Search Results — 2000 specimen records retrieved (1598 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 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
  RSA213339  Abronia maritima Reid V. Moran 1941-3-4 675 Los Angeles Little Harbor, Santa Catalina Island 5 Comment
  RSA247976  Abronia pogonantha Robert F. Thorne, Gary D. Wallace 1973-4-24 43448 Los Angeles Antelope Valley, Western Mojave Desert: Lovejoy Buttes, N of Llano, S slope. 915 Comment
  RSA604521  Abronia umbellata Sara L. Crockett, Sheila Schueller 1997-3-20 596 Los Angeles NE corner of Ben Weston Beach, ca 100 m from Pacific Ocean 6 Comment
  RSA69964  Abronia umbellata F. W. Peirson 1843 Los Angeles Long Beach Comment
  POM184073  Abronia umbellata subsp. umbellata P. A. Munz 1932-8-31 12814 Los Angeles Back beach, Playa del Rey. Comment
  UCR177134  Acacia longifolia Joseph M. Keefe 2001-1-19 30946 Los Angeles Transverse Ranges; Verdugo Mts region; San Rafael Hills, south by southeast face of The Eagle Rock, Eagle Rock District, Los Angeles 305 Comment
  UC870076  Acer macrophyllum I. W. Clokey, E. G. Anderson 1935-5-9 6731 Los Angeles bottom of San Dimas Canyon San Dimas Canyon Comment
  SBBG31503  Achillea millefolium R. M. Beauchamp 1967-3-18 261 Los Angeles E of Bluff Comment
  SBBG55928  Achnatherum hymenoides L. R. Bevier 1983-4-30 22 Los Angeles Palmdale Blvd, 0.1mi W of 159th East, Big Rock Wash 640 Comment
  UC284801  Achnatherum hymenoides P. A. Munz 1923-5-27 6906 Los Angeles Pallett Creek San Gabriel Mts. Comment
  UCD50361  Achnatherum hymenoides G. L. Stebbins Jr. 1939-6-16 2860 Los Angeles Along US Highway 99, 5 miles S of Gorman. 1005 Comment
  RSA786315  Achnatherum hymenoides D. M. McFadden 1955-06 s.n. Los Angeles Mojave desert; Wilsona 915 Comment
Read comments
Dec 13 2015
  POM263114  Achnatherum occidentale subsp. occidentale J. C. Roos 1937-7-18 398 Los Angeles Mt. Wilson observatory grounds 2651 Comment
Read comments
Nov 13 2011
  RSA717217  Achnatherum speciosum Scott D. White, Pam DeVries 2006-5-10 11435 Los Angeles St Tehachapi: Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  RSA0044610  Achyrachaena mollis A. C. Sanders 2007-4-19 33421 Los Angeles Tehachapi Mtns. Foothills: hills north of Oso Canyon and south of the National Cement Plant. 1006 Comment
  RSA589321  Achyrachaena mollis T. S. Ross, Gery Allan, Mark Elvin 1995-5-21 6815 Los Angeles San Clemente Island, terrace between the main stem of Horse Beach Canyon and the main westerly stem of Chenetii Canyon. 3970 ft NNW of Slope triangulation point (781-ft) and 5570 ft WSW of 1135-ft tri. pt. near Chenity'. 284 Comment
  POM87793  Achyrachaena mollis L. R. Abrams 1902-4-20 2358 Los Angeles Los Angeles Comment
  CATA1123  Acmispon argophyllus var. argenteus Mark L. Hoefs 1995-5-23 2090 Los Angeles Santa Catalina Island: Near Middle Canyon Road, just below Eagles Nest Lodge 121 Comment
  UC1587204  Acmispon argophyllus var. argenteus Tim Ross 1991-5-22 5454 Los Angeles San Clementine Island: Spray [Point], W side of island, N of Eel Point. 9 Comment
  CAS-BOT-BC213461  Acmispon argophyllus var. argophyllus G. B. Grant 1898-4-1 s.n. Los Angeles Old Wilson Trail Comment
  LA48096  Acmispon argophyllus var. argophyllus R. Herley; 1932-4-26 3698 Los Angeles Santa Catalina Island Comment
  LA47813  Acmispon argophyllus var. argophyllus F. R. Fosberg; 1932-5-5 8111 Los Angeles Santa Catalina Island, Santa Catalina Island 9 Comment
  UCD103985  Acmispon argophyllus var. fremontii Marc Blain 1993-4-16 18 Los Angeles San Gabriel Mountains, 3.5 miles North of Greenridge Ave. on Angeles Crest Highway. 762 Comment
  SBBG25226  Acmispon glaber Leota Davidson 1965-5-15 116 Los Angeles Elizabeth Cyn between Lake Hughes and Castiac Comment
  UCD104176  Acmispon grandiflorus Daryl Koutnik 1978-5-10 471 Los Angeles End of Corral Canyon Road, Santa Monica Mountains. 731 Comment
  CATA3081  Acmispon maritimus Amy Catalano 2016-4-15 073 Los Angeles Santa Catalina Island: South facing slope of Renton Pass Canyon, 1/4 up slope, 150 meters west of junction with Grand Canyon 355 Comment
  LA52419  Acmispon maritimus var. maritimus C. L. Hogue; 1954-3-30 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon 152 Comment
  SBBG125330  Acmispon strigosus A. Parikh, N. Gale 2010-6-22 3359 Los Angeles Upper Shortcut Cyn, 0.9 km S of St Hwy 2, 1.4 km SE of intersection of St Hwy 2 and Upper Big Tujunga Cyn Rd, San Gabriel Mtns 1370 Comment
  SEINET4565812  Acourtia microcephala Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1360 Los Angeles Transverse Ranges; San Gabriel Mountains region; crest of Verdugo Mountains, Verdugo Lateral off Verdugo Motorway 823 Comment
  UC457326  Acourtia microcephala Carl Epling, N. Dunn 1931-5-30 Los Angeles Los Alisos Canyon; Southern California, Santa Monica Mountains Comment
  CAS-BOT-BC133186  Adenostoma fasciculatum L. R. Abrams 1908-7-5 140 Los Angeles Lone Pine Canyon, desert slopes of the San Gabriel Mountains 914 Comment
  CATA800  Adenostoma fasciculatum Mark L. Hoefs, Robert Given 1991-6-12 1372 Los Angeles Santa Catalina Island: 1/2 mile from Camp Cactus near road between Middle Canyon and Bulrush Canyon 231 Comment
  UCR255792  Adenostoma fasciculatum R. G. Swinney 2010-3-10 11821 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  SD251789  Adenostoma fasciculatum M. B. Dunkle 1939-11-24 7347 Los Angeles San Clemente Island; Canyon head, Horse Canyon. Comment
  RSA390481  Adenostoma fasciculatum var. fasciculatum H. de Forest 1934-5-19 s.n. Los Angeles Santa Catalina Island. Comment
  RSA650082  Adenostoma fasciculatum var. fasciculatum T. Strid 1971-5-15 s.n. Los Angeles Tujunga Cyn. Comment
  UCR271665  Adenostoma fasciculatum var. fasciculatum R. G. Swinney 2011-5-31 14933 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  SD81711  Adiantum aleuticum Louis C. Wheeler 1931-7-3 Los Angeles Fern Canyon, San Antonio Mountains 915 Comment
  POM308895  Adiantum aleuticum Kay H. Beach 1942-11-3 638 (631?) Los Angeles 3100 S. contour, first main canyon east of spot ''B'', side canyon, San Dimas Experimental Forest. 944 Comment
  CAS-BOT-BC65572  Adiantum capillus-veneris L. L. K. 1962-9-23 152 Los Angeles Santa Monica Mtns., Malibu Canyon 274 Comment
  SD234215  Adiantum capillus-veneris R. G. Swinney 1998-7-30 6599 Los Angeles San Gabriel Mtns: lowest large waterfall in Spruce Canyon, a tributary from the west of San Antonio Canyon (Mount Baldy 7.5' Q) 975 Comment
  RSA247414  Adiantum capillus-veneris Jack Delaini 1974-4-25 120 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. 549 Comment
  CAS-BOT-BC65641  Adiantum jordanii Geo. B. Grant 1901-1-1 177 Los Angeles Pasadena Comment
  CDA1005  Adiantum jordanii D. G. Kelch 1991-3-17 1314 Los Angeles Santa Catalina Is.; 1.5 km N of Avalon. 0 Comment
  LA94090  Adiantum jordanii Lawrence L. Kiefer; 1963-6-9 540 Los Angeles SANTA MONICA MOUNTAINS, Encinal Canyon, ca. 2 mi. from coast. 152 Comment
  UCR117118  Aeonium A. C. Sanders, D. Malueg 2001-5-17 24347 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 11 acre gas company property at SW corner of Jefferson Blvd. and Montebello Blvd., being decommissioned 122 Comment
  RSA602051  Ageratina adenophora Scott D. White 1997-5-7 5065 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mountains SW of I-210 freeway, E of Hansen Dam, and N of Wentworth St. 320 Comment
  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
  RSA612166  Agoseris grandiflora L. C. Wheeler 1932-7-2 920 Los Angeles San Dimas Canyon, San Gabriel Mts. 487 Comment
  SEINET2028626 Image available Agoseris heterophylla Marcus E. Jones, A. M. 1882-5-3 3222 Los Angeles Pasadena Comment
  SBBG121829  Agoseris retrorsa A. Parikh, N. Gale 2005-6-15 781 Los Angeles Portal Ridge, 0.8 km N of intersection of N2 and Johnson Rd, 1.6 km ESE of intersection of N2 and Munz Ranch Rd 1075 Comment
  UCR194188  Agoseris retrorsa R. G. Swinney 1998-7-29 6544 Los Angeles San Gabriel Mtns., c. 100 m downstream from Upper Fish Fork Campground 1817 Comment
  RSA763745  Agoseris retrorsa Orlando Mistretta, Christine Mistretta 2008-5-20 3154 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 96 per TRTP Survey 2008), Rincon Red box Rd., W Fork of the San Gabriel River, N slope of Monrovia Pk. 1476 Comment
  RSA530058  Agropyron cristatum Timothy S. Ross 1991-8-16 5847 Los Angeles San Gabriel Mountains, Horse Flats 1720 Comment
  RSA597405  Agropyron cristatum Timothy S. Ross, Peter W. Fritsch, Steve Boyd, Orlando Mistretta 1990-6-22 3764 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone 1707 Comment
  RSA0040526  Agropyron cristatum subsp. pectinatum Orlando Mistretta 1995-1-10 1958 Los Angeles Transverse Ranges; San Gabriel Mountains region: near Glendora Mountain Road, about 4 miles W of jct. with Mt. Baldy Road. 1418 Comment
  RSA0104998  Agrostis exarata R. G. Swinney 2011-10-25 15893 Los Angeles San Gabriel Mountains: south end of Coldbrook Campground, along Coldbrook Cr., from 50 m south to 100 m north of Hwy 39. 1006 Comment
  UC1169778  Agrostis exarata P. C. Everett and E. K. Balls 1960-5-30 24133 Los Angeles 2.5 mi from Azusa; San Gabriel Canyon 243 Comment
  UCR259659  Agrostis exarata R. G. Swinney 2010-9-7 13722 Los Angeles San Gabriel Mountains, NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks 1768 Comment
  CAS-BOT-BC139058  Agrostis pallens Dr. H. E. Hasse 1890-6-1 s.n. Los Angeles Near Soldiers Home. Comment
  RSA384950  Agrostis pallens Stone 1936-4-11 s.n. Los Angeles Griffith Park. Comment
  SFV20869  Agrostis pallens L. Gross, B. Hogshead, V. Soza 2003-5-29 954 Los Angeles Verdugo Mountains West end of Verdugo Mountains at junction (saddle) of Verdugo Motorway and Wildwood Fire Road (abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago). Went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Motorway). 564 Comment
  RSA601139  Aleurites fordii L. C. Wheeler 1946-6-28 6218 Los Angeles Los Angeles. East side St. Andrews St. south of San Marino St. (2nd or 3rd house, east side). Comment
  LA33454  Alisma triviale Peter H. Raven; Henry J. Thompson 1959-10-14 14644 Los Angeles SANTA MONICA MOUNTAINS, Triunfo Canyon, Lake Enchanto. 236 Comment
  RSA78903  Allenrolfea occidentalis E. K. Balls, Percy C. Everett 1952-10-3 18009 Los Angeles 2.3mi. N of lancaster, Hwy 6 at jct. with Hwy 138. 762 Comment
  SEINET10667010  Allium ampeloprasum Mary Merello, Heidi H. Schmidt 1999-12-4 Merello 2526 Los Angeles The Farmers Market, 6333 3rd St. Stand: The Fruit Company. Comment
  UC3069  Allium campanulatum H. M. Hall 1899-6-18 1238 Los Angeles San Antonio Mountains 1676 Comment
  UCR204044  Allium fimbriatum R. G. Swinney 2005-5-14 8238 Los Angeles San Gabriel Mountains, northeast of Valyermo, Bob's Gap, ridge-top north of lime kilns 1220 Comment
  CAS-BOT-BC135896  Allium haematochiton Carl Epling 1931-4-25 s.n. Los Angeles Los Alisos Canyon - Santa Monica Mountains Comment
  UCR195296  Allium haematochiton Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-26 1182 Los Angeles Transverse Ranges: Verdugo Mountains Region, northwestern edge of Verdugo Mountains, north of La Tuna Canyon, near junction of Green Verdugo fire road from 210 Fwy and road to Green Verdugo Reservoir 473 Comment
  UCR192588  Allium lacunosum var. davisiae A. C. Sanders 2008-4-10 34800 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
  UCR263284  Allium lacunosum var. davisiae Anuja Parikh, Nathan Gale 2012-5-12 3593 Los Angeles Transverse Range: San Gabriel Mountains, Aliso Canyon, 1.3 km west of Angeles Forest Hwy, 0.1 km north of Aliso Canyon Road 1121 Comment
  CHSC59620  Allium lacunosum var. lacunosum Daryl Koutnik 1978-4-28 431 Los Angeles Fireroad north of Mulholland Highway and northwest of Saddle rock. 609 Comment
  RSA729792  Allium monticola R. G. Swinney 1998-6-16 6978 Los Angeles San Gabriel Mtns.: ridge c. 400 m SE of summit of Lookout (Antonio) Mtn. 1854 Comment
Read comments
Nov 6 2012
  CAS-BOT-BC472947  Allium monticola Le Roy Abrams; E. A. McGregor 1908-7-3 601 Los Angeles North Baldy Mountain, San Gabriel Mountains Comment
  RSA0115994  Allophyllum divaricatum R. G. Swinney 2010-8-11 13498 Los Angeles San Gabriel Mountains; San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road. 595 Comment
  RSA410074  Allophyllum glutinosum C. Epling 1931-5-9 s.n. Los Angeles Santa Monica Mountains. Los Alisos Canyon. Comment
  UCR109620  Alternanthera philoxeroides R. D. Goeden, Don W. Ricker 1965-9-23 s.n. Los Angeles San Gabriel Valley, Whittier Narrows 61 Comment
  CATA1309  Amaranthus albus Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2400 Los Angeles Santa Catalina Island: Lower Cape Canyon, just up from Middle Canyon 213 Comment
  RSA598952  Amaranthus albus R. G. Swinney 1989-8-5 s.n. Los Angeles Base of San Gabriel Mountains, in and near the city of Glendora. Glendora Ridge Motorway, 1/4 mi. W of Glendora Mountain Road. 731 Comment
  JEPS19649  Amaranthus deflexus Rimo Bacigalupi 1955-7-7 Los Angeles Santa Fe Railroad station, Pasadena Pasadena Comment
  RSA416882  Amblyopappus pusillus Anstruther Davidson s.n. Los Angeles E. Los Angeles. Comment
  RSA416894  Ambrosia acanthicarpa F. R. Fosberg 1931-7-11 7195 Los Angeles Ridge Route near Tumble Inn,, Western Sierra Madre Mts. 1100 Comment
  RSA321313  Ambrosia artemisiifolia O. F. Clarke 1970-8-5 s.n. Los Angeles At the home of Judy Owen, 8841 Quakertown Ave, Northridge. Comment
  RSA659811  Ambrosia chamissonis Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-4 106 Los Angeles San Clemente Island. Comment
  CAS-BOT-BC142546  Amelanchier utahensis R. F. Thorne; M. Z. Thorne 1969-7-10 38420 Los Angeles San Gabriel Mtns., Angeles National Forest: wet bed of small stream, c. 1.5 miles W of Wrightwood 1950 Comment
  RSA86818B  Amelanchier utahensis F. W. Peirson 1923-5-26 471 -B Los Angeles Rock Creek Divide 2012 Comment
Read comments
Sep 23 2014
  CAS-BOT-BC180602  Amorpha californica var. californica Geo. B. Grant 1904-5-19 6239 Los Angeles Mt. Wilson 1219 Comment
  RSA507545  Amorpha californica var. californica L. C. Wheeler 1967-6-26 9888 Los Angeles Elsmere Canyon. 457 Comment
  UC934021  Amorpha californica var. californica H. L. Cogswell 1951-6-9 121 Los Angeles 1 1/3 mi nnw Big Dalton Dam (Sec. DE-8, Plot 6); San Gabriel Mountains, Wood's Peak Comment
  UC1971373  Amorpha californica var. californica Louis C. Wheeler 1973-7-15 s.n. Los Angeles SAN GABRIEL MOUNTAINS: Doe Flat, Graveyard Canyon. Comment
  JEPS61154  Amsinckia intermedia Frank W. Peirson 1919-4-5 361 Los Angeles Hennigers Flats; San Gabriel Mountains 853 Comment
  RSA746773  Amsinckia intermedia R. G. Swinney 2008-4-17 8691 Los Angeles San Gabriel Mtns.: San Dimas, ridge between Sycamore and Shay canyons. 497 Comment
  UC159172  Amsinckia intermedia Geo. B. Grant 1901-1 40 Los Angeles Pasadena; Pacific Coast Comment
  RSA499945  Amsinckia intermedia M. B. Dunkle 1939-4-6 7294 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  RSA534003  Amsinckia intermedia Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5118 Los Angeles San Clemente Island: eastern escarpment, 1400 ft. SSE of Jack (not Jack Point), and 1350 ft. NW of the mouth of Larkspur Canyon. 145 Comment
  RSA599275  Amsinckia menziesii var. intermedia Steve Boyd, Lauren Raz 1997-3-31 9411 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
  UCR125925  Amsinckia menziesii var. menziesii A. C. Sanders, Mark Elvin 2002-6-19 25178 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, head of 'Adobe Cyn.' and pass into 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  CHSC85794  Amsinckia tessellata Richard R. Halse 2002-3-25 6134 Los Angeles Along State Hwy. 138, 5.3 miles W of its junction with State Hwy. 14; Antelope Valley. Road margins. 723 Comment
  RSA517854  Amsinckia tessellata Steve Boyd 1986-3-30 1506 Los Angeles Mojave Desert: Highway 18, 0.5 miles east of junction with Hwy 138, NE of Pinyon Hills. Comment
  OBI2774  Amsinckia tessellata Ruth Wilson 1961-3-30 s.n. Los Angeles Antelope Valley 792 Comment
  RSA593457  Ancistrocarphus filagineus Steve Boyd 1996-4-24 8638 Los Angeles Liebre Mountains, northwestern base of the range at the extreme southeastern end of Peace Valley along Angeles National Forest Road 8N01 6.7 road miles from jtn with 8N05 and ca 1.0 road mile from West Branch California Aqueduct. 1098 Comment
  UCR99478  Ancistrocarphus filagineus Steve Boyd, Lauren Raz, Timothy S. Ross 1997-4-1 9466 Los Angeles San Gabriel Mtns., Liebre Mountains, upper watershed of Osito Cyn between Hwy I-5 & the Old Ridge Route, vic. of 'Osito Flat,' a distinctive, open grassy break in slope under the high tension power lines. 915 Comment
  LA33352  Andropogon glomeratus var. scabriglumis Peter H. Raven; 1959-10-25 14702 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, 1.6 mi N of the Coast Hwy. 137 Comment
  CAS-BOT-BC400315  Anemopsis californica Volney Rattan 1887-6-1 s.n. Los Angeles San Anthonia Comment
  RSA595783  Anisocoma acaulis R. S. Woglum 1932-4-13 s.n. Los Angeles San Fernando Valley, North Hollywood. Comment
  RSA771591  Antennaria dimorpha R. G. Swinney 2009-5-28 10976 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  UCR191303  Antennaria dimorpha R. G. Swinney 1998-7-2 6259 Los Angeles San Gabriel Mtns., NE of Table Mountain, Wrightwood area, 0.6 mi. NE of junction of roads 4N21B, 4N21A, and 4N21 2134 Comment
  CAS-BOT-BC84665  Anthemis cotula J. Ewan 1931-7-31 4771 Los Angeles Telegraph Road near Santa Fe Crossing, East Los Angeles Comment
  UCR168188  Anthriscus caucalis Joseph M. Keefe 1978-4-28 22835 Los Angeles Transverse Range: Verdugo Mtns, La Crescenta, Henderson Canyon, Mesa Lila Fire Road, 1 km west of El Lado Road, under Edison Power Line 488 Comment
  UCR95354  Anthriscus caucalis Steve Boyd 1996-4-25 8688 Los Angeles San Gabriel Mtns, Liebre Mtns, Knapp Ranch area at upper end of Castaic Creek drainage in broad valley at head of Cienega Canyon, south of Liebre Mtn 951 Comment
  RSA584501  Anthriscus caucalis T. S. Ross 1992-5-24 6410 Los Angeles Brown's Gulch: (draining to San Gabriel Canyon at the base of San Gabriel Dam) 464 Comment
  RSA191117  Antirrhinum coulterianum Robert F. Thorne, M. Z. Thorne 1967-6-25 37084 Los Angeles Between Cobal and Evey Canyons; 732 Comment
  RSA647806  Antirrhinum coulterianum LeRoy Gross, Laura Moore 2000-6-5 228 Los Angeles Verdugo Mountains: La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 579 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
  RSA0016872  Antirrhinum kelloggii John O'Leary 1979-4-7 s.n. Los Angeles Encinal Canyon; Santa Monica Mts. 335 Comment
  JEPS23723  Antirrhinum multiflorum Peter H. Raven and Henry J. Thompson 1959-9-27 14551 Los Angeles 1.0 mi e Newton Canyon (Latigo Canyon Road); Santa Monica Mountains 563 Comment
  RSA549821  Antirrhinum multiflorum Wandalee Thompson 1964-7-8 59 Los Angeles Pine Canyon Rd, 8 miles west of Elizabeth Lake, N-2 4 miles southwest of Lake Hughes. 869 Comment
  RSA156063  Antirrhinum nuttallianum subsp. subsessile Peter H. Raven 1962-5-20 17779 Los Angeles Santa Catalina Island. Near Bird Park, Avalon Comment
  SD48952  Antirrhinum nuttallianum subsp. subsessile Reid Moran 1958-9-15 6831 Los Angeles San Clemente Island, canyonside, 1.8 miles SE of Eel Point 99 Comment
  RSA337443  Antirrhinum nuttallianum subsp. subsessile Robert F. Thorne 1973-4-11 42806 Los Angeles San Clemente Island, upper part of Middle Ranch Canyon. 381 Comment
  LA34300  Apiastrum angustifolium Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA633363  Apocynum androsaemifolium L. C. Wheeler 1965-8-22 s.n. Los Angeles San Gabriel Mountains.: West Fork Devils Canyon ca. 1 mile above campground. Comment
  RSA0106571  Apocynum cannabinum R. G. Swinney 2011-6-23 15304 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
  RSA550384  Apocynum cannabinum T. S. Ross 1992-7-10 6656 Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater Canyon & Wickiup Canyon. 967 Comment
  SBBG58620  Apocynum cannabinum R. Hoffmann 1928-7-7 Los Angeles Acton Comment
  UCR176957  Apocynum cannabinum L. C. Wheeler 1967-7-30 10260 Los Angeles San Gabriel Mtns, Big Cienega Trail Canyon 1143 Comment
  CATA2872  Aptenia cordifolia Sara L. Crockett 1996-10-28 18 Los Angeles Santa Catalina Island: Casino, along walkway and perimeter of building 9 Comment
  RSA0051700  Aquilegia truncata Lee Haines 1935-6-24 s.n. Los Angeles San Gabriel Mountains. Comment
  RSA213364  Arctostaphylos catalinae Reid V. Moran 1941-2-28 651 Los Angeles Head of Johnson's Canyon, Santa Catalina Island. 400 Comment
  RSA626677  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1992-10-15 22076 Los Angeles Crystal Lake Recreation Area. San Gabriel Mtns. 1770 Comment
  RSA247421  Arctostaphylos glandulosa subsp. mollis Jack Delaini, Barbara Shervanick 1974-3-22 81 Los Angeles Lodi Canyon, San Dimas Experimental Forest 747 Comment
  RSA626832  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Melanie Baer Keeley 1992-10-15 22121 Los Angeles Glendora Ridge Rd., 7 km southwest of Baldy Rd., San Gabriel Mtns. 1410 Comment
  CAS-BOT-BC39301  Arctostaphylos glauca Peter H. Raven; Henry J. Thompson 1959-2-25 13813 Los Angeles Santa Monica Mountains, Saddle Peak, rocky outcrop just east of summit. 807 Comment
  CAS-BOT-BC39333  Arctostaphylos glauca Fordyce Grinnell 1903-12-30 89 Los Angeles Mt. Wilson Trail near Pasedena Comment
  RSA631474  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-27 15766 Los Angeles Santa Clara Divide Road (3N17), 6-7 km off Sand Canyon Road. 1000 Comment
  RSA631614  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15855 Los Angeles San Gabriel Canyon, Highway 39, 15 km north of ORV area. 1300 Comment
  RSA631621  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-27 15774 Los Angeles Santa Clara Divide Road (3N17), 6-7 km off Sand Canyon Road. 1000 Comment
  SFV2644  Arctostaphylos glauca K. A. Wilson 1961-3-11 989 Los Angeles San Gabriel Mountains San Francisquito Canyon. 1.5 miles south of Green Valley (Spunky Canyon Road). 825 Comment
  OBI79490  Arctostaphylos glauca David J. Keil 1980-3-28 13739 Los Angeles Lower Shake campground near Lake Hughes 1311 Comment
  SEINET11261653  Arctostaphylos glauca David Keil 1980-3-28 13739 Los Angeles Lower Shake campground near Lake Hughes.; 0 1311 Comment
  SEINET11993684  Arctostaphylos glauca W. Knight, Knight, I. 1986-1 6002 Los Angeles Angeles National Forest, Mill Creek Campground 1219 Comment
  SEINET12524583 Image available Arctostaphylos glauca Taylor 1961-1 438 Los Angeles Mt. San Antonion canyon (San Gabriel Range) 914 Comment
  RSA634746  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20598 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.7 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1680 Comment
  RSA635086  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20432 Los Angeles Rd to Sulpher Springs Cpgrd, N of Angeles Crest Hwy, San Gabriel Mtns. 1650 Comment
  RSA635136  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20292 Los Angeles Road to Mt. Gleason, 200 m west of Mill Creek Summit. 1490 Comment
  RSA706429  Arctostaphylos patula Tim Thibault, K. E. Olshewsky 2004-5-23 297 Los Angeles Mt. Williamson 2074 Comment
  UCR205221  Arctostaphylos patula R. G. Swinney 2005-8-26 8531 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, peak 6374, c. 1/2 mi. SW of Devils Chair 1943 Comment
  RSA668150  Arenaria macradenia var. arcuifolia Ian Swift 2001-5-17 113 Los Angeles Upper Soledad Cyn., Santa Clara River wash, 0.5 mi. southeast of Acton. 939 Comment
  SEINET7067003  Argemone munita J. L. Crane, Payam M. Fallah 2003-7-9 Mar- 83 Los Angeles Along the Angeles Crest highway (Route 2). San Gabriel Mountains. Coordinate datum: NAD27. UTM Zone 11, 421729mE, 3801839mN. Comment
  CAS-BOT-BC401704  Argemone munita subsp. munita A. D. E. Elmer 1902-6-1 3721 Los Angeles Acton Comment
  CAS-BOT-BC84969  Artemisia californica Peter H. Raven; Henry J. Thompson 1959-10-31 14727 Los Angeles Santa Monica Mountains - Mandeville Canyon 2.7 miles north of Sunset Boulevard. 259 Comment
  RSA0039390  Artemisia douglasiana R. G. Swinney 2009-11-16 11642 Los Angeles Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  UCR258597  Artemisia douglasiana R. G. Swinney 2010-8-26 13600 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  RSA703157  Artemisia dracunculus Scott D. White 2004-8-11 10711 Los Angeles San Gabriel Mountains: About 8 air miles west - northwest of Wrightwood. East of Fenner Saddle Rd. on Pacific Crest Trail. 2073 Comment
  UCR202525  Artemisia ludoviciana R. G. Swinney 2005-8-15 8484 Los Angeles Eastern San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Punchbowl Canyon 1341 Comment
  CAS-BOT-BC93700  Artemisia ludoviciana subsp. incompta C. B. Wolf 1931-10-23 2492 Los Angeles Swartout Valley, 1 mile east of Wrightwood Lodge, San Gabriel Mts. 1828 Comment
  RSA417358  Artemisia nesiotica M. B. Dunkle 1939-4-5 7276 Los Angeles Pyramid Cove, San Clemente Island. Comment
  SD66835  Artemisia nesiotica R. Mitchel Beauchamp 1967-3-17 246 Los Angeles San Clemente Island; on slope east of Wilson Cove. Comment
  POM128673  Artemisia spinescens F. W. Peirson 1927-5-7 7262 Los Angeles 3 miles east of Lancaster. Comment
  OBI81434  Artemisia tridentata R. G. Swinney 2009-11-13 11599 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert: confluence of Little Rock Creek and Carr Canyon, N of Mt. Emma Rd. 909 Comment
  RSA0021011  Artemisia tridentata Duncan S. Bell, Caitlin Elam 2013-7-11 5370 Los Angeles Sheep Mountain Wilderness; eastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1993 Comment
  CAS-BOT-BC97268  Artemisia tridentata subsp. parishii Grant 1901-7-13 4407 Los Angeles Palmdale Comment
  CATA3521  Arundo donax Julia Parish 2018-2-1 003 Los Angeles Santa Catalina Island: Channel side; Avalon; 88 Country Club Dr. 52 Comment
  RSA0104737  Asclepias eriocarpa R. G. Swinney 2009-5-28 10912 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  UCR186410  Asclepias eriocarpa T. B. Salvato, H. Spencer Badet, Mitch Provance 2007-4-26 2084 Los Angeles Tehachapi Mountains Foothills/Western Antelope Valley, outwash plain below Bronco Canyon, c. 4 mi N of Hwy 138 965 Comment
  SBBG109025  Asphodelus fistulosus S. A. Junak 1996-5-17 SCl 481 Los Angeles NE end of island, E of airfield runways, at intersection of Perimeter Rd and rd to Dolphin Bay, just S of Camera Pad "Naddo" 57 Comment
  RSA0088156  Aspidotis californica R. G. Swinney 2010-8-30 13624 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
  CAS-BOT-BC180491  Astragalus brauntonii Ernest Braunton 1907-5-7 1281 Los Angeles Sherman Comment
  CAS-BOT-BC182300  Astragalus didymocarpus var. didymocarpus Le Roy Abrams 1901-4-4 1322 Los Angeles Chatsworth Park Comment
  RSA177707  Astragalus didymocarpus var. didymocarpus R. F. Thorne, Percy C. Everett 1965-5-12 34601 Los Angeles Santa Catalina Island. Upper end of Bulrush Canyon. 305 Comment
  UCR127024  Astragalus didymocarpus var. didymocarpus Mark A. Elvin, Cathleen Weigand 2003-4-8 2460 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, ridge between Hasley and Castaic Creeks 351 Comment
  CAS-BOT-BC182582  Astragalus didymocarpus var. dispermus Lois E. James 1946-4-25 1748 Los Angeles Acton, Soledad Canyon Comment
  RSA618696  Astragalus didymocarpus var. dispermus Scott D. White, Sandy Leatherman 1998-5-19 6512 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, between 1-5 fwy./ Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  CAS-BOT-BC182835  Astragalus douglasii Le Roy Abrams 1901-4-5 1338 Los Angeles Chatsworth Park Comment
  SBBG117012  Astragalus gambelianus S. A. Junak with R. N. Philbrick 2001-5-18 SCa 1537 Los Angeles Cottonwood Cyn, just S of Cottonwood-Blackjack Rd, ca. 2.6 mi inland from mouth of cyn 256 Comment
  SFV6462  Astragalus lentiginosus var. variabilis T. Gordon, W. C. Willig, K. A. Wilson 1974-4-28 215 Los Angeles Mojave Desert Lancaster Blvd. 5 miles south of Rosamond. 710 Comment
  RSA479534  Astragalus leucolobus Steve Boyd, Laura Kopase 1987-6-8 2076 Los Angeles 5 miles WNW of Wrightwood in Cedar Canyon near jct. w/ Mescal Creek. 1524 Comment
  UC1215129  Astragalus miguelensis Peter H. Raven 1962-4-11 17259 Los Angeles on sandy beach due w Wall 2 (San Clemente Island); , w of Wall 2 6 Comment
  RSA515091  Astragalus nevinii Aaron Liston, Orlando Mistretta, Loren Rieseberg 1989-4-29 801 -1 Los Angeles San Clemente Island: Main dune area at Darter Road, NW part of the island. Comment
  UC81181  Astragalus trichopodus Blanche Trask June 1900 Los Angeles Santa Catalina Isl Comment
  UC82697  Astragalus trichopodus Blanche Trask June 1901 Los Angeles Santa Catalina Isl Comment
  UC520027  Astragalus trichopodus var. lonchus Joseph Andorfer Ewan 1932-5-19 7543 Los Angeles near Power House (Playa del Rey, deep sand along base of hills); Playa del Rey Comment
  POM1739  Astragalus trichopodus var. lonchus D. L. Crawford, Otis Hiatt 1916-3-29 572 Los Angeles Santa Monica Mountains. Comment
  RSA0107266  Astragalus trichopodus var. lonchus Steven A. Junak, Mark Hoefs, Keri Kirkland 1998-4-5 SCa- 547 Los Angeles Santa Catalina Island. Just N of road to Toyon Bay, 1.1 road miles from intersection with Airport Road. 317 Comment
  RSA415736  Astragalus trichopodus var. lonchus Grethe Markedahl, E. S. Spalding 1922-2-16 s.n Los Angeles Sentous Station, near Los Angeles. Comment
  SD45788  Astragalus trichopodus var. phoxus Darley F. Howe Los Angeles Malibu Canyon, Santa Monica Mts Comment
  POM9532  Astragalus trichopodus var. phoxus P. A. Munz, R. D. Harwood 1920-5-17 3994 Los Angeles Topango Canon [now Topanga Canyon], Santa Monica Mountains. 213 Comment
  LA210506  Astragalus trichopodus var. trichopodus T. R. Huggins; 2013-3-19 13- 21 Los Angeles Diamond Bar. On disturbed grassy hills adjacent to, and N of the 60 Fwy at its intersection with the 57 Fwy 212.0 Comment
  RSA748188  Athysanus pusillus Scott D. White, Justin M. Wood 2009-5-6 12666 Los Angeles San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  SBBG30832  Athysanus unilateralis S. Boyd with L. Lenz 2001-5-2 10421 Los Angeles St Hwy 138, base of hills at edge of W-most end of the Antelope Valley, just E of the jct with the old Ridge Rte Comment
  SEINET3929863  Atriplex amnicola Howard C. Stutz 1991-4-16 95465 Los Angeles Malibu Lagoon, Cross Creek Rd.; 0 Comment
  UCR119560  Atriplex argentea L. C. Wheeler 1968-9-16 s.n. Los Angeles Liebre Mtns, Una Lake, near Palmdale Comment
  UC1234616  Atriplex californica Peter H. Raven 1962-4-11 17254 Los Angeles on sandy beach due w Wall 2 (San Clemente Island); San Clemente Island 9 Comment
  UCR166083  Atriplex canescens subsp. linearis Dat Tien 2004-5-1 s.n. Los Angeles Western Mojave Desert, Antelope Valley, c. 9 mi NE of Littlerock and c. 4 mi west of Lake Los Angeles (housing development) 884 Comment
  UCR167219  Atriplex confertifolia S. J. Myers 2005-5-11 s.n. Los Angeles Western Mojave Desert, NE of Lancaster, SW of the intersection of Avenue H and 10th Street, 120 acre area near landing strip 720 Comment
  SDSU5515  Atriplex lentiformis R. M. Beauchamp 1967-1-29 160 Los Angeles San Clemente Island. Comment
  SD40171  Atriplex lentiformis subsp. breweri Edith A. Purer 1934-8-3 5908 Los Angeles Near Redondo. 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
  CAS-BOT-BC180903  Atriplex nummularia Carl B. Wolf 1934-6-9 5740 Los Angeles Playa del Rey, 10 m. W of Vista del Mar St. & 2.5 meters so. of no. curb of Freeman St. 30 Comment
  CATA1895  Atriplex pacifica Denise Knapp, Lauren K. Danner 2006-8-24 Los Angeles Santa Catalina Island: Bulrush Canyon, southeast of Camp Cactus Road, southwest of Hack Tower Ridge Road 207 Comment
  RSA187653  Atriplex prostrata R. F. Thorne 1966-9-14 s.n. Los Angeles Santa Catalina Island, Little Harbor 5 Comment
  RSA127772  Atriplex semibaccata P. H. Raven, H. J. Thompson 1959-6-4 s.n. Los Angeles Point Dume 12 Comment
  RSA450804  Atriplex semibaccata A. C. Sanders 1987-12-4 7440 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  UCR209318  Atriplex semibaccata A. C. Sanders 2009-11-6 37224 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  LA94372  Atriplex semibaccata Norman A. Cole; May 1964 347 Los Angeles Santa Monica Mountains, Point Mugu Beach, just W of Point Mugu, No. 10 0 Comment
  RSA0073125  Atriplex semibaccata Miller Zou, Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Sarah Ratay 2011-7-8 24 Los Angeles Santa Catalina Island. Deer Valley Trail. 62 Comment
  UCR123266  Atriplex serenana A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25489 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley 300 Comment
  RSA760676  Atriplex suberecta R. G. Swinney 2008-12-6 9978 Los Angeles Azusa, mouth of San Gabriel Canyon west of Roberts Canyon on north side of San Gabriel River channel 229 Comment
  RSA177736  Atriplex subspicata R. F. Thorne, P. Everett 1965-5-11 s.n. Los Angeles Santa Catalina Island, Little Harbor. 2 Comment
  UCR161205  Atriplex torreyi T. B. Salvato, Melissa Clemons 2005-9-27 1231 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
  SBBG80318  Atriplex watsonii F. C. Boutin 1967-4-23 11626 Los Angeles N end of island at W end of airfield runway Comment
  RSA614152  Avena barbata J. Gural 1997-3-8 19 Los Angeles Bernard Field Station of the Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard., 34 deg 06'39N, 117 deg 42'48W. 412 Comment
  SFV22134  Avena barbata V. Soza, E. Edwards, L. Gross, B. O'Brien 2000-4-25 756 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mountainway. Open, south-southwest-facing, rocky slope below trail along ridgetop. 488 Comment
  RSA649002  Avena fatua Scott Lowe 1991-4-20 10 Los Angeles San Gabriel River channel, about 100 m. south of Valley Boulevard bridge, city of El Monte. Comment
  RSA86729  Avena fatua F. W. Peirson 1918-04 1599 Los Angeles At 1085 New York Drive, Altadena Comment
  UC1483355  Baccharis glutinosa Robert F. Thorne, D. Propst, and H. Hoefs 1974-9-12 45102 Los Angeles in lower in of and near bridge over stream Cottonwood Canyon (Santa Catalina Island); , Cottonwood Canyon 30 Comment
  RSA599739  Baccharis pilularis L. C. Wheeler 1967-11-18 s.n. Los Angeles Liebre Mountain: Barrel Springs. 899 Comment
  RSA706910  Baccharis pilularis Gary D. Wallace, M. Wallace 1985-3-2 2176 Los Angeles Palos Verdes Peninsula, S of Los Angeles. N of Portugese Bend and the school on Forrestal Rd. Comment
  UCR267170  Baccharis plummerae D. E. Bramlet 2001-5-10 3142 Los Angeles Western Transverse Range; Santa Monica Mtns., Tuna Canyon, 3000 ft. east of Big Rock Dr., 2750 ft. south of Skyhawk Lane 427 Comment
  CAS-BOT-BC98154  Baccharis salicifolia Timothy S. Ross; Darin Banks 1994-4-13 7518 Los Angeles Liebre Mountains, San Francisquito Canyon: riparian strip and adjacent lower slopes ca 430 m SW of San Francisquito 487 Comment
  CAS-BOT-BC98175  Baccharis salicifolia Lewis S. Rose 1966-12-18 66113 Los Angeles Franklin Canyon, Santa Monica Mountains 335 Comment
  CHSC20910  Baccharis salicifolia Robert A. Schlising 1972-2-10 3010 Los Angeles Lopez Canyon, north of Pacoima. Comment
  SBBG108928  Baccharis salicifolia S. A. Junak 1997-4-24 SCl 871 Los Angeles flats just S of Wall Rock Cyn 198 Comment
  SDSU6389  Baccharis salicifolia subsp. salicifolia Gerald Collier 1951-5-5 M 536 Los Angeles Santa Ana Canyon, San Gabriel Mtns. About 2 miles up canyon from chantry falt trail base - along stream. Comment
  UCSB12557  Berberis nevinii Huot, J. 1961-3-25 Los Angeles Arroyo Seco, South Pasadena, 1 mile north of Pasadena freeway 304 Comment
  RSA601574  Bloomeria crocea L. C. Wheeler 1967-6-16 9845 Los Angeles San Gabriel Mountains : Sunset Ridge by Millard Canyon; north side NE of Coulter Reservoir. 640 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
  SEINET10533740  Bloomeria crocea Mildred E. Mathias 1931-5-9 Mathias 855 Los Angeles Dry slopes above the end of the public road, West Fork of San Dimas Canyon, San Gabriel Mounatins. Comment
  POM199756  Bloomeria crocea var. crocea I. W. Clokey, B. C. Templeton 1929-05 4543 Los Angeles Mandeville Canyon, Santa Monica Mountains. 500 Comment
  CAS-BOT-BC482078  Bloomeria crocea var. montana Ynez Whilton Winblad 1937-6-26 s.n. Los Angeles Ridge Route, N Los Angeles Co. Comment
  RSA674839  Boechera Scott D. White, Kent Hughes 2000-5-16 7835 Los Angeles San Gabriel Mts.: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  POM305064  Boechera californica Henry J. Ramsey 1937-1-2 355 Los Angeles Altadena. 396 Comment
  RSA643404  Boechera californica Orlando Mistretta 1993-5-20 842 Los Angeles Glendora Mountain Road, west of Cow Canyon Saddle. 1368 Comment
  RSA0129467  Boechera pulchra R. G. Swinney 1999-6-18 7309 Los Angeles San Gabriel Mtns.; Big John Flat, northern edge 1652 Comment
  UCSB27912  Boechera pulchra Kunze, G. 1971-4-17 Los Angeles 245th Street; 4.6 miles south of Avenue D; Antelope Valley 914 Comment
  RSA0025160  Boechera repanda Jane Tirrell 2012-6-19 LS 0072 Los Angeles Lily Spring; downslope from Pacific Crest Trail, approximately 0.5 mile northwest of Mt. Hawkins. 2480 Comment
  SBBG126172  Bolboschoenus maritimus A. C. Sanders with T. B. Salvato, M. Provance 2009-5-27 36963 Los Angeles confluence of San Gabriel River and Walnut Crk, between El Monte and Baldwin Park, S of I-10 Fwy and N of Valley Blvd, W of I 605 Fwy, under SCE powerlines 83 Comment
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Mar 24 2014
  SEINET8574374 Image available Bolboschoenus maritimus subsp. paludosus Frank W. Gould 1944-4-12 2280 Los Angeles Western Ave. at 131st Street, south of Los Angeles Comment
  UC874605  Bowlesia incana F. R. Fosberg 1931-3-20 S 4320 Los Angeles Santa Catalina Island, Hamilton Canyon Hamilton Canyon; Santa Catalina Island, Hamilton Canyon 25 Comment
  POM1587  Boykinia rotundifolia D. L. Crawford 1915-7-15 551 Los Angeles Palmer Canyon - Claremont. Comment
  RSA799856  Boykinia rotundifolia Monica Rodriguez, Michelle Terrazino, Naomi Fraga 2013-7-23 8 Los Angeles Glendora Ridge Road 1288 Comment
  CAS-BOT-BC126731  Brassica geniculata R. G. Swinney 2009-8-25 11498 Los Angeles Transverse Range; San Gabriel Mtns.: Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines 2061 Comment
  UCR220231  Brassica geniculata R. G. Swinney 2009-4-13 10323 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte 184 Comment
  UCR280566  Brassica geniculata R. G. Swinney 2014-5-13 16484 Los Angeles San Gabriel Mountains, Glendora, west fork of Hook Cyn., c. 0.4 km north of Sierra Madre Av., 100-300 m west of entrance to Church of the Open Door, Colby Fire burn of Jan. 2014 354 Comment
  RSA162717  Brassica juncea J. D. Olmsted 1958-5-8 128 Los Angeles Along San Antonio Creek in Balnchard Park on Pomona College Campus, Claremont near eastern boundary of Los Angeles County 366 Comment
  POM294582  Brickellia californica Lyman Benson 1945-12-10 11974 Los Angeles Mouth of Dalton Canyon. San Gabriel Mt. Ranges. 335 Comment
  UCR271210  Brickellia californica R. G. Swinney 2011-11-1 15962 Los Angeles San Gabriel Mountains, confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 671 Comment
  LA31690  Brickellia nevinii Peter H. Raven; 1959-10-25 14703 Los Angeles Santa Monica Mountains, Encinal Canyon, Mulholland Hwy, 4.4 mi NE of Pacific Coast Hwy 243 Comment
  CAS-BOT-BC149342  Bromus arizonicus John Thomas Howell 1956-3-21 31125 Los Angeles Ridge Route west of Newhall. Comment
  POM363996  Bromus berteroanus George B. Grant 1905-4-15 779 Los Angeles Pasadena. Comment
  CAS-BOT-BC149194  Bromus carinatus var. carinatus Peter H. Raven 1956-6-17 9405 Los Angeles Los Angeles. Westwood. Comment
  RSA0093470  Bromus carinatus var. marginatus Richard G. Swinney 2011-6-7 15065 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
  SEINET935026  Bromus carinatus var. marginatus Tim Ross 1992-1 6385 Los Angeles E. fork of the San Gabriel River, ca. 145 m SSE of the mouth of Shoemaker Canyon; Rancho Santa Ana Botanic Garden Comment
  RSA533473  Bromus catharticus Timothy S. Ross 1991-4-21 4568 Los Angeles Whittier Hills (Puente Hills, pro parte), Skyline Drive at the head of Turnbull. 323 Comment
  LA13814  Bromus diandrus A. M. Johnson; 1937-10-28 83 Los Angeles SANTA MONICA MOUNTAINS, Above W.P.E. near Sunset, UCLA campus. Comment
  RSA12271  Bromus diandrus C. B. Wolf 1934-4-11 5645 Los Angeles Bryant Ranch. E. of Long Beach. 2 Comment
  SBBG105371  Bromus diandrus R. M. Beauchamp 1976-5-22 4140 Los Angeles S side of Eel Pt Cyn 21 Comment
  SEINET3922291  Bromus diandrus Kelly Middleton, Kelly Middleton 1988-5-8 40 Los Angeles Glendora Ridge Roas, 5.7 miles west of Mt. Baldy Rd. intersection.; 0 1219 Comment
  UCR186929  Bromus diandrus A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32025 Los Angeles Tehachapi Mtns. Foothills, west end of Antelope Valley, north of Hwy 138 near mouth of Tentrock Canyon, c. 1 mile NW of La Liebre Ranch (High Desert Hunt Club) buildings 945 Comment
  UCR126854  Bromus grandis A. C. Sanders, Mark A. Elvin 2003-6-18 26960 Los Angeles Santa Susana Mountains, Western Transverse Range, private dirt road along crest of range, above Salt Canyon 976 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
  SEINET269291 Image available Bromus hordeaceus subsp. molliformis Scott D. White, Chet McGaugh 1995-5-9 3002 Los Angeles East edge of Santa Susana Mountains just west of San Gabriel Mountains 'Sunshine Canyon': west of San Fernando Road and I-5 Fwy, just SW of interchange w/SR 14. Sunshine Canyon landfill property 457 Comment
  POM20730  Bromus rubens P. A. Munz 1923-4-10 6753 Los Angeles San Clemente Island, middle of island Comment
  RSA594983  Bromus rubens Mark Hoefs, R. F. Thorne 1992-4-1 1735 Los Angeles Santa Catalina Island: past isthmus, just before Emerald Bay. 15 Comment
  SEINET3923580  Bromus tectorum Louis C. Wheeler 1967-5-15 9552 Los Angeles San GABRIEL MOUNTAINS: Fremont Pass, north side.; 0 541 Comment
  SEINET239043 Image available Bromus trinii A. C. Sanders, D. Maueg; K. D. Jones 1998-6-22 21990 Los Angeles San Gabriel Mountains; Soledad Pass area at north foot of mtns. ca. 5 miles SW of Palmdale along SCE Mesa-Vincent Subs 1000 Comment
  RSA792016  Calocedrus decurrens Jane Tirrell 2012-8-20 LS 0161 Los Angeles Transverse Ranges; San Gabriel Mountains region: Little Jimmy Springs. 2259 Comment
  UCSB16196  Calocedrus decurrens Gerhart, Janet 1963-4-6 Los Angeles At Vincent Gap, 6 miles west of Big Pines on State Highway 2 1950 Comment
  RSA377244  Calochortus albus Louis E. Hoffman 1931-5-18 s.n. Los Angeles Big Santa Anita Canyon. Comment
  LA22304  Calochortus albus Flora Murray Scott; May 1926 sn Los Angeles Santa Monica Mountains, Malibu Ranch Comment
  CAS-BOT-BC132275  Calochortus catalinae John H. Thomas 1957-4-27 6684 Los Angeles Santa Monica Mountains, west side of mouth of Latigo Canyon, about 3 miles northwest of Pt. Dume, 15 miles due west of Santa Monica 152 Comment
  RSA592027  Calochortus catalinae Mark Hoefs, Doug Propst 1973-5-4 233 Los Angeles Santa Catalina Island: lower Middle Canyon, at Camp Cactus turn off 145 Comment
  RSA680328  Calochortus clavatus Scott D. White, Michael Honer, Dylan Hannon 2003-6-25 9607 Los Angeles Tapia Canyon area, ca. 2 - 3 air miles west of I-5 jtn. w/ Ridge Rt. Rd. 396 Comment
  RSA726011  Calochortus clavatus A. C. Sanders, Tricia Wotipka, Mark Elvin, et al. 2003-4-28 26132 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 488 Comment
  SBBG124789  Calochortus clavatus var. gracilis A. Parikh, N. Gale 2010-4-22 2157 Los Angeles Newhall Ranch, Long Cyn, 1.5 km N of Potrero Cyn, 1.5 km S of Del Valle 333 Comment
  RSA230726  Calochortus invenustus Robert F. Thorne, Mae Z. Thorne 1969-7-9 38570 Los Angeles San Gabriel Mountains, Angeles National Forest: meadow at Big Pines 2088 Comment
  RSA702610  Calochortus invenustus Tim Thibault, Bryan Tutt, Dolores Gault 2004-6-18 317 Los Angeles Mt. Williamson 2090 Comment
  UCR187136  Calochortus kennedyi A. C. Sanders 2006-5-16 32308 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
  RSA590656  Calochortus kennedyi var. kennedyi Timothy S. Ross, Steve Boyd 1990-6-1 2787 Los Angeles San Gabriel Mountains, Lower Moody Canyon: 1.9 (road) miles N of Magnetic Springs along Moody Truck Road 957 Comment
  UCR191264  Calochortus palmeri R. G. Swinney 1998-7-2 6203 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  RSA628580  Calochortus plummerae Louis C. Wheeler 1967-7-18 10099 Los Angeles San Gabriel Mountains, Angeles National Forest: Vicinity of Yerba Buena Spring, Gold Creek off Little Tujunga. Comment
  UC648378  Calochortus plummerae Marion Ownbey and Ruth P. Ownbey 1938-6-27 1666 Los Angeles mouth of Los Alisos Canyon Santa Monica Mts., Los Alisos Canyon Comment
  POM246474  Calochortus splendens F. R. Fosberg 1931-5-7 S- 4844 Los Angeles Sweetwater Canyon, Santa Catalina Island. 160 Comment
  RSA702541  Calystegia Scott D. White 2004-5-5 10289 Los Angeles Liebre Mountains: Bald Mtn. area, west of Old Ridge Route. 1280 Comment
  POM50662  Calystegia longipes A. D. E. Elmer 1902-07 3603 Los Angeles Acton, Mt. Gleason. San Gabriel Mountains Comment
  UC1123596  Calystegia longipes A. Simontacchi 1935-5-26 53 Los Angeles 3 mi SSE Neenach Comment
  SD143947  Calystegia macrostegia Scott D. White 1997-3-12 4763 Los Angeles Santa Monica Mountains, northwest of Zuma Beach. 299 Comment
  RSA702168  Calystegia macrostegia subsp. arida Michael Honer 2004-6-22 2011 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon andHog Back. 854 Comment
  SD113573  Calystegia macrostegia subsp. cyclostegia Darley F. Howe 1915-4-1 31 Los Angeles Claremont Comment
  RSA649801  Calystegia macrostegia subsp. intermedia Matt Brooks 1988-5-1 21 Los Angeles Whittier, Skyline Equestrian trail 1.0 miles south of its intersection with Turnbull Canyon Rd. Comment
  RSA715199  Camissonia Gary D. Wallace, M. Wallace, Z. Wallace 1982-4-24 1932 Los Angeles West of Palmdale, south end of Munz Ranch road. Comment
  POM3211  Camissonia bistorta George B. Grant 1903-05 s.n. Los Angeles Garvanza. Comment
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Nov 25 2011
  RSA0058202  Camissonia californica Richard G. Swinney 2010-10-15 14052 Los Angeles San Gabriel Mountains/Verdugo Mountains: Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace. 335 Comment
  RSA244397  Camissonia californica Robin S. Collins 1973-4-9 229 Los Angeles San Gabriel Mountains, Angeles National Forest, Trail Canyon, near trail ca. 1/2 mile from its start. 609 Comment
  UCR193572  Camissonia campestris R. G. Swinney 1999-4-5 7050 Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 0.6 mi. south of Ft. Tejon Rd. (Ave. Y) on 213th St. East 1207 Comment
  OBI70949  Camissonia campestris subsp. campestris Steve Boyd, Lauren Raz 1997-3-25 9250 Los Angeles Liebre Mts Region. Extreme NW corner of range in Peace Valley, small side cyn just E of I-5 off Copco Rd 951 Comment
  RSA144784  Camissonia campestris subsp. campestris E. G. Linsley, J. W. McSwain 1960-5-3 60 -41 Los Angeles Along state Highway 138, 0.5 miles east of Gorman-Lancaster junction. Comment
  RSA186791  Camissonia campestris subsp. campestris Peter H. Raven 1959-4-13 13994 Los Angeles Mojave Desert, 1 miles W of Little Rock Comment
  RSA454724  Camissonia campestris subsp. campestris N. C. Cooper 1949-4-19 3607 Los Angeles Mojave Desert, Lancaster. 762 Comment
  POM9032  Camissonia campestris subsp. campestris W. R. Dudley, F. H. Lamb 1896-6-9 4366 Los Angeles Kings Canyon, Liebre Mts. Comment
  RSA0016976  Camissonia campestris subsp. campestris E. R. 1934-3-28 s.n. Los Angeles West end of Antelope Valley. Comment
  RSA503385  Camissonia cheiranthifolia subsp. suffruticosa Gary D. Wallace, D. Wilken 1966-3-18 168 Los Angeles On the coast at West Beach, Point Dume, just west of Malibu along Hwy 1. Comment
  RSA652373  Camissonia cheiranthifolia subsp. suffruticosa G. F. Orr 1956-3-3 s.n. Los Angeles El Segundo. Comment
  RSA449207  Camissonia claviformis subsp. claviformis George B. Grant 1906-4-20 6798 Los Angeles Palmdale, Mojave Desert. Comment
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Sep 4 2011
  RSA660128  Camissonia confusa Orlando Mistretta 1992-6-12 538 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  UCR185599  Camissonia graciliflora A. C. Sanders 2007-4-25 33584 Los Angeles Tehachapi Mtns., Oso Canyon, 0.75 mi. SE of the Kern Co. line along Oso Cyn. Rd. 1143 Comment
  UCR155598  Camissonia hirtella A. C. Sanders, T. B. Salvato 2005-4-26 29698 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa 671 Comment
  RSA647945  Camissonia intermedia Michelle Manolovitz, Brian Manolovitz 1992-5-19 27 Los Angeles Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 400 feet north of park office. Comment
  RSA249779  Camissonia pallida subsp. pallida Robert F. Thorne 1973-5-11 43475 Los Angeles San Gabriel Mts., Mojave Desert slope: 1/4-1/2 mi N of Bob s Gap, N slope of Holcomb Ridge, c. 2 1/2 mi due S of Llano, in sandy wash 1159 Comment
  SFV13340  Camissoniopsis bistorta M. J. Thor 1983-4-8 157 Los Angeles Los Angeles Basin Playa del Rey, Ballona Wetlands. 2 Comment
  UC172331  Camissoniopsis bistorta Katharine Brandegee Los Angeles Saugus Comment
  LA200692  Camissoniopsis cheiranthifolia subsp. suffruticosa Harlan Lewis; 1940-4-3 1278 Los Angeles Santa Monica Mountains, 10 mi. N of Malibu Beach Comment
  UCD103466  Camissoniopsis hirtella A. C. Sanders; Helen Kennedy 2005-4-13 29409 Los Angeles Western San Gabriel/Liebre Mountains Region. Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  UC934050  Camissoniopsis hirtella H. L. Cogswell 1951-5-3 74 Los Angeles Plot 5 San Gabriel Mountains, Bell Canyon (Sec. D3-4, ssw-sw facing slope on w side of canyon (Watershed 4)) 944 Comment
  LA91488  Camissoniopsis intermedia Bruce Douglas Clayton; Greg Shaw 1972-4-11 89 Los Angeles SANTA MONICA MOUNTAINS, Nettleburn Creek Canyon, Mountain Park Research Campus, at head of canyon. 585 Comment
  UC10290  Capsella bursa-pastoris W. H. Brewer Feb. 1861 170 Los Angeles San Gabriel Comment
  UCR125427  Capsella bursa-pastoris A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25712 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
  UCR127399  Capsella bursa-pastoris A. C. Sanders, Mark Elvin, , Cathleen Weigand, M. S. Enright, Julie M. Vanderwier 2002-8-8 25565 Los Angeles Santa Clara River Valley, north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur 274 Comment
  RSA608610  Capsella bursa-pastoris L. C. Wheeler 1974-4-14 s.n. Los Angeles San Gabriel Mountains: Wildwood Ranch, Shuler Canyon. 412 Comment
  RSA724801  Cardamine californica K. Dobry 1991-3-23 d- 810 Los Angeles Santa Monica Mts. Cold Creek Cyn Montifish Prop Comment
  RSA66112  Cardamine californica var. californica F. W. Peirson 1919-1-5 265 Los Angeles Sawpit Canyon or Monrovia Canyon. 579 Comment
  RSA66105  Cardamine oligosperma L. C. Wheeler 1934-3-23 2464 Los Angeles San Dimas Canyon 426 Comment
  UCSB46756  Cardamine oligosperma Roos, Alfred 1958-6-16 Los Angeles Evans & Reeves Nursery, Brentwood, West Los Angeles Comment
  RSA645581  Cardaria pubescens A. C. Sanders, E. J. Lott 1993-5-6 13969 Los Angeles Mojave Desert: 13 miles N of Palmdale, Sierra Hwy at Ave F ., [UTM 10km cell: LJ-9E, 4N. Sterks Ranch] 701 Comment
  RSA89049  Carduus nutans George W. Garrettson 1954-7-9 s.n. Los Angeles Rancho San Vicente at La Puente and Lemon Streets, Walnut. Comment
  UCR209425  Carex R. G. Swinney 2008-9-13 9454 Los Angeles San Gabriel Mtns., Buckhorn Canyon waterfall, 0.4 mi. north of Burkhart Trail parking lot 1893 Comment
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Sep 12 2018
  UCSB584  Carex K. Beach 1943-5-3 1837 Los Angeles OFF SAN ANTONIO CANYON FERN CANYON (SAN DIMAS EXPERIMENTAL FOREST STATION; N OF CUCUMONGA) 1249 Comment
  RSA596810  Carex alma Timothy S. Ross, J. Mark Porter 1995-5-4 8487 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  UCR168038  Carex alma A. C. Sanders, Mark A. Elvin 2002-6-19 25147 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  RSA729709  Carex douglasii R. G. Swinney 1999-6-18 7331 Los Angeles San Gabriel Mtns.: Boulder Canyon north of Big John Flat. 1573 Comment
  SD134571  Carex douglasii Craig Reiser 1990-5-17 Los Angeles Ritter Ranch, Palmdale Comment
  RSA762706  Carex fracta R. G. Swinney 2008-7-24 9337 Los Angeles Waterman Mountain, ski runway on east-facing slope 2390 Comment
  SD230105  Carex hassei Louis C. Wheeler 1970-9-10 Los Angeles San Gabriel Mountains: South Fork Alder Gulch. 1676 Comment
  SEINET7568456 Image available Carex multicaulis Unknown 1904-5-17 138 /6223 Los Angeles Mt. Wilson. 1524 Comment
  RSA640227  Carex pellita L. C. Wheeler 1973-7-15 s.n. Los Angeles San Gabriel Mountains: Graveyard Canyon, second side canyon. Comment
  UCR29126  Carex praegracilis A. C. Sanders, Nancy Smith, K. R. Neisess 1980-6-4 1551 Los Angeles Peace Valley, c. 3 mi SE of Gorman on the Old Gorman Post Road Comment
  UC1109364  Carex praegracilis Peter H. Raven 1962-7-11 18005 Los Angeles upper reaches of first canyon s Lemon Tank; San Clemente Island Comment
  UCR223161  Carex senta R. G. Swinney 2009-5-27 10898 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  UCR168189  Carex spissa Joseph M. Keefe 1977-6-10 22072 Los Angeles Transverse Ranges; San Gabriel Mountains, Northern Verdugo Mountains; 1 km south of La Tuna Canyon Road on Fire Break Road West, Sun Valley 460 Comment
  SEINET3908417  Carex subfusca Victor Duran 1933-7-21 3524 Los Angeles Buckhorn, San Gabriel Mountains, Los Angeles County.; 0 1981 Comment
  RSA190964  Carex triquetra Robert F. Thorne, R. C. Rollins, D. Propst, R. Carolin 1967-3-18 s.n. Los Angeles Santa Catalina Island: lower end Bullrush Canyon 183 Comment
  RSA90853  Carex triquetra Joseph A. Ewan 1930-4-10 2368 Los Angeles Canyon Mulholland Drive west of Beverly Glen, Santa Monica Mountains. Comment
  UCR45206  Carissa grandiflora A. C. Sanders 1986-7-30 6836 Los Angeles Pacific Slope, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr., east of Vista Del Mar Blvd 31 Comment
  CAS-BOT-BC32573  Castilleja affinis LeRoy Abrams 1901-4-6 1368 Los Angeles Big Tujunga Wash Comment
  RSA425858  Castilleja affinis F. R. Fosberg 1931-3-25 S- 4362 Los Angeles Santa Catalina Island. Hamilton Canyon near Avalon. 10 Comment
  UCR157910  Castilleja affinis Robert J. Steers 2005-5-8 12 Los Angeles South Coast, Palos Verdes Peninsula: on primarily south-facing hillside that is 200 ft west of Pirate Dr. along the north side of Forrestal Dr 183 Comment
  UCSB21076  Castilleja affinis subsp. affinis Nitta, E. 1967-5-19 Los Angeles On south side of Bouquet Canyon Rd; 23 mi. east of jct. with Henry Way; San Gabriel Mtns 990 Comment
  UCR194612  Castilleja applegatei R. G. Swinney 1998-8-13 6752 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  RSA654204  Castilleja applegatei subsp. martinii Kelly Middleton, David Middleton 1988-5-8 4 Los Angeles Glendora Ridge Road, 4.4 miles west of Mt Baldy Road intersection. 1220 Comment
  UC1611562  Castilleja applegatei subsp. martinii Tim Ross, Orlando Mistretta, Alex Quici 1990-6-28 3990 Los Angeles s and sw of Liebre Mtn., West Summit, and ridge to its west ((West Summit here construed as the 5605 ft knoll near the intersection of sections 3,4,9.10)); Liebre Mountains, Liebre Mtn. 7.5' U.S.G.S. Quad. 1389 Comment
  RSA188541  Castilleja applegatei subsp. martinii Robert F. Thorne, John Olmsted 1965-8-26 35407 Los Angeles San Gabriel Mtns, Angeles National Forest: Cabin Flat along Prairie Fork, 1585 Comment
  RSA81463  Castilleja applegatei subsp. martinii F. W. Peirson 1922-7-6 3182 Los Angeles Covering large areas of Blue Ridge, east end of San Gabriel Mts. near line between Los Angeles and San Bernardino counties. 2439 Comment
  LA82062  Castilleja exserta subsp. exserta O. H. Kappler; 1944-3-26 558 Los Angeles 9 Comment
  IRVC27854  Castilleja foliolosa A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26111 Los Angeles Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam Western San Gabriel Mtns. 488 Comment
  JEPS86561  Castilleja foliolosa Roy E. Buck 1988-5-25 905 Los Angeles 0.3 rd mi n Three Points (e side of Three Points road, 0.6 air km ne of confluence of Oakdale Canyon and Pratt Canyon drainages, 26 air km n of Castaic) 1036 Comment
  UCR147773  Castilleja foliolosa Valerie Soza, Et al. 2000-6-29 1047 Los Angeles Liebre Mountains, Alongside FS Road 7N22.1, between Cold Canyon and Castaic Creek, 1.6 mi SE of jct. of road to summit of Liebre Mountain (FSR 7N23) and road to Kanpp Ranch (FSR 7N22.1) 1189 Comment
  POM50220  Castilleja foliolosa L. R. Abrams 1901-4-5 1367 Los Angeles San Fernando Mts. Comment
  RSA400563  Castilleja foliolosa Francis W. Pennell, Harvey Anderson 1940-4-30 25301 Los Angeles Crevices of sanstone, 2300 ft. West of Topanga. 701 Comment
  SEINET10942981 Image available Castilleja gleasoni Adolph D. E. Elmer Elmer 3659 Los Angeles Acton. Comment
  SD136135  Castilleja grisea Mark Elvin, Gery Allan 1995-5-21 18 Los Angeles San Clemente Island: W side of island, in S branch of Horse Beach Canyon on lower terrace Comment
  RSA330770  Castilleja miniata subsp. miniata Wayne E. Sawyer 1981-8-11 122 Los Angeles San Gabriel Mountains, Angeles National Forest: CA Highway 2 between Dawson Saddle and junction of CA Highway 39, 1.8 miles from Dawson Saddle. 2287 Comment
  SBBG72126  Caulanthus heterophyllus M. N. Ackley -Feb-1928 147 Los Angeles Eagle Rock (cf. var. pseudosimulans Buck, nom. illegit.) Comment
  RSA66752  Caulanthus heterophyllus var. heterophyllus F. W. Peirson 1919-3-17 4186 Los Angeles Hills west of Arroyo Seco, Pasadena 426 Comment
  UCR194090  Caulanthus lasiophyllus A. C. Sanders 2008-4-25 35118 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
  RSA305374  Ceanothus arboreus D. C. Michener, John Dourley, B. Haner, D. Pettys, M. Hoefs 1983-6-6 4291 Los Angeles Santa Catalina Island. Cut along main road from Avalon to airport. 2.3 miles from airport. Comment
  SDSU10287  Ceanothus arboreus D. F. Howe 1953-5-2 2271 Los Angeles Head of Wain Canyon., Catalina Island. Comment
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Jun 10 2014
  LA41971  Ceanothus cordulatus Carl Epling; Nesta Dunn, Alice Goen 1931-5-16 sn Los Angeles San Gabriel Mountains, Big Pines Camp Comment
  UCR209892  Ceanothus cordulatus R. G. Swinney 2008-7-24 9269 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  RSA398857  Ceanothus crassifolius Bonnie C. Templeton 1931-4-8 s.n. Los Angeles Below 'Big Pines Camp'. Comment
  RSA398870  Ceanothus crassifolius Robin S. Collins 1973-4-9 232 Los Angeles Angeles National Forest, San Gabriel Mounts: Trail Canyon. 610 Comment
  RSA581011  Ceanothus crassifolius Jamie Kneitel 1994-4-28 38 Los Angeles San Gabriel Mountains: Dexter Park 610 Comment
  RSA601948  Ceanothus crassifolius Louis C. Wheeler 1933-6-19 1866 Los Angeles Claremont. 381 Comment
  RSA724572  Ceanothus crassifolius K. Dobry 1991-6-27 d- 798 Los Angeles Santa Monica Mts. 1 mi E. of Las Virgenes Rd off Mulholland Hwy. at Soka Univ. NE section. Comment
  RSA399013  Ceanothus cuneatus Howard Mullins 1931-2-25 s.n. Los Angeles Griffith Park. Comment
  RSA599482  Ceanothus cuneatus var. cuneatus Steve Boyd, Lauren Raz 1997-3-26 9346 Los Angeles Liebre Mountains region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 976 Comment
  SD72254  Ceanothus greggii var. perplexans Jeannette L. Huber 1969-5-25 974 Los Angeles Chilao, 1 mile north of Chilao Fire Station, San Gabriel Mountains 1524 Comment
  CAS-BOT-BC50846  Ceanothus insularis Reid Moran 1941-3-5 679 Los Angeles Santa Catalina Island - Salta Verde Comment
  JEPS42311  Ceanothus integerrimus J. R. Hall 1917-5-28 4 -H Los Angeles near Elizabeth Lake; Santa Barbara Forest 914 Comment
  CAS-BOT-BC50570  Ceanothus leucodermis Ernest C. Twisselmann 1959-6-2 5327 Los Angeles Summit of Liebre Mountain 1706 Comment
  RSA399006  Ceanothus leucodermis H. E. Hasse, Anstruther Davidson 1906-6-1 1503 Los Angeles Big Rock Creek. 1524 Comment
  RSA771841  Ceanothus leucodermis R. G. Swinney 2009-5-28 10939 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  UCSB36660  Ceanothus leucodermis Brownell, Kathleen 1980-5-18 Los Angeles 3 mi. N of Hwy 83 on Mt. Baldy Rd.; San Gabriel Mtns.; Angeles National Forest 1127 Comment
  SJSU15122  Ceanothus megacarpus C. L. Schmidt 1987-4-13 1070 Los Angeles near coast, Santa Monica Mts Comment
  UCR124622  Ceanothus megacarpus I. W. Clokey, B. C. Templeton 1929-1 4508 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  HSC79119  Ceanothus megacarpus subsp. insularis James Henrickson Jan 1973 8121 Los Angeles 2 air miles WNW of Avalon. Comment
  CAS-BOT-BC50478  Ceanothus oliganthus Joseph Andorfer Ewan 1933-5-16 10852 Los Angeles San Gabriel Mts. - Little Santa Anita Canyon Comment
  CAS-BOT-BC50480  Ceanothus oliganthus Carl B. Wolf 1941-8-2 11134 Los Angeles Liebre Mts., Ridge Route Rd. 2.7 mi. S. Frenchman Flats Forest Service Camp 822 Comment
  CAS-BOT-BC50488  Ceanothus oliganthus Brandegee 1889-5-1 31 Los Angeles Pasadena Comment
  SBBG22036  Ceanothus oliganthus var. oliganthus R. F. Thorne 1964-1-25 34055 Los Angeles Chantry Flats N of Sierra Madre 762 Comment
  UC50448  Ceanothus oliganthus var. oliganthus H. M. Hall Apr 1903 3743 Los Angeles Arroyo Seco Comment
  UC574961  Ceanothus oliganthus var. oliganthus Carl Epling, R. Fowler, K. Kneen April 1933 Los Angeles Boney Ridge Santa Monica Mts. Comment
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Nov 11 2014
  RSA733386  Ceanothus pauciflorus R. G. Swinney 2001-6-16 7984 Los Angeles Mojave Desert: Juniper Hills, top of Pleasant View Ridge, south of intersection of 104th St. E and Juniper hills Rd. 2006 Comment
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Aug 6 2013
  CLARK-A1528-3900  Ceanothus spinosus John C. Roos 1942-3-14 997 Los Angeles Santa Monica Mountains Comment
  RSA127917  Ceanothus spinosus Peter H. Raven, H. J. Thompson 1959-5-5 14140 Los Angeles Mulholland Hwy, 1mile W of Las Virgenes Road, Malibu Creek drainage. 366 Comment
  RSA545317  Ceanothus spinosus Tim S. Ross, Mathew Bell 1992-3-22 6054 Los Angeles Santa Monica Mountains; W side of Yerba Buena Road ca. 360m NNW of intersection with Mullholand Hwy. 488 Comment
  SJSU14046  Ceanothus spinosus C. L. Schmidt 1987-4-13 1168 Los Angeles Old Topanga Canyon Rd, Santa Monica Mts c. 1 mi S of Mulholland Hwy 457 Comment
  UC219153  Ceanothus spinosus P. A. Munz, R. D. Harwood 1920-5-15 3950 Los Angeles Sepulveda Canyon Santa Monica Mts., Sepulveda Canyon 243 Comment
  RSA719491  Centaurea melitensis Gary Kovnat, LeRoy Gross 2003-6-28 45 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. Comment
  SBBG105359  Centaurea melitensis H. L. Ferguson 1979-6-11 3 Los Angeles San Clemente Island 215 Comment
  CAS-BOT-BC272065  Centaurea melitensis C. W. Tilforth 1969-5-31 197 Los Angeles 1/2 mile east of intersection of Colima Ave. and Punta del Este St. norht of Whittier Comment
  UC126900  Centaurium venustum H. M. Hall and H. P. Chandler 1906-6-13 7408 Los Angeles Fernando Valley 300 Comment
  RSA725207  Centrostegia thurberi Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -56 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
  SBBG62324  Centrostegia thurberi R. Hoffmann 1929-5-20 Los Angeles Harold Comment
  POM50849  Centrostegia thurberi A. D. E. Elmer 1902-06 3679 Los Angeles Acton. Comment
  CDA3346  Cerastium glomeratum T. C. Fuller 1962-4-1 8175 Los Angeles Bank of San Dimas Canyon wash, 1.6 miles north of Foothill Boulevard, San Dimas. 0 Comment
  SEINET12161223  Ceratonia siliqua Unknown 1944-1 s.n. Los Angeles Claremont Comment
  UCR124463  Cercocarpus betuloides I. W. Clokey, B. C. Templeton 1929-1 4596 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 300 Comment
  CAS-BOT-BC142147  Cercocarpus betuloides var. betuloides John I. Carlson 1918-4-24 s.n. Los Angeles Hollywood Comment
  RSA517147  Cercocarpus betuloides var. betuloides Tim S. Ross, Steve D. Boyd 1990-5-14 2481 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1116 Comment
  RSA649651  Cercocarpus betuloides var. betuloides Michael Horn 1991-4-30 10 Los Angeles San Gabriel Mountains. Take dirt road 4N06 2 1/2 miles north of Hwy CN4 to reservoir. East 1/8 mile on unnamed dirt road to site. 1463 Comment
  CAS-BOT-BC137245  Cercocarpus betuloides var. blancheae H. E. McMinn 1924-7-25 1324 Los Angeles Catalina Island Comment
  RSA0042318  Cercocarpus betuloides var. blancheae Benjamin E Carter, John R. Clark 2012-8-9 6962 Los Angeles Channel Islands: Santa Catalina Island. Bulrush Canyon, between reservoirs and Salta Verde turnoff. 270 Comment
  UCR206260  Cercocarpus ledifolius R. G. Swinney 2008-6-10 8989 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1943 Comment
  LA200181  Chaenactis artemisiifolia W. O. Griesel; 1936-4-19 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  UCR271825  Chaenactis artemisiifolia R. G. Swinney 2010-3-24 12100 Los Angeles San Gabriel Mountains, Pacoima area, Lopez Canyon, 1.7 miles west of Kagel Canyon on Lopez Cyn. Rd., to 300 meters east of road on E-W running ridge 503 Comment
  UCD130220  Chaenactis artemisiifolia Robert F. Thorne; C. W. Tilforth 1971-6-17 39957 Los Angeles San Gabriel Mountains, Angeles National Forest. 2 miles up Lower Tujunga Road from Forestry Headquarters. Little Tujunga Creek. 457 Comment
  UCR194039  Chaenactis fremontii R. G. Swinney 1999-6-5 7262 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  UCR205901  Chaenactis fremontii R. G. Swinney 2008-5-8 8823 A Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  UCR126595  Chaenactis glabriuscula A. C. Sanders 2003-4-16 26029 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
  CAS-BOT-BC277330  Chaenactis glabriuscula var. glabriuscula John Thomas Howell 1930-5-12 4877 Los Angeles 1 mile north of Acton Comment
  CAS-BOT-BC277378  Chaenactis glabriuscula var. glabriuscula S. B. Parish 1918-6-5 11866 Los Angeles Playa del Rey Comment
  JEPS8818  Chaenactis glabriuscula var. glabriuscula W. L. Jepson 1935-4-17 17058 Los Angeles Portal Ridge Comment
  RSA16274  Chaenactis glabriuscula var. glabriuscula C. B. Wolf 1935-5-23 6995 Los Angeles Liebre Mts. 1/2 mile east of Gorman. 1159 Comment
  UC63010  Chaenactis glabriuscula var. glabriuscula H. M. Hall May 1 1902-May 3 1902 3047 Los Angeles vicinity of Elizabeth Lake; Antelope Valley 792 Comment
  UCR259892  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-6-1 13077 Los Angeles San Gabriel Mountains, Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1098 Comment
  SBBG45508  Chaenactis glabriuscula var. glabriuscula Leota Davidson -Mar-1966 309 Los Angeles ca. 1 mi back from head of Tick Cyn off Soledad Cyn Rd Comment
  POM11350  Chaenactis glabriuscula var. lanosa F. L. Robinson 1921-4-15 29 Los Angeles North of Claremont. Comment
  POM351745  Chaenactis glabriuscula var. lanosa L. E. Hoffman 1926-3-18 s.n. Los Angeles Arroyo Seco river. Comment
  RSA641680  Chaenactis santolinoides Orlando Mistretta 1993-6-2 847 Los Angeles San Gabriel Mountains: Viscinity of Mt. Baden Powell. Near Vincent Gap, north slope of Mt. Baden Powell above Vincent Gulch. 2042 Comment
  RSA642039  Chaenactis santolinoides Orlando Mistretta 1993-6-28 907 Los Angeles San Gabriel Mountains: Angeles National Forest. Table Mountain; Sunrise ski area. Comment
  UC63160  Chaenactis stevioides H. M. Hall 1902-4-1 3033 Los Angeles near Palmdale; Antelope Valley Comment
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Dec 21 2006
  RSA755964  Chaenactis stevioides Orlando Mistretta, Christine Mistretta 2008-4-4 2315 Los Angeles North of State Hwy 14 along Southern California Edison Transmission Line in the vicinity of Peaceful Valley Road (Segment 5, structure 54 per TRTP survey; 2008) 1341 Comment
  UCR3285  Chaenactis xantiana Vernon M. Stern 1964-4-2 640402- 05 Los Angeles Beside State Hwy 138 just east of junction with U.S. Hwy 99 near Gorman 1006 Comment
  SD121565  Chaenactis xantiana Michael Curto, Linda Allen 1987-3-24 Los Angeles Western slope of Saddleback Butte in Joshua Tree woodland, Saddleback Butte State Park, High Vista Quad. 790 Comment
  SEINET11860938  Chaenactis xantiana H. M. Hall 1902-1 3073 Los Angeles Antelope Valley, vicinity of Elizabeth Lake 1067 Comment
  HSC7983  Chamaesyce albomarginata C. S. Apperson 1967-6-3 Los Angeles 12 mi. W on Ave. D off of the Sierra Hwy. 762 Comment
  SFV10350  Chamaesyce albomarginata M. L. Vincent 1963-5-22 354 Los Angeles Santa Monica Mountains Intersection of Old Topanga Canyon Road and Mulholland Highway, 0.5 miles off road. Comment
  RSA432392  Chamaesyce melanadenia L. C. Wheeler 1936-7-3 4211 Los Angeles Bailey Canyon 396 Comment
  RSA498532  Chamaesyce melanadenia Joseph A. Ewan 1933-04 10910 Los Angeles Higgins Canyon. Santa Monica Mts. 457 Comment
  RSA638182  Chamaesyce melanadenia L. C. Wheeler 1969-3-9 s.n. Los Angeles San Gabriel Mountains: Ridge between mouth of Big & Little Dalton Canyon. 350 Comment
  LA32393  Chamaesyce serpyllifolia Peter H. Raven; Henry J. Thompson 1959-10-14 14628 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, E end of lake 220 Comment
  CAS-BOT-BC70016  Cheilanthes covillei John Thomas Howell 1928-2-11 3344 Los Angeles along trail from Haines Canyon to Mt. Lukens, San Gabriel Mts. Comment
  UC1063756  Cheilanthes covillei Jerome S. Horton 1937-6-10 460 Los Angeles near Shelter House at Fern Canyon Dam; Pomona Quadrangle Comment
  UC399606  Cheilanthes covillei George B. Grant and Walter Wheeler 1904-5-17 6264 Los Angeles Mt Wilson 1524 Comment
  UCR272615  Cheilanthes covillei R. G. Swinney 2011-10-27 15905 Los Angeles San Gabriel Mountains, West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream 649 Comment
  POM892  Cheilanthes newberryi C. F. Baker 1904-5-6 4733 Los Angeles Hills near Pomona Comment
  RSA781820  Chenopodium R. G. Swinney 2009-8-25 11486 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  UCR223802  Chenopodium R. G. Swinney 2009-8-25 11488 Los Angeles Transverse Range; San Gabriel Mtns., Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  RSA423406  Chenopodium ambrosioides Freda Detmers 1930-1-18 s.n. Los Angeles In vacant lot, Verdugo Village Comment
  LA50753  Chenopodium ambrosioides A. M. Johnson; 1934-9-15 4534 Los Angeles 15 Comment
  RSA594194  Chenopodium berlandieri Steve Boyd, Lauren Raz 1996-10-14 9052 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
  RSA738047  Chenopodium berlandieri Serena Light 1966-5-31 s.n. Los Angeles San Rafael Hills Comment
  UC7270  Chenopodium berlandieri J. Burtt Davy Oct., 1896 2768 Los Angeles Santa Monica Comment
  UCD151063  Chenopodium berlandieri Nancy Hamlett 2014-7-3 s.n. Los Angeles San Bernardino Basin region: Bernard Field Station; 'East Field' area, approximately 10 miles north of Foothill Blvd fence and approximately 10 miles east of entry drive. 370 Comment
  UCR277094  Chenopodium berlandieri R. G. Swinney 2010-10-5 13993 Los Angeles San Gabriel Mountains, east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons 549 Comment
  RSA592434  Chenopodium berlandieri L. C. Wheeler 1966-9-21 8903 Los Angeles San Gabriel Mountains. Upper Coldbrook Creek. 1448 Comment
  RSA423271  Chenopodium berlandieri var. sinuatum Louis Greata 1900-9-23 s.n. Los Angeles Garvanza. Comment
  SEINET954681  Chenopodium californicum David Charlton 1989-1 2829 Los Angeles San Gabriel Mountains (northwest). Soledad Pass, Kentucky Springs development, 1 mile south of Highway 14 on Angeles Forest Highway (N-3), about 5 miles (airline) south of Palmdale. 1036 Comment
  UCR168285  Chenopodium californicum Reid Moran 1941-2-17 578 Los Angeles Channel Islamds, Middle Ranch, south side of San Clemente Island 500 Comment
  POM12244  Chenopodium californicum F. L. Robinson 1921-5-9 72 Los Angeles Claremont. 365 Comment
  POM19219  Chenopodium californicum P. A. Munz 1923-4-9 6641 Los Angeles San Clemente Island, east coast. Comment
  UCD97871  Chenopodium desiccatum Louis C. Wheeler 1966-10-1 8935 Los Angeles Millie's Orchard, lower Colby Ranch, Coldwater Canyon. 1005 Comment
  CDA3071  Chenopodium murale Robert Gustafson 1981-4-29 2212 Los Angeles Coastal Plains & Basin; Los Angeles Basin region, Ballona Wetlands, Area 2. 0 Comment
  RSA534016  Chenopodium murale T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5297 Los Angeles San Clemente Island, westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft N of Rest [1336'] marker; 1800 ft SE of Malo Knoll [1396']) Upper portion of drainage 274 Comment
  UCR95535  Chenopodium pumilio L. C. Wheeler 1970-8-2 s.n. Los Angeles San Gabriel Mtns, Henninger Flats 793 Comment
  SBBG65481  Chenopodium strictum R. Hoffmann 1931-9-28 Los Angeles 4 mi W of Harold Comment
  SFV12128  Chenopodium strictum var. glaucophyllum D. L. Koutnik, P. Collins 1975-4-26 142 Los Angeles Santa Monica Mountains Near intersection of Mulholland and Franklin Canyon. 320 Comment
  UCD57912  Chloris berroi P. B. Dickey 1939-7-10 1004 Los Angeles SCS Nursery Littlerock, row 21. Comment
  UCD77537  Chorizanthe Robert E. Preston 1998-6-19 1150 Los Angeles Mint Canyon, ca. 0.5 mi N of Sierra Hwy 804 Comment
  RSA0065549  Chorizanthe parryi T. Sargent 1959-5-18 s.n. Los Angeles Rio Hondo Wash N. of Highway 99. Comment
  CAS-BOT-BC252762  Chorizanthe parryi var. fernandina Mark Elvin 2003-6-19 2948 Los Angeles Hills west of San Martinez Grande Canyon and north of CA Hwy 126, Newhall Ranch, Val Verde 7.5' Q., Western Transverse Range 365 Comment
  UCR128096  Chorizanthe parryi var. fernandina Mark A. Elvin 2003-6-19 2948 Los Angeles Western Transverse Range, hills west of San Martinez Grande Canyon and north of Calif. Hwy 126, Newhall Ranch 366 Comment
  RSA0118870  Chorizanthe spinosa A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-14 32075 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
  RSA678315  Chorizanthe staticoides Valerie L. Soza, S. D. Boyd 2002-4-10 1395 Los Angeles Del Sur Ridge, east side of Haskell Canyon, along fire road 6N18 just below peak '2508'. Stables Fire 2001 area. 686 Comment
  UCR127011  Chorizanthe staticoides A. C. Sanders, Mark A. Elvin 2003-6-18 26939 Los Angeles Santa Susana Mountains, along road on crest of range from Salt Canyon, north of head of El Toro Canyon, Newhall Ranch 854 Comment
  SBBG118737  Chorizanthe watsonii L. Gross with P. Morton 2004-6-9 1360 Los Angeles W end of the main crest; from S of Pacific Crest Trail along Rd 7N23, to the NW corner of Sec 3 and the W end of Sec 12, W of Bear Gulch Camp 1732 Comment
  RSA802567  Chorizanthe xanti var. xanti Orlando Mistretta, Christine Mistretta 2011-7-1 5886 Los Angeles North Fork Mill Creek, along Forest Road 3N27. 1524 Comment
  UCR269119  Chorizanthe xanti var. xanti Orlando Mistretta, Christine Mistretta 2008-5-2 2601 Los Angeles Transverse Ranges; Liebre Mountains, Southern California Edison transmission line tower (Segment 5, structure 48 per TRTP Survey 2008), in the vicinity of Ritter Ridge 1085 Comment
  POM351633  Chrysanthemum segetum Elbert Benjamine 1929-4-29 171 Los Angeles Los Angeles Comment
  RSA0068443  Cirsium occidentale var. californicum R. G. Swinney 2010-6-8 13210 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  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
  POM246526  Cirsium occidentale var. occidentale F. R. Fosberg 1931-5-21 4935 Los Angeles Santa Catalina Island. Between Cherry Valley and Howlands Landing 20 Comment
  POM53538  Cirsium occidentale var. occidentale C. F. Baker 1904-5-6 4842 Los Angeles Hills near Pomona Comment
  UCR126913  Cirsium occidentale var. occidentale A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26192 Los Angeles Western San Gabriel Mtns., Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment
  RSA137530  Cirsium ochrocentrum George W. Garrettson 1960-7-22 s.n. Los Angeles Southern Pacific RR right of way about 100 yards W of Water Street, Walnut. Comment
  UCR104183  Cirsium vulgare Scott D. White 1997-5-21 5189 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
  UCR150847  Cirsium vulgare R. G. Swinney, Dave Larson 1999-5-15 7163 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  RSA191133  Cistanthe monandra R. F. Thorne, M. Z. Thorne 1967-6-25 37092 Los Angeles Along fire-road between Cobal and Evey Canyons. 732 Comment
  RSA679990  Cistanthe monandra LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 897 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway 1143 Comment
  RSA719025  Cistanthe monandra R. G. Swinney 1998-4-14 5977 Los Angeles Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands 1299 Comment
  CAS-BOT-BC438749  Cistanthe monandra John Thomas Howell 1928-5-25 3820 Los Angeles Ridge Route to Bakersfield, 22 miles s. of Lebec 1280 Comment
  RSA448248  Clarkia bottae Robert M. Perkins 1936-4-27 180 Los Angeles Muholland drive. Comment
  RSA0055081  Clarkia dudleyana Jim Shevock 1971-5-13 1203 Los Angeles Old Topanga Road. Comment
  RSA448271  Clarkia epilobioides Geo. L. Moxley 1920-5-1 741 Los Angeles Descanso Canyon, Catalina Island. Comment
  RSA567530  Clarkia heterandra Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3928 Los Angeles Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. 1488 Comment
  RSA72217  Clarkia heterandra F. W. Peirson 1922-6-3 3083 Los Angeles At Collins Ranch, north slope of Liebre Mts. 1143 Comment
  SD129447  Clarkia purpurea subsp. viminea John Adams 1963-5-28 29 Los Angeles Pomona College Wash, Claremont. 334 Comment
  RSA73348  Clarkia rhomboidea F. W. Peirson 1927-5-21 7300 Los Angeles North side of canyon of Rock Creek 1524 Comment
  CAS-BOT-BC165509  Clarkia unguiculata Peter H. Raven 1959-5-9 14163 Los Angeles Mulholland Hwy. 1 mile W. of Las Virgenes Rd. Malibu Creek Drainage 274 Comment
  IRVC26154  Clarkia unguiculata A. C. Sanders 2003-5-1 26244 Los Angeles NE side of Castaic Mesa, near Angeles National Forest boundary, ca. 0.6 mi. due west of confluence of Bitter and Charlie Canyons Western San Gabriel Mtns. 396 Comment
  UC1293684  Clarkia unguiculata P. C. Everett and E. K. Balls 1959-6-2 23838 Los Angeles 1 mi ne of entrance Stokes Canyon; Santa Monica Mts. 182 Comment
  RSA0035203  Clarkia unguiculata John P. Hill 1933-5-8 s.n. Los Angeles Verdugo Woodlands, Glendale Comment
  RSA0059962  Clarkia xantiana subsp. parviflora R. G. Swinney 2008-5-12 8837 Los Angeles east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  RSA603023  Claytonia exigua subsp. exigua L. C. Wheeler 1955-4-16 7131 Los Angeles San Gabriel Mountains: Pinyon Flat. Comment
  RSA527818  Claytonia exigua subsp. exigua Timothy S. Ross, Steve Boyd, Laurel Arnseth 1991-4-29 4816 Los Angeles Parker Mountain: on the N and NE slopes just below the summit. 1159 Comment
  UCR191672  Claytonia parviflora T. B. Salvato 2008-4-22 3310 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
  UCR194038  Claytonia parviflora R. G. Swinney 1999-5-22 7203 Los Angeles San Gabriel Mtns./Mojave Desert, Le Montaine Canyon, c. 0.5 mi. south of Camp Jubilee Rd. 1701 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
  CAS-BOT-BC439505  Claytonia parviflora subsp. parviflora Dr. H. E. Hasse 1888-5-1 s.n. Los Angeles Unspecified Comment
  RSA0031456  Claytonia parviflora subsp. parviflora Orlando Mistretta, Christine Mistretta 2008-4-19 2491 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, Structure 115 per TRTP Survey 2008), vicinity of Van Tassel Canyon. 581 Comment
  RSA618591  Claytonia parviflora subsp. parviflora L. C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mountains: North of Mill Canyon off Soledad Canyon near Ravenna. 716 Comment
  UCR220370  Claytonia perfoliata R. G. Swinney 2009-4-16 10364 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel Canyon, 0.3 to 0.6 miles NW (upstream) of confluence with San Gabriel River 280 Comment
  SBBG95216  Claytonia perfoliata subsp. mexicana M. B. Dunkle 1928-3-31 1797 Los Angeles Cottonwood Cyn Comment
  SBBG96800  Claytonia perfoliata subsp. mexicana S. Boyd with T. Ross, L. Arnseth 1990-4-7 4242 Los Angeles lower half of China Cyn, W side Comment
  CAS-BOT-BC440119  Claytonia perfoliata subsp. perfoliata Timothy S. Ross; Steve Boyd 1994-5-25 7898 Los Angeles Liebre Mountains. West Summit of Liebre Mountain: West Summit here construed as the rounded knoll 100 m S of the intersection of sections 3, 4, 9, & 10 1708 Comment
  RSA606999  Claytonia perfoliata subsp. perfoliata L. C. Wheeler 1968-5-24 s.n. Los Angeles San Gabriel Mountains: Northwest slope of Smith Mountain, along Bear Creek Trail. 1280 Comment
  SDSU9787  Claytonia perfoliata subsp. perfoliata A. H. Gallup 1949-3-17 344 Los Angeles Lasca- common along drainage areas. 152 Comment
  RSA250646  Clematis lasiantha Robert F. Thorne 1971-3-31 41448 Los Angeles Johnson's Pasture, N on Mountain Ave., Claremont. 549 Comment
  SD113805  Clematis lasiantha Darley F. Howe 1947-3-22 1512 Los Angeles Las Flores Canyon, Malibu Mts. Comment
  UCR200022  Clematis lasiantha Valerie Soza, Mariam Sidibeh 2003-3-26 1622 Los Angeles Transverse Ranges; Verdugo Mountains, Western San Rafael Hills, near junction of Ridge Motorway and Gladys Motorway, off junction of Camino San Rafael and Flintridge Drive, south-southwest of Flint Peak 564 Comment
  CAS-BOT-BC92642  Clematis ligusticifolia C. F. Baker 1903-8-2 3458 Los Angeles San Antonio Canon [Canyon] near Claremont. Comment
  UCR124725  Clematis ligusticifolia B. C. Templeton 1932-8-25 5071 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  POM184  Clematis pauciflora Frank C. Squire 1904-5-20 s.n. Los Angeles Claremont chaparral. 457 Comment
  RSA187734  Cleome isomeris R. F. Thorne 1966-4-4 35765 Los Angeles Santa Catalina Island: near Ballast Point on E side of Catalina Harbor, Isthmus. Comment
  RSA188009  Cleome isomeris R. F. Thorne 1966-4-30 36342 Los Angeles Santa Catalina Island; mouth of Gallagher's Canyon. 8 Comment
  RSA440821  Cleome isomeris Ora M. Clark 1928-12-23 1385 Los Angeles Pallisades north of San Pedro. Comment
  RSA650756  Cleome isomeris Eleanor McClung 1937-3-14 20 Los Angeles Palos Verdes Comment
  CAS-BOT-BC423115  Cleomella obtusifolia Roxana S. Ferris 1918-6-19 912 Los Angeles Lancaster Comment
  RSA440022  Cleomella obtusifolia Anstruther Davidson 1906-07 s.n. Los Angeles Lancaster. Comment
  CDA7446  Cnicus benedictus G. K. Helmkamp, E. A. Helmkamp 1998-5-21 4049 Los Angeles Western Mojave Desert; Junction of Munz Ranch Road and Lake Elizabeth Road north of Lake Elizabeth. Comment
  UCR187107  Cnicus benedictus A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32244 Los Angeles Tehachapi Mtns. Foothills/Mojave Desert, western end of the Antelope Valley, SW corner of intersection of Ave. 300 West and Oso Pumping Plant Rd. 915 Comment
  RSA672222  Collinsia heterophylla Joseph M. Keefe 2001-4-8 31200 Los Angeles San Rafael Mountains. North side of wood fence along The Eagle Rock Park path between Scholl Canyon Road and Eagle Rock View Drive, 5 meters west of beginning of private driveway with mailboxes (5475 Eagle Rock View Drive)., Eagle Rock District, Los Angeles, CA 90041. North: 34 08' 36.6 West. 293 Comment
  RSA678776  Collinsia heterophylla Valerie L. Soza, LeRoy Gross 2002-4-16 1421 Los Angeles Between Pettinger and Haskell canyons.Stables Fire 2001 area. 595 Comment
  SD230297  Collinsia heterophylla Louis C. Wheeler 1968-5-24 Los Angeles San Gabriel Mountains: Northwest slope Smith Mt., along Bear Creek Trail. 1250 Comment
  UCD123577  Collinsia heterophylla Gerald Dickinson 1962-4-24 25 Los Angeles 3 miles west Topanga Canyon Road on Mulholland Rd, Santa Monica Mts. 304 Comment
  OBI60241  Collinsia heterophylla John Liu 1994-4-22 3 Los Angeles Santa Monica Mts, Calabassas, 1.0 mi on Stunt Rd from jct with Mulholland hwy 300 Comment
  CAS-BOT-BC240960  Collinsia parryi Geo. B. Grant 1900-2-4 s.n. Los Angeles Pasadena Comment
  UCR191316  Collinsia torreyi var. wrightii R. G. Swinney 1998-7-2 6263 Los Angeles San Gabriel Mtns., north of Table Mountain, Wrightwood area, 0.8 mi. NE of junction of roads 4N21B, 4N21A, and 4N21 2110 Comment
  RSA707807  Colutea arborescens Naomi Fraga, Bill Hogshead 2004-4-23 1101 Los Angeles Along the lower part of Josepine Peak Road near its intersection with Angeles Forest Hwy. 1098 Comment
  SFV19344  Colutea arborescens J. N. Hogue, C. Solek 2005-4-8 238 .1 Los Angeles San Gabriel Mountains East Fork of San Gabriel River near East Fork Station. On hillside over edge from parking lot at end of road. 610 Comment
  SBBG32152  Comarostaphylis diversifolia subsp. planifolia R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -253 Los Angeles upper Sweetwater Cyn Comment
  UCR62075  Conium maculatum S. J. Myers, R. Montijo 1990-4-19 s.n. Los Angeles Powder Canyon, city of La Habra Heights 245 Comment
  UC1302309  Constancea nevinii Robert F. Thorne and P. C. Everett 1964-2-7 33444 Los Angeles above road to St. Catherine's Hotel; Santa Catalina Island, Avalon 7 Comment
  SBBG131133  Convolvulus arvensis S. A. Junak 1999-5-21 SCa 970 Los Angeles E side of KBRT Valley, E of radio antennas 457 Comment
  RSA12644  Convolvulus arvensis C. B. Wolf 1934-8-16 6055 Los Angeles peat land on Bryant Ranch east of Long Beach. 700 ft. east of center of sect. 34; 950 ft. So. of No. line of Same. 6 Comment
  RSA394796  Convolvulus arvensis Freda Detmers 1932-10-16 16054 Los Angeles N. Van Nuys Comment
  CAS-BOT-BC286126  Conyza canadensis Peter H. Raven 1957-9-21 11323 Los Angeles At n.w. end of U.C.L.A. campus, Los Angeles Comment
  RSA0105017  Conyza canadensis R. G. Swinney 2011-10-27 15915 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream. 649 Comment
  RSA4789  Cordylanthus maritimus subsp. maritimus James Snow 1932-1 s.n. Los Angeles Bryant Ranch, near Long Beach. Collected for correlation with a soil survey by the Association Laboratory, Anaheim, Calif. Comment
  UCR180024  Cordylanthus rigidus R. G. Swinney, Dave Larson 1996-8-7 5227 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, southern third of west half of Brown's Flat 1317 Comment
  UCR209533  Cordylanthus rigidus R. G. Swinney 2008-10-10 9561 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  UCR177541  Coreopsis bigelovii LeRoy Gross 2005-4-28 2177 Los Angeles San Gabriel Mountains, Ridgeline to Mt. Emma and canyon south of this ridge. W from Mt. Emma (NW trending ridge, lower part of ridgeline starts to turn SW) east of Mt. Emma Rd 1413 Comment
  RSA188168  Coreopsis gigantea R. F. Thorne 1966-4-4 35795 Los Angeles Santa Catalina Island: Bird Rock, N of Isthmus Cove. 8 Comment
  RSA532645  Corethrogyne filaginifolia var. pinetorum Timothy S. Ross 1991-8-14 5756 Los Angeles Roundtop Mountain. 1892 Comment
  RSA3600  Cornus glabrata C. B. Wolf 1932-5-13 3617 Los Angeles Forks of Hamilton Canyon, Santa Catalina Island 91 Comment
  SBBG127968  Cotoneaster pannosus B. E. Carter 2012-8-23 6979 Los Angeles Middle Ranch Cyn, at Pump Station 2 310 Comment
  UCSB9473  Cotula australis Charles Crum 1958-7-14 60 Los Angeles collected in the U. C. L. A. (Faculty Hill) Comment
  SD69012  Crassula aquatica Robert F. Thorne, D. Propst 1968-5-29 37696 Los Angeles Santa Catalina Island; sandy mud margin of south end of Hay Press Reservoir. 399 Comment
  SBBG32022  Crassula connata R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -259 Los Angeles between Sweetwater and Middle Ranch Cyns Comment
  RSA423437  Crassula connata var. subsimplex Reid V. Moran 1941-2-19 568 Los Angeles Middle Ranch, San Clemente Island. 500 Comment
  OBI70867  Crassula tillaea Louis C. Wheeler 1948-4-26 6634 Los Angeles Altadena. Oak Grove Park, Devil's Gate Dam 305 Comment
  UCR35838  Crassula tillaea R. F. Thorne 1979-4-25 52776 Los Angeles Rancho Santa Ana Botanic Garden: S end of desert garden growing on hard-packed ground 415 Comment
  SFV16796  Crassula tillaea J. D. Dilley 1997-3-3 s. n. Los Angeles San Gabriel Mountains Big Tujunga Canyon Road, about 200 yards east of Trail Canyon Road. Comment
  OBI5952  Cressa truxillensis Carl B. Wolf 1932-5-12 3593 Los Angeles Santa Catalina Island. Little Harbor Comment
  SEINET5357772  Cressa truxillensis J. H. Barber 1898-8-6 s.n. Los Angeles Malibu Canyon Comment
  CATA2987  Crocanthemum scoparium Peter J. Dixon 2015-2-25 019 Los Angeles Santa Catalina Island: Wild Boar Gully, Triangle Population, 350m SW of Wild Boar Gully Rd. 230 Comment
  CAS-BOT-BC175845  Crossosoma californicum Robert F. Thorne; P. C. Everett 1964-2-6 33297 Los Angeles Above Fourth of July Cove. Santa Catalina Island 30 Comment
  POM296511A  Crossosoma californicum Lyman Benson 1953-5-2 15113 Los Angeles Catalina Island. White's Landing 15 Comment
  RSA190939  Crossosoma californicum R. F. Thorne 1967-3-20 36904 Los Angeles Santa Catalina Island, along dry stream bed in Descanso Canyon about half way from Airport rd. to mouth. 122 Comment
  RSA397730B  Crossosoma californicum M. B. Dunkle 1932-1-24 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  POM87065  Croton californicus Marcus E. Jones 1882-2-27 s.n. Los Angeles Pasadena. Comment
  RSA480563  Croton californicus E. A. Purer, Freda Detmers 1931-3-25 s.n. Los Angeles Palos Verde Hills. Comment
  UCR190393  Cryptantha barbigera R. G. Swinney 2001-4-18 7903 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  UCR205863  Cryptantha barbigera R. G. Swinney 2008-5-8 8801 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  UC61500  Cryptantha circumscissa J. Burtt Davy May 9 1896-May 24 1896 2514 Los Angeles Manzana Antelope Valley Comment
  UCSB23989  Cryptantha circumscissa Grant, Aubyn 1964-5-15 Los Angeles 25 feet west of road, 2.4 miles north of Deep Creek Campground on Deep Creek Road, Mojave Desert 792 Comment
  UC79455  Cryptantha clevelandii Katharine Brandegee May 1889 Los Angeles San Pedro Comment
  RSA599883  Cryptantha decipiens Steve Boyd, Lauren Raz 1997-5-6 9728 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  RSA617206  Cryptantha decipiens L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 Comment
  UCR141319  Cryptantha decipiens R. F. Thorne, Et al. 1970-5-1 39531 Los Angeles Mojave Desert/San Gabriel Mtns., along road to Valyermo c. 1 mi east of Pallett Ranch at foot of grade N of Pinyon Pine Ridge in Shoemaker Canyon 1402 Comment
  LA31579  Cryptantha intermedia Henry J. Thompson; 1959-4-12 1927 Los Angeles 304 Comment
  POM368247  Cryptantha intermedia Jack Rempel 1932-4-24 15250 Los Angeles El Segundo. Comment
  RSA702092  Cryptantha intermedia Scott D. White, Pam De Vries 2004-5-18 10423 Los Angeles Eastern Santa Susana Mtns. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  RSA726024  Cryptantha intermedia A. C. Sanders, Tricia Wotipka, Mark Elvin, et al. 2003-4-28 26131 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 488 Comment
  SD178186  Cryptantha intermedia G. K. Helmkamp, E. A. Helmkamp 1998-5-21 4045 Los Angeles Western Mojave Desert: junction of Munz Ranch Rd. and Lake Elizabeth Rd. north of Lake Elizabeth. 1006 Comment
  UC483198  Cryptantha intermedia L. R. Abrams and I. L. Wiggins 1931-7-6 354 Los Angeles vicinity Mosquito Harbor; San Clemente Island Comment
  RSA536085  Cryptantha intermedia Tim Ross 1991-5-21 5432 Los Angeles San Clemente Island, upper Box Canyon, northwesterly canyon slope (descending into canyon) above area where the canyon bottom is 1175ft. 396 Comment
  RSA0016889  Cryptantha intermedia var. johnstonii O. W. Robinson 1916-3-21 s.n. Los Angeles Wash near Greek Theater, Claremont. Comment
  RSA0075636  Cryptantha intermedia var. johnstonii L. C. Wheeler 1967-5-18 9610 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  SD248350  Cryptantha microstachys R. G. Swinney 2010-8-30 13610 Los Angeles San Gabriel Mountains: East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Garieleno Trail to 0.5 mile upstream. 594 Comment
  UCR155599  Cryptantha muricata A. C. Sanders, T. B. Salvato 2005-4-26 29694 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa 671 Comment
  RSA0078896  Cryptantha muricata var. denticulata T. S. Ross, Peter W. Fritsch, Steve D. Boyd, Orlando Mistretta 1990-6-22 3759 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone 1707 Comment
  RSA0079317  Cryptantha muricata var. jonesii Matt Bogdanoff, Lord 1989-6-10 32 Los Angeles Mt. Baldy Rd. burn area. Comment
  RSA0079394  Cryptantha muricata var. jonesii Pam De Vries 2011-5-4 7766 Los Angeles Southwest portion of the Liebre Mountains; about 1 air mile WNW of the intersection of Avenida Rancho Tesoro and Tesoro del Valley Dr. (Santa Clarita). 501 Comment
  SEINET3860016  Cryptantha nevadensis R. G. Swinney 2009-4-24 10454 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground.; 0 915 Comment
  RSA593009  Cryptantha nevadensis var. rigida Steve Boyd, Orlando Mistretta 1996-5-1 8739 Los Angeles Liebre Mountains, rugged hills between Soledad Canyon Agua Dulce, west of Young Canyon along the Pacific Crest Trail 854 Comment
  RSA594619  Cryptantha nevadensis var. rigida L. C. Wheeler 1967-5-8 9337 Los Angeles San Gabriel Mts [Liebre Mtns]between Bouquet Junction and Bonelli Ranch. 396 Comment
  RSA614814  Cryptantha pterocarya L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 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
  RSA0073719  Cryptantha similis Orlando Mistretta, Christine Mistretta 2005-4-21 2055 Los Angeles San Gabriel Mountains region: Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station. 1341 Comment
  RSA232822  Cryptantha traskiae R. F. Thorne 1966-4-15 35992 Los Angeles San Clemente Island: 2/3 mile SSE of Eel Point (and N of Seal Cove), SW side of island 30 Comment
  SDSU20032  Cryptantha wigginsii Michael G. Simpson, Lori L. Simpson 2012-4-21 3682 Los Angeles Santa Catalina Island. West-facing road cut, on road between Cherry Cove and Howland's Landing. 51 Comment
  RSA0024546  Cryptantha wigginsii F. R. Fosberg 1931-5-21 4934 Los Angeles Santa Catalina Island, between Cherry Valley and Howland s Landing. 20 Comment
  UCR261359  Cuscuta R. G. Swinney 2010-3-24 12173 Los Angeles San Gabriel Mountains, Pacoima area, Lopez Canyon, 1.7 miles west of Kagel Canyon on Lopez Cyn. Rd., to 300 meters east of road on E-W running ridge 503 Comment
  UC1409010  Cuscuta californica Robert F. Thorne and J. Dourley 1967-10-10 37351 Los Angeles Blue Ridge San Gabriel Mts., Angeles National Forest 2255 Comment
  SDSU5821  Cuscuta californica Gerald Collier 1951-4-5 M 385 Los Angeles NE of Chatts Worth Lake. Comment
  SD126006  Cuscuta californica var. californica A. C. Sanders 1987-7-22 7173 Los Angeles El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd. 29 Comment
  RSA409766  Cuscuta campestris George B. Grant 4541 Los Angeles Santa Catalina Island Comment
  POM155619  Cuscuta ceanothi M. L. Bryan 1928-6-2 7 Los Angeles Mandeville Canyon, near Santa Monica. 152 Comment
  SFV21462  Cuscuta subinclusa L. Gross, V. Soza, S. Tessel 2001-6-4 395 Los Angeles Verdugo Mountains Northwest side of mountains. Just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek in Sun Valley. Cleared area for fire safety near homes. Dry, south-facing hillside. 274 Comment
  RSA601138  Cyclospermum leptophyllum L. C. Wheeler 1946-6-28 6217 Los Angeles Los Angeles. 637 North Ardmore Ave. Comment
  HSC9501  Cynodon dactylon John Warner Hosking 1964-10-24 Los Angeles Back yard of home in Manhattan Beach. Comment
  SD140247  Cyperus eragrostis Scott White 1992-10-8 920 Los Angeles Malibu, base of Santa Monica Mountains, just north of Pacific Coast Highway, extending as far east as Malibu Creek; bounded on the south by Civic Center Road; termintes on the west in vicinity of Malibu School; growing at the creek. 91 Comment
  SBBG133414  Cyperus esculentus J. Savage, J. Lambert 1525-Aug-2003 10 -2003 Los Angeles sand pile at VC3 259 Comment
  UC57098  Cyperus esculentus Ernest Braunton Sept, 1902 671 Los Angeles L.A. River Comment
  RSA588158  Datisca glomerata Orlando Mistretta 1994-5-23 1245 Los Angeles Little Rock Creek. Drainage E of Creek and N of Forest Rd. 4N15 1220 Comment
  UC519996  Datura stramonium Louis C. Wheeler 1932-8-17 1138 Los Angeles 2 mi n Claremont 411 Comment
  RSA647954  Datura wrightii Michelle Manolovitz, Brian Manolovitz 1992-5-19 25 Los Angeles Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 300 feet northwest of park office. Comment
  CATA1258  Daucus pusillus Mark L. Hoefs, Douglas R. Hoefs 1995-6-29 2342 Los Angeles Santa Catalina Island: By Empire Landing Road near quarry 124 Comment
  RSA470775  Daucus pusillus Jack Rempel 1932-3-19 15265 Los Angeles El Segundo. Comment
  CAS-BOT-BC130914  Deinandra clementina Mrs. C. E. Miller 1918-6-11 s.n. Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC130936  Deinandra clementina W. S. Lyon 1884-1-1 s.n. Los Angeles Santa Catalina Isl. Comment
  SBBG96677  Deinandra clementina S. Boyd with T. Ross, L. Arnseth 1990-4-7 4272 Los Angeles lower half of China Cyn, W side; sand dunes at cyn mouth Comment
  SD90398  Deinandra clementina Robert F. Thorne 1966-4-17 36095 Los Angeles San Clemente Island; top of bluff near Duty Office, Wilson's Cove, northeast end of island. 29 Comment
  CAS-BOT-BC299314  Deinandra fasciculata unspecified 1902-6-27 s.n. Los Angeles Catalina Island Comment
  CHSC95442  Deinandra fasciculata LeRoy Gross 2001-5-27 421 Los Angeles Los Angeles Basin; Verdugo Mountains Region: Northwest side; Dead end street at corner of Tuxford St. and Ledge Ave. just north of La Tuna Canyon Road in city of Sun Valley, just west of mouth of McDonald Creek. Along dirt trail on the crest between La Tuna Canyon Road and Sunland Blvd. Just to the west of this Lat. Long. 427 Comment
  SBBG90430  Deinandra fasciculata M. C. Hochberg 1985-4-7 1210 Los Angeles Little Springs Cyn 243 Comment
  UC68893  Deinandra fasciculata H. M. Hall 1905-6-1 6256 Los Angeles San Francisquito Canyon Comment
  UC897744  Deinandra fasciculata Ezra C. Knopf 140 Los Angeles Santa Catalina Island Comment
  UCR227566  Deinandra minthornii Naomi Fraga, Duncan S. Bell 2009-10-15 3159 Los Angeles Transverse Ranges; Santa Susana Mountains region, Simi Hills. north slope of Simi Peak 689 Comment
  RSA0005316  Delphinium kinkiense R. M. Beauchamp 1967-3-18 290 Los Angeles San Clemente Island: canyon north of Nanny. 244 Comment
  UCR177457  Delphinium parishii LeRoy Gross 2005-4-28 2152 Los Angeles San Gabriel Mountains, Ridgeline to Mt. Emma and canyon south of this ridge. W from Mt. Emma (NW trending ridge, lower part of ridgeline starts to turn SW) east of Mt. Emma Rd 1413 Comment
  RSA729366  Delphinium parishii subsp. parishii R. G. Swinney 1998-7-14 6435 Los Angeles Pine Mountain Ridge; 0.2-0.3 mi. west of Camp Lupine trail. Broad ridge top' montane coniferous forest. 2247 Comment
  UCR197765  Delphinium parishii subsp. parishii Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 42 Los Angeles Transverse Ranges; San Gabriel Mountains, off Big Pines Hwy (Road N) on the north side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside 1444 Comment
  LA212286  Delphinium parryi Carol Haines; 1964-5-23 s.n. Los Angeles 1 miles from beginning of Old Ridge Route. 426 Comment
  CAS-BOT-BC121401  Delphinium parryi subsp. maritimum Carl Epling 1931-5-2 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains Comment
  RSA0091875  Delphinium parryi subsp. maritimum Steven A. Junak, Ralph N. Philbrick 2001-5-17 SCa- 1521 Los Angeles Santa Catalina Island. E of Little Harbor, just N of Sheep Chute Ridge Road, ca. 0.2 mile from intersection with Little Harbor Road, on S side of Big Springs Canyon. 79 Comment
  UC9212  Delphinium parryi subsp. maritimum J. H. Barber 1897-4-7 133 Los Angeles Santa Monica Canyon Comment
  CAS-BOT-BC116269  Delphinium parryi subsp. parryi Alice Eastwood 1906-5-27 20 Los Angeles Garvanza Comment
  SBBG128319  Delphinium parryi subsp. parryi M. L. Hoefs 1995-5-4 1953 Los Angeles near rd between Cherry Valley and Howlands Landing 91 Comment
  SBBG15507  Delphinium patens subsp. hepaticoideum W. G. Webb 1935-4-17 Los Angeles Arroyo Seco Comment
  UC112890  Dendromecon harfordii Katharine Brandegee May 1889 Los Angeles Santa Catalina Island Comment
  UC9977  Dendromecon harfordii Blanche Trask May 1890 Los Angeles Avalon Santa Catalina Island Comment
  CAS-BOT-BC82906  Dendromecon rigida Timothy S. Ross; Steve Boyd 1994-5-25 7930 Los Angeles Liebre Mountains. Necktie Basin. Hanging basin ca. 470-830 meters west of Warm Springs Mountain summit. 1075 Comment
  UC57598  Dendromecon rigida J. H. Barber 1898-8-4 Los Angeles Topango Comment
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May 22 2014
  UCR198383  Dendromecon rigida Valerie Soza, L. Moore 2000-5-10 843 B Los Angeles Transverse Ranges: Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive from fire gate to powerlines 579 Comment
  RSA177821  Dendromecon rigida subsp. rhamnoides Robert F. Thorne, Percy C. Everett 1965-5-10 34476 Los Angeles West side of Black Jack Mountain, Santa Catalina Island. 488 Comment
  RSA253135  Dendromecon rigida subsp. rhamnoides Gary D. Wallace, Haefs 1975-3-23 1410 Los Angeles Santa Catalina Island. 1/8 mile E of NS road from Avalon along dirt road toward White's Landing. 412 Comment
  RSA0091731  Descurainia pinnata R. G. Swinney 2011-5-12 14674 Los Angeles 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
  RSA763231  Descurainia pinnata Justin M. Wood 2010-5-10 1569 Los Angeles Little Rock Creek: Downstream of Little Rock Reservoir, within 0.25 miles of the dam. 966 Comment
  UCR209493  Descurainia pinnata R. G. Swinney 2008-6-17 9045 Los Angeles San Gabriel Mountains, Pinyon Ridge, 4.4 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway, 1.6 mi. west of peak 6535 1952 Comment
  SD38226  Descurainia pinnata subsp. halictorum Edith A. Purer 1932-5-14 2778 Los Angeles El Segundo Comment
  SD69468  Descurainia pinnata subsp. menziesii Robert F. Thorne 1966-4-6 35921 Los Angeles Santa Catalina Island: old quarry west of Empire Landing 74 Comment
  SD69563  Desmazeria rigida Robert F. Thorne 1966-6-1 36484 Los Angeles Santa Catalina Island; at site of razed St. Catherine's Hotel; north of Avalon 4 Comment
  POM21346  Dicentra chrysantha Fordyce Grinnell Jr. 1917-7-29 s.n. Los Angeles Mt. Lowe, San Gabriel Ridge. 1616 Comment
  RSA376859  Dichelostemma capitatum subsp. capitatum Fay A. MacFadden 1931-3-18 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  UC284827  Dieteria canescens var. canescens P. A. Munz 1923-8-30 7664 Los Angeles n of Big Pines; San Gabriel Mts., Swartout Valley 2225 Comment
  CATA3404  Dimorphotheca fruticosa Julia A. Parish, Jaimie Choi, Stuart Olshevski 2017-3-10 017 Los Angeles Santa Catalina Island: Residence at junction of Airport Rd. and Renton Pass Rd (KBRT) 427 Comment
  SBBG11598  Diplacus parviflorus P. H. Raven 1962-5-10 17731 Los Angeles rocky walls of Horse Cyn (large cyn W of Thirst) 274 Comment
  UC625036  Distichlis spicata F. R. Fosberg 1931-5-14 4871 S Los Angeles Middle Ranch Canyon, near mouth of Cape Canyon Comment
  UC56907  Dithyrea maritima Ernest Braunton 1902-5-25 285 Los Angeles Hermosa Beach Comment
  RSA392729  Dodecahema leptoceras Anstruther Davidson 1893-5-20 s.n. Los Angeles Newhall. Comment
  UC1618057  Dodecatheon clevelandii unknown 1935-1-1 Los Angeles Brea Canyon Comment
  RSA785964  Dodecatheon clevelandii J. D. Olmsted 1958-3-9 30 Los Angeles Johnson's Pasture Road at top of hill just past power line crossing, 1.5 mi. north of intersection of Mountain Ave. and Baseline, northwest of Claremont, S. drainage to Johnson creek 610 Comment
  RSA719636  Dodecatheon clevelandii subsp. clevelandii R. G. Swinney 1998-3-14 5908 Los Angeles Evey Canyon, ca. 0.75 mi. W of Mt. Baldy Rd., ca. 0.3 mi. NE of Potato Mtn. 793 Comment
  UC639580  Drymocallis glandulosa var. viscida Victor Duran 1933-7-29 3542 Los Angeles Buckhorn , Buckhorn (San Gabriel Mountains) Comment
  UCR182703  Drymocallis lactea var. lactea R. G. Swinney 1997-8-6 5769 Los Angeles San Gabriel Mtns, along Big Pines Hwy, c. 0.5 mi. west of Hwy 2 junction, east of Jackson Lake 2024 Comment
  UCR192863  Drymocallis lactea var. lactea R. G. Swinney 1998-7-14 6430 Los Angeles San Gabriel Mtns., Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine 2195 Comment
  SEINET13276776 Image available Dryopteris arguta R. G. Swinney 2011-1 15805 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy (Condor Peak 7.5' Q.) (T2N R12W) 1021 Comment
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Aug 24 2017
  UCD101902  Dudleya cymosa subsp. ovatifolia Daryl Koutnik 1978-5-30 505 Los Angeles Cornell Corners on Cornell Road south of Agoura Road. 274 Comment
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Oct 1 2018
  RSA83372  Dudleya cymosa subsp. pumila F. W. Peirson 1919-7-7 262 Los Angeles open space along south edge of Ontario Peak 2590 Comment
  SD127840  Dudleya densiflora Louis C. Wheeler Unknown 951 Los Angeles San Gabriel Canyon Comment
  SBBG107267  Dudleya hassei J. Dice, D. Donoghue, T. Martin 1983-5-20 347 Los Angeles Hamilton Cove, on slope above rd to beach, ca. 0.25 km NW of lower windsock 60 Comment
  SD207018  Dudleya lanceolata Reid Moran 1946-5-30 2061 Los Angeles Bichota Canyon; 5.5 kilometers above Rincon Guard Sta. 730 Comment
  CAS-BOT-BC411386  Dudleya lanceolata Carl B. Wolf 1927-7-24 676 Los Angeles 1/2 mile E of Melrose 457 Comment
  UC1543922  Dudleya palmeri Peter H. Raven and David Verity 1960-5-7 15318 Los Angeles ca 2 mi from ocean (Arroyo Sequit); Santa Monica Mtns; (Lat. N. 34 degrees; Long. 118 to 119 degrees W.) 91 Comment
  RSA0091665  Dysphania ambrosioides Bonnie C. Templeton 1951-9-12 s.n. Los Angeles [No location information on label.] Comment
  UCR186670  Echinochloa crus-galli T. B. Salvato, Sarah Flack 2007-8-8 3033 Los Angeles San Gabriel Mountains, East Fork Road crossing over the north fork of the San Gabriel River, Islip Saddle 2043 Comment
  UCSB3668  Ehrendorferia chrysantha Jacobson, A. 1959-5-15 Los Angeles Mint Canyon at campground 6.4 mile north of Solemint Comment
  UCR271532  Ehrharta erecta R. G. Swinney 2011-11-3 15980 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon, 'First Water', 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre 622 Comment
  SD197604  Eleocharis macrostachya R. G. Swinney 2008-4-30 8697 Los Angeles Glendora, Big Dalton Canyon Debris Basin. 341 Comment
  RSA593578  Eleocharis parishii Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz 1996-7-11 8912 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  UCR179243  Eleocharis parishii R. G. Swinney 1989-7-13 s.n. Los Angeles San Gabriel Mtns., in and near Glendora Wilderness Park, Morgan Canyon Debris Basin 366 Comment
  SD90610  Eleocharis parishii Robert F. Thorne, J. Dourley 1967-10-10 37338 Los Angeles San Gabriel Mountains, Angeles National Forest, Jackson Lake, northwest end of lake on low, dry bank. (IPB 10/07) 1867 Comment
  CAS-BOT-BC112160  Eleocharis radicans Ernest Braunton 1902-10-1 725 Los Angeles Oak Knoll Comment
  POM266898  Eleusine indica J. C. Roos 1942-10-1 1735 Los Angeles Los Angeles. Comment
  CATA3124  Elymus condensatus Amy Catalano 2016-5-25 129 Los Angeles Santa Catalina Island: South side of side drainage going northeast from large oak at sharp turn on Big Springs Road, 100 m up drainage 77 Comment
  UCR127406  Elymus condensatus A. C. Sanders, M. S. Enright 2002-8-8 25573 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, lower slopes on the south side of Potrero Canyon, below the dirt road to bench mark 1804 457 Comment
  UCR179679  Elymus elongatus R. G. Swinney, Dave Larson 1996-8-7 5233 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, southern third of west half of Brown's Flat 1317 Comment
  RSA617471  Elymus elymoides Scott D. White 6762 Los Angeles Soledad Canyon area: proposed quarry area N of Soledad Canyon. Road, S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Canyon. 549 Comment
  RSA594557  Elymus glaucus F. R. Fosberg, Joseph A. Ewan 1931-8-10 783 Los Angeles Lower Pine Flats, First Camp, N fork San Gabriel Canyon 1500 Comment
  RSA733764  Elymus glaucus R. G. Swinney 2000-6-19 7826 Los Angeles Pine Mountain, north of Azusa. 1384 Comment
  UC205193  Elymus glaucus D. L. Crawford 1916-5-20 Los Angeles mts. above Claremont Comment
  POM222455  Elymus glaucus subsp. glaucus L. C. Wheeler 1936-6-8 4143 Los Angeles Big Dalton Canyon, 1/4 mile above dam, San Gabriel Mountains. 549 Comment
  RSA611063  Elymus glaucus subsp. glaucus L. C. Wheeler 1970-6-27 s.n. Los Angeles San Gabriel Mountains: Little Fish Fork, Fish Fork Camp. 2012 Comment
  UCR259091  Elymus glaucus var. glaucus R. G. Swinney 2010-9-9 13756 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  UCR125184  Elymus triticoides A. C. Sanders, Mark Elvin 2002-6-25 25263 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  UCR204055  Elymus triticoides R. G. Swinney 2005-7-8 8277 Los Angeles San Gabriel Mountains, Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, west of and adjacent to Longview Road 1216 Comment
  RSA401544  Emmenanthe penduliflora M. B. Dunkle 1931-4-22 2446 Los Angeles Santa Catalina Island, Middle Ranch Canyon. Comment
  RSA401555  Emmenanthe penduliflora Frances Runyan 1973-4-7 37 Los Angeles Agua Dulce, north of freeway 610 Comment
  LA38486  Emmenanthe penduliflora var. penduliflora Carl Epling; L. Ellison 1929-5-18 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  UC129021  Encelia actoni H. M. Hall and H. P. Chandler 1906-6-12 7402 Los Angeles San Francisquito Canyon Southern California Deserts, San Francisquito Canyon 548 Comment
  UCR238076  Encelia actoni Mark A. Elvin, Julie M. Vanderwier 2002-7-18 2105 Los Angeles Western Transverse Range; Santa Clarita Valley Area, Newhall Ranch, ridge west of Potrero Canyon 396 Comment
  CAS-BOT-BC131214  Encelia californica Carl B. Wolf 1932-5-9 3449 Los Angeles Santa Catalina Island, Pebbly Beach 7 Comment
  RSA313368  Encelia californica R. F. Thorne 1973-4-12 42923 Los Angeles San Clemente Island: Pyramid Cove at S end of island. 5 Comment
  RSA599178  Encelia californica Scott D. White 1997-3-12 4766 Los Angeles NW of Zuma Beach, Encinal Canyon Rd. between Pacific Coast Hwy and Mulholland Hwy. 305 Comment
  SD31208  Encelia californica Edith A. Purer 1931-3-26 Los Angeles Palos Verdes Hills. Comment
  UC1518752  Encelia californica Robert F. Thorne 1973-4-12 42923 Los Angeles Horse Cove San Clemente Island, Horse Cove (s end of island) 4 Comment
  UCR213515  Encelia californica A. C. Sanders, Karen Kirtland 2010-5-14 38345 Los Angeles South Coast, Palos Verdes Peninsula, San Ramon Canyon in city of Rancho Palos Verdes, near Los Angeles city boundary 201 Comment
  UCR178590  Encelia farinosa R. G. Swinney 1969-4-22 344 Los Angeles San Gabriel Valley, west side of junction of Sierra Madre Avenue and Vernon Ave., Azusa 198 Comment
  SBBG56464  Ephedra viridis R. Hoffmann 1929-5-19 Los Angeles Valyermo, Big Rock Crk Comment
  UC1965417  Ephedra viridis R. K. Brummitt & S. M. Namoff 2012-6-7 22037 Los Angeles Angeles National Forest, N of Littlerock, Big Rock Creek road, Sycamore Flat camp site Comment
  UCR55857  Ephedra viridis J. A. Adams 1964-5-1 33 Los Angeles San Gabriel Mtns./Mojave Desert, S of town of Valyermo at the edge of the Mojave Desert 1280 Comment
  RSA787209  Epilobium J. D. Olmsted 1959-6-23 667 Los Angeles Strawberry Creek drainage area. Along Strawberry Creek in Fern Valley NE of Idyllwild. 1677 Comment
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Nov 29 2014
  RSA747584  Epilobium brachycarpum R. G. Swinney 2005-8-22 8515 Los Angeles San Gabriel Mountains: Devil s Punchbowl County Park, lower Holcomb Canyon. 1280 Comment
  RSA774787  Epilobium brachycarpum R. G. Swinney 2009-7-23 11385 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA588394  Epilobium canum subsp. canum Geo. L. Moxley 1917-10-5 s.n. Los Angeles Hills near Eagle Rock Comment
  SBBG60118  Epilobium canum subsp. canum R. Hoffmann 1927-9-21 Los Angeles Ridge Route (US Hwy 99) Comment
  UC557763  Epilobium canum subsp. canum Nell Murbarger April, 1936 11 Los Angeles San Clemente Island Comment
  UC575721  Epilobium canum subsp. canum Lewis S. Rose 1934-12-27 34520 Los Angeles San Gabriel Canyon Comment
  UCR194064  Epilobium ciliatum R. G. Swinney, Dave Larson 1999-5-29 7219 Los Angeles San Gabriel Mtns., San Dimas Canyon, at waterfall in main fork c. 600 m north of confluence with East Fork 610 Comment
  RSA0127464  Epilobium ciliatum subsp. ciliatum Louis C. Wheeler 1967-7-18 10103 Los Angeles Gold Creek off Little Tujunga Canyon. 549 Comment
  UCR270840  Epilobium glaberrimum subsp. glaberrimum R. G. Swinney 2011-8-17 15618 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  POM1815  Epipactis gigantea F. M. Baldwin 1899-6-10 s.n. Los Angeles Burbank Canyon, Claremont, [San Gabriel Mountains]. 457 Comment
  RSA286781  Epipactis gigantea Robert F. Thorne, Larry E. DeBuhr 1974-6-28 44777 Los Angeles San Gabriel Mountains, Angeles National Forest: Lime Spring, tributary to Coldbrook Creek. 1250 Comment
  SEINET3865658 Image available Equisetum hyemale subsp. affine Timothy S. Ross, Steve Boyd 1994-5-24 7841 Los Angeles Flora of the Liebre Mountains. 'Cottonwood Swamp': Confluence of San Francisquito Canyon stream and two tributaries drainging off the southeast slops of Red Mountain. Warm Springs Mountain. 7.5' USGS Quadrangle.; 0 512 Comment
  RSA794889  Eragrostis cilianensis Justin M. Wood, Brandy Wood 2010-10-16 2941 Los Angeles City of Pomona: California State Polytechnic University, Pomona. Just southwest of intersection of Temple and Campus, just north of the Farm Store. 213 Comment
  UCR277060  Eragrostis mexicana R. G. Swinney 2011-9-22 15664 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), c. 300 meters north of lodge along service rd. 1073 Comment
  RSA77198  Eremalche exilis Margaret Stason, F. Brubaker 1930-5-18 8946 Los Angeles near Lancaster Comment
  RSA609012  Eremocarpus setiger L. C. Wheeler 1931-1 s.n. Los Angeles San Dimas: Puddingstone. Comment
  UC132312  Eremocarpus setiger J. and H. W. Grinnell 1906-8-26 363 Los Angeles vacant lot near Pasadena Comment
  RSA0105908  Eriastrum densifolium subsp. austromontanum K. C. Zakar 1969-07 s.n. Los Angeles San Francisquito Canyon, Saugus. 305 Comment
  UCR263292  Eriastrum densifolium subsp. austromontanum Anuja Parikh, Nathan Gale 2012-6-24 3594 Los Angeles Transverse Range, San Gabriel Mountains, Upper Tujunga Canyon, 0.3 km east-northeast of Shortcut Station, 0.7 km north of State Hwy 2, Angeles Crest Hwy 1317 Comment
  UCR126226  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1992-6-27 115 Los Angeles Western San Gabriel Mtns., southern mouth of Bee Canyon, c. 250 m SW of Antelope Valley Fwy (Hwy 14), immediately adjacent to north side of Soledad Canyon Road and further up wash several hundred meters 549 Comment
  CAS-BOT-BC514940  Eriastrum sapphirinum subsp. brevibracteatum Le Roy Abrams; E. A. McGregor 1908-6-20 359 Los Angeles LIebre Mountains 1371 Comment
  RSA0119519  Eriastrum sapphirinum subsp. dasyanthum R. G. Swinney 2014-4-23 16173 Los Angeles San Gabriel Mountains/Mojave Desert: East of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E.), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains. 1232 Comment
  CAS-BOT-BC514988  Eriastrum sapphirinum subsp. dasyanthum Peter H. Raven 1956-6-17 9421 Los Angeles Slopes NW of Sunset Blvd. at Sepulveda Blvd., Santa Monica Mts. Comment
  RSA589266  Ericameria cuneata var. spathulata Timothy S. Ross 1991-4-28 4763 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 926 Comment
  UCR242058  Ericameria ericoides Dan S. Cooper 2012-8-6 812- 54 Los Angeles South Coast, Culver City, northeastern edge of West Los Angeles College campus, along powerline right-of-way within and adjacent to Baldwin Hills oil fields 55 Comment
  UCR186657  Ericameria linearifolia A. C. Sanders 2006-5-16 32354 Los Angeles Tehachapi Mtns. Foothills, off Gorman Post Rd. near the Bailey Substation, c. 1 mile west of Quail Lake 1067 Comment
  CAS-BOT-BC299016  Ericameria nauseosa var. hololeuca H. M. Hall 1917-10-27 10586 Los Angeles 16 km W of Lancaster, Antelope Valley Comment
  SBBG138  Ericameria nauseosa var. hololeuca R. Hoffmann 1927-9-27 Los Angeles near Sandberg's Comment
  SD251193  Ericameria nauseosa var. oreophila Jane Tirrell 2012-8-20 LS 159 Los Angeles Transverse Ranges; San Gabriel Mountains region: North-facing bench along Pacific Crest Trail approx. 0.5 mi west of Windy Gap. 2436 Comment
  CAS-BOT-BC293121  Ericameria pinifolia Louis C. Wheeler 1931-10-17 260 Los Angeles Thompson Creek Wash 411 Comment
  SEINET13387003 Image available Ericameria pinifolia R. G. Swinney 2011-1 15688 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), near entrance gate along Camp Colby Rd., c. 0.5 road mile north of lodge (Chilao Flat 7.5' Q.) (T3N R12W S35) 1009 Comment
  LA200559  Eriodictyon crassifolium var. nigrescens Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  OBI28059  Eriodictyon crassifolium var. nigrescens David J. Keil, Dirk Walters 1977-4-30 12310 Los Angeles Ridge Rte, ca. 9 mi from jctn with Los Angeles Co. Rd N-2 Comment
  UC1124384  Eriodictyon crassifolium var. nigrescens Jerome S. Horton 1936-5-4 317 Los Angeles on West Fork Road divide between North Fork and West Fork San Dimas Canyon; Pomona Quad., , West Fork Rd. Comment
  CAS-BOT-BC188943  Eriodictyon parryi John H. Thomas 1957-5-8 6740 Los Angeles About 13 miles NE of center of Pasadena, San Gabriel Mountains 1676 Comment
  SJSU8886  Eriodictyon parryi H. E. McMinn 1931-7-5 2575 Los Angeles Ridge Rte, Tehachapi Mts Comment
  RSA777869  Eriodictyon trichocalyx R. G. Swinney 2009-6-12 11122 Los Angeles Shoemaker Canyon Rd., at Blind Deer Spring in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River. 652 Comment
  RSA191142  Eriodictyon trichocalyx var. trichocalyx Robert F. Thorne 1967-7-19 37153 Los Angeles Angeles National Forest: Above Crystal Lake Recreation Area between Deer Flat Campground and Big Cienega Springs. 1951 Comment
  RSA0135658  Eriogonum David E. Bramlet 2016-6-2 5311 Los Angeles Mt. Emma Road, 3,900 ft. northeast of Angeles Forest Highway, 6,000 ft. east of Kentucky Springs & 3,640 ft. south of BP&L Road. Northwest facing slope of Mt. Emma. 1209 Comment
  RSA5832  Eriogonum angulosum Carl B. Wolf 1932-10-21 4362 Los Angeles 0.5 mi. east of Palmdale. 808 Comment
  RSA766432  Eriogonum angulosum Fay A. MacFadden 1929-11-2 87 Los Angeles Near Palmdale. 823 Comment
  UCR126689  Eriogonum angulosum A. C. Sanders 2003-4-16 26024 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
  LA32289  Eriogonum cinereum Henry J. Thompson; 1958-10-10 1807 Los Angeles 60 Comment
  RSA393152  Eriogonum cinereum T. S. Clare 1929-3-3 s.n. Los Angeles Topango [Topanga] Canyon. Comment
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May 29 2014
  UCR217692  Eriogonum cinereum A. C. Sanders, Dan S. Cooper 2010-8-5 38559 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  RSA393176  Eriogonum davidsonii Roy R. Snelling 1977-4-18 10 Los Angeles 2 miles south of Pearblossom. 1067 Comment
  RSA579340  Eriogonum davidsonii Tim S. Ross, S. D. Boyd 1994-9-21 8302 Los Angeles Liebre Mountain: upper west summit area on broad northerly ridge extending northward toward Tentrock Canyon drainage; ca 340-460 m ENE of Sandberg Triangulation Point (5345-ft). (east into adjacent 64th section) 1607 Comment
  SD143792  Eriogonum davidsonii David Charlton 1989-10-7 4119 Los Angeles San Gabriel Mtns., Lake Hughes, Highway N-2 along San Andreas Fault W of Lancaster 915 Comment
  SEINET3087682 Image available Eriogonum davidsonii Steve Myers 1988-9-30 s.n. Los Angeles Palmdale area, N of Elizabeth Lake Rd. near the intersection with25th St. West Joshua tree woodland. Comment
  CAS-BOT-BC242758  Eriogonum davidsonii A. J. McC. 1893-8-16 186 Los Angeles Along Baldy trail 1524 Comment
  JEPS56687  Eriogonum davidsonii Joseph Andorfer Ewan 1934-8-4 8328 Los Angeles roadside, crest of Blue Ridge San Gabriel Mts., Blue Ridge 2438 Comment
  RSA766336  Eriogonum davidsonii Joseph A. Ewan 1934-8-3 8398 Los Angeles Swartout Valley, near county line. San Gabriel Mts. 1982 Comment
  IRVC28747  Eriogonum elongatum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25518 Los Angeles Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters NE end of Santa Susana Mtns. 313 Comment
  IRVC29074  Eriogonum elongatum June Latting 1976-10-6 s.n. Los Angeles Mountain foothills/Mojave Desert: Bob's Gap and Valyermo Road Transverse Ranges, San Gabriel Mountains 1250 Comment
  RSA762334  Eriogonum elongatum R. G. Swinney 2008-10-22 9674 Los Angeles Azusa, mouth of San Gabriel Canyon, 0.5 mi. upstream from entrance of Old San Gabriel Canyon Rd. at El Encanto 244 Comment
  POM293141  Eriogonum elongatum var. elongatum Lyman Benson 1946-10-16 12211 Los Angeles U. S. 99, valley just south of second summit north of Castaic. 762 Comment
  RSA279040  Eriogonum elongatum var. elongatum Robert F. Thorne 1971-4-23 41481 Los Angeles Angeles National Forest; NE of Chantry Flats along Santa Anita Creek. 549 Comment
  CDA22584  Eriogonum fasciculatum Phillipson 1915-8-2 Los Angeles Monrovia Comment
  LA206778  Eriogonum fasciculatum M. Zaitlin; 1951-3-17 sn Los Angeles San Gabriel Mountains, Angeles Crest Highway 761 Comment
  RSA0022370  Eriogonum fasciculatum Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5128 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  UCR155126  Eriogonum fasciculatum subsp. polifolium A. C. Sanders 2005-5-5 29924 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, hills at SW end of Cruzan Mesa at Bench Mark 'Plum 701 Comment
  LA52254  Eriogonum fasciculatum var. fasciculatum Tom O'Donnell; 1953-4-30 sn Los Angeles SANTA MONICA MOUNTAINS, La Sierra Canyon, near Seminole Hot Springs. 609 Comment
  RSA607816  Eriogonum fasciculatum var. foliolosum Louis C. Wheeler 1968-7-22 s.n. Los Angeles Devil's Canyon. 1433 Comment
  RSA725927  Eriogonum fasciculatum var. foliolosum Mark A. Elvin 2003-5-25 2927 -B Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Salt Creek, mesa in middle of Salt Creek drainage. 595 Comment
  SD40462  Eriogonum fasciculatum var. foliolosum Edith A. Purer 1931-2-11 Los Angeles Griffith Park, hillside Comment
  UC56797  Eriogonum fasciculatum var. foliolosum Miss E. D. Palmer Los Angeles Los Angeles Comment
  CAS-BOT-BC250103  Eriogonum fasciculatum var. polifolium Le Roy Abrams; E. A. McGregor 1908-7-2 549 Los Angeles Rock Creek, desert slopes of the San Gabriel Mountains 1158 Comment
  HSC34765  Eriogonum fasciculatum var. polifolium R. E. Cooksey 1972-4-18 34 Los Angeles San Gabriel Mtns., San Dimas Canyon, 6.2-7 mi. from Hwy. 66 and San Dimas Rd. 564 Comment
  RSA229200  Eriogonum fasciculatum var. polifolium Robert F. Thorne, C. W. Tilforth 1971-6-29 40729 Los Angeles San Gabriel Mountains, Angeles National Forest: along Lucas Creek S of Big Tujunga Narrows along Angeles Forest Road 915 Comment
  SBBG37222  Eriogonum giganteum var. giganteum K. K. Muller 1953-5-2 590 Los Angeles Swain Cyn near Camp Orizaba Comment
  UC1872969  Eriogonum giganteum var. giganteum John Knapp, Denise Knapp 2003-4-13 10 Los Angeles Catalina Island Comment
  JEPS56939  Eriogonum gracile Frank W. Peirson 1918-11-2 296 Los Angeles Hennigers Flats San Gabriel Mountains Comment
  CAS-BOT-BC253474  Eriogonum gracile John Thomas Howell 1927-10-9 3143 Los Angeles One miles sw. of San Fernando, San Fernando Valley Comment
  SEINET7856441  Eriogonum gracile var. gracile M. A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-14 3002 Los Angeles Santa Clarita Valley; Newhall Ranch, mouth of Castaic Creek, south of SR 126 290 Comment
  UCR127673  Eriogonum gracile var. gracile Mark A. Elvin 2003-8-13 2985 Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River at the mouth of Long Canyon 274 Comment
  RSA66033  Eriogonum gracile var. gracile F. W. Peirson 1928-9-4 8184 Los Angeles East of Palmdale. Comment
  CAS-BOT-BC261097  Eriogonum gracillimum W. R. Dudley; F. H. Lamb 1896-6-4 4326 Los Angeles Lancaster Comment
  NY43146  Eriogonum grande J. B. Walker 1995-6-5 1426 Los Angeles Santa Catalina Island, S end of White's Landing 3 Comment
  CAS-BOT-BC261178  Eriogonum heermannii var. heermannii Carl B. Wolf 1932-8-11 4009 Los Angeles Big Rock Creek, 1/8 mi. below Big Rock Ranger Station, desert slope of San Gabriel Mts. 1066 Comment
  RSA346918  Eriogonum kearneyi var. monoense James D. Morefield 1985-8-10 3056 Los Angeles Keaney Buckwheat: Sandy Saddle on N side of McAfee Creek at its mouth, 1.2 mile N40'E of Red Mtn, Fishlake Valley drainage. 1662 Comment
  RSA0005071  Eriogonum microtheca var. johnstonii I. M. Johnston 1917-9-16 1726 Los Angeles San Antonio Mts., west spur of Baldy. 2744 Comment
  SBBG64156  Eriogonum nudum var. pauciflorum J. Ewan 1929-7-10 Los Angeles Barley Flats 1716 Comment
  SFV6865  Eriogonum plumatella T. Gordon, K. A. Wilson, D. R. Perry 1974-8-14 569 Los Angeles Mojave Desert County Road N4 about 0.5 miles south of Highway 138. 1070 Comment
  UCR281394  Eriogonum plumatella R. G. Swinney 2014-4-24 16214 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
  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
  SBBG65220  Eriogonum pusillum R. Hoffmann 1929-5-19 Los Angeles between Big Rock Crk and Los Angeles Recreation Park Comment
  SFV1018  Eriogonum pusillum K. A. Wilson 1961-4-29 1170 Los Angeles Mojave Desert 1 mile northwest of Valyermo. 1085 Comment
  RSA765298  Eriogonum pusillum Doris Bowers 1957-5-10 852 Los Angeles Mohave Desert N/o Big Pines area 915 Comment
  CAS-BOT-BC252970  Eriogonum reniforme H. L. Mason 1926-4-26 3012 Los Angeles Near Rock Creek, Mohave Desert Comment
  CAS-BOT-BC267759  Eriogonum roseum John Thomas Howell 1927-11-13 3201 Los Angeles One and a half miles east of Elizabeth Lake, Lieber Mts. Comment
  SBBG1665  Eriogonum roseum H. and M. Dearing 1937-10-15 126 Los Angeles Mint Cyn Rd near Palmdale Comment
  UC184294  Eriogonum roseum A. D. E. Elmer June, 1902 3725 Los Angeles Acton Comment
  CAS-BOT-BC267607  Eriogonum saxatile James L. Reveal; Barbara J. Ertter 1976-6-28 4555 Los Angeles Angeles Forest Highway (California Highway N-3) in Aliso Canyon near the junction of Tie Creek, 1.2 mile north of Mill Creek Summit, San Gabriel Mountains 1371 Comment
  RSA729863  Eriogonum saxatile R. G. Swinney 1999-5-22 7186 Los Angeles East fork of Puzzle Canyon, south of old homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  RSA584872  Eriogonum saxatile Tim S. Ross, S. D. Boyd 1990-6-4 2796 Los Angeles ridge separating Moody Canyon (on the E) from Mill Canyon and Bootleggers Canyon (on the W). 1036 Comment
  UCR139375  Eriogonum thurberi I. M. Johnston 1917-5-13 978 Los Angeles San Gabriel Valley, San Gabriel Wash 152 Comment
  CAS-BOT-BC268211  Eriogonum umbellatum var. munzii Dr. H. E. Hasse 1893-8-1 s.n. Los Angeles Acton Comment
  UC1595311  Eriogonum umbellatum var. munzii Tim Ross, Steve Boyd 1990-6-18 3474 Los Angeles n draw draining to Jackson Lake (Camp Verdugo Pines and vicinity); San Gabriel Mts., Mescal Creek USGS 7.5' quad. 1877 Comment
  UCSB9111  Eriogonum vimineum Hoffmann, Ralph 1928-11-9 Los Angeles Acton Comment
  SD255835  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2010-10-8 14005 Los Angeles San Gabriel Mountains: Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge (Crystal Lake 7.5'Q) 2421 Comment
  UCR223403  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2009-7-23 11400 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
  RSA733569  Eriogonum wrightii var. subscaposum R. G. Swinney 1998-8-13 6739 Los Angeles San Gabriel Mtns.:Summit of Iron Mountain. 2427 Comment
  RSA782008  Eriogonum wrightii var. subscaposum Elizabeth A. Kempton, Eric Paul 2006-8-5 422 Los Angeles San Gabriel Mountains Region, along Hwy. 2 at mile marker 59.0, 1.2 mile west of Krafka Ski Ridge Resort, 2 miles E of Buckhorn Flat campground 1998 Comment
  UC1032327  Eriogonum wrightii var. trachygonum A. D. Gifford 1935-3-27 517 Los Angeles 2 3/4 mi nne Sawmill Pk.; Tejon Quadrangle Comment
  HSC84053  Eriophyllum confertiflorum David Charlton 1987-1-31 634 Los Angeles Saddle Peak 610 Comment
  RSA0088575  Eriophyllum confertiflorum R. G. Swinney 2010-5-29 13019 Los Angeles May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar. 939 Comment
  RSA527787  Eriophyllum confertiflorum Steve Boyd 1990-4-8 4353 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  RSA774242  Eriophyllum confertiflorum R. G. Swinney 2009-5-5 10630 Los Angeles Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  UCR261358  Eriophyllum confertiflorum R. G. Swinney 2010-6-21 13292 Los Angeles San Gabriel Mountains, 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
  JEPS34718  Eriophyllum confertiflorum var. confertiflorum F. W. Peirson 1920-9-12 2276 Los Angeles s trail Baldy; San Gabriel Mts., Baldy 2438 Comment
  LA203549  Eriophyllum confertiflorum var. confertiflorum A. M. Johnson; 1933-5-17 4287 Los Angeles Azusa flats Comment
  LA203576  Eriophyllum confertiflorum var. confertiflorum F. R. Fosberg; 1932-5-5 8104 Los Angeles Santa Catalina Island, Hill n. Avalon 40.0 Comment
  CAS-BOT-BC308344  Eriophyllum nevinii Nevin; Lyon 1884-4-1 s.n. Los Angeles San Clemente Island Comment
  CAS-BOT-BC308391  Eriophyllum pringlei John Thomas Howell 1930-5-12 4876 Los Angeles 1 mile north of Acton Comment
  RSA21242  Eriophyllum pringlei C. B. Wolf 1937-4-28 8513 Los Angeles Mojave Desert, Antelope Valley, 4.5 miles S of Lancaster. 716 Comment
  RSA595624  Eriophyllum pringlei L. C. Wheeler 1967-5-9 9381 Los Angeles Aliso Canyon, east of Acton, ca. 1 mile downstream from Wagon Wheel Ranch. 1067 Comment
  RSA679964  Eriophyllum pringlei LeRoy Gross, Orlando Mistretta, Valerie L. Sosa 2003-5-13 864 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway 1143 Comment
  UCR123645  Eriophyllum pringlei Steven R. Hill, K. Kramer 2001-4-22 33373 Los Angeles Southwestern Mojave Desert, South side of Calif. Hwy 138 (Pearblossom Hwy) just east of Palmdale and c. 1 mi west of Little Rock; W side of Little Rock Wash 860 Comment
  RSA0088589  Eriophyllum wallacei R. G. Swinney 2010-5-11 12672 Los Angeles East of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd. 872 Comment
  RSA252913  Eriophyllum wallacei R. F. Thorne, C. W. Tiforth 1973-4-20 43058 Los Angeles San Gabriel Mts., Mojave Desert slopes: 3.2 miles S of Hwy 138 along Grandview Canyon Rd. 1280 Comment
  RSA226191  Erodium cicutarium Gary D. Cromwell 1971-4-16 509 Los Angeles Mystic Canyon, 2 mi NE of Glendora Comment
  RSA650527  Erodium cicutarium Richard A. Goodfellow 1948-2-29 s.n. Los Angeles Corner of Wilson and Glendale Ave., Glendale 174 Comment
  RSA660846  Erodium cicutarium Ann Williams 1992-5-14 12 -92 Los Angeles End of Canyon Dr., .2 miles off Penn St. and 100 yds. E of Whittier College track. 152 Comment
  SBBG19185  Erodium cicutarium M. A. Piehl 1963-12-8 631094 Los Angeles Cave Cyn, 0.25 mi from mouth 30 Comment
  UCSB9869  Erodium cicutarium Haller, John 1950-3-30 Los Angeles UCLS; base o faculty hill; near Sunset Blvd Comment
  RSA187816  Erodium moschatum Robert F. Thorne, Percy C. Everett 1964-2-7 33458 Los Angeles Weed at lower end of Pebbly Beach Canyon at base of building, E end of Santa Catalina Island. 76 Comment
  SBBG31471  Erodium moschatum R. F. Thorne 1966-4-4 35748 Los Angeles isthmus 12 Comment
  SEINET269286  Erysimum capitatum Scott D. White, Chet McGaugh 1995-5-9 3012 Los Angeles East edge of santa Susana Mountains just west of San Gabriel Mountains 'Sunshine Canyon': west of san Fernando Road and 457 Comment
  UCR231150  Erysimum capitatum R. F. Thorne, James Henrickson 1963-5-5 32301 Los Angeles Transverse Ranges; San Gabriel Mountains Foothills, Cobal Canyon, 4 miles north of Claremont 518 Comment
  RSA530293  Erysimum capitatum var. capitatum Franklin W. Klepinger 1938-4-23 s.n. Los Angeles Malibu Lake region. Comment
  RSA654626  Erysimum capitatum var. capitatum Dan Milojevich 1981-5-22 54 Los Angeles Mt. Baldy Rd. at Padua Hills. Comment
  SBBG95390  Erythranthe cardinalis M. B. Dunkle 1928-5-13 1951 Los Angeles Cottonwood Cyn Comment
  SEINET14291734  Erythranthe guttata G. B. Grant, W. Wheeler 1904-1 789 6135 Los Angeles Santa Catalina Island, Pacific Ocean, off Southern California. Comment
  LA82465  Eschscholzia californica O. H. Kappler; 1944-4-30 595 Los Angeles Santa Monica Mountains, Escondido Canyon 761 Comment
  POM12314  Eschscholzia californica var. peninsularis F. L. Robinson 1921-5-9 75 Los Angeles Claremont. Comment
  RSA680100  Eschscholzia minutiflora LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 881 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway. 1143 Comment
  LA206227  Eschscholzia ramosa J. Sauer; D. L. Johnson 1969-5-10 4508 Los Angeles San Clemente Island, N of Eel Point, central W coast Comment
  RSA150917  Eschscholzia ramosa Peter H. Raven 1962-4-10 17233 Los Angeles Above Wilson Cove. San Clemente Island. 107 Comment
  RSA0010847  Eucalyptus camaldulensis Robert Gustafson 1981-4-14 2164 Los Angeles Ballona Wetlands, southwestern section of Area 2. Comment
  UCR91384  Eucalyptus maculata Scott D. White 1995-3-15 2577 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
  SBBG128227  Eucrypta chrysanthemifolia var. chrysanthemifolia M. L. Hoefs, S. A. Junak 2000-4-14 3071 Los Angeles hillside ca. halfway between Airport Rd and Goat Harbor 469 Comment
  UC457260  Eucrypta chrysanthemifolia var. chrysanthemifolia Carl Epling 1931-4-18 Los Angeles Los Alisos Canyon; Santa Monica Mountains Comment
  UCSB26239  Eucrypta micrantha Black, Nan 1968-4-6 Los Angeles 100 feet south of Santiago Canyon Road, 0.6 miles north of junction of Old Sierra Highway and Santiago Road, 4 miles northeast of Acton 914 Comment
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Jun 30 2013
  PASA693  Euphorbia albomarginata Ruth M. Evans 1931-3-15 Los Angeles Lone Hill, Glendora Comment
  UCR213925  Euphorbia maculata Justin M. Wood 2009-7-25 1159 Los Angeles San Gabriel Valley, city of Claremont, private residence on Ramona Ave, just southeast of intersection of Arrow Highway and Mills Ave. 351 Comment
  UCR281158  Euphorbia melanadenia R. G. Swinney 2014-6-5 16721 Los Angeles San Gabriel Mountains, Glendora, 0.48 miles north of Sierra Madre Ave. at Rainbow Dr. 381 Comment
  RSA661076  Euphorbia misera Orlando Mistretta 1992-4-5 184 Los Angeles Guds, San Clemente Island. Comment
  IRVC29588  Euphorbia spathulata A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-29 26149 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
  RSA593774  Euphorbia spathulata Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8557 Los Angeles Liebre Mountains, upper Osito Canyon between Interstate 5 and the Old Ridge Route on gentle slope with grassland patch and adjacent steeper slopes and canyon bottom. 780 Comment
  UCR56540  Euphorbia terracina A. C. Sanders 1987-12-4 7584 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr. 31 Comment
  SBBG31449  Extriplex californica R. F. Thorne 1966-4-5 Los Angeles Cottonwood Cyn 106 Comment
  OBI32625  Fallopia baldschuanica Oscar F. Clarke 1970-9-27 s.n. Los Angeles On rd to Mt. Baldy just E of flood control dam; at the base of Stoddard Cy, N of Upland Comment
  SEINET3350170 Image available Festuca californica Louis C. Wheeler 1968-1 Los Angeles San Gabriel Mountains: Northwest slope Smith Mt. , along Bear Creek Trail. 1250 Comment
  UCR126906  Festuca microstachys A. C. Sanders, Tricia Wotipka, Mark A. Elvin, and others 2003-4-29 26157 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
  UCR205588  Festuca microstachys R. G. Swinney 2008-5-13 8867 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, Holcomb Canyon at junction with South Fork Trail 1390 Comment
  RSA747078  Ficus carica R. G. Swinney 2008-5-30 8897 Los Angeles San Gabriel Canyon at El Encanto, west bank of the river. 256 Comment
  CAS-BOT-BC500443  Ficus microcarpa R. E. Riefner, Jr. 2015-4-25 15 -129 Los Angeles City of Los Angeles, Mt. Washington, W side of North Figueroa St. at Woodside Dr. 140 Comment
  RSA628700  Filago arizonica L. C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island. 0.3 mile south southeast Isthmus Bench Mark. 122 Comment
  UCR255784  Filago californica R. G. Swinney 2010-4-20 12298 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  RSA80364  Foeniculum vulgare L. C. Wheeler 1933-9-26 2129 Los Angeles San Gabriel Canyon, San Gabriel Mts. 335 Comment
  RSA0115262  Frangula californica subsp. californica Richard G. Swinney 2010-10-5 13960 Los Angeles San Gabriel Mountains: Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center. 463 Comment
  SBBG26925  Frangula californica subsp. californica I. W. Clokey, B. Templeton -Dec-1929 4603 Los Angeles Mandeville Cyn 300 Comment
  SEINET10898551  Frangula californica subsp. californica Douglas L. Holl 1997-10-9 Holland 114 Los Angeles City of Claremont. Rancho Santa Anna Botanic Garden. Cultivated collection. Originally wild collected from San Mateo, California; Pigeon Point, costal scrub. Source: Yerba Buena Nursery, 15 October 1992. Accession number - 18089. 152 Comment
  CAS-BOT-BC217366  Frasera neglecta S. B. Parish 1893-7-1 s.n. Los Angeles Rock Creek, San Bernardino Range Comment
  RSA530059  Frasera neglecta Tim S. Ross 1991-8-16 5848 Los Angeles San Gabriel Mountains, Horse Flats. 1720 Comment
  RSA350138  Fraxinus dipetala Wesley O. Griesel 1986-3-6 s.n. Los Angeles Las [Los] Pinetos Spring 915 Comment
  RSA0091976  Fraxinus pennsylvanica subsp. velutina R. G. Swinney 2011-11-1 15949 Los Angeles confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 634 Comment
  UCR270539  Fraxinus pennsylvanica subsp. velutina R. G. Swinney 2011-11-1 15949 Los Angeles San Gabriel Mountains, confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 671 Comment
  RSA0091524  Fraxinus velutina R. G. Swinney 2010-9-9 13793 Los Angeles Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  RSA320396  Fraxinus velutina Walter Wisura, B. Haner 1984-10-17 4024 Los Angeles 4.3 mi. fr. Hwy. 39 along W fork of San Gabriel River. Comment
  RSA589972  Fraxinus velutina Orlando Mistretta 1994-3-30 944 Los Angeles San Gabriel Mountains. Little Rock Creek . Slopes E of creek below Little Rock Dam. 960 Comment
  RSA127415  Fraxinus velutina var. coriacea H. J. Thompson 1959-3-22 1874 Los Angeles 0.25 mile from Triunfo Canyon, 2.5 miles W of Malibu Lake, Lobo Canyon. 213 Comment
  RSA600060  Fremontodendron californicum Steve D. Boyd, Lauren Raz 1997-5-20 9815 Los Angeles Liebre Mountains region: Eastern flank of Liebre Mountain, along ridge top firebreak near the head of the North Fork Fish Canyon, due north of Atmore meadows and west of the saddle between Liebre and Sawmill mountains. 1585 Comment
  RSA426873  Fremontodendron californicum subsp. californicum N. C. Cooper 1949-6-18 4199 Los Angeles Mt. Baldy Resorts 1829 Comment
  POM1728  Fritillaria biflora W. M. S s.n. Los Angeles South Hills [county not specified; Munz hand-wrote (Pomona) on label] Comment
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Mar 25 2014
  RSA367724  Fritillaria biflora Samuel R. Tyson 1943-3-26 s.n. Los Angeles San Dimas Canyon. 457 Comment
  RSA702457  Galium Gary D. Wallace 1978-2-12 1581 Los Angeles Palos Verdes Peninsula: N of Portuguese Bend at the end of Forrestall Drive. Comment
  RSA0039463  Galium angustifolium R. G. Swinney 2010-6-21 13251 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
  RSA752578  Galium angustifolium Justin M. Wood 2009-6-8 858 Los Angeles City of San Dimas, Sycamore Canyon, Falcon Ridge Ranch. 412 Comment
  RSA770904  Galium angustifolium Robert F. Thorne, Percy C. Everett 1965-5-12 34634 Los Angeles Santa Catalina Island, upper end of Middle Canyon. 305 Comment
  UCR190243  Galium angustifolium R. G. Swinney 2000-5-28 7788 Los Angeles San Gabriel Mtns., NE of Azusa, Rincon Redbox Road 2.1 mi. SW of Hwy 39 at Rincon Station 732 Comment
  UCR88691  Galium angustifolium Scott D. White 1995-10-19 3705 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  RSA652698  Galium angustifolium Phillip Robinson 1991-5-19 367 Los Angeles Sycamore Canyon 0.25 miles south of intersection of Beverly Blvd and Workman Mill Road. 1.5 miles east of Workman Mill Rd on trail into Canyon. [City of Industry, sw of Rio Hondo College, east of 605 Fwy] Comment
  RSA562553  Galium angustifolium subsp. angustifolium Steve D. Boyd, Orlando Mistretta 1993-5-11 8128 Los Angeles North of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Western edge of Forest on ridge dividing Whitney Canyon and Placerita Canyon. 488 Comment
  RSA680060  Galium angustifolium subsp. angustifolium Mark A. Elvin, Michael Wall, Scott Koukol, Sylvia Engstrom 1996-9-11 356 Los Angeles Angeles National Forest. San Gabriel Mountains. Glendora Ridge Road. 1.8 mi W of gate. Comment
  UC888705  Galium angustifolium subsp. angustifolium F. R. Fosberg 1929-4-8 S 2534 Los Angeles Avalon Canyon Santa Catalina Island Comment
  UCR272355  Galium angustifolium subsp. angustifolium R. G. Swinney 2011-6-20 15230 Los Angeles San Gabriel Mountains, Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail 1573 Comment
  RSA660407  Galium angustifolium subsp. angustifolium Orlando Mistretta 1992-5-21 368 Los Angeles Right Star Mine, S of Acton. Comment
  CATA1633  Galium aparine Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Lisa Stratton 1998-5-2 2906 Los Angeles Santa Catalina Island: Near divide road, east end, 1.7 miles from Wrigley Memorial 256 Comment
  POM367618  Galium aparine L. E. Hoffman s.n. Los Angeles Millard's Canyon, Angeles Forest. Comment
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Jan 1 2017
  UC1143140  Galium aparine A. D. Gifford 1935-3-17 494 Los Angeles 2 1/2 mi sw Red Mountain; Angeles National Forest, Tejon Quadrangle 518 Comment
  UC1587718  Galium aparine Tim Ross, Orlando Mistretta, Mike Hammit 1991-5-19 5261 Los Angeles westerly fork of canyon draining to Mosquito Cove ([drainage beginning 800 ft n of Rest [1336'] marker, 1800 ft se of Malo Knoll [1396'], beginning of drainage); San Clemente Island, Near-Death Canyon 384 Comment
  RSA652699  Galium aparine Phillip Robinson 1991-5-19 377 Los Angeles Sycamore Canyon 0.25 miles south of Bererly Blvd and WOrkman Mill Road. 2.2 miles east of Workman Mill Road on trail into Canyon. [City of Industry, sw of Rio Hondo College, east of 605 Fwy]. At end of right fork of trail. Comment
  CATA3550  Galium catalinense Peter J. Dixon 2018-5-30 114 Los Angeles Santa Catalina Island: Channel side; Avalon, near Cabrillo Mole (ferry terminal); Steep, rocky, n-facing bluff, diorite. 15 Comment
  JEPS27192  Galium catalinense subsp. acrispum Reid Moran 1958-9-15 6822 Los Angeles canyon 1.8 mi se Eel Point; San Clemente Island 100 Comment
  RSA3705  Galium catalinense subsp. catalinense Carl B. Wolf 1932-5-11 3552 Los Angeles Hillside W. of Isthmus harbor. Santa Catalina Island. 15 Comment
  RSA656930  Galium grande Valerie L. Soza, Wayne Law, Laura Moore 2000-7-7 1056 Los Angeles San Gabriel Mountains: North of Mt. Bliss, Van Tassel Truck Trail (FS Road 1N36), 0.15 mile north of junction of Van Tassel Truck Trail and Van Tassel Road (FS Road 1N36A). 1082 Comment
  RSA0051339  Galium hallii Valerie Soza 2004-6-17 1724 b Los Angeles San Gabriel Mountains, along Hwy 2, at Vincent Gap trailhead to Mt. Baden-Powell. 2026 Comment
  RSA600082  Galium hallii Steve D. Boyd, Lauren Raz 1997-5-20 9796 A Los Angeles Liebre Mountains region: Northern flank of Sawmill Mountain, upper Heryford Canyon drainage, just northeast of Sawmill Summit at the junction of Forest Service roads 7N23 and 7N08. 1341 Comment
  UCR101309  Galium hallii L. C. Wheeler 1946-8-29 6309 Los Angeles San Gabriel Mtns., Vincent Gap 2012 Comment
  RSA202689  Galium johnstonii Lauramay T. Dempster, Clare B. Hardham 1965-6-16 4118 Los Angeles On Angeles Crest Highway, just south of Upper Chilao Recreation Area, San Gabriel Mountains. Comment
  UCD121800  Galium johnstonii Robert F. Thorne; M. Z. Thorne 1967-7-19 37168 Los Angeles San Gabriel Mts., Angeles National Forest: Big Cienega Springs, above Crystal Lake Recreation Area. 1981 Comment
  UCR223652  Galium johnstonii R. G. Swinney 2009-6-24 11268 Los Angeles Transverse Range; San Gabriel Mtns., summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1926 Comment
  CATA1041  Galium nuttallii subsp. insulare Mark L. Hoefs 1995-5-10 1967 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail 70 Comment
  RSA454420  Galium nuttallii subsp. insulare F. R. Fosberg 1931-4-22 7165 Los Angeles Santa Catalina Island. Ridge above Eagles Nest, Middle Ranch Canyon 200 Comment
  SD84897  Galium nuttallii subsp. insulare Reid Moran, 23 Feb 1941 1941-2-23 606 Los Angeles Santa Catalina Island: South of Johnson's Valley. On grassy hillsdide. 199 Comment
  JEPS27069  Galium parishii Ehrendorfer and Grant 1959-6-14 5902 Los Angeles hills about 2 mi n Big Pines; San Gabriel Mts. 1981 Comment
  UC1375297  Galium parishii Robert F. Thorne, C. W. Tilforth, and John Dourley 1971-7-27 41081 Los Angeles e ridge Mt. San Antonio (Old Baldy); San Gabriel Mts., Angeles National Forest Comment
  JEPS27068  Galium parishii Friedrich Ehrendorfer 1959-7-29 Los Angeles Mt. Baldy San Gabriel Mts. Comment
  RSA599179  Galium porrigens Scott D. White 1997-3-12 4767 Los Angeles NW of Zuma Beach, Encinal Canyon Rd. between Pacific Coast Hwy and Mulholland Hwy. 305 Comment
  RSA773300  Galium porrigens R. G. Swinney 2009-6-8 11065 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR270251  Galium porrigens R. G. Swinney 2011-10-10 15734 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  RSA710758  Gamochaeta pensylvanica Valerie L. Soza, Bill Hogshead 2003-4-23 1639 Los Angeles Brand Park, Brand Canyon. 457 Comment
  UCR139267  Gamochaeta pensylvanica A. C. Sanders 2003-5-22 26832 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel 171 Comment
  CAS-BOT-BC303403  Gamochaeta ustulata Carl B. Wolf 1932-5-10 3513 Los Angeles Santa Catalina Island: Avalon Canyon, above the last almond orchard 121 Comment
  UC1122644  Garrya flavescens G. T. Nordstrom 1935-1-25 315 Los Angeles 1 mi ssw of entrance Peace Valley; Santa Barbara National Forest, Tejon Quad. 914 Comment
  UCR270538  Garrya flavescens R. G. Swinney 2011-7-21 15528 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  CAS-BOT-BC158009  Garrya veatchii Louis C. Wheeler 1931-12-30 424 Los Angeles San Antonio Wash 670 Comment
  POM3304  Garrya veatchii I. M. Johnston 1918-5-19 1984 Los Angeles San Antonio Canyon. 1067 Comment
  SBBG131775  Gastridium phleoides S. A. Junak 1999-5-20 SCa 932 Los Angeles ridge between Cottonwood and Escondido Cyn, on S side of Cottonwood-Blackjack Rd, ca. 0.6 mi up from reservoir 256 Comment
  UCR223440  Gayophytum diffusum R. G. Swinney 2009-6-3 11056 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
  POM355352  Gayophytum oligospermum Fordyce Grinnell Jr. 1910-6-4 s.n. Los Angeles San Gabriel Mountains Comment
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Feb 3 2011
  UC1584734  Gazania linearis Tim Ross and Annette Ross 1991-6-3 5510 Los Angeles near the s base of Elephant Hill (west Pomona); , Pomona 249 Comment
  LA202298  Genista monspessulana Arthur C. Gibson; 2005-5-12 5042 Los Angeles Comment
  JEPS61406  Geranium californicum unknown 1900-10-1 610 Los Angeles Clifton Comment
  CAS-BOT-BC539374  Gilia R. G. Swinney 2008-5-8 8791 Los Angeles San Gabriel Mtns: West Fork Punchbowl Canyon near north boundary of Devils Punchboal Co. Park, 0.6. mi SW of Big Rock Creek Rd 1263 Comment
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Aug 14 2017
  RSA470085  Gilia achilleifolia subsp. achilleifolia John P. Hill 1933-4-6 s.n. Los Angeles Verdugo Woodlands Comment
  UCR100413  Gilia achilleifolia subsp. achilleifolia Scott D. White, Chet McGaugh 1995-5-16 3081 Los Angeles Transverse Range; eastern Santa Susana Mtns, just west of San Gabriel mountains. 'Sunshine Canyon' (name not on topo), west of San Fernando Rd and Hwy I-5, just SW of interchange with Calif. Rte 14 Fwy 488 Comment
  HSC34731  Gilia achilleifolia subsp. multicaulis R. E. Cooksey 1972-4-10 29 Los Angeles Blanchard Park, Pomona College 335 Comment
  RSA690964  Gilia aliquanta subsp. aliquanta J. Mark Porter, Lauren Machen 2004-5-2 14093 Los Angeles San Gabriel mountains, northern foothills; along Big Pines Highway, neare the 2.4 mile marker. 1402 Comment
  UC963973  Gilia aliquanta subsp. aliquanta R. F. Hoover 1938-4-16 3121 Los Angeles near Bailey's; Upper Antelope Valley Comment
  RSA549587  Gilia aliquanta subsp. breviloba T. S. Ross 1992-4-4 6078 Los Angeles Adobe Mountain: SW Mojave Desert. 927 Comment
  RSA755939  Gilia aliquanta subsp. breviloba Orlando Mistretta, Christine Mistretta 2008-4-10 2411 Los Angeles Ritter Ridge, SW of Quartz Hill. Along SCE transmission lines just S. of California Aqueduct . (Segment 5, structure 17 per TRTP survey - 2008) 919 Comment
  POM50156  Gilia angelensis L. R. Abrams 1901-04 1406 Los Angeles Verdugo Hills Comment
  SFV21730  Gilia angelensis A. Dittmer 2005-1-26 81 Los Angeles Santa Monica Mountains Red Rock Canyon, about 0.25 miles from main parking inside eastern entrance of park. 350 Comment
  UCR215972  Gilia angelensis R. G. Swinney 2005-4-30 8228 Los Angeles San Gabriel Mountains, Glendora, 'Morgan Canyon Plateau' adjacent to and east of Morgan Canyon 418 Comment
  RSA470239  Gilia capitata subsp. abrotanifolia C. Epling 1931-3-18 s.n. Los Angeles Los Alisos Canyon. Comment
  SD38804  Gilia capitata subsp. abrotanifolia Edith A. Purer 1935-5-11 6560 Los Angeles Milibou Road, Santa Monica Mountains. Comment
  RSA470238  Gilia capitata subsp. abrotanifolia Freda Detmers, Purer 1931-4-28 s.n. Los Angeles Palos Verdes Hills. Comment
  RSA590551  Gilia capitata subsp. abrotanifolia T. S. Ross, Walter Appleby 1993-5-19 7166 Los Angeles Western San Gabriel Mtns: ca.80m S of Wilson Canyon Saddle along old loop road 951 Comment
  UCSB18553  Gilia capitata subsp. abrotanifolia Winn, Will 1963-5-3 Los Angeles Mint Canyon Campground, U.S. Highway 6, 7.7 miles north of Solemint 640 Comment
  RSA0070130  Gilia latiflora subsp. davyi Orlando Mistretta, Christine Mistretta 2003-4-30 1985 Los Angeles Lake Los Angeles. SE corner of Avenue N and 170th Street. 443 Comment
  RSA60285  Gilia latiflora subsp. davyi E. K. Balls, Lee W. Lenz 1950-3-28 14470 Los Angeles 1 mile east of Quail Lake, Antelope Valley. 1067 Comment
  SEINET12278787  Gilia latifolia J. F. Bright, Wyman, C. 1931-1 5296 Los Angeles Antelope Valley Comment
  UCR223744  Gilia leptantha subsp. transversa R. G. Swinney 2009-6-24 11241 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  UCR192589  Gilia ochroleuca A. C. Sanders 2008-4-10 34818 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
  SBBG64489  Gilia ochroleuca subsp. bizonata R. Hoffmann 1928-7-9 Los Angeles Pine Cyn Comment
  UCR193162  Gilia ochroleuca subsp. bizonata R. G. Swinney 1998-7-14 6437 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, 0.2-0.3 mi. west of Camp Lupine trail 2247 Comment
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May 3 2012
  CAS-BOT-BC401989  Gilia ochroleuca subsp. bizonata Robert F. Thorne; G. Wallace 1973-4-24 43432 Los Angeles San Gabriel Mts., Mojave Desert slope: along Ft. Tejon Road near junction with Longview Road, c. 3 mi S of Pearblossom Raod 1066 Comment
  UC908885  Gilia ochroleuca subsp. vivida Frank W. Peirson 1928-6-2 7934 Los Angeles S Fork Rock Cr , S. Fork Rock Cr. (San Gabriel Mts.) 1981 Comment
  CAS-BOT-BC402070  Gilia ochroleuca subsp. vivida Wesley O. Griesel 1962-6-6 s.n. Los Angeles State Hwy. 2, east of Newcomb's Ranch, San Gabriel Mts. 1828 Comment
  UCR60815  Gilia sinuata Steve Boyd, Orlando Mistretta 1986-3-31 1528 Los Angeles Mojave Desert, Hwy 138, 4 mi east of junction with Hwy 18, NE of Pinyon Hills Comment
  LA32023  Glebionis coronaria Peter H. Raven; Henry J. Thompson 1959-6-4 14325 Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  RSA613124  Gnaphalium californicum E. Hewgley, J. Gural 1997-4-27 19 Los Angeles Claremont, Bernard Field Station of the Claremont Colleges, NW corner of Mills Avenue and Foothill Blvd. 412 Comment
  UCR172446  Gnaphalium stramineum Anuja Parikh, Nathan Gale 2005-7-8 2131 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills between Potrero Canyon and Long Canyon, study area 25 412 Comment
  RSA337432  Grayia spinosa R. F. Thorne, Gary D. Wallace 1973-4-25 43398 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1/4 mi N of Bob's Gap, 3.5 mi S of Llano, N slope of Holcomb Ridge. 1159 Comment
  RSA728294  Grayia spinosa Gary D. Wallace, B. Gustafson, Dave Minor, M. Wallace, F. Runyon, B. Birdsal 1982-4-26 1957 Los Angeles Fort Tejon Road Comment
  SD231279  Grayia spinosa Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 72 Los Angeles Transverse Ranges; San Gabriel Mountains region: Bob's Gap. At the south edge of Bob's Gap, on slopes and roadside, and down in the wash. 1444 Comment
  OBI34892  Grindelia stricta var. platyphylla David J. Keil 1983-8-23 17866 Los Angeles Just W of Leo Carillo State beach along hwy 1 , ca. 1 mi E of Ventura Cnty line. Comment
  UCR276915  Gutierrezia californica R. G. Swinney 2011-3-29 14282 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
  UCR103761  Gutierrezia microcephala David Charlton, Robb Fishman 1990-8-30 3930 Los Angeles Western Mojave Desert, Palmdale, corner of Ave 'R' and 30th Street East, c. 1 mile south of Hwy 138 808 Comment
  SBBG109022  Hainardia cylindrica S. A. Junak 1996-5-14 SCl 452 Los Angeles E side of San Clemente Ridge Rd, ca. 0.1 mi S of intersection with Horton Rd 472 Comment
  SBBG127526  Hainardia cylindrica M. L. Hoefs, S. A. Junak, M. Gay 1997-6-6 2786 Los Angeles upper Buffalo Springs reservoir 435 Comment
  UC112087  Halleria lucida H. M. Hall 1907-6-7 7933 Los Angeles Los Angeles Calif. (Elysian Park) Comment
  POM369714  Harpagonella palmeri F. R. Fosberg 1931-4-24 S 4701 Los Angeles East slopes of Black Jack {Canyon}. Santa Catalina Island. 300 Comment
  SEINET4044561 Image available Hazardia squarrosa D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 289 Comment
  SBBG13699  Hazardia squarrosa var. grindelioides E. R. Blakley 1961-9-25 4754 Los Angeles small cyn at E end of Isthmus Harbor 30 Comment
  RSA0115823  Hazardia squarrosa var. squarrosa Steven A. Junak 1999-9-9 SCa- 1078 Los Angeles Santa Catalina Island. E side of ridge between Toyon Bay & Gallagher Cove. 98 Comment
  UCR50857  Hedypnois cretica A. C. Sanders 1988-5-18 7825 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  JEPS26542  Helenium bigelovii Peter Kamb 1947-9-28 737 Los Angeles Little Jimmy Springs San Gabriel Mts., Little Jimmy Springs 2286 Comment
  SFV13210  Helenium bigelovii W. M. Perry Oct 1980 130 Los Angeles San Gabriel Mountains Mount Baldy. 1524 Comment
  RSA188265  Helianthemum scoparium R. F. Thorne, Sherwin Carlquist, K. Thorne 1966-4-29 36314 Los Angeles Santa Catalina Island Comment
  RSA0081314  Helianthus annuus R. G. Swinney 2010-4-28 12411 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA600756  Helianthus annuus L. C. Wheeler 1967-6-16 9856 Los Angeles San Gabriel Mountains : North side of Sunset Ridge under power line, Millard Canyon. 579 Comment
  UCR209319  Helianthus annuus A. C. Sanders 2009-11-6 37225 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA0085070  Helianthus annuus L. C. Wheeler 1967-7-6 9927 Los Angeles San Gabriel Mountains: San Dimas Canyon. 457 Comment
  CAS-BOT-BC305696  Helianthus gracilentus Moxley; Grinnell 1916-6-15 477 Los Angeles Hills near Santa Susanna [Susana] Pass Comment
  UCR258812  Helianthus gracilentus R. G. Swinney 2010-5-25 12977 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  SD252295  Heliotropium curassavicum Steven A. Junak 2000-6-30 Sca 1357 Los Angeles Santa Catalina Island: At upper end of Little Harbot, near camp area, campground (N end) 7 Comment
  RSA765053  Heliotropium curassavicum var. oculatum Doris Bowers 1970-5-13 1524 Los Angeles Bixby Slough S/E of Harbor College Stadium N/o San Pedro 61 Comment
  POM158315  Hemizonia clementina M. B. Dunkle 1928-4-29 1899 Los Angeles Santa Catalina Island. Little Harbor Comment
  RSA248829  Hemizonia clementina R. F. Thorne 1973-4-12 42888 Los Angeles San Clemente Island, plateau near Cutlass above old dam. 198 Comment
  RSA702377  Hemizonia fasciculata Scott D. White, Pam De Vries 2004-5-18 10414 Los Angeles Eastern Santa Susana Mtns. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  UCR205709  Hemizonia fasciculata A. C. Sanders, T. B. Salvato 2009-5-18 36806 Los Angeles San Gabriel Valley, Montebello Hills, north side of the Pomona (60) Freeway, SW of Greenwood Ave., south of Potrero Grande Dr., under SCE powerlines near substation 116 Comment
  UCR99407  Hemizonia parryi subsp. australis D. E. Bramlet 1996-10-22 2480 Los Angeles South Coast 7.5' Q., Texaco Bryant Lease Oil Field, c. 91.6 m SE of the intersection of Studebaker Rd. and Westminister Ave., 412 m west of San Gabriel river 3 Comment
  SBBG117015  Herniaria hirsuta var. cinerea S. A. Junak with R. N. Philbrick 2001-5-18 SCa 1544 Los Angeles Cottonwood Cyn, along Cottonwood-Blackjack Rd, ca. 1.65 mi WSW of Blackjack Pk 304 Comment
  CDA22262  Hesperocnide tenella L. C. Wheeler 1973-4-9 s.n. Los Angeles San Gabriel Mountains; San Gabriel Mountains: Lower Millard Canyon, just south of culvert.. . 0 Comment
  CAS-BOT-BC135945  Hesperoyucca whipplei Marcus E. Jones 1926-6-7 s.n. Los Angeles Ridge Route Comment
  RSA0110531  Heterocodon rariflorum R. G. Swinney 2011-6-15 15204 Los Angeles San Gabriel Mountains; Chilao Flat, north of south entrance road to Chilao Flat Campground, 0.1 mile west of Angeles Crest Hwy. 1631 Comment
  CAS-BOT-BC158127  Heteromeles arbutifolia Sandra Murcia; Gregg Miller 2006-3-10 s.n. Los Angeles South Coast: Palos Verdes Peninsula, NW corner of the intersection of Crestridge Road and Crenshaw Boulevard in the city of Rancho Palo Verdes 366 Comment
  CATA15  Heteromeles arbutifolia USC Wrigley Interns: Daniel Kasang, Alexandria Cheung, Sabrina Lawrence-Gomez, Miller Zou, Sarah Ratay 2011-7-1 3 Los Angeles Santa Catalina Island: Deer Valley Trail 4 Comment
  CHSC26112  Heteromeles arbutifolia James Henrickson 1971-6-20 5591 Los Angeles Cultivated at Rancho Santa Ana Botanic Garden in Claremont. Comment
  RSA660225  Heteromeles arbutifolia Fred Brooks, P. Sobkowiak 1988-4-23 14 Los Angeles San Antonio Canyon, [San Gabriel Mountains] below the first tunnel 915 Comment
  SD141296  Heteromeles arbutifolia var. macrocarpa Reid Moran 1958-9-16 6847 Los Angeles San Clemente Island, Wash Rocky Canyon, 2 miles SE of Eel Point Comment
  RSA0074519  Heterotheca fastigiata Anstruther Davidson 1441 Los Angeles Rock Creek Comment
  CLARK-A1528-1929  Heterotheca grandiflora John C. Roos 1942-9-26 1715 Los Angeles Los Angeles Comment
  RSA0034283  Heterotheca grandiflora Benjamin E Carter 2012-8-23 6989 Los Angeles Channel Islands: Santa Catalina Island. Airport Road, ca. 1/4 mi north of Middle Ranch Road. 405 Comment
  UCSB9947  Heterotheca grandiflora Wedberg, H. 1958-2-22 Los Angeles On Point Dume Comment
  RSA0074402  Heterotheca grandiflora Robert Gustafson 1980-7-9 1796 Los Angeles Ballona Wetlands, Area 3. Comment
  RSA0074405  Heterotheca grandiflora M. B. Dunkle 1932-1-10 2858 Los Angeles Silver Canyon Trail, Santa Catalina Island. Comment
  SEINET11847936  Heterotheca grandiflora J. F. Bright, Wyman, C. 1931-1 5754 Los Angeles Hollywood Comment
  RSA0063269  Heuchera elegans F. W. Peirson 1921-6-17 2669 Los Angeles Divide between Little Rock Creek and Bear Creek, north side of San Gabriel Mountains. 1921 Comment
  RSA585432  Holodiscus microphyllus Tim S. Ross, Steve D. Boyd 1990-5-31 2726 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  RSA733568  Holodiscus microphyllus R. G. Swinney 1998-8-13 6738 Los Angeles San Gabriel Mtns.:Summit of Iron Mountain. 2427 Comment
  RSA0115304  Hordeum intercedens Steven A. Junak 2001-5-3 SCa- 1464 Los Angeles Santa Catalina Island. Just N of Airport Road, above head of Swain's Canyon. 408 Comment
  CDA2188  Hordeum marinum subsp. gussoneanum L. C. Wheeler 1967-5-18 9662 Los Angeles Placerita Canyon, San Gabriel Mountains. Comment
  RSA599764  Hordeum marinum subsp. gussoneanum Steve Boyd, Dave Bramlet, Harry Spilman, Nancy Hanson, Susan Hobbs 1997-5-10 9783 Los Angeles Along Old Ridge Route north of Templin Highway and northwest of the confluence of Castaic Creek and Fish Creek, ca 600m southeast of transit station Hiway., Near 34? 37' 00N 118 ? 40' 58.8W 975 Comment
  UCR186928  Hordeum murinum A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32026 Los Angeles Tehachapi Mtns. Foothills, west end of Antelope Valley, north of Hwy 138 near mouth of Tentrock Canyon, c. 1 mile NW of La Liebre Ranch (High Desert Hunt Club) buildings 945 Comment
  UCR267157  Hordeum murinum Dan S. Cooper 2015-3-3 315- 13 Los Angeles Los Angeles Basin/Western Transverse Range, open space in Griffith Park, edge of debris basin at end of Primera Ave. 223 Comment
  CAS-BOT-BC289340  Hordeum murinum subsp. glaucum Alice Eastwood 1906-5-27 155 Los Angeles San Pedro Comment
  RSA157803  Hordeum murinum subsp. glaucum P. H. Raven 1962-5-9 17673 Los Angeles Canyon south of Mosquito Cove, San Clemente Island 320 Comment
  RSA499239  Horkelia cuneata subsp. puberula Jack Rempel 1932-4-24 s.n. Los Angeles El Segundo. Comment
  RSA0091508  Horkelia rydbergii R. G. Swinney 2011-10-10 15748 Los Angeles east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1537 Comment
  UCD106088  Hosackia crassifolia Marian Vincent 1964-6-24 594 Los Angeles Wrightwood Road. Big Pine camping area across the road from Meseal Camp. Comment
  SD111574  Hosackia crassifolia var. crassifolia Wayne P. Armstrong 1982-6-12 Los Angeles SE firebreak ridge of Lookout Mountain, in shady canyon 1750 Comment
  UC19041  Hypericum formosum var. scouleri unknown Los Angeles Claremont Comment
  RSA653746  Hypochaeris glabra Valerie L. Soza, LeRoy Gross, Adelina Munoz 2000-5-12 890 Los Angeles Verdugo Mountains, northeast side: Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. Fire road south from Engleheard Canyon to powerlines. 396 Comment
  SD39593  Hypochaeris glabra Edith A. Purer 1932-4-23 2779 Los Angeles El Segundo Comment
  SEINET10480609  Idria columnaris Jon Ricketson, Heidi H. Schmidt 1992-10-21 Ricketson 4834 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Garden, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  RSA125339  Ipomoea acuminata P. H. Raven 1957-9-21 11344 Los Angeles West Channel Road, Santa Monica. 91 Comment
  SFV12574  Ipomoea purpurea M. H. Grayum 1977-11-24 869 Los Angeles San Fernando Valley Sepulveda Basin. Along Los Angeles River, between dam and Burbank Blvd. 207 Comment
  SFV16491  Isocoma menziesii P. M. Schiffman, R. van de Hoek 1996-11-3 s. n. Los Angeles California Channel Islands Santa Catalina Island. Along ridge above White's Landing. Comment
  JEPS30527  Isocoma menziesii var. sedoides Henry J. Thompson 1958-10-23 1814 Los Angeles above the beach Point Dume; Santa Monica Mountains 30 Comment
  IRVC28615  Isomeris arborea A. C. Sanders, Mark Elvin 2002-6-20 25242 Los Angeles Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river NE end of Santa Susana Mtns. 290 Comment
  RSA725884  Isomeris arborea R. G. Swinney 1997-2-22 5407 Los Angeles San Gabriel Mtns.: Duarte, due wet of Fish Canyon mouth, south spur of SW end of Van Tassel Ridge. 579 Comment
  UC32935  Iva axillaris subsp. robustior J. Burtt Davy May 9 1896-May 24 1896 2571 Los Angeles near Llano Verde; West Palmdale [Anaverde Creek, or Valley] Comment
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Sep 16 2015
  SEINET11446673 Image available Jaumea carnosa G. B. Grant 1904-6-10 625 Los Angeles Redondo Comment
  RSA785731  Juglans californica Carrie A. Herd 1982-4-7 69 Los Angeles Walnut, Mt. San Antonio College Comment
  UCR282525  Juglans californica D. E. Bramlet 2011-5-10 4828 Los Angeles Puente Hills, 610 ft south of Powder Cyn., 368 ft. south of Fullerton Rd., 1,385 ft. west of N Harbor Blvd. 213 Comment
  UCR177169  Juglans californica var. californica LeRoy Gross, Valerie Soza 2001-5-31 392 Los Angeles Los Angeles Basin, Vedugo Mountains Region: Southeast side. Along Las Flores Mountain Way, dirt road south of Polaris Dr. 396 Comment
  UCR270769  Juglans californica var. californica Mike Misenhelter 2016-4-15 s.n. Los Angeles Diamond Bar Creek, City of Industry, Grand Ave. north side of Hwy 57/60 freeway 215 Comment
  RSA780937  Juglans nigra A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37164 Los Angeles Whittier Narrows near South El Monte, north of San Gabriel River channel and SE of Durfee Ave., west half of Whittier Narrows Nature Center along SCE powerlines 69 Comment
  CHSC35498  Juglans regia James Henrickson 1979-5-18 18124 Los Angeles Ca 2 miles SE of Newhall, N of San Fernando Road, ca 1 mile NW of Hwy 14; open weedy flats S of creek. 402 Comment
  UCR209207  Juglans regia A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37165 Los Angeles San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  SD112064  Juncus acutus Linda Allen, Betsy Carpenter 1975-3-21 Los Angeles Cottonwood Creek. On streams running westward to Pacific Ocean. Comment
  RSA583016  Juncus acutus subsp. leopoldii Timothy S. Ross, Janet Takara, S. Otte 1993-4-24 6945 Los Angeles Santa Catalina Island: W end of Island beyond the isthmus, on main east west ridgtop, upper NW slope of Silver Peak (West Peak Triangulation Pt, 1804ft) 527 Comment
  UCR203220  Juncus balticus R. G. Swinney 2005-7-21 8316 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
  UCR204827  Juncus balticus R. G. Swinney 2005-8-22 8507 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, lower Holcomb Canyon 1354 Comment
  UCR222998  Juncus balticus R. G. Swinney 2009-5-6 10658 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 1085 Comment
  UCR222999  Juncus bufonius R. G. Swinney 2009-6-2 11022 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
  UCR275338  Juncus bufonius Jeremiah George 2011-6-5 s.n. Los Angeles South Coast, Torrance, behind (east of) Bishop Montgomery High School, south of Torrance Blvd. and west of Palos Verdes Blvd. 21 Comment
  RSA755826  Juncus macrophyllus R. G. Swinney 2008-10-7 9486 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak 1622 Comment
  RSA729708  Juncus mexicanus R. G. Swinney 1999-6-18 7330 Los Angeles San Gabriel Mtns.: Boulder Canyon north of Big John Flat. 1573 Comment
  SD252226  Juncus mexicanus Steven A. Junak 1999-7-15 Sca 1031 Los Angeles Santa Catalina Island. Bulrush Canyon, just upstream from Sca-1027. 244 Comment
  UCR101233  Juncus saximontanus L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mtns., c. 200 yards east of the foot of Holiday Hill [Mountain High] Ski Lift 2088 Comment
  RSA0116658  Juncus textilis R. G. Swinney 2008-10-10 9580 Los Angeles San Gabriel Mtns.; Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  CHSC95800  Juniperus californica LeRoy Gross 2005-5-3 2244 Los Angeles Transverse Ranges; San Gabriel Mountains region: West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.36587N, 117.86280 W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. (Valyermo 7.5 Quad: T4N, 5N R9W, 10W S6, 1, 31, NW1/4 of 6, NE1/4 of 1, SW1/4 of 31.) Alt.: 1085-1215m/3560-3984ft. 1150 Comment
  POM6815  Juniperus californica I. M. Johnston 1920-1-1 s.n. Los Angeles San Gabriel Wash at Azusa. ca. 500+ ft alt. 152 Comment
  UCSB6149  Keckiella antirrhinoides Gill, Robert 1959-4-16 Los Angeles Pomona College 365 Comment
  RSA596129  Keckiella breviflora var. breviflora Tim S. Ross, Steve D. Boyd 1995-6-28 8625 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. 707 Comment
  CAS-BOT-BC235769  Keckiella cordifolia Mrs. Brandegee 1889-5-1 s.n. Los Angeles Santa Catalina Island Comment
  NY790267  Keckiella cordifolia L. Abrams 1902-6-15 2545 Los Angeles Sepulveda Canon, Santa Monica Mountains Comment
  RSA0085493  Keckiella cordifolia R. G. Swinney 2010-8-9 13452 Los Angeles 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
  RSA248668  Keckiella cordifolia Christopher Davidson 1974-6-4 2286 Los Angeles Tapia Park, off Malibu Canyon Rd. Comment
  RSA293233  Keckiella cordifolia D. C. Michener 1980-6-30 3691 Los Angeles Indian Canyon. 950 Comment
  RSA584224  Keckiella cordifolia Tim S. Ross, Orlando Mistretta 1993-5-27 7320 Los Angeles Ridge dropping westward from Loop Canyon Road toward Wilson canyon 841 Comment
  RSA584904  Keckiella cordifolia Tim S. Ross, Steve D. Boyd 1992-7-5 6606 Los Angeles Liebre Mts: Red Mountain: rocky summit area. 1201 Comment
  SBBG13585  Keckiella cordifolia P. H. Raven 1962-5-22 17830 Los Angeles first cyn W of Lions Head Pt Comment
  SD252360  Keckiella cordifolia Steven A. Junak 2000-5-19 Sca 1321 Los Angeles Santa Catalina Island: N-facing slope overlooking Button Shell Beach, on N side of ridge between Button Shell Camp & White's Landing, just W os powerline route. 228 Comment
  UC1745887  Keckiella cordifolia Annetta M. Carter 1935-9-14 995 Los Angeles Mouth of Little Santa Anita Canyon. Sierra Madre. Comment
  UC1871281  Keckiella ternata var. septentrionalis T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3957 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. T7N R17W E 1/2 NE 1/4 sect 9. Elev ca 4560-5520 feet. [West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10] Comment
  CAS-BOT-BC518729  Keckiella ternata var. ternata R. G. Swinney 2011-6-29 15363 Los Angeles San Gabriel Mountains: Mill Creek, from 50 to 300 meters downstream (S) from Monte Cristo Campground 1082 Comment
  POM122346  Kochia californica Marcus E. Jones 1924-9-14 s.n. Los Angeles Lancaster. Comment
  RSA587759  Krascheninnikovia lanata T. S. Ross 1991-4-27 4727 Los Angeles Black Butte: easterly and northeasterly slopes 1082 Comment
  UCR177578  Krascheninnikovia lanata LeRoy Gross 2005-5-3 2191 Los Angeles Transverse Range; San Gabriel Mountains, west terminus of Holcomb Ridge, west of Big Rock Creek, along the east [and] NE side of hill. North of Fort Tejon Road, west of Valyermo Road [also T5N, R9W SW/4 sec. 31] 1215 Comment
  SEINET11446798 Image available Lagophylla ramosissima L. C. Wheeler 1933-7-2 1890 Los Angeles Puddingstone Dam, San Jose Hills 305 Comment
  SEINET13946470 Image available Lamium amplexicaule Scott D. White 1996-1 3818 Los Angeles Geneva Ave: N of San Jose, S of Arrow Hwy; W of Indian Hill, E of Towne. 34 deg. 5'N, 117 deg. 43.5'W. 1060 ft alt. 323 Comment
  SFV6168  Lamium amplexicaule T. Gordon 1974-3-20 86 Los Angeles San Fernando Valley Los Angeles, Northridge. CSUN campus orange grove. 260 Comment
  UC520376  Lamium amplexicaule Louis C. Wheeler 1933-7-14 1937 Los Angeles near Rio Hondo; Potrero Chico 68 Comment
  RSA250610  Larrea tridentata Robert F. Thorne, Arthur C. Gibson, J. P. Simpson, D. J. McGillivray 1970-4-17 39477 Los Angeles Mojave Desert: Ca. 2 miles south of Highway 138, 8 miles ESE of Pearblossom on Grandview Canyon Road. 1189 Comment
  SDSU21376  Lasthenia californica subsp. californica S. H. Bullock 1968-4-2 28 Los Angeles Claremont, Blanchard Park, Mills Ave. between 1st and 6th Streets. No slope. 351 Comment
  UC1746469  Lasthenia coronaria B. Pitzer 1996-5-5 2845 Los Angeles San Pedro Hill; Palos Verdes Peninsula; Palos Verdes Hills; San Pedro Naval Comment
  UC373332  Lasthenia glabrata subsp. coulteri Marcus E. Jones 1882-5-1 Los Angeles Pasadena Comment
  RSA590340  Lasthenia gracilis Timothy S. Ross 1993-4-21 6854 Los Angeles Santa Catalina Island, SW part of the Island in the vicinity of Cactus Peak (1560ft), slope and small ridges N of Cactus Peak summit 427 Comment
  RSA702944  Lasthenia gracilis Scott D. White, Michael Honer 2004-3-30 9953 Los Angeles Eastern edge of the City of Palmdale, ca. 1 mile west-northwest of 'Four Points' 838 Comment
  RSA589173  Lasthenia gracilis Timothy S. Ross 1991-4-28 4733 Los Angeles Black butte Basin Road, on the S margin of the Southern Pacific Rail Road Tracks; ca 1.75 miles and ca 148 SW of Three Sisters [buttes]. 979 Comment
  UC1584653  Lathyrus latifolius Jerry Powell 1986-4-17 1492 Los Angeles ca 1 mi nw Castaic; Big Oak Flat Comment
  UCR271057  Lathyrus vestitus R. G. Swinney 2011-6-6 15000 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  CATA377  Lathyrus vestitus var. alefeldii Mark L. Hoefs 1974-4-30 435 Los Angeles Santa Catalina Island: Hermit's Gulch, by trail 121 Comment
  SBBG13602  Lathyrus vestitus var. vestitus P. H. Raven 1962-5-10 17713 Los Angeles N of Thirst 335 Comment
  SBBG13630  Lavatera assurgentiflora subsp. glabra P. H. Raven 1962-4-11 17303 Los Angeles NW end of island between Driggs and West Rock 6 Comment
  SEINET3448048  Layia glandulosa W. P. Vestal, A. G. Vestal 1955-3-26 3485 Los Angeles Antelope Valley, Antelope Valley, east of Fairmont Street on 110th Street, Gilia expanse, east side of road Comment
  UC53917  Layia platyglossa Ernest Braunton 1903-3-1 833 Los Angeles Playa del Rey Comment
  SBBG28040  Layia platyglossa C. B. Wolf 1926-5-1 Los Angeles 1 mi E of San Fernando Comment
  RSA158265  Layia platyglossa subsp. campestris Peter H. Raven 1962-4-12 17308 Los Angeles Head of canyon near the Tomb, San Clemente Island 366 Comment
  RSA618982  Lemna minuta LeRoy Gross 1998-9-20 70 Los Angeles Southern base San Gabriel Mtns.: Tujunga Ponds. West of 210 freeway in big Tujunga wash, city of Sunland 365 Comment
  CATA1067  Lepechinia fragrans Mark L. Hoefs 1995-5-16 2007 Los Angeles Santa Catalina Island: Near Airport Road, just past road to Black Jack Campground 454 Comment
  RSA409631  Lepechinia fragrans H. C. Ackley 1927-6-4 s.n. Los Angeles Trail to Switzer s Comment
  UCR186065  Lepidium dictyotum T. B. Salvato, M. A. Hasskamp 2006-4-24 1349 Los Angeles Tehachapi Mtns Foothills, c. 4 mi east of Quail Lake and 0.5 mi north of Hwy 138 976 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
  SD90423  Lepidium lasiocarpum subsp. lasiocarpum Robert F. Thorne 1966-4-16 36039 Los Angeles San Clemente Island; sandy bank of old, raised beach, 2/3 mile southsoutheast of Eel Point and north of Seal Cove; southwest side of island. 29 Comment
  SBBG113128  Lepidium lasiocarpum var. lasiocarpum S. A. Junak with M. L. Hoefs, S. Crockett 1997-3-27 SCa 375 Los Angeles above W end of beach at Little Harbor 12 Comment
  SBBG98635  Lepidium lasiocarpum var. lasiocarpum T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5100 Los Angeles North Head; WNW of new landing field 15 Comment
  CAS-BOT-BC89752  Lepidium latipes George B. Grant 1904-5-5 6266 Los Angeles Ballona Marsh. Comment
  SD69661  Lepidium nitidum var. nitidum Robert F. Thorne, Reed Rollins, Propst, R. Carolin 1967-3-19 36762 Los Angeles Santa Catalina Island: Near head of Toyon Canyon Road, upper end west fork of Gallagher's Canyon 365 Comment
  SBBG133345  Lepidium strictum S. C. white, J. Green 2004-4-23 10229 Los Angeles Arroyo Seco at La Loma Rd bridge crossing; Pasadena 213 Comment
  CATA1418  Lepidium virginicum subsp. menziesii Mark L. Hoefs, Steven A. Junak, Ralph Philbrick 1996-2-12 2575 Los Angeles Santa Catalina Island: Upper Avalon Canyon at Hermit's Gulch Campground 91 Comment
  POM155618  Lepidium virginicum var. pubescens M. L. Bryan 1928-6-2 2 Los Angeles Mandeville Canyon, near Santa Monica Mts Comment
  RSA660129  Lepidium virginicum var. pubescens Orlando Mistretta 1992-6-12 539 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  POM346619  Lepidium virginicum var. robinsonii Barry Burnell 1971-3-19 246 Los Angeles Claremont, the Pomona College Wash, south east corner. 335 Comment
  RSA0022558  Leptochloa Peter Rubtzoff 1988-10-7 9961 Los Angeles Gold Creek Road nesr junction with Little Tujunga Road, Little Tujunga Canyon, ca. 2 mi northeast of the entrance to Angeles National Forest, or ca. 4 mi northeast of junction of Osborne Street and Foothill Blvd. 479 Comment
  POM346557  Leptosiphon breviculus Barry Burnell 1970-4-24 195 Los Angeles 3.2 miles south of Highway 138 on N4 1371 Comment
  UCR280736  Leptosiphon breviculus R. G. Swinney 2014-4-30 16290 Los Angeles San Gabriel Mountains, 3.8-4.0 miles south of Hwy. 138, c. 100 meters west of Largo Vista Road toward ridge 1387 Comment
  POM364634  Leptosiphon liniflorus Museum Jrs. 1945-06 2134 Los Angeles Seminole Hot Springs. Comment
  RSA0074221  Leptosiphon parviflorus Louis C. Wheeler 1968-7-2 s.n. Los Angeles San Gabriel Mountains: Summit Johnstone Peak. 975 Comment
  RSA0080770  Leptosyne bigelovii R. G. Swinney 2010-5-19 12771 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  UCR51677  Lessingia filaginifolia Lyman Benson 1946-10-16 12212 Los Angeles San Gabriel Mtns., Along U.S. Hwy 99, valley just east of the second summit north of Castaic 457 Comment
  POM361799  Lessingia glandulifera var. glandulifera Anstruther Davidson s.n. Los Angeles Little Rock. [San Gabriel Mts.] Comment
  RSA586451  Lessingia glandulifera var. glandulifera Orlando Mistretta 1994-9-27 1503 Los Angeles San Gabriel Mountains; Little Rock Creek, N of Little Sycamore below jct. of 4N15 and 5N04.3 1159 Comment
  RSA608009  Lessingia glandulifera var. glandulifera Louis C. Wheeler 1968-7-24 s.n. Los Angeles San Gabriel Mountains: South end of Mt. Hillyer. 1890 Comment
  CAS-BOT-BC272300  Leymus X multiflorus Le Roy Abrams 1902-6-10 2506 Los Angeles Playa del Rey Comment
  RSA623877  Leymus condensatus Arthur R. Kruckeberg 1939-6-9 s.n. Los Angeles Back of nursery on hill [Occidental College Campus Survey] Comment
  UCR182740  Lilium parryi R. G. Swinney 1997-7-16 5659 Los Angeles San Gabriel Mtns., Buford Canyon, 0.5 mi. west of San Bernardino Co. line, south of Hwy 2 and Swarthout Valley, c. 2 air miles west of Wrightwood 2195 Comment
  RSA720292  Limonium duriusculum LeRoy Gross 2007-3-13 2602 Los Angeles Southern side of the range. Stough Canyon. From the nature center follow canyon bottom in northwest direction to where a spring of water which is at a junction with a creek from the northeast., Started from 34.21265N, 118.30568W, to 34.21674N, 118.30766W. 441 Comment
  UCR152455  Limonium perezii A. C. Sanders, Lee Jones 2005-4-8 29330 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  UCR97800  Limonium sinuatum Scott D. White 1997-3-12 4759 Los Angeles Pacific Coast, Zuma Beach, mouth of Zuma Creek, E end of the County Beach. 8 Comment
  HSC17057  Linanthus californicus David Porter 1965-4-22 Los Angeles 1/2 mi. N of Topanga Canyon Blvd., Topanga Canyon, Santa Monica Mtns. 412 Comment
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May 21 2014
  RSA468435  Linanthus californicus subsp. glandulosus Donald R. Bissing 1973-5-4 57 Los Angeles Evey Canyon, San Gabriel Mountains, 0.3 miles from mouth of canyon 726 Comment
  SEINET7072893  Linanthus dichotomus A. G. Vestal 1963-5-22 s.n. Los Angeles San Gabriel Mountains southeast of Pearblossom on the San Andreas Rift Zone. Coordinate datum: WGS84/NAD83. (34? deg. 26' 0" North Latitude, -117? deg. 49' 38" West Longitude; UTM Zone 11, 423996mE, 3810325mN, Coordinate datum: NAD27.). Comment
  RSA755938  Linanthus dichotomus subsp. pattersonii Orlando Mistretta, Christine Mistretta 2008-4-9 2398 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
  UCSB11634  Linanthus parryae Wisehart, Karen 1962-5-4 Los Angeles along Highway 138, 2 miles east of Pearblossom Comment
  CAS-BOT-BC426257  Lithophragma affine Ernest Braunton 1902-4-13 199 Los Angeles Griffith Park Comment
  CAS-BOT-BC426264  Lithophragma affine M. E. Jones 1882-5-3 3223 Los Angeles Pasadena Comment
  CATA222  Lithophragma affine Mark L. Hoefs, A. Douglas Propst 1973-5-4 211 Los Angeles Santa Catalina Island: Middle of Middle Ranch Canyon, north exposure 243 Comment
  RSA606998  Lithophragma bolanderi Louis C. Wheeler 1968-5-24 s.n. Los Angeles San Gabriel Mountains: Northwest slope of Smith Mountain, along Bear Creek Trail. 1280 Comment
  CAS-BOT-BC435638  Lithophragma heterophyllum Timothy S. Ross 1992-5-24 6406 Los Angeles Lower Brown's Gulch: just W of San Gabriel Dam. 463 Comment
  UCD102720  Lithophragma heterophyllum Justin Albert 1993-2-20 s.n. Los Angeles Santa Monica Mtns., Placerita Cyn., Santa Clarita, 0.7 miles up the trail, on right hand side. 400 Comment
  UCR185397  Lithophragma parviflorum A. C. Sanders, T. B. Salvato 2007-4-25 33550 Los Angeles Tehachapi Mtns., Oso Canyon near Kern Co. line, c. 0.1-0.2 mi. south of road on canyon bottom, c. 0.75 mi. east of powerlines 1220 Comment
  UCR95299  Lithophragma parviflorum Steve Boyd, Orlando Mistretta 1996-5-1 8755 Los Angeles San Gabriel Mtns, Liebre Mtns, Sawmill Mountain, upper slopes and summit at head of Heryford Canyon, east of the junction of 7N23 and 7N08 1561 Comment
  RSA729462  Lithophragma tenellum R. G. Swinney 1998-7-8 6338 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  RSA439332  Lobelia dunnii var. serrata Fordyce Grinnell Jr. 1910-07 3661 Los Angeles Switzer's Camp, San Gabriel Mountains Comment
  RSA502793  Lobelia dunnii var. serrata T. S. Ross, Annette H. Ross 1989-9-20 1779 Los Angeles San Antonio Canyon near pond west of Spring Hill and below Baldy Road in the Canyon 975 Comment
  UCR275506  Lobelia dunnii var. serrata D. E. Bramlet 2011-8-26 4942 Los Angeles San Gabriel Mountains, Big Tujunga Canyon, near Big Tujunga Reservoir 662 Comment
  UCR126604  Lobularia maritima A. C. Sanders, Mark Elvin 2003-8-7 27177 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  RSA658891  Lobularia maritima Geraldine Dodd 1992-5-16 14 Los Angeles 1.5 miles north of corner of Mira Monte Ave. & Mt. Wilson Trail Dr. in Sierra Madre,. Mt Wilson Hiking Trail 732 Comment
  SD90528  Logfia filaginoides Robert F. Thorne 1973-4-11 42861 Los Angeles San Clemente Island; Middle portion of Norton Canyon. 274 Comment
  UCR273175  Logfia filaginoides R. G. Swinney 2011-5-6 14606 Los Angeles San Gabriel Mountains, north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road 854 Comment
  SD69540  Logfia gallica Robert F. Thorne, P. Everett 1965-5-10 34517 a Los Angeles Near upper end of Gallagher Canyon; Santa Catalina Island. 424 Comment
  SEINET251657 Image available Lolium perenne A. C. Sanders, Mark A. Elvin 2003-6-18 26940 Los Angeles Santa Susana Mountains: along road on crest of range from Salt Canyon, north of head of El Toro Canyon, Newhall Ranch (Simi Valley East 7.5 Q.:) 853 Comment
  UC777931  Lolium temulentum Frank W. Gould 1944-5-7 2336 Los Angeles 3 mi e Compton Comment
  UC1605268  Lomatium dasycarpum subsp. dasycarpum Tim Ross and Darin Banks 1994-4-12 7495 Los Angeles ca. 670 m. s.-s.e. of where Drinkwater Canyon joins San Francisquito Canyon (w. draw draining from ridge which divides S. Fr. Cyn from Dry Canyon, upper portion of open draw near ...); Liebre Mts., Warm Springs Quad., San Francisquito Canyon 536 Comment
  LA201034  Lomatium lucidum J. A. Ewan; 1931-4-25 4173 Los Angeles Comment
  UCR260612  Lonicera subspicata R. G. Swinney 2010-8-9 13463 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport 1037 Comment
  SEINET12266962  Lonicera subspicata I. W. Clokey, Templeton, B. 1929-1 4554 Los Angeles Mandeville Canyon, Santa Monica Mountains 300 Comment
  CAS-BOT-BC234869  Lonicera subspicata var. denudata Robert F. Thorne; D. Propst 1968-5-27 37623 Los Angeles Santa Catalina Island: in upper Skull Canyon 304 Comment
  RSA455363  Lonicera subspicata var. denudata Albert J. Perkins 1915-10-31 s.n. Los Angeles Sierra Madre Mountains, Big Tujunga wash Comment
  UCR212780  Lonicera subspicata var. denudata Ellen Mackey, Blake Whittington 2006-9-28 NFWF- 1766 Los Angeles Transverse Ranges; San Gabriel Mountains region, San Gabriel River watershed, Sycamore Canyon, [along Sycamore Canyon Road, north of San Dimas Canyon Park], on a horse trail 120 Comment
  RSA545284  Lotus argophyllus subsp. ornithopus D. Propst, Mark Hoefs 1973-3-3 43 Los Angeles Road just above Escondido, Santa Catalina Island. 244 Comment
  POM2476  Lotus crassifolius var. crassifolius I. M. Johnston 1917-7-1 1751 Los Angeles San Antonio Mountains; Near Browns Flats. 1372 Comment
  UCR11624  Lotus davidsonii E. Lloyd 1933-4-8 3698 Los Angeles Western Transverse Range; Santa Monica Mtns., Temescal Canyon Comment
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Aug 29 2019
  RSA406157  Lotus heermannii F. R. Fosberg 1930-7-3 S- 3109 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  RSA406170  Lotus heermannii Anstruther Davidson 1889-07 s.n. Los Angeles Los Angeles Comment
  RSA0011520  Lotus heermannii var. heermannii Orlando Mistretta, Christine Mistretta 2011-6-23 5740 Los Angeles Aliso Cyn drainage. Near head of Gleason cyn, W of jct. of Forest Rd. 4N24 and Pacific Crest Trail. 1679 Comment
  RSA0020989  Lotus heermannii var. heermannii Orlando Mistretta, Christine Mistretta 2011-7-1 5895 Los Angeles North Fork Mill Creek, along Forest Road 3N27. 1524 Comment
  RSA40658  Lotus heermannii var. heermannii M. B. Dunkle 1933-7-11 3659 Los Angeles Upper San Gabriel Canyon. San Gabriel Mountains. Comment
  RSA588159  Lotus heermannii var. heermannii Orlando Mistretta 1994-5-23 1246 Los Angeles Little Rock Creek. Drainage E of Creek and N of Forest Rd. 4N15 1220 Comment
  UCR276800  Lotus heermannii var. heermannii R. G. Swinney 2011-3-29 14239 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
  UCR223297  Lotus nevadensis R. G. Swinney 2009-7-29 11419 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCR271127  Lotus nevadensis R. G. Swinney 2011-10-10 15760 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  POM1868  Lotus nevadensis var. davidsonii L. R. Abrams 1901-07 1880 Los Angeles Wilson's Peak Comment
  POM304832  Lotus oblongifolius var. oblongifolius H. J. Ramsey 1937-7-18 234 Los Angeles Soldier's Creek, San Gabriel Mountains Comment
  RSA90411  Lotus oblongifolius var. oblongifolius F. W. Peirson 1917-5-13 501 Los Angeles Big Rock Creek 1296 Comment
  UCR269996  Lotus procumbens R. G. Swinney 2010-5-19 12797 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  RSA0057891  Lotus purshianus Richard G. Swinney 2010-9-7 13684 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  UCR131436  Lotus purshianus Alison Lipman 1998-6-9 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
  UCR205708  Lotus purshianus A. C. Sanders, T. B. Salvato 2009-5-18 36805 Los Angeles San Gabriel Valley, Montebello Hills, north side of the Pomona (60) Freeway, SW of Greenwood Ave., south of Potrero Grande Dr., under SCE powerlines near substation 116 Comment
  RSA0112021  Lotus salsuginosus Richard G. Swinney 2011-3-29 14275 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
  UC864879  Lotus salsuginosus Louis C. Wheeler 1932-3-19 529 Los Angeles Head Sepulveda Canyon Santa Monica Mts. 426 Comment
  UCR281360  Lotus salsuginosus R. G. Swinney 2014-5-15 16513 Los Angeles San Gabriel Mountains, Azusa Peak, 0.06 mile south of Glendora Ridge Motorway, 1.34 miles due east of Hwy. 39, 0.15 mile east of Garcia Trailhead 630 Comment
  RSA406855  Lotus scoparius James B. McNair 1934-4-16 s.n. Los Angeles El Segundo. Comment
  UCR205695  Lotus scoparius subsp. scoparius A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37021 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
  RSA652453  Lotus scoparius var. brevialatus David B. Dunn, H. Lint, P. Tolstoy 1948-4-23 s.n. Los Angeles Bonita Avenue along roadside, near Irwindale Avenue, Irwindale. Comment
  RSA406844  Lotus scoparius var. scoparius Fay A. MacFadden 1931-4-1 95 E Los Angeles Dry sandy slopes, Tuna Canyon, Verdugo Hills Comment
  CAS-BOT-BC173167  Lotus strigosus Timothy S. Ross; Steve Boyd 1994-5-4 7622 Los Angeles San Francisquito Canyon: Headwaters of the canyon, NE of Green Valley; ca 600 m SW of summit of grade; ca 2460 m ESE of Grass Mtn summit 1075 Comment
  RSA714716  Lotus strigosus A. C. Sanders 2005-5-5 29921 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, hills at SW end of Cruzan Mesa at Bench Mark Plum. 701 Comment
  RSA716215  Lotus strigosus Andrea Edwards, Pam De Vries 2006-4-11 83 Los Angeles Lebec USGS quad; triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  UC200754  Lotus wrangelianus Katharine Brandegee Los Angeles Santa Catalina Island Comment
  CDA3836  Lunaria annua R. C. Wightman, J. L. Johnson 1973-5-4 Los Angeles Sierra Madre; Angeles National Forest, near First Water Resort. 0 Comment
  UCD170858  Lupinus R. G. Swinney 2009-5-13 10791 Los Angeles Transverse Range; San Gabriel Mtns. Foothills, Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  UCR189882  Lupinus R. G. Swinney 1998-7-27 6504 Los Angeles San Gabriel Mtns., Dry Lake, south of Sunset Peak at head of Dry Lake Canyon 1515 Comment
  SDSU20000  Lupinus albifrons S. H. Bullock 1968-4-6 53 Los Angeles Claremont, north of Foothill blvd. between Dartmouth and College Ave. 366 Comment
  SD21270  Lupinus albifrons var. douglasii Norman E. Bilderback 1938-4-17 Los Angeles Avalon, Catalina Comment
  UC865051  Lupinus bicolor I. W. Clokey, B. C. Templeton 1930-4-8 4716 Los Angeles n Elizabeth Lake; n of Elizabeth Lake 800 Comment
  RSA656103  Lupinus bicolor subsp. microphyllus James Henrickson 1985-3-30 19763 Los Angeles 3 air mi. NNW of Newhall in proposed North Hills development just north of Santa Clara River and just E of San Francisquito Creek. 370 Comment
  POM350037  Lupinus bicolor subsp. microphyllus Freda Detmers 1931-3-12 13997 Los Angeles El Segundo. Comment
  JEPS65041  Lupinus breweri Frank W. Peirson 1921-6-16 2441 Los Angeles near summit Mt. Waterman; San Gabriel Mts., nr summit Mt. Waterman 2316 Comment
  LA33936  Lupinus concinnus Henry J. Thompson; 1959-5-24 2027 Los Angeles Santa Monica Mountains, Saddle Peak, 0.6 mi ENE of peak 701 Comment
  RSA0088572  Lupinus concinnus R. G. Swinney 2010-5-11 12692 Los Angeles East of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd. 872 Comment
  RSA725091  Lupinus concinnus Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -1 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
  SBBG108904  Lupinus concinnus S. A. Junak 1997-3-11 SCl 750 Los Angeles SE side of Sibara Ridge, ca. 0.35 mi S of Triangulation Pt Guds 112 Comment
  UCD107516  Lupinus concinnus P. B. Kennedy 1928-3-28 s.n. Los Angeles Avalon, Santa Catalina Island, Calif. Comment
  UCR229149  Lupinus excubitus var. austromontanus Dan S. Cooper 2011-5-5 511- 57 Los Angeles Transverse Range; San Gabriel Mountains, Portal Ridge, east of Three Points, 6.1 mi southeast (148 deg. ) of Neenach 1331 Comment
  CHSC14169  Lupinus excubitus var. hallii L. M. Mayer; I. J. Mayer 1974-4-6 137 Los Angeles Ca. 1/2 mi from Tapia Park on w side of Las Virgenes/ Malibu Canyon Rd. Comment
  RSA0016875  Lupinus excubitus var. hallii Lyman Benson 1945-6-5 11753 Los Angeles Cold Spring [Forked Spruce Spring], 2.5 miles NW [SW] of Camp Baldy on the Glendora Road. Mt. Range: San Gabriel; Drainage Area: Pacific Slope. 1372 Comment
  UC517560  Lupinus formosus John Thomas Howell 1928-3-20 3473 Los Angeles Griffith Park Los Angeles, , Vermont Canyon (Vermont Canyon, Los Angeles) Comment
  RSA91230  Lupinus formosus var. formosus Joseph A. Ewan 1933-7-4 7869 Los Angeles 1/2 mile below summit Monrovia Peak 1463 Comment
  UCR132620  Lupinus formosus var. robustus June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, proposed poppy park [north of Lancaster Road, Antelope Buttes area], Antelope Valley 976 Comment
  RSA194020  Lupinus guadalupensis R. M. Beauchamp 1967-3-18 262 Los Angeles San Clemente Island: east of bluff Comment
  RSA413682  Lupinus hirsutissimus T. S. Clare 1929-3-3 s.n. Los Angeles Topango [Topanga] Canyon. Comment
  RSA304950  Lupinus hirsutissimus Walt Westman 1979-1 s.n. Los Angeles Leo Carrillo State Park. 46 Comment
  RSA549176  Lupinus longifolius T. S. Ross 1990-6-20 3688 Los Angeles San Gabriel Mountains: Rincon-Red Box Rd (2N24); ridgetop between W Fork San Gabriel River and Roberts Canyon 1329 Comment
  POM9649  Lupinus longifolius Philip A. Munz, R. D. Harwood 1920-5-15 4012 Los Angeles Sepulveda Canyon, Santa Monica Mountains 213 Comment
  SEINET10485619  Lupinus longifolius David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 yrs. Old. Grown in a field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. Seeds from open field pollen vector. Comment
  SEINET10838227  Lupinus longifolius David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 yrs. Old. Grown in a field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. Seeds from open field pollen vector. Comment
  SEINET10838228  Lupinus longifolius David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 yrs. Old. Grown in a field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. Seeds from open field pollen vector. Comment
  RSA750112  Lupinus microcarpus R. G. Swinney 2008-5-5 8764 Los Angeles Big Rock Creek at Paradise Springs 1427 Comment
  RSA670754  Lupinus sparsiflorus Joseph M. Keefe 2001-4-8 31203 Los Angeles San Rafael Mountains. North side of Upperton Avenue (north across street from 1871 Upperton Avenue) at intersection with Upperton Place; pass in ridge between Eagle Rock Valley and York Valley (Highland Park); Los Angeles, CA 90042. 262 Comment
  UCR259763  Lupinus sparsiflorus R. G. Swinney 2010-4-20 12295 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UC1587626  Lupinus succulentus Tim Ross 1991-4-21 4515 Los Angeles Puente Hills, pro parte Whittier Hills (Middle Turnbull Canyon drainage just sw of old water tank); (Puente Hills, pro parte), , Middle Turnbull C 219 Comment
  RSA0119947  Lupinus truncatus R. G. Swinney 2014-5-21 16625 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
  RSA414381  Lupinus truncatus Samuel R. Tyson 1942-5-1 s.n. Los Angeles San Dimas Exper. For., San Dimas Canyon trial to flumes 4 & 5 Comment
  JEPS11731  Lycium californicum R. A. Casad 1920-1-26 Los Angeles Huntington Beach Comment
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Dec 23 2014
  SBBG20561  Lycium californicum E. R. Blakley 1963-12-8 6407 Los Angeles just back of beach, between Northwest Harbor and Whale Pt 7 Comment
  LA33647  Lycopersicon esculentum Peter H. Raven; Henry J. Thompson 1959-10-14 14634 Los Angeles SANTA MONICA MOUNTAINS, Triunfo Canyon, Malibu Lake, E end of lake. 220 Comment
  SD51857  Lyonothamnus floribundus subsp. aspleniifolius Peter H. Raven 1962-5-9 17682 Los Angeles Steep canyon wall near head of canyon above Mosquito Cove 274 Comment
  RSA578210  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Janet Takara, Bob Given, Misty Gray 1994-8-2 8192 Los Angeles Santa Catalina Island. Midway in Swain's Canyon. 95 Comment
  SD90357  Lyonothamnus floribundus subsp. floribundus Robert F. Thorne, Doug Propst 1973-2-14 42479 Los Angeles Canta Catalina Island: Ironwood Gully on slopes of hill E of Isthmus above Banning House 182 Comment
  RSA228840  Lythrum californicum Robert F. Thorne 1971-6-26 40624 Los Angeles San Gabriel Mtns., Angeles National Forest: Shallow water at mouth of Big Tujunga Canyon. 427 Comment
  POM4786  Machaeranthera canescens var. canescens I. M. Johnston 1917-8-22 1647 Los Angeles Prairie Fork of San Gabriel River. 1982 Comment
  SBBG131674  Madia exigua S. A. Junak 1999-5-20 SCa 962 Los Angeles Black Jack Mtn, just E of high voltage line 502 Comment
  UCR277082  Madia minima R. G. Swinney 2011-6-7 15082 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
  RSA188134  Madia sativa R. F. Thorne 1966-4-28 36220 Los Angeles Santa Catalina Island, west-facing rocky bank near upper end Renton Mine road in Pebbly Beach Canyon 259 Comment
  SBBG109046  Malacothamnus clementinus S. A. Junak with J. Stone 1996-5-29 SCl 543 Los Angeles China Cyn, ca. 1.55 mi inland from bridge across mouth of cyn 158 Comment
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Jun 19 2014
  SBBG17770  Malacothamnus clementinus P. H. Raven 1962-7-10 17977 Los Angeles cyn below Lemon Tank 243 Comment
  CHSC21759  Malacothamnus davidsonii Robert A. Schlising 1973-8-13 3115 Los Angeles Lopez Canyon, N of Pacoima in San Gabriel Mts. Comment
  RSA563514  Malacothamnus davidsonii Tim S. Ross, Steve D. Boyd 1993-6-30 7387 Los Angeles Western SAN GABRIEL MTS.: near middle portion of Loop Canyon. 684 Comment
  RSA641495  Malacothamnus davidsonii Louis C. Wheeler 1967-8-13 10466 Los Angeles San Gabriel Mts: Angeles National Forest; Little Tujunga near Dillon Divide 793 Comment
  RSA126677  Malacothamnus fasciculatus Peter H. Raven, H. J. Thompson 1958-10-11 13752 Los Angeles Santa Monica Mountains. Tuna Canyon Road 0.5 miles from Saddle Peak Road 518 Comment
  SBBG41330  Malacothamnus fasciculatus var. catalinensis M. R. Benedict 1970-6-27 Los Angeles near rd, lower Cape Cyn, just above jct with Middle Cyn Rd Comment
  RSA580308  Malacothamnus fremontii Tim S. Ross, Steve D. Boyd 1994-5-25 7927 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
  CAS-BOT-BC204188  Malacothamnus marrubioides Carl B. Wolf 1927-7-27 686 Los Angeles Ridge Route Road 2 mi. so. of Forest Inn Comment
  PASA321  Malacothrix clevelandii Frank W. Peirson 1919-5-21 Los Angeles Arroyo Seco, San Gabriel Mts. 685 Comment
  UC194497  Malacothrix coulteri S. B. and W. F. Parish June, 1887 1963 Los Angeles Alpine Comment
  CAS-BOT-BC323294  Malacothrix foliosa L. R. Abrams; I. L. Wiggins 1931-7-6 339 Los Angeles Vicinity of Mosquito Harbor, San Clemente Island Comment
  SFV14467  Malacothrix saxatilis J. L. Reveal 1987-9-11 3887 Los Angeles San Fernando Valley Limekiln Canyon, north of Rinaldi. 396 Comment
  UCR273278  Malacothrix saxatilis var. tenuifolia R. G. Swinney 2011-7-7 15418 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  CAS-BOT-BC347935  Malacothrix saxatilis var. tenuifolia L. E. Cox 1908-3-28 s.n. Los Angeles Catalina Island Comment
  SBBG132307  Malephora crocea S. A. Junak 1995-1-6 SCI- 248 Los Angeles Wilson cove, BEQ/BOQ offices, housing area Comment
  LA62903  Malosma laurina Annetta M. Carter; 1935-9-8 955 Los Angeles SAN GABRIEL MOUNTAINS, Sierra Madre. 380 Comment
  SD39323  Malva nicaeensis Edith A. Purer 1931-4-28 2004 Los Angeles Redondo Blvd. near town of Redondo Beach. Comment
  RSA279016  Malvella leprosa Robert F. Thorne, C. W. Tilforth, S. Nilsson 1972-7-20 42190 Los Angeles San Gabriel Mts., Angeles National Forest: Caldwell Lake near Valyermo (sag pond on the San Andreas Fault) 1570 Comment
  UCR191290  Marah horrida T. B. Salvato 2008-4-22 3305 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
  RSA522960  Marah macrocarpa Tim Ross 1991-2-23 4100 Los Angeles Whittier Hills (Puente Hills) Upper Turnbull Canyon on slope dropping WNW from Turnbull Canyon road x Skyline Drive 293 Comment
  RSA592469  Marah macrocarpa Mark Hoefs 1973-3-13 59 Los Angeles Upper Avalon Canyon, by water tank above Wrigley Memorial, north exp. 274 Comment
  RSA584049  Marah macrocarpa var. macrocarpa T. S. Ross 1992-4-21 6219 Los Angeles Glendora Ridge Road: on the divide between San Dimas Canyon & Cattle Canyon, draining northwestward toward Peacock Canyon. 1121 Comment
  UCR107776  Marah macrocarpa var. macrocarpa D. Zygielbaum, M. Low 1997-3-6 01 Los Angeles Base of San Gabriel Mtns., Claremont, NW corner of Mills Avenue and Foothill Boulevard. N end of field station panhandle near most northern dirt access road 412 Comment
  RSA0031678  Marrubium vulgare J. B. 1968-12-13 2 Los Angeles La Tuna Canyon. 548 Comment
  UCR175045  Marrubium vulgare Vanessa Lee 2005-4-10 s.n. Los Angeles San Gabriel Mtns. Foothills, Eaton Canyon Park, Pasadena, north of I-210 off Altadena Dr. 305 Comment
  RSA151235  Marrubium vulgare Peter H. Raven 1962-4-12 17335 Los Angeles Narrow Canyon south of canyon below Tomb, west side of San Clemente Island. 274 Comment
  RSA409819  Marrubium vulgare J. F. McBroom 1941-7-25 s.n. Los Angeles Pasadena foothills Comment
  RSA529144  Marrubium vulgare Tim S. Ross 1991-4-8 4480 Los Angeles Elephant Hill: western Pomona. 229 Comment
  SBBG54356  Matricaria discoidea L. Berinstein 1967-5-18 26 Los Angeles Blanchard Park, Pomona College, Claremont 335 Comment
  RSA640634  Matricaria matricarioides L. C. Wheeler 1967-5-15 9600 Los Angeles San Gabriel Mountains: Elsmere Canyon; bottom of canyon near mouth. 434 Comment
  RSA642090  Matricaria occidentalis Orlando Mistretta, Mark Elvin 1995-3-30 1679 Los Angeles Lancaster area: Northwest corner of Sierra Highway and Avenue C, north of Lancaster. Comment
  CAS-BOT-BC422758  Meconella denticulata Brandegee 1889-5-1 s.n. Los Angeles Pasadena Comment
  UCR260352  Medicago polymorpha R. G. Swinney 2010-5-4 12547 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  RSA13778  Medicago polymorpha Louis C. Wheeler 1934-2-2 2368 Los Angeles Elysian Park, Los Angeles. 122 Comment
  SD31196  Medicago polymorpha Edith A. Purer 1931-3-12 977 Los Angeles Palos Verdes Comment
  SDSU5046  Medicago polymorpha Gerald Collier 1951-4-7 3688 Los Angeles Edge of beach 80 yards from shore in sand. Zuma beach north of Malibu just off U.S. highway 101. Comment
  SFV21397  Medicago polymorpha L. Gross 2002-4-13 527 Los Angeles Verdugo Mountains Intersection of Stough Canyon Mountainway and Verdugo Mountainway along main crest. 579 Comment
  LA105322  Melica imperfecta Barry A. Prigge; 1989-4-23 8447 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
  RSA0021293  Melica imperfecta Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5088 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA0085315  Melica imperfecta R. G. Swinney 2010-4-23 12374 Los Angeles East end of Hansen Dam Basin, on N side of Big Tujunga Wash channel, 0.1-0.5 miles E of Orcas Park. 314 Comment
  RSA0097171  Melica imperfecta R. G. Swinney 2011-6-1 14972 Los Angeles San Gabriel Mountains: north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes'? 1207 Comment
  UC1587719  Melica imperfecta Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5259 Los Angeles w fork Near-Death Canyon (draining into Mosquito Cove (draining beginning 800 ft n of Rest [1336 '] marker; 1800 ft se of Malo Knoll [1396']), beginning of drainage); San Clemente Island, Mosquito Cove 384 Comment
  POM348149  Melilotus albus Howard Mullins 1931-4-1 s.n. Los Angeles San Gabriel Comment
  RSA659824  Melilotus albus Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-4 119 Los Angeles San Clemente Island. Comment
  LA33782  Mentha X piperita Peter H. Raven; Henry J. Thompson 1959-10-25 14711 Los Angeles 91 Comment
  RSA187768  Mentha X smithiana Robert F. Thorne 1966-9-14 36637 Los Angeles Santa Catalina Island: lower Middle Ranch Canyon, ca. 3/4 mile above Ben Weston Beach 53 Comment
  SFV6136  Mentzelia affinis M. H. Grayum, D. R. Perry 1974-4-3 7442 Los Angeles Palos Verdes Peninsula Palos Verdes Peninsula. Coastal bluff at Flat Rock Point. 15 Comment
  UCR270498  Mentzelia albicaulis R. G. Swinney 2011-4-1 14290 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
  SFV17945  Mentzelia laevicaulis J. N. Hogue, J. D. Dilley 1998-8-8 125 .1 Los Angeles San Gabriel Mountains Along Forest Route 3N07 to South Mount Hawkins from Pine Flats and Crystal Lake. Road to Deer Flat, above Crystal Lake just below Deer Flat Campground. 1980 Comment
  RSA642038  Mentzelia micrantha Orlando Mistretta 1993-6-28 904 Los Angeles San Gabriel Mountains: Angeles National Forest. Table Mountain; Sunrise ski area. Comment
  CHSC35803  Mentzelia veatchiana Roberta G. Robertson 1974-4-27 219 Los Angeles 3.0 mi S. of junction Pearblossom Hwy. (Hwy 138) and Largo Vista Rd (Hwy N4) on Largo Vista Rd., Antelope Valley, 20.7 air miles ESE Palmdale. 1036 Comment
  RSA727361  Mentzelia veatchiana R. G. Swinney 1998-5-16 6067 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  RSA152114  Mentzelia veatchiana Wesley O. Griesel 1962-4-7 s.n. Los Angeles Little Rock Dam, desert foothills of San Gabriel Mts 976 Comment
  RSA175358  Mentzelia veatchiana E. Crow 1930-6-29 s.n. Los Angeles San Gabriel Mts. Trail between Camp Coldbrook and Pine Flats. Comment
  RSA757208  Mentzelia veatchiana Orlando Mistretta, Christine Mistretta 2008-4-3 2289 Los Angeles Southern California Edison transmission line tower (Segment 5, Structure 63, per TRTP survey 2008) just North of State Hwy 14 in the vicinity of Soledad Pass Comment
  LA200130  Mesembryanthemum crystallinum Jonathan Sauer; D. Birindelli 1969-1-31 4371 Los Angeles Santa Monica Mountains, Point Dume 0 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-BC348439  Micropus californicus var. californicus Peter H. Raven; Henry J. Thompson 1959-5-5 14132 Los Angeles Santa Monica Mountains. Mulholland Hwy. 1 mile W. of Las Virgenes Rd. Malibu Creek drainage 335 Comment
  SBBG131668  Microseris douglasii S. A. Junak 1999-5-20 SCa 956 Los Angeles Cottonwood-Black Jack Rd 304 Comment
  RSA527631  Microseris heterocarpa Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-8 4386 a Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  POM126294  Microseris lindleyi V. Newsom, Martha Hilend 1927-10-13 s.n. Los Angeles hills SW of Newhall. Comment
  SEINET3145681  Microsteris gracilis G. B. Grant 784 Los Angeles Pasadena Comment
  RSA550787  Mimulus aurantiacus David M. Thompson 1992-5-22 1074 Los Angeles Above Claremont along Mt. Baldy Road; 0.8 roadmile above (N of) upper tunnel 1098 Comment
  RSA709831  Mimulus aurantiacus A. C. Sanders 2003-4-28 26086 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon. 427 Comment
  IRVC26935  Mimulus aurantiacus var. pubescens A. C. Sanders 2003-4-28 26086 Los Angeles Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon Western San Gabriel Mtns. 427 Comment
  RSA525102  Mimulus aurantiacus var. pubescens Tim S. Ross, S. D. Boyd 1990-6-6 2858 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  RSA533501  Mimulus aurantiacus var. pubescens Tim S. Ross 1991-3-9 4205 Los Angeles Whittier Hills (Puente Hills, pro parte): Seepage ca. 300 feet SW of Colima Road and Camino del Sur. 213 Comment
  RSA772107  Mimulus aurantiacus var. pubescens R. G. Swinney 2009-5-20 10845 Los Angeles Pechner Canyon, SE of community of Juniper Hills. 1463 Comment
  UCR223312  Mimulus aurantiacus var. pubescens R. G. Swinney 2009-5-20 10845 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  UCR256615  Mimulus aurantiacus var. pubescens Anuja Parikh, Nathan Gale 2011-6-10 3437 Los Angeles Transverse Range; San Gabriel Mountains, south of Kentucky Springs Canyon, 0.8 km west of Angeles Forest Hwy, 1.8 km north of Aliso Canyon Road 1245 Comment
  LA209123  Mimulus aurantiacus var. puniceus Joseph Dunlavy; 1934-5-4 4483 Los Angeles Santa Catalina Island, S side Santa Catalina Island Comment
  SEINET203380 Image available Mimulus brevipes Isabella Tavares, Valera Brinson 1962-4-16 255 Los Angeles Bouquet (Boquet) canyon rd 3 mi S of Boquet Canyon Guard Station Comment
  RSA0091107  Mimulus cardinalis R. G. Swinney 2011-6-30 15384 Los Angeles 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  POM220011  Mimulus cardinalis F. R. Fosberg 1932-5-7 8145 Los Angeles Santa Catalina Island. Grand Can[yon] below Falls. 100 Comment
  RSA799904  Mimulus floribundus Michelle Terrazino, Monica Rodriguez, Naomi Fraga 2013-7-23 7 Los Angeles Glendora Ridge Road. 1313 Comment
  UC1375440  Mimulus floribundus Gary D. Cromwell and David W. Wheat 1971-4-30 604 Los Angeles 2 mi ne Glendora (Mystic Canyon); San Gabriel Mtns., Angeles National Forest 426 Comment
  UCR259658  Mimulus floribundus R. G. Swinney 2010-9-7 13723 Los Angeles San Gabriel Mountains, NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks 1768 Comment
  UC1349310  Mimulus floribundus Robert F. Thorne and M. Z. Thorne 1966-8-29 36572 Los Angeles ca. 3 mi s Coldbrook Campground (along branch of and along main stream of North Fork of San Gabriel River); San Gabriel Mts., Angeles National Forest 670 Comment
  UC1595324  Mimulus guttatus Tim Ross, Orlando Mistretta 1992-7-24 6763 Los Angeles 76 degrees ene, 900 m distant from Strawberry Peak summit (vicinity of Strawberry Spring); San Gabriel Mts., Strawberry Spring 1460 Comment
  RSA0016899  Mimulus guttatus Emma Robinson 1884-4-2 s.n. Los Angeles Adams St., West Los Angeles. Comment
  SEINET3245942  Mimulus moschatus G. K. Helmkamp, E. A. Helmkamp 2010-1 16513 Los Angeles Northern Sierra Nevada Mountains: between the west shore of Silver lake and CA-88; lakeside rest stop area (Tragedy Spring 7.5') 2234 Comment
  RSA430210B  Mimulus parishii Anstruther Davidson 1892-07 s.n. Los Angeles Acton Comment
  UC1586187  Mimulus pilosus Tim Ross 1991-8-16 5829 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat USGS 7.5' quad (bed of dry stream) 1719 Comment
  RSA616138  Minuartia douglasii L. C. Wheeler 1967-5-18 9633 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  POM9657  Minuartia douglasii P. A. Munz 1920-2-24 3242 Los Angeles 3 miles north of Claremont at base of foothills. Comment
  UCR95444  Mirabilis californica var. californica L. C. Wheeler 1967-4-30 9245 Los Angeles San Gabriel Mtns, Limekiln Canyon 564 Comment
  UCR228428  Mirabilis laevis Dave Silverman, Colleen Martin, Jeff Jarvis 2010-5-21 8048 Los Angeles Lower south foothills of Sierra Pelona, 500 m N of Governor Mine, 950 m E of Red Rover Mine Rd, and 2.2 km N of I-14/Sierra Highway 1116 Comment
  CAS-BOT-BC434638  Mirabilis laevis var. crassifolia Geo. B. Grant 1904-4-16 791 Los Angeles Los Angeles Comment
  RSA464665  Mirabilis laevis var. crassifolia Mark Morris 1929-3-11 s.n. Los Angeles Griffith Park - Los Angeles. Comment
  UC212964  Mirabilis laevis var. crassifolia S. B. Parish 1919-4-19 19257 Los Angeles Lone Hill; near San Dimas Comment
  UC7635  Mirabilis laevis var. crassifolia Harley P. Chandler 1897-5-5 Los Angeles Claremont 365 Comment
  RSA0027978  Mirabilis laevis var. crassifolia Orlando Mistretta, Christine Mistretta 2008-4-30 2572 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 19 per TRTP survey, 2008), in the vicinity of Ritter Ridge, S side of Antelope Valley. 1034 Comment
  LA210298  Modiola caroliniana Arthur C. Gibson; 2003-5-24 4993 Los Angeles Simi Hills, West Hills Comment
  SBBG127545  Mollugo verticillata A. C. Sanders with D. S. Cooper 2010-8-5 38534 Los Angeles Madrona Marsh Preserve, Torrance 24 Comment
  RSA0040545  Monardella australis subsp. cinerea Orlando Mistretta 1990-8-8 s.n. Los Angeles Summit area, Mt. Hawkins 2696 Comment
  RSA747400  Monardella breweri R. G. Swinney 2008-6-4 8944 Los Angeles Devils Punchbowl Co. Park, 0.5 mi. north of park headquarters in headwaters of Sandrocks Canyon 1402 Comment
  RSA0088944  Monardella candicans Bonnie C. Templeton 1971-5-16 11609 Los Angeles About 7 mi. n.e. of Palmdale. 815 Comment
  CAS-BOT-BC215611  Monardella linoides subsp. erecta John Thomas Howell 1947-7-18 23409 Los Angeles Blue Ridge, San Gabriel Mts. 2590 Comment
  CAS-BOT-BC220432  Monardella saxicola Louis C. Wheeler 1936-6-22 4174 Los Angeles Tanbark Flat, San Dimas Canyon, San Gabriel Mts. 822 Comment
  RSA13721  Monardella viridis subsp. saxicola Louis C. Wheeler 1933-8-14 2081 Los Angeles San Dimas Canyon. 640 Comment
  RSA0110578  Monolopia lanceolata Richard G. Swinney 2011-4-19 14422 Los Angeles San Gabriel Mountains: San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. Just north of transmission lines. 945 Comment
  RSA593891  Muhlenbergia asperifolia Steve Boyd 1996-4-24 8664 Los Angeles Liebre Mountains, West Fork Liebre Gulch in narrow side canyon to the east. 1012 Comment
  RSA512026  Muhlenbergia californica L. C. Wheeler 1967-7-30 s.n. Los Angeles San Gabriel Mountains. Trail Canyon, vicinity of falls near confluence with McKinley Canyon. 732 Comment
  UCR210288  Muhlenbergia californica R. G. Swinney 2008-7-16 9266 Los Angeles San Gabriel Mtns., Little Rock Creek Canyon, 1.6 mi. south of Burkhart Saddle along the Burkhart Trail, at stream crossing 1817 Comment
  HSC83457  Muhlenbergia microsperma D. L. Koutnik 1978-5-2 460 Los Angeles Bell Canyon in the Simi Hills. 427 Comment
  RSA595926  Muhlenbergia rigens Lauren Raz, Steve Boyd 1996-10-23 37 Los Angeles Liebre Mountains. Ruby Canyon, east of junction of Forest Service Road 6N24 with Lake Hughes Road. 609 Comment
  UC1083343  Muilla maritima Herbert L. Mason 1926-4-26 2946 Los Angeles Pocoima Wash foothills of San Gabriel Mountains Comment
  UCR107805  Myosurus minimus Steve Boyd, Kent Hughes 1998-5-5 10179 Los Angeles Liebre Mountains, Portal Ridge, north of the San Andreas Rift Zon, in the Cow Spring drainage along the Pacific Crest Trail. 1159 Comment
  SBBG65083  Nama californica R. Hoffmann 1927-6-8 Los Angeles Ridge Route (US Hwy 99) near Sandberg's Comment
  UC1871327  Nassella cernua T. S. Ross 1993-4-21 6832 Los Angeles Channel Islands; Santa Catalina Island; SW part of the island along major E-W ridge between Carlos (972 ft) and Cactus Peak (1560 ft); 500-1200 ft NNE to NE of Quartz(1252 ft) 396 Comment
  CAS-BOT-BC520316  Nassella lepida R. G. Swinney 2010-4-30 12471 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park,ridgetop S of the southern of the two eastern forks of Wilson Cyn., 0.45 mi E of Wilson Debris Basin along old motorway 548 Comment
  CDA21168  Nassella tenuissima M. O'Brien 2007-4-22 MOB 1 -2007 Los Angeles South Coast; Malibu Bluffs State Recreation Area, 0 Comment
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Dec 6 2014
  RSA660059  Nasturtium officinale Matt Bogdanoff 1981-5-24 15 Los Angeles Big Dalton Cyn. Rd., 0.7 mi E of junction with Glendora Mtn. Rd., N of Glendora. 396 Comment
  RSA482810  Nasturtium officinale Anonymous 1877-6-18 s.n. Los Angeles Mission Canyon Comment
  UC2026439  Navarretia atractyloides Louis C. Wheeler 1967-6-26 9880 Los Angeles SAN GABRIEL MOUNTAINS: Elsmere Canyon. Comment
  UCR229171  Navarretia atractyloides Dan S. Cooper 2011-5-31 511- 62 Los Angeles San Gabriel Mtns. Foothills/San Gabriel Valley, Claremont, Thompson Creek Dam area 493 Comment
  RSA524628  Nemacladus orientalis T. S. Ross, S. D. Boyd 1990-5-17 2597 Los Angeles Mill Creek Tree Plantation, Tujunga District, Angeles National Forest 1613 Comment
  UCR272977  Nemacladus sigmoideus R. G. Swinney 2011-6-1 14955 Los Angeles San Gabriel Mountains, Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy 1113 Comment
  RSA213338  Nemophila menziesii Reid V. Moran 1941-3-6 681 Los Angeles Middle Ranch Canyon, Santa Catalina Island. 300 Comment
  SFV2984  Nemophila menziesii K. A. Wilson 1962-3-25 1257 Los Angeles San Gabriel Mountains Soledad Canyon. Small, burnt over canyon west of Bee Canyon, north of River's End Ranch. 610 Comment
  UC450875  Nemophila menziesii Fay A. MacFadden 1931-3-7 2573 Los Angeles Vineland Ave. , Vineland Ave. (Roscoe) Comment
  UCR190419  Nemophila menziesii R. G. Swinney 2001-4-18 7892 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, ridge top c. 500 m east of south end of Bobs Gap 1311 Comment
  SBBG125441  Nemophila menziesii var. integrifolia A. Parikh, N. Gale 2010-6-16 3304 Los Angeles upper Big Tujunga Cyn, 0.3 km ENE of Shortcut Station, 0.7 km N of St Hwy 2, San Gabriel Mtns 1295 Comment
  HSC79847  Nemophila menziesii var. integrifolia Bill Fugimoto 1971-5-9 55 Los Angeles 10 mi. NE of Azusa, 3 mi. N of Rincon fire station on Hwy. 39 in Angeles National Forest in San Gabriel Mtns. 610 Comment
  POM3505  Nemophila menziesii var. menziesii E. L. Brown s.n. Los Angeles Hillsides, Pasadena Comment
  UCR189979  Nicotiana attenuata R. G. Swinney 1998-9-4 6912 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  LA45886  Nicotiana glauca W. R. Ernst; April 1947 sn Los Angeles San Gabriel Mountains, San Gabriel Canyon Comment
  UCD126665  Nicotiana glauca Geoffrey Levin 1974-3-27 1 Los Angeles Wash (Blanchard Park), Pomona College, Claremont. Santa Ana River, Alluvial fan of Mt. San Antonio (San Gabriel Mountains.) 335 Comment
  UCR256475  Nicotiana glauca R. G. Swinney 2010-6-8 13207 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
  SEINET10696838  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3968 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  SEINET10696852  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3963 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  UC812257  Notholaena californica Louis C. Wheeler 1933-5-5 1709 Los Angeles 1/2 mi below falls Fish Canyon; San Gabriel Mts 350 Comment
  RSA733179  Oenothera elata subsp. hookeri R. G. Swinney 1998-8-1 6609 Los Angeles Mine Gulch at East Fork of San Gabriel River Canyon. Open canyon bottom, lower Mine Gulch with no riparian development except right at confluence; sandy-silty soil with rocks. 1341 Comment
  UCR282593  Oenothera laciniata Dan S. Cooper 2017-5-4 517- 32 Los Angeles Santa Monica Mountains, Temescal Canyon Park 53 Comment
  UCR102375  Oenothera rosea L. C. Wheeler 1951-5-14 6801 Los Angeles Base of San Gabriel Mtns., Pasadena, Devils Gate Dam, Arroyo Seco Comment
  UCR281028  Opuntia basilaris A. C. Sanders 2006-5-16 32353 Los Angeles Tehachapi Mtns. Foothills, off Gorman Post Rd. near the Bailey Substation, c. 1 mile west of Quail Lake 1067 Comment
  POM317747  Opuntia ficus-indica David Walkington 1963-6-25 194 Los Angeles Ca 50 yards N of Puddingstone rd on Casa de Carrion homestead, west of house. 305 Comment
  PASA1870  Opuntia lindheimeri Chester T. Allcott Los Angeles Arroyo Seco Comment
  RSA612187  Opuntia littoralis L. C. Wheeler 1972-4-19 s.n. Los Angeles San Gabriel Mountains: Las Flores Canyon. Comment
  CAS-BOT-BC254288  Orcuttia californica A. A. Beetle 1946-6-11 4678 Los Angeles Around airport at corner of South Western Avenue and Rosecrans Avenue, Los Angeles Comment
  RSA402054A  Orthocarpus purpurascens Reid V. Moran 1941-2-28 657 Los Angeles Santa Catalina Island, Johnson's Valley 100 Comment
  RSA407969  Orthocarpus purpurascens Fordyce Griffiths Jr. 1910-04 3463 Los Angeles San Rafael Mts. Comment
  RSA0020288  Osmorhiza brachypoda Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5102 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA660810  Osmorhiza brachypoda Gerald Braden, Lori Ackerman, Arthur Davenport 1988-5-4 16 Los Angeles Strawberry Peak, San Gabriel Mountains. Comment
  SEINET3347407 Image available Oxalis albicans subsp. pilosa George B. Grant February 1903 898 Los Angeles Altadena Comment
  CATA381  Oxalis californica Mark L. Hoefs 1974-5-1 441 Los Angeles Santa Catalina Island: Northwest side of Renton Mine Road, approximately halfway to top, southeast exposure 152 Comment
  UCD110772  Oxalis corniculata A. C. Sanders 1987-7-22 7176 Los Angeles El Segundo Dunes, immediately west of L.A. International Airport and Pershing Dr., E of Vista Del Mar Blvd. Subsite 39. Comment
  RSA652121  Oxalis corniculata A. E. Hersh 1950-7-5 s.n. Los Angeles Garden 411 Wade St., Venice. 30 Comment
  SBBG67547  Oxalis corniculata subsp. corniculata M. N. Ackley -Feb-1926 724 Los Angeles Eagle Rock 182 Comment
  POM145270  Oxalis pes-caprae P. A. Munz 1928-3-7 11067 Los Angeles Claremont, vacant ground north of Foothill Boulevard 366 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
  SDSU605  Oxalis rubra Gerald Collier 1951-5-22 Los Angeles 11621 Mayfield Avenue, L.A. 49. Comment
  UC2026438  Oxytheca trilobata Steve Boyd, L. Raz 1997-6-17 9965 Los Angeles LIEBRE MOUNTAINS REGION: West end of Sawmill Mountain at saddle between Fish Canyon and first canyon west of Sawmill Canyon, along Forest Service road 7N23, ca. 0.7 road miles east of junction with 7N19, at the point where fuel break crosses the road. Comment
  JEPS37498  Packera ionophylla F. W. Peirson 1919-6-16 476 Los Angeles South Fork of Rock Creek San Gabriel Mountains 1676 Comment
  JEPS37499  Packera ionophylla F. W. Peirson 1922-7-6 3195 Los Angeles Big Pines Region San Gabriel Mts. Comment
  JEPS85805  Packera ionophylla Roy E. Buck 1989-6-23 1351 Los Angeles 0.1 air km nnw Icy Springs (lowermost ne-facing slope of canyon of upper Big Rock Creek, just e of ruins of old stone house); San Gabriel Mountains, Big Rock Creek 1737 Comment
  UCR48932  Pancratium maritimum A. C. Sanders 1987-7-22 7156 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 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
  RSA448011  Parietaria hespera var. hespera Fay A. MacFadden 1931-3-30 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  RSA545333  Parietaria hespera var. hespera Tim S. Ross 1992-4-14 6152 Los Angeles San Clemente Island. Central E side of island; just below the mouth of Nanny Canyon on the rocky, rutted slope that drains northward. 137 Comment
  RSA250470  Parnassia cirrata Robert F. Thorne, John Dourley 1967-10-10 37382 Los Angeles San Gabriel Mountains, Angeles National Forest: Yucca Flats Summer Housing Tract. 1250 Comment
  UCR126845  Parthenocissus vitacea A. C. Sanders, Mark A. Elvin 2002-8-26 25588 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed, Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near 'Airport Mesa 305 Comment
  CAS-BOT-BC259626  Paspalum dilatatum J. H. Thomas 1956-9-22 6454 Los Angeles Occidental College Campus, Los Angeles Comment
  CAS-BOT-BC474720  Paspalum distichum R. E. Riefner, Jr. 2015-7-19 15 -204 Los Angeles City of Carson, Dominguez Channel at Figueroa St. crossing 7 Comment
  UC551846  Pectocarya linearis subsp. ferocula F. R. Fosberg 1932-5-7 10644 Los Angeles summit Coach Raood; Santa Catalina Island Comment
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Dec 4 2014
  UCR200176  Pectocarya linearis subsp. ferocula Valerie Soza, Laura A. Moore 2000-5-10 842 Los Angeles Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive at fire gate to powerlines 579 Comment
  POM368760  Pectocarya linearis subsp. ferocula Anonymous 1921-4-3 s.n. Los Angeles Santa Monica Mountains Comment
  RSA702955  Pectocarya penicillata Scott D. White, Michael Honer 2004-3-30 9966 Los Angeles Eastern edge of the City of Palmdale, ca. 1 mile west-northwest of Four Points 838 Comment
  UCR130052  Pectocarya penicillata George K. Helmkamp, E. A. Helmkamp 1998-5-21 4048 Los Angeles Western Mojave Desert/Transverse Range, junction of Munz Ranch Rd and Lake Elizabeth Rd., north of Lake Elizabeth 1006 Comment
  UCR185598  Pectocarya penicillata A. C. Sanders 2007-4-25 33583 Los Angeles Tehachapi Mtns., Oso Canyon, 0.75 mi. SE of the Kern Co. line along Oso Cyn. Rd. 1143 Comment
  UCR190418  Pectocarya penicillata R. G. Swinney 2001-4-18 7890 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap, east of Bobs Gap Road at base of ridge 1223 Comment
  SEINET7062860  Pectocarya pusilla A. G. Vestal 1947-4-8 s.n. Los Angeles East of Littlerock on the Pearblossom Highway. (WGS84/NAD83). UTM Zone 11, 410587mE, 3820401mN. 887 Comment
  UCR205462  Pectocarya setosa R. G. Swinney 2008-5-2 8738 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  RSA0128963  Pectocarya setosa LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 866 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway 1143 Comment
  RSA592605  Pellaea andromedifolia Mark Hoefs 1973-3-17 128 Los Angeles Santa Catalina Island: hanging from slope near Ben Weston Beach Road. 60 Comment
  RSA686902  Pellaea mucronata May N. Ackley 1922-1 74 Los Angeles Verdugo Hills, Glendale. 244 Comment
  UCSB31752  Pellaea mucronata subsp. californica Miller, Brian 1960-7-7 Los Angeles Dawson Saddle Area, San Gabriel Mountains 2377 Comment
  RSA583040  Pellaea mucronata var. mucronata T. S. Ross 1993-4-22 6875 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); northwesterly slope 350 meters ENE of peak. 419 Comment
  LA35173  Penstemon X parishii Mary V. Hood; 1944-5-21 44 49 k Los Angeles Santa Monica Mountains, between Calabasas and Monte Nido on Cold Canyon Rd, 274 Comment
  RSA724651  Penstemon centranthifolius K. Dobry 1991-5-13 493 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  UC184343  Penstemon centranthifolius A. D. E. Elmer June, 1902 3606 Los Angeles Acron , Mt. Gleason (Mt. Gleason) Comment
  RSA97325  Penstemon centranthifolius R. M. Straw 1954-6-7 600 Los Angeles Crystal Lake, upper San Gabriel River canyon, San gabriel Mountains. 1524 Comment
  RSA17064  Penstemon grinnellii subsp. grinnellii Carl B. Wolf 1936-5-27 7852 Los Angeles San Gabriel Mountains, Aliso Canyon to Buckhorn Flats Road, 2 miles above Tie Camp Summit. 1677 Comment
  RSA650933  Penstemon grinnellii subsp. grinnellii R. J. Tinkler 1969-6-28 s.n. Los Angeles Angeles Crest Highway. Comment
  JEPS36103  Penstemon grinnellii var. scrophularioides Ernest C. Twisselmann 1964-6-10 9621 Los Angeles Fork at the head of Castaic Valley San Emigdio Range, Mt Pinos Region, Castaic Valley (San Emigdio Range and the Mt. Pinos Region) 1310 Comment
  JEPS85107  Penstemon heterophyllus var. australis Roy E. Buck, Rexford Palmer 1989-4-28 1228 Los Angeles 17 air km nw Castaic (ca 1.4 air km se of confluence of Piru Creek and Osito Canyon drainage, bottom of broad n-draining side canyon, tributary to Osito Canyon, beside.); se of confluence Piru Creek and Osito Canyon drainage 749 Comment
  LA51899  Penstemon heterophyllus var. australis C. L. Hogue; 1954-5-20 sn Los Angeles Santa Monica Mountains, Mulholland Drive 457 Comment
  LA51906  Penstemon heterophyllus var. australis Carl Epling; L. Ellison 1929-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  NY601644  Penstemon heterophyllus var. australis L. Abrams 1902-7-1 2641 Los Angeles Little Santa Anita Canyon Comment
  SDSU21064  Penstemon heterophyllus var. australis Ian Cain, Natasha Bartely 2010-6-21 1530 Los Angeles Angeles National Forest, San Gabriel Mountains. Along Bear Creek east of Cogswell Dam 488 Comment
  RSA401894  Penstemon spectabilis N. C. Cooper 1945-5-1 2180 Los Angeles Santa Monica Mountains 762 Comment
  RSA0060350  Pentagramma triangularis Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4334 Los Angeles San Clemente Island: E side of island, near Malo Point, second canyon S of Bryce Canyon. Comment
  RSA687402  Pentagramma triangularis subsp. triangularis M. B. Dunkle 1928-4-21 1882 Los Angeles Santa Catalina Island: wooded hillside, Renton Mine 304 Comment
  UC535317  Pentagramma triangularis subsp. triangularis Ira W. Clokey, B. Templeton Apr. 1929 4444 Los Angeles Mandeville Canyon; Santa Monica Mts 425 Comment
  UCSB25484  Pentagramma triangularis subsp. triangularis Bishop, Richard 1967-5-13 Los Angeles In roadside canyon, 2 mi. east of Live Oak Campground on Bear Canon Road, San Gabriel Mountains 762 Comment
  SEINET10639573  Perilla frutescens Heidi H. Schmidt, M. R. Weed 1999-10-12 Schmidt 3786 Los Angeles City of Santa Monica. Yaohan: 3760 Centinela Avenue: Santa Monica, CA: 90066: (310) 398-2113 - phone. 20 Comment
  SD85193  Peritoma arborea var. arborea E. R. Blakley 1961-9-23 4743 Los Angeles Santa Catalina Island; beach bluff between Isthmus Harbor and Fisherman's Cove. 4 Comment
  CAS-BOT-BC355966  Perityle emoryi Geo. B. Grant 1906-9-1 s.n. Los Angeles Catalina Island Comment
  SBBG31540  Perityle emoryi R. M. Beauchamp 1967-3-18 291 Los Angeles Lemon Tank Comment
  RSA0042220  Perityle emoryi Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-4 2839 Los Angeles Santa Catalina Island: Bluff southeast of Rippers Cove. 6 Comment
  SBBG80319  Perityle emoryi F. C. Boutin 1967-4-23 1621 Los Angeles NE of runway of main airstrip Comment
  SD51898  Perityle emoryi Peter H. Raven 1962-7-12 18036 Los Angeles San Clemente Island, rocks at west end of Northwest Harbor 14 Comment
  CAS-BOT-BC418875  Persicaria hydropiperoides A. C. Sanders; T. B. Salvato; Mitch Provance 2009-5-27 36952 Los Angeles San Gabriel Valley: confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines. 88 Comment
  UCR167509  Persicaria lapathifolia Scott D. White, A. Warniment 2005-9-9 11219 Los Angeles Tehachapi Mtns, Oso Canyon, c. 1-2 air miles north of Quail Lake 1067 Comment
  POM308326  Petalonyx thurberi Henry J. Ramsey, Henry J. Ramsey 1937-8-7 3057 Los Angeles Sand Canyon, San Gabriel Mountains Comment
  SD248440  Phacelia affinis R. G. Swinney 2010-5-11 12649 Los Angeles San Gabriel Mountains: Acton, 0.7 road miles east of Soledad Canyon Road & Crown Valley Road, 0.3 mile east of Crown Valley Road on dirt toad, below US Forest Service boundary (Acton 7.5'Q) 829 Comment
  RSA660436  Phacelia austromontana Orlando Mistretta 1992-6-19 596 Los Angeles Angeles National Forest; Timber Mountain, San Gabriel Mountains. Comment
  POM3805  Phacelia brachyloba I. M. Johnston 1917-7-1 1744 Los Angeles San Antonio Mountains; Near Browns Flats. 1372 Comment
  RSA0065210  Phacelia brachyloba R. G. Swinney 2010-5-29 13401 Los Angeles Junction of W. Fork May Canyon with May Canyon Truck Trail, Forest Service Road 3N54. 793 Comment
  RSA0088599  Phacelia brachyloba R. G. Swinney 2010-5-11 12686 Los Angeles East of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd. 872 Comment
  RSA427645  Phacelia cicutaria var. hispida C. Epling, L. Ellison, Harvey Anderson 1930-5-30 s.n. Los Angeles Mandeville Canyon. Comment
  RSA599569  Phacelia cicutaria var. hispida Steve Boyd, Lauren Raz 1997-4-16 9531 Los Angeles Liebre Mountains region: Northwest end of the range, Peace Valley due south of the junction of Interstate 5 and Highway 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service road 8N01. 960 Comment
  SBBG128123  Phacelia cicutaria var. hispida M. L. Hoefs 1994-5-21 1856 Los Angeles near upper Renton Mine Rd 252 Comment
  UC131468  Phacelia cicutaria var. hispida C. F. Baker 1904-5-6 4749 Los Angeles hills near Pomona Comment
  RSA427654  Phacelia cicutaria var. hispida E. S. Spalding 1923-5-2 s.n. Los Angeles Fish Canyon. Comment
  RSA643156  Phacelia cicutaria var. hispida Orlando Mistretta 1994-4-15 s.n. Los Angeles San Gabriel Mountains: Little Rock Creek Management Unit; Santiago Canyon Section. 1159 Comment
  RSA765195  Phacelia cryptantha Justin M. Wood 2010-5-10 1598 Los Angeles Little Rock Creek: upstream of Little Rock reservoir to confluence w/ Santiago Creek. 999 Comment
  RSA252937  Phacelia curvipes Robert F. Thorne, Gary D. Wallace 1973-4-24 43413 Los Angeles Junction of Pallett Creek and Longview Roads: ca. 4 mi S of Pearblossom. 1174 Comment
  UCR189749  Phacelia curvipes R. G. Swinney 1998-7-10 6408 Los Angeles San Gabriel Mtns., SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2 2250 Comment
  SEINET3237842 Image available Phacelia davidsonii R. G. Swinney 1998-7-10 6377 Los Angeles San Gabriel Mtns.; Prairie Fork, near Cabin Flats Campground. 1591 Comment
  UC1375347  Phacelia davidsonii Robert F. Thorne 1971-6-26 39982 Los Angeles Charlton Flats San Gabriel Mts., Angeles National Forest (along stream bed in small gully) 1645 Comment
  JEPS2007  Phacelia distans W. L. Jepson 1935-4-17 17055 Los Angeles 6 1/2 mi w Lancaster; w. Mohave Desert 731 Comment
  UCR149965  Phacelia distans Scott D. White 2004-5-10 10356 Los Angeles Liebre Mtns, N slope below Bald Mountain 1280 Comment
  UCR95547  Phacelia distans L. C. Wheeler 1967-5-12 9423 Los Angeles San Gabriel Mtns., Hunt Canyon, 3 mi. east of Vincent 1067 Comment
  RSA587261  Phacelia distans Orlando Mistretta 1994-5-13 1212 Los Angeles San Gabriel Mts, Little Rock Creek. 1067 Comment
  SBBG11599  Phacelia floribunda P. H. Raven 1962-5-10 17728 Los Angeles near bottom of Horse Cyn, large cyn W of Thirst 457 Comment
  HSC82801  Phacelia fremontii R. F. Thorne 1963-5-15 31668 Los Angeles 1 mile W of Los Angeles Co. line on Route 138, ca. 2 miles W of Desert Springs 1220 Comment
  UC1426001  Phacelia fremontii Robert F. Thorne and C. W. Tilforth 1973-4-20 43099 Los Angeles Mormon Rocks and Cajon Canyon San Gabriel Mts., Mojave Desert Slope, San Bernardino Nation 1036 Comment
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Sep 10 2013
  UCD120449  Phacelia grandiflora Gerald Dickinson 1962-5-8 32 Los Angeles Top of Saddle Peak and Stunt Rds. 670 Comment
  UCD120448  Phacelia grandiflora Gene Bishop 1994-5-19 T- 8 Los Angeles Topanga Canyon, halfway between coast and Calabasas. Comment
  RSA600143  Phacelia longipes Steve Boyd, Lauren Raz 1997-5-6 9735 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  UCR271246  Phacelia longipes R. G. Swinney 2011-6-1 14968 Los Angeles San Gabriel Mountains, north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes 1256 Comment
  SD38353  Phacelia minor Edith A. Purer 1931-2-28 53 Los Angeles Verdugo Hills Comment
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Jul 5 2010
  UCR281382  Phacelia minor R. G. Swinney 2014-5-19 16573 Los Angeles San Gabriel Mountains, Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Motorway 515 Comment
  UCSB42096  Phacelia minor Palys, Joe 1978-6-4 Los Angeles North side of Angeles Crest Highway, next to road; 17.2 mi. east of Mt. Gleason turnoff 1371 Comment
  RSA310140  Phacelia mohavensis Wayen E. Sawyer 1981-6-16 52 Los Angeles Lily Spring. 2454 Comment
  UC1375403  Phacelia mohavensis Robert F. Thorne and C. W. Tilforth 1971-6-30 40829 Los Angeles sandy creek bank 1.8 mi below Alder Saddle (in Pinyon Flats area); San Gabriel Mts., Angeles National Forest, S Fork of Little Comment
  RSA428142  Phacelia parryi C. Epling 1931-5-2 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains. Comment
  NY83883  Phacelia polysperma L. Abrams 1908-7-2 560 Los Angeles Rock Creek, desert slope of the San Gabriel Mountains 1158.2 Comment
  RSA428276A  Phacelia ramosissima var. latifolia F. R. Fosberg 1930-7-3 3927 Los Angeles Lexington Wash, San Gabriel River. El Monte. 80 Comment
  UC697614  Phacelia ramosissima var. latifolia Kay H. Beach 1942-10-1 1633 Los Angeles stream bed below Fern Run-off plots; San Gabriel Mountains, San Dimas Experimental Forest 1524 Comment
  UC1069408  Phacelia tanacetifolia A. D. Gifford 1935-3-25 502 Los Angeles 5 1/4 mi nw Sawmill Peak; Tejon Quadrangle Comment
  SEINET12280406  Phacelia tanacetifolia J. F. Bright 1934-1 9256 Los Angeles Santa Monica Coast Range Comment
  LA200584  Phacelia viscida Carl Epling; 1931-5-2 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA161203  Phacelia viscida Peter H. Raven 1962-3-27 16995 Los Angeles Palos Verdes Hills along Palos Verdes Drive 1.4 miles east to Portugese Bend. Comment
  SEINET10630704  Phaseolus vulgaris Mary Merello, Heidi H. Schmidt 1999-12-4 Merello 2546 Los Angeles City of Los Angeles. Little Tokyo. Enbun Market, 124 Japanese Village Plaza. Comment
  CDA38685  Pholisma arenarium D. Ferrell & L. Wendt 1965-6-24 s.n. Los Angeles Lancaster, 185th St. West and Ave D. 0 Comment
  SBBG31448  Pholistoma auritum R. F. Thorne 1966-4-5 Los Angeles Cape Cyn 274 Comment
  SFV22092  Pholistoma auritum var. auritum V. Soza, L. Gross, B. Hogshead 2001-4-26 1184 Los Angeles Verdugo Mountains Northwestern edge of Verdugo Mountains. North of La Tuna Canyon, near junction of Green Verdugo Fire Road from 210 Freeway and road to Green Verdugo Reservoir. North-northwest-facing, open, sunny slope. 473 Comment
  RSA459308  Pholistoma racemosum F. R. Fosberg 1931-4-16 S- 4643 Los Angeles Eagles Nest, Middle Ranch Canyon; Santa Catalina Island. 180 Comment
  RSA459309  Pholistoma racemosum M. B. Dunkle 1928-4-10 1824 Los Angeles Johnson s Canyon; Santa Catalina Island. Comment
  CAS-BOT-BC141150  Phoradendron serotinum subsp. macrophyllum Marcus E. Jones 1882-2-27 s.n. Los Angeles Pasadena Comment
  RSA567247  Phoradendron villosum Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3857 Los Angeles Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon. 1338 Comment
  UCR145195  Phoradendron villosum June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek Fire Station, Fenner Canyon 1616 Comment
  LA94733  Phoradendron villosum subsp. villosum P. R. Atsatt; Peter H. Raven, Henry J. Thompson 1955-7-10 553 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. Comment
  RSA683952  Phyllospadix scouleri E. Yale Dawson 1957-11-7 17738 Los Angeles Dead Man s Cove. Portuguese Point. Comment
  SBBG98489  Phyllospadix torreyi T. Ross 1991-5-22 5438 Los Angeles Spray Pt, W side of island ca. 5300 ft N of Eel Pt 0 Comment
  SD69723  Phyllospadix torreyi Robert F. Thorne 1966-5-31 36442 Los Angeles Santa Catalina Island; beach, on N side of Little Harbor in shallow water Comment
  RSA794888  Physalis acutifolia Justin M. Wood, Brandy Wood 2010-10-16 2940 Los Angeles City of Pomona: California State Polytechnic University, Pomona. Just southwest of intersection of Temple and Campus, just north of the Farm Store. 213 Comment
  POM219188  Physalis lancifolia Louis C. Wheeler 1932-8-29 1309 Los Angeles 2 miles northeast of La Verne. 373 Comment
  RSA0092871  Picris echioides Steven A. Junak, Mark Hoefs, Keri Kirkland, Lisa Stratton 1998-7-16 SCa- 753 Los Angeles Santa Catalina Island: Flats at Little Harbor Campground. 6 Comment
  UCR277100  Pinus contorta subsp. murrayana R. G. Swinney 2010-9-23 13888 Los Angeles San Gabriel Mountains, summit of Middle Hawkins Peak on Hawkins Ridge 2593 Comment
  SFV21075  Pinus coulteri L. Gross 2001-3-16 341 Los Angeles Verdugo Mountains North side of mountains on Whiting Woods Mountainway, dirt road at end of Whiting Woods Road, in Verdugo City. Road starts at Henderson Canyon and climbs to the main crest. 579 Comment
  CAS-BOT-BC73158  Pinus jeffreyi R. F. Thorne; L. E. DeBuhr 1972-8-18 42243 Los Angeles San Gabriel Mts., Angeles National Forest: just E along trail from peak of Mt. Islip. 2438 Comment
  UC1134087  Pinus lambertiana A. D. Gifford 1935-4-2 551 Los Angeles 1 mi nw Sawmill Pk.; Angeles National Forest 1584 Comment
  MACF019662  Pinus monophylla F. A. M. 1924-5-8 1553 Los Angeles San Bernardino Mts Comment
  UC215355  Pinus monophylla I. M. Johnston 1917-8-24 1722 Los Angeles N. Fk. of Little Creek San Antonio Mountains, N. Fk. of Little Creek 1981 Comment
  JEPS46895  Pinus sabiniana W. L. Jepson 1929-1-10 15100 Los Angeles Liebre Mts. Comment
  RSA631080  Piperia cooperi Louis C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island: 0.3 mile SSE Isthmus Bench Mark. 122 Comment
  RSA382795  Piperia elongata George Henry Grinnell 1927-7-3 s.n. Los Angeles Seminole Mountain, Malibu. Comment
  RSA0105043  Piptatherum miliaceum R. G. Swinney 2011-10-27 15918 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream. 649 Comment
  UCR132941  Piptatherum miliaceum Michael D. Wilcox 2003-8-30 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory 381 Comment
  CAS-BOT-BC71778  Pityrogramma triangularis var. viscosa Grant 1900-3-29 2381 Los Angeles Avalon, Santa Catalina I. Comment
  CAS-BOT-BC71780  Pityrogramma triangularis var. viscosa Tim Ross 1993-4-22 6909 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); 885 m due N of Cactus Peak summit 289 Comment
  RSA517845  Plagiobothrys arizonicus Steve Boyd 1986-3-30 1494 Los Angeles Mojave Desert: Highway 18, 0.5 miles east of junction with Hwy 138, NE of Pinyon Hills. Comment
  RSA656791  Plagiobothrys canescens James Henrickson 1979-4-18 17818 Los Angeles Just north of Valencia, E of Interstate 5, between McBean Parkway and Valencia Parkway, E of College-of-Canyons. 363 Comment
  JEPS6396  Plantago erecta Alice M. Ottley 1920-4-30 509 Los Angeles Arroyo Seco Pasadena Comment
  UCR164575  Plantago erecta Scott D. White 1995-3-15 2555 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
  RSA188084  Plantago erecta Robert F. Thorne 1966-4-28 36261 Los Angeles Santa Catalina Island. Water tank above Mausoleum, Avalon Canyon above road 183 Comment
  RSA401974A  Plantago erecta Samuel R. Tyson 1943-4-2 s.n. Los Angeles San Dimas Canyon. 442 Comment
  RSA401979  Plantago erecta Anstruther Davidson 1890-05 s.n. Los Angeles [No location data on label] Comment
  RSA747336  Plantago major R. G. Swinney 2005-8-5 8391 Los Angeles Big Rock Creek at Paradise Springs. 1439 Comment
  SBBG112931  Plantago major S. A. Junak 1997-11-15 SCa 481 Los Angeles Avalon Cyn, at Los Angeles County Interpretive Center 76 Comment
  UCR272712  Plantago ovata M. B. Dunkle 1940-3-19 7430 Los Angeles Channel Islands, San Clemente Island, SE Point [=Pyramid Point/Head] 61 Comment
  RSA402023B  Plantago ovata var. insularis M. B. Dunkle 1939-4-5 7270 Los Angeles San Clemente Island: China Point, Pyramid Cove. Comment
  RSA3248  Platanus racemosa Carl B. Wolf 1931-6-25 2234 Los Angeles Wash SW of Los Angeles Botanic Garden, along Beverly Blvd. (Mandeville Canyon). 61 Comment
  RSA608350  Platanus racemosa Louis C. Wheeler 1930-3-29 18 Los Angeles Santa Monica Mountains: Mandeville Canyon. Comment
  UCR108661  Platanus racemosa L. C. Wheeler 1961-6-13 7881 Los Angeles San Gabriel Mtns., Pacoima Canyon near Dutch Louie Camp 716 Comment
  SD218288  Plecostachys serpyllifolia R. E. Riefner Jr. 2009-6-9 09 113 Los Angeles City of Malibu, ca. 0.25 mile west of La Piedra State Beach. 3 Comment
  RSA0119032  Plectritis ciliosa A. C. Sanders, T. B. Salvato 2007-4-24 33496 Los Angeles Tehachapi Mountains: hills above Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant. 1082 Comment
  CAS-BOT-BC244433  Poa annua I. Johnston 1916-12-29 s.n. Los Angeles Claremont Comment
  CHSC95525  Poa bulbosa LeRoy Gross; John Gross, Johnny Gross, Matthew Gross 2002-4-27 533 Los Angeles Transverse Ranges; San Gabriel Mountains: Valley Forge Campground, in the West Fork of the San Gabriel river. 1057 Comment
  UCR223571  Poa pratensis R. G. Swinney 2009-6-3 11031 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
  RSA586348  Poa secunda Orlando Mistretta 1995-3-17 1551 Los Angeles Slopes southwest of Little Rock reservoir. On Emma section of Little Rock Creek Management Unit. 1219 Comment
  RSA728344  Poa secunda Gary D. Wallace 1982-4-17 1900 Los Angeles Mojave Desert: Fort Tejon Road S of Pearblossom, between 106th and Longview Road. Comment
  UCR209884  Poa secunda R. G. Swinney 2008-7-16 9245 Los Angeles San Gabriel Mtns., Will Thrall Peak, west of Burkhart Saddle 2392 Comment
  SEINET6071779  Poa secunda Louis C. Wheeler 1967-5-23 9676 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  SBBG56794  Poa secunda subsp. secunda R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  SEINET13387060 Image available Polemoniaceae R. G. Swinney 2011-1 15500 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
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Sep 13 2018
  HSC24788  Polycarpon tetraphyllum Barbara Kelly 1971-7-31 141 Los Angeles 10507 Ilona Ave Comment
  POM293179  Polycarpon tetraphyllum Lyman Benson 1946-6-20 12103 Los Angeles Claremont, Drainage Slope Pacific Slope Comment
  LA99137  Polygala cornuta var. fishiae R. L. Armacost; 1968-5-7 2377 Los Angeles Comment
  RSA347546  Polygala cornuta var. fishiae Barry A. Prigge 1985-6-14 6419 Los Angeles Cold Creek Canyon; along trail below Murphy Ranch Site 598 Comment
  UC450155  Polygala cornuta var. fishiae A. Davidson, M. D. 3263 Los Angeles Crags Club St. Monica Mts. Comment
  UCR229148  Polygonum argyrocoleon Dan S. Cooper 2011-5-13 511- 72 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  CAS-BOT-BC419776  Polygonum argyrocoleon Fay A. Mac Fadden 1936-6-1 14675 Los Angeles Mulholland Drive Comment
  RSA604719  Polygonum argyrocoleon Louis C. Wheeler 1962-5-20 8086 Los Angeles Wilmington: Catalina Island Terminal, Avalon Blvd. and Canal St. Comment
  CAS-BOT-BC414164  Polygonum aviculare subsp. buxiforme Grant 1906-9-1 7172 Los Angeles Santa Catalina Isl. Comment
  POM246614  Polypodium californicum F. R. Fosberg 1931-3-24 R 80 Los Angeles Santa Catalina Island. Hamilton Canyon Near Avalon. 80 Comment
  UCSB62282  Polypodium californicum Kiefer, Lawrence 1967-5-28 Los Angeles San Gabriel Mtns., Bobcat Canyon, tributary of W fork of San Gabriel River, ca. 1/8mi from mouth 762 Comment
  UCSB62294  Polypodium californicum Kiefer, Lawrence 1967-6-3 Los Angeles San Gabriel Mtns., Devil's Canyon-Bear Canyon Wild Area, W fork Bear Creek, tributary of W fork San Gabriel River, ca. 0.5mi upstream 701 Comment
  UCSB62344  Polypodium californicum Kiefer, Lawrence 1967-4-23 Los Angeles San Gabriel Mtns., Islip Canyon, tributary of San Gabriel River, ca. 1/2mi from the mouth 457 Comment
  UCSB62355  Polypodium californicum Kiefer, Lawrence 1967-4-15 Los Angeles San Gabriel Mtns., N of Altadena, Rubio Canyon, ca. 1/2mi above the dam 609 Comment
  UCD51651  Polypogon interruptus Katharine Brandegee Date Unknown s.n. Los Angeles Catalina Island. Comment
  LA10119  Polypogon monspeliensis Joseph Andorfer Ewan; 1932-6-28 7506 Los Angeles Santa Monica Mountains, Los Angeles River at Hyperion Bridge Comment
  UCR209927  Polypogon monspeliensis R. G. Swinney 2008-7-12 9168 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  SEINET10861092  Polypogon monspeliensis Carl C. Epling, M. Epling 1925-5-15 Epling s.n. Los Angeles Griffith Park Comment
  UCR259236  Polypogon semiverticillatus R. G. Swinney 2010-6-4 13004 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  UCR223549  Polystichum imbricans R. G. Swinney 2009-6-2 10991 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  CAS-BOT-BC72275  Polystichum imbricans subsp. curtum W. R. Dudley 1900-7-9 s.n. Los Angeles slope of San Gabriel Peak Comment
  CAS-BOT-BC6244  Polystichum munitum subsp. curtum Joseph Andorfer Ewan 1931-9-7 5159 Los Angeles Sawpit Canyon, San Bernardino Mts. 1280 Comment
  RSA85031  Polystichum scopulinum F. W. Peirson 1921-6-17 2464 Los Angeles canyon on divide between Little Rock Creek tributary and Bear Creek, San Gabriel Mts. 1920 Comment
  RSA187803  Populus X parryi Robert F. Thorne 1966-4-5 35877 Los Angeles Santa Catalina Island. Along Cottonwood Creek by bridge on road from Middle Ranch to Little Harbor. 27 Comment
  SFV21142  Populus balsamifera subsp. trichocarpa J. M. Keefe 2001-1-19 30999 Los Angeles San Fernando Valley Big Tujunga Wash, 300 m northwest of corner of Westcott Avenue and Grove Street in Sunland. 384 Comment
  UCR24188  Potamogeton crispus John C. Roos 1950-7-15 4852 Los Angeles San Gabriel Valley, Whittier Narrows, San Gabriel River bed near Whittier 61 Comment
  UC472160  Potamogeton pectinatus J. Ewan 1931-10-24 5376 Los Angeles Lake Malibu; Santa Monica Mountains 304 Comment
  RSA756752  Potentilla glandulosa R. G. Swinney 2008-6-18 9075 Los Angeles south of Juniper Hills, Burkhart Trail 0.7 miles WNW of Burkhart Saddle, junction of trail and W Fork of Cruthers Creek. 2012 Comment
  UC1334683  Prunus fasciculata R. S. Woglum 1935-5-6 729 Los Angeles Palmdale, ne Los Angeles County Palmdale Comment
  UCR177579  Prunus fasciculata LeRoy Gross 2005-5-3 2184 Los Angeles Transverse Range; San Gabriel Mountains, west terminus of Holcomb Ridge, west of Big Rock Creek, along the east [and] NE side of hill. North of Fort Tejon Road, west of Valyermo Road [also T5N, R9W SW/4 sec. 31] 1215 Comment
  RSA249741  Prunus fasciculata var. fasciculata Robert F. Thorne 1973-5-11 43482 Los Angeles 1/4-1/2 mile N of Bob's Gap, N slope of Holcomb ridge, ca. 2.5 miles due S of Llano. 1159 Comment
  RSA7588  Prunus ilicifolia Carl B. Wolf 1933-11-9 5547 Los Angeles Placerita Creek, 1 mile E of Newhall. 396 Comment
  NY42992  Prunus ilicifolia subsp. lyonii J. B. Walker 1995-4-8 1330 Los Angeles Santa Catalina Island, Cherry Cove/Cherry Valley 100 Comment
  UCR98738  Prunus virginiana var. demissa T. S. Ross, Steve Boyd, Peter Fritsch 1990-6-11 3368 Los Angeles San Gabriel Mtns., Big Rock Creek Canyon: c. 120 m NW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin) 1732 Comment
  CATA3139  Pseudognaphalium beneolens Sarah Ratay 2010-9-1 132 Los Angeles Santa Catalina Island: Near junction of Parsons Landing Road and West End Road 74 Comment
  UCR4209  Pseudognaphalium biolettii K. S. Gill 1965-3-20 14 Los Angeles San Gabriel Mtns., Palmer-Evey Motorway in foothills of Mt. Baldy, 5 miles north of Claremont 610 Comment
  SD66891  Pseudognaphalium biolettii R. Mitchel Beauchamp 1967-3-18 315 Los Angeles San Clemente Island; east rim of canyon south of Wilson Cove. Comment
  SFV6187  Pseudognaphalium biolettii R. M. Muran 1974-2-17 24 Los Angeles Santa Monica Mountains Hillside in Zuma Canyon. 412 Comment
  CAS-BOT-BC356703  Pseudognaphalium californicum F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  CAS-BOT-BC356721  Pseudognaphalium californicum Le Roy Abrams; E. A. McGregor 1908-7-5 683 Los Angeles Lone Pine Canyon, desert slopes of the San Gabriel Mountains 1066 Comment
  LA88400  Pseudognaphalium californicum O. H. Kappler; 1940-7-1 66 Los Angeles Santa Monica Mountains, Carbon Canyon Comment
  RSA0083080  Pseudognaphalium californicum R. G. Swinney 2010-3-22 12022 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  JEPS20530  Pseudognaphalium leucocephalum Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco Comment
  CAS-BOT-BC357043  Pseudognaphalium luteoalbum Robert F. Thorne; Reed Rollins; D. Propst; R. Carolin 1967-3-19 36766 a Los Angeles Santa Catalina Island: lower end of Toyon Canyon 45 Comment
  UC53985  Pseudognaphalium microcephalum H. P. Chandler 1902-9-9 2031 Los Angeles Ballona Marshes Comment
  UC64865  Pseudognaphalium stramineum unknown 1904-4-14 Los Angeles Santa Monica Comment
  MACF014891  Pseudotsuga macrocarpa F. A. MacFadden 1936-12-5 14740 Los Angeles Mt. Baldy Camp, San Antonio Canyon Comment
  SEINET5334803  Pseudotsuga macrocarpa W. D. Billings 1951-6-18 2102 Los Angeles Local in steep canyons and ravines, San Gabriel Range 91 Comment
  LA94227  Pteridium aquilinum var. pubescens Lawrence L. Kiefer; 1966-3-12 1711 Los Angeles SANTA MONICA MOUNTAINS, Tuna Canyon, ca 0.25 mi from mouth. 91 Comment
  UCR142737  Pteris vittata L. C. Wheeler 1966-10-25 9080 Los Angeles San Gabriel Mtns, Vicinity of E[dwin] Waldo Ward's Grove, 0.25 mi north of El Encanto, San Gabriel Canyon 244 Comment
  RSA0011715  Pteris vittata L. C. Wheeler 1966-10-25 9080 Los Angeles San Gabriel Mts., Angeles National Forest: San Gabriel Canyon near orange grove near El Encanto. Comment
  RSA392914  Pterostegia drymarioides Tom Burch 1940-3-17 s.n. Los Angeles Near Newhall 610 Comment
  RSA392921  Pterostegia drymarioides M. B. Dunkle 1928-4-10 1825 Los Angeles Johnson's Canyon, Santa Catalina Island. Comment
  RSA453107  Pterostegia drymarioides E. Crow 1928-4-11 247 Los Angeles hills south of Pomona Comment
  RSA678136  Pyracantha fortuneana Valerie L. Soza, Monica Acosta 2001-6-28 1306 Los Angeles Transverse Ranges, San Gabriel Mountains region: Mouth of El Prieto Canyon, along FS Road 2N66, lower El Prieto trailhead. [Coordinates given for Pasadena.] 396 Comment
  RSA0025112  Pyracantha koidzumii A. C. Sanders, T. B. Salvato 2009-5-19 36839 Los Angeles Montebello Hills, under SCE powerlines adjacent to Kaiser Hospital north of corner of Paramount Blvd. and N. Montebello Blvd. 103 Comment
  UC993206  Quercus J. M. Tucker 1948-9-26 1880 Los Angeles 9.6 mi e Gorman (beside Highway 138) Comment
  UC993210  Quercus J. M. Tucker 1948-9-26 1880 Los Angeles 9.6 mi e Gorman (beside Highway 138) Comment
  RSA0015971  Quercus agrifolia Steve Boyd, Valentin Arvizu, R. E. Riefner 2006-9-21 11691 -A Los Angeles Side drainage of La Tuna Creek just west of La Tuna Canyon Road offramp from 210 Freeway, adjacent to parking area for Santa Monica Mountains Conservancy reserve lands. Comment
  RSA476846  Quercus agrifolia Thekla Mohr 1931 Los Angeles Los Angeles. Comment
  RSA662321  Quercus agrifolia var. agrifolia Amy Drooks 1981-4-16 6 Los Angeles Cal Poly Pomona Campus, Box Canyon above Env. Bldg. Comment
  UCR212762  Quercus agrifolia var. agrifolia Ellen Mackey, Blake Whittington 2006-10-24 1825 Los Angeles Transverse Range; San Gabriel Mountains, San Gabriel River Watershed, San Gabriel R. main stem across from Morris Dam, between San Gabriel Canyon Road (Hwy 39) and Silver Fish Truck Trail 402 Comment
  LA200039  Quercus berberidifolia A. M. Johnson; 1934-5-4 4460 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Behind tunnel, right side of road. Comment
  SBBG59022  Quercus berberidifolia R. Hoffmann 1931-5-3 Los Angeles 3 mi E of Elizabeth Lake Comment
  SD239768  Quercus berberidifolia Dan S. Cooper 2011-3-28 311 22 Los Angeles Industry Hills, S of Temple Ave., La Puente. 177 Comment
  UCSB68635  Quercus berberidifolia Gross, LeRoy 2000-10-28 Los Angeles Verdugo Mountains: Brand lateral trail behind the Brand Park Library, ridge west of Idlewood Canyon, where Grandview Ave. and Mountain St. meet in city of Glendale. Following fire break up to main crest (to Beaudry fire road) 365 Comment
  RSA213390  Quercus chrysolepis M. B. Dunkle 1939-11-25 7361 Los Angeles E rim at Canyon Head, San Clemente Island Comment
  RSA476905  Quercus chrysolepis Ora M. Clark 1928-12-8 1363 Los Angeles S Baldy Camp, Mountain Canyons Comment
  SEINET5792293 Image available Quercus chrysolepis Marcus E. Jones 1882-1 3035 Los Angeles Pasadena, California Comment
  SFV16679  Quercus chrysolepis P. Wilson, J. M. Albert 1996-6-12 3444 Los Angeles San Gabriel Mountains Off Highway 2 at mile marker 52.85, near Three Points. 1799 Comment
  CAS-BOT-BC86223  Quercus dumosa Geo. B. Grant 1904-4-1 6137 Los Angeles Santa Catalina Island Comment
  JEPS46663  Quercus dumosa Ernest Braunton 1892-2 Los Angeles Griffiths Park Comment
  UCSB34869  Quercus dumosa R. Lloyd 1959-3-3 24 Los Angeles IN GANESHA HILLS POMONA (NEAR CORNER OF HILLCREST AND N HILL RD) 274 Comment
  CAS-BOT-BC79759  Quercus durata John Thomas Howell 1927-10-16 3153 Los Angeles on the trail between Santa Anita Canyon and Sierra Madre, San Gabriel Mts. Comment
  UCSB28150  Quercus durata Lloyd, Robert 1959-10-2 Los Angeles 11 miles north of Glendora on Glendora Mtn. Rd., San Gabriel Mts. 975 Comment
  UCSB34868  Quercus durata var. durata Gill, Robert 1959-3-12 Los Angeles Canyon Drive in Oak Park, Monrovia, in San Gabriel Mts. 304 Comment
  RSA0110802  Quercus durata var. gabrielensis R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14352 Los Angeles San Gabriel Mountains: Little Santa Anita Cyn., base of Mt. Wilson Trail, above Mira Monte Ave., to 0.15 miles NE above the trailhead. 268 Comment
  RSA547826  Quercus durata var. gabrielensis Tim S. Ross, Peter Fritsch 1990-6-20 3642 A Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  RSA654035  Quercus durata var. gabrielensis Valerie L. Soza, Laura Moore 2000-5-10 852 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, W of peak ''1936''. 564 Comment
  SFV22020  Quercus durata var. gabrielensis V. Soza, L. Gross, A. Munoz 2000-5-12 893 Los Angeles Verdugo Mountains Northeast side of Verdugo Mountains. Glendale, Engleheard Canyon, Camp Max Strauss at end of Shirlyjean Street. Fire road south from Engleheard Canyon to power lines. Northeast-facing slope above fire road. 396 Comment
  UCR269118  Quercus durata var. gabrielensis Orlando Mistretta, Christine Mistretta 2008-5-9 3017 Los Angeles San Gabriel Mountains, Southern California Edison transmission line tower (Segment 11, structure 63 per TRTP Survey 2008), in the vicinity of Arroyo Seco Canyon 845 Comment
  UCR271070  Quercus durata var. gabrielensis R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14352 Los Angeles San Gabriel Mountains, Little Santa Anita Cyn., base of Mt. Wilson Trail, above Mira Monte Ave., to 0.15 miles NE above the trailhead 427 Comment
  RSA611103  Quercus engelmannii Louis C. Wheeler 1936-1-19 4070 Los Angeles South slope San Gabriel Mountains, just above Pottinger Sanitarium. 305 Comment
  CAS-BOT-BC94755  Quercus john-tuckeri D. E. Breedlove 1961-8-4 923 Los Angeles At intersection with Big Pines Hwy and Largo Vista Road. San Bernardino Mts 1371 Comment
  RSA476810  Quercus kelloggii Bonnie C. Templeton 1932-5-31 4843 Los Angeles Between Big Pines and Jackson Lake 1925 Comment
  UCR127398  Quercus lobata A. C. Sanders, Mark Elvin, , Cathleen Weigand, M. S. Enright, Julie M. Vanderwier 2002-8-8 25564 Los Angeles Santa Clara River Valley, north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur 274 Comment
  UCR9304  Quercus lobata Ted Hanes 1966-10-12 s.n. Los Angeles Transverse Range, Pine Mountain Road between Lake Hughes and Three-Points Comment
  CAS-BOT-BC257063  Quercus tomentella P. S. Manos 1988-10-28 699 Los Angeles San Clemente Island, N fork of Eagle Canyon 243 Comment
  LA92003  Quercus tomentella Peter H. Raven; 1962-5-21 17808 Los Angeles Santa Catalina Island, lower end of Pebbly Beach Canyon 91 Comment
  RSA177661  Quercus tomentella Robert F. Thorne, Everett 1965-5-10 34502 Los Angeles Upper end of Gallagher Canyon, Santa Catalina Island. 412 Comment
  SBBG41302  Quercus tomentella M. R. Benedict 1970-6-27 Los Angeles lower Cape Cyn about 1.5 mi above jct with Middle Cyn Comment
  RSA277145  Quercus wislizeni var. frutescens J. L. Huber 1970-8-2 1094 Los Angeles Chilao, 1mile north of Chilao Fire Station, San Gabriel Mtns. 1524 Comment
  RSA674783  Rafinesquia californica Scott D. White, Kent Hughes 2000-5-16 7847 Los Angeles San Gabriel Mountains: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  UC1595253  Rafinesquia californica Tim Ross and Peter Fritsch 1990-6-20 3634 Los Angeles near confluence of E and W Forks of the San Gabriel River (mouth of Burro Canyon); San Gabriel Mountains, Burro Canyon 445 Comment
  UCR265013  Rafinesquia californica Mitch Provance, Callen Huff 2009-4-28 10668 Los Angeles Tehachapi Mountains, Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 1.3 miles ENE of Gorman; site PO1086 1371 Comment
  LA52190  Ranunculus californicus Carl Epling; March 1925 6510 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  LA36079  Ranunculus hebecarpus Peter H. Raven; Henry J. Thompson 1960-4-24 15123 Los Angeles 609 Comment
  UCSB2425  Raphanus sativus Haller, Norman 1953-4-18 Los Angeles Two lots up from Tri-Delt house, Hilgard Ave., University of Calif. at Los Angeles Comment
  UCR108388  Rhamnus californica L. C. Wheeler 1961-6-13 7880 Los Angeles San Gabriel Mtns., Pacoima Canyon near Dutch Louie Camp 716 Comment
  RSA648643  Rhamnus californica subsp. californica Fred Brooks 1988-5-7 30 Los Angeles San Antonio Canyon, 1.5 mi. above second tunnel at Mountain Rd. turnoff. Comment
  CAS-BOT-BC59941  Rhamnus crocea Mary H. Ward; Shirley W. Campbell 1970-4-2 LASCA- 888 Los Angeles Along lower reach of Arroyo Seco, southwestern Pasadena. Comment
  RSA306193  Rhamnus crocea Fay A. MacFadden 1933-3-14 s.n. Los Angeles La Tuna Canyon, Verdugo Hills Comment
  POM199527  Rhamnus ilicifolia I. W. Clokey, Bonnie C. Templeton 1929-07 4575 Los Angeles Mandeville Canyon. 275 Comment
  RSA0083123  Rhamnus ilicifolia R. G. Swinney 2010-6-4 13031 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA754141  Rhamnus ilicifolia Ellen Mackey, Blake Whittiington 2006-10-24 NFWF- 1827 Los Angeles San Gabriel River main stem across from Morris Dam, CS1 405 Comment
  UC1922244  Rhamnus ilicifolia Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1342 Los Angeles Transverse Ranges; Verdugo Mountains region; La Crescenta Valley Park, near confluence of Verdugo Wash and Cunningham Canyon 457 Comment
  RSA167835  Rhamnus pirifolia Robert F. Thorne, Percy C. Everett 1964-2-7 33471 Los Angeles Santa Catalina Island, lower end of Pebbly Beach, E end of island 76 Comment
  RSA1828  Rhamnus pirifolia Knopf, Johnson 1930-1-30 698 Los Angeles Middle Ranch Canyon, Santa Catalina Island. Comment
  SBBG39124  Rhamnus pirifolia K. K. Muller 1953-5-2 593 Los Angeles Swain Cyn above Camp Orizaba Comment
  RSA390142  Rhamnus tomentella subsp. cuspidata M. B. Dunkle 1933-6-17 3591 Los Angeles San Antonio River Canyon. 915 Comment
  UCR167508  Rhamnus tomentella subsp. cuspidata Scott D. White, A. Warniment 2005-9-9 11222 Los Angeles Tehachapi Mtns, Oso Canyon, c. 1-2 air miles north of Quail Lake 1067 Comment
  LA32122  Rhamnus tomentella subsp. tomentella Peter H. Raven; 1959-10-18 14679 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy 2.9 mi E of Decker Rd. 662 Comment
  UCR219400  Rhus aromatica R. G. Swinney 2009-3-25 10160 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
  CAS-BOT-BC170465  Rhus integrifolia Lyon 1885-10-1 s.n. Los Angeles Sta Catalina Island Comment
  CATA933  Rhus integrifolia Mark L. Hoefs, Robert Given 1992-4-16 1792 Los Angeles Santa Catalina Island: Wild Boar Gully 152 Comment
  CHSC95433  Rhus integrifolia LeRoy Gross 2002-2-24 486 Los Angeles Los Angeles Basin; Verdugo Mountains Region: Northwest side; Entered at the corners of Ledge Ave. and Tuxford St. off La Tuna Canyon Road in Sun Valley. West of McDonald Creek. Low +- rounded foothills of Coastal sage scrub, horse trail climbs in a north direction a ridge to top of crest, then a ridge from top of crest northward down the north side of crest to the community of Shadow hills, where Sunland Blvd. runs through. 351 Comment
  LA33971  Rhus integrifolia Peter H. Raven; 1959-3-1 13814 Los Angeles SANTA MONICA MOUNTAINS, Vermont Canyon, Griffith Park 243 Comment
  SD86329  Rhus integrifolia R. Mitchel Beauchamp, M. Douglas 1972-3-24 3214 Los Angeles San Clemente Island 99 Comment
  RSA783434  Ribes J. D. Olmsted 1960-1-8 1091 Los Angeles Sycamore Canyon, just past No Trespassing sign, beginning of Wildwood T. T., San Gabriel Mts. 457 Comment
  UC1127375  Ribes aureum P. L. Johannsen 1934-2-16 286 Los Angeles 2 mi s Newhall (along R. R. track); Santa Susana Quadrangle Comment
  CAS-BOT-BC92436  Ribes aureum var. gracillimum Louis C. Wheeler 1932-2-12 445 Los Angeles San Gabriel Wash. 106 Comment
  LA50705  Ribes aureum var. gracillimum Carl Epling; March 1925 6522 Los Angeles Santa Monica Mountains, Griffith Park Comment
  RSA476436  Ribes aureum var. gracillimum Robert Gustafson, Gary D. Wallace 1982-4-14 2507 Los Angeles Gold Hill, Monrovia; southern base of the San Gabriel Mts. Comment
  RSA640828  Ribes aureum var. gracillimum Louis C. Wheeler 1931-2-7 s.n. Los Angeles San Gabriel Mountains: San Dimas Wash. Comment
  SEINET13942332 Image available Ribes californicum Scott D. White 1995-1 2540 Los Angeles San Gabriel mountains, Upslope from USFS San Dimas Stn., N end of San Dimas Res., USGS 7 1/2' Glendora quad, +/- 1500 ft. elev. 34 deg. 10' N, 117 deg. 46' W. T1N, R9W, S24 457 Comment
  CAS-BOT-BC108870  Ribes divaricatum var. parishii Clarence R. Quick 1942-4-18 s.n. Los Angeles Collected at El Monte. Comment
  RSA640829  Ribes indecorum Louis C. Wheeler s.n. Los Angeles LaVerne: Wheeler's residence. Comment
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Nov 23 2015
  RSA0021114  Ribes lasianthum C. J. Lovell 1941-5-20 s.n. Los Angeles Shoemaker Creek, north slope San Gabriel Mountains. 2012 Comment
  CAS-BOT-BC173402  Ribes malvaceum Ralph Hoffmann 1931-4-12 190 Los Angeles Below Pine Forest, west end of Santa Catalina Island Comment
  LA200838  Ribes malvaceum Carl Epling; 1930-3-8 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  UC421640  Ribes malvaceum John Thomas Howell 1928-3-4 3378 Los Angeles near Santa Monica; Santa Monica Mountains Comment
  UC1952576  Ribes malvaceum var. malvaceum M. B. Dunkle 1939-11-24 7338 Los Angeles San Clemente Island. Head of canyon, Mosquito Summit. Comment
  RSA441467  Ribes malvaceum var. viridifolium Glenn B Coy 340 Los Angeles Mulholland Drive, Beverly Hills Comment
  RSA441486  Ribes malvaceum var. viridifolium E. Crow 1929-1-13 146 Los Angeles San Dimas Canyon. Comment
  RSA84498  Ribes malvaceum var. viridifolium Joseph A. Ewan 1932-1-3 7014 Los Angeles Head of Nichols Canyon, Santa Monica Mts. Comment
  RSA180094  Ribes nevadense Wandalee Thompson 1965-6-26 s.n. Los Angeles San Gabriel Mts. 1890 Comment
  RSA121543  Ribes quercetorum A. D. Gifford 1935-4-10 558 Los Angeles West end of Liebre Mtn, Tejon. 1494 Comment
  RSA230182  Ribes roezlii Robert F. Thorne 1969-7-10 38350 Los Angeles Mescal Creek Play Area 2043 Comment
  UCR141808  Ribes roezlii var. roezlii June Latting 1978-9-16 s.n. Los Angeles San Gabriel Mountains, Whitethorn Spring [presumed near former Whitethorn Campground] on the Angeles Crest Highway 2317 Comment
  RSA476293  Ribes speciosum Freda Detmers 1929-2-24 s.n. Los Angeles Laurel Canyon Comment
  SEINET3151846  Ribes tenuiflorum G. B. Grant, W. Wheeler 1904-5-7 1128 Los Angeles Glendora Comment
  SBBG21943  Ribes viburnifolium R. F. Thorne with P. C. Everett 1964-2-6 33292 Los Angeles above Fourth of July Cove 30 Comment
  CDA34291  Ricinus communis M. O'Brien 2006-10-1 MOB 06 -6 Los Angeles San Gabriel Mountains; East Fork San Gabriel River, 4.7 miles above the dam. Comment
  RSA0110805  Ricinus communis R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14335 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
  RSA480742  Ricinus communis Robert Gustafson 1981-4-29 2213 Los Angeles Ballona Wetlands, Area 2. Comment
  RSA188092  Romneya coulteri Robert F. Thorne, Percy C. Everett 1965-6-22 34923 Los Angeles Catalina Island. South of Avalon golf course. 91 Comment
  CSUSB1041  Romneya trichocalyx Becky Alejandre 1970-5-18 s.n. Los Angeles Malibu lagoon 18 miles north of Santa Monica on the Pacific Coast Highway in Los Angeles county, California. A sandy wash area 10 feet from Malibu Creek .5 miles east of Market Basket Store on Las Virgenes Road. Comment
  UCR219432  Rorippa nasturtium-aquaticum R. G. Swinney 2009-3-28 10186 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon 427 Comment
  CAS-BOT-BC147473  Rosa californica L. R. Abrams 1913-7-18 5016 Los Angeles Russel's Lake Comment
  POM2666  Rosa californica I. M. Johnston 1918-8-14 2121 Los Angeles Hills west of Pomona, 305 Comment
  RSA600132  Rosa californica Steve D. Boyd, Lauren Raz 1997-5-28 9832 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. 866 Comment
  SEINET3157411  Rosa californica G. B. Grant 1131 Los Angeles Pasadena Comment
  RSA565752  Rubus discolor Mike Hammitt, Jason Rick 1991-6-25 s.n. Los Angeles San Gabriel Mountains: Arroyo Seco Canyon; above the debris dam and below Oakwilde Picnic Area along the Gabrielino Trail Comment
  UCR194285  Rubus leucodermis R. G. Swinney 1998-10-3 7021 Los Angeles San Gabriel Mtns, upper Fish Fork San Gabriel River, c. 1 mile east (upstream) from Upper Fish Fork Campground 2012 Comment
  CAS-BOT-BC158817  Rubus ursinus P. A. Munz 1919-5-4 2219 Los Angeles Laguna Canyon Comment
  POM1440  Rubus ursinus Charles W. Metz 1909-6-1 8 Los Angeles Claremont. Comment
  UCR255480  Rumex crispus Dan S. Cooper 2014-6-26 614- 38 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, lower Brush Canyon 194 Comment
  RSA466096  Rumex hymenosepalus Bonnie C. Templeton 1930-5-13 1454 Los Angeles Mint Canyon, San Gabriel Mts. 600 Comment
  LA33968  Rumex salicifolius Peter H. Raven; 1959-9-6 14403 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek, near mouth. 12 Comment
  SBBG31073  Rumex salicifolius R. F. Thorne with D. Propst 1968-5-27 Los Angeles Middle Ranch Cyn Comment
  CAS-BOT-BC454163  Ruppia maritima L. R. Abrams 1901-6-11 1751 Los Angeles Wilmington Comment
  PASA1150  Salazaria mexicana 4/28 Los Angeles near Palmdale Comment
  RSA772520  Salazaria mexicana R. G. Swinney 2009-5-13 10768 Los Angeles upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills. 1122 Comment
  SDSU21090  Salazaria mexicana Ian Cain 2010-5-9 1399 Los Angeles East south east of Llano. Just north of the corner of Highway 138 and 185th street east 1003 Comment
  UC25645  Salazaria mexicana none 1897-1 11 Los Angeles Antelope Valley Comment
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Jul 21 2010
  RSA0048367  Salazaria mexicana James R. Shevock 1972-4-25 1589 Los Angeles 5 miles west of Palmdale on Sierra Highway. 975 Comment
  SBBG19204  Salicornia pacifica M. A. Piehl 1963-12-8 631105 Los Angeles mouth of Horse Beach Cyn, which is first cyn E of China Pt 3 Comment
  UCR272747  Salicornia virginica M. B. Dunkle 1939-4-7 7330 Los Angeles San Clemente Island, Pyramid Cove 91 Comment
  RSA0078305  Salix argophylla Raymond J. Dobbs 1924-4-3 3017 Los Angeles Griffith Park. Comment
  CAS-BOT-BC103161  Salix bonplandiana Peter H. Raven 1962-5-20 17790 Los Angeles Santa Catalina Island, Cape Canyon Comment
  RSA593470  Salix exigua Steve D. Boyd, Mike Wall 1996-5-16 8781 Los Angeles Liebre Mountains, confluence of Ruby Canyon and Elizabeth Lake Canyon at northwest end of Red Mountain. 585 Comment
  RSA762368  Salix exigua R. G. Swinney 2009-3-13 10106 Los Angeles Azusa, mouth of San Gabriel River Canyon, 0.8 mi. north of Foothill Blvd. on east side of main river channel 192 Comment
  UCR205623  Salix gooddingii A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37028 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  LA208742  Salix laevigata Carl Hedin; Joseph Ewan 1932-4-30 7642 Los Angeles Along stream from Baldwin Hills near Higuera Road, Culver City [Area 2] Comment
  RSA488001  Salix laevigata Mark Hoefs, D. Propst 1973-3-14 100 Los Angeles Cape Canyon, Santa Catalina Island. 305 Comment
  RSA578825  Salix laevigata Tim S. Ross, Darin Banks 1994-4-13 7520 Los Angeles San Francisquito Canyon: riparian strip and adjacent lower slopes ca 430 m SW of San Francisquito Powerhouse No. 2 465 Comment
  SD1033  Salix laevigata Carl W. Sharsmith 1932-1-17 11 Los Angeles Lower San Gabriel Canyon, about 9.5 km above Azusa 299 Comment
  UC482205  Salix laevigata Mrs. H. P. Bracelin and F. R. Fosberg 1931-10-11 568 Los Angeles 2.5 km. w Ocean Beach; Santa Monica Mts., Lower Topanga Canyon 15 Comment
  UCD111139  Salix laevigata Carl W. Sharsmith 1931-10-26 2 Los Angeles Santa Clara River Valley, 1.5 km north of Castale. 315 Comment
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Nov 12 2014
  POM48309  Salix lasiolepis Philip A. Munz 1925-2-22 9342 Los Angeles Santa Susanna. Comment
  SD1054  Salix lasiolepis Carl W. Sharsmith 1932-1-17 7 Los Angeles bottom of Lower San Gabriel Canyon, about 9.5 km above Azusa 299 Comment
  SD253552  Salix lasiolepis R. G. Swinney 2011-3-26 14212 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
  UC482212  Salix lasiolepis Carl W. Sharsmith 1931-11-15 3 Los Angeles at foot of coastal headland near mouth of Topanga Canyon; Santa Monica Mts., Topanga Canyon 15 Comment
  UC506415  Salix lasiolepis Carl Hedin and Joseph Ewan 1932-5-19 7663 Los Angeles Ballona Creek at Ballona Marshes; Ballona Creek at Ballona Marshes Comment
  CAS-BOT-BC107555  Salix lasiolepis var. lasiolepis F. R. Fosberg 1932-1-26 7173 Los Angeles between Calabasas and Agoura 285 Comment
  CAS-BOT-BC128515  Salix lasiolepis var. lasiolepis F. R. Fosberg 1931-10-23 5852 Los Angeles Santa Monica Mountains - Agoura (Picture City) Comment
  CHSC106738  Salsola tragus R. E. Riefner Jr. 2007-5-12 07 -199 Los Angeles City of Santa Clarita/Newhall area, near I-5 Freeway at SR-126. UTM: (NAD 83) 11S 0352824E 3812534N. 331 Comment
  SFV22129  Salsola tragus V. Soza, L. Gross, M. Sripracha 2001-7-20 1358 Los Angeles Verdugo Mountains Whiting Woods Mountainway junction with Verdugo Mountain Mountainway, near radio facilities. Southeast-facing slope alongside paved road to radio facilities. 854 Comment
  RSA524629  Saltugilia splendens subsp. grantii T. S. Ross, S. D. Boyd 1990-5-17 2599 Los Angeles San Gabriel Mountains, Angeles National Forest: Mill Creek Tree Plantation, Tujunga District. 1613 Comment
  RSA0116639  Saltugilia splendens subsp. grantii Orlando Mistretta, Christine Mistretta 2008-4-16 2472 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 23 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1142 Comment
  RSA789032  Saltugilia splendens subsp. splendens J. Mark Porter, Lauren Machen 2012-5-20 15166 Los Angeles San Gabriel Mountains, Along Highway 2 (Angeles Crest Highway) NE of Wrightwood, in lower Swarthout Canyon. 1639 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
  RSA0082595  Salvia apiana R. G. Swinney 2010-6-4 12989 Los Angeles Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon. 476 Comment
  RSA214271  Salvia apiana Louis C. Wheeler 1932-5-21 726 Los Angeles Garapito Creek, Santa Monica Mountains. 305 Comment
  RSA424338  Salvia apiana William Emboden 1970-6-12 24 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  RSA442832  Salvia apiana William Emboden 1969-5-28 17 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA442843  Salvia apiana William Emboden 1969-5-28 49 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA570179  Salvia columbariae Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4794 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  RSA596059  Salvia columbariae Tim S. Ross, J. Mark Porter 1995-5-4 8425 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  SBBG95203  Salvia columbariae M. B. Dunkle 1928-3-31 1774 Los Angeles Campo Blanco 182 Comment
  UCR282031  Salvia columbariae R. G. Swinney 2014-4-24 16235 Los Angeles San Gabriel Mountains/Mojave Desert, SE of Valyermo, Shoemaker Cyn., S-facing slope on south side of Big Pines Hwy at 2nd horseshoe curve, 0.7 mile ENE of jct. of Big Rock Creek Rd. 1244 Comment
  CAS-BOT-BC224948  Salvia dorrii var. pilosa Carl B. Wolf 1928-3-29 1550 Los Angeles Foothills at South side of Antelope Valley, 2 mi. So. of Neenach 1066 Comment
  RSA446282  Salvia dorrii var. pilosa J. Doty 1969-4-19 628 Los Angeles Goode [Godde] Pass Road, 0.9 miles south of its junction with Avenue N 884 Comment
  JEPS62725  Salvia leucophylla W. L. Jepson 1920-5-3 8928 Los Angeles Castaic sta. 975 Comment
  LA82013  Salvia leucophylla O. H. Kappler; 1940-5-19 17 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UC1124766  Salvia leucophylla F. H. Raymond 1930-1-6 18 Los Angeles Escondido Canyon; Triunfo Pass Quad. 335 Comment
  UC57549  Salvia leucophylla J. H. Barber 1898-8-3 Los Angeles Topanga Comment
  CAS-BOT-BC229930  Salvia mellifera G. R. Campbell 1950-4-17 14594 Los Angeles Escondido Canyon, on road to Malibu Lake, 8 miles from Hwy Alt. 101 548 Comment
  OBI8154  Salvia mellifera Lewis Meltz 1977-4-9 LM 20 Los Angeles 25m S of Eaton Cyn, Wash, 2.5 km E of Eaton Cyn. Bridge Comment
  RSA434107  Salvia mellifera F. R. Fosberg 1931-3-18 S 4291 Los Angeles Hamilton Canyon, Santa Catalina Island. 10 Comment
  RSA579238  Salvia mellifera Tim S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, Darin L. Banks, Megan Tommerup 1994-3-28 7408 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; sun-named horseshoe-shaped canyon to the NE of upper Forrestal Drive. 174 Comment
  RSA59067  Salvia mellifera G. R. Campbell 1950-4-17 14594 Los Angeles Escondido Canyon, on road to Malibu Lake, 8 miles from Hwy Alt. 101. 549 Comment
  SBBG39466  Salvia mellifera K. K. Muller 1953-5-2 586 Los Angeles Swain Cyn above Camp Orizaba Comment
  UC519730  Salvia mellifera Joseph Andorfer Ewan 1932-5-10 7463 Los Angeles w rim Verdugo Canyon Comment
  UCD125551  Salvia mellifera Kenneth A. Wilson 1961-3-11 975 Los Angeles San Gabriel Mtns. Placerita Canyon Road. Small canyon 1 mile west of Placerita Canyon State Park. Comment
  CDA40973  Salvia mellifera T. C. Fuller 1965-4-26 13375 Los Angeles East slope of Saddle Peak, Tuna Canyon Road above Fernwood Pacific Drive, 2.7 miles west of Topanga. 0 Comment
  RSA214302  Salvia spathacea Louis C. Wheeler 1932-4-2 548 Los Angeles Head of Mandeville Canyon, Santa Monica Mts. 457 Comment
  RSA434067  Salvia spathacea T. S. Clare 1929-3-28 s.n. Los Angeles Topanga Canyon. Comment
  UCR170404  Salvia spathacea Alex R. Van Dam 2004-5-16 021 Los Angeles Western Transverse Range; Santa Monica Mtns., Franklin Canyon Park on hiking trail on N-facing slope 262 Comment
  PASA282  Sambucus mexicana Nora Serruirer Los Angeles Altadena Comment
  RSA329674  Sambucus mexicana Gary D. Wallace 1975-4-26 1423 Los Angeles Claremont, vacant wash and weedy coastal sage scrub area near Rancho Santa Ana Botanic Garden. Comment
  RSA657961  Sambucus mexicana D. Adams 1979-5-11 8 Los Angeles Verdugo Mountains; East of Glendale College, approx. 58 meters from east corner of cafeteria, 1500 North Verdugo Road, Glendale. Comment
  RSA682453  Sambucus mexicana LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1036 Los Angeles South side of mountains:West side of Brand Canyon just a short distance above the cemetery. 307 Comment
  RSA0087239  Sambucus nigra subsp. caerulea R. G. Swinney 2010-4-28 12383 Los Angeles near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  SBBG69472  Sambucus nigra subsp. caerulea M. N. Ackley -Mar-1928 87 Los Angeles Eagle Rock 213 Comment
  UCR271893  Sambucus nigra subsp. caerulea R. G. Swinney 2010-5-7 12592 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
  LA32917  Sanicula arguta Jean Wylie; 1936-4-18 Los Angeles Santa Monica Mountains, Mulholland Drive Comment
  RSA533988  Sanicula arguta T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5117 Los Angeles San Clemente Island, eastern escarpment, 1400 ft. SSE of Jack (not Jack Point), and 1350 ft. NW of the mouth of Larkspur Canyon. 145 Comment
  RSA0119035  Sanicula bipinnata A. C. Sanders, T. B. Salvato 2007-4-24 33489 Los Angeles Tehachapi Mountains: hills above head of Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant. 1098 Comment
  UC21334  Sanicula bipinnata A. J. McClatchie 1893-3-30 1 Los Angeles near Pasadena Comment
  RSA746900  Sanicula bipinnatifida R. G. Swinney 2005-4-15 8220 Los Angeles Glendora, South Hills, junction of Wild Iris Trail and South Hills Trail 320 Comment
  UCR205074  Sanicula crassicaulis R. G. Swinney 2008-4-9 8619 Los Angeles San Gabriel Mtns., Glendora, Wildwood Canyon 329 Comment
  RSA52510  Sanicula tuberosa George B. Grant 1906-6-10 6665 Los Angeles [San Gabriel Mountains] Mt. Lowe, Castle Canyon Trail. 1220 Comment
  UCR23573  Sarcodes sanguinea John C. Roos 1966-6-15 s.n. Los Angeles San Gabriel Mountains, North slope of Mt. Baden-Powell near Lamel Spring 2378 Comment
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Aug 18 2012
  RSA628635  Sarcodes sanguinea L. C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: West side Pallett Mountain. 2256 Comment
  RSA747981  Schedonorus arundinaceus R. G. Swinney 2005-5-14 8232 Los Angeles San Gabriel Mtns. N of Juniper Hills, S of Pear Blossom, SE corner of Tejon Road and Longview Rd. (131st street). 1091 Comment
  RSA579239  Schinus terebinthifolius T. S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, Darin Banks, Megan Tommerup 1994-3-28 7410 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; sun-named horseshoe-shaped canyon to the NE of upper Forrestal Drive; 174 Comment
  SBBG35418  Schismus arabicus P. Harvey 1969-6-29 H 69 -21 Los Angeles Texas Cyn Rd, 1 mi E of Bouquet Cyn Rd Comment
  UCR179200  Schismus barbatus L. C. Wheeler 1973-4-8 s.n. Los Angeles San Gabriel Mountains, Little Tujunga Canyon 427 Comment
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Jul 5 2010
  LA201029  Schismus barbatus Carl Wishner; 1989-4-12 1557 Los Angeles SIMI HILLS, Liberty Canyon, quarry site 0.25 mi NW of US 101 underpass. 320 Comment
  RSA524191  Schoenoplectus acutus var. occidentalis Timothy S. Ross, Steve Boyd 1990-6-6 2884 Los Angeles Piru Pond: Los Padres National Forest. (admin. by Angeles N.F.) 645 Comment
  UCR129401  Schoenoplectus acutus var. occidentalis A. C. Sanders, Mark Elvin 2002-6-20 25214 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  JEPS45900  Scirpus microcarpus Louis C. Wheeler 1932-9-5 1344 Los Angeles San Antonio Canyon San Gabriel Mts., San Antonio Canyon 1066 Comment
  SD66844  Scrophularia villosa R. Mitchell Beauchamp 1967-6-3 562 Los Angeles north side of canyon, south of Thirst, San Clemente Island Comment
  LA55092  Scutellaria mexicana Carl Epling; May 1925 11010 Los Angeles SW of Palmdale 609 Comment
  RSA445366  Scutellaria tuberosa E. Crow 1928-2-29 274 Los Angeles Thompson s Creek, Hills N of Claremont. Comment
  RSA45097  Scutellaria tuberosa Marcus E. Jones s.n. Los Angeles Los Angeles. Comment
  RSA653262  Secale cereale A. C. Sanders, Steve Boyd 1997-4-20 20492 Los Angeles Antelope Valley: along Hwy 138 in vicinity of 230th St. West 890 Comment
  CAS-BOT-BC62032  Selaginella bigelovii L. R. Abrams; I. L. Wiggins 1931-7-6 341 Los Angeles Vicinity of Mosquito Harbor Comment
  RSA0105155  Selaginella bigelovii R. G. Swinney 2011-10-27 15903 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream. 649 Comment
  SEINET10872365  Selaginella bigelovii Jon Ricketson, Heidi H. Schmidt; Janet Takara 1992-10-20 Ricketson 4793 Los Angeles Santa Catalina Island; Catalina Conservancy Land. Eastern most Bumpgate in Middle Canyon, along Middle Canyon Trail (Road). Between Middle Ranch Junction and Cape Canyon Trail. 8-9 miles west of the city of Avalon. Collections made in cooperation with the Catalina Conservancy. 250 Comment
  UCR200152  Selaginella bigelovii Valerie Soza, Shalini Deo, Stephen Dreher 2000-4-27 812 Los Angeles Verdugo Mountains, south side, Wildwood Canyon, Wildwood Canyon Park, at end of paved Wildwood Canyon Road at junction with fire road 595 Comment
  UCR61051  Selaginella bigelovii R. G. Swinney 1989-6-10 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon 396 Comment
  RSA683746  Selaginella bigelovii Meryl B. Dunkle 1928-5-12 1927 Los Angeles Empire Landing. Santa Catalina Island. Comment
  IRVC26437  Senecio californicus A. C. Sanders, Mark Elvin 2003-3-5 25730 Los Angeles Newhall Ranch, "Exon Mesa," due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River NE end of Santa Susana Mtns. 335 Comment
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Feb 19 2010
  RSA656222  Senecio douglasii Rick Larson 1975-11-10 32 Los Angeles Verdugo Mountains: La Crescenta Park at the bottom of La Crescenta Avenue, La Crescenta. 457 Comment
  POM8706  Senecio flaccidus var. douglasii P. A. Munz, R. D. Harwood 1920-8-11 4385 Los Angeles 1 mile south of Claremont 366 Comment
  RSA486469  Senecio flaccidus var. douglasii Richard Noyes 1988-7-30 600 Los Angeles Claremont. foothills of the San Gabriel Mountains. Burbank Canyon, NW of Thompson Creek Dam 500 Comment
  UC1070147  Senecio flaccidus var. douglasii G. E. Sindel 1935-1-7 113 Los Angeles 5 1/2 mi ese Quail Lake; Tejon Quad., Angeles National Forest Comment
  UCSB6683  Senecio flaccidus var. douglasii Kamb, Peter 1948-6-26 Los Angeles Tujunga Wash near Sunland 350 Comment
  CAS-BOT-BC341198  Senecio lyonii R. M. Beauchamp 1967-1-28 136 Los Angeles 1/2 mile south-east of Eel Point. San Clemente Island Comment
  CAS-BOT-BC341208  Senecio lyonii George B. Grant; Walter Wheeler 1904-4-21 1193 a/6134 Los Angeles Santa Catalina Island, Pacific Ocean, off southern California Comment
  OBI69239  Senecio lyonii John Knapp, Denise Knapp 2003-4-13 16 Los Angeles Catalina Island, 3688389.263nx377326.972E. 62 Comment
  UC1872968  Senecio lyonii John Knapp, Denise Knapp 2003-4-13 16 Los Angeles Catalina Island Comment
  UC205619  Senecio triangularis I. M. Johnston 1918-7-6 2088 Los Angeles Prairie Fork San Gabriel River, San Antonio Mountains Comment
  RSA562638  Senecio vulgaris D. Charlton 1992-4-17 s.n. Los Angeles Piute Ponds between Lancaster and Rosamond, Edwards AFB. Comment
  UCR130506  Senna artemisioides R. E. Riefner Jr. 2000-8-29 00- 763 Los Angeles Verdugo Hills, [Las Barras] 'La Tuna' Canyon, La Tuna Canyon Rd. at 210 Freeway exit 488 Comment
  UC7711  Sesuvium verrucosum Dr. A. Davidson 1891-1 Los Angeles Comment
  CAS-BOT-BC240113  Setaria Peter H. Raven; Henry J. Thompson 1959-10-31 14730 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Neilson Way near Marine Street, Santa Monica 30 Comment
  RSA577556  Setaria viridis L. C. Wheeler 1936-6-12 4147 Los Angeles Monroe Canyon, San Gabriel Mountains. 549 Comment
  UCR172292  Setaria viridis Anuja Parikh, Nathan Gale 2005-7-11 2138 Los Angeles Santa Clara River Valley, Newhall Ranch, N of the Santa Clara River, near Del Valle and the mouth of Chiquito Canyon, study area 29 274 Comment
  RSA190990  Silene gallica R. F. Thorne 1967-3-18 36730 Los Angeles Salta Verde, approx. N of Salta Verde Point, Santa Catalina Island. 244 Comment
  UCR71327  Silene gallica Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4436 Los Angeles Channel Islands, San Clemente Island: east side of island, Bryce Canyon near Malo Point Comment
  RSA0073122  Silene gallica Mark L. Hoefs 1995-5-16 2032 Los Angeles Santa Catalina Island: Big Springs Canyon, near road to Two Harbors. 104 Comment
  CAS-BOT-BC174912  Silene laciniata Le Roy Abrams 1899-4-1 224 Los Angeles Santa Monica Mts. Comment
  RSA549152  Silene laciniata subsp. major Timothy S. Ross, Peter Fritsch 1990-6-20 3672 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon. 1256 Comment
  RSA438864  Silene lemmonii George B. Grant 1906-6-15 1931 Los Angeles Summit of Mt. Wilson 1829 Comment
  CAS-BOT-BC175100  Silene verecunda Louis C. Wheeler 1968-6-14 s.n. Los Angeles San Gabriel Mountains: Spring on north side of Blue Ridge by Guffy Camp Comment
  RSA785939  Silybum marianum Doris Bowers 1972-7-7 1864 Los Angeles Palos Verdes Pen., field N/o Ridgecrest School Comment
  RSA752457  Sisymbrium officinale Justin M. Wood 2009-4-22 516 Los Angeles City of San Dimas, Sycamore Canyon, Falcon Ridge Ranch. 412 Comment
  SBBG31213  Sisymbrium orientale R. F. Thorne 1966-4-6 25896 Los Angeles beach at White's Landing 1 Comment
  UCR260376  Sisymbrium orientale R. G. Swinney 2010-6-21 13298 Los Angeles San Gabriel Mountains, 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
  SD90125  Sisymbrium orientale Mary H. Ward 1973-3-26 157 Los Angeles Manhattan Beach Comment
  SFV1518  Sisymbrium orientale L. Imamura 1958-5-2 s. n. Los Angeles San Fernando Valley West Zelzah northeast of Prairie. 305 Comment
  RSA366920  Sisyrinchium bellum Russell S. Woglum 1934-4-8 1280 -A Los Angeles Barker's Ranch, North Hollywood. Comment
  UC917905  Sisyrinchium minus Frank W. Gould 1944-4-15 2287 Los Angeles nw of Los Angeles Airport (Sepulveda Blvd.) Comment
  SBBG119079  Solanum americanum S. D. White with P. De Vries 2004-6-14 10483 a Los Angeles Lyon Cyn, W of Interstate 5, ca. 4 mi N of the I-5 jct with Hwy 14, ca. 6 mi S of Castaic Jct 396 Comment
  CAS-BOT-BC174996  Solanum douglasii A. C. Sanders 2003-3-14 25767 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 560 Comment
  RSA422374  Solanum douglasii F. R. Fosberg 1931-3-1 S- 4217 Los Angeles Topanga Canyon, 2.5 mi. below Wildwood, Santa Monica Mountains. 60 Comment
  UCR271543  Solanum douglasii R. G. Swinney 2011-11-3 15984 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon, 'First Water', 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre 622 Comment
  SD107809  Solanum douglasii Larry DeBuhr, Gary Wallace 1972-9-4 720 Los Angeles San Clemente Island, in seepage area below barracks at Wilson Cove Comment
  CATA3507  Solanum elaeagnifolium Julia Parish 2017-11-30 040 Los Angeles Santa Catalina Island: Avalon; Avalon Canyon Road, on golf course across from school before school crossing stop sign 22 Comment
  NY821412  Solanum nigrum B. Trask 02 1903 s.n. Los Angeles Avalon, Santa Catalina Island Comment
  RSA588965  Solanum umbelliferum Orlando Mistretta 1994-6-8 1346 Los Angeles San Gabriel Mountains: Little Rock Creek. un-named drainage draining N slope of Bare Mountain. 1616 Comment
  RSA596058  Solanum umbelliferum Tim S. Ross, J. Mark Porter 1995-5-4 8420 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  RSA517112  Solanum umbelliferum Tim S. Ross, Steve D. Boyd 1990-5-14 2467 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1049 Comment
  RSA532654  Solanum umbelliferum Tim S. Ross 1991-8-14 5774 Los Angeles Roundtop Mountain 1723 Comment
  LA51796  Solanum xanti A. M. Johnson; 1928-2-16 2779 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  NY820441  Solanum xanti T. S. Elias 1984-4-29 8332 Los Angeles Angeles National Forest: Glendora Ridge, near Baldy Camp; along Forest Service road above ridge road Comment
  RSA473610  Solidago californica George R. Johnstone 1927-10-30 s.n. Los Angeles Big Tujunga Canyon; mountain slope upper part of canyon. Comment
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Nov 13 2011
  RSA0077387  Solidago californica Orlando Mistretta 1992-7-13 s.n. Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  LA209948  Solidago spectabilis Arthur C. Gibson; Tarja Sagar 2005-9-25 5101 Los Angeles Comment
  CAS-BOT-BC365038  Solidago velutina subsp. californica Fordyce Grinnell, Jr. 1916-9-1 s.n. Los Angeles Eaton's Canon [Canyon], San Gabriel Mts. - near Pasadena Comment
  CAS-BOT-BC365994  Sonchus asper Wesley O. Griesel 1961-6-3 s.n. Los Angeles Devils Gate Dam, Pasadena 457 Comment
  RSA637502  Sonchus oleraceus Valerie L. Soza, LeRoy Gross 1999-5-10 451 Los Angeles San Gabriel Mountains: Foothills above Glendora, west of Colby Trail, at end of Loraine Avenue. 378 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
  UCR259927  Sonchus oleraceus R. G. Swinney 2010-4-1 12150 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  SD38305  Sonchus oleraceus Edith A. Purer 1932-3-24 Los Angeles El Segundo sand dunes. Comment
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Jul 10 2010
  RSA610984  Sorghum bicolor L. C. Wheeler 1942-11-30 5678 Los Angeles Near Kellogg Ranch, Arroyo Avenue, ca. 3 miles W of Pomona. Comment
  UCR213427  Spergula arvensis A. C. Sanders, Dan S. Cooper 2010-3-12 37327 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  SBBG131930  Spergularia bocconi S. A. Junak 2000-5-19 SCa 1326 Los Angeles W side of first ridge W of Twin Rocks, ca. 0.44 mi SE of Goat Harbor 286 Comment
  UCR86640  Spergularia bocconi T. S. Ross 1992-4-14 6176 Los Angeles Channel Islands, San Clemente Island: central east side of island 137 Comment
  UCR65521  Spergularia macrotheca Aaron Liston, Orlando Mistretta, L. Rieseberg 1989-4-28 797 1 Los Angeles Channel Islands, San Clemente Island, terrace above China Point, S end of island Comment
  RSA0098739  Spergularia macrotheca var. macrotheca Timothy S. Ross 1991-5-22 5443 Los Angeles San Clemente Island: Spray (Point), W side of island about 5300 feet N of Eel Point. 9 Comment
  CDA3440  Spergularia rubra Phillipson 1915-4-2 Los Angeles South Santa Anita. Comment
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Jan 17 2015
  CAS-BOT-BC235431  Sporobolus airoides John R. Hodgson 1928-7-1 264 Los Angeles Peace Valley Comment
  RSA506195  Sporobolus cryptandrus L. C. Wheeler 1966-10-22 9045 Los Angeles Grandad's Ranch, Aliso Canyon. Comment
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Nov 23 2015
  SEINET4044589  Stachys ajugoides D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 167 Comment
  RSA0024631  Stachys albens Duncan S. Bell, Caitlin Elam 2013-6-24 5285 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
  RSA0081387  Stachys albens R. G. Swinney 2010-8-26 13591 Los Angeles North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 720 Comment
  LA52373  Stachys bullata C. L. Hogue; 1954-3-30 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon, ca 3 mi. N of Sunset Blvd 274 Comment
  SEINET9297262  Stachys bullata Unknown 2009-4-16 10350 Los Angeles San Gabriel Mountains Comment
  UC535356  Stachys bullata Ira W. Clokey, B. Templeton May 1929 4460 Los Angeles Mandeville Canyon Santa Monica Mountains 350 Comment
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Jan 1 2012
  SD44967  Stanleya pinnata Darley F. Howe 1952-6-15 2227 Los Angeles Near Malibu Beach Comment
  LA200974  Stanleya pinnata var. pinnata Carl Wishner; 1987-5-19 1353 Los Angeles Santa Monica Mountains, Calabasas, 0.5 mi E of Las Virgenes Rd and Agoura Rd Comment
  LA200286  Stebbinsoseris heterocarpa A. M. Johnson; 1934-4-20 4437 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Behind tunnel, right side of road. Comment
  RSA762713  Stellaria media R. G. Swinney 2009-2-20 10033 Los Angeles mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel 177 Comment
  RSA616139  Stellaria nitens L. C. Wheeler 1967-5-18 9634 Los Angeles Angeles National Forest; Placerita Canyon. 518 Comment
  RSA0001590  Stephanomeria blairii E. G. Blair 1923-1 s.n. Los Angeles San Clemente Island. Comment
  POM6165  Stephanomeria cichoriacea C. F. Baker 1903-8-2 3656 Los Angeles San Antonio Canyon near Claremont. Comment
  RSA474194  Stephanomeria exigua subsp. coronaria G. J. Hollenberg 1928-7-10 s.n. Los Angeles Between del Rey and El Segundo Comment
  SBBG67897  Stephanomeria exigua subsp. exigua R. Hoffmann 1927-8-31 Los Angeles E side of divide, Mint Cyn Comment
  UCR189978  Stephanomeria virgata R. G. Swinney 1998-9-4 6911 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  SEINET256100  Stipa Mary E. Barkworth, LR Firestone 1982-8-26 4084 Los Angeles Angeles National Forest ; Campground on CA Hwy 2 2240 Comment
  UCR189748  Stipa R. G. Swinney 1998-7-10 6407 Los Angeles San Gabriel Mtns., SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2 2250 Comment
  UCR258935  Stipa c