Search Results — 2000 specimen records retrieved (1563 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/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
  CATA1158  Abronia maritima Mark L. Hoefs 1995-5-30 2151 Los Angeles Santa Catalina Island: Ben Weston Beach 4 Comment
Read comments
Apr 3 2015
  SBBG12634  Abronia maritima E. R. Blakley 1962-6-10 5258 Los Angeles large beach dunes near Wall 2 15 Comment
  UC57520  Abronia maritima J. H. Barber 1897-1-23 25 Los Angeles Santa Monica Forestry Station Comment
  CAS-BOT-BC383913  Abronia pogonantha Roxana S. Ferris 1918-6-12 930 Los Angeles Lancaster Comment
  JEPS61208  Abronia pogonantha Frank W. Peirson 1921-5-19 2414 Los Angeles San Gabriel Mountains, Little Rock Creek 1036 Comment
  SBBG16442  Abronia pogonantha D. Myrick 1962-4-13 545 Los Angeles Hwy 138 ca. 25 mi W of Victorville 853 Comment
  RSA0025875  Abronia umbellata Robert F. Thorne 1970-3-6 39383 Los Angeles Santa Catalina Island: Ben Weston Beach (Mills Landing). 2 Comment
  UCR68939  Abronia umbellata Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4251 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  SBBG80281  Abronia umbellata F. C. Boutin 1967-4-23 Los Angeles coast N of Wilson Cove 493 Comment
  LA32315  Abronia umbellata subsp. umbellata M. Zaitlin; 1951-4-8 sn Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  UCR275299  Acacia cultriformis Dan S. Cooper 2010-1 s.n. Los Angeles Western Tarnsverse Range; eastern Santa Monica Mtns., Griffith Park, near pecan grove Comment
  RSA659155  Acacia longifolia Scarlett Mellin 1994-5-28 27 Los Angeles Diamond Bar Hills; Sycamore Canyon Park, N. of Grand Ave. on Golden Springs Drive. Comment
  RSA732844  Acamptopappus sphaerocephalus R. G. Swinney 2001-5-17 7947 Los Angeles Valyermo area, south end of Bobs Gap, west-facing slope at junction of Panorama and Bobs Gap roads. 1244 Comment
  CAS-BOT-BC412581  Acanthoscyphus parishii var. parishii James L. Reveal; C. Rose Broome 1987-6-25 6576 Los Angeles San Gabriel Mountains, along the Angeles Crest Highway (California Highway 2) at milepost 66.8, 3.1 miles east of the junction of California Highway 39 and 3 miles southwest of Dawson Saddle 2346 Comment
  CAS-BOT-BC412582  Acanthoscyphus parishii var. parishii James L. Reveal; Barbara J. Ertter 1976-6-29 4561 Los Angeles San Gabriel Mountains, along the Pacific Mountain Road, 1.3 mile west of Alder Saddle, 1.7 mile east of the turnoff to Pacifico Mountain 1813 Comment
  SEINET4175494  Acanthoscyphus parishii var. parishii J. L. Reveal, B. J. Ertter 1976-6-29 4561 Los Angeles San Gabriel Mountains, along the Pacific Mountain Road, 1.3 mile west of Alder Saddle, 1.7 mi east of the turnoff to Pacifico Mountain 1814 Comment
  SEINET6631343 Image available Acanthus mollis Christy Neushul 1959-1 35 Los Angeles Johns Canyon Road Comment
  CAS-BOT-BC331562  Acer macrophyllum J. H. Thomas 1957-5-11 6755 Los Angeles San Gabriel Mountains about 3 miles N of La Canada near Angeles Crest Hwy. 762 Comment
  RSA394174  Acer macrophyllum L. E. Hoffman 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles National Forest. Comment
Read comments
Nov 14 2011
  RSA584909  Achnatherum coronatum Timothy S. Ross 1992-5-8 6296 Los Angeles San Antonio Canyon just SW of Mt. Baldy Village along Glendora Ridge Road. 1320 Comment
  RSA596315  Achnatherum coronatum Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3373 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
  RSA660432  Achnatherum coronatum Orlando Mistretta 1992-6-26 619 Los Angeles Glendora Saddle to Lookout Mountain. On W side of ridge. 1800 Comment
  UCD50274  Achnatherum coronatum Joseph Andorfer Ewan 1932-7-4 7591 Los Angeles Upper Millards Canyon. San Gabriel Mts. Los Angeles County. Upper Sonoran Zone. 1188 Comment
  RSA91820  Achnatherum occidentale subsp. occidentale F. W. Peirson 1922-7-6 3154 Los Angeles ridge W of Pacifico Mtn. between Tie Canyon and Santiago Canyon drainages 2560 Comment
  SBBG57068  Achnatherum speciosum R. Hoffmann 1929-4-28 Los Angeles Harold Comment
  CAS-BOT-BC29822  Achyrachaena mollis Marcus E. Jones 1882-5-1 3213 Los Angeles Los Angeles Comment
  UCR153318  Achyrachaena mollis A. C. Sanders, T. B. Salvato 2005-4-26 29740 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, bowl between ridges at NE end of Cruzan Mesa, just south of Vasquez Canyon Road 595 Comment
  CATA238  Acmispon argophyllus var. argenteus Mark L. Hoefs, A. Douglas Propst 1973-5-4 234 Los Angeles Santa Catalina Island: Lower Middle Canyon 144 Comment
  JEPS64872  Acmispon argophyllus var. argenteus W. L. Jepson 1908-7-12 3066 Los Angeles Catalina Island, near Avalon. Comment
  SBBG98066  Acmispon argophyllus var. argenteus T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5150 Los Angeles beginning of Larkspur Cyn drainage, 1600 ft SE of Benchmark 924 at E end of the old airfield landing strip 249 Comment
  SD90626  Acmispon argophyllus var. argenteus Robert F. Thorne 1966-4-15 36016 Los Angeles San Clemente Island, at top edge of sea bluff ca. 0.5 miles SSE of Eel Point, SW side of the island 29 Comment
  SD92029  Acmispon argophyllus var. argenteus Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-22 22676 Los Angeles San Clamente Island: East slope, Wilson's Cove. 49 Comment
  SD79056  Acmispon dendroideus var. traskiae R. Mitchel Beauchamp 1967-1-27 120 Los Angeles San Clemente Island: on slope south of Wilson Cove Comment
  CATA3081  Acmispon maritimus Amy Catalano 2016-4-15 073 Los Angeles Santa Catalina Island: South facing slope of Renton Pass Canyon, 1/4 up slope, 150 meters west of junction with Grand Canyon 355 Comment
  UCR282230  Acmispon strigosus Dan S. Cooper 2016-4-15 416- 30 Los Angeles Torrance, west of Crenshaw Blvd., south of 208th St., east of railroad 21 Comment
  UCSB45406  Acmispon strigosus Osburn, Rob 1979-3-29 Los Angeles San Gabriel Mtns., on Agua Dulce Canyon Rd., off of Antelope Valley Freeway 609 Comment
  SBBG128327  Acourtia microcephala M. Zou, A. Cheung, S. Lawrence-Gomez, D. Kasang, S. Ratay 2011-7-8 27 Los Angeles Deer Valley Trail 62 Comment
  RSA0084868  Adenostoma fasciculatum R. G. Swinney 2010-8-9 13471 Los Angeles Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport. 1037 Comment
  RSA11728  Adenostoma fasciculatum Fay A. MacFadden 1929-6-4 1073 Los Angeles Verdugo Mountains: Tuna Canyon. Comment
  SD53076  Adenostoma fasciculatum Peter H. Raven 1962-5-22 17839 Los Angeles Santa Catalina Island, hillsides, Middle Ranch 213 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
  UCR160023  Adenostoma fasciculatum Steve Boyd, Amber Maurice 2004-5-18 11334 Los Angeles Transverse Ranges; Liebre Mountains region, Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain 610 Comment
  UCR177135  Adenostoma fasciculatum Joseph M. Keefe 2001-1-19 30947 Los Angeles Transverse Ranges; Verdugo Mts region; San Rafael Hills, south by southeast face of The Eagle Rock, Eagle Rock District, Los Angeles 305 Comment
  RSA390482  Adenostoma fasciculatum var. fasciculatum Frances Runyan 1971-7-20 s.n. Los Angeles Near Davenport Road, Agua Dulce. Comment
  RSA407710  Adenostoma fasciculatum var. fasciculatum O. R. Dorado R., Aaron Liston, K. Tan 1987-6-10 1700 Los Angeles San Gabriel Mtns. Near Rincon Ranger Station. 762 Comment
  LA82109  Adenostoma sparsifolium O. H. Kappler; 1940-7-21 69 Los Angeles 548 Comment
  CAS-BOT-BC65560  Adiantum capillus-veneris Peter H. Raven 1957-9-21 11364 Los Angeles Topanga Canyon 2.3 miles above U.S. 101 alternate, Santa Monica Mts. Comment
  CAS-BOT-BC65573  Adiantum capillus-veneris L. L. K. 1963-6-9 541 Los Angeles Santa Monica Mtns., south slope, Lachusa Cyn. (near Ventura Co. line), ca. 2 miles from mouth 152 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
  LA3993  Adiantum jordanii Carl Epling; Lincoln Ellison 1929-3-30 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA687719  Adiantum jordanii B. C. Templeton, I. W. Clokey 1929-05 4538 Los Angeles Mandeville Canyon 350 Comment
  POM18213  Adiantum jordanii P. A. Munz 1923-4-10 6714 Los Angeles San Clemente Island: canyon-wall, south of eLemon Tank'; east coast Comment
  RSA765312  Ageratina adenophora Doris Bowers 1957-3-24 936 Los Angeles Millard's Canyon N/o Altadena 1220 Comment
  RSA134828  Ageratina adenophora P. H. Raven, H. J. Thompson 1960-4-13 15081 Los Angeles Griffiths Park. 229 Comment
  RSA0086462  Agoseris Mitch Provance, Callen Huff 2009-4-28 10666 Los Angeles Tehachapi Mountains: Road on ridge overlooking Hwy I-5 about 0.6 miles NE of Gorman. 1439 Comment
  CHSC95868  Agoseris retrorsa LeRoy Gross; Michael Denslow 2003-6-4 977 Los Angeles Transverse Ranges; San Gabriel Mountains region: Trail from Islip Saddle to Mt. Williamson. UTM Zone: 3802522N 0431429E. 2195 Comment
  RSA748578  Agoseris retrorsa Scott D. White, Justin M. Wood 2009-5-6 12635 Los Angeles San Gabriel Mountains: San Gabriel River- West fork between Bear Creek and Cogswell Dam. 549 Comment
  RSA95123  Agoseris retrorsa F. W. Peirson 1918-6-10 252 Los Angeles west slope of San Gabriel Peak 1768 Comment
  RSA384956  Agrostis exarata F. R. Fosberg 1931-4-29 S- 4729 Los Angeles Between Cottonwood and Middle Ranch Canyons. Santa Catalina Island 80 Comment
  UCR271302  Agrostis exarata R. G. Swinney 2011-10-10 15724 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  RSA678896  Agrostis pallens Mark Elvin, Dylan Hannon, Gery Allan, Curtis Clark, Steve Burckhalter 1996-4-20 162 Los Angeles Channel Islands; San Clemente Island. 305 Comment
  SD133107  Albizia distachya Steve Morgan 1991-3-3 Los Angeles San Dimas, SW corner of San Dimas Ave & Arrow Hwy. Comment
  POM2673  Alchemilla occidentalis Philip A. Munz 1918-4-5 2223 Los Angeles Laguna Beach. Comment
  RSA353526  Alisma triviale Anstruther Davidson 1913-08 2915 Los Angeles Dominguez Ranch. Comment
Read comments
Nov 12 2009
  SEINET10471914  Allium David B. Dunn 1946-1 Dunn 2000 Los Angeles Collected in the yard at 316 N. Ave. 50. Comment
  IRVC24720  Allium campanulatum Gordon A. Marsh 1988-4-7 s.n. Los Angeles Palmdale; Anaverde Basin; S of Rayburn Road; between Tierra SubidaDrive and the Antelope Valley Fwy. Mojave Desert 854 Comment
  UCR117223  Allium fimbriatum B. G. Pitzer 1998-5-12 3693 Los Angeles Western Mojave Desert, c. 18 air mi. NW of Adelanto & 12.8 mi (airline) west of the San Bernardino Co. line, 240th Street East, c. 3.1 road mi. north of junction with El Mirage Rd. (= Ave. 'P'), 0.25 mi. east of 240th St., and c. 3.4 mi. south of Ave. 'J 866 Comment
  RSA239426  Allium fimbriatum var. fimbriatum C. W. Tilforth, John Dourley 1973-5-24 809 Los Angeles 2.3 mi. NW of Mile High, above Shoemaker Canyon, north edge of San Gabriel Mountains. Comment
  RSA367101  Allium haematochiton E. Crow 1928-4-11 240 Los Angeles Hills southwest of Pomona. Comment
  SEINET6051196  Allium lacunosum Unknown 1973-4-21 Los Angeles San Gabriel Mountains. Foothills. 2 miles northeast of Vincent. Comment
  UCR120887  Allium monticola L. C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mtns., north side of Burkhart Saddle 2104 Comment
  POM74590  Allophyllum divaricatum Marcus E. Jones 1902-6-28 s.n. Los Angeles Pasadena Comment
  UCR276744  Allophyllum divaricatum R. G. Swinney 2010-8-11 13498 Los Angeles San Gabriel Mountains, San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road 595 Comment
  RSA28263  Allophyllum divaricatum Verne Grant, Alva Grant 1955-05 9400 Los Angeles [Seed parents in a natural population in Cow Canyon, San Gabriel Mts.] Comment
  UCD118000  Allophyllum glutinosum Daryl Koutnik 1978-6-25 562 Los Angeles 1 mile south of Seminole Hot Springs on Mulhollad Highway. 335 Comment
  RSA410065  Allophyllum glutinosum Geo L. Moxley 1915-5-31 337 Los Angeles Santa Anita Canyon, San Gabriel Mountains. Comment
  JEPS58604  Alnus rhombifolia C. E. Hutchinson 1892-8-10 Los Angeles in small canyon near Altadena 243 Comment
  LA94289  Alnus rhombifolia Anonymous; 1926-3-14 sn Los Angeles Santa Monica Mountains, Topango Canyon Comment
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Apr 17 2014
  RSA0092469  Alnus rhombifolia R. G. Swinney 2011-10-27 15911 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream. 649 Comment
  RSA729838  Alnus rhombifolia R. G. Swinney 1999-6-21 7357 Los Angeles spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  RSA755824  Alnus rhombifolia R. G. Swinney 2008-7-2 9110 Los Angeles Reed Spring. South Fork Big Rock Creek, 1.0 mi. north of junction of Hwy 2 & Old Hwy 39 1878 Comment
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Sep 21 2010
  UCD97063  Alternanthera philoxeroides T. C. Fuller 1965-9-23 14171 Los Angeles 0.2 mi. n. of flood gates of Whittier Narrows Dam, w. of Rosemead Blvd., s. of San Gabriel Blvd., e. bank of the Rio Hondo, just e. of Montebello. Comment
  UCR259592  Amaranthus albus R. G. Swinney 2010-9-7 13678 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  RSA5973  Amaranthus albus C. B. Wolf 1932-9-13 4046 Los Angeles Bryant Ranch, 250 ft. S of N boundary & 100 ft. E of drainage ditch in SE 1/4 sect. 27 about 560 ft. east and 250 ft. S of NW corner of SE 1/4 sect. 27. 5 Comment
  RSA128250  Amaranthus powellii P. H. Raven 1959-10-25 14707 Los Angeles Santa Monica Mountains, Morning View Drive 61 Comment
  RSA402989  Amaranthus powellii E. S. Spalding 1922-11-26 s.n. Los Angeles Near Glendale. Comment
  SBBG35160  Amblyopappus pusillus S. A. Junak 1998-6-13 SCa 740 Los Angeles just W of beach at Little Harbor Comment
  JEPS19922  Ambrosia chamissonis Samuel B. Parish 1891-1 Los Angeles Long Beach Comment
  RSA188001  Ambrosia chamissonis var. chamissonis R. F. Thorne, Percy C. Everett 1965-6-23 34950 Los Angeles Santa Catalina Island. Ben Weston Beach, west side of island. Comment
  POM4808  Ambrosia confertiflora I. M. Johnston 1920-1-1 s.n. Los Angeles Arcadia, along Huntington Drive. 152 Comment
  JEPS30708  Ambrosia confertiflora Peter H. Raven 1961-10-13 16844 Los Angeles along, (Arcadia) US Hwy 66; Arcadia 198 Comment
  SBBG20504  Amsinckia intermedia E. R. Blakley 1963-12-7 6323 Los Angeles W of Pyramid Head, S of lighthouse 38 Comment
  RSA213400  Amsinckia intermedia Reid V. Moran 1941-2-16 569 Los Angeles San Clemente Island. East side of Ravine, Middle Ranch. 500 Comment
  IRVC26441  Amsinckia menziesii var. intermedia A. C. Sanders, Mark Elvin, et al. 2003-3-4 25700 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
  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
  CHSC8309  Amsinckia tessellata Edward L. Smith 1958-2-18 315 Los Angeles Located in Cobal Canyon. San Gabriel Mt. Range. 60 Comment
  RSA517998  Amsinckia tessellata Steve Boyd, Orlando Mistretta 1986-3-31 1523 Los Angeles Mojave Desert: Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  UCR191998  Amsinckia vernicosa var. vernicosa A. C. Sanders 2008-4-17 34948 Los Angeles Transverse Range, foot of hill c. 1 mile SW of Neenach School, c. 1.5 mi. west of mouth of Pine Canyon 945 Comment
  RSA465130  Anagallis arvensis C. B. Liter, Powell 1928-4-2 s.n. Los Angeles Catalina Island, about 1 mile directly inland from St. Catherines. Comment
  CHSC99440  Andropogon glomeratus var. scabriglumis LeRoy Gross 2000-8-25 264 Los Angeles Big Tujunga Wash/Verdugo Mountains: Orcas Park, entered from Foothill Blvd. onto Orcas Ave. Walking east of park along sandy road toward stream, growing along road. 324 Comment
  UC2026509  Andropogon glomeratus var. scabriglumis Louis C. Wheeler 1972-4-9 s. n. Los Angeles SAN GABRIEL MOUNTAINS: Arroyo Seco, Angeles Crest High way ca. 1/4 miles ESE Colby Canyon. Comment
  CAS-BOT-BC46941  Androsace elongata subsp. acuta Philip A. Munz 1937-3-26 14937 Los Angeles Puddingstone Canyon, San Dimas. 304 Comment
  SFV16034  Anemopsis californica A. M. Orcino, A. Sutton 1994-5-21 37 Los Angeles San Fernando Valley Van Nuys. Sepulveda Wildlife Reserve, Sepulveda Basin. Next to pond. 215 Comment
  CAS-BOT-BC400315  Anemopsis californica Volney Rattan 1887-6-1 s.n. Los Angeles San Anthonia Comment
  CAS-BOT-BC400327  Anemopsis californica B. W. Evermann 1915-6-7 s.n. Los Angeles Rancho La Brea Comment
  UCR181356  Anisocoma acaulis R. G. Swinney 1997-6-13 5594 Los Angeles San Gabriel Mtns, ridge NE of Table Mountain (peak 7473 ft.), c. 0.4 mi. west of San Bernardino Co. line 2195 Comment
  RSA0020366  Antirrhinum coulterianum Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5071 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  UCR230272  Antirrhinum coulterianum Dan S. Cooper 2011-4-26 411- 7 Los Angeles Los Angeles Basin/San Gabriel Mtns. Foothills, Sunland, Big Tujunga Wash, between 210 Fwy and Foothill Blvd. 358 Comment
  SEINET3158873  Antirrhinum coulterianum D. M. Jackson, R. W. Spellenberg 1972-5-20 195 Los Angeles 6.8 mi N on Hwy 27 from intersection of Hwy 1, originally alternate 101 Comment
  RSA425826A  Antirrhinum kelloggii Blanche Trask 1897-05 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  JEPS5284  Antirrhinum multiflorum Frank W. Peirson 1918-6-30 190 Los Angeles Mt. Wilson Toll Road; San Gabriel Mountains 1143 Comment
  RSA0021282  Antirrhinum multiflorum Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5077 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  POM257566  Apiastrum angustifolium C. B. Wolf 1932-5-12 3585 Los Angeles Santa Catalina Island, 1.5 miles from Little Harbor , on road to Isthums 91 Comment
  UC450885  Apiastrum angustifolium Fay A. MacFadden 1931-3-25 22 E Los Angeles Verdugo Hills, Tuna Canyon Tuna Canyon; Verdugo Hills, Tuna Canyon 335 Comment
  UC22893  Apocynum cannabinum J. H. Barber 1897-6-30 222 Los Angeles Pierson's Mine Comment
  UCR223251  Aquilegia formosa R. G. Swinney 2009-7-22 11371 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UC1922367  Arabidopsis thaliana Valerie Soza, Bill Hogshead 2003-4-23 1640 Los Angeles Transverse Ranges; Verdugo Mountains region; Brand Park, Brand Canyon. 457 Comment
  HSC101891  Arabidopsis thaliana LeRoy Gross 2001-3-31 363 Los Angeles Los Angeles Basin, Verdugo Mountains Region: South side, at end of Olive Avenue in Burbank. 366 Comment
  UCR190816  Arabis R. G. Swinney 1999-7-5 7506 Los Angeles San Gabriel Mtns., head of Cedar Canyon, ridge c. 200 m north of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2 2323 Comment
  LA200295  Arabis glabra var. glabra Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  UCR138504  Arabis sparsiflora var. arcuata L. C. Wheeler 1970-6-28 s.n. Los Angeles San Gabriel Mtns., Little Fish Fork, Fish Fork Camp 2012 Comment
  RSA586537  Aralia californica T. S. Ross, Annette H. Ross 1991-11-22 6025 Los Angeles Fallen Leaf Spring: W of Sunset Peak, draining northward to Cow Canyon 1341 Comment
  SFV6766  Araujia sericifera M. Emeterio 1974-8-12 s. n. Los Angeles San Fernando Valley Northridge. CSUN campus. Weedy, northwest corner of the Physical Education Building. 79 Comment
  RSA635133  Arctostaphylos Jon E. Keeley, Allen Massihi 1992-8-20 20217 Los Angeles Mill Creek Summit, Angeles Forest Hwy. San Gabriel Mtns. 1470 Comment
  CAS-BOT-BC23855  Arctostaphylos catalinae Robert F. Thorne; P. C. Everett 1964-2-7 33491 Los Angeles Santa Catalina Island, ridge S of Bulrush Canyon. 396 Comment
  RSA188067  Arctostaphylos catalinae R. F. Thorne 1966-4-29 36318 Los Angeles Santa Catalina Island: below road to White's Landing above turn-off to Echo Lake. 411 Comment
  RSA233610  Arctostaphylos catalinae R. F. Thorne 1970-3-5 39356 Los Angeles Santa Catalina Island. Middle Ranch Canyon. 396 Comment
  SFV2639  Arctostaphylos glandulosa R. L. Armacost 1963-4-18 1580 Los Angeles Santa Monica Mountains Mandeville Canyon. Comment
  RSA626733  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley, Melanie Baer-Keeley 1992-10-15 22108 Los Angeles Glendora Ridge Rd., 7 km southwest of Baldy Rd., San Gabriel Mtns. 1410 Comment
  RSA626772  Arctostaphylos glandulosa subsp. mollis T. S. Ross, W. Appleby 1993-5-19 7169 Los Angeles Western San Gabriel Mtns: ca.80m S of Wilson Canyon Saddle along old loop road 951 Comment
  LA204831  Arctostaphylos glauca A. M. Johnson; 1927-10-21 2662 Los Angeles Palmdale? Comment
  RSA367377  Arctostaphylos glauca Fordyce Grinnell Jr. 1910-6-20 2821 Los Angeles Long Canyon 1067 Comment
  RSA631548  Arctostaphylos glauca Arthur R. Kruckeberg 1939-3-11 52 Los Angeles On slopes of Soledad Canyon near Saugus. Comment
  RSA631591  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15963 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA725213  Arctostaphylos glauca Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -34 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
  SEINET11998592  Arctostaphylos parryana W. Knight, Knight, I. 1988-1 6465 Los Angeles between Big Pines & Wrightwood 1951 Comment
  RSA634343  Arctostaphylos parryana subsp. parryana Jon E. Keeley 1992-10-15 22081 Los Angeles Entrance to Crystal Lake Recreation Area, San Gabriel Mountains. 1720 Comment
  RSA634744  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20612 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.3 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1705 Comment
  RSA634761  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22019 Los Angeles Dirt road between Chilao and Mill Creek Summit, 2.7 km E of turnoff to Pacifico Mtn., San Gabriel Mtns. 1825 Comment
  RSA634787  Arctostaphylos parryana subsp. tumescens Jon E. Keeley 1992-8-3 11156 Los Angeles Mill Creek Summit, Angeles Forest Hwy. San Gabriel Mtns. 1470 Comment
  RSA634933  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20254 Los Angeles Mill Creek Summit, Angeles Forest Hwy. San Gabriel Mtns. 1470 Comment
  RSA635076  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20295 Los Angeles Road to Mt. Gleason, 1 km west of Mill Creek Summit, San Gabriel Mtns. 1550 Comment
  RSA635172  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20579 Los Angeles Road to Suphur [Sulphur] Springs Cpgrd., across from Singing Pines Camp, 1.7 km N of Angeles Crest Hwy, N of Chilao. San Gabriel Mtns. 1640 Comment
  RSA635257  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20653 Los Angeles Angeles Crest Hwy., Eagle Roost Picnic Ground, 3.5 km west of old road to Crystal Lake. San Gabriel Mtns. 2030 Comment
  RSA635275  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20638 Los Angeles Angeles Crest Hwy., Cloudburst Summit, San Gabriel Mtns. 2100 Comment
  UCR223701  Arctostaphylos patula R. G. Swinney 2009-6-24 11247 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  UCR23172  Arctostaphylos patula Polly Schiffman 1981-5-23 027 Los Angeles San Gabriel Mtns., Angeles National Forest, Charlton Flat, 35 mi north of La Canada-Flintridge on Angeles Crest Hwy, next to water tank beside the hwy 1829 Comment
  UCR189994  Arenaria douglasii R. G. Swinney 1998-6-16 6977 Los Angeles San Gabriel Mtns., ridge c. 400 m SE of summit of Lookout (Antonio) Mtn. 1854 Comment
  CAS-BOT-BC174072  Arenaria paludicola Davidson; Greata 1900-8-26 s.n. Los Angeles Cienega Comment
  SBBG70088  Argemone munita R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk Comment
  RSA652544  Argemone munita T. C. Thomas 1974-7-5 s.n. Los Angeles Hwy 2. 1982 Comment
  SBBG108912  Aristida adscensionis S. A. Junak 1997-3-11 SCl 746 Los Angeles Sibara Ridge overlooking Pyramid Cove, ca. 0.3 mi S of Triangulation Pt Guds 152 Comment
  UCD56860  Aristida ternipes var. gentilis Louis C. Wheeler 1934-4-15 2525 Los Angeles Liveoak Canyon, San Gabriel Mts. 487 Comment
  RSA535752  Artemisia californica Timothy S. Ross 1991-5-23 5501 Los Angeles San Clemente Island. Lower Tota Canyon, middle of island, eastern escarpment. 88 Comment
  UC29661  Artemisia californica J. H. Barber 1897-9-19 284 Los Angeles Santa Monica Exp't Station Comment
  UC53903  Artemisia californica Ernest Braunton 1902-9-1 690 Los Angeles Ballona Slough Comment
  UCR210438  Artemisia californica R. G. Swinney 2008-11-30 9881 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  CAS-BOT-BC167092  Artemisia douglasiana A. C. Sanders; Mark A. Elvin 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
  CHSC95484  Artemisia douglasiana LeRoy Gross 2001-9-1 444 Los Angeles Los Angeles Basin: Verdugo Mountains; north side, Small side canyon off of La Tuna Canyon Road just west of locked gate of Hostetter Mountain Way. 488 Comment
  JEPS26138  Artemisia douglasiana Henry J. Thompson and Peter H. Raven 1958-10-11 13745 Los Angeles at Coast Highway Las Tunas Canyon; Santa Monica Mountains 152 Comment
  CHSC95514  Artemisia dracunculus LeRoy Gross; Valerie Soza 2003-5-15 914 Los Angeles Transverse Ranges; Verdugo Mountains region: Northwest side of mountains: North of La Tuna Canyon road, started at end of Elben Ave. Climbed north to ridgetop, south of McDonald Creek, then east along ridgeline, then we came back down into a small canyon at the end of Elben Place, just east of where we started. UTM Zone; 3789207N, 0377280E. 366 Comment
  UCR271176  Artemisia dracunculus R. G. Swinney 2011-7-8 15472 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), lowest of 3 natural depressions at the N base of Strawberry Peak 1256 Comment
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Jan 24 2017
  UCR273274  Artemisia dracunculus R. G. Swinney 2011-10-25 15868 Los Angeles San Gabriel Mountains, along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek 1001 Comment
  CAS-BOT-BC93873  Artemisia dracunculus Ernest C. Twisselmann 1955-8-10 2350 Los Angeles San Emigdio Range - Castaic Valley, .5 mile north of Holland Summit 1219 Comment
  RSA417314  Artemisia dracunculus F. R. Fosberg 1931-7-11 S- 5384 Los Angeles Cape Canyon, Santa Catalina Island. 230 Comment
  RSA587167  Artemisia ludoviciana subsp. incompta Orlando Mistretta 1995-10-2 1936 Los Angeles San Gabriel Mountains: Little Rock Creek. Upstream from Basin Campground 1037 Comment
  UCR279828  Artemisia spinescens Onkar Singh 2016-4-2 5694 Los Angeles Mojave Desert, Antelope Valley, 11 km NW of Lancaster, 200 m south of West Avenue F and 400 m west of 60th Street West 708 Comment
  UC1587610  Artemisia tridentata subsp. tridentata Tim Ross 1991-8-14 5781 Los Angeles summit Roundtop Mountain; San Gabriel Mountains, Chilao Flat Quadrangle, Roundtop Moun 1920 Comment
  SD51901  Arthrocnemum subterminale Peter H. Raven 1962-7-12 18039 Los Angeles San Clemente Island; above rocky beach just west of North Head. 6 Comment
  SD252311  Arthrocnemum subterminale Steven A. Junak 2000-7-21 Sca 1387 Los Angeles Santa Catalina Island: Just inland from mouth of creek at Shark Harbor, in canyon bottom. 2 Comment
  RSA729477  Asclepias californica R. G. Swinney 1999-6-21 7391 Los Angeles Boulder Canyon, upper end near Hwy 2. Canyon bottom in montane coniferous forest, with weak riparian development. 1805 Comment
  UCR26254  Asclepias californica John C. Roos 1937-5-31 742 Los Angeles southern Mojave Desert, near Littlerock Comment
  UCR258507  Asclepias eriocarpa R. G. Swinney 2010-9-13 13813 Los Angeles San Gabriel Mountains, Crystal Lake, c. 200 meters north of lake near parking area 1729 Comment
  LA105041  Asclepias fascicularis Barry A. Prigge; 1988-7-3 8168 Los Angeles SANTA MONICA MOUNTAINS, 0.2 mi E of jtn of Mulholland Hwy and Old Topanga Rd, across from Calabasas High School. 313 Comment
  RSA0127184  Asclepias fascicularis Louis C. Wheeler 1967-7-20 10132 Los Angeles Aliso Canyon. 1067 Comment
  UCR86541  Asphodelus fistulosus T. S. Ross, E. Kellogg 1992-4-13 6137 Los Angeles Channle Islands, San Clemente Island; north head of the island, off E end of the active runway. 43 Comment
  RSA686325  Aspidotis californica L. E. Hoffman 1931-5-18 s.n. Los Angeles Big Santa Anita Canyon. Comment
  RSA93793  Aster hesperius F. W. Peirson 1919-11-7 1279 Los Angeles Rio Hondo Comment
  UCR210510  Aster subulatus R. G. Swinney 2008-11-1 9755 Los Angeles San Gabriel Mtns., Big Dalton Canyon Debris Basin, Glendora 341 Comment
  POM158116  Aster subulatus var. ligulatus L. R. Abrams 1902-8-24 2970 Los Angeles Mesmer (now Fox Hills SSE of Culver City) Comment
  CAS-BOT-BC177525  Astragalus bicristatus I. M. Johnston 1918-7-6 2056 Los Angeles Prairie Fork of San Gabriel River 2133 Comment
  RSA680195  Astragalus bicristatus Valerie L. Soza, Naomi Fraga 2003-6-13 1670 Los Angeles Blue Ridge just west of Guffy Camp, on ridgetop and slopes above FS Road 3N06. 2530 Comment
  CAS-BOT-BC180495  Astragalus brauntonii Ernest Braunton 1907-1-1 s.n. Los Angeles Near Santa Monica Comment
  RSA415428  Astragalus coccineus G. R. Johnstone 1926-4-24 s.n Los Angeles Antelope Valley. Foothills East of Valley. Comment
  CATA3293  Astragalus didymocarpus var. didymocarpus Amy Catalano, Jen Dreizehn 2017-3-16 010 Los Angeles Santa Catalina Island: Top of knoll on west side of Airport Rd., 300 m by air southeast of KBRT building 415 Comment
  SBBG68221  Astragalus didymocarpus var. dispermus R. Hoffmann 1929-4-27 Los Angeles near Roosevelt Comment
  UCR180355  Astragalus douglasii Scott D. White, Pam Devries 2006-5-9 11406 Los Angeles SE Tehachapi Mtns, Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy and SW of Gorman Post Road 1098 Comment
  UCR50995  Astragalus douglasii A. C. Sanders, E. J. Lawlor 1988-4-3 7750 Los Angeles Tehachapi Mountains, southwest end of the Tehachapi Mtns, l mi northwest of Gorman on a gasline rd, 0.4 mi above old highway 1284 Comment
  RSA230657  Astragalus douglasii var. douglasii R. F. Thorne, M. Z. Thorne 1969-7-9 38479 Los Angeles Angeles National Forest: Table Mt. above Big Pines Ranger Station. 2119 Comment
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Oct 23 2007
  RSA729302  Astragalus douglasii var. douglasii R. G. Swinney 1998-7-2 6209 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  UC862692  Astragalus douglasii var. douglasii L. R. Abrams 1922-4-30 11726 Los Angeles head Antelope Valley Comment
  SEINET5325699  Astragalus gambelianus Unknown 1904-5-23 75 -a Los Angeles Saugus 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
  CAS-BOT-BC187095  Astragalus lentiginosus var. borreganus Le Roy Abrams; E. A. McGregor 516 Los Angeles Palmdale, Mohave [Mojave] Desert Comment
  JEPS108276  Astragalus lentiginosus var. variabilis David Gowen 2005-5-11 313 Los Angeles HWY 138 (West Ave. D) west of Lancaster. NE corner of intersection with 40th Street W. Comment
  RSA199012  Astragalus lentiginosus var. variabilis W. M. Gauntt 1966-3-26 110 -A Los Angeles Route 58, 20 miles E of Mojave. 1250 Comment
  RSA515092  Astragalus miguelensis Aaron Liston, Orlando Mistretta, Loren Rieseberg 1989-4-28 801 -2 Los Angeles San Clemente Island: main dunes area at Darter Road, NW part of the island Comment
  RSA0006818  Astragalus miguelensis F. W. Peirson 1923-4-8 3467 Los Angeles On south side of San Clemente Island. Comment
  UC1128875  Astragalus trichopodus P. L. Johannsen 1934-2-19 296 Los Angeles Boquet Canyon Santa Susana Quadrangle, Boquet Canyon Comment
  CAS-BOT-BC194075  Astragalus trichopodus var. lonchus Robert F. Thorne; C. W. Tilforth 1971-6-17 39970 Los Angeles 2 mi. up Lower Tujunga Rd. from Forestry Headquarters, Little Tujunga Creek, San Gabriel Mts., Angeles National Forest 457 Comment
  SBBG3260  Astragalus trichopodus var. lonchus H. and M. Dearing 1938-5-22 2594 Los Angeles coast near Santa Monica Comment
  UCR184210  Athysanus pusillus A. C. Sanders, T. B. Salvato 2007-4-24 33503 Los Angeles Tehachapi Mountains, hills above Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant 1082 Comment
  POM121928  Atriplex argentea Marcus E. Jones 1900-7-12 s.n. Los Angeles Long Beach. Comment
  UC1605521  Atriplex californica F. R. Fosberg and E. C. Evans III 1973-11-15 55239 Los Angeles in bottom of ravine on grave soil along S.W. coast (Eel Point, San Clemente Island); San Clemente Island, Eel Point Comment
  SEINET3930713  Atriplex canescens Grant D. Brown 1950-3-31 528 Los Angeles Located 2 miles south of Caswell on highway #99. Pacific drainage area.; 0 Comment
  CAS-BOT-BC170115  Atriplex lentiformis Peter H. Raven 1957-9-21 11347 Los Angeles Along ocean cliffs, Pacific Palisades Comment
  RSA587181  Atriplex lentiformis Scott D. White 1995-12-5 3759 Los Angeles Marina Del Rey area; State Rt. 90 median strip between Culver Bl. and Mindanao Way 5 Comment
  SBBG98641  Atriplex leucophylla T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5088 Los Angeles coastal terrace at West Cove, SW of new landing field 6 Comment
  CAS-BOT-BC180940  Atriplex nummularia Louis C. Wheeler 1933-4-27 1657 Los Angeles Playa del Rey 7 Comment
  JEPS59669  Atriplex semibaccata Elizabeth Day Palmer 1908-7-28 Los Angeles Los Angeles Comment
  LA31604  Atriplex triangularis Peter H. Raven; Henry J. Thompson 1959-10-4 31604 Los Angeles Santa Monica Mountains, Point Mugu, 2 mi. N of Point Mugu along field by Revolon Slough 9 Comment
  SBBG128194  Atriplex watsonii M. G. Simpson, A. Russell, J. Dunn, D. Pivorunas, M. Walgren 2000-7-19 2187 Los Angeles ca. 0.2 mi S from the end of rd that runs S from Eel Point 27 Comment
  UC625153  Atriplex watsonii F. R. Fosberg 1931-5-20 S 4925 Los Angeles Catalina Harbor Santa Catalina Island, Ballast Point, Catalina Harbor (Ballas Point, Santa Catalina Island) 1 Comment
  RSA453973  Atriplex watsonii Anstruther Davidson 1896-10 2940 Los Angeles San Pedro. Comment
  CAS-BOT-BC146038  Avena barbata Geo. B. Grant 1905-4-9 87 Los Angeles Pasadena. Comment
  UCR259619  Avena barbata R. G. Swinney 2010-5-25 12955 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
  UCR51523  Avena barbata A. C. Sanders 1987-12-4 7575 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr. 31 Comment
  RSA0041494  Avena barbata Ron Martinolich 1991-5-3 50 Los Angeles Glendale, Flint Peak access road, .5 mi. west of water tower, off road to southwest along old, overgrown road cut. 30 Comment
  CAS-BOT-BC68351  Azolla filiculoides Alice Eastwood 1906-5-31 s.n. Los Angeles Bimini Baths Comment
  UC1302459  Azolla filiculoides Robert F. Thorne and P. C. Everett 1964-2-7 33484 Los Angeles seepage pool below dam Middle Canyon Creek; Santa Catalina Isl. 152 Comment
  UCD170029  Azolla filiculoides Louis C. Wheeler 1933-7-15 1941 Los Angeles Los Angeles Basin, Los Angeles River at Los Feliz Blvd. 121 Comment
  UCR207979  Azolla filiculoides Samuel R. Tyson 1943-7-7 s.n. Los Angeles San Gabriel Mountains, San Dimas Canyon, San Dimas Reservoir 438 Comment
  CAS-BOT-BC99626  Baccharis plummerae Peter H. Raven 1957-9-21 11362 Los Angeles Topanga Canyon 2.5 mi. above U.S. 101 alternate, Santa Monica Mts. Comment
  RSA670199  Baccharis salicifolia Joseph M. Keefe 2001-3-16 31097 Los Angeles 50 meters west of dead end of Cresthaven Drive, 1 mile southeast of The Eagle Rock, Pasadena, CA 91105. 284 Comment
  UCR219437  Baccharis salicifolia R. G. Swinney 2009-3-28 10180 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon 427 Comment
  UCR223033  Baccharis salicifolia R. G. Swinney 2009-5-6 10670 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 1085 Comment
  UCSB10451  Baccharis salicifolia Lloyd, Robert 1959-3-26 Los Angeles Cobal Canyon, north of Claremont, Calif.; San Gabriel Mt. Range; Pacific Ocean drainage area 396 Comment
  JEPS26180  Baccharis salicifolia subsp. salicifolia Peter H. Raven and Henry J. Thompson 1959-9-6 14383 Los Angeles mouth of Malibu Creek; Santa Monica Mountains, Malibu Creek 12 Comment
  SBBG112169  Balsamorhiza deltoidea C. Bornstein, E. Collins 1997-4-14 Los Angeles ca. 0.7 mi E of Hwy 138 on USFS Rd N2; Liebre Mtn 1082 Comment
  UCR205971  Bassia hyssopifolia Julie A. Greene 1997-9-12 s.n. Los Angeles South Coast, Long Beach area, intersection of Pacific Coast Hwy (Calif. Hwy 1) and Studebaker Road, near Long Beach Marina 5 Comment
  CAS-BOT-BC75748  Berberis nevinii Carl B. Wolf 1932-7-6 6111 Los Angeles 2 blocks east of Pacoima Grammar School, Van Nuys Boulevard, San Fernando Valley. 335 Comment
  RSA3566  Beta vulgaris C. B. Wolf 1932-5-12 3579 Los Angeles Santa Catalina Island. Border of Catalina Harbor. 3 Comment
  SBBG31017  Beta vulgaris R. F. Thorne with P. C. Everett 1965-5-11 34538 Los Angeles N of and along Catalina Harbor Comment
  CDA2994  Beta vulgaris T. C. Fuller 1981-4-1 20349 Los Angeles Ballona Marsh, 200 meters north of 431 East Culver Blvd., Playa del Rey 0 Comment
  UC88613  Bidens laevis Rev. J. C. Nevin Los Angeles Los Angeles Comment
  UCR61036  Bidens pilosa R. G. Swinney 1989-4-1 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park ; Big Dalton Canyon 428 Comment
  RSA783275  Bloomeria crocea J. D. Olmsted 1958-5-19 147 Los Angeles Along Thompson Creek with SW drainage along Baseline, and Indian Hill, north of Claremont 488 Comment
  POM214301  Bloomeria crocea var. crocea L. C. Wheeler 1932-4-30 672 Los Angeles Near UCLA campus, W. Los Angeles. 137 Comment
  SD21403  Bloomeria crocea var. crocea Norman E. Bilderback 1938-3-16 Los Angeles Avalon, Catalina Island. Comment
  RSA70167  Bloomeria crocea var. crocea F. W. Peirson 1922-6-3 3091 Los Angeles north slope at foot of Oak Grove Canyon, Mojave Desert. 976 Comment
  CAS-BOT-BC15866  Boechera arcuata George Loucks Moxley 1917-3-11 533 Los Angeles Pacoima Canyon near San Fernando. Comment
  UC402650  Boechera arcuata unknown 1904-4-4 53 a5633 Los Angeles Garvanza Comment
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Jan 11 2015
  RSA0129467  Boechera pulchra R. G. Swinney 1999-6-18 7309 Los Angeles San Gabriel Mtns.; Big John Flat, northern edge 1652 Comment
  RSA0129469  Boechera pulchra Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 86 B Los Angeles Bob's Gap. At the south edge of Bob's Gap, on slopes and roadside, and down in the wash. 1444 Comment
  UC855325  Boechera sparsiflora Carl Epling, Nesta Dunn, and Alice Goen 1931-5-16 Los Angeles Swartout Valley San Gabriel Mts. Comment
  CATA1793  Bothriochloa barbinodis Benjamin E. Carter, Tony Summers 2012-8-16 6977 Los Angeles Santa Catalina Island: Below Lasso Loop, between Ben Weston Point and China Point 40 Comment
  CAS-BOT-BC145866  Bothriochloa barbinodis Peter H. Raven 1959-10-25 s.n. Los Angeles Santa Monica Mountains. Arroyo Sequit, 1.6 mile north of Coast Highway. 137 Comment
  RSA452005  Bowlesia incana E. S. Spalding 1925-4-23 s.n Los Angeles Turnbull [?] Canyon Comment
  UC2026419  Bowlesia incana Louis C. Wheeler 1965-5-16 8704 Los Angeles LIEBRE MOUNTAIN: Ravine S of Two Shay Ranch, Bouquet Canyon. Comment
  UCR272516  Boykinia rotundifolia R. G. Swinney 2011-10-27 15934 Los Angeles San Gabriel Mountains, 1.4 miles east (downstream) from entrance gate to Cogswell Dam, at confluence of Butterfield Cyn. and W Fork San Gabriel River, along West Fk. Natl. Scenic Bikeway 634 Comment
  RSA0042797  Brassica campestris Harold L. Pirie 1963-4-27 s.n. Los Angeles Near Jopham entrance of L.A. Pierce College, Woodland Hills. 243 Comment
  RSA0055779  Brassica geniculata R. G. Swinney 2010-4-28 12385 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA0036838  Brassica nigra Matt Bogdanoff 1981-5-24 11 Los Angeles Big Dalton Cyn. Rd., 0.7 mi E of junction with Glendora Mtn. Rd., N of Glendora. 396 Comment
  UCR150929  Brassica rapa Valerie Soza, LeRoy Gross 1999-5-10 450 Los Angeles San Gabriel Mountains, Foothills above Glendora, west of Colby Trail, at end of Loraine Avenue 378 Comment
  RSA482931  Brassica rapa Jack Rempel 1932-3-27 s.n. Los Angeles El Segundo. Comment
  CAS-BOT-BC36837  Brassica tournefortii John H. Thomas 1957-4-27 6677 Los Angeles Point Dume, about 18 miles due west of Santa Monica. 60 Comment
  CAS-BOT-BC100431  Brickellia californica B. 1903-8-2 3672 Los Angeles San Antonio [Canon] Canyon Comment
  CAS-BOT-BC100432  Brickellia californica Fordyce Grinnell, Jr. 1916-9-2 s.n. Los Angeles San Gabriel Mts. - near Pasadena Comment
  RSA0116454  Brickellia californica R. G. Swinney 2010-9-30 13942 Los Angeles San Gabriel Mountains; 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon. 2305 Comment
  UC1587578  Brickellia californica Tim Ross and Annette Ross 1991-9-7 5948 Los Angeles near x Yerba Buena Road Mulholland Highway; Santa Monica Mountains 556 Comment
  CAS-BOT-BC106134  Brickellia nevinii Geo. L. Moxley 1917-9-3 627 Los Angeles Eaton Canyon [Canon], San Gabriel Mountains 900 Comment
  UCR102413  Brickellia nevinii Steve Boyd 1997-9-17 10038 A Los Angeles San Gabriel Mtns., Knapp Ranch area, upper end of Castaic Creek drainage in broad alluvial valley at head of Cienega Canyon, south of Liebre Mountain 976 Comment
  UCR117556  Brickellia nevinii A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23295 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 793 Comment
  CAS-BOT-BC149343  Bromus arizonicus John Thomas Howell 1956-3-21 31124 Los Angeles Foothill Boulevard and Williams Street, west of Claremont. Comment
  UCR51075  Bromus arizonicus A. C. Sanders 1988-3-17 7732 Los Angeles Pacific Coast, El Segundo Dunes, immediately west of the LA International airport and Pershing Dr., east of Vista Del Mar Blvd. 30 Comment
  RSA679049  Bromus berteroanus Valerie L. Soza, LeRoy Gross 2002-5-8 1455 Los Angeles Southwest side of Deer summit ('3599'), ridge between Dry Canyon and Haskell Canyon. Stables Fire 2001 area. 1052 Comment
  POM1269  Bromus carinatus D. L. Crawford, Otis Hiatt 1916-3-28 709 Los Angeles Santa Monica Mts, Topanga Canyon. Comment
  UCR223781  Bromus carinatus R. G. Swinney 2009-6-17 11162 Los Angeles Transverse Range; San Gabriel Mtns., Ball Flat, 2.6 miles NW (312 deg. ) of Big Pines 1890 Comment
  RSA561595  Bromus carinatus var. carinatus Steve Boyd, Walter Appleby 1993-5-24 8164 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Along ridgeline on western side of Loop Canyon. 792 Comment
  CAS-BOT-BC148917  Bromus carinatus var. marginatus Elizabeth McClintock 1965-7-2 s.n. Los Angeles San Gabrile Mountains. Table Mountain, above Wrightwood. 2133 Comment
  CAS-BOT-BC148925  Bromus carinatus var. marginatus George B. Grant 1906-6-16 6794 Los Angeles Summit Mount Wilson. 1828 Comment
  RSA723221  Bromus catharticus LeRoy Gross 2007-5-2 2664 Los Angeles Southern part of the range; Stough Canyon just below the nature center. Near 427 Comment
  CATA995  Bromus diandrus Mark L. Hoefs 1994-5-21 1869 Los Angeles Santa Catalina Island: Near Renton Mine Road 195 Comment
  POM363403  Bromus diandrus Anstruther Davidson 1892-05 s.n. Los Angeles Los Angeles. Comment
  RSA562677  Bromus diandrus D. Charlton 1993-4-24 s.. Los Angeles Edwards AFB, Western Mojave Desert. 701 Comment
  RSA675933  Bromus diandrus LeRoy Gross 2003-3-9 793 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
  SD39684  Bromus diandrus Edith A. Purer 1931-4-9 Los Angeles El Segundo, on dunes Comment
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Jul 10 2010
  UC148001  Bromus diandrus C. F. Baker 1909-4-20 5279 Los Angeles Claremont; Southern California, Claremont Comment
  RSA762138  Bromus grandis Orlando Mistretta, Christine Mistretta 2008-5-15 3066 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 75 per TRTP Survey 2008), W fork of the San Gabriel River, Shortcut Cyn. 1200 Comment
  RSA0106845  Bromus hordeaceus R. G. Swinney 2011-5-10 14632 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
  RSA574282  Bromus hordeaceus subsp. molliformis T. S. R., Janet Takara, M. Gay 1993-4-20 6830 Los Angeles Santa Catalina Island: Indian Head Rock, SSW of, and overlooking Little Harbor. Santa Catalina North USGS quad. 79 Comment
  UC624990  Bromus laevipes F. R. Fosberg 1931-4-7 S 4501 Los Angeles Santa Catalina Island, Hamilton Beach Hamilton Beach; Santa Catalina Island, Hamilton Beach 10 Comment
  UCD58995  Bromus madritensis Peter H. Raven 1962-5-20 17780 Los Angeles Santa Catalina Island. Farnsworth Loop on Summit Road. 243 Comment
  CDA1842  Bromus madritensis subsp. madritensis L. C. Wheeler 1975-4-27 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region; San Gabriel Mountains: Fish Canyon.. . 0 Comment
  LA210432  Bromus madritensis subsp. rubens Peter H. Raven; Henry J. Thompson 1960-4-13 15073 Los Angeles Santa Monica Mountains, Mt. Hollywood 335 Comment
  UCSB37848  Bromus pseudolaevipes Raven, Peter 1960-5-21 Los Angeles Triunfo Canyon; Santa Monica Mtns 259 Comment
  POM363947  Bromus rubens Bette Wright 1942-5-2 s.n. Los Angeles Glendale. Comment
  RSA557824  Bromus rubens D. Charlton 1989-4-7 2830 Los Angeles Kentucky Springs, 1 mile south of Highway 14 on Sierra Highway. Comment
  SBBG98487  Bromus rubens T. Ross 1991-5-22 5470 Los Angeles Spray Cyn, short cyn 2400 ft ENE of Spray (which is 5200' N of Eel Pt) 83 Comment
  SEINET3923285  Bromus rubens Timothy S. Ross, Steve Boyd 1994-5-4 7634 Los Angeles San Francisquito Canyon: Headwaters of the canyon, NE of Green Valley; ca 600 m SW of summit of grade; ca 2460 m ESE of Grass Mtn summit. Lale Hughes 7.5' USGS Quadrangle.; 0 1055 Comment
  UCR258916  Bromus rubens R. G. Swinney 2010-4-23 12332 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  RSA0019969  Bromus tectorum P. H. Raven, H. J. Thompson 1959-5-5 14109 Los Angeles Mullholand Highway 1 mile W of Las Virgenes Road; Malibu Creek drainage. 274 Comment
  RSA773828  Bromus tectorum R. G. Swinney 2009-6-3 11030 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR281853  Bromus tectorum R. G. Swinney 2014-4-10 16061 B Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  RSA0019967  Bromus tectorum O. W. Robinson 1916-4-29 s.n. Los Angeles Claremont. 365 Comment
  LA212283  Cakile maritima R Thille; Carol Haines, A. L. Haines 1965-4-4 s.n. Los Angeles Seacliff near Los Angeles and Ventura county line. Comment
  SD66827  Cakile maritima R. Mitchel Beauchamp 1967-3-19 324 Los Angeles San Clement Island; West Cove. Comment
  RSA0116120  Calocedrus decurrens R. G. Swinney 2011-10-13 15781 Los Angeles San Gabriel Mountains; Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek. 1573 Comment
  RSA352850  Calocedrus decurrens B. C. Templeton 1932-5-31 4897 Los Angeles Big Pines Park; San Gabriel Mts. 2088 Comment
  HSC1289  Calocedrus decurrens J. Rockwell 1962-12-25 184 Los Angeles Los Angeles, Vermont and Willow St. 10 Comment
  RSA377306  Calochortus catalinae M. B. Dunkle 1933-4-19 3324 Los Angeles Palos Verde Hills. Comment
  RSA640807  Calochortus catalinae Louis C. Wheeler 1931-4-10 s.n. Los Angeles Pomona: Ganesha Heights. Comment
  UCR157911  Calochortus catalinae Robert J. Steers 2005-5-8 11 Los Angeles South Coast, Palos Verdes Peninsula: on primarily south-facing hillside that is 200 ft west of Pirate Dr. along the north side of Forrestal Dr 183 Comment
  RSA162807  Calochortus clavatus var. gracilis J. D. Olmsted 1959-6-11 644 Los Angeles Evey Canyon, 1/2 mile west of junction with San Antonio Canyon N of Claremont. Mt. Range: San Gabriel Mountains; Drainage Area: San Antonio Creek 732 Comment
  RSA550288  Calochortus kennedyi var. kennedyi Walter Wisura, G. Perez 1992-5-19 4774 Los Angeles Big Pine Rd., 2.5 mi W of Largo Vista Rd. Comment
  RSA587218  Calochortus kennedyi var. kennedyi Orlando Mistretta, Christine Mistretta 1995-5-2 1669 -A Los Angeles Carr Canyon. 1098 Comment
  UC1293693  Calochortus splendens P. C. Everett and E. K. Balls 1959-6-2 23849 Los Angeles 1.5 mi ne from jct with rd to Lake Malibu and Stokes Canyon; Santa Monica Mts. Comment
  UC200715  Calochortus splendens Katharine Brandegee Los Angeles Santa Catalina Island Comment
  RSA377434  Calochortus splendens H. E. Hasse 2753 Los Angeles Catalina Island. Comment
  RSA681339  Calochortus venustus LeRoy Gross, Valerie Soza 2003-5-15 921 Los Angeles Northwest side: 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 518 Comment
  RSA778571  Calochortus weedii var. intermedius David E. Bramlet, A. Rudalevige 2010-6-22 4724 Los Angeles Chino Puente Hills region: Tonner Canyon. Ridgeline along the Brea Ridge MtrWay, adjacent to T line, 945 m W of Tonner Canyon Road 319 Comment
  RSA0110204  Calyptridium monandrum Richard G. Swinney 2011-5-16 14750 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 1.18 mi at 73 degrees SE of Colby Ranch Rd. and FS Rd. 3N19 (along Big Tujunga Cyn.), c. 450 ENE of lodge in center of camp. 1375 Comment
  SD260292  Calyptridium monandrum R. G. Swinney 2010-5-19 12818 Los Angeles San Gabriel Mountains/Western Mojave Desert: Oracle Hill sumit, abandoned Naval Analytics Station, at end of Pacific Tel. Access Rd., just W of Angeles Natl.l Forest boundary, 2.05 air miles E of Angeles Forest Hwy., 0.8 miles W of Mt. Emma Rd. 1335 Comment
  UCR123930  Calyptridium monandrum Steven R. Hill, K. Kramer 2001-4-22 33388 Los Angeles Southwestern Mojave Desert, South side of Calif. Hwy 138 (Pearblossom Hwy) just east of Palmdale and c. 1 mi west of Little Rock; W side of Little Rock Wash 860 Comment
  UCR261772  Calyptridium monandrum R. G. Swinney 2010-5-11 12684 Los Angeles San Gabriel Mountains, east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd 872 Comment
  UCR269117  Calyptridium monandrum Orlando Mistretta, Christine Mistretta 2008-5-15 3073 Los Angeles Transverse Range; San Gabriel Mountains, Southern California Edison transmission line corridor (Segment 6, structure 75 per TRTP Survey 2008), West Fork San Gabriel River, Shortcut Canyon 1214 Comment
  UCR150453  Calystegia fulcrata R. G. Swinney 1999-6-21 7365 Los Angeles San Gabriel Mtns., Big John Flat 1671 Comment
  RSA158345  Calystegia macrostegia subsp. amplissima P. H. Raven 1962-4-9 17143 Los Angeles Near barracks, Wilson Cove, San Clemente Island. 61 Comment
  CAS-BOT-BC215762  Calystegia macrostegia subsp. arida P. A. Munz 1918-5-16 2241 Los Angeles Claremont Comment
  SD85047  Calystegia macrostegia subsp. cyclostegia E. R. Blakley 1962-10-3 5393 Los Angeles Santa Catalina Island, east side of Black Jack Mountain at start of road to White's Landing. 409 Comment
  RSA733158  Calystegia occidentalis subsp. fulcrata R. G. Swinney 1997-6-13 5593 Los Angeles San Gabriel Mtns: ridge NE of Table Mountain (pk. 7473'), ca. 0.4 mi. W of San Bernardino Co. line. 2195 Comment
  UCSB58947  Calystegia peirsonii Mitchell, Don 1991-6-7 Los Angeles Unnamed canyon off Charlie Canyon, near south end of Castaic Lagoon, City of Castaic Comment
  RSA638944  Camissonia bistorta Louis C. Wheeler 1967-5-15 9564 Los Angeles Ridge immediately east of Fremont Pass. 579 Comment
  RSA709467  Camissonia bistorta A. C. Sanders, Helen Kennedy 2005-4-13 29490 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between mint and Plum Canyons. 457 Comment
  SEINET4680861  Camissonia bistorta K. Dobry 1976-5-31 84 Los Angeles Sherman Oaks.; 0 168 Comment
  POM96351  Camissonia boothii subsp. decorticans P. A. Munz 1926-4-4 10004 Los Angeles Bouquet Canyon, 5 miles N of Saugus. Comment
  RSA0081710  Camissonia campestris R. G. Swinney 2010-5-19 12791 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
  RSA247965  Camissonia campestris subsp. campestris Robert F. Thorne, Gary D. Wallace 1973-4-24 43438 Los Angeles Antelope Valley, Western Mojave Desert: Lovejoy Buttes, N of Llano, S slope. 915 Comment
  SBBG16004  Camissonia campestris subsp. campestris W. G. Webb 1935-4-19 Los Angeles near Castaic Comment
  UCR205090  Camissonia confusa R. G. Swinney 2008-4-10 8642 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, confluence of Lodi Canyon with San Dimas Canyon, just south of San Dimas Reservoir 402 Comment
  RSA598851  Camissonia graciliflora Steve Boyd, T. S. Ross 1997-3-21 9223 Los Angeles Liebre Mountains, Portal Ridge, head of Broad Canyon, east of VABM King and 0.2 miles east of the junction of Forest Service Roads 7N07 and 7N07A, near an abandoned road alignment leading down ridgeline dividing Bleich Canyon and Broad Canyon. 1311 Comment
  RSA708806  Camissonia hirtella Valerie L. Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1148 Los Angeles Ridgetop above McDonald Creek. 427 Comment
  RSA729701  Camissonia hirtella R. G. Swinney 1998-7-27 6507 Los Angeles Dry Lake, south of Sunset Peak at head of Dry Lake Canyon. 1515 Comment
  POM7095  Camissonia intermedia P. A. Munz, Street, Williams 1919-4-5 2444 Los Angeles Puddingstone Creek, San Dimas Comment
  POM50608  Camissonia lewisii L. R. Abrams 1899-03 300 Los Angeles Ballona Harbor Comment
  UCR47882  Camissonia lewisii R. Mattoni 1986-1 s.n. Los Angeles South Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 Comment
  SEINET7040192  Camissonia pallida subsp. pallida A. G. Vestal 1962-3-30 s.n. Los Angeles Yacca stand, Antelope Valley, south of Willow Springs. Little Buttes Quadrangle UTM Zone 11, 377584mE, 3848202mN. Comment
  RSA454098  Camissonia strigulosa H. Twining 1888-1 s.n. Los Angeles Rincon. Old river bed. Comment
  OBI48966  Camissoniopsis bistorta Unknown 1882-2-27 s.n. Los Angeles Pasadena Comment
  UC873866  Camissoniopsis bistorta Ira W. Clokey, B. Templeton 1929-4-1 4456 Los Angeles Mandeville Canyon Santa Monica Mountains (dry open ridge) 500 Comment
  UC56471  Camissoniopsis bistorta Avis Smith Apr 1899 39 Los Angeles Claremont Comment
  CAS-BOT-BC160491  Camissoniopsis cheiranthifolia subsp. suffruticosa Peter H. Raven 1962-6-8 17934 Los Angeles Point Dume Comment
  SBBG132313  Camissoniopsis guadalupensis subsp. clementina S. A. Junak, B. Collins 1991-4-26 SCI- 237 Los Angeles E side of island, near Dolphin Cove 48 Comment
  SBBG61459  Camissoniopsis ignota R. Hoffmann 1930-5-19 Los Angeles Mint Cyn, 4 mi E of Oaks Garage Comment
  UC440394  Camissoniopsis intermedia Carl Epling and H. Anderson 1930-5-30 103 Los Angeles Mandeville Canyon Santa Monica Mountains Comment
  CAS-BOT-BC160531  Camissoniopsis lewisii H. Wedberg 1957-4-1 13 Los Angeles On Point Dume Comment
  LA26076  Camissoniopsis lewisii H. Lewis; 1953-4-10 sn Los Angeles Point Dume Comment
  UC1971204  Camissoniopsis micrantha Louis C. Wheeler 1947-4-20 6468 Los Angeles SAN GABRIEL MOUNTAINS: Kinneloa Canyon. Comment
  UCR182720  Capsella bursa-pastoris R. G. Swinney 1998-2-16 5900 Los Angeles San Gabriel Mountains/San Gabriel Valley, mouth of San Gabriel River about 100-350 m north of Foothill Blvd., east bank 189 Comment
  CATA628  Capsella bursa-pastoris Mark L. Hoefs 1991-4-8 1083 Los Angeles Santa Catalina Island: Side canyon (Rattlesnake Canyon) of upper Avalon Canyon 146 Comment
  UC56684  Cardamine californica Ernest Braunton 1903-1-10 789 Los Angeles Arroyo Seco Comment
  UCD114196  Cardamine californica Daryl Koutnik; John Cuti 1978-4-12 337 Los Angeles Verdugo Mountains, south of La Tuna Canyon Road. 579 Comment
  UC855939  Cardamine californica var. californica I. W. Clokey, E. G. Anderson 1931-3-11 5322 Los Angeles San Gabriel Canyon Comment
  UCR271838  Cardamine hirsuta R. G. Swinney 2011-3-15 14085 Los Angeles San Gabriel Mountains, Arcadia Wilderness Park, 2240 Highland Oaks Dr., lower Santa Anita Cyn., east portion of park 244 Comment
  CAS-BOT-BC37902  Cardamine oligosperma Louis C. Wheeler 1932-3-20 506 Los Angeles San Dimas Canyon. San Gabriel Mountains. 518 Comment
  UCR189378  Cardamine oligosperma R. G. Swinney 1998-5-30 6175 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  UCR125556  Carduus pycnocephalus A. C. Sanders 2003-5-26 26854 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
  UCR223382  Carex R. G. Swinney 2009-5-27 10874 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
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Sep 12 2018
  UCR203604  Carex alma R. G. Swinney 2005-7-21 8337 Los Angeles San Gabriel Mountains, Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  CAS-BOT-BC17666  Carex alma Frank W. Peirson 1918-5-21 1636 Los Angeles San Gabriel Mountains. Arroyo Seco Canyon. Comment
  CAS-BOT-BC17669  Carex alma Joseph Andorfer Ewan 1931-5-30 4259 Los Angeles San Gabriel Mountains. Between Sturtevant Divide and West Fork of San Gabriel River. 914 Comment
  SD181806  Carex bolanderi Valerie Soza, LeRoy Gross 2000-6-13 996 Los Angeles San Gabriel Mountains; Spring along Burkhart Trail from Buckhorn Flat to Cooper Canyon, ca. 0.8 mile along trail from Buckhorn Flat trailhead. 1844 Comment
  RSA602265  Carex douglasii L. C. Wheeler 1946-5-12 6199 Los Angeles Chilao Guard Station Comment
  UCR192655  Carex fracta R. G. Swinney 1999-8-16 7659 Los Angeles San Gabriel Mtns., Wrightwood area, Flume Canyon, spring c. 200 m north of Guffy Campground 2445 Comment
  RSA230053  Carex multicaulis Robert F. Thorne 1971-6-26 40594 Los Angeles Summit of Mt. Wilson 1738 Comment
  RSA364691  Carex schottii Freda Detmers 1929-2-2 s.n. Los Angeles Verdugo Valley, Glendale. Comment
  RSA640887  Carex senta L. C. Wheeler 1967-8-2 10336 Los Angeles Angeles National Forest; Sulphur Spring 1585 Comment
  VVC3084  Carex subfusca Tim Thomas, P. J. MacKay 2015-5-10 6621 Los Angeles San Gabriel Mtns, Jackson Lake 1896 Comment
  CAS-BOT-BC115663  Carex triquetra Marcus E. Jones 1926-5-7 s.n. Los Angeles Claremont Comment
  CAS-BOT-BC230122  Carpobrotus edulis Eric Walther 1932-5-30 s.n. Los Angeles California Botanic Garden, Los Angeles Comment
  UCD123073  Castilleja Gordon Pilone 1961-3-3 108 Los Angeles Padua Hills, 100 yards above Spanish restaurant. San Gabriel Mt. Range. 396 Comment
  RSA425857  Castilleja affinis F. R. Fosberg 1931-4-8 s- 4516 Los Angeles Avalon Valley, Santa Catalina Island. 50 Comment
  RSA757200  Castilleja affinis subsp. affinis Orlando Mistretta, Christine Mistretta 2008-4-7 2356 Los Angeles along SCE transmission line corridor, ca. 1 mi. NW of intersection of transmission line with State Hwy. 14 (1.25 mi. NW of Vincent substation), southeast edge of Sierra Pelona Ridge. (Segment 5, structure 43 per TRTP survey-2008) 1020 Comment
  UC885395  Castilleja affinis subsp. affinis F. R. Fosberg 1931-3-25 S 4362 Los Angeles s wall Hamilton Canyon; Santa Catalina Island 10 Comment
  UC1408948  Castilleja applegatei subsp. martinii Donald R. Bissing 1973-4-6 36 Los Angeles 0.5 mi from mouth of Evey Canyon; San Gabriel Mountains, Evey Canyon 762 Comment
  RSA81463  Castilleja applegatei subsp. martinii F. W. Peirson 1922-7-6 3182 Los Angeles Covering large areas of Blue Ridge, east end of San Gabriel Mts. near line between Los Angeles and San Bernardino counties. 2439 Comment
  UCR153320  Castilleja exserta A. C. Sanders, T. B. Salvato 2005-4-26 29738 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, bowl between ridges at NE end of Cruzan Mesa, just south of Vasquez Canyon Road 595 Comment
  UCR155919  Castilleja exserta A. C. Sanders 2005-5-5 29887 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool 655 Comment
  JEPS30730  Castilleja exserta subsp. exserta Peter H. Raven 1962-3-27 16996 Los Angeles 1.4 mi e Portugese Bend (along Palos Verdes Drive); Palos Verdes Hills Comment
  IRVC27854  Castilleja foliolosa A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26111 Los Angeles Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam Western San Gabriel Mtns. 488 Comment
  SBBG95472  Castilleja foliolosa M. B. Dunkle 1929-3-3 2058 Los Angeles Hamilton Cyn Comment
  SD90316  Castilleja foliolosa Robert F. Thorne 1970-3-5 39351 Los Angeles Santa Catalina Island; NE slope of Blackjack Mt., at upper end of Swain's Canyon 395 Comment
  UCR146462  Castilleja foliolosa Orlando Mistretta 1992-6-12 573 Los Angeles Transverse Ranges; San Gabriel Mountains region, Cow Canyon, Road 2N29 EA- from Saddle to 2nd main drainage Comment
  POM8510  Castilleja foliolosa Philip A. Munz, R. D. Harwood 1920-5-15 3925 Los Angeles Sepulveda Canyon. 244 Comment
  RSA400572  Castilleja foliolosa Mark Morris 1929-4-11 s.n. Los Angeles Verdugo Hills, near Glendale. Comment
  RSA585909  Castilleja gleasoni Tim S. Ross, S. D. Boyd 1990-5-23 2606 Los Angeles Mt Gleason area: north-northwesterly ridge decending from Messenger Peak (6015 ft) near the headwaters of Mill canyon and Moody Canyon. 1720 Comment
  RSA567312  Castilleja martinii var. martinii Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3990 Los Angeles Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. [West Summit here construed as the 5605-foot knoll near the intersection of sections 3,4,9,10] 1390 Comment
  POM175354  Castilleja minor subsp. spiralis E. Crow 1930-6-29 s.n. Los Angeles San Gabriel Mtns., trail above Camp Coldbrook Comment
  RSA448772  Castilleja minor subsp. spiralis Louis C. Wheeler 1932-6-26 879 Los Angeles San Gabriel Canyon. 335 Comment
  RSA659955  Castilleja plagiotoma Orlando Mistretta 1992-5-18 343 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  UCR271880  Castilleja plagiotoma R. G. Swinney 2011-6-23 15296 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  UCR187139  Caucalis microcarpa A. C. Sanders 2006-5-16 32304 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. west of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  UC1929507  Caulanthus amplexicaulis var. amplexicaulis LeRoy Gross, Duncan Bell 2008-5-27 3424 Los Angeles [Transverse Ranges; San Gabriel Mountains region]; East of Mill Creek, and Angeles Forest Highway. west from the Falcon Mine. Southwest of Mill Creek summit. 1311 Comment
  RSA651059  Caulanthus cooperi Marion P. Harthill 1974-4-22 1666 Los Angeles Mojave Comment
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Jan 4 2012
  RSA549560  Caulanthus cooperi Timothy S. Ross 1992-4-4 6090 Los Angeles Adobe Mountain: SW Mojave Desert. 927 Comment
  JEPS82371  Ceanothus W. L. Jepson 1939-4-14 19113 Los Angeles a canyon head just below Topanga Canyon summit Santa Monica Mountains Comment
  UCR179267  Ceanothus R. G. Swinney 1968-3-18 227 Los Angeles San Gabriel Mtns., Big Dalton Canyon, 1.0 mi. east of Glendora Mtn. Road 427 Comment
  CATA52  Ceanothus arboreus Mark L. Hoefs, A. Douglas Propst 1973-3-3 31 Los Angeles Santa Catalina Island: West side of Mt. Black Jack 411 Comment
  CAS-BOT-BC48757  Ceanothus crassifolius Timothy S. Ross 1992-4-21 6227 Los Angeles W and SW of Horse Canyon Saddle: along an old roadcut (ultimately joining Lower Monroe Road) that marks the NW boundary 1072 Comment
  LA82215  Ceanothus crassifolius O. H. Kappler; 1941-3-25 147 Los Angeles SANTA MONICA MOUNTAINS, Corral Canyon, at head of Corral Canyon, N slope. 761 Comment
  UC1071004  Ceanothus crassifolius P. L. Johannsen 1934-2-2 276 Los Angeles San Fernando Pass Santa Susana quad Comment
  CAS-BOT-BC49262  Ceanothus cuneatus C. F. Baker 1904-2-17 4010 Los Angeles Claremont Comment
  RSA592779  Ceanothus cuneatus var. cuneatus Steve Boyd, Mike Wall 1996-4-4 8534 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
  UCR46144  Ceanothus integerrimus Kathy Harper 1986-5-17 s.n. Los Angeles San Gabriel Mtns, between Pacifico Mountain and road N3 Comment
  CAS-BOT-BC50553  Ceanothus leucodermis Timothy S. Ross; Steve Boyd 1994-5-4 7669 Los Angeles Liebre Mountains - Northeast summit of Grass Mountain: north slopes draining toward Elizabeth Lake; south slopes toward 1389 Comment
  RSA399008  Ceanothus leucodermis Fordyce Grinnell Jr. 1910-06 1931 Los Angeles Long Canyon, San Gabriel Mountains. Comment
  RSA653925  Ceanothus leucodermis Valerie L. Soza, Wayne Law, Laura Moore 2000-6-27 1034 Los Angeles San Gabriel Mountains: Firebreak above Upper Winter Creek Trail, ca. 2 miles northwest of Chantry Flat along FS Road 2N41.2, north of San Olene Canyon. 850 Comment
  UC450892  Ceanothus leucodermis F. A. M. 1931-4-10 2580 Los Angeles Tejunga Canyon Comment
  UC1594397  Ceanothus megacarpus var. insularis Tim Ross and Elizabeth Kellogg 1992-4-11 6114 Los Angeles San Clemente Island, west fork of China Canyon. 239 Comment
  LA52218  Ceanothus megacarpus var. megacarpus A. M. Johnson; 1935-2-22 4551 Los Angeles Sepulveda Canyon, beyond tunnel Comment
  POM2826  Ceanothus oliganthus O. Kenney 1893-2-15 s.n. Los Angeles Mountains, collected near Pasadena Comment
  RSA399736A  Ceanothus oliganthus Mable Emler 1929-7-18 s.n. Los Angeles Griffith Park. Comment
  RSA233365  Ceanothus oliganthus var. oliganthus Arthur C. Gibson, Linda Gibson 1972-3-18 2793 Los Angeles Fish Canyon, San Gabriel Mountains. 381 Comment
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Nov 19 2014
  RSA601636  Ceanothus oliganthus var. oliganthus Louis C. Wheeler 1967-6-26 9873 Los Angeles Elsmere Canyon. 441 Comment
  SEINET13276831 Image available Ceanothus oliganthus var. oliganthus R. G. Swinney 2011-1 14179 Los Angeles San Gabriel Mountains: mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam (Glendora 7.5' Q.) (T1N R9W S28) 509 Comment
  UC1071164  Ceanothus oliganthus var. oliganthus P. L. Johannsen 1934-2-17 289 Los Angeles Pico Canyon Santa Susana quad. 640 Comment
  RSA398942  Ceanothus spinosus Bonnie C. Templeton 1930-4-2 1411 Los Angeles Mulholland Dr., Northwest of Hollywood 600 Comment
  SEINET10834125  Cedrus deodara David B. Dunn 1957-8-20 Dunn 12655 -A Los Angeles Los Angeles. Cultivated introduced plants from various places. Street trees or yard trees. In Highland Park. Cedrus 50-70 ft tall. Comment
  RSA653890  Centaurea melitensis Valerie L. Soza, Laura Moore 2000-5-10 828 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. at fire gate to powerlines 594 Comment
  UCR95473  Centaurea melitensis L. C. Wheeler 1967-4-23 9191 Los Angeles San Gabriel Mtns, N slope of Sunset Ridge at edge of firebreak by Millard Canyon 610 Comment
  CDA21189  Centaurea melitensis M. O'Brien 2007-5-27 MOB 2 -2007 Los Angeles South Coast; Malibu Bluffs State Recreation Area. 0 Comment
  RSA573457  Centaurea melitensis Timothy S. Ross 1992-6-15 6556 Los Angeles Whittier Hills (local name for the W extremity of the Puente Hills): upper end of Turnbull Canyon. 294 Comment
  SBBG54444  Centaurea melitensis J. Hoskins 1964-5-14 12 Los Angeles The "Wash", Pomona College, Claremont 335 Comment
  RSA202451  Centaurea repens R. L. Armacost 1960-9-27 1336 Los Angeles Santa Monica, alley near Washington Comment
  UCR146987  Centaurium venustum Kathleen Stockwell 2000-6-1 s.n. Los Angeles San Gabriel Valley, Claremont, Bernard Biol. Field Station, north side of Foothill Blvd. 427 Comment
  CAS-BOT-BC288833  Centromadia parryi subsp. australis Peter H. Raven 1957-9-21 11332 Los Angeles At NW end of UCLA campus, Los Angeles Comment
  CAS-BOT-BC279111  Centromadia pungens subsp. laevis Grant 1901-7-17 s.n. Los Angeles Pasadena Comment
  CAS-BOT-BC279112  Centromadia pungens subsp. laevis Alice Eastwood 1920-4-20 9374 Los Angeles San Pedro Comment
  POM18059  Centrostegia thurberi P. A. Munz 1923-6-9 6941 Los Angeles Canyon N of Pine Canyon, near Elizabeth Lake. 1220 Comment
  RSA653480  Cerastium glomeratum Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O Brien 2000-4-25 780 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
  SEINET13276732 Image available Cerastium glomeratum R. G. Swinney 2011-1 14475 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservior (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  POM6432  Cerastium glomeratum L. T. Street, G. Williams 1919-4-12 2611 Los Angeles Puente [now La Puente]. Comment
  UCR78149  Cercocarpus betuloides Wandalee Thompson 1964-4-18 27 Los Angeles Transverse Range; Liebre Mtns., Thompson Ranch entrance road, 20660 West Pine Canyon Road, c. 5 miles west of Lake Hughes 1128 Comment
  CAS-BOT-BC142110  Cercocarpus betuloides var. betuloides Geo. B. Grant 1906-9-1 7164 Los Angeles Catalina Island Comment
  LA91491  Cercocarpus betuloides var. betuloides Bruce Douglas Clayton; Greg Shaw 1972-4-15 92 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, Mountain Park Research Campus, lower canyon entrance. 508 Comment
  RSA650394  Cercocarpus betuloides var. betuloides T. Strid 1971-6-1 s.n. Los Angeles Glendora Road. Comment
  SEINET4090497  Cercocarpus betuloides var. blancheae R. Moran 1941-1 703 Los Angeles Hermit Gulch, Santa Catalina Island. 50 Comment
  UC1211069  Cercocarpus betuloides var. blancheae Huron H. Smith 1912-5-29 5018 Los Angeles Santa Catalina Island, Summit Road Summit Road; Santa Catalina Island, Summit Road 335 Comment
  POM156496  Cercocarpus ledifolius L. R. Abrams 1902-7-12 2680 Los Angeles Mt. San Antonio. 2744 Comment
  RSA449448  Cercocarpus ledifolius Anstruther Davidson 1918-8-1 3078 Los Angeles Camp Baldy. Comment
  CAS-BOT-BC279530  Chaenactis artemisiifolia Geo. B. Grant 1904-6-15 166 Los Angeles Pasadena Comment
  RSA94394  Chaenactis fremontii F. W. Peirson 1921-5-19 2409 Los Angeles Little Rock Creek: N slope of San Gabriel Mountains 960 Comment
  SD113076  Chaenactis glabriuscula var. lanosa Darley F. Howe 1915-4-1 60 Los Angeles Claremont Comment
  UCR23738  Chaenactis santolinoides John C. Roos 1947-5-31 3667 Los Angeles San Gabriel Mountains, Big Pines 2134 Comment
  UCR192527  Chaenactis xantiana A. C. Sanders 2008-4-10 34787 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM 'Pine 1006 Comment
  RSA599610  Chamaesyce albomarginata Steve Boyd, Lauren Raz 1997-4-16 9504 Los Angeles Liebre Mountains region: Lower Apple Canyon, due east of the confluence of Canada de Los Alamos (Lower Hungry Valley) and Peace Valley and Interstate 5. 853 Comment
  SFV5383  Chamaesyce albomarginata J. Turner, F. M. Ball, C. Blake 1962-6-2 s. n. Los Angeles Mojave Desert Big Pines Highway, midway between Pearblossom and Valyermo. Roadside. 1037 Comment
  UCSB42597  Chamaesyce albomarginata Rajala, Mary Ann 1980-5-25 Los Angeles Hungry Valley Road, 3.3 mi. west of Hwy. 5 981 Comment
  RSA597284  Chamaesyce albomarginata T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter W. Fitsch 1990-6-22 3738 Los Angeles Pinyon Ridge: Western half of the ridge, between upper Little Rock Creek and the San Andreas Rift Zone. 1707 Comment
  RSA613599  Chamaesyce albomarginata L. C. Wheeler 1968-4-13 s.n. Los Angeles San Gabriel Mountains: Just west of Bluebird Truck Trail. 472 Comment
  SFV21761  Chamaesyce polycarpa L. Gross 2001-4-1 376 Los Angeles Verdugo Mountains Northwest side of Verdugo Mountains. Low hill between La Tuna Canyon Road and Sunland Blvd. Entered at dead end street at corner of Tuxford St. and Ledge Ave. just north of La Tuna Canyon Road in Sun Valley, just west of mouth of McDonald Creek. 305 Comment
  RSA604605  Chamaesyce prostrata L. C. Wheeler 1961-8-15 7916 Los Angeles Pasadena: Huntington Memorial Hospital. Comment
  CDA34299  Chamaesyce serpyllifolia M. O'Brien 2011-6-14 MOB 11 -11 Los Angeles Santa Monica Mountains; Tapia County Park. 152 Comment
  RSA685711  Cheilanthes covillei Thekla Mohr 1915-1 184 Los Angeles North Fork, San Gabriel River. Comment
  RSA587482  Cheilanthes covillei Orlando Mistretta, Steve Boyd, Darin Banks 1994-4-29 1131 Los Angeles San Gabriel Mountains. Santiago Canyon. Slopes W of main drainage below Mt Emma. 1220 Comment
  RSA478378  Chenopodium album Gertrude Dunn 1931-3-28 s.n. Los Angeles Palos Verdes Comment
  UCR176994  Chenopodium atrovirens Sharon Dougherty 2001-9-7 s.n. Los Angeles San Gabriel Mtns., Kratka Ridge 2134 Comment
  RSA598573  Chenopodium berlandieri L. C. Wheeler 1966-11-23 9146 Los Angeles San Gabriel Mountains. West Fork San Gabriel Canyon. Comment
  RSA306179  Chenopodium californicum Fay A. MacFadden 1933-04 s.n. Los Angeles La Tuna Canyon, Verdugo Hills Comment
  UCD168375  Chenopodium californicum J. W. Barry 1980-5-1 s.n. Los Angeles East of Hungry Valley SVRA. (Exact location unknown. Coordinates estimated by the label maker.) Comment
  RSA478489  Chenopodium californicum Jack Rempel 1932-3-20 s.n. Los Angeles El Segundo. Comment
  RSA639738  Chenopodium californicum L. C. Wheeler 1969-4-20 s.n. Los Angeles San Gabriel Mountains: 1/4 mile east Barrel Springs 899 Comment
  RSA0060476  Chenopodium fremontii R. G. Swinney 2010-10-13 14033 Los Angeles Lily Spring, within 100 meters of main spring. 2454 Comment
  RSA729382  Chenopodium fremontii R. G. Swinney 1998-7-14 6457 Los Angeles north slope of Pine Mountain Ridge, from high point to Prairie Fork, c. 1 mi. SE of Cabin Flat. 1890 Comment
  UCR277248  Chenopodium fremontii R. G. Swinney 2010-9-30 13946 Los Angeles San Gabriel Mountains, 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon 2341 Comment
  CHSC35494  Chenopodium murale James Henrickson 1979-5-23 18184 Los Angeles Ca. 7 air miles N of Newhall in Dry Canyon; S of Dry Canyon Reservoir. 411 Comment
  UCR219303  Chenopodium murale Lorraine Weller 2010-8-20 082010- 15 Los Angeles Los Angeles, Koreatown area, Rosewood Community Gardens, 4160 1/2 Rosewood Ave. 84 Comment
  RSA104866  Chenopodium pumilio D. F. Howe 1956-8-19 s.n. Los Angeles Mulholland Drive. Comment
  RSA620018  Chenopodium pumilio LeRoy Gross 1998-11-21 102 Los Angeles San Gabriels Mountains.: Henninger Flats. 801 Comment
  UCR127381  Chenopodium rubrum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25522 Los Angeles Santa Clara River Valley, Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  LA210532  Chenopodium strictum var. glaucophyllum Arthur C. Gibson; 2003-9-2 4896 Los Angeles Chatsworth Reservoir near Chatsworth Lake Manor, Simi Hills Comment
  SD112758  Chlorogalum pomeridianum Darley F. Howe 1952-7-13 2249 Los Angeles West slope of Lookout Mountain, in Santa Monica Mountains. Comment
  JEPS57638  Chorizanthe parryi var. fernandina Alice M. Ottley 1920-5-3 577 Los Angeles Little Tujunga Wash 335 Comment
  SBBG62230  Chorizanthe parryi var. fernandina R. Hoffmann 1929-5-21 Los Angeles Elizabeth Lake Comment
  UCD99798  Chorizanthe parryi var. fernandina Mark A. Elvin; Vipul Joshi, Tricia Wotipka 2003-6-11 2940 Los Angeles N end of Santa Susana Mtns.: Newhall Ranch, ridge ca 900 m SW of 'Airport Mesa'. 366 Comment
  SD60245  Chorizanthe spinosa Ralph Hoffman 1930-5-19 Los Angeles gravelly washes running into southeastern side of Muroc Lake, northwestern Los Angeles County Comment
  CAS-BOT-BC244668  Chorizanthe staticoides F. Grinnell Jr. 1917-7-8 s.n. Los Angeles Burley Flats, San Gabriel Mountains 1706 Comment
  CAS-BOT-BC244735  Chorizanthe staticoides Le Roy Abrams 1901-4-3 1274 Los Angeles Santa Monica Mts. 243 Comment
  SBBG122070  Chorizanthe staticoides A. Parikh, N. Gale 2000-5-6 1733 Los Angeles upper slope of SW part of Grapevine Mesa, 2.5 km ESE of Del Valle, N side Santa Susana Mtns 375 Comment
  SDSU4933  Chorizanthe staticoides H. Wedberg 1966-4-3 1197 Los Angeles Above Hill Drr. X Neal, in Eagle Rock. 457 Comment
  UCR127155  Chorizanthe staticoides A. C. Sanders, Mark A. Elvin 2003-6-18 26954 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
  UCR127177  Chorizanthe staticoides A. C. Sanders 2003-6-20 27002 Los Angeles Western Transverse Range/Santa Clara River Watershed, 'Off-haul Canyon' between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and c. 1 km NNW of Mayo Spur, Newhall Ranch 366 Comment
  SBBG121873  Chorizanthe xanti var. xanti A. Parikh, N. Gale 2005-6-15 775 Los Angeles Portal Ridge, 1 km NW of intersection of N2/Johnson Rd, 1 km SE of intersection of N2/Munz Ranch Rd 1035 Comment
  SBBG62288  Chorizanthe xanti var. xanti J. Ewan 1929-7-10 Los Angeles trail to Barley Flats 1463 Comment
  UCR231382  Chrysanthemum parthenium Dan S. Cooper 2011-9-30 911- 130 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, Royce Canyon 264 Comment
  RSA330802  Chrysolepis sempervirens Wayen E. Sawyer 1981-7-24 105 Los Angeles San Gabriel Mtns, Angeles National Forest: Crest trail, 0.6 miles W of Mt. Hawkins. 2530 Comment
  UCR18622  Chrysothamnus nauseosus J. D. Pinto, Greg Ballmer 1971-10-20 s.n. Los Angeles Western Mojave Desert, 4 mi north of Lancaster 701 Comment
  SFV3834  Cirsium occidentale var. californicum P. M. Kennamer 1959-3-28 117? Los Angeles San Gabriel Mountains Bouquet Canyon, 10 miles from junction of Bouquet and Soledad Canyons. 610 Comment
  RSA0070680  Cirsium occidentale var. californicum Gary D. Cromwell, David W. Wheat 1971-4-30 608 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mtns. 2 mi NE of Glendora. 457 Comment
  UCR126913  Cirsium occidentale var. occidentale A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26192 Los Angeles Western San Gabriel Mtns., Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment
  UCR133721  Cirsium occidentale var. occidentale F. R. Fosberg 1931-4-1 S- 4440 Los Angeles Channel Islands, Santa Catalina Island, Avalon 10 Comment
  UCR153952  Cirsium occidentale var. occidentale A. C. Sanders 2005-5-11 30196 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon along Plum Canyon Rd. between crest and vernal pool on bench in mid canyon, NW of Forest Park between Mint and Bouquet Cyns. 671 Comment
  CATA3059  Cirsium vulgare Vyki L. Englert, Charlie de la Rosa 2011-3-16 044 Los Angeles Santa Catalina Island: USC Marine Institution, Big Fisherman's Cove in Two Harbors, behind handicapped accessible ramp housing unit along cement drainage 0 Comment
  RSA225731  Clarkia bottae Robert F. Thorne, Arthur C. Gibson 1971-5-22 39709 Los Angeles San Gabriel Mountains: Near mouth of Fish Canyon. 244 Comment
  RSA453474  Clarkia bottae L. E. Hoffman 1929-5-18 s.n. Los Angeles Pacoima Canyon, Angeles National Forest. Comment
  RSA724760  Clarkia bottae K. Dobry 1991-5-13 494 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  CAS-BOT-BC172245  Clarkia cylindrica subsp. cylindrica Peter H. Raven 1959-5-3 14069 Los Angeles Mulholland Drive 0.5 miles east of Berverly Glen Boulevard, Santa Monica Mountains 411 Comment
  CAS-BOT-BC164326  Clarkia dudleyana F. Grinnell Jr. 1910-6-4 s.n. Los Angeles San Gabriel Mts., Long [Canon] Canyon 914 Comment
  UC930754  Clarkia dudleyana C. F. Baker May 1904 4714 Los Angeles hills near Claremont Comment
  CATA513  Clarkia epilobioides Sara L. Crockett 1997-4-9 658 Los Angeles Santa Catalina Island: 1.0 mile up Hermit Gulch Trail from Hermit Gulch CG, S side of trail ca. 10 m upslope 304 Comment
  UCR182385  Clarkia epilobioides R. G. Swinney 1998-5-9 6046 Los Angeles San Gabriel Mountains, Fern Canyon, a tributary of Fish Canyon, c. 600 m west of Fish Cyn stream bottom 351 Comment
  SD39471  Clarkia epilobioides Edith A. Purer 1935-5-11 6587 Los Angeles Hillside, Malibou Lodge Road. Comment
  SBBG60315  Clarkia purpurea subsp. purpurea R. Hoffmann 1927-6-14 Los Angeles Elizabeth Lake Comment
  CATA1587  Clarkia purpurea subsp. quadrivulnera Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2857 Los Angeles Santa Catalina Island: By road to Toyon Beach 313 Comment
  RSA656159  Clarkia purpurea subsp. quadrivulnera Joseph M. Keefe 1977-6-11 22151 Los Angeles Verdugo Mountains: Trail to Water Caves, south fork of Engleheard Canyon, one km south of Camp Max Straus, Glendale. 427 Comment
  RSA448334  Clarkia rhomboidea Anstruther Davidson 1892-6-14 s.n. Los Angeles Wilson's Peak. Comment
  RSA561606  Clarkia unguiculata Steve Boyd, Orlando Mistretta 1993-5-18 8154 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tuhunga Ranger District of the Angeles National Forest. Upper Sombrero Canyon, just below western end of Sombrero Road (3N64). 792 Comment
  SD41995  Clarkia unguiculata Darley F. Howe 1947-5-4 Los Angeles Mint Canyon Comment
  UC1870247  Clarkia unguiculata LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1095 Los Angeles Transverse Ranges; Verdugo Mountains region; North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. Follow a ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge. Tributary is north of the 210 freeway. South of ... 457 Comment
  UC930697  Clarkia unguiculata Ira W. Clokey, B. Templeton May 1929 4540 Los Angeles Mandeville Canyon Santa Monica Mountains 350 Comment
  UCSB45462  Clarkia unguiculata Batson, J. 1979-5-25 Los Angeles 8 miles southwest of the junction of Highway 101 and Westlake Boulevard on Highway 23 426 Comment
  RSA73344  Clarkia xantiana subsp. parviflora F. W. Peirson 1923-5-27 3535 Los Angeles small canyon on Pinyon Ridge, Rock Creek, north slope of San Gabriel Mountains 1296 Comment
  RSA0059526  Claytonia gabrielensis subsp. gabrielensis J. M. Miller, Dan Louma 1977-5-10 687 Los Angeles N side of Sawmill Mountain; Lower Shake Creek Campground. 1220 Comment
  RSA613726  Claytonia parviflora subsp. utahensis L. C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mountains: North of Mill Canyon off Soledad Canyon near Ravenna. 716 Comment
  UCR16570  Claytonia perfoliata Karl Bernhard 1967-5-13 s.n. Los Angeles San Gabriel Mtns., County road N3; [vicinity of Lucas Creek] 5 miles from turnoff from Angeles Crest Highway 1067 Comment
  UCR96142  Claytonia perfoliata B. G. Pitzer 1996-4-21 2711 Los Angeles Western Mojave Desert, Antelope Valley. north side of State Hwy 138 (= Ave. 'D'), c. 2 mi. west of Country Store, at town of Neenach (c. 30 mi. west of Hwy I-14). 915 Comment
  RSA190985  Claytonia perfoliata subsp. mexicana R. F. Thorne, Reed Rollins, D. Propst, R. Carolin 1967-3-18 36755 Los Angeles In Bulrush Canyon, Santa Catalina Island. 244 Comment
  SBBG69761  Claytonia perfoliata subsp. perfoliata M. N. Ackley -May-1923 784 Los Angeles New Verdugo Park, Glendale 304 Comment
  RSA724608  Clematis lasiantha K. Dobry 1991-5-2 566 Los Angeles West San Gabriel Mts at Elsmere Cyn Comment
  SDSU9998  Clematis lasiantha J. Godsil 1953-3-15 591 Los Angeles Baseline road, north-west of Claremont. 366 Comment
  SFV16165  Clematis lasiantha P. A. Krueger 1994-5-14 27 Los Angeles San Gabriel Mountains 1.5 miles west on 2N23 from Newcomb's Saddle._x000B_ 900 Comment
  RSA587087  Clematis ligusticifolia Orlando Mistretta, S. D. Boyd 1995-5-23 1719 Los Angeles San Gabriel Mountains. Bare Mountain Canyon. W side tributary drainage NE of Pacifico Mtn. 1738 Comment
  LA207214  Clematis pauciflora Louis C. Wheeler; 1932-5-4 680 Los Angeles San Gabriel Wash 106 Comment
  RSA493815  Cnicus benedictus A. C. Sanders, Barbara Pitzer, B. Phillips, C. Sylber 1988-7-6 7987 Los Angeles SW part of the city of Lancaster, E side of 40th Street West at Ave. L-6. 747 Comment
  SEINET10842055  Cnicus benedictus David B. Dunn 1941-3-30 Dunn 992 Los Angeles Sparse grassy land 3 miles east of Banning. 2 miles west of Redlands by the railroad tracks. Comment
  RSA717213  Collinsia bartsiifolia var. davidsonii Scott D. White, Pam De Vries 2006-5-10 11432 Los Angeles SE Tehachapi Mtns: Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  SEINET10307725 Image available Collinsia bartsiifolia var. davidsonii Steve D. Boyd, Lauren Raz 1997-4-16 9520 Los Angeles San Gabriel Mtns.; NW end of range, Peace Valley due south of the junction of Interstate 5 and Hwy 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service Road 8N01. 960 Comment
  RSA579427  Collinsia callosa Tim S. Ross 1994-5-31 7958 Los Angeles Pacifico Mountain: W slope. ca. 315 m WSW of the 7124-foot summit. 2085 Comment
  RSA0005989  Collinsia davidsonii Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA103939  Collinsia heterophylla Alice Eastwood 1906-5-27 28 Los Angeles Garvanza Comment
  UC26574  Collinsia heterophylla Harley P. Chandler May 1898 Los Angeles Claremont Comment
  UC557801  Collinsia heterophylla Nell Murbarger Mar 1936 18 Los Angeles e side of San Clemente Island San Clemente Island Comment
  UCR271490  Collinsia heterophylla R. G. Swinney 2011-5-3 14556 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  OBI60241  Collinsia heterophylla John Liu 1994-4-22 3 Los Angeles Santa Monica Mts, Calabassas, 1.0 mi on Stunt Rd from jct with Mulholland hwy 300 Comment
  POM7647  Collinsia heterophylla C. F. Baker 1904-5-6 4747 Los Angeles Hills near Pomona Comment
  UCR99360  Collinsia parryi Steve Boyd, Lauren Raz 1997-4-30 9628 Los Angeles Liebre Mountains, About the confluence of Bear Canyon & Pine Canyon, between the southern flank of Liebre Mountain & northern flank of Red Rock Mountain, SW of Gillette Mine 915 Comment
  UCD123690  Collinsia torreyi Leo Hitchcock 1928-5-26 s.n. Los Angeles Chula Vista Camp Ground, Mt. Pinos. 2438 Comment
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Dec 13 2015
  RSA412252  Collinsia torreyi var. wrightii Anstruther Davidson 1906-6-7 1489 Los Angeles Big Rock Creek. 2134 Comment
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May 14 2013
  UCD123704  Collinsia torreyi var. wrightii Robert F. Thorne; Larry DeBuhr 1974-6-28 44747 Los Angeles San Gabriel Mts., Angeles National Forest: Lily Springs area on slope of Mount Hawkins, drainage of South Fork Big Rock Creek. 2438 Comment
  RSA593426  Collomia grandiflora Steve Boyd, Mark Elvin, Victoria Jotikasthira 1996-6-25 8887 Los Angeles Liebre Mountains, along summit of Sawmill Mountain, west of Sawmill Camp and just north of 7N23. 1610 Comment
  SBBG127052  Colutea arborescens A. Parikh, N. Gale 2011-7-7 3544 Los Angeles Barley Flats, 4.3 km W of Shortcut Station, 1.1 km N of St Hwy 2; San Gabriel Mtns 1690 Comment
  SFV16410  Colutea arborescens J. H. Nishida, R. L. Allen, V. Coleman 1991-8-10 s. n. Los Angeles San Gabriel Mountains Bear Divide off of Little Tujunga Canyon. At west-bound entrance. 793 Comment
  UC1951123  Colutea arborescens Scott D. White, J. Wood, C. Huntley, J. Miner 2009-5-12 12688 Los Angeles SAN GABRIEL MOUNTAINS: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. USGS Pasadena 7.5' Quad. Comment
  HSC18593  Comarostaphylis diversifolia subsp. planifolia G. E. Anderson 1966-4-6 48 Los Angeles 1 mi. S of Topanga near Hwy. 27 Comment
  POM187889  Comarostaphylis diversifolia subsp. planifolia Katherine Kneen 1933-4-12 s.n. Los Angeles Santa Monica Mountains: Topango [Topanga] Canyon Comment
  LA32182  Conium maculatum Peter H. Raven; Henry J. Thompson 1959-9-27 14511 Los Angeles Santa Monica Mountains, Sepulveda Canyon, along Sepulveda Blvd 243 Comment
  SBBG31502  Constancea nevinii R. M. Beauchamp 1967-3-20 352 Los Angeles above beach rd between Avalon and Abalone Pt Comment
  CAS-BOT-BC285957  Conyza bonariensis George L. Moxley 1927-5-1 2009 Los Angeles Los Angeles Comment
  RSA749121  Conyza canadensis R. G. Swinney 2005-8-9 8405 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  POM355837  Conyza canadensis D. A. Young 1969-5-26 p 499 Los Angeles Along Brea Canyon Road, 3 miles from Orange county line 274 Comment
  UCR223302  Cordylanthus nevinii R. G. Swinney 2009-7-29 11426 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  JEPS6758  Cordylanthus rigidus subsp. setiger Frank W. Peirson 1918-9-15 255 A Los Angeles due e Tujunga (Sister Elsie Trail); San Gabriel Mts. 1219 Comment
  POM199538  Coreopsis bigelovii I. W. Clokey, B. C. Templeton 4520 Los Angeles Mandeville Canyon, Santa Monica Mtns 350 Comment
  RSA587603  Coreopsis bigelovii Orlando Mistretta, Steve Boyd, Darin Banks 1994-4-29 1146 Los Angeles Santiago Canyon. Near confluence with Little Rock Creek. 1067 Comment
  RSA599578  Coreopsis bigelovii Steve Boyd, Lauren Raz 1997-3-25 9305 Los Angeles Liebre Mountains region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch. 1097 Comment
  RSA688845  Coreopsis bigelovii Scott D. White, Michael Honer 2003-6-18 9555 Los Angeles Liebre Mountains: Canyon Country. Steep, actively eroding slopes immediately above homes and detention basins in tributary to west of Tick Canyon. 549 Comment
  RSA518000  Coreopsis californica Steve Boyd, Orlando Mistretta 1986-3-31 1525 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  RSA0070835  Coreopsis calliopsidea C. B. Wolf 1937-4-28 8522 Los Angeles Western Mojave Desert, Antelope Valley, 3.6 miles south of Palmdale. 854 Comment
  CHSC110165  Corethrogyne filaginifolia Scott Sundberg; Linda Hardison 1986-9-19 3272 Los Angeles Along Interstate 5, S of Newhall, 1.3 mile N of the turnoff to N14 to Palmdale. Comment
  POM356113  Corethrogyne filaginifolia F. R. Fosberg 1931-9-16 5682 Los Angeles Baldwin Hills. 50 Comment
  RSA0085029  Corethrogyne filaginifolia R. G. Swinney 2010-4-30 12447 Los Angeles Near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn. 537 Comment
  SBBG60552  Corethrogyne filaginifolia R. Hoffmann 1927-9-23 Los Angeles Neenach Comment
  UC63363  Corethrogyne filaginifolia Ernest Braunton 1902-8-1 646 Los Angeles Los Angeles Comment
  LA201171  Coronopus didymus Arthur C. Gibson; 2003-5-4 4703 Los Angeles 518 Comment
  CATA3168  Corymbia ficifolia Julia Parish, Margie Pfeffer 2016-6-23 003 Los Angeles Santa Catalina Island: Hogsback gate 152 Comment
  IRVC26661  Cotoneaster pannosus L. C. Wheeler 1966-10-25 9079 Los Angeles E. Waldo Ward's Grove, 0.25 mi. N of El Encanto, San Gabriel Canyon. San Gabriel Mtns. Comment
  UCR104193  Cotoneaster pannosus Scott D. White 1997-5-21 5201 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
  SEINET3146440  Cotula australis G. B. Grant 1905-4-3 224 Los Angeles Pasadena, S CA; Pacific Coast Comment
  RSA511312  Crassula tetragona A. C. Sanders 1988-5-18 7846 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Drive, & E of Vista Del Mar Blvd. 1 Comment
  RSA729880  Crepis acuminata subsp. acuminata R. G. Swinney 1998-9-7 6927 Los Angeles San Gabriel Mtns.: Dawson Peak Ridge Trail at far NE tributary of upper Fish Fork San Gabriel River, 1.3 mi. west of Dawson Peak 2524 Comment
  RSA595950  Cressa truxillensis Steve Boyd, Mark Elvin, Victoria Jotikasthira 1996-6-25 8875 Los Angeles Liebre Mountains, southeastern end of Peace Valley in San Andreas Rift Zone, fault sag south of Highway 138 and north of the California Aqueduct, ca. 0.75 air miles west of Quail Lake. 1006 Comment
  SBBG133410  Crocanthemum scoparium J. Dunn, J. Savage, J. Lambert 2003-8-1 Los Angeles first ridge on W side of Bryce, growing on E facing, rocky 50 deg slope 370 Comment
  SD28083  Crocanthemum scoparium var. vulgare Carl B. Wolf 1932-5-13 3625 Los Angeles Santa Catalina Island; 3.5 miles from Avalon on way to Isthmus. 365 Comment
  UC1929561  Crocanthemum scoparium var. vulgare V. Soza, LeRoy Gross 2001-5-14 1219 Los Angeles Transverse Ranges; San Gabriel Mountains region; Santa Anita 1999 Fire area, above Santa Anita Canyon, ca. 0.7 mile west of the Santa Anita Dam. 762 Comment
  POM19227  Crossosoma californicum P. A. Munz, Milton Smith 1923-4-11 6767 Los Angeles San Clemente Island, west coast below Hay Ranch Comment
  RSA661010  Crossosoma californicum Orlando Mistretta 1992-4-5 150 Los Angeles Guds, San Clemente Island. Comment
  HSC101376  Croton californicus R. G. Swinney 2008-12-4 9931 Los Angeles San Gabriel Mtns.: Azusa, mouth of San Gabriel Canyon, 1 mi. north of Foothill Blvd. 201 Comment
  LA30862  Croton californicus Jane Turner; Peter H. Raven, Barbara Whitesel 1959-3-15 C 164 Los Angeles Santa Monica Mountains, Point Dume Comment
  SBBG12798  Croton setiger E. R. Blakley 1962-10-3 5369 Los Angeles banks around Wrigley Reservoir at the summit of the island rd 426 Comment
  UC1259367  Crypsis vaginiflora Barry Hammel 1976-8-2 403 Los Angeles Little Rock Reservoir San Gabriel Mountains, Angeles National Forest 1036 Comment
  RSA515213  Cryptantha circumscissa Steve Boyd 1986-3-30 1511 Los Angeles Mojave Desert: Highway 18, 0.5 miles east of junction with Hwy 138, NE of Pinyon Hills. Comment
  UCR138547  Cryptantha circumscissa Steve Boyd, Orlando Mistretta 1986-3-31 1539 Los Angeles Mojave Desert, Hwy 138, 4 mi east of junction with Hwy 18, NE of Pinyon Hills Comment
  UCD119637  Cryptantha clevelandii Daryl Koutnik 1978-4-28 445 Los Angeles Cornell Corners, south of Agoura Road on Cornell Road. 304 Comment
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Oct 1 2018
  UCR143263  Cryptantha clevelandii var. florosa F. R. Fosberg 1931-3-24 S- 4351 Los Angeles Channel Islands, Hamilton's Canyon near Avalon, Santa Catalina Island 80 Comment
  IRVC26464  Cryptantha intermedia A. C. Sanders, Mark Elvin, et al. 2003-3-4 25697 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
  LA36516  Cryptantha intermedia Peter H. Raven; 1960-5-15 15370 Los Angeles SANTA MONICA MOUNTAINS, Piuma Road, 5.1 mi. NW of Rambla Pacifica. 213 Comment
  LA94302  Cryptantha intermedia Carl Epling; L. Ellison 1929-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  SBBG63749  Cryptantha intermedia M. N. Ackley -Mar-1927 35 Los Angeles Baldwin Hills 76 Comment
  UC56845  Cryptantha intermedia W. C. Blasdale Jun 1891 Los Angeles Santiago Canyon Comment
  UCR273128  Cryptantha intermedia R. G. Swinney 2011-5-6 14604 Los Angeles San Gabriel Mountains, north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road 854 Comment
  UCR71184  Cryptantha intermedia Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4382 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, third canyon south of Bryce Canyon 427 Comment
  RSA0016889  Cryptantha intermedia var. johnstonii O. W. Robinson 1916-3-21 s.n. Los Angeles Wash near Greek Theater, Claremont. Comment
  UCR194156  Cryptantha micrantha subsp. micrantha A. C. Sanders 2008-4-13 34881 Los Angeles Western Mojave Desert, Antelope Valley, Llano, 165th St. East, 0.3 mi. N of Hwy 138, 0.2 mi. S of Ave. 'V 955 Comment
  IRVC28850  Cryptantha micrantha var. lepida Mark A. Elvin, Cathleen Weigand 2003-4-7 2451 Los Angeles Newhall Ranch Commerce Center, S of Castaic Creek, N of SR 126 Santa Clarita Valley 297 Comment
  IRVC29584  Cryptantha micrantha var. lepida A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26195 Los Angeles Castaic Valley at west foot of Castaic Mesa, Newhall Ranch Western San Gabriel Mtns. 366 Comment
  LA94310  Cryptantha micromeres Carl Epling; 1925-5-15 sn Los Angeles Santa Monica Mountains, Griffith Park Comment
  IRVC26373  Cryptantha microstachys Anuja Parikh, Nathan Gale 2003-4-30 s.n. Los Angeles Castaic Junction, Newhall, SW of the junction of SR 126 and US 5, N of the Santa Clara River Santa Clarita Valley 305 Comment
  RSA191002  Cryptantha microstachys R. F. Thorne, James Henrickson 1963-5-5 32303 Los Angeles Open, burned-over ridge top, Cobal Canyon, foothills of San Gabriel Mts. 4 mi. North of Claremont 518 Comment
  SBBG133651  Cryptantha microstachys L. Gross, P. DeVries, O. Gasser 2015-4-7 6964 Los Angeles Arrastre Cyn, near Acton; started at the junction between Arrastre Cyn Rd and Moody Truck Trail; follow the crk and slope beyond where Moody Truck Trail crosses the crk, NE side slope only 807 Comment
  UCR95466  Cryptantha microstachys L. C. Wheeler 1967-4-30 9221 Los Angeles San Gabriel Mtns, Limekiln Canyon 564 Comment
  SFV6286  Cryptantha muricata M. H. Grayum, K. Felt 1974-5-22 s. n. Los Angeles Santa Susana Mountains Oat Mountain. Junction of Browns Canyon Road and main ridge road. 1059 Comment
  RSA499697  Cryptantha muricata F. R. Fosberg 1932-3-28 10619 Los Angeles San Pedro hills, Palos Verdes Estates. 50 Comment
  RSA0078885  Cryptantha muricata var. denticulata Wayne E. Sawyer 1981-8-11 127 Los Angeles San Gabriel Mountains: Crest trail above Lily Spring, ca. 0.25 mi. W of Mt. Hawkins. 2606 Comment
  RSA0079567  Cryptantha muricata var. jonesii Michael Denslow, Steve D. Boyd 2003-5-7 1084 Los Angeles San Gabriel Mountains region: Glendora Ridge Motorway (1N26) west of intersection with Glendora Mountain Road (2N08). 762 Comment
  UCR142972  Cryptantha muricata var. muricata T. S. Ross, Steve Boyd 1990-6-6 2854 Los Angeles Green Valley Pasture, in San Francisquito Canyon 1037 Comment
  UCR222753  Cryptantha nevadensis var. nevadensis R. G. Swinney 2009-4-29 10564 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
  UCR191732  Cryptantha nevadensis var. rigida A. C. Sanders 2008-4-23 35084 Los Angeles Transverse Range; western San Gabriel Mtns., upper Cow Spring Canyon 1140 Comment
  UCR203205  Cryptantha nevadensis var. rigida R. G. Swinney 2005-5-21 8246 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  UCR50724  Cryptantha oxygona L. F. LaPre 1988-5-14 s.n. Los Angeles Western Transverse Range, Lake Hughes, 16 mi west of Lancaster in the San Andreas Rift 1037 Comment
  RSA80746  Cryptantha oxygona A. J. Barton 1934-3-11 11104 Los Angeles Antelope Buttes, 14 miles west of Lancaster, Mojave Desert. Comment
  SD262229  Cryptantha pterocarya var. pterocarya R. G. Swinney 2014-5-7 16338 Los Angeles San Gabriel Mountains: east of Valyermo, east end of Holcomb Ridge, 0.35-0.45 miles north of Panorama Rd., 2.5 road miles east of Bob's Gap Road, in north-sough arroyo cutting through Holcomb Ridge (Valyermo 7.5'Q) 1280 Comment
  UCR282017  Cryptantha pterocarya var. pterocarya R. G. Swinney 2014-5-1 16314 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, east end of Holcomb Ridge, 2.2 road miles east of jct. of Bob's Gap Rd. and Panorama Rd., from base of ridge at Panorama Rd. to high point at 4519 ft. 1378 Comment
  RSA230675  Cryptantha simulans R. F. Thorne 1969-7-9 38509 Los Angeles Angeles National Forest: summit of Table Mountain above Big Pines Ranger Station 2134 Comment
  RSA774268  Cryptantha simulans R. G. Swinney 2009-6-8 11090 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UC146460  Cryptantha simulans LeRoy Abrams 1903-6-30 2578 Los Angeles Mt. Wilson Comment
  RSA650978  Cryptantha utahensis Marion P. Harthill 1977-3-19 s.n. Los Angeles Zzyzx. 304 Comment
  RSA0024548  Cryptantha wigginsii R. F. Thorne, M. Z. Thorne 1973-2-12 42470 Los Angeles Santa Catalina Island. N of Marine Science Station at Fisherman s Cove. 46 Comment
  POM156360  Cucurbita foetidissima L. R. Abrams 1902-6-10 s.n. Los Angeles Near Playa del Rey. Comment
  RSA394341  Cucurbita palmata Anstruther Davidson 1922-5-28 s.n. Los Angeles Mojave Desert. [County not specified: Los Angeles, San Bernardino or Kern.] Comment
  CAS-BOT-BC224480  Cuscuta californica I. M. Johnston 1917-8-22 1686 Los Angeles San Antonio Mountains. Pine Mt. 2438 Comment
  IRVC26332  Cuscuta californica A. C. Sanders, Andy Thompson 2003-4-15 25992 Los Angeles Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 396 Comment
  JEPS49768  Cycladenia humilis var. venusta Joseph Andorfer Ewan 1932-6-17 7237 Los Angeles summit Mt. Disappointment; San Gabriel Mts., Mt. Disappointment 1828 Comment
  CATA104  Cynodon dactylon Peter Henrikson 1987-4-23 77 Los Angeles Santa Catalina Island: Behind Ben Weston Beach 6 Comment
  UC1108612  Cynodon dactylon Huron H. Smith 1912-5-26 5003 Los Angeles Avalon Canyon Santa Catalina Isl.; , Avalon Canyon 30 Comment
  UCR180181  Cynodon dactylon R. G. Swinney 1989-4-6 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon, debris basin parking area 351 Comment
  RSA0013633  Cynosurus echinatus Orlando Mistretta, Jamie Reese 2011-7-28 6009 Los Angeles Along Rincon Red Box Road, on the divide between W Fork San Gabriel River Cyn and E fork Santa Anita Cyn, 0.75 air miles NW of Monrovia Peak. 1451 Comment
  UC57097  Cyperus esculentus Ernest Braunton Oct, 1902 723 Los Angeles Vernon (L.A. City) Comment
  RSA365109  Cyperus odoratus Anstruther Davidson 1917-09 3284 Los Angeles Los Angeles. Comment
  UC57101  Cyperus odoratus Ernest Braunton July 1902 578 Los Angeles L.A. River Comment
  JEPS48974  Cyperus squarrosus L. C. Wheeler 1933-10-12 2193 Los Angeles Crystal Lake San Gabriel Mountains 1706 Comment
  RSA0003227  Cystium pardalotum Anstruther Davidson 1893-5-12 s.n Los Angeles Lancaster. Comment
  UC1260174  Cystopteris fragilis Robert F. Thorne and Larry DeBuhr 1974-6-28 44754 Los Angeles n slope Mt. Hawkins (drainage of S Fork Big Rock Creek, Lily Springs area); San Gabriel Mts, Angeles Nat'l Forest 2438 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
  UCR256214  Datisca glomerata R. G. Swinney 2010-6-4 13029 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  UCR273231  Datisca glomerata R. G. Swinney 2011-10-18 15811 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
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Aug 24 2017
  UC1929323  Datura stramonium Scott D. White, Ed Kentner, Amanda Breen 2007-7-18 11759 Los Angeles Los Angeles Basin; Whittier Narrows Recreation Area- S of the 60 freeway and W of 605 freeway. ''Legg Lake'' 64 Comment
  RSA527807  Datura wrightii Tim S. Ross, Annette Ross 1991-6-3 5540 Los Angeles Elephant Hill: W Pomona. 287 Comment
  SBBG34796  Deinandra clementina S. A. Junak with M. L. Hoefs 1998-6-12 SCa 722 Los Angeles just W of N end of Catalina Harbor, just upslope from powerline 36 Comment
  SD51909  Deinandra clementina Peter H. Raven 1962-4-9 17152 Los Angeles San Clemente Island; near barracks, Wilson Cove. 60 Comment
  SD66869  Deinandra clementina R. Mitchel Beauchamp 1967-3-18 309 Los Angeles San Clemente Island; In field west of Wilson Cove. Comment
  CAS-BOT-BC9130  Delphinium cardinale LeRoy Abrams 1902-7-3 2647 Los Angeles Little Santa Anita Canyon, San Gabriel Mountains Comment
  UC1595397  Delphinium cardinale Tim Ross and Peter Fritsch 1990-6-20 3697 Los Angeles w side of canyon on Forest Service Rd 1N36 heading s from Rincon-Red Box Rd; San Gabriel Mountains, Van Tassel Canyon 472 Comment
  RSA307204  Delphinium cardinale Henry J. Ramsey, Henry J. Ramsey 1937-6-23 2066 Los Angeles North Craig Ave., Altadena. Comment
  RSA647955  Delphinium cardinale Michelle Manolovitz, Brian Manolovitz 1992-5-19 33 Los Angeles Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 0.5 miles northeast of park office. Comment
  RSA0014585  Delphinium parishii Orlando Mistretta, Christine Mistretta 2011-6-18 5715 Los Angeles Aliso Cyn drainage, E side of Gleason Cyn on Forest Rd. 4N24. 1508 Comment
  RSA0116693  Delphinium parishii R. G. Swinney 2011-4-19 14393 Los Angeles San Gabriel Mountains; San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  UCR151342  Delphinium parishii subsp. parishii LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 893 Los Angeles Transverse Ranges/San Gabriel Mtns region, Big Rock Creek, N and east of Valyermo Ranger Station off Big Pines Hwy 1143 Comment
  RSA624651  Delphinium parishii subsp. parishii Louis C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mountains: Mill Canyon off Soledad Canyon. 732 Comment
  SFV21045  Delphinium parryi L. Gross, V. Soza 2001-6-6 437 Los Angeles Verdugo Mountains North side of mountains. Wildwood Fire Road (now deserted and growing back) off of Verdugo Mountain Way dirt fire road. Down the road (north) from the crest, on north-facing slope. 488 Comment
  UCR87350  Delphinium parryi R. G. Swinney 1994-4-7 2840 Los Angeles San Gabriel Mountains, Glendora Wilderness Park, jct of Lower Monroe Mtwy & Mystic Canyon Trail 610 Comment
  UCR271477  Delphinium patens subsp. hepaticoideum R. G. Swinney 2011-5-3 14566 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  RSA0030012  Delphinium patens subsp. montanum Steve Boyd, Lauren Raz 1997-5-1 9656 Los Angeles Liebre Mountains Region: Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-southeast of Lincoln Crest, the head of Bouquet Canyon. 1463 Comment
  RSA582914  Delphinium variegatum subsp. thornei Mark A. Elvin, Gerry Allan, T. S. Ross, Jennifer Stone 1995-5-19 15 Los Angeles San Clemente Island. E side of island; North Fork of Canchalagua Canyon along seasonal creek. Comment
  CAS-BOT-BC82911  Dendromecon rigida F. A. Thackery 1928-5-13 355 Los Angeles Mulholland Drive. Comment
  RSA66283  Dendromecon rigida F. W. Peirson 1921-3-3 4320 Los Angeles Arroyo Seco, near Pasadena 351 Comment
  RSA433211  Dendromecon rigida subsp. rigida T. S. Clare 1929-5-28 s.n. Los Angeles Topanga Canyon. Comment
  RSA13813  Deschampsia danthonioides Victor Duran 1933-7-9 3507 Los Angeles Horse Flats, San Gabriel Mountains. 1677 Comment
  SD240806  Deschampsia danthonioides Dave Silverman, Jeff Jarvis & Colleen Martin 2010-5-20 8027 Los Angeles Antelope Valley, N of Lancaster, where Amargosa Creek jct of Sierra Nighway and Avenue E, ca. 150 m W of Hwy and just S of Ave E. 701 Comment
  UCR126547  Descurainia pinnata subsp. halictorum Anuja Parikh, Nathan Gale 2003-4-30 s.n. Los Angeles Santa Clarita Valley, Castaic Junction, Newhall, SW of the junction of SR 126 and US 5, north of the Santa Clara River 305 Comment
  RSA562303  Descurainia pinnata subsp. halictorum D. Charlton 1990-4-15 4192 a Los Angeles Kentucky Springs, Sierra Highway south of Palmdale 1036 Comment
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Aug 27 2011
  SFV1457  Descurainia pinnata subsp. menziesii M. L. Vincent 1962-2-19 135 Los Angeles Santa Monica Mountains Near Piuma Road, 5 miles east of Malibu Canyon Road. Comment
  UC1871141  Desmazeria rigida T. S. Ross, Janet Takara, M. Gay 1993-4-20 6826 Los Angeles Channel Islands; Santa Catalina Island; Indian Head Rock, SSW of & overlooking, Little Harbor; Santa Catalina North USGS 7.5' quad; near 33 deg. 22'46''N, 118 deg. 28'41''W; elev. ca 260 ft. 79 Comment
  RSA0053868  Dicentra chrysantha R. G. Swinney 2010-4-20 12296 Los Angeles San Gabriel Mountains; Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA660131  Dicentra chrysantha Orlando Mistretta 1992-6-12 541 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  UCR204839  Dicentra chrysantha R. G. Swinney 2005-8-11 8457 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  SEINET10559932  Dichanthelium acuminatum var. acuminatum Louis C. Wheeler 1933-9-26 Wheeler 2125 Los Angeles Wet sunny sandy river bed; San Gabriel Canyon, San Gabriel Mts. 335 Comment
  RSA0110891  Dichelostemma capitatum R. G. Swinney 2011-5-6 14617 Los Angeles San Gabriel Mountains: north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road. 793 Comment
  RSA598200  Dichelostemma capitatum Steve Boyd, Lauren Raz 1997-3-4 9140 Los Angeles Liebre Mountains region, southern base of the Sierra Pelona Ridge, Crown Valley just northwest of Governor Mine, ca 0.8 mi north of Sierra Highway along Crown Valley Road, disturbed and graded area associated with high-tension power lines. 987 Comment
  UCR209492  Dichelostemma capitatum R. G. Swinney 2008-6-17 9046 Los Angeles San Gabriel Mountains, Pinyon Ridge, 4.4 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway, 1.6 mi. west of peak 6535 1952 Comment
  UCR281621  Dichelostemma capitatum subsp. capitatum R. G. Swinney 2014-5-19 16582 Los Angeles San Gabriel Mountains, Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Motorway 515 Comment
  CAS-BOT-BC224615  Dichondra occidentalis Robert F. Thorne; P. Everett 1965-6-24 35020 Los Angeles Santa Catalina Island: Rancho Escondido, Escondido Canyon 213 Comment
  RSA752344  Digitaria ischaemum Justin M. Wood 2009-7-25 1161 Los Angeles Private residence on Ramona Ave, just SE of intersection of Arrow Highway and Mills Ave. 351 Comment
  JEPS97565  Digitaria sanguinalis R. D. Stone 1980-9-11 293 Los Angeles Orchards near Grand Ave., Claremont Comment
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Mar 13 2011
  SEINET181921  Diplacus brevipes Ira W. Clokey, B. Templeton 1929-1 4519 Los Angeles Mandeville Canyon, Santa Monica Mts 350 Comment
  CAS-BOT-BC152893  Diplacus brevipes Moxley 1914-5-30 221 Los Angeles San Rafael Hills Comment
  CAS-BOT-BC152899  Diplacus brevipes Grant 1901-4-7 3770 Los Angeles Near Laurel [Canon] Canyon Comment
  CAS-BOT-BC150671  Diplacus longiflorus Timothy S. Ross; Steve Boyd 1994-6-22 8018 Los Angeles Warm Springs Canyon: 0.5 road mi W of Lake Hughes Road along Forest Service road 6N32 658 Comment
  CAS-BOT-BC150630  Diplacus rutilus Carl B. Wolf 1936-4-24 7773 Los Angeles Base of Santa Susana Pass 365 Comment
  CAS-BOT-BC195607  Distichlis spicata W. A. Silveus 1938-6-19 3692 Los Angeles Long Beach Comment
  CAS-BOT-BC195621  Distichlis spicata 1902-6-20 s.n. Los Angeles Redondo Comment
  CAS-BOT-BC195622  Distichlis spicata W. A. Silveus 1938-6-19 3696 Los Angeles Long Beach Comment
  SBBG80118  Distichlis spicata F. R. Fosberg 1931-5-14 4871 Los Angeles Middle Ranch Cyn near mouth of Cape Cyn Comment
  SEINET10558210  Distichlis spicata var. stolonifera Delzie Demaree 1933-4-30 Demaree 10369 Los Angeles Old fields near dunes, Playa del Rey. Comment
  RSA0008593  Dithyrea maritima Jack Rempel 1932-4-10 15272 Los Angeles El Segundo. Comment
  UCSB41745  Dodecatheon clevelandii Muth, Allan 1971-3-22 Los Angeles Puddlngstone Reservoir, San Dimas Ave. 335 Comment
  UC22363  Dodecatheon clevelandii subsp. clevelandii J. H. Barber 1897-1-24 28 Los Angeles Santa Monica Mts. Santa Monica Mts. (Southern California) Comment
  SBBG38688  Dodecatheon clevelandii subsp. insulare R. Moran 1941-2-16 571 Los Angeles Middle Ranch 500 Comment
  UC877534  Dodecatheon clevelandii subsp. insulare F. R. Fosberg 1931-3-25 S 4361 Los Angeles Hamilton Canyon Santa Catalina Island, Hamilton Canyon 130 Comment
  JEPS22780  Drymocallis cuneifolia var. ewanii Rimo Bacigalupi with Reino Alava 1958-7-20 6437 Los Angeles along Angeles Crest Highway (Calif. No. 2) one-half mi se Dawson Saddle (headwaters of Dorr Canyon, n slopes of Throop Peak, San Gabriel Mts.); San Gabriel Mts., headwaters of Dorr Canyon, Throop Pk 2377 Comment
  RSA191162  Drymocallis glandulosa Robert F. Thorne, M. Z. Thorne 1967-7-19 37163 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Cienega Springs, above Crystal Lake Recreation Area. 1982 Comment
  UCR99434  Drymocallis glandulosa var. reflexa R. G. Swinney 1995-9-4 4499 Los Angeles San Gabriel Mtns., meadow at Big Pines, west of Wrightwood, SW of Hwy 2 2061 Comment
  CAS-BOT-BC536113  Drymocallis glandulosa var. reflexa LeRoy Abrams 1902-6-30 2585 Los Angeles Strains camp, Mt. Wilson Comment
  LA200090  Dryopteris arguta Lawrence L. Kiefer; 1966-3-12 1705 Los Angeles SANTA MONICA MOUNTAINS, Cold Creek Rd. S of Mulholland Hwy, just N of Cold Creek and E of road. 304 Comment
  LA200098  Dryopteris arguta Lawrence L. Kiefer; 1966-3-12 1681 Los Angeles SANTA MONICA MOUNTAINS, Zuma Canyon, E-fork, ca 0.75 mi S of Calamigos. 487 Comment
  LA94247  Dryopteris arguta Lawrence L. Kiefer; 1966-3-27 1807 Los Angeles Santa Monica Mountains, Temescal Canyon, ca. 3 mi above Sunset Blvd 274 Comment
  RSA654360  Dryopteris arguta Valerie L. Soza, Ileene Anderson, LeRoy Gross 2000-6-6 989 Los Angeles Verdugo Mountains, southwest side: Along Verdugo Mtwy, E of junction with Stough Canyon Mtwy, above Stough Canyon, NE side of peak ''2646''. 762 Comment
  RSA670681  Dudleya cymosa B. C. Templeton 1947-5-21 6278 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  RSA679295  Dudleya cymosa subsp. cymosa Mark Elvin, Anne Marie Ruff 1996-8-1 295 Los Angeles San Gabriel Mtns. Angeles National Forest. Glendora Ridge Road (gate). South side of road on curve. Comment
  RSA602444  Dudleya cymosa subsp. pumila Scott D. White 1997-5-8 5077 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below Morris Dam. 244 Comment
  UCR238651  Dudleya cymosa subsp. pumila Anuja Parikh, Nathan Gale 2010-6-29 3377 Los Angeles Transverse Range; San Gabriel Mountains, West Fork San Gabriel River, 3.6 km east of Cogswell Dam, just south of Devil's Canyon Dam Truck Trail 620 Comment
  SD127262  Dudleya elongata Reid Moran 1975-5-27 19141 Los Angeles At base of S slope, seabluffs, E of Point Vicente 4 Comment
  RSA733555  Dudleya lanceolata R. G. Swinney 1998-8-21 6779 Los Angeles Cow Canyon, c. 0.5 air mi. due west of Cow Canyon Saddle. 1073 Comment
  RSA397770  Dudleya lanceolata Elizabeth A. White 1928-04 s.n. Los Angeles El Segundo Comment
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Jun 14 2012
  RSA681149  Dudleya lanceolata LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1032 Los Angeles South side of mountains:Along road across from Brand Canyon Debris Basin, at mouth of Brand Canyon. 262 Comment
  UCD98554  Dysphania ambrosioides Francis Ball 1948-5-15 s.n. Los Angeles Alley behind 3601 Jasmine Ave., Los Angeles 34. Comment
  CHSC95447  Echinochloa crus-galli LeRoy Gross; Wayne Law 2000-8-8 252 Los Angeles Big Tujunga Wash/Verdugo Mountains Region: East of Hansen Dam, entered at Orcas Ave. parked at Orcas Park, hiked east of this park along river (just north of Wentworth Street), but not as far as the Tujunga ponds. 324 Comment
  UCR223490  Echinodorus berteroi R. G. Swinney 2009-7-1 11295 Los Angeles Transverse Range; San Gabriel Mtns., Puddingstone Diversion Dam, San Dimas Canyon 354 Comment
  UCR205673  Eclipta prostrata A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36977 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  SEINET3929120  Ehrharta calycina Valerie Soza, Leroy Gross 1999-5-11 466 Los Angeles San Gabriel Mountains. San Dimas Experimental Forest, southwest of Johnstone Peak, east side of junction of Sycamore Flat Motorway and Bluebird Motorway.; 0 869 Comment
  UCR205743  Ehrharta erecta A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36971 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  RSA611847  Elatine chilensis Steve Boyd, Valerie Soza 1998-4-28 10165 Los Angeles Liebre Mountains region: Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon. 536 Comment
  RSA781237  Elymus elymoides R. G. Swinney 2009-5-13 10780 Los Angeles upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1122 Comment
  POM365342  Elymus glaucus F. R. Fosberg 1931-7-12 S- 4853 Los Angeles Hay Press, Santa Catalina Island. Comment
  RSA230745  Elymus glaucus subsp. glaucus R. F. Thorne, M. Z. Thorne 1969-7-9 38508 Los Angeles San Gabriel Mountains, Angeles National Forest: summit of Table Mt. 2133 Comment
  UCR271251  Elymus glaucus subsp. glaucus R. G. Swinney 2011-6-1 14973 Los Angeles San Gabriel Mountains, north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes 1256 Comment
  RSA0127377  Elymus glaucus subsp. glaucus Louis C. Wheeler 1967-7-20 10134 Los Angeles Aliso Canyon. 1067 Comment
  UCR264435  Elymus multiflorus Michael Honer, Rachel Woodard 2006-4-26 2231 Los Angeles Tehachapi Mountains area, C. 1 mile NE of Quail Lake; 1/2 mi. east of aqueduct and 1.5 mi. north of Hwy 138 1006 Comment
  POM50637  Elymus multisetus A. D. E. Elmer 1902-06 3644 Los Angeles Acton, Mt. Gleason Comment
  IRVC29113  Emmenanthe penduliflora A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26137 Los Angeles Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam Western San Gabriel Mtns. 488 Comment
  RSA401551  Emmenanthe penduliflora Bonnie C. Templeton 1931-4-12 s.n. Los Angeles Mandeville Canyon 200 Comment
  RSA781010  Encelia actoni R. G. Swinney 2009-5-13 10769 Los Angeles upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1122 Comment
  SEINET10615744 Image available Encelia actoni Adolph D. E. Elmer Elmer 3724 Los Angeles Comment
  CAS-BOT-BC131198  Encelia californica W. R. Dudley 1895-1-4 s.n. Los Angeles At San Pedro Comment
  CAS-BOT-BC131210  Encelia californica Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-7 4256 Los Angeles San Clemente Island. Lower half of China Cyn, S end of island, W side Comment
  RSA661028  Encelia californica Orlando Mistretta 1992-4-5 171 Los Angeles Guds, San Clemente Island. Comment
  UCSC001470  Encelia frutescens Peter Kamb 1948-5-6 972 Los Angeles Desert foothills of the San Gabriel Mts. above Little Rock. San Gabriel Mts., Little Rock 975 Comment
  RSA383905  Ephedra nevadensis Robert Gustafson, Christopher Davidson 1977-4-20 424 Los Angeles Fort Tejon Road, south of Littlerock, about 1.5 miles east of the junction with 82nd St. 976 Comment
  OBI6200  Ephedra viridis Shirley Vaughan 1974-5-11 5 Los Angeles At 10th St. E and Kettering St, Lancaster, Ca 718 Comment
  SBBG89562  Ephedra viridis J. Adams 1964-5-1 33 Los Angeles just S of town of Valyermo 1280 Comment
  UC1134409  Ephedra viridis A. Lewis 1933-4-20 186 Los Angeles 1.5 mi s Palmdale; Elizabeth Lake Quad. 853 Comment
  CAS-BOT-BC166194  Epilobium canum subsp. canum L. R. Abrams 1901-8-21 2190 Los Angeles Santa Monica [Canon] Canyon Comment
  RSA588394  Epilobium canum subsp. canum Geo. L. Moxley 1917-10-5 s.n. Los Angeles Hills near Eagle Rock Comment
  RSA592649  Epilobium canum subsp. canum Mark Hoefs 1973-7-14 380 Los Angeles Santa Catalina: just east of Wrigley Botanic garden; upper Avalon Canyon. 107 Comment
  UC64602  Epilobium canum subsp. canum T. S. Brandegee 1894-8-25 Los Angeles San Clemente Island 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
  UCR210222  Epilobium ciliatum R. G. Swinney 2008-8-14 9430 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek at South Fork Campground Spring 1402 Comment
  UCR48934  Epilobium ciliatum A. C. Sanders 1987-7-22 7164 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  RSA279021  Epilobium ciliatum subsp. ciliatum Robert F. Thorne, C. W. Tilforth 1971-4-9 41554 Los Angeles Angeles National Forest; or near entrance thereto and below entrance to wooded area of San Dimas Canyon along San Dimas Creek. 381 Comment
  UCR113664  Epilobium ciliatum subsp. ciliatum L. C. Wheeler 1968-6-14 s.n. Los Angeles Transverse Range; San Gabriel Mtns., Spring on north side of Blue Ridge by Guffy Camp Comment
  UCR270233  Epilobium ciliatum subsp. ciliatum R. G. Swinney 2011-6-30 15396 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA761149  Epilobium densiflorum R. G. Swinney 2008-10-10 9562 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  RSA733590  Epipactis gigantea Richard G. Swinney 1998-7-24 6558 Los Angeles San Gabriel Mtns.: Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge 2200 Comment
  UCSB33660  Epipactis gigantea Griesel, Wesley 1962-4-17 Los Angeles Millard Canyon; San Gabriel Mts 548 Comment
  RSA617454  Equisetum laevigatum L. C. Wheeler 1968-7-3 s.n. Los Angeles North side of Bichota Canyon, east of heliport 1402 Comment
  UCR125638  Eragrostis lehmanniana A. C. Sanders 2003-5-26 25861 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
  POM352260  Eragrostis mexicana subsp. mexicana Geo. L. Moxley 1919-3-29 683 Los Angeles 39th Street near Compton Ave Comment
  CAS-BOT-BC284132  Eragrostis pectinacea var. pectinacea Ernest C. Twisselmann 1970-10-17 17546 Los Angeles Antelope Valley, Gorman Highway 5 miles west of Highway 14, Mojave Desert 1005 Comment
  RSA0034385  Eremogone macradenia var. arcuifolia Orlando Mistretta 1994-5-23 1252 Los Angeles San Gabriel Mountains: Little Rock Creek. drainage E of creek and N of Forest Rd. 4N15. 1402 Comment
  JEPS69007  Eriastrum densifolium Frank W. Peirson 1919-6-18 482 Los Angeles Rock Creek San Gabriel Mountains 1295 Comment
  RSA0105542  Eriastrum densifolium subsp. austromontanum Thekla Mohr s.n. Los Angeles Sister Elsie trail to sister Elsie Peak, SW San Gabriel Mtns. Comment
  RSA0107962  Eriastrum densifolium subsp. elongatum Scott D. White, Pam De Vries 1998-6-23 6754 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
  IRVC28918  Eriastrum densifolium subsp. mohavense Karlin G. Marsh 1990-6-12 s.n. Los Angeles Santa Clara River, "Canyon Country". Transverse Ranges 451 Comment
  RSA0123054  Eriastrum sapphirinum subsp. brevibracteatum P. A. Munz 1923-9-1 7724 Los Angeles Swartout Valley, San Antonio Mtns. 1829 Comment
  UCR152904  Ericameria cooperi A. C. Sanders, Helen Kennedy 2005-4-13 29425 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA0076960  Ericameria linearifolia R. G. Swinney 2010-5-19 12820 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
  RSA777530  Ericameria linearifolia R. G. Swinney 2009-5-20 10822 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge. 1433 Comment
  UCR239958  Ericameria nauseosa R. G. Swinney 2009-11-16 11649 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, Big Rock Wash, 1.2 miles south of Pallett Creek Rd. & Valyermo Rd. junction, 50 m west of Valyermo Rd. 1079 Comment
  HSC81280  Ericameria nauseosa var. bernardina F. R. Fosberg, Joseph A. Ewan 1931-8-11 Los Angeles Islip Trail, Mt. Hawkins; San Gabriel Mtns. 1950 Comment
  UC1119854  Ericameria nauseosa var. bernardina H. S. Yates 1936-8-28 6364 Los Angeles Big Pine Park San Antonio Quad. 1981 Comment
  RSA735586  Ericameria parishii K. Palenscar 2007-08 s.n. Los Angeles Peninsular Ranges, Chino Puente Hills region, in the City of Walnut, near the San Jose Hills, just N of the intersection of Breas River road, and Amar road. 262 Comment
  LA202514  Ericameria pinifolia Louis C. Wheeler; 1931-10-17 260 Los Angeles San Gabriel Mountains, Thompson Creek Wash 411 Comment
  POM294271  Ericameria pinifolia Lyman Benson 1944-11-12 11557 Los Angeles San Jose Hills, north shore of Puddingstone Lake, San Dimas 305 Comment
  OBI26285  Erigeron canadensis Mark Schneider 1974-1-8 s.n. Los Angeles Pierce College Hort. Unit 244 Comment
  CAS-BOT-BC296180  Erigeron foliosus var. foliosus F. W. Peirson 1920-5-12 231 Los Angeles San Gabriel Wash near Foothill Boulevard 182 Comment
  POM357476  Erigeron foliosus var. foliosus Fordyce Grinnell Jr. 1910-7-22 s.n. Los Angeles Switzer's Camp 915 Comment
  UC126585  Erigeron foliosus var. foliosus H. M. and G. R. Hall 1908-7-5 8335 Los Angeles Neenach Antelope Valley, Neenach Comment
  CAS-BOT-BC295960  Erigeron philadelphicus I. Johnston 1917-5-13 1020 Los Angeles El Monte 83 Comment
  UC1871047  Eriodictyon crassifolium var. nigrescens Tim Ross, Steve Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3922 Los Angeles Liebre Mountain: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. 1487 Comment
  CAS-BOT-BC188964  Eriodictyon parryi Alice Eastwood 1919-6-20 9012 Los Angeles Mount Wilson Comment
  RSA455104  Eriodictyon traskiae F. R. Fosberg 1931-5-6 4790 Los Angeles Cape Canyon, Santa Catalina Island. 250 Comment
  UC1211015  Eriodictyon traskiae Huron H. Smith 1912-6-12 5098 Los Angeles South End Mts. , South End Mts. (Santa Catalina Isl.) 365 Comment
  POM3877  Eriodictyon trichocalyx L W Case 1907-6-20 s.n. Los Angeles Claremont. 366 Comment
  SD146247  Eriodictyon trichocalyx A. C. Sanders, D. Malueg 1998-6-24 22077 Los Angeles San Gabriel Mountains: 2 miles E of Mt Gleason at Little Gleason Forestry Plantation, on S. Cal. Edison Mesa-Vicent transmission line at tower 7-2 (Acton 7.5'Q) 1707 Comment
  POM158209  Eriogonum baileyi var. baileyi P. A. Munz, I. M. Johnston 1928-9-4 11175 Los Angeles San Gabriel Mountains: Rock Creek 1159 Comment
  SBBG65250  Eriogonum baileyi var. baileyi R. Hoffmann 1927-6-14 Los Angeles Palmdale Comment
  RSA393103  Eriogonum brachyanthum L. E. Hoffman 1931-11-28 s.n. Los Angeles Mohave Desert, NW Little Rock Creek 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
  RSA393146  Eriogonum cinereum Ora M. Clark 1928-10-21 1220 Los Angeles Topango [Topanga] Canyon. Comment
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May 29 2014
  UCR119048  Eriogonum cinereum Jeremiah George 2000-9-21 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
  UC1348956  Eriogonum clavatum J. Massey and J. Henrickson 1966-4-9 1177 Los Angeles 1 mi sw Piute Butte; Mojave Desert Comment
  CAS-BOT-BC242774  Eriogonum davidsonii Le Roy Abrams 1901-7-1 1889 Los Angeles West Fork of San Gabriel Riv. Comment
  UCR209866  Eriogonum davidsonii R. G. Swinney 2008-7-15 9194 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  UCR220253  Eriogonum davidsonii R. G. Swinney 2009-4-28 10511 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  RSA393514  Eriogonum fasciculatum T. S. Clare 1929-3-10 s.n. Los Angeles Topanga Canyon. Comment
  UCR155594  Eriogonum fasciculatum A. C. Sanders, Helen Kennedy 2005-4-13 29453 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  SEINET11930595  Eriogonum fasciculatum D. P. Reagan 1974-1 4 Los Angeles Cherry Canyon, approx 5 mi N of Castaic Comment
  CAS-BOT-BC253260  Eriogonum fasciculatum var. foliolosum W. R. Dudley 1907-12-8 s.n. Los Angeles Sawpit Canyon near Monrovia Comment
  CHSC92813  Eriogonum fasciculatum var. foliolosum John Dittes 2006-1-2 1311 Los Angeles Transverse Ranges; San Gabriel Mtns.; Big Tujunga Cyn; ca. 3.2 air-miles SW of Gold Cyn Saddle, 1.3 airmiles NE of intersection of Sunland Blvd and 210 Fwy, 1.1 air-mile NW of Verdugo Hills Highschool; near Oro Vista Ave where it crosses Big Tujunga Creek; edge of floodplain of Big Tujunga Creek. 393 Comment
  IRVC26644  Eriogonum fasciculatum var. foliolosum L. C. Wheeler 1968-7-22 s.n. Los Angeles Devil's Canyon San Gabriel Mountains 1433 Comment
  RSA657963  Eriogonum fasciculatum var. foliolosum S. Campbell 1980-6-4 41 Los Angeles Verdugo Mountains: Eastern slope of Verdugo Mountains on hill between Wabasso Way and Opechee Way. 267 Comment
  RSA766096  Eriogonum fasciculatum var. foliolosum Joseph A. Ewan, Nesta Ewan 1936-8-5 9937 Los Angeles Mescal Creek. 1463 Comment
  SEINET7848305  Eriogonum giganteum subsp. formosum Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-22 22672 Los Angeles Channel Islands; east side 1 mile south of Wilsons Cove, San Clemente Island 50 Comment
  SD66861  Eriogonum giganteum var. formosum R. Mitchell Beauchamp 1967-3-17 256 Los Angeles edge of sea bluff, east of Date 2, San Clemente Island Comment
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Jun 18 2014
  SD92021  Eriogonum giganteum var. formosum Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-23 22686 Los Angeles on cliffs, west fork of Red Rock canyon, San Clemente Island 259 Comment
  NY201959  Eriogonum giganteum var. giganteum J. B. Walker 1995-4-8 1334 Los Angeles Santa Catalina Island, 4km N of Avalon, along paved road 100 Comment
  POM243811  Eriogonum giganteum var. giganteum F. R. Fosberg 1931-7-14 S 5407 Los Angeles Santa Catalina Island. 5 Comment
  UC72023  Eriogonum gracile Miss E. D. Palmer 1904-10-5 Los Angeles Highland Park Los Angeles, Highland Park Comment
  RSA620020  Eriogonum gracile var. gracile LeRoy Gross 1998-12-20 104 Los Angeles San Gabriels Mountains.: Henninger Flats. 915 Comment
  CAS-BOT-BC252233  Eriogonum grande var. grande G. B. Grant 1906-9-1 7169 Los Angeles Catalina Is. Comment
  CATA2006  Eriogonum grande var. grande Steven A. Junak, Mark Hoefs, Keri Kirkland 1997-11-14 480 Los Angeles Santa Catalina Island: W end of beach at Emerald Bay 6 Comment
  RSA747581  Eriogonum heermannii R. G. Swinney 2005-8-11 8449 Los Angeles Big Rock Creek at Paradise Springs. 1439 Comment
  UC545888  Eriogonum heermannii var. heermannii Carl B. Wolf 1932-10-21 4363 Los Angeles 1/8 mi below Big Rock Ranger Station; San Gabriel Mts., Big Rock Creel 1066 Comment
  CAS-BOT-BC261221  Eriogonum hirtiflorum Joseph Andorfer Ewan 1932-2-4 7366 Los Angeles 1/4 mi. above North Fork Campground on North Fork Tujunga Creek, San Gabriel Mts. 914 Comment
  CAS-BOT-BC261222  Eriogonum hirtiflorum Joseph Andorfer Ewan; A. Nesta Dunn 1933-7-23 7830 Los Angeles Trail from Barley Flats to Tujunga Creek, San Gabriel Mts. 1371 Comment
  JEPS56812  Eriogonum kennedyi var. alpigenum Joseph Andorfer Ewan and Nesta Ewan 1936-8-13 10038 Los Angeles North Baldy San Gabriel Mts., North Baldy 2834 Comment
  CAS-BOT-BC268780  Eriogonum mohavense A. D. E. Elmer 1902-6-1 3651 Los Angeles Lancaster Comment
  RSA214739  Eriogonum mohavense Victor Duran 1933-5-23 3416 Los Angeles near Lancaster Comment
  SBBG12764  Eriogonum mohavense R. Hoffmann 1925-5-17 Los Angeles Antelope Valley Comment
  RSA747269  Eriogonum nudum R. G. Swinney 2005-8-26 8530 Los Angeles San Gabriel Mountains: Devil's Punchbowl County Park, peak 6374 c. 1/2 mi. SW of Devil's Chair. 1933 Comment
  RSA680322  Eriogonum ordii Michael Honer, Dylan Hannon 2003-7-2 1843 Los Angeles Liebre Mts: Unnamed tributary to Tick Canyon, ca. 1.5 mi N of the Santa Clara River channel. 567 Comment
  RSA783172  Eriogonum parishii Elizabeth A. Kempton, Steve Boyd, Valentin Arvizu 2006-6-17 399 Los Angeles Road 7N23, Liebre Mountains 1501 Comment
  RSA489249  Eriogonum parishii James L. Reveal, R. Broome 1987-6-25 6577 Los Angeles San Gabriel Mountains: along Angeles Crest Highway (California Hwy 2) at milepost 68.0, 4.3 miles east of junction of California Hwy 39 and 1.8 mile south of Dawson Saddle 2287 Comment
  CAS-BOT-BC257757  Eriogonum parvifolium S. B. Parish; W. F. Parish 1881-10-1 1113 Los Angeles Santa Monica Comment
  UCR45041  Eriogonum parvifolium A. C. Sanders 1986-7-30 6826 Los Angeles Pacific Slope, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr., east of Vista Del Mar Blvd 31 Comment
  RSA393063  Eriogonum parvifolium var. parvifolium L. E. Hoffman 1931-6-18 s.n. Los Angeles Hermosa Beach Comment
  SBBG15277  Eriogonum saxatile H. and M. Dearing 1944-10-5 5900 Los Angeles Chilao Comment
  CAS-BOT-BC267578  Eriogonum saxatile Noel H. Holmgren; James L. Reveal 1966-5-29 2611 Los Angeles Ridge east of Mt. Gleason, 2.7 road miles west of Mill Creek summit, San Gabriel Mountains 1767 Comment
  UCR190353  Eriogonum umbellatum R. G. Swinney 2001-6-16 7969 Los Angeles San Gabriel Mtns., Juniper Hills, north side of Pleasant View Ridge, secondary ridge between Miller and McClure canyons 1951 Comment
  CHSC112546  Eriogonum umbellatum var. minus Duncan S. Bell; Caitlin Elam 2013-8-1 5552 Los Angeles Transverse Ranges; San Gabriel Mountains region: Sheep Mountain Wilderness; south side of Prairie Fork; Pine Mountain Ridge; above Columbine Spring. 2312 Comment
  UCSB22030  Eriogonum umbellatum var. minus Wilken, Dieter 1968-7-9 Los Angeles Ridge south of Dawson Saddle along trail to Throop Peak; San Gabriel Mtns 2468 Comment
  CAS-BOT-BC268206  Eriogonum umbellatum var. munzii Chester Dudley 1931-7-1 s.n. Los Angeles San Gabriel Mts. Comment
  RSA420562  Eriogonum umbellatum var. munzii Bonnie C. Templeton 1932-7-21 5030 Los Angeles West Blue Ridge, Big Pines Park, San Gabriel Mountains 2195 Comment
  CAS-BOT-BC264877  Eriogonum viridescens Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-22 3750 Los Angeles Western half of the ridge, between upper Little Rock Creek and the San Andreas Rift Zone, Pinyon Ridge, San Gabriel Mountains 1950 Comment
  UCD101509  Eriogonum viridescens L. LaPre 1988-7-1 s.n. Los Angeles Big Rock Creek Wash, 2.5 miles E of Pearblossom. Comment
  CAS-BOT-BC267410  Eriogonum wrightii var. membranaceum Peter H. Raven; Henry J. Thompson 1958-10-11 13763 Los Angeles Santa Monica Mountains. 0.7 miles south of junction of roads at summit, Saddle Peak 746 Comment
  RSA420586  Eriogonum wrightii var. subscaposum F. R. Fosberg, Joseph A. Ewan 1931-8-12 4957 Los Angeles San Gabriel Mountains: summit of Mt. Islip 2500 Comment
  OBI16498  Eriophyllum confertiflorum Bill Arbaugh 1966-4-25 Los Angeles Tapia park 457 Comment
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Mar 26 2014
  UCR271800  Eriophyllum confertiflorum R. G. Swinney 2010-3-24 12062 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
  RSA165695  Eriophyllum confertiflorum var. confertiflorum Brian C. Miller 1963-6-15 s.n. Los Angeles Singing Springs, Mill Creek Canyon, San Gabriel Mountains. 1220 Comment
  RSA311402  Eriophyllum confertiflorum var. confertiflorum Cheryl A. Lawson 1971-6-26 403 Los Angeles San Gabriel Mountains, Angeles National Forest: Little Tujunga Canyon. Comment
  RSA640149  Eriophyllum confertiflorum var. confertiflorum L. C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: North side of Burkhart Saddle. 2104 Comment
  SBBG61058  Eriophyllum confertiflorum var. confertiflorum R. Hoffmann 1925-5-17 Los Angeles Ridge Route (US Hwy 99) Comment
  SBBG98517  Eriophyllum confertiflorum var. confertiflorum T. Ross 1991-5-23 5488 Los Angeles lower Tota Cyn 60 Comment
  SEINET11850698  Eriophyllum confertiflorum var. laxiflorum J. F. Bright, Wyman, C. 1933-1 8345 Los Angeles Boquet Canyon Comment
  POM358088  Eriophyllum nevinii M. B. Dunkle 1939-4-2 7204 Los Angeles San Clemente Island, southeast point. Comment
  RSA602106  Erodium botrys Scott D. White 1997-5-7 5067 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mountains SW of I-210 freeway, E of Hansen Dam, and N of Wentworth St. 320 Comment
  RSA657644  Erodium botrys Mary C. Hunter 1994-5-25 20 Los Angeles Altadena foothills; Top of Lake Ave; East of Lake Ave. Comment
  RSA589973  Erodium cicutarium Orlando Mistretta 1994-3-30 945 Los Angeles San Gabriel Mountains. Little Rock Creek . Slopes E of creek below Little Rock Dam. 960 Comment
  SBBG17058  Erodium cicutarium K. A. Wilson, D. E. Bianchi 1961-2-2 811 Los Angeles base of Limeklin Cyn, Granada Hills Comment
  RSA670983  Erodium moschatum Joseph M. Keefe 2001-1-19 30894 Los Angeles on north side of Upperton Avenue (north across street from 1871 Upperton Avenue) at intersection with Upperton Place; pass in ridge between Eagle Rock Valley and York Valley (Highland Park); Los Angeles, 90042. 262 Comment
  RSA669160  Erysimum capitatum LeRoy Gross, Naomi Fraga 2002-4-4 520 Los Angeles Southwest side; From saddle along main crest where the dirt roads of Verdugo Mountain Way & Chandler Fire Road meet., (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road, (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. This home was burned down a long time ago, and road abandoned. 457 Comment
  RSA724807  Erysimum capitatum K. Dobry 1991-6-24 d- 735 Los Angeles At Soka Univ. Santa Monica Mts. Las Virgenes and Mulholland Hwy. Comment
  UC205877  Erysimum capitatum I. Johnston 1917-3-10 58 Los Angeles in field Cucamonga Comment
  UC50330  Erysimum capitatum H. M. Hall Apr. 1903 3744 Los Angeles Arroyo Seco Comment
  RSA530232  Erysimum suffrutescens Ora M. Clark 1928-12-23 1381 Los Angeles Hermosa Comment
  CHSC37355  Erythranthe cardinalis T. P. Spira 1976-7-12 62 Los Angeles White Fir Springs, off of Angeles Crest Hwy (2), Angeles National Forest. 1828 Comment
  SBBG80485  Eschscholzia californica F. C. Boutin 1967-4-24 1719 Los Angeles Wilson Cove Comment
  UCR192936  Eschscholzia californica Dan S. Cooper 2008-6-5 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., unnamed tributary of Vermont Canyon, directly behind tennis courts, Griffith Park, Los Angeles 255 Comment
  OBI4995  Eschscholzia californica Bill Arbaugh 1966-4-16 24 Los Angeles W on 138 from Lancaster 884 Comment
  RSA0042641  Eschscholzia californica Jami Liberi 1983-4-17 07 Los Angeles 15 feet above a brook. Across the street from San Antonio Dam. 640 Comment
  RSA433649  Eschscholzia californica M. B. Dunkle 1928-5-27 1983 Los Angeles Hamilton Canyon, San Clemente Island Comment
  RSA570054  Eschscholzia californica var. peninsularis Tim S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4911 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity. 492 Comment
  RSA578255  Eschscholzia californica var. peninsularis Tim S. Ross, S. D. Boyd 1994-5-4 7652 Los Angeles Grass Mountain: gradual, grassy slope of easterly exposure, ca 70 m ENE of the summit. (straddling the range line into R15W, which is not mapped to sections). 1392 Comment
  CAS-BOT-BC83104  Eschscholzia minutiflora Marjorie Shaw; Edna Spaulding; Mrs. C. L. Walton 1917-4-6 s.n. Los Angeles Antelope Valley. Comment
  RSA445471  Eschscholzia ramosa F. R. Fosberg 1931-4-13 S- 4598 Los Angeles Pebble [Pebbly] Beach, Santa Catalina Island. Comment
  CHSC95737  Eucalyptus rudis LeRoy Gross 2003-1-25 685 Los Angeles Transverse Ranges: Santa Susana Mountains: Johnston's Motorway from Indian Springs Estates (private Homes) but with trail easement at gated end of Iverson Road off Santa Susana Pass Road. climbs to main crest. UTM Zone 11S; 3795422N 0350970E. 549 Comment
  UCR178050  Eucalyptus rudis LeRoy Gross 2003-1-25 685 Los Angeles Transverse Ranges: Santa Susana Mountains, Johnston's Motorway from Indian Springs Estates (private homes) but with trail easement at gated end of Iverson Road off Santa Susana Pass Road. Climbs to main crest 549 Comment
  SEINET3860280  Eucrypta chrysanthemifolia R. G. Swinney 2009-4-16 10382 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: Duarte, lower Van Tassel fire road, Van Tassel Canyon.; 0 439 Comment
  UCR153579  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato 2005-4-26 29711 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa 671 Comment
  RSA158273  Eucrypta chrysanthemifolia Peter H. Raven 1962-5-10 17736 Los Angeles Deep canyon due north of Boulder, San Clemente Island 427 Comment
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Dec 15 2010
  JEPS1713  Eucrypta chrysanthemifolia var. chrysanthemifolia Frank W. Peirson 1918-6-10 167 Los Angeles foothills e Rubio Canyon; San Gabriel Mountains 609 Comment
  RSA562936  Eucrypta chrysanthemifolia var. chrysanthemifolia D. Charlton 1991-7-5 5512 Los Angeles Elizabeth Canyon Rd. bridge near Warm Spring Canyon. 396 Comment
  RSA670946  Eucrypta chrysanthemifolia var. chrysanthemifolia Joseph M. Keefe 2001-3-19 31154 Los Angeles San Rafael Mountains. 10 meters north of Glenoaks Boulevard, 200 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, CA 91208 466 Comment
  UCR14192  Eupatorium sordidum Austin P. Griffiths 1962-5-1 4518 Los Angeles San Gabriel Valley, Arcadia, Los Angeles State and County Arboretum 183 Comment
  UCD142545  Euphorbia albomarginata Robert F. Thorne; C. W. Tilforth 1971-6-17 39969 Los Angeles San Gabriel Mts.; Angeles National Forest: 2 mi. up Lower Tujunga Rd. from Forestry Headquarters. Little Tujunga Creek. 457 Comment
  UCR213793  Euphorbia dendroides Scott D. White, Justin M. Wood, Chris Huntley, Jamie Miner 2009-5-12 12685 Los Angeles San Gabriel Mountains, Millard Canyon, north of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lower Fire Road 707 Comment
  UCD142609  Euphorbia maculata Geoffrey Levin 1975-9-22 654 Los Angeles San Gabriel Mountains. Claremont, Pomona College, south of Crookshank Hall. 335 Comment
  UCR231176  Euphorbia melanadenia Dan S. Cooper 2011-10-10 1011- 117 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, along East Observatory Ave. just north of observatory 331 Comment
  UC303933  Euphorbia palmeri unknown 1904-6-15 425 Los Angeles Pasadena Comment
  RSA0086992  Euphorbia peplus R. G. Swinney 2010-4-21 12325 Los Angeles Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash. 457 Comment
  RSA612078  Euphorbia peplus Valerie L. Soza 1998-4-26 67 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, SE of pHake Lake, N of Foothill Boulevard. [Coordinates given are] at center of BFS. 411 Comment
  UCR241708  Euphorbia serpens Dan S. Cooper 2012-9-6 912- 61 Los Angeles Los Angeles Basin, West Los Angeles College, Culver City, along College Blvd. 43 Comment
  SD181570  Euphorbia spathulata Valerie Soza, Ian Gillespie and LeRoy Gross 2000-5-18 94 Los Angeles San Gabriel Mountains; San Dimas Experimental Forest, southwest of Johnstone Peak, above Wildwood Canyon. 655 Comment
  RSA613503  Euthamia occidentalis L. C. Wheeler 1968-10-1 s.n. Los Angeles San Gabriel Mountains: Big Tujunga Canyon, near Doske Road. Comment
  UCD98892  Fallopia convolvulus Robert F. Thorne; M. Z. Thorne 1969-7-10 38404 Los Angeles San Gabriel Mtns., Angeles National Forest; just E of Big Pines Ranger Station. 2072 Comment
  LA13078  Festuca myuros A. M. Johnson; 1937-11-1 92 Los Angeles Del Rey Comment
  UCR129373  Festuca myuros var. hirsuta Orlando Mistretta 1994-6-15 1357 Los Angeles San Gabriel Mtns, Santiago Canyon. Side drainage entering Santiago Canyon from the west, c. 3 mi south of confluence of Santiago Creek and Little Rock Creek 1585 Comment
  RSA0115990  Ficus carica R. G. Swinney 2010-8-11 13494 Los Angeles San Gabriel Mountains; San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road. 595 Comment
  CAS-BOT-BC487551  Ficus microcarpa R. E. Riefner, Jr. 2015-8-23 15 -348 Los Angeles City of Los Langeles, Toluca Terrace, E side of Cahuenga Blvd, S ca 0.2 mi from Magnolia Blvd. 188 Comment
  CAS-BOT-BC487552  Ficus microcarpa R. E. Riefner, Jr. 2014-10-6 14 -369 Los Angeles Harbor City, W of 110-freeway, on Figueroa Pl, ca 0.3 mi N of Anaheim St, opposite Harbor Park Golf Course 9 Comment
  RSA535282  Filago arizonica Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5326 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons. 485 Comment
  POM8635  Filago californica P. A. Munz 1920-4-21 3691 Los Angeles San Dimas Canyon; South face of San Gabriel Mts 457 Comment
  SFV16498  Foeniculum vulgare K. Tajbakhsh 1996-4-13 26 Los Angeles California Channel Islands Catalina Island. Fisherman's Bay. 50 m outside of USC Marine Research Station. Comment
  RSA505037  Frankenia salina S. J. Myers 1989-6-28 s.n. Los Angeles Ca. 3 mi. W of Palmdale: 1 mi. SE of intersection of Elizabeth Lake Road and the California Aqueduct. Comment
  UC141119  Frankenia salina Ernest Braunton June 1902 497 Los Angeles Nigger Slough [Laguna Dominguez] Comment
  RSA795685  Fraxinus W. R. Ferren, Hamilton 1993-9-1 EPA- 294 Los Angeles Santa Monica Mountains. Tapia County Park. In campground at confluence of Malibu Creek and an intermittent creek. Comment
  RSA0062521  Fraxinus dipetala R. G. Swinney 2010-6-4 13066 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA464908  Fraxinus dipetala Freda Detmers 1933-4-10 17587 Los Angeles Sierra Madre Mountains; Little Tujunga Canyon Comment
  SFV2751  Fraxinus dipetala J. R. Swanson 1963-3-21 745 Los Angeles Santa Monica Mountains Las Virgenes Road. Northwest slope of the peak at west end of Tapia Park. 150 Comment
  UCR177656  Fraxinus dipetala L. C. Wheeler 1932-6-18 835 Los Angeles San Gabriel Mountains, San Dimas Canyon 427 Comment
  LA49809  Fraxinus velutina R. L. Armacost; May 1963 sn Los Angeles Tapia Park, Malibu Creek Comment
  RSA464930  Fraxinus velutina F. W. Peirson 1924-8-23 s.n. Los Angeles W fork San Gabriel River, just above forks Comment
  UCR99493  Fremontodendron californicum Steve Boyd, Lauren Raz 1997-5-6 9731 Los Angeles Liebre Mtns, Northern flank of Red Mountain, near the head of Clearwater Canyon, about 0.1 mi east of the saddle divide with Ruby Canyon 915 Comment
  LA22124  Fritillaria biflora var. biflora Martha Hilend; K. Kinsel 1929-3-9 sn Los Angeles SANTA MONICA MOUNTAINS, Cahuenga Hills, W of Hollywood Lake. Comment
  CAS-BOT-BC494158  Galium andrewsii subsp. intermedium Valerie Soza 2004-6-21 1725 b Los Angeles Liebre Mountains, dirt road off Rd. &N23, just W of Sawmill Camp entrance 1615 Comment
  RSA0051338  Galium andrewsii subsp. intermedium Valerie Soza 2004-6-21 1725 b Los Angeles Liebre Mountains, dirt road north off of Rd 7N23, just west of Sawmill Camp entrance. 1615 Comment
  CHSC3677  Galium angustifolium Mary MacArthur 1966-5-26 32 Los Angeles Sivrtzers camp - San Gabriel Mts. 914 Comment
  LA208355  Galium angustifolium Joseph Andorfer Ewan; 1930-5-17 5507 Los Angeles Pico Canyon above Newhall 548 Comment
  RSA600475  Galium angustifolium subsp. angustifolium Steve D. Boyd, Lauren Raz 1997-4-30 9603 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine. 866 Comment
  POM367679  Galium angustifolium subsp. angustifolium Anstruther Davidson 1889-09 s.n. Los Angeles Foothill L.A. Comment
  UCR200147  Galium aparine Valerie Soza, Shalini Deo, Stephen Dreher 2000-4-27 800 Los Angeles Verdugo Mountains, south side, Wildwood Canyon, Wildwood Canyon Park, at end of paved Wildwood Canyon Road at junction with fire road 488 Comment
  POM367749  Galium aparine Wm. Martin 1972-5-12 76 H371B Los Angeles Gold Creek, Little Tujunga. Comment
  RSA191186  Galium aparine Robert F. Thorne, M. Z. Thorne 1967-7-19 37176 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Cienega Springs, above Crystal Lake Recreation Area. 1982 Comment
  RSA213392  Galium aparine Reid V. Moran 1941-2-17 581 Los Angeles San Clemente Island. Middle Ranch, East side of arroyo. 500 Comment
  CAS-BOT-BC217453  Galium catalinense Reid Moran 1958-9-15 6822 Los Angeles Canyon 1.8 miles SE of Eel Point, San Clemente Island 100 Comment
  CAS-BOT-BC217459  Galium catalinense L. R. Abrams; I. L. Wiggins 1931-7-4 317 Los Angeles White's Landing, San Clemente Island Comment
  RSA547465  Galium johnstonii Tim S. Ross, Orlando Mistretta 1992-7-24 6745 Los Angeles Vicinity of Strawberry Spring, 76 deg. ENE, 900 m distant from Strawberry Peak summit 1460 Comment
  RSA576173  Galium nuttallii subsp. insulare Reid V. Moran 1941-3-11 700 Los Angeles Santa Catalina Island. Ridge north of Middle Ranch 250 Comment
  LA33610  Galium nuttallii subsp. nuttallii Peter H. Raven; 1959-5-5 14141 Los Angeles Santa Monica Mountains, Mulholland Hwy, 1 mi W of Las Virgenes Rd (N1), Malibu Creek drainage 365 Comment
  SBBG20584  Gambelia speciosa E. R. Blakley 1963-12-8 6394 Los Angeles cyn side above Mosquito Cove and between Triangulation Pts Malo and Chenity 243 Comment
  UCR139267  Gamochaeta pensylvanica A. C. Sanders 2003-5-22 26832 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
  RSA392385  Garrya flavescens var. pallida L. E. Hoffman 1931-12-23 s.n. Los Angeles Chilao Flats 2134 Comment
  CAS-BOT-BC158046  Garrya veatchii I. M. Johnston 1918-5-19 1983 Los Angeles San Antonio [Canon] Canyon (Kerkhoff Grade) Comment
  RSA309628  Garrya veatchii Walter Wisura 1983-8-30 3926 Los Angeles N slopes of Sunset Peak Comment
  RSA188081  Gastridium phleoides R. F. Thorne 1966-4-28 36265 Los Angeles Santa Catalina Island. Water tank above Mausoleum, Avalon Canyon above road 182 Comment
  UCR189968  Gayophytum R. G. Swinney 1998-8-31 6872 Los Angeles San Gabriel Mtns., San Antonio Ridge, saddle 1.2 mi. west of West Mt. Baldy 2378 Comment
  UCR209948  Gayophytum R. G. Swinney 2008-7-15 9223 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  UCR223176  Gayophytum R. G. Swinney 2009-7-22 11318 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  UCR272849  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-8-5 15606 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
  RSA113815  Gayophytum heterozygum Harlan Lewis 1957-6-21 1103 Los Angeles San Gabriel Mts., Charleton Flats, Angeles Crest Highway. Comment
  RSA311355  Gayophytum oligospermum Robert F. Thorne, M. Z. Thorne 1969-7-10 38397 Los Angeles San Gabriel Mountains, Angeles National Forest: just E of Holiday Hill Ski area, Swartout Valley 1997 Comment
  UCR253912  Gilia Mitch Provance 2010-5-11 0510- 16 Los Angeles Westernmost Mojave Desert, south of Hwy 138 between Quail Lake and Neenach 960 Comment
  UCR281424  Gilia achilleifolia subsp. multicaulis R. G. Swinney 2014-5-8 16465 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
  RSA587466  Gilia aliquanta subsp. aliquanta Orlando Mistretta 1995-4-11 1611 Los Angeles Santiago Canyon;W slopes of Santiago Canyon ca. 1mile SW of confluence with Little Rock Creek. 1037 Comment
  UC909017  Gilia angelensis Annetta Carter 1946-4-23 1760 Los Angeles Mount Wilson Trail , Mount Wilson Trail (Sierra Madre) 365 Comment
  RSA758247  Gilia brecciarum subsp. brecciarum Orlando Mistretta, Christine Mistretta 2008-4-16 2471 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
  RSA470213  Gilia capitata subsp. abrotanifolia Anstruther Davidson 1890-04 s.n. Los Angeles Los Angeles. Comment
  UCR191198  Gilia diegensis R. G. Swinney 1999-7-5 7530 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
  UCR124680  Gilia latiflora B. C. Templeton, I. W. Clokey 1930-4-8 1032 Los Angeles Mojave Desert, west of Lancaster 710 Comment
  CAS-BOT-BC226336  Gilia latiflora subsp. davyi Robert F. Thorne; G. Wallace 1973-4-25 43369 Los Angeles San Gabriel Mts., Mojave Desert slope: 1/4 mi N of Bob's Gap, 3.5 mi S of Llano, N slope of Holcomb Ridge 1188 Comment
  UC909955  Gilia latiflora subsp. davyi I. W. Clokey, B. C. Templeton 1930-4-8 4656 Los Angeles w Lancaster; w of Lancaster 400 Comment
  CAS-BOT-BC226329  Gilia latiflora subsp. davyi Mrs. G. Earle Kelly 1926-4-1 s.n. Los Angeles Lancaster, Mojave Desert Comment
  CAS-BOT-BC226395  Gilia latiflora subsp. latiflora Frank W. Peirson 1921-5-19 2832 Los Angeles Little Rock Creek, San Gabriel Mts. 1036 Comment
  UC908420  Gilia minor Herbert L. Mason 1938-4-15 11722 Los Angeles three mi e Mohave (Mohave Desert); , e of Mohave Comment
  CAS-BOT-BC225498  Gilia nevinii Robert F. Thorne 1973-4-11 42813 Los Angeles Plateau W of upper end of Norton Canyon, San Clemente Island 396 Comment
  CAS-BOT-BC402004  Gilia ochroleuca subsp. bizonata Frank W. Peirson 1921-5-20 4135 Los Angeles Little Rock Creek, San Gabriel Mts. 1005 Comment
  SBBG58387  Gilia ochroleuca subsp. bizonata R. Hoffmann 1929-4-28 Los Angeles Harold Comment
  RSA0016265  Gilia ochroleuca subsp. bizonata L. C. Wheeler 1973-4-7 s.n. Los Angeles Kentucky Springs Canyon. 1220 Comment
  CAS-BOT-BC407853  Gilia ochroleuca subsp. ochroleuca Robert F. Thorne; G. Wallace 1973-4-25 43365 Los Angeles San Gabriel Mts., Mojave Desert slope: 1/4 mile N of Bob's Gap, 3.5 mile S of Llano, N slope of Holcomb Ridge 1188 Comment
  RSA679867  Gilia sinuata LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 872 -a Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway. 1143 Comment
  RSA679881  Gilia sinuata LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 842 Los Angeles East side of Punchbowl Canyon. 1585 Comment
  SEINET3163645  Gilia tenuiflora G. B. Grant 503 Los Angeles Mt. Wilson So Cal. Comment
  UCR189409  Githopsis diffusa R. G. Swinney 1998-5-30 6153 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  SEINET10464385  Githopsis diffusa subsp. diffusa Philip A. Munz 1925-4-23 Munz 9436 Los Angeles Burn in chaparral, San Gabriel Canyon 488 Comment
  SEINET10630411  Glycyrrhiza glabra Heidi H. Schmidt 1999-10-14 Schmidt 3856 Los Angeles City of San Gabriel. Hawaii Supermarket: 120 East Valley Boulevard: San Gabriel, CA: 91776: (626) 307-0062 - phone. 110 Comment
  SBBG68425  Glycyrrhiza lepidota R. Hoffmann 1928-7-7 Los Angeles Acton Comment
  UC1128927  Glycyrrhiza lepidota H. S. Yates 1936-8-28 6352 Los Angeles 3 mi w Lancaster; Elizabeth Lake Quadrangle Comment
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Apr 10 2012
  RSA0106834  Gnaphalium californicum R. G. Swinney 2011-5-10 14634 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
  POM358899  Gnaphalium palustre L. C. Wheeler 1934-3-11 2435 Los Angeles Puddingstone Dam, San Jose Hills. 305 Comment
  UCR223800  Gnaphalium palustre R. G. Swinney 2009-8-25 11471 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
  RSA226075  Gnaphalium palustre R. F. Thorne, C. W. Tilforth 1971-6-17 39916 Los Angeles Near small pond in canyon below Placerita Canyon road 2.6 mile below junction with Sand Canyon road; W end San Gabriel Mts. 549 Comment
  RSA478803  Grayia spinosa Robert M. Perkins 1937-4-23 361 Los Angeles Between Lancaster & Palmdale. Comment
  SEINET3197499 Image available Grayia spinosa R. G. Swinney 2009-4-2 10272 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert; Bob's Gap, 3.5 miles south of Hwy 138 on east side of Bob's Gap Road. (Valyermo 7.5' Q) 1220 Comment
  UC1614048  Grayia spinosa Charles M. Belshaw 1935-3-29 498 Los Angeles ca. 20 mi. w. Lancaster (on face of La Liebre Scarp); W. Antelope Valley Comment
  UC483356  Grayia spinosa Eugene Wells 1910-3-18 Los Angeles Antelope Valley, Lancaster Comment
  UCD132550  Grindelia camporum Daryl Koutnik 1978-6-24 545 Los Angeles Way Hill along Gladstone Avenue, San Dimas. 304 Comment
  UC468769  Grindelia hirsutula H. P. Chandler 1898-3-14 198 Los Angeles San Dimas Comment
  LA203643  Gutierrezia californica Marion Olsen; 1923-7-1 sn Los Angeles Arcadia Comment
  RSA725861  Gutierrezia californica R. G. Swinney 1998-5-15 6052 Los Angeles San Gabriel (Azusa) Canyon, 1.5 mi. north of Foothill Blvd. on east side of Encanto Rd. 183 Comment
  SBBG109022  Hainardia cylindrica S. A. Junak 1996-5-14 SCl 452 Los Angeles E side of San Clemente Ridge Rd, ca. 0.1 mi S of intersection with Horton Rd 472 Comment
  UCR150560  Haplopappus squarrosus Scott D. White, Brian Leatherman 2003-11-17 9855 Los Angeles San Gabriel Mtns, Big Dalton Canyon, above Glendora. Big Dalton Canyon Road, above reservoir 549 Comment
  RSA015547  Haplopappus squarrosus Fay A. MacFadden 1929-10-10 2163 Los Angeles Verdugo Mountains: Tuna Canyon. 335 Comment
  CATA466  Harpagonella palmeri Sara L. Crockett, Steve Junak 1997-3-27 608 Los Angeles Santa Catalina Island: N slope of Little Harbor, directly above beach; ca. 50 m upslope 42 Comment
  UC1349350  Harpagonella palmeri Robert F. Thorne 1966-4-7 35949 Los Angeles Cgherry Valley Santa Catalina Island (sse-facing slope) 60 Comment
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Dec 3 2014
  UC87486  Hazardia cana T. S. Brandegee 1894-8-25 Los Angeles San Clemente Island Comment
  CAS-BOT-BC307284  Hazardia squarrosa var. grindelioides J. Ewan 1931-10-11 5233 Los Angeles Sepulveda Canyon Road n. of Mullholland Dr., Santa Monica Mts. Comment
  SEINET13383995 Image available Helianthus annuus R. G. Swinney 2010-1 12322 Los Angeles Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash 457 Comment
  RSA660398  Helianthus gracilentus Orlando Mistretta 1992-6-17 587 Los Angeles Road 2N09 EA. Curtiss Haul Road, Cow Canyon. From 2nd drainage down to Cattle Canyon. Comment
  CATA1951  Heliotropium curassavicum F. R. Fosberg 1931-4-29 7166 Los Angeles Santa Catalina Island: Mouth of Cottonwood Canyon 2 Comment
  UC284983  Heliotropium curassavicum P. A. Munz 1923-5-27 6891 Los Angeles Pallett Creek San Gabriel Mts., Pallett Creek Comment
  UC306229  Heliotropium curassavicum S. B. Parish 1918-6-5 11861 Los Angeles Playa del Rey Comment
  UCR55334  Heliotropium curassavicum S. J. Myers 1988-9-30 s.n. Los Angeles Western Mojave Desert, Palmdale area, north of Elizabeth Lake Road, near the intersection with 25th St. West 841 Comment
  RSA455893  Hemizonia fasciculata M. Bisbee 1917-5-29 s.n. Los Angeles Hills north side Eagle Rock Valley Comment
  RSA0001293  Hemizonia minthornii T. W. Minthorn 1923-11-12 s.n. Los Angeles Near Chatsworth, in Santa Susanna Mts. Comment
  RSA652507  Hemizonia ramosissima M. Wiseman 1992-5-15 14 Los Angeles [Pomona] California Polytechnic University, one and a quarter miles east of Buzzard Peak in the San Jose Hills. West of parking lot J in the mouth of 'G' canyon, roadside. Comment
  CAS-BOT-BC403840  Hesperocnide tenella Carl B. Wolf 1932-5-11 3560 Los Angeles Santa Catalina Island. Fourth O'July Cove. Above the road 30 Comment
  OBI70648  Hesperocnide tenella Louis C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mts: E side Little Tujunga Cyn. Herreres Ranch vicinity, 0.3 mi SW of Herreres Ranch 427 Comment
  SBBG33694  Hesperocyparis forbesii S. Boyd with L. Lenz 2001-5-2 10425 Los Angeles Warm Springs Mtn, along rd to summit, just W of cutoff to Necktie Basin, on slope between rd and steep escarpment into Warm Springs Cyn Comment
  CAS-BOT-BC135944  Hesperoyucca whipplei Marcus E. Jones 1926-6-7 s.n. Los Angeles Ridge Route Comment
  RSA0110913  Hesperoyucca whipplei Richard G. Swinney 2011-6-7 15079 Los Angeles San Gabriel Mountains: summit of Mount Mooney, 0.4 air mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory. 1768 Comment
  CAS-BOT-BC135950  Hesperoyucca whipplei Peter H. Raven; Henry J. Thompson 1959-5-5 14150 Los Angeles On chaparral burn, 4.1 miles north-west of Tapia Park on road to Malibu Lake - Santa Monica Mountains 182 Comment
  CAS-BOT-BC143694  Heteromeles arbutifolia Grant 1904-4-21 6174 Los Angeles [Avelon] Avalon Comment
  RSA14704  Heteromeles arbutifolia Fay A. MacFadden 1931-4-20 2953 Los Angeles Verdugo Mountains: Tuna Canyon. Comment
  RSA498184  Heteromeles arbutifolia Erwin Miller 1934-6-30 19120 Los Angeles Fish Canyon, San Gabriel Mountains. Comment
  SBBG98461  Heteromeles arbutifolia T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5290 Los Angeles W fork of Near-Death Cyn, draining to Mosquito Cove (drainage beginning 800 ft N of Rest; 1800 ft SE of Malo Knoll 274 Comment
  SEINET11897141  Heteromeles arbutifolia Unknown 1945-1 s.n. Los Angeles Altadena Comment
  LA105050  Heterotheca grandiflora Barry A. Prigge; 1988-7-3 8218 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
  RSA0031804  Heterotheca grandiflora Geraldine Dodd 1992-5-25 025 Los Angeles 2 miles north of Santa Anita Canyon Rd. from Sturtevant Dr. intersection. 457 Comment
  RSA0074415  Heterotheca grandiflora George Vowels 1965-8-13 10123 Los Angeles In a small canyon near Mulholland area and San Diego Freeway, Santa Monica Mts. Comment
  RSA0074424  Heterotheca grandiflora L. C. Wheeler 1931-1-10 s.n. Los Angeles Base of San Gabriel Mountains at Claremont: Thompson Creek Dam. Comment
  CAS-BOT-BC310839  Heterotheca sessiliflora subsp. fastigiata David D. Keck 1932-10-14 1951 Los Angeles Tujunga Wash, 4 miles east of Van Nuys, on Van Owen Street Comment
  SD253388  Heterotheca sessiliflora subsp. fastigiata R. G. Swinney 2011-10-27 15907 Los Angeles San Gabriel Mts.: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream (Azusa 7.5'Q) 648 Comment
  SFV16406  Hieracium argutum J. H. Nishida 1991-8-10 s. n. Los Angeles San Gabriel Mountains Bear Divide off of Little Tujunga Canyon. 793 Comment
  UCR190284  Hieracium argutum var. parishii R. G. Swinney 1998-8-1 6620 Los Angeles San Gabriel Mtns., Vincent Gulch, c. 2.5 miles ESE of the summit of Mt. Baden-Powell, c. 0.6 mi. above confluence with San Gabriel River 1427 Comment
  UCR182821  Hoffmannseggia glauca R. E. Riefner Jr. 2006-7-8 06- 295 Los Angeles Southern Coast, Long Beach, Studebaker Road at 22 Freeway 6 Comment
  RSA660633  Holodiscus discolor Matt Bogdanoff 1981-5-27 35 Los Angeles Ca Hwy 39, 3.5 mi N of junction with Sierra Madre Ave., N of Azusa. 396 Comment
  CAS-BOT-BC289492  Hordeum brachyantherum subsp. californicum Louis C. Wheeler 1936-4-12 4089 Los Angeles S. side, hills S Monterey Park 121 Comment
  CAS-BOT-BC289330  Hordeum murinum subsp. glaucum Peter H. Raven; Henry J. Thompson 1959-5-5 14124 Los Angeles Mulholland Hwy. 1 mile W of Las Virgenes Road, Malibu Creek drainage, Santa Monica Mountains 274 Comment
  RSA0108915  Hordeum murinum subsp. glaucum R. G. Swinney 2011-3-26 14219 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 476 Comment
  RSA658226  Hordeum murinum subsp. glaucum Naomi Zohman 1985-4-28 45 Los Angeles Junction of CA Hwy 39 and west fork of San Gabriel River. Forest Service Road, along the west fork. Comment
  RSA755929  Hordeum murinum subsp. glaucum Orlando Mistretta, Christine Mistretta 2008-4-10 2409 Los Angeles Ritter Ridge, SW of Quartz Hill. Along SCE transmission lines just S. of California Aqueduct . (Segment 5, structure 17 per TRTP survey - 2008) 919 Comment
  UC1871331  Hordeum murinum subsp. leporinum T. S. Ross, W. Appleby 1993-5-19 7164 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mountains: Long SSE-trending ridge S of Wilson Canyon Saddle; San Fernando quad: R15W T3N, SW/4 NE/4 SE/4 sect. 9; elev. 3110 ft. 948 Comment
  SBBG31111  Hordeum vulgare R. F. Thorne 1966-4-29 Los Angeles above ranch in Middle Ranch Cyn 228 Comment
  CAS-BOT-BC532295  Horkelia cuneata var. puberula Alice Eastwood 1928-6-15 15399 Los Angeles Claremont Comment
  SBBG125464  Horkelia rydbergii A. Parikh, N. Gale 2010-6-18 3332 Los Angeles upper Big Tujunga Cyn, 1.2 km N of St Hwy 2, 0.4 km W of upper Big Tujunga Cyn Rd, San Gabriel Mtns 1220 Comment
  SBBG68138  Hosackia oblongifolia var. oblongifolia V. Duran 1933-7-22 3528 Los Angeles Buckhorn 1981 Comment
  CDA1450  Hydrilla verticillata Aurelio Posadas, R. C. Wightman 1980-10-6 Los Angeles Lily pond at north entrance to the Los Angeles County Museum of Natural History, 900 Exposition Blvd., Los Angeles 0 Comment
  RSA453764  Hydrocotyle ranunculoides Anstruther Davidson 1893-8-13 s.n. Los Angeles E. Los Angeles. Comment
  CAS-BOT-BC312938  Hypochaeris glabra Robert F. Thorne 1971-3-31 41435 Los Angeles San Gabriel Mts.: Johnson's Pastures, N of Mountain Ave., Claremont 548 Comment
  RSA643842  Hypochaeris glabra Steven A. Junak 1996-5-20 SC 1 -513 Los Angeles San Clemente Island: E side of island at mouth of canyon at Mosquito Cove. 3 Comment
  CDA7489  Hypochaeris radicata L. C. Wheeler 1968-6-28 s.n. Los Angeles Pasadena: In vacant lot shared for freeway. 300 block N. Los Roble Ave.. . 0 Comment
  SEINET10480609  Idria columnaris Jon Ricketson, Heidi H. Schmidt 1992-10-21 Ricketson 4834 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Garden, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  SBBG86482  Ismelia carinata C. F. Smith 1958-3-30 5693 Los Angeles about Manhattan Beach Comment
  UCR231072  Isocoma menziesii Dan S. Cooper 2011-9-13 s.n. Los Angeles South Coast, southeastern Hollywood, Fountain Ave. at Western Ave. 105 Comment
  CATA1399  Isocoma menziesii var. menziesii Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-11-9 2541 Los Angeles Santa Catalina Island: By road to Salta Verde, lower portion of road, toward Salta Verde 390 Comment
  POM359498  Isocoma menziesii var. vernonioides H. L. Bauer 634 Los Angeles Topanga Canyon. Comment
  UC1215225  Isomeris arborea Peter H. Raven 1962-7-11 17989 Los Angeles canyon n Nanny, San Clemente Island (ne of Lemon Tank); San Clemente Island Comment
  UCR87358  Isomeris arborea R. G. Swinney 1994-3-19 2715 Los Angeles San Gabriel Mtns., Glendora, 2.5 mi northwest of Big Dalton Canyon Road at Glendora Mountain Rd, c. 100 m below (S) of road 549 Comment
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Jun 15 2009
  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
  CAS-BOT-BC110039  Juncus acutus E. R. Blakley 1961-9-24 4784 Los Angeles Santa Catalina Island. Little Springs Canyon. 15 Comment
  UC729504  Juncus acutus subsp. leopoldii Carl B. Wolf 1932-9-16 Los Angeles extreme se corner Pacific Western Oil Co. (Bryant Ranch, 100-150 ft of State Hwy) 1 Comment
  RSA0081056  Juncus balticus R. G. Swinney 2010-5-12 12721 Los Angeles Barrell Springs Road at jct. with 42nd St. East, on SW side of road from 30 to 150 meters west of 42nd, NE side of Palmdale Ditch, San Andreas Rift Zone. 921 Comment
  UCR273745  Juncus balticus R. G. Swinney 2011-6-15 15186 Los Angeles San Gabriel Mountains, Chilao Creek, 100 m south and north of Chilao Campground 1573 Comment
  UCR258759  Juncus bufonius R. G. Swinney 2010-5-11 12694 Los Angeles San Gabriel Mountains, east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd 872 Comment
  CATA1141  Juncus bufonius var. bufonius Mark L. Hoefs 1995-5-23 2132 Los Angeles Santa Catalina Island: Middle Canyon at Thompson Reservoir 195 Comment
  RSA639096  Juncus bufonius var. bufonius L. C. Wheeler 1967-5-15 9599 Los Angeles San Gabriel Mountains: Elsmere Canyon; bottom of canyon near mouth. 434 Comment
  RSA639192  Juncus bufonius var. bufonius L. C. Wheeler 1967-5-31 9810 Los Angeles Pallet Creek at confluence with Big Rock Creek 1082 Comment
  RSA730314  Juncus covillei R. G. Swinney 1998-9-4 6907 Los Angeles Vincent Gap, off trail c. 350m SE of parking area at spring near canyon bottom 1988 Comment
  RSA228879  Juncus duranii Robert F. Thorne 1971-8-25 41312 Los Angeles San Gabriel Mts., Angeles National Forest: near Windy Spring on N Slope of Mt Islip 2255 Comment
  UCR11842  Juncus macrophyllus P. H. Raven, H. J. Thompson 1960-7-17 15563 Los Angeles Western Transverse Range; Santa Monica Mtns., Old Topanga Canyon Comment
  RSA191372  Juncus macrophyllus Robert F. Thorne, M. Z. Thorne 1967-7-19 37144 Los Angeles Angeles National Forest: Crystal Lake Recreation area, just above junction of roads to Crystal Lake and Angeles Crest Hwy. 1555 Comment
  CATA3213  Juncus mexicanus Julie L. King 2016-11-30 32 Los Angeles Santa Catalina Island: East side of Big Springs Rd., in drainage to east of large Quercus macdonaldii, about 0.3 road miles from junction with Isthmus Rd. 102 Comment
  RSA250501  Juncus mexicanus Robert F. Thorne, John Dourley 1967-10-10 37336 Los Angeles San Gabriel Mtns., Angeles National Forest: Jackson Lake. 1867 Comment
  RSA0127379  Juncus oxymeris Louis C. Wheeler 1967-7-20 10138 Los Angeles Aliso Canyon. 1067 Comment
  RSA594292  Juncus textilis L. C. Wheeler 1967-7-30 10247 Los Angeles San Gabriel Mountains. Big Tujunga Canyon at Trail Canyon. 518 Comment
  RSA596179  Juncus textilis Mark Hoefs, Robert F. Thorne, Janet Takara, M. Gay 1995-7-27 2506 Los Angeles Santa Catalina Island: below Bulrush Reservoir. 282 Comment
  UCR148045  Juncus textilis Steve Boyd, Amber Maurice 2004-5-18 11335 Los Angeles Transverse Ranges; Liebre Mountains region, Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain 610 Comment
  UCR194765  Juncus textilis Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 710 Los Angeles Transverse Ranges; San Gabriel Mountains region, Verdugo Mountains, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park 549 Comment
  RSA589342  Juniperus californica Orlando Mistretta 1994-3-30 940 Los Angeles Little Rock Creek, slopes east of creek below Little Rock Dam 991 Comment
  UC84  Juniperus californica W. H. Brewer 1861-1-1 110 Los Angeles San Gabriel Comment
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Jan 26 2015
  RSA17070  Keckiella breviflora Carl B. Wolf 1936-5-27 7842 Los Angeles Indian Canyon Camp, 2 mi off Soledad Canyon 915 Comment
  CAS-BOT-BC235735  Keckiella cordifolia Carl B. Wolf 1931-7-30 2297 Los Angeles Base of Newhall Grade 1/4 mi. above crossing of L. A. Aqueduct 457 Comment
  CAS-BOT-BC235766  Keckiella cordifolia John I. Carlson 1915-6-13 s.n. Los Angeles Avalon, Santa Catalina Isl. Comment
  UCSB6163  Keckiella cordifolia Gill, Robert 1959-6-2 Los Angeles San Antonio Cyn; along lower road; San Gabriel Mt Range 762 Comment
  RSA401763A  Keckiella cordifolia N. Dunn 1931-5-30 s.n. Los Angeles Los Alisos Canyon. Comment
  SEINET12269337  Keckiella cordifolia J. F. Bright, Wyman, C. 1931-1 5670 A Los Angeles out of Hollywood Comment
  CAS-BOT-BC238331  Keckiella ternata var. septentrionalis Ernest C. Twisselmann 1959-6-2 5320 Los Angeles Old Ridge Route, 1.25 mile north of Quail Lake Fire Station 1219 Comment
  CAS-BOT-BC238332  Keckiella ternata var. septentrionalis A. D. E. Elmer 1902-6-1 3597 Los Angeles Acton, Mt. Gleason Comment
  SEINET190477 Image available Koeleria macrantha V. Duran 1933-7-9 3505 Los Angeles Horse Flats San Gabriel Mts 1676 Comment
  UCR179485  Koeleria macrantha R. G. Swinney 1996-8-7 5215 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half of Brown's Flat 1341 Comment
  SEINET7042278  Koeleria macrantha A. G. Vestal 1938-7-3 s.n. Los Angeles Barley Flats, San Gabriel Mountains, Angeles National Forest. Chilao Flat quadrangle. UTM Zone 11, 401100mE, 379337mN. Ca 5000'. Comment
  CAS-BOT-BC271337  Koeleria pyramidata S. B. Parish 1891-1-1 s.n. Los Angeles Los Angeles Comment
  UC1375289  Kopsiopsis strobilacea Robert F. Thorne, C. W. Tilforth, and John Dourley 1971-7-27 41078 Los Angeles San Gabriel Mts., Angeles National Forest: E ridge of Mt. San Antonio (Old Baldy). Comment
  RSA69953  Krascheninnikovia lanata F. W. Peirson 1926-4-26 6653 Los Angeles about 1 mile east of Palmdale Comment
  RSA592188  Lamarckia aurea L. C. Wheeler 1967-3-3 9172 Los Angeles Sunset Ridge, west of Chaney Trail. Comment
  RSA618722  Lamarckia aurea Scott D. White 1998-5-19 6536 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
  UC284226  Lamarckia aurea P. A. Munz 1923-4-9 6671 Los Angeles San Clemente Island Comment
  RSA792771  Lamium amplexicaule Justin M. Wood 2009-3-20 375 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave. and Foothill Blvd. west of entrance road. 390 Comment
  RSA624539  Lamium amplexicaule Louis C. Wheeler 1973-5-6 s.n. Los Angeles San Gabriel Mountains: Indian Canyon Campground (off Soledad Canyon) 823 Comment
  SD60376  Lamium amplexicaule Peter H, Raven 1962-2-1 16877 Los Angeles waste ground, Los Angeles State and County Arboretum 182 Comment
  SD186284  Lastarriaea coriacea Andy C. Sanders, Mark Elvin, et al. 2003-4-16 26052 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, west end of Magic Mountain Parkway, south of Magic Mtn. theme park 366 Comment
  UCR276787  Lastarriaea coriacea R. G. Swinney 2011-3-29 14271 A Los Angeles San Gabriel Mts., Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel 366 Comment
  RSA92924  Lasthenia californica F. W. Peirson 1923-4-9 3425 Los Angeles San Clemente Island: Wilson's Cove Comment
  UCR259665  Lasthenia coronaria R. G. Swinney 2010-4-1 12144 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  POM361568  Lasthenia glabrata subsp. coulteri A. M. Johnson 1933-5-17 4267 Los Angeles Del Rey Comment
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Apr 7 2011
  POM49824  Lasthenia glabrata subsp. coulteri L. R. Abrams 1901-4-10 1454 Los Angeles Hyde Park. Comment
  SBBG13286  Lasthenia gracilis M. A. Piehl 1962-6-9 62317 a Los Angeles head of cyn just below (N of) Chenity (S of Mosquito Cove) 304 Comment
  RSA589173  Lasthenia gracilis Timothy S. Ross 1991-4-28 4733 Los Angeles Black butte Basin Road, on the S margin of the Southern Pacific Rail Road Tracks; ca 1.75 miles and ca 148 SW of Three Sisters [buttes]. 979 Comment
  RSA0116337  Lathyrus Steven A. Junak 2000-4-15 SCa- 1195 Los Angeles Santa Catalina Island. Upper Avalon Canyon, along E Summit Road, ca. 0.1 mi. inland from gate at Wrigley Memorial. 305 Comment
  UCD106352  Lathyrus latifolius Mary E. Manwell 1964-6-10 s.n. Los Angeles Along railroad right-of-way so. Of Locust St., between Hill St. and Holliston Ave., Pasadena, CA. Comment
  RSA405726  Lathyrus vestitus subsp. alefeldii C. B. Liter 1928-4-4 s.n. Los Angeles Catalina Island. Comment
  UC69537  Lathyrus vestitus subsp. laevicarpus Joseph Burtt Davy 1896-5-20 2633 Los Angeles Leonis Valley Comment
  RSA656423  Lathyrus vestitus var. vestitus Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 709 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999. 548 Comment
  LA205872  Lavatera assurgentiflora Louis Wheeler; 1932-8-28 1307 Los Angeles San Jose Hills, Puddingstone Dam 274 Comment
  RSA0113755  Layia Steven A. Junak 1999-5-20 SCa- 931 Los Angeles Santa Catalina Island. On ridge between Cottonwood and Escondido Canyons. On S side of Cottonwood-Black Jack Road, ca. 0.6 mi. up from reservoir. 256 Comment
  UCR281316  Layia glandulosa R. G. Swinney 2014-5-7 16408 Los Angeles San Gabriel Mountains, near town of Ravenna, 0.3 miles east of Stonecross, c. 0.7 miles south of Soledad Cyn. Road, c. 0.5 mile east of Mill Cyn., unnamed N-S oriented cyn. between Bootleggers Cyn. and Mill Cyn. 793 Comment
  POM188348  Layia glandulosa P. A. Munz 1933-5-13 12945 Los Angeles 5 miles E of Lancaster Comment
  UC519995  Layia glandulosa Louis C. Wheeler 1932-4-9 567 Los Angeles 914 Comment
  SBBG12840  Layia platyglossa E. R. Blakley 1962-6-9 5204 Los Angeles cyn W of rd, 2.5 mi N of China Pt 190 Comment
  SD86312  Layia platyglossa subsp. campestris R. Mitchel Beauchamp, M. Douglas 1972-3-24 3249 Los Angeles On grassy slope above Pyramid Cove, San Clemente Island 149 Comment
  HSC6810  Lepidium flavum C. S. Apperson 1966-4-16 Los Angeles 10 mi. from Sierra Hwy. W on D Ave. Comment
  SEINET11992602  Lepidium flavum H. H. Heller 1937-1 465 Los Angeles 20 mi E of Lancaster on Victorville Rd Comment
  RSA429895  Lepidium fremontii Anstruther Davidson 1893-5-12 1857 Los Angeles Lancaster. Comment
  UCR217406  Lepidium latifolium David Charlton 2009-9-7 s.n. Los Angeles Western Mojave Desert, Piute Ponds, Edwards Air Force Base, along shores of Ducks Unlimited ponds in SW corner of area 698 Comment
  CAS-BOT-BC339173  Lepidospartum F. Grinnell Jr. 1917-8-19 s.n. Los Angeles Pacoima Wash near San Fernando Comment
  IRVC28751  Lepidospartum squamatum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25533 Los Angeles Newhall Ranch, "Long Canyon," north of Potrero Canyon NE end of Santa Susana Mtns. 366 Comment
  UC33120  Lepidospartum squamatum J. Burtt Davy Oct 1896 2750 Los Angeles Santa Monica Comment
  CAS-BOT-BC273936  Leptochloa fusca subsp. fascicularis Peter H. Raven; Henry J. Thompson 1959-10-4 14553 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Coast Highway just north of mouth of Santa Monica Canyon 15 Comment
  UC881525  Leptodactylon californicum I. W. Clokey and B. C. Templeton 1936-5-18 6805 Los Angeles San Gabriel Canyon Comment
  UC1375293  Leptodactylon pungens Robert F. Thorne, C. W. Tilforth and John Dourley 1971-7-27 41072 Los Angeles saddle ridge between West Baldy and Old Baldy; Angeles National Forest, San Gabriel Mts. 3002 Comment
  RSA592696  Leptosiphon androsaceus L. C. Wheeler 1967-5-2 9264 Los Angeles Liebre Mountains. North side of northwestern most end of foothills (of San Gabriel Mts.) between Bouquet Junction and Bonelli Ranch. 381 Comment
  RSA73037  Leptosiphon breviculus F. W. Peirson 1926-4-27 6665 Los Angeles San Gabriel Mountains. North side of San Gabriel Mountains, Rock Creek. 1296 Comment
  RSA532662  Leptosiphon breviculus T. S. Ross 1991-8-14 5771 Los Angeles Roundtop [Mtn.]. 1768 Comment
  RSA679992  Leptosiphon breviculus LeRoy Gross, Michael Denslow 2003-6-4 976 Los Angeles Trail from Islip Saddle to Mt. Williamson 2195 Comment
  POM364634  Leptosiphon liniflorus Museum Jrs. 1945-06 2134 Los Angeles Seminole Hot Springs. Comment
  RSA0081012  Leptosiphon parviflorus LeRoy Gross 1999-4-29 139 Los Angeles Santa Susana Mountains, East End: Rice Canyon, north on interstate 5, exit Calgrove Ave. turn left to the old road, City of Newhall. 427 Comment
  SEINET12192458  Leptospermum laevigatum Unknown 1945-1 s.n. Los Angeles Pasadena Comment
  RSA0080770  Leptosyne bigelovii R. G. Swinney 2010-5-19 12771 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
  SFV13265  Leptosyne calliopsidea M. J. Thor 1983-4-16 175 Los Angeles Mojave Desert South of Saddle Back Butte State Park, along 170th Street. 790 Comment
  RSA607818  Lessingia glandulifera var. glandulifera Louis C. Wheeler 1968-7-22 s.n. Los Angeles San Gabriel Mountains; Devil's Canyon 1433 Comment
  UC1532954  Lessingia glandulifera var. glandulifera C. W. Tilforth and John Dourley 1973-5-24 820 Los Angeles ca 2 mi ene Valyermo (n edge of mountains); San Gabriel Mountains, Bob's Gap Comment
  UC166733  Lessingia glandulifera var. glandulifera unknown 1906-9-14 Los Angeles Pasadena Comment
  UCR280874  Lessingia glandulifera var. glandulifera R. G. Swinney 2014-5-7 16405 Los Angeles San Gabriel Mountains, east of Valyermo, east end of Holcomb Ridge, 0.35-0.45 miles north of Panorama Rd., 2.5 road miles east of Bob's Gap Road, in north-south arroyo cutting through Holcomb Ridge 1366 Comment
  UCR205706  Leucaena leucocephala A. C. Sanders, T. B. Salvato 2009-5-18 36803 Los Angeles San Gabriel Valley, Montebello Hills, north side of the Pomona (60) Freeway, SW of Greenwood Ave., south of Potrero Grande Dr., under SCE powerlines near substation 116 Comment
  RSA584884  Leymus condensatus Timothy S. Ross, Steve Boyd 1990-6-1 2781 Los Angeles Magnetic Springs: in Moody Canyon (ca. 2.15 air-miles NW of Mt. Gleason). 1195 Comment
  RSA750206  Leymus triticoides R. G. Swinney 2005-7-21 8319 Los Angeles Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  UCR152483  Ligustrum japonicum A. C. Sanders, Lee Jones 2005-4-8 29365 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  SEINET3259578 Image available Lilium humboldtii R. G. Swinney 1998-7-10 6367 Los Angeles San Gabriel Mtns.; confluence of Bear Gulch and Prairie Fork Canyon, south side of canyon along Prairie Fork stream. 1488 Comment
  UCR194052  Lilium humboldtii R. G. Swinney 1998-8-21 6782 Los Angeles San Gabriel Mtns., Cow Canyon, c. 0.5 air mi. due west of Cow Canyon Saddle 1152 Comment
  RSA68709  Lilium parryi Frank W. Peirson 1921-7-17 2515 Los Angeles Prairie Fork of San Gabriel River, San Gabriel Mountains. 2134 Comment
  SD230124  Lilium parryi Louis C. Wheeler 1970-9-10 Los Angeles San Gabriel Mountains: South Fork Alder Gulch. 1676 Comment
  UCR101225  Lilium parryi L. C. Wheeler 1954-9-1 7082 Los Angeles San Gabriel Mtns., Little Rock Creek, c. 1 mi downstream from Cooper Creek 1677 Comment
  RSA621044  Linanthus bigelovii J. Mark Porter 1998-4-27 11831 Los Angeles Antelope Valley: Hill N. of Saddleback Butte State Park (N. of Ave. J.) Comment
  UCR43305  Linanthus breviculus David Charlton 1986-6-15 225 Los Angeles San Gabriel Mtns, Lightning [=Blue?] Ridge at the intersection of Forest Rd. 3N06 and Angeles Crest Hwy, c. 4 mi NW of the San Bernardino Co. line and 5 mi NW of Wrightwood 2256 Comment
  LA52338  Linanthus californicus Mary Reynolds; 1937-5-20 185 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA517141  Linanthus californicus T. S. Ross, S. D. Boyd 1990-5-14 2487 Los Angeles Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District 1064 Comment
  RSA654197  Linanthus californicus Kelly Middleton, David Middleton 1988-5-8 1 Los Angeles Glendora Ridge Road, 4.4 miles north of Glendora Mountain road and Sierra Madre Blvd. in Glendora 1220 Comment
  RSA468440  Linanthus californicus subsp. glandulosus Mary H. Ward 1970-6-19 s.n. Los Angeles San Rafael Hills, behind Linda Vista, southwestern Pasadena Comment
  HSC87036  Linanthus parryae A. C. Sanders, B. Pitzer, J. Lyman 1988-4-4 7776 Los Angeles Lancaster, near Quartz Hill, S of Ave. L at 37th St. W 747 Comment
  SBBG64491  Linanthus parryae M. N. Ackley 1927-5-8 Los Angeles Little Rock foothills 914 Comment
  RSA80421  Linaria canadensis var. texana F. W. Peirson 1920-5-12 2129 Los Angeles San Gabriel Wash at Foothill boulevard, west of Azusa. 183 Comment
  UCR182718  Linaria canadensis var. texana R. G. Swinney 1998-4-11 5937 Los Angeles San Gabriel Mtns, Claremont, 0.5 to 1 mi. NE of Padua Hills Restaurant, which is on Padua Dr. 793 Comment
  LA200844  Lithophragma affine W. O. Griesel; 1936-4-25 sn Los Angeles SANTA MONICA MOUNTAINS, La Sierra Canyon Comment
  LA33627  Lithophragma affine Henry J. Thompson; 1959-4-19 1943 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  UCSB2563  Lithophragma affine Foster, R. 1987-4-3 Los Angeles Near Camp Baldy Road, east of Monte Vista Avenue, Claremont Comment
  SFV22057  Lithophragma affine subsp. mixtum V. Soza, L. Gross, B. Hogshead 2001-4-18 1154 Los Angeles Verdugo Mountains Verdugo Mountains. Ridgetop above McDonald Creek. North-northwest-facing slope above trail. 396 Comment
  RSA527760  Lithophragma maximum Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4318 Los Angeles San Clemente Island. East side of island, near Malo Point, second canyon south of Bryce Canyon. Comment
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Feb 20 2014
  UCR194271  Lobelia dunnii var. serrata R. G. Swinney 1998-8-6 6682 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 Comment
  UC416547  Lobelia dunnii var. serrata M. Reed 1895-8-22 Los Angeles Sierra Madre Mountains, top of Claremont Claremont; Sierra Madre Mountains, Claremont Comment
  UCSB31750  Loeseliastrum matthewsii Cummings, C. 1965-4-23 Los Angeles 23 mi. east of Palmdale 762 Comment
  SFV4889  Logfia filaginoides M. H. Grayum 1971-5-3 s. n. Los Angeles Santa Monica Mountains Tapia Park. 152 Comment
  SD68987  Logfia filaginoides Peter H. Raven 1962-4-10 17208 A Los Angeles San Clemente Island; at the summit of Thirst. 580 Comment
  SFV16510  Logfia filaginoides K. Tajbakhsh 1996-5-2 21 Los Angeles San Fernando Valley Chatsworth. Rocky Point Park about 300 m on the main trail on a west facing slope. Comment
  CAS-BOT-BC283442  Lolium multiflorum Peter H. Raven; Henry J. Thompson 1959-10-14 14627 Los Angeles Santa Monica Mountains. E end of Malibu Lake 220 Comment
  RSA595322  Lolium perenne D. L. Banks 1996-4-24 908 Los Angeles Claremont, 580 S. Bucknell Ave, Apt. M. Comment
  RSA187832  Lolium temulentum R. F. Thorne 1966-4-29 36295 Los Angeles Santa Catalina Island. Middle Ranch, Middle Ranch Canyon 198 Comment
  RSA603273  Lolium temulentum L. C. Wheeler 1936-6-16 4160 Los Angeles Bell Canyon, San Gabriel Mts. 701 Comment
  SEINET10592077  Lolium temulentum Darnel 1904-5-10 DARNEL 702 Los Angeles Pasaden, Los Angeles County, southern California. Comment
  RSA0087060  Lomatium dasycarpum R. G. Swinney 2010-3-14 11901 Los Angeles Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road. 447 Comment
  RSA670042  Lomatium dasycarpum D. Yost 1967-4-15 s.n. Los Angeles Malibu 152 Comment
  UC1375323  Lomatium dasycarpum Gary D. Cromwell and David W. Wheat 1971-4-21 21 Los Angeles 2 mi NE of Glendora (Mystic Canyon, S of fire break); San Gabriel Mountains, Angeles National Forest 556 Comment
  UCD127630  Lomatium dasycarpum subsp. dasycarpum Steve Boyd; Lauren Raz, Timothy S. Ross 1997-4-1 9467 Los Angeles upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of 'Osito Flat. 792 Comment
  RSA97319  Lomatium lucidum F. W. Peirson 1920-3-28 2098 Los Angeles North slope of low hills at foot of Tujunga Canyon, w. end of San Gabriel Mountains. 457 Comment
  UC566869  Lomatium mohavense H. L. Mason 1926-4-26 2994 Los Angeles 1 mi. e. Palmdale Comment
  SEINET8465436 Image available Lomatium mohavense Wesley O. Griesel 1958-5-3 Los Angeles Santiago Canyon, desert foothills of San Gabriel Mts. 1067 Comment
  UC1584240  Lonicera interrupta Tim Ross, Steve Boyd 1990-6-6 2885 Los Angeles s and w Piru Pond; Los Padres National Forest, Liebre Mtn. USGS 7.5' quadrangle 644 Comment
  CAS-BOT-BC234813  Lonicera subspicata Joseph Andorfer Ewan 1936-8-2 9917 Los Angeles Mescal Creek, San Gabriel Mts. 1615 Comment
  CAS-BOT-BC234819  Lonicera subspicata Alice Eastwood 1919-6-20 9036 Los Angeles Mt. Wilson Comment
  CAS-BOT-BC234855  Lonicera subspicata var. denudata Prof. W. R. Dudley 1907-12-1 s.n. Los Angeles Near Monrovia Comment
  CAS-BOT-BC234867  Lonicera subspicata var. denudata F. A. M. 1931-7-8 3079 Los Angeles Tuna Canyon, Verdugo Hills Comment
  LA94327  Lonicera subspicata var. denudata A. M. Johnson; 1934-4-20 4439 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  SEINET12320789  Lonicera subspicata var. johnstonii R. A. Schlising 1971-1 2995 Los Angeles 0.8 mi W of Red Box jct to Mt. Wilson, along Angeles Crest Highway (Hwy 2) Comment
  RSA177826  Lotus dendroideus var. dendroideus R. F. Thorne, P. C. Everett 1965-5-10 34426 Los Angeles Santa Catalina Island. Along Summit Road near Hogsback 91 Comment
  RSA579313  Lotus heermannii var. heermannii T. S. Ross 1994-7-1 8081 Los Angeles Sheep camp spring. 334 deg. and 520 m NNW of Pacifico Mtn summit, at the headwaters of Santiago Canyon. 1921 Comment
  IRVC29547  Lotus humistratus A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-29 26155 Los Angeles Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east Lake Hughes Rd. Western San Gabriel Mtns. 488 Comment
  UC212351  Lotus nevadensis var. davidsonii I. Johnston 1917-7-4 1423 Los Angeles s slope Baldy Comment
  UCR193588  Lotus oblongifolius R. G. Swinney 1998-8-10 6730 Los Angeles San Gabriel Mtns., Cattle Canyon, west of (downstream from) Thompson Flat 732 Comment
  RSA0080072  Lotus purshianus R. G. Swinney 2010-6-4 13034 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA0091492  Lotus salsuginosus R. G. Swinney 2010-3-13 11888 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  RSA0114806  Lotus salsuginosus R. G. Swinney 2011-4-26 14478 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
  POM243728  Lotus salsuginosus F. R. Fosberg 1931-3-26 S- 4386 Los Angeles Santa Catalina Island. Sea bluffs W Hamilton Cany[on]. 90 Comment
  UC56591  Lotus salsuginosus H. M. Hall 1902-5-2 3094 Los Angeles San Francisquito Pass 457 Comment
  RSA762060  Lotus salsuginosus var. salsuginosus Orlando Mistretta, Christine Mistretta 2008-5-16 3098 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 109 per TRTP Survey 2008), Upper Fish Canyon. 1001 Comment
  UCR76416  Lotus scoparius subsp. scoparius T. S. Ross, Matthew Bell 1992-3-22 6052 Los Angeles Western Transverse Range; Santa Monica Mountains, west side of Yerba Buena Road c. 360 m NNW of intersection with Mullholand Hwy 488 Comment
  RSA662145  Lotus scoparius var. brevialatus Stephen Hill 1981-2-27 29 Los Angeles Hwy 39 at Information Center approx. 1 mile N of Sierra Madre St. adjavcent to parking lot at information center. Comment
  RSA714686  Lotus scoparius var. scoparius A. C. Sanders, Mark A. Elvin 2003-6-18 26953 Los Angeles Western Transverse Range: around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon. 1037 Comment
  POM2449  Lotus strigosus Amos Shummway 1903-05 s.n. Los Angeles Collected near Pasadena Comment
  RSA498736  Lotus strigosus Freda Detmers 1929-4-14 s.n. Los Angeles Descanso Canyon, Santa Catalina Island. Comment
  UC69540  Lotus strigosus Joseph Burtt Davy May 9 1896-May 24 1896 2530 Los Angeles Manzana Antelope Valley Comment
  UCR155119  Lotus strigosus A. C. Sanders 2005-5-5 29921 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, hills at SW end of Cruzan Mesa at Bench Mark 'Plum 701 Comment
  UCR273435  Lotus strigosus R. G. Swinney 2011-4-26 14491 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
  RSA347556  Lotus strigosus B. A. Prigge 1986-3-20 6974 Los Angeles 0.4 miles east of Gorman on Lancaster Road 1128 Comment
  RSA406259  Lotus unifoliolatus F. R. Fosberg 1931-7-14 773 Los Angeles Hay Press, Santa Catalina Island 350 Comment
  RSA0103918  Lotus unifoliolatus var. unifoliolatus R. G. Swinney 2011-10-10 15759 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
  POM7993  Lupinus agardhianus Anstruther Davidson 1920-04 s.n. Los Angeles Santa Susana Pass Comment
  RSA406978  Lupinus albifrons var. eminens Geo. L. Moxley 1920-5-1 s.n. Los Angeles Catalina Island. Comment
  RSA729781  Lupinus andersonii R. G. Swinney 1998-7-2 6243 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
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May 3 2010
  SFV16093  Lupinus benthamii J. M. Kneitel, et al. 1995-4-15 27 Los Angeles San Gabriel Mountains Gorman, 0.5 miles east of Interstate Highway 5. 1220 Comment
  SEINET3860169  Lupinus bicolor R. G. Swinney 2009-3-25 10153 Los Angeles San Gabriel Mtns. Foothills: far west end of Glendora Ridge Motorway on north of road at boundary of El Encanto Azusa River Wilderness Park.; 0 549 Comment
  SFV1866  Lupinus bicolor H. L. Bauer 1941-4-21 679 Los Angeles El Segundo sand dunes. 30 Comment
  UCR126249  Lupinus bicolor A. C. Sanders 2003-3-14 25782 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
  UCR275283  Lupinus bicolor Jeremiah George 2012-3-1 s.n. Los Angeles South Coast, Entradero Park, West Torrance near Redondo Beach 23 Comment
  SEINET10484878  Lupinus bicolor subsp. microphyllus Robert F. Thorne 1971-3-31 Thorne 41445 Los Angeles San gabriel mountains; johnson's pastures, n of mountain ave 549 Comment
  SEINET10970221  Lupinus bicolor subsp. pipersmithii Noel H. Holmgren, Patricia K. Holmgren 1974-4-5 Holmgren s.n. Los Angeles Mojave desert, antelope valley, 2.2 mi. W of fairmont, 14 airline mi. W of Lancaster. T.7 n., R.14 w., Sec.4. Elevation 2650 ft. 808 Comment
  CAS-BOT-BC187875  Lupinus chamissonis LeRoy Abrams 1902-6-9 2502 Los Angeles Playa del Rey Comment
  LA205011  Lupinus chamissonis J. A. Ewan; 1931-1-1 4003 Los Angeles N of Hyperion 60 Comment
  SBBG96754  Lupinus concinnus S. Boyd with T. Ross, L. Arnseth 1990-4-7 4281 Los Angeles lower half of China Cyn, sand dunes at cyn mouth Comment
  POM19046  Lupinus elatus P. A. Munz 1923-8-31 8400 Los Angeles Swarthout Valley 2561 Comment
  CAS-BOT-BC216660  Lupinus excubitus subsp. hallii C. F. B. 1903-4-1 4102 Los Angeles Anaheim Comment
  UCR274620  Lupinus excubitus var. austromontanus Daisie Huang 2008-3-18 80318- 02 Los Angeles Along Gorman Post Road, near large 'Gorman' billboard 1120 Comment
  POM184668  Lupinus excubitus var. johnstonii Joseph A. Ewan 1932-5-29 7189 Los Angeles Summit of Mount Gleason 1829 Comment
  SBBG113041  Lupinus hirsutissimus S. A. Junak with K. Kirkland 1998-4-30 SCa 561 Los Angeles upper part of Hamilton Cyn drainage, just downslope from Airport Rd 304 Comment
  SBBG69386  Lupinus hirsutissimus M. N. Ackley -Mar-1928 529 Los Angeles Eagle Rock 304 Comment
  POM277135  Lupinus hirsutissimus E. S. Steele, H. S. Pratt 1935-2-20 s.n. Los Angeles Glendale. Comment
  RSA304950  Lupinus hirsutissimus Walt Westman 1979-1 s.n. Los Angeles Leo Carrillo State Park. 46 Comment
  RSA413685  Lupinus hirsutissimus Ella M. Kennedy 1923-5-2 s.n. Los Angeles San Gabriel Canyon Comment
  UCR242030  Lupinus longifolius Dan S. Cooper 2012-7-5 712- 35 Los Angeles Los Angeles Basin, Culver City area, Baldwin Hills, Kenneth Hahn Park just west of South La Brea Blvd 145 Comment
  SEINET10485616  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
  UC586883  Lupinus polyphyllus var. burkei Joseph Andorfer Ewan 1934-8-4 8325 Los Angeles Guffys Spring San Gabriel Mts., s end of Blue Ridge, Cienega, Guffys Sprin (Cienega, s end Blue Ridge) 2438 Comment
  RSA756082  Lupinus sparsiflorus R. G. Swinney 1998-4-14 5987 Los Angeles Pinyon 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
  SBBG67041  Lupinus sparsiflorus R. Hoffmann 1929-4-26 Los Angeles Soledad Cyn Comment
  UCR200184  Lupinus sparsiflorus Valerie Soza, Laura A. Moore 2000-5-10 837 Los Angeles Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive at fire gate to powerlines 579 Comment
  RSA177719  Lupinus succulentus Robert F. Thorne, Percy C. Everett 1965-5-11 34660 Los Angeles Along summit road to airport, Santa catalina Island. 457 Comment
  SBBG117013  Lupinus succulentus S. A. Junak with R. N. Philbrick 2001-5-18 SCa 1539 Los Angeles Cottonwood Cyn, just S of Cottonwood-Blackjack Rd, ca. 2.6 mi inland from mouth of cyn 256 Comment
  OBI70651  Lupinus succulentus Tim Ross 1991-4-21 4515 Los Angeles Whittier Hills (Puente Hills, pro parte) Middle Turnbull cyn drainage just SW of old water tank. T2S, R11W, SW/4 NE/4 sec 15 219 Comment
  SD84827  Lupinus succulentus Reid Moran 1941-3-2 666 Los Angeles Santa Catalina Island; between Wilson's Cove and Howlands. 24 Comment
  SFV7374  Lupinus succulentus T. Gordon, M. H. Grayum, R. Johnson 1975-4-18 893 Los Angeles Santa Monica Mountains Along Corral Canyon Road on section overlooking Dry Canyon. 274 Comment
  RSA619262  Lupinus truncatus R. S. Woglum 1930-5-17 s.n. Los Angeles South Coast: Pasadena. Comment
  RSA724497  Lupinus truncatus K. Dobry 1990-3-25 117 Los Angeles Simi Hills at Dayton Canyon Comment
  SBBG133191  Lupinus truncatus J. Savage 2003-4-13 JS 14 -2003 Los Angeles N edge of Middle Ranch Cyn by MR1 260 Comment
  UCR231800  Lupinus truncatus Darren T. Hasegawa 2007-4-8 s.n. Los Angeles San Gabriel Mtns, Eaton Canyon Park, Angeles National Forest, c. 2 mi. north of I-210 366 Comment
  RSA3187  Lupinus truncatus C. B. Wolf 1932-5-8 2676 Los Angeles Low bluffs bordering Newport Bay, 1/2 mile north Corona Delmar, Orange County, Alt 25ft 8 Comment
  UCR250327  Lycium brevipes var. hassei R. E. Riefner Jr. 2013-4-8 13- 175 Los Angeles Palos Verdes Peninsula, Palos Verdes Estates, Bluff Cove, c. 0.25 mi north from Paseo Del Mar along Palos Verdes Drive West 93 Comment
  CAS-BOT-BC233485  Lycium californicum Timothy S. Ross; J. Mark Porter; Gery Allan; Vanessa Ashworth; Darin Banks; Megan Tommerup 1994-3-28 7430 Los Angeles Ranch Palos Verdes, southerly coastal bluffs near 154 foot triangulation point, 1875 m SE of Inspiration Point, San Pedro 7.5' USGS, Palos Verdes Peninsula 18 Comment
  POM156214  Lycium californicum L. R. Abrams 1903-3-14 3131 Los Angeles San Pedro Hills, near Rocky Point. Comment
  CAS-BOT-BC231604  Lycium cooperi Alice Eastwood; John Thomas Howell 1937-4-26 3974 Los Angeles Near Palmdale Comment
  RSA587220  Lycium cooperi Orlando Mistretta 1995-5-2 1671 B Los Angeles San Gabriel Mountains: Carr Canyon. 1052 Comment
  RSA587512  Lycium cooperi Orlando Mistretta 1995-3-24 1559 Los Angeles San Gabriel Mountains: Carr Canyon. 1067 Comment
  UC1083109  Lycium cooperi Herbert L. Mason 1926-4-26 2969 Los Angeles Mint Canyon Road, summit of 1st grade San Gabriel Mts. Comment
  RSA83442  Lycopus americanus F. W. Peirson 1908-9-2 1075 Los Angeles Banks of Rio Hondo, El Monte. Comment
  UC54956  Lycopus americanus H. P. Chandler 1902-9-9 2035 Los Angeles <Balloma> Ballona Marshes Comment
Read comments
Jul 6 2010
  SBBG11602  Lyonothamnus floribundus var. aspleniifolius P. H. Raven 1962-5-9 17682 Los Angeles near head of cyn above Mosquito Cove 274 Comment
  RSA0034760  Lythrum californicum Louis Cutter Wheeler 1932-7-9 953 Los Angeles Rogers Canyon, San Gabriel Mts. 441 Comment
  RSA190905  Madia gracilis R. F. Thorne 1967-5-18 36857 Los Angeles Santa Catalina Island: Middle Bulrush Canyon 244 Comment
  UCR204433  Madia gracilis R. G. Swinney 2003-5-12 8199 Los Angeles San Gabriel Mountains, Glendora, Big Dalton Canyon Wilderness Park, c. 0.5 mi. S of Big Dalton Cyn. Rd. and c. 0.9 mi. E of Glendora Mtn. Rd., 100 yds N of Big Cienega Spring Rd. 610 Comment
  SBBG95387  Madia gracilis M. B. Dunkle 1928-5-13 1944 Los Angeles Coach Rd 243 Comment
  RSA188371  Madia sativa R. F. Thorne, Percy C. Everett 1965-6-22 34910 Los Angeles Santa Catalina Island, above Avalon. 152 Comment
  UCSB33708  Maianthemum stellatum Miller, Brian 1960-7-6 Los Angeles Dawson's Saddle area, San Gabriel, Mountains 2316 Comment
  SBBG98444  Malacothamnus clementinus T. Ross 1991-5-23 5506 Los Angeles Wilson Cove settlement; lawn at bus stop on N side of Bldg 60112 53 Comment
  RSA188144  Malacothamnus fasciculatus Robert F. Thorne, P. Everett 1965-6-24 35045 Los Angeles Santa Catalina Island. Road down to Shark Harbor Beach 30 Comment
  UC527609  Malacothamnus fasciculatus var. fasciculatus C. B. Wolf 1931-6-25 2242 Los Angeles sw Los Angeles Botanic Garden (along Beverly Blvd, Madeville Canyon); Madeville Canyon 60 Comment
  RSA599827  Malacothamnus fremontii Steve Boyd, Lauren Raz 1997-5-6 9751 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  RSA756906  Malacothamnus fremontii R. G. Swinney 2008-6-17 9036 Los Angeles 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway. 1992 Comment
  UCR127636  Malacothamnus fremontii Mark A. Elvin 2003-8-13 2986 Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River at the mouth of Long Canyon 274 Comment
  CAS-BOT-BC204195  Malacothamnus marrubioides John Thomas Howell 1950-11-9 27485 Los Angeles 12 miles north of Castac [Castaic] 609 Comment
  UCR18012  Malacothrix californica A. C. Sanders 1976-5-9 00152 Los Angeles Mojave Desert, Hwy 138 at the W end of the Antelope Valley 976 Comment
  CAS-BOT-BC345326  Malacothrix californica Ernest C. Twisselmann 1962-4-18 6955 Los Angeles Tehachapi Mountains. Oso Canyon, about 0.5 mile above Oso Corral 975 Comment
  POM362255  Malacothrix californica Elbert Benjamine 1929-3-31 130 Los Angeles Antelope Valley. Comment
  SEINET7016740  Malacothrix californica Wanda P. Vestal, A. G. Vestal 1955-3-26 s.n. Los Angeles Antelope Valley, east of Fairmont on 110th Street. Comment
  POM362277  Malacothrix coulteri Anstruther Davidson 3640 Los Angeles Catalina [Island] Comment
  RSA771900  Malacothrix coulteri R. G. Swinney 2009-5-5 10625 Los Angeles Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  UCR73396  Malacothrix foliosa subsp. foliosa T. S. Ross, O. Mistretta, M. Hammit 1991-5-17 5080 Los Angeles Channel Islands, San Clemente Island, West Cove, SW of new landing field 6 Comment
  UCR167549  Malacothrix glabrata 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
  UCD134420  Malacothrix glabrata Marc Meyer; Mike Alvord, Marc Blain 1993-5-1 18 Los Angeles Mojave Desert, 0.4 mile from Pearblossum Hwy and Largo Vista Road near Three Sisters. 1100 Comment
  UCR219936  Malacothrix saxatilis R. G. Swinney 2009-4-16 10380 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel fire road, Van Tassel Canyon 439 Comment
  UCR258561  Malacothrix saxatilis R. G. Swinney 2010-5-29 13011 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  CAS-BOT-BC347913  Malacothrix saxatilis var. tenuifolia John Thomas Howell 1931-6-6 6667 A Los Angeles 17 miles s. of Sandberg's Summit, Ridge Route Comment
  CAS-BOT-BC347919  Malacothrix saxatilis var. tenuifolia Geo. B. Grant 1902-7-2 s.n. Los Angeles Santa Monica Comment
  LA88578  Malacothrix saxatilis var. tenuifolia O. H. Kappler; 1943-5-23 474 Los Angeles Santa Monica Mountains, Barney Knob, Lechusa Fire Station 518 Comment
  RSA386403  Malosma laurina Edwin Kline 1924-6-22 s.n. Los Angeles [Unspecified], foothills Comment
  UCR280660  Malva parviflora R. G. Swinney 2014-5-21 16604 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  LA38809  Malva parviflora Peter H. Raven; Henry J. Thompson 1959-10-4 14584 Los Angeles Santa Monica Mountains, Point Mugu, 2 mi. N of Point Mugu along field by Revolon Slough 9 Comment
  UCD107553  Marah horrida Daryl Koutnik; Bruce Holguin 1978-4-1 220 Los Angeles Elizabeth Lake Road, northwest of Palmdale. 914 Comment
  LA200413  Marah macrocarpa Carl Epling; 1939-5-12 sn Los Angeles Santa Monica Mountains, Tuna Canyon, ca. 0.5 way down (not specific) Comment
  RSA440983  Marah macrocarpa H. L. Bauer 1931-5-1 s.n. Los Angeles Topanga Canyon, Santa Monica Mtns Comment
  RSA660763  Marah macrocarpa Jeff Weiler 1981-4-4 1 Los Angeles Edison right of way between Foothills Blvd. and Olive Lane. Adjacent to Indian Ave. In La Canada. Comment
  SBBG95934  Marah macrocarpa M. B. Dunkle 1939-11-24 7352 Los Angeles San Clemente Island Comment
  UC76642  Marah macrocarpa Geo. B. Grant April, 1902 778 Los Angeles Pasadena Comment
  UCSB52719  Marah macrocarpa Boutin, F. 1967-4-23 Los Angeles San Clemente Island; E side of island, Lemon Tank, a dump site 304 Comment
  RSA167065  Marah macrocarpa W. G. Webb 1935-1-25 s.n. Los Angeles Near Glendale Comment
  RSA592469  Marah macrocarpa Mark Hoefs 1973-3-13 59 Los Angeles Upper Avalon Canyon, by water tank above Wrigley Memorial, north exp. 274 Comment
  RSA0031678  Marrubium vulgare J. B. 1968-12-13 2 Los Angeles La Tuna Canyon. 548 Comment
  SBBG98082  Marrubium vulgare T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5143 Los Angeles beginning of Larkspur Cyn drainage, 1600 ft SE of Benchmark 924 at E end of the old airfield landing strip 249 Comment
  RSA409822  Marrubium vulgare Ora M. Clark 1928-12-23 1388 Los Angeles N of San Pedro. Comment
  UCR213575  Marsilea vestita A. C. Sanders, Dan S. Cooper 2010-4-30 38160 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA597816  Matricaria matricarioides L. C. Wheeler 1969-4-19 s.n. Los Angeles San Gabriel Mts; Placerita Canyon. 579 Comment
  UCR204743  Medicago lupulina R. G. Swinney 2005-8-9 8418 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  POM348025  Medicago polymorpha George B. Grant 1908-5-16 s.n. Los Angeles Garvanza Comment
  UCR260352  Medicago polymorpha R. G. Swinney 2010-5-4 12547 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
  CATA318  Medicago sativa Mark L. Hoefs 1973-6-5 345 Los Angeles Santa Catalina Island: Skull Canyon 182 Comment
  CHSC106485  Medicago sativa K. Dobry 1991-6-24 733 Los Angeles At Soka Univ. Santa Monica Mts. Las Virgenes and Mulholland Hwy. Comment
  UCR190605  Melaleuca citrina R. G. Swinney 2000-5-10 7678 Los Angeles San Gabriel Mtns./San Gabriel Valley, San Gabriel River bottom, c. 300 m north of Foothill Ave. in Azusa, east side of river 183 Comment
  UCR51901  Melianthus major A. C. Sanders 1988-5-18 7817 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  CAS-BOT-BC281497  Melica imperfecta L. R. Abrams 1909-5-15 5316 Los Angeles Near Claremont Comment
  CAS-BOT-BC281537  Melica imperfecta Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-8 4289 Los Angeles San Clemente Island. E side of island, near Malo Pt, first canyon S of Bryce Canyon Comment
  POM1210  Melica imperfecta C. F. Baker 1909-5-15 5316 Los Angeles Mountains near Claremont Comment
  POM204804  Melica imperfecta A. Chase 1904-05 4782 Los Angeles Hills near Claremont Comment
  POM357034  Melica imperfecta Freda Detmers 1929-4-13 s.n. Los Angeles Descanso Canyon, Santa Catalina Island. Comment
  RSA583078  Melica imperfecta Timothy S. Ross 1993-4-22 6882 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, lichen-covered outcrop on NNW side of 1528-ft peak. 447 Comment
  UC736845  Melica imperfecta Frank W. Gould 1944-4-1 2193 Los Angeles Playa del Rey Comment
  RSA0062838  Melilotus albus LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6761 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  LA200493  Melilotus indicus J. Fisher; 1940-4-22 sn Los Angeles Santa Monica Mountains, Franklin Canyon Comment
  UCR210480  Melinis repens R. G. Swinney 2008-12-2 9924 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 0.8 mi. north of Foothill Blvd. 195 Comment
  UCR239023  Mentzelia dispersa Anuja Parikh, Nathan Gale 2010-6-17 3318 Los Angeles Transverse Range; San Gabriel Mountains, Upper Big Tujunga Canyon, 0.2 km north of State Hwy 2, Angeles Crest Hwy, 0.5 km northeast of its intersection with Upper Big Tujunga Canyon Road, under powerlines 1365 Comment
  POM188391  Mentzelia jonesii P. A. Munz, T. Craig 1933-5-13 12934 Los Angeles 12 miles south of Munroc. Comment
  RSA158232  Mentzelia laevicaulis David P. Gregory 1961-7-12 471 Los Angeles San Gabriel Mts. Gravelly flats near the stream in canyon bottom; Prairie Fork over the ridge from Wrightwood. Comment
  UCR145823  Mentzelia laevicaulis June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek Fire Station, Fenner Canyon 1616 Comment
  UC1121708  Mentzelia laevicaulis var. laevicaulis Jerome S. Horton 1936-8-12 374 Los Angeles near West Gate (Road to Fern Canyon); Cucamonga Quadrangle 1066 Comment
  SBBG112828  Mentzelia micrantha S. A. Junak with M. L. Hoefs, K. Kirkland, L. Stratton 1998-7-16 SCa 755 Los Angeles ridge between Fourth of July Cove and Cherry Cove (Lion's Head ridge) 30 Comment
  UCR208487  Mentzelia micrantha Justin M. Wood 2009-4-13 493 Los Angeles San Gabriel Mountains, Foothills above the city of Sierra Madre, 'one carter estates' at the end of Baldwin Ave. 67 Comment
  UCR219399  Mentzelia micrantha R. G. Swinney 2009-3-31 10226 Los Angeles Transverse Range; San Gabriel Mtns., mouth of San Gabriel Canyon, 1.2 mi. north of Foothill Blvd, Azusa/Duarte 183 Comment
  JEPS42751  Mentzelia micrantha Frank W. Peirson 1918-6-12 119 Los Angeles San Gabriel Mts., Lower Rubio Canyon 579 Comment
  UCR223366  Mentzelia veatchiana R. G. Swinney 2009-5-20 10826 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  UCR91565  Mentzelia veatchiana A. C. Sanders, E. J. Lawlor 1988-4-3 7753 Los Angeles Tehachapi Mountains, southwest end of the Tehachapi Mtns, l mi northwest of Gorman on a gasline rd, 0.4 mi above old highway 1284 Comment
  CATA1656  Mesembryanthemum crystallinum Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-6-13 2943 Los Angeles Santa Catalina Island: Behind Little Harbor 9 Comment
  UCR213259  Mesembryanthemum crystallinum A. C. Sanders 2010-5-7 38331 Los Angeles South Coast, Palos Verdes Peninsula, south of Palos Verdes Dr. South, Rancho Palos Verdes near Los Angeles city boundary 3 Comment
  LA209554  Mesembryanthemum crystallinum Jonathan Sauer; D. Birindelli 1969-1-31 4341 Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  RSA659825  Mesembryanthemum nodiflorum Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-4 120 Los Angeles San Clemente Island. Comment
  SBBG108956  Micranthes californica S. A. Junak 1997-3-13 SCl 770 Los Angeles just downstream from head of E fork of first cyn E of Mosquito Cyn 347 Comment
  UCD102821  Micranthes californica Daryl Koutnik 1978-3-27 176 Los Angeles Johnson's Pasture in Live Oak Canyon drainage at north end of Mountain Avenue, Claremont. 579 Comment
  SD260285  Mimetanthe pilosa R. G. Swinney 2011-6-15 15198 D Los Angeles San Gabriel Mountains: Chilao Creek, 100m south and north of Chilao Campground. 1573 Comment
  RSA754236  Mimulus aurantiacus Ellen Mackey, Alexia Mackey 2006-6-29 NFWF- 1759 Los Angeles Turnbull Canyon, Turnbull Canyon Road 349 Comment
  RSA82099  Mimulus aurantiacus Unspecified 1920-4-22 4494 Los Angeles Rubio Canyon, south base of San Gabriel Mountains. 534 Comment
  JEPS23717  Mimulus aurantiacus var. pubescens Peter H. Raven 1959-5-9 14167 Los Angeles 1 mi w Las Virgenes Rd. (Mulholland Hwy.); Santa Monica Mountains, Malibu Creek drainage 274 Comment
  POM267754  Mimulus aurantiacus var. pubescens Arthur L. Cohen 1934-8-2 495 Los Angeles Beverly Drive, Santa Monica. 61 Comment
  RSA439245  Mimulus aurantiacus var. pubescens H. L. Bauer 1931-3-1 s.n. Los Angeles Topanga Canyon. Comment
  RSA442651  Mimulus aurantiacus var. pubescens Unspecified 1910-05 s.n. Los Angeles Hillside, Eagle Rock Comment
  SFV3385  Mimulus aurantiacus var. pubescens A. M. Johnson 1934-5-1 4447 Los Angeles Santa Monica Mountains Sepulveda Canyon. Shaded mountain side. Comment
  UC56997  Mimulus aurantiacus var. pubescens Miss E. D. Palmer before Feb 1902 Los Angeles Los Angeles Comment
  UCR256615  Mimulus aurantiacus var. pubescens Anuja Parikh, Nathan Gale 2011-6-10 3437 Los Angeles Transverse Range; San Gabriel Mountains, south of Kentucky Springs Canyon, 0.8 km west of Angeles Forest Hwy, 1.8 km north of Aliso Canyon Road 1245 Comment
  UCR203182  Mimulus bigelovii R. G. Swinney 2005-5-21 8252 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  UCR127190  Mimulus brevipes A. C. Sanders 2003-5-1 26245 Los Angeles Western San Gabriel Mtns., NE side of Castaic Mesa, near Angeles National Forest boundary, c. 0.6 mi. due west of confluence of Bitter and Charlie Canyons 396 Comment
  UCR189692  Mimulus cardinalis R. G. Swinney 1998-7-30 6579 Los Angeles San Gabriel Mtns., tributary of Cow Canyon at Fallen Leaf Spring, c. 2.4 mi. SW of Cow Cyn. Saddle on Glendora Ridge Rd. 1338 Comment
  RSA279127  Mimulus cardinalis D. Propst, M. Hoefs 1974-9-12 45106 Los Angeles Santa Catalina Island. Cottonwood Canyon below Rancho Escondido. 107 Comment
  SFV16490  Mimulus cardinalis P. M. Schiffman, R. van de Hoek 1996-11-3 s. n. Los Angeles California Channel Islands Santa Catalina Island. Cottonwood Canyon near waterfall. About 0.5 miles from beach. Comment
  UCR276972  Mimulus floribundus R. G. Swinney 2010-6-1 13136 Los Angeles San Gabriel Mountains, Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  RSA403107B  Mimulus fremontii Bonnie C. Templeton 1930-4-8 1040 Los Angeles West of Laneaster Mohave Desert. 450 Comment
  JEPS33833  Mimulus guttatus Blanche Trask June 1903 343 Los Angeles San Clemente Island 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
  RSA550412  Mimulus guttatus Tim S. Ross 1992-7-10 6674 Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater Canyon and Wickiup Canyon. 967 Comment
  SBBG79181  Mimulus guttatus F. R. Fosberg 1932-5-7 8146 Los Angeles Grand Cyn, foot of upper falls 100 Comment
  JEPS4688  Mimulus johnstonii Rimo Bacigalupi with G. Thomas Robbins and L. R. Heckard 1953-6-14 4191 Los Angeles upper slopes of s fork Little Rock Creek Canyon (higher n slopes of mts.); San Gabriel Mts., Angeles National Forest 1432 Comment
  RSA632429  Mimulus johnstonii Valerie L. Soza, LeRoy Gross, Jean Kuo 1999-7-6 610 Los Angeles San Gabriel Mountains: Southwestern side of Big Rock Creek, Manzanita Trail from South Fork Campground. 1585 Comment
  SEINET3079729 Image available Mimulus longiflorus David Charlton 1987-1-31 639 Los Angeles Saddle Peak, Santa Monica Mountains. 610 Comment
  RSA0127218  Mimulus palmeri Louis C. Wheeler 1967-7-15 10061 Los Angeles Angeles National Forest. Southwest side of Mt. Waterman. 2134 Comment
  UCR139918  Mimulus pilosus Scott D. White 1997-5-14 5122 Los Angeles Base of San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, SW of 210 Freeway, east of Hansen Dam and north of Wentworth Street 351 Comment
  UC1076499  Minuartia douglasii Margaret Stason 1927-5-14 Los Angeles Pinon Ridge San Gabriel Mountains Comment
  UC50347  Minuartia douglasii H. M. Hall Apr. 1903 3761 Los Angeles Playa del Rey Comment
  RSA587377  Minuartia douglasii Orlando Mistretta 1995-4-21 1634 Los Angeles Little Rock Creek. Un-named canyon draining the west slopes of Little Rock Creek canyon 0.5 mile N of Kitter Canyon 1052 Comment
  RSA225888  Minuartia nuttallii subsp. gracilis R. F. Thorne, C. W. Tilforth, John Dourley 1971-7-27 41068 Los Angeles San Gabriel Mountains, Angeles National Forest: west Baldy Peak on ridge running E toward Old Baldy (Mt. San Antonio) 3018 Comment
  CHSC1080  Mirabilis californica 1940-4-13 Los Angeles Spreading Grounds above Claremont. Comment
  UCR95444  Mirabilis californica var. californica L. C. Wheeler 1967-4-30 9245 Los Angeles San Gabriel Mtns, Limekiln Canyon 564 Comment
  UCD170135  Mirabilis jalapa R. G. Swinney 2008-12-2 9929 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 0.8 mi. north of Foothill Blvd. 195 Comment
  CATA1948  Mirabilis laevis Reid Moran 1941-3-14 706 Los Angeles Santa Catalina Island: Ridge north of Middle Ranch 91 Comment
  UCR127034  Mirabilis laevis Mark A. Elvin 2003-4-9 2469 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, canyon north of SR 126 from 'Grapevine Mesa 335 Comment
  RSA464649  Mirabilis laevis var. crassifolia Thekla Mohr s.n. Los Angeles Los Angeles. Comment
  CAS-BOT-BC434878  Mirabilis multiflora var. pubescens Ynez Whilton Winblad 1941-6-4 s.n. Los Angeles Antelope Valley Comment
  SD50752  Mirabilis multiflora var. pubescens Darley F. Howe 1959-5-3 2714 Los Angeles 29 miles west of Lancaster. Comment
  UCR115990  Monardella breweri subsp. lanceolata A. C. Sanders, D. Malueg 1998-6-22 22038 Los Angeles San Gabriel Mtns., Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon 1006 Comment
  SD46650  Monardella exilis P. C. Everett, E. K. Balls 1956-5-9 21571 Los Angeles 5.2 miles north of Los Angeles-Kern Co. line, along Highway 6. 730 Comment
  RSA408714  Monardella hypoleuca H. E. Hasse 1906-01 1621 Los Angeles [Topanga canyon. ?] Comment
  RSA699467  Monardella lanceolata LeRoy Gross, P. Morton 2004-6-10 1377 Los Angeles East end of the main crest; (Road surveys for the Angeles National Forest, road 7N23) Traveled from east to west [west to east] from the junction with Atmore Meadows road (7N19) along Sawmill Mountain to Burnt Peak road (7N23A) 1590 Comment
  RSA252940  Monoptilon bellidiforme R. F. Thorne, Gary D. Wallace 1973-4-24 43433 Los Angeles Ft. Tejon Road near junction with Longview Road, c. 3 mi S of Pearblossom Road 1067 Comment
  SEINET3133940  Mucronea californica L. Abrams 1902-6-10 2507 Los Angeles Playa del Ray Comment
  RSA594541  Muhlenbergia californica F. R. Fosberg, Joseph A. Ewan 1931-8-13 798 Los Angeles Big Cienega, Pine Flats, N fork, San Gabriel River Comment
  RSA729767  Muhlenbergia rigens R. G. Swinney 1998-8-6 6719 Los Angeles upper East Fork San Gabriel River, at cliff seep c. 100m below Falls Gulch. 1000 Comment
  UC1586191  Muhlenbergia rigens Tim Ross 1991-8-16 5836 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat USGS 7.5' Quad (at margin of dry stream depression) 1719 Comment
  UCR191164  Muhlenbergia rigens R. G. Swinney 1999-6-28 7460 Los Angeles San Gabriel Mtns./Mojave Desert, Graham Canyon, south of Mescal Highlands Rd. 1506 Comment
  UCR209609  Muhlenbergia rigens R. G. Swinney 2008-10-10 9572 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  RSA670601  Muilla serotina B. C. Templeton, I. W. Clokey 1930-5-13 1468 Los Angeles Bouquet Canyon. Comment
  UC557745  Munzothamnus blairii Nell Murbarger May, 1936 195 Los Angeles San Clemente Island Comment
  RSA760598  Myriophyllum sibiricum R. G. Swinney 2008-12-4 9947 Los Angeles Azusa, mouth of San Gabriel Canyon 1.8 mi. north of Sierra Madre Ave., north of bike trail parking lot, along flowing aqueduct of water filtration plant 223 Comment
  SBBG65096  Nama demissa J. R. and R. C. Robbins 1930-3-29 Los Angeles Antelope Valley Comment
  RSA526629  Nassella cernua Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4199 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  CAS-BOT-BC259915  Nassella lepida Peter H. Raven; Robert F. Thorne 1964-5-7 19030 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mountains Comment
  UCD87962  Nassella lepida Robert F. Thorne 1966-4-7 35944 Los Angeles Santa Catalina Island, at Cherry Valley. Comment
  UC1109351  Nassella pulchra Peter H. Raven 1962-4-9 17172 Los Angeles rocky grassland near barracks; San Clemente Island, Wilson Cove 60 Comment
  UC185563  Nassella pulchra T. S. Brandegee 1894-8-25 Los Angeles San Clemente Id. Comment
  RSA524964  Navarretia atractyloides T. S. Ross, S. D. Boyd 1990-6-6 2818 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  RSA681844  Navarretia atractyloides Scott D. White, Michael Honer 2003-6-11 9533 Los Angeles Liebre Mountains: Tapia Canyon. About 2 air miles east of Interstate 5 jtn. at Old Ridge Rt. 396 Comment
  SBBG95171  Navarretia hamata M. B. Dunkle 1928-5-12 1920 Los Angeles Empire Landing Comment
  CATA1319  Navarretia hamata subsp. leptantha Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2413 Los Angeles Santa Catalina Island: By upper White's Landing Road, just below Airport Road 396 Comment
  UCR276761  Nemacladus R. G. Swinney 2011-5-16 14747 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 1.18 mi. at 73 deg. SE of Colby Ranch Rd. & FS Rd. 3N19 in Big Tujunga Cyn., c. 450 m ENE of lodge in center of camp 1375 Comment
  RSA594617  Nemacladus ramosissimus L. C. Wheeler 1967-5-8 9335 Los Angeles San Gabriel Mts [Liebre Mtns] between Bouquet Junction and Bonelli Ranch. 396 Comment
  SBBG3750  Nemacladus rubescens R. Hoffmann 1929-5-20 Los Angeles Roosevelt Comment
  CHSC95903  Nemacladus sigmoideus LeRoy Gross 2005-5-3 Los Angeles Transverse Ranges; San Gabriel Mountains region: West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.36587N, 117.86280 W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. (Valyermo 7.5 Quad: T4N, 5N R9W, 10W S6, 1, 31, NW1/4 of 6, NE1/4 of 1, SW1/4 of 31.) Alt.: 1085-1215m/3560-3984ft. 1150 Comment
  POM8921  Nemophila maculata P. A. Munz 1921-3-25 4479 Los Angeles Claremont. Comment
  SEINET3156490  Nemophila menziesii G. B. Grant 833 Los Angeles Pasadena Comment
  UCR95303  Nemophila menziesii L. C. Wheeler 1967-5-2 9258 Los Angeles San Gabriel Mtns, Liebre Mtns, north side of northwesternmost end of foothills (of San Gabriel Mtns) between Bouquet Junction and Bonelli Ranch 427 Comment
  RSA48449  Nemophila menziesii G. R. Campbell 1949-3-16 12823 Los Angeles 3 miles north of Claremont Comment
  UCR149911  Nicotiana attenuata R. G. Swinney 1999-6-18 7335 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  CHSC3712  Nicotiana glauca Sue Boergadine 1966-5-10 Los Angeles San Raphael hills. 213 Comment
  LA45886  Nicotiana glauca W. R. Ernst; April 1947 sn Los Angeles San Gabriel Mountains, San Gabriel Canyon Comment
  RSA426692  Nicotiana glauca Elbert Benjamine, Malcolm M. Rice 1929-1-6 s.n. Los Angeles Between N. Ave. 61 and Arroyo Seco, Los Angeles 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
  UCR216852  Nicotiana glauca R. G. Swinney 2009-3-11 10086 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  UCSC000651  Nicotiana glauca F. H. Raymond 1930-1-29 43 Los Angeles Calabasas, Santa Ynez Canyon 122 Comment
  RSA703492  Nicotiana quadrivalvis Scott D. White, Michael Honer 2004-6-24 10487 -B Los Angeles Pomona Valley / San Gabriel Mtn Foothills: City of Claremont; San Antonio Canyon alluvial fan, north of Baseline Ave. and west of concrete-lined flood control channel. 488 Comment
  RSA655997  Nicotiana quadrivalvis var. bigelovii James Henrickson 1985-3-30 19783 Los Angeles 3 air mi. NNW of Newhall in proposed North Hills development just north of Santa Clara River and just E of San Francisquito Creek. 370 Comment
  SEINET10696838  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3968 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  SEINET10851869  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3954 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  CAS-BOT-BC71155  Notholaena californica I. M. Johnston 1928-4-27 1864 Los Angeles Temescal Canyon (between Elsinore and Corona) 365 Comment
  UC519982  Notholaena californica Louis C. Wheeler 1933-5-5 1709 Los Angeles 1/2 mi below falls Fish Canyon; San Gabriel Mts 350 Comment
  CAS-BOT-BC167061  Oenothera californica Peter H. Raven 1959-3-31 13905 Los Angeles 2.5 miles west of [Littlerock] Little Rock Comment
  POM355309  Oenothera californica Anstruther Davidson s.n. Los Angeles Lancaster. Comment
  CAS-BOT-BC167062  Oenothera californica William M. Klein 1958-6-12 474 Los Angeles 23.2 mi. n. of Castaic on U.S. 99 to Los Angeles Comment
  UC1007148  Oenothera elata subsp. hirsutissima Philip A. Munz 1935-9-19 13988 Los Angeles Claremont Comment
  SD90262  Oligomeris linifolia Robert F. Thorne 1973-4-12 42925 Los Angeles San Clemente Island: Horse Cove, S end of island 4 Comment
  RSA0115094  Oligomeris linifolia Steven A. Junak 2000-6-30 SCa- 1363 Los Angeles Santa Catalina Island. Just E of Catalina Harbor. 40 Comment
  RSA731535  Oncosiphon piluliferum R. E. Riefner 2006-7-8 06 -294 Los Angeles City of Long Beach, Studebaker Rd. at 22 Freeway. 6 Comment
  POM18234  Opuntia X occidentalis P. A. Munz 1923-4-13 6787 Los Angeles San Clemente Island. Comment
  UCR141044  Oreonana vestita June Latting 1977-10-16 s.n. Los Angeles San Gabriel Mountains, Throop Peak Trail 2774 Comment
  RSA0070995  Orobanche californica subsp. feudgei Louis Cutter Wheeler 1946-5-12 6203 Los Angeles San Gabriel Mountains. Chilao Guard Station, Chilao Flat. Comment
  RSA655739  Orobanche fasciculata James Henrickson 2000-4-15 20697 Los Angeles Ca. 2 mi SE of Newhall in upper Whitney Canyon SE of junction of San Fernando Road and State Highway 14; in upper Angeles National Forest along Whitney Canyon Road S of Whitney Canyon, about 1/4 mile into National Forest. 640 Comment
  SEINET8853685 Image available Orobanche vallicola D. L. Crawford 1916-1 s.n. Los Angeles Claremont (Blanchard Park) Comment
  RSA187715  Orthocarpus purpurascens Robert F. Thorne 1966-4-5 35833 Los Angeles Santa Catalina Island: above stream in Cottonwood Canyon. 107 Comment
  POM4366  Orthocarpus purpurascens var. pallidus C. N. Carter 1909-5-11 s.n. Los Angeles Claremont. Comment
  UC213217  Osmorhiza berteroi I. M. Johnston 1918-7-6 2084 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains 2133 Comment
  RSA0020288  Osmorhiza brachypoda Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5102 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  JEPS14005 Image available Osmorhiza brachypoda Frank W. Peirson 451 a Los Angeles Arroyo Seco San Gabriel Mountains; Arroyo Seco, San Gabriel Mts. 609 Comment
  RSA611069  Oxalis corniculata Louis C. Wheeler 1970-5-31 s.n. Los Angeles Los Angeles: NW corner of Pico and Figueroa streets. Comment
  RSA250358  Oxytheca caryophylloides Robert F. Thorne, C. W. Tilforth, J. Dourly, R. Scoggin 1972-8-11 41127 Los Angeles San Gabriel Mountains, Angeles National Forest: Mt. Waterman, along trail above upper end of ski lift. 2378 Comment
  RSA776554  Oxytheca caryophylloides Orlando Mistretta, Christine Mistretta 2010-6-14 5315 Los Angeles upper Big Tujunga canyon, 1.93 road miles E of junction with Angeles Forest Hwy. 1040 Comment
  CAS-BOT-BC413304  Oxytheca perfoliata Peter Kamb 1948-3-13 803 Los Angeles Eastern Lovejoy Buttes, Antelope Valley 853 Comment
  UCR269586  Oxytheca trilobata R. G. Swinney 2011-6-29 15361 Los Angeles San Gabriel Mountains, Mill Creek, from 50 to 300 meters downstream (south) from Monte Cristo Campground 1082 Comment
  OBI53718  Paeonia californica David Charlton 1988-4-2 1474 Los Angeles Cleghorn Rd Turnoff on Cajon Pass, I15, Swarthout Valley Rd to end of pavement. Site is under powerline Rolling hills 1676 Comment
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Feb 4 2015
  RSA756986  Panicum dichotomiflorum subsp. dichotomiflorum A. C. Sanders 2009-11-6 37210 Los Angeles Madrona Marsh, Torrance 24 Comment
  LA98279  Papaver californicum Elizabeth McClintock; 1945-5-1 sn Los Angeles SANTA MONICA MOUNTAINS, Dry Canyon-Cold Creek Road. Comment
  UCR282208  Papaver californicum Gary Hans 2010-5-2 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, below Vista del Valle Dr., Spring Canyon 296 Comment
  CAS-BOT-BC403917  Parietaria hespera Tim Ross; Steve Boyd 1991-4-25 4610 Los Angeles San Gabriel Mtns: lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at ca 1540 ft. elev.) 530 Comment
  RSA448001  Parietaria hespera M. B. Dunkle 1939-4-3 7219 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  UCR130586  Parietaria hespera var. hespera R. E. Riefner Jr. 2000-8-29 00- 756 Los Angeles Western Transverse Range; Verdugo Mtns., La Tuna Canyon, Verdugo Mtns. Conservancy Park, second canyon at picnic stop along La Tuna Canyon Rd. 2.5 miles south of 210 Freeway exit 462 Comment
  UCR110595  Parnassia californica L. C. Wheeler 1964-11-6 8642 Los Angeles North Fork San Gabriel River: Yucca Flat, near falling spring between Coldbrook and Crystal Lake Comment
  UCR155375  Pectocarya anisocarpa A. C. Sanders 2005-5-5 29914 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road on slopes at NE end of mesa, c. 0.1 mi. above Vasquez Canyon Rd. 610 Comment
  RSA534065  Pectocarya linearis subsp. ferocula Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5253 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. 386 Comment
  HSC101285  Pectocarya penicillata R. G. Swinney 2009-4-28 10506 Los Angeles Transverse Range, San Gabriel Mountains: Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  POM368773  Pectocarya penicillata N. C. Cooper 1948-4-21 2678 Los Angeles Littlerock Creek. 762 Comment
  UCR124600  Pectocarya penicillata B. C. Templeton, I. W. Clokey 1930-4-8 1014 Los Angeles San Gabriel Mtns., San Francisquito Canyon 549 Comment
  UCR42566  Pectocarya penicillata L. F. LaPre, T. Mulroy 1986-4-7 s.n. Los Angeles San Gabriel Valley, City of Irwindale, near junction of Foothill Blvd & Irwindale Ave., between gravel pit and the San Gabriel River channel 168 Comment
  UCSB17913  Pectocarya penicillata Winn, Will 1963-5-3 Los Angeles State Highway 138; 9.4 miles W of San Bernardino County Line 975 Comment
  RSA616379  Pectocarya setosa Scott D. White 1998-4-20 6307 Los Angeles Soledad Canyon area: Proposed quarry area N of Soledad Canyon Rd., S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Canyon. 580 Comment
  UCR154357  Pectocarya setosa A. C. Sanders 2005-5-5 29908 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road on slopes at NE end of mesa, c. 0.1 mi. above Vasquez Canyon Rd. 610 Comment
  UCR222817  Pectocarya setosa R. G. Swinney 2009-4-29 10582 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
  SEINET13276779 Image available Pellaea andromedifolia R. G. Swinney 2011-1 14495 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  UCD137562  Pellaea andromedifolia unknown collector 1923-5-22 260 Los Angeles Eaton Canyon Trail over Oak Flat. Comment
  UC42641  Pellaea andromedifolia O. D. Allen 1884-12-25 4 Los Angeles bank of the Arroyo Seco near Pasadena Comment
  POM312738  Pellaea andromedifolia var. andromedifolia D. Taylor 1951-5-17 59 Los Angeles Little Dalton Canyon north of Glendora. San Gabriel mtn range. Pacific drainage area. 365 Comment
  UCR209882  Pellaea mucronata R. G. Swinney 2008-7-16 9255 Los Angeles San Gabriel Mtns., Will Thrall Peak, west of Burkhart Saddle 2392 Comment
  LA94177  Pellaea mucronata var. mucronata Lawrence L. Kiefer; 1966-3-13 1739 Los Angeles SANTA MONICA MOUNTAINS, Zuma Canyon, ca. 3.5 mi from canyon mouth. 182 Comment
  POM120783  Pellaea mucronata var. mucronata Marcus E. Jones 1882-2-25 s.n. Los Angeles Pasadena. Comment
  UC62462  Pellaea mucronata var. mucronata Ernest Braunton Jan 1903 750 Los Angeles Eaton Canyon Comment
  SEINET12603827 Image available Pellaea ornithopus Unknown 1929-8-17 Los Angeles Los Angeles County, CA Comment
  RSA533475  Pennisetum setaceum Timothy S. Ross 1991-4-21 4566 Los Angeles Whittier Hills (Puente Hills, pro parte), Skyline Drive at the head of Turnbull Canyon, Next to old burned-down homestead 354 Comment
  RSA649003  Pennisetum setaceum Scott Lowe 1991-4-20 5 Los Angeles San Gabriel River channel, about 100 m. south of Valley Boulevard bridge, city of El Monte. Comment
  UCR204256  Penstemon caesius Naomi Fraga, Duncan Bell 2008-6-30 2294 Los Angeles San Gabriel Mountains, summit of Mount Baden-Powell 2866 Comment
  RSA0086832  Penstemon centranthifolius R. G. Swinney 2011-5-3 14555 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  UC184343  Penstemon centranthifolius A. D. E. Elmer June, 1902 3606 Los Angeles Acron , Mt. Gleason (Mt. Gleason) Comment
  UCR271976  Penstemon centranthifolius R. G. Swinney 2011-5-31 14911 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
  UCR272944  Penstemon grinnellii subsp. grinnellii R. G. Swinney 2011-8-5 15601 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
  JEPS13629  Penstemon grinnellii var. grinnellii Peter Kamb 1947-6-1 550 Los Angeles n slope Mt. Disappointment San Gabriel Mts. 1524 Comment
  SBBG45676  Penstemon grinnellii var. scrophularioides Leota Davidson 1966-5-14 275 Los Angeles near first animal water trough; Whitaker Peak dirt road, about 0.5 mi W of Hwy 99 Comment
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Oct 29 2006
  UC1293689  Penstemon heterophyllus var. australis P. C. Everett and E. K. Balls 1959-6-2 23843 Los Angeles 1 mi ne of entrance Stokes Canyon; Santa Monica Mts., ne of entrance to Stokes Canyon 182 Comment
  POM8088  Penstemon labrosus Fordyce Griffiths Jr. 1917-8-28 s.n. Los Angeles Pine Flats. 1616 Comment
  POM11238  Penstemon speciosus F. W. Peirson 1922-7-5 3193 Los Angeles Big Pines, Swartout [Swarthout] Valley, San Gabriel Mountains. Comment
  SBBG134032  Pentachaeta lyonii R. Burgess, P. Munro 2005-5-18 6848 Los Angeles W side of Westlake Blvd, top of 1st Hill S of Ventura County line, Santa Monica Mtns 457 Comment
  SBBG38807  Pentagramma triangularis subsp. triangularis M. B. Dunkle 1939-4-4 7244 Los Angeles Chenetti Cyn Comment
  UCSB62238  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-9-5 Los Angeles San Gabriel Mtns., E. Fk. of the San Gabriel River, ca. 1 1/2 mi. above Fish Fork Camp 1097 Comment
  CAS-BOT-BC73768  Peritoma arborea var. arborea L. R. Abrams; I. L. Wiggins 1931-7-7 406 Los Angeles Channel Islands - Santa Catalina Island Comment
  RSA251468  Perityle emoryi R. F. Thorne 1973-4-11 42832 Los Angeles San Clemente Island, upper part of Norton Canyon. 274 Comment
  UC1594370  Perityle emoryi Tim Ross 1992-4-14 6173 Los Angeles central e side San Clemente Island (ca 20 m (sic) s of where Nanny Canyon drainage meets the sea) 18 Comment
  CAS-BOT-BC523907  Phacelia R. G. Swinney 2010-6-21 13279 Los Angeles San Gabriel Mountains: Angeles National Forest within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 mi N of Santa Clara Truck Trail via trail W of spring 902 Comment
  LA98271  Phacelia brachyloba Elizabeth McClintock; 1945-5-1 sn Los Angeles Santa Monica Mountains, Dry Canyon-Cold Creek Road Comment
  RSA74191  Phacelia cicutaria var. hispida F. W. Peirson 1919-7-1 973 Los Angeles Fish Canyon, San Gabriel Mountains 610 Comment
  RSA0042556  Phacelia cicutaria var. hispida Paul Neipp 1994-5-5 20 Los Angeles Directly west of San Dimas Ranger Station on San Dimas Canyon Rd. Comment
  RSA650557  Phacelia cicutaria var. hispida G. Foster 1961-5-18 s.n. Los Angeles Little Dalton Canyon, [Angeles] Natl. Forest. Comment
  RSA426030  Phacelia curvipes Christopher Davidson 1973-4-7 1895 Los Angeles Juniper Hills toward Devil's Punchbowl, east side of San Gabriel Mtns. 1067 Comment
  RSA704349  Phacelia curvipes Gary D. Wallace 1982-4-17 1918 Los Angeles Bob's Gap. Comment
  JEPS2360  Phacelia davidsonii Frank W. Peirson 1920-5-9 968 Los Angeles summit San Gabriel Mountains, Mt. Wilson 1767 Comment
  UC212517  Phacelia davidsonii I. M. Johnston 1917-6-20 1264 Los Angeles Baldy Lookout of USFS San Antonio Mountains 2133 Comment
  UC131688  Phacelia distans C. F. Baker 1904-4-20 4724 Los Angeles Claremont Comment
  UCR125389  Phacelia distans A. C. Sanders, Mark Elvin 2003-3-5 25732 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
  UCR186920  Phacelia distans A. C. Sanders 2006-4-25 32170 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  UCR261334  Phacelia distans R. G. Swinney 2010-3-13 11872 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  SEINET5760570  Phacelia distans J. H. Barber 1897-1 58 Los Angeles Santa Monica Forestry Station Comment
  UC917604  Phacelia douglasii Frank W. Gould 1944-4-1 2189 Los Angeles near and s Los Angeles; Playa del Rey Comment
  RSA611648  Phacelia fremontii Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10078 Los Angeles Liebre Mountains region: Anaverde Valley at north base of Sierra Pelona. 976 Comment
  RSA649661  Phacelia fremontii Michael Horn 1991-4-30 7 Los Angeles San Gabriel Mountains. Take dirt road 4N06 2 1/2 miles north of Hwy CN4 to reservoir. East 1/8 mile on unnamed dirt road to site. 1463 Comment
  UC1563055  Phacelia fremontii Steve Boyd and Orlando Mistretta 1986-3-31 1555 Los Angeles Hwy 138 4 mi e jct w/ Hwy 18 (ne of Pinyon Hills); Mojave Desert Comment
  RSA710381  Phacelia fremontii LeRoy Gross 2005-5-3 2193 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  RSA74918  Phacelia imbricata subsp. imbricata F. W. Peirson 1921-5-18 2827 Los Angeles summit of Newhall Grade, northwest end of San Gabriel Range. 427 Comment
  UCD120301  Phacelia imbricata var. patula Victor Duran 1933-7-25 3533 Los Angeles Buckhorn, San Gabriel Mts. 1981 Comment
  RSA112765  Phacelia longipes H. D. Ripley 1940-4-26 2967 Los Angeles San Gabriel Canyon above Azusa. Comment
  RSA604729  Phacelia longipes Louis C. Wheeler 1933-5-5 1696 Los Angeles San Gabriel Mountains: Fish Canyon. 305 Comment
  RSA607195  Phacelia longipes Louis C. Wheeler 1968-5-31 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon. 1128 Comment
  SD72782  Phacelia lyonii F. R. Fosberg 1931-5-4 S 4749 Los Angeles Santa Catalina Island, Middle Ranch Canyon, Below Eagles Nest, by roadside Comment
  LA46950  Phacelia minor Carl Epling; M. Epling 1925-5-15 sn Los Angeles 121 Comment
  RSA0115830  Phacelia minor R. G. Swinney 2011-3-29 14261 Los Angeles San Gabriel Mts.; Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel. 366 Comment
  RSA587390  Phacelia minor Orlando Mistretta 1992-5-8 277 Los Angeles Little Rock Creek. Slopes E of creek below Little Rock Dam. 1067 Comment
  CAS-BOT-BC145076  Phacelia mohavensis F. W. Peirson 1921-6-15 962 Los Angeles trail from Pine Flats to Chilao, San Gabriel Mts. 1676 Comment
  RSA226951  Phacelia mohavensis Robert F. Thorne 1971-8-25 41267 Los Angeles San Gabriel Mountains, Angeles National Forest: Lily Spring on NW slope of Mt. Hawkins. Comment
  RSA286658  Phacelia mohavensis Robert F. Thorne 1974-6-28 44746 Los Angeles Angeles National Forest: Lily Springs area on N slope of Mt. Hawkins, drainage of S Fork Big rock Creek. 2439 Comment
  UCR223072  Phacelia mohavensis R. G. Swinney 2009-6-2 11019 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
  UCR272642  Phacelia mohavensis R. G. Swinney 2011-6-7 15048 Los Angeles San Gabriel Mountains, Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy. 2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek 1585 Comment
  UC1174692  Phacelia parryi George Gillett 1954-3-13 371 Los Angeles bank above Hwy 101 2.7 mi s Ventura-Los Angeles County line Comment
  VVC279  Phacelia ramosissima P. J. MacKay 1975-5-10 s.n. Los Angeles San Gabriel Mtns., Hwy N4, ca 1 mile north of Mile High, 2040 Comment
  CAS-BOT-BC144944  Phacelia ramosissima var. austrolitoralis I. Johnston 1917-6-10 1322 Los Angeles Playa del Rey Comment
  CAS-BOT-BC144950  Phacelia ramosissima var. austrolitoralis Dr. H. E. Hasse 1890-6-25 s.n. Los Angeles Near Santa Monica Comment
  RSA717949  Phacelia ramosissima var. latifolia R. G. Swinney, Dave Larson 1996-8-7 5241 Los Angeles Eastern San Gabriel Mountains: San Dimas Experimental Forest, head of Dry Lake Canyon at Dry Lake, site of CCC camp in 1930s. 1524 Comment
  RSA726058  Phacelia ramosissima var. subglabra R. G. Swinney 1997-6-25 5634 Los Angeles San Gabriel Mtns.: west of Wrightwood, ca. 0.25 mi. east of Hwy 2, ca. 300 m N of Guffy Rd. (3N06) 2317 Comment
  SBBG18905  Phacelia tanacetifolia F. E. Clements 1918-5-27 Los Angeles 4 mi NW of Palmdale Comment
  HSC94031  Phacelia viscida Steve Boyd, Lauren Raz, T. S. Ross 1997-4-1 9455 Los Angeles Liebre Mountains, upper watershed of Osito Cyn between Hwy I-5 & the Old Ridge Route, vic. of 'Osito Flat,' a distinctive, open grassy break in slope under the high tension power lines. 793 Comment
  CATA914  Phalaris aquatica Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-15 1759 Los Angeles Santa Catalina Island: Open slope above Parson's Landing 213 Comment
  RSA607617  Phalaris aquatica L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: Divide between Oak Spring Canyon and Cottonwood Canyon, off Little Tujunga Canyon 822 Comment
  POM1063  Phalaris lemmonii I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] Comment
  SFV3048  Pholistoma auritum K. A. Wilson 1961-3-10 951 Los Angeles Santa Monica Mountains Old Topanga Canyon Road, about 0.25 miles west of Topanga Canyon Blvd. 245 Comment
  UC1069427  Pholistoma auritum A. D. Gifford 1935-5-8 689 Los Angeles 4 3/4 mi. e.-n.e. Warm Springs; Angeles Nat'l Forest, Tejon Quad. Comment
  UCR185398  Pholistoma auritum A. C. Sanders, T. B. Salvato 2007-4-25 33549 Los Angeles Tehachapi Mtns., Oso Canyon near Kern Co. line, c. 0.1-0.2 mi. south of road on canyon bottom, c. 0.75 mi. east of powerlines 1220 Comment
  CAS-BOT-BC222555  Pholistoma auritum var. auritum Dr. Barton W. Evermann 1918-3-25 s.n. Los Angeles San Clemente Isl. Comment
  RSA459308  Pholistoma racemosum F. R. Fosberg 1931-4-16 S- 4643 Los Angeles Eagles Nest, Middle Ranch Canyon; Santa Catalina Island. 180 Comment
  RSA76025  Pholistoma racemosum F. W. Peirson 1923-4-8 3452 Los Angeles Wilson s Cove, San Clemente Island. Comment
  SD85081  Pholistoma racemosum Martin A. Piehl 1963-12-7 631070 Los Angeles San Clemente Island. Moist N slope on point across SE tip of isl. from Pyramid Head. 7 Comment
  RSA729455  Phoradendron bolleanum R. G. Swinney 1998-7-8 6327 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  RSA800515  Phoradendron bolleanum Jane Tirrell 2012-8-31 LS 0172 Los Angeles North side California State Route 2, just west of mile marker 67.23, approx. 1.75 mi west of Dawson Saddle. 2254 Comment
  RSA226151  Phoradendron densum Robert F. Thorne, C. W. Tilforth 1971-6-17 39899 Los Angeles N slope of San Gabriel Mountains: 1.3 mi. E of junction of Antelope Valley Freeway with Soledad Canyon Road along latter, near junction of Bee Canyon with Santa Clara River valley. 549 Comment
  LA209885  Phoradendron leucarpum subsp. macrophyllum Louis C. Wheeler; 1932-12-17 1452 Los Angeles San Gabriel Mountains, San Antonio Canyon 883 Comment
  LA200866  Phoradendron macrophyllum Carl Epling; L. Ellison 1929-4-27 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA575202  Phoradendron macrophyllum Vanessa Ashworth 1994-11-3 76 Los Angeles Claremont. On left side of approach road to RSABG; tree located on north side of volleyball field of Theology Institute. Comment
  RSA529178  Phoradendron pauciflorum Tim S. Ross, Steve D. Boyd 1991-7-24 5630 Los Angeles San Gabriel Mountains, Granite Mountain vicinity: ridge NNE of Granite Mountain. 1866 Comment
  RSA587981  Phoradendron pauciflorum Orlando Mistretta, Tim S. Ross 1994-6-1 1289 -B Los Angeles San Gabriel Mountains: Santiago Canyon. Pacifico Mountain, near top of Santiago Canyon. 1966 Comment
  RSA682938  Phyllospadix torreyi E. Yale Dawson 1958-3-15 18487 Los Angeles 25200 Malibu Road, Station #34. Comment
  CLARK-A1528-7813  Physalis neomexicana John C. Roos 1942-8-26 1749 Los Angeles San Gabriel Comment
  RSA607598  Physalis philadelphica Louis C. Wheeler 1966-10-25 9067 Los Angeles E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  CAS-BOT-BC207272  Pickeringia montana var. montana Louis C. Wheeler 1936-6-8 4127 Los Angeles Bell-San Dimas Canyon divide, San Gabriel Mts. 960 Comment
  RSA595013  Picris echioides Mark Hoefs, R. F. Thorne 1995-7-26 2451 Los Angeles Middle Canyon, 171 Comment
  CAS-BOT-BC78751  Pinus lambertiana Le Roy Abrams; E. A. McGregor 1908-7-5 650 Los Angeles [Swartout] Swarthout Canyon, desert slopes of the San Gabriel Mountains 1981 Comment
  RSA252715  Pinus monophylla A. B. Cossey 1972-9-3 s.n. Los Angeles Cattle Canyon 2049 Comment
  UCSB134  Pinus ponderosa Gill, Robert 1959-10-2 Los Angeles Baldy Road camp grounds; San Gabriel Mt. Range; pacific slope Drainage Area 1706 Comment
  RSA0107775  Piptatherum miliaceum R. G. Swinney 2011-10-18 15848 Los Angeles San Gabriel Mountains: 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2. 1021 Comment
  UCR147852  Plagiobothrys arizonicus LeRoy Gross, Paul Morton 2004-6-9 1347 Los Angeles Transverse Ranges; Liebre Mountains region, West end of the main crest; From the Pacific Crest Trail (from the south) along road (7N23) pass the second Pacific Crest Trail that exits off north of the road. Finish near the NW corner of section 3 and started at the west end of section 12, west of Bear Gulch Camp. About a 4 mile hike from east to west (This for the Angeles National Forest road surveys.) 1688 Comment
  SEINET10456246  Plagiobothrys arizonicus Noel H. Holmgren, Patricia K. Holmgren 1974-4-5 Holmgren 7631 Los Angeles North foothills of the San Gabriel Mountains, Portal Ridge, 13 airline miles west of Lancaster. T7N R14W S22 1067 Comment
  CATA1989  Plagiobothrys canescens Steven A. Junak, Mark Hoefs, Sara Crockett 1997-3-27 360 Los Angeles Santa Catalina Island: Cape Canyon, along Cape Canyon Road, ca. 0.2 road miles W of Cape Canyon Reservoir 304 Comment
  LA103428  Plagiobothrys canescens Barry A. Prigge; 1986-3-20 6954 Los Angeles Santa Monica Mountains, Medea Creek, just N of Paramount Ranch State Park 231 Comment
  UCR232371  Plagiobothrys leptocladus Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-19 8011 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
  SBBG126124  Plantago arenaria A. C. Sanders with T. B. Salvato, M. Provance 2009-5-26 36918 Los Angeles San Gabriel River floodplain, Whittier Narrows Nature Center and E to Peck Rd, along the SCE powerlines and the river levee 70 Comment
  RSA592415  Plantago coronopus Mark Hoefs 1974-5-2 453 Los Angeles Santa Catalina Island. dry reservoir margin by road above Parson's Landing 30 Comment
  POM6830  Plantago erecta P. A. Munz, Street, Williams 1919-3-15 2403 Los Angeles South Hills, Pomona. Comment
  SBBG131571  Plantago erecta S. A. Junak 2000-4-15 SCa 1193 Los Angeles Avalon Cyn, near E Summit Rd, 0.4 mi inland from gate at Wrigley Memorial, just S of lone water tank 195 Comment
  UC1211109  Plantago erecta Huron H. Smith 1912-5-1 4890 Los Angeles Eagle Rock Valley 152 Comment
  JEPS6395  Plantago erecta Frank W. Peirson 1919-3-27 329 Los Angeles Arroyo Seco San Gabriel Mountains 411 Comment
  UCR139920  Plantago indica Scott D. White 1997-5-14 5121 Los Angeles Base of San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, SW of 210 Freeway, east of Hansen Dam and north of Wentworth Street 351 Comment
  UCD124550  Plantago ovata var. insularis R. Mitchel Beauchamp 1967-3-19 329 Los Angeles Just behind the beach at West Cove, San Clemente Island, California. Comment
  POM320560  Platanthera leucostachys Greg Wright 1971-7-24 361 Los Angeles CA Highway 2 east of mileage marker LA71.84. San Gabriel Mountains. 2226 Comment
  UCR189846  Platanthera sparsiflora R. G. Swinney 1998-7-21 6472 Los Angeles San Gabriel Mtns., upper Fish Fork drainage, south-facing slope of Pine Mountain Ridge, 2.1 miles SW of Fish Fork Trail and Pine Mtn. Ridge 2085 Comment
  RSA0069416  Platanus racemosa Richard G. Swinney 2010-3-10 11807 Los Angeles San Gabriel Mountains/Verdugo Mountains: Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes. 305 Comment
  CAS-BOT-BC93175  Platanus racemosa Geo. B. Grant 1902-5-1 1007 Los Angeles Unspecified. 304 Comment
  SEINET12036346  Platanus racemosa Unknown 1945-1 s.n. Los Angeles Pasadena Comment
  CATA1487  Poa annua Mark L. Hoefs, Steven A. Junak 1996-5-1 2691 Los Angeles Santa Catalina Island: By Haypress Reservoir, at campground 384 Comment
  SEINET3222659 Image available Poa scabrella Norman C. Cooper 1948-4-21 2685 Los Angeles Littlerock Reservoir. Comment
  RSA587007  Poa secunda Orlando Mistretta 1992-5-8 289 Los Angeles San Gabriel Mountains. Little Rock Creek. slopes E. of Little Rock Creek Reservoir 1066 Comment
  RSA589235  Poa secunda Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-8 2911 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
  UCR126584  Poa secunda A. C. Sanders 2003-4-17 26071 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1 km south of Magic Mountain amusement park and north of the powerlines 442 Comment
  RSA91515  Poa secunda F. W. Peirson 1918-04 1550 Los Angeles Arroyo Seco above Devil's Gate, West of Pasadena Comment
  UC1595439  Poa secunda subsp. juncifolia Tim Ross 1992-4-4 6064 Los Angeles 1 mi se Black Butte (middle butte of Three Sisters); sw Mojave Desert 969 Comment
  RSA660174  Poa secunda var. secunda Orlando Mistretta 1992-5-25 449 Los Angeles Fenner Canyon Conservation Camp. S side of camp. Comment
  RSA657163  Polycarpon tetraphyllum Joseph M. Keefe 1978-4-28 22873 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
  RSA657441  Polygonum arenastrum Joseph M. Keefe 2001-1-19 30899 Los Angeles on north side of Upperton Avenue (north across street from 1871 Upperton Avenue) at intersection with Upperton Place; pass in ridge between Eagle Rock Valley and York Valley (Highland Park); Los Angeles, 90042. 262 Comment
  UCR48185  Polygonum argyrocoleon R. F. Thorne 1975-9-4 47394 Los Angeles Santa Catalina Island; Fisherman's Cove; campus of USC Marine Science Center Comment
  RSA54051  Polygonum argyrocoleon J. T. Howell 1948-7-2 s.n. Los Angeles Palos Verde Hills. Comment
  UCR256862  Polygonum aviculare R. G. Swinney 2010-8-16 13541 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UCR95275  Polygonum aviculare L. C. Wheeler 1966-10-6 8956 Los Angeles San Gabriel Mtns., Islip Saddle, Angeles Crest Hwy 2043 Comment
  UC850002  Polygonum aviculare subsp. aviculare Ezra C. Knopf 154 Los Angeles Santa Catalina Island Comment
  RSA464415  Polygonum aviculare subsp. aviculare F. R. Fosberg 1930-7-7 S- 3167 Los Angeles Alamitos Bay 5 Comment
  UCD100167  Polygonum aviculare subsp. depressum Kenneth A. Wilson 1961-2-21 873 Los Angeles Northridge. San Fernando Valley State College campus. Comment
  RSA592863  Polygonum convolvulus Louis C. Wheeler 1947-5-13 6486 Los Angeles San Marino. North Gainsborough Drive and Sunnyslope Blvd. Comment
  RSA13695  Polygonum lapathifolium Louis C. Wheeler 1933-8-20 2087 Los Angeles Pine Canyon Dam, San Gabriel Canyon, San Gabriel Mountains. 305 Comment
  UC1334724  Polygonum punctatum C. W. Tilforth 1968-10-1 178 Los Angeles Los Angeles State and County Arboretum Arcadia (s bank of upper lagoon) Comment
  CAS-BOT-BC71882  Polypodium californicum Alice Eastwood 1906-6-1 145 Los Angeles Laurel Canyon Comment
  CATA3234  Polypodium californicum Julie L. King 2017-1-17 45 Los Angeles Santa Catalina Island: South side of West End Rd., 0.3 road miles southeast of eastern entrance to Emerald Bay 40 Comment
  CDA973  Polypodium californicum D. G. Kelch 1991-3-23 1311 Los Angeles Catalina Island. East of Avalon. Comment
  LA94054  Polypodium californicum Lawrence L. Kiefer; 1966-3-6 1657 Los Angeles SANTA MONICA MOUNTAINS, Corral Canyon, ca 3 mi up Corral Canyon Rd, near the road, W side. 518 Comment
  LA94083  Polypodium californicum Lawrence L. Kiefer; 1963-6-9 543 Los Angeles SANTA MONICA MOUNTAINS, Encinal Canyon, ca 1.5 mi from mouth. 182 Comment
  POM155854  Polypodium californicum M. B. Dunkle 1928-4-11 1844 Los Angeles Emerald Bay, Santa Catalina Island. 15 Comment
  RSA626516  Polypodium californicum Scott D. White 1998-6-10 6711 Los Angeles San Antonio Canyon: About 1.5 air miles north of San Antonio Dam. Shinn Rd. (=Mountain Ave.) bridge over San Antonio Creek, immediately west of USFS San Antonio Fire Station. 762 Comment
  UC1584712  Polypodium californicum Tim Ross 1991-3-24 4300 Los Angeles small canyon that drains n to Turnbull Canyon from the nw side of Workman Hill; Whittier Hills (Puente Hills, pro parte) 341 Comment
  SD47442  Polypodium californicum Ira L. Wiggins 1949-2-22 Los Angeles San Clemenete Island, steep hillside near northeast end 36 Comment
  CATA847  Polypogon monspeliensis Mark L. Hoefs 1991-6-26 1447 Los Angeles Santa Catalina Island: Upper Cape Canyon at Cape Canyon Reservoir 390 Comment
  RSA580871  Polypogon monspeliensis L. C. Wheeler 1931-8-30 33 Los Angeles San Antonio Canyon, San Gabriel Mountains. 945 Comment
  UCR131415  Polypogon monspeliensis Alison Lipman 2000-5-7 s.n. Los Angeles South Coastal Plains Region, Harbor Park, Wilmington 20 Comment
  CAS-BOT-BC237505  Polypogon viridis Le Roy Abrams 1901-7-1 1868 Los Angeles West Fork of San Gabriel River Comment
  UCR146516  Polystichum imbricans Scott D. White, Michael Honer 2004-6-30 10537 Los Angeles San Gabriel Mountains, Mt. Baldy (town); W fork of San Antonio Creek within and just above uppermost residential neighborhood 1433 Comment
  POM184694  Populus balsamifera subsp. trichocarpa Joseph A. Ewan 1932-6-12 7374 Los Angeles Stuart Mill. Mill Creek Fork. Tujunga Creek. San Gabriel Mtns. 960 Comment
  POM360755  Populus fremontii Robert Gustafson 1981-3-10 2107 Los Angeles Ballona Wetlands, Area 1. Comment
  JEPS64529  Populus fremontii subsp. fremontii Frank W. Peirson 1919-3-30 386 Los Angeles Big Tujunga Canyon; San Gabriel Mountains, Big Tujunga Canyon 441 Comment
  RSA605816  Portulaca oleracea L. C. Wheeler 1966-10-27 9097 Los Angeles San Gabriel Mountains: Rincon Ranger Station. Comment
  SD69566  Potamogeton crispus Robert F. Thorne 1966-6-1 36493 Los Angeles Santa Catalina Island: near earth dam at reservoir upper end of Cape Canyon 334 Comment
  UCR47520  Potamogeton pectinatus Dave Thomason 1987-6-17 s.n. Los Angeles Transverse Range; Western San Gabriel Mtns./Mojave Desert, Lake Elizabeth, c. 15 mi west of Lancaster at head of Leona Valley 1006 Comment
  UCR124478  Potentilla gracilis var. fastigiata B. C. Templeton 1932-7-20 5006 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  OBI69238  Prunus ilicifolia John Knapp, Denise Knapp 2003-4-13 15 Los Angeles Catalina Island 55 Comment
  RSA623945  Prunus ilicifolia subsp. ilicifolia Raymond J. Dobbs 1927-5-21 599 Los Angeles 1 1/2 mile below Switzer's old trail. San Gabriel Mountains. Comment
  CHSC110021  Prunus ilicifolia subsp. lyonii Mark Elvin; Michael Wall, Jennifer Stone 1996-8-7 308 Los Angeles Channel Islands; San Clemente Island: Conchulagua Canyon. In canyon floor. Comment
  SBBG44676  Prunus ilicifolia subsp. lyonii W. A. Wright 1931-2-19 Los Angeles Bannings Cyn 152 Comment
  LA208153  Prunus ilicifolia subsp. lyonii F. R. Fosberg; 1932-5-7 8137 Los Angeles SANTA CATALINA ISLAND, Hamilton Canyon, Farmsworth Loop, Coach Rd. 200.0 Comment
  RSA526056  Prunus lyonii Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-4-6 4154 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  SBBG118479  Pseudognaphalium beneolens O. Mistretta 1992-7-13 699 Los Angeles Los Pinetos Spring Cyn Trail Comment
  POM158323  Pseudognaphalium biolettii M. B. Dunkle 1928-3-31 1771 Los Angeles Little Harbor, Santa Catalina Island. 91 Comment
  RSA0058226  Pseudognaphalium biolettii Richard G. Swinney 2010-4-23 12352 Los Angeles San Gabriel Mountains: lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA653855  Pseudognaphalium biolettii Valerie L. Soza, Shalini Deo, Stephen Dreher 2000-4-27 805 Los Angeles Verdugo Mountains, south side: Wildwood Canyon, Wildwood Canyon Park, at end of paved Wildwood Canyon Road at junction with fire road. 488 Comment
  CAS-BOT-BC356555  Pseudognaphalium biolettii N. Dunn; J. Ewan 1931-12-6 5560 Los Angeles Stone Canyon, road around lake. Santa Monica Mts. Comment
  CAS-BOT-BC356567  Pseudognaphalium biolettii N. Dunn; J. Ewan 1931-12-6 5560 Los Angeles Stone Canyon, road around lake. Santa Monica Mts. Comment
  CATA889  Pseudognaphalium biolettii Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-31 1703 Los Angeles Santa Catalina Island: Side canyon of Middle Canyon, across the road from large oak tree 237 Comment
  RSA15632  Pseudognaphalium biolettii C. B. Wolf 1927-12-31 1467 Los Angeles Hills at West side of town of Eagle Rock. Comment
  UCSB9795  Pseudognaphalium biolettii Haller, John 1950-3-30 Los Angeles U.C.L.A., Faculty Hill, near Sunset Blvd. Comment
  POM358846  Pseudognaphalium leucocephalum T. S. Clare, Johnstone 1929-10-20 s.n. Los Angeles Eaton Canyon, Mt Wilson. Comment
  CATA1940  Pseudognaphalium luteoalbum E. R. Blakley 1962-10-5 5441 Los Angeles Santa Catalina Island: Cottonwood Canyon, 1/4 mile upstream from the ocean 30 Comment
  CAS-BOT-BC80072  Pseudotsuga macrocarpa S. Parnay Mar. s.n. Los Angeles Mt. Wilson Comment
  SEINET6092335  Psilocarphus tenellus Unknown 1948-4-26 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  SEINET951709  Pteridaceae George B. Grant, Walter Wheeler 1904-1 530 -a Los Angeles collected on Santa Catalina Island, Pacific Ocean, off southern California Comment
  RSA188334  Pteridium aquilinum var. pubescens R. F. Thorne, M. Z. Thorne 1966-5-31 36429 Los Angeles Santa Catalina Island: Fern Canyon 228 Comment
  UCD136173  Pteridium aquilinum var. pubescens Louis C. Wheeler 1964-6-8 8480 Los Angeles San Gabriel Mountains, Burbank Canyon, W of Thompson Creek Dam. Comment
  CAS-BOT-BC421188  Pterostegia drymarioides C. Baker 1909-3-20 5260 Los Angeles Claremont Comment
  UCR125393  Pterostegia drymarioides A. C. Sanders, Mark Elvin 2003-3-5 25742 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
  UCR209148  Pterostegia drymarioides Dan S. Cooper 2009-4-30 s.n. Los Angeles Western Transverse Range; eastern Santa Monica Mtns., NW shoulder of Cahuenga Peak, Griffith Park 511 Comment
  RSA584216  Pterostegia drymarioides Tim S. Ross, Orlando Mistretta 1993-5-27 7341 Los Angeles W end of the San Gabriel Mountains: Wilson Canyon, along the riparian strip. 588 Comment
  SBBG128222  Pulicaria paludosa B. E. Carter, J. R. Clark 2012-7-24 6907 Los Angeles Big springs, at rd crossing just E of Little Harbor 3 Comment
  SEINET12190594  Punica granatum J. F. Bright, Wyman, C. 1931-1 5702 Los Angeles Hollywood 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
  SBBG126633  Quercus X acutidens A. Parikh, N. Gale 2011-5-13 3385 Los Angeles Tonner Cyn, just N of rd, 0.5 km W of LA County line; Chino Hills 260 Comment
  UCR137345  Quercus X grandidentata R. G. Swinney 1989-7-14 s.n. Los Angeles San Gabriel Mtns., in and near Glendora Wilderness Park, in Big Dalton Canyon and its tributaries. Harrow Canyon, south of first debris basin 396 Comment
  UCD14051  Quercus X macdonaldii John M. Tucker 1992-3-30 s.n. Los Angeles California, Los Angeles Co.; Santa Catalina Island, in canyon behind Haypress Reservoir, roughly 2 mi. west of Avalon, Comment
  UCD46927  Quercus X macdonaldii Robert F. Thorne; P. Everett 1965-5-12 34639 Los Angeles Wet margins of small stream in Bulrush Canyon, Santa Catalina Island. 243 Comment
  CAS-BOT-BC45627  Quercus agrifolia Timothy S. Ross; J. Mark Porter 1995-5-4 8473 Los Angeles Texas Canyon: ca. 3.6 road miles NE of Bouquet Canyon Road. USGS 7.5' Green Valley Quadrangle 682 Comment
  CAS-BOT-BC45631  Quercus agrifolia F. Grinnell Jr. 1908-10-8 s.n. Los Angeles Switzer Camp, San Gabriel Mts. 914 Comment
  SEINET12030955  Quercus agrifolia W. R. Hamilton 1907-1 s.n. Los Angeles near Long Beach Comment
  RSA307816  Quercus agrifolia var. agrifolia Henry J. Ramsey 1938-2-13 2744 Los Angeles Eaton Canyon Park, Altadena. Comment
  UCR271072  Quercus agrifolia var. agrifolia R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14355 Los Angeles San Gabriel Mountains, Little Santa Anita Cyn., base of Mt. Wilson Trail, above Mira Monte Ave., to 0.15 miles NE above the trailhead 427 Comment
  UCD45315  Quercus berberidifolia John M. Tucker 1948-9-26 1879 Los Angeles California, Los Angeles Co.; 11.4 mi. west of Palmdale, beside road to Elizabeth Lake; Comment
  OBI37771  Quercus chrysolepis David J. Keil 1980-3-27 13730 Los Angeles 1 mi E of Ridge rte on Pine Canyon rd (L.A. county rd N-2) 1189 Comment
  RSA476913  Quercus chrysolepis Geo. L. Moxley 1916-6-16 500 Los Angeles Santa Susana Mountains. Comment
  SEINET13203224 Image available Quercus chrysolepis R. G. Swinney 2011-1 15884 Los Angeles San Gabriel Mountains: south end of Coldbrook Campground, along Coldbrook Cr., from 50 meters south to 100 meters north of Hwy 39 (Crystal Lake 7.5' Q.) 1006 Comment
  UC586903  Quercus chrysolepis Joseph Andorfer Ewan 1934-8-2 8470 Los Angeles Bear Flats Ranger Station San Gabriel Mts., San Antonio Canyon 1371 Comment
  CAS-BOT-BC86201  Quercus dumosa Henry J. Thompson 1959-2-23 1852 Los Angeles Santa Monica Mountains. 0.3 miles W of Cornell Post Office, Triunfo Canyon 243 Comment
  IRVC1352  Quercus dumosa Gordon A. Marsh 1965-8-1 15 Los Angeles Twin harbors. Comment
  POM123222A  Quercus durata var. gabrielensis Marcus E. Jones 1882-3-7 s.n. Los Angeles Pasadena. Comment
  RSA0091775  Quercus durata var. gabrielensis R. G. Swinney 2011-3-17 14126 Los Angeles Glendora, north of Mull Canyon debris basin 366 Comment
  RSA339682  Quercus durata var. gabrielensis Robert F. Thorne 1980-3-23 54013 Los Angeles Johnson's Pasture, above Claremont. 610 Comment
  RSA655360  Quercus durata var. gabrielensis LeRoy Gross 2000-11-4 323 Los Angeles Verdugo Mountains: Trail at end of Morning Glow, past Sunglow Way,east off La Tuna Canyon Road, Sun Valley. 396 Comment
  UCD45985  Quercus durata var. gabrielensis Jack Delaini; Ken Zakar 1974-4-30 164 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. 853 Comment
  UCD45992  Quercus durata var. gabrielensis D. Q. Cavagnaro 1963-9-19 101 Los Angeles 1.1 mile above Lower San Antonio Ranger Station, Mt. Baldy Road, Los Angeles County, California. Elevation 3000 feet. 914 Comment
  UCR139120  Quercus durata var. gabrielensis L. C. Wheeler 1968-9-29 s.n. Los Angeles San Gabriel Mtns, Cattle Canyon, 1 mi east of mouth of Coldwater Canyon 945 Comment
  UCD46031  Quercus engelmannii Jack McCaskill 1966-11-27 1 Los Angeles Tallac Knoll, Los Angeles State and County Arboretum, Arcadia, Los Angeles County, California. Comment
  UCR95220  Quercus engelmannii L. C. Wheeler 1945-9-20 6154 Los Angeles San Gabriel Mtns., Kinneloa ('Sycamore') Canyon, near base of mountains 366 Comment
  SEINET10962214 Image available Quercus engelmannii Joseph A. Ewan 1934-12-27 Ewan 8487 Los Angeles Tall chaparral of piedmont mesa. 2 mi. above A.T. & S.F. tracks at mouth of Sawpit Canyon (i.e. Monrovia C.) 229 Comment
  SBBG116373  Quercus john-tuckeri R. Burgess, P. Munro 2002-5-6 5136 Los Angeles Hungry Valley Rd, 0.2 mi W of Smokey Bear Rd 853 Comment
  UCR124556  Quercus john-tuckeri B. C. Templeton 1932-8-26 5106 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2088 Comment
  UCSB60801  Quercus john-tuckeri Muller, Cornelius 1945-3-20 Los Angeles 5 mi. S of Caswell Comment
  UCSB28127  Quercus lobata Gill, Robert 1959-3-24 Los Angeles Oak Flat Guard Station, Ridge Route 822 Comment
  POM296403  Quercus pacifica Lyman Benson, Joseph Lanjouw 1953-5-2 15106 -a Los Angeles Catalina Island. North face of Swain Canyon, Whites Landing 366 Comment
  UCD170538  Quercus palmeri D. O. Burge 2017-5-5 2269 Los Angeles Bard Lake area. 375 Comment
  RSA479373  Quercus tomentella Mark Hoefs 1974-9-25 563 Los Angeles West fork of Gallagher's Canyon, Santa Catalina Island. 175 Comment
  SBBG13357  Quercus tomentella P. H. Raven 1962-7-10 17980 Los Angeles below Lemon Tank 243 Comment
  SDSU6987  Quercus tomentella R. M. Beauchamp 1967-1-29 163 Los Angeles In canyon west of Mt. Thirst, San Clemente Island. Comment
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  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
  POM295271  Quercus turbinella Lyman Benson 1949-11-17 14296 Los Angeles 1.5 miles south of Lebec Hill East of U.S99, Tehachapi Mt. San Joaquin Valley. 1159 Comment
  RSA9704  Quercus wislizeni var. frutescens Louis C. Wheeler 1932-4-16 628 Los Angeles W side Santa Anita Canyon. 762 Comment
  RSA0001998  Radicula sinuata var. truncata F. W. Peirson 1921-6-19 2450 Los Angeles Crystal Lake, San Gabriel Mts. 1677 Comment
  UCR256170  Rafinesquia californica R. G. Swinney 2010-3-22 12014 Los Angeles San Gabriel Mountains, West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  RSA547813  Rafinesquia californica Timothy S. Ross, Peter W. Fritsch 1990-6-20 3634 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  SBBG55162  Raphanus sativus S. Hales 1963-6-4 82 Los Angeles La Verne Rd, 0.25 mi S of Fire Stn 365 Comment
  SFV21136  Rhamnus californica J. M. Keefe 2001-1-24 31032 Los Angeles San Rafael Hills Pasadena. East side of Arroyo Seco, 2 m west of curb, across street from 1590 Arroyo Blvd at Howard Street. 250 Comment
  UCR190247  Rhamnus californica R. G. Swinney 2000-6-19 7809 Los Angeles San Gabriel Mtns., west of Pine Mountain and north of Azusa, junction of FS Rd. 2N24 and Pine Mtn. spur rd. 1274 Comment
  UCR209545  Rhamnus californica R. G. Swinney 2008-7-2 9109 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek, 1.0 mi. north of junction of Hwy 2 & Old Hwy 39 [at Reed Spring] 1878 Comment
  CAS-BOT-BC133204  Rhamnus californica subsp. californica A. C. Sanders; T. B. Salvato 2009-5-21 36897 Los Angeles San Gabriel Valley: Whittier Narrows near South El Monte, north of San Gabriel River channel and SE of Durfee Ave., west half of Whittier Narrows Nature Center along SCE powerlines 70 Comment
  RSA390181  Rhamnus californica subsp. californica E. S. Spalding 1923-5-2 s.n. Los Angeles Fish Canyon, near Monrovia, [San Gabriel Mountains]. Comment
  CAS-BOT-BC59973  Rhamnus crocea L. R. Abrams 1901-4-6 1370 Los Angeles Big Tajunga Wash. Comment
  RSA626406  Rhamnus crocea LeRoy Gross 1999-4-16 135 Los Angeles Big Tujunga Wash, east of 210 freeway 366 Comment
  UC1121831  Rhamnus crocea P. L. Johannsen 1934-2-8 272 Los Angeles 0.5 mi ne Saugus; Santa Susana Quad. 381 Comment
  RSA756897  Rhamnus ilicifolia Orlando Mistretta, Christine Mistretta 2008-4-7 2351 Los Angeles along SCE transmission line corridor, ca. 1 mi. NW of intersection of transmission line with State Hwy. 14 (1.25 mi. NW of Vincent substation), southeast edge of Sierra Pelona Ridge. (Segment 5, structure 48 per TRTP survey-2008) 1085 Comment
  UC1121874  Rhamnus ilicifolia F. H. Raymond 1930-1-29 40 Los Angeles Santa Ynez Canyon Calabasas Quad. 213 Comment
  UC80243  Rhamnus ilicifolia Minnie Reed Los Angeles near Pasadena Comment
  UCD112324  Rhamnus ilicifolia Gerald Dickinson 1962-4-8 13 Los Angeles 1 mile W Topanga Canyon and Mulholland Santa Monica Mountains. 356 Comment
  SBBG128329  Rhamnus pirifolia S. Lawrence-Gomez, A. Cheung, D. Kasang, M. Zou, S. Ratay 2011-7-8 40 Los Angeles Deer Valley Trail 92 Comment
  SD112065  Rhamnus pirifolia Linda Allen, Betsy Carpenter 1975-3-22 Los Angeles Santa Catalina Island, Cape Canyon. Comment
  CAS-BOT-BC167872  Rhus integrifolia Carl B. Wolf 1932-5-10 3532 Los Angeles Santa Catalina Island. 100 yds. SE. of summit of the equestrian trail, back of Avalon 304 Comment
  SBBG50383  Rhus integrifolia R. M. Beauchamp, M. Douglas 1972-3-24 3214 Los Angeles W side of cyn 100 Comment
  UCR260405  Rhus integrifolia R. G. Swinney 2010-4-30 12451 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Canyon Debris Basin in the southernmost of the two east forks of Wilson Canyon 537 Comment
  UCSB17584  Rhus integrifolia Rocke, Yedida 1963-2-24 Los Angeles Griffith Park, Los Angeles 152 Comment
  UCR161638  Rhus laurina Mike Misenhelter 2005-10-5 s.n. Los Angeles Los Angeles Basin, Carson, old landfill site SE of intersection of 110 (Harbor) and 405 (San Diego) freeways, west side of Dominguez Channel and 405, east of Main St. 12 Comment
  CATA3515  Rhus ovata Julia Parish 2017-12-31 048 Los Angeles Santa Catalina Island: Pacific side; Grand Canyon watershed; ridge south of Upper Coffeepot Road before it turns down to Coffeepot Canyon 404 Comment
  LA33972  Rhus ovata Peter H. Raven; 1959-5-3 14058 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Drive near Beverly Glen Blvd. 380 Comment
  LA94281  Rhus ovata W. R. Ernst; May 1947 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  UC1234787  Rhus ovata Peter H. Raven 1962-5-2 17803 Los Angeles upper Bullrush Canyon (ridge on w side); Santa Catalina Island 289 Comment
  UCR220384  Rhus ovata R. G. Swinney 2009-4-16 10352 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
  RSA0043101  Rhus ovata Paul M. Inman 1983-5-8 50883 -1 Los Angeles Big Santa Anita Canyon in the Angeles Natgional Forest, San Gabriel Mountains, about 1 mile north of Arcadia. Growing on a west facing slope at north end of weir at Hoegee's Camp on Winter Creek at Hoegee's Camp. Comment
  RSA783434  Ribes J. D. Olmsted 1960-1-8 1091 Los Angeles Sycamore Canyon, just past No Trespassing sign, beginning of Wildwood T. T., San Gabriel Mts. 457 Comment
  CAS-BOT-BC92295  Ribes amarum Le Roy Abrams 1906-7-19 s.n. Los Angeles Wilsons Trail. 914 Comment
  RSA476414  Ribes amarum Ella M. Kennedy 1923-3-12 s.n. Los Angeles Arroyo Seco, Pasadena. Comment
  CAS-BOT-BC92433  Ribes aureum var. gracillimum Ellsworth Bethel 1920-2-10 s.n. Los Angeles Monrovia. Comment
  UCR205632  Ribes aureum var. gracillimum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36997 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  LA91499  Ribes californicum var. hesperium Bruce Douglas Clayton; Greg Shaw, Barb Murphy, Marcia Miller 1972-4-15 99 Los Angeles Santa Monica Mountains, Blackrill Canyon, Mountain Park Research Campus 533 Comment
  UCSB7026  Ribes indecorum Gill, Robert 1960-2-27 Los Angeles Hogsback; lower road to Camp Baldy; San Gabriel Mt Range 1060 Comment
  RSA0088263  Ribes malvaceum R. G. Swinney 2010-3-14 11894 Los Angeles Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road. 447 Comment
  LA82097  Ribes malvaceum var. viridifolium O. H. Kappler; 1941-2-9 84 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  SBBG119371  Ribes malvaceum var. viridifolium R. F. Thorne 1971-3-25 41505 Los Angeles lower Evey Cyn, San Antonio Cyn 716 Comment
  RSA476296  Ribes speciosum Edwin Kline 1925-4-12 s.n. Los Angeles Mulholland Estate; Santa Monica Mtns. Comment
  CAS-BOT-BC173937  Ribes viburnifolium Reid Moran 1941-2-25 615 Los Angeles Johnson's Valley, Santa Catalina Island Comment
  SBBG31412  Ricinus communis R. F. Thorne with P. C. Everett 1965-6-22 34875 Los Angeles behind Bird Park 91 Comment
  UCR186918  Rigiopappus leptocladus A. C. Sanders 2006-4-25 32173 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  UCR191686  Rigiopappus leptocladus A. C. Sanders 2008-4-18 34959 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, west side of canyon toward mouth 995 Comment
  UCR205134  Rorippa curvisiliqua R. G. Swinney 2008-4-30 8696 Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon Debris Basin 341 Comment
  UCR205934  Rorippa curvisiliqua A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37063 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
  CAS-BOT-BC147474  Rosa californica L. McHargue; B. Miller 1963-7-6 s.n. Los Angeles Atmore Meadow, Liebre Mt. 1371 Comment
  POM122283  Rosa californica Marcus E. Jones 1924-9-10 s.n. Los Angeles San Gabriel Mountains: Swartout [Swarthout] valley. Comment
  POM2487  Rosa californica I. M. Johnston 1917-7-29 1590 Los Angeles San Antonio Mountains, San Antonio Canyon. 1601 Comment
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May 15 2007
  RSA449700  Rosa californica Anstruther Davidson s.n. Los Angeles Los Angeles. Comment
  RSA567158  Rosa californica Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-27 3892 Los Angeles Liebre Mountain: N slope, between Horse Camp Canyon and Robinson Canyon. 1473 Comment
  RSA762425  Rosa californica R. G. Swinney 2008-10-16 9616 Los Angeles Big Pine Meadow 2061 Comment
  UC1174803  Rosa minutifolia E. K. Balls 1960-5-18 24120 Los Angeles Claremont, in Botanic Garden Comment
  UCR91247  Rosa woodsii R. G. Swinney 1993-6-4 2255 Los Angeles San Gabriel Mtns., 0.8 mi. east of Glendora Mt. Road at Big Dalton Canyon Road 378 Comment
  RSA729490  Rosa woodsii subsp. gratissima R. G. Swinney 1999-6-21 7380 Los Angeles Boulder Canyon Wash, south of east-west road that runs through Big John Flat. Wash bottom in ravine. 1634 Comment
  RSA794754  Rubus leucodermis var. bernardinus Jane Tirrell, Graham Bothwell 2012-7-11 LS 0102 Los Angeles South side California State Route 2 approx. 100 ft. east of mile marker 67.86. 2316 Comment
  LA52072  Rubus ursinus E. Lloyd; 1933-4-8 sn Los Angeles Santa Monica Mountains, Temescal Canyon 91 Comment
  RSA578318  Rubus ursinus Tim S. Ross, Steve D. Boyd 1994-5-10 7712 Los Angeles Warm Springs Canyon: spring (un-named, but marked on topo map) along Warm Springs-Fish Canyon truck Trail (6N32); 2160 m NNW of Warm Springs Mtn. summit. 799 Comment
  UC72606  Rumex crispus J. Q. Adams 1905-1 19 Los Angeles Soldiers Home Comment
  UCR270051  Rumex hymenosepalus R. G. Swinney 2011-4-20 14450 Los Angeles San Gabriel Mountains, Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 mile upstream in Hunt Cyn. 1268 Comment
  UCR90812  Rumex hymenosepalus A. C. Sanders, G. K. Helmkamp 1996-3-24 18018 Los Angeles Mojave Desert, 240th Street. E, just north of Ave. 'O' & 4.7 mi south of Ave. 'J', 1 km NE of Moody Springs. 877 Comment
  UCR274354  Rumex salicifolius Steven A. Junak 1999-7-16 SCa- 1050 Los Angeles California Islands, Santa Catalina Island. Lower part of Cottonwood Canyon, just upstream from road to Ben Weston Beach Comment
  JEPS39860  Rumex salicifolius var. salicifolius F. W. Peirson 1918-6-18 29 Los Angeles Lower Rock Creek San Gabriel Mts. 1219 Comment
  UC1070549  Rumex salicifolius var. salicifolius Jerome S. Horton 1936-8-26 393 Los Angeles Tanbark Pomona Quad. 792 Comment
  RSA191143  Rumex salicifolius var. salicifolius Robert F. Thorne, M. Z. Thorne 1967-7-19 37209 Los Angeles Angeles National Forest, Crystal Lake Recreation Area 1692 Comment
  POM348834  Rupertia physodes Anstruther Davidson 1890-04 s.n. Los Angeles Arroyo near Pasadena Comment
  SEINET3893350  Ruppia maritima Robert F. Thorne, D. Propt; class 1971-5-17 41353 Los Angeles Santa Catalina Island: Pond southeast of Isthmus.; 0 213 Comment
  UCR224371  Salazaria mexicana Justin M. Wood 2010-5-10 1641 Los Angeles San Gabriel Mountains, vicinity of Littlerock Creek, just southwest of intersection of Chesebro Road and Mt. Emma Road 973 Comment
  RSA478883  Salicornia virginica F. R. Fosberg 1931-5-20 S 4915 Los Angeles Catalina Harbor, Santa Catalina Island. 1 Comment
  RSA478899  Salicornia virginica Joseph A. Ewan 1930-9-15 5537 Los Angeles Ballona Creek near Playa del Rey Road. Comment
  RSA610215  Salicornia virginica L. C. Wheeler 1970-9-5 s.n. Los Angeles Venice: Canal Street at Washington Blvd. Comment
  RSA0078305  Salix argophylla Raymond J. Dobbs 1924-4-3 3017 Los Angeles Griffith Park. Comment
  SEINET6091476  Salix bonplandiana Unknown 1997-3-21 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  UCR255854  Salix exigua Dan S. Cooper 2014-6-26 614- 61 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Lower Sennett Canyon adjacent to Forest Lawn cemetery, at Forest Lawn Dr. 155 Comment
  RSA162844  Salix gooddingii J. D. Olmsted 1959-3-30 330 Los Angeles 1/2 mile SW of jct between Cobal and Palmer Canyons. E county boundary; Mt. Range: San Gabriel Mtns; Drainage: Thompson Creek. 412 Comment
  POM184867  Salix laevigata F. R. Fosberg 1932-3-13 7427 Los Angeles Lower Topanga Canyon. 15 Comment
  UC483029  Salix laevigata F. R. Fosberg 1931-5-6 S 4793 Los Angeles Cape Canyon Santa Catalina Isl., Cape Canyon 220 Comment
  UC846600  Salix laevigata I. W. Clokey and B. C. Templeton 1930-4-8 4646 Los Angeles San Francisquito Canyon 800 Comment
  UC506421  Salix lasiandra subsp. lasiandra Carl Hedin and Joseph Ewan 1933-3-25 7675 Los Angeles Comment
  LA208790  Salix lasiolepis Carl Hedin; Joseph Ewan 1932-5-10 7651 Los Angeles Verdugo Canyon at Colina Drive [Area 3] Comment
  RSA664167  Salix lasiolepis Marcus E. Jones 1926-2-26 s.n. Los Angeles Mountains near Claremont. Comment
  RSA92715  Salix lucida subsp. lasiandra Mabel Peirson 1925-3-1 9605 Los Angeles Arroyo Seco, west of Pasadena Comment
  CAS-BOT-BC180745  Salsola tragus Ernest C. Twisselmann 1970-9-8 17479 Los Angeles Antelope Valley, Avenue A at 50th Street West - Mojave Desert 731 Comment
  SBBG131988  Salsola tragus S. A. Junak, R. Philbrick 1990-11-8 SCI 128 Los Angeles Wilson Cove Comment
  UCR252553  Salsola tragus R. G. Swinney 2010-9-1 13642 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  RSA444933  Salsola tragus F. R. Fosberg 1931-8-30 S 5616 Los Angeles El Segundo 5 Comment
  UCSB27665  Salsola tragus Lavinger, S. 1975-10-9 Los Angeles Point Dune Road 4.5 miles north from its junction with Pacific Coast Highway 152 Comment
  RSA0047395  Saltugilia splendens subsp. splendens Orlando Mistretta, Mike Hammitt 1991-4-15 s.n. Los Angeles San Francisquito Canyon 543 Comment
  CATA830  Salvia apiana Mark L. Hoefs 1991-6-26 1424 Los Angeles Santa Catalina Island: Near middle of Cape Canyon 320 Comment
  PASA463  Salvia apiana Loletta Hiebert Los Angeles Flintridge Comment
  RSA442823  Salvia apiana William Emboden 1969-5-28 7 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA628618  Salvia apiana Louis C. Wheeler 7055 Los Angeles San Gabriel Mountains: East of Eaton Wash, ca 1/4 mile north of Pasadena police pistol range. (spring of 1954). Comment
  SEINET11587808  Salvia columbariae Unknown 2010-6-1 13112 Los Angeles San Gabriel Mountains Comment
  UCR276933  Salvia columbariae R. G. Swinney 2010-5-21 12901 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
  SDSU7389  Salvia dorrii D. F Howe 1948-5-2 1777 Los Angeles Angeles Crest highway, north side of San Gabriel Mts., 1036 Comment
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Nov 19 2014
  RSA250614  Salvia dorrii var. pilosa Robert F. Thorne, J. P. Simon, J. Dourley, H. Caulfield 1970-5-1 39551 Los Angeles Ca. 3 mi S of Pearblossom near junction of Valyermo & Pearblossom roads 1159 Comment
  RSA446283  Salvia dorrii var. pilosa Robert M. Perkins 1919-5-30 s.n. Los Angeles Big Rock creek, Antelope Valley. Comment
  RSA446329  Salvia leucophylla L. E. Hoffman 1933-2-25 s.n. Los Angeles Mint Canyon. Comment
  RSA0077092  Salvia mellifera R. G. Swinney 2010-4-15 12231 Los Angeles Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  SBBG39466  Salvia mellifera K. K. Muller 1953-5-2 586 Los Angeles Swain Cyn above Camp Orizaba Comment
  UC54946  Salvia mellifera H. P. Chandler 1902-6-3 2009 Los Angeles near Cahuenga Peak (Brush Canyon); Brush Canyon Comment
  UCR152889  Salvia mellifera A. C. Sanders, Helen Kennedy 2005-4-13 29432 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCR65230  Salvia mellifera F. R. Fosberg 1931-5-6 S- 04805 Los Angeles Channel Islands, Santa Catalina Island Comment
  LA200593  Salvia spathacea Jonathan Sauer; A. Lang, et. al. 1972-4-5 5029 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, upper, Upper canyon. Comment
  RSA434079  Salvia spathacea Bonnie C. Templeton 1931-5-1 s.n. Los Angeles Mandeville Canyon 300 Comment
  RSA739274  Salvinia oblongifolia Richard E. Riefner 2008-7-28 08 -251 Los Angeles Harbor City, Bixby Slough, vicinity of Dodge St. at 255th St. 11 Comment
  POM296483  Sambucus mexicana Lyman Benson 1945-5-11 11704 Los Angeles Canyon below Johnson's Pasture, Claremont, 549 Comment
  RSA477558  Sambucus mexicana E. S. Spalding 1931-8-1 s.n. Los Angeles near Manhattan Beach. Comment
  RSA584847  Sambucus mexicana T. S. Ross 1993-6-1 7362 b Los Angeles W marvin of Chantry Flat near beginning of upper Winter Creek Trail. 707 Comment
  UC450905  Sambucus mexicana F. A. MacF. 1931-4-1 Los Angeles Tuna Canyon Verdugo Hills Comment
  UCR170695  Sambucus mexicana Alex R. Van Dam 2004-4-25 037 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive near abandoned Nike Missile Base 518 Comment
  CAS-BOT-BC238740  Sambucus nigra subsp. caerulea Timothy S. Ross; Steve Boyd; Peter Fritsch 1990-6-8 2977 Los Angeles The San Gabriel Mountains. 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) 1231 Comment
  CAS-BOT-BC238754  Sambucus nigra subsp. caerulea Blanche Dougan Cole 1908-10-1 s.n. Los Angeles San Gabriel Mts., Los Angeles Comment
  SBBG13262  Sambucus nigra subsp. caerulea M. A. Piehl 1962-6-10 62393 Los Angeles E of Thirst 304 Comment
  SBBG69471  Sambucus nigra subsp. caerulea R. Hoffmann 1929-5-21 Los Angeles Del Sur to Elizabeth Lake Comment
  UCR252871  Sambucus nigra subsp. caerulea R. G. Swinney 2010-3-10 11802 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes 329 Comment
  LA200368  Sambucus nigra subsp. canadensis Jonathan Sauer; 1969-6-4 4582 Los Angeles SANTA MONICA MOUNTAINS, Rustic Canyon, lower, Pacific Palisades, edge of Annona orchard. Comment
  LA91438  Sambucus nigra subsp. canadensis Bruce Douglas Clayton; Greg Clayton 1972-3-30 38 Los Angeles SANTA MONICA MOUNTAINS, Nettleburn Creek Canyon, Mountain Park Research Campus, at head of canyon. 585 Comment
  UC729788  Sanicula arguta Carl B. Wolf 1932-5-11 3571 Los Angeles Santa Catalina Island, w side of Fourth of July Cove Fourth of July Cove; Santa Catalina Island, Fourth of July Cove 30 Comment
  RSA470996  Sanicula arguta E. Crow 1928-4-11 246 Los Angeles hills south of Pomona Comment
  RSA527608  Sanicula arguta Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4435 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  LA32980  Sanicula crassicaulis Louis C. Wheeler; 1932-4-2 Los Angeles Santa Monica Mountains, Head of Mandeville Canyon 487 Comment
  RSA594995  Sanicula crassicaulis Mark Hoefs, Robert F. Thorne 1996-4-6 2660 Los Angeles Santa Catalina Island. Upper Avalon Canyon, Hermit s Gulch Trail, where trail crosses stream. 165 Comment
  RSA763506  Sanicula crassicaulis Orlando Mistretta, Christine Mistretta 2008-5-6 2667 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
  RSA785646  Sanicula tuberosa K. Dobry 1991-5-13 517 Los Angeles West San Gabriel Mts at Elsmere Cyn Comment
  RSA670183  Satureja mimuloides Ian Swift 2001-7-2 236 Los Angeles Middle Fish Canyon, 1.5 miles north of Cienega Campground 808 Comment
  RSA0116339  Schinus molle Steven A. Junak 2000-3-31 SCa- 1150 Los Angeles Santa Catalina Island. Just inland from White's Landing, ca. 0.25 mi. inland from beach, at end of road in side canyon. 58 Comment
  RSA579239  Schinus terebinthifolius T. S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, Darin Banks, Megan Tommerup 1994-3-28 7410 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; sun-named horseshoe-shaped canyon to the NE of upper Forrestal Drive; 174 Comment
  CATA2010  Schismus arabicus Steven A. Junak 1998-3-22 502 Los Angeles Santa Catalina Island: Avalon Canyon, along W side of Avalon Canyon Road, just N of entrance to Wrigley Memorial Botanical Garden 106 Comment
  CATA857  Schismus arabicus Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1666 Los Angeles Santa Catalina Island: Little Harbor 4 Comment
  LA103575  Schismus arabicus Barry A. Prigge; 1986-3-29 7152 .1 Los Angeles San Gabriel Mountains, Soledad Canyon, Santa Clara River at Lang Station Road 518 Comment
  RSA177765  Schismus arabicus R. F. Thorne, P. Everett 1965-5-10 34455 Los Angeles Near Echo Lake, Santa Catalina Island 412 Comment
  RSA714198  Schismus arabicus Valerie L. Soza, Miriam Sidibeh 2003-3-26 1613 -b Los Angeles Western San Rafael Hills: Ridge Motorway off Camino San Rafael, southwest of Emerald Isle Dr and Camino San Rafael junction, above Mayors Bicentennial Park. 579 Comment
  RSA595995  Schismus barbatus L. C. Wheeler 1967-5-8 9355 Los Angeles San Gabriel Mts [Liebre Mtns]between Bouquet Junction and Bonelli Ranch. 396 Comment
  RSA710782  Schismus barbatus LeRoy Gross 2005-4-28 s.n. Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Than dropped off ridge into canyon bottom back to origin. 1235 Comment
  RSA365989  Schoenoplectus americanus L. C. Wheeler 1932-9-19 1399 Los Angeles Los Angeles R. [River] at Los Feliz Blvd 122 Comment
  UCR162585  Schoenoplectus americanus Anuja Parikh, Nathan Gale 2004-5-31 2015 Los Angeles Western Transverse Range, Santa Clara River Valley, Newhall Ranch, along Santa Clara River (SCR sect. 1) at and below confluence of Potrero Canyon 259 Comment
  POM1389  Schoenoplectus californicus George B. Grant 1902-6-20 s.n. Los Angeles Redondo. Comment
  RSA0062632  Scirpus microcarpus R. G. Swinney 2010-9-9 13770 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1994 Comment
  UCR205839  Scirpus microcarpus R. G. Swinney 2008-6-9 8973 Los Angeles San Gabriel Mtns., lower Sandrock Creek, 1.2 mi. SSW of Valyermo post office 1171 Comment
  CAS-BOT-BC110941  Scirpus microcarpus I. Johnston 1947-6-14 1345 Los Angeles West of Pomona Comment
  UCR270975  Scrophularia californica R. G. Swinney 2011-4-28 14537 Los Angeles San Gabriel Mountains, north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 963 Comment
  RSA156034  Scrophularia villosa Peter H. Raven 1962-5-22 17831 Los Angeles Santa Catalina Island, first canyon west of Lions Head Point. Comment
  RSA678462  Scrophularia villosa Mark A. Elvin, Dylan Hannon, Gery Allan, Curtis Clark, Steve Burckhalter 1996-4-20 168 Los Angeles San Clemente Island. Stone field station just below balcony. Comment
  UC1871164  Scutellaria siphocampyloides T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3974 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W, ca. 350 m W of the knoll, T7N R17W E 1/2 NE 1/4 sec 9. Elev 4560-5520 feet. [West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10] Comment
  LA103475  Secale cereale Barry A. Prigge; 1986-3-20 6975 Los Angeles Tehachapi Mountains, 0.4 mi. E of Gorman on Lancaster Road 1127 Comment
  RSA397640  Sedum spathulifolium Anstruther Davidson 1893-6-12 s.n. Los Angeles Mt. Disappointment. Comment
  RSA591556  Selaginella asprella Louis Cutter Wheeler 1966-10-6 8957 Los Angeles San Gabriel Mountains. South slope Mt. Williamson. 2438 Comment
  LA200010  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-26 1771 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, ca 1 mi from mouth. 60 Comment
  LA200018  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-20 1749 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon, ca 0.5 mi below Fernwood. 213 Comment
  SBBG31230  Selaginella bigelovii R. F. Thorne with P. C. Everett 1965-6-23 Los Angeles near mouth of Hamilton Cyn NW of Avalon 22 Comment
  SBBG98664  Selaginella bigelovii T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5196 Los Angeles 1300 ft NNW of Guds (888') marker 240 Comment
  UC399196  Selaginella bigelovii C. F. Millspaugh 1920-1-2 4502 Los Angeles road beyond Golf Links; Santa Catalina Isl. Comment
  POM199  Senecio californicus I. M. Johnston 1917-3-29 1250 Los Angeles Above Claremont. Comment
  RSA0012730  Senecio californicus L. C. Wheeler 1933-5-13 1729 Los Angeles Cobal Canyon, San Gabriel Mountains. 488 Comment
  RSA191106  Senecio flaccidus var. douglasii R. F. Thorne, M. Z. Thorne 1967-6-25 37098 Los Angeles Along fire-road between Cobal and Evey Canyons. 732 Comment
  RSA596708  Senecio flaccidus var. douglasii Steve Boyd, Lauren Raz 1996-9-24 8924 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
  UC1930047  Senecio lyonii Mark Elvin, Orlando Mistretta 1996-3-24 123 Los Angeles Channel Islands; San Clemente Island: Comment
  POM11177  Senecio triangularis I. M. Johnston 1917-8-22 1679 Los Angeles San Antonio Mts. Pairire Fork of the San Gabriel River marshy ground in a small side canyon 2133 Comment
  CATA881  Senecio vulgaris Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-31 1693 Los Angeles Santa Catalina Island: Above Black Jack road by fenced mine shaft 411 Comment
  RSA657373  Senecio vulgaris Joseph M. Keefe 2001-1-24 31034 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  UCR205171  Senecio vulgaris R. G. Swinney 2008-4-11 8648 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  UCR223477  Sequoiadendron giganteum R. G. Swinney 2009-5-28 10938 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
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Jul 25 2018
  CAS-BOT-BC240234  Setaria viridis Ernest C. Twisselmann 1970-10-17 17547 Los Angeles Antelope Valley: Gorman Highway 5 miles west of Highway 14 1005 Comment
  UCR162505  Setaria viridis Anuja Parikh, Nathan Gale 2004-6-2 2025 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
  UCSB469  Setaria viridis B., K. 1943-8-21 Los Angeles Volfe Canyon above end of road, San Dimas Experimental Forest, San Gabriel Mountains Comment
  RSA660879  Sibara filifolia Orlando Mistretta 1992-4-5 142 Los Angeles Guds, San Clemente Island. Comment
  RSA433863  Sidalcea malviflora M. Campbell 1931 Los Angeles Los Angeles. 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
  UC852856  Silene gallica L. W. Nuttall 1920-5-8 Los Angeles Santa Catalina Island Comment
  POM277  Silene gallica C. W. Emland s.n. Los Angeles Indian Hill, Claremont. 366 Comment
  RSA439083  Silene gallica Anstruther Davidson 1918-3-11 3182 Los Angeles Exposition Park. Comment
  CAS-BOT-BC174892  Silene laciniata Clare B. Hardham 1958-6-14 3699 Los Angeles Chatsworth Hills Comment
  CAS-BOT-BC174904  Silene laciniata F. Grinnell 1910-6-22 s.n. Los Angeles Switzers Trail, San Gabriel Mts. 1066 Comment
  CAS-BOT-BC174891  Silene laciniata Wesley O. Griesel 1961-6-4 s.n. Los Angeles San Rafael Hills 609 Comment
  SEINET11944392  Silene laciniata I. W. Clokey, Templeton, B. 1929-1 4544 Los Angeles Mandeville Canyon, Santa Monica Mts 500 Comment
  CAS-BOT-BC389107  Silene laciniata subsp. californica Lester Rowntree 1937-5-7 s.n. Los Angeles Bouquet Canon [Canyon] trail Comment
  CLARK-A1528-2628  Silene laciniata subsp. major Robin L. Kobaly 1972-5-17 RLK 720517 Los Angeles San Gabriel Mountains 365 Comment
  RSA229079  Silene verecunda subsp. platyota R. F. Thorne, C. W. Tilforth 1971-6-30 40757 Los Angeles Angeles National Forest: c. 0.3 mile below Alder Saddle along a dry branch of the S Fork of Little Rock Creek. 1616 Comment
  CAS-BOT-BC75084  Sisymbrium altissimum Carl B. Wolf 1936-5-27 7834 Los Angeles San Gabriel Mountains. Indian Canyon Camp. 2 miles off Soledad Canyon. 914 Comment
  RSA17078  Sisymbrium altissimum C. B. Wolf 1936-5-27 7834 Los Angeles Indian Canyon Camp, 2 miles off Soledad Canyon 915 Comment
  SFV21424  Sisymbrium altissimum L. Gross, T. Anderson 2004-5-3 1218 Los Angeles San Gabriel Mountains Road started west of Mount Lukens, down (southeast) to a little west of Earl Canyon Road (USFS Roads 2N76.1 & 2N76.2) 1333 Comment
  UCD115497  Sisymbrium altissimum Daryl Koutnik; Bruce Holguin 1978-4-1 210 Los Angeles Sierra Pelona Valley, west side of Anthony Road and north of Sierra Highway. 890 Comment
  POM184700  Sisymbrium altissimum Joseph A. Ewan 1932-5-29 7189 Los Angeles Arrastre Canyon, at end of auto road 1189 Comment
  RSA532643  Sisymbrium altissimum Timothy S. Ross 1991-8-14 5754 Los Angeles Roundtop Mountain. 1892 Comment
  RSA649644  Sisymbrium altissimum Michael Horn 1991-5-7 32 Los Angeles Take dirt road 4N06 2.5 miles north of Hwy CN4 to reservoir. East 1/8 mile on unnamed dirt road to site 1463 Comment
  RSA0069646  Sisymbrium irio R. G. Swinney 2010-2-27 11779 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
  UCR252770  Sisymbrium irio R. G. Swinney 2010-3-10 11791 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes 329 Comment
  UCR258724  Sisymbrium irio R. G. Swinney 2010-2-27 11779 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
  RSA649808  Sisymbrium officinale Matt Brooks 1988-5-12 53 Los Angeles Whittier, Skyline Dr. 0.2 miles west of its intersection [with] Turnbull Canyon Rd. Comment
  RSA747358  Sisymbrium orientale R. G. Swinney 2008-3-26 8568 Los Angeles San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  UCR136846  Sisymbrium orientale 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
  UCR186751  Sisymbrium orientale T. B. Salvato, Sandra Murcia 2007-3-28 2020 Los Angeles San Gabriel Mountains, Angeles National Forest, lower Santa Anita Canyon at the upper end of Santa Anita Reservoir 427 Comment
  LA24003  Sisyrinchium bellum Louis Wheeler; 1932-3-23 517 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. Comment
  PASA1254  Sisyrinchium bellum Loletta Hiebert Los Angeles Rubio Canyon Comment
  RSA228974  Sisyrinchium bellum Robert F. Thorne 1971-8-25 41325 Los Angeles San Gabriel Mountains, Angeles National Forest: near Windy Spring on N slope of Mt. Islip 2256 Comment
  RSA724470  Sisyrinchium bellum K. Dobry 1991-3-15 423 Los Angeles West San Gabriel Mts. Upper Elsmere Cyn Comment
  RSA725844  Sisyrinchium bellum Richard G. Swinney 1997-7-16 5668 Los Angeles Buford Canyon, 0.5 mi. W of San Barnardino Co. line, S of Hwy 2 and Swarthout Valley, 2 air mi. W of Wrightwood 1921 Comment
  UCR282613  Sisyrinchium bellum Dan S. Cooper 2017-3-20 317- 11 Los Angeles Whittier Hills, Skyline Dr. [Skyline #2 Fire Rd.] 351 Comment
  RSA422389  Solanum douglasii Frances L. Cramer 1934-3-15 s.n. Los Angeles Santa Susana Pass. Comment
  RSA590590  Solanum douglasii Tim S. Ross, W. Appleby 1993-5-20 7192 Los Angeles Western San Gabriel Mts.: vicinity of Wilson Canyon Saddle; San Fernando 7.5' USGS quad; R15W, T3N, NE/4 SE/4 Sec. 9 948 Comment
  SEINET12274721  Solanum douglasii J. F. Bright, Wyman, C. 1931-1 5749 Los Angeles in suburbs of Hollywood Comment
  RSA0049589  Solanum elaeagnifolium Justin M. Wood, T. Valentovich 2012-6-6 4789 Los Angeles Mojave Desert: Between Palmdale and Littlerock, near intersection of Pearblossom Hwy. (138), Cheseboro Rd. and E Avenue T. 843 Comment
  CAS-BOT-BC83633  Solanum umbelliferum C. Epling; L. Wheeler 1933-6-4 1850 Los Angeles Near Summit, Ridge Route. 1524 Comment
  RSA188516  Solanum umbelliferum Robert F. Thorne, John Olmsted 1965-8-26 35383 Los Angeles San Gabriel Mountains: Angeles National Forest, Camp Lupine near Prairie Fork 2012 Comment
  RSA549154  Solanum umbelliferum Tim S. Ross, Peter Fritsch 1990-6-20 3670 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon 1256 Comment
  RSA584015  Solanum umbelliferum Tim S. Ross, Steve D. Boyd 1991-4-25 4606 Los Angeles San Gabriel Mountains: lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at ca 1540 ft. elev.). 512 Comment
  RSA652012  Solanum umbelliferum Thomas Seerley 1948-2-14 s.n. Los Angeles Mouth of Dalton Canyon, Glendora. 305 Comment
  UCR223767  Solanum umbelliferum R. G. Swinney 2009-6-17 11186 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  CAS-BOT-BC156800  Solanum umbelliferum T. S. Ross; O. Mistretta 1993-5-27 7321 Los Angeles W end of the San Gabriel Mtns: Ridge dropping westward from Loop Canyon Road (at 3060 ft) toward Wilson Canyon 841 Comment
  RSA427410  Solanum umbelliferum Wm. Martin 1972-4-1 s.n. Los Angeles Gold Creek, Little Tujunga. Comment
  RSA427428  Solanum umbelliferum Christopher Davidson, Robert Gustafson 1975-6-24 2877 Los Angeles Big Tujunga Canyon, ca. 5 miles NE of Sunland on road 2N78, small side canyon. 686 Comment
  RSA585468  Solanum umbelliferum Tim S. Ross, Steve D. Boyd 1990-5-29 2673 Los Angeles Big Pines Hwy, mid-way between Caldwell Lake and Big Rock Springs, on the NE side of the knoll behind which Shoemaker Canyon turns to the NW. 1402 Comment
  SBBG79167  Solanum wallacei F. R. Fosberg 1932-5-6 8168 Los Angeles Big Wash Cyn, Avalon 25 Comment
  UCR114177  Solanum xanti A. C. Sanders, D. Malueg 1998-6-24 22084 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
  SDSU11153  Solanum xanti var. intermedium D. F. Howe 1947-3-23 1516 Los Angeles Topango Canyon about 1 mile from ocean. Comment
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May 22 2014
  RSA549824  Solanum xanti var. xanti Wandalee Thompson 1964-4-11 2 Los Angeles Liebre Mtns.: San Francisquito Canyon Road at Powerhouse No. 2, San Francisquito Canyon, Angeles National Forest. 457 Comment
  RSA573719  Solidago californica Timothy S. Ross 1990-8-17 3171 Los Angeles S side of Prairie Fork, in the draw between Columbine Spring and Camp Lupine 2042 Comment
  OBI28613  Solidago velutina subsp. californica J. & B. Semple, B. Semple 1981-8-14 5614 Los Angeles E of Kratken Ridge along crk Comment
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Sep 15 2014
  SD181681  Soliva sessilis Louis C. Wheeler 1947-5-22 6502 Los Angeles Exposition Park Comment
  SBBG30803  Sonchus asper S. A. Junak 1998-5-2 SCa 646 Los Angeles S of rd to East Pk, on ridge SW of Pk 1245, ca. 0.9 air mi WNW of East Pk 252 Comment
  SBBG95256  Sonchus oleraceus M. B. Dunkle 1928-4-11 1854 Los Angeles near isthmus 15 Comment
  CATA3160  Spartium junceum Margie Pfeffer, Schylar Gholson 2016-6-8 1 Los Angeles Santa Catalina Island: West side of Country Club Drive in Avalon, across from Catalina Canyon Resort & Spa, north of Cemetery Road 56 Comment
  CHSC3664  Spartium junceum Mary Mac Arthur 1966-6-4 47 Los Angeles San Gab Mts. Past Wilson Turnoff-Angeles Crest. 914 Comment
  OBI12742  Spartium junceum Unknown 1960-5-29 s.n. Los Angeles Pierce College Campus, Canoga Park 244 Comment
  UCD108498  Spartium junceum William H. Lee 1969-6-1 18 Los Angeles location unknown. Comment
  UCR213789  Spartium junceum Scott D. White, Justin M. Wood, Jamie Miner 2009-5-12 12696 Los Angeles San Gabriel Mountains, Millard Canyon, north of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lower Fire Road 707 Comment
  RSA0097910  Spergularia bocconi R. F. Thorne, Percy C. Everett 1965-5-10 34463 Los Angeles Santa Catalina Island: N slope of Black Jack Mountain. 457 Comment
  SBBG69972  Spergularia marina M. N. Ackley -Feb-1928 78 Los Angeles Linwood 24 Comment
  CDA25235  Spergularia rubra R. G. Swinney 2000-5-21 7699 Los Angeles San Gabriel Mountains; Northeast of Azusa, Rincon Canyon, c. 300 meters southwest of Rincon Road entrance and Highway 39, on plateau west of Rincon Road. Comment
  SEINET3153394  Stachys ajugoides G. B. Grant 1904-6-10 1243 Los Angeles Los Angeles Comment
  LA200675  Stachys albens Jonathan Sauer; J. Zadny, M. Zadny 1970-6-15 4826 Los Angeles SANTA MONICA MOUNTAINS, upper Rustic Canyon Comment
  LA52399  Stachys albens Nesta Hutchinson; 1931-8-17 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  UCR212805  Stachys albens Ellen Mackey, Blake Whittington 2006-10-26 NFWF- 1849 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River near Rincon Ranger Station [off Hwy 39] 451 Comment
  UCR36104  Stachys bullata Richard S. Hood 1970-4-13 299 Los Angeles Western Transverse Range; Santa Monica Mtns., c. 3 mi north of Santa Monica, 1 mi north of Sunset Blvd. in Temescal Canyon 244 Comment
  LA52391  Stachys rigida var. rigida Carl Epling; May 1934 Los Angeles Santa Monica Mountains, Mulholland Drive Comment
  SBBG113050  Stebbinsoseris heterocarpa S. A. Junak 1998-4-30 SCa 576 Los Angeles ca. 0.35 mi ENE of East Summit, at head of side branch of Hamilton Cyn 371 Comment
  RSA0112074  Stebbinsoseris heterocarpa Steven A. Junak 2000-5-18 SCa- 1299 Los Angeles Santa Catalina Island. S side of N Shore Road, 0.6 mi. E of turn-off for Howland's Landing. 39 Comment
  RSA596831  Stellaria media Timothy S. Ross, J. Mark Porter 1995-5-4 8491 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  UCR150859  Stellaria media R. G. Swinney, Dave Larson 1999-5-15 7155 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610