Search Results — 2000 specimen records retrieved (1557 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC383914  Abronia pogonantha Roxana S. Ferris 1918-6-12 930 Los Angeles Lancaster Comment
  SEINET4084345  Abronia umbellata M. B. Dunkle 1939-1 7266 Los Angeles China Point, San Clemente Island. Comment
  RSA0025877  Abronia umbellata Peter H. Raven 1962-4-11 17253 Los Angeles Due west of Wall 2, San Clemente Island. 9 Comment
  SBBG80281  Abronia umbellata F. C. Boutin 1967-4-23 Los Angeles coast N of Wilson Cove 493 Comment
  RSA248012  Abronia villosa Robert F. Thorne, Gary D. Wallace 1973-4-24 43449 Los Angeles Antelope Valley, Western Mojave Desert: Lovejoy Buttes, N of Llano, S slope. 915 Comment
  RSA651425  Acacia longifolia J. G. Page 1949-2-7 s.n. Los Angeles Collected at corner of Towne & Lincoln, Pomona. Comment
  PASA1798  Acamptopappus sphaerocephalus Stason 1930-5-18 Los Angeles Lovejoy Buttes Comment
Read comments
Sep 5 2014
  CAS-BOT-BC331568  Acer macrophyllum Tim Ross; Steve Boyd 1994-5-24 7866 Los Angeles Liebre Mountains, Lower NE slope of Grass Mountain, slope dissected by Burns Truck Trail and draining to the upper central area of Burns Canyon. 1158 Comment
  LA62879  Acer macrophyllum A. M. Johnson; 1927-11-11 2695 Los Angeles Santa Monica Mountains, Los Angeles River, Griffith Park Comment
  RSA221580  Acer macrophyllum Arthur C. Gibson, Linda Gibson 1971-3-27 1746 Los Angeles Evey Canyon, Angeles National Forest, NE of Claremont. Comment
Read comments
Mar 31 2014
  UCR258599  Acer macrophyllum R. G. Swinney 2010-8-26 13597 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  SD197640  Acer negundo var. californicum A. C. Sanders, T. B. Salvato 2009-5-20 36852 Los Angeles San Gabriel Valley: Rio Hondo at Rancho Lujan, between Montebello and South El Monte, est side of San Gabriel Boulevard, southeast of Darlington Street intersection. 60 Comment
  RSA762705  Achillea millefolium R. G. Swinney 2008-7-24 9343 Los Angeles Waterman Mountain, ski runway on east-facing slope. 2390 Comment
  RSA188312  Achillea millefolium var. californica R. F. Thorne 1966-6-1 36463 Los Angeles Santa Catalina Island, along Pebbly Beach Drive SE of Avalon. 46 Comment
  SEINET6794816 Image available Achnatherum occidentale subsp. pubescens R. G. Swinney 2009-1 11029 Los Angeles Transverse Range; San Gabriel Mtns. Horse Flats, 1 air mile ... 1720 Comment
  RSA522435  Achnatherum parishii Timothy S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4016 Los Angeles San Gabriel Mountains, Angeles National Forest: NE of Tie Summit Station and E of Angeles Forest Hwy., Tujunge Ranger District. 1646 Comment
  CAS-BOT-BC29824  Achyrachaena mollis P. A. Munz; R. D. Harwood 1920-3-13 3290 Los Angeles San Jose Hills, 5 miles W of Pomona 304 Comment
  SBBG52683  Acmispon americanus F. R. Fosberg 1931-7-11 4386 Los Angeles middle of Cape Cyn 200 Comment
  CAS-BOT-BC204757  Acmispon argophyllus var. argenteus R. M. Beauchamp 1967-1-27 115 Los Angeles In area east of Wilson Cove area. San Clemente Island Comment
  CATA1071  Acmispon argophyllus var. argenteus Mark L. Hoefs 1995-5-16 2012 Los Angeles Santa Catalina Island: Near Airport Road, just past road to Black Jack Campground 454 Comment
  SDSU4343  Acmispon dendroideus var. traskiae R. M. Beauchamp 1967-1-27 120 Los Angeles San Clemente Island. On slope south of Wilson Cove. Comment
  CHSC891  Acmispon glaber var. brevialatus E. Thomas 1940-2-21 Los Angeles Padua Hills near Claremont. Comment
  LA52404  Acmispon grandiflorus var. grandiflorus E. Lloyd; 1933-4-8 sn Los Angeles Santa Monica Mountains, Temescal Canyon 91 Comment
  SD37797  Acmispon maritimus Edith A. Purer 1931-5-8 2050 B Los Angeles Griffith Park, bare chaparral slope Comment
  SBBG127507  Acmispon wrangelianus M. L. Hoefs, S. A. Junak, K. Kirkland 1998-4-4 2831 Los Angeles hillside above New York Harbor 54 Comment
  SD37578  Acourtia microcephala Edith A. Purer 1931-5-8 Los Angeles Griffith Park. Comment
  UC831519  Acourtia microcephala John I. Carlson 1915-6-13 Los Angeles Avalon; Santa Catalina Isl. Comment
  CHSC24188  Adenostoma fasciculatum T. P. Spira 1976-6-7 55 Los Angeles In Stokes Canyon, 1 mi n of Mulholland Hwy., 200 yd to e of Stokes Canyon Rd. Comment
  RSA682666  Adenostoma fasciculatum LeRoy Gross, Naomi S. Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1087 Los Angeles North side of mountains: South of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway. 556 Comment
  RSA702289  Adenostoma fasciculatum Scott D. White, Pam De Vries 2004-5-18 10439 Los Angeles Eastern Santa Susana Mtns. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  UC859039  Adenostoma fasciculatum Ezra C. Knopf 173 Los Angeles Santa Catalina Isl. Comment
  RSA453175  Adenostoma sparsifolium H. E. Hasse 1910-9-1 s.n. Los Angeles Topanga Canyon. Comment
  RSA611077  Adiantum capillus-veneris L. C. Wheeler 1970-6-26 s.n. Los Angeles San Gabriel Mountains: Fish Fork. 1098 Comment
  SD112340  Adiantum capillus-veneris Darley F. Howe 1915-3-1 25 Los Angeles San Dimas Canyon Comment
  UC42031  Adiantum capillus-veneris R. S. Norris June 1893 Los Angeles Catalina Isl Comment
  POM250499  Adiantum jordanii I. W. Clokey, E. G. Anderson 1935-5-9 6505 Los Angeles San Dimas Canyon Comment
  UCSB11835  Adiantum jordanii Haines, Bruce 1962-3-11 Los Angeles 5mi N of the Pacific Ocean on CA Hwy 27, Topanga 259 Comment
  CAS-BOT-BC29343  Ageratina adenophora Louis C. Wheeler 1934-2-2 2369 Los Angeles Elysian Park, Los Angeles 121 Comment
  CAS-BOT-BC29529  Agoseris apargioides Gent 1900-5-17 2623 Los Angeles El Monte Comment
  UCR18014  Agoseris heterophylla A. C. Sanders 1976-5-9 802 Los Angeles Mojave Desert, Hwy 138 at the W end of the Antelope Valley 976 Comment
  RSA733592  Agoseris retrorsa R. G. Swinney 1998-7-29 6544 Los Angeles San Gabriel Mtns.: c. 100 m downstream from upper Fish Fork Campground 1817 Comment
  RSA763745  Agoseris retrorsa Orlando Mistretta, Christine Mistretta 2008-5-20 3154 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 96 per TRTP Survey 2008), Rincon Red box Rd., W Fork of the San Gabriel River, N slope of Monrovia Pk. 1476 Comment
  CAS-BOT-BC127236  Agrostis exarata L. R. Abrams; I. L. Wiggins 1931-7-6 370 Los Angeles San Clemente Island. Vicinity of Mosquito Harbor. Comment
  RSA720607  Agrostis exarata R. G. Swinney 1997-7-23 5730 Los Angeles upper Government Canyon, c 2 mi W of Wrightwood, Blue Ridge Mtn area 2256 Comment
  UCR190928  Agrostis exarata R. G. Swinney 1999-7-14 7560 Los Angeles San Gabriel Mtns., East Fork San Gabriel River Canyon, c. 0.25 mi. north of Laurel Gulch 713 Comment
Read comments
May 11 2012
  RSA720401  Agrostis stolonifera R. G. Swinney 1997-7-23 5734 Los Angeles upper Government Canyon, c 2 mi W of Wrightwood, Blue Ridge Mtn area 2256 Comment
  UCR206458  Agrostis viridis R. G. Swinney 2008-6-9 8950 Los Angeles San Gabriel Mtns., Sandrock Creek, 1.0 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  RSA603586  Alisma triviale L. C. Wheeler 1947-9-17 6630 Los Angeles Rio Hondo: at Rosemead Blvd. Comment
  RSA165701  Allium burlewii Wesley O. Griesel 1963-6-5 805 Los Angeles Throop Peak, San Gabriel Mountains 2774 Comment
  POM122174  Allium fimbriatum var. fimbriatum Marion Hill 1926-5-9 s.n. Los Angeles Mohave Desert on road from Swartout [1942: Big Pines] Comment
  RSA632450  Allium fimbriatum var. fimbriatum L. C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast of Vincent 991 Comment
  SEINET3884725  Allium haematochiton K. Dobry 1991-5-13 512 Los Angeles West San Gabriel Mountains at Elsmere Canyon.; 0 Comment
  UCR124247  Allium haematochiton L. C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mtns, Divide between W fork Ebey and Little Tujunga Canyons 610 Comment
  UCR165248  Allium haematochiton A. C. Sanders, Helen Kennedy 2005-4-13 29472 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
  POM1646  Allium monticola I. M. Johnston 1918-6-16 2031 Los Angeles Ice Canyon 2134 Comment
  RSA639707  Allium monticola L. C. Wheeler 1968-7-15 s.n. Los Angeles Southwest side Dawson Peak. 2865 Comment
  UC1601946  Allium praecox George B. Grant and Walter Wheeler Apr 21 1904-Apr 26 1904 34 -4408 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC475403  Allium praecox Carl B. Wolf 1932-5-12 3583 Los Angeles Santa Catalina Island. 2 mi. from isthmus on road to little harbor 91 Comment
  UCR194259  Allophyllum R. G. Swinney 1998-8-5 6650 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch 1280 Comment
  RSA228893  Allophyllum divaricatum R. F. Thorne 1971-6-26 39985 Los Angeles San Gabriel Mtns., Angeles National Forest: Near entrance to Chilao Flats 1616 Comment
  SEINET2444425  Allophyllum divaricatum Leigh A. Johnson, Gery Allen 1997-5-26 97 -091 Los Angeles Angeles Natl. Forest, San Gabriel Mtns. Ca. 2 miles along Glendora Ridge Road from jct. with Mt. Baldy Road. 1000 Comment
  RSA495619  Allophyllum gilioides subsp. gilioides S. Zona, D. Arias, Oscar Dorado, M. Hanson, Jose Luis Villasenor 1989-6-21 342 Los Angeles Mountain High Ski Resort: W of Wrightwood, N slopes of San Gabriel Mts. 2017 Comment
  RSA702157  Allophyllum glutinosum Michael Honer 2004-6-22 1984 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon and Hog Back. 854 Comment
  SD41258  Alnus rhombifolia Edith A. Purer 1931-3-7 1526 Los Angeles Oakwilde Comment
Read comments
Jul 10 2010
  SFV12455  Alnus rhombifolia M. H. Grayum, D. L. Koutnik, B. Balch 1978-1-8 943 Los Angeles San Gabriel Mountains Along creek in Los Pinetos Canyon. 564 Comment
  UC1211130  Alnus rhombifolia Huron H. Smith 1912-4-30 4878 Los Angeles Mt. Wilson Comment
  SBBG72687  Amaranthus blitoides R. Hoffmann 1927-6-14 Los Angeles Palmdale Comment
  RSA724045  Amaranthus blitum subsp. emarginatus R. E. Riefner 2007-8-3 7 -343 Los Angeles San Dimas, Puddingstone Reservoir, Bonelli Region County Park. 290 Comment
  RSA0048589  Amaranthus retroflexus Lee Haines 1949-7-22 s.n. Los Angeles Canoga Park. Comment
  POM219128  Amaranthus watsonii L. C. Wheeler 1932-7-19 963 Los Angeles Light soil in citrus grove 411 Comment
  CAS-BOT-BC42855  Ambrosia acanthicarpa Cecil Hart 1922-9-12 5 Los Angeles Howard & Smith's nursery, Montebello Comment
  RSA127780  Ambrosia chamissonis Peter H. Raven, Henry J. Thompson 1959-6-4 14331 Los Angeles Santa Monica Mountains. Point Dume. 46 Comment
  RSA3579  Ambrosia chamissonis C. B. Wolf 1932-5-12 3954 Los Angeles Little Harbor, Santa Catalina Island. 3 Comment
  RSA416921  Ambrosia chamissonis F. R. Fosberg 1931-5-19 S 4922 Los Angeles Santa Catalina Island. Whites Landing. 0 Comment
  UC303986  Ambrosia chamissonis S. B. Parish 1918-6-5 11872 Los Angeles dunes Playa del Rey Comment
  RSA229136  Amelanchier utahensis Robert F. Thorne, C. W. Tilforth 1971-6-30 40815 Los Angeles San Gabriel Mts., Angeles National Forest: Desiccated branch of S fork of Little Rock Creek, 1.8 miles below Alder Saddle in Pinyon Flats area. 1555 Comment
  CHSC95765  Amorpha californica var. californica LeRoy Gross; Laura Moore 2000-6-5 222 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 579 Comment
  RSA156542  Amorpha californica var. californica L. R. Abrams 1902-7-1 2622 Los Angeles Little Santa Anita Canyon, San Gabriel Mountains. Comment
  UCR89478  Amsinckia douglasiana T. S. Ross, Steve Boyd, L. Arnseth 1991-4-29 4793 Los Angeles San Gabriel Mtns., Parker Mtn and ridge to the SW: SW of Acton and NNE of Ravenna 1259 Comment
  RSA0079965  Amsinckia intermedia L. R. Abrams 1901-4-1 1233 Los Angeles Ballona Harbor. Comment
  RSA0079970  Amsinckia intermedia R. F. Thorne, R. C. Rollins, D. Propst, R. Carolin 1967-3-18 36756 Los Angeles In Bulrush Canyon, Santa Catalina Island. 244 Comment
  VVC2916  Amsinckia menziesii Tim Thomas 2014-5-4 6287 Los Angeles Mojave Desert, Antelope Valley 2.6 miles north of Neenach, just east of aqueduct just south of Ave A. 884 Comment
  UCR71269  Amsinckia spectabilis Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4356 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, third canyon south of Bryce Canyon 427 Comment
  UCR154355  Amsinckia tessellata A. C. Sanders 2005-5-5 29904 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road at NE end of mesa 640 Comment
  POM368388  Amsinckia tessellata N. C. Cooper 1948-4-21 2671 Los Angeles Littlerock 762 Comment
  RSA465141  Anagallis arvensis John E. Marble 1894-3-30 s.n. Los Angeles Between Glendora and San Dimas. Comment
  RSA465142  Anagallis arvensis Cora Mae Life 1923-07 25 Los Angeles U.C. campus. Comment
  UCR139936  Ancistrocarphus filagineus L. C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mtns., East side of Little Tujunga Canyon, 0.75 mi SSE of Herreres Ranch 579 Comment
  RSA503860  Anemopsis californica M. B. Dunkle 1928-5-12 1926 Los Angeles Santa Catalina Island, Empire Landing. Comment
  POM6149  Anisocoma acaulis W. R. Dudley, F. H. Lamb 1896-6-12 4441 Los Angeles Gorman's Station Comment
  RSA509605  Anthemis cotula L. C. Wheeler 1967-5-13 9495 Los Angeles Between Little Dalton Canyon Englewild Canyon. 381 Comment
  POM4238  Antirrhinum coulterianum W. R. Dudley, F. H. Lamb 1896-6-9 4394 Los Angeles Kings Canyon, Liebre Mts. Comment
  RSA549186  Antirrhinum coulterianum Tim S. Ross, Peter Fritsch 1990-6-20 3662 Los Angeles San Gabriel Mountains: Rincon-Red Box Rd (2N24); ridgetop between W Fork San Gabriel River and Roberts Canyon 1329 Comment
  UC61530  Antirrhinum kelloggii Ernest Braunton May 1904 911 Los Angeles Glendale to Burbank Comment
  RSA574302  Antirrhinum kelloggii R. G. Swinney 1994-5-7 2819 Los Angeles Glendora Wilderness Park, along Mystic Canyon Trail. N of Big Dalton Canyon Rd. 457 Comment
  POM354865  Antirrhinum multiflorum L. E. Hoffman 1929-6-23 s.n. Los Angeles Wash. Hd. [Wash at head of] Pacoima Canyon, Angeles National Forest. Comment
  SD85156  Antirrhinum nuttallianum subsp. subsessile E. R. Blakley 1962-6-10 5247 Los Angeles San Clemente Island, north slope, Ao mile up canyon from mouth, halfway between Eel Point and Seal Cove 29 Comment
  UC557799  Antirrhinum nuttallianum subsp. subsessile Nell Murbarger May 1936 181 Los Angeles mesa summit on w slope San Clemente Island Comment
  SD103333  Aphyllon vallicolum W. P. Armstrong 1979-7-6 Los Angeles Pomona College campus, west of junction between Mills Ave. and Blanchard Pl. Comment
  RSA470379  Apiastrum angustifolium B. C. Templeton 1931-4-12 s.n. Los Angeles Mandeville Canyon 400 Comment
  UCR78090  Apiastrum angustifolium David Charlton 1991-7-5 5503 Los Angeles San Gabriel Mtns., Lake Hughes Road, south of Castaic Lake, l mi. [NE] of Visitor Center 400 Comment
  RSA470404  Apium graveolens H. de Forest 1931-8-7 s.n. Los Angeles Topanga canyon Comment
  RSA0128661  Arabis repanda var. repanda LeRoy Gross, Michael Denslow 2003-6-4 986 Los Angeles Trail from Islip Saddle to South Fork Big Rock Creek. 0.5 to 0.7 mile down trail from the Saddle, before Reed Spring. 1921 Comment
  RSA729704  Aralia californica R. G. Swinney 1998-7-28 6515 Los Angeles San Gabriel Mtns.: south fork of Cow Canyon at and above Fallen Leaf spring, to 0.2 mi. south of Glendora Ridge rd. 1366 Comment
  CAS-BOT-BC410061  Arceuthobium divaricatum Louis C. Wheeler 1973-3-17 s.n. Los Angeles San Gabriel Mountains, Punchbowl Canyon 1493 Comment
  CAS-BOT-BC23863  Arctostaphylos catalinae Reid Moran 1941-2-28 651 Los Angeles Santa Catalina Island, head of Johnson's Canyon. Comment
  RSA626786  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-8-20 20196 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA626827  Arctostaphylos glandulosa Allen Massihi, Jon E. Keeley 1992-6-30 15863 Los Angeles Highway 39, 1 km northwest of Crystal Lake Recreation. 1700 Comment
  CAS-BOT-BC23245  Arctostaphylos glandulosa subsp. glandulosa LeRoy Abrams 1901-6-4 1699 Los Angeles Las Tunas Canyon, Santa Monica Mts. Comment
  JEPS42547  Arctostaphylos glandulosa subsp. glandulosa Frank W. Peirson 1918-5-26 141 Los Angeles summit Mt. Wilson Comment
  UCR277400  Arctostaphylos glandulosa subsp. glandulosa R. G. Swinney 2010-8-23 13573 Los Angeles San Gabriel Mountains, Mt. Zion summit, between Hoegee Campground and Camp Sturtevant on the Mt. Zion Trail 1090 Comment
  POM3408  Arctostaphylos glauca I. M. Johnston 1917-1-28 s.n. Los Angeles Mouth of San Antonio Canyon Comment
  RSA631509  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16034 Los Angeles Ridge Route, 18 km south of Liebre Gulch turnoff. 900 Comment
  RSA631513  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16055 Los Angeles Ridge Route, 3 km north of Liebre Gulch turnoff. 1000 Comment
  RSA631521  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15654 Los Angeles Angeles Forest Highway, 1 km north of Big Tujunga Canyon turnoff. 1050 Comment
  RSA631522  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15658 Los Angeles Angeles Forest Highway, 1 km north of Big Tujunga Canyon turnoff. 1050 Comment
  SD211591  Arctostaphylos glauca Barbara Ertter, Teresa Sholars and David Thopmson 1987-5-24 6977 Los Angeles Head of Dorr Canyon on Highway 2 East of Dawson Saddle, San Gabriel Mountains circa 9 airmiles West of Wrightwood 2133 Comment
  SD49833  Arctostaphylos parryana A. E. Wieslander 1936-8-28 673 Los Angeles San Antonio Quadrangle, Big Pine Park 2075 Comment
  SD146284  Arctostaphylos parryana A. C. Sanders, D. Malueg 1998-6-24 22080 Los Angeles San Gabriel Mountains: 2 miles E of Mt. Gleason at Little Gleason Forestry Plantation, on S. Cal. Edison Mesa-Vincent transmission line at Tower 7-2 (Acton 7.5'Q) 1707 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
  RSA634826  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22020 Los Angeles Dirt road between Chilao and Mill Creek Summit, 2.7 km E of turnoff to Pacifico Mtn., San Gabriel Mtns. 1825 Comment
  RSA634870  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20270 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA634909  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22053 Los Angeles Dirt road between Chilao and Mill Creek Summit, ca. 100 m north on side road to Pacifico Mountain. 2000 Comment
  RSA634913  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22060 Los Angeles Dirt road between Chilao and Mill Creek Summit, ca. 100 m north on side road to Pacifico Mountain. 2000 Comment
  RSA634921  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20533 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA635073  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20378 Los Angeles Road to Mt. Gleason, 13.7 km west of Mill Creek Summit, San Gabriel Mtns. 1805 Comment
  RSA635110  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20435 Los Angeles Road to Sulphur Springs Campground, 0.2 km north of dirt road to Pacifico Mtn., north of Chilao, San Gabriel Mtns. 1650 Comment
  UC1181380  Arctostaphylos patula Peter Kamb 1947-6-13 604 Los Angeles e slope Mount San Antonio Comment
  UCD53450  Arctostaphylos patula subsp. platyphylla Robert F. Thorne; John Olmsted 1965-8-26 35352 Los Angeles San Gabriel Mountains; Angeles National Forest; near top of Bue Ridge, SE of Holiday Hill Ski Lift. 2560 Comment
  UCR238479  Arenaria macradenia var. macradenia Orlando Mistretta, Christine Mistretta 2008-5-2 2605 Los Angeles Transverse Ranges; Liebre Mountains, Southern California Edison transmission line tower (Segment 5, structure 29 per TRTP Survey 2008), in the vicinity of Ritter Ridge 1021 Comment
  UC1076490  Arenaria macradenia var. macradenia Herbert L. Mason 1926-4-26 2977 Los Angeles Summit of Mint Canyon Comment
  RSA434334  Argemone munita Gus Gluechert 1937-6-26 s.n. Los Angeles Mint Canyon. Comment
  SFV21452  Aristida purpurea var. parishii L. Gross, V. Soza, S. Tessel 2001-6-4 400 Los Angeles Verdugo Mountains Northwest side of mountains. Just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek in Sun Valley. On ridge that runs down to the mouth of McDonald Creek, on west side of creek but a short distance from the main crest. 366 Comment
  POM11880  Aristida ternipes var. hamulosa Joseph Clemens 1922-6-10 s.n. Los Angeles Behind Occidental College Comment
  SFV12660  Artemisia biennis M. H. Grayum, D. L. Koutnik, B. Balch 1977-11-27 899 Los Angeles Santa Monica Mountains Tapia Park. Along Malibu Creek. 145 Comment
  SBBG128242  Artemisia douglasiana M. L. Hoefs, S. A. Junak, K. Kirkland 1998-7-18 2986 Los Angeles Middle Ranch Reservoir 188 Comment
  UCR271209  Artemisia douglasiana R. G. Swinney 2011-11-1 15963 Los Angeles San Gabriel Mountains, confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 671 Comment
  POM310453  Artemisia dracunculus Margaret Hardinge 1945-11-26 63 Los Angeles Claremont- in San Antonio Wash. 335 Comment
  SBBG43894  Artemisia nesiotica M. R. Benedict 1971-6-25 Los Angeles low terrace 0.5 mi S of Wilson Cove 12 Comment
  CAS-BOT-BC97273  Artemisia tridentata subsp. parishii Timothy S. Ross; Steve Boyd 1994-9-20 8239 Los Angeles 2 miles NW of Acton: Sandy wash, S side of intersection Escondido Canyon Road & Red Rover Mine Road 902 Comment
  RSA0039070  Artemisia tridentata subsp. parishii R. G. Swinney 2009-11-13 11617 Los Angeles confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 921 Comment
  RSA305926  Artemisia tridentata subsp. parishii Fay A. MacFadden 1931-08 3196 Los Angeles Pacoima Wash. Comment
  RSA562694  Artemisia tridentata subsp. parishii D. Charlton 1989-9-15 4148 b Los Angeles Plant 42, east of Palmdale 762 Comment
  RSA0104732  Asclepias eriocarpa R. G. Swinney 2008-7-15 9202 Los Angeles San Gabriel Mountains: Winston Peak. 2275 Comment
  RSA595946  Asclepias fascicularis Steve Boyd, Mark Elvin, Victoria Jotikasthira 1996-6-25 8879 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
  LA3676  Aspidotis californica B. R. Lowe; 1954-4-27 sn Los Angeles SANTA MONICA MOUNTAINS, Rustic Canyon, Camp Josepho. Comment
  LA3681  Aspidotis californica Carl Epling; Lincoln Ellison 1966-3-30 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA84995  Asplenium vespertinum F. W. Peirson 1921-6-21 2840 Los Angeles West Fork of San Gabriel River. 610 Comment
  RSA608442  Aster greatae L. C. Wheeler 1932-9-30 1414 Los Angeles 1/4 mi. below falls, Fish Canyon, San Gabriel Mts. 335 Comment
  UCR110459  Aster greatae Scott D. White 1994-7-18 2270 Los Angeles San Gabriel Mtns., San Dimas Canyon; along San Dimas Canyon Road 488 Comment
  UCR210449  Aster subulatus R. G. Swinney 2008-12-2 9930 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 0.8 mi. north of Foothill Blvd. 195 Comment
  UCR126751  Astragalus didymocarpus A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26229 Los Angeles Western San Gabriel Mtns., Castaic, south side of Lake Hughes Rd. near Ridge Route, west of Castaic Creek, Newhall Ranch property 351 Comment
  CAS-BOT-BC182325  Astragalus didymocarpus var. didymocarpus Geo. B. Grant 1903-3-10 3651 Los Angeles [Carranza] Garvanza - R.R. Hill. Comment
  RSA226012  Astragalus douglasii var. douglasii R. F. Thorne, C. W. Tilforth 1971-6-29 40668 a Los Angeles San Gabriel Mountains, Angeles National Forest: near junction of Angeles Forest & Mt. Emma Roads 1128 Comment
  UCR187194  Astragalus gambelianus A. C. Sanders 2006-4-25 32194 Los Angeles Transverse Range; Liebre Mtns. Region, 3/4 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 976 Comment
  RSA615517  Astragalus gambelianus L. C. Wheeler 1968-4-13 s.n. Los Angeles San Gabriel Mountains: Saddle on ridge south of mouth of Big Dalton Canyon. 480 Comment
  POM74163  Astragalus lentiginosus var. albifolius Katherine Brandegee 1905-05 s.n. Los Angeles Lancaster. Comment
  RSA415574  Astragalus lentiginosus var. antonius B. C. Templeton 1933-5-15 5138 Los Angeles East Blue Ridge, Big Pines Park, San Gabriel Mountains. 2134 Comment
  CAS-BOT-BC194250  Astragalus pachypus Alice Eastwood; John Thomas Howell 1937-4-26 3973 Los Angeles Near Palmdale Comment
  CAS-BOT-BC193024  Astragalus purshii var. tinctus Carl B. Wolf 1937-5-20 8743 Los Angeles Tehachapi Mts., 1 mi. So. of Tejon Pass on Hungry Valley Road 1280 Comment
  UC13390  Astragalus trichopodus var. lonchus J. H. Barber 1897-4-4 124 Los Angeles near Beach (Sierra de Santa Monica); Sierra de Santa Monica Comment
  UCR200206  Athysanus pusillus Valerie Soza, LeRoy Gross, Adelina Munoz 2000-5-12 905 Los Angeles Verdugo Mountains, northwest side, northwestern end of Verdugo Crestline Drive from New Home Avenue, Sunland. Ridge east of and above 210 Fwy and west of fire road, opposite water tank. Near 34 deg. 15' 14.5'' N 118 deg. 19' 21.3'' W T2N R14W NW/4, SW/4 sec. 457 Comment
  RSA743669  Atriplex amnicola R. E. Riefner 2006-7-8 6 -289 Los Angeles City of Malibu, Malibu Lagoon at Pacific Coast Hwy. 10 Comment
  SBBG65366  Atriplex argentea var. expansa R. Hoffmann 1927-8-31 Los Angeles Palmdale Comment
  RSA452411  Atriplex canescens George R. Johnstone 1932-4-24 s.n. Los Angeles 15 miles E of Palmdale. Mojave Desert. Comment
  UCR167220  Atriplex canescens 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
  RSA588037  Atriplex canescens subsp. canescens Orlando Mistretta 1994-9-27 1504 Los Angeles Little Rock Creek, N of Little Sycamore below jct. of 4N15 and 5N04.3 1158 Comment
  RSA452423  Atriplex confertifolia Anstruther Davidson 1892-7-4 s.n. Los Angeles Lancaster. Comment
  SBBG105330  Atriplex lentiformis subsp. breweri R. M. Beauchamp 1975-8-17 4010 Los Angeles above beach at Pyramid Cove Comment
  RSA713910  Atriplex lentiformis subsp. lentiformis R. E. Riefner 2006-7-29 6 -328 Los Angeles Torrance, Victoria Park, Dominguez Channel, vicinity of Del Amo Blvd. and Carson Plaza Dr. 9 Comment
  RSA478308  Atriplex leucophylla M. B. Dunkle 1928-4-29 1893 Los Angeles Little Harbor. 5 Comment
  RSA478341  Atriplex pacifica F. R. Fosberg 1931-8-23 7290 Los Angeles San Pedro Hills Comment
  RSA478342  Atriplex pacifica F. R. Fosberg 1931-4-22 S 4684 Los Angeles Eagle s Nest, Middle Ranch Canyon, Santa Catalina Island. 200 Comment
  CHSC95345  Atriplex phyllostegia LeRoy Gross 2005-5-19 2309 Los Angeles Mojave Desert; West Mojave Desert region: South of Ave A (Kern County boundary) east of the #14 freeway. South of the city of Rosamond. Between 20th Street West and Sierra Highway. Started at Ave A, then walked south. 722 Comment
  CAS-BOT-BC176526  Atriplex polycarpa Le Roy Abrams; E. A. McGregor 1908-6-30 511 Los Angeles Lancaster, Antelope Valley Comment
  RSA65376  Atriplex rosea L. C. Wheeler 1932-9-5 10479 Los Angeles San Antonio Canyon 1066 Comment
  UCR95526  Atriplex rosea L. C. Wheeler 1946-8-28 6278 Los Angeles San Gabriel Mtns., Mescal Creek, just about (S of) Appletree Flat 1884 Comment
  UC1136335  Atriplex semibaccata R. St. John 1933-2-16 340 Los Angeles Castellamare Calabasas Quad., Castellamare 60 Comment
  RSA453955  Atriplex semibaccata E. A. Purer, Freda Detmers 1931-3-25 s.n. Los Angeles Palos Verde Hills. Comment
  SD31220  Atriplex semibaccata Edith A. Purer 1931-4-28 Los Angeles Palos Verdes Hills. Comment
  SBBG105  Atriplex serenana var. serenana R. Hoffmann 1927-7-16 Los Angeles Chandler's Comment
  CAS-BOT-BC146041  Avena barbata R. M. Beauchamp 1967-1-28 140 Los Angeles San Clemente Island. Near old indian campsite west of Lemon Tank. Comment
  HSC9011  Avena fatua John Warner Hosking 1964-10-26 Los Angeles El Camino College Comment
  UC1215155  Avena sativa Peter H. Raven 1962-5-8 17622 Los Angeles ridge above Wilson Cove (near summit); San Clemente Island 137 Comment
  RSA350399  Baccharis emoryi Wm. Martin 1971-10-21 s.n. Los Angeles Near the junction of Agua Dulce Canyon Road and Highway 14 Comment
  CAS-BOT-BC99409  Baccharis pilularis Peter H. Raven 1959-10-25 14704 Los Angeles Mulholland Highway 1.6 miles west of junction with Decker Road 304 Comment
  SEINET11837861  Baccharis pilularis subsp. consanguinea C. V. Braun 1974-1 23 Los Angeles turn-out on E side of I-5 just N of Castaic Comment
  OBI16946  Baccharis salicifolia Unknown 1960-3-29 Los Angeles Chatsworth lakeside 274 Comment
  RSA587183  Baccharis salicifolia Scott D. White 1995-12-5 3761 Los Angeles Marina Del Rey area; State Rt. 90 median strip between Culver Bl. and Mindanao Way. 5 Comment
  UCR186953  Balsamorhiza deltoidea A. C. Sanders, T. B. Salvato, Aaron Keller 2006-3-22 31976 Los Angeles Tehachapi Mtns. Foothills, south side of Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1067 Comment
  RSA569418  Barbarea orthoceras B. C. Templeton 1933-5-15 5119 Los Angeles Jackson Lake, Big Pines Park 1828 Comment
  UCR205665  Bellis perennis A. C. Sanders, T. B. Salvato 2009-5-20 36882 Los Angeles San Gabriel Valley, Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. (Hwy 19) and west of Santa Anita Ave. 69 Comment
  RSA721720  Berberis aquifolium var. aquifolium R. G. Swinney 1995-3-11 3381 Los Angeles Glendora, Big Dalton Canyon 378 Comment
  POM286771  Berula erecta George B. Grant 1904-6-14 6332 Los Angeles Eastlake Res. Comment
  POM350852  Bidens pilosa F. R. Fosberg 1931-3-1 4216 Los Angeles Topanga Canyon, 2.5 mi. below Wildwood, Santa Monica Mts. 60 Comment
  RSA0049480  Bidens pilosa Richard G. Swinney 2010-8-16 13518 Los Angeles San Gabriel Mountains: Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA157742  Bituminaria bituminosa Wesley O. Griesel 1961-4-11 s.n. Los Angeles Millard Canyon 610 Comment
  UCR154646  Bituminaria bituminosa Lee Jones 2005-5-14 s.n. Los Angeles San Gabriel Mtns, Foothils and NE limits of city of Sierra Madre above the terminus of Stone House Road and the end of Kaia Lane 305 Comment
  UCR155377  Bloomeria crocea A. C. Sanders, T. B. Salvato 2005-5-24 30269 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, c. 0.5 mi. NW of community of Mint Canyon 610 Comment
  CAS-BOT-BC482064  Bloomeria crocea var. crocea Peter H. Raven 1959-5-9 14164 Los Angeles Mulholland Hwy. 1 mile W of Las Virgenes Road, Malibu Creek drainage; Santa Monica Mountains 274 Comment
  UCR281873  Boechera pulchra Mitch Provance 2010-5-20 510- 20 Los Angeles Tehachapi Mountains/Western Mojave Desert, 7.2 miles NW of corner of Rosamond Blvd. and 170th St., vicinity of powerline road. 1204 Comment
  RSA0099411  Boechera repanda R. G. Swinney 2011-8-5 15591 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
  CATA1892  Bolboschoenus maritimus subsp. paludosus Denise Knapp 2006-8-23 Los Angeles Santa Catalina Island: Cherry Valley 0 Comment
  UCR147803  Boschniakia strobilacea L. C. Wheeler 1968-8-7 s.n. Los Angeles San Gabriel Mtns., Devils Canyon near Bear Creek Divide 1707 Comment
  UCR202529  Boschniakia strobilacea R. G. Swinney 2001-8-9 8011 Los Angeles San Gabriel Mtns., east peak on Pleasant View Ridge 2504 Comment
  RSA251471  Bowlesia incana R. F. Thorne 1973-4-11 42839 Los Angeles San Clemente Island, wet bottom of Norton Canyon. 274 Comment
  CAS-BOT-BC420334  Boykinia rotundifolia G. B. Grant 1901-7-26 s.n. Los Angeles Sturtevants Camp Comment
  SJSU13373  Boykinia rotundifolia C. W. Sharsmith 1941-6-22 4403 Los Angeles Eaton Cr, San Gabriel Mts 426 Comment
  RSA268490  Boykinia rotundifolia H. J. Thompson 1960-6-7 3067 Los Angeles Santa Monica Mountains. Malibu Canyon, 0.4 miles south of tunnel, 3 miles north of coast highway US 101. 152 Comment
  SFV2315  Brachychiton populneum P. G. Kilburn 1957-12-8 568 Los Angeles San Fernando Valley Los Angeles, Northridge. Northeast corner of Nordhoff Street and Zelzah Avenue. 258 Comment
  RSA704711  Brachypodium distachyon Gary D. Wallace, C. Black, D. Cohen, R. Lavenburg 1983-6-29 2092 Los Angeles Santa Catalina Island: Twin Harbors area Marine Station. Comment
  SEINET10481263  Brassica campestris David B. Dunn 1941-2-22 Dunn 687 Los Angeles Two blocks s of santa monica blvd on westwood blvd. Comment
  RSA482932  Brassica rapa Freda Detmers 1930-1-18 s.n. Los Angeles In vacant lot, Verdugo near Glendale. Comment
  RSA66080  Brassica rapa F. W. Peirson 1919-1-26 306 Los Angeles Hills east of Rubio Canyon 548 Comment
  LA210055  Brassica rapa John O'Leary; 1950-7-6 Los Angeles Santa Monica Mountains, UCLA campus 121 Comment
  POM307806  Brassica rapa Henry J. Ramsey, Henry J. Ramsey 1938-3-5 2754 Los Angeles Eaton Canyon Park, Altadena. Comment
  CAS-BOT-BC106146  Brickellia nevinii Louis A. Grenta 1901-5-1 s.n. Los Angeles Santa Monica Range Comment
  UCR104148  Brickellia nevinii Scott D. White 1997-5-21 5208 Los Angeles San Gabriel Mtns., San Gabriel River Canyon: north of Azusa, river wash north of Hwy 39, c. 2 road mi north of Foothill Blvd. 229 Comment
  UCR231165  Brickellia nevinii Dan S. Cooper 2011-9-27 911- 111 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, slope south of Forest Lawn Dr. just west of Travel Town 178 Comment
  RSA599127  Bromus arizonicus V. W. Steinmann 1996-3-30 813 Los Angeles Pomona, Elephant Hill, along Mission Boulevard ca. 0.5 kilometers southwest of Humane Way. 250 Comment
  SD90600  Bromus arizonicus Robert F. Thorne 1966-4-16 36024 Los Angeles San Clemente Island, above Wilson Cove, NE end of the island. 29 Comment
  RSA589254  Bromus berteroanus Timothy S. Ross 1991-4-28 4761 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 926 Comment
  UCR223276  Bromus carinatus R. G. Swinney 2009-7-29 11446 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  CAS-BOT-BC149188  Bromus carinatus var. carinatus LeRoy Abrams 1902-5-31 2485 Los Angeles Inglewood. Comment
  SEINET269293 Image available Bromus carinatus var. carinatus Scott D. White, Chet McGaugh 1995-5-9 3010 Los Angeles East edge of Santa Susana Mountains just west of San Gabriel Mountains 'Sunshine Canyon': west of San Fernando Road and 457 Comment
  SEINET943639  Bromus carinatus var. carinatus Timothy S. Ross, Victor W. Steinmann 1995-1 8551 Los Angeles Slopes between Leona Valley and LOST VALLEY, Sleepy Valley 7.5 (QUAD) 1097 Comment
  CAS-BOT-BC148922  Bromus carinatus var. marginatus Ernest C. Twisselmann 1959-6-2 5330 Los Angeles Summit of Liebre Mountain. 1645 Comment
  CAS-BOT-BC156231  Bromus catharticus Le Roy Abrams 1901-4-1 1461 Los Angeles Fruitland. Comment
  RSA596105  Bromus diandrus Mark Hoefs, R. F. Thorne 1996-4-6 2602 Los Angeles Santa Catalina Island, Pebbly Beach. 6 Comment
  CAS-BOT-BC155589  Bromus grandis Louis C. Wheeler 1936-6-8 4134 Los Angeles San Gabriel Mountains. Bell Canyon. 701 Comment
  RSA585947  Bromus grandis Timothy S. Ross, Steve Boyd 1990-5-23 2627 Los Angeles San Gabriel Mountains. Mt Gleason Area: north-northwesterly ridge descending from Messenger Peak (6015 ft), on the watershed divide between Mill Canyon and Moody Canyon 1524 Comment
  RSA623790  Bromus hordeaceus K. Scott 1921-4-20 168 Los Angeles Occidental College Campus, Eagle Rock Comment
  RSA777431  Bromus hordeaceus R. G. Swinney 2009-5-27 10858 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  SBBG12187  Bromus hordeaceus P. H. Raven 1962-4-9 17159 Los Angeles near barracks, Wilson Cove 60 Comment
  SDSU5347  Bromus hordeaceus Gerald Collier 1951-4-28 M 59 Los Angeles 3634 N. Muscatel Avenue, Rosemead. Weedy lot. Comment
  RSA603270  Bromus rubens L. C. Wheeler 1933-5-30 1754 Los Angeles U.C.L.A. Campus, West Los Angeles 137 Comment
  SBBG17764  Bromus rubens P. H. Raven 1962-5-9 17668 Los Angeles near head of cyn S of Mosquito Cove 320 Comment
  UC1131273  Bromus tectorum A. Lewis 1933-4-23 190 Los Angeles 2 1/2 mi sw of Del Sur 853 Comment
  UCR190028  Bromus tectorum R. G. Swinney 1998-6-16 6985 Los Angeles San Gabriel Mtns., summit of Lookout (Antonio) Mountain 2077 Comment
  CDA5375  Buddleja saligna T. C. Fuller 1966-9-27 15215 Los Angeles Adjacent to power sub-station, east side of Rambla Pacifico Road, Santa Monica Mountains, 0.3 mile north of Malibu Sea Lion, Malibu. 0 Comment
  SD69466  Cakile maritima Robert F. Thorne 1966-4-6 35897 Los Angeles Santa Catalina Island; Beach at White's Landing. Comment
  LA82410  Calandrinia ciliata O. H. Kappler; 1941-2-9 81 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA533954  Calandrinia maritima Timothy S. Ross, Orlando Mistetta, Mike Hammitt 1991-5-18 5211 Los Angeles San Clemente Island: 1300 feet NNW of Gud (888') marker. 241 Comment
  SBBG132073  Calandrinia menziesii S. A. Junak, B. Collins 1991-4-25 SCI 218 Los Angeles near site of Middle Ranch ruins, just N of rd of Middle Ranch Cyn Comment
  SEINET222398  Calocedrus decurrens L. M. Shultz 1981-4-11 4916 Los Angeles Rancho Santa Ana Botanic Garden Claremont 305 Comment
  UC843621  Calochortus albus I. W. Clokey and E. G. Anderson 1935-5-9 6544 Los Angeles San Dimas Canyon Comment
  LA22345  Calochortus catalinae Mary Reynolds; 1937-4-29 152 Los Angeles Highland Park Comment
  SEINET4044539  Calochortus catalinae D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains, East of Corral Canyon Road. 106 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
  SEINET4169784  Calochortus clavatus Ira W. Clokey, B. Templeton 4552 Los Angeles Mandeville Canyon, Santa Monica Mountains 500 Comment
  UCR126697  Calochortus clavatus A. C. Sanders, Andy Thomson 2003-4-15 25991 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1000 ft. south of Magic Mountain theme park 396 Comment
  RSA377339  Calochortus clavatus var. clavatus Anstruther Davidson 1892-05 s.n. Los Angeles Laurel Canyon [Santa Monica Mountains] [Angeles National Forest, JSA 8/30/12] Comment
  JEPS61703  Calochortus invenustus Frank W. Peirson 1922-7-5 3188 Los Angeles n of Big Pines; San Gabriel Mts., Le Montaine 2286 Comment
  UCR205611  Calochortus kennedyi var. kennedyi R. G. Swinney 2008-5-12 8838 Los Angeles San Gabriel Mtns., east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  RSA547823  Calochortus plummerae Timothy S. Ross, Peter W. Fritsch 1990-6-20 3622 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near the confluence of E and W forks of the San Gabriel River. Stream bottom to slopes. 445 Comment
  RSA68638  Calochortus plummerae Frank W. Peirson 1918-6-12 8 Los Angeles Burnt area in hills east of Rubio Canyon, San Gabriel Mountains. Comment
  UC1175005  Calochortus plummerae P. C. Everett and E. K. Balls 1959-6-29 23873 Los Angeles Santa Monica Mountains, Stokes Canyon Stokes Canyon; Santa Monica Mountains, Stokes Canyon 152 Comment
  UCR280513  Calochortus plummerae R. G. Swinney 2014-5-13 16504 Los Angeles San Gabriel Mountains, Glendora, west fork of Hook Cyn., c. 0.4 km north of Sierra Madre Av., 100-300 m west of entrance to Church of the Open Door, Colby Fire burn of Jan. 2014 354 Comment
  UCR155366  Calochortus venustus A. C. Sanders 2005-5-11 30128 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon, SW of Cruzan Mesa on bench on north side of canyon 573 Comment
  POM351395  Calycadenia tenella Fordyce Grinnell Jr. 1910-5-5 s.n. Los Angeles Arroyo Seco near Pasadena 365 Comment
  RSA330769  Calyptridium parryi var. parryi Wayne E. Sawyer 1980-7-3 5 Los Angeles Angeles National Forest: CA. Higway 2 between Dawson Saddle and junction of Higway 39, 1.6 mile from Dawson Saddle 2302 Comment
  RSA598527  Calystegia macrostegia subsp. amplissima J. P. Rebman, Jonathan Dunn 1996-4-29 3114 Los Angeles San Clemente Island: Eel Cove and Eel Cove Canyon on west side of island. 15 Comment
  LA81927  Calystegia macrostegia subsp. cyclostegia O. H. Kappler; 1944-2-13 545 Los Angeles SANTA MONICA MOUNTAINS, Encinal Canyon 60 Comment
  RSA229031  Calystegia occidentalis subsp. fulcrata R. F. Thorne, C. W. Tilforth 1971-6-30 40748 Los Angeles Pacifico Mountain 1951 Comment
  RSA593433  Calystegia occidentalis subsp. fulcrata Steve Boyd, Mark Elvin, Victoria Jotikasthira 1996-6-25 8891 Los Angeles Liebre Mountains, along summit of Sawmill Mountain, west of Sawmill Camp and just north of 7N23. 1610 Comment
  RSA698760  Calystegia occidentalis subsp. fulcrata LeRoy Gross, Paul Morton 2004-6-10 1370 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
  RSA702966  Calystegia peirsonii Scott D. White, Pam DeVries 2004-5-18 10443 Los Angeles Eastern Santa Susana Mtns. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  SFV20176  Calystegia purpurata subsp. purpurata T. Sagar, C. Wishner 2004-4-17 23 Los Angeles Santa Monica Mountains Seminole Hot Springs. National Park Service Hennesy Property. 260 Comment
  UCR204858  Camissonia R. G. Swinney 2006-6-18 8543 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, northeast of Punchbowl Road, Sandrock Creek north of the nature center 1402 Comment
  RSA0058202  Camissonia californica Richard G. Swinney 2010-10-15 14052 Los Angeles San Gabriel Mountains/Verdugo Mountains: Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace. 335 Comment
  RSA0070194  Camissonia campestris subsp. campestris LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6947 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  RSA0092325  Camissonia campestris subsp. campestris R. G. Swinney 2011-4-20 14432 Los Angeles San Gabriel Mountains: Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 mile upstream in Hunt Cyn. 1220 Comment
  RSA497610  Camissonia campestris subsp. campestris A. C. Sanders, B. Pitzer, J. Lyman 1988-4-4 7773 Los Angeles Mojave Desert, near Quartz Hill in Lancaster. S of Avenue L at 37th St. West 747 Comment
  RSA454023  Camissonia cheiranthifolia subsp. suffruticosa T. A. Bonser 1943-07 s.n. Los Angeles Redondo Beach. Comment
  RSA448941  Camissonia claviformis subsp. aurantiaca Ora M. Clark 1929-3-30 1931 Los Angeles s.w. Lancaster. Comment
  RSA598936  Camissonia graciliflora Steve Boyd, T. S. Ross 1997-3-21 9195 A Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  IRVC29112  Camissonia hirtella A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26136 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
  RSA654864  Camissonia hirtella A. C. Sanders, D. Malueg 1998-6-24 22069 Los Angeles San Gabriel Mnts.: E of Big Tujunga Dam below Hwy 2 (Angeles Crest) and above Tujunga Canyon Road, ridge above Josephine Creek, So. Cal. Edison Mesa-Vincent transmission line at tower 13-2 976 Comment
  SEINET238518  Camissonia hirtella A. C. Sanders, D. Malueg 1998-6-24 22069 Los Angeles San Gabriel Mtns.: E of Big Tujunga Dam below Hwy 2 and above Tujunga Cyn. Rd. ridge above Josephine Creek So. Cal Edis 976 Comment
  UCR86842  Camissonia hirtella Scott D. White 1995-4-27 2955 Los Angeles Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon. Road, SW of Malibu Civic Center Way 92 Comment
  UCR131368  Camissonia ignota Jeremiah George 2001-5-25 9 Los Angeles Palos Verdes Peninsula, Palos Verdes Estates, Malaga Cove; south side of Palos Verdes Drive North, west end of Palos Verdes Estates golf course 30 Comment
  POM75440  Camissonia pallida subsp. pallida F. W. Peirson 1928-6-3 7951 Los Angeles roadside, N slope of Pinyon Ridge, betw Rock Creek and Big Pines, San Gabriel Mts. 1372 Comment
  RSA186563  Camissonia pallida subsp. pallida Peter H. Raven 1959-4-13 13995 Los Angeles Mojave Desert, 1 miles W of Little Rock Comment
  POM173505  Camissonia pallida subsp. pallida Ralph Hoffmann 1929-4-27 s.n. Los Angeles Little Rock Dam. North base of San Gabriel Mts. Comment
  RSA0062842  Camissonia strigulosa LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6765 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA0116322  Camissonia strigulosa A. C. Sanders 2008-4-17 34916 Los Angeles Transverse Range: 1.5 mile SW of Neenach School, c. 0.75 mi. SW of VABM Pine, south of peak 3413. 1012 Comment
  SBBG60517  Camissonia strigulosa R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  UC1122219  Camissonia strigulosa A. D. Gifford 1935-3-16 484 Los Angeles 2 1/2 mi sw Red Mountain; Angeles National Forest, Tejon Quadrangle 518 Comment
  UCR214025  Camissonia strigulosa A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37966 Los Angeles Tehachapi Mountains, Crane Canyon, 1.0 mi. SE (144 deg. ) of Castac Lake, 1.7 mi. NE (43 deg. ) of Gorman, just S of Kern Co. line 1189 Comment
  CAS-BOT-BC160514  Camissoniopsis guadalupensis subsp. clementina Peter H. Raven 1962-4-11 17301 Los Angeles San Clemente Island. Beach behind Northwest Harbor 6 Comment
  UCD103475  Camissoniopsis ignota Daryl Koutnik; John Cuti 1978-4-12 336 Los Angeles Verdugo Mountains, S of La Tuna Canyon Road. 579 Comment
  SD247461  Camissoniopsis micrantha R. G. Swinney 2010-3-11 11869 Los Angeles San Gabriel Mountins/Verdugo Mountains: flood plain surrounding Haines Canyon wash, from the I-210 Fwy, in the east, where it crosses wash, to 0.5 mi. west at junction with Big Tujunga Wash (Sunland 7.5'Q) 348 Comment
  CAS-BOT-BC76277  Canbya candida Robert F. Thorne; G. Wallace 1973-4-25 43392 Los Angeles San Gabrile Mountains. Mojave Desert Slope. 0.25 mile north of Bob's Gap, 3.5 miles south of Llano. 1188 Comment
  CAS-BOT-BC76278  Canbya candida Roxana S. Ferris; Ruth P. Rossbach 1938-5-13 9480 A Los Angeles 4 miles northeast of Lancaster on the Muroc Road. Comment
  SFV18443  Capsella bursa-pastoris anon. 1973-6-3 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Placerita Canyon, west section. Comment
  CATA1721  Cardamine californica Mark L. Hoefs, Steven A. Junak, Janet Takara 2000-4-1 3067 Los Angeles Santa Catalina Island: Upper Cherry Valley, above main road 42 Comment
  UC10415  Cardamine californica J. H. Barber 1897-3-21 80 Los Angeles Sepulveda Canyon Sepulveda Canyon (Southern California) Comment
  UCR190609  Cardamine californica R. G. Swinney 1990-3-14 1522 Los Angeles San Gabriel Mountains, Glendora Wilderness Park, on Big Dalton Canyon Road, 1.0 mi east of Glendora Mtn Road, east side of road 442 Comment
  SBBG130737  Cardamine californica S. A. Junak 2000-4-1 SCa 1163 Los Angeles E side of 4th of July Cove, along main rd 60 Comment
  POM399  Cardamine californica var. californica I. M. Johnston 1283 Los Angeles San Gabriel Wash 152 Comment
  UCR207706  Cardamine oligosperma Justin M. Wood 2009-4-13 480 Los Angeles San Gabriel Mountains, Foothills above the city of Sierra Madre, 'one carter estates' at the end of Baldwin Ave. 67 Comment
  RSA484637  Cardamine oligosperma Samuel R. Tyson 1942-4-24 1650 Los Angeles San Dimas Canyon. 502 Comment
  SD232637  Cardaria pubescens A. C. Sanders, E. J. Lott 1993-5-6 13969 Los Angeles Mojave Desert: 13 miles N of Palmdale, Sierra Hwy at Ave F. 701 Comment
  UCR210027  Carex R. G. Swinney 2008-7-12 9180 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Volfe Canyon 0.4 mi. north of confluence with Big Dalton Canyon 622 Comment
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Sep 12 2018
  RSA364581  Carex alma L. C. Wheeler 1933-7-4 1897 Los Angeles San Dimas Canyon, San Gabriel Mountains. 534 Comment
  RSA364582  Carex alma Anstruther Davidson 1906-6-1 1487 Los Angeles Big Rock Creek Comment
  RSA587452  Carex alma Orlando Mistretta 1995-4-11 1619 Los Angeles San Gabriel Mountains. Santiago canyon. Canyon and slopes draining W slopes of Santiago Canyon ca. 1 mi. SW of confluence with Little Rock Creek. 1098 Comment
  RSA594633  Carex alma Steve Boyd, Lauren Raz 1996-10-29 9122 Los Angeles Liebre Mountains region, along 7N19, the road to Atmore Meadows area at the southeastern end of Liebre Mountain in a tributary drainage to the North Fork Fish Canyon. 1463 Comment
  RSA602738  Carex alma L. C. Wheeler 1967-7-15 10031 Los Angeles San Gabriel Mountains: Angeles National Forest: SW side Mt. Waterman. 2134 Comment
  RSA764355  Carex alma Scott D. White 2004-8-20 10722 Los Angeles Upper Big Tujunga Canyon. West of Upper Big Tujunga Cyn Rd, ca. 2 air miles N of jtn w/ Angeles Crest Hwy. 1067 Comment
  UC822620  Carex alma I. W. Clokey and E. G. Anderson 1935-5-9 6530 Los Angeles San Dimas Canyon Comment
  UCR262318  Carex alma Duncan S. Bell, Sarah Fisher, Carrie Kiel 2013-7-23 5436 Los Angeles San Gabriel Mountains, Sheep Mountain Wilderness, Vincent Gulch, near head of canyon 1994 Comment
  RSA662673  Carex alma Paul Neipp 1994-4-28 19 Los Angeles Directly west of San Dimas Ranger Station on San Dimas Canyon Road. Comment
  RSA91592  Carex mesochorea F. W. Peirson 1929-5-10 8365 Los Angeles Altadena. Comment
  JEPS45917  Carex pellita Louis C. Wheeler 1933-7-4 1892 Los Angeles San Dimas Canyon San Gabriel Mts., San Dimas Canyon 533 Comment
  CAS-BOT-BC117946  Carex schottii George Bernard Grant 1904-5-1 137 a Los Angeles Pasadena. Comment
  RSA656249  Carex spissa Steve Archer 1977-5-20 12 Los Angeles Verdugo Mountains: Dead-end street near (last canyon) where the 210 Freeway and La Tuna Canyon meet, La Crescenta 273 Comment
  CAS-BOT-BC115638  Carex triquetra Peter H. Raven; Henry J. Thompson; Sidney R. Snow 1956-6-22 9456 Los Angeles Below Mulholland Drive above Sepulueda Blvd, Santa Monica Mts. Comment
  RSA364779  Carex triquetra Anstruther Davidson 1890-04 s.n. Los Angeles Glendale. Comment
  RSA251541  Carex tumulicola Robert F. Thorne 1973-4-11 42804 Los Angeles San Clemente Island; gully leading into Middle Ranch Canyon. 427 Comment
  CHSC26490  Carpenteria californica James Henrickson 1970-5-2 4659 Los Angeles Cultivated at Rancho Santa Ana Botanic Garden, Claremont. 381 Comment
  SBBG79234  Castilleja affinis W. A. Wright 1931-2-19 Los Angeles above school, Banning Cyn Comment
  SD69438  Castilleja affinis Robert F. Thorne 1966-4-28 36200 Los Angeles Santa Catalina Island; rocky slope along road to Renton Mine, Pebbly Beach Canyon 244 Comment
  JEPS23681  Castilleja affinis subsp. affinis Peter H. Raven 1959-3-15 13953 Los Angeles just e Zuma Beach; Santa Monica Mountains, Point Dume 24 Comment
  UC625070  Castilleja affinis subsp. affinis F. R. Fosberg 1931-3-25 S 4362 Los Angeles s wall Hamilton Canyon; Santa Catalina Island 10 Comment
  RSA425905  Castilleja affinis subsp. affinis Edwin Kline 1923-4-2 s.n. Los Angeles San Gabriel Canyon. Comment
  POM96961  Castilleja applegatei subsp. martinii Philip A. Munz 1925-4-23 9424 -A Los Angeles San Gabriel Canyon. 305 Comment
  RSA588969  Castilleja applegatei subsp. martinii Orlando Mistretta 1994-6-8 1350 Los Angeles Little Rock Creek, un-named drainage draining N slope of Bare Mountain 1738 Comment
  RSA762406  Castilleja applegatei subsp. martinii Orlando Mistretta, Christine Mistretta 2008-5-13 3045 Los Angeles Grizzly Flat Road, vicinity of Dark Cyn, Arroyo Seco Canyon drainage. 949 Comment
  SFV3411  Castilleja exserta M. L. Vincent 1963-5-7 346 Los Angeles Santa Susana Mountains Santa Susana Pass at the foot of the pass. 0.25 miles off the road in a meadow. 310 Comment
  SFV3418  Castilleja exserta K. A. Wilson 1961-3-11 981 Los Angeles San Gabriel Mountains Newhall. Corner of San Fernando Road and 13 St. 380 Comment
  UCSB9634  Castilleja exserta subsp. exserta Krogen, Roger 1957-1 Los Angeles in bottom of Hasley Canyon in flood bed; 2 mi. NW of Hwy 99; 2 mi. S of Castaic Comment
  RSA703542  Castilleja foliolosa Michael Honer 2004-6-22 2003 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon and 'Hog Back.' 854 Comment
  CAS-BOT-BC32536  Castilleja grisea M. B. Dunkle 1939-4-2 7201 Los Angeles SE corner of San Clemente Island Comment
  SBBG132119  Castilleja grisea S. A. Junak 1996-4-13 SCI 325 Los Angeles second cyn S of Bryce Cyn 213 Comment
  POM17979  Castilleja miniata subsp. miniata Philip A. Munz 1923-5-26 6864 Los Angeles Big Rock Creek. Comment
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Jan 31 2008
  RSA226911  Castilleja miniata subsp. miniata Robert F. Thorne 1971-8-25 41255 Los Angeles San Gabriel Mountains, Angeles National Forest: Lily Spring on NW slope of Mt. Hawkins. Comment
  RSA729569  Castilleja miniata subsp. miniata R. G. Swinney 1998-7-21 6479 Los Angeles Upper Fish Fork drainage, south-facing slope of Pine Mountain Ridge, 2.1 mi. SW of Fish Fork Trail and Pine Mt. Ridge. 2085 Comment
  SEINET7063579  Castilleja minor A. G. Vestal 1947-4-8 s.n. Los Angeles Open bush country. Sierra Pelona Valley. Vasquez Rock County Park. UTM Zone 11, 377984mE, 3815639mN. (WGS84/NAD83). 698 Comment
  RSA670702  Castilleja minor subsp. spiralis Bonnie C. Templeton 1931-5-17 1210 Los Angeles Bouquet Canyon, San Gabriel Mountains. Comment
  SBBG66947  Castilleja minor subsp. spiralis M. N. Ackley 1927-6-5 1035 Los Angeles trail to Switzerland 762 Comment
  RSA0035089  Castilleja stenantha L. Haines 1935-07 s.n. Los Angeles San Gabriel Mts. Comment
  RSA706668  Caulanthus amplexicaulis var. amplexicaulis Naomi Fraga, Paul Morton 2004-5-19 1190 Los Angeles Trail (7W02) to Baldy from San Antonio Falls Road. 2104 Comment
  RSA597158  Caulanthus amplexicaulis var. amplexicaulis L. C. Wheeler 1961-6-12 7860 Los Angeles Mouth of Bad Canyon at Pacoima Canyon 1051 Comment
  SBBG72110  Caulanthus coulteri R. Hoffmann 1925-4-19 Los Angeles Elizabeth Lake Comment
  UCR200134  Caulanthus heterophyllus Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 771 Los Angeles Verdugo Mountains, south side, above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Motorway 518 Comment
  SBBG117044  Caulanthus lasiophyllus S. A. Junak 2001-5-4 SCa 1480 Los Angeles overlooking Cherry Cove, on E side of cove, near waterline to Cherry Cove 64 Comment
  UCR280521  Caulanthus lasiophyllus R. G. Swinney 2014-4-10 16010 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
  UCR280869  Caulanthus lasiophyllus R. G. Swinney 2014-5-1 16309 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
  UCSB2488  Caulanthus lasiophyllus Beach, Kay 1943-4-27 Los Angeles Bottom of Monroe Canyon; San Dimas Exp. Forest Comment
  SD87544  Caulanthus major F. W. Peirson 1922-7-5 Los Angeles Le Montaine summit at head of Le Montaine Creek. 2135 Comment
  RSA0085508  Ceanothus arboreus F. Raymond Fosberg 1931-4-2 S 4448 Los Angeles Santa Catalina Island. Divide between Hamilton and Descanso Canyons. 250 Comment
  CAS-BOT-BC49265  Ceanothus cuneatus Carl B. Wolf; E. Norland 1941-7-1 11244 Los Angeles Rancho Santa Ana Botanic Garden - Prop. #4226 - Origin of propataion material - 6 3/10 mi. W. of Palmdale 883 Comment
  RSA616318  Ceanothus cuneatus Scott D. White, Pam De Vries 1998-4-20 6314 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. 579 Comment
  UCR124418  Ceanothus cuneatus B. C. Templeton 1932-5-31 4879 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  SEINET12210445  Ceanothus cuneatus C. V. Braun 1975-1 136 Los Angeles San Francisquito Canyon Road, 2 mi SW of jct w/Spunky Canyon Rd Comment
  UCR191699  Ceanothus greggii A. C. Sanders 2008-4-23 35090 Los Angeles Transverse Range; western San Gabriel Mtns., upper Cow Spring Canyon 1140 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
  RSA584845  Ceanothus leucodermis Tim S. Ross 1993-6-1 7348 Los Angeles Upper Winter Creek Trail between Chantry Flat and Hoegee Camp (on Winter Creek), on the W side of Santa Anita Canyon. 762 Comment
  UCSB3914  Ceanothus leucodermis Kamb, Peter 1947-5-25 Los Angeles Millard Canyon near Sunset Ridge guard station, San Gabriel Mts 670 Comment
  CATA3232  Ceanothus megacarpus Julie L. King 2017-1-17 43 Los Angeles Santa Catalina Island: North side of West End Rd., about 0.5 road miles northeast of junction with Silver Peak Rd. 105 Comment
  LA44910  Ceanothus megacarpus C. & M. Epling; 1925-5-15 sn Los Angeles Santa Monica Mountains, Griffith Park Comment
  UC557730  Ceanothus megacarpus var. insularis Nell Murbarger April, 1936 165 Los Angeles w side of San Clemente Island Comment
  CAS-BOT-BC51438  Ceanothus megacarpus var. megacarpus Peter H. Raven; Robert F. Thorne 1964-5-7 19028 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mountains Comment
  CAS-BOT-BC50497  Ceanothus oliganthus Wesley O. Griesel 1959-3-28 s.n. Los Angeles Verdugo Hills 609 Comment
  CAS-BOT-BC50498  Ceanothus oliganthus Le Roy Abrams 1899-3-11 292 Los Angeles Millards Canyon Comment
  CAS-BOT-BC50483  Ceanothus oliganthus Henry J. Thompson 1959-3-22 1868 Los Angeles Santa Monica Mountains - Lobo Canyon 1 mile west of Triunfo Canyon, 3 miles west of Malibu Lake 274 Comment
  RSA279056  Ceanothus oliganthus var. oliganthus Robert F. Thorne 1971-3-25 41509 Los Angeles San Gabriel Mountains: Lower Evey Canyon off San Antonio Canyon 716 Comment
  UC1211129  Ceanothus oliganthus var. oliganthus Huron H. Smith 1912-4-30 4876 Los Angeles Mt. Wilson 914 Comment
  RSA95346  Ceanothus oliganthus var. oliganthus F. W. Peirson, Ruth Conrad 1926-3-20 6513 Los Angeles Arroyo Seco. 1006 Comment
  RSA0028425  Ceanothus palmeri J. D. Olmsted 1959-5-6 561 Los Angeles Drainage area to E. fk. San Gabriel River. Along Glendora Mtn. Road 1 mi W of Camp Baldy. 1418 Comment
  LA25934  Ceanothus spinosus Judith Webb; 1955-4-2 sn Los Angeles Santa Monica Mountains, fireroad below Mount Saint Mary's College 243 Comment
  RSA1117  Ceanothus spinosus B. D. Stark, H. E. McMinn 1929-8-25 1403 Los Angeles Seminole Hot Spring Comment
  RSA167697  Centaurea cineraria R. F. Thorne, Percy C. Everett 1964-2-7 33443 Los Angeles roadsides in and about Avalon Comment
  RSA702077  Centaurea cyanus Scott D. White, Pam De Vries 2004-5-18 10451 Los Angeles Eastern Santa Susana Mtns. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  SEINET13276829 Image available Centaurea cyanus R. G. Swinney 2011-1 15374 Los Angeles San Gabriel Mountains: 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon (Chilao Flat 7.5' Q.) (T3N R12W S35) 1085 Comment
  UC206215  Centaurea melitensis Katharine Brandegee Los Angeles Santa Catalina Island Comment
  UC894386  Centaurea melitensis L. W. Nuttall 1920-1-1 74 Los Angeles Santa Catalina Island Comment
  UCR23288  Centaurea melitensis Kate Kramer 1981-5-31 53 Los Angeles Malibu Beach 7.5' Q., Malibu Creek State Park. 2 mi west of Las Virgenes & Mulholland Hwy intersection on Mulholland Hwy 275 Comment
  HSC5242  Centaurea melitensis C. S. Apperson 1967-6-11 Los Angeles 4 mi. up Haskell Cyn. Rd. off of Bouquet Cyn. Rd. Comment
  RSA515168  Centrostegia thurberi Steve Boyd, Orlando Mistretta 1986-3-31 1542 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  RSA659939  Centrostegia thurberi Orlando Mistretta 1992-5-18 359 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  SBBG127012  Centrostegia thurberi A. Parikh, N. Gale 2011-6-8 3428 Los Angeles Portal Ridge, 1.5 km W of Godde Hill Rd, 1.1 km S of California Aqueduct 1100 Comment
  RSA65892  Centrostegia thurberi var. thurberi F. W. Peirson 1926-5-8 6725 Los Angeles 4 miles east of Palmdale, Antelope Valley. Comment
  JEPS51335  Cerastium glomeratum Frank W. Peirson 1919-5-18 438 Los Angeles Monrovia Canyon San Gabriel Mts., Monrovia Canyon 457 Comment
  UC1349358  Cerastium glomeratum Robert F. Thorne 1966-4-4 35759 Los Angeles bluff s.e. of Ballast Point and Catalina Harbor Isthmus; Santa Catalina Isl. 60 Comment
  POM174  Cerastium glomeratum Daniel L. Crawford, H. D. Hiatt 1916-3-28 997 Los Angeles Santa Monica Mountains. Roadside in foothills. Comment
  POM6432  Cerastium glomeratum L. T. Street, G. Williams 1919-4-12 2611 Los Angeles Puente [now La Puente]. Comment
  IRVC26159  Cercocarpus betuloides A. C. Sanders, Mark A. Elvin 2003-6-18 26947 Los Angeles around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon Santa Susana Mountains, Western Transverse Range 1037 Comment
  RSA122256  Cercocarpus betuloides G. T. Nordstrom 1935-3-23 406 Los Angeles 1 3/4 mile SE of mouth of Bear Trap Canyon. 701 Comment
  RSA772110  Cercocarpus betuloides R. G. Swinney 2009-5-20 10835 Los Angeles Pechner Canyon, SE of community of Juniper Hills. 1463 Comment
  UCR17481  Cercocarpus betuloides J. L. Huber 1969-4-27 969 Los Angeles San Gabriel Mtns, Chilao, 1 mi north of Chilao Fire Station 1524 Comment
  CAS-BOT-BC142111  Cercocarpus betuloides var. betuloides Geo. B. Grant 1906-9-1 7164 Los Angeles Catalina Island Comment
  CAS-BOT-BC142117  Cercocarpus betuloides var. betuloides Carl B. Wolf 1930-1-30 699 Los Angeles Head of Descanso Canyon - Catalina Island Comment
  CAS-BOT-BC142170  Cercocarpus betuloides var. betuloides Le Roy Abrams 1903-3-11 3116 Los Angeles Sepulveda canyon, Santa Monica Mountains Comment
  LA47759  Cercocarpus betuloides var. betuloides Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  RSA517147  Cercocarpus betuloides var. betuloides Tim S. Ross, Steve D. Boyd 1990-5-14 2481 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1116 Comment
  UC1745958  Cercocarpus betuloides var. betuloides Annetta M. Carter, Arthur Carter 1935-9-13 988 Los Angeles Open, rolling hills NW of Horse Flats. San Gabriel Mtns. 2042 Comment
  CAS-BOT-BC142126  Cercocarpus betuloides var. betuloides George B. Grant 1901-1-1 158 Los Angeles Pasadena Angoz - Coast Range Comment
  SD112025  Cercocarpus betuloides var. betuloides Linda Allen, Betsy Carpenter 1975-3-20 Los Angeles Santa Catalina Island. Mid-Avalon Canyon-Hour Trail. Comment
  CAS-BOT-BC137238  Cercocarpus betuloides var. blancheae Lester Rowntree 1938-3-17 s.n. Los Angeles Catalina Isl. Comment
  CAS-BOT-BC137245  Cercocarpus betuloides var. blancheae H. E. McMinn 1924-7-25 1324 Los Angeles Catalina Island Comment
  SBBG78166  Cercocarpus betuloides var. blancheae F. R. Fosberg 1931-4-6 4798 Los Angeles Cape Cyn Comment
  UCR258785  Chaenactis artemisiifolia R. G. Swinney 2010-5-25 12968 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
  UCR259935  Chaenactis artemisiifolia R. G. Swinney 2010-4-28 12426 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  POM351645  Chaenactis artemisiifolia Samuel R. Tyson 1942-6-18 s.n. Los Angeles San Dimas Canyon. 1463 Comment
  RSA660827  Chaenactis artemisiifolia LeRoy Gross 2001-5-6 380 Los Angeles Verdugo Mountains Region: Along trail that comes up from Morning Glow Way off of La Tuna Canyon Rd. city of Sun Valley Comment
  UCR110894  Chaenactis fremontii A. C. Sanders, D. Malueg, K. D. Jones 1998-6-22 21995 Los Angeles San Gabriel Mtns., Soledad Pass area at the N foot of the mtns, c. 5 miles SW of Palmdale, along SCE Mesa-Vincent power line at pole 18-03, just south of Vincent Substation 1000 Comment
  UCSB18711  Chaenactis fremontii Hurst, Linda 1963-5-3 Los Angeles Mint Canyon Park, U.S. Highway 6, 7.7 miles from Solemint 503 Comment
  UCR270514  Chaenactis glabriuscula R. G. Swinney 2010-4-13 12192 A Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  CAS-BOT-BC277358  Chaenactis glabriuscula var. glabriuscula Timothy S. Ross; Victor W Steinmann 1995-5-8 8555 Los Angeles Liebre Mountains. Slopes between Leona Valley and Lost Valley 1182 Comment
  RSA655799  Chaenactis glabriuscula var. glabriuscula James Henrickson 2000-4-15 20702 Los Angeles Ca. 1 mile SE of Newhall in Whitney Canyon SE of junction of San Fernando Road and State Highway 14. 457 Comment
  UCD130377  Chaenactis glabriuscula var. glabriuscula Daryl Koutnik 1978-4-28 449 Los Angeles Lobo Canyon at end of Lobo Road. 304 Comment
  UCR119056  Chaenactis glabriuscula var. orcuttiana Jeremiah George 2001-5-13 s.n. Los Angeles South Coastal Plains Region, Manhattan Beach, NW corner of town near El Segundo, corner of Highland and El Porto St. 3 Comment
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Aug 15 2016
  RSA0025173  Chaenactis santolinoides Jane Tirrell 2012-6-27 LS 0085 Los Angeles North-facing slope of small open crest above Pacific Crest Trail, approximately 0.6 miles east of Windy Gap. 2517 Comment
  RSA49617  Chaenactis santolinoides A. D. E. Elmer 1902-06 3802 Los Angeles Acton, Mt. Gleason. Comment
  RSA598079  Chaenactis santolinoides Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3774 Los Angeles Ridgetop to the W of Crystal Lake (ridge descending SSW from Mt. Islip) 1884 Comment
  UC31033  Chaenactis santolinoides A. J. McClatchie 1896-5-25 Los Angeles Wilson's Peak Comment
  UCR192190  Chaenactis xantiana A. C. Sanders 2008-4-17 34952 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
  UCSB28036  Chaenactis xantiana Blakley, E. 1958-5-9 Los Angeles Hills 2 miles east of Gorman 1097 Comment
  RSA250633  Chamaesyce albomarginata R. F. Thorne 1971-3-31 41444 Los Angeles Johnson's Pasture, N on Mountain Ave., Claremont. 549 Comment
  RSA432396  Chamaesyce melanadenia H. E. Hasse 1890-4-27 s.n. Los Angeles Los Angeles Range. Comment
  SBBG130720  Chamaesyce serpyllifolia S. A. Junak 2000-7-1 SCa 1366 Los Angeles LA County Interpretive Center, Avalon 73 Comment
  RSA482388  Cheilanthes covillei Richard Noyes 1987-10-17 454 Los Angeles San Gabriel Mountains. San Antonio Canyon. One-half mile north of Mt. Baldy road tunnels along gated road leading to power station. 1037 Comment
  RSA596376  Cheilanthes covillei T. S. Ross, Steve Boyd 1995-6-28 8627 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 707 Comment
  UC1874981  Cheilanthes covillei Ruth Kirkpatrick 2001-7-30 1080 Los Angeles San Gabriel Mountains at Red Box Picnic Area on Angeles Crest Hwy (Hwy 2), Angeles National Forest Red Box Station. Angeles Crest Hwy and Mount Wilson/Red Box 1432 Comment
  RSA85547  Cheilanthes covillei F. W. Peirson 1921-5-3 2404 Los Angeles Bear Canyon Ridge west of Mt. Lowe 1219 Comment
  UCR255795  Chenopodium berlandieri R. G. Swinney 2010-4-20 12306 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  UCR199984  Chenopodium botrys Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1364 Los Angeles Transverse Ranges; Verdugo Mountains, Intersection of North Beaudry Motorway and Deer Creek 518 Comment
  UC519951  Chenopodium botrys Louis C. Wheeler 1933-7-7 1924 Los Angeles Lexington Wash 73 Comment
  RSA599485  Chenopodium californicum Steve Boyd, Lauren Raz 1997-3-26 9349 Los Angeles Liebre Mountains region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 976 Comment
  UCR138993  Chenopodium californicum L. C. Wheeler 1974-4-14 s.n. Los Angeles San Gabriel Mtns., Wildwood Ranch, Shuler Canyon 412 Comment
  UCR68927  Chenopodium californicum Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4266 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  SEINET4076054  Chenopodium murale M. B. Dunkle 1939-1 7222 Los Angeles Chenetti stream gorge, San Clemente Island. Comment
  CAS-BOT-BC498795  Chlorogalum parviflorum Louis C. Wheeler 1934-5-14 2583 Los Angeles 1 mi. NE Puddingstone Dam, San Jose Hills 350 Comment
  UCR280764  Chlorogalum pomeridianum var. pomeridianum R. G. Swinney 2014-5-19 16557 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
  SBBG44382  Chorizanthe brevicornu var. brevicornu G. Sphon, D. Hearn 1950-5-10 25 Los Angeles Black Butte Comment
  RSA0085098  Chorizanthe coriacea R. G. Swinney 2010-4-23 12377 Los Angeles East end of Hansen Dam Basin, on N side of Big Tujunga Wash channel, 0.1-0.5 miles E of Orcas Park. 314 Comment
  SD241137  Chorizanthe parryi var. fernandina Mark A. Elvin 2003-6-30 2961 Los Angeles Western Transverse Range; Santa Clarita Valley Area: Newhall Ranch, west side of Grapevine Mesa 4 km SW (216a^z) of intersection of I-5 Fwy and Hwy 126 (Val Verde 7.5'Q) 366 Comment
  UCR108209  Chorizanthe spinosa Steve Boyd, Kent Hughes 1998-5-5 10182 Los Angeles West Mojave Desert, Antelope Valley, along Hwy 138 (West Ave. D), west of the junction with Hwy 14, at intersection with 140th Street, c. 4 mi. SW of Rosamond Dry Lake 701 Comment
  UCR232383  Chorizanthe spinosa Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-20 8023 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, 45 m west of Sierra Highway and 125 m south of Avenue F 703 Comment
  UCR166668  Chorizanthe staticoides Scott D. White, Jennifer H. Jones 2005-6-23 11149 Los Angeles San Gabriel Mtns, Acton area. South of Powerline access road (ANF 4N32), between Arrastre Canyon and Moody Canyon 1098 Comment
  SEINET10854223 Image available Chrysanthemum coronarium Heidi H. Schmidt, M. R. Weed 1999-10-12 Schmidt 3793 Los Angeles City of Santa Monica. Yaohan: 3760 Centinela Avenue: Santa Monica, CA: 90066: (310) 398-2113 - phone. 20 Comment
  RSA476626  Chrysolepis sempervirens Fred Burlew 1916-1 s.n. Los Angeles Mt. San Antonio Comment
  POM6124  Cirsium occidentale var. californicum M. Hitchcock 1918-5-30 s.n. Los Angeles Indian Hill, Claremont Comment
  RSA0070683  Cirsium occidentale var. californicum Timothy S. Ross, Peter W. Fritsch 1990-6-20 3676 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon. 1256 Comment
  CAS-BOT-BC285594  Cirsium occidentale var. occidentale John Thomas Howell 1931-5-29 6556 Los Angeles Westwood Hills, Santa Monica Mts. Comment
  UC1211148  Cirsium occidentale var. occidentale Huron H. Smith 1912-5-26 5004 Los Angeles Avalon Canyon Santa Catalina Island, Avalon Canyon 30 Comment
  CDA7424  Cirsium vulgare L. C. Wheeler 1973-7-15 s.n. Los Angeles San Gabriel Mtns: Graveyard Canyon, second side canyon. 0 Comment
  UCR223706  Cirsium vulgare R. G. Swinney 2009-6-12 11118 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  IRVC28689  Cirsium vulgare A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25476 Los Angeles Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals NE end of Santa Susana Mtns. 335 Comment
  RSA547811  Cirsium vulgare Timothy S. Ross, Peter W. Fritsch 1990-6-20 3613 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
  UCR238094  Clarkia affinis Mark A. Elvin, Cathleen Weigand 2003-5-22 2890 Los Angeles Western Transverse Range; Santa Susana Mtns., crest of mountains at head of Salt Canyon, Newhall Ranch 915 Comment
  LA45528  Clarkia bottae J. Fisher; 1940-4-4 sn Los Angeles Santa Monica Mountains, Franklin Canyon Comment
  SFV15491  Clarkia bottae E. J. Spencer 1992-5-14 6 Los Angeles Santa Monica Mountains Topanga Canyon Road, 1.2 miles south of Muholland Drive. 366 Comment
  UC1143191  Clarkia cylindrica subsp. cylindrica H. Lewis and M. Lewis 1947-5-7 212 Los Angeles 0.4 mi n Latigo Canyon Road (Decker Road); Santa Monica Mts. Comment
  CAS-BOT-BC172105  Clarkia dudleyana Robert F. Thorne; M. Z. Thorne 1967-6-25 37120 Los Angeles Evey Canyon, San Gabriel Mts. 716 Comment
  POM3116  Clarkia dudleyana C. F. Baker 1903-8-2 3665 Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  RSA545315  Clarkia dudleyana Tim S. Ross 1992-5-17 6345 Los Angeles San Gabriel Mountains; near elbow of the E fork of the San Gabriel River. 260m W of the mouth of Cattle Canyon 576 Comment
  RSA609076  Clarkia dudleyana Louis C. Wheeler 1932-5-28 781 Los Angeles San Antonio Canyon, E side SE Hogback. 1280 Comment
  UCSB49165  Clarkia dudleyana Lestak, Leanne 1978-5-19 Los Angeles California 65 north to Famoso-Woody Rd, then east to Bakersfield-Glennville Rd, make a left and travel east about 51/2 miles; On right side of road 487 Comment
  LA82403  Clarkia epilobioides O. H. Kappler; 1944-5-21 674 Los Angeles SANTA MONICA MOUNTAINS, Cold Creek, Monte Nido. 213 Comment
  SBBG60315  Clarkia purpurea subsp. purpurea R. Hoffmann 1927-6-14 Los Angeles Elizabeth Lake Comment
  CATA727  Clarkia purpurea subsp. quadrivulnera Mark L. Hoefs 1991-5-18 1238 Los Angeles Santa Catalina Island: Upper Middle Ranch Canyon 329 Comment
  JEPS57331  Clarkia unguiculata L. R. Heckard 1968-5-11 1844 Los Angeles 1.3 mi below Newhall junction (along Highway 6, se of Newhall) 518 Comment
  RSA448583  Clarkia unguiculata Fay A. MacFadden 1931-3-28 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  RSA674733  Clarkia unguiculata Scott D. White, Pam DeVries 2000-5-18 7912 Los Angeles San Gabriel Mts: Southern foothills above Irwindale. Fish Creek cyn, from the mouth of the Canyon at CalMat quarry upstream to falls. 305 Comment
  SD125706  Clarkia unguiculata K. Harper 1986-5-17 Los Angeles San Gabriel Mountains, Little Tujunga to Sand Canyon Road in the vicinity of Mendenhall Peak. Comment
  UCSB30566  Clarkia unguiculata Patterson, R. 1976-5-21 Los Angeles End of San Martinez Canyon Road, near the Los Angeles/Ventura county line 1500 Comment
  UCR95314  Clarkia xantiana subsp. xantiana T. S. Ross, Steve Boyd 1995-6-28 8656 Los Angeles Liebre Mtns., Cold Canyon, SW end of Liebre Mtn., trail from U.S. Forest Service Road 7N23 NNE to an abandoned mine. 1293 Comment
  RSA784350  Claytonia exigua Anna Kostikova, Glenn Litsios, Sarah Burgy 2010-6-16 13 Los Angeles road 7N23 turn from road 7N08 Comment
  SD101080  Claytonia parviflora subsp. viridis John M. Miller 1977-3-28 622 Los Angeles San Gabriel Mountains; Big Tujunga Canyon, 2.6 mi. NW of Big Tujunga Rd. on Angeles Forest Hwy. (just before the bridge over B. Tujunga Canyon) Comment
  RSA748742  Claytonia perfoliata R. G. Swinney 2008-3-31 8586 Los Angeles Glendora Mountain summit 1003 Comment
  SFV1193  Claytonia perfoliata K. A. Wilson 1961-3-10 956 Los Angeles Santa Monica Mountains Old Topanga Canyon Road, about 0.25 miles west of Topanga Canyon Blvd. 245 Comment
  UC1922375  Claytonia perfoliata Gary Kovnat with LeRoy Gross 2003-2-16 24 Los Angeles Transverse Ranges; San Gabriel Mountains region: Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow. Comment
  UCR270540  Claytonia perfoliata R. G. Swinney 2011-3-22 14185 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  UCR4121  Claytonia perfoliata Ronald M. Cope 1965-3-27 s.n. Los Angeles San Gabriel Mtns., road from Devil's Canyon Wild Area to Azusa, 8-12 mi north of where the road crosses the west fork of the San Gabriel River 762 Comment
  RSA65721  Claytonia perfoliata subsp. intermontana F. W. Peirson 1920-5-1 4685 Los Angeles Eaton Canyon, 0.25 mile above Idle Hour Camp. Comment
  RSA466689  Claytonia perfoliata subsp. mexicana F. H. Elmore 418 Los Angeles San Clemente Island. Comment
  RSA527827  Claytonia perfoliata subsp. mexicana Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5286 Los Angeles San Clemente Island. Near-Death Canyon (draining to Mosquito Cove) at ca 960 ft. in the N fork. 293 Comment
  SFV22034  Claytonia perfoliata subsp. perfoliata V. Soza, L. Gross, B. Hogshead 2001-4-18 1152 Los Angeles Verdugo Mountains Verdugo Mountains. Ridgetop above McDonald Creek. North-northwest-facing upper slope of ridgetop. 412 Comment
  RSA0107272  Claytonia perfoliata subsp. perfoliata Steven A. Junak, Mark Hoefs, Keri Kirkland 1998-6-11 SCa- 707 Los Angeles Santa Catalina Island. NE side of island, at mouth of small canyon just SE of Frog Rock. 3 Comment
  SDSU18814  Claytonia perfoliata var. perfoliata S. H. Bullock 1968-3-23 6 Los Angeles Claremont, Blanchard Park, Mills Ave. between 1st and 6th Streets. 351 Comment
  RSA729926  Claytonia rubra subsp. rubra R. G. Swinney, Dave Larson 1998-4-26 6035 Los Angeles Browns Flat, San Dimas Experimental Forest 1317 Comment
  RSA778877  Claytonia rubra subsp. rubra Orlando Mistretta, Christine Mistretta 2010-6-1 5222 Los Angeles Transverse Ranges; San Gabriel Mountains region: Mill Creek Canyon; along Southern California Edison transmission line corridor; approx. 1.0 air miles S of Mill Creek summit, near spur road to Falcon Mine. 1280 Comment
  CAS-BOT-BC91381  Clematis lasiantha Geo. B. Grant 1901-1-1 194 Los Angeles Mount Lowe. Comment
  UCR146514  Clematis lasiantha Scott D. White, Michael Honer 2004-6-30 10543 Los Angeles San Gabriel Mountains, Mt. Baldy (town); along Glendora Ridge Rd. c. 0.25 mi SW of jct. with Mt. Baldy Rd. 1372 Comment
  RSA762292  Clematis lasiantha Orlando Mistretta, Christine Mistretta 2008-5-5 2654 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon. 627 Comment
  UCR146693  Clematis ligusticifolia Scott D. White 2004-8-20 10739 Los Angeles San Gabriel Mtns, Upper Big Tujunga Canyon: south of Upper Big Tujunga Canyon. Road, c. 4 air mi NW of the junction with Angeles Crest Hwy 1159 Comment
  UCR261780  Clematis ligusticifolia R. G. Swinney 2010-9-13 13819 Los Angeles San Gabriel Mountains, c. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek 1244 Comment
  RSA440831  Cleome isomeris F. R. Fosberg 1931-12-10 7148 Los Angeles Avalon, Public Utilities Canyon. Santa Catalina Island. 50 Comment
  RSA440832  Cleome isomeris F. R. Fosberg 1931-4-15 S- 4626 Los Angeles Santa Catalina Island. Eagle's Nest, Middle Ranch Canyon. 180 Comment
  RSA440800  Cleome isomeris E. A. Purer 1931-4-28 s.n. Los Angeles Palos Verdes Hills. Comment
  RSA439944  Cleome lutea A. J. Merrit 1894-05 s.n. Los Angeles Los Angeles, near Downey. Comment
  UCR194004  Collinsia childii R. G. Swinney 1998-8-17 6767 Los Angeles San Gabriel Mtns., upper Coldwater Canyon at NE end of Heaton Flat Trail 1372 Comment
  POM4321  Collinsia heterophylla I. M. Johnston 1917-5-6 s.n. Los Angeles Evey Canyon, north of Claremont 762 Comment
  POM4328  Collinsia heterophylla Marie Tammen 1905-5-11 7924 Los Angeles Claremont. 366 Comment
  POM99057  Collinsia heterophylla Marcus E. Jones 1927-5-7 s.n. Los Angeles Mountains above Claremont. Comment
  RSA491788  Collinsia heterophylla James L. Reveal 1988-5-17 6787 Los Angeles Along the Bouquet Canyon Road just east of Bouquet Reservoir, 0.1 mile east of the junction of Green Valley (or Spunky Canyon) Road and 6.3 miles south-westof Elizabeth Lake Road (Couty Road N2) in Leona Valley., 3 miles west of San Franciscito Road at the Angeles National Forest boundary. 945 Comment
  RSA80170  Collinsia heterophylla F. W. Peirson 1921-6-21 4492 Los Angeles west fork of San Gabriel River 762 Comment
  POM184518  Collinsia parryi Thomas Craig 1927-6-8 400 Los Angeles In Bear Canyon Trail to Mt. San Antonio Comment
  UCR179620  Colutea arborescens R. G. Swinney 1991-1 1597 Los Angeles San Gabriel Mountains, Glendora, Big Dalton Canyon Debris Basin 335 Comment
  CAS-BOT-BC59724  Comarostaphylis diversifolia subsp. planifolia Brandegee 1889-1-1 12 Los Angeles Santa Catalina Island. Comment
  SBBG93454  Constancea nevinii J. C. Nevin -- Los Angeles San Clemente Island Comment
  RSA0042773  Convolvulus aridus Harold L. Pirie 1963-4-6 s.n. Los Angeles Along Mulholland Drive in the Santa Monica Mts. 1 mile west of Temescal Fire Rd. 304 Comment
  SBBG78866  Convolvulus arvensis F. R. Fosberg 1931-5-2 4745 Los Angeles Middle Ranch Dam, Middle Ranch Cyn 200 Comment
  POM308949  Conyza bonariensis Kay H. Beach 1943-7-3 659 Los Angeles San Dimas Experimental forest. San Gabriel Mt. Range. Comment
  LA32103  Conyza canadensis Peter H. Raven; 1959-9-18 14448 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  POM155785  Conyza canadensis M. B. Dunkle 1928-10-7 2002 Los Angeles Middle Ranch Canyon 168 Comment
  RSA5980  Conyza canadensis C. B. Wolf 1932-9-13 4053 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
  RSA0033683  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Sarah Fisher, Carrie Kiel 2013-7-23 5435 Los Angeles Sheep Mountain Wilderness; Vincent Gulch, near head of canyon. 1994 Comment
  POM355967  Coreopsis bigelovii Norman C. Cooper 1945-5-1 2129 Los Angeles Tapia Park area, Santa Monica Mts 610 Comment
  RSA680112  Coreopsis bigelovii LeRoy Gross, Michael Denslow 2003-6-4 992 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southeast of Dawson Saddle, south side of Angeles Crest Highway (Hwy. 2) 2439 Comment
  RSA92470  Coreopsis californica F. W. Peirson 1932-4-17 9850 Los Angeles Below Lovejoy Dam, Lovejoy Buttes, southwestern Mojave Desert. 762 Comment
  UC53937  Coreopsis californica var. californica Ernest Braunton 1902-3-1 160 Los Angeles Eagle Rock Valley Comment
  UCR13458  Coreopsis gigantea O. F. Clarke, B. T. Gittins, D. Kucera & So. Cal. Botanists Fld. Trip 1968-2-25 s.n. Los Angeles Channel Islands, Santa Catalina Island, within 0.5 mile of the U.S.C. Marine Sciences Station at the isthmus on the N end of the island 213 Comment
  RSA232206  Coreopsis gigantea James Henrickson 1969-4-10 4210 Los Angeles 8 miles W of Malibu along Sandstone cliff E of Pacific Coast Hwy at Zuma Beach. 3 Comment
  CAS-BOT-BC105677  Corethrogyne filaginifolia F. Grinnell 1917-8-28 s.n. Los Angeles Above Chiles, San Gabriel Mountains Comment
  CAS-BOT-BC105681  Corethrogyne filaginifolia Philip A. Munz 1947-9-18 12135 Los Angeles Mint Canyon Public Camp, northeast of Saugus 762 Comment
  CAS-BOT-BC105687  Corethrogyne filaginifolia Timothy S. Ross; Steve Boyd 1994-9-20 8250 Los Angeles Upper Bouquet Canyon, ca 2225 m WCW of Lincol Vrest (the canyon head), and ca 2825 m E of Bouquet Reservoir, 993 Comment
  CAS-BOT-BC105693  Corethrogyne filaginifolia Louis Wheeler 1932-9-24 1403 Los Angeles 2 mi. NE La Verne 373 Comment
  RSA127866  Corethrogyne filaginifolia Peter H. Raven, H. J. Thompson 1958-10-11 13755 Los Angeles Saddle Peak, Santa Monica Mountains. 823 Comment
  UCR260361  Corethrogyne filaginifolia R. G. Swinney 2010-4-30 12447 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
  RSA608441  Corethrogyne filaginifolia var. filaginifolia L. C. Wheeler 1932-10-7 1426 Los Angeles Eagle Rock. 228 Comment
  POM243791  Cornus glabrata F. R. Fosberg 1931-4-24 4679 Los Angeles Hamilton Canyon, Santa Catalina Island. 60 Comment
  CAS-BOT-BC212112  Cornus sericea Dr. H. E. Hasse 1890-8-1 s.n. Los Angeles Swampy flats near Ballona Comment
  RSA725847  Cornus sericea subsp. sericea R. G. Swinney 1997-6-25 5645 Los Angeles San Gabriel Mtns.: wet of rightwood, Blue Ridge Trail, ca. 1.2 mi SE of Hwy 2 in a small canyon tributry to Sawmill Canyon 2256 Comment
  RSA616147  Cotula australis Valerie L. Soza 1998-5-3 99 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, along southern edge of pHake Lake. 411 Comment
  HSC24487  Cotula coronopifolia Arthur C. Gibson, Linda C. Gibson 1972-3-4 2776 Los Angeles Zuma Beach, near Point Dume Comment
  RSA678393  Crassula connata Valerie L. Soza, LeRoy Gross 2002-4-3 1376 Los Angeles West side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. 518 Comment
  SBBG13486  Crocanthemum greenei E. R. Blakley 1962-10-5 5433 Los Angeles jct of White's Landing and Airport Rd, NE side of Black Jack Mtn 365 Comment
  OBI69268  Crocanthemum scoparium John Knapp, Denise Knapp 2003-4-13 25 Los Angeles Catalina Island. 3695769.992N x 370288.942E 104 Comment
  SD38391  Crocanthemum scoparium var. vulgare Edith A. Purer 1931-3-11 2630 Los Angeles Griffith Park Comment
  RSA639266  Crossosoma californicum R. F. Thorne 1971-5-18 41359 Los Angeles Santa Catalina Island: Cape Canyon. 274 Comment
  SBBG18717  Crossosoma californicum E. R. Blakley 1963-4-8 5557 Los Angeles ridge S of Avalon Valley above Avalon Terrace Comment
  UC173640  Crossosoma californicum Katharine Brandegee May 1890 Los Angeles Santa Catalina Island Comment
  LA33482  Croton californicus Henry J. Thompson; 1959-10-23 1816 Los Angeles Santa Monica Mountains, Point Dume, on coastal bluff 15 Comment
  SFV2074  Croton californicus R. L. Armacost May 1934 s. n. Los Angeles Playa del Rey. Hills east of Loyola University. 45 Comment
  UCR41727  Croton californicus G. R. Ballmer, G. F. Pratt 1986-3-25 s.n. Los Angeles Southern Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 Comment
  UCR255496  Croton setiger Dan S. Cooper 2014-6-26 614- 43 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, along north side of Forest Lawn Rd. across from cemetery 152 Comment
  UCR242037  Cryptantha Dan S. Cooper 2012-4-30 412- 5 Los Angeles Santa Monica Mountains, Topanga, west end of Robinson Road/ Kim Trail, off North Topanga Canyon Blvd/Hwy 27 281 Comment
  UCR205229  Cryptantha circumscissa R. G. Swinney 2008-5-2 8720 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  RSA802443  Cryptantha clokeyi Orlando Mistretta, Youssef Atallah 2011-8-12 6021 Los Angeles Aliso Cyn, 1.8 miles West of Jct. of Aliso Cyn Road and Angeles Forest Hwy 1083 Comment
  UCR177536  Cryptantha decipiens LeRoy Gross 2005-4-28 2150 Los Angeles San Gabriel Mountains, Ridgeline to Mt. Emma and canyon south of this ridge. W from Mt. Emma (NW trending ridge, lower part of ridgeline starts to turn SW) east of Mt. Emma Rd 1413 Comment
  UC174987  Cryptantha dumetorum Katharine Brandegee Los Angeles Lancaster Comment
  PASA1981  Cryptantha intermedia Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  UC56862  Cryptantha intermedia W. A. Setchell 1901-3-13 Los Angeles Elysian Park Comment
  UCR155624  Cryptantha intermedia A. C. Sanders, T. B. Salvato 2005-4-26 29700 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
  UCR165417  Cryptantha intermedia A. C. Sanders, Helen Kennedy 2005-4-13 29491 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyons 457 Comment
  RSA238235  Cryptantha micrantha R. F. Thorne 1969-7-2 38289 Los Angeles Angeles National Forest: near Chilao Creek, Upper Chilao Campground 1616 Comment
  RSA605432  Cryptantha micrantha L. C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon, depression on bench NE of Campground 1433 Comment
  RSA712187  Cryptantha micrantha var. lepida A. C. Sanders, Mark Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26195 Los Angeles Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment
  RSA0013202  Cryptantha microstachys Orlando Mistretta, Christine Mistretta 2011-7-13 5932 Los Angeles Big Tujunga Cyn. Along Angeles Forest Hwy, 1.0 miles W of junction With Big Tujunga Cyn Road. 793 Comment
  UCR126545  Cryptantha microstachys 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
  POM64235  Cryptantha microstachys C. F. Baker 1904-4-24 4780 Los Angeles [Unspecified] Comment
  IRVC26363  Cryptantha muricata A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26051 Los Angeles Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park NE end of Santa Susana Mtns. 366 Comment
  UCR51472  Cryptantha muricata Lyman Benson 1945-6-5 11768 Los Angeles San Gabriel Mtns, Cold Spring, 0.4 mi SW of Camp Baldy on the Glendora Road 1372 Comment
  OBI60240  Cryptantha muricata Suzan Barth, Steven Korenstein 1994-5-18 21 Los Angeles Towsley Cyn Ed Davis Park 250 m from upper trl head 340 Comment
  RSA0079555  Cryptantha muricata var. muricata Timothy S. Ross, Steve Boyd 1994-5-25 7941 Los Angeles Necktie Basin: Hanging basin ca 470-830 m W of Warm Springs Mtn summit. These collections from 600-800 m WSW of summit. Liebre Mountains. Head of Necktie Canyon. 1060 Comment
  RSA0078915  Cryptantha muricata var. muricata R. Aguayo 1992-5-22 9 Los Angeles 13.5 miles north of Interstate 210 in Azusa on State Hwy. 39 to gated road along West Fork. San Gabriel River 1.1 miles west of gate, roadside. 883 Comment
  RSA0010525  Cryptantha nevadensis var. rigida LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6798 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA771581  Cryptantha nevadensis var. rigida R. G. Swinney 2009-5-6 10662 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  UCR186944  Cryptantha nevadensis var. rigida A. C. Sanders 2006-4-10 31996 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1006 Comment
  RSA0113684  Cryptantha oxygona LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7543 Los Angeles Arrastre Canyon. Started near mouth of canyon, near 34.44397N 118.20032W. Ended on top of a small knoll, near 34.43011N 118.18667W. 804 Comment
  RSA755934  Cryptantha oxygona Orlando Mistretta, Christine Mistretta 2008-4-9 2404 Los Angeles Ritter Ridge, SW of Lancaster. Along SCE Edison transmission lines, 0.5 mi. NW of intersection of transmission lines with Elizabeth Lake Rd. (Segment 5, structure 28 per TRTP survey - 2008) 953 Comment
  RSA756957  Cryptantha oxygona Orlando Mistretta, Christine Mistretta 2008-4-14 2454 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 18 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1240 Comment
  RSA0079046  Cryptantha pterocarya var. pterocarya L. C. Wheeler 1968-5-27 s.n. Los Angeles San Gabriel Mountains: Alimony Ridge. 1494 Comment
  POM11632  Cryptantha similis George B. Grant 1906-6-15 6691 Los Angeles Summit of Mt. Wilson 1829 Comment
  RSA0019770  Cryptantha simulans Orlando Mistretta, Christine Mistretta 2011-6-23 5752 Los Angeles Vicinity of Mt. Gleason. Former Los Angeles County Fire Camp 1.3 air miles E of Mt. Gleason summit. Area burned in Station Fire (2009). 1680 Comment
  UCR126347  Cucurbita foetidissima A. C. Sanders 2003-8-6 27118 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters 335 Comment
  UCR143927  Cucurbita foetidissima A. C. Sanders, Lee Jones 2004-11-7 29029 Los Angeles San Fernando Valley, site called Lookout Gates on topo, 1 mile NE of Chatsworth at foot of Santa Susana Mtns., 5 acre estate proposed for conversion to private high school (Sierra Canyon H.S.), west of the north end of Lurline Ave, N of Nashville St., just south of 118 Fwy 351 Comment
  LA212024  Cuscuta Duncan Bell; Caitlin Elam, Evan Meyer 2013-6-13 5138 Los Angeles SAN GABRIEL MOUNTAINS, Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898.0 Comment
  LA210101  Cuscuta californica C. & M. Epling; 1925-5-18 sn Los Angeles Santa Monica Mountains, Griffith Park Comment
  CHSC95477  Cuscuta pentagona LeRoy Gross; Wayne Law 2000-8-8 253 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
  UCR209454  Cuscuta subinclusa R. G. Swinney 2008-10-10 9557 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  RSA529078  Cyclospermum leptophyllum T. S. Ross, Annette Ross 1991-8-4 5742 Los Angeles Pomona: Prostrate, inconspicuous weed in a lawn at California State Polytechnic University. Comment
  CATA104  Cynodon dactylon Peter Henrikson 1987-4-23 77 Los Angeles Santa Catalina Island: Behind Ben Weston Beach 6 Comment
  RSA682471  Cynodon dactylon R. E. Riefner 2003-8-17 3 -339 Los Angeles City of Long Beach, vicinity of Veterans Stadium, Conant St. near intersection with Faculty Ave. 19 Comment
  RSA714063  Cynodon dactylon G. Ocampo 2006-3-19 1673 Los Angeles Parque ubicado en Claremont Blvd., entre Arrow Route y First St., lado W de la calle. Claremont. Comment
  UCD60019  Cynodon dactylon Peter H. Raven; Henry J. Thompson 1959-9-18 14442 Los Angeles Plants of the Santa Monica Mountains. West Los Angeles, Santa Monica Boulevard near Beverly Glen Boulevard. 76 Comment
  UCR101177  Cyperus difformis L. C. Wheeler 1967-9-18 s.n. Los Angeles Los Angeles Basin, Los Angeles River at Los Feliz Blvd. 122 Comment
  POM273748  Cyperus eragrostis Lyman Benson 1947-10-13 12845 Los Angeles Morris Dam, San Gabriel Canyon above Azusa; Pacific Slope Drainage Area 305 Comment
  SBBG131510  Cyperus eragrostis S. A. Junak 1999-7-17 SCa 1068 Los Angeles W end of "Rig Field", plant stop 213 Comment
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Jul 28 2016
  RSA365138  Cyperus laevigatus Anstruther Davidson 1891-10 s.n. Los Angeles River. Comment
  RSA365114  Cyperus odoratus B. C. Templeton 1934-10-13 4800 Los Angeles Los Angeles River Comment
  RSA365140  Cyperus rotundus Anstruther Davidson 1908-05 1791 Los Angeles Hollywood. Comment
  UCR79374  Cystopteris fragilis Steve Boyd, W. Appleby 1993-4-22 7989 Los Angeles Western San Gabriel Mtns., north of Sylmar & south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Near Los Pinetos Spring, at the head of Los Pinetos Canyon 976 Comment
  RSA0106595  Cystopteris fragilis Orlando Mistretta, Christine Mistretta 2008-5-16 3105 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 109 per TRTP Survey 2008), Upper Fish Canyon. 1001 Comment
  RSA623788  Dactylis glomerata Kathleen J. Wilder 1991-5-11 77 Los Angeles Mt. Fiji on Occidental campus near rugby field 244 Comment
  SBBG19141  Dactylis glomerata M. A. Piehl 1963-12-8 631100 Los Angeles W border of loading area at airfield 51 Comment
  UCR182853  Dactylis glomerata R. G. Swinney 1997-8-6 5766 Los Angeles San Gabriel Mtns, along Big Pines Hwy, c. 0.5 mi. west of Hwy 2 junction, east of Jackson Lake 2024 Comment
  RSA229000  Datisca glomerata R. F. Thorne, C. W. Tilforth 1971-6-30 40831 Los Angeles San Gabriel Mts., Angeles National Forest: S fork of Little Rock Creek 3.3 miles below Alder Saddle 1432 Comment
  RSA674841  Datisca glomerata Scott D. White, Kent Hughes 2000-5-16 7833 Los Angeles San Gabriel Mountains: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  UCR190613  Datisca glomerata R. G. Swinney 2000-6-25 7797 Los Angeles San Gabriel Mtns., west tributary of San Antonio Canyon, between Evey and Spruce canyons 939 Comment
  UCR202530  Datisca glomerata R. G. Swinney 2005-8-15 8477 Los Angeles Eastern San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Punchbowl Canyon 1341 Comment
  UCR23608  Datisca glomerata John C. Roos 1942-6-6 986 Los Angeles Western Transverse Range, Placerita Canyon near Newhall 610 Comment
  CDA36677  Datisca glomerata G. C. Fleischman 1943-8-8 Los Angeles Highway San Gabriel Mountains to Palmdale. 0 Comment
  RSA271750  Datisca glomerata J. Sauer 1975-7-10 5707 Los Angeles Sequit basin, Santa Monica Mts. 335 Comment
  RSA0031689  Datura meteloides M. J. Schoenfeld 1967-8-21 6 Los Angeles Glendale Foothills. 213 Comment
  RSA421920  Datura stramonium F. R. Fosberg 1930-7-3 S- 3034 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  SBBG59573  Daucus carota R. Hoffmann 1927-8-31 Los Angeles E end of Bouquet Cyn Comment
  LA51814  Daucus pusillus Francis M. Ball; May 1948 sn Los Angeles Santa Monica Mountains, 1 mi W of tunnel on Sepulveda Blvd 304 Comment
  UC1400360  Daucus pusillus Robert F. Thorne 1973-4-11 42862 Los Angeles middle portion Norton Canyon (San Clemente Isl.); San Clemente Isl. 274 Comment
  SD66869  Deinandra clementina R. Mitchel Beauchamp 1967-3-18 309 Los Angeles San Clemente Island; In field west of Wilson Cove. Comment
  JEPS12565  Deinandra fasciculata Frank W. Peirson 1918-6-28 236 Los Angeles e of Rubio Canyon; San Gabriel Mountains 609 Comment
  SBBG13785  Deinandra fasciculata M. A. Piehl 1962-10-3 62490 Los Angeles near main rd over N part of Swains Cyn 381 Comment
  UC1922566  Deinandra fasciculata Gary Kovnat with LeRoy Gross 2003-6-28 44 Los Angeles Transverse Ranges; San Gabriel Mountains region: Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow. Comment
  SFV9752  Deinandra minthornii J. W. Dole, G. F. Fisler 1977-10-28 s. n. Los Angeles Santa Susana Mountains Chatsworth. Diamond Bar Ranch. Edge of Simi Freeway among the big rocks. Comment
  UC1536895  Deinandra paniculata Gordon H. True Jr. 1935-5-16 301 Los Angeles Bouquet Canyon 457 Comment
  RSA226241  Delphinium cardinale Gary D. Cromwell, David W. Wheat 1971-7-1 704 Los Angeles Mystic Canyon, San Gabriel Mountains, Angeles National Forest. Two miles NE of Glendora. 396 Comment
  RSA491790  Delphinium parishii James L. Reveal 1988-5-17 6783 Los Angeles Along the Green Valley Road at the mouth of Spunky Creek just north of Bouquet Reservoir, 1.7 mile west off the Bouquet Canyon Road between Palmdale and Saugus. 945 Comment
  RSA746837  Delphinium parishii R. G. Swinney 2008-5-8 8783 Los Angeles West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  UCR222746  Delphinium parishii R. G. Swinney 2009-4-29 10571 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
  SDSU10048  Delphinium parryi D. F. Howe 1947-5-3 1548 Los Angeles Mint Canyon, Mojave Desert. Comment
  RSA0091875  Delphinium parryi subsp. maritimum Steven A. Junak, Ralph N. Philbrick 2001-5-17 SCa- 1521 Los Angeles Santa Catalina Island. E of Little Harbor, just N of Sheep Chute Ridge Road, ca. 0.2 mile from intersection with Little Harbor Road, on S side of Big Springs Canyon. 79 Comment
  RSA400039  Delphinium patens subsp. hepaticoideum L. E. Hoffman 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles National Forest. Comment
  RSA0033838  Delphinium patens subsp. montanum Robert F. Thorne, M. Z. Thorne 1969-7-10 38374 Los Angeles Angeles National Forest: Blue Ridge, Holiday Hill. 2439 Comment
  SBBG125465  Delphinium patens subsp. patens A. Parikh, N. Gale 2010-6-18 3333 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
  SBBG108975  Delphinium variegatum subsp. thornei S. A. Junak 1997-3-13 SCl 769 Los Angeles head of E fork of first cyn E of Mosquito Cyn 350 Comment
  LA94797  Dendromecon rigida Frank Almeda; Kei Nakai 1976-4-5 TCSP 7 76 Los Angeles Santa Monica Mountains, Santa Ynez Canyon 213 Comment
  RSA433216  Dendromecon rigida Anstruther Davidson 1892-5-3 s.n. Los Angeles Devil's Gate, Pasadena. Comment
  SFV6162  Dendromecon rigida T. Gordon 1974-3-23 136 Los Angeles Santa Monica Mountains Along Mulholland Drive. Comment
  SDSU795  Dendromecon rigida D. R. Harvey 1937-3-6 1063 Los Angeles Winnetka Valley, lower end. Comment
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Jun 15 2009
  CATA2979  Descurainia pinnata Peter J. Dixon 2015-2-19 010 Los Angeles Santa Catalina Island: Little Harbor on slope above beach and dune. 50 m North of mean tide line. 6 Comment
  UCR193444  Descurainia pinnata R. G. Swinney 1999-6-18 7278 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  UCD114787  Descurainia sophia O. K. Heddon 1931-3-14 2179 Los Angeles Lancaster. Comment
  CATA1619  Desmazeria rigida Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Lisa Stratton 1998-5-2 2892 Los Angeles Santa Catalina Island: Upper Avalon Canyon, by road above Wrigley Memorial 213 Comment
  RSA433568  Dicentra chrysantha M. B. Dunkle 1933-6-17 3595 Los Angeles San Antonio River Canyon 915 Comment
  SEINET12103092  Dicentra chrysantha M. T. Doutt 1931-1 652 Los Angeles Sierra Madre Mts Comment
  RSA720429  Dicentra ochroleuca H. C. Ackley 1927-05 1953 Los Angeles Mulholland Drive, Los Angeles. Comment
  UC3242  Dichelostemma capitatum Jos. Burtt Davy 1901-3-1 Los Angeles Saugus Comment
  UCR170694  Dichelostemma capitatum Alex R. Van Dam 2004-4-25 036 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive near abandoned Nike Missile Base 518 Comment
  RSA177694  Dichelostemma capitatum subsp. capitatum Robert F. Thorne, Percy C. Everett 1965-5-12 34628 Los Angeles Bulrush Canyon, Santa Catalina Island 244 Comment
  RSA376858  Dichelostemma capitatum subsp. capitatum Thekla Mohr s.n. Los Angeles Los Angeles Comment
  RSA70162  Dichelostemma capitatum subsp. capitatum F. W. Peirson 1923-4-12 3485 Los Angeles Wilson s Cove, San Clemente Island Comment
  UC1871222  Dichondra occidentalis T. S. Ross 1993-4-21 6842 Los Angeles Channel Islands; Santa Catalina Island; Santa Catalina Island: SW part of the island along major E-W ridge between ''Carlos'' and Cactus Peak; 500-1200 ft NNE to NE of ''Quartz'&apos 397 Comment
  RSA603226  Digitaria sanguinalis L. C. Wheeler 1932-9-5 1339 Los Angeles San Antonio Canyon 1066 Comment
  SBBG98606  Diplacus X australis T. Ross 1991-3-9 4205 Los Angeles SE side of ridgetop knoll, head of Oak Cyn Comment
  OBI32771  Diplacus brevipes H. Anderson & Carl Epling, Carl Epling 1930-5-30 s.n. Los Angeles Santa Monica Mts, Mandeville Cyn Comment
  RSA0028696  Diplacus longiflorus J. Bogdanoff-Lord 1989-5-21 22 Los Angeles Angeles National Forest. 3.9 miles NNE of the intersection of Baseline and Mills, Claremont, on west side of Mt. Baldy Road. Comment
  SBBG133428  Dissanthelium californicum E. Englert, E. Howe, E. Mullen, J. D. Griffiths 2010-4-20 SERG 10 -39 Los Angeles SWAT 1 lowest terrace, directly W of MOUT ca. 50 m away from surf, rd 30 m W and Rd 50m N, near 4ft tall pointed rock pile 1 Comment
  RSA461497  Dodecatheon clevelandii Geo. L. Moxley 1914-02 202 Los Angeles Hills NW from Highland Park. Comment
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Nov 12 2009
  CAS-BOT-BC435200  Drosanthemum floribundum G. P. Rixford 1914-5-1 s.n. Los Angeles Avalon, Catalina Island Comment
  POM366516  Drymocallis glandulosa Fordyce Griffiths Jr. 1910-04 s.n. Los Angeles San Rafael Hills, Pasadena. Comment
  POM48758  Drymocallis glandulosa var. viscida Fordyce Griffiths Jr. 1917-7-8 s.n. Los Angeles San Gabriel Mountains, Barley flats. 1707 Comment
  LA200113  Dryopteris arguta Lawrence L. Kiefer; 1966-4-10 1853 Los Angeles SANTA MONICA MOUNTAINS, Brown Canyon, Beverly Glen Blvd., ca. 2 mi above Sunset Blvd, ravine W of road. 243 Comment
  RSA656919  Dryopteris arguta Glen Kinoshita 1996-5-19 36 Los Angeles Found on the Santa Monica Mountains (2.5)? miles south of old Topanga Canyon Road on Razorback Trail, .5 miles west of Monte Vista Drive. Comment
  RSA85045  Dryopteris arguta F. W. Peirson 1919-12-2 1506 Los Angeles West Fork of Rubio Canyon, south base of San Gabriel Mtns 762 Comment
  SD82351  Dryopteris arguta J. Ewan 1930-10-10 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, Hermit Trail Comment
  UCR190049  Dudleya cymosa R. G. Swinney 1998-10-3 7007 Los Angeles San Gabriel Mtns, upper Fish Fork San Gabriel River, c. 1/2 mile east (upstream) from Upper Fish Fork Campground, above 2nd waterfall in tributary from N side of San Antonio Ridge 1991 Comment
  RSA0021415  Dudleya cymosa E. Gooley 1968-5-18 5 Los Angeles San Gabriel Mountains. Big Tujunga Canyon 762 Comment
  RSA628823  Dudleya cymosa subsp. pumila Scott D. White, Dave Bramlet 1998-6-29 6830 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness; 4-mile closed section of Hwy. 39 from ca. 1.6 miles W of jctn. Crystal Lake access road to jct. Hwy 2. 1707 Comment
  UCR213785  Dudleya cymosa subsp. pumila Scott D. White, Justin M. Wood 2009-5-6 12660 Los Angeles San Gabriel Mountains, San Gabriel River - West Fork, large fill slope on the south side of Cogswell Reservoir 915 Comment
  LA200392  Dudleya lanceolata J. A. Ewan; 1930-5-30 2231 Los Angeles 548 Comment
  POM50303  Dudleya lanceolata L. R. Abrams 1901-06 1864 Los Angeles Ballona Harbor, Comment
  UCR178047  Dudleya lanceolata LeRoy Gross, Michael Denslow, B. Hogshead, Sarah Swartzentruber 2003-6-17 1032 Los Angeles Transverse Ranges; Verdugo Mountains, South side of mountains, along road across from Brand Canyon Debris Basin, at mouth of Brand Canyon 262 Comment
  RSA397772  Dudleya lanceolata E. S. Spalding 1923-5-1 s.n. Los Angeles Los Angeles vicinity Comment
  POM217115  Dudleya pulverulenta L. C. Wheeler 1935-4-25 3443 Los Angeles Placerita Canyon. 457 Comment
  RSA534964  Dudleya virens subsp. insularis M. B. Dunkle 1931-4-22 2466 Los Angeles Santa Catalina Island: Little Harbor Comment
  UCR259664  Dysphania ambrosioides R. G. Swinney 2010-8-30 13639 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon bottom, 0.1 miles south of confluence with Winter Creek 537 Comment
  SD80114  Dysphania ambrosioides C. W. Tilforth 1969-7-12 207 Los Angeles Rancho Santa Ana Botanic Garden, Claremont Comment
  SEINET8466417 Image available Echinodorus cordifolius L. C. Wheeler 1949-6-22 6708 Los Angeles Altadena. Devil's Gate Dam.; 321 Comment
  UCR270470  Ehrendorferia chrysantha R. G. Swinney 2011-7-7 15436 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  UCSB421  Ehrharta erecta Haller, John 1950-5-9 Los Angeles UCLA Botanical Garden Comment
  CAS-BOT-BC113039  Eleocharis montevidensis George B. Grant 1901-4-4 3852 Los Angeles Los Angeles, sandy river bottom. Comment
  RSA750834  Eleusine indica R. G. Swinney 2005-8-8 8398 Los Angeles Glendora, Morgan Canyon Debris basin 335 Comment
  SEINET3929181  Eleusine indica Louis C. Wheeler 1946-8-22 6227 Los Angeles North Court of Allen Hancock's Foundation, University of Southern California. 36th Street and University Avenue.; 0 Comment
  UCR182687  Elymus R. G. Swinney 1997-8-6 5774 Los Angeles San Gabriel Mtns, along Big Pines Hwy, c. 0.5 mi. west of Hwy 2 junction, east of Jackson Lake 2024 Comment
  SD240809  Elymus cinereus Dave Silverman, Jeff Jarvis & Colleen Martin 2010-5-19 8003 Los Angeles Antelope Valley, northof Lancaster, along east side of Sierra Highway, 250 m. south of Avenue D. 701 Comment
  RSA771603  Elymus elymoides R. G. Swinney 2009-5-28 10971 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  RSA188520  Elymus elymoides subsp. elymoides R. F. Thorne, John Olmstead 1965-8-26 35378 Los Angeles San Gabriel Mountians: Angeles National Forest, Camp Lupine near Prairie Fork 2012 Comment
  CAS-BOT-BC206766  Elymus glaucus subsp. glaucus A. D. E. Elmer 1902-6-1 3750 Los Angeles Acton Comment
  UCD62335  Elymus glaucus subsp. glaucus Peter Kamb 1948-6-26 1129 Los Angeles South side of Pacoima Canyon near Ant Canyon, San Gabriel Mts. 731 Comment
  UCR138532  Elymus hispidus L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mtns, divide between Oak Spring Canyon and Cottonwood Canyon, off Little Tujunga Canyon 823 Comment
  SD252257  Elymus triticoides Steven A. Junak 2000-7-1 Sca 1373 Los Angeles Santa Catalina Island: Cape Canyon. 264 Comment
  POM3681  Emmenanthe penduliflora W H Spurgeon 80 Los Angeles 0.25 mile N Indian Hill. Claremont. 457 Comment
  SFV15597  Emmenanthe penduliflora K. C. Molina, K. L. Garrett 1992-5-10 2 Los Angeles San Gabriel Mountains 4 km northeast Valyermo Ranger Station at Bob's Gap. Gravel hillside. 1200 Comment
  UC1211102  Emmenanthe penduliflora Huron H. Smith 1912-6-1 5070 Los Angeles Avalon Canyon; Santa Catalina Island 38 Comment
  UC1922641  Emmenanthe penduliflora Valerie L. Soza, Laura Moore 2000-5-10 848 Los Angeles Verdugo Mountains North Side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive from fire gate to power lines, west of peak ''1936' Comment
  UCR205230  Emmenanthe penduliflora R. G. Swinney 2008-5-2 8728 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  RSA401565  Emmenanthe penduliflora var. penduliflora M. B. Dunkle 1933-7-11 3639 Los Angeles Upper San Gabriel Canyon above dams. Cold Brook camp. Comment
  SD253464  Emmenanthe penduliflora var. penduliflora R. G. Swinney 2011-5-31 14926 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek (Chilao Flat 7.5'Q) 1096 Comment
  CAS-BOT-BC131158  Encelia actoni W. R. Dudley; F. H. Lamb 1896-6-8 4367 Los Angeles Near Neenach, Antelope Valley 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
  CAS-BOT-BC131218  Encelia californica H. A. Thomas; J. H. Thomas 1954-3-27 485 Los Angeles West Zuma Beach, 8 miles east of Ventura - Los Angeles County line Comment
  UC88735  Encelia californica T. S. Brandegee 1892-8-24 Los Angeles San Clemente Island Comment
  RSA0080645  Encelia farinosa R. G. Swinney 2010-3-10 11810 Los Angeles NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  NY841903  Ephedra nevadensis T. S. Ross 1991-4-27 4713 Los Angeles Black Butte. 3150 Comment
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Nov 10 2010
  SBBG56458  Ephedra nevadensis R. Hoffmann 1929-5-19 Los Angeles Harold Comment
  CAS-BOT-BC81971  Ephedra viridis I. M. Johnston 1917-8-23 1721 Los Angeles San Antonio Mountains. Prairie Fk of San Gabriel R. 1524 Comment
  OBI6200  Ephedra viridis Shirley Vaughan 1974-5-11 5 Los Angeles At 10th St. E and Kettering St, Lancaster, Ca 718 Comment
  RSA587615  Ephedra viridis Orlando Mistretta, S. D. Boyd, Darin Banks 1994-4-29 1134 Los Angeles San Gabriel Mountains, Santiago Canyon 1143 Comment
  RSA597978  Ephedra viridis L. C. Wheeler 1970-3-28 s.n. Los Angeles Liebre Mountains. 1 mi. south of Ravenna, Father Garrett's Boys Ranch 793 Comment
  UC1134409  Ephedra viridis A. Lewis 1933-4-20 186 Los Angeles 1.5 mi s Palmdale; Elizabeth Lake Quad. 853 Comment
  UCR190427  Ephedra viridis R. G. Swinney 2001-4-18 7911 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  SD3243  Epilobium angustifolium Ruth B. Randall Jul 1931 180 Los Angeles Big Pines Comment
  RSA594405  Epilobium brachycarpum Steve Boyd, Lauren Raz 1996-10-14 9082 Los Angeles Liebre Mountains region, 'Cow Spring Pond', a sag pond along the San Andreas Fault at the north base of Liebre Mountain in Oakdale Canyon, just west of confluence of Cow Spring Canyon. 1159 Comment
  UCR201607  Epilobium canum Justin M. Wood 2008-11-20 239 Los Angeles San Gabriel Mountains, ANF Road (1N36)/SCE access road west of Van Tassel Canyon, above the city of Duarte 793 Comment
  RSA588440  Epilobium canum subsp. canum Wm. Martin 1971-8-18 s.n. Los Angeles Vicinity of Chantry Flats, along road to bottom of Santa Anita Canyon [San Gabriel Mts.] Comment
  POM158229  Epilobium canum subsp. latifolium P. A. Munz, I. M. Johnston 1928-9-4 11169 Los Angeles Mouth of Rock Creek. 1159 Comment
  POM17792  Epilobium canum subsp. latifolium P. A. Munz 1923-9-1 7710 Los Angeles Swartout Valley, San Antonio Mtns. 2351 Comment
  RSA191182  Epilobium canum subsp. latifolium Robert F. Thorne, M. Z. Thorne 1967-7-19 37170 Los Angeles Angeles National Forest: Big Cienega Springs above Crystal Lake Recreation Area. 1982 Comment
  RSA760596  Epilobium ciliatum R. G. Swinney 2008-12-4 9949 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
  RSA579469  Epilobium ciliatum subsp. ciliatum Tim S. Ross, Steve D. Boyd 1994-5-10 7744 Los Angeles Warm Springs Mountain: at the confluence of a blueline drainage NNE off the face of Warm Springs Mtn; ca 1250 m WNW from the canyon's effluence into Elizabeth Lake Canyon 668 Comment
  RSA748361  Epilobium foliosum Scott D. White, Justin M. Wood 2009-5-6 12657 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  RSA381711  Epipactis gigantea F. R. Fosberg, Joseph A. Ewan 1931-8-11 S 5558 Los Angeles Pine Flats, Islip Trail, 0.5 mile below Big Cienega, S fork San Gabriel Canyon, San Gabriel Mountains. 1900 Comment
  SBBG51430  Epipactis gigantea H. G. Grinnell 1923-5-28 Los Angeles Topanga Cyn Comment
  CAS-BOT-BC57171  Equisetum hyemale subsp. affine Louis C. Wheeler 1946-9-2 6336 Los Angeles San Gabriel Mountains: West Fork San Gabriel River 518 Comment
  RSA0034729  Equisetum laevigatum Richard Schlichting 1948-5-23 s.n. Los Angeles San Dimas Canyon Park. 304 Comment
  RSA639358  Equisetum laevigatum L. C. Wheeler 1933-10-20 2175 Los Angeles San Gabriel River 76 Comment
  CATA963  Equisetum telmateia subsp. braunii Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-21 1829 Los Angeles Santa Catalina Island: Lower Middle Canyon, just below junction of road to Ben Weston Beach 153 Comment
  RSA684718  Equisetum telmateia var. braunii M. B. Dunkle 1931-4-22 2458 Los Angeles Middle Ranch Canyon, Santa Catalina Island. Comment
  SBBG129299  Eragrostis pectinacea var. pectinacea A. Parikh, N. Gale 2012-5-29 2162 Los Angeles Newhall Ranch, 1.7 km SW of intersection of Interstate 5 and Hwy 126, N side of Santa Susana Mtns 320 Comment
  RSA0106902  Eriastrum densifolium subsp. austromontanum R. G. Swinney 2009-6-17 11215 Los Angeles Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  CAS-BOT-BC514255  Eriastrum densifolium subsp. austromontanum G. B. Grant 1902-6-25 s.n. Los Angeles San Gabriel Canyon 457 Comment
  RSA0105542  Eriastrum densifolium subsp. austromontanum Thekla Mohr s.n. Los Angeles Sister Elsie trail to sister Elsie Peak, SW San Gabriel Mtns. Comment
  RSA0107951  Eriastrum densifolium subsp. austromontanum L. C. Wheeler 1968-7-24 s.n. Los Angeles San Gabriel Mountains: South end of Mt. Hillyer. 1890 Comment
  UC1787320  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-22 140 Los Angeles Mojave Desert/San Gabriel Mountains: county Hwy S4 (204th St. East), 7.4 km south of Hwy 138, northern mouth of Grandview Canyon, along west side of Hwy S4 1396 Comment
  UCR56321  Eriastrum densifolium subsp. densifolium S. J. Myers, Ed LaRue 1989-3-17 s.n. Los Angeles West Mojave Desert, Palmdale area, Elizabeth Lake Road to California Aqueduct. San Andreas Rift Zone bisects the site 884 Comment
  RSA0048224  Eriastrum densifolium subsp. elongatum Sol Karlin 1965-4-24 s.n. Los Angeles Big Tujunga Wash, San Gabriel Mts. 609 Comment
  SEINET7072896  Eriastrum pluriflorum A. G. Vestal 1963-5-22 s.n. Los Angeles Outside Bobs Gap, Antelop Valley. Coordinate datum: WGS84/NAD83. (34? deg. 27' 16" North Latitude, -117? deg. 48' 43" West Longitude; UTM Zone 11, 425420mE, 3812643mN, Coordinate datum: NAD27.). Comment
  RSA0121164  Eriastrum pluriflorum subsp. sherman-hoytiae D. Charlton 1991-5-18 5188 Los Angeles Piute Ponds, Edwards Air Force Base. Old Homestead road just east of ponds, south of Rosamond Dry Lakebed. 701 Comment
  SBBG122104  Eriastrum sapphirinum A. Parikh, N. Gale 2005-5-19 773 Los Angeles North Sierra Pelona, 1.4 km S of California Aqueduct, 2.5 km W of St Hwy 14 1010 Comment
  UCR190773  Eriastrum sapphirinum R. G. Swinney 2001-5-18 7933 Los Angeles San Gabriel Mtns./Mojave Desert, Largo Vista area, c. 1/2 mile east of Largo Vista Rd. at a point 3.56 mi. south of Hwy 138 1284 Comment
  UC52504  Eriastrum sapphirinum Ernest Braunton 1902-6-20 475 Los Angeles Colton Comment
  RSA0122084  Eriastrum sapphirinum subsp. brevibracteatum G. R. Johnstone 1930-6-22 s.n. Los Angeles Near Ravenna; Soledad Canyon. Comment
  RSA0123048  Eriastrum sapphirinum subsp. brevibracteatum Freda Detmers 1931-5-17 s.n. Los Angeles Mojave Desert. Comment
  RSA0121297  Eriastrum sapphirinum subsp. dasyanthum J. H. Barber 1897-6-22 168 Los Angeles San Fernando Valley. Comment
  RSA713240  Ericameria cooperi LeRoy Gross 2005-5-3 2229 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
  RSA757267  Ericameria cooperi R. G. Swinney 1998-4-14 5989 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
  JEPS19264  Ericameria cooperi var. cooperi F. W. Peirson 1919-5-10 411 Los Angeles Arrastre Canyon, n side of San Gabriel Mts. San Gabriel Mts. 838 Comment
  CAS-BOT-BC168168  Ericameria linearifolia A. C. Sanders; E. J. Lawlor 1988-4-3 7740 Los Angeles Tehachapi Mtns: SW end of [theTehachapi] the Tehachapi Mtns, 1 mi. NW of Gorman on a gasline rd, 0.4 mi. above old highway 1284 Comment
  POM359400  Ericameria linearifolia Roy R. Snelling 1977-4-18 3 Los Angeles 2 miles south of Pearblossom. 1066 Comment
  SD72261  Ericameria linearifolia Jeannette L. Huber 1969-5-25 975 Los Angeles Chilao, 1 mile north of Chilao Fire Station. 1525 Comment
  SFV12035  Ericameria linearifolia D. L. Koutnik 1978-4-28 435 Los Angeles Cornell Corners, south of Agoura Road on Cornell Road. 305 Comment
  UC1532956  Ericameria linearifolia C. W. Tilforth and John Dourley 1973-5-24 810 Los Angeles 2.3 mi nw Mile High (above Shoemaker Canyon, n edge of San Gabriel Mts.); San Gabriel Mtns. Comment
  UC194547  Ericameria nauseosa var. hololeuca H. M. Hall 1917-10-27 10586 Los Angeles 16 km w Lancaster; Antelope Valley Comment
  POM182357  Ericameria palmeri var. pachylepis J. Ewan 1931-10-24 5288 Los Angeles Dume - La Sierra Canyon Divide. Santa Monica Mts. 518 Comment
  POM359432  Ericameria palmeri var. pachylepis George R. Johnstone 1931-10-24 14026 Los Angeles Santa Susanna Mts. 915 Comment
  RSA608595  Ericameria parishii L. C. Wheeler 1931-8-20 S 37 Los Angeles Liveoak Canyon Dam, San Gabriel Mts. 487 Comment
  RSA605431  Ericameria pinifolia L. C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon, depression on bench NE of Campground 1433 Comment
  SD68969  Ericameria pinifolia J. Massey 1965-10-9 999 Los Angeles Wash outside Rancho Santa Ana Botanic Garden Comment
  UC527282  Ericameria pinifolia C. B. Wolf 1931-5-13 Los Angeles near bridge on the road from Tujunga to San Fernando; Pacoima Wash 365 Comment
  UCR271174  Erigeron foliosus R. G. Swinney 2011-7-8 15496 Los Angeles San Gabriel Mountains, 'Strawberry Potrero', uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  SBBG94228  Erigeron foliosus var. foliosus F. R. Fosberg 1931-7-9 5361 Los Angeles Avalon 50 Comment
  CAS-BOT-BC295963  Erigeron philadelphicus Louis C. Wheeler 1934-3-19 2451 Los Angeles San Gabriel River 73 Comment
  HSC13528  Eriodictyon crassifolium C. S. Apperson 1967-6-15 Los Angeles 1.0 mi. down Canton Canyon Trail from the Townsend Park Rd. Comment
  RSA0064134  Eriodictyon crassifolium var. crassifolium Marck Menke 2002-3-29 134 Los Angeles San Gabriel Mts., Angeles Crest Highway (Hwy 2) at a pullout southeast of the intersection with Angeles Forest Highway. Comment
  RSA0070371  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-4-23 12337 Los Angeles San Gabriel Mountains: lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA294369  Eriodictyon crassifolium var. nigrescens Lyman Benson 1946-10-16 12209 Los Angeles U. S. 99, valley just south of second summit north of Castaic. 762 Comment
  RSA306186  Eriodictyon crassifolium var. nigrescens Fay A. MacFadden 1931-3-29 s.n. Los Angeles La Tuna Canyon, Verdugo Hills 335 Comment
  SD44543  Eriodictyon crassifolium var. nigrescens Kay H. Beach 1943-5-11 1743 Los Angeles San Gabriel Mts, upper part of Lewis Paul Canyon on Woods Trail Comment
  UCR147714  Eriodictyon crassifolium var. nigrescens Steve Boyd, Amber Maurice 2004-5-18 11317 Los Angeles Transverse Ranges; Liebre Mtns region, Road leading down towards Atmore Meadows area from main road, on crest of Liebre Mountain at crossing of spring outflow 1437 Comment
  CAS-BOT-BC222692  Eriodictyon trichocalyx Javier Penalosa 1961-5-21 1524 Los Angeles San Gabriel Canyon Comment
  UCR256458  Eriodictyon trichocalyx subsp. trichocalyx R. G. Swinney 2010-9-9 13779 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  RSA455071  Eriodictyon trichocalyx var. trichocalyx F. R. Fosberg 1931-6-11 S 5662 Los Angeles Islip trail, S slope Mt. Hawkins. 2200 Comment
  RSA455072  Eriodictyon trichocalyx var. trichocalyx F. R. Fosberg 1931-8-11 S 5656 Los Angeles Pine Flats, N fork San Gabriel Canyon. 1800 Comment
  RSA756177  Eriogonum angulosum Orlando Mistretta, Christine Mistretta 2008-4-3 2263 Los Angeles Southern California Edison transmission line tower (Segment 5, Structure 69, per TRTP survey 2008) just south of state Hwy 14 in the vicinity of Soledad Pass 1002 Comment
  SBBG121835  Eriogonum angulosum A. Parikh, N. Gale 2005-6-18 787 Los Angeles Portal Ridge, 0.5 km NW of intersection of N2 and Johnson Rd, 0.3 km N of Johnson Rd 1070 Comment
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Feb 8 2012
  SBBG61866  Eriogonum brachyanthum R. Hoffmann 1928-8-7 Los Angeles 2 mi E of Saugus Comment
  UCSC011218  Eriogonum brachyanthum Adam Searcy 2015-7-10 78 Los Angeles Santa Clarita, Vista Canyon Ranch, Santa Clara River Comment
  RSA393147  Eriogonum cinereum F. R. Fosberg 1931-3-1 4221 Los Angeles Topanga Canyon, 2.5 mi. below Wildwood, Santa Monica Mountains. 60 Comment
  CAS-BOT-BC242750  Eriogonum davidsonii Timothy S. Ross; Steve Boyd 1990-6-18 3522 Los Angeles San Gabriel Mountains. Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages 1767 Comment
  CHSC5100  Eriogonum fasciculatum M. MacArthur 1967-7-16 85 Los Angeles Along lower Chilao Flat road, keeping to left at fork--about 1/4 mi. and near turn-off to water tower, off Angeles Crest Hwy., Angeles National Forest, San Gabriel Mts. North side of road. 1584 Comment
  RSA746550  Eriogonum fasciculatum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37003 Los Angeles San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 92 Comment
  RSA0039731  Eriogonum fasciculatum Roxanne Smith 1991-5-7 17 Los Angeles Hills south-east of Golden Springs and Diamond Bar Blvd. 1/8 mi. north of intersection Clear Crk. Cyn. Drive and Steep Cyn. Road. Comment
  CAS-BOT-BC253213  Eriogonum fasciculatum var. fasciculatum Alice Eastwood 1919-7-4 9288 Los Angeles Santa Monica Canyon Comment
  CAS-BOT-BC253275  Eriogonum fasciculatum var. foliolosum Le Roy Abrams 1900-8-1 1048 Los Angeles San Gabriel Wash Comment
  RSA19624  Eriogonum fasciculatum var. foliolosum I. W. Clokey, Bonnie C. Templeton 1929-06 4578 Los Angeles Mandeville Canyon, Santa Monica Mountains. 250 Comment
  RSA393406  Eriogonum fasciculatum var. foliolosum M. Bisbee 1917-5-18 72 Los Angeles Hills, north of Eagle Rock Valley Comment
  RSA609051  Eriogonum fasciculatum var. foliolosum Louis C. Wheeler 1930-10-20 s.n. Los Angeles 2 mi. NE La Verne. 377 Comment
  SD40462  Eriogonum fasciculatum var. foliolosum Edith A. Purer 1931-2-11 Los Angeles Griffith Park, hillside Comment
  RSA311407  Eriogonum fasciculatum var. polifolium Cheryl A. Lawson 1971-6-26 401 Los Angeles San Gabriel Mountains, Angeles National Forest: Little Tujunga Canyon. Comment
  UC1595259  Eriogonum fasciculatum var. polifolium Tim Ross, Peter Fritsch 1990-6-20 3627 Los Angeles mouth of Burro Canyon near confluence of the E and W forks of the San Gabriel River; San Gabriel Mountains, Burro Canyon 445 Comment
  CAS-BOT-BC33655  Eriogonum giganteum var. formosum Townsend Stith Brandegee 1894-8-25 s.n. Los Angeles San Clemente Island Comment
  SBBG12770  Eriogonum giganteum var. giganteum E. R. Blakley 1962-10-3 5375 Los Angeles banks around Wrigley Reservoir at the summit of the island rd 426 Comment
  UC56805  Eriogonum gracile J. B. Davy Oct 1896 2748 Los Angeles Santa Monica Comment
  POM7641  Eriogonum gracile var. gracile L. R. Abrams 1902-7-5 1561 Los Angeles Near the power house, San Gabriel Canyon. Comment
  POM145596  Eriogonum gracillimum L. R. Abrams 1927-4-30 s.n. Los Angeles Antelope Valley between Fairmont and Neenach . Comment
  UCR126739  Eriogonum gracillimum A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26237 Los Angeles Western San Gabriel Mtns., Charlie Canyon, Castaic Mesa area, east of Lake Hughes Rd. and the filtration plant, Newhall Ranch 366 Comment
  UCSB1437  Eriogonum gracillimum Wedberg, H. 1958-4-13 Los Angeles Near Pearblossom Comment
  RSA760555  Eriogonum heermannii R. G. Swinney 2008-8-14 9438 Los Angeles Confluence of Big Rock Creek and Fenner Canyon 1640 Comment
  SBBG125470  Eriogonum hirtiflorum A. Parikh, N. Gale 2010-6-18 3339 Los Angeles upper Big Tujunga Cyn, 0.9 km N of St Hwy 2, 0.3 km W of upper Big Tujunga Cyn Rd, San Gabriel Mtns 1240 Comment
  RSA572347  Eriogonum microtheca var. corymbosoides R. T. Hawke 1994-9-11 74 Los Angeles West slope of Table Mountain. Comment
  CAS-BOT-BC268748  Eriogonum mohavense A. Davidson 1897-1-1 s.n. Los Angeles Rock Creek, Mohave [Mojave] Desert Comment
  JEPS56719  Eriogonum mohavense Ralph Hoffmann 1927-9-23 2867 Los Angeles Palmdale Comment
  RSA660160  Eriogonum nudum var. pauciflorum Orlando Mistretta 1992-5-25 424 Los Angeles Fenner Canyon Conservation Camp. 1738 Comment
  UCR276873  Eriogonum nudum var. pubiflorum R. G. Swinney 2011-10-13 15787 Los Angeles San Gabriel Mountains, Chilao Flat, jct. of Chilao Flat Rd. (north entrance) & Silver Moccosin Trail 1582 Comment
  RSA781238  Eriogonum parvifolium A. C. Sanders, Dan S. Cooper 2010-3-12 37347 Los Angeles South Coast: Madrona Marsh, Torrance. 24 Comment
  CAS-BOT-BC267756  Eriogonum roseum A. D. E. Elmer 1902-6-1 3725 Los Angeles Acton Comment
  RSA628811  Eriogonum saxatile Scott D. White, Dave Bramlet 1998-6-29 6816 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness; 4-mile closed section of Hwy. 39 from ca. 1.6 miles W of jctn. Crystal Lake access road to jct. Hwy 2. 1707 Comment
  RSA755611  Eriogonum saxatile R. G. Swinney 2008-7-25 9313 Los Angeles Twin Peaks, west peak. 2299 Comment
  RSA149777  Eriogonum saxatile Wesley O. Griesel 1961-6-29 s.n. Los Angeles San Gabriel Mountains: State Highway 2 near White Thorn Picnic Area 2287 Comment
  RSA420689  Eriogonum umbellatum var. canifolium Fordyce Grinnell Jr. 1917-8-29 s.n. Los Angeles Mt. Waterman Ridge. Comment
  RSA226965  Eriogonum umbellatum var. minus Robert F. Thorne 1971-8-25 41245 Los Angeles San Gabriel Mountains, Angeles National Forest: Summit of Mt. Burnham 2741 Comment
  CAS-BOT-BC264875  Eriogonum viridescens Ernest C. Twisselmann 1957-8-13 3961 Los Angeles Western end of Antelope Valley 792 Comment
  OBI51926  Eriophyllum confertiflorum Suzan Barth 1994-5-17 35 Los Angeles Santa Susana Mtns. Northridge, Aliso Cyn off Sesnon 200 m from trail head Comment
  POM357901  Eriophyllum confertiflorum Anstruther Davidson s.n. Los Angeles Foothill, Los Angeles Comment
  POM357929  Eriophyllum confertiflorum D. S. Krause 1939-07 s.n. Los Angeles Roadside ditch, Pasadena Comment
  POM357930  Eriophyllum confertiflorum Norman C. Cooper 1945-5-1 2237 Los Angeles Tapia Park area, Santa Monica Mountains. 610 Comment
  POM357948  Eriophyllum confertiflorum M. B. Dunkle 1932-5-28 2971 Los Angeles White's Landing, Santa Catalina Island. Comment
  UCR192888  Eriophyllum confertiflorum R. G. Swinney 1998-7-6 6284 Los Angeles San Gabriel Mtns., Mescal Canyon, 1.1 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1720 Comment
  POM357902  Eriophyllum confertiflorum var. confertiflorum Anstruther Davidson 1918-8-1 3093 Los Angeles San Gabriel Mountains. Comment
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Mar 6 2015
  SBBG61061  Eriophyllum confertiflorum var. confertiflorum West, Sweet, Crow 1930-7-12 Los Angeles near Pine Flats, N Fk San Gabriel River Comment
  UCR276785  Eriophyllum pringlei R. G. Swinney 2011-4-1 14304 Los Angeles San Gabriel Mountains/SW Mojave Desert, WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  UC1871250  Eriophyllum wallacei T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4966 Los Angeles Transverse Ranges; Liebre Mountains region; Soledad Canyon Wash: about half mile E of Acton; T5N R13W, W1/2 SE1/4 SE1/4 section 36; elevation 2720 feet. 829 Comment
  UC1587699  Erodium botrys Tim Ross, Orlando Mistretta, and Mike Hammitt 1991-5-18 5170 Los Angeles 1100 ft ssw Twin Dams (nnw of Boulder marker (1850 ')); San Clemente Island 490 Comment
  UC867331  Erodium botrys I. W. Clokey and B. C. Templeton 1930-4-8 4636 Los Angeles San Fernando Road 300 Comment
  RSA0088417  Erodium cicutarium R. G. Swinney 2010-2-27 11745 Los Angeles Sunland, SE end of Hansen Dam Basin, Haines Canyon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain 348 Comment
  RSA729813  Erodium cicutarium R. G. Swinney 1998-7-10 6391 Los Angeles San Gabriel Mtns.: SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2. 2250 Comment
  SBBG131983  Erodium cicutarium S. A. Junak 1990-11-9 SCI 139 Los Angeles immediately below field station, at Camera Pad "Stone" 448 Comment
  UCR276944  Erodium cicutarium R. G. Swinney 2010-5-21 12867 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
  SD30979  Erodium moschatum Edith A. Purer 1931-2-21 161 Los Angeles Palos Verdes hills Comment
  UCR209935  Erysimum capitatum R. G. Swinney 2008-7-15 9214 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  UCR223252  Erysimum capitatum R. G. Swinney 2009-7-29 11415 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  SBBG91990  Erysimum capitatum var. capitatum R. Hoffmann 1931-5-3 Los Angeles 3 mi E of Elizabeth Lake Comment
  UCSB10649  Erysimum capitatum var. capitatum Lloyd, Robert 1959-3-4 Los Angeles 1/2 mile south of dam in San Dimas Canyon, stream bed on west side of San Dimas Canyon Road; San Gabriel Mt. Range; Pacific Ocean drainage area 365 Comment
  CAS-BOT-BC55211  Erysimum suffrutescens S. B. Parish 1918-6-5 11881 Los Angeles Playa del Rey. Comment
  RSA49121  Eschscholzia caespitosa P. A. Munz 1949-5-10 13384 Los Angeles Adventive in Botanic Garden, S of pinic ground knoll Comment
  RSA0069425  Eschscholzia californica R. G. Swinney 2010-3-11 11867 Los Angeles Flood plain surrounding Haines Canyon wash, from the I-210 Fwy. in the east, where it crosses wash, to 0.5 mi. west at junction with Big Tujunga Wash. 348 Comment
  UCR273279  Eschscholzia californica R. G. Swinney 2011-7-7 15419 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  CAS-BOT-BC403162  Eschscholzia californica Reid Moran 1941-2-25 612 Los Angeles North of Wilson Harbor, Santa Catalina Island Comment
  LA200732  Eschscholzia californica A. H. Lange; 1951-4-27 sn Los Angeles Santa Monica Mountains, Point Dume Comment
  POM177572  Eschscholzia californica var. peninsularis Ralph Hoffmann 1931-4-28 336 Los Angeles Upper Bouquet Canyon Comment
  UC1871174  Eschscholzia minutiflora T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4846 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  CAS-BOT-BC5933  Eschscholzia picta Samuel Bonsal Parish 1887-6-1 1952 Los Angeles San Francisquito Canyon, Los Angeles Comment
  POM158018  Eschscholzia ramosa M. B. Dunkle 1928-3-31 1794 Los Angeles Cottonwood Canyon, Santa Catalina Island. 122 Comment
  CATA3118  Eucalyptus camaldulensis Amy Catalano 2016-5-24 123 Los Angeles Santa Catalina Island: North side of Middle Ranch Road between horse corrals and milkhouse 155 Comment
  UCR189391  Eucalyptus camaldulensis R. G. Swinney 1990-4-28 1575 Los Angeles Los Angeles Basin, western section of South Hills, a ridge on the south side of the city of Glendora; east of Glendora Avenue 259 Comment
  RSA131018  Eucrypta chrysanthemifolia Percy C. Everett, E. K. Balls 1959-6-2 23836 Los Angeles 1 mile northeast of entrance to Stokes Canyon, Santa Monica Mountains. 183 Comment
  RSA151311  Eucrypta chrysanthemifolia Peter H. Raven 1962-5-10 17719 Los Angeles Near head of canyon north of Thirst (south side), San Clemente Island. 427 Comment
  SFV21383  Eucrypta chrysanthemifolia var. chrysanthemifolia L. Moore, R. Burchet, L. Gross, D. Zygielbaum 2000-6-8 43 Los Angeles Verdugo Mountains La Tuna Canyon Park. Off La Tuna Canyon Road on Santa Monica Mountains Conservancy Land. 586 Comment
  RSA279071  Eucrypta chrysanthemifolia var. chrysanthemifolia Robert F. Thorne 1971-4-9 41537 Los Angeles Angeles National Forest: below entrance to wooded area of San Dimas Canyon near San Dimas Creek. 381 Comment
  SEINET3149926  Eulobus californicus G. B. Grant 430 Los Angeles Pasadena Comment
  UCR210193  Euphorbia maculata R. G. Swinney 2008-10-22 9666 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon, 0.5 mi. upstream from entrance of Old San Gabriel Canyon Rd. at El Encanto 244 Comment
  UCD142588  Euphorbia maculata S. I. Apfelbaum 1980-4-1 80 Los Angeles International airport. Comment
  SEINET5789094 Image available Euphorbia polycarpa Unknown 1982-1 3215 Los Angeles Los Angeles, CA Comment
  LA201721  Euphorbia terracina Arthur C. Gibson; 2001-5-19 4818 Los Angeles Santa Monica Mountains, Topanga Canyon, along Pacific Coast Hwy near junction with State Hwy 27 Comment
  JEPS30670  Euthamia occidentalis Peter H. Raven and Henry J. Thompson 1959-9-6 14382 Los Angeles mouth of Malibu Creek; Santa Monica Mountains, Malibu Creek 12 Comment
  SD252244  Festuca bromoides Steven A. Junak 1999-4-23 Sca 851 Los Angeles Santa Catalina Island. Plant stop. 347 Comment
  RSA0106121  Festuca dertonensis R. G. Swinney 2011-3-15 14078 Los Angeles San Gabriel Mountains; Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 235 Comment
  UCR123897  Festuca microstachys Steven R. Hill, K. Kramer 2001-4-22 33347 Los Angeles Southwestern Mojave Desert, N side of San Gabriel Mtns. Antelope Valley, east of California Poppy Reserve, N and S sides of Avenue I (Lancaster Rd.), 1.5 mi west of Munz Ranch Road, 2.6 mi west of junction with 120th Street West, about 15 mi due NW of Palmdale 805 Comment
  UCSB386  Festuca myuros Kraebel, C. 1932-6-20 Los Angeles San Dimas; SRE Plots 303-304 Comment
  SBBG109001  Ficus carica S. A. Junak 1996-5-20 Los Angeles Mosquito Cove, just S of first gully S of main cyn 18 Comment
  RSA533943  Filago arizonica Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5218 Los Angeles San Clemente Island: SE end of island vicinity of Knob, 5100ft NW of Guds, Southeasterly draw leading into upper Knob Canyon 252 Comment
  RSA591980  Filago californica Mark Hoefs, D. Propst 1973-3-14 90 Los Angeles Santa Catalina Island. Ridge between Cape and Skull Canyons. 305 Comment
  RSA574301  Filago gallica R. G. Swinney 1994-5-7 2834 Los Angeles Glendora Wilderness Park, jct of Lower Monroe Mtwy & Mystic Canyon Trail. 609 Comment
  UCR223267  Foeniculum vulgare R. G. Swinney 2009-8-19 11452 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Canyon Wilderness Park, at waterfall 534 Comment
  CAS-BOT-BC52545  Frangula californica subsp. californica Le Roy Abrams 1899-3-30 290 Los Angeles Santa Monica Mts Comment
  RSA552514  Frankenia grandifolia D. Charlton 1989-5-25 3196 Los Angeles Corner of G/H and 30th Street West, Palmdale. 610 Comment
  UC872057  Frankenia salina L. W. Nuttall 762 Los Angeles Santa Catalina Island Comment
  SBBG126988  Fraxinus dipetala A. Parikh, N. Gale 2011-7-10 3552 Los Angeles West Fork San Gabriel River, 1.1 km W of St Hwy 39; San Gabriel Mtns 502 Comment
  RSA602103  Fraxinus uhdei Scott D. White 1997-5-7 5052 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
  CAS-BOT-BC212391  Fremontodendron californicum Carl B. Wolf 1936-5-27 7861 Los Angeles Aliso Canyon to Buckhorn Flats Road, 8 mi. above Tie Camp Summit, San Gabriel Mts. 1676 Comment
  CAS-BOT-BC212397  Fremontodendron californicum Timothy S. Ross; Steve Boyd; Peter W. Fritsch 1990-6-11 3359 Los Angeles Ca 120 m. NNW of Icy Springs, around a stone building that has been gutted by fire, the Webber Cabin, Big Rock Creek Canyon, San Gabriel Mountains 1731 Comment
  UCSB45504  Fritillaria biflora Sundvold, Marti 1979-3-4 Los Angeles Calif. Hwy. 23 ca. 3 mi. W. of jct. with Potrero Rd 500 Comment
  UCR18427  Galinsoga parviflora O. F. Clarke 1977-1-30 s.n. Los Angeles San Gabriel Mtns. Foothills, Pasadena [Altadena], north end of Lake Ave. Comment
  SFV7622  Galinsoga parviflora T. Gordon, J. Gordon, K. Kimbrough 1975-7-20 1097 Los Angeles San Gabriel Valley San Marino. Huntington Library. Orange grove adjacent to the mausoleum. Comment
  POM358609  Galinsoga parviflora var. parviflora F. W. Peirson 1931-4-11 9375 Los Angeles 1077 New York Avenue, Altadena. Comment
  POM367651  Galium andrewsii H. L. Bauer 1931-6-1 s.n. Los Angeles Santa Monica foothills. Comment
  RSA0108846  Galium andrewsii R. G. Swinney 2010-6-1 13144 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
  CAS-BOT-BC499140  Galium angustifolium subsp. angustifolium Valerie Soza 2004-6-17 1721 b Los Angeles San Gabriel Mountains. Mt. Wilson Rd, N of junction with Mt. Lowe Rd. 1569 Comment
  JEPS114014  Galium angustifolium subsp. angustifolium Timothy S. Ross and Steve Boyd 1994-5-10 7700 Los Angeles Saddle divide between E. Fork Fish Canyon and Warm Springs Canyon; vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132), NNW of Warm Springs Mountain summit. Comment
  RSA0097177  Galium angustifolium subsp. angustifolium R. G. Swinney 2011-6-1 14979 Los Angeles San Gabriel Mountains: north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes'? 1207 Comment
  UC1424925  Galium angustifolium subsp. angustifolium Jack Delaini and Barbara Shervanick 1974-5-23 211 Los Angeles steep side of canyon near stream at bottom; Angeles National Forest, San Dimas Experimental Forest, Lodi Comment
  POM367667  Galium angustifolium subsp. angustifolium G. R. Johnstone 1930-9-7 s.n. Los Angeles Mt. Wilson trail. 762 Comment
  POM367676  Galium angustifolium subsp. angustifolium Fordyce Griffiths Jr. 1910-6-11 3623 Los Angeles Dry mountains, altitude 3500 feet. 1067 Comment
  RSA660127  Galium angustifolium subsp. gabrielense Orlando Mistretta 1992-6-12 537 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  RSA679888  Galium angustifolium subsp. gabrielense LeRoy Gross, Valerie Soza 2003-6-10 1023 Los Angeles Mount Baldy Trail from Baldy Village to summit of Mount San Antonio., ca. 2.5 miles south of Mount San Antonio summit along trail. 2409 Comment
  UC303458  Galium angustifolium subsp. gabrielense I. Johnston 1917-6-20 1262 Los Angeles Baldy Lookout of USFS San Antonio Mts. 2133 Comment
  RSA0089852  Galium angustifolium var. angustifolium Dean Wm. Taylor 2003-5-29 18605 Los Angeles San Gabriel Mountains, Cold Springs Canyon, along Angeles National Forest Road 1N29 (Silver Fish Road) 1.3 miles E of the junction, Road 1N36. 868 Comment
  LA38798  Galium aparine Peter H. Raven; 1960-5-21 15405 Los Angeles 259 Comment
  RSA592371  Galium aparine Mark Hoefs 1974-3-28 425 Los Angeles Santa Catalina Island; upper Bulrush Canyon. 220 Comment
  UCR194610  Galium aparine R. G. Swinney, Dave Larson 1999-6-25 7402 Los Angeles San Gabriel Mtns., Fern Canyon at falls, c. 1.7 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  RSA776486  Galium bifolium LeRoy Gross, Jane Tirrell 2011-7-20 5532 Los Angeles Lily Spring, north of Mt. Hawkins. Near 2500 Comment
  UCD65156  Galium catalinense G. L. Webster; M. Hoeff, R. Thorne, J. M. Tucker 1992-3-30 7760 Los Angeles CATALINA ISLAND: seep slopes halfway from Little Harbor to Middle Ranch; flowers greenish-yellow. 200 Comment
  UCR143193  Galium catalinense F. R. Fosberg 1931-3-27 S- 4418 Los Angeles Channel Islands, Pebble Beach Road, Santa Catalina Island 50 Comment
  POM367797  Galium catalinense subsp. catalinense Anstruther Davidson 1891-6-20 s.n. Los Angeles Catalina Island Comment
  JEPS52632  Galium grande Lauramay T. Dempster and G. L. Stebbins 1964-1-26 3975 Los Angeles above Chantry's Flat (San Gabriel Mts.); , above Chantry's Flat 670 Comment
  RSA454384  Galium hallii Cameron Blake, Jane Turner, Francis M. Ball 1962-6-2 972 Los Angeles ca. 5 mi. NW of Big Pines on road to Valyermo 1768 Comment
  SD90609  Galium hallii Robert F. Thorne, J. Dourley 1967-10-3 37267 Los Angeles Mt. Baden-Powell: N slope at Vincent Gap 2133 Comment
  UC284889  Galium hallii P. A. Munz 1923-9-1 7705 Los Angeles Swartout Valley San Gabriel Mts. 2042 Comment
  RSA0005750  Galium hallii L. R. Abrams, E. A. McGregor 1908-7-3 598 Los Angeles North Baldy Mt., Rock Creek Canyon. 1524 Comment
  RSA646112  Galium jepsonii Orlando Mistretta, Joe Mistretta 1992-9-22 s.n. Los Angeles San Gabriel Mountains: Pacific Crest Trail, between Cloudburst Summit and Cooper Camp. Comment
  RSA772369  Galium johnstonii R. G. Swinney 2009-5-20 10831 Los Angeles Pechner Canyon, SE of community of Juniper Hills. 1463 Comment
  SBBG131665  Galium nuttallii S. A. Junak 1999-5-20 SCa 961 Los Angeles just W of old mine shaft, on N side of Black Jack Peak, directly under high voltage line leading to Black Jack Peak 505 Comment
  UC1409198  Galium porrigens Robert F. Thorne 1971-4-2 41416 Los Angeles n Mountain Ave.; San Gabriel Mts., Claremont, Johnson's Pastures 548 Comment
  RSA715160  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
  RSA225662  Gamochaeta pensylvanica R. F. Thorne, A. C. Gibson 1971-5-22 39725 Los Angeles San Gabriel Mts., Angeles National Forest: Fish Canyon 549 Comment
  RSA74868  Gamochaeta pensylvanica Elroy Robinson 1935-6-25 s.n. Los Angeles Glendale Comment
  UC1118553  Gamochaeta pensylvanica J. Horton 1937-6-7 450 Los Angeles Tanbark Flats Pomona Quadrangle, Tanbark Watershed, Tanbark Flats Comment
  SBBG31112  Gamochaeta ustulata R. F. Thorne 1966-4-28 36250 Los Angeles Hay Press area [Haypress] 426 Comment
  SBBG131520  Gamochaeta ustulata S. A. Junak 2000-5-19 SCa 1313 Los Angeles SE side of Echo Lake 420 Comment
  UCR270538  Garrya flavescens R. G. Swinney 2011-7-21 15528 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  CAS-BOT-BC158018  Garrya veatchii Marcus E. Jones 1930-3-13 26516 Los Angeles Big Rocks, Cajon Pass Comment
  UC213252  Garrya veatchii I. M. Johnston 1917-7-28 1578 Los Angeles San Antonio Canyon; San Antonio Mountains 1752 Comment
  CATA1230  Gastridium phleoides Mark L. Hoefs, Douglas R. Hoefs, Jorge Hernandez 1995-6-21 2296 Los Angeles Santa Catalina Island: Upper Bulrush Canyon 286 Comment
  SBBG131775  Gastridium phleoides S. A. Junak 1999-5-20 SCa 932 Los Angeles ridge between Cottonwood and Escondido Cyn, on S side of Cottonwood-Blackjack Rd, ca. 0.6 mi up from reservoir 256 Comment
  UC483213  Gastridium ventricosum L. R. Abrams and I. L. Wiggins 1931-7-6 389 Los Angeles vicinity of Mosquito Harbor San Clemente Island; , vicinity of Mosquito Harbor Comment
  RSA755589  Gayophytum R. G. Swinney 2008-7-15 9228 Los Angeles Winston Peak. 2275 Comment
  UCD170713  Gayophytum R. G. Swinney 2008-8-13 9385 Los Angeles San Gabriel Mtns., east fork of Icy Springs drainage, tributary of Big Rock Creek, 0.3 mi. SE of Big Rock Creek Rd. 1805 Comment
  CAS-BOT-BC308065  Genista monspessulana Robert F. Thorne; P. Everett 1965-6-22 34858 Los Angeles Santa Catalina Island: along Upper Pebble Beach Rd. 30 Comment
  UCR271736  Genista monspessulana R. G. Swinney 2011-3-26 14235 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  UCR213240  Geranium carolinianum Dan S. Cooper 2010-3-26 20100326- 23 Los Angeles Western Transverse Range, eastern Santa Monica Mtns., Griffith Park, Lower Beacon Trail in SE corner of park 232 Comment
  SD197791  Geranium dissectum A. C. Sanders, T. B. Salvato 2009-5-21 36902 Los Angeles San Gabriel Valley: Whittier Narrows, between San Gabriel River and Rio Hondo, west side of highway 19 (Rosemead Boulevard) along road to shooting area, south of Highway 60 along SCE powerlines 64 Comment
  RSA0108834  Gilia R. G. Swinney 2010-5-21 12887 Los Angeles San Gabriel Mountains: unnamed ridgetop (summit 4322 ft), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. Angeles Forest Hwy. and Mt. Emma Rd. 1299 Comment
  RSA618586  Gilia aliquanta subsp. aliquanta L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon 1/2 mile south-southwest of Blum Ranch. 975 Comment
  UC963973  Gilia aliquanta subsp. aliquanta R. F. Hoover 1938-4-16 3121 Los Angeles near Bailey's; Upper Antelope Valley Comment
  RSA213360  Gilia angelensis Reid V. Moran 1941-3-11 697 Los Angeles Santa Catalina Island. Ridge north of Middle Ranch. 300 Comment
  POM156660  Gilia angelensis L. R. Abrams 1903-4-10 3245 Los Angeles Grassy hills, near Inglewood Comment
  UCR191737  Gilia australis A. C. Sanders 2008-4-23 35078 Los Angeles Transverse Range; western San Gabriel Mtns., upper Cow Spring Canyon 1090 Comment
  UCR281173  Gilia brecciarum subsp. brecciarum R. G. Swinney 2014-4-23 16157 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains 1256 Comment
  SFV16004  Gilia brecciarum subsp. neglecta C. L. Michaels 1994-4-13 s. n. Los Angeles San Gabriel Mountains Gorman. CA State Highway 138, 0.7 miles from Gorman Post Road. Comment
  UCR190885  Gilia cana R. G. Swinney 2001-4-18 7908 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  SEINET4044464  Gilia capitata D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 213 Comment
  RSA11014  Gilia capitata subsp. abrotanifolia C. B. Wolf 1928-4-1 sw.n. Los Angeles Santa Susanna Pass, 0.5 miles from summit. 457 Comment
  RSA71797  Gilia capitata subsp. abrotanifolia F. W. Peirson 1919-4-19 384 Los Angeles Pacoima Canyon, west end of San Gabriel Mountains. 671 Comment
  SEINET4031673  Gilia capitata subsp. abrotanifolia O. M. Clark 1929-1 1913 Los Angeles West Lancaster, southern California. Comment
  UCR197719  Gilia latiflora subsp. davyi Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 90 Los Angeles Transverse Ranges; San Gabriel Mountains, south edge of Bob's Gap, on slopes and roadside, and down in the wash 1433 Comment
  CAS-BOT-BC226338  Gilia latiflora subsp. davyi Herbert L. Mason 1934-3-30 8037 Los Angeles Antelope Valley, Mohave [Mojave] Desert Comment
  CAS-BOT-BC226345  Gilia latiflora subsp. davyi E. K. Balls; N. N. Balls 1966-3-17 12124 Los Angeles 1.5 mi E. of Llano along Hwy 138. Palmdale to the Cajon Pass Comment
  RSA95685  Gilia latiflora subsp. latiflora Alva Grant 1955-4-7 9550 Los Angeles Mohave Desert between Palmdale and Lancaster. Comment
  UCR193453  Gilia leptantha subsp. transversa R. G. Swinney 1999-6-18 7291 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  RSA680111  Gilia modocensis LeRoy Gross, Michael Denslow 2003-6-4 991 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southeast of Dawson Saddle, south side of Angeles Crest Highway (Hwy. 2) 2439 Comment
  UCR220047  Gilia ochroleuca subsp. bizonata R. G. Swinney 2009-4-24 10452 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  RSA0017208  Gilia ochroleuca subsp. bizonata G. R. Johnstone 1926-4-24 s.n. Los Angeles Antelope Valley, foothills S. of valley. Comment
  CAS-BOT-BC266498  Githopsis diffusa F. W. Peirson 1921-6-13 1208 Los Angeles Big Santa Anita Canyon trail, about 1.5 miles below Sturdevants, San Gabriel Mountains 1066 Comment
  RSA534064  Gnaphalium californicum Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5247 Los Angeles San Clemente Island: Westerly fork of Near Death Canyon, draining to Mosquito Cove (drainage beginning 800ft N of Rest (1336') marker, 1800ft SE of Malo Knoll (1396). 389 Comment
  RSA617480  Gnaphalium canescens subsp. beneolens Scott D. White 1998-6-23 6777 Los Angeles Soledad Canyon area; proposed quarry area N of Soledad Canyon Road, S of I-14, E of Bee Canyon and W of Agua Dulce Canyon. 549 Comment
  RSA762291  Gnaphalium canescens subsp. microcephalum Orlando Mistretta, Christine Mistretta 2008-5-5 2651 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon. 627 Comment
  RSA0094717  Gnaphalium microcephalum R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14328 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg ) NNW of the trailhead 451 Comment
  POM358928  Gnaphalium ramosissimum Louis Greata 1900-9-16 s.n. Los Angeles Elysian Park. Comment
  RSA0019765  Gnaphalium stramineum Orlando Mistretta, Christine Mistretta 2011-7-1 5888 Los Angeles North Fork Mill Creek, along Forest Road 3N27. 1524 Comment
  RSA774082  Gnaphalium stramineum R. G. Swinney 2009-7-22 11344 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  UCR150833  Gnaphalium stramineum R. G. Swinney, Dave Larson 1999-5-15 7153 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  RSA587968  Grayia spinosa Orlando Mistretta 1992-5-4 249 Los Angeles Little Rock Creek, Alimony Ridge. 1463 Comment
  UCR116285  Grayia spinosa B. G. Pitzer 1998-5-12 3707 Los Angeles Western Mojave Desert, Hwy 138 (Palmdale Hwy), c. 1 mi. west of the San Bernardino County line 1171 Comment
  CAS-BOT-BC304624  Gutierrezia californica Brandegee No date on label s.n. Los Angeles Arroyo Seco, San Gabriel Mts. 350 Comment
  CATA1546  Hainardia cylindrica Mark L. Hoefs, Steven A. Junak, Misty Gay 1997-6-6 2786 Los Angeles Santa Catalina Island: Upper Buffalo Springs reservoir 435 Comment
  POM206069  Hainardia cylindrica Le Roy Abrams 1902-6-20 2567 Los Angeles Ballona marshes near Mesmer. Comment
  UCR71595  Haplopappus canus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4308 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, first canyon south of Bryce Canyon Comment
  UC1871213  Harpagonella palmeri T. S. Ross 1993-4-21 6853 Los Angeles Channel Islands; Santa Catalina Island; Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak; slope and small ridges N of Cactus peak summit Comment
  RSA598131  Hazardia cana Reid V. Moran, Beauchamp, Tom Oberbauer 1975-8-24 22694 Los Angeles San Clemente Island: China Canyon above confluence of Iwo Jima Gulch. 200 Comment
  JEPS30493  Hazardia squarrosa var. grindelioides Peter H. Raven 1959-10-25 14705 Los Angeles 1.6 mi w Decker Road (Mulholland Highway); Santa Monica Mountains 304 Comment
  OBI28467  Hazardia squarrosa var. grindelioides J. & B. Sample, B. Sample 1981-8-14 5594 Los Angeles CA-2, N of La Canada Flintridge, boundry of Natl Forest (San Gabriel Mts) Comment
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Sep 15 2014
  UC1922234  Hedypnois rhagadioloides Valerie L. Soza, LeRoy Gross, Adelina Munoz 2000-5-12 879 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, northeast side: Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. At Sacred Council junction off main road. Near 34deg 12' 27.6'' N 118deg 14' 42.3'' W T2N R13W SW/4, SE/4 sec. 33. Elev. 1200 Feet. Comment
  RSA631353  Helenium bigelovii L. C. Wheeler 1967-9-5 10696 Los Angeles San Gabriel Mountains: Prairie Fork on road to Guffy Camp. 2194 Comment
  SFV13210  Helenium bigelovii W. M. Perry Oct 1980 130 Los Angeles San Gabriel Mountains Mount Baldy. 1524 Comment
  CAS-BOT-BC223975  Helianthemum scoparium Grant 1901-3-13 3487 Los Angeles Pasadena Comment
  CAS-BOT-BC223985  Helianthemum scoparium Crawford; Hiatt 1916-3-29 s.n. Los Angeles Santa Monica Mts. Comment
  CAS-BOT-BC223990  Helianthemum scoparium Carl B. Wolf 1932-5-13 3625 Los Angeles Santa Catalina Island. 3 1/2 mi. (by road) from Avalon on way to Isthmus 365 Comment
  CAS-BOT-BC305428  Helianthus annuus Marcus E. Jones 1882-2-27 3029 Los Angeles Pasadena Comment
  UCR217344  Helianthus annuus 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
  RSA802573  Helianthus gracilentus Orlando Mistretta, Christine Mistretta 2011-7-6 5917 Los Angeles Fall Creek Canyon; tributary of N Fork Mill Creek, along Forest Road 3N27. 1239 Comment
  RSA0008271  Helianthus nuttallii subsp. parishii J. M. Porter 2006-11-5 12260 .4 Los Angeles Newhall Ranch, Castaic Spring, ca. 400 m S of the Santa Clara River, between Dead End Canyon and Middle Canyon. 1000 Comment
  POM3868  Heliotropium curassavicum var. oculatum O. W. Robinson 1916-5-2 s.n. Los Angeles Claremont, corner of 3rd and Dartmouth. Comment
  CATA391  Helminthotheca echioides Mark L. Hoefs 1974-5-2 457 Los Angeles Santa Catalina Island: Southeast side of main road at Little Harbor 3 Comment
  RSA526154  Hemizonia clementina Steve Boyd 1990-4-6 4148 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  RSA678919  Hemizonia parryi subsp. australis Julie Greene 1997-9-12 s.n. Los Angeles Intersection of Pacific Coast Highway/ Studebaker Rd., near Long Beach Marina. Salt marsh and seasonal freshwater wetland 5 Comment
  CAS-BOT-BC403828  Hesperocnide tenella Peter H. Raven 1956-6-17 9412 Los Angeles Slopes n.w. of Sunset Blvd. at Sepulveda Blvd., Santa Monica Mts. Comment
  POM214597  Hesperocnide tenella Louis C. Wheeler 1932-4-23 649 Los Angeles Mandeville Canyon, Santa Monica Mountains. 137 Comment
  SFV21032  Hesperocyparis stephensonii L. Gross 2002-2-2 471 Los Angeles Verdugo Mountains North side of mountains. Shaved off peak with concrete foundation, just west of McGroarty Cross (near Pasko Park) off of Verdugo Crestline Drive, east of Woodward Ave. (grown back but shown on 1999 Thomas Guide). South of Sunland-Tujunga and north of Verdugo Crestline Drive. 625 Comment
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May 1 2015
  UC1375414  Heterocodon rariflorum Robert F. Thorne 1969-7-2 38224 Los Angeles Charlton Flats; San Gabriel Mts., Angeles National Forest 1600 Comment
  SBBG32239  Heteromeles arbutifolia R. N. Philbrick with R. F. Thorne 1967-5-20 B 67 -318 Los Angeles below Zane Grey Manor, NW side of Avalon Comment
  UC1128098  Heteromeles arbutifolia R. St. John 1930-2-12 91 Los Angeles Head of Galvin Canyon; Santa Susana Quad. 609 Comment
  SBBG96864  Heterotheca grandiflora S. Boyd with T. Ross, L. Arnseth 1990-4-7 4285 Los Angeles lower part of China Cyn Comment
  UC832991  Heterotheca grandiflora E. G. Anderson 1931-3-11 5320 Los Angeles San Gabriel Canyon Comment
  RSA0074393  Heterotheca grandiflora L. R. Abrams 1899-06 215 Los Angeles Inglewood. Comment
  SBBG131991  Heterotheca grandiflora S. A. Junak, R. Philbrick 1990-11-8 SCI 125 Los Angeles Camera Pad "Pebble" 365 Comment
  UCR276910  Heterotheca sessiliflora subsp. fastigiata R. G. Swinney 2011-3-29 14256 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
  RSA733591  Hieracium albiflorum R. G. Swinney 1998-7-29 6543 Los Angeles San Gabriel Mtns.: c. 100 m downstream from upper Fish Fork Campground 1817 Comment
  RSA789058  Hieracium albiflorum Jane Tirrell 2012-7-20 LS 0113 Los Angeles Approx 100 ft above south side California State Route 2 at mile marker 66.43 2277 Comment
  LA200302  Hirschfeldia incana Elizabeth Levine; 1949-3-30 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  POM348808  Hoita macrostachya L. E. Hoffman 1932-8-10 s.n. Los Angeles Verdugo Woodlands, Glendale. Comment
  RSA449775  Holodiscus discolor Sam Tyson 1943-7-7 s.n. Los Angeles Big Dalton Canyon 579 Comment
  RSA611529  Holodiscus microphyllus Louis C. Wheeler 1968-10-13 s.n. Los Angeles San Gabriel Mountains: Big Rock Creek, just above Angeles Crest Highway. Comment
  UCR209899  Holodiscus microphyllus R. G. Swinney 2008-7-24 9279 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  CAS-BOT-BC289495  Hordeum brachyantherum subsp. californicum Ernest C. Twisselmann 1965-5-18 10858 Los Angeles Marsh along the Lancaster Road, va. 3 miles southeast of Gorman, Tehachapi Mountains 1097 Comment
  CATA942  Hordeum intercedens Mark L. Hoefs, Robert Given 1992-4-16 1806 Los Angeles Santa Catalina Island: Wild Boar Gully 152 Comment
  UC572687  Hordeum intercedens Nell Murbarger May, 1936 193 Los Angeles San Clemente Island Comment
  RSA0110608  Hordeum intercedens Steven A. Junak 1999-4-23 SCa- 850 Los Angeles Santa Catalina Island. Lower part of Ridge Road to west end, 1.0 mi. from Two Harbors. 42 Comment
  RSA0117863  Hordeum murinum Robert L. Benson 1960-5-19 49 Los Angeles Blanchard Park. [Pomona College.] Claremont. 365 Comment
  UCR259899  Hordeum murinum R. G. Swinney 2010-3-18 11988 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road 540 Comment
  CATA1126  Hordeum murinum subsp. glaucum Mark L. Hoefs 1995-5-23 2093 Los Angeles Santa Catalina Island: Middle Canyon, near Eagles Nest Lodge 124 Comment
  RSA669630  Hordeum murinum subsp. glaucum LeRoy Gross 2002-4-13 526 Los Angeles At intersection of Stough Canyon Mountainway and Verdugo Mountainway, along main crest. 579 Comment
  RSA611066  Hordeum murinum subsp. leporinum L. C. Wheeler 1970-5-9 s.n. Los Angeles Los Angeles: Gladys Avenue at 9th Street. Comment
  RSA661019  Hordeum murinum subsp. leporinum Orlando Mistretta 1992-4-5 159 Los Angeles Guds, San Clemente Island. Comment
  SD39731  Hordeum murinum subsp. leporinum Edith A. Purer 1932-3-4 2692 Los Angeles El Segundo, sand dunes Comment
  SBBG31111  Hordeum vulgare R. F. Thorne 1966-4-29 Los Angeles above ranch in Middle Ranch Cyn 228 Comment
  RSA562550  Hordeum vulgare var. trifurcatum Steve Boyd, Orlando Mistretta 1993-5-11 8131 Los Angeles Western San Gabriel Mtns, north of Sylmar and south of Santa Clarita, within rhe Tujunga Ranger District of the Angeles National Forest, along Placerita canyon Road within Placerita canyon 488 Comment
  RSA451565  Horkelia cuneata subsp. puberula L. E. Hoffman 1929-5-18 s.n. Los Angeles Pacoima, Angeles National Forest. Comment
  CAS-BOT-BC537329  Horkelia cuneata var. cuneata John H. Thomas 1957-4-27 6670 Los Angeles Pt. Dume, about 18 miles due W of Santa Monica, coastal bluffs 60 Comment
  RSA0091508  Horkelia rydbergii R. G. Swinney 2011-10-10 15748 Los Angeles east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1537 Comment
  CAS-BOT-BC213008  Hosackia crassifolia Elizabeth McClintock 1965-7-2 s.n. Los Angeles San Gabriel Mountains. Table Mountain, above Wrightwood, in yellow-Jeffrey pine forest. 2133 Comment
  SD11897  Hosackia oblongifolia Victor Duran 1933-7-22 3528 Los Angeles San Gabriel Mountains, Buckhorn, marshy places & along streams 1981 Comment
  LA32110  Hypochaeris glabra Henry J. Thompson; 1959-5-24 2020 Los Angeles Santa Monica Mountains, Saddle Peak, 0.6 mi ENE of peak 701 Comment
  UCD133316  Hypochaeris glabra Donald R. Bissing 1973-6-2 146 Los Angeles Evey Canyon, San Gabriel Mountains. 0.3 mile from mouth of canyon. 719 Comment
  UCR202502  Imperata brevifolia Justin M. Wood 2008-11-25 254 Los Angeles San Gabriel Mountains, Big Tujunga Canyon, near road to Wildwood Picnic Area, on the north side of the road in the vicinity of spring 579 Comment
  RSA248897  Isocoma menziesii R. F. Thorne 1973-4-12 42922 Los Angeles San Clemente Island, Horse Cove, S end of island. 3 Comment
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Jun 24 2014
  SEINET3371873  Isocoma menziesii G. Rink 2011-6-1 10575 Los Angeles Chino Hills, northeast of La Brea, weedy place 259 Comment
  CAS-BOT-BC311665  Isocoma menziesii var. decumbens Geo. B. Grant 1897-8-17 s.n. Los Angeles Terminal Island Comment
  UC87270  Isocoma menziesii var. menziesii T. S. Brandegee 1894-8-25 Los Angeles San Clemente Island Comment
  RSA654349  Isocoma menziesii var. vernonioides Valerie L. Soza, LeRoy Gross 2000-5-25 962 Los Angeles South Side; North of fire road between Ebey and Doane canyons, south of Goldenrod Spring, above Sunland. 548 Comment
  CHSC24686  Isomeris arborea D. Hattem 1976-4-18 7 Los Angeles Ca. 500 m. w of Hwy 5, ca. 15 mi n of Castaic. 975 Comment
  UCR98793  Isopyrum occidentale Steve Boyd, Lauren Raz 1997-5-1 9665 Los Angeles Liebre Mtns region, Sierra Pelona ridgeline, c. 1.5 mi west of Mt. McDill & 1.3 mi. SSE of Lincoln Crest, the head of Bouquet Canyon 1512 Comment
  UCD51313  Jarava speciosa Peter Kamb 1948-5-6 975 Los Angeles Lower Sonora Zone. Desert foothills of the San Gabriel Mountains, above Little Rock. 975 Comment
  RSA771954  Jepsonia malvifolia R. F. Thorne 1968-2-25 37913 Los Angeles Cherry Valley, Santa Catalina Island. Comment
  SBBG108994  Jepsonia malvifolia S. A. Junak 1996-10-1 SCl 691 Los Angeles E side of upper Horse Cyn, in southernmost of 2 small side cyns 499 Comment
  UC1370281  Jepsonia malvifolia R. Ornduff 1961-12-26 5096 Los Angeles near Avalon; Catalina Island, Pebble Beach Canyon Comment
  CAS-BOT-BC101896  Juglans californica Peter H. Raven; Robert F. Thorne 1964-5-7 19004 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mountains Comment
  RSA702977  Juglans californica Scott D. White 2004-7-28 10647 Los Angeles San Gabriel Mountains: Clear Creek area. In and around The Pines picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  RSA0010675  Juglans californica Wesley O. Griesel 1987-4-7 s.n. Los Angeles San Rafael Hills, Descanso Gardens: Growing naturally in a buffer zone of the original natural plants Comment
  RSA0011188  Juglans californica Ron Martinolich 1991-4-7 18 Los Angeles Griffith Park, Bee Rock Trail, from trail head of lower eastern end, west 50 feet. Comment
  RSA0048406  Juglans californica Elwood Fordham 1951-3-25 s.n. Los Angeles Topanga, 1/2 way down grade from summmit - New Canyon Road. Comment
  SEINET10476753  Juglans californica Lyman D. Benson 1949-4-29 Benson 13597 Los Angeles Puente hills, 4 miles sw of pomona, california oak woodland, north slope heavy Soils 305 Comment
  UC535352  Juglans californica var. californica Ira W. Clokey, B. Templeton Apr. 1929 4465 Los Angeles Mandeville Canyon Santa Monica Mountains 350 Comment
  RSA681907  Juglans regia Scott D. White 2003-6-2 9444 Los Angeles Puente Hills: City of Industry, just northwest of SR 60 / SR 57 freeway at Grand Ave. exit. 183 Comment
  RSA772153  Juncus R. G. Swinney 2009-5-27 10890 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  UCR223383  Juncus R. G. Swinney 2009-5-27 10887 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
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Dec 7 2018
  RSA618732  Juncus acutus subsp. leopoldii Scott D. White 1998-5-19 6543 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, between 1-5 fwy./ Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  UCR205248  Juncus balticus R. G. Swinney 2005-8-11 8470 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  SD232560  Juncus balticus subsp. ater A. C. Sanders, E. J. Lott 1993-5-6 13954 Los Angeles Mojave Desert: 13 miles N of Palmda.e, Sierra Hwy at Ave F 701 Comment
  UCR210428  Juncus bufonius R. G. Swinney 2008-11-29 9849 Los Angeles San Gabriel Mtns., mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  UC1605497  Juncus bufonius Tim Ross, Steve Boyd 1993-5-23 7241 Los Angeles on slope 435 m se of saddle between Ruby Canyon and Clearwater Canyon (Liebre Mts., lower e ridge of Red Mt., area on s side of Forest Service fire road); Liebre Mts., lower e ridge of Red Mt. 963 Comment
  RSA0091138  Juncus bufonius var. bufonius R. G. Swinney 2011-5-24 14829 Los Angeles to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1049 Comment
  RSA600304  Juncus bufonius var. bufonius L. C. Wheeler 1961-6-9 7846 Los Angeles Mouth of Alder Creek, off Big Tujunga Canyon 1051 Comment
  RSA0117700  Juncus bufonius var. congestus A. C. Sanders 2006-5-16 32332 Los Angeles Tehachapi Mtns. Foothills: Oso Canyon just above the National Cement Plant Rd., 0-0.25 mi. upstream, 1.5 miles NNE of Quail Lake. 991 Comment
  POM209996  Juncus ensifolius Victor Duran 1933-7-25 3531 Los Angeles San Gabriel Mtns: Buckhorn. 1981 Comment
  UCR223580  Juncus macrophyllus R. G. Swinney 2009-6-8 11070 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
  UCD141713  Juncus macrophyllus Henry J. Thompson 1959-5-31 2059 Los Angeles just east of junction of Latigo Canyon Road with Mulholland Highway. Santa Monica Mountains. 518 Comment
  RSA368129  Juncus mexicanus Anstruther Davidson 1920-07 s.n. Los Angeles Little Rock Creek. 1000 Comment
  RSA368130  Juncus mexicanus Anonymous 1978-6-21 1030 Los Angeles Hungry Valley, about 0.5 mile west of Gorman. 1220 Comment
  RSA368355  Juncus textilis L. E. Hoffman 1932-8-10 s.n. Los Angeles Verdugo Woodlands, Glendale. Comment
  POM1337  Juncus textilis I. M. Johnston 1916-11-26 s.n. Los Angeles Evey Canyon. 1143 Comment
  RSA624460  Juncus tiehmii L. C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mountains: Mill Canyon off Soledad Canyon. 732 Comment
  UCR126616  Juncus xiphioides A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27136 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  SEINET11787905  Juncus xiphioides S. M. Tracy, Evans 1887-1 s.n. Los Angeles Los Angeles Comment
  UCR125161  Juniperus californica A. C. Sanders, Mark Elvin 2002-6-18 25125 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  UC1922948  Juniperus californica Robert F. Thorne 1973-5-11 43569 Los Angeles SAN GABRIEL MTS., MOJAVE DESERT SLOPE: Along Mt. Emma Road, 1.9 mi W of Little Rock Creek below the dam. Comment
  CAS-BOT-BC235639  Keckiella breviflora var. breviflora Ernest C. Twisselmann 1959-6-2 5340 Los Angeles Old Ridge Route, 1 mile south of Sandberg's Lodge 1249 Comment
  OBI35687  Keckiella cordifolia Rebecca Cicoria 1982-4-25 54 Los Angeles Palos Verdes Peninsula: Lower Agua Magna Cyn, Rollig Hills Comment
  RSA608316  Keckiella cordifolia Louis C. Wheeler 1930-5-24 49 Los Angeles Santa Monica Mountains: Mandeville Canyon. Comment
  RSA649979  Keckiella cordifolia D. Bartholomew 1961-5-20 s.n. Los Angeles ~1/4 mile S. of San Antonio Dam, E. side of Rd., Mt. Baldy Rd., N of Upland. Comment
  UCSB9669  Keckiella cordifolia Wedberg, H. 1957-6-15 Los Angeles Seminole Hot Springs Comment
  UCSB9676  Keckiella cordifolia Haller, John 1950-5-29 Los Angeles Santa Monica Mtns; Mulholland Dr; above Sepulveda tunnel 396 Comment
  POM4266  Keckiella ternata subsp. ternata I. M. Johnston 1917-8-23 1676 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  RSA400468  Keckiella ternata subsp. ternata Christopher Davidson 1967-10-7 961 Los Angeles Mt. Baldy trail from Baldy Village, near Bear Flat. 1524 Comment
  CAS-BOT-BC238329  Keckiella ternata var. septentrionalis Carl B. Wolf 1927-7-27 685 Los Angeles Ridge Route Road 2 mi. so. of Forest Inn Comment
  LA200970  Kochia scoparia Carl Wishner; 1989-5-20 1660 Los Angeles 325.0 Comment
  RSA127915  Koeleria macrantha P. H. Raven, Henry J. Thompson 1959-5-5 14148 Los Angeles Mulholland Highway, 1 mile W of Las Virgenes Road; Malibu Creek drainage. 305 Comment
  RSA719733  Koeleria macrantha R. G. Swinney 1996-8-7 5215 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half of Brown's Flat 1317 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
  LA204719  Krascheninnikovia lanata A. M. Johnson; 1932-4-17 3964 Los Angeles N of Palmdale Comment
  RSA252884  Krascheninnikovia lanata R. F. Thorne 1973-5-11 43540 Los Angeles along Mt. Emma Road, 1/2 mi. E of Little Rock Creek below the dam 1049 Comment
  RSA670368  Krascheninnikovia lanata B. C. Templeton, H. J. Andrews 1938-6-22 1703 Los Angeles Mint Canyon Comment
  UCR217694  Lactuca serriola A. C. Sanders, Dan S. Cooper 2010-8-5 38544 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  LA105099  Lactuca serriola Barry A. Prigge; 1988-7-3 8160 Los Angeles Santa Monica Mountains, ca 0.2 mi E of jtn of Mulholland Hwy and Old Topanga Rd, across hwy from Calabasas High School 313 Comment
  RSA118798  Lactuca serriola S. Carlquist 1958-8-30 617 Los Angeles Weed in field, Foothill Blvd at W City limits of Claremont. Comment
  CAS-BOT-BC273829  Lamarckia aurea LeRoy Abrams 1903-4-9 3244 Los Angeles Inglewood Comment
  UC818673  Lamarckia aurea Ira W. Clokey, B. Templeton 1929-4-1 4512 Los Angeles Santa Monica Mountains, Mandeville Canyon Mandeville Canyon; Santa Monica Mountains, Mandeville Canyon 400 Comment
  UCR150708  Lamarckia aurea R. G. Swinney, Dave Larson 1999-5-15 7170 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  UCSB41985  Lamarckia aurea Corlett, David 1979-4-29 Los Angeles End of Trancas Canyon Road 91 Comment
  CDA5664  Lamium amplexicaule L. C. Wheeler 1973-4-9 s.n. Los Angeles Transverse Ranges; San Gabriel Mts. region; Millard Canyon, approximate forest service boundary 0 Comment
  UC520376  Lamium amplexicaule Louis C. Wheeler 1933-7-14 1937 Los Angeles near Rio Hondo; Potrero Chico 68 Comment
  SD236204  Lasthenia californica A. C. Sanders 2005-5-5 29939 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, west edge of Cruzan Mesa, north of Bench Mark Plum 671 Comment
  CAS-BOT-BC338130  Lasthenia californica Geo. B. Grant 1901-3-1 3663 Los Angeles Los Angeles Comment
  UC2061409  Lasthenia gracilis Rachael L. Olliff Yang with Ellery Mayence, Ana Penny, Lynn Yamashita, Bridget Wessa 2017-4-17 6 Los Angeles Tejon Ranch. Mojave Side. In the Garden District, on a hillside mixed in with Chaenactis glabriuscula. Comment
  UCR153576  Lasthenia gracilis A. C. Sanders, T. B. Salvato 2005-4-26 29714 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
  RSA0094549  Lathyrus vestitus Richard G. Swinney 2011-6-6 15000 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  OBI13243  Lathyrus vestitus var. vestitus Bill Arbaugh 1966-3-27 49 Los Angeles Cold Canyon rd, Santa Monica Mts Comment
  UC212328  Lathyrus vestitus var. vestitus S. B. Parish 1919-4-19 19259 Los Angeles near San Dimas; Lone Hill Comment
  RSA0119587  Lathyrus vestitus var. vestitus Lyman Benson 1945-4-13 11664 Los Angeles Little Dalton Canyon, Glendora. Mt. Range: San Gabriel. Drainage Area: Pacific Slope. 366 Comment
  RSA329665  Lathyrus vestitus var. vestitus Gary D. Wallace 1966-3-25 230 Los Angeles San Gabriel Mountains: Millard Canyon north of Pasadena. 915 Comment
  POM361655  Layia glandulosa Anstruther Davidson 1895-05 2024 Los Angeles Manzana. Comment
  UCD168225  Layia glandulosa J. W. Barry 1980-5-1 s.n. Los Angeles Hungry Valley SVRA. (Exact location unknown. This park is mostly in Los Angeles county, but also includes parts of Ventura and Kern counties. Coordinates estimated by the label maker.) Comment
  RSA588069  Layia glandulosa Orlando Mistretta 1994-4-15 1058 Los Angeles Santiago Canyon: W slopes of drainage near confluence with Little Rock Creek. 1159 Comment
  CAS-BOT-BC380223  Layia platyglossa Le Roy Abrams 1901-4-6 1386 Los Angeles Big Tujunga Wash Comment
  SEINET11811315  Layia platyglossa J. F. Bright, Wyman, C. 1933-1 8366 Los Angeles San Fernando Valley Comment
  UCD134001  Layia platyglossa Geoffrey Levin 1974-4-26 30 Los Angeles Wash (Blanchard Park), Alluvial Fan of Mt. San Antonio, San Gabriel Mountains; Pomona College, Claremont. Draninage Area: Santa Ana River, Pacific slope. 335 Comment
  RSA161324  Layia platyglossa subsp. campestris Peter H. Raven 1962-5-21 17816 Los Angeles Santa Catalina Island: lower end of Bullrush Canyon 198 Comment
  UC2026499  Lemna cyclostasa Louis C. Wheeler 1932-8-28 1301 Los Angeles Puddingstone Dam, San Jose Hills Comment
  CATA1067  Lepechinia fragrans Mark L. Hoefs 1995-5-16 2007 Los Angeles Santa Catalina Island: Near Airport Road, just past road to Black Jack Campground 454 Comment
  RSA97668  Lepechinia fragrans R. M. Straw 1954-6-16 612 Los Angeles 0.5 mi. above ranger station, on old road in chaparral; Angeles Crest Hwy, San Gabriel Mountains. Comment
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Dec 11 2014
  UC1536951  Lepidium flavum Gordon H. True Jr. 1935-3-5 50 Los Angeles side of Big Rock Creek Wash Lovejoy Butte 853 Comment
  RSA429610  Lepidium lasiocarpum Jack Rempel 1932-3-6 15214 Los Angeles El Segundo Comment
  RSA4828  Lepidium lasiocarpum James Snow s.n. Los Angeles Plants of the Bryant Ranch, near Long Beach. Station #1, Plant #1 Comment
  RSA177869  Lepidium nitidum var. howellii R. F. Thorne, P. Everett 1965-5-11 34594 a Los Angeles Santa Catalina Island. N side of N cove of Little Harbor. 5 Comment
  UC1536952  Lepidium perfoliatum Gordon H. True Jr. 1935-4-19 568 Los Angeles Lovejoy Butte 853 Comment
  UC212643  Lepidium perfoliatum Marjorie Shaw, Edna Spaulding, and Mrs. C. L. Walton Apr 6 1917-Apr 8 1917 988 Los Angeles Antelope Valley Mojave Desert Comment
  RSA0107829  Lepidium strictum Steven A. Junak 2000-5-19 SCa- 1308 Los Angeles Santa Catalina Island. Along road on SE side of Echo Lake. 390 Comment
  JEPS53774  Lepidium virginicum Frank W. Peirson 1918-11-2 298 Los Angeles Mt. Wilson Summit San Gabriel Mountains 1767 Comment
  UC56737  Lepidium virginicum var. pubescens Geo. B. Grant 3469 Los Angeles Pasadena Comment
  RSA65794  Lepidium virginicum var. pubescens F. W. Peirson 1919-3-1 674 Los Angeles Altadena. Comment
  POM94304  Lepidium virginicum var. robinsonii Marcus E. Jones 1926-3-16 s.n. Los Angeles Pomona Comment
  POM361766  Lepidospartum squamatum Geo C. Johnstone 1927-10-30 s.n. Los Angeles upper part of Big Tujunga Canyon Comment
  SBBG97109  Leptochloa panicea subsp. brachiata C. F. Smith 1957-8-27 Los Angeles Canoga Park (7354 Maynard Ave) Comment
  UC714905  Leptodactylon californicum R. C. Foster 1937-6-2 327 Los Angeles Evey Canyon ne Claremont (foothills of San Gabriel Mts.); , Evey Canyon Comment
  UCSB31348  Leptosiphon bicolor Parker, V. 1974-3-27 Los Angeles Hill above and behind USC Santa Catalina Marine Station, Fisherman's Cove; Catalina Is. 304 Comment
  RSA0120151  Leptosiphon breviculus R. G. Swinney 2014-4-30 16290 Los Angeles San Gabriel Mountains; 3.8-4.0 miles s. of Hwy. 138 on w. side of Largo Vista Road to ridge, c. 100 meters to the west. 1387 Comment
  RSA590846  Leptosiphon breviculus T. S. Ross, S. D. Boyd 1990-5-17 2565 Los Angeles Little Gleason Forestry Plantation: north of Mt Gleason Road about the east headwaters of Gleason Canyon and about 2 (air) miles E of Mt Gleason summit. 1682 Comment
  RSA710781  Leptosiphon breviculus LeRoy Gross 2005-4-28 2138 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  UCR271582  Leptosiphon breviculus R. G. Swinney 2011-5-19 14767 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned 'Millie's Apple Orchard 912 Comment
  RSA0034182  Leptosiphon liniflorus Pam De Vries 2013-4-13 7849 Los Angeles About 0.50 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Rd. 1050 Comment
  UCR223239  Lessingia filaginifolia R. G. Swinney 2009-7-23 11376 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
  SBBG125871  Lessingia glandulifera var. glandulifera A. Parikh, N. Gale 2010-6-10 3273 Los Angeles Sierra Pelona, NW of Vincent and Soledad Pass, 2.8 km NW of State Hwy 14; E Liebre Mtns 1106 Comment
  RSA749855  Leucaena leucocephala A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36978 Los Angeles 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
  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
  UCR97800  Limonium sinuatum Scott D. White 1997-3-12 4759 Los Angeles Pacific Coast, Zuma Beach, mouth of Zuma Creek, E end of the County Beach. 8 Comment
  CAS-BOT-BC520321  Limosella acaulis R. G. Swinney 2010-9-13 13803 Los Angeles San Gabriel Mountains, Crystal Lake, within 100 m of shoreline 1690 Comment
  SD90331  Limosella acaulis Robert F. Thorne, J. Dourley 1967-10-10 37340 Los Angeles San Gabriel Mts., Angeles National Forest: Jackson Lake, west end 1867 Comment
  RSA252907  Linanthus aureus R. F. Thorne 1973-5-11 43567 Los Angeles Along Mt. Emma Road: 1.9 mi W of Little Rock Creek below the dam. 1159 Comment
  RSA156541  Linanthus californicus L. R. Abrams 1902-7-1 2624 Los Angeles Little Santa Anita Canyon, San Gabriel Mountains. Comment
  RSA679890  Linanthus concinnus LeRoy Gross 2003-6-7 999 Los Angeles From Three Points (off Angeles Crest Highway) east to spring on the south side of Mt. Waterman, north end of the San Gabriel Wilderness area. 1951 Comment
  UC963808  Linanthus concinnus Herbert L. Mason 1934-3-30 8035 Los Angeles s of Valyermo (Rock Creek, n side of San Gabriel Mountains); San Gabriel Mountains, Rock Creek Comment
  SBBG64561  Linanthus dianthiflorus M. N. Ackley -Mar-1927 832 Los Angeles Baldwin Hills 76 Comment
  SDSU3181  Linanthus dianthiflorus A. H. Gallup 1949-3-18 347 Los Angeles Claremont - open fields on Amherst Avenue. 366 Comment
  UCR191293  Linanthus dichotomus T. B. Salvato 2008-4-22 3308 Los Angeles Transverse Range; Northwestern San Gabriel Mountain Foothills/Mojave Desert, east of Neenach in the Antelope Valley, south of Hwy 138 and west of 265th Street, slopes west of Pine Canyon 1006 Comment
  RSA122124  Linanthus dichotomus subsp. dichotomus A. D. Gifford 1935-3-25 501 Los Angeles 5 1/4 miles North Est of Sawmill Pk. 915 Comment
  RSA708873  Linanthus liniflorus Scott D. White, Andrea Warniment 2005-9-9 11215 Los Angeles Tehachapi Mountains: Oso Canyon, ca. 1-2 air miles N. of Quail Lake. 1006 Comment
  JEPS116927  Linanthus liniflorus David Gowen 2008-4-30 882 Los Angeles Southwest corner of Avenue D (Hwy 138) and 210th St. West. Comment
  UC106809  Linanthus parviflorus Brandegee Los Angeles Saugus Comment
  RSA535288  Linaria canadensis var. texana Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5343 Los Angeles San Clemente Island: un-named knoll ca 5500 ft. S of Wilson Cove Settlement; westerly slope 2500 ft NW of the 750' BM. 186 Comment
  RSA787264  Liquidambar styraciflua R. G. Swinney 2009-4-13 10328 Los Angeles San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte. 184 Comment
  RSA729537  Lithophragma affine R. G. Swinney 1998-6-16 6973 Los Angeles San Gabriel Mtns.: c. 0.6 mi. north of Cow Canyon Saddle (Glendora Ridge Rd. at Cow Canyon Rd.) near trail to Lookout (Antonio) Mtn. 1524 Comment
  RSA527786  Lithophragma maximum Steve Boyd, Ross, Arnseth 1990-4-8 4350 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  SBBG108899  Lithophragma maximum S. A. Junak 1997-3-12 SCl 764 Los Angeles upper part of second cyn S of Camera Pad "Malo" 292 Comment
  POM4571  Lobelia dunnii var. serrata L. R. Abrams 1900-8-9 883 Los Angeles San Gabriel River Canyon, San Gabriel Mountains. Comment
  RSA650304  Lobelia erinus James B. Armstrong 1949-12-26 s.n. Los Angeles 294 Kendal Way, Covina. 182 Comment
  CAS-BOT-BC60187  Lobularia maritima John H. Thomas 1957-2-14 6483 Los Angeles Hills north of Eagle Rock, about 3-4 miles east of Pasadena. 304 Comment
  UCR108174  Lobularia maritima Jeanne Gural, V. Soza, M. E. Siqueiros D. 1997-3-8 22 Los Angeles Bernard Field Station [Claremont], of the Claremont Colleges, located on the NW corner of Mills Ave. and Foothill Blvd. 412 Comment
  CAS-BOT-BC60188  Lobularia maritima A. Davidson M. D. 1919-4-1 3317 Los Angeles Burlington Avenue. Comment
  RSA0089539  Loeflingia squarrosa Steve D. Boyd, Gary D. Wallace 2011-4-14 12313 Los Angeles Transverse Ranges; Liebre/San Gabriel Mountains region: Acton Wash ca. 3km east of junction of Soledad Cnayon Road and Crown Valley Road. 829 Comment
  RSA578660  Loeseliastrum matthewsii T. S. Ross, J. Mark Porter 1994-5-1 7598 Los Angeles Open desert ca. 1870m SW of Three Sisters buttes, along Black Butte Basin Road. 961 Comment
  RSA680165  Loeseliastrum matthewsii Scott D. White 2003-6-8 9519 Los Angeles Near Lake Los Angeles. North of Avenue O and east of 150th St. E. 802 Comment
  SBBG108960  Logfia filaginoides S. A. Junak 1997-3-13 SCl 782 Los Angeles SE side of small gully on ridge between 2 forks of first cyn S of Mosquito Cyn 304 Comment
  SFV3917  Logfia filaginoides R. L. Armacost 1959-6-2 1172 Los Angeles Santa Monica Mountains Mulholland Drive. Comment
  RSA133256  Lolium temulentum P. H. Raven 1959-5-3 14075 Los Angeles Santa Monica Mountains. Mulholland Drive near head of Franklin Canyon, (34?N; 118-119?W) 381 Comment
  SBBG44469  Lomatium dasycarpum R. Hoffmann 1931-5-3 Los Angeles 3 mi E of Elizabeth Lake Comment
  RSA599500  Lomatium dasycarpum subsp. dasycarpum Steve Boyd, Lauren Raz 1997-3-26 9325 Los Angeles Liebre Mountains region: Portal Ridge north of Lake Hughes, upper end of Myrick Canyon drainage along Lakeview Road. 1097 Comment
  RSA641295  Lomatium dissectum var. multifidum Orlando Mistretta, R. T. Hawke 1995-6-29 1858 Los Angeles Blue Ridge Trail, ca 1/4 mile from trail lead at Pines., Near 34 22 543 N 117 41 540 W. 2072 Comment
  CAS-BOT-BC211159  Lomatium insulare Dr. Barton W. Evermann 1918-3-25 s.n. Los Angeles San Clemente Isl. Comment
  CAS-BOT-BC240752  Lonicera interrupta Timothy S. Ross; Steve Boyd 1994-6-22 8013 Los Angeles Liebre Mountains. Warm Springs Canyon: 0.5 road mi W of Lake Hughes Road along Forest Service road 6N32 658 Comment
  LA94328  Lonicera subspicata var. denudata C. L. Hogue; 1954-5-20 sn Los Angeles Santa Monica Mountains, Off Mulholland Dr 457 Comment
  UCR23218  Lotus argophyllus Polly Schiffman 1981-5-23 024 Los Angeles Angeles National Forest, San Gabriel Mtns: 0.5 mi north of Red Box Ranger Station and 20 mi north of La Canada-Flintridge on Angeles Crest Hwy 1601 Comment
  RSA406761  Lotus argophyllus subsp. ornithopus M. B. Dunkle 1939-11-24 7350 Los Angeles San Clemente Island: Pyramid Cove Comment
  UC126744  Lotus argophyllus var. argenteus I. J. Condit 1908-6-27 12 Los Angeles Santa Catalina Island Comment
  RSA0003343  Lotus argophyllus var. argenteus M. B. Dunkle 1939-4-5 7273 Los Angeles Pyramid Cove, San Clemente Island. Comment
  RSA724433  Lotus argophyllus var. argophyllus K. Dobry 1990-3-25 118 Los Angeles Simi Hills at Dayton Canyon Comment
  RSA167834  Lotus argophyllus var. ornithopus R. F. Thorne, P. C. Everett 1964-2-6 33279 Los Angeles Santa Catalina Island, W of Catalina Harbor at Isthmus. 15 Comment
  RSA406757  Lotus argophyllus var. ornithopus Anonymous 1906-07 s.n. Los Angeles Santa Catalina Island Comment
  CATA1376  Lotus corniculatus Mark L. Hoefs, Robert F. Thorne, Janet Takara, Misty Gay 1995-7-27 2498 Los Angeles Santa Catalina Island: Upper Bulrush Reservoir 292 Comment
  RSA406098  Lotus crassifolius var. crassifolius B. C. Templeton 1932-6-19 4939 Los Angeles Big Pines Park, San Gabriel Mountains. 2091 Comment
  UC33440  Lotus dendroideus var. dendroideus Dr. A. A. Davidson Los Angeles Santa Catalina Island Comment
  RSA139170  Lotus dendroideus var. traskiae Reid V. Moran 1958-9-15 6841 Los Angeles San Clemente Island, slope above Wilsons Cove. 50 Comment
  NY37284  Lotus dendroideus var. traskiae T. S. Ross 1992-4-14 6174 Los Angeles This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SFV16883  Lotus heermannii var. heermannii J. N. Hogue, B. Houck, B. Kanno 1997-6-18 84 .6 Los Angeles San Gabriel Mountains Gleason Canyon, near Mount Gleason. Roadside. 1700 Comment
  RSA595808  Lotus oblongifolius var. oblongifolius Lauren Raz, S. D. Boyd 1996-10-23 043 Los Angeles Liebre Mountains. Ruby Canyon, east of junction of Forest Service Road 6N24 with Lake Hughes Road. Following easterly course of flowing stream. 609 Comment
  UCR217137  Lotus purshianus Jonas A. Winbolt, Rocky Brown 2010-8-20 008 Los Angeles Western Transverse Range, south of Santa Clarita, north side of Hwy I-5 and the Old Road, southeast of trailer park along powerline corridor 956 Comment
  RSA0084932  Lotus salsuginosus R. G. Swinney 2010-3-10 11814 Los Angeles NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 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
  RSA781214  Lotus salsuginosus R. G. Swinney 2009-3-31 10224 Los Angeles mouth of San Gabriel Canyon, 1.2 mi. north of Foothill Blvd, Azusa/Duarte 183 Comment
  IRVC26936  Lotus scoparius A. C. Sanders 2003-4-28 26087 Los Angeles Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon Western San Gabriel Mtns. 427 Comment
  UCR277194  Lotus scoparius subsp. scoparius R. G. Swinney 2010-5-25 12951 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA664088  Lotus scoparius var. scoparius Marianne Marshall 1981-5-29 24 Los Angeles Ca. Hwy 39, 4.7 mi. N of junction w/ Sierra Madre Ave. N of Azusa. 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
  CAS-BOT-BC173167  Lotus strigosus Timothy S. Ross; Steve Boyd 1994-5-4 7622 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 1075 Comment
  RSA406308  Lotus strigosus Fay A. MacFadden 1931-4-10 2631 Los Angeles Tujunga Canyon Comment
  RSA498746  Lotus strigosus Amelia Eatherton 1930-05 s.n. Los Angeles Griffith Park. Comment
  UC1595394  Lotus strigosus Tim Ross and Peter Fritsch 1990-6-20 3678 Los Angeles ridgetop between West Fork San Gabriel River and Roberts Canyon (Rincon-Red Box Rd (2N24)); San Gabriel Mountains 1328 Comment
  RSA0106882  Lotus strigosus Steven A. Junak, Mark Hoefs, Keri Kirkland, Lisa Stratton 1998-5-2 SCa- 640 Los Angeles Santa Catalina Island. S of road to East Peak, on ridge SW of Peak 1245, ca. 0.9 air miles WNW of East Peak. 256 Comment
  UCR228137  Lotus strigosus var. strigosus R. F. Thorne 1966-4-6 35891 Los Angeles Channel Islands, Santa Catalina Island, ridge between White and Moonstone Coves 15 Comment
  RSA155865  Lotus strigosus var. strigosus P. H. Raven 1962-5-8 17600 Los Angeles near mouth of canyon at south end of Seal Cove, San Clemente Island 23 Comment
  SBBG68954  Lupinus albifrons var. albifrons R. Hoffmann 1925-5-15 Los Angeles Mint Cyn Comment
  SBBG71250  Lupinus bicolor R. Hoffmann 1927-6-14 Los Angeles Chandler's Comment
  SEINET7063474 Image available Lupinus bicolor A. G. Vestal 1947-4-2 s.n. Los Angeles Puenta Hill. UTM Zone 11, 426531mE, 3763984mN. (WGS84/NAD83). 309 Comment
  SFV4363  Lupinus bicolor D. B. Dunn 1941-3-22 860 Los Angeles San Fernando Valley Sepulveda Blvd near San Fernando Reservoir. Comment
  RSA549543  Lupinus bicolor subsp. microphyllus T. S. Ross 1992-4-27 6247 Los Angeles Claremont: S side of Indian Hill mesa, SW of RSA grounds 393 Comment
  RSA652740  Lupinus bicolor subsp. microphyllus P. A. Hall 1948-4-16 6 Los Angeles Found growing in alley running parallel to Shamrock St. in Monrovia 213 Comment
  RSA407130  Lupinus chamissonis E. A. Purer 1931-3-19 s.n. Los Angeles El Segundo. Comment
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Nov 21 2019
  RSA621304  Lupinus concinnus L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 Comment
  RSA659951  Lupinus concinnus Orlando Mistretta 1992-5-18 347 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  UC565974  Lupinus concinnus A. D. Gifford 1935-3-31 536 Los Angeles 4 1/2 mi nw Redrock Mountain; Tejon Quadrangle Comment
  UC127558  Lupinus concinnus J. Burtt Davy May 9 1896-May 24 1896 2495 Los Angeles Richardson's Canyon Antelope Valley (Antelope Valley); , Richardson's Canyon Comment
  JEPS22760  Lupinus elatus Rimo Bacigalupi with Reino Alava 1958-7-20 6414 Los Angeles on Angeles Crest Highway between Mt. Islip and Mt. Williamson (at Islip Saddle); San Gabriel Mountains, Angeles Crest Highway 2118 Comment
  SEINET10450541  Lupinus elatus Robert F. Thorne 1971-8-25 Thorne 41324 Los Angeles San Gabriel Mts., Angeles National Forest: Near Windy Spring on N slope of Mt. Islip in yellow pine forest. 2256 Comment
  SEINET4035773  Lupinus excubitus R. Moran 1941-1 704 Los Angeles Mouth of Hermit Gulch, Santa Catalina Island. 50 Comment
  SEINET10490382  Lupinus excubitus subsp. austromontanus Lyman D. Benson 1963-5-3 Benson 16257 Los Angeles Tejon ranch, 1 mile e of state route 138 and us99 near gorman; pacific slope, Granitic soil; pacific grassland; s slope; tehachapi mt. Range 1219 Comment
  RSA746869  Lupinus excubitus var. austromontanus Orlando Mistretta 1992-8-20 s.n. Los Angeles Transverse Ranges; San Gabriel Mtns Region: Mt. Gleason. Tujunga Ranger District. Comment
  CAS-BOT-BC216535  Lupinus excubitus var. johnstonii Timothy S. Ross; et al 1990-6-25 3832 Los Angeles Ridgetop W of Crystal Lake (ridge descending SSW from Mount Islip): Crystal Lake USGS 7.5' 2036 Comment
  CAS-BOT-BC216548  Lupinus excubitus var. johnstonii A. D. E. Elmer 1902-6-1 3723 Los Angeles Acton, Mount Gleason Comment
  SEINET7063091 Image available Lupinus formosus A. G. Vestal 1963-5-22 s.n. Los Angeles San Gabriel Mountains southeast of Bobs Gap on Big Pines Road. UTM Zone 11, 428035mE, 3808604mN. (WGS84/NAD83). 1571 Comment
  RSA0092231  Lupinus formosus var. formosus R. G. Swinney 2011-5-12 14718 Los Angeles San Gabriel Mountains: Aliso Canyon Creek, 50-100 m west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy, west of mouth of Cabin Canyon Creek. West side of creek. 1183 Comment
  POM2546  Lupinus formosus var. formosus D. W. Sturges 1916-6-2 s.n. Los Angeles San Antonio Mt 1555 Comment
  RSA413626  Lupinus formosus var. formosus George R. Johnston 1918-4-28 13752 Los Angeles Canyon north of Big Pine. 1524 Comment
  RSA657450  Lupinus formosus var. formosus C. Schapiro 1979-5-28 29 Los Angeles Verdugo Mountains: On fire road at intersection of Haines Canyon Road and Day St., Tujunga 671 Comment
  SD66860  Lupinus guadalupensis R. Mitchel Beauchamp 1967-3-18 262 Los Angeles San Clemente Island, on grassy slope east of Bluff Comment
  SBBG131803  Lupinus guadalupensis S. A. Junak, B. Collins 1991-4-24 SCI 192 Los Angeles W side of W Shore Rd, at end of rd 36 Comment
  OBI28075  Lupinus hirsutissimus David J. Keil 1977-4-30 12307 Los Angeles Ridge Rte, ca 5 mi S of jctn with Los Angeles Co. rd N-2 Comment
  RSA413670  Lupinus hirsutissimus Geo. L. Moxley 1917-4-3 236 Los Angeles Hills near Chatsworth. Comment
  UCD107947  Lupinus hirsutissimus K. Todd 1997-4-18 17 Los Angeles Rocky Peak Trail, approx. 200 yds. From Rocky Peak exit on the 118 fwy. 213 Comment
  RSA17556  Lupinus latifolius subsp. parishii C. B. Wolf 1936-5-27 7846 Los Angeles Indian Canyon Camp, 2 miles off Soledad Canyon 915 Comment
  CAS-BOT-BC211698  Lupinus longifolius Charlotte Hoak 1947-4-26 11701 Los Angeles Montrose, near La Canada Comment
  LA200478  Lupinus longifolius A. M. Johnson; 1932-5-30 4082 Los Angeles SANTA MONICA MOUNTAINS, Brent's Mountain, Crag's Camp. Comment
  POM199531  Lupinus longifolius I. W. Clokey, Bonnie C. Templeton 1929-05 4560 Los Angeles Mandeville canyon, Santa Monica Mountains. 250 Comment
  RSA3239  Lupinus longifolius Carl B. Wolf 1931-6-25 2243 Los Angeles Along Beverly Blvd., on grade leading down into Santa Monica Canyon. 46 Comment
  UC201986  Lupinus longifolius Crawford and Hiatt 1916-3-28 703 Los Angeles foothills near Santa Monica Comment
  UC527212  Lupinus longifolius C. B. Wolf 1931-5-14 2053 Los Angeles along Beverly Blvd. w Los Angeles Botanic Garden; w of Los Angeles Botanic Garden 121 Comment
  UCR240250  Lupinus longifolius Dan S. Cooper 2012-2-14 212- 12 Los Angeles Los Angeles Basin, open area between Allesandro St. and Peru St., near intersection of the 2 & I-5 freeways 163 Comment
  UCR282586  Lupinus longifolius Dan S. Cooper 2017-4-21 417- 28 Los Angeles Montemalaga Dr., Palos Verdes 236 Comment
  UCR153323  Lupinus microcarpus A. C. Sanders, T. B. Salvato 2005-4-26 29735 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, spur at NE end of Cruzan Mesa, south of Vasquez Canyon road, near powerlines 610 Comment
  RSA593189  Lupinus microcarpus var. densiflorus L. C. Wheeler 1967-5-8 9299 Los Angeles Liebre Mountains. Foothills northeast of Saugus. 381 Comment
  RSA250405  Lupinus peirsonii Lee W. Lenz 1968-6-11 37790 Los Angeles Angeles National Forest; along Angeles Crest W of Mt. Baden-Powell, N slope of San Gabriel Mtns 2287 Comment
  OBI48717  Lupinus sparsiflorus Joseph Andorfer Ewan April1933 10909 Los Angeles Higgins cyn, Santa Monica Mts 457 Comment
  RSA756962  Lupinus sparsiflorus Orlando Mistretta, Christine Mistretta 2008-4-14 2449 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 18 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1240 Comment
  SD186212  Lupinus sparsiflorus A. C. Sanders, Andy Thompson 2003-4-15 26007 Los Angeles Newhall Ranch, south edge of Magic Mountain theme park. 366 Comment
  UCR182110  Lupinus sparsiflorus R. G. Swinney 1998-4-14 5987 Los Angeles San Gabriel Mtns./Southern Mojave Desert, Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands 1299 Comment
  RSA628865  Lupinus sparsiflorus subsp. sparsiflorus L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 Comment
  UC1930005  Lupinus sparsiflorus subsp. sparsiflorus V. Soza, LeRoy Gross 2002-4-3 1373 Los Angeles Transverse Ranges; Liebre Mountains region; West side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. 518 Comment
  CATA24  Lupinus succulentus Mark L. Hoefs, A. Douglas Propst 1973-3-3 9 Los Angeles Santa Catalina Island: Airport Road above White's Landing, channel slope, north exposure 335 Comment
  SBBG38735  Lupinus succulentus M. B. Dunkle 1939-4-5 7279 Los Angeles Pyramid Cove Comment
  RSA414299  Lupinus succulentus M. B. Dunkle 1939-4-5 7279 Los Angeles Pyramid Cove, San Clemente Island. Comment
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Jul 27 2016
  RSA294749  Lupinus truncatus Lyman Benson 1945-4-13 11668 Los Angeles Little Dalton Canyon, Glendora. Drainage area Pacific slope 365 Comment
  SBBG98484  Lupinus truncatus T. Ross 1991-5-23 5479 Los Angeles mouth of Tota Cyn 4 Comment
  UC1129729  Lupinus truncatus A. D. Gifford 1935-3-15 467 Los Angeles 2 mi from mouth of Elizabeth Lake Canyon; Elizabeth Lake Canyon 426 Comment
  UCR192963  Lupinus truncatus Dan S. Cooper 2008-3-20 s.n. Los Angeles Los Angeles Basin, north end of Thomas St., El Sereno, Los Angeles 220 Comment
  SEINET10489079  Lupinus truncatus Cromwell 1971-4-16 CROMWELL 516 Los Angeles East-facing bank, about 2 mi above creek bed, on soil ledge. Occasional. Mystic canyon, angeles national forest, san gabriel mtns. 2 Mi ne of glendora, California. Comment
  RSA228960  Luzula comosa var. laxa Robert F. Thorne 1971-8-25 41310 Los Angeles San Gabriel Mountains, Angeles National Forest: At Windy Spring on N slope of Mt. Islip. 2256 Comment
  RSA250706  Lycium cooperi Robert F. Thorne, J. P. Simon, John Dourley, H. Caulfield 1970-5-1 39543 Los Angeles Along lower Big Rock Creek ca. 1 mi. S of Valyermo Station 1250 Comment
  RSA155823  Lyonothamnus floribundus subsp. floribundus Peter H. Raven 1962-5-21 17816 Los Angeles Santa Catalina Island: lower end of Bullrush Canyon. 198 Comment
  RSA479368  Lyonothamnus floribundus subsp. floribundus Mark Hoefs 1974-9-25 566 Los Angeles Santa Catalina Island. West fork of Gallagher's Canyon. 290 Comment
  RSA589870  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given, Gay, Fone 1994-8-3 8199 Los Angeles Santa Catalina Island. Upper ''Little Geiger'' first blue-line drainage W of Cherry Canyon and Lion Head (un-nnamed on topo map). 143 Comment
  UC1204713  Lyonothamnus floribundus subsp. floribundus Huron H. Smith 1912-7-4 5174 Los Angeles Swains Canyon St. Catalina Isl. 365 Comment
  UC218154  Lythrum californicum P. A. Munz, R. D. Harwood 1920-8-11 4387 Los Angeles 1 mi s of Claremont; Southern California 365 Comment
  UCR107242  Madia elegans subsp. densifolia R. G. Swinney 1994-8-23 3223 Los Angeles San Gabriel Mtns., San Gabriel Mtns, Mt. Baldy Rd on W shoulder, c. 0.25 mi SW of Mt. Baldy Rd junction w/ Glendora Mountain Rd. Comment
  RSA589170  Madia elegans subsp. densifolia Timothy S. Ross 1991-10-5 5992 Los Angeles Santa Monica Mtns: N slope of the range, S of Lake Eleanor along Decker Road 1 mile S of Los Angeles Ventura County line. 450 Comment
  CAS-BOT-BC512881  Maianthemum stellatum Robert F. Thorne 1969-7-2 38338 Los Angeles San Gabriel Mts., Angeles national Forest. c. 1.8 miles S of Dawson Saddle on Angeles Crest Hwy. (NW slope of Mt. Hawkins 2270 Comment
  CAS-BOT-BC206235  Malacothamnus fasciculatus Alice Eastwood 1919-7-4 9286 Los Angeles Santa Monica Canyon, Los Angeles 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
  UC198501  Malacothamnus marrubioides Katharine Brandegee Los Angeles Comment
  SBBG129309  Malacothrix clevelandii A. Parikh, N. Gale 2012-5-10 3591 Los Angeles W bank of W Fork San Gabriel River, just S of concrete river crossing 830 Comment
  IRVC27981  Malacothrix coulteri A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26112 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
  RSA150912  Malacothrix foliosa P. H. Raven 1962-5-8 17625 Los Angeles Near western shore of island, opposite Wilson Cove, San Clemente Island. 46 Comment
  UCR123816  Malacothrix glabrata Steven R. Hill, K. Kramer 2001-4-22 33391 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
  UCR124434  Malacothrix saxatilis I. W. Clokey, B. C. Templeton 1929-1 4550 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  UCR189930  Malacothrix saxatilis T. B. Salvato, Sandra Murcia 2007-10-18 3084 Los Angeles Western Transverse Range; Santa Monica Mtns., near Stunt's Ranch, north of Cold Creek and east of Mulholland Hwy 335 Comment
  RSA654328  Malacothrix saxatilis Benjamen Rangel 1992-5-17 777 -45 Los Angeles In the avocado orchard behind the dormitories at Cal Poly Pomona; found mostly in the back side of the orchard by the freeway fence and the water drainage. Comment
  CAS-BOT-BC347924  Malacothrix saxatilis var. tenuifolia Louis Wheeler 1932-10-7 1424 Los Angeles U.C.L.A. Campus, W Los Angeles 137 Comment
  CAS-BOT-BC347932  Malacothrix saxatilis var. tenuifolia L. R. Abrams 1900-8-1 s.n. Los Angeles Ballona Sand Hills Comment
  JEPS112932  Malacothrix saxatilis var. tenuifolia Dean W. Taylor 2002-4-30 18026 Los Angeles upper headwaters Haskell Canyon, Del Sur Ridge, Angeles National Forest 609 Comment
  POM362376  Malacothrix saxatilis var. tenuifolia Robert Gustafson 1980-7-9 1808 Los Angeles Ballona Wetlands, Area 3. Comment
  RSA0042340  Malacothrix saxatilis var. tenuifolia Pam De Vries 2013-5-20 7860 Los Angeles Tehachapi Mountains/Western Transverse Range (Gorman Hills). About 0.5 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Rd. 1036 Comment
  UC1536039  Malacothrix saxatilis var. tenuifolia Robert F. Thorne September 1973 44722 Los Angeles Blue Cavern Point Santa Catalina Island Comment
  POM362367  Malacothrix saxatilis var. tenuifolia N. C. Cooper 1949-6-24 4231 Los Angeles Los Padres National Forest. 457 Comment
  RSA386396  Malosma laurina F. R. Fosberg 1931-7-16 S- 5602 Los Angeles Gallagher s Canyon. Santa Catalina Island. 5 Comment
  SD66828  Malva assurgentiflora R. Mitchel Beauchamp 1967-3-18 318 Los Angeles In field south of Wilson Cove, San Clemente Island. Comment
  SFV20813  Malva nicaeensis L. Gross, N. Fraga 2002-4-4 521 Los Angeles Verdugo Mountains Southwest side. From saddle along main crest where the dirt roads of Verdugo Mountain Way and 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. 400 Comment
  RSA652803  Malva parviflora S. Koukol, E. Lutz 1998-4-26 20 Los Angeles Claremont, along E side of Indian Hill Blvd., 50 m S of Baseline Road. 424 Comment
  RSA596747  Malvella leprosa Louis C. Wheeler 1966-9-6 8865 Los Angeles San Gabriel Mountains. Little Rock Reservoir. Comment
  RSA440979  Marah macrocarpa Martha Hilend 1928-3-4 51 Los Angeles Santa Monica Mtns: N of Pacific Palisades. Comment
  RSA77637  Marah macrocarpa F. W. Peirson 1921-2-26 4507 Los Angeles Topango Canyon Divide. 488 Comment
  RSA33471  Marrubium vulgare T. A. Burch, B. E. Burch 1943-07 s.n. Los Angeles Redondo Beach. Palos Verdes Hills. Comment
  RSA651644  Marrubium vulgare C. J. Humphrey, Herbert Humphrey 1936-6-5 299 Los Angeles Along banks of stream in Mts. 90 miles north of Los Angeles. On Hgw 99. 610 Comment
  UC66831  Marrubium vulgare N. K. Berg 1904-3-29 Los Angeles Los Angeles Boyle Height Comment
  SEINET3148159  Matricaria discoidea G. B. Grant 1901-3-14 752 -3497 Los Angeles Pasadena Comment
  CAS-BOT-BC348126  Matricaria discoidea LeRoy Abrams 1902-5-31 2487 Los Angeles Along streets, Inglewood Comment
  UCD134577  Matricaria discoidea Geoffrey Levin 1974-5-31 193 Los Angeles Wash (Blanchard Park), Pomona College, Claremont. Santa Ana River drainage area. Alluvial fan of Mt. San Antonio (San Gabriel Mts.) 335 Comment
  SBBG122562  Meconella denticulata R. Burgess, B. Meiners, C. Davis, P. Munro 1999-4-16 3229 Los Angeles Canton Cyn, NE of Piru Lake, hills S of Canton Crk 335 Comment
  UCR155933  Medicago polymorpha A. C. Sanders 2005-5-5 29894 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool 655 Comment
  RSA258360  Medicago polymorpha C. W. Tilforth 1972-4-20 507 Los Angeles Screen House Comment
  SEINET11096139 Image available Medicago polymorpha G. B. Grant 1905-5-16 761 -6498 Los Angeles Garvanza Comment
  SDSU5049  Medicago sativa Gerald Collier 1951-4-7 3688 Los Angeles In middle of divided highway- U. S. 101 about 2 miles north of Malibu Beach. Comment
  SD241097  Melia azedarach R. G. Swinney 2009-3-19 10135 Los Angeles San Gabriel Mountains Foothills: Azusa, mouth of San Gabriel River Canyon, between I-210 Fwy and Foothill Blvd., west side of the river channel (Azusa 7.5'Q) 170 Comment
  CATA398  Melica imperfecta Mark L. Hoefs, A. Douglas Propst 1974-5-10 468 Los Angeles Santa Catalina Island: Upper Fern Canyon 335 Comment
  POM357030  Melica imperfecta F. R. Fosberg 1931-3-19 4307 Los Angeles Santa Catalina Island. Hamilton Canyon, near Avalon 10 Comment
  RSA0084869  Melica imperfecta R. G. Swinney 2010-5-4 12556 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  RSA151298  Melica imperfecta P. H. Raven 1962-4-9 17170 Los Angeles Near barracks, Wilson Cove, San Clemente Island 61 Comment
  RSA660786  Melica imperfecta J. Doughty 1985-5-19 187 Los Angeles Angeles National Forest, Graveyard Canyon, junction of San Gabriel Road and entrance to Follows Camp. 1 mile north of San Gabriel Road. Comment
  RSA771582  Melica imperfecta R. G. Swinney 2009-5-6 10661 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  UCR271250  Melica imperfecta R. G. Swinney 2011-6-1 14972 Los Angeles San Gabriel Mountains, north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes 1256 Comment
  RSA151280  Melilotus indicus Peter H. Raven 1962-4-9 17128 Los Angeles Wilson Cove, San Clemente Island. 61 Comment
  RSA0087310  Mentha suaveolens R. G. Swinney 2010-9-13 13828 Los Angeles C. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek. 1244 Comment
  SBBG119020  Mentzelia gracilenta G. D. Wallace with M. Wallace 1983-5-20 2078 Los Angeles Aliso Cyn rd between Acton and Angeles Forest hwy Comment
  RSA0015845  Mentzelia laevicaulis LeRoy Gross, Evan Meyer, Bart O Brien 2013-10-17 6205 Los Angeles Hansen Dam flood control basin, Big Tujunga wash, between foothill Blvd. and Wentworth street. West of the 210 freeway. Collected short distance east and west, just south of Orcas Park, off Orcas Ave. 315 Comment
  RSA0080740  Mentzelia micrantha R. G. Swinney 2010-4-23 12369 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  SBBG122601  Mentzelia micrantha R. Burgess, B. Neiners, C. Davis, P. Munro 1999-4-17 3236 Los Angeles Canton Cyn, NE of Lake Piru, N side of Canton Crk above second narrows 457 Comment
  OBI70984  Mentzelia veatchiana Steve Boyd, Lauren Raz 1997-4-16 9507 Los Angeles Liebre Mts Region: Lower Apple Cyn, due E of the confluence of Canada de Los Alamos (Lower Hungry Valley) and Peace Valley and I-5 853 Comment
  SBBG13173  Mesembryanthemum nodiflorum E. R. Blakley 1962-6-10 5215 Los Angeles Wilson Cove 9 Comment
  UC1713562  Mesembryanthemum nodiflorum L. R. Abrams and I. L. Wiggins 1931-7-6 367 Los Angeles vicinity of Mosquito Harbor (San Clemente Island); San Clemente Island Comment
  UCR107778  Micropus californicus var. californicus L. C. Wheeler 1968-5-15 s.n. Los Angeles San Gabriel Mtns, Spring Hill, San Antonio Canyon 1220 Comment
  RSA618700  Microseris douglasii subsp. douglasii Scott D. White, Sandy Leatherman 1998-5-19 6540 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, between 1-5 fwy./ Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  UCR153311  Microseris heterocarpa A. C. Sanders, T. B. Salvato 2005-4-26 29719 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, spur at NE end of Cruzan Mesa, south of Vasquez Canyon road, near powerlines 610 Comment
  UCR280550  Microseris lindleyi R. G. Swinney 2014-4-18 16133 Los Angeles San Gabriel Mountains, NE of Littlerock Dam, north end of Alimony Ridge, south side of Mt. Emma Rd., to 75 m south of road 976 Comment
  POM75321  Microsteris gracilis subsp. gracilis George B. Grant 1904-04 784 Los Angeles Lincoln Park. Comment
  UCR213953  Microsteris gracilis subsp. humilis Dave Silverman, Cindy Hopkins 2009-4-27 6779 Los Angeles Tejon Ranch, W of California Aqueduct, N of Oso Canyon, 1600m SE of National Cement and 1200m NE of Oso 3804 benchmark 1000 Comment
  RSA240673  Mimulus aurantiacus Donald R. Bissing 1973-6-2 99 Los Angeles San Gabriel Mountains, Evey Canyon, 0.3 mile from the canyon mouth 720 Comment
  RSA0045479  Mimulus aurantiacus Jami Liberi 1983-5-1 29 Los Angeles Located in Claremont, across the street from the San Antonio Dam. 640 Comment
  POM8131  Mimulus aurantiacus var. pubescens Fordyce Grinnell Jr. 1917-4-3 s.n. Los Angeles Hills near Chatsworth Park. Comment
  RSA273209  Mimulus aurantiacus var. pubescens Glenn A. Gorelick 1966-4-5 s.n. Los Angeles Along trail in sun, Ferndell Trail to Griffith Park Observatory, Griffith Park. Comment
  RSA439240  Mimulus aurantiacus var. pubescens Fordyce Grinnell Jr. 1910-04 s.n. Los Angeles San Rafael Hills, Pasadena. Comment
  RSA447921  Mimulus aurantiacus var. pubescens D. A. Young 1969-3-15 P- 440 Los Angeles 3 mi. NW of Chatsworth, CA S. of Hiway 118 on Santa Susana Rd. Southern Oak Wd. 293 Comment
  UC943859  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-10 1913 B Los Angeles e Whittier (near summit of grade); Turnbull Canyon Comment
  RSA439238  Mimulus aurantiacus var. pubescens Thekla Mohr s.n. Los Angeles Near Los Angeles Comment
  RSA442699  Mimulus aurantiacus var. puniceus Anstruther Davidson 1891-6-26 s.n. Los Angeles Santa Catalina Island Comment
  UC1871221  Mimulus aurantiacus var. puniceus T. Ross 1993-4-21 6840 Los Angeles Santa Catalina Island; major E-W ridge between "Carlos" and Cactus Pk 396 Comment
  UCR272687  Mimulus aurantiacus var. puniceus Steven A. Junak 2000-6-30 SCa 1361 Los Angeles Channel Islands, Santa Catalina Island, slope just west of summit of Mt. Torquemada and Triangulation Point 'well 2 402 Comment
  UCR263280  Mimulus brevipes Anuja Parikh, Nathan Gale 2012-5-9 3589 Los Angeles Transverse Range: San Gabriel Mountains, 0.8 km north of the West Fork San Gabriel River, 1.4 km east of Shortcut Canyon 1106 Comment
  LA35211  Mimulus brevipes Mary V. Hood; 1938-5-23 38- 10 Los Angeles SANTA MONICA MOUNTAINS, Beverly Hills. Comment
  RSA447913  Mimulus brevipes M. Bisbee 1917-5-12 s.n. Los Angeles Hills north side of Eagle Rock Valley Comment
  UCR186604  Mimulus cardinalis T. B. Salvato, Sarah Flack 2007-8-8 3032 Los Angeles San Gabriel Mountains, East Fork Road crossing over the north fork of the San Gabriel River, Islip Saddle 2043 Comment
  SEINET11262489  Mimulus cardinalis K. Dobry 1992-8-10 d 316 Los Angeles Santa Monica Mts. Cold Creek Cyn at Cold Creek Cyn Presv.; 0 Comment
  RSA0082409  Mimulus floribundus R. G. Swinney 2010-9-7 13723 Los Angeles NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks. 1768 Comment
  RSA602740  Mimulus floribundus Louis C. Wheeler 1967-7-15 10053 Los Angeles San Gabriel Mountains: Angeles National Forest: SW side Mt. Waterman. 2134 Comment
  UC1375440  Mimulus floribundus Gary D. Cromwell and David W. Wheat 1971-4-30 604 Los Angeles 2 mi ne Glendora (Mystic Canyon); San Gabriel Mtns., Angeles National Forest 426 Comment
  RSA295243  Mimulus fremontii J. Doty 1969-5-19 630 Los Angeles Bob's Gap Road, 3.7 miles southeast of its junction with State Highway 138, ca. 10 miles southeast of Pearblosssom. 1098 Comment
  JEPS86975  Mimulus fremontii var. fremontii David M. Thompson 1988-4-9 870 Los Angeles 3.2 mi s Hwy 132 (along Largo Vista Road (204th Street, Grandview Canyon Road), n side of mts.); San Gabriel Mts. 1280 Comment
  IRVC29016  Mimulus guttatus A. C. Sanders, Mark Elvin 2002-6-25 25293 Los Angeles Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 274 Comment
  SBBG31123  Mimulus guttatus R. F. Thorne 1966-4-29 36300 Los Angeles upper Middle Ranch Cyn 274 Comment
  SFV15507  Mimulus guttatus E. J. Spencer 1992-5-10 24 Los Angeles San Gabriel Mountains Elizabeth Lake Road just east of San Francisquito Canyon Road. 701 Comment
  UCR208214  Mimulus guttatus L. C. Wheeler 1932-6-12 819 Los Angeles Transverse Ranges; San Gabriel Mtns., San Dimas Canyon 534 Comment
  RSA158279  Mimulus guttatus Peter H. Raven 1962-4-12 17327 Los Angeles San Clemente Island: Wilson Cove 76 Comment
  RSA230683  Mimulus guttatus Robert F. Thorne, M. Z. Thorne 1969-7-9 38575 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Pines. 2073 Comment
  RSA251472  Mimulus guttatus Robert F. Thorne 1973-4-11 42837 Los Angeles San Clemente Island: plateau W of upper part of Norton Canyon. 396 Comment
  RSA229204  Mimulus johnstonii Robert F. Thorne, C. W. Tilforth 1971-6-30 40834 Los Angeles San Gabriel Mountains, Angeles National Forest: 3.3 miles below Alder Saddle along and above S Fork of Little Rock Creek. 1433 Comment
  UC103805  Mimulus parishii Dr. A. Davidson Los Angeles Rock Creek Mohave Desert Comment
  RSA749075  Mimulus pilosus R. G. Swinney 2005-8-11 8450 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  UCR162289  Mimulus pilosus Anuja Parikh, Nathan Gale 2004-6-2 2032 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
  RSA675024  Minuartia douglasii Scott D. White, Kent Hughes 2000-5-17 7871 Los Angeles San Gabriel Mts./Soledad Cyn.: Canyon bottom and adjacent steep N-facing slope. 579 Comment
  SBBG20578  Mirabilis californica E. R. Blakley 1963-12-7 6331 Los Angeles shallow cyn sloping to ocean, 200 ft N of Lighthouse, N of Pyramid Head 15 Comment
  POM307218  Mirabilis laevis var. villosa Henry J. Ramsey, Henry J. Ramsey 1937-6-24 2052 Los Angeles Big Pines, Palmdale Road. Comment
  RSA764515  Mirabilis multiflora var. pubescens Orlando Mistretta, Christine Mistretta 2008-5-3 2624 Los Angeles Southern California Edison transmission line tower (Segment 5, structure 31 per TRTP Survey 2008), in the vicinity of Portal Ridge, SE of Elizabeth Lake Rd. 958 Comment
  UCR149534  Monardella R. G. Swinney 1997-6-25 5646 Los Angeles San Gabriel Mtns., west of Wrightwood, Blue Ridge Trail, c. 1.3 mi. SE of Hwy 2 2256 Comment
  CAS-BOT-BC219890  Monardella breweri subsp. breweri Ernest Braunton 1903-6-1 897 Los Angeles Glendale to Burbank Comment
  RSA250383  Monardella cinerea Robert F. Thorne, DeBuhr 1972-8-18 42246 Los Angeles San Gabriel Mts; Angeles National Forest: open peak of Mt. Islip 2515 Comment
  RSA639145  Monardella lanceolata Louis C. Wheeler 1973-7-15 s.n. Los Angeles Doe Flat, Graveyard Canyon. 823 Comment
  LA84412  Monardella saxicola Rimo Bacigalupi; Reino Alava 1958-7-20 6419 Los Angeles San Gabriel Mountains, Angeles National Forest, N face of Kratka Ridge, upper slopes of Little Rock Creek Canyon, about 1 mi. W of Cedar Spring, Angeles Crest Highway 2072 Comment
  RSA615555  Mucronea californica LeRoy Gross 1998-5-15 13 Los Angeles San Gabriel Mtns: Big Tujunga Wash. East of 210 freeway ,west of Big Tujunga Canyon Road. 366 Comment
  CHSC99837  Mucronea perfoliata LeRoy Gross 2005-5-3 2216 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 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. T4N, 5N R9W, 10W S6, 1,31, NW1/4 of 6, NE1/4 of 1, SW1/4 of 31. 1119 Comment
  SBBG56961  Muhlenbergia asperifolia R. Hoffmann 1927-8-30 Los Angeles near Castaic Comment
  SBBG56962  Muhlenbergia asperifolia R. Hoffmann 1927-9-21 Los Angeles Gorman Comment
  CAS-BOT-BC275325  Muhlenbergia microsperma Le Roy Abrams 1901-4-1 1383 Los Angeles Monte Vista Comment
  SD90480  Muhlenbergia microsperma Robert F. Thorne 1973-4-11 42857 Los Angeles San Clemente Island: middle portion of Norton Canyon, canyon bottom 274 Comment
  UCSB428  Muhlenbergia rigens B., K. 1943-8-25 Los Angeles West Fork Road, San Dimas Canyon; San Dimas Experimental Forest, San Gabriel Mountains Comment
  SEINET3887499  Muilla maritima Timothy S. Ross, Steve Boyd 1994-5-25 7894 Los Angeles West Summit of Liebre Mountain: West Summit here construed as the rounded knoll 100 m S of the intersection of sections 3, 4, 9, & 10, Liebre Mtn 7.5' USGS Quadrangle.; 0 1684 Comment
  CAS-BOT-BC515095  Muilla maritima Geo. B. Grant 1905-4-20 803 Los Angeles Pasadena, southern California Comment
  CAS-BOT-BC327740  Munzothamnus blairii Steven A. Junak 1996-7-24 SCI- 650 Los Angeles San Clemente Island. Box Canyon, ca 1.2 miles inland from beach 228 Comment
  CAS-BOT-BC520316  Nassella lepida R. G. Swinney 2010-4-30 12471 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park,ridgetop S of the southern of the two eastern forks of Wilson Cyn., 0.45 mi E of Wilson Debris Basin along old motorway 548 Comment
  RSA660993  Nassella lepida LeRoy Gross 2001-5-28 413 Los Angeles Verdugo Mountains, northeast side; Start from dead end street Mesa Lila Road, in city of Verdugo City. 549 Comment
  CATA1299  Navarretia atractyloides Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2389 Los Angeles Santa Catalina Island: River bed just below upper Cape Canyon Reservoir 304 Comment
  SFV20883  Navarretia hamata subsp. hamata L. Gross, N. Fraga, B. Hogshead, A. Virgen 2003-6-19 1074 Los Angeles Verdugo Mountains North side of Verdugo Mountains south of Hostetter Motorway (on the Thomas Guide) just off La Tuna Canyon Road, south or and you can see the 210 Freeway. 556 Comment
  RSA776173  Nemacladus pinnatifidus Orlando Mistretta, Christine Mistretta 2010-6-16 5328 Los Angeles Transverse Ranges; San Gabriel Mts region: Upper Big Tujunga canyon; Lynx Gulch drainage 0.86 air miles NE of junction of Lynx Gulch Road with Upper Big Tujunga Canyon Road, along Southern California Edison transmission line corridor. 1175 Comment
  RSA587205  Nemacladus sigmoideus Orlando Mistretta, Christine Mistretta 1995-5-2 1660 Los Angeles San Gabriel Mountains, Carr Canyon. 1036 Comment
  RSA639035A  Nemacladus sigmoideus R. F. Thorne 1973-5-11 43524 Los Angeles San Gabriel Mts., Mojave Desert slope: Juniper Hills, c. 2 mi S of Ft. Tejon Road 1250 Comment
  UCR189392  Nemophila menziesii R. G. Swinney 1998-5-30 6157 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  SEINET5521005  Nemophila menziesii E. Braunton 166 Los Angeles Garvanza Comment
  RSA737478  Nicotiana attenuata Philip A. Munz 1921-6-18 4567 Los Angeles head of Sheep Creek (north slope of San Antonio Mountains) 1524 Comment
  CAS-BOT-BC231570  Nicotiana glauca Mrs. C. E. Miller 1918-6-10 s.n. Los Angeles Santa Catalina Island Comment
  CDA5790  Nicotiana glauca T. S. Ross 1991-4-8 4474 Los Angeles Elephant Hill, Western Pomona. Comment
  CLARK-A1528-5113  Nicotiana glauca John C. Roos 1942-9-20 1746 Los Angeles West Los Angeles Comment
  RSA0055783  Nicotiana glauca R. G. Swinney 2010-4-28 12430 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
  SD21283  Nicotiana glauca Norman E. Bilderback 1938-4-17 Los Angeles Santa Catalina Island, Avalon Comment
  CDA5799  Nicotiana quadrivalvis Phillipson 1915-6-2 Los Angeles Arcadia. Comment
  LA51852  Nicotiana quadrivalvis A. M. Johnson; 1932-5-30 4118 Los Angeles Santa Monica Mountains, Brent's Mountain, Crag's Camp 152 Comment
  SEINET12856150  Nicotiana quadrivalvis H. M. Hall 1905-1 300 Los Angeles plants collected from Botanical Gardens at UC Berkeley from seeds collected from San Francisquito Creek Comment
  SBBG53168  Nuttallanthus texanus S. A. Junak 1978-4-15 SCa 4 Los Angeles S side of upper Cherry Valley Comment
  SEINET6945571  Oenothera W. P. Vestal, A. G. Vestal 1955-3-26 3482 Los Angeles Antelope Valley, east of Fairmont on 110th Street. Comment
  CAS-BOT-BC167054  Oenothera californica E. E. Morse 1940-5-19 s.n. Los Angeles [Mohave] Mojave Desert between Palmdale & Piute Butte Comment
  JEPS43972  Oenothera elata subsp. hirsutissima Frank W. Peirson 1918-8-18 127 Los Angeles San Antonio Canyon San Gabriel Mts. 1341 Comment
  UCR206506  Oenothera laciniata A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36967 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  RSA768213  Oenothera rosea Justin M. Wood 2010-4-12 1461 Los Angeles City of Claremont: Metrolink train station, just W of College Ave. Comment
  CDA5204  Oenothera rosea G. C. Fleischman 1958-6-3 Los Angeles In African section of L.A. County Arboretum. 0 Comment
  RSA756915  Opuntia basilaris R. G. Swinney 2008-6-9 9017 Los Angeles Paradise Springs (Big Rock Creek Camp), 100 m west of campground on north bank of Big Rock Creek 1427 Comment
  RSA0078507  Opuntia basilaris var. basilaris Steve Boyd, Lauren Raz 1997-6-18 9976 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  SEINET10881682  Opuntia covillei var. piercei Joseph A. Ewan 1936-8-2 Ewan 9916 A Los Angeles San Gabriel Mts. Few scattered clumps on gravel bars in mid stream course. Mescal Creek. 1615 Comment
  POM317737  Opuntia littoralis David Walkington 1963-6-20 184 Los Angeles Southwest of Walnut Ave., just N of Puddingstone Rd., San Dimas. 305 Comment
  SEINET10947796  Opuntia littoralis LeRoy R. Abrams, Ernest A. McGregor 1908-7-2 Abrams 558 Los Angeles Rock Creek, desert slopes of the San Gabriel Mountains. 1158 Comment
  RSA661003  Opuntia vaseyi LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 402 Los Angeles Vedugo Mountains Region: Northwest side, just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek. City of Sun Valley. 290 Comment
  CDA32575  Orcuttia californica Margaret Bellue 1943-8-8 Los Angeles Southwestern Ave. -- old air field. 0 Comment
  NY9650  Orcuttia californica A. A. Beetle 1946-6-11 4678 Los Angeles This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA225883  Oreonana vestita R. F. Thorne, C. W. Tilforth, John Dourley 1971-7-27 41069 a Los Angeles San Gabriel Mountains, Angeles National Forest: west Baldy Peak on ridge running E toward Old Baldy (Mt. San Antonio) 3018 Comment
  RSA0013597  Orobanche bulbosa Orlando Mistretta, Christine Mistretta 2011-6-29 5776 Los Angeles Vicinity of Mt. Gleason. Along Mt. Gleason Road, E of summit. 1762 Comment
  RSA0059189  Orobanche bulbosa F. R. Fosberg 1931-4-23 S 4687 Los Angeles Santa Catalina Island. Headwaters of Swain Canyon. NE slope Black Jack Mt. 350 Comment
  UCSC000709  Orobanche bulbosa Jerome S. Horton 1935-6-21 185 Los Angeles Pomona, Tanbark Flat 823 Comment
  CATA1794  Orobanche parishii subsp. brachyloba Benjamin E. Carter, Tony Summers 2012-8-16 6978 Los Angeles Santa Catalina Island: Below Lasso Loop, between Ben Weston Point and China Point 80 Comment
  RSA659920  Orobanche parishii subsp. parishii Orlando Mistretta 1992-12-10 787 Los Angeles Mt. Gleason management unit. Angeles National Forest. Tujunga Ranger District. Comment
  SEINET11602262 Image available Osmadenia tenella G. B. Grant 1904-5-24 125 Los Angeles Pasadena Comment
  RSA0106748  Osmorhiza brachypoda R. G. Swinney 2011-5-3 14577 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  CATA2894  Osteospermum fruticosum Sara L. Crockett 1996-10-28 14 Los Angeles Santa Catalina Island: Casino, along walkway and perimeter of building 9 Comment
  RSA600735  Oxalis albicans subsp. californica Louis C. Wheeler 1955-4-30 7146 Los Angeles San Jose Hills: ca 1/2 mile north-weserly from Puddingstone Dam. Comment
  LA50661  Oxalis californica Carl Epling; L. Ellison 1929-3-30 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA127798  Oxalis corniculata Peter H. Raven, H. J. Thomson 1959-9-18 250 Los Angeles Santa Monica Blvd near Beverly Glen Blvd, W Los Angeles. 76 Comment
  UCSB3553  Oxalis pes-caprae Gill, Robert 1959-2-27 Los Angeles Pomona College campus, Claremont 365 Comment
  UCR94682  Oxytheca luteola A. C. Sanders, E. J. Lott 1993-5-6 13947 Los Angeles Western Mojave Desert, 12 miles north of Palmdale, Sierra Hwy at Ave 'G', to 0.1 mi. NW of intersection 706 Comment
  JEPS37244  Packera ionophylla F. W. Peirson 1919-6-14 475 Los Angeles Rock Creek Canyon San Gabriel Mts. 1752 Comment
  RSA473022  Packera ionophylla Robert Gustafson 1983-7-18 2781 Los Angeles San Gabriel Mountains, Angeles Crest Highway, Pine Hollow 2134 Comment
  LA50668  Paeonia californica A. H. Lange; 1951-4-2 sn Los Angeles Santa Monica Mountains, Griffith Park Comment
  UC56682  Paeonia californica Ernest Braunton 1903-1-5 787 Los Angeles Eaton Canyon Comment
  RSA653700  Papaver californicum Valerie L. Soza, Laura Moore 2000-5-10 857 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines to peak ''1936''. 579 Comment
  CDA2137  Parapholis incurva T. S. Ross 1992-4-14 6183 Los Angeles San Clemente Island. Lemon Tank Road, ca. 25 m east-southeast of its intersection with the main north-south island road. Comment
  SD90563  Parapholis incurva Robert F. Thorne 1973-4-12 42887 Los Angeles San Clemente Island; plateau near Cutlass above old dam, flat grassland 198 Comment
  UCR217281  Parietaria hespera var. californica R. G. Swinney 2009-3-10 10075 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  UC1587737  Parietaria hespera var. hespera Tim Ross 1991-4-21 4500 Los Angeles near mouth of Turnbull Canyon (Turnbull Canyon drainage); Whittier Hills (Puente Hills, pro parte) 153 Comment
  POM18268  Parietaria hespera var. hespera Philip A. Munz 1923-4-8 6602 Los Angeles San Clemente Island, east coast. Comment
  RSA574348  Parietaria hespera var. hespera R. G. Swinney 1994-5-7 2820 Los Angeles Glendora Wilderness Park, along Mystic Canyon Trail. N of Big Dalton Canyon Rd. 457 Comment
  JEPS49582  Parnassia californica Frank W. Peirson 1922-8-25 2249 Los Angeles San Gabriel Mountains, South Fork Santa Ana Meadows South Fork Santa Ana Meadows; San Gabriel Mountains, South Fork Santa Ana Meadows 2438 Comment
  POM3820  Pectocarya linearis C. F. Baker 4135 Los Angeles Hills near Claremont Comment
  RSA159349  Pectocarya linearis subsp. ferocula P. H. Raven 1962-4-10 17204 Los Angeles San Clemente Island. Summit of Thirst. 579 Comment
  RSA624650  Pectocarya linearis subsp. ferocula L. C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mountains: Mill Canyon off Soledad Canyon. 732 Comment
  SEINET4071536  Pectocarya linearis var. ferocula R. Moran 1941-1 698 Los Angeles Ridge north of Middle Ranch, Santa Catalina Island. 300 Comment
  POM368774  Pectocarya penicillata Christopher Davidson 1973-4-1 1891 Los Angeles 1 mile south of Littlerock. 762 Comment
  UCR96139  Pectocarya setosa B. G. Pitzer 1996-4-21 2715 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
  LA35253  Pedicularis densiflora Mary V. Hood; 1937-3-11 37 4 * Los Angeles Comment
  RSA0110587  Pedicularis semibarbata R. G. Swinney 2011-8-5 15590 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
  POM863  Pellaea andromedifolia var. andromedifolia M. M. Culter 1916-3-17 s.n. Los Angeles [San Gabriel Mountains] Live Oak Canyon, north of La Verne. Comment
  SEINET3153925  Pellaea mucronata G. B. Grant, W. Wheeler 1904-4-21 920 /6194 Los Angeles Santa Catalina Island, Pacific Ocean, off southern California Comment
  CAS-BOT-BC77193  Pellaea mucronata subsp. mucronata Steven A. Junak 1997-4-22 855 Los Angeles San Clemente Island - W side of island, just below rim on N side of Waynuk Canyon, just upstream from large drop-off, 365 Comment
  UCR101245  Pennisetum clandestinum L. C. Wheeler 1966-10-25 9086 Los Angeles San Gabriel Mtns, E[dwin]Waldo Ward's grove, 0.25 mi. north of El Encanto, San Gabriel Canyon 244 Comment
  CATA3538  Pennisetum setaceum Benjamin J. Dion, Morgan Fleming 2018-5-11 006 Los Angeles Santa Catalina Island: Channel side; Landfill; roadside between road and steep rockface above the road at the landfill / city dump in the East End Quarry watershed. 77 Comment
  LA9088  Pennisetum setaceum Marjorie Bowler; 1937-9-21 sn Los Angeles 121 Comment
  RSA670701  Penstemon centranthifolius Bonnie C. Templeton 1947-5-21 6280 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  UCR205918  Penstemon centranthifolius R. G. Swinney 2008-5-5 8747 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs 1427 Comment
  UCR224261  Penstemon centranthifolius R. G. Swinney 2009-6-24 11275 Los Angeles Transverse Range; San Gabriel Mtns., summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1926 Comment
  RSA650288  Penstemon centranthifolius E. S. Spalding 1948-4-24 s.n. Los Angeles They were located in the Mojave desert on highway 6 and 33 miles from highway 99. 396 Comment
  SDSU10929  Penstemon centranthifolius Lorenzo Cook 1931-5-9 Los Angeles Tapanga Canyon. Comment
  SDSU10930  Penstemon centranthifolius Gerald Collier 1951-4-5 Los Angeles Simi Hills, near North American Test Grounds, about 2 miles NE of Chattsworth Lake. Comment
  UCR189948  Penstemon grinnellii R. G. Swinney 1998-8-27 6830 Los Angeles San Gabriel Mtns., Mount San Antonio (East/Old Baldy) Peak 3055 Comment
  UCR224262  Penstemon grinnellii R. G. Swinney 2009-6-24 11276 Los Angeles Transverse Range; San Gabriel Mtns., summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1926 Comment
  RSA17064  Penstemon grinnellii subsp. grinnellii Carl B. Wolf 1936-5-27 7852 Los Angeles San Gabriel Mountains, Aliso Canyon to Buckhorn Flats Road, 2 miles above Tie Camp Summit. 1677 Comment
  UCR138500  Penstemon grinnellii subsp. grinnellii L. C. Wheeler 1970-6-28 s.n. Los Angeles San Gabriel Mtns., Little Fish Fork, Fish Fork Camp 2012 Comment
  SBBG66578  Penstemon grinnellii var. grinnellii R. Hoffmann 1929-5-19 Los Angeles border of Big Rock Crk Comment
  RSA0115313  Penstemon heterophyllus R. G. Swinney 2010-5-25 12918 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA674842  Penstemon heterophyllus var. australis Scott D. White, Kent Hughes 2000-5-16 7831 Los Angeles San Gabriel Mountains: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  UC457236  Penstemon speciosus Carl Epling, Nesta Dunn, Alice Goen 1931-5-16 Los Angeles Big Pines Camp San Gabriel Mts., Big Pines Camp Comment
  RSA226208  Penstemon spectabilis subsp. subviscosus Gary D. Cromwell, David W. Wheat 1971-7-1 706 Los Angeles Near canyon mouth just above creek bed. Mystic Canyon, San Gabriel Mountains, Angeles National Forest. Two miles NE of Glendora. 366 Comment
  UCR256177  Pentagramma triangularis R. G. Swinney 2010-6-4 13059 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
  RSA687366  Pentagramma triangularis subsp. triangularis F. R. Fosberg 1931-3-20 R 76 Los Angeles Santa Catalina Island, Hamilton Canyon. 35 Comment
  RSA687377  Pentagramma triangularis subsp. triangularis B. C. Templeton 1931-4-12 s.n. Los Angeles Mandeville Canyon 400 Comment
  UCSB18158  Pentagramma triangularis subsp. triangularis Day, Fran 1964-4-25 Los Angeles U.S. Highway 99, 16 miles S of Gorman 670 Comment
  UCSB25484  Pentagramma triangularis subsp. triangularis Bishop, Richard 1967-5-13 Los Angeles In roadside canyon, 2 mi. east of Live Oak Campground on Bear Canon Road, San Gabriel Mountains 762 Comment
  RSA0063340  Pentagramma viscosa P. H. Raven 1962-4-12 17344 Los Angeles San Clemente Island: Wilson Cove. 91 Comment
  RSA0021425  Perityle emoryi C. Epling 1931-5-12 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mtns. Comment
  UCD134901  Perityle emoryi P. B. Kennedy Date Unknown s.n. Los Angeles White Landing, Santa Catalina Island. Comment
  UC68840  Petalonyx thurberi subsp. thurberi H. M. Hall July, 1905 6717 Los Angeles near Saugus Saugus Comment
  SFV11588  Phacelia M. L. Vincent 1964-6-24 591 Los Angeles San Gabriel Mountains On Old Blue Ridge Road 0.5 miles from New Highway (Angeles Crest) at Grassy Hollow camping area. 2250 Comment
  UCR147285  Phacelia austromontana Orlando Mistretta 1992-6-19 596 Los Angeles Transverse Ranges; San Gabriel Mountains, Angeles National Forest; Timber Mountain Comment
  POM19042  Phacelia brachyloba P. A. Munz 1923-6-9 6921 Los Angeles Bouquet Canyon, near Saugus. 1006 Comment
  RSA752478  Phacelia cicutaria var. hispida Justin M. Wood 2009-4-22 528 Los Angeles City of San Dimas, Sycamore Canyon, Falcon Ridge Ranch. 412 Comment
  UCR126818  Phacelia cicutaria var. hispida A. C. Sanders, Mark A. Elvin 2003-6-18 26957 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
  RSA0082828  Phacelia cryptantha R. G. Swinney 2010-5-19 12778 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
  RSA669146  Phacelia distans LeRoy Gross, Naomi S. Fraga 2002-4-4 515 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. 468 Comment
  UCR223024  Phacelia distans R. G. Swinney 2009-4-29 10619 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
  UCR271874  Phacelia distans R. G. Swinney 2010-3-24 12059 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
  UC697766  Phacelia distans Kay H. Beach 1943-4-21 1753 Los Angeles mouth of Big Dalton Canyon San Gabriel Mts. 335 Comment
  UCR205612  Phacelia fremontii R. G. Swinney 2008-5-12 8844 Los Angeles San Gabriel Mtns., east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  UCR277225  Phacelia fremontii R. G. Swinney 2011-4-19 14401 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
  UCR280694  Phacelia fremontii R. G. Swinney 2014-4-10 16044 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
  RSA586624  Phacelia fremontii Tim S. Ross, Steve Boyd 1991-3-23 4278 Los Angeles Northeastern-most corner of the county, ca. 3 mi. SSE of Jackrabbit Hill (Kern Co.), (ca. 1.45 mi. S of Kern Co. line and 0.2-0.5 mi. W of San Bernardino Co. line). 878 Comment
  UC73682  Phacelia grandiflora Geo. B. Grant May 1901 960 Los Angeles Garvanza Comment
  CAS-BOT-BC145160  Phacelia hubbyi Peter H. Raven; H. J. Thompson; S. R. Snow 1956-6-22 9445 Los Angeles on a large burn below Mulholland Drive above Sepulveda Blvd., Santa Monica Mts. Comment
  UCR271222  Phacelia imbricata subsp. imbricata R. G. Swinney 2011-6-1 14964 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.1-0.3 mile east-southeast of Colby Lodge, along Camp Colby Trail, toward FS Rd 12W052, southeast of Coldwater Canyon headwaters 1073 Comment
  RSA756458  Phacelia imbricata subsp. imbricata Orlando Mistretta, Christine Mistretta 2008-4-19 2495 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, Structure 115 per TRTP Survey 2008), vicinity of Van Tassel Canyon. 581 Comment
  UC1584235  Phacelia longipes Tim Ross and Steve Boyd 1990-6-6 2878 Los Angeles Piru Pond Los Padres National Forest, Liebre Mtn USGS 7.5' quadrangle (sw edge) 644 Comment
  UC976032  Phacelia longipes Rimo Bacigalupi with L. R. Heckard, and G. T. Robbins 1953-6-14 4192 Los Angeles south fork of Little Rock Creek Canyon Angeles National Forest, San Gabriel Mts. (upper slopes, higher n slopes of mts.) 1432 Comment
  UCR14444  Phacelia longipes George K. Helmkamp 1974-6-2 s.n. Los Angeles San Gabriel Mtns, Calif. Hwy 39 about 3000 ft., north of Azusa 915 Comment
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Apr 23 2016
  POM3688  Phacelia minor Marjorie Shaw, Edna Spaulding, C. L. Walton 1917-4-6 s.n. Los Angeles Bouquet Canyon. Comment
  POM3695  Phacelia minor L. R. Abrams 1901-4-3 1245 Los Angeles Cahuenja Pass Comment
  RSA428064  Phacelia minor Howard Mullins 1931-4-15 s.n. Los Angeles Griffith Park Comment
  UCR256166  Phacelia minor R. G. Swinney 2010-3-22 12003 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
  UCR258910  Phacelia minor R. G. Swinney 2010-4-23 12353 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  POM280815  Phacelia minor Henry J. Ramsey 1937-3-27 s.n. Los Angeles Little Tijuna Canyon. Comment
  CAS-BOT-BC144948  Phacelia ramosissima var. austrolitoralis Peter H. Raven; Henry J. Thompson 1959-6-4 14319 Los Angeles Point Dume, Santa Monica Mountains 45 Comment
  CAS-BOT-BC159105  Phacelia ramosissima var. latifolia Carl B. Wolf 1936-5-27 s.n. Los Angeles San Gabriel Mts., Indian Canyon Camp, 2 mi. off Soledad Canyon 914 Comment
  RSA780694  Phacelia tanacetifolia Sandy Leatherman, Pam DeVries 2011-4-28 2011 -11 Los Angeles Transverse Ranges; Liebre Mountains region; 925 meters SW of Vasquez Canyon Road at Mesa Drive in Santa Clarita; along Edison Road 576 Comment
  RSA251542  Phalaris lemmonii R. F. Thorne 1973-4-12 42957 Los Angeles San Clemente Island, south of Pyramid Cove near Silver Mine, bottom of old bomb crater. 30 Comment
  UCR56171  Philadelphus lewisii J. A. Adams 1963-5-9 19 Los Angeles San Gabriel Mtns., Little Dalton Canyon 366 Comment
  RSA350913  Pholisma paniculatum B. C. Templeton, Pierce, Pool 1938-8-10 4588 Los Angeles El Segundo Comment
  SD30970  Pholistoma auritum var. auritum Edith A. Purer 1931-3-12 975 Los Angeles Palos Verde Hills, moist, shady place Comment
  RSA459288  Pholistoma membranaceum Robert Gustafson, Gary D. Wallace 1982-4-26 2519 Los Angeles Mojave Desert, Fort Tejon Road, about 1 mile W of the junction of 121st St. 1006 Comment
  RSA592268  Pholistoma membranaceum Louis C. Wheeler 1967-5-12 9490 Los Angeles San Gabriel Mountains. Ravine south of summit 4174, east of Vincent. 1250 Comment
  UCR190460  Pholistoma membranaceum R. G. Swinney 2001-4-18 7896 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, ridge top c. 500 m east of south end of Bobs Gap 1311 Comment
  RSA420805  Phoradendron macrophyllum L. E. Hoffman 1932-1-18 s.n. Los Angeles East Fork, San Gabriel Canyon. Comment
  UC440425  Phoradendron macrophyllum Carl Epling and Lincoln Ellison 1929-4-27 Los Angeles Santa Monica Mts., Topango Canyon Comment
  RSA576771  Phoradendron villosum Vanessa Ashworth, Nigel Boyle 1995-1-28 84 Los Angeles Cow Canyon Saddle above Baldy Village. 1380 Comment
  RSA576772  Phoradendron villosum Vanessa Ashworth, Nigel Boyle 1995-1-28 83 Los Angeles Cow Canyon Saddle above Baldy Village. 1380 Comment
  RSA593889  Phoradendron villosum Steve D. Boyd 1996-4-24 8662 Los Angeles Liebre Mountains, northwestern end of the range on the ridgetop and upper slopes of the southern flank of Apple Canyon. 1067 Comment
  SEINET6429351 Image available Phoradendron villosum Del Wiens 1953-12-10 875 Los Angeles Crystal Lake Area, San Gabriel Mtns., Los Angeles 1676 Comment
  RSA683977  Phyllospadix torreyi E. Yale Dawson 1957-7-1 17267 Los Angeles Malibu Beach at Latigo Shore Road. Station # 19. Comment
  RSA412026  Pickeringia montana Thrask 1911-01 s.n. Los Angeles Near Los Angeles Comment
  RSA187693  Picris echioides R. F. Thorne 1966-9-14 36664 Los Angeles Santa Catalina Island; Little Harbor 5 Comment
  RSA472028  Picris echioides L. E. Hoffman 1929-6-8 s.n. Los Angeles Arroyo Seco Canyon Comment
  RSA86531  Pinus flexilis F. W. Peirson 3997 Los Angeles Blue Ridge 2591 Comment
  RSA716804  Pinus halepensis A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-7 27156 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Potrero canyon, at the old ranch headquarters (barn, corrals, etc.) in the middle of the canyon. 335 Comment
  UCSB18712  Pinus lambertiana Haller, John 1964-11-27 Los Angeles Summit of ridge about 200 yards northwest of bottom Kratka Ridge Ski Tow, Angeles Crest Highway (Calif. 2), 4.1 miles west of Crystal Lake Road, San Gabriel Mountains 2057 Comment
  CHSC35725  Pinus monophylla B. Prigge 1970-12-29 114 Los Angeles 8 miles SE of Llano on county road N-4 on north slope of San Gabriel mountains. 1188 Comment
  RSA595108  Pinus monophylla Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8586 Los Angeles Liebre Mountains, upper West Fork Liebre Gulch along spur leading off along steep ridgeline west of Angeles National Forest Road 8N01, at a point 7.0 road miles from jtn with 8N05. 1204 Comment
  RSA384448  Pinus ponderosa V. V. Giles 1936-7-5 s.n. Los Angeles Crystal Lake 1738 Comment
  CATA2945  Piperia elongata Sarah Ratay, Tyler Dvorak 2010-7-1 125 Los Angeles Santa Catalina Island: Blackjack/Cape Road 422 Comment
  RSA640968  Piperia elongata Louis C. Wheeler 1931-7-3 s.n. Los Angeles San Gabriel Mountains: Brown's Flat trail, 2 1/2 miles from flat. Comment
  UCR206166  Pistacia atlantica A. C. Sanders, T. B. Salvato 2009-5-29 37042 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  CAS-BOT-BC172769  Plagiobothrys arizonicus Timothy S. Ross; Steve Boyd 1994-5-4 7632 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 1075 Comment
  UCR176954  Plagiobothrys arizonicus L. C. Wheeler 1967-5-8 9340 Los Angeles San Gabriel Mtns, Liebre Mtns, north side of northwesternmost end of foothills (of San Gabriel Mtns) between Bouquet Junction and Bonelli Ranch 396 Comment
  UCR186873  Plagiobothrys arizonicus A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-14 32083 Los Angeles Transverse Range; Liebre Mtns. Region, 3/4 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 976 Comment
  SEINET6058801  Plagiobothrys arizonicus Unknown 1996-4-25 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  UCR126720  Plagiobothrys canescens A. C. Sanders, Mark Elvin 2003-4-14 25948 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  UCR258944  Plagiobothrys canescens R. G. Swinney 2010-2-27 11757 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
  CATA874  Plagiobothrys canescens Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1683 Los Angeles Santa Catalina Island: Upper Gallagher's Canyon, just below Bow Camp 390 Comment
  POM3718  Plagiobothrys collinus var. californicus P. A. Munz, L. T. Street, G. Williams 1919-3-15 2410 Los Angeles South Hills, Pomona. Comment
  UCR192188  Plagiobothrys leptocladus A. C. Sanders 2008-4-10 34794 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 0.85 mile SSW of Neenach School, along dirt track beside old fence line 938 Comment
  UCR142790  Plagiobothrys nothofulvus L. C. Wheeler 1967-5-8 9362 Los Angeles San Gabriel Mtns, foothills NE of Saugus 412 Comment
  SBBG131670  Plantago coronopus S. A. Junak 1999-5-20 SCa 938 Los Angeles ridge between Cottonwood and Escondido Cyns, S side of Cottonwood-Black Jack Rd, ca. 0.6 mi up from reservooir 256 Comment
  UCR274082  Plantago coronopus Steven A. Junak 1999-5-20 SCa- 938 Los Angeles Channel Islands, Santa Catalina Island, ridge between Cottonwood and Escondido Canyons, on south side of Cottonwood-Black Jack Road, c. 0.6 mile up from reservoir 256 Comment
  RSA401964A  Plantago erecta Blanche Trask 1901-03 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  SBBG31246  Plantago erecta R. F. Thorne 1966-4-7 35937 Los Angeles Cherry Valley Comment
  RSA188084  Plantago erecta Robert F. Thorne 1966-4-28 36261 Los Angeles Santa Catalina Island. Water tank above Mausoleum, Avalon Canyon above road 183 Comment
  RSA412569  Plantago major Edwin Kline 1924-8-3 s.n. Los Angeles Topanga Canyon, Santa Monica Mts. Comment
  UC28014  Plantago major J. H. Barber 1897-4 306 Los Angeles Santa Monica Canyon Comment
  JEPS26181  Plantago major Peter H. Raven and Henry J. Thompson 1959-9-6 14397 Los Angeles near mouth of Malibu Creek (along Malibu Creek); Santa Monica Mountains, Malibu Creek 12 Comment
  RSA177837  Plantago ovata var. insularis Robert F. Thorne, Percy C. Everett 1965-5-11 34584 Los Angeles Santa Catalina Island. N side of N beach of Little Harbor. 15 Comment
  RSA733575  Platanthera sparsiflora Richard G. Swinney 1998-7-29 6547 Los Angeles San Gabriel Mtns.: c. 100 m downstream from upper Fish Fork Campground 1817 Comment
  CAS-BOT-BC93183  Platanus racemosa Peter H. Raven 1959-3-15 C 143 Los Angeles Santa Monica Mountains. Just east of Zuma Beach. 21 Comment
  HSC12322  Platanus racemosa Wendell Wood 1970-6-17 10 Los Angeles Chevy Chase and Linda Vista Rd., Glendale 366 Comment
  UC527602  Platanus racemosa C. B. Wolf 1931-6-25 2234 Los Angeles wash sw Los Angeles Botanic Garden (along Beverley Blvd. (Mandeville Canyon)) 60 Comment
  UCR256866  Platanus racemosa R. G. Swinney 2010-8-16 13549 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  CAS-BOT-BC91666  Platystemon californicus C. F. Baker 1904-5-2 s.n. Los Angeles Hills near Claremont. Comment
  CHSC95723  Platystemon californicus LeRoy Gross 2005-4-28 2178 Los Angeles Transverse Ranges; San Gabriel Mountains region: Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridegline 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 back to origin. (T4N R12W, 11w S1, 6, NE1/4 of 1, NW1/4 of 6) Alt.: 1235-1413m/4052-4635ft. 1324 Comment
  UCSB70626  Plecostachys serpyllifolia Riefner, R. 2009-6-9 Los Angeles City of Malibu, ca. 0.2 mi E of La Piedra State Beach 3 Comment
  RSA0081378  Poa annua R. G. Swinney 2010-3-16 11914 Los Angeles Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  RSA484194  Poa pratensis Gary D. Wallace 1979-5-2 1839 Los Angeles [Arcadia] Along Baldwin Ave, across street from L.A. County Arboretum. Comment
  RSA777432  Poa pratensis R. G. Swinney 2009-5-27 10859 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  RSA127957  Poa secunda H. J. Thompson 1959-3-27 1887 Los Angeles Santa Monica Mountains: 0.5 mile east of peak, Saddle Peak, 701 Comment
  RSA728344  Poa secunda Gary D. Wallace 1982-4-17 1900 Los Angeles Mojave Desert: Fort Tejon Road S of Pearblossom, between 106th and Longview Road. Comment
  SFV22104  Poa secunda R. G. Swinney 2009-6-3 11045 Los Angeles San Gabriel Mountains Horse Flats, 1 air mile north-northwest of Newcomb's Ranch at Angeles Crest Highway (Highway 2). Flats with shallow channel with areas of surface water. 1720 Comment
  UCR43343  Poa secunda David Charlton 1986-6-15 267 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
  UC1132826  Poa secunda subsp. secunda A. D. Gifford 1935-3-25 506 Los Angeles 5 1/4 mi nnw Sawmill Peak; Tejon Quadrangle Comment
  RSA702815  Pogogyne douglasii subsp. parviflora Scott D. White 2004-8-20 10729 Los Angeles San Gabriel Mountains: Upper Big Tujunga Canyon. West of Upper Big Tujunga Cyn Rd, ca. 2 air miles N of jtn w/ Angeles Crest Hwy. 1067 Comment
  RSA702162  Polycarpon tetraphyllum Michael Honer 2004-6-22 1997 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon and Hog Back. 854 Comment
  UCR23713  Polycarpon tetraphyllum John C. Roos 1942-5-23 1061 Los Angeles Monrovia, 300 block on E Lime St. 179 Comment
  RSA460041  Polygala cornuta var. fishiae Wm. Martin 1971-8-5 s.n. Los Angeles Stunt Canyon, Santa Monica Mts. Comment
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May 8 2014
  RSA460042  Polygala cornuta var. fishiae T. S. Clare, Alva Watry 1929-7-30 14760 Los Angeles Topanga Canyon. Comment
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Feb 8 2018
  RSA460146  Polygala cornuta var. fishiae L. E. Hoffman 1931-11-16 s.n. Los Angeles Malibu Creek Comment
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Apr 30 2011
  RSA594580  Polygonum arenastrum Louis C. Wheeler 1966-10-6 8956 Los Angeles San Gabriel Mountains. Islip Saddle, Angeles Crest Highway. Comment
  UCR210536  Polygonum aviculare R. G. Swinney 2008-12-4 9941 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1 mi. north of Foothill Blvd. 201 Comment
  UCR217310  Polygonum aviculare R. G. Swinney 2009-3-10 10076 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  RSA188311  Polygonum aviculare subsp. aviculare Robert F. Thorne 1966-6-1 36465 Los Angeles Pebbly Beach terminal, Santa Catalina Island. 6 Comment
  RSA579561A  Polygonum aviculare subsp. neglectum Tim S. Ross, S. D. Boyd 1994-9-20 8255 Los Angeles Upper Bouquet Canyon: ca 2225 m WSW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet Reservoir, along Bouquet Canyon Road. 980 Comment
  UCR179667  Polygonum lapathifolium R. G. Swinney 1989-5-13 s.n. Los Angeles San Gabriel Mtns., Glendora, Little Dalton Canyon Debris Basin 366 Comment
  POM18233  Polygonum lapathifolium P. A. Munz 1923-10-7 7794 Los Angeles Bouquet Canyon, Saugus. Comment
  UCR147674  Polygonum orientale L. C. Wheeler 1966-5-7 s.n. Los Angeles Los Angeles Basin region; San Gabriel Valley, Rio Hondo, south El Monte 63 Comment
  RSA0092154  Polypodium californicum R. G. Swinney 2011-10-27 15897 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
  RSA314083  Polypodium californicum R. F. Thorne, J. Henrickson 1963-5-5 32315 Los Angeles Cobal Canyon, foothills of the San Gabriel Mountains, ca. 4 miles north of Claremont. 518 Comment
  RSA545278  Polypodium californicum D. Propst, M. Hoefs 1973-2-5 3 Los Angeles Santa Catalina Island: Southeast of Wrigley Memorial in Upper Avalon Canyon. 244 Comment
  UCR219568  Polypodium californicum R. G. Swinney 2009-3-28 10203 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Mountain Park, trail 0-40 m above canyon bottom, from park entrance to 0.4 mi. up canyon 427 Comment
  UCSB8311  Polypodium californicum Gill, Robert 1960-3-5 Los Angeles Little Dalton Canyon, San Gabriel Mtn. range 426 Comment
  POM12491  Polypodium californicum M. L. Kendall 1921-3-19 72 Los Angeles Puddingstone Canyon, San Dimas Comment
  UC792412  Polypodium californicum Ira L. Wiggins 1949-2-22 11965 Los Angeles hillside near ne end of San Clemente Isl. 30 Comment
  RSA0021696  Polypogon australis Duncan S. Bell, Caitlin Elam 2013-6-24 5269 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
  RSA0115259  Polypogon monspeliensis Richard G. Swinney 2010-5-25 12940 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  UC1870299  Polypogon monspeliensis LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1111 Los Angeles Transverse Range: Verdugo Mountains Region.; N side of mountains: Entered W of Haines Canyon Park, off of Estepa Drive in Tiujuanga. Follow a ridge SW, then W into a small tributary NW of this ridge. Tributary is N of the 210 freeway. S of 210, tributary drains into La Tuna Canyon. Survey N of 210 457 Comment
  UCR125966  Polypogon monspeliensis A. C. Sanders, Mark Elvin 2002-6-19 25159 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  CAS-BOT-BC237502  Polypogon viridis Peter H. Raven 1956-6-17 9404 Los Angeles Westwood, Los Angeles Comment
  RSA776785  Polypogon viridis Orlando Mistretta, Christine Mistretta 2010-6-15 5304 Los Angeles Transverse Ranges; San Gabriel Mountains region: Upper Big Tujunga Canyon; Lynx Gulch. Along Lynx Gulch Road, 0.68 road miles N of junction with Upper Big Tujunga Canyon Road. 1045 Comment
  CDA7762  Polypogon viridis Michael O Brien 2007-6-24 s.n. Los Angeles Malibu Bluffs 0 Comment
  SBBG13053  Populus balsamifera subsp. trichocarpa E. R. Blakley 1961-9-24 4776 Los Angeles cyn upstream from Ben Weston Beach 15 Comment
  UCR219946  Populus fremontii R. G. Swinney, Jane Strong 2009-4-21 10411 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mi. north (upstream) of Puente Largo bridge 218 Comment
  UCR269986  Populus fremontii R. G. Swinney 2010-5-12 12735 Los Angeles San Gabriel Mountains, 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
  RSA0091098  Potentilla glandulosa subsp. ewanii R. G. Swinney 2011-8-17 15641 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  SEINET10852924  Prunus Mary Merello, Heidi H. Schmidt 1999-12-6 Merello 2626 Los Angeles Temple City, Valumart Food Warehouse, 6340 Rosemead. Comment
  UCR177579  Prunus fasciculata LeRoy Gross 2005-5-3 2184 Los Angeles Transverse Range; San Gabriel Mountains, west terminus of Holcomb Ridge, west of Big Rock Creek, along the east [and] NE side of hill. North of Fort Tejon Road, west of Valyermo Road [also T5N, R9W SW/4 sec. 31] 1215 Comment
  CAS-BOT-BC154939  Prunus ilicifolia Timothy S. Ross; Steve Boyd; Peter W. Fritsch 1990-6-11 3392 Los Angeles San Gabriel Mountains. Little Rock Creek: Joshua Tree Campground on the SW side of Little Rock Reservoir 1002 Comment
  RSA0022994  Prunus virginiana Duncan S. Bell, Caitlin Elam 2013-8-1 5566 Los Angeles Sheep Mountain Wilderness; south side of Prairie Fork; Pine Mountain Ridge; Columbine Spring. 2174 Comment
  SBBG10193  Pseudognaphalium biolettii K. A. Wilson 1961-3-10 Los Angeles Old Topanga Cyn Rd, ca 0.25 mi W of Topanga Cyn Rd; Santa Monica Mts Comment
  UC57574  Pseudognaphalium biolettii J. H. Barber 1897-3-16 69 Los Angeles Santa Monica Forestry Station Comment
  UCSB10254  Pseudognaphalium biolettii Wedberg, H. 1958-2-22 Los Angeles On Point Dume Comment
  RSA783525  Pseudognaphalium biolettii J. D. Olmsted 1959-3-30 326 Los Angeles 0.5 mile SE of jct between Palmer and Cobal Canyons near eastern County line, San Gabriel Mts 427 Comment
  SBBG106256  Pseudognaphalium californicum S. A. Junak 1981-7-31 SCl 40 Los Angeles just S of Triangulation Pt "Alta" 579 Comment
  SBBG31307  Pseudognaphalium luteoalbum R. F. Thorne 1966-9-14 36648 Los Angeles behind Ben Weston Beach 3 Comment
  SEINET6092335  Psilocarphus tenellus Unknown 1948-4-26 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  CATA1704  Pteridium aquilinum var. pubescens Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1999-5-8 3023 Los Angeles Santa Catalina Island: Lower Fern Canyon 195 Comment
  LA94231  Pteridium aquilinum var. pubescens Lawrence L. Kiefer; 1966-4-10 1848 Los Angeles SANTA MONICA MOUNTAINS, Rustic Canyon, ca 0.25 mi S of Camp Josepho. 304 Comment
  LA94238  Pteridium aquilinum var. pubescens Lawrence L. Kiefer; 1966-4-10 1857 Los Angeles SANTA MONICA MOUNTAINS, Franklin Canyon, ca 2 mi S of Mulholland Dr. 243 Comment
  RSA690875  Pteridium aquilinum var. pubescens Blanche Trask 1902-08 s.n. Los Angeles Avalon, Catalina Island. Comment
  UCR178217  Pteris vittata LeRoy Gross 2000-9-30 274 Los Angeles San Gabriel Mountains, Monrovia Canyon, just below the first waterfall, above Monrovia Mountain Park 518 Comment
  RSA0011715  Pteris vittata L. C. Wheeler 1966-10-25 9080 Los Angeles San Gabriel Mts., Angeles National Forest: San Gabriel Canyon near orange grove near El Encanto. Comment
  RSA756061  Pterospora andromedea R. G. Swinney 2008-7-16 9268 Los Angeles Burkhart Trail on south side of Cooper Creek Canyon, 1.4 mi. NE of Burkhart Trailhead parking lot, west of Buckhorn Canyon 1756 Comment
  UCR259573  Pterostegia drymarioides R. G. Swinney 2010-4-1 12141 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of 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
  RSA65369  Pterostegia drymarioides F. W. Peirson 1925-4-23 5790 Los Angeles Forks of San Gabriel River. 534 Comment
  UCR255772  Purshia glandulosa R. G. Swinney 2010-5-12 12704 Los Angeles San Gabriel Mountains/Mojave Desert, Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone 921 Comment
  UCD56634  Quercus 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, 381 Comment
  RSA619473  Quercus X macdonaldii E. R. Blakley 1962-10-5 5464 Los Angeles Middle Ranch Corral in Middle Ranch Canyon, Santa Catalina Island 198 Comment
  UC1302318  Quercus X macdonaldii Robert F. Thorne and P. C. Everett 1964-2-7 Los Angeles Middle Canyon Santa Catalina Island 243 Comment
  SFV867  Quercus agrifolia P. G. Kilburn 1958-2-23 620 Los Angeles Santa Susana Mountains Oat Mountain. North slope of mountain near crest. 950 Comment
  UCR186785  Quercus agrifolia Gary Kovnat, LeRoy Gross 2004-3-20 49 Los Angeles Transverse Range; San Gabriel Mountains, Angeles National Forest, Gold Creek ecological Preserve, south terrace west meadow ecotone Comment
  RSA226242  Quercus agrifolia var. agrifolia Gary D. Cromwell 1971-4-30 589 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mountains. 2 miles NE of Glendora 427 Comment
  RSA596805  Quercus agrifolia var. agrifolia Tim S. Ross, J. Mark Porter 1995-5-4 8488 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  OBI49057  Quercus berberidifolia Joseph Andorfer Ewan June1933 10800 Los Angeles Slopes above Verdugo Cyn Comment
  UCSB68635  Quercus berberidifolia Gross, LeRoy 2000-10-28 Los Angeles Verdugo Mountains: Brand lateral trail behind the Brand Park Library, ridge west of Idlewood Canyon, where Grandview Ave. and Mountain St. meet in city of Glendale. Following fire break up to main crest (to Beaudry fire road) 365 Comment
  CAS-BOT-BC62573  Quercus chrysolepis Moxley; Grimmell 1916-6-16 500 Los Angeles Santa Susana Mts. Comment
  JEPS38051  Quercus chrysolepis Ernest Braunton 1928-8-5 A Los Angeles San Gabriel Canyon Comment
  JEPS46639  Quercus chrysolepis Ernest Braunton 1892-2 Los Angeles near Mt. Lowe 914 Comment
  RSA585430  Quercus chrysolepis Tim S. Ross 1990-5-31 2724 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  RSA664090  Quercus chrysolepis Marianne Marshall 1981-5-29 33 Los Angeles Ca. Hwy 39, 14.5 mi. N of junction w/ Sierra Madre Ave. N of Azusa. Comment
  SD252340  Quercus chrysolepis Steven A. Junak 1999-5-8 Sca 916 Los Angeles Santa Catalina Island: Fern Canyon, cottonwood watershed, just upstream from fenceline, elevated floodplain. Comment
  SEINET3137645  Quercus chrysolepis R. W. Spellenberg, N. Zucker 1993-9-6 11919 Los Angeles San Gabriel Mts., Hwy 2 1 mi W of Cloudburts Summit 2103 Comment
  SFV16176  Quercus chrysolepis P. A. Krueger 1994-5-14 23 Los Angeles San Gabriel Mountains 2 miles west on 2N23 from Newcomb's Saddle._x000B_ 900 Comment
  UC847899  Quercus chrysolepis Marcus E. Jones, A. M. 1882-2-27 3035 Los Angeles Pasadena Comment
  UCR227755  Quercus chrysolepis R. F. Thorne, M. Z. Thorne 1966-5-31 36420 Los Angeles Channel Islands, Santa Catalina Island, ridge running from south end of Mt. Orizaba, south side of south fork of Fern Canyon 488 Comment
  UCSB50080  Quercus chrysolepis Millett, Barbara 1980-5-18 Los Angeles Mount Baldy Road, just north of Lower San Antonio Forest Station, San Gabriel Mts.; [San Antonio Canyon just north of Cucamonga( San Bernardino County)] 762 Comment
  RSA0044669  Quercus chrysolepis Lyman Benson 1947-10-9 12834 Los Angeles 5 miles northeast [NW?] of Big Pine on Valyermo Road. San Gabriel Mt. Mojave Desert. 1677 Comment
  CAS-BOT-BC86375  Quercus dumosa D. E. Breedlove 1961-5-5 452 Los Angeles 7.6 miles NE of Soledad Canyon Road on Highway 6 609 Comment
  UCD45859  Quercus dumosa F. R. Fosberg 1931-7-16 S 5435 Los Angeles Location: Gallaghers Canyon, Santa Catalina Islands, Los Angeles Co. 100 Comment
  CAS-BOT-BC86236  Quercus dumosa Le Roy Abrams; E. A. McGregor 1908-6-19 332 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  UC520299  Quercus durata Joseph Andorfer Ewan 1933-7-4 7852 Los Angeles Sturdevant Trail San Gabriel Mountains, Santa Anita Canyon 1066 Comment
  RSA703508  Quercus durata var. gabrielensis Scott D. White 2004-9-3 10747 Los Angeles San Gabriel Mountains: 'Grizzly Flat,' ca. 1 air mile N of Angeles Crest Hwy and ca. 1 air mi S of Big Tujunga Cyn. Rd. 732 Comment
  UCD45989  Quercus durata var. gabrielensis D. Q. Cavagnaro 1963-9-19 103 Los Angeles 1.4 miles above Lower San Antonio Ranger Station, Mt. Baldy. Los Angeles County, California. 975 Comment
  UCD56585  Quercus durata var. gabrielensis Scott D. White; Michael Honer 2004-6-30 10546 Los Angeles San Gabriel Mountains. Mt. Baldy (town). Along Glendora Ridge Rd. Ca. 0.25 mile SE of jtn. w/ Mt. Baldy Rd. 1310 Comment
  JEPS38020  Quercus engelmannii W. L. Jepson 1908-7-13 3065 Los Angeles Swain Canyon Catalina Island Comment
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Feb 6 2008
  JEPS38039  Quercus engelmannii Joseph Andorfer Ewan 1933-7-4 7852 Los Angeles Sturdevant trail Santa Gabriel Mts., Santa Anita Canyon 1066 Comment
  RSA654504  Quercus engelmannii Lyman Benson 1946-12-20 12266 Los Angeles Thompson Creek, just north of San Antonio Ave. NW of Claremont. San Gabriel Mt. 457 Comment
  RSA747750  Quercus engelmannii Scott D. White, J. Wood, J. Miner 2009-5-12 12701 Los Angeles San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  SBBG44659  Quercus engelmannii W. B. Holt 1941-10-31 23 -1941 Los Angeles Monrovia Comment
  SEINET6093540  Quercus engelmannii F. R. Fosberg 1931-1-7 7105 Los Angeles Sierra Madre. Comment
  UCR18978  Quercus engelmannii John C. Roos 1946-10-12 3131 Los Angeles Base of San Gabriel Mtns., Foothill Boulevard, west of Monrovia Comment
  UCSB28159  Quercus john-tuckeri Lloyd, Robert 1959-3-24 Los Angeles At Oak Flats Fire Station, 10 mi. north of Castaic, Calif, on U.S. Hwy. 99, Tehachapi Mts. 822 Comment
  POM246815  Quercus pacifica F. R. Fosberg 1931-7-16 S 5433 Los Angeles Gallagher's Canyon, near Wrigley Reservoir, Santa Catalina Island. 400 Comment
  SD225829  Quercus pacifica John M. Tucker 1992-3-31 Los Angeles Santa Catalina Island, upper Middle Ranch Canyon below pump station, roughly 4 1/2 mi. west of Avalon 256 Comment
  UC847936  Quercus pacifica Carl B. Wolf 1932-10-5 Los Angeles s side Black Jack Peak (below workers dormitories); Santa Catalina Island 304 Comment
  CAS-BOT-BC250924  Quercus tomentella P. S. Manos 1988-10-28 696 Los Angeles San Clemente Island, N fork of Eagle Canyon 243 Comment
  SBBG41299  Quercus tomentella M. R. Benedict 1970-6-27 Los Angeles lower Cape Cyn about 1.5 mi above jct with Middle Cyn Comment
  SDSU6988  Quercus tomentella R. M. Beauchamp 1967-3-18 275 Los Angeles In canyon below Lemon Tank, San Clemente Island. Comment
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Oct 13 2011
  HSC8307  Quercus wislizeni var. frutescens C. E. Fellows 1965-9-7 141 Los Angeles 3 mi past Angeles Forest Hwy. on Angeles Crest hwy. 1220 Comment
  RSA587476  Quercus wislizeni var. frutescens Orlando Mistretta 1994-4-29 1125 Los Angeles San Gabriel Mountains, Santiago Canyon, slopes W of main drainage below Mt. Emma. 1341 Comment
  CAS-BOT-BC362464  Rafinesquia californica Timothy S. Ross; J. Mark Porter 1995-5-4 8407 Los Angeles Liebre Mountains. Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road 585 Comment
  CHSC98113  Rafinesquia californica LeRoy Gross; Bill Hogshead, Valerie Soza 2003-5-29 952 Los Angeles Transverse Ranges: Verdugo Mountains region: West end of the mountains: At junction (saddle) of Verdugo motorway and Wildwood Fire Road (Abandoned road, as the ranch north of here at mouth of canyon at La Tuna Canyon burned down a long time ago.) We went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Motorway) Basically a triangle. 564 Comment
  UC1594364  Rafinesquia californica Tim Ross 1992-5-17 6340 Los Angeles center w side San Gabriel Reservoir (short easterly spur canyon along Highway 39); San Gabriel Mountains 463 Comment
  RSA590601  Rafinesquia californica Timothy S. Ross, Walter Appleby 1993-5-13 7113 Los Angeles Western San Gabriel Mountains, steep northerly slope 850 meters NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon 854 Comment
  RSA399379  Ranunculus californicus T. S. Clare, McDougal 1930-4-7 s.n. Los Angeles Above Sandberg. Comment
  LA212266  Raphanus raphanistrum subsp. sativus Elwood Fordham; 1951-3-20 s.n. Los Angeles Westwood, UCLA campus. "Faculty Hill". Comment
  RSA657374  Raphanus sativus Joseph M. Keefe 2001-1-24 31031 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
  UCR150555  Rhamnus californica R. G. Swinney 1999-6-21 7352 Los Angeles San Gabriel Mtns., spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  UCR209443  Rhamnus californica R. G. Swinney 1969-4-22 352 Los Angeles San Gabriel Mtns., Glendora, foothills 0.5 mi. north of Sierra Madre Ave., above north end of Rainbow Dr. 354 Comment
  JEPS42078  Rhamnus californica subsp. californica C. E. Hutchinson 1892-7-20 Los Angeles Mt. Wilson San Gabriel Mts. 609 Comment
  UC1121831  Rhamnus crocea P. L. Johannsen 1934-2-8 272 Los Angeles 0.5 mi ne Saugus; Santa Susana Quad. 381 Comment
  CAS-BOT-BC59840  Rhamnus ilicifolia Timothy S. Ross; Steve Boyd 1993-5-23 7272 Los Angeles Northerly draw draining from saddle between Red Mtn's long e. ridge and a small notched peak (3227-ft), to upper 896 Comment
  RSA226197  Rhamnus ilicifolia Gary D. Cromwell, David W. Wheat 1971-5-14 672 Los Angeles San Gabriel Mountians, Angeles National Forest: Mystic Canyon, 2 miles NE of Glendora 419 Comment
  RSA567259  Rhamnus ilicifolia Tim S. Ross, S. D. Boyd, Peter Fritsch 1990-6-27 3870 Los Angeles Liebre Mountain: N slope, between Horse Camp Canyon and Robinson Canyon. 1473 Comment
  RSA585429  Rhamnus ilicifolia Tim S. Ross, S. D. Boyd 1990-5-31 2723 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon 1220 Comment
  SBBG98568  Rhamnus ilicifolia T. Ross, A. Ross 1991-3-7 4154 Los Angeles Elephant Hill, western Pomona 341 Comment
  SD253536  Rhamnus ilicifolia R. G. Swinney 2011-3-18 14135 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris bsin, along Marshall Trail (Glendora 7.5'Q) 366 Comment
  UC219146  Rhamnus ilicifolia Munz and Harwood 1920-3-13 3310 Los Angeles 2 mi w Pomona; San Jose Hills 304 Comment
  CAS-BOT-BC360863  Rhamnus pirifolia Dr. Barton W. Evermann 1915-3-29 s.n. Los Angeles Santa Catalina Island Comment
  UC592851  Rhamnus pirifolia Carl B. Wolf 1932-10-5 Los Angeles 1 mi from Middle Ranch (on road to Black Jack Peak); Santa Catalina Island 274 Comment
  RSA188539  Rhamnus tomentella subsp. cuspidata Robert F. Thorne, John Olmsted 1965-8-26 35400 Los Angeles San Gabriel Mtns, Angeles National Forest: Cabin Flat along Prairie Fork, 1585 Comment
  RSA229032  Rhamnus tomentella subsp. cuspidata Robert F. Thorne, C. W. Tilforth 1971-6-29 40716 Los Angeles San Gabriel Mountains, Angeles National Forest: Aliso Creek at Tie Canyon where crossed by Angeles Forest Road. 1372 Comment
  POM293306  Rhus integrifolia Lyman Benson 1945-2-13 11600 Los Angeles Claremont. 335 Comment
  RSA199015  Rhus ovata W. M. Gauntt 1966-4-30 166 Los Angeles Glendora Mt. Ridge Road. 1/2 mile south of ''Y'' to Mt. Baldy 914 Comment
  LA212306  Rhus trilobata Lee Haines; 1935-7-4 s.n. Los Angeles SAN GABRIEL MOUNTAINS, Little Dalton. Comment
  RSA317215  Rhus trilobata var. anisophylla Michael C. Long 1974-5-19 s.n. Los Angeles Deviel s Punchbowl Co. Park, 0.5 mi. N of Parking area. Comment
  RSA11765  Rhus trilobata var. pilosissima E. Lloyd 1933-1 25 Los Angeles Santa Monica Mountains, Mandeville Canon. Comment
  RSA85320  Ribes amarum F. W. Peirson 1919-4-5 316 Los Angeles Mt. Wilson Toll Road, S side of San Gabriel Mts 1067 Comment
  UCSB12453  Ribes aureum Haines, A. 1962-3-28 Los Angeles Topanga Canyon Boulevard and Mulholland Drive 259 Comment
  CAS-BOT-BC516702  Ribes aureum var. gracillimum R. G. Swinney 2011-3-15 14097 Los Angeles San Gabriel Mountains: Arcadia, Arcadia Wilderness Park, 2240 Highland Oaks Dr., lower Santa Anita Cyn, southern portion of park 232 Comment
  UCD102112  Ribes aureum var. gracillimum Geoffrey Levin 1974-3-29 4 Los Angeles Wash (Blanchard Park), Pomona College, Claremont. Santa Ana River, Pacific Slope drainage area. Alluvial fan of Mt. San Antonio (San Gabriel Mountains.) Comment
  UC212413  Ribes cereum I. Johnston 1917-7-4 1419 Los Angeles summit Baldy 3048 Comment
  UC11551  Ribes indecorum W. H. Brewer Feb. 1861 182 Los Angeles Cahuenga Pass Comment
  UCSB41828  Ribes indecorum Hanes, Ted 1967-1-27 Los Angeles Lone Pine Canyon; San Gabriel Mtns 1219 Comment
  CAS-BOT-BC173442  Ribes malvaceum Ellsworth Bethel 1920-6-29 s.n. Los Angeles Orchard Camp, Mt. Wilson Trail Comment
  UC79689  Ribes malvaceum Ernest Braunton 1903-1-12 774 Los Angeles Laurel Canyon Comment
  UCR92065  Ribes malvaceum Scott D. White 1995-2-7 2522 Los Angeles Santa Susana Mtns, Sunshine Cyn. Landfill expansion area, directly west of I-5, just south of interchange w/ Hwy 14 457 Comment
  UC284819  Ribes nevadense P. A. Munz 1923-5-26 6847 Los Angeles Vincent Gulch San Gabriel Mts. 2011 Comment
  SBBG72073  Ribes quercetorum R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  UC1127510  Ribes quercetorum G. E. Sindel 1935-1-7 108 Los Angeles 1 1/4 mi se Quail Lake; Tejon Quadrangle Comment
  RSA659872  Ribes roezlii Orlando Mistretta 1992-8-20 768 Los Angeles Transverse Ranges; San Gabriel Mtns Region: Mt Gleason. Tujunga Ranger District. Comment
  UCD102505  Ribes speciosum Gerald Dickinson 1962-5-8 33 Los Angeles Top of Saddle Peak and Stunt Rds. Santa Monica Mountains. 670 Comment
  UC858625  Ribes viburnifolium F. R. Fosberg 1931-4-4 S 4485 Los Angeles Cherry Canyon, Upper Sonoran Zone Santa Catalina Island 30 Comment
  RSA649800  Ricinus communis Matt Brooks 1988-5-12 70 Los Angeles Whittier, Turnbull Canyon Rd. 0.5 miles east of its intersection with Beverly Blvd. Comment
  SFV21428  Ricinus communis L. Gross, M. Denslow, B. Hogshead, S. Swartzentruber 2003-6-17 1030 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Along road across from Brand Canyon Debris Basin at mouth of Brand Canyon. 262 Comment
  RSA0046821  Ricinus communis Erinn Wilson 1996-5-25 24 Los Angeles On dirt road by pasture 10 feet from M lot. Comment
  UCD96084  Romneya coulteri Linda Kianian; Gwenda Lynn 1995-5-10 9 Los Angeles gelndance, abandoned lot on Torress Road. 182 Comment
Read comments
Nov 19 2015
  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
  POM199532  Rosa californica I. W. Clokey, Bonnie C. Templeton 1929-06 4559 Los Angeles Mandeville Canyon, Santa Monica Mts. 350 Comment
  RSA188323  Rosa californica Robert F. Thorne, Percy C. Everett 1965-6-23 35004 Los Angeles Santa Catalina Island, lower portion of Hamilton Canyon near main fork. 122 Comment
  RSA628307  Rosa multiflora Louis C. Wheeler 1972-4-27 s.n. Los Angeles San Gabriel Mountains: Millard Canyon, just south of national forest boundary. Comment
  SD230287  Rubus armeniacus Louis C. Wheeler 1969-12-22 Los Angeles San Gabriel Mountains: Big Santa Anita Canyon. Clump in canyon bottom by abandoned cabin site. 579 Comment
  LA33885  Rubus ursinus Peter H. Raven; 1959-3-15 13849 Los Angeles Santa Monica Mountains, Zuma Canyon, just E of Zuma Beach 21 Comment
  UCD114013  Rubus ursinus Rudolf Schmid 1962-6-7 s.n. Los Angeles Near Manor House, Cal Poly, Pomona. Comment
  CAS-BOT-BC421878  Rumex acetosella Geo. B. Grant No date on label s.n. Los Angeles Pasadena Comment
  POM2343  Rumex conglomeratus P. A. Munz 1918-5-19 2261 Los Angeles Pomona. Comment
  UCR252548  Rumex hymenosepalus R. G. Swinney 2010-3-11 11868 Los Angeles San Gabriel Mountains/Verdugo Mountains, flood plain surrounding Haines Canyon wash, from the I-210 Fwy. in the east, where it crosses wash, to 0.5 mi. west at junction with Big Tujunga Wash 348 Comment
  CDA23198  Rumex salicifolius Phillipson 1915-8-4 Los Angeles South Duarte. Comment
  RSA640883  Rumex salicifolius var. salicifolius Louis C. Wheeler 1967-8-8 10402 Los Angeles San Gabriel Mts., Angeles National Forest: confluence of Alder Creek and East Fork 1250 Comment
  UC520126  Rupertia physodes unknown 1932-5-18 Los Angeles Stone Canyon Santa Monica Mountains Comment
  RSA279095  Ruppia maritima Robert F. Thorne, D. Propst 1974-9-10 45117 Los Angeles Santa Catalina Island: Big Spring area 122 Comment
  RSA383648  Ruppia maritima F. R. Fosberg 1931-5-4 4754 Los Angeles Middle Ranch Canyon, 2nd bridge below Eagle s Nest, Santa Catalina Island 140 Comment
  UCR36540  Salicornia europaea A. C. Sanders, F. C. Vasek 1984-6-6 5078 Los Angeles Mojave Desert, SW end of Rosamond Lake (dry) near E end of Ave. 'C 701 Comment
  UC284282  Salicornia subterminalis P. A. Munz 1923-4-11 6768 Los Angeles Hay Ranch, along the w coast of San Clemente Island San Clemente Island Comment
  SEINET10539335  Salix argophylla David B. Dunn 1937-3-14 Dunn s.n. Los Angeles Inlet 5 or more miles above palos verdes (unspecified state or county). Comment
  RSA587451  Salix exigua Orlando Mistretta 1995-4-5 1590 Los Angeles Drainage W of Little Rock Creek Reservoir. 1006 Comment
  UCR205623  Salix gooddingii A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37028 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
  UCR273750  Salix gooddingii Steven A. Junak 1999-5-20 SCa- 927 Los Angeles Channel Islands, Santa Catalina Island, Cottonwood Canyon, at reservoir 134 Comment
  CATA1802  Salix laevigata Benjamin E. Carter 2012-8-23 6986 Los Angeles Santa Catalina Island: Middle Ranch Canyon, at Pump Station 2 309 Comment
  LA103425  Salix laevigata Barry A. Prigge; 1986-3-20 6960 Los Angeles Santa Monica Mountains, Medea Creek, just N of Paramount Ranch State Park 231 Comment
  POM2057  Salix laevigata I. M. Johnston 1918-3-14 1988 Los Angeles San Gabriel River at El Monte. 91 Comment
  RSA597765  Salix laevigata Steve D. Boyd, Lauren Raz 1997-3-14 9188 Los Angeles Liebre Mountains, lower southeastern flank of Bald Mountain, near head of Liebre Gulch, due west of Sandberg. 1213 Comment
  SBBG14336  Salix laevigata E. R. Blakley 1961-9-24 4773 Los Angeles Ben Weston Beach 6 Comment
  UC506438  Salix laevigata Carl Hedin and Joseph Ewan 1932-5-10 7649 Los Angeles at Colina Dr. Verdugo Canyon Comment
  UC506463  Salix laevigata Carl Hedin and Joseph Ewan 1933-1-28 7621 Los Angeles at Radford Dr. Los Angeles River; San Fernando Valley, Los Angeles River Comment
  CATA3188  Salix lasiolepis Julia Parish 2016-8-9 006 Los Angeles Santa Catalina Island: East of Old Cottonwood Dam Road, at drainage crossing 68 Comment
  POM362747  Salix lasiolepis Ora M. Clark 1929-3-29 1825 Los Angeles N. W. Sandberg. Comment
  RSA127458  Salix lasiolepis Peter H. Raven, Henry J. Thompson 1958-10-11 13749 Los Angeles Tuna Canyon 1.8 miles north of Coast Highway 427 Comment
  RSA652674  Salix lasiolepis G. F. Orr 1956-3-29 s.n. Los Angeles North Fork, San Gabriel Canyon. 457 Comment
  UC5057  Salix lasiolepis W. H. Brewer 1860-12-23 86 Los Angeles Los Angeles Sierra Santa Monica Comment
  UCR223598  Salix lasiolepis R. G. Swinney 2009-6-8 11088 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
  UCR258953  Salix lasiolepis R. G. Swinney 2010-2-27 11755 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland, SE end of Hansen Dam Basin, Haines Canyon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain 348 Comment
  UCR271603  Salix lasiolepis R. G. Swinney 2011-10-13 15774 Los Angeles San Gabriel Mountains, Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek 1573 Comment
  SEINET10396574  Salix lasiolepis G. B. Grant 1904-1 1161 Los Angeles Pasadena. Comment
  SEINET4855861  Salix lasiolepis var. bracelinae F. R. Fosberg 1932-1-26 7179 Los Angeles Santa Monica Mts., in bottom of Topanga Canyon. 69 Comment
  CAS-BOT-BC128525  Salix lasiolepis var. lasiolepis F. R. Fosberg 1932-1-26 7176 Los Angeles In bottom of Topanga Canyon, Santa Monica Mts. 225 Comment
  CAS-BOT-BC126294  Salix sessilifolia Geo. B. Grant 1901-4-1 1156 Los Angeles Los Angeles Comment
  LA29095  Salsola tragus Mary V. Hood; 1944-10-8 44- 125 -k* Los Angeles Riverside Drive, nr. Griffith Park Comment
  RSA756961  Saltugilia australis Orlando Mistretta, Christine Mistretta 2008-4-14 2450 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 17 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1140 Comment
  RSA191181  Saltugilia splendens subsp. grantii R. F. Thorne, M. Z. Thorne 1967-7-19 37140 Los Angeles Angeles National Forest: Crystal Lake Recreation area, just above junction of roads to Crystal Lake and Angeles Crest Hwy. 1555 Comment
  SJSU13414  Saltugilia splendens subsp. grantii C. W. Sharsmith 1945-9-7 5463 Los Angeles E side Mt Waterman, San Gabriel Mts 2072 Comment
  POM49830  Saltugilia splendens subsp. splendens J. B. Feudge 1924-6-10 575 Los Angeles Big Pines, Swartout [Swarthout] Valley. 1982 Comment
  RSA3533  Salvia apiana Carl B. Wolf 1932-5-9 3477 Los Angeles Left (east) fork of Pebbly Beach Canyon about 1/3 mile above the Mexican houses, Santa Catalina Island. 152 Comment
  RSA424323  Salvia apiana William Emboden 1970-6-12 39 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  POM302284  Salvia apiana Lyman Benson 1957-5-23 15732 Los Angeles Webb School, above Claremont. 488 Comment
  UCLA70137  Salvia carduacea C. Epling and L. Ellison 1930-4-17 Los Angeles Palmdale Comment
  RSA0094362  Salvia columbariae R. G. Swinney 2011-5-31 14904 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  RSA549554  Salvia columbariae Tim S. Ross 1992-4-4 6072 Los Angeles Three Sisters: SW Mojave Desert, 1 mile SE of Back Butte; middle butte of the three. 969 Comment
  SD231333  Salvia columbariae Sula Vanderplank, LeRoy Gross & Steve Hoskinson. 2005-5-6 50506 7 Los Angeles Transverse Ranges; San Gabriel Mountains region; Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  UCR153567  Salvia columbariae A. C. Sanders 2005-5-11 30180 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
  UCR280522  Salvia columbariae R. G. Swinney 2014-4-10 16011 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  CAS-BOT-BC224946  Salvia dorrii var. pilosa Louis C. Wheeler 1932-4-9 573 Los Angeles 4 mi. W Fairmont, Mohave [Mojave] Desert 914 Comment
  RSA573480  Salvia leucophylla Tim S. Ross 1992-6-15 6571 Los Angeles Whittier Hills (local name for the western extremity of the Puente Hills): upper end of Turnbull Canyon. 256 Comment
  SD43735  Salvia leucophylla Darley F. Howe 1948-5-29 1985 Los Angeles Santa Monica Mountains. Comment
  UCR153552  Salvia leucophylla A. C. Sanders 2005-5-11 30182 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
  RSA144754  Salvia mellifera Alice Ann Webb 1961-2-28 777 Los Angeles Padua Hills, side road off parking lot, Claremont. San Gabriel Mt. Range 442 Comment
  SBBG12653  Salvia mellifera E. R. Blakley 1962-10-5 5431 Los Angeles NE side of Black Jack Mtn at the jct of Island Rd and White's Landing Rd 381 Comment
  UC883959  Salvia mellifera F. R. Fosberg 1931-3-18 S 4291 Los Angeles Hamilton Canyon Hamilton Canyon, Santa Catalina Island; Santa Catalina Island 10 Comment
  POM9093  Sambucus mexicana P. A. Munz, R. D. Harwood 1920-5-17 3970 Los Angeles Topanga Canyon, Santa Monica Mountains 152 Comment
  RSA477544  Sambucus mexicana F. R. Fosberg 1931-7-14 S- 5409 Los Angeles Santa Catalina Island. 5 Comment
  CAS-BOT-BC238735  Sambucus nigra subsp. caerulea Carl B. Wolf 1932-7-6 3832 Los Angeles San Fernando Valley, Van Nuys Blvd. 1/2 mi. east of Pacoima Post Office 335 Comment
  CAS-BOT-BC238748  Sambucus nigra subsp. caerulea Le Roy Abrams; E. A. McGregor 1908-7-2 596 Los Angeles Rock Creek, desert slopes of the San Gabriel Mountains 1828 Comment
  OBI35605  Sambucus nigra subsp. caerulea Rebecca Cicoria 1981-5-17 32 Los Angeles Sepulveda cyn, just off Crest Rd., Rolling Hills Comment
  JEPS195  Sanicula arguta Frank W. Peirson 1919-3-27 336 Los Angeles Lukens Peak Trail San Gabriel Mountains (foot) 579 Comment
  POM243792  Sanicula arguta F. R. Fosberg 1931-3-23 S- 4334 Los Angeles Hamilton Canyon, Santa Catalina Island. 40 Comment
  SBBG80282  Sanicula arguta F. C. Boutin 1967-4-23 1641 Los Angeles Nanny, NW of Lemon Tank 213 Comment
  UCR213238  Sanicula arguta Dan S. Cooper 2010-3-26 20100326- 21 Los Angeles Western Transverse Range, eastern Santa Monica Mtns., Griffith Park, between Fern Canyon and Lower Beacon Trail 198 Comment
  UCR256877  Sanicula crassicaulis R. G. Swinney 2010-6-8 13209 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail 573 Comment
  UCR247279  Sanicula tuberosa Dan S. Cooper 2013-3-17 313- 53 Los Angeles Western Transverse Range; Hollywood Hills, Los Angeles, Royce Canyon in Griffith Park, off Mt. Hollywood Dr. 297 Comment
  RSA773673  Sarcodes sanguinea R. G. Swinney 2009-6-3 11040 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  CAS-BOT-BC219076  Schinus molle Louis C. Wheeler 1932-10-22 1437 Los Angeles Liveoak Wash near La Verne 403 Comment
  UCR151015  Schinus molle Scott D. White 1997-5-7 5054 Los Angeles San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, alluvial fan at base of mountains. SW of Hwy 210, east of Hansen Dam, and north of Wentworth Street 351 Comment
  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
  UCR216750  Schismus barbatus R. G. Swinney 2009-2-20 10011 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  IRVC26287  Scrophularia californica Mark A. Elvin, Cathleen Weigand 2003-5-22 2900 Los Angeles crest of mountains at head of Salt Canyon, Newhall Ranch Santa Susana Mtns. 915 Comment
  UC103817 Image available Scrophularia californica var. catalina Brandegee May 1890 Los Angeles Santa Catalina Island Comment
  SBBG79218  Scrophularia villosa F. R. Fosberg 1932-5-6 8133 Los Angeles Big Wash Cyn, Avalon 25 Comment
  UCR281604  Scutellaria mexicana R. G. Swinney 2014-4-18 16140 Los Angeles San Gabriel Mountains, north end of Alimony Ridge, c. 50 m east of Little Rock Wash, south of Mt. Emma Rd. 957 Comment
  RSA651610  Secale cereale Harold Mosher 1948-5-4 s.n. Los Angeles On a farm near Littlerock. 2 miles W of Littlerock. 548 Comment
  UCR114587  Secale cereale A. C. Sanders, Steve Boyd 1997-4-20 20492 Los Angeles Antelope Valley, along Hwy 138 in vicinity of 230th St. West 890 Comment
  RSA0063082  Sedum album R. E. Riefner 2006-7-18 06 -305 Los Angeles City of Pasadena, San Rafael Hills, vicinity of Wierfield Dr. at Glen Oaks Bld. 389 Comment
  RSA0043001  Selaginella bigelovii R. G. Swinney 2010-6-21 13258 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail. 561 Comment
  RSA482390  Selaginella bigelovii Richard Noyes 1987-10-17 456 Los Angeles San Gabriel Mountains. San Antonio Canyon. One-half mile north of Mt. Baldy road tunnels along gated road leading to power station. 1037 Comment
  SBBG97026  Selaginella bigelovii S. Boyd with T. Ross, L. Arnseth 1990-4-8 4411 Los Angeles Bryce Cyn near Malo Pt Comment
  POM296980  Selaginella bigelovii Karen Hosterman 1957-4-8 977 Los Angeles Catalina [Island]; north side of Avalon. Comment
  JEPS37437  Senecio flaccidus var. douglasii W. L. Jepson 1941-10-28 20647 Los Angeles Piru Gorge Comment
  RSA472949  Senecio flaccidus var. douglasii Erwin Miller 1934-6-30 19121 Los Angeles Fish Canyon, San Gabriel Mountains. Comment
  UCR125162  Senecio flaccidus var. douglasii A. C. Sanders, Mark Elvin 2002-6-18 25126 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  RSA585402  Senecio flaccidus var. monoensis Timothy S. Ross, S. D. Boyd 1990-5-29 2715 Los Angeles Big Rock Springs: immediate vicinity of Big Rock Creek where crossed by Big Pines Highway (Valyermo Rd.). 1183 Comment
  UC205604  Senecio flaccidus var. monoensis I. M. Johnston 1917-8-23 1678 Los Angeles Prairie Fork San Antonio Mountains, Prairie Fork (southern California) 1524 Comment
  RSA188365  Senecio lyonii R. F. Thorne, Percy C. Everett 1965-6-22 34854 Los Angeles Santa Catalina Island: along road to Renton Mine. 122 Comment
  SD90260  Senecio lyonii Robert F. Thorne 1973-4-11 42835 Los Angeles San Clemente Island, steep middle portion of canyon 274 Comment
  RSA0108862  Senecio lyonii Steven A. Junak, Mark Hoefs, Lisa Stratton 1998-6-11 SCa- 716 Los Angeles Santa Catalina Island: Along horse trail/fire road on E side of Avalon Canyon, across from Quail Canyon and above baseball field. 106 Comment
  RSA339634  Senecio vulgaris R. F. Thorne, M. Z. Thorne 1980-3-23 54011 Los Angeles Foothills of San Gabriel Mountains: Johnson's Pasture above Claremont. 610 Comment
  UCR91513  Senecio vulgaris Scott D. White 1996-4-13 3932 Los Angeles Claremont. Geneva Avenue: north of San Jose, south of Arrow Highway, west of Indian Hill, east of Towne 323 Comment
  UCR143428  Sesuvium verrucosum I. M. Johnston 1917-4-11 s.n. Los Angeles Coastal Plains and Basins; Los Angeles Basin, Near Gardena, [Dominguez] Slough 12 Comment
  LA93450  Setaria gracilis John O'Leary; 1975-7-15 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 152 Comment
  UC73805  Setaria parviflora L. A. Greata 1900-8-26 Los Angeles Cienega Comment
  RSA512065  Setaria viridis L. C. Wheeler 1966-9-21 8894 Los Angeles San Gabriel Mountains, north fork San Gabriel Canyon, 1/4 mile downhill from intersection of main road to upper Bichota Canyon. 854 Comment
  RSA577556  Setaria viridis L. C. Wheeler 1936-6-12 4147 Los Angeles Monroe Canyon, San Gabriel Mountains. 549 Comment
  UCD14567  Setaria viridis Don Ford 1984-8-10 s.n. Los Angeles California, Los Angeles Co.; Lancaster, Antelope Valley Dairy; Comment
  UC18908  Sidalcea malviflora subsp. sparsifolia H. P. Chandler 1897-3-14 Los Angeles San Dimas 457 Comment
  RSA150923  Silene antirrhina P. H. Raven 1962-5-9 17680 Los Angeles Near head of canyon above Mosquito Cove, San Clemente Island 335 Comment
  RSA151107  Silene antirrhina P. H. Raven 1962-3-27 16999 Los Angeles Palos Verdes Hills along Palos Verdes Drive 1.4 miles east to Portugese Bend. Comment
  SD69597  Silene gallica Robert F. Thorne, P. Everett 1965-5-12 34637 Los Angeles Santa Catalina Island; Bulrush Canyon. 239 Comment
  UC55872  Silene gallica Ernest Braunton 1902-5-15 369 Los Angeles Gardena Comment
  CAS-BOT-BC387013  Silene gallica LeRoy Abrams 1902-5-31 2489 Los Angeles Inglewood Comment
  LA94360  Silene gallica Louis Wheeler; 1932-3-23 521 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  LA94369  Silene laciniata subsp. laciniata Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  POM284  Silene lemmonii I. M. Johnston 1917-6-15 1276 Los Angeles Cascade Canyon. 1372 Comment
  SFV16953  Silene parishii J. N. Hogue, P. Wilson 1997-6-27 88 .1 Los Angeles San Gabriel Mountains Highway 2, mile marker 59.25. 2012 Comment
  RSA65067  Silene verecunda subsp. platyota F. W. Peirson 1929-7-1 8433 Los Angeles San Gabriel Mountains: Tie Canyon, Aliso Creek tributary; trail to Mt. Pacifico 1433 Comment
  RSA609967  Sinapis alba L. C. Wheeler 1970-5-9 s.n. Los Angeles Los Angeles: 9th Street at Stanford Avenue. Comment
  RSA659871  Sisymbrium altissimum Orlando Mistretta 1992-8-20 765 Los Angeles San Gabriel Mts region: Mt. Gleason Management Unit. Mt Gleason. Tujunga Ranger District. Comment
  RSA638818  Sisymbrium officinale Valerie L. Soza, Laura Moore 1999-6-30 584 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail. 853 Comment
  SBBG130710  Sisymbrium officinale S. A. Junak 2000-7-1 SCa 1374 Los Angeles Cape Cyn 265 Comment
  RSA624049  Sisymbrium orientale L. C. Wheeler 1967-5-23 9705 Los Angeles Near mouth of Bear Canyon, off Soledad Canyon. 579 Comment
  UCR194187  Sisyrinchium R. G. Swinney 1998-7-29 6530 Los Angeles San Gabriel Mtns., Dawson Peak Ridge (west side), at spring on NNW facing slope, c. 100 m above canyon bottom, c. 0.5 mi. NE of Upper Fish Fork Camp 2110 Comment
  SEINET3220969 Image available Sisyrinchium bellum Norman C. Cooper 1945-5-1 2234 Los Angeles Tapia Park area, Santa Monica Mountains. Comment
  CDA39478  Sisyrinchium rosulatum A. C. Sanders, D. Malueg 2001-5-17 24313 Los Angeles Los Angeles Basin; Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned. Comment
  SD48953  Solanum americanum Reid Moran 1958-9-15 6834 Los Angeles 1.8 miles SE of Eel Point, San Clemente Island 99 Comment
  CHSC98109  Solanum douglasii LeRoy Gross; Laura Moore 2000-6-5 206 Los Angeles Verdugo Mountains: Canyon east of Brand Canyon by the Brand Lateral Trail, out of Brand Park, north of corners of Grandview and Mountain, Glendale. Narrow, sunny small canyon between Brand and Idlewood Canyons. 274 Comment
  POM280548  Solanum douglasii Arthur L. Cohen 1934-8-2 482 Los Angeles Topango [Topanga] Canyon, Malibu Mountain Range, Topango Canyon Watershed. 30 Comment
  UC1211006  Solanum douglasii Huron H. Smith 1912-5-1 4885 Los Angeles Eagle Rock Valley 152 Comment
  POM305051  Solanum douglasii Henry J. Ramsey, Henry J. Ramsey 1937-1-23 1300 Los Angeles Altadena, Craige Ave. 396 Comment
  RSA658408  Solanum douglasii Erinn Wilson 1996-4-26 4 Los Angeles G Canyon on Cal Poly Campus Pomona. Comment
  SD237633  Solanum nigrum R. G. Swinney 2009-4-13 10313 Los Angeles Transverse Ranges: San Gabriel Mountains Foothills: San Gabriel River under the Puente Largo railway bridge, 0.5 mile north of Foothill Blvd. oneast side of El Encanto Parkway, west of El Encanto Park in Duarte (Azusa 7.5'Q) West side of channel. 184 Comment
  UCR54032  Solanum physalifolium var. nitidibaccatum S. J. Myers 1988-10-13 s.n. Los Angeles Mojave Desert, East Lancaster, at and near Little Rock Wash, between 40th St. E and 70th St. E and between Ave. L and Ave. J 734 Comment
  CAS-BOT-BC156780  Solanum umbelliferum A. Eastwood 1928-6-15 15390 Los Angeles Claremont Comment
  CAS-BOT-BC156795  Solanum umbelliferum T. S. Ross 1995-4-7 8370 Los Angeles Old Ridge Route: 2.9 road miles NNW of its intersection with Templin Highway; ca. 1840 m WNW of the confluence of Castaic Creek and Fish Canyon 945 Comment
  RSA0055994  Solanum umbelliferum Richard G. Swinney 2010-3-16 11941 Los Angeles San Gabriel Mountains/Verdugo Mountains: confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  RSA427418  Solanum umbelliferum L. E. Hoffman 1929-6-23 s.n. Los Angeles Pacoima Canyon. San Gabriel Mountains, Angeles Forest. Comment
  RSA427434  Solanum umbelliferum I. W. Clokey, E. G. Anderson 1935-5-9 6878 Los Angeles San Dimas Canyon Comment
  RSA748741  Solanum umbelliferum R. G. Swinney 2008-3-31 8585 Los Angeles Glendora Mountain summit 1003 Comment
  CAS-BOT-BC156509  Solanum umbelliferum Prof. W. R. Dudley 1907-12-18 s.n. Los Angeles Sawpit [Canon] Canyon (near Monrovia) Comment
  SEINET6186050  Solanum umbelliferum R. W. Summers 1886-1 s.n. Los Angeles Santa Monica hills Comment
  UC26256  Solanum umbelliferum J. Burtt Davy May 9 1896-May 24 1896 2343 Los Angeles between Gorman Station and Fort Jejon (Antelope Valley); Antelope Valley Comment
  RSA188298  Solanum wallacei Robert F. Thorne 1966-6-2 36520 Los Angeles Santa Catalina Island. In canyon leading to White's Landing, E of Black Jack Mountain. 91 Comment
  SBBG31480  Solanum wallacei R. F. Thorne 1966-4-5 35798 Los Angeles Black Jack Mtn, 0.125 mi down rd to White's Landing 411 Comment
  SD28035  Solanum wallacei subsp. clokeyi Carl B. Wolf 1932-5-9 3491 Los Angeles Santa Catalina Island. Along road to Renton Mine, about due west of Pebbly Beach 305 Comment
  LA51825  Solanum xanti Mary Reynolds; 1937-4-12 70 Los Angeles Santa Monica Mountains, Franklin Canyon Comment
  UC1929853  Solanum xanti Scott D. White, Michael Honer 2003-6-18 9564 Los Angeles LIEBRE MTS.: Canyon Country. Steep, actively eroding slopes immediately above homes and detention basins in tributary to west of Tick Canyon. Comment
  UCSB9424  Solanum xanti Wedberg, H. 1957-3-16 Los Angeles Faculty Hill, UCLA Comment
  UCR61032  Solidago californica R. G. Swinney 1989-5-20 s.n. Los Angeles San Gabriel Mtns, in and near Glendora Wilderness Park, Big Dalton Canyon. 150 yds east of Big Dalton Campground, 1 mi NE of Glendora Mtn. Road 427 Comment
  RSA749117  Solidago occidentalis R. G. Swinney 2005-8-5 8388 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  RSA600479  Sonchus asper subsp. asper Steve Boyd, Lauren Raz 1997-4-30 9612 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
  RSA127961  Sonchus oleraceus H. J. Thompson, P. H. Raven 1959-6-4 14346 Los Angeles Point Dume. 15 Comment
  RSA596367  Sonchus oleraceus R. G. Swinney 1989-8-24 s.n Los Angeles Big Dalton Canyon, Glendora Wilderness Park, 1.5 mi. NE of Glendora Mtn Rd. 457 Comment
  RSA651187  Sonchus oleraceus Jim Kishi 1948-2-11 s.n. Los Angeles Foot of mountains west of Dalton Canyon. [ Little or Big Dalton Canyon ?, N of Glendora] Weed growing at edge of orchard under shade of tree in sandy moist soil. Comment
  UCR178947  Sorghum halepense R. G. Swinney 1989-7-13 s.n. Los Angeles San Gabriel Mtns., Glendora, 70 yds. west of Country Club Rd. on Valiant St., NE of Glendora High School 305 Comment
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Apr 11 2014
  CHSC95858  Spartium junceum LeRoy Gross 2004-3-19 1209 Los Angeles Transverse Ranges; Verdugo Mountains region: San Rafael Hills: North section of hills; Gate #4 Along Ridge Motorway (dirt road) at corner of Camino San Rafael and Flintridge drive. Near 34.18091N, 118.21176W. UTM Zone; 3782685N 0388330E. Traveled SSW from this gate a few miles, running parallel with Camino San Rafael near top of ridge. This plant might be planted along the Ridge Motorway just north where it loops around a west trending ridge then comes back too Camino San Rafael. 502 Comment
  LA82445  Spergula arvensis O. H. Kappler; 1944-4-1 564 Los Angeles Santa Monica Mountains, Zuma Mesa Comment
  POM187615  Spergula arvensis J. Ewan 1930-3-11 3719 Los Angeles Mesa above Rustic Canyon, Pacific Palisades Comment
  SBBG105392  Spergularia bocconi R. M. Beauchamp 1976-5-22 4114 Los Angeles dump at Lemon Tank 332 Comment
  SBBG128558  Spergularia bocconi M. L. Hoefs, D. R. Hoefs, J. Hernandez 1995-6-21 2298 Los Angeles upper Bulrush Cyn 286 Comment
  UCR95165  Spergularia bocconi P. H. Raven 1962-4-11 17256 Los Angeles Channel Islands, San Clemente Island, sandy beach due west of Wall 2 9 Comment
  SBBG26555  Spergularia macrotheca var. macrotheca M. R. Benedict 1965-12-12 Los Angeles E end of Parson's Beach 4 Comment
  LA82419  Spergularia macrotheca var. macrotheca O. H. Kappler; 1944-5-15 619 Los Angeles 9 Comment
  RSA0098218  Spergularia macrotheca var. macrotheca R. F. Thorne 1973-4-12 42911 Los Angeles San Clemente Island: China Point at end of road. 15 Comment
  RSA65565  Spergularia platensis F. W. Peirson 1944-8-19 s.n. Los Angeles at 1085 New York Avenue, Altadena Comment
  CAS-BOT-BC390548  Spergularia platensis C. C. Parry 1882-1-1 s.n. Los Angeles Compton Comment
  RSA0098138  Spergularia rubra Scott D. White, Justin M. Wood 2008-10-7 12561 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, between Bear Creek and Rincon Red Box Rd. 549 Comment
  RSA0087102  Spergularia villosa Steven A. Junak 2001-5-4 SCa- 1492 Los Angeles Santa Catalina Island. E of Parson's Landing. 115 Comment
  SD107813  Spergularia villosa Larry DeBuhr, Gary Wallace 1972-9-2 699 Los Angeles San Clemente Island; at the first canyon south of Lemon Tank. 365 Comment
  SEINET186837  Sphaeralcea fasciculata Ynez W. Winblad 1938-5-14 Los Angeles Santa Ana Canyon. Comment
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Feb 10 2015
  POM182361  Stachys albens Joseph A. Ewan 1931-10-24 5281 Los Angeles Santa Monica Mountains: 0.5 mile below Seminole Hot Springs. Comment
  POM306198  Stachys albens Henry J. Ramsey, Henry J. Ramsey 1937-7-18 s.n. Los Angeles Altadena, San Gabriel Mts., Soldier's Creek. Comment
  UC1595232  Stachys albens Tim Ross, Peter Fritsch 1990-6-20 3604 Los Angeles near Confluence of E and W Forks of the San Gabriel River (mouth of Burro Canyon); San Gabriel Mountains, Burro Canyon 445 Comment
  UC1595425  Stachys albens Tim Ross 1992-7-10 6661 Los Angeles between Coldwater Canyon and Wickiup Canyon; San Gabriel Mountains, Big Tujunga Creek 967 Comment
  UCR259370  Stachys albens R. G. Swinney 2010-8-26 13591 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  RSA446635  Stachys bullata E. S. Spalding 1925-4-26 16014 Los Angeles Arroyo Seco Comment
  RSA0016978  Stachys bullata J. R. 1936-4-9 s.n. Los Angeles Laurel Canyon. Comment
  LA52387  Stachys rigida var. rigida Carl Epling; May 1934 Los Angeles Santa Monica Mountains, Mulholland Drive Comment
  RSA682508  Stanleya pinnata Scott D. White, Michael Honer 2003-5-7 9228 Los Angeles Liebre Mountains: Tapia Canyon, about 2 air miles east of Interstate 5 junction at Old Ridge Route. 427 Comment
  SD186098  Stebbinsoseris heterocarpa A. C. Sanders, T. B. Salvato 2005-4-26 29742 Los Angeles Santa Clarita area, bowl between ridges at northeast end of Cruzan Mesa, just south of Vasquez Canyon Road. 594 Comment
  RSA784835  Stebbinsoseris heterocarpa J. D. Olmsted 1959-5-13 618 Los Angeles San Gabriel Mountains; Evey Canyon, 550 yards west of San Antonio Canyon 716 Comment
  UCD99438  Stellaria media Robert F. Thorne; J. Henrickson 1963-5-5 32288 Los Angeles near mouth of Cobal Canyon, foothills of San Gabriel Mts., 4 miles N of Claremont. 518 Comment
  RSA608647  Stellaria media L. C. Wheeler 1931-3-11 s.n. Los Angeles La Verne. Comment
  UCR216564  Stephanomeria Dan S. Cooper 2010-6-15 610- 64 B Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Forest Lawn Drive west of Griffith Park 163 Comment
  RSA151312  Stephanomeria blairii P. H. Raven 1962-5-10 11717 Los Angeles South side of canyon just north of Thirst, San Clemente Island. 198 Comment
  RSA232818  Stephanomeria blairii R. F. Thorne 1966-4-16 36029 Los Angeles San Clemente Island, canyon S of Lemon Tank, S of Nanny, NE side of island 152 Comment
  RSA526143  Stephanomeria blairii Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-6 4137 Los Angeles San Clemente Island: Stone House field station on E side of island, headland between Stone & Burns Canyons. 457 Comment
  UCSB7370  Stephanomeria exigua S. Albright 1957-4-21 Los Angeles collected 15.0 mi E, along State Highway 138 Lancaster - , and State Highway 138 Comment
  RSA474193  Stephanomeria exigua subsp. coronaria Richard Arnold 1984-8-10 1026 Los Angeles LAX dunes, Playa del Rey (El Segundo Blue survey) Area V2. Comment
  RSA579437  Stephanomeria exigua subsp. coronaria Timothy S. Ross 1994-6-22 7997 Los Angeles vicinity of Santiago Canyon: lower end of major NE-draining tributary of Santiago Canyon (originating at saddle with upper N fork of Tie canyon; joining Santiago Cyn stream at 4385 ft.) 1390 Comment
  RSA709573  Stephanomeria pauciflora Anuja Parikh, Nathan Gale 2004-7-1 2076 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley: Newhall Ranch (study area 15), south of the river near Potrero Canyon. 305 Comment
  SBBG67911  Stephanomeria pauciflora R. Hoffmann 1927-8-31 Los Angeles E slope of divide in Mint Cyn Comment
  UCD136406  Stephanomeria pauciflora Scott D. White; Pam DeVries 20-21 Nov 1997 6025 Los Angeles Big Tujunga Wash (San Gabriel Mountain Foothills/ East San Fernando Valley): west of Sunland, southwest of I-210 Freeway, east of Hansen Dam, and north of Wentworth St. 335 Comment
  RSA188552  Stephanomeria spinosa R. F. Thorne, John Olmstead 1965-8-26 35371 Los Angeles Blue ridge, ca. 1/2 mi beyond junction with Angeles Crest Hwy 2255 Comment
  CAS-BOT-BC375817  Stephanomeria virgata L. R. Abrams; I. L. Wiggins 1931-7-6 344 Los Angeles San Clemente Island. Vicinity of Mosquito Harbor Comment
  CAS-BOT-BC375811  Stephanomeria virgata Philip A. Munz 1932-8-31 12819 Los Angeles At Playa del Rey Comment
  POM11458  Stephanomeria virgata P. A. Munz, R. D. Harwood 1920-8-11 4383 Los Angeles 1 mi. So. of Claremont. 366 Comment
  RSA748489  Stephanomeria virgata subsp. virgata Orlando Mistretta 1992-7-9 642 Los Angeles Transverse Ranges; San Gabriel Mountains region: Colby Creek Canyon Trail. Tujunga Ranger District. Comment
  UCR138860  Stipa cernua L. C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mtns., north of Mill Canyon off Soledad Canyon, near Ravenna 716 Comment
  UCR192925  Stipa coronata Dan S. Cooper 2008-5-12 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, along footpath up ridge just above Sunset Ranch Stables, Los Angeles 335 Comment
  UCR94442  Stipa coronata R. G. Swinney 1996-5-27 4734 Los Angeles Eastern San Gabriel Mtns, east of Table Mountain and NW of Wright Ridge 2274 Comment
  UCR157923  Stipa lepida Robert J. Steers 2005-5-8 6 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
  UCR280509  Stipa lepida R. G. Swinney 2014-5-13 16495 Los Angeles San Gabriel Mountains, Glendora, west fork of Hook Cyn., c. 0.4 km north of Sierra Madre Av., 100-300 m west of entrance to Church of the Open Door, Colby Fire burn of Jan. 2014 354 Comment
  UCR51268  Stipa lepida Lyman Benson 1947-5-2 12350 Los Angeles South slope of San Gabriel Mtns., Indian Hill Boulevard, Claremont 427 Comment
  CATA1565  Stipa pulchra Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-4 2833 Los Angeles Santa Catalina Island: Hillside above New York Harbor 79 Comment
  CATA1334  Stuckenia pectinata Mark L. Hoefs, Robert F. Thorne, Janet Takara 1995-7-25 2436 Los Angeles Santa Catalina Island: Echo Lake 396 Comment
  OBI17216  Stutzia covillei Bill Arbaugh 1966-4-16 14 Los Angeles W on 138 from Lancaster Comment
  RSA92504  Stylocline gnaphaloides F. W. Peirson 1921-5-20 2789 Los Angeles Little Rock Creek, north base of San Gabriel Mountains. 1098 Comment
  OBI56531  Stylocline masonii Tim Ross, Steve Boyd, Laurel Arnseth 1991-4-30 4965 a Los Angeles Soledad Cyn Wash (easterly extension of the Santa Clara river wash system); broad sandy wash 2600 ft ESE of Acton. T5 R13W, SE/4 SE/4 sect 36, Acton 7.5 USGS quad 829