Search Results — 2000 specimen records retrieved (1546 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR141149  Abies concolor June Latting 1973-6-24 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek site, Fenner Canyon, north side of mountains 1768 Comment
  RSA213418  Abronia maritima M. B. Dunkle 1939-4-15 7278 Los Angeles Pyramid Cove, San Clemente Island Comment
  RSA184066  Abronia pogonantha I. L. Wiggins 1966-4-23 20636 Los Angeles E side of 145 st. E, between Palmdale Blvd. and Ave. O, N of Pearblossom Mohave Desert. Comment
  RSA0025884  Abronia umbellata Marcy Keys 1981-5-25 84 Los Angeles Malibu Lagoon State Park. 100 yds. from shore, 150 yds. south of location where Malibu stream pours into ocean. Comment
  RSA0025888  Abronia umbellata F. H. Elmore 1939-11-23 780 Los Angeles Northwest Harbor, San Clemente Island. Comment
  RSA623974  Abronia umbellata B. F. Krause 1921-4-6 352 Los Angeles Redondo Beach. Comment
  LA99473  Abronia umbellata subsp. umbellata Hisao P. Arai; 1957-3-16 sn Los Angeles 21 Comment
  RSA657017  Acacia longifolia Joseph M. Keefe 2001-2-7 31045 Los Angeles 3 meters north of Ventura Freeway (Highway 134), 5 meters east of Figueroa Street, southwest of The Eagle Rock Park, Eagle Rock District, Los Angeles, 90041. 280 Comment
  SFV21134  Acacia longifolia J. M. Keefe 2001-2-7 31045 Los Angeles San Rafael Hills Los Angeles, Eagle Rock. Along freeway onramp on north-facing slope, 3 m north of Ventura Freeway (Highway 134), 5 meters east of Figueroa St., southwest of Eagle Rock Park. 280 Comment
  UCR280903  Acamptopappus sphaerocephalus var. hirtellus R. G. Swinney 2014-4-23 16148 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains 1256 Comment
  CAS-BOT-BC412577  Acanthoscyphus parishii var. parishii J. Ewan 1930-6-25 2681 Los Angeles South slope Mt. Islip, San Gabriel Mts. 2453 Comment
  UC284810  Acer macrophyllum P. A. Munz 1923-5-26 6833 Los Angeles Big Rock Creek , Big Rock Creek (San Gabriel Mts.) 1920 Comment
  UC56273  Acer macrophyllum Harley P. Chandler 1897-4-12 Los Angeles Palmer's Canyon Claremong, Palmer's Canyon (Claremont, Damp Canyon) 731 Comment
  UCSB12494  Acer macrophyllum Haines, A. 1962-3-24 Los Angeles Topanga Canyon; Santa Monica Mountains 152 Comment
  CAS-BOT-BC21685  Achillea millefolium Peter H. Raven; H. L. Wedberg 1957-6-15 10904 Los Angeles Latigo Canyon 0.8 miles n. of U.S. 101A, Santa Monica Mts. Comment
  RSA176284  Achillea millefolium R. F. Thorne, J. Henrickson 1963-5-5 32323 Los Angeles Cobal Canyon, Foothills of San Gabriel Mts., 4 miles N of Claremont. 518 Comment
  RSA416223  Achillea millefolium Bonnie C. Templeton 1932-7-20 5003 Los Angeles Big Pines Park, San Gabriel Mts. 2088 Comment
  UC934033  Achnatherum coronatum H. L. Cogswell 1951-5-8 98 Los Angeles 3/4 mi n San Dimas Foothill County Park; San Gabriel Mountains 518 Comment
  RSA21250  Achnatherum hymenoides C. B. Wolf 1937-4-28 8521 Los Angeles 1.8 miles N of Palmdale 793 Comment
  RSA680132  Achnatherum parishii LeRoy Gross, Michael Denslow 2003-6-4 981 Los Angeles Trail from Islip Saddle to South Fork Big Rock Creek. 0.5 to 0.7 mile down trail from the Saddle, before Reed Spring. 1921 Comment
  RSA597742  Achnatherum parishii subsp. depauperatum Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-22 3745 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone 1707 Comment
  JEPS75608  Achnatherum speciosum W. L. Jepson 1935-4-17 17061 Los Angeles Portal Ridge Comment
  RSA584773  Achnatherum speciosum Timothy S. Ross 1992-7-17 6715 Los Angeles Condor Peak and immediate vicinity. 1622 Comment
  UC60156  Achnatherum speciosum Dr. A. Davidson Los Angeles Lancaster Comment
  UCSB30476  Achnatherum speciosum Jorgen, R. 1975-5-11 Los Angeles Intersection Ave U-8 and Pearblossom Hwy, 2.0 mi E of Littlerock on CA Hwy 138 975 Comment
  RSA667596  Achyrachaena mollis Steve Boyd, Lee Lenz 2001-5-2 10424 Los Angeles 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. [Latitude should be 34 instead of 36] Comment
  CAS-BOT-BC204749  Acmispon argophyllus var. argenteus Frank W. Peirson 1923-4-9 3468 Los Angeles 2 miles S.-E. of Wilsons [Wilson] Cove, San Clemente Comment
  SBBG118130  Acmispon argophyllus var. argenteus P. A. Munz 1923-4-9 6611 Los Angeles San Clemente Island Comment
  SBBG96967  Acmispon argophyllus var. argenteus S. Boyd with T. Ross, L. Arnseth 1990-4-8 4309 Los Angeles near Malo Pt, first cyn S of Bryce Cyn Comment
  SDSU4283  Acmispon argophyllus var. argophyllus R. M. Beauchamp 1967-1-27 110 Los Angeles San Clemente Island. Plentiful seedling in field east of Wilson Cove area. Comment
  SBBG95486  Acmispon dendroideus var. dendroideus M. B. Dunkle 1928-11-25 2035 Los Angeles Hamilton Cove Comment
  SDSU4343  Acmispon dendroideus var. traskiae R. M. Beauchamp 1967-1-27 120 Los Angeles San Clemente Island. On slope south of Wilson Cove. Comment
  SBBG20674  Acmispon glaber M. Vincent 1962-7-5 268 Los Angeles Old Topanga Cyn Rd, 4 mi S of Ventura Blvd Comment
  CHSC24449  Acmispon glaber var. brevialatus G. R. Pintler 1976-4-16 18 Los Angeles Ca. 15 m se of junc of Mt Baldy Rd, and Padua Rd, ca. 1 mi sw of San Antonio Dam. 499 Comment
  LA52432  Acmispon glaber var. glaber Carl Epling; M. Epling May 1925 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  SBBG67365  Acmispon grandiflorus var. grandiflorus Martindale 1927-3-1 544 Los Angeles Bailey's Ranch, Ridge Route (US Hwy 99) 1066 Comment
  CAS-BOT-BC29197  Acourtia microcephala Alice Eastwood 1915-8-25 4914 Los Angeles Duarte Comment
  POM47141  Acourtia microcephala I. M. Johnston 1924-8-13 s.n. Los Angeles San Antonio Mtns. Evey Canyon. 731 Comment
  CAS-BOT-BC133172  Adenostoma fasciculatum A. J. Hill 1963-8-25 s.n. Los Angeles Topanga Canyon near intersection with Entrada Drive Comment
  CAS-BOT-BC133175  Adenostoma fasciculatum Le Roy Abrams; E. A. McGregor 1908-6-19 387 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  UCR152893  Adenostoma fasciculatum A. C. Sanders, Helen Kennedy 2005-4-13 29430 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCR211897  Adenostoma fasciculatum LeRoy Gross, Duncan Bell 2008-5-27 3421 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
  UCR260382  Adenostoma fasciculatum R. G. Swinney 2010-4-23 12373 Los Angeles San Gabriel Mountains/Verdugo Mountains, east end of Hansen Dam Basin, on N side of Big Tujunga Wash channel, 0.1-0.5 miles E of Orcas Park 341 Comment
  RSA0040210  Adiantum capillus-veneris Orlando Mistretta 1989-5-15 s.n. Los Angeles San Clemente Island, Bryce Canyon. Comment
  CATA96  Adiantum jordanii Mark L. Hoefs 1973-3-13 72 Los Angeles Santa Catalina Island: Upper Avalon Canyon, west of Wrigley Memorial 152 Comment
  RSA401057  Aesculus californica Ora M. Clark 1929-3-29 1853 Los Angeles Tejon Pass. Comment
  RSA592136  Ageratina adenophora Louis C. Wheeler 1967-4-10 9187 Los Angeles Pasadena. Pasadena City College campus. Comment
  RSA602765  Ageratina adenophora Louis C. Wheeler 1972-12-24 12800 Los Angeles San Gabriel Mountains: Las Flores Canyon. 823 Comment
  UCD53114  Agrostis pallens Peter H. Raven; H. L. Wedberg 1957-6-15 10902 Los Angeles in Latigo Canyon 0.8 mile north of United States Highwy 101A, Santa Monica Mountains. Comment
  HSC94029  Agrostis stolonifera L. C. Wheeler 1967-9-17 Los Angeles San Gabriel Mountains, foot of Holiday Hill Ski Lift. 1997 Comment
  RSA604685  Agrostis stolonifera L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: ca. 200 yards E of foot of Holiday Hill Ski Lift. Comment
  UCR205988  Agrostis stolonifera R. G. Swinney 2001-9-16 8168 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
  UCR256449  Agrostis stolonifera R. G. Swinney 2010-9-9 13772 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
  LA33348  Agrostis stolonifera R. L. Armacost; 1957-6-15 Los Angeles Comment
  SEINET8722554 Image available Alchemilla arvensis F. R. Fosberg 1931-1 S 4341 Los Angeles Hamilton Canyon, Santa Catalina Island. Alt. 75 m. 75 Comment
  UC566987  Allium fimbriatum var. fimbriatum A. D. Gifford 1935-5-10 701 Los Angeles 3 mi sse Neenach; Tejon Quadrangle 1005 Comment
  RSA86599  Allium haematochiton Verne Grant 1954-3-27 9290 Los Angeles North of San Dimas. 427 Comment
  RSA638957  Allium monticola L. C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: North side of Burkhart Saddle. 2104 Comment
  RSA70171  Allium monticola F. W. Peirson 1918-6-17 267 Los Angeles Rock Creek Divide Comment
  CAS-BOT-BC472941  Allium monticola H. M. Hall 1899-6-1 s.n. Los Angeles San Antonio St. 3048 Comment
  CAS-BOT-BC472946  Allium monticola V. June Wetherell; C. F. Quibell 1960-5-28 401 CFQ Los Angeles Los Angeles National Forest, San Gabriel Mountains. Mt. Islip gravel slide 2590 Comment
  RSA526077  Allium praecox Steve Boyd, Timothy S. Ross, Peter Fritsch 1990-4-6 4176 Los Angeles San Clemente Island. East side of island, 0.2 mile S of U.S. Navy site called Jack . 152 Comment
  SEINET10666967 Image available Allium sativum Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2619 Los Angeles City of Pasadena. Von's Supermarket, 2355 E. Colorado Blvd. Comment
  POM74590  Allophyllum divaricatum Marcus E. Jones 1902-6-28 s.n. Los Angeles Pasadena Comment
  SDSU1077  Allophyllum gilioides subsp. gilioides F. Youngberg 1934-4-1 Los Angeles Near San Dimas Dam. Comment
  UC440420  Allophyllum glutinosum Carl Epling and Lincoln Ellison 1929-5-18 Los Angeles Topango Canyon Santa Monica Mts., Topango Canyon Comment
  RSA522949  Alnus rhombifolia Orlando Mistretta 1990-10-26 3323 -a Los Angeles San Gabriel Mountains: Horse Canyon drainage along riparian strip. 823 Comment
  CDA3241  Amaranthus blitum Tom Yutani 1989-4-17 Los Angeles Rosecrans Avenue and Beach Blvd. (Hwy 39), La Mirada . 0 Comment
  LA210783  Amaranthus deflexus F. H. Lewis; 1939-9-24 1007 Los Angeles West Los Angeles Comment
  LA31573  Amaranthus retroflexus Peter H. Raven; Henry J. Thompson 1959-10-31 14718 Los Angeles Santa Monica Mountains, Wells Avenue near Tampa Avenue 304 Comment
  RSA603179  Amaranthus retroflexus L. C. Wheeler 1970-7-22 s.n. Los Angeles San Gabriel Mountains: Vicinity of Fascination Spring. 335 Comment
  SBBG110898  Amblyopappus pusillus G. B. Grant, W. Wheeler 1904-4-21 Los Angeles Santa Catalina Island Comment
  SEINET4001595 Image available Amblyopappus pusillus M. B. Dunkle 1939-1 7268 Los Angeles China Point, San Clemente Island. Comment
  RSA416896  Ambrosia acanthicarpa Louis Greata 1900-10 s.n. Los Angeles Eagle Rock Valley Comment
  CATA205  Ambrosia chamissonis Mark L. Hoefs 1973-4-15 184 Los Angeles Santa Catalina Island: Ben Weston Beach 7 Comment
  SBBG31366  Ambrosia chamissonis R. F. Thorne with P. C. Everett 1965-5-11 34552 Los Angeles behind N beach at Little Harbor 1 Comment
  RSA534147  Ambrosia chamissonis Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5079 Los Angeles San Clemente Island. Lower Wilson Cove Canyon; just above shoreline near the pier operations. 6 Comment
  CAS-BOT-BC45007  Ambrosia confertiflora Dr. J. Q. Adams 1910-10-1 s.n. Los Angeles Soldier's Home Comment
  POM4808  Ambrosia confertiflora I. M. Johnston 1920-1-1 s.n. Los Angeles Arcadia, along Huntington Drive. 152 Comment
  JEPS30439  Ambrosia confertiflora Peter H. Raven 1959-11-7 14733 Los Angeles just below Hollywood Reservoir; Santa Monica Mountains 182 Comment
  LA31631  Ambrosia psilostachya Peter H. Raven; Henry J. Thompson 1959-9-6 14381 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek, near mouth. 12 Comment
  SBBG12869  Ambrosia psilostachya E. R. Blakley 1962-10-5 5447 Los Angeles Cottonwood Cyn, 0.25 mi upstream from ocean 30 Comment
  UCR255484  Ambrosia psilostachya Dan S. Cooper 2014-6-12 614- 13 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, west edge of Wilson-Harding Golf Course, east of Boys Camp Rd. 149 Comment
  CAS-BOT-BC174664  Ambrosia psilostachya var. californica Timothy S. Ross; Steve Boyd 1994-7-7 8149 Los Angeles Upper Cienaga Canyon: South base of Liebre Mountain, just on the N side of the Kelly Ranch inholding (USFS map, 1958; Knapp Ranch, Angeles Nat'l Forest map, 1982) 1018 Comment
  RSA0120020  Ambrosia salsola R. G. Swinney 2014-4-30 16263 Los Angeles San Gabriel Mountains; 3.8-4.0 miles s. of Hwy. 138 on w. side of Largo Vista Road to ridge, c. 100 meters to the west. 1387 Comment
  LA207882  Amelanchier utahensis V. Newsom; 1932-6-8 sn Los Angeles San Gabriel Mountains, Wrightwood Comment
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Jun 10 2015
  RSA86818A  Amelanchier utahensis F. W. Peirson 1919-6-14 471 -A Los Angeles Rock Creek Divide, north side of San Gabriel Mountains. 2012 Comment
  LA202598  Ammannia coccinea Louis Wheeler; 1932-9-19 1387 Los Angeles 121 Comment
  UC1061786  Amsinckia douglasiana A. D. Gifford 1935-2-7 422 Los Angeles mouth of Elizabeth Lake Canyon 365 Comment
  RSA0090901  Amsinckia douglasiana L. C. Wheeler 1931-3-8 s.n. Los Angeles Fischer s, [Vicinity of Claremont]. Comment
  POM3922  Amsinckia intermedia D. L. Crawford 1927-3-15 s.n. Los Angeles foothills above Claremont Comment
  RSA638174  Amsinckia intermedia L. C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mountains: Placerita Canyon. Comment
  UC79289 Image available Amsinckia lycopsoides Edward Lee Greene 1893-5-1 Los Angeles Watt's Station Comment
  RSA0115844  Amsinckia menziesii Steven A. Junak 1999-4-22 SCa- 841 Los Angeles Santa Catalina Island. In upper part of Cape Canyon at pumphouse, just upstream from fork in road. 305 Comment
  SEINET12519016  Amsinckia menziesii var. menziesii Steve Boyd, Timothy S. Ross 1997-1 9191 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring 1183 Comment
  UC1349353  Amsinckia menziesii var. menziesii Robert F. Thorne 1966-4-5 35854 Los Angeles s-facing slope above stream in Cottonwood Canyon; Santa Catalina Island, Cottonwood Canyon 106 Comment
  RSA774262  Amsinckia tessellata R. G. Swinney 2009-5-5 10647 Los Angeles Carr Canyon, 0.6 mi. southeast of Mt. Emma Rd. crossing 963 Comment
  SBBG29369  Amsinckia tessellata D. Myrick 1968-3-6 1816 Los Angeles near Hi Vista 914 Comment
  RSA713736  Amsinckia tessellata var. tessellata LeRoy Gross 2005-4-28 2158 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.)., East of Mt. Emma Road. Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  RSA611439  Amsinckia tessellata var. tessellata L. C. Wheeler 1932-4-9 562 Los Angeles 2 mi. NW mouth of Kings Canyon, Antelope Valley, Mohave Desert. 915 Comment
  RSA592441  Anagallis arvensis Louis C. Wheeler 1967-5-13 9500 Los Angeles San Gabriel Mountains. On mesa between Little Dalton and Englewild canyons. 373 Comment
  RSA660850  Anagallis arvensis Darron David 1992-5-15 10 Los Angeles [Hacienda] Heights, 1.2 miles west of the intersection of Colima Rd. and Haliburton Rd. Clementina Dr. Comment
  SFV21100  Andropogon glomeratus var. scabriglumis L. Gross, W. Law 2000-8-8 248 Los Angeles San Fernando Valley Big Tujunga Wash east of Hansen Dam. East of Orcas Park along river (just north of Wentworth Street but not as far as Tujunga ponds. 325 Comment
  CATA3467  Anemopsis californica Tobias Nickel, Jamie Choi, Stuart Olshevski, Olivia Reda 2017-5-8 009 Los Angeles Santa Catalina Island: Interior; side of drainage in Upper Cottonwood watershed 337 Comment
  UCR189414  Anthriscus caucalis R. G. Swinney 1998-5-30 6166 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  UCR240239  Anthriscus caucalis Dan S. Cooper 2011-3-11 311- 41 Los Angeles San Gabriel Mountains Foothills, Monrovia Hills, 'Hidden Valley' north of Hidden Valley Ave. 258 Comment
  RSA656189  Anthriscus caucalis Joseph M. Keefe 1978-4-28 22835 Los Angeles Verdugo Mountains; Henderson Canyon, Mesa Lila Fire Road, 1 Km west of El Lado Road, under Edison Power Line, La Crescenta. 488 Comment
  RSA425779  Antirrhinum coulterianum Louis C. Wheeler 1932-7-2 903 Los Angeles Brown's Flat 1311 Comment
  RSA724659  Antirrhinum coulterianum K. Dobry 1991-5-22 d- 767 Los Angeles Soka University NE section. Santa Monica Mts. 1 mi East of Las Virgenes Rd off Muholland Hwy. Comment
  UC1424947  Antirrhinum coulterianum Robin S. Collins 1973-5-28 324 Los Angeles Angeles National Forest, San Gabriel Mts.: along Packtrail ca. 2.5-3.0 miles into Canyon 762 Comment
  SEINET3158874  Antirrhinum coulterianum G. B. Grant 1904-7-1 49 Los Angeles Covina. Southern California only Comment
  CATA3399  Antirrhinum kelloggii Peter J. Dixon, Sula Vanderplank, Sarah Ratay, Scott Tremor 2017-5-5 089 Los Angeles Santa Catalina Island: Avalon Canyon, ridge above chimes tower, 480 m west of Casino building 128 Comment
  JEPS83301  Antirrhinum multiflorum David M. Thompson 1983-5-13 304 Los Angeles 1.3 mi w Mulholland Hwy. junction with Las Virgenes Road (on Mulholland Hwy, next to ruins of a stone building); Malibu Beach Quad. (7.5', 1951) 274 Comment
  UCR270942  Antirrhinum multiflorum R. G. Swinney 2011-6-14 15122 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  POM50356  Apiastrum angustifolium L. R. Abrams 1901-4-6 1414 Los Angeles Verdugo Hills Comment
  RSA590410  Apiastrum angustifolium T. S. Ross 1993-4-21 6863 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft) slope and small ridges N of Cactus Peak summit. 384 Comment
  RSA617729  Apiastrum angustifolium Scott D. White 1998-5-22 6563 Los Angeles Castaic Lake area: Grasshopper Canyon. watershed, between I-5 Freeway / Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  RSA0087234  Aquilegia formosa R. G. Swinney 2010-9-13 13823 Los Angeles C. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek. 1244 Comment
  UCR223558  Arabis R. G. Swinney 2009-6-2 10982 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  RSA66505  Arabis glabra F. W. Peirson 1903-3-10 658 Los Angeles Laurel Canyon, Santa Monica Mts. Comment
  POM94985  Arabis glabra Marcus E. Jones 1882-5-2 s.n. Los Angeles Pasadena. Comment
  RSA0020294  Arabis sparsiflora Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5121 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA226949  Arceuthobium californicum Robert F. Thorne 1971-8-25 41235 Los Angeles San Gabriel Mts., Angeles National Forest: Mt. Baden-Powell, N slope along trail to Vincent Gap 2226 Comment
  SBBG36926  Arceuthobium campylopodum H. E. Hasse 1893-8-25 Los Angeles Acton Comment
  SEINET3831678  Arceuthobium campylopodum R. L. Mathiasen 2012-1 1304 Los Angeles 1.5 km. W of Coud Burst Summit on St. Rte. 2; On pinus jeffreyi Grev. & Balf. 1960 Comment
  RSA637497  Arctostaphylos Valerie L. Soza, Kent Hughes 1999-6-17 565 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail. 792 Comment
  CAS-BOT-BC23862  Arctostaphylos catalinae Reid Moran 1949-2-8 3153 Los Angeles Catalina Island, canyon above Whites Landing 457 Comment
  RSA626824  Arctostaphylos glandulosa Allen Massihi, Jon E. Keeley 1992-6-30 15860 Los Angeles Highway 39, 1 km northwest of Crystal Lake Recreation. 1700 Comment
  SFV6480  Arctostaphylos glandulosa T. Gordon, W. C. Willig, K. A. Wilson, D. R. Perry 1974-4-26 179 Los Angeles San Gabriel Mountains Lone Pine Canyon Road, 3 miles from Cajon Pass. Comment
  RSA0089375  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley, Allen Massihi 1992-8-20 20500 Los Angeles Windy Gap, Angeles Crest Hwy, San Gabriel Mtns. 1550 Comment
  JEPS38673  Arctostaphylos glandulosa subsp. glandulosa F. W. Peirson 1918-5-19 142 Los Angeles 2 mi n Altadena; San Gabriel Mts., Echo Mountain 1036 Comment
  CAS-BOT-BC23063  Arctostaphylos glandulosa subsp. mollis Timothy S. Ross; Steve Boyd 1994-5-10 7692 Los Angeles Liebre Mountains, Saddle divide between east Fork Fish Canyon and Warm Springs Canyon: 890 Comment
  RSA604327  Arctostaphylos glandulosa subsp. mollis L. C. Wheeler 1936-6-19 4156 Los Angeles Tanbark Flats, San Dimas Canyon. 793 Comment
  SFV6280  Arctostaphylos glandulosa subsp. mollis M. H. Grayum, K. Felt 1974-5-22 s. n. Los Angeles Santa Susana Mountains North side of Oat Mountain along main ridge road. 1067 Comment
  RSA596849  Arctostaphylos glauca Steve Boyd, T. S. Ross, Lauren Raz, Dylan Hannon 1997-2-11 9128 Los Angeles Liebre Mountains region, along Old Ridge Route north of Templin Highway and northwest of the confluence of Castaic Creek and Fish Creek, ca 1000 ft southeast of transit station Hiway''. 950 Comment
  RSA631412  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-6-18 15631 Los Angeles Aliso Canyon Road, 4 km northwest of Angeles Forest Highway. 1050 Comment
  RSA631517  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15665 Los Angeles Angeles Forest Highway, 2 km north of Big Tujunga Canyon turnoff. 1100 Comment
  RSA631575  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15967 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA631595  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15951 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA631614  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15855 Los Angeles San Gabriel Canyon, Highway 39, 15 km north of ORV area. 1300 Comment
  UCR223369  Arctostaphylos glauca R. G. Swinney 2009-5-20 10820 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
  RSA634686  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20329 Los Angeles Road to Mt. Gleason, 5.3 km west of Mill Creek Summit, San Gabriel Mtns. 1670 Comment
  RSA634722  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20514 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA634753  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20381 Los Angeles Road to Pacifico Mtn., 0.5 km east of Mill Creek Summit, San Gabriel Mtns. 1500 Comment
  RSA634871  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20271 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA634891  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20401 Los Angeles Road to Pacifico Mtn., 7.5 km east of Mill Creek Summit, San Gabriel Mtns. 1878 Comment
  RSA635080  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20372 Los Angeles Road to Mt. Gleason, 13.7 km west of Mill Creek Summit, San Gabriel Mtns. 1805 Comment
  RSA635265  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20661 Los Angeles Angeles Crest Hwy., Eagle Roost Picnic Ground, 3.5 km west of old road to Crystal Lake. San Gabriel Mtns. 2030 Comment
  UCR203111  Arctostaphylos patula R. G. Swinney 2001-8-27 8105 Los Angeles San Gabriel Mountains, Mt. Burnham, west of Mt. Baden-Powell 2743 Comment
  RSA718057  Arctostaphylos pungens R. G. Swinney 1997-8-19 5814 Los Angeles Antonio Peak (=Lookout Mtn.), ridge E of Cattle Canyon and W of the west fork of Bear Canyon. 2077 Comment
  RSA199838  Arctotis stoechadifolia S. Carlquist 1965-10-3 1816 Los Angeles Los Angeles State and County Arboretum, Arcadia Comment
  UCR184203  Arenaria douglasii A. C. Sanders, T. B. Salvato 2007-4-24 33491 Los Angeles Tehachapi Mountains, hills above head of Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant 1128 Comment
  RSA643157  Arenaria macradenia var. arcuifolia Orlando Mistretta 1995-4-21 s.n. Los Angeles San Gabriel Mountains: Little Rock Creek Management Unit; Kitter Section. Comment
  UCR27112  Arenaria nuttallii subsp. gracilis T. P. Krantz, K. Berg 1980-9-26 s.n. Los Angeles San Gabriel Mtns., West San Antonio Peak 2988 Comment
  OBI78705  Argemone munita Jill M. Bushakra, John Bushakra 2001-6-2 117 Los Angeles Pine Canyon, Pine Canyon and Schaffer Roads. 762 Comment
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Mar 23 2015
  RSA533950  Aristida adscensionis Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5235 Los Angeles San Clemente Island: 1300 feet NNW of Gud (888') marker. 241 Comment
  SEINET3918932  Aristida adscensionis Timothy S. Ross, Gery J. Allan; Mark A. Elvin 1995-5-21 8597 Los Angeles San Clemente Island: Head of Chenetti Canyon, on the W prong of the trident formed at the top of the longest tributary; 1330 ft SSE of Rest triangulation point (1336-ft), USGS San Clemente Island South 7.5' Quad.; 0 358 Comment
  CAS-BOT-BC84975  Artemisia californica L. R. Abrams; I. L. Wiggins 1931-7-6 392 Los Angeles Vicinity of Mosquito Harbor, San Clemente Island - Channel Islands Comment
  POM244812  Artemisia californica F. R. Fosberg 1931-12-10 7149 Los Angeles Avalon, Public Utilities Canyon. Santa Catalina Island. 50 Comment
  UCR259620  Artemisia californica R. G. Swinney 2010-5-25 12954 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  IRVC28722  Artemisia douglasiana A. C. Sanders, Mark A. Elvin 2002-8-26 25590 Los Angeles Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near "Airport Mesa" Northeastern Santa Susana Mtns./Santa Clara River Watershed 305 Comment
  RSA0058233  Artemisia douglasiana Richard G. Swinney 2010-4-23 12343 Los Angeles San Gabriel Mountains: lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA714588  Artemisia douglasiana A. C. Sanders 2002-8-26 25590 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed: Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near 'Airport Mesa' 305 Comment
  CAS-BOT-BC90335  Artemisia douglasiana L. A. Greata 1900-9-10 s.n. Los Angeles River Bank, LA Comment
  RSA417319  Artemisia dracunculus Billy Smith 1949-7-24 4221 Los Angeles Los Padres National Forest 457 Comment
  JEPS31113  Artemisia tridentata Ernest C. Twisselmann 1961-10-31 6674 Los Angeles 0.5 mi n of Sandburgs Lodge; Liebre Mountains, Old Ridge Route 1127 Comment
  RSA417398  Artemisia tridentata A. Menke 1953-10-31 s.n. Los Angeles Hidden Lake, Pine Canyon Comment
  RSA757087  Artemisia tridentata R. G. Swinney 2008-10-8 9518 Los Angeles Ball Flat, north of Jackson Lake. 1878 Comment
  CAS-BOT-BC97268  Artemisia tridentata subsp. parishii Grant 1901-7-13 4407 Los Angeles Palmdale Comment
  RSA0103915  Artemisia tridentata subsp. tridentata R. G. Swinney 2011-10-10 15733 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 1537 Comment
  SBBG77646  Arthrocnemum subterminale F. R. Fosberg 1931-5-17 4888 Los Angeles Little Harbor, facing ocean 5 Comment
  RSA0117685  Asclepias eriocarpa Lyman Benson 1951-6-21 14787 Los Angeles Claremont - Wash P.C. [Pomona College; Thorne's comment on location] Comment
  UC1584930  Asclepias eriocarpa Tim Ross, Steve Boyd 1991-7-24 5606 Los Angeles ridge nne Granite Mountain; Pacifico Mountain USGS 7.5' quad 1892 Comment
  UCR280743  Asclepias vestita R. G. Swinney 2014-4-23 16163 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains 1256 Comment
  RSA574287  Asparagus asparagoides John Dolan 1993-3-15 s.n. Los Angeles Claremont: grounds of RSABG. 410 Comment
  SEINET3880809  Asparagus officinalis A. C. Sanders, Mark A. Elvin 2002-6-19 25176 Los Angeles Ne end of Santa Susana Mtns.: Newhall Ranch, head of 'Adobe Cyn.' and pass into 'Long Canyon' 1.5 mi SE of Del Valle, SW of Castaic Junciton, N of Potrero Canyon.; 0 335 Comment
  SFV22052  Aspidotis californica C. J. Vellema 2001-1-19 102 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Glendale, Pomeroy Canyon, alongside of fire road next to creek. North-facing slope next to deer trail. 341 Comment
  RSA85549  Aspidotis californica F. W. Peirson 1920-4-26 4296 Los Angeles Santa Anita Wash, S base of San Gabriel Mts. 213 Comment
  RSA0088591  Aster greatae R. G. Swinney 2010-9-13 13844 Los Angeles C. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek. 1244 Comment
  RSA737151  Aster greatae Scott D. White, Chris Huntley 2008-9-30 12546 Los Angeles San Gabriel Mountains: San Gabriel River- West fork between Bear Creek and Cogswell Dam. 610 Comment
  UCR142533  Aster greatae P. H. Raven, Wesley O. Griesel 1970-10-13 16842 Los Angeles San Gabriel Mtns., Upper Arroyo Seco, about 200 yards above Switzers Camp 762 Comment
  UCR202531  Aster greatae R. G. Swinney 2001-8-10 8026 Los Angeles San Gabriel Mtns., Glendora, west fork of Little Dalton Canyon [in debris basin], near Glendora Mtn. Road 351 Comment
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May 4 2011
  CDA10317  Aster lanceolatus subsp. hesperius K. D. Pfenninger 1961-6-22 Los Angeles Southwest of main house, 5364 East Avenue G, Lancaster. 0 Comment
  RSA607264  Aster subulatus var. ligulatus L. C. Wheeler 1932-9-19 1400 Los Angeles Los Angeles R. [River] at Los Feliz Blvd 122 Comment
  UCD104637  Astragalus asymmetricus Gordon J. Pilone 1963-4-15 265 Los Angeles Diamond Bar Ranch, Brea Canyon. Santa Ana Mt. Range. 609 Comment
  CAS-BOT-BC177527  Astragalus bicristatus I. M. Johnston 1917-8-24 1656 Los Angeles San Antonio Mountains. Prairie Fk of San Gabriel River 1676 Comment
  RSA90190  Astragalus coccineus F. W. Peirson 1926-4-27 6663 Los Angeles Rock Creek, north base of San Gabriel Mts. 1220 Comment
  SD113716  Astragalus didymocarpus Darley F. Howe 1948-5-3 1804 Los Angeles 1.5 miles south of Lancaster Comment
  RSA627535  Astragalus didymocarpus var. didymocarpus Sandy Leatherman, S. D. White 1998-5-15 12 Los Angeles Western Liebre Mountains. West of Castaic Lake and east of Interstate 5. 610 Comment
  RSA730067  Astragalus douglasii R. G. Swinney 1999-5-8 7137 Los Angeles San Gabriel Mtns.: Pinon Hills, Boneyard Canyon near spring not shown on topo, very near LA Co. line. 1463 Comment
  UCR124425  Astragalus douglasii B. C. Templeton 1932-5-31 4845 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  POM18190  Astragalus douglasii var. douglasii P. A. Munz 1923-8-31 7696 Los Angeles Mescal Creek, San Gabriel Mountains 1951 Comment
  CAS-BOT-BC182981  Astragalus gambelianus A. C. Sanders 2003-4-17 26066 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, ca. 1 km south of Magic Mountain amusement park and north of the powerlines 442 Comment
  POM49667  Astragalus lentiginosus var. albifolius A. D. E. Elmer 1902-06 3627 Los Angeles Lancaster. Comment
  RSA608453  Astragalus lentiginosus var. antonius L. C. Wheeler 1946-8-29 6319 Los Angeles North of Prairie Fork, 1/4 mile SE Blue Ridge Lookout. 2560 Comment
  SEINET3416673 Image available Astragalus leucopsis Edith A. Purer 1935-5-11 6548 Los Angeles Malibou Road, Santa Monica Mountains. Comment
  SD90624  Astragalus miguelensis Robert F. Thorne 1966-4-16 36041 Los Angeles San Clemente Island, sandy bank of old raised beach, 2/3 mile SSE of Eel Point & north of Seal Cove, SW side of island 29 Comment
  UC1215214  Astragalus miguelensis Peter H. Raven 1962-4-11 17298 Los Angeles sandy beach behind Northwest Harbor (San Clemente Island); , behind Northwest Harbor 6 Comment
  UCR12072  Astragalus trichopodus Coleta A. Lawler 1971-4-11 260 Los Angeles Western Transverse Range; Santa Monica Mtns., on Mulholland Hwy NE of Lake Malibu 244 Comment
  POM1744  Astragalus trichopodus var. lonchus I. M. Johnston 1917-6-10 1319 Los Angeles Near Mesmer. 30 Comment
  RSA624073  Astragalus trichopodus var. phoxus L. C. Wheeler 1967-5-18 9655 Los Angeles Divide between Reynier and Placerita Canyon. 609 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
  SBBG20577  Atriplex argentea var. expansa E. R. Blakley 1963-12-7 6376 Los Angeles 200 yds SE of new air strip 60 Comment
  RSA251520  Atriplex californica R. F. Thorne 1973-4-12 42924 Los Angeles San Clemente Island, Horse Cove, S end of island. 5 Comment
  UCR116286  Atriplex confertifolia B. G. Pitzer 1998-5-23 3724 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
  SBBG128211  Atriplex coulteri M. L. Hoefs, S. A. Junak, R. Philbrick 2001-5-18 3174 Los Angeles near rd between Cottonwood Cyn and Black Jack Cmpgrd 225 Comment
  UCSB59410  Atriplex coulteri Ross, Tim; Mistretta, Orlando; Hammitt, Mike 1991-5-18 Los Angeles San Clemente Island; grassy flats 950 ft. WNW of Stone at the beginning of the Stone Canyon drainage 441 Comment
  UC56784  Atriplex lentiformis Ernest Braunton Oct 1902 710 Los Angeles Ballona Ballona (shore of lagoon) Comment
  RSA0104986  Atriplex leucophylla Steven A. Junak 1999-7-16 SCa- 1058 Los Angeles Santa Catalina Island. Behind beach at N side of Cottonwood Canyon mouth. 3 Comment
  SEINET4075437  Atriplex leucophylla B. C. Templeton 1939-1 7264 Los Angeles Dry bluffs at China Point, San Clemente Island. Comment
  SFV1079  Atriplex leucophylla P. G. Kilburn 1958-7-13 858 Los Angeles Malibu Beach, 0.25 miles west of Malibu Pier. Near Malibu Lagoon. Comment
  CAS-BOT-BC176359  Atriplex parryi W. R. Dudley; F. H. Lamb 1896-6-4 4320 Los Angeles Lancaster Comment
  RSA572377  Atriplex semibaccata F. H. Elmore 1939-11-24 s.n. Los Angeles Northwest Harbor, San Clemente Island. Comment
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Feb 25 2014
  UC625131  Atriplex semibaccata F. R. Fosberg 1931-3-26 S 4396 Los Angeles hillside above St. Catherine Hotel (Santa Catalina Island); Santa Catalina Island 10 Comment
  SD66894  Atriplex semibaccata R. Mitchel Beauchamp 1967-3-17 251 Los Angeles San Clemente Island; slope east of Wilson Cove. Comment
  SBBG128076  Atriplex suberecta M. L. Hoefs, S. A. Junak, R. Philbrick 2001-5-18 3173 Los Angeles near rd between Cottonwood Cyn and Black Jack Cmpgrd 225 Comment
  RSA188923  Atriplex subspicata R. F. Thorne, P. Everett 1965-6-23 s.n. Los Angeles Santa Catalina Island. Ben Weston Beach, W side of island. Comment
  RSA232702  Atriplex watsonii Larry E. DeBuhr, Gary Wallace 1972-9-1 686 Los Angeles San Clemente Island NW side of island. Comment
  RSA453977  Atriplex watsonii M. B. Dunkle 1939-4-5 7274 Los Angeles San Clemente Island: China Point, Pyramid Cove. Comment
  LA105404  Avena barbata Barry A. Prigge; 8507 Los Angeles between Falls Creek and Devil Canyon: ca 1 air mi NE of junction of Simi Valley Frwy and Topanga Canyon blvd 502 Comment
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Nov 11 2014
  RSA675880  Avena barbata LeRoy Gross 2003-3-9 787 Los Angeles Southwest side. A west-east trending ridge southwest of Flint Peak. Entered at west end, at Mount Carmel Drive, east of the (2) Glendale freeway., Between Chevy Chase Drive (Sycamore Canyon) to the north, and Glenoak Blvd. (Scholl Canyon) to the south. 357 Comment
  UC71000  Avena barbata Joseph Burtt Davy 1902-3-22 Los Angeles Claremont Comment
  UCD56113  Avena barbata A. A. Beetle 1942-4-18 3248 Los Angeles Foothill Blvd., 13 miles south of Pasadena. Comment
  UCR210018  Avena barbata R. G. Swinney 2008-12-2 9916 Los Angeles San Gabriel Mtns., mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east 177 Comment
  RSA385385  Avena fatua Howard Mullins 1931-3-13 s.n. Los Angeles L.A. [Los Angeles] Vacant Lots and waste places in the city, roadsides Comment
  SFV21766  Avena fatua L. Gross 2001-3-31 365 Los Angeles Verdugo Mountains South side of Verdugo Mountains at end of Olive Ave. Parked on Via Montana in Burbank, follow an old road that is overgrown that goes up to the main crest with Sunset Canyon to the west and Story Canyon to the east. On west-facing slope on old road above Sunset Canyon. 396 Comment
  CATA405  Azolla filiculoides Mark L. Hoefs, A. Douglas Propst & Robert F. Thorne 1974-9-12 532 Los Angeles Santa Catalina Island: Cottonwood Stream, above bridge at main road 22 Comment
  RSA0008308  Baccharis malibuensis James Henrickson 1991-9-11 22450 Los Angeles 6 (air) miles nw of Malibu, 1.2 miles nw of w end of Malibu Lake on the north eastern edge of a flat-toped hill 228 Comment
  CAS-BOT-BC98164  Baccharis salicifolia H. E. McMinn 1924-7-25 1327 B Los Angeles Catalina Island Comment
  POM350349  Baccharis salicifolia F. R. Fosberg 1931-5-7 4829 Los Angeles Cottonwood Canyon, Santa Catalina Island 200 Comment
  POM350357  Baccharis salicifolia Robert Gustafson 1980-8-29 1877 Los Angeles Ballona Wetlands, Area 3 Infrequent and scattered in Area 3. Comment
  RSA187694  Baccharis salicifolia R. F. Thorne, Gary D. Wallace 1966-9-14 36671 Los Angeles Santa Catalina Island. Bank along Cottonwood Creek near Isthmus road 30 Comment
  SEINET899248  Baccharis salicifolia Carson 1902-1 97 Los Angeles Los Angeles. Comment
  UCR131427  Baccharis salicifolia Alison Lipman 1998-5-3 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  SD112592  Bassia hyssopifolia Darley F. Howe 1938-8-2 729 Los Angeles Coast south of Long Beach. Comment
  RSA0048506  Berberis aquifolium Jack Pepper 1951-1-15 s.n. Los Angeles Canoga Park. 243 Comment
  RSA3831  Berberis nevinii C. B. Wolf 1927-7-27 682 Los Angeles 0.5 miles south of San Fernando Comment
  UCR149339  Berberis nevinii R. G. Swinney 1998-4-13 5970 Los Angeles San Gabriel Mtns., Claremont Hills Wilderness Park, 0.2 to 0.6 mi. (by road) NNW of north end of Mills Ave., on Cobal Canyon Rd. 543 Comment
  SD241718  Berula erecta R. G. Swinney 2009-5-8 10700 Los Angeles Transverse Range; San Gabriel Mountains; Azusa, El Encanto Azusa River Wilderness Park (Azusa 7.5'Q) 305 Comment
  CHSC98079  Beta vulgaris A. C. Sanders; Mark Elvin 2003-8-7 27158 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom east of Del Valle. Riparian forest, bordered by agricultural fields on alluvial slopes to the north. 282 Comment
  SBBG42726  Beta vulgaris R. N. Philbrick 1968-2-23 B 68 -3 Los Angeles Little Fisherman Cove Comment
  POM350842  Bidens frondosa Geo L. Moxley 1916-8-17 508 Los Angeles L.A. riverbed near Broadway Bridge Comment
  CAS-BOT-BC102044  Bidens laevis Volney Rattan 1883-1-1 1883 Los Angeles Los Angeles Comment
  RSA247403  Bituminaria bituminosa Wesley O. Griesel 1962-5-28 620 Los Angeles lower Millard Canyon near fire road 610 Comment
  SEINET3146114  Blepharipappus elegans G. B. Grant 1905-4-20 109 Los Angeles Pasadena Comment
  POM308892  Bloomeria crocea Kay H. Beach 1942-5-29 626 Los Angeles Near water tank above the San Dimas SRE. San Dimas Experimental Forest, U.S. Forest Dept. Comment
  RSA0051628  Bloomeria crocea Dennis Fordham 1951-5-20 s.n. Los Angeles Topanga, highway side near Kneen Place. 274 Comment
  RSA367303  Bloomeria crocea var. crocea Gus Glueckert 1937-5-3 s.n. Los Angeles Culver City Comment
  RSA367442  Bloomeria crocea var. crocea John Ingram 1950-5-6 104 Los Angeles Puente hills near Westmont tract, Pomona Comment
  RSA191189  Boechera californica R. F. Thorne, M. Z. Thorne 1967-7-19 37150 Los Angeles Angeles National Forest: Crystal Lake Recreation area, just above junction of roads to Crystal Lake and Angeles Crest Hwy. 1555 Comment
  RSA0082830  Boechera pulchra R. G. Swinney 2010-5-19 12785 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  LA204237  Boechera pulchra O. A. Plunkett; 1926-4-13 sn Los Angeles San Gabriel Mountains, Devil's Punch Bowl, Little Rock Comment
  UC314532  Boechera repanda Marcus E. Jones, A. M. 1926-7-8 Los Angeles San Antonio Peak Comment
  SEINET3162708  Boechera xylopoda M. D. Windham 2004-4-1 2960 Los Angeles SE of Pearblossom along Bobs Gap Rd. near Holcomb Ridge ca. 1.50 km NE of the summit (4272) of Holcomb Ridge. 1158 Comment
  CAS-BOT-BC30959  Bolboschoenus maritimus George B. Grant 1901-4-28 3844 Los Angeles Santa Monica Beach. Comment
  RSA653482  Bowlesia incana Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O Brien 2000-4-25 778 Los Angeles Verdugo Mountains, south side: Stough Canyon, Stough Park, above parking lot SW of intersection of Walnut Avenue and Lockheed View Drive, W of De Bell Municipal Golf Course, SE of Starlight Theater. 365 Comment
  UCR258593  Boykinia rotundifolia R. G. Swinney 2010-8-26 13594 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
  UCR150828  Brassica geniculata R. G. Swinney, Dave Larson 1999-5-15 7148 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  SD212529  Brassica nigra Jennifer H. Jones 2006-5-27 339 Los Angeles Foothills of San Gabriel Mountains: South Hills Park Glendora. East of Grand Avenue and South of Alostra Avenue. 244 Comment
  UC1126845  Brassica nigra A. D. Gifford 1934-5-15 243 Los Angeles between Escondido Canyon and Latigo Canyon (8/10 mi n of Ocean) 152 Comment
  CLARK-A1528-2299  Brassica rapa subsp. sylvestris John C. Roos 1943-2-7 Los Angeles West Los Angeles Comment
  RSA0126426  Brassicaceae Henry J. Ramsey, Henry J. Ramsey 1937-5-16 2172 Los Angeles Altadena, N. Craig Ave. Comment
  LA91512  Brickellia californica Bruce Douglas Clayton; Greg Clayton 1972-5-11 112 Los Angeles Santa Monica Mountains, Temescal Canyon, Mountain Park Research Campus, S side of Castle 548 Comment
  POM351121  Brickellia californica Geo C. Johnstone 1927-10-30 s.n. Los Angeles upper part of Big Tujunga Canyon Comment
  UCR119834  Brickellia californica Jeremiah George 2001-7-20 s.n. Los Angeles South Coastal Plains Region, Palos Verdes Peninsula, Rancho Palos Verdes, Forrestal Quarry, open space north of Forrestal Dr. near the boundary with Rolling Hills 244 Comment
  UCR95761  Brickellia californica Lauren Raz, Steve Boyd 1996-10-23 026 Los Angeles Liebre Mtns, Entrance to Ruby Canyon on FS Rd 6N24, 1/10 mi from junction with Lake Hughes Road 610 Comment
  RSA0105392  Brickellia californica Henry J. Ramsey, Henry J. Ramsey 1940-10-13 793 Los Angeles Angeles Crest Highway. Mt. Range: San Gabriel. 1524 Comment
  RSA164855  Brickellia microphylla Wesley O. Griesel 1962-9-14 739 Los Angeles Hwy 2, Between Islip Saddle and Dawson Saddle 2133 Comment
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Feb 7 2008
  CAS-BOT-BC106129  Brickellia nevinii F. Grinnell Jr. 1911-9-29 s.n. Los Angeles Bailey Canyon [Canon] - San Gabriel Mts. 762 Comment
  POM46873  Brickellia nevinii F. W. Peirson 1924-12-5 5382 Los Angeles San Gabriel Peak at head of Eaton Canyon 1646 Comment
  SBBG119324  Brickellia nevinii S. D. White 2000-10-22 8138 Los Angeles San Antonio Cyn, N of Shinn Rd (Mountain Ave) crossing; T1N R8W S12 793 Comment
  UC73946  Brickellia nevinii Rev. J. C. Nevin Los Angeles Newhall Mts. Comment
  SEINET12053181  Brodiaea coronaria Unknown 1933-1 8465 Los Angeles near Los Angeles Comment
  RSA596336  Bromus Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3379 Los Angeles Big Rock Creek Canyon, along stream and immediately adjacent flats and slopes; ca 130m N to 250m NNW of Icy Springs. 1713 Comment
  RSA12272  Bromus arizonicus C. B. Wolf 1934-4-11 5646 Los Angeles Bryant Ranch. E. of Long Beach. 2 Comment
  UCD57681  Bromus arizonicus John Thomas Howell 1956-3-21 31124 Los Angeles Foothill Blvd. and Williams St. West of Claremont. Comment
  POM363995  Bromus berteroanus M. B. Dunkle 1940-3-12 7424 Los Angeles San Clemente Island: 2nd canyon S. Comment
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May 16 2008
  RSA199174  Bromus carinatus R. F. Thorne, D. Propst 1968-5-29 37692 Los Angeles Santa Catalina Island: upper Cape Canyon below reservoir 305 Comment
  RSA385307  Bromus carinatus Anonymous 1914-6-29 s.n. Los Angeles Inglewood. Comment
  SD186029  Bromus carinatus A. C. Sanders, Helen Kennedy 2005-4-13 29439 Los Angeles Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 456 Comment
  RSA0087238  Bromus diandrus R. G. Swinney 2010-4-28 12381 Los Angeles 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
  RSA591905  Bromus diandrus L. C. Wheeler 1967-5-8 9311 Los Angeles Liebre Mountains. Foothills northeast of Saugus. 381 Comment
  RSA641639  Bromus diandrus L. C. Wheeler 1967-5-3 9802 Los Angeles Sycamore Flat Campground, Big Rock Creek. 1311 Comment
  UCR192204  Bromus diandrus A. C. Sanders 2008-4-16 34899 Los Angeles Tehachapi Mtns. Foothills/ W Mojave Desert, west end of Antelope Valley, hills c. 1.25 mi. NE of Quail Lake, c. 0.7 mile north of Hwy 138 1000 Comment
  CAS-BOT-BC155591  Bromus grandis Louis C. Wheeler 1933-7-4 1894 Los Angeles San Dimas Canyon, San Gabriel Mountains. 533 Comment
  RSA17068  Bromus grandis C. B. Wolf 1936-5-27 7845 Los Angeles Indian Canyon Camp, 2 miles off Soledad Canyon 915 Comment
  UCSB70460  Bromus grandis Gross, LeRoy; Soza, Valerie 2001-6-6 Los Angeles Los Angeles Basin region: Verdugo Mountains, north side; Hostetter Mountain Way, off of La Tuna Canyon Road 671 Comment
  SD252235  Bromus madritensis Steven A. Junak 1999-5-22 Sca 1002 Los Angeles Santa Catalina Island. At end of Goat Harbor, W fork of canyon. 54 Comment
  LA13777  Bromus madritensis Carl Epling; April 1931 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  UCR104098  Bromus madritensis subsp. madritensis Scott D. White 1997-5-21 5211 Los Angeles San Gabriel Mtns., San Gabriel River Canyon: north of Azusa, slope above Hwy 39, above San Gabriel Reservoir 488 Comment
  UC1131239  Bromus madritensis subsp. rubens A. D. Gifford 1935-5-8 669 Los Angeles Angeles National Forest, top of Whitaker Peak Whitaker Peak; Angeles National Forest, Whitaker Peak 1249 Comment
  UCD59528  Bromus rubens Jack Delaini; Barbara Shervanick 1974-3-22 76 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. 792 Comment
  SBBG56643  Bromus tectorum R. Hoffmann 1929-5-21 Los Angeles border of Hughes Lake Comment
  UCD33245  Bromus tectorum Beecher Crampton 1967-5-22 7953 Los Angeles Los Angeles County, 15 iles north of Castaic, US Hwy. 99, Angeles Natl. forest, oak flat campground area. 853 Comment
  UCR126819  Bromus tectorum A. C. Sanders, Mark A. Elvin 2003-6-18 26958 Los Angeles Santa Susana Mountains, Western Transverse Range, around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon 1037 Comment
  UCR205197  Bromus tectorum R. G. Swinney 2008-4-30 8705 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Monroe Canyon 549 Comment
  POM246462  Calandrinia ciliata F. R. Fosberg 1931-4-15 S 4639 Los Angeles Santa Catalina Island. Eagle's Nest, Middle Ranch Canyon. 180 Comment
  RSA748668  Calandrinia ciliata R. G. Swinney 2008-3-31 8588 Los Angeles Glendora Mountain summit 1003 Comment
  UCR205115  Calandrinia ciliata R. G. Swinney 2008-4-16 8677 Los Angeles San Gabriel Mtns., San Dimas, Spring Canyon, north end between east and west forks of canyon 393 Comment
  RSA613601  Calandrinia ciliata L. C. Wheeler 1968-4-13 s.n. Los Angeles San Gabriel Mountains: Saddle on ridge south of mouth of Big Dalton Canyon. 480 Comment
  SD252354  Calandrinia ciliata Steven A. Junak 2000-4-15 Sca 1204 Los Angeles Santa Catalina Island: on W side of road to Lone Tree, ca. 0.1 mile from junction w/ Divide Road; on open ridgetop. 479 Comment
  CAS-BOT-BC80413  Calocedrus decurrens J. H. Thomas 1957-3-7 6494 Los Angeles San Gabriel Mts., about 1 mile beyond Charlton Flat; about 13 miles NE of Pasadena 1493 Comment
  POM8271  Calochortus albus Philip A. Munz, R. D. Harwood 1920-5-17 3977 Los Angeles Topango Canon [now Topanga Canyon]. Santa Monica Mountains. 91 Comment
  CAS-BOT-BC132281  Calochortus catalinae Henry J. Thompson 1951-5-13 1475 Los Angeles Triunfo Canyon, Santa Monica Mts., western Los Angeles Co., near Cornell 274 Comment
  SEINET3364116 Image available Calochortus catalinae Marcus E. Jones 1982-5-1 3212 Los Angeles Los Angeles Comment
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Sep 16 2014
  UC72272  Calochortus clavatus Miss Elizabeth Palmer 1904-5-29 Los Angeles near San Fernando Comment
  RSA596049  Calochortus clavatus var. clavatus Timothy S. Ross, J. Mark Porter 1995-5-4 8415 Los Angeles Texas Canyon: NE of Bouquet Canyon Road. 555 Comment
  CAS-BOT-BC226265  Calochortus invenustus Timothy S. Ross; Darin Banks 1994-6-21 7984 Los Angeles San Gabriel Mountains. Vicinity of Pacifico Mountain: descending northerly ridge with Tie Canyon on the W, an upper tributary of Santiago Canyon on the E; ca 2175 m NW of Pac. Mtn's 7124-foot summit 1938 Comment
  UCR190907  Calochortus invenustus R. G. Swinney 1998-7-2 6239 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  RSA97698  Calochortus invenustus R. M. Straw 1954-6-16 628 Los Angeles Horse Flats Road, off Angeles Crest Hwy, Angeles National Forest. Comment
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Oct 7 2011
  HSC15355  Calochortus luteus Paul Shields Jun 1955 Los Angeles 5 S of Sommerset Comment
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Oct 30 2013
  POM258742  Calochortus plummerae Marion Ownbey, Ruth P. Ownbey 1938-6-27 1666 Los Angeles Mouth of Los Alisos Canyon, Santa Monica Mountains. Comment
  SBBG57747  Calochortus plummerae D. I. Cooke 1938-7-9 86 Los Angeles Topanga Cyn Comment
  UCSB635  Calochortus plummerae Wedberg, H. 1957-6-15 Los Angeles Latigo Canyon, 2 mi. from 101 Comment
  RSA377432  Calochortus splendens F. R. Fosberg 1931-5-21 S- 4944 Los Angeles Johnsons Landing, Santa Catalina Island. Comment
  RSA716618  Calochortus venustus Andrea Edwards, Pam De Vries 2006-5-15 108 Los Angeles triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  SBBG69699  Calyptridium monandrum M. N. Ackley 1926-5-8 777 Los Angeles Little Rock 914 Comment
  UCR281638  Calyptridium monandrum R. G. Swinney 2014-5-8 16457 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
  UCSB22093  Calystegia occidentalis Wilken, Dieter 1967-7-15 Los Angeles Near summit of Mt. Gleason west of Mill Creek Summit in the San Gabriel Mtns. 1981 Comment
  RSA642420  Calystegia occidentalis subsp. fulcrata Orlando Mistretta 1995-6-23 1841 Los Angeles San Gabriel Mountains: Lookout Mountain trail. 1814 Comment
  CAS-BOT-BC215912  Calystegia peirsonii Timothy S. Ross; Steve Boyd 1994-5-24 7850 Los Angeles North slopes draining toward Elizabeth Lake, south slopes toward Green Valley, Northeast summit of Grass Mountain, Liebre Mountains 1389 Comment
  CAS-BOT-BC215915  Calystegia peirsonii Timothy S. Ross; Steve Boyd 1994-5-25 7949 Los Angeles Hanging basin ca 470-830 m W of Warm Springs Mtn. Summit. The collections from ca 600-800 m WSW of summit, Necktie Basin, Liebre Mountains 1075 Comment
  UCR126760  Calystegia peirsonii A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26128 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
  RSA71111  Calystegia soldanella F. W. Peirson 894 Los Angeles Ballona Comment
  RSA729727  Camissonia R. G. Swinney 1999-6-18 7329 Los Angeles San Gabriel Mtns.: Boulder Canyon north of Big John Flat. 1573 Comment
  SEINET4680883  Camissonia bistorta A. C. Sanders, Helen Kennedy 2005-4-13 29490 Los Angeles Western San Gabriel/Liebre Mountains. Region: Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyon.; 0 457 Comment
  UCR217413  Camissonia bistorta R. G. Swinney 2009-3-6 10054 Los Angeles San Gabriel Mtns. Foothills/San Gabriel Valley, 1.2 miles north of Foothill Blvd. on east side of Encanto Parkway, confluence of Van Tassel and San Gabriel canyons at west bank of San Gabriel River channel, Azusa/Duarte boundary 201 Comment
  POM32003  Camissonia bistorta C. F. Baker 1903-4-1 4119 Los Angeles Claremont. Comment
  POM50049  Camissonia californica L. R. Abrams 1901-4-3 1271 Los Angeles Santa Monica Mountains. Comment
  RSA654037  Camissonia californica Valerie L. Soza, Laura Moore 2000-5-10 850 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines, W of peak ''1936''. 564 Comment
  CHSC106704  Camissonia campestris subsp. campestris Barbara Ertter; L. Heckard, T. Sholars, J. Hickman, et al. 1988-5-23 7478 Los Angeles Pine Canyon Rd along San Andreas fault on N side of San Gabriel Mts (Co Rd N2). Comment
  RSA725110  Camissonia campestris subsp. campestris Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -53 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
  UC1871173  Camissonia campestris subsp. campestris T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4840 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  RSA0087059  Camissonia hirtella R. G. Swinney 2010-4-28 12382 Los Angeles 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
  RSA582477  Camissonia hirtella Tim S. Ross, Steve D. Boyd 1993-5-23 7237 Los Angeles Lower, easterly ridge of Red Mountain, on northerly slope ca 380 m SE of the saddle between Ruby and Clearwater canyons. 963 Comment
  RSA747773  Camissonia hirtella Scott D. White, Justin M. Wood 2009-5-6 12671 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  SEINET238518  Camissonia hirtella A. C. Sanders, D. Malueg 1998-6-24 22069 Los Angeles San Gabriel Mtns.: E of Big Tujunga Dam below Hwy 2 and above Tujunga Cyn. Rd. ridge above Josephine Creek So. Cal Edis 976 Comment
  RSA587457  Camissonia pallida subsp. pallida Orlando Mistretta 1995-4-11 1613 Los Angeles San Gabriel Mountains. Santiago canyon. Canyon and slopes draining W slopes of Santiago Canyon ca. 1 mi. SW of confluence with Little Rock Creek. 1098 Comment
  CHSC8282  Camissoniopsis bistorta Edward L. Smith 1957-4-18 206 Los Angeles In a wash, Pomona College, Claremont. 365 Comment
  UCR166276  Camissoniopsis bistorta Scott D. White 1996-3-18 3839 Los Angeles Marina del Rey area, Ballona Creek, floodplain and adjacent N-facing slope, west of Lincoln Blvd. and south of Jefferson Blvd. 30 Comment
  UC20436  Camissoniopsis cheiranthifolia subsp. suffruticosa J. H. Barber 1897-1-25 24 Los Angeles So. Santa Monica Comment
  RSA0094548  Camissoniopsis confusa Richard G. Swinney 2011-6-6 15002 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  CAS-BOT-BC160520  Camissoniopsis guadalupensis subsp. clementina Peter H. Raven 1962-7-10 17954 Los Angeles Due west of Wall 2. San Clemente Island Comment
  UCR46150  Canbya candida Kathy Harper 1986-5-16 s.n. Los Angeles Mojave Desert/N slope of San Gabriel Mtns, Pinon Hills, first wash on Smoke Tree Road, east of Hwy 138 1220 Comment
  UCSB22515  Canbya candida Anthony, Jean 1965-5-7 Los Angeles 213th Street just south of Highway 138 east of Pearblossom 914 Comment
  CATA625  Capsella bursa-pastoris Mark L. Hoefs 1991-4-8 1078 Los Angeles Santa Catalina Island: Side canyon (Rattlesnake Canyon) of upper Avalon Canyon 146 Comment
  RSA724803  Cardamine californica K. Dobry 1992-4-14 d- 1136 Los Angeles Camp Shalom. West Santa Monica Mts along Arroyo Sequit. 5 mi No of Pacific Coast Hwy. Comment
  SBBG72222  Cardamine californica M. N. Ackley 1931-2-22 128 Los Angeles San Dimas Cyn 457 Comment
  UC1595296  Cardamine oligosperma Tim Ross 1991-3-10 4213 Los Angeles e side RSA (Bernard Field Station, e side Rancho Santa Ana Botanic Garden); Claremont, Bernard Field Station, e side Rancho Santa Ana 391 Comment
  POM434  Cardionema ramosissimum Daniel L. Crawford, H. D. Hiatt 1916-3-30 s.n. Los Angeles Santa Monica, fields near city. Comment
  RSA483717  Carduus pycnocephalus Richard Noyes, L. Arnseth 1988-4-30 510 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Dry drainage bed 100 meters east of Thompson Creek Dam. 500 Comment
  UCR271179  Carex R. G. Swinney 2011-9-27 15696 Los Angeles San Gabriel Mountains, Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2384 Comment
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Sep 12 2018
  CAS-BOT-BC17655  Carex alma Tim Ross; Steve Boyd 1991-4-25 4597 Los Angeles San Gabriel Mountains.. 557 Comment
  CAS-BOT-BC17675  Carex alma Fay A. Mac Fadden 1933-6-1 11008 Los Angeles La Tuna Canyon, beyond Belmont Country Club. Comment
  RSA748465  Carex alma R. G. Swinney 2001-8-27 8089 Los Angeles 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2463 Comment
  UCR150589  Carex alma L. C. Wheeler 1966-10-1 8933 Los Angeles San Gabriel Mtns., Millie's Orchard, lower Colby Ranch, Coldwater Canyon 1006 Comment
  CAS-BOT-BC17690  Carex alma George B. Grant 1906-6-15 6692 Los Angeles Summit Mount Wislon. Comment
  RSA577529  Carex alma L. C. Wheeler 1933-5-5 1690 Los Angeles San Gabriel Mountains: Fish Canyon. 274 Comment
  UCR177737  Carex barbarae LeRoy Gross, N. Fraga, S. Williams 2002-7-17 560 Los Angeles Transverse Ranges: Verdugo Mountains Region, North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road 295 Comment
  SEINET11631100  Carex fracta J. F. Bright, Wyman, C. 1931-1 5559 Los Angeles Lake Arrowhead in San Bernadino Mountain Range Comment
  CAS-BOT-BC20861  Carex globosa Louis C. Wheeler 1932-7-2 897 Los Angeles San Gabriel Mountains.Browns Flat-Fern Canyon water trail. 1219 Comment
  UCR190759  Carex pellita R. G. Swinney 1999-7-5 7498 Los Angeles San Gabriel Mtns., head of Cedar Canyon, meadow on north side of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2 2037 Comment
  CAS-BOT-BC118413  Carex praegracilis LeRoy Abrams 1903-4-10 3239 Los Angeles Coast marshes near Mesmer Comment
  RSA717350  Carex praegracilis Scott D. White, Pam DeVries 2006-5-9 11417 Los Angeles Gorman area, valley & slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  UCR180151  Carex praegracilis Scott D. White, Andrea Warniment 2006-7-7 11613 Los Angeles SE Tehachapi Mtns, Gorman area, Gorman Creek NE of the I-5 Freeway 1098 Comment
  UCR209961  Carex praegracilis R. G. Swinney 2008-7-15 9239 Los Angeles San Gabriel Mtns., Buckhorn Canyon 200 m north of Burkhart Saddle trailhead 1927 Comment
  RSA230249  Carex schottii Robert F. Thorne 1969-7-2 38252 Los Angeles San Gabriel Mts., Angeles National Forest: East Fork of Alder Creek, Charlton Flat burn (of 1954) 1584 Comment
  RSA304162  Carex senta N. Kellam 1974-4-20 s.n. Los Angeles Malibu Creek area, 0.25 mile SE of Tapia Park 274 Comment
  UC72472  Carex senta W. H. Brewer 1861-2-19 218 Los Angeles Santa Susana Mountains, in canyon N of Camp 14 Comment
  RSA656249  Carex spissa Steve Archer 1977-5-20 12 Los Angeles Verdugo Mountains: Dead-end street near (last canyon) where the 210 Freeway and La Tuna Canyon meet, La Crescenta 273 Comment
  CAS-BOT-BC116600  Carex subfusca Robert F. Thorne; M. Z. Thorne 1969-7-9 38559 Los Angeles San Gabriel Mts. Angeles National Forest, at Big Pines. 2087 Comment
  SEINET11638295  Carex subfusca J. F. Bright, Wyman, C. 1933-1 8353 Los Angeles Boquet Canyon Comment
  POM9537  Carex triquetra Phillip A. Munz 1900-4-21 3711 Los Angeles San Dimas Canyon. 457 Comment
  SBBG108413  Carex tumulicola T. Ross 1995-5-21 8612 Los Angeles West fork at head of Snail Cyn, of slope Triangulation Pt, margin of draw bottom 237 Comment
  SFV1129  Carpobrotus chilensis K. A. Wilson 1961-3-12 1003 Los Angeles Zuma Beach. On sand above tide line. 3 Comment
  CAS-BOT-BC230123  Carpobrotus edulis Peter H. Raven; Henry J. Thompson 1958-9-19 13718 Los Angeles Santa Monica Mountains. Along United States Highway 101, 0.2 mile E of turn to Zuma Beach 45 Comment
  LA33786  Carpobrotus edulis Peter H. Raven; Henry J. Thompson 1958-9-19 13718 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
  CATA1964  Castilleja affinis F. R. Fosberg 1931-3-25 4362 Los Angeles Santa Catalina Island: Hamilton Canyon 10 Comment
  RSA485423  Castilleja applegatei subsp. martinii Steve D. Boyd, Thomas S. Elias 1987-4-14 2042 Los Angeles San Gabriel Mountains, Rincon - Red Box Road, S of Rincon Forest Station, N. of Glendora Comment
  SFV3416  Castilleja exserta K. A. Wilson 1961-3-14 1022 Los Angeles Santa Monica Mountains Mulholland Highway, 0.5 miles west of Seminole Hot Springs. Small valley with running stream. 290 Comment
  UCR182695  Castilleja exserta R. G. Swinney 1998-4-11 5931 Los Angeles San Gabriel Mtns, Claremont, 0.5 to 1 mi. NE of Padua Hills Restaurant, which is on Padua Dr. 793 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
  RSA80235  Castilleja exserta subsp. exserta F. W. Peirson 1917-5-13 1163 Los Angeles Little Rock, north base of San Gabriel Mts. Comment
  LA94869  Castilleja exserta subsp. venusta K. Larson; J. Neel 1950-4-15 1 .4 Los Angeles 2 mi. SE of intersection of Mulholland Drive and Beverly Glen Blvd Comment
  RSA0012416  Castilleja foliolosa Orlando Mistretta, Christine Mistretta 2011-6-16 5698 Los Angeles Northern edge of San Gabriel Mountains, Along Southern California Edison transmission line corridor, 0.5 air miles N of Aliso Canyon Rd. 1141 Comment
  UC103561  Castilleja foliolosa T. S. Brandegee 1890-5-12 Los Angeles Santa Catalina Island Comment
  UC1211049  Castilleja foliolosa Huron H. Smith 1912-5-31 5056 Los Angeles Pebble Beach Road, Santa Catalina Island; Santa Catalina Island 7 Comment
  HSC20512  Castilleja foliolosa C. S. Apperson 1967-6-15 Los Angeles 4 mi. up Haskell Canyon Rd. off Bouquet Canyon Rd. Comment
  RSA522957  Castilleja foliolosa Tim S. Ross, Orlando Mistretta 1990-10-26 3325 Los Angeles E Fork of the San Gabriel River, ca. 4/10 air-mile SE of the mouth of Williams Canyon, Glendora Mountain Road. 537 Comment
  CAS-BOT-BC32534  Castilleja gleasoni Adolph Daniel Edward Elmer 1902-6-1 3659 Los Angeles Acton, Mt. Gleason Comment
  RSA0005954  Castilleja gleasoni A. D. E. Elmer 1902-06 3659 Los Angeles Acton. Mt. Gleason. 829 Comment
  UCR159699  Castilleja miniata subsp. miniata Orlando Mistretta 1992-7-14 715 Los Angeles Transverse Ranges, San Gabriel Mtns: Gold Canyon Trail, Tujunga Ranger District Comment
  SEINET7063579  Castilleja minor A. G. Vestal 1947-4-8 s.n. Los Angeles Open bush country. Sierra Pelona Valley. Vasquez Rock County Park. UTM Zone 11, 377984mE, 3815639mN. (WGS84/NAD83). 698 Comment
  JEPS16153  Castilleja minor subsp. spiralis Rimo Bacigalupi with G. T. Robbins and L. R. Heckard 1953-6-15 4207 Los Angeles 0.7 mi below Diamond Public Camp (junction (confluence of) n fork and main fork of Pacoima Creek); San Gabriel Mountains, Pacoima Creek 1055 Comment
  RSA646281  Castilleja minor subsp. spiralis Orlando Mistretta 1992-7-14 715 Los Angeles San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District. Comment
  RSA719586  Castilleja minor subsp. spiralis R. G. Swinney 1997-7-14 5674 Los Angeles Glendora, Big Dalton Canyon Debris Basin, Big Dalton Canyon 341 Comment
  RSA448769  Castilleja plagiotoma Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA628874  Castilleja plagiotoma Louis C. Wheeler 1968-4-17 s.n. Los Angeles Big Rock Creek, 3/4 mile north of Big Rock Springs. 1159 Comment
  UC1537564  Castilleja subinclusa subsp. subinclusa Gordon H. True Jr. 1935-3-27 180 Los Angeles 5 mi s Palmdale 914 Comment
  CAS-BOT-BC38144  Caulanthus amplexicaulis Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-25 3827 Los Angeles San Gabriel Mountains. Ridgetop to the west of Crystal Lake (ridge descending SSW from Mount Islip). 2036 Comment
  RSA746574  Caulanthus amplexicaulis R. G. Swinney 2008-5-13 8851 Los Angeles Devils Punchbowl Co. Park, Holcomb Canyon, 0.5 mi. south of Big Rock Creek Rd. 1293 Comment
  RSA596309  Caulanthus amplexicaulis var. amplexicaulis Timothy S. Ross, S. D. Boyd, Peter W. Fritsch 1990-6-11 3371 Los Angeles Big Rock Creek Canyon, along stream and immediately adjacent flats and slopes; ca 130m N to 250m NNW of Icy Springs. 1713 Comment
  NY42931  Caulanthus coulteri var. coulteri J. B. Walker 1995-3-30 1301 Los Angeles Angeles National Forest, Ridge Rt USFS 8N04, 10km S of Hwy 138 1300 Comment
  LA200340  Caulanthus heterophyllus Henry J. Thompson; 1959-4-12 1919 Los Angeles Santa Monica Mountains, Mulholland Hwy, 2 mi W of Las Virgenes Rd 304 Comment
  CAS-BOT-BC40215  Caulanthus lasiophyllus Carl B. Wolf 1928-3-29 1545 Los Angeles Foothills at south side of Antelope Valley, 2 miles south of Neenach. 1066 Comment
  UCR273268  Caulanthus lasiophyllus R. G. Swinney 2011-5-10 14654 Los Angeles San Gabriel Mountains, Los Pinetos Canyon, east end of Placerita Cyn. Natural Area at Walker Ranch 573 Comment
  UC1070745  Ceanothus A. Lewis Feb 1934 Los Angeles Pacoima Canyon Angeles National Forest, San Fernando Quad. Comment
  JEPS42101  Ceanothus Miss C. M. Hoak 1924-2-2 Los Angeles near Los Angeles, Gibbs Estate (cultivated) Comment
  POM247963  Ceanothus arboreus F. R. Fosberg 1931-3-23 s 4326 Los Angeles Hamilton Canyon 60 Comment
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Jun 5 2014
  RSA276094  Ceanothus arboreus Gary D. Wallace 1975-3-23 1406 Los Angeles Santa Catalina Island, along road from Avalon near head of Swain's Canyon 427 Comment
  CAS-BOT-BC48739  Ceanothus crassifolius Roxana S. Ferris 1941-3-9 10321 Los Angeles Pico Canyon, Santa Susana Mountains, about 2 miles west of U.S. Highway #99 Comment
  CAS-BOT-BC48746  Ceanothus crassifolius Geo. B. Grant 1901-1-1 s.n. Los Angeles So. Calif. From Mt. Lowe, S. Cal. Comment
  JEPS42402  Ceanothus crassifolius Frank W. Peirson 1919-1-19 302 a Los Angeles foot of Rubio Canyon; San Gabriel Mts., foot of Rubio Canyon 548 Comment
  RSA792773  Ceanothus crassifolius Justin M. Wood 2009-3-24 393 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave. and Foothill Blvd. Old restoration site, east of old infirmary. 405 Comment
  UC18261  Ceanothus crassifolius W. H. Brewer 295 Los Angeles Cahuenga Pass Comment
  UCR258815  Ceanothus crassifolius R. G. Swinney 2010-5-25 12974 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  POM8770  Ceanothus cuneatus P. A. Munz 1920-3-10 3334 Los Angeles Claremont. 366 Comment
  RSA399013  Ceanothus cuneatus Howard Mullins 1931-2-25 s.n. Los Angeles Griffith Park. Comment
  RSA77354  Ceanothus cuneatus var. cuneatus F. W. Peirson 1925-3-18 5471 Los Angeles Upper part of Mint Canyon, north base of San Gabriel Mts. Comment
  UC18461  Ceanothus greggii var. vestitus A. Davidson 1892-1 Los Angeles Comment
  CAS-BOT-BC50080  Ceanothus insularis Peter H. Raven 1962-5-20 17783 Los Angeles Santa Catalina Island: Airport Road on main ridge about 1.5 miles west of Middle Ranch turn-off Comment
  CAS-BOT-BC50164  Ceanothus integerrimus Bell Richardson Jackson 1941-6-1 s.n. Los Angeles Road up to Mt. Wilson, from La Canyada Comment
  POM184710  Ceanothus integerrimus Joseph A. Ewan 1932-6-17 7240 Los Angeles Summit San Gabriel Peak, San Gabriel Mountains. Comment
  IRVC26185  Ceanothus leucodermis A. C. Sanders, Mark A. Elvin 2003-6-18 26964 Los Angeles private dirt road along crest of range, above Salt Canyon Santa Susana Mountains, Western Transverse Range 976 Comment
  LA32016  Ceanothus leucodermis Peter H. Raven; 1959-3-1 13826 Los Angeles 396 Comment
  UCSB3914  Ceanothus leucodermis Kamb, Peter 1947-5-25 Los Angeles Millard Canyon near Sunset Ridge guard station, San Gabriel Mts 670 Comment
  RSA399111  Ceanothus megacarpus Louis C. Wheeler 1932-2-20 448 Los Angeles Mandeville canyon, Santa Monica mtns. 137 Comment
  RSA177818  Ceanothus megacarpus var. insularis Robert F. Thorne, Percy C. Everett 1965-5-10 34478 Los Angeles On E slope of Black Jack Mt. near Summit Road; Santa Catalina Island. Comment
  SD112040  Ceanothus megacarpus var. insularis Linda Allen, Betsy Carpenter 1975-3-21 Los Angeles Santa Catalina Island, on east slope Black Jack Mountain on Airport Road. Comment
  CAS-BOT-BC51424  Ceanothus megacarpus var. megacarpus John Thomas Howell 1928-3-2 3353 Los Angeles Griffith Park Comment
  LA43630  Ceanothus megacarpus var. megacarpus Harlan Lewis; 1940-2-24 1069 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon 304 Comment
  UC1184983  Ceanothus megacarpus var. megacarpus Huron H. Smith 1912-5-29 5031 Los Angeles Trail from summit, Santa Catalina Isl. 365 Comment
  CAS-BOT-BC50488  Ceanothus oliganthus Brandegee 1889-5-1 31 Los Angeles Pasadena Comment
  RSA0038926  Ceanothus oliganthus var. oliganthus R. G. Swinney 2009-3-10 10058 Los Angeles Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  RSA651872  Ceanothus oliganthus var. oliganthus Stephen Hill 1981-2-27 26 Los Angeles Hwy 39, 2.7 mi. N. of Morris Dam. Comment
  LA52232  Ceanothus spinosus A. M. Johnson; 1934-5-4 4459 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  LA91405  Ceanothus spinosus Bruce Douglas Clayton; Greg Shaw 1972-3-16 5 Los Angeles SANTA MONICA MOUNTAINS, upper Temescal and Rustic Canyons, Mountain Park Research Campus, Ceanothus Road near pull-out. 518 Comment
  SBBG54246  Centaurea melitensis F. C. Boutin 1967-4-23 1633 Los Angeles Wilson Cove Comment
  LA34840  Centaurea melitensis Mary V. Hood; 1937-1 37 30 - Los Angeles Santa Monica Mountains, Westwood, UCLA campus 121 Comment
  POM199567  Centaurea melitensis Fordyce Grinnell Jr. 1903-6-27 s.n. Los Angeles Arroyo Seco, Pasadena. Comment
  POM351503  Centaurea melitensis Robert Gustafson 1980-7-9 1800 Los Angeles Ballona Wetlands, Area 3. Comment
  POM199528  Centaurium venustum I. W. Clokey, Bonnie C. Templeton 1929-07 4574 Los Angeles Mandeville Canyon, Santa Monica Mountains. 200 Comment
  UCR261345  Centaurium venustum R. G. Swinney 2010-6-29 13378 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Food Control Basin, confluence of Big Tujunga Wash/stream with Hansen Lake 308 Comment
  UC481041  Centromadia pungens Katharine Brandegee Los Angeles Comment
  UCR220374  Cerastium glomeratum R. G. Swinney 2009-4-16 10360 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel Canyon, 0.3 to 0.6 miles NW (upstream) of confluence with San Gabriel River 280 Comment
  RSA250621  Cerastium glomeratum R. F. Thorne 1971-3-31 41440 Los Angeles Johnson s Pastures, N of Mountain Ave., Claremont. 549 Comment
  RSA597736  Ceratophyllum demersum T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3792 Los Angeles Vicinity of Crystal Lake 1677 Comment
  POM199706  Cercocarpus betuloides I. W. Clokey, Bonnie C. Templeton 1929-07 4596 Los Angeles Mandeville Canyon. 300 Comment
  RSA14712  Cercocarpus betuloides Fay A. MacFadden 1929-6-4 1069 Los Angeles Verdugo Mountains: Tuna Canyon. Comment
  RSA453282  Cercocarpus betuloides M. B. Dunkle 1940-9-4 s.n. Los Angeles Mill Creek. Comment
  RSA569187  Cercocarpus betuloides Bonnie C. Templeton, I. W. Clokey 1930-4-2 1431 Los Angeles Mulholland Dr., Northwest of Hollywood 600 Comment
  CAS-BOT-BC142146  Cercocarpus betuloides var. betuloides John Thomas Howell 1928-2-9 3338 Los Angeles On trail between Sierra Madre and Santa Anita Canyon - San Gabriel Mts. Comment
  CHSC95825  Cercocarpus betuloides var. betuloides Joseph Marlowe Keefe 2001-1-19 30948 Los Angeles South by southwest face of The Eagle Rock, Eagle Rock District, Los Angeles, CA 90041 304 Comment
  RSA17897  Cercocarpus betuloides var. betuloides W. R. Dudley, F. H. Lamb 1896-6-8 4402 Los Angeles Kings Canyon, Liebre Mts. Comment
  RSA587507  Cercocarpus betuloides var. betuloides Orlando Mistretta 1995-3-24 1567 Los Angeles San Gabriel Mountains: Carr canyon. 1280 Comment
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Jul 28 2014
  CAS-BOT-BC142141  Cercocarpus betuloides var. betuloides Marian L. Campbell 1921-3-29 129 Los Angeles On road to Santa Barbara. Comment
  RSA0042318  Cercocarpus betuloides var. blancheae Benjamin E Carter, John R. Clark 2012-8-9 6962 Los Angeles Channel Islands: Santa Catalina Island. Bulrush Canyon, between reservoirs and Salta Verde turnoff. 270 Comment
  UCD22488  Cercocarpus betuloides var. blancheae Brian Vanden Heuvel 2003-5-8 217 Los Angeles Santa Monica Mountains, in gulch at northwest corner of Mulholland Hwy. and Little Sycamore Canyon Rd. Comment
  CAS-BOT-BC147717  Cercocarpus betuloides var. traskiae James R. Shevock 1975-3-24 4076 Los Angeles Between Salta Verde and China Point. Santa Catalina Island 121 Comment
  SEINET6048893  Cercocarpus montanus Unknown Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  LA200181  Chaenactis artemisiifolia W. O. Griesel; 1936-4-19 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  POM351643  Chaenactis artemisiifolia Fay A. MacFadden 1931-5-25 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  RSA808  Chaenactis artemisiifolia J. T. Howell 1928-6-29 1001 Los Angeles Seminole Hot Springs Road, Santa Monica Mountains 457 Comment
  UC1595347  Chaenactis artemisiifolia Tim Ross 1992-5-17 6360 Los Angeles 740 m distant from the mouth of Shoemaker Canyon; San Gabriel Mountains, E Fork of the San Gabriel River 698 Comment
  UCD130350  Chaenactis fremontii Ira L. Wiggins 1966-4-15 20593 Los Angeles immediately east of J.F.L. Motel, Pearblossom. Comment
  UC1871091  Chaenactis glabriuscula var. glabriuscula T. S. Ross, Walter Appleby 1993-5-20 7181 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mountains: vicinity of Wilson Canyon Saddle; San Fernando quad: R15W T3N, NE/4 SE/4 sect. 9; elev. ca. 3120 ft. 951 Comment
  RSA0008383  Chaenactis glabriuscula var. orcuttiana William Jones 2010-4-12 BOE- 1439 Los Angeles Ballona Lagoon, west bank- between Outrigger and Privateer Streets, Venice 2 Comment
  UCR119056  Chaenactis glabriuscula var. orcuttiana Jeremiah George 2001-5-13 s.n. Los Angeles South Coastal Plains Region, Manhattan Beach, NW corner of town near El Segundo, corner of Highland and El Porto St. 3 Comment
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Aug 15 2016
  POM351807  Chaenactis santolinoides Anstruther Davidson 1923-8-1 s.n. Los Angeles Mt. Waterman 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
  UC57436  Chaenactis santolinoides J. H. Barber 1897-7-4 269 Los Angeles Mt. Gleason summit Mt. Gleason Comment
  UCR194286  Chaenactis santolinoides R. G. Swinney 1999-6-18 7300 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1768 Comment
  RSA763145  Chaenactis stevioides Justin M. Wood 2010-5-10 1630 Los Angeles Vicinity of Littlerock Creek; just southwest of intersection of Cheseboro Rd. and Mt. Emma Rd. 973 Comment
  UC284269  Chaenactis stevioides P. A. Munz 1923-5-26 6804 Los Angeles Big Rock Creek San Gabriel Mts., Big Rock Creek 1280 Comment
  JEPS59919  Chaenactis xantiana Lewis S. Rose 1968-4-5 68018 Los Angeles 10 mi e of Gorman; Mojave Desert 853 Comment
  UC579433  Chaenactis xantiana A. D. Gifford 1935-3-31 531 Los Angeles 5.6 mi nw of Redrock Mountain; Tejon 1280 Comment
  UCR238619  Chaenactis xantiana Anuja Parikh, Nathan Gale 2010-5-10 3148 Los Angeles Western Mojave Desert, Antelope Valley, under power transmission lines just south of Hwy 138, 0.4 km E of 140th St. West 785 Comment
  RSA739750  Chamaesyce albomarginata John Dittes 2006-6-5 1408 Los Angeles Transverse Ranges, San Gabriel Mtns, Peace Valley, E of Gorman Creek, 4.9 air miles NW of Pyramid Lake Dam, 6.7 air miles SE of Forman, 0.6 air miles N of Confluence of E side of Interstate Hwy5, N and E of Little Bear Road exit. 896 Comment
  UCSB42597  Chamaesyce albomarginata Rajala, Mary Ann 1980-5-25 Los Angeles Hungry Valley Road, 3.3 mi. west of Hwy. 5 981 Comment
  UCSB8660  Chamaesyce albomarginata McElwain, Isabelle 1953-3-8 Los Angeles East side of driveway 17090 Bull Canyon Rd., Granada Hills Comment
  RSA226902  Chamaesyce melanadenia R. F. Thorne 1971-6-17 39974 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  POM9661  Chamaesyce melanadenia P. A. Munz, R. D. Harwood 1920-3-13 3289 Los Angeles San Jose Hills 5 mi. W. of Pomona. 305 Comment
  RSA639151  Chamaesyce prostrata L. C. Wheeler 1973-7-14 s.n. Los Angeles Los Angeles: Great Western Exhibit Center near Atlantic and Washington Blvd. Comment
  UCR182271  Cheilanthes covillei R. G. Swinney 1998-4-14 6020 Los Angeles San Gabriel Mtns./Southern Mojave Desert, mouth of Mescal Canyon, c. 50 m SE of Mescal Canyon Reservoir, west side of stream 1476 Comment
  RSA526593  Cheilanthes newberryi Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4177 Los Angeles San Clemente Island: Upper reaches of China Canyon, S end of island, W side. Comment
  RSA550003  Chenopodium ambrosioides Scott D. White 1992-10-8 925 Los Angeles Malibu, base of Santa Monica Mountains, just N of Pacific Coast Highway, extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School. 91 Comment
  RSA0048210  Chenopodium ambrosioides L. E. Hoffman 1963-7-7 s.n. Los Angeles Malibu Lagoon. 0 Comment
  RSA423408  Chenopodium ambrosioides H. L. Bauer 1928-10-15 s.n. Los Angeles Long Beach. Comment
  UCSB69250  Chenopodium berlandieri Gross, LeRoy; Denslow, Michael; Hogshead, Bill; Swartzentruber, Sarah 2003-6-17 Los Angeles Transverse Ranges; Verdugo Mountains region; South side of mountains; Brand Canyon, below the large waterfall, where the canyon forks off; (Burbank 7.5 Quad.: T1N R13W S8, NW1/4) UTM Zone 11; 3783985N 0383011E 393 Comment
  POM681  Chenopodium berlandieri var. sinuatum D. L. Crawford 1915-7-1 s.n. Los Angeles Claremont. Comment
  UC519951  Chenopodium botrys Louis C. Wheeler 1933-7-7 1924 Los Angeles Lexington Wash 73 Comment
  RSA583077  Chenopodium californicum T. S. Ross 1993-4-22 6884 Los Angeles Santa Catalina Island. SW part of the island in the vicinity of Cactus Peak (1560 ft); 1000m ESE of Cactus Peak summit; large [rock] outcrop on NNW side of 1528-ft peak. 447 Comment
  SD185186  Chenopodium californicum A. C. Sanders 2005-5-11 30152 Los Angeles Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd. northwest of Forest Park between Mint and Bouquet Canyons. 609 Comment
  NY990881  Chenopodium californicum T. S. Ross 1992-6-15 6555 Los Angeles Whittier Hills (local name for the western extremity of the Puente Hills): upp end of urnbull Canyon. [Whiittier 7.5' USGS quadrangle] 294 Comment
  RSA478475  Chenopodium californicum George R. Johnstone 1930-4-7 s.n. Los Angeles San Francisquito Canon, public camp grounds. Comment
  RSA478495  Chenopodium californicum M. B. Dunkle 1939-4-6 7314 Los Angeles Mosquito Ridge, San Clemente Island Comment
  UCD169509  Chenopodium desiccatum R. G. Swinney 2009-7-22 11333 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  RSA608296  Chenopodium leptophyllum L. C. Wheeler 1946-8-29 6320 Los Angeles San Gabriel Mountains: North of Prairie Fork, 1/4 mile SE Blue Ridge Lookout. 2560 Comment
  UCR272917  Chenopodium macrospermum Steven A. Junak 2000-10-12 SCa- 1411 Los Angeles Channel Islands, Santa Catalina Island, north side of Thompson Reservoir 195 Comment
  RSA611534  Chenopodium macrospermum var. halophilum L. C. Wheeler 1968-9-16 s.n. Los Angeles Una Lake, near Palmdale. Comment
  POM155578  Chenopodium murale M. B. Dunkle 1928-4-9 1813 Los Angeles Santa Catalina Island. Back beach flat, Emerald Bay. 4 Comment
  RSA450810  Chenopodium murale A. C. Sanders 1987-12-4 7586 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  RSA534016  Chenopodium murale T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5297 Los Angeles San Clemente Island, westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft N of Rest [1336'] marker; 1800 ft SE of Malo Knoll [1396']) Upper portion of drainage 274 Comment
  RSA748059  Chenopodium pratericola R. G. Swinney 2005-7-21 8329 Los Angeles Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  RSA423250  Chenopodium strictum var. glaucophyllum Wm. Martin, R. Gustafson 1971-7-14 s.n. Los Angeles Crenshaw and Rodeo Blvd., Los Angeles. Comment
  SD215333  Chlorogalum pomeridianum Louis C Wheeler 1947-4-20 6469 Los Angeles San Gabriel Mountains: South side of Millard Canyon circa 1/4 mile westerly from Lincoln Avenue Water Company Reservoir. 609 Comment
  RSA641113  Chlorogalum pomeridianum var. pomeridianum Russell S. Woglum 1936-04 1287 Los Angeles Pasadena Comment
  CAS-BOT-BC252763  Chorizanthe parryi var. fernandina Vipul Joshi; Mark Elvin; Tricia Wotipka 2003-6-11 2940 Los Angeles Newhall Ranch, ridge ca 900 m SW of Airport Mesa, Val Verde 7.5' Q., N end of Santa Susana Mtns. 365 Comment
  CAS-BOT-BC252768  Chorizanthe parryi var. fernandina W. S. Lyon 1884-6-1 85 Los Angeles Los Angeles Comment
  UCR126776  Chorizanthe parryi var. fernandina Mark A. Elvin, Vipul Joshi, Tricia Wotipka 2003-6-11 2940 Los Angeles N end of Santa Susana Mtns., Newhall Ranch, ridge c. 900 m SW of 'Airport Mesa 366 Comment
  CAS-BOT-BC244660  Chorizanthe staticoides S. B. Parish 1901-4-5 594 Los Angeles San Jose Hills, near Claremont 274 Comment
  LA201780  Chorizanthe staticoides Arthur C. Gibson; 2001-5-30 4851 Los Angeles Comment
  UC849164  Chorizanthe staticoides Louis C. Wheeler 1932-6-12 821 Los Angeles San Dimas Canyon San Gabriel Mountains, San Dimas Canyon 548 Comment
  UCR109145  Chorizanthe staticoides L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains, Oak Spring Canyon 945 Comment
  UCR177525  Chorizanthe thurberi LeRoy Gross 2005-4-28 2136 Los Angeles San Gabriel Mountains, Ridgeline to Mt. Emma and canyon south of this ridge. W from Mt. Emma (NW trending ridge, lower part of ridgeline starts to turn SW) east of Mt. Emma Rd 1413 Comment
  UCR139146  Chorizanthe watsonii L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mtns./Mojave Desert, [0.5 mi. SE of Valerymo] 1159 Comment
  UCR276732  Chrysolepis sempervirens R. G. Swinney 2010-9-21 13850 Los Angeles San Gabriel Mountains, summit of Mt. Hawkins, at north end of Copter Ridge 2698 Comment
  IRVC26284  Cirsium occidentale Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2914 Los Angeles Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. Santa Susana Mtns. 915 Comment
  POM352146  Cirsium occidentale var. californicum V. V. Giles 1936-7-5 210 Los Angeles Crystal Lake Camp, San Gabriel Mts. Comment
  SFV12021  Cirsium occidentale var. californicum D. L. Koutnik 1978-3-27 164 Los Angeles San Gabriel Valley Claremont. Johnson's Pasture in Live Oak Canyon drainage at north end of Mountain Avenue. 579 Comment
  UCR271670  Cirsium occidentale var. californicum R. G. Swinney 2011-5-31 14921 B Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  POM246528  Cirsium occidentale var. occidentale F. R. Fosberg 1931-4-29 4709 Los Angeles Santa Catalina Island. Small canyon between Cottonwood and Middle Ranch Canyons 100 Comment
  RSA710731  Cirsium vulgare Valerie L. Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1351 Los Angeles Mesa Lila Rd, southeast side of Henderson Canyon. 427 Comment
  UCR256457  Cirsium vulgare R. G. Swinney 2010-9-9 13780 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
  UCR259040  Cistus incanus R. G. Swinney 2010-6-21 13306 Los Angeles San Gabriel Mountains, 0.2 miles east of Wilson Canyon Saddle, jct. of Santa Clara Truck Trail and Los Pinetos Spring Trail, on south side of Truck Trail 951 Comment
  LA202428  Cistus ladanifer Arthur C. Gibson; Tarja Sagar 2004-9-8 5086 Los Angeles Santa Monica Mountains, E of Corral Canyon Rd Comment
  RSA658406  Clarkia R. Aguayo 1992-5-22 1 Los Angeles 13.5 mi. north of Interstate 210 in Azusa on Sate Hwy. 39 to gated road along West Fk. San Gabriel Riv. 0.25 mi. west of gate, a roadside. 884 Comment
  POM8579B  Clarkia bottae P. A. Munz, R. D. Harwood 1920-5-15 3927 Los Angeles Santa Monica. Dry hillside, Coldwater Canyon. 305 Comment
  UCR209132  Clarkia dudleyana R. G. Swinney 2008-6-24 9097 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  SFV20973  Clarkia epilobioides L. Gross, B. Hogshead, V. Soza 2003-5-29 950 Los Angeles Verdugo Mountains West end of Verdugo Mountains at junction (saddle) of Verdugo Motorway and Wildwood Fire Road (abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago). Went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Motorway). 564 Comment
  UC206789  Clarkia epilobioides Katharine Brandegee Los Angeles Santa Catalina Island Comment
  RSA73332  Clarkia epilobioides Joseph A. Ewan 1930-5-18 2376 Los Angeles Wolfskill Canyon, off San Dimas Canyon. Comment
  OBI70665  Clarkia heterandra Steve Boyd, Lauren Raz 1997-5-20 9795 Los Angeles Liebre Mts Region: N flank of Sawmill Mtn, upper Heryford Cyn drainage, just NE of Sawmill Summit at the jctn of Forest Svc rds &N23 and &N08 1585 Comment
  RSA512035  Clarkia purpurea subsp. quadrivulnera Louis C. Wheeler 1967-5-18 9645 Los Angeles Angeles National Forest; Placerita Canyon. 518 Comment
  SBBG31231  Clarkia purpurea subsp. quadrivulnera R. F. Thorne 1965-5-10 34518 Los Angeles near upper end of Gallagher Cyn 426 Comment
  POM3111  Clarkia purpurea subsp. viminea J. F. Illingworth 1898-06 39 Los Angeles Claremont Canyon. 610 Comment
  RSA73354  Clarkia rhomboidea Louis C. Wheeler 1932-7-2 901 Los Angeles Browns Flat, San Gabriel Mts. 1311 Comment
  CHSC95869  Clarkia unguiculata LeRoy Gross 2001-5-6 383 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Along trail that comes up from Morning Glow Way off of La Tuna Canyon Rd. city of Sun Valley. Comment
  RSA0073360  Clarkia unguiculata R. G. Swinney 2010-6-21 13304 Los Angeles 0.2 miles east of Wilson Canyon Saddle, jct. of Santa Clara Truck Trail and Los Pinetos Spring Trail, on south side of Truck Trail. 951 Comment
  UCR265510  Clarkia unguiculata Dan S. Cooper 2015-4-3 315- 17 Los Angeles Los Angeles Basin/Western Transverse Range, Griffith Park area, Los Angeles, south edge of Forest Lawn Dr. adjacent to Forest Lawn Cemetery 159 Comment
  UCR186764  Claytonia parviflora T. B. Salvato, Sandra Murcia 2007-3-28 2007 Los Angeles San Gabriel Mountains, Santa Anita Reservoir, proposed 4-acre sediment placement site, east side of the channel and 0.4 mi south of the Elkins Avenue entrance gate 680 Comment
  UC1136719  Claytonia perfoliata subsp. intermontana G. T. Nordstrom 1935-4-4 380 Los Angeles 2.8 mi w Gorman; Tejon Quad. 1310 Comment
  RSA466691  Claytonia perfoliata subsp. mexicana Paul Currie 1969-1 34 Los Angeles Tapia Park, Malibu Hills, Santa Monica Mountains 610 Comment
  SFV22034  Claytonia perfoliata subsp. perfoliata V. Soza, L. Gross, B. Hogshead 2001-4-18 1152 Los Angeles Verdugo Mountains Verdugo Mountains. Ridgetop above McDonald Creek. North-northwest-facing upper slope of ridgetop. 412 Comment
  CAS-BOT-BC91379  Clematis lasiantha Geo. B. Grant 1900-6-1 s.n. Los Angeles Mount Lowe. Comment
  CAS-BOT-BC91382  Clematis lasiantha Le Roy Abrams 1901-4-3 1306 Los Angeles Santa Monica Mountains. 304 Comment
  RSA599601  Clematis lasiantha Steve Boyd, Lauren Raz 1997-3-31 9405 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 914 Comment
  RSA169046  Cnicus benedictus S. Carlquist 1956-8-2 135 Los Angeles Near roadside, Brea Canyon road at Diamond Bar Ranch Comment
  SEINET879440 Image available Coldenia angelica E. Palmer 1887-1 517 Los Angeles Near Los Angeles Bay. Comment
  RSA599321  Collinsia bartsiifolia var. davidsonii Steve D. Boyd, Lauren Raz 1997-3-26 9352 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
  RSA0121222  Collinsia bicolor E. A. Purer, Freda Detmers 1931-3-15 s.n. Los Angeles Palos Verdes Hills. Comment
  RSA729535  Collinsia childii R. G. Swinney 1998-6-16 6972 Los Angeles San Gabriel Mtns.: c. 0.6 mi. north of Cow Cnyon Saddle (Glendora Ridge Rd. at Cow Canyon Rd.) near trail to Lookout (Antonio) Mtn. 1524 Comment
  RSA79799  Collinsia childii F. W. Peirson 1920-5-28 2156 Los Angeles Bear Canyon, trail to San Antonio Peak, San Gabriel Mountains 1372 Comment
  RSA191108  Collinsia heterophylla Robert F. Thorne, M. Z. Thorne 1967-6-25 37107 Los Angeles San Gabriel Mountains; upper Evey Canyon. 823 Comment
  RSA729090  Collinsia heterophylla R. G. Swinney, D. W. Larson 1999-7-21 7567 Los Angeles San Gabriel Mtns.: upper Fern Canyon, San Dimas Experimental Forest, from Fern Dam #1 to 3, NE Browns Flat. 1439 Comment
  UC885545  Collinsia heterophylla I. W. Clokey, E. G. Anderson 1935-5-9 6872 Los Angeles Pomona Hills Comment
  UC885564  Collinsia torreyi var. brevicarinata Carl Epling, Nesta Dunn, Alice Goen 1931-5-16 Los Angeles Big Pines Camp; San Gabriel Mtns Comment
  RSA654218  Collinsia torreyi var. wrightii Valerie L. Soza, LeRoy Gross 2000-5-23 950 Los Angeles East of Kelly Camp, W of Bighorn Peak, 0.7 miles from Icehouse Saddle along Ontario Peak Trail. 2378 Comment
  RSA226086  Colutea arborescens R. F. Thorne, Tilforth 1971-6-17 39919 Los Angeles Angeles National Forest; at Bear Divide station 822 Comment
  RSA656202  Conium maculatum Joseph M. Keefe 1976-5-8 20150 Los Angeles San Rafael Hills; Vaquero Road, south of men s gymnasium, Glendale College, 1500 North Verdugo Road, Glendale. 183 Comment
  UC906448  Convolvulus arvensis Joseph Ewan 1933-6-29 10816 Los Angeles near Culver City; Ballona Creek Comment
  POM34129  Conyza bonariensis George B. Grant 1906-8-7 s.n. Los Angeles Collected at Pasadena. Comment
  CDA21765  Coreopsis bigelovii G. D. Barbe, T. C. Fuller 1973-4-9 1189 Los Angeles 4 miles (6.4 km) south of Palmdale, 0.7 mile north of Pearblossom Highway on Sierra Highway. 0 Comment
  SEINET2050072 Image available Coreopsis bigelovii Steve Myers, Ed LaRue 1989-3-20 Los Angeles Palmdale area. Elizabeth Lake Road at California Aqueduct, San Andres rift zone bisects site. 884 Comment
  UCR214046  Coreopsis bigelovii A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37959 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
  CAS-BOT-BC105694  Corethrogyne filaginifolia Ernest C. Twisselmann 1961-10-31 6682 Los Angeles Liebre Mountains - Leona Valley 929 Comment
  RSA0087854  Corethrogyne filaginifolia R. G. Swinney 2010-3-13 11885 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  SBBG60563  Corethrogyne filaginifolia R. Hoffmann 1927-8-31 Los Angeles Mint Cyn Comment
  UCR84429  Cornus glabrata T. S. Ross, Steve Boyd 1994-6-23 8076 Los Angeles Liebre Mtns, 'Dogwood Spring,' seepy area situated in a northeasterly draw draining from Grass Mountain to upper Burns Canyon. 1265 Comment
  CLARK-A1528-2614  Cornus sericea subsp. sericea John C. Roos 1950-7-15 4851 Los Angeles San Gabriel Mountains 60 Comment
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Dec 2 2014
  CATA3176  Cortaderia selloana Amy Catalano, Julie King 2016-10-18 154 Los Angeles Santa Catalina Island: Thompson Reservoir, center that was covered by water before drought 177 Comment
  CAS-BOT-BC287262  Cotula australis Louis C. Wheeler 1936-3-8 4081 Los Angeles Millard Canyon, San Gabriel Mts 457 Comment
  RSA772893  Crassula connata LeRoy Gross 2011-3-28 5436 Los Angeles Claremont McKenna College, along N. Mills Ave., north of E 6th. street. Claremont. Near the Athletic department. 375 Comment
  UCR138496  Crassula connata L. C. Wheeler 1974-3-28 s.n. Los Angeles San Gabriel Mtns, Wildwood Ranch, east of Glendora 389 Comment
  RSA762167  Crassula connata Orlando Mistretta, Christine Mistretta 2008-5-6 2670 Los Angeles Southern California Edison transmission line corridor (Segment 11, Impact Areas 14, 15, 16 (Gould Subtation) per TRTP Survey 2008), in the vicinity of Arroyo Seco Canyon. 576 Comment
  SEINET13729336  Crassula connata var. connata Unknown 1966-2-27 1040 Los Angeles Plants of California LOS ANGELES COUNTY Flowers rose; plants tufted, erect, mostly branched, 1 - 4 cm tall; abundant in dry rocky wash. COASTAL SAGE SCRUB VEGETATION: Wash outside of Rancho Santa Ana Botanic Garden, Claremont. Comment
  RSA535292  Crassula connata var. eremica Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5334 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons 485 Comment
  RSA592154  Crassula tillaea L. C. Wheeler 1967-5-7 9286 Los Angeles San Gabriel Mountains. Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon. 625 Comment
  SEINET10819898  Crataegus Heidi H. Schmidt 1999-10-14 Schmidt 3862 Los Angeles City of San Gabriel. Hawaii Supermarket: 120 East Valley Boulevard: San Gabriel, CA: 91776: (626) 307-0062 - phone. 110 Comment
  SD69699  Crocanthemum scoparium var. vulgare Robert F. Thorne 1966-4-29 36324 Los Angeles Santa Catalina Island; below road to White's Landing above turn-off to Echo Lake. 409 Comment
  NY268582  Crossosoma californicum G. B. Grant 1904-4-21 235-/ 6149 Los Angeles Santa Catalina Island, Pacific Ocean, off southern California. Comment
  RSA188199  Crossosoma californicum R. F. Thorne 1965-6-22 34885 Los Angeles Santa Catalina Island. Canyon W of East Peak 396 Comment
  RSA3556  Crossosoma californicum C. B. Wolf 1932-5-9 1487 Los Angeles Santa Catalina Island. Junction of Upper Pebbly Beach Road and road to Renton Mine. 121 Comment
  RSA397733  Crossosoma californicum Reid V. Moran 1941-2-28 655 Los Angeles Johnson Valley, Santa Catalina Island 250 Comment
  UC454975  Crossosoma californicum I. J. Condit 1908-6-29 Los Angeles Catalina Island Comment
  LA82194  Croton californicus O. H. Kappler; 1940-7-2 67 Los Angeles Santa Monica Mountains, Carbon Canyon Comment
  RSA162837  Croton californicus J. D. Olmsted 1959-3-27 315 Los Angeles On terrace 1/4 mile SW of stream gaging station below San Dimas Ranger station; Mt. Range: San Gabriel Mts; Drainage area: San Dimas Creek. 488 Comment
  RSA394832B  Croton californicus D. Koutnik 1978-4-28 419 Los Angeles Point Dume near Zuma Beach. 46 Comment
  SJSU13235  Croton californicus C. W. Sharsmith 1943-9-10 4583 Los Angeles Mojave Desert near Llano Comment
  UC882419  Cryptantha circumscissa Geo. B. Grant 1906-6-15 Los Angeles Summit of Mt. Wilson 1828 Comment
  UC56845  Cryptantha intermedia W. C. Blasdale Jun 1891 Los Angeles Santiago Canyon Comment
  UC56961  Cryptantha intermedia Harley P. Chandler 1897-2-6 Los Angeles Claremont 487 Comment
  UC78534  Cryptantha intermedia Rev. J. C. Nevin 1882-1 Los Angeles Los Angeles Comment
  UCR197218  Cryptantha intermedia Valerie Soza, LeRoy Gross, Adelina Munoz 2000-5-12 889 Los Angeles Verdugo Mountains, northeast side, Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. Fire road south from Engleheard Canyon to powerlines 396 Comment
  SD90638  Cryptantha maritima var. maritima Robert F. Thorne 1966-4-16 36049 Los Angeles San Clemente Island: Rocky slope above pebbly beach, ca 1/2 mile south-southeast of Eel Point, southwest side of island 2 Comment
  RSA647866  Cryptantha micromeres LeRoy Gross, Laura Moore, Debby Zygielbaum, Ron Burchet 2000-6-8 237 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 548 Comment
  UCR258877  Cryptantha micromeres R. G. Swinney 2010-5-7 12610 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
  SEINET12280858  Cryptantha microstachys E. A. Purer 1935-1 6589 Los Angeles Santa Monica Mountains Comment
  LA81966  Cryptantha muricata O. H. Kappler; 1941-3-13 121 Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon Comment
  RSA595625  Cryptantha muricata L. C. Wheeler 1967-5-9 9380 Los Angeles Aliso Canyon, east of Acton, ca. 1 mile downstream from Wagon Wheel Ranch. 1067 Comment
  SFV16882  Cryptantha muricata J. N. Hogue, B. Houck, B. Kanno 1997-6-18 84 .9 Los Angeles San Gabriel Mountains Gleason Canyon, near Mount Gleason. Roadside. 1700 Comment
  UC563991  Cryptantha muricata Carl Epling 1931-5-2 Los Angeles Los Alisos Canyon Santa Monica Mountains Comment
  UCR90832  Cryptantha muricata Robert Hamilton 1995-2-23 s.n. Los Angeles Angeles National Forest, NE of Mint Canyon, in tributary to Pole Canyon. South of Santa Clara River. 640 Comment
  RSA595937  Cryptantha nevadensis var. rigida L. C. Wheeler 1967-5-12 9421 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  UCR191702  Cryptantha nevadensis var. rigida A. C. Sanders 2008-4-11 34857 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School, NW of VABM 'Pine 970 Comment
  RSA729866  Cryptantha similis R. G. Swinney 1999-6-5 7261 Los Angeles San Gabriel Mtns.: east side of Big John Peak, west of Mescal Creek above Big John Flat. 1780 Comment
  UCR117108  Cupaniopsis anacardioides A. C. Sanders, D. Malueg 2001-5-17 24315 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned 122 Comment
  UCR114625  Cupressus arizonica S. Bellavia 1995-6-24 s.n. Los Angeles Puente Hills, La Habra Comment
  RSA0022519  Cuscuta Duncan S. Bell, Caitlin Elam 2013-6-24 5239 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, between Allison Gulch and Rattlesnake Canyon. 740 Comment
  UC153883  Cuscuta californica LeRoy Abrams 1902-7-5 2654 Los Angeles near Azusa Comment
  RSA0074188  Cuscuta californica Clare, G. R. Johnstone 1931-4-26 s.n. Los Angeles Playa del Rey. Comment
  SFV12552  Cuscuta campestris M. H. Grayum 1977-11-24 871 Los Angeles San Fernando Valley Sepulveda Basin. Along Los Angeles River, between dam and Burbank Blvd. 207 Comment
  RSA732940  Cycladenia humilis R. G. Swinney 1999-8-9 7604 Los Angeles San Gabriel Mtns.: Big Horne Ridge, c. 1.5 mi SW of West Baldy peak of Mt. San Antonio 2317 Comment
  RSA714991  Cyclospermum leptophyllum A. C. Sanders 2003-5-26 26847 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
  RSA0116342  Cylindropuntia californica var. parkeri R. G. Swinney 2010-10-5 13978 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, west of Oak of the Golden Dreams, at west boundary of park. 451 Comment
  POM1181  Cynodon dactylon Shaw 1900-6-13 s.n. Los Angeles Claremont. 365 Comment
  RSA682302  Cynodon dactylon R. E. Riefner 2003-9-13 3 -343 Los Angeles City of Long Beach, vicinity of Veterans Stadium, Lew Davis St. near intersection with Clark Ave. 21 Comment
  UC1971412  Cynodon dactylon Louis C. Wheeler 1966-10-1 8932 Los Angeles SAN GABRIEL MOUNTAINS: Millie's Orchard, lower Colby Ranch, Coldwater Canyon. Comment
  CATA1352  Cyperus eragrostis Mark L. Hoefs, Robert F. Thorne 1995-7-26 2459 Los Angeles Santa Catalina Island: Middle Canyon in stream bed just below reservoir 169 Comment
  RSA0115097  Cyperus eragrostis Steven A. Junak 2000-7-1 SCa- 1369 Los Angeles Santa Catalina Island. At NW side of reservoir. 329 Comment
  UC2026496  Cyperus involucratus Louis C. Wheeler 1945-6-3 6061 Los Angeles SAN GABRIEL MOUNTAINS: West Fork, San Gabriel Canyon, 1 mile west of Fork. Comment
  RSA751261  Cyperus niger A. C. Sanders, Dan S. Cooper 2008-1-11 34416 Los Angeles Long Beach, El Dorado Park, near 605 Fwy, Willow St. and the San Gabriel River 1 Comment
  POM1344  Cyperus niger var. capitatus I. M. Johnston 1916-11-21 s.n. Los Angeles Claremont. Comment
  CDA4095  Cytisus canariensis T. C. Fuller, T. Suzuki 1959-3-19 2090 Los Angeles North side Foothill Boulevard, in Arroyo, east of Hillard Avenue, La Canada. 0 Comment
  RSA762253  Dactylis glomerata Orlando Mistretta, Christine Mistretta 2008-5-19 3108 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 100 per TRTP Survey 2008), Upper Fish Canyon, E of Monrovia Pk. 1209 Comment
  UCR263618  Dactyloctenium aegyptium Anuja Parikh, Nathan Gale 2012-5-29 2160 Los Angeles Western Transverse Range; N side of Santa Susana Mountains, Newhall Ranch, 1.7 km SW of the intersection of Interstate 5 and Hwy 126 320 Comment
  LA39063  Datura wrightii Harlan Lewis; 1940-8-14 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Campus. Comment
  RSA421879  Datura wrightii Freda Detmers 1928-10-17 s.n. Los Angeles Streamside mesophytic woods, Verdugo Woodlands Comment
  UCR143928  Datura wrightii A. C. Sanders, Lee Jones 2004-11-7 29027 Los Angeles San Fernando Valley, site called Lookout Gates on topo, 1 mile NE of Chatsworth at foot of Santa Susana Mtns., 5 acre estate proposed for conversion to private high school (Sierra Canyon H.S.), west of the north end of Lurline Ave, N of Nashville St., just south of 118 Fwy 351 Comment
  UC1194906  Deinandra clementina Reid Moran 1958-9-15 6837 Los Angeles Wilsons Cove San Clemente Island, Wilsons Cove 50 Comment
  UC1409094  Deinandra clementina Robert F. Thorne 1966-4-17 36095 Los Angeles top of bluff near Duty Office (ne end of island); San Clemente Island, Wilson's Cove 30 Comment
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Feb 5 2010
  CAS-BOT-BC299302  Deinandra fasciculata A. C. Sanders; Mark A. Elvin 2003-6-18 26937 Los Angeles Along road on crest of range from Salt Canyon, north of head of El Toro Cnayon, Newhall Ranch (Simi Valley East 7.5' Q.), Santa Susana Mountains 853 Comment
  CAS-BOT-BC299305  Deinandra fasciculata Grant 1902-8-6 5035 Los Angeles Avalon Comment
  JEPS12588  Deinandra fasciculata Ira W. Clokey, B. Templeton Mar 1929 4600 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon Comment
  LA200234  Deinandra fasciculata Jonathan Sauer; D. Bradbury, A. Lang 1969-9-25 4612 Los Angeles Santa Monica Mountains, Sequit Point 7 Comment
  UC1293687  Deinandra fasciculata P. C. Everett and E. K. Balls 1959-6-2 23841 Los Angeles 1 mi ne of entrance to Stokes Canyon; Santa Monica Mts. 182 Comment
  UC897713  Deinandra fasciculata F. R. Fosberg 1931-5-21 S 4930 Los Angeles Parson's Landing Santa Catalina Island (grassy hillsides facing ocean) 20 Comment
  CAS-BOT-BC299277  Deinandra fasciculata W. M. Heusi 1930-11-5 113 Los Angeles From Eagle Nest Lodge, along road from Avalon to the Isthmus in places not directly exposed to sea winds, Santa Catalina Island Comment
  SFV21035  Delairea odorata L. Gross 2001-12-9 459 Los Angeles San Gabriel Mountains Big Santa Anita Canyon. About 0.25 miles down from tributary of Winter Creek, east of Chantry Flat. 518 Comment
  UC1375445  Delphinium glaucum Robert F. Thorne 1971-8-25 41259 Los Angeles Lily Spring San Gabriel Mts., Angeles National Forest, Mt. Hawkins (nw slope of mt) Comment
  RSA350611  Delphinium inflexum Anstruther Davidson 1927-05 3641 Los Angeles San Gabriel Mts., Fish Canyon. Comment
  RSA763244  Delphinium parishii Justin M. Wood 2010-5-10 1561 Los Angeles San Gabriel Mountains. Little Rock Creek: Downstream of Little Rock Reservoir, within 0.25 miles of the dam. 966 Comment
  UCR256585  Delphinium parishii subsp. parishii Anuja Parikh, Nathan Gale 2011-6-6 3415 Los Angeles Western Transverse Range; eastern Liebre Mountains, Sierra Pelona, 5.5 km west of State Hwy 14, 2.1 km SW of California Aqueduct 1142 Comment
  RSA199194  Delphinium parryi Robert F. Thorne, D. Propst 1968-5-27 37645 Los Angeles Santa Catalina Islands. Upper Middle Ranch Canyon. 244 Comment
  UCSB1985  Delphinium parryi 1943-5-11 Los Angeles San Dimas Meadow; San Dimas Experimental Forest; San Gabriel Mountains Comment
  RSA398714  Delphinium parryi Reid V. Moran 1941-3-2 667 Los Angeles North of Wilson's Harbor, Santa Catalina Island. Comment
  SBBG77826  Delphinium parryi subsp. maritimum F. R. Fosberg 1932-5-5 8120 Los Angeles cyn above Villa Park, Avalon 50 Comment
  JEPS6107  Delphinium patens subsp. hepaticoideum Marcus E. Jones, A. M. 1882-5-2 3204 Los Angeles Pasadena Comment
  SBBG95438  Dendromecon harfordii M. B. Dunkle 1928-4-21 1878 Los Angeles Renton Mine Hill Comment
  RSA0105488  Dendromecon rigida R. G. Swinney 2011-5-31 14915 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  RSA755571  Deschampsia danthonioides R. G. Swinney 2008-7-24 9336 Los Angeles Waterman Mountain, ski runway on east-facing slope 2390 Comment
  CAS-BOT-BC43170  Descurainia pinnata subsp. brachycarpa John H. Thomas 1957-4-27 6668 Los Angeles Point Dume, about 18 miles due west of Santa Monica. 60 Comment
  RSA0119669  Descurainia pinnata subsp. glabra R. G. Swinney 2014-4-30 16264 Los Angeles San Gabriel Mountains; 3.8-4.0 miles s. of Hwy. 138 on w. side of Largo Vista Road to ridge, c. 100 meters to the west. 1387 Comment
  LA201038  Descurainia sophia Peter H. Raven; Henry J. Thompson 1960-4-12 15027 Los Angeles Santa Monica Mountains, Triunfo Canyon, Triunfo Canyon Road 2.4 mi. E of Cornell Road 243 Comment
  UCR272975  Dichelostemma capitatum R. G. Swinney 2011-4-26 14502 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
  CAS-BOT-BC152889  Diplacus brevipes C. F. Baker 1909-5-15 5322 Los Angeles Mts. near Claremont Comment
  SD124540  Diplacus brevipes J. Sauer 1980-4-26 6088 Los Angeles West end San Gabriel Mountains: Placerita Canyon Comment
  CAS-BOT-BC153050  Diplacus fremontii Alice Eastwood; John Thomas Howell 1937-4-26 3969 Los Angeles Near Palmdale Comment
  CATA14  Dissanthelium californicum Jenny L. McCune, Lauren K. Danner 2005-4-21 3 Los Angeles Santa Catalina Island: Second drainage east of Camp Cactus, where stream forks, south of road 182 Comment
  SBBG119365  Distichlis littoralis R. F. Thorne 1974-9-13 45789 Los Angeles inside Ballast Pt, Catalina Harbor 1 Comment
  SBBG80118  Distichlis spicata F. R. Fosberg 1931-5-14 4871 Los Angeles Middle Ranch Cyn near mouth of Cape Cyn Comment
  SEINET3128950  Distichlis spicata Unknown 1902-6-9 2499 Los Angeles Playa del Rey Comment
  SEINET6187134 Image available Distichlis spicata R. G. Swinney 2009-1 10629 Los Angeles Transverse Range; San Gabriel Mtns./ Western Mojave Desert: Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing (Palmdale 7,5' Q.) T5N R11W S22 951 Comment
  SEINET10564526  Distichlis spicata var. stricta F. R. Fosberg 1931-5-14 Fosberg S 4871 Los Angeles Middle Ranch Canyon, near mouth of Cape Canyon, Santa Catalina Island. Bottom of ravine. Upper Sonoran Zone. Comment
  JEPS14968  Dodecatheon clevelandii subsp. sanctarum Ira W. Clokey, B. Templeton Mar. 1929 4516 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon 250 Comment
  RSA611637  Draba verna Steve Boyd, Valerie Soza, Mike Kinney, J. Mark Porter 1998-3-24 10119 Los Angeles Liebre Mountains region: North base of Liebre Mountain in the San Andreas Rift Zone, at the point where Cow Spring drainage crosses Pine Canyon Road., Near 34 deg 44' 10.1''N 118 deg 38' 36.9'' W. 1158 Comment
  UC465843  Drosanthemum floribundum R. L. Pendleton 1909-7-2 1352 Los Angeles Road e of Avalon (Santa Catalina Island); Santa Catalina Island 6 Comment
  RSA660262  Drymocallis glandulosa var. reflexa Orlando Mistretta, Peter L. Morrell 1992-6-4 491 Los Angeles Traverse Ranges: San Gabriel Mnts region: Short Cut Canyon, OVH area. Arroyo District, paralleling Big Tujunga. Comment
  LA200101  Dryopteris arguta Lawrence L. Kiefer; 1966-5-14 2019 Los Angeles SANTA MONICA MOUNTAINS, ca 0.75 mi E of San Diego Frwy on Mulholland Dr, ravine just above road. 304 Comment
  RSA693702  Dryopteris arguta Albert J. Perkins 1918-1-14 s.n. Los Angeles West Fork San Gabriel Comment
  RSA674722  Dudleya cymosa subsp. crebrifolia Scott D. White, Pam DeVries 2000-5-18 7902 Los Angeles San Gabriel Mts: Southern foothills above Irwindale. Fish Creek Cyn, from the mouth of the Canyon at CalMat quarry upstream to falls. 305 Comment
  LA210119  Dudleya cymosa subsp. ovatifolia K. Nakai; 1980-5-25 607 Los Angeles Santa Monica Mountains, Encinal Canyon, On Calif. Hwy 23 between Potrero Rd. and Carlisle Rd. across Lake Eleanor 300.0 Comment
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Mar 25 2014
  RSA423501A  Dudleya cymosa subsp. pumila L. E. Hoffman 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles National Forest Comment
  CAS-BOT-BC428398  Dudleya lanceolata Alice Eastwood 1919-5-29 9009 a Los Angeles San Gabriel Canyon Comment
  RSA247427  Dudleya lanceolata Jack Delaini, Barbara Shervanick 1974-5-23 220 Los Angeles Lodi Canyon, San Dimas Experimental Forest 441 Comment
  UC1174782  Dudleya lanceolata P. C. Everett and E. K. Balls 1960-5-30 24134 Los Angeles 2.2 mi from entrance San Gabriel Canyon; Angeles National Forest 365 Comment
  RSA486369  Dudleya multicaulis L. T. Street 1915-5-15 2794 Los Angeles Puddingstone Canyon Comment
  RSA0077731  Dudleya semiteres E. K. Balls 1949-6-12 14347 Los Angeles Grown Rancho Santa Ana Botanic Garden. Comment
  SDSU5755  Dudleya virens Jim Dice, Michael Donoghue & Terry Martin 1983-6-7 350 Los Angeles Palos Verdes Hills, southeast edge of Portuguese Bend, ca. 0.6 km. south of Palos Verdes Drive South, on cliff above ocean. 23 Comment
  UC1015145  Dudleya virens Reid Moran 1949-2-8 3151 Los Angeles Whites Landing Santa Catalina Island Comment
  RSA190919  Dudleya virens subsp. hassei R. F. Thorne 1967-5-19 s.n. Los Angeles Indian Head Point, Santa Catalina Island. 91 Comment
  SD215468  Dysphania botrys Louise C. Wheeler 1946-8-27 6250 Los Angeles San Gabriel Mountains: Angeles Forest Highway opposite junction of Mill Creek and Big Tujunga Canyon. 868 Comment
  UCR230591  Dysphania multifida Mike Misenhelter 2011-8-9 s.n. Los Angeles San Gabriel Valley, Walnut, along south side of Hwy 60 near Walnut Dr. and east of the Fairway exit, near Royal Vista Golf Course 159 Comment
  SFV6439  Dysphania multifida K. A. Wilson 1974-6-28 1417 Los Angeles Santa Monica. Corner of Ashland Avenue and Neilson. Comment
  UCR129410  Echinochloa crus-galli A. C. Sanders, Mark Elvin 2002-6-20 25237 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
  UCR209314  Eclipta prostrata A. C. Sanders 2009-11-6 37220 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  SFV13510  Eclipta prostrata M. H. Grayum, D. L. Koutnik, B. Balch 1977-12-3 913 Los Angeles San Fernando Valley Basin of Chatsworth Reservoir. 244 Comment
  UCR270470  Ehrendorferia chrysantha R. G. Swinney 2011-7-7 15436 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  SD260870  Ehrharta erecta D. E. Bramlet 2010-1-12 4439 Los Angeles South Coast: Oxford Basin, Marina del Rey, between Admiralty Way & Washington Blvd., near bike path. 0 Comment
  UCR256868  Ehrharta erecta R. G. Swinney 2010-8-16 13547 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UCR91215  Ehrharta erecta Scott D. White 1996-3-18 3840 Los Angeles Marina del Rey area, Ballona Creek, floodplain and adjacent N-facing slope, west of Lincoln Blvd. and south of Jefferson Blvd. 30 Comment
  UCR155131  Eleocharis macrostachya A. C. Sanders 2005-5-5 29938 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, SW end of Cruzan Mesa at site of former dairy, east of Bench Mark 'Plum 655 Comment
  SBBG119545  Eleocharis montevidensis V. Soza, L. Moore 2000-6-14 1013 Los Angeles spring at Big Cienega, ca. 0.6 mi NE of Deer Flat Cmpgrd along S Hawkins Rd (FS Rd 3N07.2) 1981 Comment
  RSA717301  Eleocharis palustris Scott D. White, Pam DeVries 2006-5-9 11407 Los Angeles Gorman area, valley & slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  RSA0076959  Elymus elymoides R. G. Swinney 2010-5-19 12821 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy., 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  CAS-BOT-BC207375  Elymus elymoides subsp. elymoides Timothy S. Ross 1991-4-28 4734 Los Angeles Black Butte Basin Road at its intersection with Avenue 'U', NW corner, 0.85 mile and ca 152 deg. SW of Three Sisters buttes, Mojave Desert 960 Comment
  RSA0099416  Elymus elymoides subsp. elymoides R. G. Swinney 2011-6-7 15069 Los Angeles San Gabriel Mountains: Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy. 2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek 1573 Comment
  SEINET13276845 Image available Elymus elymoides subsp. elymoides R. G. Swinney 2011-1 15510 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), the middle elevation (& smallest) of three natural depressions at the north base of Strawberry Peak (Chilao Flat 7.5' Q.) 1170 Comment
  UC1714548  Elymus elymoides subsp. elymoides I. M. Johnston 1917-8-23 1635 Los Angeles Pine Mt. Ridge San Antonio Mountains 2499 Comment
  LA33386  Elymus glaucus subsp. glaucus Peter H. Raven; 1959-5-3 14067 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Drive 0.5 mi E of Beverly Glen Blvd. 380 Comment
  UC224200  Elymus glaucus subsp. jepsonii A. D. E. Elmer June 1902 3750 Los Angeles Acton Comment
  RSA773234  Elymus trachycaulus subsp. trachycaulus R. F. Thorne, John Dourley 1967-10-10 37362 Los Angeles Angeles National Forest: 1.5 mi. E of Dawson Saddle 2332 Comment
  UCR238475  Elymus trachycaulus subsp. trachycaulus Orlando Mistretta, Christine Mistretta 2008-5-20 3162 Los Angeles Transverse Ranges; San Gabriel Mountains, Southern California Edison transmission line corridor (Segment 6, structure 97 per TRTP Survey 2008), Rincon Red Box Road, northeast ridge of Monrovia Peak, separating west Fork San Gabriel River and Fish Canyon 1473 Comment
  UC1595276  Elytrigia elongata Tim Ross and Peter Fritsch 1990-6-20 3689 Los Angeles ridgetop between W Fk San Gabriel River and Roberts Canyon (Rincon-Red Box Rd (2N24)); San Gabriel Mountains 1255 Comment
  RSA609968  Emex spinosa Louis C. Wheeler 1970-5-14 s.n. Los Angeles Watts: 103rd Street and Grandee Street. Comment
  POM305408  Emmenanthe penduliflora Henry J. Ramsey, Henry J. Ramsey 1937-5-16 692 Los Angeles Altadena, North Craig Avenue. 396 Comment
  RSA401561A  Emmenanthe penduliflora H. L. Bauer 1931-6-1 s.n. Los Angeles Foothills of Topango Mountains. Comment
  UCR220206  Emmenanthe penduliflora R. G. Swinney 2009-4-24 10466 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, just below Littlerock Creek Dam, in tributary canyon to the east 1000 Comment
  CAS-BOT-BC131203  Encelia californica Alice Eastwood 1906-5-27 148 Los Angeles Laurel Canyon Comment
  CAS-BOT-BC131208  Encelia californica Peter H. Raven 1959-4-4 13946 Los Angeles East of Zuma Beach, Point Dume 10 Comment
  SBBG128270  Encelia californica D. Kasang, S. Lawrence-Gomez, A. Cheung, M. Zou, S. Ratay 2011-7-1 4 Los Angeles Deer Valley Trail 4 Comment
  SBBG52779  Encelia californica F. R. Fosberg 1931-3-18 4290 Los Angeles Hamilton Cyn 10 Comment
  UC557661  Encelia californica Nell Murbarger 1936-3-1 48 Los Angeles s end San Clemente Island Comment
  UCR219469  Encelia californica R. G. Swinney 2009-3-19 10141 Los Angeles San Gabriel Mtns. Foothills, Azusa, 0.7 mi. north of Sierra Madre Ave. on north side of San Gabriel River channel, c. 100 m north of Hwy 39 230 Comment
  UCR213582  Encelia farinosa A. C. Sanders, Karen Kirtland 2010-5-7 38340 Los Angeles South Coast, Palos Verdes Peninsula, south of Palos Verdes Dr. South, Rancho Palos Verdes near Los Angeles city boundary 104 Comment
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Mar 15 2016
  UCR258573  Encelia farinosa R. G. Swinney 2010-3-10 11810 Los Angeles San Gabriel Mountains, NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  RSA339713  Ephedra nevadensis Robert F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 55010 Los Angeles Little Rock Creek 1006 Comment
  CAS-BOT-BC166207  Epilobium canum subsp. canum F. Grinnell Jr. 1917-7-29 s.n. Los Angeles Mt. Lowe - San Gabriel Ridge, San Gabriel Mountains 1615 Comment
  POM13555  Epilobium canum subsp. canum P. A. Munz 1922-11-20 6568 Los Angeles Hills south of San Dimas. Comment
  RSA251421  Epilobium canum subsp. canum Robert F. Thorne 1966-4-17 36115 Los Angeles San Clemente Island: near bottom of Box Canyon NW of Horse Canyon, SW of Thirst. 213 Comment
  RSA592651  Epilobium canum subsp. canum Mark Hoefs 1973-7-20 393 Los Angeles Santa Catalina Island: by main road, at Little Harbor. 5 Comment
  UC166859  Epilobium canum subsp. canum Geo. B. Grant Aug 1902 1394 Los Angeles Catalina Isl. Comment
  UCR276746  Epilobium canum subsp. canum R. G. Swinney 2010-8-11 13496 Los Angeles San Gabriel Mountains, San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road 595 Comment
  RSA588441  Epilobium canum subsp. latifolium L. E. Hoffman 1931-9-25 s.n. Los Angeles San Gabriel Mountains, Angeles National Forest: Dark Canyon. Comment
  SD251252  Epilobium ciliatum Duncan S. Bell, Sarah Fisher and Carrie Kiel 2013-7-23 5432 Los Angeles Transverse Ranges; San Gabriel Mountains region: Sheep Mountain Wilderness; Vincent Gulch, near head of canyon. 1994 Comment
  RSA588320  Epilobium ciliatum subsp. ciliatum F. R. Fosberg 1930-6-26 S- 3026 Los Angeles Lower Ballona Creek. 9 Comment
  UC54955  Epilobium ciliatum subsp. ciliatum H. P. Chandler 1902-9-9 2037 Los Angeles Bellona Marsh Comment
  RSA0016977  Epilobium ciliatum subsp. ciliatum O. R. L. s.n. Los Angeles Near Glendale Comment
  RSA381704  Epipactis gigantea Anstruther Davidson 1893-6-12 1917 Los Angeles Switzer's Trail Comment
  RSA381690  Epipactis gigantea Albert J. Perkins 1912-9-8 s.n. Los Angeles Trail to Mt. San Antonio, [San Gabriel Mountains]. Comment
  SBBG28787  Equisetum arvense L. C. Wheeler 1933-8-20 2090 Los Angeles Pine Cyn Dam, San Gabriel Cyn 304 Comment
  RSA684666  Equisetum hyemale var. affine Geo C. Johnstone 1925-4-10 s.n. Los Angeles Mount Lowe Comment
  UCSB8212  Equisetum laevigatum Wedberg, H. 1958-7-3 Los Angeles 5 mi below Crystal L., San Gabriel Mtns. Comment
  SEINET3129118  Eragrostis cilianensis H. M. Hall 1366 Los Angeles Riverside 305 Comment
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Mar 19 2015
  LA105990  Eragrostis pectinacea A. C. Sanders; 1987-9-18 7383 Los Angeles El Segundo Dunes, W of Los Angeles Int. Airport and Pershing Dr 38 Comment
  UCR21045  Eragrostis pectinacea var. pectinacea John C. Roos 1940-9-6 s.n. Los Angeles Westwood Village, Los Angeles 90 Comment
  JEPS50086  Eremalche exilis W. L. Jepson 1935-4-17 17040 Los Angeles 6 1/2 mi. w. on Yucca brevifolia mesa Lancaster 731 Comment
  POM2787  Eremocarpus setiger M. Hitchcock 1918-07 3 Los Angeles Van Nuys Comment
  SBBG69941  Eremogone macradenia var. macradenia unknown 1895-1 Los Angeles Big Rock Comment
  LA200985  Eremothera boothii subsp. decorticans Carl Wishner; 1987-3-15 1300 Los Angeles 499 Comment
  RSA0104859  Eriastrum densifolium subsp. austromontanum Steve Boyd, Mark Elvin, Victoria Jotikasthira 1996-6-25 8884 Los Angeles Liebre Mountains, along summit of Liebre Mountain, east of the head of Bear Canyon, at the intersection of dirt track leading to Bear Camp and 7N23. 1646 Comment
  RSA0104341  Eriastrum densifolium subsp. austromontanum I. M. Johnston 1917-7-28 1587 Los Angeles San Antonio Canyon. 1601 Comment
  RSA0104342  Eriastrum densifolium subsp. austromontanum J. R. Shevock 1974-7-19 3733 Los Angeles OAlong FS road 2N17, 9.8 miles west of Mt. Gleason. 1372 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
  SBBG52016  Eriastrum filifolium R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -274 Los Angeles S side of White's Landing Comment
  RSA0043242  Eriastrum rosamondense LeRoy Gross 2005-5-19 2295 Los Angeles South of Ave A (Kern County boundary) east of the #14 freeway. South of the city of Rosamond. between 20th Street West and Sierra Highway. Started at Ave A., Near 34.820450N, 118.16535W then walked south to 34.81703N, 118.16403W. 715 Comment
  RSA0118101  Eriastrum rosamondense Sarah J. J. De Groot 2005-5-19 4976 Los Angeles Antelope Valley, along Avenue G between 30th and 40th Streets. 702 Comment
  UC133710  Eriastrum sapphirinum J. Grinnell 1903-6-27 Los Angeles Arroyo Seco Pasadena Comment
  UC84337  Eriastrum sapphirinum Katharine Brandegee May 1899 Los Angeles Ravenna Comment
  RSA0121269  Eriastrum sapphirinum subsp. dasyanthum Scott D. White, Pam De Vries 1998-6-23 6766 Los Angeles Soledad Canyon area; proposed quarry area N of Soledad Canyon. Road, S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Canyon. 549 Comment
  SEINET7063577  Ericameria linearifolia A. G. Vestal 1947-4-8 s.n. Los Angeles Along Big Pines Highway between Littlerock and Big Pines. San Andrea Rift Zone. UTM Zone 11, 425494mE, 3810192mN. (WGS84/NAD83). 1401 Comment
  RSA0082876  Ericameria nauseosa subsp. consimilis R. G. Swinney 2011-7-21 15546 Los Angeles Strawberry Peak summit. 1860 Comment
  UCR209431  Ericameria nauseosa subsp. consimilis R. G. Swinney 2008-9-12 9443 Los Angeles San Gabriel Mtns., Kratka Ridge, 0.3 mi. east of Cedar Springs, just south of Conservation Camp 37 2088 Comment
  UC1746111  Ericameria nauseosa var. bernardina Annetta M. Carter, Arthur Carter 1935-9-13 987 Los Angeles Open ridge 1.5 mi. E of Horse Flats. San Gabriel Mtns. Comment
  UC284765  Ericameria nauseosa var. bernardina P. A. Munz 1923-8-31 7698 Los Angeles San Antonio Mts., Mescal Creek 1950 Comment
  CAS-BOT-BC299022  Ericameria nauseosa var. hololeuca Le Roy Abrams; E. A. McGregor 1908-7-1 540 Los Angeles Little Rock, Mojave Desert Comment
  UC1119798  Ericameria nauseosa var. hololeuca G. T. Nordstrom 1935-3-23 400 Los Angeles .25 mi w Caswell's; Santa Barbara National Forest, Tejon Quad. 914 Comment
  UCR259351  Ericameria nauseosa var. oreophila R. G. Swinney 2010-10-8 14006 Los Angeles San Gabriel Mountains, Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge 2453 Comment
  CAS-BOT-BC299514  Ericameria palmeri var. pachylepis L. R. Abrams 1916-10-31 6364 Los Angeles Fremont's Pass near Newhall Comment
  RSA198822  Ericameria palmeri var. pachylepis R. F. Thorne, D. Propst 1968-5-27 37622 Los Angeles Santa Catalina Island: Skull Canyon betw Cap & Middle Canyons 244 Comment
  POM4715  Ericameria pinifolia C. F. Baker 1903-8-1 4076 Los Angeles Claremont. Comment
  UCR273203  Erigeron canadensis R. G. Swinney 2011-10-25 15887 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
  UCR149306  Erigeron foliosus R. G. Swinney 1997-7-14 5676 Los Angeles San Gabriel Mtns., west of Wrightwood, Table Mtn. area, c. 100 m NW of amphitheater and Table Mtn. Campground 2207 Comment
  UCR273576  Erigeron foliosus var. foliosus R. G. Swinney 2011-7-7 15458 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  POM357483  Erigeron foliosus var. foliosus Wm Martin 1971-8-18 s.n. Los Angeles San Gabriel Mountains. Comment
  UCR281722  Erigeron foliosus var. franciscensis Neil Uelman 2017-6-23 s.n. Los Angeles Palos Verdes Peninsula, Malaga Canyon, along Malaga Canyon Trail 189 Comment
  CHSC3679  Eriodictyon Mary MacArthur 1966-5-26 30 Los Angeles Switzers Camp, San Gabriel Mountains. 91 Comment
  CHSC26418  Eriodictyon crassifolium K. Tan 1965-4-26 15 Los Angeles Santa Monica Mtns. 304 Comment
  UCD119331  Eriodictyon parryi G. H. Vansell 1936-6-1 s.n. Los Angeles Sawmill Mt. Comment
  RSA0022363  Eriodictyon trichocalyx Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5117 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  LA205722  Eriodictyon trichocalyx var. trichocalyx Miss Domsler; 1926-4-3 sn Los Angeles San Gabriel Mountains, Big Tujunga Comment
  RSA455067  Eriodictyon trichocalyx var. trichocalyx L. E. Hoffman 1931-11-9 s.n. Los Angeles Big Rock Creek Comment
  RSA0050407  Eriogonum baileyi R. G. Swinney 2009-11-16 11625 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
  RSA685158  Eriogonum brachyanthum Scott D. White 2003-7-25 9647 Los Angeles Santa Clarita area; Santa Clara River just upstream from Bouquet Canyon bridge. 351 Comment
  SBBG61869  Eriogonum brachyanthum R. Hoffmann 1927-6-8 Los Angeles Ridge Route (US Hwy 99) near Sandberg's Comment
  RSA226038  Eriogonum brachyanthum Robert F. Thorne, C. W. Tilforth 1971-6-29 40685 Los Angeles San Gabriel Mountains, Angeles National Forest: N slope San Gabriel Mountains, ca. 1.5 mi E of junction of Aliso Creek wash and Santa Clara River, in Aliso Canyon 854 Comment
  CAS-BOT-BC241893  Eriogonum cinereum A. C. Sanders; Karen Kirtland 2010-5-14 38349 Los Angeles South Coast: Palos Verdes Peninsula, San Ramon Canyon in city of Rancho Palos Verdes, near Los Angeles city boundary 201 Comment
  RSA393146  Eriogonum cinereum Ora M. Clark 1928-10-21 1220 Los Angeles Topango [Topanga] Canyon. Comment
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May 29 2014
  RSA0004962  Eriogonum cinereum G. W. Barclay 1839-10-13 3051 Los Angeles Hills near San Pedro Comment
  RSA716477  Eriogonum cithariforme Scott D. White, Andrea Warniment 2006-7-7 11601 Los Angeles Gorman area, west of the I-5 Freeway at SR-138 interchange. SE Tehachapi Mts. 1006 Comment
  JEPS56706  Eriogonum davidsonii Frank W. Peirson 1918-6-30 18 Los Angeles summit Mt. Wilson San Gabriel Mts., Mt. Wilson Comment
  RSA608007  Eriogonum davidsonii Louis C. Wheeler 1968-7-22 s.n. Los Angeles San Gabriel Mountains; Devil's Canyon. 1433 Comment
  POM184684  Eriogonum davidsonii Joseph A. Ewan 1932-6-12 7367 Los Angeles San Gabriel Mountains: 1/4 mi above North Fork Camp, N.F. Tujunga Creek 915 Comment
  RSA393513  Eriogonum fasciculatum Richard C. Barkelew 1932-4-22 s.n. Los Angeles Nichols Canon. Comment
  RSA771645  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-5-13 10793 Los Angeles Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  UCR190118  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 1998-8-27 6800 Los Angeles San Gabriel Mtns., ridge due north of Big Horn Ridge and south of San Antonio Ridge, 7625 ft. high spot on ridge above Coldwater Canyon 2325 Comment
  UCR270214  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2011-7-7 15426 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  LA52256  Eriogonum fasciculatum var. fasciculatum Robert G. Engman; Los Angeles Comment
  RSA670612  Eriogonum fasciculatum var. foliolosum Bonnie C. Templeton, H. J. Andrews 1938-6-22 1701 Los Angeles Mint Canyon Comment
  UC1587687  Eriogonum fasciculatum var. foliolosum Tim Ross 1991-3-9 4164 Los Angeles seepage ca 300 ft sw Colima Rd x Camino del Sur; Whittier Hills (Puent Hills, pro parte) 213 Comment
  UC72677  Eriogonum fasciculatum var. foliolosum Pupils of Los Angeles High School May 1903 Los Angeles Laurel Canyon Comment
  UCSB1417  Eriogonum fasciculatum var. foliolosum White, Arthur 1960-5-13 Los Angeles Next to Hwy. 138, 1 mi. W of Pearblossom; Mojave desert Comment
  UCSB1419  Eriogonum fasciculatum var. foliolosum Haller, Norman 1953-3-29 Los Angeles 100 yards down dirt road approx. 1 mile West of Sepulveda on Mulholland, Santa Monica Mts. Comment
  RSA248841  Eriogonum giganteum var. formosum Robert F. Thorne 1973-4-11 42854 Los Angeles San Clemente Island: Norton Canyon. 274 Comment
  POM2333  Eriogonum gracile var. gracile L. R. Abrams 1901-09 s.n. Los Angeles Ballona Harbor. Comment
  RSA393238  Eriogonum gracile var. gracile Frances Runyan 1971-7-20 s.n. Los Angeles Near Davenport Road, Agua Dulce. 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
  SEINET7856448  Eriogonum gracile var. gracile M. A. Elvin 2003-8-13 2985 Los Angeles Santa Clarita Valley; Newhall Ranch, Santa Clara River at the mouth of Long Canyon. 274 Comment
  POM2264  Eriogonum gracile var. gracile L. R. Abrams 1902-7-5 2721 Los Angeles Near the power house, San Gabriel Canyon. Comment
  RSA589191  Eriogonum maculatum Tim S. Ross 1991-4-27 4684 Los Angeles Mojave Desert: Black Butte Basin Road at intersection with Avenue 'U', NW corner; 0.85 mile and ca 152 deg. SW of Three Sisters (buttes). 959 Comment
  RSA597194  Eriogonum maculatum Tim S. Ross, Peter Fritsch, S. D. Boyd, Orlando Mistretta 1990-6-22 3721 Los Angeles San Gabriel Mountains, Pinyon Ridge: eastern half of the ridge, directly N of Fenner Canyon. 1939 Comment
  POM6662  Eriogonum microtheca var. johnstonii P. A. Munz 1917-9-16 1687 Los Angeles West slope of Mt. Baldy. San Gabriel Mountains. 2896 Comment
  RSA760686  Eriogonum nudum subsp. pauciflorum R. G. Swinney 2008-8-13 9398 Los Angeles Big Rock Creek, 1.0 mi. east of Fenner Canyon. 1793 Comment
  RSA587003  Eriogonum nudum var. pauciflorum Orlando Mistretta 1992-5-8 293 Los Angeles San Gabriel Mountains. Little Rock Creek. slopes E. of Little Rock Creek Reservoir. 1067 Comment
  SD22318  Eriogonum ordii Ralph Hoffmann 1930-6-7 Los Angeles Apparent duplicates at SBBG and UC say Liebre Mtns: Piru Crk, Liebre Stn [per Andy Sanders, UCR] Comment
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Aug 13 2010
  CAS-BOT-BC258229  Eriogonum pusillum R. F. Thorne; Walter Wisura; Suzanne Granger; Pamela Burton 1982-4-20 54982 Los Angeles San Gabriel Mountains: Mojave Desert slopes; 1/4-1/2 mile north of Bob's Gap, north slope of Holcomb Ridge, about 2.5 miles due south of Llano 1158 Comment
  UCR272861  Eriogonum saxatile R. G. Swinney 2011-8-5 15613 Los Angeles San Gabriel Mountains, summit of Mount Hawkins, high point of Copter Ridge, 0.6 miles SSE of Hwy. 2/Angeles Crest Hwy 2698 Comment
  RSA777688  Eriogonum thurberi Orlando Mistretta, Christine Mistretta 2010-5-19 5103 Los Angeles Aliso Canyon; approximately 1.75 mile NW of the intersection of Aliso Cyn and the Angeles Forest Hwy. 1103 Comment
  UCR209530  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2008-10-10 9571 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  LA104165  Eriogonum wrightii var. membranaceum T. Thomas; 1982-11-1 567 Los Angeles 609 Comment
  CAS-BOT-BC297921  Eriophyllum confertiflorum Alice Eastwood 1919-6-20 9031 Los Angeles Mt Wilson Comment
  CAS-BOT-BC297926  Eriophyllum confertiflorum LeRoy Abrams 1902-6-16 2550 Los Angeles Sepulveda Canyon, Santa Monica Mts Comment
  OBI35680  Eriophyllum confertiflorum Rebecca Cicoria 1982-4-25 45 Los Angeles Palos Verdes Peninsula: Purple Cyn, Rolling Hills. Comment
  POM357906  Eriophyllum confertiflorum James B. McNair 1934-5-1 s.n. Los Angeles Verdugo Woodlands, N. Glendale Comment
  RSA579237  Eriophyllum confertiflorum Timothy S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, Darin L. Banks, Megan Tommerup 1994-3-28 7413 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes, unnamed horseshoe shaped canyon to NE of upper Forrestal Drive 168 Comment
  SFV6500  Eriophyllum confertiflorum T. Gordon, M. H. Grayum, P. McDonald 1974-6-4 s. n. Los Angeles Santa Susana Mountains Above cattle reservoir on Orcutt Ranch, north side of Oat Mountain Station. 1021 Comment
  UCR170627  Eriophyllum confertiflorum Alex R. Van Dam 2004-4-25 044 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive near abandoned Nike Missile Base 518 Comment
  UCR261358  Eriophyllum confertiflorum R. G. Swinney 2010-6-21 13292 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  JEPS22766  Eriophyllum confertiflorum var. confertiflorum Rimo Bacigalupi with Reino Alava 1958-7-20 6425 Los Angeles on road cut on n side Kratka Ridge (Angeles Crest Highway (State Highway 2)); Los Angeles National Forest, San Gabriel Mts., Kratka Ridge 2042 Comment
  POM357939  Eriophyllum confertiflorum var. confertiflorum Fordyce Grinnell Jr. 1910-06 s.n. Los Angeles San Gabriel Mountains. Comment
  UC468942  Eriophyllum confertiflorum var. confertiflorum C. F. Millspaugh 1920-3-9 4759 Los Angeles Pebble Beach Road Santa Catalina Island Comment
  RSA92396  Eriophyllum pringlei F. W. Peirson 1926-4-26 6656 Los Angeles about 1 mile east of Palmdale. Comment
  RSA190998  Eriophyllum wallacei R. F. Thorne 1963-5-15 31667 Los Angeles San Gabriel Mountains region: 1 mile W of Los Angeles Co. line on Route 138, ca. 2 miles W of Desert Springs. 1220 Comment
  RSA391771  Erodium botrys Bonnie C. Templeton, I. W. Clokey 1930-4-8 1494 Los Angeles San Fernando Valley near Sangus 300 Comment
  RSA592142  Erodium brachycarpum Louis C. Wheeler 1967-4-30 9205 Los Angeles Liebre Mountains. Northwest end of foothills (of San Gabriel Mountains) between Bouquet Junction and Bonelli Ranch 366 Comment
  UCR186967  Erodium brachycarpum A. C. Sanders 2006-4-10 32012 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1006 Comment
  RSA653645  Erodium cicutarium S. Koukol, R. Koukol 1998-5-3 30 Los Angeles La Verne, Foothill Blvd., 75 m W. of Wheeler Avenue. 344 Comment
  RSA669632  Erodium cicutarium LeRoy Gross 2002-3-7 491 Los Angeles North side; Off La Tuna Canyon Road, Santa Monica Mountains Conservancy Land. South of 210 Freeway. 579 Comment
  UCD103160  Erodium cicutarium Jack Delaini 1974-2-14 6 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. 365 Comment
  RSA391609  Erodium cicutarium A. Menke 1955-4-16 s.n. Los Angeles 1 mile south-east of Gorman. Comment
  CAS-BOT-BC40781  Erysimum capitatum Ernest C. Twisselmann 1962-4-10 6829 Los Angeles Mojave Desert. Rosamund region. 1.3 miles east of Highway 6 on road at the end of Avenue A. 624 Comment
  UC72922  Erysimum capitatum Pupils of Los Angeles High School May 1904 Los Angeles near Hollywood Comment
  UCR216912  Erysimum capitatum R. G. Swinney 2009-3-16 10119 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 400 m NE of River Bike Path parking lot at Hwy 39 227 Comment
  UCR271747  Erysimum capitatum R. G. Swinney 2011-3-26 14230 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  RSA530308  Erysimum capitatum var. capitatum N. C. Cooper 1945-5-1 2128 Los Angeles Tapia Park area, Santa Monica Mountains 610 Comment
  UCSB2332  Erysimum capitatum var. capitatum Wedberg, Lee 1954-3-1 Los Angeles Millard Canyon, San Gabriel Mtns. 457 Comment
  POM545  Erysimum capitatum var. capitatum F. G. Reed 1902-05 24 Los Angeles Coble Canyon, north of Claremont 457 Comment
  LA204414  Erysimum suffrutescens Mary Reynolds; 1937-3-14 7 Los Angeles El Segundo Comment
  SBBG95390  Erythranthe cardinalis M. B. Dunkle 1928-5-13 1951 Los Angeles Cottonwood Cyn Comment
  CAS-BOT-BC403155  Eschscholzia californica John I. Carlson 1914-4-28 s.n. Los Angeles Avalon, Catalina Isl. Comment
  UC146751  Eschscholzia californica Katharine Brandegee May 1889 Los Angeles Pasadena Comment
  UCR126878  Eschscholzia californica A. C. Sanders 2003-4-29 26188 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 457 Comment
  CAS-BOT-BC403177  Eschscholzia californica Geo. B. Grant 1898-5-11 s.n. Los Angeles Pasadena Comment
  OBI11790  Eschscholzia californica Carl B. Wolf 1937-5-20 8744 Los Angeles Tehachapi Mts, 1 mi S of Tejon Pass on Hungry Valley Rd 1280 Comment
  UCD95322  Eschscholzia californica Geoffrey Levin 1974-4-22 22 Los Angeles Wash (Blanchard Park,) Pomona College, Claremonte. Alluvial fan of Mt. San Antonio (San Gabriel Mountains.) Comment
  RSA249721  Eschscholzia ramosa Robert F. Thorne 1973-2-12 42476 Los Angeles Santa Catalina Island. N of Marine Science Station at Fisherman's Cove. 46 Comment
  UC1215177  Eschscholzia ramosa Peter H. Raven 1962-4-9 17165 Los Angeles above Wilson Cove; San Clemente Island 60 Comment
  RSA0010836  Eucalyptus camaldulensis R. G. Swinney 2008-12-2 9903 Los Angeles mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east. 165 Comment
  UCR13476  Eucalyptus cladocalyx O. F. Clarke, B. T. Gittins, D. Kucera & So. Cal. Botanists Fld. Trip 1968-2-25 s.n. Los Angeles Channel Islands, Santa Catalina Island, within 0.5 mile of the U.S.C. Marine Sciences Station at the isthmus on the N end of the island 213 Comment
  RSA0088410  Eucalyptus polyanthemos R. G. Swinney 2010-2-27 11762 Los Angeles Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash. 331 Comment
  SBBG92291  Eucalyptus polyanthemos A. C. Sanders 1987-12-4 7587 Los Angeles El Segundo dunes, immediately W of LA International Airport & Pershing Drive, E of Vista Del Mar Blvd 30 Comment
  LA46655  Eulobus californicus C. S. Venkatesh; 1957-7-1 3 Los Angeles Comment
  UCR66531  Euphorbia helioscopia L. C. Wheeler 1933-7-14 01936 Los Angeles San Gabriel Valley, Potrero Chico near Rio Hondo 69 Comment
  UCR216896  Euphorbia melanadenia R. G. Swinney 2009-3-11 10088 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  CHSC100216  Euphorbia peplus John Dittes 2006-5-30 1385 Los Angeles Western Transverse Range; San Gabriel Mtns; Big Tujunga Cyn.; ca. 3.7 air-miles northeast of Verdugo Hills High School, ca. 2.5 air-mile southwest of Condor Peak., ca. 2.5 air-miles south x southeast of Mt. McKinley; slope above Trail Canyon Creek, north of Big Tujunga Rd. 528 Comment
  SBBG128680  Euphorbia peplus R. F. Thorne, J. Henrickson 1963-5-5 32274 Los Angeles near mouth of Cobal Cyn, few mi N of Claremont, foothills of San Gariel Mtns 518 Comment
  UCR239860  Euphorbia serpens O. F. Clarke 2007-10-16 s.n. Los Angeles San Gabriel Valley, Pomona College, Claremont 259 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
  CDA19852  Euphorbia terracina P. Davis 2002-4-15 PDR 053578 Los Angeles Southern California; LAX property at 9100 S Hastings Ave. 0 Comment
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May 30 2014
  UCD142495  Euphorbia terracina P. Davis 2002-4-15 PDR 053578 Los Angeles LAX property at 9100 S Hastings Ave. Comment
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May 30 2014
  JEPS32341  Euthamia occidentalis J. Thomas Howell 1927-10-29 3179 Los Angeles se of Long Beach Comment
  SBBG128199  Extriplex californica M. G. Simpson, A. Russell, J. Dunn, D. Pivorunas 2000-7-19 2183 Los Angeles end of rd S from Eel Point 30 Comment
  LA98907  Festuca arundinacea E. R. Hobbs; 1979-5-6 79 -68 Los Angeles Placerita Canyon State and County Park Comment
  UCR151025  Festuca arundinacea Scott D. White 1997-5-7 5060 Los Angeles San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, alluvial fan at base of mountains. SW of Hwy 210, east of Hansen Dam, and north of Wentworth Street 351 Comment
  SBBG31486  Festuca bromoides R. F. Thorne 1966-4-7 Los Angeles near uppermost of series of small ponds near Arrow Pt; W end of island 76 Comment
  UCR107806  Festuca microstachys Steve Boyd, Valerie Soza 1998-4-28 10177 A Los Angeles Liebre Mtns, Antelope Valley, at foot of Portal Ridge along Lancaster Road, just south of the junction with Calif. Hwy 138, west of Fairmont Comment
  IRVC26451  Festuca myuros A. C. Sanders, Mark Elvin, et al. 2003-3-4 25696 Los Angeles Newhall Ranch, upper "Long Canyon," ca. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River NE end of Santa Susana Mtns. 335 Comment
  RSA0091350  Festuca octoflora R. G. Swinney 2011-4-1 14300 Los Angeles WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  CATA3397  Festuca perennis Peter J. Dixon 2017-4-28 087 Los Angeles Santa Catalina Island: Near Isthmus, 700 m northeast of Tower Pk. 250 Comment
  SBBG128236  Festuca perennis M. L. Hoefs, S. A. Junak 1997-6-4 2766 Los Angeles deep tank reservoir, by rd above Empire Landing 106 Comment
  RSA747051  Ficus palmata R. G. Swinney 2008-5-30 8891 Los Angeles San Gabriel Canyon at El Encanto, west bank of the river. 256 Comment
  LA94446  Filago californica Carl Epling; L. Ellison 1929-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA0020289  Filago californica Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5103 Los Angeles San Gabriel Mountains region: Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA356054  Filago californica R. F. Thorne 1973-3-26 42722 Los Angeles San Gabriel Mts: Webb Canyon 365 Comment
  RSA755988  Filago californica Orlando Mistretta, Christine Mistretta 2008-4-13 2432 Los Angeles Southern California transmission line tower (Segment 6, structure 14 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1116 Comment
  SD69450  Foeniculum vulgare Robert F. Thorne, P. Everett 1965-6-22 Los Angeles Santa Catalina Island: Avalon Canyon 89 Comment
  POM211788  Foeniculum vulgare L. C. Wheeler 1933-8-14 2084 Los Angeles San Gabriel Mountians, San Dimas Canyon. 502 Comment
  RSA453794  Foeniculum vulgare Robert L. Dressler 1948-7-28 63 Los Angeles Baldwin Hills, rolling hills with grass cover. Comment
  SJSU2246  Foeniculum vulgare C. W. Sharsmith 1942-9-9 4514 A Los Angeles Beverly Hills Comment
  UCR190923  Forestiera pubescens R. G. Swinney 1999-6-28 7450 Los Angeles San Gabriel Mtns./Mojave Desert, Graham Canyon, south of Mescal Highlands Rd. 1494 Comment
  CAS-BOT-BC52537  Frangula californica subsp. californica Steve Boyd; Amber Maurice 2004-5-18 11309 Los Angeles Transverse Ranges; Liebre Mountains region: Atmore Meadows area Comment
  UCR277114  Frangula californica subsp. californica R. G. Swinney 2010-10-5 13960 Los Angeles San Gabriel Mountains, Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center 463 Comment
  POM158276  Frankenia grandifolia M. B. Dunkle 1928-5-12 1923 Los Angeles Santa Catalina Island: Empire Landing 61 Comment
  CATA1240  Frankenia salina Mark L. Hoefs, Phil Hartman, Bret Marin 1995-6-27 2318 Los Angeles Santa Catalina Island: Ballast Point at Catalina Harbor 2 Comment
  RSA602953  Frankenia salina Mark Hoefs, Steven A. Junak, Janet Takara, Keri Kirkland 1995-11-10 2563 Los Angeles Santa Catalina Island: Cherry Valley, just back from rocky beach. 3 Comment
  RSA392133  Frasera neglecta Bonnie C. Templeton 1939-6-19 4932 Los Angeles Big Pines Park Comment
  UCR151241  Frasera neglecta L. C. Wheeler 1968-8-7 s.n. Los Angeles San Gabriel Mtns, Divide between W Fork Bear Creek and Devils Canyon 1799 Comment
  UCR26244  Frasera neglecta John C. Roos 1937-5-31 2037 Los Angeles San Gabriel Mtns., Big Pines 2195 Comment
  CAS-BOT-BC223415  Fraxinus dipetala Timothy S. Ross 1992-4-21 6218 Los Angeles San Gabriel Mountains. Glendora Ridge Road: on the divide between San Dimas Canyon & Cattle Canyon, draining northwestward toward Peacock Canyon 1158 Comment
  SFV5277  Fraxinus dipetala W. A. Kelley 1969-4-1 s. n. Los Angeles Santa Monica Mountains Studio City. Fire Road No.9. Comment
  SEINET10500047  Fraxinus dipetala Griesel 1986-5-14 GRIESEL s.n. Los Angeles San gabriel mts. Lower placerita canyon, in side area (n-facing) foothills. Largest one observed in this area. A small cluster of multi trunked specimens, Over 50 ft tall,measured. Comment
  UCR256544  Fremontodendron californicum Anuja Parikh, Nathan Gale 2011-6-14 3464 Los Angeles Transverse Range: San Gabriel Mountains, north ofAliso Canyon, 0.1 mi west of Angeles Forest Hwy, 1.0 km north of Aliso Canyon Road 1222 Comment
  CHSC3677  Galium angustifolium Mary MacArthur 1966-5-26 32 Los Angeles Sivrtzers camp - San Gabriel Mts. 914 Comment
  LA208319  Galium angustifolium Carl Epling; 1926-4-10 Los Angeles Simi Hills, Santa Susana Pass Comment
  RSA0038351  Galium angustifolium George B. Grant 1904-4-10 488 Los Angeles Pasadena. Comment
  JEPS7855  Galium angustifolium subsp. angustifolium C. E. Hutchinson 1892-7-20 Los Angeles Old Mt. Wilson Trail 914 Comment
  CAS-BOT-BC223045  Galium angustifolium subsp. gabrielense Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-25 3771 Los Angeles San Gabriel Mountains. Vicinity of Crystal Lake 1700 Comment
  RSA527651  Galium aparine Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-4-8 4370 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  SBBG132118  Galium catalinense subsp. acrispum S. A. Junak 1996-4-13 SCI 313 Los Angeles S fork of first cyn S of Bryce Cyn, upstream from fork in cyn 274 Comment
  CAS-BOT-BC217509  Galium grande L. Street 1918-5-19 s.n. Los Angeles Mt. Wilson Trail Comment
  RSA202668  Galium grande Lauramay T. Dempster, G. Ledyard Stebbins 1964-1-26 3975 Los Angeles Hillside above Chantry's Flat, San Gabriel Mountains. Altitude ca. 2200 feet. 671 Comment
  RSA584851  Galium grande Tim S. Ross 1993-6-1 7354 Los Angeles Upper Winter Creek Trail between Chantry Flat and Hoegee Camp ( on Winter Creek), on the W side of Santa Anita Canyon. 817 Comment
  RSA164848  Galium johnstonii Wesley O. Griesel 1963-8-9 874 Los Angeles Highway #2 near Mt. Pacifico turnoff 1829 Comment
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Aug 30 2008
  RSA230202  Galium johnstonii Robert F. Thorne 1969-7-2 38265 Los Angeles Angeles National Forest; along Angeles Crest Hwy, 0.5 miles S of Dawson Saddle 2378 Comment
  UCR209238  Galium johnstonii R. G. Swinney 2008-6-17 9057 Los Angeles San Gabriel Mountains, ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26 2160 Comment
  UCR275524  Galium johnstonii D. E. Bramlet 2011-8-13 4946 Los Angeles San Gabriel Mountains, Mt. Gleason, along Mt. Gleason Rd./ Forest Serv. Rd 3N17 1944 Comment
  UCR98255  Galium nuttallii Scott D. White 1997-3-12 4767 Los Angeles Western Transverse Range; Santa Monica Mtns., NW of Zuma Beach. Encinal Canyon Road between Pacific Coast Highway & Mulholland Highway 610 Comment
  LA51406  Galium nuttallii subsp. nuttallii Peter H. Raven; 1960-5-15 15367 Los Angeles SANTA MONICA MOUNTAINS, Piuma Road 2.7 mi. W of Rambla Pacifica. 426 Comment
  UCR182478  Galium parishii R. G. Swinney 1997-7-17 5686 Los Angeles San Gabriel Mtns., summit of Table Mountain, NW of Wrightwood 2277 Comment
  SBBG131532  Galium parisiense S. A. Junak 1999-7-17 SCa 1073 Los Angeles Middle Ranch, Janet Takara's house 213 Comment
  RSA585928  Galium porrigens var. porrigens Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-8 2935 Los Angeles Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats) 1250 Comment
  LA40311  Garrya veatchii W. R. B.; April 1947 sn Los Angeles San Gabriel Mountains, Angeles National Forest, Angeles Crest Highway Comment
  LA93202  Garrya veatchii Kei Nakai; 1975-11-27 TCSP 1 155 -75 Los Angeles Santa Monica Mountains, Topanga Canyon, Topanga Canyon State Park, along fire road 30 426 Comment
  UCR147712  Garrya veatchii Walter Wisura 1999-9-10 5135 Los Angeles Transverse Ranges; San Gabriel Mts. region, 3.5 mi west of Cow Canyon Saddle on forestry road off Glendora Ridgeroad Comment
  RSA158334  Gastridium phleoides P. H. Raven 1962-7-10 17967 Los Angeles Upper reaches of Cave Canyon, the large canyon draining southwest from Thirst, San Clemente Island Comment
  SBBG128212  Gastridium phleoides M. L. Hoefs, S. A. Junak, R. Philbrick 2001-5-18 3176 Los Angeles near rd between Cottonwood Cyn and Black Jack Cmpgrd 225 Comment
  RSA755942  Gayophytum R. G. Swinney 2008-7-25 9303 Los Angeles Twin Peaks, east peak. 2357 Comment
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Sep 27 2010
  UCR223201  Gayophytum R. G. Swinney 2009-7-22 11308 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  HSC16390  Gayophytum diffusum C. E. Fellows 1965-9-3 123 Los Angeles 3/10 mi. W of Cold Creek Rd. on Mulholland Rd. Comment
  RSA0096796  Gayophytum heterozygum R. G. Swinney 2011-10-10 15726 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 1537 Comment
  RSA230061  Gayophytum heterozygum Robert F. Thorne 1971-6-26 40592 Los Angeles San Gabriel Mountians, Angeles National Forest: on summit of Mt. Wilson 1738 Comment
  SD69643  Genista linifolia Robert F. Thorne 1966-4-28 36240 Los Angeles Santa Catalina Island; Wrigley Drive near Avalon 91 Comment
  RSA390990  Geranium carolinianum Anstruther Davidson 1890-04 s.n. Los Angeles [No location information on label.] Comment
  POM2733  Geranium molle S. Krauss 1909-6-14 2 Los Angeles Claremont. Comment
  RSA681156  Geranium rotundifolium LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber. 2003-6-17 1065 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. 550 Comment
  UCR162287  Gilia Anuja Parikh, Nathan Gale 2004-6-2 2030 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 3) in vicinity of confluence of Castaic Creek 290 Comment
  RSA0102408  Gilia Lyman Benson, Robert Benson 1953-4-20 15096 Los Angeles Southwest corner of Indian Hill, Claremont. 426 Comment
  UCR259993  Gilia achilleifolia R. G. Swinney 2010-6-21 13305 Los Angeles San Gabriel Mountains, 0.2 miles east of Wilson Canyon Saddle, jct. of Santa Clara Truck Trail and Los Pinetos Spring Trail, on south side of Truck Trail 951 Comment
  SEINET12278750  Gilia achilleifolia E. A. Purer 1935-1 6560 Los Angeles Malibou Road, Santa Monica Mts Comment
  RSA600713  Gilia aliquanta subsp. aliquanta L. C. Wheeler 1955-4-16 7126 Los Angeles San Gabriel Mountains: Pinyon Flat. Comment
  UCR130059  Gilia aliquanta subsp. aliquanta George K. Helmkamp, E. A. Helmkamp 1998-5-21 4055 Los Angeles Western Mojave Desert/Transverse Range, junction of Munz Ranch Rd and Lake Elizabeth Rd., north of Lake Elizabeth 1006 Comment
  POM10160  Gilia angelensis P. A. Munz, R. D. Harwood 1920-5-17 3992 Los Angeles Topango Canon [now Topanga Canyon], Santa Monica Mountains. 213 Comment
  RSA596002  Gilia angelensis L. C. Wheeler 1967-5-2 9260 Los Angeles Liebre Mountains. North side of northwestern most end of foothills (of San Gabriel Mts.) between Bouquet Junction and Bonelli Ranch. 366 Comment
  RSA657286  Gilia angelensis Greg Burchett, Lisa Kegarice, Curtis Clark 1992-5-26 92 -18 Los Angeles Santa Clara River west from I-5 to trailer park. 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
  POM11346  Gilia atractyloides var. macrantha F. L. Robinson 1921-6-2 89 Los Angeles Between Claremont and Upland Comment
  UCR281173  Gilia brecciarum subsp. brecciarum R. G. Swinney 2014-4-23 16157 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains 1256 Comment
  SD31174  Gilia capitata Edith A. Purer 1931-3-16 989 Los Angeles Palos Verdes Hills. Comment
  RSA470214  Gilia capitata subsp. abrotanifolia Anstruther Davidson 1914-05 s.n. Los Angeles La Crescenta. Comment
  RSA656061  Gilia capitata subsp. abrotanifolia James Henrickson 1985-3-30 19793 Los Angeles Ca. 3 air mi. nnw. of Newhall in proposed North Hills development just north of Santa Clara River and just e. of San Francisquito Creek 354 Comment
  POM8769  Gilia capitata subsp. abrotanifolia P. A. Munz 1920-3-13 3308 Los Angeles Puddingstone Canyon, San Dimas 304 Comment
  RSA17136  Gilia capitata subsp. abrotanifolia C. B. Wolf 1936-4-26 7775 Los Angeles San Fernando Valley, West side of Burbank at Victory Blvd. and Elm Ave. 152 Comment
  UCR6143  Gilia diegensis Karl Bernhard 1967-5-13 s.n. Los Angeles San Gabriel Mtns, County road N3; 100 yards north of Mt. Emma Road, 50 ft. from road 1067 Comment
  SEINET3163570  Gilia gilioides G. B. Grant 1906-6-14 507 Los Angeles Summit Mt. Wilson, S. Calif. 1829 Comment
  UCR166085  Gilia latiflora Dat Tien 2004-5-1 s.n. Los Angeles Western Mojave Desert, Antelope Valley, c. 9 mi NE of Littlerock and c. 4 mi west of Lake Los Angeles (housing development) 884 Comment
  CAS-BOT-BC226343  Gilia latiflora subsp. davyi Marjorie Shaw; Edna Spaulding; Mrs. C. L. Walton 1917-4-6 s.n. Los Angeles Boquet Canyon Comment
  POM9142  Gilia latiflora subsp. davyi W. R. Dudley, F. H. Lamb 1896-6-9 4381 Los Angeles Kings Canyon, Liebre Mts. Comment
  RSA469399  Gilia latiflora subsp. davyi Frances Runyan 1973-4-14 s.n. Los Angeles On dirt road just out of Gorman. 1067 Comment
  RSA571305  Gilia latiflora subsp. latiflora Steve Boyd, Darin L. Banks, Orlando Mistretta 1994-4-29 8301 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
  JEPS69617  Gilia latiflora subsp. latiflora Thomas Craig 1928-4-28 1043 Los Angeles Big Rock Creek road to Los Angeles County Playground (San Gabriel Mts.); San Gabriel Mts. Comment
  RSA150674  Gilia nevinii P. H. Raven 1962-4-10 17192 Los Angeles San Clemente Island: among rocks on sides of a steep gully, on east side of island below a point about 2 miles north of Thirst. 473 Comment
  RSA469473  Gilia nevinii F. R. Fosberg 1931-4-7 S 4496 Los Angeles Hamilton Beach, Santa Catalina Island. 10 Comment
  RSA535745  Gilia nevinii T. S. Ross 1991-5-23 5494 Los Angeles San Clemente Island: lower Tota Canyon, middle of island, eastern escarpment 81 Comment
  UCR191197  Gilia splendens R. G. Swinney 1999-7-5 7529 Los Angeles San Gabriel Mtns., Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines Hwy at a point 0.5 mi. west of junction of Hwy 2 1866 Comment
  UCR205909  Gilia splendens R. G. Swinney 2008-5-5 8779 Los Angeles San Gabriel Mtns., Punchbowl Canyon at north boundary of Devils Punchbowl County Park, confluence of East and West Forks of Punchbowl Cyn, 0.3 mi. south of Big Rock Creek 1256 Comment
  RSA603907  Githopsis diffusa subsp. diffusa L. C. Wheeler 1975-6-8 s.n. Los Angeles San Gabriel Mountains: ca. 1 mile E of mouth of Little Tujunga Canyon. Comment
  UC530091 Image available Githopsis gilioides Frank W. Peirson 1925-4-23 5780 Los Angeles forks San Gabriel River San Gabriel Mountains, San Gabriel River; San Gabriel Mts., Los Angeles Co. 533 Comment
  UCR141020  Glyptopleura marginata June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, near the Three Sisters hills, Antelope Valley, NE of Llano 976 Comment
  NY43119  Gnaphalium bicolor J. B. Walker 1995-6-6 1435 Los Angeles Santa Catalina Island, Lower Cape Canyon, hillside above buffalo corrals 280 Comment
  RSA724552  Gnaphalium californicum K. Dobry 1992-4-14 D- 364 Los Angeles Camp Shalom. West Santa Monica Mts along Arroyo Sequit. 5 mi No of Pacific Coast Hwy. Comment
  UCR180022  Gnaphalium canescens R. G. Swinney, Dave Larson 1996-8-7 5224 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, southern third of west half of Brown's Flat 1317 Comment
  RSA632523  Gnaphalium canescens subsp. beneolens L. C. Wheeler 1965-8-22 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon campground. Comment
  RSA747421  Gnaphalium palustre R. G. Swinney 2008-5-12 8846 Los Angeles east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  POM188387  Goodmania luteola P. A. Munz, T. Craig 1933-5-13 12932 Los Angeles 10 miles south of Muroc. Comment
  RSA337432  Grayia spinosa R. F. Thorne, Gary D. Wallace 1973-4-25 43398 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1/4 mi N of Bob's Gap, 3.5 mi S of Llano, N slope of Holcomb Ridge. 1159 Comment
  SD136017  Grindelia camporum Meredith A. Lane 1986-9-6 3094 Los Angeles East of intersection of California State Highway 138 and California State Highway 14; intersection of Avenue D and Sierra Highway. 609 Comment
  RSA67367  Guillenia lasiophylla F. W. Peirson 1919-3-27 327 Los Angeles Foot of trail to Lukens Peak 609 Comment
  LA201909  Gutierrezia californica Arthur C. Gibson; 2003-6-14 4979 Los Angeles Simi Hills, NW edge Chatsworth Reservoir just E of Valley Circle Blvd, near Chatsworth Lake Manor 274 Comment
  SD244601  Gutierrezia californica David Keil 1986-9-27 19734 2 Los Angeles Along I-5, just s of Hungry Valley Rd exit. Roadside pullout and adjacent flats. 914 Comment
  UCR274078  Hainardia cylindrica Steven A. Junak, Mark Hoefs 1998-6-12 SCa- 732 Los Angeles Channel Islands, Santa Catalina Island, along Banning House Road, c. 1.0 mile from Two Harbors 229 Comment
  PASA1740  Haplopappus palmeri var. pachylepis Frank W. Peirson 1921-11-11 Los Angeles Lower part of Bouquet Canyon 426 Comment
  RSA583015  Harpagonella palmeri T. S. Ross, Janet Takara 1993-4-23 6939 Los Angeles Santa Catalina Island: Upper E side of Cottonwood Canyon drainage, on northwesterly-trending ridge 900m WNW of Black Jack Mt. summit 493 Comment
  SBBG62191  Harpagonella palmeri S. A. Junak 1998-3-21 SCa 497 Los Angeles Cape Cyn, along E side of Cape Cyn Rd, ca. 2.4 rd mi from intersection with Airport Rd 377 Comment
  RSA0107282  Hedypnois cretica R. G. Swinney 2011-5-10 14629 Los Angeles San Gabriel Mountains: Angeles Natl. Forest, Manzanita Mt., at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center. 616 Comment
  RSA300654  Helenium bigelovii J. R. Shevock 1974-10-5 3879 Los Angeles Along trail to Mt. Baden-Powell in the vicinity of Lamel Springs. San Gabriel Mountains. Angeles National Forest. 2361 Comment
  RSA638949  Helianthemum scoparium L. C. Wheeler 1967-5-15 9558 Los Angeles San Gabriel Mountains: Fremont Pass, north side. 563 Comment
  UCR260008  Helianthemum scoparium R. G. Swinney 2010-3-24 12092 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
  CHSC95505  Helianthemum scoparium var. vulgare LeRoy Gross; Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1092 Los Angeles Transverse Ranges: Verdugo Mountains region: North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. Low foothills north of the 210 freeway. We followed the firebreak southwest. 598 Comment
  RSA11374  Helianthemum scoparium var. vulgare C. Epling, N. Dunn 1931-5-30 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains. Comment
  RSA682653  Helianthemum scoparium var. vulgare LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1092 Los Angeles North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. 598 Comment
  UC1584253  Helianthus annuus Tim Ross and Steve Boyd 1990-6-6 2890 Los Angeles Piru Pond, Liebre Mtn USGS 7.5' quadrangle Los Padres National Forest, Liebre Mtn. Quad., Piru Pond 644 Comment
  UCSB6594  Helianthus annuus Crum, Charles 1958-7-19 Los Angeles Roadside in Topanga Canyon Comment
  OBI51864  Helianthus annuus Dominique Joyner, Stacie Call 1994-3-23 4 Los Angeles Northridge valley, Eddleston park n on Reseda just past Rinaldi on rt side Comment
  RSA612165  Helianthus gracilentus L. C. Wheeler 1932-7-2 916 Los Angeles Ridge south of Brown's Flat; San Gabriel Mts. 1371 Comment
  UC134690  Helianthus gracilentus C. F. Baker 1904-5-1 4719 Los Angeles Claremont Comment
  CAS-BOT-BC305811  Heliomeris G. R. Campbell 1950-4-17 14591 Los Angeles Escondido Canyon, leading to Malibu Lake, about 7 miles above Hwy 101 (coastal) 457 Comment
  LA209962  Heliotropium curassavicum var. oculatum Peter H. Raven; Henry J. Thompson 1959-9-6 14374 Los Angeles 6 Comment
  SD69612  Heliotropium curassavicum var. oculatum Robert F. Thorne, P. Everett 1965-5-11 34558 Los Angeles Salt flat behind north beach at Little Harbor; Santa Catalina Island. 2 Comment
  CAS-BOT-BC310101  Hemizonella minima Frank W. Peirson 1920-6-10 238 Los Angeles San Gabriel Mts. Summit Mt. Wilson Comment
  CAS-BOT-BC310106  Hemizonella minima Geo. B. Grant 1906-6-17 543 a-6689 Los Angeles Summit of Mt. Wilson 1890 Comment
  RSA515095  Hemizonia clementina Aaron Liston, Orlando Mistretta, Riesenberg 1989-8-29 801 -6 Los Angeles San Clemente Island, main dune area At Darter Road, NW part of island Comment
  RSA666512  Hemizonia fasciculata A. C. Sanders, D. Malueg 2001-5-17 24342 Los Angeles Montebello Hills in Montebello, 11 acres gas company property at SW corner of Jefferson Blvd. and Montebello Blvd., being decomissioned. 122 Comment
  POM230186  Hemizonia fasciculata I. W. Clokey, Edward Anderson 1933-5-9 6948 Los Angeles Pomona Hills. 400 Comment
  CDA35654  Hemizonia kelloggii R. Arias, L. Cortez 2011-8-16 PDR# 1313940 Los Angeles Leona Valley; Elizabeth Lake Road near 90th Street. 0 Comment
  UCR88686  Hemizonia minthornii Scott D. White 1995-10-11 3694 Los Angeles Santa Susana Mtns., Santa Susana Pass Rd., turnout at unnamed dirt rd., c. 1/2 mi east of Lilac Ln. Comment
  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
  CAS-BOT-BC403829  Hesperocnide tenella Louis C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mountains: East side Little Tujunga Canyon, 3/4 mile south southeast Herreres Ranch Comment
  POM19140  Hesperocnide tenella Philip A. Munz 1923-4-9 6664 Los Angeles San Clemente Island, east coast. Comment
  SD262148  Hesperoyucca whipplei R. G. Swinney 2014-5-27 16661 Los Angeles San Gabriel Mountains: Glendora, ridge between east and north forks of Hook Cyn, c. 400 south of Glendora Ridge Mtwy & 200 m north of Church of the Open Door, NE of Hook Cyn debris basin (Glendora 7.5'Q) 445 Comment
  UCR223250  Heterocodon rariflorum R. G. Swinney 2009-7-22 11370 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  CATA1902  Heteromeles arbutifolia Elizabeth Baniaga, Joseph Vickers, Ariella Markowitz, Leia Moyse, Makaela Ballard, Benjamin Carter 2012-8-3 Los Angeles Santa Catalina Island: City of Avalon, near base of Hermit Gulch Trail 121 Comment
  POM1843  Heteromeles arbutifolia D. L. Crawford 1915-7-16 s.n. Los Angeles Live Oak Canyon -Claremont Comment
  RSA654411  Heteromeles arbutifolia Matt Brooks 1988-5-12 48 Los Angeles Hacienda Heights, along Oak Canyon Rd. 1.0 miles south of its intersection with Turnbull Canyon Rd. Comment
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Aug 12 2014
  SD211347  Heteromeles arbutifolia var. macrocarpa L. M. Huey 1925-12-12 Los Angeles San Clemente Island. Comment
  RSA0074446  Heterotheca grandiflora A. E. Hersh 1950-7-9 s.n. Los Angeles Trolley Way and Navy, Ocean Park. 8 Comment
  UC206242  Heterotheca grandiflora Katharine Brandegee Los Angeles Santa Catalina Island Comment
  RSA0074076  Heterotheca grandiflora F. R. Fosberg 1930-7-7 3145 Los Angeles Alamitos Bay. 4 Comment
  SD107810  Heterotheca grandiflora Larry DeBuhr, Gary Wallace 1972-9-1 688 Los Angeles San Clemente Island; West Cove on northwest side of island. Comment
  CAS-BOT-BC310845  Heterotheca sessiliflora subsp. fastigiata Louis Wheeler 1932-9-11 1372 Los Angeles 2 mi. NE La Verne 373 Comment
  UCR149782  Heterotheca subaxillaris Scott D. White, Pam Devries 2004-6-14 10498 A Los Angeles Western Transverse Ranges, Eastern Santa Susana Mountains. West of the I-5 Freeway, c. 4 mi N of I-5 / SH-14 jtn and 6 mi south of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 518 Comment
  SBBG126040  Heuchera caespitosa O. Mistretta with C. Mistretta 2008-5-20 3136 Los Angeles Rincon Red Box Rd W fork of the San Gabriel River, N slope of Monrovia Pk; San Gabriel Mtns 1150 Comment
  RSA0045441  Heuchera caespitosa Wendy Boes, Andrew S. Wheeler 2009-6-21 2009 -020 Los Angeles San Gabriel Mountains; Sunset Peak, Forest Service RD 2N07.2 1737 Comment
  CAS-BOT-BC48130  Heuchera elegans Rimo Bacigalupi; G. T. Robbins; L. R. Heckard 1953-6-15 4200 Los Angeles Along Forest Service road following crest of Mendenhall Ridge, 9 miles east of its start at 1493 Comment
  CAS-BOT-BC55360  Hirschfeldia incana F. Grinnell Jr. 1917-9-9 s.n. Los Angeles Near Los Angeles. Los Angeles River Bottom. Comment
  RSA706552  Holcus lanatus LeRoy Gross 2005-6-23 2382 Los Angeles Road survey for Angeles National Forest; From Alder Saddle 4 miles down road 5N04 along South Fork Little Rock Creek. 1458 Comment
  LA82507  Hordeum brachyantherum subsp. californicum O. H. Kappler; 1943-5-2 396 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  CAS-BOT-BC284993  Hordeum depressum Alice Eastwood 1906-5-27 178 Los Angeles Country adjacent to Los Angeles. San Pedro Comment
  RSA0055764  Hordeum murinum R. G. Swinney 2010-4-1 12136 Los Angeles San Gabriel Mountains: Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Mac 399 Comment
  UCR186928  Hordeum murinum A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32026 Los Angeles Tehachapi Mtns. Foothills, west end of Antelope Valley, north of Hwy 138 near mouth of Tentrock Canyon, c. 1 mile NW of La Liebre Ranch (High Desert Hunt Club) buildings 945 Comment
  UCR255828  Hordeum murinum R. G. Swinney 2010-5-12 12736 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
  RSA757805  Hordeum murinum subsp. glaucum Orlando Mistretta, Christine Mistretta 2008-4-7 2373 Los Angeles along SCE transmission line corridor, ca. 1.5 mi. NW of intersection of transmission line with State Hwy. 14 (1.75 mi. NW of Vincent substation), southeast edge of Sierra Pelona Ridge. (Segment 5, structure 41 per TRTP survey-2008) 972 Comment
  SEINET3129344  Hordeum nodosum L. R. Abrams 1901-6-6 1734 Los Angeles Mesmir Comment
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Apr 17 2015
  UCSB6766  Hordeum vulgare B., K. 1943-3-25 Los Angeles Dalton C.C.C., San Dimas Experimental Forest, San Gabriel Mountains Comment
  RSA499235  Horkelia cuneata subsp. cuneata E. S. Spalding 1924-5-3 s.n. Los Angeles Manhattan Beach. Comment
  RSA530055  Horkelia rydbergii Tim S. Ross 1991-8-16 5838 Los Angeles San Gabriel Mountains, Horse Flats. 1720 Comment
  LA47890  Hosackia crassifolia var. crassifolia Victor Duran; 1933-7-8 3504 Los Angeles San Gabriel Mountains, Horse Flats 1676 Comment
  SBBG67329  Hosackia crassifolia var. crassifolia V. Duran 1933-7-8 3504 Los Angeles Horse Flats 1676 Comment
  SBBG68147  Hosackia oblongifolia var. oblongifolia unknown -Aug-1893 Los Angeles Los Angeles Comment
  JEPS17479  Hydrocotyle sibthorpioides C. F. Saunders 1931-9-27 Los Angeles Pasadena Comment
  CHSC35833  Hypochaeris glabra James Henrickson 1979-5-18 Los Angeles Ca 2 miles SE of Newhall, N of San Fernando Road, ca 1 mile NW of Hwy 14. Flats S of creek. Along San Fernando Road. 402 Comment
  POM361213  Hypochaeris glabra Donald R. Bissing 1973-6-2 146 Los Angeles Evey Canyon; in open grassy area beside road 0.3 miles from canyon mouth; 720 Comment
  RSA659737  Hypochaeris glabra Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-3 96 Los Angeles San Clemente Island. Comment
  POM246808  Isocoma menziesii var. sedoides F. R. Fosberg 1931-4-12 4576 Los Angeles Santa Catalina Island; Palisades near Jewfish Point. 15 Comment
  RSA127985  Isocoma menziesii var. sedoides H. J. Thompson 1958-10-23 1814 Los Angeles Point Dume. 30 Comment
  RSA356036  Isocoma menziesii var. vernonioides R. F. Thorne 1975-9-3 47378 Los Angeles Santa Catalina Island, Fisherman's Cove Comment
  POM19155  Iva axillaris P. A. Munz 1923-5-27 6886 Los Angeles Mouth of Pallett Creek Comment
  SBBG110088  Jepsonia malvifolia D. Wilken with E. Painter 1997-12-2 15394 Los Angeles N branch of Eagle Cyn 260 Comment
  RSA650894  Juglans californica A. E. Hersh 1950-7-15 s.n. Los Angeles about 3 miles from west end of Topanga Canyon. El. 152 Comment
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Dec 27 2011
  RSA780934  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37167 Los Angeles Pomona, between Mt. San Antonio College and Cal Poly Pomona on Temple Ave., at crest of pass 245 Comment
  UCR132319  Juglans californica John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 366 Comment
  SD41537  Juglans californica var. californica Darley F. Howe 1947-3-22 1519 Los Angeles Topango Canyon, 0.5 mile from ocean. Comment
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May 22 2014
  CAS-BOT-BC478180  Juglans hindsii R. E. Jr. Riefner 2015-7-26 15 -213 Los Angeles Los Angeles, W side of Riverside Drive, vicinity of Stadium Way, W of I-5 Freeway 121 Comment
  RSA755954  Juncus Dan S. Cooper 2007-5-4 3 Los Angeles Griffith Park. c. 300 m south of Travel Town in small side canyon. Comment
  UCR223383  Juncus R. G. Swinney 2009-5-27 10887 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
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Dec 7 2018
  UCR277006  Juncus R. G. Swinney 2010-9-30 13906 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
  UCR240015  Juncus balticus R. G. Swinney 2009-11-9 11582 Los Angeles Transverse Range; San Gabriel Mountains, confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  LA82496  Juncus bufonius O. H. Kappler; 1943-5-2 388 Los Angeles SANTA MONICA MOUNTAINS, W-fork Las Trancas (Rattlesnake) Canyon, N slope. 365 Comment
  UC1594378  Juncus bufonius Tim Ross 1992-4-16 6202 Los Angeles 289 degrees wnw, 680m distant from peak above Stone Station (central part of San Clemente Island); San Clemente Island 416 Comment
  UC1605497  Juncus bufonius Tim Ross, Steve Boyd 1993-5-23 7241 Los Angeles on slope 435 m se of saddle between Ruby Canyon and Clearwater Canyon (Liebre Mts., lower e ridge of Red Mt., area on s side of Forest Service fire road); Liebre Mts., lower e ridge of Red Mt. 963 Comment
  CATA1141  Juncus bufonius var. bufonius Mark L. Hoefs 1995-5-23 2132 Los Angeles Santa Catalina Island: Middle Canyon at Thompson Reservoir 195 Comment
  CATA543  Juncus bufonius var. bufonius Mark L. Hoefs, Robert F. Thorne 1975-8-7 807 Los Angeles Santa Catalina Island: Haypress Reservoir 457 Comment
  RSA600730  Juncus covillei L. C. Wheeler 1954-9-1 7088 -A Los Angeles San Gabriel Mountains; Little Rock Creek at Buckhorn. Comment
  JEPS48957  Juncus duranii J. Ewan 1936-8-14 10060 Los Angeles Lilly Springs San Gabriel Mts., Mt. Hawkins; Lilly Springs, Mt. Hawkins, Los Angeles Co., San Gabriel Mts. Comment
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Feb 28 2010
  RSA70294  Juncus duranii F. W. Peirson 1921-7-17 2844 Los Angeles Prairie Fork of San Gabriel River, San Gabriel Mountains. 2134 Comment
  RSA368263  Juncus macrophyllus C. Epling, A. N. Dunn 1931-5-30 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains. Comment
  UCR273381  Juncus macrophyllus R. G. Swinney 2011-10-18 15806 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
  RSA368289  Juncus oxymeris Samuel R. Tyson 1942-5-22 s.n. Los Angeles San Dimas Canyon 488 Comment
  RSA571884  Juncus phaeocephalus var. phaeocephalus Geo L. Moxley 1915-5-9 319 Los Angeles Canyon in hills east of Occidental College Comment
  POM184645  Juncus rugulosus L. C. Wheeler 1932-9-5 1351 Los Angeles San Antonio Canyon, San Gabriel Mountains. 884 Comment
  RSA737100  Juncus rugulosus Scott D. White, Justin M. Wood 2008-10-7 12533 -A Los Angeles San Gabriel River- West Fork, between Bear Creek and Rincon Red Box Rd. 549 Comment
  UCR189981  Juncus rugulosus R. G. Swinney 1998-9-4 6906 Los Angeles San Gabriel Mtns, Vincent Gap, off trail c. 350 m SE of parking area at spring near canyon bottom 1988 Comment
  UCR269135  Juncus rugulosus Orlando Mistretta, Christine Mistretta 2011-7-6 5902 Los Angeles San Gabriel Mountains, Fall Creek Canyon, tributary of North Fork Mill Creek, along Forest Road 3N27 1239 Comment
  RSA69859  Juncus textilis F. W. Peirson 1921-6-20 1640 Los Angeles North Fork of San Gabriel River 762 Comment
  RSA776391  Juncus tiehmii Orlando Mistretta, Christine Mistretta 2010-5-22 5188 Los Angeles Upper Aliso Cyn, about 1.5 miles north of Mill Creek summit. 1311 Comment
  RSA368401  Juncus xiphioides George R. Johnstone 1930-6-22 s.n. Los Angeles Soledad Canyon near Ravenna. 762 Comment
  LA6544  Juniperus californica Harlan Lewis; 1942-11-28 252 Los Angeles Little Rock Comment
  POM158296  Keckiella cordifolia M. B. Dunkle 1928-3-11 1732 Los Angeles Santa Catalina Island. Upper Canyon slopes, Grand Canyon. Comment
  RSA754361  Keckiella cordifolia Ellen Mackey, Alexia Mackey 2006-6-29 NFWF- 1755 Los Angeles Turnbull Canyon, Turnbull Canyon Road 313 Comment
  SD252360  Keckiella cordifolia Steven A. Junak 2000-5-19 Sca 1321 Los Angeles Santa Catalina Island: N-facing slope overlooking Button Shell Beach, on N side of ridge between Button Shell Camp & White's Landing, just W os powerline route. 228 Comment
  UCR94680  Kochia californica A. C. Sanders, E. J. Lott 1993-5-6 13987 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
  RSA20389  Kochia californica Roxana S. Ferris, Ruth P. Rossbach 1938-5-13 9475 Los Angeles 5 miles W of Lancaster on the Antelope Valley Rd. Comment
  CAS-BOT-BC123287  Koeleria cristata var. pinetorum LeRoy Abrams 1902-6-29 2599 Los Angeles Mt. Wilson Comment
  RSA529907  Koeleria macrantha Timothy S. Ross 1991-8-16 5816 Los Angeles San Gabriel Mountains, Horse Flats 1720 Comment
  SEINET3828348  Krascheninnikovia lanata C. Epling, Wm. Robinson 1935-1 Los Angeles Rocky slope of mesa South of San Augustine. Comment
Read comments
Mar 9 2015
  CDA7524  Lactuca serriola Phillipson 1915-6-12 Los Angeles Monrovia. Comment
  JEPS36685  Lactuca serriola F. W. Peirson 1921-7-20 1488 Los Angeles San Gabriel River San Gabriel Mts., San Gabriel River 457 Comment
  RSA757956  Lagophylla ramosissima subsp. ramosissima Michael Honer, Crissy Slaughter, Julie Love 2009-4-29 3291 Los Angeles Antelope Valley: 0.75 mi. N of Highway 138, 1.2 mi. E of 170th Street. 793 Comment
  RSA592188  Lamarckia aurea L. C. Wheeler 1967-3-3 9172 Los Angeles Sunset Ridge, west of Chaney Trail. Comment
  SBBG133656  Lamarckia aurea R. F. Thorne 28-Aop-1968 37489 Los Angeles between headwaters of Middle and Graveyard Cyns 91 Comment
  SD69351  Lamarckia aurea Robert F. Thorne, P. Everett 1965-5-10 34453 Los Angeles Echo Lake, Santa Catalina Island 410 Comment
  UC818677  Lamarckia aurea Agnes Chase Apr 12 1910-Apr 15 1910 5543 Los Angeles Playa del Rey, (upper beach) Playa del Rey Comment
  SD126465  Lampranthus tenuifolius A. C. Sanders 1987-7-22 7169 Los Angeles El Segundo Dunes, west of L.A. International Airport & Pershing Dr, east of Vista Del Mar Blvd. 29 Comment
  CAS-BOT-BC412752  Lastarriaea coriacea A. J. McClatchie 1893-5-1 s.n. Los Angeles Pasadena Comment
  LA202617  Lasthenia californica A. M. Johnson; 1932-4-4 3922 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). 160 Comment
  SFV13266  Lasthenia californica M. J. Thor 1983-4-16 179 Los Angeles Mojave Desert Hi Vista, north of Saddle Back Butte State Park along 200th Street. 933 Comment
  RSA323746  Lasthenia californica F. H. Elmore 1939-2-18 400 Los Angeles San Clemente Island Comment
  RSA708573  Lasthenia coronaria Valerie L. Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1159 Los Angeles Ridgetop above McDonald Creek. 457 Comment
  UC30404  Lasthenia coronaria Dr. A. Davidson 1892-5-1 Los Angeles near Los Angeles Comment
  SBBG61658  Lasthenia gracilis R. Hoffmann 1929-4-26 Los Angeles Soledad Cyn Comment
  CATA1890  Lathyrus odoratus Denise Knapp 2006-5-12 Los Angeles Santa Catalina Island: Hayfield across from J. Ackerman Native Plant Nursery 0 Comment
  RSA3532  Lathyrus vestitus subsp. alefeldii C. B. Wolf 1932-5-9 3475 Los Angeles Santa Catalina Island. Along the trail in the left (east) fork of Pebbly Beach Canyon, 1/2 mile above the Mexican houses. 61 Comment
  RSA406633  Lathyrus vestitus subsp. alefeldii M. V. Hood 1945-5-1 2235 Los Angeles Tapia Park area 762 Comment
  RSA595683  Lathyrus vestitus subsp. laevicarpus T. S. Ross, Victor W. Steinmann 1995-5-8 8549 Los Angeles First unnamed canyon E of Spunky Canyon, N side of Bouquet Reservoir 939 Comment
  SBBG43845  Lavatera assurgentiflora subsp. glabra M. R. Benedict 1971-6-27 Los Angeles across rd from civilian barracks about 0.3 mi S of pier at Wilson Cove Comment
  CAS-BOT-BC321532  Layia glandulosa Nora Pettibone; Frank W. Hubby 1897-4-3 s.n. Los Angeles Pasadena Comment
  RSA763223  Layia glandulosa Justin M. Wood 2010-5-10 1588 Los Angeles Little Rock Creek: upstream of Little Rock reservoir to confluence w/ Santiago Creek. 999 Comment
  UC30630  Layia glandulosa J. Burtt Davy May 9 1896-May 24 1896 2558 Los Angeles Antelope Valley, Manzana Comment
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Apr 24 2007
  UCR271212  Layia platyglossa R. G. Swinney 2011-4-20 14453 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
  CAS-BOT-BC380219  Layia platyglossa Peter H. Raven 1962-5-21 17816 Los Angeles Santa Catalina Island: lower end of Bullrush Cnyon 198 Comment
  UC1594398  Layia platyglossa Tim Ross 1992-4-14 6151 Los Angeles midway between the mouth of Nanny Canyon and the first major escarpment draw s of it central E side of island; San Clemente Island Comment
  RSA344532  Layia platyglossa subsp. campestris F. C. Boutin 1967-4-23 1670 Los Angeles San Clemente Island: E side of island, Lemon Tank, a dump site 305 Comment
  SBBG18708  Lepechinia fragrans E. R. Blakley 1963-4-10 5579 Los Angeles jct of White's Landing and Airport Rd, NE side of Black Jack Mtn 365 Comment
  UCR231907  Lepidium dictyotum var. dictyotum Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-19 8010 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, 100 m east of Sierra Highway, 240 m north of Avenue F, and 1.3 km south of Avenue E 703 Comment
  RSA735833  Lepidium didymum Scott D. White, Justin Wood 2008-5-6 11938 Los Angeles Puente / Chino Hills: Chino Hills, NW of Carbon Canyon Rd. and SE of Tonner Canyon, on SCE powerline corridor (SE corner of county). 213 Comment
  UCR222739  Lepidium fremontii R. G. Swinney 2009-4-29 10608 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  CAS-BOT-BC12471  Lepidium nitidum Marcus E. Jones 1882-2-27 3036 Los Angeles Pasadena. Comment
  RSA203065  Lepidium nitidum James Henrickson 1966-4-16 2259 Los Angeles Los Angeles Co., California; 14 miles east of Gorman along hwy 138 Comment
  UC1010238  Lepidospartum latisquamum John C. Roos 1951-7-30 5073 Los Angeles Swartout Valley between Wrightwood and Big Pines; San Gabriel Mts., Swartout Valley between Wrightwood and Big 1981 Comment
  POM361765  Lepidospartum squamatum F. R. Fosberg 1931-1-7 7108 Los Angeles Sierra Madre. 300 Comment
  UC535338  Lepidospartum squamatum Ira W. Clokey, B. Templeton 1929-8-1 4598 Los Angeles Mandeville Canyon; Santa Monica Mts. 200 Comment
  RSA0062659  Leptodactylon californicum Tim Traver 1981-4-26 31 Los Angeles CA Highway 39, 2 miles up river toward Cogswell Res. from road. Comment
  RSA595160  Leptosiphon androsaceus Steve Boyd 1996-4-25 8705 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
  RSA230189  Leptosiphon breviculus R. F. Thorne 1969-7-2 38226 Los Angeles San Gabriel Mountains, Angeles National Forest: Charlton Flats burn (of 1954) 1601 Comment
  RSA530048  Leptosiphon breviculus T. S. Ross 1991-8-16 5835 Los Angeles San Gabriel Mountains, Horse Flats. 1720 Comment
  POM175377  Leptosiphon breviculus West, Helen E. Sweet, E. Crow 1930-7-12 s.n. Los Angeles San Gabriel Canyon: above Pine Flats North Fork. Comment
  RSA608044  Leptosiphon liniflorus L. C. Wheeler 1947-6-13 6519 Los Angeles San Gabriel Mountains: Mesa south of San Antonio Canyon [Los Angeles/San Bernardino counties]. Comment
  UCSB24001  Leptosyne bigelovii Mori, Dianna 1964-5-3 Los Angeles 3 miles from Calif. Highway 138 on Old Ridge Rd. 1127 Comment
  SDSU3816  Leptosyne gigantea R. M. Beauchamp 1967-3-20 370 Los Angeles Santa Catalina Island. Comment
  SEINET8483168 Image available Leptosyne gigantea J. Henrickson 1974-2-24 13806 Los Angeles Santa Catalina Island, on Bird Rock, N of the isthumus Comment
  UCR23838  Lessingia filaginifolia John C. Roos 1942-9-12 1719 Los Angeles City of Los Angeles, Westwood Village Comment
  UCD134064  Lessingia glandulifera W. M. Phillipson 1915-1 s.n. Los Angeles Monrovia. Comment
  POM153335  Lessingia glandulifera var. glandulifera P. A. Munz, I. M. Johnston 1928-9-4 11139 Los Angeles Pacoima Wash, near San Fernando. Comment
  RSA774801  Lessingia glandulifera var. glandulifera R. G. Swinney 2009-7-23 11397 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UC55076  Lessingia glandulifera var. glandulifera Miss E. D. Palmer 1904-11-1 Los Angeles vicinity of Los Angeles Comment
  CAS-BOT-BC339562  Lessingia glandulifera var. peirsonii Ynez Whilton Winblad 1941-6-4 s.n. Los Angeles Antelope Valley, between Lancaster and highway 99 Comment
  SEINET8719009 Image available Leymus condensatus F. R. Fosberg 1931-1 S 4831 Los Angeles Cottonwood Canyon. Santa Catalina Island Comment
  CDA32478  Leymus triticoides L. C. Wheeler 1966-10-1 8931 Los Angeles San Gabriel Mountains. Big Tujunga at Colby Ranch Road. Comment
  POM11338  Lilium parryi I. M. Johnston 1917-8-22 1703 Los Angeles Prarie Fork of San Gabriel River, San Antonio Mountains. 2134 Comment
  HSC104238  Linanthus aureus subsp. aureus R. G. Swinney 2009-4-24 10442 Los Angeles Transverse Ranges; San Gabriel Mtns., Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  RSA0068083  Linanthus aureus subsp. aureus R. G. Swinney 2010-5-19 12840 Los Angeles 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
  CAS-BOT-BC123852  Linanthus breviculus subsp. royalis LeRoy Abrams; Ernest Alexander McGregor 1908-7-5 642 Los Angeles Swartout Canyon, San Gabriel Mountains 1828 Comment
  CHSC3739  Linanthus californicus Sue Boergadine 1966-4-28 11 Los Angeles 8 mi NE of Newhall. Comment
  LA33441  Linanthus dianthiflorus Peter H. Raven; 1959-4-4 13954 B Los Angeles 24 Comment
  UC52828  Linanthus dichotomus H. M. Hall 1902-5-1 3065 Los Angeles Elizabeth Lake 1066 Comment
  SEINET4043537  Linanthus dichotomus O. M. Clark 1929-1 1915 Los Angeles West Lancaster, southern California. Comment
  RSA21245  Linanthus parryae C. B. Wolf 1937-4-28 8516 Los Angeles Mojave Desert, Antelope Valley, 4.5 miles S of Lancaster. 716 Comment
  RSA727340  Linanthus parryae R. G. Swinney 1998-5-16 6057 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  SEINET12279114  Linanthus parryae I. Tavares, Brinson, V. 1962-1 290 Los Angeles On Hwy 138, 26 mi E of Palmdale 1036 Comment
  RSA229072  Linanthus pungens R. F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38899 Los Angeles San Gabriel Mountains, Angeles National Forest: Canyon above Angeles Crest Hwy. ca. 1 mile W of Vincent Gap, at one of headwaters of E fork Big Rock Creek N-face Mt. Baden-Powell. 2332 Comment
  RSA468516  Linanthus pungens F. R. Fosberg 1931-8-12 792 Los Angeles Summit Mt. Islip, San Gabriel Mountains. 2500 Comment
  RSA151233  Linaria canadensis var. texana Peter H. Raven 1962-4-10 17212 Los Angeles Along summit ridge about 2 miles north of Thirst, San Clemente Island. 488 Comment
  RSA646990  Lithophragma affine LeRoy Gross, Michael Honer, Leland Lubinsky 2000-4-27 199 Los Angeles San Rafael Hills: South of Descanso Garden and north of the main ridge. 487 Comment
  CAS-BOT-BC432203  Lithophragma bolanderi Frank W. Peirson 1922-6-3 3079 Los Angeles Collins Ranch, Liebre Mts. 1143 Comment
  RSA600080  Lithophragma bolanderi Steve Boyd, Lauren Raz 1997-5-20 9794 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
  JEPS2704 Image available Lithophragma scabrellum var. peirsonii F. W. Peirson 1922-6-3 Los Angeles Collins Ranch n. slope Liebre Mts.; Collins Ranch, N slope of Liebre Mts., Southern Calif. 1143 Comment
  POM18075  Lithophragma tenellum P. A. Munz 1923-5-26 6853 Los Angeles Big Rock Creek, San Gabriel Mountains 1829 Comment
  POM4569  Lobelia dunnii var. serrata C. F. Baker 1903-9-20 3699 Los Angeles San Antonio Canyon near Claremont. Comment
  SD253423  Lobelia dunnii var. serrata R. G. Swinney 2011-10-27 15933 Los Angeles San Gabriel Mountains: 1.4 miles E (downstream) from entrance gate to Cogswell Dam, at confluence of Butterfield Canyon and W Fork San Gabariel River, along West Fork National Scenic Bikeway (Azusa 7.5'Q) 633 Comment
  UCR220239  Lobularia maritima R. G. Swinney 2009-4-13 10333 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte 184 Comment
  RSA279035  Lobularia maritima R. F. Thorne 1971-4-23 41487 Los Angeles Angeles National Forest; NE of Chantry Flats along Santa Anita Creek. 549 Comment
  RSA690931  Loeseliastrum matthewsii J. Mark Porter, Lauren Machen 2004-5-2 14089 Los Angeles San Gabriel Mountains, northern foothills; ca. 0.25 mi. E of Largo Vista Road, several miles S of the California Aqueduct. 1360 Comment
  SBBG128333  Logfia filaginoides S. Lawrence-Gomez, A. Cheung, D. Kasang, M. Zou, S. Ratay 2011-7-8 37 Los Angeles Deer Valley Trail 92 Comment
  POM356955  Lolium perenne subsp. multiflorum Charles F. Seymour 1902-6-9 s.n. Los Angeles U.S.C. across from campus on Westley Ave. Comment
  POM356982  Lolium temulentum Grethe Moskedahl 1923-04 s.n. Los Angeles Bandini Station Comment
  RSA545312  Lomatium dasycarpum subsp. dasycarpum T. S. Ross, Mathew Bell 1992-3-22 6053 Los Angeles Santa Monica Mountains; W side of Yerba Buena Road ca. 360m NNW of intersection with Mullholand Hwy 488 Comment
  SD254520  Lomatium lucidum R. G. Swinney 2011-5-10 14646 Los Angeles San Gabriel Mountains: c. 0.4 mile NE of Manzanita Mt. along connection trail between Hillside Trail and Manzanita Mt. trail, inside Placerita Canyon Natural Area (Mint Canyon 7.5'Q) 500 Comment
  SFV6239  Lomatium utriculatum M. H. Grayum, K. Felt 1974-5-22 s. n. Los Angeles Santa Susana Mountains North side of Oat Mountain. Above cattle reservoir on Orcutt Ranch. 1021 Comment
  LA205976  Lonicera hispidula var. vacillans R. Herley; 1932-4-26 sn Los Angeles Santa Catalina Island, Avalon Canyon Comment
  RSA608503  Lonicera subspicata var. denudata L. C. Wheeler 1930-5-31 48 Los Angeles Santa Monica Mountains: Mandeville Canyon. Comment
  UC450847  Lonicera subspicata var. denudata Fay A. MacFadden 1931-7-10 3079 Los Angeles Tuna Canyon Verdugo Hills Comment
  UCR125897  Lotus A. C. Sanders, Mark Elvin, et al 2002-6-26 25298 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River about 0.25 mile downstream from large natural spring at north foot of 'Airport Mesa' and c. 0.75 mile above Castaic Creek confluence, c. 1 mi. SW of Castaic Junction 305 Comment
  RSA294752  Lotus Lyman Benson 1945-5-21 11726 Los Angeles [Unspecified] 396 Comment
  UCR227761  Lotus argophyllus subsp. ornithopus R. F. Thorne 1973-4-12 42900 Los Angeles Channel Islands, San Clemente Island, China Point at end of road 15 Comment
  RSA406758  Lotus argophyllus subsp. ornithopus George B. Grant, Walter Wheeler 1904-04 6257 Los Angeles Santa Catalina Island. Comment
  UC126744  Lotus argophyllus var. argenteus I. J. Condit 1908-6-27 12 Los Angeles Santa Catalina Island Comment
  RSA228841  Lotus argophyllus var. argophyllus R. F. Thorne 1971-6-26 40623 Los Angeles mouth of Big Tujunga Canyon 427 Comment
  RSA406745  Lotus argophyllus var. argophyllus Anstruther Davidson 1892-6-12 s.n. Los Angeles Wilson Peak. San Gabriel Mountains Comment
  UC1129242  Lotus argophyllus var. argophyllus Jerome S. Horton 1938-6-9 503 Los Angeles Upper East Fork San Dimas Canyon San Dimas Experimental Forest, Cucamonga Quad. 1615 Comment
  RSA161102  Lotus dendroideus var. dendroideus P. H. Raven 1962-5-22 17847 Los Angeles Santa Catalina Island. Hillside near stream about 1 mile below Middle Ranch Comment
  RSA561590  Lotus grandiflorus var. grandiflorus Steve Boyd 1993-5-17 8146 Los Angeles North of sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. at the western edge of the forest on ridge at head of Elsmere Canyon, north of Sombrero Road (3N64) and west of communications facility. 883 Comment
  POM243731  Lotus hamatus F. R. Fosberg 1931-3-26 S- 4394 Los Angeles Santa Catalina Island. Above St. Catherine Hotel. 15 Comment
  UC618523  Lotus hamatus Alice M. Ottley 1920-5-3 587 Los Angeles side of Little Tujunga Wash Comment
  UC80812  Lotus heermannii Ernest Braunton 1902-5-10 330 Los Angeles Rivera Comment
  UCR159701  Lotus heermannii var. heermannii Orlando Mistretta 1992-7-14 710 Los Angeles Transverse Ranges, San Gabriel Mtns: Gold Canyon Trail, Tujunga Ranger District 614 Comment
  POM7134  Lotus heermannii var. heermannii C. F. Baker 1904-05 4715 Los Angeles hills near Clarmont Comment
  RSA90322  Lotus humistratus F. W. Peirson 1919-5-11 406 Los Angeles Arraster [Arrastre] Creek, north slope of San Gabriel Mts. 854 Comment
  UCR217137  Lotus purshianus Jonas A. Winbolt, Rocky Brown 2010-8-20 008 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
  UC1922168  Lotus purshianus var. purshianus Valerie L. Soza, Ileene Anderson, LeRoy Gross 2000-6-6 975 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, southwest side: North of Chandler Fire Road (Verdugo Mtwy), N of ''La Tuna'', above Chandler and Fisher canyons, S of La Tuna Canyon Near 34deg 13' 36.7'' N 118deg 20' 9.2'' W T2N R14W NE/4, SW/4 sec. 27. Elev. 1600 Feet. Comment
  RSA188212  Lotus salsuginosus R. F. Thorne, P. C. Everett 1965-6-23 34947 Los Angeles Santa Catalina Island. Ben Weston Beach, W side of island. Comment
  RSA591987  Lotus salsuginosus Mark Hoefs, Doug Propst 1973-4-6 165 Los Angeles Santa Catalina Island. Ridge above Black Jack Camp 473 Comment
  UCR266275  Lotus salsuginosus D. E. Bramlet 2005-4-13 3799 Los Angeles Puente Hills, Powder Canyon 229 Comment
  RSA783418  Lotus salsuginosus J. D. Olmsted 1958-3-10 36 Los Angeles High stream terrace above southwestward draining Liveoak Creek, 3 miles north of Webb school above HIll ranch along fire road NE of Claremont 549 Comment
  HSC98260  Lotus scoparius C. S. Apperson 1967-6-11 Los Angeles 4 mi. up Haskell Cyn. Rd. off of Bouquet Cyn. Rd. Comment
  RSA406856  Lotus scoparius Gale Sphon 1955-4-12 s.n. Los Angeles Point Dume Comment
  UCR182675  Lotus scoparius subsp. brevialatus R. G. Swinney 1998-4-11 5941 Los Angeles San Gabriel Mtns, Claremont, 0.5 to 1 mi. NE of Padua Hills Restaurant, which is on Padua Dr. 793 Comment
  UC495280  Lotus scoparius var. brevialatus Philip A. Munz 1932-5-17 12641 Los Angeles 1 mi n Claremont 396 Comment
  IRVC29653  Lotus strigosus A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26233 Los Angeles Castaic, south side of Lake Hughes Rd. near Ridge Route, west of Castaic Creek, Newhall Ranch property Western San Gabriel Mtns. 351 Comment
  POM1925  Lotus strigosus C. F. Baker 1904-4-22 4173 Los Angeles Monrovia. Comment
  RSA549199  Lotus strigosus T. S. Ross 1990-6-20 3678 Los Angeles San Gabriel Mountains: Rincon-Red Box Rd (2N24); ridgetop between W Fork San Gabriel River and Roberts Canyon 1329 Comment
  RSA585532  Lotus strigosus T. S. Ross 1992-4-21 6221 Los Angeles San Gabriel Mountains, Glendora Ridge Road: north margin of road pull-out ca 215 meters NW of Horse Canyon Saddle 1024 Comment
  RSA660103  Lotus strigosus Orlando Mistretta 1992-6-12 533 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  RSA724523  Lotus strigosus K. Dobry 1991-6-28 d- 889 Los Angeles Santa Monica Mts. Las Virgenes Rd. and Mulholland Hwy. at Soka Univ., E. Section Comment
  UC1184969  Lotus strigosus Huron H. Smith 1912-5-1 4886 Los Angeles Eagle Rock Valley 152 Comment
  UCR270936  Lotus strigosus R. G. Swinney 2011-6-14 15123 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  POM277132  Lotus strigosus E. S. Steele, H. S. Pratt 1935-4-6 s.n. Los Angeles Eagle Rock hills Comment
  RSA226194  Lotus wrangelianus Gary D. Cromwell 1971-5-14 669 Los Angeles Mystic Canyon, Angeles National Forest, 2 miles NE of Glendora. 564 Comment
  UC1922341  Ludwigia peploides subsp. montevidensis R. E. Riefner Jr. 2007-6-28 07 -283 Los Angeles Harbor City, Bixby Slough, vicinity of 255th St. and Dodge Ave. Comment
  UCR276939  Lupinus R. G. Swinney 2010-5-21 12862 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  RSA406987  Lupinus M. B. Dunkle 1934-3-31 3936 Los Angeles Warren's Well. 5 mile S. Mojave Desert. 976 Comment
  CAS-BOT-BC201416  Lupinus albifrons var. albifrons Alice Eastwood 1917-7-20 6472 Los Angeles Santa Catalina Island Comment
  LA33935  Lupinus bicolor Henry J. Thompson; 1959-5-24 2025 Los Angeles Santa Monica Mountains, Cold Creek, 0.6 mi ENE of Saddle Peak 701 Comment
  SD116300  Lupinus bicolor David B. Dunn 1946-4-19 2120 Los Angeles Arid valley approaching the Mojave along the Newhall to Palmdale Hwy 6 near Acton 609 Comment
  UCR223463  Lupinus bicolor R. G. Swinney 2009-6-3 11052 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
  POM350042  Lupinus bicolor subsp. microphyllus E. A. Purer, Freda Detmers 1931-3-19 s.n. Los Angeles Los Angeles; along Manchester Ave near Vermont Comment
  RSA101204  Lupinus bicolor subsp. microphyllus David B. Dunn 1946-4-12 2112 Los Angeles 1.5 blocks east of Figuroa Blvd on Ave 52 in a vacant lot among wild oats. Highland Park, Los Angeles. 244 Comment
  RSA535272  Lupinus bicolor subsp. umbellatus Tim S. Ross 1991-5-20 5314 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons, area burned within previous two years; upper E fork of Box canyon 477 Comment
  RSA187893  Lupinus concinnus Robert F. Thorne 1966-4-7 35946 Los Angeles Santa Catalina Island: Cherry Valley. 61 Comment
  SBBG113146  Lupinus concinnus S. A. Junak with M. L. Hoefs, J. Takara 1997-3-28 SCa 395 Los Angeles N side of Cherry Cove, at Birdie Chester grave site 21 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
  RSA0047920  Lupinus elatus R. G. Swinney 2010-9-23 13873 Los Angeles Summit of Middle Hawkins Peak on Hawkins Ridge. 2576 Comment
  RSA755591  Lupinus elatus R. G. Swinney 2008-7-15 9225 Los Angeles Winston Peak. 2275 Comment
  RSA794750  Lupinus elatus Jane Tirrell, Graham Bothwell 2012-7-11 LS 0107 Los Angeles Open bench approx. 150 ft. south of California State Route 2, southeast of mile marker 67.7 2498 Comment
  UC1178506  Lupinus elatus Peter Kamb 1947-6-30 615 Los Angeles below summit of Mt. Islip San Gabriel Mountains 2438 Comment
  CAS-BOT-BC216651  Lupinus excubitus subsp. hallii I. M. Johnston 1918-7-6 2078 Los Angeles Prairie Fork of San Gabriel River 1828 Comment
  CAS-BOT-BC216656  Lupinus excubitus subsp. hallii Grant 1902-5-10 s.n. Los Angeles Arcadia Comment
  RSA573741  Lupinus excubitus var. austromontanus T. S. Ross 1992-7-17 6725 Los Angeles ca 300 m W of the summit of Condor Peak, San Gabriel Mts. 1588 Comment
  SFV1876  Lupinus excubitus var. austromontanus P. G. Kilburn 1958-6-18 839 Los Angeles San Gabriel Mountains Angeles Crest Highway near Big Pines. 0.8 miles southeast of Highway on gravel road. 2226 Comment
  CAS-BOT-BC215337  Lupinus excubitus var. excubitus W. R. Dudley; F. H. Lamb 1896-6-9 4416 Los Angeles Elizabeth Lake Canon [Canyon], Liebre Mountains Comment
  RSA0105029  Lupinus excubitus var. hallii R. G. Swinney 2011-4-26 14498 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir. 378 Comment
  SEINET10485286  Lupinus excubitus var. hallii David B. Dunn 1957-5-18 Dunn RSA 6226 x 6432 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
  RSA756905  Lupinus formosus R. G. Swinney 2008-6-17 9037 Los Angeles 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1992 Comment
  UC1584913  Lupinus formosus Tim Ross, Steve Boyd 1991-7-24 5664 Los Angeles vicinity Granite Mountain (San Gabriel Mountains); Pacifico Mountain quad., San Gabriel Mts., Granite Mountain 1889 Comment
  RSA305927  Lupinus formosus var. bridgesii McFadden 1933-05 11041 Los Angeles Pacoima, San Fernando Valley Comment
  SD121776  Lupinus formosus var. bridgesii Dara Emery 1955-4-28 Los Angeles 2.0 miles north of Rock Creek turnoff on road to Big Pines. Comment
  RSA414782  Lupinus formosus var. formosus James Clizbe 1930-5-6 16055 Los Angeles Griffith Park, Los Angeles. Comment
  RSA91229  Lupinus formosus var. formosus F. W. Peirson 1919-3-11 90 Los Angeles First small canyon east of Rubio Canyon, south base of San Gabriel Mts. 534 Comment
  CHSC919  Lupinus hirsutissimus E. Thomas 1940-4-6 Los Angeles Claremont. 353 Comment
  RSA515132  Lupinus hirsutissimus Aaron Liston, Orlando Mistretta, Loran Rieseberg 1989-4-28 795 -1 Los Angeles San Clemente Island, China Canyon, central branch, S end of island. Comment
  UCR259973  Lupinus hirsutissimus R. G. Swinney 2010-4-28 12441 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  RSA230257  Lupinus latifolius subsp. parishii R. F. Thorne 1969-7-2 38320 Los Angeles San Gabriel Mts., Angeles National Forest: Moist area about spring 1 mile SW of Kratka Ridge along Angeles Crest Hwy. 2073 Comment
  CAS-BOT-BC211655  Lupinus longifolius Theodore Payne 1925-5-1 s.n. Los Angeles Sierra Madre Comment
  CAS-BOT-BC211677  Lupinus longifolius Greene 1904-4-2 4098 Los Angeles Hills near Monrovia Comment
  CAS-BOT-BC211707  Lupinus longifolius Greene 1904-2-17 4008 Los Angeles Claremont Comment
  UCD107980  Lupinus longifolius C. F. Baker 1909-4-10 5301 Los Angeles Glendora. Comment
  SEINET10485606  Lupinus longifolius David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. Seeds from open field pollen vector. Comment
  UC130904  Lupinus odoratus Katharine Brandegee May 1909 Los Angeles Lancaster Comment
  UCR141157  Lupinus odoratus June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, near Hi Vista, vicinity of Ave G at 200th St. East, Antelope Valley 945 Comment
  UCR167212  Lupinus odoratus S. J. Myers 2005-5-11 s.n. Los Angeles Western Mojave Desert, NE of Lancaster, SW of the intersection of Avenue H and 10th Street, 120 acre area near landing strip 720 Comment
  UC604835  Lupinus odoratus Roxana S. Ferris and Ruth P. Rossbach 1938-5-13 9489 Los Angeles between Roosevelt and Wilsonia Comment
  SD126395  Lupinus polycarpus D. B. Dunn 1947-3-19 2925 Los Angeles north side of Wilshire, 1/2 block east of Manning in a vacant lot Comment
  SEINET3860168  Lupinus sparsiflorus R. G. Swinney 2009-3-26 10165 Los Angeles San Gabriel Mtns. Foothills: Azusa, San Gabriel River at El Encanto Azusa River Wilderness Park.; 0 296 Comment
  UC15869  Lupinus sparsiflorus J. H. Barber 1907-4-20 141 Los Angeles Pomona Experiment Station Comment
  RSA526573  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-4-7 4281 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  RSA636143  Lupinus sparsiflorus subsp. sparsiflorus R. F. Thorne 1974-4-9 44702 Los Angeles San Gabriel Mountains: Bob's Gap in Holcomb Ridge. 1219 Comment
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Feb 7 2008
  RSA177716  Lupinus succulentus Robert F. Thorne, Percy C. Everett 1965-5-12 34609 Los Angeles Santa Catalina Island, Bullrush Canyon 244 Comment
  RSA414306  Lupinus succulentus Robert Gustafson 1981-4-29 2218 Los Angeles Ballona Wetlands, Area 1. Comment
  CATA512  Lupinus truncatus Sara L. Crockett 1997-4-9 656 Los Angeles Santa Catalina Island: 1.0 mile up Hermit Gulch Trail from Hermit Gulch CG, S side of trail 323 Comment
  LA52456  Lupinus truncatus W. O. Griesel; 1936-4-26 sn Los Angeles Santa Monica Mountains, Temescal Canyon 91 Comment
  POM2387  Lupinus truncatus Edward L. Greene 1904-4-2 4099 Los Angeles Claremont. Comment
  SFV20863  Lupinus truncatus L. Gross, M. Denslow, M. Sidibeh, V. Soza 2003-2-10 725 Los Angeles Verdugo Mountains South side of Verdugo Mountains along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Ridge east of the Brand Canyon Cemetary west of the land fill. Lower part of Brand Park motorway on southwest tranding ridge. 307 Comment
  UC185432  Lupinus truncatus Katharine Brandegee May 17 1916-May 25 1916 Los Angeles Santa Catalina Island Comment
  RSA633354  Lycium andersonii Louis C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast of Vincent. 991 Comment
  RSA722091  Lycium andersonii R. E. Riefner 2007-3-10 7 -114 Los Angeles Palos Verdes Peninsula, vicinity of Via Coronel Rd. and Via Olivera Rd. 100 Comment
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Apr 1 2016
  UCR140601  Lycium cooperi Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-17 3- 25 Los Angeles San Gabriel Mtns/Mojave Desert, Route 18 at W 263 Street, Site L3 1033 Comment
  SBBG131516  Lyonothamnus floribundus S. A. Junak 2000-5-19 SCa 1319 Los Angeles N-facing slope in cyn above Button Shell Beach 228 Comment
  RSA589873  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given, Gay, Fone 1994-8-3 8205 Los Angeles Santa Catalina Island. W end of the island, NW side of silver Peak, just below summit. 527 Comment
  UC1349065  Lyonothamnus floribundus subsp. floribundus Robert F. Thorne 1966-4-29 36320 Los Angeles in ravine below road to White's Laning (above turn-off to Echo Lake); Santa Catalina Island 403 Comment
  SBBG42251  Lyonothamnus floribundus var. aspleniifolius M. B. Dunkle 1939-4-6 7316 Los Angeles Mosquito Ridge Comment
  RSA0011275  Lythrum hyssopifolia Valerie L. Soza 1998-5-3 97 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. 412 Comment
  RSA549179  Madia elegans subsp. wheeleri Timothy S. Ross 1992-7-16 6688 Los Angeles Near summit of Mt. Gleason, just E of the military reservation. 1901 Comment
  POM362162  Madia exigua Anstruther Davidson s.n. Los Angeles Santa Catalina Island. Comment
  CAS-BOT-BC344383  Madia exigua F. W. Peirson 1923-5-21 3511 Los Angeles Along trail in Fish Canyon south slope of San Gabriel Mts. 914 Comment
  SD264782  Madia gracilis Steven A. Junak, Ralph Philbrick, Mark Hoefs 2001-5-19 Sca 1574 Los Angeles UTM in supplement. Santa Catalina Island. Along Black Jack Road, ca 0.15 mile from junction with Airport Road, ca 0.34 mile N of Black Jack summit, on N side of ridge below Black Jack Peak. 402 Comment
  SFV16071  Madia gracilis A. M. Orcino, A. Sutton 1994-5-18 32 Los Angeles Santa Monica Mountains Calabasas. Stunt High Trail, 1 mile east on Stunt Road from junction with Mulholland Highway. 796 Comment
  CAS-BOT-BC343600  Madia sativa Ernest Braunton 1902-8-1 655 Los Angeles Oak Knoll Comment
  RSA13148  Mahonia nevinii Percy C. Everett 1935-6-25 7244 Los Angeles San Fernando Valley: 1 mile NE of Pacoima on both sides of Van Nuys Blvd. 244 Comment
  UCR259129  Malacothamnus R. G. Swinney 2010-5-4 12528 Los Angeles San Gabriel Mountains, north of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park 457 Comment
  RSA785789  Malacothamnus clementinus Mark A. Elvin, Stone and Wall 1996-8-8 326 Los Angeles San Clemente Island, Lemon Tank Cyn, N side in dump site, ca 30 ft below canyon rim. Comment
  CAS-BOT-BC231883  Malacothamnus davidsonii Tim Ross; Steve Boyd 1993-6-30 7387 Los Angeles Western San Gabriel Mtns: near middle portion of Loop Canyon 684 Comment
  CAS-BOT-BC231888  Malacothamnus davidsonii Joseph Andorfer Ewan 1937-8-23 11047 Los Angeles Tujunga Canyon near its mouth, San Gabriel Mts. Comment
  LA105071  Malacothamnus fasciculatus Barry A. Prigge; 1988-7-3 8197 Los Angeles Santa Monica Mountains, Calabasas, ca 0.4 mi E of jtn of Mulholland Hwy and Old Topanga Rd, S of E-end of Calabasas High School track 313 Comment
  LA47326  Malacothamnus fasciculatus David M. Bates; 1961-5-28 2493 Los Angeles Santa Monica Mountains, Mulholland Hwy, 0.4 mi. E of Malibu Lake 152 Comment
  POM156515  Malacothamnus fasciculatus L. R. Abrams 1902-7-5 2656 Los Angeles Near the power house, San Gabriel Canyon. Comment
  SD112055  Malacothamnus fasciculatus Betsy Carpenter, Linda Allen 1975-3-21 Los Angeles Airport Road at Junction of White's Landing Road Comment
  POM2939  Malacothamnus fasciculatus subsp. fasciculatus Mary P. Walker 1898-5-7 20 Los Angeles Claremont. Comment
  UC1595304  Malacothamnus fasciculatus var. fasciculatus Tim Ross 1992-4-27 6237 Los Angeles S side of Indian Hill Mesa Claremont, Indian Hill Mesa 393 Comment
  RSA681898  Malacothamnus marrubioides Scott D. White, Michael Honer, Dylan Hannon 2003-7-16 9628 Los Angeles Santa Clarita Area: Santa Clara River wash, near Soledad Canyon Rd. bridge. Upstream and downstream ca. 1.5 miles. 390 Comment
  UCR229160  Malacothrix californica Dan S. Cooper 2011-5-5 511- 52 Los Angeles Western Mojave Desert, Antelope Valley, 5.4 mi southeast (119 deg. ) of Neenach, south of Ripley Reserve, south of Hwy 138 938 Comment
  SD66912  Malacothrix foliosa subsp. foliosa R. Mitchel Beauchamp 1967-3-19 327 Los Angeles San Clemente Island; 0.25 mile east of West Cove. Comment
  UCR119337  Malacothrix glabrata B. G. Pitzer 1998-5-12 3682 Los Angeles Western Mojave Desert, c. 18 mi. north of Adelanto, on 240th Street East, c. 2.8 mi north of intersection with El Mirage Road (= Avenue 'P'), and 3.2 mi. south of Avenue 'J 953 Comment
  UCR189266  Malacothrix glabrata R. G. Swinney 1998-5-16 6081 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  RSA176245  Malacothrix glabrata R. F. Thorne 1963-5-15 31675 Los Angeles San Gabriel Mountains region: 1 mile W of Los Angeles Co. line on Route 138, ca. 2 miles W of Desert Springs. 1220 Comment
  UCR241079  Malacothrix saxatilis Jeremiah George 2012-5-15 s.n. Los Angeles Western Transverse Range/San Gabriel Mtns., Santa Clarita, Bee Canyon just north of Soledad Canyon Road, SE of Hwy 14, west side of wash 537 Comment
  UCR260348  Malacothrix saxatilis R. G. Swinney 2010-5-4 12536 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
  POM362381  Malacothrix saxatilis var. tenuifolia Mary H. Ward 1970-6-19 LASCA- 938 Los Angeles San Rafael Hills, behind Linda Vista, southwestern Pasadena Comment
  RSA233727  Malacothrix saxatilis var. tenuifolia R. F. Thorne, C. W. Tilforth 1971-6-17 39978 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  UC1536039  Malacothrix saxatilis var. tenuifolia Robert F. Thorne September 1973 44722 Los Angeles Blue Cavern Point Santa Catalina Island Comment
  CAS-BOT-BC170386  Malosma laurina Alice Eastwood 1919-6-21 9057 Los Angeles San Fernando Comment
  RSA59884  Malosma laurina Verne Grant, Alva Grant 1950-11-5 9019 Los Angeles at base of hills in Coastal Sage Scrub north of Claremont Comment
  UC54808  Malosma laurina J. Burtt Davy October, 1896 2728 Los Angeles Santa Monica Comment
  RSA723219  Malus LeRoy Gross, R. E. Riefner Jr. 2007-6-25 2829 Los Angeles Southeast side of the San Rafael Hills: Behind a power substation, near a small pond. At end of Wierfield Drive. Near 313 Comment
  RSA649000  Malva parviflora Scott Lowe 1991-4-20 8 Los Angeles San Gabriel River channel, about 100 m. south of Valley Boulevard bridge, city of El Monte. Comment
  SFV6288  Marah fabacea M. H. Grayum, K. Felt 1974-5-22 s. n. Los Angeles Santa Susana Mountains North side of Oat Mountain along main ridge road. 1067 Comment
  HSC7040  Marah macrocarpa C. E. Fellows 1965-4-15 45 Los Angeles Santa Monica Mtns., SW corner at intersection of Cold Canyon Rd. and Mulholland Hwy. Comment
  LA200417  Marah macrocarpa Harlan Lewis; 1941-4-7 Los Angeles Santa Monica Mountains, UCLA campus 60 Comment
  UCR271985  Marrubium vulgare R. G. Swinney 2010-4-28 12412 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  OBI69390  Marrubium vulgare Patrick Byrne, Kelly Moser 1994-5-14 39 Los Angeles Santa Monica Mts, Topanga State Park, topanga, nearentrance at end of Waveview Dr, alongside a dirt fire rd 350 Comment
  RSA409817  Marrubium vulgare Freda Detmers 1931-03 s.n. Los Angeles Palos Verdes Hills. Comment
  UC1714367  Marrubium vulgare J. Grinnell 1903-6-27 Los Angeles near Pasadena (Arroyo Seco); Arroyo Seco Comment
  UC66831  Marrubium vulgare N. K. Berg 1904-3-29 Los Angeles Los Angeles Boyle Height Comment
  UCSB41658  Matricaria discoidea Warren, Linette 1982-4-17 Los Angeles 100 feet from east side of Browns Canyon Road; 1.0 miles north of its junction with Simi Valley Fwy.; Brown Canyon; Chatsworth 335 Comment
  CAS-BOT-BC348268  Matricaria occidentalis Ernest C. Twisselmann 1964-5-7 9389 Los Angeles Mojave Desert. Avenue A, south of Rogers Lake, Edwards Air Force Base 614 Comment
  CAS-BOT-BC422754  Meconella denticulata Geo. B. Grant 1898-3-4 5390 Los Angeles San Gab Can [Gabriel Canyon] Comment
  RSA91363  Medicago lupulina F. W. Peirson 1922-7-7 3191 Los Angeles Ranger's Cabin, Swartout Valley. 1799 Comment
  RSA765559  Medicago polymorpha Doris Bowers 1957-3-23 s.n. Los Angeles Rocky Point, LaVerne 335 Comment
  POM348054  Medicago polymorpha var. brevispina Robert Gustafson 1981-3-10 2116 Los Angeles Ballona Wetlands, Area 1. Comment
  CDA5155  Melaleuca quinquenervia R. E. Riefner Jr. 2007-3-1 07 -110 Los Angeles City of San Pedro, near Cabrillo Beach Park, salt marsh inlet channel at Salinas de San Pedro. Comment
  UC53922  Melampodium perfoliatum Ernest Braunton Aug 1902 625 Los Angeles Cienega Comment
  LA103569  Melica imperfecta Barry A. Prigge; 1986-3-29 7157 Los Angeles San Gabriel Mountains, E of Red Rover Mine Road X Antelope Valley Freeway on Escondito Canyon Road 914 Comment
  SEINET263606 Image available Melica imperfecta R. L. Lingenfelter 1954-5-11 888 Los Angeles Soledad Canyon Road near Tick Canyon Comment
  SJSU12980  Melica imperfecta C. W. Sharsmith 1941-6-22 4398 Los Angeles Eaton Canyon San Gabriel Mts 548 Comment
  UC1595260  Melica imperfecta Tim Ross and Peter Fritsch 1990-6-20 3626 Los Angeles mouth of Burro Canyon San Gabriel Mountains (near the confluence of the East and West Forks of the San Gabriel River) 445 Comment
  POM50047  Melilotus albus L. R. Abrams 1901-4-10 1456 Los Angeles Los Angeles. Comment
  RSA126735  Melilotus indicus Peter H. Raven 1959-4-4 13978 Los Angeles Point Dume, near houses behind point. 21 Comment
  RSA670981  Melilotus indicus Joseph M. Keefe 2001-1-19 30915 Los Angeles Roadside along Sholl Canyon Road, 3 meters north of beginning of the Eagle Rock Park Path, 200 meters north of Figueroa Street, Eagle Rock. 280 Comment
  UCR271907  Melilotus indicus R. G. Swinney 2010-5-7 12584 Los Angeles San Gabriel Mountains, Lake View Terrace, Oliver Canyon, 0.85 air miles north of I-210 Fwy., c. 100 meters east of cyn. bottom along private dirt service rd. 463 Comment
  RSA654334  Melilotus indicus Benjamen Rangel 1992-5-10 777 -40 Los Angeles In the avocado orchard behind the dormitories at Cal Poly Pomona; in the back side of the orchard by the freeway fence and the water drainage. Comment
  UC73396  Mentzelia congesta H. M. Hall 1899-6-20 1228 Los Angeles San Antonio Mountains, Lytte Creek Canyon 1752 Comment
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Mar 21 2014
  JEPS42770  Mentzelia dispersa Frank W. Peirson 1922-5-30 3074 Los Angeles San Gabriel Mountains, Mt. Lowe, Westspur 1371 Comment
  RSA182329  Mentzelia micrantha J. D. Olmsted 1962-4-30 3413 Los Angeles 1960 Johnstone Peak burn, from West Fork of San Dimas Creek to Wolfskill Falls 457 Comment
  RSA446775  Mentzelia micrantha M. B. Dunkle 1933-6-17 206 Los Angeles San Antonio River Canyon 915 Comment
  RSA446795  Mentzelia montana Anstruther Davidson 1906-6-1 1622 Los Angeles Big Rock Creek, Lowell Mine. Comment
  RSA524627  Mentzelia montana Tim S. Ross, Steve D. Boyd 1990-5-17 2596 Los Angeles San Gabriel Mts.: Mill Creek Tree Plantation, Tujunga District, Angeles National Forest. 1613 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
  UC19587  Mentzelia montana J. H. Barber 1897-6-28 211 Los Angeles Kentucky Springs Comment
  CAS-BOT-BC167618  Mentzelia veatchiana Le Roy Abrams 1901-4-1 1202 Los Angeles Ballona Harbor Comment
  RSA440365B  Mentzelia veatchiana Anstruther Davidson 1906-07 2791 Los Angeles Rock Creek Comment
  RSA599799  Mentzelia veatchiana Steve D. Boyd, Lauren Raz 1997-3-25 9291 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
  CAS-BOT-BC167613  Mentzelia veatchiana Ernest Braunton 1902-4-29 219 Los Angeles W. Pomona Comment
  RSA756178  Mentzelia veatchiana Orlando Mistretta, Christine Mistretta 2008-4-3 2264 Los Angeles Southern California Edison transmission line tower (Segment 5, Structure 69, per TRTP survey 2008) just south of state Hwy 14 in the vicinity of Soledad Pass 1002 Comment
  RSA0121221  Mesembryanthemum crystallinum Mary D. Merilatt 1936-7-10 s.n. Los Angeles Palos Verdes Hills, San Pedro. Comment
  RSA95086  Microseris douglasii subsp. tenella F. W. Peirson 1918-5-5 1466 Los Angeles Road from Brents on the Malibu, Santa Monica Mountains Comment
  UCR126898  Microseris lindleyi A. C. Sanders, Tricia Wotipka, Mark A. Elvin, and others 2003-4-29 26150 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east Lake Hughes Road 488 Comment
  RSA660420  Microseris lindleyi Orlando Mistretta 1992-5-21 396 Los Angeles Right Star Mine, S of Acton. Comment
  POM75321  Microsteris gracilis subsp. gracilis George B. Grant 1904-04 784 Los Angeles Lincoln Park. Comment
  RSA439244  Mimulus aurantiacus M. V. Hood 1939-5-30 s.n. Los Angeles Aliso Canyon. 1524 Comment
  RSA517144  Mimulus aurantiacus Tim S. Ross, S. D. Boyd 1990-5-14 2484 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Rander District. 1079 Comment
  RSA754236  Mimulus aurantiacus Ellen Mackey, Alexia Mackey 2006-6-29 NFWF- 1759 Los Angeles Turnbull Canyon, Turnbull Canyon Road 349 Comment
  UCR178380  Mimulus aurantiacus LeRoy Gross 2003-3-9 790 Los Angeles Transverse Ranges: San Rafael hills, (Verdugo Mountains Flora), Southwest side. A west-east trending ridge southwest of Flint Peak. Entered at west end, at Mount Carmel Drive, east of the (2) Glendale freeway, between Chevy Chase Drive (Sycamore Canyon) to the north, and Glenoak Blvd. (Scholl Canyon) to the south 357 Comment
  RSA305370  Mimulus aurantiacus var. puniceus D. C. Michener, J. Dourley, B. Haner, D. Pettys, M. Hoefs 1983-6-7 4298 Los Angeles Santa Catalina Island, Cherry Valley 61 Comment
  POM158260  Mimulus cardinalis M. B. Dunkle 1928-5-13 1951 Los Angeles Cottonwood Canyon, Santa Catalina Island. 15 Comment
  UCR124667  Mimulus cardinalis B. C. Templeton 1933-7-21 5039 Los Angeles San Gabriel Mountains, Prairie Forks 1905 Comment
  RSA595467  Mimulus fremontii Louis C. Wheeler 1967-5-12 9473 -A Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  UCR151658  Mimulus fremontii R. G. Swinney 1998-4-14 5981 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
  RSA187940  Mimulus guttatus Robert F. Thorne 1966-4-29 36300 Los Angeles Santa Catalina Island. Upper Middle Ranch Canyon just below small reservoir. 274 Comment
  RSA589073  Mimulus guttatus Orlando Mistretta 1994-6-6 1324 Los Angeles Little Rock Creek. Slopes on east side of canyon S. of jct. of Forest Service roads 4N15 and 5N04.3. 1311 Comment
  UCR187200  Mimulus guttatus A. C. Sanders 2006-4-18 32114 Los Angeles Tehachapi Mtns. Foothills, lower Oso Canyon, c. 1 mile north of Quail Lake 1006 Comment
  RSA158279  Mimulus guttatus Peter H. Raven 1962-4-12 17327 Los Angeles San Clemente Island: Wilson Cove 76 Comment
  RSA639557  Mimulus guttatus Louis C. Wheeler 1967-5-23 9670 Los Angeles San Gabriel Mountains: Ravine immediately southwest of mouth of Bear Canyon, off Soledad Canyon. 640 Comment
  SFV12656  Mimulus pilosus M. H. Grayum, H. Grayum 1977-11-27 904 Los Angeles San Fernando Valley Big Tujunga Wash. In caked, hard mud flats just behind Hansen Dam. 305 Comment
  RSA604488  Mimulus pilosus Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1997 Comment
  RSA0080166  Mimulus rubellus Orlando Mistretta 1992-5-25 445 Los Angeles San Gabriel Mtns; Fenner Canyon Conservation Camp. Comment
  POM18174  Minuartia douglasii P. A. Munz 1923-3-14 6590 Los Angeles 2 miles north of Claremont. 427 Comment
  UCR43328  Mirabilis californica David Charlton 1986-6-15 307 Los Angeles San Gabriel Mtns., Mile High, intersection of Swarthout Canyon Road and Largo Vista Road (N4) 1067 Comment
  RSA0083313  Mirabilis laevis R. G. Swinney 2010-3-22 12027 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  UCR219564  Mirabilis laevis R. G. Swinney 2009-3-28 10207 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Mountain Park, trail 0-40 m above canyon bottom, from park entrance to 0.4 mi. up canyon 427 Comment
  RSA464641  Mirabilis laevis var. crassifolia F. R. Fosberg 1931-3-18 S 4293 Los Angeles Hamilton Canyon, Santa Catalina Island. 10 Comment
  UC57069  Mirabilis laevis var. crassifolia Jos. Burtt Davy 1901-6-25 Los Angeles Saugus Comment
  UCR141715  Monardella australis subsp. cinerea R. G. Swinney 1997-8-19 5827 Los Angeles Eastern San Gabriel Mountains, San Antonio Peak (= Lookout Mountain), about 100 m N of summit on ridge saddle. 1994 Comment
  LA63048  Monardella breweri subsp. breweri Carl Epling; 1937-5-9 sn Los Angeles Neenach, Antelope Valley Comment
  UCR256604  Monardella breweri subsp. lanceolata Anuja Parikh, Nathan Gale 2011-7-6 3540 Los Angeles Transverse Ranage; San Gabriel Mountains, along road to Barley Flats, 3.9 km west of Shortcut Station, 1.0 km north of State Hwy 2, Angeles Crest Hwy 1688 Comment
  UC56837  Monardella breweri subsp. lanceolata Ernest Braunton 1902-6-4 395 Los Angeles L. A. River Comment
  UCR193164  Monardella cinerea R. G. Swinney 1998-7-14 6439 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, 0.2-0.3 mi. west of Camp Lupine trail 2247 Comment
  CAS-BOT-BC220130  Monardella exilis Roxana S. Ferris; Ruth P. Rossbach 1938-5-13 9483 Los Angeles 4 miles northeast of Lancaster to the Muroc Road Comment
  UCD134608  Monolopia lanceolata Henry J. Thompson 1959-3-31 1903 Los Angeles Santa Monica Mountains. cornell road 1 mile north of junction with Mulholland Highway, 1.8 miles south of Malibu Junction. 274 Comment
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Nov 17 2015
  UC849820  Mucronea californica Marcus E. Jones, A. M. 1892-5-3 3221 Los Angeles Pasadena 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
  RSA0088592  Muhlenbergia asperifolia R. G. Swinney 2010-9-13 13843 Los Angeles C. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek. 1244 Comment
  POM214613  Muhlenbergia microsperma Joseph A. Ewan 1932-3-5 7027 Los Angeles Mandeville Canyon 366 Comment
  SBBG113062  Muhlenbergia microsperma S. A. Junak with M. L. Hoefs, K. Kirkland, J. Takara 1998-5-1 SCa 600 Los Angeles Whitley's Pk, overlooking upper part of Swain's (Swain) Cyn 374 Comment
  RSA403575  Muhlenbergia microsperma Anstruther Davidson 1890-05 s.n. Los Angeles [no locality information provided] Comment
  UCR271666  Muilla maritima R. G. Swinney 2011-5-31 14932 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  SEINET12047982  Muilla maritima D. M. Mukunya 1967-1 58 Los Angeles Wash-Pomona College, Claremont, San Gabriel Comment
  CAS-BOT-BC243701  Myoporum laetum Timothy S. Ross; Angelika Brinkmann-Busi 1992-3-28 6058 Los Angeles Rancho Palos Verdes, lower Altamira Canyon, first small canyon NW of Portuguese Point, San Pedro USGS 7.5' quad., Palos Verdes Peninsula 15 Comment
  UCR101199  Najas marina L. C. Wheeler 1947-9-14 6628 Los Angeles N of El Monte, Peck Road, near Arrow Hwy. 106 Comment
  JEPS117041  Nama demissa David Gowen 2008-5-2 890 Los Angeles Near Llano on Hwy 138. 1028 Comment
  RSA655999  Nassella cernua James Henrickson 1985-3-30 19786 Los Angeles Ca. 3 air mi. NNW of Newhall in proposed North Hills development just north of Santa Clara River and just E of San Francisquito Creek. 370 Comment
  RSA756119  Nassella cernua Orlando Mistretta, Christine Mistretta 2008-4-30 2575 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 19 per TRTP survey, 2008), in the vicinity of Ritter Ridge, S side of Antelope Valley. 1034 Comment
  CAS-BOT-BC259924  Nassella lepida Carl Epling 1931-4-1 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon Comment
  RSA484111  Nassella lepida Gertrude Dunn 1931-4-28 s.n. Los Angeles Palos Verdes Comment
  CDA21168  Nassella tenuissima M. O'Brien 2007-4-22 MOB 1 -2007 Los Angeles South Coast; Malibu Bluffs State Recreation Area, 0 Comment
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Dec 6 2014
  RSA456544  Nasturtium officinale Jack Delaini 1974-4-25 135 Los Angeles Along San Dimas Creek 366 Comment
  RSA550402  Nasturtium officinale Timothy S. Ross, Peter Fritsch 1990-6-20 3597 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
  RSA0004846  Navarretia atractyloides var. flavida F. W. Peirson 1921-6-20 2444 Los Angeles North Fork of San Gabriel River 457 Comment
  SBBG17781  Navarretia hamata P. H. Raven 1962-5-10 17724 Los Angeles above head of N fork of cyn just N of Gray 518 Comment
  RSA3603  Navarretia hamata subsp. leptantha C. B. Wolf 1932-5-13 3620 Los Angeles Above Hamilton Canyon, Catalina Island 243 Comment
  UC1221004  Navarretia prostrata Beecher Crampton 1963-5-8 6794 Los Angeles n of Gardena (Rosecrans Ave, just w of its junction with Western Ave); Los Angeles Comment
  SEINET10461064  Nemacladus ramosissimus Frank W. Peirson 1918-6-4 Peirson 220 Los Angeles Foothills east of Rubio Canyon, San Gabriel Mountains 610 Comment
  UCR206119  Nemacladus sigmoideus R. G. Swinney 2008-6-4 8927 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
  UCR206426  Nemacladus sigmoideus R. G. Swinney 2008-6-4 8938 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, 0.2 mi. north of park headquarters/nature center 1430 Comment
  CAS-BOT-BC226262  Nemacladus sigmoideus Timothy S. Ross; Darin Banks 1994-6-21 7994 Los Angeles San Gabriel Mountains. Vicinity of Pacifico Mountain: saddle between the north fork Tie Canyon on the SW and a major NE-drainaing tributary of Santiago Canyon on the NE; ca 3160 m NW of Pac. Mtn's 7124-foot summit 1645 Comment
  POM8921  Nemophila maculata P. A. Munz 1921-3-25 4479 Los Angeles Claremont. Comment
  POM6273  Nemophila menziesii W H Spurgeon 80 Los Angeles 1/2 mile N Indian Hill, Claremont Comment
  RSA313428  Nemophila menziesii var. integrifolia T. S. Elias 1984-4-29 8327 Los Angeles Angeles National Forest; Glendora Ridge near Baldy Camp; along forest service road above ridge road Comment
  CATA1945  Nemophila menziesii var. menziesii Reid Moran 1941-3-6 681 Los Angeles Santa Catalina Island: Middle Ranch Canyon 274 Comment
  RSA725417  Nicotiana bigelovii K. Dobry 1991-6-27 d- 877 Los Angeles Santa Monica Mts 1 mi E of Las Virgenes Rd along Mulholland Hwy Comment
  UC535346  Nicotiana glauca Ira W. Clokey, B. Templeton Jun 1929 4583 Los Angeles Mandeville Canyon; Santa Monica Mountains 150 Comment
  UCR124389  Nicotiana glauca I. W. Clokey, B. C. Templeton 1929-1 4583 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  UCR256150  Nicotiana glauca R. G. Swinney 2010-4-20 12312 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
  UCR48867  Nicotiana glauca Steve Morgan 1974-4-25 71 Los Angeles Western Transverse Range; Santa Monica Mtns., 1/4 mi east of Mulholland Hwy on Stunt Rd. 366 Comment
  LA30501  Nicotiana glauca Jane Turner; T. Mosquin 1958-11-16 C 42 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Rd, 2.7 mi W of Fire Station. Comment
  SEINET10818926  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3966 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  SEINET4536344 Image available Notholaena californica Marcus E. Jones s.n. Los Angeles Los Angeles Comment
  POM3308  Oenanthe sarmentosa I. M. Johnston 1917-6-10 1309 Los Angeles Cienega , West of Los Angeles. Comment
  UCD168214  Oenothera californica J. W. Barry May1980 s.n. Los Angeles Hungry Valley SVRA. (Exact location unknown. This park is mostly in Los Angeles county, but also includes parts of Ventura and Kern counties. Coordinates estimated by the label maker.) Comment
  SD129448  Oenothera cespitosa John Adams 1966-4-20 697 Los Angeles Mojave Desert, 5.0 miles from Llano near Black Butte. 609 Comment
  UCR124483  Oenothera elata B. C. Templeton 1932-7-20 5040 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  SBBG12658  Oligomeris linifolia E. R. Blakley 1962-6-9 5199 Los Angeles cyn W of rd, 2.5 mi N of China Pt 175 Comment
  SBBG127253  Oncosiphon piluliferum S. Boyd 2006-5-11 11659 Los Angeles alluvial fan below San Antonio Cyn, along N margin of the W-bound 210 Freeway at Monte Vista/Baseline Ave off-ramp 488 Comment
  RSA0080358  Opuntia basilaris var. brachyclada R. G. Swinney 2011-6-29 15339 Los Angeles San Gabriel Mountains: mouth of Monte Cristo Canyon and confluence with Mill Creek. 1098 Comment
  SBBG69415  Opuntia basilaris var. brachyclada R. Hoffmann 1925-5-16 Los Angeles Mint Cyn Comment
  SEINET10731655  Opuntia echinocarpa LeRoy R. Abrams, Ernest A. McGregor 1908-7-2 Abrams 564 Los Angeles Rock Creek, Desert slopes of the San Gabriel Mountains. Comment
  SBBG129182  Orobanche parishii A. Parikh, N. Gale 2012-5-23 2159 Los Angeles Newhall Ranch, 1.6 km S of the Santa Clara River, 1.9 km W of Interstate 5, N side of Santa Susana Mtns 365 Comment
  RSA643102  Orobanche parishii subsp. parishii Orlando Mistretta 1992-9-1 789 Los Angeles San Gabriel Mountains: Yerba Buena Trail; Tujunga Ranger District. 1146 Comment
  PASA1828  Osmorhiza brachypoda Frank W. Peirson 1919-5-21 Los Angeles Arrroyo Seco Canyon 609 Comment
  POM353417  Oxalis albicans subsp. californica M. B. Dunkle 1932-1-31 s.n. Los Angeles Silver Canyon Trail, Santa Catalina Island. 874 Comment
  RSA70485  Oxalis albicans subsp. californica F. W. Peirson 1920-5-6 2126 Los Angeles Fish Canyon, San Gabriel Mountains. 274 Comment
  SBBG94268  Oxalis californica F. R. Fosberg 1931-4-13 4586 Los Angeles Pebbly Beach Cyn, right fork 35 Comment
  RSA0055033  Oxalis pes-caprae Jim Shevock 1970-3-14 33 Los Angeles Hillsides near Claremont. 539 Comment
  RSA660050  Oxalis pes-caprae Stephen Hill 1981-2-27 10 Los Angeles 4833 Vecino Dr., Covina. Comment
  UCD111024  Oxalis pes-caprae Geoffrey Levin 1975-1-17 456 Los Angeles waste ground near Bonita and College Ave., Claremont. Alluvial fan of Mt. San Antonia (San Gabriel Mountains.) Santa Ana River drainage area (Pacific Slope.) Comment
  RSA775131  Oxytheca caryophylloides Orlando Mistretta, Christine Mistretta 2010-6-7 5270 Los Angeles Mill Creek Canyon; vicinity of Iron Mountain, along Southern California Edison transmission line corridor. 1361 Comment
  UC1584222  Oxytheca trilobata Tim Ross and Steve Boyd 1990-5-17 2594 Los Angeles Mill Creek Tree Plantation San Gabriel Mts., Angeles National Forest, Tujunga District 1612 Comment
  UC2026476  Oxytheca trilobata Louis C. Wheeler 1948-6-13 6646 Los Angeles SAN GABRIEL MOUNTAINS: coldwater Canyon, off Big Tujunga. Comment
  UCR213689  Oxytheca trilobata Justin M. Wood 2009-6-1 791 Los Angeles San Gabriel Mountains, Mill Creek Summit, roadside turnout on Angeles Forest Hwy, 0.75 NE of Mt. Gleason Rd. junction 1402 Comment
  CAS-BOT-BC318204  Packera breweri C. Epling; L. Wheeler 1933-6-4 1848 Los Angeles Sandbergs near Quail Lake. 1310 Comment
  RSA596427  Packera ionophylla Timothy S. Ross, S. D. Boyd, Peter W. Fritsch 1990-6-11 3362 Los Angeles Big Rock Creek Canyon: ca 120 m NNW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin). 1731 Comment
  RSA599779  Paeonia californica Steve Boyd, Lauren Raz 1997-3-25 9273 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
  SD51931  Parapholis incurva Peter H. Raven 1962-4-11 17276 Los Angeles San Clemente Island; around depressions in sandy beach, due west of Wall 2 20 Comment
  UC1587201  Parietaria hespera var. californica Tim Ross 1991-5-22 5458 Los Angeles w side San Clemente Island (Spray Canyon, 2400 ft ene of Spray (which in turn is 5200 ft n of Eel Point)) 60 Comment
  CAS-BOT-BC413411  Parietaria hespera var. hespera Ernest Braunton 1902-5-25 345 Los Angeles Redondo Comment
  UCD111504  Parietaria hespera var. hespera Scott D. White; Michael Honer 2004-6-24 10486 B Los Angeles Pomona Valley/San Gabriel Mountain. City of Claremont; San Antonio Canyon alluvial fan, N of Baseline Ave. and W of concrete-lined flood control channel. 487 Comment
  UCR76423  Parietaria hespera var. hespera T. S. Ross 1992-4-14 6152 Los Angeles Channel Islands, San Clemente Island: central E side of the island; just below the mouth of Nanny Canyon 137 Comment
  CAS-BOT-BC413416  Parietaria hespera var. hespera John Thomas Howell 1928-4-18 3728 Los Angeles N. side of Griffith Park, Los Angeles Comment
  RSA533494  Parietaria hespera var. hespera Tim S. Ross 1991-4-21 4500 Los Angeles Whittier Hills(Puente Hills, pro parte): Turnbull Canyon drainage near mouth of the Turnbull Canyon. 154 Comment
  RSA683141  Parietaria hespera var. hespera LeRoy Gross, Bill Hogshead, Valerie Soza 2003-5-29 956 Los Angeles West end of the mountains: At junction (saddle) of Verdugo motorway and Wildwood Fire Road (Abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago)., We went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Mortorway) Basically a triangle. 564 Comment
  SEINET11684736  Paspalum dilatatum Unknown 1979-1 914 Los Angeles Culver City near the Ramada Inn, ca 1.5 mi N of LAX [Los Angeles Airport] Comment
  UC25017  Pectocarya linearis subsp. ferocula Jos. Burtt Davy 1901-3-1 Los Angeles Saugus Comment
  SBBG108986  Pectocarya linearis subsp. ferocula S. A. Junak 1997-3-7 SCl 732 Los Angeles just E of Camera Pad Horton 3, W side of Twin Dams Cyn 411 Comment
  UC1178539  Pectocarya penicillata Peter Kamb 1948-5-6 936 Los Angeles above Little Rock; San Gabriel Mtns, desert foothills 975 Comment
  RSA77872  Pectocarya penicillata F. W. Peirson 1919-3-26 324 Los Angeles vacant lot on south side of New York Drive, east of Hill Ave., Altadena. Comment
  UCD120141  Pectocarya platycarpa Daryl Koutnik 1978-3-23 126 Los Angeles north of State Highway 18 and just west of Los Angeles/San Bernardino county line. 960 Comment
  RSA674638  Pectocarya recurvata Scott D. White, Kent Hughes 2000-5-16 7861 Los Angeles San Gabriel Mts.: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  SD42640  Pectocarya setosa Darley F. Howe 1947-5-4 Los Angeles Antelope Valley Comment
  JEPS24091  Pedicularis densiflora Henry J. Thompson 1959-3-31 1910 Los Angeles 0.7 mi from Triunfo Canyon (2 mi w of Cornell, Lobo Canyon); Santa Monica Mountains, Lobo Canyon 243 Comment
  CATA2232  Pelargonium peltatum Sara L. Crockett 1997-3-25 98 Los Angeles Santa Catalina Island: 323 Whittley Avenue 76 Comment
  LA94144  Pellaea andromedifolia Lawrence L. Kiefer; 1966-3-26 1791 Los Angeles SANTA MONICA MOUNTAINS, Woodland Hills, Mulholland Hwy [prob Dr.], ca 1 mi W of Topanga Canyon Rd. 304 Comment
  RSA686715  Pellaea andromedifolia T. R. Pray 1960-3-20 1650 Los Angeles Elizabeth Canyon Comment
  RSA780005  Pellaea mucronata R. G. Swinney, Jane Strong 2009-4-7 10304 Los Angeles San Antonio Canyon, 2.4 miles north of Shinn Rd. 1073 Comment
  SD232126  Pellaea mucronata var. californica T. R. Pray 1958-7-25 1101 Los Angeles E end of San Gabriel Mountains 2438 Comment
  POM364498  Pennisetum setaceum Anstruther Davidson 1917-07 3159 Los Angeles Los Angeles Comment
  RSA659358  Pennisetum setaceum S. Koukol, R. Koukol 1998-5-3 43 Los Angeles La Verne, Foothill Blvd., 125 m W. of Wheeler Avenue 344 Comment
  UCR114176  Penstemon centranthifolius A. C. Sanders, D. Malueg 1998-6-24 22083 Los Angeles San Gabriel Mtns., 2 miles east of Mt. Gleason at Little Gleason Forestry Plantation, on So. Cal. Edison Mesa-Vincent transmission line at tower 7-2 1707 Comment
  RSA610967  Penstemon grinnellii subsp. grinnellii Louis C. Wheeler 1970-6-28 s.n. Los Angeles Little Fish Fork, Fish Fork Camp 2012 Comment
  NY601187  Penstemon grinnellii var. grinnellii T. S. Ross 1990-5-17 2595 Los Angeles San Gabriel Mountains: Mill Creek Tree Plantation, Tujunga District, Angeles National Forest 1612.4 Comment
  NY601208  Penstemon grinnellii var. grinnellii G. J. Goodman 1930-7-28 1732 Los Angeles South slope Mount San Antonio, San Gabriel Mountains 2743.2 Comment
  SD37447  Penstemon heterophyllus var. heterophyllus Florence Post 1931-5-4 2054 c Los Angeles Flintridge Hills, hillside Comment
  RSA756745  Penstemon labrosus R. G. Swinney 2008-7-15 9217 Los Angeles Winston Peak. 2275 Comment
  RSA250516  Penstemon rostriflorus Robert F. Thorne, John Dourley 1967-10-10 37368 Los Angeles San Gabriel Mountains, Angeles National Forest: 1.5 miles east of Dawson Saddle. 2348 Comment
  NY660805  Penstemon speciosus N. H. Holmgren 1966-5-29 2608 Los Angeles San Gabriel Mountains, Swarthout Valley, California 2, 0.3 mile west of San Bernardino County line. 1889.8 Comment
  RSA13350A  Pentachaeta aurea P. A. Munz 1922-4-15 5144 Los Angeles Claremont, east of Indian Hill Blvd. 366 Comment
  RSA0062915  Pentagramma triangularis Lyman Benson 1945-1-20 11591 Los Angeles Upper end of upper reservoir, San Gabriel River Canyon. San Gabriel Mountains, Pacific Slope drainage. 427 Comment
  RSA687377  Pentagramma triangularis subsp. triangularis B. C. Templeton 1931-4-12 s.n. Los Angeles Mandeville Canyon 400 Comment
  UCSB62251  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-6-4 Los Angeles San Gabriel Mtns., NW of Claremont, Live Oak Cyn., ca. 1 mi. above the dam 487 Comment
  LA200252  Perityle emoryi Jonathan Sauer; D. Bradbury, A. Lang 1969-9-25 4617 Los Angeles Santa Monica Mountains, Sequit Point, above point Comment
  OBI10855  Persicaria lapathifolia H. E. McMinn 1924-7-23 1357 Los Angeles Along San Gabriel River near Whittier Comment
  RSA427630  Phacelia cicutaria var. hispida A. M. Johnson 1934-5-1 4446 Los Angeles Shaded moutain side, Sepulveda Canyon. Comment
  SBBG95231  Phacelia cicutaria var. hispida M. B. Dunkle 1928-4-14 1864 Los Angeles Renton Mine Comment
  SFV22135  Phacelia cicutaria var. hispida V. Soza, E. Edwards, L. Gross, B. O'Brien 2000-4-25 755 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, south-southwest-facing, rocky slope below trail along ridgetop. 488 Comment
  UCR274134  Phacelia cicutaria var. hispida Steven A. Junak 1999-7-17 SCa- 1074 Los Angeles Channel Islands, Santa Catalina Island, Cape Canyon 238 Comment
  UC1183058  Phacelia cicutaria var. hispida P. C. Everett and E. K. Balls 1960-5-30 24136 Los Angeles 2.2 mi n from entrance to Angeles National Forest; San Gabriel Canyon 365 Comment
  UCR276882  Phacelia davidsonii R. G. Swinney 2011-6-7 15087 Los Angeles San Gabriel Mountains, summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory 1780 Comment
  JEPS2367  Phacelia distans I. W. Clokey, C. B. Clokey, and B. Templeton 1930-5-13 4760 Los Angeles Bouquet Canyon 750 Comment
  RSA517999  Phacelia distans Steve Boyd, Orlando Mistretta 1986-3-31 1524 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  SD197802  Phacelia distans R. G. Swinney 2008-5-2 8742 Los Angeles San Gabriel Mountains: Big Rock Creek at Paradise Springs, on campground property. 1470 Comment
  UCR205466  Phacelia distans R. G. Swinney 2008-5-2 8742 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  RSA426236  Phacelia distans Ducelia Cobb 1937-7-3 s.n. Los Angeles Los Angeles Comment
  RSA133991  Phacelia egena L. R. Heckard 1953-6-14 500 Los Angeles near south fork of Little Rock Creek, 2 miles above Sycamore Camp Ground (about 15 miles south of Little Rock). 1341 Comment
  RSA74928  Phacelia egena F. W. Peirson 1942-5-15 13463 Los Angeles Rock Creek. 1296 Comment
  SFV9382  Phacelia fremontii M. L. Vincent, L. Swade 1964-4-2 488 Los Angeles San Gabriel Mountains Valyermo Road, about 1 mile north of Pallett Road. 1080 Comment
  RSA20387  Phacelia fremontii Roxana S. Ferris, Ruth P. Rossbach 1938-5-13 9477 Los Angeles 5 miles W of Lancaster on the Antelope Valley Rd. Comment
  RSA264292  Phacelia fremontii J. C. Roos 1937-5-31 668 Los Angeles Wrightwood Comment
  RSA426155  Phacelia fremontii Bonnie C. Templeton 1932-6-1 5062 Los Angeles West Blue Ridge, Big Pines Park 2195 Comment
  RSA199038  Phacelia grandiflora W. M. Gauntt 1966-4-30 180 Los Angeles Glendora Mt. Ridge Road. 1/2 mile south of ''Y'' to Mt. Baldy. 915 Comment
  RSA594899  Phacelia grandiflora Fred M. Roberts 1995-5-19 4942 Los Angeles Santa Ana Mtns: San Juan Canyon, S of route 74, 1.8 km WSW Lowe San Juan Picnic Ground. 366 Comment
  SEINET5286900  Phacelia heterosperma Unknown 1980 Los Angeles Rock Creek [banks of Rock creek, borders of the Mojave desert] Comment
  RSA0115454  Phacelia imbricata R. G. Swinney 2010-5-25 12907 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA428010  Phacelia imbricata subsp. imbricata Gale Sphon 1959-5-9 335 Los Angeles Big Rock Public Camp, Angeles National Forest. Comment
  UC191994  Phacelia lemmonii Samuel B. Parish June 1887 1880 Los Angeles Rock Creek Comment
  UCSC001305  Phacelia longipes Peter Kamb 1947-6-9 589 Los Angeles San Gabriel, Little Rock creek 1890 Comment
  UC1375364  Phacelia lyonii C. Davidson 1971-5-8 1532 Los Angeles White's Landing Catalina Island Comment
  JEPS1188  Phacelia minor F. W. Peirson 1918-6-4 162 Los Angeles foothills e Rubio Canyon; San Gabriel Mountains 609 Comment
  RSA0020298  Phacelia minor Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5092 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  UC219299  Phacelia minor P. A. Munz, R. D. Harwood 1920-5-2 3818 Los Angeles San Dimas Canyon 457 Comment
  SEINET5518993  Phacelia minor G. B. Grant 1903-1 965 Los Angeles Mt. Lowe Comment
  RSA0025156  Phacelia mohavensis Jane Tirrell 2012-6-19 LS 0068 Los Angeles Lily Spring; downslope from Pacific Crest Trail, approximately 0.5 mile northwest of Mt. Hawkins. 2481 Comment
  LA201511  Phacelia parryi Arthur C. Gibson; 2003-5-17 4880 Los Angeles 234 Comment
  LA33998  Phacelia parryi Henry J. Thompson; 1959-3-27 1877 Los Angeles Santa Monica Mountains, 2 mi. from Pacific Coast Highway on Rambla Pacifica Road 304 Comment
  LA33797  Phacelia ramosissima var. latifolia Peter H. Raven; Henry J. Thompson 1959-6-4 14319 Los Angeles Santa Monica Mountains, Pt. Dume, behind the point 45 Comment
  POM3700  Phacelia ramosissima var. latifolia M. Hitchcock 1918-7-28 19 Los Angeles Pacoima Canyon. Comment
  RSA567175  Phacelia ramosissima var. latifolia Tim S. Ross, Steve D. Boyd, Peter Fritsch 1990-6-27 3913 Los Angeles Liebre Mountain: N slope, between Horse Camp Canyon and Robinson Canyon. 1473 Comment
  CAS-BOT-BC133977  Phacelia ramosissima var. latifolia G. B. Grant 1900-6-5 s.n. Los Angeles Pasadena. Culvert SPRR near Raymond Comment
  JEPS1287  Phacelia tanacetifolia Frank W. Peirson 1920-3-28 2101 Los Angeles Tujunga Canyon San Gabriel Mountains 457 Comment
  CATA1757  Phalaris aquatica Mark L. Hoefs, Steven A. Junak, J. Travis Columbus 2001-5-25 3199 Los Angeles Santa Catalina Island: Upper Bulrush Canyon, below 2nd reservoir 304 Comment
  CAS-BOT-BC259060  Phalaris lemmonii Steven A. Junak 1997-4-22 SCI- 849 Los Angeles San Clemente Island: E side of island, along N side of Horton Canyon Road, ca. 0.6 miles E of San Clemente Island Ridge Road, at vernal pool area 466 Comment
  LA9196  Phalaris lemmonii LeRoy Abrams; 1903-4-9 3234 Los Angeles Inglewood Comment
  RSA158218  Phalaris minor P. H. Raven 1962-7-11 17993 Los Angeles In upper reaches of canyon north of Station Nanny, northeast of Lemon Tank, San Clemente Island Comment
  UC205649  Phalaris minor S. B. Parish 1918-6-5 11865 Los Angeles Playa del Rey Comment
  RSA678691  Pholistoma Mark A. Elvin, Orlando Mistretta 1996-3-24 134 Los Angeles San Clemente Island. Eagle Canyon. Comment
  RSA527794  Pholistoma auritum Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4359 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  RSA134838  Pholistoma auritum Peter H. Raven 1950-4-2 14856 Los Angeles Old Topanga Canyon, 0.7 miles NW of Topanga Canyon. Santa Monica Mountains. 244 Comment
  RSA459264  Pholistoma auritum Robert M. Perkins 1937-4-3 318 Los Angeles La Harbra [Habra] Hills Comment
  SD58173  Pholistoma auritum var. auritum Frank W. Peirson 1919-5-18 441 Los Angeles Monrovia Canyon. 381 Comment
  CAS-BOT-BC222551  Pholistoma auritum var. auritum Dr. H. E. Hasse 1888-4-1 s.n. Los Angeles Los Angeles Comment
  JEPS97027  Pholistoma racemosum F. R. Fosberg 1931-3-23 S 4333 Los Angeles Hamilton Canyon Santa Catalina Island 75 Comment
  OBI13707  Pholistoma racemosum Robert J. Rodin 1953-5-2 5809 Los Angeles Cyn behind whites cove, Catalina Island Comment
  CAS-BOT-BC134965  Phoradendron bolleanum Thompson 1919-12-1 s.n. Los Angeles Nobles Ranch, Valyermo Comment
  UCR124628  Phoradendron macrophyllum I. W. Clokey, B. C. Templeton 1929-1 4449 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  RSA9728  Phoradendron macrophyllum Louis C. Wheeler 1932-1-8 432 Los Angeles 2 mi. SW Glendora. 198 Comment
  RSA755338  Phoradendron pauciflorum R. G. Swinney 2008-7-25 9309 Los Angeles Twin Peaks, west peak. 2299 Comment
  RSA384019  Phyllospadix Edwin Kline 1924-8-3 s.n. Los Angeles Pacific Palisades near Los Angeles. Comment
  UC1821226 Image available Phyllospadix scouleri E. Yale Dawson 1957-4-8 16551 Los Angeles Topanga Canyon Beach, Station No. 2 Comment
  POM292908  Physalis philadelphica Lyman D. Benson 1945-10-22 11905 Los Angeles Claremont; Drainage area: Pacific Slope. 335 Comment
  OBI70644  Pickeringia montana var. montana Louis C. Wheeler 1947-4-13 6465 Los Angeles San Gabriel Mts; Millard Cyn 640 Comment
  RSA655772  Pickeringia montana var. montana LeRoy Gross 2001-1-28 337 Los Angeles Verdugo Mountains, north side: Ridge between Engleheard and Henderson Canyons. 610 Comment
  SEINET10612012  Pinus halepensis Chester T. Dziekanowski, David B. Dunn; Charlene A. Bennett 1976-7-20 Dziekanowski 2413 Los Angeles San Dimas, at 730 Walnut Street. Comment
  CHSC35725  Pinus monophylla B. Prigge 1970-12-29 114 Los Angeles 8 miles SE of Llano on county road N-4 on north slope of San Gabriel mountains. 1188 Comment
  POM122776  Piperia cooperi Marcus E. Jones 1926-5-7 s.n. Los Angeles Claremont. 365 Comment
  POM365991  Piptatherum miliaceum Robert Gustafson 1981-5-15 2221 Los Angeles Ballona Wetlands, Area 3. Comment
  RSA187700  Piptatherum miliaceum R. F. Thorne 1966-9-14 36643 Los Angeles Santa Catalina Island: behind Ben Weston Beach 3 Comment
  RSA715126  Piptatherum miliaceum Daisie Huang 2006-4-27 6042701 Los Angeles Monrovia, CA. Grand Ave. Park. 228 Comment
  UC1587558  Piptatherum miliaceum Tim Ross 1991-9-2 5926 Los Angeles near Mulholland Highway x Yerba Buena Road (along banks of an intermittent stream); Santa Monica Mountains, Triunfo Pass USGS 7.5' Quadrangle 472 Comment
  UCR192187  Plagiobothrys acanthocarpus A. C. Sanders 2008-4-10 34797 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 0.85 mile SSW of Neenach School, along dirt track beside old fence line 938 Comment
  RSA592774  Plagiobothrys canescens Steve Boyd, Michael Wall 1996-4-4 8539 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 1.4 road miles south of jtn with 5N16. 488 Comment
  CATA1950  Plagiobothrys canescens 1904-4-1 6156 Los Angeles Santa Catalina Island 0 Comment
  IRVC26316  Plagiobothrys nothofulvus A. C. Sanders, Andy Thompson 2003-4-15 25983 Los Angeles Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 396 Comment
  CATA1982  Plantago coronopus Steven A. Junak 1978-4-15 20 Los Angeles Santa Catalina Island: In front of residence at N side of Cherry Cove 0 Comment
  SBBG17133  Plantago coronopus S. A. Junak with M. L. Hoefs, M. Gay 1997-6-6 SCa 447 Los Angeles old rd above W end of White's Landing, overlooking Balboa Yacht Club, W of summit of trail 42 Comment
  LA82075  Plantago erecta Carl Epling; March 1925 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  SBBG113077  Plantago erecta S. A. Junak with M. L. Hoefs, K. Kirkland, L. Stratton 1998-5-2 SCa 626 Los Angeles rd to East Pk, just SW of Pk 1245, ca. 0.85 air mi NW of East Pk 347 Comment
  UCR194146  Plantago erecta A. C. Sanders 2008-4-25 35103 Los Angeles Transverse Range; Western San Gabriel Mtns., SLOPES WEST OF OLD LA LIEBRE RANCH, SOUTH OF HWY 138 1000 Comment
  RSA632003  Plantago erecta Louis C. Wheeler 1969-5-3 s.n. Los Angeles San Gabriel Mtns. Bluebird truck trail. 716 Comment
  UCR131403  Plantago indica Alison Lipman 1998-6-2 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  CATA1472  Plantago lanceolata Mark L. Hoefs, Robert F. Thorne 1996-4-6 2662 Los Angeles Santa Catalina Island: Upper Avalon Canyon, Hermit's Gulch Trail, where trail crosses stream 164 Comment
  JEPS7125  Plantago lanceolata Elizabeth Day Palmer 1908-7-28 Los Angeles Los Angeles Comment
  RSA412569  Plantago major Edwin Kline 1924-8-3 s.n. Los Angeles Topanga Canyon, Santa Monica Mts. Comment
  UC28014  Plantago major J. H. Barber 1897-4 306 Los Angeles Santa Monica Canyon Comment
  SD90529  Plantago ovata Robert F. Thorne 1973-4-12 42919 Los Angeles San Clemente Island; Horse Cove, south end of island. 4 Comment
  SEINET4890925  Platanus racemosa G. B. Grant 1904-5-5 1007 Los Angeles Pasadena Comment
  RSA472108  Pluchea odorata Anstruther Davidson 1889-08 s.n. Los Angeles E. Los Angeles. Comment
  LA12502  Poa annua Marjorie Bowler; 1937-10-20 62 Los Angeles ditch of Venice Blvd, Mar Vista Comment
  RSA616151  Poa annua Valerie L. Soza 1998-5-3 95 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
  UCR205591  Poa annua R. G. Swinney 2008-5-30 8870 Los Angeles San Gabriel Mtns., San Gabriel Canyon along old road/trail at El Encanto [El Encanto Azusa River Wilderness Park, 0.2 mi. upstream from park admin. buliding -- R.G.S., 2010] 256 Comment
  RSA728344  Poa secunda Gary D. Wallace 1982-4-17 1900 Los Angeles Mojave Desert: Fort Tejon Road S of Pearblossom, between 106th and Longview Road. Comment
  UC936197  Poa secunda subsp. juncifolia H. L. Mason 1932-4-1 6862 Los Angeles 1 mi e Lancaster; Mojave Desert Comment
  CATA599  Poa secunda subsp. secunda Mark L. Hoefs 1991-4-7 1044 Los Angeles Santa Catalina Island: Upper Avalon Canyon, above Wrigley Memorial and Garden, near road to Divide 326 Comment
  RSA230714  Poa trivialis R. F. Thorne 1969-7-9 38572 Los Angeles San Gabriel Mountains, Angeles National Forest: meadow at Big Pines. 2073 Comment
  SEINET13276686 Image available Poaceae R. G. Swinney 2011-1 15250 Los Angeles San Gabriel Mountains: Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy (Waterman Mt. 7.5' Q.) 1780 Comment
  UC1313044  Polycarpon tetraphyllum June McCaskill 1965-6-6 700 Los Angeles Pasadena; McCaskill Gardens, 25 South Michillinda Avenue Comment
  RSA618721  Polygonum aviculare subsp. aviculare Scott D. White, Sandy Leatherman 1998-5-19 6535 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, between 1-5 Freeway/ Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  RSA650874  Polygonum aviculare subsp. aviculare A. E. Hersh 1950-6-30 s.n. Los Angeles Locality - garden 411 Wade St., Venice. 30 Comment
  UCD100093  Polygonum aviculare subsp. depressum B. Pitzer 1996-5-5 2859 Los Angeles Palos Verdes Peninsula: Palos Verdes Hills. San Pedro Naval Fuel Depot, at San Pedro Hill. 408 Comment
  UCR223687  Polygonum douglasii R. G. Swinney 2009-8-25 11484 Los Angeles Transverse Range; San Gabriel Mtns., Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  RSA562795  Polygonum lapathifolium D. Charlton, Lew Heide 1991-9-19 5609 Los Angeles Piute Ponds, freshwater marsh between Rosamond and Lancaster emergent perennial in southwest corner near water outfall 762 Comment
  CAS-BOT-BC71908  Polypodium californicum Geo. B. Grant 1902-6-1 1026 Los Angeles Sierra Madre Mts. Comment
  LA82522  Polypodium californicum O. H. Kappler; 1941-2-9 79 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  POM158007  Polypodium californicum M. B. Dunkle 1928-3-11 1720 Los Angeles Silver Canyon, Santa Catalina Island 168 Comment
  RSA254367  Polypodium californicum C. W. Tilforth 1975-4-21 977 Los Angeles Palmer Canyon, n of Claremont Comment
  SEINET3153009  Polypodium californicum M. E. Jones 1882-2-27 sn Los Angeles Pasadena Comment
  UCSB62458  Polypodium californicum Kendall, M. 1921-1-30 Los Angeles San Jose Hills, Pomona Comment
  RSA628693  Polypodium californicum L. C. Wheeler 1967-5-15 9581 Los Angeles South side Elsmere Canyon near the mouth. sec. 12. 518 Comment
  RSA733135  Polypogon australis R. G. Swinney 1998-8-1 6608 Los Angeles Mine Gulch at East Fork of San Gabriel River Canyon. Open canyon bottom, lower Mine Gulch with no riparian development except right at aconfluence; sandy-silty soil with rocks. 1341 Comment
  RSA0025424  Polypogon maritimus Duncan S. Bell, Caitlin Elam 2013-6-24 5243 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, between Allison Gulch and Rattlesnake Canyon. 740 Comment
  RSA654299  Polypogon monspeliensis Monica Acosta 1998-5-22 16 Los Angeles The Center for Regenerative Stuedies, South of California State Polytechnic University. (Cal Poly Pomona) 225 Comment
  UCD91380  Polypogon monspeliensis Robert F. Thorne; P. Everett 1965-5-11 34550 Los Angeles Behind N beach at Little Harbor, Santa Catalina Island. 1 Comment
  UCR136834  Polypogon monspeliensis John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  UCR277215  Polypogon monspeliensis R. G. Swinney 2010-5-25 12940 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  LA103567  Polypogon viridis Barry A. Prigge; 1986-3-29 7164 Los Angeles Little Rock Creek: just above State Hwy 138 883 Comment
  RSA596468  Polypogon viridis Lauren Raz, Steve Boyd 1996-10-23 6 Los Angeles Liebre Mountains. Entrance to Ruby Canyon on Forest Service Road 6N24 ca. 1/10 mile from junction with Lake Hughes Road 609 Comment
  RSA596986  Polypogon viridis Steve Boyd, Lauren Raz 1996-9-24 8960 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 915 Comment
  RSA729890  Polystichum imbricans subsp. curtum R. G. Swinney 1998-8-30 6858 Los Angeles South fork of Dry Lake Canyon, a western tributary of San Antonio Canyon. 985 Comment
  RSA585437  Polystichum imbricans subsp. imbricans T. S. Ross, Steve Boyd 1990-5-31 2731 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  UCR270466  Polystichum munitum R. G. Swinney 2011-11-1 15953 Los Angeles San Gabriel Mountains, confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 671 Comment
  UCR191177  Populus fremontii R. G. Swinney 1999-6-28 7462 Los Angeles San Gabriel Mtns./Mojave Desert, Graham Canyon, south of Mescal Highlands Rd. 1494 Comment
  RSA640637  Populus fremontii subsp. fremontii Louis C. Wheeler 1967-5-15 9604 Los Angeles San Gabriel Mountains: Elsmere Canyon; bottom of canyon near mouth. 434 Comment
  UCR190747  Potentilla glandulosa R. G. Swinney 2001-6-2 7959 Los Angeles San Gabriel Mtns./Mojave Desert, Juniper Hills area, Cruthers Creek 1.1 mi. south of Devils Punchbowl Rd. 1311 Comment
  RSA293402  Potentilla glandulosa subsp. ewanii Reino Alava, R. C. Bacigalupi 1958-7-20 2226 Los Angeles North slopes of Throop Peak, 1/2 mile south of Dawson Saddle, Angeles Crest Highway (California Highway No. 2), Angeles National Forest, San Gabriel Mountains. 2378 Comment
  CHSC98716  Prunus fasciculata var. fasciculata LeRoy Gross 2005-5-3 2184 Los Angeles Transverse Ranges; San Gabriel Mountains region: West terminus of Holcomb Ridge, west of Big Rockl Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. Growing along Valyermo Road, clump in a side canyon. T4N, 5N R9W, 10W S6, 1, 31, NW1/4 of 6, NE1/4 of 1, SW1/4 of 31. 1149 Comment
  SBBG34598  Prunus fasciculata var. fasciculata R. Hoffmann 1927-6-14 Los Angeles E end of Pine Cyn Comment
  CAS-BOT-BC154060  Prunus ilicifolia A. C. Sanders; Helen Kennedy 2005-4-13 29428 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA453248  Prunus ilicifolia Ora M. Clark 1929-3-24 1781 Los Angeles Santa Susanna Mtns. [County: Los Angeles or Ventura] Comment
  RSA588142  Prunus ilicifolia subsp. ilicifolia Orlando Mistretta 1994-5-23 1231 Los Angeles San Gabriel Mountains: Little Rock Creek. DrainageE of creek and N of Forest Rd. 4N15. 1280 Comment
  RSA451456  Prunus virginiana var. demissa Bonnie C. Templeton 1932-5-31 4851 Los Angeles Vincent Gulch, below Big Pines Camp. Comment
  RSA587027  Prunus virginiana var. demissa Orlando Mistretta 1994-6-15 1359 Los Angeles San Gabriel Mountains: Santiago Canyon. Side drainage entering Santiago Canyon from the W, about 3 miles S of confluence of Santiago Creek and Little Rock Creek. 1585 Comment
  SD215651  Prunus virginiana var. demissa Timothy S. Ross, Steve Boyd & Peter W. Fritsch 1990-6-11 3368 Los Angeles Big Rock Creek Canyon: ca 120 meters north-northwest of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin); Valyermo 7.5' USGS topo sheet 1730 Comment
  UC586921  Prunus virginiana var. demissa Joseph Andorfer Ewan 1934-8-5 8461 Los Angeles Prairie Fork of San Gabriel River, (over two acre area) Prairie Fork of San Gabriel River; San Gabriel Mountains, Prairie Fork of San Gabriel River 1524 Comment
  UC1211120  Pseudognaphalium biolettii Huron H. Smith 1912-6-1 5073 Los Angeles Avalon Canyon Santa Catalina Island, Avalon Canyon 38 Comment
  CAS-BOT-BC356723  Pseudognaphalium californicum Geo. B. Grant 1901-5-14 s.n. Los Angeles Pasadena Comment
  SBBG59441  Pseudognaphalium californicum S. A. Junak with K. Kirkland 1998-5-2 SCa 650 Los Angeles S of rd to East Pk, on ridge SW of Pk 1245, ca. 0.9 air mi WNW of East Pk 243 Comment
  RSA0036278  Pseudognaphalium californicum Bill Duval s.n. Los Angeles Montrose 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
  CATA1300  Pseudognaphalium luteoalbum Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2390 Los Angeles Santa Catalina Island: River bed just below upper Cape Canyon Reservoir 304 Comment
  CAS-BOT-BC357298  Pseudognaphalium microcephalum Alice Eastwood 1906-5-27 143 Los Angeles Country adjacent to Los Angeles. Laurel Canyon Comment
  JEPS26124  Pseudognaphalium microcephalum Peter H. Raven 1958-9-28 13738 Los Angeles Elysian Park Santa Monica Mountains, Elysian Park 213 Comment
  CAS-BOT-BC357293  Pseudognaphalium microcephalum Peter H. Raven; Henry J. Thompson 1959-9-27 14504 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Sepulveda Canyon 243 Comment
  RSA529212  Pseudotsuga macrocarpa T. S. Ross, Steve Boyd 1991-7-24 5655 Los Angeles Granite Mountain 1982 Comment
  SEINET3875013  Pseudotsuga macrocarpa Victor Duran 1933-7-27 3537 Los Angeles Little Rock Creek, San Gabriel Mountains.; 0 1676 Comment
  RSA0011723  Pteris vittata R. G. Swinney 1998-6-9 6180 Los Angeles Fish Canyon at Fish Canyon Falls, 4.5 miles north of Fish Canyon Rd. at trail head. 427 Comment
  CAS-BOT-BC421189  Pterostegia drymarioides J. C. Nevin No date on label s.n. Los Angeles Los Angeles Comment
  RSA0055768  Pterostegia drymarioides R. G. Swinney 2010-4-1 12141 Los Angeles San Gabriel Mountains: Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Mac 399 Comment
  UCR205177  Pterostegia drymarioides R. G. Swinney 2008-4-10 8637 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lodi Canyon, west of San Dimas Reservoir 463 Comment
  UC1128514  Purshia tridentata var. glandulosa R. St. John 1930-2-26 104 Los Angeles Hungry Valley and Peace Valley; Tejon Quad. 914 Comment
  LA201752  Pyracantha angustifolia Arthur C. Gibson; 2001-5-18 4812 Los Angeles 518 Comment
  JEPS40266  Quercus George B. Grant Mar 1903 Los Angeles Sawpit Canyon Monrovia Comment
  SD260960  Quercus D. E. Bramlet 2011-8-26 4938 Los Angeles San Gabriel Mountains: Maple Canyon, east of Big Tujunga Canyon, C. 1/2 mile due south of Big Tujunga Reservoir. 707 Comment
  UC848121  Quercus I. W. Clokey 1930-9-11 5327 Los Angeles 1635 Laurel St, South Pasadena South Pasadena Comment
  UCR275543  Quercus D. E. Bramlet 2011-8-26 4937 Los Angeles San Gabriel Mountains, Maple Canyon, east of Big Tujunga Canyon, c. 1/2 mile due south Big Tujunga Reservoir 915 Comment
  RSA6207  Quercus X macdonaldii Carl B. Wolf 1932-10-5 4230 Los Angeles Santa Catalina Island, Black Jack Peak, south side (below buildings used to house workers). 305 Comment
  SBBG13564  Quercus X macdonaldii E. R. Blakley 1961-9-23 4717 Los Angeles SE side of Catalina Harbor 15 Comment
  RSA476855  Quercus agrifolia var. agrifolia Freda Detmers 1933-4-9 s.n. Los Angeles Los Angeles National Forest, Little Tujunga Canyon. Comment
  RSA653362  Quercus berberidifolia LeRoy Gross 2000-10-28 302 Los Angeles Verdugo Mountains: Brand lateral trail behind the Brand Park Library, ridge west of Idlewood Canyon, where Grandview Ave. and Mountain St. meet in city of Glendale. Following fire break up to main crest (to Beaudry fire road) 366 Comment
  UC1587584  Quercus berberidifolia Tim Ross 1991-9-2 5918 Los Angeles near Mulholland Highway x Yerba Buena Road; Santa Monica Mountains, Triunfo Pass U.S.G.S. 7.5' Quad. 472 Comment
  UCD45268  Quercus berberidifolia Daryl Koutnik 1978-4-28 s.n. Los Angeles Common shrub on dry hillside with Juniperus californica. Cornell Corners, south of Agoura Road on Cornell Road. Elevation 1000 feet. 304 Comment
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Oct 1 2018
  UCR178167  Quercus berberidifolia LeRoy Gross 2000-11-4 319 Los Angeles Verdugo Mountains, trail at end of Morning Glow, past Sunglow Way, east of La Tuna Canyon Road, Sun Valley 366 Comment
  UCR178222  Quercus berberidifolia LeRoy Gross 2000-11-12 331 Los Angeles Verdugo Mountains, Green Verdugo Fire Road, off Sunland Blvd. just west of 210 freeway. This road goes up to Green Verdugo Reservoir 412 Comment
  CAS-BOT-BC62530  Quercus chrysolepis Marcus E. Jones 1931-10-10 q 28586 Los Angeles San Antonio Canon Comment
  LA46439  Quercus chrysolepis Carl Epling; May 1926 sn Los Angeles Arroyo Seco Comment
  RSA476906  Quercus chrysolepis Donald R. Bissing 1973-6-2 121 Los Angeles Evey Canyon, San Gabriel Mtns. on Canyon Wall below road cut 0.7 mile from mouth of Canyon. 780 Comment
  RSA652308  Quercus chrysolepis Matt Bogdanoff 1981-5-27 38 Los Angeles Ca Hwy 39, 14.5 mi N of junction with Sierra Madre Ave., N of Azusa. 793 Comment
  CATA1759  Quercus douglasii E. R. Blakley 1962-10-5 5465 Los Angeles Santa Catalina Island: Middle Ranch Canyon between mouth of Cape Canyon and its head 228 Comment
  RSA567274  Quercus douglasii Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-28 3944 Los Angeles About 340 m NNW of the old Tumble Inn site along stretch of road between the old Ridge Route and Liebre Gulch. 1098 Comment
  SEINET12027838  Quercus douglasii D. P. Reagan 1974-1 12 Los Angeles just E of Sandberg,along State Road N-2 Comment
  CAS-BOT-BC86210  Quercus dumosa Alice Eastwood 1917-7-20 6524 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC86364  Quercus dumosa Dr. H. E. Hasse 1891-11-15 s.n. Los Angeles Sierra Santa Monica Comment
  SEINET12034337  Quercus dumosa Unknown 1933-1 8170 Los Angeles Comment
  POM19032  Quercus durata var. gabrielensis E. S. Spalding 1921-2-23 s.n. Los Angeles Near Palmer Canyon, north of Claremont. Comment
  POM270186  Quercus durata var. gabrielensis Lyman Benson 1946-10-15 12204 Los Angeles South margin, 2 miles north of Claremont; San Gabriel Mt. 457 Comment
  RSA652363  Quercus durata var. gabrielensis O. Aragon, R. J. Meyer 1950-2-14 s.n. Los Angeles [County L.A. or San Bernardino] Mt. Baldy region. 1829 Comment
  SEINET7845628 Image available Quercus durata var. gabrielensis D. E. Bramlet 2011-1 4871 Los Angeles Transverse Ranges; San Gabriel Mountains region: Middle of Maple Cyn., 490m east of Big Tujunga Rd. &477m W of Angeles Forest Hwy. (Condor Peak:T2N R12W). 786 Comment
  UCD45986  Quercus durata var. gabrielensis D. Q. Cavagnaro 1963-9-19 98 Los Angeles Right above junction by Lower San Antonio Ranger Station, Mt. Baldy Road, Los Angeles County, California. 792 Comment
  SEINET6654706  Quercus engelmannii Robert F. Thorne 1980-4-26 54146 Los Angeles Channel Islands, Santa Catalina Island, Blackjack Camp. W slope of Blackjack Peak.; 0 Comment
  UCSB28159  Quercus john-tuckeri Lloyd, Robert 1959-3-24 Los Angeles At Oak Flats Fire Station, 10 mi. north of Castaic, Calif, on U.S. Hwy. 99, Tehachapi Mts. 822 Comment
  UCSB34827  Quercus john-tuckeri Lloyd, Robert 1959-3-24 Los Angeles 5 miles north of Oak Flats Fire Station at upper end of Piru Gorge, West side of U.S. Hwy. 99; Tehachapi Mts., approx. 15 miles north of Castaic 701 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
  RSA571669  Quercus kelloggii C. Epling 1931-5-16 s.n. Los Angeles San Gabriel Mountains. Big Pines Camp. Comment
  UC848094  Quercus kelloggii unknown Jul 1921 Los Angeles Bear Creek 2042 Comment
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Mar 29 2014
  RSA0117723  Quercus lobata A. C. Sanders 2007-4-25 33571 Los Angeles Tehachapi Mtns.: Oso Canyon, 0.5 mi. SE of Kern Co. line, on Oso Canyon Rd. 1128 Comment
  OBI14277  Quercus pacifica H. E. McMinn 1924-7-25 1307 Los Angeles Catalina Island Comment
  RSA476564  Quercus pacifica M. B. Dunkle 1928-10-14 2018 Los Angeles Santa Catalina Island, Renton Mine Road Comment
  SD225829  Quercus pacifica John M. Tucker 1992-3-31 Los Angeles Santa Catalina Island, upper Middle Ranch Canyon below pump station, roughly 4 1/2 mi. west of Avalon 256 Comment
  CAS-BOT-BC250923  Quercus tomentella P. S. Manos 1988-10-28 694 Los Angeles San Clemente Island, S fork of Vista Canyon 243 Comment
  LA205329  Quercus tomentella Jonathan Sauer; D. L. Johnson 1969-5-10 4512 Los Angeles San Clemente Island, bottom of Reservoir Canyon, central E coast Comment
  SBBG43937  Quercus tomentella M. R. Benedict 1971-6-26 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  SD52891  Quercus tomentella Peter H. Raven 1962-5-10 17720 Los Angeles San Clemente Island, near head of north branch of canyon north of Gray 487 Comment
  UCD47332  Quercus tomentella D. H. Wilken; D. Kershaw 1996-5-30 15217 Los Angeles San Clemente Island. E side of Twin Dams Cyn, 1.1 km nnw of Boulder, 1.8 km se of Peak. UTM: 11S, 322490 E, 3641597 N. 455 Comment
  SBBG19180  Rafinesquia californica M. A. Piehl 1963-12-7 631063 Los Angeles N base of Pyramid Head 6 Comment
  UCR187251  Ranunculus californicus A. C. Sanders 2006-4-18 32116 Los Angeles Tehachapi Mtns. Foothills, hills south of Oso Canyon on the west side of the Cement Plant Rd., c. 0.75 mile north of Quail Lake 1067 Comment
  RSA0051624  Ranunculus californicus L. E. Hoffman 1945-3-26 s.n. Los Angeles Santa Monica Mountains. 304 Comment
  SBBG28533  Ranunculus hebecarpus L. C. Wheeler 1934-3-24 2467 Los Angeles Live Oak Cyn 472 Comment
  UC450914  Ranunculus hebecarpus Fay A. Macfadden 1931-3-29 17 E Los Angeles Tuna Canyon Verdugo Hills 335 Comment
  UC454020  Ranunculus hebecarpus I. J. Condit 1911-3-27 Los Angeles Catalina Island Comment
  UCD96140  Ranunculus hebecarpus F. R. Fosberg 1931-3-24 S 4348 Los Angeles Hamilton Canyon, Santa Catalina Island. 40 Comment
  SEINET12086952  Ranunculus hebecarpus F. R. Fosberg 1931-1 s 4348 Los Angeles Hamilton Canyon, Santa Catalina Island 40 Comment
  UC56267  Rhamnus crocea Ernest Braunton 1902-5-5 358 1/2 Los Angeles Glendora Comment
  UCR270115  Rhamnus crocea R. G. Swinney 2010-4-15 12247 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
  SEINET12210180  Rhamnus crocea var. ilicifolia I. W. Clokey, Templeton, B. 1929-1 4511 Los Angeles Mandeville Canyon, Santa Monica Mountains 200 Comment
  RSA0094368  Rhamnus ilicifolia R. G. Swinney 2011-5-30 14920 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  RSA517152  Rhamnus ilicifolia Tim S. Ross, S. D. Boyd 1990-5-14 2476 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1122 Comment
  SD253538  Rhamnus ilicifolia R. G. Swinney 2011-5-19 14779 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 miles SSE of junction of Colby Ranch Road and FS Rd. 3N19, upper Big Tujunga Canyon, south side of Coldwater Canyon creek (Chilao Flat 7.5'Q) 1073 Comment
  UCR223545  Rhamnus ilicifolia R. G. Swinney 2009-6-2 11006 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  RSA390843  Rhamnus ilicifolia Anstruther Davidson 1891-7-10 s.n. Los Angeles [Unspecified] Comment
  CAS-BOT-BC59788  Rhamnus pirifolia Tim Ross; Jakara Takara; Stacey Otte 1993-4-24 6961 Los Angeles Santa Catalina Island: w. end of island beyond the isthmus, lower Bouchette Canyon (draining northeastward to Johnsons 91 Comment
  SBBG17831  Rhamnus pirifolia E. R. Blakley 1963-4-8 5556 Los Angeles ridge S of Avalon Valley above Avalon Terrace 243 Comment
  RSA386483  Rhus integrifolia F. H. Elmore 394 Los Angeles San Clemente Island. Comment
  SBBG101185  Rhus integrifolia T. Ross, A. Ross 1991-9-7 5959 Los Angeles below hairpin turn, Mulholland Hwy and Yerba Buena Rd; Santa Monica Mtns; T1S R19W, E/4 SW/4 NE/4 SE/4 S8 [putative hybrid w/ R. ovata] 359 Comment
  SBBG128446  Rhus integrifolia M. L. Hoefs 1994-7-18 1888 Los Angeles NE of upper end of rd to White's Landing 243 Comment
  SBBG78531  Rhus integrifolia F. R. Fosberg 1931-3-18 4286 Los Angeles Hamilton Cyn 20 Comment
  CAS-BOT-BC167946  Rhus ovata Louis C. Wheeler 1931-11-11 341 Los Angeles 2 mi. SW Girard, Santa Monica Mts. 426 Comment
  RSA650232  Rhus ovata G. Foster 1961-6-2 s.n. Los Angeles Old Baldy Rd., Angeles National Forest Comment
  SDSU2177  Rhus ovata Gerald Collier 1951-5-5 M 293 Los Angeles Santa Anita Canyon, San Gabriel Mtns. About 1 mile up canyon fromk base of Chantry Flats Trail. Comment
  UCD116928  Rhus ovata R. Armacost 1961-3-13 s.n. Los Angeles Santa Monica City College Botanical Garden. Santa Monica. Comment
  SEINET12236058  Rhus trilobata D. P. Reagan 1974-1 16 Los Angeles 2 mi NW of Valencia Comment
  RSA293868  Ribes amarum Lyman Benson 1946-3-11 11983 Los Angeles Big Dalton Canyon Dam, above Glendora. 671 Comment
  SEINET3151599  Ribes amarum G. B. Grant 1904-4-4 1124 Los Angeles Garvanza Comment
  RSA476425  Ribes aureum var. gracillimum Fay A. MacFadden 1931-3-17 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  SEINET12215918  Ribes aureum var. gracillimum R. F. Thorne, Tilforth, C. W. 1971-1 41527 Los Angeles San Gabriel Mts., Angeles NF, or near entrance thereto & below entrance to San Dimas Canyon 381 Comment
  RSA278303  Ribes cereum var. cereum John F. Emmel 1976-7-13 552 Los Angeles NE upper slope of Mount San Antonio. 3049 Comment
  RSA654356  Ribes cereum var. cereum Valerie L. Soza, LeRoy Gross 2000-5-23 957 Los Angeles East of Kelly Camp, W of Bighorn Peak, 0.7 miles from Icehouse Saddle along Ontario Peak Trail. 2378 Comment
Read comments
Dec 13 2013
  UC741681  Ribes divaricatum var. parishii Frederick V. Coville 1925-4-18 171 Los Angeles Lexington Wash El Monte 91 Comment
  RSA0008286  Ribes divaricatum var. parishii J. C. Roos 1951-3-10 5032 Los Angeles San Gabriel River at Whittier Narrows. 61 Comment
  UCR124746  Ribes malvaceum B. C. Templeton, I. W. Clokey 1930-4-2 1432 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive northwest of Hollywood 610 Comment
  CAS-BOT-BC219179  Ribes nevadense Carl Epling; Nesta Dunn; Alice Goen 1931-5-16 s.n. Los Angeles Big Pines Camp, San Gabriel Mountains Comment
  CAS-BOT-BC219180  Ribes nevadense G. B. Grant 1902-6-1 475 Los Angeles Summit, Mount Wilson Comment
  POM11393  Ribes nevadense P. A. Munz 1921-6-17 4648 Los Angeles Sawmill, Swartout [Swarthout] Valley. 2043 Comment
  RSA628377  Ribes nevadense Scott D. White 1998-6-29 s.n. 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
  UC1127510  Ribes quercetorum G. E. Sindel 1935-1-7 108 Los Angeles 1 1/4 mi se Quail Lake; Tejon Quadrangle Comment
  CAS-BOT-BC144441  Ribes speciosum LeRoy Abrams 1902-3-11 3118 Los Angeles Sepulveda canyon, Santa Monica mts. Comment
  UCSB41825  Ribes speciosum Weidert, S. 1971-3-22 Los Angeles Puddingstone Reservoir 457 Comment
  CAS-BOT-BC173932  Ribes viburnifolium James R. Shevock 1975-3-23 4043 Los Angeles On the north side of Orizaba Peak in the vicinity of Black Jack Campground. Santa Catalina Island 457 Comment
  SBBG53165  Ribes viburnifolium S. A. Junak 1978-4-15 SCa 16 Los Angeles overlooking small cove just W of Lyon's Head Pt Comment
  CDA4897  Ricinus communis Phillipson 1915-5-7 Los Angeles Monrovia. Comment
  RSA480743  Ricinus communis B. C. Templeton 1962-3-24 9294 Los Angeles W. side Verdugo Hills Comment
  RSA649800  Ricinus communis Matt Brooks 1988-5-12 70 Los Angeles Whittier, Turnbull Canyon Rd. 0.5 miles east of its intersection with Beverly Blvd. Comment
  SFV16295  Robinia pseudoacacia J. D. Dilley 1996-7-18 85 Los Angeles San Gabriel Mountains Angeles National Forest, Mill Creek Summit on Angeles Forest Highway. Growing in gravely soil on a ridge top. 1494 Comment
  UCR259165  Romneya coulteri R. G. Swinney 2010-6-23 13369 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
  CAS-BOT-BC74534  Rorippa curvisiliqua Dr. H. E. Hasse 1889-9-1 s.n. Los Angeles Near Santa Monica. Comment
  HSC101338  Rorippa curvisiliqua R. G. Swinney 2009-3-31 10219 Los Angeles Transverse Range; San Gabriel Mtns.: mouth of San Gabriel Canyon, 0.7-1.2 mi. NE of Foothilll Blvd., Azusa 213 Comment
  CATA1061  Rosa californica Mark L. Hoefs 1995-5-10 1994 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail, above #7 tee of golf course 97 Comment
  CATA115  Rosa californica Peter Henrikson 1987-5-8 86 Los Angeles Santa Catalina Island: Little Springs Canyon 30 Comment
  UCR43314  Rosa woodsii David Charlton 1986-6-15 279 Los Angeles San Gabriel Mtns, Buckhorn Campground: creek along Burkhart Trail 1768 Comment
  RSA342505  Rosa woodsii subsp. gratissima Robert F. Thorne, M. Z. Thorne 1969-7-9 38586 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Pines. 2073 Comment
  UC64528  Rosa woodsii subsp. gratissima H. M. Hall June, 1899 1513 Los Angeles Swarthout Canyon San Antonio Mountains 1920 Comment
  CATA2965  Rubus armeniacus Charlie de la Rosa 2011-5-10 Los Angeles Santa Catalina Island: Sweetwater Canyon 260 Comment
  UCR107763  Rubus discolor L. C. Wheeler 1968-5-15 s.n. Los Angeles San Gabriel Mtns., San Antonio Canyon 976 Comment
  CAS-BOT-BC158814  Rubus ursinus Marcus E. Jones 1882-5-2 s.n. Los Angeles Pasadena Comment
  RSA187751  Rubus ursinus Robert F. Thorne 1966-4-5 35815 Los Angeles Santa Catalina Island. Along Cottonwood Creek by bridge on road from Middle Ranch to Little Harbor. 27 Comment
  RSA562580  Rubus ursinus Steve D. Boyd, W. Appleby 1993-4-22 7990 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon 854 Comment
  RSA584122  Rubus ursinus Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-8 2973 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 Barley Flats). 1213 Comment
  UCR205936  Rubus ursinus A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37061 Los Angeles San Gabriel Valley, Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery 63 Comment
  UCR219425  Rubus ursinus R. G. Swinney 2009-4-1 10233 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Canyon, Monrovia Mountain Park 415 Comment
  UCR219939  Rubus ursinus R. G. Swinney 2009-4-16 10366 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel Canyon, 0.3 to 0.6 miles NW (upstream) of confluence with San Gabriel River 280 Comment
  RSA0081129  Rumex conglomeratus R. G. Swinney 2010-6-29 13387 Los Angeles Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center. 305 Comment
  CAS-BOT-BC433248  Rumex crispus Peter H. Raven; Henry J. Thompson 1959-5-5 14114 Los Angeles Santa Monica Mountains. Mulholland Hwy. 1 mile W. of Las Virgenes Rd. Malibu Creek drainage 274 Comment
  RSA258382  Rumex crispus C. W. Tilforth 1972-6-23 600 Los Angeles Los Angeles. Found occasionally under almost all conditions. Comment
  RSA774168  Rumex salicifolius R. G. Swinney 2009-7-22 11341 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  RSA84989  Ruppia cirrhosa F. W. Peirson 1918-6-16 1540 Los Angeles Small lake south of Palmdale, west Mojave Desert. Comment
  UC851292  Salicornia subterminalis L. W. Nuttall 1920-5-16 223 Los Angeles Santa Catalina Island Comment
  RSA604990  Salix exigua Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1997 Comment
  POM123313  Salix laevigata Marcus E. Jones 1882-3-7 s.n. Los Angeles Pasadena. Comment
  RSA0021483  Salix laevigata Duncan S. Bell, Caitlin Elam 2013-7-11 5355 Los Angeles Sheep Mountain Wilderness; northeastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1997 Comment
  RSA598941  Salix laevigata Steve D. Boyd, Tim S. Ross 1997-3-21 9199 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  UC504063  Salix laevigata Ernest Braunton 1932-4-17 1067 Los Angeles Tujunga Canyon San Gabriel Mts., Tujunga Canyon 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
  RSA729943  Salix lasiolepis R. G. Swinney 1999-6-18 7299 Los Angeles Big John Flat, SE end along canyon bottom of east of fork of Boulder Canyon. 1732 Comment
  UCD111607  Salix lasiolepis F. R. Fosberg 1932-1-26 7177 Los Angeles Los Angeles River, at foot of Cahuenga Pass grade. 180 Comment
  SEINET10396574  Salix lasiolepis G. B. Grant 1904-1 1161 Los Angeles Pasadena. Comment
  UC506406  Salix lasiolepis Carl Hedin and Joseph Ewan 1933-2-16 7652 Los Angeles Comment
  CAS-BOT-BC107549  Salix lasiolepis var. lasiolepis Carl W. Sharsmith 1932-1-17 7 a Los Angeles at bottom of Lower San Gabriel Canyon, about 9.5 km. above Azusa 300 Comment
  CAS-BOT-BC128520  Salix lasiolepis var. lasiolepis Carl W. Sharsmith 1932-1-17 7 Los Angeles At bottom of Lower San Gabriel Canyon, about 9.5 km. above Azusa 300 Comment
  SFV19099  Salix lucida M. Gary 2003-5-10 s. n. Los Angeles La Canada. Arroyo Seco at Hahamongna Watershed Park. 350 Comment
  RSA622850  Salix melanopsis Louis C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: East Fork of Alder Creek off Big Tujunga. 1494 Comment
  UCR48979  Salsola australis A. C. Sanders 1987-9-18 7358 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar Blvd. 38 Comment
  POM228981  Salsola tragus L. C. Wheeler 1932-9-5 1342 Los Angeles San Antonio Canyon 1066 Comment
  POM305687  Salsola tragus Henry J. Ramsey, Henry J. Ramsey 1937-8-29 979 Los Angeles Altadena. 396 Comment
  RSA71794  Saltugilia splendens subsp. grantii F. W. Peirson 1928-6-2 7933 Los Angeles South Fork of Rock Creek 1982 Comment
  RSA733721  Saltugilia splendens subsp. grantii R. G. Swinney 2000-6-25 7802 Los Angeles San Gabriel Mtns.: ridge top (hill 4413) on west side of San Antonio Canyon, between Evey Canyon and nameless 1st canyon to north, c. 3/4 mi. west of San Antonio Cyn. Rd. 1345 Comment
  POM49830  Saltugilia splendens subsp. splendens J. B. Feudge 1924-6-10 575 Los Angeles Big Pines, Swartout [Swarthout] Valley. 1982 Comment
  RSA145220  Salvia apiana Alice Ann Webb 1961-3-17 784 Los Angeles End of Indian Hill (N.), where bulldozers were messing around, Claremont. Mt. Range - San Gabriel. 457 Comment
  RSA424337  Salvia apiana William Emboden 1970-6-12 28 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  RSA660801  Salvia apiana LeRoy Gross, Valerie Soza 2001-5-31 390 Los Angeles Vedugo Mountains Region: Southeast side. Dead Horse Canyon. Collected on ridge north of this canyon 457 Comment
  UCD63555  Salvia apiana Daniel Sanchez-Mata 2006-6-29 s.n. Los Angeles Azusa. Los Angeles National Forest. S. Gabriel Canyon Road close to Torpedos Dam and Morris Reservoir. 450 Comment
  RSA588154  Salvia apiana Orlando Mistretta 1994-5-23 1240 Los Angeles Little Rock Creek; drainage E of creek and N of Forest Rd. 4N15, near colfluence with Little Rock Creek. 1220 Comment
  SFV3204  Salvia carduacea M. L. Vincent 1962-5-7 241 Los Angeles Mojave Desert Llano at junction of road to Mile High. Roadside on Highway 138. 965 Comment
  RSA401468  Salvia columbariae F. R. Fosberg 1931-4-23 S 4699 Los Angeles Santa Catalina Island: Cape Canyon 260 Comment
  RSA578103  Salvia columbariae Tim S. Ross, Steve D. Boyd 1994-5-10 7704 Los Angeles Saddle divide between East Fork Fish Canyon and Warm Springs Canyon: vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132); ca 2920 m NNW of Warm Springs Mountain summit. 854 Comment
  RSA668667  Salvia columbariae Steve Boyd, LeRoy Gross 2002-5-7 10434 Los Angeles Del Sur Ridge, upper Haskel Canyon drainage, west of Bouquet Canyon, southward from the Coarse Gold Road (5N24). 610 Comment
  SD231333  Salvia columbariae Sula Vanderplank, LeRoy Gross & Steve Hoskinson. 2005-5-6 50506 7 Los Angeles Transverse Ranges; San Gabriel Mountains region; Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  UCR123639  Salvia columbariae Steven R. Hill, K. Kramer 2001-4-22 33354 Los Angeles San Gabriel Mountains/SW Mojave Desert, S side of Antelope Valley, Johnson Road, 6.2 mi NNE of junction with Elizabeth Lake Road, 3 mi south of junction of Avenue I and 110th Street West 939 Comment
  RSA729870  Salvia dorrii var. pilosa R. G. Swinney 1999-6-5 7245 Los Angeles San Gabriel Mtns.: east side of Big John Peak, west of Mescal Creek above Big John Flat. 1780 Comment
  RSA0088585  Salvia leucophylla R. G. Swinney 2010-5-4 12552 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  RSA0115310  Salvia leucophylla R. G. Swinney 2010-5-25 12906 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA434098  Salvia leucophylla F. R. Fosberg 1931-6-19 S- 5157 Los Angeles Carbon Canyon, Puente Hills Range. Comment
  RSA434156  Salvia mellifera R. J. Tinkler 1969-7-12 s.n. Los Angeles Mullholland Drive, west of San Diego Freeway. Comment
  SEINET3200285  Salvia mellifera G. Rink 2011-6-1 10569 Los Angeles Chino Hills, northeast of La Brea. 260 Comment
  UCR126235  Salvia mellifera A. C. Sanders 2003-3-14 25763 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 171 Comment
  UCR200004  Salvia mellifera Valerie Soza, Mariam Sidibeh 2003-3-26 1618 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
  UCR216876  Salvia mellifera R. G. Swinney 2009-3-13 10114 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 0.8 mi. north of Foothill Blvd. on east side of main river channel 192 Comment
  UCR270988  Salvia mellifera R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14323 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
  UCR3962  Salvia mellifera Art Whistler 1965-3-27 s.n. Los Angeles Transverse Range; Santa Susana Mtns., fire road through a canyon about 0.5 mi west of Chatsworth Reservoir in Chatsworth 274 Comment
  SEINET9368959  Salvia mellifera Unknown 1988-5-15 9 Los Angeles Topanga Canyon Comment
  RSA434078  Salvia spathacea N. C. Cooper 1945-5-1 2190 Los Angeles Tapia Park, Santa Monica Mountains 762 Comment
  RSA596802  Sambucus mexicana T. S. Ross, J. Mark Porter 1995-5-4 8509 Los Angeles Texas Canyon: ca 2.8 road miles NE of Bouquet Canyon Road. 610 Comment
  RSA657961  Sambucus mexicana D. Adams 1979-5-11 8 Los Angeles Verdugo Mountains; East of Glendale College, approx. 58 meters from east corner of cafeteria, 1500 North Verdugo Road, Glendale. Comment
  HSC49068  Sambucus nigra subsp. caerulea Patricia Shesgreen 1978-6-17 103 Los Angeles Whittier Hills, 0.4 mi. E of Painter Ave., N side of Turnbull Canyon Rd. Comment
  LA32914  Sanicula arguta Carl Epling; L. Ellison 1930-3-28 sn Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon Comment
  UC1400358  Sanicula arguta Robert F. Thorne 1973-4-11 42808 Los Angeles San Clemente Island, upper part of Middle Ranch Canyon Middle Ranch Canyon; San Clemente Island, Middle Ranch Canyon 381 Comment
  UC398747  Sanicula arguta Katharine Brandegee Los Angeles Santa Catalina Island Comment
  UCR19569  Sanicula arguta Tema S. Clare 1929-3-3 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Topanga Canyon Comment
  RSA470988  Sanicula arguta M. B. Dunkle 1939-4-3 7236 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  RSA746900  Sanicula bipinnatifida R. G. Swinney 2005-4-15 8220 Los Angeles Glendora, South Hills, junction of Wild Iris Trail and South Hills Trail 320 Comment
  SD69525  Sarcocornia pacifica Robert F. Thorne 1966-4-4 35769 Los Angeles Santa Catalina Island; salina behind Ballast Point, Catalina Harbor, Isthmus. Comment
  RSA471118  Sarcodes sanguinea B. C. Templeton 1932-5-31 4865 Los Angeles Jackson Lake, Big Pines Park 1768 Comment
  UC1369830  Satureja douglasii Robert F. Thorne and D. Propst 1968-5-28 37647 Los Angeles Middle Bulrush Canyon Santa Catalina Island 243 Comment
  UCR101179  Satureja mimuloides L. C. Wheeler 1965-6-5 8698 Los Angeles San Gabriel Mtns., c. 1 mi. upstream from Mill Creek, opposite turn-off to Upper Big Tujunga to Camp Colby. Comment
  CHSC95482  Schinus molle LeRoy Gross; Valerie Soza, Samantha Tessel 2001-6-4 409 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
  RSA652848  Schinus molle Ron Martinolich 1991-4-7 36 Los Angeles Los Angeles, Griffith Park, Bee Rock Trail, from trailhead of upper, western end, east about 50 feet. Comment
  CATA2875  Schinus terebinthifolius Sara L. Crockett, Michael Daligdig 1996-10-21 9 Los Angeles Santa Catalina Island: Descanso Beach Club 15 Comment
  SBBG112866  Schismus arabicus S. A. Junak with M. L. Hoefs, K. Kirkland 1998-7-17 SCa 766 Los Angeles Silver Cyn, at base of slope on W side of cyn, ca. 0.15 mi inland from beach 9 Comment
  SBBG113061  Schismus arabicus S. A. Junak with M. L. Hoefs, K. Kirkland, J. Takara 1998-5-1 SCa 590 Los Angeles Airport Rd, ca. 0.2 mi W of Middle Ranch Rd, overlooking Swain's (Swain) Cyn 411 Comment
  RSA653883  Schismus barbatus Valerie L. Soza, Steve Boyd 2000-4-26 795 Los Angeles Verdugo Mountains, south side: Stough Canyon, Stough Park, above parking lot SW of intersection of Walnut Avenue and Lockheed View Drive, W of De Bell Municipal Golf Course, SE of Starlight Theater. 396 Comment
  UCR258897  Schismus barbatus R. G. Swinney 2010-4-30 12459 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, 0.67 miles east of Wilson Cyn. Debris Basin on south side of the ridge south of the southern of the two eastern forks of Wilson Cyn. 616 Comment
  UCR223489  Schoenoplectus acutus R. G. Swinney 2009-7-1 11296 Los Angeles Transverse Range; San Gabriel Mtns., Puddingstone Diversion Dam, San Dimas Canyon 354 Comment
  RSA595176  Schoenoplectus acutus var. occidentalis L. C. Wheeler 1946-8-28 6271 Los Angeles San Gabriel Mountains. Caldwell Lake. 1569 Comment
  RSA202465  Schoenoplectus maritimus R. L. Armacost 1963-5-7 1620 Los Angeles Malibu to Old Topanga [Canyon]. Comment
  RSA366070  Schoenoplectus maritimus Edwin Kline 1924-7-5 s.n. Los Angeles Near Inglewood. Comment
  UC306164  Scirpus americanus I. Johnston 1917-5-13 Los Angeles El Monte El Monte (ditch along R.R., Southern California) Comment
  RSA97633  Scutellaria austiniae R. M. Straw 1954-6-16 618 Los Angeles Horse Flats Road, off Angeles Crest Hwy, Angeles National Forest. Comment
  SEINET10828409  Secale cereale C. W. Hollis 1926-7-1 Hollis s.n. Los Angeles Lake Mildred, Jasper Park, Bc. Comment
  PASA2576  Sedum oblongorhizum Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  SBBG20515  Selaginella bigelovii E. R. Blakley 1963-12-7 6321 Los Angeles W of Pyramid Head, S of Lighthouse 38 Comment
  CAS-BOT-BC62036  Selaginella bigelovii L. R. A. 1898-12-1 219 Los Angeles Eaton Canyon Comment
  LA209930  Senecio breweri Arthur C. Gibson; 2005-5-5 5069 Los Angeles Comment
  CAS-BOT-BC363450  Senecio californicus Le Roy Abrams 1899-4-1 358 Los Angeles Ballona Harbor Comment
  UCR127396  Senecio flaccidus var. douglasii A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25532 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, "Long Canyon,' north of Potrero Canyon 366 Comment
  UC2026930  Senecio flaccidus var. monoensis David Keil 1986-9-27 19740 -2 Los Angeles NW Los Angels County. Along I-5, just S of Hungry Valley Rd. exit. Roadside pullout Comment
  UCR209513  Senecio vulgaris Dan S. Cooper 2009-4-14 409- 35 Los Angeles Eastern Santa Monica Mtns., above Travel Town, Griffith Park 183 Comment
  RSA547441  Senecio vulgaris Timothy S. Ross 1992-5-17 6372 Los Angeles San Gabriel Mts.: lower Shoemaker Canyon, draining to the E fork of the San Gabriel River and joining it at 2125 feet elevation 723 Comment
  RSA658983  Sequoia sempervirens Paul M. Inman 1983-5-8 50883 -12 Los Angeles Big Santa Anita Canyon in the Angeles National forest, San Gabriel mountains, about 1 miles north of Arcadia, Ca. ca. 100 yards below the weir at Hoegee's Camp. Comment
  SBBG133139  Sesuvium verrucosum S. A. Junak 1996-4-12 SCI- 295 Los Angeles E side of Skink Alley Rd, in swale N of Pk 59, with building 60166, 1 mi NE of San Clemente Ridge Rd 140 Comment
  UCR96177  Sherardia arvensis B. G. Pitzer 1996-4-28 2731 Los Angeles South Coast, City of Long Beach, Bixby Park, on Junipero Avenue, 1 block east of the beach 15 Comment
  SBBG119616  Sidotheca caryophylloides L. C. Wheeler 1967-9-3 10621 Los Angeles ca. 0.2 mi NE Twin B.M., summit Mt Waterman; T3N R10W S21 2363 Comment
  RSA782018  Sidotheca trilobata Elizabeth A. Kempton, Steve Boyd, Valentin Arvizu 2006-6-17 400 Los Angeles Liebre Mountains. Road 7N23 1484 Comment
  CAS-BOT-BC384481  Silene antirrhina Peter H. Raven 1962-3-27 16999 Los Angeles Palos Verdes Hills along Palos Verdes Drive 1.4 miles east of Portugese Bend Comment
  SBBG98480  Silene antirrhina T. Ross 1991-5-21 5381 Los Angeles San Clemente Island Comment
  UCR131388  Silene gallica Alison Lipman 1998-5-4 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
  SD39408  Silene laciniata Edith A. Purer 1931-3-5 Los Angeles Griffith Park. Comment
  LA200355  Silene laciniata subsp. laciniata Jonathan Sauer; D. Birindelli, L. Birindelli 1969-6-21 4590 Los Angeles Comment
  LA94381  Silene laciniata subsp. laciniata M. Epling; Carl Epling 1925-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA329663  Silene laciniata subsp. major Gary D. Wallace 1965-3-25 216 Los Angeles San Gabriel Mountains, Millard Canyon, north of Pasadena 915 Comment
  UCD99106  Silene verecunda Joseph A. Ewan 1933-7-15 7792 Los Angeles above San Emigdis Camp, Mt. Pinos. 2133 Comment
  RSA529179  Silene verecunda subsp. platyota Timothy S. Ross, Steve Boyd 1991-7-24 5618 Los Angeles Granite Mountain vicinity: ridge NNE of Granite Mountain. 1875 Comment
  POM214317  Sinapis arvensis L. C. Wheeler 1934-3-23 2462 Los Angeles San Dimas Canyon 426 Comment
  RSA724766  Sisymbrium altissimum K. Dobry 1991-4-22 d- 392 Los Angeles West San Gabriel Mts. at Elsmere Cyn Comment
  RSA431704  Sisymbrium altissimum Freda Detmers 1931-5-17 s.n. Los Angeles Big Rock Canyon Comment
  RSA660168  Sisymbrium altissimum Orlando Mistretta 1992-5-25 438 Los Angeles Transverse Ranges; San Gabriel Mountains region: Fenner Canyon Conservation Camp, Between camp boundary and water tower. Comment
  SBBG47271  Sisymbrium irio M. R. Benedict 1971-6-26 Los Angeles around buildings, Navy headquarters, Wilson Cove Comment
  SD143969  Sisymbrium irio Scott D. White 1997-3-12 4757 Los Angeles Zuma Beach area: mouth of Zuma Creek, E end of the County Beach 10 Comment
  RSA653684  Sisymbrium officinale Valerie L. Soza, LeRoy Gross, Adelina Munoz 2000-5-12 872 Los Angeles Verdugo Mountains, northeast side: Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. 365 Comment
  UCR205571  Sisymbrium officinale R. G. Swinney 2008-5-30 8876 Los Angeles San Gabriel Mtns., San Gabriel Canyon along old road/trail at El Encanto [El Encanto Azusa River Wilderness Park, 0.2 mi. upstream from park admin. buliding -- R.G.S., 2010] 256 Comment
  RSA65824  Sisymbrium officinale F. W. Peirson 1920-4-25 2109 Los Angeles Arroyo Seco, west of Pasadena 411 Comment
  RSA431759  Sisymbrium orientale Wm. Martin 1972-5-12 s.n. Los Angeles Gold Creek, Little Tujunga. Comment
  LA23982  Sisyrinchium bellum A. M. Johnson; 1932-5-30 4089 Los Angeles SANTA MONICA MOUNTAINS, Brent's Mountain, Crag's Camp. Comment
  SD38484  Sisyrinchium bellum Edith A. Purer 1931-3-11 1545 Los Angeles Near Pasadena, moist slope. Comment
  RSA366943  Sisyrinchium bellum Ruth E. Hammond 1929-04 s.n. Los Angeles Glendale. Comment
  RSA427317  Solanum americanum F. R. Fosberg 1930-7-3 S- 3086 Los Angeles Lexington Wash, San Gabriel River. El Monte. 80 Comment
  RSA756987  Solanum americanum A. C. Sanders 2009-11-6 37209 Los Angeles Madrona Marsh, Torrance 24 Comment
  UCR200307  Solanum americanum Steve Boyd, Mark A. Elvin, Rick Burgess, Lloyd Simpson 2006-11-8 11702 Los Angeles Transverse Ranges; Liebre Mountains, southwestern shore of Quail Lake, extreme western end of Mojave Desert at north base of Liebre Mountains 1024 Comment
  RSA422382  Solanum douglasii M. B. Dunkle 1949-4-3 s.n. Los Angeles San Clemente Island. Chenetti Canyon. Comment
  CAS-BOT-BC83634  Solanum umbelliferum C. Epling; L. Wheeler 1933-6-4 1850 Los Angeles Near Summit, Ridge Route. 1524 Comment
  POM293656  Solanum umbelliferum Lyman D. Benson 1945-6-5 11759 Los Angeles Cold Spring, 2.5 miles southwest of Camp Baldy on the Glendora Road. San Gabriel Mountains. Pacific Slope Drainage 1372 Comment
  RSA427395  Solanum umbelliferum Martha Hilend 1928-3-4 58 Los Angeles Santa Monica Mtns: N of Pacific Palisades. Comment
  RSA578801  Solanum umbelliferum Tim S. Ross, Steve D. Boyd, Steve Burns 1994-7-6 8129 Los Angeles Tributary of Clearwater Canyon: fork area of major blueline tributary which drains southward form Tule Ridge and joins Clearwater Canyon at Plum Spring. (section not demarcated on my map). 814 Comment
  RSA587604  Solanum umbelliferum Orlando Mistretta 1994-4-29 1145 Los Angeles Santiago Canyon. Near confluence with Little Rock Creek. 1067 Comment
  UC884942  Solanum umbelliferum I. W. Clokey, B. C. Templeton 1930-4-8 4643 Los Angeles San Francisquito Canyon, nw L.A. County San Francisquito Canyon Comment
  CAS-BOT-BC237743  Solanum wallacei George B. Grant; Walter Wheeler 1904-4-21 6141 Los Angeles Avalon, Santa Catalina Island Comment
  CAS-BOT-BC237748  Solanum wallacei Dr. Barton W. Evermann 1918-3-29 s.n. Los Angeles Santa Catalina Island Comment
  RSA427375  Solanum wallacei Reid Moran 1941-3-8 687 Los Angeles White's Landing, Santa Catalina Island. 50 Comment
  SBBG70638  Solanum xanti M. N. Ackley 1927-6-5 977 Los Angeles old trail to Switzerland 457 Comment
  UCR200116  Solanum xanti Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 765 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
  CLARK-A1528-4378  Solanum xanti var. montanum John C. Roos 1937-5-31 755 Los Angeles San Gabriel Mountains Comment
  UCR124469  Solanum xanti var. montanum B. C. Templeton 1932-5-31 4859 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  POM308916  Solidago californica Anonymous 720 Los Angeles West branch of San Dimas Canyon, road from Tanbark to Ranger Station, 1000 feet from junction with Dalton Road. 793 Comment
  CAS-BOT-BC365310  Solidago confinis Grant 1902-9-2 5063 Los Angeles Pasadena - Oak Knoll Comment
  SFV4113  Solidago confinis M. L. Vincent 1962-10-4 295 Los Angeles San Gabriel Mountains Valyermo Road 0.25 miles west of Valyermo. 1110 Comment
  CAS-BOT-BC365032  Solidago velutina subsp. californica G. B. Grant 1897-10-29 s.n. Los Angeles Pasadena Comment
  LA206358  Sollya heterophylla J. Sauer; H. Sauer, J. Zadny, M. Zadny 1970-6-15 4829 Los Angeles Santa Monica Mountains, upper Rustic Canyon Comment
  RSA474078  Sonchus asper F. R. Fosberg 1931-3-24 S- 4340 Los Angeles Hamilton Canyon, near Avalon. Santa Catalina Island. 35 Comment
  RSA647870  Sonchus oleraceus LeRoy Gross, Laura Moore, Debby Zygielbaum, Ron Burchet 2000-6-8 236 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 548 Comment
  RSA533901  Sonchus oleraceus Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5151 Los Angeles San Clemente Island, at the beginning of Larkspur Canyon drainage. 1600 ft. SE of the 924'BM at the E end of old airfield landing strip. 250 Comment
  POM349193  Spartium junceum E. S. Spalding 1923-5-23 s.n. Los Angeles Santa Monica Mountains, Laurel Canyon. Comment
  RSA533474  Spartium junceum Tim S. Ross 1991-4-21 4567 Los Angeles Whittier Hills (Puente Hills, pro parte): Middle Turnbull Canyon drainage, vicinity of old water tank. 220 Comment
  RSA656257  Spartium junceum Jan Roach 1975-11-28 3 Los Angeles Verdugo Mountains: Leeward side of hill, 1 mile north of Brand Park, Verdugo Hills, Glendale. 567 Comment
  RSA477982  Spergula arvensis Stone 1936-3-16 117 Los Angeles Topanga, Santa Monica Mountains Comment
  UCR275344  Spergula arvensis Jeremiah George, Audrey J. George 2012-4-15 s.n. Los Angeles South Coast, Torrance, behind (east of) Bishop Montgomery High School, south of Torrance Blvd. and west of Palos Verdes Blvd. 21 Comment
  CATA1380  Spergularia bocconi Mark L. Hoefs, Robert F. Thorne, Janet Takara, Misty Gay 1995-7-27 2502 Los Angeles Santa Catalina Island: Lower Bulrush Reservoir 289 Comment
  UCD170124  Spergularia bocconi R. G. Swinney 2009-3-12 10102 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 0.7 mi. north of Sierra Madre Ave. on north side of Hwy 39. 226 Comment
  UCR216860  Spergularia bocconi R. G. Swinney 2009-3-12 10102 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 0.7 mi. north of Sierra Madre Ave. on north side of Hwy 39 226 Comment
  POM158304  Spergularia macrotheca M. B. Dunkle 1928-4-29 1910 Los Angeles Santa Catalina Island. Near beach Little Harbor 3 Comment
  SBBG43858  Spergularia macrotheca var. macrotheca M. R. Benedict 1971-6-26 Los Angeles 0.5 mi S of Wilson Cove Comment
  CAS-BOT-BC390802  Spergularia marina Le Roy Abrams 1899-5-1 227 Los Angeles Ballona Harbor Comment
  CAS-BOT-BC390805  Spergularia marina Geo. B. Grant 1901-4-14 s.n. Los Angeles Redondo Comment
  RSA0089478  Spergularia villosa Steven A. Junak, Keri Kirkland 1998-4-30 SCa- 586 Los Angeles Santa Catalina Island. On ridge along N side of upper Hamilton Canyon. 341 Comment
  RSA446580  Stachys ajugoides F. R. Fosberg 1930-6-23 S- 2954 Los Angeles Del Rey. 1 Comment
  IRVC27018  Stachys albens Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-13 2989 Los Angeles S side of the Santa Clara River, ca 200 m upstream from the mouth of Potrero Creek Santa Clarita Valley 274 Comment
  LA30871  Stachys albens Peter H. Raven; Jane Turner, Barbara Whitesel 1959-3-15 C 152 Los Angeles 9 Comment
  RSA729768  Stachys albens R. G. Swinney 1998-8-6 6701 Los Angeles Alder Gulch, a western tributary of upper East Fork San Gabriel River. 1159 Comment
  UCR104134  Stachys albens Scott D. White 1997-5-21 5202 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
  RSA608527  Stachys bullata Louis C. Wheeler 1930-4-26 27 Los Angeles Santa Monica Mountains: Mandeville Canyon. Comment
  SEINET8037320  Stachys bullata E. D. Palmer 1903-5-29 s.n. Los Angeles Garvanza. Comment
  RSA755936  Stellaria nitens Orlando Mistretta, Christine Mistretta 2008-4-9 2402 Los Angeles Ritter Ridge, SW of Lancaster. Along SCE Edison transmission lines, 0.5 mi. NW of intersection of transmission lines with Elizabeth Lake Rd. 953 Comment
  CAS-BOT-BC375477  Stephanomeria exigua subsp. exigua Marcus E. Jones 1900-7-12 6423 Los Angeles Long Beach Comment
  RSA529199  Stephanomeria exigua subsp. exigua Timothy S. Ross, S. D. Boyd 1991-7-24 5644 Los Angeles San Gabriel Mountains, Granite Mountain: NNE slope 1902 Comment
  LA211115  Stillingia linearifolia Tony Valois; 2009-5-1 0 s.n. Los Angeles SIMI HILLS, SMMRA Cheeseboro-Palo Comado. Comment
  RSA668082  Stillingia linearifolia Michael C. Long, Ian Swift 2001-9-16 MCL- 775 Los Angeles Antelope Valley, south end of Alpine Butte Wildlife Sanctuary, dry wash 0.25 mi W of Longview Rd. (dirt). 814 Comment
  CATA694  Stipa lepida Mark L. Hoefs 1991-4-26 1187 Los Angeles Santa Catalina Island: Bluff southeast of Pebbly Beach, between Edison power plant and City dump 88 Comment
  RSA0119760  Stipa lepida R. G. Swinney 2014-5-19 16581 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
  UCR209895  Stipa occidentalis R. G. Swinney 2008-7-24 9282 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  UCR211815  Stipa pulchra Valerie Soza, LeRoy Gross 2001-5-22 1237 Los Angeles Transverse Ranges; San Gabriel Mountains, Morgan Fire 2000 area, between Morgan and Sycamore Canyons, WSW of Sycamore Flat 655 Comment
  UCR62861  Stipa speciosa B. Lennart Johnson 1957-5-4 s.n. Los Angeles Mojave Desert, c. 23 mi north of Palmdale Comment
  UCSB2474  Streptanthella longirostris Wedberg, H. 1958-4-13 Los Angeles Eight miles north of Pearblossom Comment
  RSA254328