Search Results — 2000 specimen records retrieved (1540 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229556  Abronia maritima Geo. B. Grant 1898-4-1 s.n. Los Angeles San Pedro Comment
  SBBG89736  Abronia maritima F. R. Fosberg 1931-5-16 4881 Los Angeles Little Harbor 2 Comment
  UC851627  Abronia maritima F. R. Fosberg 1931-5-16 s 4881 Los Angeles Santa Catalina Island, Little Harbor 2 Comment
  SBBG17752  Abronia umbellata P. H. Raven 1962-4-11 17297 Los Angeles sandy beach behind Northwest Harbor 6 Comment
  UC1136555  Abronia umbellata A. D. Gifford 1934-5-16 249 Los Angeles Triunfo Pass Quadrangle, Dune Point Comment
  UCR254869  Acacia baileyana Dan S. Cooper 2014-6-26 614- 76 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, Cadman Canyon 155 Comment
  UCR205522  Acacia cyclops A. C. Sanders, T. B. Salvato 2009-5-19 36813 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  LA201859  Acacia longifolia Arthur C. Gibson; 2003-9-4 4966 Los Angeles Santa Monica Mountains, Santa Ynez Canyon Comment
  LA49819  Acer macrophyllum W. O. Griesel; 1936-5-9 sn Los Angeles Santa Monica Mountains, Topanga Canyon 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
  SEINET3859921  Acer macrophyllum R. G. Swinney 2009-3-25 10155 Los Angeles San Garbiel Mtns. Foothills: far west end of Glendora Ridge Motorway on north side of road at boundary of El Encanto Azusa River Wilderness Park.; 0 549 Comment
  SFV20850  Acer negundo L. Gross, A. E. Gutman, S. Gutman 2000-9-8 267 Los Angeles San Fernando Valley Tujunga Ponds. 335 Comment
  RSA592517  Achillea millefolium Mark Hoefs, D. Propst 1973-3-14 81 Los Angeles Santa Catalina Island: Cape Canyon. 244 Comment
  RSA596370  Achillea millefolium R. G. Swinney 1989-4-15 s.n. Los Angeles Big Dalton Canyon, in and near Glendora Wilderness Park ''Owl Flats'' 442 Comment
  UCR270660  Acmispon americanus R. G. Swinney 2011-6-29 15326 Los Angeles San Gabriel Mountains, mouth of Monte Cristo Canyon, confluence with Mill Creek 1098 Comment
  UC557692  Acmispon argophyllus var. adsurgens Nell Murbarger April, 1936 146 Los Angeles San Clemente Island. South end and on west side of the Island. 274 Comment
  CAS-BOT-BC204762  Acmispon argophyllus var. argenteus Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-8 4309 Los Angeles San Clemente Island. E side of island, near Malo Point, first cyn S of Bryce Cyn. Comment
  UC864283  Acmispon argophyllus var. argenteus John I. Carlson 1915-6-13 Los Angeles Avalon Santa Catalina Island. Comment
  SBBG95486  Acmispon dendroideus var. dendroideus M. B. Dunkle 1928-11-25 2035 Los Angeles Hamilton Cove Comment
  CHSC97049  Acmispon glaber var. glaber LeRoy Gross; Laura Moore 2000-6-5 202 Los Angeles Verdugo Mountains. Canyon east of Brand Canyon by the Brand Lateral Trail, out of Brand Park, north of corners of Grandview and Mountain, Glendale. 274 Comment
  SD215524  Acmispon maritimus var. maritimus Steve Boyd, Lauren Raz and Timothy S. Ross 1997-4-1 9452 Los Angeles Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of Osito Flat. 792 Comment
  SBBG130701  Acmispon micranthus S. A. Junak 2000-5-6 SCa 1273 Los Angeles just W of Upper Quarry Rd, above Empire Landing, ca. 2.0 mi W of intersection with rd to housing at Empire Landing, flats at top of bluffs 292 Comment
  UCD104242  Acmispon micranthus Louis C. Wheeler 1934-4-15 2526 Los Angeles Liveoak Canyon, San Gabriel Mts. 487 Comment
  UCSB13134  Acmispon nevadensis var. davidsonii 1961-8-4 Los Angeles Along roadside near Peavine Campground, 3 mi. W of Wrightwood on Big Pines Highway; San Gabriel Mtns. 1828 Comment
  SD124214  Acroptilon repens C. W. Tilforth 1972-8-17 621 Los Angeles Open field, Dartmouth Street and Garey Ave.; 1/2 miles north of Foothill Blvd. north edge of Pomona. Comment
  SEINET9327498  Acroptilon repens Unknown 2002-7-10 53580 Los Angeles Los Angeles Comment
  CATA997  Adenostoma fasciculatum Mark L. Hoefs 1994-7-18 1875 Los Angeles Santa Catalina Island: Northeast of upper end of road to White's Landing 243 Comment
  RSA0068253  Adenostoma fasciculatum R. G. Swinney 2010-3-22 12081 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction. 502 Comment
  SEINET181912  Adenostoma fasciculatum Ira W. Clokey 4500 Los Angeles Mandeville Canyon Santa Monica Mountains. 350 Comment
  UCR160023  Adenostoma fasciculatum Steve Boyd, Amber Maurice 2004-5-18 11334 Los Angeles Transverse Ranges; Liebre Mountains region, Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain 610 Comment
  UCR259631  Adenostoma fasciculatum R. G. Swinney 2010-4-15 12215 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  POM90018  Adenostoma fasciculatum Marcus E. Jones 1902-6-28 s.n. Los Angeles Pasadena. Comment
  SEINET11907884  Adenostoma fasciculatum D. P. Reagan 1974-1 10 Los Angeles just E of Sandberg along State Road N-2 Comment
  POM147968  Adenostoma fasciculatum var. fasciculatum Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  LA82109  Adenostoma sparsifolium O. H. Kappler; 1940-7-21 69 Los Angeles 548 Comment
  UCR95269  Adiantum aleuticum L. C. Wheeler 1970-1-4 s.n. Los Angeles Transverse Range; San Gabriel Mtns., East Fork of Santa Anita Canyon, c. 200 yards downstream from the falls 762 Comment
  POM866  Adiantum aleuticum I. M. Johnston 1917-7-1 1445 Los Angeles Near Brown's Flat in Fern Canyon. 1280 Comment
  UCR52960  Aegilops triuncialis B. Lennart Johnson 1964-1 s.n. Los Angeles Grown at University of California, Los Angeles 152 Comment
  RSA142664  Aesculus californica Wesley O. Griesel 1961-5-20 s.n. Los Angeles Millard Canyon 610 Comment
  RSA225659  Ageratina adenophora R. F. Thorne 1971-5-22 39758 Los Angeles Angeles National Forest; Fish Canyon 396 Comment
  UCR145811  Ageratina adenophora June Latting 1973-2-24 s.n. Los Angeles San Gabriel Mountains, Monrovia Canyon 549 Comment
  UCR217308  Ageratina adenophora R. G. Swinney 2009-3-10 10078 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  RSA729740  Agoseris grandiflora R. G. Swinney 1998-7-8 6301 Los Angeles San Gabriel Mtns.: NW of Wrightwood, eastern end of Jackson Flat. 2287 Comment
  UC768681  Agoseris heterophylla var. cryptopleura R. F. Hoover 1938-4-16 3117 Los Angeles near Bailey's; Upper Antelope Valley Comment
  RSA0049587  Agrostis exarata Justin M. Wood, Katy Vinzant, T. Valentovich 2012-6-6 4787 Los Angeles San Gabriel Mountains: Little Rock Creek: just upstream of Little Rock reservoir. 999 Comment
  UC205253  Agrostis exarata I. M. Johnston 1917-7-28 1510 Los Angeles N. Fk San Antonio Canyon <?> San Antonio Mountains 2682 Comment
  UCR223727  Agrostis viridis R. G. Swinney 2009-6-12 11148 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  SD133107  Albizia distachya Steve Morgan 1991-3-3 Los Angeles San Dimas, SW corner of San Dimas Ave & Arrow Hwy. Comment
  RSA656378  Allium amplectens Tami Stevenson 1980-4-28 25 Los Angeles Verdugo Mountains: Located inside of fenced greenhouse area on the Glendale College Campus, 1500 North Verdugo Road, Glendale. Comment
  SEINET12045042  Allium haematochiton L. C. Wheeler 1932-1 451 Los Angeles San Jose Hills at Pomona 305 Comment
  CAS-BOT-BC472945  Allium monticola John Thomas Howell 1947-7-18 23387 a Los Angeles Blue Ridge, San Gabriel Mts. 2590 Comment
  RSA232809  Allium praecox Robert F. Thorne 1966-4-16 36059 Los Angeles San Clemente Island: Canyon below Lemon Tank near dump, S of Nanny, NE side of island 183 Comment
  UCR147295  Allophyllum divaricatum Orlando Mistretta, Peter L. Morrell 1992-6-4 482 Los Angeles Transverse Ranges; San Gabriel Mountains region, Shortcut Canyon, OVH area. Arroyo District, paralleling Big Tujunga 1463 Comment
  RSA28232  Allophyllum divaricatum Verne Grant, Alva Grant 1955-05 9400 Los Angeles [Seed parents in a natural population in Cow Canyon, San Gabriel Mts.] Comment
  SBBG95401  Allophyllum glutinosum M. B. Dunkle 1928-5-13 1934 Los Angeles Coach Rd, rd side near Wishbone Loop Comment
  UCR63780  Alternanthera philoxeroides Don Pendleton 1990-8-17 s.n. Los Angeles San Gabriel Valley, San Dimas, Boneli Regional Park, on south side of Puddingstone Reservoir 306 Comment
  UCR149783  Amaranthus albus Scott D. White, Pam Devries 2004-6-14 10496 A Los Angeles Western Transverse Ranges, Eastern Santa Susana Mountains. West of the I-5 Freeway, c. 4 mi N of I-5 / SH-14 jtn and 6 mi south of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 518 Comment
  SBBG72683  Amaranthus blitoides R. Hoffmann 1927-8-30 Los Angeles near Castaic Comment
  UCR144144  Amaranthus blitoides Scott D. White 1997-5-8 5073 Los Angeles San Gabriel Mtns, San Gabriel River Canyon, N of Azusa. Canyon bottom and adjacent slopes below Morris Dam 305 Comment
  RSA522958  Amaranthus blitoides T. S. Ross, Orlando Mistretta 1990-10-26 3326 Los Angeles E. fork San Gabriel River ca 4/10 air-mile SE of the mouth of Williams Canyon; southern shoulder of Glendora Mountain Road. 536 Comment
  RSA598953  Amaranthus blitoides R. G. Swinney 1989-7-12 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. Mouth of Lewis Paul Canyon. 502 Comment
  RSA70008  Amaranthus californicus F. W. Peirson 1922-7-6 3183 Los Angeles Along Mescal Creek, near Big Pines, north slope of San Gabriel Mts. 2073 Comment
  RSA597171  Amaranthus californicus L. C. Wheeler 1950-9-10 6789 Los Angeles San Gabriel Mountains. San Dimas Canyon Dam. 434 Comment
  CAS-BOT-BC13486  Amblyopappus pusillus George B. Grant; Walter Wheeler 1904-4-21 38 -4682 Los Angeles Catalina Island Comment
  RSA126675  Ambrosia acanthicarpa Peter H. Raven, Henry J. Thompson 1959-9-27 14508 Los Angeles Sepulveda Canyon. (Lat N. 34Y, Long. 118Y to 119Y W.) 244 Comment
  POM277139  Ambrosia acanthicarpa E. S. Steele 1935-10-11 s.n. Los Angeles Glen Oaks Hills, Glendale Comment
  RSA695720  Ambrosia acanthicarpa Keith E. Hoffmaster 1933-9-24 s.n. Los Angeles Near Santa Ana. Comment
  SD66867  Ambrosia chamissonis R. Mitchel Beauchamp 1967-3-19 334 Los Angeles San Clemente Island, sandy area south of Sherman Airfield Comment
  UC557657  Ambrosia chamissonis Nell Murbarger 1936-5-1 214 Los Angeles Northwest Harbor; San Clemente Island Comment
  SFV3922  Ambrosia chamissonis P. G. Kilburn 1958-7-13 856 Los Angeles Malibu Beach, 0.25 miles west of Malibu Pier. Near Malibu Lagoon. Comment
  RSA643297  Ambrosia confertiflora R. D. Goeden, D. W. Ricker 1970-6-10 s.n. Los Angeles San Gabriel Valley: Arcadia, NE side of Colorado Place between Oakhurst Lane and Colorado Blvd., just N of Santa Anita Park. 152 Comment
  UCR17946  Ambrosia dumosa Loretta Bates 1978-5-28 s.n. Los Angeles Western Mojave Desert, [east of Llano] junction of Hwy 138 and Black [Butte] Basin Rd 1037 Comment
  UCD128824  Ambrosia psilostachya Malcolm A. Nobs 1948-9-8 646 Los Angeles just west of Malibu. Comment
  POM86818A  Amelanchier utahensis F. W. Peirson 1919-6-14 471 -A Los Angeles Rock Creek Divide, north side of San Gabriel Mountains. 2012 Comment
  CHSC95765  Amorpha californica var. californica LeRoy Gross; Laura Moore 2000-6-5 222 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 579 Comment
  UCR183986  Amsinckia intermedia A. C. Sanders 2007-4-19 33437 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  RSA499945  Amsinckia intermedia M. B. Dunkle 1939-4-6 7294 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  UC78286 Image available Amsinckia microsperma T. S. Brandegee 1889-5-1 Los Angeles Santa Catalina Island Comment
  SEINET3083519 Image available Amsinckia tessellata Steve Myers, Ed LaRue 1989-3-20 Los Angeles Palmdale area. Elizabeth Lake Road at California Aqueduct, San Andres rift zone bisects site. 884 Comment
  UCSB45405  Amsinckia tessellata Osburn, Rob 1979-3-25 Los Angeles West Antelope Valley - 70th St. and Ave. L 716 Comment
  RSA0091452  Amsinckia tessellata var. tessellata L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mountains: Mesa on east side of Cruthers Creek, Lewis Ranch. 1356 Comment
  LA34905  Anagallis arvensis Mary V. Hood; 1936-3-5 37 14 Los Angeles Santa Monica Mountains, Higgins Canyon Comment
  RSA660850  Anagallis arvensis Darron David 1992-5-15 10 Los Angeles [Hacienda] Heights, 1.2 miles west of the intersection of Colima Rd. and Haliburton Rd. Clementina Dr. Comment
  UCR155609  Ancistrocarphus filagineus A. C. Sanders 2005-5-11 30144 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Canyons 655 Comment
  POM11788  Andropogon glomeratus var. scabriglumis Geo. L. Moxley 1917-9-3 s.n. Los Angeles Eaton Canyon, San Gabriel Mountains. Comment
  SEINET10560288  Andropogon glomeratus var. scabriglumis Louis C. Wheeler 1946-9-9 Wheeler 6367 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, 1/2 mile E of Bear Creek. Moist soil about south-facing calcareous seep. 518 Comment
  POM307210  Anemopsis californica Henry J. Ramsey, Henry J. Ramsey 1937-6-24 2060 Los Angeles Big Pines, Palmdale Road. Comment
  RSA509604  Anisocoma acaulis L. C. Wheeler 1967-5-12 9453 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA587107  Anisocoma acaulis Orlando Mistretta 1995-4-21 1637 Los Angeles Little Rock Creek, Unnamed canyon draining the west slopes of Little Rock Creek Canyon 0.5 mi. N of Kitter Canyon. 1098 Comment
  UCSB6335  Anisocoma acaulis Haller, John 1957-4-13 Los Angeles On Palmdale Ave., 0.7 miles E. of junction with California 138 and ca. 9 miles E of Center of Palmdale 762 Comment
  RSA175132  Anisocoma acaulis R. F. Thorne 1963-5-15 31687 Los Angeles 1 mile W of Los Angeles Co. line on Route 138, ca. 2 miles W of Desert Springs. 1219 Comment
  UCR136923  Antirrhinum kelloggii B. C. Templeton 1931-3-29 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  SFV13112  Antirrhinum nuttallianum W. M. Perry 1980-7-3 71 Los Angeles San Gabriel Mountains East side of Cattle Canyon. Comment
  UC150064  Antirrhinum nuttallianum subsp. nuttallianum LeRoy Abrams 1902-6-8 2496 Los Angeles Playa del Rey Comment
  CATA745  Antirrhinum nuttallianum subsp. subsessile Mark L. Hoefs 1991-5-22 1271 Los Angeles Santa Catalina Island: Upper Cherry Valley 143 Comment
  SBBG31219  Antirrhinum nuttallianum subsp. subsessile R. F. Thorne 1966-4-5 35876 Los Angeles lower portion of Cottonwood Cyn 106 Comment
  SBBG58620  Apocynum cannabinum R. Hoffmann 1928-7-7 Los Angeles Acton Comment
  POM175575  Aquilegia formosa E. Crow 1930-6-28 s.n. Los Angeles Bichota Canyon, San Gabriel Mountains. Comment
  POM366917  Aquilegia formosa John E. Marble 1894-5-26 s.n. Los Angeles Rock Creek. Comment
  RSA0033869  Arabis John F. Emmel 1997-4-28 1458 Los Angeles Sierra Pelona; along USFS Road 6N07, 1.1 road miles ENE of junction with Road 6N08. 1371 Comment
  SBBG125533  Arabis eschscholtziana A. Parikh, N. Gale 2010-6-15 3298 Los Angeles upper Big Tujunga Cyn, 0.3 km ENE of Shortcut Station, 0.7 km N of St Hwy 2, San Gabriel Mtns 1295 Comment
  UC1586193  Arabis glabra Tim Ross 1991-8-16 5822 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat U.S.G.S 7.5' Quad. 1719 Comment
  CAS-BOT-BC407776  Arceuthobium californicum Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-25 3768 Los Angeles low saddle between Crystal Lake and the depression to its SSW 1716 Comment
  RSA226949  Arceuthobium californicum Robert F. Thorne 1971-8-25 41235 Los Angeles San Gabriel Mts., Angeles National Forest: Mt. Baden-Powell, N slope along trail to Vincent Gap 2226 Comment
  RSA611879  Arceuthobium campylopodum Louis C. Wheeler 1932-8-2 1115 Los Angeles Pine Flat, N Fork San Gabriel R., San Gabriel Mountains. 1738 Comment
  SBBG31018  Arctostaphylos catalinae R. F. Thorne 1966-4-28 36258 Los Angeles Hay Press area [Haypress] 426 Comment
  SEINET11993683  Arctostaphylos gabrielensis W. Knight, Knight, I. 1986-1 6001 Los Angeles Angeles National Forest, Mill Creek Campground 1219 Comment
  RSA626714  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-8-20 20207 Los Angeles Angeles Crest Highway, above Switzers. 1070 Comment
  RSA626728  Arctostaphylos glandulosa Jon E. Keeley, Melanie Baer-Keeley 1992-10-15 22112 Los Angeles Glendora Ridge Road, 7 km southwest of Baldy Road. 1410 Comment
  CAS-BOT-BC23249  Arctostaphylos glandulosa subsp. glandulosa Lewis S. Rose 1946-12-20 46291 Los Angeles Santa Monica Mts., Triunfo Pass 670 Comment
  CAS-BOT-BC27184  Arctostaphylos glandulosa subsp. glaucomollis P. V. Wells 1960-4-16 48 Los Angeles Miller Canyon, N side San Bernardino Mtns., road to Arrowhead Lakes 1005 Comment
  RSA626759B  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley 1993-11-15 25169 Los Angeles Shortcut, Angeles Crest Hwy. 1430 Comment
  SFV21852  Arctostaphylos glandulosa subsp. mollis L. L. Zung 2011-2-14 14 Los Angeles Verdugo Mountains North side of Verdugo Mountains, La Tuna Canyon. West La Tuna Canyon Road. 550 Comment
  UC21842  Arctostaphylos glandulosa subsp. mollis Harley P. Chandler 1897-4-12 Los Angeles mt. side Claremont 1219 Comment
  RSA631210  Arctostaphylos glandulosa var. cushingiana Jon E. Keeley, Melanie Baer Keeley 1992-10-11 21978 Los Angeles Liebre Mountains, 1.5 km east of Bear Campground. 1700 Comment
  CAS-BOT-BC39350  Arctostaphylos glauca S. Y. Parnay March 262 Los Angeles Mount Wilson 914 Comment
  LA204831  Arctostaphylos glauca A. M. Johnson; 1927-10-21 2662 Los Angeles Palmdale? Comment
  POM3406  Arctostaphylos glauca C. F. Baker 1904-2-15 7013 Los Angeles San Antonio Canyon Comment
  RSA631460  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16016 Los Angeles Ridge Route, 23 km south of Liebre Gulch turnoff. 800 Comment
  RSA631631  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15853 Los Angeles San Gabriel Canyon, Highway 39, 15 km north of ORV area. 1300 Comment
  RSA631665  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15814 Los Angeles San Gabriel Canyon, Highway 39, 9-10 km north of ORV area. 900 Comment
  RSA631673  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20213 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA651552  Arctostaphylos glauca Claude T. Powers 1949-01 s.n. Los Angeles In original spot but now an ornamental. 5050 Angeles Crest. La Canada. 512 Comment
  SFV2644  Arctostaphylos glauca K. A. Wilson 1961-3-11 989 Los Angeles San Gabriel Mountains San Francisquito Canyon. 1.5 miles south of Green Valley (Spunky Canyon Road). 825 Comment
  UC450794  Arctostaphylos glauca Fay A. McFadden 1931-4-25 2934 Los Angeles half way to ridge (old road to Burbank); Verdugo Hills, Tuna Canyon Comment
  RSA0087361  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15794 Los Angeles San Gabriel Canyon, Hwy 39, 9-10 km N of ORV area, San Gabriel Mountains. 900 Comment
  RSA634360  Arctostaphylos parryana subsp. parryana Jon E. Keeley, Allen Massihi 1992-8-21 20627 Los Angeles Angeles Crest Highway, 1.7 km north of Sulphur Springs Road, San Gabriel Mountains. 1890 Comment
  RSA635149  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22032 Los Angeles Dirt road between Chilao and Mill Creek Summit, 2.7 km E of turnoff to Pacifico Mtn., San Gabriel Mtns. 1825 Comment
  RSA635234  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20669 Los Angeles Angeles Crest Hwy., Dawson Saddle. San Gabriel Mtns. 2410 Comment
  RSA704203  Arenaria macradenia var. arcuifolia Naomi Fraga, Bill Hogshead 2004-6-10 1252 Los Angeles Sawmill Mountain Road (7N23). 1311 Comment
  UC8105  Arenaria macradenia var. arcuifolia J. H. Barber 1897-7-11 248 Los Angeles Summit of Mt. Gleason Comment
  CHSC110177  Argemone munita Jane Tirrell; Graham Bothwell 2012-7-11 LS 0105 Los Angeles Transeverse Ranges; San Gabriel Mountains region: North side California State Route 2 approx. 200 m east of mile marker 67.86. Alt: 2308m/7587 ft. 2308 Comment
  UCR270215  Argemone munita R. G. Swinney 2011-7-7 15435 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
  POM6576  Artemisia californica L. R. Abrams 1916-10-31 6374 Los Angeles Cahuenga Pass Comment
  RSA535723  Artemisia californica Timothy S. Ross 1991-5-22 5464 Los Angeles San Clemente Island: Spray Canyon; short canyon 2400 feet ENE of Spray (which in turn is 5200 feet N of Eel Point), W side of island. 79 Comment
  UC1119575  Artemisia californica J. Horton 1936-2-27 252 Los Angeles near San Dimas Canyon Dam; Pomona Quadrangle, San Dimas Watershed Comment
  CAS-BOT-BC90342  Artemisia douglasiana L. A. Greata 1900-9-30 s.n. Los Angeles Eaton [Canon] Canyon Comment
  CAS-BOT-BC93868  Artemisia dracunculus F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  RSA0039392  Artemisia dracunculus R. G. Swinney 2009-11-16 11639 Los Angeles Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  RSA0096421  Artemisia dracunculus R. G. Swinney 2011-10-27 15920 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream 649 Comment
  UC1119363  Artemisia dracunculus A. Lewis 1934-2-1 285 Los Angeles Oak Springs San Fernando Quadrangle, Oak Springs Comment
  UC557794  Artemisia nesiotica Nell Murbarger 1936-4-1 127 Los Angeles extreme southern part San Clemente Island Comment
  SEINET269843  Artemisia tridentata Miles Fellows 1981-12-13 Los Angeles Adjacent to highway 2 at Big Pines 1920 Comment
  SBBG62480  Artemisia tridentata subsp. parishii R. Hoffmann 1931-9-28 Los Angeles Lancaster Comment
  SEINET3360495 Image available Artemisia tridentata subsp. tridentata A. A. Beetle 1958-9-5 13081 Los Angeles Newhall. Comment
  RSA156158  Arthrocnemum subterminale L. R. Abrams 1904-9-6 4197 Los Angeles San Pedro Comment
  RSA401380H  Asclepias californica Museum Jrs 1945-06 s.n. Los Angeles Seminole Hot Springs. Comment
  UCSB18313  Asclepias californica Mori, Dianna 1964-5-3 Los Angeles Old Ridge Road, 3 miles from State Highway 138 1127 Comment
  UCR129921  Asclepias vestita Orlando Mistretta 1995-6-1 1762 -A Los Angeles San Gabriel Mtns., Carr Canyon 1021 Comment
  UCR197790  Asclepias vestita subsp. parishii Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 85 Los Angeles Transverse Ranges; San Gabriel Mountains, south edge of Bob's Gap, on slopes and roadside, and down in the wash 1433 Comment
  RSA535544  Aspidotis californica T. S. Ross, Annette Ross 1991-9-7 5955 Los Angeles Santa Monica Mountains: near Mulholland Highway x Yerba Buena Road. 402 Comment
  RSA762140  Asplenium vespertinum Orlando Mistretta, Christine Mistretta 2008-5-15 3064 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 75 per TRTP Survey 2008), W fork of the San Gabriel River, Shortcut Cyn. 1200 Comment
  UCR142533  Aster greatae P. H. Raven, Wesley O. Griesel 1970-10-13 16842 Los Angeles San Gabriel Mtns., Upper Arroyo Seco, about 200 yards above Switzers Camp 762 Comment
  CAS-BOT-BC180497  Astragalus brauntonii A. Davidson 1906-6-1 s.n. Los Angeles Sherman Comment
  SD113716  Astragalus didymocarpus Darley F. Howe 1948-5-3 1804 Los Angeles 1.5 miles south of Lancaster Comment
  UCR163442  Astragalus didymocarpus B. G. Pitzer 1998-5-23 3725 Los Angeles Western Mojave Desert, c. 18 air mi. NW of Adelanto, 12.8 mi (air) west of the San Bernardino Co. line, 240th St. East, c. 3.6 mi. north of junction with El Mirage Rd (Ave. 'P') & c. 2.9 mi. south of Avenue 'J 866 Comment
  UC903401  Astragalus didymocarpus Lois E. James 1946-4-25 1747 Los Angeles along the railroad tracks at Acton (Soledad Canyon); , Acton Comment
  CAS-BOT-BC182295  Astragalus didymocarpus var. didymocarpus Blanche Trask 1903-6-1 206 Los Angeles San Clemente Island Comment
  RSA230657  Astragalus douglasii var. douglasii R. F. Thorne, M. Z. Thorne 1969-7-9 38479 Los Angeles Angeles National Forest: Table Mt. above Big Pines Ranger Station. 2119 Comment
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Oct 23 2007
  UCR204449  Astragalus gambelianus R. G. Swinney 2005-4-15 8219 Los Angeles San Gabriel Mtns., Glendora, South Hills, junction of Wild Iris Trail and South Hills Trail 351 Comment
  RSA199012  Astragalus lentiginosus var. variabilis W. M. Gauntt 1966-3-26 110 -A Los Angeles Route 58, 20 miles E of Mojave. 1250 Comment
  CAS-BOT-BC187482  Astragalus leucolobus H. M. Hall 1900-6-3 1489 Los Angeles Swarthout Canyon. San Antonio Mountains 1828 Comment
  UCR142895  Astragalus miguelensis M. B. Dunkle 1939-4-5 7267 Los Angeles Channel Islands, San Clemente Island, China Point 30 Comment
  RSA96523  Astragalus pomonensis E. K. Balls 1954-1-8 18719 Los Angeles Native to Botanic Garden site, open area among rocks. Claremont. 366 Comment
  RSA583046  Astragalus trichopodus var. lonchus T. S. Ross 1993-4-22 6890 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft.); southerly coastal slope of 1320 m SE of Cactus Peak summit. 351 Comment
  SD125943  Astragalus trichopodus var. lonchus Lyman Benson, Robert Benson and Joseph Lanjoiw 1953-5-2 15111 Los Angeles Santa Catalina Island, White's Landing, Island Relic Flora, Pacific Ocean Drainage 14 Comment
  LA210506  Astragalus trichopodus var. trichopodus T. R. Huggins; 2013-3-19 13- 21 Los Angeles Diamond Bar. On disturbed grassy hills adjacent to, and N of the 60 Fwy at its intersection with the 57 Fwy 212.0 Comment
  UCR214040  Athysanus pusillus A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37975 Los Angeles Tehachapi Mountains, Crane Canyon, 1.0 mi. SE (144 deg. ) of Castac Lake, 1.7 mi. NE (43 deg. ) of Gorman, just S of Kern Co. line 1189 Comment
  RSA411861  Atriplex argentea subsp. expansa F. R. Fosberg 1930-7-7 S- 3156 Los Angeles Alamitos Bay 2 Comment
  SFV15338  Atriplex californica J. C. Dittes, P. Dittes 1990-3-17 55 Los Angeles Santa Monica Mountains El Matador State Beach trail. 18 Comment
  UC624992  Atriplex californica F. R. Fosberg 1931-4-29 S 4710 Los Angeles mouth Cottonwood Canyon (cliffs, Santa Catalina Island); Santa Catalina Island, mouth Cottonwood Canyon 5 Comment
  RSA670391  Atriplex canescens B. C. Templeton 1931-5-17 1203 Los Angeles W. of Lancaster, Mojave Desert. Comment
  SEINET3930764  Atriplex canescens Louis C. Wheeler 1967-5-12 9487 Los Angeles San Gabriel Mountains. Between summits 4174 ad 4183, east of Vincent.; 0 1250 Comment
  UCR140639  Atriplex canescens Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-17 3- 27 Los Angeles San Gabriel Mtns/Mojave Desert, Route 18 at W 263 Street, Site L3 1033 Comment
  RSA585417  Atriplex canescens subsp. canescens T. S. Ross 1990-5-29 2684 Los Angeles SE edge of VALYERMO: along NE side of Valyermo Rd from ca 3730-3750, then S of the road. 1143 Comment
  SBBG65415  Atriplex canescens var. canescens R. Hoffmann 1927-8-30 Los Angeles near Castaic 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
  OBI17301  Atriplex nummularia Louis C. Wheeler 1933-4-27 1657 Los Angeles Playa del Rey 8 Comment
  UCR204547  Atriplex rosea R. G. Swinney 2005-8-5 8361 Los Angeles San Gabriel Mtns, Caldwell Lake at Mile High, 0.4 mi. west of jct. of 204th St. East and Big Pines Hwy 1566 Comment
  RSA587185  Atriplex semibaccata Scott D. White 1995-12-5 3763 Los Angeles Marina Del Rey area; State Rt. 90 median strip between Culver Bl. and Mindanao Way 5 Comment
  SBBG128367  Atriplex semibaccata M. L. Hoefs 1991-5-22 1287 Los Angeles near rd to Two Harbors in cyn SE of Little Harbor 54 Comment
  SD129242  Atriplex semibaccata A. C. Sanders 1987-12-4 7440 Los Angeles El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Drive. 29 Comment
  UCR24093  Atriplex semibaccata John C. Roos 1937-9-7 s.n. Los Angeles Westwood Village, Los Angeles 90 Comment
  SFV1080  Atriplex semibaccata M. L. Vincent 1962-12-5 313 Los Angeles Santa Monica Mountains 0.5 miles west of Cold Canyon Road on Mulholland Highway. Comment
  RSA128009  Atriplex subspicata P. H. Raven, H. J. Thompson 1959-10-18 s.n. Los Angeles Mouth of Topanga Canyon, Santa Monica Mountains. 5 Comment
  RSA223704  Atriplex torreyi E. C. Twisselmann 1970-9-8 17474 Los Angeles North end of Rosamond Lake. 732 Comment
  SBBG31469  Avena barbata R. F. Thorne 1966-4-6 35893 Los Angeles between White and Moonstone Coves 15 Comment
  SD69355  Avena barbata Robert F. Thorne, P. Everett 1965-5-11 34587 Los Angeles North beach at base of rocky slope, Little Harbor, Santa Catalina Island. 14 Comment
  CATA714  Avena fatua Mark L. Hoefs 1991-5-3 1214 Los Angeles Santa Catalina Island: Above road on north-west side of Descanso Canyon, near entry to Hamilton Cove 79 Comment
  RSA385399  Avena fatua Samuel Pusateri 1941-7-17 s.n. Los Angeles Griffith Park, Los Angeles. Comment
  RSA466285A  Avena fatua A. C. Sanders 1988-2-3 7607 Los Angeles El Segundo Dunes, immediately W of LA..International Airport and Pershing Drive, E of Vista Del Mar Boulevard. 30 Comment
  RSA599028  Baccharis pilularis L. C. Wheeler 1967-11-11 s.n. Los Angeles Santa Susana/San Gabriel Mountains: Newhall Creek, 0.2 mi. east of Fremont Pass Comment
  POM350363  Baccharis salicifolia B. C. Templeton, I. W. Clokey 1930-3-11 414 Los Angeles Near Beverly Blvd Westwood 200 Comment
  RSA717416  Baccharis salicifolia Gary Kovnat, LeRoy Gross 2003-1-19 4 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace east meadow gully. Comment
  UC1118900  Baccharis salicifolia subsp. salicifolia F. H. Raymond 1930-3-3 55 Los Angeles San Rafael Mountains Pasadena Quadrangle, San Rafael Mountains 243 Comment
  CAS-BOT-BC16441  Barbarea orthoceras Timothy S. Ross 1994-4-28 7565 Los Angeles Liebre Mountains. Cottonwood Swamp. 515 Comment
  SD112592  Bassia hyssopifolia Darley F. Howe 1938-8-2 729 Los Angeles Coast south of Long Beach. Comment
  CAS-BOT-BC75757  Berberis nevinii Fordyce Grinnell 1916-2-1 s.n. Los Angeles Pacoima Wash near San Fernando. Comment
  OBI6014  Berberis nevinii Carl B. Wolf 1927-1 Los Angeles Comment
  RSA177680  Beta macrocarpa R. F. Thorne, P. C. Everett 1965-5-11 34538 Los Angeles Santa Catalina Island. Shoreline along Catalina Harbor. Comment
  UCR126597  Beta vulgaris A. C. Sanders, Mark Elvin 2003-8-7 27158 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom east of Del Valle 282 Comment
  RSA423235  Beta vulgaris Wm. Martin, Robert Gustafson 1971-7-14 s.n. Los Angeles Corner of Jefferson and Rodeo Blvd., Los Angeles. Comment
  UCD97724  Beta vulgaris subsp. maritima Robert F. Thorne; P. Everett 1965-5-11 34538 Los Angeles Salt flats N, and rocky shore line along Catalina Harbor, Santa Catalina Island. Comment
  CDA2992  Beta vulgaris subsp. maritima T. S. Ross, Annette Ross 1991-6-3 5519 Los Angeles Elephant Hill, W Pomona. Comment
  POM13560  Bidens pilosa Philip A. Munz 1922-11-20 6563 Los Angeles Charter Oak, along track of Pacific Electric. Comment
  RSA683190  Bidens pilosa var. pilosa Scott D. White 2003-10-14 9829 Los Angeles Foothills above Sierra Madre; LA Dept. of Public Works 'Auburn' debris basin, above the north terminus of Auburn Ave. (Mt. Wilson) 396 Comment
  SEINET11838156  Blennosperma nanum C. G. Pringle 1882-1 s.n. Los Angeles Wilmington Comment
  CHSC24193  Bloomeria crocea T. P. Spira 1976-6-7 57 Los Angeles On ne slope in Stokes Canyon, 1 mi n of Mulholland Hwy. And 200 yd from Stokes Canyon Rd. (e side). Comment
  SFV671  Bloomeria crocea R. L. Armacost Apr 1934 s. n. Los Angeles Santa Monica. Vacant hillside. Comment
  RSA0051628  Bloomeria crocea Dennis Fordham 1951-5-20 s.n. Los Angeles Topanga, highway side near Kneen Place. 274 Comment
  RSA653787  Bloomeria crocea var. crocea J. Bogdanoff-Lord 1989-5-12 13 Los Angeles Angeles National Forest; 3.9 miles NNE of the intersection of Base Line & Mills, Claremont, on west side of Mt. Baldy Road. Comment
  SBBG126172  Bolboschoenus maritimus A. C. Sanders with T. B. Salvato, M. Provance 2009-5-27 36963 Los Angeles confluence of San Gabriel River and Walnut Crk, between El Monte and Baldwin Park, S of I-10 Fwy and N of Valley Blvd, W of I 605 Fwy, under SCE powerlines 83 Comment
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Mar 24 2014
  CATA3503  Bothriochloa barbinodis Julia Parish, Olivia Reda 2017-8-29 034 Los Angeles Santa Catalina Island: Avalon; Baker's Dam on Falls Canyon Road by water tanks 110 Comment
  SFV21063  Bowlesia incana L. Gross 2001-5-6 385 Los Angeles Verdugo Mountains Along trail that comes up from Morning Glow Way off of La Tuna Canyon Road in city of Sun Valley. Comment
  HSC12469  Boykinia rotundifolia Wendell Wood 1970-6-24 45 Los Angeles Switzer's Camp. Angeles Crest Hwy., 9 mi. beyond intersection with Foothill Blvd. 915 Comment
  RSA0083161  Boykinia rotundifolia R. G. Swinney 2010-8-9 13472 Los Angeles Big Santa Anita Canyon, Camp Sturtevant. 1049 Comment
  RSA584306  Boykinia rotundifolia T. S. Ross, W. Appleby 1993-6-7 7368 -B Los Angeles W end of the San Gabriel Mountains: Los Pinetos Spring. 887 Comment
  UCR272516  Boykinia rotundifolia R. G. Swinney 2011-10-27 15934 Los Angeles San Gabriel Mountains, 1.4 miles east (downstream) from entrance gate to Cogswell Dam, at confluence of Butterfield Cyn. and W Fork San Gabriel River, along West Fk. Natl. Scenic Bikeway 634 Comment
  CATA20  Brachypodium distachyon USC Wrigley Interns: Daniel Kasang, Sabrina Lawrence-Gomez, Alexandria Cheung, Miller Zou, Sarah Ratay 2011-7-1 6 Los Angeles Santa Catalina Island: Deer Valley Trail 4 Comment
  SBBG38301  Brassica fruticulosa S. D. White 2001-2-4 8155 Los Angeles Evey Cyn, a tributary to San Antonio Cyn just above San Antonio Flood Control Dam 732 Comment
  RSA0042799  Brassica nigra Elwood Fordham 1951-3-15 s.n. Los Angeles Topanga, Max Silvernale's. 274 Comment
  RSA482918  Brassica rapa F. R. Fosberg 1930-6-26 S- 3077 Los Angeles Lower Ballona Creek 5 Comment
  UCR108363  Brickellia californica L. C. Wheeler 1961-6-13 7873 Los Angeles San Gabriel Mtns., Pacoima Canyon near Dutch Louie Camp 716 Comment
  IRVC26170  Brickellia nevinii A. C. Sanders, Mark A. Elvin 2003-6-18 26962 Los Angeles private dirt road along crest of range, above Salt Canyon Santa Susana Mountains, Western Transverse Range 976 Comment
  RSA604141  Brickellia nevinii L. C. Wheeler 1956-9-16 7238 Los Angeles San Gabriel Mountains: Prairie Fork. 1828 Comment
  UC1584038  Brickellia nevinii Tim Ross and Orlando Mistretta 1990-10-24 3294 Los Angeles 0.6 mi e of, along Upper Monroe Road San Gabriel Reservoir (sw-facing rocky slope between Venedo and Minero Canyons, San Gabriel Mountains); San Gabriel Mountains 745 Comment
  POM1674  Brodiaea jolonensis O. W. Robinson 1946-5-7 s.n. Los Angeles Johnson s Pasture. Comment
  SBBG17803  Bromus arizonicus P. H. Raven 1962-4-9 17126 Los Angeles near barracks, Wilson Cove 60 Comment
  RSA714791  Bromus carinatus A. C. Sanders 2003-5-26 26848 Los Angeles San Gabriel Valley: long abandoned gravel pit on the 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. 159 Comment
  SBBG131614  Bromus carinatus S. A. Junak 1999-5-8 SCa 918 Los Angeles Fern Cyn, Cottonwood Cyn watershed, just upstream from fenceline, elevated floodplain Comment
  UCD58129  Bromus carinatus Peter H. Raven 1960-5-15 15355 Los Angeles Santa Monica Mountains. Piuma Road, 2.1 miles east of Rambla Pacifica. 487 Comment
  LA13814  Bromus diandrus A. M. Johnson; 1937-10-28 83 Los Angeles SANTA MONICA MOUNTAINS, Above W.P.E. near Sunset, UCLA campus. Comment
  RSA536079  Bromus diandrus Timothy S. Ross 1991-5-21 5424 Los Angeles San Clemente Island: upper reaches of Box Canyon, SW side of island. 366 Comment
  RSA599354  Bromus diandrus L. C. Wheeler 1968-3-17 s.n. Los Angeles West Fork Morgan Canyon at Ferguson Motorway. 412 Comment
  UCR259186  Bromus diandrus R. G. Swinney 2010-4-28 12381 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  RSA0031723  Bromus diandrus Paul Neipp 1994-4-8 4 Los Angeles Ranger Station on San Dimas Canyon Rd. Directly west of San Dimas. Comment
  UC1870330  Bromus grandis LeRoy Gross, Valerie Soza 2001-6-6 430 Los Angeles [Transverse Ranges; Verdugo Mountains region]; Verdugo Mountains, north side; Hostetter Mountain Way, off of La Tuna Canyon Road. 671 Comment
  RSA92042  Bromus grandis F. W. Peirson 1918-5-19 1556 Los Angeles Millard's Canyon, south base of San Gabriel Mts. Comment
  RSA0097617  Bromus hordeaceus R. G. Swinney 2011-4-28 14530 Los Angeles San Gabriel Mountains: north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 878 Comment
  RSA363872  Bromus hordeaceus Alva Watry 1931-5-6 s.n. Los Angeles Los Angeles. Comment
  RSA599505  Bromus hordeaceus Steve Boyd, Lauren Raz 1997-3-26 9330 Los Angeles Liebre Mountains Region: Portal Ridge north of Lake Hughes, upper end of Myrick Canyon drainage along Lakeview Road. 1098 Comment
  SEINET7106140  Bromus hordeaceus K. Dobry 1991-5-13 482 Los Angeles West San Gabriel Mts. at Elsmere Canyon.; 0 Comment
  UCSB12226  Bromus hordeaceus Hochberg, Fred 1961-3-17 Los Angeles Below Cape Canyon Dam; Black Jack Ranch; Cape Canyon, Catalina Island Comment
  LA82514  Bromus madritensis subsp. rubens O. H. Kappler; 1943-4-28 382 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  CAS-BOT-BC177170  Bromus rubens Timothy S. Ross; Steve Boyd 1994-5-4 7634 Los Angeles San Francisquito Canyon: Headwaters of the canyon, NE of Green Valley; ca 600 m SW of summit of grade; ca 2460 m ESE of Grass mtn summit 1075 Comment
  POM363929  Bromus rubens Edith A. Purer, Freda Detmers 1931-3-25 s.n. Los Angeles Palos Verde Hills. Comment
  RSA0036765  Bromus rubens Michelle Cleveland 1981-2-14 18 Los Angeles Hwy 10 East, exit on Etiwanda, head North, take next Right, stop at agriculturely maintained field next to Etiwanda and adjacent the Hwy. Comment
  RSA584623  Bromus rubens Timothy S. Ross, Steve Boyd 1991-4-25 4618 Los Angeles San Gabriel Mountains: mouth of Graveyard Canyon (which joins lower E Fork of San Gabriel River at 1540 ft. elev.). 482 Comment
  RSA599113  Bromus rubens V. W. Steinmann 1990-3-30 816 Los Angeles Pomona, Elephant Hill. 300 Comment
  UCR50722  Bromus tectorum L. F. LaPre 1988-5-13 s.n. Los Angeles Western Transverse Range, Lake Hughes, 16 mi (airline) west of Lancaster in the San Andreas Rift. 1037 Comment
  LA35971  Bromus tectorum Peter H. Raven; Henry J. Thompson 1960-5-29 15427 Los Angeles SANTA MONICA MOUNTAINS, Malibu Canyon, 3.7 mi N of Pacific Coast Hwy. 121 Comment
  RSA0019970  Bromus tectorum D. Charlton 1989-4-13 2876 Los Angeles Mojave Desert. Palmdale. Comment
  LA201646  Buddleja saligna Arthur C. Gibson; 2003-12-27 5007 Los Angeles SANTA MONICA MOUNTAINS, Schleuren Road at mile marker 0.24, near junction of Stunt and Saddle Peak roads. Comment
  CATA1155  Cakile maritima Mark L. Hoefs 1995-5-30 2147 Los Angeles Santa Catalina Island: Ben Weston Beach 4 Comment
  UCR200186  Calandrinia breweri Valerie Soza, Laura A. Moore 2000-5-10 870 Los Angeles Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive from fire gate to powerlines to peak ''1936' 518 Comment
  RSA533486  Calandrinia ciliata Timothy S. Ross 1991-3-9 4181 Los Angeles Whittier Hills (Puente Hills, pro parte): SE side of ridgetop knoll, head of Oak Canyon 369 Comment
  UCR101723  Calandrinia ciliata B. G. Pitzer 1998-5-23 3730 Los Angeles Western Transverse Range, Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  UCR187210  Calandrinia ciliata A. C. Sanders 2006-4-21 32135 Los Angeles Tehachapi Mtns. Foothills, hills c. 1.25 miles east of Quail Lake, east of the Cement Plant Rd. and SE of Calif. Aqueduct, c. 0.25 mi. north of Hwy 138 1037 Comment
  CAS-BOT-BC438407  Calandrinia ciliata I. Johnston 1917-3-10 s.n. Los Angeles Upland 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
  UC1215145  Calandrinia ciliata Peter H. Raven 1962-4-10 17198 Los Angeles n-facing clayey slopes <of> Thirst; San Clemente Island 579 Comment
  CATA1101  Calandrinia menziesii Mark L. Hoefs 1995-5-23 2055 Los Angeles Santa Catalina Island: Middle Canyon near junction of Middle Canyon Road and road to Camp Cactus 118 Comment
  UC1971219  Calandrinia menziesii Louis C. Wheeler 1969-5-4 Los Angeles SAN GABRIEL MOUNTAINS: East side Little Tujunga Canyon, 3/4 mile south southeast Herreres Ranch. Comment
  HSC15386  Calochortus albus David Porter 1965-5-16 Los Angeles 1.0 mi. off Mulholland Hwy. on Old Topanga Canyon Rd. 305 Comment
  RSA674644  Calochortus albus Scott D. White, Pam DeVries 2000-5-18 7899 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
  RSA733426  Calochortus albus Richard G. Swinney 2000-5-25 7784 Los Angeles San Gabriel Mnts.: Azusa, 0.5 mi. east of San Gabriel Canyon Information Station on Hwy 39 at mouth of canyon. 1000 Comment
  RSA377309  Calochortus catalinae T. S. Clare 1929-3-26 s.n. Los Angeles Los Angeles Comment
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Oct 3 2014
  SEINET3364116 Image available Calochortus catalinae Marcus E. Jones 1982-5-1 3212 Los Angeles Los Angeles Comment
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Sep 16 2014
  UCR835  Calochortus catalinae J. E. Dimitman 1957-4-17 s.n. Los Angeles North side of San Jose Hills, off Buenos Aires Dr. 274 Comment
  RSA680328  Calochortus clavatus Scott D. White, Michael Honer, Dylan Hannon 2003-6-25 9607 Los Angeles Tapia Canyon area, ca. 2 - 3 air miles west of I-5 jtn. w/ Ridge Rt. Rd. 396 Comment
  SEINET4169784  Calochortus clavatus Ira W. Clokey, B. Templeton 4552 Los Angeles Mandeville Canyon, Santa Monica Mountains 500 Comment
  SEINET3885345  Calochortus clavatus Bonnie C. Templeton 1930-5-13 1402 Los Angeles Bouquet Canyon San Gabriel Mts.; 0 600 Comment
  RSA779255  Calochortus clavatus var. clavatus Pam De Vries 2011-4-22 7758 Los Angeles Western Transverse Range, southwest portion of the Liebre Mountains; about 2.5 air miles NNE of the intersection of Copper Hill and McBean Parkway (Santa Clarita); about 0.5 air miles west of San Freancisquito Canyon Road 602 Comment
  RSA369025  Calochortus invenustus Anstruther Davidson s.n. Los Angeles Mt. Baldy, San Gabriel Mountains., Los Angeles/San Bernardino County. 2744 Comment
  RSA729666  Calochortus invenustus Richard G. Swinney 1998-7-2 6256 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  CAS-BOT-BC483413  Calochortus invenustus John Thomas Howell 1947-7-18 23414 Los Angeles Blue Ridge, San Gabriel Mountains 2590 Comment
  UCR191272  Calochortus kennedyi R. G. Swinney 2001-6-16 7982 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
  RSA0046921  Calochortus kennedyi var. kennedyi Gary D. Wallace, Ann Hiller 1983-5-18 2042 Los Angeles Dirt road W of junction with Chesboro Road on Mt. Emma Rd. at 47th St. E 945 Comment
  UCR150539  Calochortus palmeri R. G. Swinney 1999-6-21 7382 Los Angeles San Gabriel Mtns., Boulder Canyon Wash, south of east-west road that runs through Big John Flat 1671 Comment
  CAS-BOT-BC132480  Calochortus plummerae R. C. Foster 1937-6-3 337 Los Angeles Along Mills Ave., Claremont Comment
  JEPS84903 Image available Calochortus striatus L. R. Heckard 1985-5-4 6234 Los Angeles s of Rosamond Dry Lake (s side of Ave E, 1 mi e of 10th St E, ne of Lancaster); Mojave Desert 701 Comment
  RSA725180  Calycoseris parryi Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -96 Los Angeles Bob's Gap. At the South edge of Bob's Gap, on slopes and roadside, and down in the wash. 1444 Comment
  UCR41716  Calyptridium monandrum G. R. Ballmer, G. F. Pratt 1986-3-25 s.n. Los Angeles Southern Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 Comment
  CATA159  Calystegia macrostegia subsp. macrostegia Mark L. Hoefs, A. Douglas Propst 1973-3-14 120 Los Angeles Santa Catalina Island: Upper White's Landing Road 144 Comment
  RSA232663  Calystegia macrostegia subsp. macrostegia G. D. Wallace 1972-9-2 694 Los Angeles San Clemente Islands, below barracks area in small canyon at Wilson Cove. Comment
  RSA71120  Calystegia occidentalis subsp. fulcrata F. W. Peirson 1919-6-14 497 Los Angeles Rock Creek. 1905 Comment
  RSA618694  Camissonia Scott D. White, Sandy Leatherman 1998-5-19 6529 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
  POM12285  Camissonia bistorta F. L. Robinson 1921-4-15 37 Los Angeles Claremont. Comment
  RSA466149  Camissonia californica M. B. Dunkle 1928-5-13 1943 Los Angeles Santa Catalina Island along Coach Road. Comment
  RSA660421  Camissonia californica Orlando Mistretta 1992-5-21 398 Los Angeles Right Star Mine, S of Acton. Comment
  UC1949058  Camissonia campestris subsp. campestris Barbara Ertter with L. Heckard, T. Sholars, J. Hickman, et al. 1988-5-23 7478 Los Angeles on N side of road; Pine Canyon Rd along San Andreas fault on N side of San Gabriel Mts (Co Rd N2) Comment
  UCR270048  Camissonia campestris subsp. campestris R. G. Swinney 2011-4-20 14432 Los Angeles San Gabriel Mountains, Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 mile upstream in Hunt Cyn. 1268 Comment
  RSA0016976  Camissonia campestris subsp. campestris E. R. 1934-3-28 s.n. Los Angeles West end of Antelope Valley. Comment
  POM257262  Camissonia claviformis subsp. claviformis H. L. Mason 1926-4-27 3038 Los Angeles Rock Creek. Comment
  POM50606  Camissonia hirtella L. R. Abrams 1901-6-6 1703 Los Angeles Las Tunas Canon, S. Monica Mts. Comment
  RSA654864  Camissonia hirtella A. C. Sanders, D. Malueg 1998-6-24 22069 Los Angeles San Gabriel Mnts.: E of Big Tujunga Dam below Hwy 2 (Angeles Crest) and above Tujunga Canyon Road, ridge above Josephine Creek, So. Cal. Edison Mesa-Vincent transmission line at tower 13-2 976 Comment
  UCR191738  Camissonia hirtella A. C. Sanders 2008-4-23 35097 Los Angeles Transverse Range; western San Gabriel Mtns., upper Cow Spring Canyon 1140 Comment
  RSA708572  Camissonia ignota Valerie L. Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1158 Los Angeles Ridgetop above McDonald Creek. 457 Comment
  RSA774598  Camissonia intermedia Orlando Mistretta, Christine Mistretta 2010-6-10 5290 Los Angeles North Fork Mill Creek. Forest Service Route 3N27, 4.33 road miles (2.07 air miles), S of intersection with Forest Route 3N17 (Mt. Gleason Road), along Southern California Edison transmission line corridor. 1229 Comment
  RSA653474  Camissonia micrantha Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O Brien 2000-4-25 786 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
  RSA0069649  Camissonia pallida R. G. Swinney 2010-5-19 12832 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy., 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  SEINET10969617  Camissonia pallida David B. Dunn 1947-4-16 Dunn 2933 Los Angeles 2 mi w & 1 mi n of palmdale. Mohave desert; amongst desert shrubs. Comment
  RSA199193  Camissonia robusta Robert F. Thorne, D. Propst 1968-5-27 37643 Los Angeles Santa Catalina Island: behind dunes, Ben Weston Beach at mouth of Middle Ranch Canyon. Comment
  RSA0053874  Camissonia strigulosa R. G. Swinney 2010-5-11 12625 Los Angeles San Gabriel Mountains: Acton 0.7 road miles SE of jct. of Soledad Canyon Rd. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 Comment
  UCR129533  Camissonia strigulosa George K. Helmkamp, E. A. Helmkamp 1998-5-21 4041 Los Angeles Western Mojave Desert/Transverse Range, junction of Munz Ranch Rd and Lake Elizabeth Rd., north of Lake Elizabeth 1006 Comment
  RSA454100  Camissonia strigulosa E. S. Spalding 1925-4-29 s.n. Los Angeles Vacant lot, Glendale Comment
  SDSU8630  Camissoniopsis guadalupensis subsp. clementina R. M. Beauchamp 1967-3-19 330 Los Angeles Growing in sand dunes south of Darter spotting station, south of West Cove, San Clemente Island Comment
  LA200317  Capsella bursa-pastoris M. Zartlin; 1951-3-10 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  CAS-BOT-BC37902  Cardamine oligosperma Louis C. Wheeler 1932-3-20 506 Los Angeles San Dimas Canyon. San Gabriel Mountains. 518 Comment
  UCR200210  Cardamine oligosperma Valerie Soza, LeRoy Gross, Adelina Munoz 2000-5-12 882 Los Angeles Verdugo Mountains, northeast side, Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. Fire road south from Engleheard Canyon to powerlines 396 Comment
  UCR261542  Cardamine oligosperma R. G. Swinney 2010-2-27 11706 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
  RSA364586B  Carex alma Robin S. Collins 1973-4-30 253 Los Angeles Angeles National Forest, San Gabriel Mountains, Trail Canyon, near light duty road which leads to beginning of pack trail. 610 Comment
  UC1584056  Carex alma Tim Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4050 Los Angeles ne of Tie Summit Station (e of Angeles Forest Hwy, w drainage that meets Tie Canyon); San Gabriel Mts., Angeles N.F., Tujunga Ranger District 1463 Comment
  UC597595  Carex alma Philip A. Munz 1937-5-4 15158 Los Angeles N of Claremont (Evey Canyon) 762 Comment
  CAS-BOT-BC32081  Carex multicaulis George B. Grant 1901-5-1 s.n. Los Angeles Mt. Lowe Comment
  SEINET7569424 Image available Carex nudata Andrew L. Hipp 1999-5-16 202 Los Angeles Westwood Village, Malibu Creek State Park, along Malibu Creek below Century Lake. 488 Comment
  RSA364679  Carex praegracilis Robert Gustafson 1981-3-18 2125 Los Angeles Ballona Wetlands, Area 1. Comment
  JEPS27621  Carex retroflexa var. texensis Chas. H. Quibell June 1956 525 Los Angeles Monrovia, 134 S. Encinitas Avenue Monrovia; , 134 S. Encinitas Avenue Comment
  CAS-BOT-BC117942  Carex schottii George Bernard Grant 1902-2-1 137 Los Angeles Pasadena. Comment
  RSA0065722  Carex senta Justin M. Wood 2011-7-7 4340 Los Angeles San Gabriel Mountains: Little Rock Creek: just upstream of Little Rock reservoir. 999 Comment
  CAS-BOT-BC117318  Carex spissa George B. Grant 1904-5-5 6190 Los Angeles Arroyo Seca Canyon. Comment
  UC212796  Carex triquetra I. Johnston 1917-5-6 1917 Los Angeles Evey Canyon San Antonio Mts. 914 Comment
  UC836555  Carex triquetra L. W. Nuttall 1920-5-6 131 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC115555  Carex tumulicola Timothy S. Ross 1995-5-21 8612 Los Angeles San Clemente Island: West fork at the head of Snail Canyon, 237 Comment
  RSA709415  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
  RSA583070  Castilleja affinis Tim S. Ross 1993-4-22 6906 Los Angeles Santa Catalina Island. SW part of the island in the vicinity of Cactus Peak (1560ft); 800 m due N of Cactus Peak summit; northerly slope draining to middle Bullrush Canyon. 305 Comment
  SD38140  Castilleja affinis Edith A. Purer 1935-5-11 6557 Los Angeles Malibou Lodge Road, Santa Monica Mountains 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
  UCD122164  Castilleja affinis Peter H. Raven; Henry J. Thompson 1960-4-3 13921 Los Angeles East of Malibu Junction. Santa Monica Mountains. 265 Comment
  RSA425901  Castilleja affinis subsp. affinis Sam Tyson 1943-4-22 s.n. Los Angeles Big Dalton Canyon. 412 Comment
  POM17846  Castilleja applegatei subsp. martinii Philip A. Munz 1923-8-31 7686 Los Angeles ridge south of Swartout Valley 2500 Comment
  RSA656854  Castilleja applegatei subsp. martinii Valerie L. Soza, Ileene Anderson, LeRoy Gross 2000-6-6 993 Los Angeles Verdugo Mountains, southwest side: Along Verdugo Mtwy, E of junction with Stough Canyon Mtwy and W of junction with Hostetter Mtwy, above Wildwood Canyon. 884 Comment
  RSA729456  Castilleja applegatei subsp. martinii R. G. Swinney 1998-7-8 6326 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  RSA448685  Castilleja applegatei subsp. martinii Sam Tyson 1943-4-3 s.n. Los Angeles Big Dalton Canyon. Comment
  UC1409131  Castilleja applegatei subsp. martinii Robert F. Thorne and C. W. Tilforth, et al. 1972-6-29 42085 Los Angeles Summit of Table Mountain San Gabriel Mts., Angeles National Forest, Table Mountain (above Big Pines) 2286 Comment
  CATA700  Castilleja foliolosa Mark L. Hoefs 1991-5-3 1196 Los Angeles Santa Catalina Island: Bluff between Hamilton Cove and Descanso Beach 82 Comment
  RSA638950  Castilleja foliolosa Louis C. Wheeler 1967-5-15 9560 Los Angeles San Gabriel Mountains: Ridge east of Fremont Pass. 572 Comment
  RSA213349  Castilleja foliolosa Reid V. Moran 1941-3-9 689 Los Angeles Santa Catalina Island, Middle Ranch. 250 Comment
  RSA587814  Castilleja foliolosa Orlando Mistretta 1994-6-15 1356 Los Angeles San Gabriel Mountains: Santiago Canyon. Side drainage entering santiago canyon from the W, about 3 miles S of confluence of santiago Creek and Little Rock Creek. 1341 Comment
  JEPS77654  Castilleja grisea Peter H. Raven 1962-5-10 17735 Los Angeles walls of deep canyon due n of Boulder San Clemente Island 274 Comment
  SEINET4095939  Castilleja grisea M. B. Dunkle 1939-1 Los Angeles Comment
  UCR139374  Castilleja minor subsp. spiralis I. M. Johnston 1917-5-13 983 Los Angeles San Gabriel Valley, El Monte 91 Comment
  UCR186596  Castilleja minor subsp. spiralis T. B. Salvato, Sarah Flack 2007-8-8 3034 Los Angeles San Gabriel Mountains, East Fork Road crossing over the north fork of the San Gabriel River, Islip Saddle 2043 Comment
  RSA0106732  Caulanthus amplexicaulis R. G. Swinney 2011-5-19 14789 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), near entrance gate to camp, 0.54 miles at 84 deg SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Colby Cyn. 1018 Comment
  RSA679828  Caulanthus cooperi LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 851 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway 1143 Comment
  POM369304  Caulanthus coulteri Ora M. Clark 1929-3-30 1904 Los Angeles W. Lancaster. Comment
Read comments
Apr 10 2012
  CAS-BOT-BC41101  Caulanthus heterophyllus LeRoy Abrams 1901-4-1 1517 Los Angeles Mount Wilson Trail. 914 Comment
  CAS-BOT-BC41136  Caulanthus heterophyllus John Thomas Howell 1928-3-20 3464 Los Angeles Floor of Vermont Canyon, Griffith Park. Comment
  UCR264442  Caulanthus lasiophyllus John F. Green 2008-3-26 308- 05 Los Angeles Western Mojave Desert, SE of Lancaster and north of Palmdale, 0.75 mi. long strip along both sides of 15th St. East, between Ave. M and Ave. M-12, east of Sierra Hwy and north of Palmdale Regional Airport 762 Comment
  CAS-BOT-BC47921  Ceanothus arboreus H. E. McMinn 1924-7-25 1313 Los Angeles Catalina Island Comment
  RSA0069889  Ceanothus crassifolius R. G. Swinney 2010-2-27 11742 Los Angeles Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash. 331 Comment
  RSA585545  Ceanothus crassifolius Tim S. Ross 1992-4-21 6227 Los Angeles W and SW of Horse Canyon Saddle; along an old roadcut (ultimately joining Lower Monroe Road) that marks the NW boundary of the San Dimas Experimental Forest. 1042 Comment
  RSA755788  Ceanothus crassifolius Dylan O. Burge 2007-3-23 DOB 806 c Los Angeles San Gabriel Mountains, Angeles National Forest, between Horse Canyon and Oak Canyon, above the San Gabriel River, 5.9 road miles from Highway 39 via East Fork Road and Glendora Mountain Road., 15.8 kilometers 49 degrees true east-northeast of Azusa. 630 Comment
  RSA615925  Ceanothus cuneatus Scott D. White, B. Leatherman 1997-1-14 s.n. Los Angeles Northwest San Gabriel Mountains, Santa Clara River Watershed: Pole Canyon adjacent to existing gravel quarry and haul roads; slope and wash adjacent to helicopter pad. Site proposed for future mining. 549 Comment
  UC1070675  Ceanothus greggii A. Lewis 1934-2-1 280 Los Angeles Iron Mountain San Fernando quad., Angeles National Forest 1341 Comment
  SD42010  Ceanothus greggii var. vestitus D. F. Howe 1947-5-6 Los Angeles North face of San Gabriel Mts Comment
  RSA549131  Ceanothus integerrimus Tim S. Ross, Peter Fritsch 1990-6-20 3685 Los Angeles San Gabriel Mountains: Rincon-Red Box Rd (2N24); ridgetop between W Fork San Gabriel River and Roberts Canyon 1329 Comment
  RSA95405  Ceanothus integerrimus var. integerrimus Joseph A. Ewan 1932-5-29 7215 Los Angeles trail in Arrastre Canyon. 1372 Comment
  CAS-BOT-BC50596  Ceanothus leucodermis Le Roy Abrams 1901-4-13 1496 Los Angeles Sierra Madre Mts., Wilson's Trail 548 Comment
  UCR223301  Ceanothus leucodermis R. G. Swinney 2009-7-29 11425 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCR4120  Ceanothus leucodermis Ronald M. Cope 1965-3-27 s.n. Los Angeles San Gabriel Mtns., road from Devil's Canyon Wild Area to Azusa, 8-12 mi north of where the road crosses the west fork of the San Gabriel River 762 Comment
  LA43640  Ceanothus megacarpus Barbara Crumly; 1953-4-4 sn Los Angeles 411 Comment
  POM214615  Ceanothus megacarpus Joseph A. Ewan 1932-2-27 7024 Los Angeles Manderville Canyon, Santa Monica Mts. 305 Comment
  RSA234632  Ceanothus megacarpus var. insularis Robert F. Thorne 1970-3-5 39365 Los Angeles Santa Catalina Island. N slope of Blackjack Mountain. 457 Comment
  RSA650466  Ceanothus oliganthus Brent Mishler 1977-10-6 s.n. Los Angeles San Gab. R. flood control area, Irwindale. 177 Comment
  UCR204890  Ceanothus oliganthus R. G. Swinney 2008-3-31 8591 Los Angeles San Gabriel Mtns., Glendora Mountain summit 1013 Comment
  RSA0038926  Ceanothus oliganthus var. oliganthus R. G. Swinney 2009-3-10 10058 Los Angeles Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  RSA128280  Ceanothus spinosus H. J. Thompson 1959-3-27 1891 Los Angeles Santa Monica Mountains: Saddle Peak, 1.5 miles east of peak. 750 Comment
  UCR270655  Centaurea cyanus R. G. Swinney 2011-6-30 15374 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  SFV12497  Centaurea solstitialis M. H. Grayum, H. Grayum, K. Felt, J. Horowitz 1977-10-30 842 Los Angeles Santa Monica Mountains Century Ranch. Roadside. 152 Comment
  UCD130090  Centaurea solstitialis Robert F. Thorne 1966-9-14 36624 Los Angeles Santa Catalina Island, Middle Ranch, Middle Ranch Canyon. 213 Comment
  RSA567531  Centrostegia thurberi Tim S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3929 Los Angeles Liebre Mtn: near center of the long summit, in the vicinity of the old Radio Tower site; nr ctr NE 1/4 sect 10 1720 Comment
  RSA392714  Centrostegia thurberi var. thurberi Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  UCR200122  Cerastium glomeratum Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 780 Los Angeles Verdugo Mountains, south side, Stough Canyon, Stough Park, above parking lot southwest of intersection of Walnut Avenue and Lockheed View Drive, west of De Bell Municipal Golf Course, southeast of Starlight Theater 366 Comment
  RSA656416  Ceratonia siliqua Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 676 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, at La Tuna Canyon Road. SSW of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park. 518 Comment
  POM156313  Cercocarpus betuloides L. R. Abrams 1903-3-11 3116 Los Angeles Sepulveda Canyon, Santa Monica Mountains. Comment
  CAS-BOT-BC142133  Cercocarpus betuloides var. betuloides S. B. Parish 1916-3-28 10747 Los Angeles Eagle Rock Parck, Los Angeles Comment
  CAS-BOT-BC142144  Cercocarpus betuloides var. betuloides Alice Eastwood 1928-6-15 15377 Los Angeles Claremont Comment
  CAS-BOT-BC142168  Cercocarpus betuloides var. betuloides Le Roy Abrams; E. A. McGregor 1908-7-2 588 Los Angeles Rock Creek, desert slopes of the San Gabriel Mountains 1371 Comment
  CHSC26362  Cercocarpus betuloides var. betuloides James Henrickson 1972-3-19 7183 Los Angeles Ca 7 air miles north of Sierra Madre along Hwy 2 in San Gabriel Mts. 1402 Comment
  POM453275  Cercocarpus betuloides var. betuloides L. E. Hoffman 1931-11-9 s.n. Los Angeles Millards Canyon. Comment
  RSA453283  Cercocarpus betuloides var. betuloides Fordyce Griffiths Jr. 1910-06 1931 Los Angeles Long Canyon, San Gabriel Mountains. Comment
  RSA725216  Cercocarpus betuloides var. betuloides Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -38 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
  SBBG17472  Cercocarpus betuloides var. betuloides K. A. Wilson 1962-5-12 1278 Los Angeles cyn with public cmpgrds leading to Devils Punch Bowl trail Comment
  UCSB2746  Cercocarpus betuloides var. betuloides Haller, Norman 1953-5-7 Los Angeles Mulholland Dr. near Sepulveda Blvd., Santa Monica Mts. 396 Comment
  UCR206260  Cercocarpus ledifolius R. G. Swinney 2008-6-10 8989 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1943 Comment
  SBBG2903  Cercocarpus ledifolius var. intermontanus H. and M. Dearing 1949-5-1 6767 Los Angeles Rock Crk 1828 Comment
  UCR168560  Cercocarpus traskiae Reid Moran 1941-3-5 678 Los Angeles Channel Islands; Santa Catalina Island, Salta Verde 350 Comment
  RSA0087064  Chaenactis artemisiifolia R. G. Swinney 2010-5-4 12518 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
  UCR127154  Chaenactis artemisiifolia A. C. Sanders, Mark A. Elvin 2003-6-18 26959 Los Angeles Santa Susana Mountains, Western Transverse Range, around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon 1037 Comment
  POM351715  Chaenactis fremontii John S. Garth 1948-4-21 2687 Los Angeles Littlerock 762 Comment
  UCR259101  Chaenactis glabriuscula Mitch Provance, Callen Huff 2009-4-29 10686 Los Angeles Tehachapi Mountains, Tejon Ranch, south of Lebec, lower slopes above Interstate 5, about 0.7 miles east of Gorman; site PO1088/1090 1230 Comment
  SEINET10907485  Chaenactis glabriuscula David B. Dunn 1941-3-30 Dunn 993 Los Angeles Sparse grassy land 3 miles east of Banning. 2 miles west of Redlands by the railroad tracks. Comment
  CAS-BOT-BC277326  Chaenactis glabriuscula var. glabriuscula Peter H. Raven; Henry J. Thompson 1959-6-4 14316 Los Angeles Santa Monica Mountains. Point Dume 45 Comment
  CAS-BOT-BC277347  Chaenactis glabriuscula var. glabriuscula W. R. Dudley; F. H. Lamb 1896-6-8 4369 Los Angeles Near Neenach, Antelope Valley Comment
  POM351749  Chaenactis glabriuscula var. glabriuscula F. R. Fosberg 1930-7-3 3078 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  UCR18149  Chaenactis santolinoides Jan Moore 1966-5-28 s.n. Los Angeles San Gabriel Mountains, Table Mountain Campground, above Big Pines Ranger Station 2195 Comment
  RSA709806  Chaenactis stevioides Gary D. Wallace, Ann Hiller 1983-5-18 2056 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
  JEPS30913  Chaenactis xantiana P. Stockwell 1935-5-16 1309 Los Angeles Ouail Lake Quail Lake 1008 Comment
  UCR16613  Chaenactis xantiana Maria de Los Angeles Matos 1967-5-7 s.n. Los Angeles Angeles National Forest east of Sandberg, 1 mile east of junction of Pine Canyon Road (also called L.A. Co. Road N2) and road to Sandberg 1159 Comment
  UCR187186  Chaenactis xantiana A. C. Sanders 2006-4-21 32142 Los Angeles Tehachapi Mtns. Foothills, hills c. 1.25 miles east of Quail Lake, east of the Cement Plant Rd. and SE of Calif. Aqueduct, c. 0.25 mi. north of Hwy 138 1037 Comment
  LA211081  Chamaebatia australis Tarja Sagar; 2011-4-29 0 s.n. Los Angeles SANTA MONICA MOUNTAINS, SMMNRA Rocky Oaks. Comment
  SBBG131529  Chamaesyce S. A. Junak 1999-7-17 SCa 1072 Los Angeles Middle Ranch, Janet Takara's house 213 Comment
  RSA599305  Chamaesyce albomarginata L. C. Wheeler 1953-10-15 7053 Los Angeles Los Angeles. El Sereno district. Comment
  SEINET3412733 Image available Chamaesyce melanadenia Lewis S. Rose 1934-12-26 34521 Los Angeles San Gabriel Canyon. Comment
  SBBG126885  Chamaesyce serpillifolia subsp. serpillifolia A. Parikh, N. Gale 2011-5-19 3390 Los Angeles San Gabriel River, Whittier Narrows Nature Center, 0.2 km SE of Durfee Ave, 0.8 km SW of Peck Rd 67 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
  RSA478456  Chenopodium botrys F. R. Fosberg 1930-7-3 S 3093 Los Angeles San Gabriel River, El Monte. Comment
  RSA760600  Chenopodium fremontii R. G. Swinney 2008-8-13 9397 Los Angeles Big Rock Creek, 1.0 mi. east of Fenner Canyon 1793 Comment
  SBBG13271  Chenopodium murale M. A. Piehl 1962-6-9 62336 Los Angeles China Cyn (near head), ca. 2 mi from China Pt 213 Comment
  RSA534016  Chenopodium murale T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5297 Los Angeles San Clemente Island, westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft N of Rest [1336'] marker; 1800 ft SE of Malo Knoll [1396']) Upper portion of drainage 274 Comment
  SFV12128  Chenopodium strictum var. glaucophyllum D. L. Koutnik, P. Collins 1975-4-26 142 Los Angeles Santa Monica Mountains Near intersection of Mulholland and Franklin Canyon. 320 Comment
  SEINET3885528  Chlorogalum parviflorum Louis C. Wheeler 1934-5-14 2583 Los Angeles 1 mi NE Puddingstone Dam, San Jose Hills.; 0 351 Comment
  SD44970  Chlorogalum pomeridianum Darley A. Howe 1952-9-14 2260 Los Angeles West side of Lookout Mountain, Santa Monica Mountains. Comment
  SBBG124788  Chorizanthe parryi var. fernandina A. Parikh, N. Gale 2010-4-7 2155 Los Angeles Newhall Ranch, 0.1 km W of Potrero Cyn, S of Santa Clara River, 1 km S of Hwy 126 315 Comment
  RSA747228  Chorizanthe procumbens R. G. Swinney 2008-4-7 8618 Los Angeles San Gabriel Mtns. Azusa, San Gabriel River floodplain, c. 100-300 m east of the channel, between Foothill Blvd. (Hwy 66) and I-210 Fwy 177 Comment
  UCR186564  Chorizanthe spinosa A. C. Sanders 2006-4-14 32061 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  CAS-BOT-BC244653  Chorizanthe staticoides Geo. L. Fisher 1929-6-8 s.n. Los Angeles Glendale 304 Comment
  IRVC28992  Chorizanthe staticoides A. C. Sanders 2003-6-18 26934 Los Angeles ridge ca 900 m SW of 'Airport Mesa,' 1 mile SW of Castaic Junction, vicinity of BM 1302 ft., Newhall Ranch N end of Santa Susana Mtns. 366 Comment
  RSA0135655  Chorizanthe staticoides David E. Bramlet 2016-6-2 5314 Los Angeles Mt. Emma Road, 3,900 ft. northeast of Angeles Forest Highway, 6,000 ft. east of Kentucky Springs & 3,640 ft. south of BP&L Road. Northwest facing slope of Mt. Emma. 1209 Comment
  UCD99991  Chorizanthe staticoides A. C. Sanders; Helen Kennedy 2005-4-13 29435 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  RSA303937  Chorizanthe staticoides James R. Shevock 1971-5-11 1053 Los Angeles Old Sierra Highway near Soledad Junction 518 Comment
  NY285657  Chorizanthe staticoides var. latiloba A. D. E. Elmer 06 1902 3689 Los Angeles Acton Comment
  RSA589268  Chorizanthe watsonii Tim S. Ross 1991-4-28 4758 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 926 Comment
  RSA730717  Chorizanthe watsonii R. G. Swinney 1997-6-13 5582 Los Angeles South of Pinon Hills, ridge NE of Table Mt. near LA Co. line. 1829 Comment
  UCR197781  Chorizanthe watsonii Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 17 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
  RSA588071  Chorizanthe xanti Orlando Mistretta 1994-4-15 1052 Los Angeles San Gabriel Mountains, Santiago canyon. W slopes of drainage near confluence with Little Rock Creek. 1189 Comment
  UC1980198  Chrysanthemum coronarium R. Old 2003-3-20 sn Los Angeles USA. CALIFORNIA. Los Angeles. Santa Monica / Los Angeles vicinity. Comment
  UCR124727  Chrysolepis sempervirens B. C. Templeton 1932-7-21 5031 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  SBBG61422  Chylismia claviformis J. R. and R. C. Robbins 1930-3-25 Los Angeles Mojave Desert Comment
  UC284811  Cirsium occidentale var. californicum P. A. Munz 1923-5-25 6814 Los Angeles Big Rock Creek San Gabriel Mts. 1280 Comment
  RSA151306  Cirsium occidentale var. occidentale Peter H. Raven 1962-4-10 17186 Los Angeles San Clemente Island. Small arroyo above Wilson's Cove 61 Comment
  POM8576A  Cistanthe monandra P. A. Munz, R. D. Harwood 1920-4-21 3697 Los Angeles San Dimas Canyon, [San Gabriel Mountains] 457 Comment
  RSA225874  Cistanthe monosperma C. W. Tilforth, John Dourley 1971-7-28 41053 Los Angeles San Gabriel Mts., San Bernardino National Forest: summit ridge of Dawson Peak, 2912 Comment
  UCR124972  Clarkia bottae B. C. Templeton 1930-5-27 1464 Los Angeles Western Transverse Range; Santa Monica Mtns., Higgins Canyon, north of Beverly Hills 200 Comment
  UCR159913  Clarkia bottae Orlando Mistretta 1992-7-13 679 Los Angeles Transverse Ranges; San Gabriel Mountains region, Los Pinetos Spring Canyon Trail 915 Comment
  CHSC3723  Clarkia cylindrica Sue Boergadine 1966-5-26 Los Angeles Switzer's Camp. 762 Comment
  HSC83415  Clarkia cylindrica D. L. Koutnik, Vickie Dawes 1978-5-12 489 Los Angeles Decker Rd., N of Mulholland Hwy. 488 Comment
  CHSC35191  Clarkia dudleyana Paul Bailey 1971-5-28 67 Los Angeles 6 mi. N. of Pasadena in Millard Cyn. in San Gabriel foothills. 457 Comment
  SBBG28049  Clarkia dudleyana C. L. Hitchcock 1928-5-11 46 Los Angeles above dam, San Dimas Cyn 1000 Comment
  LA82402  Clarkia epilobioides O. H. Kappler; 1941-5-9 264 Los Angeles SANTA MONICA MOUNTAINS, Cold Creek 152 Comment
  RSA590342  Clarkia epilobioides Tim S. Ross 1993-4-21 6856 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak; slope and small ridges N of Cactus peak summit. 427 Comment
  SBBG13560  Clarkia epilobioides P. H. Raven 1962-5-22 17823 Los Angeles above Emerald Bay 121 Comment
  UC20323  Clarkia purpurea subsp. quadrivulnera Dr. A. Davidson 1895-1 Los Angeles Los Angeles Comment
  RSA133257  Clarkia unguiculata Peter H. Raven 1959-5-3 14074 Los Angeles Santa Monica Mountains: Mulholland Drive near head of Franklin Canyon 381 Comment
  RSA73362  Clarkia unguiculata Joseph A. Ewan 1930-5-30 2234 Los Angeles Cahuenga Peak, Santa Monica Mountains. Comment
  UCR259775  Clarkia unguiculata R. G. Swinney 2010-4-28 12388 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  SEINET10969625  Clarkia unguiculata Tim Holtsford 1992-5-31 Holtsford 920531 -1-A Los Angeles Mandeville canyon rd, just n and across the st from 3676 canyon rd. Coastal sage-scrub with oaks, sycamores, elderberry, many cultivar. Comment
  SBBG130736  Claytonia parviflora S. A. Junak 2000-4-1 SCa 1162 Los Angeles E side of Cherry Cyn, ca. 0.1 mi from rd to camp, along main rd 67 Comment
  SFV16100  Claytonia parviflora J. M. Kneitel 1995-4-9 25 Los Angeles San Gabriel Mountains Angeles Forest Highway, 3.5 miles north of junction with Angeles Crest Highway. 915 Comment
  RSA0092232  Claytonia parviflora subsp. parviflora R. G. Swinney 2011-5-12 14719 Los Angeles San Gabriel Mountains: Aliso Canyon Creek, 50-100 m west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy, west of mouth of Cabin Canyon Creek. West side of creek. 1183 Comment
  RSA729185  Claytonia parviflora subsp. utahensis R. G. Swinney 1998-7-14 6452 Los Angeles north slope of Pine Mountain Ridge, from high point to Prairie Fork, c. 1 mi. SE of Cabin Flat. 1890 Comment
  RSA0019899  Claytonia rubra subsp. rubra Orlando Mistretta, Christine Mistretta 2011-6-29 5761 Los Angeles Vicinity of Mt. Gleason. Along Mt. Gleason Road, near microwave tower 0.5 miles SE of summit. 1945 Comment
  SD115247  Clematis lasiantha W. Bertsch 1954-4-19 492 Los Angeles Little Dalton Canyon 366 Comment
  RSA0044672  Clematis lasiantha Thekla Mohr 1897-05 s.n. Los Angeles Salor Canon. Comment
  UC9089  Clematis ligusticifolia unknown Dec 1861 34 Los Angeles Los Angeles Comment
  UCR205959  Clematis ligusticifolia Scott D. White, D. E. Bramlet 1998-8-11 7036 Los Angeles Transverse Ranges; San Gabriel Mountains, west of Mt. Islip, just above eastern boundary of San Gabriel Wilderness, c. 4-mile closed section of Hwy 39 from c. 1.6 miles west of junction Crystal Lake access road to junction Hwy 2 2012 Comment
  CHSC57909  Cleome lutea Blake A. Rowe 1986-6-30 55 Los Angeles 50 km s of Victorville, beside Hwy 8. 1200 Comment
  RSA6069  Cleomella obtusifolia C. B. Wolf 1932-9-15 4086 Los Angeles About 2 blocks west of center of town of Lancaster. Antelope Valley, Mojave Desert. Comment
  IRVC29635  Cnicus benedictus A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26201 Los Angeles Castaic Valley at west foot of Castaic Mesa, Newhall Ranch Western San Gabriel Mtns. 366 Comment
  RSA408412  Collinsia bartsiifolia var. davidsonii N. C. Cooper 1949-4-19 3612 Los Angeles Mojave Desert, Lancaster. 762 Comment
  POM18262  Collinsia callosa Philip A. Munz 1923-5-26 6803 Los Angeles Big Rock Creek. 1280 Comment
  RSA587041  Collinsia callosa Orlando Mistretta, Mark A. Elvin 1995-5-10 1697 Los Angeles San Gabriel Mountains. Bare Mountain Canyon. West Fork. 1585 Comment
  RSA0117324  Collinsia parryi Steve D. Boyd, Lauren Raz 1997-4-30 9628 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine. 866 Comment
  LA46185  Comarostaphylis diversifolia subsp. diversifolia K. Kneen; 1933-8-25 6212 Los Angeles Santa Monica Mountains Comment
  RSA188117  Comarostaphylis diversifolia subsp. planifolia R. F. Thorne, Percy C. Everett 1965-6-24 35032 Los Angeles Santa Catalina Island, W slope of Orizaba Mt. near upper end of Escondido Canyon, near spring and water pipe line to Rancho Escondido. 274 Comment
  RSA0084934  Conium maculatum R. G. Swinney 2010-6-23 13327 Los Angeles Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin. 341 Comment
  SFV2824  Convolvulus arvensis M. L. Vincent 1962-8-1 282 Los Angeles San Fernando Valley Reseda. 6716 Kurl Way. In parkway. Comment
  POM355839  Conyza canadensis B. C. Templeton 1938-8-4 4327 Los Angeles Exposition Park Comment
  UCR182495  Cordylanthus nevinii R. G. Swinney 1997-7-22 5697 Los Angeles San Gabriel Mtns, Government Canyon, west of Wrightwood, 0.75 mi. west of San Bernardino Co. line at Hwy 2, Blue Ridge Mtn. area 2195 Comment
  RSA719741  Cordylanthus rigidus subsp. setiger R. G. Swinney, D. W. Larson 1996-8-7 5227 Los Angeles San Dimas Experimental Forest, southern third of west half of Brown's Flat. 1305 Comment
  SBBG68668  Cordylanthus rigidus subsp. setiger R. Hoffmann 1927-8-31 Los Angeles Oak's Garage, Mint Cyn Comment
  SEINET4676159  Cordylanthus rigidus subsp. setiger Timothy S. Ross, Steve Boyd 1994-9-21 8289 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10). Liebre Mountain 7.5 foot USGS Quadrangle.; 0 1676 Comment
  LA52019  Cordylanthus rigidus subsp. setiger J. A. Ewan; 1929-8-17 3454 Los Angeles SANTA MONICA MOUNTAINS, Trancas Canyon, near Pt. Dume. Comment
  RSA412297  Cordylanthus rigidus subsp. setiger Anstruther Davidson 1883-1 s.n. Los Angeles Glendale. Comment
  CAS-BOT-BC287750  Coreopsis bigelovii L. R. Abrams 1941-4-18 13868 Los Angeles State Highway 138, 1 mile E of junction with US Highway 99 Comment
  CAS-BOT-BC287926  Coreopsis californica Geo. B. Grant 1903-3-21 s.n. Los Angeles Garvanza Comment
  SD45573  Corethrogyne filaginifolia var. filaginifolia Darley F. Howe 1953-8-10 2337 Los Angeles Coast near north end of Santa Monica Mountains. Comment
  LA201839  Coronopus didymus Arthur C. Gibson; 2003-5-28 4931 Los Angeles 121 Comment
  RSA0076092  Cotoneaster lacteus R. G. Swinney 2000-5-10 7680 Los Angeles Azusa, San Gabriel River Canyon, 1.2 miles NE of Sierra Madre Ave. on shoulder of Hwy 39. 244 Comment
  CHSC100411  Cotula australis John Dittes; Josephine Guardino 2008-2-23 1500 Los Angeles Western Transverse Ranges; Santa Gabriel Mtns.; undesignated s ection of San Fernando Mission Land Grant; City of Sunland; ca. 0.8 air-mile E of 210 Freeway, north of Foothill Blvd., east of Oro Vista Ave. 418 Comment
  SBBG132115  Cotula australis S. A. Junak 1996-4-16 SCI 360 Los Angeles San Clemente Island 45 Comment
  RSA596885  Crassula connata T. S. Ross, J. Mark Porter 1995-5-4 8462 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  JEPS47820  Cressa truxillensis W. F. Parish 1891-1 Los Angeles Long Beach Comment
  CDA39883  Cressa truxillensis Becker Jul 1938 s.n. Los Angeles 0 Comment
  RSA187692  Cressa truxillensis R. F. Thorne 1966-9-14 36665 Los Angeles Grassy weedy, sunny flat area behind dunes and salina at Little Harbor. 5 Comment
  SBBG51546  Crocanthemum scoparium var. vulgare J. Nickoloff 1973-5-2 730502 -5 Los Angeles ridge 600 ft N of Mt Wilson Trail, Sierra Madre 304 Comment
  NY268577  Crossosoma californicum R. F. Thorne 1970-3-5 39349 Los Angeles Santa Catalina Island: Middle Ranch Canyon. 243.8 Comment
  POM244221  Crossosoma californicum F. R. Fosberg 1931-4-8 S 4522 Los Angeles Santa Catalina Island; Avalon Valley 60 Comment
  RSA704714  Crossosoma californicum G. D. Wallace, M. Wallace 1985-3-2 2171 Los Angeles Palos Verdes Peninsula, S of Los Angeles. N of Portugese Bend and the school on Forrestal Rd. Comment
  RSA705571  Crossosoma californicum G. D. Wallace, M. Wallace 1985-3-2 2170 Los Angeles Palos Verdes Peninsula, S of Los Angeles. N of Portugese Bend and the school on Forrestal Rd. Comment
  SDSU5817  Crossosoma californicum D. F. Howe 1968-2-24 4487 Los Angeles On south side of Fourth of July Cove, Santa Catalina Island. Comment
  UC1929500  Crossosoma californicum Mark Elvin with Michael Wall 1997-3-18 378 Los Angeles Channel Island; Santa Catalina Island: Cape Canyon Ridge. W side of canyon. With Rock outcrop 200' above valley floor. ~ 1/2 mile south of well house along Cape Canyon Road. Comment
  UC729597  Crossosoma californicum Carl B. Wolf 1932-5-9 3493 Los Angeles about due w Pebbly Beach (along road to Renton Mine); Santa Catalina Island 304 Comment
  UC859049  Crossosoma californicum Mrs. C. E. Miller 1918-6-11 Los Angeles Santa Catalina Island Comment
  RSA479353  Croton californicus Johnstone 1937-7-25 s.n. Los Angeles Angeles Crest Blvd. Comment
  UCR164523  Croton californicus T. B. Salvato, Sandra Murcia 2005-11-8 1280 Los Angeles West Mojave Desert, NE edge of Palmdale c. 2 mi N of Pearland, 10 acre parcel from Palmdale Blvd to Avenue Q, east of 51st Street 805 Comment
  UCR216559  Croton californicus Dan S. Cooper 2010-6-13 610- 69 Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Forest Lawn Drive west of Griffith Park 155 Comment
  SEINET5628202 Image available Croton californicus Mary B. Fallass 1923-1 3431 Los Angeles foot hills around Los Angeles Calif Comment
  SEINET5788892 Image available Croton californicus var. tenuis Marcus E. Jones 1882-1 3030 Los Angeles Pasadena, California Comment
  SBBG128073  Croton setiger B. E. Carter 2012-8-23 6992 Los Angeles Airport Rd, ca. 0.5 mi N of Middle Ranch Rd 395 Comment
  UCR189880  Cryptantha R. G. Swinney 1998-7-27 6490 Los Angeles San Gabriel Mtns., Dry Lake, south of Sunset Peak at head of Dry Lake Canyon 1515 Comment
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Dec 6 2018
  RSA763532  Cryptantha barbigera Justin M. Wood 2010-5-10 1568 -A Los Angeles Little Rock Creek: Downstream of Little Rock Reservoir, within 0.25 miles of the dam. 966 Comment
  UC1537679  Cryptantha barbigera Gordon H. True Jr. 1935-5-17 303 Los Angeles s of Littlerock 944 Comment
  RSA599782  Cryptantha circumscissa Steve Boyd, Lauren Raz 1997-3-25 9275 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain, flats and slopes just northeast of ranch compound. 976 Comment
Read comments
Sep 12 2007
  RSA608363  Cryptantha circumscissa L. C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mountains: Devil s Canyon, depression on bench NE of Campground. 1433 Comment
  UC573069  Cryptantha circumscissa H. L. Mason 1932-4-1 6868 Los Angeles 1 mi e Lancaster; Mojave Desert Comment
  UCR95746  Cryptantha circumscissa Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8578 Los Angeles San Gabriel Mtns., upper West Fork Liebre Gulch along spur leading off along steep ridgeline west of Angeles National Forest Road 8N01, at a point 7.0 road miles from junction with 8N05 1204 Comment
  SBBG92243  Cryptantha clevelandii R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -251 Los Angeles upper Sweetwater Cyn Comment
  POM246606  Cryptantha clevelandii var. florosa F. R. Fosberg 1931-3-24 4350 Los Angeles Hamiltons Canyon, Santa Catalina Island 30 Comment
  JEPS85157  Cryptantha decipiens Roy E. Buck and Rexford Palmer 1989-4-28 1225 Los Angeles 1.1 air km ene Pyramid Rock summit (between Interstate 5 and Pyramid Dam, e of small draining canyon s of Posey Canyon, 22 air km nw of Castaic) 929 Comment
  CATA743  Cryptantha intermedia Mark L. Hoefs 1991-5-22 1268 Los Angeles Santa Catalina Island: Upper Cherry Valley 143 Comment
  RSA660124  Cryptantha intermedia Orlando Mistretta 1992-6-12 534 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  RSA675964  Cryptantha intermedia LeRoy Gross 2003-3-9 811 Los Angeles Southwest side. A west-east trending ridge southwest of Flint Peak. Entered at west end, at Mount Carmel Drive, east of the (2) Glendale freeway, between Chevy Chase Drive (Sycamore Canyon) to the north,, and Glenoak Blvd. (Scholl Canyon) to the south. 357 Comment
  SBBG63814  Cryptantha intermedia R. Hoffmann 1929-4-27 Los Angeles near Castaic Comment
  SD85025  Cryptantha intermedia E. R. Blakley 1963-12-7 6339 Los Angeles San Clemente Island:Shallow canyon sloping to ocean, 200 feet north of Lighthouse, north of Pyramid Head. 53 Comment
  UC76154  Cryptantha intermedia unknown 1901-4-1 242 Los Angeles Catalina Island Comment
  UC78690  Cryptantha intermedia T. S. Brandegee 1890-5-16 Los Angeles Santa Catalina Island Comment
  SD85023  Cryptantha maritima E. R. Blakley 1962-6-9 5186 Los Angeles San Clemente Island: China Point, near lighthouse 10 Comment
  VVC2918  Cryptantha micrantha Tim Thomas 2014-5-4 6285 Los Angeles Mojave Desert, Antelope Valley 2.6 miles north of Neenach, just east of aqueduct just south of Ave A. 884 Comment
  UCR162554  Cryptantha micrantha var. lepida T. S. Ross, Steve Boyd 1990-5-17 2598 Los Angeles Transverse Ranges; San Gabriel Mountains region, San Gabriel Mountains, Angeles National Forest: Mill Creek Tree Plantation, Tujunga District 1613 Comment
  SBBG117931  Cryptantha microstachys C. F. Millspaugh 1920-3-14 4783 Los Angeles Fisherman's Cove Comment
  UCR127070  Cryptantha microstachys Mark A. Elvin, Cathleen Weigand 2003-4-8 2464 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, ridge between Hasley and Castaic Creeks 351 Comment
  RSA0095259  Cryptantha muricata R. G. Swinney 2011-6-20 15221 Los Angeles San Gabriel Mountains: Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail 1567 Comment
  SBBG63776  Cryptantha muricata var. jonesii R. Hoffmann 1927-6-14 Los Angeles Pine Cyn Comment
  RSA0079558  Cryptantha muricata var. jonesii Julian P. Donahue 1983-5-30 s.n. Los Angeles Los Padres Natl. Forest, Sawmill Mountain. 1493 Comment
  RSA0079593  Cryptantha muricata var. muricata LeRoy Gross, Laura Moore 2000-6-5 224 Los Angeles Verdugo Mountains: La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 579 Comment
  SBBG24810  Cryptantha muricata var. muricata R. N. Philbrick 1965-5-20 B 65 -1176 Los Angeles 1 mi E of Agua Dulce Rd and ca. 1 mi S of Antelope Valley Freeway 701 Comment
  RSA0079608  Cryptantha muricata var. muricata B. C. Templeton 1939-4-26 s.n. Los Angeles Huntington Palisades, Santa Monica Mountains. Comment
  RSA725108  Cryptantha nevadensis var. rigida Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -50 Los Angeles 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
  UCR255802  Cryptantha nevadensis var. rigida R. G. Swinney 2010-5-12 12739 Los Angeles San Gabriel Mountains, Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  UCR194617  Cryptantha oxygona R. G. Swinney 1999-5-1 7089 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
  UCR258739  Cryptantha pterocarya var. pterocarya R. G. Swinney 2010-5-19 12815 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  RSA0079048  Cryptantha pterocarya var. pterocarya Ralph Hoffman 1930-4-19 s.n. Los Angeles Lancaster. 712 Comment
  RSA550215  Cryptantha similis W. Wisura, E. Roeder 1992-4-21 4699 Los Angeles West Mojave: Mountain Brook Ranch near Valyermo. Comment
  RSA679954  Cryptantha similis LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 878 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway 1143 Comment
  RSA772194  Cryptantha simulans R. G. Swinney 2009-5-27 10866 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  UCR277096  Cucurbita foetidissima R. G. Swinney 2010-10-5 13997 Los Angeles San Gabriel Mountains, Placerita Canyon on north side of Placerita Hwy., just outside boundary of Placerita Cyn. Natural Area, at west park entrance 476 Comment
  IRVC28679  Cuscuta californica A. C. Sanders, Mark Elvin 2002-6-18 25122 Los Angeles Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park NE end of Santa Susana Mtns. 366 Comment
  RSA0012266  Cuscuta californica var. californica Orlando Mistretta, Youssef Atallah 2011-8-12 6028 Los Angeles Aliso Cyn, 1.8 miles West of Jct. of Aliso Cyn Road and Angeles Forest Hwy. On bench above Aliso Creek. 1083 Comment
  RSA598813  Cuscuta californica var. californica R. G. Swinney 1989-5-16 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. At the junction of Big Dalton Canyon road and Glendora Mountain Road 366 Comment
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Apr 17 2010
  UC35091  Cuscuta campestris unknown 1901-9-2 Los Angeles Redondo Comment
  UCR167312  Cuscuta subinclusa Scott D. White 2004-8-20 10737 Los Angeles San Gabriel Mtns, Upper Big Tujunga Canyon: south of Upper Big Tujunga Canyon. Road, c. 4 air mi NW of the junction with Angeles Crest Hwy 1159 Comment
  UCD98527  Cycloloma atriplicifolium Henson - Goodwin 1932-7-6 s.n. Los Angeles Exact location unknown. Comment
  RSA761941  Cyclospermum leptophyllum Edward Read 2005-10-20 s.n. Los Angeles Hawthorne, private home near West 120th Street at Prairie Ave. Comment
  SBBG118151  Cylindropuntia prolifera F. R. Fosberg 1931-4-29 4733 Los Angeles Cottonwood Cyn 5 Comment
  CHSC95470  Cynodon dactylon LeRoy Gross 2001-11-10 452 Los Angeles Los Angeles Basin region: Verdugo Mountains, north side. Off the 210 freeway east bound La Tuna Canyon Road exit opposite this exit is a road that starts out paved. (Hostetter Mountainway) follow this road that parallels the freeway east till a dirt road forks off on the right (southeast). Don't take the road that forks off to the right, stay parallel with the freeway a short distance. 457 Comment
  RSA483547  Cynodon dactylon G. J. Hollenberg 1928-7-16 s.n. Los Angeles Near Venice. Comment
  SBBG31024  Cynodon dactylon R. F. Thorne 1965-5-10 34511 Los Angeles near upper end of Gallagher Cyn 426 Comment
  CAS-BOT-BC114302  Cyperus esculentus Louis C. Wheeler 1932-10-7 1427 Los Angeles Abundant in damp roadside ditch, Temple City. 106 Comment
  UC520031  Cyperus esculentus Joseph Andorfer Ewan 1932-6-28 7501 Los Angeles Los Angeles R. at Fletcher Ave. Bridge; Los Angeles R. Comment
  UCD141111  Cyperus niger C. C. Byfield Date Unknown s.n. Los Angeles Exact location unknown. Comment
  RSA127426  Cyperus odoratus Peter H. Raven, H. J. Thompson 1959-10-14 14623 Los Angeles Santa Monica Mountains: East end of Malibu Lake. (Lat. N. 34d; Long. 118d to 119d W) 221 Comment
  LA52194  Cyperus rotundus R. L. Armacost; 1960-6-27 1295 Los Angeles Comment
  RSA507546  Cystopteris fragilis L. C. Wheeler 1967-9-2 10618 Los Angeles San Gabriel Mountains: Devil's Canyon, ca. 1/4 mile downstream from Devil's Canyon-Little Bear Creek Saddle 1951 Comment
  RSA562581  Cystopteris fragilis Steve Boyd, Walter Appleby 1993-4-22 7989 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
  UCR194013A  Datisca glomerata R. G. Swinney 1998-8-17 6776 Los Angeles San Gabriel Mtns., side canyon along Heaton Flat Trail, c. 1/4 mile east of trailhead at Heaton Flat in San Gabriel Canyon 732 Comment
  SEINET11991607  Datisca glomerata R. F. Thorne, DeBuhr, L. 1974-1 44772 Los Angeles San Gabriel Mts., Angeles National Forest, Datisca Gully, ca 2 mi S of Islip Saddle, Mt. Islip 1829 Comment
  RSA736767  Datura stramonium Scott D. White, Ed Kentner, Amanda Breen 2007-7-18 11759 Los Angeles Whittier Narrows Recreation Area- S of the 60 freeway and W of 605 freeway. Legg Lake 64 Comment
  RSA79884  Datura stramonium Louis C. Wheeler 1933-12-12 2323 Los Angeles Behind San Dimas Canyon Dam. 412 Comment
  RSA609108  Datura wrightii Louis C. Wheeler 1968-8-20 s.n. Los Angeles Los Pinetos Canyon Spring. 854 Comment
  RSA591670  Datura wrightii Louis C. Wheeler 1966-9-21 8885 Los Angeles San Gabriel Mountains. West side of mouth of west fork, San Gabriel Canyon, just downstream from bridge to east fork. 457 Comment
  UC1018427  Daucus pusillus Francis M. Ball May 1948 Los Angeles Sepulveda Blvd. 1 mi. w. of tunnel Santa Monica Mts. Comment
  UC1400360  Daucus pusillus Robert F. Thorne 1973-4-11 42862 Los Angeles middle portion Norton Canyon (San Clemente Isl.); San Clemente Isl. 274 Comment
  CAS-BOT-BC299279  Deinandra fasciculata Grant 1903-6-1 6118 Los Angeles Covina Comment
  SBBG105363  Deinandra fasciculata H. L. Ferguson 1981-8-11 256 Los Angeles just S of Wilson Cove 68 Comment
  SFV3978  Deinandra kelloggii M. L. Vincent 1962-6-18 262 Los Angeles Santa Monica Mountains Mulholland Highway, 1.5 miles west of Old Topanga turnoff. Comment
  CAS-BOT-BC131017  Deinandra minthornii John Thomas Howell 1947-7-17 23375 Los Angeles Santa Susana Pass Comment
  RSA394509  Delphinium cardinale N. C. Cooper 1949-6-18 4190 Los Angeles San Gabriel Wash 366 Comment
  RSA683181  Delphinium cardinale LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1102 Los Angeles 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
  UCR248524  Delphinium cardinale Jason A. Koontz, Bart O'Brien, Erika Gardner 2012-5-15 291 Los Angeles Coastal Plains and Basins; San Bernardino Basin Region, Claremont. Rancho Santa Ana Botanic Garden, just outside north fence 416 Comment
  RSA0029744  Delphinium glaucum Wayne E. Sawyer 1981-7-31 118 Los Angeles SAN GABRIEL MOUNTAINS, ANGELES NATIONAL FOREST: Lily Spring 2454 Comment
  UC61542  Delphinium parryi Ernest Braunton June 1903 894 Los Angeles Glendale to Burbank Comment
  UCR153976  Delphinium parryi A. C. Sanders, T. B. Salvato 2005-4-26 29750 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita, south of Plum Canyon at end of Canyon Crest Dr., NW of mouth of Mint Canyon 488 Comment
  RSA0034988  Delphinium parryi Lee Haines 1935-7-4 s.n. Los Angeles Little Dalton Canyon, San Gabriel Mts. Comment
  RSA398715  Delphinium parryi H. Twining 1906-05 s.n. Los Angeles Elysian Park, Foothills Comment
  UC467732  Delphinium parryi I. J. Condit Los Angeles San Dimas Comment
  SEINET13094852  Delphinium patens subsp. hepaticoideum Joseph Ewan 1929-5-30 3497 Los Angeles Old Wilson Trail, mile below Orchard Camp. 915 Comment
  RSA0030038  Delphinium patens subsp. montanum Orlando Mistretta, Tim S. Ross 1994-6-1 1300 Los Angeles San Gabriel Mountains: Santiago Canyon. 1610 Comment
  SD45610  Dendromecon harfordii Darley F. Howe 1953-5-2 2272 Los Angeles Santa Catalina Island, Wain Canyon. Comment
  CAS-BOT-BC82900  Dendromecon rigida C. F. Baker 1904-4-4 4150 Los Angeles Claremont. Comment
  LA82464  Dendromecon rigida O. H. Kappler; 1941-3-26 152 Los Angeles 609 Comment
  RSA639574  Dendromecon rigida Louis C. Wheeler 1967-5-23 9693 Los Angeles Near mouth of Bear Canyon, off Soledad Canyon. 579 Comment
  UCSB46704  Dendromecon rigida Reimer, Neil 1977-4-9 Los Angeles Hansen Dam Wash Comment
  PASA447  Dendromecon rigida Marjorie Magee Los Angeles Foothills Comment
  CAS-BOT-BC192751  Deschampsia danthonioides Dr. H. E. Hasse 1888-5-1 s.n. Los Angeles Near San Gabriel Comment
  UCR231913  Deschampsia danthonioides Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-20 8027 Los Angeles Mojave Desert, Antelope Valley, N of Lancaster, where Amargosa Creek jct of Sierra Highway and Avenue E, c. 150 m W of Hwy and just S of Ave E 701 Comment
  UCR190458  Descurainia pinnata R. G. Swinney 2001-4-18 7888 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap, east of Bobs Gap Road at base of ridge 1223 Comment
  RSA747879  Descurainia pinnata subsp. menziesii Justin M. Wood 2009-3-6 337 Los Angeles NW corner of Monte Vista Ave and Foothill Blvd., County line goes through property but most plants were collected in LA County. 402 Comment
  UCSB10008  Descurainia sophia Haller, John 1957-4-13 Los Angeles (Continuation of Palmdale Ave.) 1 mile W. of Los Angeles-San Bernardino Co. line and ca. 32 road miles E. of Palmdale 914 Comment
  UCSB46755  Descurainia sophia Roos, Alfred 1954-5-4 Los Angeles 5001 Gaviota, Encino Comment
  RSA582228  Dicentra chrysantha Tim S. Ross, Steve D. Boyd 1992-7-5 6615 Los Angeles Liebre Mts: Red Mountain: rocky summit area. 1201 Comment
  RSA730312  Dicentra chrysantha R. G. Swinney 1998-9-4 6913 Los Angeles San Gabriel Mtns.: NW of Wrightwood, eastern end of Jackson Flat. 2287 Comment
  UCR270465  Dicentra chrysantha R. G. Swinney 2011-6-30 15415 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  UCR277088  Dicentra chrysantha R. G. Swinney 2010-10-5 13994 Los Angeles San Gabriel Mountains, east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons 549 Comment
  RSA66259  Dicentra chrysantha F. W. Peirson 1918-7-7 56 Los Angeles San Antonio Canyon Comment
  SD80984  Dicentra ochroleuca G. Zimmerman 1969-5-24 Los Angeles Mulholland Dr.; 6 miles west of San Diego Freeway, Santa Monica Mtns. 609 Comment
  UCR223501  Dichelostemma capitatum R. G. Swinney 2009-5-28 10949 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  SEINET4063537  Dichelostemma capitatum subsp. capitatum R. Moran 1941-1 699 Los Angeles North of Middle Ranch, Santa Catalina Island. 250 Comment
  LA33375  Digitaria sanguinalis Peter H. Raven; 13741 Los Angeles SANTA MONICA MOUNTAINS, Elysian Park 198 Comment
  SACT000985  Digitaria sanguinalis Louis Wheeler 1931-8-1 Los Angeles Comment
  CAS-BOT-BC150634  Diplacus longiflorus C. F. Baker May 23 5354 Los Angeles Claremont Comment
  SD42004  Diplacus longiflorus Darley F. Howe 1947-5-3 Los Angeles Topanga Canyon Comment
  SD69353  Distichlis littoralis Robert F. Thorne, P. Everett 1965-5-11 34535 Los Angeles Sand flat inside Ballast Point on E side of catalina Harbor, Santa Catalina Island Comment
  CAS-BOT-BC195619  Distichlis spicata LeRoy Abrams 1902-6-9 2499 Los Angeles Playa del Rey Comment
  IRVC29105  Distichlis spicata A. C. Sanders 2003-6-20 27001 Los Angeles "Off-haul Canyon" between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and ca. 1 km NNW of Mayo Spur, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 305 Comment
  CAS-BOT-BC41604  Draba corrugata var. corrugata Le Roy Abrams; E. A. McGregor 1908-7-3 610 Los Angeles North Baldy Mountain. San Gabriel Mountains. 2743 Comment
  POM175375  Drymocallis glandulosa var. reflexa West, Helen E. Sweet, E. Crow 1930-7-12 s.n. Los Angeles Near Pine Flats: north Fork- San Gabriel Canyon. Comment
  UC212528  Drymocallis glandulosa var. viscida I. Johnston 1917-7-3 1410 Los Angeles Upper San Antonio Canyon 2286 Comment
  RSA0081774  Dryopteris arguta R. G. Swinney 2010-8-9 13481 Los Angeles Big Santa Anita Canyon, Camp Sturtevant. 1049 Comment
  UCR137600  Dryopteris arguta R. G. Swinney 1989-11-24 1480 Los Angeles San Gabriel Mtns, in and near Glendora Wilderness Park, Big Dalton Canyon, mouth of 'Water Pipe Canyon' [=Pavil Cyn] 457 Comment
  RSA650216  Dryopteris arguta Ken Chapman, Glenn Harthorn, Don Lage 1949-5-3 s.n. Los Angeles San Dimas Canyon. 518 Comment
  CAS-BOT-BC109478  Dudleya Mrs. C. E. Miller 1918-6-10 s.n. Los Angeles Santa Catalina Island. Comment
  JEPS49902  Dudleya cymosa subsp. pumila Frank W. Peirson 1919-5-14 452 Los Angeles Eaton Canyon, San Gabriel Mtns 685 Comment
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Dec 9 2015
  RSA632437  Dudleya cymosa subsp. pumila Valerie L. Soza, LeRoy Gross 1999-7-15 626 Los Angeles San Gabriel Mountains: Mt. Wilson Trail where it meets upper Little Santa Anita Canyon. 1158 Comment
  SD132746  Dudleya hassei James C. Dice, Michael Donoghue and Terry Martin 1983-5-20 347 Los Angeles Santa Catalina Island, Hamilton Cove, on slope above the road to beach. 60 Comment
  CAS-BOT-BC428397  Dudleya lanceolata Alice Eastwood 1928-6-15 15409 Los Angeles Claremont Comment
  RSA18522  Dudleya lanceolata C. B. Wolf 1927-7-24 676 Los Angeles 1/2 mile east of Montrose Comment
  RSA397779  Dudleya lanceolata Anstruther Davidson 1893-04 s.n. Los Angeles Azusa Comment
  UCR51829  Dudleya multicaulis L. C. Wheeler 1932-5-8 00695 Los Angeles San Gabriel Valley; San Jose Hills, Puddingstone Dam 305 Comment
  UC1543922  Dudleya palmeri Peter H. Raven and David Verity 1960-5-7 15318 Los Angeles ca 2 mi from ocean (Arroyo Sequit); Santa Monica Mtns; (Lat. N. 34 degrees; Long. 118 to 119 degrees W.) 91 Comment
  CATA3547  Dudleya virens subsp. insularis Peter J. Dixon 2018-5-30 111 Los Angeles Santa Catalina Island: Channel side; East End of Island, Junction of Renton Mine and East End Road; +/- .75 mi S. of Pebbly Beach, on road embankment. 0 Comment
  UCR129649  Dudleya virens subsp. insularis Reid Moran 1941-5-27 874 Los Angeles Palos Verdes Peninsula, 0.25 mi. east of Point Vicente 20 Comment
  RSA611488  Echinochloa crus-galli L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  UCR129410  Echinochloa crus-galli A. C. Sanders, Mark Elvin 2002-6-20 25237 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  RSA0035882  Eclipta prostrata R. G. Swinney 2009-11-9 11590 Los Angeles confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  SEINET10558271  Ehrharta calycina Ross 1991-5-17 Ross 5082 Los Angeles San Clemente Island: Sand dunes of coastal terrace at West Cove, SW of the new landing field. 6 Comment
  HSC101302  Ehrharta erecta R. G. Swinney 2009-3-28 10188 Los Angeles Transverse Range, San Gabriel Mtns.: Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi. up canyon 366 Comment
  CAS-BOT-BC113614  Eleocharis acicularis LeRoy Abrams 1901-4-10 1451 Los Angeles Inglewood. Comment
  RSA727268  Eleocharis acicularis var. acicularis R. G. Swinney 1997-6-19 5612 Los Angeles San Gabriel Mtns.: SE end of Jackson Lake, west of Wrightwood 1872 Comment
  RSA756753  Eleocharis montevidensis R. G. Swinney 2008-6-25 9104 Los Angeles Glendora, Harrow Canyon Debris Basin, seep on north-central side 387 Comment
  SEINET7586932 Image available Eleocharis parishii Louis C. Wheeler 1946-8-28 6296 Los Angeles San Gabriel Mountains, Caldwell Lake. 1570 Comment
  RSA0083012  Elymus glaucus R. G. Swinney 2010-9-7 13730 Los Angeles NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks. 1768 Comment
  RSA729776  Elymus glaucus R. G. Swinney 1998-7-6 6294 Los Angeles San Gabriel Mtns.: Mescal Canyon, 1.9 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1585 Comment
  SEINET4678137  Elymus glaucus K. Dobry 1991-6-24 d 753 Los Angeles Soka University, Low Virgenes and Mulholland Highway. Santa Monical. Mountains.; 0 Comment
  UC1117455  Elymus glaucus Peter H. Raven 1962-5-22 17850 Los Angeles above stream about 1 mi below Middle Ranch; Santa Catalina Island Comment
  POM365350  Elymus glaucus subsp. glaucus Samuel R. Tyson 1942-5-22 s.n. Los Angeles San Dimas Canyon. [San Gabriel Mountains] 457 Comment
  RSA601116  Elymus glaucus subsp. glaucus L. C. Wheeler 1967-6-26 9905 Los Angeles San Gabriel Mountains : Placerita Canyon. 610 Comment
  SEINET12748009  Elymus glaucus var. glaucus L. C. Wheeler 1936-6-21 4162 Los Angeles San Gabriel Mountains, West Fork of Palmer Canyon. 701 Comment
  SFV22106  Elymus trachycaulus R. F. Thorne, J. Dourley 1967-10-10 37362 Los Angeles San Gabriel Mountains 1.5 miles east of Dawson Saddle. Cienega on cool, moist, shaded, north-facing slope by Angeles Crest Highway. 2332 Comment
  SD69725  Elymus triticoides Robert F. Thorne 1966-5-31 36448 Los Angeles Santa Catalina Island: salina behind Little Harbor on beach 4 Comment
  JEPS1603  Emmenanthe penduliflora Julia A. Bettys 1929-4-29 Los Angeles Huntington Palisades Comment
  SFV16773  Emmenanthe penduliflora J. M. Kneitel 1997-3-19 s. n. Los Angeles Santa Susana Mountains Towsley Canyon, Ed Davis Park. 460 Comment
  SFV2955  Emmenanthe penduliflora K. A. Wilson 1961-4-26 1159 Los Angeles San Gabriel Mountains Soledad Canyon. Small, burnt over canyon adjacent to Bee Canyon, north of River's End Ranch. 610 Comment
  UCR155380  Emmenanthe penduliflora A. C. Sanders, T. B. Salvato 2005-5-24 30266 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
  SEINET13203258 Image available Emmenanthe penduliflora var. penduliflora R. G. Swinney 2011-1 14609 Los Angeles San Gabriel Mountains: north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road (Glendora 7.5' Q.) (T1N R9W S5; T1N R9W S8) 792 Comment
  POM356733  Encelia actoni E. A. McGregor 1965-5-18 s.n. Los Angeles Pearblossom, Antelope Valley. Comment
  RSA710390  Encelia actoni LeRoy Gross 2005-5-3 2254 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  RSA725191  Encelia actoni Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -99 Los Angeles N side of the San Gabriel Mountains. Right at the North End of Bob's Gap. 1433 Comment
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Aug 28 2015
  SD50739  Encelia actoni Darley F. Howe 1959-5-3 2718 Los Angeles 25 miles west of Lancaster. Comment
  RSA607519  Encelia actoni Robert Crandall 1969-12-21 s.n. Los Angeles Mount Wilson Toll Road near lower end. Comment
  SBBG12876  Encelia californica E. R. Blakley 1961-9-23 4752 Los Angeles beach bluff between Isthmus Harbor and Fisherman's Cove 3 Comment
  UC472317  Encelia californica Crawford and Hiatt 1916-3-28 575 Los Angeles Santa Monica Mts Santa Monica Mts (hillsides) Comment
  UCR124398  Encelia californica I. W. Clokey, B. C. Templeton 1929-1 4453 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  UCR258822  Encelia californica R. G. Swinney 2010-3-16 11923 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
  UCR206126  Encelia farinosa R. G. Swinney 2008-6-2 8920 Los Angeles San Gabriel Mtns., San Gabriel Canyon, 0.6 mi. above (east) of El Encanto park office, on shoulder of the old road 280 Comment
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Dec 8 2009
  CAS-BOT-BC81805  Ephedra nevadensis Lyman Benson 1932-3-25 3149 Los Angeles Grade above Valyermo, San Gabriel Mt., Mojave Desert 1127 Comment
  UCR193429  Ephedra nevadensis Dan S. Cooper 2008-4-21 s.n. Los Angeles Western Transverse Range, mesa along north side of Santa Clara River, 1 km west of Sand Canyon Rd., Santa Clarita 470 Comment
  UCR182690  Epilobium brachycarpum R. G. Swinney 1997-8-6 5779 Los Angeles San Gabriel Mtns, along Big Pines Hwy, c. 0.5 mi. west of Hwy 2 junction, east of Jackson Lake 2024 Comment
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Mar 27 2014
  LA32219  Epilobium canum Peter H. Raven; Henry J. Thompson 1959-10-18 14681 Los Angeles Santa Monica Mountains, along Decker Road, 1.8 mi S of Mulholland Hwy 487 Comment
  SDSU8890  Epilobium canum subsp. canum A. H. Gallup 1947-10-13 61 Los Angeles Below Morris Dam in San Gabriel Canyon 732 Comment
  UC575721  Epilobium canum subsp. canum Lewis S. Rose 1934-12-27 34520 Los Angeles San Gabriel Canyon Comment
  CAS-BOT-BC166829  Epilobium canum subsp. latifolium I. M. Johnston 1917-7-29 1586 Los Angeles San Antonio [Canon] Canyon 2286 Comment
  CAS-BOT-BC171924  Epilobium canum subsp. latifolium Robert F. Thorne; John Olmsted 1965-8-26 35376 Los Angeles Angeles National Forest, Camp Lupine near Prairie Fork, San Gabriel Mts. 2011 Comment
  RSA588450  Epilobium canum subsp. latifolium Anstruther Davidson 1889-08 s.n. Los Angeles Los Angeles. Comment
  UCR194268  Epilobium ciliatum R. G. Swinney 1998-8-5 6663 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch 1235 Comment
  UCR256859  Epilobium ciliatum R. G. Swinney 2010-10-13 14019 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  UCR259650  Epilobium ciliatum R. G. Swinney 2010-9-7 13729 Los Angeles San Gabriel Mountains, NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks 1768 Comment
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Oct 27 2020
  RSA588473  Epilobium ciliatum subsp. ciliatum F. R. Fosberg 1930-7-3 S- 3030 Los Angeles Lexington Wash, San Gabriel River, El Monte. Comment
  JEPS64375  Epipactis gigantea Frank W. Peirson 1918-7-8 13 Los Angeles San Antonio Canyon San Gabriel Mountains 1828 Comment
  POM123235  Epipactis gigantea Marcus E. Jones 1882-05 s.n. Los Angeles Pasadena. Comment
  VVC3236  Epipactis gigantea Tim Thomas 1977-5-10 100 Los Angeles Transverse Range, Santa Monica Mountains, Cold Creek Canyon Preserve 413 Comment
  RSA608880  Equisetum hyemale var. affine L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: Oak Spring, Oak Spring Canyon, off Little Tujunga. 793 Comment
  UCR210069  Eragrostis A. C. Sanders 2009-11-6 37214 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA792245  Eragrostis mexicana A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37017 Los Angeles San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 92 Comment
  RSA597976  Eragrostis mexicana subsp. virescens L. C. Wheeler 1947-5-31 6509 Los Angeles Arrow Highway north of Baldwin Park (Santa Fe Inn). Comment
  RSA33889  Eremocarpus setiger Tom Burch 1943-07 s.n. Los Angeles Redondo Beach. Comment
  SEINET8353723  Eremogone macradenia Unknown 1908-6-20 3357 Los Angeles Liebre Mtn. Comment
  UC1871192  Eriastrum densifolium subsp. austromontanum T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3885 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. Elevations between 4880-5680 feet. Comment
  CAS-BOT-BC514372  Eriastrum densifolium subsp. elongatum C. B. Wolf 1931-5-13 1998 Los Angeles Pacoima Wash, near bridge on the road from Tujunga to San Fernando 365 Comment
  RSA584590  Eriastrum filifolium T. S. Ross, S. D. Boyd 1993-5-23 7251 Los Angeles Lower, easterly ridge of Red Mountain, ca 700-840 m SE of the saddle between Ruby and Clearwater Canyons. 939 Comment
  RSA611654  Ericameria Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10084 Los Angeles Liebre Mountains region: Anaverde Valley at north base of Sierra Pelona. 976 Comment
  RSA184065  Ericameria cooperi I. L. Wiggins 1966-4-23 20638 Los Angeles E of 145 St. E, between Palmdale Blvd. and Ave. O, N of Pearblossom, Mohave Desert. Comment
  RSA585319  Ericameria cooperi Timothy S. Ross 1991-4-27 4714 Los Angeles Black Butte: rocky easterly and northeasterly slopes. 960 Comment
  RSA674790  Ericameria cooperi Scott D. White 2000-5-16 7840 Los Angeles San Gabriel Mountains: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  UCR99525  Ericameria cooperi Steve Boyd, L. Raz 1997-3-26 9365 Los Angeles San Gabriel Mtns., Liebre Mountains region, northern base of Portal Ridge at mouth of Myrick Canyon, S edge of the Antelope Valley, south of Fairmont Reservoir. 1000 Comment
  UC284981  Ericameria cooperi var. cooperi P. A. Munz 1923-5-25 6790 Los Angeles n San Gabriel Mts. (at summit of grade); Mint Canyon Comment
  CAS-BOT-BC287623  Ericameria linearifolia Barbara Shervanick 1974-4-28 1215 Los Angeles Highway 138 about 0.75 mile NW of highway 395, Mormon Rocks, Antelope Valley, San Gabriel Mt Range 944 Comment
  POM359392  Ericameria linearifolia Anstruther Davidson 1906-6-1 2001 Los Angeles Big Rock Creek. Comment
  RSA616305  Ericameria linearifolia Scott D. White 1998-4-20 6330 Los Angeles Soledad Canyon area: Proposed quarry area N of Soledad Canyon Rd., S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Canyon. 580 Comment
  SFV21423  Ericameria linearifolia L. Gross, T. Anderson 2004-5-3 1216 Los Angeles San Gabriel Mountains Road started west of Mount Lukens, down (southeast) to a little west of Earl Canyon Road (USFS Roads 2N76.1 & 2N76.2) 1380 Comment
  UCR223819  Ericameria linearifolia R. G. Swinney 2009-6-17 11190 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  SBBG62961  Ericameria nauseosa var. hololeuca R. Hoffmann 1928-11-9 Los Angeles near Lang Comment
  UC194547  Ericameria nauseosa var. hololeuca H. M. Hall 1917-10-27 10586 Los Angeles 16 km w Lancaster; Antelope Valley Comment
  CAS-BOT-BC298047  Ericameria nauseosa var. mohavensis Le Roy Abrams; E. A. McGregor 1908-7-2 625 Los Angeles Rock Creek, San Gabriel Mts 1158 Comment
  CAS-BOT-BC298190  Ericameria nauseosa var. oreophila Le Roy Abrams; E. A. McGregor 1908-6-30 832 Los Angeles Palmdale, Mojave Desert Comment
  RSA656928  Ericameria parishii var. parishii Valerie L. Soza, Wayne Law, Laura Moore 2000-7-7 1058 Los Angeles San Gabriel Mountains: North of Mt. Bliss, Van Tassel Truck Trail (FS Road 1N36), 0.15 mile north of junction of Van Tassel Truck Trail and Van Tassel Road (FS Road 1N36A). 1082 Comment
  SD68970  Ericameria parishii var. parishii Robert F. Thorne, M. Z. Thorne 1966-8-29 36596 Los Angeles San Gabriel Mountains, Angeles National Forest. along highway from Crystal Lake to Islip Saddle 1615 Comment
  UC1870189  Ericameria parishii var. parishii LeRoy Gross 2001-9-1 446 Los Angeles Verdugo Mountains; north side, Along Hostetter Mountain Way. 610 Comment
  UCR95537  Ericameria pinifolia L. C. Wheeler 1967-5-2 9256 Los Angeles San Gabriel Mtns, Liebre Mtns, north side of northwesternmost end of foothills (of San Gabriel Mtns) between Bouquet Junction and Bonelli Ranch 427 Comment
  UCSB27637  Ericameria pinifolia Lavinger, S. 1975-12-1 Los Angeles Lake Hughes Road .2 miles north of Prospect Campground 762 Comment
  SBBG119344  Erigeron breweri var. covillei S. D. White 2000-8-25 8130 Los Angeles Tanbark Flats in the San Dimas Experimental Forest; T1N R8W S6 732 Comment
  SBBG109137  Erigeron canadensis S. A. Junak 1997-10-28 SCl 981 Los Angeles N side of San Clemente Island Ridge Rd, just N of Triangulation Pt "Rest", between the forks of Mosquito Cyn 408 Comment
  RSA756746  Erigeron foliosus R. G. Swinney 2008-7-15 9216 Los Angeles Winston Peak. 2275 Comment
  UCR270071  Erigeron foliosus R. G. Swinney 2011-7-21 15544 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  UCR271174  Erigeron foliosus R. G. Swinney 2011-7-8 15496 Los Angeles San Gabriel Mountains, 'Strawberry Potrero', uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  CAS-BOT-BC296194  Erigeron foliosus var. foliosus Le Roy Abrams; E. A. McGregor 1908-6-30 514 Los Angeles Palmdale, Mojave Desert 914 Comment
  JEPS41486  Erigeron foliosus var. foliosus Frank W. Peirson 1918-7-13 231 Los Angeles Santa Anita San Gabriel Mts., Santa Anita 914 Comment
  UC1595433  Erigeron foliosus var. foliosus Tim Ross 1992-7-10 6681 Los Angeles along creek between Coldwater Canyon and Wickiup Canyon; San Gabriel Mountains, Big Tujunga Creek 975 Comment
  RSA0105393  Erigeron foliosus var. stenophyllus Henry J. Ramsey, Henry J. Ramsey 1937-8-29 970 Los Angeles Altadena. 396 Comment
  RSA455000  Eriodictyon crassifolium var. crassifolium L. E. Hoffman 1931-11-9 s.n. Los Angeles San Gabriel Mountains: Millards Canyon, Angeles National Forest. Comment
  CAS-BOT-BC189151  Eriodictyon crassifolium var. nigrescens Timothy S. Ross; Steve Boyd 1993-5-23 7221 Los Angeles Lower, easterly ridge of Red Mountain, on northerly slope 140-220 m SE of the saddle between ruby and Clearwater Canyons 963 Comment
  JEPS37  Eriodictyon crassifolium var. nigrescens Frank W. Peirson 1918-5-19 171 Los Angeles Echo Mountain; San Gabriel Mountains, Echo Mountain 990 Comment
  LA200559  Eriodictyon crassifolium var. nigrescens Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  RSA0040463  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-5-11 12646 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
  RSA454991  Eriodictyon crassifolium var. nigrescens Geo. Cantwell 1930-05 s.n. Los Angeles Mint Canyon. Comment
  SBBG54051  Eriodictyon crassifolium var. nigrescens K. R. Montgomery, T. W. Strid 1973-5-19 73 -67 Los Angeles Dillon Divide Comment
  UCR269962  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-5-7 12570 Los Angeles San Gabriel Mountains, Lake View Terrace, ridge to the immediate west of Oliver Canyon, 0.8 air mile N of I-210 Fwy. 494 Comment
  RSA0064141  Eriodictyon crassifolium var. nigrescens Marck Menke 2002-3-29 133 Los Angeles San Gabriel Mts., Glendora Mountain Road at a pullout on the north side of Glendora Mountain, southeast of the intersection with Glendora Ridge Road. Comment
  CAS-BOT-BC222688  Eriodictyon trichocalyx Clare B. Hardham 1959-6-16 4871 Los Angeles Near Pear Blossom Comment
  UCR139924  Eriodictyon trichocalyx Scott D. White 1997-5-15 5147 Los Angeles Mojave Desert, Big Tujunga Wash. Sunland-Tujunga area; alluvial fan below San Gabriel Mtns. SW of I-210 Fwy, east of Hansen Dam, and N of Wentworth Street 351 Comment
  RSA455064  Eriodictyon trichocalyx var. trichocalyx Thekla Mohr 1915-1 s.n. Los Angeles North Fork, San Gabriel River. Comment
  RSA455088  Eriodictyon trichocalyx var. trichocalyx Mildred E. Mathias 1931-6-23 S 5310 Los Angeles San Antonio Falls, Mt. San Antonio Comment
  CAS-BOT-BC248474  Eriogonum angulosum Frank W. Peirson 1921-11-11 4202 Los Angeles Elizabeth Lake Comment
  RSA252882  Eriogonum angulosum Robert F. Thorne 1973-5-11 43528 Los Angeles Along Mt. Emma Road, 1/2 mi. E of Little Rock Creek below the dam. 1037 Comment
  SEINET6053984  Eriogonum angulosum Louis C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabreil Mtns. 2 mi NE of Vincent Comment
  UC1922067  Eriogonum angulosum Scott D. White, Pam DeVries 2006-5-10 11452 Los Angeles SE TEHACHAPI MTNS.: Gorman area, valley & slopes along Gorman Creek, NE of I-15 Fwy. and SW of Gorman Post Rd. Comment
  SBBG65250  Eriogonum baileyi var. baileyi R. Hoffmann 1927-6-14 Los Angeles Palmdale Comment
  LA94743  Eriogonum cinereum Norman A. Cole; May 1964 324 .9 Los Angeles SANTA MONICA MOUNTAINS, 1.7 mi from Pacific Coast Hwy along Rambla Pacifico. Site 9. 152 Comment
  LA94745  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
  UCR241700  Eriogonum cinereum Dan S. Cooper 2012-9-6 912- 72 Los Angeles Los Angeles Basin, Culver City, Baldwin Hills Scenic Overlook 129 Comment
  CAS-BOT-BC241934  Eriogonum cithariforme Le Roy Abrams; E. A. McGregor 1908-6-19 392 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  RSA0019771  Eriogonum cithariforme var. agninum Orlando Mistretta, Christine Mistretta 2011-6-23 5754 a Los Angeles Vicinity of Mt. Gleason. Former Los Angeles County Fire Camp 1.3 air miles E of Mt. Gleason summit. Area burned in Station Fire (2009). 1680 Comment
  RSA580096A  Eriogonum cithariforme var. agninum Tim S. Ross, S. D. Boyd, Steve Burns 1994-7-7 8144 A Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1677 Comment
  JEPS56697  Eriogonum davidsonii Frank W. Peirson 1923-8-31 4005 Los Angeles Blue Ridge Comment
  RSA748406  Eriogonum davidsonii Justin M. Wood 2009-6-1 786 Los Angeles Mill Creek Summit, roadisde turnout on Angeles Forest Hwy, 0.75 NE of Mt. Gleason Rd. junction. 1399 Comment
  UCR141805  Eriogonum davidsonii June Latting 1978-9-16 s.n. Los Angeles San Gabriel Mountains, 1 mile east of Whitethorn Spring [presumed near former Whitethorn Campground] on the Angeles Crest Highway 2195 Comment
  UCR189251  Eriogonum davidsonii R. G. Swinney 1998-5-16 6077 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  RSA766329  Eriogonum davidsonii F. R. Fosberg, Joseph A. Ewan 1931-8-10 s.n. Los Angeles Crystal Lake, N fork San Gabriel River. San Gabriel Mountains. 1616 Comment
  RSA653526  Eriogonum elongatum LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 288 Los Angeles Verdugo Mountains: Intersection of Verdugo Mountainway and Hostetter Mountainway. 915 Comment
  RSA766427  Eriogonum elongatum Raymond J. Dobbs 1927-8-20 s.n. Los Angeles [Switzers?] Comment
  UCR126334  Eriogonum elongatum A. C. Sanders 2003-8-5 27107 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters 366 Comment
  RSA149618  Eriogonum elongatum George W. Barclay s.n. Los Angeles San Pedro. Comment
  SDSU6544  Eriogonum elongatum R. M. Beauchamp 1966-8-10 63 Los Angeles Growing beside road in Topange Canyon. Comment
  RSA522936  Eriogonum elongatum var. elongatum Tim S. Ross, Orlando Mistretta 1990-10-24 3298 Los Angeles San Gabriel Mountains: between Venedo and Minero Canyons, 0.6 mi E of the San Gabriel Reservoir. 745 Comment
  IRVC26153  Eriogonum fasciculatum A. C. Sanders 2003-6-19 26968 Los Angeles hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 366 Comment
  RSA305709  Eriogonum fasciculatum Mark Hoefs 1973-7-13 351 Los Angeles Santa Catalina Island. Between airport and Escondido. Southeast side of Main Rd. 267 Comment
  LA210753  Eriogonum fasciculatum Arthur C. Gibson; 2006-7-25 5234 Los Angeles SANTA MONICA MOUNTAINS, Santa Ynez Canyon. Comment
  RSA0056258  Eriogonum fasciculatum Ralph La Pietra 1951-5-10 s.n. Los Angeles Sepulveda. Comment
  RSA0108884  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-5-21 12880 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. 1299 Comment
  LA91431  Eriogonum fasciculatum var. fasciculatum Bruce Douglas Clayton; Greg Shaw 1972-3-30 31 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, Mountain Park Research Campus, halfway out Drawbridge firebreak. 614 Comment
  CAS-BOT-BC253267  Eriogonum fasciculatum var. foliolosum John H. Thomas 1957-3-9 6499 A Los Angeles Hills north of Eagle Rock, about 3-4 miles east of Pasadena 304 Comment
  UCR124386  Eriogonum fasciculatum var. foliolosum I. W. Clokey, B. C. Templeton 1929-1 4578 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  CAS-BOT-BC250111  Eriogonum fasciculatum var. polifolium I. M. Johnston 1917-7-28 1569 Los Angeles San Antonio Mountains. N. Fk. San Antonio Canon [Canyon] 2209 Comment
  LA37001  Eriogonum giganteum Reid Moran; 1958-9-16 6843 Los Angeles San Clemente Island, 2 mi SE of Eel Point Comment
  UC1349044  Eriogonum giganteum Robert F. Thorne 1966-9-16 26724 Los Angeles Lookout Point se Pebbly Beach; Santa Catalina Island 45 Comment
  CAS-BOT-BC253447  Eriogonum gracile Le Roy Abrams 1902-7-5 2721 Los Angeles San Gabriel Wash near Azusa Comment
  RSA0084781  Eriogonum gracile R. G. Swinney 2010-6-23 13309 Los Angeles Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin. 341 Comment
  UCR179666  Eriogonum gracile R. G. Swinney 1989-8-5 s.n. Los Angeles San Gabriel Mtns., base of the mtns. near the city of Glendora; Glendora Ridge Motorway, 0.5 mi west of Glendora Mountain Rd. 732 Comment
  UCR127661  Eriogonum gracile var. gracile A. C. Sanders, Mark Elvin 2002-6-18 25136 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Sawtooth Ridge' area c. 1.5 mi. SE of Del Valle, north of Potrero Canyon, vicinity of bench mark 1533 518 Comment
  RSA393233  Eriogonum gracile var. gracile Robert Gustafson 1981-7-15 2338 Los Angeles Ballona Wetlands, Area 2. Comment
  SBBG61957  Eriogonum gracillimum R. Hoffmann 1928-7-7 Los Angeles 5 mi W of Castaic Jct Comment
  SBBG62137  Eriogonum gracillimum R. Hoffmann 1927-9-21 Los Angeles Gorman Comment
  OBI69361  Eriogonum grande John Knapp, Denise Knapp 2002-11-27 19 Los Angeles Santa Catalina Island. 6 Comment
  UC483200  Eriogonum grande var. grande L. R. Abrams and I. L. Wiggins 1931-7-6 356 Los Angeles vicinity Mosquito Harbor; San Clemente Island Comment
  UC527436  Eriogonum heermannii var. heermannii C. B. Wolf 1931-11-8 2629 Los Angeles 1/8 mi below Big Rock Ranger Station (Big Rock Creek); San Gabriel Mts., Big Rock Creek 1066 Comment
  RSA578519  Eriogonum inerme var. hispidulum Tim S. Ross, S. D. Boyd 1994-6-22 8000 Los Angeles Warm Springs Mountain: ca 450 m NW of summit 1140 Comment
  RSA149739  Eriogonum kennedyi var. alpigenum Wesley O. Griesel 1961-8-9 s.n. Los Angeles Dawson Saddle, State Hwy #2, San Gabriel Mts. 2439 Comment
  RSA247969  Eriogonum maculatum Robert F. Thorne, Gary D. Wallace 1973-4-24 43442 Los Angeles Antelope Valley, Western Mojave Desert: Lovejoy Buttes, N of Llano, S slope. 915 Comment
  SBBG61817  Eriogonum maculatum R. Hoffmann 1929-5-20 Los Angeles W Mojave Desert Comment
  RSA608375  Eriogonum mohavense Leota Brice 1930-5-22 s.n. Los Angeles Mint Canyon. Comment
  UCR280417  Eriogonum mohavense Onkar Singh 2014-3-18 4377 Los Angeles Mojave Desert, c. 10 km north of Littlerock, near junction of Avenue O and 110th St. 804 Comment
  UCR223699  Eriogonum nudum subsp. pauciflorum R. G. Swinney 2009-6-24 11246 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  CAS-BOT-BC269769  Eriogonum nudum var. pauciflorum D. E. Breedlove 1961-8-4 928 Los Angeles 1.9 mi W of State highway 2 on Big Pines Highway; San Gabriel Mtns 1645 Comment
  CAS-BOT-BC258576  Eriogonum ordii Ralph Hoffmann 1930-6-7 s.n. Los Angeles Piru Creek Comment
  UCR205586  Eriogonum pusillum R. G. Swinney 2008-5-13 8855 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, Holcomb Canyon, 0.5 mi. south of Big Rock Creek Rd. 1293 Comment
  CAS-BOT-BC267607  Eriogonum saxatile James L. Reveal; Barbara J. Ertter 1976-6-28 4555 Los Angeles Angeles Forest Highway (California Highway N-3) in Aliso Canyon near the junction of Tie Creek, 1.2 mile north of Mill Creek Summit, San Gabriel Mountains 1371 Comment
  UCD170270  Eriogonum saxatile R. G. Swinney 2009-6-17 11212 Los Angeles Transverse Range; San Gabriel Mtns., Fenner Canyon just above confluence with Big Rock Creek. 1628 Comment
  UCSB1484  Eriogonum saxatile 1937-7-5 Los Angeles Crest above Manker's Flat; San Gabriel Mtns 2438 Comment
  JEPS56282  Eriogonum thurberi Joseph Andorfer Ewan 1932-5-30 7200 Los Angeles North Fork and Mill Creek Fork Jct. of Tujunga Creek San Gabriel Mts. 914 Comment
  CAS-BOT-BC268165  Eriogonum umbellatum var. minus Peter Kamb 1947-6-30 612 Los Angeles Summit of Mt Islip, San Gabriel Mts 2499 Comment
  UC586891  Eriogonum umbellatum var. subaridum Joseph Andorfer Ewan 1934-8-3 8358 Los Angeles below Big Pines Camp; San Gabriel Mts., Swartout Valley 1981 Comment
  RSA420590  Eriogonum wrightii var. subscaposum Bonnie C. Templeton 1932-8-25 5077 Los Angeles Near Animal Park, Big Pines Park, San Gabriel Mountains. 2073 Comment
  CAS-BOT-BC297912  Eriophyllum confertiflorum Geo. B. Grant 1902-6-26 4162 Los Angeles Mt Lowe Comment
  CAS-BOT-BC297969  Eriophyllum confertiflorum R. Beauchamp; M. Douglas 1972-3-24 3234 Los Angeles On cliff of canyon wall N of Nanny, San Clemente Island 150 Comment
  PASA2208  Eriophyllum confertiflorum Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  RSA0047409  Eriophyllum confertiflorum R. G. Swinney 2010-3-10 11826 Los Angeles 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. 442 Comment
  RSA755872  Eriophyllum confertiflorum R. G. Swinney 2008-7-16 9242 Los Angeles Will Thrall Peak, west of Burkhart Saddle. 2378 Comment
  UCR131404  Eriophyllum confertiflorum Alison Lipman 1998-5-28 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
  SEINET11850697  Eriophyllum confertiflorum J. F. Bright, Wyman, C. 1931-1 5510 Los Angeles foothills of Mt. Wilson Comment
  LA203575  Eriophyllum confertiflorum var. confertiflorum Philip A. Munz; 1932-5-17 12644 Los Angeles 1 mi. N of Claremont 396 Comment
  SEINET13297609 Image available Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-1 15290 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station (Chilao Flat 7.5' Q.) (T3N R11W S22) 1570 Comment
  UC1118339  Eriophyllum confertiflorum var. confertiflorum A. Lewis 1933-5-1 197 Los Angeles Bouquet Canyon Angeles National Forest, Elizabeth Lake Quadrangle, Bouquet 762 Comment
  UC73937  Eriophyllum confertiflorum var. confertiflorum J. Q. Adams 1905-1-1 17 Los Angeles Soldier's Home Comment
  RSA358199  Eriophyllum nevinii R. F. Thorne 1973-09 44720 Los Angeles Santa Catalina Island. Blue Cavern Point Comment
  RSA584172  Erodium botrys Tim S. Ross 1990-5-15 2354 Los Angeles Yerba Buena Ridge; Tujunga Ranger Distruct, Angeles National Forest; peripheral ridge N from Yerba Buena Rd. dividing tributaries of Oak Spring Canyon (W) and Boulder Canyon (N) 914 Comment
  RSA629713  Erodium botrys Louis C. Wheeler 1947-4-27 6471 Los Angeles Arcadia: Woodward Avenue between Santa Anita Avenue and Oakwood Drive. Comment
  UCR107801  Erodium cicutarium Matilda Low 1997-3-13 18 Los Angeles Claremont, Bernard Biological Field Station (Claremont Colleges) NW corner of Mills Ave. and Foothill Blvd. 412 Comment
  CHSC98732  Erodium moschatum LeRoy Gross 2001-3-23 343 Los Angeles Los Angeles Basin: Verdugo Mountains Region: North side: Whiting Woods Mountainway; dirt road at end of Whiting Woods Road, in the city of Verdugo City, road starts at Henderson Canyon and climbs to the main crest. Just past the gate on the dirt road. 426 Comment
  SEINET269165  Erodium moschatum Scott D. White 1995-3-15 2560 Los Angeles Upslope from Winter Canyon near Pepperdine Univ.; north of Pacific Coast Highway east of Malibu Canyon road south wes 91 Comment
  RSA652315  Erodium moschatum Eleanor McClung 1937-3-14 1 Los Angeles Playa del Rey. Comment
  LA204347  Erysimum capitatum var. capitatum Carl Epling; May 1925 sn Los Angeles Mint Canyon 1523 Comment
  RSA532655  Erysimum capitatum var. capitatum Timothy S. Ross 1991-8-14 5772 Los Angeles Roundtop [Mtn], San Gabriel Mountains. 1768 Comment
  RSA611605  Erysimum capitatum var. capitatum L. C. Wheeler 1968-5-12 s.n. Los Angeles Spring 2/3 mile E of Juniper Bowl; Juniper Hills. 1158 Comment
  RSA530239  Erysimum suffrutescens T. S. Clare, G. Austin 1929-2-25 281 Los Angeles El Segundo, Los Angeles Comment
  CAS-BOT-BC403169  Eschscholzia californica C. F. Baker 1909-5-15 5307 Los Angeles Mts near Claremont Comment
  RSA0060779  Eschscholzia californica LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6811 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA725900  Eschscholzia californica Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2920 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. 915 Comment
  UCR280739  Eschscholzia californica R. G. Swinney 2014-5-19 16587 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
  LA200732  Eschscholzia californica A. H. Lange; 1951-4-27 sn Los Angeles Santa Monica Mountains, Point Dume Comment
  UCD95277  Eschscholzia californica Curtis Clark 1975-3-21 446 Los Angeles State Highway 138, 24 miles west of junction with State Highway 14, east of Gorman. Comment
  RSA582966  Eschscholzia californica var. peninsularis Tim S. Ross, Janet Takara 1993-4-23 6938 Los Angeles Santa Catalina Island, SW part of the island in Cape canyon. 284 Comment
  RSA248853  Eschscholzia ramosa Robert F. Thorne 1973-4-11 42873 Los Angeles San Clemente Island: dunes near Flasher, NW part of island. 3 Comment
  RSA0010827  Eucalyptus A. C. Sanders, Dan S. Cooper 2010-3-12 37378 Los Angeles South Coast: Madrona Marsh, Torrance. 24 Comment
  CATA3413  Eucalyptus globulus Benjamin J. Dion, Julia A. Parish 2017-2-9 011 Los Angeles Santa Catalina Island: Interior; Quail Valley, 20 meters west of main driveway entrance 160 Comment
  RSA461097  Eucalyptus viminalis Robert Gustafson 1981-4-14 2165 Los Angeles Ballona Wetlands, Area 2. Comment
  RSA0128960  Eucrypta chrysanthemifolia A. C. Sanders, Mark A. Elvin 2003-4-14 25980 Los Angeles Santa Clara River watershed; Newhall Ranch, ca. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank. 305 Comment
  RSA726007  Eucrypta chrysanthemifolia A. C. Sanders, Tricia Wotipka, Mark A. Elvin 2003-4-28 26125 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 488 Comment
  UCSB72621  Eucrypta chrysanthemifolia var. chrysanthemifolia Soza, Valerie; Sidibeh, Miriam 2003-3-26 Los Angeles Transverse Ranges; Verdugo Mountains region: Western San Rafael Hills: Ridge Motorway off Camino San Rafael, southwest of Emerald Isle Dr and Camino San Rafael junction, above Mayors Bicentennial Park 579 Comment
  UCR259906  Eulobus californicus R. G. Swinney 2010-3-16 11947 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
  CDA35451  Euphorbia J. Hartman, M. Adams 2001-6-27 PDR 67700 Los Angeles Garvey Reservoir, near Monterey Park. 0 Comment
  SD252325  Euphorbia Steven A. Junak 2000-7-1 Sca 1365 Los Angeles Santa Catalina Island: L. County Interpretive Center. 73 Comment
  CDA4822  Euphorbia dendroides S. Granger 1981-3-3 Los Angeles Foothills of the San Gabriel Mountains, Eaton Canyon near Kinneloa Mesa, north of New York Drive, Pasadena. Comment
  SD197759  Euphorbia helioscopia A. C. Sanders, T. B. Salvato 2009-5-20 36876 Los Angeles San Gabriel Valley: Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Boulevard (Highway 19) and west of Santa Anita Avenue. 66 Comment
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Jul 11 2010
  UCR197209  Euphorbia melanadenia Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 752 Los Angeles Verdugo Mountains, south side, above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Motorway 457 Comment
  RSA0086992  Euphorbia peplus R. G. Swinney 2010-4-21 12325 Los Angeles Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash. 457 Comment
  HSC7990  Euphorbia peplus C. S. Apperson 1966-3-3 Los Angeles Pierce College Arboretum. Comment
  CDA4878  Euphorbia terracina T. C. Fuller 1971-7-2 19910 Los Angeles University of California Botanic Garden, Westwood. Comment
  UCD18218  Euphorbia terracina Joe Ditomaso 2001-4-7 s.n. Los Angeles Malibu Canyon Road, entrance to Pepperdine University. Comment
  RSA0073223  Eurotia lanata Bonnie C. Templeton 1931-5-17 1205 Los Angeles West of Lancaster, Mohave Desert. Comment
  UCR204881  Festuca arundinacea R. G. Swinney 2005-8-9 8409 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  SBBG32011  Festuca bromoides R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -173 Los Angeles lower Bullrush Cyn Comment
  SD230134  Festuca californica Louis C. Wheeler 1972-5-21 Los Angeles San Gabriel Mountains: Millard Canyon, just inside National Forest Boundary. Comment
  SEINET3245920  Festuca myuros R. G. Swinney 2008-1 8569 Los Angeles San Gabriel Mtns.: San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn. 354 Comment
  UCR270802  Festuca octoflora R. G. Swinney 2011-5-26 14871 A Los Angeles San Gabriel Mountains, 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1073 Comment
  CAS-BOT-BC502101  Ficus microcarpa R. E. Riefner, Jr. 2014-7-13 14 -243 Los Angeles City of San Pedro, W side of S. Harbor Blvd at W. Santa Cruz St. 6 Comment
  RSA0088633  Ficus microcarpa R. E. Riefner Jr. 2014-7-27 14 -260 Los Angeles City of Long Beach, N of E 2nd St. and W of Marine Stadium Park, Alamitos Bay, along docks on Bay Shore Ave. between Monroe Ave. and E. Vista St. 6 Comment
  SJSU2257  Ficus religiosa C. W. Sharsmith 1942-9-9 4506 Los Angeles private estate opposite (E side) Beverly Hills Hotel, Beverly Hills Comment
  RSA583053  Filago californica Timothy S. Ross, Janet Takara, S. Otte 1993-4-25 6968 Los Angeles Santa Catalina Island: head of S fork Descanso canyon. 177 Comment
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Jun 4 2009
  UCR176953  Filago californica L. C. Wheeler 1967-4-30 9246 Los Angeles San Gabriel Mtns, Limekiln Canyon 564 Comment
  RSA589340  Forestiera pubescens Orlando Mistretta 1994-3-30 959 Los Angeles San Gabriel Mountains, Little Rock Creek. On creek below Little Rock Dam E of guard station. 960 Comment
  RSA590825  Forestiera pubescens Orlando Mistretta 1994-3-30 959 Los Angeles San Gabriel Mountains, Little Rock Creek. On creek below Little Rock Dam E of guard station. 960 Comment
  UCD38456  Forestiera pubescens Beecher Crampton 1955-4-28 2724 Los Angeles Old State Hwy. 138, 2 miles west of Lancaster. Comment
  UCR163335  Forestiera pubescens Anuja Parikh, Nathan Gale 2004-6-22 2062 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 13), near the Ventura County line, downstream of Mayo Spur 305 Comment
  LA212442  Frangula californica Vincent Arellano; 1980-6-2 41 Los Angeles 4 miles from bear divide road. Left side of road. 670 Comment
  RSA391385  Frankenia grandifolia F. R. Fosberg 1930-6-23 S 2992 Los Angeles Del Rey. 1 Comment
  CAS-BOT-BC223763  Frankenia salina Ira W. Clokey 1930-6-4 5005 Los Angeles Santa Cruz Island Comment
  LA205388  Frankenia salina J. Burtt Davy; October 1896 2948 Los Angeles Antelope Valley, near Rosamond Comment
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Jul 23 2014
  PASA836  Franseria acanthicarpa Sally Ellis 1939-10-2 Los Angeles Claremont Comment
  OBI54971  Frasera neglecta Victor Duran 1933-7-8 3501 Los Angeles Horse Flats, San Gabriel Mts 1676 Comment
  RSA776714  Fraxinus uhdei Steve Boyd, Rick Riefner 2007-4-27 11741 Los Angeles City of Carson, northwestern end shore of Harbor Park Lake (formerly known as Bixby Slough), between Pacific Coast Highway and Vermont Avenue. 43 Comment
  RSA776728  Fraxinus uhdei Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11684 Los Angeles Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  CAS-BOT-BC211006  Fraxinus velutina L. R. Abrams 1900-8-10 876 Los Angeles San Gabriel River, West Fork Comment
  RSA69897  Fraxinus velutina F. W. Peirson 1922-6-3 3081 Los Angeles 3 miles west of Elizabeth Lake. 1113 Comment
  SFV20830  Fraxinus velutina var. coriacea L. Gross 2002-6-24 544 Los Angeles Verdugo Mountains Along La Tuna Canyon Road. 488 Comment
  RSA600702  Fremontodendron californicum subsp. californicum Louis C. Wheeler 1969-6-1 s.n. Los Angeles San Gabriel Mountains. Campground, Mill Creek. 1098 Comment
  RSA126750  Fritillaria biflora Peter H. Raven, Henry J. Thompson 1959-4-3 13913 Los Angeles NE of Saddle Peak, summit. Saddle Peak. Santa Monica Mountains. 823 Comment
  UC450832  Galium andrewsii subsp. intermedium Fay A. Macfadden 1931-4-22 2643 Los Angeles summit hwy from Los Angeles to Lake Hughes via San Francisquito Canyon Comment
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Aug 8 2016
  UCR168355  Galium andrewsii subsp. intermedium Orlando Mistretta 1994-9-13 1481 Los Angeles San Gabriel Mtns, Santiago Canyon, Santiago Creek near junction of Forest Service Road 4N20 and BM 3980 1213 Comment
  RSA0036978  Galium angustifolium R. G. Swinney 2010-5-29 13397 Los Angeles San Gabriel Mountains: junction of W. Fork May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 Comment
  UCR192944  Galium angustifolium Dan S. Cooper 2008-5-8 s.n. Los Angeles Los Angeles Basin, end of Kinney St, Glassell Park, Los Angeles 186 Comment
  UCSB9394  Galium angustifolium McElwain, Isabelle 1953-5-4 Los Angeles 18000 Bull Canyon Rd. Granada Hills Comment
  POM4430  Galium angustifolium subsp. angustifolium I. M. Johnston 1928-5-20 s.n. Los Angeles Claremont. 366 Comment
  UCR272478  Galium angustifolium subsp. angustifolium Mitch Provance 2016-6-27 616- 18 Los Angeles San Gabriel Mountians, Big Pines, Camp McClellan, N side of Table Mountain Rd. 2171 Comment
  POM367670  Galium angustifolium subsp. angustifolium Howard Mullins 1931-4-27 270 Los Angeles Griffith Park. Comment
  RSA0031454  Galium angustifolium subsp. angustifolium Orlando Mistretta, Christine Mistretta 2008-4-23 2529 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California Edison transmission line tower (Segment 6, Structure 61 per TRTP Survey 2008), vicinity of Upper Big Tujunga Canyon. 1143 Comment
  RSA517108  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd 1990-5-14 2463 Los Angeles San Gabriel Mts.: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1155 Comment
  RSA708106  Galium angustifolium subsp. gabrielense Gary D. Wallace 1985-5-30 2198 Los Angeles Monrovia, 0.25 mi. E of Sawpit Dam. Comment
  RSA729814  Galium angustifolium subsp. gabrielense R. G. Swinney 1998-7-10 6378 Los Angeles San Gabriel Mtns.: Prairie Fork, near Cabin Flats Campground 1622 Comment
  CHSC95773  Galium aparine LeRoy Gross; Naomi Fraga 2002-4-4 508 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Southwest side; From saddle along main crest where the dirt roads of Verdugo Mountain Way and Chandler Fire Road meet, (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road, (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. This home was burned down a long time ago, and road abandoned. 532 Comment
  RSA658528  Galium aparine Diane Elliott 1985-5-10 34 Los Angeles Canyon, (.5)? miles S of intersection, Eastvale Rd. and Palos Verdes Drive North. Comment
  UCSB9987  Galium aparine Wedberg, H. 1958-2-22 Los Angeles Mulholland Drive, 1/8 mile W. of Fire Station, W. Beverly Glen Blvd., Santa Monica Mountains Comment
  POM11921  Galium biflorum Philip A. Munz 1922-5-30 5579 Los Angeles Mescal Valley, San Antonio Mountains. 2043 Comment
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Jul 3 2014
  LA208421  Galium californicum subsp. flaccidum Louis C. Wheeler; 1932-7-2 899 Los Angeles San Gabriel Mountains, Browns Flat--Feen Canyon water trail, San Gabriel Mts 1219 Comment
  SBBG119263  Galium grande V. Soza, W. Law, L. Moore 2000-7-7 1056 Los Angeles N of Mt Bliss, Van Tassel Truck Trail (FS Rd 1N36), ca. 0.15 mi N of jct of Van Tassel Truck Trail and Van Tassel Rd (FS Rd 1N36A); T1N R10W SW/4, NE/4 S8 1082 Comment
  CAS-BOT-BC494156  Galium jepsonii Valerie Soza 2004-6-17 1723 b Los Angeles San Gabriel Mountains, along Pacific Crest Trail, from Cloudburst Summit to Cooper Canyon, just below summit along Hwy 2 2103 Comment
  UCR85806  Galium johnstonii T. S. Ross, Steve Boyd 1991-7-24 5672 Los Angeles San Gabriel Mtns, Granite Mountain, NNE slope 1900 Comment
  SFV22021  Galium porrigens var. porrigens V. Soza, L. Gross, A. Munoz 2000-5-12 892 Los Angeles Verdugo Mountains Northeast side of Verdugo Mountains. Glendale, Engleheard Canyon, Camp Max Strauss at end of Shirlyjean Street. Fire road south from Engleheard Canyon to power lines. Northeast-facing slope above fire road. 396 Comment
  RSA89787  Garrya flavescens var. pallida R. M. Beeks 1951-6-12 193 Los Angeles Angeles Crest Hwy., near Charlton Flats. 1524 Comment
  RSA89604  Garrya veatchii R. M. Beeks 1951-6-12 192 Los Angeles Angeles Crest Hwy, San Gabriel Mts, 3 miles below Redbox. 915 Comment
  SBBG13304  Gastridium phleoides M. A. Piehl -Jun-1962 62409 Los Angeles dry slopes at Thirst 579 Comment
  UCR209969  Gayophytum R. G. Swinney 2008-7-15 9228 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  RSA0092535  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-6-22 15255 Los Angeles San Gabriel Mountains: Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy. 1780 Comment
  UCR209597  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2008-7-3 9155 Los Angeles San Gabriel Mtns., Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2345 Comment
  RSA596411  Gayophytum oligospermum Tim S. Ross, Steve D. Boyd, Peter Fritsch 1990-6-11 3366 Los Angeles Big Rock Creek Canyon: ca 120 m NNW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin). 1732 Comment
  RSA250663  Geranium carolinianum Robert F. Thorne 1971-3-31 41454 Los Angeles Johnson s Pastures, N of Mountain Ave., Claremont. 549 Comment
  RSA735093  Gilia achilleifolia Rosemarie Zimmermann 1961-3-30 21 Los Angeles Blanchard Park, Pomona College. 366 Comment
  UCR271471  Gilia achilleifolia subsp. achilleifolia R. G. Swinney 2011-5-3 14573 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  CHSC3670  Gilia angelensis Mary MacArthur 1966-6-4 39 Los Angeles 5 ft from river bed. 1524 Comment
  UCR190436  Gilia angelensis R. G. Swinney 2000-5-6 7674 Los Angeles San Gabriel Mtns., c. 1.5 mi. NNE of West Fork San Gabriel River, 0.1-1 mi. NW of Hwy 39 in the North Fork drainage 854 Comment
  UCR95281  Gilia angelensis L. C. Wheeler 1967-5-2 9260 Los Angeles San Gabriel Mtns, Liebre Mtns, north side of northwesternmost end of foothills (of San Gabriel Mtns) between Bouquet Junction and Bonelli Ranch 427 Comment
  RSA470096  Gilia angelensis E. S. Spalding 1924-5-3 s.n. Los Angeles Manhattan Beach. Comment
  RSA778741  Gilia brecciarum subsp. brecciarum Orlando Mistretta, Christine Mistretta 2010-6-1 5232 Los Angeles Transverse Ranges; San Gabriel Mountains region: Mill Creek Canyon; along Southern California Edison transmission line corridor; approx. 1.0 air miles S of Mill Creek summit, near spur road to Falcon Mine. 1280 Comment
  CAS-BOT-BC482460  Gilia capitata R. G. Swinney 2010-3-22 12016 Los Angeles San Gabriel Mountains: Lopez Canyon Rd., 1.4 mi W of Kagel Canyon Road juncation, NE of Pacoima 502 Comment
  UCD117681  Gilia capitata subsp. abrotanifolia James Henrickson 1966-4-16 2237 Los Angeles Soledad Canyon, along Escondito Canyon Road, 1 mile NW of Highway 14. 883 Comment
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Jul 9 2014
  UCD117690  Gilia capitata subsp. abrotanifolia Collector unknown 1923-5-22 273 Los Angeles Plume trail, Eaton Canyon. Comment
  RSA469355  Gilia clivorum F. R. Fosberg 1931-4-10 S- 4538 Los Angeles Avalon Canyon, Santa Catalina Island. 150 Comment
  UCR177617  Gilia diegensis LeRoy Gross, Michael Denslow 2003-6-4 991 Los Angeles Transverse Ranges; San Gabriel Mtns, Southeast of Dawson Saddle, east of Angeles Crest Highway (Hwy 2) 2439 Comment
  RSA0014580  Gilia leptantha subsp. transversa Orlando Mistretta, Christine Mistretta 2011-6-18 5720 Los Angeles Aliso Cyn drainage, on Forest Rd. 4N24 1.0 miles S of junction with Aliso Cyn Rd. 1083 Comment
  RSA0116709  Gilia leptantha subsp. transversa J. Mark Porter, Lauren Machen 2004-5-2 14087 Los Angeles San Gabriel Mountains, northern foothills; ca. 0.25 mi. E of Largo Vista Road, several miles S of the California Aqueduct. 1360 Comment
  UCR43293  Gilia minor David Charlton 1986-6-15 270 Los Angeles San Gabriel Mtns, Betweeen Blue Ridge Campground (1.5 air mi SSE of Bigpine) and the reservoir at the top of Chisolm Ski Run; along the reservoir maintenance road, 0.7 to 1.2 mi south of Angeles Crest hwy on Forest Road 3N06 2439 Comment
  POM158307  Gilia nevinii M. B. Dunkle 1928-4-29 1901 Los Angeles Little Harbor, Santa Catalina Island. 9 Comment
  RSA72283  Gilia nevinii F. W. Peirson 1923-4-9 3433 Los Angeles San Clemente Island: Wilson's Cove. Comment
  CAS-BOT-BC402002  Gilia ochroleuca subsp. bizonata Steve Boyd; Lauren Raz 1997-4-16 9515 Los Angeles Liebre Mountains Region: Northwest end of the range, Peace Valley due south of the junction of Interstate 5 and Highway 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service road 8N01 960 Comment
  CAS-BOT-BC402018  Gilia ochroleuca subsp. bizonata Carl B. Wolf 1935-5-6 6733 Los Angeles Liebre Mts. 1/2 mi. E. of Gorman 1158 Comment
  CAS-BOT-BC402056  Gilia ochroleuca subsp. vivida Timothy S. Ross 1994-5-31 7966 Los Angeles San Gabriel Mountains. Pacifico Mountain: ca 530 m due W of the 7124-ft summit; low saddle-like area, functionally the head of Santiago Canyon 2023 Comment
  CAS-BOT-BC402080  Gilia ochroleuca subsp. vivida F. W. Peirson 1923-5-26 3534 Los Angeles Rock Creek Divide, San Gabriel Mountains Comment
  RSA0017147  Gilia ochroleuca subsp. vivida Valerie L. Soza, Naomi Fraga, Aydee Virgen 2003-6-16 1674 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
  RSA0017162  Gilia ochroleuca subsp. vivida Orlando Mistretta 1995-6-20 1784 Los Angeles Bare Mountain Canyon: end of Forest Rd. 3N7E at head of drainage, E of Pacifico Mountain. 2104 Comment
  RSA0068084  Glechoma hederacea Michael C. Long 2015-5-1 925 Los Angeles San Gabriel Mtns., Upper Arroyo Seco, ca. 0.6 mi. SW of Switzer's Picnic Area, at first river crossing south of Switzer's, along E edge of trail. 929 Comment
  UCR23905  Glycyrrhiza lepidota John C. Roos 1942-6-6 1064 Los Angeles Western Transverse Range, Placerita Canyon near Newhall 610 Comment
  JEPS30721  Glyptopleura setulosa Peter H. Raven 1962-4-6 17103 Los Angeles 0.5 mi n of Pearblossom 853 Comment
  UCR159702  Gnaphalium beneolens Orlando Mistretta 1992-9-14 804 Los Angeles Transverse Ranges, San Gabriel Mtns: North Fork Saddle. North Fork Management Unit, Tujunga Ranger District Comment
  RSA0001209  Gnaphalium beneolens Fred Burlew 1917-09 3275 Los Angeles Crescenta. Comment
  RSA650964  Gnaphalium californicum A. E. Hersh 1950-7-9 s.n. Los Angeles roadside [Topanga] Canyon, about 2 miles from west end. 91 Comment
  CATA1338  Gnaphalium palustre Mark L. Hoefs, Robert F. Thorne, Janet Takara 1995-7-25 2440 Los Angeles Santa Catalina Island: Echo Lake 396 Comment
  CATA541  Gnaphalium palustre Mark L. Hoefs, Robert F. Thorne 1975-8-7 805 Los Angeles Santa Catalina Island: Haypress Reservoir 457 Comment
  RSA191585  Gnaphalium palustre R. F. Thorne, M. Z. Thorne 1966-8-29 36585 Los Angeles San Gabriel Mts, Angeles National Forest: Big Pines Recreation Area, dry slope above E end of Jackson Lake, on road from Big Pines to Valyermo. 1890 Comment
  UC2013260  Goodmania luteola Larry Kelly with David Keil 1988-4-16 41 Los Angeles Antelope Valley, ca. 2 mi W of Highway 14 along Highway 138. Comment
  UCR51036  Grayia spinosa A. C. Sanders, B. Pitzer, J. C. Lyman 1988-4-4 7774 Los Angeles Western Mojave Desert, Lancaster, near Quartz Hill, south of Ave L at 37th St. West 747 Comment
  RSA0036050  Grindelia R. G. Swinney 2009-11-18 11653 Los Angeles 1.7 miles west of junction of Bobs Gap Rd. and Valyermo Rd., at junction of Sand Rock Creek & Valyermo Rd., S side of road 1108 Comment
  UCR101208  Grindelia camporum var. bracteosa Steve Boyd, L. Raz 1997-6-18 9988 Los Angeles San Gabriel Mtns., Liebre Mountains, along Elizabeth Lake Road in Leona Valley, south of Portal Ridge, 5.1 rd. mi west of intersection with 90th St. W. 1055 Comment
  OBI62224  Gutierrezia californica P. A. Holden 1968-9-15 553 =630 Los Angeles SE of Rosamond in the Antelope Valley Comment
  UC450852  Gutierrezia sarothrae Fay A. Macfadden 1931-7-8 3081 Los Angeles Pacoima Canyon San Fernando Valley Comment
  RSA0112650  Hainardia cylindrica Steven A. Junak 1999-5-20 SCa- 953 Los Angeles Santa Catalina Island. Cottonwood-Black Jack Road, plant stop. 305 Comment
  UCR89462  Harpagonella palmeri T. S. Ross 1993-4-21 6843 Los Angeles Channel Islands, Santa Catalina Island, SW part of the island along major E-W ridge between 'Carlos' (972 ft) and Cactus Peak (1560 ft); 500-1200 ft NNE to NE of 'Quartz' (1252 ft) 398 Comment
  SBBG17779  Hazardia cana P. H. Raven 1962-5-10 17730 Los Angeles large Cyn W of Thirst 304 Comment
  LA30848  Hazardia squarrosa var. grindelioides Peter H. Raven; Jane Turner, Barbara Whitesel 1959-2-23 C- 136 Los Angeles Santa Monica Mountains, Latigo Canyon, unspecific location Comment
  RSA188132  Hazardia squarrosa var. grindelioides R. F. Thorne 1966-4-28 36242 Los Angeles Santa Catalina Island. Near junction of Wrigley Drive and Renton Mine Road. 91 Comment
  CATA2037  Hedypnois cretica Steven A. Junak, Keri Kirkland, Linda Vorobik 1998-5-14 Los Angeles Santa Catalina Island: Just W of Airport Road, on E flanks of Black Jack Peak, along old roadbed 469 Comment
  RSA600846  Helenium bigelovii L. C. Wheeler 1966-9-21 8909 Los Angeles San Gabriel Mountains. South fork of Big Rock Creek in the vicinity of Lily Spring. 2378 Comment
  CAS-BOT-BC309441  Helenium puberulum Carl B. Wolf 1932-9-16 4088 Los Angeles Bryant Ranch. 100 - 150 ft. W. of State Highway, at extreme SE. corner of Pacific Western Oil Co. Lease 3 Comment
  LA201750  Helenium puberulum Arthur C. Gibson; 2001-5-19 4807 Los Angeles Santa Monica Mountains, near the village of Topanga Comment
  CAS-BOT-BC223977  Helianthemum scoparium Louis C. Wheeler 1967-5-23 9696 Los Angeles San Gabriel Mountains: Near mouth of Bear Canyon, off Soledad Canyon Comment
  RSA607618  Helianthemum scoparium L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: Divide between Oak Spring Canyon and Cottonwood Canyon, off Little Tujunga Canyon. 822 Comment
  POM359978  Helianthus annuus subsp. lenticularis Anstruther Davidson s.n. Los Angeles E. Los Angeles. Comment
  CAS-BOT-BC305691  Helianthus gracilentus Tim Ross; Steve Boyd 1992-7-5 6608 Los Angeles Liebre Mountains. Red Mountain: rocky summit area 1217 Comment
  RSA549165  Helianthus gracilentus Timothy S. Ross, Peter Fritsch 1990-6-20 3659 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon. 1256 Comment
  UCR142902  Helianthus gracilentus C. W. Tilforth, G. Steenhuizen 1973-7-6 892 Los Angeles San Gabriel Mtns., road along west side of San Antonio Canyon, north of Claremont 1220 Comment
  CAS-BOT-BC305791  Helianthus nuttallii Davidson; Greata 1901-9-1 s.n. Los Angeles East Los Angeles Comment
  POM3869  Heliotropium curassavicum var. oculatum W. R. Dudley, F. H. Lamb 1896-6-6 4327 Los Angeles Lancaster. Comment
  RSA150860  Hemizonia clementina Peter H. Raven 1962-4-9 17152 Los Angeles Wilson Cove, San Clemente Island. 61 Comment
  RSA158199  Hemizonia fasciculata Peter H. Raven 1962-7-11 17994 Los Angeles Canyon N of station Nanny, N of Lemon Tank, San Clemente Island Comment
  RSA603415  Hemizonia fasciculata L. C. Wheeler 1936-6-30 4196 Los Angeles E side San Dimas Canyon near dam, San Gabriel Mts. 457 Comment
  SBBG113110  Herniaria hirsuta var. cinerea S. A. Junak 1998-5-2 SCa 621 Los Angeles upper portion of Avalon Cyn watershed, along Memorial Rd, ca. 0.7 mi rd mi above Wrigley Memorial 213 Comment
  RSA0104907  Heteromeles arbutifolia R. G. Swinney 2011-10-18 15841 Los Angeles San Gabriel Mountains: 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2. 1021 Comment
  UC860405  Heteromeles arbutifolia F. R. Fosberg 1931-12-11 7159 Los Angeles flat near Gallagher's Beach; Santa Catalina Island 2 Comment
  RSA0074516  Heterotheca fastigiata L. C. Wheeler 1968-8-8 s.n. Los Angeles San Gabriel Mountains: About 1/2 mile downstream from trail camp in Devils Canyon. 1189 Comment
  RSA0074080  Heterotheca grandiflora Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz 1996-7-11 8897 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  RSA0074427  Heterotheca grandiflora Fordyce Grinnell Jr. 1917-9-9 s.n. Los Angeles Los Angeles River bottom, near Los Angeles. Comment
  RSA0075802  Heterotheca grandiflora Gary D. Wallace 1978-2-12 1582 Los Angeles Palos Verdes Peninsula: N of Portuguese Bend at the end of Forrestall Drive. Comment
  UC735721  Heterotheca grandiflora Charles B. Heiser Jr. 1947-6-16 1940 Los Angeles along Highway 99, n Los Angeles Co. Comment
  CAS-BOT-BC311264  Heterotheca sessiliflora subsp. echioides F. W. Peirson 1923-10-7 4163 Los Angeles Newhall at Railway Station, San Gabriel Mts. Comment
  SBBG63107  Heterotheca sessiliflora subsp. fastigiata R. Hoffmann 1927-9-21 Los Angeles Ridge Route (US Hwy 99) near Sandberg's Comment
  UCD170561  Heuchera caespitosa R. G. Swinney 1998-7-28 6517 Los Angeles San Gabriel Mtns., south fork of Cow Canyon at and above Fallen Leaf Spring, to 0.2 mi. south of Glendora Ridge Rd. 1366 Comment
  RSA0045438  Heuchera caespitosa Wendy Boes, Andrew S. Wheeler 2009-6-22 2009 -026 Los Angeles San Gabriel Mountains; Crystal Lake recreation area, Forest Service trail 9W27 1585 Comment
  SFV21098  Hirschfeldia incana L. Gross, W. Law 2000-8-8 251 Los Angeles San Fernando Valley Big Tujunga Wash east of Hansen Dam. East of Orcas Park along river (just north of Wentworth Street but not as far as Tujunga ponds. 325 Comment
  RSA604693  Hirschfeldia incana L. C. Wheeler 1967-9-29 s.n. Los Angeles Ridge 1/2 mile WNW Pine Mountain. 1249 Comment
  SD82800  Holodiscus discolor Joseph Andorfer Ewan 1933-7-4 7853 Los Angeles San Gabriel Mts., Sturdevant Trail, Santa Anita Canyon 1067 Comment
  SD233249  Hordeum depressum D. E. Bramlet, R. L. Allen 2011-5-23 4842 Los Angeles Coastal Plains & Basins; Los Angeles Basin region: Whittier Narrows Recreation Area, Parking lot of Archery range. 63 Comment
  SEINET10828610  Hordeum jubatum Adolph D. E. Elmer Elmer 3618 Los Angeles Comment
  PASA641  Hordeum murinum Sally Ellis 1939-4-4 Los Angeles Claremont Comment
  SBBG38845  Hordeum murinum M. B. Dunkle 1939-4-5 7271 Los Angeles China Pt Comment
  POM352459  Hordeum murinum subsp. leporinum M. B. Dunkle 1928-3-31 1784 Los Angeles Santa Catalina Island: Campo Blanco [El Rancho Escondido]. Comment
  RSA639099  Hordeum murinum subsp. leporinum L. C. Wheeler 1967-5-15 9567 Los Angeles Ridge immediately east of Fremont Pass. 579 Comment
  LA211069  Hordeum vulgare Arthur C. Gibson; 2010-3-1 s.n. Los Angeles SANTA MONICA MOUNTAINS, Kittridge Rd., Woodland Hills, on the the margin of Santa Monica Mountains. Comment
  LA33815  Horkelia cuneata subsp. cuneata Peter H. Raven; 1959-4-18 13998 Los Angeles SANTA MONICA MOUNTAINS, Pt. Dume, behind point. 24 Comment
  JEPS44522  Horkelia rydbergii Frank W. Peirson 1923-8-31 4026 Los Angeles San Gabriel Mountains, Big Pines 1859 Comment
  CAS-BOT-BC213014  Hosackia crassifolia Le Roy Abrams; E. A. McGregor 1908-7-3 587 Los Angeles North Baldy Mountain, San Gabriel Mountains 1828 Comment
  RSA233722  Hulsea heterochroma R. F. Thorne, Larry E. DeBuhr 1972-8-18 42250 Los Angeles San Gabriel Mts; Angeles National Forest: open peak of Mt. Islip 2515 Comment
  UCSB26720  Hulsea heterochroma Wilken, Dieter 1968-6-1 Los Angeles North Fork Mill Creek Canyon, along Los Angeles County Road N3, 3 miles south of Mill Creek Summit, San Gabriel Mtns. 1463 Comment
  UCSB27279  Hulsea vestita subsp. gabrielensis Wilken, Dieter 1969-7-3 Los Angeles Near summit of Mt. Gleason, 5 miles west of Mill Creek Summit, San Gabriel Mountains Comment
  CDA7997  Hymenoclea salsola A. C. Browne 1954-5-9 Los Angeles Llano. 0 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
  POM308900  Imperata brevifolia Kay H. Beach 1943-8-27 661 Los Angeles West side of the N Fork above Flume no. 5, San Dimas Experinemtal Forest Comment
  SFV12574  Ipomoea purpurea M. H. Grayum 1977-11-24 869 Los Angeles San Fernando Valley Sepulveda Basin. Along Los Angeles River, between dam and Burbank Blvd. 207 Comment
  SBBG128204  Isocoma menziesii M. G. Simpson, A. Russell, J. Dunn 2000-7-20 2202 Los Angeles ca. 0.7 mi NNW of South Pt, along ridge 122 Comment
  UCD113622  Ivesia santolinoides Mrs. Griffin 1934-6-1 s.n. Los Angeles Silver Lake. Comment
  UCR141578  Ivesia santolinoides June Latting 1978-9-16 s.n. Los Angeles San Gabriel Mountains, Throop Peak Trail 2786 Comment
  UCD51392  Jarava speciosa A. A. Beetle 1942-4-24 3215 Los Angeles Rt. 6, 6 miles south of Palmdale. Comment
  SBBG108994  Jepsonia malvifolia S. A. Junak 1996-10-1 SCl 691 Los Angeles E side of upper Horse Cyn, in southernmost of 2 small side cyns 499 Comment
  CAS-BOT-BC101913  Juglans californica Henry J. Thompson 1959-3-31 1219 Los Angeles 1.2 miles [sout-west] south-west of Seminole Hot Springs, about 2 miles south-west of Cornell 396 Comment
  UCR125250  Juglans californica A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25544 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, canyon on south side of central Potrero Canyon, SSW of old ranch headquarters 396 Comment
  LA33624  Juglans californica var. californica Henry J. Thompson; 1959-3-31 1912 Los Angeles Santa Monica Mountains, 1.2 mi SW of Seminole Hot Springs, about 2 mi SW of Cornell 396 Comment
  UC34950  Juglans californica var. californica unknown 1825-9-20 Los Angeles Azusa Comment
  SBBG57234  Juncus acutus R. Hoffmann 1927-8-30 Los Angeles near Castaic Comment
  UCR187101  Juncus balticus A. C. Sanders 2006-5-16 32335 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon just above the National Cement Plant Rd., 0-0.25 mi. upstream, 1.5 miles NNE of Quail Lake 991 Comment
  RSA782111  Juncus bufonius A. C. Sanders, Dan S. Cooper 2010-4-30 38158 Los Angeles Madrona Marsh, Torrance. 24 Comment
  POM246810  Juncus bufonius F. R. Fosberg 1931-5-4 S- 4751 Los Angeles Middle Ranch Canyon, 2nd bridge below Eagle s Nest, Santa Catalina Island 140 Comment
  CATA899  Juncus bufonius var. bufonius Mark L. Hoefs, Robert F. Thorne 1992-4-1 1732 Los Angeles Santa Catalina Island: Emerald Bay 6 Comment
  RSA600307  Juncus bufonius var. occidentalis L. C. Wheeler 1961-6-9 7850 Los Angeles San Gabriel Mountains. Big Tujunga Canyon at Vetter Gulch. 1280 Comment
  RSA628882  Juncus bufonius var. occidentalis L. C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: East Fork of Alder Creek off Big Tujunga. 1493 Comment
  RSA710725  Juncus macrophyllus Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1345 Los Angeles La Crescenta Valley Park, near confluence of Verdugo Wash and Cunningham Canyon. 442 Comment
  RSA729107  Juncus macrophyllus R. G. Swinney 1999-6-28 7459 Los Angeles San Gabriel Mtns./Mojave Desert: Graham Canyon, south of Mescal highlands Rd. 1506 Comment
  RSA0039056  Juncus mexicanus R. G. Swinney 2009-11-16 11646 Los Angeles Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  UC1595310  Juncus mexicanus Tim Ross, Steve Boyd 1990-6-18 3475 Los Angeles northerly draw draining to Jackson Lake (San Gabriel Mountains, Camp Verdugo Pines and vicinity); San Gabriel Mountains 1877 Comment
  RSA0126995  Juncus mexicanus Louis C. Wheeler 1967-7-15 10026 Los Angeles Angeles National Forest. Mt. Waterman. Comment
  RSA368289  Juncus oxymeris Samuel R. Tyson 1942-5-22 s.n. Los Angeles San Dimas Canyon 488 Comment
  LA211114  Juncus patens Arthur C. Gibson; Tarja Sagar 2009-6-30 5263 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek State Park, Near M.A.S.H. film site. Comment
  RSA762502  Juncus rugulosus R. G. Swinney 2008-10-10 9574 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  UC115099  Juncus rugulosus A. J. McC. 1893-7-8 156 Los Angeles Pasadena Comment
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Aug 5 2010
  RSA603547  Juncus xiphioides Mark Hoefs, Steven A. Junak, Janet Takara, M. Gay 1995-7-12 2359 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon 6 Comment
  RSA754210  Juncus xiphioides Ellen Mackey, Blake Whittiington 2006-10-11 NFWF- 1789 Los Angeles edge of San Dimas Creek along trail next to the gate 454 Comment
  CAS-BOT-BC81005  Juniperus californica Vernon O. Bailey 1907-10-30 s.n. Los Angeles San Fernando Comment
  UCD123816  Keckiella cordifolia Louis C. Wheeler 1932-6-16 829 Los Angeles Liveoak Wash, 2 miles northeast La Verne. 403 Comment
  UCR174644  Keckiella cordifolia Jennifer H. Jones, Jay H. Jones 2006-6-4 380 Los Angeles Transverse Ranges; Foothills of San Gabriel Mtns., Webb Canyon Road 457 Comment
  POM4266  Keckiella ternata subsp. ternata I. M. Johnston 1917-8-23 1676 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  SEINET8853387 Image available Kerria japonica Henrickson 2002-1 23283 Los Angeles Cultivated in South Pasadena, 1409 Oneonta Knoll from material otained from Forest Farms nursery, Williams, Oregon Comment
  UC1714356  Kochia californica Katharine Brandegee Los Angeles Lancaster Comment
  RSA612157  Koeleria macrantha L. C. Wheeler 1932-7-2 913 Los Angeles Brown's Flat 1311 Comment
  UC70695  Koeleria macrantha G. B. Grant June 1902 5100 Los Angeles Mt. Wilson 1828 Comment
  RSA135196  Koeleria macrantha P. H. Raven 1960-5-15 15363 Los Angeles Piuma Road 2.3 miles east of Rambla Pacifica; 34? N, 118 - 119?W 488 Comment
  LA99357  Krascheninnikovia lanata E. R. Hobbs; 1978-4-23 78- 184 Los Angeles Antelope Valley, Little Rock, State Highway 138 Comment
  OBI6199  Krascheninnikovia lanata Shirley Vaughan 1974-5-11 9 Los Angeles 10th St. E, Lancaster 718 Comment
  CATA1445  Lactuca serriola Mark L. Hoefs, Robert F. Thorne 1996-4-6 2609 Los Angeles Santa Catalina Island: Pebbly Beach 6 Comment
  RSA94814  Lactuca serriola F. W. Peirson 1921-9-21 2584 Los Angeles at 1085 New York Drive, Altadena. Comment
  RSA0047412  Lamarckia aurea R. G. Swinney 2010-5-4 12482 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  RSA623828  Lamarckia aurea T. Gertrude Williamson 1935-4-10 1545 Los Angeles Claremont. Comment
  SEINET10598998  Lamarckia aurea John Quincy 1890-3-9 Fritchey s.n. Los Angeles Hills E Los Angeles. Comment
  RSA605814  Lamium amplexicaule Louis C. Wheeler 1966-10-27 9092 Los Angeles San Gabriel Mountains: Rincon Ranger Station. Comment
  POM2171  Lastarriaea coriacea L. R. Abrams 1901-4-1 1218 Los Angeles Ballona Harbor. Comment
  CAS-BOT-BC337889  Lasthenia R. J. Dobbs 1927-5-7 s.n. Los Angeles San Gabriel Mts. Arroyo near Teddy's Comment
  CAS-BOT-BC338128  Lasthenia californica George B. Grant 1904-5-14 s.n. Los Angeles At Playa del Rey Comment
  POM18757  Lasthenia californica P. A. Munz 1923-4-8 6626 Los Angeles San Clemente Island. 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
  UCR259665  Lasthenia coronaria R. G. Swinney 2010-4-1 12144 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  JEPS26579  Lasthenia gracilis Peter Kamb 1948-5-6 967 Los Angeles San Gabriel Mts. 975 Comment
  UC53906  Lasthenia gracilis Ernest Braunton 1902-4-1 253 Los Angeles n Pomona Comment
  UCR170391  Lasthenia gracilis A. C. Sanders 2005-5-5 29939 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, west edge of Cruzan Mesa, north of Bench Mark 'Plum 671 Comment
  RSA545282  Lasthenia gracilis D. Propst, Mark Hoefs 1973-3-3 41 Los Angeles Santa Catalina Island: Airport road just below airport 457 Comment
  SEINET7042257  Lathyrus sulphureus A. G. Vestal 1938-7-3 s.n. Los Angeles Barley Flats, San Gabriel Mountains, Angeles National Forest. Chilao Flat quadrangle. UTM Zone 11, 401100mE, 379337mN. Ca 5000'. Comment
  SEINET269220  Lathyrus vestitus Scott D. White, Chet McGaugh 1995-5-9 2997 Los Angeles E edge of Santa Susana Mts W of San Gabriel Mts. Sunshine Canyon Landfill property: W of San Fernando Rd and I-5 Fwy 457 Comment
  UCR127053  Lathyrus vestitus M. S. Enright 2003-5-24 s.n. Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. 915 Comment
  RSA3532  Lathyrus vestitus subsp. alefeldii C. B. Wolf 1932-5-9 3475 Los Angeles Santa Catalina Island. Along the trail in the left (east) fork of Pebbly Beach Canyon, 1/2 mile above the Mexican houses. 61 Comment
  UCSB3107  Lathyrus vestitus var. alefeldii Wedberg, Lee 1954-4-26 Los Angeles Devil's Gate Dam, Pasadena 243 Comment
  RSA434057  Lavatera assurgentiflora subsp. assurgentiflora E. S. Spalding 1923-7-11 s.n. Los Angeles Hermosa Beach. Comment
  RSA585345  Layia glandulosa Timothy S. Ross 1991-4-27 4636 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 of the county line. 1183 Comment
  UC912595  Layia glandulosa Herbert L. Mason 1926-4-27 3042 Los Angeles Little Rock Creek Comment
  UCR241086  Layia glandulosa 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
  UCR259047  Layia glandulosa R. G. Swinney 2010-5-12 12755 Los Angeles San Gabriel Mountains, Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  RSA92284  Layia glandulosa F. W. Peirson 1925-4-23 5803 Los Angeles River bottom, San Gabriel River 396 Comment
  SBBG12840  Layia platyglossa E. R. Blakley 1962-6-9 5204 Los Angeles cyn W of rd, 2.5 mi N of China Pt 190 Comment
  POM30343  Layia platyglossa subsp. campestris Marcus E. Jones 1882-5-2 s.n. Los Angeles Pasadena. Comment
  UCR78146  Layia platyglossa subsp. campestris Wandalee Thompson 1964-4-22 31 Los Angeles Transverse Range; Liebre Mtns., Thompson Ranch entrance road, 20660 West Pine Canyon Road, c. 5 miles west of Lake Hughes 1128 Comment
  RSA127836  Layia platyglossa subsp. platyglossa Peter H. Raven 1959-4-4 13972 Los Angeles Point Dume, Santa Monica Mountains. 15 Comment
  RSA368977  Lemna valdiviana Anstruther Davidson 1922-7-1 s.n. Los Angeles Playa del Rey. Comment
  RSA750231  Lepidium didymum A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37062 Los Angeles Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery 63 Comment
  CAS-BOT-BC89307  Lepidium flavum A. D. E. Elmer 1902-6-1 3653 Los Angeles Lancaster. Comment
  RSA184050  Lepidium flavum I. L. Wiggins 1966-4-15 20595 Los Angeles Swale about 2miles N of Theodroe Payne Wildflower Sactuary, NE of Pearblossom, Mojave Desert Comment
  CDA24918  Lepidium fremontii A. C. Browne 1953-5-21 Los Angeles Lancaster. 0 Comment
  RSA550033  Lepidium fremontii W. Wisura, E. Roeder 1992-4-21 4691 Los Angeles 2.3mi. W of Hwy 138 on fort Tejon Rd. Comment
  RSA678411  Lepidium lasiocarpum Mark Elvin 1996-8-8 325 Los Angeles San Clemente Island. West dunes along road to south end of dunes 9 Comment
  CATA1730  Lepidium latipes Mark L. Hoefs, Steven A. Junak 2000-4-14 3077 Los Angeles Santa Catalina Island: Hill above Empire Landing 327 Comment
  RSA651094  Lepidium nitidum Harold Lint, D. B. Dunn 1948-3-10 307 Los Angeles Bonita & Irwindale, Irwindale, Comment
  RSA640016  Lepidium nitidum var. nitidum L. C. Wheeler 1969-4-1 s.n. Los Angeles San Gabriel Mountains: 0.4 mile southwest Big Cieneja on ridge on south side Big Dalton Canyon near mouth. 640 Comment
  JEPS53732  Lepidium perfoliatum Ralph Hoffmann 1929-4-27 Los Angeles near Redman (w Mohave Desert); Mohave Desert Comment
  CATA1477  Lepidium strictum Mark L. Hoefs, Steven A. Junak 1996-4-30 2673 Los Angeles Santa Catalina Island: Area just outside of Wrigley Garden entry, Avalon Canyon 121 Comment
  UCR190934  Lepidium virginicum R. G. Swinney 1998-8-6 6696 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, at cliff seep c. 100 m below Falls Gulch 1000 Comment
  RSA429657  Lepidium virginicum var. pubescens F. R. Fosberg 1930-6-26 3024 Los Angeles Lower Ballona Creek. 10 Comment
  UC311496  Lepidium virginicum var. pubescens Philip A. Munz 1925-4-23 9423 Los Angeles San Gabriel Canyon 304 Comment
  RSA95035  Lepidospartum latisquamum F. W. Peirson 1923-9-1 4017 Los Angeles Swartout Valley, at Saw Mill Canyon 1 mile E of summit at Big Pines 2011 Comment
  POM212043  Lepidospartum squamatum C. B. Wolf 1931-7-30 2298 Los Angeles 2 miles S of San Fernando, San Fernando Valley. 274 Comment
  RSA3244  Lepidospartum squamatum C. B. Wolf 1931-6-25 2238 Los Angeles Wash SW of Los Angeles Botanic Garden, along Beverly Blvd. (Mandeville Canyon). 61 Comment
  UCR210540  Leptochloa R. G. Swinney 2008-12-4 9939 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1 mi. north of Foothill Blvd. 201 Comment
  LA33409  Leptochloa fusca subsp. uninervia Peter H. Raven; Henry J. Thompson 1959-10-4 14553 Los Angeles SANTA MONICA MOUNTAINS, along Pacific Coast Hwy, just N of mouth of Santa Monica Canyon. 15 Comment
  UCR240003  Leptochloa fusca subsp. uninervia R. G. Swinney 2009-11-9 11594 Los Angeles Transverse Range; San Gabriel Mountains, confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  RSA660206  Leptodactylon caespitosum Yvonne Rasmussen, Deborah Rasmussen 1984-5-5 46 Los Angeles 2.7 miles from La Canada city limits (sign) pull off on left side of road as one is going up mountain. Comment
  UCR16660  Leptodactylon californicum subsp. californicum D. Sall 1970-5-16 s.n. Los Angeles On NE-facing slope 0.5 mi past '3000 ft' sign on Hwy 39 122 Comment
  SEINET3361194 Image available Leptodactylon californicum subsp. glandulosum Roxana S. Ferris 1941-5-9 10322 Los Angeles In chaparral, Pico Canyon, Santa Susana Mountains, about 2 miles W of US Hwy 89 Comment
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Oct 1 2014
  RSA748793  Leptodactylon pungens R. G. Swinney 2001-8-9 8014 Los Angeles Mount Williamson, second peak from east on the ridge. 2494 Comment
  RSA251451  Leptosiphon pygmaeus subsp. pygmaeus R. F. Thorne 1966-4-17 36077 Los Angeles San Clemente Island, near reservoirs between Boulder & Horton, NE side of island. 488 Comment
  UCR280519  Leptosyne bigelovii R. G. Swinney 2014-4-17 16069 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
  UC75944  Lessingia glandulifera var. glandulifera Geo. B. Grant Aug 1901 687 Los Angeles San Gabriel Mountains, Pasadena Comment
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Jan 2 2017
  UCSB27666  Lessingia glandulifera var. glandulifera Lavinger, S. 1975-10-8 Los Angeles On Wentworth Street 0.2 miles north from its junction with Stonehurst Avenue, San Bernardino Valley 152 Comment
  POM1323  Leymus cinereus W. R. Dudley, F. H. Lamb 1896-6-4 4304 Los Angeles Lancaster. Comment
  SBBG13555  Leymus triticoides P. H. Raven 1962-5-21 17810 Los Angeles Middle Cyn above 4 mi above ranch 274 Comment
  UCR182681  Ligustrum lucidum R. G. Swinney 1998-4-13 5953 Los Angeles San Gabriel Mtns, Marshall and Live Oak Canyon drainages, LaVerne 695 Comment
  UCR194257  Lilium humboldtii R. G. Swinney 1998-8-5 6647 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch 1235 Comment
  UC1124082  Linanthus breviculus Jerome S. Horton 1935-8-1 232 Los Angeles near Fern Canyon (Dry Lake); Cucamonga Quad. 1524 Comment
  UCR150466  Linanthus breviculus R. G. Swinney 1999-6-21 7374 Los Angeles San Gabriel Mtns., Big John Flat 1671 Comment
  UCR190369  Linanthus breviculus R. G. Swinney, Cody Clarke 2001-6-20 8004 Los Angeles San Gabriel Mtns., summit of Mt. Lewis, NW of Dawson Saddle 2560 Comment
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Feb 6 2013
  HSC17060  Linanthus californicus G. E. Anderson 1966-4-4 22 Los Angeles 2 mi. N of Topanga S side on Hwy. 27 Comment
  LA200752  Linanthus californicus Jonathan Sauer; H. N. Sauer, R. Dix, A. Dix 1969-3-21 4406 Los Angeles Comment
  LA52338  Linanthus californicus Mary Reynolds; 1937-5-20 185 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA226915  Linanthus californicus R. F. Thorne, C. W. Tilforth 1971-6-17 39966 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  RSA468445  Linanthus californicus subsp. glandulosus D. S. Krause 1939-07 s.n. Los Angeles Roadside ditch, Foothill Blvd, east of Pasadena Comment
  UCSB7323  Linanthus dianthiflorus Wedberg, H. 1957-3-24 Los Angeles Point Dume Comment
  RSA596920  Linanthus dichotomus T. S. Ross, J. Mark Porter 1995-5-4 8523 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  UC572572  Linanthus dichotomus A. D. Gifford 1935-3-25 501 Los Angeles 5.25 mi ne Sawmill Peak; Tejon Quad. 914 Comment
  RSA727340  Linanthus parryae R. G. Swinney 1998-5-16 6057 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  UCR123892  Linanthus parryae Steven R. Hill, K. Kramer 2001-4-22 33378 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
  POM65867  Linanthus parryae H. M. Hall 1902-5-1 3049 Los Angeles Vicinity of Elizabeth Lake. 915 Comment
  RSA468517  Linanthus pungens L. E. Hoffman 1927-8-13 s.n. Los Angeles Clear Creek, Angeles National Forest. Comment
  UCR184113  Linanthus pygmaeus A. C. Sanders, T. B. Salvato 2007-4-24 33479 Los Angeles Tehachapi Mountains, hills above head of Oso Canyon near Kern Co. line, along dirt gasline road (track), c. 1.25 mi. SW of National Cement Plant 1220 Comment
  RSA659853  Linum usitatissimum Orlando Mistretta, Mike Hammitt 1991-5-29 s.n. Los Angeles Monrovia Canyon. 610 Comment
  CAS-BOT-BC426257  Lithophragma affine Ernest Braunton 1902-4-13 199 Los Angeles Griffith Park Comment
  PASA904  Lithophragma affine Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  UC496532  Lithophragma affine T. Craig 1927-6-8 413 Los Angeles Bear Canyon trail to summit of Mt. San Antonio (summit of Mt. San Antonio); San Gabriel Mts., trail to summit of Mt. San Antonio Comment
  UCR143303  Lithophragma affine Reid Moran 1941-3-6 682 Los Angeles Channel Islands, Middle Ranch Canyon, Santa Catalina Island 300 Comment
  UCSB2557  Lithophragma affine Los Angeles Flume 10, San Dimas Experimental Forest, San Gabriel Mountains Comment
  CAS-BOT-BC432205  Lithophragma bolanderi G. B. Grant 1900-4-12 s.n. Los Angeles Mt. Lowe Comment
  SBBG26904  Lithophragma heterophyllum I. W. Clokey 1935-5-9 Los Angeles San Dimas Cyn 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
  CAS-BOT-BC520309  Lobelia dunnii var. serrata R. G. Swinney 2009-8-6 11509 Los Angeles Transverse Range: San Gabriel Mountains; Lodi Canyon Falls, first major waterfall up canyon from confluence with San Dimas Cyn, San Dimas Experimental Forest 475 Comment
  SBBG127006  Lobelia dunnii var. serrata A. Parikh, N. Gale 2011-7-18 3567 Los Angeles W Fork San Gabriel River, 3.9 km W of St Hwy 39; San Gabriel Mtns 537 Comment
  UCR190882  Lobelia dunnii var. serrata R. G. Swinney 1998-8-6 6722 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, granite cliff on east side c. 100 m below Fish Fork 1037 Comment
  UCR258519  Lobelia dunnii var. serrata R. G. Swinney 2010-8-9 13475 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, Camp Sturtevant 1049 Comment
  CAS-BOT-BC60187  Lobularia maritima John H. Thomas 1957-2-14 6483 Los Angeles Hills north of Eagle Rock, about 3-4 miles east of Pasadena. 304 Comment
  RSA279035  Lobularia maritima R. F. Thorne 1971-4-23 41487 Los Angeles Angeles National Forest; NE of Chantry Flats along Santa Anita Creek. 549 Comment
  HSC24919  Loeseliastrum matthewsii Regina Ferguson 1968-4-27 17 Los Angeles 10 mi. W of Pearblossom in Mojave Desert 915 Comment
  UCR94701  Logfia depressa A. C. Sanders, E. J. Lott 1993-5-6 13980 Los Angeles Western Mojave Desert, SW edge of Rosamond Dry Lake, near east end of Ave 'C,' just west of Piute Ponds and east of Sierra Hwy, at edge of Edwards AFB 700 Comment
  SBBG13248  Logfia filaginoides M. A. Piehl 1962-6-9 62370 Los Angeles Thirst 597 Comment
  RSA601625  Lolium perenne subsp. multiflorum L. C. Wheeler 1967-6-16 9861 Los Angeles San Gabriel Mountains : North side of Sunset Ridge under power line. 594 Comment
  RSA603273  Lolium temulentum L. C. Wheeler 1936-6-16 4160 Los Angeles Bell Canyon, San Gabriel Mts. 701 Comment
  RSA230668  Lomatium nevadense var. parishii R. F. Thorne, M. Z. Thorne 1969-7-9 38543 Los Angeles Angeles National Forest: summit of Table Mountain above Big Pines Ranger Station 2134 Comment
  SD215375  Lomatium utriculatum Louid C. Wheeler 1969-5-3 Los Angeles San Gabriel Mountains: Bluebird Truck Trail 715 Comment
  UC1971336  Lomatium utriculatum Louis C. Wheeler 1969-5-4 Los Angeles SAN GABRIEL MOUNTAINS: Placerita Canyon. Comment
  UCD127811  Lomatium utriculatum Lisa J. Seemann 1993-4-28 s.n. Los Angeles Lake Hughes area. 14580 Sandrock and surrounding lots. Cross street Ranchclub Drive approximately 5 feet up hill on south side of road. 1066 Comment
  UC662465  Lonicera confusa Katherine D. Jones 1941-8-18 Los Angeles Evans and Reeves, Beverley Hills Nursery, California. Comment
  UC102329  Lonicera hispidula var. vacillans J. W. Toumey 1894-9-10 Los Angeles Catalina Island Comment
  RSA455163  Lonicera interrupta Martha Hilend 1928-5-27 327 Los Angeles 8 miles west of Elizabeth Lake. Comment
  SBBG112917  Lonicera subspicata S. A. Junak 1998-10-21 SCa 812 Los Angeles W side of cyn between White's Landing and Moonstone Beach 30 Comment
  POM199700  Lonicera subspicata var. denudata I. W. Clokey 1929-06 4554 Los Angeles Mandeville Canyon, Santa Monica Moutains. 300 Comment
  RSA0017011  Lonicera subspicata var. denudata Mark Hoefs 1973-6-4 312 Los Angeles Santa Catalina Island: by road on SE side of Wrigley Memorial; upper Avalon Canyon. 122 Comment
  RSA697963  Lotus argophyllus J. Vlahos 1935-6-27 s.n. Los Angeles Santa Catalina Island, Isthmus. Comment
  RSA703180  Lotus crassifolius var. crassifolius Scott D. White 2004-8-11 10712 Los Angeles San Gabriel Mountains: About 8 air miles west - northwest of Wrightwood. East of Fenner Saddle Rd. on Pacific Crest Trail. 2073 Comment
  RSA561596  Lotus crassifolius var. crassifolius Steve Boyd 1993-5-24 8165 Los Angeles Ridgeline SE of saddle leading to May Peak 1097 Comment
  SEINET957344  Lotus davidsonii Wesley O. Griesel 1961-1 Los Angeles State Hwy. 2 near White Thorn Picnic Area San Gabriel Mts. 2286 Comment
  RSA182992  Lotus dendroideus var. dendroideus S. Carlquist, Robert F. Thorne 1966-4-28 1824 Los Angeles Santa Catalina Island. Lower portions of road from Pebbly Beach to Renton Mine Comment
  RSA515121  Lotus dendroideus var. traskiae Aaron Liston, Orlando Mistretta, Loren Rieseberg 1989-4-29 799 -1 Los Angeles San Clemente Island: Wilson Cove Canyon; Tufa cut curve, marine terrace Comment
  JEPS55448  Lotus grandiflorus var. grandiflorus A. M. Ottley 1920-5-14 683 Los Angeles trail to La<?>ken's Pk. San Gabriel Mts. Comment
  RSA612083  Lotus hamatus Valerie L. Soza 1998-4-26 72 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, SW of pHake Lake. [Coordinates given are] at center of BFS. 411 Comment
  RSA161073A  Lotus hamatus P. H. Raven 1962-5-21 17798 Los Angeles Santa Catalina Island. Road from Middle Ranch to Bullrush Canyon. 244 Comment
  RSA188915  Lotus hamatus R. F. Thorne 1966-4-6 35914 -a Los Angeles Santa Catalina Island. Old quarry W of Empire Landing. 91 Comment
  RSA586283  Lotus humistratus Orlando Mistretta 1995-3-14 1536 Los Angeles Little Rock Creek Management Unit; Emma section of Little Rock Creek Management Unit. 1128 Comment
  POM11494  Lotus nevadensis var. davidsonii P. A. Munz 1921-6-18 4591 Los Angeles Saw Mill, Swartout Valley. 2073 Comment
  RSA230741  Lotus nevadensis var. davidsonii R. F. Thorne 1969-7-9 38568 Los Angeles San Gabriel Mountains, meadow at Big Pines 2073 Comment
  UC216127  Lotus nevadensis var. davidsonii I. M. Johnston 1917-7-4 1423 Los Angeles s slope Baldy; San Antonio Mountains 1981 Comment
  PASA1100  Lotus oblongifolius Margaret Stason 1931-6-13 Los Angeles Chilao, San Gabriel Mts. Comment
  UCR189891  Lotus oblongifolius R. G. Swinney 1998-7-14 6434 Los Angeles San Gabriel Mtns., SW of Wrightwood, 7.1 miles SE of Hwy 2 and 3N06 junction at 3N39, stream crossing road in a tributary canyon of Prairie Fork 2171 Comment
  RSA550431  Lotus oblongifolius var. oblongifolius T. S. Ross 1992-7-10 6650 Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater Canyon & Wickiup Canyon. 967 Comment
  LA83627  Lotus oblongifolius var. oblongifolius O. H. Kappler; 1944-7-4 652 Los Angeles San Gabriel Mountains, Pacoima Creek Comment
  UC15671  Lotus oblongifolius var. oblongifolius H. M. Hall Aug 1896 285 Los Angeles San Antonio Mountains Comment
  JEPS55751  Lotus procumbens var. procumbens H. M. Hall 1905-6-16 6264 Los Angeles Tejon Pass 1188 Comment
  UCR124586  Lotus salsuginosus B. C. Templeton, I. W. Clokey 1930-4-8 1044 Los Angeles San Gabriel Mtns, San Francisquito Canyon 900 Comment
  UCR154616  Lotus salsuginosus A. C. Sanders, T. B. Salvato 2005-4-26 29758 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita, south of Plum Canyon at end of Canyon Crest Dr., NW of mouth of Mint Canyon 488 Comment
  IRVC28578  Lotus scoparius A. C. Sanders, Mark Elvin 2002-6-19 25156 Los Angeles Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River NE end of Santa Susana Mtns. 305 Comment
  UC527635  Lotus scoparius C. B. Wolf 1931-7-2 Los Angeles 0.5 mi above the bridge on the road from Sunland to San Fernando; Little Tujunga Wash 335 Comment
  UC57392  Lotus scoparius J. H. Barber 1898-3-7 374 Los Angeles Santa Monica Comment
  POM1869  Lotus scoparius Crawford, Hyatt 1916-3-28 s.n. Los Angeles Santa Monica Mountains. 305 Comment
  RSA647855  Lotus scoparius var. scoparius LeRoy Gross, Laura Moore 2000-6-5 202 Los Angeles Verdugo Mountains: Canyon east of Brand Canyon by the Brand Lateral Trail, out of Brand Park, north of corners of Grandview & Mountain, Glendale. 274 Comment
  RSA724525  Lotus scoparius var. scoparius K. Dobry 1991-6-24 d- 737 Los Angeles At Soka Univ. Santa Monica Mts. Las Virgenes and Mulholland Hwy. Comment
  UC1584736  Lotus scoparius var. scoparius Tim Ross and Annette Ross 1991-6-3 5515 Los Angeles near s base of Elephant Hill (w Pomona); Pomona, Elephant Hill 249 Comment
  UCR13749  Lotus scoparius var. scoparius L. B. Ware 1971-6-10 103 Los Angeles W of Saint Bernard High School, Playa del Rey 37 Comment
  UCR187122  Lotus strigosus A. C. Sanders 2006-4-10 31982 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1006 Comment
  UCR188656  Lotus strigosus R. G. Swinney 1990-3-23 1539 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora 366 Comment
  UC864921  Lotus strigosus I. W. Clokey and B. C. Templeton 1930-4-8 4663 Los Angeles n of Elizabeth Lake Comment
  CATA332  Lotus unifoliolatus Mark L. Hoefs 1973-7-13 370 Los Angeles Santa Catalina Island: Middle Ranch Canyon, just above reservoir, by main road 236 Comment
  RSA0091528  Lotus unifoliolatus R. G. Swinney 2010-6-29 13392 Los Angeles Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center 305 Comment
  RSA652447  Lotus unifoliolatus A. E. Hersh 1950-8-3 s.n. Los Angeles UCLA campus. curbstone Hilgard Ave. before Botanic Garden entrance 60 Comment
  CAS-BOT-BC201204  Lupinus C. B. Clokey; I. W. Clokey; B. C. Templeton 1930-5-13 4746 Los Angeles Boquet [Bouquet] Canyon Comment
  SEINET10488427  Lupinus albifrons David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 years old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by d.b.dunn. Rsa # 6450 x 8292(1) Comment
  CAS-BOT-BC201412  Lupinus albifrons var. albifrons L. R. Abrams 1941-4-18 13867 Los Angeles State Highway 138 one mile east of junction with U.S. Highway 99 Comment
  RSA639110  Lupinus andersonii L. C. Wheeler 1970-7-25 s.n. Los Angeles San Gabriel Mountains: Heliport 0.3 mi. N of South Mt. Hawkins 2287 Comment
  SEINET10488493  Lupinus arboreus 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 6846 x Comment
  RSA641294  Lupinus arbustus Orlando Mistretta, R. T. Hawke 1995-6-29 1857 Los Angeles San Gabriel Mountains: Blue Ridge Trail; south side of trail., Near 34 21 675 N 117 41 451 W. 2255 Comment
  UC1401265  Lupinus bicolor D. Dunn 1946-4-19 2120 Los Angeles along the Newhall to Palmdale Hwy 6 near Acton; arid valley approaching the Mojave 609 Comment
  HSC14794  Lupinus bicolor C. S. Apperson 1966-5-2 Los Angeles 9 mi. from Sierra Hwy. W on Ave. D Comment
  POM350042  Lupinus bicolor subsp. microphyllus E. A. Purer, Freda Detmers 1931-3-19 s.n. Los Angeles Los Angeles; along Manchester Ave near Vermont Comment
  RSA652735  Lupinus bicolor var. microphyllus Harold Lint, D. B. Dunn 1948-3-10 s.n. Los Angeles Bonita & Irwindale, Irwindale, Comment
  OBI43744  Lupinus chamissonis A. C. Sanders 1986-7-30 6831 Los Angeles El Segundo dunes, immediately W of L.A. International airport and Pershing Dr, E of Vista Del Mar Blvd 30 Comment
  POM276468  Lupinus chamissonis Arthur L. Cohen 1934-8-2 517 Los Angeles Ocean Park. Comment
  RSA407122  Lupinus chamissonis Ora M. Clark 1928-12-23 1376 Los Angeles Venice Comment
  RSA779260  Lupinus concinnus Pam De Vries 2011-5-4 7761 Los Angeles Western Transverse Range, southwest portion of the Liebre Mountains; about 1 air mile WNW of the intersection of Avenida Rancho Tesoro and Tesoro del Valley Dr. (Santa Clarita) 502 Comment
  POM47143  Lupinus excubitus var. hallii I. M. Johnston 1924-8-13 2600 Los Angeles Sunset trail, 1 mi. S of Sunset Peak 1584 Comment
  SD84864  Lupinus excubitus var. hallii Reid Moran 1941-3-13 704 Los Angeles Channel Islands, Santa Catalina Island, mouth of Hermit Gulch by creek 49 Comment
  SEINET10485309  Lupinus excubitus var. hallii David B. Dunn 1956-1 Dunn RSA# 6454 x 7325(3) Los Angeles Plants 2 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. The numbers are the field plant Numbers of rsa. 1St # is female parent x 2nd # male parent () parenthetic # is F1 plant no. Seeds from open field pollen vector. Comment
  SEINET10937088  Lupinus excubitus var. hallii David B. Dunn 1956-1 Dunn RSA 6226 x 6453(2) Los Angeles Plants 2 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Pressed by howard brown. Hybridization by david b. Dunn. The numbers Are the field plant numbers of rsa. 1St # is female parent x 2nd # male Parent. () Parenthetic # is f1 plant number. Seeds from open field pollen Vector. Comment
  UCR178370  Lupinus formosus LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 699 Los Angeles Transverse Range, Verdugo Mountains, South side, along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway 695 Comment
  RSA600020  Lupinus formosus var. formosus Steve Boyd, Lauren Raz 1997-5-29 9933 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 1098 Comment
  RSA659913  Lupinus formosus var. formosus Orlando Mistretta 1991-7-20 s.n. Los Angeles Prairie Fork. 1829 Comment
  RSA582912  Lupinus guadalupensis Mark Elvin, Gery Allan, T. S. Ross 1995-5-21 19 Los Angeles San Clemente Island: west side of island; at confluence of three fingers of upper Chenetti Canyon. Comment
  UCR261342  Lupinus hirsutissimus R. G. Swinney 2010-4-1 12164 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
  RSA414781  Lupinus longifolius Ella M. Kennedy 1923-2-26 s.n. Los Angeles S. Pasadena Comment
  SFV12389  Lupinus longifolius D. L. Koutnik 1978-6-3 520 Los Angeles Santa Monica Mountains Dry Canyon - Cold Creek Road between Mulholland Highway and Old Topanga Canyon Road. 305 Comment
  SFV1890  Lupinus longifolius H. L. Bauer 1941-4-21 680 Los Angeles Playa del Rey. 30 Comment
  UCR23931  Lupinus microcarpus John C. Roos 1942-6-6 1063 Los Angeles Western Transverse Range, Placerita Canyon near Newhall 610 Comment
  RSA87052  Lupinus microcarpus var. microcarpus F. W. Peirson 1919-6-15 489 Los Angeles Rock Creek 1250 Comment
  RSA0003463  Lupinus mollisifolius Theodore Payne 1918-06 3310 Los Angeles Sierra Madre. Comment
  UCR259763  Lupinus sparsiflorus R. G. Swinney 2010-4-20 12295 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  SBBG67070  Lupinus succulentus R. Hoffmann 1925-5-5 Los Angeles Mint Cyn Comment
  SDSU5018  Lupinus succulentus Gerald Collier 1951-5-10 3672 Los Angeles Edge of parking lot 20 yards from Hilgard north of Law building among grass. Comment
  SEINET10837880  Lupinus succulentus David B. Dunn 1946-1 Dunn 2012 Los Angeles Collected in Los Angeles. Comment
  LA33932  Lupinus truncatus Henry J. Thompson; 1959-5-24 2015 Los Angeles Comment
  UC625020  Lupinus truncatus F. R. Fosberg 1931-3-25 S 4374 Los Angeles near top of s wall Hamilton Canyon Santa Catalina Island; , Hamilton Canyon 100 Comment
  UCD109654  Lupinus truncatus P. B. Kennedy 1928-3-28 s.n. Los Angeles Santa Catalina Island. Canyon by golf-links, Avalon. Comment
  UC416919  Lycium brevipes R. L. Pendleton 1909-7-6 1421 Los Angeles Catalina Cove Santa Catalina Island 6 Comment
  CAS-BOT-BC383073  Lycium brevipes var. hassei R. E. Riefner, Jr. 2010-4-4 10 -8 Los Angeles Palos Verdes Peninsula, Palos Verdes Estates, Bluff Cove, ca. 0.25 mi N from Paseo Del Mar along Palos Verdes Drive West 93 Comment
  SBBG31358  Lycium californicum R. F. Thorne with P. C. Everett 1965-5-11 34648 Los Angeles rd from Rancho Escondido above Cottonwood Dam in Cottonwood Cyn 106 Comment
  SBBG22305  Lycium cooperi M. A. Piehl 1963-5-18 63312 Los Angeles foothills just N of Goode Pass 914 Comment
  NY853122  Lycopersicon esculentum L. Raz 1996-10-23 054 Los Angeles Liebre Mountains, Ruby Canyon, just west of junction of Forest Service Road 6N24 with Lake Hughes Road, at confluence with Elizabeth Lake Canyon. Just west of entrance to Ruby Canyon 610 Comment
  RSA595588  Lycopersicon esculentum Lauren Raz, Steve D. Boyd 1996-10-23 54 Los Angeles Liebre Mountains. Ruby Canyon, just west of junction of Forest Service Road 6N24 with Lake Hughes Road, at confluence with Elizabeth Lake Canyon. 610 Comment
  CHSC26516  Lyonothamnus floribundus subsp. asplenifolius James Henrickson 1971-6-20 5590 Los Angeles Cultivated at Rancho Santa Ana Botanic Garden in Claremont. Comment
  CAS-BOT-BC142278  Lyonothamnus floribundus subsp. floribundus James R. Shevock 1975-3-23 4050 Los Angeles About 1/4 mile northeast of Black Jack Campground towards Whites Cove - Santa Catalina Island 365 Comment
  UC1204713  Lyonothamnus floribundus subsp. floribundus Huron H. Smith 1912-7-4 5174 Los Angeles Swains Canyon St. Catalina Isl. 365 Comment
  CHSC95446  Lythrum californicum LeRoy Gross; Wayne Law 2000-8-8 177 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-BC344381  Madia exigua L. R. Abrams 1901-6-1 1712 Los Angeles Las Tunus Canon [La Tuna Canyon], S. Monica Mts. Comment
  LA103224  Madia gracilis Barry A. Prigge; 1985-6-14 6399 Los Angeles SANTA MONICA MOUNTAINS, Cold Creek Canyon, along trail from upper gate of Cold Creek Preserve to Murphy Ranch site. 658 Comment
  RSA591993  Madia gracilis Mark Hoefs 1974-4-30 4343 Los Angeles Santa Catalina Island: by trail in Hermit's Gulch. 91 Comment
  RSA604007  Mahonia dictyota L. C. Wheeler 1936-4-5 4084 Los Angeles San Dimas Canyon, San Gabriel Mts. 701 Comment
  CAS-BOT-BC230897  Malacothamnus davidsonii C. B. Wolf 1931-7-2 2264 Los Angeles Little Tujunga Wash, 1/2 mi. above the bridge on the road from Sunland to San Fernando 335 Comment
  CHSC21759  Malacothamnus davidsonii Robert A. Schlising 1973-8-13 3115 Los Angeles Lopez Canyon, N of Pacoima in San Gabriel Mts. Comment
  JEPS67382  Malacothamnus davidsonii Joseph Andorfer Ewan and Nesta Ewan 1936-8-5 9938 Los Angeles San Gabriel Mts, Mescal Creek 1463 Comment
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Aug 30 2021
  UCR282335  Malacothamnus davidsonii D. E. Bramlet, Robt. L. Allen 2011-4-20 4802 Los Angeles San Gabriel Mountains, Big Tujunga Wash, 223 ft. west of Big Tujunga Canyon Rd. and 95 ft. north of Oro Vista Ave. 398 Comment
  RSA177811  Malacothamnus fasciculatus Robert F. Thorne, P. Everett 1965-5-10 34473 Los Angeles Near Catalina Airstrip, Santa Catalina Island. 457 Comment
  RSA433296  Malacothamnus fasciculatus Blanche Trask 190 Los Angeles Avalon, Santa Catalina Island. Comment
  SEINET11984109  Malacothamnus fasciculatus D. P. Reagan 1974-1 25 Los Angeles 2 mi W of Gorman Comment
  CAS-BOT-BC206354  Malacothamnus fremontii Tim Ross; Steve Boyd 1992-7-5 6626 Los Angeles Mesic draw draining E from the saddle between the Red Mtn. summit area and teh 3704 - foot knoll to the SE of it, Warm Springs Mountain 7.5' USGS quadrangle, Red Mountain - Liebre Mountains 1036 Comment
  CAS-BOT-BC345406  Malacothrix clevelandii Steve Boyd; Tim Ross 1988-4-28 2253 Los Angeles West end of San Gabriel Mtns, Sand Canyon E of Saugus. Angeles National Forest 792 Comment
  POM175363  Malacothrix clevelandii E. Crow 1930-6-29 s.n. Los Angeles above camp Coldbrook Comment
  SBBG66082  Malacothrix coulteri R. Hoffmann 1929-4-28 Los Angeles Harold Comment
  SD249151  Malacothrix foliosa subsp. foliosa Mixhael G. Simpson, Adrienne Russell, Jonathan Dunn 2000-7-20 2193 Los Angeles San Clemente Island. Northern tip of island, west of Northwest Harbor, ca. 100 feet from intertidal zone. 3 Comment
  SD91996  Malacothrix foliosa subsp. foliosa Reid Moran, R. M. Beauchamp and T. Oberbauer 1975-8-24 B 22699 Los Angeles San Clemente Island, China Canyon. 74 Comment
  POM49238  Malacothrix glabrata A. D. E. Elmer 1902-06 3986 Los Angeles Lancaster. Comment
  UCR280886  Malacothrix glabrata R. G. Swinney 2014-4-30 16262 Los Angeles San Gabriel Mountains, 3.8-4.0 miles south of Hwy. 138, c. 100 meters west of Largo Vista Road toward ridge 1387 Comment
  RSA176245  Malacothrix glabrata R. F. Thorne 1963-5-15 31675 Los Angeles San Gabriel Mountains region: 1 mile W of Los Angeles Co. line on Route 138, ca. 2 miles W of Desert Springs. 1220 Comment
  UCR217139  Malacothrix saxatilis Jonas A. Winbolt, Rocky Brown 2010-8-20 006 Los Angeles Western Transverse Range, south of Santa Clarita, north side of Hwy I-5 and the Old Road, southeast of trailer park along powerline corridor 956 Comment
  CAS-BOT-BC347909  Malacothrix saxatilis var. tenuifolia C. B. Wolf 1931-5-13 2003 Los Angeles Pacoima Wash, near the bridge on the rd. from Tujunga to San Fernando 365 Comment
  CAS-BOT-BC347933  Malacothrix saxatilis var. tenuifolia I. Johnston 1910-6-10 1311 Los Angeles Playa del Rey Comment
  CAS-BOT-BC347944  Malacothrix saxatilis var. tenuifolia John Thomas Howell 1948-7-2 24769 Los Angeles Palos Verdes Hills Comment
  UC831162  Malacothrix saxatilis var. tenuifolia L. W. Nuttall 271 Los Angeles Santa Catalina Island Comment
  LA91426  Malosma laurina Bruce Douglas Clayton; Greg Shaw 1972-3-30 26 Los Angeles SANTA MONICA MOUNTAINS, Mountain Park Research Campus, at end of Drawbridge firebreak. 618 Comment
  UCR274348  Malosma laurina Steven A. Junak 1999-7-15 SCa- 1022 Los Angeles California Islands, Santa Catalina Island. Just above SaltaVerde Beach 6 Comment
  RSA587279  Malus sylvestris Tim S. Ross, Steve D. Boyd 1990-5-17 2575 Los Angeles Little Gleason Forestry Plantation: north of Mt Gleason Road about the east headwaters of Gleason Canyon and about 2 (air) miles E of Mt Gleason summit. 1682 Comment
  CATA3020  Malva parviflora Amy Catalano 2016-3-2 026 Los Angeles Santa Catalina Island: Under Johnson Tree on Middle Ranch Road 251 Comment
  LA200654  Malva parviflora Harlan Lewis; 1940-2-24 1079 Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  UCSB47297  Malva parviflora Kaplan, Lisa 1979-3-10 Los Angeles Crest Rd., 1 mile north of Ganado Dr. Rancho Palos Verdes 335 Comment
  UCR265529  Malva pseudolavatera Dan S. Cooper 2015-5-13 515- 49 Los Angeles Los Angeles Basin; Coastal Plain, Willow Springs oil field, Long Beach, west of Signal Hill, NW of intersection of Orange Ave. & Willow St. 30 Comment
  RSA526591  Malvella leprosa Tim S. Ross 1991-3-24 4288 Los Angeles Whittier Hills (Puente Hills, pro parte). 299 Comment
  SD51876  Malvella leprosa Pater H. Raven 1962-7-10 17956 Los Angeles San Clemente Island, North of a point due west of Wall 2 Comment
  SEINET3133676  Malvella leprosa Unknown 3681 Los Angeles Gardena Comment
  SBBG54242  Marah macrocarpa F. C. Boutin 1967-4-23 1640 Los Angeles Nanny, NW of Lemon Tank 213 Comment
  UC519985  Marah macrocarpa Louis C. Wheeler 1932-4-9 570 Los Angeles 4 mi w Fairmont; Mohave Desert 914 Comment
  UCR174493  Marah macrocarpa Wayne Law, Jun Hu 2000-4-30 02 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. 823 Comment
  SBBG31367  Marrubium vulgare R. F. Thorne with P. C. Everett 1965-5-10 34428 Los Angeles Cape Cyn 274 Comment
  CATA975  Marrubium vulgare Mark L. Hoefs 1994-5-21 1844 Los Angeles Santa Catalina Island: Southeast end of Renton Mine Road 262 Comment
  SBBG19193  Marrubium vulgare M. A. Piehl 1963-12-8 63080 a Los Angeles mouth of Cave Cyn 1 Comment
  SEINET10498120  Marrubium vulgare David B. Dunn 1947-4-16 Dunn 2934 Los Angeles 2 mi w and 1 mi n of palmdale; mohave desert Comment
  CAS-BOT-BC348118  Matricaria discoidea Geo. B. Grant 1902-5-1 752 Los Angeles Unspecified 609 Comment
  JEPS51534  Meconella denticulata Frank W. Peirson 1918-5-19 36 Los Angeles Millards Canyon San Gabriel Mtns 609 Comment
  RSA547799  Medicago lupulina T. S. Ross, Peter Fritsch 1990-6-20 3603 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
  CATA1135  Medicago polymorpha Mark L. Hoefs 1995-5-23 2125 Los Angeles Santa Catalina Island: Middle Canyon at Thompson Reservoir 195 Comment
  RSA596807  Medicago polymorpha T. S. Ross, J. Mark Porter 1995-5-4 8478 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  SFV1922  Medicago polymorpha K. A. Wilson 1961-3-14 1024 Los Angeles Santa Monica Mountains Mulholland Highway, 0.5 miles west of Seminole Hot Springs. Small valley with running stream. 290 Comment
  UCR162587  Medicago sativa Anuja Parikh, Nathan Gale 2004-6-22 2070 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 13), near the Ventura County line, downstream of Mayo Spur 305 Comment
  CAS-BOT-BC281508  Melica imperfecta Timothy S. Ross; J. Mark Porter 1995-5-4 8454 Los Angeles Liebre Mts. Texas Canyon: ca 1.9 miles NE of Bouquet Canyon Rd 585 Comment
  CAS-BOT-BC281512  Melica imperfecta Timothy S. Ross; Steve Boyd 1991-4-25 4600 Los Angeles San Gabriel Mts: lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at ca 1540 ft elev) 557 Comment
  POM158020  Melica imperfecta M. B. Dunkle 1928-3-31 1791 Los Angeles Cottonwood Canyon, Santa Catalina Island. Comment
  UC284728  Melica imperfecta P. A. Munz 1923-4-8 6621 Los Angeles w side San Clemente Island Comment
  UCD87788  Melica imperfecta W. Biehler 1951-4-27 s.n. Los Angeles Elizabeth Lake area. Comment
  UCR193722  Melica imperfecta R. G. Swinney, Dave Larson 1999-5-29 7225 Los Angeles San Gabriel Mtns., San Dimas Canyon, at waterfall in main fork c. 600 m north of confluence with East Fork 610 Comment
  CAS-BOT-BC281098  Melica stricta Robert F. Thorne; C. W. Tilforth; John Dourley 1969-7-29 38907 Los Angeles San Gabriel Mts. Angeles National Forest; Canyon above Angeles Crest highway, ca 1 mile W of Vincent Gap, on one of headwaters of E fork Big Rock Creek N face Mt Baden Powell 2331 Comment
  RSA0062629  Melilotus albus R. G. Swinney 2010-6-8 13200 Los Angeles 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. 546 Comment
  RSA595027  Melilotus albus Steve Boyd, Lauren Raz 1996-10-8 8990 Los Angeles Liebre Mountains region, Bouquet Canyon ca. 1.7 miles south of junction with Forest Service Road 6N08. 561 Comment
  UC1595448  Melilotus albus Tim Ross 1992-7-10 6664 Los Angeles between Coldwater Canyon and Wickiup Canyon; San Gabriel Mountains, Big Tujunga Creek 967 Comment
  POM265685  Melilotus albus J. C. Roos 1942-9-26 1729 Los Angeles Westwood Village, Los Angeles. Comment
  RSA3487  Melilotus indicus Carl B. Wolf 1932-5-9 3430 Los Angeles Santa Catalina Island, 0.5 mile from Avalon on road to Pebbly Beach. 8 Comment
  RSA596013  Melilotus indicus T. S. Ross, J. Mark Porter 1995-5-4 8455 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  SD69521  Melilotus indicus Robert F. Thorne 1966-4-4 35764 Los Angeles Santa Catalina Island; bluff southeast of Ballast Point and Catalina Harbor, Isthmus. 60 Comment
  UC1211017  Melilotus indicus Huron H. Smith 1912-6-13 5101 Los Angeles Rock Spring Canyon Santa Catalina Island 60 Comment
  OBI69389  Melilotus indicus Vicki Arnold 1994-4-21 31 Los Angeles Los Angeles River adj to Lake Balboa N of Burbank Blvd on Balboa Blvd, Van Nuys Comment
  SBBG69333  Mentzelia affinis M. N. Ackley 1927-5-8 506 Los Angeles Little Rock 914 Comment
  SBBG127031  Mentzelia congesta A. Parikh, N. Gale 2011-6-10 3438 Los Angeles S of Kentucky Springs Cyn, 0.4 km W of Angeles Forest Hwy, 2 km N of Aliso Cyn Rd; San Gabriel Mtns 1305 Comment
  UC1121686  Mentzelia dispersa Jerome S. Horton 1939-6-1 547 Los Angeles Cucamonga, Fern Canyon Comment
  RSA729694  Mentzelia laevicaulis R. G. Swinney 1998-8-28 6855 Los Angeles San Gabriel Mtns.: Stoddard Canyon at Stoddard Falls 915 Comment
Read comments
Dec 10 2020
  POM17790  Mentzelia laevicaulis P. A. Munz 1923-8-31 7679 Los Angeles Ridge south of Swartout Valley, San Gabriel Mountains. 2576 Comment
  RSA776397  Mentzelia micrantha Orlando Mistretta, Christine Mistretta 2010-6-23 5343 Los Angeles W fork of the San Gabriel River; 4.3 air miles E of Red Box Gap on Angeles Crest Hwy. 848 Comment
  POM11577  Mentzelia montana P. A. Munz 1921-6-18 4585 Los Angeles Saw Mill, Swartout [Swarthout] Valley. 2073 Comment
  CAS-BOT-BC348917  Microseris douglasii subsp. douglasii Ernest C. Twisselmann 1962-4-18 6958 Los Angeles Tehachapi Mountains. Tejon Ranch: north side of Oso Canyon on the road to Mexican Mine 1005 Comment
  RSA188383  Microseris lindleyi R. F. Thorne, Percy C. Everett 1965-6-22 34898 Los Angeles Santa Catalina Island., upper end of Avalon Canyon along road. 213 Comment
  UCR125415  Microseris lindleyi A. C. Sanders, Mark Elvin 2003-3-5 25737 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
  UCR259981  Mimulus R. G. Swinney 2010-5-11 12642 Los Angeles San Gabriel Mountains, 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
  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
  UCR179279  Mimulus aurantiacus R. G. Swinney 1989-5-6 s.n. Los Angeles San Gabriel Mtns., in and Near Glendora Wilderness Park, in Big Dalton Canyon and its tributaries. Poopout Hill firebreak 488 Comment
  OBI27166  Mimulus aurantiacus var. pubescens Raymond Carruthers 1970-5-2 20 Los Angeles San Dimas Cyn San Dimas, CA Comment
  RSA442657  Mimulus aurantiacus var. pubescens Bonnie C. Templeton 1930-5-27 1401 Los Angeles Higgins Canyon, north of Beverly Hillls. 200 Comment
  UC56997  Mimulus aurantiacus var. pubescens Miss E. D. Palmer before Feb 1902 Los Angeles Los Angeles Comment
  UCR255821  Mimulus aurantiacus var. pubescens R. G. Swinney 2010-5-4 12505 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  UCR270473  Mimulus aurantiacus var. pubescens R. G. Swinney 2011-7-7 15424 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
  RSA0060192  Mimulus aurantiacus var. pubescens Robert M. Perkins 1935-5-4 72 Los Angeles Hendrick's Canyon. Comment
  POM219972  Mimulus aurantiacus var. puniceus F. R. Fosberg 1932-5-6 8121 Los Angeles Big Wash Canyon, Avalon, Santa Catalina Island. 50 Comment
  RSA3720  Mimulus aurantiacus var. puniceus Carl B. Wolf 1932-5-10 3510 Los Angeles Santa Catalina Island. Avalon Canyon, above the E almond orchard. 122 Comment
  RSA80122  Mimulus cardinalis F. W. Peirson 1924-8-23 5054 Los Angeles West Fork of San Gabriel River. 412 Comment
  SBBG105509  Mimulus floribundus F. R. Fosberg 1931-5-7 4845 Los Angeles Cottonwood Cyn, right fk 240 Comment
  UCR209534  Mimulus floribundus R. G. Swinney 2008-7-2 9129 Los Angeles San Gabriel Mtns., north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
  RSA408108  Mimulus fremontii Roy R. Snelling 1977-3-19 28 Los Angeles Mojave Desert, 2 miles S of Pearblossom. 1067 Comment
  SEINET3159651  Mimulus fremontii G. B. Grant 1904-5-7 424 a/6203 Los Angeles Glendora. Comment
  SFV9203  Mimulus fremontii S. Krause 1966-4-20 158 Los Angeles 150 feet off west side of road to Valyermo, 5.5 miles south of Highway 138. Comment
  SBBG31123  Mimulus guttatus R. F. Thorne 1966-4-29 36300 Los Angeles upper Middle Ranch Cyn 274 Comment
  UC1018205  Mimulus guttatus J. Warren 1952-5-27 Los Angeles Taipa Park 121 Comment
  RSA589102  Mimulus moschatus Orlando Mistretta, Tim S. Ross, Carolyn Neal 1994-7-1 1397 Los Angeles San Gabriel Mtns; Santiago Canyon, Sheep Camp Spring, NW of summit of Pacifico Mountain. 1921 Comment
  RSA239172  Mimulus moschatus Robert F. Thorne, M. Z. Thorne 1969-7-10 39369 Los Angeles San Gabriel Mts; Angeles National Forest; ca. 1 mile W of Wrightwood along Wrightwood-Big Pines Hwy. 1951 Comment
  RSA594563  Mimulus pilosus Louis C. Wheeler 1967-7-30 10273 Los Angeles San Gabriel Mountains. All Trail Canyon, BM 3434 near Tom Lucas campground. 1006 Comment
  RSA761146  Mimulus pilosus R. G. Swinney 2008-10-10 9567 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  UCR139918  Mimulus pilosus Scott D. White 1997-5-14 5122 Los Angeles Base of San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, SW of 210 Freeway, east of Hansen Dam and north of Wentworth Street 351 Comment
  RSA0092858  Mimulus puniceus Steven A. Junak 1997-3-28 SCa- 386 Los Angeles Santa Catalina Island: Avalon Canyon, along lower end of Hermit Gulch Trail, just uphill from creek crossing. 137 Comment
  UCR276806  Minuartia douglasii R. G. Swinney 2010-5-21 12897 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
  SBBG80285  Mirabilis californica F. C. Boutin 1967-4-23 1683 Los Angeles Lemon Tank 304 Comment
  RSA0026048  Mirabilis jalapa Phillip Robinson 1991-5-9 353 Los Angeles Sycamore Canyon 0.25 miles S of intersection of Beverly Blvd. and Workman Mill. 0.5 miles east of Workman Mill on trail into canyon. Comment
  UCR281669  Mirabilis laevis R. G. Swinney 2014-4-17 16106 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, 1.2 miles east of Cheseboro Rd., 100-400 m south of California Aqueduct 968 Comment
  CAS-BOT-BC434625  Mirabilis laevis var. crassifolia S. B. Parish 1919-4-19 19258 Los Angeles Lone Hill, near San Dimas Comment
  NY622188  Mirabilis laevis var. crassifolia Mr. Rich s.n. Los Angeles Comment
  UCR108375  Modiola caroliniana L. C. Wheeler 1970-5-31 s.n. Los Angeles Los Angeles, NW corner of W Pico Blvd. and S Figueroa St. 72 Comment
  SEINET10926304  Monanthochloe littoralis F. R. Fosberg 1931-5-20 Fosberg S 4927 Los Angeles Catalina Harbor, Santa Catalina Island. Salt marsh, upper littoral zone. 0 Comment
  RSA0028707  Monardella australis L. M. Prince 2008-9-11 516 Los Angeles Transverse Ranges. San Gabriel Mountains. Bare Mtn. Canyon, SE of Fountainhead Spring. E of Pacifico Mtn. 2080 Comment
  RSA164854  Monardella cinerea Wesley O. Griesel 1963-8-1 s.n. Los Angeles Slopes of Mt. San Antonio 2835 Comment
  CAS-BOT-BC220132  Monardella exilis Ira L. Wiggins 1966-4-24 20647 Los Angeles Along Palmdale Boulevard between 90 Street E and 150 Street E, about 15 miles E of Palmdale. Mohave [Mojave] Desert Comment
  RSA583154  Monardella exilis C. Epling 1937-6-16 s.n. Los Angeles 2.2 miles E of Hwy on Ave 1, Lancaster. Comment
  RSA771486  Monardella hypoleuca subsp. hypoleuca Mark A. Elvin, Adam Clause 2008-5-30 5972 Los Angeles Santa Ynez Canyon, c. 300 m north of Ver de La Montura Rd. Comment
  SBBG129203  Monolopia lanceolata L. Haines 1963-4-23 790 Los Angeles 0.25 mi W of jct of Old Topanga Cyn Rd and Dry Cyn, Cold Crk Rd, N slope of Santa Monica Mtns 381 Comment
  RSA0107193  Montia stenophylla L. C. Wheeler 1934-3-3 2387 Los Angeles Puddingstone Dam, San Jose Hills 305 Comment
  RSA729892  Muhlenbergia californica R. G. Swinney 1998-8-30 6860 Los Angeles South fork of Dry Lake Canyon, a western tributary of San Antonio Canyon. 985 Comment
  UCR102374  Muhlenbergia californica L. C. Wheeler 1968-7-22 s.n. Los Angeles San Gabriel Mtns, Angeles National Forest, Devil's Canyon 1189 Comment
  SBBG131965  Muhlenbergia microsperma S. A. Junak, B. Collins 1991-4-24 SCI 157 Los Angeles upper part of Eel Point grade 198 Comment
  LA10092  Muhlenbergia rigens Carl Epling; Nesta Hutchinson 1931-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA607624  Muhlenbergia rigens L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: Goldenrod Spring, Ebey Canyon. 594 Comment
  UCR209876  Muhlenbergia rigens R. G. Swinney 2008-7-13 9190 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, middle fork of Bell Canyon at debris basin 762 Comment
  SEINET6412905  Myriopteris covillei G. B. Grant, W. Wheeler 1904-5-17 6264 Los Angeles Mt. Wilson 1524 Comment
  SD90526  Myriopteris newberryi Robert F. Thorne 1973-4-11 42865 Los Angeles San Clemente Island, middle portion of Norton Canyon 274 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
  SBBG53295  Nassella cernua M. R. Benedict 1971-6-26 Los Angeles S fk of Eagle Cyn, N of Triangulation Pt "Gray" 457 Comment
  SBBG56993  Nassella cernua M. N. Ackley -Mar-1924 48 Los Angeles Eagle Rock 304 Comment
  LA9420  Nassella lepida A. M. Johnson; 1932-4-4 3924 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). Comment
  RSA605776  Nassella lepida Scott D. White 1995-4-27 2958 Los Angeles City of Malibu. Upslope from Winter Canyon, near Pepperdine University; N of Pacific Coast Highway, E of Malibu Canyon. Road, SW of Malibu Civic Center Way. 92 Comment
  RSA0112066  Nassella lepida Steven A. Junak 2000-5-6 SCa- 1286 Los Angeles Santa Catalina Island. Above Empire Landing Quarry site. 204 Comment
  RSA0024508  Nassella pulchra R. F. Thorne 1980-4-26 54145 Los Angeles Santa Catalina Island. Blackjack Camp; W slope of Blackjack Peak Comment
  CAS-BOT-BC65037  Nasturtium gambelii Dennis E. Breedlove 1904-1-1 s.n. Los Angeles Cienaga Comment
  RSA0098774  Nasturtium officinale R. G. Swinney 2011-6-1 14958 Los Angeles San Gabriel Mountains: Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy 1096 Comment
  RSA431545  Nasturtium officinale F. R. Fosberg 1930-7-3 3027 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  UCSB51704  Nasturtium officinale Bishop, Richard 1967-5-14 Los Angeles Bull Creek, 1 mi. east of intersection of Balboa and Rinaldi Streets, Town of Granada Hills Comment
  RSA591061  Navarretia fossalis J. Mark Porter, J. Travis Columbus, Gracie dos Santos 1996-6-5 10912 Los Angeles Ca. 2 mi N Solemint, just off Arline Rd., 2.0 mi from intersection with Sierra Hwy. In and around a vernal pool on shelf above Plum Canyon and Arline Rd. Pool not evident from road. 610 Comment
  SBBG109958  Navarretia hamata L. C. Wheeler 1962-5-19 8069 Los Angeles Empire Landing Station Comment
  RSA604520  Navarretia hamata subsp. leptantha Steven A. Junak 1997-3-27 612 Los Angeles San Clemente Island. N slope of little Harbor, directly above beach; ca 50m upslope. 43 Comment
  SEINET10619236  Nelumbo nucifera Heidi H. Schmidt 1999-10-14 Schmidt 3871 Los Angeles City of San Gabriel. Hawaii Supermarket: 120 East Valley Boulevard: San Gabriel, CA: 91776: (626) 307-0062 - phone. 110 Comment
  SEINET10619237  Nelumbo nucifera Heidi H. Schmidt, M. R. Weed 1999-10-12 Schmidt 3800 Los Angeles City of Santa Monica. Yaohan: 3760 Centinela Avenue: Santa Monica, CA: 90066: (310) 398-2113 - phone. 20 Comment
  LA91296  Nemacladus ramosissimus Frank W. Gould; 1944-3-26 2176 Los Angeles Palos Verdes hills near Walteria Comment
  RSA678235  Nemacladus ramosissimus Valerie L. Soza, S. D. Boyd 2002-4-10 1401 Los Angeles Del Sur Ridge, Haskell Canyon, approx. 0.5 mile south of peak '2508'. Stables Fire 2001 area. 579 Comment
  RSA596128  Nemacladus sigmoideus T. S. Ross, S. D. Boyd 1995-6-29 8658 Los Angeles Near west summit of Liebre Mountain. 1707 Comment
  UCR178885  Nemophila menziesii var. integrifolia R. G. Swinney 1989-5-20 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park, 'Water Pipe Canyon' [=Pavil Cyn] a tributary of Big Dalton Canyon 451 Comment
  RSA225716  Nemophila menziesii var. integrifolia Robert F. Thorne 1971-5-22 39775 Los Angeles San Gabriel Mountains, Angeles National Forest: Fish Canyon 274 Comment
  POM3505  Nemophila menziesii var. menziesii E. L. Brown s.n. Los Angeles Hillsides, Pasadena Comment
  UCR271730  Nemophila menziesii var. menziesii R. G. Swinney 2011-3-26 14203 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  RSA0103429  Nicotiana attenuata R. G. Swinney 2011-7-7 15417 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  CDA5791  Nicotiana glauca T. S. Ross, Walter Appleby 1993-5-19 7179 Los Angeles Transverse Ranges; San Gabriel Mts region; Western San Gabriel Mountains: long SSE-trending ridge S of Wilson Canyon Saddle. Comment
  JEPS68693  Nicotiana glauca Annie M. Alexander and Louise Kellogg 1939-6-26 851 Los Angeles Mint Canyon Comment
  RSA0062514  Nicotiana glauca R. G. Swinney 2010-4-20 12312 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  RSA426785  Nicotiana glauca L. E. Hoffman 1929-6-10 s.n. Los Angeles Arroyo Seco, below Strawberry Peak. Comment
  RSA450808  Nicotiana glauca A. C. Sanders 1987-12-4 7582 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport and Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  SBBG30340  Nicotiana glauca R. N. Philbrick 1968-2-23 B 68 -4 Los Angeles Little Fisherman Cove Comment
  UCR167537  Nicotiana quadrivalvis Scott D. White, J. Wood 2005-9-22 11226 Los Angeles Liebre Mtns, Tapia Canyon: c. 2 air mi east of the Interstate 5/Old Ridge Rt. junction 457 Comment
  SEINET10696859  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3940 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  RSA69488  Nitrophila occidentalis E. L. Paddock 1951-8-1 s.n. Los Angeles Coyote Creek Wash, toward Norwalk. Comment
  CAS-BOT-BC508625  Nothoscordum gracile Scott D. White 1996-4-13 3929 Los Angeles Geneva Ave., north of San Jose, south of Arrow Hwy.; west of Indian Hill, east of Towne, USGS Ontario quad. 323 Comment
  RSA458913  Oenanthe sarmentosa L. C. Wheeler 1933-7-7 1918 Los Angeles Lexington Wash near El Monte. 73 Comment
  RSA507553  Oenothera californica subsp. californica Louis C. Wheeler 1967-8-8 10377 Los Angeles Angeles National Forest: Loomis Ranch, Alder Creek 1311 Comment
  UC20406  Oenothera californica subsp. californica H. M. Hall 1896-8-7 296 Los Angeles Schwartout Canyon San Antonio Mountains (summit) 2042 Comment
  RSA552562  Oenothera deltoides subsp. deltoides D. Charlton 1991-4-16 4873 Los Angeles Lancaster, corner of 35 St. West, one block south of K. 701 Comment
  RSA653382  Oenothera elata subsp. hirsutissima LeRoy Gross 2000-8-25 259 Los Angeles Big Tujunga Wash/ Verdugo Mountains: Orcas Park, entered from Foothill Blvd onto Orcas Ave. Hiked west from park, heading toward Hansen Dam. 325 Comment
  UC1007150  Oenothera elata subsp. hirsutissima Philip A. Munz 1935-9-19 13996 Los Angeles Claremont Comment
  RSA746555  Oenothera rosea A. C. Sanders, T. B. Salvato 2009-5-20 36848 Los Angeles San Gabriel Valley: Rio Hondo at Rancho Lujan, between Montebello and South El Monte, E side of San Gabriel Blvd., SE of Darlington St. intersection. 61 Comment
  UCSB42121  Oenothera rosea Roos, A. 1958-6-17 Los Angeles Evans & Reeves Nursery; Brentwood; West Los Angeles Comment
  LA202407  Oenothera suffrutescens Arthur C. Gibson; 2004-9-5 2573 Los Angeles Santa Monica Mountains, Liberty Canyon, near old homesteads, ca 150 m from eucalyptus grove Comment
  UCR126714  Olea europaea A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-7 27155 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, at the old ranch headquarters (barn, corrals, etc.) in the middle of the canyon 335 Comment
  RSA487345  Opuntia littoralis Richard Noyes 1988-7-30 606 Los Angeles Claremont, adjacent to Mills Avenue east of Thompson Creek Dam. Comment
  RSA678128  Opuntia littoralis Valerie L. Soza, LeRoy Gross 2001-5-22 1241 Los Angeles Morgan Fire 2000 area, between Morgan and Wildwood Canyons, above Ferguson Motorway. 488 Comment
  SEINET11422674  Orcuttia californica A. A. Beetle 1946-1 Los Angeles Los Angeles Comment
  RSA628668  Oreonana vestita L. C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: Burkhart Trail, north side Little Rock Creek at Cooper Canyon. 1768 Comment
  RSA730394  Oreonana vestita R. G. Swinney 1998-8-27 6818 Los Angeles San Gabriel Mtns.: West Baldy Peak 3018 Comment
  HSC78682  Ornithostaphylos oppositifolia C. W. Tilforth 1976-3-10 1205 Los Angeles Garden grown from seed brought from Baja Ca. MEX, recently found as chaparral plant in San Diego Co. Comment
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Mar 2 2013
  RSA0078632  Orobanche californica subsp. feudgei F. W. Peirson 1929-7-1 8435 Los Angeles Aliso Creek, San Gabriel Mts. 1584 Comment
  LA202517  Orobanche californica subsp. grandis W. O. Griesel; 1936-6-18 sn Los Angeles 328 Comment
  RSA641378  Orobanche fasciculata Orlando Mistretta 1995-6-23 1830 Los Angeles San Gabriel Mountains: Lookout Mt. Trail. Orobanche valida survey site 1. 1829 Comment
  RSA0066513  Orobanche fasciculata Robert F. Thorne 1966-4-28 36235 Los Angeles Santa Catalina Island: Near upper end Renton Mine road in Pebbly Beach Canyon. 259 Comment
  POM145264  Orthocarpus densiflorus var. gracilis Philip A. Munz 1928-3-28 11064 Los Angeles Vacant lot; few plants with Q. purpurascens. Claremont. 366 Comment
  RSA407981  Orthocarpus purpurascens A. C. Johnston 1907-03 3461 Los Angeles Garvanza Comment
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Nov 25 2011
  UC609417  Osmorhiza berteroi Joseph Andorfer Ewan and Nesta Ewan 1936-8-14 10051 Los Angeles Lilly Spring San Gabriel Mts., Mt. Hawkins (n slope of mt.) 2438 Comment
  SD230154  Osmorhiza brachypoda Louis C. Wheeler 1968-5-31 Los Angeles San Gabriel Mountains: Devil's Canyon, just above the upper falls, below the campground, E of windy gap. Shady canyon bottom in deep leaf litter. 1006 Comment
  RSA162823  Oxalis albicans subsp. californica Olmsted 1958-3-17 60 Los Angeles Johnson's Pasture Road. With southwest drainage along Thompson Creek. 1 1/4 mile northwest of intersection Indian Hill and Baseline, northwest of Claremont. 473 Comment
  RSA64885  Oxytheca parishii var. parishii F. W. Peirson 1951-1 1782 Los Angeles Mt. Wilson, San Gabriel Mts Comment
  UCR213689  Oxytheca trilobata Justin M. Wood 2009-6-1 791 Los Angeles San Gabriel Mountains, Mill Creek Summit, roadside turnout on Angeles Forest Hwy, 0.75 NE of Mt. Gleason Rd. junction 1402 Comment
  CAS-BOT-BC520452  Packera breweri Mitch Provance 2010-5-12 0510 -56 Los Angeles Western Transverse Range/W Mojave Desert: S side of Hwy 138, c. 1.3 mi E of jct with Ridge Route (N2), and 7 mi W of Neenach Comment
  CAS-BOT-BC121173  Paeonia californica Marion L. Campbell 1921-3-28 140 Los Angeles Los Angeles Comment
  UC1922756  Panicum capillare Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1361 Los Angeles Transverse Ranges; Verdugo Mountains region; Intersection of North Beaudry Mtwy and Deer Creek. 518 Comment
  UCR178920  Parietaria hespera var. hespera R. G. Swinney 1989-5-11 s.n. Los Angeles San Gabriel Mtns., in and near Glendora Wilderness Park, in Big Dalton Canyon and its tributaries. 200 yards north of Sierra Madre Ave., east of Big Dalton Channel, east of Glendora Mtn. Road 335 Comment
  UC1280982  Parkinsonia aculeata H. E. McMinn 1934-9-22 3695 Los Angeles Whittier Comment
  UCD169674  Paspalum dilatatum Louis C. Wheeler 1945-8-16 6098 Los Angeles Near Whittier. Workman Mill Road at San Jose Creek. 144 Comment
  UCR117134  Passiflora caerulea A. C. Sanders, D. Malueg 2001-5-17 24330 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned 122 Comment
  POM368766  Pectocarya anisocarpa Ora M. Clark 1929-3-29 1819 Los Angeles East of Sandberg. Comment
  UCR186877  Pectocarya linearis A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-14 32079 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
  CHSC98052  Pectocarya linearis subsp. ferocula LeRoy Gross 2003-3-7 756 Los Angeles Transverse Ranges: Verdugo Mountains Region: Northwest side. Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane, off of Newhome Ave. in city of Sunland. 555 Comment
  LA40175  Pectocarya linearis subsp. ferocula A. M. Johnson; 1932-3-12 3849 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  UCR160799A  Pectocarya penicillata David Charlton, Robb Fishman 1989-4-3 2873 A Los Angeles Western Mojave Desert, Palmdale, corner of 10th St. and Ave 'M' to Amargosa Creek wash 770 Comment
  UCR220212  Pectocarya penicillata R. G. Swinney 2009-4-24 10472 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, just below Littlerock Creek Dam, in tributary canyon to the east 1000 Comment
  JEPS108271  Pectocarya platycarpa David Gowen 2005-5-11 305 Los Angeles HWY 138 (West Ave. D) west of Lancaster. Sandy soil at the SW corner of the intersection with 210 St. West. Comment
  UC1595471  Pectocarya recurvata Tim Ross 1992-4-4 6094 Los Angeles sw Mojave Desert, Adobe Mountain 926 Comment
  RSA0108830  Pectocarya setosa R. G. Swinney 2010-5-21 12895 Los Angeles San Gabriel Mountains: unnamed ridgetop (summit 4322 ft), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. Angeles Forest Hwy. and Mt. Emma Rd. 1299 Comment
  UCR182136  Pectocarya setosa R. G. Swinney 1998-4-14 5988 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
  RSA230217  Pedicularis semibarbata Robert F. Thorne 1969-7-2 38254 Los Angeles Angeles National Forest: near Chilao Creek, Upper Chilao Campground. 1616 Comment
  RSA739691  Pellaea andromedifolia John Dittes 2003-12-26 859 Los Angeles Western Transverse Range; north slope of Verdugo Mts. in La Tuna Cyn; ca. 3.4 air-miles north of Burbank City Hall, ca. 1.1 air-mile east by southeast of La Tuna Canyon Flood Debris Basin, ca. 2.0 air-miles south of Verdugo Hills High School. 457 Comment
  RSA187952  Pellaea andromedifolia var. andromedifolia R. F. Thorne 1966-4-28 36232 Los Angeles Santa Catalina Island: W-facing rocky bank near upper end Renton Mine road in Pebbly Beach Canyon. 259 Comment
  SFV66  Pellaea mucronata var. californica K. A. Wilson 1962-5-12 1282 Los Angeles Mojave Desert Antelope Valley. Valyermo Road, 2 miles southeast of 131st St. East in Pearblossom. 1070 Comment
  UCR204273  Pellaea mucronata var. californica T. R. Pray 1958-7-25 1101 Los Angeles Transverse Ranges; San Gabriel Mountains region, E end of San Gabriel Mountains 2439 Comment
  UC399531  Pellaea mucronata var. mucronata George B. Grant and Walter Wheeler Apr 21 1904-Apr 26 1904 920 -6194 Los Angeles Santa Catalina Isl. Comment
  RSA605905  Pennisetum clandestinum L. C. Wheeler 1968-11-9 s.n. Los Angeles San Gabriel Mountains: 0.2 miles inside mouth of San Gabriel Canyon 232 Comment
  UCR255770  Pennisetum setaceum R. G. Swinney 2010-5-4 12488 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  UCR130055  Penstemon centranthifolius George K. Helmkamp, E. A. Helmkamp 1998-5-21 4051 Los Angeles Western Mojave Desert/Transverse Range, junction of Munz Ranch Rd and Lake Elizabeth Rd., north of Lake Elizabeth 1006 Comment
  NY601171  Penstemon grinnellii O. Mistretta 1995-5-23 1722 Los Angeles San Gabriel Mountains, Bare Mountain Canyon, West side tributary drainage northeast of Pacifico Mountain 1615.4 Comment
  RSA755945  Penstemon grinnellii R. G. Swinney 2008-7-25 9307 Los Angeles Twin Peaks, east peak. 2357 Comment
  UCR270821  Penstemon grinnellii R. G. Swinney 2010-9-9 13784 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  RSA674842  Penstemon heterophyllus var. australis Scott D. White, Kent Hughes 2000-5-16 7831 Los Angeles San Gabriel Mountains: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  SBBG66597  Penstemon speciosus R. Hoffmann 1931-4-28 Los Angeles Willow Springs to Neenach, Antelope Valley Comment
  UCR178807  Penstemon spectabilis R. G. Swinney 1989-4-25 s.n. Los Angeles San Gabriel Mtns., in and near Glendora Wilderness Park, Big Dalton Canyon. Big Dalton Canyon Road at Glendora Mtn Road, NE corner 366 Comment
  SDSU10971  Penstemon spectabilis Gerald Collier 1953-6-20 Los Angeles 1/4 mile E of Muscatel Ave, 1/8 mile S Klingerman St. Rio Hondo west side, San Gabriel. Comment
  CAS-BOT-BC327975  Pentachaeta lyonii K. Nakai; D. Verity; J. Ross 1981-5-21 763 Los Angeles Santa Monica Mtns., ca 200 yds S of Carlise Rd. on Decker Canyon Rd. (Calif. Hwy 23) 304 Comment
  SD90531  Pentagramma glanduloviscida Robert F. Thorne 1973-4-11 42866 Los Angeles San Clemente Island, middle portion of Norton Canyon 274 Comment
  CHSC95511  Pentagramma triangularis subsp. triangularis LeRoy Gross; Valerie Soza 2003-5-15 908 Los Angeles Transverse Ranges; Verdugo Mountains region: Northwest side of mountains: North of La Tuna Canyon road, started at end of Elben Ave. Climbed north to ridgetop, south of McDonald Creek, then east along ridgeline, then we came back down into a small canyon at the end of Elben Place, just east of where we started. UTM Zone: 3789794N, 0376930E. 518 Comment
  RSA687404  Pentagramma triangularis subsp. triangularis G. R. Proctor 1944-02 781 Los Angeles Sepulveda Canyon Comment
  UCSB56346  Peritoma arborea Thorne, Robert 1975-9-3 Los Angeles Santa Catalina Island, near Blue Cavern Point 15 Comment
  CAS-BOT-BC355960  Perityle emoryi Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-7 4268 Los Angeles San Clemente Island. Lower half of China Cyn, S end of island, W. side Comment
  SD251678  Perityle emoryi F. R. Fosberg 1931-4-3 S 4463 Los Angeles Pebble Beach Road, Santa Catalina Island, Upper Sonoran Zone 4 Comment
  UCD99313  Persicaria hydropiperoides James Dilley 1997-4-5 s.n. Los Angeles The Sepulvida Basin in the San Fernando Valley, 1/8 mile north of the dam. Comment
  SFV2384  Petalonyx thurberi M. L. Vincent 1962-10-4 299 Los Angeles San Gabriel Mountains Pallett Creek Road, 1 mile south of Valyermo Road. 1145 Comment
  POM298635  Phacelia austromontana Lincoln Constance, F. W. Peirson 1941-6-25 2855 Los Angeles North side of Vincent Gulch 2134 Comment
  RSA427578  Phacelia brachyloba H. de Forest, H. L. Bauer 1931-7-5 s.n. Los Angeles Santa Monica Mountains Comment
  LA38560  Phacelia cicutaria var. hispida W. O. Griesel; May 1938 sn Los Angeles Santa Monica Mountains, Hollywood Hills Comment
  LA38795  Phacelia cicutaria var. hispida Henry J. Thompson; 1959-5-24 1993 Los Angeles Santa Monica Mountains, Tuna Canyon, 0.7 mi N of Coast Hwy 91 Comment
  RSA427649A  Phacelia cicutaria var. hispida George B. Grant 1904-06 s.n. Los Angeles Pasadena. Comment
  UCR125610  Phacelia cicutaria var. hispida A. C. Sanders 2003-5-22 26824 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel 171 Comment
  RSA0080431  Phacelia cicutaria var. hispida R. G. Swinney 2011-6-29 15365 Los Angeles Mill Creek, from 50 to 300 meters downstream (south) from Monte Cristo Campground. 1082 Comment
  SBBG126051  Phacelia cryptantha J. M. Wood 2010-5-10 1566 Los Angeles Little Rock Crk, downstream of Little Rock Reservoir, within 0.25 mi of the dam; San Gabriel Mtns 966 Comment
  UC107360  Phacelia davidsonii A. J. McClatchie 1896-5-25 Los Angeles Wilson's Peak Comment
  RSA0076958  Phacelia distans R. G. Swinney 2010-5-19 12822 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy., 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  UCR271065  Phacelia distans R. G. Swinney 2011-6-6 15014 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  UCR50986  Phacelia distans A. C. Sanders, B. Pitzer, J. C. Lyman 1988-4-4 7770 Los Angeles Western Mojave Desert, Lancaster, near Quartz Hill, south of Ave L at 37th St. West 747 Comment
  JEPS2406  Phacelia distans Frank W. Peirson 1919-1 311 Los Angeles Arroyo Seco San Gabriel Mountains 381 Comment
  RSA526580  Phacelia distans Tim S. Ross 1991-3-24 4291 Los Angeles Whittier Hills. 375 Comment
  RSA580947  Phacelia distans Catherine A. Mish 1995-2-25 8 Los Angeles Santa Monica Mtns, Malibu State Park 300 Comment
  SEINET7047929  Phacelia distans Steven R. Hill, Kate Kramer 2001-4-22 33380 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
  POM4487  Phacelia douglasii H. M. Hall 1902-5-1 3063 Los Angeles Vicinity of Elizabeth Lake 1067 Comment
  UC1611548  Phacelia douglasii Tim Ross, Steve Boyd, Laurel Arnseth 1991-4-30 4962 Los Angeles about 1/2 mi e Acton; Acton USGS 7.5 Quadrangle, Soledad Canyon Wash 829 Comment
  LA202610  Phacelia egena Peter H. Raven; 1960-5-21 850 Los Angeles 259 Comment
  RSA74928  Phacelia egena F. W. Peirson 1942-5-15 13463 Los Angeles Rock Creek. 1296 Comment
  UC1228878  Phacelia floribunda Peter H. Raven 1962-5-10 17728 Los Angeles Horse canyon San Clemente Island (on steep hillside near bottom, large canyon w of Thirst) 457 Comment
  LA38512  Phacelia grandiflora M. Zaitlin; 1951-5-18 sn Los Angeles Comment
  SEINET5763101  Phacelia grandiflora L. C. Wheeler 1936-6-8 4141 Los Angeles San Gabriel Mts., mouth of Bell Canyon Comment
  RSA587612  Phacelia imbricata subsp. imbricata Orlando Mistretta 1994-4-29 1137 Los Angeles San Gabriel Mountains, Santiago Canyon. 1143 Comment
  RSA230232  Phacelia longipes Robert F. Thorne 1969-7-2 38342 Los Angeles Mt. Baden Powell. at edge of parking lot for Mt. Baden Powell trail head of Vincent Gulch. 2008 Comment
  UC672394  Phacelia longipes Herbert L. Mason 1926-4-27 3030 Los Angeles Rock Creek San Gabriel Mountains Comment
  JEPS1188  Phacelia minor F. W. Peirson 1918-6-4 162 Los Angeles foothills e Rubio Canyon; San Gabriel Mountains 609 Comment
  RSA650539  Phacelia minor Marion P. Harthill 1971-5-11 173 Los Angeles San Antonio Canyon. Comment
  UC1584889  Phacelia mohavensis Tim Ross and Steve Boyd 1991-7-24 5612 Los Angeles ridge nne G.M.; Granite Mountain vicinity, Pacifico Mountain USGS 7.5' quad 1914 Comment
  LA46947  Phacelia parryi Carl Epling; 1931-5-2 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  NY83883  Phacelia polysperma L. Abrams 1908-7-2 560 Los Angeles Rock Creek, desert slope of the San Gabriel Mountains 1158.2 Comment
  RSA717378  Phacelia tanacetifolia Scott D. White, Pam DeVries 2006-5-9 11398 Los Angeles SE Tehachapi Mtns: Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  RSA0055022  Phacelia tanacetifolia Jim Shevock 1970-3-14 32 Los Angeles Claremont. 518 Comment
  HSC13738  Phacelia viscida C. S. Apperson 1967-6-15 Los Angeles 1 mi. down Canton Canyon trail off the end of Townsend Pk. Rd. Comment
  UC820509  Phalaris minor L. W. Nuttall 1920-5-16 224 Los Angeles Santa Catalina Island Comment
  RSA72084  Phlox gracilis F. W. Peirson s.n. Los Angeles Devil's Gate, Arroyo Seco Comment
  SEINET10643571  Phoenix dactylifera Heidi H. Schmidt 1999-10-10 Schmidt 3916 Los Angeles City of Santa Monica. Wild Oats Community Market: 500 Wilshire Blvd.: Santa Monica, CA: 90401: (310) 395-4510 - phone. 50 Comment
  UCR200198  Pholistoma auritum Valerie Soza, LeRoy Gross, Adelina Munoz 2000-5-12 891 Los Angeles Verdugo Mountains, northeast side, Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. Canyon SW of fire road south from Engleheard Canyon to powerlines 427 Comment
  RSA248846  Pholistoma auritum Robert F. Thorne 1973-4-11 42869 Los Angeles San Clemente Island, middle portion of Norton Canyon. 274 Comment
  CAS-BOT-BC222476  Pholistoma auritum var. auritum Geo. B. Grant No date on label 6160 Los Angeles Avalon Comment
  UC2042040  Pholistoma auritum var. auritum Orlando Mistretta 1989-5-15 s. n. Los Angeles Transverse Ranges; Liebre Mountains Region: Bouquet Canyon. Comment
  RSA587078  Pholistoma membranaceum Tim S. Ross 1991-4-27 4644 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (and hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line. 1183 Comment
  RSA590063  Pholistoma membranaceum Orlando Mistretta 1994-3-30 991 Los Angeles Little Rock Creek, east of creek below Little Rock Dam 1006 Comment
  UC1871261  Pholistoma membranaceum T. S. Ross 1991-4-30 5020 Los Angeles Transverse Ranges; San Gabriel Mountains region; 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash; Acton USGS 7.5' Quadrangle; T4N R13W, N/2 NE/4 NE/4 S1; elev. 2760-2880 ft. 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
  SD66838  Pholistoma racemosum R. Mitchel Beauchamp 1967-3-17 252 Los Angeles San Clemente Island. East of Date 2, sprawling over grass and rocks. Comment
  UCSB1318  Phoradendron leucarpum subsp. macrophyllum B., K. 1944-2-5 Los Angeles Camp 10 road, below last road gage, San Dimas Experimental Forest, San 'Gabriel Comment
  SD215691  Phoradendron leucarpum subsp. tomentosum Timothy S. Ross, Steve Boyd, Orlando Mistretta & Peter W. Fritsch 1990-6-25 3848 Los Angeles Crystal Lake USGS 7.5' Quad. 1676 Comment
  POM354342  Phoradendron villosum Christopher Davidson 1967-10-7 958 Los Angeles Baldy trail from Baldy Village, ca 3-4 miles past Bear Flat. 1677 Comment
  RSA567247  Phoradendron villosum Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3857 Los Angeles Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon. 1338 Comment
  RSA597034  Phoradendron villosum Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3848 Los Angeles Vicinity of Crystal Lake 1677 Comment
  RSA0072467  Photinia arbutifolia var. macrocarpa Carl B. Wolf 1936-1-3 7692 Los Angeles Santa Catalina Island. Avalon, slopes at east side of valley. 61 Comment
  UC68814  Phyla lanceolata H. M. Hall July, 1905 6733 Los Angeles Compton Comment
  CATA1594  Phyla nodiflora Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2863 Los Angeles Santa Catalina Island: Toyon Bay 30 Comment
  RSA682973  Phyllospadix torreyi Jane Olney 1936-11 s.n. Los Angeles Point Fermin Comment
  RSA683986  Phyllospadix torreyi E. Yale Dawson 1948-11-19 5573 Los Angeles Palos Verdes Headland. Comment
  SD69723  Phyllospadix torreyi Robert F. Thorne 1966-5-31 36442 Los Angeles Santa Catalina Island; beach, on N side of Little Harbor in shallow water Comment
  RSA611496  Physalis philadelphica Louis C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  POM16373  Physalis philadelphica E. S. Spalding 1922-12-1 s.n. Los Angeles Near Glendale. Comment
  RSA574474  Pinus coulteri R. G. Swinney 1993-8-31 2623 Los Angeles Eastern San Gabriel Mountains: Horse Canyon, 1.8 mi E of Hwy 2 at FS Road 3N12 1707 Comment
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May 29 2013
  RSA169025  Pinus jeffreyi Mark Parratt 1964-2-6 601 Los Angeles Table Mountain, Table Mountain Campground area; N-facing slope 3 miles north of Big Pines Ranger Station, Angeles National Forest 2195 Comment
  SEINET5334640  Pinus lambertiana G. B. Grant, Walter Wheeler 1904-5-17 985 - 6233 Los Angeles collected at Mt. Wilson, southern California 1829 Comment
  HSC1523  Pinus monophylla C. E. Fellows 1965-11-28 184 Los Angeles Ca. 1 mi. SE of Longview Rd., on Los Angeles Co. N6, N foothills of San Gabriel Mtns. Comment
  UCR280898  Pinus monophylla R. G. Swinney 2014-5-1 16310 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, east end of Holcomb Ridge, 2.2 road miles east of jct. of Bob's Gap Rd. and Panorama Rd., from base of ridge at Panorama Rd. to high point at 4519 ft. 1378 Comment
  CAS-BOT-BC78868  Pinus monophylla S. Parnay Mar. s.n. Los Angeles unspecified Comment
  RSA384448  Pinus ponderosa V. V. Giles 1936-7-5 s.n. Los Angeles Crystal Lake 1738 Comment
  CATA3272  Pinus radiata Ben Dion, Julia Parish 2017-1-30 004 Los Angeles Santa Catalina Island: West side of the upper campsite at Black Jack Campground 497 Comment
  RSA384310  Pinus sabiniana Ora M. Clark 1928-10-7 s.n. Los Angeles Mountain canyons, s. w. Lancaster (sic.) Comment
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Mar 28 2014
  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
  CHSC5083  Plagiobothrys Mary MacArthur 1967-6-24 68 Los Angeles .7 mi. from turn-off on Angeles Crest Hwy. to lower Chilao keeping always to right--left side of road by intermittent stream bed, Angeles National Forest. 1584 Comment
  SBBG31245  Plagiobothrys collinus var. gracilis R. F. Thorne 1966-4-5 35804 Los Angeles W slope of Black Jack Mtn 518 Comment
  UCR214458  Plagiobothrys leptocladus A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale, et al 2010-3-29 37632 Los Angeles Tehachapi Mtns. Foothills/ W Mojave Desert, ephemeral stream c. 0.7 mile ESE (103 deg. ) of Quail Lake, northeast of the intersection of the National Cement Plant Rd. and Hwy 138 1015 Comment
  RSA339635  Plagiobothrys nothofulvus R. F. Thorne, M. Z. Thorne 1980-3-23 54007 Los Angeles Johnson's Pasture, above Claremont 609 Comment
  RSA709610  Plagiobothrys nothofulvus A. C. Sanders, A. Thompson 2003-4-15 25983 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park. 305 Comment
  RSA595689  Plagiobothrys nothofulvus L. C. Wheeler 1967-5-8 9336 d Los Angeles San Gabriel Mts [Liebre Mtns]between Bouquet Junction and Bonelli Ranch. 396 Comment
  SD252361  Plantago coronopus Steven A. Junak 1999-5-20 Sca 938 Los Angeles Santa Catalina Island: on ridge between Cottonwood and Escondido Canyons, on S side of Cottonwood-Black Jack Road, ca. 0.6 mile up canyon from reservoir. 256 Comment
  UCR182744  Plantago erecta R. G. Swinney 1998-4-11 5935 Los Angeles San Gabriel Mtns, Claremont, 0.5 to 1 mi. NE of Padua Hills Restaurant, which is on Padua Dr. 793 Comment
  UCR229525  Plantago erecta Dan S. Cooper 2011-3-8 311- 37 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR274126  Plantago erecta Steven A. Junak 1999-5-20 SCa- 935 Los Angeles Channel Islands, Santa Catalina Island, ridge between Cottonwood and Escondido Canyons, on south side of Cottonwood-Black Jack Road, c. 0.6 mile up from reservoir 256 Comment
  RSA250675  Plantago erecta Robert F. Thorne 1971-3-31 41461 Los Angeles Johnson's Pasture, N on Mountain Ave., Claremont. 549 Comment
  RSA535291  Plantago erecta Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5333 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons 485 Comment
  RSA747292  Plantago indica A. C. Sanders, T. B. Salvato 2009-5-20 36854 Los Angeles San Gabriel Valley: Rio Hondo at Rancho Lujan, between Montebello and South El Monte, east side of San Gabriel Blvd., SE of Darlington St. intersection. 61 Comment
  POM259319  Plantago indica J. D. Laudermilk 1938-7-28 s.n. Los Angeles 3 miles N of Claremont. Comment
  RSA402061B  Plantago lanceolata E. S. Spalding 1923-5-17 s.n. Los Angeles Los Angeles Comment
  SBBG131746  Plantago ovata S. A. Junak 1999-4-23 SCa 854 Los Angeles S side of island, on ridge below Triangulation Point "Granite" 481 Comment
  RSA250511  Platanthera sparsiflora Robert F. Thorne, John Dourley 1967-10-10 37353 Los Angeles Angeles National Forest: 1.5 mi. E of Dawson Saddle 2332 Comment
  CAS-BOT-BC93176  Platanus racemosa Geo. B. Grant 1904-4-16 1007 Los Angeles Los Angeles. Comment
  RSA450611  Platanus racemosa A. C. Sanders 1987-12-4 7570 Los Angeles El Segundo Dunes, immediately W of Los Angeles International Airport and Pershing Dr. 30 Comment
  UC64139  Platystemon californicus H. M. Hall Jun 3 1900-Jun 6 1900 1520 Los Angeles Swarthout Canyon; San Antonio Mountains, Swarthout Canyon 1737 Comment
  LA206299  Platystemon californicus Barbara Crumly; 1953-4-18 sn Los Angeles halfway between Lancaster and Gorman, highway 136 Comment
  UC50147  Platystemon californicus J. H. Barber 1897-1 41 Los Angeles Redondo Comment
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Aug 19 2010
  RSA484178  Poa annua George B. Grant 1905-4-7 s.n. Los Angeles Pasadena. Comment
  UCR204415  Poa pratensis R. G. Swinney 2001-9-15 8175 Los Angeles San Gabriel Mountains, Little Jimmy Spring 2256 Comment
  CAS-BOT-BC237688  Poa secunda Geo. B. Grant 1905-4-4 1016 -6463 Los Angeles Pasadena Comment
  RSA585072  Poa secunda L. C. Wheeler 1932-3-26 538 Los Angeles Puddingstone Dam, San Jose Hills 274 Comment
  UCD90422  Poa secunda E. La Rue; R. Montijo 1991-4-2 91 -3 Los Angeles Palmdale. Property bounded on the N by Avenue M, on the W by 20th St. West, on the S by Avenue N, and on the E by 10th St. West; W of Hwy 14. 792 Comment
  SEINET6071779  Poa secunda Louis C. Wheeler 1967-5-23 9676 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  CAS-BOT-BC236210  Poa secunda subsp. secunda F. A. MacF. 1935-3-6 13503 Los Angeles Mulholland Drive, Santa Monica Mountains Comment
  SBBG95226  Poa secunda subsp. secunda M. B. Dunkle 1928-3-31 1782 Los Angeles Campo Blanco Comment
  UC1746153  Poaceae Annetta M. Carter, Arthur Carter 1935-9-12 978 Los Angeles Chilao (Chellea). San Gabriel Mtns. 1645 Comment
  RSA802044  Polycarpon tetraphyllum Orlando Mistretta, Kristie Haydu 2011-7-20 5964 Los Angeles Arroyo Seco Canyon area. Angeles Crest Hwy near junction with Grizzly Flat Road. 902 Comment
  UCR11363  Polycarpon tetraphyllum O. F. Clarke 1968-9-14 s.n. Los Angeles Los Angeles, 2921 S Sepulveda Blvd, near the interchange of the Santa Monica (I-10) and the San Diego (405) Fwy 39 Comment
  RSA135188  Polycarpon tetraphyllum P. H. Raven 1960-5-16 15381 Los Angeles Santa Monica Mountains. Topanga Canyon, 0.6 miles north of Coast Highway. 122 Comment
  RSA258408  Polycarpon tetraphyllum C. W. Tilforth 1972-4-14 484 Los Angeles Common in drier, sandy areas of garden. Comment
  JEPS27117  Polygala cornuta var. fishiae A. Davidson 1893-1 Los Angeles Mt. Wilson Comment
  UCR169445  Polygonum A. C. Sanders, Mark A. Elvin, Cathleen Weigand 2002-7-30 25483 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals 335 Comment
  RSA638931  Polygonum arenastrum Louis C. Wheeler 1966-10-1 8945 Los Angeles Colby Ranch. Comment
  RSA573479  Polygonum aviculare Tim S. Ross 1992-6-15 6569 Los Angeles Whittier Hills ( local name for the western extremity of the Puente Hills) grassy uplands at the head of the S fork of Sycamore Canyon. 354 Comment
  POM50451  Polygonum hydropiperoides L. R. Abrams 1901-08 2187 Los Angeles Ballona Creek. Comment
  RSA608230  Polygonum lapathifolium Louis C. Wheeler 1946-9-2 6334 Los Angeles San Gabriel Mountains: West Fork San Gabriel River. 518 Comment
  RSA689880  Polypodium californicum Reid V. Moran 1941-2-2 598 Los Angeles Johnson s Valley, Santa Catalina Island. 20 Comment
  RSA689891  Polypodium californicum M. B. Dunkle 1929-1-26 2044 Los Angeles Fern Canyon, Santa Catalina Island. Comment
  UC284223  Polypodium californicum P. A. Munz 1923-4-9 6653 Los Angeles Wilson's Cove; San Clemente Isl. Comment
  UC535316  Polypodium californicum Ira W. Clokey, B. Templeton May 1929 4483 Los Angeles Mandeville Canyon; Santa Monica Mts. 300 Comment
  CAS-BOT-BC71893  Polypodium californicum Marcus E. Jones 1926-3-13 s.n. Los Angeles Santa Ana Canyon Comment
  UC557637  Polypodium californicum Nell Murbarger March, 1936 31 Los Angeles from e to w side of isl. San Clemente Isl. Comment
  UCSB62307  Polypodium californicum Kiefer, Lawrence 1966-10-11 Los Angeles San Gabriel Mtns., Placerita Canyon Station Peak, Placerita Canyon, ca. 1/2mi E of peak center 457 Comment
  UCSB62385  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canon, San Dimas Comment
  UCSB62409  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canyon Comment
  CATA550  Polypogon interruptus Mark L. Hoefs, Robert F. Thorne 1975-8-7 814 Los Angeles Santa Catalina Island: By reservoir at Middle Ranch 213 Comment
  SEINET3245928  Polypogon interruptus R. G. Swinney 2005-1 8386 Los Angeles San Gabriel Mtns.: Big Rock Creek at Paradise Springs. 1439 Comment
  UC729759  Polypogon interruptus Carl B. Wolf 1932-5-12 3609 Los Angeles Middle Ranch Canyon Santa Catalina Island (near bridge on Lower Road to Isthmus); , Middle Ranch Canyon 30 Comment
  SBBG59496  Polypogon viridis M. N. Ackley -Mar-1928 18 Los Angeles Eagle Rock 304 Comment
  RSA693289  Polystichum imbricans subsp. imbricans L. E. Hoffman 1930-5-12 s.n. Los Angeles Millard's Canyon. Angeles National Forest. Comment
  RSA0110552  Populus balsamifera subsp. trichocarpa Steven A. Junak, Keri Kirkland 1998-7-17 SCa- 771 Los Angeles Santa Catalina Island: Lower portion of Silver Canyon, ca 0.5 air miles inland from beach. 36 Comment
  RSA0080766  Populus fremontii R. G. Swinney 2010-5-12 12735 Los Angeles Barrell Springs Road at jct. with 42nd St. East, on SW side of road from 30 to 150 meters west of 42nd, NE side of Palmdale Ditch, San Andreas Rift Zone. 921 Comment
  LA33813  Populus fremontii subsp. fremontii Peter H. Raven; Henry J. Thompson 1959-10-14 14639 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, E-end 220 Comment
  RSA570203  Populus fremontii subsp. fremontii Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4998 Los Angeles Soledad Canyon Wash: about half mile E of Acton. 829 Comment
  CATA2057  Populus trichocarpa Steven A. Junak, Keri Kirkland 1998-7-17 771 Los Angeles Santa Catalina Island: Lower portion of Silver Canyon, ca. 0.5 air miles inland from beach 36 Comment
  POM244904  Populus trichocarpa F. R. Fosberg 1931-4-28 S 4704 Los Angeles Eagles Nest Middle Ranch Canyon, Santa Catalina Island. 180 Comment
  RSA591463  Portulaca oleracea L. C. Wheeler 1966-10-12 8973 Los Angeles San Gabriel Mountains. East fork, San Gabriel River, 1/2 mi. north of Cattle Canyon. 609 Comment
  POM337420  Portulaca oleracea F. R. Fosberg 1928-4-15 5470 Los Angeles Claremont. 366 Comment
  RSA618666  Potentilla glandulosa subsp. ewanii Louis C. Wheeler 1966-8-21 8836 Los Angeles San Gabriel Mountains: Dorr Canyon, northwest slope Mount Burnham. Lodgepole Picnic Area, Angeles Crest Highway.. . Comment
  RSA612184  Prunus ilicifolia Damian Ross 1997-3-29 20 Los Angeles Bernard Biological Field Station, Claremont Colleges. NE side of Phake Lake. 412 Comment
  UC284969  Prunus ilicifolia subsp. lyonii P. A. Munz 1923-4-10 6757 Los Angeles s of Lemmon Tank (San Clemente Island); San Clemente Island Comment
  UC861064  Prunus ilicifolia subsp. lyonii F. R. Fosberg 1931-4-2 S 4446 Los Angeles Santa Catalina Island, Hamilton Canyon just below road Hamilton Canyon; Santa Catalina Island, Hamilton Canyon 350 Comment
  RSA652648  Prunus lyonii Giancarlo Massarotto 1981-5-28 43 Los Angeles Private home garden 1020 So. Valinda Ave. W. Covina. Comment
  RSA773612  Prunus persica R. G. Swinney 2009-6-27 11288 Los Angeles San Gabriel River Wash, Azusa/Duarte border, 0.5 mi. north of Puente Largo railway bridge. 194 Comment
  CAS-BOT-BC356563  Pseudognaphalium biolettii L. R. Abrams; I. L. Wiggins 1931-7-6 375 Los Angeles San Clemente Island. Vicinity of Mosquito Harbor Comment
  RSA59144  Pseudognaphalium biolettii G. R. Campbell 1950-4-17 14853 Los Angeles Escondido Canyon, leading to Malibu Lake, ca. 5 miles above Highway Alt. 101. 457 Comment
  RSA752278  Pseudognaphalium biolettii Justin M. Wood 2009-4-22 526 Los Angeles City of San Dimas, Sycamore Canyon, Falcon Ridge Ranch. 412 Comment
  SBBG131885  Pseudognaphalium californicum S. A. Junak, D. Wilken 1996-3-26 SCI 250 Los Angeles N of Nanny Cyn 249 Comment
  UCR256147  Pseudognaphalium californicum R. G. Swinney 2010-4-20 12309 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  POM358846  Pseudognaphalium leucocephalum T. S. Clare, Johnstone 1929-10-20 s.n. Los Angeles Eaton Canyon, Mt Wilson. Comment
  CAS-BOT-BC357635  Pseudognaphalium stramineum Alice Eastwood 1917-7-20 6463 Los Angeles Santa Catalina Island Comment
  POM264379  Pseudotsuga macrocarpa Victor Duran 1933-7-27 3537 Los Angeles Little Rock Creek 1677 Comment
  RSA601830  Pseudotsuga macrocarpa Steve Boyd, T. S. Ross, Laura Moore, Valerie Soza 1997-7-8 10001 Los Angeles Liebre Mountains region: Northern flank of Sawmill Mountain, upper Heryford Canyon watershed, along Sawmill Mountain Road (7N23), ca. 0.7 miles from junction with Maxwell Truck Trail and Burnt Peak road. 1500 Comment
  SEINET10530885  Pseudotsuga macrocarpa Victor Duran 1933-7-27 Duran 3537 Los Angeles Little Rock Creek, San Gabriel Mountains. 1676 Comment
  RSA0091170  Pteridium aquilinum R. G. Swinney 2011-6-30 15403 Los Angeles 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA584390  Pteridium aquilinum var. pubescens T. S. Ross, Orlando Mistretta, Carolyn Neal 1994-7-1 8079 Los Angeles San Gabriel Mountains: Sheep Camp Spring, 334 deg. and 520 meters NNW of Pacifico Mountain summit, at the headwaters of Santiago Canyon. 1921 Comment
  UCR147855  Pteridium aquilinum var. pubescens L. C. Wheeler 1967-7-6 9931 Los Angeles Transverse Ranges; San Gabriel Mountains region, San Gabriel Mountains: San Dimas Canyon 518 Comment
  CAS-BOT-BC421191  Pterostegia drymarioides Le Roy Abrams 1901-4-5 1348 Los Angeles San Fernando Mts. near Chatsworth Park. Comment
  RSA600585  Pterostegia drymarioides Steve Boyd, Lauren Raz 1997-4-30 9595 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine. 866 Comment
  RSA660118  Pterostegia drymarioides Orlando Mistretta 1992-6-12 560 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  UCR258801  Pterostegia drymarioides R. G. Swinney 2010-5-25 12957 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
  RSA0080561  Pyrola dentata F. R. Fosberg 1931-8-12 s 5668 Los Angeles Mt. Islip, near summit. 2440 Comment
  CAS-BOT-BC45823  Quercus F. Grinnell Jr. 1917-9-17 s.n. Los Angeles Pasadena Comment
  UCR271073  Quercus X grandidentata R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14354 Los Angeles San Gabriel Mountains, Little Santa Anita Cyn., base of Mt. Wilson Trail, above Mira Monte Ave., to 0.15 miles NE above the trailhead 427 Comment
  CHSC95750  Quercus agrifolia Joseph Marlowe Keefe 2001-1-19 30945 Los Angeles San Rafael Mountains. Southeast face of The Eagle Rock, Eagle Rock District, Los Angeles, California, 90041. 304 Comment
  CLARK-A1528-5004  Quercus agrifolia John C. Roos 1937-4-18 1363 Los Angeles Live Oak Canyon Comment
  UCD45007  Quercus agrifolia Lionel A. Stange 1956-3-11 s.n. Los Angeles A huge tree in South Portal Canyon, Los Angeles, California. Comment
  RSA476841  Quercus agrifolia var. agrifolia F. R. Fosberg 1931-12-6 7081 Los Angeles Arroyo Seco, Sierra Madre Mts. Comment
  UCSB27892  Quercus berberidifolia Lloyd, Robert 1959-3-24 Los Angeles Oak Flats Fire Station, 10 mi. north of Castaic, Calif, on U.S. Hwy. 99, Tehachapi Mts. 822 Comment
  RSA313420  Quercus chrysolepis T. S. Elias 1984-4-29 8325 Los Angeles Angeles National Forest; Glendora Ridge near Baldy Camp; along forest service road above ridge road Comment
  RSA530056  Quercus chrysolepis Tim S. Ross 1991-8-16 5850 Los Angeles San Gabriel Mountains, Horse Flats. 1713 Comment
  UCD45457  Quercus chrysolepis R. L. Armacost 1962-10-6 1510 Los Angeles Canyon Oak. Upper San Antonio Canyon near Claremont. Comment
  UCR270033  Quercus chrysolepis R. G. Swinney 2011-7-21 15531 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  RSA825638  Quercus chrysolepis Louis C. Wheeler 1967-11 s.n. Los Angeles San Gabriel Mountains: Middle fork Mill Creek. . Comment
  CAS-BOT-BC86208  Quercus dumosa Alice Eastwood 1917-7-20 6522 Los Angeles Santa Catalina Island Comment
  JEPS39827  Quercus dumosa H. L. Bauer 1931-12-20 1 Los Angeles Santa Monica Mts. 670 Comment
  UCSB27954  Quercus dumosa R. Lloyd 1959-3-3 11 Los Angeles NEAR JCT OF HILLCREST AND NORTH HILL RD POMONA (IN GANESHA HILLS) 274 Comment
  RSA604320  Quercus durata var. gabrielensis Louis C. Wheeler 1936-1-19 4072 Los Angeles South slope San Gabriel Mountains, just above Pottinger Sanitarium. 305 Comment
  UC1870275  Quercus durata var. gabrielensis LeRoy Gross 2000-11-4 323 Los Angeles Verdugo Mountains: Trail at end of Morning Glow, past Sunglow Way, E off La Tuna Canyon Road, Sun Valley. 396 Comment
  UC1922645  Quercus durata var. gabrielensis Valerie L. Soza, Laura Moore 2000-5-10 852 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines, W of peak ''1936''. Near 34deg 14' 29.3'' N 118deg 18' 4.8'' W T2N R14W NE/4, SW/4 sec. 2 Comment
  UCR203970  Quercus durata var. gabrielensis D. E. Bramlet 2007-7-12 4107 Los Angeles San Gabriel Mountains, La Verne, 152 m north of Baseline, 1.37 km west of Live Oak Canyon Road and 1.28 km east of Marshall Creek Comment
  UCR258886  Quercus durata var. gabrielensis R. G. Swinney 2010-8-16 13517 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  RSA476782  Quercus engelmannii F. R. Fosberg 1931-1-7 7105 Los Angeles Sierra Madre. 300 Comment
  UC1135924  Quercus engelmannii Jerome S. Horton 1936-5-7 326 Los Angeles 0.25 mi se San Dimas reservoir (trail to new Sam Dimas Climatic Station); Pomona Quad., San Dimas 487 Comment
  POM273364  Quercus john-tuckeri Lyman Benson 1947-10-9 12837 Los Angeles 5 miles northeast [NW?] of Big Pine on Valyermo Road. San Gabriel Mt. Mojave Desert. 1677 Comment
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Mar 24 2015
  SD225862  Quercus john-tuckeri John M. Tucker 1948-9-26 1879 Los Angeles 11.4 mi. west of Palmdale, beside road to Elizabeth Lake; north-facing hillslope Comment
  UCR183572  Quercus john-tuckeri A. C. Sanders, T. B. Salvato, Michael Honer 2007-4-25 33532 Los Angeles Western Transverse Range; Liebre Mtns. Region, south of hwy 138 just east of mouth of Horse Camp Canyon, c. 1 mile ENE of La Liebre Ranch 976 Comment
  CAS-BOT-BC105252  Quercus kelloggii Timothy S. Ross; Steve Boyd 1994-9-21 8297 Los Angeles Liebre Mountain: vicinity of West Summit. Liebre Mountain 7.5' USGS Quadrangle 1690 Comment
  RSA592269  Quercus lobata Louis C. Wheeler 1967-5-8 9356 Los Angeles San Gabriel Mountains [Liebre Mtns]; Northeast foothills. 412 Comment
  SBBG30982  Quercus pacifica R. N. Philbrick 1964-6-12 B 64 -2 Los Angeles Black Pt, Lorenzo Beach area Comment
  UCR143297  Quercus pacifica F. R. Fosberg 1931-7-16 S- 5433 Los Angeles Channel Islands, Santa Catalina Island, near Wrigley Reservoir [Gallagher's Canyon?] 400 Comment
  UCR281779  Quercus pacifica Mitch Provance, Scott Duff 2017-6-29 617- 66 Los Angeles Catalina Island, Middle Canyon, SCE corridor, vicinity of Middle Ranch Rd., ENE of Thompson Dam 188 Comment
  SBBG43933  Quercus tomentella M. R. Benedict 1971-6-26 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  OBI36780  Quercus wislizeni David J. Keil 1980-3-27 13734 Los Angeles 1 mi E of Ridge rte on Pine Canyon rd (L.A. county rd N-2) 1189 Comment
  UC205514  Quercus wislizeni Ivan Johnston 1927-11-1 Los Angeles mts above Claremont Comment
  RSA597133  Quercus wislizeni var. frutescens Louis C. Wheeler 1961-6-12 7864 Los Angeles San Gabriel Mountains. Pacoima Canyon at Bad Canyon. 1059 Comment
  UC1135918  Quercus wislizeni var. frutescens A. Lewis Feb 1934 256 Los Angeles Head of San Francisquito Canyon Angeles National Forest, Elizabeth Lake Quad. 1127 Comment
  RSA713353  Rafinesquia californica A. C. Sanders, Tricia Wotipka, Mark Elvin 2003-4-29 26154 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east of Lake Hughes Rd. 488 Comment
  RSA95055  Rafinesquia californica F. W. Peirson 1923-4-11 3474 Los Angeles In canyon below farm buildings at Eagle Ranch, San Clemente Island Comment
  RSA399379  Ranunculus californicus T. S. Clare, McDougal 1930-4-7 s.n. Los Angeles Above Sandberg. Comment
  LA212152  Raphanus raphanistrum Harold Pirie; 1963-5-12 s.n. Los Angeles Open grass field in disturbed soil just N of Desoto and Ventura in Woodland Hills. 243 Comment
  SDSU1249  Raphanus sativus Gerald Collier 1951-4-7 M 194 Los Angeles About 2 miles west of U.S Hwy 101. 100 yards from road. Comment
  SEINET3840105  Rehmannia angulata Unknown 1939-7-10 Los Angeles Los Angeles campus Comment
  RSA0055054  Rhamnus californica Unspecified 1951-5-10 s.n. Los Angeles Escondido Canyon. 45 Comment
  UCR95319  Rhamnus crocea L. C. Wheeler 1967-4-30 9202 Los Angeles San Gabriel Mtns, Liebre Mtns, NW end of foothills (of San Gabriel Mtns), between Bouquet Junction and Bonelli Ranch 396 Comment
  RSA670580  Rhamnus crocea subsp. ilicifolia Bonnie C. Templeton 1930-5-27 1474 Los Angeles Near Mulholland Drive. North of Hollywood. 600 Comment
  POM199764  Rhamnus ilicifolia I. W. Clokey, Bonnie C. Templeton 1929-03 4511 Los Angeles Mandeville Canyon, Santa Monica Mountains. 200 Comment
  RSA390830  Rhamnus ilicifolia Robin S. Collins 1973-4-9 233 Los Angeles Angles National Forest, San Gabriel Mts.: R13W T3N, Trail Cyn. 610 Comment
  RSA655942  Rhamnus ilicifolia James Henrickson 2000-4-15 20712 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
  UCR150900  Rhamnus ilicifolia Valerie Soza, Kent Hughes 1999-6-17 557 Los Angeles Transverse Ranges; San Gabriel Mountains, Upper Winter Creek Trail, above San Olene Canyon 747 Comment
  POM9557  Rhamnus ilicifolia P. A. Munz 1920-3-10 3529 Los Angeles 1.5 mi. east of Claremont. 366 Comment
  CAS-BOT-BC59784  Rhamnus pirifolia Robert F. Thorne; P. C. Everett 1964-2-6 33291 Los Angeles Santa Catalina Island. Above Fourth of July Cove. 30 Comment
  SD45604  Rhamnus pirifolia Darley F. Howe 1953-5-3 Los Angeles Mouth of Wain Canyon, Catalina Island Comment
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Jun 10 2014
  RSA579460  Rhamnus tomentella subsp. cuspidata Tim S. Ross, S. D. Boyd 1994-9-21 8292 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1677 Comment
  CAS-BOT-BC200707  Rhus aromatica Louis C. Wheeler 1932-4-9 578 Los Angeles Kings Canyon near Elizabeth Lake 1036 Comment
  CAS-BOT-BC170463  Rhus integrifolia June Giddings 1924-8-1 s.n. Los Angeles Santa Catalina Island Comment
  UC17929  Rhus integrifolia Mrs. L. Trask June 1896 Los Angeles Santa Catalina Island Comment
  POM2722  Rhus ovata I. M. Johnston 1918-6-2 s.n. Los Angeles San Antonio Canon Wash (Between upland and Claremont) 365 Comment
  RSA0092556  Rhus ovata Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14330 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
  UC1587602  Rhus trilobata Tim Ross 1991-8-14 5749 Los Angeles southerly slope Granite Mountain; San Gabriel Mountains, Granite Mountain 1914 Comment
  LA212306  Rhus trilobata Lee Haines; 1935-7-4 s.n. Los Angeles SAN GABRIEL MOUNTAINS, Little Dalton. Comment
  RSA660831  Rhus viminalis LeRoy Gross 2001-3-25 379 Los Angeles Verdugo Mountains Region: Northwest side, along north side of hill north of the 210 freeway (Verdugo Crestline Dr.) between freeway and city of Sunland, entered at Topley Lane Comment
  RSA669712  Ribes aureum var. gracillimum LeRoy Gross 2002-2-23 479 Los Angeles Northeast side: Along Beaudry North Mountainway (dirt road) from bottom of Deer Creek this road leads to the main crest of the Verdugo's. Entered at the intersection of Beaudry Blvd. & Beaudry Terrace. 366 Comment
  UCD102121  Ribes aureum var. gracillimum A. E. Wieslander 1931-2-19 151 Los Angeles San Gabriel Wash, Pomona. 167 Comment
  CAS-BOT-BC92456  Ribes aureum var. gracillimum H. E. McMinn 1924-8-4 1224 Los Angeles Huntington Drive near Pasadena. Comment
  RSA98695  Ribes aureum var. gracillimum C. R. Quick 1931-2-14 47 Los Angeles Arcadia. Comment
  SFV6204  Ribes californicum R. M. Muran 1974-2-12 16 Los Angeles Santa Monica Mountains Mandeville Canyon area, 3.5 miles south of Mulholland Drive. 427 Comment
  CAS-BOT-BC93078  Ribes californicum var. hesperium Geo. B. Grant 1906-2-21 1122 a-6593 Los Angeles Santa Anita Canyon. 762 Comment
  CAS-BOT-BC93092  Ribes californicum var. hesperium Peter H. Raven; R. Snow 1957-7-25 11066 Los Angeles 1.6 mile north of junction of Padua Avenue with Mount Baldy Road, San Gabriel Mountains. Comment
  CAS-BOT-BC93068  Ribes californicum var. hesperium C. L. Hitchcock 1932-2-3 s.n. Los Angeles San Gabriel Mountains. Evey Canyon. North of Claremont. 518 Comment
  UCSB41546  Ribes divaricatum var. parishii Roos, John; Roos, Lucille 1951-3-10 Los Angeles San Gabriel River at Whittier Narrows 60 Comment
  SD237464  Ribes indecorum R. G. Swinney, Jane Strong 2009-4-7 10305 Los Angeles Transverse Range; San Gabriel Mountains Foothills: San Antonio Canyon, 2.4 miles N of Shinn Road (Mt Baldy 7.5'Q) 1073 Comment
  RSA670609  Ribes malvaceum Bonnie C. Templeton 1929-12-10 1440 Los Angeles Mandeville canyon, Santa Monica Mountains. 250 Comment
  RSA199037  Ribes malvaceum var. viridifolium W. M. Gauntt 1966-4-9 141 Los Angeles Junction of Glendora Mountain Road with Glendora Ridge Road 915 Comment
  UCR227725  Ribes malvaceum var. viridifolium Wesley O. Griesel 1986-11-21 s.n. Los Angeles Transverse Range, Verdugo Hills, upper La Tuna Canyon, from La Tuna Canyon Road at junction with Hwy I-210 518 Comment
  UC212583  Ribes montigenum I. M. Johnston 1917-7-4 1415 Los Angeles summit Baldy; San Antonio Mountains 3048 Comment
  RSA549818  Ribes nevadense Wandalee Thompson 1956-6-26 98 Los Angeles Williamson rocks, Rattlesnake Creek, Mt. Williamson, 3 miles S of Devils Punchbowl State Park. Angeles National Forest, San Gabriel Mts. Comment
  RSA702309  Ribes nevadense Steve Boyd, Amber Maurice 2004-5-18 11306 Los Angeles Atmore Meadows area. Comment
  UCR184354  Ribes quercetorum A. C. Sanders 2007-4-19 33474 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  RSA612202  Ribes speciosum Bill Campbell 1932-3-19 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon. Comment
  SBBG98206  Ribes speciosum L. C. Wheeler 1932-1-10 436 Los Angeles Puddingstone Dam, San Jose Hills 304 Comment
  CAS-BOT-BC207165  Ricinus communis S. B. Parish; W. F. Parish 1882-10-1 1599 Los Angeles Near Anaheim. Comment
  RSA681151  Ricinus communis LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1030 Los Angeles South side of mountains:Along road across from Brand Canyon Debris Basin, at mouth of Brand Canyon. 262 Comment
  CAS-BOT-BC434242  Rigiopappus leptocladus A. C. Sanders 2007-4-19 33425 Los Angeles Tehachapi Mtns. Foothills: hills north of Oso Canyon and south of the National Cement Plant. 1098 Comment
  LA201730  Robinia pseudoacacia Arthur C. Gibson; 2001-5-19 4822 Los Angeles Santa Monica Mountains, Mulholland Hwy, E of Las Virgenes Road, just E of Soka University Comment
  UCR146477  Romneya coulteri Scott D. White, Michael Honer 2004-6-24 10494 B Los Angeles Pomona Valley/ San Gabriel Mtn. Foothills, City of Claremont; San Antonio Canyon alluvial fan, N of Baseline Ave. and west of concrete-lined flood control channel 518 Comment
  CAS-BOT-BC74537  Rorippa curvisiliqua Wesley O. Griesel 1961-6-10 s.n. Los Angeles Devils Gate Dam. 457 Comment
  UCR55855  Rorippa nasturtium-aquaticum J. A. Adams 1966-5-24 807 Los Angeles San Gabriel Mtns., San Antonio Canyon, 6 mi above Claremont 915 Comment
  POM1540  Rosa californica Idella Coleman 1915-5-5 s.n. Los Angeles Claremont. Comment
  UCR43318  Rubus parviflorus David Charlton 1986-6-15 292 Los Angeles San Gabriel Mtns, Buckhorn Campground: creek along Burkhart Trail 1768 Comment
  LA91479  Rubus ursinus Bruce Douglas Clayton; Greg Shaw 1972-4-7 79 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, Mountain Park Research Campus, halfway up firebreak on peak BDC. 472 Comment
  POM310391  Rubus ursinus Margaret Hardinge 1946-3-11 141 Los Angeles Big Dalton Canyon. 457 Comment
  RSA599489  Rubus ursinus Steve D. Boyd, Lauren Raz 1997-3-25 9314 Los Angeles Liebre Mountains region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch. 1097 Comment
  RSA650191  Rubus ursinus Lori Ackerman, Gerald Braden 1988-5-20 39 Los Angeles North end [bank] of West Fork [San Gabriel] River, San Gabriel Mountains. Comment
  RSA656266  Rubus ursinus Bill McKinley 1976-4-18 4 Los Angeles Verdugo Mountains: 40 yards west of intersection of 2 Fire Roads, 940 yards up Beaudry Blvd. near Oakmont Country Club, Glendale. 409 Comment
  RSA729828  Rumex californicus R. G. Swinney 1998-7-6 6270 Los Angeles San Gabriel Mtns.: near mouth of Mescal Canyon, 2.7 miles north of junction of Hwy 2 and Mescal Canyon Rod. 1488 Comment
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Jan 26 2014
  RSA0065423  Rumex conglomeratus Jay Hunt 1953-4-24 s.n. Los Angeles Howard & Smith Nurs. field W. of sales yard, Montebello. Comment
  CATA1665  Rumex crispus Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Lisa Stratton 1998-7-16 2954 Los Angeles Santa Catalina Island: Above Parson's Beach 85 Comment
  RSA733836  Rumex obtusifolius R. G. Swinney 2000-5-10 7676 Los Angeles San Gabriel Mtns.: San Gabriel River bottom, ca. 600 m NE of confluence with Fish Canyon betweenbike path and river bottom. +/- 1000 m. 220 Comment
  JEPS51082  Sagina apetala George B. Grant 1917-4-15 Los Angeles Pasadena Comment
  RSA518460  Salazaria mexicana Gary D. Wallace 1966-4-24 500 Los Angeles Along Hwy 138 just 1/2 mile south of where it joins Pearblossom Hwy. 9 miles east of Pearblossom. 762 Comment
  LA31624  Salicornia pacifica Peter H. Raven; Henry J. Thompson 1959-9-6 14369 Los Angeles Santa Monica Mountains, Malibu Creek, mouth of creek 3 Comment
  RSA478892  Salicornia virginica R. F. Folger 1929-11 s.n. Los Angeles Playa del Rey. Comment
  RSA0115851  Salix Steven A. Junak 1999-5-20 SCa- 928 Los Angeles Santa Catalina Island. Cottonwood Canyon, at reservoir. 134 Comment
  IRVC27333  Salix exigua A. C. Sanders, Mark Elvin 2003-8-7 27164 Los Angeles Newhall Ranch, Santa Clara River bottom east of Del Valle NE end of Santa Susana Mtns. 282 Comment
  UCR205699  Salix exigua A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37027 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
  UC506456  Salix exigua var. hindsiana Carl Hedin and Joseph Ewan 1933-1-28 7631 Los Angeles 4 hectometers e of Radford Dr. Los Angeles River; San Fernando Valley, Los Angeles River Comment
  LA208677  Salix laevigata Carl Hedin; Joseph Ewan 1933-1-28 7629 Los Angeles San Fernando Valley, Los Angeles River, 400 m E of Radford Ave [Area 1] Comment
  POM296409  Salix laevigata Lyman D. Benson 1954-3-23 15259 Los Angeles Chino Wash at the south edge of Pomona on the road to Chino. Pacific Slope drainage area. 229 Comment
  POM48311  Salix laevigata Philip A. Munz 1925-2-22 9344 Los Angeles Santa Susanna. Comment
  UC1135110  Salix lasiandra subsp. lasiandra Jerome S. Horton 1937-3-3 426 Los Angeles Plott 22 below dam Dalton Canyon; Pomona Quad. Comment
  CAS-BOT-BC128127  Salix lasiandra var. lasiandra Carl W. Sharsmith 1932-1-17 8 Los Angeles At bottom of Lower San Gabriel Canyon, about 9.5 km. above Azusa 300 Comment
  RSA664167  Salix lasiolepis Marcus E. Jones 1926-2-26 s.n. Los Angeles Mountains near Claremont. Comment
  RSA771634  Salix lasiolepis R. G. Swinney 2009-6-2 10998 Los Angeles East slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  SBBG57884  Salix lasiolepis F. R. Fosberg 1932-1-26 7179 Los Angeles Topanga Cyn 225 Comment
  SD112017  Salix lasiolepis Betsy Carpenter, Linda Allen 1975-3-21 Los Angeles Santa Catalina Island; Cottonwoood Creek Comment
  SJSU244  Salix lasiolepis C. W. Sharsmith 1932-1-17 10 Los Angeles Lower San Gabriel Canyon c. 9.5 km above Azusa 298 Comment
  UC1234783  Salix lasiolepis Peter H. Raven 1962-5-20 17801 Los Angeles about opposite ranch in Middle Canyon Bullrush Canyon; Santa Catalina Isl., Bullrush Canyon 213 Comment
  UCR223598  Salix lasiolepis R. G. Swinney 2009-6-8 11088 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy 1720 Comment
  UCR277175  Salix lasiolepis R. G. Swinney 2010-9-30 13949 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
  UC506436  Salix lasiolepis Carl Hedin and Joseph Ewan 1933-3-25 7657 Los Angeles Comment
  CAS-BOT-BC128476  Salix lasiolepis var. lasiolepis F. R. Fosberg 1932-1-26 7176 Los Angeles In bottom of Topanga Canyon, Santa Monica Mts. 225 Comment
  LA201041  Salpichroa origanifolia George T. Hastings; 1950-7-23 sn Los Angeles Comment
  CAS-BOT-BC180708  Salsola tragus Peter H. Raven 1961-9-24 16754 Los Angeles Bouquet Reservoir 914 Comment
  CAS-BOT-BC180712  Salsola tragus John Thomas Howell 1952-10-26 28876 Los Angeles Vacant lot, Palmdale Comment
  RSA570026  Saltugilia australis T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4916 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity 492 Comment
  RSA756134  Saltugilia australis Orlando Mistretta, Christine Mistretta 2008-4-23 2524 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California Edison transmission line tower (Segment 6, Structure 60 per TRTP Survey 2008), vicinity of Upper Big Tujunga Canyon. 1175 Comment
  CHSC5102  Saltugilia caruifolia M. MacArthur 1967-7-16 87 Los Angeles Charlton Flat ca. 1 mi from Angeles Crest Hwy., below parking area #12, Angeles National Forest, San Gabriel Mts. Near path. 1524 Comment
  RSA698764  Saltugilia grinnellii subsp. grinnellii LeRoy Gross, Paul Morton 2004-6-9 1375 Los Angeles East end of the main crest; (Road surveys for the Angeles National Forest, road 7N23) Traveled from east to west from the junction with Atmore Meadows road (7N19) along Sawmill Mountain to Burnt Peak road (7N23A) 1432 Comment
  RSA171019  Saltugilia splendens R. F. Thorne 1963-7-11 32774 Los Angeles Along road to Upper Shake Campground, ca. 3 miles W of Lake Hughes, Angeles National Forest. Comment
  SBBG58393  Saltugilia splendens R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  UCR276881  Saltugilia splendens subsp. grantii R. G. Swinney 2011-6-7 15088 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
  RSA230040  Saltugilia splendens subsp. grantii R. F. Thorne 1971-6-26 40597 Los Angeles San Gabriel Mtns., Angeles National Forest: On summit of Mt. Wilson. 1737 Comment
  UC167110  Saltugilia splendens subsp. grantii Geo. B. Grant 1906-6-17 503 a-6800 Los Angeles summit Mt. Wilson summit Mt. Wilson (Southern California) 1828 Comment
  UC908992  Saltugilia splendens subsp. grantii Frank W. Peirson 1938-6-2 7933 Los Angeles South Fork Rock Cr San Gabriel Mts., S Fork Rock Cr 1981 Comment
  UC1587621  Salvia Tim Ross 1991-4-21 4530 Los Angeles Middle Turnbull Canyon Whittier Hills (Puente Hills, pro parte) (vicinity of old water tank) 228 Comment
  RSA401640B  Salvia apiana William Emboden 1970-6-12 36 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  RSA616726  Salvia apiana Louis C. Wheeler 1966-8-20 8816 Los Angeles San Gabriel Mountains: Cabin Flat, Prairie Fork. Comment
  RSA442826  Salvia apiana William Emboden 1969-5-28 11 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA573452  Salvia apiana Tim S. Ross 1992-6-15 s.n. Los Angeles Whittier Hills (local name for the western extremity of the Puente Hills): upper end of Turnbull Canyon. 294 Comment
  UCR208971  Salvia carduacea L. R. Abrams 1901-4-1 1236 Los Angeles South Coast, Ballona Harbor 5 Comment
  RSA401445B  Salvia columbariae Bonnie C. Templeton 1931-4-12 s.n. Los Angeles Mandeville Canyon 350 Comment
  SFV15594  Salvia columbariae K. C. Molina, K. L. Garrett 1992-5-10 10 Los Angeles San Gabriel Mountains 4 km northeast Valyermo Ranger Station at Bob's Gap. Gravel hillside. 1200 Comment
  RSA526609  Salvia columbariae Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4191 B Los Angeles San Clemente Island. Upper reaches of China Cyn, S end of island, W side. Comment
  RSA82999  Salvia columbariae F. W. Peirson 1919-3-30 335 Los Angeles Hills west of the Arroyo Seco, west of Pasadena 427 Comment
  RSA727069  Salvia dorrii Jay Walker, R. C. Walker 3193 Los Angeles South of Little Rock, at jct of Fort Tejin road and 87th St. East. Comment
  CAS-BOT-BC214321  Salvia dorrii var. pilosa A. D. E. Elmer 1902-6-1 3696 Los Angeles Vincent Comment
  CAS-BOT-BC229496  Salvia mellifera A. C. Sanders 2003-3-14 25763 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 560 Comment
  CAS-BOT-BC233296  Salvia mellifera Timothy S. Ross; J. Mark Porter; Gery Allan; Vanessa Ashworth; Darin Banks; Megan Tommerup 1994-3-28 7408 Los Angeles Rancho Palos Verdes, un-named horseshoe-shaped canyon to the NE of upper Forrestal Drive, San Pedro 7.5' USGS quadrangle 164 Comment
  CAS-BOT-BC233301  Salvia mellifera P. A. Munz; R. D. Harwood 1920-5-15 3930 Los Angeles Cold Water Canyon, Santa Monica Mts. 3048 Comment
  RSA191020  Salvia mellifera Robert F. Thorne, J. Henrickson 1963-5-5 32287 Los Angeles Near bottom and mouth of Cobal Canyon, foothills of San Gabriel Mts., ca. 4 miles N of Claremont. 518 Comment
  SD69536  Salvia mellifera Robert Thorne, P. Everett 1965-5-10 34431 Los Angeles Santa Catalina Island: Cape Canyon; near small stream. 274 Comment
  SEINET2077544  Salvia mellifera S. Rhodes 2000-4-24 131 Los Angeles S of Palmdale, near railroad tracks and Avenue S. intersection Comment
  UCR206410  Salvia mellifera A. C. Sanders, T. B. Salvato 2009-5-19 36828 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  RSA434068  Salvia spathacea G. R. Johnstone 1929-5-19 14896 Los Angeles Puerco Canon, Santa Monica Mts. Malibu estate 3-4 mi from ocean. Comment
  UC76196  Salvia spathacea unknown May 1902 1104 Los Angeles Pasadena Comment
  RSA650339  Sambucus caerulea Guy C. Black 1948-4-23 s.n. Los Angeles Approx. 4 mi. west of Covina near Baldwin Park. 213 Comment
  RSA152396  Sambucus mexicana R. C. Bacigalupi 1953-5-2 4049 Los Angeles Northern limits of Oak Flat Public Camp, Angeles National Forest, just off U.S. 99 854 Comment
  RSA584847  Sambucus mexicana T. S. Ross 1993-6-1 7362 b Los Angeles W marvin of Chantry Flat near beginning of upper Winter Creek Trail. 707 Comment
  RSA648205  Sambucus mexicana Dan Milojevich 1981-5-17 43 Los Angeles Santa Anita Ave. & Valley Blvd. Comment
  UC1125333  Sambucus mexicana A. D. Gifford 1935-3-15 464 Los Angeles 2 1/4 mi wsw Red Mountain; Angeles National Forest, Tejon Quadrangle Comment
  UCR48868  Sambucus mexicana Steve Morgan 1974-4-25 67 Los Angeles Western Transverse Range; Santa Monica Mtns., 1/4 mi east of Mulholland Hwy on Stunt Rd. 366 Comment
  UCR270450  Sambucus nigra subsp. caerulea R. G. Swinney 2011-5-12 14686 Los Angeles San Gabriel Mountains, east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  UC877769  Samolus parviflorus Louis C. Wheeler 1933-7-7 1917 Los Angeles near El Monte (Lexington Wash); Lexington Wash 73 Comment
  RSA460824  Samolus parviflorus Unspecified 1897-06 s.n. Los Angeles Mission Canon, San Gabriel. Comment
  RSA592419  Sanicula arguta Mark Hoefs, Doug Propst 1973-3-3 28 Los Angeles Santa Catalina Island. Rocky slope on open hillside in upper Cottonwood Canyon, west of Black Jack Mountain 366 Comment
  RSA158331  Sanicula arguta P. H. Raven 1962-4-10 17211 Los Angeles San Clemente Island. Summit of Thirst. 579 Comment
  RSA534062  Sanicula arguta T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5260 -a 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
  LA201026  Sanicula bipinnata Carl Wishner; 1997-3-26 sn Los Angeles Santa Monica Mountains, Cornell, hills just E of Los Angeles County Fire Station 275.0 Comment
  RSA471464  Sanicula crassicaulis M. B. Dunkle 1929-4-20 2136 Los Angeles Hamilton Canyon, Santa Catalina Island. Comment
  CAS-BOT-BC539831  Sanicula crassicaulis Carl Epling 1931-5-2 s.n. Los Angeles Santa Monica Mountains: Los Alisos Canyon Comment
  RSA425045  Sarcodes sanguinea D. Charlton 1986-6-15 272 Los Angeles between Blue Ridge Campground (1.5 miles directly SSE of Big Pine) and the reservoir at the top of Chisolm ski run along the reservoir maintenance road. 0.7 miles S of Angeles Crest Hwy on forest RD. 3N06 2439 Comment
  UC277072  Sarcostemma cynanchoides subsp. hartwegii W. R. Shaw 1900-6-11 61 Los Angeles Claremont Comment
  POM122287  Saxifraga californica Marcus E. Jones 1924-4-5 s.n. Los Angeles San Antonio Canon, Claremont Comment
  RSA717341  Schedonorus arundinaceus Scott D. White, Pam DeVries 2006-5-9 11411 Los Angeles Gorman area, valley & slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  RSA777430  Schedonorus arundinaceus R. G. Swinney 2009-5-27 10857 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  POM186325  Schinus molle L. C. Wheeler 1932-9-6 1352 Los Angeles Thompson wash near La Verne. 373 Comment
  UCR255473  Schinus molle Dan S. Cooper 2014-6-26 614- 29 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, north end of Fern Dell picnic area near Western Canyon Rd. 205 Comment
  UCR206533  Schinus terebinthifolius A. C. Sanders, T. B. Salvato 2009-5-19 36823 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  CAS-BOT-BC239927  Schismus arabicus Ernest C. Twisselmann 1966-4-27 12107 Los Angeles Hi Vista 868 Comment
  RSA598085  Schismus arabicus Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3780 Los Angeles Vicinity of Crystal Lake 1677 Comment
  SFV21010  Schismus barbatus L. Gross 2003-3-7 776 Los Angeles Verdugo Mountains Northwest side of Verdugo Mountains. Verdugo Crestline Dr. (fire road) just north of the 210 Freeway. Entered on the west side at Topley Lane, off of Newhome Ave. in Sunland. Main ridge line between two pylons, parallel with road. 564 Comment
  UCR259122  Schismus barbatus R. G. Swinney 2010-5-4 12521 Los Angeles San Gabriel Mountains, north of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park 457 Comment
  UCSB70300  Schoenoplectus acutus Ferren, Wayne; Hamilton, Jason 1993-9-1 Los Angeles Santa Monica Mtns. Tapia County Park. Comment
  SBBG59214  Schoenoplectus acutus var. occidentalis R. Hoffmann 1931-5-3 Los Angeles San Francisquito Cyn Comment
  UC1584239  Schoenoplectus acutus var. occidentalis Tim Ross, Steve Boyd 1990-6-6 2884 Los Angeles marshy portions at the n end Piru Pond; Liebre Mtn Quad., Los Padres National Forest, Piru Pond 644 Comment
  CAS-BOT-BC111517  Schoenoplectus americanus Arthur Monrad Johnson 1928-4-7 297 Los Angeles Los Angeles River bottom, Griffith Park Comment
  POM1406  Schoenoplectus americanus I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. 84 Comment
  RSA127789  Schoenoplectus maritimus Peter H. Raven, H. J. Thompson 1959-9-6 s.n. Los Angeles Santa Monica Mountains: Malibu Creek., 34 deg N, 118 deg -119 deg W. 6 Comment
  UCR205274  Scirpus maritimus R. G. Swinney 2008-4-30 8699 Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon Debris Basin 341 Comment
  RSA595877  Scirpus microcarpus Timothy S. Ross, Victor W. Steinmann 1995-5-8 8530 Los Angeles Bouquet Canyon: along Bouquet Canyon Road at its intersection with a US Forest Service road that winds up onto the ridge between Bouquet Canyon and Mystic Canyon. 595 Comment
  RSA0105040  Scrophularia californica R. G. Swinney 2011-4-26 14470 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
  RSA103937  Scrophularia californica C. Epling 1931-4-25 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon. Comment
  RSA425190  Scrophularia californica subsp. floribunda Anstruther Davidson 1902-5-1 s.n. Los Angeles Playa del Rey. Comment
  CDA18801  Scrophularia peregrina S. Schoenig 2000-4-14 00 -01 Los Angeles Rancho Santa Ana Botanical Gardens, Claremont. 0 Comment
  POM155786  Scrophularia villosa M. B. Dunkle 1928-4-21 1865 Los Angeles Santa Catalina Island: Renton Mine Hill 305 Comment
  SBBG52617  Scrophularia villosa F. R. Fosberg 1931-4-8 4520 Los Angeles Avalon Valley 60 Comment
  CAS-BOT-BC539345  Scutellaria mexicana R. K. Brummitt; S. M. Namoff 2012-6-7 22038 Los Angeles Angeles National Forest, N of Littlerock, Big Rock Creek road, Sycamore Flat camp site 1300 Comment
  RSA229017  Scutellaria siphocampyloides Robert F. Thorne, C. W. Tilforth 1971-6-30 40822 Los Angeles San Gabriel Mts., Angeles National Forest: Desiccated branch of S fork of Little Rock Creek, 1.8 miles below Alder Saddle in Pinyon Flats area. 1555 Comment
  POM8578B  Scutellaria tuberosa P. A. Munz, R. D. Harwood 1920-4-21 3699 Los Angeles San Dimas Canyon; South face of San Gabriel Mts 457 Comment
  RSA708658  Scutellaria tuberosa Valerie L. Soza, LeRoy Gross, Bill Hogshead 2001-4-26 1186 Los Angeles Northwestern edge of Verdugo Mts, north of La Tuna Canyon, SE of Green Verdugo Reservoir. 457 Comment
  UCR185570  Secale cereale A. C. Sanders, T. B. Salvato, Michael Honer 2007-4-25 33523 Los Angeles Western End of Antelope Valley and Mojave Desert, hills south of Hwy 138 at 290th St. West, SW of VABM Zana 915 Comment
  UCR192809  Secale cereale T. B. Salvato 2008-4-25 3345 Los Angeles Transverse Range; Northwestern San Gabriel Mountain Foothills/Mojave Desert, Hwy 138, west of Cow Spring Canyon and 0.6 mi east of 300th Street West 950 Comment
  LA209590  Selaginella asprella Lawrence L. Kiefer; 1966-10-23 2475 Los Angeles San Gabriel Mountains, vicinity of Winston Peak, ca. 1/3 mi above Camp Pajarita, just above the road 2042 Comment
  RSA595364  Selaginella asprella Louis Cutter Wheeler 1970-5-24 s.n. Los Angeles San Gabriel Mountains: Saddle between Mt. Markham and Mt. Lowe. 1615 Comment
  UCR124598  Senecio californicus B. C. Templeton, I. W. Clokey 1930-4-8 1058 Los Angeles San Gabriel Mtns, San Francisquito Canyon 900 Comment
  RSA607267  Senecio flaccidus var. douglasii L. C. Wheeler 1931-8-11 S 9 Los Angeles 2 miles northeast of La Verne 377 Comment
  UCR216901  Senecio flaccidus var. douglasii R. G. Swinney 2009-3-16 10123 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 400 m NE of River Bike Path parking lot at Hwy 39 227 Comment
  POM9642  Senecio flaccidus var. douglasii P. A. Munz 1920-12-5 4403 Los Angeles Claremont. 366 Comment
  CAS-BOT-BC341192  Senecio lyonii Reid Moran 1941-2-18 589 Los Angeles Mouth of Middle Ranch canyon, San Clemente Island Comment
  RSA473040  Senecio lyonii M. B. Dunkle 1939-11-24 7349 Los Angeles San Clemente Island: east coast summit Comment
  SBBG96751  Senecio lyonii S. Boyd with T. Ross, L. Arnseth 1990-4-7 4278 Los Angeles lower half of China Cyn Comment
  SEINET4015259 Image available Senecio lyonii M. B. Dunkle 1939-1 7349 Los Angeles San Clemente Island. Comment
  UCR71166  Senecio lyonii Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4408 Los Angeles Channel Islands, San Clemente Island: east side of island, Bryce Canyon near Malo Point Comment
  LA200267  Senecio mikanioides Jonathan Sauer; H. Mielke 1971-11-16 5001 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, upper, Upper canyon. Comment
  UC205619  Senecio triangularis I. M. Johnston 1918-7-6 2088 Los Angeles Prairie Fork San Gabriel River, San Antonio Mountains Comment
  CAS-BOT-BC364566  Senecio vulgaris Peter H. Raven 1960-4-2 14870 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Zuma Beach, Point Dume 22 Comment
  SD255750  Senna A. C. Sanders, T. B. Salvato 2009-5-19 36830 Los Angeles San Gabriel Valley; Montebello Hills, under SCE powerlines south of Montebello Blvd. and W of Plaza Dr., south of large shopping mall called Montebello Town Center. 110 Comment
  MACF019832  Sequoia sempervirens L. Hathaway 1961-7-20 Los Angeles 11901 E. Florence Ave., Santa Fe Springs Comment
Read comments
Jun 5 2015
  OBI28969  Setaria viridis David J. Keil 1976-12-12 11886 Los Angeles 5 mi W of San Bernardino Co line along Calif Rte 138 Comment
  UCR162505  Setaria viridis Anuja Parikh, Nathan Gale 2004-6-2 2025 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 3) in vicinity of confluence of Castaic Creek 290 Comment
  UC55291  Sidalcea malviflora subsp. malviflora J. H. Barber 1897-3-21 Los Angeles Santa Monica Forestry Station Comment
  UCR181664  Silene armeria A. C. Sanders, D. Malueg 1998-6-22 21986 A Los Angeles San Gabriel Mtns., foothills along Hwy 2 at La Canada, at turnoff to SCE Gould substation, Gould Canyon watershed 610 Comment
  CATA1859  Silene gallica Denise Kraus 2000-4-13 4 Los Angeles Santa Catalina Island: (Goat Harbor burn area) Above Goat Harbor about 2,000 feet north of Airport road between fuel break roads/ridges. At GHB Transect 1 381 Comment
  SEINET4044551  Silene laciniata D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 121 Comment
  POM151361  Silene laciniata subsp. major C. F. Baker 1904-5-6 4742 Los Angeles Hills near Pomona Comment
  SFV16953  Silene parishii J. N. Hogue, P. Wilson 1997-6-27 88 .1 Los Angeles San Gabriel Mountains Highway 2, mile marker 59.25. 2012 Comment
  RSA0025739  Silene verecunda subsp. platyota Duncan S. Bell 2013-7-11 5372 Los Angeles Sheep Mountain Wilderness; eastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1993 Comment
  RSA438867  Silene verecunda subsp. platyota Cameron Blake, Jane Turner, Francis M. Ball 1962-6-2 970 Los Angeles ca. 5 mi. NW of Big Pines on road to Valyermo 1768 Comment
  UCR197091  Sisymbrium orientale LeRoy Gross 2007-5-2 2667 Los Angeles Transverse Range; Verdugo Mountains, southern part of the range, Stough canyon just below the nature center 427 Comment
  RSA0107231  Sisymbrium orientale Steven A. Junak 1998-4-5 SCa- 545 Los Angeles Santa Catalina Island. Just N of road to Toyon Bay, 1.1 road miles from intersection with Airport Road. 317 Comment
  SD38484  Sisyrinchium bellum Edith A. Purer 1931-3-11 1545 Los Angeles Near Pasadena, moist slope. Comment
  UCD138821  Sisyrinchium bellum Daryl Koutnik 1978-3-24 158 Los Angeles west side of Decker Road, south of Carlisle Road. 487 Comment
  UCR282613  Sisyrinchium bellum Dan S. Cooper 2017-3-20 317- 11 Los Angeles Whittier Hills, Skyline Dr. [Skyline #2 Fire Rd.] 351 Comment
  POM1753  Sisyrinchium bellum I. M. Johnston 1918-5-5 1888 Los Angeles Trumbull Canyon, Puente Hills 30 Comment
  RSA15324  Sisyrinchium bellum Fay A. MacFadden 1930-05 1216 Los Angeles Verdugo Mountains: Flintridge. Comment
  RSA0102538  Smilacina stellata Richard G. Swinney 2010-9-30 13898 Los Angeles San Gabriel Mountains: 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs. 2290 Comment
  CATA973  Solanum douglasii Mark L. Hoefs 1994-5-21 1842 Los Angeles Santa Catalina Island: Southeast end of Renton Mine Road 262 Comment
  HSC12481  Solanum douglasii Wendell Wood 1970-6-17 1 Los Angeles Chevy Chase and Linda Vista Rd., Glendale 366 Comment
  RSA670308  Solanum douglasii Joseph M. Keefe 2001-3-19 31163 Los Angeles San Rafael Mountains. 10 meters north of Glenoaks Boulevard, 200 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, CA 91208 466 Comment
  RSA670942  Solanum douglasii Joseph M. Keefe 2001-1-19 30944 Los Angeles End of sidewalk along Eagle Rock View Drive, south facing slope, south face of the Eagle Rock. 293 Comment
  SBBG42269  Solanum douglasii M. B. Dunkle 1939-11-24 7339 Los Angeles Mosquito summit Comment
  UC483375  Solanum douglasii L. R. Abrams and I. L. Wiggins 1931-7-6 346 Los Angeles vicinity of Mosquito Harbor (San Clemente Island); San Clemente Island Comment
  UCR220237  Solanum douglasii R. G. Swinney 2009-4-13 10334 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
  RSA422427  Solanum douglasii Tom Burch 1940-3-2 4019 -3 Los Angeles Playa Del Ray. 0 Comment
  SBBG31536  Solanum douglasii R. M. Beauchamp 1967-3-17 243 Los Angeles near rocks E of Wilson Cove Comment
  SDSU11167  Solanum douglasii Gerald Collier 1951-3-22 M 455 Los Angeles Faculty Hill; 1/4 mile west of UCLA Campus, dense, shady hillside. Comment
  CSUSB798  Solanum jasminoides Virginia M. Bolton 1966-3-6 Los Angeles City of Claremont, vicinity of 427 Yale Ave. Comment
  RSA0110201  Solanum umbelliferum Richard G. Swinney 2011-5-16 14725 Los Angeles San Gabriel Mountains: Camp Colby (C. Ranch), upper Coldwater Cyn., 150 m south of lodge in center of camp, 1.18 miles at 73 degrees SSE of jct. of Colby Ranch Rd. and FS Rd 3N19 in Big Tujunga Cyn. 1122 Comment
  RSA427416  Solanum umbelliferum Gale Sphon 1959-5-9 332 Los Angeles Big Rock Public Camp, Angeles National Forest. Comment
  RSA578801  Solanum umbelliferum Tim S. Ross, Steve D. Boyd, Steve Burns 1994-7-6 8129 Los Angeles Tributary of Clearwater Canyon: fork area of major blueline tributary which drains southward form Tule Ridge and joins Clearwater Canyon at Plum Spring. (section not demarcated on my map). 814 Comment
  UC586885  Solanum umbelliferum Joseph Andorfer Ewan 1934-8-3 8380 Los Angeles Swarthout Valley, near county line Swarthout Valley; San Gabriel Mountains, Swarthout Valley 1981 Comment
  UCR191518  Solanum umbelliferum R. G. Swinney 1998-7-8 6316 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  UCR209499  Solanum umbelliferum R. G. Swinney 2008-6-17 9032 Los Angeles San Gabriel Mountains, 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1992 Comment
  CAS-BOT-BC154692  Solanum umbelliferum C. B. Wolf 1931-5-13 2000 Los Angeles Pacoima Wash, near bridge on the road from Tujunga to San Fernando 365 Comment
  RSA577251  Solanum umbelliferum Orlando Mistretta 1994-7-18 1432 Los Angeles Horse Canyon/Circle Mtn. Rehab Project. In wide drainage W of Circle Mountain. 1799 Comment
  RSA427378  Solanum wallacei George B. Grant, Walter Wheeler 1904-4-21 s.n. Los Angeles Santa Catalina Island. Comment
  UCR130060  Solanum xanti George K. Helmkamp, E. A. Helmkamp 1998-5-21 4057 Los Angeles Western Mojave Desert/Transverse Range, junction of Munz Ranch Rd and Lake Elizabeth Rd., north of Lake Elizabeth 1006 Comment
  UCR139426  Solanum xanti Fay A. MacFadden 1931-3-16 58 E Los Angeles La Tuna Canyon, Verdugo Hills 488 Comment
  UCR78121  Solanum xanti Wandalee Thompson 1964-4-11 2 Los Angeles San Gabriel Mtns., Liebre Mtns.: San Francisquito Canyon Road at Powerhouse No. 2, San Francisquito Canyon, Angeles National Forest 457 Comment
  UCSB49292  Solanum xanti Welton, Patti 1983-3-28 Los Angeles SW side of Mulholland Hwy, 2.2 mi. N of junction with Malibu Canyon Rd. Santa Monica Mtns 481 Comment
  SEINET6186072  Solanum xanti var. intermedium I. W. Clokey 1931-3-11 5348 Los Angeles San Gabriel Canyon 900 Comment
  RSA587456  Solidago californica Orlando Mistretta 1995-4-11 1618 Los Angeles San Gabriel Mountains. Santiago canyon. Canyon and slopes draining W slopes of Santiago Canyon ca. 1 mi. SW of confluence with Little Rock Creek. 1098 Comment
  RSA763517  Solidago confinis R. G. Swinney 2008-11-29 9857 Los Angeles Mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  SFV6723  Solidago velutina subsp. californica R. Johnson Oct 1974 s. n. Los Angeles San Gabriel Mountains Wilson Canyon. 610 Comment
  UCR256872  Sonchus oleraceus R. G. Swinney 2010-6-8 13214 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
  RSA0069847  Spartium junceum R. G. Swinney 2010-4-20 12300 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  LA82446  Spergula arvensis O. H. Kappler; Los Angeles San Gabriel Mountains, Foothills, West Los Angeles 91 Comment
  UCR216372  Spergularia Dan S. Cooper 2010-4-23 410- 37 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR223398  Spergularia R. G. Swinney 2009-7-29 11406 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
  RSA0097909  Spergularia bocconi R. F. Thorne, Doug Propst 1968-5-27 37630 Los Angeles Santa Catalina Island: near margin of Thompson s Reservoir, Middle Ranch at upper (W) end of reservoir. Comment
  RSA0097912  Spergularia bocconi F. R. Fosberg 1931-3-23 S 4332 Los Angeles Hamilton Canyon, mouth near Avalon, Catalina Island. 2 Comment
  RSA0098393  Spergularia macrotheca F. R. Fosberg 1930-6-23 S 2944 Los Angeles Del Rey. 1 Comment
  SBBG98421  Spergularia macrotheca var. macrotheca T. Ross 1991-5-22 5443 Los Angeles Spray Pt, W side of island ca. 5300 ft N of Eel Pt 9 Comment
  RSA0098600  Spergularia marina L. R. Abrams 1901-4-1 1224 Los Angeles Ballona Harbor. Comment
  CAS-BOT-BC390805  Spergularia marina Geo. B. Grant 1901-4-14 s.n. Los Angeles Redondo Comment
  CDA24142  Spergularia marina G. D. Barbe 1980-11-18 3020 Los Angeles North of Playa del Rey, Culver Boulevard at Nicholson Street. Comment
  SBBG71514  Sphaeralcea ambigua R. Hoffmann 1925-4-19 Los Angeles Antelope Valley Comment
  UC57022  Stachys ajugoides var. rigida Ernest Braunton July 1902 544 Los Angeles Griffith Park Comment
  RSA618987  Stachys albens LeRoy Gross 1998-9-20 81 Los Angeles Southern base San Gabriel Mtns.: Tujunga Ponds. West of 210 freeway in big Tujunga wash, city of Sunland. 366 Comment
  HSC78887  Stachys bullata Richard S. Hood 1970-5-20 308 Los Angeles 2.5 mi. E of Los Virgines Rd. on Puima Rd. in Malibu Canyon, Santa Monica Mtns. 549 Comment
  RSA651037  Stachys bullata Eleanor McClung 1937-4-12 101 Los Angeles Higgin's Can., L.A. Comment
  SD41520  Stachys bullata Darley F. Howe 1947-3-22 1517 Los Angeles Topanga Canyon. Comment
  POM331  Stanleya pinnata W. R. Dudley 1896-6-6 4324 Los Angeles Lancaster. Comment
  UC206179  Stebbinsoseris heterocarpa Katharine Brandegee Los Angeles Santa Catalina Island Comment
  UCR194284  Stellaria media R. G. Swinney 1999-4-9 7085 Los Angeles San Gabriel Mtns., mouth of Peacock Canyon, at confluence with Cattle Canyon 640 Comment
  RSA608042  Stenotaphrum secundatum L. C. Wheeler 1947-06 6522 Los Angeles San Gabriel Mountains. Comment
  UC1070311  Stephanomeria cichoriacea Jerome S. Horton 1937-9-21 498 Los Angeles below Dalton Dam; Pomona Quad. 457 Comment
  UC494414  Stephanomeria diegensis Philip A. Munz 1932-8-31 12816 Los Angeles Playa del Rey Comment
  UCR190741  Stephanomeria exigua R. G. Swinney 2001-5-18 7945 Los Angeles San Gabriel Mtns./Mojave Desert, Largo Vista area, c. 1/2 mile east of Largo Vista Rd. at a point 3.56 mi. south of Hwy 138 1284 Comment
  CAS-BOT-BC322841  Stephanomeria pauciflora Carl B. Wolf 1932-8-11 4010 Los Angeles Big Rock Creek 1/8 mile below Big Rock Ranger Station, desert slope of San Gabriel Mts. 1066 Comment
  RSA792018  Stephanomeria virgata subsp. virgata Jane Tirrell 2012-8-20 LS 0164 Los Angeles North side of California State Route 2 near mile marker 66.6, approx. 1.5 mi east of Islip Saddle 2232 Comment
  CATA1750  Stipa cernua Mark L. Hoefs, Steven A. Junak, J. Travis Columbus 2001-5-25 3186 Los Angeles Santa Catalina Island: On ridge above KBRT radio station, west of Airport Road junction 432 Comment
  RSA0120154  Stipa lepida R. G. Swinney 2014-5-27 16684 Los Angeles San Gabriel Mountains; Glendora, Glendora Peak (Glendora. C.5 set by County Surveyor. 1937), 0.74 miles ENE (34 deg.) of Azusa Pk., adj. and south of Glendora Ridge Mtwy. 791 Comment
  CAS-BOT-BC376010  Stylocline gnaphaloides F. W. Peirson 1921-5-20 2789 Los Angeles Little Rock Creek, San Gabriel Mts. 1097 Comment
  LA88399  Stylocline gnaphaloides O. H. Kappler; 1941-5-9 265 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA607258  Stylocline gnaphaloides L. C. Wheeler 1933-5-13 1730 Los Angeles Cobal Canyon 487 Comment
  RSA682523  Stylocline gnaphaloides Scott D. White, Michael Honer 2003-5-7 9197 Los Angeles Santa Clarita Area: South Fork Santa Clara River, from confluence with main fork upstream to bridge at Magic Mountain Parkway. 335 Comment
  SBBG18893  Stylocline gnaphaloides S. A. Junak 1997-3-11 SCl 749 Los Angeles SE side of Sibara Ridge, ca. 0.35 mi S of Triangulation Pt Guds 112 Comment
  POM188042  Stylomecon heterophylla Robert F. Thorne 1966-4-28 36223 Los Angeles Santa Catalina Island: W-facing rocky bank near upper end Renton Mine road in Pebbly Beach Canyon. 259 Comment
  SEINET12102841  Stylomecon heterophylla J. F. Bright 1935-1 1020 Los Angeles Antelope Valley Comment
  RSA642713  Symphoricarpos albus var. laevigatus Orlando Mistretta 1992-7-13 691 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  RSA730079  Symphoricarpos albus var. laevigatus R. G. Swinney, D. W. Larson 1999-5-29 7217 Los Angeles San Gabriel Mtns.: San Dimas Canyon, main fork c. 100 m north of confluence with east Fork. 549 Comment
  PASA284  Symphoricarpos albus var. mollis Frank W. Peirson 1919-5-18 Los Angeles Monrovia Canyon 761 Comment