cove; Santa Catalina Island 15 Comment
  POM271777  Ludwigia peploides subsp. peploides George B. Grant 1897-07 1691 Los Angeles Los Angeles River Comment
  UC142983  Ludwigia peploides subsp. peploides Katharine Brandegee 1910-8-1 Los Angeles Bixby Lake near Los Angeles; Bixby Lake Comment
  UC73249  Lupinus affinis E. D. Palmer April 1901 Los Angeles Claremont Comment
  RSA0062871  Lupinus albifrons Daisie Huang 2008-4-20 08042012 Los Angeles Pine Canyon Rd and Three Points Rd. 312 Comment
  LA52462  Lupinus bicolor Carl Epling; March 1925 6042 Los Angeles Santa Monica Mountains, Griffith Park Comment
  RSA0073367  Lupinus bicolor R. G. Swinney 2010-3-16 11962 Los Angeles San Gabriel Mountains/Verdugo Mountains: Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  SD215533  Lupinus bicolor Steve Boyd, Lauren Raz 1997-3-26 9374 Los Angeles Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 975 Comment
  UC1870319  Lupinus bicolor LeRoy Gross 2005-4-28 2165 Los Angeles [Transverse Ranges; San Gabriel Mountains region]; Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road. Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Than dropped off ridge into Comment
  UCD168364  Lupinus bicolor J. W. Barry 1980-5-1 s.n. Los Angeles Hungry Valley SVRA. (Exact location unknown. This park is mostly in Los Angeles county, but also includes parts of Ventura and Kern counties. Coordinates estimated by the label maker.) Comment
  UCR131432  Lupinus bicolor Alison Lipman 1998-5-28 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  RSA717064  Lupinus bicolor Andrea Edwards, Pam De Vries 2006-4-11 60 Los Angeles triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  SBBG132071  Lupinus bicolor S. A. Junak, B. Collins 1991-4-25 SCI 220 Los Angeles Thirst Cyn, S of rd to SHOBA, REWS ("Pole" on map) 533 Comment
  SFV4363  Lupinus bicolor D. B. Dunn 1941-3-22 860 Los Angeles San Fernando Valley Sepulveda Blvd near San Fernando Reservoir. Comment
  CHSC98607  Lupinus bicolor subsp. microphyllus LeRoy Gross; Michael Honer, Leland Lubinsky 2000-4-27 181 Los Angeles San Rafael Hills: Ridge running west from Lookout Tower, east of the (2) Glendale Freeway. Near ridgetop; area burned in 1999. 487 Comment
  RSA177718  Lupinus bicolor subsp. microphyllus R. F. Thorne, P. C. Everett 1965-5-12 34608 Los Angeles Santa Catalina Island, Bullrush Canyon 243 Comment
  UC1871270  Lupinus bicolor subsp. microphyllus T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3854 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. Elevations between 4880-5680 feet. Comment
  SEINET10970224  Lupinus bicolor subsp. tridentatus Bakker 1947-2-2 BAKKER UMO 162300 Los Angeles Collected in soledad canyon, vasquez rocks, mojave desert. Comment
  RSA165757  Lupinus bicolor subsp. umbellatus Wesley O. Griesel 1963-4-20 763 Los Angeles [Unspecified] 152 Comment
  RSA407122  Lupinus chamissonis Ora M. Clark 1928-12-23 1376 Los Angeles Venice Comment
  UCR221898  Lupinus concinnus R. G. Swinney 2009-4-28 10532 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UC127558  Lupinus concinnus J. Burtt Davy May 9 1896-May 24 1896 2495 Los Angeles Richardson's Canyon Antelope Valley (Antelope Valley); , Richardson's Canyon Comment
  RSA0069568  Lupinus excubitus Daisie Huang 2007-5-18 07051801 Los Angeles Near summit of Monrovia Canyon Trail, 4 miles past bridge. 899 Comment
  SD146266  Lupinus excubitus A. C. Sanders, D. Malueg 1998-6-24 22060 Los Angeles San Gabriel Mountains, CCC Ridge, off Hwy 2 just north of Pasadena city limits, So. CA Edison Mesa-Vincent transmission line at tower 16-2, open disturbed area; Condor Peak 7.5' quad. 822 Comment
  SFV1882  Lupinus excubitus P. G. Kilburn 1958-4-12 713 Los Angeles San Gabriel Mountains Soledad Canyon, 2 miles east of Soledad Campground 670 Comment
  RSA0110848  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. 793 Comment
  RSA413594  Lupinus excubitus var. hallii Anstruther Davidson s.n. Los Angeles Hollywood. Comment
  POM11486  Lupinus excubitus var. johnstonii P. A. Munz 1921-6-18 4638 Los Angeles Between Swartout and Pairie Fork 2439 Comment
  POM175570  Lupinus excubitus var. johnstonii E. Crow 1930-6-29 s.n. Los Angeles Along trail between Camp Coldbrook and Pine Flats, San Gabriel Mountains. Comment
  SBBG13706  Lupinus guadalupensis P. H. Raven 1962-4-10 17190 Los Angeles above ocean; just S of Wilson Cove 91 Comment
  UCR124368  Lupinus hirsutissimus I. W. Clokey, B. C. Templeton 1929-1 4474 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  CAS-BOT-BC211712  Lupinus longifolius Peter H. Raven 1959-5-3 12070 Los Angeles Along Mulholland Drive, 0.5 miles east of Beverly Glen Boulevard, Santa Monica Mountains 381 Comment
  RSA414843  Lupinus longifolius Robert L. Dressler 1949-6-19 900 Los Angeles Johnstone Peak, San Gabriel Mountains. 854 Comment
  UCD108625  Lupinus microcarpus A. C. Sanders; Mark A. Elvin, et al. 2003-4-14 25971 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  UC1614047  Lupinus microcarpus var. horizontalis Charles M. Belshaw 1935-3-29 497 Los Angeles 20 mi w of Lancaster (West Antelope Valley, on s face of La Liebre Scarp); West Antelope Valley, La Liebre Scarp Comment
  JEPS108006  Lupinus microcarpus var. microcarpus Rhonda Riggins 1982-4-16 1349 Los Angeles W edge Antelope Valley, Ca. 198 3.1 mi W jct. Co. Rd. N2 5.6 mi W Gorman Post Rd. and I5. Comment
  SFV15610  Lupinus microcarpus var. microcarpus B. de Guzman, A. Agdaian, L. Mesropi May 1992 11 Los Angeles Santa Monica Mountains Along Las Virgenes Road just 0.25 miles before road to Buddhist Temple. Comment
  SEINET12154609  Lupinus odoratus H. H. Heller 1937-1 464 Los Angeles 20miE of Lancaster, on Victorville Rd Comment
  CAS-BOT-BC207253  Lupinus peirsonii Lee W. Lenz 1968-6-11 37790 Los Angeles San Gabriel Mts., Angeles National Forest, along Angeles Crest W of Mt. Baden-Powell, N slope of San Gabriel Mts. 2286 Comment
  SEINET3131618  Lupinus sparsiflorus G. B. Grant 1904-5-10 731 -6173 Los Angeles Pasadena Comment
  SFV21759  Lupinus sparsiflorus L. Gross 2001-4-1 378 Los Angeles Verdugo Mountains Northwest side of Verdugo Mountains. Low hill between La Tuna Canyon Road and Sunland Blvd. Entered at dead end street at corner of Tuxford St. and Ledge Ave. just north of La Tuna Canyon Road in Sun Valley, just west of mouth of McDonald Creek. 305 Comment
  RSA86965  Lupinus stiversii F. W. Peirson 1921-5-3 2405 Los Angeles Ridge Westward from Mt. Lowe near pint where the trail from Millard's Canyon crosses it, San Gabriel Mts 1296 Comment
  RSA0068306  Lupinus subvexus var. subvexus R. G. Swinney 2010-5-12 12708 Los Angeles Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone. 921 Comment
  RSA619105  Lupinus succulentus R. S. Woglum s.n. Los Angeles South Coast: North Hollywood; San Fernando Valley. Comment
  RSA87039  Lupinus succulentus F. W. Peirson 1921-2-26 2361 Los Angeles Near road to Topanga Canyon, San Fernando Valley 274 Comment
  SD30963  Lupinus succulentus Edith A. Purer 1931-4-28 Los Angeles Palos Verdes Hills, on top of hills in grassy area Comment
  RSA625864  Lupinus truncatus Scott D. White 1998-4-19 6269 Los Angeles Irwindale, San Gabriel River Basin, Santa Fe Flood Control Basin on disturbed alluvial fan. 152 Comment
  UCR194736  Lupinus truncatus Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 749 Los Angeles Transverse Range: Verdugo Mountains, Verdugo Mountains, south side, above Burbank. Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Motortway 427 Comment
  UCR57213  Lupinus truncatus R. G. Swinney 1989-5-20 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park, 1 mi. east of Glendora Mountain Road on Big Dalton Canyon Road 427 Comment
  RSA182331  Lupinus truncatus J. D. Olmsted 1962-4-20 3418 Los Angeles Johnstone Park burn, from west fork of San Dimas Creek to Wolfskill falls. 457 Comment
  RSA414388  Lupinus truncatus Robert M. Perkins 1936-5-3 182 Los Angeles San Gabriel Canyon Comment
  RSA655798  Lupinus truncatus James Henrickson 2000-4-15 20703 Los Angeles Ca. 1 mile SE of Newhall in Whitney Canyon SE of junction of San Fernando Road and State Highway 14. 457 Comment
  UCD109649  Lupinus truncatus Raymond A. Evans 1949-4-19 s.n. Los Angeles San Dimas. Comment
  JEPS11731  Lycium californicum R. A. Casad 1920-1-26 Los Angeles Huntington Beach Comment
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Dec 23 2014
  UCSB52770  Lycium californicum Boutin, F. 1967-4-23 Los Angeles San Clemente Island Comment
  CAS-BOT-BC231612  Lycium cooperi Louis C. Wheeler 1932-4-10 608 Los Angeles 2 mi. W Palmdale, Mohave [Mojave] Desert 762 Comment
  UCR108202  Lycium cooperi L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mtns, Pallett Creek 1280 Comment
  SBBG109005  Lyonothamnus floribundus var. aspleniifolius S. A. Junak 1996-10-2 SCl 702 Los Angeles lower portion of Horse Cyn, at foot of long ridge entering cyn from w, 2.78 mi SSW of Thirst 91 Comment
  SBBG105504  Lyonothamnus floribundus var. floribundus F. R. Fosberg 1931-4-23 4686 Los Angeles headwaters of Swain's (Swain), NE slopes of Black Jack Comment
  RSA0110917  Madia minima R. G. Swinney 2011-6-7 15082 Los Angeles San Gabriel Mountains: summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory. 1768 Comment
  UCR50864  Magnolia grandiflora A. C. Sanders 1988-5-18 7834 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  CAS-BOT-BC231884  Malacothamnus davidsonii Alice Eastwood 1919-6-21 9051 Los Angeles San Fernando Comment
  CAS-BOT-BC206214  Malacothamnus fasciculatus Peter H. Raven 1962-5-21 17802 Los Angeles Bullrush Canyon, about opposite ranch in Middle Canyon, Santa Catalina Island 213 Comment
  RSA0101005  Malacothamnus fasciculatus Wesley O. Griesel 1961-7-26 s.n. Los Angeles State Highway #2, between Big Pines and Wrightwood. 1829 Comment
  CAS-BOT-BC206359  Malacothamnus fremontii Carl B. Wolf 1932-8-11 4005 Los Angeles No. slope of San Gabriel Mts. 8 mi. below Big Pines Park on road to Little Rock 1371 Comment
  RSA0091732  Malacothrix clevelandii R. G. Swinney 2011-5-12 14668 Los Angeles east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  RSA94958  Malacothrix clevelandii F. W. Peirson 1920-6-10 4314 Los Angeles Maple Springs Trail to Mt. Lowe 1219 Comment
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Jul 19 2008
  SD232192  Malacothrix clevelandii Scott D. White, Michael Honer, Dylan Hannon 2003-6-25 9602 Los Angeles Liebre Mts: Tapia Canyon area, ca. 2 - 3 air miles west of I-5 jtn. w/ Ridge Rt. Rd. 395 Comment
  RSA712468  Malacothrix coulteri LeRoy Gross 2005-5-19 2293 Los Angeles South of Ave A (Kern County boundary) east of the #14 freeway. South of the city of Rosamond. between 20th Street West and Sierra Highway. Started at Ave A, Near 34.820450N, 118.16535W then walked south to 34.81703N, 118.16403W. 715 Comment
  RSA670648  Malacothrix coulteri B. C. Templeton, C. B. Clokey, I. W. Clokey 1930-5-13 1470 Los Angeles Bouquet Canyon. 800 Comment
  UC1215278  Malacothrix foliosa Peter H. Raven 1962-4-11 17291 Los Angeles Wilson Cove San Clemente Island (barracks area) 91 Comment
  SBBG105385  Malacothrix foliosa subsp. foliosa R. M. Beauchamp 1976-5-22 4138 Los Angeles mouth of Eel Pt Cyn 13 Comment
  SEINET4102684 Image available Malacothrix glabrata C. Davidson 1973-1 1883 Los Angeles 1 mile south of Littlerock. 762 Comment
  UCR281986  Malacothrix glabrata R. G. Swinney 2014-4-18 16118 A Los Angeles San Gabriel Mountain/Mojave Desert, SW of Littlerock, 1.4 miles east of Cheseboro Rd., 100-300 m south of California Aqueduct, west of Little Rock Siphon and Little Rock Wash 968 Comment
  RSA160868  Malacothrix glabrata P. C. Everett, Nick Lolonis 1962-4-30 24458 Los Angeles Hwy 138 at intersection with Palmdale Road Comment
  UCSB11502  Malacothrix glabrata Otto, Karen 1962-5-4 Los Angeles 5.8 miles east of junction with Highway 6 on Highway 138 883 Comment
  CAS-BOT-BC347934  Malacothrix saxatilis var. tenuifolia F. Grinnell 1903-7-3 s.n. Los Angeles Scoville Hill, near Pasadena Comment
  JEPS36605  Malacothrix saxatilis var. tenuifolia F. W. Peirson 1920-5-3 2118 Los Angeles Big Tujunga Wash 335 Comment
  LA200248  Malacothrix saxatilis var. tenuifolia Jonathan Sauer; L. Loeher 1979-4-14 6065 Los Angeles 91 Comment
  LA32065  Malacothrix saxatilis var. tenuifolia Peter H. Raven; 1959-2-23 13804 Los Angeles Santa Monica Mountains, Mulholland Dr 3.1 mi. E of Decker Road 548 Comment
  OBI69365  Malacothrix saxatilis var. tenuifolia John Knapp, Denise Knapp 2002-11-27 25 Los Angeles Santa Catalina Island 82 Comment
  POM362372  Malacothrix saxatilis var. tenuifolia B. C. Templeton 1939-6-23 s.n. Los Angeles Huntington Palisades, Santa Monica Mountains. Comment
  CATA357  Malosma laurina Mark L. Hoefs 1973-7-20 403 Los Angeles Santa Catalina Island: Along stream bed, by Edison pump station, upper Middle Ranch Canyon 274 Comment
  POM178033  Malva parviflora J. Ewan 1931-5-11 4188 Los Angeles 1 mile N Van Nuys Estate, West 6th St. Comment
  SEINET3143105  Malvella leprosa G. B. Grant 1904-6-5 1199 Los Angeles Ballona Comment
  UCR125779  Manihot grahamii A. C. Sanders 2003-5-26 26837 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel 171 Comment
  SFV6288  Marah fabacea M. H. Grayum, K. Felt 1974-5-22 s. n. Los Angeles Santa Susana Mountains North side of Oat Mountain along main ridge road. 1067 Comment
  UCR192161  Marah horrida A. C. Sanders 2008-4-18 34979 Los Angeles Transverse Range, upper Cow Spring Canyon, along wash 1072 Comment
  RSA77637  Marah macrocarpa F. W. Peirson 1921-2-26 4507 Los Angeles Topango Canyon Divide. 488 Comment
  SBBG37745  Marah macrocarpa R. Moran 1941-2-16 573 Los Angeles Middle Ranch 500 Comment
  UCR153585  Marah macrocarpa A. C. Sanders 2005-5-11 30192 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon along Plum Canyon Rd. between crest and vernal pool on bench in mid canyon, NW of Forest Park between Mint and Bouquet Cyns. 671 Comment
  UCR271851  Marah macrocarpa R. G. Swinney 2011-3-15 14068 Los Angeles San Gabriel Mountains, Arcadia Wilderness Park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 232 Comment
  RSA233391  Marah macrocarpa R. F. Thorne 1966-4-15 s.n. Los Angeles San Clemente Island: 2/3 miles SSE of Eel Point (and N of seal Cove), SW side of island 30 Comment
  RSA609284  Marah macrocarpa var. macrocarpa L. C. Wheeler 1974-4-4 s.n. Los Angeles West end of Los Angeles International Airport. 60 Comment
  RSA584507  Marah macrocarpa var. major Tim Ross 1992-4-14 1610 Los Angeles San Clemente Island. Eastern escarpment just inside the mouth of Nanny Canyon before it opens onto a sloping terrace and flows northward. 168 Comment
  SD79022  Marah macrocarpa var. major R. Mitchel Beauchamp 1967-1-27 107 Los Angeles San Clemente Island, east of Wilson Cove area, in field Comment
  UCR259279  Marrubium vulgare R. G. Swinney 2010-5-4 12524 Los Angeles San Gabriel Mountains, north of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park 457 Comment
  LA81994  Marrubium vulgare Carl Epling; 1925-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  UCD125016  Marrubium vulgare Leo Boyd 1987-5-2 s.n. Los Angeles Corner 161st Street and Estrella. Comment
  UCSB12717  Marrubium vulgare Hochberg, Fred 1961-3-30 Los Angeles 1/2 mile south on Middle Canyon Road from junction with Airport Road, Catalina Island Comment
  UCR209311  Marsilea vestita A. C. Sanders 2009-11-6 37231 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  CAS-BOT-BC348119  Matricaria discoidea Alice Eastwood 1906-5-27 188 Los Angeles Country adjacent to Los Angeles. San Pedro Comment
  RSA246424  Matricaria matricarioides F. R. Fosberg 1931-4-8 4507 Los Angeles Avalon; Santa Catalina Island. 2 Comment
  UC1178663  Meconella denticulata Peter Kamb 1947-5-25 536 Los Angeles near Sunset Ridge Guard station; San Gabriel Mtns, Millard Canyon 670 Comment
  SFV7299  Medicago lupulina T. Gordon 1975-2-21 797 Los Angeles San Fernando Valley Los Angeles, Northridge. Northwest corner of Rayen St. and Rathburn Ave. 250 Comment
  UCSB68629  Medicago lupulina Gross, LeRoy 2004-5-19 Los Angeles Coastal Plains & Basins; San Fernando Valley Basin region; City of Sunland; bluff south side of Big Tujunga Wash, in yard in housing tract called "Sunhill Estates" Comment
  RSA675004  Medicago polymorpha LeRoy Gross 2003-2-22 735 Los Angeles South side; A short distance up mouth of Brand Canyon, south next to Brand Canyon Cemetery. North of the Debris Basin. 287 Comment
  POM348024  Medicago polymorpha Bonnie C. Templeton 1930-4-2 4408 Los Angeles Mulholland Dr. Santa Monica Mountains. Comment
  RSA652179  Medicago sativa Horton Sherwood 1948-5-16 s.n. Los Angeles 1/4 mi. east of Walteria just below Palos Verdes Hills. 30 Comment
  UCR178188  Melia azedarach LeRoy Gross, Valerie Soza 2003-5-15 920 Los Angeles Transverse Ranges; Verdugo Mountains, Northwest side of mtns, along ridgetop N of La Tuna Canyon Road and south of McDonald Creek, east of Elben Avenue and west of small canyon at the end of Elben Place 1600 Comment
  RSA651809  Melica imperfecta D. H. Wilken, M. Kamins, C. Cumming 1965-4-22 212 Los Angeles Tuna Canyon about 1 mile inland from the coast. Santa Monica Mtns. 152 Comment
  UC440486  Melica imperfecta Carl Epling and Lincoln Ellison 1929-4-27 Los Angeles Topanga Canyon; Santa Monica Mountains Comment
  UCR191680  Melica imperfecta T. B. Salvato 2008-4-22 3316 Los Angeles Transverse Range; Northwestern San Gabriel Mountain Foothills/Mojave Desert, east of Neenach in the Antelope Valley, south of Hwy 138 and west of 265th Street, slopes west of Pine Canyon 1006 Comment
  LA12147  Melica imperfecta O. A. Plunkett; 1925-11-28 sn Los Angeles Comment
  RSA0030866  Melica imperfecta Carl Epling 1931-4-25 Los Angeles Los Alisos Canyon, Santa Monica Mountains. Comment
  UCSB3449  Melilotus indicus Albright, S. 1957-5-7 Los Angeles Sepulveda Canyon 91 Comment
  UCR197134  Melinis repens LeRoy Gross 2007-4-27 2662 Los Angeles Transverse Range; Verdugo Mountains, southwest side of the range, east branch of Jeffries Canyon via intersection of Hollywood way and Edmore Place in the city of Sun Valley 299 Comment
  RSA440344  Mentzelia affinis Blanche Trask 1901-03 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  LA106724  Mentzelia albicaulis Steve Boyd; 1986-3-30 1500 Los Angeles Hwy 18, 0.5 mi E of junction with Hwy 138, NE of Pinyon Hills. Comment
  RSA0097782  Mentzelia congesta R. G. Swinney 2011-4-26 14521 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 378 Comment
  UC138555  Mentzelia laevicaulis var. laevicaulis C. F. Baker 1903-8-2 3452 Los Angeles near Claremont; San Antonio Canyon Comment
  CATA1997  Mentzelia micrantha Steven A. Junak, Mark Hoefs 1997-6-4 410 Los Angeles Santa Catalina Island: W end of Empire Landing rock quarry site, on E side of small canyon 36 Comment
  POM18162  Mentzelia micrantha P. A. Munz 1923-4-10 6749 Los Angeles San Clemente Island: canyon south of 'Lemon Tank'; west coast. Comment
  RSA0047419  Mentzelia micrantha R. G. Swinney 2010-5-4 12501 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
  UC1279994  Mentzelia micrantha Peter H. Raven, H. L. Wedberg 1957-6-15 10906 Los Angeles 8 mi n U.S. 101A; Santa Monica Mountains, Latigo Canyon Comment
  RSA679924  Mentzelia montana LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 933 Los Angeles Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1). 1631 Comment
  RSA446906  Mentzelia ravenii Robert Gustafson 1978-6-1 996 Los Angeles Ca. 0.5 mile east off main dirt road running through Hungry Valley, summit of hills overlooking upper Freeman Canyon, ca. 1 mile S of Gorman. 1311 Comment
  SEINET6085935  Mentzelia veatchiana Unknown 1997-3-25 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  SBBG70905  Micranthes californica M. N. Ackley -Mar-1926 1005 Los Angeles Eagle Rock 213 Comment
  SD2089  Micranthes californica Ruth B. Randall August 1928 280 Los Angeles Big Tujunga Canyon Comment
  SD264784  Microseris douglasii subsp. platycarpha Steven A. Junak 2001-5-18 Sca 1545 Los Angeles Santa Catallina Island. Cottonwood Canyon, along Cottonwood-Blackjack Road, ca. 1.6 miles WSW of Blackjack Peak. Comment
  RSA158319  Microseris heterocarpa P. H. Raven 1962-4-10 17206 Los Angeles San Clemente Island. Summit of Thirst. 579 Comment
  UCR282037  Microseris lindleyi R. G. Swinney 2014-4-30 16248 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
  UCR255767  Mimulus R. G. Swinney 2010-5-12 12707 Los Angeles San Gabriel Mountains/Mojave Desert, Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone 921 Comment
  RSA240673  Mimulus aurantiacus Donald R. Bissing 1973-6-2 99 Los Angeles San Gabriel Mountains, Evey Canyon, 0.3 mile from the canyon mouth 720 Comment
  RSA305768  Mimulus aurantiacus James R. Shevock 1970-4-16 113 Los Angeles 1/2 mi W. of Ca. Hwy 27, Topanga Canyon 412 Comment
  RSA442655  Mimulus aurantiacus I. M. Johnston 1917-7-28 1607 Los Angeles San Antonio Mountains, San Antonio Canyon 2287 Comment
  RSA612183  Mimulus aurantiacus Damian Ross 1997-4-19 28 Los Angeles Bernard Biological Field Station, Claremont Colleges. W of Infirmary Rd. about 30 feet off the road, about halfway up. 412 Comment
  RSA612435  Mimulus aurantiacus Bill Campbell 1932-4-30 s.n. Los Angeles Los Alisos Canyon. Comment
  RSA652516  Mimulus aurantiacus Jim Reutzel 1994-5-22 46 Los Angeles Hills behind the Cal Poly Pomona University Health center. Comment
  SDSU10744  Mimulus aurantiacus R. M. Beauchamp 1967-6-3 563 Los Angeles On rocky outcropping on north side of canyon south of Thirst. San Clemente Island. Comment
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May 16 2008
  RSA0085079  Mimulus aurantiacus Sam Tyson 1943-4-24 s.n. Los Angeles San Dimas Canyon. 427 Comment
  UC1215230  Mimulus aurantiacus var. parviflorus Peter H. Raven 1962-7-11 18001 Los Angeles near head Twin Canyon; San Clemente Island 426 Comment
  POM183625  Mimulus aurantiacus var. pubescens J. Ewan 1929-5-18 3418 Los Angeles 1 mile above mouth of Los Flores Canyon. 84 Comment
  LA209124  Mimulus aurantiacus var. puniceus Alice Eastwood; 1917-7-25 sn Los Angeles Santa Catalina Island Comment
  LA51877  Mimulus brevipes A. M. Johnson; 1932-5-30 4121 Los Angeles Santa Monica Mountains, Brent's Mountain, Crag's Camp 152 Comment
  POM8951  Mimulus brevipes P. A. Munz, R. D. Harwood 1920-4-21 3690 Los Angeles San Dimas Canyon, [San Gabriel Mountains] 457 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
  JEPS10247  Mimulus cardinalis Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco Comment
  RSA573710  Mimulus cardinalis Tim S. Ross 1990-8-17 3150 Los Angeles Upper Big Rock Creek, 120-200m N of Icy Springs 1726 Comment
  UC1211016  Mimulus cardinalis Huron H. Smith 1912-6-13 5100 Los Angeles Rock Springs Canyon Santa Catalina Island 67 Comment
  UCR272864  Mimulus cardinalis R. G. Swinney 2011-7-29 15573 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  SEINET12269807  Mimulus cardinalis Unknown 1933-1 8415 Los Angeles near Los Angeles Comment
  RSA580454  Mimulus constrictus Tim S. Ross, S. D. Boyd 1994-5-11 7817 Los Angeles Sawmill Mountain: W summit area ca 260-350 meters SE of Sawmill Campground 1598 Comment
  UC27072  Mimulus constrictus J. Burtt Davy May 9 1896-May 24 1896 2488 Los Angeles near Manzana; Antelope Valley Comment
  RSA226220  Mimulus floribundus Gary D. Cromwell, David W. Wheat 1971-7-1 698 Los Angeles Mystic Canyon, San Gabriel Mountains, Angeles National Forest. Two miles NE of Glendora. 396 Comment
  UCR190881  Mimulus floribundus R. G. Swinney 1999-7-14 7552 Los Angeles San Gabriel Mtns., Laurel Gulch, an eastern tributary of East Fork San Gabriel River Canyon 854 Comment
  RSA80076  Mimulus floribundus F. W. Peirson 1921-6-19 2456 Los Angeles Crystal Lake, North Fork San Gabriel River 1677 Comment
  UCD122694  Mimulus grandis Gordon J. Pilone 1963-5-3 267 Los Angeles 2 miles east of Gorman on Hwy 138 on Tejon Ranch. Mt. Range: San Emigdio. Drainage Area: Pacific Slope. 1219 Comment
  SFV3395  Mimulus guttatus K. A. Wilson 1962-5-12 1274 Los Angeles San Gabriel Mountains Canyon with public campgrounds leading to Devil's Punch Bowl Trail. North slope of San Gabriel Mountains. 1400 Comment
  POM307079  Mimulus guttatus Henry J. Ramsey, Henry J. Ramsey 1937-8-19 1927 Los Angeles Between Walnut and Covina, near State school. Comment
  RSA80447  Mimulus guttatus F. W. Peirson 1923-4-10 3471 Los Angeles 5 mi. SE of Wilson Cove. Canyon about 5 mi. southeast of Eagle Ranch, San Clemente Island. Comment
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May 16 2008
  RSA0036824  Mimulus moschatus var. moschatus Justin M. Wood 2011-7-7 4335 Los Angeles San Gabriel Mountains: Little Rock Creek: just upstream of Little Rock reservoir. 999 Comment
  RSA9770  Mimulus palmeri R. M. Straw 1954-6-16 626 Los Angeles Horse Flats Road, off Angeles Crest Hwy. Angeles National Forest. Comment
  RSA506827  Minuartia douglasii L. C. Wheeler 1967-5-12 9471 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA592255  Minuartia douglasii L. C. Wheeler 1967-5-12 9471 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA608899  Minuartia douglasii L. C. Wheeler 1931-4-8 s.n. Los Angeles San Gabriel Mountains: San Dimas Canyon. Comment
  RSA65504  Minuartia douglasii F. W. Peirson 1920-6-10 5316 Los Angeles below Inspiration Point, Mt. Lowe. 1341 Comment
  RSA158282  Mirabilis laevis var. crassifolia Peter H. Raven 1962-4-11 17307 Los Angeles Behind Northwest Harbor; San Clemente Island. 6 Comment
  RSA276009  Mirabilis laevis var. villosa Jack Delaini 1974-5-9 185 Los Angeles On steep , grassy slopes of S-facing ridge near mouth of canyon with Eriogonum fasciculatum foliosum, adenostoma fasciculatum, rhus laurina, etc. 427 Comment
  RSA509700  Mirabilis multiflora var. pubescens Louis C. Wheeler 1967-7-23 10182 Los Angeles San Gabriel Mts.: vicinity of Kentucky Springs. 1128 Comment
  RSA714682  Modiola caroliniana A. C. Sanders 2003-5-1 26287 Los Angeles San Gabriel Valley: Irwindale, near boundary of Azusa, south side of Montoya St. just east of Irwindale Ave., south of I-210. 171 Comment
  UCR224022  Modiola caroliniana Steve Boyd, Rick Riefner 2007-4-27 11737 Los Angeles Coastal Plains & Basins; Los Angeles Basin region, City of Carson, northwestern end shore of Harbor Park Lake (formerly known as Bixby Slough), between Pacific Coast Highway and Vermont Avenue. 43 Comment
  LA51379  Modiola caroliniana R. L. Armacost; 1953-6-21 2 Los Angeles SANTA MONICA MOUNTAINS, Santa Monica. Comment
  CAS-BOT-BC219844  Monardella breweri subsp. breweri Roxana S. Ferris 1918-6-12 949 Los Angeles 3 miles above Acton on Palmdale - Saugus Road Comment
  CAS-BOT-BC219912  Monardella breweri subsp. glandulifera LeRoy Abrams 1902-7-7 2662 Los Angeles Glendora Comment
  RSA717869  Monardella cinerea R. G. Swinney 1995-8-28 4476 Los Angeles West Mt. Baldy Summit, 11S MH-4E, 9N 3012 Comment
  RSA732943  Monardella cinerea R. G. Swinney 1999-8-9 7609 Los Angeles East end of Big Horn Ridge, c. 0.5 mi SW of West Baldy peak of Mt. San Antonio 2805 Comment
  RSA83379  Monardella exilis F. W. Peirson 1918-6-18 1067 Los Angeles Between Rock Creek and Cajon Pass, east of Llano. Comment
  UCR219836  Monardella hypoleuca subsp. hypoleuca Mark A. Elvin, Adam Clause 2008-5-30 5972 Los Angeles Transverse Range; Santa Monica Mtns., Santa Ynez Canyon, c. 300 m north of Ver de La Montura Rd. Comment
  RSA401618  Monardella saxicola I. M. Johnston 1917-7-1 1440 Los Angeles Evey Canyon Comment
  CAS-BOT-BC349494  Monolopia lanceolata A. J. McClatchie 1897-4-9 s.n. Los Angeles Palos Verdes Hills near Redondo Comment
  RSA249761  Monoptilon bellidiforme R. F. Thorne, Gary D. Wallace 1973-4-25 43393 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1/4 mi N of Bob's Gap, 3.5 mi S of Llano, N slope of Holcomb Ridge. 1159 Comment
  RSA0010786  Morus alba R. G. Swinney 1992-4-16 1721 Los Angeles San Gabriel Mountains: Big Dalton Canyon, 0.7 miles east of Glendora Mountain Road at Big Dalton Canyon Road. Comment
  UC1132353  Muhlenbergia asperifolia H. S. Yates 1935-8-28 6362 Los Angeles 1/2 mi nw Valyermo Ranger Station; Rock Creek Quadrangle Comment
  CAS-BOT-BC262696  Muhlenbergia californica A. J. McClatchie No date on label s.n. Los Angeles Pasadena Comment
  CAS-BOT-BC275325  Muhlenbergia microsperma Le Roy Abrams 1901-4-1 1383 Los Angeles Monte Vista Comment
  RSA0064068  Muhlenbergia richardsonis R. G. Swinney 2010-10-13 14045 Los Angeles Lily Spring, within 100 meters of main spring. 2454 Comment
  RSA0119546  Nama demissa R. G. Swinney 2014-4-30 16265 Los Angeles San Gabriel Mountains; 3.8-4.0 miles s. of Hwy. 138 on w. side of Largo Vista Road to ridge, c. 100 meters to the west. 1387 Comment
  JEPS1377  Nama demissa var. demissa Frank W. Peirson 1921-5-19 2415 Los Angeles Little Rock Creek , Little Rock Creek (San Gabriel Mountains) 1036 Comment
  RSA614989  Nama demissa var. demissa Louis C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 Comment
  CAS-BOT-BC259798  Nassella cernua Reid Moran 1941-2-16 570 Los Angeles On W side of ravine, Middle Ranch, San Clemente Island Comment
  CAS-BOT-BC433229  Nassella cernua A. C. Sanders 2006-5-16 32302 Los Angeles Transverse Range; Liebre Mtns. Region: 1/2 mi. west of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon. 1006 Comment
  POM353176  Nassella cernua F. H. Elmore 1939-11-25 s.n. Los Angeles San Clemente Island. Pyramid Cove. Comment
  POM296907  Nassella lepida Lyman Benson 1945-5-11 11682 Los Angeles Indian Hill, Claremont Comment
  POM484094  Nassella lepida C. Epling 1931-04 s.n. Los Angeles Santa Monica Mountains. Los Alisos Canyon. Comment
  RSA114444  Navarretia atractyloides E. K. Balls 1955-6-23 20792 Los Angeles native to Botanical Garden site, Claremont 335 Comment
  UC133713  Navarretia hamata J. Grinnell 1903-6-27 Los Angeles Arroyo Seco Pasadena Comment
  UC709723  Navarretia prostrata Rev. J. C. Nevin May 1882 Los Angeles near Wilmington Comment
  UCR155123  Navarretia setiloba A. C. Sanders 2005-5-5 29932 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, hills at SW end of Cruzan Mesa at Bench Mark 'Plum 701 Comment
  UCR95534  Navarretia setiloba J. M. Porter, J. T. Columbus, G. dos Santos 1996-6-5 10913 Los Angeles Transverse Range, c. 2 mi north of Solemint, just off Arline Road, 2 mi from intersection with Sierra Hwy 610 Comment
  SBBG126981  Nemacladus longiflorus var. longiflorus A. Parikh, N. Gale 2011-6-25 3505 Los Angeles upper Big Tujunga Cyn, 1.2 km W of Shortcut Station, 0.8 km N of St Hwy 2; San Gabriel Mtns 1236 Comment
  LA94322  Nemacladus ramosissimus Peter H. Raven; David S. Verity 1960-5-7 15347 Los Angeles Santa Monica Mountains, Cornell Corners, just W of Cornell Corners 228 Comment
  RSA497249  Nemacladus ramosissimus L. C. Wheeler 1967-5-24 9730 Los Angeles Indian Canyon, hot dry sunny SW slope with low shrubs, burned a few years ago 792 Comment
  RSA594617  Nemacladus ramosissimus L. C. Wheeler 1967-5-8 9335 Los Angeles San Gabriel Mts [Liebre Mtns] between Bouquet Junction and Bonelli Ranch. 396 Comment
  RSA586480  Nemacladus sigmoideus Orlando Mistretta, Mark Elvin 1995-6-20 1818 Los Angeles Bare Mountain Canyon. 1829 Comment
  SEINET10906109  Nemacladus sigmoideus Thorne 1973-5-11 THORNE 43469 Los Angeles San Gabriel Mts., Mojave Desert Slope: 0.25-0.50 mile north of Bob's Gap, north slope of Holcomb Ridge, ca 2.5 miles due south of Llano 1158 Comment
  SEINET3156490  Nemophila menziesii G. B. Grant 833 Los Angeles Pasadena Comment
  RSA0115477  Nemophila parviflora var. quercifolia A. C. Sanders, T. B. Salvato 2007-4-24 33504 Los Angeles Tehachapi Mountains: hills above Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant. 1082 Comment
  RSA602453  Nerium oleander Scott D. White 1997-5-14 5137 Los Angeles Big Tujunga Wash: Sunland-Tujunga area;alluvial fan below San Gabriel Mountains SW of I -210 freeway, E of Hansen Dam, and N of Wentworth St. 351 Comment
  RSA92208  Nicolletia occidentalis F. W. Peirson 1933-5-13 10662 Los Angeles 12 miles south of Muroc. Comment
  SEINET3162303  Nicotiana bigelovii G. B. Grant 839 Los Angeles Covina Comment
  UCSB5911  Nicotiana glauca Kamb, Peter 1948-3-6 Los Angeles Upper Sonoran Zone. Southern Crest of the San Rafael Hills 426 Comment
  UCR149801  Nicotiana quadrivalvis Scott D. White, Pam Devries 2004-6-14 10488 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
  RSA458913  Oenanthe sarmentosa L. C. Wheeler 1933-7-7 1918 Los Angeles Lexington Wash near El Monte. 73 Comment
  POM355309  Oenothera californica Anstruther Davidson s.n. Los Angeles Lancaster. Comment
  UC1007148  Oenothera elata subsp. hirsutissima Philip A. Munz 1935-9-19 13988 Los Angeles Claremont Comment
  UC1007095  Oenothera glazioviana P. A. Munz 1937-7-5 14696 Los Angeles Claremont Comment
  CAS-BOT-BC427450  Oligomeris linifolia Grant 1898-4-7 6042 Los Angeles San Pedro Comment
  CAS-BOT-BC427451  Oligomeris linifolia Geo. B. Grant 1902-7-1 869 Los Angeles Unspecified Comment
  RSA439565  Opuntia X occidentalis L. C. Wheeler 1931-7-13 s.n. Los Angeles 2 miles N of Claremont. 412 Comment
  RSA756915  Opuntia basilaris R. G. Swinney 2008-6-9 9017 Los Angeles Paradise Springs (Big Rock Creek Camp), 100 m west of campground on north bank of Big Rock Creek 1427 Comment
  RSA604538  Opuntia vaseyi L. C. Wheeler 1968-2-4 s.n. Los Angeles San Gabriel Mountains: Gordon Canyon, Bluebird Truck Trail. 464 Comment
  SEINET195504  Orcuttia californica A. A. Beetle 1946-1 Los Angeles Comment
  RSA0076174  Orobanche bulbosa Thomas T. Craig, W. Simonds 1927-4-30 227 Los Angeles Divide between Evey and Palmer Canyons, San Gabriel Mts. Comment
  RSA0078639  Orobanche californica subsp. feudgei J. B. Feudge 1924-6-10 569 Los Angeles Big Pines, San Gabriel Mts. 1981 Comment
  JEPS64595  Orobanche parishii subsp. brachyloba Robert F. Thorne and P. Everett 1965-6-23 34932 Los Angeles w. side Santa Catalina Isl. (Ben Weston Beach, flat behind dunes); , Ben Weston Beach 3 Comment
  CAS-BOT-BC355760  Osmadenia tenella Geo. B. Grant 1904-5-24 125 /6269 Los Angeles Pasadena Comment
  CAS-BOT-BC355761  Osmadenia tenella Geo. B. Grant 1904-5-24 125 /6269 Los Angeles Pasadena Comment
  RSA310137  Osmorhiza berteroi Wayne E. Sawyer 1981-6-25 65 Los Angeles San Gabriel Mountains, Angeles National Forest: Lily Spring 2454 Comment
  POM353412  Oxalis corniculata M. B. Dunkle 1933-4-14 3295 Los Angeles Long Beach. Comment
  SD52173  Oxalis corniculata H. E. House 1892-1 1464 Los Angeles Santa Monica Comment
  RSA656419  Oxalis pes-caprae Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 673 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, at La Tuna Canyon Road. SSW of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park. 518 Comment
  POM145270  Oxalis pes-caprae P. A. Munz 1928-3-7 11067 Los Angeles Claremont, vacant ground north of Foothill Boulevard 366 Comment
  POM353466  Oxalis pes-caprae F. R. Fosberg 1931-4-9 S 4523 Los Angeles Descanso Canyon, Santa Catalina Island. 5 Comment
  JEPS58024  Oxytheca trilobata Joseph Andorfer Ewan and A. Nesta Dunn 1933-7-23 7825 Los Angeles Tujunga Creek at Alder Creek Jct.; San Gabriel Mts. 1036 Comment
  RSA598888  Packera breweri Steve Boyd, Timothy S. Ross 1997-3-21 9204 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  RSA434252  Paeonia californica Elbert Benjamine 1929-2-24 69 Los Angeles Laurel Canyon, Hollywood Comment
  UCR108654  Paeonia californica L. C. Wheeler 1967-5-18 9609 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  UCR256164  Paeonia californica R. G. Swinney 2010-3-10 11839 Los Angeles San Gabriel Mountains, FS Road 3N59 (Santa Clara Truck Trail), west of Whitney Canyon, 0.2-0.5 mi. ESE of ride-share parking lot at Hwy 14 and Newhall Ave. 470 Comment
  RSA713803  Panicum capillare Valerie L. Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1361 Los Angeles Intersection of North Beaudry Mtwy and Deer Creek. 518 Comment
  UCR162504  Panicum capillare Anuja Parikh, Nathan Gale 2004-6-2 2026 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
  LA51803  Parietaria hespera var. californica Carl Epling; M. Epling 1925-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  UC1594368  Parietaria hespera var. californica Tim Ross 1992-5-17 6333 Los Angeles center w side San Gabriel Reservoir (canyon along Highway 39); San Gabriel Mountains 463 Comment
  RSA678317  Parietaria hespera var. hespera Valerie L. Soza, Steve D. Boyd 2002-4-10 1398 Los Angeles Del Sur Ridge, east side of Haskell Canyon, approx. 0.5 mile south of peak '2508'. Stables Fire 2001 area. 579 Comment
  SBBG120057  Parietaria hespera var. hespera A. C. Sanders 2003-5-22 26823 Los Angeles abandoned gravel pit on boundary between Irwindale and Azusa, E of Irwindale Ave, S of 210 Fwy (which bisects pit) and N of Santa Fe RR, E of the San Gabriel River channel 171 Comment
  SBBG126064  Parietaria judaica A. C. Sanders with L. Weller, A. Martinez 2009-9-16 37181 Los Angeles Stanford Ave between 111th Place and end at drainage ditch; Watts, Los Angeles 34 Comment
  CLARK-A1528-4790  Paspalum dilatatum John C. Roos 1947-5-11 3605 Los Angeles Los Angeles Comment
  UCR178802  Passiflora caerulea R. G. Swinney 1989-7-18 s.n. Los Angeles San Gabriel Mtns., Glendora, foothills c. 100 yds. north of end of Loraine Ave. on Fallow Motorway (Colby Trail) 335 Comment
  POM368766  Pectocarya anisocarpa Ora M. Clark 1929-3-29 1819 Los Angeles East of Sandberg. Comment
  UCR192057  Pectocarya linearis A. C. Sanders 2008-4-11 34860 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School, NW of VABM 'Pine 970 Comment
  RSA570181  Pectocarya linearis subsp. ferocula Tim Ross, Steve Boyd, L. Arnseth 1991-4-30 5018 Los Angeles San Gabriel Mtns, 0.6 mile ESE of Action, rocky slope (Oligocene Volcanic) on the S edge of Soledad Canyon Wash. 841 Comment
  RSA589185  Pectocarya recurvata T. S. Ross 1991-4-28 4738 Los Angeles Black Butte, Southeasterly finger of the butte. 930 Comment
  JEPS108272  Pectocarya setosa David Gowen 2005-5-11 306 Los Angeles HWY 138 (West Ave. D) west of Lancaster. Sandy soil at the SW corner of the intersection with 210 St. West. Comment
  UCR141027  Pedicularis semibarbata June Latting 1977-10-16 s.n. Los Angeles San Gabriel Mountains, Throop Peak Trail 2774 Comment
  UCR258925  Pellaea andromedifolia R. G. Swinney 2010-5-7 12612 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, 150 m to 0.2 miles west of I-210 Fwy. overpass along Haines Canyon stream channel/ south fork of Big Tujunga Wash 357 Comment
  RSA533994  Pellaea andromedifolia T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5133 Los Angeles San Clemente Island: eastern escarpment, 1400 ft SSE of Jack (not Jack Point), and1350 ft. NW of the mouth of Larkspur Canyon 144 Comment
  RSA787610  Pellaea andromedifolia M. B. Dunkle 1928-4-21 1881 Los Angeles Santa Catalina Island: Renton Mine Hill. 335 Comment
  SD153121  Pellaea mucronata subsp. mucronata Steven A. Junak 1997-4-22 855 Los Angeles San Clemente Island; west side of island, just below rim on north side of Waynuk Canyon, just upstream from large drop-off, across canyon from old fenceline. 365 Comment
  RSA686913  Pellaea mucronata var. mucronata Anonymous s.n. Los Angeles Pasadena, Calif. Comment
  POM296979  Pellaea mucronata var. mucronata Karen Hosterman 1957-4-8 976 Los Angeles Santa Catalina Island; north side of Avalon Comment
  RSA0091733  Penstemon centranthifolius R. G. Swinney 2011-5-12 14666 Los Angeles east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  UC27414  Penstemon centranthifolius J. Burtt Davy May 9 1896-May 24 1896 2566 Los Angeles Llano Verde Antelope Valley, Llano Verde (Antelope Valley, S. California) Comment
  RSA0047919  Penstemon grinnellii R. G. Swinney 2010-9-23 13874 Los Angeles Summit of Middle Hawkins Peak on Hawkins Ridge. 2576 Comment
  NY601191  Penstemon grinnellii var. grinnellii R. M. Straw 1954-6-7 599 Los Angeles Upper San Gabriel River canyon, Crystal Lake, San Gabriel Mountains 1524.0 Comment
  SBBG21167  Penstemon grinnellii var. scrophularioides E. C. Twisselmann 1964-6-10 9621 Los Angeles fork at the head of Castaic Valley 1310 Comment
Read comments
Jun 8 2016
  UCR146447  Penstemon heterophyllus subsp. australis Orlando Mistretta 1993-5-28 843 Los Angeles San Gabriel Mountains, Old Forest Service Road off of Glendora Mt. Road; 1.5 miles west of Cow Canyon Saddle 1524 Comment
  UCR270896  Penstemon heterophyllus subsp. heterophyllus R. G. Swinney 2011-5-24 14830 Los Angeles San Gabriel Mountains, to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1061 Comment
  LA201876  Penstemon heterophyllus var. australis Arthur C. Gibson; 2001-5-15 4995 Los Angeles Comment
  RSA407908  Penstemon heterophyllus var. australis C. Epling 1931-4-18 s.n. Los Angeles Los Alisos Canyon. Comment
  UCR270965  Penstemon spectabilis var. subviscosus R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14320 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg. ) NNW of the trailhead 451 Comment
  SD81809  Pentagramma triangularis Fay A. MacFadden 1931-3-29 Los Angeles Tuna Canyon, Verdugo Hills Comment
  RSA0070820  Pentagramma triangularis George B. Grant s.n. Los Angeles Pasadena. Comment
  LA94215  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-4-10 1852 Los Angeles SANTA MONICA MOUNTAINS, Rustic Canyon, ca 0.25 mi S of Camp Josepho. 304 Comment
  RSA656311  Pentagramma triangularis subsp. triangularis Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 658 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. SSW of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park. 579 Comment
  LA3435  Pentagramma triangularis subsp. triangularis Carl Epling; 1925-1-1 6216 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  OBI26279  Peritoma arborea H. Folkman 1974-5-15 108 Los Angeles Pierce College, Woodland Hills 274 Comment
  OBI34890  Peritoma arborea David J. Keil 1983-8-23 17865 Los Angeles Just W of Leo Carillo State beach along hwy 1 ca. 1 mi E of Ventura County line Comment
  CAS-BOT-BC73753  Peritoma arborea var. arborea Louis C. Wheeler 1931-11-23 367 Los Angeles Floatstone Quarry, 4 mi. SE Redondo Beach 76 Comment
  CAS-BOT-BC73760  Peritoma arborea var. arborea Timothy S. Ross; J. Mark Porter; Gery Allan; Vanessa Ashworth; Darin Banks; Megan Tommerup 1994-3-28 7440 Los Angeles Palos Verdes Peninsula, Rancho Palos Verdes - eroded canyon through southerly coastal bluffs, 15 Comment
  SD90288  Peritoma arborea var. arborea Robert F. Thorne 1970-3-6 39390 Los Angeles Santa Catalina Island; Fisherman's Cove near Marine Biological Laboratory. 20 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
  SEINET187039  Perityle emoryi F. R. Fosberg 1931-4-3 S 4463 Los Angeles Pebble Beach Road Santa Catalina Island. 5 Comment
  SBBG125898  Persicaria hydropiperoides R. G. Swinney 2008-5-30 8895 Los Angeles San Gabriel Cyn at El Encanto, W bank of the river 256 Comment
  LA33810  Persicaria lapathifolia Peter H. Raven; Henry J. Thompson 1959-10-14 14636 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, E-end 220 Comment
  RSA0072144  Petalonyx thurberi Orlando Mistretta, Mike Hammitt 1991-4-16 s.n. Los Angeles Bee Canyon. 582 Comment
  CAS-BOT-BC534059  Phacelia R. G. Swinney 2010-4-30 12448 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, c. 0.7 mi E of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn 537 Comment
  UC2027702  Phacelia Anuja Parikh with Nathan Gale 2010-6-10 3280 Los Angeles WTR, E Liebre Mountains, Sierra Pelona, NW of Vincent and Soledad Pass, 2.3 km NW of State Highway 14. Comment
  UCR67302  Phacelia bicolor Ed LaRue, R. Montijo 1991-4-2 91- 17 Los Angeles Western Mojave Desert, Palmdale: south of Avenue 'M' and east of Sierra Hwy; north of Air Force Plant 793 Comment
  UCR220209  Phacelia campanularia R. G. Swinney 2009-4-24 10469 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, just below Littlerock Creek Dam, in tributary canyon to the east 1000 Comment
  LA209998  Phacelia cicutaria var. hispida A. M. Johnson; 1934-4-20 4423 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  POM8082  Phacelia cicutaria var. hispida P. A. Munz, R. D. Harwood 1920-5-16 3958 Los Angeles Topanga Canyon, Santa Monica Mts. 152 Comment
  RSA0114805  Phacelia cicutaria var. hispida R. G. Swinney 2011-4-26 14477 Los Angeles San Gabriel Mountains; Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir. 378 Comment
  RSA427642  Phacelia cicutaria var. hispida Christopher Davidson 1973-4-6 1860 Los Angeles Tapia Park, Malibu Canyon. 244 Comment
  UC881145  Phacelia cicutaria var. hispida Ezra C. Knopf 210 Los Angeles Santa Catalina Island Comment
  UCR190285  Phacelia cicutaria var. hispida R. G. Swinney 1998-8-1 6622 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
  UCR210534  Phacelia cicutaria var. hispida R. G. Swinney 2008-12-4 9942 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1 mi. north of Foothill Blvd. 201 Comment
  UCR259363  Phacelia cicutaria var. hispida R. G. Swinney 2010-4-20 12289 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA0055020  Phacelia cicutaria var. hispida Jim Shevock 1970-4-16 112 Los Angeles Topanga Canyon. Santa Monica Mountains. 365 Comment
  RSA427351A  Phacelia cicutaria var. hispida Unspecified 1897-06 s.n. Los Angeles San Antonio Canyon. 457 Comment
  RSA0011597  Phacelia cryptantha Orlando Mistretta, Christine Mistretta 2011-6-15 5693 Los Angeles Northern edge of San Gabriel Mountains, 0.6 air miles N of Aliso Cyn Rd,. 1078 Comment
  UCR223752  Phacelia curvipes R. G. Swinney 2009-5-28 10967 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  RSA587050  Phacelia curvipes Orlando Mistretta, Mark A. Elvin 1995-5-10 1689 A Los Angeles San Gabriel Mountains: Bare Mountain Canyon. Head of W. Fork. 1768 Comment
  POM4494  Phacelia davidsonii I. M. Johnston 1917-6-20 1264 Los Angeles Baldy Lookout of USFS. 2134 Comment
  UC284677  Phacelia davidsonii I. M. Johnston 1917-6-20 1264 Los Angeles Baldy Lookout of USFS San Antonio Mountains 2133 Comment
  RSA709547  Phacelia distans A. C. Sanders, Helen Kennedy 2005-4-13 29463 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  SD185238  Phacelia distans A. C. Sanders, Helen Kennedy 2005-4-13 29463 Los Angeles Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 456 Comment
  UCD120415  Phacelia distans Daryl Koutnik; Vickie Dawes 1978-4-6 258 Los Angeles South of Palmdale on State Hwy 138 to Little Rock. 816 Comment
  POM346651  Phacelia fremontii Barry Burnell 1970-4-24 182 Los Angeles 3.2 miles south of Highway 138 on N4 1372 Comment
  UCR275312  Phacelia grandiflora Mia Rochford 2016-4-24 07 Los Angeles Santa Monica Mountains, Westridge-Canyonback Wilderness Park, just off trail on rocky hillside Comment
  UC1046924  Phacelia imbricata L. R. Heckard 1953-6-15 504 Los Angeles road to Mt. Gleason about 4.5 mi w summit 1554 Comment
  RSA233499  Phacelia longipes Robert F. Thorne 1969-6-17 38029 Los Angeles San Gabriel Mountains, Angeles National Forest: E-facing slope along road through chaparral, lower end of San Antonio Canyon. 762 Comment
  UCSB6931  Phacelia longipes Heckard, L.; Bacigalupi, Rimo; Robbins, G. 1953-6-15 Los Angeles Along Forest Service road in Pacoima Canyon, near confluence of its main and its north fork, in canyon bottom; San Gabriel Mountains Comment
  LA39089  Phacelia longipes Mary Reynolds; 1940-8-25 s.n. Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon Comment
  SBBG12265  Phacelia lyonii P. H. Raven 1962-5-8 17602 Los Angeles second cyn S of Seal Cove 30 Comment
  SD86347  Phacelia lyonii R. Mitchel Beauchamp, M. Douglas 1972-3-24 3221 Los Angeles San Clemente, south of Eel Point 24 Comment
  UC881190  Phacelia lyonii Ezra C. Knopf 163 Los Angeles Santa Catalina Island Comment
  SDSU19987  Phacelia minor S. H. Bullock 1968-4-2 25 Los Angeles Claremont, Blanchard Park, Mills Ave. between 1st and 6th streets. 351 Comment
  UC1174721  Phacelia minor George W. Gillett 1954-4-23 367 Los Angeles Johnson's Pasture San Gabriel foothills (near Claremont) Comment
  UCR280571  Phacelia minor R. G. Swinney 2014-5-13 16487 Los Angeles San Gabriel Mountains, Glendora, west fork of Hook Cyn., c. 0.4 km north of Sierra Madre Av., 100-300 m west of entrance to Church of the Open Door, Colby Fire burn of Jan. 2014 354 Comment
  LA211066  Phacelia minor Arthur C. Gibson; 2010-2-22 5269 Los Angeles SANTA MONICA MOUNTAINS, Hollywood Hills, Griffith Park, 200 m S of Travel Town parking lot on the E side of the road. Comment
  RSA74508  Phacelia mohavensis F. W. Peirson 1921-6-15 962 Los Angeles Trail from Pine Flats to Chilao. 1677 Comment
  UCR282594  Phacelia parryi Dan S. Cooper 2017-5-4 517- 31 Los Angeles Santa Monica Mountains, Medea Creek just south of Wagon Rd., adjacent to Paramount Ranch 232 Comment
  SBBG133908  Phacelia parryi R. Burgess, P. Munro 2005-5-18 6859 Los Angeles W side of Westlake Blvd, top of 1st Hill S of Ventura County line, Santa Monica Mtns 426 Comment
  RSA0088568  Phacelia ramosissima R. G. Swinney 2010-5-11 12697 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
  RSA670722  Phacelia tanacetifolia Bonnie C. Templeton, I. W. Clokey 1930-4-8 1029 Los Angeles Mojave Desert, W of Lancaster. 400 Comment
  POM356925  Phalaris minor Anstruther Davidson 1916-6-1 3157 Los Angeles Santa Monica Mountains. Comment
  RSA251425  Phalaris minor R. F. Thorne 1966-4-16 36062 Los Angeles San Clemente Island, below Lemon Tank near dump, S of Nanny, NE side of Island. 183 Comment
  POM356917  Phalaris minor Margaret Northrop 1914-5-26 I Los Angeles In road at end of Homeward Ave. Carline. Comment
  UC1964695  Phlebodium R. E. Riefner Jr. 2016-9-5 16 -360 Los Angeles City of Malibu, Eastern Malibu, N side Pacific Coast Highway at Carbon Mesa Road W of Carbon Canyon Road. Comment
  RSA0101432  Phlox gracilis Gordon H. True 1935-3-27 173 Los Angeles 5 miles SW of Palmdale. 944 Comment
  UCR229490  Pholisma arenarium Jeremiah George 2011-7-12 s.n. Los Angeles South Coast, Palos Verdes Estates, just off Palos Verdes Dr. North Comment
  RSA720234  Pholistoma auritum var. auritum LeRoy Gross 2007-4-21 2641 Los Angeles North side of the range; Engleheard Canyon. Pass or up canyon from Camp Max Straus at the end of Shirly Jean Street 416 Comment
  UCR183578  Pholistoma membranaceum A. C. Sanders, T. B. Salvato, Michael Honer 2007-4-25 33527 Los Angeles Western Transverse Range; Liebre Mtns. Region, south of hwy 138 just east of mouth of Horse Camp Canyon, c. 1 mile ENE of La Liebre Ranch 976 Comment
  UCR13473  Pholistoma racemosum 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
  RSA527623  Pholistoma racemosum Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4407 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  RSA747190  Phoradendron densum R. G. Swinney 2008-6-9 8967 Los Angeles lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  CAS-BOT-BC140660  Phoradendron macrophyllum Timothy S. Ross; Steve Boyd 1990-5-15 2514 Los Angeles Soledad Campground, Tujunga Ranger District, Angeles National Forest; Soledad Canyon, ca 1.5 linear miles E of Agua Dulce Canyon 621 Comment
  RSA128006  Phoradendron macrophyllum Peter H. Raven, Henry J. Thompson 1959-10-31 14716 Los Angeles Santa Monica Mountains: Mandeville Canyon 5.0 miles north of Sunset Boulevard. 274 Comment
  RSA573663  Phoradendron macrophyllum Vanessa Ashworth 1994-8-24 64 Los Angeles RSABG grounds (NW sector near biginning of California Communites section). Comment
  CAS-BOT-BC141308  Phoradendron serotinum subsp. tomentosum Moxley 1915-7-19 389 Los Angeles Near Switzer's Camp, Arroyo Seco Canyon Comment
  RSA82210  Phyla lanceolata I. M. Johnston 1924-8-29 5094 Los Angeles along ditch at Orange Co. line on road from Artesia to Hungtington Beach. Comment
  RSA187766  Phyllospadix torreyi Robert F. Thorne 1966-9-15 36689 Los Angeles Santa Catalina Island, attached to boulders in 10ft of water in Catalina Harbor near base of Ballast Point 3 Comment
  UCR142486  Phyllospadix torreyi F. R. Fosberg 1931-5-16 S- 4877 Los Angeles Channel Islands, Little Harbor, Santa Catalina Island 2 Comment
  POM296460  Phyllospadix torreyi Arthur L. Cohen 1935-8-8 714 Los Angeles Long Beach Comment
  RSA384016  Phyllospadix torreyi Frances Holzwart 1929-3-21 s.n. Los Angeles Partuguese Bend Comment
  RSA682963  Phyllospadix torreyi E. Yale Dawson 1957-5-5 16672 Los Angeles Point Dume Bay, Los Angeles County Comment
  RSA412026  Pickeringia montana Thrask 1911-01 s.n. Los Angeles Near Los Angeles Comment
  UCR216364  Pickeringia montana Dan S. Cooper 2010-5-13 510- 58 A Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Cahuenga Peak, Griffith Park 549 Comment
  RSA127799  Picris echioides H. J. Thompson, P. H. Raven 1959-9-18 14437 Los Angeles Along railroad tracks, Santa Monica Blvd. near Beverly Glen Boulevard, Weat LA. 76 Comment
  RSA592404  Picris echioides Mark Hoefs 1974-5-2 457 Los Angeles Santa Catalina Island: moist march on the SE side of the main road at Little Harbor 3 Comment
  SFV16296  Pinus coulteri J. D. Dilley 1996-7-18 84 Los Angeles San Gabriel Mountains Angeles National Forest, Mill Creek Summit on Angeles Forest Highway. Growing in gravely soil on a ridge top. 1494 Comment
  CAS-BOT-BC78599  Pinus flexilis Robert F. Thorne 1971-8-25 41277 Los Angeles San Gabriel Mts., Angeles National Forest: Summit of Mt. Hawkins 2697 Comment
  RSA86531  Pinus flexilis F. W. Peirson 3997 Los Angeles Blue Ridge 2591 Comment
  UCR126640  Pinus halepensis A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-7 27156 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, at the old ranch headquarters (barn, corrals, etc.) in the middle of the canyon 335 Comment
  CAS-BOT-BC78746  Pinus lambertiana Joseph Andorfer Ewan 1936-8-7 9984 Los Angeles Ski Trail above Big Pines, San Gabriel Mts. 2133 Comment
  RSA384350  Pinus lambertiana F. R. Fosberg 1931-8-13 S 5677 Los Angeles Islip - Hawkins divide 2300 Comment
  RSA384367  Pinus monophylla L. E. Hoffman 1931-10-21 s.n. Los Angeles Dark Canyon, Angeles Forest Comment
  RSA382808  Piperia elongata George Henry Grinnell 1926-7-1 s.n. Los Angeles Seminole Mountain. Comment
  RSA535327  Piptatherum miliaceum Timothy S. Ross 1991-5-20 5358 Los Angeles San Clemente Island, uppermost reaches of the Wilson Cove Canyon drainage; 3300 ft. NW of the 750 ft BM 142 Comment
  RSA653372  Pittosporum undulatum LeRoy Gross, Andrea E. Gutman, Sarah Gutman 2000-9-8 268 Los Angeles Big Tujunga Wash/ Verdugo Mountains: Tujunga Ponds. 335 Comment
  LA94185  Pityrogramma triangularis Lawrence L. Kiefer; 1966-3-12 1670 Los Angeles SANTA MONICA MOUNTAINS, Decker Rd., ca. 1 mi. E of the Ventura Co. line. 304 Comment
  UCR208987  Pityrogramma triangularis var. viscosa F. R. Fosberg 1931-3-20 R- 77 Los Angeles Channel Islands, Hamilton Canyon, Santa Catalina Island 25 Comment
  UCR184045  Plagiobothrys arizonicus A. C. Sanders 2007-4-19 33431 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  UCR193416  Plagiobothrys arizonicus R. G. Swinney 1999-4-5 7064 Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 0.6 mi. south of Ft. Tejon Rd. (Ave. Y) on 213th St. East 1207 Comment
  CATA1950  Plagiobothrys canescens 1904-4-1 6156 Los Angeles Santa Catalina Island 0 Comment
  SEINET3152909  Plagiobothrys nothofulvus G. B. Grant 1904-5-5 995 Los Angeles Altadena Comment
  UC766213  Plagiobothrys nothofulvus R. F. Hoover 1938-4-16 3116 Los Angeles near Bailey's (upper Antelope Valley); Antelope Valley Comment
  POM47628  Plantago bigelovii subsp. californica L. R. Abrams 1901-04 1450 Los Angeles Inglewood Comment
  CATA865  Plantago coronopus Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1674 Los Angeles Santa Catalina Island: Little Harbor 4 Comment
  SBBG98634  Plantago erecta T. Ross, O. Mistretta, M. Hammitt 1991-5-20 5333 Los Angeles between Box and Horse Cyns 484 Comment
  POM4539  Plantago erecta E. L. Brown 1894-05 s.n. Los Angeles Elysian Park Comment
  UCR259140  Plantago indica R. G. Swinney 2010-6-23 13367 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace 335 Comment
  UCR252751  Plantago major R. G. Swinney 2010-9-1 13657 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  UC72695  Platanus racemosa Geo. B. Grant June 1901 1007 Los Angeles Eagle Rock Canyon Comment
  SD38060  Platystemon californicus Edith A. Purer 1931-3-8 1009 Los Angeles Griffith Park. Comment
  UC118453  Platystemon californicus T. S. Brandegee May 1890 Los Angeles Santa Catalina Island Comment
  RSA0119032  Plectritis ciliosa A. C. Sanders, T. B. Salvato 2007-4-24 33496 Los Angeles Tehachapi Mountains: hills above Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant. 1082 Comment
  UC1070065  Pluchea sericea A. D. Gifford 1935-2-7 426 Los Angeles Mouth of Elizabeth Lake Canyon Tejon Quad. 396 Comment
Read comments
Jun 9 2014
  RSA484175  Poa annua M. B. Dunkle 1933-4-14 3304 Los Angeles Long Beach. Comment
  RSA0087098  Poa annua Steven A. Junak 2001-5-4 SCa- 1482 Los Angeles Santa Catalina Island. Along road between Cherry Cove and 4th of July Cove, ca 0.1 mi W of ridge between the two coves. Comment
  RSA679196  Poa bulbosa Michael Denslow, LeRoy Gross 2003-5-12 1144 Los Angeles Along Rincon Red Box Road (2N24.1) near intersection with Valley Forge Canyon. 1250 Comment
  RSA484194  Poa pratensis Gary D. Wallace 1979-5-2 1839 Los Angeles [Arcadia] Along Baldwin Ave, across street from L.A. County Arboretum. Comment
  UCR180357  Poa secunda Scott D. White, Pam Devries 2006-5-9 11395 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
  UCR204448  Poa secunda R. G. Swinney 2005-4-15 8218 Los Angeles San Gabriel Mtns., Glendora, South Hills, junction of Wild Iris Trail and South Hills Trail 351 Comment
  CAS-BOT-BC236190  Poa secunda subsp. secunda Geo. B. Grant 1903-3-1 1014 Los Angeles Garvanza Comment
  CAS-BOT-BC236191  Poa secunda subsp. secunda Geo. B. Grant 1903-3-22 1524 Los Angeles Garvanza Comment
  LA99243  Poa secunda subsp. secunda R. L. Armacost; 1959-5-27 1151 Los Angeles SANTA MONICA MOUNTAINS, Near Riviera Country Club. Comment
  UC821166  Poa secunda subsp. secunda Marcus E. Jones, A. M. 1882-2-27 Los Angeles Pasadena Comment
  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
  UCSB1565  Polygonum aviculare Wedberg, H. 1958-4-14 Los Angeles UCLA campus above vivdrium Comment
  RSA177685  Polygonum aviculare subsp. aviculare Robert F. Thorne, Percy C. Everett 1965-5-10 34458 Los Angeles Black Jack Mt., few hundred feet below summit; Santa Catalina Island 488 Comment
  RSA464423  Polygonum aviculare subsp. aviculare I. M. Johnston 1917-4-11 s.n. Los Angeles Gardena 16 Comment
  CAS-BOT-BC413996  Polygonum aviculare subsp. aviculare John I. Carlson 1914-4-25 s.n. Los Angeles Avalon, Catalina Isl. Comment
  RSA13695  Polygonum lapathifolium Louis C. Wheeler 1933-8-20 2087 Los Angeles Pine Canyon Dam, San Gabriel Canyon, San Gabriel Mountains. 305 Comment
  RSA0091977  Polypodium californicum R. G. Swinney 2011-11-1 15936 Los Angeles confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 634 Comment
  SBBG17994  Polypodium californicum E. R. Blakley 1963-4-7 5539 Los Angeles Avalon Terrace on S side of Avalon Valley 30 Comment
  UC535316  Polypodium californicum Ira W. Clokey, B. Templeton May 1929 4483 Los Angeles Mandeville Canyon; Santa Monica Mts. 300 Comment
  UCSB62333  Polypodium californicum Kiefer, Lawrence 1967-1-7 Los Angeles San Gabriel Mtns., NE of San Fernando, Limekiln Canyon, ca. 1.5mi from Maclay Ave. 762 Comment
  UCSB62498  Polypodium californicum Kiefer, Lawrence 1966-6-12 Los Angeles San Gabriel Mtns., Horse Canyon tributary of the E fork of the San Gabriel River, ca. 0.25mi from mouth 609 Comment
  RSA0088600  Polypogon monspeliensis R. G. Swinney 2010-5-11 12700 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
  UC1109359  Polypogon monspeliensis Peter H. Raven 1962-5-8 17598 Los Angeles in bed of stream near mouth of canyon at s end of Seal Cove San Clemente Island; , s end Seal Cove 9 Comment
  UC50630  Polypogon monspeliensis J. H. Barber 1897-12-5 151 Los Angeles Santa Monica Comment
  UCR131415  Polypogon monspeliensis Alison Lipman 2000-5-7 s.n. Los Angeles South Coastal Plains Region, Harbor Park, Wilmington 20 Comment
  CAS-BOT-BC320578  Polypogon viridis Peter Rubtzoff 1988-10-7 9960 Los Angeles Gold Creek Rd near jctn with Little Tujunga Rd, Little Tujunga Canyon, ca. 2 mi NE of the entrance to Angeles National Forest, or ca. 4 mi NE of jctn of Osborne St & Foothill Blvd., San Gabriel Mountains. 478 Comment
  RSA605822  Populus balsamifera subsp. trichocarpa Louis C. Wheeler 1966-10-27 9105 Los Angeles San Gabriel Mountains: East Fork San Gabriel River, just above Cattle Canyon. Comment
  UCR184095  Populus fremontii A. C. Sanders 2007-4-13 33407 Los Angeles Tehachapi Mtns. Foothills, southeast of National Cement Plant, along creek just below Kern Co. line 1006 Comment
  UCR219946  Populus fremontii R. G. Swinney, Jane Strong 2009-4-21 10411 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mi. north (upstream) of Puente Largo bridge 218 Comment
  UC729764  Populus trichocarpa Carl B. Wolf 1932-5-12 3603 Los Angeles at bridge on Isthmus Road Cottonwood Canyon (Santa Catalina Island); , Cottonwood Canyon 15 Comment
  UCR147798  Potentilla glandulosa subsp. reflexa Valerie Soza, LeRoy Gross 2000-6-13 999 Los Angeles San Gabriel Mountains, Spring along Burkhart Trail (FS trail 10W02), from Buckhorn Flat to Cooper Canyon, c. 0.8 mi along trail from Buckhorn Flat trailhead 1845 Comment
  CAS-BOT-BC334205  Prunus fasciculata R. G. Swinney 2009-5-13 10795 Los Angeles Transverse Range; San Gabriel Mtns. Foothills. Bobs Gap, 3.7 miles S of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  RSA0073272  Prunus fasciculata Orlando Mistretta, Christine Mistretta 2005-4-21 2077 Los Angeles Transverse Ranges; San Gabriel Mountains region: Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station. 1341 Comment
  CAS-BOT-BC154928  Prunus ilicifolia C. B. Wolf; P. C. Everett 1937-10-19 9376 Los Angeles Placerita Canyon, along Placerita Creek, 1 mi. E. of Newhall 396 Comment
  RSA550408  Prunus ilicifolia subsp. ilicifolia Tim S. Ross, Peter Fritsch 1990-6-20 3592 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  RSA720241  Prunus ilicifolia subsp. ilicifolia LeRoy Gross 2007-4-27 2658 Los Angeles Southern front of the range; Sherer Canyon. West branch of this canyon. At some old foundations, power lines running up the ridge north of here. 288 Comment
  CAS-BOT-BC154784  Prunus virginiana var. demissa I. M. Johnston 1917-8-23 1712 Los Angeles San Antonio Mountains. Prairie Fk. of San Gabriel R. 1524 Comment
  UCR124421  Prunus virginiana var. demissa B. C. Templeton 1932-5-31 4898 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  CAS-BOT-BC356562  Pseudognaphalium biolettii Reid Moran 1941-2-19 595 Los Angeles Middle Ranch, San Clemente Island Comment
  CATA1149  Pseudognaphalium biolettii Mark L. Hoefs 1995-5-23 2140 Los Angeles Santa Catalina Island: Upper Middle Canyon 225 Comment
  CATA607  Pseudognaphalium biolettii Mark L. Hoefs 1991-4-8 1054 Los Angeles Santa Catalina Island: Upper Avalon Canyon, below Wrigley Memorial, near drainage channel 143 Comment
  SD262209  Pseudognaphalium biolettii Mitch Provance 2017-6-30 617 32 Los Angeles Catalina Island: Northern edge of Avalon, loop road around Sugar Loaf Pk., upper portion of Chime Tower Rd. (Santa Catalina East 7.5'Q) 145 Comment
  POM50228  Pseudognaphalium biolettii L. W. Nuttall 1920-12-27 s.n. Los Angeles Rock Spring Canyon, Santa Catalina Island Comment
  RSA660881  Pseudognaphalium biolettii Orlando Mistretta 1992-4-5 144 Los Angeles Guds, San Clemente Island. Comment
  CAS-BOT-BC356709  Pseudognaphalium californicum Alice Eastwood 1906-5-27 147 Los Angeles Country adjacent to Los Angeles. Laurel Canyon Comment
  RSA0110534  Pseudognaphalium californicum R. G. Swinney 2010-6-1 13134 Los Angeles San Gabriel Mountains; Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  LA32059  Pseudognaphalium californicum Peter H. Raven; Henry J. Thompson 1959-6-4 14326 Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  RSA0021959  Pseudognaphalium luteoalbum Duncan S. Bell, Caitlin Elam 2013-6-24 5290 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
  RSA0065720  Pseudognaphalium stramineum Justin M. Wood, Katy Vinzant, T. Valentovich 2012-6-6 4782 Los Angeles San Gabriel Mountains: Little Rock Creek: just upstream of Little Rock reservoir. 999 Comment
  CAS-BOT-BC80069  Pseudotsuga macrocarpa G. B. Grant 1900-4-11 s.n. Los Angeles Mt. Lowe 1524 Comment
  RSA384630  Pseudotsuga macrocarpa Donald R. Bissing 1973-6-2 165 Los Angeles Evey Canyon 976 Comment
  RSA650248  Pseudotsuga macrocarpa Peter Gail s.n. Los Angeles Near Mt. Wilson Hotel. Comment
  RSA591069  Psilocarphus brevissimus J. Mark Porter, J. Travis Columbus, Gracie dos Santos 1996-6-5 10919 Los Angeles Ca. 2 mi N Solemint, just off Arline Rd., 2.0 mi from intersection with Sierra Hwy. Around a vernal pool on shelf above Plum Canyon and Arline Rd. Pool not evident from road. 610 Comment
  LA47637  Psilocarphus tenellus var. tenellus Peter H. Raven; Henry J. Thompson 1960-4-13 15075 Los Angeles Santa Monica Mountains, Mt. Hollywood 335 Comment
  RSA690875  Pteridium aquilinum var. pubescens Blanche Trask 1902-08 s.n. Los Angeles Avalon, Catalina Island. Comment
  RSA702696  Pterostegia drymarioides Scott D. White, Pam De Vries 2004-5-18 10405 Los Angeles Eastern Santa Susana Mtns. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  UC147003  Pterostegia drymarioides C. F. Baker 1909-3-20 5260 Los Angeles Claremont Comment
  UCR281293  Purshia glandulosa R. G. Swinney 2014-4-24 16228 Los Angeles San Gabriel Mountains/Mojave Desert, SE of Valyermo, Shoemaker Cyn., S-facing slope on south side of Big Pines Hwy at 2nd horseshoe curve, 0.7 mile ENE of jct. of Big Rock Creek Rd. 1244 Comment
  OBI10034  Purshia tridentata var. glandulosa Donald Alpert 1962-4-14 s.n. Los Angeles LIttle Rock Dam 1128 Comment
  RSA571668  Quercus agrifolia C. Epling 1930-3-8 s.n. Los Angeles Mandeville Canyon. Comment
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Dec 21 2016
  RSA476836  Quercus agrifolia var. agrifolia George B. Grant 1904-06 s.n. Los Angeles Pasadena. Comment
  UCR212762  Quercus agrifolia var. agrifolia Ellen Mackey, Blake Whittington 2006-10-24 1825 Los Angeles Transverse Range; San Gabriel Mountains, San Gabriel River Watershed, San Gabriel R. main stem across from Morris Dam, between San Gabriel Canyon Road (Hwy 39) and Silver Fish Truck Trail 402 Comment
  CDA21845  Quercus berberidifolia J. M. Tucker 1948-9-26 1879 Los Angeles 11.4 miles west of Palmdale, beside road to Elizabeth Lake. 0 Comment
  POM290526  Quercus berberidifolia Lyman Benson 1948-11-9 13547 Los Angeles Hill at west side of mouth of Monrovia Canyon 305 Comment
  RSA569184  Quercus berberidifolia Bonnie C. Templeton 1930-4-2 1433 Los Angeles Mulholland Dr., Northwest of Hollywood. Santa Monica Mountains. 600 Comment
  SBBG52793  Quercus berberidifolia C. Davidson 1975-5-25 2552 Los Angeles ca. 1 mi NE of Old Ridge Route (USFS 8N04) 7N23 to Liebre Mtn 1356 Comment
  SD239768  Quercus berberidifolia Dan S. Cooper 2011-3-28 311 22 Los Angeles Industry Hills, S of Temple Ave., La Puente. 177 Comment
  RSA600777  Quercus chrysolepis Louis C. Wheeler 1962-6-30 8153 Los Angeles San Gabriel Mountains. Pacoima Canyon at Bad Canyon. 976 Comment
  CAS-BOT-BC86897  Quercus douglasii Timothy S. Ross; Steve Boyd 1994-9-21 8315 Los Angeles Sandberg: 150-170 m SSE of town along the Old Ridge Route. Liebre Mountain. 7.5' USGS Quadrangle 1277 Comment
  CAS-BOT-BC86366  Quercus dumosa June Giddings 1924-8-1 s.n. Los Angeles Santa Catalina Island Summit Comment
  CAS-BOT-BC86393  Quercus dumosa Herman Knoche 1919-6-6 959 Los Angeles Middle Ranch, Santa Catalina Island Comment
  UC1135534  Quercus dumosa F. H. Raymond 1930-3-3 53 Los Angeles San Rafael Mountains Pasadena Quad. 335 Comment
  JEPS37347  Quercus durata Theodore Payne 1927-11-5 5 Los Angeles San Gabriel Canyon San Gabriel Mts. 609 Comment
  UCSB28150  Quercus durata Lloyd, Robert 1959-10-2 Los Angeles 11 miles north of Glendora on Glendora Mtn. Rd., San Gabriel Mts. 975 Comment
  CHSC96047  Quercus durata var. gabrielensis LeRoy Gross 2000-10-28 311 Los Angeles Verdugo Mountains: Beaudry fire road northwest of Radio Towers, ridge top above Engleheard Canyon, pass saddle with antennas. 792 Comment
  RSA655360  Quercus durata var. gabrielensis LeRoy Gross 2000-11-4 323 Los Angeles Verdugo Mountains: Trail at end of Morning Glow, past Sunglow Way,east off La Tuna Canyon Road, Sun Valley. 396 Comment
  UC421652  Quercus durata var. gabrielensis John Thomas Howell 1927-10-16 3151 Los Angeles Santa Anita Canyon Trail San Gabriel Mts. Comment
  RSA477306  Quercus john-tuckeri L. E. Hoffman 1931-11-28 s.n. Los Angeles Holcomb Creek, Angeles National Forest. Comment
  UC1135541  Quercus john-tuckeri G. T. Nordstrom 1935-3-24 410 Los Angeles 1.5 mi n Caswell's; Santa Barbara National Forest, Tejon Quad. 944 Comment
  UCD166562  Quercus john-tuckeri Dylan O. Burge 2016-2-23 2091 Los Angeles Agua Dulce Canyon, roadside on Agua Dulce Canyon Road. 655 Comment
  POM11588  Quercus kelloggii P. A. Munz 1921-6-17 4663 Los Angeles San Antonio Mountains, Swartout [Swarthout] Valley. 1829 Comment
  CAS-BOT-BC61503  Quercus lobata A. J. McClatchie 1896-3-4 1135 Los Angeles Field, South Pasadena Comment
  RSA477310  Quercus lobata Geo. L. Moxley 1916-6-16 501 Los Angeles Santa Susana Mountains. Comment
  POM296402  Quercus pacifica Lyman Benson, Joseph Lanjouw 1953-5-2 15105 -c Los Angeles Santa Catalina Island. Hills, north face of Swain Canyon, Whites Landing 244 Comment
  UC1349050  Quercus tomentella Robert F. Thorne and P. Everett 1965-5-10 34503 Los Angeles upper end of Gallagher Canyon Santa Catalina Island, Gallahger Canyon 411 Comment
  CAS-BOT-BC104857  Quercus wislizeni Timothy S. Ross; Steve Boyd 1994-9-21 8305 Los Angeles Liebre Mountains. Liebre Mountain: upper W summit area on broad northerly ridge extending northward toward Tentrock Canyon drainage; ca 340-360 m ENE of Sandberg Triangulation Point (5345-ft) 1623 Comment
  SDSU6995  Quercus wislizeni J. Godsil 1953-3-9 564 Los Angeles Little Dalton canyon, above San Gabriel lakes. 960 Comment
  UC1870297  Quercus wislizeni var. frutescens LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 292 Los Angeles Verdugo Mountains: Hostetter Mountainway. Along roadside in a draw, on north side 914 Comment
  UCSB31742  Quercus wislizeni var. frutescens Miller, Brian; Gause, Gerry 1964-9-6 Los Angeles Crystal Lake, San Gahriel Mountain range 1584 Comment
  POM8739  Rafinesquia californica P. A. Munz, R. D. Harwood 1920-5-15 3961 Los Angeles Santa Monica Mountains 305 Comment
  RSA399381  Ranunculus californicus T. S. Clare 1929-3-28 s.n. Los Angeles Topanga Canyon. Comment
  RSA162761  Ranunculus californicus J. D. Olmsted 1959-4-22 450 Los Angeles Sycamore Canyon along road leading up to reservoir on top of hill west of mouth of canyon, San Gabriel Mountains, Drainage Area to San Dimas Creek. Alt. 1500 ft. 457 Comment
  CAS-BOT-BC378870  Ranunculus californicus var. californicus Henry J. Thompson 1959-4-12 1917 Los Angeles Mulholland Highway 0.25 mi west of Las Virgenes Road 183 Comment
  CAS-BOT-BC378871  Ranunculus californicus var. californicus R. S. Woglum 1932-4-1 s.n. Los Angeles North Hollywood Comment
  JEPS60675  Ranunculus cymbalaria var. saximontanus Frank W. Peirson 1919-6-15 486 Los Angeles Rock Creek San Gabriel Mountains 1295 Comment
  SEINET3161113  Ranunculus hebecarpus G. B. Grant 1110 Los Angeles Pasadena Comment
  RSA399999  Ranunculus hebecarpus E. Crow 1928-4-11 238 Los Angeles Hills southwest of Pomona. Comment
  UCR142768  Raphanus raphanistrum L. C. Wheeler 1967-5-13 9503 Los Angeles San Gabriel Mtns, mesa between Little Dalton and Englewild Canyons 396 Comment
  RSA0088406  Raphanus sativus R. G. Swinney 2010-2-27 11766 Los Angeles Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash. 331 Comment
  SD113142  Raphanus sativus Darley F. Howe 1915-4-1 41 Los Angeles Claremont Comment
  RSA399207  Reseda alba Freda Detmers 1929-4-19 s.n. Los Angeles Descanso Canon. Catalina Island. Comment
  RSA640328  Rhamnus californica Louis C. Wheeler 1931-6-19 s.n. Los Angeles Base of San Gabriel Mountains: La Verne. . Comment
  RSA390187  Rhamnus californica subsp. californica Elbert Benjamine 1929-5-26 198 Los Angeles San Dimas Canyon, San Gabriel Mountains. Comment
  UCR273287  Rhamnus californica subsp. californica R. G. Swinney 2011-5-19 14771 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned 'Millie's Apple Orchard 912 Comment
  POM296035  Rhamnus crocea Unspecified 1945-3-30 11652 Los Angeles Canyon at Padua Hills above Claremont. Pacific Slope drainage area, North slope. 549 Comment
  RSA1645  Rhamnus crocea Ralph Hoffmann 1931-5-2 327 Los Angeles Bouquet Canyon. Comment
  RSA0082829  Rhamnus ilicifolia R. G. Swinney 2010-5-19 12780 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
  RSA0094088  Rhamnus ilicifolia Richard G. Swinney 2011-11-3 15997 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre. 549 Comment
  RSA165265  Rhamnus ilicifolia Mark Parratt 1963-4-15 514 Los Angeles Diamond Bar Ranch area. Comment
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Aug 20 2014
  RSA317211  Rhamnus ilicifolia Michael C. Long, J. E. Long 1974-3-24 s.n. Los Angeles Devil's Punchbowl Co. Park, Loop trail. 1402 Comment
  RSA624981  Rhamnus ilicifolia Louis C. Wheeler 1963-6-25 8264 Los Angeles San Gabriel Mountains: Pacoima Canyon (Ore Hill Prospect) 1/4 mile east of Dorothy Canyon. 915 Comment
  UC56268  Rhamnus ilicifolia Ernest Braunton Jul 1902 540 Los Angeles Griffith Park Comment
  UCR270650  Rhamnus ilicifolia R. G. Swinney 2011-11-1 15960 Los Angeles San Gabriel Mountains, confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 671 Comment
  UCSB4042  Rhamnus ilicifolia Kraebel, C. 1932-6-4 Los Angeles San Dimas Canyon. SRE plot Comment
  RSA390858  Rhamnus pirifolia Freda Detmers 1929-4-14 s.n. Los Angeles Descanso Canyon, Santa Catalina Island. Comment
  RSA390142  Rhamnus tomentella subsp. cuspidata M. B. Dunkle 1933-6-17 3591 Los Angeles San Antonio River Canyon. 915 Comment
  RSA596988  Rhamnus tomentella subsp. cuspidata Steve Boyd, Lauren Raz 1996-9-24 8962 Los Angeles Liebre Mountains, western end of Liebre Mountain just north of Forest Service Road 7N23 on broadly rounded summit area at divide between Cold Canyon and Tentrock Canyon. 1616 Comment
  CAS-BOT-BC199073  Rhus aromatica Le Roy Abrams; E. A. McGregor 1908-6-19 320 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  SBBG71098  Rhus aromatica R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk Comment
  CAS-BOT-BC167915  Rhus integrifolia J. Ewan 1931-10-24 5292 Los Angeles East Fork Dume Canyon, Santa Monica Mts. Comment
  LA91501  Rhus integrifolia Bruce Douglas Clayton; Greg Shaw 1972-4-20 101 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, Mountain Park Research Campus, along trail on SW-slope of BDC peak. 563 Comment
  RSA213398  Rhus integrifolia Reid V. Moran 1941-2-18 582 Los Angeles San Clemente Island, Middle Ranch 350 Comment
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Jun 5 2014
  RSA386481  Rhus integrifolia M. B. Dunkle 1939-4-3 7239 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  RSA610780  Rhus integrifolia L. C. Wheeler 1933-6-17 1862 Los Angeles Claremont 365 Comment
  RSA0031690  Rhus laurina M. J. Schoenfeld 1967-8-21 8 Los Angeles Glendale Foothills. 213 Comment
  RSA0062682  Rhus laurina Matt Bogdanoff 1981-5-31 43 Los Angeles Big Dalton Canyon Road, 0.7 mi E of junction with Glendora Mountain Road, N of Glendora. 365 Comment
  CATA3515  Rhus ovata Julia Parish 2017-12-31 048 Los Angeles Santa Catalina Island: Pacific side; Grand Canyon watershed; ridge south of Upper Coffeepot Road before it turns down to Coffeepot Canyon 404 Comment
  PASA2370  Rhus ovata A. Carter 1929-1-1 Los Angeles Mouth of Santa Anita Canyon 327-609 Comment
  UCR271819  Rhus ovata R. G. Swinney 2011-3-15 14083 Los Angeles San Gabriel Mountains, Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 235 Comment
  UC1595388  Rhus trilobata Tim Ross 1991-3-10 4211 Los Angeles e side of Rancho Santa Ana (Bernard Field Station); Claremont 391 Comment
  RSA589236  Rhus trilobata var. quinata T. S. Ross, Steve D. Boyd, Peter Fritsch 1990-6-8 2910 Los Angeles San Gabriel Mountains: 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). 1249 Comment
  CAS-BOT-BC92282  Ribes amarum Alice Eastwood 1919-6-20 9040 Los Angeles Mount Wilson. Comment
  RSA612176  Ribes aureum var. gracillimum Ma. Elena Siqueiros 1997-3-8 4346 Los Angeles NW corner of Mills Ave, and Foothill Blvd, Claremont, West of main road on foothill entrance, jct of two fire roads, south of old infirmary. 412 Comment
  SBBG27522  Ribes californicum I. W. Clokey, B. Templeton -Mar-1929 4472 Los Angeles Mandeville Cyn 91 Comment
  CAS-BOT-BC93091  Ribes californicum var. hesperium Louis C. Wheeler 1932-1-16 438 Los Angeles Liveoak Wash. 405 Comment
  LA205459  Ribes californicum var. hesperium Louis C. Wheeler; 1932-1-16 438 Los Angeles Liveoak Wash, near La Verne 405 Comment
  RSA277989  Ribes californicum var. hesperium J. E. Stumbo 1963-12-10 s.n. Los Angeles [Unspecified] 366 Comment
  SD90239  Ribes californicum var. hesperium Benjamin C. Stone 1952-3-21 4 Los Angeles Little Dalton Canyon above San Dimas; San Gabriel Mountains. 410 Comment
  LA205420  Ribes cereum W. R. Ernst; June 1947 sn Los Angeles Lily Springs- Mt. Hawkins Comment
  LA50760  Ribes indecorum Henry J. Thompson; 1959-5-31 2056 Los Angeles Santa Monica Mountains, just E of junction of Latigo Canyon Rd with Mulholland Hwy 518 Comment
  CAS-BOT-BC173429  Ribes malvaceum Roxana S. Ferris 1941-3-10 10324 Los Angeles West of U.S. Highway #99 near Pico Canyon road, Santa Susana Mountains 472 Comment
  SFV15494  Ribes malvaceum var. malvaceum E. J. Spencer 1992-2-14 9 Los Angeles West side of The Old Road, mile post 1.75. 457 Comment
  RSA0110809  Ribes malvaceum var. viridifolium Richard G. Swinney 2011-4-28 14538 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
  LA211932  Ribes nevadense Orlando Mistretta; 1992-5-15 s.n. Los Angeles SAN GABRIEL MOUNTAINS, Vicinity of Big Pines; head of Swarthout Valley; Mountain High Ski area. Comment
  LA50718  Ribes speciosum C. & M. Epling; 1925-5-18 sn Los Angeles 131 Comment
  SD37417  Ribes speciosum J. McCulloch 1931-3-1 Los Angeles El Segundo Comment
  SEINET3151844  Ribes speciosum G. B. Grant 1127 Los Angeles Pasadena Comment
  UCR212801  Ribes speciosum Ellen Mackey, Alexia Mackey 2006-6-29 NFWF- 1750 Los Angeles Peninsular Ranges; Chino-Puente Hills, San Gabriel River Watershed, Turnbull Canyon, Turnbull Canyon Road 348 Comment
  SEINET13942816 Image available Ribes speciosum Peter H. Raven 1959-1 13783 Los Angeles Santa Monica Mountains, California. Lat N 34 deg. , Long 118 deg. to 119 deg. W. coastal scrub in Beverly Glen Canyon, 2.6 miles north of Sunset Boulevard. Elevation 700 feet. 213 Comment
  POM158000  Ribes viburnifolium M. B. Dunkle 1928-2-19 1707 Los Angeles Santa Catalina Island, Hay Press 427 Comment
  SBBG106901  Ribes viburnifolium M. L. Hoefs, R. F. Thorne 1996-4-6 2644 Los Angeles Renton Mine Rd 243 Comment
  RSA233592  Ricinus communis R. F. Thorne 1970-3-5 39353 Los Angeles Santa Catalina Island. NE slope of Blackjack Mt. at upper end of Swain's Canyon 396 Comment
  RSA480744  Ricinus communis Edwin Kline 1924-11-29 s.n Los Angeles Los Angeles River Bed. Comment
  RSA648997  Ricinus communis Scott Lowe 1991-5-12 25 Los Angeles San Gabriel River channel, about 50 m. north of the San Gabriel River Parkway bridge, city of Pico Rivera. Comment
  UCR225777  Rigiopappus leptocladus Dave Silverman, Cindy Hopkins 2007-4-27 6772 Los Angeles Tejon Ranch, north of Oso Canyon, 2.8 km due west of CA Aqueduct, 1.3 km south of Kern Co. line, 1.4 km south of National Cement Plant 1062 Comment
  CAS-BOT-BC340990  Robinia pseudoacacia Timothy S. Ross; Steve Boyd; Peter W. Fritsch 1990-6-11 3332 Los Angeles San Gabriel Mountains. Big Rock Creek: just above the confluence of Holcomb Canyon Creek, between Big Rock Creek Road and the mouth of Holcomb Canyon 1280 Comment
  CAS-BOT-BC340991  Robinia pseudoacacia Timothy S. Ross; J. Mark Porter 1995-5-4 8506 Los Angeles Liebre Mountains. Texas Canyon at the confluence of Mystic Canyon: ca 3.05 road miles NE of Bouquet Canyon Road 609 Comment
  JEPS45668  Rosa californica Frank W. Peirson 1918-7-9 84 Los Angeles San Antonio Canyon San Gabriel Mts. 1341 Comment
  POM306718  Rosa californica Henry J. Ramsey, Henry J. Ramsey 1937-7-18 1664 Los Angeles Soldier's Creek, San Gabriel Mountains Comment
  CAS-BOT-BC146958  Rosa woodsii var. gratissima H. M. Hall 1900-6-3 1513 Los Angeles West of Swarthout Canyon, 7 mi. E. of Rock Creek 1889 Comment
  CAS-BOT-BC158819  Rubus ursinus Timothy S. Ross; Steve Boyd; Peter Fritsch 1990-6-8 2973 Los Angeles Margin of Big Tujunga Creek and toes of the slopes immediately west (ca 1.6 air-miles ENE of Barley Flats) - Upper Big Tujunga Canyon, San Gabriel Mountains 1231 Comment
  RSA572088  Rubus ursinus Reid V. Moran 1941-3-7 685 Los Angeles Middle Ranch, Santa Catalina Island. 200 Comment
  UCR205084  Rubus ursinus R. G. Swinney 2008-4-10 8631 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lodi Canyon, west of San Dimas Reservoir 463 Comment
  CATA1302  Rumex conglomeratus Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2392 Los Angeles Santa Catalina Island: River bed just below upper Cape Canyon Reservoir 304 Comment
  RSA710509  Rumex crispus Valerie L. Soza, LeRoy Gross 2001-5-9 1189 Los Angeles Southern San Rafael Hills: South of Scholl Canyon, Sleepy Hollow Dr to Valle Vista fire road. 274 Comment
  UCR149904  Rumex salicifolius R. G. Swinney 1999-6-18 7343 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  UCR187185  Rumex salicifolius A. C. Sanders 2006-5-16 32327 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon just above the National Cement Plant Rd., 0-0.25 mi. upstream, 1.5 miles NNE of Quail Lake 991 Comment
  UC1584060  Rumex salicifolius var. salicifolius Tim Ross, Orlando Mistretta, and Peter Fritsch 1990-7-10 4042 Los Angeles ne of Tie Summit Station (e of Angeles Forest Hwy, Tujunga Ranger District, w drainage that meets Tie Canyon); San Gabriel Mountains, Angeles National Forest 1463 Comment
  UC866252  Rupertia physodes Marcus E. Jones, A. M. 1882-5-2 2691 Los Angeles Pasadena Comment
  RSA478896  Salicornia virginica Robert Gustafson 1980-8-8 1896 Los Angeles Ballona Wetlands, Area 2. Comment
  CAS-BOT-BC108067  Salix exigua Timothy S. Ross; Victor W. Steinmann 1995-5-8 8548 Los Angeles First unnamed canyon E of Spunky Canyon, N side of Bouquet Reservoir. Green Valley 7.5' USGS quadrangle - Liebre Mountains 920 Comment
  LA208608  Salix exigua Carl W. Sharsmith; 1932-1-17 13 Los Angeles San Gabriel Mountains, at the bottom of Lower San Gabriel Canyon, ca 9.5 km above Azusa 300.0 Comment
  RSA618588  Salix exigua Louis C. Wheeler 1973-4-20 s.n. Los Angeles Western Mojave Desert: Antelope Valley. Vicinity of Una Lake, San Andreas Rift Zone. 854 Comment
  UCR178776  Salix exigua R. G. Swinney 1989-7-8 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon, 1.7 mi. NE of Glendora Mountain Road on Big Dalton Canyon Road, near dam caretaker's house 488 Comment
  UCR192176  Salix exigua A. C. Sanders 2008-4-17 34927 Los Angeles Transverse Range, hills c. 2 miles SW of Neenach School, c. 1 mi. west of Pine Canyon 1037 Comment
  UCR206158  Salix exigua R. G. Swinney 2008-5-30 8892 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  UCR216870  Salix exigua R. G. Swinney 2009-3-13 10106 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 0.8 mi. north of Foothill Blvd. on east side of main river channel 192 Comment
  UCR209512  Salix gooddingii Dan S. Cooper 2009-1 209- 20 Los Angeles Los Angeles Basin, West Athens area, 'Anderson Wash', relict habitat along RR right-of-way south of 105 Fwy and west of Normandie Blvd., South Los Angeles 53 Comment
  UCR214635  Salix gooddingii A. C. Sanders, Dan S. Cooper 2010-3-12 37383 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  IRVC27299  Salix laevigata A. C. Sanders, Mark Elvin 2003-8-7 27159 Los Angeles Newhall Ranch, Santa Clara River bottom east of Del Valle NE end of Santa Susana Mtns. 282 Comment
  LA208731  Salix laevigata Carl Hedin; Joseph Ewan 1932-5-19 7666 Los Angeles Ballona Creek at Ballona Marshes [Area 4] Comment
  LA208745  Salix laevigata Carl Hedin; Joseph Ewan 1932-4-30 7645 Los Angeles Along stream from Baldwin Hills near Higuera Road, Culver City [Area 2] Comment
  LA34159  Salix laevigata Peter H. Raven; Henry J. Thompson 1959-9-6 14396 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek, near mouth. 12 Comment
  RSA584116  Salix laevigata Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-11 2991 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon. 1255 Comment
  UC482207  Salix laevigata Mrs. H. P. Bracelin and F. R. Fosberg 1931-10-11 568 Los Angeles Lower Topanga Canyon, west of Ocean Beach Santa Monica Mountains 15 Comment
  LA208833  Salix lasiandra J. Ewan; 1931-2-2 4017 Los Angeles Rio Hondo River near Downey Comment
  LA208790  Salix lasiolepis Carl Hedin; Joseph Ewan 1932-5-10 7651 Los Angeles Verdugo Canyon at Colina Drive [Area 3] Comment
  LA208802  Salix lasiolepis Carl Hedin; Joseph Ewan 1932-5-19 7662 Los Angeles Ballona Creek at Ballona Marshes [Area 4] Comment
  RSA253148  Salix lasiolepis Gary D. Wallace, M. Haefs 1975-3-22 1411 Los Angeles Santa Catalina Island. Haypress Reservoir. 381 Comment
  RSA599191  Salix lasiolepis Scott D. White 1997-3-12 4741 Los Angeles Zuma Beach; mouth of Zuma Creek, E end of the County Beach. 8 Comment
  RSA628806  Salix lasiolepis Scott D. White, David E. Bramlet 1998-6-29 6833 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness; 4-mile closed section of Hwy. 39 from ca. 1.6 miles W of jctn. Crystal Lake access road to jct. Hwy 2. [Correct TRS should be 3N, 9W] 1707 Comment
  RSA6433  Salix lasiolepis Carl. W. Sharsmith 1932-1-17 10 Los Angeles Lower San Gabriel Canyon, about 9.5 km. above Azusa. 300 Comment
  SBBG13710  Salix lasiolepis P. H. Raven 1962-5-20 17801 Los Angeles Bullrush Cyn, about opposite ranch in Middle Cyn 213 Comment
  UC846650  Salix lasiolepis I. W. Clokey and E. G. Anderson 1931-3-11 5343 Los Angeles San Gabriel Canyon 1300 Comment
  UCR204023  Salix lasiolepis R. G. Swinney 2001-9-15 8147 Los Angeles San Gabriel Mountains, Windy Spring, c. 0.3 mi northwest of Little Jimmy Campground on Pacific Crest Trail 2256 Comment
  UC506412  Salix lasiolepis Carl Hedin and Joseph Ewan 1933-6-29 7668 Los Angeles Area 4; Tree 6 Comment
  CAS-BOT-BC128509  Salix lasiolepis var. lasiolepis Henry J. Thompson 1959-2-20 1845 Los Angeles In small stream in sandstone outcrop just east of peak, Saddle Peak - Santa Monica Mountains 670 Comment
  POM219212  Salix lucida subsp. lasiandra Louis C. Wheeler 1931-2-15 s.n. Los Angeles Puddingstone Dam, San Jose Hills, S San Dimas. 259 Comment
  CATA3291  Salsola Schylar Gholson, Margie Pfeffer, Julia Parish 2016-4-1 1 Los Angeles Santa Catalina Island: Junction of Lands End, West End, and Silver Peak roads 0 Comment
  CDA20312  Salsola australis M. O'Brien 2004-11-17 s.n. Los Angeles Southern California Coast; Malibu Creek State Park. Sheet 1 of 2. 0 Comment
  SD230207  Salsola paulsenii Louis C. Wheeler 1973-6-8 Los Angeles Los Angeles: SE of Alameda St. & San Diego (405) Fwy, between Sepulveda Blvd. & 233rd St. (L.A. Harbor Dept., Classification Yard, E of Dominguez Flood Control Channel) Comment
  RSA657024  Salsola tragus Joseph M. Keefe 2001-1-19 30901 Los Angeles Verdugo Mountains: On north side of Upperton Avenue (north across street from 1871 Uppperton Avenue) at intersection with Upperton Place; pass in ridge between Eagle Rock Valley and York Valley (Highland Park). 262 Comment
  RSA0094994  Saltugilia splendens subsp. grantii Orlando Mistretta 1992-6-12 549 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  UC23847  Saltugilia splendens subsp. grantii J. H. Barber 1897-6-28 203 Los Angeles Aliso Canyon Comment
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Mar 5 2009
  RSA424323  Salvia apiana William Emboden 1970-6-12 39 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  RSA649072  Salvia apiana Brian McColgan 1988-5-10 11 Los Angeles Evey Cyn., 1 mile N of Padua on Mt. Baldy Rd 915 Comment
  UCR140964  Salvia apiana June Latting 1973-6-10 s.n. Los Angeles San Gabriel Mountains, Sycamore Flat campground, Big Rock Creek 1311 Comment
  UCR145180  Salvia apiana June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains foothills/Mojave Desert, Bob's Gap and Valyermo Road 1250 Comment
  SD38573  Salvia apiana Florence Post 1931-4-21 1979 Los Angeles Foothill Blvd. near Mt Wilson toll gate. Comment
  RSA569936  Salvia columbariae Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4844 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  UCR231786  Salvia columbariae Darren T. Hasegawa 2007-4-8 s.n. Los Angeles San Gabriel Mtns, Eaton Canyon Park, Angeles National Forest, c. 2 mi. north of I-210 366 Comment
  RSA401470  Salvia columbariae M. Bisbee 1917-4-20 s.n. Los Angeles Hills, north side of Eagle Rock Valley. Comment
  CAS-BOT-BC214318  Salvia dorrii var. pilosa B. Ertter; J. Strachan 1980-5-18 3443 Los Angeles Forest Road 4N11 along Big Rock Creek just south of junction with Big Pines Highway (Forest Road 4N06) 1/2 mile north of Angeles NF, ca 1 1/2 miles southeast of Valyermo, south side San Gabriel Mountains 1219 Comment
  RSA82992  Salvia dorrii var. pilosa F. W. Peirson 1919-6-15 392 Los Angeles Rock Creek, north slope of San Gabriel Mountains. 1296 Comment
  SD121493  Salvia dorrii var. pilosa Barbara Ertter, J. Strachan 1979-6-29 3007 Los Angeles North edge of Angels National Forest ca. 9.0 miles eastsoutheast of Pearblossom, 1.7 miles north of Mile High on County Highway N4. 1463 Comment
  RSA533421  Salvia leucophylla Tim S. Ross 1991-4-21 4530 Los Angeles Whittier Hills (Puente Hills, pro parte): Middle Turnbull Canyon, vicinity of old water tank. 229 Comment
  RSA3509  Salvia mellifera Carl B. Wolf 1932-5-9 3452 Los Angeles Pebbly Beach, Santa Catalina Island. 30 Comment
  RSA547801  Salvia mellifera Tim S. Ross, Peter Fritsch 1990-6-20 3601 Los Angeles San Gabriel Mountains: mouth of Burro Canyon near the confluence of the E and W Forks of the San Gabriel River; ranging from stream bottom to slopes. 445 Comment
  SD85073  Salvia mellifera E. R. Blakley 1963-4-9 5571 Los Angeles Santa Catalina Island; northeast side of Black Jack Mountain. 395 Comment
  RSA292507  Salvia spathacea James Henrickson, E. Parker 1973-6-8 10640 Los Angeles Santa Monica Mts., 1 mile NW of Topanga along Monte Vista Dr. 244 Comment
  UCR261112  Salvia spathacea Joseph Cahill, Erik Jordan 2013-2-24 213- 1 Los Angeles Santa Monica Mountains, Backbone Trail about 1.2 miles SW from Malibu Canyon Rd., on trailside 524 Comment
  RSA0035110  Sambucus caerulea S. Karlin 1960-05 s.n. Los Angeles Encino, San Fernando Valley. Comment
  POM198004  Sambucus mexicana Joseph A. Ewan 1932-4-22 7179 Los Angeles along Los Angeles River near Radford Drive San Fernando Valley. Comment
  UC535616  Sambucus mexicana Ira W. Clokey, B. Templeton May 1929 4558 Los Angeles Mandeville Canyon Santa Monica Mountains 200 Comment
  CAS-BOT-BC238745  Sambucus nigra subsp. caerulea J. Ewan 1931-9-7 5155 Los Angeles Sawpit Canyon, San Bernardino Mts. 1402 Comment
  CAS-BOT-BC238752  Sambucus nigra subsp. caerulea Alice Eastwood 1915-8-25 s.n. Los Angeles Duarte Comment
  RSA0080725  Sambucus nigra subsp. caerulea R. G. Swinney 2010-9-9 13753 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  SBBG45086  Sambucus nigra subsp. caerulea C. B. Wolf 1932-7-6 Los Angeles San Fernando Valley, Van Nuys Blvd 0.5 mi E of Pacoima Post Office 335 Comment
  SBBG79378  Sambucus nigra subsp. caerulea F. R. Fosberg 1931-3-18 4289 Los Angeles Hamilton Cyn 10 Comment
  LA26159  Sambucus nigra subsp. canadensis Judith Webb; 1955-4-2 sn Los Angeles SANTA MONICA MOUNTAINS, canyon below Mt. St. Mary's College. Comment
  LA91459  Sambucus nigra subsp. canadensis Bruce Douglas Clayton; Greg Clayton 1972-4-4 59 Los Angeles SANTA MONICA MOUNTAINS, Nettleburn Creek Canyon, Mountain Park Research Campus 554 Comment
  RSA3745  Sanicula arguta C. B. Wolf 1932-5-11 3571 Los Angeles Santa Catalina Island. Point west side of Fourth O July Cove. 30 Comment
  SD86336  Sanicula arguta R. Mitchel Beauchamp, M. Douglas 1972-3-24 3229 Los Angeles San Clemente Island, slope south of Eel Point 24 Comment
  UC1562957  Sanicula arguta Steve Myers 1990-4-3 1 Los Angeles Powder Canyon in the city of La Habra Heights Powder Canyon; La Habra Heights, Powder Canyon 243 Comment
  UC1400389  Sanicula arguta Robert F. Thorne 1966-4-16 36066 Los Angeles below Lemon Tank (near dump, s of Nanny, ne side of San Clemente Island); San Clemente Island 182 Comment
  POM177953  Sanicula crassicaulis Joseph A. Ewan 1931-3-21 4064 Los Angeles Colony on moist slope under oaks at old ranch site, Los Flores Canyon. 457 Comment
  UC129428  Sarcostemma cynanchoides subsp. hartwegii unknown July, 1904 972 Los Angeles Covina Comment
  RSA0105040  Scrophularia californica R. G. Swinney 2011-4-26 14470 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir. 378 Comment
  LA99458  Scrophularia californica subsp. californica Hisao P. Arai; 1957-5-7 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). 160 Comment
  UCR274096  Scrophularia villosa Steven A. Junak 1999-4-24 SCa- 866 Los Angeles California Islands, Santa Catalina Island, below Empire Landing Road 415 Comment
  UCSB10513  Scutellaria mexicana Wedberg, H. 1957-4-19 Los Angeles 0.5 mi E Pearblosson Comment
  RSA445370  Scutellaria tuberosa Geo. L. Moxley 1917-4-15 538 Los Angeles Santa Monica. Comment
  RSA683755  Selaginella bigelovii Howard de Forest 1929-2-9 s.n. Los Angeles Griffith Park. Comment
  JEPS37251  Senecio californicus F. W. Peirson 1919-3-30 347 Los Angeles Big Tujunga Canyon San Gabriel Mts. 411 Comment
  RSA472942  Senecio flaccidus var. douglasii B. C. Templeton 1932-8-26 5116 Los Angeles Big Rock Creek; San Gabriel Mountains 1905 Comment
  SDSU481  Senecio flaccidus var. douglasii F. Young Berg 1933-9-30 1610 Los Angeles Beverly Blvd. near Pacific Palisades 75 Comment
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May 15 2014
  UCR126709  Senecio flaccidus var. douglasii A. C. Sanders, Mark Elvin 2003-8-7 27151 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Long [Larres] Canyon, a tributary of the Santa Clara River NE of Potrero Canyon 351 Comment
  UCR200125  Senecio vulgaris Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 768 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
  RSA402663  Sesuvium verrucosum Georgie Cook, Thelma Ashley 1926-08 s.n. Los Angeles Gardena. Comment
  SEINET10589628  Setaria Joseph A. Ewan 1932-7-11 Ewan 7470 Los Angeles Hard adobe of neglected lawn Ingraham St. L.A., Ca. Comment
  RSA611523  Setaria parviflora L. C. Wheeler 1968-10-5 s.n. Los Angeles San Gabriel Mountains: Mouth of Roberts Canyon, San Gabriel Canyon, on west side of Roberts Canyon. 251 Comment
  UC1930177  Setaria parviflora Michael Denslow 2003-11-8 1901 Los Angeles Coastal Plains & Basins; San Bernardino Basin region: Northeast corner of Cambridge and Arrow Hwy. in Claremont Comment
  UCR48941  Setaria parviflora A. C. Sanders 1987-7-22 7161 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  RSA595867  Sidalcea malviflora subsp. sparsifolia Tim S. Ross, Victor W. Steinmann 1995-5-8 8535 Los Angeles Bouquet Canyon: along Bouquet Canyon Road near Bouquet Campground No. 3. 735 Comment
  RSA655935  Silene gallica James Henrickson 2000-4-15 20680 Los Angeles Ca. 1 mi SE of Newhall in Whitney Canyon SE of junction of San Fernando Road and State Highway 14; ca. 1/2 mile E of Hwy 14. 488 Comment
  UCR140433  Silene gallica June Latting 1958-3-30 235 Los Angeles San Gabriel Mtns., end of Live Oak Canyon Road, 3 miles north of Claremont 610 Comment
  POM352  Silene gallica Crawford, H. D. Hiatt 1916-3-28 s.n. Los Angeles Santa Monica Mts. Foothills near city Comment
  RSA533891  Silene gallica Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5163 Los Angeles San Clemente Island: 950 ft WNW of Stone at the begining of the Stone Canyon drainage. 441 Comment
  CLARK-A1528-2465  Silene laciniata John C. Roos 1947-5-17 3635 Los Angeles Placerita Canyon Comment
  RSA763526  Silene laciniata Doris Bowers 1957-6-22 168 Los Angeles Arroyo Seca, Pasadena 457 Comment
  RSA0021708  Silene laciniata subsp. major Duncan S. Bell, Caitlin Elam 2013-6-24 5257 Los Angeles San Gabriel Mountains region: Sheep Mountain Wilderness; East Fork of the San Gabriel River, between Allison Gulch and Rattlesnake Canyon. 740 Comment
  UCR256221  Silene laciniata subsp. major R. G. Swinney 2010-6-4 13036 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  POM307845  Silene laciniata subsp. major Henry J. Ramsey, Henry J. Ramsey 1938-6-2 2729 Los Angeles Eaton Canyon Park, Altadena. Comment
  RSA15593  Silene laciniata subsp. major Kathy Molina, Kimball Garrett 1992-5-9 013 Los Angeles Verdugo Mountains, NE slope along Whiting Woods fire trail. 550 Comment
  CAS-BOT-BC389569  Silene parishii Wesley Griesel 1962-9-14 740 Los Angeles Near Buckhorn Camp, San Gabriel Mts. 2072 Comment
  SFV16953  Silene parishii J. N. Hogue, P. Wilson 1997-6-27 88 .1 Los Angeles San Gabriel Mountains Highway 2, mile marker 59.25. 2012 Comment
  UCR192885  Silene verecunda R. G. Swinney 1998-7-8 6320 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat 2280 Comment
  CLARK-A1528-5135  Silene verecunda subsp. platyota John C. Roos 1937-5-31 760 Los Angeles San Gabriel Mountains Comment
  RSA523171  Silybum marianum Timothy S. Ross 1991-2-23 4116 Los Angeles Whittier Hills (Puente Hills), upper Turnbull Canyon, 1/4 air mile W of Turnbull Canyon road x Skyline Drive in heavily disturbed drainage area. 252 Comment
  CAS-BOT-BC74960  Sinapis arvensis John I. Carlson 1918-5-5 s.n. Los Angeles Santa Catalina Island. Avalon. Comment
  RSA593448  Sisymbrium altissimum Steve Boyd 1996-4-24 8649 Los Angeles Liebre Mountains, northwestern base of the range at the extreme southeastern end of Peace Valley along Angeles National Forest Road 8N01 6.7 road miles from jtn with 8N05 and ca 1.0 road mile from West Branch California Aqueduct. 1098 Comment
  SBBG72156  Sisymbrium altissimum M. N. Ackley -May-1926 150 Los Angeles Harold 792 Comment
  UCR189714  Sisymbrium altissimum R. G. Swinney 1998-7-10 6402 Los Angeles San Gabriel Mtns., SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2 2250 Comment
  RSA431709  Sisymbrium altissimum B. C. Templeton 1932-6-17 4912 Los Angeles Big Pines Park, San Gabriel Mtns. Comment
  RSA532643  Sisymbrium altissimum Timothy S. Ross 1991-8-14 5754 Los Angeles Roundtop Mountain. 1892 Comment
  RSA762384  Sisymbrium irio R. G. Swinney 2009-3-12 10100 -A Los Angeles Azusa, mouth of San Gabriel River Canyon, 0.7 mi. north of Sierra Madre Ave. on north side of Hwy 39 226 Comment
  POM11352  Sisymbrium officinale F. L. Robinson 1921-5-18 81 Los Angeles Claremont. 365 Comment
  UCR255851  Sisymbrium orientale Dan S. Cooper 2014-6-26 614- 67 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, along north side of Forest Lawn Rd. across from cemetery 152 Comment
  UCD138831  Sisyrinchium bellum Gordon J. Pilone 1963-4-15 261 Los Angeles Diamond Bar Ranch, Brea Canyon. Santa Ana Mt. Range. 609 Comment
  POM250487  Sisyrinchium bellum I. W. Clokey, E. G. Anderson 1935-5-9 6559 Los Angeles Puddingstone Dam Comment
  POM50611  Solanum douglasii L. R. Abrams 1901-4-1 1216 Los Angeles Ballona Harbor. Comment
  RSA674318  Solanum douglasii LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 720 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. 576 Comment
  SBBG49564  Solanum douglasii M. R. Benedict 1971-6-26 Los Angeles 0.5 mi S of Wilson Cove Comment
  RSA422436  Solanum douglasii Robin S. Collins 1973-5-15 298 Los Angeles Angeles National Forest, San Gabriel Mountains: Trail Canyon. 609 Comment
  RSA483716  Solanum douglasii Richard Noyes, L. Arnseth 1988-4-30 509 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Dry drainage bed 100 meters east of Thompson Creek Dam. 500 Comment
  NY826935  Solanum elaeagnifolium E. Braunton 09 1902 697 Los Angeles Los Angeles. Comment
  CAS-BOT-BC154725  Solanum umbelliferum T. S. Ross; S. D. Boyd 1994-5-10 7718 Los Angeles Liebre Mountains. Warm Springs Canyon: at the confluence of a blueline drainage NNE off the face of Warm Springs Mtn; ca 1250 m WNW from the canyon's effluence into Elizabeth Lake Canyon 682 Comment
  RSA681853  Solanum umbelliferum Scott D. White, Michael Honer 2003-6-18 9564 Los Angeles Liebre Mountains: Canyon Country. Steep, actively eroding slopes immediately above homes and detention basins in tributary to west of Tick Canyon. 549 Comment
  UC527250  Solanum umbelliferum C. B. Wolf 1931-5-13 2000 Los Angeles near bridge on road from Tujunga to San Fernando (Pacoima Wash); Pacoima Wash 365 Comment
  UCR209535  Solidago californica R. G. Swinney 2008-7-2 9132 Los Angeles San Gabriel Mtns., north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
  UCR256445  Solidago californica R. G. Swinney 2010-9-9 13764 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
  RSA93072  Solidago californica F. W. Peirson 1918-9-7 1229 Los Angeles Henniger Flats, San Gabriel Mountains 854 Comment
  SBBG14288  Solidago velutina var. californica H. and M. Dearing 1944-10-5 5891 Los Angeles Charlton Flats Comment
  RSA474110  Sonchus oleraceus M. B. Dunkle 1931-4-22 2453 Los Angeles Avalon Canyon, Santa Catalina Island. Comment
  SBBG67931  Sonchus oleraceus M. N. Ackley -Dec-1928 1165 Los Angeles Eagle Rock 182 Comment
  LA39068  Sonchus oleraceus H. Lewis; 1940-8-14 Los Angeles Campus of University of California at Los Angeles Comment
  POM6212  Sonchus oleraceus Crawford, Otis Hiatt 1916-3-29 s.n. Los Angeles Santa Monica Mountains Comment
  RSA474106  Sonchus oleraceus F. R. Fosberg 1930-6-23 S- 2965 Los Angeles Del Rey. 1 Comment
  RSA610984  Sorghum bicolor L. C. Wheeler 1942-11-30 5678 Los Angeles Near Kellogg Ranch, Arroyo Avenue, ca. 3 miles W of Pomona. Comment
  POM349193  Spartium junceum E. S. Spalding 1923-5-23 s.n. Los Angeles Santa Monica Mountains, Laurel Canyon. Comment
  SBBG31408  Spartium junceum R. F. Thorne 1967-5-20 36907 Los Angeles Avalon, N and above stables 45 Comment
  SEINET13276805 Image available Spartium junceum R. G. Swinney 2011-1 15272 Los Angeles San Gabriel Mountains: 1/4 mile north of entrance to Charlton Flat, 8 m west of Angeles Crest Hwy shoulder (Chilao Flat 7.5' Q.) (T3N R11W S35) 1658 Comment
  UCD170124  Spergularia bocconi R. G. Swinney 2009-3-12 10102 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 0.7 mi. north of Sierra Madre Ave. on north side of Hwy 39. 226 Comment
  RSA0097900  Spergularia bocconi P. H. Raven 1962-5-8 17615 Los Angeles San Clemente Island: Wilson Cove; barracks area. 76 Comment
  RSA12265  Spergularia macrotheca C. B. Wolf 1934-4-11 5640 Los Angeles Bryant Ranch, E of Long Beach. On Association oil Co. lease 200 ft no. Bryant well #21 2 Comment
  CAS-BOT-BC390340  Spergularia macrotheca var. macrotheca Carl B. Wolf 1932-5-9 3426 Los Angeles Santa Catalina Island. 1/2 mi. from Avalon on road to Pebbly Beach 7 Comment
  CAS-BOT-BC390341  Spergularia macrotheca var. macrotheca Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-7 4250 Los Angeles San Clemente Island. Lower half of China Cyn, S end of island, W side Comment
  CAS-BOT-BC390804  Spergularia marina E. Braunton 1902-5-25 s.n. Los Angeles Redondo Comment
  RSA0098138  Spergularia rubra Scott D. White, Justin M. Wood 2008-10-7 12561 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, between Bear Creek and Rincon Red Box Rd. 549 Comment
  SBBG96675  Spergularia villosa S. Boyd with T. Ross, L. Arnseth 1990-4-7 4255 Los Angeles lower half of China Cyn Comment
  RSA589265  Sphaeralcea ambigua var. rugosa Tim S. Ross 1991-4-28 4773 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 926 Comment
  UCR142080  Stachys albens A. C. Sanders, Mark A. Elvin 2002-8-26 25587 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed, Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near 'Airport Mesa 305 Comment
  LA52375  Stachys bullata Robert L. Dressler; 1949-4-23 701 Los Angeles 213 Comment
  SEINET1007492  Stebbinsoseris heterocarpa A. C. Sanders, Tricia Wotipka, Mark A. Elvin 2003-1 26116 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 518 Comment
  CAS-BOT-BC374813  Stebbinsoseris heterocarpa Louis C. Wheeler 1934-5-1 2578 Los Angeles La Verne 304 Comment
  RSA478121  Stellaria graminea L. C. Wheeler 1934-4-5 2512 Los Angeles 2 mi. NE La Verne Comment
  RSA199018  Stellaria media W. M. Gauntt 1966-4-14 127 Los Angeles Mt. Baldy road. 1/2 mile west of San Antonio Dam 914 Comment
  POM96969  Stellaria nitens P. A. Munz 1925-4-23 9434 Los Angeles San Gabriel Canyon. 488 Comment
  RSA232818  Stephanomeria blairii R. F. Thorne 1966-4-16 36029 Los Angeles San Clemente Island, canyon S of Lemon Tank, S of Nanny, NE side of island 152 Comment
  POM21343  Stephanomeria cichoriacea Fordyce Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canyon near Pasadena; San Gabriel Mts. Comment
  RSA784834  Stephanomeria cichoriacea J. D. Olmsted 1959-9-21 965 Los Angeles Along road above Big Dalton dam along side inlet from Monroe Canyon in San Dimas Experimental Forest NE of Glendora, San Gabriel Mts. 518 Comment
  CAS-BOT-BC375308  Stephanomeria exigua subsp. coronaria Marcus E. Jones 1900-7-12 6423 Los Angeles Long Beach Comment
  JEPS30638  Stephanomeria exigua subsp. coronaria Peter H. Raven and Henry J. Thompson 1959-9-27 14515 Los Angeles Sepulveda Canyon Santa Monica Mountains 243 Comment
  UCR269946  Stephanomeria parryi R. G. Swinney 2010-6-1 13110 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
  UCR182484  Stephanomeria spinosa R. G. Swinney 1997-7-17 5688 Los Angeles San Gabriel Mtns., summit of Table Mountain, NW of Wrightwood 2277 Comment
  POM21361  Stephanomeria virgata Fordyce Grinnell Jr. 1917-8-19 s.n. Los Angeles Paicoma Wash near San Fernando Comment
  RSA516970  Stephanomeria virgata A. C. Sanders 1987-9-18 7366 Los Angeles El Segundo Dune, W of Los Angeles International Airport and Pershing Dr. 38 Comment
  UCR272983  Stephanomeria virgata R. G. Swinney 2011-6-29 15337 Los Angeles San Gabriel Mountains, mouth of Monte Cristo Canyon, confluence with Mill Creek 1098 Comment
  CAS-BOT-BC375807  Stephanomeria virgata Alice Eastwood 1908-9-1 s.n. Los Angeles Los Angeles Comment
  UCR84374  Stillingia paucidentata T. S. Ross, J. M. Porter 1994-5-1 7612 b Los Angeles SW Mojave Desert, c. 3950 m NNE of Moody Springs and 2620 m west of the Los Ang./ San Bernardino County Line 875 Comment
  UCR255819  Stipa cernua R. G. Swinney 2010-5-4 12496 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
  UCR192925  Stipa coronata Dan S. Cooper 2008-5-12 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, along footpath up ridge just above Sunset Ranch Stables, Los Angeles 335 Comment
  UCR17165  Stipa pulchra P. H. Raven, David S. Verity 1960-5-7 15323 Los Angeles Western Transverse Range; Santa Monica Mtns., upper Arroyo Sequit 244 Comment
  POM7008  Stylocline gnaphaloides P. A. Munz, Williams, Street 1919-4-5 2443 Los Angeles Puddingstone Canyon, San Dimas. 290 Comment
  RSA0065855  Stylocline gnaphaloides LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6786 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA0076015  Stylocline gnaphaloides R. G. Swinney 2010-4-1 12127 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  UCD136484  Stylocline gnaphaloides Louis C. Wheeler 1967-5-8 9295 Los Angeles Liebre Mountains. Between Bouquet Junction and Bonelli Ranch. 381 Comment
  RSA679963  Stylocline psilocarphoides LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 867 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway 1143 Comment
  RSA584351  Stylomecon heterophylla Tim S. Ross, Steve Boyd 1994-5-24 7870 Los Angeles Lower NE slope of Grass Mountain: northeasterly draw and adjacent northerly slope dissected by Burns Truck Trail and draining to the upper central area of Burns Canyon. 1148 Comment
  CAS-BOT-BC234659  Symphoricarpos mollis Alice Eastwood 1917-7-20 6451 Los Angeles Santa Catalina Island Comment
  LA51407  Symphoricarpos mollis Henry J. Thompson; 1959-5-24 1990 Los Angeles Santa Monica Mountains, Tuna Canyon, 0.7 mi N of Coast Hwy 91 Comment
  LA94340  Symphoricarpos mollis A. M. Johnson; 1934-4-20 4429 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  POM4390  Symphoricarpos mollis J. H. Barber 1897-3-21 74 Los Angeles Sepulveda Canyon, Santa Monica Mountains. Comment
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Apr 17 2014
  UC213436  Symphoricarpos rotundifolius var. parishii I. M. Johnston 1917-9-16 1727 Los Angeles w spur Baldy; San Antonio Mountains 2743 Comment
  POM99353  Symphoricarpos rotundifolius var. parishii F. W. Peirson 1921-6-17 2439 Los Angeles along stream north of Mt Waterman. San Gabriel Mountains. 1859 Comment
  CAS-BOT-BC99400  Symphyotrichum subulatum var. parviflorum I. Johnston 1917-4-11 s.n. Los Angeles Nigger Slough [locality name change to'Laguna Dominguez'] Comment
  RSA316360  Syntrichopappus fremontii R. F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 54984 Los Angeles 1/4-1/2 mile north of Bob's Gap, north slope of Holcomb Ridge, about 2.5 miles due south of Llano. 1159 Comment
  RSA643108  Syntrichopappus lemmonii Orlando Mistretta 1993-5-10 834 Los Angeles San Gabriel Mtns, Big Pines Hwy. 1326 Comment
  SEINET3133941  Syrmatium junceum Unknown 1902-6-11 2518 Los Angeles Playa del Rey Comment
  RSA747041  Tamarix ramosissima R. G. Swinney 2008-4-11 8645 Los Angeles San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  LA201759  Tamarix ramosissima Arthur C. Gibson; 2003-8-29 4840 Los Angeles Comment
  SD30812  Taraxacum officinale Edith A. Purer 1931-3-23 Los Angeles Lawns near University Comment
  RSA455558  Tauschia arguta F. R. Fosberg 1931-3-1 S- 4215 Los Angeles Topanga Canyon, 2.5 mi. below Wildwood, Santa Monica Mountains. 60 Comment
  UC1189983  Tauschia arguta John H. Thomas 1957-4-27 6712 Los Angeles about 3 mi nw Pt. Dume (w side of mouth of Latigo Canyon, 15 mi due w of Santa Monica); Santa Monica Mountains, nw of Pt. Dume 91 Comment
  RSA0050036  Tauschia arguta Wendy Boes 2009-7-21 2009 -022 Los Angeles San Gabriel Mountains; Sunset Peak, Forest Service RD 2N07.2. 1676 Comment
  SBBG59664  Tauschia arguta E. Rockwell -Feb-1920 1120 Los Angeles Hollywood 365 Comment
  POM82346  Tauschia parishii George B. Grant 1904-5-17 323 Los Angeles Mt. Wilson. 1524 Comment
  RSA660165  Tauschia parishii Orlando Mistretta 1992-5-25 441 Los Angeles Transverse Ranges; San Gabriel Mountains region: Fenner Canyon Conservation Camp, Between camp boundary and water tower. Comment
  SJSU2610  Tecomaria capensis C. W. Sharsmith 1962-12-29 6927 Los Angeles Tujunga Comment
  RSA25781  Tetradymia axillaris var. longispina C. B. Wolf 1941-7-1 4225 Los Angeles W. Mojave Desert, Antelope Valley. 3 mi. W. of Palmdale. 823 Comment
  RSA2842  Tetradymia canescens C. B. Wolf 1931-10-23 2497 Los Angeles Swartout valley. 1 mile east of Wrightwood Lodge, San Gabriel Mountains. Comment
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Jul 4 2013