Search Results — 2000 specimen records retrieved (1555 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
  RSA384189  Abies concolor B. C. Templeton 1932-5-31 4864 Los Angeles Between Big Pines Camp and Jackson Lake 1829 Comment
  UCR270684  Abies concolor R. G. Swinney 2011-8-17 15652 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  CATA1979  Abronia maritima F. R. Fosberg 1931-5-16 4881 Los Angeles Santa Catalina Island: Little Harbor 2 Comment
  POM158312  Abronia maritima M. B. Dunkle 1928-4-29 1892 Los Angeles Santa Catalina Island: Sand Beach, Little Harbor 2 Comment
  POM735  Abronia maritima M. Hitchcock 1918-7-3 8 Los Angeles near mouth of Topanga Canyon Comment
  UC146763  Abronia pogonantha Katharine Brandegee 1908-6-1 Los Angeles Lancaster Comment
  RSA460983  Abronia umbellata Tisdale 1929-4-15 s.n. Los Angeles Sand Dunes El Segundo Comment
  LA25885  Abronia umbellata subsp. umbellata Judith Webb; 1955-3-26 sn Los Angeles Comment
  RSA651443  Acacia baileyana Paul Ring 1949-2-17 s.n. Los Angeles Found in canyon north of Infirmary. [Cal Poly, Pomona ?] 243 Comment
  UCR62241  Acacia dealbata S. J. Myers 1990-4-3 s.n. Los Angeles Powder Canyon, in the City of La Habra Heights 245 Comment
  HSC34776  Acer macrophyllum R. E. Cooksey Apr 1974 1759 Los Angeles Little Dalton Canyon, above Glendora 457 Comment
  POM308337  Acer macrophyllum Henry J. Ramsey, Henry J. Ramsey 1937-7-18 3046 Los Angeles Wolgums Cabin, Soldier's Creek, San Gabriel Mountains. Comment
  POM5995  Achillea millefolium I. M. Johnston 1918-6-23 s.n. Los Angeles Spring Hill, San Antonio Canyon. 1310 Comment
  CAS-BOT-BC204764  Acmispon argophyllus var. argenteus Alice Eastwood 1917-7-20 6488 Los Angeles Santa Catalina Island Comment
  SDSU4345  Acmispon dendroideus var. traskiae R. M. Beauchamp 1967-3-18 292 Los Angeles San Clemente Island. Comment
Read comments
May 16 2008
  CHSC3728  Acmispon glaber Sue Boergadino 1966-5-10 Los Angeles San Raphael Mts. 213 Comment
  SBBG120134  Acmispon glaber A. C. Sanders, M. Elvin et al 2003-4-14 25966 Los Angeles hills immediately SW of Magic Mtn, just across dirt service rd, S of Santa Clara River, Newhall Ranch 351 Comment
  SD234952  Acmispon maritimus A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al 2003-4-28 26135 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Re., near Castaic Lake dam. 487 Comment
  LA99389  Acmispon maritimus var. maritimus Walt Westman; E. R. Hobbs 1979-3-30 sn Los Angeles Santa Monica Mountains, Leo Carrillo State Park, Site #1 45 Comment
  CHSC95491  Acmispon parviflorus LeRoy Gross; Naoimi Fraga 2002-5-16 542 Los Angeles Transverse Ranges; San Gabriel Mountains: (Angeles National Forest road survey of 2002) Van Tassel road a short distance southeast of White Saddle. 976 Comment
  SBBG127528  Acmispon strigosus M. L. Hoefs, S. A. Junak, L. Stratton 1998-3-21 2806 Los Angeles hillside above upper Cape Cyn 359 Comment
  LA211181  Acmispon wrangelianus Arthur C. Gibson; 2009-4-1 5388 Los Angeles SANTA MONICA MOUNTAINS, Behind fire station, Cornell Rd., Augora Hills. Comment
  CAS-BOT-BC29208  Acourtia microcephala P. C. Everett; E. K. Balls 1959-6-29 23874 Los Angeles Stokes Canyon, Santa Monica Mountains 152 Comment
  RSA471674  Acourtia microcephala C. Epling 1931-5-30 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains. Comment
  SBBG12920  Acourtia microcephala E. R. Blakley 1962-10-4 5396 Los Angeles Ironwood Gully, S of Catalina Harbor at the isthmus 167 Comment
  RSA11728  Adenostoma fasciculatum Fay A. MacFadden 1929-6-4 1073 Los Angeles Verdugo Mountains: Tuna Canyon. Comment
  UC1127709  Adenostoma fasciculatum A. D. Gifford 1934-4-24 157 Los Angeles 2 mi. n.e. Castro Peak; Triunfo Pass Quad. Comment
  UC72959  Adenostoma fasciculatum unknown May 1902 Los Angeles foothills near Los Angeles and Pasadena Comment
  UCR125151  Adenostoma fasciculatum A. C. Sanders, Mark Elvin 2002-6-18 25129 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  UCR155606  Adenostoma fasciculatum A. C. Sanders 2005-5-11 30141 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
  RSA0124091  Adenostoma fasciculatum Louis C. Wheeler 1967-7-15 10012 Los Angeles West end. Waterman Mt. 61 Comment
  RSA390487  Adenostoma fasciculatum var. fasciculatum L. E. Hoffman 1931-11-9 s.n. Los Angeles San Gabriel Mountains: Millards Canyon, Angeles National Forest. Comment
  RSA650082  Adenostoma fasciculatum var. fasciculatum T. Strid 1971-5-15 s.n. Los Angeles Tujunga Cyn. Comment
  LA201781  Adenostoma sparsifolium Arthur C. Gibson; 2003-7-23 4850 Los Angeles Comment
  LA34177  Adenostoma sparsifolium Peter H. Raven; Henry J. Thompson 1959-9-20 14492 Los Angeles 304 Comment
  RSA602471  Adiantum capillus-veneris Scott D. White 1997-5-8 5078 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below Morris Dam. 244 Comment
  RSA729332  Adiantum capillus-veneris R. G. Swinney 1999-7-28 7574 Los Angeles East Fork San Gabriel River Canyon, c. 400 m north of Allison Gulch. 732 Comment
  UCR256156  Adiantum jordanii R. G. Swinney 2010-6-4 13051 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, Botany Trail Loop, from Nature Center to the NE in a ravine and along ridgetop to its south, parallel and to the south of Placerita Canyon Rd. 512 Comment
  RSA651159  Adiantum jordanii Hurley, Witt, Smith, Prieur, Goebel 1949-2-7 s.n. Los Angeles Santa Anita Canyon. 487 Comment
  UCR51314  Aeonium arboreum A. C. Sanders 1988-2-3 7597 Los Angeles Pacific slope, El Segundo Dunes, west of Los Angeles International Airport & Pershing Drive, east of Vista Del Mar Blvd. 30 Comment
  SDSU6840  Ageratina adenophora Gerald Collier 1951-5-5 8816 Los Angeles Santa Anita Canyon, San Gabriel Mtns. 2 miles up-canyon from bottom of Chantry FlatsTrail - near stream. Comment
  JEPS22755  Agnorhiza ovata Rimo Bacigalupi with Reino Alava 1958-7-20 6409 Los Angeles Charlton Flat, close to Angeles Crest Highway San Gabriel Mountains, Angeles National Forest 1623 Comment
  UCR255504  Agoseris grandiflora Dan S. Cooper 2014-5-19 514- 12 A Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, east slope of Beacon Hill, east of Fern Cyn. 190 Comment
  RSA0101277  Agoseris retrorsa R. G. Swinney 2011-6-22 15262 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
  RSA628820  Agoseris retrorsa Scott D. White, David E. Bramlet 1998-6-29 6810 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness; 4-mile closed section of Hwy. 39 from ca. 1.6 miles W of jctn. Crystal Lake access road to jct. Hwy 2. 1707 Comment
  CLARK-A1528-1281  Agrostis diegoensis John C. Roos 1939-6-8 Los Angeles Burbank Comment
  RSA233724  Agrostis exarata R. F. Thorne, Larry E. DeBuhr 1972-8-18 42240 Los Angeles San Gabriel Mountains, Angeles National Forest: Buckhorn Station along Angeles Crest Highway 2061 Comment
  RSA384961  Agrostis exarata Bonnie C. Templeton 1932-7-21 5012 Los Angeles Big Pines Park, San Gabriel Mountains. 2092 Comment
  RSA732945  Agrostis exarata R. G. Swinney 1999-8-14 7625 Los Angeles San Gabriel Mtns.: Upper Fish Fork San Gabriel River, c. 0.9 air mi. east of Upper Fish Fork Campground, 1.4 air mi WSW of Dawson Peak 2146 Comment
  RSA584113  Ailanthus altissima Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-11 2996 Los Angeles Big Rock Creek: just above the confluence of Holcomb Canyon Creek, between Big Rock Creek Road and the mouth of Holcomb Canyon. 1255 Comment
  RSA469450  Aliciella lottiae Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  POM13510  Allium campanulatum F. W. Peirson 1922-7-5 3192 Los Angeles 0.5 mile east of Big Pines, San Gabriel Mtns. 2027 Comment
  RSA0073266  Allium fimbriatum var. fimbriatum Orlando Mistretta, Christine Mistretta 2005-4-21 2071 Los Angeles Transverse Ranges; San Gabriel Mountains region: Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station. 1341 Comment
  RSA70178  Allium fimbriatum var. fimbriatum F. W. Peirson 1919-5-10 425 Los Angeles Arrastre, San Gabriel Mountains 854 Comment
  UCR98791  Allium fimbriatum var. fimbriatum Steve Boyd, Lauren Raz 1997-5-1 9689 Los Angeles Liebre Mtns region, Sierra Pelona ridgeline, W summit of Mt. McDill (transit site 'Mint') on the divide between Maple & Letteau canyons. 1573 Comment
  SBBG845  Allium fimbriatum var. mohavense H. and M. Dearing 1941-5-10 4645 Los Angeles near Big Rock Crk Comment
  UC3119  Allium lacunosum var. davisiae A. Davidson Los Angeles Harold Mohave Region, Harold Comment
  CAS-BOT-BC472945  Allium monticola John Thomas Howell 1947-7-18 23387 a Los Angeles Blue Ridge, San Gabriel Mts. 2590 Comment
  UCSB753  Allium praecox H., J. 1943-4-3 Los Angeles San Dimas Exp. Forest; Way Hill, Gladstone Ave. Comment
  SBBG125524  Allophyllum gilioides subsp. violaceum A. Parikh, N. Gale 2010-6-15 3289 Los Angeles upper Big Tujunga Cyn, 0.2 km ENE of Shortcut Station, 0.7 km N of St Hwy 2, San Gabriel Mtns 1305 Comment
  LA52306  Allophyllum glutinosum Carl Epling; L. Ellison 1929-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  PASA65  Alnus rhombifolia Annetta Carter 1929-1-1 Los Angeles Big Santa Ana Stream bed Comment
Read comments
May 21 2015
  POM247865  Alnus rhombifolia Joseph A. Ewan 1936-8-2 9906 Los Angeles Mescal Canyon 1616 Comment
  RSA452786  Alnus rhombifolia Donald R. Bissing 1973-4-20 44 Los Angeles Evey Canyon, San Gabriel Mountains. at base of canyon 0.8 mile from mouth of canyon. 732 Comment
  SEINET5783471 Image available Alnus rhombifolia Marcus E. Jones 1882-1 2864 Los Angeles Pasadena Comment
  RSA0082412  Amaranthus albus R. G. Swinney 2010-9-7 13678 Los Angeles Crystal Lake, within 50 ft. of shore line around the entire perimeter. 1683 Comment
  SBBG126259  Amaranthus palmeri A. C. Sanders with T. B. Salvato, M. Provance 2009-5-28 36991 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
  RSA608869  Amaranthus retroflexus L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon, Blum Ranch. 884 Comment
  POM155794  Amblyopappus pusillus M. B. Dunkle 1928-4-22 1886 Los Angeles Buttonshell, Santa Catalina Island. 30 Comment
  RSA533958  Amblyopappus pusillus Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5197 Los Angeles San Clemente Island: 1300ft NNW of Guds (888') marker. 241 Comment
  RSA659730  Amblyopappus pusillus Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-3 87 Los Angeles San Clemente Island. Comment
  SD129576  Ambrosia acanthicarpa A. C. Sanders 1987-12-4 7569 Los Angeles El Segundo Dunes, immediately west of L. A. International Airport and Pershing Dr. Comment
  POM294254  Ambrosia acanthicarpa Lyman Benson 11555 Los Angeles Claremont. Pacific slope. 366 Comment
  RSA587172  Ambrosia acanthicarpa Orlando Mistretta 1995-10-2 1931 Los Angeles San Gabriel Mountains: Little Rock Creek. Upstream from Basin Campground 1037 Comment
  RSA158320  Ambrosia chamissonis Peter H. Raven 1962-4-11 17288 Los Angeles On large dune north of a point due west of Wall 2, San Clemente Island. 9 Comment
  UCR255482  Ambrosia confertiflora Dan S. Cooper 2014-6-4 614- 15 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Weidlake Dr., SE of Hollywood Reservoir 201 Comment
  RSA189413  Ambrosia psilostachya L. S. Rose 1966-12-24 66115 Los Angeles Westwood Village. 122 Comment
  CAS-BOT-BC272931  Ambrosia salsola Timothy S. Ross 1991-4-28 4778 Los Angeles Adobe Mountain: southwesterly extension of the mountain 975 Comment
  CAS-BOT-BC142550  Amelanchier utahensis P. Parnay 1911-6-1 s.n. Los Angeles Santa Ana Canyon 2286 Comment
  RSA640742  Amorpha californica L. C. Wheeler 1931-7-3 s.n. Los Angeles Base of San Gabriel Mountains: San Dimas. Comment
  JEPS57332  Amorpha californica var. californica L. R. Heckard 1968-5-11 1843 Los Angeles along Hwy 6 1.3 mi below Newhall junction (se of Newhall) 518 Comment
  UC284778 Image available Amsinckia intermedia P. A. Munz 1923-4-10 6698 Los Angeles wall of canyon s Lemon Tank; San Clemente Island Comment
  POM3914  Amsinckia intermedia I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough . [locality name change to Laguna Dominguez ] Comment
  SFV22094  Amsinckia menziesii P. J. De Vries 2011-6-16 7772 Los Angeles San Gabriel Mountains Southwest portion of Liebre Mountains. About 0.33 air miles west-northwest of the intersection of San Francisquito Canyon Road and Riverview Road, north of the city of Santa Clarita in low hills just west of San Francisquito Creek. 427 Comment
  RSA0091060  Amsinckia spectabilis var. spectabilis P. H. Raven 1962-4-11 17262 Los Angeles San Clemente Island: sandy beach due west of Wall 2. 9 Comment
  RSA586290  Amsinckia tessellata var. tessellata Orlando Mistretta 1995-3-14 1535 Los Angeles Little Rock Creek Management Unit; Emma section of Little Rock Creek Management Unit. 1128 Comment
  PASA1  Anagallis arvensis Sally Ellis 1939-4-7 Los Angeles Puddingstone Dam Comment
  LA201854  Anagallis arvensis Arthur C. Gibson; 2003-4-15 4986 Los Angeles Simi Hills, Box Canyon, along hiking trail along Box Canyon Rd, ca 0.5 km S of Pioneer Pass 496 Comment
  SBBG63205  Ancistrocarphus filagineus R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  UCR192594  Ancistrocarphus filagineus A. C. Sanders 2008-4-10 34837 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM 'Pine 1006 Comment
  RSA0051546  Anemopsis californica L. Haines 1949-6-20 s.n. Los Angeles Horse Camp Canyon, Liebre Mt. Comment
  UCR191317  Anisocoma acaulis R. G. Swinney 1998-7-2 6258 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR194310  Anisocoma acaulis R. G. Swinney 1999-5-1 7090 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
  CATA333  Anthemis cotula Mark L. Hoefs 1973-7-13 372 Los Angeles Santa Catalina Island: Middle Ranch Canyon just above reservoir, on north side of main road 236 Comment
  SD113041  Anthemis cotula Darley F. Howe 1915-6-3 Los Angeles Claremont Comment
  LA201687  Antirrhinum coulterianum Arthur C. Gibson; 2003-6-8 4836 Los Angeles SANTA MONICA MOUNTAINS, above Stunt Rd, 0.6 km E of Mulholland Rd. Comment
  RSA517131  Antirrhinum coulterianum Tim S. Ross, Steve D. Boyd 1990-5-14 2496 Los Angeles San Gabriel Mts.: Yerba Buenda Ridge, Angeles National Forest, Tujunga Ranger District. 1143 Comment
  UC1293692  Antirrhinum kelloggii P. C. Everett and E. K. Balls 1959-6-2 23847 Los Angeles 1 mi ne entrance to Stokes Canyon; Santa Monica Mts. 182 Comment
  RSA225694  Antirrhinum multiflorum Robert F. Thorne, Arthur C. Gibson 1971-5-22 39766 Los Angeles San Gabriel Mts., Angeles National Forest: upper Fish Canyon near Falls 396 Comment
  CAS-BOT-BC226797  Aphanes occidentalis Tim Ross; Janet Takara; Stacey Otte 1993-4-25 6966 Los Angeles Santa Catalina Island: head of south fork Descanso Canyon 207 Comment
  RSA232825  Aphanisma blitoides R. F. Thorne 1966-4-16 36044 Los Angeles San Clemente Island: c. 1/2 mile SSE of Eel Point, SW side of island 2 Comment
  SD66896  Aphanisma blitoides R. Mitchel Beauchamp 1967-3-17 240 Los Angeles San Clemente Island, east of Wilson Cove Comment
  RSA0019004  Apocynum cannabinum Steve Boyd, Valentin Arvizu, R. E. Riefner 2006-9-21 11686 Los Angeles Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  SBBG58620  Apocynum cannabinum R. Hoffmann 1928-7-7 Los Angeles Acton Comment
  IRVC26650  Apocynum cannabinum var. glaberrimum L. C. Wheeler 1932-6-13 816 Los Angeles San Dimas Canyon. Transverse Ranges, San Gabriel Mountains 534 Comment
  UCR210158  Aquilegia formosa R. G. Swinney 2008-8-13 9359 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  UC1922367  Arabidopsis thaliana Valerie Soza, Bill Hogshead 2003-4-23 1640 Los Angeles Transverse Ranges; Verdugo Mountains region; Brand Park, Brand Canyon. 457 Comment
  RSA0125854  Arabis R. G. Swinney 2009-5-27 10870 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  UC64652  Arabis glabra H. M. Hall Jun 3 1900-Jun 6 1900 1512 Los Angeles Swartout Canyon San Antonio Mountains 1981 Comment
  UCR230252  Arabis glabra Dan S. Cooper 2011-4-28 411- 3 Los Angeles San Gabriel Valley/San Gabriel Mtns. Foothills, Padua Park, off Padua Ave. near Claremont 559 Comment
  UCR256881  Araujia sericifera R. G. Swinney 2010-8-16 13538 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  CAS-BOT-BC128634  Arbutus menziesii Le Roy Abrams 1901-4-13 1515 Los Angeles Wilson's Trail 914 Comment
  RSA300708  Arceuthobium californicum James R. Shevock 1974-10-5 3881 Los Angeles Along trail to Mt. Baden-Powell in the vicinity of Lamel Springs. San Gabriel Mountains. Angeles National Forest. 2361 Comment
  RSA639749  Arceuthobium californicum Louis C. Wheeler 1946-8-25 6235 Los Angeles San Gabriel Mountains; Pine Flats, north end. 1829 Comment
  RSA639751  Arceuthobium campylopodum Louis C. Wheeler 1946-8-25 6240 Los Angeles San Gabriel Mountains; Pine Flats. 1829 Comment
  SBBG78841  Arctostaphylos catalinae C. B. Wolf 1932-5-13 3626 Los Angeles 3.5 mi (by rd) from Avalon on way to isthmus 365 Comment
  UC1871322  Arctostaphylos catalinae T. S. Ross 1993-4-21 6859 Los Angeles Channel Islands; Santa Catalina Island; SW part of the island in the vicinity of Cactus Peak (1560 ft); slope and small ridges N of Cactus Peak summit 402 Comment
  RSA626671  Arctostaphylos glandulosa Allen Massihi, Jon E. Keeley 1992-7-27 15780 Los Angeles Santa Clara Divide Road (3N17), 8-10 km off Sand Canyon Road, San Gabriel Mountains. 1000 Comment
  RSA631220  Arctostaphylos glandulosa Jon E. Keeley, Melanie Baer-Keeley 1992-10-11 21971 Los Angeles Liebre Mountains, 1.5 km east of Bear Campground. 1700 Comment
  RSA652398  Arctostaphylos glandulosa G. F. Orr 1956-3-12 s.n. Los Angeles Topanga Canyon. 426 Comment
  UCR270893  Arctostaphylos glandulosa subsp. glandulosa R. G. Swinney 2011-6-14 15134 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  RSA756138  Arctostaphylos glandulosa subsp. glaucomollis Orlando Mistretta, Christine Mistretta 2008-4-23 2522 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
  RSA626839  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Melanie Baer Keeley 1992-10-15 22116 Los Angeles Glendora Ridge Rd., 7 km southwest of Baldy Rd., San Gabriel Mtns. 1410 Comment
  UCSB4773  Arctostaphylos glandulosa subsp. mollis Decker, Helen 1946-4-14 Los Angeles Arroyo Seco Canyon near Switzer's Camp 1036 Comment
  CAS-BOT-BC39304  Arctostaphylos glauca Joseph Andorfer Ewan 1937-8-15 10960 Los Angeles San Gabriel Mts., Jct. of no. fork with west fork of San Gabriel River. 518 Comment
  RSA0039462  Arctostaphylos glauca R. G. Swinney 2010-6-21 13253 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail. 561 Comment
  RSA631451  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16029 Los Angeles Ridge Route, 18 km south of Liebre Gulch turnoff. 900 Comment
  RSA631495  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20190 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA631596  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-6-18 15606 Los Angeles Angeles Forest Highway, 1 km south of Hidden Springs Cafe. 850 Comment
  RSA631618  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15957 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA631692  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20189 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  UC1584685  Arctostaphylos glauca Jerry Powell 1986-4-17 1493 Los Angeles ca 1 mi nw Castaic; Big Oak Flat Comment
  RSA0087362  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16045 Los Angeles Ridge Route, 9 km south of Liebre Gulch turnoff, Liebre Mountains. 1000 Comment
  RSA70414  Arctostaphylos parryana F. W. Peirson 1942-10-15 13434 Los Angeles hillt top at Charlton Flats Comment
  RSA634341  Arctostaphylos parryana subsp. parryana Jon E. Keeley 1992-10-15 22080 Los Angeles Entrance to Crystal Lake Recreation Area, San Gabriel Mountains. 1720 Comment
  RSA634359  Arctostaphylos parryana subsp. parryana Jon E. Keeley, Allen Massihi 1992-8-21 20625 Los Angeles Angeles Crest Highway, 1.7 km north of Sulphur Springs Road, San Gabriel Mountains. 1890 Comment
  RSA634752  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20382 Los Angeles Road to Pacifico Mtn., 0.5 km east of Mill Creek Summit, San Gabriel Mtns. 1500 Comment
  RSA634827  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22015 Los Angeles Dirt road between Chilao and Mill Creek Summit, 2.7 km E of turnoff to Pacifico Mtn., San Gabriel Mtns. 1825 Comment
  RSA634848  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20541 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA635127  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20288 Los Angeles Road to Mt. Gleason, 200 m west of Mill Creek Summit. 1490 Comment
  RSA635148  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22034 Los Angeles Dirt road between Chilao and Mill Creek Summit, 2.7 km E of turnoff to Pacifico Mtn., San Gabriel Mtns. 1825 Comment
  RSA635263  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20658 Los Angeles Angeles Crest Hwy., Eagle Roost Picnic Ground, 3.5 km west of old road to Crystal Lake. San Gabriel Mtns. 2030 Comment
  UCR189994  Arenaria douglasii R. G. Swinney 1998-6-16 6977 Los Angeles San Gabriel Mtns., ridge c. 400 m SE of summit of Lookout (Antonio) Mtn. 1854 Comment
  UCR205928  Arenaria douglasii R. G. Swinney 2008-5-5 8774 Los Angeles San Gabriel Mtns., Punchbowl Canyon at north boundary of Devils Punchbowl County Park, confluence of East and West Forks of Punchbowl Cyn, 0.3 mi. south of Big Rock Creek 1256 Comment
  SD42002  Arenaria macradenia Darley F. Howe 1947-5-4 Los Angeles East of Mint Canyon. Comment
  UCR190125  Arenaria nuttallii subsp. gracilis R. G. Swinney 1998-8-27 6802 Los Angeles San Gabriel Mtns., ridge due north of Big Horn Ridge and south of San Antonio Ridge, above Coldwater Canyon 2652 Comment
  SBBG70089  Argemone munita R. Hoffmann 1929-5-22 Los Angeles Del Sur Comment
  POM305757  Argemone munita Henry J. Ramsey, Henry J. Ramsey 1937-6-27 936 Los Angeles Liebre Mountains, Angeles National Forest. Comment
  UCR161204  Arida carnosa T. B. Salvato, Melissa Clemons 2005-9-27 1232 Los Angeles West Mojave Desert, western edge of the Lancaster Sewage Disposal Ponds near the intersection of Hwy 14 and Avenue D, c. 4 miles SW of Rosamond (dry) Lake 704 Comment
  SEINET10901426  Aristida californica Carl C. Epling Epling s.n. Los Angeles Whitewater Pass near Palm Springs. Comment
  SD181777  Aristida purpurea var. parishii LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 400 Los Angeles LA Basin, Vedugo Mtn Reg, NW side, N of Ledge Ave & Tuxford St, W of McDonald Ck, City of Sun Valley; Burbank [quad]. On ridge that runs down to mouth of McDonald Ck, on W side of creek, on sunny S-facing slope on hill to E of ridge. 366 Comment
  RSA385027  Aristida ternipes var. gentilis George B. Grant 1905-4-2 s.n. Los Angeles Altadena Comment
  POM306250  Artemisia californica Henry J. Ramsey, Henry J. Ramsey 1939-1-1 I 370 Los Angeles Eaton Canyon, Altadena. Comment
  RSA0011376  Artemisia californica Orlando Mistretta, Kristie Haydu 2011-7-19 5951 Los Angeles Kentucky Springs Cyn. Along Southern California Edison transmission line corridor, 0.5 air miles W of Angeles Forest Hwy, 0.3 air miles N of Angeles National Forest Boundary. 1081 Comment
  RSA128060  Artemisia californica Peter H. Raven, Henry J. Thompson 1959-10-31 14727 Los Angeles Mandeville Canyon 2.7 miles north of Sunset Boulevard. 259 Comment
  RSA616143  Artemisia californica L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon approximately 1/2 mile east of Blum Ranch. 945 Comment
  SBBG12862  Artemisia californica E. R. Blakley 1962-1-7 4836 Los Angeles Pebbly Beach Comment
  UCR125926  Artemisia californica A. C. Sanders, Mark Elvin 2002-6-19 25196 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 366 Comment
  UCSB23175  Artemisia douglasiana McMinn, Howard 1924-7-12 Los Angeles Near Whittier, Calif. Comment
  RSA608269  Artemisia dracunculus L. C. Wheeler 1933-8-5 2047 Los Angeles Santa Monica Mountains; North side; 5 miles E of Calabasas 305 Comment
  UCR133736  Artemisia dracunculus F. R. Fosberg 1931-7-11 S- 5384 Los Angeles Channel Islands, Cape Canyon, Santa Catalina Island 230 Comment
  CAS-BOT-BC97278  Artemisia tridentata subsp. parishii Philip A. Munz 1923-11-11 7802 Los Angeles Newhall Comment
  CHSC21883  Asclepias californica Robert A. Schlising 1972-6-1 3039 Los Angeles West of Palmdale along Bouquet Canyon Road and 3.7 mi E of jct with Spunkey Canyon Road and Bouquet Reservoir. Comment
  POM155623  Asclepias curassavica M. L. Bryan 1928-7-28 17 Los Angeles Mandeville Canyon, near Santa Monica. 152 Comment
  SEINET10580452  Asclepias eriocarpa Victor Duran 1933-7-25 Duran 3532 Los Angeles Buckhorn, San Gabriel Mountains 1981 Comment
  RSA0108549  Asparagus officinalis Hester Jewell 1912-6-12 79 Los Angeles Claremont Comment
  UC1595281  Asparagus officinalis subsp. officinalis Tim Ross 1991-5-17 6382 Los Angeles 870 m distant, 21 degrees nne East Fork Station (n end of Heaton Flat area, East Fork of the San Gabriel River); San Gabriel Mts., Heaton Flat 633 Comment
  LA200066  Aspidotis californica Lawrence L. Kiefer; 1966-3-12 1718 Los Angeles SANTA MONICA MOUNTAINS, Tuna Canyon, Tuna Canyon Road, ca 3 mi above Hwy 1, ravine just W of road. 289 Comment
  RSA686312  Aspidotis californica G. R. Proctor 1944-02 782 Los Angeles Sepulveda Canyon Comment
  UCR270977  Aspidotis californica R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14349 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg. ) NNW of the trailhead 451 Comment
  LA202863  Asplenium vespertinum Lawrence L. Kiefer; 1966-11-12 2530 Los Angeles San Gabriel Mountains, Iron fork of the E. fork of the San Gabriel River, ca. 0.5 mi up from the Iron Fork Camp 1036 Comment
  RSA417667  Aster greatae Geo L. Moxley 1915-9-6 448 Los Angeles Spanish canyon, NE from Monrovia. Comment
  RSA417650  Aster subulatus var. ligulatus L. C. Wheeler 1933-9-28 2140 Los Angeles Puddingstone Diversion Channel, La Verne. 305 Comment
  LA31682  Aster subulatus var. ligulatus Peter H. Raven; Henry J. Thompson 1959-9-6 14366 Los Angeles Santa Monica Mountains, Malibu Creek, mouth of creek 6 Comment
  POM4790  Aster subulatus var. ligulatus I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] Comment
  SEINET255354  Astragalus didymocarpus A. C. Sanders, Mark Elvin 2003-4-14 25970 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills immediately southewest of Magic Mountain, just across dirt service road, south of Santa Cara River 351 Comment
  SD215514  Astragalus didymocarpus var. didymocarpus Steve Boyd, Lauren Raz and Timothy S. Ross 1997-4-1 9484 Los Angeles Liebre Mountains Region; upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of Osito Flat. 792 Comment
  SD60381  Astragalus douglasii Peter H. Raven 1957-6-16 10924 Los Angeles 0.4 mile south of the sumit of Tejon Pass, Tehachapi Mountains. Comment
  CAS-BOT-BC178346  Astragalus gambelianus Geo. B. Grant 1904-5-23 75 a Los Angeles Saugus Comment
  RSA595872  Astragalus gambelianus T. S. Ross, Victor W. Steinmann 1995-5-8 8538 Los Angeles Bouquet Canyon: along Bouquet Canyon Road near Bouquet Campground No. 3. 735 Comment
  UCR274104  Astragalus gambelianus Steven A. Junak, Mark Hoefs, Keri Kirkland, Janet Takara 1998-5-1 SCa- 593 Los Angeles California Islands, Santa Catalina Island, north of Airport Road, near abandoned road to ridge with Whitley's Peak, c. 0.15 miles from main road 427 Comment
  UC1215202  Astragalus miguelensis Peter H. Raven 1962-7-12 18028 Los Angeles near point at e end Northwest Harbor (San Clemente Island); , e end Northwest Harbor 30 Comment
  CAS-BOT-BC194002  Astragalus trichopodus var. lonchus Grant 1900-3-28 2361 Los Angeles Avalon, Sta. Catalina Is. Comment
  RSA592369  Astragalus trichopodus var. lonchus Mark Hoefs 1973-3-13 77 Los Angeles Santa Catalina Island. Upper Avalon Canyon below Memorial Garden. 168 Comment
  SEINET3371879  Astragalus trichopodus var. lonchus G. Rink 2011-6-3 10589 Los Angeles Hills east of Diamond Bar 244 Comment
  CAS-BOT-BC199090  Astragalus trichopodus var. phoxus Timothy S. Ross 1995-4-7 8348 Los Angeles 3.95 miles N of its junction with Lake Hughes Road, W of Castaic Lake on ridge dividing Marple Canyon from Grasshopper Canyon, Old Ridge Route - Liebre Mountains 630 Comment
  OBI13296  Astragalus trichopodus var. phoxus Robert J. Rodin 1953-5-17 5824 Los Angeles Near hwy 101, 3 mi S of Gorman Comment
  CAS-BOT-BC200837  Astragalus trichopodus var. trichopodus F. M. Reed 1909-7-2 s.n. Los Angeles Pebbly Beach - Catalina Island 15 Comment
  RSA591913  Athysanus pusillus L. C. Wheeler 1967-5-2 9262 Los Angeles Liebre Mountains. North side of northwestern most end of foothills (of San Gabriel Mts.) between Bouquet Junction and Bonelli Ranch. 366 Comment
  LA30868  Atriplex californica Peter H. Raven; Jane Turner, Barbara Whitesel 1959-3-15 c 160 Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  UCD97272  Atriplex californica Daryl Koutnik 1978-4-28 412 Los Angeles Zuma Beach at Point Dume. 45 Comment
  RSA6641  Atriplex confertifolia C. B. Wolf 1932-9-15 1549 Los Angeles About 2 blocks west of center of town of Lancaster. Antelope Valley, Mojave Desert. 718 Comment
  CAS-BOT-BC172643  Atriplex coulteri Alice Eastwood 1917-7-20 6516 Los Angeles Santa Catalina Island Comment
  CATA3377  Atriplex coulteri Peter J. Dixon 2016-5-12 053 Los Angeles Santa Catalina Island: Lower Coffeepot Canyon, 110 m east of red ridge rd. 530 m north of Pacific Ocean 200 Comment
  RSA0002482  Atriplex johnstonii C. B. Wolf 1930-12-23 1821 Los Angeles Coastal bluffs at Playa del Rey 30 Comment
  SD69364  Atriplex leucophylla Robert F. Thorne, P. Everett 1965-5-11 34593 Los Angeles Santa Catalina Island; north side of north cove of Little Harbor. 3 Comment
  UC1234640  Atriplex leucophylla Peter H. Raven 1962-4-11 17295 Los Angeles sandy beach behind Northwest Harbor (San Clemente Island); , behind Northwest Harbor 3 Comment
  UCR95526  Atriplex rosea L. C. Wheeler 1946-8-28 6278 Los Angeles San Gabriel Mtns., Mescal Creek, just about (S of) Appletree Flat 1884 Comment
  CATA43  Atriplex semibaccata USC Wrigley Interns: Miller Zou, Daniel Kasang, Alexandria Cheung, Sabrina Lawrence-Gomez, Sarah Ratay 2011-7-8 24 Los Angeles Santa Catalina Island: Deer Valley Trail 62 Comment
  RSA594198  Atriplex semibaccata Steve Boyd, Lauren Raz 1996-10-14 9051 Los Angeles Liebre Mountains region, Agua Dulce Canyon, just north of Highway 14 and the confluence with Escondido Canyon, along Agua Dulce Canyon Road. 671 Comment
  SBBG95447  Atriplex semibaccata M. B. Dunkle 1928-10-7 2000 Los Angeles Middle Ranch Cyn Comment
  RSA453973  Atriplex watsonii Anstruther Davidson 1896-10 2940 Los Angeles San Pedro. Comment
  SD90505  Avena barbata Robert F. Thorne 1966-4-17 36145 Los Angeles San Clemente Island, near Lemon Tank, south of Nanny, northeast side of island. 305 Comment
  UCR183997  Avena barbata A. C. Sanders 2007-4-19 33439 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  LA10993  Avena barbata Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  CAS-BOT-BC145908  Avena fatua George B. Grant 1905-4-30 86 Los Angeles Pasadena. Comment
  UCR137143  Avena fatua Anstruther Davidson 1917-1 3217 Los Angeles Alvarado St.[crosses Wilshire Blvd. at Macarthur Park], Los Angeles 122 Comment
  SEINET10514060  Avena fatua H. Lewis 1941-3-19 Lewis s.n. Los Angeles Faculty hill, ucla campus. Comment
  CAS-BOT-BC53696  Azolla filiculoides Peter Raven 1962-5-22 17853 Los Angeles Channel Islands, Santa Catalina Island - Middle Creek about 1 mile below Ranch. Comment
  IRVC28560  Baccharis douglasii A. C. Sanders 2003-8-6 27116 Los Angeles Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters NE end of Santa Susana Mtns. 320 Comment
  UCR209679  Baccharis pilularis Dan S. Cooper 2009-1 109- 22 Los Angeles Los Angeles Basin, Compton, west of McKinley Ave. and north of Rosecrans Ave., SW of brickyard 35 Comment
  LA31673  Baccharis salicifolia Peter H. Raven; 1959-9-6 14383 Los Angeles Santa Monica Mountains, at mouth of Malibu Creek 12 Comment
  RSA611982  Baccharis salicifolia Valerie L. Soza, Laura Moore 1997-8-16 59 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard. [Coordinates given are] at center of BFS; ca. 10 feet east of fire road. 412 Comment
  UCR200148  Baccharis salicifolia Valerie Soza, Shalini Deo, Stephen Dreher 2000-4-27 802 Los Angeles Verdugo Mountains, south side, Wildwood Canyon, Wildwood Canyon Park, at end of paved Wildwood Canyon Road at junction with fire road 488 Comment
  LA212453  Baccharis salicina L. E. Hoffman; 1963-7-7 s.n. Los Angeles Santa Monica Mountains National Recreation Area, Malibu Lagoon. Comment
  RSA0051683  Baccharis viminea Lee Haines 1935-7-3 s.n. Los Angeles San Gabriel Mountains - Dalton Canyon. Comment
  RSA355901  Bassia hyssopifolia R. F. Thorne 1975-9-4 47383 Los Angeles Santa Catalina Island: Fisherman s Cove; campus of USC Marine Science Center. Comment
  UCR119053  Bassia hyssopifolia Jeremiah George 2000-1 s.n. Los Angeles South Coastal Plains Region, Rancho Palos Verdes Estates, Malaga Cove 1 Comment
  UC1126302  Berberis aquifolium var. dictyota Jerome S. Horton 1937-4-22 433 Los Angeles stream below Tanbark; Pomona Quadrangle 792 Comment
  UC68606  Berberis nevinii H. M. Hall July, 1905 6715 Los Angeles along SPRR a few mi se Fernando Comment
  SBBG32154  Bergerocactus emoryi R. N. Philbrick with R. F. Thorne 1967-3-19 B 67 -233 Los Angeles Indian Head Pt Comment
  SEINET9119242  Bergerocactus emoryi F. Boutin 1967-1 1697 Los Angeles San Clemente Island: W side of island, near Eel Pt. Comment
  UC30570  Bidens pilosa J. H. Barber 1897-5-24 158 Los Angeles Exp't Station, Santa Monica Santa Monica, Exp't Station Comment
  RSA647858  Bidens pilosa var. pilosa LeRoy Gross, Laura Moore 2000-6-5 213 Los Angeles Verdugo Mountains: Brand Canyon, a short distance above the cemetery 350 Comment
  OBI2624  Bituminaria bituminosa Wesley O. Griesel 1962-5-28 620 Los Angeles Fire rd W of lower Millard Cyn; San Gabriel Mts 610 Comment
  RSA708602  Bloomeria crocea Valerie L. Soza, LeRoy Gross 2001-5-9 1204 Los Angeles Southern San Rafael Hills: South of western end of Scholl Canyon, West end of Valle Vista fire road, ridgetop north of Hwy 134. 297 Comment
  UC187714  Bloomeria crocea Katharine Brandegee May 17 1916-May 25 1916 Los Angeles Catalina Island Comment
  UCR155146  Bloomeria crocea A. C. Sanders 2005-5-5 29928 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, hills at SW end of Cruzan Mesa at Bench Mark 'Plum 701 Comment
  POM559  Boechera californica P. A. Munz 1918-3-23 2001 Los Angeles Wash near Palmer s Canyon. North of Claremont. Comment
  RSA0128749  Boechera californica Scott D. White, Justin M. Wood 2009-5-6 12650 -A Los Angeles San Gabriel River- West Fork, dirt road between Cogswell Dam and fill slope on the S side of Cogswell Reservoir. 726 Comment
  RSA0129470  Boechera pulchra R. G. Swinney 1998-7-2 6237 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  UCD170976  Boechera repanda R. G. Swinney 1998-7-14 6444 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, 0.2-0.3 mi. west of Camp Lupine trail. 2247 Comment
  SD197605  Bolboschoenus maritimus R. G. Swinney 2008-4-30 8699 Los Angeles Glendora, Big Dalton Canyon Debris Basin. 341 Comment
  CHSC25943  Boschniakia strobilacea James Henrickson 1971-7-3 5648 Los Angeles 12 air mi. N. of Upland, 1/2 mi. NW of top of ski lift along Devils Backbone Ridge. Comment
  UCR124251  Bowlesia incana L. C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mtns., East side of Little Tujunga Canyon, 0.75 mi SSE of Herreres Ranch 579 Comment
  RSA451999  Bowlesia incana L. C. Wheeler 1933-4-15 1637 Los Angeles San Gabriel Mountains: Foothills; W Live Oak Canyon. 488 Comment
  SBBG70952  Boykinia rotundifolia Anstruther Davidson 1893-1 Los Angeles Rock Crk Comment
  UCR108322  Boykinia rotundifolia L. C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mtns., Head of Whitney Canyon at Santa Clara Divide Road 915 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
  UCR259764  Brassica geniculata R. G. Swinney 2010-4-28 12385 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  RSA0084239  Brassica nigra Bette Wright 1942-4-25 s.n. Los Angeles Foothills, Glendale Comment
  SEINET6036304  Brassica nigra Unknown 1929-4-10 Los Angeles Long Beach. Comment
  JEPS30693  Brickellia nevinii Peter H. Raven 1961-9-24 16757 Los Angeles 1 mi n of summit above Pacoima Canyon (Sand Creek); Sand Creek 731 Comment
  RSA636095  Brickellia nevinii L. C. Wheeler 1953-9-12 7051 Los Angeles San Gabriel Mountains: South fork Big Rock Creek, near mouth. Comment
  SJSU13541  Brickellia nevinii C. W. Sharsmith 1940-8-29 4221 Los Angeles S slope San Gabriel Peak at head of Eaton Canyon, San Gabriel Mts 1524 Comment
  RSA0035087  Brodiaea coronaria Harold L. Pirie 1963-5-21 s.n. Los Angeles Santa Monica Mts., off Topanga Cyn. Blvd. on Robinson Rd. (near Haines home). 274 Comment
  UCR179296  Brodiaea filifolia R. G. Swinney 1970-5-9 0740 Los Angeles San Gabriel Mtns., Glendora, 0.6 mi N of Sierra Madre Ave., N of Pennsylvania Ave. Property formerly owned by Bender family but purchased and now being developed by Robert Hughes 366 Comment
  RSA226254  Brodiaea jolonensis Gary D. Cromwell, D. Wheat 1971-5-23 690 Los Angeles Mystic Canyon, San Gabriel Mtns., Angeles National Forest. 2 miles NE of Glendora, 549 Comment
  SEINET13203243 Image available Bromus R. G. Swinney 2011-1 15491 Los Angeles San Gabriel Mountains: "Strawberry Potrero", uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property (Chilao Flat 7.5' Q.) 1426 Comment
  RSA188109  Bromus arizonicus R. F. Thorne 1966-4-4 35789 Los Angeles Santa Catalina Island: Bird Rock, N of Isthmus Cove. 8 Comment
  SBBG12188  Bromus berteroanus P. H. Raven 1962-4-10 17185 Los Angeles Wilson Cove 60 Comment
  RSA729483  Bromus carinatus R. G. Swinney 1999-6-21 7394 Los Angeles Boulder Canyon, upper end near Hwy 2. Canyon bottom in montane coniferous forest, with weak riparian development. 1805 Comment
  SD186028  Bromus carinatus A. C. Sanders, Mark A. Elvin 2003-4-16 26044 Los Angeles Newhall Ranch, near confluence of Castaic Creek and Hasley Canyon 305 Comment
  SEINET7106150  Bromus carinatus Scott D. White 1998-6-4 6650 Los Angeles Castaic Lake area, Grasshopper Cyn watershed, between I-5 Fwy/Old Ridge Route and the lake. Proposed 'North Lake Planned Community.'; 0 427 Comment
  RSA0112845  Bromus carinatus Steven A. Junak 1999-5-8 SCa- 918 Los Angeles Santa Catalina Island. Fern Canyon, Cottonwood Canyon watershed, just upstream from fenceline. Comment
  CAS-BOT-BC149189  Bromus carinatus var. carinatus Le Roy Abrams 1901-4-1 1345 Los Angeles San Fernando Mountains. Comment
  SBBG131530  Bromus catharticus S. A. Junak 1999-7-17 SCa 1069 Los Angeles W end of "Rig Field" 213 Comment
  POM363400  Bromus diandrus Donald Tahara 1975-5-27 65 Los Angeles Puma [Piuma] Road 0.5 mile south of Malibu Canyon. Comment
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Apr 10 2014
  POM47654  Bromus diandrus F. W. Peirson 1924-5-27 4621 Los Angeles San Gabriel Mountains. North slope, Strawberry Peak. 1753 Comment
  RSA533456  Bromus diandrus Timothy S. Ross 1991-4-21 4546 Los Angeles Whittier Hills (Puente Hills, pro parte): Ridge on N side of Turnbull Canyon 305 Comment
  RSA592147  Bromus diandrus L. C. Wheeler 1967-5-8 9327 Los Angeles Liebre Mountains. Between Bouquet Junction and Bonelli Ranch. 381 Comment
  UCR179300  Bromus grandis R. G. Swinney 1989-6-27 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon, 0.7 mi. east of Glendora Mtn. Road, at 'Maple Canyon 427 Comment
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Mar 14 2017
  UCR129887  Bromus hallii Victor Duran 1933-7-20 3521 Los Angeles San Gabriel Mtns., Buckhorn 1982 Comment
  LA13776  Bromus hordeaceus A. M. Johnson; 1932-4-8 3939 Los Angeles SANTA MONICA MOUNTAINS, UCLA campus. 121 Comment
  POM155634  Bromus hordeaceus M. B. Dunkle 1928-4-10 1842 Los Angeles Santa Catalina Island. Above Parson's. 244 Comment
  RSA0085035  Bromus hordeaceus R. G. Swinney 2010-4-30 12444 Los Angeles Near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn. 537 Comment
  RSA226160  Bromus hordeaceus Gary D. Cromwell, David W. Wheat 1971-5-14 663 Los Angeles Mystic Canyon, Angeles National Forest, 2 miles NE of Glendora. 564 Comment
  SBBG106899  Bromus hordeaceus M. L. Hoefs, R. F. Thorne 1992-4-1 1734 Los Angeles rd past isthmus, just before Emerald Bay 15 Comment
  SBBG17102  Bromus hordeaceus M. Vincent 1962-5-25 255 Los Angeles Piume Rd, 2 mi E of Malibu Cyn Rd Comment
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Apr 1 2014
  SBBG97027  Bromus hordeaceus S. Boyd with T. Ross, L. Arnseth 1990-4-8 4414 Los Angeles Bryce Cyn near Malo Pt Comment
  UCR205049  Bromus hordeaceus R. G. Swinney 2008-3-31 8583 Los Angeles San Gabriel Mtns., Glendora Mountain summit 1013 Comment
  LA51659  Bromus laevipes Peter H. Raven; 1960-5-15 15354 Los Angeles Santa Monica Mountains1, Piuma Road 2.1 mi. E of Rambla Pacifica 487 Comment
  UC519878  Bromus madritensis subsp. rubens Carl Epling April, 1931 Los Angeles Santa Monica Mountains, Los Alisos Canyon Los Alisos Canyon; Santa Monica Mountains, Los Alisos Canyon Comment
  RSA364036  Bromus pseudolaevipes F. R. Fosberg 1931-4-7 S- 4501 Los Angeles Hamilton Beach, Santa Catalina Island. 10 Comment
  PASA650  Bromus rigidus Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  POM158255  Bromus rubens M. B. Dunkle 1928-3-31 1778 Los Angeles Little Harbor, Santa Catalina Island. 152 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
  RSA623783  Bromus rubens Raymond J. Dobbs 1927-4-19 169 Los Angeles Switzer's, San Gabriel Mountains. Comment
  UCR220159  Bromus rubens R. G. Swinney 2009-4-2 10263 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road 1235 Comment
  CAS-BOT-BC161407  Bromus tectorum A. D. E. Elmer 1902-7-1 s.n. Los Angeles Acton. Comment
  RSA719754  Bromus tectorum R. G. Swinney, Dave Larson 1996-7-17 5151 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1320 Comment
  SEINET3840848  Bromus tectorum Unknown 1968-4-17 Los Angeles San Gabriel Mountains 1150 Comment
  UC53322  Bromus trinii J. Burtt Davy 1896-5-20 2639 Los Angeles Leonis Valley Comment
  CATA200  Cakile maritima Mark L. Hoefs 1973-4-15 179 Los Angeles Santa Catalina Island: Ben Weston Beach 7 Comment
  JEPS17234  Calandrinia breweri J. T. Howell 1928-3-20 466 Los Angeles Vermont Canyon Los Angeles, Griffith Park Comment
  RSA151288  Calandrinia ciliata P. H. Raven 1962-4-10 17183 Los Angeles San Clemente Island. Small arroyo above Wilson s Cove 61 Comment
  RSA570199  Calandrinia ciliata Timothy S. Ross, Steve Boyd, Laurel Arnseth 1991-4-30 5037 Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash 841 Comment
  UC557716  Calandrinia ciliata Nell Murbarger 1936-3-1 108 Los Angeles mesa summit in ravines San Clemente Island Comment
  RSA158269  Callitriche marginata P. H. Raven 1962-4-12 17328 Los Angeles San Clemente Island: Wilson Cove 76 Comment
  RSA791804  Calochortus Mark Elvin, Margie P. Elvin, Katie Elvin, Andy Elvin 2003-7-1 2964 Los Angeles Western Transverse Range; Santa Susana Mountains: crest of the mountains at head of Salt Creek, 6.5 km southwest of Stevenson Ranch. 927 Comment
  RSA377240  Calochortus albus Robert L. Dressler 1949-6-18 874 Los Angeles Johnstone Peak, San Gabriel Mts. 854 Comment
  SEINET3885362  Calochortus albus K. Dobry 1991-5-11 d 209 Los Angeles Cold Creek Canyon, off Stunt Road. Santa MOnica Mountains.; 0 Comment
  CAS-BOT-BC132273  Calochortus catalinae Le Roy Abrams 1901-4-3 1266 Los Angeles Santa Monica Mts. Comment
  SEINET3884910  Calochortus catalinae K. Dobry 1991-5-4 d 264 Los Angeles Stunt Ranch, Cold Creek Canyon, Santa Monica Mountains.; 0 Comment
  UCR65200  Calochortus catalinae F. R. Fosberg 1931-4-2 S- 04456 Los Angeles Channel Islands, Santa Catalina Island, divide between Hamilton and Descanso Canyons 250 Comment
  UCD139495  Calochortus clavatus Kenneth A. Wilson 1961-4-22 1153 Los Angeles Soledad Canyon. Small burnt over canyon adjacent to Bee Canyon, north of River's End Ranch. Comment
  SEINET269177  Calochortus clavatus var. gracilis Scott D. White, Chet McGaugh 1995-5-16 3074 Los Angeles E edge of Santa Susana Mts W of San Gabriel Mts W of San Fernando Rd. I-5 Fwy SW of interchange w/SR 14 Fwy Sunshine Cyn 457 Comment
  RSA0106745  Calochortus palmeri R. G. Swinney 2011-6-14 15148 Los Angeles San Gabriel Mountains: upper Charlton Flat Campground., 0.53 air-mile SSW of the junction of Angeles Crest Hwy & Charlton Flat entrance road. 1646 Comment
  RSA369034  Calochortus plummerae M. B. Dunkle 1933-7-11 3636 Los Angeles Upper San Gabriel Canyon, above dams; Cold Brook Camp. Comment
  RSA369058  Calochortus splendens Robert L. Dressler 1949-6-19 895 Los Angeles Johnstone Peak, vicinity, San Gabriel Mts. 854 Comment
  CAS-BOT-BC132520  Calochortus striatus R. C. Barneby 1954-5-7 11365 Los Angeles 1 mi. n. of Lancaster 2350 Comment
  SBBG57799  Calochortus venustus R. Hoffmann 1927-6-13 Los Angeles Chandler's, Ridge Route (US Hwy 99) Comment
  RSA617182  Calycadenia tenella R. G. Swinney 1969-5-10 499 Los Angeles Base of San Gabriel Mts. in and near the city of Glendora. .5 mi. N of Sierra Madre Ave. at E end of Highcrest. 351 Comment
  SBBG69699  Calyptridium monandrum M. N. Ackley 1926-5-8 777 Los Angeles Little Rock 914 Comment
  UCR276908  Calyptridium monandrum R. G. Swinney 2011-3-29 14277 Los Angeles San Gabriel Mts., Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel 366 Comment
  UCR150453  Calystegia fulcrata R. G. Swinney 1999-6-21 7365 Los Angeles San Gabriel Mtns., Big John Flat 1671 Comment
  UCR240243  Calystegia macrostegia Dan S. Cooper 2012-9-6 912- 67 Los Angeles Los Angeles Basin, Culver City, Baldwin Hills Scenic Overlook 129 Comment
  RSA0114812  Calystegia macrostegia subsp. arida R. G. Swinney 2011-5-6 14622 Los Angeles San Gabriel Mountains; north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road. 793 Comment
  RSA0119672  Calystegia macrostegia subsp. arida R. G. Swinney 2014-5-21 16638 Los Angeles San Gabriel Mountains; Glendora, along ridgetop and n. side of ridge, due south of the w. fork of Harrow Cyn., n. of the terminus of Glendora Ave., along historic and un-used Whitcomb Trail, trail abandoned in early 1970's. 549 Comment
  UC1220413  Calystegia macrostegia subsp. arida G. I. Stage 1963-7-8 63 -41 Los Angeles Tanbark Flat , Tanbark Flat (San Gabriel Mountains) Comment
  SD85047  Calystegia macrostegia subsp. cyclostegia E. R. Blakley 1962-10-3 5393 Los Angeles Santa Catalina Island, east side of Black Jack Mountain at start of road to White's Landing. 409 Comment
  CHSC70522  Calystegia occidentalis subsp. fulcrata R. A. Schlising 1972-7-4 3065 Los Angeles 0.2 mi W of San Bernardino County line and Wrightwood city limit. Comment
  JEPS112755  Calystegia peirsonii Dean W. Taylor 2002-5-1 18028 Los Angeles Sierra Pelona, hillslopes flanking Anaverde Valley (4 air miles SW of Palmdale), under electrical transmission lines 1066 Comment
  RSA680398  Calystegia peirsonii Michael Honer, Dylan Hannon 2003-7-1 1836 Los Angeles Tapia Canyon area, ca. 2 - 3 air miles west of I-5 Freeway junction with Ridge Rt. Rd. 396 Comment
  RSA71096  Calystegia peirsonii F. W. Peirson 1927-5-21 7301 Los Angeles Rock Creek, north base of San Gabriel Mountains. 1524 Comment
  UCR95297  Camissonia bistorta L. C. Wheeler 1967-7-30 10265 Los Angeles San Gabriel Mtns, Big Cienega Trail Canyon 1143 Comment
  RSA465672  Camissonia bistorta Robert Gustafson 1981-3-18 2126 Los Angeles Ballona Wetlands, Area 1. Comment
  RSA466983  Camissonia bistorta L. E. Hoffman 1931-5-30 s.n. Los Angeles Cucamonga Wash Comment
  RSA774255  Camissonia boothii R. G. Swinney 2009-5-12 10750 Los Angeles lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg.) of Littlerock. 1061 Comment
  LA46759  Camissonia californica J. Warren; 1952-5-15 sn Los Angeles Santa Monica Mountains, Mulholland Drive 457 Comment
  RSA466150  Camissonia californica L. E. Hoffman 1934-5-13 s.n. Los Angeles Millard's Canyon, Angeles National Forest. [San Gabriel Mountains.] Comment
  RSA279019  Camissonia californica Robert F. Thorne, C. W. Tilforth 1971-4-9 41556 Los Angeles Angeles National Forest: below entrance to wooded area of San Dimas Canyon near San Dimas Creek. 381 Comment
  JEPS33729  Camissonia campestris Frank W. Peirson 1921-5-20 793 Los Angeles Little Rock Creek San Gabriel Mountains 1066 Comment
  UCR50985  Camissonia campestris A. C. Sanders, B. Pitzer, J. C. Lyman 1988-4-4 7773 Los Angeles Western Mojave Desert, Lancaster, near Quartz Hill, south of Ave L at 37th St. West 747 Comment
  RSA135205  Camissonia claviformis subsp. claviformis P. A. Munz 1957-5-15 22579 Los Angeles 14 miles east of Lancaster, Mojave Desert. Comment
  RSA617459  Camissonia hirtella Scott D. White, Sandy Leatherman 1998-5-19 6530 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
  RSA646983  Camissonia hirtella LeRoy Gross, Michael Honer, Lel Lubinsky 2000-4-27 176 Los Angeles San Rafael Hills: Ridgetop near lookout Tower, East of the (2) Glendale Freeway. 549 Comment
  RSA113832  Camissonia ignota Harlan Lewis 1957-4-10 1676 Los Angeles ''A'', Soledad Canyon. Comment
  SEINET2056592 Image available Camissonia strigulosa George K. Helmkamp, E. A. Helmkamp 1998-5-21 4040 Los Angeles Western Mojave Desert: Junction of Munz Ranch Rd and Lake Elizabeth Rd N of Lake Elizabeth. 1098 Comment
  UC1211085  Camissoniopsis cheiranthifolia subsp. suffruticosa Huron H. Smith 1912-5-9 4952 Los Angeles beach Redondo Comment
  CAS-BOT-BC160437  Camissoniopsis cheiranthifolia subsp. suffruticosa Dr. H. E. Hasse 1888-7-1 s.n. Los Angeles Unspecified Comment
  SD146213  Camissoniopsis hirtella A. C. Sanders, D. Malueg 1998-6-24 22085 Los Angeles 2.0 miles east of Mt. Gleason at Little Gleason Forestry Plantation on Southern Cal Edison Mesa-Vicent transmission line at tower 7-2. 1707 Comment
  SFV21988  Camissoniopsis hirtella J. N. Hogue 2011-7-23 397 .5 Los Angeles San Gabriel Mountains Camp Eaton (= old Camp Cumorah Crest). 1860 Comment
  OBI28050  Camissoniopsis ignota David J. Keil, Dirk Walters 1977-4-30 12301 Los Angeles Ridge Rte, ca 2 mi S of jctn With Los Angeles Co Rd N2 1280 Comment
  SBBG61351  Camissoniopsis pallida R. Hoffmann 1929-4-27 Los Angeles Little Rock Dam Comment
  UCR282205  Camissoniopsis pallida R. G. Swinney 2014-5-1 16320 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
  RSA0126607  Cannabis Mr. Turney 1973-11-5 77985 Los Angeles [No location data on label.] Comment
  UC855841  Cardamine californica I. W. Clokey, E. G. Anderson 1931-3-11 5323 Los Angeles San Gabriel Canyon 1200 Comment
  RSA484619  Cardamine californica var. californica E. Crow 1929-2-17 156 Los Angeles mouth of Big Dalton Canyon Comment
  RSA762452  Cardamine hirsuta R. G. Swinney 2009-2-20 10005 Los Angeles El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  RSA134769  Cardaria draba P. H. Raven, H. J. Thompson 1960-4-12 950 Los Angeles Seminole Hot Springs. 290 Comment
  RSA600844  Carex alma L. C. Wheeler 1966-9-21 8912 Los Angeles San Gabriel Mountains. Vicinity of Lily Spring, northwest slope of Mt. Hawkins. 2468 Comment
  SEINET7549325 Image available Carex alma Louis C. Wheeler 1967-5-24 9750 Los Angeles San Gabriel Mountains. Indian Canyon, near mouth. 701 Comment
  CAS-BOT-BC21307  Carex fracta John Thomas Howell 1947-7-18 23424 Los Angeles San Gabriel Mountains. Big Pines. 2103 Comment
  SBBG59309  Carex mariposana I. M. Johnston 1917-7-4 1399 Los Angeles Baldy Summit, San Antonio Mtns 3048 Comment
  UC1929531  Carex multicaulis Valerie Soza, Naomi Fraga, Aydee Virgen 2003-6-16 1680 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western extension of Waterman Mountain, along Waterman Mountain trail 10W04 from approximatly 0.75 to 2.5 miles ESE from Three Points trailhead. Comment
  CAS-BOT-BC118405  Carex praegracilis Alfred James McClatchie 1895-5-1 903 Los Angeles Moist soil in canyon south of Pasadena Comment
  UC285004  Carex schottii P. A. Munz 1923-5-1 7775 Los Angeles Puddingstone Canyon San Dimas 243 Comment
  RSA670416  Carex senta B. C. Templeton 1932-6-1 4873 Los Angeles Below amateur ski jump, Big Pines Park. Comment
  CAS-BOT-BC115644  Carex triquetra LeRoy Abrams 1901-4-3 1280 Los Angeles Santa Monica Mts. Comment
  CAS-BOT-BC115641  Carex triquetra P. B. Kennedy 1928-3-29 s.n. Los Angeles Summit of ridge, Santa Catalina Island. Comment
  PASA993  Castilleja Ruth M. Evans 1931-3-15 Los Angeles Lone Hill, Glendora Comment
  CATA55  Castilleja affinis USC Wrigley Interns: Sabrina Lawrence-Gomez, Alexandria Cheung, Daniel Kasang, Miller Zou, Sarah Ratay 2011-7-8 34 Los Angeles Santa Catalina Island: Deer Valley Trail 92 Comment
  SFV3325  Castilleja affinis C. Casser 1956-3-2 Los Angeles Santa Monica Mountains 0.5 miles from Highway 101 on Malibu Canyon Road. Roadside. 366 Comment
  LA212390  Castilleja densiflora subsp. gracilis Louis C. Wheeler; 1933-4-2 1585 Los Angeles La Verne. 289 Comment
  SBBG105498  Castilleja exserta F. R. Fosberg 1931-4-2 4453 Los Angeles divide between Hamilton and Descanso Cyns 150 Comment
  RSA0118845  Castilleja exserta subsp. exserta A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-14 32089 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
  JEPS84906  Castilleja exserta subsp. venusta L. R. Heckard 1985-5-4 6232 Los Angeles s of Rosamond Dry Lake (s side of Avenue E, 1 mi e of 10th Street East, ne of Lancaster); Mojave Desert 701 Comment
  UCD122515  Castilleja foliolosa Daryl Koutnik 1978-5-10 478 Los Angeles End of Corral Canyon Road, Santa Monica Mountains. 731 Comment
  LA52016  Castilleja foliolosa W. O. Griesel; 1936-3-28 sn Los Angeles Santa Monica Mountains, Hollywood Hills Comment
  RSA213349  Castilleja foliolosa Reid V. Moran 1941-3-9 689 Los Angeles Santa Catalina Island, Middle Ranch. 250 Comment
  RSA82277  Castilleja foliolosa F. W. Peirson 208 Los Angeles Foothills near Millard's Canyon, San Gabriel Mountains. Comment
  RSA505068  Castilleja gleasoni Orlando Mistretta 1987-6-25 s.n. Los Angeles Angeles National Forest, San Gabriel Mountains; Horse Flats Campground. In woodland south of the campground and along the drainage entering the campground from the north. Comment
  SEINET10942981 Image available Castilleja gleasoni Adolph D. E. Elmer Elmer 3659 Los Angeles Acton. Comment
  LA82055  Castilleja minor subsp. spiralis O. H. Kappler; 1940-5-12 sn Los Angeles Santa Monica Mountains, W Fork, Las Trancas (Rattlesnake) Canyon 365 Comment
  POM175354  Castilleja minor subsp. spiralis E. Crow 1930-6-29 s.n. Los Angeles San Gabriel Mtns., trail above Camp Coldbrook Comment
  UCR185393  Castilleja plagiotoma R. G. Swinney 1998-5-16 6055 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  UC10383  Caulanthus amplexicaulis J. Burtt Davy May 9 1896-May 24 1896 2469 Los Angeles near Manzana; Antelope Valley, near Manzana Comment
  RSA79238  Caulanthus amplexicaulis var. amplexicaulis G. R. Campbell 1952-6-28 17284 Los Angeles Mt. Baldy 2438 Comment
  UCR247282  Ceanothus Dan S. Cooper 2013-3-17 313- 50 Los Angeles Los Angeles, Elysian Park, east of baseball fields, near Angels Point Rd. 220 Comment
  NY201964  Ceanothus arboreus J. B. Walker 1995-6-5 1429 Los Angeles Santa Catalina Island, along Airport Rd, 4km N of Avalon 200 Comment
  CAS-BOT-BC48725  Ceanothus crassifolius John Thomas Howell 1928-2-9 3325 Los Angeles On trail between Sierra Madre and Santa Anita Canyon Comment
  CAS-BOT-BC48749  Ceanothus crassifolius D. O. Burge 2007-3-23 DOB 806 b Los Angeles San Gabriel Mountains, Angeles National Forest, between Horse Canyon and Oak Canyon, above the San Gabriel River 630 Comment
  RSA244388  Ceanothus crassifolius Robin S. Collins 1973-3-11 207 Los Angeles Angeles National Forest, San Gabriel Mountains: Trail Canyon 610 Comment
  RSA593002  Ceanothus crassifolius Steve Boyd, Orlando Mistretta 1996-5-1 8732 Los Angeles Liebre Mountains, rugged hills between Soledad Canyon Agua Dulce, west of Young Canyon along the Pacific Crest Trail. 854 Comment
  UCD111430  Ceanothus crassifolius Daryl Koutnik 1978-3-10 s.n. Los Angeles on east facing hillside in Browns Canyon in the Santa Susanna Mountains. 411 Comment
  RSA601947  Ceanothus cuneatus Louis C. Wheeler 1933-6-1 1867 Los Angeles Claremont. 381 Comment
  RSA399031  Ceanothus cuneatus Anstruther Davidson 1893-4-2 s.n. Los Angeles [Unspecified] Comment
  RSA77353  Ceanothus greggii var. vestitus F. W. Peirson 1918-6-16 4448 Los Angeles Rock Creek, north slope of San Gabriel Mountains 1448 Comment
  CAS-BOT-BC50154  Ceanothus integerrimus Mrs. G. Earle Kelly 1917-9-1 s.n. Los Angeles Mt. Wilson Comment
  CAS-BOT-BC51031  Ceanothus integerrimus var. macrothyrsus Vernon Bailey 1907-9-3 1266 Los Angeles San Antonio Peak (East base), San Gabriel Mts. 1828 Comment
  UCR272960  Ceanothus integerrimus var. macrothyrsus R. G. Swinney 2011-6-15 15176 Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  CHSC95914  Ceanothus leucodermis LeRoy Gross; Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 925 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1) UTM Zone; 3788700N 0398715E. 1677 Comment
  RSA0028434  Ceanothus leucodermis J. D. Olmsted 1959-4-3 333 Los Angeles Foot of San Gabriel Mts: San Antonio wash. East of Claremont where Arrow Hwy crosses county line. 366 Comment
  LA52220  Ceanothus megacarpus Robert Fowler; 1935-1-18 4541 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Sepulveda Canyon. 152 Comment
  POM156272  Ceanothus megacarpus L. R. Abrams 1902-6-17 2560 Los Angeles Sepulveda Canyon, Santa Monica Mts. Comment
  CAS-BOT-BC50484  Ceanothus oliganthus Henry J. Thompson 1959-3-27 1890 Los Angeles Santa Monica Mountains - Saddle Mountain - 1.5 miles east of peak 731 Comment
  CAS-BOT-BC50500  Ceanothus oliganthus H. E. McMinn 1925-8-6 1551 a Los Angeles Sawpit Canyon, San Gabriel Mts. Comment
  RSA399724  Ceanothus oliganthus Geo. L. Moxley 1917-4-2 1826 Los Angeles Aliso Canyon, near Chatsworth. Comment
  RSA399740  Ceanothus oliganthus var. oliganthus Albert J. Perkins 1928-4-8 s.n. Los Angeles Bear Ca - on, Sierra Madre Mts. Comment
  RSA562578  Ceanothus oliganthus var. oliganthus Steve Boyd, W. Appleby 1993-4-22 7992 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
  SBBG17294  Ceanothus oliganthus var. oliganthus K. A. Wilson 1961-2-18 859 Los Angeles Mulholland Hwy, 2 mi W of Seminole Hot Springs Comment
  UC1071164  Ceanothus oliganthus var. oliganthus P. L. Johannsen 1934-2-17 289 Los Angeles Pico Canyon Santa Susana quad. 640 Comment
  RSA14412  Ceanothus spinosus Elmer I. Applegate 1927-2-18 4980 Los Angeles Mandeville Canyon Comment
  UCR23542  Ceanothus spinosus John C. Roos 1942-3-14 997 Los Angeles Western Transverse Range; Santa Monica Mtns., Sepulveda Canyon, West Los Angeles 350 Comment
  RSA0056530  Ceanothus spinosus Bonnie C. Templeton 1930-4-2 1411 Los Angeles Mulholland Drive, N.W. of Hollywood. 600 Comment
  UC1071386  Ceanothus spinosus J. B. Spring 1931-3-10 24 Los Angeles W of Verdugo Protero Comment
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Dec 4 2011
  CATA1820  Cedrus deodara Benjamin E. Carter 2012-8-31 7021 Los Angeles Santa Catalina Island: Black Jack Campground. Grove of large, introduced trees in campground 459 Comment
  LA211121  Celtis australis Arthur C. Gibson; no date 2008 5260 Los Angeles HOLLYWOOD HILLS, Griffith Park, Just S of Travel Town. Comment
  CATA26  Centaurea melitensis USC Wrigley Interns: Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Miller Zou, Sarah Ratay 2011-7-1 10 Los Angeles Santa Catalina Island: Deer Valley Trail, Aspect: Northwest, Slope: approx. 30% 22 Comment
  LA94406  Centaurea melitensis Norman A. Cole; May 1964 334 C Los Angeles Santa Monica Mountains, 1.7 mi from Pacific Coast Hwy along Rambla Pacifico 152 Comment
  UCR146884  Centaurium venustum Kathleen Stockwell 2003-6-11 s.n. Los Angeles San Gabriel Valley/San Gabriel Mtns. Foothills, North Padua Ave at intersection with Palmer Canyon Rd., NNE of Claremont 564 Comment
  CDA6630  Centranthus ruber T. S. Ross 1991-4-21 4498 Los Angeles Whittier Hills (Puente Hills, pro parte): E-facing road embankment along Turnbull Canyon Road Comment
  UC129098  Centrostegia thurberi var. thurberi H. M. Hall and H. P. Chandler 1906-6-11 7387 Los Angeles near Lancaster; Southern California Comment
  RSA150932  Cerastium glomeratum P. H. Raven 1962-4-10 17235 Los Angeles San Clemente Island. Gully to west side of island about 1.5 miles north of Thirst. 457 Comment
  LA47744  Cercocarpus betuloides Carl Epling; May 1927 sn Los Angeles Ridge Route near Summit Comment
  SDSU8990  Cercocarpus betuloides Gerald Collier 1951-5-5 Los Angeles Just below Chantry Flats, on trail to bottom of canyon; Santa Anita Canyon; San Gabriel Mtns. Comment
  CAS-BOT-BC142120  Cercocarpus betuloides var. betuloides Alice Eastwood 1917-7-20 6485 Los Angeles Santa Catalina Island Comment
  RSA580306  Cercocarpus betuloides var. betuloides Tim S. Ross, Steve D. Boyd 1994-5-25 7925 Los Angeles Necktie Basin: hanging basin ca 470-830 meters W of Warm Springs Mountain summit. These collections from ca. 600-800 meters WSW of summit. 1061 Comment
  POM243680  Cercocarpus betuloides var. blancheae F. R. Fosberg 1931-5-6 S 4798 Los Angeles Santa Catalina Island. Cape Canyon. 10 Comment
  RSA117383  Cercocarpus betuloides var. blancheae Huron H. Smith 1912-6-24 5165 Los Angeles Santa Catalina Island. Rock Spring Canyon. 305 Comment
  SD230283  Cercocarpus ledifolius var. intermontanus V. W. Steinmann 1996-6-17 921 Los Angeles San Gabriel Mtns., ca. 2.5 km (by air) SSW of Mt. San Antonio, along Baldy Trail. 2550 Comment
  CAS-BOT-BC143811  Cercocarpus ledifolius var. ledifolius Geo. B. Grant 1904-7-23 6369 Los Angeles Mt. San Gorgonio, Mill Creek Comment
  CAS-BOT-BC143814  Cercocarpus ledifolius var. ledifolius Hasse 1907-7-1 s.n. Los Angeles Mt. Yslep, San Gabriel Range 2511 Comment
  RSA190890  Cercocarpus traskiae Robert F. Thorne 1967-5-18 36870 Los Angeles Wild Boar Gully, Santa Catalina Island. 183 Comment
  UCD130350  Chaenactis fremontii Ira L. Wiggins 1966-4-15 20593 Los Angeles immediately east of J.F.L. Motel, Pearblossom. Comment
  IRVC27309  Chaenactis glabriuscula A. C. Sanders, Mark Elvin, et al. 2003-4-14 25950 Los Angeles Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River NE end of Santa Susana Mtns. 351 Comment
  UCR220363  Chaenactis glabriuscula R. G. Swinney 2009-4-16 10347 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, confluence of Van Tassel and San Gabriel canyons, 1.3 miles north of Foothill Blvd., on both side of El Encanto Parkway 183 Comment
  CAS-BOT-BC277352  Chaenactis glabriuscula var. glabriuscula Carl B. Wolf 1936-5-27 7839 Los Angeles San Gabriel Mts., Indian Canyon Camp, 2 mi. off Soledad Canyon 914 Comment
  POM156355  Chaenactis glabriuscula var. glabriuscula L. R. Abrams 1902-6-9 2503 Los Angeles Playa del Rey. Comment
  UC34663  Chaenactis xantiana H. M. Hall May 1 1902-May 3 1902 3073 Los Angeles vicinity of Elizabeth Lake; Antelope Valley, Elizabeth Lake 1066 Comment
  RSA752640  Chaenactis xantiana Amber Maurice, Laura Hoglin, Sylvia Rivera 2003-4-24 2 Los Angeles Gorman Pass, Tejon Ranch. Comment
  POM306267  Chamaesyce maculata Henry J. Ramsey, Henry J. Ramsey 1937-8-12 1412 Los Angeles Altadena Comment
  LA50648  Chamaesyce melanadenia M. Epling; Carl Epling 1925-5-15 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  POM2846  Chamaesyce serpillifolia M. Hitchcock 1918-07 1 Los Angeles Van Nuys Comment
  RSA718284  Chamaesyce serpillifolia subsp. serpillifolia R. G. Swinney, D. W. Larson 1996-7-17 5138 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1320 Comment
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Apr 21 2010
  RSA638205  Chamaesyce serpillifolia subsp. serpillifolia L. C. Wheeler 1945-6-3 6063 Los Angeles San Gabriel Canyon: West Fork San Gabriel Canyon ca 1 mile west of the forks. . Comment
  RSA685695  Cheilanthes covillei T. R. Pray 1962-5-7 1896 Los Angeles Crystal Lake Road vbelow Soldier Creek crossing Comment
  RSA535736  Cheilanthes newberryi T. S. Ross 1991-5-23 5485 Los Angeles San Clemente Island. Mouth of Tota Canyon, middle of island, eastern escarpment. 3 Comment
  RSA730186  Chenopodium album var. striatum R. G. Swinney 1998-9-4 6905 Los Angeles Vincent Gap, off trail c. 350m SE of parking area at spring near canyon bottom 1988 Comment
  RSA423401  Chenopodium ambrosioides L. C. Wheeler 1931-9-4 56 Los Angeles 2 mi. N Claremont. 412 Comment
  RSA762731  Chenopodium berlandieri R. G. Swinney 2008-9-4 9410 Los Angeles Dry Lake, Blue Ridge, SW of Wrightwood and 0.4 mi. east of junction of Hwy 2 and road 3N06/Blue Ridge Rd. 2250 Comment
  RSA529895  Chenopodium botrys T. S. Ross 1991-8-16 5801 Los Angeles Big Tujunga Canyon, 1/5 mile due E of the confluence of Lucas Creek; Angeles Forest Highway. 918 Comment
  RSA708767  Chenopodium californicum Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1143 Los Angeles Mouth of McDonald Creek. 335 Comment
  SBBG19145  Chenopodium californicum R. Burch 1963-12-8 Los Angeles first cyn S of Seal Cove Comment
  UC723836  Chenopodium californicum Joseph Andorfer Ewan IX, 1933 10926 Los Angeles Higgins Canyon Santa Monica Mts. Comment
  UCR272957  Chenopodium fremontii R. G. Swinney 2011-7-29 15577 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  RSA518243  Chenopodium murale A. C. Sanders 1987-12-4 7586 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  RSA595001  Chenopodium murale Mark Hoefs, R. F. Thorne 1996-4-6 2611 Los Angeles Santa Catalina Island, Pebbly Beach. 6 Comment
  SBBG11637  Chenopodium murale P. H. Raven 1962-5-9 17645 Los Angeles rd just N of Guds 249 Comment
  RSA340622  Chenopodium murale F. R. Fosberg 1973-11-15 55250 Los Angeles San Clemente Island, Wilson s Cove. Comment
  RSA226143  Chenopodium pratericola R. F. Thorne, C. W. Tilforth 1971-6-17 39928 Los Angeles 7 miles up Little Tujunga Canyon Road from Little Tujunga station. San Gabriel Mountains, Angeles National Forest 671 Comment
  UC501517  Chenopodium pumilio Frank W. Peirson 1919-11-12 1823 Los Angeles Hollister Ave between The Boulevard and Mendocino St.; Altadena Comment
  RSA662677  Chenopodium strictum var. glaucophyllum LeRoy Gross 2001-11-10 455 Los Angeles Verdugo Mountains, north side. Off the 210 freeway east bound LaTuna 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) 457 Comment
  CAS-BOT-BC244673  Chorizanthe staticoides Le Roy Abrams 1899-4-1 205 Los Angeles Inglewood Hills nearby Comment
  RSA392675  Chorizanthe staticoides Geo. L. Moxley 1917-5-5 s.n. Los Angeles Eagle Rock. Comment
  RSA713743  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
  RSA783629  Chorizanthe staticoides J. D. Olmsted 1958-5-15 148 Los Angeles Southward drainage along San Antonio Creek in Blanchard Park o Pomona College Campus, near eastern boundary of Los Angeles County 366 Comment
  UCR281976  Chorizanthe watsonii R. G. Swinney 2014-4-24 16206 Los Angeles San Gabriel Mountains, NE of Valyermo, wash and plateau at north end of Bob's Gap, 3.1-3.6 miles south of Hwy. 138, c. 0.2 miles east of Bob's Gap Rd., east of Bob's Gap Wash 1293 Comment
  RSA392666  Chorizanthe xanti J. A. Comstock 1932-7-6 s.n. Los Angeles Mojave Desert. Comment
  RSA330800  Chrysothamnus nauseosus subsp. bernardinus Wayne E. Sawyer 1981-8-11 124 Los Angeles San Gabriel Mtns., Angeles National Forest: CA Hwy 2 between Dawson Saddle and junction of CA Hwy 39, 2.75 mi. from Dawson Saddle. 2241 Comment
  POM290506  Chrysothamnus nauseosus subsp. hololeucus Lyman Benson 1949-11-7 14280 Los Angeles 10 miles northwest of Big Pine. San Gabriel Mountains. Mojave Desert Drainage Area. 1753 Comment
  RSA600678  Chrysothamnus nauseosus subsp. hololeucus L. C. Wheeler 1967-11-18 s.n. Los Angeles San Gabriel Mountains : Sycamore Flat Campground; Big Rock Creek 1310 Comment
  CDA37742  Cirsium arvense Inspector Thompson 1953-10-15 s.n. Los Angeles West Los Angeles; Armacost and Royston Inc. at 2005 Armacost Avenue. 0 Comment
  UCR271396  Cirsium occidentale var. californicum R. G. Swinney 2011-5-12 14673 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
  RSA438796  Cirsium occidentale var. occidentale M. B. Dunkle 1939-4-3 7227 Los Angeles Chenette Canyon, San Clemente Island. Comment
  RSA0068449  Cirsium vulgare R. G. Swinney 2010-9-9 13780 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1994 Comment
  CAS-BOT-BC438755  Cistanthe monandra Alice Eastwood 1906-6-5 246 Los Angeles Country adjacent to Los Angeles. Roscoe Comment
  RSA394286  Citrullus lanatus Robert Gustafson 1981-7-15 2331 Los Angeles Ballona Wetlands, Area 2 Comment
  LA200699  Clarkia bottae Harlan Lewis; Margaret Lewis 1946-7-14 34 Los Angeles Santa Monica Mountains, Mullholland Hwy at Alhama Rd Comment
  UC56102  Clarkia bottae J. H. Barber 1897-6-25 Los Angeles canyon above Lang Comment
  UCD104357  Clarkia bottae Dolores Hainey; Alex Rudinger 1996-5-9 7 Los Angeles Walker Ranch, 1/4 mile from gate along Oakpass trail. Comment
  UCR121231  Clarkia deflexa Steve Boyd, T. S. Ross 1988-4-28 2230 Los Angeles San Gabriel Mtns., W end of mtns., Angeles National Forest. Sand Canyon, east of Saugus. In small side canyon 793 Comment
  RSA729105  Clarkia dudleyana R. G. Swinney, D. W. Larson 1999-7-21 7566 Los Angeles San Gabriel Mtns.: upper Fern Canyon, San Dimas Experimental Forest, from Fern Dam #1 to 3, NE Browns Flat. 1439 Comment
  RSA73342  Clarkia dudleyana F. W. Peirson 1919-6-7 466 Los Angeles Cow Canyon divide, San Antonio Creek Region 1372 Comment
  UCR216386  Clarkia dudleyana Dan S. Cooper 2010-5-10 510- 47 D Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Oak Canyon, Griffith Park 305 Comment
  OBI70665  Clarkia heterandra Steve Boyd, Lauren Raz 1997-5-20 9795 Los Angeles Liebre Mts Region: N flank of Sawmill Mtn, upper Heryford Cyn drainage, just NE of Sawmill Summit at the jctn of Forest Svc rds &N23 and &N08 1585 Comment
  POM19035  Clarkia purpurea subsp. quadrivulnera P. A. Munz 1923-6-9 6925 Los Angeles Bouquet Canyon, near Saugus. 1006 Comment
  SD253503  Clarkia purpurea subsp. quadrivulnera R. G. Swinney 2011-6-23 15286 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek, 100-200 m south of Chilao Station (Chilao Flat 7.5'Q) 1570 Comment
  UC457323  Clarkia purpurea subsp. quadrivulnera Carl Epling and N. Dunn 1931-5-30 Los Angeles Los Alisos Canyon Santa Monica Mountains Comment
  UCSB45821  Clarkia purpurea subsp. viminea Green, Lisa 1980-5-30 Los Angeles 5 mi. N. of the Simi Valley Freeway; near Iverson Rd 426 Comment
  CAS-BOT-BC165515  Clarkia unguiculata Robert F. Thorne; A. C. Gibson 1971-5-22 39729 Los Angeles San Gabriel Mts., Angeles National Forest: Fish Canyon 289 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
  SBBG29112  Clarkia unguiculata L. C. Wheeler 1932-5-25 759 Los Angeles Sepulveda Cyn 243 Comment
  UC1719584  Clarkia xantiana subsp. parviflora Monica Geber with Vincent Eckhart 1995-6-6 Los Angeles Northern foothills of San Gabriel Mountains, off L. A. County Road just W of the mouth of the canyon of Big Rock Creek, about 2 km SE of Valyermo Post Office. Comment
  SD215628  Claytonia exigua subsp. exigua Steve Boyd, Lauren Raz 1997-3-14 9164 Los Angeles Lower north flank of Liebre Mountain, eastern slope of Horse Camp Canyon. 1390 Comment
  UCR273206  Claytonia parviflora R. G. Swinney 2011-4-26 14480 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  RSA592844  Claytonia parviflora subsp. parviflora Steve Boyd, Orlando Mistretta 1996-5-1 8749 Los Angeles Liebre Mountains, Sawmill Mountain, upper slopes and summit at head of Heryford Canyon, east of the junction of 7N23 and 7N08. 1524 Comment
  RSA658366  Claytonia parviflora subsp. parviflora Naomi Zohman 1985-4-28 17 Los Angeles Junction of CA Hwy 39 and west fork of San Gabriel River. Forest Service Road, along the west fork. Comment
  RSA777209  Claytonia parviflora subsp. parviflora Orlando Mistretta, Christine Mistretta 2010-5-19 5126 Los Angeles San Gabriel Mountains region: Aliso Canyon; approximately 1.75 mile NW of the intersection of Aliso Cyn and the Angeles Forest Hwy. 1103 Comment
  RSA527828  Claytonia perfoliata subsp. intermontana Timothy S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3932 Los Angeles Liebre Mtn: N slope, between Horse Camp Canyon and Cow Spring Canyon. 1479 Comment
  UC852089  Claytonia perfoliata subsp. mexicana Ira W. Clokey, B. Templeton Mar 1929 4525 Los Angeles Santa Monica Mountains, Mandeville Canyon Mandeville Canyon; Santa Monica Mountains, Mandeville Canyon 275 Comment
  LA52245  Clematis lasiantha E. Lloyd; 1933-4-8 sn Los Angeles Santa Monica Mountains, Temescal Canyon 91 Comment
  POM324024  Clematis lasiantha Greg Wright 1971-4-23 19 Los Angeles San Dimas Canyon to end of dirt road, San Gabriel Mountains, Pacific Slope Drainage Area. 518 Comment
  SBBG17335  Clematis lasiantha K. A. Wilson 1961-2-18 863 Los Angeles Decker Rd 1 mi N of jct of E portion of Mulholland Hwy Comment
  UCR213781  Clematis lasiantha Scott D. White, Justin M. Wood 2009-5-6 12654 Los Angeles San Gabriel Mountains, San Gabriel River - West Fork, large fill slope on the south side of Cogswell Reservoir 915 Comment
  UC63988  Clematis ligusticifolia Geo. R. Hall Sept 1904 Los Angeles San Antonio Mts., Swartout Canyon Comment
  UCR146693  Clematis ligusticifolia Scott D. White 2004-8-20 10739 Los Angeles San Gabriel Mtns, Upper Big Tujunga Canyon: south of Upper Big Tujunga Canyon. Road, c. 4 air mi NW of the junction with Angeles Crest Hwy 1159 Comment
  UCR95277  Clematis ligusticifolia Steve Boyd, Lauren Raz 1996-9-24 8951 Los Angeles Liebre Mtns, Knapp Ranch area at upper end of Castaic Creek drainage in broad valley at head of Cienaga Canyon, south of Liebre Mtn. 930 Comment
  CAS-BOT-BC92815  Clematis pauciflora L. R. Abrams 1916-1-3 5571 Los Angeles Between Azusa and Duarte. Comment
  CAS-BOT-BC423113  Cleomella obtusifolia Marcus E. Jones 1924-9-14 s.n. Los Angeles Lancaster Comment
  UCR98797  Collinsia bartsiifolia var. davidsonii Steve Boyd, Lauren Raz 1997-4-16 9520 Los Angeles San Gabriel Mtns., NW end of range, Peace Valley due south of the junction of Interstate 5 and Hwy 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service Road 8N01. 960 Comment
  RSA408285  Collinsia heterophylla Richard C. Barkelew 1929-4-21 s.n. Los Angeles Mulholland Hy. Comment
  RSA640834  Collinsia heterophylla Louis C. Wheeler 1931-4-27 s.n. Los Angeles Pomona: Ganesha Heights. Comment
  POM128776  Collinsia parryi Thomas Craig 1927-5-4 296 Los Angeles Cobal Canyon, above Claremont. Comment
  SBBG129317  Collinsia parryi A. Parikh, N. Gale 2012-5-2 3583 Los Angeles W Fork San Gabriel River, 1.0 km E of Cogswell Dam 643 Comment
  RSA0117335  Collinsia parryi Louis C. Wheeler 1936-6-1 4113 Los Angeles Tan Bark Flat, San Dimas Canyon, San Gabriel Mts. 853 Comment
  RSA412253  Collinsia torreyi var. wrightii Bonnie C. Templeton 1932-6-17 4908 Los Angeles Flat near West Blue Ridge, Big Pines Park, San Gabriel Mountains. Comment
  RSA579445  Collomia grandiflora T. S. Ross, S. D. Boyd 1994-6-22 8023 -a Los Angeles N slope of Sawmill Mountain complex: ca 1300 m (air) due E of Sawmill Mountain summit, along draw draining N to Hideaway Canyon. 1500 Comment
  CATA1709  Comarostaphylis diversifolia subsp. planifolia Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1999-5-8 3029 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon 152 Comment
  CATA430  Comarostaphylis diversifolia subsp. planifolia Sara L. Crockett 1997-3-13 568 Los Angeles Santa Catalina Island: 1.25 miles NE on Cape Canyon Road from jct. with Middle Ranch Road, top of minor canyon SE of Peak 1395 373 Comment
  RSA650266  Conium maculatum Jim Graham 1953-5-20 s.n. Los Angeles Stream W. of Imperial Hwy. and S. of Lemon Dr., Whittier. 68 Comment
  SD249133  Constancea nevinii Michael G. Simpson, Adrienne Russell, Jonathan Dunn, David Pivorunas. 2000-7-19 2184 Los Angeles San Clemente Island, ca. 0.1 mile southwest from the end of road that runs south from Eel Point. 27 Comment
  SD51895  Constancea nevinii Peter H. Raven 1962-7-12 18024 Los Angeles San Clemente Island; on bluffs near point at east end of Northwest Harbor. 29 Comment
  RSA398346  Convolvulus simulans Anstruther Davidson 2337 Los Angeles Bromholly Hill, Hollywood Comment
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Nov 12 2014
  RSA71113  Convolvulus simulans F. W. Peirson 1908-4-18 4253 Los Angeles Point Fermin Comment
  RSA239446  Conyza bonariensis E. R. Blakley 1963-12-7 6353 Los Angeles Canyon between Pyramid Head and Cove, and S of Triangulation Point Guds, San Clemente Island 30 Comment
  UCR209946  Conyza canadensis R. G. Swinney 2008-10-16 9594 Los Angeles San Gabriel Mtns., Jackson Lake, south side of Big Pines Highway 1872 Comment
  RSA412321  Cordylanthus nevinii Christopher Davidson 1974-8-1 2519 Los Angeles On Angeles Crest Highway, west of Islip Saddle, opposite Kratka Ridge Ski Lift. Angeles National Forest 2134 Comment
  UCR277406  Cordylanthus rigidus R. G. Swinney 2010-8-23 13582 Los Angeles San Gabriel Mountains, Mt. Zion summit, between Hoegee Campground and Camp Sturtevant on the Mt. Zion Trail 1090 Comment
  RSA517161  Cordylanthus rigidus subsp. setiger Tim S. Ross, Orlando Mistretta 1990-10-9 3259 Los Angeles San Gabriel Mountains: Mill Creek Drainage, Tujunga Ranger District, Angeles National Forest 1416 Comment
  RSA602561  Cordylanthus rigidus subsp. setiger Louis C. Wheeler 1967-8-28 10551 Los Angeles San Gabriel Mountains: Gold Dollar Mine at head of Dry Gulch off Coldwater Canyon. 2195 Comment
  RSA718061  Cordylanthus rigidus subsp. setiger R. G. Swinney 1997-8-19 5807 Los Angeles Antonio Peak (=Lookout Mtn.), ridge E of Cattle Canyon and W of the west fork of Bear Canyon. 2077 Comment
  SD253506  Cordylanthus rigidus subsp. setiger R. G. Swinney 2011-10-13 15795 Los Angeles San Gabriel Mountains: Chilao Flast, FS road crossing of Chilao stream, east of Chilao Visitors Center and west of Hwy 2 (Chilao Flat 7.5'Q) 1622 Comment
  UC34673  Coreopsis bigelovii H. M. Hall May 1 1902-May 3 1902 3074 Los Angeles vicinity of Elizabeth Lake; Antelope Valley 1066 Comment
  POM31826  Coreopsis californica Marcus E. Jones 1882-5-2 s.n. Los Angeles Pasadena. Comment
  POM4854  Coreopsis californica C. F. Baker 1909-5-20 5325 Los Angeles Claremont. 365 Comment
  POM356048  Coreopsis californica var. californica L. C. Wheeler 1933-4-16 1646 Los Angeles San Gabriel Mountains: Liveoak Canyon. 426 Comment
  POM356027  Coreopsis gigantea Reid V. Moran 1941-2-26 628 Los Angeles Santa Catalina Island. Indian Rock, Wilson's Harbor 5 Comment
  CAS-BOT-BC105690  Corethrogyne filaginifolia Edith A. Purer 1933-10-7 5588 Los Angeles Sand dunes, El Segundo Comment
  SBBG79573  Corethrogyne filaginifolia F. R. Fosberg 1931-7-11 5375 Los Angeles Middle Ranch Cyn at mouth of Cape Cyn 200 Comment
  RSA482199  Corethrogyne filaginifolia var. bernardina Richard Noyes 1987-9-19 427 Los Angeles Claremont, intersection of Mills and Mt. Baldy Road. 500 Comment
  IRVC28209  Corethrogyne filaginifolia var. filaginifolia June Latting 1976-10-6 s.n. Los Angeles Big Rock Creek Fire Station, Fenner Canyon San Gabriel Mountains 1585 Comment
  POM266289  Corethrogyne filaginifolia var. filaginifolia J. C. Roos 1942-9-12 1719 Los Angeles Westwood Village. Comment
  RSA0044667  Cornus californica Louis Greata 1900-9-16 1931 Los Angeles Khurtz Street marsh, East Los Angeles. Comment
  RSA397487  Cornus occidentalis Geo L. Moxley 1917-8-18 617 Los Angeles Cienega, Southwest from Los Angeles Comment
  RSA787100  Coronilla valentina subsp. glauca Danielle LeFer 2012-5-23 s.n. Los Angeles Abalone Cove Reserve in Rancho Palos Verdes. Approximately 3 miles East of Palo Verdes Drive South from Hawthorne Boulevard. Right side of road in disturbed area. 61 Comment
  RSA483049  Cortaderia selloana George R. Johnstone 1929-10-6 s.n Los Angeles Madeville Canon Comment
  LA201787  Cotoneaster franchetii Arthur C. Gibson; 2003-9-3 4845 Los Angeles 167 Comment
  CATA1609  Crassula connata Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Janet Takara 1998-5-1 2878 Los Angeles Santa Catalina Island: West side of Swain's Canyon, ridge to Whitley's Peak 432 Comment
  RSA653698  Crassula connata Valerie L. Soza, Laura Moore 2000-5-10 859 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines to peak ''1936''. 579 Comment
  RSA717038  Crassula connata Gary Kovnat, LeRoy Gross 2003-2-16 34 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. Comment
  CATA2931  Crocanthemum greenei Amy Catalano 2015-6-25 007 Los Angeles Santa Catalina Island: SE ridge between Gallagher and Rattlesnake canyons, along FAR fence; about 750 meters northeast of East Summit 225 Comment
  CATA297  Crocanthemum scoparium Mark L. Hoefs 1973-6-5 316 Los Angeles Santa Catalina Island: By upper White's Landing Road 426 Comment
  UC1929561  Crocanthemum scoparium var. vulgare V. Soza, LeRoy Gross 2001-5-14 1219 Los Angeles Transverse Ranges; San Gabriel Mountains region; Santa Anita 1999 Fire area, above Santa Anita Canyon, ca. 0.7 mile west of the Santa Anita Dam. 762 Comment
  CATA418  Crossosoma californicum Sara L. Crockett, Michael Daligdig 1996-12-7 555 Los Angeles Santa Catalina Island: 2.0 miles E of USC Marine Center on Two Harbors Road (from Little Harbor); (37)01(000) Northing, (3)62(500) Easting 335 Comment
  RSA397731  Crossosoma californicum G. R. Johnstone 1934-5-20 18836 Los Angeles Santa Catalina Island. Descanso Canon. Comment
  SBBG108966  Crossosoma californicum S. A. Junak 1997-4-8 SCl 795 Los Angeles between two forks of upper Wall Rock Cyn 237 Comment
  UC11996  Crossosoma californicum Blanche Trask 1896-1 Los Angeles Avalon Santa Catalina Island Comment
  UCR116051  Crossosoma californicum Dan S. Cooper 1999-4-3 s.n. Los Angeles Palos Verdes Peninsula, c. 200 m north of gate at end of Forrestal Road ('quarry') Comment
  LA30862  Croton californicus Jane Turner; Peter H. Raven, Barbara Whitesel 1959-3-15 C 164 Los Angeles Santa Monica Mountains, Point Dume Comment
  LA50642  Croton californicus A. H. Lange; 1951-4-7 sn Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  SD31180  Croton californicus Edith A. Purer 1931-3-26 966 Los Angeles Palos Verdes Hills. Comment
  UCR260794  Croton californicus R. G. Swinney 2010-2-27 11736 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
  SD69374  Croton setiger Robert F. Thorne 1966-9-14 36655 Los Angeles Santa Catalina Island, sandy disturbed area behind Ben Weston Beach 3 Comment
  UCR223282  Cryptantha R. G. Swinney 2009-7-29 11437 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
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Feb 19 2020
  UCR170401  Cryptantha circumscissa John F. Green 2006-3-15 s.n. Los Angeles Mojave Desert, between Llano and Pearblossom, Hwy 138 at Big Rock Wash crossing, both sides of wash in zone being cleared for highway widening 963 Comment
  SBBG95195  Cryptantha clevelandii M. B. Dunkle 1928-3-31 1763 Los Angeles Little Harbor 91 Comment
  IRVC28373  Cryptantha corollata A. C. Sanders 2003-4-28 26092 Los Angeles Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon Western San Gabriel Mtns. 427 Comment
  CATA1030  Cryptantha intermedia Mark L. Hoefs 1995-5-4 1951 Los Angeles Santa Catalina Island: Near road between Cherry Valley and Howlands Landing 91 Comment
  RSA725860  Cryptantha intermedia R. G. Swinney 1998-5-9 6050 Los Angeles San Gabriel (Azusa) Canyon, 1.5 mi. north of Foothill Blvd. on east side of Encanto Rd. 201 Comment
  RSA783417  Cryptantha intermedia J. D. Olmsted 1958-3-7 23 Los Angeles Along San Antonio Creek in Blanchard Park on Pomona College Campus, Claremont near eastern end of county 366 Comment
  SDSU5432  Cryptantha intermedia A. H. Gallup 1948-4-9 129 Los Angeles 'The Wash' - Claremont. 366 Comment
  UCR71151  Cryptantha intermedia Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4424 Los Angeles Channel Islands, San Clemente Island: east side of island, Bryce Canyon near Malo Point Comment
  UCSB5645  Cryptantha intermedia Gill, Robert 1959-6-2 Los Angeles San Antonio Canyon, along lower road; San Gabriel Mt. Range; Pacific Slope Drainage Area 762 Comment
  RSA159350  Cryptantha intermedia P. H. Raven 1962-4-10 17201 Los Angeles San Clemente Island. Summit of Thirst. 579 Comment
  RSA527670  Cryptantha intermedia Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4290 Los Angeles San Clemente Island: E side of island, Bryce Cyn near Malo Point. Comment
  RSA0070190  Cryptantha microstachys LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6951 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  RSA499677  Cryptantha microstachys Fordyce Grinnell Jr. 1910-04 s.n. Los Angeles San Rafael Hills, Pasadena Comment
  POM3900  Cryptantha muricata D. L. Crawford 1916-3-1 s.n. Los Angeles Mts. above Claremont along trail. 914 Comment
  RSA0034449  Cryptantha muricata L. C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon, depression on bench NE of Campground 1433 Comment
  RSA0069770  Cryptantha muricata LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6988 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  RSA779207  Cryptantha muricata R. G. Swinney 2009-6-8 11073 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UC78575  Cryptantha muricata Rev. J. C. Nevin Los Angeles Los Angeles Comment
  RSA0021705  Cryptantha muricata var. denticulata Duncan S. Bell, Caitlin Elam 2013-6-24 5254 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, between Allison Gulch and Rattlesnake Canyon. 740 Comment
  RSA0079218  Cryptantha muricata var. muricata W. Wisura, E. Roeder 1992-4-21 4701 Los Angeles West Mojave: Mountain Brook Ranch near Valyermo. Comment
  UCR193703  Cryptantha oxygona R. G. Swinney 1999-5-22 7191 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, south of old homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  RSA0058227  Cryptantha pterocarya var. pterocarya Richard 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. 1335 Comment
  UCR223830  Cryptantha pterocarya var. pterocarya R. G. Swinney 2009-6-17 11183 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
  RSA0079329  Cryptantha pterocarya var. purpusii Barry Burnell 1970-4-24 187 Los Angeles San Gabriel Mts.: 3.2 miles south of Highway 138 on N4. 1371 Comment
  POM3825  Cryptantha similis George B. Grant 1906-6-15 s.n. Los Angeles Summit of Mt. Wilson 1829 Comment
  RSA703162  Cuscuta Scott D. White 2004-8-11 10700 Los Angeles San Gabriel Mountains: About 8 air miles west - northwest of Wrightwood. East of Fenner Saddle Rd. on Pacific Crest Trail. 2073 Comment
  POM126994  Cuscuta californica Jos. Burtt Davy 1896-5-9 2299 Los Angeles Antelope Valley Comment
  UCR205728  Cuscuta californica A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37012 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
  RSA650759  Cuscuta californica Eleanor McClung 1937-5-5 189 Los Angeles Griffith Park , Los Angeles. Comment
  RSA550693  Cuscuta indecora T. S. Ross, Annette H. Ross 1991-7-29 5706 Los Angeles Elephant Hill: N-most point of the Puente Hills, W Pomona. 229 Comment
  UCR190472  Cycladenia humilis R. G. Swinney 2000-9-16 7867 Los Angeles San Gabriel Mtns., Coldwater Canyon tributary, 1st canyon south of San Antonio Ridge 2439 Comment
  RSA228946  Cycladenia humilis var. venusta R. F. Thorne 1971-8-25 41290 Los Angeles along trail E of Windy Gap toward Mt. Hawkins 2346 Comment
  SBBG98041  Cyclospermum leptophyllum C. F. Smith 1958-7-25 5827 Los Angeles opposite 1584 West Vernon Ave, Los Angeles Comment
  POM307837  Cynodon dactylon Henry J. Ramsey, Henry J. Ramsey 1938-1-9 2764 Los Angeles Altadena. Comment
  SD39905  Cynodon dactylon E. A. Purer 1931-5-19 1508 Los Angeles El Segundo Comment
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Jul 10 2010
  UCSB6801  Cynodon dactylon B., K. 1943-3-25 Los Angeles Dalton CCC Camp, in the San Dimas Experimental Forest, San Gabriel Mountains 335 Comment
  CDA29927  Cyperus involucratus Michael O Brien 2009-7-26 s.n. Los Angeles Topanga State Beach: in flood plain of Topanga Creek, in an area that used to be a historic community of shacks, bungalows, and mobile homes. 0 Comment
  UC57100  Cyperus niger Ernest Braunton Aug 1902 654 Los Angeles Oak Knoll Comment
  UCR74443  Cyperus regiomontanus O. F. Clarke 1991-11-5 s.n. Los Angeles Pasadena, at M.R. Alexander residence [off Lake Ave. north of the freeway] 268 Comment
  RSA191638  Cyperus squarrosus Robert F. Thorne, M. Z. Thorne 1966-8-29 36584 Los Angeles Crystal Lake Recreation area, Angeles National Forest 1676 Comment
  UC1870231  Cytisus striatus LeRoy Gross 2001-11-10 451 Los Angeles Los Angeles Basin region: Verdugo Mountains, north side. Off the 210 freway 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 f 457 Comment
  SEINET6921968  Cytisus striatus S. D. Gaimari 1994-6-29 s.n. Los Angeles La Crescenta; 2 kilometers up Eagle Canyon, on south base of Mount Lukens. Comment
  UCR43296  Datisca glomerata David Charlton 1986-6-15 273 Los Angeles San Gabriel Mtns, Buckhorn Campground: creek along Burkhart Trail 1768 Comment
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Jun 26 2008
  RSA215030  Datisca glomerata Christopher Davidson 1969-6-30 1002 Los Angeles Topanga Canyon, just past jct. in Topanga Village, in sand along Carapito Cr. Assoc. 192 Comment
  JEPS12292  Datura wrightii Elizabeth Day Palmer 1908-8-4 Los Angeles Tolguacha Comment
  RSA533923  Daucus pusillus T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5238 Los Angeles San Clemente Island: Southeast end of island; first un-named canyon S of Snake Cactus Canyon (drainage beginning 1420 feet due W of Guds) 152 Comment
  RSA661085  Daucus pusillus Orlando Mistretta 1992-4-5 195 Los Angeles Guds, San Clemente Island. Comment
  SBBG128561  Daucus pusillus M. L. Hoefs, D. R. Hoefs 1995-6-29 2342 Los Angeles Empire Landing Rd near quarry 124 Comment
  UC1234793  Deinandra clementina Peter H. Raven 1962-5-23 17856 Los Angeles e side Avalon Bay; Santa Catalina Island Comment
  SD90427  Deinandra fasciculata Robert F. Thorne 1973-4-12 42889 Los Angeles San Clemente Island; plateau near Cutlass above old dam. 199 Comment
  SFV9752  Deinandra minthornii J. W. Dole, G. F. Fisler 1977-10-28 s. n. Los Angeles Santa Susana Mountains Chatsworth. Diamond Bar Ranch. Edge of Simi Freeway among the big rocks. Comment
  IRVC26213  Delphinium cardinale A. C. Sanders, Mark A. Elvin 2003-6-18 26956 Los Angeles around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon Santa Susana Mountains, Western Transverse Range 1037 Comment
  CAS-BOT-BC9126  Delphinium cardinale Muriel F. Wheeler 1938-7-23 952 Los Angeles San Dimas Canyon Wash, 0.5 mile northeast of San Dimas County Park Comment
  SJSU2501  Delphinium parishii H. L. Buckalew 1962-4-18 Los Angeles Mojave Desert between Vincent & Little Rock Comment
  RSA579316  Delphinium parishii subsp. parishii Tim S. Ross 1994-5-31 7978 Los Angeles San Gabriel Mountains: vicinity of Pacifico Mountain: upper northerly slope of major flat-topped ridge ca. 680 m due W of Sheep Camp Spring. 2049 Comment
  SBBG71763  Delphinium parishii subsp. parishii R. Hoffmann 1932-4-26 Los Angeles Harold Comment
  UC1971147  Delphinium parishii subsp. parishii Louis C. Wheeler 1973-4-21 Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast of Vincent. Comment
  UCR151342  Delphinium parishii subsp. parishii LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 893 Los Angeles Transverse Ranges/San Gabriel Mtns region, Big Rock Creek, N and east of Valyermo Ranger Station off Big Pines Hwy 1143 Comment
  RSA233489  Delphinium parishii subsp. parishii Robert F. Thorne, C. W. Tilforth 1972-6-29 42075 Los Angeles Angeles National Forest: Summit of Table Mountain above Big Pines. 2287 Comment
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Sep 3 2010
  UC1126092  Delphinium parryi Jerome S. Horton 1936-5-26 347 Los Angeles Brown's Flat Cucamonga Quadrangle, San Dimas Experimental Forest Comment
  PASA2534  Delphinium parryi Loletta Hiebert Los Angeles Flintridge Comment
  RSA398738  Delphinium parryi N. C. Cooper 1945-5-1 2187 Los Angeles Santa Monica Mountains 762 Comment
  RSA654437  Delphinium parryi subsp. parryi Valerie L. Soza, Ileene Anderson, LeRoy Gross 2000-6-6 983 b Los Angeles Verdugo Mountains, southwest side: Along Verdugo Mtwy, above Brace Canyon, W of junction with Stough Canyon Mtwy. 610 Comment
  RSA732811  Delphinium parryi subsp. parryi R. G. Swinney 2000-5-19 7683 Los Angeles San Gabriel Mtns.: San Dimas, SE-facing ridge west of San Dimas Canyon Rd., c. 300 m north of Golden hills Rd. and 400 m west of stream. 512 Comment
  CAS-BOT-BC116278  Delphinium parryi subsp. parryi George B. Grant 1904-6-17 6425 Los Angeles Pasadena; Arroyo Seca Canyon Comment
  POM147  Delphinium patens subsp. hepaticoideum L. T. Street 1918-5-19 s.n. Los Angeles Mt. Wilson - trail. Comment
  UC311365  Delphinium patens subsp. hepaticoideum Marcus E. Jones, A. M. 1882-5-2 3204 Los Angeles Pasadena Comment
  UC535515  Delphinium patens subsp. hepaticoideum Ira W. Clokey, B. Templeton 1929-4-1 4433 Los Angeles hill side Santa Monica Mountains, Mandeville Canyon 425 Comment
  UC9984  Dendromecon rigida J. H. Barber 1897-6-25 183 Los Angeles Soledad Canyon Comment
  UCD95144  Dendromecon rigida Arthur Alcantara; Earl Brown 1993-4-6 s.n. Los Angeles Santa Monica Mtns., 405 fwy to Mulholland Dr., 1.5 mi. to dirt road on left (Mulholland Dr.), approx. 8 mi. on left side of road. 540 Comment
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May 7 2015
  RSA0053897  Descurainia pinnata R. G. Swinney 2010-5-11 12622 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
  SFV1456  Descurainia pinnata subsp. menziesii J. R. Swanson 1963-4-30 746 Los Angeles Santa Monica Mountains Las Virgenes Road, Tapia Park. West end of the loop road. 150 Comment
  UCR223015  Descurainia sophia R. G. Swinney 2009-5-5 10632 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  UCD114781  Descurainia sophia J. Doty 1969-4-19 632 Los Angeles beside Avenue K-8, 0.5 mile west of 170th Street, 20 miles east of Lancaster in northeastern part of county. 762 Comment
  RSA433542  Dicentra chrysantha L. E. Hoffman 1931-5-14 s.n. Los Angeles Pacoima Canyon, Angeles National Forest. Comment
  RSA191379  Dichanthelium acuminatum var. acuminatum R. F. Thorne 1967-7-19 37129 Los Angeles San Gabriel Mountains, Angeles National Forest: Yucca Flats Summer Home Tract at upper end of Canyon of N Fork of San Gabriel River 1250 Comment
  RSA11772  Dichelostemma capitatum subsp. capitatum E. Lloyd 1933-3-11 s.n. Los Angeles Santa Monica Mtns., Temescal Canyon Comment
  RSA376833  Dichelostemma capitatum subsp. capitatum M. B. Dunkle 1932-5-28 2969 Los Angeles White s Landing, Santa Catalina Island. Comment
  RSA376840  Dichelostemma capitatum subsp. capitatum Freda Detmers 1933-4-9 s.n. Los Angeles Los Angeles National Forest, Little Tujunga Canyon. Comment
  POM296967  Dichelostemma capitatum subsp. capitatum Karen Hosterman 1957-4-8 978 Los Angeles Santa Catalina Island, north side of Avalon Comment
  RSA167092  Dichelostemma capitatum subsp. capitatum W. G. Webb 1935-2-25 s.n. Los Angeles Eagle Rock Park Comment
  UCSB42014  Dichelostemma capitatum subsp. capitatum Purviance, Susan 1979-3-19 Los Angeles 1/4 mi. east of Pacific Coast Highway on Encinal Canyon Road Comment
  SJSU10418  Diplacus aurantiacus G. A. Kattenhorn 1967-3-21 Los Angeles Little Dalton Cr, N of Glendora, San Gabriel Mts Comment
  CHSC1783  Diplacus rutilus E. Thomas 1940-4-12 Los Angeles Brea Canyon near Pomona. Comment
  CATA3371  Dissanthelium californicum Peter J. Dixon 2016-4-14 045 Los Angeles Santa Catalina Island: Isthmus area, Deer Springs watershed, 680 m north of Tower Peak 216 Comment
  UCR203229  Distichlis spicata R. G. Swinney 2005-7-21 8318 Los Angeles San Gabriel Mountains, Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  UC337358  Distichlis spicata unknown Los Angeles California - Northern Comment
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Jun 11 2015
  CAS-BOT-BC43576  Dithyrea californica H. L. Mason 1932-4-1 6858 Los Angeles Mohave Desert. One mile east of Lancaster. Comment
  LA35918  Dodecatheon clevelandii Peter H. Raven; 1960-4-2 14867 Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon, 2.6 mi N of Pacific Coast Hwy. 243 Comment
  RSA172261  Dodecatheon clevelandii subsp. clevelandii Robert F. Thorne, James Henrickson 1963-5-5 32279 Los Angeles Near mouth of Cobal Canyon, foothills of San Gabriel Mountains, ca. 4 miles N of Claremont 518 Comment
  SD90429  Dodecatheon clevelandii subsp. insulare Robert F. Thorn, M. Z. Thorne 1973-2-12 42465 Los Angeles Santa Catalina Island; Blue Cavern Point 60 Comment
  UCR208159  Dodecatheon clevelandii subsp. sanctarum B. C. Templeton 1968-5-5 11421 Los Angeles Transverse Ranges; Santa Monica Mountains, hills north of Malibu Lake 244 Comment
  RSA670707  Dodecatheon clevelandii subsp. sanctarum Bonnie C. Templeton 1968-5-5 11421 Los Angeles Hills north of Malibu lake. 244 Comment
  RSA462207  Dodecatheon redolens Fred Burlew 1926-07 s.n. Los Angeles Mt Islip. Comment
  POM175368  Draba corrugata var. corrugata Helen E. Sweet, West, E. Crow 1930-7-12 s.n. Los Angeles Near north Badly Peak. Comment
  CATA2954  Drymocallis glandulosa Sarah Ratay 2006-8-9 98 Los Angeles Santa Catalina Island: Middle Canyon, NW side of drainage, few hundred meters E of Three Oaks Turnout, growing on NW side of a Malosma laurinia shrub 128 Comment
  RSA229141  Drymocallis glandulosa var. reflexa Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38900 Los Angeles San Gabriel Mountains, Angeles National Forest: Canyon above Angeles Crest Hwy. ca. 1 mile W of Vincent Gap, at one of headwaters of E fork Big Rock Creek N-face Mt. Baden-Powell. 2332 Comment
  LA200119  Dryopteris arguta Lawrence L. Kiefer; 1966-3-20 1768 Los Angeles SANTA MONICA MOUNTAINS, Big Rock Road at Malibu Heights. 60 Comment
  RSA650215  Dryopteris arguta G. S. Eleiott 1949-5-4 s.n. Los Angeles San Dimas Canyon. 457 Comment
  SFV14651  Dryopteris arguta J. C. Dittes, C. Williams 1989-4-29 2 Los Angeles San Gabriel Mountains Upper Big Tujunga River (Wikiup), 0.3 (1/3) miles downstream from bridge to Camp Colby. Comment
  LA105034  Dudleya cymosa subsp. ovatifolia Peter H. Raven; David Verity 1960-5-7 15326 Los Angeles Santa Monica Mountains, Arroyo Sequit, upper Arroyo Sequit 243 Comment
  RSA423503B  Dudleya cymosa subsp. pumila Anstruther Davidson s.n. Los Angeles Rock Creek. Comment
  UCR147724  Dudleya cymosa subsp. pumila Steve Boyd, Amber Maurice 2004-5-18 11324 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
  UCR263271  Dudleya cymosa subsp. pumila Anuja Parikh, Nathan Gale 2012-5-2 3575 Los Angeles Transverse Range: San Gabriel Mountains, West Fork San Gabriel River, 0.6 km east of Cogswell Reservoir 685 Comment
  POM265726  Dudleya lanceolata J. C. Roos 1937-6-29 1788 Los Angeles Malibu Beach. Comment
  UC147127  Dudleya lanceolata E. Braunton May, 1903 Los Angeles Los Angeles Comment
  UC52268  Dudleya lanceolata Ernest Braunton May 1903 882 Los Angeles Los Angeles Comment
  RSA83378  Dudleya lanceolata F. W. Peirson 1925-4-23 5810 Los Angeles San Gabriel River 365 Comment
  UCSB42806  Dudleya lanceolata Rayburn, K. 1980-4-3 Los Angeles North side of Hwy. 126; at southeast edge of Piru 762 Comment
  RSA600980  Dudleya pulverulenta L. C. Wheeler 1967-6-26 9876 Los Angeles San Gabriel Mountains : Elsmere Canyon, near mouth. 434 Comment
  UCSB11269  Dudleya virens Hancock, Dan 1961-3-30 Los Angeles 0.7 mi. south of Power Station, 150 ft. off of Pebble Beach Rd. 30 Comment
  CATA3555  Dudleya virens subsp. hassei Peter J. Dixon 2018-6-17 119 Los Angeles Santa Catalina Island: Pacific side; Little Harbor area, from road embankment, 0.5 mi South of Little Harbor Campground. 0 Comment
  UCR210237  Dysphania ambrosioides R. G. Swinney 2008-10-20 9655 Los Angeles San Gabriel Mountains, San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  CHSC3692  Dysphania multifida M. MacArthur 1966-5-12 16 Los Angeles San Rafael Hills- Glendale College. 213 Comment
  UCD169272  Dysphania multifida Elizabeth McClintock 1943-5-29 s.n. Los Angeles UCLA Campus, Westwood Blvd. Comment
  RSA0034930  Echinochloa P. R. Brown 1970-10-5 s.n. Los Angeles Lower end of Canon de Lana. Pierce College Nature Center. Comment
  LA105057  Echinochloa crus-galli Barry A. Prigge; 1988-7-3 8209 Los Angeles Santa Monica Mountains, Calabasas, ca 0.4 mi E of jtn of Mulholland Hwy and Old Topanga Rd, S of E-end of Calabasas High School track 313 Comment
  POM368090  Echium candicans George Vowels 1968-3-10 s.n. Los Angeles Mulholland Dr., east of Coldwater & west of Laurel Canyon. Comment
  RSA699878  Echium candicans LeRoy Gross 2004-3-19 1208 Los Angeles San Rafael Hills: North section of hills; Gate # 4 Along Ridge Motorway (dirt road) at corner of Camino San Rafael and Flintridge drive. 502 Comment
  RSA0091499  Eclipta prostrata R. G. Swinney 2010-6-29 13377 Los Angeles Hansen Food Control Basin, confluence of Big Tujunga Wash/stream with Hansen Lake. 308 Comment
  RSA711454  Eclipta prostrata LeRoy Gross, John Gross, Johnny Gross, Matthew Gross 2005-11-11 2440 Los Angeles Big Tujunga Canyon across from the mouth of Vasquez Creek. 610 Comment
  UCR150926  Ehrharta calycina Valerie Soza, LeRoy Gross 1999-5-11 466 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, southwest of Johnstone Peak, east side of junction of Sycamore Flat Motorway and Bluebird Motorway 869 Comment
  UC2030046  Eleocharis parishii Louis C. Wheeler 1966-10-1 8924 Los Angeles SAN GABRIEL MOUNTAINS: Big Tujunga Canyon at Colby RanchRoad. Comment
  UCR191201  Eleocharis parishii R. G. Swinney 1999-6-30 7477 Los Angeles San Gabriel Mtns., Grand View Canyon, c. 1.3 mi. north of Big Pines Hwy at All Nations Camp 1561 Comment
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May 10 2012
  RSA365459  Eleocharis parishii Crawford 1936-4-17 s.n. Los Angeles Los Angeles-Ventura counties. Santa Susana Pass. Comment
  RSA590658  Eleocharis parishii Timothy S. Ross, Steve Boyd 1990-6-1 2766 Los Angeles San Gabriel Mountains, Magnetic Springs: in Moody Canyon (ca 2.15 air-miles NW of Mt Gleason) 1195 Comment
  UCR24046  Eleusine indica John C. Roos 1942-10-1 1735 Los Angeles Los Angeles, North Boyle and Bridge Street Comment
  SD215348  Elymus X hansenii Timothy S Ross, Steve Boyd 1995-6-29 8661 Los Angeles Near west summit of Liebre Mountain. 1707 Comment
  UCR166707  Elymus elongatus Scott D. White, Jennifer H. Jones 2005-6-23 11148 Los Angeles San Gabriel Mtns, Acton area. South of Powerline access road (ANF 4N32), between Arrastre Canyon and Moody Canyon 1098 Comment
  UCR223075  Elymus elymoides R. G. Swinney 2009-5-13 10780 Los Angeles Transverse Range; San Gabriel Mtns., upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1183 Comment
  UCR276717  Elymus elymoides R. G. Swinney 2010-9-21 13865 Los Angeles San Gabriel Mountains, summit of Mt. Hawkins, at north end of Copter Ridge 2698 Comment
  POM178021  Elymus glaucus Joseph A. Ewan 1931-5-16 4202 Los Angeles Dry Canyon above Calabasas, Santa Monica Mountains 366 Comment
  POM365345  Elymus glaucus Anstruther Davidson s.n. Los Angeles E. Los Angeles. Comment
  RSA757075  Elymus glaucus R. G. Swinney 2008-9-13 9455 Los Angeles Buckhorn Canyon waterfall, 0.4 mi. north of Burkhart Trail parking lot 1893 Comment
  SEINET263602  Elymus glaucus R. L. Lingenfelter, GD Brown 1962-6-6 1163 Los Angeles Angeles National Forest ; Little Gleason Canyon Comment
  UCR259591  Elymus glaucus R. G. Swinney 2010-9-7 13730 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
  LA105046  Elymus glaucus subsp. glaucus Barry A. Prigge; 1988-7-3 8180 Los Angeles Santa Monica Mountains, ca 0.4 mi E of junction of Mulholland Hwy and Old Topanga Rd, across hwy from Calabasas High School 316 Comment
  RSA777373  Elymus glaucus subsp. glaucus Orlando Mistretta, Christine Mistretta 2010-5-19 5139 Los Angeles San Gabriel Mountains region: Aliso Canyon; approximately 1.75 mile NW of the intersection of Aliso Cyn and the Angeles Forest Hwy. 1103 Comment
  UCR260623  Elymus glaucus subsp. glaucus R. G. Swinney 2010-8-9 13455 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, Camp Sturtevant Heliport Trail 0 to 0.3 miles ENE of the camp and the jct. of the Mt. Zion Trail and the Sturtevant Trail 427 Comment
  UCR223260  Elymus hispidus R. G. Swinney 2009-8-25 11468 Los Angeles Transverse Range; San Gabriel Mtns., west summit of Table Mountain, NE of Big Pines 2291 Comment
  POM359948  Elymus multisetus Anstruther Davidson 1890-04 s.n. Los Angeles [no locality information provided] Comment
  RSA401561A  Emmenanthe penduliflora H. L. Bauer 1931-6-1 s.n. Los Angeles Foothills of Topango Mountains. Comment
  UCR276777  Emmenanthe penduliflora var. penduliflora R. G. Swinney 2011-5-16 14721 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 deg. SSE of jct. of Colby Ranch Rd. and FS Rd 3N19 in Big Tujunga Cyn. 1122 Comment
  RSA93904  Encelia actoni F. W. Peirson 1921-5-19 4144 Los Angeles Little Rock Creek, north base of San Gabriel Mts. 915 Comment
  RSA571639  Encelia californica F. H. Elmore 1939-11-26 s.n. Los Angeles Wilsons Cove, San Clemente Island. Comment
  RSA720142  Encelia farinosa LeRoy Gross 2007-4-6 2625 Los Angeles Southern base of the range: Debris basin behind Bel Aire Park, at the intersection of Cambridge Drive and Bel Aire Drive. City of Burbank. 273 Comment
  RSA383847  Ephedra viridis L. E. Hoffman 1931-11-28 s.n. Los Angeles Angeles National Forest: Holcomb Creek. Comment
  IRVC28557  Epilobium canum A. C. Sanders 2003-8-5 27109 Los Angeles Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters NE end of Santa Susana Mtns. 320 Comment
  UCR150609  Epilobium canum R. G. Swinney 1999-6-21 7368 Los Angeles San Gabriel Mtns., Big John Flat 1671 Comment
  CAS-BOT-BC166199  Epilobium canum subsp. canum Chester Dudley 1931-7-1 s.n. Los Angeles San Gabriel Mts. Comment
  RSA251421  Epilobium canum subsp. canum Robert F. Thorne 1966-4-17 36115 Los Angeles San Clemente Island: near bottom of Box Canyon NW of Horse Canyon, SW of Thirst. 213 Comment
  SD85049  Epilobium canum subsp. canum E. R. Blakley 1961-9-24 4779 Los Angeles Santa Catalina Island. Little Harbor at mouth of Little Springs Canyon. 6 Comment
  SDSU8889  Epilobium canum subsp. canum D. F. Howe 1951-10-7 2162 Los Angeles Mandeville Canyon, Santa monica Mountains. Comment
  UC20672  Epilobium canum subsp. canum Blanche Trask Oct. 1896 Los Angeles Avalon Santa Catalina Island Comment
  CAS-BOT-BC166265  Epilobium canum subsp. canum R. J. Dobbs 1927-11-11 836 Los Angeles 1/4 mile above Muller Ranger Station, San Gabriel Mts. 365 Comment
  POM17792  Epilobium canum subsp. latifolium P. A. Munz 1923-9-1 7710 Los Angeles Swartout Valley, San Antonio Mtns. 2351 Comment
  RSA145420  Epilobium canum subsp. latifolium Gale Sphon 1959-6-27 375 Los Angeles San Gabriel Mountains, Angeles National Forest. South Fork, Big Rock Creek Comment
  RSA733762  Epilobium canum subsp. latifolium R. G. Swinney 2000-6-19 7824 Los Angeles Pine Mountain, north of Azusa. 1384 Comment
  UCR209861  Epilobium canum subsp. latifolium R. G. Swinney 2008-7-15 9198 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  UCR219434  Epilobium ciliatum R. G. Swinney 2009-3-28 10184 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon 427 Comment
  RSA588155  Epilobium ciliatum subsp. ciliatum Orlando Mistretta 1994-5-23 1242 Los Angeles Little Rock Creek. Just N of jct. of Forest Road 4N15 and 4N04.3. 1220 Comment
  UC56457  Epilobium ciliatum subsp. ciliatum Ernest Braunton 1902-5-10 289 Los Angeles Rivera Comment
  RSA330814  Epilobium glaberrimum Wayne E. Sawyer 1981-7-7 80 Los Angeles San Gabriel Mountains., Angeles National Forest: Little Jimmy Spring. 2256 Comment
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Mar 22 2012
  SEINET3149904  Epilobium parishii G. B. Grant 1904-6-17 400 /6302 Los Angeles Pasadena Comment
  RSA0064056  Epipactis gigantea R. G. Swinney 2010-9-9 13765 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1994 Comment
  UCR104150  Epipactis gigantea Scott D. White 1997-5-21 5203 Los Angeles San Gabriel Mtns., San Gabriel River Canyon: north of Azusa, parallel to Hwy 39, along unnamed dirt access road to gauging station below Morris Dam 290 Comment
  SEINET10297476  Epipactis gigantea Unknown 1967-7-19 37192 Los Angeles SAN GABRIEL MTS., ANGELES NATIONAL FOREST: Big Cienega Springs above Crystal Lake Recreation Area, moist, mountainside meadow in yellow pine forest, elev. ca. 6500 ft. 1981 Comment
  LA94022  Equisetum hyemale subsp. affine Lawrence L. Kiefer; 1962-12-24 339 Los Angeles 228 Comment
  UC1870338  Equisetum hyemale subsp. affine LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 719 Los Angeles [Transverse Ranges; Verdugo Mountains region]; South side; Off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned in Summer-Fall of 2002. 576 Comment
  RSA639598  Equisetum hyemale var. affine L. C. Wheeler 1932-5-4 679 Los Angeles San Dimas Canyon, San Gabriel Mts. 381 Comment
  CATA326  Equisetum laevigatum Mark L. Hoefs 1973-7-13 358 Los Angeles Santa Catalina Island: Lower Middle Ranch Canyon 38 Comment
  SEINET13384060 Image available Equisetum laevigatum R. G. Swinney 2011-1 15314 Los Angeles San Gabriel Mountains: Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao Visitor Center 1582 Comment
  POM211417  Equisetum laevigatum L. C. Wheeler 1933-10-7 2167 Los Angeles Dry sunny bank with underground water. Liveoak Canyon, San Gabriel Mts. 762 Comment
  RSA84282A  Equisetum telmateia var. braunii F. W. Peirson 1920-4-25 8450 A Los Angeles Arroyo Seco, Pasadena 411 Comment
  UCR21045  Eragrostis pectinacea var. pectinacea John C. Roos 1940-9-6 s.n. Los Angeles Westwood Village, Los Angeles 90 Comment
  UC1180504  Eranthemum pulchellum H. W. Shepherd 1940-6-15 Los Angeles At Del Amo nursery; Compton, California Comment
  RSA432672  Eremalche exilis Blanche Trask 1901-03 2593 Los Angeles Avalon, Santa Catalina Island. Comment
  UCR116288  Eremalche exilis B. G. Pitzer 1998-5-12 3701 Los Angeles Western Mojave Desert, W side of 170th Street East, 0.5 mi. south of Avenue 'J' (N5), and c. 0.2 mi. north of the west entrance to Saddleback Butte State Park 890 Comment
  UC153537  Eremocarpus setiger LeRoy Abrams 1902-8-20 2966 Los Angeles near Inglewood Comment
  RSA0034377  Eremogone macradenia var. arcuifolia R. F. Thorne, C. W. Tilforth 1971-6-30 40795 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
  RSA0107974  Eriastrum densifolium subsp. austromontanum R. E. Riefner 1996-6-7 96 -111 Los Angeles Santa Clarita, Hwy. 14 along Placer Creek. Comment
  UCD118315  Eriastrum sapphirinum G. Haught 1997-5-10 37 Los Angeles Santa Monica Mountains, between Stunt and Stoke Roads. Comment
  RSA620239  Ericameria cooperi B. Pitzer 1998-5-23 3739 Los Angeles Western Transverse Range Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  POM359336  Ericameria cuneata var. cuneata Anstruther Davidson 1915-8-11 3090 Los Angeles Ice Canyon, Camp Baldy Comment
  RSA0091519  Ericameria linearifolia R. G. Swinney 2010-5-12 12723 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
  RSA777530  Ericameria linearifolia R. G. Swinney 2009-5-20 10822 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge. 1433 Comment
  UC74059  Ericameria linearifolia J. Burtt Davy May 9 1896-May 24 1896 2296 Los Angeles Llano Verde Antelope Valley, Llano Verde (foothills at Mr. Bell's) Comment
  SEINET13203275 Image available Ericameria nauseosa subsp. consimilis R. G. Swinney 2011-1 15864 Los Angeles San Gabriel Mountains: along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek (Crystal Lake 7.5' Q.) 1000 Comment
  CAS-BOT-BC298896  Ericameria nauseosa var. bernardina Tim Ross 1990-8-17 3160 Los Angeles San Gabriel Mts: road crossing of the drainage just below Icy Springs, in upper Big Rock Creek 1737 Comment
  SJSU13620  Ericameria nauseosa var. bernardina C. W. Sharsmith 1945-9-7 5459 Los Angeles summit of Mt Waterman, San Gabriel Mts 2225 Comment
  UCR192961  Ericameria palmeri Dan S. Cooper 2008-4-5 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., along Forest Lawn Dr. across from the cemetery, vicinity of Griffith Park, Los Angeles 160 Comment
  UC1118785  Ericameria palmeri var. pachylepis A. D. Gifford 1935-1-8 416 Los Angeles mouth Grasshopper Canyon; Tejon Quadrangle Comment
  CAS-BOT-BC293116  Ericameria pinifolia Bunch; Baily 1974-8-15 1211 Los Angeles Below site #9 in wash. Texaco Oil Field, Castaic Comment
  JEPS19139  Ericameria pinifolia Frank W. Peirson 1918-10-16 268 Los Angeles Pacoima Canyon San Gabriel Mountains, Pacoima Canyon 518 Comment
  RSA764413  Ericameria pinifolia Justin M. Wood 2009-8-18 1254 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  SD9096  Ericameria pinifolia J. C. Nevin 1885-1 Los Angeles Los Angeles Comment
  OBI64701  Erigeron foliosus var. foliosus Scott D. White 2004-8-11 10696 Los Angeles San Gabriel Mts: about 8 air mi W -NW of Wrightwood. E of Fenner Saddle Rd on Pacific Crest trl. T4N R8W, S31, SE 1/4 2195 Comment
  RSA654221  Erigeron foliosus var. foliosus Valerie L. Soza, Ian Gillespie, LeRoy Gross 2000-5-18 947 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, SW of Johnstone Peak, above Wildwood Canyon. 655 Comment
  POM304738  Erigeron foliosus var. foliosus Henry J. Ramsey, Henry J. Ramsey 1937-7-18 142 Los Angeles Soldiers Creek. Comment
  RSA592780  Eriodictyon crassifolium var. nigrescens Steve Boyd 1996-4-4 8533 Los Angeles Liebre Mountains, ridgeline and adjacent slopes of side canyon to Charlie Canyon, west of San Francisquito Canyon off Angeles National Forest Road 5N17, ca 1.4 road miles south of jtn with 5N16. 488 Comment
  SFV22114  Eriodictyon crassifolium var. nigrescens J. M. Keefe 2001-1-19 30972 Los Angeles San Fernando Valley Big Tujunga Wash, 200 m northwest of corner of Westcott Avenue and Grove Street in Sunland. 385 Comment
  UCR129927  Eriodictyon crassifolium var. nigrescens Orlando Mistretta, Steve Boyd, D. L. Banks 1994-4-29 1139 Los Angeles San Gabriel Mtns, Santiago Canyon 1143 Comment
  CATA299  Eriodictyon traskiae subsp. traskiae Mark L. Hoefs 1973-6-5 319 Los Angeles Santa Catalina Island: By upper White's Landing Road 411 Comment
  RSA658375  Eriodictyon trichocalyx Naomi Zohman 1985-4-28 16 Los Angeles Junction of CA Hwy 39 along west fork of San Gabriel River. Forest Service Road. Comment
  RSA455072  Eriodictyon trichocalyx var. trichocalyx F. R. Fosberg 1931-8-11 S 5656 Los Angeles Pine Flats, N fork San Gabriel Canyon. 1800 Comment
  CAS-BOT-BC248477  Eriogonum angulosum Carl B. Wolf 1932-10-21 4362 Los Angeles One-half mile east of Palmdale, Mojave Desert 807 Comment
  IRVC28809  Eriogonum angulosum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25516 Los Angeles Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters NE end of Santa Susana Mtns. 313 Comment
  UCR259555  Eriogonum baileyi R. G. Swinney 2010-9-7 13714 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  UCSB6807  Eriogonum baileyi Ewan, Joseph 1927-10-16 Los Angeles Mohave Desert near Portal Ridge 841 Comment
  SBBG61858  Eriogonum brachyanthum P. A. Munz, I. M. Johnston 1928-9-4 11166 Los Angeles ca. 2 mi E of Palmdale 1005 Comment
  UC527612  Eriogonum cinereum C. B. Wolf 1931-1-25 2244 Los Angeles along Beverly Blvd., on grade leading down into Santa Monica Canyon 45 Comment
  CAS-BOT-BC241939  Eriogonum cithariforme A. D. E. Elmer 1902-6-1 3713 Los Angeles Acton Comment
  UC1537290  Eriogonum clavatum Gordon H. True Jr. 1936-5-16 295 Los Angeles 4 mi s Palmdale (head of Mint Canyon); Mint Canyon 914 Comment
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Dec 22 2020
  SBBG125874  Eriogonum davidsonii A. Parikh, N. Gale 2010-6-10 1087 Los Angeles Sierra Pelona, NW of Vincent and Soledad Pass, 2.5 km NW of State Hwy 14; E Liebre Mtns 1087 Comment
  UC63982  Eriogonum davidsonii Geo. R. Hall Sept. 1904 Los Angeles Swartout Canyon San Antonio Mts., Swartout Canyon 2133 Comment
  SEINET4044594  Eriogonum elongatum D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 365 Comment
  LA200763  Eriogonum elongatum var. elongatum Norman A. Cole; May 1964 389 .7 Los Angeles SANTA MONICA MOUNTAINS, Triunfo Canyon, Malibu Lake, Lake Malibu bridge on Lake Vista Rd. 213 Comment
  LA206778  Eriogonum fasciculatum M. Zaitlin; 1951-3-17 sn Los Angeles San Gabriel Mountains, Angeles Crest Highway 761 Comment
  UC1871048  Eriogonum fasciculatum subsp. foliolosum Tim Ross, Steve Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3919 Los Angeles Liebre Mountain: near center of the long summit, in the vicinity of the old radio tower site 1719 Comment
  RSA598109  Eriogonum fasciculatum var. fasciculatum Steve Boyd, Lauren Raz 1997-3-4 9157 Los Angeles Liebre Mountains region, southern base of the Sierra Pelona Ridge, Crown Valley just northwest of Governor Mine, ca 0.8 mi north of Sierra Highway along Crown Valley Road. 610 Comment
  RSA656866  Eriogonum fasciculatum var. foliolosum Joseph M. Keefe 2001-1-24 31017 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  UCR106760  Eriogonum fasciculatum var. foliolosum B. G. Pitzer 1996-5-5 2875 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
  UCD100053  Eriogonum fasciculatum var. polifolium R. N. Raynor 1938-6-1 s.n. Los Angeles between Littlerock and Cajon. Comment
  UCSB1413  Eriogonum fasciculatum var. polifolium Philbrick, Ralph 1955-3-1 Los Angeles South of La Verne, Puddingstone Dam, San Jose Mts Comment
  UC375427  Eriogonum giganteum R. L. Pendleton, F. M. Reed 1909-7-3 1383 Los Angeles crest of Santa Catalina Island Santa Catalina Island 457 Comment
  CAS-BOT-BC250296  Eriogonum giganteum var. giganteum Ira L. Wiggins 1925-6-1 1770 Los Angeles White's [Whites] Landing. Santa Catalina Island Comment
  RSA393375  Eriogonum giganteum var. giganteum Anstruther Davidson 1891-6-26 s.n. Los Angeles Santa Catalina Island Comment
  JEPS56939  Eriogonum gracile Frank W. Peirson 1918-11-2 296 Los Angeles Hennigers Flats San Gabriel Mountains Comment
  LA200766  Eriogonum gracile Norman A. Cole; May 1964 405 .8 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, at junction of Cornell Rd and Lake Vista Rd 213 Comment
  UCR167536  Eriogonum gracile Scott D. White, J. Wood 2005-9-22 11225 Los Angeles Liebre Mtns, Tapia Canyon: c. 2 air mi east of the Interstate 5/Old Ridge Rt. junction 457 Comment
  RSA680542  Eriogonum gracile var. gracile Scott D. White, Michael Honer 2003-6-23 9576 Los Angeles Newhall Area: South Fork, Santa Clarita Riv. between Lyons Ave. and Magic Mountain Parkway. 351 Comment
  UCR239048  Eriogonum gracile var. gracile Anuja Parikh, Nathan Gale 2010-6-4 3257 Los Angeles Western Transverse Range; East Liebre Mountains, Sierra Pelona, 2.9 km west of State Hwy 14, 1.2 km south of Avenue S 995 Comment
  RSA250555  Eriogonum kennedyi var. alpigenum Robert F. Thorne 1967-10-3 37296 Los Angeles Mt. Baden Powell, just south of peak 2851 Comment
  RSA766472  Eriogonum kennedyi var. alpigenum Joseph A. Ewan 1934-8-9 8407 Los Angeles Summit Mt. Williamson. San Gabriel Mtns. 2500 Comment
  RSA782015  Eriogonum microtheca Elizabeth A. Kempton, Eric Paul 2006-9-10 443 Los Angeles Along Hwy. 2, at turnout 2041 Comment
  RSA766125  Eriogonum nudum var. pauciflorum Raymond J. Dobbs 1927-11-1 s.n. Los Angeles Waterman Station. San Gabriel Mts. 976 Comment
  SBBG64160  Eriogonum nudum var. pubiflorum R. Hoffmann 1927-8-31 Los Angeles Bouquet Cyn Comment
  CAS-BOT-BC266938  Eriogonum parishii James L. Reveal; C. Rose Broome 1987-6-25 6574 Los Angeles San Gabriel Mountains, along the Angeles Cress Highway (California Highway 2) at milepost 59.0, 1.2 miles west of Kratka Ridge Ski Resort and 5.2 miles west of the junction of California Highway 39 1981 Comment
  RSA317011  Eriogonum parvifolium var. parvifolium T. S. Elias, Walter Wisura 1984-7-27 8522 Los Angeles North of Malibu; Point Dume. Comment
  UCR99340  Eriogonum plumatella Steve Boyd, Lauren Raz 1996-10-14 9063 Los Angeles Liebre Mtns, Anaverde Valley near the N base of Ritter Ridge, west of Palmdale, along Tierra Subida Road 0.5 mi south of the intersection with Avenue S. 927 Comment
  RSA772169  Eriogonum pusillum R. G. Swinney 2009-5-12 10748 -A Los Angeles lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg.) of Littlerock. 1061 Comment
  POM19148  Eriogonum pusillum P. A. Munz 1923-5-27 6890 Los Angeles Mouth of Pallett Creek Comment
  CHSC36053  Eriogonum roseum James Henrickson 1972-11-2 8087 Los Angeles 4 mi. N. of Newhall in Mayo Hospital site at McBean Parkway near Orchard Village Rd. 371 Comment
  RSA567279  Eriogonum roseum Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3952 Los Angeles Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. [West Summit here construed as the 5605-foot knoll near the intersection of sections 3,4,9,10] 1390 Comment
  CAS-BOT-BC267603  Eriogonum saxatile Le Roy Abrams 1901-7-1 1921 Los Angeles Mt. San Antonio Comment
  CAS-BOT-BC262854  Eriogonum thurberi Timothy S. Ross; Steve Boyd 1990-5-15 2527 Los Angeles San Gabriel Mountains. Yerba Buena Ridge, Tujunga Ranger District, Angeles National Forest; peripheral ridge N from Yerba Buena Rd dividing tributaries of Oak Spring Canyon (W) and Boulder Canyon (N) 1021 Comment
  RSA424971  Eriogonum thurberi F. R. Fosberg 1930-8-3 S 3081 Los Angeles Lexington Wash San Gabriel River. El Monte. 80 Comment
  SBBG65509  Eriogonum thurberi R. Hoffmann 1928-7-9 Los Angeles Little Martinez Crk, 3 mi W of Castaic 205 Comment
  SBBG119162  Eriogonum umbellatum J. Latting 1978-9-17 Los Angeles between Grassy Hollow Cmpgrd and Vincent Gap on the Angeles Crest Hwy 2317 Comment
  RSA0060815  Eriogonum wrightii LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6963 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  CAS-BOT-BC264997  Eriogonum wrightii var. subscaposum Frank W. Peirson 1928-9-5 8193 Los Angeles Road from Rock Creek to Big Pines, San Gabriel Mts. 1676 Comment
  RSA596994  Eriogonum wrightii var. subscaposum Steve Boyd, Lauren Raz 1996-9-24 8968 Los Angeles Liebre Mountains, Sawmill Mountain along Forest Service Road 7N23 on broadly rounded summit area at divide between Devils Gulch and Fish Canyon. 1622 Comment
  UCR194014A  Eriogonum wrightii var. subscaposum R. G. Swinney 1998-9-4 6922 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  CAS-BOT-BC297912  Eriophyllum confertiflorum Geo. B. Grant 1902-6-26 4162 Los Angeles Mt Lowe Comment
  CAS-BOT-BC297958  Eriophyllum confertiflorum Carl B. Wolf 1932-5-9 3437 Los Angeles Santa Catalina Island, 0.5 mile from Avalon on road to Pebbly Beach 7 Comment
  POM357929  Eriophyllum confertiflorum D. S. Krause 1939-07 s.n. Los Angeles Roadside ditch, Pasadena 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
  UCR174642  Eriophyllum confertiflorum Jennifer H. Jones, Jay H. Jones 2006-6-4 378 Los Angeles Transverse Ranges; Foothills of San Gabriel Mtns., Webb Canyon Road 457 Comment
  UCR271800  Eriophyllum confertiflorum R. G. Swinney 2010-3-24 12062 Los Angeles San Gabriel Mountains, Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  LA91413  Eriophyllum confertiflorum var. confertiflorum Bruce Douglas Clayton; Greg Shaw 1972-3-16 13 Los Angeles Santa Monica Mountains, Mountain Park Research Campus, at upper canyon entrance of Temescal and Rustic Canyons 576 Comment
  RSA653768  Eriophyllum confertiflorum var. confertiflorum J. Bogdanoff-Lord 1989-5-17 17 Los Angeles Angeles National Forest: 3.9 miles NNE of the intersection of Base Line and Mills, Claremont, on west side of Mt. Baldy Road. Comment
  SEINET13276778 Image available Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-1 14493 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  SEINET7067004  Eriophyllum lanatum var. arachnoideum J. L. Crane, Payam M. Fallah 2003-7-9 Mar- 85 Los Angeles Along the Angeles Crest highway (Route 2). San Gabriel Mountains. Coordinate datum: NAD27. UTM Zone 11, 421729mE, 3801839mN. Comment
  CAS-BOT-BC308361  Eriophyllum nevinii F. M. Reed 1909-7-4 2806 Los Angeles Near Sugar loaf Avalon, Catalina Island 15 Comment
  CAS-BOT-BC308364  Eriophyllum nevinii Geo. B. Grant 1897-9-25 s.n. Los Angeles Santa Catalina Island Comment
  RSA527604  Eriophyllum nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4431 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  UC1871146  Eriophyllum pringlei T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4990 Los Angeles Transverse Ranges; Liebre Mountains region; Soledad Canyon Wash: about half mile E of Acton; T5N R13W, W1/2 SE1/4 SE1/4 section 36; elevation 2720 feet. 829 Comment
  CHSC100396  Eriophyllum wallacei John Dittes; Josephine Guardino 2008-2-23 1502 Los Angeles Western Transverse Ranges; Santa Gabriel Mtns.; Big Tujunga Cyn; ca. 2.4 air-miles SE of Mt. McKinley, ca. 4.3 air-miles NE of Mt. Gleason Jr. Highschool; near Delta Flat Picnic Area; alluvial terrace north of Big Tujunga Creek. 529 Comment
  RSA584173  Erodium botrys Tim S. Ross 1990-5-15 2533 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
  UC1587699  Erodium botrys Tim Ross, Orlando Mistretta, and Mike Hammitt 1991-5-18 5170 Los Angeles 1100 ft ssw Twin Dams (nnw of Boulder marker (1850 ')); San Clemente Island 490 Comment
  LA105106  Erodium cicutarium Barry A. Prigge; 1988-7-9 8257 Los Angeles Santa Monica Mountains, Calabasas, 900 ft ESE of N-Junction of Mulholland Hwy and Old Topanga Rd, S of Calabasas High School 374 Comment
  RSA391789  Erodium cicutarium House, Grumbles 1930-8-5 s.n. Los Angeles San Clemente Island Comment
  UCD103188  Erodium cicutarium Geoffrey Levin 1974-4-22 24 Los Angeles Wash (Blanchard Park), Pomona College, Claremont. Comment
  UCR219458  Erodium moschatum R. G. Swinney 2009-3-25 10156 Los Angeles San Gabriel Mtns. Foothills, far west end of Glendora Ridge Motorway on north side of road at boundary of El Encanto Azusa River Wilderness Park 549 Comment
  RSA529295  Erodium moschatum Tim S. Ross 1991-4-8 4455 Los Angeles Elephant Hill: western Pomona. 229 Comment
  RSA659757  Erodium moschatum Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-3 77 Los Angeles San Clemente Island. Comment
  SDSU2403  Erysimum capitatum A. H. Gallup 1949-3-16 332 Los Angeles The Wash , Claremont. 366 Comment
  UCR43339  Erysimum capitatum David Charlton 1986-6-15 250 Los Angeles San Gabriel Mtns, Lightning [=Blue?] Ridge at the intersection of Forest Rd. 3N06 and Angeles Crest Hwy, c. 4 mi NW of the San Bernardino Co. line and 5 mi NW of Wrightwood 2256 Comment
  CSUSB514  Erysimum capitatum K. T. Ingram 1976-5-16 S. N. Los Angeles Angeles National Forest On Big Pine Highway, 1.9 miles from Angeles Crest Highway Comment
  LA105383  Erysimum capitatum var. capitatum Barry A. Prigge; 1989-4-23 8492 Los Angeles Santa Susana Mountains, Devil Canyon, 1.4 air mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 429 Comment
  POM143113  Erysimum capitatum var. capitatum C. F. Baker 1904-4-30 4753 Los Angeles Claremont. 365 Comment
  RSA230729  Erysimum capitatum var. capitatum R. F. Thorne 1969-7-10 38435 Los Angeles San Gabriel Mts; Angeles National Forest; 1.5 miles W of Wrightwood 1951 Comment
  RSA66158  Erysimum capitatum var. capitatum F. W. Peirson 1921-3-3 337 Los Angeles Arroyo Seco just below entrance to canyon. 366 Comment
  RSA642278  Eschscholzia caespitosa Orlando Mistretta 1995-6-23 1845 Los Angeles San Gabriel Mountains: Lookout Mt. Trail. 1463 Comment
  POM384  Eschscholzia caespitosa subsp. caespitosa Amos Shummway 1908-05 s.n. Los Angeles Near Pasadena. Comment
  RSA0069425  Eschscholzia californica R. G. Swinney 2010-3-11 11867 Los Angeles Flood plain surrounding Haines Canyon wash, from the I-210 Fwy. in the east, where it crosses wash, to 0.5 mi. west at junction with Big Tujunga Wash. 348 Comment
  RSA656387  Eschscholzia californica J. Keeling 1980-5-11 12 Los Angeles Verdugo Mountains: Southeast side of house 3846 Fourth Avenue, La Crescenta. 473 Comment
  POM177572  Eschscholzia californica var. peninsularis Ralph Hoffmann 1931-4-28 336 Los Angeles Upper Bouquet Canyon Comment
  CAS-BOT-BC83099  Eschscholzia minutiflora Timothy S. Ross 1991-4-27 4669 Los Angeles Mojave Desert. Black Butte Basin Road. 2.75 miles and ca. 145 deg. southwest of Three Sisters (buttes). 1005 Comment
  UCR188653  Eucalyptus camaldulensis R. G. Swinney 1990-4-28 1576 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora; at the east boundary of the South Hills Park, in a canyon running east-west 305 Comment
  UCR91385  Eucalyptus viminalis Scott D. White 1995-3-15 2576 Los Angeles South Coast, Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon Road, SW of Malibu Civic Center Way 91 Comment
  UCR165419  Eucrypta chrysanthemifolia A. C. Sanders, Helen Kennedy 2005-4-13 29489 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyons 457 Comment
  UCR259958  Eucrypta chrysanthemifolia R. G. Swinney 2010-3-18 11985 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road 540 Comment
  RSA562936  Eucrypta chrysanthemifolia var. chrysanthemifolia D. Charlton 1991-7-5 5512 Los Angeles Elizabeth Canyon Rd. bridge near Warm Spring Canyon. 396 Comment
  UCR77311  Euphorbia esula Scott D. White 1992-10-8 878 Los Angeles Malibu, c. 0.5 mi. north of Pacific Coast Highway (= Hwy 1), near Malibu Creek. 164 Comment
  SBBG128812  Euphorbia misera M. L. Hoefs, R. F. Thorne, J. Takara 1995-7-26 2486 Los Angeles Little Harbor, on hillside above upper rd to Avalon 30 Comment
  LA201837  Euphorbia peplus Arthur C. Gibson; 2003-4-15 4929 Los Angeles Simi Hills, West Hills Comment
  RSA658887  Euphorbia peplus Douglas A. Springer 1981-2-26 29 Los Angeles Cal Poly Pomona University campus at junction of Olive Lane and University Drive, In Rose Garden. Comment
  RSA433506B  Euphorbia spathulata Blanche Trask 1901-03 1931 Los Angeles Avalon, Catalina Island. Comment
  LA201721  Euphorbia terracina Arthur C. Gibson; 2001-5-19 4818 Los Angeles Santa Monica Mountains, Topanga Canyon, along Pacific Coast Hwy near junction with State Hwy 27 Comment
  LA200952  Festuca microstachys Peter H. Raven; 1960-5-15 15356 Los Angeles Santa Monica Mountains1, Piuma Road 2.1 mi. E of Rambla Pacifica 487 Comment
  UCR153321  Festuca microstachys A. C. Sanders, T. B. Salvato 2005-4-26 29737 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, bowl between ridges at NE end of Cruzan Mesa, just south of Vasquez Canyon Road 595 Comment
  UCR192040  Festuca microstachys var. ciliata A. C. Sanders 2008-4-17 34939 B Los Angeles Transverse Range, mouth of canyon in hills c. 1.25 mi. SW of Neenach School, c. 1.5 mi. west of Pine Canyon 956 Comment
  LA13079  Festuca myuros A. M. Johnson; 1928-4-1 272 Los Angeles Sunland Comment
  RSA0116798  Festuca myuros Richard G. Swinney 2010-5-25 12937 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  UCR214612  Festuca myuros A. C. Sanders, Dan S. Cooper 2010-3-12 37353 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  SBBG13299  Festuca octoflora M. A. Piehl 1962-6-9 63252 Los Angeles China Pt, S of lighthouse 3 Comment
  CATA3397  Festuca perennis Peter J. Dixon 2017-4-28 087 Los Angeles Santa Catalina Island: Near Isthmus, 700 m northeast of Tower Pk. 250 Comment
  RSA603323  Ficus carica Scott D. White 1997-5-21 5190 Los Angeles San Gabriel River Canyon: N of Azusa; parallel to Highway 39; canyon bottom and adjacent slopes along unnamed dirt access road to gauging station below Morris Dam. 244 Comment
  UCD170916  Ficus carica R. G. Swinney 2009-6-12 11142 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
  RSA639572  Filago californica L. C. Wheeler 1967-5-23 9680 Los Angeles Ravine immediately southwest of mouth of Bear Canyon, off Soledad Canyon. 670 Comment
  RSA674633  Filago californica Scott D. White, Kent Hughes 2000-5-16 7866 Los Angeles San Gabriel Mountains: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  RSA585529  Filago californica Timothy S. Ross 1992-4-21 6233 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
  LA201021  Filago gallica Carl Wishner; 1989-4-12 sn Los Angeles Simi Hills, Liberty Canyon, quarry site 0.25 mi NW of US 101 underpass 320 Comment
  JEPS43936  Forestiera pubescens E. E. Allen 1922-4-28 Los Angeles near Los Angeles; Mint Canyon, Topanga Canyon Comment
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Nov 11 2014
  POM18144  Forestiera pubescens P. A. Munz 1923-5-26 6835 Los Angeles head of Vincent Gulch. 2012 Comment
  RSA0062631  Frangula californica R. G. Swinney 2010-9-9 13769 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1994 Comment
  RSA0011373  Frangula californica subsp. californica Orlando Mistretta, Youssef Atallah 2011-8-16 6060 Los Angeles Aliso Canyon; 1.4 miles north of Mill Creek Summit. 1338 Comment
  SBBG89253  Frangula californica subsp. californica J. Adams 1965-5-14 226 Los Angeles Mount San Antonio Cyn, 2.7 mi above lower Mt San Antonio Forest station 1011 Comment
  RSA391382  Frankenia grandifolia F. R. Fosberg 1931-5-17 S 4885 Los Angeles Little Harbor, Santa Catalina Island. 1 Comment
  UC1349039  Frankenia salina Robert F. Thorne and P. Everett 1965-5-11 34534 Los Angeles e side Catalina Harbor; Santa Catalina Island, Ballast Point Comment
  UCR161210  Frankenia salina T. B. Salvato, Melissa Clemons 2005-9-27 1237 Los Angeles West Mojave Desert, western edge of the Lancaster Sewage Disposal Ponds near the intersection of Hwy 14 and Avenue D, c. 4 miles SW of Rosamond (dry) Lake 704 Comment
  SEINET11978027  Frankenia salina J. F. Bright, Wyman, C. 1931-1 5720 Los Angeles In and around Hollywood Comment
  POM184670  Frasera neglecta Joseph A. Ewan 1932-6-14 7401 Los Angeles Above Sulphur Springs, east of Pacifico Mt. 1677 Comment
  LA200679  Fraxinus dipetala W. O. Griesel; 1938-2-26 sn Los Angeles SANTA MONICA MOUNTAINS, La Sierra Canyon Comment
  RSA660401  Fraxinus dipetala Orlando Mistretta 1992-6-17 590 Los Angeles Road 2N09 EA. Curtiss Haul Road, Cow Canyon. From 2nd drainage down to Cattle Canyon. Comment
  RSA0055765  Fraxinus uhdei R. G. Swinney 2010-4-1 12138 Los Angeles San Gabriel Mountains: Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Mac 399 Comment
  UC1922447  Fraxinus uhdei LeRoy Gross 2007-5-16 2731 Los Angeles [Transverse Ranges; Verdugo Mountains region]; Southern side of the range: Entrance to Wildwood Canyon at intersection with Harvard Road and Wildwood Canyon Road. Near 387 Comment
  RSA464930  Fraxinus velutina F. W. Peirson 1924-8-23 s.n. Los Angeles W fork San Gabriel River, just above forks Comment
  CHSC83014  Fremontodendron californicum Margie Graham 2002-4-30 Los Angeles San Gabriel Mountains, Western Transverse Ranges. Collected from the east side of old Hwy 99. 701 Comment
  UCR141140  Fremontodendron californicum subsp. californicum June Latting 1973-6-10 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek site, Fenner Canyon 1768 Comment
  RSA367723  Fritillaria biflora Anstruther Davidson 1892-04 s.n. Los Angeles Cahuenga. Comment
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Oct 3 2010
  POM367648  Galium andrewsii subsp. andrewsii Anstruther Davidson 1892-7-4 s.n. Los Angeles Acton. Comment
  CATA1963  Galium angustifolium F. R. Fosberg 1931-3-25 4354 Los Angeles Santa Catalina Island: Hamilton Canyon 50 Comment
  IRVC29639  Galium angustifolium A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26208 Los Angeles Castaic Valley at west foot of Castaic Mesa, Newhall Ranch Western San Gabriel Mtns. 366 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
  SDSU9311  Galium angustifolium A. H. Gallup 1948-4-9 132 Los Angeles 'The Wash' Claremont. 366 Comment
  UCR190796  Galium angustifolium R. G. Swinney 2001-5-18 7936 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
  LA200799  Galium angustifolium subsp. angustifolium Carl Epling; L. Ellison 1929-4-14 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA615923  Galium angustifolium subsp. angustifolium Scott D. White, Brian Leatherman 1997-1-14 6043 Los Angeles Santa Clara River Watershed. Upper Oak Springs Canyon above existing gravel quarry. 579 Comment
  RSA87107  Galium angustifolium subsp. angustifolium J. T. Howell 1931-5-29 6564 Los Angeles Hills of Santa Monica Mts. at Santa Monica. Comment
  RSA228861  Galium angustifolium subsp. angustifolium Robert F. Thorne 1971-6-26 40614 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Tujunga Canyon 427 Comment
  CHSC110695  Galium angustifolium var. angustifolium Dean Wm. Taylor 2003-5-29 18605 Los Angeles San Gabriel Mountains, Cold Springs Canyon, along Angeles National Forest Road 1N29 (Silver Fish Road) 1.3 miles E of the junction with Road 1N36. 868 Comment
  RSA213395  Galium aparine M. B. Dunkle 1939-4-3 7220 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  SDSU9317  Galium aparine R. M. Beauchamp 1967-3-18 294 Los Angeles In grassy bottom of canyon west of the dump below Lemon Tank. San Clemente Island Comment
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May 16 2008
  UC2029960  Galium californicum subsp. flaccidum V. Soza, Samantha Tessel 2001-6-18 1283 Los Angeles Transverse Ranges, San Gabriel Mountains region: Upper Winter Creek Trail, above Santa Anita Canyon, ca. 0.4 mile from trailhead out of Chantry Flat area. Comment
  POM367800  Galium catalinense subsp. catalinense George B. Grant, Walter Wheeler 1904-4-21 1931 -3574 Los Angeles Santa Catalina Island. Comment
  POM4422  Galium catalinense subsp. catalinense George B. Grant 1904-04 2282 Los Angeles Santa Catalina Island. Comment
  SBBG119257  Galium grande V. Soza with K. Hughes 1999-7-1 605 Los Angeles Van Tassel Ridge, off Van Tassel Ridge Rd, vicinity of Mt Bliss; T1N R10W N/2, SE/4 S8 1036 Comment
  CAS-BOT-BC223135  Galium johnstonii Joseph Andorfer Ewan 1936-7-29 9857 Los Angeles SW. slope of Table Mt., San Gabriel Mts. 2133 Comment
  RSA530050  Galium johnstonii Tim S. Ross 1991-8-16 5839 Los Angeles San Gabriel Mountains, Horse Flats. 1720 Comment
  RSA590471  Galium nuttallii subsp. insulare Tim S. Ross 1993-4-21 6831 Los Angeles Santa Catalina Island. SW part of the island along major E-W ridge between ''Carlos'' (972ft) and Cactus Peak (1560ft). 320 Comment
  RSA729645  Galium parishii R. G. Swinney 1998-7-2 6236 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  RSA202659  Galium parishii F. Ehrendorfer, Grant 1959-6-14 5902 Los Angeles San Gabriel Mountains, hills about 2 miles north of Big Pines. 1982 Comment
  NY43182  Galvezia speciosa J. B. Walker 1995-6-5 1427 Los Angeles Santa Catalina Island, S end of White's Landing 3 Comment
  CAS-BOT-BC235476  Gambelia speciosa Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-8 4430 Los Angeles San Clemente Island. E side of island, Bryce Cyn near Malo Point Comment
  CATA1652  Gambelia speciosa Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-6-13 2938 Los Angeles Santa Catalina Island: Behind Little Harbor 9 Comment
  HSC46489  Gambelia speciosa Reid Moran 1941-2-23 602 Los Angeles Santa Catalina Island, NW of Johnson's Valley 10 Comment
  UCR214672  Gamochaeta pensylvanica A. C. Sanders, Dan S. Cooper 2010-4-30 38154 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA305065  Garrya veatchii Kei Nakai 1975-11-27 TCSP- 155 -75 Los Angeles Topanga Canyon. Along Fire Road 30 within Topanga Canyon State Park Boundary. 488 Comment
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Apr 10 2014
  UC1122721  Garrya veatchii W. T. Murphy 1928-2-28 Los Angeles e of Little Dalton Canyon; Pomona Quad. 762 Comment
  POM177949  Garrya veatchii J. Ewan 1931-3-21 4073 [?] Los Angeles Open stony fire-break. At summit of Saddle Peak. Santa Monica Mts. 823 Comment
  RSA529186  Gayophytum diffusum subsp. parviflorum Tim S. Ross, Steve D. Boyd 1991-7-24 5649 Los Angeles Granite Mountain : San Gabriel Mountain Range. 1902 Comment
  UCSB43757  Genista linifolia Nakashima, L. 1982-4-17 Los Angeles West of Wrigley Memorial Garden on Memorial Road; 0.6 miles from its junction with Avalon Canyon Road; on Santa Catalina Island 175 Comment
  CDA4080  Genista monosperma Steve Boyd 1990-2-3 3828 Los Angeles San Gabriel Mtns.; San Gabriel Mountains, base of range at Padua Hills, just W of mouth of San Antonio Canyon. 0 Comment
  SD212592  Genista monspessulana Jennifer H. Jones, Jay H. Jones 2006-6-4 382 Los Angeles Foothills of San Gabriel Mountains; Webb Canyon Road. 415 Comment
  UCR192189  Gilia A. C. Sanders 2008-4-17 34938 Los Angeles Transverse Range, mouth of canyon in hills c. 1.25 mi. SW of Neenach School, c. 1.5 mi. west of Pine Canyon 956 Comment
  POM10177  Gilia angelensis P. A. Munz, R. D. Harwood 1920-4-21 3685 Los Angeles San Dimas Canyon; South face of San Gabriel Mts 457 Comment
  RSA276106  Gilia angelensis Mark Hoefs, Doug Propst 1973-4-6 139 Los Angeles Santa Catalina Island: Middle of Cape Canyon. 304 Comment
  RSA590411  Gilia angelensis T. S. Ross 1993-4-21 6862 Los Angeles Santa Catalina Island: SW part of island in the vicinity of Cactus Peak (1560 ft); slope and small ridges N of Cactus Peak summit. 396 Comment
  RSA612108  Gilia angelensis Steve Boyd, Valerie Soza 1998-4-28 10159 Los Angeles Liebre Mountains region: Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon, top of ridge on south side of the canyon. 634 Comment
  SBBG31491  Gilia angelensis R. F. Thorne 1966-4-6 Los Angeles ca. 1 mi W of Empire Landing 213 Comment
  SBBG91831  Gilia angelensis S. A. Junak 1978-4-16 SCa 048 Los Angeles slopes above N side of Isthmus Cove, Two Harbors 45 Comment
  UC880099  Gilia angelensis C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-5-13 4764 Los Angeles Bouquet Canyon Comment
  UC909021  Gilia angelensis Herbert L. Mason 1926-4-26 2955 Los Angeles 4 mi w Saugus; w of Saugus Comment
  UCR205180  Gilia angelensis R. G. Swinney 2008-4-10 8626 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lodi Canyon, west of San Dimas Reservoir 463 Comment
  RSA705330  Gilia brecciarum subsp. brecciarum J. Mark Porter, Theodore Anderson 2005-5-27 14416 Los Angeles Angeles National Forest. San Gabriel Mountains, Blue Ridge, south and west of Wrightwood along Hwy 2 (Angeles Crest Highway), ca. 0.3 mi, by road, wsw of Inspiration Point. Comment
  RSA674640  Gilia capitata Scott D. White 2000-5-16 7859 Los Angeles Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  RSA607026  Gilia capitata subsp. abrotanifolia L. C. Wheeler 1968-5-24 s.n. Los Angeles San Gabriel Mountains: Northwest slope of Smith Mountain, along Bear Creek Trail. 1280 Comment
  RSA469353  Gilia clivorum E. A. Purer, Freda Detmers 1931-3-21 s.n. Los Angeles Palos Verdes Hills. Comment
  RSA0011522  Gilia diegensis Orlando Mistretta, Christine Mistretta 2011-6-23 5743 Los Angeles Aliso Cyn drainage. Near head of Gleason cyn, W of jct. of Forest Rd. 4N24 and Pacific Crest Trail. 1679 Comment
  RSA0056280  Gilia gilioides L. Haines 1935-6-4 s.n. Los Angeles Little Dalton, San Gabriel Mts. Comment
  SBBG64441  Gilia inconspicua var. sinuata R. Hoffmann 1925-4-19 Los Angeles Elizabeth Lake Comment
  HSC16972  Gilia latiflora C. S. Apperson 1966-4-4 Los Angeles 9 mi. from Sierra Hwy. W on Ave. D Comment
  UCR84483  Gilia latiflora subsp. cuyamensis T. S. Ross, Steve Boyd 1994-5-25 7882 Los Angeles Liebre Mtns., West Summit of Liebre Mtn, West Summit here construed as the rounded knoll 100 m south of the intersection of sections 3, 4, 9, 10. 1709 Comment
  RSA586622  Gilia malior T. S. Ross 1991-3-23 4282 Los Angeles Northeastern-most corner of the county, ca. 3 mi. SSE of Jackrabbit Hill (Kern Co.), (ca. 1.45 mi. S of Kern Co. line and 0.2-0.5 mi. W of San Bernardino Co. line). 878 Comment
  SDSU3092  Gilia nevinii R. M. Beauchamp 1967-3-17 247 Los Angeles Common annual on slope east of Wilson Cove. San Clemente Island Comment
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May 16 2008
  UC1215194  Gilia nevinii Peter H. Raven 1962-4-10 17192 Los Angeles rocky slopes s Wilson Cove (San Clemente Island); , s of Wilson Cove 91 Comment
  UC1594380  Gilia nevinii Tim Ross 1992-4-14 6164 Los Angeles just above mouth Nanny Canyon (lower end canyon, central e side San Clemente Island); San Clemente Island, central e side, Nanny Canyon 182 Comment
  RSA0016270  Gilia ochroleuca subsp. bizonata T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4811 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  UCR124249  Gilia ochroleuca subsp. bizonata L. C. Wheeler 1973-4-21 s.n. Los Angeles San Gabriel Mtns, Foothills of the mountains: 2 mi NE of Vincent 991 Comment
  RSA0004813  Gilia sherman-hoytiae P. A. Munz, T. Craig 1933-5-13 12925 Los Angeles 10 miles south of Muroc. Comment
  RSA507517  Githopsis diffusa subsp. diffusa L. C. Wheeler 1967-5-18 9643 Los Angeles Angeles National Forest; Placerita Canyon. 518 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
  UCR95583  Glycyrrhiza lepidota Steve Boyd, M. Wall 1996-5-16 8782 Los Angeles Liebre Mtns., confluence of Ruby Canyon and Elizabeth Lake Canyon at northwest end of Red Mountain 585 Comment
  RSA3539  Gnaphalium californicum C. B. Wolf 1932-5-9 3483 Los Angeles Left (east) fork of Pebbly Beach Canyon about 1/3 mile above the Mexican houses, Santa Catalina Island. 152 Comment
  RSA591973  Gnaphalium californicum Mark Hoefs 1974-4-30 431 Los Angeles Santa Catalina Island: by trail in Hermit's Gulch. 91 Comment
  RSA657352  Gnaphalium californicum J. Keeling 1980-6-1 42 Los Angeles South side of Big Tujunga Canyon Road, 1/2 mile east of Mt. Gleson intersection, Tujunga 549 Comment
  RSA658315  Gnaphalium californicum D. G. Tanner 1989-5-31 sx- 23 Los Angeles Fish Canyon Wash. Comment
  RSA778873  Gnaphalium palustre Orlando Mistretta, Christine Mistretta 2010-6-1 5226 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
  RSA604489  Gnaphalium palustre L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1997 Comment
  UCR256205  Gnaphalium purpureum R. G. Swinney 2010-6-8 13221 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
  POM358930  Gnaphalium ramosissimum Anstruther Davidson 1896-1 s.n. Los Angeles [Unspecified] Comment
  POM188387  Goodmania luteola P. A. Munz, T. Craig 1933-5-13 12932 Los Angeles 10 miles south of Muroc. Comment
  SEINET2042299 Image available Grayia spinosa B. Pitzer 1998-5-12 3707 Los Angeles Western Mojave Desert; HWY 18 (=Hwy 138 = Palmdale Hwy), ca. 1 mi W of the San Bernardino Co. Line. (Mescal cCreek 7.5') 1171 Comment
  CAS-BOT-BC305268  Grindelia hirsutula John Thomas Howell 1931-5-29 6561 Los Angeles Hills of Santa Monica Mts. at Santa Monica Comment
  POM359184  Gutierrezia californica Anstruther Davidson 1891-1 s.n. Los Angeles E. Los Angeles. Comment
  UCR239606  Gutierrezia californica Dan S. Cooper 2012-3-19 312- 39 Los Angeles South Coast, Palos Verdes Peninsula, Three Sisters Reserve, north of Barkentine Rd. and of Palos Verdes Dr. South, near Sunshine Trail 117 Comment
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Apr 27 2016
  CAS-BOT-BC302128  Gutierrezia sarothrae Vernon O. Bailey 1907-10-29 s.n. Los Angeles San Fernando Comment
  CATA1999  Hainardia cylindrica Steven A. Junak, Mark Hoefs 1997-6-4 421 Los Angeles Santa Catalina Island: NE end of Upper Buffalo Corral Reservoir 188 Comment
  RSA603186  Haplopappus parishii L. C. Wheeler 1972-12-20 12783 Los Angeles San Gabriel Mountains: Cow Canyon Saddle 1372 Comment
  UCR84486  Harpagonella palmeri T. S. Ross, Janet Takara 1993-4-23 6939 Los Angeles Channel Islands, Santa Catalina Island, upper E side of Cottonwood Canyon drainage, on northwesterly-trending ridge 900m WNW of Black Jack Mtn summit 494 Comment
  RSA157780  Hazardia cana Peter H. Raven 1962-5-10 17730 Los Angeles San Clemente Island; large canyon west of Thirst. 305 Comment
  SJSU13644  Hazardia squarrosa var. squarrosa C. W. Sharsmith 1942-9-11 4503 Los Angeles E of Big Tujunga Canyon, San Gabriel Mts 670 Comment
  CAS-BOT-BC223987  Helianthemum scoparium C. B. Wolf 1931-6-25 2237 Los Angeles S.W. of Los Angeles Botanic Garden, (Mandeville Can yon [Canyon]) 60 Comment
  RSA0096948  Helianthemum scoparium L. C. Wheeler 1968-5-25 s.n. Los Angeles San Gabriel Mountains: Mesa on west side of Bear Creek. 609 Comment
  JEPS19508  Helianthus annuus Peter H. Raven 1957-9-21 11327 Los Angeles small hill at nw end UCLA campus; Los Angeles Comment
  RSA0088412  Helianthus annuus R. G. Swinney 2010-2-27 11748 Los Angeles Sunland, SE end of Hansen Dam Basin, Haines Canyon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain 348 Comment
  IRVC29002  Helianthus annuus subsp. lenticularis A. C. Sanders, Mark Elvin 2002-6-25 25269 Los Angeles Newhall Ranch, large natural spring at north foot of "Airport Mesa," 0.75 mi. SW of Castaic Junction NE end of Santa Susana Mtns. 305 Comment
  CAS-BOT-BC305698  Helianthus gracilentus Ralph Hoffmann 1930-6-6 s.n. Los Angeles Alamo Creek, northern Los Angeles Co. Comment
  SEINET3402321  Helianthus gracilentus R. W. Spellenberg, N. Zucker 2011-4-12 14268 Los Angeles 9 air km S of Thousand Oaks on CA. Hwy. 23/ Mullholland Hwy, 26 km NE of split of Mullholland Hwy from CA 23 to coast. 540 Comment
  SBBG131907  Heliotropium curassavicum S. A. Junak 2000-6-30 SCa 1357 Los Angeles upper end of Little Harbor, near camp area, cmpgrd (N end) 7 Comment
  UCR101254  Hemizonia clementina L. C. Wheeler 1962-5-20 8085 Los Angeles Channel Islands, Santa Catalina Island, Isthmus Station Comment
  POM49288  Hemizonia fasciculata L. W. Nuttall 1920-5-19 s.n. Los Angeles Santa Catalina Island Comment
  RSA649821  Hemizonia ramosissima Matt Brooks 1988-5-12 62 Los Angeles Whittier, Turnbull Canyon Rd. 0.5 miles east of its intersection with Beverly Blvd. Comment
  SEINET6730995  Hesperocnide tenella G. B. Grant 1904-5-26 564 -6267 Los Angeles Pasadena Comment
  CATA412  Hesperocyparis macrocarpa Sara L. Crockett, Mark Hoefs, Steve Junak, Gary Allan 1996-10-31 549 Los Angeles Santa Catalina Island: Mt. Black Jack Campgrounds 451 Comment
  SEINET5778845 Image available Hesperoyucca whipplei Marcus E. Jones 1882-1 Los Angeles Pasadena Comment
  SEINET11915757  Heteromeles arbutifolia I. W. Clokey, Templeton, B. 1929-1 4589 Los Angeles Mandeville Canyon, Santa Monica Mountains 200 Comment
  RSA0074519  Heterotheca fastigiata Anstruther Davidson 1441 Los Angeles Rock Creek Comment
  UCR143929  Heterotheca grandiflora A. C. Sanders, Lee Jones 2004-11-7 29026 Los Angeles San Fernando Valley, site called Lookout Gates on topo, 1 mile NE of Chatsworth at foot of Santa Susana Mtns., 5 acre estate proposed for conversion to private high school (Sierra Canyon H.S.), west of the north end of Lurline Ave, N of Nashville St., just south of 118 Fwy 351 Comment
  UCR205947  Heterotheca grandiflora A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37081 B Los Angeles San Gabriel Valley, west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  RSA0074395  Heterotheca grandiflora M. L. Bryan 1928-9-19 29 Los Angeles Mandeville Canyon, near Santa Monica. Comment
  HSC5317  Heterotheca sessiliflora subsp. echioides W. H. Kinch 1954-9-30 19 Los Angeles N of Claremont on the road to Mt. San Antonio 610 Comment
  RSA93229  Heterotheca sessiliflora subsp. echioides F. W. Peirson 1225 Los Angeles Roadside near Sierra Madre. Comment
  UCR209427  Heuchera R. G. Swinney 2008-9-13 9456 Los Angeles San Gabriel Mtns., Buckhorn Canyon waterfall, 0.4 mi. north of Burkhart Trail parking lot 1893 Comment
  UC1532963  Heuchera elegans Robert F. Thorne 1971-6-26 39999 Los Angeles n slope of Occidental Peak (along Mt. Wilson Road); San Gabriel Mts, Angeles National Forest 1645 Comment
  RSA0062930  Heuchera elegans Anstruther Davidson 1892-6-14 s.n. Los Angeles Wilson's Peak. Comment
  POM21164  Hieracium argutum Fordyce Grinnell Jr 1917-7-29 s.n. Los Angeles Upper Millard's Canyon, San Gabriel Mountains. Comment
  RSA604693  Hirschfeldia incana L. C. Wheeler 1967-9-29 s.n. Los Angeles Ridge 1/2 mile WNW Pine Mountain. 1249 Comment
  RSA613022  Hirschfeldia incana L. C. Wheeler 1974-4-27 s.n. Los Angeles Fish Canyon at the Gauging Station. 274 Comment
  UCD115121  Hirschfeldia incana Mark Hoefs 1973-7-13 375 Los Angeles Santa Catalina Island: Middle Ranch Canyon just above reservoir on North side of Main Road. 236 Comment
  CAS-BOT-BC207473  Hoffmannseggia glauca Sidney R. Snow 1956-7-2 s.n. Los Angeles Ballona Creek, Los Amgeles Comment
  RSA85264  Holodiscus discolor F. W. Peirson 75 Los Angeles Montana St. Pasadena Comment
  SBBG32075  Holodiscus discolor R. N. Philbrick with R. F. Thorne 1967-5-20 B 67 -305 Los Angeles Descanso Cyn 213 Comment
  UCR272943  Holodiscus microphyllus var. microphyllus R. G. Swinney 2011-8-5 15600 Los Angeles San Gabriel Mountains, summit of Mount Hawkins, high point of Copter Ridge, 0.6 miles SSE of Hwy. 2/Angeles Crest Hwy 2698 Comment
  RSA187994  Hordeum murinum subsp. glaucum R. F. Thorne, P. Everett 1965-6-24 35031 Los Angeles Santa Catalina Island. Upper end of Escondido Canyon, W slope of Orizaba Mountain. 274 Comment
  RSA534141  Hordeum murinum subsp. glaucum Timothy S. Ross, Orlando Mistretta, M. Hammit 1991-5-17 5073 Los Angeles San Clemente Island: Lower Wilson Cove Canyon; bouldery, rocky draw SW of and above pier operations. 15 Comment
  CATA721  Hordeum vulgare Mark L. Hoefs 1991-5-18 1228 Los Angeles Santa Catalina Island: Middle Canyon 268 Comment
  RSA709832  Hordeum vulgare A. C. Sanders, A. Thompson 2003-4-17 26077 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, NW of Magic Mountain amusement park, between M.M. and The Old Road, north of M.M. Parkway. 351 Comment
  LA202234  Hordeum vulgare Arthur C. Gibson; 2005-5-21 5031 Los Angeles SANTA MONICA MOUNTAINS, Newton Canyon, Newton Canyon Road. Comment
  RSA127852  Horkelia cuneata subsp. cuneata Peter H. Raven 1959-4-18 13998 Los Angeles Santa Monica Mountains, Point Dume, sandy field behind point. 24 Comment
  RSA451548  Horkelia rydbergii L. E. Hoffman 1931-12-22 s.n. Los Angeles Chilao Flats Comment
  SD36201  Hymenanthera dentata Hugh Evans May 1945 Los Angeles Santa Monica Comment
  RSA650959  Hymenoclea salsola Marion P. Harthill 1976-11-9 s.n. Los Angeles Mojave Desert, Hwy N4. 1067 Comment
  RSA125339  Ipomoea acuminata P. H. Raven 1957-9-21 11344 Los Angeles West Channel Road, Santa Monica. 91 Comment
  RSA763355  Isocoma menziesii var. vernonioides Doris Bowers 1970-6-7 784 Los Angeles Palos Verdes Pennisula 305 Comment
  POM1382  Isolepis cernua I. M. Johnston 1917-6-14 1344 Los Angeles West of Pomona. Comment
  UC198094  Isomeris arborea Katharine Brandegee May 1916 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC142451  Ivesia santolinoides Wesley O. Griesel 1962-6-27 s.n. Los Angeles Dawson Saddle, San Gabriel Mountains 2438 Comment
  UCSB31606  Ivesia santolinoides Griesel, Wesley 1962-6-27 Los Angeles Dawson Saddle, San Gabriel Mountains 2438 Comment
  RSA468186  Jepsonia malvifolia M. B. Dunkle 1928-10-17 2019 Los Angeles Howland s Landing, Santa Catalina Island. Comment
  RSA608344  Juglans californica Louis C. Wheeler 1930-3-15 13 Los Angeles Mandeville Canyon. Comment
  UCR168245  Juglans californica L. C. Wheeler 1931-11-11 351 Los Angeles Western Transverse Range; Santa Monica Mtns., N side Santa Monica Mtns. opposite Franklin Canyon 366 Comment
  SBBG128710  Juncus acutus subsp. leopoldii M. L. Hoefs 1955-5-23 2132 Los Angeles Middle Cyn at Thompson Reservoir Comment
  SEINET3877472  Juncus balticus Timothy S. Ross, Steve Boyd 1994-9-21 8336 Los Angeles CowW SPRING POND': sag pond on the San Andreas Fault Zone at the North foot of Liebre Mtn. and on the South side of West Oakdale Canyon Road, ca 100 m West of the Cow Spring Canyon drainage. Liebre Mountain. 7.5' USGS Quadrangle.; 0 1149 Comment
  UCR209448  Juncus balticus R. G. Swinney 2008-10-7 9489 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  UCR240015  Juncus balticus R. G. Swinney 2009-11-9 11582 Los Angeles Transverse Range; San Gabriel Mountains, confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  POM1547  Juncus bufonius I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. Comment
  UC842318  Juncus bufonius I. Johnston 1917-6-13 1347 Los Angeles w of Pomona Comment
  RSA509579  Juncus bufonius var. occidentalis L. C. Wheeler 1967-8-2 10338 Los Angeles Angeles National Forest: at Lower Chilao Flat Road 1584 Comment
  RSA600732  Juncus duranii L. C. Wheeler 1954-9-1 7086 Los Angeles San Gabriel Mountains: Little Rock Creek, ca. 1 mile downstream from Cooper Creek. Comment
  UCR271539  Juncus ensifolius R. G. Swinney 2011-10-13 15802 A Los Angeles San Gabriel Mountains, Chilao Flat, FS road crossing of Chilao stream, east of Chilao Visitors Center and west of Hwy 2 1622 Comment
  UCR223243  Juncus macrophyllus R. G. Swinney 2009-7-23 11372 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
  SEINET6331221 Image available Juncus marginatus Victor 1933-1 3526 Los Angeles Buckhorn, San Gabriel Mountains 1981 Comment
  RSA368126  Juncus mexicanus F. R. Fosberg 1931-4-15 S- 4619 Los Angeles Santa Catalina Island. Eagle's Nest, Middle Ranch Canyon. 180 Comment
  RSA0069835  Juncus rugulosus R. G. Swinney 2010-9-9 13776 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1994 Comment
  RSA608458  Juncus rugulosus L. C. Wheeler 1946-9-2 6338 Los Angeles San Gabriel Mountains: West Fork San Gabriel River. 518 Comment
  UCR209129  Juncus rugulosus R. G. Swinney 2008-6-24 9093 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  CATA151  Juncus textilis Peter Henrikson 1987-5-21 115 Los Angeles Santa Catalina Island: Bulrush Canyon 243 Comment
  CAS-BOT-BC80998  Juniperus californica W. R. Dudley; F. H. Lamb 1896-6-7 4342 Los Angeles Near Neenach, Antelope Valley Comment
  LA83986  Juniperus californica O. H. Kappler; 1944-6-4 664 Los Angeles San Gabriel Mountains, Soledad Creek, N slope Comment
  SEINET6051244  Juniperus californica Steve Boyd, Raz, Lauren 1996-10-14 9059 Los Angeles Liebre Mountains region. Near the head of Soledad Canyon, just north of the confluence of Kentucky Springs Canyon, strip of undeveloped land between Sierra Highway and Highway 14, just west of Vincent Fire Station. Comment
  NY790215  Keckiella cordifolia F. R. Fosberg 1931-3-27 S 4400 Los Angeles Hamilton Canyon, Santa Catalina Island 50 Comment
  RSA401700  Keckiella cordifolia V. V. Giles 1936-7-5 47 Los Angeles Crystal Lake Road 1220 Comment
  SD52966  Keckiella cordifolia Peter H. Raven 1962-5-10 1773 Los Angeles San Clemente Island, Horse Canyon, the large canyon west of Thirst 274 Comment
  SBBG66602  Keckiella ternata subsp. septentrionalis R. Hoffmann 1927-7-16 Los Angeles Ridge Route (US Hwy 99) Comment
  POM308422A  Keckiella ternata subsp. ternata Henry J. Ramsey, Henry J. Ramsey 1937-9-2 3098 Los Angeles Ladybug Canyon, Angeles Crest Highway. Comment
  SEINET13387005 Image available Keckiella ternata subsp. ternata R. G. Swinney 2011-1 15683 Los Angeles San Gabriel Mountains; SE side of Camp Colby (Colby Ranch), Colby Grave marker, confluence of "Inspiration Cyn." & Coldwater Cyn., near spring and watertank (Chilao Flat 7.5 1140 Comment
  UCR147284  Keckiella ternata subsp. ternata Orlando Mistretta 1992-6-17 581 Los Angeles Transverse Ranges; San Gabriel Mountains, Road 2N09 EA. Curtiss Haul Road, Cow Canyon. From 2nd drainage down to Cattle Canyon Comment
  CAS-BOT-BC176819  Kochia californica Ernest C. Twisselmann 1970-9-8 17492 Los Angeles Antelope Valley: Highway 14 at Avenue A 762 Comment
  RSA182244  Krascheninnikovia lanata James Henrickson 1965-4-22 1912 Los Angeles Near Hwy 138, 2 miles NW of County line; ca. 2 miles SWW of Victorville. 1067 Comment
  RSA247966  Krascheninnikovia lanata R. F. Thorne, Gary D. Wallace 1973-4-24 43435 Los Angeles Antelope Valley, Western Mojave Desert: Lovejoy Buttes, N of Llano, S slope 915 Comment
  SFV18162  Lactuca serriola J. N. Hogue 1997-7-10 91 .1 Los Angeles Los Angeles, Eagle Rock. 152 Comment
  SEINET6050464  Lactuca serriola Unknown 1996-9-24 8952 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  SBBG63064  Laennecia coulteri R. Hoffmann 1929-4-28 Los Angeles Harold Comment
  RSA713822  Lagophylla ramosissima Mark Elvin 2003-6-12 2946 Los Angeles Santa Clarita Valley: Newhall Ranch, S of Magic Mountain Amusement Park, W of The Old Road. 366 Comment
  CATA656  Lamarckia aurea Mark L. Hoefs 1991-4-18 1145 Los Angeles Santa Catalina Island: Near road between Cherry Valley and Fourth of July Cove 79 Comment
  RSA339629  Lamium amplexicaule Robert F. Thorne 1980-3-23 54012 Los Angeles Johnson's Pasture, above Claremont. 610 Comment
  RSA720183  Lamium amplexicaule LeRoy Gross 2007-3-12 2597 Los Angeles Base of northern side of the range. Behind the Foothill Athletic Club, at the southern end of Lowell Ave. 468 Comment
  UCR90736  Lamium amplexicaule Scott D. White 1996-3-2 3818 Los Angeles Base of San Gabriel Mtns., City of Claremont, Geneva Ave., north of San Jose, south of Arrow Hwy, west of Indian Hill, east of Towne. 323 Comment
  RSA592153  Lamium amplexicaule Louis C. Wheeler 1967-5-7 9282 Los Angeles San Gabriel Mountains. Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon. 610 Comment
  UC410811  Lampranthus Eric Walther 1929-7-10 Los Angeles Santa Monica, ( Hugh Evans') Santa Monica Comment
  POM280182  Lampranthus roseus Arthur L. Cohen 1934-8-2 520 Los Angeles Ocean Park. Comment
  RSA392796  Lastarriaea coriacea Louis C. Wheeler 1932-5-26 745 Los Angeles San Gabriel Wash. 107 Comment
  CAS-BOT-BC338151  Lasthenia californica M. E. Jones 1882-5-2 s.n. Los Angeles Pasadena Comment
  CAS-BOT-BC338154  Lasthenia californica M. E. Jones 1882-3-7 3211 Los Angeles Pasadena Comment
  UC2061411  Lasthenia gracilis Rachael L. Olliff Yang with Ellery Mayence, Ana Penny, Lynn Yamashita, Bridget Wessa 2017-4-17 5 Los Angeles Tejon Ranch. Mojave Side; close to 290th Street Gate (Loomis Gate). Comment
  POM361505  Lasthenia gracilis Ora M. Clark 1929-3-29 1803 Los Angeles N. W. Saugus Comment
  UCR272930  Lathyrus odoratus Steven A. Junak 2000-5-18 SCa- 1295 Los Angeles Channel Islands, Santa Catalina Island, just east of town at isthmus, plant stop 15 Comment
  SBBG108950  Lathyrus odoratus S. A. Junak 1997-5-19 SCl 877 Los Angeles Ridge Rd, across from old airfield, at E end of abandoned building site 259 Comment
  RSA406633  Lathyrus vestitus subsp. alefeldii M. V. Hood 1945-5-1 2235 Los Angeles Tapia Park area 762 Comment
  RSA405688  Lathyrus vestitus subsp. laetiflorus James Clizbe 1930-4-2 s.n. Los Angeles Griffith Park Comment
  RSA405704  Lathyrus vestitus subsp. laetiflorus Anstruther Davidson 1921-4-1 s.n. Los Angeles Manhattan Beach Comment
  UC864427  Lathyrus vestitus var. alefeldii L. W. Nuttall 1920-1 45 Los Angeles Santa Catalina Island Comment
  CATA3440  Lathyrus vestitus var. vestitus Benjamin J. Dion, Stuart Olshevski 2017-4-13 016 Los Angeles Santa Catalina Island: Channel Side; above White's Landing in China Wall watershed, below Airport Rd 139 Comment
  RSA317202  Lathyrus vestitus var. vestitus Michael C. Long 1974-4-20 s.n. Los Angeles Devil's punhbowl county park, 0.5 mi.N of parking lot. Comment
  RSA0108843  Layia glandulosa R. G. Swinney 2010-6-1 13159 Los Angeles San Gabriel Mountains: Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  RSA595812  Layia glandulosa L. C. Wheeler 1967-5-9 9389 Los Angeles Aliso Canyon, east of Acton, ca. 1 mile downstream from Wagon Wheel Ranch. 1067 Comment
  SFV19340  Layia glandulosa J. N. Hogue, C. Solek 2005-4-8 236 .2 Los Angeles San Gabriel Mountains West Fork San Gabriel River. Mouth of Devil's Canyon, north of Cogswell Reservoir. At end of dirt road on north side or reservoir. 750 Comment
  UCR264622  Layia glandulosa Mitch Provance, Callen Huff 2009-4-28 10731 Los Angeles Tehachapi Mountians, Tejon Ranch, 1.2 mi. N of Gorman, Bear Canyon, along Crane Canyon Rd., about 1 mi. S of Castac Lake 1220 Comment
  RSA704354  Layia glandulosa Gary D. Wallace, M. Z. Wallace 1982-4-24 1923 Los Angeles West of Palmdale, south end of Munz Ranch road. Comment
  UC828934  Layia glandulosa H. E. Hasse 1890-4-1 Los Angeles Mesa Comment
  UC828946  Layia platyglossa F. R. Fosberg 1931-5-6 s 4814 Los Angeles Cape Canyon; Santa Catalina Island 200 Comment
  UCD133988  Layia platyglossa Daryl Koutnik; Vickie Dawes 1978-4-6 261 Los Angeles south of Palmdale on State Highway 138 to Little Rock. 816 Comment
  RSA69727  Lemna minor F. W. Peirson 1924-9-19 5269 Los Angeles Arroyo Seco, near Pasadena. 198 Comment
  RSA368975A  Lemna valdiviana Freda Detmers 1931-11-11 s.n. Los Angeles Griffith Park. Comment
  RSA409631  Lepechinia fragrans H. C. Ackley 1927-6-4 s.n. Los Angeles Trail to Switzer s Comment
  SBBG119264  Lepechinia fragrans V. Soza, W. Law, L. Moore 2000-7-7 1059 Los Angeles above Henninger Flats, along Mt Wilson Rd (FS Rd 2N45.2); T1N R12W E/2, SE/4 S1 914 Comment
  RSA723064  Lepidium didymum LeRoy Gross 2007-5-16 2732 Los Angeles Southern side of the range: Near parking area for the trails to hike out of Wildwood Canyon. Near 427 Comment
  UC1922337  Lepidium draba Gary Kovnat with LeRoy Gross 2004-4-25 53 Los Angeles Transverse Ranges; San Gabriel Mountains region: Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow. Comment
  UCD115671  Lepidium fremontii Ira L. Wiggins 1966-4-15 20587 Los Angeles East of J.F.L. Motel, Pearblossom. 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
  CAS-BOT-BC12820  Lepidium perfoliatum Roxana S. Ferris 1918-6-12 898 Los Angeles Railroad embankment between Oban and Lancaster. Comment
  CAS-BOT-BC12817  Lepidium perfoliatum Marjorie Shaw; Edna Spaulding; Mrs. C. L. Walton 1917-4-6 988 Los Angeles Mojave Desert. Antelope Valley. Comment
  SD230190  Lepidium pinnatifidum Louis C. Wheeler 1973-6-12 Los Angeles California State University, Long Beach. Comment
  RSA669300  Lepidium strictum LeRoy Gross, John Gross, Johnny Gross, Matthew Gross 2002-4-27 530 Los Angeles Valley Forge Campgroud, in the West Fork of the San Gabriel river. 1057 Comment
  SBBG113145  Lepidium strictum S. A. Junak with M. L. Hoefs, J. Takara 1997-3-28 SCa 394 Los Angeles lower portion of Cherry Cyn, just inland from salina at cyn mouth 6 Comment
  RSA726750  Lepidium virginicum H. L. Bauer 1932-1-6 16798 Los Angeles Santa Monica Mtns. Comment
  RSA429632A  Lepidium virginicum var. pubescens M. Bisbee 1917-5-2 s.n. Los Angeles Street, Eagle Rock Comment
  POM212043  Lepidospartum squamatum C. B. Wolf 1931-7-30 2298 Los Angeles 2 miles S of San Fernando, San Fernando Valley. 274 Comment
  SD112499  Lepidospartum squamatum Darley F. Howe 1938-9-26 747 Los Angeles Near Claremont. Comment
  SD186092  Lepidospartum squamatum A. C. Sanders 2003-3-14 25762 Los Angeles 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 Gavriel River channel. 519 Comment
  UC33120  Lepidospartum squamatum J. Burtt Davy Oct 1896 2750 Los Angeles Santa Monica Comment
  UCD134033  Lepidospartum squamatum R. N. Raynor 1938-6-1 s.n. Los Angeles between Little Rock and Cajon. Comment
  UCR141848  Lepidospartum squamatum R. G. Swinney 1997-9-6 5865 Los Angeles San Gabriel Mtns., Forest Service Rd 4N06 (up Mescal Cyn), 2.6 mi N of Big Pines Rd. About 10 mi west of FS Rd. 75 meters south of only point where stream crosses road. 1585 Comment
  UC310863  Leptodactylon californicum Philip A. Munz 1925-3-18 8924 Los Angeles Newhall Grade Comment
  UCR256593  Leptosiphon breviculus Anuja Parikh, Nathan Gale 2011-5-26 3396 Los Angeles Transverse Range; San Gabriel Mountains, Upper Big Tujunga Canyon, 0.3 km ENE of Shortcut Station, 0.7 km north of State Hwy 2 (Angeles Crest Hwy) 1308 Comment
  UCR277079  Leptosiphon breviculus R. G. Swinney 2011-6-7 15097 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
  RSA469981  Leptosiphon breviculus B. C. Templeton 1932-6-19 4922 Los Angeles Big Pines Park, San Gabriel Mts. Comment
  SBBG64603  Leptosiphon chrysanthus subsp. chrysanthus M. N. Ackley -Apr-1926 820 Los Angeles Ranger Station, Big Tujunga 511 Comment
  RSA601180  Leptosiphon liniflorus L. C. Wheeler 1967-6-26 9914 Los Angeles San Gabriel Mountains : Placerita Canyon; ca. 1/4 mile E of highway 457 Comment
  RSA657959  Leymus condensatus Paden 1968-5-21 23 Los Angeles Big Tujunga Wash. 305 Comment
  UCD64548  Leymus condensatus Peter H. Raven; Henry J. Thompson 1959-6-4 14336 Los Angeles Santa Monica Mountains, Point Dume. 30 Comment
  HSC15570  Lilium humboldtii subsp. ocellatum C. S. Apperson 1966-5-14 Los Angeles Stunt Canyon, 0.5 mi. up the Stunt Canyon Rd. from Mullholland Dr. in the Santa Monica Mtns. Comment
  UCR210421  Limonium perezii R. G. Swinney 2008-12-6 9974 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon west of Roberts Canyon on north side of San Gabriel River channel 229 Comment
  UC1147904  Limosella acaulis Robert F. Thorne and M. Z. Thorne 1966-8-29 36606 Los Angeles on road from Big Pines to Valyermo wet sandy margin Jackson Lake (Big Pines Recration area); San Gabriel Mts., Angeles National Forest, Jackson Lake 1859 Comment
  RSA252907  Linanthus aureus R. F. Thorne 1973-5-11 43567 Los Angeles Along Mt. Emma Road: 1.9 mi W of Little Rock Creek below the dam. 1159 Comment
  RSA601132  Linanthus aureus L. C. Wheeler 1946-5-26 6210 Los Angeles El Monte. 2002 North Durbee Road. Comment
  UC588167  Linanthus breviculus Victor Duran 1933-7-11 3516 Los Angeles Sulphur Springs San Gabriel Mountains 1524 Comment
  RSA468444  Linanthus californicus subsp. glandulosus Alva Watry 1931-5-10 s.n. Los Angeles Rattlesnake Canyon 1067 Comment
  UCSB46625  Linanthus dianthiflorus Welton, Patti 1983-3-28 Los Angeles 2.2 miles north of Malibu Canyon Road on southwest side of Mulholland Hwy. 469 Comment
  POM65947  Linanthus dianthiflorus subsp. dianthiflorus C. F. Baker 1904-3-18 4060 Los Angeles Claremont. 365 Comment
  RSA777686  Linanthus dichotomus Orlando Mistretta, Christine Mistretta 2010-5-19 5105 Los Angeles Aliso Canyon; approximately 1.75 mile NW of the intersection of Aliso Cyn and the Angeles Forest Hwy. 1103 Comment
  RSA523350  Linanthus dichotomus subsp. dichotomus G. H. True 1935-3-26 166 Los Angeles Belleview School NW of Palmdale. 732 Comment
  POM364688  Linanthus parryae N. C. Cooper 1948-4-21 2675 Los Angeles Little Rock. 762 Comment
  RSA725138  Linanthus parryae Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -27 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  SBBG126917  Linanthus parryae A. Parikh, N. Gale 2010-6-2 3248 Los Angeles 3.9 km W of St Hwy 14, 2.1 km SW of California Aqueduct, under power lines; Sierra Pelona, Liebre Mtns 1130 Comment
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Jul 7 2015
  RSA550031  Linanthus parryae W. Wisura, E. Roeder 1992-4-21 4693 Los Angeles Mountain Brook Ranch near Valyermo Comment
  UC421658  Linanthus parviflorus John Thomas Howell 1928-6-10 3873 Los Angeles Monrovia Canyon San Gabriel Mts. Comment
  UCR217134  Linaria canadensis var. texana R. G. Swinney 2009-3-20 10138 Los Angeles San Gabriel Mtns. Foothills, Azusa/Irwindale, mouth of San Gabriel River Canyon, 100-400 m north of I-210 Fwy, 300 m east of the river channel 177 Comment
  RSA400301  Linaria canadensis var. texana Thekla Mohr 1897-04 s.n. Los Angeles San Gabriel. [the city of?] Comment
  CAS-BOT-BC110584  Lithophragma John H. Thomas 1957-5-25 6781 Los Angeles San Gabriel Mountains. Western side of Santa Anita Canyon about 7 miles north northeast of Pasadena. 609 Comment
  UCR189411  Lithophragma R. G. Swinney 1998-5-30 6155 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  CHSC95774  Lithophragma tenellum LeRoy Gross; Michael Denslow 2003-6-4 997 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southeast of Dawson Saddle, south side of Angeles Crest Highway (Hwy. 2), UTM Zone; 3802915N 0426388E. Just off the trail to Throop Peak, a short distance from the highway. 2439 Comment
  UCR124420  Lithophragma tenellum B. C. Templeton 1932-5-31 4878 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  JEPS4923  Lobelia dunnii var. serrata G. B. Grant 1901-7-25 4453 Los Angeles Sturtevant Camp at e base of Mount Wilson, in e fork of Santa Anita Canyon, in the San Gabriel Range and in the Angeles National Fores Santa Anita Canyon; Angeles National Forest, San Gabriel Range, Mount Wilson Comment
  RSA624068  Loeflingia squarrosa L. C. Wheeler 1967-5-18 9653 Los Angeles San Gabriel Mountains: Placerita Canyon, vicinity of Oak of the Golden Dream. 478 Comment
  SD52906  Logfia arizonica Peter H. Raven 1962-5-9 17671 Los Angeles San Clemente Island, near head of canyon at south end of Mesquito Cove. 320 Comment
  CAS-BOT-BC342190  Logfia filaginoides Timothy S. Ross; Janet Takara; Stacey Otte 1993-4-25 6968 Los Angeles Santa Catalina Island: head of south fork Descanso Canyon 207 Comment
  UCR180171  Lolium perenne subsp. perenne R. G. Swinney 1989-5-13 s.n. Los Angeles San Gabriel Mtns., Glendora, Little Dalton Canyon Debris Basin 366 Comment
  RSA656057  Lomatium dasycarpum subsp. dasycarpum James Henrickson 1985-3-30 19788 Los Angeles Ca. 3 air mi. NNW of Newhall in proposed North Hills development just north of Santa Clara River and just E of San Francisquito Creek. 370 Comment
  SDSU2241  Lomatium lucidum A. H. Gallup 1948-4-21 148 Los Angeles 'The Wash' Claremont 366 Comment
  UC1595805  Lomatium mohavense Tim Ross 1992-4-4 6074 Los Angeles s.w. base to summit Adobe Mt. (s.w. Mojave Desert); , Adobe Mt. Quad, Adobe Mt. 926 Comment
  UC1537172  Lomatium nevadense var. parishii Gordon H. True Jr. 1935-3-27 176 Los Angeles 5 mi. s.w. Palmdale 914 Comment
  UCR187094  Lomatium utriculatum A. C. Sanders 2006-5-16 32296 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. west of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  SEINET7876136 Image available Lomatium utriculatum A. D. Gifford 1935-1 582 Los Angeles 1 mile N.E. of Quail Lake Sec. 13 T.8N. R. 18W. Comment
  JEPS12807  Lonicera interrupta Frank W. Peirson 1918-6-15 264 Los Angeles Mint Canyon San Gabriel Mountains Comment
  RSA530067  Lonicera interrupta T. S. Ross 1991-8-16 5871 Los Angeles San Gabriel Mountains, Horse Flats 1787 Comment
  UCR223257  Lonicera interrupta R. G. Swinney 2009-5-20 10852 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  PASA276  Lonicera subspicata Annetta Carter 1929-1-1 Los Angeles Mouth of Big Santa Anita Canyon Comment
  RSA455377  Lonicera subspicata var. denudata G. D. Wallace 1965-7-18 s.n. Los Angeles Angeles Crest Hwy, 2 miles past Switzer Park . Comment
  UCR212810  Lonicera subspicata var. denudata Ellen Mackey, Bart O'Brien, Blake Whittington 2006-11-14 NFWF- 1854 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Watershed, Webb Canyon Road bridge 413 Comment
  SD113500  Lonicera subspicata var. subspicata Darley F. Howe 1953-5-2 2276 Los Angeles Santa Catalina Island; Wain Canyon. Comment
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Jun 10 2014
  RSA498331  Lotus Ducelia Sabb 1937-6-27 19688 Los Angeles Los Angeles, Sal. (?) below 3000 ft. Comment
  UCR89397  Lotus argophyllus subsp. ornithopus Reid Moran 1941-2-19 594 Los Angeles Channel Islands; San Clemente Is., Middle Ranch, San Clemente Island 500 Comment
  RSA533964  Lotus argophyllus var. adsurgens T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5201 Los Angeles San Clemente Island: 1300 feet NNW of Gud (888') marker. 241 Comment
  UCR191528  Lotus crassifolius R. G. Swinney 1998-7-8 6321 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat 2280 Comment
  RSA406100  Lotus crassifolius var. crassifolius F. C. Boutin 1966-4-12 s.n. Los Angeles Mtl Lukens, north of La Crescenta 1524 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
  RSA498838  Lotus dendroideus var. dendroideus G. R. Johnstone 1925-3-8 s.n. Los Angeles Catalina Island Comment
  UC200704  Lotus dendroideus var. dendroideus Katharine Brandegee Los Angeles Santa Catalina Island Comment
  RSA678245  Lotus hamatus Valerie L. Soza, S. D. Boyd 2002-4-10 1410 Los Angeles West side of Haskell Canyon, Del Sur Ridge. Stables Fire 2001 area. 610 Comment
  UCR126889  Lotus humistratus A. C. Sanders, Tricia Wotipka, Mark A. Elvin, and others 2003-4-29 26155 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east Lake Hughes Road 488 Comment
  UCR155929  Lotus humistratus A. C. Sanders 2005-5-5 29890 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool 655 Comment
  SEINET11177585  Lotus humistratus Unknown 1973-4-21 s.n. Los Angeles Vincent Comment
  RSA780100  Lotus microcarpus Pam De Vries 2011-4-20 7777 Los Angeles Western Transverse Range, SW portion of the Liebre Mountains; about 0.5 air miles NNE of the intersection of Copper Hill and San Francisquito Canyon Road 426 Comment
  RSA164791  Lotus nevadensis var. davidsonii Wesley O. Griesel 1963-7-11 825 Los Angeles Cloudburst summit 2134 Comment
  UC212351  Lotus nevadensis var. davidsonii I. Johnston 1917-7-4 1423 Los Angeles s slope Baldy Comment
  RSA406208  Lotus oblongifolius var. oblongifolius F. R. Fosberg 1931-8-15 S 5544 Los Angeles Big Cienega , pine Flats, N. fork San Gabriel River 2000 Comment
  RSA406217  Lotus oblongifolius var. oblongifolius Samuel R. Tyson 1942-5-29 s.n. Los Angeles San Dimas Canyon 488 Comment
  RSA621881  Lotus oblongifolius var. oblongifolius R. S. Woglum 1939-7-17 836 Los Angeles Transverse Ranges: Soldier Creek; San Gabriel Mountains; Angeles National Forest. Comment
  RSA659943  Lotus procumbens var. procumbens Orlando Mistretta 1992-5-18 355 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  RSA0039064  Lotus purshianus Jeremiah George 2014-7-26 260714 -1 Los Angeles Marina del Rey, just off Vista del Mar adjacent to intersection with Trolley Place 9 Comment
  RSA592026  Lotus salsuginosus Mark Hoefs, Doug Propst 1973-5-4 231 Los Angeles Santa Catalina Island. Lower Middle Canyon, at Camp Cactus turn off. 145 Comment
  UCR259923  Lotus salsuginosus R. G. Swinney 2010-3-18 11978 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road 540 Comment
  UCR282023  Lotus salsuginosus R. G. Swinney 2014-5-21 16614 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  SFV15695  Lotus salsuginosus var. salsuginosus H. L. Fredell 1992-4-22 103 Los Angeles San Gabriel Mountains Chiquito Canyon, Chiquito Canyon Road, 0.1 miles northeast of CA-Highway 126. Comment
  RSA0064519  Lotus scoparius Ron Martinolich 1991-5-3 49 Los Angeles Glendale, Flint Peak access road., 0.5 mi. west of water tower, off road to southwest along old, overgrown road cut, 100 ft., at base of 10-25 ft. cliff. Comment
  RSA608500  Lotus scoparius var. scoparius L. C. Wheeler 1968-5-25 s.n. Los Angeles San Gabriel Mountains: West side of Bear Creek off West Fork San Gabriel River. 655 Comment
  JEPS65172  Lotus strigosus W. L. Jepson 1935-4-17 17067 Los Angeles Portal Ridge Comment
  POM1927  Lotus strigosus L. R. Abrams 1901-04 1397 Los Angeles La Cananda Comment
  RSA0112527  Lotus strigosus Richard G. Swinney 2010-5-21 12902 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
  RSA496679  Lotus strigosus A. C. Sanders, E. J. Lawlor 1988-4-3 7748 Los Angeles SW end Tehachapi Mountains, l mile NW of Gorman on gasline road, 0.4 mile above old highway. 1280 Comment
  RSA660103  Lotus strigosus Orlando Mistretta 1992-6-12 533 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  UC1184969  Lotus strigosus Huron H. Smith 1912-5-1 4886 Los Angeles Eagle Rock Valley 152 Comment
  UCR127889  Lotus strigosus A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26108 Los Angeles Western San Gabriel Mtns., Newhall Ranch, Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon 457 Comment
  UCR223722  Lotus strigosus R. G. Swinney 2009-6-8 11109 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
  UCR259964  Lotus strigosus R. G. Swinney 2010-3-18 11980 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road 540 Comment
  RSA225734  Lotus strigosus R. F. Thorne 1971-5-22 39740 Los Angeles Fish Canyon. 305 Comment
  UCR168299  Lotus wrangelianus Anstruther Davidson 1890-1 s.n. Los Angeles Transverse Ranges, foothills, Los Angeles 610 Comment
  UC1279995  Ludwigia peploides subsp. peploides Peter H. Raven with H. L. Wedberg 1957-6-15 10922 Los Angeles 2.6 mi. e. Seminole Hot Springs; Santa Monica Mts. Comment
  SEINET10488412  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 arb. Hyb. (1) Comment
  SEINET10488422  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 self. Plant 3 Comment
  SEINET10484544  Lupinus albifrons var. eminens David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 years old. Grown in field planting at santa ana botanical garden. Hybridization by david b. Dunn. The numbers are the field plant numbers of rsa. First # is female parent x second # is male parent parenthetic # is f1 plant Number. Seeds from the open field pollen vector Comment
  RSA656836  Lupinus andersonii Valerie L. Soza, Leland Lubinsky 2000-6-23 1029 Los Angeles San Gabriel Mountains: South Fork Little Rock Creek, SW Pinyon Flats, NE Alder Saddle. 1646 Comment
  RSA0077376  Lupinus andersonii Orlando Mistretta 1992-7-13 675 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  CDA998  Lupinus benthamii D. G. Kelch 1991-3-23 s.n. Los Angeles Catalina Island. East of Avalon. Comment
  RSA612177  Lupinus bicolor Valerie L. Soza 1997-4-11 35 Los Angeles Bernard Field Station of the Claremont colleges, located on the NW corner of Mills Ave. and Foothill Boulevard. 412 Comment
  SEINET3860264  Lupinus bicolor R. G. Swinney 2009-4-28 10505 Los Angeles Transverse Range; San Gabriel Mountains: Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd.; 0 1226 Comment
  UCR229130  Lupinus bicolor Dan S. Cooper 2011-5-10 511- 75 Los Angeles San Gabriel Valley, San Gabriel, NE corner of South Arroyo Dr. and West Santa Anita Ave., near San Gabriel Mission 128 Comment
  UCR271214  Lupinus bicolor R. G. Swinney 2011-4-20 14462 Los Angeles San Gabriel Mountains/ Western Mohave Desert, Vincent, 2.9 miles SE of Lake Palmdale on Carson Mesa, 100-200 m east of Angeles Forest Hwy 1000 Comment
  RSA0042225  Lupinus bicolor Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2858 Los Angeles Santa Catalina Island: By road to Toyon Beach. 314 Comment
  RSA659760  Lupinus bicolor Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-3 81 Los Angeles San Clemente Island. Comment
  POM350027  Lupinus bicolor subsp. microphyllus M. B. Dunkle 1928-3-31 1801 Los Angeles Cottonwood Canyon, Santa Catalina Island. 122 Comment
  SEINET3131560  Lupinus chamissonis Unknown 1902-6-9 2502 Los Angeles Playa del Rey Comment
  SEINET12154480  Lupinus chamissonis J. F. Bright, Wyman, C. 1931-1 5586 Los Angeles at Manhattan Beach Comment
  RSA413473  Lupinus concinnus Robert Gustafson, Gary D. Wallace 1982-4-26 2531 Los Angeles Bob's Gap Road, about 3 1/2 miles south of the junction with Pearblossom Hwy. 976 Comment
  SBBG108963  Lupinus concinnus S. A. Junak 1997-4-8 SCl 793 Los Angeles between two northern forks of Wall Rock Cyn 298 Comment
  SBBG113039  Lupinus concinnus S. A. Junak with K. Kirkland 1998-4-30 SCa 558 Los Angeles upper part of Hamilton Cyn drainage, just downslope from Airport Rd 304 Comment
  UC625152  Lupinus concinnus F. R. Fosberg 1931-3-27 S 4413 Los Angeles n wall Hamilton Canyon, Santa Catalina Island (Santa Catalina Island); , Hamilton Canyon 120 Comment
  RSA518015  Lupinus concinnus subsp. concinnus Steve D. Boyd, Orlando Mistretta 1986-3-31 1551 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  CAS-BOT-BC205150  Lupinus elatus F. W. Peirson 1918-6-10 89 Los Angeles San Gabriel Peak Comment
  CLARK-A1703-1192  Lupinus excubitus Charles S. Papp 1964-4-23 435 Los Angeles Claremont Comment
  SBBG69067  Lupinus excubitus R. Hoffmann 1931-4-28 Los Angeles W end of Bouquet Cyn Comment
  SFV1882  Lupinus excubitus P. G. Kilburn 1958-4-12 713 Los Angeles San Gabriel Mountains Soledad Canyon, 2 miles east of Soledad Campground 670 Comment
  RSA729969  Lupinus excubitus var. austromontanus R. G. Swinney 1999-5-22 7207 Los Angeles San Gabriel Mtns./Mojave Desert: Le Montaine Canyon, c. 0.5 mi. south of Camp Jubilee Rd. 1701 Comment
  UCR274620  Lupinus excubitus var. austromontanus Daisie Huang 2008-3-18 80318- 02 Los Angeles Along Gorman Post Road, near large 'Gorman' billboard 1120 Comment
  UCR191285  Lupinus formosus T. B. Salvato 2008-4-22 3317 Los Angeles Transverse Range; Northwestern San Gabriel Mountain Foothills/Mojave Desert, east of Neenach in the Antelope Valley, south of Hwy 138 and west of 265th Street, slopes west of Pine Canyon 1006 Comment
  SBBG45471  Lupinus formosus D. Emery 1955-4-28 Los Angeles rd to Big Pines from Hwy 138 Comment
  UCD107749  Lupinus formosus Raymond A. Evans 1999-4-19 s.n. Los Angeles San Dimas. Comment
  POM305760  Lupinus formosus var. formosus H. J. Ramsey 1937-3-26 964 Los Angeles Pacoima Canyon, near San Fernando, Angeles National Forest. Comment
  RSA91195  Lupinus formosus var. formosus F. W. Peirson 1920-5-14 4695 Los Angeles Arroyo Seco, near Pasadena 518 Comment
  RSA191025  Lupinus hirsutissimus R. F. Thorne 1963-5-5 32294 Los Angeles Cobal Canyon, Foothills of San Gabriel Mts., 4 miles N of Claremont. 518 Comment
  UCR216867  Lupinus hirsutissimus R. G. Swinney 2009-3-13 10108 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 0.8 mi. north of Foothill Blvd. on east side of main river channel 192 Comment
  RSA729769  Lupinus latifolius var. latifolius R. G. Swinney 1999-8-16 7657 Los Angeles Wrightwood area. Flume Canyon, spring c. 200m north if Guffy Camground. Spring on N-facing slope. 2445 Comment
  RSA729380  Lupinus latifolius var. parishii R. G. Swinney 1998-7-21 6473 Los Angeles Upper Fish Fork drainage, south-facing slope of Pine Mountain Ridge, 2.1 mi. SW of Fish Fork Trail and Pine Mt. Ridge. 2085 Comment
  PASA1669  Lupinus longifolius Sally Ellis 1939-5-12 Los Angeles San Dimas canyon Comment
  RSA276008  Lupinus longifolius Jack Delaini 1974-5-9 199 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. Johnson Peak Road, at head of Canyon 854 Comment
  SJSU10695  Lupinus longifolius G. E. Eberle 1962-10-6 Los Angeles 2 mi inland from coast, Palos Verdes Comment
  SBBG69050  Lupinus microcarpus var. densiflorus R. Hoffmann 1930-4-29 Los Angeles ca. 2 mi S of Castaic Comment
  UCR95271  Lupinus microcarpus var. densiflorus T. S. Ross, J. M. Porter 1995-5-4 8474 Los Angeles Transverse Range, Texas Canyon: c. 3.6 road miles NE of Bouquet Canyon Road 683 Comment
  RSA654083  Lupinus sparsiflorus Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 746 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 Mtwy. 427 Comment
  SEINET13383407 Image available Lupinus sparsiflorus R. G. Swinney 2010-1 11971 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road 539 Comment
  UCR159820  Lupinus sparsiflorus L. C. Wheeler 1968-4-13 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, ridge south of mouth of Big Dalton Canyon 495 Comment
  UCR259934  Lupinus sparsiflorus R. G. Swinney 2010-3-18 11971 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road 540 Comment
  RSA414812  Lupinus sparsiflorus subsp. sparsiflorus George R. Johnston 1926-4-24 s.n. Los Angeles Antelope Valley Comment
  SBBG117013  Lupinus succulentus S. A. Junak with R. N. Philbrick 2001-5-18 SCa 1539 Los Angeles Cottonwood Cyn, just S of Cottonwood-Blackjack Rd, ca. 2.6 mi inland from mouth of cyn 256 Comment
  SBBG13711  Lupinus succulentus P. H. Raven 1960-4-11 17280 Los Angeles due W of Wall 2 9 Comment
  RSA0016975  Lupinus succulentus Jack Rempel 1934-4-12 s.n. Los Angeles Baldwin Hills Comment
  RSA128275  Lupinus succulentus H. J. Thompson 1959-3-27 1900 Los Angeles Cold Canyon Road, 3 miles south west of Calabasas 427 Comment
  RSA414391  Lupinus truncatus Ella M. Kennedy 1923-2-26 s.n. Los Angeles Hillside, S. Pasadena Comment
  RSA0064060  Luzula comosa R. G. Swinney 2010-10-13 14023 Los Angeles Lily Spring, within 100 meters of main spring. 2454 Comment
  UCD126591  Lycium andersonii James B. Garner 1959-4-18 433 Los Angeles 15 miles south of Pear Blossom. Comment
Read comments
Jun 26 2015
  UC625130  Lycium californicum F. R. Fosberg 1931-4-29 S 4705 Los Angeles 1.5 mi below Eagle's Nest; Santa Catalina Island, Middle Ranch Canyon 180 Comment
  RSA780993  Lycium cooperi R. G. Swinney 2009-5-13 10792 Los Angeles Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  CATA1009  Lyonothamnus floribundus subsp. floribundus Mark L. Hoefs 1994-7-18 1892 Los Angeles Santa Catalina Island: Northeast of upper end of road to White's Landing 243 Comment
  SBBG38725  Lyonothamnus floribundus var. floribundus R. Moran 1941-2-28 652 Los Angeles head of Johnson's Cyn 400 Comment
  SBBG51681  Lyonothamnus floribundus var. floribundus M. A. Piehl 1962-10-6 62512 Los Angeles cyn between Pebbly Beach and Renton Mine Comment
  SBBG117016  Madia exigua S. A. Junak with R. N. Philbrick 2001-5-18 SCa 1546 Los Angeles Cottonwood Cyn, along Cottonwood-Blackjack Rd, ca. 1.6 mi WSW of Blackjack Pk 304 Comment
  SD69014  Madia gracilis Robert F. Thorne 1968-5-28 37648 Los Angeles Santa Catalina Island; central part of Bulrush Canyon 245 Comment
  RSA547453  Madia gracilis Timothy S. Ross 1992-5-17 6384 Los Angeles E Fork of the San Gabriel River, Heaton Flat area; 18 degrees NNE, 425 m distant from East Fork Station 624 Comment
  RSA725843  Maianthemum stellatum Richard G. Swinney 1997-7-16 5667 Los Angeles Buford Canyon, 0.5 mi. W of San Barnardino Co. line, S of Hwy 2 and Swarthout Valley, 2 air mi. W of Wrightwood 1921 Comment
  RSA631369  Maianthemum stellatum Louis C. Wheeler 1967-9-3 10642 Los Angeles San Gabriel Mountains; Prairie Fork. 2317 Comment
  RSA320825  Malacothamnus clementinus F. C. Boutin 1967-4-23 1654 Los Angeles San Clemente Island: E side of island, Lemon Tank, a dump site. 305 Comment
  CAS-BOT-BC206695  Malacothamnus densiflorus Elmer I. Applegate 1931-11-8 7006 Los Angeles 8 miles below Big Pine Camp, San Gabriel Mountains Comment
  CAS-BOT-BC206199  Malacothamnus fasciculatus Louis C. Wheeler 1932-5-26 752 Los Angeles San Gabriel Wash 106 Comment
  CATA955  Malacothamnus fasciculatus Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-21 1820 Los Angeles Santa Catalina Island: Cottonwood Canyon, southeast of El Rancho Escondido 45 Comment
  RSA3240  Malacothamnus fasciculatus Carl B. Wolf 1931-6-25 2242 Los Angeles SW of Los Angeles Botanic Garden, along Beverly Blvd. (Mandeville Canyon) 61 Comment
  RSA434306A  Malacothamnus fasciculatus I. M. Johnston 1917-5-13 982 Los Angeles San Gabriel Wash 152 Comment
  UCR205888  Malacothamnus fasciculatus A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37088 Los Angeles San Gabriel Valley, west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  UC1122023  Malacothamnus fasciculatus var. fasciculatus A. D. Gifford 1935-1-7 406 Los Angeles 6 1/2 mi ese Whitaker Peak; Tejon Quadrangle 518 Comment
  SBBG72798  Malacothamnus orbiculatus R. Hoffmann 1927-8-31 Los Angeles Oak's Garage, Mint Cyn Comment
  POM362254  Malacothrix californica Freda Detmers 1931-5-17 s.n. Los Angeles Mint Canon. [canyon] Comment
  UCR229160  Malacothrix californica Dan S. Cooper 2011-5-5 511- 52 Los Angeles Western Mojave Desert, Antelope Valley, 5.4 mi southeast (119 deg. ) of Neenach, south of Ripley Reserve, south of Hwy 138 938 Comment
  CAS-BOT-BC345321  Malacothrix californica Alice Eastwood 1906-5-27 222 Los Angeles Country adjacent to Los Angeles. Burbank Comment
  RSA94957  Malacothrix clevelandii F. W. Peirson 1919-5-21 445 Los Angeles Arroyo Seco Canyon, near Pasadena 685 Comment
  RSA654328  Malacothrix saxatilis Benjamen Rangel 1992-5-17 777 -45 Los Angeles In the avocado orchard behind the dormitories at Cal Poly Pomona; found mostly in the back side of the orchard by the freeway fence and the water drainage. Comment
  SFV4050  Malacothrix saxatilis R. L. Armacost 1960-10-29 1341 Los Angeles Santa Monica. Comment
  CAS-BOT-BC347939  Malacothrix saxatilis var. tenuifolia J. H. Thomas 1957-6-2 6804 Los Angeles Arroyo Seco under Colorado St. Bridge, Pasadena Comment
  UC1069946  Malacothrix saxatilis var. tenuifolia A. D. Gifford 1934-5-16 245 Los Angeles mouth Escondido Canyon; Triunfo Pass Quad., mouth of Escondido Canyon Comment
  LA62904  Malosma laurina Louis C. Wheeler; 1933-11-29 2277 Los Angeles San Gabriel Mountains, San Dimas Canyon 380 Comment
  RSA226157  Malosma laurina Gary D. Cromwell, David Wheat 1971-5-23 684 Los Angeles San Gabriel Mountains, Angeles National Forest: Mystic Canyon, 2 miles NE of Glendora. Comment
  UCD116866  Malosma laurina G. H. Vansell 1933-6-30 s.n. Los Angeles Palmdale, Antelope Valley. Comment
  UCSB8653  Malosma laurina McElwain, Isabelle 1953-5-4 Los Angeles 18000 Bull Canyon Rd., Granada Hills 457 Comment
  RSA787633  Malus pumila Jane Tirrell 2012-5-8 LS 0043 Los Angeles Highway cut, north side of California State Route 2 near mile marker 66.43 2231 Comment
  SBBG131985  Malva parviflora S. A. Junak 1990-11-9 SCI 135 Los Angeles immediately below field station, at Camera Pad "Stone" 448 Comment
  UCR272757  Malvella leprosa Reid Moran 1962-10-3 5378 Los Angeles Channel Islands, Santa Catalina Island, banks around Wrigley Reservoir at summit of island road 427 Comment
  SEINET8895140  Malvella leprosa G. B. Grant 1904-6-5 1199 Los Angeles Ballona. Comment
  RSA670680  Marah guadalupensis B. C. Templeton 1968-2-25 11394 Los Angeles Near the isthmus, Santa Catalina Island. Comment
  UC519985  Marah macrocarpa Louis C. Wheeler 1932-4-9 570 Los Angeles 4 mi w Fairmont; Mohave Desert 914 Comment
  UCR153585  Marah macrocarpa A. C. Sanders 2005-5-11 30192 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon along Plum Canyon Rd. between crest and vernal pool on bench in mid canyon, NW of Forest Park between Mint and Bouquet Cyns. 671 Comment
  RSA440990  Marah macrocarpa Anstruther Davidson s.n. Los Angeles Foothill, Los Angeles Comment
  RSA549147  Marrubium vulgare Tim S. Ross 1990-6-20 3655 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon 1256 Comment
  RSA592607  Marrubium vulgare Mark Hoefs, D. Propst 1973-3-14 98 Los Angeles Cape Canyon, Santa Catalina Island. 290 Comment
  RSA594290  Marrubium vulgare Louis C. Wheeler 1967-7-30 10250 Los Angeles San Gabriel MountaiSan Gabriel Mountains. 1.6 mi. N of junction of 3N33 and 3N06 about 350-450 tds. due west of Shade Campground at base of east-facing slope. N fork Lytle Creek, on 3N33.ns. Big Tujunga Canyon at Trail Canyon. 518 Comment
  RSA724459  Marrubium vulgare K. Dobry 1991-6-13 d- 727 Los Angeles Santa Monica Mts. Las Virgenes and Mulholland Hwy at Soka Univ. Comment
  LA81994  Marrubium vulgare Carl Epling; 1925-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA409819  Marrubium vulgare J. F. McBroom 1941-7-25 s.n. Los Angeles Pasadena foothills Comment
  CAS-BOT-BC348121  Matricaria discoidea Timothy S. Ross; Steve Boyd 1994-5-11 7799 Los Angeles Liebre Mountains. Atmore Meadows: between Liebre and Sawmill Mountains; streams draining southward to the North Fork of Fish Canyon 1325 Comment
  RSA0089152  Matricaria discoidea R. G. Swinney 2010-3-24 12074 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA0113367  Matricaria discoidea LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7515 Los Angeles Arrastre Canyon. Started near mouth of canyon, near 34.44397N 118.20032W. Ended on top of a small knoll, near 34.43011N 118.18667W. 804 Comment
  CAS-BOT-BC348124  Matricaria discoidea Ernest C. Twisselmann 1962-4-10 6858 Los Angeles Mojave Desert. Antelope Valley: Avenue A, 5.2 miles west of Highway 6 670 Comment
  CHSC99686  Medicago lupulina LeRoy Gross 2003-5-19 1026 Los Angeles Coastal Plains and Basins; San Fernando Valley Basin region: City of Sunland. Bluff south side of Big Tujunga Wash, weed in yard in housing tract called 'Sunhill Estates'. 366 Comment
  POM276574  Medicago polymorpha George B. Grant 1903-02 s.n. Los Angeles Pasadena Comment
  UCR213437  Medicago polymorpha A. C. Sanders, Dan S. Cooper 2010-3-12 37345 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR271814  Medicago polymorpha R. G. Swinney 2010-5-7 12596 Los Angeles San Gabriel Mountains, Lake View Terrace, Oliver Canyon, 0.85 air miles north of I-210 Fwy., c. 100 meters east of cyn. bottom along private dirt service rd. 463 Comment
  UCSB3418  Medicago polymorpha Haller, John 1950-3-30 Los Angeles UCLA Base of Faculty Hill, near Sunset Blvd. Comment
  CAS-BOT-BC281498  Melica imperfecta Mrs. Jos Clemens 1922-5-5 s.n. Los Angeles Los Angeles Comment
  CAS-BOT-BC281521  Melica imperfecta L. A. Greata 1900-4-11 s.n. Los Angeles Mt Lowe Comment
  CAS-BOT-BC281524  Melica imperfecta I. M. Johnston 1918-6-2 2021 Los Angeles San Antonio Mts. Evey Canon 914 Comment
  RSA727405  Melica imperfecta R. G. Swinney 1998-5-30 6159 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Fern Canyon 890 Comment
  UCD87864  Melica imperfecta Peter Kamb 1948-7-13 1214 Los Angeles San Gabriel Mts, Big Tujunga Canyon at Wildwood. 548 Comment
  RSA623823  Melica stricta Arthur R. Kruckeberg 1940-6-3 5004 Los Angeles Islip, Buckhorn Trail 2073 Comment
  UCR189664  Melica stricta R. G. Swinney 1998-6-12 6192 Los Angeles San Gabriel Mtns., NW of Jackson Lake at Ball Flat, 0.3 mi. north of Big Pines Hwy on 4N16, Ball Flats Rd. 1866 Comment
  LA105043  Melilotus albus Barry A. Prigge; 1988-7-3 8161 Los Angeles SANTA MONICA MOUNTAINS, 0.2 mi E of jtn of Mulholland Hwy and Old Topanga Rd, across from Calabasas High School. 313 Comment
  RSA0087866  Melilotus indicus R. G. Swinney 2010-5-4 12567 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  RSA776557  Mentha spicata var. spicata Orlando Mistretta, Christine Mistretta 2010-6-15 5311 Los Angeles Transverse Ranges; San Gabriel Mountains region: Upper Big Tujunga Canyon; Lynx Gulch. Along Lynx Gulch Road, 0.68 road miles N of junction with Upper Big Tujunga Canyon Road. 1045 Comment
  RSA704231  Mentzelia Gary D. Wallace 1982-4-17 1912 Los Angeles Mojave Desert: Fort Tejon Road S of Pearblossom, between 106th and Longview Road. Comment
  RSA314595  Mentzelia albicaulis Robert F. Thorne, C. W. Tilforth 1973-4-20 43019 Los Angeles San Gabriel Mts., Mojave Desert Slope: 1 mi N of Bob's Gap, 3.2 mi S of Llano, N slope of Holcomb Ridge 1143 Comment
  SBBG49901  Mentzelia albicaulis L. S. Matlovsky 1975-3-28 DM 0011 -16 Los Angeles near Butte Valley Wild Flower Sanctuary Comment
  RSA762063  Mentzelia dispersa Orlando Mistretta, Christine Mistretta 2008-5-16 3088 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 106 per TRTP Survey 2008), Upper Fish Canyon 1002 Comment
  SBBG69256  Mentzelia gracilenta R. Hoffmann 1931-5-3 Los Angeles San Francisquito Cyn Comment
  UCR263211  Mentzelia jonesii Ed Kentner 2014-3-21 361 Los Angeles Western Mojave Desert, c. 13 km east of Pearblossom, near the corner of Largo Vista Road and Avenue X-8 1876 Comment
  UCR277019  Mentzelia laevicaulis R. G. Swinney 2010-9-30 13911 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
  RSA225723  Mentzelia micrantha Robert F. Thorne, M. Z. Thorne 1971-5-22 39706 Los Angeles San Gabriel Mountains: Near mouth of Fish Canyon. 244 Comment
  POM83989  Mentzelia micrantha I. E. Diehl 1902-6-28 259 Los Angeles Avalon, Santa Catalina Island. Comment
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Jan 22 2009
  RSA0034482  Mentzelia micrantha Carol Haines 1964-5-23 166 Los Angeles 13 miles from begeinning of Old Ridge Route. 1066 Comment
  RSA446790  Mentzelia montana Bonnie C. Templeton 1933-5-16 5132 Los Angeles West Blue Ridge, Big Pines Park, San Gabriel Mts. 2195 Comment
  POM2966  Mentzelia veatchiana I. M. Johnston 1917-7-1 1755 Los Angeles Brown s Flats. 1311 Comment
  RSA725066  Mentzelia veatchiana Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -84 Los Angeles Bob's Gap. At the South edge of Bob's Gap, on slopes and roadside, and down in the wash. 1433 Comment
  UCR185588  Mentzelia veatchiana A. C. Sanders 2007-4-25 33579 Los Angeles Tehachapi Mtns., Oso Canyon, 0.25 mi. SE of the Kern Co. line along Oso Cyn. Rd. 1159 Comment
  RSA250694  Mentzelia veatchiana Robert F. Thorne, J. P. Simon, John Dourley, H. Caulfield 1970-5-1 39527 Los Angeles Along road to Valyermo ca. 1 mi. E of Pallett Ranch N of Pinyon Ridge; at foot of grade in Shoemaker Canyon in pinyon-juniper woodland. 1402 Comment
  SBBG22846  Mentzelia veatchiana D. Myrick 1965-3-5 1087 Los Angeles Victorville-Palmdale Hwy 138 853 Comment
  UC625049  Mesembryanthemum crystallinum F. R. Fosberg 1931-5-18 S 4891 Los Angeles Little Harbor; Santa Catalina Island, Little Harbor 2 Comment
  RSA583003  Micropus californicus Timothy S. Ross, Janet Takara, S. Otte 1993-4-24 6959 Los Angeles W end of island beyond the isthmus, lower Bouchette Canyon (draining northward to Johnsons Landing) 244 Comment
  CAS-BOT-BC348450  Micropus californicus var. californicus Tim Ross; Janet Takara; Stacey Otte 1993-4-24 6959 Los Angeles Santa Catalina Island: W end of island beyond the isthmus, east side of Bouchette Canyon (draining northward to Johnsons Landing) 243 Comment
  RSA158344  Microseris douglasii subsp. platycarpha P. H. Raven 1962-4-10 17199 Los Angeles San Clemente Island. Summit of Thirst. 579 Comment
  RSA526610  Microseris lindleyi Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-7 4192 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  RSA597994  Microsteris gracilis Steve Boyd, Lauren Raz 1997-3-14 9166 Los Angeles Liebre Mountains, lower north flank of Liebre Mountain, eastern slope of Horse Camp Canyon. 1389 Comment
  UC1587739  Mimulus Tim Ross and Steve Boyd 1990-6-6 2879 Los Angeles Piru Pond Los Padres National Forest, Liebre Mtn USGS 7.5' quadrangle 644 Comment
  POM305930  Mimulus aurantiacus Henry J. Ramsey, Henry J. Ramsey 1938-5-1 1218 Los Angeles Altadena, Eaton Canyon Park Comment
  UC1922286  Mimulus aurantiacus Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 714 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999. Near 34deg 14' 12.6'' N 118deg 17' 24.7'' W T2N 518 Comment
  HSC12517  Mimulus aurantiacus var. pubescens Wendell Wood 1970-6-20 12 Los Angeles Linda Vista Rd. and Figueroa, Glendale 457 Comment
  LA105326  Mimulus aurantiacus var. pubescens Barry A. Prigge; 1989-4-23 8440 Los Angeles Santa Susana Mountains, ridge between Falls Creek and Blind Canyon, 1.5 mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 579 Comment
  POM69  Mimulus aurantiacus var. pubescens P. A. Munz 1918-4-11 2033 Los Angeles Glendora. Comment
  RSA420308  Mimulus aurantiacus var. pubescens R. S. Woglum 1930-4-28 s.n. Los Angeles Hills south of Glendora. Comment
  UC1871027  Mimulus aurantiacus var. pubescens T. S. Ross, W. Appleby 1993-5-20 7188 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mountains: vicinity of Wilson Canyon Saddle; San Fernando quad: R15W T3N, NE/4 SE/4 sect. 9; elev. ca. 3120 ft. 951 Comment
  UCR273390  Mimulus aurantiacus var. pubescens R. G. Swinney 2011-3-18 14133 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  UC729554  Mimulus aurantiacus var. puniceus Carl B. Wolf 1932-5-10 3509 Los Angeles Avalon Canyon, above the last almond orchard Santa Catalina Island 121 Comment
  POM219977  Mimulus aurantiacus var. puniceus F. R. Fosberg 1932-5-5 8105 Los Angeles n. [north of?] Avalon, Santa Catalina Island 40 Comment
  SFV15586  Mimulus bigelovii K. C. Molina, K. L. Garrett 1992-5-10 26 Los Angeles San Gabriel Mountains 4 km northeast Valyermo Ranger Station at Bob's Gap. In bed of dry wash. 1200 Comment
  SEINET13276774 Image available Mimulus brevipes R. G. Swinney 2011-1 14469 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  UCD122435  Mimulus brevipes Daryl Koutnik 1978-3-31 198 Los Angeles West fork of Triunfo Creek, south of Westlake. 411 Comment
  JEPS10258  Mimulus cardinalis F. W. Peirson 1918-7-9 194 Los Angeles San Antonio Canyon San Gabriel Mts. 1981 Comment
  UCR258525  Mimulus cardinalis R. G. Swinney 2010-8-9 13473 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, Camp Sturtevant 1049 Comment
  RSA733128  Mimulus floribundus R. G. Swinney 1998-7-30 6583 Los Angeles San Gabriel Mtns.: tributary of Cow Canyon at Fallen Leaf Spring, c. 2.4 mi. SW of Cow Cyn. Saddle of Glendora Rodge Rd. 1338 Comment
  UCR204832  Mimulus floribundus R. G. Swinney 2005-8-11 8464 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR187111  Mimulus guttatus A. C. Sanders 2006-5-16 32301 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. west of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  UCR206127  Mimulus guttatus R. G. Swinney 2008-6-9 9013 Los Angeles San Gabriel Mtns., middle fork of Punchbowl Canyon at junction with South Fork Trail, 2.1 mi. SSE of Devils Punchbowl Co. Park headquarters via trail 1585 Comment
  UCR258888  Mimulus guttatus R. G. Swinney 2010-8-16 13525 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  RSA527610  Mimulus guttatus Steve Boyd, Tim S. Ross, L. Arnseth 1990-4-8 4437 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  RSA624038  Mimulus johnstonii Arthur R. Kruckeberg 1940-6-3 926 Los Angeles San Gabriel Mountains: South Fork, Big Rock Creek Trail, East Slope 1982 Comment
  RSA80142  Mimulus johnstonii F. W. Peirson 1919-6-13 480 Los Angeles Rock Creek. 1296 Comment
  SFV16965  Mimulus pilosus J. N. Hogue, P. Wilson 1997-6-27 87 .9 Los Angeles San Gabriel Mountains Highway 2, mile marker 54.22. Near Camp Valcrest. 1829 Comment
  UCR110888  Mimulus pilosus A. C. Sanders, D. Malueg, K. D. Jones 1998-6-22 21999 Los Angeles San Gabriel Mtns., Soledad Pass area at the N foot of the mtns, c. 5 miles SW of Palmdale, along SCE Mesa-Vincent power line at pole 18-03, just south of Vincent Substation 1000 Comment
  UCR206148  Mimulus pilosus R. G. Swinney 2008-6-4 8924 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, west tributary of W Fork Punchbowl Canyon, 0.4 mi. NE of park headquarters 1329 Comment
  RSA286778  Mimulus suksdorfii Robert F. Thorne, Larry E. DeBuhr 1974-6-28 44749 Los Angeles Angeles National Forest: Lily Springs area on N slope of Mt. Hawkins, drainage of S Fork Big rock Creek. 2439 Comment
  UC1930009  Minuartia douglasii V. Soza, LeRoy Gross 2002-4-3 1379 Los Angeles Transverse Ranges; Liebre Mountains region; West side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. Comment
  UCR276917  Mirabilis laevis R. G. Swinney 2011-3-29 14279 Los Angeles San Gabriel Mts., Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel 366 Comment
  LA200666  Mirabilis laevis var. crassifolia Norman A. Cole; May 1964 355 Los Angeles SANTA MONICA MOUNTAINS, 2.9 mi from Pacific Coast Hwy along Rambla Pacifico. 335 Comment
  RSA3537  Mirabilis laevis var. crassifolia Carl B. Wolf 1932-5-9 s.n. Los Angeles Left (east) fork of Pebbly Beach Canyon about 1/3 mile above the Mexican houses, Santa Catalina Island. 152 Comment
  LA200663  Mirabilis laevis var. crassifolia A. M. Johnson; 1932-4-4 3928 Los Angeles Westwood, UCLA campus. Faculty Hill Comment
  UCR186413  Mirabilis multiflora T. B. Salvato, H. Spencer Badet, Mitch Provance 2007-4-26 2080 Los Angeles Tehachapi Mountains Foothills/Western Antelope Valley, outwash plain below Bronco Canyon, c. 4 mi N of Hwy 138 965 Comment
  RSA747388  Modiola caroliniana A. C. Sanders, T. B. Salvato 2009-5-20 36883 Los Angeles San Gabriel Valley: Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. ( Hwy 19) and west of Santa Anita Ave. 66 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
  SD4399  Monardella breweri subsp. lanceolata Mary Caswell Jun 1899 Los Angeles Pomona Comment
  UC1971449  Monardella lanceolata Louis C. Wheeler 1947-7-11 6545 Los Angeles SAN GABRIEL MOUNTAINS: Millard Canyon. Mesa between Millard Canyon and Arroyo Seco. Comment
  UCR210134  Monardella linoides R. G. Swinney 2008-8-13 9391 Los Angeles San Gabriel Mtns., Big Rock Creek, 1.3 mi. east of Fenner Canyon 1860 Comment
  RSA300977  Monardella macrantha subsp. hallii D. C. Michener, Walter Wisura 1982-8-7 4168 Los Angeles Road banl between Sunset Peak and Sunset ridge electronic site, just south of fern-Cat canyons saddle. 1555 Comment
  RSA83322  Monardella macrantha subsp. hallii I. M. Johnston 1924-8-13 s.n. Los Angeles Head of Evey Canyon Comment
  LA84412  Monardella saxicola Rimo Bacigalupi; Reino Alava 1958-7-20 6419 Los Angeles San Gabriel Mountains, Angeles National Forest, N face of Kratka Ridge, upper slopes of Little Rock Creek Canyon, about 1 mi. W of Cedar Spring, Angeles Crest Highway 2072 Comment
  RSA252918  Monoptilon bellidiforme R. F. Thorne, C. W. Tilforth 1973-4-20 43062 Los Angeles San Gabriel Mts., Mojave Desert slopes: 3.2 miles S of Hwy 138 along Grandview Canyon Rd. 1280 Comment
  RSA615555  Mucronea californica LeRoy Gross 1998-5-15 13 Los Angeles San Gabriel Mtns: Big Tujunga Wash. East of 210 freeway ,west of Big Tujunga Canyon Road. 366 Comment
  RSA0088592  Muhlenbergia asperifolia R. G. Swinney 2010-9-13 13843 Los Angeles C. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek. 1244 Comment
  RSA534482  Muhlenbergia californica Timothy S. Ross, Annette Ross 1989-9-20 1780 Los Angeles San Antonio Canyon near pond west of Spring Hill and below Baldy Road in the Canyon 975 Comment
  RSA719576  Muhlenbergia californica R. G. Swinney 1997-7-22 5695 Los Angeles Government Canyon, W of Wrightwood, 0.75 mi W of San Bernardino Co. line at Hwy. 2, Blue Ridge Mountain area 2073 Comment
  RSA226182  Muhlenbergia microsperma Gary D. Cromwell 1971-5-14 647 Los Angeles Mystic Canyon, Angeles National Forest, 2 miles NE of Glendora; 396 Comment
  RSA591202  Muhlenbergia microsperma L. C. Wheeler 1933-11-19 2272 Los Angeles San Gabriel Canyon. 335 Comment
  SEINET10599996  Muhlenbergia microsperma LeRoy R. Abrams 1903-3-8 Abrams 3111 Los Angeles Sepulveda Canon, Santa Monica Mts. Comment
  CAS-BOT-BC275087  Muhlenbergia richardsonis Victor Duran 1933-7-20 3522 Los Angeles Buckhorn, San Gabriel Mountains 1981 Comment
  RSA776560  Muhlenbergia rigens Orlando Mistretta, Christine Mistretta 2010-6-15 5308 Los Angeles Transverse Ranges; San Gabriel Mountains region: Upper Big Tujunga Canyon; Lynx Gulch. Along Lynx Gulch Road, 0.68 road miles N of junction with Upper Big Tujunga Canyon Road. 1045 Comment
  SD52293  Muhlenbergia rigens A. J. McClatchie 1891-8-3 11955 Los Angeles Pasadena Comment
  RSA0127985  Muilla coronata Kevin Cornell 2017-3-27 s.n. Los Angeles Lebata Mine to the northeast of the city of Pearblossom. 868 Comment
  RSA0073592  Muilla maritima Orlando Mistretta, Christine Mistretta 2005-4-21 2062 Los Angeles Transverse Ranges; San Gabriel Mountains region: Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station. 1341 Comment
  RSA377608  Muilla maritima Geo L. Moxley 1915-5-31 332 Los Angeles Santa Anita Canyon, San Gabriel Mountains. Comment
  RSA547428  Muilla maritima Timothy S. Ross 1992-5-17 6354 Los Angeles San Gabriel Mountains: E Fork of the San Gabriel River, 164 degrees SSE, ca. 55 meters distance from mouth of Shoemaker Canyon 659 Comment
  CHSC95455  Nassella cernua LeRoy Gross; Naomi Fraga, Bill Hogshead 2002-3-21 494 Los Angeles Los Angeles Basin; Verdugo Mountains Region: Southwest side; South of La Tuna Canyon Road, at end of Morning Glow Way. Sunny southwest facing gentle slope, near the main ridgetop south of Morning Glow. 412 Comment
  CAS-BOT-BC259923  Nassella lepida H. E. Hasse 1895-4-8 s.n. Los Angeles Canons [Canyons] of Santa Monica Range Comment
  UC2029943  Nassella lepida Valerie Soza, LeRoy Gross 2001-5-14 1214 Los Angeles Transverse Ranges, San Gabriel Mountains region: Santa Anita 1999 Fire Area, above Santa Anita Canyon, ca. 0.7 mile west of the Santa Anita Dam. Comment
  UC1008716  Navarretia hamata Kay H. Beach 1943-7-24 1878 Los Angeles Tanbark Flat, near Lysimeters San Dimas Experimental Forest Comment
  UC1348880  Navarretia hamata subsp. leptantha Robert F. Thorne and P. Everett 1965-6-24 35025 Los Angeles Rancho Escondido Santa Catalina Island, Escondido Canyon 213 Comment
  UC856872  Navarretia hamata subsp. leptantha L. W. Nuttall 265 Los Angeles Santa Catalina Island Comment
  RSA0106731  Nemacladus longiflorus var. breviflorus R. G. Swinney 2011-5-19 14791 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
  RSA596173  Nemacladus ramosissimus L. C. Wheeler 1957-5-5 7264 Los Angeles San Gabriel Mountains. Dunsmore Canyon. 883 Comment
  RSA616268  Nemophila menziesii Scott D. White, Pam DeVries 1998-3-15 6496 Los Angeles Soledad Canyon Proposed quarry area N of Soledad Canyon road, S of I14 freeway, E of Bee Canyon and W of Agua Dulce Canyon. Degraded shrublands on S facing slopes and canyons above Soledad Canyon. 579 Comment
  RSA75884  Nemophila menziesii var. integrifolia F. W. Peirson 1925-3-18 5467 Los Angeles South slope of Newhall Grade between Saugus and San Fernando Valley 381 Comment
  POM3505  Nemophila menziesii var. menziesii E. L. Brown s.n. Los Angeles Hillsides, Pasadena Comment
  RSA713730  Nemophila menziesii var. menziesii LeRoy Gross 2005-4-28 2116 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  UCR242114  Nemophila pedunculata Anuja Parikh, Nathan Gale 2010-4-27 3143 Los Angeles Tehachapi Mtns. Foothills/Western Mojave Desert, hills north of Quail Lake, along dirt road in Oso Canyon 1074 Comment
  UCR270505  Nemophila pedunculata R. G. Swinney 2011-5-26 14847 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
  POM4066  Nicotiana bigelovii var. wallacei Voorhees 1900-5-11 s.n. Los Angeles Claremont. 366 Comment
  RSA624054  Nicotiana glauca Louis C. Wheeler 1967-5-23 9694 Los Angeles Near mouth of Bear Canyon, off Soledad Canyon. 579 Comment
  RSA640823  Nicotiana glauca Louis C. Wheeler s.n. Los Angeles LaVerne: Wheeler's residence. Comment
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Nov 23 2015
  RSA654169  Nicotiana glauca Marilyn Porter 1991-5-17 35 Los Angeles Upland at San Bernardino County line, south from parking area at Shinn Road and Mount Baldy Road. Followed abandoned road beginning from road side to San Antonio Dam. 670 Comment
  RSA675006  Nicotiana glauca LeRoy Gross 2003-2-22 746 Los Angeles South side; A short distance up mouth of Brand Canyon, west next to Brand Canyon Cemetery. North of the Debris Basin. 287 Comment
  RSA617157  Nothoscordum borbonicum Scott D. White 1996-4-13 3929 Los Angeles Geneva Avenue: N of San Jose, S of Arrow Highway, W of Indian Hill, E of Towne. 323 Comment
  JEPS44069  Oenothera californica W. L. Jepson 1935-4-17 17052 Los Angeles 6 1/2 mi w Lancaster 731 Comment
  UCR206263  Oenothera californica R. G. Swinney 2008-6-4 8942 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, c. 100 m SW of park headquarters/nature center 1470 Comment
  CAS-BOT-BC167065  Oenothera californica Robert F. Thorne; C. W. Tilforth 1973-4-20 43089 Los Angeles San Gabriel Mts., Mojave Desert slope: c. 2 mi NW of Mormon Rocks and 5 mi SE of jct of roads to Palmdale and Wrightwood Comment
  POM250396  Oenothera californica subsp. californica I. W. Clokey, C. B. Clokey, Bonnie C. Templeton 1930-5-13 4745 Los Angeles Bouquet Canyon. 800 Comment
  RSA532835  Oenothera elata subsp. hirsutissima Tim S. Ross 1991-8-14 5792 Los Angeles Pacifico Mtn rd, 3200 ft NW of Alder saddle. 1768 Comment
  UC1043492  Oenothera elata subsp. hirsutissima E. K. Balls 1954-8-19 19770 Los Angeles Blk 13-24 Claremont, Botanic Garden (near lower pool) Comment
  UCR282593  Oenothera laciniata Dan S. Cooper 2017-5-4 517- 32 Los Angeles Santa Monica Mountains, Temescal Canyon Park 53 Comment
  SBBG126148  Oenothera rosea A. C. Sanders with T. B. Salvato 2009-5-21 36906 Los Angeles Whittier Narrows, between San Gabriel River and Rio Hondo, W side of Hwy 19 (Rosemead Blvd) along rd to shooting area, S of Hwy 60 along SCE powerlines 64 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
  RSA675814  Olea europaea LeRoy Gross 2003-3-7 755 Los Angeles 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
  RSA0078507  Opuntia basilaris var. basilaris Steve Boyd, Lauren Raz 1997-6-18 9976 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  RSA719122  Opuntia littoralis Naomi Fraga 2001-5-27 56 Los Angeles California State Polytechnic University, Pomona. Voorhis Ecological Reserve. Comment
  RSA225883  Oreonana vestita R. F. Thorne, C. W. Tilforth, John Dourley 1971-7-27 41069 a Los Angeles San Gabriel Mountains, Angeles National Forest: west Baldy Peak on ridge running E toward Old Baldy (Mt. San Antonio) 3018 Comment
  RSA0076171  Orobanche bulbosa Robert F. Thorne 1966-4-29 36327 Los Angeles Santa Catalina Island: below road to White's Landing above turn-off to Echo Lake. 411 Comment
  RSA0078631  Orobanche californica subsp. feudgei Orlando Mistretta 1994-5-31 1276 Los Angeles San Gabriel Mountains. Santiago Canyon. N slope of Pacifico Mountain. 2020 Comment
  RSA0055999  Orobanche fasciculata Richard G. Swinney 2010-5-25 12984 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 jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  SEINET10836877  Orobanche fasciculata David B. Dunn 1955-5-6 Dunn 11854 Los Angeles Collect in stoddard canyon below the fork in road in san antonio canyon. Abut 1 1/4 yrs after the Fire went thru stripping the chajjaral out. A few of the sycamores had a narrow Strip of cambium surgace on thedown canyon side. Live oaks resprouting from many branches. Shrubs stump sprouting and an abundance of herbaceous species. On hillside. Comment
  UCSB6228  Orobanche valida subsp. valida 1940-7-5 Los Angeles San Gabriel-San Dimas divide; up to 4100 ft elev. Comment
  RSA402066  Orthocarpus purpurascens N. C. Cooper 1945-5-1 2222 Los Angeles Tapia Park area, Santa Monica Mountains. 610 Comment
  RSA402075  Orthocarpus purpurascens Jack Rempel 1932-3-26 15263 Los Angeles El Segundo. Comment
  CAS-BOT-BC6999  Orthocarpus purpurascens var. pallidus George Bernard Grant 1902-4-1 886 Los Angeles Lincoln Park, near Pasadena Comment
  RSA12408  Orthocarpus purpurascens var. pallidus Carl B. Wolf 1934-4-11 5621 Los Angeles Bryant Ranch, east of Long Beach, 250 ft. northeast of junction of Hathaway, Los Altos and 8th Streets. 15 Comment
  SEINET10661460  Oryza sativa Heidi H. Schmidt, M. R. Weed 1999-10-12 Schmidt 3889 Los Angeles City of Santa Monica. Yaohan: 3760 Centinela Avenue: Santa Monica, CA: 90066: (310) 398-2113 - phone. 20 Comment
  UC875691  Osmorhiza brachypoda C. F. Baker 1904-5-2 4730 Los Angeles hills near Claremont Comment
  SEINET920555  Oxalis corniculata Wesley O. Griesel 1961-1 s.n. Los Angeles La Canada. 457 Comment
  SBBG131884  Oxalis pes-caprae S. A. Junak, D. Wilken 1996-3-26 SCI 253 Los Angeles top of bluffs along N side of Lemon Tank Cyn 323 Comment
  UCSB9456  Oxalis pes-caprae Lloyd, Robert 1959-2-18 Los Angeles Just North of Holmes Hall, Pomona College campus; vacant area near lawn 365 Comment
  RSA0110599  Oxytheca parishii var. parishii Richard G. Swinney 2010-9-30 13915 Los Angeles 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
  CAS-BOT-BC316961  Packera ionophylla R. J. Dobbs 1927-6-29 s.n. Los Angeles Top, Strawberry Peak. 1874 Comment
  RSA473027  Packera ionophylla Albert J. Perkins 1931-6-3 14975 Los Angeles Along trail to Colby's Camp Comment
  UC1870261  Packera ionophylla LeRoy Gross, Michael Denslow 2003-6-4 987 Los Angeles Transverse Ranges; San Gabriel Mountains region; Trail from Islip Saddle to South Fork Big Rock Creek. 0.5 to 0.7 mile down trail from the Saddle, before Reed Spring. Near 34.36445N, 117.84960W Comment
  UCD102587  Paeonia californica John Ingrum 1997-2-25 006 Los Angeles Santa Monica Mountains, Mulholland Hwy. and Santa Maria Rd. Comment
  RSA628026  Panicum acuminatum var. acuminatum L. C. Wheeler 1964-11-6 8643 Los Angeles North fork San Gabriel River: Yucca Flat, near falling spring between Coldbrook and Crystal Lake. . Comment
  SBBG36277  Parietaria hespera var. californica S. A. Junak with K. Kirkland 1998-5-2 SCa 652 Los Angeles near top of coastal bluffs, ca. 1 air mi W of East Pk at end of ridge SW of Pk 1245 228 Comment
  UC1714586  Parietaria hespera var. hespera L. R. Abrams and I. L. Wiggins 1931-7-6 369 Los Angeles vicinity Mosquito Harbor; San Clemente Island Comment
  UCD111504  Parietaria hespera var. hespera Scott D. White; Michael Honer 2004-6-24 10486 B Los Angeles Pomona Valley/San Gabriel Mountain. City of Claremont; San Antonio Canyon alluvial fan, N of Baseline Ave. and W of concrete-lined flood control channel. 487 Comment
  UCR125609  Parietaria hespera var. hespera A. C. Sanders 2003-5-22 26823 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
  RSA150678  Parietaria hespera var. hespera Peter H. Raven 1962-4-12 17309 Los Angeles Head of canyon near the Tomb. Semishade. San Clemente Island Comment
  RSA623864  Paspalum distichum Charlotte M. Hoak 3908 Los Angeles Santa Monica Canyon. Comment
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May 29 2014
  RSA733147  Paspalum vaginatum R. E. Riefner 2006-7-8 6 -293 Los Angeles City of Malibu, Malibu Lagoon, E. lagoon near Surfrider Beach. 0 Comment
  RSA751516  Paspalum vaginatum Carl Wishner, A. Gale 2005-8-12 2 -10 Los Angeles LAX: Santa Monica Mountains, Malibu Lagoon State Beach. 3 Comment
  CHSC106737  Passiflora caerulea R. E. Riefner Jr. 2007-4-15 07 -180 Los Angeles Harbor City, Harbor Regional Park and Lake, Bixby Slough, Vermont Ave./Pacific Coast Hwy. UTM: (NAD 83) 11S0380774E 378961N. 14 Comment
  UCR125428  Pectocarya anisocarpa A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25713 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Grapevine Mesa' c. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon 335 Comment
  UCR85814  Pectocarya anisocarpa T. S. Ross 1991-3-24 4312 Los Angeles Whittier Hills (Puente Hills, pro parte) 311 Comment
  IRVC27797  Pectocarya linearis A. C. Sanders 2005-5-11 30172 Los Angeles Santa Clarita area, upper Plum Cyn along Plum Cyn Rd between crest and vernal pool on bench in mid cyn, NW of Forest Park between Mint and Bouquet cyns. Western San Gabriel/Liebre Mtns Region 579 Comment
  UCR155597  Pectocarya recurvata A. C. Sanders, Helen Kennedy 2005-4-13 29450 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA575547  Pectocarya setosa R. G. Swinney 1994-6-12 2933 Los Angeles Ca. 1.7 mi. N of jct of Hwy 138 & Soledad Rd, just W of San Bernardino County line/ Approx. 150 m W of Boneyard Canyon. 1311 Comment
  RSA686719  Pellaea andromedifolia F. R. Fosberg 1931-4-15 R 91 Los Angeles Santa Catalina Island. Eagle's Nest, Middle Ranch Canyon. 180 Comment
  RSA248848  Pellaea andromedifolia R. F. Thorne 1973-4-11 42867 Los Angeles San Clemente Island: middle portion of Norton Canyon. 274 Comment
  SFV14646  Pellaea andromedifolia S. Jonsson 1989-4-19 s. n. Los Angeles Santa Monica Mountains Devil's Canyon of Topanga Canyon Road development. 0.75 miles upstream of dam on south-facing slope. Comment
  RSA526585  Pellaea andromedifolia var. andromedifolia T. S. Ross 1991-3-24 4297 Los Angeles Whittier Hills (Puente Hills, pro parte). 341 Comment
  RSA686919  Pellaea mucronata Anonymous s.n. Los Angeles Santa Monica Mountains Comment
  CATA142  Pennisetum setaceum Sarah Ratay, Charlie de la Rosa 2009-9-19 106 Los Angeles Santa Catalina Island: At W edge of Hamilton Cove Housing Development in Avalon CA, near model home installation 69 Comment
  SEINET200079  Penstemon centranthifolius P. S. Rattle 1938-7-1 Los Angeles Found in the San Gabriel Mts. 1372 Comment
  SEINET2056591 Image available Penstemon centranthifolius George K. Helmkamp, E. A. Helmkamp 1998-5-21 4051 Los Angeles Western Mojave Desert: Junction of Munz Ranch Rd and Lake Elizabeth Rd N of Lake Elizabeth. 1098 Comment
  UC1137411  Penstemon grinnellii var. scrophularioides L. R. Short 1934-4-2 175 Los Angeles Tejon Pass Los Padres Forest, Tejon Quad., Tejon Pass 1219 Comment
  SEINET12272293  Penstemon heterophyllus Unknown 1936-1 Los Angeles Santa Monica Mts., Mt. Malabu Comment
  LA51903  Penstemon heterophyllus var. australis Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA408098  Penstemon heterophyllus var. australis Gale Sphon 1955-5-17 s.n. Los Angeles Mullholland Drive. Comment
  NY650688  Penstemon rostriflorus F. R. Fosberg 1931-8-12 S 5477 Los Angeles Buckhorn Trail, Islip-Williamson Divide, between Big Bear and Big [Rock?-not completely legible], San Gabriel Mountains 2000 Comment
  RSA0116834  Penstemon rostriflorus R. G. Swinney 2010-9-21 13861 Los Angeles San Gabriel Mountains; summit of Mt. Hawkins, at north end of Copter Ridge. 2683 Comment
  RSA401900  Penstemon spectabilis I. W. Clokey, Bonnie C. Templeton 1929-3-26 4475 Los Angeles Open rocky ridge. 300 Comment
  POM7645  Penstemon spectabilis subsp. subviscosus C. F. Baker 1903-7-20 3348 Los Angeles Claremont. Comment
  RSA276017  Penstemon spectabilis var. spectabilis Jack Delaini 1974-5-9 174 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. 793 Comment
  RSA0092550  Penstemon spectabilis var. subviscosus Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14320 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madres, 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
  RSA0066079  Pentagramma triangularis R. T. Hickernell 1948-5-8 7 Los Angeles One mile north of San Dimas Dam. 304 Comment
  RSA747058  Pentagramma triangularis subsp. triangularis R. G. Swinney 2008-5-30 8899 Los Angeles San Gabriel Canyon along old road/trail at El Encanto 256 Comment
  SD237289  Perideridia pringlei R. G. Swinney 2009-5-6 10655 Los Angeles Transverse Range; San Gabriel Mtns./ Western Mojave Desert: Carr Canyon, 0.4 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. One population c. 0.8 mi. SE of Mt. Emma Rd. 963 Comment
  RSA344531  Perityle emoryi F. C. Boutin 1967-4-23 1621 Los Angeles San Clemente Island: NE of runway of main airstrip, N end of island Comment
  CAS-BOT-BC167754  Petalonyx thurberi T. S. Brandegee 1883-9-1 s.n. Los Angeles [Ravina] Ravenna Comment
  UC108425  Petalonyx thurberi subsp. thurberi Brandegee Sept. 1888 Los Angeles Ravina Comment
  SBBG65066  Phacelia E. Crow 1930-6-29 Los Angeles near Pine Flats Comment
  RSA428100  Phacelia austromontana I. M. Johnston 1932-6-10 15494 Los Angeles Above Manker Flats on N slope, just beyond saddle near Sierra Club cabin Comment
  UCR191725  Phacelia cicutaria var. hispida A. C. Sanders 2008-4-23 35065 Los Angeles Transverse Range; western San Gabriel Mtns., upper Cow Spring Canyon 1090 Comment
  UCR194563  Phacelia ciliata A. C. Sanders 2008-4-25 35110 Los Angeles Transverse Range; Western San Gabriel Mtns., hill slopes c. 0.8 mi. NE of old La Liebre Ranch, 0-0.3 mi. south of Hwy 138 970 Comment
  UCSC001209  Phacelia curvipes Peter Kamb 1948-5-6 949 Los Angeles desert foothills of the San Gabriel Mts. above Little Rock, sandy and gravelly flats San Gabriel Mts. (Lower Sonoran Zone) Comment
  UC1400334  Phacelia davidsonii R. F. and M. Z. Thorne 1969-7-9 38585 Los Angeles Big Pines San Gabriel Mts., Angeles National Forest 2072 Comment
  POM123378  Phacelia distans Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. [Santa Monica Mountains] Comment
  UCR271874  Phacelia distans R. G. Swinney 2010-3-24 12059 Los Angeles San Gabriel Mountains, Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  UCR276977  Phacelia distans R. G. Swinney 2010-6-1 13151 Los Angeles San Gabriel Mountains, Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  POM3768  Phacelia distans O. W. Robinson 1916-3-10 s.n. Los Angeles Wash near Greek Theater, Claremont. Comment
  RSA426201  Phacelia distans E. S. Spalding 1923-3-28 s.n. Los Angeles Claremont. Comment
  RSA0089538  Phacelia douglasii Steve D. Boyd, Gary D. Wallace 2011-4-14 12318 Los Angeles Transverse Ranges; Liebre/San Gabriel Mountains region: Acton Wash ca. 3km east of junction of Soledad Cnayon Road and Crown Valley Road. 829 Comment
  UC1537526  Phacelia douglasii Gordon H. True Jr. 1935-3-27 181 Los Angeles 3 mi sw Palmdale 914 Comment
  JEPS55966  Phacelia egena Elizabeth E. Morse 1940-5-7 Los Angeles 10 mi se Palmdale; Little Rock River Canyon 914 Comment
  SD127605  Phacelia egena Scott Zona, D. Arias, et al. 21-28 Jun 1989 336 Los Angeles Mountain High Ski Resort; west of Wrightwood, north slopes of San Gabriel Mountains. 2018 Comment
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Jan 21 2011
  SBBG109015  Phacelia floribunda S. A. Junak with S. Burckhalter 1996-5-18 SCl 495 Los Angeles NE side of Seal Cove 36 Comment
  SD181480  Phacelia fremontii LeRoy Gross 2005-4-28 2139 Los Angeles Transverse Ranges,San Gabriel Mtns region,ridgeline to Mt. Emma & cyn S of ridge, W from Mt. Emma (NW-trending ridge, lower part of ridgeline turns SW), E of Mt. Emma Rd. Then dropped off ridge into cyn bottom back to origin; Pacifico Mtn 7.5' quad. 1235 Comment
  UCR258947  Phacelia fremontii R. G. Swinney 2010-5-11 12698 Los Angeles San Gabriel Mountains, east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd 872 Comment
  RSA630747  Phacelia fremontii Louis C. Wheeler 1973-4-7 s.n. Los Angeles Kentucky Springs Canyon. 1220 Comment
  LA105386  Phacelia grandiflora O. H. Kappler; Los Angeles Santa Susana Mountains, between Falls Creek and Devil Canyon: ca. 1 air mi. NE of junction of Simi Valley Frwy and Topanga Canyon Blvd 502 Comment
  LA81961  Phacelia grandiflora O. H. Kappler; 1941-5-19 262 Los Angeles Santa Monica Mountains, Las Flores Canyon, near summit 609 Comment
  UCR205132  Phacelia grandiflora R. G. Swinney 2008-4-28 8694 Los Angeles San Gabriel Mtns., San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  UCR281649  Phacelia grandiflora R. G. Swinney 2014-5-27 16691 Los Angeles San Gabriel Mountains, Glendora, Glendora Peak, 0.74 miles ENE (34 deg. ) of Azusa Pk., south of Glendora Ridge Motorway 791 Comment
  JEPS1985  Phacelia grandiflora I. J. Condit c. 1912 Los Angeles San Dimas Comment
  RSA545322  Phacelia grandiflora Tim S. Ross 1992-5-17 6331 Los Angeles San Gabriel Mountains. Center W side of the San Gabriel Reservoir. Short easterly spur canyon along Highway 39 463 Comment
  RSA230027  Phacelia imbricata subsp. imbricata Robert F. Thorne 1971-6-26 40610 Los Angeles San Gabriel Mountains, Angeles National Forest: N slope San Gabriel Peak 1433 Comment
  RSA0098611  Phacelia imbricata subsp. patula R. G. Swinney 2011-6-14 15118 Los Angeles San Gabriel Mountains: Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  UC1400323  Phacelia imbricata subsp. patula Robert F. Thorne, C. W. Tilforth, J. Dourly, and R. Scogin 1972-8-11 42225 Los Angeles n slope of mt. near Buckhorn Station; San Gabriel Mts., Angeles National Forest, Mt. Waterman 2133 Comment
  RSA428624  Phacelia lemmonii Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  RSA0003854  Phacelia minor Marcus E. Jones 1882-2-27 3031 Los Angeles Pasadena. Comment
  CAS-BOT-BC145069  Phacelia mohavensis Le Roy Abrams; E. A. McGregor 1908-7-5 641 Los Angeles Swartout Canyon, desert slopes of the San Gabriel Mountains 1676 Comment
  RSA0098838  Phacelia mohavensis R. G. Swinney 2011-6-7 15048 Los Angeles San Gabriel Mountains: Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy. 2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek 1573 Comment
  UCR136838  Phacelia ramosissima John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  POM3702  Phacelia ramosissima var. latifolia C. F. Baker 1903-8-2 3661 Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  RSA719768  Phacelia ramosissima var. latifolia R. G. Swinney 1996-8-7 5209 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half of Brown s Flat 1317 Comment
  UC284698  Phacelia ramosissima var. latifolia I. Johnston 1917-5-6 1945 Los Angeles mouth San Antonio Canyon (dry wash) Comment
  RSA0108898  Phacelia tanacetifolia Richard G. Swinney 2011-4-1 14306 Los Angeles San Gabriel Mountains/SW Mojave Desert: WSW of Littlerock, Cheseboro Canyon, 0.4 mi south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  RSA623469  Phalaris aquatica L. C. Wheeler 1975-9-22 s.n. Los Angeles San Gabriel Mountains: Susanna Canyon, 1/4 mile upstream from mouth (San Gabriel Reservoir). Comment
  UC820509  Phalaris minor L. W. Nuttall 1920-5-16 224 Los Angeles Santa Catalina Island Comment
  RSA0088888  Phalaris paradoxa Steven A. Junak, Mark Hoefs 1998-6-12 SCa- 733 Los Angeles Santa Catalina Island: Along Banning House Road, ca 1.0 mile from Two Harbors. 228 Comment
  UC52474  Phlox diffusa H. M. Hall Jun 3 1900-Jun 6 1900 1529 Los Angeles Swartout Canyon San Antonio Mountains 2072 Comment
  UCR275016  Phlox gracilis Michael Honer, Rachel Woodard 2006-4-18 2195 Los Angeles Tehachapi Mountains area, C. 2 miles east of Quail Lake, 1 mile north of Hwy 138 976 Comment
  SEINET10643569  Phoenix dactylifera Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2617 Los Angeles City of Pasadena. Von's Supermarket, 2355 E. Colorado Blvd. Comment
  CAS-BOT-BC230659  Pholisma arenarium Rich 1920-6-5 s.n. Los Angeles 0.5 mile E of Lancaster Comment
  UC1228870  Pholistoma auritum Peter H. Raven 1962-4-10 17249 Los Angeles ca. 1.5 mi. n. Thirst (gully w. side of isl.); San Clemente Isl. 457 Comment
  LA35912  Pholistoma auritum var. auritum Peter H. Raven; 1960-4-2 14856 Los Angeles Santa Monica Mountains, Old Topanga Canyon, 0.7 mi. NW of Topanga Canyon 243 Comment
  SBBG12280  Pholistoma racemosum P. H. Raven 1962-4-10 17216 Los Angeles summit ridge, ca. 2 mi N of Thirst 487 Comment
  SBBG128316  Pholistoma racemosum M. L. Hoefs 1991-4-7 1041 Los Angeles upper Avalon Cyn, above Wrigley Memorial and Garden, near rd to Divide 326 Comment
  SBBG32138  Pholistoma racemosum R. N. Philbrick with R. F. Thorne 1967-5-20 B 67 -306 Los Angeles Descanso Cyn 213 Comment
  SBBG78975  Pholistoma racemosum F. R. Fosberg 1931-3-23 4333 Los Angeles Hamilton Cyn 75 Comment
  RSA459316  Pholistoma racemosum M. B. Dunkle 1939-4-6 7309 Los Angeles Mosquito Ridge, San Clemente Island Comment
  CAS-BOT-BC134963  Phoradendron bolleanum Lewis S. Rose 1934-1-3 34002 Los Angeles Mint Canyon Comment
  UC1194601  Phoradendron densum Del Wiens 1960-6-12 2717 Los Angeles Hwy. 99 7 mi. s. Gorman (on Ridge Rte.) 914 Comment
  SD215692  Phoradendron leucarpum subsp. tomentosum Louis C. Wheeler 1972-12-20 12787 Los Angeles San Gabriel Mountains: Cow Canyon Saddle 1372 Comment
  UCD170492  Phoradendron leucarpum subsp. tomentosum R. G. Swinney 2008-6-4 8932 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, west tributary of W Fork Punchbowl Canyon, 0.4 mi. NE of park headquarters. 1329 Comment
  RSA420801  Phoradendron macrophyllum Louis C. Wheeler 1932-1-10 437 Los Angeles Puddingstone Dam. 305 Comment
  UCR115984  Phoradendron macrophyllum A. C. Sanders, D. Malueg, K. D. Jones 1999-11-19 23265 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 915 Comment
  POM354334  Phoradendron villosum Susan Hutchinson 1931-09 s.n. Los Angeles Humes Ranch, Mint Canyon. Comment
  RSA567523  Phoradendron villosum Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-27 3917 Los Angeles Liebre Mountain: N slope, between Horse Camp Canyon and Robinson Canyon. 1473 Comment
  RSA682941  Phyllospadix torreyi R. Setzer 1975-9-7 8580 -a Los Angeles Lunada, Palos Verdes Peninsuala. Comment
  RSA683974  Phyllospadix torreyi E. Yale Dawson 1956-11-30 15536 Los Angeles Rocky beach E of Flat Rock Point, Station no 7, 180-200 ft from shore base point Comment
  SD69796  Phyllospadix torreyi Robert F. Thorne 1966-4-4 35793 Los Angeles Santa Catalina Island; on rocks exposed at very low tide, Bird Rock Comment
  POM308926  Physalis philadelphica Kay H. Beach 1943-10-7 680 Los Angeles Weed in the Lysimeter area, Tanbark, San Dimas Experimental Forest, U. S. Forest. 762 Comment
  UCR217421  Picris echioides R. G. Swinney 2009-3-10 10065 Los Angeles San Gabriel Mtns. Foothills, Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  RSA0049409  Pinus canariensis Lyman Benson 1944-12-18 11577 Los Angeles Claremont. Comment
  RSA169009  Pinus ponderosa Mark Parratt 1964-4-8 623 Los Angeles Charlton Flats Recreation Area, Angeles Crest Highway 1646 Comment
  RSA384452  Pinus ponderosa L. E. Hoffman 1931-11-9 s.n. Los Angeles Swarthout Canyon. Comment
  UCR280397  Piperia Jeremiah George, Eric Kline 2017-4-17 417- 02 Los Angeles Channel Islands, Santa Catalina Island, Middle Ranch Road, SCE powerline right-of-way north of junction with Skull Ridge Road 305 Comment
  CATA260  Piperia cooperi Mark L. Hoefs, A. Douglas Propst 1973-5-4 266 Los Angeles Santa Catalina Island: By road above Fourth of July Cove 30 Comment
  CAS-BOT-BC251008  Piptatherum miliaceum Tim Ross 1992-5-8 6304 Los Angeles San Gabriel Mtns: Glendora Ridge Road; N side of the ridge at the head of un-named E fork of Oak Canyon 1014 Comment
  RSA0081628  Piptatherum miliaceum R. G. Swinney 2010-8-30 13638 Los Angeles East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream. 595 Comment
  RSA535327  Piptatherum miliaceum Timothy S. Ross 1991-5-20 5358 Los Angeles San Clemente Island, uppermost reaches of the Wilson Cove Canyon drainage; 3300 ft. NW of the 750 ft BM 142 Comment
  LA94185  Pityrogramma triangularis Lawrence L. Kiefer; 1966-3-12 1670 Los Angeles SANTA MONICA MOUNTAINS, Decker Rd., ca. 1 mi. E of the Ventura Co. line. 304 Comment
  RSA714514  Plagiobothrys canescens A. C. Sanders 2003-4-16 26028 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, under powerlines south of Magic Mountain Parkway, near I-5 and new golf course. 366 Comment
  UCR259242  Plagiobothrys canescens R. G. Swinney 2010-3-14 11904 Los Angeles San Gabriel Mountains, Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road 447 Comment
  SBBG98059  Plagiobothrys collinus var. gracilis T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5214 Los Angeles 1300 ft NNW of Guds (888') marker 240 Comment
  UCR144147  Plagiobothrys nothofulvus Scott D. White, Michael Honer 2003-5-7 9203 Los Angeles Liebre Mountains, Tapia Canyon, c. 2 air mi east of the Hwy 5 junction with 'Old Ridge Route 457 Comment
  RSA0117523  Plagiobothrys tenellus A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37965 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. 1141 Comment
  RSA0092869  Plantago coronopus Steven A. Junak, Mark Hoefs, Sara L. Crockett 1997-6-6 SCa- 447 Los Angeles Santa Catalina Island: Along old road above W end of White's Landing, overlooking Balboa Yacht Club, W of summit of trail. 43 Comment
  UC1125629  Plantago erecta A. D. Gifford 1935-3-3 440 Los Angeles 2.8 mi sw Red Mtn.; Angeles National Forest, Tejon Quad. 609 Comment
  RSA209617  Plantago erecta M. B. Dunkle 1939-4-6 7324 Los Angeles San Clemente Island. Mosquito Ridge. Comment
  RSA747156  Plantago lanceolata R. G. Swinney 2008-6-2 8919 Los Angeles 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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Mar 16 2011
  RSA638921  Plantago major Louis C. Wheeler 1946-8-27 6254 Los Angeles San Gabriel Mountains: Sandrock Creek at Pear Blossom Highway, near confluence of Sandrock Creek and Big Rock Creek; 1/4 mile southeast of Big Rock Patrol Station. 1113 Comment
  UCR210056  Plantago major A. C. Sanders 2009-11-6 37208 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA286662  Platanthera leucostachys Robert F. Thorne, Larry E. DeBuhr 1974-6-28 44757 Los Angeles San Gabriel Mountains, Angeles National Forest: Lily Springs area on N slope of Mt. Hawkins, drainage of S Fork Big Rock Creek 2439 Comment
  RSA616130  Platanthera sparsiflora Louis C. Wheeler 1966-8-21 8827 Los Angeles San Gabriel Mountains: Dorr Canyon, northwest side Mount Burnham. Comment
  RSA401721B  Platanus racemosa Donald R. Bissing 1973-6-3 20 Los Angeles Evey canyon, San Gabriel Mountains. Along floor of canyon near stream 0.5 miles from mouth of cayon. 780 Comment
  UCR104742  Platanus racemosa David Charlton 1989-4-30 2995 Los Angeles San Gabriel Mtns., George's Gap, Angeles Crest Highway, approximately 10 miles north of the southern boundary of the Angeles National Forest, c. 1 mi. (airline) NW of Switzer Camp. 1159 Comment
  POM390  Platystemon californicus Dian Haynes 1893-04 s.n. Los Angeles Altadena, near Pasadena Comment
  RSA588074  Platystemon californicus Orlando Mistretta 1994-4-15 1062 Los Angeles Santiago Canyon: W slopes of drainage near confluence with Little Rock Creek. 1159 Comment
  RSA100275  Plectritis ciliosa subsp. insignis F. W. Peirson 1925-4-23 5807 Los Angeles San Gabriel River 366 Comment
  RSA484231  Poa bulbosa Robert Gustafson 1978-5-2 889 Los Angeles Dirt road leading into Hungry Valley .1 mile from the junction with the 2-lane paved Peace Valley Rd., west of Gorman. 1249 Comment
  RSA587526  Poa secunda Orlando Mistretta 1994-4-29 1100 Los Angeles Santiago Canyon; Ridge on W edge of Santiago Canyon watershed N. of Forest Road 4N20. 1372 Comment
  UCR209619  Poa secunda R. G. Swinney 2008-7-3 9146 Los Angeles San Gabriel Mtns., Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2345 Comment
  UCR25115  Poa secunda John C. Roos, L. Roos 1951-5-27 5055 Los Angeles Mojave Desert, flats between Lancaster and Rosamond 701 Comment
  RSA0116198  Poa secunda Steven A. Junak 2000-4-15 SCa- 1205 Los Angeles Santa Catalina Island. On W side of road to Lone Tree, ca. 0.1 mi. from junction w/ Divide Road. 479 Comment
  RSA717068  Poa secunda subsp. secunda Andrea Edwards, Pam De Vries 2005-3-29 58 Los Angeles Lebec USGS quad; triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  SBBG56799  Poa secunda subsp. secunda R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk, Paradise Camp Comment
  UC1132762  Poa secunda subsp. secunda A. D. Gifford 1935-3-17 447 Los Angeles 2 1/2 mi sw Red Mt; Angeles Nat'l Forest, Tejon Quadrangle 518 Comment
  UCD91660  Poa secunda subsp. secunda Peter Kamb 1948-5-6 944 Los Angeles Lower Sonora Zone. Desert foothills of the San Gabriel Mountains, above Little Rock. 975 Comment
  RSA92316  Poa secunda var. secunda F. W. Peirson 1923-5-26 3525 Los Angeles Rock Creek, norht slope of San Gabriel Mountains 1646 Comment
  SD237567  Polygonum aviculare R. G. Swinney 2009-8-25 11473 Los Angeles Transverse Range: San Gabriel Mountains: Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn, Road and Big Pines Road (Mescal Creek 7.5'Q) 2061 Comment
  RSA652779  Polygonum capitatum Monica Acosta 1998-5-19 38 Los Angeles The Center for Regenerative Studies, South of California State Polytechnic University. (Cal Poly Pomona) 226 Comment
  UCR131389  Polygonum hydropiperoides Alison Lipman 1998-9-4 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  SD253315  Polypodium californicum R. G. Swinney 2011-3-26 14218 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Canyon (Glendora 7.5'Q) 476 Comment
  SFV14643  Polypodium californicum S. Jonsson 1989-4-19 s. n. Los Angeles Santa Susana Mountains In Bee Canyon of O'Melveny Park. Off of the creek trail, 1.75 miles past Ranger Station. 460 Comment
  RSA526604  Polypodium californicum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4188 Los Angeles San Clemente Island: Upper reaches of China Canyon, S end of island, W side. Comment
  RSA689908  Polypodium californicum Robin S. Collins 1973-4-30 s.n. Los Angeles angeles National Forest, San Gabriel Mts. R13W T3N Trail Canyon, Ca 1/3 mile into canyon from beginning of pack trail. 610 Comment
  UCSB62342  Polypodium californicum Kiefer, Lawrence 1967-4-15 Los Angeles San Gabriel Mtns., N of Monrovia, Monrovia Canyon, ca. 1/2mi above Emerson Flats 457 Comment
  UCSB62383  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canon, San Dimas Comment
  UCSB62462  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canon, San Dimas Comment
  RSA750230  Polypogon interruptus A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37068 Los Angeles Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery 63 Comment
  RSA601051  Polypogon monspeliensis Steve Boyd, Lauren Raz 1997-6-18 9977 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  UCR148054  Polypogon monspeliensis Steve Boyd, Amber Maurice 2004-5-18 11337 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
  RSA385484  Polypogon viridis Anstruther Davidson 1889-1 s.n. Los Angeles Los Angeles. Comment
  POM295168  Populus balsamifera subsp. trichocarpa Lyman D. Benson 1950-3-7 14301 Los Angeles Little Dalton Canyon above Glendora, San Gabriel Mountains, Pacific Slope Drainage Area. 366 Comment
  POM307850  Populus balsamifera subsp. trichocarpa Henry J. Ramsey, Henry J. Ramsey 1938-3-5 2724 Los Angeles Eaton Canyon Park, Altadena. Comment
  CAS-BOT-BC102550  Populus fremontii Joseph Ewan 1937-8-23 11056 Los Angeles Tujunga Creek near mouth of the canyon. San Gabriel Mts. Tujunga Canyon Comment
  RSA600780  Populus fremontii subsp. fremontii Louis C. Wheeler 1962-6-30 8157 Los Angeles San Gabriel Mountains. Pacoima Canyon at Bad Canyon. 976 Comment
  SEINET10858627  Portulaca oleracea Mary Merello, Heidi H. Schmidt 1999-12-3 Merello 2506 Los Angeles City of Pasadena. Good Food Market, 1864 E. Washington. Comment
  LA200779  Portulaca oleracea Jonathan Sauer; H. N. Sauer 1983-11-6 6272 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, Pacific Palisades. 60 Comment
  RSA0080724  Potamogeton nodosus R. G. Swinney 2010-9-7 13711 Los Angeles Crystal Lake, within 50 ft. of shore line around the entire perimeter. 1683 Comment
  CAS-BOT-BC154947  Prunus ilicifolia Vernon Bailey 1907-10-30 s.n. Los Angeles Saugus Comment
  RSA724441  Prunus ilicifolia K. Dobry 1991-6-13 d- 694 Los Angeles Santa Monica Mts. Las Virgenes and Mulholland Hwy at Soka Univ. Comment
  SD212714  Prunus ilicifolia Jennifer H. Jones 2006-6-4 370 Los Angeles Foothills of San Gabriel Mountains: Southwest of Claremont Wilderness Park near the West end of Pomello Drive. Dirt continuation of Pomello Drive across flood control channel. Base of Northeast facing slope, South of road. 476 Comment
  SEINET13710410  Prunus ilicifolia J. Adams, J. Adams (Botany) 1965-1 157 Los Angeles Claremont, Pomona College Wash 1100 Ft 335 Comment
  RSA695390  Prunus ilicifolia subsp. ilicifolia A. C. Sanders, Mark A. Elvin 2002-6-19 25187 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Long Cyn. 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. 335 Comment
  UCSB2894  Prunus ilicifolia subsp. ilicifolia Ralph, F. 1959-5-15 Los Angeles Mint Canyon at campground along U. S. Hwy, 6, 7.9 miles NE of jct. with Soledad Canyon Rd. 609 Comment
  RSA680077  Prunus ilicifolia subsp. lyonii Mark A. Elvin, Michael Wall, Jennifer Stone 1996-8-7 308 Los Angeles San Clemente Island. Conchulagua Canyon. In canyon floor. 305 Comment
  UCR86839  Prunus lyonii Scott D. White 1995-4-27 2945 Los Angeles Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon. Road, SW of Malibu Civic Center Way 92 Comment
  RSA573713  Prunus virginiana var. demissa Tim S. Ross 1990-8-17 3133 Los Angeles Upper Big Rock Creek, 120-200m N of Icy Springs 1726 Comment
  CATA1149  Pseudognaphalium biolettii Mark L. Hoefs 1995-5-23 2140 Los Angeles Santa Catalina Island: Upper Middle Canyon 225 Comment
  SBBG32036  Pseudognaphalium biolettii R. N. Philbrick with R. F. Thorne 1967-5-20 B 67 -301 Los Angeles E of saddle between Descanso and Hamilton Cyns, upper Descanso Cyn 243 Comment
  UCR176990  Pseudognaphalium biolettii Joseph M. Keefe 2001-1-19 31006 Los Angeles Transverse Ranges, Verdugo Mountains, Big Tujunga Wash, 400 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles, California 91040. 384 Comment
  UCR255510  Pseudognaphalium biolettii Dan S. Cooper 2014-5-23 514- 52 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, Vista del Valle Rd. northeast of Mt. Hollywood 328 Comment
  CAS-BOT-BC356545  Pseudognaphalium biolettii E. R. Blakley 1962-6-10 5226 Los Angeles California Channel Islands. Wilson Cove. San Clemente Island 30 Comment
  POM358743  Pseudognaphalium biolettii Robert Gustafson 1981-2-4 2100 Los Angeles Area 1, Ballona Wetlands. Comment
  POM358757  Pseudognaphalium biolettii Ora M. Clark 1928-12-23 1380 Los Angeles Hermosa Comment
  SFV18420  Pseudognaphalium californicum C. Ferguson 1974-6-7 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Ecology trail. Open places below 3000 ft. Comment
  UC1134172  Pseudotsuga macrocarpa A. D. Gifford 1935-3-15 476 Los Angeles 3 mi w of Warm Springs; Angeles National Forest, Tejon Quadrangle 1188 Comment
  UCR95291  Psilocarphus brevissimus var. brevissimus Steve Boyd, Lauren Raz 1996-10-8 8979 Los Angeles Liebre Mtns. Region, Plum Canyon southwest of Cruzan Mesa along Arline Road c. 2 miles west of junction with Sierra Highway in Mint Canyon 610 Comment
  RSA533934  Psilocarphus tenellus Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5219 Los Angeles San Clemente Island: south-east end of island in the vicinity of Knob, 5100 feet NW of Guds. 271 Comment
  LA94236  Pteridium aquilinum var. pubescens Lawrence L. Kiefer; 1966-3-26 1772 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, ca 1 mi from mouth. 60 Comment
  RSA756154  Pteridium aquilinum var. pubescens R. G. Swinney 2008-7-12 9179 Los Angeles San Dimas Experimental Forest, Volfe Canyon 0.4 mi. north of confluence with Big Dalton Canyon 622 Comment
  CATA3391  Pterostegia drymarioides Peter J. Dixon, Lydia Zacher Dixon, Juno Azuz Zacher, Castor Dixon 2017-3-25 081 Los Angeles Santa Catalina Island: Lower Middle Canyon at Torqua Cave 168 Comment
  OBI10852  Pterostegia drymarioides Robert J. Rodin 1953-5-2 5810 Los Angeles Cyn behind Whites Cove, Catalina Island Comment
  POM66659  Pterostegia drymarioides Marcus E. Jones 1924-5-16 s.n. Los Angeles Stoddard Canyon; so. face, San Gabriel Mts. Comment
  RSA674793  Pterostegia drymarioides Scott D. White 2000-5-16 7837 Los Angeles San Gabriel Mountains: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  RSA733678  Pterostegia drymarioides R. G. Swinney 1998-8-5 6656 Los Angeles San Gabriel Mtns.: upper Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch. 1280 Comment
  UCR124364  Pterostegia drymarioides I. W. Clokey, B. C. Templeton 1929-1 4523 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  UCR204862  Pterostegia drymarioides R. G. Swinney 2006-6-18 8539 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, northeast of Punchbowl Road, Sandrock Creek north of the nature center 1402 Comment
  RSA401593B  Pycnanthemum californicum Geo. L. Moxley 1915-9-6 449 Los Angeles Spanish canyon, NE from Monrovia. Comment
  UC586867  Pycnanthemum californicum Joseph Andorfer Ewan 1934-8-5 8459 Los Angeles Prairie Fork of San Gabriel River; San Gabriel Mts., Prairie Fork of San Gabriel River 1524 Comment
  CAS-BOT-BC45783  Quercus J. H. Thomas 1957-5-11 6746 Los Angeles About 2 miles NE of La Canada, near Angeles Crest Highway. Upper Sonoran Zone 609 Comment
  UC993207  Quercus J. M. Tucker 1948-9-26 1880 Los Angeles 9.6 mi e Gorman (beside Highway 138) Comment
  SEINET4853811  Quercus X grandidentata Joseph Andorfer Ewan 1934-12-27 8487 Los Angeles 2 mi above A. T. & S. F. tracks at mouth of Sawpit Canyon, (i.e. Monrovia C.); San Gabriel Mts. 229 Comment
  UCD46924  Quercus X macdonaldii Robert F. Thorne 1967-5-18 36863 Los Angeles Santa Catalina Island: Middle Bulrush Canyon. 243 Comment
  CHSC21923  Quercus agrifolia Robert A. Schlising 1970-11-19 2957 Los Angeles Santa Monica Mountains; Latigo Canyon Road, about 2 miles south of Mulholland Highway. Comment
  LA105103  Quercus berberidifolia Barry A. Prigge; 1988-7-9 8278 Los Angeles SANTA MONICA MOUNTAINS, Calabasas, Calabasas, 0.4 mi SE of N-jtn of Mulholland Hwy and Old Topanga Rd, S of Calabasas High School. 377 Comment
  RSA127927  Quercus berberidifolia Peter H. Raven, Henry J. Thompson 1959-2-25 13809 Los Angeles 1.2 miles east of summit, Saddle Peak. 610 Comment
  RSA138240  Quercus berberidifolia Peter H. Raven 1959-3-8 13838 Los Angeles Mulholland Dr., 5 miles west of Topanga Canyon 366 Comment
  RSA507981  Quercus berberidifolia Steve Boyd, T. S. Ross 1988-4-28 2236 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  RSA655464  Quercus berberidifolia LeRoy Gross 2000-11-12 326 Los Angeles Verdugo Mountains: Green Verdugo Fire Road, off Sunland Blvd. just west of 210 freeway. This road goes up to Green Verdugo Reservoir. 412 Comment
  SEINET3237751 Image available Quercus berberidifolia T. B. Salvato, Sandra Murcia 2007-10-18 3092 Los Angeles Santa Monica Mountains; near Stunt's Ranch, north of Cold Creek and east of Mulholland Hwy. 305 Comment
  CAS-BOT-BC258375  Quercus chrysolepis P. S. Manos 1988-10-26 667 Los Angeles Angeles National Forest; San Gabriel Mts. Along Rte. 2 1900 Comment
  POM2098  Quercus chrysolepis D. L. Crawford 1916-3-1 s.n. Los Angeles mts. above Claremont 1220 Comment
  RSA598649  Quercus chrysolepis M. R. Benedict 1971-6-26 s.n. Los Angeles San Clement Island. Peak 1942, directly south of White Rock, and near triangulation point ' Alta' Comment
  UC1135391  Quercus chrysolepis G. E. Sindel 1935-1-7 116 Los Angeles 4 mi se Quail Lake; Angeles National Forest, Tejon Quad. 975 Comment
  UCD45587  Quercus chrysolepis D. H. Wilken 1996-6-2 15218 Los Angeles San Clemente Island. E side of Horse Cyn, 2.5 km sse of Boulder, 4.5 km ne of Lost Pt, 470m elev. 470 Comment
  CAS-BOT-BC86901  Quercus douglasii E. R. Blakley 1962-10-6 5468 Los Angeles Santa Catalina Island. Pebble Beach Canyon 91 Comment
  CAS-BOT-BC86378  Quercus dumosa D. E. Breedlove 1961-9-23 1267 Los Angeles Fourth of July Cove; Santa Catalina Island 30 Comment
  SEINET4077705  Quercus dumosa R. Moran 1941-1 708 Los Angeles Middle Ranch, Santa Catalina Island. 200 Comment
  UCSB28146  Quercus durata Lloyd, Robert 1959-10-2 Los Angeles 11 miles north of Glendora on Glendora Mtn. Rd., San Gabriel Mts. 944 Comment
  UCSB68632  Quercus durata Gross, LeRoy 2000-10-28 Los Angeles Verdugo Mountains: Beaudry fire road north of Radio Towers, west of head of Deer Creek 792 Comment
  RSA598916  Quercus durata var. gabrielensis R. G. Swinney 1989-11-24 1488 Los Angeles San Gabriel Mountains, Glendora Wilderness Park, Paul Keiser Nature Trail. 473 Comment
  RSA762246  Quercus durata var. gabrielensis Orlando Mistretta, Christine Mistretta 2008-5-19 3120 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 103 per TRTP Survey 2008), Upper Fish Canyon, E of Monrovia Pk. 976 Comment
  JEPS46157  Quercus engelmannii C. Epling 1932-11-9 Los Angeles near Arcadia; Baldwin Park Comment
  UCR51252  Quercus engelmannii Lyman Benson 1947-5-2 12352 Los Angeles South slope of San Gabriel Mtns., Indian Hill Boulevard, Claremont 427 Comment
  SBBG44667  Quercus garryana var. breweri W. B. Holt 1941-10-19 4 -1941 Los Angeles not far from Artesian Spring Camp, rd E of reservoir, Bouquet Cyn to Loma Pelona Lookout Comment
  RSA250591  Quercus john-tuckeri Robert F. Thorne 1967-3-23 41580 Los Angeles San Gabriel Mountains, Angeles National Forest: Grandview Canyon; Mojave Desert slopes north of Mile High Ranch. 1372 Comment
  RSA601747  Quercus john-tuckeri Louis C. Wheeler 1966-10-23 9051 Los Angeles San Gabriel Mountains. Grandad's Ranch, Aliso Canyon. Comment
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Nov 23 2015
  UCR140963  Quercus john-tuckeri June Latting 1973-6-10 s.n. Los Angeles San Gabriel Mountains, South Fork, Big Rock Creek 1402 Comment
  RSA571669  Quercus kelloggii C. Epling 1931-5-16 s.n. Los Angeles San Gabriel Mountains. Big Pines Camp. Comment
  POM186315  Quercus lobata Louis C. Wheeler 1933-8-5 2050 Los Angeles Encino, S side San Fernando Valley. 229 Comment
  POM296405  Quercus pacifica Lyman Benson 1953-5-2 15105 -b Los Angeles Santa Catalina Island. Hills, north face of Swain Canyon, Whites Landing 244 Comment
  RSA623519  Quercus pacifica J. M. Tucker 1992-3-29 s.n. Los Angeles Santa Catalina Island, along main road just east of Haypress Reservoir, roughly 1 3/4 miles northwest of Avalon 396 Comment
  UC1188240  Quercus pacifica P. C. Everett 1960-9-27 24292 Los Angeles Ridge Road to airport Santa Catalina Island 365 Comment
  UC723783  Quercus pacifica Joseph Andorfer Ewan 1932-10-22 10807 Los Angeles above Avalon; Santa Catalina Island Comment
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Jan 4 2012
  UCD170538  Quercus palmeri D. O. Burge 2017-5-5 2269 Los Angeles Bard Lake area. 375 Comment
  LA205371  Quercus wislizeni Carl Epling; 1931-4-1 sn Los Angeles Tehachapi Mountains, Keene Station Comment
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Aug 4 2014
  RSA571271  Quercus wislizeni var. frutescens Steve Boyd 1994-4-29 8312 Los Angeles Side draw on northeastern side of Mt. Emma, Santiago Canyon drainage. 1158 Comment
  IRVC29548  Rafinesquia californica A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-29 26154 Los Angeles Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east Lake Hughes Rd. Western San Gabriel Mtns. 488 Comment
  UCR260411  Rafinesquia californica R. G. Swinney 2010-4-30 12452 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Canyon Debris Basin in the southernmost of the two east forks of Wilson Canyon 537 Comment
  POM308886  Ranunculus californicus Kay H. Beach 1943-4-29 649 Los Angeles Johnstone [Peak], below peak, near edge of San Dimas Experimental Forest. U.S. Forestry Department, Angeles Forest, San Gabriel Mountains. Comment
  SBBG131725  Ranunculus hebecarpus S. A. Junak 1999-5-8 SCa 923 Los Angeles Escondido Cyn, ca. 0.35 mi above reservoir 152 Comment
  CAS-BOT-BC74281  Raphanus sativus John I. Carlson 1915-6-13 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  SD252302  Raphanus sativus Steven A. Junak 2000-5-18 Sca 1301 Los Angeles Santa Catalina Island: N side of N Shore Road, 0.6 mile E of turn-off for Howland's Landing. 39 Comment
  CDA7610  Ratibida columnifera R. E. Riefner Jr. 2007-7-5 07 -300 Los Angeles Santa Monica Mountains National Recreation Area, La Jolla Canyon, Pacific Coast Highway. Comment
  LA207796  Rhamnus crocea A. M. Johnson; 1932-4-23 4040 Los Angeles Claremont Comment
  JEPS41982  Rhamnus ilicifolia Frank W. Peirson 1918-6-1 109 Los Angeles Eaton Canyon San Gabriel Mts. 609 Comment
  RSA167626  Rhamnus ilicifolia Peter H. Raven, Robert F. Thorne 1964-5-7 18999 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  RSA635046  Rhamnus ilicifolia Valerie L. Soza, Kent Hughes 1999-6-17 557 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail, above San Olene Canyon. 747 Comment
  RSA653466  Rhamnus ilicifolia Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 753 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 Mtwy. 457 Comment
  SD37646  Rhamnus ilicifolia Detmer 1931-5-17 Los Angeles Mint Canyon Comment
  SD80071  Rhamnus ilicifolia Nancy Ryan Zabriskie, Walter Zabriskie 1970-4-12 282 Los Angeles East bank of Arroyo Seco, down stream from La Loma Street bridge, extreme southwest area of Pasadena. 213 Comment
  SBBG95428  Rhamnus pirifolia M. B. Dunkle 1928-3-3 1735 Los Angeles Hay Press [Haypress] Comment
  RSA653535  Rhus integrifolia Ian Thompson 1997-2-14 14 Los Angeles Cal Poly Pomona Ecological Reserve, ridge east of C-line. Comment
  UCD116875  Rhus integrifolia Geoffrey Levin 1974-3-29 2 Los Angeles Wash (Blanchard Park), Pomona College, Claremont. Alluvial fan of Mt. San Antonio (San Gabriel Mts.). 335 Comment
  UCR152540  Rhus integrifolia A. C. Sanders, Lee Jones 2005-4-8 29356 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  UCSB8656  Rhus integrifolia Olsen, Meryl 1954-4-15 Los Angeles In Claremont; San Gabriel Mts. range 365 Comment
  POM182355  Rhus ovata Joseph A. Ewan 1931-10-24 5292 Los Angeles Talus slope in full sun East Fork Dume Canyon. 549 Comment
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May 8 2014
  RSA76949  Rhus ovata F. W. Peirson 1920-5-1 106 Los Angeles South slope of the San Gabriel Mountains, Eaton Canyon. 609 Comment
  UC1130531  Rhus ovata P. L. Johannsen 1933-12-14 202 Los Angeles 1 mi e and 1 mi s Calabasas 396 Comment
  UCSB3760  Rhus ovata Olsen, Meryl 1954-4-15 Los Angeles In Claremont; San Gabriel Mts. 365 Comment
  CDA35352  Rhus ovata T. C. Fuller 1965-4-26 13373 Los Angeles East slope of Saddle Peak, Tuna Canyon Road above Fernwood Pacific Drive, 2.7 miles west of Topanga. 0 Comment
  UC1595388  Rhus trilobata Tim Ross 1991-3-10 4211 Los Angeles e side of Rancho Santa Ana (Bernard Field Station); Claremont 391 Comment
  CAS-BOT-BC92272  Ribes amarum Tim Ross; Steve Boyd 1991-4-25 4614 Los Angeles San Gabriel Mountains. Lower Graveyard Canyon. 530 Comment
  CAS-BOT-BC92289  Ribes amarum Louis C. Wheeler 1936-3-8 4082 Los Angeles San Gabriel Mountains. Arroyo Seco. 457 Comment
  UCSB24081  Ribes aureum Wheeler, Louis 1932-5-26 Los Angeles San Gabriel Wash 106 Comment
  UCR194621  Ribes aureum var. gracillimum R. G. Swinney 1999-4-8 7076 Los Angeles San Gabriel Mtns., Claremont, Palmer Canyon c. 100 m east of Cobal Canyon 512 Comment
  UCR231784  Ribes aureum var. gracillimum Darren T. Hasegawa 2007-4-8 s.n. Los Angeles San Gabriel Mtns. Area, Pasadena, adjacent to Rose Bowl 256 Comment
  RSA748888  Ribes cereum R. G. Swinney 2001-8-11 8037 Los Angeles Lamel Springs on north slope of Mt. Baden-Powell, 1.5 miles south of Vincent Gap. 2375 Comment
  LA205440  Ribes indecorum Louis C. Wheeler; 1932-1-31 440 Los Angeles San Gabriel Mountains, foothills; 1 mi. E. Palmer Canyon 609 Comment
  POM296506  Ribes indecorum Lyman Benson 1945-3-12 11606 Los Angeles Claremont. 351 Comment
  CAS-BOT-BC173419  Ribes malvaceum Ernest Braunton 1902-5-27 361 Los Angeles Cahuenga Mts. Comment
  HSC90100  Ribes malvaceum Amy Austin, Tony LaBanca, Noreen McClintock 1990-3-12 10 Los Angeles Angeles National Forest, Glendora Mtn. Rd. Comment
  RSA0088263  Ribes malvaceum R. G. Swinney 2010-3-14 11894 Los Angeles Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road. 447 Comment
  SFV1630  Ribes malvaceum P. G. Kilburn 1958-2-7 594 Los Angeles Santa Susana Mountains Oat Mountain. At very top of mountain. 1140 Comment
  SFV6228  Ribes malvaceum R. M. Muran 1974-2-2 4 Los Angeles Santa Monica Mountains About 2 miles south of Mulholland Drive in Mandeville Canyon. 427 Comment
  UC557713  Ribes malvaceum Nell Murbarger April 1936 150 Los Angeles canyon mouth on e side San Clemente Island Comment
  UCR11992  Ribes malvaceum H. J. Thompson 1959-2-20 1848 Los Angeles Western Transverse Range; Santa Monica Mtns., 2 mi east of Peak along Saddle Peak Road, Saddle Peak 701 Comment
  UC921823  Ribes malvaceum var. viridifolium Ira W. Clokey, B. Templeton May 1929 4493 Los Angeles Mandeville Canyon Santa Monica Mountains 500 Comment
  RSA495616  Ribes nevadense S. Zona 1989-6-28 318 Los Angeles Mountain High Ski resort; W of Wrightwood, just N of Mt. High East. N slopes of San Gabriel Mts. 2017 Comment
  UCR99471  Ribes quercetorum Steve Boyd, T. S. Ross 1997-3-21 9211 Los Angeles Liebre Mountains, Portal Ridge, about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring 1183 Comment
  UC1929634  Ribes roezlii V. Soza, LeRoy Gross, Bill Hogshead 2002-5-9 1460 Los Angeles Transverse Ranges; San Gabriel Mountains region; Along Sunset Ridge Fire Road, approximately 900 m southwest of Sunset Peak. UTM 11S: 37 85 387 N x 04 36 184 E. 1646 Comment
  CAS-BOT-BC186162  Ribes roezlii var. roezlii A. D. E. Elmer 1902-6-1 4249 Los Angeles Acton, Mt. Gleason Comment
  LA26151  Ribes speciosum Judith Webb; 1955-4-2 sn Los Angeles Santa Monica Mountains, fireroad below Mount Saint Mary's College 243 Comment
  RSA476284  Ribes speciosum Ora M. Clark 1929-1-27 1487 Los Angeles North Hollywood Comment
  CAS-BOT-BC173945  Ribes viburnifolium Robert F. Thorne; P. C. Everett 1964-2-6 33292 Los Angeles Above Fourth of July Cove. Santa Catalina Island 30 Comment
  CATA27  Ribes viburnifolium Mark L. Hoefs, A. Douglas Propst 1973-3-3 11 Los Angeles Santa Catalina Island: East side of Mt. Black Jack 304 Comment
  CSUSB1350  Robinia pseudoacacia Art Whistler 1965-3-27 Los Angeles Along Mullholland Highway about 1 mile north of its intersection with stunt road, in Calabasas. 365 Comment
  UCR73404  Robinia pseudoacacia T. S. Ross 1991-4-21 4511 Los Angeles Whittier Hills (Puente Hills, pro parte), Middle Turnbull Canyon drainage just SW of old water tank. 213 Comment
  RSA584471  Rosa californica R. G. Swinney 1993-6-4 2255 Los Angeles San Gabriel Mountains. 0.8 mile E of Glendora Mountain Road at Big Dalton Canyon Road. 378 Comment
  UCR91247  Rosa woodsii R. G. Swinney 1993-6-4 2255 Los Angeles San Gabriel Mtns., 0.8 mi. east of Glendora Mt. Road at Big Dalton Canyon Road 378 Comment
  RSA485357  Rosmarinus officinalis Steve Boyd, T. S. Elias 1987-4-14 2031 Los Angeles San Gabriel Mountains, Rincon - Red Box Road, S of Rincon Forest Station, N. of Glendora Comment
  RSA601049  Rubus discolor Steve D. Boyd, Lauren Raz 1997-6-18 9979 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  UC1594362  Rubus discolor Tim Ross 1992-5-17 6344 Los Angeles 260 m w mouth Cattle Canyon (near elbow of the E Fork of the San Gabriel River); San Gabriel Mountains, East Fork San Gabriel River 576 Comment
  RSA0035068  Rubus vitifolius Lee Haines 1935-7-4 s.n. Los Angeles Little Dalton Canyon, San Gabriel Mts. Comment
  RSA466349  Rumex H. L. Bauer 1929-4-15 s.n. Los Angeles Long Beach. Comment
  RSA749242  Rumex conglomeratus R. G. Swinney 2005-8-11 8467 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  RSA0107832  Rumex conglomeratus Steven A. Junak 2000-6-29 SCa- 1351 Los Angeles Santa Catalina Island. NE end of Haypress Reservoir. 399 Comment
  RSA527585  Rumex crispus Steve Boyd, Tim S. Ross, L. Arnseth 1990-4-8 4362 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  SBBG13494  Rumex salicifolius E. R. Blakley 1962-10-5 5455 Los Angeles Cottonwood Cyn, 0.25 mi upstream from ocean 30 Comment
  UCR223329  Rumex salicifolius R. G. Swinney 2009-5-20 10833 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  RSA91332  Rupertia physodes F. W. Peirson 1919-5-18 93 Los Angeles Monrovia Canyon, S base of San Gabriel Mountains 457 Comment
  JEPS28827  Rupertia rigida Wesley O. Griesel 1961-4-11 Los Angeles San Gabriel Mountains, Millard Canyon Millard Canyon; San Gabriel Mountains, Millard Canyon 609 Comment
  RSA656236  Sagina decumbens subsp. occidentalis Joseph M. Keefe 1978-4-28 22826 Los Angeles Verdugo Mountains; Henderson Canyon Creek, 0.5 Km west of Lockerbie Road on Whitting Woods Road, La Crescenta. 427 Comment
  RSA477740  Sagina saginoides F. R. Fosberg, J. Ewan 1931-8-12 s.n. Los Angeles San Gabriel Mountains: Little Jimmy Spring, Windy Camp, N. slope Mt. Islip. 2300 Comment
  CAS-BOT-BC103155  Salix bonplandiana Peter H. Raven; Henry J. Thompson 1959-10-18 14668 Los Angeles mouth of Medea Creek, north arm of Malibu Lake 220 Comment
  CAS-BOT-BC103746  Salix exigua G. L. Moxley 1922-6-12 1107 Los Angeles San Francisquito, West of PH#1 Comment
  UC150052  Salix exigua LeRoy Abrams 1903-4-13 3255 Los Angeles old bed of Los Angeles R. Florence Comment
  UC506478  Salix exigua var. hindsiana Carl Hedin and Joseph Ewan 1932-4-22 7630 Los Angeles 4 hectometers e of Radford Dr. Los Angeles River; San Fernando Valley, Los Angeles River Comment
  RSA336396  Salix gooddingii Robert F. Thorne, Dick Tilforth 1978-6-21 52335 Los Angeles San Gabriel Mountains: Reservoir behing Little Rock Dam. Comment
  UCR95775  Salix gooddingii Steve Boyd, Mark Elvin, V. Jotikasthira 1996-6-25 8881 Los Angeles Liebre Mtns, SE end of Peace Valley in San Andreas Rift Zone, fault sag south of Hwy 138 and north of the California Aqueduct, c. 0.75 air mi west of Quail Lake 1006 Comment
  POM362603  Salix laevigata Bonnie C. Templeton 1930-4-8 1043 Los Angeles San Francisquito Canyon, San Gabriel Mts. 900 Comment
  SBBG59099  Salix laevigata Mrs. H. P. Bracelin, F. R. Fosberg 1931-10-11 568 Los Angeles lower Topanga Cyn 15 Comment
  UC506422  Salix lasiandra subsp. lasiandra Carl Hedin and Joseph Ewan 1932-6-28 7674 Los Angeles Los Angeles R. at Los Feliz Bridge; Los Angeles R. Comment
  UCR258953  Salix lasiolepis R. G. Swinney 2010-2-27 11755 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland, SE end of Hansen Dam Basin, Haines Canyon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain 348 Comment
  UCR223066  Salsola tragus R. G. Swinney 2009-5-6 10683 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon at confluence with Little Rock Creek 909 Comment
  UCR259758  Saltugilia australis R. G. Swinney 2010-5-11 12634 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
  POM18258  Saltugilia splendens subsp. splendens P. A. Munz 1923-5-26 6803 Los Angeles Big Rock Creek. 1280 Comment
  RSA590664  Saltugilia splendens subsp. splendens T. S. Ross, S. D. Boyd 1990-5-31 2750 Los Angeles Ridge descending northward from Mt Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon 1220 Comment
  CATA270  Salvia apiana Mark L. Hoefs 1973-5-15 278 Los Angeles Santa Catalina Island: By horse trail, Avalon Canyon, east exposure 83 Comment
  RSA411294  Salvia apiana M. Vincent 1962-4-7 222 Los Angeles Soledad Canyon at Rivers End. Comment
  SFV21059  Salvia apiana L. Gross, V. Soza 2001-5-31 390 Los Angeles Verdugo Mountains Southeast side of mountains. Ridge north of Dead Horse Canyon. 457 Comment
  UC25659  Salvia apiana J. H. Barber 1897-3-28 117 Los Angeles Santa Monica Canyon Comment
  UCD125459  Salvia apiana G. H. Vansell 1933-6-30 s.n. Los Angeles Palmdale, Antelope Valley. Comment
  RSA0085072  Salvia apiana Shlomo Gat 1959-5-22 52 Los Angeles San Dimas Canyon. Comment
  RSA442824  Salvia apiana William Emboden 1969-5-28 8 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA442833  Salvia apiana William Emboden 1969-5-28 19 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA442840  Salvia apiana William Emboden 1969-5-28 26 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA628618  Salvia apiana Louis C. Wheeler 7055 Los Angeles San Gabriel Mountains: East of Eaton Wash, ca 1/4 mile north of Pasadena police pistol range. (spring of 1954). Comment
  RSA411365  Salvia carduacea Anstruther Davidson 1890-5-1 s.n. Los Angeles Near Burbank Comment
  UCR223168  Salvia columbariae R. G. Swinney 2009-5-20 10810 Los Angeles Transverse Range; San Gabriel Mtns., Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  UCR280522  Salvia columbariae R. G. Swinney 2014-4-10 16011 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  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-BC224946  Salvia dorrii var. pilosa Louis C. Wheeler 1932-4-9 573 Los Angeles 4 mi. W Fairmont, Mohave [Mojave] Desert 914 Comment
  CHSC788  Salvia leucophylla E. Thomas 1940-5-5 Los Angeles Ridge Route. Comment
  RSA0115310  Salvia leucophylla R. G. Swinney 2010-5-25 12906 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  HSC12511  Salvia mellifera Wendell Wood 1970-6-17 8 Los Angeles Linda Vista Rd. and Chevy Chase, Glendale 366 Comment
  POM312790  Salvia mellifera D. W. Taylor 1951-4-11 34 Los Angeles Big Dalton canyon, N of Glendora, San Gabriel Mt. 366 Comment
  RSA434107  Salvia mellifera F. R. Fosberg 1931-3-18 S 4291 Los Angeles Hamilton Canyon, Santa Catalina Island. 10 Comment
  RSA434118  Salvia mellifera Anstruther Davidson 1890-06 s.n. Los Angeles Los Angeles. Comment
  RSA717422  Salvia mellifera Gary Kovnat, LeRoy Gross 2003-2-2 10 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. 683 Comment
  RSA434065  Salvia spathacea E. Crow 1929-5-5 353 Los Angeles Santa Monica Mountains: Pacific Palisades. Comment
  RSA434076  Salvia spathacea A. M. Johnson 1934-5-4 4472 Los Angeles Santa Monica Mtns: Sepulveda Canyon, beyond tunnel; bottom of ravine. Comment
  RSA0083084  Sambucus nigra subsp. caerulea R. G. Swinney 2010-3-22 12031 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  RSA0106504  Sambucus nigra subsp. caerulea R. G. Swinney 2011-7-29 15558 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  RSA460823  Samolus parviflorus Anstruther Davidson 1889-07 s.n. Los Angeles Glendale. Comment
  POM243792  Sanicula arguta F. R. Fosberg 1931-3-23 S- 4334 Los Angeles Hamilton Canyon, Santa Catalina Island. 40 Comment
  RSA674663  Sanicula arguta Scott D. White 2000-5-18 7889 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
  SD28055  Sanicula arguta Carl B. Wolf 1932-5-11 Los Angeles Santa Catalina Island, west side of fourth of July Cove 29 Comment
  SEINET3157014  Sanicula arguta G. B. Grant sn Los Angeles Pasadena Comment
  UC1400358  Sanicula arguta Robert F. Thorne 1973-4-11 42808 Los Angeles San Clemente Island, upper part of Middle Ranch Canyon Middle Ranch Canyon; San Clemente Island, Middle Ranch Canyon 381 Comment
  RSA485829  Sanicula arguta T. S. Elias, Orlando Mistretta 1988-2-10 10671 Los Angeles San Clemente Island: just south of field station on East side of island. Comment
  RSA471431  Sanicula bipinnata L. C. Wheeler 1932-5-8 694 Los Angeles Puddingstone Dam; San Jose Hills 304 Comment
  RSA471461  Sanicula crassicaulis L. C. Wheeler 1936-7-2 4207 Los Angeles San Gabriel Mountains, Bell Canyon. 854 Comment
  CHSC31337  Sarcodes sanguinea K. Bridwell 1978-6-18 155 Los Angeles Along Highway 2, ca 35 mi NE of Glendale, Angeles National Forest. 1676 Comment
  UCR209231  Sarcodes sanguinea R. G. Swinney 2008-6-17 9055 Los Angeles San Gabriel Mountains, ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26 2160 Comment
  LA201027  Sarcostemma cynanchoides subsp. hartwegii Carl Wishner; 1996-8-21 2404 1 Los Angeles Santa Monica Mountains, Cahuenga Pass, ridge E of Mulholland terminus and W of Hollywood Reservoir 213 Comment
  NY43188  Satureja douglasii J. B. Walker 1995-6-6 1437 Los Angeles Santa Catalina Island, Middle Canyon, at pump station 400 Comment
  RSA83967  Saxifraga californica F. W. Peirson s.n. Los Angeles Weed AT 1085 New York Drive, Altadena. Comment
  UCR205525  Schinus molle A. C. Sanders, T. B. Salvato 2009-5-19 36816 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
  RSA188695  Schismus arabicus R. F. Thorne 1966-6-2 36525 Los Angeles Santa Catalina Island: Ridge top between Moonstone and White Coves 30 Comment
  SBBG128454  Schismus arabicus M. L. Hoefs, D. R. Hoefs, H. Greene 1992-4-15 1765 Los Angeles open slope above Parson's Landing 213 Comment
  UCSB33248  Schismus arabicus Partsch, M. 1977-5-14 Los Angeles Palmdale Blvd., 140th Street east 1066 Comment
  RSA711438  Schismus barbatus LeRoy Gross 2005-5-19 2298 -b Los Angeles South of Ave A (Kern County boundary) east of the #14 freeway. South of the city of Rosamond. between 20th Street West and Sierra Highway., Started at Ave A, Near 34.820450N, 118.16535W then walked south to 34.81703N, 118.16403W. 715 Comment
  POM1414  Scirpus microcarpus Fred Cox 1916-4-23 s.n. Los Angeles San Antonio Canyon. Comment
  SEINET3914760  Scirpus microcarpus Tim Ross, Orlando Mistretta; Carolyn Neal 1994-7-1 8083 Los Angeles San Gabriel Mountains: Sheep Camp Spring, 3341/4 and 520 m NNW of Pacifico Mtn summit, at the headwaters of Santiago Canyon.; 0 1920 Comment
  JEPS26438  Scrophularia californica Peter H. Raven 1960-5-21 15412 Los Angeles UCLA; Santa Monica Mts 121 Comment
  RSA249722  Scrophularia villosa Robert F. Thorne, Prospt 1973-2-12 42484 Los Angeles Santa Catalina Island. Ironwood Gully on slopes of hill E of Isthmus above Banning House. 183 Comment
  SBBG31455  Scrophularia villosa R. F. Thorne 1966-4-5 35797 Los Angeles SW of and near Empire Landing 152 Comment
  SD237512  Scutellaria siphocampyloides R. G. Swinney 1999-6-18 7334 Los Angeles San Gabriel Mtns.: Boulder Canyon north of Big John Flat. 1573 Comment
  LA52366  Scutellaria tuberosa Ernest Braunton; 1902-4-13 198 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  UC25843  Scutellaria tuberosa Harley P. Chandler 1897-4-7 Los Angeles Claremont 609 Comment
  SBBG70359  Sedum spathulifolium Anstruther Davidson -Jul-1893 Los Angeles Switzers Peak Comment
  SD51927  Selaginella bigelovii Peter H. Raven 1962-5-8 17635 Los Angeles San Clemente Island, western slope of island opposite Wilson Cove 60 Comment
  UCSB6466  Senecio californicus Haller, John 1957-4-13 Los Angeles In upper Mint Canyon, ca. 5 road miles E. of road to Acton and 10 road miles E. of Angeles forest Highway junc. 914 Comment
  RSA670435  Senecio douglasii I. W. Clokey 1929-07 4592 Los Angeles Mandeville Canyon, Santa Monica Mountains. 200 Comment
  CAS-BOT-BC333083  Senecio flaccidus var. douglasii Alice Eastwood 1919-6-21 9054 Los Angeles San Fernando Comment
  CAS-BOT-BC333118  Senecio flaccidus var. douglasii Peter H. Raven; R. Snow 1957-7-25 11062 Los Angeles 1.6 miles norht of junction of Pdua Ave. with Mt. Baldy Road, San Gabriel Mountains Comment
  RSA0105978  Senecio flaccidus var. douglasii R. G. Swinney 2011-11-1 15978 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, 70-200 meters west (upstream) from confluence with North Fork, south side of FS Rd 2N25/W. Fork Scenic Bikeway. 476 Comment
  RSA653516  Senecio flaccidus var. douglasii LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 279 Los Angeles Verdugo Mountains: Saddle where Stough Canyon Mountainway and Verdugo Mountainway meet 610 Comment
  SFV20874  Senecio flaccidus var. douglasii L. Gross, V. Soza, N. Gilbert 2000-10-18 279 Los Angeles Verdugo Mountains Saddle where Stough Canyon Mountainway and Verdugo Mountainway meet. Roadside near above coordinates. 610 Comment
  UCR212804  Senecio flaccidus var. douglasii Ellen Mackey, Blake Whittington 2006-10-26 NFWF- 1848 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River near Rincon Ranger Station [off Hwy 39] 451 Comment
  UCR271177  Senecio flaccidus var. douglasii R. G. Swinney 2011-11-1 15978 Los Angeles San Gabriel Mountains, West Fork San Gabriel River, 70-200 meters west (upstream) from confluence with North Fork, south side of FS Rd 2N25/W. Fork Scenic Bikeway 476 Comment
  RSA535696  Senecio lyonii Timothy S. Ross 1991-5-22 5449 Los Angeles San Clemente Island: Spray (Point), W side of island about 5300 feet N of Eel Point. 9 Comment
  UC91406  Senecio lyonii T. S. Brandegee 1890-5-20 Los Angeles Santa Catalina Island Comment
  RSA675874  Senecio vulgaris LeRoy Gross 2003-3-9 784 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
  CDA36376  Sherardia arvensis A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36980 Los Angeles San Gabriel Valley; Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines. Comment
  SD43595  Silene californica Darley F. Howe 1948-5-4 Los Angeles Bouquet Canyon. 609 Comment
  CAS-BOT-BC174905  Silene laciniata F. Grinnell Jr. 1917-8-12 s.n. Los Angeles Big Santa Anita [Canon] Canyon, San Gabriel Mountains 1127 Comment
  RSA477933  Silene laciniata subsp. major C. Epling 1931-4-18 s.n. Los Angeles Los Alisos Canyon. Comment
  RSA477940  Silene laciniata subsp. major George B. Grant 1904-05 s.n. Los Angeles Pasadena. Comment
  RSA547447  Silene laciniata subsp. major Timothy S. Ross 1992-5-17 6378 Los Angeles San Gabriel Mountains: lower Shoemaker Canyon, draining to E fork of San Gabriel River, joining it at 2125 ft. elevation 723 Comment
  RSA477924  Silene laciniata subsp. major J. E. Stumbo 1962-7-5 s.n. Los Angeles Crowing in chaparral, c. 2500, at the Lux Arboretum Annex, Monrivia. 762 Comment
  RSA17129  Sinapis alba C. B. Wolf 1936-5-10 7783 Los Angeles E of Whittier, near Michigan Ave, N side of Whittier Blvd 107 Comment
  UCR261773  Sisymbrium altissimum R. G. Swinney 2010-5-11 12685 Los Angeles San Gabriel Mountains, east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd 872 Comment
  RSA165706  Sisymbrium altissimum Wesley O. Griesel, B. Miller 1963-7-2 s.n. Los Angeles Sawmill Campground, Sawmill Mt. Angeles National Forest. 1616 Comment
  RSA639616  Sisymbrium altissimum L. C. Wheeler 1967-5-23 [ 9702 ] Los Angeles Near mouth of Bear Canyon, off Soledad Canyon. 579 Comment
  UCD115500  Sisymbrium altissimum Geoffrey Levin 1974-5-5 72 Los Angeles Blanchard Park, Pomona College in Claremont. Alluvial fan of Mt. San Antonio (San Gabriel Mountains.) 335 Comment
  OBI35618  Sisymbrium irio Rebecca Cicoria 1981-5-17 33 Los Angeles Off Narcissa Dr, landslide area of Portuguese Bend, Rancho Palos Verdes Comment
  JEPS53883  Sisymbrium officinale Frank W. Peirson 1920-4-25 2109 Los Angeles Arroyo Seco; San Gabriel Mountains, Arroyo Seco 411 Comment
  POM11352  Sisymbrium officinale F. L. Robinson 1921-5-18 81 Los Angeles Claremont. 365 Comment
  RSA0085284  Sisymbrium orientale R. G. Swinney 2010-4-30 12465 Los Angeles near Sylmar, Wilson Canyon Park, ridgetop south of the southern of the two eastern forks of Wilson Cyn., 0.45 miles east of Wilson Debris Basin along old motorway 549 Comment
  UCD115611  Sisymbrium orientale Daryl Koutnik; Vickie Dawes 1978-5-12 482 Los Angeles Arroyo Sequit along Mulholland Highway. 548 Comment
  RSA630753  Sisymbrium orientale L. C. Wheeler 1973-4-8 s.n. Los Angeles Kagel Canyon. 670 Comment
  RSA366923  Sisyrinchium bellum Elbert Benjamine 1929-3-17 112 Los Angeles Griffith Park, Los Angeles. Comment
  UC117105  Sisyrinchium bellum T. S. Brandegee May 1889 Los Angeles San Pedro Comment
  UC205493  Sisyrinchium bellum S. B. Parish 1919-4-19 19268 Los Angeles near San Dimas; Lone Hill Comment
  UC68500  Sisyrinchium bellum unknown May, 1903 Los Angeles Los Angeles Comment
  UCD138850  Sisyrinchium bellum Kenneth A. Wilson 1961-3-12 1015 Los Angeles Santa Monica Mtns. Decker Road, junction of western portion of Mulholland Hwy. 457 Comment
  RSA0035005  Sisyrinchium bellum W. M. Arbaugh 1968-5-13 264 Los Angeles Cal Poly, on grassy hillside behind Fremont Hall. Comment
  RSA366934  Sisyrinchium bellum Louis C. Wheeler 1932-3-23 517 Los Angeles UCLA Campus, West Los Angeles. Alt. 450 ft. 137 Comment
  LA200855  Solanum americanum Michael Neuman; October 1983 5 Los Angeles Santa Monica Mountains, Hollyhock Canyon, tributary to Mandeville Canyon 374 Comment
  RSA427317  Solanum americanum F. R. Fosberg 1930-7-3 S- 3086 Los Angeles Lexington Wash, San Gabriel River. El Monte. 80 Comment
  RSA709744  Solanum americanum A. C. Sanders, Mark A. Elvin 2003-8-7 27162 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom east of Del Valle. 282 Comment
  SD186348  Solanum americanum A. C. Sanders, T. B. Salvato 2005-5-24 30243 Los Angeles Santa Clarita area, nameless canyon NW of community of Mint Canyon, tributary of Santa Clara River 518 Comment
  HSC12481  Solanum douglasii Wendell Wood 1970-6-17 1 Los Angeles Chevy Chase and Linda Vista Rd., Glendale 366 Comment
  RSA422433  Solanum douglasii Elbert Benjamine, Benjamine Rice 1929-1-6 s.n. Los Angeles Between N Ave. 61 and Arroyo Seco, Los Angeles Comment
  POM8503  Solanum douglasii Philip A. Munz, R. D. Harwood 1920-5-13 3935 Los Angeles Cold Water canyon. 305 Comment
  RSA422382  Solanum douglasii M. B. Dunkle 1949-4-3 s.n. Los Angeles San Clemente Island. Chenetti Canyon. Comment
  UCR238082  Solanum elaeagnifolium Mark A. Elvin, Julie M. Vanderwier 2002-7-17 2098 A Los Angeles Western Transverse Range; Santa Clarita Valley, west face of Potrero Mesa, south of Santa Clara River, above Pico Canyon Rd. 305 Comment
  RSA427308  Solanum elaeagnifolium Bonnie C. Templeton 1954-8-8 s.n. Los Angeles From RR (SP) embankment near Soledad Public Camp, Soledad Canyon. Comment
  UCR18354  Solanum nigrum O. F. Clarke 1977-7-4 s.n. Los Angeles Pasadena, residential garden at 384 North Oakland Avenue 268 Comment
  RSA223766  Solanum umbelliferum E. C. Twisselmann 1964-6-10 9619 Los Angeles Fork at head of Castaic Valley. 1311 Comment
  RSA651324  Solanum umbelliferum Phil Drooks 1981-4-26 12 Los Angeles Hwy 39, N of West Fork about 3 mi. Comment
  UCR205051  Solanum umbelliferum R. G. Swinney 2008-3-31 8585 Los Angeles San Gabriel Mtns., Glendora Mountain summit 1013 Comment
  CAS-BOT-BC156796  Solanum umbelliferum Ernest C. Twisselmann 1955-6-23 2210 Los Angeles San Emigdio Range. Castaic Valley, 1/2 mile north of Holland Summit 1219 Comment
  RSA427377  Solanum wallacei Anstruther Davidson 1899-06 s.n. Los Angeles Catalina Island Comment
  UC147668  Solanum wallacei E. B. Babcock 1901-4 9 Los Angeles Canyon above Avalon (Santa Catalina Island); Santa Catalina Island Comment
  CHSC3672  Solanum xanti Mary MacArthur 1966-5-26 36 Los Angeles Switzers Camp-San Gab. Mts. 914 Comment
  LA34735  Solanum xanti Mary V. Hood; 1945-5-1 45 24 k Los Angeles Comment
  UCR4197  Solanum xanti R. H. Sauer 1965-4-13 s.n. Los Angeles San Gabriel Mtns, Pasadena, Arroyo Seco Canyon, along road c. 2.5 miles into the canyon 426 Comment
  RSA0102407  Solanum xanti Lyman Benson 1953-5-17 15119 Los Angeles Oak Flats Guard Station, 1 mile north of second summit north of Castaic. 822 Comment
  UCR209261  Solidago californica R. G. Swinney 2008-10-7 9475 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  RSA93074  Solidago californica F. W. Peirson 1918-11-1 1228 Los Angeles Arroyo Seco Canyon, south slope of San Gabriel Mts. 1296 Comment
  RSA697313  Solidago occidentalis Keith E. Hoffmaster 1933-9-24 s.n. Los Angeles Near Santa Ana. Comment
  OBI62121  Solidago velutina subsp. californica P. A. Holden 1968-11-19 616 Los Angeles 10 mi SE of Gorman on roadbank of rd to Lake Hughes Comment
  UC57571  Solidago velutina subsp. californica J. H. Barber 1897-9-16 282 Los Angeles Santa Monica Forestry Station Comment
  UCR186563  Sonchus asper A. C. Sanders 2006-5-16 32343 Los Angeles Tehachapi Mtns. Foothills, along the road to the National Cement Plant, c. 1/4 mile north of Hwy 138, south the California Aqueduct 1012 Comment
  UCD136149  Sonchus asper subsp. asper Ipso. 1904-3-22 s.n. Los Angeles St Anna. Comment
  UC1532940  Sonchus oleraceus Robert F. Thorne 1975-9-4 47386 Los Angeles campus USC Marine Science Center (Fisherman's Cove, Santa Catalina Island); Santa Catalina Island, Fisherman's Cove, USC Marine Science Comment
  LA105051  Sonchus oleraceus Barry A. Prigge; 1988-7-3 8217 Los Angeles Santa Monica Mountains, Calabasas, ca 0.4 mi E of jtn of Mulholland Hwy and Old Topanga Rd, S of E-end of Calabasas High School track 313 Comment
  RSA187658  Sorghum bicolor R. F. Thorne 1966-9-15 36696 Los Angeles Santa Catalina Island, Volunteering along roadside near Bird Park, Avalon 15 Comment
  SEINET10602942  Spartina foliosa LeRoy R. Abrams 1904-9-6 Abrams s.n. Los Angeles Margens of the bay, San pedro Comment
  RSA0097892  Spergularia bocconi R. L. Armacost 1963-5-23 1660 Los Angeles Santa Monica. Parkway-Corner 25th & Montana. Comment
  RSA591802  Spergularia bocconi P. H. Raven 1962-4-11 17256 Los Angeles Due west of Wall 2; San Clemente Island. 6 Comment
  LA34169  Spergularia macrotheca var. macrotheca Peter H. Raven; Henry J. Thompson 1969-6-4 14342 Los Angeles 12 Comment
  RSA0098397  Spergularia macrotheca var. macrotheca Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2381 Los Angeles Parsons Landing, Santa Catalina Island. 3 Comment
  CLARK-A1528-5649  Spergularia villosa John C. Roos 1950-4-1 4719 Los Angeles 60 Comment
  LA52376  Stachys bullata Martha Hilend; April 1929 sn Los Angeles 121 Comment
  SEINET9317654  Stachys bullata Unknown 1920-5-27 1419 Los Angeles Higgens Canyon Comment
  CAS-BOT-BC60916  Stanleya pinnata W. R. Dudley; F. H. Lamb 1896-6-4 4324 Los Angeles Lancaster. Comment
  LA204468  Stanleya pinnata var. pinnata Monte Lloyd; 1950-7-15 500715p 1352 Los Angeles Santa Monica Mountains, Coast Highway, a few mi. N of Santa Monica. Just above a road cut 15 Comment
  RSA0087863  Stellaria media R. G. Swinney 2010-6-21 13284 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  RSA213351  Stellaria media Reid V. Moran, Bonnie C. Templeton 1941-3-14 706 Los Angeles Middle Ranch, Santa Catalina Island. 200 Comment
  SEINET13387040 Image available Stellaria media R. G. Swinney 2011-1 14073 B Los Angeles San Gabriel Mountains: Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. (Mt. Wilson 7.5' Q.) ( T1N R11W S15) 235 Comment
  RSA478175  Stellaria media Ida Lou Sayler 1942-4-17 s.n. Los Angeles San Marino. Comment
  RSA656060  Stellaria nitens James Henrickson 1985-3-30 19792 Los Angeles Ca. 3 air mi. nnw. of Newhall in proposed North Hills development just north of Santa Clara River and just e. of San Francisquito Creek 354 Comment
  CAS-BOT-BC375143  Stephanomeria cichoriacea F. Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canon [Canyon], near Pasadena, San Gabriel Mts. Comment
  JEPS19705  Stephanomeria cichoriacea Peter H. Raven 1957-9-21 11357 Los Angeles 2.5 mi above U. S. Hwy 101 A (Topanga Canyon); Santa Monica Mountains, Topanga Canyon Comment
  RSA0033682  Stephanomeria spinosa Duncan S. Bell, Sarah Fisher, Carrie Kiel 2013-7-23 5437 Los Angeles Sheep Mountain Wilderness; Vincent Gulch, near head of canyon. 1994 Comment
  POM50120  Stephanomeria virgata L. W. Nuttall 1921-1-1 1009 Los Angeles Santa Catalina Island. Avalon creek. Comment
  RSA474244  Stephanomeria virgata B. C. Templeton 1966-9-27 s.n. Los Angeles Near Hughes Aircraft. Comment
  RSA594306  Stephanomeria virgata subsp. virgata Steve Boyd, Lauren Raz 1996-10-14 9038 Los Angeles Liebre Mountains region, Agua Dulce Canyon, just north of Highway 14 and the confluence with Escondido Canyon, along Agua Dulce Canyon Road. 671 Comment
  RSA719738  Stephanomeria virgata subsp. virgata R. G. Swinney 1996-8-7 5222 Los Angeles San Dimas Experimental Forest, southern third of west half of Brown's Flat. 1305 Comment
  UC1929664  Stillingia linearifolia Scott D. White, Michael Honer 2003-6-18 9566 Los Angeles LIBRE MTS.: Canyon Country. Steep, actively eroding slopes immediately above homes and detention basins in tributary to west of Tick Canyon. Comment
  UC213258  Stillingia linearifolia I. M. Johnston 1918-4-27 1865 Los Angeles Temescal Canyon 365 Comment
  UCR204232  Stipa lepida Valerie Soza, LeRoy Gross 2001-5-14 1214 Los Angeles Transverse Ranges; San Gabriel Mountains, Santa Anita 1999 Fire area, above Santa Anita Canyon, c. 0.7 mi west of the Santa Anita Dam 762 Comment
  CATA1752  Stipa pulchra Mark L. Hoefs, Steven A. Junak, J. Travis Columbus 2001-5-25 3188 Los Angeles Santa Catalina Island: On ridge above KBRT radio station, west of Airport Road junction 432 Comment
  UCR270917  Stipa speciosa R. G. Swinney 2011-5-26 14870 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
  UCR62861  Stipa speciosa B. Lennart Johnson 1957-5-4 s.n. Los Angeles Mojave Desert, c. 23 mi north of Palmdale Comment
  LA212447  Strelitzia reginae Jack Pepper; 1950-12-17 s.n. Los Angeles Silver Lake District. 243 Comment
  SEINET10907296  Streptanthella longirostris Noel H. Holmgren 1974-4-4 Holmgren 7620 Los Angeles Mojave desert, antelope valley, just n. Of lovejoy buttes, 18 mi. Ese of downtown lancaster. T6n, r9w, sec 16. 823 Comment
  RSA383486  Stuckenia pectinata Marie Lade 1932-10-7 16764 Los Angeles Summersed at edge of reservoir Chatsworthy Reservoir, Los Angeles County Comment
  RSA653475  Stylocline gnaphaloides Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 785 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
  RSA645576  Suaeda moquinii A. C. Sanders, E. J. Lott 1993-5-6 13946 Los Angeles Mojave Desert: 12 miles N of Palmdale, Sierra Highway at Ave G to 1/10 mi. NW of intersection. 706 Comment
  UCSB63445  Suaeda nigra Sanders, A.; Lott, E. 1993-5-6 Los Angeles Mojave Desert: 12 miles N of Palmdale: Sierra Hwy at Ave "G" to 1/10 mi. NW of intersection; T8N R12W SW/4 S34; (UTM 10 km. cell: LJ-9E, 4N. Sterks Ranch) 706 Comment
  RSA70018  Suaeda taxifolia F. W. Peirson 1904-8-22 1830 Los Angeles Playa del Rey, coast of Los Angeles Co. Comment
  SBBG133193  Suaeda taxifolia J. Savage, S. Junak 2003-4-20 JS- 0 -2003 Los Angeles mouth of Horse Beach 3 Comment
  SBBG13771  Suaeda taxifolia E. R. Blakley 1961-9-25 4725 Los Angeles base of Ballast Pt, Catalina Harbor Comment
  SBBG20562  Suaeda taxifolia E. R. Blakley 1963-12-8 6404 Los Angeles mouth of Horse Beach Cyn, which is first cyn E of China Pt 7 Comment
  UC466075  Suaeda taxifolia R. L. Pendleton 1909-7-6 1423 Los Angeles Catalina Cove Santa Catalina Island, Catalina Cove 1 Comment
  UCR119047  Suaeda taxifolia Jeremiah George 2001-7-17 s.n. Los Angeles South Coastal Plains Region, Palos Verdes Peninsula, Rancho Palos Verdes, Ocean Trails development, between Palos Verdes Dr. South and the ocean 3 Comment
Read comments
Aug 9 2011
  UCR27547  Symphoricarpos parishii John C. Roos 1947-5-31 3662 Los Angeles San Gabriel Mtns., near Jackson Lake 1829 Comment
  SBBG126991  Symphyotrichum greatae A. Parikh, N. Gale 2011-7-16 3564 Los Angeles West Fork San Gabriel River, 4.8 km W of St Hwy 39; San Gabriel Mtns 568 Comment
  UCR189658  Syntrichopappus fremontii R. G. Swinney 1998-5-16 6061 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  UCR281965  Syntrichopappus fremontii R. G. Swinney 2014-4-24 16195 Los Angeles San Gabriel Mountains, NE of Valyermo, wash and plateau at north end of Bob's Gap, 3.1-3.6 miles south of Hwy. 138, c. 0.2 miles east of Bob's Gap Rd., east of Bob's Gap Wash 1293 Comment
  UCD136726  Syntrichopappus fremontii Daryl Koutnik 1978-4-7 331 Los Angeles west side of Sierra Highway just north of Pearblossom Highway. 914 Comment
  UCR204880  Taraxacum officinale R. G. Swinney 2005-8-9 8407 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  RSA455553  Tauschia arguta Freda Detmers 1931-4-1 s.n. Los Angeles Griffith Park. Comment
  UCR223509  Tauschia parishii R. G. Swinney 2009-5-28 10941 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  RSA114513  Tellima grandiflora G. R. Campbell 1956-6-11 21617 Los Angeles Nursery seedlings at Botanic Garden, under Prop. No. 8963 originally from seed coll. by C.B. Wolf (Prop No. 4071, Coll. No. 9994) March 3, 19_1, rocky cliffs, North Coast Range, 4.7 mi. n. of Ettersburg on road to Honeydew, Humboldt Co. Comment
  RSA725075  Tetradymia axillaris var. longispina Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -83 Los Angeles Bob's Gap. At the south edge of Bob's Gap, on slopes and roadside, and down in the wash. 1444 Comment
  CAS-BOT-BC88100  Thelypodium integrifolium subsp. affine Alice Eastwood; John Thomas Howell 1937-4-26 3979 Los Angeles Rosamond Lake bottom. Comment
  UCR191308  Thelypodium lasiophyllum R. G. Swinney 1998-7-10 6358 Los Angeles San Gabriel Mtns., Prairie Fork, 300 m west of Cabin Flats Campground 1598 Comment
  RSA691216  Thelypteris puberula var. sonorensis Robert Kessler 1925-1 61 Los Angeles San Gabriel Mountains 762 Comment
  RSA597561  Thinopyrum intermedium Timothy S. Ross, Peter W. Fritsch, Steve Boyd, Orlando Mistretta 1990-6-22 3754 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone 1707 Comment
  SEINET10531106  Thuja occidentalis David B. Dunn 1939-10-25 Dunn UMO 46534 Los Angeles Collected from an ornamental tree growing in Pasadena at Orange Dr. and Colorado Blvd. 274 Comment
  CAS-BOT-BC88453  Thysanocarpus curvipes Timothy S. Ross 1991-4-28 4765 Los Angeles Adobe Mountain. Southwesterly extension of the mountain. 975 Comment
  RSA0057442  Thysanocarpus curvipes Steve Boyd, Lauren Raz 1997-3-31 9418 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 914 Comment
  RSA0121921  Thysanocarpus curvipes subsp. amplectens Gary D. Wallace 1966-3-25 200 Los Angeles Millard Canyon north of Pasadena 915 Comment
  RSA0057531  Thysanocarpus curvipes subsp. curvipes P. A. Munz, L. T. Street, G. Williams 1919-4-5 2472 -b Los Angeles Puddingstone Canon, San Dimas. 289 Comment
  RSA0057607  Thysanocarpus curvipes subsp. curvipes Anonymous 1897-04 s.n. Los Angeles Eaton's Canyon. Comment
  RSA0041606  Thysanocarpus curvipes var. curvipes L. C. Wheeler 1931-3-8 s.n. Los Angeles Fischer s, [Vicinity of Claremont]. Comment
  RSA760562  Thysanocarpus laciniatus R. G. Swinney 2009-3-10 10056 Los Angeles Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  UCR271569  Thysanocarpus laciniatus R. G. Swinney 2011-5-19 14780 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.6 miles SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., south side of Coldwater Cyn. creek 1073 Comment
  RSA0039216  Thysanocarpus laciniatus Timothy S. Ross, S. D. Boyd 1990-5-15 2511 Los Angeles San Gabriel Mountains: Soledad Campground, Tujunga Ranger District, Angeles National Forest; Soledad Canyon, ca. 1.5 linear miles E of Agua Dulce Canyon. 622 Comment
  RSA0074060  Thysanocarpus laciniatus Robert F. Thorne 1966-4-5 35821 Los Angeles Santa Catalina Island: Cape Canyon near grove of Quercus tomentella. 274 Comment
  RSA592220  Thysanocarpus laciniatus L. C. Wheeler 1967-4-30 9225 Los Angeles Limekiln Canyon 564 Comment
  RSA755937  Thysanocarpus laciniatus Orlando Mistretta, Christine Mistretta 2008-4-9 2399 Los Angeles Ritter Ridge, SW of Lancaster. Along SCE Edison transmission lines, 0.5 mi. NW of intersection of transmission lines with Elizabeth Lake Rd. (Segment 5, structure 28 per TRTP survey - 2008) 953 Comment
  UCR274110  Torilis arvensis Steven A. Junak 1999-5-21 SCa- 979 Los Angeles California Islands, Santa Catalina Island. Coffee Pot Canyon, just upstream from road crossing 405 Comment
  RSA77837  Tribulus terrestris F. W. Peirson 1918-10-1 5310 Los Angeles Vacant lot on New York Ave. Altadena. Comment
  HSC14456  Trichostema lanatum David Porter 1965-5-14 Los Angeles Along Mulholland Hwy., 1 mi. W of Canyon Rd. 305 Comment
  POM212060  Trichostema lanatum Carl B. Wolf 1931-7-2 2268 Los Angeles Bouquet Canyon, 3 1/2 mi. above point where the Los Angeles Aqueduct crosses the road. (Pure stand of about 15 acres on Adelaide Ranch.) 457 Comment
  UC1237992  Trichostema lanatum John Weiler, Roy L. Taylor May 12-15 1961 61114 Los Angeles 1.8 mi NE of Solemint (along Soledad Canyon Road) Comment
  UCR154024  Trichostema lanatum A. C. Sanders 2005-5-11 30162 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
  JEPS63111  Trichostema lanceolatum W. L. Jepson 1940-10-7 20186 Los Angeles Calabasas Comment
  SBBG71187  Trichostema lanceolatum M. N. Ackley -Sep-1927 470 Los Angeles Eagle Rock 182 Comment
  RSA187664  Trichostema lanceolatum Robert F. Thorne 1966-9-16 36712 -a Los Angeles Near Hay Press Reservoir, Santa Catalina Island. 412 Comment
  POM349088  Trifolium Louis C. Wheeler 1934-4-2 2497 Los Angeles Puddingstone Dam, San Jose Hills. 305 Comment
  POM215935  Trifolium albopurpureum var. albopurpureum L. C. Wheeler 1935-4-25 3441 Los Angeles Placerita Canyon. 457 Comment
  RSA757329  Trifolium albopurpureum var. albopurpureum Orlando Mistretta, Christine Mistretta 2008-4-4 2299 Los Angeles North of State Hwy 14 along Southern California Edison Transmission Line in the vicinity of Tuckerway Ranch Road (Segment 5, structure 56 per TRTP survey; 2008) 1284 Comment
  SEINET1869737  Trifolium ciliolatum A. C. Sanders, Mark Elvin 2003-1 25946 Los Angeles NE end of Santa Susana MTns.: Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  POM349420  Trifolium ciliolatum M. Bisbee 1917-4-10 s.n. Los Angeles Grassy hillsides, east end Eagle Rock Valley Comment
  RSA611943  Trifolium ciliolatum Louis C. Wheeler 1933-4-7 1624 Los Angeles Temple City. 107 Comment
  RSA0074217  Trifolium depauperatum var. truncatum Los Angeles Near N* Slough. [added, in pencil:] near El Monte? Comment
  SBBG112908  Trifolium gracilentum J. Q. A. Fritchey 1889-3-30 20 Los Angeles Santa Catalina Island Comment
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Nov 20 2016
  UCR127027  Trifolium gracilentum Mark A. Elvin, Cathleen Weigand 2003-4-7 2438 B Los Angeles Castaic Valley, Newhall Ranch, junction of Hasley Canyon and Castaic Creek 335 Comment
  RSA609286  Trifolium gracilentum L. C. Wheeler 1974-4-14 s.n. Los Angeles Wildwood Ranch, Shuler Canyon. 411 Comment
  RSA251386  Trifolium gracilentum var. palmeri R. F. Thorne 1966-4-15 36007 Los Angeles San Clemente Island: 2/3 miles SSE of Eel Point (and N of seal Cove), SW side of island 30 Comment
  UCR229143  Trifolium hirtum Dan S. Cooper 2011-4-8 411- 43 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  SFV9205  Trifolium hybridum T. Gordon 1976-7-8 1626 Los Angeles San Fernando Valley Los Angeles, Northridge. CSUN campus, east of gym. 260 Comment
  UCSB43822  Trifolium macrocephalum Morales, M. Los Angeles West of Wrigley Memorial Garden on Memorial Road, 0.84 miles from junction with Avalon Canyon Road, Santa Catalina Island 304 Comment
  SBBG113068  Trifolium microcephalum S. A. Junak with M. L. Hoefs, K. Kirkland 1998-5-1 SCa 616 Los Angeles NE end of Patrick Reservoir 426 Comment
  SEINET13276804 Image available Trifolium obtusiflorum R. G. Swinney 2011-1 15274 Los Angeles San Gabriel Mountains: Charlton Flat Picnic Area, along East Fork Alder Creek, 0.2 miles west of Angeles Crest Hwy (Chilao Flat 7.5' Q.) (T3N R11W S34) 1597 Comment
  UCR210123  Trifolium variegatum R. G. Swinney 2008-7-24 9350 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
  UCR275035  Trifolium willdenovii Michael Honer, A. C. Sanders, Teresa Salvato 2006-4-14 2190 Los Angeles Tehachapi Mountains area, E-facing roadcut along cement plant rd., c. 2 miles north of aqueduct 976 Comment
  UCR281776  Trifolium willdenovii Mitch Provance, Scott Duff 2017-6-29 617- 70 Los Angeles Catalina Island, Middle Canyon, SCE corridor along Middle Ranch Rd., N of Thompson Dam at McGee Lake. 180 Comment
  OBI69297  Trifolium willdenovii John Knapp, Denise Knapp 2003-5-10 48 Los Angeles Catalina Island. 36737.02N x 3696207.81E 472 Comment
  RSA91015  Trifolium wormskioldii F. W. Peirson 1930-5-31 8915 Los Angeles Below Lovejoy Dam. Lovejoy Buttes. SW Mojave Desert. Comment
  SD86343  Triteleia clementina R. Mitchel Beauchamp, M. Douglas 1972-3-24 3237 Los Angeles Among rocks on grassy north-facing canyon wall below Lemon Tank, San Clemente Island. 299 Comment
  SBBG112965  Tropaeolum majus S. A. Junak 1998-6-13 SCa 745 Los Angeles Avalon Cyn Rd, 0.4 mi N of Wrigley Memorial Garden, across from Quail Cyn 60 Comment
  UC11068  Tropidocarpum gracile J. H. Barber 1897-4 292 Los Angeles Santa Monica Canyon Comment
  POM156298  Turricula parryi L. R. Abrams 1902-6-30 2594 Los Angeles Summit of Mt. Wilson. 1768 Comment
  CDA40439  Turricula parryi T. C. Fuller 1980-6-12 20278 Los Angeles San Gabriel Mountains; Angeles Crest Highway, Hwy 2, 8.5 km east of road to Mt. Wilson. Comment
  SEINET11786732  Typha angustifolia R. F. Thorne, Tilforth, C. W.; Nilsson, S. 1972-1 42185 Los Angeles San Gabriel Mts., Angeles National Forest: Caldwell Lake near Valyermo (on San Andreas Fault) Comment
  CAS-BOT-BC91142  Umbellularia californica Prof. W. R. Dudley 1907-12-26 s.n. Los Angeles Falls Canon [Canyon]. San Gabriel Mountains near Monrovia. Comment
  OBI13417  Umbellularia californica Kathleen Reynolds 1966-2-23 8 Los Angeles Pasadena, Arroyo Seco Cyn at Arroyo Ave in the foothills of San Gabriel Mts 61 Comment
  CAS-BOT-BC381901  Uropappus lindleyi Geo. B. Grant 1905-4-20 783 Los Angeles From Pasadena Comment
  RSA433855  Urtica urens Louis C. Wheeler 1936-6-8 4136 Los Angeles San Gabriel Mountains: Mouth of Bell Canyon. 610 Comment
  CAS-BOT-BC327078  Venegasia carpesioides E. R. Johnson 1929-3-31 1253 Los Angeles Mulholland Drive Comment
  RSA475486  Venegasia carpesioides Thekla Mohr 1911-1 1931 Los Angeles Topanga, Los Angeles Comment
  SD144012  Venegasia carpesioides Scott D. White 1997-3-12 4755 Los Angeles Zuma Beach Area: Mouth of Zuma Creek, E end of the County Beach. 7 Comment
  RSA661001  Verbascum virgatum LeRoy Gross 2001-5-28 416 Los Angeles Verdugo Mountains, northeast side; Start from dead end street Mesa Lila Road, in city of Verdugo City. 476 Comment
  RSA82526  Verbascum virgatum F. W. Peirson 1919-11-16 1097 Los Angeles East end of New York Ave., Altadena. Comment
  POM4006  Verbena bracteata I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] Comment
  CHSC35831  Verbena lasiostachys James Henrickson 1979-5-18 18116 Los Angeles Ca 2 miles SE of Newhall, N of San Fernando Road, ca 1 mile NW of Hwy 14. 402 Comment
  UCR192846  Verbena lasiostachys R. G. Swinney 1998-7-6 6280 Los Angeles San Gabriel Mtns., 0.2 mi. up western tributary of Mescal Canyon, 2.3 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1585 Comment
  SFV12026  Vicia americana var. americana D. L. Koutnik 1978-3-31 196 Los Angeles Santa Monica Mountains West fork of Triunfo Creek, south of Westlake. 274 Comment
  RSA653738  Vicia villosa subsp. varia Valerie L. Soza, LeRoy Gross, Adelina Munoz 2000-5-12 899 Los Angeles Verdugo Mountains, northwest side: Northwestern end of Verdugo Crestline Drive from New Home Avenue, Sunland. Ridge east of 210 Fwy and west of fire road, south (above) water tank. 488 Comment
  SBBG94249  Viola pedunculata F. R. Fosberg 1931-4-2 4455 Los Angeles divide between Hamilton and Descanso Cyns 150 Comment
  UC447168  Viola pedunculata J. Ewan 1931-2-20 4031 Los Angeles Dry Canyon near Westwood; Santa Monica Mountains, Dry Canyon Comment
  RSA608611  Viola pedunculata Louis C. Wheeler 1974-4-14 s.n. Los Angeles Wildwood Ranch, Shuler Canyon. 412 Comment
  POM47637  Viola purpurea subsp. mohavensis F. W. Peirson 1919-5-10 745 Los Angeles Mount Gleason 1738 Comment
  UCSB31597  Viola purpurea subsp. mohavensis Griesel, Wesley 1962-5-28 Los Angeles Angeles Crest Hwy., Near Newcombs Ranch San Gabriel Mts 1828 Comment
  RSA567534  Viola purpurea subsp. venosa Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3933 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
  UC1587645  Vitis girdiana Tim Ross 1991-4-21 4561 Los Angeles Lower Turnbull Canyon drainage Whittier Hills (Puente Hills, pro parta) 176 Comment
  RSA0121779  Vitis girdiana Patricia Kouo 1994-4-27 944289 Los Angeles 3 miles south of I-10, and 1-mile north of I-60. On the west side of Rosemead Blvd. at the most southern lake. Comment
  RSA600153  Vulpia microstachys var. confusa Steve Boyd, Lauren Raz 1997-5-1 9648 A Los Angeles Liebre Mountains Region: Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-southeast of Lincoln Crest, the head of Bouquet Canyon. 1463 Comment
  RSA729181  Vulpia microstachys var. microstachys R. G. Swinney 1998-7-14 6441 Los Angeles Pine Mountain Ridge; 0.2-0.3 mi. west of Camp Lupine trail. Broad ridge top' montane coniferous forest. 2247 Comment
  CHSC95714  Vulpia microstachys var. pauciflora LeRoy Gross 2005-4-28 2167 Los Angeles Transverse Ranges; San Gabriel Mountains region: Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road. Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Than dropped off ridge into canyon bottom back to origin. T4N R12W, 11wS1, 6, NE1/4 of 1, NW1/4 of 6) Alt. 1235-1413m/4052-4635 ft. General collecting started from a slight decline bench south of the ridgeline. 1324 Comment
  RSA607220  Vulpia microstachys var. pauciflora L. C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mountains: South side Devil's Canyon. 1402 Comment
  SD232158  Vulpia microstachys var. pauciflora Valerie Soza, Naomi Fraga, Aydee Virgen 2003-6-16 1682 Los Angeles Transverse Ranges; San Gabriel Mountains region: Western extension of Waterman Mountain, along Waterman Mountain trail 10W04 from approximately 0.75 to 2.5 miles ESE from Three Points trailhead. 1982 Comment
  POM352985  Vulpia myuros var. hirsuta M. B. Dunkle 1940-4-4 7257 Los Angeles Pyramid Cove, San Clemente Island. Comment
  RSA749842  Vulpia octoflora D. E. Bramlet 2008-3-26 4119 Los Angeles Bee Canyon. Bowerman landfill site. 202 m S of the Bee Cyn. access road, 151 m W of the landfill entrance. Comment
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Nov 2 2018
  SEINET3875449  Woodwardia fimbriata Louis C. Wheeler 1946-9-8 6354 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, 1/2 mile west of Bear Creek.; 0 533 Comment
  RSA85026  Woodwardia fimbriata F. W. Peirson 1919-12-2 1515 Los Angeles West Fork of Rubio Canyon, south base of San Gabriel Mtns 762 Comment
  RSA607820  Wyethia ovata L. C. Wheeler 1968-7-24 s.n. Los Angeles San Gabriel Mountains: South end Winston Peak, immediately adjacent to Cloudburst Summit. 2164 Comment
  UCD137151  Xanthium strumarium James A. Lockhart 1954-6-7 s.n. Los Angeles Vicinity of Plant Physiology Building, U.C.L.A. Comment
  RSA582963  Xylococcus bicolor T. S. Ross, Janet Takara 1993-4-23 6942 -a Los Angeles Santa Catalina Island, upper E side of Cottonwood Canyon Drainage, ca. 1035 m WNW of Black Jack Mtn. Summit 436 Comment
  RSA748747  Xylorhiza tortifolia R. G. Swinney 2001-5-17 7948 Los Angeles Valyermo area, south end of Bobs Gap, west-facing slope at junction of Panorama and Bobs Gap roads. 1244 Comment
  RSA773804  Yucca whipplei Richard G. Swinney 2009-6-17 11192 Los Angeles ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  RSA725857  Yucca whipplei var. whipplei A. C. Sanders, Mark Elvin 2002-6-18 25120 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park. 366 Comment
  JEPS62247  Zigadenus fremontii Frank W. Peirson 1921-4-21 2402 Los Angeles Sycamore Flat to San Dimas Creek; San Gabriel Mountains 792 Comment



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