Search Results — 2000 specimen records retrieved (1578 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA0065508  Abies concolor Rudi Schmidt 1962-6-2 s.n. Los Angeles Swarthout Valley, Angeles National Forest. 1981 Comment
  RSA235091  Abronia pogonantha J. Baltierra 1971-5-2 30 Los Angeles 15 mi E of Palmdale on S slope of Lovejoy Buttes in Mojave Desert 915 Comment
  RSA250605  Abronia pogonantha Robert F. Thorne, Arthur C. Gibson, J. P. Simon, D. J. McGillivray 1970-4-17 39512 Los Angeles Mojave Desert: Edge of Angeles National Forest; Grandview Canyon. Ca. 5 miles south of Highway 138, ca. 10 miles southeast of Pearblossom. 1433 Comment
  RSA126739  Abronia umbellata Peter H. Raven 1959-3-14 13858 Los Angeles just E of Zuma Beach, Point Dume 8 Comment
  RSA460990  Abronia umbellata Ora M. Clark 1929-2-3 1501 Los Angeles Venice Comment
  RSA604521  Abronia umbellata Sara L. Crockett, Sheila Schueller 1997-3-20 596 Los Angeles NE corner of Ben Weston Beach, ca 100 m from Pacific Ocean 6 Comment
  LA28404  Abronia umbellata subsp. umbellata Harlan Lewis; 1940-4-3 1269 Los Angeles Santa Monica Mountains, 10 mi. N [W] of Malibu Beach 1 Comment
  RSA579228  Acacia cyclops T. S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, D. L. Banks, Megan Tommerup 7425 Los Angeles Rancho Palos Verdes; unnamed horseshoe shaped canyon to the NE of upper Forrestal drive. 259 Comment
  SEINET10940013  Acacia decurrens Jon Ricketson, Heidi H. Schmidt 1992-10-21 Ricketson 4818 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Garden, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  CAS-BOT-BC331560  Acer macrophyllum Joseph Andorfer Ewan 1932-7-4 7582 Los Angeles Millards Canyon above the falls, San Gabriel Mts. Comment
  JEPS42665  Acer macrophyllum Carl Epling, J. Ewan 1933-7-7 7844 Los Angeles Lower Topango Canyon Santa Monica Mts., Lower Topango Canyon Comment
  RSA696442  Acer macrophyllum J. Vlahos 1934-5-20 s.n. Los Angeles Beyond Camp Angeles. 1677 Comment
  RSA700382  Acer macrophyllum Tim Thibault 2003-9-21 56 Los Angeles west side of Highway 2, 1.1 miles north of entry to Angeles National Forest 735 Comment
  UC635156  Acer macrophyllum Herbert L. Mason 1927-6-14 3762 Los Angeles San Antonio Canyon San Gabriel Mts., San Antonio Canyon 1889 Comment
  SD27738  Achillea millefolium Carl B. Wolf 1932-5-9 Los Angeles Santa Catalina Island; junction of Skyline Drive and Pebbly Beach Road. 29 Comment
  SD51907  Achillea millefolium Peter H. Raven 1962-4-11 17303 Los Angeles San Clemente Island; 1.0 mile south of Wilson Cove. 120 Comment
  RSA729643  Achnatherum parishii subsp. parishii R. G. Swinney 1998-7-2 6241 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  POM353190  Achnatherum speciosum Anstruther Davidson 1893-4-23 s.n. Los Angeles San Fernando Comment
  CAS-BOT-BC29819  Achyrachaena mollis L. Street; G. Williams 1919-4-12 2503 Los Angeles Hills near Puente Comment
  SBBG67341  Acmispon americanus M. N. Ackley 1927-5-29 538 Los Angeles Mulholland Drive 281 Comment
  LA47817  Acmispon argophyllus var. argophyllus T. Craig; 1927-6-8 402 Los Angeles Bear Canyon trail to Mt. San Antonio Comment
  LA91410  Acmispon grandiflorus var. grandiflorus Bruce Douglas Clayton; Greg Shaw 1972-3-16 10 Los Angeles Santa Monica Mountains, Mountain Park Research Campus, upper canyon entrance 579 Comment
  RSA0106740  Acmispon heermannii var. heermannii R. G. Swinney 2011-5-19 14761 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 Milley's Apple Orchard. 912 Comment
  UCR271597  Acmispon heermannii var. heermannii R. G. Swinney 2011-5-19 14761 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
Read comments
Aug 31 2017
  SD232248  Acmispon micranthus V. Soza, LeRoy Gross 2001-5-22 1244 Los Angeles Transerve Ranges, San Gabriel Mountains region: Morgan Fire 2000 area, between Morgan and Wildwood Canyons, just below Ferguson Motorway. 473 Comment
  CHSC98725  Acmispon strigosus LeRoy Gross; Laura Moore, Debby Zygielbaum, Ron Burchet 2000-6-8 244 Los Angeles Verdugo Mountains; off La Tuna Canyon road, on Santa Monica Mountains Conservancy land. On trail up out of canyon and going to the crest following a ridge running northwest from the crest, on road cut (firebreak) near the crest. 926 Comment
  UC1211026  Acourtia microcephala Huron H. Smith 1912-6-10 5081 Los Angeles Cherry Canyon Santa Catalina Isl. Comment
  LA52117  Adenostoma fasciculatum Carl Epling; L. Ellison 1929-4-27 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  SEINET3100958 Image available Adenostoma fasciculatum G. Rink 2011-6-1 10571 Los Angeles Chino Hills, northeast of La Brea, weedy place. 260 Comment
  UCR276945  Adenostoma fasciculatum R. G. Swinney 2010-5-21 12866 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
  RSA390577  Adenostoma fasciculatum var. fasciculatum Betty Munson 1940-4-21 s.n. Los Angeles Bouquet Canyon. Comment
  SBBG31287  Adenostoma fasciculatum var. fasciculatum R. F. Thorne with P. C. Everett 1965-5-10 Los Angeles S slope of Black Jack Mtn, a few hundred ft below summit 487 Comment
  LA202378  Adenostoma sparsifolium Arthur C. Gibson; 2003-7-23 4850 Los Angeles Comment
  CHSC118947  Adiantum capillus-veneris Duncan S. Bell; Caitlin Elam 2013-6-24 5267 Los Angeles Transverse Ranges; San Gabriel Mountains region: Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
  RSA0110592  Adiantum capillus-veneris Richard G. Swinney 2010-6-8 13232 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, along Waterfall Trail in Los Pinetos Cyn., 0.4 to 0.6 miles south of Placerita Cyn. at Walker Campground, from waterfall to 0.2 miles downstream. At waterfall only. 598 Comment
  SD211480  Adiantum capillus-veneris Scott D. White, Chris Huntley 2008-9-30 12545 Los Angeles San Gabriel Mountains: San Gabriel River- West fork between Bear Creek and Cogswell Dam 609 Comment
  UCR193594  Adiantum capillus-veneris R. G. Swinney 1998-8-6 6704 Los Angeles San Gabriel Mtns., Alder Gulch, a western tributary of upper East Fork San Gabriel River 1311 Comment
  RSA640809  Adiantum jordanii L. C. Wheeler 1931-3-31 s.n. Los Angeles San Gabriel Mountains: Burbank Canyon. Comment
  RSA687709  Adiantum jordanii T. S. Clare 1929-3-28 s.n. Los Angeles Topanga Canyon. Comment
  CAS-BOT-BC140651  Ageratina adenophora A. C. Sanders 2003-3-14 25748 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 560 Comment
  UCR98929  Agropyron cristatum T. S. Ross, Steve Boyd, Orlando Mistretta, Peter Fritsch 1990-6-22 3764 Los Angeles San Gabriel Mtns., Pinyon Ridge, western half of the ridge, between upper Little Rock Creek and the San Andreas Rift Zone 1951 Comment
  RSA3615  Agrostis exarata C. B. Wolf 1932-5-14 3634 Los Angeles Santa Catalina Island. Hillside above Amphitheatre, Avalon. 61 Comment
  RSA596085  Agrostis exarata Timothy S. Ross, Steve Boyd 1995-6-28 8641 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 707 Comment
  RSA647791  Agrostis pallens LeRoy Gross, Laura Moore 2000-6-5 227 Los Angeles Verdugo Mountains: La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 579 Comment
  RSA682642  Agrostis pallens LeRoy Gross, Bill Hogshead, Valerie Soza 2003-5-29 954 Los Angeles West end of the mountains: At junction (saddle) of Verdugo motorway and Wildwood Fire Road (Abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago.), We went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Mortorway) Basically a triangle. 564 Comment
  UCR190879  Agrostis viridis R. G. Swinney, Dave Larson 1999-6-12 7550 Los Angeles San Gabriel Mtns., upper East Fork San Dimas Canyon, north of confluence with Fern Canyon 869 Comment
  UCR230257  Agrostis viridis Dan S. Cooper 2011-4-15 411- 19 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, Skyline Trail 211 Comment
  LA201815  Alcea rosea Arthur C. Gibson; 2003-6-24 4951 Los Angeles Comment
  RSA367070  Allium burlewii Ralph Hoffmann 1919-6-4 8000 Los Angeles Mt. Pinos. Comment
  SBBG44388  Allium fimbriatum var. mohavense R. Hoffmann 1932-4-23 Los Angeles Mrs. F. Clements place, near Lancaster Comment
  CAS-BOT-BC471088  Allium lacunosum var. lacunosum Timothy S. Ross; Steve Boyd 1994-5-25 7922 Los Angeles Necktie Basin: Hanging basin ca 470-830 m W of Warm Springs Mtn summit. These collections from ca 600-800 m WSW of summit. 1075 Comment
  POM1647  Allium monticola I. M. Johnston 1917-7-4 1446 Los Angeles head of San Antonio Canyon. 2439 Comment
  RSA367033  Allium validum L. E. Hoffman 1932-2-3 s.n. Los Angeles Hermon Hills. Comment
  RSA479530  Allophyllum divaricatum Steve Boyd, Thomas S. Elias 1987-4-14 2070 Los Angeles Ridge between Pine Mountain and Silver Mountain, S of Rincon - Red Box Rd., N of Glendora. Comment
  RSA187859  Allophyllum glutinosum R. F. Thorne 1966-4-30 36336 Los Angeles W fork Gallagher's Canyon, Santa Catalina Island. 91 Comment
  CAS-BOT-BC170975  Alnus rhombifolia Joseph Andorfer Ewan; Nesta Ewan 1936-8-16 10090 Los Angeles Along dry creek bed, Mt. Waterman - Twin Peaks Saddle. San Gabriel Mts. 1981 Comment
  CAS-BOT-BC170977  Alnus rhombifolia Fordyce Grinnell 1903-12-22 29 Los Angeles Arroyo Seco Canon [canyon], near Pasadena Comment
  UC847416  Alnus rhombifolia Marcus E. Jones, A. M. 1882-2-25 2864 Los Angeles Pasadena Comment
  UCR204024  Alnus rhombifolia R. G. Swinney 2001-9-15 8148 Los Angeles San Gabriel Mountains, Windy Spring, c. 0.3 mi northwest of Little Jimmy Campground on Pacific Crest Trail 2256 Comment
  UCR223268  Alnus rhombifolia R. G. Swinney 2009-8-19 11451 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Canyon Wilderness Park, at waterfall 534 Comment
  RSA0082412  Amaranthus albus R. G. Swinney 2010-9-7 13678 Los Angeles Crystal Lake, within 50 ft. of shore line around the entire perimeter. 1683 Comment
  RSA748892  Amaranthus albus R. G. Swinney 2005-7-21 8326 Los Angeles Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  RSA402959  Amaranthus albus E. S. Spalding 1931-7-31 s.n. Los Angeles Manhattan Beach. Comment
  IRVC28684  Amaranthus blitoides A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25540 Los Angeles Newhall Ranch, central Potrero Canyon, at circular cement cattle trough on south side of valley NE end of Santa Susana Mtns. 366 Comment
  UC213022  Amaranthus blitoides I. M. Johnston 1918-7-29 2098 Los Angeles El Monte 91 Comment
  RSA402991  Amaranthus deflexus Anstruther Davidson 1930-9-17 s.n. Los Angeles Los Angeles. Comment
  RSA608869  Amaranthus retroflexus L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon, Blum Ranch. 884 Comment
  LA202296  Amblyopappus pusillus Arthur C. Gibson; 2005-6-6 5045 Los Angeles Santa Monica Mountains, Point Dume, Point Dume Natural Preserve, Trail to Point Dume Comment
  RSA416875  Amblyopappus pusillus F. R. Fosberg 1931-4-29 S 4718 Los Angeles Santa Catalina Island. Small canyon bet. cottonwood and Middle Ranch Canyons. 140 Comment
  RSA594792  Ambrosia acanthicarpa Steve Boyd, Lauren Raz 1996-10-29 9103 Los Angeles Liebre Mountains region, Atmore Meadows area at the southeastern end of Liebre Mountain in a tributary drainage to the North Fork Fish Canyon. 1317 Comment
  RSA625863  Ambrosia acanthicarpa Scott D. White 1998-4-19 6270 Los Angeles Irwindale, San Gabriel River Basin, Santa Fe Flood Control Basin on disturbed alluvial fan. 152 Comment
  UCR210306  Ambrosia acanthicarpa R. G. Swinney 2008-10-16 9592 Los Angeles San Gabriel Mtns., Jackson Lake, south side of Big Pines Highway 1872 Comment
  RSA416893  Ambrosia acanthicarpa F. R. Fosberg 1931-11-7 7206 Los Angeles Small creek near Castaic, Santa Clara Valley. 300 Comment
  CAS-BOT-BC13715  Ambrosia chamissonis Alice Eastwood 1906-5-27 75 Los Angeles Ocean Park Comment
  SBBG12884  Ambrosia chamissonis E. R. Blakley 1962-10-5 5426 Los Angeles N of White's Landing 3 Comment
  POM294576  Ambrosia psilostachya Lyman Benson 1945-10-22 11903 Los Angeles Claremont. 335 Comment
  RSA128053  Ambrosia psilostachya Peter H. Raven, Henry J. Thompson 1958-9-28 13730 Los Angeles Elysian Park. 198 Comment
  UCR110879  Ambrosia salsola A. C. Sanders, D. Malueg, K. D. Jones 1998-6-22 21991 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
  UCR123817  Ambrosia salsola Steven R. Hill, Kate Kramer 2001-4-22 33393 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
  JEPS57332  Amorpha californica var. californica L. R. Heckard 1968-5-11 1843 Los Angeles along Hwy 6 1.3 mi below Newhall junction (se of Newhall) 518 Comment
  RSA499948  Amsinckia intermedia Elmore 427 Los Angeles San Clemente Island Comment
  UC881374  Amsinckia intermedia Ira W. Clokey, B. Templeton Mar. 1929 4467 Los Angeles Mandeville Canyon; Santa Monica Mountains 200 Comment
  UCR229503  Amsinckia intermedia Dan S. Cooper 2011-2-13 211- 30 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR269885  Amsinckia intermedia Jeremiah George 2015-4-10 415- 09 Los Angeles Western Mojave Desert, Lancaster, southeast of intersection of West Ave. I and 30th St. West, north of Jackman St. 708 Comment
  RSA0079982  Amsinckia intermedia R. F. Thorne 1973-4-12 42958 Los Angeles San Clemente Island: Large canyon S of Mosquito Cove, N of Chenity. 335 Comment
  SEINET10455814  Amsinckia menziesii David B. Dunn 1948-3-20 Dunn 3782 Los Angeles Along roadside about 1 block W of Grand Ave on Cypress Ave, about 1 mi NE of Covine. Comment
  SD41399  Amsinckia spectabilis Edith A. Purer 1931-3-21 Los Angeles El Segundo Comment
  CAS-BOT-BC227702  Amsinckia tessellata Steven R. Hill; Kate Kramer 2001-4-22 33338 Los Angeles Antelope Valley, east of California Poppy Reserve, north and south sides of Avenue I (Lancaster Road), 1.5 miles west of Munz Ranch Road, 2.6 miles west of junction with 120th Street West, about 15 miles due northwest of Palmdale. North side of..., 804 Comment
  RSA0108838  Amsinckia tessellata R. G. Swinney 2010-5-21 12883 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
  RSA774262  Amsinckia tessellata R. G. Swinney 2009-5-5 10647 Los Angeles Carr Canyon, 0.6 mi. southeast of Mt. Emma Rd. crossing 963 Comment
  UC1084566  Amsinckia tessellata var. gloriosa Francia Chisaki, Peter M. Ray 1952-5-1 2247 Los Angeles 2 mi s Gorman (on US Hwy #99) Comment
  UCR209508  Anagallis arvensis R. G. Swinney 1969-4-26 367 Los Angeles San Gabriel Mtns., Glendora, 250 m SW of Harrow Canyon debris basin 381 Comment
  RSA250506  Andropogon glomeratus var. scabriglumis R. F. Thorne, J. Dourley 1967-10-10 37381 Los Angeles San Gabriel Mountains, Angeles National Forest: Yucca Flats Summer Housing Tract. 1250 Comment
  CAS-BOT-BC64020  Anisocoma acaulis Timothy S. Ross 1994-5-31 7970 Los Angeles Pacifico Mountain, ca 800 m WNW of the 7124-ft summit 2069 Comment
  POM307063  Anthemis cotula Henry J. Ramsey, Henry J. Ramsey 1937-8-19 1943 Los Angeles San Gabriel Wash. Comment
  UCR220228  Anthriscus caucalis R. G. Swinney 2009-4-7 10294 B Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills and S.G. Valley, Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  JEPS13620  Antirrhinum coulterianum Peter Kamb 1948-6-26 1123 Los Angeles near Sunland (Tujunga Wash); Tujunga Wash 350 Comment
  POM4236  Antirrhinum coulterianum E. L. Brown 1893-05 s.n. Los Angeles Los Angeles, Elysian Park Comment
  RSA739613  Antirrhinum coulterianum John Dittes 2006-6-4 1395 Los Angeles Western Transverse Range, Simi Hills, N of Santa Susana Road, 2.4 air miles NW of Chatsworth High School, 1.1 air miles W of Topanga Blvd, 0.7 air mile ENE of Santa Susana Pass. 404 Comment
  UC1584247  Antirrhinum coulterianum Tim Ross and Steve Boyd 1990-6-6 2822 Los Angeles Green Valley Pasture (in San Francisquito Canyon), Lake Hughes U.S.G.S. 7.5' Quad. (in San Francisquito Canyon) 926 Comment
  UCR277042  Antirrhinum kelloggii R. G. Swinney 2010-5-25 12926 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  CHSC22521  Antirrhinum multiflorum Robert A. Schlising 1971-5-19 2973 Los Angeles 1.3 miles NE of Jct Hwy 23 and Little Sycamore Canyon Road, along the latter. Comment
  POM354889  Antirrhinum nuttallianum var. nuttallianum R. S. Woglum 1930-4-8 s.n. Los Angeles Hills of South Glendora Comment
  UCR213298  Aphanisma blitoides A. C. Sanders 2010-5-7 38337 Los Angeles South Coast, Palos Verdes Peninsula, south of Palos Verdes Dr. South, Rancho Palos Verdes near Los Angeles city boundary 30 Comment
  RSA599702  Apiastrum angustifolium Steve Boyd, Lauren Raz, Timothy S. Ross 1997-4-1 9451 Los Angeles Liebre Mountains region: Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of Osito Flat, a distinctive, open grassy break in slope under the high tension power lines. 793 Comment
  UC1618096  Apiastrum angustifolium H. H. Tracy 1936-5-16 Los Angeles Claremont Comment
  UCR177733  Apocynum cannabinum LeRoy Gross, Naomi Fraga, B. Hogshead, Aydee Virgen 2003-6-19 1109 Los Angeles Transverse Ranges; Verdugo Mountains region, North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. Follow a ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge. Tributary is north of the 210 freeway. South of freeway tributary will drain into La Tuna Canyon. All survey was done north of the 210. 457 Comment
  RSA590665  Aquilegia formosa Tim S. Ross, S. D. Boyd 1990-5-29 2716 Los Angeles Big Rock Springs: immediate vicinity of Big Rock Creek where crossed by Big Pines Highway (Valyermo Rd.). 1183 Comment
  RSA760860  Aquilegia formosa R. G. Swinney 2008-8-13 9359 Los Angeles Icy Springs, tributary of Big Rock Creek. 1756 Comment
  UC136279  Aquilegia formosa C. F. B. 1903-8-2 3673 Los Angeles near Claremont; San Antonio Canyon Comment
Read comments
Jul 2 2008
  UCR192862  Aquilegia formosa R. G. Swinney 1998-7-14 6429 Los Angeles San Gabriel Mtns., Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine 2195 Comment
  UCR194308  Aquilegia formosa R. G. Swinney 1998-8-6 6676 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 Comment
  POM150410  Aquilegia formosa var. hypolasia C. F. Baker 1903-8-2 3673 Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  RSA0043292  Arabis maxima Lee Haines 1951-3-29 s.n. Los Angeles Cfhatsworth Hills. Comment
  RSA733664  Aralia californica R. G. Swinney 1998-7-24 6569 Los Angeles San Gabriel Mtns.: Upper Fish Fork of San Gabriel River. 1585 Comment
  CAS-BOT-BC482466  Arbutus menziesii R. G. Swinney 2010-8-16 13566 Los Angeles San Gabriel Mountains: 1.0 mi NW of Chantry Flats on N side of Winter Creek Trail 768 Comment
  RSA641310  Arctostaphylos gabrielensis Orlando Mistretta, Mark Elvin 1995-3-30 1584 Los Angeles San Gabriel Mountains: Mill Creek Summit; on summit just west of Angeles Forest Highway on Pacific Crest Trail. Comment
  RSA626712  Arctostaphylos glandulosa Jon E. Keeley 1982-7-29 7798 Los Angeles Study site off Angeles Crest Highway, above Switzers Campground. Comment
  RSA626766  Arctostaphylos glandulosa Allen Massihi, Jon E. Keeley 1992-7-9 16010 Los Angeles Whitaker Peak, west of the Templin Highway. 1250 Comment
  SFV6480  Arctostaphylos glandulosa T. Gordon, W. C. Willig, K. A. Wilson, D. R. Perry 1974-4-26 179 Los Angeles San Gabriel Mountains Lone Pine Canyon Road, 3 miles from Cajon Pass. Comment
  RSA626835  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Melanie Baer Keeley 1992-10-15 22124 Los Angeles Glendora Ridge Rd., 7 km southwest of Baldy Rd., San Gabriel Mtns. 1410 Comment
  RSA629074  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Allen Massihi 1992-8-20 20303 Los Angeles Road to Mt. Gleason, 3.7 km west of Mill Creek Summit, San Gabriel Mtns. 1665 Comment
  RSA629096  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Allen Massihi 1992-8-20 20256 Los Angeles Mill Creek Summit, Angeles Forest Hwy. San Gabriel Mtns. 1470 Comment
  UC879406  Arctostaphylos glandulosa subsp. glandulosa Ira W. Clokey, B. Templeton Apr. 1929 4452 Los Angeles Mandeville Canyon Santa Monica Mountains 425 Comment
  LA42385  Arctostaphylos glandulosa subsp. mollis W. O. Griesel; 1936-1-15 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA626687  Arctostaphylos glandulosa subsp. mollis Allen Massihi, Jon E. Keeley 1992-7-27 15730 Los Angeles Santa Clara Divide Road (3N17), 8-10 km off Sand Canyon Rd. San Gabriel Mtns. 1000 Comment
  CAS-BOT-BC39332  Arctostaphylos glauca Fordyce Grinnell 1903-12-22 37 Los Angeles Arroyo Seco Canyon, near Pasadena Comment
  RSA631432  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20491 Los Angeles Angeles Crest Highway (mid-elevation Arctostaphylos site), 12 km south of turnoff to Singing Pines Campground. 1545 Comment
  RSA631484  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15977 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA631554  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15852 Los Angeles San Gabriel Canyon, Highway 39, 15 km north of ORV area. 1300 Comment
  RSA631570  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15645 Los Angeles Angeles Forest Highway, 1.8 km south of Hidden Springs Cafe. 850 Comment
  RSA631634  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15835 Los Angeles San Gabriel Canyon, Highway 39, 11-12 km north of ORV area. 1100 Comment
  RSA631653  Arctostaphylos glauca Jon E. Keeley 1982-7-29 7797 Los Angeles Study site off Angeles Crest Highway, above Switzers Campground. Comment
  RSA631661  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20180 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  UC1871267  Arctostaphylos glauca T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3859 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon; Elevation 4390-5150 feet. T8N R17W SE 1/4 SW 1/4 sect 35; and T7N R17W NE 1/4 NW 1/4 sect 2. Comment
  RSA303597  Arctostaphylos glauca J. R. Shevock 1970-3-7 24 Los Angeles San Gabriel Mountains. 762 Comment
  RSA634351  Arctostaphylos parryana subsp. parryana Jon E. Keeley 1992-10-15 22079 Los Angeles Entrance to Crystal Lake Recreation Area, San Gabriel Mountains. 1720 Comment
  RSA634785  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20596 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.7 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1680 Comment
  RSA634814  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20228 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA634922  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20534 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA434335  Argemone corymbosa Edwin Kline 1924-5-25 s.n. Los Angeles Bouquet Canyon, Sierra Pelona Mts. Comment
  RSA434293  Argemone munita N. R. Zabriskie, John Arozena, Miriam Arozena 1971-4-26 408 Los Angeles Loomis Ranch west of Chilao, San Gabriel Mtns. 1296 Comment
  UC1040942  Argemone rotundata Gerald B. Ownbey and Findley Ownbey 1954-5-28 2118 Los Angeles 7.0 mi w of Ravenna (at junction of Highway with Agua Dulce Creek Road, Soledad Canyon); Soledad Canyon Comment
  SEINET10565519  Aristida Hermann E. Hasse Hasse s.n. Los Angeles Foothills. Comment
  CAS-BOT-BC84970  Artemisia californica Joseph Andorfer Ewan 1932-10-22 10806 Los Angeles Above Avalon, Santa Catalina Island. Comment
  RSA417239  Artemisia californica F. R. Fosberg 1931-1-7 7115 Los Angeles Mouth of little Santa Anita Canyon, Sierra Madre. 300 Comment
  RSA656676  Artemisia californica B. Brady 1980-6-1 20 Los Angeles Big Tujunga Canyon 457 Comment
  UCR189935  Artemisia californica T. B. Salvato, Sandra Murcia 2007-10-18 3090 Los Angeles Western Transverse Range; Santa Monica Mtns., near Stunt's Ranch, north of Cold Creek and east of Mulholland Hwy 335 Comment
  RSA0015847  Artemisia douglasiana LeRoy Gross, Evan Meyer, Bart O'Brien 2013-10-17 6201 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
  RSA295236  Artemisia douglasiana Shirley W. Campbell 1970-9-24 103 Los Angeles Lower Arroyo Seco, southeastern Pasadena Comment
  RSA5210  Artemisia douglasiana C. B. Wolf 1932-9-13 4065 Los Angeles Bryant Ranch, 350 ft s. of n. boundary in drainage ditch in s.e. 1/4 sect. 27. (460 ft e. and 350 ft s. of n.w. corner of s. 1/4 sect. 27 T4S R12W) 5 Comment
  RSA94404  Artemisia douglasiana F. W. Peirson 1918-9-15 246 Los Angeles lower part of trail up Lukens Peak 762 Comment
  UC205663  Artemisia ludoviciana subsp. albula I. M. Johnston 1917-8-22 1651 Los Angeles Pine Mt. Ridge, San Antonio Mountains Comment
  RSA774794  Artemisia tridentata R. G. Swinney 2009-7-29 11405 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  SEINET181919  Artemisia vulgaris Unknown 1929-6-1 Los Angeles Los Angeles County: Mandeville Canyon, Santa Monica Mountains. 200 Comment
  POM158309  Arthrocnemum subterminale M. B. Dunkle 1928-4-29 1897 Los Angeles Little Harbor. 5 Comment
  SBBG31450  Arthrocnemum subterminale R. F. Thorne 1966-4-4 Los Angeles behind Ballast Pt Comment
  UCR183932  Asclepias californica A. C. Sanders 2007-4-19 33412 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and southwest of the National Cement Plant 1085 Comment
  UCSB22084  Asclepias erosa Taylor, D. 1966-5-13 Los Angeles On Highwya 6, 6 miles from its junction with road to Mint Canyon campground 883 Comment
  UC535315  Aspidotis californica Ira W. Clokey, B. Templeton Apr. 1929 4435 Los Angeles Mandeville Canyon; Santa Monica Mts 300 Comment
  RSA85557  Aspidotis californica F. W. Peirson 1919-11-30 1525 Los Angeles South base of San Gabriel Mnts., Middle Eaton Canyon. 610 Comment
  CAS-BOT-BC68752  Asplenium vespertinum George L. Moxley 1920-11-28 871 Los Angeles San Gabriel Canyon Comment
  POM1851  Astragalus brauntonii Otis Hiatt 1916-6-3 s.n. Los Angeles Topanga Canyon. Santa Monica Mountains. Comment
  UCR11593  Astragalus didymocarpus O. H. Kappler 1946-4-13 1121 Los Angeles Mojave Desert, four miles south of Palmdale 915 Comment
  SEINET898804  Astragalus didymocarpus Lois E. James 1946-1 1747 Los Angeles Along the railroad tracks at Acton, Soledad Canyon. Comment
  SBBG68199  Astragalus douglasii E. Rockwell -Jun-1926 569 Los Angeles near Sandberg's, Route (US Hwy 99) 1066 Comment
  CLARK-A1528-4924  Astragalus douglasii var. douglasii John C. Roos 1937-5-31 2045 Los Angeles San Gabriel Mountains Comment
  RSA90233  Astragalus douglasii var. douglasii F. W. Peirson 1919-5-10 397 Los Angeles Arraster [Arrastre] Creek. 976 Comment
  RSA640280  Astragalus gambelianus R. F. Thorne 1971-5-18 41365 Los Angeles Santa Catalina Island: White's Landing. 31 Comment
  SBBG113059  Astragalus gambelianus S. A. Junak with M. L. Hoefs, K. Kirkland, J. Takara 1998-5-1 SCa 593 Los Angeles N of Airport Rd, ca. 0.15 mi from main rd, near abandoned rd to ridge with Whitley's Pk 426 Comment
  UCR205126  Astragalus gambelianus R. G. Swinney 2008-4-17 8688 Los Angeles San Gabriel Mtns., San Dimas, ridge between Sycamore and Shay canyons 497 Comment
  RSA612285  Astragalus gambelianus L. C. Wheeler 1934-5-14 2589 Los Angeles Mouth San Dimas Canyon, San Gabriel Mountains. 442 Comment
  CAS-BOT-BC186877  Astragalus hornii var. hornii A. D. E. Elmer 1902-6-1 3627 Los Angeles Lancaster Comment
  POM49667  Astragalus lentiginosus var. albifolius A. D. E. Elmer 1902-06 3627 Los Angeles Lancaster. Comment
  CAS-BOT-BC187083  Astragalus lentiginosus var. antonius John Thomas Howell 1947-7-18 23406 Los Angeles Blue Ridge, San Gabriel Mts. 2590 Comment
  UCR189402  Astragalus leucolobus R. G. Swinney 1998-7-2 6194 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UC83889  Astragalus purshii var. tinctus Samuel B. Parish June 1887 1890 Los Angeles Gormans Station , Gormans Station (Tejon Mts.) Comment
  NY345445  Astragalus pycnostachyus var. lanosissimus H. E. Hasse 1888-8-24 Los Angeles Near Palms Comment
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Mar 12 2011
  SD234387  Astragalus trichopodus A. C. Sanders 2003-6-20 27000 Los Angeles Western Transverse Range / Santa Clara River Watershed: Off-haul Canyon between San Martinez Grand Canyon and Ventura Co. line, north of Hwy 126 and ca. 1 km NNW of Mayo Spur. 305 Comment
  OBI69353  Astragalus trichopodus var. lonchus John Knapp, Denise Knapp 2002-11-27 14 Los Angeles Santa Catalina Island. N3695473.91 E370136.75 366 Comment
  SBBG13726  Astragalus trichopodus var. lonchus P. H. Raven 1962-5-20 17794 Los Angeles Middle Cyn 2.9 mi above the Ranch 243 Comment
  POM1846  Astragalus trichopodus var. phoxus H. M. Hall 1902-5-3 3096 Los Angeles San Francisquito Pass 609 Comment
  RSA656074  Astragalus trichopodus var. phoxus James Henrickson 1985-3-30 19794 Los Angeles Ca. 2 miles N of Newhall in riverbed and margins of South Fork of the Santa Clara River near crossing of Saugus Road. 306 Comment
  LA212420  Astragalus trichopodus var. phoxus J. Newton; 1950-3-28 s.n. Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon 274 Comment
  RSA452708  Atriplex californica F. R. Fosberg 1931-4-29 S- 4727 Los Angeles Santa Catalina Island. Between Cottonwood and Middle Ranch Canyon Comment
  OBI71247  Atriplex canescens David J. Keil 1986-9-27 19742 -2 Los Angeles NW L.A. county. Along I-5 just S of Hungry Valley rd exit. 914 Comment
  CAS-BOT-BC168273  Atriplex canescens var. canescens Ernest C. Twisselmann 1961-10-31 6684 Los Angeles Leona Valley, Liebre Mountains 853 Comment
  CAS-BOT-BC168278  Atriplex canescens var. canescens Roxana S. Ferris 1918-6-12 932 Los Angeles In vacant lot, Lancaster Comment
  CAS-BOT-BC168281  Atriplex canescens var. canescens Ernest Braunton 1903-9-1 906 Los Angeles Glendale to Burbank Comment
  RSA0013411  Atriplex coulteri Jeremiah George, Audrey George 2012-6-1 s.n. Los Angeles Palos Verdes Estates, Malaga Cove immediately SW of the Palos Verdes Beach and Athletic Club 5 Comment
  SD60407  Atriplex coulteri Peter H. Raven 1962-5-21 17799 Los Angeles Santa Catalina Island; road from Middle Ranch to Bullrush Canyon. 245 Comment
  UC205061  Atriplex coulteri Katharine Brandegee Los Angeles Santa Catalina Island Comment
  CDA6214  Atriplex halimus R. E. Riefner Jr. 2007-9-23 07 -405 Los Angeles Palos Verdes Peninsula, Palos Verdes Drive West, vicinity of Bluff Cove to Malaga Cove. Comment
  UC217446  Atriplex nummularia S. B. Parish 1918-6-5 11871 Los Angeles Seacoast bluffs Playa del Rey (Southern California) Comment
  CATA1693  Atriplex prostrata Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-10-22 2997 Los Angeles Santa Catalina Island: Cherry Valley, above beach 6 Comment
  UCR65238  Atriplex semibaccata F. R. Fosberg 1931-3-26 S- 04396 Los Angeles Santa Catalina Island, Hillside above St. Catherine Hotel. 10 Comment
  SEINET11940379  Atriplex semibaccata J. F. Bright, Wyman, C. 1931-1 5736 Los Angeles Hollywood Comment
  CAS-BOT-BC176741  Atriplex serenana var. serenana Alice Eastwood 1917-7-20 6529 Los Angeles Santa Catalina Island Comment
  CATA1745  Atriplex suberecta Mark L. Hoefs, Steven A. Junak, Ralph Philbrick 2001-5-18 3173 Los Angeles Santa Catalina Island: Near road between Cottonwood Canyon and Black Jack Campground 225 Comment
  UCR51523  Avena barbata A. C. Sanders 1987-12-4 7575 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr. 31 Comment
  IRVC26424  Avena barbata A. C. Sanders, Mark Elvin 2003-3-5 25733 Los Angeles Newhall Ranch, "Exon Mesa," due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River NE end of Santa Susana Mtns. 335 Comment
  RSA250659  Avena fatua R. F. Thorne 1971-4-2 41421 Los Angeles Johnson's Pasture's, N. of Mountain Avenue, Claremont 549 Comment
  LA210511  Baccharis glutinosa J. Ewan; 1930-10-22 3439 Los Angeles Bouquet Canyon, 5 mi above mouth 731 Comment
  SD31169  Baccharis glutinosa Edith A. Purer 1931-2-21 Los Angeles Palos Verdes Comment
  UC1595287  Baccharis pilularis Tim Ross 1991-3-10 4221 Los Angeles e side of, (Bernard Field Stn, near Phake Lake, marked as Pit on topo map) RSA; Claremont, Phake Lake 391 Comment
  CAS-BOT-BC98172  Baccharis salicifolia Geo. B. Grant 1901-3-1 3493 Los Angeles Los Angeles Comment
  LA94394  Baccharis salicifolia Harlan Lewis; 1940-2-24 1087 Los Angeles Santa Monica Mountains, Saddle Peak 609 Comment
  UCR210443  Baccharis salicifolia R. G. Swinney 2008-11-30 9883 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  UC1587681  Baccharis salicifolia subsp. salicifolia Tim Ross 1991-3-9 4161 Los Angeles 300 ft sw of Colima Rd X Camino del Sur Whittier Hills (Whittier Hills (Puente Hills, pro parte)) 213 Comment
  UCR162367  Baccharis sarothroides Anuja Parikh, Nathan Gale 2004-5-13 2008 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch (study area 46), near Magic Mountain Theme Park 396 Comment
  SEINET10482044  Barbarea vulgaris Lenington 1927-1-1 LENINGTON s.n. Los Angeles Pomona. A common weed. Comment
  UCR205971  Bassia hyssopifolia Julie A. Greene 1997-9-12 s.n. Los Angeles South Coast, Long Beach area, intersection of Pacific Coast Hwy (Calif. Hwy 1) and Studebaker Road, near Long Beach Marina 5 Comment
  UC472306  Berberis nevinii J. Grinnell 1903-10-31 Los Angeles wash near <Garnsey>; San Fernando Valley Comment
  UC854628  Berberis nevinii C. Darland 1932-5-12 Los Angeles San Fernando Comment
  CAS-BOT-BC75816  Berberis pinnata Fordyce Grinnell 1916-3-18 s.n. Los Angeles Switzers Camp. San Gabriel Mountains. Comment
  UC30587  Blennosperma nanum var. nanum J. H. Barber 1897-2-3 294 Los Angeles near Wilmington Comment
  RSA0128770  Boechera californica R. F. Thorne, C. W. Tilforth 1971-6-30 40808 Los Angeles Angeles National Forest: S fork of Little Rock Creek, 1.8 miles below Alder Saddle in Pinyon Flats area 1555 Comment
  RSA226180  Boechera californica Gary D. Cromwell, David W. Wheat 1971-5-8 638 Los Angeles Mystic Canyon, 2 mi. NE of Glendora. 457 Comment
  UCSB2228  Boechera pulchra Constance, Lincoln 1941-4-10 Los Angeles Antelope Valley; near Neenach; 13.5 miles west of Lancaster 914 Comment
  UCSB27912  Boechera pulchra Kunze, G. 1971-4-17 Los Angeles 245th Street; 4.6 miles south of Avenue D; Antelope Valley 914 Comment
  RSA6056  Bothriochloa barbinodis C. B. Wolf 1932-10-3 4206 Los Angeles Santa Catalina Island: road to Renton Mine about 1 mile from junction with Wirgley Drive. 305 Comment
  RSA657927  Bougainvillea spectabilis S. Campbell 1980-6-2 29 Los Angeles Verdugo Mountains; Approx. 400 feet west of Sierra Place on south-eastern slope of Verdugo Mountains. 244 Comment
  UCR150661  Bowlesia incana James Henrickson 1985-3-30 19756 Los Angeles Western Transverse Range, c. 3 air miles NNW of Newhall in proposed North Hills development just north of Santa Clara River and just east of San Francisquito Creek 381 Comment
  SEINET10627065  Brassica juncea Heidi H. Schmidt 1999-10-14 Schmidt 3816 Los Angeles City of San Gabriel. Hawaii Supermarket: 120 East Valley Boulevard: San Gabriel, CA: 91776: (626) 307-0062 - phone. 110 Comment
  UCR256844  Brassica nigra R. G. Swinney 2010-6-8 13201 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
  RSA0084245  Brassica nigra E. S. Spalding 1923-6-25 s.n. Los Angeles Eagle Rock. Comment
  SBBG98460  Brassica nigra T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5307 Los Angeles ridge between two forks of Near-Death Cyn (draining to Mosquito Cove), ca. 1000 ft NNE of Rest (1336') marker 396 Comment
  CAS-BOT-BC100426  Brickellia californica Timothy S. Ross; Steve Boyd 1994-9-20 8262 Los Angeles Lower Spunky Canyon: this stretch draining SSE, exiting into Bouquet Reservoir. Green Valley 7.5' USGS Quadrangle 934 Comment
  LA209798  Brickellia californica Jonathan Sauer; Frank Almeda 1975-9-18 5743 Los Angeles SANTA MONICA MOUNTAINS, Sequit Basin Comment
  POM351120  Brickellia californica T. S. Clare 1930-10-19 s.n. Los Angeles Big Santa Anita Canyon Comment
  RSA639883  Brickellia microphylla L. C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: Big Rock Creek, branch at Angeles Crest Highway. 2072 Comment
  LA31690  Brickellia nevinii Peter H. Raven; 1959-10-25 14703 Los Angeles Santa Monica Mountains, Encinal Canyon, Mulholland Hwy, 4.4 mi NE of Pacific Coast Hwy 243 Comment
  RSA609525  Brickellia nevinii L. C. Wheeler 1952-10-11 6372 Los Angeles San Rafael Hills: Chevy Chase Drive. Comment
  SBBG119324  Brickellia nevinii S. D. White 2000-10-22 8138 Los Angeles San Antonio Cyn, N of Shinn Rd (Mountain Ave) crossing; T1N R8W S12 793 Comment
  UCR108331  Brickellia nevinii L. C. Wheeler 1952-10-11 6372 Los Angeles San Rafael Hills, Chevy Chase Drive Comment
  CATA1758  Briza minor Mark L. Hoefs, Steven A. Junak 2003-5-5 3212 Los Angeles Santa Catalina Island: Near road between Cherry Valley and Howlands Landing 30 Comment
  UCR211811  Brodiaea filifolia Valerie Soza, LeRoy Gross 2001-5-22 1242 Los Angeles Transverse Ranges; San Gabriel Mountains, Morgan Fire 2000 area, between Morgan and Wildwood Canyons, just (<100 ft.) below Ferguson Motorway 473 Comment
  CAS-BOT-BC149413  Bromus berteroanus Le Roy Abrams 1903-3-14 3132 Los Angeles San Pedro Hills. Comment
  RSA385303  Bromus carinatus Edwin Kline 1924-4-19 s.n. Los Angeles Near Brookside Park, Pasadena Comment
  RSA621261  Bromus carinatus var. carinatus L. C. Wheeler 1968-4-26 s.n. Los Angeles San Gabriel Mountains: Head of Mattox Canyon at Santa Clara Divide Road. 1250 Comment
  RSA591596  Bromus diandrus C. Epling, L. Ellison 1929-4-27 s.n. Los Angeles Santa Monica Mountains. Topango [Topanga] Canyon. Comment
  SBBG125451  Bromus grandis A. Parikh, N. Gale 2010-6-17 3319 Los Angeles upper Big Tujunga Cyn, 0.2 km N of St Hwy 2, 0.4 km NE of intersection of St Hwy 2 and upper Big Tujunga Cyn Rd, San Gabriel Mtns 1360 Comment
  CATA1483  Bromus hordeaceus Mark L. Hoefs, Steven A. Junak 1996-4-30 2685 Los Angeles Santa Catalina Island: By road past Parson's Junction, toward west end, just before Starlight Beach 152 Comment
  CAS-BOT-BC162340  Bromus madritensis Javier Penalosa 1961-5-21 1526 Los Angeles San Gabriel Mountains. Comment
  CATA1124  Bromus madritensis subsp. rubens Mark L. Hoefs 1995-5-23 2091 Los Angeles Santa Catalina Island: Middle Canyon, near Eagles Nest Lodge 124 Comment
  SEINET7047900  Bromus madritensis subsp. rubens Steven R. Hill, Kate Kramer 2001-4-22 33348 Los Angeles Antelope Valley, east of California Poppy Reserve, north and south sides of Avenue I (Lancaster Road), 1.5 miles west of Munz Ranch Road, 2.6 miles west of junction with 120th Street West, about 15 miles due northwest of Palmdale. Elevation about 2640 feet. Comment
  UC121250  Bromus pseudolaevipes T. S. Brandegee 1890-5-16 62 Los Angeles Santa Catalina Island Comment
  LA13824  Bromus rubens Carl Epling; May 1925 sn Los Angeles Arroyo Seco Comment
  RSA640383  Bromus rubens L. C. Wheeler 1967-5-23 9700 Los Angeles Near mouth of Bear Canyon, off Soledad Canyon. 579 Comment
  RSA654640  Bromus rubens Fred Brooks, P. Sobkowiak 1988-4-23 7 Los Angeles San Antonio Canyon, [San Gabriel Mountains] below the first tunnel 915 Comment
  RSA659835  Bromus rubens Orlando Mistretta 1992-4-5 193 Los Angeles Guds, San Clemente Island. Comment
  UCR259568  Bromus rubens R. G. Swinney 2010-4-15 12229 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  SFV20832  Bromus tectorum L. Gross 2005-4-28 2162 Los Angeles San Gabriel Mountains Ridgeline to Mount Emma and canyon south of this ridge. West from Mount Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest). East of Mount Emma Road near above coordinates then dropped off ridge into canyon bottom back to origin. From a slight decline bench south of the ridgeline. 1235 Comment
  LA33358  Bromus tectorum Peter H. Raven; Henry J. Thompson 1959-5-5 14109 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 274 Comment
  CAS-BOT-BC438412  Calandrinia ciliata John I. Carlson 1918-4-26 s.n. Los Angeles Country adjacent to Los Angeles. Griffith Park Comment
  RSA535280  Calandrinia ciliata Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5319 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons. 485 Comment
  RSA609283  Calandrinia ciliata L. C. Wheeler 1974-3-28 s.n. Los Angeles San Gabriel Mountains: Wildwood Ranch, east of Glendora. Comment
  RSA251533  Callitriche marginata R. F. Thorne 1973-4-11 42802 Los Angeles San Clemente Island; small pools in gully at head of Middle Ranch Canyon in grassy plateau. 427 Comment
  RSA0116120  Calocedrus decurrens R. G. Swinney 2011-10-13 15781 Los Angeles San Gabriel Mountains; Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek. 1573 Comment
  RSA377236  Calochortus albus H. Twining 1890-04 s.n. Los Angeles Colton, dry river bed Comment
  RSA785914  Calochortus albus K. Dobry 1992-4-9 327 Los Angeles West Santa Monica Mts. along E Arroyo Sequit 5 mi No. of Pacific Coast Hwy. At camp Shalom Comment
  UC3361  Calochortus albus Harley P. Chandler 1897-5-24 Los Angeles Fulkerson's Ranch Claremont Comment
  CAS-BOT-BC132282  Calochortus catalinae Marcus E. Jones 1882-5-1 3212 Los Angeles Los Angeles Comment
  LA29032  Calochortus catalinae Mary V. Hood; 1944-5-7 47 32 k Los Angeles Santa Monica Mountains, Top of grade above Monte Nido 304 Comment
  RSA590413  Calochortus catalinae Timothy S. Ross 1993-4-21 6865 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); saddle on E side of peak. 448 Comment
  UC1293676  Calochortus catalinae P. C. Everett and E. K. Balls 1959-6-2 23828 Los Angeles 1 mi ne Stokes Canyon entrance; Santa Monica Mts. 228 Comment
  UC1537206  Calochortus clavatus Gordon H. True Jr. 1935-5-16 291 Los Angeles Bouquet Canyon Comment
  UCR155387  Calochortus clavatus A. C. Sanders, T. B. Salvato 2005-5-24 30276 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, c. 0.5 mi. NW of community of Mint Canyon 610 Comment
  SBBG122108  Calochortus clavatus var. gracilis A. Parikh, N. Gale 2003-5-24 734 Los Angeles Plum Cyn, 1 km S of Cruzan Mesa, 1.2 km W of Sierra Hwy, 2 km W of Sierra Hwy 665 Comment
  RSA618699  Calochortus invenustus Scott D. White 1998-5-19 6515 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, between 1-5 Freeway/ Old Ridge Route and the lake. Proposed North Lake Planned Community 427 Comment
  UC3398  Calochortus invenustus J. H. Barber 1897-7-11 253 Los Angeles Summit Mt. San Gabriel Range Comment
  UCSB42663  Calochortus kennedyi Rajala, Mary Ann 1980-5-25 Los Angeles Hungry Valley Road, 3.3 mi west of Hwy 5 981 Comment
  RSA377423  Calochortus plummerae John P. Hill 1932-6-18 s.n. Los Angeles Verdugo Woodlands. Comment
  RSA482498  Calochortus splendens Richard Noyes, L. Arnseth 1988-4-30 533 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Burbank Canyon, northwest of Thompson Creek Dam. 525 Comment
  UCR168286  Calochortus splendens F. R. Fosberg 1931-5-14 S- 4865 Los Angeles Channel Islands: Santa Catalina Island, Middle Ranch Canyon, above ranch Comment
  RSA377441  Calochortus splendens Anstruther Davidson 1890-5-17 s.n. Los Angeles Glendale. Comment
  CAS-BOT-BC132519  Calochortus striatus James L. Reveal 1988-5-17 6796 Los Angeles Antelope Valley, along G Street 0.2 mile east of G Street on the south side of the highway and General W.J. Fox Airport, about 5.5 air miles west-northwest of Lancaster 731 Comment
  RSA377478  Calochortus venustus Robert Gustafson 1978-6-1 971 Los Angeles Near the entrance of Hungry Valley off dirt road leading into the valley, 0.1 west of the paved 2-lane Peace Valley Rd., about 1/4 miles west of Gorman. 1220 Comment
  SD41992  Calochortus venustus Darley F. Howe 1947-5-3 Los Angeles Slope just west of Mint Canyon. Comment
  UC63095  Calycoseris parryi W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Los Angeles Palomar 1524 Comment
  RSA0037065  Calystegia macrostegia Regina Allen 1983-5-24 s.n. Los Angeles Evey Canyon in San Gabriel Mts. 1 mi. north of San Antonio Dam off Mt. Baldy Rd. [County incorrectly listed as San Bernardino] Comment
  CAS-BOT-BC224314  Calystegia macrostegia subsp. amplissima J. H. Thomas 1949-2-22 4 Los Angeles Wilson's [Wilson] Cove, San Clemente Island Comment
  LA50076  Calystegia macrostegia subsp. cyclostegia Elizabeth Levine; sn Los Angeles Santa Monica Mountains, Point Dume Comment
  RSA394903  Calystegia macrostegia subsp. intermedia H. L. Bauer 1932-03 15379 Los Angeles Mouth of Topango [Topanga] Canyon. Comment
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May 29 2014
  SFV21427  Calystegia macrostegia subsp. intermedia L. Gross, N. Fraga, B. Hogshead, A. Virgen 2003-6-19 1094 Los Angeles Verdugo Mountains Low foothills north of the 210 Freeway. Followed the firebreak southwest. 598 Comment
  CATA490  Calystegia macrostegia subsp. macrostegia Sara L. Crockett 1997-4-1 632 Los Angeles Santa Catalina Island: 0.3 mile WNW on Two Harbors Road from jct. with upper road leading into Little Harbor CG; old road leading to power poles on N side of road 45 Comment
  RSA642420  Calystegia occidentalis subsp. fulcrata Orlando Mistretta 1995-6-23 1841 Los Angeles San Gabriel Mountains: Lookout Mountain trail. 1814 Comment
  UC1178601  Calystegia occidentalis subsp. fulcrata Peter Kamb 1947-6-1 556 Los Angeles Angeles Crest Highwy 1 mi below Red Box Gap (San Gabriel Mountains); , below Red Box Gap 1341 Comment
  RSA0011530  Calystegia occidentalis subsp. fulcrata Orlando Mistretta, Christine Mistretta 2011-6-23 5730 Los Angeles San Gabriel Mountains: Aliso Cyn drainage. Near head of Gleason cyn, W of jct. of Forest Rd. 4N24 and Pacific Crest Trail. 1679 Comment
  UCR99494  Calystegia peirsonii Steve Boyd, Lauren Raz 1997-5-28 9855 Los Angeles Liebre Mtns, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Cyn, south of Liebre Mtn. 939 Comment
  RSA762263  Calystegia peirsonii Orlando Mistretta, Christine Mistretta 2008-5-1 2594 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 44 per TRTP survey, 2008), in the vicinity of Ritter Ridge. 1047 Comment
  RSA764516  Calystegia peirsonii Orlando Mistretta, Christine Mistretta 2008-5-3 2625 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
  RSA0081307  Camissonia bistorta R. G. Swinney 2010-3-24 12071 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  UCR49747  Camissonia bistorta R. Mattoni 1986-1 s.n. Los Angeles South Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 Comment
  UCR190736  Camissonia boothii R. G. Swinney 2001-5-17 7949 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, south end of Bobs Gap, west-facing slope at junction of Panorama and Bobs Gap roads 1244 Comment
  IRVC26256  Camissonia boothii subsp. decorticans Mark A. Elvin 2003-4-9 2471 Los Angeles Newhall Ranch Commerce Center, canyon N of SR 126 from 'Grapevine Mesa' Santa Clarita Valley 335 Comment
  SEINET7072900  Camissonia campestris A. G. Vestal 1963-5-22 s.n. Los Angeles San Gabriel Range Mountains southeast of Bobs Gap on Big Pines Road. Coordinate datum: WGS84/NAD83. (34? deg. 24' 59" North Latitude, -117? deg. 68' 56" West Longitude; UTM Zone 11, 428121mE, 3808400mN, Coordinate datum: NAD27.). Comment
  UCR102527  Camissonia campestris George K. Helmkamp 1997-3-6 1341 Los Angeles Western Mojave Desert, west of Lancaster at 125th St. & Calif. Hwy 138 762 Comment
  RSA679953  Camissonia campestris subsp. campestris LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 879 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway. 1143 Comment
  RSA729730  Camissonia campestris subsp. campestris R. G. Swinney 1999-5-22 7209 Los Angeles San Gabriel Mtns./Mojave Desert: Le Montaine Canyon, c. 0.5 mi. south of Camp Jubilee Rd. 1701 Comment
  SBBG33330  Camissonia campestris subsp. campestris A. D. E. Elmer -Jun-1902 3715 Los Angeles Acton Comment
  RSA448981  Camissonia hirtella Anstruther Davidson 1915-8-1 3083 Los Angeles Camp Baldy. Comment
  RSA75437  Camissonia hirtella F. W. Peirson 1918-5-4 2309 Los Angeles Summit of Santa Monica Range, above Brents on the Malibu Comment
  SD82804  Camissoniopsis bistorta R. S. Woglum 1930-5-17 Los Angeles Pasadena Comment
  UCSB4526  Camissoniopsis bistorta Ellis, Richard 1960-4-11 Los Angeles Malibu Canyon Road, 1.5 miles north of highway 101 Comment
  UCSB33972  Camissoniopsis bistorta Swanson, D. 1978-4-30 Los Angeles Shields Canyon 7 mi. north of Glendale in San Gabriel Mtns 609 Comment
  CAS-BOT-BC160433  Camissoniopsis cheiranthifolia subsp. suffruticosa Le Roy Abrams 1899-2-1 296 Los Angeles Ballona Harbor Comment
  CAS-BOT-BC160438  Camissoniopsis cheiranthifolia subsp. suffruticosa Alice Eastwood 1906-5-27 76 Los Angeles Ocean Park Comment
  RSA0113488  Camissoniopsis confusa Lyman Benson 1945-6-5 11769 Los Angeles Cold Spring, 2-1/2 miles southwest of Camp Baldy on the Glendora Road. Mt. Range: San Gabriel. 1371 Comment
  RSA0113487  Camissoniopsis micrantha Lyman Benson 1945-5-11 11691 Los Angeles Canyon below Johnson's Pasture, Claremont. Mt. Range: San Gabriel. 548 Comment
  SFV2504  Camissoniopsis pallida P. G. Kilburn 1958-4-12 724 Los Angeles Mojave Desert Palmdale, N and 30th Street, 5 miles NW of downtown. 3 miles west of US #6 on north side of road. In sandy soil. 790 Comment
  RSA595514  Capsella bursa-pastoris L. C. Wheeler 1969-4-19 s.n. Los Angeles Blum Ranch, Aliso Canyon 883 Comment
  RSA650986  Capsella bursa-pastoris Jim Kishi 1948-2-23 s.n. Los Angeles Location: 1272 Glendora Ave., W. Covina. Comment
  UC1042385  Carduus nutans Geo. W. Garrettson 1954-6-24 Los Angeles San Vincente Ranch Walnut Comment
  SEINET4044454 Image available Carduus pycnocephalus D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 213 Comment
  RSA639180  Carex alma L. C. Wheeler 1966-10-1 8933 Los Angeles San Gabriel Mountains: Millie's Orchard, lower Colby Ranch, Coldwater Canyon 1006 Comment
  UCR273157  Carex alma R. G. Swinney 2011-6-22 15275 Los Angeles San Gabriel Mountains, Charlton Flat Picnic Area, along East Fork Alder Creek, 0.2 miles west of Angeles Crest Hwy 1598 Comment
  RSA641643  Carex athrostachya L. C. Wheeler 1967-9-3 10622 Los Angeles San Gabriel Mountains: 0.2 mile northeast Twin B.M. summit Mount Waterman 2362 Comment
  SEINET7552636 Image available Carex bolanderi Orlando Mistretta, Steve Boyd 1994-6-21 1388 Los Angeles San Gabriel Mountains; Santiago Canyon; Drainage northwest of Pacifico Mountains; 7.5' USGS topographic quadrangle 1585 Comment
  RSA787534  Carex heteroneura Jane Tirrell 2012-5-21 LS 0055 Los Angeles Approximately 200 ft below (north) the junction of the Pacific Crest Trail with the South Mt Hawkins trail, 0.5 miles west of Mt Hawkins 2594 Comment
  RSA609252  Carex multicaulis L. C. Wheeler 1968-5-24 s.n. Los Angeles San Gabriel Mountains: Northwest slope Smith Mt., along Bear Creek Trail. 1249 Comment
  CAS-BOT-BC117968  Carex rossii John Thomas Howell 1947-7-18 23393 Los Angeles Blue Ridge, San Gabriel Mts. 2590 Comment
  CAS-BOT-BC117935  Carex schottii R. F. Thorne; M. Z. Thorne 1969-7-9 38560 Los Angeles San Gabriel Mts. Angeles National Forest. 2087 Comment
  CAS-BOT-BC117937  Carex schottii Ernest Braunton 1903-1-20 798 Los Angeles Oak Knoll Comment
  SEINET7577173 Image available Carex subfusca R. F. Thorne, M. Z. Thorne 1969-7-9 38576 Los Angeles San Gabriel Mts., Angeles National Forest: Big, wet, sloping meadow at Big Pines. 2073 Comment
  RSA152000  Carex texensis Chas. H. Quibell 1956-06 525 Los Angeles At 134 S Encinitas Ave, Monrovia, Calif. Comment
  UCR156107  Carthamus baeticus A. C. Sanders 2005-5-5 29884 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool 655 Comment
  RSA425856  Castilleja affinis Reid V. Moran 1941-2-25 609 Los Angeles At Wilson's Harbor [Emerald Bay?], north side of Catalina Island Comment
  LA82061  Castilleja affinis O. H. Kappler; 1941-5-8 250 Los Angeles SANTA MONICA MOUNTAINS, upper Zuma Canyon, near summit, Mulholland Hwy. 548 Comment
  UC440397  Castilleja affinis subsp. affinis Carl Epling and Lincoln Ellison 1930-3-28 Los Angeles Las Flores Canyon; Santa Monica Mountains Comment
  SD69614  Castilleja exserta subsp. exserta Robert F. Thorne, P. Everett 1965-5-12 34610 Los Angeles Bulrush Canyon, Santa Catalina Island 244 Comment
  RSA670420  Castilleja foliolosa Bonnie C. Templeton 1929-05 4470 Los Angeles Mandeville Canyon, Santa Monica Mountains. 300 Comment
  UCR113675  Castilleja foliolosa L. C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mtns., Mill Canyon off Soledad Canyon 732 Comment
  RSA523863  Castilleja gleasoni L. R. Heckard 1971-5-25 2583 Los Angeles Near Horse Flat campground, northwest of Chilao Flats, San Gabriel Mts. 1707 Comment
  UCR38796  Castilleja gleasoni T. P. Krantz 1980-7-15 s.n. Los Angeles San Gabriel Mtns., Lower Chilao Flats Comment
  SEINET3079363 Image available Castilleja jepsonii Norman C. Cooper 1948-4-21 2716 Los Angeles Saugus. 762 Comment
  RSA5487  Castilleja linariifolia Carl B. Wolf 1932-8-11 4013 Los Angeles Big Rock Creek, 1 1/4 mi. below Big Rock Ranger Station 915 Comment
  CSUSB909  Castilleja miniata R. D. Keys 1973-5-6 Los Angeles Angeles National Forest 1/4 mile below Falling Springs Resort, San Gabriel Canyon Road, Angeles National Forest; on rock face 10 feet above road. 1219 Comment
  POM175354  Castilleja minor subsp. spiralis E. Crow 1930-6-29 s.n. Los Angeles San Gabriel Mtns., trail above Camp Coldbrook Comment
  RSA776561  Castilleja minor subsp. spiralis Orlando Mistretta, Christine Mistretta 2010-6-15 5307 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
  UC885437  Castilleja minor subsp. spiralis Louis C. Wheeler 1932-7-2 892 Los Angeles San Dimas Canyon; San Gabriel Mts. 457 Comment
  UCR259148  Castilleja minor subsp. spiralis R. G. Swinney 2010-6-23 13362 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
  RSA0126994  Castilleja minor subsp. spiralis Louis C. Wheeler 1967-7-15 10021 Los Angeles Angeles National Forest. Mt. Waterman. Comment
  UCSC001472  Catalpa bignonioides Peter Kamb 1947-5-25 542 Los Angeles Altadena 396 Comment
  SBBG125209  Caulanthus amplexicaulis A. Parikh, N. Gale 2010-6-19 3353 Los Angeles Upper Big Tujunga Cyn, 0.8 km W of Shortcut Station, 0.6 km N of St Hwy 2, San Gabriel Mtns 1255 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
  RSA165718  Caulanthus amplexicaulis var. amplexicaulis Brian C. Miller, W. Griesel 1963-7-2 s.n. Los Angeles Road between Liebre and Sawmill Mts. 1463 Comment
  UCR209214  Caulanthus cooperi R. G. Swinney 1998-4-14 6001 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
  HSC6669  Caulanthus inflatus C. S. Apperson 1966-5-24 Los Angeles 4 mi. N of Hi Vista on 200th St., Pearblossom area Comment
  CAS-BOT-BC40219  Caulanthus lasiophyllus Robert F. Thorne; Arthur Charles Gibson 1971-5-22 39752 Los Angeles San Gabriel Mountains. Angeles National Forest. Fish Canyon. 396 Comment
  CAS-BOT-BC39564  Caulanthus major Joseph Ewan; Nesta Ewan 1936-8-2 9897 Los Angeles San Gabriel Mountains. 1.5 mile below head of Cedar Canyon off Mescal Canyon. Comment
  CAS-BOT-BC47904  Ceanothus arboreus Brandegee 1889-5-1 14 Los Angeles Santa Catalina Island Comment
  UC1234759  Ceanothus arboreus Peter H. Raven 1962-5-20 17781 Los Angeles Farnsworth Loop on summit road Santa Catalina Island 243 Comment
  UCR17928  Ceanothus arboreus G. R. Johnstone, Freda Detmers 1934-5-20 s.n. Los Angeles Channel Islands, Santa Catalina Island, Descanso Canyon, near Avalon above Descanso Bay 91 Comment
  PASA1639  Ceanothus crassifolius A. Carter 1929-1-1 Los Angeles Mouth of Big Santa Anita Canyon Comment
  RSA202464  Ceanothus crassifolius R. L. Armacost 1963-5-7 1635 Los Angeles Mulholland. 2 mi E of Tapia. Santa Monica. Comment
  UC870606  Ceanothus cuneatus var. cuneatus I. W. Clokey and B. C. Templeton 1930-4-8 4698 Los Angeles San Francisquito Canyon 800 Comment
  UC1070658  Ceanothus greggii var. vestitus A. Lewis May 1933 206 Los Angeles Bear Canyon 1341 Comment
  POM293343  Ceanothus integerrimus Lyman Benson 1945-6-5 11760 Los Angeles Cold Spring, 2.5 miles southwest of Camp Baldy on the Glendora Road. San Gabriel Mountains. Pacific Slope Drainage 1372 Comment
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Apr 7 2014
  RSA588643  Ceanothus integerrimus Orlando Mistretta 1994-5-31 1273 Los Angeles Santiago canyon. slope of Pacifico Mountain. 2043 Comment
  RSA747168  Ceanothus integerrimus Orlando Mistretta 1992-6-23 603 Los Angeles Mt. Gleason. Comment
  RSA771572  Ceanothus integerrimus R. G. Swinney 2009-6-2 11008 Los Angeles East slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  POM250329  Ceanothus leucodermis I. W. Clokey, E. G. Anderson 1931-3-11 5340 Los Angeles San Gabriel Mountains, San Gabriel Canyon 900 Comment
  RSA651857  Ceanothus leucodermis Dolores Perez 1981-5-3 35 Los Angeles Calif. Hwy 39, Crystal Lake Recreation Area. Roadside of lake bank. Comment
  RSA783289  Ceanothus megacarpus J. D. Olmsted 1959-3-23 303 Los Angeles Foot of San Gabriel Mts: San Antonio wash. Blanchard park on Pomona College campus by corner of Mills and 1st St. 366 Comment
  UCD112276  Ceanothus megacarpus James Dilley 1997-1-17 s.n. Los Angeles Studio City, in the Santa Monica Mts. 1/2 mile down Betty Dearing trail, on Mulhollant Dr. west of Laurel Cyn Dr. 609 Comment
  LA44914  Ceanothus megacarpus var. megacarpus Carl Epling; 1925-1-7 6229 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  UCD112294  Ceanothus oliganthus M. Vincent 1963-5-7 345 Los Angeles Santa Susana Mts., 1/2 mile east of the Ventura County line near the top of the pass. Santa Susana Pass Road, 1/2 mile off of the road on a small path. 488 Comment
  UCD162838  Ceanothus oliganthus D. O. Burge 2015-3-17 1689 Los Angeles Newhall Pass. 550 Comment
  UCR158847  Ceanothus oliganthus Scott D. White 1994-7-14 2239 Los Angeles Transverse Ranges; San Gabriel Mountains, San Dimas Canyon; along San Dimas Canyon Road 396 Comment
  UC50448  Ceanothus oliganthus var. oliganthus H. M. Hall Apr 1903 3743 Los Angeles Arroyo Seco Comment
  UCR147711  Ceanothus oliganthus var. oliganthus Valerie Soza, Et al. 2000-6-27 1032 b Los Angeles San Gabriel Mountains, Firebreak above Upper Winter Creek Trail, c. 2 mi NW of Chantry Flat along FSR 2N41.2 N of San Olene Canyon 823 Comment
  RSA671264  Ceanothus spinosus I. W. Clokey 1929-4-29 s.n. Los Angeles Mandeville Canyon 250 Comment
  RSA0048481  Ceanothus spinosus Kelly Williams 1980-4-30 25 Los Angeles Mulholland Highway, 1.5 mi. E of Stunt Road. 457 Comment
  SEINET13946094 Image available Ceanothus spinosus Lewis S. Rose 1955-1 55018 Los Angeles Hills north of Brentwood, Los Angeles Comment
  JEPS112754  Centaurea benedicta Dean W. Taylor 2002-5-1 18029 Los Angeles ca. 0.5 miles E of intersection of Johnson Road and Elizabeth Lake Road (ca. 1 mile N of Andrade Corner) 1005 Comment
  SEINET3146185  Centaurea melitensis G. B. Grant 153 Los Angeles Pasadena Comment
  UC894385  Centaurea melitensis Ezra C. Knopf 128 Los Angeles Santa Catalina Island Comment
  RSA660898  Centaurea melitensis Ann Williams 1992-5-14 19 -92 Los Angeles End of Canyon Dr., .2 miles off Penn St. and 100 yds. E of Whittier College track. 152 Comment
  SEINET8583415  Centaurium venustum B. C. Templeton 4574 Los Angeles Mandeville Canyon, Santa Monica Mountians. 200 Comment
  RSA647968  Centaurium venustum Michelle Manolovitz, Brian Manolovitz 1992-5-12 16 Los Angeles Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 400 feet northwest of park office. Comment
  RSA167693  Centranthus ruber Robert F. Thorne, Percy C. Everett 1964-2-7 33448 Los Angeles Growing along road to Pebbly Beach from Avalon. Santa Catalina Island 3 Comment
  CAS-BOT-BC288833  Centromadia parryi subsp. australis Peter H. Raven 1957-9-21 11332 Los Angeles At NW end of UCLA campus, Los Angeles Comment
  CAS-BOT-BC288838  Centromadia parryi subsp. australis L. R. Abrams 1902-8-24 2969 Los Angeles Mesmer Comment
  CHSC95799  Centrostegia thurberi LeRoy Gross 2005-5-3 2246 Los Angeles Transverse Ranges; San Gabriel Mountains region: West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.36587N, 117.86280 W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. (Valyermo 7.5 Quad: T4N, 5N R9W, 10W S6, 1, 31, NW1/4 of 6, NE1/4 of 1, SW1/4 of 31.) Alt.: 1085-1215m/3560-3984ft. 1150 Comment
  JEPS26581  Centrostegia thurberi var. thurberi Peter Kamb 1948-5-6 961 Los Angeles above Little Rock (San Gabriel Mountains); San Gabriel Mountains 975 Comment
  UC161827  Centrostegia thurberi var. thurberi Katharine Brandegee Los Angeles Lancaster 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
  OBI70754  Cerastium glomeratum Louis C. Wheeler 1969-5-3 s.n. Los Angeles San Gabriel Mts: Bluebird truck trl T1N R9W SW1/4 sec 22 716 Comment
  RSA655936  Cercocarpus betuloides James Henrickson 2000-4-15 20707 Los Angeles 1 mile SE of Newhall in W part of Whitney Canyon just NE of junction of San Fernando Road and State Hwy 14, within 200ft of Hwy 14 473 Comment
  UCR263049  Cercocarpus betuloides Mitch Provance 2008-4-14 10150 Los Angeles Western Transverse Range; Liebre Mountains, southeast of Quail Lake, 1.4 miles southeast of Hwy 138 on FSR N2/Ridge Route Road 1160 Comment
  CAS-BOT-BC142145  Cercocarpus betuloides var. betuloides Alice Eastwood 1915-8-1 s.n. Los Angeles Near Pasadena Comment
  CAS-BOT-BC142147  Cercocarpus betuloides var. betuloides John I. Carlson 1918-4-24 s.n. Los Angeles Hollywood Comment
  SD45605  Cercocarpus betuloides var. betuloides D. F. Howe 1953-5-2 Los Angeles Santa Catalina Island. Wain Canyon. Comment
  CAS-BOT-BC142112  Cercocarpus betuloides var. blancheae C. B. Wolf 1932-10-4 4222 Los Angeles West slope above road in back of St. Catherine Hotel, Avalon - Santa Catalina Island 22 Comment
  CATA3230  Cercocarpus betuloides var. blancheae Julie L. King 2017-1-17 41 Los Angeles Santa Catalina Island: West End Rd. between Howlands Landing & Cherry Valley, about 1.2 road miles north of entrance to Cherry Valley 56 Comment
  SBBG128349  Cercocarpus betuloides var. blancheae M. L. Hoefs, S. A. Junak, M. Askew 1999-7-15 3061 Los Angeles Lower Bulrush Cyn 262 Comment
  UC187677  Cercocarpus betuloides var. blancheae Katharine Brandegee May 17 1916-May 25 1916 Los Angeles Santa Catalina Island Comment
  SD230283  Cercocarpus ledifolius var. intermontanus V. W. Steinmann 1996-6-17 921 Los Angeles San Gabriel Mtns., ca. 2.5 km (by air) SSW of Mt. San Antonio, along Baldy Trail. 2550 Comment
  UC1127892  Cercocarpus ledifolius var. ledifolius A. E. Wieslander April, 1928 21 Los Angeles Big Rock Creek Wash, Angeles National Forest Big Rock Creek Wash; Angeles National Forest, Big Rock Creek Wash 1188 Comment
  UCR108667  Cestrum nocturnum L. C. Wheeler 1936-2-23 4079 Los Angeles San Gabriel: 217 S. Muscatel Avenue 107 Comment
  SFV16017  Chaenactis artemisiifolia A. M. Orcino, A. Sutton 1994-5-18 25 Los Angeles Santa Monica Mountains Calabasas. Stunt Road, 0.45 miles east from junction with Mulholland Highway. 796 Comment
  CHSC105209  Chaenactis fremontii L. Mayer; I. Mayer 1974-4-10 167 Los Angeles On Hwy 18 ca. 1 mi nw of its junction with Hwy 138. Comment
  RSA589199  Chaenactis fremontii Timothy S. Ross 1991-4-27 4670 Los Angeles Mojave Desert: Black Butte Basin Road; 2.75 miles and ca. 145 deg. SW of Three Sisters [buttes]. 1003 Comment
  RSA0065464  Chaenactis glabriuscula D. Dunn, H. Lint, P. Tolstoy 1948-4-23 s.n. Los Angeles Bonita Avenue near Irwindale Avenue, Irwindale. Comment
  UC1871091  Chaenactis glabriuscula var. glabriuscula T. S. Ross, Walter Appleby 1993-5-20 7181 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mountains: vicinity of Wilson Canyon Saddle; San Fernando quad: R15W T3N, NE/4 SE/4 sect. 9; elev. ca. 3120 ft. 951 Comment
  UC53914  Chaenactis glabriuscula var. glabriuscula Ernest Braunton 1902-4-1 248 Los Angeles Griffith Park Comment
  UCR270204  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2011-7-7 15425 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
  RSA660073  Chaenactis glabriuscula var. glabriuscula Orlando Mistretta 1992-5-25 421 Los Angeles Fenner Canyon Conservation Camp. 1738 Comment
  CAS-BOT-BC277515  Chaenactis glabriuscula var. lanosa Alice Eastwood 1906-5-27 235 Los Angeles Roscoe Comment
  UC280133  Chaenactis glabriuscula var. orcuttiana S. B. Parish 1918-6-5 11866 Los Angeles Playa del Rey Comment
  CAS-BOT-BC277832  Chaenactis santolinoides Rimo Bacigalupi; G. Thomas Robbins; L. R. Heckard 1953-6-14 4189 Los Angeles Upper slopes of So. Fork of Little Rock Creek Canyon, higher north slopes of the San Gabriel Mts., Angeles National Forest 1554 Comment
  RSA0039133  Chaenactis stevioides R. G. Swinney 2010-5-11 12661 Los Angeles Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  UCR193693  Chaenactis stevioides R. G. Swinney 1999-4-5 7047 Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 0.6 mi. south of Ft. Tejon Rd. (Ave. Y) on 213th St. East 1207 Comment
  UCR281418  Chaenactis stevioides R. G. Swinney 2014-4-17 16080 Los Angeles San Gabriel Mountains, SW of Littlerock, 0.5-0.8 mi. east of Cheseboro Rd., 100-200 m south of CA Aqueduct, 0.66 mile due S of Hwy. 138/Pearblossom Hwy 957 Comment
  CAS-BOT-BC518702  Chaenactis xantiana R. G. Swinney 2010-5-19 12779 Los Angeles San Gabriel Mountains/Western Mojave Desert: Oracle Hill summit, abandond Naval Analytics Station, at end of Pacific Telephone Access Rd., just W of Angeles Natl. Forest bountary, 2.05 air mi due E of Angeles Forest Hwy, 0.8 mi due W of Mt. Emma Rd. 1350 Comment
  RSA0115077  Chamaesyce Steven A. Junak 2000-10-12 SCa- 1414 Los Angeles Santa Catalina Island. Middle Canyon, along N side of Thompson Reservoir, NW side of reservoir. 204 Comment
  POM264747  Chamaesyce albomarginata L. C. Wheeler 1933-4-16 1661 Los Angeles San Pedro Hills (Palos Verdes Hills). 305 Comment
  RSA499082  Chamaesyce albomarginata L. C. Wheeler 1934-2-17 2383 Los Angeles Puddingstone Canyon, San Jose Hills. 213 Comment
  RSA590930  Chamaesyce albomarginata Orlando Mistretta 1994-4-12 1021 Los Angeles San Gabriel Mountains, Little Rock Creek. Slopes E of Little Rock Reservoir. 1159 Comment
  RSA591673  Chamaesyce maculata L. C. Wheeler 1966-9-21 8882 Los Angeles San Gabriel Canyon, El Encanto 259 Comment
  POM2853  Chamaesyce melanadenia I. M. Johnston 1917-11-30 1806 Los Angeles Mouth of live Oak Canon. Upper Sonoran Zone. 457 Comment
  RSA498536  Chamaesyce melanadenia L. C. Wheeler 1931-12-20 399 Los Angeles Roberts Canyon 366 Comment
  UC447148  Chamaesyce polycarpa J. Ewan 1931-5-16 4197 Los Angeles West Fork Santa Monica Mtns, Garapito Creek 457 Comment
  SJSU4462  Chamaesyce polycarpa H. R. Garrett 1962-4-15 Los Angeles Shady Cove Dr, Burbank Comment
  RSA603394  Chamaesyce serpens L. C. Wheeler 1975-5-11 s.n. Los Angeles Hacienda Heights: 7th Avenue and Pomona Freeway. Comment
  RSA432465A  Chamaesyce serpillifolia L. C. Wheeler 1933-10-26 2226 Los Angeles Arcadia. 149 Comment
  RSA549173  Cheilanthes covillei T. S. Ross, Peter Fritsch 1990-6-20 3692 Los Angeles San Gabriel Mountains: Rincon-Red Box Rd (2N24); ridgetop between W Fork San Gabriel River and Roberts Canyon 1329 Comment
  RSA0082905  Chenopodium Michael J. Moore, Hilda Flores Olvera, Helga Ochoterena, Ya Yang, Tommy Stoughton 2015-5-30 3123 Los Angeles Abalone Cove Reserve, Palos Verdes Nature Preserve. Along upper terrace overlooking the ocean. 39 Comment
  RSA776553  Chenopodium album Orlando Mistretta, Christine Mistretta 2010-6-14 5316 Los Angeles upper Big Tujunga canyon, 1.93 road miles E of junction with Angeles Forest Hwy. 1040 Comment
  SD53042  Chenopodium album Peter H Raven 1961-10-15 16846 Los Angeles San Gabriel River at Atherton Street, Long Beach. 2 Comment
  RSA423406  Chenopodium ambrosioides Freda Detmers 1930-1-18 s.n. Los Angeles In vacant lot, Verdugo Village Comment
  RSA423308  Chenopodium ambrosioides F. R. Fosberg 1930-6-26 S 3028 Los Angeles Lower Ballona Creek. 8 Comment
  RSA0080644  Chenopodium berlandieri R. G. Swinney 2010-5-29 13008 Los Angeles May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar. 939 Comment
  CATA1091  Chenopodium californicum Mark L. Hoefs 1995-5-16 2041 Los Angeles Santa Catalina Island: Big Springs Canyon, near road to Two Harbors 103 Comment
  SFV16350  Chenopodium murale P. M. Schiffman, R. van de Hoek 1996-7-29 s. n. Los Angeles California Channel Islands Santa Catalina Island. Bird Rock near Isthmus Harbor. Bird guano covered rock just off shore. Bird Rock #4. 1 Comment
  SFV7497  Chenopodium murale W. C. Willig 1974-5-3 44 Los Angeles Santa Monica Mountains Agoura. 50 yards north of Lobo Vista Road, 0.75 miles west of Triunfo Canyon Road, Lobo Canyon. 245 Comment
  RSA478574  Chenopodium pratericola L. C. Wheeler 1932-7-19 962 Los Angeles 2 miles north of Claremont. 412 Comment
  RSA620018  Chenopodium pumilio LeRoy Gross 1998-11-21 102 Los Angeles San Gabriels Mountains.: Henninger Flats. 801 Comment
  SEINET4565666  Chloris gayana P. Kennedy 1920-7-31 3529 Los Angeles Los Angeles Comment
  NY468364  Chorizanthe parryi var. fernandina S. B. Parish 06 1887 1987 Los Angeles San Fernando Valley Comment
  SBBG132190  Chorizanthe parryi var. fernandina A. Parikh, N. Gale 2014-5-11 2164 Los Angeles 1.2 km SE of Hwy 126, 2.8 km W of Interstate 5; N side of Santa Susana Mtns; Newhall Ranch 330 Comment
  CAS-BOT-BC244655  Chorizanthe staticoides Steve Boyd; Tim Ross 1988-4-28 2250 Los Angeles West end of San Gabriel Mtns, Sand Canyon E of Saugus. In a small side canyon. Angeles National Forest. 792 Comment
  CAS-BOT-BC244657  Chorizanthe staticoides James L. Reveal 1988-5-24 6869 Los Angeles On a mesa south of the Los Angeles County Animal Center Number 6 in Castaic near the junction of Charlie Canyon and Tapia Canyon roads on the east side of Castaic Valley 381 Comment
  RSA653907  Chorizanthe staticoides Valerie L. Soza, Shalini Deo, Stephen Dreher 2000-4-27 810 Los Angeles Verdugo Mountains, south side: Wildwood Canyon, Wildwood Canyon Park, at end of paved Wildwood Canyon Road at junction with fire road. 595 Comment
  UC849168  Chorizanthe staticoides Ira W. Clokey, B. Templeton Apr. 1929 4494 Los Angeles Mandeville Canyon , Mandeville Canyon (Santa Monica Mountains) 350 Comment
  UCR209151  Chorizanthe staticoides Dan S. Cooper 2009-4-30 409- 3 .2 Los Angeles Western Transverse Range; eastern Santa Monica Mtns., NW shoulder of Cahuenga Peak, Griffith Park 511 Comment
  UCSB1349  Chorizanthe staticoides Wedberg, H. 1957-6-15 Los Angeles Latigo Canyon, 2 mi from 101 Comment
  SBBG62337  Chorizanthe watsonii R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk 1219 Comment
  RSA659856  Chrysanthemum coronarium Chris White 1991-5-20 20 Los Angeles Point Fermin Comment
  UCR126792  Chrysothamnus nauseosus Mark A. Elvin 2003-8-13 s.n. Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River at the mouth of Long Canyon 274 Comment
  RSA757088  Chrysothamnus nauseosus subsp. consimilis R. G. Swinney 2008-10-8 9517 Los Angeles Ball Flat, north of Jackson Lake. 1878 Comment
  POM351979  Chrysothamnus nauseosus subsp. hololeucus L. E. Hoffman 1931-11-9 s.n. Los Angeles Mojave Desert, Little Rock Creek. Comment
  SEINET10670932 Image available Cichorium intybus Mary Merello, Heidi H. Schmidt 1999-12-3 Merello 2522 Los Angeles City of Pasadena. How's Market, 3035 Huntington Drive. Comment
  OBI55020  Cirsium occidentale Steve Boyd, Lauren Raz 1997-3-25 9306 Los Angeles Liebre Mts Region: Upper end of broad alluvial valley at head of Cienaga Cyn, S base of Liebre Mtn, at end of dirt rd leading 1 km NE of Knapp Ranch. T7N R17W E1/2 SW 1/4 sec 14 Comment
  CAS-BOT-BC285401  Cirsium occidentale var. californicum Geo. W. Garrettson 1954-7-21 s.n. Los Angeles Puente Hills Comment
  CAS-BOT-BC285413  Cirsium occidentale var. californicum Geo. B. Grant 1900-1-17 s.n. Los Angeles Lincoln Park Comment
  POM18107  Cirsium occidentale var. californicum P. A. Munz 1923-5-25 6814 Los Angeles Big Rock Creek, San Gabriel Mts. Wash among willows. 1280 Comment
  UCR177770  Cirsium occidentale var. californicum LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 403 Los Angeles Los Angeles Basin, Vedugo Mountains Region: Northwest side, Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane off of Newhome Ave. in city of Sunland 427 Comment
  SBBG65887  Cirsium occidentale var. californicum R. Hoffmann 1928-7-9 Los Angeles Cottonwood Springs, Pine Cyn Comment
  UCR138701  Cirsium occidentale var. venustum L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mtns, Pallett Creek 1280 Comment
  RSA0068449  Cirsium vulgare R. G. Swinney 2010-9-9 13780 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1994 Comment
  UC1922761  Cirsium vulgare Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1350 Los Angeles Transverse Ranges; Verdugo Mountains region; Mesa Lila Rd., SE side of Henderson Canyon. 427 Comment
  RSA601019  Cirsium vulgare L. C. Wheeler 1967-5-13 9518 Los Angeles San Gabriel Mountains. San Gabriel Canyon, near Ward's Grove. 266 Comment
  CAS-BOT-BC438752  Cistanthe monandra Timothy S. Ross; Victor W Steinmann 1995-5-8 8560 Los Angeles Liebre Mountains. Slopes between Leona Valley and Lost Valley. 1182 Comment
  RSA653884  Cistanthe monandra Valerie L. Soza, Steve Boyd 2000-4-26 794 Los Angeles Verdugo Mountains, south side: Stough Canyon, Stough Park, above parking lot SW of intersection of Walnut Avenue and Lockheed View Drive, W of De Bell Municipal Golf Course, SE of Starlight Theater. 396 Comment
  RSA748577  Cistus ladanifer Scott D. White, Justin M. Wood 2009-5-6 12646 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, dirt road between Cogswell Dam and fill slope on the S side of Cogswell Reservoir. 726 Comment
  UC1018329  Clarkia bottae H. Lewis and M. Lewis 1946-7-14 31 Los Angeles 0.6 mi from Sepulveda Blvd. (North Sepulveda Way); Santa Monica Mts. Comment
  UC1293694  Clarkia bottae P. C. Everett and E. K. Balls 1959-6-2 23850 Los Angeles 2 mi w Seminole Hot Springs; Santa Monica Mts. 868 Comment
  UCR256548  Clarkia cylindrica subsp. cylindrica Anuja Parikh, Nathan Gale 2011-6-17 3480 Los Angeles Transverse Range: San Gabriel Mountains, Aliso Canyon, just west of Angeles Forest Hwy, 0.5 km south of Aliso Canyon Road 1285 Comment
  RSA724759  Clarkia deflexa K. Dobry 1991-6-24 d- 741 Los Angeles At Soka Univ. Santa Monica Mts. Las Virgenes and Mulholland Hwy. Comment
  RSA191116  Clarkia dudleyana Robert F. Thorne, M. Z. Thorne 1967-6-25 37120 Los Angeles San Gabriel Mountains: Evey Canyon, 716 Comment
  RSA654210  Clarkia dudleyana Fred Brooks 1988-4-16 8 Los Angeles San Antonio Canyon, above lower ranger station at base of smaller canyon leading off to west. Comment
  UC1929743  Clarkia dudleyana V. Soza, LeRoy Gross 2001-5-22 1239 Los Angeles Transverse Ranges; San Gabriel Mountains region; Morgan Fire 2000 area, between Morgan and Wildwood Canyons, WSW of Sycamore Flat. 648 Comment
  RSA0117870  Clarkia elegans Robert L. Benson 1960-5-5 27 Los Angeles Blanchard Park. Pomona College. Claremont. 365 Comment
  POM201052  Clarkia epilobioides C. L. Hitchcock 1932-5-9 3489 Los Angeles Santa Catalina Island: At 2nd group of mine workings in left (east) fork of Pebbly Beach Canyon. 244 Comment
  UC284199  Clarkia heterandra P. A. Munz 1923-6-9 6938 Los Angeles Liebre Mts., Oakgrove Canyon Comment
  RSA448323  Clarkia purpurea subsp. viminea Geo. L. Moxley, Grinnell 1916-6-15 488 Los Angeles Santa Susana Mountains. Comment
  CAS-BOT-BC164873  Clarkia rhomboidea Louis C. Wheeler 1932-7-2 901 Los Angeles Brown Flat, San Gabriel Mts. 1310 Comment
  UC213428  Clarkia rhomboidea I. M. Johnston 1404 Los Angeles San Antonio Canyon San Antonio Mountains 1524 Comment
  UCSB69554  Clarkia unguiculata Gross, LeRoy 2001-5-6 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Along trail that comes up from Morning Glow Way, off of La Tuna Canyon Rd. city of Sun Valley (Burbank: T2N R14W S28) Comment
  UCSB7368  Clarkia unguiculata Haller, Norman 1953-5-17 Los Angeles 1/2 mile North of Topanga Shoping Center, approx 1 mile up Greenleaf Canyon, Topanga Canyon, Santa Monica Mts. Comment
  RSA73344  Clarkia xantiana subsp. parviflora F. W. Peirson 1923-5-27 3535 Los Angeles small canyon on Pinyon Ridge, Rock Creek, north slope of San Gabriel Mountains 1296 Comment
  RSA772108  Claytonia parviflora R. G. Swinney 2009-4-28 10542 Los Angeles summit of Mt. Emma 1585 Comment
  SBBG35145  Claytonia parviflora subsp. parviflora S. A. Junak with M. L. Hoefs, L. Stratton 1998-6-11 SCa 711 Los Angeles E side of Avalon Cyn, overlooking interpretive center 97 Comment
  RSA466707  Claytonia parviflora subsp. utahensis J. Aug Kusche 1929-4-14 s.n. Los Angeles Little Rock, Mohave Desert. Comment
  RSA0019898  Claytonia parviflora subsp. viridis Orlando Mistretta, Christine Mistretta 2011-6-29 5762 Los Angeles Vicinity of Mt. Gleason. Along Mt. Gleason Road, near microwave tower 0.5 miles SE of summit. 1945 Comment
  UC852089  Claytonia perfoliata subsp. mexicana Ira W. Clokey, B. Templeton Mar 1929 4525 Los Angeles Santa Monica Mountains, Mandeville Canyon Mandeville Canyon; Santa Monica Mountains, Mandeville Canyon 275 Comment
  UCR272753  Claytonia perfoliata subsp. mexicana M. B. Dunkle 1939-4-3 7224 Los Angeles Channel Islands, Chenetti Canyon, San Clemente Island Comment
  RSA0040209  Claytonia perfoliata subsp. mexicana Orlando Mistretta 1989-5-15 s.n. Los Angeles San Clemente Island, Bryce Canyon. Comment
  POM156326  Clematis lasiantha L. R. Abrams 1902-7-1 2610 Los Angeles Mt. Wilson. 1524 Comment
  RSA386209  Clematis lasiantha Martha Hilend 1928-3-4 50 Los Angeles Santa Monica Mtns: N of Pacific Palisades. Comment
  CHSC34391  Clematis ligusticifolia Philip A. Silverstone 1978-8-12 289 Los Angeles Jtn Maguire St. and Escondido St., 0.3 km from jtn Maguire and Latigo Canyon Rd., which is 4.8 km inland from State 1. Along creek bed. Comment
  RSA386255  Clematis ligusticifolia 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
  RSA729848  Clematis ligusticifolia R. G. Swinney 1999-6-21 7353 Los Angeles spring c. 150 m WNW of mouth of Jesus Canyon. 1494 Comment
  SBBG13606  Clematis ligusticifolia E. R. Blakley 1962-10-5 5463 Los Angeles Eagles Nest, Middle Ranch Cyn 152 Comment
  UCR150554  Clematis ligusticifolia R. G. Swinney 1999-6-21 7353 Los Angeles San Gabriel Mtns., spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  CAS-BOT-BC92811  Clematis pauciflora Louis C. Wheeler 1932-5-4 680 Los Angeles San Gabriel Wash. 106 Comment
  RSA440831  Cleome isomeris F. R. Fosberg 1931-12-10 7148 Los Angeles Avalon, Public Utilities Canyon. Santa Catalina Island. 50 Comment
  POM49817  Cleome serrulata P. A. Munz 1924-4-20 8152 Los Angeles 1 mile N of Claremont 426 Comment
  CAS-BOT-BC423116  Cleomella obtusifolia Roxana S. Ferris 1918-6-19 912 Los Angeles Lancaster Comment
  UCR181116  Collinsia R. G. Swinney 1997-5-13 5523 Los Angeles San Gabriel Mtns, Water Canyon, a tributary from the north of San Gabriel River Canyon, north of Morris Dam 439 Comment
  UCSB6041  Collinsia bartsiifolia var. davidsonii Haller, John 1958-4-11 Los Angeles 0.2 miles North of Palmale's Northern City Limit; 3.0 miles S of Avenue M (Lancaster); Los Angeles 6 Comment
  RSA680215  Collinsia callosa Valerie L. Soza, Naomi S. Fraga, Aydee Virgen 2003-6-16 1678 Los Angeles Western extension of Waterman Mountain, along Waterman Mountain trail 10W04 from approximatly 0.75 to 2.5 miles ESE from Three Points trailhead. 1982 Comment
  UCSB9592  Collinsia heterophylla Wedberg, Lee 1954-4-26 Los Angeles Devil's Gate Dam, Pasadena 243 Comment
  UCD123570  Collinsia heterophylla Garm Beall 1997-4-15 17 Los Angeles Mullholland Highway, 1 mile east of Malibu Canyon Road. Comment
  UCR138848  Collinsia parryi L. C. Wheeler 1968-5-15 s.n. Los Angeles San Gabriel Mtns., San Antonio Canyon, north side of ridge north of Cascade Canyon 1189 Comment
  UCR147300  Collinsia parryi Orlando Mistretta, Peter L. Morrell 1992-6-4 493 Los Angeles Transverse Ranges; San Gabriel Mountains region, Shortcut Canyon, OVH area. Arroyo District, paralleling Big Tujunga 1463 Comment
  RSA0117355  Collinsia parryi R. S. Woglum 1932-4-9 s.n. Los Angeles Mojave Desert: Palmdale. Comment
  CAS-BOT-BC59719  Comarostaphylis diversifolia subsp. planifolia H. E. Hasse 1906-1-1 s.n. Los Angeles Santa Monica Range. Comment
  UC625047  Constancea nevinii F. R. Fosberg 1931-7-16 S 5609 Los Angeles Avalon Santa Catalina Island, Avalon 5 Comment
  SFV21878  Convolvulus arvensis L. L. Zung 2011-5-17 5 Los Angeles Mojave Desert Vacant lot in Little Rock. 860 Comment
  RSA0042774  Convolvulus arvensis Harold L. Pirie 1963-5-7 s.n. Los Angeles On Pierce College Campus, Woodland Hills. 243 Comment
  JEPS26142  Conyza bonariensis Peter H. Raven 1959-4-4 13977 Los Angeles near houses behind Point Dume; Santa Monica Mountains, Point Dume 21 Comment
  RSA752286  Conyza bonariensis Justin M. Wood 2009-7-25 1158 Los Angeles Private residence on Ramona Ave, just SE of intersection of Arrow Highway and Mills Ave. 351 Comment
  LA37421  Conyza bonariensis Elizabeth McClintock; 1943-9-10 sn Los Angeles Santa Monica Mountains, Westwood Blvd, UCLA campus Comment
  RSA279047  Conyza bonariensis R. F. Thorne 1971-4-23 41472 Los Angeles Angeles National Forest; NE of Chantry Flats along Santa Anita Creek. 549 Comment
  RSA588871  Conyza canadensis Orlando Mistretta 1994-9-21 1494 Los Angeles San Gabriel Mtns., Santiago Canyon, At jct. of Forest Rd. 4N20 with Santiago Creek. 1280 Comment
  UCR146541  Cordylanthus nevinii Scott D. White 2004-8-11 10704 Los Angeles San Gabriel Mtns, c. 8 air mi WNW of Wrightwood; east of Fenner Saddle Rd. on Pacific Crest trail 2195 Comment
  PASA91  Cordylanthus rigidus subsp. brevibracteatus Frank W. Peirson 1921-11-12 Los Angeles Collin's Ranch, north slope Liebre Mts., about 4000ft. 1219 Comment
  JEPS70063  Cordylanthus rigidus subsp. setiger L. R. Heckard 1971-9-29 2843 Los Angeles ca. 3 mi sw Old Topanga Canyon Rd. (Mulholland road); Santa Monica Mts. 426 Comment
  JEPS8787  Coreopsis bigelovii Rimo Bacigalupi with G. T. Robbins and Sherwin Carlquist 1954-3-29 4387 Los Angeles hillside along old Ridge Route, road to Lancaster from Gorman (1.5 mi se of Gorman) 1127 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
  UC895144  Coreopsis californica var. californica Lewis S. Rose 1937-4-9 37073 Los Angeles 9 mi e Palmdale 822 Comment
  UC485378  Corethrogyne filaginifolia R. L. Pendleton 1909-7-3 1394 Los Angeles canyon s Avalon; Santa Catalina Island 60 Comment
  UC63363  Corethrogyne filaginifolia Ernest Braunton 1902-8-1 646 Los Angeles Los Angeles Comment
  RSA603819  Corethrogyne filaginifolia var. peirsonii Steve Boyd 1997-9-17 10035 Los Angeles Liebre Mountains Region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 915 Comment
  RSA397487  Cornus occidentalis Geo L. Moxley 1917-8-18 617 Los Angeles Cienega, Southwest from Los Angeles Comment
  LA105980  Cortaderia selloana A. C. Sanders; 1987-9-18 7372 Los Angeles El Segundo Dunes, W of Los Angeles Iint. Airport and Pershing Dr Comment
  UC1929979  Crassula connata V. Soza, LeRoy Gross 2002-4-3 1376 Los Angeles Transverse Ranges; Liebre Mountains region; West side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. 518 Comment
  UCR126231  Crassula connata A. C. Sanders 2003-3-14 25758 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 171 Comment
  RSA423439  Crassula connata var. erectoides Anstruther Davidson 1890-1 s.n. Los Angeles San Pedro Comment
  SBBG128317  Crocanthemum scoparium M. L. Hoefs 1991-4-23 1148 Los Angeles around upper White's Landing Rd 451 Comment
  RSA177852  Crossosoma californicum R. F. Thorne, Percy C. Everett 1965-5-12 34596 Los Angeles Catalina Canyon, at upper end; Santa Catalina Island. 244 Comment
  CHSC95751  Croton californicus Joseph Marlowe Keefe 2001-1-24 31016 Los Angeles San Rafael Mountains. East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena, California,. 250 Comment
  RSA569530  Croton californicus E. S. Spalding 1931-7-31 s.n. Los Angeles Manhattan Beach. Comment
  SFV2074  Croton californicus R. L. Armacost May 1934 s. n. Los Angeles Playa del Rey. Hills east of Loyola University. 45 Comment
  UC56933  Croton californicus E. B. Babcock Nov. 1902 Los Angeles near Pomona Comment
  UC1259360  Crypsis schoenoides Barry Hammel 1976-8-2 402 Los Angeles Little Rock Reservoir Angeles National Forest, San Gabriel Mountains 1036 Comment
  SBBG131624  Crypsis vaginiflora S. A. Junak 1999-9-11 SCa 1099 Los Angeles W side of upper Buffalo Springs reservoir 432 Comment
  SEINET3926241  Crypsis vaginiflora Louis C. Wheeler 1966-9-6 8869 Los Angeles San Gabriel Mountains. Little Rock Reservoir.; 0 Comment
  RSA756949  Cryptantha barbigera Orlando Mistretta, Christine Mistretta 2008-4-16 2474 Los Angeles San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 23 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1142 Comment
  CAS-BOT-BC189393  Cryptantha circumscissa R. J. Dobbs 1924-7-16 s.n. Los Angeles Slope of Mount Pacifico, San Gabriel Mountains, about 18 miles NE of Pasadena 1981 Comment
  CAS-BOT-BC189398  Cryptantha circumscissa Timothy S. Ross; J. Mark Porter 1994-5-1 7569 Los Angeles SW Mojave Desert: ca 1870 m SW of Three Sisters buttes, along Black Butte Basin Road 966 Comment
  UCD119602  Cryptantha circumscissa Steve Boyd 1986-3-30 1511 Los Angeles Mojave Desert, Highway 18, 0.5 mile east of junction with Highway 138, NE of Pinyon Hills. Comment
  UCR184050  Cryptantha circumscissa A. C. Sanders, T. B. Salvato, Mitch Provance, Aaron Keller, et al 2007-4-12 33383 Los Angeles Western Antelope Valley, Neenach, south of Hwy 138 at end of 290th St. West, toe of hills between Horse Camp and Cow Spring canyons and into mouth of Cow Spring Canyon 976 Comment
  UCR193576  Cryptantha circumscissa R. G. Swinney 1999-4-5 7060 A Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 0.6 mi. south of Ft. Tejon Rd. (Ave. Y) on 213th St. East 1207 Comment
  UC55366  Cryptantha clevelandii J. H. Barber 1898-3-20 Los Angeles South Beach Comment
  RSA756795  Cryptantha clokeyi Orlando Mistretta, Christine Mistretta 2008-4-21 2511 Los Angeles Southern California Edison transmission line tower (Segment 6, Structure 42 per TRTP Survey 2008), vicinity of Mill Creek. 1425 Comment
  UCR138544  Cryptantha decipiens Steve Boyd 1986-3-31 1576 B Los Angeles Mojave Desert, Hwy 18 c. 1 mi east of junction with Hwy 138, NE of Pinyon Hills 1037 Comment
  UCR51028  Cryptantha decipiens A. C. Sanders, E. J. Lawlor 1988-4-3 7735 Los Angeles Southern Mojave Desert, 1.3 mi. NW of the San Bernardino County line on Hwy 138, c. 2 mi. NW of Pinyon Hills. 1159 Comment
  RSA0076021  Cryptantha intermedia R. G. Swinney 2010-4-1 12124 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  RSA0092555  Cryptantha intermedia Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14322 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 degrees) NNW of the trailhead. 451 Comment
  SFV15332  Cryptantha intermedia J. C. Dittes, D. Stolp 1990-3-10 40 Los Angeles San Gabriel Mountains Riverbed of Big Tujunga River, 1 mile upstream of the flood control reservoir. 732 Comment
  SDSU5390  Cryptantha intermedia H. Wedberg 1966-4-3 1189 Los Angeles In Eagle Rock. 457 Comment
  POM182805  Cryptantha intermedia var. intermedia Ernest Braunton 1903-03 837 Los Angeles Playa del Rey. 76 Comment
  IRVC29584  Cryptantha micrantha var. lepida A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26195 Los Angeles Castaic Valley at west foot of Castaic Mesa, Newhall Ranch Western San Gabriel Mtns. 366 Comment
  RSA588730  Cryptantha micrantha var. lepida Orlando Mistretta 1994-5-31 1277 Los Angeles Santiago Canyon. N slope of Pacifico Mtn. 1939 Comment
  UCR272540  Cryptantha micrantha var. micrantha R. G. Swinney 2011-6-7 15026 Los Angeles San Gabriel Mountains, Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road 1616 Comment
  CHSC98605  Cryptantha micromeres LeRoy Gross; Michael Honer, Leland Lubinsky 2000-4-27 195 Los Angeles San Rafael Hills: Ridge running due west of Lookout Tower, east of the (2) Glendale Freeway. On north slope; area burned in 1999. 487 Comment
  UC1212102  Cryptantha micromeres Peter H. Raven and Henry J. Thompson 15076 Los Angeles nw slope Mt. Hollywood; Santa Monica Mountains 335 Comment
  RSA164789  Cryptantha microstachys Wesley O. Griesel 1961-5-19 341 Los Angeles State Hwy 2, La Canada Burn, San Gabriel Mts. 609 Comment
  UCR95466  Cryptantha microstachys L. C. Wheeler 1967-4-30 9221 Los Angeles San Gabriel Mtns, Limekiln Canyon 564 Comment
  SEINET3084441 Image available Cryptantha muricata Steve Boyd, T. S. Elias 1987-4-14 2058 Los Angeles San Gabriel Mtns.; ridge between Pine Mtn. and Silver Mtn., south of Rincon - Red Box Road, north of Glendora Comment
  RSA802426  Cryptantha muricata var. denticulata Orlando Mistretta, Cher Batchelor 2011-7-27 5996 Los Angeles Along Rincon Red Box Road (Forest Road 2N24) 1.2 air miles W of Monrovia Peak. 1366 Comment
  RSA0079200  Cryptantha muricata var. denticulata Henry J. Ramsey 1937-6-27 917 Los Angeles Angeles National Forest: Bear Creek, north of Pacoima Reservoir. Comment
  SBBG63810  Cryptantha muricata var. jonesii R. Hoffmann 1927-6-14 Los Angeles Pine Cyn Comment
  RSA0079380  Cryptantha muricata var. jonesii Kelly Middleton, David Middleton 1988-5-8 16 Los Angeles Glendora Ridge Road, 6.6 miles west of Mt. Baldy Rd. intersection 1220 Comment
  UCR271132  Cryptantha muricata var. muricata R. G. Swinney 2011-6-14 15112 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  RSA593893  Cryptantha nevadensis var. rigida Steve Boyd 1996-4-24 8654 Los Angeles Liebre Mountains, northwestern base of the range at the extreme southeastern end of Peace Valley along Angeles National Forest Road 8N01 6.7 road miles from jtn with 8N05 and ca 1.0 road mile from West Branch California Aqueduct. 1098 Comment
  RSA586462  Cryptantha oxygona Orlando Mistretta, Steve D. Boyd 1994-6-21 1368 Los Angeles Santiago Canyon, near summit of Pacifico Mountain 1982 Comment
  RSA0079335  Cryptantha pterocarya var. purpusii R. G. Swinney 1999-5-1 7091 Los Angeles San Gabriel Mtns./Mojave Desert: Graham Canyon, 2.4 miles south of Ft. Tejon Rd., c. 200 m north of Mescal Highlands Rd. 1341 Comment
  RSA632842  Cryptantha similis R. F. Thorne, J. P. Simon, J. Dourley, H. Caulfield 1970-5-1 39530 Los Angeles Mojave Desert: Along road to Valyermo ca. 1 mile east of Pallett Ranch at foot of grade north of Pinyon Pine Ridge in Shoemaker Canyon. 1402 Comment
  SBBG131886  Cryptantha traskiae S. A. Junak, D. Wilken 1996-3-27 SCI 261 Los Angeles S of Eel Cove Cyn, on top of 2nd rocky headland 54 Comment
  SEINET10896302  Cryptomeria japonica David B. Dunn 1957-1 Dunn UMO 41724 Los Angeles Collected from a street tree in Los Angeles, Calif. Tree 50 ft tall. Comment
  HSC84219  Cuscuta californica A. C. Sanders 1987-6-10 7121 Los Angeles El Segundo Dunes at W end of L.A. International Airport 30 Comment
  UCD126254  Cuscuta californica Daryl Koutnik 1978-6-25 563 Los Angeles 1 mile south of Seminole Hot Springs on Mulhollad Highway. 335 Comment
  RSA409728  Cuscuta ceanothi E. S. Spalding 1923-2-3 s.n. Los Angeles Laurel Canyon Comment
  UCR18114  Cuscuta pentagona O. F. Clarke 1973-6-5 s.n. Los Angeles San Gabriel Valley, Walnut, Valley Blvd and Lemon Avenue 159 Comment
  RSA761712  Cuscuta subinclusa R. G. Swinney 2008-10-10 9557 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  RSA0085496  Cynara scolymus R. G. Swinney 2010-6-23 13334 Los Angeles Hansen Dam Flood Control Basin, 0.1-0.4 miles E of Orcas Park on N side of Big Tujunga Wash, east end of survey area due south of Christy Ave. Along equestrian trail (several plants in yard c. 0.2 miles to the NW), due s. of Christy Ave. 331 Comment
  UCR179241  Cyperus difformis R. G. Swinney 1989-6-25 s.n. Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon Debris Basin 366 Comment
  RSA365072  Cyperus eragrostis T. S. Clare 1929-4-11 s.n. Los Angeles Verdugo Hills, near Glendale Comment
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Aug 8 2017
  RSA554474  Cyperus eragrostis Scott D. White 1992-10-8 907 Los Angeles Malibu, base of Santa Monica Mountains, just N of Pacific Coast Highway, extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School. 91 Comment
  POM220642  Cyperus esculentus L. C. Wheeler 1932-8-9 1127 Los Angeles 2 miles SW [of] Azusa 107 Comment
  CAS-BOT-BC114312  Cyperus esculentus Joseph Andorfer Ewan 1932-6-28 7501 Los Angeles Los Angeles River at Fletcher Ave Bridge. Comment
  RSA651084  Cyperus involucratus Roger A. Schmitt 1963-6-3 s.n. Los Angeles Stream near Aliso Dorm, Cal Poly College, Pomona. Comment
  UCR74443  Cyperus regiomontanus O. F. Clarke 1991-11-5 s.n. Los Angeles Pasadena, at M.R. Alexander residence [off Lake Ave. north of the freeway] 268 Comment
  JEPS313  Cystopteris fragilis Ernest Braunton 1932-3-27 1068 Los Angeles San Dimas Canyon; San Gabriel Mts 1066 Comment
  UCR150858  Cystopteris fragilis R. G. Swinney 1999-8-16 7666 Los Angeles San Gabriel Mtns., Wrightwood area, Flume Canyon, spring c. 200 m north of Guffy Campground 2445 Comment
  RSA681150  Cytisus striatus LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1073 Los Angeles North side of mountains: North of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, freeway cut (210 Freeway) just east of La Tuna Canyon exit. 457 Comment
  RSA431666  Datisca glomerata Fay A. MacFadden 1931-6-1 s.n. Los Angeles Tuna Canyon, Verdugo Hills. 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
  RSA271750  Datisca glomerata J. Sauer 1975-7-10 5707 Los Angeles Sequit basin, Santa Monica Mts. 335 Comment
  SBBG128420  Daucus pusillus M. L. Hoefs 1994-5-21 1834 Los Angeles SE end of Renton Mine Rd 262 Comment
  UCR127196  Daucus pusillus A. C. Sanders, Mark A. Elvin, and others 2003-5-1 26282 Los Angeles Western San Gabriel Mtns., NE side of Castaic Mesa, c. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch 457 Comment
  UCR143436  Daucus pusillus M. B. Dunkle 1939-4-2 7206 Los Angeles Channel Islands, Southeast corner/point of San Clemente Island [=Pyramid Point/Head] 61 Comment
  RSA248845  Daucus pusillus R. F. Thorne 1973-4-11 42862 Los Angeles San Clemente Island, middle portion of Norton Canyon. 274 Comment
  SBBG32079  Deinandra clementina R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -236 Los Angeles S side of Little Harbor Comment
  UC303078  Deinandra clementina T. Minthorn 1920-7-1 Los Angeles near Avalon; Catalina Island Comment
  CATA1259  Deinandra fasciculata Mark L. Hoefs, Douglas R. Hoefs 1995-6-29 2343 Los Angeles Santa Catalina Island: Near junction of Empire Landing Road and road to Two Harbors 207 Comment
  UC2026453  Deinandra kelloggii Louis C. Wheeler 1965-6-21 8696 Los Angeles LIEBRE MOUNTAIN: Two Shay Ranch, Bouquet Canyon. Comment
  CAS-BOT-BC131008  Deinandra minthornii John Thomas Howell 1947-7-17 23375 Los Angeles East side of Santa Susana Pass Comment
  CAS-BOT-BC131011  Deinandra minthornii John Thomas Howell 1977-3-7 52314 Los Angeles Summit of Santa Susana Pass, Los Angeles - Ventura Co. line Comment
  SFV9753  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
  SFV21114  Delphinium cardinale L. Gross, N. Fraga, B. Hogshead, A. Virgen 2003-6-19 1102 Los Angeles Verdugo Mountains North side of Verdugo Mountains. Entered west of Haines Canyon Park off of Estepa Drive in Tujunga. Followed ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge. Tributary is north of the 210 Freeway. South of freeway will drain into La Tuna Canyon. On low ridge on east side of canyon, near canyon bottom. 457 Comment
  UC741186  Delphinium cardinale Muriel F. Wheeler 1938-7-23 952 Los Angeles brush land 1/2 mi ne San Dimas County Park; San Dimas Canyon Wash Comment
  UCR272851  Delphinium glaucum R. G. Swinney 2011-7-29 15561 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  UCR223510  Delphinium parishii R. G. Swinney 2009-5-28 10960 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  RSA0031196  Delphinium parishii subsp. parishii Robert F. Thorne, M. Z. Thorne 1969-7-9 38492 Los Angeles Angeles National Forest: Table Mt. above Big Pines Ranger Station. 2119 Comment
  RSA398738  Delphinium parryi N. C. Cooper 1945-5-1 2187 Los Angeles Santa Monica Mountains 762 Comment
  LA200788  Delphinium parryi subsp. parryi Jonathan Sauer; D. Birindelli, et. al. 1969-6-4 4566 Los Angeles Santa Monica Mountains, Saddle Peak, near Saddle Peak Comment
  SBBG122107  Delphinium parryi subsp. parryi A. Parikh, N. Gale 2003-5-24 736 Los Angeles Plum Cyn, 1.3 km SSW of Cruzan Mesa, 2.1 km W of Sierra Hwy 622 Comment
  JEPS6107  Delphinium patens subsp. hepaticoideum Marcus E. Jones, A. M. 1882-5-2 3204 Los Angeles Pasadena Comment
  RSA748186  Delphinium patens subsp. hepaticoideum Scott D. White, Justin M. Wood 2009-5-6 12663 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  RSA152145  Delphinium patens subsp. montanum Wesley O. Griesel 1962-5-12 s.n. Los Angeles Charlton Flats to Chilao Camp, San Gabriel Mts 1524 Comment
  RSA783864  Delphinium variegatum subsp. thornei Bart O'Brien, Jason Koontz, Emma Havstad 2012-4-24 2012 -37 Los Angeles San Clemente Island. China Canyon. 375 Comment
  UCR100069  Dendromecon rigida R. G. Swinney 1969-4-2 318 Los Angeles Western Transverse Range; Santa Monica Mtns., Cold Water Canyon Rd. south of Mulholland Hwy Comment
  UCR269942  Dendromecon rigida R. G. Swinney 2010-4-13 12188 Los Angeles San Gabriel Mountains, 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom 610 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
  SEINET5339600  Dendromecon rigida Pupils s.n. Los Angeles Los Angeles. Comment
  POM14765  Dendromecon rigida subsp. rigida Alice Eastwood 1913-5-11 3155 Los Angeles San Fernando Wash Comment
  RSA251432  Deschampsia danthonioides R. F. Thorne 1966-4-17 36097 Los Angeles San Clemente Island: mesa just NW of Thirst. 549 Comment
  UCR270814  Descurainia pinnata subsp. glabra R. G. Swinney 2011-5-24 14832 Los Angeles San Gabriel Mountains, to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1061 Comment
  RSA137725  Descurainia pinnata subsp. menziesii R. F. Thorne 1966-4-6 35921 Los Angeles Santa Catalina Island. Bottom of old quarry W of Empire Landing. 76 Comment
  SFV1457  Descurainia pinnata subsp. menziesii M. L. Vincent 1962-2-19 135 Los Angeles Santa Monica Mountains Near Piuma Road, 5 miles east of Malibu Canyon Road. Comment
  RSA0047558  Descurainia sophia A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-11 32020 Los Angeles west end of Antelope Valley, north of Hwy 138 near mouth of Tentrock Canyon, c. 1 mile NW of La Liebre Ranch (High Desert Hunt Club) buildings 945 Comment
  RSA433568  Dicentra chrysantha M. B. Dunkle 1933-6-17 3595 Los Angeles San Antonio River Canyon 915 Comment
  RSA600013  Dicentra chrysantha Steve Boyd, Lauren Raz 1997-5-29 9925 Los Angeles Liebre Mountains region: North base of Portal Ridge, north of the San Andreas Rift Zone at the edge of the Antelope Valley, upper mouth of Cow Spring Canyon along the Pacific Crest Trail. 1128 Comment
  RSA737101  Dicentra chrysantha Scott D. White, Justin M. Wood 2008-10-7 12548 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, between Bear Creek and Rincon Red Box Rd. 549 Comment
  SEINET13203164 Image available Dichelostemma capitatum R. G. Swinney 2010-1 11828 Los Angeles San Gabriel Mountains: Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. (Oat Mt. 7.5' Q.) 442 Comment
  UCR178902  Dichelostemma capitatum R. G. Swinney 1969-4-22 354 Los Angeles San Gabriel Mtns., Glendora, north end of Rainbow Dr. and junction with Bender Canyon 305 Comment
  UCR2717958  Dichelostemma capitatum R. G. Swinney 2010-5-7 12587 Los Angeles San Gabriel Mountains, Lake View Terrace, Oliver Canyon, 0.85 air miles north of I-210 Fwy., c. 100 meters east of cyn. bottom along private dirt service rd. 463 Comment
  UCR214599  Dichondra micrantha A. C. Sanders, Dan S. Cooper 2010-4-30 38126 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  POM292882  Dichondra occidentalis Lyman Benson 1953-5-2 15107 Los Angeles Catalina Island. North face of Swain Canyon, Whites Landing 366 Comment
  RSA608875  Digitaria sanguinalis L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon, Blum Ranch. 884 Comment
  SD253514  Diplacus brevipes R. G. Swinney 2011-6-14 15154 Los Angeles San Gabriel Mountains: upper Charlton Flat Campground, 0.53 air mile SSW of the junction of Angeles Crest Highway & Charlton Flat entrance road. 1646 Comment
  CAS-BOT-BC152892  Diplacus brevipes Geo. L. Moxley 1922-5-1 s.n. Los Angeles Mint [Canon] Canyon Comment
  SBBG15557  Diplacus fremontii W. G. Webb -Apr-1935 Los Angeles adjacent to Sunland Comment
  CAS-BOT-BC150660  Diplacus longiflorus Peter H. Raven 1959-5-9 14167 Los Angeles Mulholland Hwy. 1 mile W. of Las Virgenes Rd. Malibu Creek drainage 274 Comment
  SBBG31496  Diplacus puniceus R. M. Beauchamp 1967-3-20 342 Los Angeles above Beach Rd, S of Avalon Comment
  SEINET10897327  Distichlis spicata var. stolonifera LeRoy R. Abrams 1902-6-9 Abrams 2499 Los Angeles In salt marshes, Playa del Rey. Comment
  RSA230229  Dodecatheon redolens Robert F. Thorne 1969-7-2 38336 Los Angeles San Gabriel Mountains, Angeles National Forest; c. 1.8 miles S of Dawsons saddle on Angeles Crest Highway. (NW slope of Mt. Hawkins) 2271 Comment
  RSA609136  Draba cuneifolia L. C. Wheeler 1931-2-28 s.n. Los Angeles Edge of San Gabriel Mt. foothills, 1/2 mile NE of Webb School. 411 Comment
  POM186284  Dryopteris arguta Joseph A. Ewan 1933-7-4 7856 Los Angeles above Madrono Flats, E. Fork Santa Anita Canyon 1067 Comment
  RSA649985  Dryopteris arguta Eldon Winterbourne s.n. Los Angeles Turnbull canyon, no. of Puente. 304 Comment
  SEINET6409456  Dryopteris arguta G. B. Grant 1904-4-24 326 Los Angeles Sierra Madre Mts. 1524 Comment
  CAS-BOT-BC428049  Dudleya cymosa subsp. crebrifolia K. Nakai 1978-4-23 361 Los Angeles San Gabriel Mountains, Fish Canyon, ca. 1.2 km up canyon 300 Comment
  UC205024  Dudleya cymosa subsp. pumila I. M. Johnston 1917-7-4 1494 Los Angeles Bear Canyon San Antonio Mtns 1524 Comment
  RSA763534  Dudleya lanceolata Justin M. Wood 2010-5-10 1590 Los Angeles Little Rock Creek: upstream of Little Rock reservoir to confluence w/ Santiago Creek. 999 Comment
  CAS-BOT-BC109629  Dudleya multicaulis Louis C. Wheeler 1934-4-27 2572 Los Angeles Marshall Creek, San Gabriel Mountains. 487 Comment
  RSA0077164  Dudleya pulverulenta Reid V. Moran 1949-7-4 3288 Los Angeles Santa Susana Grade. Comment
  SD132742  Dudleya virens James C. Dice, Rowena Thompson & Bob Thompson 1983-6-7 351 Los Angeles Point Vicente, 0.4 km east of lighthouse, on north-facing slope along south edge of Palos Verdes Drive South. 64 Comment
  RSA534964  Dudleya virens subsp. insularis M. B. Dunkle 1931-4-22 2466 Los Angeles Santa Catalina Island: Little Harbor Comment
  RSA0036822  Dysphania botrys Justin M. Wood 2011-7-7 4333 Los Angeles San Gabriel Mountains: Little Rock Creek: just upstream of Little Rock reservoir. 999 Comment
  SEINET478074  Dyssodia anthemidifolia H. S. Gentry, L. McGill 23312 1973-6-18 Los Angeles 4 miles south of Los Angeles Bay road fork along road to San Borgas Comment
  UCSB11820  Ehrendorferia chrysantha Creighton, B. 1961-5-5 Los Angeles Mint Canyon Camp Ground 7.7 miles northeast of Solemint an US Highway 6 624 Comment
  LA99086  Ehrendorferia ochroleuca Carl Epling; L. Ellison 1929-4-27 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA0086862  Ehrharta erecta Steven A. Junak 1998-6-13 SCa- 743 Los Angeles Santa Catalina Island: City of Avalon, in planted area at Casino Building. 2 Comment
  SBBG31325  Elatine californica R. F. Thorne 1966-4-6 35898 Los Angeles below Catalina Airport 435 Comment
  CAS-BOT-BC112854  Eleocharis macrostachya George B. Grant 1904-7-14 s.n. Los Angeles East Lake Reservoir, Los Angeles. Comment
  UCR190755  Eleocharis macrostachya R. G. Swinney 1999-7-5 7496 Los Angeles San Gabriel Mtns., head of Cedar Canyon, meadow on north side of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2 2037 Comment
  CAS-BOT-BC113041  Eleocharis montevidensis I. Johnston 1917-5-30 1132 Los Angeles Chino Creek south of Ontario 152 Comment
  POM1369  Eleocharis montevidensis I. M. Johnston 1917-4-11 s.n. Los Angeles Compton Creek near Dominguez. Comment
  POM210885  Eleocharis palustris L. C. Wheeler 1934-5-14 2591 Los Angeles Sunny seasonal stream in meadow near mouth San Dimas Canyon, San Gabriel Mtns. 441 Comment
  UCR99559  Eleocharis parishii B. G. Pitzer, Paul Gomez 1996-4-28 2749 Los Angeles Los Angeles Basin, Harbor City / City of Wilmington, Harbor Regional Park, at intersection of Pacific Coast Hwy (Calif. Hwy 1) with Vermont Avenue Comment
  UC69344  Eleocharis parishii H. M. Hall 1900-6-4 1517 Los Angeles San Antonio Mountains Comment
  UCR125918  Elymus condensatus A. C. Sanders, Mark Elvin 2002-6-19 25179 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, head of 'Adobe Cyn.' and pass into 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  LA33389  Elymus condensatus Peter H. Raven; Henry J. Thompson 1959-6-4 14336 Los Angeles Santa Monica Mountains, Point Dume, above the beach 30 Comment
  RSA773827  Elymus elymoides R. G. Swinney 2009-6-3 11028 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR209987  Elymus elymoides R. G. Swinney 2008-7-24 9277 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  RSA584024  Elymus elymoides subsp. elymoides Timothy S. Ross, Steve Boyd 1990-5-29 2706 Los Angeles San Gabriel Mountains. Big Rock Creek. Vicinity of an old, destroyed homestead on the W side of the riparian strip, just upstream from the Gaging Station. 1239 Comment
  POM365337  Elymus glaucus F. R. Fosberg 1931-4-10 S- 4555 Los Angeles Avalon Valley, Santa Catalina Island 50 Comment
  SEINET954732  Elymus glaucus A. C. Sanders 2003-1 26249 Los Angeles Western San Gabriel Mtns.: southeast side of Castaic Mesa, east of Lake Hughes Rd. and the filtration plant, Newhall Ranch. 396 Comment
  CAS-BOT-BC206745  Elymus glaucus subsp. glaucus H. M. Hall 1901-6-1 2269 Los Angeles In the vicinity of Strawberry Valley - San Jacinto Mountains 1828 Comment
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Oct 10 2020
  SEINET4208312  Elymus glaucus subsp. glaucus Louis C. Wheeler 1967-5-24 9745 Los Angeles San Gabriel Mountains. Indian Canyon, near mouth.; 0 701 Comment
  SD237266  Elymus ponticus R. G. Swinney 2008-6-17 9025 Los Angeles San Gabriel Mountains: 2.3 mi. north of Hwy 2 at Vincent Gap Pinyon Ridge Motorway. 1992 Comment
  UCR206416  Elymus triticoides R. G. Swinney 2008-6-9 8957 Los Angeles San Gabriel Mtns., Sandrock Creek, 1.0 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  RSA0091493  Emmenanthe penduliflora R. G. Swinney 2010-3-13 11889 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  UC1922863  Emmenanthe penduliflora Valerie Soza, Bill Hogshead 2003-4-23 1637 Los Angeles Transverse Ranges; Verdugo Mountains region; Brand Park, Brand Canyon. 457 Comment
  LA200515  Emmenanthe penduliflora var. penduliflora Jonathan Sauer; D. Birindelli, L. Birindelli 1969-6-21 4597 Los Angeles Santa Monica Mountains, Saddle Peak, near Saddle Peak 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
  UCR197769  Emmenanthe penduliflora var. penduliflora Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 49 Los Angeles Transverse Ranges; San Gabriel Mountains, off Big Pines Hwy (Road N) on the north side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside 1444 Comment
  POM356652  Encelia californica M. B. Dunkle 1938-3-20 5253 Los Angeles Rolling hills, Palos Verdes Hills, Los Angeles. Comment
  POM4939  Encelia californica I. M. Johnston 1917-4-11 s.n. Los Angeles Dominguez Mesa Comment
  UCR159810  Encelia californica Phillip Robinson 1991-5-9 347 Los Angeles Los Angeles Basin region; San Gabriel Valley, Sycamore Canyon, 0.25 miles south of intersection of Beverly Blvd. & Workman Mill. 0.5 miles east of Workman Mill on trail into canyon. [City of Industry, SW of Rio Hondo College, east of 605 Fwy] Comment
  UCR241078  Encelia californica Jeremiah George 2012-5-15 s.n. Los Angeles Western Transverse Range/San Gabriel Mtns., Santa Clarita, Bee Canyon just north of Soledad Canyon Road, SE of Hwy 14, west side of wash 537 Comment
  UCR261126  Encelia californica R. G. Swinney 2010-2-27 11722 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
  UCD150969  Encelia farinosa D. S. Park 2010-4-27 55 Los Angeles Ranch Santa Ana Botanic Garden 380 Comment
  UCR259640  Encelia farinosa R. G. Swinney 2010-5-7 12599 Los Angeles San Gabriel Mountains, Lake View Terrace, Oliver Canyon mouth, west of debris basin, 0.35 air miles north of I-210 Fwy, NW side of jct. of 'BP and L Rd' and Jimenez St./Dominica Ave. 378 Comment
  POM123096  Endolepis covillei Marcus E. Jones 1924-9-17 s.n. Los Angeles Lancaster. Comment
  CAS-BOT-BC81810  Ephedra nevadensis Timothy S. Ross 1991-4-27 4635 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking +/- S to SSW), ca 0.25-0.3 miles W 1203 Comment
  NY70335  Ephedra nevadensis H. E. Hasse 1893-5-21 6040 Los Angeles Acton 823.0 Comment
  RSA383904  Ephedra nevadensis N. C. Cooper 1943-11-20 990 Los Angeles Lancaster. Mojave Desert 762 Comment
  RSA9746  Ephedra nevadensis L. C. Wheeler 1932-4-10 602 Los Angeles 2 mi. W Palmdale Mohave Desert. 762 Comment
  UCR101679  Ephedra viridis B. G. Pitzer 1998-5-23 3728 Los Angeles Western Transverse Range, Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  LA211926  Epilobium angustifolium Duncan Bell; Caitlin Elam 2013-8-1 5561 Los Angeles SAN GABRIEL MOUNTAINS, Sheep Mountain Wilderness; S side of Prarie Fork; Pinke Mountain Ridge; Columbine Spring. 2174.0 Comment
  UCR193999  Epilobium canum R. G. Swinney 1998-8-13 6761 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  UCR227747  Epilobium canum R. F. Thorne, C. W. Tilforth, John Dourley, Ron Scoggin 1972-8-11 42195 Los Angeles San Gabriel Mountains, Angeles National Forest, Angeles Crest Hwy near Three Points 1829 Comment
  LA206115  Epilobium canum subsp. canum Louis C. Wheeler; 1931-10-16 253 Los Angeles San Gabriel Mountains, Sawpit Canyon 304 Comment
  UC55381  Epilobium canum subsp. canum J. H. Barber 1897-7-2 236 Los Angeles Bear Canyon Comment
  UCR19034  Epilobium canum subsp. canum John C. Roos 1941-10-11 866 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  CAS-BOT-BC171921  Epilobium canum subsp. latifolium Joseph Andorfer Ewan; Nesta Ewan 1936-8-14 10042 Los Angeles Throop Peak, San Gabriel Mts. 2743 Comment
  RSA529204  Epilobium canum subsp. latifolium Tim S. Ross, Steve D. Boyd 1991-7-24 5604 Los Angeles Granite Mountain vicinity: ridge NNE of Granite Mountain. 1927 Comment
  RSA72089  Epilobium canum subsp. latifolium F. W. Peirson 1920-9-13 2282 Los Angeles San Gabriel Mts., San Antonio Canyon. 2134 Comment
  RSA0073364  Epilobium ciliatum R. G. Swinney 2010-3-16 11959 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
  UCR210265  Epilobium ciliatum R. G. Swinney 2008-8-13 9376 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  UCR262321  Epilobium ciliatum Duncan S. Bell, Sarah Fisher, Carrie Kiel 2013-7-23 5432 Los Angeles San Gabriel Mountains, Sheep Mountain Wilderness, Vincent Gulch, near head of canyon 1994 Comment
  UCR277200  Epilobium ciliatum R. G. Swinney 2010-9-30 13935 Los Angeles San Gabriel Mountains, 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon 2341 Comment
  RSA448494  Epilobium ciliatum E. S. Spalding 1923-7-12 s.n. Los Angeles Los Angeles. Comment
  RSA0096794  Epilobium ciliatum subsp. ciliatum R. G. Swinney 2011-9-27 15697 Los Angeles San Gabriel Mountains: Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2354 Comment
  RSA72175  Epilobium ciliatum subsp. ciliatum F. W. Peirson 1951-08 s.n. Los Angeles Kewen Lake, Pasadena Comment
  SBBG60177  Epilobium ciliatum subsp. ciliatum R. Hoffmann 1927-6-12 Los Angeles Chandler's Comment
  UCR273220  Epilobium ciliatum subsp. ciliatum R. G. Swinney 2011-10-18 15818 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
  RSA0034303  Epilobium ciliatum subsp. glandulosum Orlando Mistretta 1990-7-2 s.n. Los Angeles Bear Flat 1746 Comment
  RSA247918  Epilobium ciliatum subsp. glandulosum Joseph A. Ewan 1936-7-22 9799 Los Angeles Big Pines Meadow, San Gabriel Mountains. 2073 Comment
  RSA381700  Epipactis gigantea George Henry Grinnell 1927-5-22 s.n. Los Angeles Topanga Canyon, Santa Monica Mts. Comment
  RSA615705  Epipactis gigantea Louis C. Wheeler 1968-7-3 s.n. Los Angeles San Gabriel Mountains: West of heliport. 1585 Comment
  UCR17318  Epipactis gigantea R. S. Woglum 1937-8-17 0834 Los Angeles San Gabriel Mtns., upper San Gabriel River Canyon, Soldier's Creek 1220 Comment
  CHSC95538  Equisetum hyemale subsp. affine LeRoy Gross; Wayne Law 2000-8-8 245 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
  CAS-BOT-BC57319  Equisetum laevigatum Le Roy Abrams 1901-4-8 1444 Los Angeles Los Angles River, near Tropico Comment
  UCR194167  Equisetum laevigatum R. G. Swinney 1998-7-29 6524 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
  OBI1027  Equisetum laevigatum L. L. Kiefer 1963-10-6 1034 Los Angeles San Gabriel Mtns., north slope, Little Rock Cyn., ca. 3 miles from mouth 1067 Comment
  RSA639359A  Equisetum laevigatum L. C. Wheeler 1932-8-2 1109 A Los Angeles N. Fork San Gabriel R., San Gabriel Mts. 1433 Comment
  CAS-BOT-BC57796  Equisetum telmateia Peter H. Raven 1959-10-25 14693 Los Angeles Arroyo Sequit 1.6 mi. n. of Coast Highway. 137 Comment
  SBBG13489  Equisetum telmateia subsp. braunii P. H. Raven 1962-5-22 17845 Los Angeles ca. 1 mi below Middle Ranch Comment
  POM6320  Equisetum telmateia var. braunii L. S, G. W 1919-5-10 2756 Los Angeles Near Bessett 89 Comment
  RSA651611  Eragrostis John T. Rollins 1948-5-26 s.n. Los Angeles Located at 130 1/2 S. Greenwood Ave. Montebello. 46 Comment
  UCR205636  Eragrostis A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36993 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
  UCR241698  Eragrostis Dan S. Cooper 2012-9-6 912- 77 Los Angeles Los Angeles Basin, Culver City area, Baldwin Hills, Kenneth Hahn Park 137 Comment
  UC868833  Eremocarpus setiger Geo. B. Grant 1906-8-23 Los Angeles Pasadena Comment
  RSA605817  Eremocarpus setiger L. C. Wheeler 1966-10-27 9098 Los Angeles San Gabriel Mountains: West Fork San Gabriel Canyon, just north of Rincon Ranger Station. Comment
  UCR190381  Eriastrum R. G. Swinney 2001-6-2 7964 Los Angeles San Gabriel Mtns./Mojave Desert, Juniper Hills area, plateau on east side of Cruthers Creek, 1.3 mi. south of Devils Punchbowl Rd. 1402 Comment
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May 3 2012
  RSA0082831  Eriastrum densifolium subsp. austromontanum R. G. Swinney 2011-7-21 15553 A Los Angeles Strawberry Peak summit. 1860 Comment
  RSA0104862  Eriastrum densifolium subsp. austromontanum T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3961 Los Angeles Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W., (West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10) 1390 Comment
  RSA679048  Eriastrum filifolium Valerie L. Soza, LeRoy Gross 2002-5-8 1456 Los Angeles Approximately 765 meters south of Deer summit ('3599'), along ridge between Dry Canyon and Haskell Canyon. Stables Fire 2001 area. 930 Comment
  UCR280873  Eriastrum sapphirinum R. G. Swinney 2014-5-1 16329 Los Angeles San Gabriel Mountains/Mojave Desert, NW of Valyermo, extreme west end of Holcomb Ridge, 400-500 meters NE of Valyermo Rd. and 250 m east of Big Rock Wash, 0.3 mile north of jct. of Pallett Creek Rd. and Valyermo Rd. 1110 Comment
  RSA0122861  Eriastrum sapphirinum subsp. brevibracteatum R. G. Swinney 1999-6-18 7280 Los Angeles San Gabriel Mtns.: Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1683 Comment
  RSA301962  Ericameria ericoides J. R. Shevock 1972-9-16 2280 Los Angeles Coastal bluffs, Point Dume 5 Comment
  LA32046  Ericameria ericoides Henry J. Thompson; 1958-10-23 1819 Los Angeles Santa Monica Mountains, Point Dume 30 Comment
  CAS-BOT-BC287624  Ericameria linearifolia Timothy S. Ross; Steve Boyd 1994-5-25 7923 Los Angeles Liebre Mts. Necktie Basin: Hanging basin ca 470-830 m W of Warm Springs Mtn summit. These collections from ca 600-800 m WSW of summit 1075 Comment
  POM359393  Ericameria linearifolia Florence Collins 1942-2-27 s.n. Los Angeles Griffith Park Planetarium. Comment
  RSA0091351  Ericameria linearifolia R. G. Swinney 2011-4-1 14316 Los Angeles WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  UC672315  Ericameria linearifolia H. L. Mason 1930-4-20 5596 Los Angeles hills in the Rock Creek region Mohave Desert, Rock Creek Comment
  CAS-BOT-BC299014  Ericameria nauseosa var. hololeuca H. M. Hall 1917-10-27 10585 Los Angeles 8 miles W of Lancaster Comment
  OBI56529  Ericameria nauseosa var. hololeuca Louis C. Wheeler 1967-11-18 s.n. Los Angeles San Gabriel Mts. Sycamore Flat Campground; Big Rock Crk 1311 Comment
  CAS-BOT-BC299516  Ericameria palmeri var. pachylepis LeRoy Abrams 1904-9-20 4201 Los Angeles Inglewood Comment
  POM290353  Ericameria palmeri var. pachylepis Lyman Benson 1933-11-12 5726 Los Angeles Westwood, Beverly Hills. 122 Comment
  RSA114149  Ericameria palmeri var. pachylepis Peter H. Raven 1957-11-14 11405 Los Angeles UCLA campus, W Los Angeles County Comment
  UC55083  Ericameria palmeri var. pachylepis Miss E. D. Palmer Los Angeles Los Angeles Comment
  RSA394729  Ericameria parishii var. parishii Keith C. Hughes 1960-10-3 220 Los Angeles San Antonio Canyon. Mt. Range San Gabriel. 762 Comment
  UC527677  Ericameria parishii var. parishii C. B. Wolf 1931-10-20 Los Angeles just below Padua Hills Theatre (above Claremont, w slope San Gabriel Mts.); San Gabriel Mts. 457 Comment
  LA103568  Ericameria pinifolia Barry A. Prigge; 1986-3-29 7161 Los Angeles San Gabriel Mountains, E of Red Rover Mine Road X Antelope Valley Freeway on Escondito Canyon Road 914 Comment
  RSA2000  Ericameria pinifolia C. B. Wolf 1931-5-13 1996 Los Angeles Pacoima Wash, near bridge on the road from Tujunga to San Fernando. 366 Comment
  SD50746  Ericameria pinifolia Darley F. Howe 1959-10-25 Los Angeles Mill Creek Summit, Angeles Crest Highway, San Gabriel Mountains 1498 Comment
  UC146999  Ericameria pinifolia C. F. Baker 1908-12-15 5235 Los Angeles Claremont Comment
  RSA0039052  Ericameria teretifolia R. G. Swinney 2009-11-16 11648 Los Angeles Big Rock Wash, 1.2 miles south of Pallett Creek Rd. & Valyermo Rd. junction, 50 m west of Valyermo Rd. 1079 Comment
  RSA755876  Erigeron foliosus R. G. Swinney 2008-7-16 9244 Los Angeles Will Thrall Peak, west of Burkhart Saddle. 2378 Comment
  UCR189956  Erigeron foliosus R. G. Swinney 1998-9-4 6890 Los Angeles San Gabriel Mtns., dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi. east of Hwy 2 on 3N06 2241 Comment
  CAS-BOT-BC296197  Erigeron foliosus var. foliosus F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  CAS-BOT-BC295961  Erigeron philadelphicus Munz; Street; Williams 1919-4-5 2469 Los Angeles San Dimas Comment
  RSA785822  Eriodictyon crassifolium K. Dobry 1991-4-4 415 Los Angeles San Gabriel Mts. at Upper Elsmere Cyn. Comment
  POM155610  Eriodictyon crassifolium var. nigrescens P. A. Munz 1927-1 41 Los Angeles Mt. Lowe. Comment
  RSA0108837  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-5-21 12885 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
  CAS-BOT-BC188960  Eriodictyon parryi Le Roy Abrams; E. A. McGregor 1908-6-19 386 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  SFV16681  Eriodictyon parryi P. Wilson, J. M. Albert 1996-6-12 3445 Los Angeles San Gabriel Mountains Off Highway 2 at mile marker 44.03, near Short Cut. 1524 Comment
  SFV8265  Eriodictyon parryi T. Gordon, K. Kimbrough, M. H. Grayum 1976-6-25 1622 Los Angeles San Gabriel Mountains Along Angeles Crest Highway, at head of Upper Big Tujunga Canyon, southeast of Charleton Flats. 1677 Comment
  RSA190886  Eriodictyon traskiae Robert F. Thorne 1967-5-19 36887 Los Angeles Santa Catalina Island; at head of Sweetwater Cyn. 457 Comment
  POM3889  Eriodictyon trichocalyx M. Hitchcock 1918-5-30 s.n. Los Angeles Indian Hill, Claremont Comment
  RSA774179  Eriodictyon trichocalyx R. G. Swinney 2009-7-22 11334 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  RSA455074  Eriodictyon trichocalyx var. trichocalyx L. E. Hoffman 1931-11-28 s.n. Los Angeles Holcomb Creek, branch of Big Rock Creek, Angeles National Forest. Comment
  RSA555356  Eriogonum angulosum D. Charlton 1991-5-21 5219 Los Angeles Ritter Ridge, city park site, south of 30 St west terminus. Narrow north facing canyon. 1037 Comment
  RSA5832  Eriogonum angulosum Carl B. Wolf 1932-10-21 4362 Los Angeles 0.5 mi. east of Palmdale. 808 Comment
  UCR231901  Eriogonum angulosum Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-18 8016 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, c. 100 m east of Sierra Highway, 190 m west of 10th St, 535 m north of Ave C and one km south of Ave B 704 Comment
  UCR127658  Eriogonum brachyanthum A. C. Sanders, Mark Elvin 2003-8-7 27171 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  LA94741  Eriogonum cinereum Norman A. Cole; May 1964 324 .4 Los Angeles Santa Monica Mountains, 9.7 mi from Pacific Coast Hwy along Piuma Rd 365 Comment
  RSA600142  Eriogonum cithariforme var. agninum Steve Boyd, Lauren Raz 1997-5-29 9923 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail, at point where trail crosses side drainage originating on ridge forming divide with Gookins Dry Lake. 1098 Comment
  RSA782019  Eriogonum cithariforme var. agninum Elizabeth A. Kempton, Steve Boyd, Valentin Arvizu 2006-6-17 401 Los Angeles Liebre Mountains. Road 7N23 1484 Comment
  CAS-BOT-BC242757  Eriogonum davidsonii Joseph Andorfer Ewan 1936-8-9 10028 Los Angeles 1/4 mi. n. of Bald Flat, Blue Ridge, San Gabriel Mts. 2529 Comment
  RSA585411  Eriogonum davidsonii Tim S. Ross, S. D. Boyd 1990-5-29 2692 Los Angeles SE edge of Valyermo: along NE side of Valyermo Rd, then S of the road 1137 Comment
  CAS-BOT-BC242755  Eriogonum davidsonii Joseph Andorfer Ewan 1933-7-4 7871 Los Angeles Near summit Monrovia Peak, San Gabriel Mts. 1524 Comment
  UCR276751  Eriogonum elongatum R. G. Swinney 2010-8-11 13490 Los Angeles San Gabriel Mountains, San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road 595 Comment
  CAS-BOT-BC253189  Eriogonum fasciculatum A. C. Sanders; Helen Kennedy 2005-4-13 29453 Los Angeles Santa Clarita area, lower Mint CAnyon at teh community of Mint Canyon, Mint Canyon 7.5' Q, Western San Gabriel/Liebre Mtns. Region 487 Comment
  RSA393513  Eriogonum fasciculatum Richard C. Barkelew 1932-4-22 s.n. Los Angeles Nichols Canon. Comment
  UC535622  Eriogonum fasciculatum Ira W. Clokey June 1929 4578 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon 250 Comment
  LA82476  Eriogonum fasciculatum var. foliolosum O. H. Kappler; 1940-6-9 45 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  POM2246  Eriogonum fasciculatum var. foliolosum M. Hitchcock 1918-7-28 20 Los Angeles Pacoima Canyon. Comment
  RSA0062690  Eriogonum fasciculatum var. foliolosum R. G. Swinney 2010-8-16 13558 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA393412  Eriogonum fasciculatum var. foliolosum Anstruther Davidson 1889-07 s.n. Los Angeles Foothills. Los Angeles. Comment
  UCD100005  Eriogonum fasciculatum var. foliolosum Geoffrey Levin 1974-4-27 38 Los Angeles San Antonio Canyon below San Antonio Canyon Dam. San Gabriel Mountains. 579 Comment
  UCR125236  Eriogonum fasciculatum var. foliolosum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25506 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, dry side canyon near its mouth on north side of road, NE of bench mark 1205 396 Comment
  UCR142543  Eriogonum fasciculatum var. foliolosum Michelle Manolovitz, Brian Willie 1992-4-27 001 Los Angeles Transverse Ranges; San Gabriel Mountains region, San Gabriel Valley, Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 200 feet northwest of park office. 160 Comment
  RSA580320  Eriogonum fasciculatum var. polifolium Tim S. Ross, S. D. Boyd 1994-5-25 7937 Los Angeles Necktie Basin: hanging basin ca 470-830 meters W of Warm Springs Mountain summit. These collections from ca. 600-800 meters WSW of summit. 1061 Comment
  RSA596226  Eriogonum fasciculatum var. polifolium Tim S. Ross, S. D. Boyd, Peter Fritsch 1990-6-11 3395 Los Angeles San Gabriel Mountains, Little Rock Creek: on SW side of Little Rock Creek reservoir 997 Comment
  SD129226  Eriogonum giganteum Andy C. Sanders 1988-5-18 7850 Los Angeles El Segundo Dunes, immediately W of L.A. Int. Airport and E of Vista Del Mar Blvd. Comment
  RSA393368  Eriogonum giganteum var. giganteum T. Gertrude Williamson 1924-08 s.n. Los Angeles Santa Catalina Island. Comment
  CAS-BOT-BC253470  Eriogonum gracile LeRoy Abrams 1900-8-1 1041 Los Angeles Ballona Harbor Comment
  UC6439  Eriogonum gracile Wm. H. Brewer December 1, 1860-Dec 5, 1860 20 Los Angeles sandy plain s town; Los Angeles Comment
  UC1735813  Eriogonum gracile var. gracile Dean W. Taylor 1989-12-9 10597 Los Angeles Castaic Creek, S of Castaic, 0.3 miles S of Tapia Canyon Road, 426 Comment
  SD92012  Eriogonum grande var. grande Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-22 22670 Los Angeles on cliff above sea, east side 1 mile south of Wilson's Cove, San Clemente Island 35 Comment
  UCR238997  Eriogonum hirtiflorum Anuja Parikh, Nathan Gale 2010-6-18 3324 Los Angeles Transverse Range; San Gabriel Mountains, Upper Big Tujunga Canyon, 1.0 km north of State Hwy 2, Angeles Crest Hwy, 0.1 km west of Upper Big Tujunga Canyon Road, under powerlines 1283 Comment
  RSA0065489  Eriogonum kennedyi Marion P. Harthill 1971-9-25 595 Los Angeles Mt. Baden Powell, Angeles National Forest 2834 Comment
  UCR147271  Eriogonum microthecum var. johnstonii Orlando Mistretta 1991-7-30 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Mt. Baldy, West Baldy Ridge Comment
  CAS-BOT-BC269766  Eriogonum nudum var. pauciflorum Dr. H. E. Hasse 1893-8-1 s.n. Los Angeles Acton Comment
  RSA596989  Eriogonum nudum var. pauciflorum Steve Boyd, Lauren Raz 1996-9-24 8963 Los Angeles Liebre Mountains, western end of Liebre Mountain just north of Forest Service Road 7N23 on broadly rounded summit area at divide between Cold Canyon and Tentrock Canyon. 1616 Comment
  SBBG64156  Eriogonum nudum var. pauciflorum J. Ewan 1929-7-10 Los Angeles Barley Flats 1716 Comment
  RSA596433  Eriogonum ordii Steve Boyd, Mark A. Elvin, Victoria Jotikasthira 1996-6-25 8873 Los Angeles Liebre Mountains, West Fork Liebre Gulch in narrow side canyon to the east. 1012 Comment
  RSA393062  Eriogonum parvifolium var. parvifolium F. R. Fosberg 1931-8-30 S 5618 Los Angeles El Segundo 15 Comment
  RSA0098827  Eriogonum saxatile R. G. Swinney 2011-6-14 15136 Los Angeles San Gabriel Mountains: Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  RSA424901A  Eriogonum saxatile Anstruther Davidson s.n. Los Angeles Top Mt. San Antonio [Los Angeles - San Bernardino counties]. Comment
  UCR223647  Eriogonum saxatile R. G. Swinney 2009-6-24 11263 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
  RSA586994  Eriogonum saxatile Orlando Mistretta 1992-5-8 302 Los Angeles San Gabriel Mountains: Little Rock Creek, slopes E of Little Rock Creek Reservoir. 1159 Comment
  JEPS97066  Eriogonum thurberi unknown 1928-7-9 Los Angeles 3 mi W of Castaic Comment
  RSA783171  Eriogonum thurberi Elizabeth A. Kempton, Steve Boyd, Valentin Arvizu 2006-6-17 396 Los Angeles Along 7N22 Knapp Ranch Road, head of Salt Creek upper watershed 1125 Comment
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Jul 28 2014
  SBBG65485  Eriogonum trichopes R. Hoffmann 1927-8-31 Los Angeles Acton to Palmdale Comment
  UCR190106  Eriogonum umbellatum R. G. Swinney 1998-8-27 6810 Los Angeles San Gabriel Mtns., gentle slope between Big Horn Ridge and ridge immediately north 2646 Comment
  RSA420637  Eriogonum umbellatum var. minus Albert J. Perkins 1915-7-26 s.n. Los Angeles Summit of Mt. San Antonio. 3049 Comment
  RSA730182  Eriogonum wrightii var. subscaposum R. G. Swinney 1998-9-4 6893 Los Angeles San Gabriel Mtns.; dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi east of Hwy 2 on 3N06. 2241 Comment
  POM357934  Eriophyllum confertiflorum Norman C. Cooper 1945-5-1 2210 Los Angeles Tapia Park area, Santa Monica Mountains. 305 Comment
  SEINET7838287  Eriophyllum confertiflorum Steve Boyd, Maurice, Amber 2004-5-18 11316 Los Angeles Transverse Ranges. Liebre Mountains. On road leading down towards Atmore Meadows. Main road on crest of Liebre Mountain at crossing of spring outflow. Comment
  SFV6500  Eriophyllum confertiflorum T. Gordon, M. H. Grayum, P. McDonald 1974-6-4 s. n. Los Angeles Santa Susana Mountains Above cattle reservoir on Orcutt Ranch, north side of Oat Mountain Station. 1021 Comment
  UCD150975  Eriophyllum confertiflorum D. S. Park 2010-4-29 61 Los Angeles Wildwood Canyon, roadside near first canyon entrance trailhead. Growing on hillside 45 degree gradient. 388 Comment
  UCR124433  Eriophyllum confertiflorum I. W. Clokey, B. C. Templeton 1929-1 4477 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  UCR258782  Eriophyllum confertiflorum R. G. Swinney 2010-5-25 12971 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
  JEPS34717  Eriophyllum confertiflorum var. confertiflorum F. W. Peirson 1918-6-28 239 Los Angeles foot-hills e Rubio Canyon; San Gabriel Mts. 609 Comment
  LA94442  Eriophyllum confertiflorum var. confertiflorum Norman A. Cole; May 1964 319 -b Los Angeles Santa Monica Mountains, 9.7 mi from 101 Alt, Pacific Coast Hwy along Puima Rd, Site No. 4 365 Comment
  RSA0091747  Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-5-26 14860 Los Angeles 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1061 Comment
  RSA628576  Eriophyllum confertiflorum var. confertiflorum L. C. Wheeler 1967-7-15 10067 Los Angeles San Gabriel Mountains: Angeles National Forest: SW side Mt. Waterman. 2134 Comment
  RSA151258  Eriophyllum nevinii Peter H. Raven 1962-7-12 18024 Los Angeles Near point at east end of Northwest harbor, San Clemente Island. 30 Comment
  RSA506810  Eriophyllum pringlei L. C. Wheeler 1967-5-12 9440 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  SBBG61089  Eriophyllum pringlei J. R. and R. C. Robbins 1930-3-29 Los Angeles Antelope Valley Comment
  UCR107036  Erodium brachycarpum R. G. Swinney 1969-4-22 s.n. Los Angeles San Gabriel Valley, N and adjacent to Barnes Park along Rivergrade Rd., Baldwin Park. c. 200 yards east of San Gabriel River Channel. 91 Comment
  CHSC98048  Erodium cicutarium LeRoy Gross; Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 691 Los Angeles Transverse Ranges: Verdugo Mountains Region: South side, along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway .Area burned in Summer-Fall of 2002. 783 Comment
  UCR280524  Erodium cicutarium R. G. Swinney 2014-4-10 16055 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
  RSA0048584  Erodium cicutarium P. R. Brown 1970-4-27 31 Los Angeles Woodland Hills Nature Center, Canon de Lana. Comment
  RSA391816  Erodium cicutarium A. H. Musick 1944-5-16 20145 Los Angeles Los Angeles. Comment
  SBBG106910  Erodium moschatum M. L. Hoefs, R. F. Thorne 1996-4-6 2601 Los Angeles Pebbly Beach 6 Comment
  RSA534074  Erodium moschatum Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5255 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 )) Beginning of drainage. 386 Comment
  RSA0094562  Erysimum capitatum Richard G. Swinney 2011-6-6 15012 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  JEPS53579  Erysimum capitatum var. capitatum Frank W. Peirson 1919-3-27 337 Los Angeles Arroyo Seco Canyon San Gabriel Mountains 411 Comment
  RSA530230  Erysimum suffrutescens N. C. Cooper 1944-01 774 Los Angeles El Segundo Comment
  SD220083  Erythranthe guttata R. G. Swinney 2008-5-13 8861 Los Angeles San Gabriel Mountains; Devil's Punchbowl County Park, Holcomb Canyon at junction with South Fork Trail. 1390 Comment
  CHSC26327  Erythranthe palmeri Wesley O. Griesel 1966-4-23 Los Angeles State Hwy. #2, Newcombs Ranch, San Gabriel Mts. 1828 Comment
  UC187405  Eschscholzia Katharine Brandegee May 17 1916-May 25 1916 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC402730  Eschscholzia caespitosa Carl Epling 1931-4-18 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon Comment
  CAS-BOT-BC403179  Eschscholzia californica Geo. B. Grant 1904-5-14 6206 Los Angeles Playa del Rey Comment
  POM18760  Eschscholzia minutiflora P. A. Munz 1923-5-25 6802 Los Angeles Big Rock Creek, San Gabriel Mts. 1280 Comment
  RSA771897  Eschscholzia minutiflora R. G. Swinney 2009-4-29 10621 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  UCR222854  Eschscholzia minutiflora R. G. Swinney 2009-5-12 10728 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge 1463 Comment
  RSA0010836  Eucalyptus camaldulensis R. G. Swinney 2008-12-2 9903 Los Angeles mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east. 165 Comment
  SBBG31474  Eucrypta chrysanthemifolia R. F. Thorne 1966-4-5 35840 Los Angeles above stream in Cottonwood Cyn 106 Comment
  JEPS112934  Eulobus californicus Dean W. Taylor 2002-4-30 18024 Los Angeles upper headwaters Haskell Canyon, Del Sur Ridge, Angeles National Forest 1219 Comment
  UCR125152  Euphorbia albomarginata A. C. Sanders, Mark Elvin 2002-6-18 25130 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
  UCR152902  Euphorbia albomarginata A. C. Sanders, Helen Kennedy 2005-4-13 29436 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA140023  Euphorbia dendroides Jim Morre 1961-01 s.n Los Angeles On Arroyo Seco Freeway between Pasadena and L.A. Comment
  UCR99438  Euphorbia lathyris L. C. Wheeler 1951-5-27 6802 Los Angeles Potrero Chico. c. 0.5 mi. north of San Gabriel Blvd. on Rosemead Blvd. 61 Comment
  RSA00036762  Euphorbia melanadenia Michelle Cleveland 1981-2-23 20 Los Angeles Puente Hills in Diamond Bar. Pomona Frwy.60, right on Grand, Right on Diamond Bar Blvd, 100 yds. down blvd. on North side to empty lot. 236 Comment
  RSA624548  Euphorbia peplus L. C. Wheeler 1945-4-8 6000 Los Angeles Home of the famous Wisteria vine, Sierra Madre. Comment
  SD252244  Festuca bromoides Steven A. Junak 1999-4-23 Sca 851 Los Angeles Santa Catalina Island. Plant stop. 347 Comment
  IRVC26369  Festuca microstachys A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26053 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
  UCR187253  Festuca microstachys A. C. Sanders 2006-4-21 32131 Los Angeles Tehachapi Mtns. Foothills, hills c. 1.25 miles ENE of Quail Lake, east of the Cement Plant Rd. and Calif. Aqueduct, north of Hwy 138 1006 Comment
  CATA1574  Festuca myuros Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2843 Los Angeles Santa Catalina Island: By upper end of road to Toyon Beach 411 Comment
  UCR256168  Festuca myuros R. G. Swinney 2010-3-22 12001 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
  UCR165063  Festuca octoflora A. C. Sanders, Helen Kennedy 2005-4-13 29462 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  SEINET10621141  Ficus carica Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2601 Los Angeles City of Pasadena. Trader Joe's, 610 S. Arroyo Pkwy. Comment
  RSA0106887  Filago arizonica Steven A. Junak, Mark Hoefs, Keri Kirkland, Lisa Stratton 1998-5-2 SCa- 636 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. 289 Comment
  LA51382  Filago californica Henry J. Thompson; 1959-5-24 2018 Los Angeles Santa Monica Mountains, Saddle Peak, 0.6 mi ENE of peak 701 Comment
  UCR258863  Filago californica R. G. Swinney 2010-3-16 11937 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  RSA0091880  Filago gallica Steven A. Junak, Ralph N. Philbrick 2001-5-18 SCa- 1535 Los Angeles Santa Catalina Island. Cottonwood Canyon, just S of Cottonwood-Blackjack Road, ca. 2.6 miles inland from mouth of canyon. 256 Comment
  SJSU2246  Foeniculum vulgare C. W. Sharsmith 1942-9-9 4514 A Los Angeles Beverly Hills Comment
  UCR274342  Foeniculum vulgare Steven A. Junak 1999-9-9 SCa- 1076 Los Angeles California Islands, Santa Catalina Island. Top of Black Jack Peak, at microwave installation 610 Comment
  UCR190923  Forestiera pubescens R. G. Swinney 1999-6-28 7450 Los Angeles San Gabriel Mtns./Mojave Desert, Graham Canyon, south of Mescal Highlands Rd. 1494 Comment
  POM158276  Frankenia grandifolia M. B. Dunkle 1928-5-12 1923 Los Angeles Santa Catalina Island: Empire Landing 61 Comment
  POM209908  Frasera neglecta Victor Duran 1933-7-8 3501 Los Angeles San Gabriel Mountains, Horse Flats. 1677 Comment
  CAS-BOT-BC223421  Fraxinus dipetala Henry J. Thompson 1959-3-31 1909 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Lobo Canyon, about 2 miles west of Cornell 274 Comment
  LA200679  Fraxinus dipetala W. O. Griesel; 1938-2-26 sn Los Angeles SANTA MONICA MOUNTAINS, La Sierra Canyon Comment
  UCR204894  Fraxinus dipetala R. G. Swinney 2008-4-1 8599 Los Angeles San Gabriel Mtns., ridge north of and adjacent to Sharps Canyon, c. 2 miles due N of Glendora 671 Comment
  HSC101600  Fraxinus uhdei Steve Boyd, Rick Riefner 2007-4-27 11741 Los Angeles Coastal Plains & Basins; Los Angeles Basin region; City of Carson, northwestern end shore of Harbor Park Lake (formerly known as Bixby Slough), between Pacific Coast Highway and Vermont Avenue 43 Comment
  IRVC29652  Fraxinus velutina A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26231 Los Angeles Castaic, south side of Lake Hughes Rd. near Ridge Route, west of Castaic Creek, Newhall Ranch property Western San Gabriel Mtns. 351 Comment
  SBBG17155  Fritillaria pinetorum M. Vincent 1962-5-7 238 Los Angeles Big Pine Camp area, on Santa Monica Girl Scout Camp Comment
  LA211193  Funastrum cynanchoides var. hartwegii Arthur C. Gibson; 2008-7-21 5337 Los Angeles HOLLYWOOD HILLS, Upper Runyon Canyon. 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
  RSA87347  Galium andrewsii subsp. intermedium F. W. Peirson 1919-5-10 399 Los Angeles Arraster [Arrastre] Creek. 976 Comment
  CAS-BOT-BC223023  Galium angustifolium A. C. Sanders; T. B. Salvato 2009-5-29 37035 Los Angeles San Gabriel Valley: Irwindale at NW edge of Baldwin Park, under SCE power lines NW of San Gabriel River and SE of 605 Fwy, S of Live Oak Ave. 114 Comment
  JEPS7855  Galium angustifolium subsp. angustifolium C. E. Hutchinson 1892-7-20 Los Angeles Old Mt. Wilson Trail 914 Comment
  LA50691  Galium angustifolium subsp. angustifolium Carl Epling; 1929-4-27 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  POM367680  Galium angustifolium subsp. angustifolium Alva Watry 1931-5-17 s.n. Los Angeles Mint Canyon. Comment
  RSA336401  Galium angustifolium subsp. angustifolium Robert F. Thorne, Dick Tilforth 1978-6-21 52329 Los Angeles San Gabriel Mountains: N of Bob's Gap Comment
  SD69537  Galium angustifolium subsp. angustifolium Robert F. Thorne, P. Everett 1965-6-22 34918 Los Angeles Santa Catalina Island: S of Avalon golf course in open, flat sandy bottom of Avalon Canyon 91 Comment
  UC1584899  Galium angustifolium subsp. angustifolium Tim Ross and Steve Boyd 1991-7-24 5608 Los Angeles ridge nne G.M.; Pacifico Mountain USGS 7.5' Quad, Granite Mountain vicinity 1892 Comment
  RSA584136  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-8 2981 a Los Angeles San Gabriel Mountains, Upper Tujunga Canyon: ridge descending NE from Barley Flats Road toward Big Tujunga Creek (ca. 0.9-1.4 air-miles E of Barley Flats) 1280 Comment
  RSA592014  Galium angustifolium subsp. foliosum Mark Hoefs, D. Propst 1973-4-6 142 Los Angeles Middle of Cape Canyon, Santa Catalina Island. 305 Comment
  RSA653832  Galium aparine Valerie L. Soza, Shalini Deo, Stephen Dreher 2000-4-27 800 Los Angeles Verdugo Mountains, south side: Wildwood Canyon, Wildwood Canyon Park, at end of paved Wildwood Canyon Road at junction with fire road. 488 Comment
  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
  UCR205053  Galium aparine R. G. Swinney 2008-3-31 8587 Los Angeles San Gabriel Mtns., Glendora Mountain summit 1013 Comment
  RSA0045483  Galium aparine Paul M. Inman 1983-5-15 51583 -7 Los Angeles United States, California, Los Angeles County. Big Santa Anita Canyon in the Angeles National Forest, San Gabriel Mountains, about 1 mile north of Arcadia, from bank of Winter Creek trail, at the first weir above Hoegee's Camp. 792.48 Comment
  UC284790  Galium aparine P. A. Munz 1923-4-9 6642 Los Angeles n-facing slope on e coast San Clemente Island Comment
  RSA678489  Galium catalinense subsp. acrispum Mark A. Elvin, Dylan Hannon, Gery Allan, Curtis Clark, Steve Burckhalter 1996-4-20 158 Los Angeles San Clemente Island. Second canyon S of Bryce Canyon, on loamy banks along cyn floor. Comment
  RSA249726  Galium catalinense subsp. catalinense Robert F. Thorne, Doug Propst 1973-2-12 42480 Los Angeles Santa Catalina Island. Ironwood Gully on slopes of hill E of Isthmus above Banning House. 183 Comment
  SD85152  Galium catalinense subsp. catalinense E. R. Blakley 1962-10-4 5397 Los Angeles canyon bottom, Ironwood Gully, south of Catalina Harbor at Isthmus 167 Comment
  RSA678129  Galium grande Valerie L. Soza, Monica Acosta 2001-6-20 1298 Los Angeles North of Mt. Bliss, along Van Tassel Truck Trail (FS Road 1N36), 0.15 mile north of junction with Van Tassel Ridge Road (FS Road 1N36A). 1067 Comment
  UC2029967  Galium grande V. Soza, Samantha Tessel 2001-6-18 1294 Los Angeles Transverse Ranges, San Gabriel Mountains region: Firebreak above Upper Winter Creek Trail, ca. 2 miles northwest of Chantry Flat along FS Road 2N41.2, north of San Olene Canyon. Comment
  CAS-BOT-BC494157  Galium hallii Valerie Soza 2004-6-17 1724 a Los Angeles San Gabriel Mountains, along Hwy 2 at Vincent Gap trailhead to Mt. Baden-Powell 2026 Comment
  RSA547465  Galium johnstonii Tim S. Ross, Orlando Mistretta 1992-7-24 6745 Los Angeles Vicinity of Strawberry Spring, 76 deg. ENE, 900 m distant from Strawberry Peak summit 1460 Comment
  CATA660  Galium nuttallii subsp. insulare Mark L. Hoefs 1991-4-23 1149 Los Angeles Santa Catalina Island: Around upper White's Landing Road 451 Comment
  LA33612  Galium nuttallii subsp. nuttallii Peter H. Raven; 1959-4-4 13951 Los Angeles 15 Comment
  UCSB9142  Galium nuttallii subsp. nuttallii Albright, S. 1957-5-7 Los Angeles UCLA Campus, Faculty Hill 91 Comment
  SBBG131532  Galium parisiense S. A. Junak 1999-7-17 SCa 1073 Los Angeles Middle Ranch, Janet Takara's house 213 Comment
  UC1595496  Galium porrigens var. porrigens Tim Ross and Peter Fritsch 1990-6-20 3663 Los Angeles Rincon-Red Box Rd (2N24) ridgetop between W Fk San Gabriel River and Roberts Canyon; San Gabriel Mountains 1328 Comment
  SBBG107223  Gambelia speciosa J. Rebman, J. Dunn 1996-4-29 3116 Los Angeles between Eel Cove and Eel Cove Cyn 25 Comment
  SFV16898  Gamochaeta ustulata J. N. Hogue 1997-6-25 s. n. Los Angeles Los Angeles, Eagle Rock. 152 Comment
  RSA573700  Garrya flavescens Tim S. Ross 1990-8-17 3156 Los Angeles Icy springs in upper Big Rock Creek 1752 Comment
  UCR223589  Garrya flavescens R. G. Swinney 2009-6-17 11218 Los Angeles Transverse Range; San Gabriel Mtns., Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  RSA392392  Garrya flavescens subsp. pallida Unspecified 1906-06 s.n. Los Angeles Big Rock Creek Comment
  POM3304  Garrya veatchii I. M. Johnston 1918-5-19 1984 Los Angeles San Antonio Canyon. 1067 Comment
  RSA585535  Garrya veatchii Tim S. Ross 1992-4-21 6217 a Los Angeles Glendora Ridge Road: on the divide between San Dimas Canyon and Cattle Canyon, draining northwestward toward Peacock Canyon. 1121 Comment
  RSA785287  Gaultheria procumbens Doris Bowers 1954-08 809 Los Angeles Arroyo Seca, Pasadena 305 Comment
  RSA188913  Gaura sinuata Robert F. Thorne 1966-6-1 36478 Los Angeles Santa Catalina Island. near riding stables, Avalon. 30 Comment
  UCR210162  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
  RSA639716  Gayophytum decipiens Louis C. Wheeler 1968-6-14 s.n. Los Angeles San Gabriel Mountains: Spring on north side of Blue Ridge by Guffy camp. Comment
  UCR238618  Gayophytum heterozygum Anuja Parikh, Nathan Gale 2010-6-21 3154 Los Angeles Transverse Range; San Gabriel Mountains, upper Shortcut Canyon, 0.4 km S of State Highway 2 (Angeles Crest Hwy), 1.0 km SE of intersection with Upper Big Tujunga Canyon Rd. 1395 Comment
  RSA0073296  Gayophytum nuttallii Bonnie C. Templeton 1932-6-1 4872 Los Angeles Jackson Lake, Big Pines Park, San Gabriel Mts. Comment
  RSA717788  Gayophytum oligospermum R. G. Swinney, Dave Larson 1996-7-17 5124 Los Angeles San Dimas Experimental Forest, east half (grass portion) of Browns Flst 1317 Comment
  RSA733563  Gayophytum oligospermum R. G. Swinney 1998-8-13 6748 Los Angeles San Gabriel Mtns.:Summit of Iron Mountain. 2427 Comment
Read comments
Jul 21 2010
  UC1584734  Gazania linearis Tim Ross and Annette Ross 1991-6-3 5510 Los Angeles near the s base of Elephant Hill (west Pomona); , Pomona 249 Comment
  CATA2024  Genista linifolia Steven A. Junak, Keri Kirkland 1998-4-5 551 Los Angeles Santa Catalina Island: Toyon Bay, just inland from mouth of canyon 18 Comment
  CATA67  Genista linifolia Peter Henrikson 1987-4-13 51 Los Angeles Santa Catalina Island: Avalon Canyon 106 Comment
  SBBG112826  Genista linifolia S. A. Junak with K. Kirkland 1998-7-17 SCa 785 Los Angeles lower portion of Silver Cyn, just downstream from lowest fork, ca. 0.3 mi inland from beach 24 Comment
  SBBG31398  Genista linifolia R. F. Thorne 1966-4-28 36240 Los Angeles Wrigley Drive near Avalon 91 Comment
  UCR220354  Geranium incanum R. G. Swinney 2009-4-13 10326 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte 184 Comment
  UCR157721  Gilia Ed LaRue, R. Montijo 1991-4-2 91- 09 Los Angeles Western Mojave Desert, Palmdale: property bounded on north by Avenue 'M' on the west by 20th St. West, on the south by Ave. 'N', and on the east by 10th St. West 793 Comment
  SEINET12278752  Gilia achilleifolia Unknown 1933-1 8507 Los Angeles Hollywood Hills Comment
  UC908833  Gilia aliquanta Margaret Stason 1927-5-14 Los Angeles Pinon Ridge San Gabriel Mts., Pinon Ridge Comment
  RSA469713  Gilia aliquanta subsp. breviloba Anstruther Davidson 1906-6-1 s.n. Los Angeles Big Rock Creek, Lowell Mine. Comment
  RSA470110  Gilia angelensis Geo L. Moxley 1917-2-4 524 Los Angeles Van Nuys. Comment
  UC1584925  Gilia angelensis Tim Ross 1991-4-8 4454 Los Angeles Elephant Hill San Dimas USGS 7.5' quadrangle, western Pomona 228 Comment
  UC880096  Gilia angelensis F. R. Fosberg 1931-3-25 S 4365 Los Angeles Hamilton Canyon Santa Catalina Island, Hamilton Canyon 120 Comment
  UCR125394  Gilia angelensis A. C. Sanders, Mark Elvin 2003-3-5 25743 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Exon Mesa,' due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River 335 Comment
  RSA67074  Gilia angelensis Alva Grant, Verne Grant 1951-3-23 15974 Los Angeles North of Claremont at base of San Gabriel Mountains. 549 Comment
  RSA0095179  Gilia brecciarum subsp. brecciarum T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4972 Los Angeles Soledad Canyon Wash: about half mile E of Acton. 829 Comment
  RSA252985  Gilia brecciarum subsp. brecciarum R. F. Thorne 1973-4-20 43053 Los Angeles San Gabriel Mts., Mojave Desert slopes: 3.2 miles S of Hwy 138 along Grandview Canyon Rd. 1280 Comment
  LA202768  Gilia capitata subsp. abrotanifolia J. Warren; 1952-5-8 sn Los Angeles University of California, Los Angeles, near Hershey Hall 121 Comment
  RSA470203  Gilia capitata subsp. abrotanifolia Ruth Herley s.n. Los Angeles Near Dekker Ranch in recently burned area. Comment
  RSA470248  Gilia capitata subsp. abrotanifolia Christopher Davidson 1973-3-26 1737 Los Angeles Escondido Canyon Rd, ca. 1 mi NE of jct with Agua Dulce Rd. 762 Comment
  UCR119742  Gilia latiflora B. G. Pitzer 1998-5-12 3677 Los Angeles Western Mojave Desert, c. 18 mi. north of Adelanto, on 240th Street East, c. 2.8 mi north of intersection with El Mirage Road (= Avenue 'P'), and 3.2 mi. south of Avenue 'J 953 Comment
  RSA469370  Gilia latiflora subsp. latiflora Robert Gustafson, Christopher Davidson 1977-4-20 422 Los Angeles Fort Tejon Road, south of Littlerock, about 1.5 miles east of the junction with 82nd St. 976 Comment
  SEINET3163603  Gilia multicaulis L. Abrams 1903-4-10 3245 Los Angeles near Inglewood Comment
  UCR177754  Gilia ochroleuca subsp. bizonata LeRoy Gross 2005-4-28 2173 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
  UCR281978  Gilia stellata R. G. Swinney 2014-4-24 16204 Los Angeles San Gabriel Mountains, NE of Valyermo, wash and plateau at north end of Bob's Gap, 3.1-3.6 miles south of Hwy. 138, c. 0.2 miles east of Bob's Gap Rd., east of Bob's Gap Wash 1293 Comment
  SEINET12278812  Gilia tricolor J. F. Bright, Wyman, C. 1933-1 8348 Los Angeles Antelope Valley Comment
  POM97143  Githopsis diffusa subsp. diffusa P. A. Munz 1925-4-23 9436 Los Angeles San Gabriel Canyon. 488 Comment
  POM358697  Glyptopleura setulosa Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  UCR125255  Gnaphalium californicum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25504 Los Angeles NE end of Santa Susana Mtns., canyon draining into Santa Clara River Valley from the south off 'Round Mtn.' (peak 1476), north of Potrero Canyon 305 Comment
  RSA662672  Gnaphalium canescens Paul Neipp 1994-5-5 24 Los Angeles directly west of San Dimas Ranger Station on San Dimas Canyon Rd. Comment
  UCR240247  Gnaphalium canescens Dan S. Cooper 2012-3-21 312- 18 Los Angeles South Coast, Santa Monica, Ashland Ave. near Lincoln Blvd. 20 Comment
  RSA199168  Gnaphalium chilense R. F. Thorne 1968-5-28 37665 Los Angeles Santa Catalina Island, Middle Bulrush Canyon. 244 Comment
  POM12333  Gnaphalium chilense F. L. Robinson 1921-5-9 70 Los Angeles Claremont. Comment
  RSA597982  Gnaphalium microcephalum L. Raz 1997-3-16 66 Los Angeles Santa Catalina Island. Avalon Canyon via 'Divide Trail', northeast of the Wrigley Botanical Garden. 183 Comment
  RSA0012267  Gnaphalium palustre Orlando Mistretta, Youssef Atallah 2011-8-12 6027 Los Angeles Aliso Cyn, 1.8 miles West of Jct. of Aliso Cyn Road and Angeles Forest Hwy. 1083 Comment
  UCR163185  Gnaphalium palustre Kathleen Stockwell 2003-6-11 s.n. Los Angeles San Gabriel Mtns, Palmer Canyon, Claremont, North Padua Ave, road to water tank at edge of bulldozed area, NNE of Padua Hills Theater 610 Comment
  RSA584319  Grayia spinosa T. S. Ross, Steve Boyd 1991-3-23 4259 Los Angeles Lovejoy Buttes, on the Mojave Desert: NE portion of the main buttes, west of Lovejoy Springs (destroyed by development 926 Comment
  SEINET3164145  Grevillea thelemanniana G. B. Grant 1904-12-23 529 -A Los Angeles Pasadena, southern California Comment
  RSA647875  Guillenia lasiophylla LeRoy Gross, Laura Moore, Debby Zygielbaum, Ron Burchet 2000-6-8 238 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 548 Comment
  RSA762251  Guillenia lasiophylla Orlando Mistretta, Christine Mistretta 2008-5-19 3112 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 103 per TRTP Survey 2008), Upper Fish Canyon, E of Monrovia Pk. 976 Comment
  RSA248691  Guillenia lasiophylla Christopher Davidson 1973-3-26 1738 Los Angeles Escondido Canyon Rd, ca. 1 mi NE of jct with Agua Dulce Rd. 762 Comment
  RSA586976  Guillenia lasiophylla Orlando Mistretta 1992-5-8 321 Los Angeles Little Rock Creek, slopes E. of Little Rock Creek Reservoir 1159 Comment
  POM359184  Gutierrezia californica Anstruther Davidson 1891-1 s.n. Los Angeles E. Los Angeles. Comment
  UCD132599  Gutierrezia microcephala David Charlton 1990-8-30 3930 Los Angeles west Mojave Desert: Palmdale, corner of Ave R and 30th St. East, around 1 mile south of Highway 138. 807 Comment
  UCR103761  Gutierrezia microcephala David Charlton, Robb Fishman 1990-8-30 3930 Los Angeles Western Mojave Desert, Palmdale, corner of Ave 'R' and 30th Street East, c. 1 mile south of Hwy 138 808 Comment
  SBBG62682  Gutierrezia sarothrae R. Hoffmann 1928-7-9 Los Angeles lower Bouquet Cyn Comment
  UCR186926  Haplopappus acradenius A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32040 Los Angeles Tehachapi Mtns. Foothills, west end of Antelope Valley, north of Hwy 138 near mouth of Tentrock Canyon, c. 1 mile NW of La Liebre Ranch (High Desert Hunt Club) buildings 945 Comment
  RSA598819  Haplopappus parishii R. G. Swinney 1988-9-5 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. Big Dalton Canyon Road 1.4 mi. NE of Glendora Mountain Road. 457 Comment
  UCR93303  Harpagonella palmeri T. S. Ross 1993-4-22 6869 Los Angeles Channel Islands, Santa Catalina Island, SW part of the island, SE slope of the 1528-foot peak (not far below its summit), 1200 m ESE of the summit of Cactus Peak (1560 ft.). 448 Comment
  JEPS85076  Hazardia squarrosa var. grindelioides Roy E. Buck and Rexford Palmer 1989-4-27 1216 Los Angeles ca 2.8 air km se Townsend Peak Summit (7 air km nw of Castaic; between lanes of Interstate 5 near nw end of crossover section, +/- on ridge between Violin Canyon & large canyon ne) 640 Comment
  RSA0103346  Hazardia squarrosa var. grindelioides R. G. Swinney 2011-10-25 15866 Los Angeles San Gabriel Mountains: along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek 1001 Comment
  RSA730285  Helenium bigelovii R. G. Swinney 1998-8-1 6627 Los Angeles San Gabriel Mtns.: Vincent Gulch, 2.5 mi. ESE of the summit of Mt. Baden-Powell, c. 0.6 mi. above confluence with San Gabriel River 1427 Comment
  RSA603423  Helenium puberulum L. C. Wheeler 1932-9-5 1345 Los Angeles San Antonio Canyon 1066 Comment
  CHSC99846  Helianthus annuus LeRoy Gross 2001-4-1 377 Los Angeles Los Angeles Basin: Verudgo Mountains region: Northwest side. Low hill between La Tuna Canyon Road and Sunland Blvd. enter at dead end street at corner of Tuxford St. and Ledge Ave just north of La Tuna Canyon Road in city of Sun Valley, just west of the mouth of McDonald Creek. 304 Comment
  SEINET3218475 Image available Helianthus annuus David Charlton 2009-9-7 s.n. Los Angeles Western Mohave Desert: Piute Ponds, Edwards Air Force Base, along shores of Ducks Unlimited ponds in SW Corner of area (Rosamond Lake 7.5' Q.) 698 Comment
  RSA660322  Helianthus annuus David Finch 1984-4-30 19 Los Angeles Upland, Benson Ave., .2 miles north of Basline Road. Comment
  SBBG60837  Helianthus gracilentus R. Hoffmann 1927-6-11 Los Angeles Ridge Route (US Hwy 99) Comment
  UC134690  Helianthus gracilentus C. F. Baker 1904-5-1 4719 Los Angeles Claremont Comment
  SD212494  Helianthus nuttallii A. C. Sanders, Mark Elvin 2002-6-25 25257 Los Angeles Northeast end of Santa Susana Mountains; Newhall Ranch, large natural spring at north foot of Airport Mesa, 0.75 mile southwest of Castaic Junction. 305 Comment
  SFV4473  Helianthus petiolaris R. L. Armacost 1933-7-4 3 dup. Los Angeles San Gabriel Mountains Vasquez Rocks, near Newhall, just south of Agua Dulce. 790 Comment
  RSA0115078  Heliotropium curassavicum Steven A. Junak 2000-10-12 SCa- 1413 Los Angeles Santa Catalina Island. On N side of Thompson Reservoir. 195 Comment
  RSA226037  Heliotropium curassavicum R. F. Thorne, C. W. Tilforth 1971-6-29 40651 Los Angeles San Gabriel Mountains, Angeles National Forest: 1.6 mi. above Little Rock Dam near reservoir Campground 976 Comment
  LA209962  Heliotropium curassavicum var. oculatum Peter H. Raven; Henry J. Thompson 1959-9-6 14374 Los Angeles 6 Comment
  RSA605868  Hemizonia fasciculata R. S. Woglum 1930-4-28 s.n. Los Angeles Hills south of Glendora. Comment
  RSA616543  Hemizonia fasciculata Scott D. White 1995-10-11 3693 Los Angeles Santa Susana Mtns, S of Santa Susana Pass Rd. 503 Comment
  RSA117747  Hemizonia fasciculata S. Carlquist 1956-6-20 402 Los Angeles Along roadside, in dry oat fields between Thousand Oaks and Rolling Hills on Ventura Blvd (Hwy101) San Fernando Valley. Comment
  RSA627542  Hemizonia minthornii Sandy Leatherman, Brian Daniels 1998-5-8 6 Los Angeles Santa Monica Mountains: south of Woolsey Canyon Road approx. 1 mile down the existing dirt road. 365 Comment
  UCR88687  Hemizonia minthornii Scott D. White 1995-10-19 3721 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  UCR186568  Herniaria hirsuta A. C. Sanders 2006-4-25 32198 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
  CAS-BOT-BC135903  Hesperoyucca whipplei Alice Eastwood 1913-5-11 3132 Los Angeles San Fernando Wash Comment
  CAS-BOT-BC143691  Heteromeles arbutifolia Dr. Barton W. Evermann 1918-3-29 s.n. Los Angeles Santa Catalina Isl. Comment
  RSA188326  Heteromeles arbutifolia Robert F. Thorne, Percy C. Everett 1965-6-22 34920 Los Angeles Catalina Island. South of Avalon golf course. 91 Comment
  RSA0072466  Heteromeles arbutifolia var. macrocarpa Carl B. Wolf 1936-1-3 7691 Los Angeles Santa Catalina Island. Avalon, slopes at east side of valley. 121 Comment
  CAS-BOT-BC318872  Heterotheca grandiflora C. F. Baker 1903-10-1 4075 Los Angeles Claremont Comment
  RSA0074433  Heterotheca grandiflora S. Koukol, E. Lutz 1998-4-26 22 Los Angeles Claremont, along E side of Indian Hill Blvd., 50 m S of Baseline Road. 421 Comment
  SBBG95487  Heterotheca grandiflora M. B. Dunkle 1928-11-25 2036 Los Angeles Hamilton Beach Comment
  UCR233753  Heterotheca grandiflora Jeremiah George 2012-3-12 s.n. Los Angeles South Coast, Hermosa Beach, vacant lot south of 1125 Manhattan Avenue 11 Comment
  SFV18444  Heterotheca grandiflora S. Haennelt 1976-3-18 Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Parking lot. Comment
  LA203940  Heterotheca sessiliflora J. A. Ewan; 1934-8-11 8334 Los Angeles San Gabriel Mountains, Chilao 1645 Comment
  SBBG63113  Heterotheca sessiliflora subsp. fastigiata R. Hoffmann 1927-8-31 Los Angeles Mint Cyn, Oak's Garage Comment
  UC166890  Heterotheca sessiliflora subsp. fastigiata unknown 1906-9-14 Los Angeles Pasadena Comment
  SEINET3167751  Heterotheca sessiliflora var. fastigiata J. C. Semple, S. Heard 1986-8-25 8629 Los Angeles N of Claremont. My. Baldy Rd. just outside of Los Angeles National Forest Comment
  RSA0021020  Heuchera caespitosa Duncan S. Bell, Caitlin Elam 2013-7-11 5367 Los Angeles Sheep Mountain Wilderness; eastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1993 Comment
  SBBG125063  Heuchera caespitosa A. Parikh, N. Gale 2010-6-29 3370 Los Angeles Upper Glen Cyn, 0.5 km N of Monrovia Peak, just S of Rincon Red Box Rd 1460 Comment
  RSA0045441  Heuchera caespitosa Wendy Boes, Andrew S. Wheeler 2009-6-21 2009 -020 Los Angeles San Gabriel Mountains; Sunset Peak, Forest Service RD 2N07.2 1737 Comment
  RSA0062930  Heuchera elegans Anstruther Davidson 1892-6-14 s.n. Los Angeles Wilson's Peak. Comment
  RSA0062985  Heuchera elegans Fordyce Grinnell Jr. 1911-08 s.n. Los Angeles Mt. Wilson, San Gabriel Mountains. 1795 Comment
  RSA0048636  Heuchera sanguinea Jack Pepper 1953-4-10 s.n. Los Angeles Cheviot Hills. Comment
  POM360453  Hieracium albiflorum Anstruther Davidson 1893-7-4 s.n. Los Angeles Rock Creek. Comment
  RSA729389  Hieracium albiflorum R. G. Swinney 1998-7-21 6467 Los Angeles Upper Fish Fork drainage, vicinity of junction of Upper Fish Fork Trail and Dawson Peak Trail. 1707 Comment
  POM360461  Hieracium argutum Raymond J. Dobbs 1928-01 s.n. Los Angeles Janis Trail, near Arroyo Seco Comment
  CAS-BOT-BC207472  Hoffmannseggia glauca Dave McNally 1960-5-17 9 Los Angeles Glendale mountains 121 Comment
  RSA656931  Holodiscus discolor Valerie L. Soza, Wayne Law, Laura Moore 2000-7-7 1055 Los Angeles San Gabriel Mountains: East of White Saddle, above Cold Springs Canyon. 1.54 miles east of junction of Van Tassel Truck Trail (FS Road 1N36) and Silver Fish Road (FS Road 1N29), along Silver Fish Road (FS Road 1N29). 854 Comment
  RSA85269  Holodiscus discolor Raymond J. Dobbs 1924-7-8 5390 Los Angeles Along trail 2 miles below Switzer's Camp, San Gabriel Mts. 762 Comment
  RSA617228  Holodiscus microphyllus LeRoy Gross 1998-8-22 46 Los Angeles Top of Mt. Baden-Powell. 2866 Comment
  SEINET7293704 Image available Hordeum brachyantherum subsp. californicum Robert F. Thorne 1969-1 38315 Los Angeles San Gabriel Mts., Angeles National Forest: Along rocky bed of small, intermittent stream through yellow pine forest, SE of Angeles Crest Hwy. 3.2 miles WSW of Cloudburst Summit 1951 Comment
  RSA251484  Hordeum intercedens R. F. Thorne 1973-4-11 42792 Los Angeles San Clemente Island: plateau in Middle Ranch area at head of Middle Ranch Canyon. 427 Comment
  SBBG131940  Hordeum intercedens S. A. Junak 2000-5-19 SCa 1324 Los Angeles first ridge W of Twin Rocks, above Goat Harbor Beach, at end of rd 289 Comment
  SEINET10827290  Hordeum murinum subsp. glaucum Marcus E. Jones 1882-5-1 Jones 3562 Los Angeles Comment
  RSA604151  Hordeum murinum subsp. leporinum L. C. Wheeler 1972-4-9 s.n. Los Angeles San Gabriel Mountains: Georges Gap on divide between Clear Creek & Arroyo Seco. Comment
  UCR96173  Hordeum vulgare B. G. Pitzer 1996-4-20 2706 Los Angeles Western Mojave Desert, Antelope Valley, north side of Hwy 138 (Ave. 'D'), c. 2 mi. west of Neenach (c. 30 mi. west of Hwy 14) 915 Comment
  UCR151725  Hordeum vulgare var. trifurcatum Steve Boyd, Amber Maurice 2004-5-18 11307 Los Angeles Transverse Ranges; Liebre Mountains region, Atmore Meadows area Comment
  SDSU9067  Horkelia cuneata A. H. Gallup 1948-4-28 158 Los Angeles Claremont 'Wash' NE of Claremont. 381 Comment
  POM50166  Horkelia cuneata subsp. puberula L. R. Abrams 1901-04 s.n. Los Angeles Devil's Gate Comment
  UCR109147  Horkelia cuneata subsp. puberula Valerie Soza 1998-4-26 78 Los Angeles Claremont: Bernard Field Station, Claremont Colleges, NW corner of MIlls Ave and Foothill Blvd: west of main road, south of pHake Lake, north of Foothill Blvd. 412 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
  UCR255825  Hulsea heterochroma R. G. Swinney 2010-9-23 13875 Los Angeles San Gabriel Mountains, summit of Middle Hawkins Peak on Hawkins Ridge 2593 Comment
  UC303969  Hulsea heterochroma Geo. B. Grant 1902-6-10 Los Angeles Marlins Camp Comment
  RSA0048443  Hymenoclea salsola Lee Haines 1958-5-17 s.n. Los Angeles Junction Highway U.S. 6 and Soledad Canyon Road, west of Vincent. 914 Comment
  CHSC83979  Hypericum formosum var. scouleri John Dittes 1990-6-20 117 Los Angeles Transverse Range; San Gabriel Mountains; approximately 16.7 air-miles north of Monrovia, approximately 1.3 air-mile northeast of Vetter Mountain and 0.75 air-mile southwest of Chilao Station, in canyon of East Fork Alder Creek. 1493 Comment
  CATA1582  Hypochaeris glabra Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2852 Los Angeles Santa Catalina Island: Upper end of road to Toyon Beach 381 Comment
  SBBG31092  Hypochaeris glabra R. F. Thorne 1966-4-29 36305 Los Angeles Airport Rd before turnoff to Middle Ranch Cyn 457 Comment
  RSA483720  Hypochaeris glabra Richard Noyes, L. Arnseth 1988-4-30 514 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Dry drainage bed 100 meters east of Thompson Creek Dam. 500 Comment
  SFV7628  Hypochaeris radicata T. Gordon 1975-6-24 1089 Los Angeles San Fernando Valley Lindley Ave. near Superior on CSUN campus. Comment
  UCR102378  Imperata brevifolia L. C. Wheeler 1964-3-18 8424 Los Angeles San Gabriel Mtns, About half way between Roberts Canyon and Fish Canyon Comment
  CDA5570  Ipomoea mutabilis T. C. Fuller 1963-4-25 10301 Los Angeles North of highway bridge over creek, Pacific Coast Highway (101 Alt.) mouth of Topanga Canyon. 0 Comment
  SFV16491  Isocoma menziesii P. M. Schiffman, R. van de Hoek 1996-11-3 s. n. Los Angeles California Channel Islands Santa Catalina Island. Along ridge above White's Landing. Comment
  SD249146  Isocoma menziesii var. vernonioides Michael G. Simpson, Adrienne Russell, Jonathan Dunn 2000-7-20 2202 Los Angeles San Clemente Island, ca 0.7 mile north-northwest of South Point, along ridge. 121 Comment
  UC420670  Isomeris arborea R. L. Pendleton 1902-7-2 1350 Los Angeles road e Avalon; Santa Catalina Island 9 Comment
  CAS-BOT-BC47595  Jepsonia malvifolia James R. Shevock 1975-3-23 4054 Los Angeles near the entrance to Black Jack Campground. Base of Orizaba Mountain. Santa Catalina Island. 457 Comment
  CATA3211  Jepsonia malvifolia Julie L. King 2016-11-29 30 Los Angeles Santa Catalina Island: West side of Empire Landing Rd., about 250 meters by road from NW junction with Quarry Haul Rd. 118 Comment
  SBBG18722  Jepsonia malvifolia E. R. Blakley 1963-4-8 5546 Los Angeles ridge S side of Avalon Valley above Avalon Terrace 152 Comment
  CAS-BOT-BC101902  Juglans californica Le Roy Abrams; E. A. McGregor 1908-7-5 691 Los Angeles Lone Pine Canyon, desert slopes of the San Gabriel Mountains 914 Comment
  RSA401010  Juglans californica E. S. Spalding 1923-2-3 s.n. Los Angeles Laurel Canyon. Comment
  UCR282022  Juglans californica R. G. Swinney 2014-5-21 16613 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  UCD169214  Juglans hindsii R. E. Riefner Jr. 2012-12-11 12- 598 Los Angeles Sunland-Tujunga, along Stonehurst Ave. near Orcas Ave. 288 Comment
  SBBG47361  Juncus J. Copeland 1973-8-28 1000 Los Angeles 4.3 mi N of intersection of Hwy 39 and San Gabriel Cyn Rd, W fork of San Gabriel Cyn Comment
  SBBG20521  Juncus bufonius E. R. Blakley 1963-12-7 6345 Los Angeles cyn between Pyramid Head and Cove, S of Triangulation Pt Guds 30 Comment
  RSA0025165  Juncus duranii Jane Tirrell 2012-6-19 LS 0077 Los Angeles North-facing hillside seep along California State Route 2 approximately 50 yards east of mile marker 67.7. 2306 Comment
  RSA0116660  Juncus macrophyllus R. G. Swinney 2008-7-16 9265 Los Angeles San Gabriel Mtns.; Little Rock Creek Canyon, 1.6 mi. south of Burkhart Saddle along the Burkhart Trail, at stream crossing. 1817 Comment
  RSA188249  Juncus mexicanus Robert F. Thorne, Percy C. Everett 1965-6-23 34967 Los Angeles Santa Catalina Island. Upper part of Middle Ranch Canyon. 305 Comment
  RSA368239  Juncus mexicanus Samuel R. Tyson 1942-5-22 s.n. Los Angeles San Dimas Canyon 488 Comment
  SD69006  Juncus mexicanus Robert F. Thorne, D. Propst 1968-5-28 37666 Los Angeles Santa Catalina Island, along small stream in central part of Bulrush Canyon. 244 Comment
  RSA741096  Juncus rugulosus Justin M. Wood 2008-11-21 247 Los Angeles 1.5 air miles NE of Big Tujunga Dam where Fall Creek crosses ANF Road (3N27). 800 Comment
  UCR95778  Juncus textilis Lauren Raz, S. D. Boyd 1996-10-23 50 Los Angeles Liebre Mtns, Ruby Canyon, just w of the junction of F.S. Road 6N24 w/ Lake Hughes Road, at confluence w/ Elizabeth Lake Canyon 610 Comment
  UC57091  Juncus torreyi Ernest Braunton Jul 1902 559 Los Angeles Los Angeles River Comment
  RSA0098366  Juncus xiphioides R. G. Swinney 2011-11-1 15973 Los Angeles San Gabriel Mountains: West Fork San Gabriel River Scenic Bikeway, 2.3 miles below (downstream) from Glen Campground, 0.68 miles downstream from Pasadena Bait Club, along FS Rd 2N25 561 Comment
  RSA368379  Juncus xiphioides F. R. Fosberg 1931-5-13 S- 4861 Los Angeles Eagles Nest, Middle Ranch Canyon, Santa Catalina Island 180 Comment
  RSA608232  Juncus xiphioides L. C. Wheeler 1946-9-2 6337 Los Angeles San Gabriel Mountains: West Fork San Gabriel River. 518 Comment
  UC213656  Juncus xiphioides I. M. Johnston 1917-8-23 1684 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains 1524 Comment
  CAS-BOT-BC81010  Juniperus californica Roxana S. Ferris 1918-6-12 948 Los Angeles 3 miles above Acton on Palmdale - Saugus Road Comment
  SFV289  Juniperus californica H. B. King Jul 1958 Los Angeles Mojave Desert Antelope Valley. SW Mojave Desert near Palmdale. 823 Comment
  SEINET13289844 Image available Juniperus californica Unknown 1902-1 Los Angeles Palmdale Comment
  SEINET3862864  Justicia brandegeana J. Chandler 1986-12-27 s.n. Los Angeles Whittier.; 0 Comment
  POM4277  Keckiella breviflora var. breviflora L. R. Abrams, E. A. McGregor 1908-6-21 409 Los Angeles Between Oakgrove Ca - on and Elizabeth Lake. Liebre Mts. Comment
  CAS-BOT-BC235762  Keckiella cordifolia F. Grinnell 1903-7-3 s.n. Los Angeles Scoville's [Scoville] Hill, near Pasadena Comment
  SEINET12269337  Keckiella cordifolia J. F. Bright, Wyman, C. 1931-1 5670 A Los Angeles out of Hollywood Comment
  RSA773677  Koeleria macrantha R. G. Swinney 2009-6-3 11046 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UC70695  Koeleria macrantha G. B. Grant June 1902 5100 Los Angeles Mt. Wilson 1828 Comment
  RSA720490  Koelreuteria bipinnata R. G. Swinney 1997-9-27 5878 Los Angeles Live Oak Canyon, c. 1.6 mi. N of Baseline Rd., 0.8 mi. due N of Live Oak Canyon Dam. 488 Comment
  UCR252744  Koelreuteria bipinnata R. G. Swinney 2010-9-1 13647 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  RSA0012044  Krascheninnikovia lanata R. G. Swinney 2009-4-29 10601 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 945 Comment
  RSA247967  Krascheninnikovia lanata R. F. Thorne, Gary D. Wallace 1973-4-24 43435 Los Angeles Antelope Valley, Western Mojave Desert: Lovejoy Buttes, N of Llano, S slope 915 Comment
  RSA725070  Krascheninnikovia lanata Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -81 Los Angeles Bob's Gap. At the south edge of Bob's Gap, on slopes and roadside, and down in the wash. 1444 Comment
  CATA1417  Lactuca saligna Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1995-11-11 2573 Los Angeles Santa Catalina Island: Below Wrigley Garden entry gates, by fire hydrant, upper Avalon Canyon 106 Comment
  CAS-BOT-BC340580  Lactuca serriola Peter H. Raven; Henry J. Thompson 1959-9-18 14428 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Santa Monica Boulevard near Beverly Glen Boulevard, West Los Angeles 76 Comment
  RSA573558  Lagophylla ramosissima Timothy S. Ross 1992-6-15 6582 Los Angeles Whittier Hills (local name for the western extremity of the Puente Hills) knoll at the head of the S fork of Sycamore Canyon. 372 Comment
  UC50511  Lamarckia aurea Harley P. Chandler 1897-4-12 Los Angeles Claremont 365 Comment
  SD60376  Lamium amplexicaule Peter H, Raven 1962-2-1 16877 Los Angeles waste ground, Los Angeles State and County Arboretum 182 Comment
  SEINET3086009 Image available Langloisia matthewsii E. R. Blakley 1958-5-17 2377 Los Angeles Where Rock Creek crosses the Pear Blossom to Victorville Road. 1006 Comment
  LA209852  Larrea tridentata Harlan Lewis; 1942-11-29 249 Los Angeles Little Rock Comment
  UCD107207  Larrea tridentata Marc Meyer; Mike Alvord and Marc Blain 1993-5-1 21 Los Angeles Mojave Desert, 100 m from Pearblossum Hwy. and Largo Vista Rd., Near Three Sisters. 1100 Comment
  SD186285  Lastarriaea coriacea Andy C. Sanders, Andy Thompson 2003-4-15 26016 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, ca. 500 ft. south of the Magic Mountain theme park 351 Comment
  RSA598209  Lasthenia californica Steve Boyd, Lauren Raz 1997-3-4 9139 Los Angeles Liebre Mountains region, southern base of the Sierra Pelona Ridge, Crown Valley just northwest of Governor Mine, ca 0.8 mi north of Sierra Highway along Crown Valley Road, disturbed and graded area associated with high-tension power lines. 610 Comment
  POM361491  Lasthenia californica B. C. Templeton, I. W. Clokey 1930-4-8 1016 Los Angeles Mojave Desert, W of Lancaster. 400 Comment
  SD224852  Lasthenia californica Karen Kirtland 1993-4-10 Los Angeles Mojave Desert (western): Lancaster, E of 10th St. East between Ave. F and G. 708 Comment
  CAS-BOT-BC352909  Lasthenia coronaria Alice Eastwood 1906-5-27 270 Los Angeles Roscoe Comment
  UCR187234  Lasthenia gracilis A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32209 Los Angeles Tehachapi Mtns. Foothills, hills immediately NW of Quail Lake, vicinity of Benchmark 3562/Quail 1098 Comment
  CATA2915  Lathyrus odoratus Sara L. Crockett 1997-3-7 87 Los Angeles Santa Catalina Island: 331 Clemente Street 24 Comment
  SEINET956190  Lathyrus strictus Louis C. Wheeler 1934-1 2469 Los Angeles Liveoak Canyon, San Gabriel Mts. 472 Comment
  UCR270147  Lathyrus vestitus R. G. Swinney 2011-4-9 14390 Los Angeles San Gabriel Mountains, NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  RSA405690  Lathyrus vestitus subsp. laetiflorus Freda Detmers 1929-4-21 s.n. Los Angeles Topango Canyon Comment
  POM126275  Lathyrus vestitus subsp. laetiflorus Stella Wieman 1927-4-15 s.n. Los Angeles Tujunga Comment
  RSA90350  Lathyrus vestitus subsp. laetiflorus F. W. Peirson 1920-4-25 1926 Los Angeles Hills west of Arroyo Seco, near Pasadena 426 Comment
  CATA83  Lathyrus vestitus var. alefeldii Mark L. Hoefs 1973-3-13 64 Los Angeles Santa Catalina Island: Upper Avalon Canyon by road above Wrigley Memorial 213 Comment
  UC1601992  Lathyrus vestitus var. alefeldii Katharine Brandegee Los Angeles Santa Catalina Island Comment
  JEPS68635  Lavatera assurgentiflora subsp. assurgentiflora Mrs. Blanche Trask July 1908 14050 Los Angeles San Clemente Island Comment
  UCR221443  Lavatera cretica D. E. Bramlet, Mike Ahmer 2005-4-12 3790 Los Angeles Los Angeles Basin Region, Puente Hills, Powder Canyon, just east of main dirt access road, c. 1900 ft. east of Skyline Dr. and 3300 ft. north of Fullerton Rd. 250 Comment
  RSA725125  Layia glandulosa Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -57 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  UC1211161  Layia glandulosa Huron H. Smith 1912-5-3 4917 Los Angeles Azusa 243 Comment
  UC1595580  Layia glandulosa W. Wisura and E. Roeder 1992-4-21 4697 Los Angeles near Valyermo; West Mojave, Mountain Brook Ranch Comment
  UCR281316  Layia glandulosa R. G. Swinney 2014-5-7 16408 Los Angeles San Gabriel Mountains, near town of Ravenna, 0.3 miles east of Stonecross, c. 0.7 miles south of Soledad Cyn. Road, c. 0.5 mile east of Mill Cyn., unnamed N-S oriented cyn. between Bootleggers Cyn. and Mill Cyn. 793 Comment
  POM30332  Layia glandulosa Marcus E. Jones 1882-5-1 s.n. Los Angeles Los Angeles. Comment
  SEINET7883485 Image available Layia glandulosa Lewis S. Rose 1937-1 37072 Los Angeles 9 mi. SE. of Palmdale 823 Comment
  UC1069734  Layia glandulosa A. D. Gifford 1935-3-15 466 Los Angeles 2 mi from mouth Elizabeth Lake Canyon; Tejon Quadrangle Comment
  UC468913  Layia platyglossa Geo. B. Grant 1905-4-20 109 Los Angeles Pasadena Comment
  POM157996  Layia platyglossa subsp. campestris M. B. Dunkle 1928-3-17 1734 Los Angeles Hay Press, Santa Catalina Island 396 Comment
  RSA233588  Lepechinia fragrans Robert F. Thorne 1970-3-5 39357 Los Angeles Santa Catalina Island. Middle Ranch Canyon. 396 Comment
  RSA702174  Lepechinia fragrans Scott D. White 2004-7-28 10662 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
  SD90589  Lepechinia fragrans Robert F. Thorne 1970-3-5 39357 Los Angeles Santa Catalina Island; Middle Ranch Canyon. 395 Comment
  UC1929628  Lepechinia fragrans Mark Elvin, Michael Wall, Scott Koukol, Sylvia Engstrom 1996-9-11 349 Los Angeles Transverse Ranges; San Gabriel Mountains region: San Gabriel Mtns. Angeles National Forest. Glendora Ridge Road. 7.3 mi W of gate at Mt. Baldy Road. S side road on bank. Comment
  SBBG70801  Lepidium dictyotum R. Hoffmann 1932-4-2 Los Angeles just N of Lancaster Comment
  SBBG14469  Lepidium dictyotum E. C. Twisselmann 1962-4-10 6847 Los Angeles Ave A, 5.1 mi NW of Hwy 6 685 Comment
  RSA728774  Lepidium flavum Gary D. Wallace 1979-4-19 1697 Los Angeles Transverse Ranges, Liebre Mtns region, Butte Valley Wildlife Sanctuary. Comment
  UCR107682  Lepidium flavum G. F. Pratt 1997-2-12 s.n. Los Angeles Mojave Desert: Edwards A.F.B., 2 miles SW of Branch Memorial Park, south of Ave A near Ave. B 701 Comment
  RSA526547  Lepidium lasiocarpum Steve Boyd, L. Arnseth 1990-4-7 4233 b Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  CAS-BOT-BC89751  Lepidium latipes Dr. H. E. Hasse 1891-3-1 s.n. Los Angeles Flats near Santa Monica. Comment
  RSA3569  Lepidium nitidum C. B. Wolf 1932-5-12 3582 Los Angeles 1 miles E of the Banning House at the Isthmus 152 Comment
  RSA429648  Lepidium perfoliatum Anstruther Davidson 1922-5-28 s.n. Los Angeles Lancaster. Comment
  RSA591979  Lepidium virginicum Mark Hoefs, D. Propst 1973-3-3 33 Los Angeles Santa Catalina Island: west side of Black Jack Mt. 412 Comment
  RSA708571  Lepidium virginicum var. pubescens Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1157 Los Angeles Ridgetop above McDonald Creek. 457 Comment
  POM8948  Lepidium virginicum var. pubescens R. D. Harwood 1920-3-17 3354 Los Angeles 1/2 mile N of San Dimas. 366 Comment
  CAS-BOT-BC328064  Lepidospartum squamatum F. Grinnell Jr. 1908-10-8 s.n. Los Angeles Switzer Camp. San Gabriel Mts. 914 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
  SEINET3087492 Image available Leptodactylon californicum subsp. californicum David Charlton 1987-1-31 635 Los Angeles Saddle Peak, Santa Monica Mountains. 610 Comment
  UCR46104  Leptodactylon pungens Kathy Harper 1986-5-17 s.n. Los Angeles San Gabriel Mtns, between Pacifico Mountain and road N3 Comment
  RSA578296  Leptosiphon androsaceus T. S. Ross, S. D. Boyd 1994-5-4 7661 Los Angeles Northeast summit of Grass Mountain: north slopes draining toward Elizabeth Lake; south slopes toward Green Valley. 1384 Comment
  RSA709808  Leptosiphon aureus subsp. aureus Gary D. Wallace, Ann Hiller 1983-5-18 2058 Los Angeles Dirt road W of junction with Chesboro Road on Mt. Emma Rd. at 47th St. E. Gypsum area further along road. 945 Comment
  SD65479  Leptosiphon breviculus Reid Moran 1967-7-22 14093 Los Angeles Canyon south of Chilao, San Gabriel Mountains. 1550 Comment
  RSA73058  Leptosiphon ciliatus F. W. Peirson 1920-6-10 2790 Los Angeles San Gabriel Mts., summit of Mt. Wilson 1738 Comment
  SD215407  Leptosyne bigelovii Steve Boyd, Lauren Raz 1997-3-31 9413 Los Angeles Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 914 Comment
  RSA91163  Lessingia glandulifera var. glandulifera F. W. Peirson 1928-9-5 8191 Los Angeles road from Rock Creek to Big Pines 1280 Comment
  UCR190941  Lewisia rediviva R. G. Swinney, Cody Clarke 2001-6-20 8001 Los Angeles San Gabriel Mtns., summit of Mt. Lewis, NW of Dawson Saddle 2560 Comment
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Feb 6 2013
  SBBG17109  Leymus condensatus M. Vincent 1962-7-10 281 Los Angeles Piuma Rd, 0.5 mi E of Malibu Cyn Rd Comment
  RSA155817  Leymus triticoides P. H. Raven 1962-5-21 17810 Los Angeles Middle Canyon about 4 miles above ranch 274 Comment
  RSA748328  Leymus triticoides R. G. Swinney 2005-8-9 8419 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  RSA702834  Ligustrum Scott D. White 2004-4-23 10235 Los Angeles City of Pasadena. Arroyo Seco at La Loma Road bridge crossing. 213 Comment
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Sep 3 2019
  RSA0021461  Lilium humboldtii subsp. ocellatum Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5069 Los Angeles San Gabriel Mountains region: Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  UC1714525  Lilium parryi I. M. Johnston 1916-8-22 1703 Los Angeles Prairie Fork of San Gabriel River; San Antonio Mounains 2286 Comment
  HSC16908  Limonium perezii G. E. Anderson 1966-4-6 57 Los Angeles Hwy. 1, N of Hwy. 27 Jct. Comment
  UCR210421  Limonium perezii R. G. Swinney 2008-12-6 9974 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon west of Roberts Canyon on north side of San Gabriel River channel 229 Comment
  RSA468557  Linanthus androsaceus subsp. luteolus F. H. Terry 1901-1 1931 Los Angeles Santa Monica Range So. Calif. Comment
  UCR124683  Linanthus aureus B. C. Templeton, I. W. Clokey 1930-4-8 1053 Los Angeles Mojave Desert, west of Lancaster 710 Comment
  UC1871140  Linanthus bigelovii T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4856 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
  POM184663  Linanthus californicus Joseph A. Ewan 1932-5-29 7213 Los Angeles trail in Arrastre Canyon. 1372 Comment
  RSA276018  Linanthus californicus Jack Delaini 1974-5-9 170 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. 793 Comment
  RSA652606  Linanthus californicus Bob Edwards 1948-4-26 s.n. Los Angeles Found on hillside (east side) San Gabriel Canyon 3 1/2 mi. N. of Azusa 304 Comment
  UCR209442  Linanthus dianthiflorus R. G. Swinney 1969-4-27 384 Los Angeles San Gabriel Mtns., Glendora/Azusa boundary, foothills 0.6 mi. north of Sierra Madre Ave. above Yucca Ridge Ave 351 Comment
  CDA40107  Linanthus dianthiflorus L. C. Wheeler 1973-4-8 s.n. Los Angeles San Gabriel Mountains; Kagel Canyon, sunny flat by abandoned dwelling site. Comment
  UCD118502  Linanthus dianthiflorus Robert F. Thorne Date Unknown 34461 Los Angeles N slope of Black Jack Mountain, Santa Catalina Island. 457 Comment
  RSA329745  Linanthus parryae Gary D. Wallace 1966-4-24 495 Los Angeles Along Hwy 138 just 1/2 mile S of Pearblossom Hwy. 762 Comment
  RSA725222  Linanthus parryae Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -27 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  POM9144  Linanthus parryae W. R. Dudley 1896-6-8 4338 Los Angeles Kings Canon, [canyon] Liebre Mts. Comment
  RSA271442  Linanthus parryae C. W. Tilforth, John Dourley, Walter Wisura 1978-4-17 1537 Los Angeles 3.5 miles east of Pearblossom and 3.5 air miles north of Bob's Gap along Hwy 168. 976 Comment
  SEINET10446537  Lindera thomsonii var. velutina David B. Dunn 1941-3-22 Dunn 894 Los Angeles 3 mi N from Clear Creek Service Station; N side of Tehachepis-oak covered hills. Comment
  UCD110587  Linum grandiflorum Daryl Koutnik; Vickie Dawes 1978-5-12 491 Los Angeles Decker Road, south of Carlisle Road. 487 Comment
  LA82095  Lithophragma affine O. H. Kappler; 1941-3-15 128 Los Angeles Santa Monica Mountains, W Fork, Las Trancas (Rattlesnake) Canyon 365 Comment
  UCR11883  Lithophragma affine P. H. Raven, H. J. Thompson 1960-4-24 15124 Los Angeles Western Transverse Range; Santa Monica Mtns., 2 mi east of Decker Road on Mulholland Hwy 610 Comment
  UCSB2562  Lithophragma affine Beach, Kay 1943-3-25 Los Angeles San Dimas Exp. Forest; gage 25 Comment
  RSA468250  Lithophragma bolanderi L. E. Hoffman 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles National Forest. Comment
  CAS-BOT-BC432204  Lithophragma bolanderi G. B. Grant 1901-3-24 s.n. Los Angeles Eaton Canon Comment
  POM126293  Lithophragma heterophyllum V. Newsom, M. Hilend 1927-4-13 s.n. Los Angeles Hills S.W. of Newhall. Comment
  UCSB2570  Lithophragma heterophyllum Ballard 1954-5-27 Los Angeles Little Dalton Canyon 362 Comment
  UCR191524  Lithophragma tenellum R. G. Swinney 1998-7-8 6338 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat 2280 Comment
  RSA439331  Lobelia dunnii var. serrata Fordyce Grinnell Jr. 1910-7-22 3662 Los Angeles Switzer's Camp, San Gabriel Mountains Comment
  LA202600  Lobelia dunnii var. serrata J. A. Ewan; 1929-8-17 3453 Los Angeles Santa Monica Mountains, lower Trancas Canyon 6 Comment
  RSA0055769  Lobularia maritima R. G. Swinney 2010-4-1 12135 Los Angeles San Gabriel Mountains: Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Mac 399 Comment
  UCR261535  Lobularia maritima R. G. Swinney 2010-2-27 11669 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
  CAS-BOT-BC174517  Loeflingia squarrosa Alice Eastwood 1913-5-11 3175 Los Angeles San Fernando Wash Comment
  UCR180370  Loeflingia squarrosa Scott D. White, Pam Devries 2006-5-10 11421 Los Angeles SE Tehachapi Mtns, Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Road 1098 Comment
  RSA562624A  Loeflingia squarrosa subsp. artemisiarum D. Charlton 1991-5-18 5182 Los Angeles Piute Ponds, Edwards Air Force Base. Old Homestead road just east of ponds, south of Rosamond Dry Lakebed. 701 Comment
  UCR205849  Loeseliastrum matthewsii R. G. Swinney 2008-5-8 8819 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  CAS-BOT-BC342192  Logfia filaginoides Timothy S. Ross; J. Mark Porter 1995-5-4 8527 Los Angeles Liebre Mountains. Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road 682 Comment
  SBBG53161  Logfia filaginoides S. A. Junak 1978-4-15 SCa 2 Los Angeles S side of crk near Cherry Valley Boy Scout Camp, lower Cherry Valley 7 Comment
  SD90274  Logfia filaginoides Robert F. Thorne 1973-4-11 42796 Los Angeles San Clemente Island 424 Comment
  RSA0112061  Lolium Steven A. Junak 2000-5-6 SCa- 1266 Los Angeles Santa Catalina Island. Small reservoir, along S side of Upper Empire Quarry Road, 0.8 mi. W of intersection w/road to Empire Landing housing. 97 Comment
  RSA708604  Lolium perenne subsp. multiflorum Valerie L. Soza, LeRoy Gross 2001-5-9 1206 Los Angeles Southern San Rafael Hills: South of western end of Scholl Canyon, West end of Valle Vista fire road, ridgetop north of Hwy 134. 297 Comment
  SEINET7062868  Lomatium A. G. Vestal 1947-4-8 s.n. Los Angeles Open bush country. Sierra Pelona Valley. Vasquez Rocks County Park. (WGS84/NAD83). UTM Zone 11, 377983mE, 3815837mN. 698 Comment
  RSA0081308  Lomatium dasycarpum R. G. Swinney 2010-3-24 12101 Los Angeles Pacoima area, Lopez Canyon, 1.7 miles west of Kagel Canyon on Lopez Cyn. Rd., to 300 meters east of road on E-W running ridge. 503 Comment
  SD241722  Lomatium dasycarpum Mark A. Elvin 2003-5-1 2497 Los Angeles Santa Clarita Valley: Newhall Ranch, Castaic Mesas, c. 1.5 km east of Castaic Lagoon, in Charlie Canyon, survey area 69 (Newhall 7.5'Q) 395 Comment
  UCR237905  Lomatium dasycarpum Mark A. Elvin 2003-5-1 2497 Los Angeles Santa Clarita Valley, Newhall Ranch, Castaic Mesas, c. 1.5 km east of Castaic Lagoon in Charlie Canyon, survey area 69 396 Comment
  JEPS17012  Lomatium mohavense J. Burtt Davy May, 1896 2623 Los Angeles Antelope Valley, Manzana Comment
  RSA452120  Lomatium nevadense var. parishii Ora M. Clark 1929-3-30 1916 Los Angeles W. Lancaster. Comment
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Apr 10 2012
  POM308884  Lomatium utriculatum Anonymous 1943-4-22 647 Los Angeles Over top of Dalton Firebreak, San Dimas Experimental Forest, U. S. Forestry Dept. Comment
  SBBG13639  Lonicera hispidula E. R. Blakley 1962-10-5 5462 Los Angeles Eagles Nest, Middle Ranch Cyn 152 Comment
  RSA198821  Lonicera hispidula var. vacillans R. F. Thorne 1968-5-27 37624 Los Angeles Santa Catalina Island; in upper Skull Canyon 305 Comment
  RSA6004  Lonicera hispidula var. vacillans C. B. Wolf 1932-10-5 4237 Los Angeles Santa Catalina Island, 1 mile from Middle Ranch on road to Black Jack Peak. 274 Comment
  UC102329  Lonicera hispidula var. vacillans J. W. Toumey 1894-9-10 Los Angeles Catalina Island Comment
  JEPS12807  Lonicera interrupta Frank W. Peirson 1918-6-15 264 Los Angeles Mint Canyon San Gabriel Mountains Comment
  CSUSB685  Lonicera japonica Nadine Tolkan 1970-5-16 12 Los Angeles Playa del Rey, near corner of Vista del Mar and Vista del Mar Comment
  RSA406758  Lotus argophyllus subsp. ornithopus George B. Grant, Walter Wheeler 1904-04 6257 Los Angeles Santa Catalina Island. Comment
  UC864767  Lotus argophyllus var. argenteus F. R. Fosberg 1931-3-18 S 4294 Los Angeles Hamilton Canyon Santa Catalina Island 10 Comment
  RSA273129  Lotus argophyllus var. ornithopus Glenn A. Gorelick 1978-5-26 s.n. Los Angeles Catalina Harbor, Santa Catalina Island. Comment
  RSA0110924  Lotus corniculatus R. G. Swinney 2010-10-5 13981 Los Angeles San Gabriel Mountains: east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons. 549 Comment
  UC33440  Lotus dendroideus var. dendroideus Dr. A. A. Davidson Los Angeles Santa Catalina Island Comment
  RSA582452  Lotus hamatus L. C. Wheeler 1934-3-24 2476 Los Angeles Liveoak Canyon, San Gabriel Mountains. 488 Comment
  RSA0020991  Lotus heermannii var. heermannii Orlando Mistretta, Christine Mistretta 2011-7-5 5897 Los Angeles North Fork Mill Creek, along Forest Road 3N27. 1254 Comment
  RSA594303  Lotus heermannii var. heermannii Steve Boyd, Lauren Raz 1996-10-14 9069 Los Angeles Liebre Mountains region, north shore of Elizabeth Lake, Pine Canyon south of Portal Ridge at Angeles National Forest picnic area. 1000 Comment
  RSA609380  Lotus heermannii var. heermannii L. C. Wheeler 1931-5-10 s.n. Los Angeles San Gabriel Mountains: Big Dalton Canyon. Comment
  RSA624990  Lotus heermannii var. heermannii L. C. Wheeler 1963-5-5 8255 Los Angeles San Gabriel Mountains: Bear Creek, off West Fork San Gabriel River. Comment
  IRVC28122  Lotus humistratus A. C. Sanders, Mark A. Elvin, et al. 2003-5-1 26280 Los Angeles NE side of Castaic Mesa, ca. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch Western San Gabriel Mtns. 396 Comment
  UCR126889  Lotus humistratus A. C. Sanders, Tricia Wotipka, Mark A. Elvin, and others 2003-4-29 26155 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east Lake Hughes Road 488 Comment
  RSA0102541  Lotus nevadensis Richard G. Swinney 2011-6-7 15071 Los Angeles San Gabriel Mountains: summit of Mount Mooney, 0.4 air-mile due east of Angeles Crest Hwy & 0.5 mile due north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory. 1768 Comment
  SEINET12154235  Lotus nevadensis Unknown 1933-1 3529 Los Angeles Buckhorn, San Gabriel Mtns 1981 Comment
  RSA729608  Lotus nevadensis var. davidsonii R. G. Swinney 1998-7-10 6405 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
  UCR209644  Lotus oblongifolius R. G. Swinney 2008-7-2 9120 Los Angeles San Gabriel Mtns., Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy 2000 Comment
  RSA406207  Lotus oblongifolius var. oblongifolius N. C. Cooper 1949-6-29 4376 Los Angeles San Gabriel Canyon. 610 Comment
  UCR229168  Lotus procumbens Dan S. Cooper 2011-5-5 511- 58 B Los Angeles Transverse Range; San Gabriel Mountains, Portal Ridge, east of Three Points, 6.1 mi southeast (148 deg. ) of Neenach 1331 Comment
  UC69573  Lotus procumbens var. procumbens J. Burtt Davy May 9 1896-May 24 1896 2559 Los Angeles near Manzana; Antelope Valley Comment
  UCR209046  Lotus purshianus Dan S. Cooper 2009-5-27 509- 38 .2 Los Angeles Los Angeles Basin Region, adjacent to radio towers in Kenneth Hahn Recreation Area, Baldwin Hills, Los Angeles 137 Comment
  SFV10188  Lotus salsuginosus J. G. Cuti 1978-4-12 49 Los Angeles Verdugo Mountains La Tuna Canyon Road near eastbound onramp for 210 Freeway. Burnt over, north-facing, gradual slope. 450 Comment
  RSA406817  Lotus salsuginosus var. salsuginosus L. C. Wheeler 1934-4-22 2537 Los Angeles W side Big Santa Anita Canyon, San Gabriel Mts. 487 Comment
  SEINET13711394  Lotus scoparius J. Adams, J. Adams (Botany) 1965-1 150 Los Angeles Claremont, N End Indian Hill Blvd, Thompson's Wash 1400 Ft 427 Comment
  UCR177568  Lotus scoparius var. brevialatus LeRoy Gross 2005-5-3 2251 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
  UC57393  Lotus scoparius var. brevialatus J. H. Barber 1898-7-9 Los Angeles Comment
  RSA0070329  Lotus scoparius var. scoparius R. G. Swinney 2010-5-7 12600 Los Angeles San Gabriel Mountains: Lake View Terrace, Oliver Canyon mouth, west of debris basin, 0.35 air miles north of I-210 Fwy, NW side of jct. of BP and L Rd and Jimenez St./Dominica Ave. 378 Comment
  UCR131448  Lotus scoparius var. scoparius Alison Lipman 1998-3-23 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  UCR155122  Lotus scoparius var. scoparius A. C. Sanders 2005-5-5 29933 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, hills at SW end of Cruzan Mesa at Bench Mark 'Plum 701 Comment
  RSA647869  Lotus strigosus LeRoy Gross, Laura Moore, Debby Zygielbaum, Ron Burchet 2000-6-8 244 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 926 Comment
  RSA672219  Lotus strigosus Joseph M. Keefe 2001-3-19 31175 Los Angeles San Rafael Mountains. 3 meters north of Glenoaks Boulevard, 100 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles west of Harvey Drive; Glendale 470 Comment
  UC69540  Lotus strigosus Joseph Burtt Davy May 9 1896-May 24 1896 2530 Los Angeles Manzana Antelope Valley Comment
  UCR125423  Lotus strigosus A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25690 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along dirt road on eastern slopes below 'Grapevine Mesa,' 1.75 mi. ESE of Del Valle, south of confluence of Castaic Creek with Santa Clara River 335 Comment
  UCR280678  Lotus strigosus R. G. Swinney 2014-5-21 16630 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  RSA75379  Ludwigia peploides subsp. peploides F. W. Peirson 1916-09 2080 Los Angeles Kewen Lake, Pasadena Comment
  RSA113647  Ludwigia peploides subsp. peploides Peter H. Raven 1957-6-15 10922 Los Angeles 2.6 miles east of Seminole Hot Springs, Santa Monica Mountains. Comment
  UC1871218  Lupinus agardhianus T. S. Ross 1993-4-21 6835 Los Angeles Channel Islands: Santa Catalina Island; Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); saddle on E side of peak; Santa Catalina South USGS7.5 elev. ca. 1470 ft. 448 Comment
  SEINET10969890  Lupinus albifrons David B. Dunn 1957-5-18 Dunn s.n. Los Angeles Plants 3 years old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by d.b.dunn. Rsa # 6450 x arb. Hybrid. Comment
  CAS-BOT-BC201422  Lupinus albifrons var. albifrons R. Hoffmann 1931-4-28 513 Los Angeles W. end of Bouquet Cany. [Canyon] Comment
  RSA0061208  Lupinus albifrons var. austromontanus Daisie Huang, Bart O'Brien 2008-4-20 08042007 Los Angeles Old Ridge Rte, after unmaintained section. 413 Comment
  RSA406975  Lupinus albifrons var. eminens F. R. Fosberg 1931-5-12 4849 Los Angeles Descanso Canyon near Coach Road, Santa Catalina Island Comment
  CHSC35451  Lupinus bicolor James Henrickson 1979-5-18 18120 Los Angeles Ca 2 miles SE of Newhall, N of San Fernando Road, ca 1 mile NW of Hwy 14; S of creek. 402 Comment
  RSA0087025  Lupinus bicolor R. G. Swinney 2010-6-1 13085 Los Angeles Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1067 Comment
  SEINET3289849 Image available Lupinus bicolor M. W. Denslow, Steve Boyd 2003-5-7 1085 Los Angeles Transverse Ranges; San Gabriel Mountains region: Lower Glendora Ridge Motorway (1N26) above Azusa. 610 Comment
  SEINET7047908 Image available Lupinus bicolor Steven R. Hill, Kate Kramer 2001-4-22 33357 Los Angeles North side of San Gabriel Mountains, south side of Antelope Valley, Johnson Road, 6.2 miles north-northeast of junction with Elizabeth Lake Road, 3 miles south of junction of Avenue I and 110th Street West. Elevation about 3080 feet. Comment
  POM2555  Lupinus chamissonis Crawford, Hiatt 1916-3-29 564 Los Angeles Santa Monica Mountains Comment
  UCR45020  Lupinus chamissonis A. C. Sanders 1986-7-30 6831 Los Angeles Pacific Slope, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr., east of Vista Del Mar Blvd 31 Comment
  RSA0088572  Lupinus concinnus R. G. Swinney 2010-5-11 12692 Los Angeles East of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd. 872 Comment
  UCR258761  Lupinus concinnus R. G. Swinney 2010-5-11 12692 Los Angeles San Gabriel Mountains, east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd 872 Comment
  RSA755626  Lupinus excubitus var. austromontanus R. G. Swinney 2008-7-15 9204 Los Angeles Winston Peak. 2275 Comment
  SEINET10907092  Lupinus excubitus var. hallii David B. Dunn 1956-1 Dunn RSA# 8292 x 6456(3) Los Angeles Plants 2 yrs. Old. Grown in field planting at racho santa ana botanical Garden. Hybridizations by david b. Dunn. The numbers are the field plant Numbers of rsa. 1St # is female parent x 2nd # male parent. () Parenthetic # Is mf plant no. Seeds from open field pollen. Comment
  RSA597048  Lupinus excubitus var. johnstonii T. S. Ross 1990-6-25 3832 Los Angeles Ridgetop to the W of Crystal Lake (ridge descending SSW from Mt. Islip) 1884 Comment
  UCR270260  Lupinus formosus R. G. Swinney 2011-6-15 15158 Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  SBBG69100  Lupinus formosus R. Hoffmann 1931-5-2 511 Los Angeles above narrow Bouquet Cyn Comment
  SD86339  Lupinus guadalupensis R. Mitchel Beauchamp, M. Douglas 1972-3-24 3232 Los Angeles San Clemente Island, in grassy fields north of Nanny 249 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
  LA200465  Lupinus hirsutissimus A. M. Johnson; 1934-3-16 4336 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  RSA182752  Lupinus hirsutissimus J. Massey 1966-3-26 1130 Los Angeles Cobal Canyon, 0.25 miles from entrance. Comment
  RSA413683  Lupinus hirsutissimus Alton Clare 1929-2-24 s.n. Los Angeles Santa Monica Canyon Comment
  UCR280497  Lupinus hirsutissimus R. G. Swinney 2014-6-5 16703 Los Angeles San Gabriel Mountains, Glendora, ridgetop due north of Grand Ave., 0.32 mile south of Glendora Ridge Motorway 561 Comment
  POM2494  Lupinus hirsutissimus Crawford, Otis Hiatt 1916-3-28 566 Los Angeles Santa Monica Mountains. 305 Comment
  POM19045  Lupinus hyacinthinus P. A. Munz 1923-8-31 7673 Los Angeles Swartout Valley, San Gabriel Mts 2591 Comment
  RSA0077377  Lupinus hyacinthinus Orlando Mistretta 1994-6-15 s.n. Los Angeles San Gabriel Mountains: Little Rock Creek Management Unit; Santiago Canyon Section. 1158 Comment
  SEINET10489277  Lupinus latifolius subsp. parishii August J. Breitung 1953-5-16 Breitung 15111 Los Angeles Glendora mtn. Rd, san bernardino (gabriel ?) Mts. Herb up to 7 ft high. Keel Ciliate above near base. Comment
  CAS-BOT-BC211651  Lupinus longifolius L. R. Abrams 1901-4-1 1230 Los Angeles Ballona Harbor Comment
  CAS-BOT-BC211679  Lupinus longifolius Theodore Payne 1938-5-15 9410 Los Angeles Victory Blvd. E. of Van Nuys, San Fernando Valley 274 Comment
  RSA225711  Lupinus longifolius R. F. Thorne 1971-5-22 39704 Los Angeles San Gabriel Mountains: Near mouth of Fish Canyon. 244 Comment
  RSA91319  Lupinus longifolius J. Ewan 1931-1-1 4002 Los Angeles Racher common on Bluffs away from beach, Playa Del Rey Comment
  UCR183984  Lupinus microcarpus A. C. Sanders 2007-4-19 33435 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  RSA413532  Lupinus microcarpus var. densiflorus Tom Burch 1940-4-21 s.n. Los Angeles Bouquet Canyon, near Saugus. 610 Comment
  OBI48497  Lupinus microcarpus var. microcarpus Rhonda Riggins 1982-4-16 1349 Los Angeles W edge Antelope Valley, Ca 198 3.1 mi W jct Co. Rd N2 5.6 mi W Gorman Post Rd and I5 Comment
  UCR159988  Lupinus sparsiflorus Robin Schramm, R. Schoeninger, Vicki Schramm, Bill Schramm 1998-1 23 Los Angeles Whittier Hills, former Chevron Oil property, overgrown fire road beginning at Bacon Rd and extending behind Mar Vista School and Catalina Ave. 213 Comment
  UCR281362  Lupinus sparsiflorus R. G. Swinney 2014-5-15 16515 Los Angeles San Gabriel Mountains, Azusa Peak, 0.06 mile south of Glendora Ridge Motorway, 1.34 miles due east of Hwy. 39, 0.15 mile east of Garcia Trailhead 630 Comment
  JEPS65442  Lupinus sparsiflorus Frank W. Peirson 1918-6-12 87 Los Angeles foothills e Rubio Canyon; foothills e of Rubio Canyon 609 Comment
  UC15869  Lupinus sparsiflorus J. H. Barber 1907-4-20 141 Los Angeles Pomona Experiment Station Comment
  RSA251554  Lupinus succulentus Robert F. Thorne 1973-4-12 42906 Los Angeles San Clemente Island: China Point at end of road. 15 Comment
  RSA680546  Lupinus succulentus Scott D. White, Michael Honer 2003-6-23 9583 Los Angeles Newhall Area: South Fork, Santa Clarita Riv. between Lyons Ave. and Magic Mountain Parkway. 351 Comment
  RSA598376  Lupinus truncatus L. C. Wheeler 1967-5-24 9758 Los Angeles San Gabriel Mountains. Indian Canyon, near mouth. 701 Comment
  UCR223217  Lycium andersonii R. G. Swinney 2009-5-13 10788 Los Angeles Transverse Range; San Gabriel Mtns. Foothills, Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  LA209653  Lycium californicum J. Sauer; D. Johnson 1969-5-9 4473 Los Angeles San Clemente Island, N of Wilson's Cove Comment
  SBBG17876  Lycium californicum P. H. Raven 1962-4-9 17155 Los Angeles Wilson's (Wilson) Cove 91 Comment
  CAS-BOT-BC140224  Lyonothamnus floribundus subsp. aspleniifolius Dr. Barton W. Evermann 1918-3-25 s.n. Los Angeles San Clemente Isl. Comment
  RSA23578  Lyonothamnus floribundus subsp. floribundus Percy C. Everett 1939-8-22 9536 Los Angeles Santa Catalina Island. East slope of Blackjack Peak in Swain's Canyon. 457 Comment
  SEINET10904068  Lyonothamnus floribundus subsp. floribundus Jon Ricketson, Heidi H. Schmidt 1992-10-21 Ricketson 4812 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Garden, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  UCR125183  Lythrum californicum A. C. Sanders, Mark Elvin 2002-6-25 25262 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  RSA188027  Madia exigua R. F. Thorne 1966-4-29 36319 Los Angeles Santa Catalina Island: below road to White's Landing above turn-off to Echo Lake 411 Comment
  CATA3080  Madia gracilis Amy Catalano 2016-4-13 068 Los Angeles Santa Catalina Island: Along Middle Ranch Road, about 300 meters east of fruit orchard, on south side of road 254 Comment
  POM49335  Madia gracilis L. W. Nuttall 1920-6-1 s.n. Los Angeles Santa Catalina Island Comment
  NY24349  Mahonia nevinii C. B. Wolf 1927-7-27 682 Los Angeles About 1/2 mile south of San Fernando Comment
  RSA434306A  Malacothamnus fasciculatus I. M. Johnston 1917-5-13 982 Los Angeles San Gabriel Wash 152 Comment
  UCR88662  Malacothamnus fasciculatus Scott D. White 1995-10-19 3708 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  UC1375262  Malacothamnus orbiculatus Robert F. Thorne and C. W. Tilforth 1971-6-29 40710 Los Angeles at Tie Canyon where crossed by Angeles Forest Rd.; San Gabriel Mountains, Angeles National Forest, Aliso Creek 1371 Comment
  UCR187097  Malacothrix californica A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32240 Los Angeles Tehachapi Mtns. Foothills/Mojave Desert, western end of the Antelope Valley, SW corner of intersection of Ave. 300 West and Oso Pumping Plant Rd. 915 Comment
  SEINET7016740  Malacothrix californica Wanda P. Vestal, A. G. Vestal 1955-3-26 s.n. Los Angeles Antelope Valley, east of Fairmont on 110th Street. Comment
  UC565546  Malacothrix coulteri Herbert L. Mason 1926-4-26 3008 Los Angeles Little Rock Creek Mohave Desert Comment
  RSA597447  Malacothrix foliosa Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5241 Los Angeles San Clemente Island: Southeast end of island; first un-named canyon S of Snake Cactus Canyon (drainage beginning 1420 feet due W of Guds) 152 Comment
  UC92211  Malacothrix foliosa Nevin and Lyon 1885-1 601 Los Angeles San Clemente Comment
  UCR117112  Malacothrix saxatilis A. C. Sanders, D. Malueg 2001-5-17 24343 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 11 acre gas company property at SW corner of Jefferson Blvd. and Montebello Blvd., being decommissioned 122 Comment
  CAS-BOT-BC347949  Malacothrix saxatilis var. tenuifolia John Thomas Howell 1931-6-6 6667 Los Angeles 17 miles s. of Sandberg's Summit, Ridge Route Comment
  JEPS36769  Malacothrix saxatilis var. tenuifolia W. L. Jepson 1908-7-13 3063 Los Angeles Avalon Santa Catalina Island Comment
  OBI69365  Malacothrix saxatilis var. tenuifolia John Knapp, Denise Knapp 2002-11-27 25 Los Angeles Santa Catalina Island 82 Comment
  SD39003  Malacothrix saxatilis var. tenuifolia Edith A. Purer 1931-6-19 Los Angeles Roadside south of Los Angeles. Comment
  RSA386394  Malosma laurina E. S. Spalding 1925-9-19 s.n. Los Angeles Avalon Canyon, Santa Catalina Island. Comment
  RSA774839  Malosma laurina R. G. Swinney 2009-6-12 11151 Los Angeles El Encanto Azusa River Wilderness Park 296 Comment
  UC1595398  Malosma laurina Tim Ross, Peter Fritsch 1990-6-20 3698 Los Angeles San Gabriel Mountains, w side of Van Tassel Canyon, Forest Service Road 1N36 heading s from Rincon-Red Box Road Van Tassel Canyon; San Gabriel Mountains, Van Tassel Canyon 472 Comment
  RSA787633  Malus pumila Jane Tirrell 2012-5-8 LS 0043 Los Angeles Highway cut, north side of California State Route 2 near mile marker 66.43 2231 Comment
  CATA3138  Malva assurgentiflora Sarah Ratay, Chris Davis 2010-8-5 131 Los Angeles Santa Catalina Island: Near golf course in Avalon 62 Comment
  RSA434884  Malva parviflora F. R. Fosberg 1931-5-22 7163 Los Angeles Santa Catalina Island. Bird Rock, Isthmus Harbor. 5 Comment
  UCR152456  Malva parviflora A. C. Sanders, Lee Jones 2005-4-8 29370 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  UCR197166  Malva parviflora Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-18 1142 Los Angeles Transverse Ranges: Verdugo Mountains, mouth of McDonald Creek 335 Comment
  UCR274961  Marah fabacea Michael Honer, Rachel Woodard 2006-4-11 2175 Los Angeles Tehachapi Mountains area, Grazed hills c. 3.5 miles ENE of Quail Lake 976 Comment
  RSA0061124  Marah macrocarpa LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6832 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA702945  Marah macrocarpa Scott D. White, Michael Honer 2004-3-30 9954 Los Angeles Eastern edge of the City of Palmdale, ca. 1 mile west-northwest of Four Points. 838 Comment
  SD234370  Marah macrocarpa Wayne Law, Jun Hu 2000-4-30 2 Los Angeles Transverse Ranges; San Gabriel Mtns.: Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. 518 Comment
  UCSB9118  Marah macrocarpa Philbrick, Ralph 1955-3-1 Los Angeles South of La Verne in the Puttingstone Dam area, San Jose Mts. 304 Comment
  CHSC46889  Marah macrocarpa var. major Herber G. Baker 1966-4-21 Los Angeles San Clemente Island. Comment
Read comments
May 16 2008
  UCR179686  Marrubium vulgare R. G. Swinney, Dave Larson 1996-8-7 5244 Los Angeles Eastern San Gabriel Mountains., San Dimas Experimental Forest, head of Dry Lake Canyon at 'Dry Lake,' site of CCC camp in 1930s = Browns Flat 1524 Comment
  RSA0042680  Marrubium vulgare Laura Moore, Jean Moore 1999-4-25 033 Los Angeles Pitzer College, Claremont: Northwest section of Outback, approximately 5 yards from western boundary with Harvey Mudd Soccer Field. 350 Comment
  RSA738062  Marrubium vulgare Fran Dourisboure 1966-5-10 s.n. Los Angeles San Rafael Hills. 213 Comment
  UC66831  Marrubium vulgare N. K. Berg 1904-3-29 Los Angeles Los Angeles Boyle Height Comment
  RSA696046  Matricaria suaveolens Kenneth Beard 1934-03 s.n. Los Angeles Beside irrigation ditch on Towner Street. Comment
  RSA144586  Meconella denticulata W. R. Ernst 1957-4-19 158 Los Angeles San Gabriel Canyon: Highway 39. 0.4 mi. S of Rincon Ranger Station. Comment
  RSA755598  Medicago lupulina R. G. Swinney 2008-7-12 9166 Los Angeles San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  RSA708548  Medicago polymorpha Valerie L. Soza, LeRoy Gross 2001-5-9 1190 Los Angeles Southern San Rafael Hills: South of Scholl Canyon, Sleepy Hollow Dr to Valle Vista fire road. 274 Comment
  RSA15348  Medicago polymorpha var. brevispina C. B. Wolf 1926-3-22 s.n. Los Angeles Occidental College Campus, Eagle Rock Comment
  RSA657451  Melaleuca nesophila Robert F. Thorne 1979-5-28 19 Los Angeles Verdugo Mountains Region: Intersection of Haines Canyon Road and Day St., Upper Tujunga 671 Comment
  UCR51901  Melianthus major A. C. Sanders 1988-5-18 7817 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  POM244857  Melica imperfecta F. R. Fosberg 1931-4-22 697 Los Angeles Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island. 200 Comment
  RSA577551  Melica imperfecta L. C. Wheeler 1933-7-4 1896 Los Angeles San Dimas Canyon, San Gabriel Mountains. 534 Comment
  SBBG32065  Melica imperfecta R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -269 Los Angeles upper Swain's (Swain) Cyn Comment
  UC537062  Melica imperfecta P. A. Munz 1934-4-2 13139 Los Angeles Puddington Canyon; San Dimas 304 Comment
  UCSB12229  Melica imperfecta Hochberg, Fred 1961-3-17 Los Angeles North slope 1/2 mile from Middle Ranch into Cape Canyon, Catalina Island Comment
  RSA479528  Melica stricta Steve Boyd, Laura Kopase 1987-6-8 2072 Los Angeles San Gabriel Mtns, 5 miles WNW of Wrightwood in Cedar Canyon near Jct. with Mescal Creek. 1524 Comment
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Sep 17 2014
  RSA0050047  Mentha Wendy Boes, Andrew Wheeler 2009-7-13 2009 -044 Los Angeles San Gabriel Mountains; Crystal Lake Recreation Area, Big Cienega Springs Forest Service RD 3N07.2. 1981 Comment
  POM158119  Mentha X smithiana L. R. Abrams 1902-8-26 2978 Los Angeles Ballona Creek, near Mesmer. Comment
  LA210642  Mentzelia affinis Carl Epling; May 1927 s.n. Los Angeles Tehachapi Mountains. Comment
  RSA158232  Mentzelia laevicaulis David P. Gregory 1961-7-12 471 Los Angeles San Gabriel Mts. Gravelly flats near the stream in canyon bottom; Prairie Fork over the ridge from Wrightwood. Comment
  UCR129412  Mentzelia laevicaulis A. C. Sanders, Mark Elvin 2002-6-20 25251 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  UCSB10559  Mentzelia laevicaulis Gill, Robert 1959-10-4 Los Angeles San Antonio Canyon, San Gabriel Mtns. 1005 Comment
  CAS-BOT-BC167620  Mentzelia veatchiana W. R. Dudley; F. H. Lamb 1896-6-5 4331 Los Angeles Edge of Antelope Valley near Fairmont, Liebre Mountains Comment
  RSA446886  Mentzelia veatchiana Christopher Davidson 1975-5-25 2564 Los Angeles 3.5 mi NE of Old Ridge Route (8N04) on rd 7N23 to Liebre Mtn., ca. 0.1 mi past Sandberg Pk. 1646 Comment
  RSA177688  Mesembryanthemum crystallinum R. F. Thorne, P. Everett 1965-5-11 34571 Los Angeles Base of rocky bluff behind N beach of Little Harbor, Santa Catalina Island Comment
  SEINET2043941 Image available Mesembryanthemum crystallinum Rand C. Isbell 1970-5-10 12 c Los Angeles Found on the Palos Verdes Peninsula on Palos Verdes Drive South, about one-half mile from Marineland. Within 300 ydsx of ocean. 75 Comment
  UC1234698  Mesembryanthemum crystallinum Peter H. Raven 1962-7-11 18008 Los Angeles 1 mi s of Wilson Cove (San Clemente Island); San Clemente Island Comment
  LA51478  Micropus californicus var. californicus Henry J. Thompson; 1959-5-24 2030 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak, 0.5 mi E of peak. 670 Comment
  POM214594  Micropus californicus var. californicus L. C. Wheeler 1932-5-28 784 Los Angeles San Antonio Canyon, below hogback 1280 Comment
  UCR142804  Micropus californicus var. californicus L. C. Wheeler 1967-5-18 9613 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  SBBG126020  Microseris douglasii subsp. douglasii A. Parikh, N. Gale 2010-5-12 3161 Los Angeles 3.5 km S of Hwy 138, 0.4 km W of 120th St W 785 Comment
  SBBG117131  Microseris douglasii subsp. platycarpha S. A. Junak with R. N. Philbrick 2001-5-17 SCa 1527 Los Angeles E of Little Harbor, near Sheep Chute Ridge Rd, ca. 0.5 mi from intersection with Little Harbor Rd 121 Comment
  RSA533932  Microseris heterocarpa Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5227 Los Angeles San Clemente Island: SE end of island terrace 1650ft WNW of Guds, graded by the Navy to form a pad. 201 Comment
  POM246542  Microseris lindleyi F. R. Fosberg 1931-3-27 4403 Los Angeles Hamilton Canyon, near Avalon. Santa Catalina Island. 80 Comment
  POM363443  Microseris lindleyi F. R. Fosberg 1931-3-27 4402 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island, 150 Comment
  RSA0088253  Microseris lindleyi R. G. Swinney 2010-5-25 12959 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  UCR68944  Microseris lindleyi Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4257 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  RSA526610  Microseris lindleyi Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-7 4192 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  SD260285  Mimetanthe pilosa R. G. Swinney 2011-6-15 15198 D Los Angeles San Gabriel Mountains: Chilao Creek, 100m south and north of Chilao Campground. 1573 Comment
  LA32248  Mimulus aurantiacus Peter H. Raven; 1959-5-9 14167 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 274 Comment
  UCR177926  Mimulus aurantiacus LeRoy Gross 2001-5-28 417 Los Angeles Los Angeles Basin region, Verdugo Mountains, northeast side; Start from dead end street Mesa Lila Road, in city of Verdugo City 476 Comment
  HSC20776  Mimulus aurantiacus var. pubescens David Porter 1965-4-22 Los Angeles 0.5 mi. N of Topanga Canyon Blvd., Topanga Canyon, Santa Monica Mtns. 412 Comment
  JEPS23216  Mimulus aurantiacus var. pubescens Rimo Bacigalupi with Reino Alava 1958-7-21 6447 Los Angeles about 2 mi above Red Box Gap (along Angeles Crest National Highway (Calif. No. 2), on s-facing slope of Valley Forge Canyon, tributary of West Fork of San Gabriel River); San Gabriel Mts., Angeles National Forest 1417 Comment
  RSA0080386  Mimulus aurantiacus var. pubescens R. G. Swinney 2010-5-7 12588 Los Angeles Lake View Terrace, Oliver Canyon, 0.85 air miles north of I-210 Fwy., c. 100 meters east of cyn. bottom along private dirt service rd. 463 Comment
  RSA527717  Mimulus aurantiacus var. pubescens Tim S. Ross, Annette H. Ross 1991-3-7 4158 Los Angeles Elephant Hill: western Pomona. 244 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
  UC1211134  Mimulus aurantiacus var. puniceus Huron H. Smith 1912-5-28 5012 Los Angeles Avalon Canyon Santa Catalina Island 182 Comment
  UCR142508  Mimulus aurantiacus var. puniceus Reid Moran 1941-2-26 628 Los Angeles Channel Islands, Johnson's Valley, Santa Catalina Island 200 Comment
  CSUSB1905  Mimulus brevipes Keith Thompson 1969-11-15 Los Angeles Cedar Springs 1158 Comment
  RSA187645  Mimulus cardinalis Robert F. Thorne 1966-9-14 36638 Los Angeles Santa Catalina Island: lower Middle Ranch Canyon, ca. 3/4 mile above Ben Weston Beach 53 Comment
  UCR209860  Mimulus cardinalis R. G. Swinney 2008-7-13 9184 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, east fork of Bell Canyon at debris basin 756 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
  RSA0091507  Mimulus floribundus R. G. Swinney 2011-10-10 15768 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
  UCR271184  Mimulus floribundus R. G. Swinney 2011-9-27 15713 Los Angeles San Gabriel Mountains, Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2384 Comment
  POM38  Mimulus fremontii J. H. Fairchild s.n. Los Angeles Claremont. 366 Comment
  RSA774281  Mimulus guttatus R. G. Swinney 2009-6-8 11083 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA624039  Mimulus johnstonii Arthur R. Kruckeberg 1940-7-7 976 Los Angeles Chilao Flats Comment
  UCR189844  Mimulus rubellus R. G. Swinney 1998-7-14 6455 Los Angeles San Gabriel Mtns., north slope of Pine Mountain Ridge, from high point to Prairie Fork, c. 1 mi. SE of Cabin Flat 2165 Comment
  RSA80487  Mimulus rubellus F. W. Peirson 1923-5-26 3527 Los Angeles Above Rock Creek Divide, north side of San Gabriel Mountains. 2073 Comment
  UC147930  Minuartia douglasii C. F. Baker 1909-5-15 5351 Los Angeles mts. near Claremont Comment
  POM6899  Minuartia douglasii P. A. Munz 1979-4-5 2425 Los Angeles Puddingstone Canon, San Dimas 274 Comment
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Aug 21 2012
  RSA0068237  Mirabilis laevis R. G. Swinney 2010-3-22 12086 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction. 502 Comment
  UCD98114  Mirabilis laevis var. crassifolia Peter B. Young 1959-4-3 31 Los Angeles San Dimas Canyon, 3 miles from U.S. Highway 66. Comment
  RSA611067  Modiola caroliniana Louis C. Wheeler 1970-5-31 s.n. Los Angeles Los Angeles: NW corner of Pico & Figueroa streets. Comment
  UCR141715  Monardella australis subsp. cinerea R. G. Swinney 1997-8-19 5827 Los Angeles Eastern San Gabriel Mountains, San Antonio Peak (= Lookout Mountain), about 100 m N of summit on ridge saddle. 1994 Comment
  LA63048  Monardella breweri subsp. breweri Carl Epling; 1937-5-9 sn Los Angeles Neenach, Antelope Valley Comment
  RSA774165  Monardella breweri subsp. lanceolata R. G. Swinney 2009-7-22 11338 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  UCR256604  Monardella breweri subsp. lanceolata Anuja Parikh, Nathan Gale 2011-7-6 3540 Los Angeles Transverse Ranage; San Gabriel Mountains, along road to Barley Flats, 3.9 km west of Shortcut Station, 1.0 km north of State Hwy 2, Angeles Crest Hwy 1688 Comment
  RSA401602  Monardella linoides subsp. stricta Anstruther Davidson 1893-7-4 1871 Los Angeles Big Rock Creek. Comment
  JEPS63349  Monardella linoides var. stricta Frank W. Peirson 1922-7-5 3160 Los Angeles near Swartout Valley (Le Montaine Creek, n of Big Pines); San Gabriel Mts. 2225 Comment
  CAS-BOT-BC349493  Monolopia lanceolata Le Roy Abrams 1901-4-4 1317 Los Angeles Santa Monica Mts. bordering San Fernando Valley Comment
  UC527621  Mucronea californica C. B. Wolf 1931-7-2 2261 Los Angeles 1/2 mi above bridge on the road from Sunland to San Fernando; Little Tujunga Wash 335 Comment
  RSA618663  Muhlenbergia asperifolia LeRoy Gross 1998-9-27 68 Los Angeles Liebre Mtns. Fish canyon.: Elizabeth lake canyon road to warm springs road ,west 7 miles to cienaga campground. to trail up into fish canyon. 883 Comment
  CAS-BOT-BC262695  Muhlenbergia californica Victor Duran 1933-8-11 3546 Los Angeles South Fork Big Rock Creek, San Gabriel Mts. 1600 Comment
  CAS-BOT-BC262697  Muhlenbergia californica John C. Roos 1951-7-30 5075 Los Angeles Big Rock Creek, north of Mt. Baden Powell, San Gabriel Mts. 1981 Comment
  RSA78219  Muhlenbergia californica J. C. Roos 1951-7-30 5075 Los Angeles Big Rock creek, north of Mt. Baden Powell, San Gabriel Mountains. Alt. 6500 ft. Comment
  SBBG108156  Muhlenbergia microsperma S. L. Crockett, S. A. Junak, M. L. Hoefs, J. Takara 1997-3-28 623 Los Angeles N side of Cherry Harbor, overlooking mud flats, ca. 20-30 m upslope 42 Comment
  UCR216380  Muhlenbergia microsperma Dan S. Cooper 2010-4-19 0410- 51 Los Angeles Western Transverse Range; eastern Santa Monica Mtns., trail between Mt. Hollywood and the observatory, Griffith Park 410 Comment
  UCR276799  Muhlenbergia microsperma R. G. Swinney 2011-3-29 14240 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
  UC934034  Muhlenbergia rigens H. L. Cogswell 1951-5-8 96 Los Angeles small valley 2/3 mi n San Dimas Foothill County Park (small flat at brink (se-facing) of dry stream bed) 441 Comment
  UCR150905  Muilla maritima Valerie Soza, Kent Hughes 1999-6-17 554 Los Angeles Transverse Ranges; San Gabriel Mountains, Upper Winter Creek Trail, above San Olene Canyon 1296 Comment
  RSA549195  Muilla maritima Timothy S. Ross, Peter Fritsch 1990-6-20 3682 Los Angeles Ridgetop between Roberts Canyon and W Fork San Gabriel River. 1255 Comment
  SBBG16417  Nama demissa D. Myrick 1962-4-10 496 Los Angeles Hwy 6, 2 mi E of Palmdale 822 Comment
  RSA578714  Nama demissa Tim S. Ross, J. Mark Porter 1994-5-1 7609 Los Angeles Southwestern Mojave Desert: open desert, ca 1740 m S of Black Butte and 1000m W of Three Sisters Buttes. 945 Comment
  PASA2104  Nama parryi Margaret Stason 1931-5-13 Los Angeles Chilao, San Gabriel Mts. Comment
  RSA565755  Nandina domestica Mike Hammitt, Jason Rick 1991-6-25 s.n. Los Angeles Arroyo Seco Canyon; between Gould Mesa Picnic area and Oakwilde Picnic area Comment
  POM1036B  Nassella cernua I. M. Johnston 1917-6-10 1300 Los Angeles Near Mesmer. 30 Comment
  RSA668291  Nassella cernua Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-3 80 Los Angeles San Clemente Island. Comment
  RSA702538  Nassella cernua Scott D. White 2004-5-5 10285 Los Angeles Bald Mtn. area, west of Old Ridge Route. 1280 Comment
  UC589657  Nassella pulchra Nell Murbarger March 1936 54 Los Angeles e side meadows up to mesa summit; San Clemente Island Comment
  SFV17910  Nasturtium officinale S. Kimball 1999-4-30 63 Los Angeles Pasadena, Arroyo Seco. Trail along stream. Side channel of Arroyo Seco between the Colorado Street Bridge and parking lot. 250 Comment
  POM129401  Navarretia atractyloides R. L. Pendleton 1909-7-3 1392 Los Angeles Chicken John's Ranch, Santa Catalina Island. 23 Comment
  UC187680  Navarretia hamata subsp. leptantha Katharine Brandegee May 17 1916-May 25 1916 Los Angeles Santa Catalina Island Comment
  JEPS123340  Navarretia setiloba David Gowen with Leigh Johnson 2010-5-12 1109 Los Angeles Near vernal pool above Plum Canyon Road (dirt), west of Sierra Hwy and Arlene Road. Comment
  RSA778748  Nemacladus pinnatifidus Orlando Mistretta, Christine Mistretta 2010-6-3 5246 Los Angeles Mill Creek Canyon, 1.80 miles SW of Mill Creek Summit, along Southern California Edison transmission line corridor. 1372 Comment
  RSA439271  Nemacladus sigmoideus Robert Gustafson 1982-4-26 2028 Los Angeles Mojave Desert, Fort Tejon Road, about 1 mile W of the junction of 121st St 1006 Comment
  RSA659944  Nemacladus sigmoideus Orlando Mistretta 1992-5-18 354 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  RSA775512  Nemacladus sigmoideus Orlando Mistretta, Christine Mistretta 2010-5-20 5173 Los Angeles San Gabriel Mountains region: Aliso Creek, slopes W of Angeles Forest Hwy., 0.6 miles S of jct. with Aliso Cyn. Rd. 1280 Comment
  UCR193675  Nemacladus sigmoideus R. G. Swinney 1999-6-28 7438 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, near old [abandoned] homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  RSA0098372  Nemophila menziesii subsp. integrifolia R. G. Swinney 2011-6-6 14995 Los Angeles San Gabriel Mountains: Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  RSA757334  Nemophila menziesii var. integrifolia Orlando Mistretta, Christine Mistretta 2008-4-3 2271 Los Angeles Transverse Ranges; Liebre Mountains region: Southern California Edison transmission line tower (Segment 5, Structure 62, per TRTP survey 2008) just North of State Hwy 14 in the vicinity of Soledad Pass. Comment
  RSA421305  Nemophila menziesii var. menziesii Edwin Kline 1925-4-26 s.n. Los Angeles Arroyo Seco, San Gabriel Mountains. Comment
  RSA199039  Nemophila pedunculata W. M. Gauntt 1966-4-16 146 Los Angeles Glendora Mt. Road, 1/2 mi past fork to Mt. Baldy. 915 Comment
  RSA0060115  Nicotiana clevelandii F. W. Peirson 1091 Los Angeles Ballona, coast of Los Angeles Co. Comment
  CAS-BOT-BC231560  Nicotiana glauca Timothy S. Ross; J. Mark Porter; Gery Allan; Vanessa Ashworth; Darin Banks; Megan Tommerup 1994-3-28 7420 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; un-named horseshoe-shaped canyon to the NE of upper Forrestal Drive 173 Comment
  RSA0036803  Nicotiana glauca Louis Van Velzen 1987-5-23 87 -21 Los Angeles Walnut Creek Co. Pk., west of San Dimas, on trail between Scarborough St. and 210 Fwy. Comment
  RSA426753  Nicotiana obtusifolia Anstruther Davidson 1924-3-24 s.n. Los Angeles Tujunga trail; 1.5 mi. north of Switzer. Comment
  SEINET10696863  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3948 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  RSA69944  Nitrophila occidentalis F. W. Peirson 1924-10-19 5229 Los Angeles Clearwater. Comment
  UCR210339  Nothoscordum gracile A. C. Sanders, Lorraine Weller, Alejandra Martinez B. 2009-9-16 37189 Los Angeles Los Angeles Basin Region, Los Angeles, Watts area, Bouganvilla Community Garden, East 103rd St. at Grape St. 33 Comment
  UCR210007  Ocimum R. G. Swinney 2008-12-2 9920 Los Angeles San Gabriel Mtns., mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east 177 Comment
  CAS-BOT-BC167063  Oenothera californica J. H. Thomas 1949-4-24 476 Los Angeles Five miles south of Lancaster, western Mojave Desert Comment
  CAS-BOT-BC167068  Oenothera californica E. E. Morse 1940-5-19 s.n. Los Angeles [Mohave] Mojave Desert between Palmdale and Piute Butte Comment
  POM355613  Oenothera deltoides subsp. deltoides Unspecified 1906-06 s.n. Los Angeles Lancaster. Comment
  UC1007117  Oenothera elata subsp. hirsutissima P. A. Munz 1936-7-1 14178 Los Angeles Claremont Comment
  RSA670438  Oenothera micrantha I. W. Clokey 1929-04 4458 Los Angeles Mandeville Canyon, Santa Monica Mts. 350 Comment
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Jan 1 2012
  POM9739  Oenothera speciosa P. A. Munz 1921-05 4560 Los Angeles Between Chino & Pomona. 274 Comment
  CATA3077  Oligomeris linifolia Amy Catalano, Steven Junak 2016-4-27 088 Los Angeles Santa Catalina Island: Along main ridge running to West Point, south facing slope 140 Comment
  SBBG127253  Oncosiphon piluliferum S. Boyd 2006-5-11 11659 Los Angeles alluvial fan below San Antonio Cyn, along N margin of the W-bound 210 Freeway at Monte Vista/Baseline Ave off-ramp 488 Comment
  SEINET9037784 Image available Opuntia M. A. Baker, Michelle Cloud-Hughes 2015-1 18406 Los Angeles Claremont, 300m south of the SE base of Indian Hill 394 Comment
  POM317873  Opuntia basilaris var. brachyclada Lyman Benson 1969-4-18 s.n. Los Angeles Intersection of Los Angeles County Route N4 and the road from Wrightwood to Pear Blossom above the Mojave desert. San Gabriel Mountains 1371 Comment
  POM317748  Opuntia ficus-indica David Walkington 1963-6-20 183 Los Angeles Southwest of Walnut Ave., 0.2 mi N of Puddingstone Rd., San Dimas. 305 Comment
  CAS-BOT-BC58027  Opuntia vaseyi Joseph Andorfer Ewan 1937-8-15 10973 Los Angeles Field redacted by CAS, contact the data manager for more information 518 Comment
  RSA0076172  Orobanche bulbosa Timothy S. Ross, Steve Boyd 1990-5-23 2628 Los Angeles Mt. Gleason area: north-northwesterly ridge descending from Messenger Peak (6015 ft), on the watershed divide between Mill Canyon and Moody Canyon. 1524 Comment
  RSA82088  Orobanche bulbosa Raymond J. Dobbs 1927-6-29 7681 Los Angeles trail to Strawberry Peak, from Switzer's, San Gabriel Mtns. 1372 Comment
  RSA0078632  Orobanche californica subsp. feudgei F. W. Peirson 1929-7-1 8435 Los Angeles Aliso Creek, San Gabriel Mts. 1584 Comment
  RSA0084144  Orobanche californica subsp. feudgei Albert J. Perkins 1919-5-30 s.n. Los Angeles Big Rock Creek. Comment
  UC303472  Orobanche fasciculata I. M. Johnston 1917-7-30 1556 Los Angeles San Antonio Mountains, Cucamonga Peak. Comment
  CATA320  Orobanche fasciculata Mark L. Hoefs, A. Douglas Propst 1973-6-5 348 Los Angeles Santa Catalina Island: South-facing slope of Mt. Orizaba, above Sweetwater 457 Comment
  UCR128015  Orobanche parishii subsp. parishii Mark A. Elvin 2003-8-13 2980 Los Angeles NE end of the Santa Susana Mtns., Newhall Ranch, Potrero Canyon south of Potrero Creek 360 Comment
  RSA407981  Orthocarpus purpurascens A. C. Johnston 1907-03 3461 Los Angeles Garvanza Comment
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Nov 25 2011
  RSA402059A  Orthocarpus purpurascens Louis C. Wheeler 1932-5-17 720 Los Angeles Santa Monica Mountains: Garapito Creek. 305 Comment
  POM4365  Orthocarpus purpurascens var. pallidus Florence M. Bowes 1905-5-5 8 Los Angeles Claremont. 400 Comment
  POM217111  Osmadenia tenella L. C. Wheeler 1932-6-4 799 Los Angeles Live Oak Canyon 518 Comment
  UCD110765  Oxalis corniculata R. R. Jeffries 1931-9-18 2265 Los Angeles Van Nuys. Comment
  UCD110779  Oxalis corniculata C. W. Tilforth 1970-1-18 244 Los Angeles Residence in Piedmont Mesa, Clarement. Comment
  UCR258734  Oxalis pes-caprae R. G. Swinney 2010-3-16 11929 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
  UC2026461  Oxytheca caryophylloides Louis C. Wheeler 1968-5-30 s.n. Los Angeles SAN GABRIEL MOUNTAINS: Devil's Canyon, depression on bench NE of Campground. Comment
  RSA640176  Oxytheca parishii Louis C. Wheeler 1964-11-6 8645 Los Angeles San Gabriel Mountains: Cortelyou Springs, Angeles Crest Highway at Crystal Lake turnoff. Comment
  RSA712539  Oxytheca parishii var. parishii June Latting, T. Hanes 1977-10-15 s.n. Los Angeles Fuelbreak below Chilao Flat, Angeles Crest. 1659 Comment
  LA50665  Paeonia californica Carl Epling; 1941-2-15 sn Los Angeles SANTA MONICA MOUNTAINS, Mulholland Drive near Beverly Glen Blvd. 380 Comment
  RSA0083118  Paeonia californica R. G. Swinney 2010-3-10 11839 Los Angeles FS Road 3N59 (Santa Clara Truck Trail), west of Whitney Canyon, 0.2-0.5 mi. ESE of ride-share parking lot at Hwy 14 and Newhall Ave. 470 Comment
  RSA670716  Paeonia californica Bonnie C. Templeton 1969-5-5 11376 Los Angeles Near road to Malibu Lake, so. of Ventura Blvd. Alt: 900 ft. 274 Comment
  RSA177762  Parapholis incurva R. F. Thorne, P. Everett 1965-5-11 34542 Los Angeles Santa Catalina Island. Salt flat N of Catalina Harbor. Comment
  UC625124  Parapholis incurva F. R. Fosberg 1931-4-3 S 4476 Los Angeles Pebble Beach Santa Catalina Island (Santa Catalina Island); , Pebble Beach 2 Comment
  SBBG20508  Parietaria hespera var. californica E. R. Blakley 1963-12-8 6391 Los Angeles head of cyn above Mosquito Cove and between Triangulation Pts Malo and Chenity Comment
  SBBG36277  Parietaria hespera var. californica S. A. Junak with K. Kirkland 1998-5-2 SCa 652 Los Angeles near top of coastal bluffs, ca. 1 air mi W of East Pk at end of ridge SW of Pk 1245 228 Comment
  SFV21433  Parietaria hespera var. californica L. Moore, R. Burchet, L. Gross, D. Zygielbaum 2000-6-8 47 Los Angeles Verdugo Mountains La Tuna Canyon Park. Off La Tuna Canyon Road on Santa Monica Mountains Conservancy Land. 659 Comment
  RSA527653  Parietaria hespera var. hespera Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-4-8 4372 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  SD187488  Parietaria judaica R. E. Riefner Jr. 2007-3-10 07 108 Los Angeles City of San Pedro, Cabrillo Beach marina, Whalers Walk St. at Via Cabrillo Marina Dr. Berth 28 3 Comment
  CATA1509  Paspalum dilatatum Mark L. Hoefs, Steven A. Junak 1996-7-9 2722 Los Angeles Santa Catalina Island: By bunkhouse at Middle Ranch, Middle Canyon 207 Comment
  RSA187958  Paspalum dilatatum R. F. Thorne 1966-6-1 36486 Los Angeles Santa Catalina Island: site of razed St. Catherine's Hotel, N of Avalon. 5 Comment
  UC1114564  Pectocarya linearis subsp. ferocula Peter H. Raven 1958-3-23 11966 Los Angeles 4.3 mi s Pearblossom (above Big Rock Creek) Comment
  RSA527768  Pectocarya linearis subsp. ferocula Steve Boyd, Tim Ross, Laurel Arnseth 1990-4-8 4331 Los Angeles San Clemente Island: E side of island, Bryce Cyn near Malo Point. Comment
  UCR190418  Pectocarya penicillata R. G. Swinney 2001-4-18 7890 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap, east of Bobs Gap Road at base of ridge 1223 Comment
  POM368775  Pectocarya penicillata Frances Runyan 1973-4-15 34 Los Angeles 10-15miles SW of Gorman on mostly dirt road toward Piru Crek 1067 Comment
  SEINET7062860  Pectocarya pusilla A. G. Vestal 1947-4-8 s.n. Los Angeles East of Littlerock on the Pearblossom Highway. (WGS84/NAD83). UTM Zone 11, 410587mE, 3820401mN. 887 Comment
  RSA586631  Pectocarya recurvata T. S. Ross, Steve Boyd 1991-3-23 4269 Los Angeles Lovejoy Buttes, on the Mojave Desert: NE portion of the main buttes, west of Lovejoy Springs (destroyed by development 926 Comment
  UCR154235  Pectocarya setosa A. C. Sanders, T. B. Salvato 2005-5-24 30259 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon NW of community of Mint Canyon, tributary of Santa Clara River 518 Comment
  RSA584876  Pectocarya setosa T. S. Ross, Steve D. Boyd 1990-6-1 2789 Los Angeles Lower Moody Canyon: 1.9 (road) miles N of Magnetic Springs along Moody Truck Road 957 Comment
  SBBG20543  Pellaea andromedifolia E. R. Blakley 1963-12-7 6343 Los Angeles shallow cyn sloping to ocean, 200 ft N of Lighthouse, N of Pyramid Head 53 Comment
  SFV68  Pellaea andromedifolia K. A. Wilson 1961-2-18 855 Los Angeles Santa Monica Mountains Mulholland Highway, 0.5 miles west of Sulfur Hot Springs. Small valley with running stream. Comment
  UCR258925  Pellaea andromedifolia R. G. Swinney 2010-5-7 12612 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, 150 m to 0.2 miles west of I-210 Fwy. overpass along Haines Canyon stream channel/ south fork of Big Tujunga Wash 357 Comment
  UCR219904  Pellaea mucronata R. G. Swinney 2009-4-17 10383 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa, San Gabriel Canyon wash, 0.1-0.5 mi. west of San Gabriel River Bike path parking lot, at Azusa Canyon Rd (Hwy 39), c. 0.6 mi. north of Sierra Madre Ave. 221 Comment
  RSA229092  Pellaea mucronata subsp. californica R. F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38864 Los Angeles N facing slope above Angeles Crest Hwy N & below Lily Spring at headwater of S fork Big Rock Creek 2317 Comment
  RSA615526  Pellaea mucronata subsp. californica L. C. Wheeler 1966-8-21 8821 Los Angeles San Gabriel Mts., Angeles National Forest: Bear Canyon off W frks. San Gabriel River at Angeles Crest Hwy at Jarvi Memorial area Comment
  UCR48937  Pennisetum clandestinum A. C. Sanders 1987-7-22 7157 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  RSA0055991  Pennisetum setaceum Richard G. Swinney 2010-3-16 11926 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
  SBBG118807  Penstemon centranthifolius G. D. Wallace with M. Wallace 1983-5-20 2073 Los Angeles Aliso Cyn rd between Acton and Angeles Nat Forest Hwy Comment
  SFV18224  Penstemon centranthifolius M. Danielczyk 2001-5-16 35 Los Angeles San Gabriel Mountains Highway 2, mile marker 43.17. 1450 Comment
  UCR116294  Penstemon centranthifolius B. G. Pitzer 1998-5-12 3712 Los Angeles Western Mojave Desert, Hwy 138 (Palmdale Hwy), c. 1 mi. west of the San Bernardino County line 1171 Comment
  POM128325  Penstemon grinnellii subsp. grinnellii George B. Grant 4594 Los Angeles Mt. Wilson. Comment
  RSA408046  Penstemon grinnellii subsp. grinnellii Bonnie C. Templeton 1932-6-19 4941 Los Angeles Big Pines Park, San Gabriel Mountains. 2092 Comment
  UC193807  Penstemon heterophyllus var. australis Samuel B. Parish June 1886 1885 Los Angeles Elizabeth Lake Elizabeth Lake (Southern California) Comment
  RSA407916  Penstemon heterophyllus var. australis Slocum 1949-6-10 4248 Los Angeles Los Padres National Forest. 457 Comment
  NY604279  Penstemon labrosus G. B. Grant 1902-6-10 573 Los Angeles Summit of Mount Wilson Comment
  RSA0098618  Penstemon labrosus R. G. Swinney 2011-9-27 15717 Los Angeles San Gabriel Mountains: Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2354 Comment
  RSA700487  Penstemon labrosus LeRoy Gross, Paul Morton 2004-6-9 1357 Los Angeles West end of the main crest; From the Pacific Crest Trail (from the south) along road (7N23) pass the second Pacific Crest Trail that exits off north of the road., Finish near the NW corner of section 3 and started at the west end of section 12, west of Bear Gulch Camp. About a 4 mile hike from east to west (This for the Angeles National Forest road surveys.) 1732 Comment
  UCR272617  Penstemon labrosus R. G. Swinney 2011-8-5 15592 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
  UCR141588  Penstemon rostriflorus June Latting 1978-9-16 s.n. Los Angeles San Gabriel Mountains, Throop Peak Trail 2409 Comment
  RSA0070817  Pentagramma triangularis T. S. Ross, Steve Boyd 1990-5-31 2742 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  RSA0059337  Pentagramma triangularis F. W. Peirson 1919-12-2 1502 Los Angeles West fork of Rubio Canyon, south base of San Gabriel Mts. 655 Comment
  RSA0060341  Pentagramma triangularis L. C. Wheeler 1967-5-18 9623 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  UC62737  Pentagramma triangularis subsp. triangularis Geo. B. Grant 1901-1 530 Los Angeles Old Wilson Trail Comment
  RSA0066307  Pentagramma viscosa George B. Grant, Walter Wheeler 1904-4-25 3350 Los Angeles Santa Catalina Island. Comment
  UCR203251  Perideridia gairdneri R. G. Swinney 2001-8-27 8121 Los Angeles San Gabriel Mountains, Windy Spring, 0.3 mi northwest of Little Jimmy Campground 2256 Comment
  SEINET187039  Perityle emoryi F. R. Fosberg 1931-4-3 S 4463 Los Angeles Pebble Beach Road Santa Catalina Island. 5 Comment
  RSA0021425  Perityle emoryi C. Epling 1931-5-12 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mtns. Comment
  RSA92222  Perityle emoryi F. W. Peirson 1907-7-1 1368 Los Angeles Catalina Island. Comment
  CAS-BOT-BC419004  Persicaria lapathifolia Timothy S. Ross; Steve Boyd 1994-9-21 8335 Los Angeles Liebre Mountains. Cow Spring Pond: sag pond on the San Andreas Fault Zone at the N foot of Liebre Mtn and on the S side of West Oakdale Canyon Road, ca 100 m W of the Cow Spring Canyon drainage 1155 Comment
  JEPS8636  Petalonyx thurberi subsp. thurberi Rimo Bacigalupi 1952-8-8 3897 Los Angeles 2.1 mi w Soledad Canyon road junction with Agua Dulce Canyon road (in wash of Bee Creek, a tributary of Soledad Creek in Soledad Canyon); Soledad Canyon, Soledad Creek, Bee Creek 525 Comment
  UCSB32678  Phacelia affinis Faraday, Christopher 1978-5-18 Los Angeles Frontage Road 1 mile north of Hungry Valley Road offramp of Highway 5 914 Comment
  UC212518  Phacelia austromontana I. M. Johnston 1917-7-28 1592 Los Angeles N. Fk. San Antonio Canyon San Antonio Mountains 2316 Comment
  RSA427577  Phacelia brachyloba L. E. Hoffman 1927-8-19 s.n. Los Angeles Clear Creek, Angeles National Forest. Comment
  RSA442300  Phacelia brachyloba L. E. Hoffman 1933-7-10 s.n. Los Angeles Coldwater Canyon (near Colby's Ranch) Sierra Madre Mountains Comment
  POM127646  Phacelia cicutaria var. hispida R. L. Pendleton 1909-7-2 1364 Los Angeles Santa Catalina Island. Road east of Avalon. 9 Comment
  UCR205082  Phacelia cicutaria var. hispida R. G. Swinney 2008-4-10 8629 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lodi Canyon, west of San Dimas Reservoir 463 Comment
  UCR280771  Phacelia cicutaria var. hispida R. G. Swinney 2014-5-19 16586 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
  UCSB11633  Phacelia cicutaria var. hispida Wisehart, Karen 1962-4-19 Los Angeles South end of Louise Street, Encino 213 Comment
  SD231329  Phacelia cryptantha Sula Vanderplank, LeRoy Gross & Steve Hoskinson. 2005-5-6 50506 5 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
  UCR280895  Phacelia cryptantha R. G. Swinney 2014-5-7 16410 Los Angeles San Gabriel Mountains, near town of Ravenna, 0.3 miles east of Stonecross, c. 0.7 miles south of Soledad Cyn. Road, c. 0.5 mile east of Mill Cyn., unnamed N-S oriented cyn. between Bootleggers Cyn. and Mill Cyn. 793 Comment
  UCR190362  Phacelia curvipes R. G. Swinney 2001-6-16 7978 Los Angeles San Gabriel Mtns., Juniper Hills, top of Pleasant View Ridge, south of intersection of 104th St. E and Juniper Hills Rd. 2006 Comment
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Mar 12 2017
  UCR189724  Phacelia davidsonii R. G. Swinney 1998-7-10 6377 Los Angeles San Gabriel Mtns., Prairie Fork, near Cabin Flats Campground 1622 Comment
  UCR276882  Phacelia davidsonii R. G. Swinney 2011-6-7 15087 Los Angeles San Gabriel Mountains, summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory 1780 Comment
  SBBG64893  Phacelia distans R. Hoffmann 1925-5-15 Los Angeles Mint Cyn Comment
  RSA571536  Phacelia distans Steve Boyd 1994-4-29 8299 Los Angeles Side draw on northeastern side of Mt. Emma, Santiago Canyon drainage. 1158 Comment
  RSA576475  Phacelia distans Tim S. Ross 1992-6-15 6562 Los Angeles Whittier Hills: Upper end of Turnbull Canyon. 284 Comment
  RSA0089513  Phacelia fremontii R. G. Swinney 2011-4-20 14424 Los Angeles Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 miles upstream in Hunt Cyn. 1220 Comment
  UC672352  Phacelia fremontii Margaret Stason 1927-5-14 Los Angeles Pinon Ridge San Gabriel Mts. Comment
  UCR222764  Phacelia fremontii R. G. Swinney 2009-5-12 10751 Los Angeles Transverse Range; San Gabriel Mtns., lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg. ) of Littlerock 1088 Comment
  RSA264292  Phacelia fremontii J. C. Roos 1937-5-31 668 Los Angeles Wrightwood Comment
  RSA426160  Phacelia fremontii Louis C. Wheeler 1932-4-10 601 Los Angeles Portal Ridge 8 mi. W Palmdale. 1037 Comment
  UC1181202  Phacelia grandiflora P. C. Everett and E. K. Balls 1959-6-2 23854 Los Angeles 0.5 mi n jct. of Mulholland Drive and road to Backus; Santa Monica Mountains 609 Comment
  UC57032  Phacelia grandiflora Ernest Braunton 1901-6-18 76 Los Angeles W. Sherman Canyon Comment
  RSA425038  Phacelia grandiflora Kathy Harper 1987-5-2 s.n. Los Angeles Santa Monica Mountains, Mulholland Hwy between Las Virgenes Valley overlook and Yerba Buena Rd. Comment
  SBBG27171  Phacelia hastata V. Duran 1933-7-25 3533 Los Angeles Buckhorn 1981 Comment
  RSA428006  Phacelia imbricata Fay A. MacFadden 1931-4-10 2932 Los Angeles Tuna Canyon. Verdugo Hills. Comment
  RSA660187  Phacelia imbricata subsp. imbricata Orlando Mistretta 1992-7-9 651 Los Angeles Transverse Ranges; San Gabriel Mountains region: Colby Creek Canyon Trail. Tujunga Ranger District. Comment
  RSA587258  Phacelia longipes Orlando Mistretta 1994-5-13 1209 Los Angeles San Gabriel Mts, Little Rock Creek. 1067 Comment
  UCR205590  Phacelia longipes R. G. Swinney 2008-5-13 8869 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, South Fork Trail 0.7 mi. east of Holcomb Canyon 1512 Comment
  RSA0076147  Phacelia longipes LeRoy Gross 1999-6-5 161 Los Angeles San Gabriel Mountains. Along Rattlesnake trail, just above (east) of the Burkhart Trail along upper Little Rock Creek. 1707 Comment
  CATA1161  Phacelia lyonii Mark L. Hoefs 1995-5-30 2154 Los Angeles Santa Catalina Island: Ben Weston Beach 4 Comment
  UC1587616  Phacelia minor Tim Ross 1991-4-21 4523 Los Angeles just sw old water tank; Whittier Hills (Puente Hills, pro parte), Middle Turnbull Ca 219 Comment
  POM8027  Phacelia minor M. E. Churchill 1920-3-1 3333 Los Angeles Claremont, Field N of high school Comment
  JEPS14732  Phacelia parryi Rimo Bacigalupi with George W. Gillett 1954-3-13 4378 Los Angeles along US Hwy 101A 1/2 mi e Arroyo Sesquit crossing (bridge) (westernmost Los Angeles Co.); seaward base of Santa Monica Mountains Comment
  LA46948  Phacelia parryi Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  SBBG122082  Phacelia platyloba A. Parikh, N. Gale 2003-5-2 1743 Los Angeles 0.75 km N of jct of Interstate 5 and Magic Mtn Parkway, N of Santa Clara River 360 Comment
  RSA428168  Phacelia ramosissima var. austrolitoralis F. R. Fosberg 1931-8-30 5613 Los Angeles El Segundo. 10 Comment
  RSA648047  Phacelia ramosissima var. latifolia Orlando Mistretta 1992-7-17 729 Los Angeles San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District. Comment
  RSA660095  Phacelia ramosissima var. ramosissima Orlando Mistretta 1992-6-12 545 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  RSA1074  Phacelia viscida J. T. Howell 1928-6-29 997 Los Angeles Seminole Hot Springs Road, Santa Monica Mountains 457 Comment
  CATA730  Phalaris aquatica Mark L. Hoefs 1991-5-18 1243 Los Angeles Santa Catalina Island: Upper Middle Canyon, near Edison pump station 344 Comment
  POM356910  Phalaris canariensis F. R. Fosberg 1931-4-3 S 4474 Los Angeles Santa Catalina Island, Pebble [Pebbly] Beach. 2 Comment
  SD69576  Phalaris canariensis Robert F. Thorne 1966-6-1 36481 Los Angeles Santa Catalina Island, roadside weed opposite Bird Park, Avalon 29 Comment
  UC205648  Phalaris lemmonii I. M. Johnston 1917-4-11 Los Angeles Nigger Slough [Laguna Dominguez] Comment
  SBBG13004  Phalaris minor E. R. Blakley 1962-10-4 5408 Los Angeles SE side of the Isthmus Cove 1 Comment
  RSA435580  Pholisma arenarium H. E. Hasse, Anstruther Davidson 1906-6-6 1499 Los Angeles Big Rock Creek Comment
  LA81943  Pholistoma auritum O. H. Kappler; 1941-5-8 249 Los Angeles Santa Monica Mountains, upper Zuma Canyon, near summit of Mulholland Hwy 609 Comment
  UC284096  Pholistoma auritum S. B. Parish 1919-4-19 19262 Los Angeles Lone Hill near San Dimas; Lone Hill Comment
  RSA459247  Pholistoma auritum Robert M. Perkins 1936-3-16 s.n. Los Angeles Santa Monica Mts. Comment
  RSA708660  Pholistoma auritum var. auritum Valerie L. Soza, LeRoy Gross, Bill Hogshead 2001-4-26 1184 Los Angeles Northwestern edge of Verdugo Mts, north of La Tuna Canyon. Near junction of Green Verdugo Fire Road from 210 Fwy and road to Green Verdugo Reservoir. 473 Comment
  RSA590063  Pholistoma membranaceum Orlando Mistretta 1994-3-30 991 Los Angeles Little Rock Creek, east of creek below Little Rock Dam 1006 Comment
  RSA459314  Pholistoma racemosum Bonnie C. Templeton 1968-2-25 11383 Los Angeles North slope of bank near the bottom of a canyon. Near the Isthmus, Santa Catalina Is. Comment
  SBBG97024  Pholistoma racemosum S. Boyd with T. Ross, L. Arnseth 1990-4-8 4407 Los Angeles Bryce Cyn near Malo Pt Comment
  CAS-BOT-BC134959  Phoradendron bolleanum James R. Shevock 1976-4-24 5018 Los Angeles along Big Pines highway toward Valyermo. East slope of the San Gabriel Mts., Angeles National Forest 1249 Comment
  RSA309526  Phoradendron pauciflorum James R. Shevock 1976-4-24 5016 Los Angeles Along Big Pines Highway in the vicinity of Apple Tree Campground, San Gabriel Mountains, Angeles National Forest. 1524 Comment
  UCR258617  Phoradendron tomentosum R. G. Swinney 2010-9-13 13808 Los Angeles San Gabriel Mountains, Crystal Lake, within 100 m of shoreline 1691 Comment
  RSA585948  Phoradendron villosum Tim S. Ross, Steve D. Boyd 1990-5-23 2625 Los Angeles San Gabriel Mountains, Mt. Gleason Area: north-northwesterly ridge descending from Messenger Peak (6015 ft), near the headwaters of Mill Canyon and Moody Canyon 1646 Comment
  POM78644  Phyla lanceolata Robert M. Perkins 1912-10-15 s.n. Los Angeles Newpor Bay. Comment
  NY43178  Phyllospadix scouleri J. B. Walker 1995-6-7 1442 Los Angeles Santa Catalina Island, S end of Little Harbor Beach Comment
  SD232255  Pickeringia montana var. montana V. Soza, LeRoy Gross 2001-5-22 1245 Los Angeles Transverse Ranges, San Gabriel Mountains region: Just above northern boundary of Morgan Fire 2000 area, headwaters of Morgan Canyon, ca. 500 feet south of Bluebird Motorway, WNW of Sycamore Flat. 808 Comment
  UCR214600  Picris echioides A. C. Sanders, Dan S. Cooper 2010-4-30 38125 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA522981  Pinus halepensis T. S. Ross, Orlando Mistretta 1990-10-24 3287 Los Angeles San Gabriel Mountains: Cape Horn Management Area, Angeles National Forest. Ca 1/4 air-mile SSW of Camp Oak Grove along Upper Monroe Road. 524 Comment
  RSA250447  Pinus jeffreyi Robert F. Thorne, J. Dourley 1967-10-3 37291 Los Angeles Mt. Baden Powell, just south of peak 2851 Comment
  RSA588701  Pinus monophylla Orlando Mistretta 1995-7-12 1902 Los Angeles Little Rock Creek, vicinity of Basin Campground 1052 Comment
  RSA605500  Pinus monophylla L. C. Wheeler 1968-5-27 s.n. Los Angeles San Gabriel Mountains: Alimony Ridge. 1494 Comment
  RSA628322  Pinus monophylla L. C. Wheeler 1970-7-24 s.n. Los Angeles San Gabriel Mountains: Crystal Lake Recreation Area; Pinyon Ridge; Pinyon Trail. 1768 Comment
  UCR191678  Pinus sabiniana T. B. Salvato, Renee Galeano-Popp 2008-4-25 3340 Los Angeles Transverse Range; Northwestern San Gabriel Mountain Foothills/Mojave Desert, south of Hwy 138, southeast of the end of 300th St. West, wash below the mouth of Horse Camp Canyon 939 Comment
  LA82363  Piperia cooperi O. H. Kappler; 1941-5-5 239 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  POM365991  Piptatherum miliaceum Robert Gustafson 1981-5-15 2221 Los Angeles Ballona Wetlands, Area 3. Comment
  RSA0116482  Piptatherum miliaceum R. G. Swinney 2010-5-25 12947 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  CAS-BOT-BC71791  Pityrogramma triangularis var. viscosa L. R. Abrams; I. L. Wiggins 1931-7-6 348 Los Angeles Vicinity of Mosquito Harbor Comment
  RSA517845  Plagiobothrys arizonicus Steve Boyd 1986-3-30 1494 Los Angeles Mojave Desert: Highway 18, 0.5 miles east of junction with Hwy 138, NE of Pinyon Hills. Comment
  POM368859  Plagiobothrys canescens var. catalinensis F. R. Fosberg 1931-4-6 696 Los Angeles Eagles Nest, Middle Ranch Canyon, Santa Catalina Island 180 Comment
  SD69019  Plantago coronopus Robert Thorne, D. Propst 1968-5-28 37654 Los Angeles Santa Catalina Island: moist ground along small stream in central part of Bulrush Canyon; 244 Comment
  POM246421  Plantago erecta F. R. Fosberg 1931-3-20 S- 4317 Los Angeles Santa Catalina Island. Hamilton Canyon near Avalon. 2 Comment
  RSA187805  Plantago erecta Robert F. Thorne 1966-4-6 35907 Los Angeles Santa Catalina Island: small reservoir N of Catalina Airport. 436 Comment
  UCSC011206  Plantago erecta Adam Searcy 2015-2-10 66 Los Angeles Val Verde Comment
  UCR131403  Plantago indica Alison Lipman 1998-6-2 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  SFV21471  Plantago lanceolata L. Gross 2001-5-28 415 Los Angeles Verdugo Mountains Northeast side of mountains. Start from dead end street (Mesa Lila Road) in Verdugo City. Along dirt road heading for a water tank, east end of ridge running between Henderson and Engleheard Canyons, on northwest-facing side of ridge. 488 Comment
  LA33804  Plantago major Peter H. Raven; 1959-10-14 14625 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, E-end 220 Comment
  LA33982  Plantago major Henry J. Thompson; 1959-11-23 3010 Los Angeles Santa Monica Mountains, Franklin Canyon, shore of upper Franklin Canyon Reservoir 259 Comment
  RSA4835  Plantago major James Snow 1932-1 s.n. Los Angeles Bryant Ranch, Long Beach, Station 3, Plant 1 Comment
  UCR172299  Plantago ovata Anuja Parikh, Nathan Gale 2005-7-18 2145 Los Angeles Santa Susanna Mtns., Newhall Ranch, uppermost Potrero Canyon, study area 22 488 Comment
  RSA402016B  Plantago ovata var. insularis F. R. Fosberg 1931-3-27 S- 4409 Los Angeles Hamilton Canyon, Santa Catalina Island. 100 Comment
  SBBG68774  Plantago subnuda E. Rockwell -Jun-1928 793 Los Angeles Arcadia 137 Comment
  UCR205034  Platanthera sparsiflora R. G. Swinney 2001-9-15 8190 Los Angeles San Gabriel Mountains, Little Jimmy Spring 2256 Comment
  RSA133759  Platanus racemosa Peter H. Raven 1959-5-3 14093 Los Angeles Cahuenga Pass, near Woodrow Wilson Drive. 213 Comment
  RSA0017040  Platanus racemosa Ora M. Clark 1928-11-12 1286 Los Angeles Bouquet Canyon; Santa Susana Mts. Comment
  POM314  Platystemon californicus C. F. Baker 1904-4-22 4181 Los Angeles Monrovia. Comment
  UC1871059  Platystemon californicus T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4785 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
  SEINET12102786  Platystemon californicus J. F. Bright, Wyman, C. 1931-1 5283 A Los Angeles Collected in Antelope Valley Comment
  RSA616151  Poa annua Valerie L. Soza 1998-5-3 95 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, along southern edge of pHake Lake. 411 Comment
  LA12539  Poa fendleriana W. Scott Lewis; 1907-4-22 525 Los Angeles Garvanza Comment
  RSA600927  Poa secunda L. C. Wheeler 1968-3-17 s.n. Los Angeles San Gabriel Mountains: Wildwood Canyon along Ferguson Motorway. 480 Comment
  UCSB72614  Poa secunda White, Scott; Devries, Pam 2006-5-9 Los Angeles SE Tehachapi Mtns.; Gorman area, valley & slopes along Gorman Creek, NE of 1-15 Fwy. and SW of Gorman Post Rd.; Lebec 1098 Comment
  RSA0094923  Poa secunda subsp. juncifolia R. G. Swinney 2011-6-20 15231 Los Angeles San Gabriel Mountains: Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail 1567 Comment
  UC821166  Poa secunda subsp. secunda Marcus E. Jones, A. M. 1882-2-27 Los Angeles Pasadena Comment
  RSA92316  Poa secunda var. secunda F. W. Peirson 1923-5-26 3525 Los Angeles Rock Creek, norht slope of San Gabriel Mountains 1646 Comment
  VVC2187  Polycarpon tetraphyllum Tim Thomas 1994-4-15 1687 Los Angeles Santa Monica Mountains, Stunt Ranch; at eastern switchback of Stunt Road just below xing w Cold Creek, on north side of road. 390 Comment
  UC849985  Polygonum argyrocoleon Carl B. Wolf 4216 Los Angeles Pebbly Beach Canyon Santa Catalina Island (at mouth, around rock crusher) 15 Comment
  UCR95516  Polygonum aviculare L. C. Wheeler 1966-9-21 8883 Los Angeles San Gabriel Mtns., San Gabriel Canyon, El Encanto 259 Comment
  CAS-BOT-BC413996  Polygonum aviculare subsp. aviculare John I. Carlson 1914-4-25 s.n. Los Angeles Avalon, Catalina Isl. Comment
  RSA464417  Polygonum aviculare subsp. aviculare T. A. Burch, B. E. Burch 1943-07 s.n. Los Angeles Redondo Beach. Palos Verdes Hills. Comment
  RSA750233  Polygonum hydropiperoides A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37065 Los Angeles Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery 63 Comment
  UCR127385  Polygonum punctatum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25526 Los Angeles Santa Clara River Valley, Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  RSA592515  Polypodium californicum Mark Hoefs 1973-3-13 71 Los Angeles Santa Catalina Island: upper Avalon Canyon, west of Memorial. 259 Comment
  RSA689888  Polypodium californicum M. B. Dunkle 1929-2-10 2050 Los Angeles Santa Catalina Island, Bullrush Canyon. 1000 Comment
  UCR207627  Polypodium californicum O. F. Clarke 2004-4-27 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco near Pasadena Comment
  UCSB10639  Polypodium californicum Lloyd, Robert 1960-03 Los Angeles 500 yards up Little Dalton Canyon from Glendora Mtn. Road; San Gabriel Mtn range Comment
  UCSB62310  Polypodium californicum Kiefer, Lawrence 1967-5-21 Los Angeles San Gabriel Mtns., NE of Claremont, North Fork Barrett Canyon, tributary of San Antonio Canyon, ca. 1/4mi above USFS Rd. 2N04 1219 Comment
  RSA628693  Polypodium californicum L. C. Wheeler 1967-5-15 9581 Los Angeles South side Elsmere Canyon near the mouth. sec. 12. 518 Comment
  UCSB62389  Polypodium californicum Kendall, M. 1921-2-12 Los Angeles Palmer's Canon Comment
  SEINET3152570  Polystichum imbricans subsp. curtum M. E. Jones 1882-2-27 sn Los Angeles Pasadena Comment
  RSA305976  Populus fremontii subsp. fremontii F. C. Boutin 1965-4-29 s.n. Los Angeles Near 1941 tunnel, Angeles Forest Highway, San Gabriel Mountains 915 Comment
  CAS-BOT-BC143085  Potentilla anserina subsp. pacifica Le Roy Abrams 1901-4-11 1463 Los Angeles Ballona Creek, Mesmer Comment
  CAS-BOT-BC143087  Potentilla anserina subsp. pacifica LeRoy Abrams 1902-6-11 2519 Los Angeles Playa del Rey Comment
  LA82104  Potentilla lindleyi O. H. Kappler; 1941-3-20 140 Los Angeles 152 Comment
  RSA507538  Prunella vulgaris subsp. lanceolata Louis C. Wheeler 1967-8-24 10497 Los Angeles Angeles National Forest: SW slope of Mt. Waterman. 2165 Comment
  JEPS44949  Prunus emarginata Frank W. Peirson 1919-6-16 492 Los Angeles South Fork Rock Creek 1828 Comment
  JEPS44730  Prunus fasciculata W. L. Jepson 1935-4-17 17064 Los Angeles Portal Ridge Comment
  RSA156033  Prunus ilicifolia subsp. lyonii Peter H. Raven 1962-5-22 17828 Los Angeles Santa Catalina Island: near mouth of Cherry Canyon 61 Comment
  SBBG21944  Prunus ilicifolia subsp. lyonii R. F. Thorne with P. C. Everett 1964-2-6 33302 Los Angeles Cherry Cove 22 Comment
  UC467881  Prunus ilicifolia subsp. lyonii R. L. Pendleton 1909-7-4 1402 Los Angeles s of Avalon (Santa Catalina Island); Santa Catalina Island 365 Comment
  UCD113506  Prunus ilicifolia subsp. lyonii A. C. Sanders; Lee Jones 2005-4-8 29355 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente. 2 Comment
  RSA719587  Prunus virginiana var. demissa R. G. Swinney 1997-7-16 5673 Los Angeles Buford Canyon, 0.5 mi. W of San Barnardino Co. line, S of Hwy 2 and Swarthout Valley, 2 air mi. W of Wrightwood. 1921 Comment
  LA200202  Pseudognaphalium biolettii J. A. Ewan; 1932-3-5 7028 Los Angeles 335 Comment
  RSA157797  Pseudognaphalium biolettii Peter H. Raven 1962-4-9 17153 Los Angeles Wilson Cove, San Clemente Island. 61 Comment
  CATA784  Pseudognaphalium californicum Mark L. Hoefs 1991-6-5 1346 Los Angeles Santa Catalina Island: Hill above Hamilton Cove 91 Comment
  RSA0087061  Pseudognaphalium californicum R. G. Swinney 2010-5-4 12509 Los Angeles North of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park. 457 Comment
  UCR281381  Pseudognaphalium californicum R. G. Swinney 2014-5-15 16523 Los Angeles San Gabriel Mountains, Azusa Peak, 0.06 mile south of Glendora Ridge Motorway, 1.34 miles due east of Hwy. 39, 0.15 mile east of Garcia Trailhead 630 Comment
  UCSB6561  Pseudognaphalium californicum Kraebel, C. 1931-9-10 Los Angeles San Dimas Canyon, SRE plot; Angeles Forest Comment
  SBBG127983  Pseudognaphalium luteoalbum M. L. Hoefs, S. A. Junak 1996-7-9 2739 Los Angeles Upper Cape Cyn Reservoir 341 Comment
  RSA0012268  Pseudognaphalium stramineum Orlando Mistretta, Youssef Atallah 2011-8-12 6026 Los Angeles Aliso Cyn, 1.8 miles West of Jct. of Aliso Cyn Road and Angeles Forest Hwy. 1083 Comment
  UC1587662  Pseudognaphalium thermale Tim Ross 1991-8-14 5790 Los Angeles .50 mi e Lower Pacifico Campground Rd. (Pacifico Mtn Rd, Pacifico Mtn. USGS 7.5' quad); San Gabriel Mtns., Pacifico Mtn. Quad 1926 Comment
  RSA591069  Psilocarphus brevissimus J. Mark Porter, J. Travis Columbus, Gracie dos Santos 1996-6-5 10919 Los Angeles Ca. 2 mi N Solemint, just off Arline Rd., 2.0 mi from intersection with Sierra Hwy. Around a vernal pool on shelf above Plum Canyon and Arline Rd. Pool not evident from road. 610 Comment
  RSA625160  Psilocarphus tenellus var. tenellus L. C. Wheeler 1973-5-6 s.n. Los Angeles San Gabriel Mountains: Near the mouth, east side Little Tujunga, near BM. 1227 396 Comment
  LA212163  Pteridium aquilinum A. L. Haines; 1937-4-17 s.n. Los Angeles SAN GABRIEL MOUNTAINS, Santa Anita Canyon. 457 Comment
  UCR100419  Pteris vittata Scott D. White, Pam DeVries 1997-11-25 6028 Los Angeles San Gabriel Mtns., San Gabriel River Canyon, north of Azusa; parallel to Hwy 39; along dirt access road to gauging station below Morris Dam. 259 Comment
  UCR202534  Pterospora andromedea R. G. Swinney 2001-8-9 8024 Los Angeles San Gabriel Mtns., Mount Williamson, western ridge 2515 Comment
  UC557690  Pterostegia drymarioides Nell Murbarger 1936-4-1 142 Los Angeles e. side of isl. San Clemente Isl. Comment
  SEINET3448119  Punica granatum Unknown 137 Los Angeles Los Angeles, Los Angeles Comment
  CAS-BOT-BC158660  Purshia tridentata var. glandulosa Clare B. Hardham 1959-6-16 4874 Los Angeles Dry wash near Pear Blossom Comment
  RSA86647  Purshia tridentata var. glandulosa F. W. Peirson 1926-4-27 6668 Los Angeles San Gabriel Mountains. North side of San Gabriel Mountains, Rock Creek. 1296 Comment
  SEINET12318187  Pycnanthemum californicum J. F. Bright, Wyman, C. 1932-1 7981 Los Angeles Hollywood Comment
  SD260960  Quercus D. E. Bramlet 2011-8-26 4938 Los Angeles San Gabriel Mountains: Maple Canyon, east of Big Tujunga Canyon, C. 1/2 mile due south of Big Tujunga Reservoir. 707 Comment
  RSA17930  Quercus agrifolia Percy C. Everett 1936-10-29 2660 Los Angeles 1 mile east of Monrovia 1829 Comment
  UCR212806  Quercus agrifolia var. agrifolia Ellen Mackey, Blake Whittington 2006-10-11 NFWF- 1794 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Watershed, [San Dimas Canyon Road below dam]. Near trail on San Dimas Canyon Creek 398 Comment
  POM18608  Quercus berberidifolia E. S. Spalding 1921-4-9 XIX- 2 b Los Angeles Ganesha Hills, Pomona. Comment
  UCR111524  Quercus berberidifolia A. C. Sanders, D. Malueg 1998-6-22 22035 Los Angeles San Gabriel Mtns., La Canada, SCE Gould Substation off Hwy 2, Gould Canyon 595 Comment
  UCSB68633  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
  RSA488016  Quercus chrysolepis Mark Hoefs 1974-10-3 589 Los Angeles Santa Catalina Island: Upper Fern Canyon -ridge between Mt. Orizaba & Mt. Banning. 518 Comment
  RSA642688  Quercus chrysolepis Orlando Mistretta 1992-7-14 706 Los Angeles San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District. Comment
  UC338549  Quercus chrysolepis J. G. Lemmon 1891-7-18 Los Angeles near Pomona; San Antonio Canyon Comment
  CAS-BOT-BC86220  Quercus dumosa Geo. B. Grant 1906-9-1 7177 Los Angeles Catalina Island Comment
  CAS-BOT-BC86371  Quercus dumosa Fordyce Grinnell 1916-9-2 s.n. Los Angeles San Gabriel Mts. - near Pasadena Comment
  CHSC95853  Quercus durata var. gabrielensis LeRoy Gross 2000-10-28 306 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 the city of Glendale. Following fire break up to main crest (to Beaudry fire road). 609 Comment
  OBI70633  Quercus durata var. gabrielensis Louis C. Wheeler 1974-3-6 s.n. Los Angeles San Gabriel Mts: Gold Bar mill site Comment
  POM270183  Quercus durata var. gabrielensis Lyman Benson 1946-10-15 12200 Los Angeles South margin, 2 miles north of Claremont; San Gabriel Mt. 457 Comment
  RSA476764  Quercus durata var. gabrielensis Bonnie C. Templeton 1929-12-15 1447 Los Angeles Arroyo Seco, near Camp Switzers. 900 Comment
  RSA611102  Quercus durata var. gabrielensis Louis C. Wheeler 1936-1-19 4073 Los Angeles Monrovia: Edge of San Gabriel Mountains, just above Pottinger Sanitarium. 290 Comment
  RSA655778  Quercus durata var. gabrielensis LeRoy Gross 2000-10-28 306 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). 610 Comment
  UCR146523  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. c. 0.25 mi SW of jct. with Mt. Baldy Rd. 1372 Comment
  UCR281629  Quercus durata var. gabrielensis R. G. Swinney 2014-5-27 16692 Los Angeles San Gabriel Mountains, Glendora, Glendora Peak, 0.74 miles ENE (34 deg. ) of Azusa Pk., south of Glendora Ridge Motorway 791 Comment
  RSA477304  Quercus john-tuckeri Anstruther Davidson 1901-8-1 s.n. Los Angeles Rock Creek [Los Angeles or Ventura County]. Comment
  UCR237991  Quercus john-tuckeri D. E. Bramlet, Jennifer Pareti 2008-5-8 4262 Los Angeles Transverse Ranges; Liebre Mountains Region, Bouquet Canyon, 176 m east of Atherton Cyn. Rd. & 259 m south of Galton Rd. 492 Comment
  RSA187775  Quercus pacifica Robert F. Thorne 1966-9-16 36717 Los Angeles Santa Catalina Island, Renton Mine Road, near upper end Pebbly Beach Canyon 259 Comment
  SD112039  Quercus pacifica Linda Allen, Betsy Carpenter 1975-3-21 Los Angeles East side of Black Jack Mountain Comment
  CAS-BOT-BC258364  Quercus tomentella P. S. Manos; T. Martin 1987-10-8 239 Los Angeles Santa Catalina Island, Gallagher's Canyon 300 Comment
  POM244223  Quercus tomentella F. R. Fosberg 1931-12-11 7155 Los Angeles Santa Catalina Island, Gallagher's Canyon, right fork. 40 Comment
  RSA0110912  Quercus wislizeni Richard G. Swinney 2011-9-22 15685 Los Angeles San Gabriel Mountains: SE side of Camp Colby (colby Ranch), Colby Grave marker, confluence of Inspiration Cyn. & Coldwater Cyn., near spring & watertank. 1140 Comment
  RSA0091489  Quercus wislizeni var. frutescens R. G. Swinney 2011-6-15 15167 Los Angeles Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy 1585 Comment
  RSA0098828  Quercus wislizeni var. frutescens R. G. Swinney 2011-6-14 15135 Los Angeles San Gabriel Mountains: Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  UC1870297  Quercus wislizeni var. frutescens LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 292 Los Angeles Verdugo Mountains: Hostetter Mountainway. Along roadside in a draw, on north side 914 Comment
  CAS-BOT-BC362471  Rafinesquia californica Alice Eastwood 1906-5-27 30 Los Angeles Country adjacent to Los Angeles. Garvanza Comment
  UCR205903  Rafinesquia californica R. G. Swinney 2008-5-5 8780 Los Angeles San Gabriel Mtns., Punchbowl Canyon at north boundary of Devils Punchbowl County Park, confluence of East and West Forks of Punchbowl Cyn, 0.3 mi. south of Big Rock Creek 1256 Comment
  UCR270518  Rafinesquia californica R. G. Swinney 2010-4-13 12191 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  UC827624  Ranunculus aquatilis var. capillaceus P. A. Munz 1922-5-16 5601 Los Angeles brook e Puddingstone Canyon; San Dimas 365 Comment
  UCR113745  Ranunculus californicus var. californicus Scott D. White 1999-3-30 7212 Los Angeles Puente Hills; City of Rowland Heights, south of Pathfinder Road and west 57 Freeway; near Bill Blevins Park 244 Comment
  SBBG116978  Ranunculus hebecarpus S. A. Junak with K. Kirkland 2001-4-13 SCa 1425 Los Angeles just S of rd above Empire Landing 140 Comment
  SBBG71865  Ranunculus hebecarpus R. Hoffmann 1925-5-19 Los Angeles Bouquet Cyn Comment
  SEINET3836579 Image available Ranunculus hebecarpus Philip A. Munz 1934-4-2 13143 Los Angeles San Dimas, Puddingstone Canyon 305 Comment
  RSA158284  Raphanus raphanistrum P. H. Raven 1962-4-11 17300 Los Angeles Behind Northwest Harbor; San Clemente Island 6 Comment
  RSA509614  Raphanus sativus L. C. Wheeler 1966-10-25 9069 Los Angeles 1/4 mile N of El Encanto, San Gabriel Canyon. Comment
  RSA399207  Reseda alba Freda Detmers 1929-4-19 s.n. Los Angeles Descanso Canon. Catalina Island. Comment
  SEINET13276830 Image available Rhamnaceae R. G. Swinney 2011-1 14180 Los Angeles San Gabriel Mountains: mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam (Glendora 7.5' Q.) (T1N R9W S28) 509 Comment
  UCR133607  Rhamnus californica Elizabeth Crow 1928-10-21 05 Los Angeles San Gabriel Mtns., San Dimas Canyon Comment
  CAS-BOT-BC133204  Rhamnus californica subsp. californica A. C. Sanders; T. B. Salvato 2009-5-21 36897 Los Angeles San Gabriel Valley: Whittier Narrows near South El Monte, north of San Gabriel River channel and SE of Durfee Ave., west half of Whittier Narrows Nature Center along SCE powerlines 70 Comment
  RSA724372  Rhamnus californica subsp. californica K. Dobry 1991-6-13 d- 708 Los Angeles Santa Monica Mts. Las Virgenes and Mulholland Hwy at Soka Univ. Comment
  RSA0101276  Rhamnus crocea subsp. crocea R. G. Swinney 2011-3-18 14141 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  CAS-BOT-BC55999  Rhamnus ilicifolia A. D. E. Elmer 1902-6-1 3649 Los Angeles Saugus Comment
  POM24614  Rhamnus ilicifolia Carl B. Wolf 1928-5-11 2178 Los Angeles On the Newhall Grade, just north of point where the Los Angeles Aqueduct crosses the highway. Comment
  UCR119287  Rhamnus ilicifolia A. C. Sanders, D. Malueg 1998-6-22 22050 Los Angeles San Gabriel Mtns., Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon 1006 Comment
  CAS-BOT-BC59791  Rhamnus pirifolia Geo. B. Grant 1906-9-1 7176 Los Angeles Catalina Island. Comment
  POM158336  Rhamnus pirifolia M. B. Dunkle 1928-3-4 1716 Los Angeles Orizaba Canyon, Santa Catalina Island. 244 Comment
  RSA167825  Rhamnus pirifolia Robert F. Thorne, Percy C. Everett 1964-2-6 33291 Los Angeles Santa Catalina Island above Fourth of July Cove. 30 Comment
  RSA183001  Rhamnus pirifolia S. Carlquist, Robert F. Thorne 1966-4-29 1830 Los Angeles Santa Catalina Island. On upper slopes of Blackjack Mountain near beginning of road down to White's Landing Comment
  UC592934  Rhamnus pirifolia C. B. Wolf 1932-5-10 Los Angeles back of Avalon (100 yds se of summit of the Equestrian Trail); Santa Catalina Island 304 Comment
  UCR184096  Rhamnus tomentella A. C. Sanders 2007-4-13 33408 Los Angeles Tehachapi Mtns. Foothills, southeast of National Cement Plant, along creek just below Kern Co. line 1006 Comment
  RSA699563  Rhamnus tomentella subsp. cuspidata LeRoy Gross, Paul Morton 2004-6-9 1346 Los Angeles West end of the main crest; From the Pacific Crest Trail (from the south) along road (7N23) pass the second Pacific Crest Trail that exits off north of the road., Finish near the NW corner of section 3 and started at the west end of section 12, west of Bear Gulch Camp. About a 4 mile hike from east to west (This for the Angeles National Forest road surveys.) 1688 Comment
  CAS-BOT-BC170472  Rhus integrifolia Dr. Barton W. Evermann 1918-3-29 s.n. Los Angeles Santa Catalina Isl. Comment
  RSA386478  Rhus integrifolia M. B. Dunkle 1928-3-4 1718 Los Angeles Orizaba Canyon, Santa Catalina Island. Comment
  RSA533491  Rhus integrifolia T. S. Ross 1991-3-9 4183 Los Angeles Whittier Hills (Puente Hills, pro parte): head of Oak Cyn, SE side of ridgetop knoll. 369 Comment
  RSA0014725  Rhus integrifolia Laura Moore 1999-4-10 10 Los Angeles Pitzer College, Claremont. Southeastern corner of Outback, about 5 yards from eastern border with Claremont Boulevard. 351 Comment
  RSA599235  Rhus integrifolia L. C. Wheeler 1968-3-21 s.n. Los Angeles Foothills of San Gabriel Mountains: Vicinity of water supply tunnel above West Debris Basin, Brown School for Girls 457 Comment
  LA36131  Rhus ovata B. H. Brattstrom; 1950-12-20 sn Los Angeles SANTA MONICA MOUNTAINS, Outpost Mt Comment
  RSA386376  Rhus ovata I. W. Clokey, B. Templeton 1929-04 4431 Los Angeles Mandeville Canyon, Santa Monica Mountains 200 Comment
  RSA608526  Rhus ovata Willis H. Wheeler 1930-4-12 s.n. Los Angeles Santa Monica Mountains: Mandeville Canyon. Comment
  RSA0043101  Rhus ovata Paul M. Inman 1983-5-8 50883 -1 Los Angeles Big Santa Anita Canyon in the Angeles Natgional Forest, San Gabriel Mountains, about 1 mile north of Arcadia. Growing on a west facing slope at north end of weir at Hoegee's Camp on Winter Creek at Hoegee's Camp. Comment
  RSA650229  Rhus ovata C. J. Humphrey, Herbert Humphrey, Det Whitehead 1936-6-7 204 Los Angeles In foothills, 20 miles East of Riverside. 609 Comment
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Feb 19 2013
  RSA293868  Ribes amarum Lyman Benson 1946-3-11 11983 Los Angeles Big Dalton Canyon Dam, above Glendora. 671 Comment
  RSA0068238  Ribes aureum R. G. Swinney 2010-3-10 11841 Los Angeles FS Road 3N59 (Santa Clara Truck Trail), west of Whitney Canyon, 0.2-0.5 mi. ESE of ride-share parking lot at Hwy 14 and Newhall Ave. 470 Comment
  UCSB11906  Ribes aureum Haines, Bruce 1962-3-11 Los Angeles roadside; 1 mile south of the junction of U.S. Highway 101 and California Highway 27; Woodland Hills 274 Comment
  UCD102118  Ribes aureum var. gracillimum Daryl Koutnik 1978-3-24 162 Los Angeles east side of Sierra Creek Road between Kanan Road and Mulholland Hwy. 243 Comment
  UCR205535  Ribes aureum var. gracillimum A. C. Sanders, T. B. Salvato 2009-5-21 36893 Los Angeles San Gabriel Valley, Whittier Narrows near South El Monte, north of San Gabriel River channel and SE of Durfee Ave., west half of Whittier Narrows Nature Center along SCE powerlines 70 Comment
  RSA729544  Ribes cereum var. cereum R. G. Swinney 1998-9-4 6898 Los Angeles San Gabriel Mtns.; dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi east of Hwy 2 on 3N06. 2241 Comment
  RSA0025047  Ribes indecorum Valerie L. Soza 1997-4-11 39 Los Angeles Bernard Field Station of the Claremont Colleges, located on the NW corner of Mills Avenue and Foothill Boulevard. East of School of Theology, east of cluster of pines. 412 Comment
  RSA476173  Ribes indecorum Louis C. Wheeler 1932-2-28 450 Los Angeles Thompson Creek dam near Claremont. 502 Comment
  UCR220230  Ribes indecorum R. G. Swinney, Jane Strong 2009-4-7 10305 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Antonio Canyon, 2.4 miles north of Shinn Rd. 1073 Comment
  UC168758  Ribes nevadense George B. Grant and Walter Wheeler 1904-5-17 1125 -6241 Los Angeles Mt. Wilson 1524 Comment
  RSA476292  Ribes speciosum Ruth E. Hammond 1929-04 s.n. Los Angeles Verdugo Woodland Comment
  RSA232970  Romneya coulteri var. trichocalyx D. A. Young 1969-5-25 P 485 Los Angeles Along the side of San Dimas Ave. about 1 mile north of Pudding Stone Lake 305 Comment
  LA46148  Romneya trichocalyx Carl Epling; William Stewart sn Los Angeles 10 mi N of San Vicente Comment
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Oct 28 2015
  RSA529147  Rosa californica Tim S. Ross 1991-4-8 4477 Los Angeles Elephant Hill: western Pomona. 229 Comment
  RSA451662  Rosa woodsii var. ultramontana Anstruther Davidson 1923-6-1 s.n. Los Angeles [Unspecified] Comment
  RSA332047  Rubus leucodermis Wayne E. Sawyer 1981-6-11 30 Los Angeles San Gabriel Mountains, Angeles National Forest: CA Highway 2 between Dawson Saddle and junction of CA Highway 39, 1.8 miles from Dawson Saddle 2287 Comment
  JEPS44773  Rubus parviflorus F. W. Peirson 1921-6-17 1958 Los Angeles on Chilao-Islip Trail at crossing Little Rock (San Gabriel Mts.); , crossing of Little Rock 1981 Comment
  RSA0080733  Rubus ursinus R. G. Swinney 2010-4-23 12361 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  POM91603  Rubus ursinus Marcus E. Jones 1882-5-2 s.n. Los Angeles Pasadena. Comment
  UCD101061  Rumex acetosella Pupils of Los Angeles HS 1903-6-1 s.n. Los Angeles Los Angeles. Comment
  POM2342  Rumex conglomeratus P. A. Munz 1918-5-19 2261 Los Angeles Pomona. Comment
  RSA547818  Rumex crispus Tim S. Ross, Peter Fritsch 1990-6-20 3628 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
  SBBG33301  Rumex hymenosepalus D. Myrick 1969-4-21 2072 Los Angeles near Hi Vista 914 Comment
  CHSC36052  Rumex salicifolius James Henrickson 1973-6-15 10701 Los Angeles City of Long Beach, in open flats near small pond at junction of Pacific Coast Highway and Colorado St. 3 Comment
  UC1601400  Rumex salicifolius var. salicifolius L. R. Abrams and I. L. Wiggins 1931-7-6 366 Los Angeles vicinity Mosquito Harbor; San Clemente Island Comment
  POM1629  Rupertia physodes P. A. Munz 1918-5-25 2278 Los Angeles Claremont - Live Oak Canyon Comment
  SEINET12155886  Rupertia physodes Unknown 1934-1 9249 Los Angeles Los Angeles. Santa Monica Coast Range Comment
  SEINET10583594 Image available Sagittaria montevidensis subsp. calycina Samuel B. Parish, W. F. Parish Parish 1136 Los Angeles Coyote Creek - Los Angeles. Not near any house. Comment
  RSA478878  Salicornia virginica F. R. Fosberg 1930-7-7 S 3158 Los Angeles Alamitos Bay. 1 Comment
  RSA0083117  Salix exigua R. G. Swinney 2010-6-4 13022 Los Angeles Placerita Canyon, Placerita Cyn. Natural Area, 0.3-0.9 miles east of nature center. 476 Comment
  RSA588608  Salix laevigata Orlando Mistretta 1994-5-23 1254 Los Angeles San Gabriel Mountains: Little Rock creek. Drainage E of Creek and N of Forest Road 4N15. 1280 Comment
  UC447155  Salix lasiandra subsp. lasiandra J. Ewan 1931-2-2 4017 Los Angeles Rio Hondo R. near Downey; Rio Hondo R. Comment
  UC492418  Salix lasiandra subsp. lasiandra Carl W. Sharsmith 1932-1-17 8 Los Angeles ca. 9.5 km. above Azusa (bottom of Lower San Gabriel Canyon); Lower San Gabriel Canyon 300 Comment
  RSA9751  Salix lasiandra var. lasiandra Louis C. Wheeler 1932-3-10 460 Los Angeles Big Dalton Canyon, San Gabriel Mountains 427 Comment
  POM182043  Salix lasiolepis F. R. Fosberg 1932-1-26 7179 Los Angeles Bottom of Topanga Canyon. 225 Comment
  UCD111608  Salix lasiolepis F. R. Fosberg 1932-1-26 7179 Los Angeles Bottom of Topanga Canyon, Santa Monica Mts. 225 Comment
  UCR212776  Salix lasiolepis Ellen Mackey, Blake Whittington 2006-10-4 NFWF- 1781 Los Angeles Transverse Ranges; San Gabriel Mountains region, San Gabriel River watershed, San Dimas Canyon Creek just downstream from dam 404 Comment
  RSA0060698  Salsola tragus Nancy Hamlett 2014-9-25 s.n. Los Angeles Bernard Field Station, area known as East Field. Approx. 1.5 m (larger plant) and 3 m (smaller plant west of Mills Ave. fence, about halfway between Foothill Blvd. fence and east-west fire road. 374 Comment
  SBBG58395  Saltugilia splendens R. Hoffmann 1927-6-8 Los Angeles Ridge Route (US Hwy 99) near Sandberg's 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
  RSA17065  Saltugilia splendens subsp. grantii C. B. Wolf 1936-5-27 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon to Buckhorn Flats Road, 10 mi. above Tie Camp Summit 1616 Comment
  RSA469657  Saltugilia splendens subsp. grantii Albert J. Perkins 1915-10-31 s.n. Los Angeles Clear Creek Trail to Big Tujunga, Sierra Madre Mts. Comment
  RSA0091748  Saltugilia splendens subsp. splendens R. G. Swinney 2011-5-26 14855 Los Angeles 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1061 Comment
  SBBG64372  Saltugilia splendens subsp. splendens R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk Comment
  UCR271256  Saltugilia splendens subsp. splendens R. G. Swinney 2011-5-12 14698 Los Angeles San Gabriel Mountains, Aliso Canyon Creek, 50-100 m west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy, west of mouth of Cabin Canyon Creek 1183 Comment
  CATA524  Salvia apiana Sara L. Crockett 1997-4-29 673 Los Angeles Santa Catalina Island: 0.8 mile S on road from KBRT radio station toward Salta Verde, slope below E/W-trending ridgeline 487 Comment
  RSA0105010  Salvia apiana R. G. Swinney 2011-4-26 14518 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
  RSA305367  Salvia apiana D. C. Michener, J. Dourley, B. Haner, D. Pettys, M. Hoefs 1983-6-7 4302 Los Angeles Santa Catalina Island. Head of Swains Canyon [near Timms] beyond main road to airport. 427 Comment
  RSA411296  Salvia apiana Frances Runyan 1971-7-20 s.n. Los Angeles Near Davenport Road, Agua Dulce. Comment
  RSA424322  Salvia apiana William Emboden 1970-6-12 27 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  SFV21059  Salvia apiana L. Gross, V. Soza 2001-5-31 390 Los Angeles Verdugo Mountains Southeast side of mountains. Ridge north of Dead Horse Canyon. 457 Comment
  RSA411361  Salvia carduacea Freda Detmers 1931-5-17 s.n. Los Angeles Hillside, Mint Canyon. Comment
  UC1124675  Salvia carduacea C. R. Clar Apr 1928 2 Los Angeles near Acton; Angeles Forest, Tujunga Quad. 822 Comment
  CATA3353  Salvia columbariae Amy Catalano 2017-4-21 059 Los Angeles Santa Catalina Island: N side of West End Rd. on S-facing hillside, 80 meters W of parking area at Lion Head 21 Comment
  LA91493  Salvia columbariae Bruce Douglas Clayton; Greg Shaw 1972-4-15 94 Los Angeles Santa Monica Mountains, Temescal Canyon, Mountain Park Research Campus, firebreak, west slope of BDC peak 586 Comment
  RSA649602  Salvia columbariae Lori Ackerman, Gerald Braden 1988-5-20 33 Los Angeles North end [bank] of West Fork [San Gabriel] River, San Gabriel Mountains. Comment
  UC1211153  Salvia columbariae Huron H. Smith 1912-4-23 4817 Los Angeles Eagle Rock 213 Comment
  UCR220192  Salvia columbariae R. G. Swinney 2009-4-7 10303 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills and S.G. Valley, Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  RSA401454A  Salvia columbariae Helen M. Oster 1924-4-27 13810 Los Angeles Foothills n. end of Vermont Ave. Comment
  RSA651686  Salvia columbariae Warren Crawford 1969-5-15 s.n. Los Angeles San Gabriel Canyon, second dam. [Hwy 39] Comment
  CAS-BOT-BC214314  Salvia dorrii var. pilosa Steve Boyd; Lauren Raz 1997-3-25 9262 Los Angeles Extreme northwestern corner of the range in Peace Valley, small side canyon just east of Interstate 5 off Copco Road, Libre Mountains Region 950 Comment
  UC1124693  Salvia dorrii var. pilosa G. E. Sindel 1935-1-16 119 Los Angeles 4 mi s Neeach; Angeles National Forest, Tejon Quad. 1219 Comment
  SEINET7047937  Salvia dorrii var. pilosa Steven R. Hill, Kate Kramer 2001-4-22 33394 Los Angeles South side of California Route 138 (Pearblossom Highway) just east of Palmdale and about 1 mile west of Little Rock; west side of Little Rock Wash. Elevation about 2820 feet. Comment
  CAS-BOT-BC233664  Salvia leucophylla Carl Epling; N. Dunn 1931-5-30 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains Comment
  LA105977  Salvia leucophylla Barry A. Prigge; 1988-7-3 8189 Los Angeles Santa Monica Mountains, Calabasas, ca 0.4 mi E of jtn of Mulholland Hwy and Old Topanga Rd, S of E-end of Calabasas High School track 313 Comment
  LA69818  Salvia leucophylla James Lauter; 1953-5-7 sn Los Angeles Comment
  SBBG71106  Salvia leucophylla M. N. Ackley 1927-5-29 452 Los Angeles Mulholland Drive 457 Comment
  CHSC25043  Salvia mellifera L. M. Mayer; I. J. Mayer 1974-4-10 155 Los Angeles On Bouquet Canyon Rd. ca. 1 1/2 mi e of intersection with Vasquez Canyon Road on n side of road. Comment
  RSA563493  Salvia mellifera Tim S. Ross, Walter Appleby 1993-5-13 7116 Los Angeles Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon. 854 Comment
  RSA651032  Salvia mellifera Shlomo Gat 1959-5-22 51 Los Angeles San Dimas [Canyon] Comment
  UCR205729  Salvia mellifera A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37013 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
  UCR216876  Salvia mellifera R. G. Swinney 2009-3-13 10114 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 0.8 mi. north of Foothill Blvd. on east side of main river channel 192 Comment
  UCR259926  Salvia mellifera R. G. Swinney 2010-4-1 12151 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
  IRVC26184  Sambucus mexicana A. C. Sanders 2003-5-1 26256 Los Angeles SE slopes of Castaic Mesa above Charlie Canyon, east of Lake Hughes Rd. and ESE of the filtration plant, Newhall Ranch property Western San Gabriel Mtns. 396 Comment
  LA91438  Sambucus nigra subsp. canadensis Bruce Douglas Clayton; Greg Clayton 1972-3-30 38 Los Angeles SANTA MONICA MOUNTAINS, Nettleburn Creek Canyon, Mountain Park Research Campus, at head of canyon. 585 Comment
  RSA471441  Sanicula arguta Louis Greata 1901-03 1931 Los Angeles Garvanza Comment
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Aug 21 2007
  UCR193427  Sanicula arguta Dan S. Cooper 2008-3-28 s.n. Los Angeles San Gabriel Valley, Summitridge Park, Diamond Bar, north side of Grand Ave., just west of San Bernardino Co. line 356 Comment
  UC875476  Sanicula crassicaulis F. R. Fosberg 1931-4-1 S 4436 Los Angeles Santa Catalina Island, Hamilton Canyon Hamilton Canyon; Santa Catalina Island, Hamilton Canyon 50 Comment
  LA210530  Schinus molle Louis C. Wheeler; 1932-10-22 1437 Los Angeles Liveoak Wash near La Verne 403 Comment
  UCR273916  Schismus arabicus Steven A. Junak 1999-4-22 SCa- 836 Los Angeles California Islands, Santa Catalina Island. White' Landing, tent cabin area, YMCA Camp, just west of amphitheater 6 Comment
  RSA752801  Schismus barbatus R. F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 54951 Los Angeles 1/4-1/2 mi N of Bob's Gap, N slope of Holcomb ridge, c. 2 1/2 mi due S of Llano, E of Bob's Gap Rd 1159 Comment
  RSA762727  Schoenoplectus acutus var. occidentalis R. G. Swinney 2008-12-4 9940 Los Angeles Azusa, mouth of San Gabriel Canyon 1 mi. north of Foothill Blvd. 201 Comment
  SD31335  Schoenoplectus americanus Ritter 1931-4-3 2021 Los Angeles Near Pasadena, near old mill, damp [area]. Comment
  RSA365981  Scirpus acutus var. occidentalis Freda Detmers 1928-4-24 s.n. Los Angeles Los Angeles.[Los Angeles River?] Comment
  SEINET3913197  Scirpus acutus var. occidentalis Timothy S. Ross, Steve Boyd 1994-9-21 8338 Los Angeles Coww Spring Pond': sag pond on the San Andreas Fault Zone at the n. foot of Liebre Mt and on the s. side of West Oakdale Canyon Road, ca. 100 m. w. of the Cow Spring Canyon drainage. Liebre Mountain 7.5' USGS Quadrangle.; 0 1149 Comment
  UCR113693  Scirpus microcarpus L. C. Wheeler 1966-10-1 8950 Los Angeles San Gabriel Mtns., Big Tujunga Canyon at Colby Ranch Road 1098 Comment
  RSA425193  Scrophularia californica subsp. floribunda F. E. Durkee 1906-5-30 s.n. Los Angeles Hollywood Canyon Comment
  RSA612182  Scrophularia peregrina D. Zygielbaum 1997-3-17 8 Los Angeles Claremont, NW corner of Mills Avenue and Foothill Boulevard. 412 Comment
  RSA518236  Scrophularia villosa O. F. Clarke 1968-2-25 s.n. Los Angeles Santa Catalina Island. Within 0.5 mi of the U.S.C. Marine Sciences Station at the isthmus on the N end of the island. Comment
  RSA445365  Scutellaria tuberosa Anstruther Davidson 1890-3-30 s.n. Los Angeles Ravine near L.A. River Comment
  UCR217417  Selaginella bigelovii R. G. Swinney 2009-3-10 10071 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  UCR61051  Selaginella bigelovii R. G. Swinney 1989-6-10 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon 396 Comment
  LA5826  Selaginella bigelovii A. M. Johnson; 1934-3-16 4379 Los Angeles Comment
  SEINET4065922  Selaginella bigelovii G. B. Grant, W. Wheeler 1904-1 1191 Los Angeles Collected on Santa Catalina Island in the Pacific Ocean off southern California. Comment
  JEPS37309  Senecio flaccidus var. douglasii C. E. Hutchinson 1892-7-20 Los Angeles Old Mt. Wilson Trail San Gabriel Mts. 304 Comment
  RSA0106500  Senecio flaccidus var. douglasii R. G. Swinney 2011-6-29 15334 Los Angeles San Gabriel Mountains: mouth of Monte Cristo Canyon, confluence with Mill Creek. 1098 Comment
  UCR277113  Senecio flaccidus var. douglasii R. G. Swinney 2010-10-5 13961 Los Angeles San Gabriel Mountains, Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center 463 Comment
  CAS-BOT-BC365651  Senecio flaccidus var. monoensis Timothy S. Ross; Steve Boyd 1994-9-20 8237 Los Angeles Liebre Mountains. 2 miles NW of Acton: Sandy wash, S side of intersection Escondido Canyon Road & Red Rover Mine Road 902 Comment
  UC1594390  Senecio lyonii Tim Ross and Elizabeth Kellogg 1992-4-13 6145 Los Angeles in the vicinity Darter (nw part of San Clemente Island); San Clemente Island 18 Comment
  RSA670037  Senecio mikanioides Joseph M. Keefe 2001-1-19 30923 Los Angeles San Rafael Mountains: 15 meters north of begninging of the Eagle Rock Park path along east side of Sholl Canyon Road opposite of driveway to 7685 Sholl Canyon Road, 100 meters north of Figueroa Street, Eagle Rock, 90041. 284 Comment
  RSA674721  Senecio mikanioides Scott D. White, Pam DeVries 2000-5-18 7903 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
  RSA0055784  Senecio vulgaris R. G. Swinney 2010-4-28 12431 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
  UCR214631  Senecio vulgaris A. C. Sanders, Dan S. Cooper 2010-3-12 37365 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA670355  Setaria parviflora Bonnie C. Templeton 1956-7-4 7677 Los Angeles E. Los Angeles. Comment
  LA205900  Sidalcea malviflora A. H. Lange; 1951-5-7 sn Los Angeles Santa Anita Comment
  RSA433864  Sidalcea malviflora Anstruther Davidson 1890-05 s.n. Los Angeles Riverside, Sunnyside, Los Angeles Comment
  UC450904  Sidalcea malviflora subsp. malviflora Fay A. Macfadden 1931-4-22 2655 Los Angeles Summit Highway through San Franscito Canyon to Lake Hughes; San Franscito Canyon to Lake Hughes Comment
  RSA595867  Sidalcea malviflora subsp. sparsifolia Tim S. Ross, Victor W. Steinmann 1995-5-8 8535 Los Angeles Bouquet Canyon: along Bouquet Canyon Road near Bouquet Campground No. 3. 735 Comment
  POM49674  Sidalcea malviflora subsp. sparsifolia L. R. Abrams 1901-4-8 1436 Los Angeles Arroyo river near PasadenaArrowhead Hotsprings and immediate vicinity, Coldwater Canyon and Strawberry Creek ca. 1/2 mile E of the old Arrowhead Hot Springs Hotel. Comment
  CAS-BOT-BC434370  Sidotheca trilobata Frank W. Peirson 1921-6-14 1783 Los Angeles Tujunga Canyon, San Gabriel Mts. 1280 Comment
  CAS-BOT-BC384478  Silene antirrhina Le Roy Abrams 1901-4-4 1325 Los Angeles Chatsworth Park Comment
  POM215712  Silene antirrhina L. C. Wheeler 1932-5-28 782 Los Angeles San Antonio Canyon, E side SE Hogback 1280 Comment
  RSA748789  Silene gallica Justin M. Wood 2009-4-13 483 Los Angeles Foothills above the city of Sierra Madre, one carter estates at the end of Baldwin Ave. 49 Comment
  SBBG87348  Silene gallica A. C. Sanders 1988-3-17 7729 Los Angeles El Segundo dunes, immediately W of LA International Airport & Pershing Drive, E of Vista Del Mar Blvd 30 Comment
  CAS-BOT-BC175103  Silene verecunda Wesley O. Griesel 1961-6-29 s.n. Los Angeles Charleton Flats, San Gabriel Mts. 1524 Comment
  CAS-BOT-BC175108  Silene verecunda Victor Duran 1933-7-24 3530 Los Angeles Buckhorn, San Gabriel Mts. 1981 Comment
  UCR223459  Silene verecunda R. G. Swinney 2009-6-8 11096 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
  RSA588045  Silene verecunda subsp. platyota Orlando Mistretta 1994-5-31 1277 -A Los Angeles Santiago Canyon. N slope of Pacifico Mtn. 1939 Comment
  RSA771495  Sisymbrium altissimum R. G. Swinney 2009-4-28 10540 Los Angeles summit of Mt. Emma 1585 Comment
  SD252303  Sisymbrium altissimum Steven A. Junak 2000-3-30 Sca 1143 Los Angeles Santa Catalina Island: Campground at Little Harbor. 6 Comment
  UCR136840  Sisymbrium officinale John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  UCR258899  Sisymbrium orientale R. G. Swinney 2010-4-30 12465 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, ridgetop south of the southern of the two eastern forks of Wilson Cyn., 0.45 miles east of Wilson Debris Basin along old motorway 549 Comment
  RSA624571  Sisymbrium orientale L. C. Wheeler 1973-4-7 s.n. Los Angeles San Gabriel Mountains: Big Tujunga Canyon, near La Paloma Flat. 563 Comment
  POM199757  Sisyrinchium bellum I. W. Clokey, Bonnie C. Templeton 1929-05 4542 Los Angeles Mandeville Canyon, Santa Monica Mountains. 500 Comment
  SFV22014  Sisyrinchium bellum V. Soza, L. Gross, A. Munoz 2000-5-12 900 Los Angeles Verdugo Mountains Northwestern end of Verdugo Mountains. Crestline Drive from New Home Avenue in Sunland. Ridge east of 210 Freeway and west of fire road, south (above) water tank. Northeast-facing slope above fire road. 488 Comment
  UCR182638  Sisyrinchium idahoense R. G. Swinney 1997-7-23 5728 Los Angeles San Gabriel Mtns, upper Government Canyon, c. 2 miles west of Wrightwood, Blue Ridge Mtn. area 2378 Comment
  CHSC95861  Solanum douglasii LeRoy Gross; Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 720 Los Angeles Transverse Ranges: Verdugo Mountains Region; South side; Off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned Summer-Fall of 2002. Sunny east slope just above the bottom of upper part of Brand Canyon. 576 Comment
  SBBG49564  Solanum douglasii M. R. Benedict 1971-6-26 Los Angeles 0.5 mi S of Wilson Cove Comment
  RSA658836  Solanum douglasii J. S. Burns 1992-5-5 3 Los Angeles 1 mile north on Van Tassel fireroad from south access; Angeles National Forest. 457 Comment
  RSA659890  Solanum douglasii Brian McColgan 1988-5-14 15 Los Angeles 1 mile N of Padua on Mt. Blady Rd. 1067 Comment
  RSA520075  Solanum triflorum Steve D. Boyd 1988-7-12 2534 Los Angeles Claremont, grounds of RSA, fresh fill dirt for burms along Indian Hill Blvd. Comment
  RSA427426  Solanum umbelliferum C. Epling, Louis C. Wheeler 1933-6-4 1850 Los Angeles Near Summit, Ridge Route. 1524 Comment
  RSA654171  Solanum umbelliferum Marilyn Porter 1991-5-5 12 Los Angeles Upland at San Bernardino County line north from parking area at Shinn Road and Mount Baldy Road, followed abandoned road in flood plain. Start: (1/2) ? mile in. Stopped: (2)? miles. 670 Comment
  RSA681853  Solanum umbelliferum Scott D. White, Michael Honer 2003-6-18 9564 Los Angeles Liebre Mountains: Canyon Country. Steep, actively eroding slopes immediately above homes and detention basins in tributary to west of Tick Canyon. 549 Comment
  UCR271872  Solanum umbelliferum R. G. Swinney 2010-3-24 12063 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
  POM177968  Solanum umbelliferum Joseph A. Ewan 1931-2-20 4029 Los Angeles Dry canyon near Westwood. Comment
  CAS-BOT-BC237749  Solanum wallacei June Giddings 1934-8-1 s.n. Los Angeles Avalon, golf course, Santa Catalina Island Comment
  SBBG130580  Solanum wallacei S. A. Junak 2000-3-31 SCa 1147 Los Angeles above rd to White's Landing, ca. 0.3 mi from intersection with Airport Rd, just downslope from Airport Rd 411 Comment
  SBBG70641  Solanum xanti R. Hoffmann 1928-7-9 Los Angeles Pine Cyn Comment
  SBBG63042  Solidago confinis R. Hoffmann 1927-9-21 Los Angeles Gorman, Ridge Route (US Hwy 99) Comment
  OBI62121  Solidago velutina subsp. californica P. A. Holden 1968-11-19 616 Los Angeles 10 mi SE of Gorman on roadbank of rd to Lake Hughes Comment
  UCR205655  Soliva sessilis A. C. Sanders, T. B. Salvato 2009-5-20 36885 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
  RSA356028  Sonchus asper R. F. Thorne 1975-9-4 47385 Los Angeles Santa Catalina Island: Fisherman's Cove; campus of USC Marine Science Center. Comment
  UCR258851  Sonchus asper R. G. Swinney 2010-3-16 11911 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
  IRVC28583  Sonchus asper A. C. Sanders, Mark Elvin 2002-6-19 25168 Los Angeles Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River NE end of Santa Susana Mtns. 305 Comment
  RSA720177  Sonchus asper subsp. asper LeRoy Gross 2007-3-13 2600 Los Angeles Southern side of the range. Stough Canyon. From the nature center follow canyon bottom in northwest direction to where a spring of water which is at a junction with a creek from the northeast., Started from 34.21265N, 118.30568W, to 34.21674N, 118.30766W. 441 Comment
  CAS-BOT-BC374614  Sonchus oleraceus E. R. Blakley 1962-6-10 5259 Los Angeles San Clemente Island 15 Comment
  SEINET10615377  Sonchus oleraceus David B. Dunn 1947-7-20 Dunn 2986 Los Angeles Collected at 316 North Avenue 50, Los Angeles, CA. Comment
  CAS-BOT-BC390136  Spergularia bocconi Robert F. Thorne 1973-4-11 42799 a Los Angeles San Clemente Island: plateau in Middle Ranch area at head of Middle Ranch Canyon 426 Comment
  RSA0097911  Spergularia bocconi F. R. Fosberg 1931-7-14 S 5405 Los Angeles Echo Lake, Santa Catalina Island. 350 Comment
  CAS-BOT-BC390802  Spergularia marina Le Roy Abrams 1899-5-1 227 Los Angeles Ballona Harbor Comment
  CATA3064  Spergularia villosa Amy Catalano 2016-3-23 056 Los Angeles Santa Catalina Island: Open ridge 80 meters north of Airport Road in Fox Country, 162 meters due east of the Summit Vista Garden 438 Comment
  SEINET186837  Sphaeralcea fasciculata Ynez W. Winblad 1938-5-14 Los Angeles Santa Ana Canyon. Comment
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Feb 10 2015
  RSA0019897  Sporobolus cryptandrus Orlando Mistretta, Youssef Atallah 2011-8-16 6035 Los Angeles Aliso Canyon, 0.8 miles south of junction of Aliso Canyon Road and Angeles Forest Highway. 1295 Comment
  RSA765391  Stachys bullata Doris Bowers 1966-4-16 815 Los Angeles Malibu Canyon 91 Comment
  LA52388  Stachys rigida subsp. quercetorum E. Lloyd; 1933-4-1 s.n. Los Angeles SANTA MONICA MOUNTAINS, Mulholland Drive. Comment
  CAS-BOT-BC60913  Stanleya pinnata Ernest C. Twisselmann 1964-5-7 9391 Los Angeles Mojave Desert. Avenue E, 5 miles east of Highway U.S. 6. 617 Comment
  SBBG131679  Stebbinsoseris heterocarpa S. A. Junak 1999-5-20 SCa 930 Los Angeles 0.5 mi E of reservoir [reservoir in Cottowood Cyn] 207 Comment
  UCR271702  Stebbinsoseris heterocarpa Mitch Provance, Callen Huff 2009-4-28 10810 B Los Angeles Tehachapi Mountians, Road on ridge overlooking Hwy I-5 about 0.6 miles NE of Gorman 1439 Comment
  CAS-BOT-BC393694  Stellaria media P. A. Munz; R. D. Harwood 1920-3-1 4307 Los Angeles Cobol Canyon 426 Comment
  LA99307  Stellaria media Peter H. Raven; Henry J. Thompson 1959-9-6 14390 Los Angeles Santa Monica Mountains, Malibu Creek, near mouth 12 Comment
  RSA3712  Stellaria media C. B. Wolf 1932-5-11 3559 Los Angeles Fourth O July Cove; Santa Catalina Island 30 Comment
  RSA562568  Stellaria media Steve Boyd, Walter Appleby 1993-4-22 7982 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon. 854 Comment
  UCR146327  Stellaria nitens James Henrickson 1985-3-30 19792 Los Angeles Western Transverse Range, c. 3 air miles NNW of Newhall in proposed North Hills development just north of Santa Clara River and just east of San Francisquito Creek 381 Comment
  SEINET12558146 Image available Stellaria nitens Louis C. Wheeler 1967-1 9261 Los Angeles Liebre Mountains. North side of northwesternmost end of foothills (of San Gabriel Mts.) between Bouquet Junction and Bonelli Ranch 366