Search Results — 2000 specimen records retrieved (1563 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SD46523  Abronia pogonantha P. C. Everett, E. K. Balls 1956-5-9 21568 Los Angeles 6.0 miles south of Lancaster along Highway 6. 762 Comment
  RSA0025885  Abronia umbellata Jon P. Rebman, Jonathan Dunn 1996-4-29 3105 Los Angeles San Clemente Island: Eel Cove and Eel Cove canyon on west side of island. 10 Comment
  SEINET4084345  Abronia umbellata M. B. Dunkle 1939-1 7266 Los Angeles China Point, San Clemente Island. Comment
  UCR208955  Abronia umbellata Arthur L. Cohen 1934-8-2 519 Los Angeles South Coast, Ocean Park [near Santa Monica] 5 Comment
  RSA0048568  Abronia villosa Geo. R. Julian 1962-4-20 s.n. Los Angeles 10 miles East of Pearblossom. Comment
  UCR224085  Abutilon palmeri Justin M. Wood 2010-2-2 1415 Los Angeles Verdugo Mountains, east bound lanes of 210 Fwy, c. 0.5 mi southeast of Foothill Blvd 436 Comment
  RSA719131  Acacia baileyana Naomi Fraga 2001-4-10 8 Los Angeles California State Polytechnic University, Pomona. Voorhis Ecological Reserve. Comment
  CDA3983  Acacia cyclops A. C. Sanders 1986-7-3 6804 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Dr., E of Vista Del Mar Blvd., Pacific slope. Comment
  RSA772163  Acamptopappus sphaerocephalus R. G. Swinney 2009-5-12 10741 Los Angeles lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg ) of Littlerock 1061 Comment
  HSC87303  Acer macrophyllum Steve Boyd, T. S. Elias 1987-4-14 2032 Los Angeles San Gabriel Mtns., Rincon- Red Box Rd., S of Rincon Forest Station, N of Glendora Comment
  LA31593  Acer macrophyllum Peter H. Raven; Henry J. Thompson 1959-6-4 14352 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon, 1.1 mi N of US Hwy 101 Alt. [Pacific Coast Hwy]. 91 Comment
  RSA0022367  Acer macrophyllum Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5125 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA584297  Acer macrophyllum Tim S. Ross, Orlando Mistretta 1993-5-27 7334 Los Angeles Wilson Canyon, along the riparian strip. 588 Comment
  SEINET2043779 Image available Acer macrophyllum Steve Boyd, Thomas Elias 1987-4-14 2032 Los Angeles San Gabriel Mountains, Rincon - Red Box Rd. S of Rincon Forest Station, N. of Glendora. Comment
  POM182186  Achnatherum coronatum Marcus E. Jones 1926-5-7 s.n. Los Angeles Claremont. 365 Comment
  SBBG44998  Acmispon glaber C. B. Wolf 1931-7-2 Los Angeles Little Tujunga Wash, 0.5 mi above bridge on Sunland to San Fernando Rd 335 Comment
  CHSC891  Acmispon glaber var. brevialatus E. Thomas 1940-2-21 Los Angeles Padua Hills near Claremont. Comment
  CATA1907  Acmispon grandiflorus Amy Catalano, Tyler Dvorak 2014-1-13 004 Los Angeles Santa Catalina Island: Within Exclosure 3A along White's Landing Road 401 Comment
  SBBG67360  Acmispon heermannii var. heermannii R. Hoffmann 1929-5-19 Los Angeles border of Big Rock Crk Comment
  SEINET5327401  Acmispon heermannii var. heermannii G. B. Grant 1904-6-10 716 -6100 Los Angeles Collected at Ballona Marsh Comment
  SBBG118139  Acmispon maritimus var. maritimus F. R. Fosberg 1931-4-3 4464 Los Angeles Pebbly Beach Rd 5 Comment
  SBBG78354  Acmispon micranthus F. R. Fosberg 1932-5-7 8163 Los Angeles summit of Coach Rd [Stagecoach Rd] 250 Comment
  SBBG33646  Acmispon wrangelianus S. A. Junak with M. L. Hoefs, L. Stratton 1998-6-11 SCa 715 Los Angeles E side of Avalon Cyn, across from Quail Cyn and above baseball field 106 Comment
  CATA294  Acourtia microcephala Mark L. Hoefs 1973-6-4 313 Los Angeles Santa Catalina Island: By road on southeast side of Wrigley Memorial, upper Avalon Canyon 121 Comment
  LA200145  Acourtia microcephala Jonathan Sauer; 1971-5-7 4914 Los Angeles SANTA MONICA MOUNTAINS, ridge behind Malibu. Comment
  RSA0119659  Acourtia microcephala R. G. Swinney 2014-5-19 16585 Los Angeles San Gabriel Mountains; Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Mtwy. 515 Comment
  SD134535  Acroptilon repens Craig Reiser 1990-5-16 Los Angeles Ritter Ranch, NW of Palmdale near Amargosa Creek Comment
  SFV9200  Adenocarpus battandieri D. L. Koutnik May 1975 s. n. Los Angeles Along fire road near Magic Mountain. 762 Comment
  JEPS44779  Adenostoma fasciculatum Frank W. Peirson 1918-6-1 78 Los Angeles Mt. Wilson Toll Rd. 609 Comment
  LA200815  Adenostoma fasciculatum Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  SEINET3100958 Image available Adenostoma fasciculatum G. Rink 2011-6-1 10571 Los Angeles Chino Hills, northeast of La Brea, weedy place. 260 Comment
  SFV20817  Adenostoma fasciculatum L. Gross, N. Fraga, B. Hogshead, A. Virgen 2003-6-19 1087 Los Angeles Verdugo Mountains North side of Verdugo Mountains south of Hostetter Motorway (on the Thomas Guide) just off La Tuna Canyon Road, south or and you can see the 210 Freeway. 556 Comment
  RSA664098  Adenostoma fasciculatum var. fasciculatum Marianne Marshall 1981-5-29 20 Los Angeles Ca. Hwy 39, 14.5 mi. N of junction w/ Sierra Madre Ave. N of Azusa. Comment
  RSA733759  Adiantum capillus-veneris R. G. Swinney 2000-5-25 7782 Los Angeles San Gabriel Mnts.: Azusa, 0.5 mi. east of San Gabriel Canyon Information Station on Hwy 39 at mouth of canyon. 304 Comment
  UC399482  Adiantum jordanii C. F. Millspaugh 1919-12-4 4463 Los Angeles Hamilton Beach Canyon; Santa Catalina Isl Comment
  POM312804  Adiantum jordanii D. Taylor 1952-05 s.n. Los Angeles San Gabriel Mountains, Little Dalton Canyon 396 Comment
  CAS-BOT-BC202625  Aesculus californica W. R. Dudley; F. H. Lamb 1896-6-8 4378 Los Angeles Kings Canyon, Liebre Mountains Comment
  UCR185607  Aesculus californica A. C. Sanders 2007-4-25 33562 Los Angeles Tehachapi Mtns., Oso Canyon, 0.5 mi. SE of Kern Co. line, on Oso Canyon Rd. 1159 Comment
  RSA674319  Ageratina adenophora LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 721 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
  UCD150974  Ageratina adenophora D. S. Park 2010-4-29 60 Los Angeles Wildwood Canyon, roadside near first canyon entrance trailhead. 388 Comment
  RSA729415  Ageratina occidentalis R. G. Swinney 1998-10-3 7017 Los Angeles San Gabriel Mtns.: upper Fish Fork San Gabriel River., c. 1 mile east (upstream) from upper Fish Fork Campground, above 2nd waterfall in tributary from N side of San Antonio Ridge 2012 Comment
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Jul 29 2021
  RSA733279  Agoseris retrorsa R. G. Swinney 2001-6-16 7970 Los Angeles San Gabriel Mtns.: Juniper Hills, north side of Pleasant View Ridge, secondary ridge between Miller and McClure canyons. 1951 Comment
  SEINET3282759 Image available Agrostis R. G. Swinney 2001-9-16 8159 Los Angeles San Gabriel Mountains; 100 m east of Little Jimmy Spring Canyon, south Fork, south of Hwy 2, 0.6 mi due east of Mt. Islip and c. 2 mi north of Crystal Lake. 2207 Comment
  UCD52332  Agrostis exarata Robert F. Thorne; M. Z. Thorne 1967-7-19 37143 Los Angeles San Gabriel Mts., Angeles National Forest, Crystal Lake Recreation Area. Just above junction of roads to Crystal Lake and Angeles Crest Hwy. 1554 Comment
  CAS-BOT-BC139357  Agrostis idahoensis Robert F. Thorne; J. Dourley 1967-10-10 37359 Los Angeles San Gabriel Mountains. Angeles National Forest. 1.5 mile east of Dawson Saddle. 2331 Comment
  RSA78144  Aliciella lottiae Verne Grant, Alva Grant 1953-4-25 18430 Los Angeles Open desert 11.0 miles west of hywy 395 on Pearblossom road. 915 Comment
  SEINET10887399  Allium cepa Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3780 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  RSA229213  Allium lacunosum var. davisiae Robert F. Thorne, C. W. Tilforth 1971-6-30 40799 Los Angeles San Gabriel Mountains, Angeles National Forest: S Fork of Little Rock Creek,1.8 miles below Alder Saddle in Pinyon Flats area. 1555 Comment
  POM158342  Allium praecox M. B. Dunkle 1928-3-31 1761 Los Angeles Santa Catalina Island: Little Harbor 61 Comment
  RSA592009  Allium praecox Mark Haefs, D. Propst 1973-5-4 245 Los Angeles Santa Catalina Island. Road above Little Fisherman s Cove. 168 Comment
  SBBG127471  Allium praecox M. B. Dunkle 1939-4-6 7304 Los Angeles Mosquito Harbor Comment
  RSA232809  Allium praecox Robert F. Thorne 1966-4-16 36059 Los Angeles San Clemente Island: Canyon below Lemon Tank near dump, S of Nanny, NE side of island 183 Comment
  RSA367123  Allium praecox George B. Grant, Walter Wheeler 1904-4-23 s.n. Los Angeles Santa Catalina Island. Comment
  RSA0040124  Allophyllum divaricatum Orlando Mistretta 1990-7-2 s.n. Los Angeles Bear Flat 1746 Comment
  RSA191135  Allophyllum divaricatum R. F. Thorne, M. Z. Thorne 1967-6-25 37089 Los Angeles Along fire-road between Cobal and Evey Canyons. 732 Comment
  UCR223592  Allophyllum gilioides subsp. violaceum R. G. Swinney 2009-6-8 11080 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
  LA210334  Allophyllum glutinosum S. B. Parish; May 1926 Los Angeles Pasadena, Arroyo Seco Comment
  UCR117673  Allophyllum glutinosum Scott D. White 1997-5-21 5212 Los Angeles San Gabriel Mtns., San Gabriel River Canyon: north of Azusa, slope above Hwy 39, above San Gabriel Reservoir 488 Comment
  CHSC95781  Alnus rhombifolia LeRoy Gross; Naomi Fraga, Steve Williams 2002-7-17 551 Los Angeles Transverse Ranges: Verdugo Mountains Region: North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road. 425 Comment
  UCR261550  Alnus rhombifolia R. G. Swinney 2010-2-27 11716 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
  RSA402953  Amaranthus albus F. R. Fosberg 1931-4-8 S- 4509 Los Angeles Santa Catalina Island. 40 Comment
  RSA402959  Amaranthus albus E. S. Spalding 1931-7-31 s.n. Los Angeles Manhattan Beach. Comment
  CAS-BOT-BC13483  Amblyopappus pusillus G. B. Grant 1901-4-18 s.n. Los Angeles Redondo Comment
  RSA416872  Amblyopappus pusillus Blanche Trask 1900-03 3693 Los Angeles Avalon, Santa Catalina Island. Comment
  SBBG19154  Ambrosia chamissonis M. A. Piehl 1963-12-8 631113 Los Angeles W end airfield runway, West Cove 18 Comment
  UCR17946  Ambrosia dumosa Loretta Bates 1978-5-28 s.n. Los Angeles Western Mojave Desert, [east of Llano] junction of Hwy 138 and Black [Butte] Basin Rd 1037 Comment
  RSA594342  Ambrosia psilostachya Steve Boyd, Lauren Raz 1996-10-14 9027 Los Angeles Liebre Mountains region, Agua Dulce Canyon, just north of Highway 14 and the confluence with Escondido Canyon, along Agua Dulce Canyon Road. 671 Comment
  POM14305  Ambrosia psilostachya Philip A. Munz 1922-10-15 6542 Los Angeles Claremont. 366 Comment
  RSA641682  Amelanchier utahensis Orlando Mistretta 1993-6-2 849 Los Angeles San Gabriel Mountains: Viscinity of Mt. Baden Powell. Near Vincent Gap, north slope of Mt. Baden Powell above Vincent Gulch. 2043 Comment
  RSA762421  Amelanchier utahensis R. G. Swinney 2008-8-13 9380 Los Angeles Icy Springs, tributary of Big Rock Creek. 1756 Comment
  UC78281  Amsinckia Katharine Brandegee May 1889 Los Angeles San Pedro Comment
  RSA0090901  Amsinckia douglasiana L. C. Wheeler 1931-3-8 s.n. Los Angeles Fischer s, [Vicinity of Claremont]. Comment
  RSA213399  Amsinckia intermedia M. B. Dunkle 1939-4-6 7294 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  SD52431  Amsinckia intermedia Skip Stone Apr 1952 74 Los Angeles Blanchard Park, Claremont 334 Comment
  LA40185  Amsinckia menziesii var. menziesii Robert G. Engman; sn Los Angeles Santa Monica Mountains, UCLA campus 60 Comment
  POM127663  Amsinckia spectabilis S. B. Parish 1918-6-5 11869 Los Angeles Playa del Rey Comment
  RSA0091274  Amsinckia spectabilis Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4344 Los Angeles San Clemente Island: E side of island, near Malo Point, second canyon S of Bryce Cyn. Comment
  RSA0091517  Amsinckia tessellata R. G. Swinney 2011-4-20 14431 Los Angeles Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 miles upstream in Hunt Cyn. 1220 Comment
  SD181673  Amsinckia tessellata var. tessellata Louis C. Wheeler 1973-4-20 Los Angeles San Gabriel Mountains: Alliso Canyon ca. 0.5 mile east of Blum Ranch. 945 Comment
  RSA465154  Anagallis arvensis F. R. Fosberg 1930-6-23 S 2986 Los Angeles Del Rey. 0 Comment
  SBBG116433  Ancistrocarphus filagineus R. Burgess, P. Munro 2002-5-6 5183 Los Angeles Hungry Valley Rd, 0.5 mi W of Smokey Bear Rd 914 Comment
  SBBG125052  Androsace elongata subsp. acuta A. Parikh, N. Gale 2010-5-25 3220 Los Angeles E Liebre Mtns, Sierra Pelona, 5.4 km W of State Hwy 14, 2.0 km SW of California Aqueduct 1131 Comment
  UCR191294  Androsace elongata subsp. acuta T. B. Salvato 2008-4-22 3309 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
  RSA416650  Anisocoma acaulis Anstruther Davidson 1893-5-12 s.n Los Angeles Lancaster. Comment
  CAS-BOT-BC126776  Anthemis cotula John I. Carlson 1915-6-13 s.n. Los Angeles Avalon, Santa Catalina Isl. Comment
  RSA416828  Anthemis cotula B. C. Templeton, I. W. Clokey 1936-5-18 5663 Los Angeles Puddingstone Dam Comment
  JEPS16425  Antirrhinum coulterianum Peter H. Raven, H. J. Thompson, S. R. Snow 1956-6-22 9452 Los Angeles below Mulholland Drive (above Sepulveda Boulevard); Santa Monica Mountains Comment
  RSA682672  Antirrhinum coulterianum LeRoy Gross, Naomi S. Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1080 Los Angeles North side of mountains: South of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway. 556 Comment
  UCR104897  Antirrhinum coulterianum Scott D. White 1997-5-21 5214 Los Angeles San Gabriel Mtns., San Gabriel River Canyon: north of Azusa, slope above Hwy 39, above San Gabriel Reservoir 488 Comment
  POM354864  Antirrhinum multiflorum H. L. Bauer 1932-4-1 15396 Los Angeles Near Topanga. Santa Monica Mountains. Comment
  UCR137148  Antirrhinum nuttallianum subsp. nuttallianum Anstruther Davidson 1892-1 s.n. Los Angeles South Coast, Long Beach 15 Comment
  SBBG117050  Aphanes occidentalis S. A. Junak with K. Kirkland 2001-4-14 SCa 1444 Los Angeles upper portion of Middle Cyn, just upslope from E side of Middle Cyn Rd, ca. 1.2 mi from jct with Airport Rd 304 Comment
  SBBG131641  Aphanes occidentalis S. A. Junak 1999-4-22 SCa 837 Los Angeles White's Landing, tent cabin area, YMCA Camp, just W of amphitheater 6 Comment
  LA200139  Apiastrum angustifolium O. H. Kappler; 1941-4-6 179 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UC20815  Apiastrum angustifolium J. H. Barber 1897-3-28 113 Los Angeles Santa Monica Canyon; Southern California, Santa Monica Canyon Comment
  RSA0019004  Apocynum cannabinum Steve Boyd, Valentin Arvizu, R. E. Riefner 2006-9-21 11686 Los Angeles Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  RSA682289  Apocynum cannabinum R. E. Riefner 2000-8-29 0 -754 Los Angeles La Tuna Canyon, Santa Monica Mountains. Conservency Park, second canyon at picnic stop along La Tuna Canyon Rd. S of 210 Freeway. 462 Comment
  POM366918  Aquilegia formosa Thekla Mohr 1915-1 3014 Los Angeles North Fork, San Gabriel River. Comment
  RSA330756  Aquilegia formosa Wayne E. Sawyer 1981-6-11 10 Los Angeles San Gabriel Mountains, Angeles National Forest: CA Highway 2 between Dawson Saddle and junction of CA Highway 39, 1.8 miles from Dawson Saddle 2287 Comment
  UCR194308  Aquilegia formosa R. G. Swinney 1998-8-6 6676 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 Comment
  RSA239860  Aquilegia formosa John Dourley, Nick Lolonis 1968-8-20 s.n. Los Angeles Along State Highway 2, below Dawson Saddle, San Gabriel Mountains. 2348 Comment
  UCR190544  Arabis R. G. Swinney 2000-6-19 7834 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  UC855520  Arabis glabra Marcus E. Jones, A. M. 1882-5-2 3210 Los Angeles Pasadena Comment
  RSA0129095  Arabis platysperma var. platysperma Wayne E. Sawyer 1981-6-16 36 Los Angeles San Gabriel Mountains, Angeles National Forest: Crest trail above Lily Spring, Ca. 0.25 mi. W of Mt. Hawkins. 2606 Comment
  UC10164  Arabis pulchra Dr. A. Davidson 1909-5-10 Los Angeles Lancaster Comment
  UC855513  Arabis pulchra Alice Eastwood and John Thomas Howell 1937-4-26 3968 Los Angeles near Palmdale Comment
  RSA0128658  Arabis repanda var. repanda R. F. Thorne, C. W. Tilforth, John Dourley, R. Scogin 1972-8-11 42228 Los Angeles San Gabriel Mtns, Angeles National Forest: N slope of Mt. Waterman near Buckhorn Station. 2134 Comment
  UCR150836  Arabis sparsiflora R. G. Swinney, Dave Larson 1999-5-15 7174 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  SEINET10532874  Araucaria excelsa David B. Dunn 1939-10-25 Dunn UMO 46540 Los Angeles Cultivated plant collected along Orange Dr., Pasadena, California. 274 Comment
  RSA639887  Arceuthobium californicum Louis C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: Headwaters of Cruthers Creek, north side Will Thrall Peak, on Burkhart trail. 2012 Comment
  CAS-BOT-BC410155  Arceuthobium occidentale Louis C. Wheeler 1932-4-9 579 Los Angeles Kings Canyon, Elizabeth Lake Region 1036 Comment
  RSA0048555  Arctostaphylos canescens A. Lee Haines 1964-5-7 s.n. Los Angeles Topanga Canyon, Santa Monica Mts. 411 Comment
  RSA626683  Arctostaphylos glandulosa Allen Massihi, Jon E. Keeley 1992-7-27 15789 Los Angeles Santa Clara Divide Road (3N17), 8-10 km off Sand Canyon Road, San Gabriel Mountains. 1000 Comment
  RSA626689  Arctostaphylos glandulosa Allen Massihi, Jon E. Keeley 1992-7-27 15732 Los Angeles Southwest of Bear Divide, off Little Tujunga Road. 950 Comment
  RSA626746  Arctostaphylos glandulosa Jon E. Keeley 1978-2-25 7041 Los Angeles Shortcut Summit, 0.5 km east of Shortcut Picnic Ground. 1560 Comment
  RSA626781  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-8-20 20499 Los Angeles Angeles Crest Highway (mid-elevation Arctostaphylos site), 12 km south of turnoff to Singing Pines Campground. 1545 Comment
  UC1871031  Arctostaphylos glandulosa T. S. Ross, W. Appleby 1993-5-19 7169 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mtns: ca.80m S of Wilson Canyon Saddle along old loop road; San Fernando 7.5' USGS quad; R15W T3N, NW/4 SE/4 NE/4 SE/4 sect 9; ca 3120 ft elevation. 951 Comment
  POM8104  Arctostaphylos glandulosa subsp. mollis Geo L. Moxley 1919-9-1 713 Los Angeles Ridge 1/2 mile north of Mt. Hollywood, Griffith Park. Comment
  RSA626752  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley 1979-6-14 7408 Los Angeles 3.2 km east of Short Cut on Angeles Crest Highway. 1600 Comment
  UCR190536  Arctostaphylos glandulosa subsp. mollis R. G. Swinney 2000-6-19 7831 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  RSA629094  Arctostaphylos glandulosa var. cushingiana Jon E. Keeley, Allen Massihi 1992-8-20 20259 Los Angeles Mill Creek Summit, Angeles Forest Hwy. San Gabriel Mtns. 1470 Comment
  RSA631216  Arctostaphylos glandulosa var. cushingiana Jon E. Keeley, Melanie Baer Keeley 1992-10-11 21976 Los Angeles Liebre Mountains, 1.5 km east of Bear Campground. 1700 Comment
  RSA367292  Arctostaphylos glauca C. R. Parks 1963-2-16 150 Los Angeles along southern slope on upper Bear Creek Trail just west of Crystal Lake, 12 miles north of Azusa. 1372 Comment
  UCSB9288  Arctostaphylos glauca Wedberg, H. 1957-3-3 Los Angeles Old Topanga Canyon Comment
  RSA0087357  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-27 15751 Los Angeles Santa Clara Divide Rd. (3N17), 2 km off Sand Canyon Rd., San Gabriel Mountains. 900 Comment
  RSA634726  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20513 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA634740  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20609 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.3 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1705 Comment
  RSA635091  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20350 Los Angeles Road to Mt. Gleason, 9 km west of Mill Creek Summit, San Gabriel Mtns. 1730 Comment
  RSA635100  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20551 Los Angeles 2 km NW of Chilao Cpgrd., San Gabriel Mtns. 1670 Comment
  RSA635188  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20395 Los Angeles Road to Pacifico Mtn., 7.5 km east of Mill Creek Summit, San Gabriel Mtns. 1878 Comment
  RSA635230  Arctostaphylos patula Jon E. Keeley 1992-8-21 20670 Los Angeles Dawson saddle, Angeles Crest Hwy 735 Comment
  UC1076490  Arenaria macradenia var. macradenia Herbert L. Mason 1926-4-26 2977 Los Angeles Summit of Mint Canyon Comment
  CAS-BOT-BC384748  Arenaria serpyllifolia var. serpyllifolia I. M. Johnston 1918-4-25 1978 Los Angeles Claremont 365 Comment
  SBBG70088  Argemone munita R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk Comment
  UCD95185  Argemone munita Steve Mason 1993-5-2 31 Los Angeles Mojave Desert, off W. State Rt. 138, 1 mile past W. 110th Street., S on dirt road, 0.4 mile in, 30' off west roadside. 762 Comment
  RSA660416  Argemone munita Orlando Mistretta 1992-5-21 387 Los Angeles Right Star Mine, S of Acton. Comment
  RSA417239  Artemisia californica F. R. Fosberg 1931-1-7 7115 Los Angeles Mouth of little Santa Anita Canyon, Sierra Madre. 300 Comment
  RSA613730  Artemisia californica L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon approximately 1/2 mile east of Blum Ranch. 945 Comment
  SD41460  Artemisia californica Edith A. Purer 1931-12-1 2389 Los Angeles El Segundo, west of road Comment
  SD51874  Artemisia californica Peter H. Raven 1962-7-10 17966 Los Angeles San Clemente Island, upper reaches of Cave Canyon draining southwest from thirst Comment
  CAS-BOT-BC90337  Artemisia douglasiana Grant 1898-3-24 1856 Los Angeles Lincoln Park Comment
  RSA0106497  Artemisia dracunculus R. G. Swinney 2011-10-18 15833 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
  UCR271844  Artemisia dracunculus R. G. Swinney 2011-10-27 15920 Los Angeles San Gabriel Mountains, West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream 649 Comment
  PASA829  Artemisia heterophylla Shanteau Sept. 30 Los Angeles Death valley canyon Comment
  RSA0042073  Artemisia tridentata R. G. Swinney 2009-11-16 11621 Los Angeles 20 m east (up canyon) from east edge of Kentucky Springs, tributary of Kentucky Springs Canyon, 3/4 mile W of Angeles Forest Hwy at Angeles National Forest boundary, 0.4 mi. west of junction of Mt. Emma Rd. and Angeles Forest Hwy 1122 Comment
  SEINET269843  Artemisia tridentata Miles Fellows 1981-12-13 Los Angeles Adjacent to highway 2 at Big Pines 1920 Comment
  SBBG62478  Artemisia tridentata subsp. parishii L. R. Abrams 1916-10-31 6363 Los Angeles Fremont's Pass, near Newhall Comment
  UC1119420  Artemisia tridentata subsp. parishii H. A. Jensen 1934-6-1 380 Los Angeles n Pinyon Ridge; Angeles National Forest, Rock Creek Quadrangle Comment
  RSA235235  Arthrocnemum subterminale E. R. Blakley 1962-6-10 5221 Los Angeles Wilson Cove, San Clemente Island 6 Comment
  SBBG17265  Asclepias californica K. A. Wilson 1962-5-12 1280 Los Angeles cyn with public cmpgrds leading to Devils Punch Bowl trail Comment
  UC586907  Asclepias californica Joseph Andorfer Ewan 1934-8-3 8430 Los Angeles Table Mt. trail to Swartout Valley floor; San Gabriel Mts., Table Mt. 2164 Comment
  RSA738072  Asclepias eriocarpa Bill Duval s.n. Los Angeles Montrose Comment
  UCR186410  Asclepias eriocarpa T. B. Salvato, H. Spencer Badet, Mitch Provance 2007-4-26 2084 Los Angeles Tehachapi Mountains Foothills/Western Antelope Valley, outwash plain below Bronco Canyon, c. 4 mi N of Hwy 138 965 Comment
  RSA250388  Asclepias eriocarpa R. F. Thorne, C. W. Tilforth, J. Dourley, R. Scogin 1972-8-11 42222 Los Angeles N slope of Mt. Waterman near Buckhorn Station in open yellow pine forest. 2134 Comment
  SEINET10580455  Asclepias eriocarpa C. W. Tilforth, John Dourley; Ron Scogin 1972-8-11 Tilforth 42222 Los Angeles San Gabriel Mountains, Angeles National Forest, N slope of Mt. Waterman near Buckhorn Station 2134 Comment
  UCSB4923  Asclepias eriocarpa McElwain, Isabelle 1953-5-30 Los Angeles 18000 Bull Canyon Rd., Grenada Hills 457 Comment
  RSA401243  Asclepias fascicularis F. R. Fosberg 1930-6-26 S- 3022 Los Angeles Lower Ballona Creek. 10 Comment
  LA94124  Aspidotis californica Lawrence L. Kiefer; 1966-3-26 1776 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, ca 1 mi from mouth. 60 Comment
  CAS-BOT-BC68752  Asplenium vespertinum George L. Moxley 1920-11-28 871 Los Angeles San Gabriel Canyon Comment
  RSA417665  Aster greatae Freda Detmers 1928-9-30 s.n. Los Angeles San Gabriel Canyon Comment
  UCR190804  Aster greatae R. G. Swinney, Dave Larson 1999-6-12 7547 Los Angeles San Gabriel Mtns., upper East Fork San Dimas Canyon, north of confluence with Fern Canyon 869 Comment
  UC635653  Astragalus didymocarpus H. L. Mason 1926-4-26 2963 Los Angeles four mi w Saugus; w of Saugus Comment
  RSA90226  Astragalus douglasii var. douglasii F. W. Peirson 1918-6-16 582 Los Angeles Rock Creek, north slope of San Gabriel Mountains 1448 Comment
  CAS-BOT-BC187097  Astragalus lentiginosus var. borreganus Roxana S. Ferris 1918-6-12 911 Los Angeles Lancaster Comment
  LA205273  Astragalus lentiginosus var. fremontii Carl Epling; May 1927 Los Angeles Ridge Route near Summit Comment
  RSA415734  Astragalus trichopodus var. lonchus G. Austin 1929-2-18 s.n Los Angeles Glen Ranch. Comment
  UC1211024  Astragalus trichopodus var. lonchus Huron H. Smith 1912-5-30 5043 Los Angeles beachroad near Avalon (Santa Catalina Isl.); Santa Catalina Island Comment
  RSA127884  Astragalus trichopodus var. phoxus Peter H. Raven, H. J. Thompson 1959-5-5 14158 Los Angeles Malibu Canyon, 3 miles south of Tapia Park 91 Comment
  SD41988  Astragalus trichopodus var. phoxus Darley F. Howe 1947-5-3 Los Angeles Mint Canyon Comment
  SEINET1004484  Astragalus trichopodus var. phoxus A. C. Sanders 2005-1 29875 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, northeast rim Cruzan Mesa along dirt road under powerlines, above Vasquez Canyon Rd. 640 Comment
  CAS-BOT-BC200838  Astragalus trichopodus var. trichopodus R. L. Pendleton 1909-7-2 1369 Los Angeles Road east of Avalon, Santa Catalina Island 9 Comment
  UCR101218  Athyrium filix-femina var. cyclosorum L. C. Wheeler 1954-9-1 7074 Los Angeles San Gabriel Mtns., Little Rock Creek, c. 1 mi downstream from Cooper Creek 1677 Comment
Read comments
Oct 12 2010
  RSA594954  Athysanus pusillus Timothy S. Ross 1995-4-26 8400 Los Angeles Head of Liebre Gulch drainage along Forest Service Road 8N05, between Sandberg and Bald Mountain; ca 1740 feet W of Sandberg BM (4164 ft) 1204 Comment
  SBBG13507  Atriplex argentea var. expansa P. H. Raven 1962-5-8 17619 Los Angeles near summit of ridge above Wilson Cove 121 Comment
  SBBG13584  Atriplex argentea var. expansa P. H. Raven 1962-7-11 17998 Los Angeles just S of old airstrip Comment
  UC56786  Atriplex argentea var. mohavensis Ernest Braunton July 1901 Los Angeles Los Angeles Los Angeles (vacant lot) Comment
  CAS-BOT-BC168267  Atriplex canescens var. canescens Timothy S. Ross; J. Mark Porter 1994-5-1 7603 Los Angeles Southwestern Mojave Desert: Open desert, on NW corner of Black Butte Basin Road and Avenue U, ca 1275 m SW of Three Sisters buttes 959 Comment
  RSA452425  Atriplex confertifolia Anstruther Davidson 1926-8-1 s.n. Los Angeles Mojave Desert. Comment
  RSA645703  Atriplex confertifolia A. C. Sanders, E. J. Lott 1993-5-6 13957 Los Angeles Mojave Desert: 13 miles N of Palmdale, Sierra Hwy at Ave F. 701 Comment
  UCR94681  Atriplex confertifolia A. C. Sanders, E. J. Lott 1993-5-6 13973 Los Angeles Western Mojave Desert, SW edge of Rosamond Dry Lake, near east end of Ave 'C,' just west of Piute Ponds and east of Sierra Hwy, at edge of Edwards AFB 700 Comment
  CATA3045  Atriplex coulteri Amy Catalano 2016-3-22 055 Los Angeles Santa Catalina Island: Northeast of end of first Old Hunting Road along Empire Landing Road between Airport Road and Sheep Chute Road, top of dry, rocky ridge 292 Comment
  CATA3377  Atriplex coulteri Peter J. Dixon 2016-5-12 053 Los Angeles Santa Catalina Island: Lower Coffeepot Canyon, 110 m east of red ridge rd. 530 m north of Pacific Ocean 200 Comment
  RSA188194  Atriplex coulteri R. F. Thorne, P. Everett 1965-6-23 34980 Los Angeles Santa Catalina Island. Hay Press Reservoir 411 Comment
  RSA746735  Atriplex glauca A. C. Sanders, T. B. Salvato 2009-5-19 36812 Los Angeles San Gabriel Valley; Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center. 110 Comment
  IRVC29100  Atriplex lentiformis A. C. Sanders 2003-6-20 26995 Los Angeles "Off-haul Canyon" between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and ca. 1 km NNW of Mayo Spur, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 305 Comment
  SD234360  Atriplex lentiformis A. C. Sanders 2003-6-20 26995 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
  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
  OBI6008  Atriplex nummularia Carl B. Wolf 1931-12-30 2632 Los Angeles Playa del Rey 15 Comment
  UCR24119  Atriplex nummularia John C. Roos 1937-9-2 2555 Los Angeles Playa del Rey Comment
  SBBG19202  Atriplex pacifica M. A. Piehl 1963-12-7 631041 Los Angeles edge of mesa opposite Pyramid Head on SE tip of island 21 Comment
  UCR103758  Atriplex parryi David Charlton 1989-5-25 3196 C Los Angeles W Mojave Desert, NW edge of Lancaster, between Ave. G and H on 30th St. West 701 Comment
  CATA1527  Atriplex prostrata Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1996-7-10 2748 Los Angeles Santa Catalina Island: Catalina Harbor at the Isthmus 3 Comment
  RSA657022  Atriplex semibaccata Joseph M. Keefe 2001-1-19 30889 Los Angeles on north side of Upperton Avenue (north across street from 1871 Upperton Avenue) at intersection with Upperton Place; pass in ridge between Eagle Rock Valley and York Valley (Highland Park); Los Angeles, 90042. 262 Comment
  SD69571  Atriplex semibaccata Robert F. Thorne 1966-9-14 36623 Los Angeles Santa Catalina Island; Middle Ranch, Middle Ranch Canyon. 214 Comment
  RSA150922  Avena barbata P. H. Raven 1962-4-11 17290 Los Angeles San Clemente Island: beach behind Northwest Harbor 3 Comment
  SEINET4342866  Avena barbata G. B. Grant 1904-4-16 87 Los Angeles Los Angeles Comment
  CATA852  Avena fatua Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1661 Los Angeles Santa Catalina Island: Little Harbor 4 Comment
  RSA167819  Avena fatua R. F. Thorne, Percy C. Everett 1964-2-7 33452 Los Angeles Lower end of Pebbly Beach Canyon, E end of Santa Catalina Island. 76 Comment
  RSA600838  Avena fatua L. C. Wheeler 1967-5-13 9535 Los Angeles San Gabriel Canyon, Ward's Grove. 262 Comment
  RSA601020  Avena fatua L. C. Wheeler 1967-5-13 9513 Los Angeles San Gabriel Mountains. On mesa between Little Dalton and Englewild canyons, in vicinity of abandoned lemon grove. 396 Comment
  SD234236  Avena fatua A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al 2003-4-28 26142 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam (Warm Springs Mtn 7.5' Q) 487 Comment
  RSA709377  Azolla microphylla A. C. Sanders, Mark Elvin 2002-6-20 25227 Los Angeles NE end of Santa Susana Mtns.: Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river. 290 Comment
  CAS-BOT-BC98735  Baccharis douglasii Ernest Braunton 1902-8-1 644 Los Angeles Griffith Park Comment
  IRVC28743  Baccharis douglasii A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25525 Los Angeles Newhall Ranch, large natural spring at north foot of "Airport Mesa," 0.75 mi. SW of Castaic Junction Santa Clara River Valley 305 Comment
  RSA0000934  Baccharis malibuensis R. M. Beauchamp 1991-8-26 s.n. Los Angeles Santa Monica Mountains, Stokes Canyon. 213 Comment
  RSA648012  Baccharis pilularis Diane Elliott 1985-5-17 45 Los Angeles Canyon, (.5)? miles S of intersection, Eastvale Rd. and Palos Verdes Drive North. Comment
  RSA606367  Baccharis plummerae Jon E. Keeley 1994-6-17 25328 Los Angeles First year after wild fire. Carbon Canyon, 1 km E of Hwy 1. Study Site CC1. Santa Monica Mountains 18 Comment
  HSC24843  Baccharis salicifolia James Henrickson 1972-3-17 7179 Los Angeles 5 road miles along Angeles Crest Hwy. 5, NE of La Canada in San Gabriel Mtns. 823 Comment
  POM304856  Baccharis salicifolia Henry J. Ramsey, Henry J. Ramsey 1937-9-2 232 Los Angeles 2 miles below Mt. Wilson. 1524 Comment
  RSA590936  Baccharis salicifolia Orlando Mistretta 1994-4-12 1027 Los Angeles Little Rock Creek: Slopes E of Little Rock Reservoir 976 Comment
  UCR212772  Baccharis salicifolia Ellen Mackey, Blake Whittington 2006-10-4 NFWF- 1773 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River watershed, [San Dimas Canyon] downstream from San Dimas Dam 405 Comment
  UCR217427  Baccharis salicifolia R. G. Swinney 2009-2-20 10019 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  UCSB9955  Baccharis salicifolia Haller, Norman 1953-3-29 Los Angeles Mulholland Dr., approx. 200 yds. west of Sepulveda on small dirt road; Santa Monica Mts. 426 Comment
  JEPS42575  Barbarea orthoceras Frank W. Peirson 1922-7-5 3166 Los Angeles Big Pines San Gabriel Mountains, Swartout Valley region (in the Swartout Valley region, n side of San Gabriel Mountains) 2072 Comment
  SD82900  Barbarea orthoceras R. F. Thorne, M. Z. Thorne 1969-7-9 38565 Los Angeles San Gabriel Mountains, Angeles National Forest; upper part of large, wet sloping meadow at Big Pines. 2090 Comment
  JEPS5611  Bergia texana Theodore W. Minthorn 1910-10-22 8 Los Angeles 5 miles east of Los Angeles. Comment
  RSA618992  Bidens laevis LeRoy Gross 1998-10-16 84 Los Angeles Southern base San Gabriel Mtns.: Tujunga Ponds. West of 210 freeway in big Tujunga wash, city of Sunland. 366 Comment
  RSA609132  Bidens pilosa L. C. Wheeler 1931-5-3 s.n. Los Angeles San Dimas Canyon, San Gabriel Mts. Comment
  SD21562  Bloomeria crocea var. crocea Norman E. Bilderback 1938-4-23 Los Angeles Catalina Harbor, Catalina. Comment
  CAS-BOT-BC482057  Bloomeria crocea var. crocea Cecil Hart 1930-5-20 s.n. Los Angeles Montebello Comment
  UC111290  Boechera arcuata O. M. Oleson 1907-3-28 Los Angeles near Pasadena; Rubio Canyon Comment
  RSA313427  Boechera californica T. S. Elias 1984-4-29 8330 Los Angeles Angeles National Forest; Glendora Ridge near Baldy Camp; along forest service road above ridge road Comment
  RSA532660  Boechera californica Timothy S. Ross 1991-8-14 5758 Los Angeles Roundtop Mountain. 1878 Comment
  CAS-BOT-BC14581  Boechera pulchra Louis C. Wheeler 1968-5-27 s.n. Los Angeles San Gabriel Mountains. Alimony Ridge. 1432 Comment
  SBBG72404  Boechera pulchra R. Hoffmann 1925-4-19 Los Angeles Bouquet Cyn Comment
  CATA1204  Bolboschoenus maritimus subsp. paludosus Mark L. Hoefs, Jay B. Walker, Carol Annable 1995-6-7 2256 Los Angeles Santa Catalina Island: Little Harbor 3 Comment
  LA8054-  Bothriochloa barbinodis Carl Epling; L. Ellison 1929-4-27 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  SJSU13373  Boykinia rotundifolia C. W. Sharsmith 1941-6-22 4403 Los Angeles Eaton Cr, San Gabriel Mts 426 Comment
  RSA612310  Boykinia rotundifolia Louis C. Wheeler 1932-7-9 952 Los Angeles San Gabriel Mountains: Rogers [Roberts] Canyon. 441 Comment
  UC195529  Boykinia rotundifolia D. L. Crawford 1915-7-15 551 Los Angeles mts near Claremont; Mts. near Claremont Comment
  UC1117454  Brachypodium distachyon Peter H. Raven 1962-5-22 17825 Los Angeles above Emerald Bay (Santa Catalina Island); Santa Catalina Island 121 Comment
  RSA0081306  Brassica geniculata R. G. Swinney 2010-3-24 12072 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  UCR272362  Brassica geniculata R. G. Swinney 2011-6-20 15223 Los Angeles San Gabriel Mountains, Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail 1573 Comment
  UCR273259  Brassica geniculata R. G. Swinney 2011-10-25 15861 Los Angeles San Gabriel Mountains, along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek 1001 Comment
  SEINET10626303  Brassica rapa Heidi H. Schmidt 1999-10-14 Schmidt 3815 Los Angeles City of San Gabriel. Hawaii Supermarket: 120 East Valley Boulevard: San Gabriel, CA: 91776: (626) 307-0062 - phone. 110 Comment
  JEPS31112  Brickellia californica Ernest C. Twisselmann 1961-10-31 6676 Los Angeles Pine Canyon at Pine Canyon Guard Station Pine Canyon 1066 Comment
  RSA589096  Brickellia californica Orlando Mistretta 1994-9-13 1461 Los Angeles San Gabriel Mountains; Santiago Canyon; Santiago Creek near jct. of Forest Road 4N20 and BM 3980. 1213 Comment
  SBBG66138  Brickellia californica R. Hoffmann 1928-11-11 Los Angeles Little Rock Dam Comment
  UCR172451  Brickellia longifolia Anuja Parikh, Nathan Gale 2005-7-5 2124 Los Angeles Santa Susana Mtns., Newhall Ranch, slopes south of upper Potrero Canyon, south of Santa Clara River c. 2 mi. east of the Ventura Co. line, study area 19 396 Comment
  CAS-BOT-BC106147  Brickellia nevinii Ernest Braunton 1902-7-8 517 Los Angeles Sherman Comment
  SEINET10533778  Brodiaea coronaria Robert L. Dressler 1952-5-31 Dressler 1222 Los Angeles Along trail from Miller Camp (lower Dalton/Canyon) to Johnstone Peak, San Gabriel Mts. Comment
  RSA158260  Brodiaea kinkiensis Peter H. Raven 1962-5-10 17734 Los Angeles Near head of large canyon due north of Boulder, San Clemente Island 473 Comment
  RSA0097777  Bromus R. G. Swinney 2011-7-8 15491 Los Angeles San Gabriel Mountains: 'Strawberry Potrero'?, uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  SBBG83255  Bromus arizonicus M. Daily 1986-4-7 Los Angeles Bird Rock Comment
  RSA251489  Bromus carinatus R. F. Thorne 1973-4-11 42840 Los Angeles San Clemente Island: Norton Canyon. 274 Comment
  RSA729327  Bromus carinatus R. G. Swinney 1999-6-30 7465 Los Angeles San Gabriel Mtns.: upper Boneyard Canyon c. 300 m south of Camp Jubilee Rd. intersection, Pinon Hills 1463 Comment
  RSA729483  Bromus carinatus R. G. Swinney 1999-6-21 7394 Los Angeles Boulder Canyon, upper end near Hwy 2. Canyon bottom in montane coniferous forest, with weak riparian development. 1805 Comment
  SBBG56591  Bromus carinatus R. Hoffmann 1931-5-4 Los Angeles north Bouquet Cyn Comment
  RSA707811  Bromus carinatus var. carinatus Naomi Fraga, Paul Morton 2004-5-18 1183 Los Angeles On ridgeline of Mount Hillyer, near summit. 1860 Comment
  RSA719752  Bromus carinatus var. carinatus R. G. Swinney, Dave Larson 1996-7-17 5141 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1320 Comment
  CATA1990  Bromus catharticus Steven A. Junak, Mark Hoefs, Sara Crockett 1997-3-27 367 Los Angeles Santa Catalina Island: Skull Canyon, at edge of hayfield at storage yard gate, ca. 0.4 road miles from intersection with Middle Ranch Canyon Road 228 Comment
  RSA746895  Bromus diandrus R. G. Swinney 2005-4-15 8215 Los Angeles Glendora, South Hills, junction of Wild Iris Trail and South Hills Trail 320 Comment
  SBBG13322  Bromus diandrus M. A. Piehl -Jun-1962 62397 Los Angeles cyn E of Thirst 304 Comment
  UC1131179  Bromus diandrus H. A. Jensen 1933-4-10 285 Los Angeles Hollywood Lake 243 Comment
  UCR256172  Bromus diandrus R. G. Swinney 2010-3-22 12000 Los Angeles San Gabriel Mountains, West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  SBBG125451  Bromus grandis A. Parikh, N. Gale 2010-6-17 3319 Los Angeles upper Big Tujunga Cyn, 0.2 km N of St Hwy 2, 0.4 km NE of intersection of St Hwy 2 and upper Big Tujunga Cyn Rd, San Gabriel Mtns 1360 Comment
  SD50765  Bromus grandis Darley F. Howe 1959-6-21 2720 Los Angeles 4.8 miles west of Camp Baldy, roadside. 1372 Comment
  RSA0105486  Bromus hordeaceus R. G. Swinney 2011-3-18 14148 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail. 366 Comment
  RSA585531  Bromus hordeaceus Timothy S. Ross 1992-4-21 6223 Los Angeles San Gabriel Mountains, Glendora Ridge Road: north margin of road pull-out ca 215 meters NW of Horse Canyon Saddle 1024 Comment
  RSA656173  Bromus hordeaceus Joseph M. Keefe 1978-5-23 23202 Los Angeles San Rafael Mountains; Disturbed chaparral near path; 100 meters east of cafeteria, Glendale College, 1500 North Verdugo Road, Glendale. 287 Comment
  SD90602  Bromus hordeaceus Robert F. Thorne 1966-4-16 36064 Los Angeles San Clemente Island; NE side of island; S of Nanny; on steep slope of canyon below Lemon Tank near dump 182 Comment
  SEINET3259903 Image available Bromus hordeaceus R. G. Swinney 2008-3-31 8583 Los Angeles San Gabriel Mtns.; Glendora Mountain summit. 1003 Comment
  UC2052836  Bromus hordeaceus M. B. Dunkle 1939-4-4 7254 Los Angeles San Clemente Island, Pyramid Cove. Comment
  UC905482  Bromus laevipes F. R. Fosberg 1931-4-7 S 4501 Los Angeles Santa Catalina Island, Hamilton Beach Hamilton Beach; Santa Catalina Island, Hamilton Beach 10 Comment
  UCR147606  Bromus laevipes Naomi Fraga, Paul Morton 2004-5-18 1183 Los Angeles Transverse Ranges; San Gabriel Mountains region, On ridgeline of Mount Hillyer, near summit 1860 Comment
  CDA1837  Bromus madritensis subsp. rubens L. C. Wheeler 1972-5-21 s.n. Los Angeles San Gabriel Mountains: Millard Canyon, just about at the national forest boundary. . 0 Comment
  UC589651  Bromus madritensis subsp. rubens Nell Murbarger April 1936 128 Los Angeles San Clemente Island Comment
  RSA632439  Bromus pseudolaevipes Valerie L. Soza, LeRoy Gross 1999-7-15 624 Los Angeles San Gabriel Mountains: Mt. Wilson Trail, north of junction with Upper Winter Creek Trail, southeastern side of Mount Harvard. 1341 Comment
  CAS-BOT-BC161860  Bromus rubens Le Roy Abrams 1901-4-1 1207 Los Angeles Ballina Habor. Comment
  RSA127916  Bromus rubens P. H. Raven, H. J. Thompson 1959-5-5 14147 Los Angeles Mulholland Highway, 1 mile W of Las Virgenes Road; Malibu Creek drainage. 305 Comment
  RSA708691  Bromus rubens Valerie L. Soza, Miriam Sidibeh 2003-3-26 1596 Los Angeles North side of La Tuna Canyon, Haines Canyon Park vicinity, south of Dorothy and Estepa Dr. intersection. 625 Comment
  LA13694  Bromus rubens A. M. Johnson; 1932-4-6 sn Los Angeles Comment
  UCR127235  Bromus tectorum Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2916 Los Angeles Santa Susana Mtns., Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. 915 Comment
  CDA20158  Cakile maritima M. O'Brien 2003-5-18 MOB 19 -03 Los Angeles South Coast; Malibu Lagoon State Beach. 0 Comment
  RSA656004  Calandrinia ciliata James Henrickson 1985-3-30 19760 Los Angeles 3 air mi. NNW of Newhall in proposed North Hills development just north of Santa Clara River and just E of San Francisquito Creek. 370 Comment
  UCR124750  Calandrinia ciliata B. C. Templeton, I. W. Clokey 1930-4-2 1407 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive northwest of Hollywood 610 Comment
  RSA466542  Calandrinia ciliata Thekla Mohr s.n. Los Angeles Los Angeles Comment
  RSA630750  Calandrinia ciliata L. C. Wheeler 1973-4-8 s.n. Los Angeles Kagel Canyon. 601 Comment
  SEINET9097244  Calandrinia ciliata var. menziesii I. W. Clokey, B. C. Templeton 1930-4-2 4610 Los Angeles Santa Monica Mountains, Mulholland Drive. 600 Comment
  RSA0081390  Calocedrus decurrens R. G. Swinney 2010-9-13 13810 Los Angeles Crystal Lake, within 100 m of shoreline. 1683 Comment
  LA22352  Calochortus clavatus Carl Epling; May 1927 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  SEINET269177  Calochortus clavatus var. gracilis Scott D. White, Chet McGaugh 1995-5-16 3074 Los Angeles E edge of Santa Susana Mts W of San Gabriel Mts W of San Fernando Rd. I-5 Fwy SW of interchange w/SR 14 Fwy Sunshine Cyn 457 Comment
  RSA0135554  Calochortus plummerae David E. Bramlet 2004-5-24 3593 Los Angeles Peninsular Ranges; Chino-Puente Hills region: Whittier Hills, Landfill Cyn. No. 8. 183m East of Skyline Dr., 1km N of Turnbull Cyn., & 1.56km W of Orange Grove Ave. 318 Comment
  UC1134558  Calochortus plummerae Jerome S. Horton 1935-7-4 201 Los Angeles San Dimas Lookout Road San Dimas Experimental Forest, Pomona Quad. 762 Comment
  POM246449  Calochortus splendens F. R. Fosberg 1931-4-23 S- 4690 Los Angeles SE slopes of Black Jack Mountain, Santa Catalina Island 350 Comment
  UCR282009  Calochortus splendens R. G. Swinney 2014-5-19 16578 Los Angeles San Gabriel Mountains, Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Motorway 515 Comment
  UCD77255  Calochortus striatus Robert E. Preston 1998-6-19 1148 Los Angeles Lancaster, ca. 0.1 mi N of Avenue G, between railroad tracks and utility right-of-way. 705 Comment
  CAS-BOT-BC496758  Calochortus venustus Tim Ross; Steve Boyd 1993-5-23 7256 Los Angeles Saddle between Red Mtn's lone E ridge and a small notched peak (3227-ft), ca 700 m SSW of Plum Spring (in upper clearwater Canyon). 908 Comment
  SFV20976  Calochortus venustus L. Gross, V. Soza 2003-5-15 921 Los Angeles Verdugo Mountains Northwest side of mountains. Crestline Drive (fire road) just north of 210 Freeway. Enter on the west side at Topley Lane off of Newhome Ave. in Sunland. 518 Comment
  RSA735912  Calochortus weedii var. intermedius Justin M. Wood 2008-5-28 5 Los Angeles California State Polytechnic University, Pomona. Ecological reserve in the hills above parking lot J. 305 Comment
  JEPS18471  Calyptridium monandrum Rimo Bacigalupi with J. Robert Sweeney 1957-5-12 5875 Los Angeles 1/4 mi above U.S. Army Nike launching site (above Las Flores Canyon); Santa Monica Mountains 274 Comment
  UCR150713  Calyptridium monandrum R. G. Swinney 1998-4-14 5977 Los Angeles San Gabriel Mtns./Southern Mojave Desert, Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands 1299 Comment
  UCD149831  Calyptridium monandrum R. Allemand; William Anderson 1965-5-13 s.n. Los Angeles Pearblossom. Comment
  UCR131528  Calystegia macrostegia Steve Heyn 2001-4-24 01 Los Angeles South Coastal Plains Region, Palos Verdes Peninsula, Rancho Palos Verdes, west slope of Crenshaw Canyon just south of Palos Verdes Drive North 30 Comment
  CAS-BOT-BC224312  Calystegia macrostegia subsp. amplissima Dr. Barton W. Evermann 1918-3-25 s.n. Los Angeles San Clemente Isl. Comment
  SBBG31554  Calystegia macrostegia subsp. amplissima R. M. Beauchamp 1967-3-18 317 Los Angeles W of Wilson Cove Comment
  RSA482508  Calystegia macrostegia subsp. arida Richard Noyes, L. Arnseth 1988-4-30 506 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Dry drainage bed 100 meters east of Thompson Creek Dam. 500 Comment
  CAS-BOT-BC215800  Calystegia macrostegia subsp. intermedia Geo. B. Grant 1905-4-19 212 Los Angeles Garvanza Comment
  POM50594  Calystegia macrostegia subsp. intermedia L. R. Abrams 1901-04 1359 Los Angeles San Fernando Mts. 762 Comment
  RSA71099  Calystegia macrostegia subsp. intermedia F. W. Peirson 1920-4-22 151 Los Angeles foothills east of Rubio Canyon 533 Comment
  RSA595676  Calystegia malacophylla subsp. pedicellata T. S. Ross, Victor W. Steinmann 1995-5-8 8545 Los Angeles Lower Spunky Canyon: easterly slope at the effluence of the canyon into Bouquet Reservoir. 916 Comment
  RSA465653  Camissonia Elbert Benjamine 1929-3-3 71 Los Angeles Tujunga. Comment
  RSA758001  Camissonia bistorta D. E. Bramlet, Jennifer Pareti 2008-4-14 4187 Los Angeles Transverse Ranges; Liebre Mtns region: Bouquet Canyon. 762 m SE of Bouquet Cyn Rd, & 549 m S Hayfork Rd. Comment
  RSA465659  Camissonia bistorta M. B. Dunkle 1933-4-19 3323 Los Angeles Palos Verdes Hills. Comment
  RSA226168  Camissonia californica Gary D. Cromwell, David W. Wheat 1971-5-14 641 Los Angeles San Gabriel Mountains, Mystic Canyon, 2 miles NE of Glendora Comment
  UCR270501  Camissonia campestris R. G. Swinney 2011-5-26 14850 Los Angeles San Gabriel Mountains, 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1073 Comment
  RSA587263  Camissonia campestris subsp. campestris Orlando Mistretta 1994-5-13 1214 Los Angeles San Gabriel Mts, Little Rock Creek. 1067 Comment
  UCR263630  Camissonia campestris subsp. campestris Barbara Ertter, L. R. Heckard, T. Sholars, James C. Hickman, et al. 1988-5-23 7478 Los Angeles San Gabriel Mountains, Pine Canyon Road along the San Andreas Fault, on the north side of the mountains 1220 Comment
  UCR270048  Camissonia campestris subsp. campestris R. G. Swinney 2011-4-20 14432 Los Angeles San Gabriel Mountains, Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 mile upstream in Hunt Cyn. 1268 Comment
  UCR273548  Camissonia confusa R. G. Swinney 2011-6-22 15242 Los Angeles San Gabriel Mountains, Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy 1790 Comment
  RSA525090  Camissonia hirtella Tim S. Ross, Steve D. Boyd 1990-6-6 2847 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  RSA0019895  Camissonia intermedia Orlando Mistretta, Youssef Atallah 2011-8-16 6033 Los Angeles Aliso Canyon, 0.8 miles south of junction of Aliso Canyon Road and Angeles Forest Highway. 1295 Comment
  RSA144813  Camissonia pallida subsp. pallida E. G. Linsley, J. W. MacSwain 1959-4-5 59 -69 Los Angeles Little Rock. Comment
  SEINET7047921  Camissonia pallida subsp. pallida Steven R. Hill, Kate Kramer 2001-4-22 33370 Los Angeles South side of California Route 138 (Pearblossom Highway) just east of Palmdale and about 1 mile west of Little Rock; west side of Little Rock Wash. Elevation about 2820 feet. Comment
  UCR282003  Camissonia strigulosa R. G. Swinney 2014-5-1 16319 A Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, east end of Holcomb Ridge, 2.2 road miles east of jct. of Bob's Gap Rd. and Panorama Rd., from base of ridge at Panorama Rd. to high point at 4519 ft. 1378 Comment
  RSA618100  Camissonia strigulosa Louis C. Wheeler 1967-5-18 9644 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  JEPS31579  Camissoniopsis bistorta F. W. Peirson 1918-5-26 129 Los Angeles Henniger Flats San Gabriel Mts. 868 Comment
  CAS-BOT-BC160441  Camissoniopsis cheiranthifolia subsp. suffruticosa H. Wedberg 1957-3-24 9 Los Angeles On the beach at intersection of Birdview Drive x Westward Beach Road, Point Dume Comment
  LA32209  Camissoniopsis cheiranthifolia subsp. suffruticosa Peter H. Raven; 1959-3-15 13855 Los Angeles Santa Monica Mountains, Zuma Beach, along shore east of Zuma Beach 9 Comment
  LA46800  Camissoniopsis hirtella W. O. Griesel; 1936-5-17 sn Los Angeles Santa Monica Mountains, Decker Road near Mulholland Hwy Comment
  SFV7992  Camissoniopsis hirtella T. Gordon, M. H. Grayum, K. Felt 1976-5-7 1358 Los Angeles San Gabriel Mountains On hillside adjacent to lower Trail Canyon. 793 Comment
  UC1871153  Camissoniopsis ignota T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4924 Los Angeles Transverse Ranges; Liebre Mountains region; Castaic Creek: confluence of Fish Canyon and general vicinity. T6N R17W SE 1/4 section 16, and N 1/2 NE 1/4 section 22; elevation 1615'-1880' (riparian area and lower adjacent slopes). Comment
  LA46204  Canbya candida Carl Epling; 1926-4-24 sn Los Angeles Antelope Valley, Palmdale Comment
  LA200317  Capsella bursa-pastoris M. Zartlin; 1951-3-10 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  POM16374  Cardaria draba Grethe Markedahl 1923-3-12 s.n. Los Angeles Near Long Beach Comment
  RSA0102536  Carex Richard G. Swinney 2010-9-30 13896 Los Angeles San Gabriel Mountains: 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs. 2290 Comment
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Sep 12 2018
  JEPS45918  Carex alma Louis C. Wheeler 1933-7-4 1897 Los Angeles San Dimas Canyon San Gabriel Mts., San Dimas Canyon 533 Comment
  JEPS48980  Carex alma Joseph A. Ewan 1931-8-13 4897 Los Angeles Big Cienega above Crystal Lake, San Gabriel Mountains 1981 Comment
  RSA594654  Carex alma L. C. Wheeler 1967-7-30 10266 Los Angeles San Gabriel Mountains. All Trail Canyon, BM 3434 near Tom Lucas campground 1006 Comment
  RSA630258  Carex alma Scott D. White, David E. Bramlet 1998-8-11 7035 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mile closed section of Highway 39 from ca. 1.6 mile W of junction Crystal Lake access road to junction Highway 2. 1707 Comment
  CAS-BOT-BC19230  Carex barbarae Ernest Braunton 1903-1-20 802 Los Angeles Oak Knoll. Comment
  RSA0033679  Carex fracta Duncan S. Bell, Sarah Fisher, Carrie Kiel 2013-7-23 5433 Los Angeles Sheep Mountain Wilderness; Vincent Gulch, near head of canyon. 1994 Comment
  RSA762706  Carex fracta R. G. Swinney 2008-7-24 9337 Los Angeles Waterman Mountain, ski runway on east-facing slope 2390 Comment
  CAS-BOT-BC32081  Carex multicaulis George B. Grant 1901-5-1 s.n. Los Angeles Mt. Lowe Comment
  SEINET10652996  Carex multicaulis Jason R. Grant, W. Wheeler 1904-5-17 Grant 138 /6223 Los Angeles Mt. Wilson 2 Comment
  CAS-BOT-BC117943  Carex schottii George Bernard Grant 1904-5-1 137 a Los Angeles Pasadena. Comment
  CAS-BOT-BC117944  Carex schottii George Bernard Grant 1904-4-1 137 a Los Angeles Pasadena. Comment
  SBBG119541  Carex schottii V. Soza, L. Moore 2000-6-14 1015 Los Angeles spring at Big Cienega, ca. 0.6 mi NE of Deer Flat Cmpgrd along S Hawkins Rd (FS Rd 3NO7.2) 1981 Comment
  CAS-BOT-BC117932  Carex schottii LeRoy Abrams 1899-3-1 200 Los Angeles Cinega Comment
  RSA588920  Carex senta Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-8 2932 Los Angeles Upper Big Tujunga Canyon: margin of Big Tujunga Creek and toes of the slopes immediately west (ca 1.6 air miles ENE of Barely Flats). 1213 Comment
  UCR265497  Carex spissa Dan S. Cooper 2015-4-29 2015- 38 Los Angeles Western Transverse Range; Santa Monica Mountains, Monte Nido, Cold Creek at end of Pony Cross Rd. 159 Comment
  UCR192860  Carex subfusca R. G. Swinney 1998-7-14 6427 Los Angeles San Gabriel Mtns., Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine 2195 Comment
  SD51674  Carex triquetra F. R. Fosberg 1931-4-16 S 4645 Los Angeles Santa Catalina Island, Eagles Nest, Middle Ranch Canyon, dry steep south wall. Comment
  SEINET10837334  Carissa macrocarpa David B. Dunn 1971-8-11 Dunn 18106 A Los Angeles Cultivated plants at 4911 Pasadena Ave. Terrace, Highland Park, CA. Comment
  RSA425856  Castilleja affinis Reid V. Moran 1941-2-25 609 Los Angeles At Wilson's Harbor [Emerald Bay?], north side of Catalina Island Comment
  UCR205174  Castilleja applegatei R. G. Swinney 2008-4-11 8646 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  RSA595466  Castilleja applegatei subsp. martinii Louis C. Wheeler 1970-3-28 s.n. Los Angeles San Gabriel Mountains. Bootleggers Canyon. 884 Comment
  RSA632433  Castilleja applegatei subsp. martinii Valerie L. Soza, Kent Hughes 1999-7-1 606 Los Angeles San Gabriel Mountains: Van Tassel Ridge, off Van Tassel Ridge road, vicinity of Mt. Bliss. 1037 Comment
  POM4234  Castilleja applegatei subsp. martinii D. L. Crawford 1915-6-30 s.n. Los Angeles Bear Flats, mountains above Claremont 2134 Comment
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Jan 20 2011
  SBBG53203  Castilleja exserta S. A. Junak 1978-4-15 SCa 29 Los Angeles just W of Chester grave site on N side of Cherry Cove Comment
  UCR214032  Castilleja exserta A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37954 Los Angeles Tehachapi Mountains, Crane Canyon, 1.0 mi. SE (144 deg. ) of Castac Lake, 1.7 mi. NE (43 deg. ) of Gorman, just S of Kern Co. line 1189 Comment
  RSA402089  Castilleja exserta subsp. exserta Thekla Mohr 1917-03 3460 Los Angeles San Gabriel Mountains. Comment
  RSA670420  Castilleja foliolosa Bonnie C. Templeton 1929-05 4470 Los Angeles Mandeville Canyon, Santa Monica Mountains. 300 Comment
  IRVC26134  Castilleja miniata B. C. Templeton 1932-7-20 5009 Los Angeles Big Pines Park, Angeles National Forest San Gabriel Mtns. 1982 Comment
  UCR194577  Castilleja miniata R. G. Swinney 1998-7-29 6536 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
  RSA639166  Castilleja miniata subsp. miniata Louis C. Wheeler 1967-9-3 10634 Los Angeles San Gabriel Mountains; Prairie Fork. 2317 Comment
  UCR209634  Castilleja minor subsp. spiralis R. G. Swinney 2008-10-10 9546 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  SEINET3155948  Casuarina equisetifolia G. B. Grant 145 Los Angeles Pasadena Comment
  UCR215249  Caulanthus amplexicaulis LeRoy Gross, Duncan Bell 2008-5-27 3424 Los Angeles Transverse Ranges; San Gabriel Mountains, East Mill Creek and Angeles Forest Highway, west from Falcon Mine, SW of Mill Creek Summit, along side of Road 4N18.1 1311 Comment
  RSA611649  Caulanthus cooperi Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10079 Los Angeles Liebre Mountains region: Anaverde Valley at north base of Sierra Pelona. 976 Comment
  UC1595473  Caulanthus cooperi Tim Ross 1992-4-4 6090 Los Angeles Adobe Mtn Adobe Mtn Quad., sw Mojave Desert, Adobe Mountain 926 Comment
  SEINET12005201  Caulanthus coulteri H. M. Hall 1902-1 3060 Los Angeles Antelope Valley, vicinity of Elizabeth Lake 1067 Comment
  SBBG72126  Caulanthus heterophyllus M. N. Ackley -Feb-1928 147 Los Angeles Eagle Rock (cf. var. pseudosimulans Buck, nom. illegit.) Comment
  UCR200134  Caulanthus heterophyllus Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 771 Los Angeles Verdugo Mountains, south side, above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Motorway 518 Comment
  CATA2940  Caulanthus lasiophyllus Sarah Ratay 2010-4-6 117 Los Angeles Santa Catalina Island: Camp Cactus, on little ridge with previous Dissanthelium population, Oak Releve 158 Comment
  RSA0108890  Caulanthus lasiophyllus R. G. Swinney 2011-4-1 14309 Los Angeles San Gabriel Mountains/SW Mojave Desert: WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  UCR194255  Caulanthus lasiophyllus R. G. Swinney 1998-8-5 6661 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch 1235 Comment
  RSA177843  Ceanothus arboreus Robert F. Thorne, Percy C. Everett 1965-5-10 34447 Los Angeles W slope of Black Jack Mt. Santa Catalina Island. 503 Comment
  RSA581011  Ceanothus crassifolius Jamie Kneitel 1994-4-28 38 Los Angeles San Gabriel Mountains: Dexter Park 610 Comment
  RSA640798  Ceanothus crassifolius Louis C. Wheeler 1931-1-13 s.n. Los Angeles Mills Place: (vicinity of Claremont). Comment
  SFV22142  Ceanothus crassifolius V. Soza, E. Edwards, L. Gross, B. O'Brien 2000-4-25 764 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mountainway. Open, west-northwest-facing slope below trail along ridgetop. 488 Comment
  UCD111439  Ceanothus crassifolius Kenneth A. Wilson 1961-2-8 842 Los Angeles Santa Susana Mountains. On Route 99 about 1 mile south of Route 6 intersection. Comment
  UCR155626  Ceanothus cuneatus A. C. Sanders 2005-5-11 30138 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Canyons 655 Comment
  RSA758808  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2009-3-30 DOB 1071 c Los Angeles Sierra Pelona Mountains, Ruby Canyon, 0.6 road miles east of lake Hughes Road via dirt road leading east into Ruby Canyon, 14.6 km 27 degrees true north-northeast of Castaic. 615 Comment
  RSA95404  Ceanothus integerrimus F. W. Peirson 1920-5-16 2138 Los Angeles Delta Canyon branch of Tujunga Canyon, west end of San Gabriel Mountains 518 Comment
  CAS-BOT-BC50528  Ceanothus leucodermis Le Roy Abrams 1901-4-6 1371 Los Angeles Big Tehunga Wash Comment
  LA30353  Ceanothus leucodermis Mary V. Hood; 1943-7-11 43- 84 -k* Los Angeles San Gabriel Mountains, Rd. near Charlton Flats 1310 Comment
  UCR142077  Ceanothus leucodermis A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al 2003-4-30 26254 Los Angeles Western San Gabriel Mtns., Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment
  RSA0016938  Ceanothus leucodermis J. D. Olmsted 1959-5-6 560 Los Angeles Along Glendora Mtn road 1/4 mile above Camp Baldy, San Gabriel Mtns; Drainage area: San Antonio Creek 1402 Comment
  SBBG94261  Ceanothus megacarpus var. insularis F. R. Fosberg 1931-5-6 4796 Los Angeles Cape Cyn 240 Comment
  UC557730  Ceanothus megacarpus var. insularis Nell Murbarger April, 1936 165 Los Angeles w side of San Clemente Island Comment
  CAS-BOT-BC51438  Ceanothus megacarpus var. megacarpus Peter H. Raven; Robert F. Thorne 1964-5-7 19028 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mountains Comment
  LA43630  Ceanothus megacarpus var. megacarpus Harlan Lewis; 1940-2-24 1069 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon 304 Comment
  SBBG68433  Ceanothus megacarpus var. megacarpus unknown -May-1893 Los Angeles Cahuenga Pass Comment
  CAS-BOT-BC50496  Ceanothus oliganthus W. R. Dudley 1907-12-1 s.n. Los Angeles Saw-pit Canyon (near Monrovia) Comment
  LA105367  Ceanothus oliganthus Barry A. Prigge; 1989-4-23 8468 Los Angeles Santa Susana Mountains, Devil Canyon, 1.4 air miles NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 510 Comment
  UCR217141  Ceanothus oliganthus Jonas A. Winbolt, Rocky Brown 2010-8-20 004 Los Angeles Western Transverse Range, south of Santa Clarita, north side of Hwy I-5 and the Old Road, southeast of trailer park along powerline corridor 956 Comment
  UCR277240  Ceanothus oliganthus R. G. Swinney 2010-5-25 12929 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  JEPS42411  Ceanothus oliganthus var. oliganthus Frank W. Peirson 1918-6-30 113 Los Angeles Toll Road Mt. Wilson; , Toll Road 1280 Comment
  LA42092  Ceanothus spinosus Harlan Lewis; 1940-2-24 1076 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon 304 Comment
  UC1071379  Ceanothus spinosus H. A. Jensen 1933-4-10 287 Los Angeles Hollywood Lake 243 Comment
  RSA0005502  Ceanothus spinosus Anstruther Davidson 1917-06 3232 Los Angeles Crescenta. Comment
  UCR190425  Ceanothus vestitus R. G. Swinney 2001-6-16 7984 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
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Mar 12 2017
  RSA596446  Centaurea melitensis Steve Boyd, Mark Elvin, Victoria Jotikasthira 1996-6-25 8868 Los Angeles Liebre Mountains, along the Ridge Route west of Castaic Canyon, 1.3 miles north of the junction with Templin Highway, just north of small development on private land. 854 Comment
  UCR174531  Centaurea melitensis Jennifer H. Jones 2006-6-4 373 Los Angeles Transverse Ranges; Foothills of San Gabriel Mtns., SW of Claremont Wilderness Park near the W end of Pomello Drive. Dirt continuation of Pomello Drive across flood control channel. 476 Comment
  UCR260346  Centaurea melitensis R. G. Swinney 2010-5-4 12565 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
  RSA534047  Centaurea melitensis Timothy S. Ross, Orlando Mistretta 1991-5-19 5271 Los Angeles San Clemente Island. Westerly fork of Near-Death Canyon, draining to Mosquito Cove. 1800 ft SE of Malo Knoll 426 Comment
  RSA652574  Centaurea melitensis R. Nilsen 1955-5-28 s.n. Los Angeles 1/2 mile W. Cal. Poly, San Dimas. 251 Comment
  SBBG98578  Centranthus ruber T. Ross 1991-4-21 4498 Los Angeles Whittier Hills (Puente Hills, pro parte), E-facing rd embankment along Turnbull Cyn Rd 274 Comment
  SBBG60907  Centromadia parryi subsp. australis L. G. Yates 1895-1 Los Angeles Los Angeles Comment
  CAS-BOT-BC179813  Centrostegia thurberi Roxana S. Ferris 1918-6-12 941 Los Angeles 5 miles S of Lancaster Comment
  CAS-BOT-BC179814  Centrostegia thurberi Roxana S. Ferris 1918-6-12 940 Los Angeles 5 miles S of Lancaster Comment
  SD234488  Centrostegia thurberi R. G. Swinney 1998-6-12 6965 Los Angeles San Gabriel Mtns.: 3 miles west of Pinon Hills, 2.1 mi. south of Ft. Tejon Rd. at 237 th Street East (Mescal Cyn. Rd.), 0.7 mi. NE of mouth of Mescal Canyon at reservoir, between Mescal Cyn. Rd. and Mescal Creek. 1378 Comment
  UCR273190  Cerastium glomeratum R. G. Swinney 2011-4-26 14475 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  UCR274988  Cerastium glomeratum Michael Honer, Rachel Woodard 2006-4-20 2213 Los Angeles Tehachapi Mountains area:, Oso Canyon area; c. 1/2 mi. north of Quail lake; 1 mile west of cement plant rd. 1037 Comment
  POM6432  Cerastium glomeratum L. T. Street, G. Williams 1919-4-12 2611 Los Angeles Puente [now La Puente]. Comment
  RSA762068  Cerastium glomeratum Orlando Mistretta, Christine Mistretta 2008-5-16 3093 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 107 per TRTP Survey 2008), Upper Fish Canyon 1073 Comment
  RSA453281  Cercocarpus betuloides Howard Mullins 1931-3-15 s.n. Los Angeles Santa Susana Pass Comment
  CAS-BOT-BC142143  Cercocarpus betuloides var. betuloides John Thomas Howell 1928-3-2 3366 Los Angeles Vermont Canyon, Griffith Park Comment
  CAS-BOT-BC142144  Cercocarpus betuloides var. betuloides Alice Eastwood 1928-6-15 15377 Los Angeles Claremont Comment
  RSA569955  Cercocarpus betuloides var. betuloides Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4867 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  UC1127932  Cercocarpus betuloides var. betuloides R. St. John 1930-1-20 73 Los Angeles 2 1/2 mi e of Triunfo Pass 640 Comment
  CAS-BOT-BC147719  Cercocarpus betuloides var. traskiae Robert F. Thorne 1967-5-18 36877 Los Angeles Santa Catalina Island: slope of Wild Boar Gully 137 Comment
  CAS-BOT-BC279530  Chaenactis artemisiifolia Geo. B. Grant 1904-6-15 166 Los Angeles Pasadena Comment
  POM6063  Chaenactis artemisiifolia Otis Hiatt 1906-6-3 s.n. Los Angeles Topanga Canyon, Santa Monica Mts. Comment
  RSA003818  Chaenactis artemisiifolia Fay A. MacFadden 1930-4-30 1540 Los Angeles Verdugo Mountains: Tuna Canyon. 335 Comment
  RSA225712  Chaenactis artemisiifolia R. F. Thorne, A. C. Gibson 1971-5-22 39718 Los Angeles San Gabriel Mountains: Near mouth of Fish Canyon. 244 Comment
  SEINET11860834  Chaenactis douglasii var. achilleifolia I. W. Clokey, Templeton, B. 1929-1 4489 Los Angeles Mandeville Canyon, Santa Monica Mountains 250 Comment
  UCSB6425  Chaenactis glabriuscula B., K.; T., S. 1944-6-13 Los Angeles Chapman Burn, San Dimas Experimental Forest, San Gabriel Mountains Comment
  RSA648719  Chaenactis glabriuscula Hasmig Babayan 1981-4-26 3 Los Angeles West for trail of San Gabriel river off CA Hwy 39. Comment
  UC1211166  Chaenactis glabriuscula var. glabriuscula Huron H. Smith 1912-5-3 4916 Los Angeles Azusa 243 Comment
  POM96909  Chaenactis glabriuscula var. lanosa Philip A. Munz 1925-4-19 9382 Los Angeles Pacoima Canyon wash, near San Fernando Comment
  RSA0025173  Chaenactis santolinoides Jane Tirrell 2012-6-27 LS 0085 Los Angeles North-facing slope of small open crest above Pacific Crest Trail, approximately 0.6 miles east of Windy Gap. 2517 Comment
  RSA152484  Chaenactis santolinoides R. C. Bacigalupi, G. T. Robbins, L. R. Heckard 1953-6-14 4189 Los Angeles Upper slopes of the So. Fork of Little Rock Creek Canyon, higher north slopes of the San Gabriel Mts, Angeles National Forest. 1554 Comment
  UC31033  Chaenactis santolinoides A. J. McClatchie 1896-5-25 Los Angeles Wilson's Peak Comment
  UCSB9511  Chaenactis santolinoides Bacigalupi, Rimo; Robbins, G.; Heckard, L. 1953-6-14 Los Angeles Upper slopes of So. Fork of Little Rock Creek Canyon; San Gabriel Mts., Angeles National Forest 1554 Comment
  RSA772397  Chaenactis stevioides R. G. Swinney 2009-5-12 10724 Los Angeles Transverse Range, San Gabriel Mountains, Alimony Ridge, Junction of Alimony Ridge & Alimony Ridge Rd. and to 0.5 mi NW up ridge. 1435 Comment
  UC520033  Chamaesyce albomarginata Joseph Andorfer Ewan 1932-7-11 7473 Los Angeles Loma Drive, Van Nuys Estate Comment
  POM2854  Chamaesyce albomarginata L. R. Abrams 1902-5-31 2480 Los Angeles Railroad embankment. Inglewood. Comment
  RSA435964  Chamaesyce albomarginata Robert Gustafson 1981-5-15 2227 Los Angeles Ballona Wetlands, Area 3 Comment
  RSA704707  Chamaesyce serpens Gary D. Wallace, C. Black, D. Cohen, R. Lavenburg 1983-6-29 2087 Los Angeles Santa Catalina Island: Twin Harbors area Marine Station. Comment
  POM187701  Chamaesyce serpillifolia Joseph A. Ewan 1931-10-24 5270 Los Angeles I mile above Malibu Lake Comment
  UC450211  Chamaesyce serpyllifolia Geo. B. Grant 425 a Los Angeles Pasadena Comment
  RSA685706  Cheilanthes covillei Geo L. Moxley 1910-7-20 419 Los Angeles Mt. Washburb, Near Switzers Camp, Arroyo Seco Canyon Comment
  RSA771638  Cheilanthes covillei R. G. Swinney 2009-6-2 10986 Los Angeles East slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  RSA587482  Cheilanthes covillei Orlando Mistretta, Steve Boyd, Darin Banks 1994-4-29 1131 Los Angeles San Gabriel Mountains. Santiago Canyon. Slopes W of main drainage below Mt Emma. 1220 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
  RSA594677  Chenopodium album L. C. Wheeler 1970-8-2 s.n. Los Angeles San Gabriel Mountains. Henninger Flats. 792 Comment
  IRVC28749  Chenopodium berlandieri A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25538 Los Angeles Newhall Ranch, central Potrero Canyon, at circular cement cattle trough on south side of valley NE end of Santa Susana Mtns. 366 Comment
  SD248396  Chenopodium berlandieri R. G. Swinney 2010-8-30 13609 Los Angeles San Gabriel Mountains: East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon borrom/Gabrieleno Trail to 0.5 mile upstream (Mt. Wilson 7.5'Q) 594 Comment
  RSA602480  Chenopodium botrys Scott D. White 1997-5-8 5092 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir. 365 Comment
  RSA603322  Chenopodium botrys Scott D. White 1997-5-21 5191 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
  RSA589067  Chenopodium botrys Orlando Mistretta 1994-6-6 1331 Los Angeles San Gabriel Mountains: Little Rock Creek, Slopes on E side of canyon S of junction of Forest Service roads 4N15 and 5N04.3 1220 Comment
  RSA726042  Chenopodium californicum R. G. Swinney 1998-4-14 6005 Los Angeles San Gabriel Mtns./Southern Mojave Desert: Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St., W of Mescal Creek Canyon, Mescal Highlands. 1299 Comment
  UCR130844  Chenopodium californicum David Charlton 1989-4-7 2829 Los Angeles San Gabriel Mtns. (NW), Soledad Pass, Kentucky Springs development, 1 mile south of Hwy 14 on Angeles Forest Hwy (N-3), c. 5 mi. (airline) south of Palmdale 1037 Comment
  RSA0041746  Chenopodium fremontii T. S. Ross 1990-8-17 3179 Los Angeles San Gabriel Mountains: S side of Prairie Fork, in the vicinity of Columbine Spring. 2183 Comment
  RSA202467  Chenopodium multifidum R. L. Armacost 1963-6-6 1668 Los Angeles Freeway area East of Cloverfield, Santa Monica. Comment
  RSA624498  Chenopodium pumilio L. C. Wheeler 1936-6-8 4137 Los Angeles San Gabriel Mountains: Mouth of Bell Canyon. 609 Comment
  SEINET4565666  Chloris gayana P. Kennedy 1920-7-31 3529 Los Angeles Los Angeles Comment
  CAS-BOT-BC237977  Chloropyron maritimum subsp. maritimum Le Roy Abrams 1901-6-6 1714 Los Angeles Ballona Harbor Comment
  SBBG61715  Chorizanthe brevicornu var. brevicornu R. Hoffmann 1927-6-14 Los Angeles Palmdale Comment
  CAS-BOT-BC179029  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-BC252765  Chorizanthe parryi var. fernandina Le Roy Abrams 1901-4-1 1337 Los Angeles Chatsworth Park Comment
  NY468363  Chorizanthe parryi var. fernandina A. Eastwood 1913-5-11 3139 Los Angeles San Fernando Wash Comment
  UC52602  Chorizanthe parryi var. parryi Dr. A. Davidson June 1896 Los Angeles Lancaster Comment
  CAS-BOT-BC246330  Chorizanthe spinosa James L. Reveal 1988-5-17 6794 Los Angeles Antelope Valley, along 60th Avenue 0.2 mile north of J Street, on the west side of the highway west of the Mira Loma Rehabilitation Center (or Detention Facility), about 6 air miles west of Lancaster 716 Comment
  CAS-BOT-BC244665  Chorizanthe staticoides Samuel B. Parish 1887-6-1 1986 Los Angeles Rock Cr. Border of Mojave Desert Comment
  IRVC28995  Chorizanthe staticoides A. C. Sanders, Mark A. Elvin 2003-6-18 26939 Los Angeles along road on crest of range from Salt Canyon, north of head of El Toro Canyon, Newhall Ranch Santa Susana Mountains 854 Comment
  RSA608836  Chorizanthe staticoides Louis C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: Oak Spring Canyon. 945 Comment
  UCR124966  Chorizanthe staticoides Geo. L. Moxley, Grinnell 1916-6-15 481 Los Angeles Western Transverse Ranges, Hills near Santa Susana Pass, Santa Susana Mtns. 500 Comment
  UCR125432  Chorizanthe staticoides A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25717 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Grapevine Mesa' c. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon 335 Comment
  RSA698751  Chorizanthe watsonii LeRoy Gross, Paul Morton 2004-6-9 1360 Los Angeles West end of the main crest; From the Pacific Crest Trail (from the south) along road (7N23) pass the second Pacific Crest Trail that exits off north of the road., Finish near the NW corner of section 3 and started at the west end of section 12, west of Bear Gulch Camp. About a 4 mile hike from east to west (This for the Angeles National Forest road surveys.) 1732 Comment
  RSA727370  Chorizanthe watsonii R. G. Swinney 1998-5-16 6075 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  RSA747352  Chorizanthe watsonii R. G. Swinney 2008-5-8 8802 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
  UCR92661  Chrysanthemum coronarium Scott D. White 1996-4-9 3886 Los Angeles Pacific Coast, Marina del Rey area, Ballona Creek floodplain and adjacent N-facing slope, west of Lincoln Blvd. and south of Jefferson Blvd 30 Comment
  POM351979  Chrysothamnus nauseosus subsp. hololeucus L. E. Hoffman 1931-11-9 s.n. Los Angeles Mojave Desert, Little Rock Creek. Comment
  RSA600677  Chrysothamnus nauseosus subsp. hololeucus L. C. Wheeler 1967-11-18 s.n. Los Angeles San Gabriel Mountains : Sycamore Flat Campground; Big Rock Creek 1310 Comment
  UC20921  Cicuta maculata var. bolanderi unknown Los Angeles Los Angeles Comment
  UC1873026  Cirsium occidentale var. coulteri John Knapp, Denise Knapp 2003-4-13 34 Los Angeles Catalina Island 130 Comment
  CAS-BOT-BC285597  Cirsium occidentale var. occidentale Alice Eastwood 1919-6-21 9062 Los Angeles San Fernando Comment
  SBBG19177  Cistanthe maritima M. A. Piehl 1963-12-7 631048 Los Angeles open edge of mesa across SE tip from Pyramid Head 22 Comment
  CAS-BOT-BC438745  Cistanthe monandra Roxana S. Ferris 1918-6-12 950 Los Angeles 3 miles above Acton on Palmdale-Saugus Road Comment
  RSA599488  Cistanthe monandra Steve Boyd, Lauren Raz 1997-3-25 9313 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
  RSA784352  Cistanthe monandra Anna Kostikova, Glenn Litsios, Sarah Burgy 2010-6-16 11 Los Angeles road 7N23 turn from road 7N08 Comment
  RSA748335  Cistus incanus Justin M. Wood 2009-6-1 803 Los Angeles Mill Creek Summit, Heliport just SE of ranger station on Pacifico Mountain Rd (3N17.4) 1582 Comment
  LA200701  Clarkia bottae Sharon Johnston; 1957-5-14 35 Los Angeles Santa Monica Mountains, Mulholland Road, 6.0 mi W of Fire Station 396 Comment
  CHSC1097  Clarkia cylindrica E. Thomas 1964-6-12 Los Angeles Hiway 99 near Saugus. Comment
  CAS-BOT-BC172257  Clarkia cylindrica subsp. cylindrica Timothy S. Ross; Steve Boyd 1993-5-23 7257 Los Angeles Saddle between Red Mtn's long E ridge and a small notched peak (3227 ft), ca 700 m SSW of Plum springs (in upper Clearwater Canyon), Green Valley 7.5' USGS quad., Liebre Mountains 908 Comment
  SBBG127072  Clarkia cylindrica subsp. cylindrica A. Parikh, N. Gale 2011-6-17 3480 Los Angeles Aliso Cyn, just W of Angeles Forest Hwy, 0.5 km S of Aliso Cyn Rd; San Gabriel Mtns 1285 Comment
  SEINET1869740  Clarkia dudleyana M. D. Wilcox 2003-1 Los Angeles San Gabriel Mtns.: Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory. 381 Comment
  UCR146267  Clarkia dudleyana Orlando Mistretta, Et al. 1995-6-8 1769 Los Angeles San Gabriel Mountains, Below San Gabriel Dam 366 Comment
  UCSB4357  Clarkia dudleyana Nowell, J. 1958-5-16 Los Angeles Mint Canyon; 91/2 mi. from Solemint on HWY 6 Comment
  POM201059  Clarkia epilobioides Carl B. Wolf 1932-5-10 3521 Los Angeles Equestrian trail back of Avalon. Santa Catalina [Island]. 244 Comment
  RSA678237  Clarkia epilobioides Valerie L. Soza, Steve D. Boyd 2002-4-10 1402 Los Angeles Del Sur Ridge, Haskell Canyon, approx. 0.5 mile south of peak '2508'. Stables Fire 2001 area. 579 Comment
  UC930793  Clarkia epilobioides Ira W. Clokey, B. Templeton May 1929 4533 Los Angeles Mandeville Canyon Santa Monica Mountains 250 Comment
  POM3034  Clarkia purpurea subsp. quadrivulnera D. L. Crawford 1916-4-15 s.n. Los Angeles Claremont. Comment
  RSA188314  Clarkia purpurea subsp. quadrivulnera Robert F. Thorne 1966-4-30 36354 Los Angeles Santa Catalina Island; Grassy slope above Gallagher s Canyon 427 Comment
  RSA601052  Clarkia purpurea subsp. quadrivulnera Steve Boyd, Lauren Raz 1997-6-18 9975 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  RSA733046  Clarkia rhomboidea R. G. Swinney 1998-7-10 6354 Los Angeles San Gabriel Mtns.: Prairie Fork, 300 m west of Cabin Flats Campground. 1598 Comment
  SBBG126968  Clarkia rhomboidea A. Parikh, N. Gale 2011-6-27 3507 Los Angeles upper Big Tujunga Cyn, just E of Shortcut Station, 0.6 km N of St Hwy 2; San Gabriel Mtns 1283 Comment
  UCR256567  Clarkia rhomboidea Anuja Parikh, Nathan Gale 2011-6-27 3507 Los Angeles Transverse Ranage; San Gabriel Mountains, Upper Big Tujunga Canyon, just east of Shortcut Station, 0.6 km north of State Hwy 2, Angeles Crest Hwy 1283 Comment
  UCR125919  Clarkia unguiculata A. C. Sanders, Mark Elvin 2002-6-19 25163 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  RSA73344  Clarkia xantiana subsp. parviflora F. W. Peirson 1923-5-27 3535 Los Angeles small canyon on Pinyon Ridge, Rock Creek, north slope of San Gabriel Mountains 1296 Comment
  SDSU17711  Claytonia parviflora subsp. parviflora S. H. Bullock 1968-5-23 156 Los Angeles San Gabriel Mountain Range. San Antonio Canyon off the Old Mount Baldy Road. 975 Comment
  UCR193160  Claytonia perfoliata R. G. Swinney 1998-7-14 6453 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
  UC412623  Claytonia perfoliata subsp. mexicana unknown 1905-4-16 797 Los Angeles Pasadena Comment
  SD113928  Claytonia perfoliata subsp. perfoliata Darley F. Howe April 1915 58 Los Angeles Claremont Comment
  OBI2662  Clematis lasiantha W. Holbrook 1967-4-23 18 Los Angeles 400 yds W of rose Bowl, Pasadena 259 Comment
  RSA250433  Clematis lasiantha Robert F. Thorne, R. Carolin, C. Davidson 1967-3-23 41612 Los Angeles San Gabriel Mts., Angeles National Forest: San Gabriel Canyon near Coldbrook. 1067 Comment
  RSA646994  Clematis lasiantha LeRoy Gross, Michael Honer, Leland Lubinsky 2000-4-27 198 Los Angeles San Rafael Hills: South of Descanso Garden and north of the main ridge. 488 Comment
  RSA650476  Clematis lasiantha G. F. Orr 1956-3-28 s.n. Los Angeles Malibu Canyon. 610 Comment
  RSA713810  Clematis lasiantha Valerie L. Soza, Miriam Sidibeh 2003-3-26 1622 Los Angeles Western San Rafael Hills: Near junction of Ridge Motorway and Gladys Mtwy, off junction of Camino San Rafael and Flintridge Dr, SSW of Flint Peak. 564 Comment
  UCD95613  Clematis lasiantha John Ingrum 1997-3-6 017 Los Angeles Santa Monica Mountains, off Kanan Road, on the Backbone trail, 60m from the trail head into Newton Canyon. Comment
  POM92  Clematis lasiantha L. R. Abrams 1901-04 1306 Los Angeles Santa Monica Mountains Comment
  RSA386253  Clematis ligusticifolia H. L. Bauer 1933-7-29 s.n. Los Angeles Topango [Topanga] Canon. 244 Comment
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May 29 2014
  POM184  Clematis pauciflora Frank C. Squire 1904-5-20 s.n. Los Angeles Claremont chaparral. 457 Comment
  UCR186361  Collinsia bartsiifolia Michael Honer 2007-4-25 2527 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon; grassy slopes c. 1 mile SW of cement processing plant 1159 Comment
  PASA1014  Collinsia callosa Frank W. Peirson 1922-6-3 Los Angeles East of Oak Grove Canyon Divide, Liebre Mts. 1173 Comment
  RSA729571  Collinsia callosa R. G. Swinney 1998-6-12 6187 Los Angeles San Gabriel Mtns.: SW of Pinon Hills, 0.2 mi. due east of reservoir of mouth of Mescal Canyon. 1448 Comment
  UC496530  Collinsia childii Thomas Craig 1927-6-8 399 Los Angeles Bear Canyon trail to summit of Mt. San Antonio, from mouth of canyon to Bear Flats Mt. San Antonio; San Gabriel Mts, Mt. San Antonio Comment
  RSA350660  Collinsia davidsonii Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA0082589  Collinsia heterophylla R. G. Swinney 2010-6-4 12993 Los Angeles Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon. 476 Comment
  UCR140422  Collinsia heterophylla June Latting 1958-5-11 322 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Hwy 2 miles west of Seminole Hot Springs 549 Comment
  RSA408292  Collinsia heterophylla N. C. Cooper 1945-5-1 2231 Los Angeles Tapia Park, Santa Monica Mountains 762 Comment
  RSA408340  Collinsia heterophylla var. austromontana George H. Lewis 1975-6-29 s.n. Los Angeles Hall Beckley Canyon, ca. 1-1/4 miles north of Foothill Blvd. on Palm Drive, La Canada. Comment
  SD4532  Collinsia linearis Ruth B. Randall 8/1928 78 Los Angeles Tejunga [Tujunga] Canyon Comment
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May 23 2012
  RSA0117322  Collinsia parryi Steve D. Boyd, Lauren Raz 1997-3-31 9409 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 914 Comment
  UC557658  Constancea nevinii Nell Murbarger 1936-4-1 182 Los Angeles e side, especially near the coast San Clemente Island Comment
  RSA394861  Convolvulus simulans Albert J. Perkins 1913-5-18 s.n. Los Angeles Point Fermin. Comment
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Mar 26 2014
  LA32104  Conyza bonariensis Peter H. Raven; 1959-4-4 13977 Los Angeles Santa Monica Mountains, Near houses behind Point Dume 21 Comment
  RSA239446  Conyza bonariensis E. R. Blakley 1963-12-7 6353 Los Angeles Canyon between Pyramid Head and Cove, and S of Triangulation Point Guds, San Clemente Island 30 Comment
  JEPS30431  Conyza canadensis Peter H. Raven and Henry J. Thompson 1959-10-18 14667 Los Angeles mouth of Medea Creek (n arm of Malibu Lake); Santa Monica Mountains, Malibu Lake, Medea Creek 220 Comment
  UCR209946  Conyza canadensis R. G. Swinney 2008-10-16 9594 Los Angeles San Gabriel Mtns., Jackson Lake, south side of Big Pines Highway 1872 Comment
  SEINET3929605  Cordylanthus filifolius David Keil 1986-9-27 19738 -2 Los Angeles Along I-5, just S of Hungry Valley Rd exit.; 0 914 Comment
  UCR194162  Cordylanthus rigidus R. G. Swinney 1998-8-13 6731 Los Angeles San Gabriel Mtns., Iron Mountain ridge, 0.5 mi. south of Iron Mtn. summit, 100 m north of a Coulter pine grove 2262 Comment
  UCR197730  Coreopsis bigelovii Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 6 Los Angeles Transverse Ranges; San Gabriel Mountains, off Big Pines Hwy (Road N) on the north side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside 1444 Comment
  UCR90813  Coreopsis californica A. C. Sanders, G. K. Helmkamp 1996-3-24 18017 Los Angeles Mojave Desert, 240th Street. E, just north of Ave. 'O' & 4.7 mi south of Ave. 'J', 1 km NE of Moody Springs. 877 Comment
  LA88344  Coreopsis gigantea O. H. Kappler; 1943-2-20 359 B Los Angeles 9 Comment
  POM356021  Coreopsis gigantea F. R. Fosberg 1931-5-22 7161 Los Angeles Santa Catalina Island. Bird Rock, Isthmus Harbor. 5 Comment
  CAS-BOT-BC105712  Corethrogyne filaginifolia Ernest Braunton 1902-8-1 651 Los Angeles Oak Knoll Comment
  CHSC110165  Corethrogyne filaginifolia Scott Sundberg; Linda Hardison 1986-9-19 3272 Los Angeles Along Interstate 5, S of Newhall, 1.3 mile N of the turnoff to N14 to Palmdale. Comment
  JEPS20105  Corethrogyne filaginifolia Peter H. Raven 1957-9-21 11336 Los Angeles nw end University of California, Los Angeles campus; U.C.L.A. campus 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
  RSA149753  Corethrogyne filaginifolia Wesley O. Griesel 1961-9-23 s.n. Los Angeles Switzers Camp. 762 Comment
  SBBG105555  Corethrogyne filaginifolia T. Ross, S. Boyd 1994-9-21 8283 Los Angeles vicinity of West Summit; Liebre Mtn, ca. 85 m S of intersection of sections 3,4,9, and 10 1676 Comment
  RSA397703  Cornus glabrata M. B. Dunkle 1931-4-22 2462 Los Angeles Hamilton Canyon, Santa Catalina Island. 91 Comment
  RSA801741  Cotula australis Simonsen's Nursery 1953-1-24 s.n. Los Angeles Bellflower. Comment
  CATA1343  Crassula aquatica Mark L. Hoefs, Robert F. Thorne, Janet Takara 1995-7-25 2447 Los Angeles Santa Catalina Island: Haypress Reservoir 420 Comment
  SEINET10449690  Crassula argentea Jon Ricketson, Heidi H. Schmidt 1992-10-22 Ricketson 4868 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
  CATA868  Crassula connata Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1677 Los Angeles Santa Catalina Island: Little Harbor 4 Comment
  SBBG13285  Crassula connata M. A. Piehl 1962-6-9 62326 Los Angeles China Cyn (near head), ca. 2 mi from China Pt 213 Comment
  RSA780007  Crassula tillaea R. G. Swinney 2009-4-7 10302 Los Angeles Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  SD85057  Cressa truxillensis var. vallicola Martin A. Piehl 1963-12-7 63105 Los Angeles San Clemente Island; tip from Pyrimid Head and opposite triangulation poinRock. 9 Comment
  SBBG18719  Crocanthemum greenei E. R. Blakley 1963-4-10 5580 Los Angeles jct of White's Landing and Airport Rd, NE side of Black Jack Mtn 365 Comment
  CATA196  Crocanthemum scoparium Mark L. Hoefs, A. Douglas Propst 1973-4-6 173 Los Angeles Santa Catalina Island: Mt. Black Jack, northeast exposure 518 Comment
  OBI69268  Crocanthemum scoparium John Knapp, Denise Knapp 2003-4-13 25 Los Angeles Catalina Island. 3695769.992N x 370288.942E 104 Comment
  UCD116896  Crocanthemum scoparium Daryl Koutnik 1978-5-10 475 Los Angeles End of Corral Canyon Road, Santa Monica Mountains. 731 Comment
  UCR139935  Crossosoma californicum L. C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island, 0.3 mile SSE of Isthmus Bench Mark 122 Comment
  RSA479363  Croton californicus F. R. Fosberg 1931-8-30 55611 Los Angeles El Segundo. Comment
  RSA480567  Croton californicus L. E. Hoffman 1931-7-18 s.n. Los Angeles Hermosa Beach. Comment
  LA202415  Crypsis schoenoides Arthur C. Gibson; Tarja Sagar 2005-9-2 5095 Los Angeles Comment
  UCR206443  Cryptantha R. G. Swinney 2008-6-10 9006 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, 2.4 miles SSE of park headquarters on South Fork Trail 1585 Comment
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Feb 19 2020
  LA36513  Cryptantha clevelandii Peter H. Raven; Henry J. Thompson 1960-5-15 15368 Los Angeles SANTA MONICA MOUNTAINS, Piuma Road, 5.1 mi. NW of Rambla Pacifica. 213 Comment
  RSA517860  Cryptantha decipiens Steve Boyd 1986-3-30 1515 Los Angeles Mojave Desert: Highway 18, 0.5 miles east of junction with Hwy 138, NE of Pinyon Hills. Comment
  RSA518034  Cryptantha decipiens Steve Boyd 1986-3-31 1576 -B Los Angeles Mojave Desert: Highway 18 about 1 mile E of jct with Hwy 138, NE of Pinyon Hills. Comment
  UC1870318  Cryptantha decipiens LeRoy Gross 2005-4-28 2150 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
  SBBG91832  Cryptantha intermedia S. A. Junak 1978-4-16 SCa 040 Los Angeles slopes above N side of Fourth of July Cove, near rd 45 Comment
  SD217244  Cryptantha intermedia Steve Boyd, Tim Ross and Laurel Arnseth 1990-4-8 4363 Los Angeles San Clemente Island; east side of island, near Malo Point, third canyon south of Bryce Canyon. Comment
  RSA650997  Cryptantha intermedia T. Sargent 1959-4-12 s.n. Los Angeles Baldy Road 1mi. E. of Padua Hills. Comment
  CHSC98605  Cryptantha micromeres LeRoy Gross; Michael Honer, Leland Lubinsky 2000-4-27 195 Los Angeles San Rafael Hills: Ridge running due west of Lookout Tower, east of the (2) Glendale Freeway. On north slope; area burned in 1999. 487 Comment
  LA94313  Cryptantha microstachys Carl Epling; 1926-5-8 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA0013202  Cryptantha microstachys Orlando Mistretta, Christine Mistretta 2011-7-13 5932 Los Angeles Big Tujunga Cyn. Along Angeles Forest Hwy, 1.0 miles W of junction With Big Tujunga Cyn Road. 793 Comment
  UCR23589  Cryptantha microstachys John C. Roos 1942-5-23 1066 Los Angeles San Gabriel Mtns., Santa Anita Canyon Comment
  UCR251874  Cryptantha microstachys Victoria M. Woods, David G. Cook 2014-5-10 28 Los Angeles Transverse Range; San Gabriel Mtns., Angeles National Forest, Mount Baldy area, Potato Mountain Trail at Baldy Mtn. Rd turnoff 1043 Comment
  RSA762241  Cryptantha microstachys Orlando Mistretta, Christine Mistretta 2008-5-19 3125 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 101 per TRTP Survey 2008), Upper Fish Canyon, E of Monrovia Pk. 1146 Comment
  HSC101308  Cryptantha muricata R. G. Swinney 2009-4-28 10516 Los Angeles Transverse Range, San Gabriel Mountains: Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  UCR119284  Cryptantha muricata A. C. Sanders, D. Malueg 1998-6-22 22047 Los Angeles San Gabriel Mtns., Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon 1006 Comment
  UCR260334  Cryptantha muricata R. G. Swinney 2010-5-4 12541 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
  RSA0079157  Cryptantha muricata var. denticulata R. G. Swinney, Dave Larson 1996-7-17 5129 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1317 Comment
  UCR281995  Cryptantha muricata var. denticulata R. G. Swinney 2014-5-7 16414 Los Angeles San Gabriel Mountains, near town of Ravenna, 0.3 miles east of Stonecross, c. 0.7 miles south of Soledad Cyn. Road, c. 0.5 mile east of Mill Cyn., unnamed N-S oriented cyn. between Bootleggers Cyn. and Mill Cyn. 793 Comment
  SBBG63810  Cryptantha muricata var. jonesii R. Hoffmann 1927-6-14 Los Angeles Pine Cyn Comment
  RSA0079454  Cryptantha muricata var. jonesii P. A. Munz, R. D. Harwood 1920-5-15 3953 Los Angeles Sepulveda Canyon, Santa Monica Mountains 244 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
  RSA0079602  Cryptantha muricata var. muricata Scott D. White, Justin M. Wood 2009-5-6 12674 Los Angeles San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  UCR142733  Cryptantha nevadensis var. rigida P. A. Munz 1926-4-4 9986 Los Angeles Transverse Ranges; Liebre Mtns region, 1 mile north of Elizabeth Lake Comment
  SD247359  Cryptantha oxygona Mitch Provance, Callen Huff 2009-4-29 10698 Los Angeles Tehachapi Mountains; Tejon Ranch, south of Lebec, lower slopes above Interstate 5, ca. 0.7 mile east of Gorman. 1230 Comment
  RSA0078947  Cryptantha pterocarya var. pterocarya Steve Boyd 1986-3-30 1499 Los Angeles Mojave Desert: Highway 18, 0.5 miles east of junction with Hwy 138, NE of Pinyon Hills. Comment
  RSA596035  Cucurbita foetidissima T. S. Ross, J. Mark Porter 1995-5-4 8453 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  SEINET10625784 Image available Cucurbita pepo Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2582 Los Angeles City of San Gabriel. Howie's Ranch Market, 6580 N. San Gabriel. Comment
  SD39893  Cuscuta Edith A. Purer 1932-2-1 2470 Los Angeles El Segundo Comment
  CHSC22777  Cuscuta californica Robert A. Schlising 1971-9-14 2999 Los Angeles San Gabriel Mts.; Charlton Flats; roadside at parking area #18. Comment
  RSA724716  Cuscuta californica K. Dobry 1991-5-22 d- 659 Los Angeles Soka University NE section. Santa Monica Mts. 1 mi East of Las Virgenes Rd off Muholland Hwy. Comment
  RSA190914  Cuscuta californica var. breviflora R. F. Thorne 1967-5-19 36881 Los Angeles Santa Catalina Island. Echo Lake branch of upper Swain's Canyon. 366 Comment
  RSA624370  Cuscuta occidentalis M. A. Piehl 1963-12-7 631057 Los Angeles San Clemente Island. Across SE tip from Pyramid Head and opposite triangulation point Rock. 9 Comment
  CDA21172  Cuscuta subinclusa Adams 2007-5-2 PDR 1252120 Los Angeles South Coast; I-405 between Getty Center and Sunset. 0 Comment
  RSA250557  Cycladenia humilis var. venusta R. F. Thorne, John Dourley 1967-10-3 37297 Los Angeles Mt. Baden-Powell: just N of summit 2805 Comment
  UCR110901  Cyclospermum leptophyllum A. C. Sanders 1998-10-10 22256 Los Angeles Western Transverse Range; Santa Monica Mtns., Sta. Monica College, NW side near Pico Blvd. 46 Comment
  RSA535318  Cynodon dactylon Timothy S. Ross 1991-5-20 5366 Los Angeles San Clemente Island: north third; upper S branch of un-named drainage that empties to sea just N of Jack Point lighthouse. 168 Comment
  SDSU982  Cynodon dactylon Gerald Collier 1951-5-10 M 47 Los Angeles 11621 Mayfield Ave, L.A. 49 Comment
  SBBG120049  Cynodon transvaalensis A. C. Sanders 2003-5-22 26810 Los Angeles long abandoned gravel pit on boundary between Irwindale and Azusa, E of Irwindale Ave, S of 210 Freeway (which bisects pit) and N of Santa Fe RR, E of San Gabriel River channel 171 Comment
  RSA365127  Cyperus eragrostis Robert Gustafson 1980-4-29 2216 Los Angeles Ballona Wetlands, Area 2. Comment
  RSA618692  Cyperus involucratus LeRoy Gross 1998-9-20 73 Los Angeles Southern base San Gabriel Mtns.: Tujunga Ponds. West of 210 freeway in big Tujunga wash, city of Sunland 365 Comment
  RSA365138  Cyperus laevigatus Anstruther Davidson 1891-10 s.n. Los Angeles River. Comment
  UC838211  Cyperus niger E. Bethel 1916-8-9 Los Angeles Long Beach Comment
  RSA0089520  Cystopteris fragilis R. G. Swinney 2011-8-17 15622 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  RSA188699  Cytisus linifolius R. F. Thorne 1966-4-28 36240 Los Angeles Santa Catalina Island. Wrigley Drive near Avalon. 91 Comment
  UCR143250  Cytisus multiflorus LeRoy Gross 2004-3-30 1212 Los Angeles Transverse Ranges, Verdugo Mountains region; north side of the mountains; off the south side of the 210 fwy between La Tuna Canyon Road and Lowell Ave. in the city Tujunga 549 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
  RSA215032  Datisca glomerata R. F. Thorne, M. Z. Thorne 1967-7-19 37132 Los Angeles San Gabriel Mountains, Angeles National Forest: Yucca Flats Summer Home Tract at upper end of Canyon of N Fork of San Gabriel River. 1250 Comment
  RSA586813  Datisca glomerata Orlando Mistretta 1994-6-21 1379 B Los Angeles San Gabriel Mtns: Santiago canyon; drainage northwest of Pacifico Mtn 1829 Comment
  RSA653523  Datura wrightii LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 286 Los Angeles Verdugo Mountains: Intersection of Verdugo Mountainway and Hostetter Mountainway. 915 Comment
  RSA649015  Datura wrightii Scott Lowe 1991-5-12 22 Los Angeles San Gabriel River channel, about 400 m. north of San Gabriel River Parkway bridge, city of Pico Rivera. Comment
  RSA574341  Daucus pusillus R. G. Swinney 1994-5-7 2827 Los Angeles Glendora Wilderness park, 0.4 mi N of Big Dalton Canyon Rd. at Mystic Canyon Trail. On ridgetop ca. 50 m E of Trail. 457 Comment
  RSA470778  Daucus pusillus Anstruther Davidson 1890-05 s.n. Los Angeles [no locality information provided] Comment
  LA32008  Deinandra fasciculata Peter H. Raven; Henry J. Thompson 1959-5-5 14133 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  UC124581  Deinandra fasciculata H. M. Hall 1908-6-16 8285 Los Angeles Avalon Santa Catalina Island Comment
  UCR271836  Delairea odorata R. G. Swinney 2011-3-15 14081 Los Angeles San Gabriel Mountains, Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 235 Comment
  POM156523  Delphinium cardinale L. R. Abrams 1902-7-3 2647 Los Angeles Little Santa Anita Canyon, San Gabriel Mountains. Comment
  UCR229145  Delphinium parishii Dan S. Cooper 2011-5-5 511- 60 B Los Angeles Transverse Range; San Gabriel Mountains, Portal Ridge, east of Three Points, 6.1 mi southeast (148 deg. ) of Neenach 1331 Comment
  CHSC35421  Delphinium parishii subsp. parishii James Henrickson 1973-5-12 9599 Los Angeles 6 (air) miles SE of Pearblossom, 4.6 (rd) miles S of Llano in lower portion of Bob's Gap along 165 St. On slopes above arroyo. 1234 Comment
  UC56748  Delphinium parryi Avis Smith May 1899 1 Los Angeles Claremont 365 Comment
  UC854179  Delphinium parryi subsp. maritimum John I. Carlson 1915-6-13 Los Angeles Avalon Santa Catalina Island Comment
  SBBG122107  Delphinium parryi subsp. parryi A. Parikh, N. Gale 2003-5-24 736 Los Angeles Plum Cyn, 1.3 km SSW of Cruzan Mesa, 2.1 km W of Sierra Hwy 622 Comment
  POM293283  Delphinium parryi subsp. parryi Lyman Benson 1947-4-18 12310 Los Angeles Claremont, Indian Hill. 427 Comment
  RSA398717  Delphinium parryi subsp. parryi L. E. Hoffman 1926-4-18 s.n. Los Angeles Arroyo Seco, Can. [La Canada] Comment
  LA32187  Delphinium patens subsp. hepaticoideum Peter H. Raven; 1959-5-9 14171 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 243 Comment
  POM123107  Delphinium patens subsp. hepaticoideum Marcus E. Jones 1882-5-2 s.n. Los Angeles Pasadena. Comment
  RSA0065849  Delphinium patens subsp. montanum LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6780 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA0030020  Delphinium patens subsp. montanum W. G. Webb 1935-4-17 s.n. Los Angeles Arroyo Seco, near La Canada Comment
  RSA0034891  Dendromecon rigida Carol Haines 1964-3-15 59 Los Angeles Fernwood Pacific, Topanga, Santa Monica Mts. 426 Comment
  SEINET12090190  Dendromecon rigida L. M. Mayer, Mayer, I. J. 1974-1 134 Los Angeles Malibu Canyon, ca 1/2 mi NE of Tapia Park on Las Virgenes/Malibu Canyon Rd Comment
  RSA587269  Descurainia pinnata subsp. intermedia Orlando Mistretta 1994-5-13 1221 Los Angeles Little Rock Creek, Slopes E of creek opposite confluence with Kitter Canyon 1402 Comment
  RSA252966  Descurainia sophia R. F. Thorne, C. W. Tilforth 1973-4-20 43095 Los Angeles San Bernardino National forest; Mormon Rocks and Cajon Canyon 1036 Comment
  RSA756176  Descurainia sophia Orlando Mistretta, Christine Mistretta 2008-4-3 2261 Los Angeles Southern California Edison transmission line tower (Segment 5, Structure 65, per TRTP survey 2008) just south of state Hwy 14 in the vicinity of Soledad Pass 977 Comment
  CAS-BOT-BC402260  Dicentra chrysantha Geo. B. Grant 1904-6-26 4409 Los Angeles Mt Lowe Comment
  UCR223625  Dicentra chrysantha R. G. Swinney 2009-6-28 11290 Los Angeles Transverse Range; San Gabriel Mtns./San Gabriel Valley, San Gabriel River Wash, Azusa/Duarte border, 0.5 mi. north of Puente Largo railway bridge, on east side of main channel, 1 mi. north of Foothill Blvd. on east side of El Encanto Parkway 194 Comment
  UCR269597  Dicentra chrysantha R. G. Swinney 2011-6-29 15369 Los Angeles San Gabriel Mountains, Mill Creek, from 50 to 300 meters downstream (south) from Monte Cristo Campground 1082 Comment
  RSA433535  Dicentra chrysantha Freda Detmers 1928-9-30 s.n. Los Angeles San Gabriel Canyon Comment
  UCSB43458  Dichelostemma capitatum Morales, M. 1982-4-17 Los Angeles West of Wrigley Memorial Garden on Memorial Road .5 miles from its junction with Avalon Canyon Road on Santa Catalina Island 167 Comment
  RSA376857  Dichelostemma capitatum subsp. capitatum Louis Greata 1901-03 s.n. Los Angeles Eagle Rock. Comment
  RSA724645  Dichelostemma capitatum subsp. capitatum K. Dobry 1991-5-11 D- 196 Los Angeles Cold Creek Cyn. Santa Monica off Stunts Rd. Comment
  SD51922  Dichelostemma capitatum subsp. capitatum Peter H. Raven 1962-4-9 17142 Los Angeles San Clemente Island, common on grassy slopes near barracks, Wilson Cove. 60 Comment
  RSA0034978  Digitaria sanguinalis P. R. Brown 1970-10-9 s.n. Los Angeles Canon de Lana. [county not specified] Comment
  SJSU10418  Diplacus aurantiacus G. A. Kattenhorn 1967-3-21 Los Angeles Little Dalton Cr, N of Glendora, San Gabriel Mts Comment
  CAS-BOT-BC150648  Diplacus longiflorus F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  RSA0036280  Diplacus longiflorus Carol Frazier 1966-5-10 s.n. Los Angeles San Rafael Hills. 213 Comment
  OBI34888  Distichlis spicata David J. Keil 1983-8-23 17883 Los Angeles Huntington Harbor at Bolsa Chica Ecological Reserve Comment
  SBBG41339  Distichlis spicata M. R. Benedict 1970-6-27 Los Angeles upper beach, Little Harbor Comment
  UC673300  Dithyrea californica Herbert L. Mason 1926-4-27 3065 Los Angeles 30 mi w Victorville; Mohave Desert Comment
  UCR17578  Dodecatheon clevelandii George B. Grant 1904-1 304 Los Angeles San Gabriel Valley, City of Pasadena Comment
  RSA124711  Dodecatheon clevelandii subsp. clevelandii E. K. Balls, Percy C. Everett, R. J. Shaw 1958-1-8 22849 Los Angeles 4 mi. n. of Claremont, sw. of San Antonio Dam. 579 Comment
  RSA187819  Dodecatheon clevelandii subsp. insulare Robert F. Thorne 1966-4-7 35957 Los Angeles Cherry Valley, Santa Catalina Island. 46 Comment
  UC187663  Dodecatheon clevelandii subsp. insulare T. S. Brandegee April, 1888 Los Angeles Island of Santa Cruz Comment
  RSA0091335  Dodecatheon redolens R. G. Swinney 2011-8-17 15634 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  CAS-BOT-BC41603  Draba corrugata var. corrugata R. J. Dobbs 1924-7-18 2921 Los Angeles Near top of Mount Islip. 2511 Comment
  RSA638862  Drymocallis glandulosa var. glandulosa Valerie L. Soza, Laura Moore 1999-6-30 597 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail. 854 Comment
  LA200111  Dryopteris arguta Lawrence L. Kiefer; 1966-3-6 1645 Los Angeles SANTA MONICA MOUNTAINS, San Nicholas Canyon, ca 0.75 mi from canyon mouth. 152 Comment
  UCR197227  Dryopteris arguta Valerie Soza, Ileene Anderson, LeRoy Gross 2000-6-6 989 Los Angeles Verdugo Mountains, southwest side,along Verdugo Mtwy, east of junction with Stough Canyon Mtwy, above Stough Canyon, northeast side of Peak ''2646' 762 Comment
  UCR208067  Dryopteris arguta M. B. Dunkle 1928-5-13 1948 Los Angeles Channel Islands, Santa Catalina Island, Eagle's Nest 180 Comment
  CAS-BOT-BC67941  Dryopteris arguta Geo. B. Grant 1903-2-1 s.n. Los Angeles Covina Comment
  RSA678689  Dryopteris arguta Mark Elvin, Orlando Mistretta 1996-3-24 137 Los Angeles Eagle Canyon, San Clemente Island. 244 Comment
  RSA693702  Dryopteris arguta Albert J. Perkins 1918-1-14 s.n. Los Angeles West Fork San Gabriel Comment
  CAS-BOT-BC109572  Dudleya blochmaniae subsp. blochmaniae Reid Moran 1948-6-8 3086 Los Angeles Mouth of Winter Canyon, Malibu Beach. 76 Comment
  RSA423502A  Dudleya cymosa subsp. pumila L. E. Hoffman 1929-6-23 s.n. Los Angeles Mouth [of] Pacoima Canyon. San Gabriel Mountains, Angeles Forest. Comment
  RSA516416  Dudleya densiflora W. Wisura, Orlando Mistretta 1989-8-29 4420 Los Angeles Roberts Canyon, off San Gabriel Canyon Comment
  POM93030  Dudleya lanceolata H. E. Hasse 1890-6-19 s.n. Los Angeles Hills and banks. Comment
  RSA0077164  Dudleya pulverulenta Reid V. Moran 1949-7-4 3288 Los Angeles Santa Susana Grade. Comment
  UC933243  Dudleya pulverulenta subsp. pulverulenta Reid Moran 1950-5-23 3410 Los Angeles e side Santa Susana Pass Comment
  HSC9651  Echinochloa crus-galli C. E. Fellows 1970-9-7 140 Los Angeles 1 mile S of Ventura Blvd. on Reseda Blvd. at Rosita St. NE foothills of Santa Monica Mtns. 274 Comment
  RSA611488  Echinochloa crus-galli L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  POM1048  Echinochloa crus-pavonis I. M. Johnston 1918-8-4 2111 Los Angeles North Pomona. Alt. 1200 ft. 366 Comment
  SEINET11676826  Echinochloa muricata J. F. Bright, Wyman, C. 1931-1 5726 Los Angeles Hollywood Comment
  UCR210530  Eclipta prostrata R. G. Swinney 2008-12-4 9946 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1.8 mi. north of Sierra Madre Ave., north of bike trail parking lot, along flowing aqueduct of water filtration plant 223 Comment
  UCSB3668  Ehrendorferia chrysantha Jacobson, A. 1959-5-15 Los Angeles Mint Canyon at campground 6.4 mile north of Solemint Comment
  CDA37837  Ehrharta erecta Michael O Brien 2012-5-2 s.n. Los Angeles Malibu; La Piedra State Beach. 0 Comment
  UCR253384  Eleocharis R. G. Swinney 2010-9-1 13658 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  CATA1662  Eleocharis macrostachya Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Lisa Stratton 1998-7-16 2951 Los Angeles Santa Catalina Island: Above Parson's Beach 85 Comment
  RSA0127375  Eleocharis montevidensis Louis C. Wheeler 1967-7-20 10131 Los Angeles Aliso Canyon. 1067 Comment
  RSA365355  Eleocharis montevidensis George B. Grant 1901-04 3852 Los Angeles [Los Angeles?] Comment
  SD186019  Eleocharis obtusa A. C. Sanders 2005-5-5 29896 Los Angeles Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool. 655 Comment
  RSA641435  Eleocharis palustris L. C. Wheeler 1967-7-23 10157 Los Angeles San Gabriel Mountains: Mojave Desert Slope: Barrel Spring. Comment
  UCR130504  Eleusine indica R. E. Riefner Jr. 2003-10-5 03- 453 Los Angeles San Gabriel Mtns./S.G.Valley, City of Pasadena, Rose Bowl, Rosemont St. and Seco St. 258 Comment
  RSA91966  Elymus elymoides subsp. californicus F. W. Peirson 1922-7-6 3153 Los Angeles Pleasant View Ridge, San Gabriel Mountains. 2561 Comment
  RSA339491  Elymus elymoides subsp. elymoides Wayne E. Sawyer 1980-7-3 7 Los Angeles Angeles National Forest: CA. Higway 2 between Dawson Saddle and junction of Higway 39, 1.6 mile from Dawson Saddle 2302 Comment
  CAS-BOT-BC206757  Elymus glaucus subsp. glaucus I. M. Johnston 1971-7-15 1517 Los Angeles Head of S Fk, Lytle Creek - San Antonio Mountains 1828 Comment
  POM1320  Elymus glaucus subsp. glaucus D. L. Crawford 1916-5-20 716 Los Angeles Mountains above Claremont. Comment
  UCR143222  Elymus glaucus subsp. glaucus F. R. Fosberg 1931-4-14 S- 4610 Los Angeles Channel Islands, Santa Catalina Island, Eagles Nest, Middle Ranch Canyon 180 Comment
  RSA611060  Elymus glaucus subsp. jepsonii L. C. Wheeler 1968-5-15 s.n. Los Angeles San Antonio Canyon, north side of ridge north of Cascade Canyon. 1189 Comment
  UC167161  Elymus multisetus Geo. B. Grant 1906-6-16 Los Angeles Mt. Wilson Pasadena (summit) Comment
  RSA191358  Elymus trachycaulus subsp. trachycaulus R. F. Thorne, M. Z. Thorne 1967-7-19 37179 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Cienega Springs, above Crystal Lake Recreation Area 1982 Comment
  RSA592174  Emmenanthe penduliflora Louis C. Wheeler 1967-5-12 9433 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  UCR192573  Emmenanthe penduliflora A. C. Sanders 2008-4-10 34828 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM 'Pine 1006 Comment
  UCSB10409  Emmenanthe penduliflora Wedberg, H. 1957-5-7 Los Angeles Hillside above U-turn S of tunnel on Sepulveda Comment
  CDA40327  Emmenanthe penduliflora Phillipson 1915-4-28 4 .1.A Los Angeles Monrovia. Comment
  RSA587391  Emmenanthe penduliflora var. penduliflora Orlando Mistretta 1992-5-8 276 Los Angeles San Gabriel Mountains. Little Rock Creek. slopes E. of Little Rock Creek Reservoir. 1067 Comment
  SBBG53209  Emmenanthe penduliflora var. penduliflora S. A. Junak 1978-4-15 SCa 23 Los Angeles old trail above Cherry Valley Boy Scout Camp Comment
  SD253464  Emmenanthe penduliflora var. penduliflora R. G. Swinney 2011-5-31 14926 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek (Chilao Flat 7.5'Q) 1096 Comment
  UC450830  Encelia actoni Fay A. Macfadden 1931-4-22 2640 Los Angeles Power Plant No.1 San Franscito Canyon Comment
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Feb 11 2015
  UCR238076  Encelia actoni Mark A. Elvin, Julie M. Vanderwier 2002-7-18 2105 Los Angeles Western Transverse Range; Santa Clarita Valley Area, Newhall Ranch, ridge west of Potrero Canyon 396 Comment
  CHSC98397  Encelia californica LeRoy Gross 2001-3-16 342 Los Angeles Los Angeles Basin: Verdugo Mountains regions: north side: Whiting Woods Mountainway; dirt road at end of Whiting Woods Road, in the city of Verdugo City. Road starts at Henderson Canyon and climbs to the main crest. Near road on a sunny ridgetop that at one time had been bulldozed. 701 Comment
  JEPS34092  Encelia californica W. L. Jepson 1939-4-14 19114 Los Angeles Topanga Canyon Santa Monica Mts., Topanga Canyon Comment
  LA94428  Encelia californica W. R. Ernst; April 1948 sn Los Angeles Mt. Washington, N Los Angeles Comment
  LA94431  Encelia californica Leo Boyd; 1953-5-10 sn Los Angeles Comment
  RSA38970  Encelia californica E. A. Purer 1931-3-12 994 Los Angeles Palos Verdes Hills. Comment
  UC53972  Encelia californica H. P. Chandler 1907-6-3 7001 Los Angeles near Cahuenga Peak; Brush Canon Comment
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Sep 26 2011
  UCR131399  Encelia californica Alison Lipman 1998-9-4 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  SEINET7047912  Ephedra californica Steven R. Hill, Kate Kramer 2001-4-22 33361 Los Angeles North foothills of San Gabriel Mountains, Elizabeth Lake Road, 9.7 miles by road south-southwest of junction with Johnson Road, vicinity of Bee Canyon. Elevation about 1800 feet. Comment
  RSA650258  Ephedra nevadensis Orville Armstrong 1949-5-1 s.n. Los Angeles 5 mi. south of Vincent 1067 Comment
  UC1871342  Ephedra nevadensis T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 5002 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
  UC283  Ephedra nevadensis J. Burtt Davy May 9 1896-May 24 1896 2574 Los Angeles West Palmdale Antelope Valley, West Palmdale Comment
  RSA9746  Ephedra nevadensis L. C. Wheeler 1932-4-10 602 Los Angeles 2 mi. W Palmdale Mohave Desert. 762 Comment
  NY30011  Ephedra viridis T. S. Ross 1994-5-29 2705 Los Angeles San Gabriel Mountains: Big Rock Creek. Vicinity of an old destoyed homestead on the west side of the riparian strip, just upstream from the gaging Station (only the foundation and scattered rocks remain). Valyermo 7.5' USGS Quadrangle 1239.0 Comment
  CAS-BOT-BC166189  Epilobium canum subsp. canum R. J. Dobbs 1927-7-15 s.n. Los Angeles Lower Arroyo Comment
  POM214455  Epilobium canum subsp. canum Louis C. Wheeler 1931-10-16 253 Los Angeles Sawpit Canyon. San Gabriel Mountains. 305 Comment
  RSA72104  Epilobium canum subsp. canum F. W. Peirson 1918-10-21 280 Los Angeles West Fork of San Gabriel Mountains. 1067 Comment
  SD69371  Epilobium canum subsp. canum Robert F. Thorne 1966-9-14 Los Angeles Santa Catalina Island: Grassy, weedy flat area behind dunes and salina at Little Harbor 4 Comment
  UC107747  Epilobium canum subsp. canum T. S. Brandegee 1894-8-25 Los Angeles San Clemente Island Comment
  UCR100422  Epilobium canum subsp. canum Scott D. White, Pam DeVries 1997-11-25 6035 Los Angeles San Gabriel Mtns., San Gabriel River Canyon, north of Azusa; parallel to Hwy 39; along dirt access road to gauging station below Morris Dam. 259 Comment
  RSA448518  Epilobium canum subsp. latifolium Louis C. Wheeler 1931-9-20 153 Los Angeles Barret Canyon off San Antonio Canyon, San Gabriel Mountains 1311 Comment
  RSA588517  Epilobium canum subsp. latifolium Bonnie C. Templeton 1932-8-21 s.n. Los Angeles Mt. Baldy 3049 Comment
  RSA594632  Epilobium canum subsp. latifolium Steve Boyd, Lauren Raz 1996-10-29 9123 Los Angeles Liebre Mountains region, along 7N19, the road to Atmore Meadows area at the southeastern end of Liebre Mountain in a tributary drainage to the North Fork Fish Canyon. 1463 Comment
  SEINET13387043 Image available Epilobium canum subsp. latifolium R. G. Swinney 2011-1 15725 Los Angeles San Gabriel Mountains: east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream (Chilao Flat 7.5' Q.) (T3N R11W S34) 1536 Comment
  UC1584052  Epilobium canum subsp. latifolium Tim Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4055 Los Angeles ne Tie Summit Station (e of Angeles Forest Hwy; w drainage that meets Tie Canyon); San Gabriel Mountains, Angeles National Forest, Tujunga Rang 1463 Comment
  RSA0058199  Epilobium ciliatum Richard G. Swinney 2010-6-23 13359 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
  RSA755574  Epilobium ciliatum R. G. Swinney 2008-9-9 9332 Los Angeles Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  UCR209139  Epilobium ciliatum R. G. Swinney 2008-6-24 9092 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  LA33496  Epipactis gigantea Peter H. Raven; 1959-5-3 14092 Los Angeles 213 Comment
  POM6404  Epipactis gigantea M. Hitchcock 1918-7-28 s.n. Los Angeles Pacoima Canyon. Comment
  UCR259180  Epipactis gigantea R. G. Swinney 2010-6-23 13371 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
  RSA607564  Epipactis gigantea Louis C. Wheeler 1964-5-24 8475 Los Angeles San Gabriel Mountains: 0.25 mile inside mouth of San Gabriel Canyon. Comment
  RSA612602  Equisetum hyemale var. affine L. C. Wheeler 1932-4-16 616 Los Angeles West side of Santa Anita Canyon, San Gabriel Mts. 670 Comment
  RSA684639  Equisetum hyemale var. affine L. E. Hoffman 1931-2-12 s.n. Los Angeles Fern Canyon Comment
  RSA701049  Equisetum laevigatum Steve Boyd, Amber Maurice 2004-5-18 11332 Los Angeles Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain. 610 Comment
  UCR270119  Equisetum laevigatum R. G. Swinney 2010-9-9 13796 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-BC57318  Equisetum laevigatum Rev. J. C. N? 1904-1-1 s.n. Los Angeles Playa del Rey Comment
  RSA0113731  Equisetum laevigatum Steven A. Junak 1999-5-21 SCa- 980 Los Angeles Santa Catalina Island. Coffee Pot Canyon, just upstream from road crossing. 405 Comment
  LA5507  Equisetum telmateia subsp. braunii O. A. Plunkett; 1926-5-20 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park, Swampy banks along Los Angeles River. Comment
  LA94031  Equisetum telmateia subsp. braunii Lawrence L. Kiefer; 1966-5-7 1999 Los Angeles 30 Comment
  SBBG25428  Equisetum telmateia subsp. braunii E. R. Blakley, D. E. Breedlove 1961-9-24 1295 Los Angeles ca. 0.5 mi upstream in Middle Ranch Cyn from its mouth 76 Comment
  RSA568563  Eragrostis Geo. L. Moxley 1919-3-29 683 Los Angeles 39th Street near Compton Ave Comment
  UCSC000028  Eragrostis cilianensis H. S. Yates 1936-8-28 6357 Los Angeles Five miles southeast of Palmdale, along roadside - Elizabeth Lake 814 Comment
  RSA421552  Eremocarpus setiger George B. Grant 1906-8-23 445 Los Angeles From Pasadena. Comment
  RSA421761  Eremocarpus setiger House, Grumbles 1930-8-5 s.n. Los Angeles San Clemente Island. Comment
  SEINET12141702  Eremocarpus setiger E. A. Purer 1933-1 5597 Los Angeles El Segundo Comment
  LA200984  Eremothera boothii subsp. decorticans Carl Wishner; 1991-5-7 1947 Los Angeles 400.0 Comment
  SBBG58289  Eriastrum densifolium R. Hoffmann 1928-7-9 Los Angeles between Palmdale and Lancaster Comment
  UCR263292  Eriastrum densifolium subsp. austromontanum Anuja Parikh, Nathan Gale 2012-6-24 3594 Los Angeles Transverse Range, San Gabriel Mountains, Upper Tujunga Canyon, 0.3 km east-northeast of Shortcut Station, 0.7 km north of State Hwy 2, Angeles Crest Hwy 1317 Comment
  SBBG117025  Eriastrum filifolium S. A. Junak with M. L. Hoefs 2001-5-5 SCa 1508 Los Angeles just S of rd to Cape Cyn ridgetop, on N side of Middle Ranch Cyn, ca. 0.5 mi from jct with Middle Cyn Rd 396 Comment
  RSA0103479  Eriastrum rosamondense A. C. Sanders, E. J. Lott 1993-5-6 13938 Los Angeles Mojave Desert: 12 miles N of Palmdale, Sierra Highway at Ave G to 1/10 mi. NW of intersection., [UTM 10km cell: LJ-9E, 4N. Sterks Ranch] 706 Comment
  JEPS69109  Eriastrum sapphirinum Frank W. Peirson 1918-6-28 156 Los Angeles foothills e Rubio Canyon; San Gabriel Mts. 609 Comment
  UC880228  Eriastrum sapphirinum Ira W. Clokey, B. Templeton May 1929 4551 Los Angeles Mandeville Canyon Santa Monica Mountains 500 Comment
  JEPS69103  Eriastrum sapphirinum Frank W. Peirson 1921-7-1 922 Los Angeles Arraster Creek San Gabriel Mountains (n slope of mt.) 944 Comment
  UC284176  Eriastrum sapphirinum P. A. Munz 1923-9-1 7724 Los Angeles near meadow at the Ranger Station; San Antonio Mts., Swartout Valley 1828 Comment
  CAS-BOT-BC514979  Eriastrum sapphirinum subsp. dasyanthum Alice Eastwood 1928-6-15 15388 Los Angeles Claremont Comment
  UCR197724  Ericameria cooperi Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 74 Los Angeles Transverse Ranges; San Gabriel Mountains, south edge of Bob's Gap, on slopes and roadside, and down in the wash 1433 Comment
  LA98869  Ericameria linearifolia E. R. Hobbs; 1979-6-25 79- 94 Los Angeles Antelope Valley, Palmdale, NW corner of Avenue P and 30th Street Comment
  OBI15438  Ericameria linearifolia Louis C. Wheeler 1932-4-9 563 Los Angeles 4 mi WSW Fairmont, Antelope Valley 914 Comment
  UC1118733  Ericameria linearifolia N. French 1934-5-11 346 Los Angeles 1 mi ne of Ravenna; Tujunga Quadrangle Comment
  CAS-BOT-BC32823  Ericameria monactis Adolph Daniel Edward Elmer 1902-6-1 3668 Los Angeles Lancaster Comment
  SEINET5708377 Image available Ericameria nauseosa var. speciosa Lowell E. Urbatsch, Dennis Clark; Matt Betkouski 1973-1 1446 Los Angeles Rancho Santa Ana Botanic Gardens; Rancho Santa Ana Botanic Garden Comment
  UCR265500  Ericameria palmeri Dan S. Cooper 2015-5-13 515- 46 Los Angeles Los Angeles Basin; Coastal Plain, Willow Springs oil field, Long Beach, west of Signal Hill, NW of intersection of Orange Ave. & Willow St. 30 Comment
  RSA626228  Ericameria parishii L. C. Wheeler 1966-10-1 8954 Los Angeles San Gabriel Mountains: Coldwater Canyon, off Big Tujunga. 1/2 mile south of Colby Ranch. 1295 Comment
  RSA359445  Ericameria parishii var. parishii Anstruther Davidson 1893-08 s.n. Los Angeles Wilsons Peak. Comment
  POM359461  Ericameria pinifolia L. E. Hoffman 1934-6-14 s.n. Los Angeles Trail Canyon, Angeles Forest. Comment
  SBBG62776  Ericameria teretifolia R. Hoffmann 1928-11-11 Los Angeles Little Rock Dam Comment
  JEPS41516  Erigeron breweri var. bisanctus C. E. Hutchinson 1892-6-28 Los Angeles San Gabriel Canyon 914 Comment
  UC135181  Erigeron breweri var. bisanctus C. F. Baker 1903-8-2 3658 Los Angeles near Claremont; San Antonio Canon Comment
  UCD131779  Erigeron canadensis Kenneth A. Wilson 1963-10-24 1306 Los Angeles Santa Monica Mountains. Old Topanga Canyon Road, 1/2 mile NW of Topanga Canyon Blvd. Comment
  RSA628320  Erigeron foliosus L. C. Wheeler 1970-7-25 s.n. Los Angeles San Gabriel Mountains: Heliport 0.3 mi. N of South Mt. Hawkins 2287 Comment
  UCR124549  Erigeron foliosus B. C. Templeton 1932-7-21 5047 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  UCR256231  Erigeron foliosus R. G. Swinney 2010-6-4 13043 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
  RSA588870  Erigeron foliosus var. foliosus Orlando Mistretta 1994-9-21 1495 Los Angeles San Gabriel Mtns., Santiago Canyon, At jct. of Forest Rd. 4N20 with Santiago Creek. 1280 Comment
  UC895833  Erigeron foliosus var. foliosus Ira W. Clokey, B. Templeton 1929-6-1 4584 Los Angeles Mandeville Canyon Monica Mountains, Mandeville Canyon 350 Comment
  UCR146531  Erigeron foliosus var. foliosus Scott D. White 2004-8-11 10696 Los Angeles San Gabriel Mtns, c. 8 air mi WNW of Wrightwood; east of Fenner Saddle Rd. on Pacific Crest trail 2195 Comment
  POM357475  Erigeron foliosus var. foliosus Fordyce Grinnell Jr. 1910-7-10 1931 Los Angeles West Fork Divide, San Gabriel Mts. Comment
  PASA1735  Erigeron philadelphicus Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  RSA785822  Eriodictyon crassifolium K. Dobry 1991-4-4 415 Los Angeles San Gabriel Mts. at Upper Elsmere Cyn. Comment
  UC1124353  Eriodictyon crassifolium var. nigrescens G. E. Sindel 1935-1-7 104 Los Angeles 1.25 mi se Quail Lake; Tejon Quad., se of Quail Lake Comment
  RSA190886  Eriodictyon traskiae Robert F. Thorne 1967-5-19 36887 Los Angeles Santa Catalina Island; at head of Sweetwater Cyn. 457 Comment
  CAS-BOT-BC214384  Eriodictyon trichocalyx Alice Eastwood 1919-5-29 8989 Los Angeles San Gabriel Canyon Comment
  RSA455075  Eriodictyon trichocalyx L. E. Hoffman 1931-11-9 s.n. Los Angeles Big Rock Creek Comment
  RSA779992  Eriodictyon trichocalyx R. G. Swinney 2009-6-24 11229 Los Angeles summit of Granite Mountain 1988 Comment
  UC880714  Eriodictyon trichocalyx Louis C. Wheeler 1932-7-2 907 Los Angeles Browns Flat; San Gabriel Mts., Browns Flat 1310 Comment
  UCR223710  Eriodictyon trichocalyx R. G. Swinney 2009-6-12 11122 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  SD215613  Eriogonum angulosum Steve Boyd, Lauren Raz 1996-10-14 9092 Los Angeles Liebre Mountains region, extreme northwestern corner of the range in Peace Valley, small side canyon just east of Interstate 5 off Copco Road. 990 Comment
  CAS-BOT-BC244058  Eriogonum brachyanthum A. D. E. Elmer 1902-6-1 3688 Los Angeles Acton Comment
  SBBG61858  Eriogonum brachyanthum P. A. Munz, I. M. Johnston 1928-9-4 11166 Los Angeles ca. 2 mi E of Palmdale 1005 Comment
  SBBG61870  Eriogonum brachyanthum R. Hoffmann 1927-7-16 Los Angeles near Chandler's, Ridge Route (US Hwy 99) Comment
  UCR127663  Eriogonum brachyanthum A. C. Sanders, Mark Elvin 2002-6-20 25255 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  UCR174490  Eriogonum cithariforme Anuja Parikh, Nathan Gale 2005-7-5 2123 Los Angeles Santa Susana Mtns., Newhall Ranch, slopes south of upper Potrero Canyon, south of Santa Clara River c. 2 mi. east of the Ventura Co. line, study area 19 396 Comment
  CAS-BOT-BC242776  Eriogonum davidsonii LeRoy Abrams 1902-6-29 2592 Los Angeles Fredalba Comment
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Oct 14 2020
  SFV19164  Eriogonum davidsonii J. N. Hogue 2004-8-8 231 .2 Los Angeles San Gabriel Mountains Camp Eaton (= Camp Cumorah Crest). 3 km northeast of Newcomb Ranch. 1860 Comment
  RSA0116576  Eriogonum elongatum R. G. Swinney 2011-9-22 15690 Los Angeles San Gabriel Mountains; Camp Colby (Colby Ranch), near entrance gate along Camp Colby Rd., c. 0.5 road mile north of lodge. 1009 Comment
  CATA3422  Eriogonum fasciculatum Jaimie Choi, Stuart Olshevski 2017-4-26 003 Los Angeles Santa Catalina Island: Middle Cottonwood WMU on SE side of ERE road between El Rancho Escondido and the Airport 284 Comment
  RSA393509  Eriogonum fasciculatum Robert Gustafson 1981-5-13 2211 Los Angeles Ballona Wetlands, Area 1 Comment
  RSA59071  Eriogonum fasciculatum G. R. Campbell 1950-4-17 14586 Los Angeles Escondido Canyon, leading to Malibu Lake, ca. 5 miles above Highway Alt. 101. 457 Comment
  LA82477  Eriogonum fasciculatum var. foliolosum O. H. Kappler; 1940-6-9 44 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  POM2250  Eriogonum fasciculatum var. foliolosum L. R. Abrams 1902-7-5 1559 Los Angeles Near the power house, San Gabriel Canyon. Comment
  RSA547834  Eriogonum fasciculatum var. foliolosum Tim S. Ross, Peter Fritsch 1990-6-20 3635 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
  RSA65151  Eriogonum fasciculatum var. foliolosum F. W. Peirson 1919-1-26 305 Los Angeles San Gabriel Mountains: Rubio Reservoir, foot of Rubio Canyon 549 Comment
  SD40462  Eriogonum fasciculatum var. foliolosum Edith A. Purer 1931-2-11 Los Angeles Griffith Park, hillside Comment
  RSA596226  Eriogonum fasciculatum var. polifolium Tim S. Ross, S. D. Boyd, Peter Fritsch 1990-6-11 3395 Los Angeles San Gabriel Mountains, Little Rock Creek: on SW side of Little Rock Creek reservoir 997 Comment
  UC412912  Eriogonum fasciculatum var. polifolium D. L. Crawford 1915-8-14 501 Los Angeles Mts. near Claremont 1524 Comment
  RSA20487  Eriogonum giganteum var. formosum P. A. Munz 1923-4-10 6754 Los Angeles San Clemente Island, middle of island Comment
  CAS-BOT-BC253470  Eriogonum gracile LeRoy Abrams 1900-8-1 1041 Los Angeles Ballona Harbor Comment
  SBBG62110  Eriogonum gracile R. Hoffmann 1928-11-9 Los Angeles Acton Comment
  RSA615862  Eriogonum gracile var. gracile Scott D. White 1995-10-19 3697 Los Angeles S edge of Santa Susana Mts., above Chatsworth, +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Blvd.); 0.7-1.0 air mi SE of Chatsworth Peak. 370 Comment
  UCR127669  Eriogonum gracile var. gracile Mark A. Elvin, Kim Marsden 2003-8-8 2970 A Los Angeles Santa Clarita Valley, Newhall Ranch, Potrero Canyon SW of the junction of Potrero Creek and the Santa Clara River 305 Comment
  RSA393217  Eriogonum grande var. grande E. S. Spalding s.n. Los Angeles Banning Beach, Santa Catalina Island. Comment
  SD92012  Eriogonum grande var. grande Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-22 22670 Los Angeles on cliff above sea, east side 1 mile south of Wilson's Cove, San Clemente Island 35 Comment
  OBI6104  Eriogonum heermannii Carl B. Wolf 1932-10-21 4363 Los Angeles 1/8 mi below Big rock Ranger Station, Big Rock creek, desert slope of San Gabriel Mts Comment
  CAS-BOT-BC261222  Eriogonum hirtiflorum Joseph Andorfer Ewan; A. Nesta Dunn 1933-7-23 7830 Los Angeles Trail from Barley Flats to Tujunga Creek, San Gabriel Mts. 1371 Comment
  SD232302  Eriogonum mohavense Scott D. White 2003-6-8 9514 Los Angeles W. Mojave Desert; near Lake Los Angeles. North of Avenue O and E of 150th St.E. (Lovejoy Buttes) 801 Comment
  CAS-BOT-BC269771  Eriogonum nudum var. pauciflorum G. J. Goodman; C. L. Hitchcock 1930-7-28 1719 Los Angeles S. slope of Mt. San Antonio 2438 Comment
  SBBG64160  Eriogonum nudum var. pubiflorum R. Hoffmann 1927-8-31 Los Angeles Bouquet Cyn Comment
  UCR210160  Eriogonum parishii R. G. Swinney 2008-7-24 9358 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
  RSA772169  Eriogonum pusillum R. G. Swinney 2009-5-12 10748 -A Los Angeles lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg.) of Littlerock. 1061 Comment
  SBBG118578  Eriogonum pusillum L. Gross, O. Mistretta, V. Soza 2003-5-13 889 Los Angeles Big Rock Crk, N and E of Valyermo Ranger Stn, off Big Pines Hwy; T4N R9W S8 1143 Comment
  UCR149527  Eriogonum pusillum R. G. Swinney 1997-6-25 5642 Los Angeles San Gabriel Mtns., southwest of Wrightwood, Blue Ridge c. 0.5 mi. west of Guffy Camp, Forest Service Rd. 3N06, c. 5.1 miles east of Hwy 2 2518 Comment
  UCR193530  Eriogonum pusillum R. G. Swinney 1999-6-18 7295 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  UCSB33296  Eriogonum roseum Griesel, Wesley; Miller, B. 1963-7-2 Los Angeles Sawmill Campground Sawmill Mt 1676 Comment
  RSA628811  Eriogonum saxatile Scott D. White, Dave Bramlet 1998-6-29 6816 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. 1707 Comment
  RSA773606  Eriogonum saxatile R. G. Swinney 2009-6-24 11263 Los Angeles summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1909 Comment
  CAS-BOT-BC262863  Eriogonum thurberi Alice Eastwood 1906-5-27 251 Los Angeles Roscoe Comment
  CAS-BOT-BC262864  Eriogonum thurberi Alice Eastwood 1913-5-11 3172 Los Angeles San Fernando Wash Comment
  OBI2658  Eriogonum umbellatum var. minus Wesley O. Griesel 1961-7-9 s.n. Los Angeles White Thorn Picnic Area, state hwy 2, San Gabriel Mts Comment
  UCR107076  Eriogonum umbellatum var. minus R. G. Swinney 1995-8-28 4479 Los Angeles San Gabriel Mtns., West Mt. Baldy summit 3043 Comment
  UCR147558  Eriogonum umbellatum var. minus Naomi Fraga, Sarah De Groot, Paul Morton, Aydee Virgen 2004-7-28 1317 Los Angeles Transverse Ranges; San Gabriel Mountains region, Summit of Cucamonga Peak 2701 Comment
  RSA659865  Eriogonum umbellatum var. munzii Orlando Mistretta 1992-8-20 757 Los Angeles Transverse Ranges; San Gabriel Mtns Region: Mt Gleason. Tujunga Ranger District. Comment
  SD215620  Eriogonum viridescens Timothy S. Ross, Steve Boyd 1990-6-18 3502 Los Angeles Ball Flat; heavily disturbed site currently used for refuse disposal. 1743 Comment
  UCR222762  Eriogonum viridescens R. G. Swinney 2009-5-12 10748 B Los Angeles Transverse Range; San Gabriel Mtns., lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg. ) of Littlerock 1088 Comment
  RSA773906  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2009-7-22 11299 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 Comment
  RSA420584  Eriogonum wrightii var. subscaposum F. R. Fosberg 1931-8-11 S- 5647 Los Angeles Pine Flats, north fork, San Gabriel Canyon, San Gabriel Mountains 1820 Comment
  CAS-BOT-BC297952  Eriophyllum confertiflorum Geo. B. Grant 1904-6-26 4162 Los Angeles Mt Lowe Comment
  IRVC26181  Eriophyllum confertiflorum A. C. Sanders 2003-5-1 26247 Los Angeles NE side of Castaic Mesa, near Angeles National Forest boundary, ca. 0.6 mi. due west of confluence of Bitter and Charlie Canyons Western San Gabriel Mtns. 396 Comment
  RSA608713  Eriophyllum confertiflorum L. C. Wheeler 1931-3-30 s.n. Los Angeles La Verne. Comment
  SBBG128452  Eriophyllum confertiflorum M. L. Hoefs 1994-5-21 1871 Los Angeles near Renton Mine Rd 195 Comment
  UCR68912  Eriophyllum confertiflorum Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4244 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  LA209915  Eriophyllum confertiflorum var. confertiflorum Harlan Lewis; 1940-2-4 1058 Los Angeles Santa Monica Mountains, Saddle Peak, near Saddle Peak Comment
  LA95491  Eriophyllum confertiflorum var. confertiflorum T. A. Geissman; 1969-5-5 40669 -ECAV Los Angeles along Antelope Valley Fwy. 3 mi. E of Soledad Comment
  POM54696  Eriophyllum confertiflorum var. confertiflorum C. F. Baker 1903-8-4 15689 Los Angeles San Antonio Canyon near Claremont Comment
  RSA0106729  Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-6-23 15290 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station. 1570 Comment
  RSA530074  Eriophyllum confertiflorum var. confertiflorum Timothy S. Ross 1991-8-16 5855 Los Angeles Horse Flats, San Gabriel Mountains. 1713 Comment
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Sep 24 2014
  UC1118341  Eriophyllum confertiflorum var. confertiflorum G. T. Nordstrom 1935-3-25 404 Los Angeles 1.75 mi se of mouth of Beartrap Canyon; Santa Barbara National Forest, Tejon Quadrangle 792 Comment
  UC90265  Eriophyllum confertiflorum var. confertiflorum T. S. Brandegee May 1890 Los Angeles Santa Catalina Island Comment
  UCR139269  Erodium A. C. Sanders 2003-5-22 26830 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
  RSA483712  Erodium botrys Richard Noyes 1988-4-30 553 Los Angeles Claremont. San Gabriel Mountains: Burbank Canyon, northwest of Thompson Creek Dam 500 Comment
  RSA0088417  Erodium cicutarium R. G. Swinney 2010-2-27 11745 Los Angeles Sunland, SE end of Hansen Dam Basin, Haines Canyon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain 348 Comment
  LA32291  Erodium moschatum Peter H. Raven; Henry J. Thompson 1959-5-5 14111 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  UC205876  Erysimum capitatum I. Johnston 1917-6-20 1357 Los Angeles Baldy (USFS) Lookout San Antonio Mts. 1828 Comment
  POM143116  Erysimum capitatum var. capitatum C. F. Baker 1904-5-3 4748 Los Angeles Near Claremont Comment
  RSA530233  Erysimum suffrutescens Marie Jensen 1931-7-10 16036 Los Angeles El Segundo Comment
  RSA530239  Erysimum suffrutescens T. S. Clare, G. Austin 1929-2-25 281 Los Angeles El Segundo, Los Angeles Comment
  UCR233749  Erysimum suffrutescens Jeremiah George 2012-3-11 s.n. Los Angeles South Coast, Palos Verdes Estates, just east of junction of Palos Verdes Blvd., Palos Verdes West and Palos Verdes Dr. North 73 Comment
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Aug 27 2013
  SD241189  Erythranthe floribunda R. G. Swinney 2009-4-3 10277 Los Angeles Transverse Ranges; San Gabriel Mountains Foothills: Duarte/Azusa border, San Gaabriel Canyon wash, east side of channel 1.2 miles north of Foothill Blvd. (Azusa 7.5'Q) 182 Comment
  SBBG38709  Eschscholzia californica R. Moran 1941-2-25 612 Los Angeles above sea, N of Wilson's Harbor 100 Comment
  RSA161095  Eschscholzia californica var. peninsularis Peter H. Raven 1962-5-22 17834 Los Angeles Santa Catalina Island, first canyon W of Lions Head Point 52 Comment
  UCR24592  Eschscholzia glyptosperma Leota Davidson 1965-5-15 181 Los Angeles Mojave Desert, road near Palmdale 930 Comment
  RSA0010847  Eucalyptus camaldulensis Robert Gustafson 1981-4-14 2164 Los Angeles Ballona Wetlands, southwestern section of Area 2. Comment
  UC1870198  Eucalyptus globulus LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 408 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Northwest side, Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane off of Newhome Ave. in city of Sunland 427 Comment
  CHSC95746  Eucalyptus robusta LeRoy Gross 2003-2-22 740 Los Angeles Transverse Ranges: Verdugo Mountains Region: South side; A short distance up mouth of Brand Canyon, west next to Brand Canyon Cemetery. North of the Debris Basin. At end of road. 287 Comment
  OBI60002  Eucalyptus sideroxylon Joseph Andorfer Ewan 1933-4-15 10869 Los Angeles Newtan Estate, Loma Dr, Los Angeles Comment
  RSA0045262  Eucrypta chrysanthemifolia R. G. Swinney 2010-3-22 12007 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
  SD234419  Eucrypta chrysanthemifolia A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26125 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, E of and above Lake Hughes Rd., near Castaic Lake dam (Warm Springs Mtn. 7.5' Q) 487 Comment
  POM296801B  Eucrypta chrysanthemifolia Lyman Benson 1946-3-29 12287 Los Angeles Indian Hill, Claremont. 427 Comment
  POM4510  Eucrypta chrysanthemifolia C. F. Baker 1903-5-5 11609 Los Angeles Claremont. Comment
  UCR199997  Eucrypta chrysanthemifolia var. chrysanthemifolia Valerie Soza, Mariam Sidibeh 2003-3-26 1608 Los Angeles Transverse Ranges; Verdugo Mountains, Western San Rafael Hills, Ridge Motorway off Camino San Rafael, southwest of Emerald Isle Drive and Camino San Rafael junction, above Mayors Bicentennial Park 579 Comment
  RSA0110920  Euphorbia R. G. Swinney 2011-9-22 15671 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), c. 300 meters north of lodge along service rd. 1073 Comment
  UCD142532  Euphorbia albomarginata R. R. Jeffries 1931-9-18 2264 Los Angeles Van Nuys. Comment
  UCD142554  Euphorbia albomarginata Marian Vincent 1963-5-22 354 Los Angeles Santa Monica Mountains. At intersection of Old Topanga Canyon Road and Mulholland. 1/2 mile off road. Comment
  UCR261331  Euphorbia melanadenia R. G. Swinney 2010-3-24 12174 Los Angeles San Gabriel Mountains, Pacoima area, Lopez Canyon, 1.7 miles west of Kagel Canyon on Lopez Cyn. Rd., to 300 meters east of road on E-W running ridge 503 Comment
  UCR51907  Euphorbia melanadenia Adelina Munoz 1988-5-14 120 Los Angeles San Gabriel Mtns, San Dimas: Sycamore Canyon behind San Dimas Canyon Park 305 Comment
  RSA3616  Euphorbia peplus C. B. Wolf 1932-5-14 3635 Los Angeles Santa Catalina Island. Hillside above Amphitheatre, Avalon. 61 Comment
  RSA638242  Euphorbia peplus L. C. Wheeler 1945-4-15 6011 Los Angeles San Gabriel Mountains: Millard Canyon. 106 Comment
  SD186183  Euphorbia serpillifolia A. C. Sanders 2003-5-22 26829 Los Angeles Gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. 170 Comment
  UCD98892  Fallopia convolvulus Robert F. Thorne; M. Z. Thorne 1969-7-10 38404 Los Angeles San Gabriel Mtns., Angeles National Forest; just E of Big Pines Ranger Station. 2072 Comment
  LA98907  Festuca arundinacea E. R. Hobbs; 1979-5-6 79 -68 Los Angeles Placerita Canyon State and County Park Comment
  RSA0056248  Festuca arundinacea Orlando Mistretta, Mike Hammit 1991-4-15 s.n. Los Angeles San Francisquito Canyon. 543 Comment
  SBBG13296  Festuca myuros M. A. Piehl 1962-6-9 62340 Los Angeles China Cyn (near head), ca. 2 mi from China Pt 213 Comment
  SBBG105340  Ficus carica H. L. Ferguson 1979-6-24 Los Angeles 100 m S of Mosquito Cove Cyn 5 Comment
  RSA393714  Filago californica F. R. Fosberg 1931-4-22 4670 Los Angeles Santa Catalina Island. Eagle's Nest, Middle Ranch Canyon. 180 Comment
  UCR258863  Filago californica R. G. Swinney 2010-3-16 11937 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
  RSA527646  Filago californica Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4367 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  RSA545178  Filago gallica Timothy S. Ross 1992-4-16 6201 Los Angeles San Clemente Island: central part of island on upland stipa ulchra grassland, 268 degrees W, 500m distant from 1603ft peak above stone field station 439 Comment
  RSA650270  Foeniculum vulgare A. E. Hersh 1950-7-25 s.n. Los Angeles Locale- dry vacant lot, Washington Blvd. and Sawtelle, Culver City 30 Comment
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Dec 9 2013
  RSA729489  Forestiera pubescens R. G. Swinney 1999-6-21 7381 Los Angeles Boulder Canyon Wash, south of east-west road that runs through Big John Flat. Wash bottom in ravine. 1634 Comment
  UC1123329  Forestiera pubescens G. T. Nordstrom 1935-5-11 582 Los Angeles 2 mi nw Mouth of Liebre Gulch; Santa Barbara National Forest, Tejon Quad. 792 Comment
  LA207727  Frangula californica subsp. californica Louis C. Wheeler; 1931-11-6 334 Los Angeles San Dimas Wash 335 Comment
  SBBG26942  Frangula californica subsp. californica I. W. Clokey, B. Templeton -Jun-1929 4586 Los Angeles Mandeville Cyn 200 Comment
  LA205388  Frankenia salina J. Burtt Davy; October 1896 2948 Los Angeles Antelope Valley, near Rosamond Comment
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Jul 23 2014
  SEINET3151939  Frankenia salina L. Abrams 1902-6-9 2500 Los Angeles Playa del Rey Comment
  LA205581  Frasera neglecta Martha Hilend; 1926-7-6 254 Los Angeles San Bernardino Mountains, Holcomb Valley Comment
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Jan 14 2015
  RSA609015  Frasera parryi Louis C. Wheeler 1931-4-12 s.n. Los Angeles San Gabriel Mountains: Mouth of San Dimas Canyon. Comment
  UCR224019  Fraxinus uhdei Steve Boyd, Rick Riefner 2007-4-27 11741 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
  POM3583  Fraxinus velutina W. R. Dudley, F. H. Lamb 1896-6-9 4376 Los Angeles Kings Canyon, Liebre Mts. Comment
  SEINET10766868  Fremontodendron californicum George Yatskievych, Michael D. Windham; Fay, Wei Li 2011-5-12 Yatskievych 11 -15 Los Angeles Along dirt road (Big Rock Creek Road) to South Fork campground, heading S off Big Pines Highway, Angeles National Forest, N side of San Gabriel Mountains. 1254 Comment
  SFV21162  Fremontodendron californicum subsp. californicum J. N. Hogue 2007-6-21 295 .3 Los Angeles San Gabriel Mountains Along Sulphur Springs Road near Horse Flats Campground. 1765 Comment
  POM6861  Fritillaria biflora Philip A. Munz, L. T. Street, G. Williams 1919-3-8 2302 Los Angeles Pomona. Comment
  SBBG15514  Fritillaria biflora W. G. Webb 1935-3-13 Los Angeles San Rafael Hills, N of Glendale Comment
  RSA0073373  Fumaria officinalis R. G. Swinney 2010-3-16 11956 Los Angeles San Gabriel Mountains/Verdugo Mountains: Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  POM3367  Funastrum cynanchoides var. hartwegii D. L. Crawford 1915-7-1 s.n. Los Angeles Claremont. Comment
  SFV2818  Funastrum cynanchoides var. hartwegii K. A. Wilson 1961-4-20 1146 Los Angeles San Gabriel Mountains Soledad Canyon. Sandy wash at base of Bee Canyon. 550 Comment
  UCR23790  Galinsoga parviflora Alfred R. Roos 1947-10-12 s.n. Los Angeles West Los Angeles Comment
  POM367648  Galium andrewsii subsp. andrewsii Anstruther Davidson 1892-7-4 s.n. Los Angeles Acton. Comment
  UCR106296  Galium angustifolium B. G. Pitzer 1996-5-5 2851 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
  UCR206449  Galium angustifolium R. G. Swinney 2008-6-9 8966 Los Angeles San Gabriel Mtns., lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  UCR259238  Galium angustifolium R. G. Swinney 2010-9-9 13749 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
  LA208337  Galium angustifolium subsp. angustifolium F. R. Fosberg; 1932-5-5 8109 Los Angeles Santa Catalina Island, hill n. Avalon 30.0 Comment
  LA50692  Galium angustifolium subsp. angustifolium Carl Epling; 1925-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA584970  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd 1990-6-1 2759 Los Angeles San Gabriel Mountains, Moody Canyon (a.k.a. 'The Toilet Bowl of Death'): draining northward from Messenger Flats and Mt Gleason. 1159 Comment
  JEPS40558  Galium angustifolium subsp. angustifolium Lauramay T. Dempster 1964-1-27 3981 Los Angeles Dark Canyon Angeles Crest Highway 716 Comment
  UC28169 Image available Galium angustifolium var. pinetorum Dr. A. Davidson 1893-1 Los Angeles Sierra Madre Mts.; ; Sierra Madre Mts., Los Angeles Co. Comment
  CATA1128  Galium aparine Mark L. Hoefs 1995-5-23 2096 Los Angeles Santa Catalina Island: Middle Canyon, near Eagles Nest Lodge 124 Comment
  RSA588082  Galium aparine Orlando Mistretta, Tim S. Ross 1994-6-1 1295 Los Angeles San Gabriel Mountains: Santiago Canyon. 1799 Comment
  RSA654559  Galium aparine Benjamen Rangel 1992-4-10 777 -04 Los Angeles In the avocado orchard behind the dormitories at Cal Poly; along the freeway fence. Comment
  SEINET4092384  Galium aparine M. B. Dunkle 1940-1 7417 Los Angeles Santa Barbara Island. West end, Flat Terrace.. Comment
  RSA763507  Galium californicum subsp. flaccidum Orlando Mistretta, Christine Mistretta 2008-5-20 3137 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 95 per TRTP Survey 2008), Rincon Red box Rd., W Fork of the San Gabriel River, N slope of Monrovia Pk. 1453 Comment
  CATA778  Galium catalinense Mark L. Hoefs 1991-6-5 1340 Los Angeles Santa Catalina Island: Hillside southeast of Hamilton Cove 60 Comment
  SD66874  Galium catalinense R. Mitchel Beauchamp 1967-3-20 376 Los Angeles Santa Catalina Island; slopes above beach road, south of Avalon Comment
  UCR143193  Galium catalinense F. R. Fosberg 1931-3-27 S- 4418 Los Angeles Channel Islands, Pebble Beach Road, Santa Catalina Island 50 Comment
  RSA248873  Galium catalinense subsp. acrispum Robert F. Thorne 1973-4-12 42965 Los Angeles Large canyon S of Mosquito Cove N of Chenity; San Clemente Island. 274 Comment
  RSA678131  Galium grande Valerie L. Soza, Monica Acosta 2001-6-20 1299 -b Los Angeles Above Cold Springs Canyon, east of White Saddle, along Silver Fish Road (FS Road 1N29), ca. 1.54 miles east of junction with Van Tassel Truck Trail (FS Road 1N36). 854 Comment
  UCD169685  Galium hallii Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: ca. 300 yards E of foot of Holiday Hill Ski Lift. 1997 Comment
  RSA555198  Galium johnstonii Robert F. Thorne, M. Z. Thorne 1969-7-9 38498 Los Angeles San Gabriel Mountains, Angeles National Forest: summit of Table Mt. 2134 Comment
  CATA46  Galium nuttallii USC Wrigley Interns: Miller Zou, Daniel Kasang, Alexandria Cheung, Sabrina Lawrence-Gomez, Sarah Ratay 2011-7-8 26 Los Angeles Santa Catalina Island: Deer Valley Trail 62 Comment
  POM17602  Galium parishii Philip A. Munz 1923-8-30 7663 Los Angeles San Gabriel Mountains, Swartout Valley. North of Big Pines. 2226 Comment
  UC1375335  Galium parishii Wesley O. Griesel 1963-8-1 864 Los Angeles Mt. San Antonio eastern San Gabriel Mtns. 2987 Comment
  SD237321  Gamochaeta pensylvanica A. C. Sanders, Dan S. Cooper 2010-4-30 38154 Los Angeles South Coast: Madrona Marsh, Torrance. Former oil field with gravel service road remnants. 24 Comment
  SBBG112944  Gamochaeta ustulata S. A. Junak 1998-5-16 SCa 699 Los Angeles above Swain's (Swain) Cyn, overlooking Toyon Bay 381 Comment
  SFV16898  Gamochaeta ustulata J. N. Hogue 1997-6-25 s. n. Los Angeles Los Angeles, Eagle Rock. 152 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
  UCR190024  Gayophytum R. G. Swinney 1998-6-12 6955 Los Angeles San Gabriel Mtns., NW of Jackson Lake at Ball Flat, 0.7 mi. north of Big Pines Hwy on 4N16, Ball Flats Rd. 1890 Comment
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May 1 2012
  UCR223176  Gayophytum R. G. Swinney 2009-7-22 11318 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  UCR276718  Gayophytum R. G. Swinney 2010-9-21 13864 Los Angeles San Gabriel Mountains, summit of Mt. Hawkins, at north end of Copter Ridge 2698 Comment
  SBBG38928  Genista linifolia M. A. Piehl 1962-10-3 62514 Los Angeles highway, ca. 1 mi above Avalon Comment
  UCR182383  Gilia R. G. Swinney 1997-7-22 5699 Los Angeles San Gabriel Mtns, Government Canyon, west of Wrightwood, 0.75 mi. west of San Bernardino Co. line at Hwy 2, Blue Ridge Mtn. area 2195 Comment
  CATA890  Gilia Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-31 1704 Los Angeles Santa Catalina Island: Side canyon of Middle Canyon, across the road from large oak tree 237 Comment
  RSA0102408  Gilia Lyman Benson, Robert Benson 1953-4-20 15096 Los Angeles Southwest corner of Indian Hill, Claremont. 426 Comment
  SEINET14623611  Gilia angelensis E. Braunton 1902-4-29 240 Los Angeles North Pomona. Comment
  SFV22059  Gilia angelensis V. Soza, L. Gross, B. Hogshead 2001-4-18 1162 Los Angeles Verdugo Mountains Verdugo Mountains. Ridgetop above McDonald Creek. 457 Comment
  UCR125394  Gilia angelensis A. C. Sanders, Mark Elvin 2003-3-5 25743 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Exon Mesa,' due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River 335 Comment
  POM156660  Gilia angelensis L. R. Abrams 1903-4-10 3245 Los Angeles Grassy hills, near Inglewood Comment
  RSA643161  Gilia brecciarum subsp. brecciarum Orlando Mistretta, S. D. Boyd 1995-3-28 1731 Los Angeles San Gabriel Mountains: Little Rock Creek Management Unit; Bare Mt. Canyon. 1356 Comment
  PASA775  Gilia brevicula Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  LA52325  Gilia capitata subsp. abrotanifolia Mary Reynolds; 1937-5-2 155 Los Angeles Santa Monica Mountains, at mouth of Malibu Creek Comment
  SFV21381  Gilia capitata subsp. abrotanifolia L. Moore, R. Burchet, L. Gross, D. Zygielbaum 2000-6-8 41 Los Angeles Verdugo Mountains La Tuna Canyon Park. Off La Tuna Canyon Road on Santa Monica Mountains Conservancy Land. Southwest-facing slope off of trail. 546 Comment
  RSA470149B  Gilia diegensis Anstruther Davidson s.n. Los Angeles Acton. Comment
  RSA334184  Gilia latiflora subsp. latiflora R. F. Thorne 1973-5-11 43531 Los Angeles Along Mt. Emma Road, 1/2 mi. E of Little Rock Creek below the dam. 1037 Comment
  RSA229161  Gilia leptantha subsp. transversa R. F. Thorne, C. W. Tilforth 1971-6-30 40827 -B Los Angeles San Gabriel Mts., Angeles National Forest: Desiccated branch of S fork of Little Rock Creek, 1.8 miles below Alder Saddle in Pinyon Flats area. 1555 Comment
  JEPS69687  Gilia minor W. L. Jepson 1935-4-17 17034 Los Angeles Lancaster , Lancaster (w Mohave Desert) 716 Comment
  SBBG13267  Gilia nevinii M. A. Piehl 1962-6-9 62318 Los Angeles head of cyn just below (N of) Chenity (S of Mosquito Cove) 304 Comment
  SBBG98522  Gilia nevinii T. Ross 1991-5-23 5494 Los Angeles lower Tota Cyn, E escarpment 80 Comment
  UCR209870  Gilia ochroleuca subsp. bizonata R. G. Swinney 2008-7-16 9243 Los Angeles San Gabriel Mtns., Will Thrall Peak, west of Burkhart Saddle 2392 Comment
  UCR270459  Gilia ochroleuca subsp. bizonata R. G. Swinney 2011-5-12 14677 Los Angeles San Gabriel Mountains, east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  CAS-BOT-BC402100  Gilia ochroleuca subsp. bizonata Brandegee 1889-1-1 s.n. Los Angeles South side Ravenna P.O. Comment
  RSA0016259  Gilia ochroleuca subsp. bizonata Robert L. Dressler 1949-4-23 715 Los Angeles 4 mi. W. of Vincent. 860 Comment
  RSA0017205  Gilia ochroleuca subsp. bizonata Orlando Mistretta, Mark Elvin 1995-5-10 1699 Los Angeles Bare Mountain Canyon 1463 Comment
  SBBG64351  Gilia ochroleuca subsp. bizonata R. Hoffmann 1931-5-2 Los Angeles below cabin, San Francisquito Cyn Comment
  RSA469709  Gilia tricolor Amelia Eatherton 1930-05 s.n. Los Angeles Griffith Park. Comment
  RSA599943  Gnaphalium californicum L. C. Wheeler 1968-3-17 s.n. Los Angeles San Gabriel Mountains: Wildwood Canyon along Ferguson Motorway. 480 Comment
  RSA662672  Gnaphalium canescens Paul Neipp 1994-5-5 24 Los Angeles directly west of San Dimas Ranger Station on San Dimas Canyon Rd. Comment
  SEINET11849353  Gnaphalium chilense J. F. Bright, Wyman, C. 1931-1 5691 Los Angeles Hollywood Comment
  UCR163185  Gnaphalium palustre Kathleen Stockwell 2003-6-11 s.n. Los Angeles San Gabriel Mtns, Palmer Canyon, Claremont, North Padua Ave, road to water tank at edge of bulldozed area, NNE of Padua Hills Theater 610 Comment
  POM358905  Gnaphalium palustre B. C. Templeton 1934-10-13 4802 Los Angeles Los Angeles River Comment
  RSA678201  Gnaphalium stramineum Valerie L. Soza, LeRoy Gross 2001-4-24 1177 Los Angeles Santa Anita 1999 Fire area, above Santa Anita Canyon, ca. 0.6 mile WNW of the Santa Anita Dam. 884 Comment
  UCR125613  Gnaphalium stramineum A. C. Sanders 2003-5-22 26828 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
  UCR228416  Goodmania luteola Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-18 8004 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, ca. 100 m SSE of jct with Sierra Highway and Avenue B 703 Comment
  RSA763219  Grayia spinosa Justin M. Wood 2010-5-10 1583 Los Angeles San Gabriel Mountains: Little Rock Creek: upstream of Little Rock reservoir to confluence w/ Santiago Creek. 999 Comment
  SEINET11835900  Grindelia camporum var. bracteosa J. F. Bright, Wyman, C. 1931-1 5467 Los Angeles near Pasadena Comment
  POM153298  Grindelia camporum var. camporum P. A. Munz, I. M. Johnston 1928-9-5 11180 Los Angeles Rock Creek 1220 Comment
  RSA584311  Guillenia lasiophylla Timothy S. Ross, Steve Boyd 1991-3-23 4276 Los Angeles Northeastern-most corner of the county, ca. 3 mi. SSE of Jackrabbit Hill (Kern Co.), (ca. 1.45 mi. S of Kern Co. line and 0.2-0.5 mi. W of San Bernardino Co. line). 878 Comment
  SFV21453  Gutierrezia californica L. Gross, V. Soza, S. Tessel 2001-6-4 401 Los Angeles Verdugo Mountains Northwest side of mountains. Just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek in Sun Valley. On ridge that runs down to the mouth of McDonald Creek, on west side of creek but a short distance from the main crest. 366 Comment
  UCR182389  Gutierrezia californica R. G. Swinney 1998-5-15 6052 Los Angeles San Gabriel Mountains, San Gabriel (Azusa) Canyon, 1.5 mi. north of Foothill Blvd. on east side of Encanto Rd. 183 Comment
  RSA90690  Gutierrezia sarothrae F. W. Peirson 1920-5-12 2130 Los Angeles Foothill Blvd. San Gabriel Wash, S base of San Gabriel Mts. 182 Comment
  LA202297  Gypsophila elegans var. elegans Arthur C. Gibson; 2005-5-1 5047 Los Angeles Comment
  POM369713  Harpagonella palmeri F. R. Fosberg 1931-3-26 S- 4392 Los Angeles Santa Catalina Island. Above St. Catherine Hotel. 15 Comment
  UCR143116  Harpagonella palmeri F. R. Fosberg 1931-3-26 S- 4384 Los Angeles Channel Islands, west [of] Hamilton Beach, Santa Catalina Island 80 Comment
  RSA157780  Hazardia cana Peter H. Raven 1962-5-10 17730 Los Angeles San Clemente Island; large canyon west of Thirst. 305 Comment
  UCR271587  Hazardia squarrosa var. grindelioides R. G. Swinney 2011-11-3 15996 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre 549 Comment
  UCR190865  Helenium bigelovii R. G. Swinney 1998-8-6 6716 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, at cliff seep c. 100 m below Falls Gulch 1000 Comment
  RSA482494  Helianthemum scoparium Richard Noyes, L. Arnseth 1988-7-30 547 Los Angeles Burbank Canyon, NW of Thompson Creek Dam 525 Comment
  SD112705  Helianthus annuus Darley F. Howe Unknown 164 Los Angeles Claremont Comment
  POM156529  Helianthus annuus subsp. lenticularis L. R. Abrams 1902-7-3 2640 Los Angeles Sierra Madre. Comment
  POM31210  Helianthus annuus var. lenticularis Marcus E. Jones 1882-2-27 s.n. Los Angeles Pasadena. Comment
  UCR269136  Helianthus gracilentus Orlando Mistretta, Christine Mistretta 2011-7-6 5917 Los Angeles San Gabriel Mountains, Fall Creek Canyon, tributary of North Fork Mill Creek, along Forest Road 3N27 1239 Comment
  UCR59929  Helianthus gracilentus S. J. Myers 1989-4-28 s.n. Los Angeles Palmdale area, Elizabeth Lake Road at California Aqueduct 884 Comment
  RSA654726  Heliotropium curassavicum var. oculatum Scott Lowe 1991-5-18 39 Los Angeles San Gabriel River channel, about 400 m north of San Gabriel River Parkway bridge, city of Pico Rivera. Comment
  POM155626  Hemizonia fasciculata M. L. Bryan 1928-5-9 22 Los Angeles Mandeville canyon. Near Santa Monica. Comment
  POM360269  Hemizonia fasciculata Wm. Martin 1971-8-5 s.n. Los Angeles Stunt Canyon, Santa Monica Mts. Comment
  CAS-BOT-BC388493  Herniaria hirsuta var. cinerea P. A. Munz; I. M. Johnston 1921-3-28 4406 Los Angeles Pomona College Campus 365 Comment
  CAS-BOT-BC388494  Herniaria hirsuta var. cinerea Timothy S. Ross; J. Mark Porter 1995-5-4 8489 Los Angeles Liebre Mountains. Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road 682 Comment
  RSA248879  Hesperevax sparsiflora var. sparsiflora R. F. Thorne 1973-4-12 42975 Los Angeles Large canyon S of Mosquito Cove N of Chenity; San Clemente Island. 274 Comment
  CHSC95448  Hesperocnide tenella LeRoy Gross; Valerie Soza 2001-6-6 433 Los Angeles Los Angeles Basin: Verdugo Mountains Region: north side; Hostetter Mountain Way, off of La Tuna Canyon Road. 701 Comment
  LA34217  Hesperocnide tenella Peter H. Raven; 1959-5-9 14169 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  SD193178  Hesperoyucca whipplei A. C. Sanders 2005-5-5 29903 Los Angeles Western San Gabriel/Liebre Mountains Region: Santa Clarita area, Cruzan Mesa along dirt road at northeast end of mesa. 640 Comment
  UCD169114  Hesperoyucca whipplei R. G. Swinney 2009-6-17 11192 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UCR269949  Hesperoyucca whipplei R. G. Swinney 2010-6-1 13107 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
  POM199549  Heteromeles arbutifolia I. W. Clokey, Bonnie C. Templeton 1929-07 4589 Los Angeles Mandeville Canyon. 200 Comment
  RSA454313  Heteromeles arbutifolia F. R. Fosberg 1931-5-7 s- 5359 Los Angeles Avalon, Santa Catalina Island. 50 Comment
  SBBG94399  Heteromeles arbutifolia Knopf, Johnson 1930-1-30 695 Los Angeles Avalon Cyn Comment
  UCR38914  Heteromeles arbutifolia B. A. Prigge 1985-6-14 6421 Los Angeles Western Transverse Range; Santa Monica Mtns., Cold Creek Canyon; along trail below Murphy Ranch Site 598 Comment
  RSA0074510  Heterotheca fastigiata R. G. Swinney 1988-9-5 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. Big Dalton Canyon Road 1.4 mi. NE of Glendora Mountain Road. 457 Comment
  CAS-BOT-BC318849  Heterotheca grandiflora Herman Knoche 1919-6-25 916 Los Angeles Santa Catalina Island Comment
  RSA0074418  Heterotheca grandiflora M. B. Dunkle 1928-10-7 2014 Los Angeles Santa Catalina Island. Descanso Canyon. 244 Comment
  SEINET11261239  Heterotheca grandiflora K. Dobry 1991-4-27 d 120 Los Angeles Upper Stunt Road, Cold Creek Canyon, Santa Monica Mountains.; 0 Comment
  UCR124029  Heterotheca sessiliflora A. C. Sanders, Mark A. Elvin 2002-8-28 25600 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusement park 360 Comment
  LA210550  Heterotheca sessiliflora subsp. sessiliflora A. M. Johnson; 1927-10-20 2659 .5 Los Angeles Antelope Valley, Palmdale Comment
  RSA0063086  Heuchera abramsii P. A. Munz 1922-7-21 6113 Los Angeles Mt. San Antonio, San Gabriel Mountains. 3049 Comment
  CAS-BOT-BC48165  Heuchera elegans Antone Blazic 1921-6-1 s.n. Los Angeles Mt. Wilson Comment
  CAS-BOT-BC48169  Heuchera elegans Robert F. Thorne 1971-8-25 41284 Los Angeles San Gabriel Mts., Angeles National Forest: Along trail from Windy Gap to Mt. Hawkins on rocky ridge. 2438 Comment
  SFV16360  Heuchera elegans anon. 1992-5-25 Los Angeles San Gabriel Mountains Road up to Mount Wilson from Red Box. Comment
  RSA311406  Hirschfeldia incana Cheryl A. Lawson 1971-6-26 411 Los Angeles San Gabriel Mountains, Angeles National Forest: Little Tujunga Canyon. Comment
  RSA127791  Hirschfeldia incana P. H. Raven, H. J. Thompson 1959-9-6 14376 Los Angeles Near mouth of Malibu Creek. (Lat; N. 34 degrees, Long. 118 to 119 degrees W.) 12 Comment
  CAS-BOT-BC149948  Holodiscus discolor var. discolor I. M. Johnston 1917-7-28 1570 Los Angeles N. Fk. San Antonio [Canon] Canyon (Old Gold Ridge Mine) 2438 Comment
  SD2179  Holodiscus discolor var. microphyllus Ruth B. Randall 1928-7-4 Los Angeles Top of Mt. Islip Comment
  RSA85263  Holodiscus microphyllus F. W. Peirson 1920-9-12 76 Los Angeles Summit of Mt. San Antonio, San Gabriel Mountains 3064 Comment
  UCR187104  Hordeum depressum A. C. Sanders 2006-5-16 32300 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
  UCR265466  Hordeum depressum Jordan Zylstra 2015-4-10 15002 Los Angeles Western Antelope Valley, Tejon Ranch, vicinity of Quail Lake, north of SR-138, east of Cement Plant Road 1016 Comment
  SD252252  Hordeum intercedens Steven A. Junak 1999-5-20 Sca 954 Los Angeles Santa Catalina Island: Cottonwood-Black Jack Road, plant stop. 305 Comment
  CATA74  Hordeum murinum Peter Henrikson 1987-4-13 56 Los Angeles Santa Catalina Island: Hermit Gulch 121 Comment
  CAS-BOT-BC289331  Hordeum murinum subsp. glaucum John H. Thomas 1957-5-17 6767 Los Angeles Occidental College Campus near Moore Laboratory, Los Angeles Comment
  LA98911  Hordeum murinum subsp. leporinum E. R. Hobbs; 1979-4-18 79 56 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  LA33401  Hordeum vulgare Peter H. Raven; 1959-5-3 14097 Los Angeles Santa Monica Mountains, Mulholland Drive at Laurel Pass 350 Comment
  RSA258395  Hordeum vulgare C. W. Tilforth 1973-4-18 771 Los Angeles Weeds of RSABG Comment
  SEINET10894206  Hordeum vulgare Amelia F. Eby Eby s.n. Los Angeles Brewer. Comment
  SBBG72465  Horkelia cuneata var. puberula M. N. Ackley -Apr-1922 939 Los Angeles Montrose 365 Comment
  CAS-BOT-BC311971  Hulsea heterochroma Timothy S. Ross; Steve Boyd 1994-5-10 7748 Los Angeles Liebre Mountains. Lower Deer Canyon: inside the rather broad mouth of the canyon, ca 220-380 m NNW of its confluence with Elizabeth Lake Canyon 883 Comment
  UCR190291  Hulsea heterochroma R. G. Swinney 1998-8-1 6628 Los Angeles San Gabriel Mtns., Vincent Gulch, 1.2 miles SE of Vincent Gap Trail Head, c. 2 miles east of the summit of Mt. Baden-Powell 1631 Comment
  UCR221442  Hydrocotyle ranunculoides D. E. Bramlet 1999-11-10 2826 Los Angeles Snow Creek, City of Industry, 16 m east of Valley Blvd. and 107 m north of Grand Ave., 229 m west of the existing San Jose Creek flood control channel 55 Comment
  RSA453772  Hydrocotyle verticillata Theodore Payne 1917-8-1 3262 Los Angeles Santa Monica, Marshes. Comment
  POM4805  Hymenoclea salsola var. salsola L. R. Abrams, E. A. McGregor 1908-7-2 542 Los Angeles Rock Creek. Desert slopes of the San Gabriel Mountains. 1220 Comment
  CATA2032  Hypochaeris glabra Steven A. Junak, Mark Hoefs, Lisa Stratton, Keri Kirkland 1998-5-2 Los Angeles Santa Catalina Island: S of road to East Peak, on ridge SW of Peak 1245, ca. 0.9 air miles WNW of East Peak 252 Comment
  UCR200204  Hypochaeris glabra Valerie Soza, LeRoy Gross, Adelina Munoz 2000-5-12 890 Los Angeles Verdugo Mountains, northeast side, Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. Fire road south from Engleheard Canyon to powerlines 396 Comment
  RSA547794  Hypochaeris glabra Timothy S. Ross, Peter Fritsch 1990-6-20 3608 Los Angeles San Gabriel Mountains: Burro Canyon near the confluence of the E and W forks of the San Gabriel River; elevation ranging from stream bottom to slopes. 445 Comment
  SBBG105364  Isocoma menziesii H. L. Ferguson 1981-4-20 251 Los Angeles mouth of Horse Cyn 38 Comment
  RSA595125  Iva axillaris Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8569 Los Angeles Liebre Mountains, upper Liebre Gulch northwest of the site of Tumble Inn, at the intersection of Angeles National Forest Roads 8N05 and 8N01. 988 Comment
  POM156276  Jaumea carnosa L. R. Abrams 1902-6-19 2566 Los Angeles Ballona marshes, near Mesmer Comment
  POM2128  Juglans californica C. F. Baker 1909-4-10 5294 Los Angeles Glendora Comment
  RSA0085287  Juglans californica R. G. Swinney 2010-8-16 13531 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  RSA781951  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37169 Los Angeles Pomona, Cal Poly Pomona campus at Kellogg West. 259 Comment
  UCR209209  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37168 Los Angeles San Gabriel Valley, Pomona, Cal Poly Pomona campus at Kellogg West 267 Comment
  UC537068  Juglans californica var. californica Philip A. Munz 1934-4-2 13142 Los Angeles Puddingstone Canyon San Dimas 304 Comment
  UC847333  Juglans californica var. californica Ira W. Clokey, B. Templeton Apr. 1929 4465 Los Angeles Mandeville Canyon Santa Monica Mountains 350 Comment
  UCR220092  Juglans nigra Fred M. Roberts, Ian Cain, Chezzy W. Brungraber 2010-5-3 7296 Los Angeles Los Angeles Basin, Whittier Narrows Dam Recreation Area,west of Rosemead Blvd, just west of archery range, 0.8 mi southwest of Rosemead Blvd Bridge over Pomona Fwy 63 Comment
  UCR277035  Juncus bufonius R. G. Swinney 2010-5-25 12920 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  CATA1170  Juncus bufonius var. bufonius Mark L. Hoefs 1995-5-30 2164 Los Angeles Santa Catalina Island: In and near water course, just above Ben Weston Beach 15 Comment
  RSA0116659  Juncus macrophyllus R. G. Swinney 2008-10-10 9583 Los Angeles San Gabriel Mtns.; Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  RSA530057  Juncus macrophyllus Timothy S. Ross 1991-8-16 5852 Los Angeles Horse Flats, San Gabriel Mountains. 1713 Comment
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Sep 24 2014
  UCR149910  Juncus macrophyllus R. G. Swinney 1999-6-18 7336 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  UCR204855  Juncus macrophyllus R. G. Swinney 2005-8-9 8399 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  UCR209920  Juncus oxymeris R. G. Swinney 2008-7-15 9240 Los Angeles San Gabriel Mtns., Buckhorn Canyon 200 m north of Burkhart Saddle trailhead 1927 Comment
  RSA617225  Juncus rugulosus LeRoy Gross 1998-9-12 56 Los Angeles Wildwood picnic area. Right below road to picnic area off Big Tujunga canyon road. 6 miles from sunland. Spring running down the north side of road, on south side of hill with sunny exposure. 609 Comment
  UCR273253  Juncus rugulosus R. G. Swinney 2011-10-25 15881 Los Angeles San Gabriel Mountains, south end of Coldbrook Campground, along Coldbrook Cr., from 50 m south to 100 m north of Hwy 39 1006 Comment
  RSA0065463  Juncus tenuis S. Granger 1974-6-29 s.n. Los Angeles Little Rock Creek Canyon. 1981 Comment
  RSA368373  Juncus torreyi Anstruther Davidson 1892-08 s.n. Los Angeles Los Angeles River, near Fruitland. Comment
  RSA368379  Juncus xiphioides F. R. Fosberg 1931-5-13 S- 4861 Los Angeles Eagles Nest, Middle Ranch Canyon, Santa Catalina Island 180 Comment
  RSA592823  Juniperus californica Steve Boyd 1996-4-24 8659 Los Angeles Liebre Mountains, northwestern end of the range on the ridgetop and upper slopes of the southern flank of Apple Canyon. 1067 Comment
  RSA725214  Juniperus californica Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -35 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
  UCR196009  Juniperus californica R. F. Thorne 1973-5-11 43569 Los Angeles Transverse Ranges; San Gabriel Mtns region, Mohave Desert Slope, along Mt. Emma Road, 1.9 mi west of Little Rock Creek, below the dam 1159 Comment
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Jan 27 2011
  RSA600356  Keckiella breviflora var. breviflora Steve D. Boyd, Lauren Raz 1997-5-28 9882 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  CAS-BOT-BC235755  Keckiella cordifolia Robert F. Thorne; D. Propst 1968-5-27 37632 Los Angeles Santa Catalina Island: in Middle Ranch Canyon, etc. Comment
  RSA300705  Keckiella cordifolia James R. Shevock 1974-7-19 3728 Los Angeles Along FS Road 3N17. 3.5 miles east of Bear Divide Station, San Gabriel Mountains, Angeles National Forest. 1128 Comment
  RSA527789  Keckiella cordifolia Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-4-8 4355 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  NY790457  Keckiella ternata var. septentrionalis T. S. Ross 1990-6-28 3957 Los Angeles Liebre Mountain: southerly slopes to the south and southwest of the West Summit and ridge to its West. Liebre Mountain 7.5' USGS Quadrangle. 1389.9 Comment
  RSA522593  Kochia californica David J. Keil, V. L. Holland, Michael Stiles, Francis Villablanca 1987-4-30 20039 Los Angeles Ca. 1 mile W of jctn. with California Rte 14 along California Rte 138. Comment
  POM308942  Koeleria macrantha Kay H. Beach 1943-5-11 653 Los Angeles Little Meadow near fire break below The Forest Boundary Comment
  UC1584888  Koeleria macrantha Tim Ross and Steve Boyd 1991-7-24 5619 Los Angeles ridge nne Granite Mountain; Pacifico Mountain Quad., Granite Mountain vicin 1889 Comment
  CATA944  Lamarckia aurea Mark L. Hoefs, Robert Given 1992-4-16 1808 Los Angeles Santa Catalina Island: Wild Boar Gully 152 Comment
  POM1249  Lamarckia aurea C. F. Baker 1909-5-20 5270 Los Angeles Claremont. 365 Comment
  SD51880  Lamarckia aurea Peter H. Raven 1962-4-9 17156 Los Angeles near barracks, Wilson Cove, San Clemente Island 60 Comment
  RSA717151  Lamium amplexicaule LeRoy Gross 2006-4-29 s.n. Los Angeles Housing tract located in the city of Sunland (Sunhill Estates). On south bluff overlooking Big Tujunga Wash. 366 Comment
  UCR86825  Lamium amplexicaule Scott D. White 1995-4-27 2943 Los Angeles Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon. Road, SW of Malibu Civic Center Way 92 Comment
  CDA5665  Lamium amplexicaule L. C. Wheeler 1973-5-6 s.n. Los Angeles San Gabriel Mountains; San Gabriel Mountains: Indian Canyon Campground (off Soledad Canyon) T4N R13W NW1/4 sec. 20. Elev. 2700 . Comment
  RSA0004830  Langloisia flaviflora Anstruther Davidson 1922-5-28 3506 Los Angeles Willow Springs. Comment
  SEINET12276196  Lantana camara J. F. Bright, Wyman, C. 1931-1 5694 Los Angeles Hollywood Comment
  LA203786  Lasthenia glabrata subsp. coulteri A. M. Johnson; 1934-4-3 4394 Los Angeles Del Rey Hills Comment
  SBBG95197  Lasthenia gracilis M. B. Dunkle 1928-3-31 1765 Los Angeles Little Harbor 91 Comment
  UC284966  Lasthenia gracilis P. A. Munz 1923-4-9 6688 Los Angeles near Lemon Tank; San Clemente Island Comment
  UCR187234  Lasthenia gracilis A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32209 Los Angeles Tehachapi Mtns. Foothills, hills immediately NW of Quail Lake, vicinity of Benchmark 3562/Quail 1098 Comment
  UCR255831  Lasthenia gracilis R. G. Swinney 2010-5-12 12744 Los Angeles San Gabriel Mountains, Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  UCD133796  Lasthenia gracilis Elise Jackson 1993-3-19 9 Los Angeles Placerita Canyon Nature Center, Walker Ranch. Top of dirt road, just inside gate. 548 Comment
  CAS-BOT-BC361125  Lasthenia microglossa Ernest C. Twisselmann 1962-4-18 6946 Los Angeles Liebre Mountains: 0.25 mile northwest of the old Liebre Ranch headquarters edit 1066 Comment
  RSA0091721  Lathyrus vestitus R. G. Swinney 2011-4-9 14390 Los Angeles NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  RSA583071  Lathyrus vestitus subsp. vestitus T. S. Ross 1993-4-22 6910 Los Angeles Santa Catalina Island: SW part of the island in Bullrush Canyon; 1080 m due N of Cactus Peak (1560 ft); on terrace-like portion near base of northerly slope 259 Comment
  UC729592  Lathyrus vestitus var. alefeldii Carl B. Wolf 1932-5-9 Los Angeles about 0.5 mi way to Mexican Houses; Santa Catalina Island, Pebbly Beach Canyon 60 Comment
  RSA406662  Lathyrus vestitus var. vestitus L. E. Hoffman s.n. Los Angeles Millard's Canyon, Angeles Forest. Comment
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Jan 1 2017
  SEINET3143225  Lavatera assurgentiflora Unknown 1904-1 672 -4841 Los Angeles Santa Catalina Island, Pacific Ocean off coast of S California Comment
  RSA536066  Lavatera assurgentiflora subsp. assurgentiflora Tim S. Ross 1991-5-22 5437 Los Angeles San Clemente Island, east edge of Wilson Cove Settlement along outer road loop near tennis court. 55 Comment
  UC520362  Lavatera assurgentiflora subsp. assurgentiflora Louis C. Wheeler 1932-8-28 1307 Los Angeles Puddingstone Dam , Puddingstone Dam (San Jose Hills) 274 Comment
  CHSC95915  Layia glandulosa LeRoy Gross 2005-5-3 2227 Los Angeles Transverse Ranges; San Gabriel Mountains region: West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.36587N, 117.86280 W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. (Valyermo 7.5 Quad: T4N, 5N R9W, 10W S6, 1, 31, NW1/4 of 6, NE1/4 of 1, SW1/4 of 31.) Alt.: 1085-1215m/3560-3984ft. 1150 Comment
  RSA747143  Layia glandulosa R. G. Swinney 2008-5-8 8809 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
  SBBG61209  Layia glandulosa R. Hoffmann 1927-5-8 237 Los Angeles Little Rock 914 Comment
  UCD133911  Layia glandulosa Tom Gordon 1974-4-26 168 Los Angeles Devil's Punchbowl Road. Around 1 mile south of Longview Road. Comment
  RSA597142  Lemna minuta L. C. Wheeler 1961-2-28 7801 Los Angeles Santa Monica Mountains. Griffith Park, Ferndell. Comment
  UC104294  Lepechinia fragrans Dr. A. Davidson Los Angeles near Wilsons Peak Comment
  RSA429961  Lepidium dictyotum Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  UC56974  Lepidium flavum H. M. Hall May 1 1902-May 3 1902 3041 Los Angeles Antelope Valley Comment
  UC10622  Lepidium fremontii A. Davidson Los Angeles Antelope Valley Comment
  RSA526547  Lepidium lasiocarpum Steve Boyd, L. Arnseth 1990-4-7 4233 b Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  SD52833  Lepidium lasiocarpum subsp. lasiocarpum Peter H. Raven 1962-4-11 17258 Los Angeles San Clemente Island; on sandy beach due west of Wall 2. 6 Comment
  SBBG70834  Lepidium virginicum R. Hoffmann 1928-7-7 Los Angeles Soledad Cyn Comment
  RSA429661  Lepidium virginicum var. pubescens F. R. Fosberg 1930-7-3 3088 Los Angeles Lexington Wash, San Gabriel River. El Monte. 80 Comment
  CAS-BOT-BC328057  Lepidospartum squamatum J. Ewan 1931-10-24 5272 Los Angeles 1 mile above Malibu Lake. Santa Monica Mts. Comment
  JEPS30655  Lepidospartum squamatum Peter H. Raven and Henry J. Thompson 1958-9-19 13728 Los Angeles near Lake Sherwood (in dry stream near junction of Decker and Potrero Canyon Roads); Santa Monica Mountains 281 Comment
  UCR217819  Lepidospartum squamatum Dan S. Cooper 2010-8-26 810- 97 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, south side of Zoo Dive, just west of Travel Town 168 Comment
  CATA422  Leptochloa fusca subsp. uninervia Sara L. Crockett 1997-2-1 559 Los Angeles Santa Catalina Island: 0.3 mile NE of Wrigley Botanical Garden, toward Avalon on Avalon Canyon Road (E side), on N side of L. A. County Interpretive Center 91 Comment
  RSA0036177  Leptodactylon californicum Bill Duval s.n. Los Angeles Montrose. Comment
  RSA653742  Leptodactylon californicum subsp. glandulosum Valerie L. Soza, LeRoy Gross, Adelina Munoz 2000-5-12 894 Los Angeles Verdugo Mountains, northwest side: Northwestern end of Verdugo Crestline Drive from New Home Avenue, Sunland. 457 Comment
  RSA748793  Leptodactylon pungens R. G. Swinney 2001-8-9 8014 Los Angeles Mount Williamson, second peak from east on the ridge. 2494 Comment
  UCSB51951  Leptosiphon aureus subsp. aureus Butts, T. 1967-4-13 Los Angeles Hwy. 14, 15 mi. SW of Palmdale; foothills of San Gabriel Mts.; Bee Canyon 670 Comment
  CATA3039  Leptosiphon bicolor Amy Catalano 2016-3-18 047 Los Angeles Santa Catalina Island: On west side ca. 0.75 miles down of second Old Hunting Road along Empire Landing Road between Airport Road and Sheep Chute Road, about 270 meters off road 252 Comment
  RSA73042  Leptosiphon parviflorus F. W. Peirson 1919-5-18 4711 Los Angeles Hills east of Monrovia Canyon 457 Comment
  UC1287364  Lessingia glandulifera var. peirsonii Willard Spence 1960-8-23 577 Los Angeles 1.7 mi w of entrance to Lake Elizabeth Ranch Club (on the road to Lake Hughes) Comment
  UC501463  Lessingia glandulifera var. peirsonii Frank W. Peirson 1923-6-9 3550 Los Angeles King Canyon Liebre Mts., King Canyon 1173 Comment
  RSA642421  Lewisia rediviva Orlando Mistretta 1995-6-23 1831 Los Angeles San Gabriel Mountains: Lookout Mt. Trail. 1981 Comment
  CAS-BOT-BC283716  Leymus condensatus Timothy S. Ross; Steve Boyd 1994-9-20 8243 Los Angeles Upper Bouquet Canyon: ca 2225 m WSW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet Reservoir, along S side of Bouquet Canyon Road 993 Comment
  RSA599741  Leymus triticoides L. C. Wheeler 1967-11-18 s.n. Los Angeles San Gabriel Mountains : Old Point Comfort; Big Rock Creek. 1280 Comment
  RSA729948  Leymus triticoides R. G. Swinney 1999-5-8 7134 Los Angeles San Gabriel Mtns.: Pinon Hills, Boneyard Canyon near spring not shown on topo, very near LA Co. line. 1463 Comment
  SEINET10893744  Leymus triticoides LeRoy R. Abrams 1902-6-12 Abrams 2524 Los Angeles Ballona creek, near Mesmer. Comment
  UCR209652  Lilium parryi R. G. Swinney 2008-7-2 9142 Los Angeles San Gabriel Mtns., north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
  UCR163459  Linanthus B. G. Pitzer 1998-5-23 3718 Los Angeles Western Mojave Desert, c. 18 air mi. NW of Adelanto, 12.8 mi (air) west of the San Bernardino Co. line, 240th St. East, c. 3.6 mi. north of junction with El Mirage Rd (Ave. 'P') & c. 2.9 mi. south of Avenue 'J 866 Comment
  UCR123894  Linanthus aureus Steven R. Hill, K. Kramer 2001-4-22 33387 Los Angeles Southwestern Mojave Desert, South side of Calif. Hwy 138 (Pearblossom Hwy) just east of Palmdale and c. 1 mi west of Little Rock; W side of Little Rock Wash 860 Comment
  UC908656  Linanthus aureus subsp. aureus Chas. M. Belshaw Mar 27 1935-Mar 30 1935 478 Los Angeles near Neenach (w Antelope Valley); Mohave Desert, Antelope Valley Comment
  UCR190369  Linanthus breviculus R. G. Swinney, Cody Clarke 2001-6-20 8004 Los Angeles San Gabriel Mtns., summit of Mt. Lewis, NW of Dawson Saddle 2560 Comment
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Feb 6 2013
  RSA704204  Linanthus concinnus Naomi Fraga, Sarah J. De Groot, Aydee Virgen 2004-5-26 1223 Los Angeles Off of Largo Vista Road, near intersection of dirt road that leads to Big John Flats. 1524 Comment
  RSA613724  Linanthus dichotomus L. C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mountains: North of Mill Canyon off Soledad Canyon near Ravennna. 716 Comment
  SBBG64491  Linanthus parryae M. N. Ackley 1927-5-8 Los Angeles Little Rock foothills 914 Comment
  UC1595581  Linanthus parryae W. Wisura, E. Roeder 1992-4-21 4693 Los Angeles near Valyermo (Mountain Brook Ranch) Comment
  RSA400301  Linaria canadensis var. texana Thekla Mohr 1897-04 s.n. Los Angeles San Gabriel. [the city of?] Comment
  SD126625  Lithophragma Bill Wagner 1989-3-10 Los Angeles Santa Monica Mountains, approx. I(c) mi. S of Hwy 101 & I(c) mi. W of Kanan Road (N9), vicinity of ladyface Peak 456 Comment
  CAS-BOT-BC426271  Lithophragma affine S. B. Parish 1919-4-19 19263 Los Angeles Lone Hill, near San Dinias Comment
  CATA3325  Lithophragma affine Amy Catalano 2017-4-3 042 Los Angeles Santa Catalina Island: About 1.25 miles down canyon from eastern junction between Middle Ranch & Skull Ridge roads, on n-facing bank on south side of road 249 Comment
  UC1736211  Lithophragma heterophyllum Dean W. Taylor 1992-5-1 12491 Los Angeles 1 mile East of Gorges Gap on Angeles Crest Highway (Highway 2) 1219 Comment
  RSA468212  Lithophragma heterophyllum Louis Greata 1901-03 s.n. Los Angeles Sierra Madre Mountains Comment
  UCSB34492  Loeseliastrum matthewsii Timbrook, Steven 1977-4-21 Los Angeles 3.1 miles west of 263rd Street East on California 18 Comment
  SBBG98056  Logfia arizonica T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5193 Los Angeles 1300 ft NNW of Guds (888') marker 240 Comment
  RSA739664  Logfia filaginoides John Dittes 2006-5-30 1376 Los Angeles Western Transverse Range, San Gabriel Mtns, Big Tujunga Canyon, 3.7 air miles NE of Verdugo Hills High School, 2.5 air mile SW of Condor Peak, 2.5 air miles SSE of Mt. McKinley 529 Comment
  POM356950  Lolium perenne subsp. multiflorum Jack Rempel 1940-05 s.n. Los Angeles Playa Del Rey Comment
  RSA641651  Lolium perenne subsp. multiflorum L. C. Wheeler 1967-8-8 10403 Los Angeles San Gabriel Mts., Angeles National Forest: confluence of Alder Creek and East Fork 1250 Comment
  RSA0037090  Lomatium dasycarpum subsp. dasycarpum Vasu Dev, Barbara Dev, Chris Hanzlik 2007-4-22 s.n. Los Angeles About six miles north-east off Bouquet Canyon Road beyond its junction with Vasquez Canyon Road, north-west facing hill above the cabins. 730 Comment
  UC934041  Lomatium dasycarpum subsp. dasycarpum H. L. Cogswell 1951-5-8 81 Los Angeles 0.75 mi N of San Dinias Park (Sec. B-10, Plot 2); San Gabriel Mountains, base of 518 Comment
  RSA21780  Lomatium dissectum var. multifidum C. B. Wolf 1937-5-20 8741 Los Angeles Tehachapi Mts., 1 mi. so. of Tejon Pass on Hungry Valley Road. 1280 Comment
  UC457263  Lomatium lucidum Carl Epling 1931-4-18 Los Angeles Los Alisos Canyon Comment
  LA201799  Lomatium lucidum Arthur C. Gibson; 2003-5-30 4956 Los Angeles 198 Comment
  RSA97319  Lomatium lucidum F. W. Peirson 1920-3-28 2098 Los Angeles North slope of low hills at foot of Tujunga Canyon, w. end of San Gabriel Mountains. 457 Comment
  UC1619327  Lomatium lucidum Timothy S. Ross, Steve Boyd 1990-5-15 2538 Los Angeles Yerba Buena Ridge, peripheral ridge N from Yerba Buena Road dividing tributaries of Oak Spring Canyon (W) and Boulder Canyon (N) San Gabriel Mountains, Angeles National Forest, Tujunga Rang 914 Comment
  UCSC001451  Lomatium mohavense Peter Kamb 1948-5-6 964 Los Angeles desert foothills of the San Gabriel Mts. above Little Rock Little Rock, San Gabriel Mts 975 Comment
  RSA608911  Lomatium mohavense subsp. mohavense L. C. Wheeler 1968-5-12 s.n. Los Angeles Divide between Punchbowl Canyon and Watkins Creek at end of road and beginning of Burkhart Trail. 1585 Comment
  RSA0073283  Lomatium nevadense var. parishii Bonnie C. Templeton 1932-5-31 4655 Los Angeles Near Jackson Lake, Big Pines Camp, San Gabriel Mts. Comment
  LA32132  Lomatium utriculatum Peter H. Raven; Henry J. Thompson 1959-4-3 13927 Los Angeles Santa Monica Mountains, just E of Malibu Junction 243 Comment
  RSA455169  Lonicera hispidula var. vacillans T. Gertrude Williamson 1924-08 s.n. Los Angeles Catalina Island. Comment
  RSA455163  Lonicera interrupta Martha Hilend 1928-5-27 327 Los Angeles 8 miles west of Elizabeth Lake. Comment
  RSA522337  Lonicera interrupta T. S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4025 Los Angeles San Gabriel Mountains: NE of Tie Summit Station and E of Angeles Forest Highway, Tujunga Ranger District. Westerly drainage that meets Tie Canyon. 1524 Comment
  UC184329  Lonicera interrupta A. D. E. Elmer June, 1902 3694 Los Angeles Acton Mt. Gleason Comment
  CAS-BOT-BC234815  Lonicera subspicata John Thomas Howell 1927-10-16 3157 Los Angeles On trail from Santa Anita Canon [Canyon] to Sierra Madre, San Gabriel Mts. Comment
  UCR104187  Lonicera subspicata Scott D. White 1997-5-21 5197 Los Angeles San Gabriel Mtns., San Gabriel River Canyon: north of Azusa, parallel to Hwy 39, along unnamed dirt access road to gauging station below Morris Dam 290 Comment
  CHSC8090  Lonicera subspicata var. denudata Edward L. Smith 1958-2-20 328 Los Angeles Located in Cobal Canyon. San Gabriel Mtns. 609 Comment
  RSA455366  Lonicera subspicata var. denudata E. S. Spalding 1923-5-23 s.n. Los Angeles Santa Monica Mountains, Laurel Canyon. Comment
  RSA526616  Lotus argophyllus subsp. ornithopus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 s.n. Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  RSA350756  Lotus argophyllus var. hancockii M. B. Dunkle 1939-4-4 7252 Los Angeles San Clemente Island: China Point, Pyramid Cove Comment
  UC169101  Lotus dendroideus var. dendroideus George B. Grant and Walter Wheeler Apr 21 1904-Apr 26 1904 710 a/2958 Los Angeles Santa Catalina Island Comment
  RSA678781  Lotus hamatus Valerie L. Soza, LeRoy Gross 2002-4-16 1416 Los Angeles Ridge between Pettinger and Dry canyons, beneath powerlines along FS road 6N21. Stables Fire 2001 area. 598 Comment
  POM18112  Lotus heermannii var. heermannii P. A. Munz 1923-5-25 6819 Los Angeles Big Rock Creek, San Gabriel Mts. 1280 Comment
  RSA776784  Lotus heermannii var. heermannii Orlando Mistretta, Christine Mistretta 2010-6-15 5303 Los Angeles Transverse Ranges; San Gabriel Mountains region: Upper Big Tujunga Canyon; Lynx Gulch. Along Lynx Gulch Road, 0.68 road miles N of junction with Upper Big Tujunga Canyon Road. 1045 Comment
  RSA652433  Lotus oblongifolius A. E. Hersh 1950-7-24 s.n. Los Angeles UCLA campus, south parterre. 60 Comment
  RSA771854  Lotus oblongifolius R. G. Swinney 2009-5-28 10921 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  UCR125967  Lotus purshianus A. C. Sanders, Mark Elvin 2002-6-19 25158 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  RSA724418  Lotus purshianus var. purshianus K. Dobry 1991-6-27 d- 784 Los Angeles Santa Monica Mts. 1 mi E. of Las Virgenes Rd off Mulholland Hwy. at Soka Univ. NE section. Comment
  IRVC28986  Lotus salsuginosus A. C. Sanders 2003-6-19 26977 A Los Angeles hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 366 Comment
  RSA177714  Lotus salsuginosus R. F. Thorne, P. C. Everett 1965-5-12 34618 Los Angeles Bulrush Canyon, Santa Catalina Island. 244 Comment
  UCR99597  Lotus salsuginosus var. salsuginosus R. G. Swinney 1994-3-19 2717 Los Angeles San Gabriel Mtns., Glendora, 2.5 mi northwest of Big Dalton Canyon Road at Glendora Mountain Rd, c. 100 m below (S) of road 549 Comment
  RSA406472  Lotus salsuginosus var. salsuginosus Anstruther Davidson 1902-5-4 1341 Los Angeles San Gabriel Canyon Comment
  IRVC28578  Lotus scoparius A. C. Sanders, Mark Elvin 2002-6-19 25156 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
  RSA498861  Lotus scoparius H. L. Bauer 1929-4-1 s.n. Los Angeles Santa Monica. Comment
  UCR217315  Lotus scoparius subsp. brevialatus R. G. Swinney 2009-3-10 10080 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  UCR281641  Lotus scoparius subsp. scoparius R. G. Swinney 2014-5-8 16475 Los Angeles San Gabriel Mountains, near Lang, 50-100 meters SW of Soledad Cyn. Rd. at a curve, Santa Clara Wash and Bee Cyn. confluence 537 Comment
  UC15590  Lotus scoparius var. brevialatus Harley P. Chandler 1897-5-11 Los Angeles Claremont 457 Comment
  RSA0080965  Lotus scoparius var. scoparius R. G. Swinney 2010-4-28 12403 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  UCR269943  Lotus scoparius var. scoparius R. G. Swinney 2010-4-15 12239 Los Angeles San Gabriel Mountains, Indian Canyon, at confluence with Lopez Cyn., east side of Lopez Cyn. Road, NE side of jct. of Lopez Cyn. Rd. and Bailey Rd., outside forest service boundary 415 Comment
  RSA655992  Lotus strigosus James Henrickson 1985-3-30 19777 Los Angeles 3 air mi. NNW of Newhall in proposed North Hills development just north of Santa Clara River and just E of San Francisquito Creek. 370 Comment
  RSA702972  Lotus strigosus Scott D. White, Michael Honer 2004-6-30 10541 Los Angeles San Gabriel Mountains: Mt. Baldy (town). Along Glendora Ridge Rd. ca. 0.25 mile SW of jtn. w/ Mt. Baldy Rd. 1311 Comment
  RSA728784  Lotus strigosus Gary D. Wallace 1979-4-19 1684 Los Angeles Mojave Desert, W of Palmdale, N of Elizabeth Lake near north end of Munz Ranch Road. Comment
  UCR219470  Lotus strigosus R. G. Swinney 2009-3-31 10225 Los Angeles Transverse Range; San Gabriel Mtns., mouth of San Gabriel Canyon, 1.2 mi. north of Foothill Blvd, Azusa/Duarte 183 Comment
  SEINET4035448  Lotus strigosus R. Moran 1941-1 610 Los Angeles Grassy slpe above sea, north of Wilson's Harbor, Santa Catalina Island. Comment
  CATA1687  Lotus unifoliolatus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-7-18 2982 Los Angeles Santa Catalina Island: Lower Middle Ranch Canyon 219 Comment
  SBBG45450  Lupinus albifrons D. Emery 1955-4-28 Los Angeles first cyn going east, Mint Cyn Comment
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Dec 3 2014
  RSA0061211  Lupinus albifrons var. austromontanus Daisie Huang, Bart O'Brien 2008-4-20 08042004 Los Angeles Old Ridge Rte. 376 Comment
  SEINET2062551 Image available Lupinus albifrons var. eminens Norman C. Cooper 1945-5-1 2176 Los Angeles Tapia Park area, Santa Monica Mts. 304 Comment
  RSA717033  Lupinus bicolor Gary Kovnat, LeRoy Gross 2003-2-16 29 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. 683 Comment
  RSA773304  Lupinus bicolor R. G. Swinney 2009-6-3 11052 Los Angeles Horse Flats, 1 air mile NNW of Newcombs Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  SD51703  Lupinus bicolor David Dunn 1941-3-29 938 Los Angeles 1.0 mile east of Pomona. Comment
  SFV4365  Lupinus bicolor D. B. Dunn 1941-3-29 959 Los Angeles Hays Street and Via Acosta near Garfield Blvd. and the oil wells. Comment
  RSA598938  Lupinus bicolor subsp. marginatus Steve Boyd, T. S. Ross 1997-3-21 9196 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  SEINET11071815 Image available Lupinus bicolor subsp. microphyllus David Dunn 1941-3-19 938 Los Angeles one mile east of Pomona Comment
  RSA188916  Lupinus concinnus Robert F. Thorne 1966-4-28 36202 Los Angeles Santa Catalina Island, road to Renton Mine, Pebbly Beach Canyon 244 Comment
  SBBG108963  Lupinus concinnus S. A. Junak 1997-4-8 SCl 793 Los Angeles between two northern forks of Wall Rock Cyn 298 Comment
  SBBG96639  Lupinus concinnus S. Boyd with O. Mistretta, L. Arnseth, B. O'Brien, T. Hayduk 1990-4-6 4166 Los Angeles head of Larkspur Cyn, E side of island, S of Jack 213 Comment
  RSA585322  Lupinus concinnus subsp. concinnus Tim S. Ross 1991-4-27 4730 Los Angeles Black Butte: rocky northeasterly slope E of the summit. 945 Comment
  RSA599795  Lupinus concinnus subsp. optatus Steve Boyd, Lauren Raz 1997-3-25 9287 B Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain, flats and slopes just northeast of ranch compound. 976 Comment
  RSA406962  Lupinus concinnus var. concinnus F. R. Fosberg 1931-3-26 S- 4385 Los Angeles W Hamilton Canyon, Santa Catalina Island. 80 Comment
  RSA635045  Lupinus excubitus var. hallii Valerie L. Soza, Kent Hughes 1999-6-17 558 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail, above San Olene Canyon. 746 Comment
  SEINET10485288  Lupinus excubitus var. hallii David B. Dunn 1957-5-18 Dunn RSA 6226 x succ.? Los Angeles Plants 3 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Pressed by howard brown. Hybridization by david b. Dunn. The numbers Are the field plant numbers of rsa. 1St # is female parent x 2nd # male Parent. () Parenthetic # is f1 plant number. Seeds from open field pollen Vector. Comment
  CAS-BOT-BC216541  Lupinus excubitus var. johnstonii Joseph Ewan 1932-5-29 7184 Los Angeles Summit of Mount Gleason, Occurs over to Upper tujunga divide along high ridge, San Gabriel Mountains 1828 Comment
  RSA152096  Lupinus excubitus var. johnstonii Wesley O. Griesel 1961-5-16 s.n. Los Angeles Hwy 2 near Cloudburst Summit 2043 Comment
  SDSU4978  Lupinus guadalupensis R. M. Beauchamp 1967-3-18 262 Los Angeles East of Bluff. San Clemente Island. Comment
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May 16 2008
  RSA0003471  Lupinus guadalupensis Reid V. Moran 1941-2-18 587 Los Angeles San Clemente Island: Middle Ranch Creek 30 Comment
  SBBG131803  Lupinus guadalupensis S. A. Junak, B. Collins 1991-4-24 SCI 192 Los Angeles W side of W Shore Rd, at end of rd 36 Comment
  RSA0087086  Lupinus hirsutissimus R. G. Swinney 2010-3-18 11975 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road. 540 Comment
  RSA674250  Lupinus hirsutissimus LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 701 Los Angeles South side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. 695 Comment
  RSA413685  Lupinus hirsutissimus Ella M. Kennedy 1923-5-2 s.n. Los Angeles San Gabriel Canyon Comment
  RSA13767  Lupinus latifolius subsp. parishii Louis C. Wheeler 1932-4-29 662 Los Angeles Thompson Wash 2 mi. NE La Verne. 373 Comment
  CAS-BOT-BC211713  Lupinus longifolius Alice Eastwood 1906-5-27 139 Los Angeles Laurel Canyon Comment
  CAS-BOT-BC211714  Lupinus longifolius Alice Eastwood 1919-7-4 9306 Los Angeles Santa Monica Canyon Comment
  UC218140  Lupinus longifolius P. A. Munz and R. D. Harwood 1920-5-17 3996 Los Angeles Topango Canyon; Santa Monica Mts., Topango Canyon 152 Comment
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May 29 2014
  SEINET10485604  Lupinus longifolius David B. Dunn 1957-4-2 Dunn s.n. Los Angeles Plants 3 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. Seeds from open field pollen vector. Comment
  SEINET10485605  Lupinus longifolius David B. Dunn 1957-4-7 Dunn s.n. Los Angeles Plants 3 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. Seeds from open field pollen vector. Comment
  SEINET10485626  Lupinus longifolius Wolf 1941-7-2 WOLF 19034 Los Angeles Field collected from along hwy about 1 mi e of la crescenta. 488 Comment
  SEINET10485634  Lupinus longifolius David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 yrs. Old. Grown in a field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. Seeds from open field pollen vector. Comment
  SEINET10485635  Lupinus longifolius Wolf 1931-5-14 WOLF 2053 Los Angeles Shrub. Ht 4 ft, spread 4 ft, trunk diameter 2 in; sun, loam, edges of wash Along beverly blvd. W of the los angeles botanic garden. Upper sonoran life Zone. 122 Comment
  RSA0034183  Lupinus microcarpus Pam De Vries 2013-4-17 7851 Los Angeles About 0.50 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Rd. 1036 Comment
  RSA350742  Lupinus moranii Reid V. Moran 1941-2-18 587 Los Angeles San Clemente Island: Middle Ranch Creek 30 Comment
  SEINET3131599  Lupinus odoratus Unknown 3624 Los Angeles Lancaster Comment
  RSA774261  Lupinus sparsiflorus R. G. Swinney 2009-5-5 10648 Los Angeles Carr Canyon, 0.6 mi. southeast of Mt. Emma Rd. crossing. 963 Comment
  UC81982  Lupinus sparsiflorus Katharine Brandegee May 1889 Los Angeles Saugus Comment
  RSA29233  Lupinus sparsiflorus subsp. sparsiflorus Joseph A. Ewan 1933-04 10909 Los Angeles Higgins Canyon. Santa Monica Mts. 457 Comment
  RSA414303  Lupinus succulentus F. R. Fosberg 1931-3-27 4414 Los Angeles Pebble Beach Road, Santa Catalina Island. 5 Comment
  SEINET10837879  Lupinus succulentus Robert F. Thorne 1970-3-6 Thorne 39411 Los Angeles Santa catalina island. Indian rock in emerald bay. Coastal sage scrub with Lavatera assurgentiflora, eriophyllum nevinii, dudleya hassei, suaeda Californica, gasoul spp., Lycium californicum, coreopsis gigantea, atriplex Semibaccata, etc; annual with purplish-blue corollas. 15 Comment
  CHSC25044  Lupinus truncatus L. M. Mayer 1974-4-5 126 Los Angeles Big Tujunga Canyon Rd. ca. 3/4 mi e of intersection with Mt. Gleason Blvd. (near Tujunga). Comment
  RSA3536  Lupinus truncatus Carl B. Wolf 1932-5-9 3480 Los Angeles Left (east) fork of Pebbly Beach Canyon about 1/3 mile above the Mexican houses, Santa Catalina Island. 152 Comment
  RSA653470  Lupinus truncatus Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 749 Los Angeles Verdugo Mountains, south side: Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mtwy. 426 Comment
  UC575011  Lupinus truncatus E. Lloyd 1933-3-25 Los Angeles Mandeville Canyon; Sta. Monica Mts., Mandeville Canyon Comment
  UCR204416  Luzula comosa R. G. Swinney 2001-9-15 8176 Los Angeles San Gabriel Mountains, Little Jimmy Spring 2256 Comment
  RSA749656  Luzula comosa var. laxa R. G. Swinney 2001-9-15 8176 Los Angeles Little Jimmy Spring 2256 Comment
  CHSC100705  Lycium andersonii R. E. Riefner Jr. 2007-3-10 07 -114 Los Angeles Palo Verdes Peninsula, vicinity of Via Coronel Rd. and Via Olivera Rd. Redondo Beach quad also listed on label. UTM 11S 0369230E 3738530N. NAD 83. Banks of ephemeral stream. 99 Comment
  CAS-BOT-BC231485  Lycium brevipes var. hassei Dr. H. E. Hasse 1895-12-1 s.n. Los Angeles Santa Catalina Isl. Comment
  UCR55757  Lycium cooperi J. A. Adams 1966-4-20 702 Los Angeles Mojave Desert, 7 mi below Valyermo 915 Comment
  RSA595588  Lycopersicon esculentum Lauren Raz, Steve D. Boyd 1996-10-23 54 Los Angeles Liebre Mountains. Ruby Canyon, just west of junction of Forest Service Road 6N24 with Lake Hughes Road, at confluence with Elizabeth Lake Canyon. 610 Comment
  SD45613  Lyonothamnus floribundus Darley F. Howe 1953-5-2 Los Angeles Wain [Swain ?] Canyon, Catalina Island Comment
  RSA155792  Lyonothamnus floribundus subsp. floribundus Peter H. Raven 1962-5-20 17786 Los Angeles Santa Catalina Island. Grove above White's Landing on Airport Road. 427 Comment
  RSA479369  Lyonothamnus floribundus subsp. floribundus Mark Hoefs 1974-9-25 567 Los Angeles Santa Catalina Island. West fork of Gallagher's Canyon. 290 Comment
  CATA1575  Lysimachia arvensis Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2844 Los Angeles Santa Catalina Island: By upper end of road to Toyon Beach 411 Comment
  CATA668  Lysimachia arvensis Mark L. Hoefs 1991-4-23 1157 Los Angeles Santa Catalina Island: Around upper White's Landing Road 451 Comment
  VVC3233  Lythrum californicum Tim Thomas 1979-7-26 260 Los Angeles Transverse Range, Santa Monica Mountains, Cold Creek Canyon Preserve, Murphy Ranch spring 559 Comment
  UCR218027  Lythrum hyssopifolia A. C. Sanders, Dan S. Cooper 2010-8-5 38574 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  RSA188027  Madia exigua R. F. Thorne 1966-4-29 36319 Los Angeles Santa Catalina Island: below road to White's Landing above turn-off to Echo Lake 411 Comment
  RSA733753  Madia gracilis R. G. Swinney 2000-6-19 7810 Los Angeles Pine Mountain, north of Azusa. 1384 Comment
  UCR223373  Madia gracilis R. G. Swinney 2009-7-23 11393 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
  UC57422  Madia sativa J. H. Barber 1898-7-24 Los Angeles Sepulveda Canyon Comment
  UCR53757  Malacothamnus clementinus F. C. Boutin 1967-4-23 1655 Los Angeles Channel Islands, E side of San Clemente Island, Lemon Tank, a dump site 305 Comment
  RSA433281  Malacothamnus davidsonii F. R. Fosberg 1931-1-7 55287 Los Angeles Pacoima Canyon. Comment
  RSA563514  Malacothamnus davidsonii Tim S. Ross, Steve D. Boyd 1993-6-30 7387 Los Angeles Western SAN GABRIEL MTS.: near middle portion of Loop Canyon. 684 Comment
  RSA673609  Malacothamnus davidsonii LeRoy Gross, Steve Fischer, Gary D. Wallace 2002-12-7 677 Los Angeles Limekiln Canyon. 518 Comment
  CAS-BOT-BC206226  Malacothamnus fasciculatus Horticultural Comm. 1928-5-1 s.n. Los Angeles Saugus Comment
  UCR270537  Malacothamnus fasciculatus R. G. Swinney 2010-5-7 12580 Los Angeles San Gabriel Mountains, Lake View Terrace, ridge to the immediate west of Oliver Canyon, 0.8 air mile N of I-210 Fwy. 494 Comment
  RSA0070066  Malacothamnus fasciculatus subsp. catalinensis Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Miller Zou, Sarah Ratay 2011-7-1 11 Los Angeles Deer Valley Trail. 22 Comment
  UCR151393  Malacothamnus fremontii Scott D. White, Kent Hughes 2000-5-16 7836 Los Angeles Transverse Ranges; San Gabriel Mtns region, Northern foothills near Acton; bajada slopes and unnamed ephemeral tributaries to Arrastre Canyon 1098 Comment
  POM6108  Malacothrix californica Bertha Almy s.n. Los Angeles Claremont. 366 Comment
  RSA0082688  Malacothrix californica Ernest C. Twisselmann 1962-4-18 6955 Los Angeles Oso Canyon, about 0.5 mile above Oso Corral. 1036 Comment
  RSA0053899  Malacothrix clevelandii R. G. Swinney 2010-5-11 12633 Los Angeles San Gabriel Mountains: Acton 0.7 road miles SE of jct. of Soledad Canyon Rd. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 Comment
  JEPS36641  Malacothrix glabrata F. W. Peirson 1921-6-20 2149 a Los Angeles North Fork San Gabriel River San Gabriel Mts. 762 Comment
  RSA588681  Malacothrix glabrata Orlando Mistretta 1995-7-12 1904 Los Angeles San Gabriel Mountains. Little Rock Creek, Vincinity of Basin Campground. 1082 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
  SFV1130  Malephora crocea K. A. Wilson 1961-3-12 1001 Los Angeles Zuma Beach. On sand above tide line. 3 Comment
  UCD96959  Malephora crocea Earl Brown; Arthur Alcantara 1993-4-8 s.n. Los Angeles Palos Verdes Peninsula, Via Margarita St. off Palos Verdes Drive West. Located on ocean bluff. 30 Comment
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Jul 8 2014
  CAS-BOT-BC167867  Malosma laurina L. R. Abrams; I. L. Wiggins 1931-7-4 338 Los Angeles White's Landing, Santa Catalina Island Comment
  CHSC109988  Malosma laurina L. P. Janeway 2011-10-16 10776 Los Angeles Peninsular Ranges. North slope of Puente Hills; Shabarum Re-gional County Park, along Shabarum Trail; 1.7 air km south-southwest of the junction of S. Azusa Ave and Colima Road. 342 Comment
  OBI34052  Malosma laurina Mark Schneider 1973-6-1 s.n. Los Angeles Seven Hills Ranch, Tujunga. San Bernardino Mountains. 549 Comment
  RSA656674  Malosma laurina G. Pitto 1980-6-4 43 Los Angeles South end of Hinderberg [Hindenburg] Park (Crescenta Valley Park), bottom of Dunsmore Ave. La Crescenta. 518 Comment
  UCD116867  Malosma laurina M. Vincent 1962-7-10 279 Los Angeles Piuma Road, 1 1/2 miles east of Malibu Canyon Road. Comment
  RSA787633  Malus pumila Jane Tirrell 2012-5-8 LS 0043 Los Angeles Highway cut, north side of California State Route 2 near mile marker 66.43 2231 Comment
  SEINET10923927 Image available Malus pumila Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3774 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  POM12289  Malva parviflora F. L. Robinson 1921-4-15 21 Los Angeles Orchard N of Claremont. Comment
  POM155582  Malva parviflora M. B. Dunkle 1928-4-11 1856 Los Angeles Bird Rock 6 Comment
  RSA570036  Malva parviflora Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4892 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity. 492 Comment
  SBBG17784  Malva parviflora P. H. Raven 1962-4-9 17129 Los Angeles near barracks, Wilson Cove 60 Comment
  SFV18431  Malva parviflora C. Ferguson 1974-4-26 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Next to Nature Center. 460 Comment
  RSA434889  Malva parviflora John E. Marble 1894-3-22 s.n. Los Angeles Cahuenga Comment
  UCSB59414  Malva pseudolavatera Ross, Tim; Mistretta, Orlando; Hammitt, Mike 1991-5-17 Los Angeles 900 feet SSE of the 924' BM at the E end of the old airfield landing strip; San Clemente Island Comment
  LA200409  Marah macrocarpa C. L. Hogue; 1954-3-13 sn Los Angeles Santa Monica Mountains, near Seminole Hot Springs 335 Comment
  RSA592469  Marah macrocarpa Mark Hoefs 1973-3-13 59 Los Angeles Upper Avalon Canyon, by water tank above Wrigley Memorial, north exp. 274 Comment
  RSA603531  Marah macrocarpa Sara L. Crockett 1997-4-1 637 Los Angeles Santa Catalina Island: offshoot from Middle Canyon; 0.2 mile SW on Middle Canyon Road from pumphouse; SE side of road. 316 Comment
  RSA674313  Marah macrocarpa var. macrocarpa LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 716 Los Angeles South side; Off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. 576 Comment
  CDA29486  Marrubium vulgare Michael O Brien 2009-7-12 PDR# 1535008 Los Angeles Nearest the town of Calabasas in Tapia Park, a unit of Malibu Creek State Park, near the entrance to the Salvation Army Camp. Comment
  RSA594290  Marrubium vulgare Louis C. Wheeler 1967-7-30 10250 Los Angeles San Gabriel MountaiSan Gabriel Mountains. 1.6 mi. N of junction of 3N33 and 3N06 about 350-450 tds. due west of Shade Campground at base of east-facing slope. N fork Lytle Creek, on 3N33.ns. Big Tujunga Canyon at Trail Canyon. 518 Comment
  LA33774  Marrubium vulgare Henry J. Thompson; 1958-10-22 1812 a Los Angeles SANTA MONICA MOUNTAINS, Mt. Hollywood, Griffith Park, just N of Mt. Hollywood. 380 Comment
  RSA0036913  Marrubium vulgare Phil Elliott 1981-2-20 13 Los Angeles Diamond Bar, 1/2 mile west of Diamond Bar Blvd., 1/4 mile south of Grand Ave. Comment
  RSA765462  Marrubium vulgare Doris Bowers 1957-5-2 813 Los Angeles LaVerne 305 Comment
  CATA3011  Matricaria discoidea Amy Catalano 2016-2-22 017 Los Angeles Santa Catalina Island: Mushroom Flats, about 1/8 mile down canyon from Quail Valley, on gravel/dirt road 165 Comment
  RSA719059  Matricaria matricarioides R. G. Swinney 1998-4-13 5949 Los Angeles Marshall and Live Oak Canyon drainages, La Verne 549 Comment
  CAS-BOT-BC422759  Meconella denticulata P. A. Munz; R. D. Harwood 1920-4-21 3694 Los Angeles San Dimas Canyon 457 Comment
  RSA683178  Medicago lupulina LeRoy Gross 2003-5-19 1026 Los Angeles Bluff south side of Big Tujunga Wash, weed in yard in housing tract called Sunhill Estates. City of Sunland. 366 Comment
  RSA533433  Medicago polymorpha Tim S. Ross 1991-4-21 4516 Los Angeles Whittier Hills (Puente Hills, proparte) Middle Turnbull Canyon drainage just SW of Old water tank. 220 Comment
  UC865583  Medicago polymorpha I. Johnston 1917-5-20 1245 Los Angeles above Claremont; Johnson's Pasture Comment
  RSA15348  Medicago polymorpha var. brevispina C. B. Wolf 1926-3-22 s.n. Los Angeles Occidental College Campus, Eagle Rock Comment
  RSA608719  Medicago sativa L. C. Wheeler 1931-4-7 s.n. Los Angeles La Verne. Comment
  LA33948  Medicago sativa Peter H. Raven; Henry J. Thompson 1959-9-19 13719 Los Angeles Santa Monica Mountains, Zuma Beach, 0.2 mi E of turnoff to Zuma Beach on US 101 [now Pacific Coast Hwy, US 1] 45 Comment
  RSA547820  Melica imperfecta Timothy S. Ross 1990-6-20 3626 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near the confluence of E and W forks of the San Gabriel River. Stream bottom to slopes. 445 Comment
  RSA724991  Melica imperfecta K. Dobry 1991-5-13 d- 544 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  UCD87783  Melica imperfecta A. A. Beetle 1946-2-7 4207 Los Angeles Near westwood, Santa Lucia Mts. Comment
  UCR126647  Melica imperfecta A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26130 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
  SEINET10599451  Melica imperfecta Betty Venrick 1961-5-11 Venrick 572 Los Angeles Rancho Santa Ana Botanical Gardens. San Gabriel Mt. Range. Chaparral. 335 Comment
  UCSB18822  Melilotus albus Keith, Sheldon 1963-4-8 Los Angeles Indian Peak Road and Crenshaw Blvd., Palos Verdes Estates 76 Comment
  LA33780  Melilotus indicus Peter H. Raven; 1959-4-4 13978 Los Angeles 21 Comment
  SEINET7760541  Melilotus indicus G. B. Grant 1903-1 768 Los Angeles Pasadena Comment
  SBBG39465  Mentha R. F. Thorne 1966-6-2 36521 Los Angeles cyn leading to White's Landing 60 Comment
  RSA594467  Mentha villosa Steve Boyd, Lauren Raz 1996-9-24 8941 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
  LA210642  Mentzelia affinis Carl Epling; May 1927 s.n. Los Angeles Tehachapi Mountains. Comment
  SBBG118679  Mentzelia albicaulis L. C. Wheeler 1967-5-31 9799 Los Angeles just over the rise immediately W of Caldwell Lake Comment
  RSA0025154  Mentzelia dispersa Jane Tirrell 2012-6-11 LS 0066 Los Angeles North-facing semi-open slope along Pacific Crest Trail approximately 0.3 miles east of Windy Gap. 2450 Comment
  RSA701276  Mentzelia micrantha LeRoy Gross 2003-5-4 822 Los Angeles South side of mountains: Along east side of Brand canyon a short distance above the large waterfall. 393 Comment
  RSA585764  Mentzelia montana Orlando Mistretta 1995-7-11 1892 Los Angeles San Gabriel Mountains. Santiago Canyon. North slope of Pacifico Mountain, near summit. 2073 Comment
  UCR281307  Mentzelia obscura R. G. Swinney 2014-4-18 16124 Los Angeles San Gabriel Mountains, NE of Littlerock Dam, north end of Alimony Ridge, south side of Mt. Emma Rd., to 75 m south of road 976 Comment
  RSA11071  Mentzelia veatchiana Carl B. Wolf 1928-3-29 1559 Los Angeles Junction of Pine Canyon road and road to Sandbergs. 3 mi. S.W. of Neenach. 1067 Comment
  SBBG129046  Mentzelia veatchiana A. C. Sanders 2014-4-12 41010 Los Angeles NW of Pinon Hills, 233rd St E, 0.2 km S of Hwy 138 1095 Comment
  SD247668  Mentzelia veatchiana Ed Kentner 2014-3-21 362 Los Angeles Western Mojave Desert, approx. 13 km east of Pearblossom, near the corner of Largo Vista Road and Avenue X-8. 1876 Comment
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Jun 9 2016
  SBBG13705  Mesembryanthemum crystallinum P. H. Raven 1962-7-11 18008 Los Angeles 1 mi S of Wilson Cove Comment
  UC1211030  Mesembryanthemum crystallinum Huron H. Smith 1912-5-9 4950 Los Angeles Redondo Comment
  RSA583002  Micropus californicus Timothy S. Ross, Janet Takara, S. Otte 1993-4-24 6962 Los Angeles Santa Catalina Island. W end of island beyond the isthmus, lower Bouchette Canyon (draining northeastward to Johnsons Landing). 91 Comment
  UCD134516  Micropus californicus var. californicus Louis C. Wheeler 1967-5-8 9304 Los Angeles Liebre Mountains. Northeast of Saugus. 396 Comment
  CAS-BOT-BC348918  Microseris douglasii subsp. douglasii Ernest C. Twisselmann 1962-4-18 6958 Los Angeles Tehachapi Mountains. Tejon Ranch: north side of Oso Canyon on the road to Mexican Mine 1005 Comment
  RSA527652  Microseris lindleyi Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-8 4373 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  UCR183841  Microseris sylvatica A. C. Sanders 2007-4-19 33418 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  CATA1023  Mimulus aurantiacus Mark L. Hoefs 1995-5-4 1940 Los Angeles Santa Catalina Island: Near road between Cherry Valley and Howlands Landing 91 Comment
  POM29  Mimulus aurantiacus C. F. Baker 1909-5-15 5320 Los Angeles San Antonio Canyon, Claremont. Comment
  POM305930  Mimulus aurantiacus Henry J. Ramsey, Henry J. Ramsey 1938-5-1 1218 Los Angeles Altadena, Eaton Canyon Park Comment
  RSA0056541  Mimulus aurantiacus var. parviflorus Orlando Mistretta 1989-5-15 s.n. Los Angeles Channel Islands; San Clemente Island: Bryce Canyon. Comment
  RSA442653  Mimulus aurantiacus var. pubescens H. L. Bauer 1932-5-1 15354 Los Angeles Chaparral near mouth of Topanga Canon. 30 Comment
  SDSU21059  Mimulus aurantiacus var. pubescens Ian Cain, Ryan Gilmore 2010-6-3 1495 Los Angeles Angeles National Forest, San Gabrial Mountains. Along Angeles Forest Highway, 390 meters south of intersection with Aliso Canyon Road 1291 Comment
  RSA0060192  Mimulus aurantiacus var. pubescens Robert M. Perkins 1935-5-4 72 Los Angeles Hendrick's Canyon. Comment
  LA51868  Mimulus brevipes Carl Epling; M. Epling 1925-5-2 sn Los Angeles Santa Monica Mountains, Griffith Park 335 Comment
  RSA669332  Mimulus cardinalis LeRoy Gross, Naomi Fraga, Steve Williams 2002-7-17 556 Los Angeles Transverse Ranges; Verdugo Mountains region: North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road 425 Comment
  UCD94028  Mimulus cardinalis Joel Smith; Dena Grossenbacher 2008-8-3 JS 01 Los Angeles Cobal Canyon, Clairmont Wilderness Park about 0.5 miles north of trailhead along trail. 542 Comment
  RSA188547  Mimulus cardinalis Robert F. Thorne, John Olmsted 1965-8-26 35416 Los Angeles San Gabriel Mountains, Angeles National Forest: swampy area along Prairie Fork of San Gabriel River. 1585 Comment
  RSA0055954  Mimulus guttatus Richard G. Swinney 2010-5-7 12609 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
  RSA50065  Mimulus guttatus G. R. Campbell 1948-5-13 585 Los Angeles Just below fire station, San Dimas Canyon, San Gabriel Mountains 610 Comment
  SFV21416  Mimulus guttatus L. Gross, M. Denslow, B. Hogshead, S. Swartzentruber 2003-6-17 1038 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Brand Canyon below the large waterfall where the canyon forks off, near above coordinates. At check dam (man-made waterfall). 393 Comment
  RSA230755  Mimulus guttatus Robert F. Thorne, M. Z. Thorne 1969-7-10 38443 Los Angeles San Gabriel Mountains, Angeles National Forest: N of Jackson Lake 1860 Comment
  SEINET12269982  Mimulus longiflorus C. L. Abbott 1926-1 3 Los Angeles Los Angeles Comment
  UCR209646  Mimulus moschatus R. G. Swinney 2008-7-2 9124 Los Angeles San Gabriel Mtns., Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy 2000 Comment
  UCR273808  Mimulus moschatus R. G. Swinney 2011-6-15 15195 Los Angeles San Gabriel Mountains, Chilao Creek, 100 m south and north of Chilao Campground 1573 Comment
  RSA775865  Mimulus palmeri Orlando Mistretta, Christine Mistretta 2010-5-26 5200 Los Angeles Upper Mill Creek canyon drainage, S of Mill Creek Summit, along Southern California Edison transmission line corridor. 1463 Comment
  UC103804  Mimulus parishii Orcutt Sept. 1884 Los Angeles San Rafael Comment
  RSA746572  Mimulus rubellus R. G. Swinney 2008-5-13 8864 Los Angeles Devils Punchbowl Co. Park, Holcomb Canyon at junction with South Fork Trail 1390 Comment
  RSA506189  Mimulus rubellus Louis C. Wheeler 1948-6-13 6648 Los Angeles San Gabriel Mountains, Angeles National Forest: Wickiup Creek 1364 Comment
  SBBG130882  Minuartia douglasii S. A. Junak 1999-5-7 SCa 896 Los Angeles between Cape and Middle Ranch Cyns, overlooking Cape Cyn Reservoir, just W of conspicuous butte on ridge 475 Comment
  UCR189254  Minuartia douglasii R. G. Swinney 1998-5-16 6090 Los Angeles San Gabriel Mountains/Mojave Desert, near Pinon Hills, Mescal Highlands, 0.9 mile west of 237th St. East at Panorama Way, 2.3 mi. S of Ft. Tejon Rd. 1402 Comment
  RSA748799  Minuartia nuttallii subsp. gracilis R. G. Swinney 2001-8-9 8012 Los Angeles east peak on Pleasant View Ridge 2504 Comment
  RSA714524  Mirabilis laevis A. C. Sanders, Lee Jones 2005-4-8 29334 Los Angeles South Coast: Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente. 2 Comment
  CATA255  Mirabilis laevis var. crassifolia Mark L. Hoefs, A. Douglas Propst 1973-5-4 259 Los Angeles Santa Catalina Island: By West End Road, near Lyon's Head Point 70 Comment
  SD86317  Mirabilis laevis var. crassifolia R. Beauchamp, M. Douglas 1972-3-24 3217 Los Angeles San Clemente Island, west side of canyon. 99 Comment
  SEINET3142102  Mirabilis laevis var. crassifolia R. S. Ferris 1918-7-12 938 Los Angeles 5 miles south of Lancaster Comment
  CAS-BOT-BC434636  Mirabilis laevis var. crassifolia Geo. B. Grant 1901-9-1 s.n. Los Angeles Redondo - bluff near sea. 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
  CLARK-A1528-1380  Mollugo verticillata John C. Roos 1939-6-21 920 Los Angeles Pasadena Comment
  UCR275321  Mollugo verticillata Jeremiah George 2011-6-5 s.n. Los Angeles South Coast, Torrance, behind (east of) Bishop Montgomery High School, south of Torrance Blvd. and west of Palos Verdes Blvd. 21 Comment
  SBBG65461  Monolepis nuttalliana R. Hoffmann 1932-4-9 Los Angeles Turner Dry Lake [El Mirage Lake] Comment
  UC2030066  Monolopia lanceolata Steve Boyd, Lee Lenz 2001-5-2 10419 Los Angeles Transverse Ranges; Liebre Mountains region: along Hwy 138, base of hills at edge of westernmost end of the Antelope Valley, just east of the junction with the old Ridge Route. Comment
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Apr 24 2018
  UCR189277  Monoptilon bellidiforme R. G. Swinney 1998-5-16 6099 Los Angeles San Gabriel Mountains/Mojave Desert, near Pinon Hills, Mescal Highlands, Graham Canyon, 1.7 mi. N of Panorama Way at Graham Cyn. Motorway, 0.6 mi. S of Ft. Tejon Rd. 1220 Comment
  CAS-BOT-BC108995  Mucronea californica Louis C. Wheeler 1946-8-30 6326 Los Angeles West of Baldwin Park. Albarnes Station, east side San Gabriel Wash, just north of Valley Boulevard. Comment
  SBBG62242  Mucronea perfoliata R. Hoffmann 1925-5-15 Los Angeles Mint Cyn Comment
  RSA710183  Mucronea perfoliata LeRoy Gross 2005-5-3 2216 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  RSA0084492  Muhlenbergia microsperma R. G. Swinney 2010-4-13 12213 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Cyn. 561 Comment
  RSA674278  Muhlenbergia microsperma LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 713 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
  SBBG34008  Muhlenbergia microsperma S. A. Junak 1998-3-21 SCa 496 Los Angeles W side of Cape Cyn, SSW of Black Jack Pk, exposed ridgetop 374 Comment
  UCD86839  Muhlenbergia microsperma P. B. Kennedy 1928-3-29 s.n. Los Angeles Santa Catalina Island Eagle's Nest. Comment
  RSA729338  Muhlenbergia richardsonis R. G. Swinney 1999-6-30 7482 Los Angeles Grand View Canyon, c. 1.3mi. north of Big Pines Hwy at All Nations Camp. 1561 Comment
  RSA377602  Muilla maritima Fay A. MacFadden 1931-4-10 2581 Los Angeles Dry hillsides, Tejunga Canyon 426 Comment
  RSA587345  Muilla maritima Orlando Mistretta 1992-5-4 224 Los Angeles Little Rock Creek, Alimony Ridge 1463 Comment
  CAS-BOT-BC515096  Muilla maritima Le Roy Abrams 1901-4-6 1384 Los Angeles Big Tujunga Wash Comment
  RSA96721  Muilla maritima E. K. Balls 1954-4-27 19088 Los Angeles Native to Botanic Garden, Claremont. 396 Comment
  SBBG94501  Myoporum laetum J. Newman -Jun-1980 118 Los Angeles behind barracks Comment
  UCR214455  Myosurus minimus subsp. apus A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale, et al 2010-3-29 37633 Los Angeles Tehachapi Mtns. Foothills/ W Mojave Desert, ephemeral stream c. 0.7 mile ESE (103 deg. ) of Quail Lake, northeast of the intersection of the National Cement Plant Rd. and Hwy 138 1015 Comment
  RSA461903  Myrica californica Unspecified 1891-03 s.n. Los Angeles Rustic Canyon, near Santa Monica. Comment
  RSA603584  Najas marina L. C. Wheeler 1947-9-14 6628 Los Angeles North of El Monte: Peck Road, near Arrow Highway. Comment
  UC24133  Nama demissa var. demissa J. Burtt Davy May 9 1896-May 24 1896 2584 Los Angeles Lansing's West Palmdale (West Palmdale, Antelope Valley); Antelope Valley, , Lansing's Comment
  SBBG128213  Nassella cernua M. L. Hoefs, S. A. Junak, J. T. Columbus 2001-5-25 3186 Los Angeles ridge above KBRT radio station, W of airport rd jct 432 Comment
  UC440427  Nassella cernua Carl Epling and Lincoln Ellison 1929-5-18 Los Angeles Topango Canyon Santa Monica Mountains Comment
  RSA0042313  Nassella cernua Mark L. Hoefs, Steven A. Junak, J. Travis Columbus 2001-5-25 3186 Los Angeles Santa Catalina Island: On ridge above KBRT radio station, west of airport road junction. 432 Comment
  RSA0038712  Nassella lepida R. G. Swinney 2010-3-22 12005 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
  CAS-BOT-BC260140  Nassella pulchra L. R. Abrams; I. L. Wiggins 1931-7-6 381 Los Angeles San Clemente Island. Vicinity of Mosquito Harbor Comment
  LA200950  Nassella pulchra Peter H. Raven; David S. Verity 1960-5-7 15323 Los Angeles Santa Monica Mountains, Arroyo Sequit 243 Comment
  LA9462  Nassella pulchra Carl Epling; L. Ellison 1930-3-28 sn Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon Comment
  CAS-BOT-BC60405  Nasturtium officinale Alice Eastwood 1906-5-31 104 Los Angeles Bincini Baths. Comment
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Apr 2 2020
  UC303713  Navarretia hamata I. Johnston 1917-5-13 986 Los Angeles San Gabriel Wash 152 Comment
  POM7687  Nemacladus ramosissimus P. A. Munz, R. D. Harwood 1920-4-21 3695 Los Angeles San Dimas Canyon; South face of San Gabriel Mts 457 Comment
  RSA713255  Nemacladus sigmoideus LeRoy Gross 2005-5-3 2217 -a Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  UCSB31759  Nemophila maculata Risk, Paul 1963-5-15 Los Angeles Descanso Gardens; Native Plant section Comment
  SFV16101  Nemophila menziesii J. M. Kneitel 1995-4-9 22 Los Angeles San Gabriel Mountains Angeles Forest Highway, 3.5 miles north of junction with Angeles Crest Highway. 100 m off highway. 915 Comment
  UCR48865  Nemophila menziesii Steve Morgan 1974-5-17 147 Los Angeles San Gabriel Mtns., 8.9 mi east of Big Tujunga Canyon Road, on dirt road 300 yards north of Monte Cristo Ranger Station 976 Comment
  RSA0070948  Nemophila menziesii var. menziesii Steve Boyd, D. L. Banks, Orlando Mistretta 1994-4-29 8297 Los Angeles Northern slope of the San Gabriel Mountains, Angeles National Forest: side draw on southeastern side of Mt. Emma, Santiago Canyon drainage. 1159 Comment
  SEINET3072091  Nerium oleander Ken Hamilton 1984-4-22 17 Los Angeles La Crescenta City Comment
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Sep 16 2014
  RSA626983  Nicotiana attenuata Louis C. Wheeler 1973-7-15 s.n. Los Angeles Doe Flat; Graveyard Canyon. Comment
  RSA729842  Nicotiana attenuata R. G. Swinney 1999-6-18 7335 Los Angeles San Gabriel Mtns.: Boulder Canyon north of Big John Flat. 1573 Comment
  UC1870273  Nicotiana glauca LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1097 Los Angeles Transverse Ranges; Verdugo Mountains region; 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 ... 457 Comment
  SD237631  Nicotiana quadrivalvis A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37083 Los Angeles San Gabriel Valley: west edge of I-605 and c. 1 mile west of the center of the Santa Fe Flood Control Basin, N of Arrowy Hwy and south of Duarte (Baldwin park 7.5'Q) 139 Comment
  UCR167535  Nicotiana quadrivalvis Scott D. White, A. Warniment 2005-9-13 11224 Los Angeles Tehachapi Mtns, Slopes and plateaus west of Oso Canyon, c. 1-2 air mi N of Quail Lake 1159 Comment
  SEINET10696856  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3949 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  SBBG65253  Nitrophila occidentalis S. W. Hutchinson -May-1930 1153 Los Angeles near Lancaster 701 Comment
  RSA458915  Oenanthe sarmentosa Anonymous s.n. Los Angeles Cienega Comment
  UC1043492  Oenothera elata subsp. hirsutissima E. K. Balls 1954-8-19 19770 Los Angeles Blk 13-24 Claremont, Botanic Garden (near lower pool) Comment
  SBBG31321  Oenothera sinuosa R. F. Thorne 1966-6-1 36478 Los Angeles near riding stables, Avalon 30 Comment
  CATA3444  Oligomeris linifolia Benjamin J. Dion, Tobias Nickel 2017-5-11 026 Los Angeles Santa Catalina Island: Pacific Side; edge of cliff in Cactus Bay watershed 331 Comment
  SBBG112825  Oligomeris linifolia S. A. Junak with K. Kirkland 1998-7-17 SCa 786 Los Angeles just inland from mouth of Silver Cyn 6 Comment
  RSA0115094  Oligomeris linifolia Steven A. Junak 2000-6-30 SCa- 1363 Los Angeles Santa Catalina Island. Just E of Catalina Harbor. 40 Comment
  POM214684  Opuntia littoralis F. R. Fosberg 1932-7-15 8613 Los Angeles Laurel Canyon, Santa Monica Mountains. Comment
  RSA239481  Opuntia littoralis E. R. Blakley 1962-6-10 5248 Los Angeles San Clemente Island. At mouth of canyon half-way between Eel Point and Seal Cove. Comment
  RSA250439  Oreonana vestita R. F. Thorne, John Dourley 1967-10-3 37295 Los Angeles Mt. Baden Powell, just south of peak 2851 Comment
  RSA0070492  Orobanchaceae Jean Pitzer McBurney 1932-03 s.n. Los Angeles San Antonio Canyon, San Gabriel Mts. 1219 Comment
  CAS-BOT-BC499738  Orobanche californica subsp. feudgei Le Roy Abrams; E. A. McGregor 1908-7-5 654 Los Angeles Swartout Canyon, Desert slopes of the San Gabriel Mountains, 5 mi N of San Antonio Peak 1828 Comment
  RSA0078639  Orobanche californica subsp. feudgei J. B. Feudge 1924-6-10 569 Los Angeles Big Pines, San Gabriel Mts. 1981 Comment
  RSA641081  Orobanche valida subsp. valida Orlando Mistretta 1995-7-6 1869 Los Angeles San Gabriel Mountains: Big Rock Creek, on trail at sign indicating [way] to Devil's Punchbowl County Park. (Orobanche valida survey site E). 1509 Comment
  RSA3697  Orthocarpus purpurascens Carl B. Wolf 1932-5-10 3543 Los Angeles Equestrian trail back of Avalon. Santa Catalina [Island]. 244 Comment
  RSA402083  Orthocarpus purpurascens H. de Forest 15753 Los Angeles Palisades del Rey, at the beach Comment
  JEPS12636  Osmadenia tenella Samuel B. Parish 1887-6-1 1932 Los Angeles Pasadena Comment
  RSA600084  Osmorhiza brachypoda Steve Boyd, Lauren Raz 1997-5-20 9797 Los Angeles Liebre Mountains region: Northern flank of Sawmill Mountain, upper Heryford Canyon drainage, just northeast of Sawmill Summit at the junction of Forest Service roads 7N23 and 7N08. 1341 Comment
  SD253358  Osmorhiza brachypoda R. G. Swinney 2011-5-3 14577 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Pllacerita Canyon Rd., Ecology Trail east of the Nature Center. 487 Comment
  RSA458983  Osmorhiza brachypoda Erwin Miller 1934-3-27 s.n. Los Angeles Fish Canyon. Comment
  RSA458989  Osmorhiza brachypoda Donald R. Bissing 1973-6-2 167 Los Angeles Evey Canyon, San Gabriel Mountains. On NE face of canyon wall in open shady area 1.0 mile from canyon mouth 854 Comment
  UCR97789  Osteospermum ecklonis Scott D. White 1997-3-12 4738 Los Angeles Pacific Coast, Zuma Beach, mouth of Zuma Creek, E end of the County Beach. 8 Comment
  UCR271911  Oxalis pes-caprae R. G. Swinney 2010-4-30 12474 Los Angeles San Gabriel Mts., Near Sylmar, Wilson Canyon Park, northern-most of the two east forks of Wilson Cyn., from the mouth of cyn. at Wilson Debris Basin to 0.3 miles up (east) canyon 482 Comment
  JEPS37498  Packera ionophylla F. W. Peirson 1919-6-16 476 Los Angeles South Fork of Rock Creek San Gabriel Mountains 1676 Comment
  CAS-BOT-BC121170  Paeonia californica George B. Grant 1902-4-3 s.n. Los Angeles Pasadena Comment
  RSA434250  Paeonia californica Bonnie C. Templeton 1939-4-26 s.n. Los Angeles Huntington Palisades, Santa Monica Mountains. Comment
  POM158290  Parapholis incurva M. B. Dunkle 1928-4-29 1908 Los Angeles Santa Catalina Island. Near beach Little Harbor 3 Comment
  RSA151245  Parapholis incurva P. H. Raven 1962-4-10 17187 Los Angeles Above Wilson Cove; San Clemente Island 107 Comment
  UCR86543  Parapholis incurva T. S. Ross 1992-4-14 6183 Los Angeles San Clemente Island, Lemon Tank Road, c. 25 m ESE of its intersection with the main N-S island road. 341 Comment
  CAS-BOT-BC403915  Parietaria hespera Martin A. Piehl 1962-6-10 62391 Los Angeles California Islands. Canyon east of Thirst. San Clemente Island 304 Comment
  POM8132  Parnassia cirrata Fordyce Grinnell Jr. 1917-9-2 s.n. Los Angeles Above Coldbrook. Comment
  IRVC26343  Parthenocissus vitacea A. C. Sanders, Andy Thompson 2003-4-15 26020 Los Angeles Newhall Ranch, along the Santa Clara River, north of Magic Mountain theme park NE end of Santa Susana Mtns. 316 Comment
  UCR142739  Paspalum dilatatum L. C. Wheeler 1966-10-27 9095 Los Angeles San Gabriel Mtns, Angeles National Forest; Rincon Ranger Station [Camp Rincon] 473 Comment
  RSA0016998  Paspalum distichum Anstruther Davidson 1917-07 3160 Los Angeles Whittier. Comment
  RSA657921  Passiflora caerulea J. Liston 1980-5-28 47 Los Angeles On fence at Oakmont Country Club Golf Course, at stoplight on Canada Blvd. 2.5 miles from (north of) Glendale College Comment
  RSA682514  Pectocarya anisocarpa Scott D. White, Michael Honer 2003-5-7 9187 Los Angeles South Fork Santa Clara River, from confluence with main fork upstream to bridge at Magic Mountain Parkway. 335 Comment
  POM368751  Pectocarya linearis subsp. ferocula F. R. Fosberg 1932-5-7 10644 Los Angeles Summit of Coach Road, Santa Catalina Island. 250 Comment
  RSA0097168  Pectocarya linearis subsp. ferocula R. G. Swinney 2011-4-20 14457 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
  SBBG31380  Pectocarya linearis subsp. ferocula R. F. Thorne with P. C. Everett 1965-5-11 34670 Los Angeles rd to Hay Press 457 Comment
  SBBG37717  Pectocarya linearis subsp. ferocula R. Moran 1941-3-11 698 Los Angeles ridge N of Middle Ranch 300 Comment
  RSA717039  Pectocarya penicillata Gary Kovnat, LeRoy Gross 2003-2-16 33 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. Comment
  RSA0108830  Pectocarya setosa R. G. Swinney 2010-5-21 12895 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
  RSA747346  Pectocarya setosa R. G. Swinney 2008-5-8 8789 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
  UCSC000881  Pedicularis semibarbata Peter Kamb 1947-6-9 592 Los Angeles Angeles Crest highway above Little Rock Creek Angeles Crest, Little Rock Creek - San Gabriel Mts. 1951 Comment
  UC56490  Pediomelum H. M. Hall 1902-5-11 3268 Los Angeles Sierra Santa Monica Sierra Santa Monica (Southern California) Comment
  UCR153974  Pellaea andromedifolia A. C. Sanders, T. B. Salvato 2005-4-26 29752 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita, south of Plum Canyon at end of Canyon Crest Dr., NW of mouth of Mint Canyon 488 Comment
  LA3469  Pellaea andromedifolia Carl Epling; 1926-4-10 sn Los Angeles Simi Hills, Santa Susana Pass Comment
  RSA535540  Pellaea andromedifolia var. andromedifolia T. S. Ross, Annette Ross 1991-9-7 5960 Los Angeles Santa Monica Mountains: near Mulholland Highway x Yerba Buena Road. 359 Comment
  POM281941  Pellaea mucronata subsp. mucronata George L. Fisher 1929-6-8 102 Los Angeles Glendale. 305 Comment
  CHSC95752  Pellaea mucronata var. mucronata Joseph Marlowe Keefe 2001-1-19 30983 Los Angeles Vergudo Mountains. Big Tujunga Wash, 200 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles, CA 91040. 384 Comment
  RSA686914  Pellaea mucronata var. mucronata L. E. Hoffman 1929-4-13 s.n. Los Angeles Trail Canyon. Los angeles National Forest Comment
  UCSB45224  Pennisetum setaceum Batson, J. 1979-5-12 Los Angeles Highway 1 at its junction with Highway 23 near Malibu 22 Comment
  UCR142907  Penstemon cordifolius C. B. Wolf 1931-7-30 2297 Los Angeles Santa Susana Mtns, Base of Newhall Grade, 0.25 mi above crossing of the Los Angeles Aqueduct 457 Comment
  RSA0078385  Penstemon grinnellii R. G. Swinney 2010-10-8 14008 Los Angeles Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge. 2421 Comment
  SFV20412  Penstemon laetus P. Wilson 2005-3-23 4217 Los Angeles San Gabriel Mountains Millard Canyon, Chaney Trail. 640 Comment
  POM305924  Penstemon spectabilis Henry J. Ramsey, Henry J. Ramsey 1938-5-1 1224 Los Angeles Altadena, North Craig Ave. Comment
  RSA401906  Penstemon spectabilis Glenn A. Gorelick 1966-4-5 s.n. Los Angeles Growing on moutain trail in sun, overlooking Ferndell, Griffith Park. Comment
  RSA651293  Penstemon spectabilis Dan Milojevich 1981-5-19 48 Los Angeles 1 1/2 miles from Indian Hill Blvd. on Bonnie Brae St. Comment
  POM199722  Penstemon spectabilis subsp. subviscosus I. W. Clokey, Bonnie C. Templeton 1929-03 4475 Los Angeles Open roacky ridge. 300 Comment
  UCR197180  Penstemon spectabilis subsp. subviscosus Valerie Soza, LeRoy Gross 2001-5-9 1200 Los Angeles Transverse Ranges: Verdugo Mountains, Southern San Rafael Hills, south of mouth of Scholl Canyon, west end of Valle Vista fire road, ridgetop north of Hwy 134 274 Comment
  RSA0049488  Pentagramma triangularis Richard G. Swinney 2010-5-7 12611 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
  UCD137787  Pentagramma triangularis Kenneth A. Wilson 1961-3-10 967 Los Angeles Santa Monica Mtns. Old Topanga Canyon Rd., ca. 1/4 mile west of Topanga Rd. Comment
  UCR270528  Pentagramma triangularis R. G. Swinney 2011-3-22 14189 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  RSA0060338  Pentagramma triangularis M. B. Dunkle 1928-4-21 1880 Los Angeles Santa Catalina Island. Renton Mine Hill. 335 Comment
  RSA0070769  Pentagramma triangularis R. F. Thorne, Percy C. Everett 1965-5-10 34494 Los Angeles Upper end of Gallagher Canyon, Santa Catalina Island. 412 Comment
  RSA687381  Pentagramma triangularis subsp. triangularis C. B. Liter, J. A. Powell 1928-04 s.n. Los Angeles Santa Catalina Island. Comment
  UCSB62230  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-4-16 Los Angeles Santa monica Mtns., Calabasas Rd., ca. 1 1/2 mi. w. of Calabasas, ravine so. of the road 304 Comment
  UC812206  Pentagramma viscosa Grant and Wheeler 1904-4-25 Los Angeles Santa Catalina Comment
  RSA587217  Perideridia pringlei Orlando Mistretta, Christine Mistretta 1995-5-2 1669 Los Angeles San Gabriel Mountains. Carr Canyon. 1082 Comment
  CATA117  Peritoma arborea Peter Henrikson 1987-5-8 88 Los Angeles Santa Catalina Island: Little Springs Canyon, southeast exposure 30 Comment
  SD69543  Perityle emoryi Robert F. Thorne, P. Everett 1965-5-11 34527 Los Angeles Santa Catalina Island, east side of Catalina Harbor, rocky bluff near Ballast Point 60 Comment
  RSA423798  Petunia parviflora Anstruther Davidson 1891-6-14 s.n. Los Angeles Nigger Slough'. [locality name change to'Laguna Dominguez'] Comment
  RSA75344  Phacelia bicolor F. W. Peirson 1933-5-13 10664 Los Angeles About 10 miles south of Munroc, Western Mojave Desert. Comment
  UCD120272  Phacelia brachyloba Henry J. Thompson 1960-5-14 3060 Los Angeles 1 mile east of Saddle Peak, Santa Monica Mountains. 731 Comment
  RSA758072  Phacelia brachyloba D. E. Bramlet, Jennifer Pareti 2008-4-14 4200 Los Angeles [Find this: 9 ct.] Comment
  RSA0080976  Phacelia cicutaria var. hispida R. G. Swinney 2010-4-28 12415 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  UCR258558  Phacelia cicutaria var. hispida R. G. Swinney 2010-5-29 13018 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  POM310392  Phacelia cicutaria var. hubbyi Margaret Hardinge 1946-3-28 159 Los Angeles Hills west of Pomona 366 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
  RSA704349  Phacelia curvipes Gary D. Wallace 1982-4-17 1918 Los Angeles Bob's Gap. Comment
  RSA42309  Phacelia davidsonii Lincoln Constance 1941-6-25 2854 Los Angeles North side of Vincent Gulch 2134 Comment
  RSA733034  Phacelia davidsonii R. G. Swinney 1998-7-8 6342 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  UC519877  Phacelia davidsonii C. Epling 1931-5-16 Los Angeles Big Pines Camp San Gabriel Mts. Comment
  UC672436  Phacelia davidsonii Margaret Stason 1927-5-14 Los Angeles Pinion Ridge San Gabriel Mts. Comment
  RSA0089147  Phacelia distans R. G. Swinney 2010-3-24 12059 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA774735  Phacelia distans R. G. Swinney 2009-6-17 11179 Los Angeles Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UCR260018  Phacelia distans R. G. Swinney 2010-3-30 12106 Los Angeles San Gabriel Mountains, Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway 207 Comment
  SBBG64918  Phacelia douglasii R. Hoffmann 1929-4-5 Los Angeles Palmdale Comment
  CAS-BOT-BC141541  Phacelia floribunda Steven A. Junak 1996-5-18 SCI - 492 Los Angeles San Clemente Island: W side of island, on S side of lower portion of Middle Ranch Canyon, ca. 150 yards inland from escarpment 48 Comment
  SD45362  Phacelia fremontii Lincoln Constance 1941-4-10 2801 Los Angeles Antelope Valley, 1.5 miles west of Lancaster. 715 Comment
  POM19204  Phacelia fremontii P. A. Munz 1923-5-27 6903 Los Angeles San Gabriel Mountains, Pallett Creek Comment
  POM298634  Phacelia fremontii Lincoln Constance 1941-4-10 2801 Los Angeles Antelope Valley, 1.5 miles W of Lancaster. 412 Comment
  UCD120448  Phacelia grandiflora Gene Bishop 1994-5-19 T- 8 Los Angeles Topanga Canyon, halfway between coast and Calabasas. Comment
  RSA783490  Phacelia imbricata J. D. Olmsted 1959-3-30 325 Los Angeles 0.25 mi SE of junction between Palmer and Cobal Canyons and eastern county line. San Antonio Wash drainage area 427 Comment
  SFV6285  Phacelia imbricata M. H. Grayum, K. Felt 1974-5-22 s. n. Los Angeles Santa Susana Mountains North side of Oat Mountain. Along main ridge road. 1029 Comment
  RSA428004  Phacelia imbricata subsp. imbricata I. M. Johnston 1917-7-1 1443 Los Angeles Brown s Flat Comment
  UCR126947  Phacelia imbricata subsp. imbricata Mark A. Elvin 2003-6-12 2943 Los Angeles Santa Clarita Valley, Newhall Ranch, south side of Potrero Canyon, south of Potrero Mesa 335 Comment
  RSA166635  Phacelia imbricata subsp. patula H. Dearing 1944-10-5 5902 Los Angeles Chilao. 1524 Comment
  RSA570044  Phacelia longipes Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4901 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity. 492 Comment
  SBBG50409  Phacelia lyonii M. R. Benedict 1970-6-30 Los Angeles 0.5 mi W of Eagles Nest Comment
  UC24495  Phacelia minor H. P. Chandler 1897-3-22 Los Angeles Claremont 365 Comment
  UCR163196  Phacelia minor Kathleen Stockwell 2003-6-11 s.n. Los Angeles San Gabriel Mtns, Palmer Canyon, Claremont, North Padua Ave, road to water tank at edge of bulldozed area, NNE of Padua Hills Theater 610 Comment
  RSA428065  Phacelia minor T. S. Clare 1929-4-10 s.n. Los Angeles Verdugo Hills. Comment
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Feb 28 2015
  RSA650543  Phacelia minor Dick Slanker 1949-4-20 s.n. Los Angeles San Dimas Canyon. 610 Comment
  RSA656179  Phacelia minor Joseph M. Keefe 1978-5-11 22907 Los Angeles Verdugo Mountains: 0.5 mi north of DeBell Golf Course, foothills of Verdugo Mountains, Burbank. 488 Comment
  SFV21670  Phacelia mohavensis H. Wisch 2008-6-16 s. n. Los Angeles San Gabriel Mountains Near upper reaches of small tributary of South Fork Little Rock Creek, just off of Highway 2 about 1 mile east of Three Points. 1895 Comment
  UCR205979  Phacelia ramosissima A. C. Sanders, T. B. Salvato 2009-5-29 37050 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  CAS-BOT-BC159106  Phacelia ramosissima var. latifolia Geo. L. Fisher 1920-7-12 s.n. Los Angeles Mt. Wilson 548 Comment
  RSA762286  Phacelia ramosissima var. latifolia Orlando Mistretta, Christine Mistretta 2008-5-5 2645 Los Angeles Southern California Edison transmission line corridor (Segment 11, Structure 79 per TRTP Survey 2008), in the vicinity of Millard Canyon. 701 Comment
  SEINET4044601  Phacelia viscida D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 182 Comment
  UC572686  Phalaris caroliniana Nell Murbarger April, 1936 137 Los Angeles s end San Clemente Island; s end of San Clemente Island Comment
  SD90634  Phalaris lemmonii Robert F. Thorne 1966-4-17 36090 Los Angeles San Clemente Island; near reservoirs between Boulder & Horton, NE side of the island 487 Comment
  RSA232803  Phalaris minor R. F. Thorne 1966-4-16 36026 Los Angeles San Clemente Island: above Wilson Cove, NE end of island 30 Comment
  SBBG112960  Phalaris paradoxa S. A. Junak with M. L. Hoefs 1998-6-12 SCa 733 Los Angeles Banning House Rd, ca. 1 mi from Two Harbors 228 Comment
  UCR149538  Phlox diffusa R. G. Swinney 1997-6-25 5632 Los Angeles San Gabriel Mtns., west of Wrightwood, c. 0.25 mi. east of Hwy 2, c. 300 m N of Guffy Rd. (3N06) 2317 Comment
  CAS-BOT-BC222557  Pholistoma auritum var. auritum John Thomas Howell 1928-4-18 3725 Los Angeles N. side of Griffith Park, Los Angeles Comment
  UCD170492  Phoradendron leucarpum subsp. tomentosum R. G. Swinney 2008-6-4 8932 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, west tributary of W Fork Punchbowl Canyon, 0.4 mi. NE of park headquarters. 1329 Comment
  IRVC29045  Phoradendron macrophyllum A. C. Sanders, Mark Elvin 2002-6-25 25275 Los Angeles Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 274 Comment
  RSA132712  Phoradendron macrophyllum Del Wiens 1955-1-12 939 Los Angeles South of the top of Kellogg Hill, on U.S. 99, west of Pomona.Oak Woodland. 610 Comment
  CAS-BOT-BC141305  Phoradendron serotinum subsp. tomentosum Del Wiens 1953-10-1 847 Los Angeles On US Hwy. 99, on the Ridge Route, near El Rancho 76 1066 Comment
  UCR145195  Phoradendron villosum June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek Fire Station, Fenner Canyon 1616 Comment
  SEINET3290578  Phyllospadix torreyi F. R. Fosberg 1931-4-12 S 4575 Los Angeles Santa Catalina Island, Jewfish Point Comment
  RSA682937  Phyllospadix torreyi E. Yale Dawson 1959-2-23 20638 Los Angeles Point Dume Bay, Station # 11. Comment
  RSA659887  Pinus attenuata Brian McColgan 1988-5-10 6 Los Angeles Evey Cyn., 1 mile N of Padua on Mt. Baldy Rd 915 Comment
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Mar 27 2014
  SD108755  Pinus contorta subsp. murrayana Barry Prigge 1970-12-12 109 Los Angeles San Gabriel Mountains, 18 air miles north of San Dimas, 1 mile south of Dawson Saddle on State Highway #2 2745 Comment
  CAS-BOT-BC78867  Pinus monophylla Le Roy Abrams; E. A. McGregor 1908-7-5 669 Los Angeles Lone Pine Canyon, desert slopes of the San Gabriel Mountains 1158 Comment
  NY61886  Pinus monophylla A. B. Cossey 1972-9-3 s.n. Los Angeles Cattle Canyon (a tributary of the East Fork of the San Gabriel River, the confluence being near the East Fork Guard Station). Mount Baldy District, Angeles National Forest 2048.3 Comment
  RSA612190  Pinus monophylla L. C. Wheeler 1970-10-7 s.n. Los Angeles Los Angeles: 1/2 mile northeast of Charlton Station near Center. 1677 Comment
  SBBG347  Pinus monophylla J. M. Tucker 1946-10-18 1973 Los Angeles 6.1 mi S of Gorman Comment
  RSA168999  Pinus ponderosa Mark Parratt 1964-4-8 621 Los Angeles Charlton Flats Recreation Area; Angeles Crest Highway 1616 Comment
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Mar 3 2014
  CAS-BOT-BC72761  Pinus sabiniana Timothy S. Ross 1995-4-26 8384 Los Angeles West end of Liebre Mountain along Forest Service Road 7N23 ca 0.9 road-mile NE of its junction with the Old Ridge Route; 1341 Comment
  UCR191678  Pinus sabiniana T. B. Salvato, Renee Galeano-Popp 2008-4-25 3340 Los Angeles Transverse Range; Northwestern San Gabriel Mountain Foothills/Mojave Desert, south of Hwy 138, southeast of the end of 300th St. West, wash below the mouth of Horse Camp Canyon 939 Comment
  UC400306  Pinus torreyana H. A. E. Marshall and M. B. Elliott 1911-2-11 Los Angeles Soledad Mt. Soledad Mt. (n spur, overlooking mouth of Soledad Canyon) Comment
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Dec 22 2014
  RSA577896  Piperia cooperi Louis C. Wheeler 1933-5-5 1694 Los Angeles San Gabriel Mountains, Fish Canyon. 290 Comment
  RSA0034620  Piptatherum miliaceum Joseph M. Keefe 2001-1-19 30921 Los Angeles 15 meters north of begninging of the Eagle Rock Park path along east side of Sholl Canyon Road opposite of driveway to 7685 Sholl Canyon Road, 100 meters north of Figueroa Street, Eagle Rock. 90041., North: 34 deg 08' 40.4'', West: 118 deg 11' 02.0' 284 Comment
  UCR258606  Piptatherum miliaceum R. G. Swinney 2010-8-26 13604 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  RSA674694  Plagiobothrys acanthocarpus Scott D. White, S. Leateherman, David E. Bramlet, A. O'Neal, Walter sangkatavat 2001-4-24 8414 Los Angeles Southwestern Liebre Mountains: Grasshopper Canyon area near Castaic lake. 518 Comment
  SBBG119433  Plagiobothrys acanthocarpus S. D. White with S. Leatherman, D. Bramlet, A. Oneal, W. Sangkatavat 2001-4-24 8414 Los Angeles Grasshopper Cyn area near Castaic Lake 518 Comment
  RSA600031  Plagiobothrys arizonicus Steve Boyd, Lauren Raz 1997-3-25 9251 Los Angeles Liebre Mountains region, extreme NW corner of the range in Peace Valley, small side canyon just east of Interstate 5 off Copco Road. 951 Comment
  UCR255807  Plagiobothrys arizonicus R. G. Swinney 2010-5-12 12749 Los Angeles San Gabriel Mountains, Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  POM50666  Plagiobothrys collinus var. californicus A. J. McClatchie 1897-5-2 s.n. Los Angeles Wilmington Comment
  RSA616155  Plagiobothrys collinus var. fulvescens Valerie L. Soza 1998-5-3 91 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, along southern edge of pHake Lake. 411 Comment
  RSA535279  Plagiobothrys collinus var. gracilis Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5315 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons 486 Comment
  SBBG98550  Plagiobothrys collinus var. gracilis T. Ross, O. Mistretta, M. Hammitt 1991-5-20 5315 Los Angeles between Box and Horse Cyns 486 Comment
  RSA639245  Plagiobothrys nothofulvus R. F. Thorne, M. Z. Thorne 1971-4-25 41344 Los Angeles San Gabriel Mountains: Johnson's Pasture north of Claremont. 609 Comment
  RSA720431  Plantago coronopus F. R. Fosberg 1931-5-21 S 4947 Los Angeles Santa Catalina Island. Soapstone Quarries, Parsons Landing. 15 Comment
  LA33803  Plantago erecta Peter H. Raven; 1959-4-4 13959 Los Angeles Santa Monica Mountains, just E of Zuma Beach 30 Comment
  RSA598093  Plantago erecta Steve Boyd, Lauren Raz 1997-3-4 9142 A Los Angeles Liebre Mountains region, Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon. 610 Comment
  RSA618727  Plantago erecta Scott D. White 1998-5-19 6516 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
  SBBG18713  Plantago erecta E. R. Blakley 1963-4-7 5529 Los Angeles between Haypress and Gallagher Cyn's head 411 Comment
  UCR179623  Plantago erecta R. G. Swinney 1991-4-21 1584 Los Angeles San Gabriel Mtns. Foothills, Glendora, South Hills, east end of Eagle Ridge, c. 50 m north of Lot 6 in Hughes development, in 'open space 305 Comment
  UCR182744  Plantago erecta R. G. Swinney 1998-4-11 5935 Los Angeles San Gabriel Mtns, Claremont, 0.5 to 1 mi. NE of Padua Hills Restaurant, which is on Padua Dr. 793 Comment
  UCD124470  Plantago erecta Peter H. Raven 1962-4-10 17227 Los Angeles 2 miles north of Thirst; San Clemente Island, California. Comment
  UCR149302  Plantago indica R. G. Swinney 1997-7-14 5675 Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon Percolation Basin, east side of Glendora Mtn. Rd. 320 Comment
  RSA402019A  Plantago ovata Blanche Trask 1901-03 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  SBBG96845  Plantago ovata var. insularis S. Boyd with T. Ross, L. Arnseth 1990-4-7 4219 Los Angeles lower half of China Cyn Comment
  CDA6597  Plantago virginica R. L. Armacost 1973-4-17 2841 Los Angeles Northeastern Santa Monica. 0 Comment
  UCR270841  Platanthera dilatata var. leucostachys R. G. Swinney 2011-8-17 15619 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  CAS-BOT-BC93196  Platanus racemosa C. B. Wolf 1931-6-25 2234 Los Angeles Wash, southwest of Los Angeles Botanic Garden, along Beverly Boulevard. (Mandevill Canyon). 60 Comment
  RSA401716B  Platanus racemosa Vanvalkenburgh 1934-10-27 s.n. Los Angeles Tejon Pass. Comment
  RSA750235  Platanus racemosa A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37070 Los Angeles Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery 63 Comment
  CAS-BOT-BC91674  Platystemon californicus C. F. Baker 1904-5-2 4731 Los Angeles Hills near Claremont. Comment
  RSA316347  Platystemon californicus Robert F. Thorne, Walter Wisura, S. Granger, Pamela Burton 1982-4-20 54969 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
  UCR185395  Plectritis ciliosa A. C. Sanders, T. B. Salvato 2007-4-25 33552 Los Angeles Tehachapi Mtns., Oso Canyon near Kern Co. line, c. 0.1-0.2 mi. south of road on canyon bottom, c. 0.75 mi. east of powerlines 1220 Comment
  RSA433728  Plectritis ciliosa subsp. insignis Samuel R. Tyson 1942-5-22 s.n. Los Angeles San Dimas Exper. For. trail to flumes 4 and 5, San Dimas Canyon, San Gabriel Mt. Comment
  JEPS36550  Pleiacanthus spinosus Frank W. Peirson 1923-8-31 4007 Los Angeles Blue Ridge, San Gabriel Mountains San Gabriel Mountains, Blue Ridge Comment
  UCD92201  Poa R. Tofsrud 1949-4-1 s.n. Los Angeles Highway 138, between Pearblossom and Cajon. Comment
  RSA190895  Poa annua R. F. Thorne 1967-5-18 36859 Los Angeles Middle Bulrush canyon, Santa Catalina Island. 243 Comment
  SBBG56747  Poa annua M. N. Ackley -Feb-1926 7 Los Angeles Eagle Rock 182 Comment
  RSA484176  Poa annua Edwin Kline 1924-5-10 s.n. Los Angeles [No further locality information] Comment
  RSA92371  Poa annua F. W. Peirson 1922-7-6 4201 Los Angeles Big Pines Camp 2088 Comment
  UCD91802  Poa palustris Peter H. Raven 1960-5-7 15342 Los Angeles Santa Monica Mountains. In canyon about 1 mile southwest of Seminole Hot Springs. 335 Comment
  UCR204210  Poa pratensis R. G. Swinney 2001-9-16 8160 Los Angeles San Gabriel Mountains, 100 m east of Little Jimmy Spring Canyon, south Fork, south of Hwy 2, 0.6 mi due east of Mt. Islip and c. 2 mi north of Crystal Lake 2207 Comment
  RSA484218  Poa secunda Robert Gustafson 1978-5-2 890 Los Angeles Off dirt road leading into Hungry Valley, 4 mile from the junction with the 2 lane paved Peace Valley Road, west of Gorman. 1250 Comment
  RSA728343  Poa secunda Gary D. Wallace 1982-4-17 1901 Los Angeles Mojave Desert: Fort Tejon Road S of Pearblossom, between 106th and Longview Road. Comment
  UCSB37845  Poa secunda subsp. juncifolia Roos, John; Roos, Lucille 1951-5-27 Los Angeles Flats between Lancaster and Rosamond, Mojave Desert 701 Comment
  CAS-BOT-BC236217  Poa secunda subsp. secunda Timothy S. Ross; Darin Banks 1994-4-13 7546 Los Angeles Liebre Mountains. Lower Spunky Canyon: easterly slope at the effluence of the canyon into Bouquet Reservoir 926 Comment
  RSA606994  Poa secunda subsp. secunda L. C. Wheeler 1968-5-24 s.n. Los Angeles San Gabriel Mountains: Northwest slope Smith Mt., along Bear Creek Trail. 1249 Comment
  UC76987  Poa secunda subsp. secunda J. Burtt Davy May 9 1896-May 24 1896 2537 Los Angeles Manzana; Antelope Valley Comment
  UCR205679  Polycarpon tetraphyllum A. C. Sanders, T. B. Salvato 2009-5-18 36810 Los Angeles San Gabriel Valley, Montebello Hills, north side of the Pomona (60) Freeway, SW of Greenwood Ave., south of Potrero Grande Dr., under SCE powerlines near substation 116 Comment
  SBBG77486  Polygonum argyrocoleon F. R. Fosberg 1931-4-3 4461 Los Angeles Pebbly Beach Comment
  RSA0116450  Polygonum aviculare R. G. Swinney 2010-8-11 13501 Los Angeles San Gabriel Mountains; San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road. 595 Comment
  UCR95275  Polygonum aviculare L. C. Wheeler 1966-10-6 8956 Los Angeles San Gabriel Mtns., Islip Saddle, Angeles Crest Hwy 2043 Comment
  UC132268  Polygonum aviculare subsp. aviculare J. and H. W. Grinnell 1906-8-26 365 Los Angeles near Pasadena (vacant lot) Comment
  RSA533912  Polygonum aviculare subsp. aviculare Tim S. Ross, Orlando Mistretta 1991-5-18 5183 Los Angeles San Clemente Island: Twin Dams; shallow pond at the westerly of the two earthen dams, and mesic inlet draw 474 Comment
  RSA607505  Polygonum aviculare subsp. aviculare Louis C. Wheeler 1973-6-14 s.n. Los Angeles California State University, Long Beach. Comment
  POM50451  Polygonum hydropiperoides L. R. Abrams 1901-08 2187 Los Angeles Ballona Creek. Comment
  RSA708716  Polygonum lapathifolium Scott D. White, Andrea Warniment 2005-9-9 11219 Los Angeles Tehachapi Mountains: Oso Canyon, ca. 1-2 air miles N. of Quail Lake. 1006 Comment
  CAS-BOT-BC71894  Polypodium californicum Marcus E. Jones 1926-3-16 s.n. Los Angeles West of Pomona Comment
  POM158007  Polypodium californicum M. B. Dunkle 1928-3-11 1720 Los Angeles Silver Canyon, Santa Catalina Island 168 Comment
  RSA640159  Polypodium californicum L. C. Wheeler 1968-05 s.n. Los Angeles San Gabriel Mountains: Bear Creek, off West Fork San Gabriel River. Comment
  UCR200146  Polypodium californicum Valerie Soza, Shalini Deo, Stephen Dreher 2000-4-27 799 Los Angeles Verdugo Mountains, south side, Wildwood Canyon, Wildwood Canyon Park, at end of paved Wildwood Canyon Road at junction with fire road 488 Comment
  RSA689942  Polypodium californicum May N. Ackley 1931-2-22 99 Los Angeles Wolfskill camp, San Dimas Canyon Comment
  RSA600467  Polypogon interruptus Steve Boyd, Lauren Raz 1997-4-30 9615 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine 866 Comment
  LA10119  Polypogon monspeliensis Joseph Andorfer Ewan; 1932-6-28 7506 Los Angeles Santa Monica Mountains, Los Angeles River at Hyperion Bridge Comment
  RSA776731  Polypogon monspeliensis Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11680 Los Angeles Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  POM115838  Polypogon viridis Marcus E. Jones 1882-5-1 s.n. Los Angeles Los Angeles. Comment
  RSA385486  Polypogon viridis Edwin Kline 1924-5-20 s.n. Los Angeles Los Angeles. Comment
  RSA774841  Polypogon viridis R. G. Swinney 2009-6-12 11148 Los Angeles Shoemaker Canyon Rd., at Blind Deer Spring in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  CAS-BOT-BC102553  Populus fremontii Le Roy Abrams; E. A. McGregor 1908-7-2 556 Los Angeles Rock Creek, desert slopes of the San Gabriel Mountains 1158 Comment
  CAS-BOT-BC102554  Populus fremontii Le Roy Abrams; E. A. McGregor 1908-6-20 412 Los Angeles Liebre Mountains, Elizabeth Lake Comment
  UCR24188  Potamogeton crispus John C. Roos 1950-7-15 4852 Los Angeles San Gabriel Valley, Whittier Narrows, San Gabriel River bed near Whittier 61 Comment
  SEINET3892554  Potamogeton foliosus Louis C. Wheeler 1946-10-26 6388 Los Angeles San Gabriel Mountains: San Gabriel Canyon; 0.8 miles upstream from mouth at first bridge, north side.; 0 259 Comment
  RSA383493  Potamogeton illinoensis L. C. Wheeler 1933-10-22 2198 Los Angeles San Gabriel Mountains, Crystal Lake 1707 Comment
  POM574  Potentilla anserina var. grandis I. M. Johnston 1911-6-10 1336 Los Angeles Ballona Creek, near Mesmer. Comment
  LA34194  Potentilla glandulosa subsp. glandulosa Henry J. Thompson; 1959-5-31 2054 Los Angeles Santa Monica Mountains, just E of junction of Latigo Canyon Rd with Mulholland Hwy 518 Comment
  UCR220158  Prunus fasciculata R. G. Swinney 2009-4-2 10262 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road 1235 Comment
  RSA649653  Prunus fasciculata var. fasciculata Michael Horn 1991-4-30 2 Los Angeles San Gabriel Mountains. Take dirt road 4N06 2 1/2 miles north of Hwy CN4 to reservoir. East 1/8 mile on unnamed dirt road to site. 1463 Comment
  RSA453246  Prunus ilicifolia Bonnie C. Templeton 1934-9-15 4684 Los Angeles Near Lang. Comment
  RSA453252  Prunus ilicifolia Gordon Pilone, Mark Parratt 1962-6-24 499 Los Angeles 1 mile W of Topanga Canyon Road on [Robinson?] Road 305 Comment
  RSA552458  Prunus ilicifolia D. Charlton 1991-7-5 5522 Los Angeles Elizabeth Canyon Rd. bridge near Warm Spring Canyon. 396 Comment
  UCR51990  Prunus ilicifolia Steve Boyd, T. S. Elias 1987-4-14 2048 Los Angeles San Gabriel Mtns., Rincon to Red Box Road, south of Rincon Forest Station, north of Glendora 991 Comment
  SEINET10483464  Prunus ilicifolia Robert A. Schlising 1970-5-2 Schlising 2946 Los Angeles Lopez Canyon, north of Pacoima; chaparral, with Leptodactylon californica, Rhus ovata, Eriodictyon tricocalyx, Heteromeles arbutifolia, Toxicodendron diversiloba, Salvia mellifera, Paeonia californica. Comment
  RSA187813  Prunus lyonii Robert F. Thorne 1966-4-7 35970 Los Angeles Santa Catalina Island. Howland Landing Canyon near road to Johnson's Landing. 23 Comment
  SBBG19132  Pseudognaphalium biolettii M. A. Piehl 1963-12-7 631078 Los Angeles opposite Pyramid Head on SE tip of island 12 Comment
  SBBG32092  Pseudognaphalium biolettii R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -179 Los Angeles just E of Wild Boar Gully, Salta Verde Comment
  RSA251415  Pseudognaphalium biolettii R. F. Thorne 1966-4-16 36028 Los Angeles San Clemente Island: above Wilson Cove, NE end of island 30 Comment
  SD90381  Pseudognaphalium biolettii Robert F. Thorne 1966-4-16 36028 Los Angeles San Clemente Island; rocky slope above Wilson Cove. 29 Comment
  UCR261384  Pseudognaphalium canescens R. G. Swinney 2010-2-27 11717 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
  UCR270261  Pseudognaphalium canescens R. G. Swinney 2011-10-10 15729 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  UC75922  Pseudognaphalium leucocephalum Geo. B. Grant 1901-1-1 516 Los Angeles Pasadena Comment
  SBBG131604  Pseudognaphalium luteoalbum S. A. Junak 1999-7-15 SCa 1036 Los Angeles N border of lower reservoir in Bulrush Cyn 304 Comment
  UC53985  Pseudognaphalium microcephalum H. P. Chandler 1902-9-9 2031 Los Angeles Ballona Marshes Comment
  CAS-BOT-BC357301  Pseudognaphalium microcephalum Geo. L. Moxley 1927-5-1 s.n. Los Angeles La Crescenda Comment
  CAS-BOT-BC357641  Pseudognaphalium stramineum L. R. Abrams; I. L. Wiggins 1931-7-6 375 Los Angeles San Clemente Island. Vicinity of Mosquito Harbor Comment
  RSA591995  Pseudognaphalium stramineum Mark Hoefs 1974-4-30 430 Los Angeles Santa Catalina Island: by trail in Hermit's Gulch. 91 Comment
  SBBG31308  Pseudognaphalium stramineum R. F. Thorne, P. Everett 1965-6-22 34919 Los Angeles S of Avalon golf course, bottom of Avalon Cyn, Santa Catalina Island 91 Comment
  RSA626237  Pseudotsuga macrocarpa L. C. Wheeler 1967-5-15 9578 Los Angeles San Gabriel Mountains: South side Elsmere Canyon near the mouth. 518 Comment
  LA94226  Pteridium aquilinum var. pubescens Lawrence L. Kiefer; 1966-3-6 1644 Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon, ca 0.25 mi from mouth. 121 Comment
  LA94229  Pteridium aquilinum var. pubescens Lawrence L. Kiefer; 1966-3-27 1810 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, ca 3 mi above Sunset Blvd. 274 Comment
  UC1440255  Pteris vittata L. L. Kiefer 1967-4-1 3159 Los Angeles n of Pasadena (Pasadena Glen ca. 0.25 mi from end of rd); San Gabriel Mts 487 Comment
  RSA228973  Pterospora andromedea R. F. Thorne 1971-8-25 41292 Los Angeles San Gabriel Mts., Angeles National Forest: Above Little Jimmy Springs along trail to Windy Gap 2287 Comment
  UCR182736  Pterospora andromedea R. G. Swinney 1997-7-23 5737 A Los Angeles San Gabriel Mtns, upper Buford Canyon, c. 200 m north of Guffy Rd., Blue Ridge Mtn. area 2494 Comment
  RSA628636  Pterospora andromedea L. C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: Little Rock Creek, fork north from pumphouse. 2043 Comment
  CAS-BOT-BC421191  Pterostegia drymarioides Le Roy Abrams 1901-4-5 1348 Los Angeles San Fernando Mts. near Chatsworth Park. Comment
  UCR124364  Pterostegia drymarioides I. W. Clokey, B. C. Templeton 1929-1 4523 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  CAS-BOT-BC158665  Purshia tridentata var. glandulosa Robert F. Thorne; C. W. Tilforth 1973-4-20 43029 Los Angeles Ridge N of Shoemaker Cnayon, 3 mi WNW of Mile High & c. 1.5 mi E of Big Rock Springs, Mojave Desert slopes - San Gabriel Mountains 1371 Comment
  SEINET10858152  Pyrus communis Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2580 Los Angeles City of San Gabriel. Howie's Ranch Market, 6580 N. San Gabriel. Comment
  UCR178372  Quercus X grandidentata LeRoy Gross 2001-1-28 334 Los Angeles Transverse Range, Verdugo Mtns., north side; ridge between Engleheard and Henderson Canyons 549 Comment
  UCR258906  Quercus agrifolia R. G. Swinney 2010-8-16 13529 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UC1584753  Quercus agrifolia var. agrifolia Tim Ross and Annette Ross 1991-3-7 4153 Los Angeles Elephant Hill, w Pomona Pomona, San Dimas U.S.G.S. 7.5' Quad. 335 Comment
  RSA594977  Quercus berberidifolia Tim S. Ross 1995-4-7 8369 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
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Jul 11 2016
  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
  UC472132  Quercus berberidifolia J. Ewan 1931-10-24 5259 a Los Angeles 1 mi above Malibu Lake (on Seminole Hot Springs Rd); Santa Monica Mts. Comment
  LA46918  Quercus chrysolepis W. B. Welch; 1931-8-31 sn Los Angeles San Gabriel Mountains, Big Rock Creek Comment
  UC1135395  Quercus chrysolepis A. D. Gifford 1935-3-26 508 Los Angeles 2.25 mi wnw Sawmill Peak; Angeles National Forest, Tejon Quad. 1432 Comment
  UC5510  Quercus chrysolepis J. H. Barber 1897-6-30 228 Los Angeles Pierson's Mine Comment
  UCSB19404  Quercus chrysolepis Haller, John Los Angeles Crystal Lake Campground, San Gabriel Mountains 1767 Comment
  CAS-BOT-BC86237  Quercus dumosa Le Roy Abrams; I. L. Wiggins 1931-7-4 323 Los Angeles Santa Catalina Island. White's Landing Comment
  CAS-BOT-BC86372  Quercus dumosa Fordyce Grinnell 1916-9-2 s.n. Los Angeles San Gabriel Mts. - near Pasadena Comment
  UCR209681  Quercus dumosa Dan S. Cooper 2009-1 209- 25 .1 Los Angeles Los Angeles Basin, Baldwin Hills just below new overlook site, south of Jefferson Blvd., CA State Parks property 122 Comment
  RSA29751  Quercus durata var. gabrielensis Joseph A. Ewan 1933-7-4 7852 Los Angeles Sturdevant Trail, Santa Anita Canyon, San Gabriel Mountains 1067 Comment
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Feb 3 2011
  RSA573425  Quercus durata var. gabrielensis Louis C. Wheeler 1931-11-13 356 Los Angeles Mouth of Liveoak Canyon 409 Comment
  RSA653529  Quercus durata var. gabrielensis LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 290 Los Angeles Verdugo Mountains: Intersection of Verdugo Mountainway and Hostetter Mountainway. 915 Comment
  RSA702822  Quercus durata var. gabrielensis Scott D. White 2004-7-27 10633 Los Angeles San Gabriel Mtns. Clear Creek area. Roadside and hiking trail S side of Angeles Forest Hwy, ca. 0.2 mi W of jtn with Angeles Crest Hwy. 1067 Comment
  UCR270167  Quercus durata var. gabrielensis R. G. Swinney 2011-4-9 14370 Los Angeles San Gabriel Mountains, NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  RSA762408  Quercus durata var. gabrielensis Orlando Mistretta, Christine Mistretta 2008-5-9 3014 Los Angeles Southern California Edison transmission line corridor (Segment 11, structure 63) per TRTP Survey 2008), in the vicinity of Arroyo Seco Canyon. 844 Comment
  RSA476790  Quercus engelmannii George B. Grant 1904-5-5 6167 Los Angeles Pasadena. Comment
  UCR51252  Quercus engelmannii Lyman Benson 1947-5-2 12352 Los Angeles South slope of San Gabriel Mtns., Indian Hill Boulevard, Claremont 427 Comment
  RSA716495  Quercus john-tuckeri Scott D. White, Andrea Warniment 2006-7-7 11625 Los Angeles Gorman area, west of the I-5 Freeway at SR-138 interchange. SE Tehachapi Mts. 1006 Comment
  SD230236  Quercus john-tuckeri Steve Boyd 1997-9-17 10046 Los Angeles Liebre Mountains Region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 853 Comment
  SFV12027  Quercus john-tuckeri D. L. Koutnik, B. Holguin 1978-4-1 215 Los Angeles San Gabriel Mountains West side of Sierra Highway and 1 mile north of CA-Highway 14. 988 Comment
  UC1871290  Quercus john-tuckeri T. S. Ross, S. D. Boyd, Peter Fritsch 1990-6-28 3979 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: NW slope between Tentrock Canyon and Poison Oak Canyon Comment
  UCR183572  Quercus john-tuckeri A. C. Sanders, T. B. Salvato, Michael Honer 2007-4-25 33532 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
  RSA757662  Quercus john-tuckeri Orlando Mistretta, Christine Mistretta 2008-4-16 2464 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 23 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1142 Comment
  UCR9303  Quercus lobata Ted Hanes 1966-10-13 s.n. Los Angeles Transverse Range, Pine Mountain Road, 8 mi. west of Lake Hughes 1037 Comment
  CATA1010  Quercus pacifica Mark L. Hoefs 1994-7-18 1894 Los Angeles Santa Catalina Island: Northeast of upper end of road to White's Landing 243 Comment
  RSA5398  Quercus pacifica Carl B. Wolf 1932-10-5 4231 Los Angeles Santa Catalina Island, Black Jack Peak, south side (below buildings used to house workers). 305 Comment
  SBBG128309  Quercus pacifica M. Zou, A. Cheung, D. Kasang, S. Lawrence-Gomez, S. Ratay 2011-7-8 23 Los Angeles Deer Valley Trail 62 Comment
  CAS-BOT-BC104852  Quercus wislizeni Timothy S. Ross; Steve Boyd 1995-6-28 8621 Los Angeles Liebre Mountains. Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 737 Comment
  UCSC001116  Quercus wislizeni Peter Kamb 1947-9-28 743 Los Angeles Pine flats, San Gabriel Mts. 1829 Comment
  RSA594798  Quercus wislizeni var. wislizeni Steve Boyd, Lauren Raz 1996-10-29 9100 Los Angeles Liebre Mountains region, Atmore Meadows area at the southeastern end of Liebre Mountain in a tributary drainage to the North Fork Fish Canyon. 1317 Comment
  UC303095  Ranunculus californicus Marcus E. Jones, A. M. 1882-5-3 3220 Los Angeles Pasadena Comment
  CAS-BOT-BC378866  Ranunculus californicus var. californicus I. Johnston 1917-2-10 s.n. Los Angeles hills south of Pomona Comment
  POM7061  Ranunculus hebecarpus P. A. Munz, L. T. Street, G. Williams 1919-4-5 2452 Los Angeles Puddingstone Canyon. 950 Comment
  CATA1252  Raphanus raphanistrum Mark L. Hoefs, Phil Hartman, Bret Marin 1995-6-27 2332 Los Angeles Santa Catalina Island: Catalina Harbor 3 Comment
  UC1584034  Raphanus sativus Tim Ross 1991-2-23 4109 Los Angeles Whittier Hills (Puente Hills), Upper Turnbull Canyon, 1/5 air mi wnw of Turnbull Canyon Road x Skyline Drive Upper Turnbull Canyon; Whittier Hills (Puente Hills), Upper Turnbull Canyon 298 Comment
  UC61103  Rhamnus californica subsp. californica Ernest Braunton 1903-5-27 176 Los Angeles Eagle Rock Canyon Comment
  UC80269  Rhamnus californica subsp. californica Ernest Braunton 1902-5 359 -538 Los Angeles Sherman Comment
  UC592698  Rhamnus crocea P. C. Everett 1935-6-25 Los Angeles 0.7 mi w Van Nuys Blvd. (Foothill Blvd); San Fernando Valley 274 Comment
  SEINET13946311 Image available Rhamnus crocea C. F. Baker 1903-1 3653 Los Angeles San Antonio Canyon near Claremont Comment
  SEINET12210179  Rhamnus crocea var. ilicifolia I. W. Clokey, Templeton, B. 1929-1 4575 Los Angeles Mandeville Canyon, Santa Monica Mountains 275 Comment
  POM85015  Rhamnus ilicifolia Marcus E. Jones 1882-5-2 s.n. Los Angeles Pasadena. Comment
  RSA390829  Rhamnus ilicifolia Fordyce Grinnell Jr. 1911-09 1931 Los Angeles Bailey Canyon, San Gabriel Mountains. Comment
  UCR144603  Rhamnus ilicifolia G. D. Wallace 1985-2-24 2165 Los Angeles San Gabriel Mtns., Gold Hill, Alta Vista Ave. between Oak Grove and Mesa Circle, Monrovia 274 Comment
  CAS-BOT-BC59781  Rhamnus pirifolia G. B. Grant 1901-4-9 8972 Los Angeles Avalon. Comment
  CATA1692  Rhamnus pirifolia Mark L. Hoefs, Robert F. Thorne 1998-10-9 2989 Los Angeles Santa Catalina Island: Upper end of Renton Mine Road 231 Comment
  RSA25904  Rhamnus pirifolia Knopf, Johnson 1930-1-30 698 Los Angeles Middle Ranch Canyon, Santa Catalina Island. Comment
  SBBG39126  Rhamnus pirifolia M. Van Rensselaer 1937-7-1 Los Angeles Santa Catalina Island Comment
  UCR50759  Rhamnus pirifolia Tom Scott 1988-5-8 s.n. Los Angeles Channel Islands, San Clemente Island, bottom of Horse Canyon Comment
  UC592783  Rhamnus tomentella subsp. cuspidata unknown 1928-3-29 1578 Los Angeles 2 mi from Sandbergs on the Ridge Route (on road to Elizabeth Lake) 1097 Comment
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Jun 4 2014
  UC1121781  Rhamnus tomentella subsp. tomentella G. E. Sindel 1935-1-7 114 Los Angeles 5.5 mi ese Quail Lake; Angeles National Forest, Tejon Quad. 1127 Comment
  CAS-BOT-BC199078  Rhus aromatica Timothy S. Ross; Darin Banks 1994-4-13 7534 Los Angeles Ca 1400 m ESE of Plum Spring and ca 960 m W of San Francisquito Poerhouse No. 1, Green Valley 7.5' USGS quadrangle - Lower Clearwater Canyon, Liebre Mountains 707 Comment
  CAS-BOT-BC170458  Rhus integrifolia Alice Eastwood 1906-5-27 7 Los Angeles Garvanza Comment
  SBBG31255  Rhus integrifolia R. F. Thorne with P. C. Everett 1965-6-22 34917 Los Angeles S of Avalon Golf Course 91 Comment
  UCR217438  Rhus integrifolia R. G. Swinney 2009-2-26 10038 Los Angeles San Gabriel Mtns., Monrovia Canyon Wilderness Park from park entrance to Monrovia Canyon Falls 534 Comment
  CHSC3674  Rhus ovata Mary MacArthur 1966-5-26 35 Los Angeles Switzer's camp- Saw Gab Mts. Comment
  RSA0083301  Rhus ovata R. G. Swinney 2010-5-25 12961 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  SD53021  Rhus ovata Peter H. Raven 1962-5-2 17803 Los Angeles Upper Bullrush Canyon, Santa Catalina Island 289 Comment
  CDA35351  Rhus ovata A. C. Browne 1953-3-15 Los Angeles Santa Monica Mountains 0 Comment
  SEINET5319881  Rhus ovata Larry E. Brown 1967-12-23 Los Angeles Along roadside of SR 2, at 3,000 ft. elevation in the San Gabriel Mountains above Los Angeles 914 Comment
  HSC101380  Rhynchelytrum repens R. G. Swinney 2008-12-2 9924 Los Angeles San Gabriel Mtns.; Azusa, mouth of San Gabriel Canyon, 0.8 mi. north of Foothill Blvd. 195 Comment
  RSA0089428  Ribes californicum var. californicum R. G. Swinney 2011-3-17 14114 Los Angeles Glendora, north of Mull Canyon debris basin 366 Comment
  CAS-BOT-BC93067  Ribes californicum var. hesperium Wesley O. Griesel 1962-1-14 s.n. Los Angeles Millard Canyon, San Gabriel Mountains. 457 Comment
  CAS-BOT-BC93082  Ribes californicum var. hesperium Le Roy Abrams 1902-3-11 3119 Los Angeles Sepulvada Canyon, Santa Monica Mountains. Comment
  SBBG119308  Ribes californicum var. hesperium V. Soza, K. Hughes 1999-6-17 568 Los Angeles upper Winter Crk Trail; T1N R11W NW/4, NW/4 S3 792 Comment
  SBBG119321  Ribes californicum var. hesperium V. Soza with L. Gross 2001-4-24 1171 Los Angeles Santa Anita Cyn, W side of Santa Anita Cyn Rd across from the Santa Anita Dam; T1N R11W S10, NE/4, SW/4 549 Comment
  CAS-BOT-BC108882  Ribes divaricatum var. parishii A. J. McClatchie 1893-4-1 s.n. Los Angeles Near Pasadena. Comment
  LA200841  Ribes indecorum A. M. Johnson; 1934-4-20 4440 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  POM219660  Ribes indecorum F. R. Fosberg 1932-6-18 8541 Los Angeles Hogback, San Antonio Canyon 1300 Comment
  RSA476173  Ribes indecorum Louis C. Wheeler 1932-2-28 450 Los Angeles Thompson Creek dam near Claremont. 502 Comment
  SEINET3095430 Image available Ribes malvaceum Dick Swinney 1990-1-6 1507 Los Angeles San Gabriel Mountains, 70 yards W of Glendora Mountain Road, just N of Glendora Ridge Motorway on an old dirt road. Comment
  RSA0091480  Ribes malvaceum var. viridifolium R. G. Swinney 2011-3-22 14191 Los Angeles mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 509 Comment
  SEINET4050455  Ribes malvaceum var. viridifolium R. Gustafson 1977-1 sn Los Angeles Tapia Park, Malibu Canyon, Santa Monica Mts. Comment
  SBBG72064  Ribes nevadense Anstruther Davidson -Jul-1893 Los Angeles Wilson's Peak Comment
  UCSB31753  Ribes nevadense Risk, Paul 1963-5-21 Los Angeles Buckhorn Camp; San Gabriel Mountains 1828 Comment
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Jan 15 2015
  SEINET13942763 Image available Ribes roezlii A. D. E. Elmer 2015-1 3604 Los Angeles Acton. Comment
  CAS-BOT-BC168668  Ribes speciosum Alice Eastwood 1919-7-4 9290 Los Angeles Santa Monica Canyon Comment
  RSA476298  Ribes speciosum H. L. Bauer 1931-3-1 13967 Los Angeles Tunas Canyon near Topanga Canyon. Comment
  SEINET11177065  Ribes speciosum M. Licher 2011-2-21 3021 Los Angeles Deervale-Stone Canyon Park, Santa Monica Mountains, 1 mi. east of 405, & north of Mulholland Dr. 320 Comment
  SEINET3151848  Ribes viburnifolium G. B. Grant, W. Wheeler 1904-4-21 1130 -5053 Los Angeles collected on Santa Catalina Island, Pacific Ocean, off southern CA Comment
  UCR262469  Rorippa nasturtium-aquaticum Esther Chuang 2013-4-7 37 Los Angeles Walnut, 250 m north of intersection of Grand Ave. and Snow Creek Dr. 197 Comment
  CAS-BOT-BC147485  Rosa californica Le Roy Abrams 1911-4-11 1481 Los Angeles Santa Monica Mts., Santa Monica [Canon] Canyon Comment
  POM11792  Rosa woodsii subsp. gratissima I. M. Johnston 1917-8-23 1704 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  CAS-BOT-BC146961  Rosa woodsii var. gratissima Robert F. Thorne 1969-7-2 38297 Los Angeles San Gabriel Mts., Angeles National Forest: margin of Chilao Creek, Upper Chilao Campground 1615 Comment
  LA208206  Rosa woodsii var. gratissima Dan P. Muellally; June 1950 Los Angeles Antelope Valley, On Little Rock Creek in Montana Forest 1981 Comment
  RSA660142  Rubus leucodermis Orlando Mistretta 1992-7-9 669 Los Angeles Transverse Ranges; San Gabriel Mountains region: Colby Creek Canyon Trail. Tujunga Ranger District. Comment
  CHSC8060  Rubus ursinus Edward L. Smith 1957-3-21 204 Los Angeles San Gabriel Mts. At Blanchard Paris, Pomona College, Claremont. 381 Comment
  RSA133760  Rubus ursinus Peter H. Raven 1959-3-15 13849 Los Angeles Just east of Zuma Beach, Point Dume. 21 Comment
  RSA598927  Rubus ursinus Scott D. White 1997-3-12 4747 Los Angeles Zuma Beach; mouth of Zuma Creek, E end of the County Beach. 8 Comment
  UC12998  Rubus ursinus J. H. Barber 1897-3-16 66 Los Angeles Santa Monica Exp't Station Comment
  PASA1200  Rubus vitifolius Sally Ellis 1940-4-16 Los Angeles Evy's canyon, Claremont Comment
  RSA12108  Rubus vitifolius Fay A. MacFadden 1933-4-10 10753 Los Angeles Verdugo Mountains: Tujunga Wash below Hanson Heights. Comment
  UCR210491  Rumex R. G. Swinney 2008-11-30 9860 Los Angeles San Gabriel Mtns., Azusa, San Gabriel River Channel, 1.2 mi. north of Foothill Blvd. at mouth of Fish Canyon 204 Comment
  SBBG113255  Rumex conglomeratus S. A. Junak with M. L. Hoefs, M. Gay, J. Chapman 1997-6-5 SCa 428 Los Angeles Deer Valley Reservoir (Summit Reservoir) ca. 1.5 mi E of isthmus on S side of main rd 155 Comment
  UCR143199  Rumex conglomeratus F. R. Fosberg 1931-7-10 S- 5369 Los Angeles Channel Islands, Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island 180 Comment
  UCD170320  Rumex hymenosepalus R. G. Swinney 2010-3-11 11868 Los Angeles San Gabriel Mountains/Verdugo Mountains, flood plain surrounding Haines Canyon wash, from the I-210 Fwy. in the east, where it crosses wash, to 0.5 mi. west at junction with Big Tujunga Wash. 348 Comment
  SBBG29119  Rumex salicifolius L. C. Wheeler 1932-6-17 831 Los Angeles 1 mi W of Claremont 365 Comment
  RSA466078  Rumex salicifolius var. salicifolius Frances Runyan 1971-7-14 s.n. Los Angeles Moist draw, 3 1/2 miles west of Acton, Agua Dulce Canyon Road, Agua Dulce. 701 Comment
  UCR256596  Rumex stenophyllus Anuja Parikh, Nathan Gale 2010-5-21 3393 Los Angeles San Gabriel River, just west of Hwy I-605, 0.7 km north of Lower Azusa Road/Los Angeles St 109 Comment
  RSA65923  Rumex violascens F. W. Peirson 1918-6-15 4217 Los Angeles Lake near Palmdale, W Mojave Desert. Comment
  POM2576  Rupertia physodes O. W. Robinson 1916-5-7 s.n Los Angeles Johnson's Pastures, near Claremont. Comment
  UC1714587  Ruppia cirrhosa Fred Henkel 1919-8-1 Los Angeles Venice Comment
  RSA477729  Sagina decumbens subsp. occidentalis J. T. Howell 1934-3-3 2386 Los Angeles Puddingstone Dam, San Jose Hills. Comment
  RSA640932  Sagina saginoides L. C. Wheeler 1967-8-9 10420 Los Angeles San Gabriel Mts., Angeles National Forest: headwaters of Devil's Canyon on S side Mt. Waterman. 2133 Comment
  POM145744  Salazaria mexicana Thomas Craig 1927-6-19 474 Los Angeles Near Little Rock Dam, Mojave desert Slope of San Gabriel Mtns. Comment
  RSA478862  Salicornia maritima F. R. Fosberg 1930-6-30 S 3062 Los Angeles Del Rey. 2 Comment
  RSA187744  Salicornia virginica R. F. Thorne 1966-4-5 35878 Los Angeles Santa Catalina Island. Salina behind Little Harbor beach. 3 Comment
  CAS-BOT-BC103152  Salix bonplandiana Le Roy Abrams 1901-4-11 1467 Los Angeles Ballona River near Mesmer Comment
  RSA587451  Salix exigua Orlando Mistretta 1995-4-5 1590 Los Angeles Drainage W of Little Rock Creek Reservoir. 1006 Comment
  RSA746537  Salix exigua A. C. Sanders, T. B. Salvato 2009-5-20 36850 Los Angeles San Gabriel Valley: Rio Hondo at Rancho Lujan, between Montebello and South El Monte, E side of San Gabriel Blvd., SE of Darlington St. intersection. 61 Comment
  LA208675  Salix laevigata Carl W. Sharsmith; 1931-10-26 2 Los Angeles Santa Clara River Valley, 1.5 km N of Castaic 315.0 Comment
  RSA586819  Salix laevigata Orlando Mistretta, Steve D. Boyd 1994-6-21 1387 Los Angeles Santiago Canyon, drainage northwest of Pacifico Mountain. 1585 Comment
  UC846598  Salix laevigata I. W. Clokey and B. C. Templeton 1930-4-8 4645 Los Angeles San Francisquito Canyon 800 Comment
  UCR259362  Salix laevigata R. G. Swinney 2010-4-20 12288 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  LA208835  Salix lasiandra John O'Leary; 1975-5-14 366 Los Angeles at base of Tehachapi Mountains, about 1.4 mi SE of Gorman 1127 Comment
  RSA0103928  Salix lasiolepis R. G. Swinney 2011-6-23 15318 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
  UC492439  Salix lasiolepis F. R. Fosberg 1931-1-26 7179 Los Angeles Topanga Canyon Santa Monica Mts., Topanga Canyon 225 Comment
  RSA0048520  Salix lasiolepis P. R. Brown 1970-4-9 30 Los Angeles Woodland Hills Nature Center, Canon de Lana. Comment
  SEINET12003299  Salix lasiolepis C. W. Sharsmith 1931-1 3 Los Angeles Santa Monica Mts. near mouth of Topanga Canyon 15 Comment
  CAS-BOT-BC128481  Salix lasiolepis var. lasiolepis F. R. Fosberg 1932-1-26 7177 Los Angeles On flood plain of Los Angeles River, at foot of Cahuenga Pass grade. 180 Comment
  CAS-BOT-BC126290  Salix sessilifolia Rev. J. C. Nevin 1904-1-1 s.n. Los Angeles Burbank Comment
  UCR270453  Saltugilia australis R. G. Swinney 2011-5-12 14661 Los Angeles San Gabriel Mountains, east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  RSA600413  Saltugilia splendens Steve Boyd, Lauren Raz 1997-4-30 9634 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine. 866 Comment
  RSA547460  Saltugilia splendens subsp. grantii T. S. Ross, Orlando Mistretta 1992-7-24 6751 Los Angeles E side of Strawberry Peak near divide between Colby and Wickiup Canyons; 120 deg. SE, 1065 m distant from Strawberry Peak summit. 1561 Comment
  RSA424326  Salvia apiana William Emboden 1970-6-12 6 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  RSA488005  Salvia apiana Mark Hoefs, D. Propst 1973-3-14 106 Los Angeles Santa Catalina Island: Upper Cape Canyon. 274 Comment
  RSA647933  Salvia apiana Michelle Manolovitz, Brian Willie 1992-4-27 1 Los Angeles Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 300 feet northwest of park office. Comment
  UC634911  Salvia carduacea H. L. Mason 1926-4-26 3011 Los Angeles Little Rock; Mojave Desert Comment
  SD69510  Salvia columbariae Robert Thorne 1966-4-5 35852 Los Angeles Santa Catalina Island, slope above stream in Cottonwood Canyon 106 Comment
  UCR256137  Salvia columbariae R. G. Swinney 2010-4-20 12314 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  UCR277226  Salvia columbariae R. G. Swinney 2011-4-19 14399 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
  RSA0051682  Salvia columbariae S. Karlin 1960-05 s.n. Los Angeles Santa Monica Mountains. Comment
  RSA508643  Salvia dorrii var. pilosa Barry Burnell 1970-4-24 190 Los Angeles 3.2 miles south of Highway 138 on N4 1372 Comment
  CAS-BOT-BC233660  Salvia leucophylla Tim Ross 1992-6-15 6571 Los Angeles S-draining tributary of Turnbull Canyon, Whittier Hills (local name for the western extremity of the Puente Hills) 237 Comment
  RSA434116  Salvia mellifera Bonnie C. Templeton 1931-5-1 s.n. Los Angeles Mandeville Canyon 300 Comment
  SD38733  Salvia mellifera Lillian Howard 1931-5-4 Los Angeles Malibu Lake Comment
  UC1922276  Salvia mellifera Valerie Soza, Miriam Sidibeh 2003-3-26 1601 Los Angeles Transverse Ranges; Verdugo Mountains region; North side of La Tuna Canyon, Haines Canyon Park vicinity, southwest of Dorothy and Estepa Dr. intersection. 549 Comment
  UC625155  Salvia mellifera F. R. Fosberg 1931-3-18 S 4291 Los Angeles Hamilton Canyon Hamilton Canyon, Santa Catalina Island; Santa Catalina Island 10 Comment
  RSA82403  Salvia mellifera F. W. Peirson 1920-4-18 181 Los Angeles New York St., La Canada. 610 Comment
  POM199697  Sambucus mexicana I. W. Clokey, B. Templeton 1929-05 4558 Los Angeles Mandeville Canyon, Santa Monica Mountains. 200 Comment
  RSA230388  Sambucus mexicana R. F. Thorne, M. Z. Thorne 1969-7-10 38386 Los Angeles San Gabriel Mountains: Angeles National Forest. Along Angeles Crest Highway, Near Lodgepole Picnic Ground. 2317 Comment
  RSA477542  Sambucus mexicana House, Grumbles 1930-8-13 s.n. Los Angeles San Clemente Island. Comment
  RSA584846  Sambucus mexicana T. S. Ross 1993-6-1 7362 a Los Angeles W marvin of Chantry Flat near beginning of upper Winter Creek Trail. 707 Comment
  RSA648205  Sambucus mexicana Dan Milojevich 1981-5-17 43 Los Angeles Santa Anita Ave. & Valley Blvd. Comment
  RSA654428  Sambucus mexicana Brian McColgan 1988-5-10 10 Los Angeles Evey Cyn., 1 mile N of Padua on Mt. Baldy Rd 915 Comment
  UCR187220  Sambucus mexicana A. C. Sanders 2006-5-16 32338 Los Angeles Tehachapi Mtns. Foothills, along the road to the National Cement Plant, c. 1/4 mile north of Hwy 138, south the California Aqueduct 1012 Comment
  UCR223218  Sambucus mexicana R. G. Swinney 2009-5-20 10816 Los Angeles Transverse Range; San Gabriel Mtns., Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  UCR270895  Sambucus nigra subsp. caerulea R. G. Swinney 2011-5-26 14873 Los Angeles San Gabriel Mountains, 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1073 Comment
  SD251642  Sambucus nigra subsp. caerulea F. R. Fosberg 1931-3-18 S 4289 Los Angeles Santa Catalina Island; Hamilton Canyon. 10 Comment
  LA94858  Sanicula arguta K. Larson; J. Neel 1950-4-2 26 Los Angeles Santa Monica Mountains, Mulholland Dr, 0.75 mi W of Beverly Glen Bl Comment
  SDSU2337  Sanicula arguta R. M. Beauchamp 1967-1-28 141 Los Angeles Growing on knoll west of Lemon Tank. San Clemente Island. Comment
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Oct 13 2011
  UC21334  Sanicula bipinnata A. J. McClatchie 1893-3-30 1 Los Angeles near Pasadena Comment
  LA32973  Sanicula crassicaulis Carl Epling; March 1925 6524 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  POM155762  Sanicula crassicaulis M. L. Bryan 1928-4-20 89 Los Angeles Mandeville Canyon, near Santa Monica. Comment
  RSA592771  Sanicula tuberosa Steve Boyd, Michael Wall 1996-4-4 8542 Los Angeles Liebre Mountains, ridgeline and adjacent slopes of side canyon to Charlie Canyon, west of San Francisquito Canyon off Angeles National Forest Road 5N17;, ca 0.4 road miles south of jtn with 5N30, south of Red Mountain. Near 34 deg 33.120'N, 118 deg 31.541'W. T5N R16W sec. 2. 701 Comment
  CLARK-A1528-3054  Sarcodes sanguinea John C. Roos 1966-6-15 Los Angeles San Gabriel Mountains 2377 Comment
  RSA70576  Sarcodes sanguinea F. W. Peirson 1923-5-26 3444 Los Angeles Vincent Gulch. 1982 Comment
  UCR23573  Sarcodes sanguinea John C. Roos 1966-6-15 s.n. Los Angeles San Gabriel Mountains, North slope of Mt. Baden-Powell near Lamel Spring 2378 Comment
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Aug 18 2012
  RSA255806  Sarcodes sanguinea Gary D. Wallace 1969-6-23 822 Los Angeles along angeles Crest Hwy. (st. Hwy 2) 1-2 mi. E of Ridgecrest, 200 yds. W of a picnic ground, Comment
  RSA726056  Schedonorus arundinaceus R. G. Swinney 1997-6-25 5637 Los Angeles San Gabriel Mtns.: west of Wrightwood, Mountain High Ski Resort runway, ca. 2 miles east of Hwy 2 on FS road 3N06, Guffy Rd. 2366 Comment
  RSA527715  Schinus molle T. S. Ross, Annette Ross 1991-3-7 4133 Los Angeles Elephant Hill: western Pomona. 238 Comment
  UCR46050  Schinus terebinthifolius G. F. Pratt 1986-7-15 s.n. Los Angeles El Segundo Dunes Comment
  RSA598099  Schismus barbatus Steve Boyd, Lauren Raz 1997-3-4 9147 Los Angeles Liebre Mountains region, southern base of the Sierra Pelona Ridge, Crown Valley just northwest of Governor Mine, ca 0.8 mi north of Sierra Highway along Crown Valley Road. 987 Comment
  UCR179200  Schismus barbatus L. C. Wheeler 1973-4-8 s.n. Los Angeles San Gabriel Mountains, Little Tujunga Canyon 427 Comment
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Jul 5 2010
  UCR255791  Schismus barbatus R. G. Swinney 2010-3-10 11822 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  RSA366001  Schoenoplectus californicus Louis Greata 1901-9-2 s.n. Los Angeles Ballona. Comment
  RSA366072  Schoenoplectus maritimus Wm Martin 1971-8-25 s.n. Los Angeles Point Dume Comment
  UC306158  Scirpus maritimus S. B. Parish 1918-6-5 11862 Los Angeles Playa del Rey Playa del Rey (Southern California) Comment
  RSA594932  Scirpus microcarpus Steve Boyd, Lauren Raz 1996-10-8 8998 Los Angeles Liebre Mountains region, Bouquet Canyon ca. 1.7 miles south of junction with Forest Service Road 6N08. 561 Comment
  IRVC26287  Scrophularia californica Mark A. Elvin, Cathleen Weigand 2003-5-22 2900 Los Angeles crest of mountains at head of Salt Canyon, Newhall Ranch Santa Susana Mtns. 915 Comment
  RSA0036212  Scrophularia californica Serena Light 1966-5-31 s.n. Los Angeles San Rafael Hills Comment
  UCD125690  Scutellaria Tom Yutani 1995-8-10 s.n. Los Angeles La Mirada. Comment
  SD255778  Scutellaria mexicana Ian Cain 2010-5-9 1399 Los Angeles East south east of Llano. Just north of the corner of Highway 138 and 185th street east. 1003 Comment
  LA52366  Scutellaria tuberosa Ernest Braunton; 1902-4-13 198 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA718275  Scutellaria tuberosa R. G. Swinney 1998-4-13 5963 Los Angeles Claremont Hills Wilderness Park. 622 Comment
  UCD125757  Scutellaria tuberosa Gerald Dickinson 1962-4-4 10 Los Angeles 1 mi. west of Topanga Canyon Road on Mulholland Rd, Santa Monica Mts. 356 Comment
  RSA445377  Scutellaria tuberosa Richard C. Barkelew 1929-4-23 s.n. Los Angeles Malibu Mountains. Comment
  RSA755818  Selaginella asprella R. G. Swinney 2008-9-12 9447 Los Angeles Kratka Ridge, 0.3 mi. east of Cedar Springs, just south of Conservation Camp 37 2088 Comment
  RSA5995  Selaginella bigelovii Carl B. Wolf 1932-10-6 4246 Los Angeles Santa Catalina Island: west side of Avalon. 91 Comment
  UCR200152  Selaginella bigelovii Valerie Soza, Shalini Deo, Stephen Dreher 2000-4-27 812 Los Angeles Verdugo Mountains, south side, Wildwood Canyon, Wildwood Canyon Park, at end of paved Wildwood Canyon Road at junction with fire road 595 Comment
  UCR270914  Selaginella bigelovii R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14347 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
  RSA127807  Senecio flaccidus var. douglasii P. H. Raven, Henry J. Thompson 1949-9-27 14546 Los Angeles Mulholland Highway just east of Decker Road 549 Comment
  UC1584046  Senecio flaccidus var. douglasii Tim Ross, Orlando Mistretta, and Peter Fritsch 1990-7-10 4020 Los Angeles ne of Tie Summit Station (and e of Angeles Forest Hwy, Tujunga Ranger District); San Gabriel Mountains, Angeles National Forest Comment
  RSA233604  Senecio lyonii R. F. Thorne 1970-3-6 39388 Los Angeles Santa Catalina Island. Above Cotton Canyon Beach. 8 Comment
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Dec 8 2014
  RSA473043  Senecio lyonii F. H. Elmore 1939-2-18 404 Los Angeles San Clemente Island. Comment
  UCR142899  Senecio lyonii F. H. Elmore 1939-11-24 s.n. Los Angeles Channel Islands, San Clemente Island, Northwest Harbor 30 Comment
  UCR61054  Senecio mikanioides R. G. Swinney 1989-4-25 s.n. Los Angeles San Gabriel Mtns, in and near Glendora Wilderness Park, Big Dalton Canyon 442 Comment
  UCR214631  Senecio vulgaris A. C. Sanders, Dan S. Cooper 2010-3-12 37365 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA702937  Sequoiadendron giganteum Scott D. White 2004-8-11 10719 Los Angeles About 8 air miles west - northwest of Wrightwood. East of Fenner Saddle Rd. on Pacific Crest Trail. 2073 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
  UCR210524  Setaria parviflora R. G. Swinney 2008-11-29 9847 Los Angeles San Gabriel Mtns., mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  RSA187736  Silene antirrhina R. F. Thorne 1966-4-7 35941 Los Angeles Cherry Valley, Santa Catalina Island. 61 Comment
  PASA1297  Silene gallica A. Carter 1928-12-29 Los Angeles Base of Sierra Madre Mts. Comment
  RSA177849  Silene gallica Percy C. Everett 1965-5-12 24637 Los Angeles Santa Catalina Island, Bulrush Canyon. 244 Comment
  SBBG37763  Silene gallica R. Moran 1941-3-16 705 Los Angeles Middle ranch, houses 200 Comment
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Mar 26 2009
  UCR71327  Silene gallica Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4436 Los Angeles Channel Islands, San Clemente Island: east side of island, Bryce Canyon near Malo Point Comment
  RSA608504  Silene gallica L. C. Wheeler 1930-5-31 46 Los Angeles Santa Monica Mountains: Mandeville Canyon. Comment
  SEINET4076467  Silene gallica M. B. Dunkle 1939-1 7305 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  SFV1223  Silene gallica M. L. Vincent 1963-4-25 319 Los Angeles Santa Monica Mountains Mulholland Highway, 0.25 miles east of Cornell Road. Comment
  SD215461  Silene verecunda Timothy S. Ross, Steve Boyd and Peter W. Fritsch 1990-6-11 3357 Los Angeles Big Rock Creek Canyon, ca. 120 m NNW of Icy Springs around a stone building that has been gutted by fire. 1730 Comment
  RSA596420  Silene verecunda subsp. platyota Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3357 Los Angeles Big Rock Creek Canyon: ca 120 m NNW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin). 1732 Comment
  RSA0088580  Sisymbrium altissimum R. G. Swinney 2010-5-11 12685 Los Angeles East of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd. 872 Comment
  UCR256207  Sisymbrium altissimum R. G. Swinney 2010-5-19 12844 A Los Angeles San Gabriel Mountains, horseshoe bend in Pacific Telephone Access Rd., 0.3 air miles NNE of Oracle Hill Summit, 2.1 air miles due east of Angeles Forest Hwy, 0.8 air miles due west of Mt. Emma Rd. 1207 Comment
  UC501493  Sisymbrium altissimum Joseph Andorfer Ewan 1932-5-29 7189 Los Angeles Arrastre Canyon, at end of Auto Road Arrastre Canyon; San Gabriel Mountains, , Auto Road 1036 Comment
  LA201838  Sisymbrium irio Arthur C. Gibson; 2003-5-24 4930 Los Angeles Simi Hills, West Hills Comment
  RSA167813  Sisymbrium orientale R. F. Thorne, P. C. Everett 1964-2-7 33462 Los Angeles Weed at lower end of Pebbly Beach Canyon at base of building, E end of Santa Catalina Island. 76 Comment
  SFV1519  Sisymbrium orientale K. A. Wilson 1961-3-12 999 Los Angeles Zuma Beach. On sand above tide line. 3 Comment
  UCR189690  Sisymbrium orientale R. G. Swinney 1998-7-30 6577 Los Angeles San Gabriel Mtns., tributary of Cow Canyon at Fallen Leaf Spring, c. 2.4 mi. SW of Cow Cyn. Saddle on Glendora Ridge Rd. 1338 Comment
  UCR271796  Sisymbrium orientale R. G. Swinney 2010-3-24 12043 Los Angeles San Gabriel Mountains, Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA79237  Sisyrinchium bellum G. R. Campbell 1952-6-28 17288 Los Angeles South slope Mt. (''Baldy'') San Antonio 2499 Comment
  SEINET3876438  Sisyrinchium bellum Hannah Stevens, Daphne K. Christopher 2003-4-4 272 Los Angeles Santa Monica Mountains. Stunt Ranch Santa Monica Mountains Reserve. About 4.5 miles N of the city of Malibu.; 0 340 Comment
  UC845026  Sisyrinchium bellum Ira W. Clokey, B. Templeton May 1929 4542 Los Angeles Mandeville Canyon; Santa Monica Mountains 500 Comment
  POM1768  Sisyrinchium bellum Bee Dee Abbott s.n. Los Angeles Live Oak Canyon 610 Comment
  OBI69298  Solanum douglasii John Knapp, Denise Knapp 2003-5-10 49 Los Angeles Catalina Island 472 Comment
  RSA748839  Solanum douglasii Justin M. Wood 2009-4-13 496 Los Angeles Foothills above the city of Sierra Madre, 'one carter estates' at the end of Baldwin Ave. 49 Comment
  SBBG80455  Solanum douglasii F. C. Boutin 1967-4-24 1708 Los Angeles Wilson's (Wilson) Cove Comment
  SD114439  Solanum douglasii Darley F. Howe 1915-4-1 50 Los Angeles Claremont Comment
  RSA0040462  Solanum umbelliferum R. G. Swinney 2010-5-11 12647 Los Angeles Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary. 829 Comment
  UC26252  Solanum umbelliferum Samuel B. Parish 1887-6-1 1888 Los Angeles near Elizabeth Lake (Antelope Valley); Antelope Valley Comment
  UC76173  Solanum umbelliferum E. D. Palmer May 1904 Los Angeles Claremont Comment
  RSA427404  Solanum umbelliferum N. C. Cooper 1945-5-1 2201 Los Angeles Tapia Park area, Santa Monica Mountains. 610 Comment
  RSA517112  Solanum umbelliferum Tim S. Ross, Steve D. Boyd 1990-5-14 2467 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1049 Comment
  RSA578807  Solanum umbelliferum Tim S. Ross, Darin Banks 1994-4-13 7552 Los Angeles Lower Clearwater Canyon: canyon bottom near stream, at margin of chaparral; ca 1545 m ESE of Plum Spring and ca 770 m W of San Francisquito Powerhouse No. 1. 669 Comment
  CAS-BOT-BC237750  Solanum wallacei R. Moran 1941-3-8 687 Los Angeles Near Mill, White's Landing, Santa Catalina Island Comment
  UC1929609  Solanum wallacei Mark Elvin, Sarah Crockett 1997-3-17 377 Los Angeles Channel Island; Santa Catalina Island: Alone Cape Canyon Ridge. On E side at cliff. Where creek comes up to Road. Comment
  NY820429  Solanum xanti T. S. Ross 1993-5-23 7280 Los Angeles NW Los Angeles Co.; Liebre Mountains. Upper Clearwater Canyon: ca. 190-230 m. W of Plum Spring 789 Comment
  LA212213  Solanum xanti Vincent Arellano; 1980-6-2 s.n. Los Angeles Placerita Canyon, West facing slope 1/2 mile up creek. 487 Comment
  RSA0022990  Solidago californica Duncan S. Bell, Caitlin Elam 2013-8-1 5562 Los Angeles Sheep Mountain Wilderness; south side of Prairie Fork; Pine Mountain Ridge; Columbine Spring. 2174 Comment
  UC217937  Solidago confinis P. A. Munz 1922-9-14 6416 Los Angeles San Antonio Canyon , San Antonio Canyon (Spring Hill) Comment
  RSA604143  Soliva sessilis L. C. Wheeler 1957-3-22 7247 Los Angeles Los Angeles: NE of old wing of Los Angeles County Museum, Exposition Park. Comment
  RSA0021712  Sonchus asper Duncan S. Bell, Caitlin Elam 2013-6-24 5262 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, below Airplane Flat, behind the Bridge To Nowhere. 870 Comment
  UCR197121  Sonchus asper subsp. asper LeRoy Gross 2007-3-13 2600 Los Angeles Transverse Ranges; Verdugo Mountains, southern side of the range. Stough Canyon, northwest of the the nature center along canyon bottom at juction of a spring and creek flowing from the northeast 496 Comment
  SEINET10615452  Sonchus asper subsp. asper David B. Dunn 1941-2-22 Dunn 684 Los Angeles UCLA campus along Westwood Blvd. Comment
  RSA0036768  Sonchus oleraceus Toad 1981-3-3 0013 -81 Los Angeles 130 W. Grondahl, Covina. On NW corner of property. Comment
  RSA0069885  Sonchus oleraceus R. G. Swinney 2010-2-27 11751 Los Angeles Sunland, SE end of Hansen Dam Basin, Haines Canyon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain 348 Comment
  UC729562  Sonchus oleraceus Carl B. Wolf 1932-5-9 3422 Los Angeles near Bathhouse (Avalon, Santa Cataline Island); Santa Catalina Island, Avalon Comment
  RSA529290  Sonchus oleraceus Timothy S. Ross 1991-4-8 4463 Los Angeles Elephant Hill: Western Pomona. 229 Comment
  SFV18419  Sonchus oleraceus C. Ferguson 1974-5-13 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area. Botany trail. Comment
  UCR108666  Sorghum bicolor L. C. Wheeler 1942-11-30 5678 Los Angeles San Gabriel Valley, near Kellogg Ranch, Arroyo Avnue, c. 3 mi west of Pomona 305 Comment
  RSA604492  Sorghum halepense L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Big Rock Creek, Old Point Comfort. Comment
  UCR178947  Sorghum halepense R. G. Swinney 1989-7-13 s.n. Los Angeles San Gabriel Mtns., Glendora, 70 yds. west of Country Club Rd. on Valiant St., NE of Glendora High School 305 Comment
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Apr 11 2014
  RSA383718  Sparganium erectum Anstruther Davidson s.n. Los Angeles Glendale. Comment
  SEINET10602942  Spartina foliosa LeRoy R. Abrams 1904-9-6 Abrams s.n. Los Angeles Margens of the bay, San pedro Comment
  SBBG106905  Spartium junceum M. L. Hoefs, R. F. Thorne 1995-7-26 2457 Los Angeles Middle Cyn, by house at Squaw Valley 178 Comment
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Jun 10 2014
  UC465709  Spergula arvensis subsp. arvensis D. L. Crawford 1916-3-28 996 Los Angeles low hills near city - Santa Monica Mts. Santa Monica Mts. Comment
  RSA0097895  Spergularia bocconi Anstruther Davidson 1891-6-25 s.n. Los Angeles Santa Catalina Island. The Isthmus. Comment
  RSA0098398  Spergularia macrotheca var. macrotheca Mark Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2378 Los Angeles Santa Catalina Island. Parson's Landing. 3 Comment
  SFV16236  Spergularia macrotheca var. macrotheca J. D. Dilley 1996-4-13 62 Los Angeles California Channel Islands Santa Catalina Island. Wrigley Marine Research Center, near Twin Harbors. Comment
  RSA0098534  Spergularia marina Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 516 Los Angeles San Clemente Island, above Nots Pier on road near the top of the eastern escarpment, 1400 ft NNW of the 553 ft BM. 139 Comment
  RSA0098585  Spergularia villosa Sara L. Crockett 1997-2-4 646 Los Angeles 0.85 mile W along Empire Landing Road from jct. with Airport road, S side of road. 482 Comment
  RSA0000008  Sphacele cordifolia C. F. Baker 1904-6-14 5061 Los Angeles Hills near Claremont. Comment
  UC57022  Stachys ajugoides var. rigida Ernest Braunton July 1902 544 Los Angeles Griffith Park Comment
  SEINET11191803  Stachys albens Unknown 2011-11-3 15982 Los Angeles San Gabriel Mountains Comment
  SEINET11196336  Stachys albens Duncan Bell, Elam, Caitlin 2013-6-24 5285 Los Angeles San Gabriel Mountains Comment
  SD124147  Stachys rigida var. quercetorum Richard S. Hood 1970-4-16 300 Los Angeles Pasadena; Arroyo Seco Park on fire road Ao mi. So. Of Pasadena Fwy. Opposite Ave. 57 182 Comment
  LA52369  Stachys rigida var. rigida Carl Epling; May 1927 Los Angeles Santa Monica Mountains, Universal City, hills in rear [S] of 213 Comment
  RSA452245  Stanleya pinnata P. A. Munz 1931-8-22 s.n. Los Angeles San Franscito Canyon Comment
  SD52858  Stebbinsoseris heterocarpa Peter H. Raven 1962-4-9 17144 Los Angeles San Clemente Island; near barracks, Wilson Cove. 60 Comment
  SD90581  Stebbinsoseris heterocarpa Robert F. Thorne 1966-4-17 36092 Los Angeles San Clemente Island; grassland near reservoirs between Boulder and Horton; northeast side of island. 490 Comment
  RSA0085606  Stellaria media R. G. Swinney 2010-8-26 13589 Los Angeles North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 720 Comment
  UCR126593  Stellaria media A. C. Sanders 2003-4-17 26072 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1 km south of Magic Mountain amusement park and north of the powerlines 442 Comment
  SFV12396  Stellaria nitens D. L. Koutnik 1978-5-2 454 Los Angeles Simi Hills. Bell Canyon. 427 Comment
  UCD86396  Stenotaphrum secundatum Peter H. Raven 1957-10-10 11403 Los Angeles West Los Angeles, University of California campus. Comment
  RSA155877  Stephanomeria blairii P. H. Raven 1962-4-12 17310 Los Angeles San Clemente Island: Wilson Cove 91 Comment
  UC284244  Stephanomeria exigua subsp. coronaria P. A. Munz 1923-8-31 7671 Los Angeles ridge s Swartout Valley; San Gabriel Mts. 2575 Comment
  UC62958  Stephanomeria exigua subsp. coronaria Geo. R. Hall Sept 1904 Los Angeles Swartout Canyon San Antonio Mts. 2133 Comment
  RSA670035  Stephanomeria virgata Joseph M. Keefe 2001-1-19 30908 Los Angeles Intersection of Upperton Avenue, Buena Vista Terrace and Nolden Strreet; pass in ridge between Eagle Rock Valley and York Valley (Highland Park); Los Angeles, California 90042. 256 Comment
  UCR126599  Stephanomeria virgata A. C. Sanders, Mark Elvin 2003-8-7 27153 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
  UCR258570  Stephanomeria virgata R. G. Swinney 2010-6-23 13310 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin 341 Comment
  UCR199966  Stipa lepida Valerie Soza, LeRoy Gross 2001-5-9 1192 Los Angeles Transverse Ranges: Verdugo Mountains, Southern San Rafael Hills, south of mouth of Scholl Canyon, west end of Valle Vista fire road, ridgetop north of Hwy 134 274 Comment
  UCR200120  Stylocline gnaphaloides Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 785 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
  SBBG112928  Suaeda calceoliformis S. A. Junak 1998-10-22 SCa 823 Los Angeles Cherry Cove, at mouth of cyn 3 Comment
  SDSU5599  Suaeda californica var. pubescens R. M. Beauchamp 1967-3-18 283 Los Angeles Along road west of Fleet Composite Scd. 3 hanger and field. San Clemente Island. Comment
  JEPS87548  Symphoricarpos albus var. laevigatus Tim Ross and Walter Appleby 1993-5-20 7196 a Los Angeles between Wilson Canyon Saddle and Los Pinetos Spring (head of Los Pinetos Canyon, w San Gabriel Mtns); San Gabriel Mtns. Los Pinetos Canyon, San Fernando U.S.G.S.; [mature flrg stems] 914 Comment
  LA94340  Symphoricarpos mollis A. M. Johnson; 1934-4-20 4429 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  SFV3607  Symphoricarpos mollis A. M. Johnson 1932-5-30 4112 Los Angeles Santa Monica Mountains Brent's Mountain Crag's Camp. Comment
  RSA587509  Syntrichopappus fremontii Orlando Mistretta 1995-3-24 1562 Los Angeles San Gabriel Mountains: Carr Canyon. 1098 Comment
  SEINET3859873  Syntrichopappus fremontii R. G. Swinney 2009-4-24 10440 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground.; 0 915 Comment
  UC1536866  Syntrichopappus fremontii G. H. True 1935-3-28 186 Los Angeles w of Littlerock 944 Comment
  RSA587503  Tamarix parviflora Orlando Mistretta 1995-3-28 1583 Los Angeles San Gabriel Mountains: Drainage W of Little Rock Creek reservoir just s of dam. 1143 Comment
  SEINET3816602  Tanacetum bipinnatum Leila M. Shultz 1981-4-19 4978 Los Angeles Rancho Santa Ana botanic garden Comment
  UCR209051  Tauschia arguta Dan S. Cooper 2009-4-29 s.n. Los Angeles Santa Monica Mountains, Beverly Hills, near upper end of Laurel Way in lower Franklin Canyon 235 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
  UC1070390  Tetradymia stenolepis W. A. Peterson 1935-1-24 11 Los Angeles 2 mi sw Gorman; Tejon Quad. 975 Comment
  RSA719053  Thalictrum fendleri var. polycarpum R. G. Swinney 1998-4-13 5950 Los Angeles Marshall and Live Oak Canyon drainages, La Verne 549 Comment
  RSA709580  Thysanocarpus curvipes A. C. Sanders, Helen Kennedy 2005-4-13 29469 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
  UCR184365  Thysanocarpus curvipes A. C. Sanders 2007-4-19 33470 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  RSA0057369  Thysanocarpus curvipes subsp. curvipes P. A. Munz 1919-3-18 2395 Los Angeles Blanchard Park, Claremont. Comment
  RSA600159  Thysanocarpus curvipes var. curvipes Steve Boyd, Lauren Raz 1997-5-1 9652 B 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
  SD197730  Thysanocarpus desertorum R. G. Swinney 2008-5-2 8719 Los Angeles San Gabriel Mountains; Big Rock Creek at Paradise Springs, north of Big rock Creek Road, on campground property. 1000 Comment
  CDA967  Thysanocarpus laciniatus D. G. Kelch 1991-3-23 1303 Los Angeles Catalina Island. East of Avalon. Comment
  UCR205829  Thysanocarpus laciniatus R. G. Swinney 2008-5-8 8795 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  SDSU1290  Thysanocarpus laciniatus R. M. Beauchamp 1967-3-17 238 Los Angeles San Clemente Island. Comment
  RSA592282  Toxicodendron diversilobum L. C. Wheeler 1967-5-9 9405 Los Angeles San Gabriel Mountains. Aliso Canyon. 945 Comment
  UCSB18283  Tragopogon porrifolius Lakatos, Susie 1964-3-22 Los Angeles Vacant lot, intersection of 7th street and Georgina Avenue, Santa Monica Comment
  HSC84070  Trichostema lanatum David Charlton 1987-1-31 638 Los Angeles Saddle Peak, Santa Monica Mtns. Steep E-facing hillside beside road 610 Comment
  OBI13438  Trichostema lanatum Unknown 1964-4-18 109 Los Angeles East slope of Topanga Cyn, end of Colima Dr, Santa Monica Mts Comment
  UC576513  Trichostema lanatum Edith A. Purer 1935-5-11 6571 Los Angeles Malibou Road Comment
  RSA82194  Trichostema parishii F. W. Peirson 1921-7-1 2473 Los Angeles Arraster Creek, San Gabriel Mts 1067 Comment
  RSA599333  Trifolium albopurpureum var. albopurpureum Steve Boyd, Lauren Raz 1997-3-26 9361 Los Angeles Liebre Mountains region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 976 Comment
  UC56622  Trifolium albopurpureum var. albopurpureum Ernest Braunton 1902-4-29 191 Los Angeles North Pomona Comment
  LA200506  Trifolium ciliolatum Unknown; sn Los Angeles SANTA MONICA MOUNTAINS, Universal City. 213 Comment
  UCD108276  Trifolium ciliolatum Geoffrey Levin 1974-4-27 56 Los Angeles Evey Canyon, a side Canyon of San Antonio Canyon. 731 Comment
  RSA611943  Trifolium ciliolatum Louis C. Wheeler 1933-4-7 1624 Los Angeles Temple City. 107 Comment
  UCR23847  Trifolium dubium Alfred R. Roos 1954-5-29 s.n. Los Angeles Hollywood Comment
  UCR187246  Trifolium gracilentum A. C. Sanders 2006-4-21 32126 Los Angeles Tehachapi Mtns. Foothills, hills c. 1.25 miles ENE of Quail Lake, east of the Cement Plant Rd. and Calif. Aqueduct, north of Hwy 138 1006 Comment
  RSA251502  Trifolium gracilentum Robert F. Thorne 1973-4-11 42793 b Los Angeles San Clemente Island; small pools in gully at head of Middle Ranch Canyon in grassy plateau. 427 Comment
  CAS-BOT-BC183848  Trifolium macraei Tim Ross 1993-4-22 6894 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); southerly coastal slope 1320 m SE of Cactus Peak summit 393 Comment
  RSA748833  Trifolium microcephalum Justin M. Wood 2009-4-13 481 Los Angeles Foothills above the city of Sierra Madre, one carter estates at the end of Baldwin Ave. 49 Comment
  RSA601046  Trifolium obtusiflorum Steve Boyd, Lauren Raz 1997-6-18 9982 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  POM2654  Trifolium obtusiflorum C. F. Baker 1891-4-12 s.n. Los Angeles Alhambra Comment
  LA201881  Trifolium willdenovii Arthur C. Gibson; 2003-4-15 4991 Los Angeles Simi Hills, along hiking trail from Box Canyon Rd on s-facing slope about 0.5 km before reaching Pioneer Pass 496 Comment
  UC153556  Trifolium willdenovii LeRoy Abrams 1903-4-10 3249 Los Angeles near Inglewood Comment
  RSA187885  Trifolium willdenovii Robert F. Thorne 1966-4-7 35971 Los Angeles Howland Landing Canyon near road to Johnsons Landing. 23 Comment
  RSA439388  Triodanis biflora Fordyce Grinnell Jr. 1914-5-30 s.n. Los Angeles Scholl Canon Comment
  SBBG96633  Triteleia clementina S. Boyd with T. Ross, L. Arnseth 1990-4-6 4149 Los Angeles Lemon Tank Cyn 274 Comment
  RSA626107  Tropidocarpum gracile LeRoy Gross 1999-4-29 138 Los Angeles Santa Susana Mountains, east end: Rice Canyon, north on interstate 5, exit Calgrove Ave. Turn left to The Old Road, City of Newhall. 426 Comment
  UCR51010  Tropidocarpum gracile A. C. Sanders, E. J. Lawlor 1988-4-3 7752 Los Angeles Tehachapi Mountains, southwest end of the Tehachapi Mtns, l mi northwest of Gorman on a gasline rd, 0.4 mi above old highway 1284 Comment
  RSA426256  Turricula parryi C. R. Parks 1963-2-16 s.n. Los Angeles along southern slope on upper Bear Creek Trail just west of Crystal Lake, 12 miles north of Azusa. 1372 Comment
  RSA579529  Turricula parryi Tim S. Ross, Steve D. Boyd 1994-5-24 7875 Los Angeles Vicinity of Burns Canyon: Burns Truck Trail, along low, northerly slope draining to lower Burns Canyon; 2220 m ENE from Grass Mountain summit; 1290 me WSW Andrade Corner. 1116 Comment
  UCR281384  Turritis glabra R. G. Swinney 2014-5-21 16607 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
  RSA0042970  Typha R. G. Swinney 2009-11-18 11650 Los Angeles 1.7 miles west of junction of Bobs Gap Rd. and Valyermo Rd., at junction of Sand Rock Creek & Valyermo Rd., S side of road 1108 Comment
  UCR209934  Typha domingensis R. G. Swinney 2008-7-13 9182 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, west fork of Bell Canyon at debris basin 732 Comment
  RSA525101  Ulmus minor Tim S. Ross, Steve D. Boyd 1990-6-6 2857 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  LA200652  Umbellularia californica Jonathan Sauer; D. Bradbury, R. Thaman 1969-12-7 4684 Los Angeles 243 Comment
  RSA0016884  Umbellularia californica T. S. Ross, Orlando Mistretta 1993-5-26 7304 Los Angeles W end of the San Gabriel Mts: near head of upper E Fk Wilson Canyon just S of Lupine Saddle , ca 2100 ft ESE of Wilson Canyon Saddle. 869 Comment
  CAS-BOT-BC381885  Uropappus lindleyi Le Roy Abrams 1901-4-1 1275 Los Angeles Santa Monica Mts. Comment
  LA200262  Uropappus lindleyi W. O. Griesel; 1936-4-19 sn Los Angeles Santa Monica Mountains, Hollywood Hills Comment
  SFV22124  Uropappus lindleyi V. Soza, L. Gross, B. Hogshead 2001-4-26 1180 Los Angeles Verdugo Mountains Western mouth of La Tuna Canyon on north side of canyon. Trail from Tuxford Street and Ledge Ave. to ridgetop on north side of McDonald Creek. Ridgetop. 396 Comment
  UCR271135  Uropappus lindleyi R. G. Swinney 2011-4-20 14456 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
  SBBG131980  Uropappus lindleyi S. A. Junak, B. Collins 1991-4-24 SCI 149 Los Angeles S of airfield 274 Comment
  UCSB46512  Uropappus lindleyi Visser, M. 1983-5-19 Los Angeles Hungry Valley Road, 22 miles north of Interstate 5 off ramp 914 Comment
  LA34201  Urtica dioica subsp. holosericea Peter H. Raven; Henry J. Thompson 1959-10-14 14631 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, E end of lake 220 Comment
  RSA446061  Urtica dioica subsp. holosericea Louis Greata 1900-10-28 s.n. Los Angeles Oak Knoll, Pasadena Comment
  RSA588858  Urtica dioica subsp. holosericea Orlando Mistretta 1994-9-21 1497 Los Angeles San Gabriel Mtns., Santiago Canyon, At jct. of Forest Rd. 4N20 with Santiago Creek. 1280 Comment
  JEPS16887  Venegasia carpesioides Peter H. Raven 1956-6-17 9410 Los Angeles slopes of Santa Monica Mountains nw of Sunset Boulevard at Sepulveda Boulevard; slopes of Santa Monica Mountains Comment
  RSA630270  Venegasia carpesioides LeRoy Gross 1999-2-20 114 Los Angeles Santa Monica Mountains: Temescal Canyon, city of Pacific Palisades. 121 Comment
  RSA628346  Verbascum thapsus Steve D. Boyd 1998-10-7 10296 Los Angeles Bouquet Canyon, east of Bouquet Reservoir along Spunky Canyon Road just west of junction with Bouquet Canyon Road. 915 Comment
  IRVC26146  Verbena lasiostachys S. D. White 1997-5-21 5209 Los Angeles San Gabriel River Canyon: N of Azusa, river wash N of Hwy 39, ca 2 road mi N of Foothill Blvd. San Gabriel Mtns. 229 Comment
  RSA0081783  Verbena lasiostachys R. G. Swinney 2010-9-7 13716 Los Angeles Crystal Lake, within 50 ft. of shore line around the entire perimeter. 1683 Comment
  RSA535273  Verbena lasiostachys var. lasiostachys Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5313 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyon; area having burned within previous two years. Rocky slope of draw; upper E fork of Box Canyon. 477 Comment
  POM199543  Veronica persica I. W. Clokey, Bonnie C. Templeton 1929-03 4515 Los Angeles Mandeville Canyon, Santa Monica Mountains. 275 Comment
  PASA262  Vicia americana Frank W. Peirson 1921-4-10 Los Angeles San Dimas Canyon, San Gabriel Mts. 426 Comment
  SD66880  Vicia ludoviciana R. Mitchel Beauchamp 1967-3-20 351 Los Angeles Santa Catalina Island, Abalone Point, under shrub on dry slope Comment
  UC73227  Vicia ludoviciana var. ludoviciana Elizabeth Palmer Jun 1904 Los Angeles Garvanza Comment
  RSA659804  Vinca major Fred Brooks 1988-5-7 35 Los Angeles San Antonio Canyon, 1.5 mi. above second tunnel at Mountain Rd. turnoff, on west side of canyon, above river. 1371 Comment
  UCD121412  Vinca major Robert F. Thorne; P. C. Everett 1964-2-7 33465 Los Angeles At base of building, at lower end of Pebbly Beach Canyon, E end of Santa Catalina Island. 76 Comment
  RSA210971  Viola pedunculata C. W. Tilforth 1969-4-2 179 Los Angeles N.W. side of Colima Ave. 1/4 mi. N.E. of Punta del Este St intersection between Whittier and West Covina. Comment
  RSA608611  Viola pedunculata Louis C. Wheeler 1974-4-14 s.n. Los Angeles Wildwood Ranch, Shuler Canyon. 412 Comment
  UCR190030  Viola pinetorum R. G. Swinney 1998-6-16 6969 Los Angeles San Gabriel Mtns., c. 0.6 mi. north of Cow Canyon Saddle (Glendora Ridge Rd. at Cow Canyon Rd.) near trail to Lookout (Antonio) Mtn. 1524 Comment
  UCR271565  Viola pinetorum var. pinetorum R. G. Swinney 2011-5-19 14772 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.6 miles SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., south side of Coldwater Cyn. creek 1073 Comment
  RSA587111  Viola purpurea subsp. mohavensis Orlando Mistretta 1995-4-21 1633 Los Angeles Little Rock Creek. Un-named canyon draining the west slopes of Little Rock Creek canyon 0.5 mile N of Kitter Canyon 1159 Comment
  UC1605908  Viola purpurea subsp. purpurea Tim Ross, Steve Boyd, Laurel Arnseth 1991-4-30 4878 Los Angeles near w summit area of Liebre Mountain (NW Los Angeles County) 1682 Comment
  POM18072  Viola purpurea subsp. venosa Philip A. Munz 1923-5-26 6850 Los Angeles Vincent Gulch, San Gabriel Mountains 2012 Comment
  SBBG128557  Vitis girdiana M. L. Hoefs, D. R. Hoefs, J. Hernandez 1995-6-15 2271 Los Angeles Cottonwood Cyn 33 Comment
  RSA600153  Vulpia microstachys var. confusa Steve Boyd, Lauren Raz 1997-5-1 9648 A 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
  RSA611835  Vulpia microstachys var. microstachys Steve Boyd, Valerie Soza 1998-4-28 10177 A Los Angeles Liebre Mountains region: Antelope Valley, at foot of Portal Ridge along Lancaster Road, just south of the junction with Highway 138, west of Fairmont. Comment
  RSA614151  Vulpia myuros Anna Christensen 1997-3-13 4 Los Angeles Claremont, Bernard Biological Field Station. NW corner of Mills Ave. and Foothill Blvd. 412 Comment
  POM352986  Vulpia myuros var. hirsuta M. B. Dunkle 1939-4-6 7297 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  RSA599597  Vulpia myuros var. myuros Steve Boyd, Lauren Raz 1997-3-31 9403 A Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 914 Comment
  LA94265  Woodwardia fimbriata Lawrence L. Kiefer; 1966-3-12 1717 Los Angeles SANTA MONICA MOUNTAINS, Tuna Canyon, ca 1.5 mi from mouth of canyon. 213 Comment
  UCR261522  Woodwardia fimbriata Joseph Cahill 2010-9-11 910- 01 Los Angeles Transverse Range; San Gabriel Mtns., along Winter Creek c. 2.3 miles north of Arcadia 2589 Comment
  RSA72645  Wyethia ovata F. W. Peirson 1921-6-14 1326 Los Angeles San Gabriel Mountains. Pine Flats, headwaters of Tujunga Creek. 1676 Comment
  RSA774167  Wyethia ovata R. G. Swinney 2009-7-22 11342 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  RSA598348  Xanthium spinosum L. C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island. Catalina Harbor (Isthmus). 3 Comment
  UCR73178  Xanthium spinosum Scott D. White 1992-10-8 873 Los Angeles Western Transverse Range; Santa Monica Mtns., Malibu, just north of Pacific Coast Hwy (= Calif. Hwy 1), extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School 91 Comment
  UC54945  Xanthium strumarium H. P. Chandler 1902-9-9 2017 Los Angeles roadside near Ballona Lagoon Comment
  CAS-BOT-BC196869  Xylococcus bicolor Chas. Darland 1932-2-14 s.n. Los Angeles Sunland Comment
  UCR178593  Yucca brevifolia R. G. Swinney 1967-3-25 097 Los Angeles Mojave Desert, Pearblossom 976 Comment
  CAS-BOT-BC131830  Yucca brevifolia var. brevifolia Timothy S. Ross 1991-4-27 4672 Los Angeles Mojave Desert: Black Butte Basin Road, 2.75 miles and ca 145 deg. SW of Three Sisters [buttes] 1005 Comment
  RSA725763  Yucca whipplei var. whipplei A. C. Sanders 2003-5-1 26257 Los Angeles Western San Gabriel Mtns.: SE slopes of Castaic Mesa above Charlie Canyon, east of Lake Hughes Rd. and ESE of the filtration plant, Newhall Ranch property. 396 Comment
  LA200926  Zigadenus fremontii Jonathan Sauer; H. N. Sauer, J. Zadny, M. Zadny 1969-3-17 4395 Los Angeles SANTA MONICA MOUNTAINS, upper Rustic Canyon Comment



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