Search Results — 2000 specimen records retrieved (1567 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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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR277099  Abies concolor R. G. Swinney 2010-9-23 13891 Los Angeles San Gabriel Mountains, summit of Middle Hawkins Peak on Hawkins Ridge 2593 Comment
  SBBG105344  Abronia maritima L. Sayre 1990-6-24 5 Los Angeles sandy area N of W end of airstrip 24 Comment
  SBBG38782  Abronia maritima R. Moran 1941-3-4 675 Los Angeles Little Harbor 5 Comment
  SD139533  Abronia umbellata Jon Rebman, Jonathan Dunn 1996-4-29 3105 Los Angeles San Clemente Island: Eel Cove and Eel Cove Canyon on west side of island 10 Comment
  UCR280671  Acamptopappus sphaerocephalus var. sphaerocephalus R. G. Swinney 2014-4-10 16039 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  POM2832  Acer macrophyllum D. L. Crawford 1909-5-20 s.n. Los Angeles Claremont. Comment
  POM293318  Acer macrophyllum Lyman D. Benson 1947-5-16 12402 Los Angeles Little Dalton Canyon, Glendora. San Gabriel Mountains. Drainage area Pacific slope. Chaparral. 366 Comment
  RSA623971  Acer macrophyllum Raymond J. Dobbs 1927-3-25 798 Los Angeles Switzer's, San Gabriel Mts. Comment
  RSA660516  Acer macrophyllum Lori Ackerman, Gerald Braden, Arthur Davenport 1988-5-4 23 Los Angeles North end of West Fork [San Gabriel] River, San Gabriel Mountains. Comment
  UCR219440  Acer macrophyllum R. G. Swinney 2009-3-28 10179 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon 427 Comment
  POM353048  Achnatherum coronatum L. E. Hoffman 1934-5-13 s.n. Los Angeles Millard's Canyon, Angeles National Forest. [San Gabriel Mountains.] Comment
  UC644644  Achnatherum coronatum G. L. Stebbins Jr. 1939-6-16 2863 Los Angeles 1 mi w Castaic 365 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
  UC1133072  Achnatherum occidentale subsp. californicum H. S. Yates 1937-6-24 6598 Los Angeles near Lake Arrowhead; Angeles National Forest, Redlands Quadrangle Comment
Read comments
Jan 5 2012
  UCD51168  Achnatherum occidentale subsp. pubescens A. A. Beetle 1942-6-25 3641 Los Angeles San Gabriel Mountains, Rt. 2, 2 miles north of Big Pine Camp. Comment
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Mar 25 2015
  UCSB30476  Achnatherum speciosum Jorgen, R. 1975-5-11 Los Angeles Intersection Ave U-8 and Pearblossom Hwy, 2.0 mi E of Littlerock on CA Hwy 138 975 Comment
  CAS-BOT-BC213459  Acmispon argophyllus var. argophyllus Timothy S. Ross; Steve Boyd; Peter Fritsch; Orlando Mistretta 1990-6-25 3813 Los Angeles Ridgetop to the SW of Crystal Lake, ridge descenting SSW from Mt. Islip, San Gabriel Mountains 1865 Comment
  UC80749  Acmispon argophyllus var. niveus T. S. Brandegee 1894-8-25 Los Angeles San Clemente Island. Comment
  CATA978  Acmispon dendroideus var. dendroideus Mark L. Hoefs 1994-5-21 1847 Los Angeles Santa Catalina Island: Southeast end of Renton Mine Road 262 Comment
  SEINET5327558  Acmispon dendroideus var. dendroideus G. B. Grant, Walter Wheeler 1904-4-21 710 -a Los Angeles collected on Santa Catalina Island, Pacific Ocean, off Southern California Comment
  RSA0126889  Acmispon strigosus Dan S. Cooper 2016-4-15 416 -30 Los Angeles Torrance, west of Crenshaw Blvd., south of 208th St., east of railroad. 21 Comment
  CATA335  Acourtia microcephala Mark L. Hoefs 1973-7-13 374 Los Angeles Santa Catalina Island: Middle Ranch Canyon just above reservoir, on north side of main road 236 Comment
  CAS-BOT-BC29721  Acroptilon repens Peter H. Raven; Henry J. Thompson 1959-10-31 14731 Los Angeles Santa Monica Mountains, Rose Avenue at Walgrove Avenue in Santa Monica 45 Comment
  LA34176  Adenostoma fasciculatum Peter H. Raven; Henry J. Thompson 1959-5-3 14080 Los Angeles SANTA MONICA MOUNTAINS, 0.6 mi E of Coldwater Canyon on Mulholland Drive. 365 Comment
  RSA731300  Adenostoma fasciculatum James W. Raymond 1960-03 s.n. Los Angeles Brand Park. Verdugo Hills. 762 Comment
  RSA188325  Adenostoma fasciculatum var. fasciculatum Robert F. Thorne, Percy C. Everett 1965-6-22 34899 Los Angeles Santa Catalina Island. Upper end of Avalon Canyon along road 183 Comment
  RSA650378  Adenostoma fasciculatum var. fasciculatum Rudolf Schmid 1962-6-2 s.n. Los Angeles Wash south of Campus Avenue, Upland. Comment
Read comments
Oct 1 2015
  RSA729753  Adiantum aleuticum R. G. Swinney 1999-7-28 7590 Los Angeles San Gabriel Mtns.: Clark Gulch, c. 75 m east of confluence with East Fork San Gabriel River Canyon. 991 Comment
  LA211895  Adiantum capillus-veneris Duncan Bell; Caitlin Elam 2013-6-24 5267 Los Angeles SAN GABRIEL MOUNTAINS, Sheep Mountain Wilderness, East Fork of the San Gabriel River, collecting in the Narrows, just south of the mouth of Iron Fork. 899.0 Comment
  RSA602471  Adiantum capillus-veneris Scott D. White 1997-5-8 5078 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below Morris Dam. 244 Comment
  POM296978  Adiantum jordanii Karen Hosterman 1957-4-8 966 Los Angeles Santa Catalina Island: Avalon; just E of Stables on road to Bird Park; E-W Canyon. Comment
  UCR204194  Adiantum jordanii Mark A. Elvin 1996-4-20 160 Los Angeles Channel Islands, San Clemente Island 355 Comment
  RSA0091778  Ageratina adenophora R. G. Swinney 2011-4-9 14386 Los Angeles NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  SD215384  Ageratina adenophora Louis Wheeler 1947-4-27 6470 Los Angeles Mountain Cave: 1 mile south of Monrovia Comment
  UCR192210  Agoseris heterophylla A. C. Sanders 2008-4-16 34903 Los Angeles Tehachapi Mtns. Foothills/ W Mojave Desert, west end of Antelope Valley, hills c. 1.25 mi. NE of Quail Lake, c. 0.7 mile north of Hwy 138 1000 Comment
  RSA416398  Agoseris heterophylla var. heterophylla Anstruther Davidson 1895-5-6 s.n. Los Angeles Antelope Valley. Crane's Lake. Comment
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Dec 1 2015
  UCR272607  Agoseris retrorsa R. G. Swinney 2011-6-7 15057 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 1585 Comment
  CAS-BOT-BC127585  Agropyron cristatum Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritschs 1990-6-22 3764 Los Angeles San Gabriel Mountains. Pinyon Ridge. Western half of the ridge, between upper Little Rock Creek and the San Andreas Rift Zone. 1950 Comment
  CAS-BOT-BC127235  Agrostis exarata H. E. Hasse 1892-6-1 s.n. Los Angeles Between Santa Monica and Los Angeles. Comment
  RSA384948  Agrostis pallens F. R. Fosberg 1931-5-14 S- 4869 Los Angeles Santa Catalina Island: Middle Ranch Canyon, above ranch. Comment
  RSA384949  Agrostis pallens C. Epling, A. N. Dunn 1931-5-30 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains. Comment
  SEINET3282791 Image available Agrostis stolonifera R. G. Swinney 2008-10-16 9585 Los Angeles San Gabriel Mtns.; Jackson Lake, south side of Big Pines Highway. 1872 Comment
  UCR136835  Agrostis viridis John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  UCR209632  Agrostis viridis R. G. Swinney 2008-12-2 9914 Los Angeles San Gabriel Mtns., mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east 177 Comment
  UCR227719  Agrostis viridis Orlando Mistretta, Christine Mistretta 2010-6-15 5304 Los Angeles San Gabriel Mountains, Upper Big Tujunga Canyon, Lynx Gulch, along Lynx Gulch Road, 0.68 road mi north of junction with Upper Big Tujunga Canyon Road 1045 Comment
  CAS-BOT-BC47984  Ailanthus altissima Timothy S. Ross; J. Mark Porter 1995-5-4 8505 Los Angeles Liebre Mountains - Texas Canyon at the confluence of Mystic Canyon: ca 3.05 road miles NE of Bouquet Canyon Road. 609 Comment
  RSA683189  Albizia julibrissin Scott D. White 2003-10-14 9830 Los Angeles Foothills above Sierra Madre; LA Dept. of Public Works Auburn debris basin, above the north terminus of Auburn Ave. (Mt. Wilson) 396 Comment
  RSA583050  Alchemilla occidentalis Tim S. Ross, Janet Takara, S. Otte 1993-4-25 6966 Los Angeles Santa Catalina Island: head of south fork Descanso Canyon. 177 Comment
  RSA367015  Allium W. Hutchinson 1924-4-1 s.n. Los Angeles Tehachapi Mountains. Comment
  SEINET3884727  Allium haematochiton Valerie Soza, Ian Gillespie; Leroy Gross 2000-5-18 941 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, SW of Johnstone Peak, aboe Wildwood Canyon.; 0 655 Comment
  UCR223160  Allium lacunosum var. davisiae R. G. Swinney 2009-5-27 10899 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  CAS-BOT-BC475407  Allium praecox E. R. Blakley 1962-6-10 5243 Los Angeles San Clemente Island. 1/4 mile up canyon from its mouth, canyon half way between Eel Point and Seal Cove. 45 Comment
  CLARK-A1528-3459  Allophyllum gilioides John C. Roos 1937-5-31 1541 Los Angeles San Gabriel Mountains Comment
  LA52306  Allophyllum glutinosum Carl Epling; L. Ellison 1929-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA733747  Allophyllum glutinosum R. G. Swinney 2000-5-20 7690 Los Angeles NE of Azusa, 0.8 mi. north of San Gabriel Dam, ridge east of Polecat Gulch north of Hwy 39. 2000 Comment
  UCR212836  Alnus rhombifolia Ellen Mackey, Blake Whittington 2006-10-26 NFWF- 1833 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River near Rincon Ranger Station [off Hwy 39] 451 Comment
  RSA630746  Amaranthus albus LeRoy Gross 1999-10-3 166 Los Angeles Southern base,San Gabriel Mountains: Big Tujunga Wash, east of 210 freeway, city of Sunland. 365 Comment
  UCR270236  Amaranthus albus R. G. Swinney 2011-6-30 15386 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA604692  Amaranthus albus L. C. Wheeler 1967-9-29 s.n. Los Angeles Ridge 1/2 mile WNW Pine Mountain. 1249 Comment
  SD41297  Amaranthus blitoides Edith A. Purer 1931-5-8 2050 Los Angeles Griffith Park, along walk Comment
  UCD97189  Amaranthus blitoides Ch. L. Batcheller 1929-8-4 s.n. Los Angeles 15 miles N.W. of Lancester. From Antelope Valley. Comment
  JEPS19649  Amaranthus deflexus Rimo Bacigalupi 1955-7-7 Los Angeles Santa Fe Railroad station, Pasadena Pasadena Comment
  SD80113  Amaranthus deflexus C. W. Tilforth 1969-7-23 211 Los Angeles Rancho Santa Ana Botanical Garden, Claremont Comment
Read comments
Mar 31 2008
  SBBG13279  Amblyopappus pusillus M. A. Piehl 1962-6-7 62357 Los Angeles China Pt, S of lighthouse 3 Comment
  IRVC24009  Ambrosia acanthicarpa Fred M. Roberts, Gordon A. Marsh 1985-10-16 2464 Los Angeles Long Beach: Los Angeles River Channel between Willow St. and Pacific Coast Hwy, 3-4.5km from ocean, along margin of channeled river course in early successional riparian habitat, sandy soil. southern coastal 5 Comment
  UCD128871  Ambrosia acanthicarpa Scott D. White 1997-11-5 6019 Los Angeles Malibu Coast; mouth of Trancas Canyon, north of Pacific Coast Hightway. 7 Comment
  UCR213376  Ambrosia acanthicarpa Dan S. Cooper 2010-3-20 20100320- 07 A Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  CAS-BOT-BC45004  Ambrosia confertiflora Louis C. Wheeler 1933-11-24 2276 Los Angeles Arcadia 152 Comment
  RSA279130  Ambrosia psilostachya R. F. Thorne, D. Propst, Mark Hoefs 1974-9-12 45101 Los Angeles Santa Catalina Island: near bridge over stream lower end of Cottonwood Canyon. 30 Comment
  UCR178164  Amorpha californica var. californica LeRoy Gross, Naomi Fraga, B. Hogshead, Aydee Virgen 2003-6-19 1110 Los Angeles Transverse Ranges; Verdugo Mountains, North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. Follow a ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge. Tributary is north of the 210 freeway. South of freeway tributary will drain into La Tuna Canyon. All survey was done north of the 210. 457 Comment
  SEINET10456366  Amsinckia eastwoodiae David B. Dunn 1941-3-22 Dunn 894 Los Angeles 3 mi N from Clear Creek Service Station; N side of Tehachepis-oak covered hills. Comment
  RSA0079987  Amsinckia intermedia A. C. Sanders, Helen Kennedy 2005-4-13 29441 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  RSA499946  Amsinckia intermedia F. H. Elmore 1939-11-23 s.n. Los Angeles Northwest Harbor, San Clemente Island. Comment
  UCR204897  Amsinckia intermedia R. G. Swinney 2008-4-1 8602 Los Angeles San Gabriel Mtns., ridge north of and adjacent to Sharps Canyon, c. 2 miles due N of Glendora 671 Comment
  RSA0079997  Amsinckia intermedia Doris Bowers 1957-3-23 266 Los Angeles Rocky Point, LaVerne. 335 Comment
  RSA213400  Amsinckia intermedia Reid V. Moran 1941-2-16 569 Los Angeles San Clemente Island. East side of Ravine, Middle Ranch. 500 Comment
  RSA499953  Amsinckia intermedia Grethe Moskedahl 1923-3-12 s.n. Los Angeles Los Angeles Comment
  RSA728776  Amsinckia tessellata var. gloriosa Gary D. Wallace 1979-4-19 1695 Los Angeles Near W end of Lancaster Rd. Comment
  UCR210243  Andropogon glomeratus var. scabriglumis R. G. Swinney 2008-10-22 9662 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon, 0.5 mi. upstream from entrance of Old San Gabriel Canyon Rd. at El Encanto 244 Comment
  UC1971399  Anemopsis californica Louis C. Wheeler 1946-8-27 6258 Los Angeles SAN GABRIEL MOUNTAINS: Sandrock Creek at Pear Blossom Highway, near confluence of Sandrock Creek and Big Rock Creek; 1/4 mile southeast of Big Rock Patrol Station. Comment
  UC1536758  Anisocoma acaulis G. H. True Jr. 1935-3-6 55 Los Angeles sandy s slope Lovejoy Butte 853 Comment
  UCR191745  Anisocoma acaulis A. C. Sanders 2008-4-18 34972 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, at lowest wash-crossing of road in canyon 1029 Comment
  UCR222783  Anisocoma acaulis R. G. Swinney 2009-4-28 10549 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UCSB8555  Anisocoma acaulis Haller, Norman 1953-4-18 Los Angeles 2 miles SE. of Gorman on Hwy. 138 1066 Comment
  SEINET11853899  Anisocoma acaulis H. M. Hall 1902-1 3075 Los Angeles Elizabeth Lake Comment
  RSA93639  Antennaria dimorpha F. W. Peirson 1921-6-15 2492 Los Angeles Pine Flats, headwaters of Tujunga 1677 Comment
  UCR189408  Anthriscus caucalis R. G. Swinney 1998-5-25 6152 Los Angeles San Gabriel Valley, Glendora, SE part of South Hills, c. 350 m SE of Fawn Valley Rd. 280 Comment
  UCR240239  Anthriscus caucalis Dan S. Cooper 2011-3-11 311- 41 Los Angeles San Gabriel Mountains Foothills, Monrovia Hills, 'Hidden Valley' north of Hidden Valley Ave. 258 Comment
  RSA646978  Anthriscus caucalis LeRoy Gross 2000-4-22 174 Los Angeles Verdugo Mountains: South on La Crescenta to Shirleyjean turn right to Camp Max Straus. City of Verdugo City. 396 Comment
  RSA646979  Anthriscus caucalis LeRoy Gross 2000-4-22 173 Los Angeles Verdugo Mountains: South on La Crescenta to Shirleyjean turn right to Camp Max Straus. City of Verdugo City. 518 Comment
  POM354839  Antirrhinum coulterianum N. C. Cooper 1949-6-29 4359 Los Angeles San Gabriel Canyon. 457 Comment
  RSA226924  Antirrhinum coulterianum Robert F. Thorne, C. W. Tilforth 1971-6-17 39959 Los Angeles 2 mi up Lower Tujunga Rd. from Forestry Headquarters 457 Comment
  UCR114185  Antirrhinum multiflorum A. C. Sanders, D. Malueg 1998-6-24 22056 Los Angeles San Gabriel Mtns., CCC Ridge, off Hwy 2 just north of Pasadena city limits, So. Cal. Edison Mesa-Vincent transmission line at tower 16-2 823 Comment
  SBBG113055  Aphanes occidentalis S. A. Junak with K. Kirkland 1998-4-30 SCa 583 Los Angeles N side of ridge on N side of Hamilton Cyn 243 Comment
  UC859112  Aphanes occidentalis F. R. Fosberg 1931-3-24 S 4341 Los Angeles Hamilton Canyon; Santa Catalina Island 75 Comment
  SBBG112778  Apiastrum angustifolium S. A. Junak with M. L. Hoefs, K. Kirkland 1998-4-4 SCa 517 Los Angeles Little Ripper's Cyn, just inland from beach 9 Comment
  POM277127  Apiastrum angustifolium E. S. Steele, H. S. Pratt 1935-5-16 s.n. Los Angeles West hills of Eagle Rock 457 Comment
  POM156719  Apocynum cannabinum L. R. Abrams 1902-7-12 2709 Los Angeles Coldwater Canyon, San Antonio Mountains Comment
  UCR271856  Aquilegia formosa R. G. Swinney 2011-6-23 15311 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
  UCR277176  Aquilegia formosa R. G. Swinney 2010-9-30 13948 Los Angeles San Gabriel Mountains, 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon 2341 Comment
  CDA24649  Arabis glabra var. furcatipilis T. C. Fuller, T. Suzuki 1958-5-5 Los Angeles Highland Drive, Flintridge. 0 Comment
  UCR272843  Arabis platysperma R. G. Swinney 2011-8-5 15615 Los Angeles San Gabriel Mountains, summit of Mount Hawkins, high point of Copter Ridge, 0.6 miles SSE of Hwy. 2/Angeles Crest Hwy 2698 Comment
  RSA659844  Arabis platysperma var. platysperma Orlando Mistretta 1991-7-30 s.n. Los Angeles Mt. Baldy 2439 Comment
  UCR190348  Arabis pulchra R. G. Swinney 2001-4-18 7900 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  UCR272856  Arabis repanda R. G. Swinney 2011-7-29 15559 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  UCR153420  Arabis repanda var. repanda L. C. Wheeler 1967-9-4 10656 Los Angeles Transverse Ranges; San Gabriel Mtns, Pine Mountain Ridge 2241 Comment
  UCR201826  Aralia californica Scott D. White, Justin M. Wood 2008-10-7 12549 Los Angeles San Gabriel Mountains, west fork of the San Gabriel River, between Bear Creek and Rincon Red Box Road 220 Comment
  UC420599  Aralia californica D. L. Crawford 1915-6-30 562 Los Angeles canyons above Claremont Comment
  SEINET6419849 Image available Araucaria excelsa Charles Sinclair 1961-6-1 s.n. Los Angeles near Los Angeles 61 Comment
  UCR259648  Arbutus menziesii R. G. Swinney 2010-8-16 13566 Los Angeles San Gabriel Mountains, c. 1.0 mile NW of Chantry Flats on north side of Winter Creek Trail 768 Comment
  CAS-BOT-BC23855  Arctostaphylos catalinae Robert F. Thorne; P. C. Everett 1964-2-7 33491 Los Angeles Santa Catalina Island, ridge S of Bulrush Canyon. 396 Comment
  SBBG37682  Arctostaphylos catalinae R. Moran 1941-2-28 651 Los Angeles head of Johnson's Cyn 400 Comment
Read comments
Mar 14 2012
  RSA0034714  Arctostaphylos catalinae Meryl B. Dunkle 1928-12-27 2037 Los Angeles Hay Press, Santa Catalina Island. Comment
  RSA626807  Arctostaphylos glandulosa Jon E. Keeley 1992-10-15 22099 Los Angeles S-facing slopes at end of Hwy 39, NW of Crystal Lk. 1720 Comment
  RSA626803  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1992-10-15 22104 Los Angeles S-facing slopes at end of Hwy 39, NW of Crystal Lk. 1720 Comment
  RSA721290  Arctostaphylos glandulosa subsp. cushingiana R. G. Swinney 1998-3-14 5904 Los Angeles Potato Mtn. NW of Upland 1043 Comment
  CAS-BOT-BC23064  Arctostaphylos glandulosa subsp. mollis Timothy S. Ross; Steve Boyd 1992-7-5 6619 Los Angeles Liebre Mountains, Red Mountain: Warm Springs Mountain 7.5' USGS quadrangle 1217 Comment
  CAS-BOT-BC39305  Arctostaphylos glauca C. F. Baker 1904-2-15 4013 Los Angeles San Antonia Canyon, Claremont Comment
  CAS-BOT-BC39338  Arctostaphylos glauca W. R. Dudley; F. H. Lamb 1896-6-7 4345 Los Angeles Liebre Mountains, Kings Canyon Comment
  POM3284  Arctostaphylos glauca L. R. Abrams 1901-4-8 s.n. Los Angeles Pasadena Comment
  RSA631521  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15654 Los Angeles Angeles Forest Highway, 1 km north of Big Tujunga Canyon turnoff. 1050 Comment
  HSC12675  Arctostaphylos mewukka Wendell Wood 1970-6-24 51 Los Angeles Switzer's Camp, Angeles Crest Hwy., 9 mi. beyond intersection with Foothill Blvd. 915 Comment
  RSA139612  Arctostaphylos parryana A. E. Wieslander 1938-10-23 816 Los Angeles near head of Swarthout Valley 1982 Comment
  RSA634361  Arctostaphylos parryana subsp. parryana Jon E. Keeley, Allen Massihi 1992-8-21 20620 Los Angeles Angeles Crest Highway, 1.7 km north of Sulphur Springs Road, San Gabriel Mountains. 1890 Comment
  RSA635072  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20367 Los Angeles Road to Mt. Gleason, 13.7 km west of Mill Creek Summit, San Gabriel Mtns. 1805 Comment
  UCR209447  Arenaria macradenia R. G. Swinney 2008-10-7 9490 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  SD42002  Arenaria macradenia Darley F. Howe 1947-5-4 Los Angeles East of Mint Canyon. Comment
  RSA729746  Arenaria macradenia var. arcuifolia R. G. Swinney 1998-7-2 6266 Los Angeles San Gabriel Mtns.: north of Table Mountain, Wrightwood area, 1.6 mi. north of junction of roads 4N21B, 4N21A, and 4N21 on ridge north of end of 4N21. 1963 Comment
  LA200156  Artemisia californica Michael Neuman; November 1983 10 Los Angeles Santa Monica Mountains, Hollyhock Canyon, tributary to Mandeville Canyon Comment
  LA32097  Artemisia californica Peter H. Raven; 1959-2-15 13782 Los Angeles Santa Monica Mountains, Brown Canyon, 2.6 mi N of Sunset Blvd on Beverly Glen Blvd 213 Comment
  RSA417241  Artemisia californica Louis Greata 1900-9-2 s.n. Los Angeles Near Inglewood. Comment
  UCR256861  Artemisia douglasiana R. G. Swinney 2010-8-16 13542 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  CAS-BOT-BC90334  Artemisia douglasiana Grant 1902-8-11 5042 Los Angeles Elysian Peak, Los Angeles Comment
  RSA188485  Artemisia douglasiana R. F. Thorne, John Olmsted 1965-8-26 35398 Los Angeles Angeles National Forest, thickety area near Prairie Fork 1616 Comment
  UC284246  Artemisia ludoviciana subsp. incompta P. A. Munz 1923-9-1 7711 Los Angeles narrow n facing canyon at old sawmill; San Gabriel Mts., Swartout Valley 2042 Comment
  SBBG13278  Artemisia nesiotica M. A. Piehl 1962-6-9 63255 Los Angeles China Pt, S of lighthouse 3 Comment
  UC892543  Artemisia tridentata B. D. Stark 1933-1-24 4525 Los Angeles 1 mi nw Newhall Comment
  CAS-BOT-BC97278  Artemisia tridentata subsp. parishii Philip A. Munz 1923-11-11 7802 Los Angeles Newhall Comment
  RSA417386  Artemisia tridentata subsp. parishii L. E. Hoffman 1926-3-18 s.n. Los Angeles Arroyo Seco Comment
  UC1119511  Artemisia tridentata subsp. tridentata A. D. Gifford 1935-3-26 298 Los Angeles 2 mi ene Sawmill Peak; Tejon Quadrangle Comment
  UCR240025  Artemisia tridentata var. parishii 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
  RSA177676  Arthrocnemum subterminale R. F. Thorne, Percy C. Everett 1965-5-11 s.n. Los Angeles Santa Catalina Island, Little Harbor. 2 Comment
  UCR124575  Asclepias californica B. C. Templeton 1932-6-19 4920 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2195 Comment
  POM18074  Asclepias californica P. A. Munz 1923-5-26 6852 Los Angeles San Gabriel Mts., Hunt Canyon 3 mi E of Vincent 2012 Comment
  RSA785817  Asclepias fascicularis K. Dobry 1990-3-25 229 Los Angeles Simi Hills at Dayton Canyon Comment
  RSA401244  Asclepias fascicularis M. Bisbee 1917-8-30 s.n. Los Angeles Fields, Eagle Rock Comment
  SFV2811  Asclepias fascicularis R. L. Armacost 1934-5-29 142 dup. Los Angeles Santa Monica Mountains Near Trippet Ranch. 335 Comment
  CATA1815  Aspidotis californica Benjamin E. Carter 2012-8-23 7003 Los Angeles Santa Catalina Island: West End Road west of Emerald Bay 81 Comment
  POM8494  Aspidotis californica P. A. Munz, R. D. Harwood 1920-4-21 3713 Los Angeles San Dimas Canyon; South face of San Gabriel Mts 457 Comment
  RSA0040540  Aspidotis californica Orlando Mistretta 1990-4-15 s.n. Los Angeles Fish Canyon, tributary to the San Gabriel River 336 Comment
  SEINET11851718  Aster subulatus var. ligulatus J. F. Bright, Wyman, C. 1931-1 5730 Los Angeles Hollywood Comment
  RSA0033875  Astragalus John F. Emmel 1997-4-28 1465 Los Angeles Sierra Pelona; along USFS Road 6N07, 0.8 road mile ENE of junction with Road 6N08. 1389 Comment
  RSA670635  Astragalus bicristatus B. C. Templeton 1932-5-31 4854 Los Angeles West Blue Ridge, Big Pines Camp. Comment
  UCR205298  Astragalus bicristatus Valerie Soza, Naomi Fraga 2003-6-13 1670 Los Angeles San Gabriel Mountains, Blue Ridge just west of Guffy Camp, on ridgetop and slopes above FS Road 3N06 2530 Comment
  JEPS54633  Astragalus didymocarpus var. didymocarpus J. B. Davy May 9 1896-May 24 1896 2629 Los Angeles Cienga in Leonis Valley (western Mohave Desert); , Cienega in Leonis Valley Comment
  RSA0069324  Astragalus didymocarpus var. dispermus Dean Wm. Taylor 2003-3-26 18474 Los Angeles Vincent, ca. 1.5 air mile NW of Vincent electrical substation (along steel-tower electrical transmission line corridor); Soledad Pass Vicinity. 975 Comment
  UCR280516  Astragalus gambelianus R. G. Swinney 2014-5-13 16501 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
  POM2582  Astragalus gambelianus W. R. Shaw 1900-4-8 31 Los Angeles Claremont. Comment
  RSA612285  Astragalus gambelianus L. C. Wheeler 1934-5-14 2589 Los Angeles Mouth San Dimas Canyon, San Gabriel Mountains. 442 Comment
  RSA534126  Astragalus miguelensis T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5083 Los Angeles San Clemente Island: west Cove, SW of the new landing field 6 Comment
  RSA659816  Astragalus miguelensis Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-4 111 Los Angeles San Clemente Island. Comment
  UC1215130  Astragalus nevinii Peter H. Raven 1962-5-8 17624 Los Angeles opposite Wilson Cove (near western shore San Clemente Island); , opposite Wilson Cove 45 Comment
  RSA18874  Astragalus preussii var. laxiflorus Marcus E. Jones 1937-1 s.n. Los Angeles [Antelope Valley. Dr. A.Davidson] Comment
  UCR98399  Astragalus purshii var. lectulus R. G. Swinney 1996-5-27 4746 Los Angeles Eastern San Gabriel Mtns., NW of Wrightwood, c. 200 m north of Hwy. 2 at Mountain High Ski Resort, east runway 2088 Comment
  CAS-BOT-BC193025  Astragalus purshii var. tinctus Ernest C. Twisselmann 1962-4-18 6971 Los Angeles Oso Canyon, ca. 1 mile above Oso Corral 1036 Comment
  LA200432  Astragalus trichopodus var. lonchus M. Baldwin; Harvey Anderson, L. Ellison 1930-3-7 sn Los Angeles Comment
  SD240970  Atriplex Jeremiah George, Audrey George 2012-1-1 Los Angeles South Coast: Palos Verdes Estates, Malaga Cove immediately SW of the Palos Verdes Beach and Athletic Club (Redondo Beach 7.5'Q) 4 Comment
  UCR41092  Atriplex argentea subsp. expansa F. C. Boutin 1967-4-23 1622 Los Angeles San Clemente Island, N end of island. Shallow gully between NW Harbor and airstrip 43 Comment
  UC1234796  Atriplex argentea var. mohavensis Peter H. Raven 1962-7-11 17998 Los Angeles just s old airstrip (San Clemente Island); San Clemente Island Comment
  RSA35997  Atriplex californica R. F. Thorne 1966-4-15 35997 Los Angeles San Clemente Island: 2/3 mile SSE of Eel Point (and N of Seal Cove). 76 Comment
  SD69680  Atriplex coulteri Robert F. Thorne, P. Everett 1965-6-23 34980 Los Angeles Santa Catalina Island; dry roadside at Hay Press Reservoir. 409 Comment
  RSA743657  Atriplex glauca R. E. Riefner Jr. 2006-1-21 6 -11 Los Angeles Port of Los Angeles, City of San Pedro, Cabrillo Beach along Via Cabrillo Marina Rd. near Shoshonean Rd. 10 Comment
  RSA587181  Atriplex lentiformis Scott D. White 1995-12-5 3759 Los Angeles Marina Del Rey area; State Rt. 90 median strip between Culver Bl. and Mindanao Way 5 Comment
  UCR187355  Atriplex lentiformis subsp. lentiformis R. E. Riefner Jr. 2006-7-29 06- 328 Los Angeles South Coast, Torrance, Victoria Park, Dominguez Channel, vicinity of Del Amo Blvd. and Carson Plaza Dr 9 Comment
  POM156345  Atriplex leucophylla L. R. Abrams 1902-6-9 2491 Los Angeles Playa Del Rey Comment
  SDSU5533  Atriplex leucophylla R. M. Beauchamp 1967-6-2 546 Los Angeles San Clemente Island. Comment
  UC284146  Atriplex leucophylla P. A. Munz 1923-4-11 6765 Los Angeles bluffs w coast San Clemente Island; w coast San Clemente Island Comment
  CAS-BOT-BC176526  Atriplex polycarpa Le Roy Abrams; E. A. McGregor 1908-6-30 511 Los Angeles Lancaster, Antelope Valley Comment
  UCD97647  Atriplex prostrata Scott D. White 1997-11-5 6013 Los Angeles Malibu Coast, mouth of Trancas Canyon, north of Pacific Coast Hwy. 7 Comment
  CHSC62044  Atriplex semibaccata L. P. Janeway 1993-10-5 4613 Los Angeles Puente Hills; ridgetop between the heads of Arroyo San Miguel and Arroyo Pescadero. 281 Comment
  RSA233618  Atriplex semibaccata R. F. Thorne 1970-3-6 s.n. Los Angeles Santa Catalina Island: Indian Rock in Emerald Bay 15 Comment
  LA105584  Atriplex semibaccata Barry A. Prigge; 1989-5-10 8709 Los Angeles Santa Monica Mountains, Point Dume, above Dume Cove 45 Comment
  SD51872  Atriplex semibaccata Peter H. Raven 1962-7-11 17999 Los Angeles San Clemente Island; just south of the old airstrip. Comment
  UCR125122  Atriplex suberecta A. C. Sanders, Mark Elvin 2002-6-18 25113 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, farm area in valley along a wash, 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park 328 Comment
  UCR213547  Atriplex suberecta Michael Honer 2003-7-8 1846 A Los Angeles Transverse Range, Liebre Mountains, Tapia Canyon area, c. 2-3 air miles west of I-5 Freeway junction with Ridge Route Rd. 549 Comment
  SD53022  Atriplex watsonii Peter H. Raven 1962-7-10 17949 Los Angeles San Clemente Island, near west shore due west of Wall 2. Comment
  RSA661075  Avena barbata Orlando Mistretta 1992-4-5 183 Los Angeles Guds, San Clemente Island. Comment
  SFV21005  Avena barbata L. Gross 2003-3-9 787 Los Angeles San Rafael Hills Southwest side of San Rafael Hills, at or near top of east-west trending ridge southwest of Flint Peak. Entered at west end at Mount Carmel Drive east of Highway 2 (Glendale Freeway) between Chevy Chase Drive (Sycamore Canyon) to the north and Glenoak Blvd. (Scholl Canyon) to the south. 357 Comment
  RSA385385  Avena fatua Howard Mullins 1931-3-13 s.n. Los Angeles L.A. [Los Angeles] Vacant Lots and waste places in the city, roadsides Comment
  LA105576  Avena fatua Barry A. Prigge; 1989-5-10 8698 Los Angeles SANTA MONICA MOUNTAINS, Point Dume, above Dume Cove. 38 Comment
  IRVC4809  Baccharis glutinosa Carl Epling, Lincoln Ellison 1929-4-27 Los Angeles Topango [sic] Canyon. Santa Monica Mountains Comment
  RSA1230  Baccharis pilularis Knopf, E. R. Johnson 1930-2-1 1466 Los Angeles Near Little Harbor, Catalina Island 30 Comment
  UC1595287  Baccharis pilularis Tim Ross 1991-3-10 4221 Los Angeles e side of, (Bernard Field Stn, near Phake Lake, marked as Pit on topo map) RSA; Claremont, Phake Lake 391 Comment
  CAS-BOT-BC106759  Baccharis salicifolia Elmer I. Applegate 1931-11-2 6828 Los Angeles San Fernando Valley Comment
  UCR198328  Baccharis salicifolia Gary Kovnat, LeRoy Gross 2003-1-19 04 Los Angeles Transverse Ranges; San Gabriel Mountains region, Angeles National Forest, Gold Creek Ecological Preserve, south terrace east meadow gully Comment
  UCSB6385  Baccharis salicifolia McElwain, Isabelle 1953-3-29 Los Angeles 1/4 mi. N. at 18000 Bull Canyon Rd., Granada Hills 457 Comment
  UC440453  Baccharis salicifolia subsp. salicifolia Carl Epling and Lincoln Ellison 1929-4-2 Los Angeles Topanga Canyon, Santa Monica Mountains Santa Monica Mountains, Topanga Canyon Comment
  UCR187227  Balsamorhiza deltoidea A. C. Sanders 2006-4-21 32128 Los Angeles Tehachapi Mtns. Foothills, hills c. 1.25 miles ENE of Quail Lake, east of the Cement Plant Rd. and Calif. Aqueduct, north of Hwy 138 1006 Comment
  UC1215127  Bassia hyssopifolia Peter H. Raven 1962-7-12 18033 Los Angeles San Clemente Island Northwest Harbor; , Northwest Harbor 9 Comment
  JEPS52980  Berberis aquifolium var. dictyota Frank W. Peirson 1919-5-6 54 Los Angeles Eaton Canyon; San Gabriel Mts 609 Comment
  UC159222  Bergia texana Theodore W. Minthorn 1910-10-22 8 Los Angeles 5 miles East of Los Angeles Comment
  UCR150354A  Bidens pilosa Scott D. White 2003-10-14 9829 Los Angeles San Gabriel Mtns, foothills above Sierra Madres. Los Angeles Dept. of Public Works 'Auburn' debris basin, above the north terminus of Auburn Avenue 396 Comment
  UC2026458  Bidens pilosa var. pilosa Louis C. Wheeler 1966-10-25 9074 Los Angeles SAN GABRIEL MOUNTAINS: E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  CATA651  Bloomeria crocea Mark L. Hoefs 1991-4-18 1125 Los Angeles Santa Catalina Island: By road above Parson's Landing 129 Comment
  RSA3521  Bloomeria crocea var. crocea Carl B. Wolf 1932-5-9 3464 Los Angeles At junction of Skyline Drive and Pebbly Beach Road. Santa Catalina Island 30 Comment
  RSA601555  Bloomeria crocea var. crocea L. C. Wheeler 1967-6-15 9829 Los Angeles San Gabriel Mountains: North slope foothills between Bouquet Junction and Bonelli Ranch. 373 Comment
  SFV15330  Boechera arcuata J. C. Dittes, D. Stolp 1990-3-10 42 Los Angeles San Gabriel Mountains 1.5 miles upstream of Big Tujunga flood control reservoir. 732 Comment
  SFV16115  Boechera arcuata J. M. Kneitel 1995-4-9 20 Los Angeles San Gabriel Mountains 75 m off of Angeles Forest Highway, 0.5 miles north of junction with Angeles Crest Highway. 950 Comment
  RSA611105  Boechera californica L. C. Wheeler 1970-6-28 s.n. Los Angeles Little Fish Fork, Fish Fork Camp 2011 Comment
  SBBG47090  Boechera pulchra K. K. Muller 1972-5-2 3076 Los Angeles Red Rover Mine turnoff from St Hwy 14 between Los Angeles and Palmdale Comment
  CAS-BOT-BC14721  Boechera repanda I. Johnston 1917-7-3 1464 Los Angeles Upper San Antonio Canyon. 2286 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
  CAS-BOT-BC75496  Bolboschoenus maritimus subsp. paludosus Timothy S. Ross; Steve Boyd 1994-9-21 8333 Los Angeles Liebre Mountains. Cow Spring Pond. Sag pond on the San Andreas Fault Zone at the north foot of Liebre Mountains. 1155 Comment
  UCR229214  Bolboschoenus maritimus subsp. paludosus R. G. Swinney 2005-8-3 8358 Los Angeles San Gabriel Mountains, Glendora, Big Dalton Canyon Debris Basin 341 Comment
  POM1034  Bothriochloa barbinodis Le Roy Abrams 1903-3-11 3110 Los Angeles Sepulveda Canyon, Santa Monica Mountains. Comment
  CAS-BOT-BC145600  Bothriochloa laguroides subsp. torreyana S. B. Parish 1891-1-1 s.n. Los Angeles Near Los Angeles. Comment
  SBBG47533  Bowlesia incana M. B. Dunkle 1949-9-23 2085 Los Angeles White's Landing Comment
  CAS-BOT-BC420340  Boykinia rotundifolia Peter H. Raven 1961-10-1 16779 Los Angeles San Gabriel Mountains, upper Evey Canyon 914 Comment
  RSA702818  Boykinia rotundifolia Scott D. White 2004-8-20 10724 Los Angeles San Gabriel Mountains: Upper Big Tujunga Canyon. West of Upper Big Tujunga Cyn Rd, ca. 2 air miles N of jtn w/ Angeles Crest Hwy. 1067 Comment
  UCR194302  Boykinia rotundifolia R. G. Swinney 1998-8-5 6667 Los Angeles San Gabriel Mtns., Fish Fork of San Gabriel River, c. 200 m east of confluence with East Fork 1037 Comment
  UCR265537  Brachypodium distachyon Dan S. Cooper 2015-3-22 315- 28 Los Angeles Los Angeles Basin/Western Transverse Range, Griffith Park, Los Angeles, north end of Commonwealth Ave. along dirt service road at northern edge of Commonwealth Nursery 250 Comment
  RSA741020  Brassica fruticulosa Justin M. Wood, Brandy Wood 2009-1-2 270 Los Angeles Evey Canyon, trail to Potato Mtn. 683 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
  POM158297  Brickellia californica M. B. Dunkle 1928-3-11 1729 Los Angeles Santa Catalina Island: near falls Grand canyon 183 Comment
  RSA754202  Brickellia californica Ellen Mackey, Blake Whittiington 2006-10-11 NFWF- 1813 Los Angeles San Gabriel River Watershed; next to reservoir. 463 Comment
  SD251183  Brickellia californica Jane Tirrell 2012-8-31 LSO 168 Los Angeles Transverse Ranges: San Gabriel Mountains region: South side of California State Rote 2, on bank of culvert draining Big Rock Creek, ca. 1.5 mile west of Dawson Saddle. 2309 Comment
  LA203140  Brickellia nevinii Geo. L. Moxley; 1917-9-3 627 Los Angeles San Gabriel Mountains, Eaton Canyon 750.0 Comment
  UC1929741  Brodiaea filifolia V. Soza, LeRoy Gross 2001-5-22 1242 Los Angeles Transverse Ranges; San Gabriel Mountains region; Morgan Fire 2000 area, between Morgan and Wildwood Canyons, just below Ferguson Motorway (less than 100 feet below). 473 Comment
  UCR216376  Brodiaea terrestris subsp. kernensis Dan S. Cooper 2010-5-10 510- 48 A Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Forest Lawn Cemetery, Burbank, lower Royce Canyon, near Griffith Park 210 Comment
  RSA717302  Bromus arenarius Scott D. White, Pam DeVries 2006-5-9 11408 Los Angeles Gorman area, valley & slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  UC188874  Bromus arizonicus Geo. B. Grant Apr. 1902 4093 Los Angeles Altadena; Southern California, Altadena Comment
  RSA0101378  Bromus carinatus Scott D. White 1998-6-4 6650 Los Angeles Castaic Lake Area: Grasshopper Cyn. watershed, between 1-5Fwy./Old Ridge Route and the Lake. Proposed North Lake Planned Community. 427 Comment
  RSA574275  Bromus carinatus var. carinatus Timothy S. Ross, Walter Appleby 1993-5-19 7173 Los Angeles Western San Gabriel Mountains: Long SSE-trending ridge S of Wilson Canyon Saddle. 948 Comment
  CATA1058  Bromus diandrus Mark L. Hoefs 1995-5-10 1991 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail, above #7 tee of golf course 97 Comment
  POM353049  Bromus diandrus L. E. Hoffman 1934-5-13 s.n. Los Angeles Millard's Canyon, Angeles National Forest. [San Gabriel Mountains.] Comment
  RSA591905  Bromus diandrus L. C. Wheeler 1967-5-8 9311 Los Angeles Liebre Mountains. Foothills northeast of Saugus. 381 Comment
  CAS-BOT-BC155587  Bromus grandis Marcus E. Jones 1926-5-7 s.n. Los Angeles Claremont. Comment
  SD181773  Bromus grandis LeRoy Gross, Valerie Soza 2001-6-6 430 Los Angeles LA Basin region, Verdugo Mtns, N side, Hostetter Mtn Way, off of La Tuna Cyn Rd; Burbank [quad]. Near a seep along dirt fire road, on N-facing slope. Above the seep on a steep dry cliff & slope that appears to have moisture creep. 671 Comment
  RSA0116899  Bromus grandis Lyman Benson 1945-5-11 11700 Los Angeles Canyon below Johnson's Pasture, Claremont. Mt. Range: San Gabriel. 548 Comment
  POM363840  Bromus hordeaceus F. R. Fosberg 1931-4-3 S- 4462 Los Angeles Pebble [Pebbly] Beach. Santa Catalina Island. 2 Comment
  POM363868  Bromus hordeaceus H. L. Bauer 1929-3-20 sn. Los Angeles Long Beach. Comment
  POM363869  Bromus hordeaceus Caroline Shryock, Glenn Shryock 1924-5-15 s.n. Los Angeles Los Angeles. Comment
  RSA0105486  Bromus hordeaceus R. G. Swinney 2011-3-18 14148 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail. 366 Comment
  RSA717194  Bromus hordeaceus Gary Kovnat, LeRoy Gross 2003-2-16 31 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. 683 Comment
  SD90602  Bromus hordeaceus Robert F. Thorne 1966-4-16 36064 Los Angeles San Clemente Island; NE side of island; S of Nanny; on steep slope of canyon below Lemon Tank near dump 182 Comment
  POM364030  Bromus hordeaceus subsp. molliformis C. Epling 1931-04 s.nn. Los Angeles Santa Monica Mountains. Los Alisos Canyon. Comment
  RSA0113726  Bromus madritensis Steven A. Junak 1999-5-20 SCa- 944 Los Angeles Santa Catalina Island. Just S of Cottonwood-Black Jack Road. 305 Comment
  RSA158203  Bromus rubens P. H. Raven 1962-5-9 17698 Los Angeles Floor of canyon just north of Gray, San Clemente Island 305 Comment
  RSA573554  Bromus rubens Timothy S. Ross 1992-5-8 6289 Los Angeles San Gabriel Mountains: San Antonio Canyon; N side of Hog Back. 1177 Comment
  RSA656475  Bromus rubens Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 691 Los Angeles Verdugo Mountains, north side: Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park., Area burned in August 1999. 594 Comment
  SBBG56623  Bromus rubens R. Hoffmann 1927-8-31 Los Angeles Palmdale Comment
  UCD59562  Bromus rubens Kenneth A. Wilson 1961-4-26 1155 Los Angeles Soledad Canyon. Small burnt over canyon adjacent to Bee Canyon, north of River's End Ranch. Comment
  SBBG56627  Bromus secalinus M. N. Ackley -Apr-1929 Los Angeles Hyde Park 47 Comment
  UC1131301  Bromus tectorum A. D. Gifford 1935-4-26 633 Los Angeles 4 mi w of Manzana 975 Comment
  LA200783  Calandrinia breweri Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  LA82412  Calandrinia breweri O. H. Kappler; 1944-4-23 591 Los Angeles SANTA MONICA MOUNTAINS, Cold Creek, Monte Nido, N slope near fire station. 304 Comment
  UCR126594  Calandrinia ciliata A. C. Sanders 2003-4-16 26022 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
  RSA232801  Calandrinia ciliata R. F. Thorne 1966-4-16 36072 a Los Angeles San Clemente Island, canyon below Lemon Tank, near dump, south of Nanny, northeast side of island. 183 Comment
  SD214616  Calandrinia ciliata Darley F. Howe Mar 1915 30 Los Angeles Claremont Comment
  UCR61034  Calendula officinalis R. G. Swinney 1989-8-25 s.n. Los Angeles San Gabriel Mtns., Glendora, base of the San Gabriel Mountains, c. 100 meters n. of Blue-bird Truck Rd., c. 200 meters w. of San Dimas Expt. For. boundary, s. of Big Dalton Cyn. Wilderness Park 795 Comment
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Mar 7 2013
  UCR214620  Callitriche A. C. Sanders, Dan S. Cooper 2010-3-12 37361 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  CAS-BOT-BC80410  Calocedrus decurrens Geo. B. Grant 1904-5-18 6232 Los Angeles Summit Mt. Wilson 1828 Comment
  RSA0091506  Calocedrus decurrens R. G. Swinney 2011-10-10 15769 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
  RSA607017  Calochortus albus Leota Brice 1880-4-28 s.n. Los Angeles San Fernando Comment
  RSA640807  Calochortus catalinae Louis C. Wheeler 1931-4-10 s.n. Los Angeles Pomona: Ganesha Heights. Comment
  RSA0121223  Calochortus catalinae Le Roy Abrams 1903-3-14 3143 Los Angeles San Pedro Hills [now Palos Verdes Hills] near Redondo Comment
  LA22347  Calochortus clavatus Carl Epling; 1926-5-8 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA712181  Calochortus clavatus A. C. Sanders 2005-5-5 29943 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, west edge of Cruzan Mesa, north of Bench Mark Plum. 671 Comment
  RSA0050039  Calochortus clavatus Wendy Boes, Kevin McCrummen 2009-5-25 2009 -015 Los Angeles Western Transverse Ranges; Sierra Pelona Ridge off Forest Rd. 6N07 1341 Comment
  RSA229095  Calochortus invenustus Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38903 Los Angeles San Gabriel Mountains, Angeles National Forest: Canyon above Angeles Crest Hwy. ca. 1 mile W of Vincent Gap, at one of headwaters of E fork Big Rock Creek N-face Mt. Baden-Powell. 2332 Comment
  UCR149786  Calochortus plummerae Scott D. White, Pam Devries 2004-6-14 10494 A Los Angeles Western Transverse Ranges, Eastern Santa Susana Mountains. West of the I-5 Freeway, c. 4 mi N of I-5 / SH-14 jtn and 6 mi south of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 518 Comment
  UCR94709  Calochortus striatus A. C. Sanders, E. J. Lott 1993-5-6 13976 Los Angeles Western Mojave Desert, SW edge of Rosamond Dry Lake, near east end of Ave 'C,' just west of Piute Ponds and east of Sierra Hwy, at edge of Edwards AFB 700 Comment
  SEINET7072903  Calyptridium monandrum A. G. Vestal 1963-5-22 s.n. Los Angeles San Gabriel Range Mountains southeast of Bobs Gap on Big Pines Road. Coordinate datum: WGS84/NAD83. (34? deg. 24' 59" North Latitude, -117? deg. 68' 56" West Longitude; UTM Zone 11, 428121mE, 3808400mN, Coordinate datum: NAD27.). Comment
  UCR162590  Calystegia macrostegia Anuja Parikh, Nathan Gale 2004-7-12 2085 Los Angeles NE end of Santa Susana Mtns, Newhall Ranch (study area 22), ridges south of upper Potrero Canyon 427 Comment
  UCR216916  Calystegia macrostegia R. G. Swinney 2009-3-16 10122 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 400 m NE of River Bike Path parking lot at Hwy 39 227 Comment
  RSA545311  Calystegia macrostegia subsp. amplissima T. S. Ross 1992-4-14 6178 Los Angeles San Clemente Island: central E side of island; stabilized slope above rutted Nanny Canyon drainage channel, 87 deg. S and ca 280m distant from where drainage meets the sea. 76 Comment
  CAS-BOT-BC215762  Calystegia macrostegia subsp. arida P. A. Munz 1918-5-16 2241 Los Angeles Claremont Comment
  RSA650298  Calystegia macrostegia subsp. cyclostegia Kenny Palmer 1948-5-16 s.n. Los Angeles Found in wash 2 mi. N. of San Dimas. Comment
  CAS-BOT-BC215799  Calystegia macrostegia subsp. intermedia Geo. B. Grant 1901-4-9 s.n. Los Angeles Avalon, Santa Catalina Island Comment
  RSA394871  Calystegia macrostegia subsp. intermedia Edwin Kline 1926-5-31 s.n. Los Angeles Coast Range, Los Angeles. Comment
  RSA394903  Calystegia macrostegia subsp. intermedia H. L. Bauer 1932-03 15379 Los Angeles Mouth of Topango [Topanga] Canyon. Comment
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May 29 2014
  UC57543  Calystegia macrostegia subsp. intermedia J. H. Barber 1898-8-3 Los Angeles Topango Comment
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May 22 2014
  CAS-BOT-BC418630  Calystegia occidentalis subsp. fulcrata R. K. Brummitt; S. M. Namoff 2012-6-7 22036 Los Angeles Angeles National Forest, San Gabriel Mts., N side of Big Pine hwy, 50 m W of junction with Hwy 2 2080 Comment
  RSA229031  Calystegia occidentalis subsp. fulcrata R. F. Thorne, C. W. Tilforth 1971-6-30 40748 Los Angeles Pacifico Mountain 1951 Comment
  RSA593433  Calystegia occidentalis subsp. fulcrata Steve Boyd, Mark Elvin, Victoria Jotikasthira 1996-6-25 8891 Los Angeles Liebre Mountains, along summit of Sawmill Mountain, west of Sawmill Camp and just north of 7N23. 1610 Comment
  RSA764523  Calystegia peirsonii Orlando Mistretta, Christine Mistretta 2008-5-3 2630 Los Angeles Southern California Edison transmission line tower (Segment 5, structure 31 per TRTP Survey 2008), in the vicinity of Portal Ridge, SE of Elizabeth Lake Rd. 958 Comment
  UCR222778  Camissonia californica R. G. Swinney 2009-5-6 10659 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
  RSA757804  Camissonia campestris subsp. campestris Orlando Mistretta, Christine Mistretta 2008-4-7 2371 Los Angeles along SCE transmission line corridor, ca. 1.5 mi. NW of intersection of transmission line with State Hwy. 14 (1.75 mi. NW of Vincent substation), southeast edge of Sierra Pelona Ridge. (Segment 5, structure 41 per TRTP survey-2008) 972 Comment
  RSA187450  Camissonia guadalupensis subsp. clementina Peter H. Raven 1962-4-11 17260 Los Angeles beach due west of Wall 2; San Clemente Island. 9 Comment
  RSA646983  Camissonia hirtella LeRoy Gross, Michael Honer, Lel Lubinsky 2000-4-27 176 Los Angeles San Rafael Hills: Ridgetop near lookout Tower, East of the (2) Glendale Freeway. 549 Comment
  RSA775516  Camissonia intermedia Orlando Mistretta, Christine Mistretta 2010-5-20 5177 Los Angeles Aliso Creek, slopes W of Angeles Forest Hwy., 0.6 miles S of jct. with Aliso Cyn. Rd. 1280 Comment
  SDSU8628  Camissonia micrantha Gerald Collier 1951-9-7 Los Angeles Sea Bluff at Point Dume- Approx. 2 miles SW of US Hwy 101. Comment
  POM126851  Camissonia pallida subsp. pallida Jos. Burtt Davy 1896-05 2529 Los Angeles Antelope Valley. Comment
  RSA599491  Camissonia strigulosa Steve Boyd, Lauren Raz 1997-3-25 9316 Los Angeles Liebre Mountains region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch. 1097 Comment
  UCR275285  Camissonia strigulosa Jeremiah George 2012-3-1 s.n. Los Angeles South Coast, Entradero Park, West Torrance near Redondo Beach 23 Comment
  LA46700  Camissoniopsis bistorta H. L. Wedberg; 1957-3-24 sn Los Angeles Comment
  SBBG17241  Camissoniopsis bistorta K. A. Wilson 1961-2-20 864 Los Angeles Little Tujunga Cyn Comment
  UC422966  Camissoniopsis bistorta J. Grinnell 1903-6-30 Los Angeles Pasadena Comment
  LA200697  Camissoniopsis cheiranthifolia subsp. suffruticosa M. Zaitlin; 1951-4-8 sn Los Angeles Santa Monica Mountains, Zuma Beach, Zuma Beach Comment
  SFV2541  Camissoniopsis confusa P. G. Kilburn 1958-4-12 716 Los Angeles Mojave Desert Palmdale. Avenue N and 10th Street, 4 miles northwest of downtown. 790 Comment
  UCR63904  Campanula elatines Tanith Fowler 1990-5-20 s.n. Los Angeles Palos Verdes Hills., Potuguese Canyon. 488 Comment
  RSA114408  Cannabis sativa P. A. Munz 1955-11-5 21486 Los Angeles at edge of pavement, 1.5 blks. N of Foothill Blvd. on Mills Ave., Claremont. Comment
  RSA279036  Cannabis sativa R. F. Thorne 1971-4-23 41488 Los Angeles San Gabriel Mountains: Angeles National Forest; Chantry Flats, above Santa Anita Canyon. 640 Comment
  UC10290  Capsella bursa-pastoris W. H. Brewer Feb. 1861 170 Los Angeles San Gabriel Comment
  UCR247460  Cardamine Dan S. Cooper 2013-3-7 313- 55 Los Angeles Western Transverse Range; Hollywood Hills, Griffith Park; side canyon draining into northwestern corner of Los Angeles Zoo 174 Comment
  SFV16779  Cardamine californica J. D. Dilley 1997-1-11 s. n. Los Angeles Verdugo Mountains La Tuna Canyon Park. 610 Comment
  POM369317  Cardamine californica var. integrifolia Ella M. Kennedy 1923-3-12 s.n. Los Angeles Arroyo Seco Comment
  RSA364718  Carex abrupta B. C. Templeton 1932-6-1 4875 Los Angeles Below amateur ski jump, Big Pines Park. Comment
  RSA0091512  Carex alma R. G. Swinney 2011-6-29 15358 Los Angeles Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  RSA0091982  Carex alma R. G. Swinney 2011-10-10 15722 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
  UCR150589  Carex alma L. C. Wheeler 1966-10-1 8933 Los Angeles San Gabriel Mtns., Millie's Orchard, lower Colby Ranch, Coldwater Canyon 1006 Comment
  CAS-BOT-BC21310  Carex fracta J. Ewan 1936-7-22 9796 Los Angeles San Gabrel Mountains. Big Pines Meadow. 2072 Comment
  SEINET8055536 Image available Carex multicaulis G. B. Grant, W. Wheeler 1904-1 138 ; 6223 Los Angeles Mount Wilson Comment
  CAS-BOT-BC118427  Carex praegracilis George B. Grant 1910-2-1 3425 Los Angeles Oak Knoll Pasadena Comment
  UCR180151  Carex praegracilis Scott D. White, Andrea Warniment 2006-7-7 11613 Los Angeles SE Tehachapi Mtns, Gorman area, Gorman Creek NE of the I-5 Freeway 1098 Comment
  POM1513  Carex spissa I. M. Johnston 1917-5-13 27 -A Los Angeles El Monte. 122 Comment
  UCR278358  Carex spissa Peter F. Zika, Nick Otting 2010-8-7 25306 Los Angeles South Coast, base of San Gabriel Canyon, east side of Route 39 250 Comment
  PASA994  Castilleja Ruth M. Evans 1931-3-15 Los Angeles Lone Hill, Glendora Comment
  LA52012  Castilleja affinis J. Ewan; 1930-5-30 s.n. Los Angeles SANTA MONICA MOUNTAINS, Cahuenga Hills, above Hollywood Lake. 304 Comment
  POM177881  Castilleja affinis J. Ewan 1931-2-20 4028 Los Angeles Dry Canyon near Westwood Santa Monica Mts. Comment
  RSA0121225  Castilleja affinis M. B. Dunkle 1933-4-19 3312 Los Angeles Palos Verdes Hills. Comment
  UCR144093  Castilleja applegatei subsp. martini Scott D. White, D. E. Bramlet 1998-6-29 6809 Los Angeles San Gabriel Mtns, West of Mt. Islip, just above eastern boundary of San Gabriel Wilderness. c. 4-mi closed section of Hwy 39 from 1.6 miles west of the junction with Crystal Lake access road to the junction with Hwy 2 2012 Comment
  LA105079  Castilleja applegatei subsp. martinii Barry A. Prigge; 1988-7-3 8187 Los Angeles Santa Monica Mountains, Calabasas, ca 0.4 mi E of jtn of Mulholland Hwy and Old Topanga Rd, S of E-end of Calabasas High School track 313 Comment
  POM4198  Castilleja applegatei subsp. martinii C. F. Baker 1909-5-15 5312 Los Angeles Mountains near Claremont. Comment
  RSA149748  Castilleja applegatei subsp. martinii Wesley O. Griesel 1961-5-4 s.n. Los Angeles Charleton Flats, San Gabriel Mountains. 1524 Comment
  UC729802  Castilleja exserta Carl B. Wolf Los Angeles Avalon Santa Catalina Island (first main ridge s of Wm. Wrigley, Jr. home) 243 Comment
  UCD122409  Castilleja exserta A. C. Sanders 2005-5-5 29887 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool. 655 Comment
  UCR127905  Castilleja exserta A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26101 Los Angeles Western San Gabriel Mtns., Newhall Ranch, Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon 457 Comment
  RSA599206  Castilleja exserta subsp. exserta Louis C. Wheeler 1968-3-21 s.n. Los Angeles San Gabriel Mountains: Glendora Ridge Truck Trail. 632 Comment
  RSA549788  Castilleja foliolosa Wandalee Thompson 1964-4-8 21 Los Angeles Liebre Mtns.: Cottonwood Campground, Elizabeth Lake Canyon Road, Angeles National Forest. 808 Comment
  RSA0005954  Castilleja gleasoni A. D. E. Elmer 1902-06 3659 Los Angeles Acton. Mt. Gleason. 829 Comment
  UC557802  Castilleja grisea Nell Murbarger Apr 1936 132 Los Angeles s and e sides San Clemente Island Comment
  NY68086  Castilleja grisea M. B. Dunkle 1939-4-2 7201 Los Angeles This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SFV3339  Castilleja linariifolia M. L. Vincent 1962-10-4 296 Los Angeles San Gabriel Mountains Valyermo Road 0.25 miles west of Valyermo. On damp roadside bank. 1110 Comment
  RSA149760  Castilleja miniata Wesley O. Griesel 1961-7-26 s.n. Los Angeles Snow Valley. 2043 Comment
  POM145748  Castilleja minor subsp. spiralis Thomas Craig 1927-6-19 479 Los Angeles Between Acton and Ravenna, Soledad Canyon. Comment
  SEINET3159332  Castilleja stenantha G. B. Grant 1904-6-17 142 Los Angeles Pasadena Comment
  UC1012095  Castilleja subinclusa subsp. subinclusa Francis W. Pennell 1940-4-18 25136 Los Angeles e of Gorman (Route 99) 1127 Comment
  CAS-BOT-BC38149  Caulanthus amplexicaulis LeRoy Abrams; E. A. McGregor 1908-7-3 573 Los Angeles San Gabriel Mountains. North Baldy Mountain. Comment
  SFV1438  Caulanthus amplexicaulis K. A. Wilson 1962-5-26 1293 Los Angeles San Gabriel Mountains Mill Creek Road, 4 miles north of Big Tujunga Canyon Road. 1185 Comment
  UC56734  Caulanthus amplexicaulis H. M. Hall 1902-5-3 3101 Los Angeles San Francisquito Pass San Francisquito Pass (Southern California) 457 Comment
  UCR270500  Caulanthus cooperi R. G. Swinney 2011-4-1 14312 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
  SBBG72110  Caulanthus coulteri R. Hoffmann 1925-4-19 Los Angeles Elizabeth Lake Comment
  NY42931  Caulanthus coulteri var. coulteri J. B. Walker 1995-3-30 1301 Los Angeles Angeles National Forest, Ridge Rt USFS 8N04, 10km S of Hwy 138 1300 Comment
  RSA718115  Caulanthus major R. G. Swinney 1997-6-13 5570 Los Angeles South of Pinon Hills, c. 0.5 mi NE of Talbe Mountain, summit of ridge just west of San Bernardino Co. line. 2073 Comment
  JEPS42101  Ceanothus Miss C. M. Hoak 1924-2-2 Los Angeles near Los Angeles, Gibbs Estate (cultivated) Comment
  RSA399158  Ceanothus arboreus Freda Detmers 1929-4-14 s.n. Los Angeles Descanso Canyon. Santa Catalina Island Comment
  RSA399159  Ceanothus arboreus Anstruther Davidson 1891-6-20 s.n. Los Angeles Catalina Island Comment
  LA82215  Ceanothus crassifolius O. H. Kappler; 1941-3-25 147 Los Angeles SANTA MONICA MOUNTAINS, Corral Canyon, at head of Corral Canyon, N slope. 761 Comment
  RSA77353  Ceanothus greggii var. vestitus F. W. Peirson 1918-6-16 4448 Los Angeles Rock Creek, north slope of San Gabriel Mountains 1448 Comment
  UC1595278  Ceanothus integerrimus Tim Ross and Peter Fritsch 1990-6-20 3685 Los Angeles Rincon-Red Box Rd (2N24) San Gabriel Mts. (ridgetop between W Fork San Gabriel River and Roberts Canyon.) 1328 Comment
  UC18352  Ceanothus integerrimus A. Davidson Los Angeles Wilson's Flat Comment
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Mar 6 2015
  UCR141367  Ceanothus leucodermis R. G. Swinney 1997-8-19 5813 Los Angeles San Gabriel Mtns, Antonio Peak (Lookout Mtn.), ridge east of Cattle Canyon and west of the west fork of Bear Canyon. 2073 Comment
  UCR223478  Ceanothus leucodermis R. G. Swinney 2009-5-28 10939 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  POM9556  Ceanothus leucodermis P. A. Munz 1920-3-10 3330 Los Angeles 1.5 mi. east of Claremont. 366 Comment
  RSA399112  Ceanothus megacarpus Louis C. Wheeler 1932-3-19 527 Los Angeles Head Sepulveda. Santa Monica Mts. 427 Comment
  UCR168234  Ceanothus megacarpus subsp. insularis Reid Moran 1941-3-5 679 Los Angeles Channel Islands; Santa Catalina Island, Salta Verde 350 Comment
  RSA261705  Ceanothus megacarpus var. insularis T. S. Brandegee 1889-05 s.n. Los Angeles Santa Catalina Island. Comment
  RSA545272  Ceanothus megacarpus var. insularis D. Propst, H. Hoefs 1973-2-3 17 Los Angeles Santa Catalina Island: Upper White's Landing Road Comment
  RSA0113443  Ceanothus megacarpus var. insularis Steven A. Junak 1999-5-21 SCa- 995 Los Angeles Santa Catalina Island. Back on E side of Coffee Pot Canyon, just W of road, N facing stream bank. 421 Comment
  CAS-BOT-BC51445  Ceanothus megacarpus var. megacarpus Carl B. Wolf 1932-5-10 3541 Los Angeles Santa Catalina Island. Along ridge between summit of the equestrian trail & Mt. Shatto 335 Comment
  UC1070877  Ceanothus megacarpus var. megacarpus F. H. Raymond 1930-1-29 47 Los Angeles Head of Corral Canyon Calabasas quad. 670 Comment
  CAS-BOT-BC50459  Ceanothus oliganthus Geo. B. Grant 1901-7-28 s.n. Los Angeles Sturtevant's Camp 1066 Comment
  LA103272  Ceanothus oliganthus Jonathan Sauer; E. R. Hobbs 1979-4-14 6061 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak, Topanga look-out near peak. 609 Comment
  LA32006  Ceanothus oliganthus Peter H. Raven; Henry J. Thompson 1959-4-3 13919 Los Angeles Santa Monica Mountains, Saddle Peak; about 0.7 mile NE of summit 807 Comment
  UCD112295  Ceanothus oliganthus Kenneth A. Wilson 1961-2-18 859 Los Angeles Santa Monica Mtns. Mulholland Hwy. 2 miles west of Semiole Hot Springs. Comment
  UCR139364  Ceanothus oliganthus I. M. Johnston 1917-9-17 1724 Los Angeles San Antonio [San Gabriel] Mountains, Cow Canyon 915 Comment
  UC18372  Ceanothus oliganthus Dr. A. Davidson 1895-1 Los Angeles Comment
  RSA25740  Ceanothus oliganthus var. oliganthus Carl B. Wolf 1941-8-2 11134 Los Angeles Ridge Route Road, 2.7 mi S of Frenchman Flats Forest Service Camp. 823 Comment
  SBBG68505  Ceanothus oliganthus var. oliganthus M. N. Ackley -Apr-1929 Los Angeles La Crescenta 487 Comment
  UC1602794  Ceanothus oliganthus var. oliganthus P. L. Johannsen 1934-1-27 244 Los Angeles 1 1/2 mi w Oat Mountain; Santa Susana Quadrangle Comment
  SD253534  Ceanothus oliganthus var. orcuttii R. G. Swinney 2011-3-26 14200 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
  UC1070655  Ceanothus perplexans A. D. Gifford 1935-3-29 528 Los Angeles 2 3/4 mi NNE of Liebre Peak 1188 Comment
  UCD129955  Centaurea diluta T. C. Fuller 1963-6-26 10713 Los Angeles southeast corner of Imperial and Success Aves., Watts dist. Comment
  IRVC26638  Centaurium venustum I. W. Clokey, B. C. Templeton Jul 1929 4574 Los Angeles Mandeville Canyon Santa Monica Mountains 200 Comment
  RSA601141  Centaurium venustum Louis C. Wheeler 1946-5-26 6214 Los Angeles San Gabriel Wash, 1/2 mi. south of Arrow Highway. Comment
  RSA705965  Centaurium venustum subsp. venustum M. Wall, Katie Sims 2005-6-9 393 Los Angeles Rancho Santa Ana Botanic Garden native to site in plant communities section D-13. Comment
  UCD137524  Centranthus ruber Doris Pechuanco 1964-7-21 s.n. Los Angeles along Paseo del Mar, 900 West, at Cabrillo Avenue, 3700 south, San Pedro. Comment
  UCR151733  Centrostegia thurberi LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 871 Los Angeles Transverse Ranges/San Gabriel Mtns region, Big Rock Creek, N and east of Valyermo Ranger Station off Big Pines Hwy 1143 Comment
  RSA65894  Centrostegia thurberi var. thurberi F. W. Peirson 1930-5-31 8909 Los Angeles Below Lovejoy Dam, Lovejoy Buttes, southwestern Mojave Desert. Comment
  CAS-BOT-BC388304  Cerastium glomeratum Geo. B. Grant 1905-4-10 s.n. Los Angeles Pasadena Comment
  SBBG98670  Cerastium glomeratum T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5178 Los Angeles 1100 ft SSW of Twin Dams, 1450 ft NNW of Boulder marker (1859) 502 Comment
  UCR223255  Cercocarpus betuloides R. G. Swinney 2009-5-20 10835 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  SBBG70742  Cercocarpus betuloides var. betuloides R. Hoffmann 1930-6-6 Los Angeles Alamo Crk 792 Comment
  CAS-BOT-BC137239  Cercocarpus betuloides var. blancheae Alice Eastwood 1917-7-20 6504 Los Angeles Santa Catalina Island Comment
  RSA0057924  Chaenactis artemisiifolia Richard G. Swinney 2010-6-23 13339 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
  RSA710756  Chaenactis artemisiifolia Valerie L. Soza, Bill Hogshead 2003-4-23 1636 Los Angeles Brand Park, Brand Canyon. 381 Comment
  UC535375  Chaenactis artemisiifolia Ira W. Clokey, B. Templeton 1929-5-1 4489 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon Comment
  UCR271847  Chaenactis artemisiifolia R. G. Swinney 2011-5-31 14900 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
  POM351645  Chaenactis artemisiifolia Samuel R. Tyson 1942-6-18 s.n. Los Angeles San Dimas Canyon. 1463 Comment
  LA47053  Chaenactis glabriuscula var. glabriuscula Peter H. Raven; 1960-5-15 15375 Los Angeles SANTA MONICA MOUNTAINS, Piuma Road, 5.1 mi. NW of Rambla Pacifica. 213 Comment
  POM123111  Chaenactis glabriuscula var. glabriuscula Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. [Santa Monica Mountains] Comment
  UCR207704  Chaenactis glabriuscula var. glabriuscula Justin M. Wood 2009-4-10 474 Los Angeles San Gabriel Mountains, foothills, city of San Dimas, San Dimas Wash just above the Puddingstone Diversion Dam and adjacent to the golf course 366 Comment
  POM308945  Chaenactis glabriuscula var. glabriuscula Kay H. Beach 1943-4-22 646 Los Angeles Dalton Wash. San Dimas experimental Forest, U.S. Forest Dept. San Gabriel Mt. Range. Comment
  SBBG65565  Chaenactis glabriuscula var. glabriuscula R. Hoffmann 1930-5-19 Los Angeles Mint Cyn, ca. 4 mi E of Oak's Garage Comment
  RSA301932  Chaenactis glabriuscula var. lanosa J. R. Shevock 1971-5-11 1051 Los Angeles Sierra Hwy, near Soledad Jct. 579 Comment
  JEPS34214  Chaenactis glabriuscula var. orcuttiana Julia A. Bettys 1929-5-20 Los Angeles Manhattan Beach Comment
  RSA149749  Chaenactis santolinoides Wesley O. Griesel 1961-6-1 s.n. Los Angeles State Highway #2 near Valcrest 1828 Comment
  RSA747372  Chaenactis santolinoides R. G. Swinney 2008-6-10 8991 Los Angeles Devils Punchbowl Co. Park, peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1933 Comment
  RSA0001019  Chaenactis santolinoides L. R. Abrams 1902-6-29 2589 Los Angeles Summit of Mt. Wilson. Comment
  RSA0117574  Chaenactis xantiana A. C. Sanders 2008-4-10 34787 Los Angeles Transverse Range/Mojave Desert: hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM Pine. 915 Comment
  UCSB17167  Chamaesyce albomarginata Keith, Sheldon 1963-5-3 Los Angeles U.S. Highway 138, 21.5 miles east of junction with U.S. Highway 6 944 Comment
  POM2805  Chamaesyce melanadenia Wilfred Terry Reynolds 1900-6-12 s.n. Los Angeles Burbank Canon [canyon] S. California. 427 Comment
  SJSU4462  Chamaesyce polycarpa H. R. Garrett 1962-4-15 Los Angeles Shady Cove Dr, Burbank Comment
  UC450211  Chamaesyce serpyllifolia Geo. B. Grant 425 a Los Angeles Pasadena Comment
  SEINET6744569  Cheilanthes covillei Marcus E. Jones 1882-1 3033 Los Angeles Pasadena Comment
  SFV16787  Cheilanthes covillei J. D. Dilley 1997-2-1 s. n. Los Angeles San Gabriel Mountains Colby Canyon, on Angeles Crest Highway. 3 miles east of junction with Angeles Forest Highway. 1 mile up trail. 1067 Comment
  UCD137419  Cheilanthes covillei James Dilley 1997-2-1 s.n. Los Angeles Angeles National Forest, Colby Canyon Rd., on Angeles Crest Hwy., 3 miles E of jct with Angeles Forest Hwy. 1 mile up trail. 1066 Comment
  RSA0116570  Chenopodium R. G. Swinney 2010-9-30 13931 Los Angeles San Gabriel Mountains; 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon. 2305 Comment
  UCR277051  Chenopodium R. G. Swinney 2011-9-22 15670 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), c. 300 meters north of lodge along service rd. 1073 Comment
  CDA3020  Chenopodium berlandieri L. C. Wheeler 1966-10-1 8936 Los Angeles San Gabriel Mtns.; Millie s Orchard, lower Colby Ranch, Coldwater Canyon Comment
  LA51481  Chenopodium berlandieri G. J. Harrison; Henry J. Thompson 1959-9-18 Los Angeles University of California, West Los Angeles 152 Comment
  UC7270  Chenopodium berlandieri J. Burtt Davy Oct., 1896 2768 Los Angeles Santa Monica Comment
  UCR281389  Chenopodium berlandieri R. G. Swinney 2014-5-27 16653 Los Angeles San Gabriel Mountains, Glendora, ridge between east and north forks of Hook Cyn., c. 400 m south of Glendora Ridge Mtwy. & 200 m north of Church of the Open Door, NE of Hook Cyn. debris basin 445 Comment
  POM20621  Chenopodium berlandieri var. sinuatum P. A. Munz 1923-11-8 7799 Los Angeles Lone Hill, Glendora. Comment
  RSA702158  Chenopodium botrys Michael Honer 2004-6-22 1983 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon and Hog Back. 854 Comment
  UCR95400  Chenopodium botrys L. C. Wheeler 1966-11-23 9139 Los Angeles San Gabriel Mtns., Cogswell Reservoir, West Fork San Gabriel River Comment
  IRVC28605  Chenopodium botrys A. C. Sanders, Mark Elvin 2002-6-20 25218 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
  POM211790  Chenopodium botrys L. C. Wheeler 1933-8-20 2086 Los Angeles In sunny stream. Pine Canyon Dam, San Gabriel Mts. 305 Comment
  RSA0042042  Chenopodium californicum R. G. Swinney 2010-3-10 11831 Los Angeles Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 442 Comment
  RSA611051  Chenopodium californicum L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mountains: Pallett Creek 1280 Comment
  RSA799915  Chenopodium californicum Justin M. Wood 2009-3-20 376 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave. and Foothill Blvd. west of entrance road. 390 Comment
  UCR198329  Chenopodium californicum Gary Kovnat, LeRoy Gross 2003-2-2 07 Los Angeles San Gabriel Mountains, Transverse Ranges; Angeles National Forest, Gold Creek Ecological Preserve, south terrace south descending trail Comment
  RSA527584  Chenopodium californicum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4361 Los Angeles San Clemente Island: E side of island, Bryce Cyn near Malo Point. Comment
  UCR223149  Chenopodium desiccatum R. G. Swinney 2009-7-22 11333 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR270114  Chenopodium fremontii R. G. Swinney 2010-9-9 13800 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
  RSA729757  Chenopodium hians R. G. Swinney 1999-7-5 7527 Los Angeles San Gabriel Mtns.: Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines highway at a point 0.5 mi. west of junction of Hwy 2. 1866 Comment
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Apr 11 2010
  SFV7066  Chenopodium macrospermum T. Gordon, M. H. Grayum, D. R. Perry, K. Felt 1974-11-3 766 Los Angeles Santa Monica Mountains Malibu Creek, about 0.5 miles from ocean. Comment
  RSA279123  Chenopodium macrospermum var. farinosum R. F. Thorne, D. Propst 1974-9-12 45096 Los Angeles Santa Catalina Island. Thompson Reservoir. 213 Comment
  CATA1269  Chenopodium murale Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-12 2354 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon from road to beach 6 Comment
  SBBG37248  Chenopodium murale E. R. Blakley 1961-9-23 4732 Los Angeles Ballast Pt, Catalina Harbor Comment
  UCR214637  Chenopodium murale A. C. Sanders, Dan S. Cooper 2010-3-12 37379 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR219303  Chenopodium murale Lorraine Weller 2010-8-20 082010- 15 Los Angeles Los Angeles, Koreatown area, Rosewood Community Gardens, 4160 1/2 Rosewood Ave. 84 Comment
  UC284219  Chenopodium murale P. A. Munz 1923-4-9 6689 Los Angeles Lemon Tank San Clemente Island Comment
  RSA748847  Chenopodium pumilio Justin M. Wood 2009-4-13 488 Los Angeles Foothills above the city of Sierra Madre, one carter estates at the end of Baldwin Ave. 49 Comment
  UCR281377  Chlorogalum pomeridianum R. G. Swinney 2014-5-21 16609 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  LA52278  Chorizanthe staticoides Carl Epling; Nesta Hutchinson 1931-5-30 52278 Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA392668  Chorizanthe staticoides Geo. L. Moxley 1914-5-30 217 Los Angeles San Rafael Hills Comment
  RSA674852  Chorizanthe staticoides Scott D. White, Kent Hughes 2000-5-17 7873 Los Angeles San Gabriel Mts./Soledad Cyn.: Canyon bottom and adjacent steep N-facing slope. 579 Comment
  UC2043046  Chorizanthe staticoides Barbara Ertter with L. Heckard, T. Sholars, J. Hickman, et al. 1988-5-23 7479 Los Angeles Pine Canyon Road along San Andreas Fault on N side of San Gabriel Mts. (Co Rd N2) Comment
  UC410548  Chorizanthe staticoides Alice Eastwood 1928-6-15 15379 Los Angeles Claremont Comment
  UC54947  Chorizanthe staticoides H. P. Chandler 1902-6-3 2005 Los Angeles Brush Canyon near Cahuenga Peak; Brush Canyon near Cahuenga Peak Comment
  UCR163968  Chorizanthe staticoides B. G. Pitzer 1998-5-23 3743 Los Angeles Western Transverse Range, Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  UCR190268  Chorizanthe staticoides R. G. Swinney 2000-6-25 7793 Los Angeles San Gabriel Mtns., lower San Antonio Canyon, c. 70 m west of San Antonio Canyon Rd. and 80 m south of Shinn Rd. 793 Comment
  UCR270817  Chorizanthe staticoides R. G. Swinney 2011-5-24 14806 Los Angeles San Gabriel Mountains, to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1061 Comment
  RSA596380  Chorizanthe watsonii Tim S. Ross, S. D. Boyd 1995-6-29 8662 Los Angeles Near west summit of Liebre Mountain. 1674 Comment
  UCR245449  Chorizanthe xanti Elizabeth A. Kempton, Steve Boyd, Valentin Arvizu 2006-6-17 394 Los Angeles Along Ridge Route 1283 Comment
  UCR231382  Chrysanthemum parthenium Dan S. Cooper 2011-9-30 911- 130 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, Royce Canyon 264 Comment
  IRVC29646  Chrysothamnus nauseosus A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26220 Los Angeles Castaic Valley along Castaic Creek 0-2 km downstream from Lake Hughes Rd., Newhall Ranch Western San Gabriel Mtns. 351 Comment
  UCR190127  Chrysothamnus nauseosus R. G. Swinney 1998-8-27 6795 Los Angeles San Gabriel Mtns., ridge due north of Big Horn Ridge and south of San Antonio Ridge, 7625 ft. high spot on ridge above Coldwater Canyon 2325 Comment
  UCR202745  Chrysothamnus nauseosus R. G. Swinney 2001-8-27 8097 Los Angeles San Gabriel Mtns., Throop Peak, west of Mt. Baden-Powell 2786 Comment
  CAS-BOT-BC280039  Cirsium mohavense T. C. Fuller 1958-8-6 2083 Los Angeles Adj to r.r., 4 mi N/Lancaster Comment
  UC485368  Cirsium occidentale var. occidentale unknown 1903-6-22 Los Angeles Laurel Canon Comment
  RSA795205  Cirsium vulgare Jane Tirrell 2012-8-3 LS 0142 Los Angeles Below Pacific Crest Trail approx. 0.3 mi. northwest of Mt. Hawkins 2487 Comment
  RSA640311  Cistanthe monandra L. C. Wheeler 1931-3-29 s.n. Los Angeles Base of San Gabriel Mountains: San Dimas Wash. Comment
  UCR193445  Cistus ladanifer R. G. Swinney 1999-4-8 7075 Los Angeles San Gabriel Mtns., Claremont, Palmer Canyon c. 100 m east of Cobal Canyon 512 Comment
  POM145749  Clarkia bottae Thomas Craig 1927-6-19 495 Los Angeles 10 miles west of Ravenna. Comment
  POM3118  Clarkia bottae Katherine Brandegee, Ernest Braunton 1910-8-1 s.n. Los Angeles Elysian Park. Comment
  CAS-BOT-BC167112  Clarkia cylindrica A. C. Sanders; Mark A. Elvin 2003-6-18 26941 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
  RSA458826  Clarkia cylindrica subsp. cylindrica Kenneth A. Wilson 1962-5-26 1287 Los Angeles Placerita Canyon, about one mile east of Hwy 6. Comment
  RSA618667  Clarkia cylindrica subsp. cylindrica Louis C. Wheeler 1967-5-18 9638 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  UC373529  Clarkia cylindrica subsp. cylindrica C. L. Hitchcock 1928-5-27 44 Los Angeles 1 1/2 mi s Lebec (on Ridge Route) 1200 Comment
  RSA453464  Clarkia deflexa H. de Forest, Johnstone 1925-5-16 s.n. Los Angeles N. of Los Felix Blvd. Comment
  RSA733756  Clarkia dudleyana R. G. Swinney 2000-5-21 7781 Los Angeles San Gabriel Mtns.: NE of Azusa, Rincon Canyon, 1 mi. S of junction with Hwy 39 at Rincon Station, ca. 1000m 610 Comment
  CAS-BOT-BC172012  Clarkia epilobioides Carl B. Wolf 1932-5-9 3489 Los Angeles Santa Catalina Island, left (E.) fork of Pebbly Beach Canyon, at 2nd Group of Mine Workings 304 Comment
  CAS-BOT-BC172013  Clarkia epilobioides Geo. B. Grant 1910-4-1 s.n. Los Angeles Avalon, Santa Catalina Isl. Comment
  POM50317  Clarkia epilobioides L. R. Abrams 1901-6-4 1706 Los Angeles Los Tunas Canyon. Comment
  POM181837  Clarkia heterandra C. L. Hitchcock 1928-5-27 s.n. Los Angeles 8 miles west of Elizabeth Lake 1000 Comment
  SBBG60330  Clarkia purpurea subsp. purpurea R. Hoffmann 1927-6-14 Los Angeles Elizabeth Lake Comment
  JEPS43691  Clarkia purpurea subsp. quadrivulnera Frank W. Peirson 1919-6-5 467 Los Angeles San Antonio Canyon San Gabriel Mountains 1341 Comment
  RSA600192  Clarkia purpurea subsp. quadrivulnera Steve Boyd, Lauren Raz 1997-5-29 9906 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail, at point where trail crosses side drainage originating on ridge forming divide with Gookins Dry Lake. 1098 Comment
  UCR143554  Clarkia xantiana subsp. xantiana Orlando Mistretta, Steve Boyd 1995-5-23 1730 Los Angeles Transverse Ranges; San Gabriel Mtns., Bare Mountain Canyon 1905 Comment
  UCR265533  Claytonia parviflora Dan S. Cooper 2015-2-23 215- 39 Los Angeles Western Transverse Range; Santa Monica Mountains, Monte Nido, end of Pony Cross Rd. 167 Comment
  UCR208220  Claytonia parviflora subsp. parviflora K. R. Montgomery, Thomas W. Strid 1973-4-14 73- 18 Los Angeles San Gabriel Mtns., Dillon Divide; site of LASCA Cistus field plot Comment
  UCR271322  Claytonia parviflora subsp. parviflora R. G. Swinney 2011-5-12 14719 Los Angeles San Gabriel Mountains, Aliso Canyon Creek, 50-100 m west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy, west of mouth of Cabin Canyon Creek 1183 Comment
  UCR4121  Claytonia perfoliata Ronald M. Cope 1965-3-27 s.n. Los Angeles San Gabriel Mtns., road from Devil's Canyon Wild Area to Azusa, 8-12 mi north of where the road crosses the west fork of the San Gabriel River 762 Comment
  POM294050  Claytonia perfoliata subsp. mexicana Lyman Benson 1945-4-13 11670 Los Angeles San Gabriel Mountains: Little Dalton Canyon, Glendora; Pacific Slope Drainage Area 366 Comment
  CAS-BOT-BC440117  Claytonia perfoliata subsp. perfoliata Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-8 4360 Los Angeles San Clemente Island. E side of island, near Malo Point, third cyn S of Bryce Cyn. Comment
  RSA0091716  Claytonia perfoliata subsp. perfoliata R. G. Swinney 2011-4-9 14372 Los Angeles NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  RSA386208  Clematis lasiantha Albert J. Perkins 1923-5-28 s.n. Los Angeles Trail Colby to Loomis. [Likely Colby Ranch: NNE of Strawberry Peak, San Gabriel Mountains, and Loomis Ranch: NW of Chilao Flat.] Comment
  RSA386209  Clematis lasiantha Martha Hilend 1928-3-4 50 Los Angeles Santa Monica Mtns: N of Pacific Palisades. Comment
  UC1602300  Clematis lasiantha Geo. B. Grant 1904-5-17 194 Los Angeles Mt. Wilson near Pasadena; Mt. Wilson Comment
  RSA356029  Cleome isomeris R. F. Thorne 1975-9-3 47370 Los Angeles Santa Catalina Island. Near Blue Cavern Point 15 Comment
  RSA3511  Cleome isomeris C. B. Wolf 1932-5-9 3454 Los Angeles Santa Catalina Island: Pebbly Beach, hillside canyon. 30 Comment
  SEINET7072902  Collinsia bartsiifolia A. G. Vestal 1963-5-22 s.n. Los Angeles San Gabriel Range Mountains southeast of Bobs Gap on Big Pines Road. Coordinate datum: WGS84/NAD83. (34? deg. 24' 59" North Latitude, -117? deg. 68' 56" West Longitude; UTM Zone 11, 428121mE, 3808400mN, Coordinate datum: NAD27.). Comment
  JEPS24112  Collinsia heterophylla Henry J. Thompson 1959-4-19 1937 Los Angeles Mulholland Highway 1 mi w of Las Virgenes Road (Santa Monica Mountains, Malibu Creek drainage); Santa Monica Mountains, Malibu Creek drainage 274 Comment
  RSA0022649  Collinsia heterophylla Justin M. Wood 2012-3-20 4646 Los Angeles San Dimas. San Jose Hills: Walnut Creek Canyon, +/- 0.5 mi NW of Puddingstone Reservoir, +/- 0.25 mi E of SR-57, just north of San Dimas Ave. and just S. of Cliffside Dr. 229 Comment
  UC216146  Collinsia heterophylla A. Davidson, M. D. May 1921 3453 Los Angeles Pacoima Canyon Comment
  RSA0117373  Collinsia parryi Scott D. White, Justin M. Wood 2009-5-6 12667 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  RSA0117333  Collinsia parryi Geo. L. Moxley 1925-4-26 s.n. Los Angeles Arroyo Seco. Comment
  RSA0117335  Collinsia parryi Louis C. Wheeler 1936-6-1 4113 Los Angeles Tan Bark Flat, San Dimas Canyon, San Gabriel Mts. 853 Comment
  SFV16410  Colutea arborescens J. H. Nishida, R. L. Allen, V. Coleman 1991-8-10 s. n. Los Angeles San Gabriel Mountains Bear Divide off of Little Tujunga Canyon. At west-bound entrance. 793 Comment
  UCR147612  Colutea arborescens Naomi Fraga, B. Hogshead 2004-4-23 1101 Los Angeles Transverse Ranges; San Gabriel Mountains, along the lower part of Josephine Peak Road near its intersection with Angeles Forest Hwy 1098 Comment
  RSA127785  Conium maculatum P. H. Raven, Henry J. Thompson 1959-6-4 14345 Los Angeles Point Dume Comment
  SD92007  Constancea nevinii Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-22 22671 Los Angeles East side 1 mile south of Wilson's Cove. 35 Comment
  RSA394791  Convolvulus arvensis Robert Gustafson 1980-8-29 1886 Los Angeles Ballona Wetlands, Area 3. Comment
  POM355844  Conyza canadensis Anstruther Davidson s.n. Los Angeles E. Los Angeles. Comment
  RSA118800  Conyza canadensis S. Carlquist 1958-8-30 619 Los Angeles Weed in field, Foothill Blvd at W City limits of Claremont. Comment
  RSA0084702  Cordylanthus nevinii R. G. Swinney 2009-7-29 11426 Los Angeles Pacifico Mountain summit. 2134 Comment
  LA34799  Cordylanthus rigidus subsp. setiger Kei Nakai; 1976-7-7 TCSP - 21 -76 Los Angeles 396 Comment
  LA97399  Cordylanthus rigidus subsp. setiger Kei Nakai; 1976-7-7 TCSP 2 21 76 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon State Park, ca 0.5 mi due N from the windmill. Comment
  RSA82050  Cordylanthus rigidus subsp. setiger F. W. Peirson 1924-7-11 5396 Los Angeles Mt. Washburn trail near Switzers Camp. 1037 Comment
  POM356049  Coreopsis bigelovii I. W. Clokey, B. C. Templeton 1929-03 4520 Los Angeles Mandeville Canyon. 350 Comment
  POM356048  Coreopsis californica var. californica L. C. Wheeler 1933-4-16 1646 Los Angeles San Gabriel Mountains: Liveoak Canyon. 426 Comment
  CAS-BOT-BC105704  Corethrogyne filaginifolia Fordyce Grinnell 1915-9-4 s.n. Los Angeles San Gabriel Mts., upper Arroyo Seco Canyon [Canon] Comment
  POM356201  Corethrogyne filaginifolia L. E. Hoffman 1931-11-16 s.n. Los Angeles Malibu Creek Comment
  UC895239  Corethrogyne filaginifolia Carl B. Wolf 1932-10-6 4244 Los Angeles w side Avalon; Santa Catalina Island 60 Comment
  UCD130835  Corethrogyne filaginifolia F. R. Fosberg 1931-7-11 S 5375 Los Angeles Middle Ranch Canyon at the mouth of Cape Canyon, Santa Catalina Island. 200 Comment
  RSA6204  Cornus glabrata C. B. Wolf 1932-10-4 1582 Los Angeles Left fork of Hamilton Canyon 200 ft. above forks. Comment
  SBBG108952  Cotula australis S. A. Junak 1997-2-25 SCl 724 Los Angeles Wilson Cove, along rd curb on S side of Admin Drive, just W of First Ave, directly across street from entrance to galley 45 Comment
  CAS-BOT-BC427582  Crassula aquatica Robert F. Thorne; D. Propst 1968-5-29 37696 Los Angeles Santa Catalina Island: margin of S end of Hay Press Reservoir 403 Comment
  RSA600787  Crassula tillaea L. C. Wheeler 1948-4-26 6634 Los Angeles Altadena. Oak Grove Park, Devil's Gate Dam. 305 Comment
  RSA394752A  Cressa truxillensis F. R. Fosberg 1930-6-23 S- 2954 Los Angeles Del Rey. 0 Comment
  SBBG78596  Crocanthemum scoparium var. vulgare F. R. Fosberg 1932-5-7 8157 Los Angeles Hay Press [Haypress] 230 Comment
  RSA167826  Crossosoma californicum R. F. Thorne 1964-2-6 33297 Los Angeles Santa Catalina Island above Fourth of July Cove. 30 Comment
  RSA602306  Croton californicus L. C. Wheeler 1946-12-14 6451 Los Angeles San Gabriel Mountains: San Dimas Canyon; ca. 1/4 mile upstream from dam. Comment
  UC56921  Croton californicus Ernest Braunton 1902-5-25 283 Los Angeles Redondo Comment
  UCR259274  Croton californicus R. G. Swinney 2010-5-4 12515 Los Angeles San Gabriel Mountains, north of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park 457 Comment
  CAS-BOT-BC189388  Cryptantha circumscissa Robert F. Thorne; C. W. Tilforth 1973-4-20 43104 Los Angeles San Gabriel Mountains, Mojave desert slope, San Bernardino National Forest: Mormon Rocks and Cajon Canyon 1036 Comment
  CAS-BOT-BC189392  Cryptantha circumscissa Ira L. Wiggins 1966-4-23 20627 Los Angeles Along E side of 145 Street E, between Palmdale Boulevard and Avenue O, N of Pearblossom. Mohave [Mojave] Desert Comment
  CAS-BOT-BC189393  Cryptantha circumscissa R. J. Dobbs 1924-7-16 s.n. Los Angeles Slope of Mount Pacifico, San Gabriel Mountains, about 18 miles NE of Pasadena 1981 Comment
  UCR51029  Cryptantha circumscissa A. C. Sanders, E. J. Lawlor 1988-4-3 7734 Los Angeles Southern Mojave Desert, 1.3 mi. NW of the San Bernardino County line on Hwy 138, c. 2 mi. NW of Pinyon Hills. 1159 Comment
  RSA587125  Cryptantha clokeyi Orlando Mistretta, Steve D. Boyd 1995-5-23 1733 Los Angeles Bare Mountain canyon. Slopes on E side of main drainage. 1357 Comment
  UCR222787  Cryptantha echinella R. G. Swinney 2009-4-28 10557 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  JEPS67646  Cryptantha intermedia W. L. Jepson 1939-4-21 19220 Los Angeles San Fernando Comment
  LA209957  Cryptantha intermedia Henry J. Thompson; 1960-5-14 3062 Los Angeles Santa Monica Mountains, Saddle Peak, 0.5 mi E of peak 701 Comment
  LA94302  Cryptantha intermedia Carl Epling; L. Ellison 1929-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  UC78690  Cryptantha intermedia T. S. Brandegee 1890-5-16 Los Angeles Santa Catalina Island Comment
  RSA0016893  Cryptantha intermedia F. L. Robinson 1921-4-15 9 Los Angeles Claremont. 365 Comment
  RSA561576  Cryptantha intermedia Steve Boyd, Orlando Mistretta 1993-5-17 8145 Los Angeles north of sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Ridge on west side of Sombrero Canyon at the western edge of the forest 793 Comment
  RSA651002  Cryptantha intermedia G. Foster 1961-5-18 s.n. Los Angeles Little Dalton Canyon, [Angeles] Natl. Forest. Comment
  RSA0016891  Cryptantha intermedia var. johnstonii D. L. Crawford, H. D. Hiatt 1916-3-28 257 Los Angeles Santa Monica Mts, Topanga Canyon. Comment
  SBBG113126  Cryptantha maritima S. A. Junak with M. L. Hoefs, S. Crockett 1997-3-27 SCa 372 Los Angeles above W end of beach at Little Harbor 12 Comment
  RSA683173  Cryptantha micromeres LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1077 Los Angeles North side of mountains: South of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway. 556 Comment
  CHSC95870  Cryptantha microstachys LeRoy Gross 2001-5-6 384 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Along trail that comes up from Morning Glow Way off of La Tuna Canyon Rd. city of Sun Valley. Comment
  IRVC28845  Cryptantha microstachys Mark A. Elvin, Cathleen Weigand 2003-4-8 2464 Los Angeles Newhall Ranch Commerce Center, ridge between Hasley and Castaic Creeks Santa Clarita Valley 351 Comment
  RSA626510  Cryptantha microstachys Scott D. White 1998-6-10 6712 Los Angeles San Antonio Canyon: About 1.5 air miles north of San Antonio Dam. Shinn Rd. (=Mountain Ave.) bridge over San Antonio Creek, immediately west of USFS San Antonio Fire Station. 762 Comment
  UCR177284  Cryptantha microstachys Scott D. White, Michael Honer 2003-5-7 9217 Los Angeles Liebre Mountains, Tapia Canyon, c. 2 air mi east of the Hwy 5 junction with 'Old Ridge Route 457 Comment
  RSA773808  Cryptantha muricata R. G. Swinney 2009-6-17 11187 Los Angeles San Gabriel Mtns.: Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  SFV16882  Cryptantha muricata J. N. Hogue, B. Houck, B. Kanno 1997-6-18 84 .9 Los Angeles San Gabriel Mountains Gleason Canyon, near Mount Gleason. Roadside. 1700 Comment
  UC1584216  Cryptantha muricata Tim Ross and Steve Boyd 1990-5-17 2582 Los Angeles Mill Creek Tree Plantation San Gabriel Mts., Angeles National Forest,, Tujunga District 1612 Comment
  UCR108218  Cryptantha muricata L. C. Wheeler 1967-5-18 9610 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  UC551847  Cryptantha muricata F. R. Fosberg 1932-6-8 10632 Los Angeles Head of Lone Pine Canyon San Gabriel Mts. 1875 Comment
  RSA0079198  Cryptantha muricata var. denticulata Helen E. Sweet, West, E. Crow 1930-7-12 s.n. Los Angeles Above Pine Flats, San Gabriel Mts. Comment
  RSA0079623  Cryptantha muricata var. muricata T. S. Ross 1993-5-16 7157 Los Angeles Upper Monroe Road; ridgetop hillock on the divide between Persinger, Horse, and Little Dalton Canyons; ca 850-930 m NW of Horse Canyon Saddle. 1024 Comment
  RSA0079625  Cryptantha muricata var. muricata Fordyce Grinnell Jr. 1911-06 s.n. Los Angeles Mt. Wilson, San Gabriel Mtns. Comment
  RSA0060774  Cryptantha oxygona LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6816 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  SD241778  Cryptantha pterocarya var. pterocarya R. G. Swinney 2009-5-12 10719 Los Angeles Transverse Range; San Gabriel Mtns.: Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge. 1435 Comment
  RSA729866  Cryptantha similis R. G. Swinney 1999-6-5 7261 Los Angeles San Gabriel Mtns.: east side of Big John Peak, west of Mescal Creek above Big John Flat. 1780 Comment
  UCR155376  Cuscuta californica A. C. Sanders, T. B. Salvato 2005-5-24 30270 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, c. 0.5 mi. NW of community of Mint Canyon 610 Comment
  UC750614  Cuscuta californica Lewis S. Rose 1946-7-21 46235 Los Angeles s slope Cahuenga Peak 304 Comment
  RSA746562  Cuscuta californica var. californica Orlando Mistretta 1992-8-17 749 Los Angeles Haines Canyon Trail, Tujunga Ranger District. Comment
  RSA71002  Cuscuta ceanothi F. W. Peirson 1924-10-26 5261 Los Angeles Arroyo Seco, about 0.5 mile below California Street, Pasadena, 198 Comment
  RSA550694  Cuscuta indecora T. S. Ross, Annette H. Ross 1991-7-29 5705 Los Angeles Elephant Hill: N-most point of the Puente Hills, W Pomona. 229 Comment
  UCR101744  Cuscuta indecora var. indecora L. C. Wheeler 1946-8-20 6226 Los Angeles 1 mi. north of Covina. 175 Comment
  CATA302  Cuscuta occidentalis Mark L. Hoefs 1973-6-5 322 Los Angeles Santa Catalina Island: By upper White's Landing Road 426 Comment
  UCR205952  Cuscuta subinclusa A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37077 Los Angeles San Gabriel Valley, Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery 63 Comment
  UCR192865  Cycladenia humilis R. G. Swinney 1999-8-9 7604 Los Angeles San Gabriel Mtns., Big Horn Ridge, c. 1.5 mi SW of West Baldy peak of Mt. San Antonio 2402 Comment
  UCR48836  Cyclospermum leptophyllum David Charlton 1987-6-15 1080 Los Angeles Lomita, Alexander Fleming Jr. High School, near Walnut Street and 256th St. Nearest main streets are Pacific Coast Hwy and Western Ave. 15 Comment
  RSA0059449  Cylindropuntia echinocarpa Steve Boyd, Lauren Raz 1996-10-14 9056 Los Angeles Liebre Mountains region, near the head of Soledad Canyon, just north of the confluence of Kentucky Springs Canyon, strip of undeveloped land between Sierra Highway and Highway 14, just west of Vincent Fire Station. 939 Comment
  CATA839  Cynodon dactylon Mark L. Hoefs 1991-6-26 1439 Los Angeles Santa Catalina Island: Upper Cape Canyon at Cape Canyon Reservoir 390 Comment
  POM307837  Cynodon dactylon Henry J. Ramsey, Henry J. Ramsey 1938-1-9 2764 Los Angeles Altadena. Comment
  RSA535714  Cynodon dactylon Timothy S. Ross 1991-5-22 5457 Los Angeles San Clemente Island: Spray Canyon; short canyon 2400 feet ENE of Spray (which in turn is 5200 feet N of Eel Point), W side of island. 53 Comment
  CAS-BOT-BC114759  Cyperus alternifolius Louis C. Wheeler 1933-10-7 2170 Los Angeles Liveoak Canyon, San Gabriel Mts. 487 Comment
  UCR101229  Cyperus difformis L. C. Wheeler 1946-9-8 6352 Los Angeles San Gabriel Mtns., West fork of San Gabriel River, 0.5 - 0.75 mi west of Bear Creek, S side 534 Comment
  UCR172291  Cyperus esculentus Anuja Parikh, Nathan Gale 2005-7-11 2137 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
  UCR258690  Cyperus involucratus R. G. Swinney 2010-3-16 11919 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  POM186913  Cyperus involucratus L. C. Wheeler 1933-10-7 2170 Los Angeles Live Oak Canyon 686 Comment
  RSA656258  Cyperus involucratus Yvonne Younger 1977-3-10 2 Los Angeles Verdugo Mountains: By vacant lot, disturbed area, 1210 Cresthaven Drive, Pasadena-Eagle Rock. 259 Comment
  CAS-BOT-BC113959  Cyperus odoratus Ellsworth Bethel 1915-8-1 s.n. Los Angeles Long Beach Comment
  RSA616714  Cystopteris fragilis L. C. Wheeler 1968-6-1 s.n. Los Angeles San Gabriel Mtns.: Chilao Creek headwaters. 1798 Comment
  POM623788  Dactylis glomerata Kathleen J. Wilder 1991-5-11 77 Los Angeles Mt. Fiji on Occidental Campus near rugby field. 244 Comment
  CHSC95790  Datisca glomerata LeRoy Gross; Naomi Fraga, Steve Williams 2002-7-17 555 Los Angeles Transverse Ranges: Verdugo Mountains Region: North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road. 425 Comment
  UCR210026  Datisca glomerata R. G. Swinney 2008-7-16 9263 Los Angeles San Gabriel Mtns., Little Rock Creek Canyon, 1.7 mi. south of Burkhart Saddle along the Burkhart Trail, at stream crossing 1793 Comment
  RSA215030  Datisca glomerata Christopher Davidson 1969-6-30 1002 Los Angeles Topanga Canyon, just past jct. in Topanga Village, in sand along Carapito Cr. Assoc. 192 Comment
  RSA421876  Datura wrightii M. B. Dunkle 1933-9-30 3820 Los Angeles Long Beach. Comment
  SD28065  Daucus pusillus Carl B. Wolf 1932-5-10 3526 Los Angeles Santa Catalina Island; along the equestrian trail, back of Avalon. 259 Comment
  UC1215240  Deinandra clementina Peter H. Raven 1962-4-9 17152 Los Angeles near barracks, Wilson Cove San Clemente Island, Wilson Cove 60 Comment
  UC174175 Image available Deinandra clementina T. S. Brandegee 1894-8-25 Los Angeles San Clemente Island Comment
  CAS-BOT-BC299265  Deinandra fasciculata A. C. Sanders; D. Malueg 2001-5-17 24342 Los Angeles Montebello Hills in Montebello, 11 acre gas company property at SW corner of Jefferson Blvd. and Montebello Blvd., being decommissioned, El Monte 7.5' Q., Los Angeles Basin 121 Comment
  UC68893  Deinandra fasciculata H. M. Hall 1905-6-1 6256 Los Angeles San Francisquito Canyon Comment
  UC1980265  Deinandra minthornii Naomi Fraga, Duncan Bell 2009-10-15 3158 Los Angeles Transverse Ranges; Santa Susana Mountains region: Simi Hills. North slope of Simi Peak. Comment
  UCD131160  Deinandra minthornii Daryl Koutnik; William Balch, Bruce Holguin 1979-12-31 594 Los Angeles Charmlee Regional Park, about one mile southwest of Enicinal Canyon Road. 243 Comment
  RSA394504  Delphinium cardinale I. W. Clokey, Bonnie C. Templeton 1929-08 4601 Los Angeles Mandeville Canyon. 300 Comment
  CAS-BOT-BC7969  Delphinium parishii subsp. parishii R. S. Woglum 1935-5-6 730 Los Angeles Palmdale Comment
  RSA0033835  Delphinium parishii subsp. parishii Robert F. Thorne, M. Z. Thorne 1969-7-10 38433 Los Angeles San Gabriel Mts; Angeles National Forest; 1.5 miles W of Wrightwood. 1951 Comment
  SD69556  Delphinium parryi Robert F. Thorne, M. Z. Thorne 1966-6-2 36531 Los Angeles Santa Catalinabase of slope, Hay Press area 1399 Comment
  UCSB49071  Delphinium parryi Lestak, Leanne 1978-4-1 Los Angeles Heading south on Kanan Road, turn right on Triunfo Canyon Road; About 2 miles down road on south side of road; 20 ft. off road 297 Comment
  CAS-BOT-BC116284  Delphinium parryi subsp. parryi Louis C. Wheeler 1932-5-1 674 Los Angeles 3 mi. N Claremont 518 Comment
  POM306313  Delphinium parryi subsp. parryi Henry J. Ramsey 1938-5-22 1383 Los Angeles Eaton Canyon Park, Altadena. Comment
  RSA609134  Delphinium parryi subsp. parryi Louis C. Wheeler 1931-4-27 s.n. Los Angeles 1/4 mile W Thompson Creek Dam. 503 Comment
  LA52166  Delphinium patens subsp. hepaticoideum J. A. Ewan; 1929-5-4 8463 Los Angeles Comment
  RSA400027  Delphinium patens subsp. hepaticoideum Donald R. Bissing 1973-6-2 110 Los Angeles Evey Canyon, San Gabriel Mountains. 0.6 miles from mouth of canyon. 756 Comment
  RSA783864  Delphinium variegatum subsp. thornei Bart O'Brien, Jason Koontz, Emma Havstad 2012-4-24 2012 -37 Los Angeles San Clemente Island. China Canyon. 375 Comment
  UC592910  Dendromecon harfordii Carl B. Wolf 1932-10-5 4227 Los Angeles 1/3 mi from Black Jack Mine (on road to Middle Ranch); Santa Catalina Island 457 Comment
  RSA600779  Dendromecon rigida Louis C. Wheeler 1962-6-30 8156 Los Angeles San Gabriel Mountains. Pacoima Canyon at Bad Canyon. 976 Comment
  RSA654019  Dendromecon rigida Valerie L. Soza, Laura Moore 2000-5-10 843 b 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. 579 Comment
  CAS-BOT-BC192749  Deschampsia danthonioides Victor Duran 1933-7-9 3507 Los Angeles Horse Flats, San Gabriel Mts. 1676 Comment
  SEINET179627 Image available Deschampsia danthonioides V. Duran 1933-7-9 3507 Los Angeles Horse Flats San Gabriel Mountains 1676 Comment
  CATA3303  Descurainia pinnata Amy Catalano, Jen Dreizehn 2017-3-16 020 Los Angeles Santa Catalina Island: Near top of trail on slope leading from end of Rippers Cove Rd. to shore 14 Comment
  LA51494  Descurainia pinnata O. H. Kappler; 1944-3-26 556 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  SEINET7063083  Descurainia pinnata A. G. Vestal 1963-5-22 s.n. Los Angeles In the San Gabriel Mountains southeast of Palmdale. UTM Zone 11, 400840mE, 3822562mN. (WGS84/NAD83). 876 Comment
  UC857338  Descurainia pinnata I. W. Clokey and B. C. Templeton 1930-4-8 4658 Los Angeles w of Lancaster 400 Comment
  UCR147691  Descurainia pinnata Steve Boyd, Amber Maurice 2004-5-18 11312 Los Angeles Transverse Ranges; Liebre Mountains region, Atmore Meadows area Comment
  UC1234805  Desmazeria rigida Peter H. Raven 1962-5-22 17826 Los Angeles Santa Catalina Island, near mouth of Cherry Canyon Cherry Canyon; Santa Catalina Island, Cherry Canyon 60 Comment
  RSA433590  Dicentra chrysantha Anstruther Davidson 1893-6-12 s.n. Los Angeles Switzer's Trail. Comment
  SD44661  Dicentra ochroleuca Darley F. Howe 1951-4-6 2084 Los Angeles Decker Mulholland Road, ca., 5.0 miles northwest of Malibu, Santa Monica Mountains. 395 Comment
  RSA771576  Dichelostemma capitatum Richard G. Swinney 2009-6-2 11016 Los Angeles Horse Flats, 1 air mile NNW of Newcombs Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  SEINET13276689 Image available Dichelostemma capitatum R. G. Swinney 2011-1 15243 Los Angeles San Gabriel Mountains: Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy (Waterman Mt. 7.5' Q.) 1780 Comment
  UC1584728  Dichelostemma capitatum Tim Ross and Annette Ross 1991-3-7 4148 Los Angeles Elephant Hill, w Pomona Pomona, San Dimas USGS 7.5' Quad. 300 Comment
  SDSU11628  Dichelostemma capitatum R. M. Beauchamp 1967-1-27 104 Los Angeles Common on grassy slope east of Wilson Cove area. Only old infls. present. San Clemente Island Comment
  RSA304267  Dichelostemma capitatum subsp. capitatum James R. Shevock 1970-3-14 30 Los Angeles Claremont Foothills 464 Comment
  RSA376828  Dichelostemma capitatum subsp. capitatum M. B. Dunkle 1939-4-4 s.n. Los Angeles San Clemente Island. Comment
  RSA376829  Dichelostemma capitatum subsp. capitatum F. H. Elmore 1939-11-26 1 Los Angeles San Clemente Island. Pyramid Cove. Comment
  UCSB41666  Dichelostemma capitatum subsp. capitatum Warren, Linette 1982-4-17 Los Angeles 900 feet up dirt road off Browns Canyon Road; 0.5 miles north of its junction with Simi Valley Fwy.; Browns Canyon; Chatsworth 365 Comment
  SEINET10627573  Diospyros kaki Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2610 Los Angeles City of San Gabriel. Mitsuwa-Yaohan Market, 515 W. Las Tunas. Comment
  SD124540  Diplacus brevipes J. Sauer 1980-4-26 6088 Los Angeles West end San Gabriel Mountains: Placerita Canyon Comment
  OBI2798  Diplacus fremontii J. Benedict 1967-5-13 130 Los Angeles Big Pines hwy 3 mi N of Valermo. San Gabriel Mts 1524 Comment
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Jul 30 2014
  UCR99442  Diplotaxis tenuifolia L. C. Wheeler 1945-8-26 6099 Los Angeles Alhambra; W Main St. Comment
  CDA3679  Diplotaxis tenuifolia G. C. Fleischman 1955-6-22 Los Angeles Pasadena Freeway. 0 Comment
  RSA594532  Diplotaxis tenuifolia L. C. Wheeler 1969-12-24 s.n. Los Angeles Pasadena. South Arroyo Parkway, near Del Mar. Comment
  CATA1328  Distichlis spicata Mark L. Hoefs, Robert F. Thorne, Janet Takara 1995-7-25 2429 Los Angeles Santa Catalina Island: Lower Buffalo Springs Reservoir 426 Comment
  RSA749655  Distichlis spicata R. G. Swinney 2005-8-5 8363 Los Angeles Caldwell Lake at Mile High, 0.4 mi. west of jct. of 204th St. East and Big Pines Hwy 1561 Comment
  SD72760  Distichlis spicata F. R. Fosberg 1931-4-29 S 4726 Los Angeles Cottonwood Canyon, Santa Catalina Island, on flat 2 Comment
  RSA0087133  Distichlis spicata M. B. Dunkle 1939-4-7 7331 Los Angeles San Clemente Island. Pyramid Cove. Comment
  RSA666729  Distictis buccinatoria A. C. Sanders, D. Malueg 2001-5-17 24320 Los Angeles Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned. 122 Comment
  UC118031  Dithyrea maritima Ernest Braunton 1903-4-1 876 Los Angeles Playa del Rey near Los Angeles Comment
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Apr 25 2016
  JEPS57642  Dodecahema leptoceras Frank W. Peirson 1921-6-21 2455 Los Angeles West Fork San Gabriel River San Gabriel Mountains 640 Comment
  CHSC1392  Dodecatheon clevelandii subsp. clevelandii Sonia R. Westerberg 1938-5-1 Los Angeles San Gabriel Mts. Comment
  POM3603  Dodecatheon clevelandii subsp. clevelandii I. M. Johnston 1917-1-28 Cf. 13783 Los Angeles Mouth of San Antonio Canyon Comment
  RSA639731  Dodecatheon clevelandii subsp. clevelandii Louis C. Wheeler 1969-4-1 s.n. Los Angeles San Gabriel Mountains: Ridge east of Ham Canyon. 755 Comment
  UC57084  Dodecatheon clevelandii subsp. clevelandii R. D. Williams 1902-3-17 Los Angeles Claremont foothills 609 Comment
  SD66877  Dodecatheon clevelandii subsp. insulare R. Mitchell Beauchamp 1967-3-20 357 Los Angeles open slope above beach road south of Avalon, Santa Catalina Island Comment
  UCR3770  Dodecatheon clevelandii subsp. insulare O. F. Clarke, B. T. Gittins, D. Kucera & So. Cal. Botanists Fld. Trip 1968-2-25 s.n. Los Angeles Channel Islands, Santa Catalina Island, within 0.5 mile of the U.S.C. Marine Sciences Station at the isthmus on the N end of the island 213 Comment
  UCR14466  Dodecatheon redolens George K. Helmkamp 1974-6-2 s.n. Los Angeles San Gabriel Mtns, near summit of Calif. Hwy 39 2012 Comment
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Nov 29 2010
  CATA162  Dryopteris arguta Mark L. Hoefs, A. Douglas Propst 1973-3-14 123 Los Angeles Santa Catalina Island: Cape Canyon 243 Comment
  LA91444  Dryopteris arguta Bruce Douglas Clayton; Greg Shaw 1972-4-1 45 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, Mountain Park Research Campus, Shovel Spring. 502 Comment
  UCR137600  Dryopteris arguta R. G. Swinney 1989-11-24 1480 Los Angeles San Gabriel Mtns, in and near Glendora Wilderness Park, Big Dalton Canyon, mouth of 'Water Pipe Canyon' [=Pavil Cyn] 457 Comment
  CAS-BOT-BC67945  Dryopteris arguta George L. Moxley 1909-6-15 s.n. Los Angeles Wilson's Trail, Little Santa Ana Canyon Comment
  CAS-BOT-BC33280  Dudleya cymosa subsp. agourensis Kei M. Nakai 1980-5-25 606 Los Angeles Santa Monica Mountains, 0.4 km N of the junction of Agoura Rd and Cornell Rd. on Cornell Rd 275 Comment
  RSA423502A  Dudleya cymosa subsp. pumila L. E. Hoffman 1929-6-23 s.n. Los Angeles Mouth [of] Pacoima Canyon. San Gabriel Mountains, Angeles Forest. Comment
  RSA423509  Dudleya cymosa subsp. pumila L. E. Hoffman 1931-5-18 s.n. Los Angeles Big Santa Anita Canyon. Comment
  UC115207  Dudleya cymosa subsp. pumila A. J. McClatchie 1896-5-25 Los Angeles San Gabriel Mtns Comment
  UC212663  Dudleya cymosa subsp. pumila I. M. Johnston 1917-6-15 Los Angeles w end Ontario Peak; San Antonio Mtns 1828 Comment
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May 13 2016
  RSA653911  Dudleya lanceolata Valerie L. Soza, LeRoy Gross, Adelina Munoz 2000-5-12 896 Los Angeles Verdugo Mountains, northwest side: Northwestern end of Verdugo Crestline Drive from New Home Avenue, Sunland. Ridge east of 210 Fwy and west of fire road, south (above) water tank. 488 Comment
  UC2059993  Dudleya lanceolata K. Nakai 1978-5-4 376 Los Angeles Santa Monica Mountains, Santa Ynez Canyon. Comment
  UCD101922  Dudleya lanceolata Daryl Koutnik 1975-5-24 s.n. Los Angeles Gleason Canyon, San Gabriel Mountains. Comment
  UCR255783  Dudleya pulverulenta R. G. Swinney 2010-4-15 12272 Los Angeles San Gabriel Mountains, Upper Lime Kiln Cyn., 1.2-1.5 miles east of Pacoima Wash, 0.3 to 0.6 miles NE of Limekiln Cyn. fork, due south of Kagel Mt. 854 Comment
  SDSU5749  Dudleya virens Jim Dice, Michael Donoghue & Terry Martin 1983-5-20 349 Los Angeles Santa Catalina Island, on bluff 0.1 km. east ofbeach at Little Harbor. 23 Comment
  UCR210684  Dysphania ambrosioides R. G. Swinney 2008-10-22 9670 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon, 0.5 mi. upstream from entrance of Old San Gabriel Canyon Rd. at El Encanto 244 Comment
  UCR223490  Echinodorus berteroi R. G. Swinney 2009-7-1 11295 Los Angeles Transverse Range; San Gabriel Mtns., Puddingstone Diversion Dam, San Dimas Canyon 354 Comment
  POM211778  Eclipta prostrata L. C. Wheeler 1933-9-25 2122 Los Angeles San Jose Hills: Puddingstone Dam 274 Comment
  UCSB421  Ehrharta erecta Haller, John 1950-5-9 Los Angeles UCLA Botanical Garden Comment
  UCR156109  Elatine A. C. Sanders 2005-5-5 29886 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool 655 Comment
  SD237241  Eleocharis R. G. Swinney 2009-5-28 10924 Los Angeles Tansverse Range; San Gabriel Mtns.: Sulphur Springs Campground, South Fork of Little Rock Creek. 1584 Comment
  RSA0127375  Eleocharis montevidensis Louis C. Wheeler 1967-7-20 10131 Los Angeles Aliso Canyon. 1067 Comment
  POM211783  Eleocharis pachystyla L. C. Wheeler 1933-10-22 2192 Los Angeles San Gabriel Mountains, Crystal Lake 1707 Comment
  SBBG127042  Elymus X gouldii A. Parikh, N. Gale 2011-6-16 3475 Los Angeles Aliso Cyn, 1.5 km W of Angeles Forest Hwy, 0.1 km S of Aliso Cyn Rd; San Gabriel Mtns 1095 Comment
  RSA330753  Elymus glaucus subsp. glaucus Wayne E. Sawyer 1981-6-29 67 Los Angeles San Gabriel Mountains, Angeles National Forest: CA Hwy. 2 between Dawson Saddle and junction of CA Hwy. 39, 1.6 mile from Dawson Saddle. 2317 Comment
  RSA588962  Elymus glaucus subsp. glaucus Orlando Mistretta 1994-6-8 1342 Los Angeles Little Rock Creek: un-named drainage draining N slope of Bare Mountain. 1159 Comment
  RSA589145  Elymus glaucus subsp. jepsonii Orlando Mistretta 1994-5-13 1195 Los Angeles San Gabriel Mts; Little Rock Creek; slopes E of creek opposite confluence with Kitter Canyon 1067 Comment
  SBBG127367  Elymus lanceolatus subsp. lanceolatus A. Parikh, N. Gale 2011-7-7 3547 Los Angeles Barley Flats, 4.4 km W of Shortcut Station, 1 km N of St Hwy 2; San Gabriel Mtns 1705 Comment
  SBBG33431  Elymus multisetus A. D. E. Elmer -Jun-1902 3644 Los Angeles Acton Comment
  UCR277414  Elymus trachycaulus R. G. Swinney 2010-9-30 13910 Los Angeles San Gabriel Mountains, 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs 2290 Comment
  UC1595438  Emmenanthe penduliflora Tim Ross 1992-4-4 6065 Los Angeles Three Sisters: SW Mojave Desert, 1 mi SE of Black Butte, middle butte of Three Sisters 969 Comment
  UCR200036  Emmenanthe penduliflora var. penduliflora Valerie Soza, B. Hogshead 2003-4-23 1637 Los Angeles Transverse Ranges; Verdugo Mountains, Brand Park, Brand Canyon 457 Comment
  RSA226080  Encelia actoni R. F. Thorne, C. W. Tilforth 1971-6-17 39905 Los Angeles N slope of San Gabriel Mountains: near junction of Bee Canyon with Santa Clara River valley, 1.3 mi. E of junction of Antelope Valley Freeway with Soledad Canyon Road along latter. 549 Comment
  SD50739  Encelia actoni Darley F. Howe 1959-5-3 2718 Los Angeles 25 miles west of Lancaster. Comment
  CAS-BOT-BC131197  Encelia californica P. A. Munz; R. D. Harwood 1920-5-15 3936 Los Angeles Santa Monica Mts., Cold Water Canyon 304 Comment
  JEPS16886  Encelia californica Peter H. Raven 1956-6-17 9409 Los Angeles chapparral nw of Sunset Boulevard at Sepulveda Boulevard (on the slopes of the Santa Monica Mountains); Santa Monica Mountains Comment
  LA202461  Encelia californica Harlan Lewis; 1937-3-24 sn Los Angeles Santa Catalina Island, at the Isthmus Comment
  UCR219469  Encelia californica R. G. Swinney 2009-3-19 10141 Los Angeles San Gabriel Mtns. Foothills, Azusa, 0.7 mi. north of Sierra Madre Ave. on north side of San Gabriel River channel, c. 100 m north of Hwy 39 230 Comment
  SEINET7845922 Image available Encelia californica G. B. Grant 395 Los Angeles Pasadena Comment
  SEINET7845923 Image available Encelia californica J. H. Barber 1897-1-24 29 Los Angeles Santa Monica Forestry Station Comment
  RSA612105  Endolepis covillei Steve Boyd, Kent Hughes 1998-5-5 10184 Los Angeles Antelope Valley, along Highway 138 (West Avenue D), west of the junction with Highway 14, at intersection with 140th Street, ca. 4 miles southwest of Rosamond Dry Lake. 701 Comment
  CAS-BOT-BC81807  Ephedra nevadensis Louis C. Wheeler 1932-4-10 603 Los Angeles Palmdale, Mojave Desert 762 Comment
  RSA563981  Ephedra nevadensis D. Charlton 1992-5-18 s.n. Los Angeles 1 mile north of Redman on southern boundary of Edwards AFB, Western Mohave Desert. 716 Comment
  CAS-BOT-BC81967  Ephedra viridis James R. Shevock 1976-4-25 5022 Los Angeles along the trail to Devils Chair from South Fork Campground. San Gabriel Mts., Angeles National Forest 1371 Comment
  UCR182761  Epilobium R. G. Swinney 1997-7-23 5733 Los Angeles San Gabriel Mtns, upper Government Canyon, c. 2 miles west of Wrightwood, Blue Ridge Mtn. area 2378 Comment
  UCR190130  Epilobium R. G. Swinney 1998-9-7 6937 Los Angeles San Gabriel Mtns., Dawson Peak Ridge Trail at far NE tributary of upper Fish Fork San Gabriel River, 1.3 mi. west of Dawson Peak 2524 Comment
  OBI69362  Epilobium canum John Knapp, Denise Knapp 2002-11-27 17 Los Angeles Santa Catalina Island 61 Comment
  UCR132295  Epilobium canum John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one 381 Comment
  POM156150  Epilobium canum subsp. canum L. R. Abrams 1904-9-2 4179 Los Angeles Los Angeles River. Comment
  POM37819  Epilobium canum subsp. canum Marcus E. Jones 1902-6-27 s.n. Los Angeles Santa Catalina Island. Comment
  RSA592651  Epilobium canum subsp. canum Mark Hoefs 1973-7-20 393 Los Angeles Santa Catalina Island: by main road, at Little Harbor. 5 Comment
  UC56482  Epilobium canum subsp. canum Miss E. D. Palmer Nov. 1901 Los Angeles Los Angeles Comment
  RSA230263  Epilobium canum subsp. latifolium Robert F. Thorne 1969-7-2 38303 Los Angeles San Gabriel Mountains, Angeles National Forest: Angeles Crest Highway, 3.2 miles WSW of Cloudburst Summit. 1982 Comment
  UC55380  Epilobium canum subsp. latifolium J. H. Barber 1897-7-11 252 Los Angeles Mt. Gleason Summit Comment
  CAS-BOT-BC171918  Epilobium canum subsp. latifolium Peter H. Raven; Henry J. Thompson 1958-10-11 13746 Los Angeles Las Tunas Canyuon near Coast Highway, Santa Monica Mountains 152 Comment
  UCR256452  Epilobium ciliatum R. G. Swinney 2010-9-9 13771 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
  POM145760  Epilobium ciliatum subsp. ciliatum Thomas Craig 1927-6-19 497 Los Angeles 10 miles west of Ravenna. Comment
  RSA547807  Epilobium ciliatum subsp. ciliatum Tim S. Ross, Peter Fritsch 1990-6-20 3617 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
  RSA586816  Epilobium ciliatum subsp. ciliatum Orlando Mistretta, Steve D. Boyd 1994-6-21 1383 Los Angeles San Gabriel Mountains, Santiago canyon, drainage northwest of Pacifico Mountain. 1646 Comment
  RSA0034303  Epilobium ciliatum subsp. glandulosum Orlando Mistretta 1990-7-2 s.n. Los Angeles Bear Flat 1746 Comment
  RSA783585  Epipactis gigantea Michael Wall, Shawn Overstreet 2011-5-2 602 Los Angeles East road side of Hwy 39 near mile marker 17.43 in lower San Gabriel Canyon just north of Azusa 253 Comment
  UCR133621  Epipactis gigantea I. W. Clokey 1935-4-29 6560 Los Angeles San Gabriel Mtns., San Gabriel Canyon Comment
  CAS-BOT-BC57174  Equisetum hyemale subsp. affine 1904-1-1 s.n. Los Angeles unspecified Comment
  RSA640643  Equisetum hyemale var. affine L. C. Wheeler 1966-10-1 8937 Los Angeles San Gabriel Mountains: Millie's Orchard, lower Colby Ranch, Coldwater Canyon 1006 Comment
  RSA684666  Equisetum hyemale var. affine Geo C. Johnstone 1925-4-10 s.n. Los Angeles Mount Lowe Comment
  SBBG77005  Equisetum laevigatum F. R. Fosberg 1931-4-15 R 90 Los Angeles Eagles Nest, Middle Ranch Cyn 180 Comment
  CAS-BOT-BC57758  Equisetum telmateia Louis C. Wheeler 1932-6-13 809 Los Angeles At Los Feliz Blvd., Los Angeles River. 121 Comment
  RSA0036102  Equisetum telmateia Le Roy Abrams 1901-4-11 1464 Los Angeles Ballona Creek Comment
  RSA612922  Equisetum telmateia var. braunii L. C. Wheeler 1931-8-27 29 Los Angeles San Dimas Canyon, San Gabriel Mts. 381 Comment
  UCR143294  Eragrostis orcuttiana L. C. Wheeler 1931-9-1 47 Los Angeles Transverse Ranges; San Gabriel Mountains region, Citrus grove 2 miles north of Claremont 412 Comment
  RSA680166  Eremalche exilis Scott D. White 2003-6-8 9517 Los Angeles Near Lake Los Angeles. North of Avenue O and east of 150th St. E. 802 Comment
  CAS-BOT-BC174381  Eremogone macradenia var. arcuifolia Timothy S. Ross; Steve Boyd 1994-6-22 8022 Los Angeles N slope of Sawmill Mountain Complex: ca 825 m (air) WSW of Bushnell Summit 1335 Comment
  RSA0105891  Eriastrum densifolium subsp. austromontanum Frances Runyan 1973-6-13 71 Los Angeles Agua Dulce [Canyon rd.], along both sides of the road, near jct. of freeway 610 Comment
  RSA0104656  Eriastrum densifolium subsp. austromontanum Fordyce Grinnell Jr. 1917-7-29 s.n. Los Angeles Mt. Wilson; San Gabriel Mts. 1795 Comment
  RSA0105895  Eriastrum densifolium subsp. austromontanum Charles G. Schweitzer 1931-5-31 s.n. Los Angeles Soledad Canyon. Comment
  UCR231914  Eriastrum rosamondense Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-18 7993 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, 100 m west of Sierra Highway and 200 m south of Avenue A 703 Comment
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Mar 29 2014
  SD237547  Eriastrum sapphirinum subsp. brevibracteatum R. G. Swinney 2009-5-13 10771 Los Angeles Transverse Range: San Gabriel Mountains: upper Brainard Canyon, c. 2 miles south of Ft. Tejon Road, immediately NW of Cima Mesa, Juniper Hills (Juniper Hills 7.5'Q) 1121 Comment
  UCR281297  Eriastrum sapphirinum subsp. sapphirinum R. G. Swinney 2014-4-18 16120 Los Angeles San Gabriel Mountains, NE of Littlerock Dam, north end of Alimony Ridge, south side of Mt. Emma Rd., to 75 m south of road 976 Comment
  CAS-BOT-BC515037  Eriastrum sapphirinum subsp. sapphirinum Prof. W. R. Dudley 1907-11-22 s.n. Los Angeles Near Monrovia Comment
  UCR277221  Ericameria cooperi R. G. Swinney 2010-6-1 13171 Los Angeles San Gabriel Mountains, Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  UCR281662  Ericameria cooperi var. cooperi R. G. Swinney 2014-4-18 16139 Los Angeles San Gabriel Mountains, north end of Alimony Ridge, c. 50 m east of Little Rock Wash, south of Mt. Emma Rd. 957 Comment
  RSA773981  Ericameria cuneata R. G. Swinney 2009-7-22 11320 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 Comment
  RSA569930  Ericameria cuneata var. cuneata Wesley O. Griesel 1987-11-17 s.n. Los Angeles San Gabriel Mountains: Little Rock Creek, on the Pacific Crest Trail (PCT) W of Eagle's Roost Picnic Ground 1890 Comment
  RSA317010  Ericameria ericoides Thomas S. Elias, Walter Wisura 1984-7-27 8525 Los Angeles North of Malibu; Point Dume. Comment
  POM359348  Ericameria ericoides var. ericoides Richard Arnold 1984-8-10 1035 Los Angeles LAX Dunes, Playa del Rey (El Segundo Blue survey), Area V1. Comment
  POM359349  Ericameria ericoides var. ericoides Robert Gustafson 1981-3-18 2128 Los Angeles Ballona Wetlands, Area 1. Comment
  JEPS86575  Ericameria linearifolia Roy E. Buck 1988-4-9 887 Los Angeles 14 air km ese Pearblossom (s side of Antelope Valley, e of Largo Vista Rd., ca 3.1 rd mi s of CA Hwy. 138, ca 0.3 air km e of wash draining Grandview Canyon); Antelope Valley, Grandview Canyon 1280 Comment
  RSA568835  Ericameria linearifolia Roy R. Snelling 1977-4-18 2 Los Angeles 2 miles south of Pearblossom, 1067 Comment
  PASA1711  Ericameria monactis 1926-5-30 Los Angeles Mohave Desert Comment
  UCR277098  Ericameria nauseosa R. G. Swinney 2010-10-5 13996 Los Angeles San Gabriel Mountains, Placerita Canyon, 100 m east of Running Horse Rd. on south side of Placerita Canyon Rd. 524 Comment
  UCR259649  Ericameria nauseosa subsp. nauseosa R. G. Swinney 2010-9-7 13676 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
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Oct 12 2018
  CAS-BOT-BC298185  Ericameria nauseosa var. oreophila Louis C. Wheeler 1933-10-22 2190 Los Angeles Pine Flat, N Fork San Gabriel River, San Gabriel Mts 1676 Comment
  UCD131478  Ericameria nauseosa var. oreophila Gordon Pilone 1960-10-13 51 Los Angeles 3/4s mile north of Ranger Station in San Antonio Canyon on old road. San Gabriel Mountain range. 762 Comment
  UC55173  Ericameria palmeri var. pachylepis Ernest Braunton 1902-11-1 733 Los Angeles Oak Knoll Comment
  LA32041  Ericameria parishii Peter H. Raven; Henry J. Thompson 1959-10-31 14722 Los Angeles Santa Monica Mountains, Mandeville Canyon, 5.8(?) mi N of Sunset Blvd 365 Comment
  SJSU13640  Ericameria parishii var. parishii C. W. Sharsmith 1945-9-7 5472 Los Angeles near Mt Vetter Fire Lookout just west of Charleton (""Pine"") Flat, San Gabriel Mts 1524 Comment
  SEINET6081678  Ericameria parryi Unknown 1998-8-11 7054 Los Angeles San Gabriel Mountains. West of Mt. ISLIP. Just above eastern boundary of San Gabriel Wilderness. Ca 4-mi closed section of Hwy 39 from ca 1.6 mi west of junction. Crystal Lake access road to junction of Highway 2. Comment
  UC1118875  Ericameria pinifolia Jerome S. Horton 1936-10-14 416 Los Angeles San Dimas Lookout San Dimas Experimental Forest, Pomona Quad. 914 Comment
  SD52889  Erigeron bonariensis Peter H. Raven 1962-5-8 17616 Los Angeles San Clemente Island; in barracks area, Wilson Cove. 74 Comment
  RSA729881  Erigeron foliosus R. G. Swinney 1998-9-7 6928 Los Angeles Pine Mountain Ridege, c. 1 mi. west of summit of Pine Mountain. 2543 Comment
  CAS-BOT-BC296187  Erigeron foliosus var. foliosus Alice Eastwood 1928-6-15 15401 Los Angeles Claremont Comment
  POM357477  Erigeron foliosus var. stenophyllus Robert Gustafson 1978-6-21 1026 Los Angeles Lower Hungry Valley, near the Canada de Los Alamos, about 4 mi. south of Gorman. 915 Comment
  POM83857  Eriodictyon crassifolium var. crassifolium Marcus E. Jones 1882-2-25 s.n. Los Angeles Pasadena. Comment
  CAS-BOT-BC189149  Eriodictyon crassifolium var. nigrescens Timothy S. Ross; Steve Boyd 1994-5-25 7924 Los Angeles Necktie Basin, Hanging basin ca 470-830 meters W of Warm Springs Mountain summit, specimens collected from ca 600-800 meters WSW of summit 1075 Comment
  CAS-BOT-BC189167  Eriodictyon crassifolium var. nigrescens Dr. Barton W. Evermann 1916-5-16 s.n. Los Angeles Saugus Comment
  RSA0094359  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2011-5-31 14901 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  RSA570217  Eriodictyon crassifolium var. nigrescens Tim S. Ross 1991-4-30 5013 Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash. 841 Comment
  SD44543  Eriodictyon crassifolium var. nigrescens Kay H. Beach 1943-5-11 1743 Los Angeles San Gabriel Mts, upper part of Lewis Paul Canyon on Woods Trail Comment
  UCR269962  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-5-7 12570 Los Angeles San Gabriel Mountains, Lake View Terrace, ridge to the immediate west of Oliver Canyon, 0.8 air mile N of I-210 Fwy. 494 Comment
  CAS-BOT-BC222690  Eriodictyon trichocalyx Mrs. G. Earle Kelly 1917-9-1 s.n. Los Angeles Mt. Wilson Comment
  POM3877  Eriodictyon trichocalyx L W Case 1907-6-20 s.n. Los Angeles Claremont. 366 Comment
  UC697773  Eriodictyon trichocalyx Kay H. Beach 1943-6-14 1747 Los Angeles San Gabriel Mts. 1554 Comment
  RSA709374  Eriogonum angulosum A. C. Sanders, Mark A. Elvin 2002-8-26 25580 Los Angeles Western Transverse Range/Santa Clara River Watershed: Newhall Ranch, San Martinez Grande Canyon, north of Hwy 126, west side of canyon, WNW of Del Valle. 335 Comment
  UCR108219  Eriogonum angulosum Steve Boyd, Kent Hughes 1998-5-5 10186 Los Angeles West Mojave Desert, Antelope Valley, along Hwy 138 (West Ave. D), west of the junction with Hwy 14, at intersection with 140th Street, c. 4 mi. SW of Rosamond Dry Lake 701 Comment
  UCR127670  Eriogonum angulosum Mark A. Elvin, Kim Marsden 2003-8-8 2970 B Los Angeles Santa Clarita Valley, Newhall Ranch, SW face of Potrero Mesa 305 Comment
  SBBG61859  Eriogonum baileyi R. Hoffmann 1927-6-14 Los Angeles Palmdale Comment
  SBBG61891  Eriogonum baileyi P. A. Munz, I. M. Johnston 1928-9-4 11167 Los Angeles E of Palmdale 914 Comment
  RSA66044  Eriogonum baileyi var. baileyi Joseph A. Ewan, A. N. Dunn 1923-7-23 7824 Los Angeles San Gabriel Mountains: Tujunga Creek at Wickiup Canyon Junction 976 Comment
  SBBG61858  Eriogonum brachyanthum P. A. Munz, I. M. Johnston 1928-9-4 11166 Los Angeles ca. 2 mi E of Palmdale 1005 Comment
  CAS-BOT-BC241898  Eriogonum cinereum Carl Epling 1931-5-2 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon Comment
  RSA393133  Eriogonum cinereum C. M. Dammers 1933-10-28 s.n. Los Angeles Point Firman. Comment
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May 27 2013
  RSA393137  Eriogonum cinereum Tom Burch 1940-4-19 s.n. Los Angeles Malabu [Malibu] Coast. Comment
  CAS-BOT-BC242749  Eriogonum davidsonii Timothy S. Ross; Steve Boyd 1990-6-18 3513 Los Angeles San Gabriel Mountains. Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages 1767 Comment
  CAS-BOT-BC242767  Eriogonum davidsonii H. M. Hall 1900-6-1 1468 Los Angeles San Antonio Mountains, Lytle Creek Canyon 1752 Comment
  RSA679871  Eriogonum davidsonii LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 860 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway. 1143 Comment
  SBBG125582  Eriogonum davidsonii A. Parikh, N. Gale 2010-6-19 3346 Los Angeles Upper Big Tujunga Cyn, 1.2 km W of Shortcut Station, 0.8 km N of State Hwy 2; San Gabriel Mtns 1237 Comment
  RSA0035125  Eriogonum elongatum A. Lee Haines 1972-10-3 s.n. Los Angeles Along State Highway #27, north side of Santa Monica Mountains. 304 Comment
  UC545881  Eriogonum elongatum var. elongatum Carl B. Wolf 1932-10-19 4352 Los Angeles 1 1/2 mi n, s base of Ridge Route Castaic; Ridge Route 548 Comment
  CAS-BOT-BC249772  Eriogonum elongatum var. elongatum Peter H. Raven; Henry J. Thompson 1959-9-27 14505 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Sepulveda Canyon 243 Comment
  CAS-BOT-BC249773  Eriogonum elongatum var. elongatum Mrs. H. P. Bracelin 1931-10-11 571 Los Angeles Topanga Canyon, about three miles east of ocean beach. Santa Monica Mts. Comment
  SD79037  Eriogonum elongatum var. elongatum R. Mitchell Beauchamp 1966-8-10 63 Los Angeles beside road in Topanga Canyon Comment
  UCR255779  Eriogonum fasciculatum subsp. foliolosum R. G. Swinney 2010-4-15 12267 Los Angeles San Gabriel Mountains, Upper Lime Kiln Cyn., 1.2-1.5 miles east of Pacoima Wash, 0.3 to 0.6 miles NE of Limekiln Cyn. fork, due south of Kagel Mt. 854 Comment
  SD38686  Eriogonum fasciculatum var. fasciculatum Edith A. Purer 1933-5-30 5000 Los Angeles Playa del Rey, stabilized sand dunes Comment
  RSA393409  Eriogonum fasciculatum var. foliolosum Lester H. Cushman 1933-6-4 s.n. Los Angeles Glendale 488 Comment
  RSA670612  Eriogonum fasciculatum var. foliolosum Bonnie C. Templeton, H. J. Andrews 1938-6-22 1701 Los Angeles Mint Canyon Comment
  RSA0086924  Eriogonum gracile R. G. Swinney 2010-6-23 13337 Los Angeles Hansen Dam Flood Control Basin, 0.1-0.4 miles E of Orcas Park on N side of Big Tujunga Wash, east end of survey area due south of Christy Ave. 331 Comment
  RSA393243  Eriogonum gracile Anstruther Davidson 1916-7-1 s.n. Los Angeles Crescenta. Comment
  UC6306  Eriogonum gracile M. R. Lyell Sep. 1901 Los Angeles Antelope Valley Comment
  RSA292520  Eriogonum gracile var. gracile James Henrickson 1972-11-2 8088 Los Angeles 4 mi. N. of Newhall in Mayo Hospital site at McBean Parkway near Orchard Village Rd. 372 Comment
  RSA717789  Eriogonum gracile var. gracile R. G. Swinney, Dave Larson 1996-7-17 5123 Los Angeles San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1320 Comment
  CAS-BOT-BC261097  Eriogonum gracillimum W. R. Dudley; F. H. Lamb 1896-6-4 4326 Los Angeles Lancaster Comment
  CATA2523  Eriogonum grande var. grande Steven A. Junak 1997-10-20 969 Los Angeles San Clemente Island: E side of island, at mouth of southernmost canyon of Bryce Canyon complex 3 Comment
  RSA760686  Eriogonum nudum subsp. pauciflorum R. G. Swinney 2008-8-13 9398 Los Angeles Big Rock Creek, 1.0 mi. east of Fenner Canyon. 1793 Comment
  POM156507  Eriogonum nudum var. pauciflorum L. R. Abrams 1902-7-11 2666 Los Angeles Coldwater Canyon, San Antonio Mountains. Comment
  RSA0105968  Eriogonum nudum var. pauciflorum R. G. Swinney 2011-7-8 15498 Los Angeles San Gabriel Mountains: Strawberry Potrero, uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property. 1427 Comment
  RSA758059  Eriogonum ordii D. E. Bramlet, Jennifer Pareti 2008-4-14 4195 Los Angeles [Unspecified] Comment
  SBBG65203  Eriogonum plumatella R. Hoffmann 1927-9-30 Los Angeles E of Palmdale 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
  RSA424838  Eriogonum pusillum Anstruther Davidson, H. E. Hasse 1906-6-1 1617 Los Angeles Big Rock Creek, Lowell Mine. Comment
  UCR189256  Eriogonum pusillum R. G. Swinney 1998-5-16 6071 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  SD108955  Eriogonum roseum James Henrickson 1972-11-2 8087 Los Angeles 4 mi. N. of Newhall in Mayo Hospital site at Mc Bean Parkway near Orchard Village Rd. 372 Comment
  RSA0095310  Eriogonum saxatile Richard G. Swinney 2011-6-23 15323 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
  RSA271929  Eriogonum saxatile Fordyce Grinnell Jr. 1910-06 1515 Los Angeles San Gabriel Mountains: Strawberry Ridge. Comment
  CAS-BOT-BC268170  Eriogonum umbellatum var. minus Le Roy Abrams; E. A. McGregor 1908-7-3 609 Los Angeles North Baldy Mountain, San Gabriel Mountains Comment
  RSA225811  Eriogonum umbellatum var. minus Robert F. Thorne, C. W. Tilforth, John Dourley 1971-7-27 41086 Los Angeles San Gabriel Mountains, Angeles National Forest: Mt. San Antonio. along trail from Baldy Notch to Old Baldy 2500 Comment
  RSA225892  Eriogonum umbellatum var. minus Robert F. Thorne, C. W. Tilforth, John Dourley 1971-7-27 41067 Los Angeles San Gabriel Mountains, Angeles National Forest: west Baldy Peak on ridge running E toward Old Baldy (Mt. San Antonio) 3018 Comment
  UCR232382  Eriogonum viridescens Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-19 8063 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, 100 m east of Sierra Highway and 630 m north of Avenue F 703 Comment
  UCR194630  Eriogonum wrightii var. subscaposum R. G. Swinney 1998-8-13 6739 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  CAS-BOT-BC297918  Eriophyllum confertiflorum Alice Eastwood 1906-5-27 s.n. Los Angeles Garvanza Comment
  CAS-BOT-BC297965  Eriophyllum confertiflorum Timothy S. Ross 1992-5-24 6419 Los Angeles San Gabriel Mts. Brown's Gulch: draining to San Gabriel Canyon at the base of San Gabriel Dam 475 Comment
  OBI44799  Eriophyllum confertiflorum David J. Keil, V. L. Holland, Michael Stiles, and Francis Villiablanca 1987-5-1 20059 Los Angeles Angeles Natl Forest, Littlerock Reservoir Comment
  POM53924  Eriophyllum confertiflorum C. F. Baker 1904-5-6 4746 Los Angeles Hills near Pomona Comment
  UC1871278  Eriophyllum confertiflorum T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3995 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
  UCR192826  Eriophyllum confertiflorum R. G. Swinney 1998-7-8 6299 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  UCR219468  Eriophyllum confertiflorum R. G. Swinney 2009-3-19 10151 Los Angeles San Gabriel Mtns. Foothills, Azusa, 0.7 mi. north of Sierra Madre Ave. on north side of San Gabriel River channel, c. 100 m north of Hwy 39 230 Comment
  UCR223531  Eriophyllum confertiflorum R. G. Swinney 2009-5-28 10911 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  SBBG61118  Eriophyllum confertiflorum var. confertiflorum R. Hoffmann 1931-5-3 Los Angeles ca. 3 mi E of Elizabeth Lake Comment
  SBBG95442  Eriophyllum confertiflorum var. confertiflorum M. B. Dunkle 1928-4-22 1891 Los Angeles Buttonshell Beach 12 Comment
  UC69893  Eriophyllum confertiflorum var. confertiflorum Mrs. C. M. Wilder 1905-8-20 594 Los Angeles San Antonio Mt. 304 Comment
  UCR270153  Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-7-21 15526 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  RSA0030894  Eriophyllum confertiflorum var. trifidum F. Raymond Fosberg 1931-3-25 S 4375 Los Angeles Hamilton Canyon, near Avalon. Santa Catalina Island. 80 Comment
  POM358085  Eriophyllum nevinii Ruth E. Eaton 1956-7-15 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  RSA589259  Eriophyllum pringlei Timothy S. Ross 1991-4-27 4666 Los Angeles Mojave Desert: Black Butte Basin Road; 2.75 miles and ca. 145deg. SW of Three Sisters [buttes]. 1003 Comment
  UCR190349  Eriophyllum pringlei R. G. Swinney 2001-4-18 7884 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap, east of Bobs Gap Road at base of ridge 1223 Comment
  UCR223025  Eriophyllum pringlei R. G. Swinney 2009-4-29 10617 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  SFV7500  Eriophyllum pringlei M. H. Grayum, D. R. Perry, S. Merschel 1975-5-4 s. n. Los Angeles Mojave Desert Antelope Valley. Along Pearblossom Highway, west of Littlerock. 854 Comment
  CATA365  Erodium brachycarpum Mark L. Hoefs 1974-3-28 414 Los Angeles Santa Catalina Island: Ridge above and north of upper Bulrush Canyon, northwest exposure 335 Comment
  RSA569923  Erodium cicutarium Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4834 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  RSA599458  Erodium cicutarium Steve Boyd, Lauren Raz, T. S. Ross 1997-4-1 9499 Los Angeles Liebre Mountains region: Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of Osito Flat , a distinctive, open grassy break in slope under the high tension power lines. 793 Comment
  UCR141065  Erodium cicutarium 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
  RSA592264  Erodium cicutarium Louis C. Wheeler 1967-5-12 9485 Los Angeles San Gabriel Mountains. Between summits 4174 and 4183, east of Vincent. 1250 Comment
  UC1971455  Erodium cicutarium Louis C. Wheeler 1967-5-15 9571 Los Angeles SAN GABRIEL MOUNTAINS: Ridgetop east southeast of Fremont Pass. Comment
  RSA70493  Erodium moschatum F. W. Peirson 1919-2-28 2023 Los Angeles At Frank Peirson residence, 1085 New York Drive, Altadena Comment
  SEINET3523298 Image available Erysimum asperum Norman Cooper 1948-4-21 2717 Los Angeles Saugus. 762 Comment
  CAS-BOT-BC40711  Erysimum capitatum Peter H. Raven 1960-5-15 15371 Los Angeles Santa Monica Mountains. Piuma Road 5.1 miles northwest of Rambla Pacifica. 213 Comment
  CHSC95779  Erysimum capitatum LeRoy Gross; Naomi Fraga 2002-4-4 520 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Southwest side; From saddle along main crest where the dirt roads of Verdugo Mountain Way and Chandler Fire Road meet, (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road, (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. This home was burned down a long time ago, and road abandoned. 457 Comment
  SFV9379  Erysimum capitatum M. L. Vincent, L. Swade 1964-4-2 477 Los Angeles San Gabriel Mountains Mint Canyon. Solemint Canyon Road, 2 miles north of Solemint Store. 500 Comment
  UCR277070  Erysimum capitatum R. G. Swinney 2011-6-7 15096 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
  RSA573708  Erysimum capitatum var. capitatum Timothy S. Ross 1990-8-17 3152 Los Angeles Upper Big Rock Creek, 120-200m N of Icy Springs 1726 Comment
  SD41965  Erysimum suffrutescens Darley F. Howe 1947-3-23 1521 Los Angeles El Segundo beach Comment
  CATA3010  Eschscholzia californica Amy Catalano, Schylar Gholson 2016-2-19 016 Los Angeles Santa Catalina Island: Along Cape Canyon Road, east of drainage with old Middle Cape Reservoir 267 Comment
  UC855135  Eschscholzia californica Marcus E. Jones, A. M. 1882-2-27 3038 Los Angeles Pasadena Comment
  RSA150917  Eschscholzia ramosa Peter H. Raven 1962-4-10 17233 Los Angeles Above Wilson Cove. San Clemente Island. 107 Comment
  RSA0085091  Eucalyptus camaldulensis R. G. Swinney 2010-3-30 12109 Los Angeles Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway. 207 Comment
  RSA595007  Eucrypta chrysanthemifolia Mark Hoefs, Robert F. Thorne 1996-4-6 2636 Los Angeles Santa Catalina Island. End of Renton Mine Road. 268 Comment
  CHSC95778  Eucrypta chrysanthemifolia var. chrysanthemifolia LeRoy Gross; Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 702 Los Angeles Transverse Ranges: Verdugo Mountains Region; South side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned Summer-Fall of 2002. 695 Comment
  UCR200127  Eucrypta chrysanthemifolia var. chrysanthemifolia Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 762 Los Angeles Transverse Ranges; Verdugo Mountains, south side, above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Motorway 488 Comment
  UC788120  Eulobus californicus Blanche Trask May, 1897 Los Angeles Avalon Santa Catalina Island Comment
  UCR116945  Euphorbia albomarginata A. C. Sanders, D. Malueg 2001-5-17 24319 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned 122 Comment
  UCD142556  Euphorbia albomarginata Louis C. Wheeler 1946-8-27 6266 Los Angeles San Gabriel Mountains, Shoemaker Canyon just north of Pallett Ranch by side of Pear Blossom Highway. 1219 Comment
  UCR99438  Euphorbia lathyris L. C. Wheeler 1951-5-27 6802 Los Angeles Potrero Chico. c. 0.5 mi. north of San Gabriel Blvd. on Rosemead Blvd. 61 Comment
  CATA2141  Euphorbia maculata Steven A. Junak 1990-11-9 144 Los Angeles San Clemente Island: N end of island, just SE of passenger terminal building at airfield 60 Comment
  UCR206175  Euphorbia nutans A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36944 Los Angeles San Gabriel Valley, Baldwin Park, San Gabriel River channel south of Ramona Blvd. and north of I-10 Fwy, under SCE powerlines 91 Comment
  UCR216556  Euphorbia peplus Dan S. Cooper 2010-4-23 410- 56 C Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Griffith Park, Western Canyon, ridge NW of the observatory 291 Comment
  CDA4856  Euphorbia peplus L. C. Wheeler 1947-4-13 6464 Los Angeles San Gabriel Mountains;; San Gabriel Mountains;: Sunset Ridge on south side of Millard Canyon.. Elev. 2100 Feet. Comment
  RSA736334  Euphorbia serpillifolia Scott D. White, Justin M. Wood 2008-5-19 12016 Los Angeles Whittier Narrows Dam County Recreation Area. San Gabriel River floodplain, between Durfee Ave. and 605 freeway. SCE powerline corridor. 67 Comment
  LA32299  Euphorbia spathulata Peter H. Raven; Henry J. Thompson 1959-5-5 14129 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  UCR205704  Euphorbia terracina A. C. Sanders, T. B. Salvato 2009-5-18 36808 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
  CDA19852  Euphorbia terracina P. Davis 2002-4-15 PDR 053578 Los Angeles Southern California; LAX property at 9100 S Hastings Ave. 0 Comment
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May 30 2014
  CDA8358  Fatoua villosa Ben Miled 2008-6-14 PDR# 1353898 Los Angeles Sun Valley, 10645 Tuxford St. 0 Comment
  UCR187223  Festuca microstachys var. ciliata A. C. Sanders 2006-4-18 32109 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, c. 2 miles due north of the west end of Quail Lake 1037 Comment
  CATA450  Festuca myuros Sara L. Crockett 1997-3-18 590 Los Angeles Santa Catalina Island: Upper Cape Canyon; 1.0 mile NE on Cape Canyon Road from jct. with Middle Ranch Road, slope adjacent to first side canyon S and W of jct. with Lower Cape Canyon Reservoir Road 304 Comment
  UCR272603  Festuca myuros R. G. Swinney 2011-6-7 15067 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 1585 Comment
  UCR90815  Festuca myuros A. C. Sanders, G. K. Helmkamp 1996-3-24 18020 Los Angeles Mojave Desert, Ave. 'J', 3.3 mi west of 240th St. E, just NE of Saddleback Butte. 890 Comment
  UCSB411  Festuca perennis Albright, S. 1957-5-24 Los Angeles UCLA campus; near Medical Center 76 Comment
  CATA3460  Ficus carica Benjamin J. Dion, Stuart Olshevski 2017-8-25 041 Los Angeles Santa Catalina Island: Interior; 5 meters north of Bulrush Canyon Road in Upper Bulrush watershed 327 Comment
  RSA0110757  Ficus carica R. G. Swinney 2011-10-25 15858 Los Angeles San Gabriel Mountains: along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek. 1001 Comment
  RSA517174  Ficus carica Tim S. Ross, Orlando Mistretta 1990-10-16 3278 Los Angeles San Gabriel Mountains: Mt Baldy Ranger District, Angeles National Forest. Cape Horn Canyon. 665 Comment
  SEINET3463252  Ficus carica Unknown 1939-7-10 116 Los Angeles Los Angeles, Los Angeles, Campus Comment
  RSA393722  Filago californica Anstruther Davidson 3272 Los Angeles Roadside, Crescenta Comment
  RSA654863  Filago californica A. C. Sanders, D. Malueg 1998-6-24 22068 Los Angeles San Gabriel Mnts.: E of Big Tujunga Dam below Hwy 2 (Angeles Crest) and above Tujunga Canyon Road, ridge above Josephine Creek, So. Cal. Edison Mesa-Vincent transmission line at tower 13-2 976 Comment
  RSA650270  Foeniculum vulgare A. E. Hersh 1950-7-25 s.n. Los Angeles Locale- dry vacant lot, Washington Blvd. and Sawtelle, Culver City 30 Comment
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Dec 9 2013
  RSA391382  Frankenia grandifolia F. R. Fosberg 1931-5-17 S 4885 Los Angeles Little Harbor, Santa Catalina Island. 1 Comment
  UC1215123  Frankenia salina Peter H. Raven 1962-7-11 18014 Los Angeles Wilson Cove San Clemente Island 60 Comment
  RSA265091  Frasera neglecta Mary Hall 1941-6-21 s.n. Los Angeles Big Tujunga drainage, Chilao Guard Station 1585 Comment
  RSA0003730  Frasera neglecta H. M. Hall 1900-6-3 1495 Los Angeles Swarthout Canyon, San Antonio Mts. 2073 Comment
  SFV20812  Fraxinus dipetala L. Gross, N. Fraga 2002-4-4 522 Los Angeles Verdugo Mountains Southwest side. From saddle along main crest where the dirt roads of Verdugo Mountain Way and Chandler Fire Road meet (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. 400 Comment
  SEINET6646745  Fremontodendron californicum W. D. Billings 1951-6-18 2104 Los Angeles Tanbark Flat, San Dimas Exp. Forest, San Gabriel Range 823 Comment
  RSA9649  Galinsoga parviflora var. parviflora L. C. Wheeler 1932-11-6 1446 Los Angeles Garey Ave. 3 mi N Pomona 305 Comment
  UCR222851  Galium angustifolium R. G. Swinney 2009-4-29 10577 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  SD4906  Galium angustifolium Mrs. Kate Stephens 1922-7-6 Los Angeles Ten miles west of Semmler Comment
  RSA226186  Galium angustifolium subsp. angustifolium Gary D. Cromwell, David W. Wheat 1971-5-14 645 Los Angeles Mystic Canyon, Angeles National Forest, 2 miles NE of Glendora; 396 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
  RSA529154  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd 1991-7-24 5616 Los Angeles Granite Mountain vicinity: ridge NNE of Granite Mountain. 1875 Comment
  RSA654867  Galium angustifolium subsp. gabrielense A. C. Sanders, D. Malueg 1998-6-22 22026 Los Angeles San Gabriel Mtns.: Altadena, ca. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Lane, and along trail to the NE. 549 Comment
  RSA0107228  Galium aparine R. G. Swinney 2011-5-19 14786 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 miles SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., south side of Coldwater Cyn. creek. 1073 Comment
  RSA652666  Galium aparine Richard L. Herrin 1948-3-29 s.n. Los Angeles In Fern Canyon off Arroyo Seco above Devil's Gate Dam. Altadena. Comment
  UC1601874  Galium catalinense subsp. acrispum L. R. Abrams and I. L. Wiggins 1931-7-6 371 Los Angeles vicinity of Mosquito Harbor San Clemente Island Comment
  UCR276894  Galium johnstonii R. G. Swinney 2011-5-16 14752 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 1.18 mi. at 73 deg. SE of Colby Ranch Rd. & FS Rd. 3N19 in Big Tujunga Cyn., c. 450 m ENE of lodge in center of camp 1375 Comment
  UCR85821  Galium johnstonii T. S. Ross, Steve Boyd 1991-7-24 5607 Los Angeles San Gabriel Mtns, Ridge NNE of Granite Mountain 1942 Comment
  IRVC28999  Galium nuttallii A. C. Sanders, Mark A. Elvin 2003-6-18 26943 Los Angeles along road on crest of range from Salt Canyon, north of head of El Toro Canyon, Newhall Ranch Santa Susana Mountains 854 Comment
  RSA654222  Galium parisiense Valerie L. Soza, Ian Gillespie, LeRoy Gross 2000-5-18 946 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, SW of Johnstone Peak, above Wildwood Canyon. 655 Comment
  CLARK-A1528-5726  Galium parvifolium John C. Roos 1937-7-16 484 Los Angeles San Gabriel Mountains Comment
  POM358918  Gamochaeta pensylvanica L. C. Wheeler 1931-9-4 58 Los Angeles 2 mi. NE La Verne. Damp sunny clay soil. 412 Comment
  POM358919  Gamochaeta pensylvanica Gary D. Wallace 1964-6-3 s.n. Los Angeles Home yard. Comment
  RSA656219A  Gamochaeta pensylvanica Joseph M. Keefe 1978-5-23 23249 -A Los Angeles San Rafael Mountains; Disturbed chaparral near path; 100 meters east of cafeteria, Glendale College, 1500 North Verdugo Road, Glendale. 287 Comment
  RSA0113441  Gamochaeta ustulata Steven A. Junak 1999-5-21 SCa- 969 Los Angeles Santa Catalina Island. E side of KBRT Valley, NE of Antenna Farm. 445 Comment
  POM11187  Garrya veatchii I. M. Johnston 1917-7-28 1578 Los Angeles San Antonio Ca - on 1753 Comment
  UCR143374  Garrya veatchii L. C. Wheeler 1931-12-30 424 Los Angeles San Gabriel Mtns, San Antonio Wash 671 Comment
  UCR223487  Garrya veatchii R. G. Swinney 2009-6-8 11063 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
  UCR206445  Gayophytum R. G. Swinney 2008-6-10 9008 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, 2.4 miles SSE of park headquarters on South Fork Trail 1585 Comment
  CAS-BOT-BC478491  Gayophytum Elizabeth McClintock 1965-7-2 227 Los Angeles San Gabriel Mountains, Table Mountain, above Wrightwood 2133 Comment
  RSA771611  Gayophytum heterozygum Robert F. Thorne, C. W. Tilforth, John Dourley, R. Scoggin 1972-8-11 42202 Los Angeles Angeles National Forest; Along Angeles Crest Hwy near Three Points. 1829 Comment
  RSA775956  Gayophytum oligospermum Orlando Mistretta, Christine Mistretta 2010-6-17 5337 Los Angeles Upper Big Tujunga canyon; Alder Creek; 0.4 miles upstream (NW) of creek crossing at Upper Big Tujunga Canyon Road. 1025 Comment
  UCR126661  Gazania linearis A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26222 Los Angeles Western San Gabriel Mtns., Castaic Valley along Castaic Creek 0-2 km downstream from Lake Hughes Rd., Newhall Ranch 351 Comment
  CATA3476  Genista linifolia Michael Thomas, Benjamin Dion, Nathalie Cartan 2017-9-27 003 Los Angeles Santa Catalina Island: Interior; on west-facing slope in Middle Cottonwood Canyon watershed 185 Comment
  RSA187915  Geranium carolinianum Robert F. Thorne 1966-6-1 36472 Los Angeles Santa Catalina Island: edge of undergrowth in Pebbly Beach Canyon near end of road 91 Comment
  RSA29725  Geranium carolinianum Louis C. Wheeler 1932-5-27 770 Los Angeles Burbank Canyon, W Thompson Creek Dam. 518 Comment
  RSA0091738  Gilia R. G. Swinney 2011-5-12 14677 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
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Dec 7 2018
  RSA598063  Gilia aliquanta subsp. aliquanta L. C. Wheeler 1967-5-12 9467 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA78154  Gilia angelensis Verne Grant 1953-5-3 9208 Los Angeles Side canyon in Swain's Canyon, back of White's Landing. Santa Catalina Island. 152 Comment
  SD69494  Gilia angelensis Robert F. Thorne 1966-4-6 35881 Los Angeles Santa Catalina Island; dry ridge between White and Moonstone Coves. 14 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
  UCR129860  Gilia angelensis Verne Grant 1953-5-3 9208 Los Angeles Channel Islands, Santa Catalina Island, side canyon in Swain's Canyon back of White's Landing 183 Comment
  RSA156023  Gilia angelensis P. H. Raven 1962-3-27 17000 Los Angeles Palos Verdes Hills along Palos Verdes Drive 1.4 miles east to Portugese Bend. Comment
  RSA33654  Gilia angelensis N. C. Cooper 1944-4-23 1099 Los Angeles Pomona. 259 Comment
  UC1123706  Gilia brecciarum subsp. brecciarum A. D. Gifford 1935-3-27 513 Los Angeles 2.3 mi nne Sawmill Pk.; Tejon Quad., nne of Sawmill Peak Comment
  IRVC26202  Gilia capitata Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2919 Los Angeles Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. Santa Susana Mtns. 915 Comment
  POM96612  Gilia capitata subsp. abrotanifolia P. A. Munz 1926-4-4 10017 Los Angeles 2 miles north of Saugus. Comment
  UCR186063  Gilia capitata subsp. abrotanifolia T. B. Salvato, M. A. Hasskamp 2006-4-24 1345 Los Angeles Tehachapi Mtns Foothills, c. 4 mi east of Quail Lake and 0.5 mi north of Hwy 138 976 Comment
  RSA470230  Gilia capitata subsp. abrotanifolia L. E. Hoffman 1931-5-14 s.n. Los Angeles Pacoima Canyon, Angeles National Forest. Comment
  UCR189672  Gilia diegensis R. G. Swinney 1998-7-8 6304 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  LA206997  Gilia latiflora Eliz. Grant; 1937-5-8 sn Los Angeles Mint Canyon 1523 Comment
  RSA199040  Gilia latiflora subsp. davyi W. M. Gauntt 1966-3-26 103 Los Angeles Route 138: 6 miles W of Wrightwood. 1250 Comment
  RSA469373  Gilia latiflora subsp. latiflora N. C. Cooper 1948-4-21 2677 Los Angeles Littlerock. 762 Comment
  CAS-BOT-BC402099  Gilia leptantha subsp. transversa Robert F. Thorne; C. W. Tilforth; J. Dourley; R. Scogin 1972-8-11 42226 Los Angeles San Gabriel Mts., Angeles National Forest: N slope of Mt. Waterman near Buckhorn Station 2133 Comment
  RSA225899A  Gilia leptantha subsp. transversa R. F. Thorne, C. W. Tilforth 1971-6-29 40669 Los Angeles San Gabriel Mountains, Angeles National Forest: near junction of Angeles Forest & Mt. Emma Roads 1128 Comment
  UCR163969  Gilia modocensis B. G. Pitzer 1998-5-23 3736 Los Angeles Western Transverse Range, Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  RSA549897  Gilia nevinii Peter L. Morrell, Orlando Mistretta, L. Arsneth 1992-4-5 129 Los Angeles San Clemente Island: SE-facing slope in Guds area on extreme S end of island. 150 Comment
  CAS-BOT-BC402002  Gilia ochroleuca subsp. bizonata Steve Boyd; Lauren Raz 1997-4-16 9515 Los Angeles Liebre Mountains Region: Northwest end of the range, Peace Valley due south of the junction of Interstate 5 and Highway 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service road 8N01 960 Comment
  CAS-BOT-BC402003  Gilia ochroleuca subsp. bizonata Steve Boyd; Lauren Raz 1997-4-30 9635 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine 914 Comment
  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
  CAS-BOT-BC402026  Gilia ochroleuca subsp. bizonata Clare B. Hardham 1966-5-7 14154 Los Angeles Pine Canyon road to Palmdale, near Gorman 1219 Comment
  CAS-BOT-BC402062  Gilia ochroleuca subsp. vivida Geo. B. Grant 1902-6-1 506 Los Angeles Mt Wilson Comment
  CAS-BOT-BC402063  Gilia ochroleuca subsp. vivida Geo. B. Grant 1902-6-1 506 Los Angeles Summit Mt. Wilson Comment
  RSA0116705  Gilia ochroleuca subsp. vivida Michael Denslow, Orlando Mistretta, J. Mark Porter, Valerie Soza 2003-6-2 1343 Los Angeles Along Angeles Crest Highway east of Vincent Gap at base of Blue Ridge. [Los Angeles] 2165 Comment
  RSA0116703  Gilia ochroleuca subsp. vivida LeRoy Gross, Michael Denslow 2003-6-4 972 Los Angeles Trail from Islip Saddle to Mt. Williamson 2195 Comment
  RSA723830  Ginkgo biloba Thomas Poon, Sarah Primrose, Amy Tran, Veronica McClellan, Lyanne Dominguez 2007-9-15 s.n. Los Angeles Claremont. Southeast corner of E. 1st St. and Amherst St. Adjacent to the north side of the building called International Place. Comment
  CAS-BOT-BC266497  Githopsis diffusa A. Davidson 1892-6-12 s.n. Los Angeles Wilson Peak Trail Comment
  RSA562263  Gnaphalium luteoalbum D. Charlton, Robb Fishman 1989-4-13 2898 Los Angeles Mojave Desert, corner of 10th and M street, Palmdale, Joshua Tree Woodland with Morman Tea, Hopsage, 4 Wing Salt Bush, Winter Fat and Wolfberry. Ruderial with Wash (Amargosa Creek) and Mid bajada (N facing) Comment
  RSA656219B  Gnaphalium luteoalbum Joseph M. Keefe 1978-5-23 23249 -B Los Angeles San Rafael Mountains; Disturbed chaparral near path; 100 meters east of cafeteria, Glendale College, 1500 North Verdugo Road, Glendale. 287 Comment
  RSA593581  Gnaphalium palustre Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz 1996-7-11 8909 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  UCR86840  Gnaphalium palustre Scott D. White 1995-4-27 2940 Los Angeles Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon. Road, SW of Malibu Civic Center Way 92 Comment
  UCR218014  Gnaphalium stramineum A. C. Sanders, Dan S. Cooper 2010-8-5 38579 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  CAS-BOT-BC110271  Grayia spinosa Cecil Hart 1930-4-27 s.n. Los Angeles Between Lancaster and Victorville. Comment
  RSA584319  Grayia spinosa T. S. Ross, Steve Boyd 1991-3-23 4259 Los Angeles Lovejoy Buttes, on the Mojave Desert: NE portion of the main buttes, west of Lovejoy Springs (destroyed by development 926 Comment
  SEINET3197499 Image available Grayia spinosa R. G. Swinney 2009-4-2 10272 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert; Bob's Gap, 3.5 miles south of Hwy 138 on east side of Bob's Gap Road. (Valyermo 7.5' Q) 1220 Comment
  RSA652949  Grindelia camporum A. C. Sanders, D. Malueg, K. D. Jones 1999-11-19 23268 Los Angeles Santa Susana Mountains: Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds. 610 Comment
  SD44968  Grindelia camporum Darley F. Howe 1952-6-15 2226 Los Angeles Santa Monica Mountains. Comment
  RSA608700  Grindelia camporum var. bracteosa L. C. Wheeler 1968-7-2 s.n. Los Angeles San Gabriel Mountains: Bluebird Truck Trail, near Big Dalton Canyon. 731 Comment
  RSA638218  Guillenia lasiophylla L. C. Wheeler 1969-5-16 s.n. Los Angeles Santa Catalina Island. Fishermans Cove: USC Marine lab. 15 Comment
  LA210062  Guillenia lasiophylla J. Sauer; 1977-3-26 5944 Los Angeles Santa Monica Mountains, Lower Tuna Canyon Comment
  RSA0085093  Gutierrezia californica R. G. Swinney 2010-4-1 12166 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  UCR88699  Gutierrezia californica Scott D. White 1995-10-19 3707 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
  RSA758716  Gutierrezia microcephala R. G. Swinney 2008-10-7 9466 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 Comment
  RSA598818  Haplopappus pinifolius R. G. Swinney 1989-5-8 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, in Big Dalton Canyon and its tributaries. Water Pipe Canyon, 1 mi. NE of Glendora Wilderness Park. 457 Comment
  UCR126836  Haplopappus venetus A. C. Sanders, Mark A. Elvin 2002-8-26 25582 Los Angeles Western Transverse Range/Santa Clara River Watershed, Newhall Ranch, San Martinez Grande Canyon, north of Hwy 126, west side of canyon, WNW of Del Valle 335 Comment
  SBBG113051  Harpagonella palmeri S. A. Junak with K. Kirkland 1998-4-30 SCa 577 Los Angeles ca. 0.35 mi ENE of East Summit at head of side branch of Hamilton Cyn 371 Comment
  SBBG113137  Harpagonella palmeri S. A. Junak with M. L. Hoefs, J. Takara 1997-3-28 SCa 399 Los Angeles N side of Cherry Cove, at Birdie Chester grave site 21 Comment
  RSA640647  Hazardia cana Steven A. Junak 1996-10-1 SCI- 693 Los Angeles San Clemente Island: middle portion of Horse Canyon, 1.2 miles SW of Thirst Peak. 372 Comment
  UCR273197  Hazardia squarrosa var. grindelioides R. G. Swinney 2011-10-25 15866 Los Angeles San Gabriel Mountains, along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek 1001 Comment
  RSA0116460  Hedera helix R. G. Swinney 2011-9-22 15677 Los Angeles San Gabriel Mountains; SE side of Camp Colby (Colby Ranch), Colby Grave marker, confluence of Inspiration Cyn. & Coldwater Cyn., near spring & watertank. 1140 Comment
  RSA716928  Hedera helix LeRoy Gross, Naomi Fraga 2006-1-20 2448 Los Angeles East end of the Verdugo's. North side of the main crest. A small draw south of Deer Creek that drains into Deer Creek, off of Beaudry Road. Southwest of Debris Basin. 412 Comment
  SBBG128320  Hedypnois cretica M. L. Hoefs 1995-5-16 2016 Los Angeles near Airport Rd, just past rd to Black Jack Cmpgrd 454 Comment
  UCR204893  Helianthemum scoparium R. G. Swinney 2008-4-1 8598 Los Angeles San Gabriel Mtns., ridge north of and adjacent to Sharps Canyon, c. 2 miles due N of Glendora 671 Comment
  SD262190  Helianthus annuus R. G. Swinney 2014-5-27 16656 Los Angeles San Gabriel Mountains: Glendora, ridge between east and north forksof Hook Cyn., c. 400 m south of Glendora Ridge Mtwy. & 200 m north of Church of the Open Door, NE of Hook Cyn. Debris basin. 445 Comment
  CAS-BOT-BC310102  Hemizonella minima Joseph Andorfer Ewan 1932-6-15 7340 Los Angeles 1/2 mile above Horse Flats, Pine Flats Region, San Gabriel Mts. 1706 Comment
  CAS-BOT-BC310103  Hemizonella minima Geo. B. Grant 1906-6-15 6689 Los Angeles Summit Mt Wilson Comment
  SBBG125473  Hemizonella minima A. Parikh, N. Gale 2010-6-19 3343 Los Angeles upper Big Tujunga Cyn, 0.9 km N of St Hwy 2, 0.3 km W of upper Big Tujunga Cyn Rd, San Gabriel Mtns 1240 Comment
  UCR131375  Hemizonia australis Jeremiah George 2000-8-22 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
  IRVC29657  Hemizonia fasciculata Mark A. Elvin 2003-6-12 2944 Los Angeles Newhall Ranch, S of Magic Mountain Amusement Park, W of The Old Road Santa Clarita Valley 366 Comment
  RSA605868  Hemizonia fasciculata R. S. Woglum 1930-4-28 s.n. Los Angeles Hills south of Glendora. Comment
  RSA681052  Hemizonia fasciculata Scott D. White 2003-6-2 9445 Los Angeles Puente Hills: City of Industry, just northwest of SR 60 / SR 57 freeway at Grand Ave. exit. 183 Comment
  UCR258729  Hemizonia fasciculata R. G. Swinney 2010-6-23 13350 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
  UCR11542  Hemizonia fasciculata subsp. ramosissima Harlan Lewis 1940-8-12 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns. Foothills, Los Angeles, Westwood; UCLA campus 183 Comment
  RSA627542  Hemizonia minthornii Sandy Leatherman, Brian Daniels 1998-5-8 6 Los Angeles Santa Monica Mountains: south of Woolsey Canyon Road approx. 1 mile down the existing dirt road. 365 Comment
  UCR232374  Hemizonia pungens subsp. pungens Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-19 8066 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, along east side of Sierra Highway, 230 m south of Avenue E 702 Comment
  CATA1282  Herniaria hirsuta var. cinerea Mark L. Hoefs, Steven A. Junak 1995-7-12 2369 Los Angeles Santa Catalina Island: Outside of Wrigley Garden Herbarium, upper Avalon Canyon 106 Comment
  UC1714563  Hesperocnide tenella Geo. B. Grant 1904-5-26 564 -6267 Los Angeles Pasadena Comment
  UCR200130  Hesperocnide tenella Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 777 Los Angeles Verdugo Mountains, south side, Stough Canyon, Stough Park, above parking lot southwest of intersection of Walnut Avenue and Lockheed View Drive, well of De Bell Municipal Golf Course, southeast of Starlight Theater 335 Comment
  UCR155610  Hesperolinon micranthum A. C. Sanders 2005-5-11 30145 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Canyons 655 Comment
  SEINET12265279  Hesperoyucca whipplei F. A. Thackery 1928-1 435 Los Angeles Mulholland Drive Comment
  CAS-BOT-BC143682  Heteromeles arbutifolia Herman Knoche 1919-6-25 Series A, No. 903 Los Angeles S. Catalina Island, Avalon Comment
  CAS-BOT-BC143683  Heteromeles arbutifolia Carl B. Wolf 1936-1-3 7692 Los Angeles Santa Catalina Isl., Avalon, slopes at East side of valley 60 Comment
  CAS-BOT-BC143698  Heteromeles arbutifolia Peter H. Raven 1962-7-10 17985 Los Angeles Canyon below Lemon Tank 243 Comment
  POM1843  Heteromeles arbutifolia D. L. Crawford 1915-7-16 s.n. Los Angeles Live Oak Canyon -Claremont Comment
  RSA0060884  Heteromeles arbutifolia R. G. Swinney 2010-8-16 13560 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA0072466  Heteromeles arbutifolia var. macrocarpa Carl B. Wolf 1936-1-3 7691 Los Angeles Santa Catalina Island. Avalon, slopes at east side of valley. 121 Comment
  CAS-BOT-BC318860  Heterotheca grandiflora Ernest Braunton 1902-8-1 638 Los Angeles Echo Park Comment
  UCR150354B  Heterotheca grandiflora Scott D. White 2003-10-14 9828 Los Angeles San Gabriel Mtns, foothills above Sierra Madres. Los Angeles Dept. of Public Works 'Auburn' debris basin, above the north terminus of Auburn Avenue 396 Comment
  UCR277529  Heterotheca grandiflora Mitch Provance, Stephen Reynolds 2011-5-5 17206 Los Angeles San Gabriel Valley, City of San Gabriel, northwest of the intersection of Burton Ave. and E. Las Tunas Dr. 130 Comment
  SD51796  Heuchera caespitosa Rimo Bacigalupi, G. T. Robbins, L. R. Heckard 1953-6-15 4200 Los Angeles Road following crest of Mendenhall Ridge, 9 miles east of its start; between Little Tujunga and Pacoima Canyons, Angeles National Forest, San Gabriel Mountains 1493 Comment
  RSA0062985  Heuchera elegans Fordyce Grinnell Jr. 1911-08 s.n. Los Angeles Mt. Wilson, San Gabriel Mountains. 1795 Comment
  RSA226161  Hirschfeldia incana Gary D. Cromwell, David W. Wheat 1971-4-21 545 Los Angeles Mystic Canyon, Angeles National Forest, 2 miles NE of Glendora. 548 Comment
  RSA91357  Hoita orbicularis F. W. Peirson 1921-7-1 2472 Los Angeles Arraster Creek. 945 Comment
  UCSB22838  Holodiscus discolor var. discolor Ewan, Joseph 1933-7-4 Los Angeles Spanish Canyon above Monrovia, San Gabriel Mts. 609 Comment
  RSA584865  Holodiscus microphyllus Tim S. Ross, Steve D. Boyd 1990-6-4 2804 Los Angeles San Gabriel Mountains: East-West ridge ca. 1400 m N of Mt Gleason: ridge separating the headwaters of Arrastre Canyon from upper west tributaries of Gleason Canyon. 1549 Comment
  RSA611529  Holodiscus microphyllus Louis C. Wheeler 1968-10-13 s.n. Los Angeles San Gabriel Mountains: Big Rock Creek, just above Angeles Crest Highway. Comment
  UCR265466  Hordeum depressum Jordan Zylstra 2015-4-10 15002 Los Angeles Western Antelope Valley, Tejon Ranch, vicinity of Quail Lake, north of SR-138, east of Cement Plant Road 1016 Comment
  RSA251440  Hordeum intercedens R. F. Thorne 1966-4-16 36051 Los Angeles San Clemente Island: c. 1/2 mile SSE of Eel Point, SW side of island 2 Comment
  SBBG113084  Hordeum intercedens S. A. Junak with K. Kirkland 1998-5-2 SCa 634 Los Angeles S of rd to East Pk, on S side of ridge SW of Pk 1245, ca. 0.95 air mi NW of East Pk 313 Comment
  RSA716645  Hordeum murinum Andrea Edwards, Pam De Vries 2005-3-29 50 Los Angeles Lebec USGS quad; triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  RSA639969  Hordeum murinum subsp. leporinum L. C. Wheeler 1967-5-29 9767 Los Angeles San Antonio Canyon, southwest of Spring Hill, between Dry Lake Canyon and Wildcat [Cat] Canyon. 884 Comment
  UCSB3157  Hosackia oblongifolia Wedberg, H. 1958-7-3 Los Angeles 5 miles below Crystal Lake, San Gabriel Mtns. Comment
  CHSC83676  Hulsea vestita John Dittes; Gina Hall 1990-7-19 256 Los Angeles Transverse Range; San Gabriel Mts., North of Kratka Ridge, ca. 1.7 air miles east of Cloudburst Summit, North of Angeles Crest Highway. Growing along slope above Burkhart Trail, between Buckhorn Flat Campground and Cooper Canyon. 1889 Comment
  UCR80269  Hydrocotyle ranunculoides L. C. Wheeler 1933-7-14 1939 Los Angeles San Gabriel Valley, Rio Hondo 58 Comment
  RSA453777  Hydrocotyle verticillata L. E. Hoffman 1931-11-16 s.n Los Angeles Malibu Creek Comment
  LA202085  Hypochaeris glabra Elizabeth McClintock; 1943-5-20 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  RSA592828  Hypochaeris glabra L. C. Wheeler 1967-4-9 9183 Los Angeles San Gabriel Mountains. San Gabriel Canyon, Canyon Inn. Comment
  RSA188381  Isocoma menziesii R. F. Thorne, P. C. Everett 1965-6-24 35048 Los Angeles Santa Catalina Island. Shark Harbor, W side of Island. 8 Comment
  CATA2747  Isocoma menziesii var. vernonioides Howard L. Ferguson 1981-4-20 251 Los Angeles San Clemente Island: Near mouth of Horse Beach Canyon 38 Comment
  RSA714591  Isocoma menziesii var. vernonioides A. C. Sanders 2002-8-27 25594 Los Angeles Northeastern Santa Susana Mtns./ Santa Clara River Watershed: Newhall Ranch, Santa Clara River Valley, south of Hwy 126. 274 Comment
  RSA626104  Isopyrum occidentale LeRoy Gross 1999-4-10 131 Los Angeles Sierra Pelona: Along the Pacific Crest Trail, north side of the crest. 1372 Comment
  SBBG109141  Jepsonia malvifolia S. A. Junak 1997-10-28 SCl 977 Los Angeles near head of N fork of cyn draining to Mosquito Cove 387 Comment
  SBBG109143  Jepsonia malvifolia S. A. Junak 1997-9-27 SCl 965 Los Angeles just N of first cyn N of Knob Cyn 15 Comment
  SBBG109145  Jepsonia malvifolia S. A. Junak 1997-10-27 SCl 975 Los Angeles near head of S fork of Eagle Cyn, along S rim of cyn 509 Comment
  CAS-BOT-BC101912  Juglans californica John Thomas Howell 1928-3-4 3381 Los Angeles Santa Monica Mts., ne. of Pacific Palisades Comment
  CAS-BOT-BC101913  Juglans californica Henry J. Thompson 1959-3-31 1219 Los Angeles 1.2 miles [sout-west] south-west of Seminole Hot Springs, about 2 miles south-west of Cornell 396 Comment
  RSA0011184  Juglans californica Ora M. Clark 1929-2-3 1511 a Los Angeles Topanga Canyon, Santa Monica Mts. Comment
  RSA0062530  Juglans californica R. G. Swinney 2010-6-4 13054 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
  RSA608648  Juglans californica Louis C. Wheeler 1931-3-13 s.n. Los Angeles San Dimas: Puddingstone. Comment
  UCR209209  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37168 Los Angeles San Gabriel Valley, Pomona, Cal Poly Pomona campus at Kellogg West 267 Comment
  UCR224313  Juglans californica Justin M. Wood 2009-8-18 1249 Los Angeles San Gabriel Valley, city of Claremont, Bernard Field Station, northwest corner of Mills Ave and Foothill Blvd 421 Comment
  RSA0011194  Juglans californica C. F. Baker 1904-5-6 4750 Los Angeles Hills near Pomona Comment
  LA200583  Juglans californica var. californica Jonathan Sauer; M. Zadny, J. Zadny 1969-3-17 4394 Los Angeles Comment
  UC1584729  Juglans californica var. californica Tim Ross and Annette Ross 1991-6-3 5531 Los Angeles near sw summit Elephant Hill; west Pomona 329 Comment
  UC450938  Juglans californica var. californica Fay A. Macfadden 1931-3-15 35 E Los Angeles Tuna Canyon Verdugo Hills Comment
  UCR126701  Juncus acutus A. C. Sanders, Mark Elvin 2003-8-7 27179 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  RSA593397  Juncus acutus subsp. leopoldii Steve Boyd, Orlando Mistretta 1996-5-23 8823 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  RSA0107857  Juncus acutus subsp. leopoldii Steven A. Junak, Mark Hoefs, Misty Gay 1997-6-6 SCa- 437 Los Angeles Santa Catalina Island. Along N end of Upper Buffalo Springs Reservoir, just NW of Airport. 435 Comment
  RSA596031  Juncus bufonius var. bufonius Timothy S. Ross, J. Mark Porter 1995-5-4 8449 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. Liebre Mountains. 555 Comment
  RSA600304  Juncus bufonius var. bufonius L. C. Wheeler 1961-6-9 7846 Los Angeles Mouth of Alder Creek, off Big Tujunga Canyon 1051 Comment
  JEPS45914  Juncus macrophyllus F. R. Fosberg and J. Ewan 1931-8-13 4943 Los Angeles above Crystal Lake; Big Cienega 1981 Comment
  UC457328  Juncus macrophyllus Carl Epling and N. Dunn 1931-5-30 Los Angeles Los Alisos Canyon Santa Monica Mountains Comment
  RSA191372  Juncus macrophyllus Robert F. Thorne, M. Z. Thorne 1967-7-19 37144 Los Angeles Angeles National Forest: Crystal Lake Recreation area, just above junction of roads to Crystal Lake and Angeles Crest Hwy. 1555 Comment
  CATA869  Juncus mexicanus Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1678 Los Angeles Santa Catalina Island: Little Harbor 4 Comment
  RSA0126995  Juncus mexicanus Louis C. Wheeler 1967-7-15 10026 Los Angeles Angeles National Forest. Mt. Waterman. Comment
  RSA158207  Juncus patens Peter H. Raven 1962-5-9 17685 Los Angeles San Clemente Island: near head of canyon above Mosquito Cove 259 Comment
  RSA0074216  Juncus phaeocephalus var. paniculatus Anstruther Davidson 1900-1 1795 Los Angeles L. A. River, Los Angeles. Comment
  RSA802565  Juncus rugulosus Orlando Mistretta, Christine Mistretta 2011-7-6 5902 Los Angeles Fall Creek Canyon; tributary of N Fork Mill Creek, along Forest Road 3N27. 1239 Comment
  RSA600629  Juncus saximontanus L. C. Wheeler 1968-9-7 s.n. Los Angeles San Gabriel Mountains: Big Pines; Headwaters of Mescal Creek. 2043 Comment
  SEINET8465036 Image available Juncus tenuis A. C. Sanders, TB. Salvato 2009-5-20 36868 Los Angeles San Gabriel Valley: Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. (Hwy 19) and west of Santa Anita Ave. 66 Comment
  UC57091  Juncus torreyi Ernest Braunton Jul 1902 559 Los Angeles Los Angeles River Comment
  RSA401722A  Keckiella antirrhinoides var. antirrhinoides A. Menke 1955-4-23 s.n. Los Angeles San Francisquito Canyon. Comment
  CAS-BOT-BC235762  Keckiella cordifolia F. Grinnell 1903-7-3 s.n. Los Angeles Scoville's [Scoville] Hill, near Pasadena Comment
  CAS-BOT-BC235763  Keckiella cordifolia C. B. Wolf 1931-6-25 2240 Los Angeles S.W. of Los Angeles Botanic Garden, along Beverly Blvd. (Mandeville Canyon) 60 Comment
  LA209263  Keckiella cordifolia R. Herley; 1932-4-26 sn Los Angeles Santa Catalina Island Comment
  RSA13230A  Keckiella cordifolia Fay A. MacFadden 1931-05 3005 Los Angeles Verdugo Mountains: Tuna Canyon. Comment
  RSA18417  Keckiella ternata subsp. septentrionalis Carl B. Wolf 1927-7-27 685 Los Angeles Ridge Route Road, 2 mi. so. of Forest Inn. Comment
  RSA529900  Keckiella ternata subsp. ternata Tim S. Ross 1991-8-16 5807 Los Angeles Colby Canyon. 1064 Comment
  RSA802449  Keckiella ternata subsp. ternata Orlando Mistretta, Cher Batchelor, Neal Kramer 2011-7-25 5975 Los Angeles On Rincon Red Box Road, in the vicinity of Newcomb Peak. 1211 Comment
  SFV16966  Keckiella ternata var. ternata J. N. Hogue 1997-7-20 94 .1 Los Angeles San Gabriel Mountains Monte Cristo Creek. 1 km east of Monte Cristo Campground. 1159 Comment
  CAS-BOT-BC176821  Kochia californica Ernest C. Twisselmann 1970-9-8 17498 Los Angeles Antelope Valley: Avenue C 0.3 mile east of Highway 14 (wastelands on the west border of Rosamond Dry Lake) 746 Comment
  RSA0103866  Kopsiopsis strobilacea Bonnie C. Templeton 1959-5-31 8259 Los Angeles On Mt. Baldy, San Gabriel Mountains. Comment
  UC1922692  Lagophylla ramosissima Scott D. White, Pam DeVries 2006-5-10 11426 Los Angeles SE TEHACHAPI MTNS.: Gorman area, valley and slopes along Gorman Creek, NE of I-15 Fwy. and SW of Gorman Post Rd. Lebec 7.5' Quad. Comment
  RSA697055  Lagophylla ramosissima subsp. ramosissima LeRoy Gross, P. Morton 2004-6-9 1365 Los Angeles West end of the main crest; From the Pacific Crest Trail (from the south) along road (7N23) pass the second Pacific Crest Trail that exits off north of the road., Finish near the NW corner of section 3 and started at the west end of section 12, west of Bear Gulch Camp. About a 4 mile hike from east to west (This for the Angeles National Forest road surveys.) 1642 Comment
  POM352645  Lamarckia aurea Bonnie C. Templeton 1939-4-26 s.n. Los Angeles Huntington Palisades, Santa Monica Mountains. Comment
  UCR180170  Lamarckia aurea R. G. Swinney 1989-5-12 s.n. Los Angeles San Gabriel Mtns., north of Glendora, 200 yds. south of Glendora Mtn Rd. on firebreak on west boundary of Glendora Wilderness Park, east of Colby Fire Rd. 473 Comment
  UCSB398  Lamarckia aurea B., K. 1943-3-25 Los Angeles Dalton C.C.C. Camp, San Dimas Experimental Forest, San Gabriel Mts. 335 Comment
  SEINET4670733  Lamarckia aurea G. Grant 1901 to 1905 665 Los Angeles Pacific Coast, Southern California, Pasadena Comment
  RSA659156  Lantana montevidensis Scarlett Mellin 1994-5-28 28 Los Angeles Diamond Bar Hills; Sycamore Canyon Park, N. of Grand Ave. on Golden Springs Drive Comment
  RSA390003  Larrea tridentata N. C. Cooper 1943-11-20 969 Los Angeles Lancaster. Mojave Desert 762 Comment
  RSA578735  Larrea tridentata Tim S. Ross, J. Mark Porter 1994-5-1 7579 Los Angeles Open desert ca. 1870m SW of Three Sisters buttes, along Black Butte Basin Road. 961 Comment
  CAS-BOT-BC338145  Lasthenia californica C. C. Parry; J. G. Lemmon 1876-1-1 193 Los Angeles Unspecified Comment
  SD85038  Lasthenia californica E. R. Blakley 1962-6-9 5178 Los Angeles San Clemente Island. 600 Comment
  RSA724500  Lasthenia chrysostoma K. Dobry 1991-4-4 407 Los Angeles Elsmere Cyn. West San Gabriel Mts. Comment
  RSA0065472  Lasthenia chrysostoma Charles D. Dunn 1972-4-2 s.n. Los Angeles W. Quartz Hill. 1219 Comment
  RSA0055760  Lasthenia coronaria R. G. Swinney 2010-4-1 12144 Los Angeles San Gabriel Mountains: Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Mac 399 Comment
  RSA608649  Lasthenia coronaria L. C. Wheeler 1931-2-27 s.n. Los Angeles Base of San Gabriel Mountains: San Dimas Wash. Comment
  POM30498  Lasthenia gracilis George B. Grant 1901-1 98 Los Angeles Probably in the vicinity of Pasadena Comment
  SBBG61621  Lasthenia gracilis R. Hoffmann 1925-4-19 Los Angeles Antelope Valley Comment
  UCD133779  Lasthenia gracilis F. H. Elmore 18-19 Feb 1939 400 Los Angeles San Clemente Island. Comment
  SD153095  Lathyrus odoratus Steven A. Junak 1997-5-19 SCl 877 Los Angeles San Clemente Island, central portion of mesa on west side of San Clement Island Ridge Road, across from the old airfield, at the east end of abandoned building site; disturbed flats 259 Comment
  RSA711508  Lathyrus tingitanus Alison Lipman 1998-6-1 s.n. Los Angeles South Coastal Plains Region: Forestal property, Rancho Palos Verdes. 305 Comment
  SEINET2062165 Image available Lathyrus vestitus subsp. alefeldii Mary V. Hood 1945-5-1 2235 Los Angeles Tapia Park area, Santa Monica Mts. 762 Comment
  POM8083  Lathyrus vestitus subsp. laevicarpus P. A. Munz, R. D. Harwood 1920-5-15 3960 Los Angeles Santa Monica. Dry hillside, Coldwater Canyon. 304 Comment
  RSA583071  Lathyrus vestitus subsp. vestitus T. S. Ross 1993-4-22 6910 Los Angeles Santa Catalina Island: SW part of the island in Bullrush Canyon; 1080 m due N of Cactus Peak (1560 ft); on terrace-like portion near base of northerly slope 259 Comment
  RSA0081780  Layia glandulosa R. G. Swinney 2010-5-12 12755 Los Angeles Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  RSA114363  Layia glandulosa P. C. Everett, E. K. Balls 1956-5-9 21565 Los Angeles 6 mi S of Lancaster along Hwy 6 762 Comment
  CAS-BOT-BC377811  Layia platyglossa Geo. B. Grant 1901-5-1 111 Los Angeles Garvanza Comment
  RSA483584  Layia platyglossa subsp. platyglossa D. Charlton 1988-4-3 1713 Los Angeles W of Lancaster on Hwy 138, Agricultural fields. Quail Lake area between Gorman and Holiday Valley. 1067 Comment
  CAS-BOT-BC534349  Lemna gibba L. R. Abrams 1913-7-18 5023 Los Angeles Russells Lake Comment
  CAS-BOT-BC221612  Lepechinia fragrans Carl Epling 1931-4-18 s.n. Los Angeles Santa Monica Mountains. Los Alisos Canyon Comment
  SDSU7301  Lepechinia fragrans D. F. Howe 1953-5-2 2270 Los Angeles Head of Wain Canyon, Comment
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Dec 5 2014
  RSA748843  Lepidium didymum Justin M. Wood 2009-4-13 492 Los Angeles Foothills above the city of Sierra Madre, one carter estates at the end of Baldwin Ave. 49 Comment
  RSA250601  Lepidium fremontii R. F. Thorne, A. C. Gibson, J. P. Simon, D. J. McGillivray 1970-4-17 39485 Los Angeles Mojave Desert: Ca. 3 mi. S of Hwy. 138 on Grandview Canyon road, ca. 9 mi. ESE of Pearblossom 1280 Comment
  SD129291  Lepidium lasiocarpum Andrew C. Sanders 1988-2-18 7691 Los Angeles El Segundo Dunes, west of Los Angeles International Airport, between Pershing Dr. and Vista Del Mar Blvd. 4 Comment
  CAS-BOT-BC89538  Lepidium lasiocarpum E. R. Blakley 1962-6-10 5231 Los Angeles California Channel Islands. San Clemente Island. Canyon mouth southeast of Eel Point, half way toward Seal Cove. 6 Comment
  SFV21022  Lepidium latifolium L. Gross 2002-10-5 668 Los Angeles Devils Gate Reservoir, northeast of the San Rafael Hills, in the Arroyo Seco, just west of Altadena. 335 Comment
  UCR126254  Lepidium nitidum A. C. Sanders 2003-3-14 25769 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 171 Comment
  CAS-BOT-BC60048  Lepidium virginicum var. menziesii Tim Ross; Steve Boyd 1991-4-25 4608 Los Angeles San Gabriel Mountains. Lower Graveyard Canyon (which joins the lower east Fork of the San Gabriel River). 469 Comment
  UCR209456  Lepidium virginicum var. pubescens R. G. Swinney 2008-10-10 9544 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  CAS-BOT-BC328058  Lepidospartum squamatum J. Ewan 1931-10-24 5272 Los Angeles 1 mile above Malibu Lake. Santa Monica Mts. Comment
  CAS-BOT-BC328075  Lepidospartum squamatum Timothy S. Ross; Steve Boyd 1994-9-20 8252 Los Angeles Upper Bouquet Canyon, ca 2225 m WCW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet Reservoir, 993 Comment
  RSA59579  Lepidospartum squamatum Verne Grant 1950-11-5 9020 Los Angeles In dry wash at base of hills in coastal sage scrub, north of Claremont. Comment
  RSA712713  Lepidospartum squamatum A. C. Sanders 2003-3-14 25762 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 freeway east of the San Gabriel River channel. 159 Comment
  UCR271843  Lepidospartum squamatum R. G. Swinney 2011-10-27 15921 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
  IRVC28765  Leptochloa uninervia A. C. Sanders, Mark Elvin 2002-8-7 25555 Los Angeles north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur Santa Clara River Valley 274 Comment
  RSA628814  Leptodactylon pungens Scott D. White, Dave Bramlet 1998-6-29 6822 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness; 4-mile closed section of Hwy. 39 from ca. 1.6 miles W of jctn. Crystal Lake access road to jct. Hwy 2. 1707 Comment
  RSA73037  Leptosiphon breviculus F. W. Peirson 1926-4-27 6665 Los Angeles San Gabriel Mountains. North side of San Gabriel Mountains, Rock Creek. 1296 Comment
  RSA78095  Leptosiphon breviculus Verne Grant, Alva Grant 1953-6-24 18498 Los Angeles San Gabriel Canyon, San Gabriel Mts. Comment
  LA52341  Leptosiphon parviflorus Martha Hilend; M. Canby Reis 1933-5-17 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  UCR223239  Lessingia filaginifolia R. G. Swinney 2009-7-23 11376 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  SBBG63088  Lessingia glandulifera var. glandulifera R. Hoffmann 1931-9-28 Los Angeles 4 mi W of Harold Comment
  POM11333  Lewisia rediviva I. M. Johnston 1917-7-3 1412 Los Angeles San Antonio Mountains: Head of San Antonio Canyon [Los Angeles Co?] 2439 Comment
  RSA587496  Leymus condensatus Orlando Mistretta 1994-9-13 1470 Los Angeles Santiago Canyon; Santiago Creek near junction of Forest Road 4N20 and BM 3980. 1213 Comment
  SFV21451  Leymus condensatus L. Gross, V. Soza, S. Tessel 2001-6-4 399 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. Side draw north of Ledge Ave. 274 Comment
  UCD64305  Leymus condensatus A. C. Sanders 2003-5-22 26820 Los Angeles San Gabriel Valley, boundary between Irwindale and Azusa, east of Irwindale Ave., S of 210 Fwy (which bisects pit), N of Santa Fe RR, E of the San Gabriel River channel. 170 Comment
  RSA702819  Lilium humboldtii subsp. ocellatum Scott D. White 2004-8-20 10725 Los Angeles Upper Big Tujunga Canyon. West of Upper Big Tujunga Cyn Rd, ca. 2 air miles N of jtn w/ Angeles Crest Hwy. 1067 Comment
  UCR48939  Limonium perezii A. C. Sanders 1987-7-22 7178 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  RSA469954  Linanthus aureus N. C. Cooper 1948-4-21 2672 Los Angeles Littlerock. 762 Comment
  UC1871351  Linanthus aureus subsp. aureus T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 5024 Los Angeles Transverse Ranges; San Gabriel Mountains region; 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash; Acton USGS 7.5' Quadrangle; T4N R13W, N/2 NE/4 NE/4 S1; elev. 2760-2880 ft. Comment
  UC908646  Linanthus aureus subsp. aureus Herbert L. Mason 1926-4-26 2945 Los Angeles Pacoima Wash, foothills of San Gabriel Mountains San Gabriel Mountains Comment
  UC908803  Linanthus bigelovii Herbert L. Mason 1932-4-1 6860 Los Angeles 1 mi e Lancaster; Mohave Desert Comment
  RSA595556  Linanthus californicus Alan Prather, Alice Hempel 1993-5-17 1351 Los Angeles Angeles National Forest, along Glendora Mountain Road, 27.4 km N of the intersection with Boulder Springs drive (just S of the entrance to the National Forest). Comment
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Oct 29 2014
  UCR276774  Linanthus californicus R. G. Swinney 2011-5-16 14724 Los Angeles San Gabriel Mountains, Camp Colby (C. Ranch), upper Coldwater Cyn., 150 m south of lodge in center of camp, 1.18 miles at 73 deg. SSE of jct. of Colby Ranch Rd. and FS Rd 3N19 in Big Tujunga Cyn. 1122 Comment
  UC1058205  Linanthus dianthiflorus C. McMillan and R. Moran 1949-4-9 1515 Los Angeles above Malibu Beach (mouth of Winter Canyon); Winter Canyon Comment
  RSA0116314  Linanthus dichotomus A. C. Sanders, T. B. Salvato, Aaron Keller 2006-3-22 31965 Los Angeles Tehachapi Mtns. Foothills: south side of Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake. 1006 Comment
  RSA515174  Linanthus dichotomus subsp. dichotomus Steve Boyd 1986-3-31 1564 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  RSA594955  Linanthus parryae T. S. Ross 1995-4-26 8395 Los Angeles Head of Liebre Gulch drainage along Forest Service Road 8N05, between Sandberg and Bald Mountain; ca 1740 feet W of Sandberg BM (4164 ft). 1204 Comment
  UCR191696  Linanthus parryae A. C. Sanders 2008-4-23 35070 Los Angeles Transverse Range; western San Gabriel Mtns., upper Cow Spring Canyon, gravelly draw on slope in side canyon to the east 1108 Comment
  UCSB18571  Linanthus parryae Shaw, Merrilee 1963-5-3 Los Angeles along State Highway 138, 9.4 miles west of San Bernardino Co. Line, Mojave Desert 975 Comment
  UC54706  Linanthus parviflorus Ernest Braunton Mar 1903 853 Los Angeles Playa del Rey Comment
  CATA3358  Linum usitatissimum Amy Catalano 2017-4-25 065 Los Angeles Santa Catalina Island: NW end of Little Harbor Campground, old horse tie-out post at campsite #2 13 Comment
  RSA782182  Lithophragma R. G. Swinney 2009-4-15 10341 Los Angeles north of Azusa, El Encanto Azusa River Wilderness Park 296 Comment
  CAS-BOT-BC426271  Lithophragma affine S. B. Parish 1919-4-19 19263 Los Angeles Lone Hill, near San Dinias Comment
  RSA646990  Lithophragma affine LeRoy Gross, Michael Honer, Leland Lubinsky 2000-4-27 199 Los Angeles San Rafael Hills: South of Descanso Garden and north of the main ridge. 487 Comment
  UC519998  Lithophragma affine Louis C. Wheeler 1932-3-26 533 Los Angeles Puddingstone Dam , Puddingstone Dam (San Jose Hills) 274 Comment
  UCR190036  Lithophragma affine R. G. Swinney 1998-6-16 6973 Los Angeles San Gabriel Mtns., c. 0.6 mi. north of Cow Canyon Saddle (Glendora Ridge Rd. at Cow Canyon Rd.) near trail to Lookout (Antonio) Mtn. 1524 Comment
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May 8 2012
  CAS-BOT-BC441131  Lithophragma parviflorum Timothy S. Ross; Steve Boyd 1994-5-11 7822 Los Angeles Sawmill Mountain: N slope of the W summit area, about headwaters of West Fork Devils Gulch. Burnt Peak. 1548 Comment
  RSA286659  Lithophragma tenellum R. F. Thorne, Larry E. DeBuhr 1974-6-28 44759 Los Angeles Angeles National Forest: Lily Springs area on N slope of Mt. Hawkins, drainage of S Fork Big rock Creek. 2439 Comment
  SEINET191589  Loasaceae Lewis S. Rose 1940-3-15 40125 Los Angeles Redondo Beach 15 Comment
  POM4571  Lobelia dunnii var. serrata L. R. Abrams 1900-8-9 883 Los Angeles San Gabriel River Canyon, San Gabriel Mountains. Comment
  RSA439333  Lobelia dunnii var. serrata L. E. Hoffman 1927-8-19 s.n. Los Angeles Arroyo Seco, near Switzer's Camp Comment
  POM147411  Loeseliastrum matthewsii Thos. Craig 1927-6-19 488 Los Angeles 3 miles west of Ravenna. Comment
  RSA0013198  Logfia filaginoides Orlando Mistretta, Christine Mistretta 2011-7-13 5937 Los Angeles Fall Creek Cyn near confluence with Big Tujunga Cyn, along Forest Road 3N27. 1005 Comment
  UC206243  Logfia filaginoides Katharine Brandegee Los Angeles Santa Catalina Id. Comment
  RSA725310  Lolium perenne subsp. multiflorum K. Dobry 1991-6-13 d- 701 Los Angeles Santa Monica Mts. Las Virgenes and Mulholland Hwy at Soka Univ. Comment
  UCR167211  Lomatium mohavense 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
  UCSC001451  Lomatium mohavense Peter Kamb 1948-5-6 964 Los Angeles desert foothills of the San Gabriel Mts. above Little Rock Little Rock, San Gabriel Mts 975 Comment
  UC21268  Lomatium utriculatum Samuel B. Parish June 1887 1944 Los Angeles Elizabeth Lake Comment
  POM3247  Lomatium vaginatum P. A. Munz 1918-5-19 2265 Los Angeles Hills south of Pomona. Comment
  RSA100194  Lonicera hispidula var. vacillans F. W. Peirson 1918-6-15 264 Los Angeles Mint Canyon at northwest corner of San Gabriel Mts. Comment
  SD153100  Lonicera hispidula var. vacillans Steven A. Junak 1996-7-24 SCI 652 Los Angeles San Clemente Island; Box Canyon, 1.2 miles inland from beach. 245 Comment
  RSA535695  Lotus argophyllus subsp. ornithopus T. S. Ross 1991-5-22 5454 Los Angeles San Clemente Island: Spray (Point), W side of island about 5300 feet N of Eel Point. 9 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
  UCR65563  Lotus argophyllus var. adsurgens Aaron Liston, Et al. 1989-4-30 803 -2 Los Angeles Channel Islands, San Clemente IslandPyramid Head, S end of the island 15 Comment
  RSA782202  Lotus crassifolius R. G. Swinney 2009-8-25 11479 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  POM210538  Lotus crassifolius var. crassifolius Victor Duran 1933-7-6 3506 Los Angeles Horse Flats, San Gabriel Mountains 1677 Comment
  RSA406100  Lotus crassifolius var. crassifolius F. C. Boutin 1966-4-12 s.n. Los Angeles Mtl Lukens, north of La Crescenta 1524 Comment
  RSA406917  Lotus dendroideus var. dendroideus F. R. Fosberg 1931-5-21 S 4940 Los Angeles Santa Catalina Island. Between Cherry Valley and Howlands Landing. 20 Comment
  RSA729825  Lotus grandiflorus var. grandiflorus R. G. Swinney 1998-7-2 6268 Los Angeles San Gabriel Mtns.: north of Table Mountain, Wrightwood area, 1.9 mi. north of junction of roads 4N21B, 4N21A, and 4N21 on ridge north of end of 4N21. 1890 Comment
  POM19154  Lotus scoparius var. brevialatus P. A. Munz 1923-5-27 6887 Los Angeles Mt. Wilson Comment
  RSA647855  Lotus scoparius var. scoparius LeRoy Gross, Laura Moore 2000-6-5 202 Los Angeles Verdugo Mountains: Canyon east of Brand Canyon by the Brand Lateral Trail, out of Brand Park, north of corners of Grandview & Mountain, Glendale. 274 Comment
  IRVC29653  Lotus strigosus A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26233 Los Angeles Castaic, south side of Lake Hughes Rd. near Ridge Route, west of Castaic Creek, Newhall Ranch property Western San Gabriel Mtns. 351 Comment
  RSA406297  Lotus strigosus F. R. Fosberg 1930-6-30 53063 Los Angeles Del Rey 3 Comment
  RSA598365  Lotus strigosus L. C. Wheeler 1967-5-24 9735 Los Angeles San Gabriel Mountains. Indian Canyon, near mouth. 701 Comment
  RSA709946  Lotus strigosus var. strigosus LeRoy Gross 2005-4-28 2145 -b Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  RSA596397  Lotus unifoliolatus T. S. Ross 1990-6-18 3495 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  POM201889  Lotus unifoliolatus L. M. Booth 1932-06 1258 Los Angeles Long Beach. Comment
  SFV11226  Lotus wrangelianus D. K. Shayne 1966-3-9 116 Los Angeles Santa Susana Mountains Above Zelzah Street. Comment
  CAS-BOT-BC198389  Lupinus albifrons L. R. Abrams 1901-4-1 1230 Los Angeles Ballona Harbor Comment
  SEINET10488415  Lupinus albifrons David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 year old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by d.b.dunn. Rsa # 6450 x 7325 (2) Comment
  CAS-BOT-BC201412  Lupinus albifrons var. albifrons L. R. Abrams 1941-4-18 13867 Los Angeles State Highway 138 one mile east of junction with U.S. Highway 99 Comment
  RSA0072197  Lupinus albifrons var. austromontanus Daisie Huang 2008-5-13 08051303 Los Angeles North Peace Valley Rd, 0.5 miles E of entrance to Hungry Valley SVRA. 1200 Comment
  UCR141363  Lupinus andersonii R. G. Swinney 1997-8-19 5809 Los Angeles San Gabriel Mtns, Antonio Peak (Lookout Mtn.), ridge east of Cattle Canyon and west of the west fork of Bear Canyon. 2073 Comment
  UCR124470  Lupinus arbustus subsp. arbustus B. C. Templeton 1932-5-31 4857 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  RSA772400  Lupinus bicolor R. G. Swinney 2009-5-12 10727 Los Angeles Transverse Range, San Gabriel Mountains, Alimony Ridge, Junction of Alimony Ridge and Alimony Ridge Rd. and to 0.5 mi NW up ridge. 1435 Comment
  UC201089  Lupinus bicolor Katharine Brandegee Los Angeles Santa Catalina Comment
  UCR281388  Lupinus bicolor R. G. Swinney 2014-5-27 16662 Los Angeles San Gabriel Mountains, Glendora, ridge between east and north forks of Hook Cyn., c. 400 m south of Glendora Ridge Mtwy. & 200 m north of Church of the Open Door, NE of Hook Cyn. debris basin 445 Comment
  RSA756009  Lupinus bicolor Orlando Mistretta, Christine Mistretta 2008-4-29 2548 Los Angeles Southern California Edison transmission line tower (Segment 5, structure 65 per TRTP Survey 2008), just E of State Hwy 14 (Antelope Valley Fwy), in the vicinity of Vincent. 976 Comment
  POM243684  Lupinus bicolor subsp. microphyllus F. R. Fosberg 1931-6-29 4377 Los Angeles Hamilton Canyon, near Avalon, Santa Catlina Island. 100 Comment
  POM350041  Lupinus bicolor subsp. microphyllus Robert Gustafson 1981-3-26 2139 Los Angeles Ballona Wetlands, Area 1. Comment
  SEINET10484977  Lupinus bicolor var. umbellatus Robert F. Thorne 1973-4-11 Thorne 42816 Los Angeles San clemente island: plateau w of upper end of norton canyon, elev. C. 1300 Ft, Grassland with annual grasses, gilia nevinii, brodiaea kinkiensis, plantago Erecta, borages, microseris spp., Etc. 396 Comment
  CATA1628  Lupinus concinnus Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Lisa Stratton 1998-5-2 2901 Los Angeles Santa Catalina Island: Near Divide Road, east end 1.7 miles from Wrigley Memorial 275 Comment
  RSA597007  Lupinus concinnus T. S. Ross 1990-6-25 3902 Los Angeles ridgetop to the NW of Crystal Lake (ridge descending SSW from Mt. Islip) 2072 Comment
  UCR138700  Lupinus concinnus L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mtns, Mesa on E side of Cruthers Creek, Lewis Ranch 1357 Comment
  RSA87316  Lupinus concinnus F. W. Peirson 1923-4-10 3426 Los Angeles South slope Canyon close below Summit Plateau, San Clemente Island Comment
  SBBG4418  Lupinus excubitus C. Bornstein, D. Kershaw 1998-6-5 Los Angeles Liebre Mtn, on Liebre/Sawmill rd, 1.3 mi from jct of Old Ridge Rd 1356 Comment
  UCR238097  Lupinus excubitus Mark A. Elvin, Scott Boczkiewicz 2003-5-15 2783 Los Angeles Western Transverse Range; Santa Susana Mountains, Newhall Ranch, crest of mountains at head of Salt Creek watershed, near Ventura Co. line 884 Comment
  CAS-BOT-BC205408  Lupinus excubitus var. austromontanus Timothy S. Ross 1995-4-26 8381 Los Angeles Liebre Mountains. West end of Liebre Mountain along Forest Service Road 7N23 ca 1.0 road-mile NE of its junction with the Old Ridge Route; ca 4080 ft SSW of Sandberg Triangulation Point (5345 ft.) 1362 Comment
  RSA714383  Lupinus excubitus var. austromontanus T. S. Ross 1990-6-11 3380 Los Angeles Big Rock Creek Canyon, along stream and immediately adjacent flats and slopes; ca 130m N to 250m NNW of Icy Springs. 1713 Comment
  UC865154  Lupinus excubitus var. hallii F. R. Fosberg 1931-5-12 S 4849 Los Angeles Descanso Canyon near Coach Road Santa Catalina Id. (Santa Catalina Id.); , Descanso Canyon near Coach Road 300 Comment
  SBBG69100  Lupinus formosus R. Hoffmann 1931-5-2 511 Los Angeles above narrow Bouquet Cyn Comment
  SD87883  Lupinus formosus F. W. Peirson 1924-5-26 4638 Los Angeles South slope, Strawberry Peak; San Gabriel Mountains. Comment
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Nov 10 2010
  RSA91196  Lupinus formosus var. formosus F. W. Peirson 1919-5-10 4 Los Angeles Arraster Creek 915 Comment
  UC15879  Lupinus hirsutissimus J. H. Barber 1897-3-15 57 Los Angeles Sta Monica Expt Station Comment
  CAS-BOT-BC211683  Lupinus longifolius S. F. Blake 1910-8-5 572 Los Angeles Elysian Park Comment
  CAS-BOT-BC211698  Lupinus longifolius Charlotte Hoak 1947-4-26 11701 Los Angeles Montrose, near La Canada Comment
  CAS-BOT-BC211705  Lupinus longifolius C. B. Wolf 1931-6-25 1113 Los Angeles SW of Los Angeles Botanic Garden, along Beverly Blvd. Mandeville Canyon 60 Comment
  CAS-BOT-BC211718  Lupinus longifolius LeRoy Abrams 1902-7-10 2505 Los Angeles Playa del Rey Comment
  RSA0062868  Lupinus longifolius Daisie Huang 2008-4-6 08040601 Los Angeles Deer Creek Rd, right off of PCH. Malibu. 17 Comment
  SDSU19994  Lupinus longifolius S. H. Bullock 1968-4-6 54 Los Angeles Claremont, north of Foothill Blvd. between Dartmouth and College Ave. 366 Comment
  SEINET10969986  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
  OBI48495  Lupinus microcarpus var. microcarpus Rhonda Riggins 1982-4-16 1349 Los Angeles W edge Antelope Valley, Ca 198 3.1 mi W jct Co. Rd N2 5.6 mi W Gorman Post Rd and I5 Comment
  RSA0003469  Lupinus moranii Reid V. Moran 1941-2-18 587 Los Angeles San Clemente Island: Middle Ranch Creek 30 Comment
  SEINET10486197  Lupinus ruber David B. Dunn 1946-4-20 Dunn 2148 Los Angeles Station 64, west margin of Mohave Desert. Comment
  RSA0064301  Lupinus sparsiflorus Daisie Huang 2008-4-1 08040102 Los Angeles Road to Lake Piru Recreation Area. 94 Comment
  SFV21652  Lupinus sparsiflorus J. N. Hogue 2010-5-1 s. n. Los Angeles San Gabriel Mountains Big Tujunga Canyon. Roadside near Wildwood. 580 Comment
  SFV11234  Lupinus sparsiflorus D. K. Shayne 1966-3-9 107 Los Angeles Santa Susana Mountains Above Zelzah Street. Comment
  RSA702191  Lupinus sparsiflorus subsp. sparsiflorus Scott D. White, Pam De Vries 2004-6-14 10485 -A Los Angeles Eastern Santa Susana Mountains. West of the I-5 Freeway, ca. 4 mi N of I-5 / SH-14 jtn and 6 mi S of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  RSA82618  Lupinus sparsiflorus subsp. sparsiflorus P. A. Munz 1925-4-23 9457 Los Angeles San Gabriel Canyon. 488 Comment
  CHSC35824  Lupinus succulentus William Fugimoto 1971-5-2 31 Los Angeles Ca. 4 miles East of Malibu, 1 mile North of Hwy. 1 on Los Flores Cyn. Rd. in Santa Monica Mtns. 457 Comment
  SD37927  Lupinus succulentus Edith A. Purer 1935-5-11 6588 Los Angeles Milibou Road, Santa Monica Mountains. Comment
  UCR124742  Lupinus succulentus B. C. Templeton, I. W. Clokey 1930-4-2 4411 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive northwest of Hollywood 610 Comment
  RSA213356  Lupinus succulentus Reid V. Moran 1941-3-2 666 Los Angeles Between Wilsons Cove and Howlands, Santa Catalina Island 25 Comment
  RSA619262  Lupinus truncatus R. S. Woglum 1930-5-17 s.n. Los Angeles South Coast: Pasadena. Comment
  UCR231800  Lupinus truncatus Darren T. Hasegawa 2007-4-8 s.n. Los Angeles San Gabriel Mtns, Eaton Canyon Park, Angeles National Forest, c. 2 mi. north of I-210 366 Comment
  UCR78134  Lupinus truncatus Wandalee Thompson 1964-4-11 10 Los Angeles San Gabriel Mtns., Liebre Mountains, Angeles National Forest, near Green Valley, San Francisquito Canyon 854 Comment
  RSA276048  Lupinus truncatus Jack Delaini 1974-5-9 187 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles national Forest 533 Comment
  SEINET12154801  Lupinus truncatus J. F. Bright 1934-1 9253 Los Angeles Santa Monica Coast Range Comment
  SEINET10818932  Lycopersicon esculentum Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2588 Los Angeles City of Pasadena. Trader Joe's, 610 S. Arroyo Pkwy. Comment
  UCR86519  Lyonothamnus floribundus subsp. aspleniifolius T. S. Ross, E. Kellogg 1992-4-12 6129 Los Angeles San Clemente Island, 110 degrees ESE, 480-600m from Vista (point), at the head of Grove Canyon 495 Comment
  SBBG13287  Lyonothamnus floribundus var. aspleniifolius M. A. Piehl 1962-6-10 62404 Los Angeles cyn E of Thirst 304 Comment
  CATA1310  Lythrum hyssopifolia Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2401 Los Angeles Santa Catalina Island: Lower Cape Canyon, just up from Middle Canyon 213 Comment
  UCR223327  Machaeranthera canescens R. G. Swinney 2009-8-25 11464 Los Angeles Transverse Range; San Gabriel Mtns., west summit of Table Mountain, NE of Big Pines 2291 Comment
  RSA93173  Machaeranthera canescens var. canescens F. W. Peirson 1923-8-30 4008 Los Angeles Le Montaine, north of Big Pines, ['Mescal Creek'] 2226 Comment
  LA88348  Madia elegans O. H. Kappler; 1943-7-4 505 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UCR93302  Madia elegans subsp. vernalis T. S. Ross, Steve Boyd 1994-5-4 7659 Los Angeles San Gabriel Mtns., NE summit of Grass Mtn: N slopes draining toward Elizabeth Lake; S slopes toward Green Valley 1390 Comment
  RSA188027  Madia exigua R. F. Thorne 1966-4-29 36319 Los Angeles Santa Catalina Island: below road to White's Landing above turn-off to Echo Lake 411 Comment
  CAS-BOT-BC343071  Madia gracilis Louis C. Wheeler 1932-5-21 741 Los Angeles Head of Mandeville Canyon, Santa Monica Mts. 533 Comment
  RSA591976  Madia gracilis Mark Hoefs 1974-5-2 444 Los Angeles South side of Black Jack Mt., Santa Catalina Island. 488 Comment
  UCR179464  Madia gracilis R. G. Swinney, Dave Larson 1996-8-7 5249 Los Angeles Eastern San Gabriel Mountains., San Dimas Experimental Forest, head of Dry Lake Canyon at 'Dry Lake,' site of CCC camp in 1930s = Browns Flat 1524 Comment
  JEPS7520  Madia gracilis Frank W. Peirson 1919-6-5 508 Los Angeles San Antonio Canyon, very close to boundary of San Bernardino County Angeles National Forest, San Gabriel Mts. Comment
  POM362203  Madia sativa Louis Greata 1900-9-10 4097 Los Angeles Cambell-Johnston Ranch Comment
  RSA320826  Malacothamnus clementinus F. C. Boutin 1967-4-23 1653 Los Angeles San Clemente Island: E side of island, Lemon Tank, a dump site. 305 Comment
  NY37578  Malacothamnus clementinus R. V. Moran 1975-8-24 22697 Los Angeles This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC230899  Malacothamnus davidsonii Le Roy Abrams; E. A. McGregor 1908-7-2 576 Los Angeles Rock Creek, desert slopes of the San Gabriel Mountains 1371 Comment
  RSA0085347  Malacothamnus davidsonii R. G. Swinney 2010-5-4 12528 Los Angeles North of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park. 457 Comment
  SEINET4044543  Malacothamnus fasciculatus D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains, Malibu Creek State Park. 259 Comment
  SFV7112  Malacothamnus fasciculatus K. A. Wilson 1974-8-21 1438 Los Angeles Santa Monica Mountains 2 miles west of Las Virgenes Road. 300 Comment
  UCR209501  Malacothamnus fremontii R. G. Swinney 2008-6-17 9036 Los Angeles San Gabriel Mountains, 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1992 Comment
  SBBG72791  Malacothamnus orbiculatus R. Hoffmann 1927-6-14 Los Angeles E end of Pine Cyn Comment
  UC1375262  Malacothamnus orbiculatus Robert F. Thorne and C. W. Tilforth 1971-6-29 40710 Los Angeles at Tie Canyon where crossed by Angeles Forest Rd.; San Gabriel Mountains, Angeles National Forest, Aliso Creek 1371 Comment
  CAS-BOT-BC345317  Malacothrix californica Carl B. Wolf 1937-4-28 8509 Los Angeles Western Mojave Desert. Antelope Valley, 2 mi. E. of Fairmont 822 Comment
  RSA758058  Malacothrix clevelandii D. E. Bramlet, Jennifer Pareti 2008-4-14 4191 Los Angeles Transverse Ranges; Liebre Mtns region: Bouquet Canyon. 762 m SE of Bouquet Cyn Rd, & 549 m S Hayfork Rd. Comment
  SBBG66077  Malacothrix clevelandii R. Hoffmann 1930-5-19 Los Angeles Mint Cyn, 4 mi E of Oaks Garage Comment
  RSA585336  Malacothrix coulteri Timothy S. Ross 1991-4-27 4725 Los Angeles Black Butte: rocky easterly and northeasterly slopes. 960 Comment
  RSA362280  Malacothrix foliosa M. B. Dunkle 1939-4-2 7211 Los Angeles Southeast corner of San Clemente Island Comment
  SD91996  Malacothrix foliosa subsp. foliosa Reid Moran, R. M. Beauchamp and T. Oberbauer 1975-8-24 B 22699 Los Angeles San Clemente Island, China Canyon. 74 Comment
  RSA587717  Malacothrix saxatilis var. tenuifolia Steven A. Junak, Mary C. Hochberg, H. L. Ferguson 1981-7-28 sci 13 Los Angeles San clemente Island, NW portion of island, at N end of beach at W Cove 5 Comment
  RSA596277  Malacothrix saxatilis var. tenuifolia R. G. Swinney 1989-5-12 s.n. Los Angeles In and near Glendora Wilderness Park. Firebreak on west boundary of the park, east of Colby fire road, 200 yards south of Glendora Mountain Road. 488 Comment
  UCR273180  Malacothrix saxatilis var. tenuifolia R. G. Swinney 2011-5-6 14616 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
  SBBG112869  Malosma laurina S. A. Junak with K. Kirkland 1998-7-17 SCa 778 Los Angeles lower portion of Silver Cyn, ca. 0.5 air mi inland from beach 36 Comment
  UC1595398  Malosma laurina Tim Ross, Peter Fritsch 1990-6-20 3698 Los Angeles San Gabriel Mountains, w side of Van Tassel Canyon, Forest Service Road 1N36 heading s from Rincon-Red Box Road Van Tassel Canyon; San Gabriel Mountains, Van Tassel Canyon 472 Comment
  UC17937  Malosma laurina J. H. Barber 1897-9-8 277 Los Angeles Santa Monica Exp't. Station Comment
  UCSB69226  Malosma laurina Gross, LeRoy; Soza, Valerie; Tessel, Samantha 2001-6-4 Los Angeles Los Angeles Basin; Verdugo Mountains Region; northwest side, just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek; City of Sun Valley 274 Comment
  UCR197085  Malus sylvestris LeRoy Gross, R. E. Riefner Jr. 2007-6-25 2829 Los Angeles Transverse Ranges; Verdugo Mountains, southeast side of the San Rafael Hills, behind a power substation near a small pond, at end of Wierfield Drive 313 Comment
  UCR205664  Malva parviflora A. C. Sanders, T. B. Salvato 2009-5-20 36880 Los Angeles San Gabriel Valley, Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. (Hwy 19) and west of Santa Anita Ave. 69 Comment
  SD125984  Malva pseudolavatera A. C. Sanders 1988-5-18 7818 Los Angeles El Segundo Dunes, immediately west of L. A. Int. Airport and east of Vista Del Mar Blvd. Comment
  RSA595944  Malvella leprosa Steve Boyd, Mark A. Elvin, Victoria Jotikasthira 1996-6-25 8880 Los Angeles Liebre Mountains, southeastern end of Peace Valley in San Andreas Rift Zone, fault sag south of Highway 138 and north of the California Aqueduct, ca. 0.75 air miles west of Quail Lake. 1006 Comment
  RSA4834  Malvella leprosa James Snow s.n. Los Angeles Bryant Ranch, near Long Beach. Comment
  RSA632521  Manihot dulcis L. C. Wheeler 1964-8-24 s.n. Los Angeles University of Southern California.: Kerckhoff Estate 734 W. Adams Blvd. Los Angeles. Comment
  CAS-BOT-BC518704  Manihot grahamii R. G. Swinney 2010-6-11 13248 Los Angeles San Gabriel Mountains: Azusa/Duarte, walking path under the Puente Largo RR bridge, main channel of San Gabriel River Wash, 0.5 mi N of Foothill Blvd. 184 Comment
  CDA1007  Marah macrocarpa D. G. Kelch 1991-3-17 1316 Los Angeles Santa Catalina Is.; 1.5 km N of Avalon. 0 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
  UCR281954  Marrubium vulgare R. G. Swinney 2014-5-15 16539 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
  LA33773  Marrubium vulgare Peter H. Raven; 1959-5-3 14102 Los Angeles Santa Monica Mountains, Franklin Canyon, 0.1 mi S of Mulholland Dr 350 Comment
  SD31198  Matricaria discoidea Edith A. Purer 1931-3-26 979 Los Angeles Palos Verdes Hills Comment
  CHSC98728  Meconella denticulata LeRoy Gross; Bill Hogshead, Valerie Soza 2003-5-29 963 Los Angeles Transverse Ranges; Verdugo Mountains region; west end of the mountains. At junction (saddle) of Verdugo motorway and Wildwood Fire Road. (Abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago.) We went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Motorway). Basically a triangle. UTM Zone: 3787784N 0378385E. 549 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
  UCSB3430  Medicago polymorpha Haller, Norman 1953-3-29 Los Angeles Mulholland Dr., 1 mile West of Sepulveda Blvd., Santa Monica Mts. 457 Comment
  UCR162587  Medicago sativa Anuja Parikh, Nathan Gale 2004-6-22 2070 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 13), near the Ventura County line, downstream of Mayo Spur 305 Comment
  UC53921  Melampodium perfoliatum Ernest Braunton Aug 1902 625 Los Angeles Cienega Comment
  OBI69223  Melica imperfecta Steve Boyd, Lauren Raz 1997-3-25 9307 Los Angeles Liebre Mts Region: Upper end of broad alluvial valley at head of Cienaga Cyn, S base of Liebre Mtn, at end of dirt rd leading 1 km NE of Knapp Ranch. T7N R17W E1/2 SW 1/4 sec 14 1280 Comment
  POM50508  Melica imperfecta Le Roy Abrams 1901-04 1346 Los Angeles San Fernando Mts. 762 Comment
  RSA0084869  Melica imperfecta R. G. Swinney 2010-5-4 12556 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  RSA773282  Melica imperfecta R. G. Swinney 2009-5-20 10814 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  UCR260336  Melica imperfecta R. G. Swinney 2010-5-4 12556 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
  UCR270040  Melica imperfecta R. G. Swinney 2011-4-9 14377 Los Angeles San Gabriel Mountains, NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  UCR281373  Melica imperfecta R. G. Swinney 2014-5-19 16590 Los Angeles San Gabriel Mountains, Glendora, ridge between east fork of Harrow Cyn. and west fork of Engelwild Cyn., 0.4 mile SSE of Glendora Ridge Motorway 622 Comment
  SEINET3129501  Melica stricta Unknown 3719 Los Angeles Acton, MT Gleason Comment
  CATA958  Melilotus albus Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-21 1823 Los Angeles Santa Catalina Island: Cottonwood Canyon, southeast of El Rancho Escondido 45 Comment
  UCR259925  Melilotus albus R. G. Swinney 2010-4-1 12149 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
  OBI69389  Melilotus indicus Vicki Arnold 1994-4-21 31 Los Angeles Los Angeles River adj to Lake Balboa N of Burbank Blvd on Balboa Blvd, Van Nuys Comment
  RSA0127373  Melilotus indicus Louis C. Wheeler 1967-7-20 10123 Los Angeles Aliso Canyon. 1067 Comment
  RSA654334  Melilotus indicus Benjamen Rangel 1992-5-10 777 -40 Los Angeles In the avocado orchard behind the dormitories at Cal Poly Pomona; in the back side of the orchard by the freeway fence and the water drainage. Comment
  UCR252752  Mentha X rotundifolia R. G. Swinney 2010-9-1 13656 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  JEPS41225  Mentzelia congesta Frank W. Peirson 1923-5-25 3523 Los Angeles San Gabriel Mountains, Rock Creek Comment
  SEINET13203253 Image available Mentzelia congesta R. G. Swinney 2011-1 14504 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservior (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  RSA589258  Mentzelia jonesii Tim S. Ross 1991-4-27 4671 Los Angeles Mojave Desert: Black Butte Basin Road; 2.75 miles and ca. 145 deg. SW of Three Sisters [Buttes]. 1003 Comment
  UC672669  Mentzelia jonesii H. L. Mason 1932-4-1 6871 Los Angeles 1 m e Lancaster; Mohave Desert Comment
  UC1279994  Mentzelia micrantha Peter H. Raven, H. L. Wedberg 1957-6-15 10906 Los Angeles 8 mi n U.S. 101A; Santa Monica Mountains, Latigo Canyon Comment
  RSA69576  Mentzelia micrantha F. W. Peirson 1925-4-23 5797 Los Angeles Forks of San Gabriel River. 534 Comment
  UC1178620  Mentzelia ravenii Peter Kamb 1948-5-6 956 Los Angeles above Little Rock; Desert foothills of San Gabriel Mts. 975 Comment
  CAS-BOT-BC167626  Mentzelia veatchiana Timothy S. Ross; Steve Boyd 1994-5-24 7860 Los Angeles Northeast summit of Grass Mountain: north slopes draining toward Elizabeth Lake; south slopes toward Green Valley 1389 Comment
  UC917117  Mentzelia veatchiana D. C. Finfrock 1950-4-21 25 Los Angeles 2.5 mi Gorman (on Lancaster road) Comment
  UCR190360  Mentzelia veatchiana R. G. Swinney 2001-6-16 7981 Los Angeles San Gabriel Mtns., Juniper Hills, top of Pleasant View Ridge, south of intersection of 104th St. E and Juniper Hills Rd. 2006 Comment
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Mar 12 2017
  UCR222790  Mentzelia veatchiana R. G. Swinney 2009-5-12 10747 Los Angeles Transverse Range; San Gabriel Mtns., lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg. ) of Littlerock 1088 Comment
  RSA446794  Mentzelia veatchiana Cameron Blake, Jane Turner, Francis M. Ball 1962-6-2 959 Los Angeles Roadside, Angeles Crest Hwy. ca. 4 mi. S of jct. with US Hwy. 6 1220 Comment
  RSA0121221  Mesembryanthemum crystallinum Mary D. Merilatt 1936-7-10 s.n. Los Angeles Palos Verdes Hills, San Pedro. Comment
  UCR192584  Microseris douglasii A. C. Sanders 2008-4-10 34795 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 0.85 mile SSW of Neenach School, along dirt track beside old fence line 938 Comment
  UCR238093  Microseris heterocarpa Mark A. Elvin, Cathleen Weigand 2003-5-22 2892 Los Angeles Western Transverse Range; Santa Susana Mtns., crest of mountains at head of Salt Canyon, Newhall Ranch 915 Comment
  POM19200  Microseris lindleyi P. A. Munz 1923-5-27 6884 Los Angeles Big Rock Creek 1296 Comment
  POM6702  Microseris lindleyi L. T. Street, G. Williams 1919-4-12 2499 Los Angeles Hills near Puente. Comment
  UCR195298  Microseris lindleyi Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-26 1180 Los Angeles Transverse Ranges: Verdugo Mountains Region, western mouth of La Tuna Canyon, north side of La Tuna Canyon, trail from Tuxford Street and Ledge Avenue to ridgetop, north of McDonald Creek 396 Comment
  UCR223595  Microseris lindleyi R. G. Swinney 2009-6-8 11091 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
  RSA598112  Microsteris gracilis Steve Boyd, Lauren Raz 1997-3-4 9160 Los Angeles Liebre Mountains region, summit of Portal Ridge near the head of Broad Canyon, west of Troedel Spring, at the intersection of the Juday Truck Trail (7N07) and Broad Canyon Motorway (7N07A). 1316 Comment
  UC26711  Mimulus H. P. Chandler 1897-3-4 Los Angeles San Dimas 609 Comment
  UCR210120  Mimulus R. G. Swinney 2008-7-24 9344 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
  UCR259981  Mimulus R. G. Swinney 2010-5-11 12642 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  CATA1003  Mimulus aurantiacus Mark L. Hoefs 1994-7-18 1884 Los Angeles Santa Catalina Island: Northeast of upper end of road to White's Landing 243 Comment
  CATA61  Mimulus aurantiacus Mark L. Hoefs, A. Douglas Propst 1973-3-3 38 Los Angeles Santa Catalina Island: North slope of Mt. Black Jack 441 Comment
  LA51922  Mimulus aurantiacus A. M. Johnson; 1934-5-1 4447 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  RSA156030  Mimulus aurantiacus var. parviflorus Peter H. Raven 1962-5-10 17712 Los Angeles Rock walls of large canyon north of Thirst, San Clemente Island 274 Comment
  RSA0056541  Mimulus aurantiacus var. parviflorus Orlando Mistretta 1989-5-15 s.n. Los Angeles Channel Islands; San Clemente Island: Bryce Canyon. Comment
  JEPS11719  Mimulus aurantiacus var. pubescens Francis W. Pennell 1940-6-25 26004 Los Angeles Mount Wilson 1676 Comment
  RSA530072  Mimulus aurantiacus var. pubescens Tim S. Ross 1991-8-16 5875 Los Angeles San Gabriel Mountains, Horse Flats 1787 Comment
  CAS-BOT-BC150857  Mimulus aurantiacus var. puniceus H. E. Hasse 1893-6-1 s.n. Los Angeles Near Soldiers Home Comment
  UCR282006  Mimulus bigelovii R. G. Swinney 2014-5-1 16322 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, east end of Holcomb Ridge, 2.2 road miles east of jct. of Bob's Gap Rd. and Panorama Rd., from base of ridge at Panorama Rd. to high point at 4519 ft. 1378 Comment
  JEPS9868  Mimulus brevipes F. W. Peirson 1918-5-19 195 Los Angeles Echo Mountain San Gabriel Mountains 685 Comment
  RSA182749  Mimulus brevipes J. Massey 1966-3-26 1121 Los Angeles Cobal Canyon near entrance. Comment
  UCR272010  Mimulus brevipes R. G. Swinney 2010-4-28 12414 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  UC1250444  Mimulus brevipes Isabelle Tavares and Valera Brinson 1962-4-16 255 Los Angeles 3 mi s Bouquet Canyon Guard Station (Bouquet Canyon road) Comment
  UC1063113  Mimulus cardinalis A. L. Haines and A. H. Warne 1935-7-12 208 Los Angeles Dalton Canyon Dam Pomona Quadrangle Comment
  UCR259660  Mimulus cardinalis R. G. Swinney 2010-9-7 13721 Los Angeles San Gabriel Mountains, NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks 1768 Comment
  RSA279127  Mimulus cardinalis D. Propst, M. Hoefs 1974-9-12 45106 Los Angeles Santa Catalina Island. Cottonwood Canyon below Rancho Escondido. 107 Comment
  RSA602555  Mimulus floribundus Louis C. Wheeler 1967-8-9 10418 Los Angeles San Gabriel Mountains: Headwaters of Devil's Canyon on S side Mt. Waterman. 2195 Comment
  UCR273200  Mimulus floribundus R. G. Swinney 2011-10-18 15812 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
  UC26934  Mimulus fremontii var. fremontii Dr. A. Davidson Los Angeles Los Angeles Comment
  LA51867  Mimulus guttatus Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  UCR223602  Mimulus guttatus R. G. Swinney 2009-6-8 11083 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
  LA2461  Mimulus guttatus Frank W. Peirson; 1921-6-21 2461 Los Angeles San Gabriel Mountains, Groverland Canyon, W fork San Gabriel River 883 Comment
  RSA442756  Mimulus guttatus E. S. Spalding 1927-4-1 s.n. Los Angeles Arrowhead Hot Springs. Comment
  RSA650919  Mimulus guttatus Mike Maculsay 1981-5-2 24 Los Angeles West Fork San Gabirel River, 1 1/2 miles west of CA Hwy 39. Canyon trailhead is 11.5 miles north of intersection of Hwy 39 and Sierra Madre Ave. in Azuza. 610 Comment
  UC1483364  Mimulus guttatus Jack Delaini 1974-4-25 137 Los Angeles at mouth Lodi Canyon (San Dimas Creek); Angeles National Forest, San Dimas Experimental Forest 426 Comment
  RSA329645  Mimulus moschatus Gary D. Wallace 1975-7-12 1446 Los Angeles San Gabriel Mountains, along Angeles Crest Highway just W of Lodgepole Picnic Ground. E fork Dorr Canyon. 2311 Comment
  RSA80486  Mimulus palmeri F. W. Peirson 1907-7-9 1124 Los Angeles Pine Flats Comment
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Dec 10 2014
  RSA582789  Mimulus pilosus Tim S. Ross, S. D. Boyd 1993-5-23 7233 Los Angeles Lower, easterly ridge of Red Mountain, on northerly slope ca 380 m SE of the saddle between Ruby and Clearwater canyons. 963 Comment
  SEINET13387034 Image available Mimulus pilosus R. G. Swinney 2011-1 15723 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 (Chilao Flat 7.5' Q.) (T3N R11W S34) 1536 Comment
  POM344  Minuartia douglasii I. M. Johnston 1917-6-20 1356 Los Angeles Baldy Lookout of USFS. 2134 Comment
  RSA675024  Minuartia douglasii Scott D. White, Kent Hughes 2000-5-17 7871 Los Angeles San Gabriel Mts./Soledad Cyn.: Canyon bottom and adjacent steep N-facing slope. 579 Comment
  RSA0068237  Mirabilis laevis R. G. Swinney 2010-3-22 12086 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction. 502 Comment
  UCR223081  Mirabilis laevis R. G. Swinney 2009-5-13 10774 Los Angeles Transverse Range; San Gabriel Mtns., upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1183 Comment
  RSA464648  Mirabilis laevis var. crassifolia Fay A. MacFadden 1931-3-16 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  RSA464649  Mirabilis laevis var. crassifolia Thekla Mohr s.n. Los Angeles Los Angeles. Comment
  RSA464660  Mirabilis laevis var. crassifolia E. S. Spalding 1923-5-2 s.n. Los Angeles Fish Canyon, near Monrovia, [San Gabriel Mountains]. Comment
  LA201879  Modiola caroliniana Arthur C. Gibson; 2003-5-24 4993 Los Angeles Simi Hills, West Hills Comment
  UCR106889  Monardella australis L. C. Wheeler 1968-8-7 s.n. Los Angeles San Gabriel Mtns., Divide between W Fork Bear Creek and Devils Canyon 1822 Comment
  UCR223148  Monardella australis R. G. Swinney 2009-7-22 11330 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  RSA640510  Monardella australis subsp. cinerea Louis C. Wheeler 1970-7-25 s.n. Los Angeles San Gabriel Mountains: Heliport 0.3 mi. N of South Mt. Hawkins 2287 Comment
  RSA182760  Monardella exilis J. Massey, James Henrickson 1966-4-9 1168 Los Angeles Piute Butte. Comment
  POM158075  Monardella lanceolata var. lanceolata L. R. Abrams 1902-7-7 2662 Los Angeles Glendora. Comment
  RSA573709  Monardella linoides subsp. stricta Tim S. Ross 1990-8-17 3146 Los Angeles Upper Big Rock Creek, 120-200m N of Icy Springs 1726 Comment
  POM211787  Monardella viridis subsp. saxicola Louis C. Wheeler 1933-8-14 2081 Los Angeles San Dimas Canyon. 640 Comment
  SBBG65460  Monolepis nuttalliana R. Hoffmann 1925-5-15 Los Angeles Antelope Valley Comment
  SD230266  Mucronea californica Louis C. Wheeler 1946-8-30 6326 Los Angeles West of Baldwin park: Albarnes Station, east side San Gabriel Wash, just north of Valley Blvd. Comment
  RSA0072146  Mucronea perfoliata Orlando Mistretta, Mike Hammitt 1991-4-16 s.n. Los Angeles Bee Canyon. 582 Comment
  RSA618663  Muhlenbergia asperifolia LeRoy Gross 1998-9-27 68 Los Angeles Liebre Mtns. Fish canyon.: Elizabeth lake canyon road to warm springs road ,west 7 miles to cienaga campground. to trail up into fish canyon. 883 Comment
  UCR162578  Muhlenbergia asperifolia Anuja Parikh, Nathan Gale 2004-7-3 2079 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 16), south of the river near Potrero Canyon 366 Comment
  POM210089  Muhlenbergia californica Victor Duran 1933-8-11 3546 Los Angeles South Fork, Big Rock Creek 1600 Comment
  UCR281428  Muhlenbergia californica R. G. Swinney 2011-11-1 15975 Los Angeles San Gabriel Mountains, West Fork San Gabriel River Scenic Bikeway, 2.3 miles below (downstream) from Glen Campground, 0.68 miles downstream from Pasadena Bait Club, along FS Rd 2N25 561 Comment
  UC1109354  Muhlenbergia microsperma Peter H. Raven 1962-4-12 17324 Los Angeles near foot of canyon s of canyon below the Tomb (w side San Clemente Island); s side San Clemente Island 137 Comment
  RSA725845  Muhlenbergia richardsonis R. G. Swinney 1997-7-16 5669 Los Angeles Buford Canyon, 0.5 mi. W of San Barnardino Co. line, S of Hwy 2 and Swarthout Valley, 2 air mi. W of Wrightwood 1921 Comment
  RSA750832  Muhlenbergia rigens R. G. Swinney 2005-8-9 8404 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  UCR206261  Muilla maritima R. G. Swinney 2008-6-4 8940 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, 0.2 mi. north of park headquarters/nature center 1430 Comment
  CAS-BOT-BC514192  Muilla maritima G. B. Grant 1901-3-24 3645 Los Angeles Eaton Wash Comment
  SEINET3154246  Muilla serotina G. B. Grant 1905-4-20 803 Los Angeles Pasadena Comment
  CAS-BOT-BC327744  Munzothamnus blairii Reid Moran 1958-9-15 6824 Los Angeles San Clemente Island. Canyon, 1.8 miles SE of Eel Point. 100 Comment
  SBBG13616  Munzothamnus blairii P. H. Raven 1962-4-12 17310 Los Angeles large cyn below the Tomb 243 Comment
  PASA2103  Nama demissa Margaret Stason 1930-5-18 Los Angeles Lovejoy Buttes Comment
  RSA0043150  Nama demissa Steve Boyd, Orlando Mistretta 1986-3-31 1562 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  SBBG65096  Nama demissa J. R. and R. C. Robbins 1930-3-29 Los Angeles Antelope Valley Comment
  CAS-BOT-BC259791  Nassella cernua Martin A. Piehl 1962-6-9 62366 Los Angeles Channel Islands. San Clemente Island. At Thirst 597 Comment
  RSA702365  Nassella cernua Scott D. White, Pam DeVries 2004-6-14 10492 -A Los Angeles Eastern Santa Susana Mountains. West of the I-5 Freeway, ca. 4 mi N of I-5 / SH-14 jtn and 6 mi S of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  CAS-BOT-BC259922  Nassella lepida Mrs. Jos. Clemens 1922-5-5 s.n. Los Angeles Los Angeles Comment
  CAS-BOT-BC259923  Nassella lepida H. E. Hasse 1895-4-8 s.n. Los Angeles Canons [Canyons] of Santa Monica Range Comment
  RSA656212  Nassella lepida Joseph M. Keefe 1978-5-23 23252 Los Angeles San Rafael Mountains; Disturbed chaparral near path; 100 meters east of cafeteria, Glendale College, 1500 North Verdugo Road, Glendale. 287 Comment
  LA9462  Nassella pulchra Carl Epling; L. Ellison 1930-3-28 sn Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon Comment
  UCR217420  Nasturtium officinale R. G. Swinney 2009-3-10 10066 Los Angeles San Gabriel Mtns. Foothills, Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  RSA0036178  Navarretia Serena Light 1966-5-31 s.n. Los Angeles San Rafael Hills. Comment
  RSA0062676  Navarretia atractyloides Jim M. Morrow 1959-5-18 s.n. Los Angeles Edge of Rio Hondo River, near El Monte. 304 Comment
  SBBG31968  Navarretia hamata R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -167 Los Angeles Middle Ranch Comment
  LA211088  Navarretia hamata subsp. hamata Arthur C. Gibson; Tony Valois, Dan Cooper 2010-6-9 5323 Los Angeles HOLLYWOOD HILLS, In central Griffith Park. Comment
  RSA0091869  Navarretia hamata subsp. leptantha Steven A. Junak, Ralph N. Philbrick 2001-5-17 SCa- 1526 Los Angeles Santa Catalina Island. E of Little Harbor, near Sheep Chute Ridge Road, ca. 0.4 mile from intersection with Little Harbor Road, overlooking Campo Blanco Canyon. 97 Comment
  JEPS5593  Nemacladus ramosissimus P. A. Munz, R. D. Harwood 1920-5-2 3827 Los Angeles San Dimas Canyon 457 Comment
  SEINET7063082  Nemacladus sigmoideus A. G. Vestal 1963-5-22 s.n. Los Angeles In the San Gabriel Mountains west of turn off to Littlerock. UTM Zone 11, 400864mE, 3822439mN. (WGS84/NAD83). 883 Comment
  UC24265  Nemophila menziesii H. M. Hall May, 1902 3082 Los Angeles Elizabeth Lake Comment
  RSA607224  Nemophila menziesii var. integrifolia Louis C. Wheeler 1968-5-31 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon. 1128 Comment
  UC449910  Nemophila menziesii var. integrifolia Geo. B. Grant Mar 1903 833 Los Angeles Pasadena Comment
  CATA1945  Nemophila menziesii var. menziesii Reid Moran 1941-3-6 681 Los Angeles Santa Catalina Island: Middle Ranch Canyon 274 Comment
  RSA584034  Nemophila menziesii var. menziesii Tim S. Ross 1991-4-25 4573 Los Angeles San Gabriel Mtns: Doe Flat and immediate vicinity, situated between Graveyard Canyon and the E Fk of Susanna Canyon, draining to the lower E Fk of the San Gabriel River. 841 Comment
  RSA674245  Nemophila menziesii var. menziesii LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 697 Los Angeles South side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned in Summer-Fall of 2002. 823 Comment
  RSA653291  Nemophila pedunculata Kelly Middleton, David Middleton 1988-5-8 7 Los Angeles Glendora Ridge Road, 4.4 miles north of Glendora Mountain road and Sierra Madre Blvd. in Glendora 1220 Comment
  RSA0085095  Nerium oleander R. G. Swinney 2010-4-1 12157 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  RSA0036977  Nicotiana attenuata R. G. Swinney 2010-5-11 12668 A Los Angeles San Gabriel Mountains: Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary. 829 Comment
  UCR110891  Nicotiana attenuata A. C. Sanders, D. Malueg, K. D. Jones 1998-6-22 21992 Los Angeles San Gabriel Mtns., Soledad Pass area at the N foot of the mtns, c. 5 miles SW of Palmdale, along SCE Mesa-Vincent power line at pole 18-03, just south of Vincent Substation 1000 Comment
  CAS-BOT-BC231566  Nicotiana glauca Raymond Lindholm 1961-2-3 s.n. Los Angeles Puddingstone Canyon, south of Pomona Comment
  HSC21275  Nicotiana glauca C. S. Apperson 1967-6-11 Los Angeles 4 mi. up Haskell Cyn. Rd. off of Bouquet Cyn. Rd. Comment
  RSA683177  Nicotiana glauca LeRoy Gross, Naomi S. Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1097 Los Angeles North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. Follow a ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge., Tributary is north of the 210 freeway. South of freeway tributary will drain into La Tuna Canyon. All survey was done north of the 210. 457 Comment
  UC1348861  Nuttallanthus texanus Robert F. Thorne 1966-4-29 36277 Los Angeles Santa Catalina Island, Middle Ranch Canyon, Middle Ranch Middle Ranch Canyon; Santa Catalina Island, , Middle Ranch 213 Comment
  OBI39741  Oenothera deltoides David J. Keil 1977-5-8 12314 Los Angeles Just outside of Saddleback Butte State Park Comment
  RSA703841  Oenothera elata A. C. Sanders, Mark A. Elvin 2002-6-20 25239 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
  UCSB4459  Oenothera elata Kamb, Peter 1948-7-13 Los Angeles Big Tujunga Canyon below Wildwood, San Gabriel Mts. 518 Comment
  UC1043492  Oenothera elata subsp. hirsutissima E. K. Balls 1954-8-19 19770 Los Angeles Blk 13-24 Claremont, Botanic Garden (near lower pool) Comment
  RSA736164  Oenothera micrantha Rosemarie Zimmermann 1961-6-8 131 Los Angeles Dalton Road, 1.5 mi. N. of Big Dalton Dam. Big Dalton Canyon. San Dimas Experimental Forest 610 Comment
  POM9775  Oenothera speciosa Lenington 1921-05 s.n. Los Angeles Pomona. Comment
  CATA3265  Olea europaea Julia Parish, Ben Dion 2017-1-30 007 Los Angeles Santa Catalina Island: West side of the upper campsite at Black Jack Campground 484 Comment
  SEINET6041914  Olea europaea Unknown 1969-2-16 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  RSA604129  Opuntia Steve Boyd, Lauren Raz 1997-5-28 9888 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
  POM317738  Opuntia X occidentalis David Walkington 1963-6-25 192 Los Angeles Ca 50 yards N of Puddingstone rd on Casa de Carrion homestead, west of house. 305 Comment
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Aug 12 2014
  UCR222779  Opuntia basilaris var. brachyclada R. G. Swinney 2009-5-6 10660 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
  POM284095  Opuntia littoralis Lyman Benson 1955-9-3 15592 Los Angeles Wash at Gladstone Ave Bridge west of San Dimas. 244 Comment
  POM317739  Opuntia littoralis David Walkington 1963-6-20 187 Los Angeles North of Puddingstone Rd., 0.2 miles west of Casa de carrion homestead. 305 Comment
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Aug 13 2014
  SD31221  Opuntia oricola Edith A. Purer 1931-8-15 2183 Los Angeles Palos Verdes, south exposed hills. Comment
  UCR272847  Oreonana vestita R. G. Swinney 2011-8-5 15607 Los Angeles San Gabriel Mountains, summit of Mount Hawkins, high point of Copter Ridge, 0.6 miles SSE of Hwy. 2/Angeles Crest Hwy 2698 Comment
  RSA0065394  Oreonana vestita S. Granger 1974-6-22 s.n. Los Angeles Mt. Williamson Peak. 2476 Comment
  UCR223238  Orobanche R. G. Swinney 2009-5-27 10881 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  RSA0076173  Orobanche bulbosa Timothy S. Ross, Steve Boyd 1990-5-17 2549 Los Angeles North Fork Mill Creek: along Forest Service Road 3N27, 7.8 road miles N of Big Tujunga Canyon Rd, ca. 430 m SSW of Plane Triangulation Point (4240 ft). 1264 Comment
  RSA0059188  Orobanche bulbosa Robert Gustafson 1983-7-18 2778 Los Angeles San Gabriel Mts., Angeles Crest Hwy., about 3 miles past the Mt. Wilson turnoff. 1524 Comment
  RSA0076171  Orobanche bulbosa Robert F. Thorne 1966-4-29 36327 Los Angeles Santa Catalina Island: below road to White's Landing above turn-off to Echo Lake. 411 Comment
  SBBG129182  Orobanche parishii A. Parikh, N. Gale 2012-5-23 2159 Los Angeles Newhall Ranch, 1.6 km S of the Santa Clara River, 1.9 km W of Interstate 5, N side of Santa Susana Mtns 365 Comment
  UC303473  Orobanche parishii I. M. Johnston 1917-7-4 1429 Los Angeles San Antonio Mountains, Evey Canyon Evey Canyon; San Antonio Mountains, Evey Canyon 1066 Comment
  RSA12285  Orthocarpus purpurascens var. pallidus Carl B. Wolf 1934-4-11 5660 Los Angeles Sandy land to N. and W. of corner of Bryant Ave. and Hansen Rd. 8 Comment
  RSA599331  Orthocarpus purpurascens var. purpurascens Steve D. Boyd, Lauren Raz 1997-3-26 9359 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
  JEPS15945  Osmorhiza brachypoda Frank W. Peirson 1918-5-19 135 Los Angeles Millards Canyon San Gabriel Mountains Comment
  RSA458979  Osmorhiza brachypoda R. K. Benjamin 1929-5-26 204 Los Angeles San Dimas Canyon Comment
  RSA458983  Osmorhiza brachypoda Erwin Miller 1934-3-27 s.n. Los Angeles Fish Canyon. Comment
  RSA458990  Osmorhiza brachypoda Sam Tyson 1943-3-26 s.n. Los Angeles San Dimas Canyon 610 Comment
  SBBG106252  Oxalis corniculata S. A. Junak 1985-5-14 SCl 56 Los Angeles Wilson Cove, along rd to pier 30 Comment
  UCD110779  Oxalis corniculata C. W. Tilforth 1970-1-18 244 Los Angeles Residence in Piedmont Mesa, Clarement. Comment
  CHSC95787  Packera ionophylla LeRoy Gross; Michael Denslow 2003-6-4 987 Los Angeles Transverse Ranges: San Gabriel Mountains region: Trail from Islip Saddle to South Fork Big Rock Creek. 0.5 to 0.7 mile down trail from the Saddle, before Reed spring. UTM zone: 3802412N, 0421876E. 1935 Comment
  CAS-BOT-BC400778  Paeonia californica Jun Hu; Weena Sangkatavat 2000-4-22 04 Los Angeles Transverse Ranges; San Gabriel Mtns.: Millard Canyon, 2 mi N of Altadena. First trail on the right immediately before Millard Campground 549 Comment
  LA99479  Paeonia californica Hisao P. Arai; 1957-3-16 sn Los Angeles Santa Monica Mountains, Saddle Peak, near Saddle Peak Comment
  UCR258833  Paeonia californica R. G. Swinney 2010-3-22 12020 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  UCR205085  Parietaria hespera R. G. Swinney 2008-4-10 8633 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lodi Canyon, west of San Dimas Reservoir 463 Comment
  SBBG20501  Parietaria hespera var. californica E. R. Blakley 1963-12-7 6336 Los Angeles shallow cyn sloping to ocean, 200 ft N of Lighthouse, N of Pyramid Head 53 Comment
  LA201960  Parietaria hespera var. hespera Arthur C. Gibson; 2004-3-17 5012 -a Los Angeles 228 Comment
  UCR146517  Parietaria hespera var. hespera Scott D. White, Michael Honer 2004-6-24 10486 B Los Angeles Pomona Valley/ San Gabriel Mtn. Foothills, City of Claremont; San Antonio Canyon alluvial fan, N of Baseline Ave. and west of concrete-lined flood control channel 518 Comment
  UCR99341  Paspalum dilatatum L. C. Wheeler 1946-6-23 6216 Los Angeles Alhambra, 16 N Abramson Street 183 Comment
  UC2061665  Paspalum distichum R. E. Riefner Jr. 2007-7-1 07 -290 Los Angeles City of San Dimas, Puddingstone Reservoir, Bonelli Regional Park, East Shore Dr. Comment
  RSA97333  Pastinaca sativa var. sativa Joseph A. Ewan 1933-7-23 7816 Los Angeles Throughly naturalized along stream Colby s Ranch Coldwater Canyon. San Gabriel Mts. 1143 Comment
  RSA746795  Pectocarya linearis R. G. Swinney 2008-3-26 8565 Los Angeles San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  UCR240238  Pectocarya linearis Dan S. Cooper 2011-4-8 411- 45 Los Angeles South Coast, Ballona Wetlands Ecological Reserve, 'Area C' north of Ballona Creek channel and east of Lincoln Blvd. 5 Comment
  SDSU20026  Pectocarya linearis subsp. ferocula Michael G. Simpson, Lori L. Simpson 2012-4-21 3678 Los Angeles Santa Catalina Island, top of ridge north of USC Marine station. 57 Comment
  RSA0119792  Pectocarya setosa R. G. Swinney 2014-4-30 16291 Los Angeles San Gabriel Mountains; 3.8-4.0 miles s. of Hwy. 138 on w. side of Largo Vista Road to ridge, c. 100 meters to the west. 1387 Comment
  POM82691  Pedicularis densiflora P. A. Munz 1925-4-23 9462 Los Angeles San Gabriel Canyon. 488 Comment
  RSA425328  Pedicularis semibarbata Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  CAS-BOT-BC67718  Pellaea andromedifolia George B. Grant 1904-5-17 918 Los Angeles Mt. Wilson Comment
  SBBG80284  Pellaea andromedifolia F. C. Boutin 1967-4-23 1682 Los Angeles Lemon Tank 304 Comment
  LA94162  Pellaea andromedifolia Lawrence L. Kiefer; 1966-3-12 1688 Los Angeles Lobo Canyon, ca. 1 mi. W of Triunfo Cyn. Rd. 304 Comment
  UCR209882  Pellaea mucronata R. G. Swinney 2008-7-16 9255 Los Angeles San Gabriel Mtns., Will Thrall Peak, west of Burkhart Saddle 2392 Comment
  RSA624466  Pellaea mucronata var. mucronata L. C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mountains: Mill Canyon off Soledad Canyon. 732 Comment
  POM296979  Pellaea mucronata var. mucronata Karen Hosterman 1957-4-8 976 Los Angeles Santa Catalina Island; north side of Avalon Comment
  UCR101228  Pennisetum clandestinum L. C. Wheeler 1968-11-9 s.n. Los Angeles San Gabriel Mtns., 0.2 miles inside mouth of San Gabriel Canyon 232 Comment
  RSA0101272  Pennisetum setaceum R. G. Swinney 2011-3-18 14137 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  IRVC28592  Penstemon centranthifolius A. C. Sanders, Mark Elvin 2002-6-19 25189 Los Angeles Newhall Ranch, "Long Cyn." 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 335 Comment
  LA51912  Penstemon centranthifolius A. M. Johnson; 1932-5-30 4075 Los Angeles SANTA MONICA MOUNTAINS, Brent's Mountain, Crag's Camp. Comment
  RSA0091490  Penstemon centranthifolius R. G. Swinney 2011-6-15 15169 Los Angeles Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy 1585 Comment
  RSA0097147  Penstemon centranthifolius R. G. Swinney 2011-5-31 14911 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1096 Comment
  RSA670658  Penstemon centranthifolius Bonnie C. Templeton 1947-5-21 6280 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  SEINET13387024 Image available Penstemon centranthifolius R. G. Swinney 2011-1 15434 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. (Chilao Flat 7.5' Q.) 1219 Comment
  UCR205918  Penstemon centranthifolius R. G. Swinney 2008-5-5 8747 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs 1427 Comment
  SEINET6738654 Image available Penstemon centranthifolius G. B. Grant 932 Los Angeles Pasadena Comment
  RSA165696  Penstemon grinnellii subsp. grinnellii Brian C. Miller 1963-6-15 s.n. Los Angeles Singing Springs, Mill Creek Canyon, San Gabriel Mountains. 1220 Comment
  RSA408043  Penstemon grinnellii subsp. grinnellii G. R. Johnstone 1930-6-26 14664 Los Angeles Pine Flats. 1677 Comment
  RSA408047  Penstemon grinnellii subsp. grinnellii Anstruther Davidson 1892-6-12 s.n. Los Angeles Wilson Peak. San Gabriel Mountains Comment
  UCR178921  Penstemon heterophyllus var. heterophyllus R. G. Swinney 1989-5-13 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Colby Fire Rd., 100 yards south of Glendora Mtn. Road. 488 Comment
  UCR189834  Penstemon labrosus R. G. Swinney 1998-9-4 6885 Los Angeles San Gabriel Mtns., dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi. east of Hwy 2 on 3N06 2241 Comment
  UCR190123  Penstemon labrosus R. G. Swinney 1998-8-27 6801 Los Angeles San Gabriel Mtns., ridge due north of Big Horn Ridge and south of San Antonio Ridge, 7625 ft. high spot on ridge above Coldwater Canyon 2325 Comment
  POM17635  Penstemon rostriflorus Philip A. Munz 1923-8-31 7669 Los Angeles Big Pines, Swartout Valley. 2226 Comment
  SEINET11173426  Penstemon spectabilis J. Adams 1964-5-15 44 Los Angeles Pomona College Wash, Claremont 335 Comment
  SFV15496  Pentagramma triangularis E. J. Spencer 1992-2-14 12 Los Angeles San Gabriel Mountains Bear Canyon, east of Sand Canyon Road. Milepost 7.64. 457 Comment
  UCR27157  Perideridia parishii T. P. Krantz 1980-7-4 s.n. Los Angeles San Gabriel Mtns., San Gabriel Mountains, Horse Flat Campground 1768 Comment
  SD251168  Perideridia pringlei Orlando Mistretta, Christine Mistretta 2011-6-6 5678 Los Angeles Transverse Ranges; Liebre Mountains region: Vicinity of Palmdale, ca. 100 meters SE of intersection of Elizabeth Lake Rd. and Southern California Edison transmission line corridor, 2.32 miles east of junction of Elizabeth Lake Rd. and Godde Hill Rd. 903 Comment
  SD31211  Peritoma arborea var. angustata Edith A. Purer 1931-4-28 1757 Los Angeles Palos Verdes Hills. Comment
  LA200256  Perityle emoryi Carl Epling; 1931-5-12 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA0115842  Perityle emoryi Steven A. Junak 1999-7-15 SCa- 1026 Los Angeles Santa Catalina Island. On Salta Verde Beach, just E of S-facing bluffs/rock face. 6 Comment
  RSA251468  Perityle emoryi R. F. Thorne 1973-4-11 42832 Los Angeles San Clemente Island, upper part of Norton Canyon. 274 Comment
  SD241150  Persicaria hydropiper A. C. Sanders 2009-6-1 37065 Los Angeles San Gabariel Valley: Rio Hondo in Whittier Narrows area, west of RosemeadBlvd. (Hwy 19) under SCE powerlines, beyond a tree nursery (El Monte 7.5'Q) 63 Comment
  CAS-BOT-BC419011  Persicaria lapathifolia F. Grinnell Jr. 1917-9-9 s.n. Los Angeles Los Angeles River bottom. Near Los Angeles Comment
  SD72730  Persicaria punctata F. R. Fosberg 1930-11-11 S 4177 Los Angeles Templeton, So. Puente, small marsh 79 Comment
  UCD117315  Petalonyx thurberi M. Vincent 1962-10-4 299 Los Angeles Pallett Creek Road, 1 mile S of Valyermo Road. Comment
  SBBG87689  Phacelia brachyloba S. Boyd with T. Elias 1987-4-14 2067 Los Angeles Pine Mtn and Silver Mtn [between], S of Rincon-Red Box Rd, N of Glendora Comment
  UC1584244  Phacelia brachyloba Tim Ross and Steve Boyd 1990-6-6 2820 Los Angeles Green Valley Pasture Lake Hughes 7.5' USGS quad., San Francisquito Canyon 926 Comment
  UCR51948  Phacelia brachyloba Steve Boyd, T. S. Elias 1987-4-14 2067 Los Angeles San Gabriel Mtns., ridge between Pine Mtn. and Silver Mtn., south of Rincon - Red Box Road, north of Glendora Comment
  UCSC001202  Phacelia brachyloba Peter Kamb 1948-7-13 1219 Los Angeles Big Tujunga Canyon at mouth of Bryant Ganyon, South side of canyon Big Tujunga Canyon, Bryant Ganyon - San Gabriel Mts. 549 Comment
  SEINET12280055  Phacelia cicutaria Unknown 1933-1 8522 Los Angeles Comment
  RSA0119547  Phacelia cicutaria var. hispida R. G. Swinney 2014-5-19 16586 Los Angeles San Gabriel Mountains; Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Mtwy. 515 Comment
  UCR273193  Phacelia cicutaria var. hispida R. G. Swinney 2011-4-26 14477 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  SD239786  Phacelia curvipes R. G. Swinney 2008-6-17 9027 Los Angeles San Gabriel Mountains: 2.3 miles north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway (Valyermo 7.5'Q) 1992 Comment
  POM4504  Phacelia davidsonii George B. Grant 1906-6-18 s.n. Los Angeles Summit, Mount Wilson 1829 Comment
  RSA569927  Phacelia davidsonii Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4880 Los Angeles Liebre Mtn: near W summit area. 1683 Comment
  POM3765  Phacelia distans McFadden s.n. Los Angeles Claremont. Comment
  RSA617482  Phacelia distans Scott D. White 1998-6-23 6775 Los Angeles Soledad Canyon area: proposed quarry area N of Soledad Cyn. Rd., S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Cyn. 548 Comment
  SD186244  Phacelia distans A. C. Sanders 2003-3-14 25753 Los Angeles Abandoned gravel pit on bundary between Irwindale and Azusa, east of Irwindale Ave. 519 Comment
  SEINET3091901 Image available Phacelia distans T. Burch, Mrs. T. Burch 1940-4-21 Los Angeles Near Saugus Comment
  UCR261334  Phacelia distans R. G. Swinney 2010-3-13 11872 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  POM9837  Phacelia distans P. A. Munz, R. D. Harwood 1920-3-13 3292 Los Angeles San Jose Hills 5 mi. W. of Pomona. 305 Comment
  RSA308649  Phacelia distans David Armacost 1963-4-25 150 Los Angeles Diamond Bar Ranch, San Jose Mtns. 305 Comment
  RSA426201  Phacelia distans E. S. Spalding 1923-3-28 s.n. Los Angeles Claremont. Comment
  RSA650559  Phacelia distans Jim Moon 1948-3-27 s.n. Los Angeles growing on west side of Bass Cleft Ranch, 3 1/2 mi. N/W of San Dimas 213 Comment
  PASA1386  Phacelia douglasii M. Stason 1930-5-18 217 Los Angeles Mohave Desert near Lancaster Comment
  OBI70923  Phacelia egena Steve Boyd, Lauren Raz 1997-5-1 9684 Los Angeles Liebre Mts Region: Siera Pelona ridgeline, about 1.5 mi W ofMt. McDill and 1.3 mi SSE of lincoln Crest, the head of Bouquet Cyn. T6N, R13W, E1/2 NW 1/4 sec 31 1512 Comment
  RSA597376  Phacelia fremontii Tim S. Ross 1990-6-22 3709 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon. 1939 Comment
  UCR176960  Phacelia fremontii L. C. Wheeler 1967-5-9 9379 Los Angeles San Gabriel Mtns, Aliso Canyon, east of Acton, c. 1 mi downstream from Wagonwheel Ranch 1067 Comment
  LA91487  Phacelia grandiflora Bruce Douglas Clayton; Greg Shaw 1972-4-11 88 Los Angeles 591 Comment
  RSA350918  Phacelia humilis var. lobata Anstruther Davidson, Hasse 1906-6-7 1491 Los Angeles Big Rock Creek at Lowell Mines 2134 Comment
  SEINET3246003  Phacelia imbricata R. G. Swinney 2009-1 10834 Los Angeles Transverse Range; San Gabriel Mtns.: Pechner Canyon, SE of community of Juniper Hills. 446 Comment
  UCR223330  Phacelia imbricata R. G. Swinney 2009-5-20 10834 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  RSA134003  Phacelia imbricata subsp. imbricata L. R. Heckard 1956-6-30 776 Los Angeles Foothills near Padua Hills Comment
  RSA0058220  Phacelia longipes R. G. Swinney 2010-6-23 13346 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
  SEINET5519006  Phacelia longipes F. Thackery 1928-8-5 s.n. Los Angeles Old Baldy (Mt. Baldy) Comment
  UC147963  Phacelia longipes C. F. Baker 1909-5-15 5318 Los Angeles mts. near Claremont Comment
  SBBG10984  Phacelia lyonii R. Moran 1958-9-15 6826 Los Angeles 1.8 mi SE of Eel Pt 100 Comment
  RSA0070276  Phacelia minor R. G. Swinney 2010-4-20 12287 Los Angeles Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA612070  Phacelia minor Valerie L. Soza 1998-4-26 81 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, SW of pHake Lake. At center of BFS. 412 Comment
  RSA286658  Phacelia mohavensis Robert F. Thorne 1974-6-28 44746 Los Angeles Angeles National Forest: Lily Springs area on N slope of Mt. Hawkins, drainage of S Fork Big rock Creek. 2439 Comment
  RSA780099  Phacelia parryi Pam De Vries 2011-4-20 7774 Los Angeles Western Transverse Range, SW portion of the Liebre Mountains; about 0.5 air miles NNE of the intersection of Copper Hill and San Francisquito Canyon Road 426 Comment
  UCR124451  Phacelia parryi I. W. Clokey, B. C. Templeton 1929-1 4531 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  IRVC28676  Phacelia ramosissima A. C. Sanders, Mark Elvin 2002-6-18 25116 Los Angeles Newhall Ranch, farm area in valley along a wash, 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park NE end of Santa Susana Mtns. 328 Comment
  RSA0062627  Phacelia ramosissima R. G. Swinney 2010-6-8 13189 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
  POM3702  Phacelia ramosissima var. latifolia C. F. Baker 1903-8-2 3661 Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  SBBG17009  Phacelia viscida K. A. Wilson 1961-3-18 1043 Los Angeles Latigo Cyn Rd, 2 mi S of Mulholland Hwy Comment
  RSA595003  Phalaris aquatica Mark Hoefs, Steven Junak, Janet Takara, Misty Gay 1995-7-13 2374 Los Angeles Santa Catalina Island. Silver Peak Trail Road, off Upper West End Road. 476 Comment
  SD69576  Phalaris canariensis Robert F. Thorne 1966-6-1 36481 Los Angeles Santa Catalina Island, roadside weed opposite Bird Park, Avalon 29 Comment
  RSA251545  Phalaris caroliniana R. F. Thorne 1973-4-12 42956 Los Angeles San Clemente Island, south of Pyramid Cove near Silver Mine, bottom of old bomb crater. 30 Comment
  SD69587  Phalaris minor Robert F. Thorne 1966-4-4 35786 Los Angeles Santa Catalina Island; Bird Rock, N of Isthmus Cove 7 Comment
  LA202389  Phalaris paradoxa Arthur C. Gibson; 2005-6-17 5071 Los Angeles Comment
  SEINET10956991  Phaseolus vulgaris Heidi H. Schmidt 1999-10-10 Schmidt 3911 Los Angeles City of Santa Monica. Wild Oats Community Market: 500 Wilshire Blvd.: Santa Monica, CA: 90401: (310) 395-4510 - phone. 50 Comment
  POM229170  Phleum pratense L. C. Wheeler 1933-7-10 1927 Los Angeles 2 miles NE of La Verne. 381 Comment
  POM3735  Pholistoma auritum var. auritum I. M. Johnston 1917-5-6 1920 Los Angeles Evey Canyon, north of Claremont. 762 Comment
  RSA182332  Pholistoma auritum var. auritum J. D. Olmsted 1962-4-30 3420 Los Angeles 1960 Johnstone Peak burn, from West Fork of San Dimas Creek to Wolfskill Falls 457 Comment
  UCR280544  Pholistoma membranaceum R. G. Swinney 2014-4-10 16034 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  RSA213343  Pholistoma racemosum Reid V. Moran 1941-3-1 663 Los Angeles Arrow Point, Santa Catalina Island. 200 Comment
  SBBG95204  Pholistoma racemosum M. B. Dunkle 1928-3-31 1773 Los Angeles Little Harbor Comment
  SD66857  Pholistoma racemosum R. Mitchel Beauchamp 1967-3-20 341 Los Angeles Santa Catalina Island. South of Avalon, in shady canyon above the beach road. Comment
  UC1952544  Pholistoma racemosum Reid Moran 1941-3-1 663 Los Angeles Arrow Point, Santa Catalina Island. Comment
  CATA2842  Pholistoma racemosum M. B. Dunkle 1939-4-6 7309 Los Angeles San Clemente Island: Mosquito Harbor 0 Comment
  RSA420794  Phoradendron macrophyllum Freda Detmers 1928-9-30 s.n. Los Angeles San Gabriel Canyon. Comment
  RSA132742  Phoradendron villosum Del Wiens 1953-10-1 838 Los Angeles Oak Flat, on the ridge route (HWY 99) near Frazier Park Turn-off. [Label says Kern Co. but Oak Flat is in Los Angeles Co.] Comment
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Oct 8 2013
  SBBG131444  Phyllospadix scouleri S. A. Junak 1996-4-11 SCI 286 Los Angeles ca. 0.9 km N of Eel Point, in small swale immediately behind rocky beach 3 Comment
  UC1821267 Image available Phyllospadix scouleri E. Yale Dawson 1956-11-16 15279 Los Angeles Cobblestone rocky shore near Topanga Canyon Blvd, Station No. 2 Comment
  RSA423754  Physalis philadelphica Anstruther Davidson 1889-08 s.n. Los Angeles Los Angeles. Comment
  POM50617  Physalis philadelphica L. R. Abrams 1901-7-20 1904 Los Angeles San Gabriel Comment
  RSA155737B  Pickeringia montana Peter H. Raven 1962-5-1 17508 Los Angeles Saddle Peak Road 0.9 miles above Stuntz Canyon Road 671 Comment
  RSA5887  Picris echioides C. B. Wolf 1932-9-16 4107 Los Angeles Bryant Ranch, 100 to 150 ft W of State Highway at SE corner of Pacific Western Oil Co. lease in 1705 acre portion 2 Comment
  POM980  Pinus attenuata I. M. Johnston 1916-11-21 s.n. Los Angeles San Antonio Canyon Comment
  UCSB31763  Pinus contorta subsp. murrayana Filice, Diane 1965-5-15 Los Angeles 23.7 mi. from La Canada on Angeles Crest, San Gabriel Mountains 1676 Comment
  RSA605906  Pinus monophylla L. C. Wheeler 1968-11-10 s.n. Los Angeles San Gabriel Mountains: East fork Alder Creek. 1509 Comment
  RSA714298  Pinus thunbergiana A. C. Sanders 1987-12-4 7450 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  SBBG36984  Piperia cooperi unknown -Apr-1893 Los Angeles Los Angeles Comment
  RSA382747  Piperia elongata Samuel R. Tyson 1943-9-15 s.n. Los Angeles San Dimas Canyon 823 Comment
  SBBG98651  Piptatherum miliaceum T. Ross 1991-5-20 5358 Los Angeles uppermost reaches of the Wilson Cove Cyn drainage; 3300 ft NW of the 750ft Benchmark 141 Comment
  SD51445  Pittosporum eriocarpum Reid Moran 1942-10-25 Los Angeles Elysian Park Comment
  CAS-BOT-BC135934  Pittosporum undulatum Tim Ross 1993-4-23 6931 Los Angeles Santa Catalina Island - SW part of the island in Middle Canyon; riparian strip ca 30 m SE of Eagles' Nest Lodge; Collected near Eagles Nest Lodge, but plants of various sizes seen naturalized along the riparian area between here and Middle Ranch 144 Comment
  CATA3028  Pittosporum undulatum Amy Catalano 2016-3-14 034 Los Angeles Santa Catalina Island: Quail Valley 180 Comment
  CAS-BOT-BC71781  Pityrogramma triangularis var. viscosa I. M. Johnston 1918-5-4 1926 Los Angeles Hills back of Laguna Beach 152 Comment
  UCR264625  Plagiobothrys arizonicus Mitch Provance, Callen Huff 2009-4-28 10728 Los Angeles Tehachapi Mountians, Tejon Ranch, 1.2 mi. N of Gorman, Bear Canyon, along Crane Canyon Rd., about 1 mi. S of Castac Lake 1220 Comment
  SEINET13365350  Plagiobothrys canescens G. B. Grant, W. Wheeler 1904-1 996 /6159 Los Angeles On Santa Catalina Island. Comment
  SD90635  Plagiobothrys canescens Robert F. Thorne 1966-4-17 36104 Los Angeles San Clemente Island; just northwest of Thirst. 548 Comment
  SBBG125471  Plagiobothrys collinus var. fulvescens A. Parikh, N. Gale 2010-6-18 3340 Los Angeles upper Big Tujunga Cyn, 0.9 km N of St Hwy 2, 0.3 km W of upper Big Tujunga Cyn Rd, San Gabriel Mtns 1240 Comment
  UCR179623  Plantago erecta R. G. Swinney 1991-4-21 1584 Los Angeles San Gabriel Mtns. Foothills, Glendora, South Hills, east end of Eagle Ridge, c. 50 m north of Lot 6 in Hughes development, in 'open space 305 Comment
  RSA747292  Plantago indica A. C. Sanders, T. B. Salvato 2009-5-20 36854 Los Angeles San Gabriel Valley: Rio Hondo at Rancho Lujan, between Montebello and South El Monte, east side of San Gabriel Blvd., SE of Darlington St. intersection. 61 Comment
  UC557825  Plantago ovata Nell Murbarger March, 1936 23 Los Angeles w. slopes San Clemente Isl. Comment
  RSA382863  Platanthera leucostachys Louis E. Hoffman 1932-8-14 s.n. Los Angeles Mt. Islip, Angeles National Forest. 2439 Comment
  RSA229109  Platanthera sparsiflora Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38893 Los Angeles San Gabriel Mountains, Angeles National Forest: near Lodgepole Picnic area, at headwaters of Dorr Canyon, N slope of Throop Peak, above Angeles Crest Highway, 1.2 mile SE of Dawson Saddle 2332 Comment
  CHSC29260  Platanus racemosa Alisa Goldman 1980-4-5 5 Los Angeles Temescal Canyon, Presbyterian Conference Grounds, Sunset Blvd. and Temescal Cyn. Rd., Pacific Palisades. 167 Comment
  POM427  Platystemon californicus P. A. Munz 1918-4-11 2037 Los Angeles Lone Hill near Glendora. Comment
  SEINET3093588 Image available Platystemon californicus Richard G. Swinney 2009-5-5 10650 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert; Carr Canyon, 0.6 mi. southeast of Mt. Emma Rd. crossing (Palmdale 7.5 Q.) 963 Comment
  POM277123  Platystemon californicus E. S. Steele, G. F. Pratt 1934-3-21 s.n. Los Angeles Northwest of Lancaster, Mojave Desert. Comment
  CAS-BOT-BC356128  Pluchea odorata Geo. B. Grant Oct 4 s.n. Los Angeles Los Angeles Comment
  UCD90358  Poa annua R. R. Jeffries 1932-3-10 s.n. Los Angeles Van Nuys. Comment
  UCR205591  Poa annua R. G. Swinney 2008-5-30 8870 Los Angeles San Gabriel Mtns., San Gabriel Canyon along old road/trail at El Encanto [El Encanto Azusa River Wilderness Park, 0.2 mi. upstream from park admin. buliding -- R.G.S., 2010] 256 Comment
  UCR214633  Poa annua A. C. Sanders, Dan S. Cooper 2010-3-12 37385 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR209615  Poa pratensis R. G. Swinney 2008-10-10 9579 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  RSA589235  Poa secunda Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-8 2911 Los Angeles Upper Big Tujunga Canyon: ridge and slopes descending +/-ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats). 1250 Comment
  UC1595439  Poa secunda subsp. juncifolia Tim Ross 1992-4-4 6064 Los Angeles 1 mi se Black Butte (middle butte of Three Sisters); sw Mojave Desert 969 Comment
  UC1594416  Poa secunda subsp. secunda Tim Ross 1992-4-14 6154 Los Angeles just below 'mouth' of Nancy Canyon (rutted slope that drains n, central e side of island); San Clemente Isl 137 Comment
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Jul 2 2014
  UC167322  Poa secunda subsp. secunda unknown 1905-4-4 1016 -6463 Los Angeles Pasadena Comment
  RSA4817  Polygonum argyrocoleon James Snow 1932-1 s.n. Los Angeles Bryant Ranch, near Long Beach. Station #1, Plant #1 Comment
  RSA611070  Polygonum argyrocoleon Louis C. Wheeler 1970-6-9 s.n. Los Angeles San Pedro: South of 200 E. Signal Street. Comment
  POM12198  Polypodium californicum M. L. Kendall 1921-1-20 16 Los Angeles San Jose Hills. Comment
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Feb 2 2017
  POM6566  Polypodium californicum George B. Grant 1900-4-15 s.n. Los Angeles Old Mt Wilson Trail. 537 Comment
  RSA534037  Polypodium californicum T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5282 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. 305 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
  UCSB62394  Polypodium californicum Kendall, M 1921-2-13 Los Angeles Palmer's canyon Comment
  CAS-BOT-BC232416  Polypogon monspeliensis W. R. Dudley; F. H. Lamb 1896-6-12 4458 Los Angeles Mount Pinos Region. Tejon Pass, Castaic Lake Comment
  CATA1169  Polypogon monspeliensis Mark L. Hoefs 1995-5-30 2163 Los Angeles Santa Catalina Island: In and near water course, just above Ben Weston Beach 15 Comment
  UCR224015  Polypogon monspeliensis Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11680 Los Angeles Transverse Ranges; Verdugo Mountains region, Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  UCR194627  Polystichum imbricans R. G. Swinney 1998-8-30 6858 Los Angeles San Gabriel Mtns., south fork of Dry Lake Canyon, a western tributary of San Antonio Canyon 994 Comment
  RSA549194  Polystichum imbricans subsp. imbricans T. S. Ross, Peter Fritsch 1990-6-20 3683 Los Angeles San Gabriel Mountains: Rincon-Red Box Rd (2N24); ridgetop between W Fork San Gabriel River and Roberts Canyon 1329 Comment
  SD69481  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
  JEPS64529  Populus fremontii subsp. fremontii Frank W. Peirson 1919-3-30 386 Los Angeles Big Tujunga Canyon; San Gabriel Mountains, Big Tujunga Canyon 441 Comment
  RSA607600  Portulaca oleracea L. C. Wheeler 1966-10-25 9065 Los Angeles E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  SEINET10537257  Portulacaria afra Jon Ricketson, Heidi H. Schmidt 1992-10-22 Ricketson 4860 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
  RSA233563  Potamogeton foliosus var. foliosus Robert F. Thorne, C. W. Tilforth, et al. 1972-6-29 42095 Los Angeles San Gabriel Mountains, Angeles National Forest: Jackson Lake (sag pond of San Andreas Fault) c. 1 1/2 mi. WNW of Big Pines 1875 Comment
  CAS-BOT-BC453947  Potamogeton pectinatus J. Ewan 1931-10-24 5376 Los Angeles Malibu Lake, Santa Monica Mts. 304 Comment
  UCR210133  Potentilla glandulosa R. G. Swinney 2008-8-13 9390 Los Angeles San Gabriel Mtns., Big Rock Creek, 1.3 mi. east of Fenner Canyon 1860 Comment
  UCR271474  Potentilla glandulosa R. G. Swinney 2011-5-3 14569 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  CATA604  Primula clevelandii var. insularis Mark L. Hoefs 1991-4-7 1050 Los Angeles Santa Catalina Island: Divide Road, above Avalon Canyon 277 Comment
  SBBG1443  Prunus emarginata C. Bornstein, E. Collins 1997-4-14 Los Angeles Liebre/Sawhill Mtn Rd, Liebre Mtns 1615 Comment
  RSA453302  Prunus fasciculata var. fasciculata Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  UCR124169  Prunus ilicifolia June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek Fire Station, Fenner Canyon 1616 Comment
  RSA0016989  Prunus ilicifolia subsp. ilicifolia Marion P. Harthill 1972-4-8 s.n. Los Angeles Coldbrook, Ran. [Coldbrook Ranger] Station. 1067 Comment
  SDSU9178  Prunus ilicifolia subsp. lyonii R. M Beauchamp 1967-6-3 561 Los Angeles San Clemente Island. Grove of trees in bottom of canyon south of Thirst. 457 Comment
  CAS-BOT-BC356410  Pseudognaphalium beneolens Timothy S. Ross; Steve Boyd 1994-9-20 8267 Los Angeles Liebre Mountains. Lower Spunky Canyon: this stretch draining SSE, exiting into Bouquet Reservoir 934 Comment
  CATA1610  Pseudognaphalium biolettii Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Janet Takara 1998-5-1 2880 Los Angeles Santa Catalina Island: Ridge to Whitley's Peak 384 Comment
  RSA670691  Pseudognaphalium biolettii B. C. Templeton 1968-2-25 11386 Los Angeles Near the isthmus, Santa Catalina Island. Comment
  RSA712717  Pseudognaphalium biolettii A. C. Sanders 2003-3-14 25759 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 freeway east of the San Gabriel River channel. 159 Comment
  SD21292  Pseudognaphalium biolettii Norman E. Bilderback 1938-4-14 Los Angeles Santa Catalina Harbor Comment
  SEINET2053764 Image available Pseudognaphalium biolettii Dave Charlton 1987-1-31 640 Los Angeles Saddle Peak, Santa Monica Mountains. 609 Comment
  UCR280943  Pseudognaphalium biolettii Mitch Provance 2017-6-30 617- 32 Los Angeles Catalina Island, Northern edge of Avalon, loop road around Sugar Loaf Pk., upper portion of Chime Tower Rd. 145 Comment
  CAS-BOT-BC356556  Pseudognaphalium biolettii John Thomas Howell 1928-3-20 3483 Los Angeles West of Vermont Canon [Canyon], Griffith Park, Los Angeles Comment
  LA209935  Pseudognaphalium biolettii A. M. Johnson; 1932-4-4 3930 Los Angeles Faculty Hill, U.C.L:.A., Westwood Comment
  SBBG94273  Pseudognaphalium californicum F. R. Fosberg 1931-4-2 4449 Los Angeles Camp Frost 300 Comment
  SBBG95184  Pseudognaphalium californicum M. B. Dunkle 1928-5-27 1974 Los Angeles Hamilton Cyn Comment
  UC896846  Pseudognaphalium microcephalum Carl B. Wolf 1932-10-3 Los Angeles about 1.25 mi from Wrigley Drive (on road to Renton Mine, about the head of right fork of Pebbly Beach Canyon); Santa Catalina Island, Pebbly Beach Canyon 304 Comment
  RSA384625  Pseudotsuga macrocarpa Geo C. Johnstone 1920-4-10 s.n. Los Angeles Mt. Lowe Comment
  RSA779452  Pseudotsuga macrocarpa R. G. Swinney 2009-6-17 11222 Los Angeles Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  UC1971287  Psilocarphus tenellus var. tenellus Louis C. Wheeler 1973-5-6 s.n. Los Angeles San Gabriel Mountains: near the mouth, east side little Tujunga. Near BM. 1227 Comment
  UCR270301  Pteridium aquilinum R. G. Swinney 2011-6-30 15403 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  CHSC95851  Pteridium aquilinum var. pubescens LeRoy Gross; Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 722 Los Angeles Transverse Ranges: Verdugo Mountains Region; South side; Off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned Summer-Fall of 2002. East side of slope a little above the bottom of upper part of Brand Canyon. 613 Comment
  RSA661006  Pteridium aquilinum var. pubescens LeRoy Gross, Steve Larson, Valerie Soza 2001-5-31 389 Los Angeles Vedugo Mountains Region: Southeast side. Dead Horse Canyon. 335 Comment
  UC1440255  Pteris vittata L. L. Kiefer 1967-4-1 3159 Los Angeles n of Pasadena (Pasadena Glen ca. 0.25 mi from end of rd); San Gabriel Mts 487 Comment
  UCR203106  Pterospora andromedea R. G. Swinney 2001-8-27 8106 Los Angeles San Gabriel Mountains, Throop Peak Ridge, c. 300 m south of DawsonSaddle on Dawson Saddle Trail 2463 Comment
  RSA392914  Pterostegia drymarioides Tom Burch 1940-3-17 s.n. Los Angeles Near Newhall 610 Comment
  CAS-BOT-BC421206  Pterostegia drymarioides Tim Ross; Orlando Mistretta 1993-5-27 7341 Los Angeles W end of the San Gabriel Mtns: Wilson Canyon 621 Comment
  UCR281293  Purshia glandulosa R. G. Swinney 2014-4-24 16228 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
  UCR47064  Purshia tridentata var. tridentata A. E. Metcalf 1987-5-23 45 Los Angeles San Gabriel Mtns., West of Wrightwood on Highway 2, 8.4 mi. west of junction of Hwy 2 and Hwy 138, at a private road to Rio Hondo Prep School 1845 Comment
  UCR3685  Pycnanthemum californicum Frank C. Vasek 1963-8-16 630816- 04 Los Angeles San Gabriel Mtns, end of Coldwater Canyon, at spring 1220 Comment
  SEINET12318187  Pycnanthemum californicum J. F. Bright, Wyman, C. 1932-1 7981 Los Angeles Hollywood Comment
  RSA477076  Quercus X grandidentata George B. Grant 1904-6-14 1091 Los Angeles Monrovia Comment
  RSA646987  Quercus X grandidentata LeRoy Gross, Michael Honer, Lel Lubinsky 2000-4-27 196 Los Angeles San Rafael Hills: South of Descanso Garden and north of the main ridge. 488 Comment
  CAS-BOT-BC104391  Quercus X macdonaldii Chas. E. Miller 1917-9-1 s.n. Los Angeles Santa Cruz Island Comment
  LA91456  Quercus agrifolia Bruce Douglas Clayton; Greg Shaw 1972-4-4 sn Los Angeles Santa Monica Mountains, Mountain Park Research Campus, Upper of Temescal and Rustic Canyons; In Nettleburn Creek Canyon 554 Comment
  UCD45036  Quercus agrifolia Gordon Pilone 1961-3-13 104 Los Angeles Wash area of Pomona College in Claremont. 365 Comment
  UCR258837  Quercus agrifolia R. G. Swinney 2010-3-22 12030 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  RSA573422  Quercus agrifolia var. agrifolia Louis C. Wheeler 1931-11-13 358 Los Angeles Mouth of Liveoak Canyon 409 Comment
  UCR270157  Quercus agrifolia var. agrifolia R. G. Swinney 2011-4-9 14388 Los Angeles San Gabriel Mountains, NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  POM290510  Quercus berberidifolia Lyman Benson 1949-11-7 14286 Los Angeles San Gabriel Mt. Range. 7 miles south of Vincent 1220 Comment
  UCR178222  Quercus berberidifolia LeRoy Gross 2000-11-12 331 Los Angeles Verdugo Mountains, Green Verdugo Fire Road, off Sunland Blvd. just west of 210 freeway. This road goes up to Green Verdugo Reservoir 412 Comment
  OBI79458  Quercus berberidifolia David J. Keil 1980-3-27 13732 Los Angeles 1 mile E of Ridge Route on Pine Canyon Road (L.A. County Rd n-2) 1189 Comment
  UCSB1127  Quercus berberidifolia Wedberg, H. 1957-3-3 Los Angeles Old Topanga Canyon Comment
  SFV870  Quercus chrysolepis P. G. Kilburn 1957-12-1 559 Los Angeles San Gabriel Mountains Just north of Mount Wilson Park. 1829 Comment
  JEPS46659  Quercus dumosa Ernest Braunton 1892-2 Los Angeles near Los Angeles Comment
  UC5590  Quercus dumosa W. H. Brewer Feb 1861 167 Los Angeles San Gabriel Comment
  RSA226206  Quercus durata var. gabrielensis Gary D. Cromwell 1971-4-21 524 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mountains. 2 mi. NE of Glendora 488 Comment
  RSA653371  Quercus durata var. gabrielensis LeRoy Gross 2000-10-28 308 Los Angeles Verdugo Mountains: Beaudry fire road north of Radio Towers, west of head of Deer Creek 762 Comment
  RSA655360  Quercus durata var. gabrielensis LeRoy Gross 2000-11-4 323 Los Angeles Verdugo Mountains: Trail at end of Morning Glow, past Sunglow Way,east off La Tuna Canyon Road, Sun Valley. 396 Comment
  UCR255945  Quercus durata var. gabrielensis D. E. Bramlet 2011-6-15 4871 Los Angeles Transverse Ranges; San Gabriel Mountains, middle of Maple Canyon, 490 m east of Big Tujunga Rd. & 477 m west of Angeles Forest Hwy 786 Comment
  RSA762408  Quercus durata var. gabrielensis Orlando Mistretta, Christine Mistretta 2008-5-9 3014 Los Angeles Southern California Edison transmission line corridor (Segment 11, structure 63) per TRTP Survey 2008), in the vicinity of Arroyo Seco Canyon. 844 Comment
  SD121747  Quercus engelmannii Ward B. Holt 1941-10-31 23 1941 Los Angeles Monrovia Comment
  SEINET13953341 Image available Quercus engelmannii Leila M. Shultz 1981-1 4948 Los Angeles cultivated native plants, Rancho Santa Ana Botanic Garden; dry fans and foothills below 4000 ft. Los Angeles county S to San Diego county 305 Comment
  SBBG44666  Quercus garryana var. breweri W. B. Holt 1941-10-19 5 -1941 Los Angeles not far from Artesian Spring Camp, rd E of reservoir, Bouquet Cyn to Loma Pelona Lookout Comment
  UCR87111  Quercus ilex Steve Boyd, T. S. Ross 1990-11-15 5305 Los Angeles Grounds of Rancho Santa Ana Botanic Garden, Claremont Comment
  RSA477303  Quercus john-tuckeri Anstruther Davidson 1893-7-4 s.n. Los Angeles Rock Creek. Comment
  SBBG11823  Quercus john-tuckeri D. E. Breedlove 1961-8-4 923 Los Angeles intersection with Big Pines Hwy and Largo Vista Rd 1371 Comment
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Jan 23 2015
  UC1871290  Quercus john-tuckeri T. S. Ross, S. D. Boyd, Peter Fritsch 1990-6-28 3979 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: NW slope between Tentrock Canyon and Poison Oak Canyon Comment
  RSA477307  Quercus lobata Fordyce Grinnell Jr. 1916-10-6 s.n. Los Angeles Pasadena. Comment
  RSA141567  Quercus macdonaldii Percy C. Everett 1960-9-27 24295 Los Angeles Santa Catalina Island, Along Road through Middle Ranch 183 Comment
  RSA141563  Quercus pacifica Percy C. Everett 1960-9-27 24292 Los Angeles Santa Catalina Island, ridge road to airport 366 Comment
  UC1188240  Quercus pacifica P. C. Everett 1960-9-27 24292 Los Angeles Ridge Road to airport Santa Catalina Island 365 Comment
  CAS-BOT-BC104425  Quercus tomentella E. R. Blakley 1962-10-6 5467 Los Angeles Channel Islands. Santa Catalina Island. Pebble Beach Canyon 91 Comment
  RSA640284  Quercus tomentella Robert F. Thorne 1971-5-18 41361 Los Angeles Santa Catalina Island: upper part of West Fork of Gallagher Canyon. 381 Comment
  LA205371  Quercus wislizeni Carl Epling; 1931-4-1 sn Los Angeles Tehachapi Mountains, Keene Station Comment
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Aug 4 2014
  RSA0038307  Quercus wislizeni Ivan Johnston 1916-11-27 s.n. Los Angeles Mts. above Claremont. 2133 Comment
  RSA0098828  Quercus wislizeni var. frutescens R. G. Swinney 2011-6-14 15135 Los Angeles San Gabriel Mountains: Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  UCR153566  Rafinesquia californica A. C. Sanders 2005-5-11 30181 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon along Plum Canyon Rd. between crest and vernal pool on bench in mid canyon, NW of Forest Park between Mint and Bouquet Cyns. 671 Comment
  RSA535746  Rafinesquia californica Timothy S. Ross 1991-5-23 5495 Los Angeles San Clemente Island: lower Tota Canyon, middle of island, eastern escarpment 81 Comment
  UC150026  Ranunculus californicus LeRoy Abrams 1903-3-8 3104 Los Angeles Inglewood Comment
  CAS-BOT-BC378875  Ranunculus californicus var. californicus LeRoy Abrams 1899-4-1 265 Los Angeles Cierrega Comment
  UCR95222  Ranunculus hydrocharoides L. C. Wheeler 1946-8-28 6288 Los Angeles San Gabriel Mtns, Caldwell Lake 1570 Comment
  UCR209443  Rhamnus californica R. G. Swinney 1969-4-22 352 Los Angeles San Gabriel Mtns., Glendora, foothills 0.5 mi. north of Sierra Madre Ave., above north end of Rainbow Dr. 354 Comment
  CAS-BOT-BC59942  Rhamnus crocea John Thomas Howell 1928-2-11 3341 Los Angeles Bottom of Haines Canyon, San Gabriel Mts. Comment
  LA207790  Rhamnus crocea Paul Gripp; May 1954 sn Los Angeles Mt. Gleason Rd., Tujunga Comment
  JEPS41982  Rhamnus ilicifolia Frank W. Peirson 1918-6-1 109 Los Angeles Eaton Canyon San Gabriel Mts. 609 Comment
  LA32115  Rhamnus ilicifolia Peter H. Raven; 1959-5-3 14064 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Drive near Beverly Glen Blvd. 380 Comment
  LA52136  Rhamnus ilicifolia Martha Hilend; K. Kinsel 1929-3-9 sn Los Angeles 219 Comment
  RSA1646  Rhamnus ilicifolia Ralph Hoffmann 1931-5-3 328 Los Angeles Western edge of Antelope Valley, 3 miles east of Elizabeth Lake. Comment
  RSA640803  Rhamnus ilicifolia Louis C. Wheeler 1931-4-8 s.n. Los Angeles San Gabriel Mountains: San Dimas Canyon. Comment
  UCR132306  Rhamnus ilicifolia John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect two 396 Comment
  RSA725592  Rhamnus pirifolia Tim Thibault, Chelsea Ames, Valentin Arvizu, Heather Porter, Janet Takara 2006-4-27 412 Los Angeles Santa Catalina Island. Boushay Canyon below Silver Peak Road. 356 Comment
  LA82199  Rhus aromatica O. H. Kappler; 1944-4-9 582 Los Angeles Santa Monica Mountains, Lake Eleanor, Russell Ranch. Sherwood lake area Comment
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May 21 2014
  CAS-BOT-BC170460  Rhus integrifolia Tim Ross; Laurel Arnseth 1990-4-7 4203 Los Angeles Upper reaches of China Cyn, S end of island, W side - San Clemente Island Comment
  RSA650021  Rhus integrifolia Gerald W. Fisher 1948-2-8 s.n. Los Angeles West bank Hollywood Reservoir (Mulholland Dam). Comment
  SD39758  Rhus integrifolia Edith A. Purer 1931-9-1 2349 Los Angeles El Segundo Comment
  LA36131  Rhus ovata B. H. Brattstrom; 1950-12-20 sn Los Angeles SANTA MONICA MOUNTAINS, Outpost Mt Comment
  LA94283  Rhus ovata Norman A. Cole; May 1964 333 Los Angeles SANTA MONICA MOUNTAINS, 1.7 mi from Pacific Coast Hwy along Rambla Pacifico. Site 9. 152 Comment
  UCR270068  Rhus ovata R. G. Swinney 2011-4-9 14358 Los Angeles San Gabriel Mountains, NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  LA205467  Ribes amarum Louis Wheeler; 1932-3-20 525 Los Angeles San Gabriel Mountains, San Dimas Canyon 533 Comment
  UC11474  Ribes amarum A. J. McClatchie 1896-3-7 Los Angeles San Gabriel Mts. Comment
  POM99  Ribes amarum C. F. Baker 1903-2-27 6327 Los Angeles San Antonia Canyon, Claremont. Comment
  RSA476435  Ribes aureum Tom Burch 1940-3-17 s.n. Los Angeles Near Newhall. In Galbreath's ranch. 610 Comment
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Aug 20 2014
  POM8837  Ribes aureum var. gracillimum I. M. Johnston 1920-1-4 3229 Los Angeles Lone HIll south of Glendora Comment
  RSA612176  Ribes aureum var. gracillimum Ma. Elena Siqueiros 1997-3-8 4346 Los Angeles NW corner of Mills Ave, and Foothill Blvd, Claremont, West of main road on foothill entrance, jct of two fire roads, south of old infirmary. 412 Comment
  UCR205535  Ribes aureum var. gracillimum A. C. Sanders, T. B. Salvato 2009-5-21 36893 Los Angeles San Gabriel Valley, Whittier Narrows near South El Monte, north of San Gabriel River channel and SE of Durfee Ave., west half of Whittier Narrows Nature Center along SCE powerlines 70 Comment
  CAS-BOT-BC93090  Ribes californicum var. hesperium Louis C. Wheeler 1932-1-16 438 Los Angeles Liveoak Wash. 405 Comment
  CAS-BOT-BC93096  Ribes californicum var. hesperium C. F. Baker 1903-2-17 4063 Los Angeles San Antonio Canyon near Claremont. Comment
  CAS-BOT-BC93112  Ribes californicum var. hesperium Clarence R. Quick 1939-11-22 050 Los Angeles Collected in San Gabriel Canyon. Comment
  POM48559  Ribes californicum var. hesperium Alice Eastwood 1904-2-17 s.n. Los Angeles San Antonio Canyon Comment
  RSA675701  Ribes indecorum Scott D. White 2001-2-4 8156 Los Angeles Evey Canyon, a tributaryto San Antonio Cyn just above San Antonio Flood Control Dam. 732 Comment
  RSA651625  Ribes malvaceum G. F. Orr 1956-3-10 s.n. Los Angeles Topanga Canyon. 549 Comment
  RSA713876  Ribes malvaceum C. Epling 1933-04 s.n. Los Angeles Santa Monica Mtns, Boney Ridge. Comment
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Nov 11 2014
  SD143854  Ribes malvaceum var. malvaceum Scott D. White, Pam DeVries 1997-11-25 6036 B Los Angeles San Gabriel river Canyon; north of Azusa, below Morris Dam, just southeast of private orchard. 249 Comment
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Sep 25 2008
  RSA0091480  Ribes malvaceum var. viridifolium R. G. Swinney 2011-3-22 14191 Los Angeles mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 509 Comment
  RSA590589  Ribes malvaceum var. viridifolium Tim S. Ross, W. Appleby 1993-5-20 7191 Los Angeles Western San Gabriel Mts.: vicinity of Wilson Canyon Saddle. 948 Comment
  SD90248  Ribes malvaceum var. viridifolium Benjamin C. Stone 1953-3-9 285 Los Angeles In chaparral on ridge above San Gabriel Dam. 1128 Comment
  UC440364  Ribes malvaceum var. viridifolium Carl Epling 1930-3-8 Los Angeles Mandeville Canyon Santa Monica Mountains Comment
  RSA0023188  Ribes quercetorum Steve Boyd 1996-4-25 8679 Los Angeles Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain., From gate at old inholding boundary near spring area along Forest Service Road 7N22 down to beginning of extensive wetland south of the old dry pastures. 915 Comment
  RSA512153  Ribes quercetorum Steve Myers 1989-4-28 s.n. Los Angeles Palmdale area, Elizabeth Lake Road at California Aqueduct . San Andreas rift zone bissects the site. Comment
  UC1127510  Ribes quercetorum G. E. Sindel 1935-1-7 108 Los Angeles 1 1/4 mi se Quail Lake; Tejon Quadrangle Comment
  CAS-BOT-BC186157  Ribes roezlii var. roezlii A. D. E. Elmer 1902-6-1 3604 Los Angeles Acton, Mt. Gleason Comment
  CAS-BOT-BC168664  Ribes speciosum LeRoy Abrams 1902-6-17 2563 Los Angeles Sepulveda Canyon, Santa Monica Mountains Comment
  LA50718  Ribes speciosum C. & M. Epling; 1925-5-18 sn Los Angeles 131 Comment
  UC1349064  Ribes viburnifolium Robert F. Thorne 1966-4-30 36333 Los Angeles Santa Catalina Island, on w fork of Gallagher's Canyon Gallagher's Canyon 304 Comment
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Dec 19 2011
  RSA592316  Ricinus communis L. C. Wheeler 1967-5-13 9499 Los Angeles San Gabriel Mountains; mesa between Little Dalton and Englewild canyons. 373 Comment
  RSA598852  Rigiopappus leptocladus Steve Boyd, Timothy S. Ross 1997-3-21 9226 Los Angeles Liebre Mountains, Portal Ridge, head of Broad Canyon, east of VABM King and 0.2 miles east of the junction of Forest Service Roads 7N07 and 7N07A, near an abandoned road alignment leading down ridgeline dividing Bleich Canyon and Broad Canyon. 1310 Comment
  RSA594938  Robinia pseudoacacia Steve Boyd, Lauren Raz 1996-10-8 9003 Los Angeles Liebre Mountains region, Bouquet Canyon ca. 0.9 miles south of junction with Forest Service Road 6N08. 561 Comment
  UCR205559  Rorippa nasturtium-aquaticum R. G. Swinney 2008-5-30 8884 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  JEPS45668  Rosa californica Frank W. Peirson 1918-7-9 84 Los Angeles San Antonio Canyon San Gabriel Mts. 1341 Comment
  UCR106901  Rubus discolor Steve Boyd, Lauren Raz 1997-6-18 9979 Los Angeles Liebre Mtns, Liebre Mountains, Portal Ridge, open ridgeline about jct of Juday Truck Trail and Troedal Motorway, south of Troedel Spring 1183 Comment
  POM11581  Rubus parviflorus Philip A. Munz 1921-6-17 4671 Los Angeles Sawmill, Swartout [Swarthout] Valley. 2043 Comment
  RSA600783  Rubus ursinus Louis C. Wheeler 1949-5-19 6704 Los Angeles Potrero Heights. Comment
  RSA0081129  Rumex conglomeratus R. G. Swinney 2010-6-29 13387 Los Angeles Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center. 305 Comment
  LA200768  Rumex conglomeratus Jonathan Sauer; R Tommaso 1977-7-16 5981 Los Angeles Santa Monica Mountains, Las Tunas Canyon, near Coast Highway Comment
  POM158280  Rumex crispus M. B. Dunkle 1928-4-29 1919 Los Angeles Little Harbor. 5 Comment
  RSA466073  Rumex crispus Blanche Trask 1901-03 s.n. Los Angeles Avalon, Catalina Island. Comment
  RSA466077  Rumex crispus Bonnie C. Templeton 1932-7-20 5013 Los Angeles Big Pines Park. 2092 Comment
  UCSB1599  Rumex crispus Haller, Norman 1953-3-4 Los Angeles Faculty Hill, U.C.L.A., Los Angeles Comment
  RSA600111  Rumex hymenosepalus Steve Boyd, Lauren Raz 1997-3-26 9368 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
  CDA23198  Rumex salicifolius Phillipson 1915-8-4 Los Angeles South Duarte. Comment
  UC850519  Rumex salicifolius var. salicifolius Louis C. Wheeler 1932-6-17 831 Los Angeles 1 mi w Claremont 365 Comment
  RSA547803  Rumex salicifolius var. salicifolius Tim S. Ross, Peter Fritsch 1990-6-20 3599 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
  UC380823  Rupertia physodes M. E. Jones 1882-5-2 2691 Los Angeles Pasadena Comment
  CAS-BOT-BC454103  Ruppia cirrhosa S. B. Parish; W. F. Parish 1882-10-1 1606 Los Angeles Centinella [Centinela] Rancho Comment
  CAS-BOT-BC454162  Ruppia maritima Carl B. Wolf 1932-5-12 3591 Los Angeles Little Harbor, Santa Catalina Island. 3 Comment
  CAS-BOT-BC454163  Ruppia maritima L. R. Abrams 1901-6-11 1751 Los Angeles Wilmington Comment
  RSA0119761  Salazaria mexicana R. G. Swinney 2014-4-30 16299 Los Angeles San Gabriel Mountains; 3.8-4.0 miles s. of Hwy. 138 on w. side of Largo Vista Road to ridge, c. 100 meters to the west. 1387 Comment
  CDA23462  Salicornia pacifica T. C. Fuller 1963-10-9 11365 Los Angeles West bank of the San Gabriel River at 7th Street bridge, Long Beach. 0 Comment
  CAS-BOT-BC103146  Salix bonplandiana Geo. B. Grant Apr. 4 3723 Los Angeles Los Angeles River Comment
  CAS-BOT-BC103177  Salix bonplandiana S. Parnay Mar. 235 Los Angeles Little Tujunga [Canon] Canyon Comment
  POM50186  Salix exigua A. D. E. Elmer 1902-06 3650 Los Angeles Saugus. Comment
  LA208638  Salix exigua var. hindsiana F. R. Fosberg; 1932-3-3 7411 Los Angeles San Gabriel Mountains, Castaic Creek, below Castaic 300.0 Comment
  RSA547432  Salix laevigata Tim S. Ross 1992-5-17 6358 Los Angeles San Gabriel Mountains: E Fork of the San Gabriel River; about 80 m S of the mouth of Shoemaker Canyon. Comment
  SD215660  Salix laevigata Steve Boyd, Timothy S. Ross 1997-3-21 9199 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring 1182 Comment
  CAS-BOT-BC128140  Salix lasiandra var. lasiandra Le Roy Abrams 1901-4-8 1449 Los Angeles Los Angeles River near Cahuenga Pass Comment
  CATA105  Salix lasiolepis Peter Henrikson 1987-4-23 78 Los Angeles Santa Catalina Island: Lower Middle Canyon 15 Comment
  POM362711  Salix lasiolepis D. A. Young 1969-3-10 P 418 Los Angeles 1/2 mi. from gate 6 of Puddingstone State Park off of san Dimas Ave., in a canyon 300 yds. NW of the road. 305 Comment
  RSA155822  Salix lasiolepis Peter H. Raven 1962-5-20 17801 Los Angeles Santa Catalina Island. Bullrush Canyon, about opposite ranch in Middle Canyon. 213 Comment
  RSA600778  Salix lasiolepis Louis C. Wheeler 1962-6-30 8154 Los Angeles San Gabriel Mountains. Pacoima Canyon at Bad Canyon. 976 Comment
  RSA656259  Salix lasiolepis Sara Kabat 1977-3-3 2 Los Angeles Verdugo Mountains: South bank of Deer Creek, 300 yards west of Masinter Debris Dam, west of Oakmont Country Club, Glendale. 381 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
  UCR255778  Salix lasiolepis R. G. Swinney 2010-4-15 12266 Los Angeles San Gabriel Mountains, Upper Lime Kiln Cyn., 1.2-1.5 miles east of Pacoima Wash, 0.3 to 0.6 miles NE of Limekiln Cyn. fork, due south of Kagel Mt. 854 Comment
  CAS-BOT-BC107534  Salix lasiolepis var. lasiolepis Marcus E. Jones 1926-2-26 s.n. Los Angeles Mountains near Claremont Comment
  RSA618991  Salix lucida subsp. lasiandra LeRoy Gross 1998-10-16 83 Los Angeles Southern base San Gabriel Mtns.: Tujunga Ponds. West of 210 freeway in big Tujunga wash, city of Sunland. 366 Comment
  RSA586473  Salsola tragus Orlando Mistretta 1995-6-21 1822 Los Angeles San Gabriel Mountains: Emma section, lower Little Rock Creek drainage. Along road near Guard Station. 960 Comment
  UCR223066  Salsola tragus R. G. Swinney 2009-5-6 10683 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon at confluence with Little Rock Creek 909 Comment
  RSA469662  Saltugilia splendens subsp. grantii L. E. Hoffman 1927-8-19 s.n. Los Angeles Clear Creek, Angeles National Forest. Comment
  POM3566  Saltugilia splendens subsp. grantii D. L. Crawford 1915-6-30 560 Los Angeles Bear Flats, Mts. above Claremont 2134 Comment
  RSA783521  Salvia J. D. Olmsted 1959-9-21 977 Los Angeles Northwest side of road from Big Dalton dam to Tan bark Flat along border of Bell Watershed 0.5 mi. below turn to Glendora Mt. Rd. SDEF. San Gabriel Mt. Range. 808 Comment
  RSA145216  Salvia apiana Alice Ann Webb, R. Heald 1961-3-21 791 Los Angeles Johnson's Pasture, Claremont. San Gabriel Mt. Range, San Gabriel drainage area. 457 Comment
  UCD63555  Salvia apiana Daniel Sanchez-Mata 2006-6-29 s.n. Los Angeles Azusa. Los Angeles National Forest. S. Gabriel Canyon Road close to Torpedos Dam and Morris Reservoir. 450 Comment
  RSA144762  Salvia apiana N. Nicolson 1961-3-3 782 Los Angeles Padua Hills, Claremont. Mountain Range - San Gabriel, Drainage Area - San Gabriel. 427 Comment
  RSA199157  Salvia apiana Robert F. Thorne, D. Propst 1968-5-29 37687 Los Angeles Santa Catalina Island: central part of Cape Canyon 305 Comment
  RSA640971  Salvia apiana Louis C. Wheeler 1931-7-7 s.n. Los Angeles 1/4 mile northeast Stoner's: (vicinity of Claremont). Comment
  RSA479525  Salvia columbariae Steve Boyd, Thomas Elias 1987-4-14 2064 Los Angeles San Gabriel Mountains, ridge between Pine Mtn. and Silver Mtn. S. of Rincon - Red Box Rd, N of Glendora. Comment
  SD260266  Salvia columbariae R. G. Swinney 2010-5-19 12824 Los Angeles San Gabriel Mountains/Western Mojave Desert: Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd, just W of Angeles Nat. Forest boundary, 2.05 mi. due E of Angeles Forest Hwy, 0.8 mi due W of Mt Emma Rd 1349 Comment
  UCR270813  Salvia columbariae R. G. Swinney 2011-5-24 14831 Los Angeles San Gabriel Mountains, to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1061 Comment
  RSA251469  Salvia columbariae Robert F. Thorne 1973-4-11 42830 Los Angeles San Clemente Island: upper part of Norton Canyon. 274 Comment
  RSA305054  Salvia dorrii var. pilosa E. R. Hobbs 1978-4-23 78 -174 Los Angeles Bob's Gap, Antelope Valley. Comment
  SD231334  Salvia dorrii var. pilosa Sula Vanderplank, LeRoy Gross & Steve Hoskinson. 2005-5-6 50506 41 Los Angeles Transverse Ranges; San Gabriel Mountains region; Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  SBBG96786  Salvia leucophylla T. Ross, S. Boyd 1990-6-6 2876 Los Angeles Piru Ponds 644 Comment
  SEINET4044542  Salvia leucophylla D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains, Malibu Creek State Park. 259 Comment
  CAS-BOT-BC233294  Salvia mellifera Alice Eastwood 1917-7-20 6457 Los Angeles Santa Catalina Island Comment
  RSA305332  Salvia mellifera Henry J. Ramsey 1937-3-22 624 Los Angeles Santa Susana Pass 293 Comment
  UC1124794  Salvia mellifera F. H. Raymond 1930-1-13 29 Los Angeles Head of Puerco Canyon; Calabasas Quad. 274 Comment
  UC416702  Salvia mellifera J. Grinnell 1903-6-30 Los Angeles Arroyo Seco; Pasadena Comment
  UC883991  Salvia spathacea Ira W. Clokey, B. Templeton May 1929 4481 Los Angeles Mandeville Canyon; Santa Monica Mountains 300 Comment
  RSA477545  Sambucus mexicana F. R. Fosberg 1931-5-5 S- 4769 Los Angeles Santa Catalina Island: Bullrush Canyon. Comment
  RSA0085081  Sambucus mexicana T. S. Ross 1991-4-8 4478 Los Angeles Elephant Hill: western Pomona. 265 Comment
  CAS-BOT-BC227082  Sambucus nigra subsp. caerulea Timothy S. Ross; Steve Boyd 1994-5-10 7707 Los Angeles Liebre Mountains. Saddle divide between East Fork Fish Canyon and Warm Springs Canyon: vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132); ca 2920 m NNW of Warm Springs Mtn summit 890 Comment
  CAS-BOT-BC238741  Sambucus nigra subsp. caerulea Alice Eastwood 1917-7-20 6471 Los Angeles Santa Catalina Island Comment
  LA94335  Sambucus nigra subsp. canadensis M. Epling; Carl Epling May 1925 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  RSA785813  Sanicula arguta K. Dobry 1990-3-25 114 Los Angeles Simi Hills at Dayton Canyon Comment
  SD215376  Sanicula arguta Louis C. Wheeler 1969-5-4 Los Angeles San Gabriel Mountains: Placerita Canyon, same location as April 19. Comment
  UCR184122  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
  POM155762  Sanicula crassicaulis M. L. Bryan 1928-4-20 89 Los Angeles Mandeville Canyon, near Santa Monica. Comment
  SD253359  Sanicula crassicaulis R. G. Swinney 2011-3-18 14145 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail. 1000 Comment
  RSA450062  Sarcodes sanguinea J. C. Roos 1966-6-15 s.n. Los Angeles N. slope of Mount Baden-Powell near laurel Spring 2378 Comment
  CATA671  Schismus arabicus Mark L. Hoefs 1991-4-23 1160 Los Angeles Santa Catalina Island: Around upper White's Landing Road 451 Comment
  RSA177765  Schismus arabicus R. F. Thorne, P. Everett 1965-5-10 34455 Los Angeles Near Echo Lake, Santa Catalina Island 412 Comment
  CHSC59646  Schismus barbatus Daryl Koutnik; John Cuti 1978-4-19 375 Los Angeles Along fireroad. Verdugo Mountains on road overlooking Stough Canyon. 548 Comment
  RSA0053878  Schismus barbatus R. G. Swinney 2010-5-11 12628 Los Angeles San Gabriel Mountains: Acton 0.7 road miles SE of jct. of Soledad Canyon Rd. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 Comment
  UCR178052  Schismus barbatus LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 690 Los Angeles Transverse Ranges: Verdugo Mtns, south side of mountains, along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway 783 Comment
  UCR62322  Schismus barbatus R. G. Swinney 1990-3-24 1565 Los Angeles Los Angeles Basin, South Hills Park, Glendora Centennial Heritage Park, in the city of Glendora, south of Big Dalton Channel 238 Comment
  UCR270069  Schoenoplectus acutus R. G. Swinney 2010-6-29 13388 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center 305 Comment
  RSA365989  Schoenoplectus americanus L. C. Wheeler 1932-9-19 1399 Los Angeles Los Angeles R. [River] at Los Feliz Blvd 122 Comment
  RSA524181  Schoenoplectus americanus Timothy S. Ross, Steve Boyd 1990-6-6 2866 Los Angeles Piru Pond: Los Padres National Forest. (admin. by Angeles N.F.) 645 Comment
  CAS-BOT-BC111229  Schoenoplectus californicus Roxana S. Ferris 1918-6-12 924 Los Angeles In marsh formed by artesian well at Lancaster. Comment
  SD253325  Scirpus microcarpus R. G. Swinney 2011-10-13 15798 Los Angeles San Gabriel Mountains; Chilao Flat, FS road crossing of Chilao stream, E of Chilao Visitors Center and W of Hwy 2 (Chilao Flat 7.5'Q) Canyon bottomoutside 2009 Station Fire burn. 1622 Comment
  SBBG27156  Scrophularia californica I. W. Clokey, B. Templeton -Jul-1929 4573 Los Angeles Mandeville Cyn 300 Comment
  RSA650918  Scrophularia californica subsp. floribunda Matt Bogdanoff 1981-5-25 29 Los Angeles Glendora Mtn. Rd., 6.7 mi N of junction with Sierra Madre Ave., N of Glendora. 762 Comment
  RSA213347  Scrophularia villosa Reid V. Moran 1941-2-28 645 Los Angeles Santa Catalina Island, Johnson's Valley 100 Comment
  RSA97633  Scutellaria austiniae R. M. Straw 1954-6-16 618 Los Angeles Horse Flats Road, off Angeles Crest Hwy, Angeles National Forest. Comment
  UC534828  Scutellaria siphocampyloides Victor Duran 1933-7-8 3503 Los Angeles Horse Flats; San Gabriel Mountians, Horse Flats 1676 Comment
  UCR52835  Secale cereale B. Lennart Johnson 1966-1 s.n. Los Angeles Grown at University of California, Los Angeles 152 Comment
  RSA0081663  Sedum spathulifolium Timothy S. Ross, Steve D. Boyd 1994-5-11 7831 Los Angeles Elizabeth Lake Canyon: dogleg bend in the canyon between the influxes of Warm Springs Canyon (from the W) and Ruby Canyon (from the E). 628 Comment
  RSA0081661  Sedum spathulifolium T. S. Ross, Annette H. Ross 1991-11-22 6024 Los Angeles Glendora Ridge Road: on the divide between upper east fork San dimas Canyon (on the S) and Cow Canyon 9 (on the N) 0.65 road-mil W of Fallen leaf Spring. 1377 Comment
  RSA716929  Selaginella bigelovii LeRoy Gross, Naomi Fraga 2006-1-20 2449 Los Angeles East end of the Verdugo's. North side of the main crest. Deer Creek off of Beaudry Road. West of Debris Basin. Near 448 Comment
  UC750623  Senecio flaccidus var. douglasii Lewis S. Rose 1946-12-21 46299 a Los Angeles 3 mi ne La Canada (Angeles Crest Highway) 609 Comment
  UCR93948  Senecio flaccidus var. douglasii R. D. Goeden, J. Teerink 1996-7-16 s.n. Los Angeles San Gabriel Mtns., above Grandview Canyon on Big Pines Highway 1760 Comment
  CATA2044  Senecio lyonii Steven A. Junak, Mark Hoefs, Lisa Stratton 1998-6-11 Los Angeles Santa Catalina Island: Along horse trail/fire road on E side of Avalon Canyon, across from Quail Canyon and above baseball field 106 Comment
  RSA592829  Senecio vulgaris L. C. Wheeler 1967-4-8 9178 Los Angeles San Gabriel Mountains. San Gabriel Canyon, El Encanto. Comment
  UCR162583  Sesuvium verrucosum Anuja Parikh, Nathan Gale 2004-5-31 2014 Los Angeles Western Transverse Range, Santa Clara River Valley, Newhall Ranch, along Santa Clara River (SCR sect. 1) at and below confluence of Potrero Canyon 259 Comment
  UCD92630  Setaria parviflora Ernest C. Twisselmann 1971-9-19 18513 Los Angeles Ingraham Street at Lucas Street (downtown district.) 60 Comment
  RSA447537  Sherardia arvensis E. S. Spalding 1925-6-23 s.n. Los Angeles U.S.C. Campus. Comment
  UC18908  Sidalcea malviflora subsp. sparsifolia H. P. Chandler 1897-3-14 Los Angeles San Dimas 457 Comment
  RSA0119763  Silene gallica R. G. Swinney 2014-5-27 16649 Los Angeles San Gabriel Mountains; Glendora, ridge between east and north forks of Hook Cyn., c. 400 m. south of Glendora Ridge Mtwy. on s.-facing slope at 15-40 % grade., C. 200 m. due n. of Church of the Open Door and n. and e. of Hook Cyn. debris basin. 445 Comment
  POM277  Silene gallica C. W. Emland s.n. Los Angeles Indian Hill, Claremont. 366 Comment
  LA94365  Silene laciniata subsp. laciniata W. O. Griesel; 1936-6-18 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  UC72592  Silene laciniata subsp. major Pupils of Los Angeles High School May 1903 Los Angeles Laurel Canyon Comment
  UCR259394  Silene laciniata subsp. major R. G. Swinney 2010-8-30 13626 Los Angeles San Gabriel Mountains, East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream 744 Comment
  UCR194623  Silene verecunda R. G. Swinney 1998-8-31 6865 Los Angeles San Gabriel Mtns., San Antonio Ridge, 1.1 mi. west of Mt. Baldy, east of saddle 2415 Comment
  UCR270854  Silene verecunda R. G. Swinney 2011-8-17 15635 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  RSA596420  Silene verecunda subsp. platyota Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3357 Los Angeles Big Rock Creek Canyon: ca 120 m NNW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin). 1732 Comment
  RSA229108  Silene verecunda subsp. platyota R. F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38879 Los Angeles Near Lodgepole Picnic ground at headwaters of Dorr Canyon, N slope of Throop Peak, above Angeles Crest Hwy., 1.2 mi. SE of Dawson saddle. 2332 Comment
  POM214317  Sinapis arvensis L. C. Wheeler 1934-3-23 2462 Los Angeles San Dimas Canyon 426 Comment
  CDA3861  Sisymbrium altissimum L. C. Wheeler 1968-4-26 s.n. Los Angeles San Gabriel Mountains region; Transverse Ranges; saddle immediately east of Magic Mountain 0 Comment
  UCR221899  Sisymbrium altissimum R. G. Swinney 2009-4-28 10540 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  SD124476  Sisymbrium altissimum Barry Prigge 1986-3-20 6968 Los Angeles Tehachapi Mountains: 0.4 mile east of Gorman on Lancaster Road. 1232 Comment
  UCR168322  Sisymbrium irio Elizabeth Crow 1929-2-10 154 Los Angeles San Gabriel Valley, Crow Ranch, Glendora 305 Comment
  HSC79810  Sisymbrium irio James Henrickson 1973-6-15 10681 Los Angeles City of Long Beach, near Long Beach Arena 3 Comment
  RSA639562  Sisymbrium irio L. C. Wheeler 1967-5-18 9646 Los Angeles San Gabriel Mountains: Placerita Canyon, vicinity of Oak of the Golden Dream. 478 Comment
  CAS-BOT-BC350981  Sisymbrium orientale Duncan S. Bell; Caitlin Elam; Evan Meyer 2013-6-13 5124 Los Angeles Transverse Ranges; San Gabriel Mountains region: Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the SW flanks of Mount San Antonio. 898 Comment
  CHSC95783  Sisymbrium orientale LeRoy Gross; Naomi Fraga 2002-4-4 519 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Southwest side; From saddle along main crest where the dirt roads of Verdugo Mountain Way and Chandler Fire Road meet, (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road, (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. This home was burned down a long time ago, and road abandoned. 457 Comment
  RSA602450  Sisymbrium orientale Scott D. White 1997-5-14 5133 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. 351 Comment
  UCR255851  Sisymbrium orientale Dan S. Cooper 2014-6-26 614- 67 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, along north side of Forest Lawn Rd. across from cemetery 152 Comment
  RSA630753  Sisymbrium orientale L. C. Wheeler 1973-4-8 s.n. Los Angeles Kagel Canyon. 670 Comment
  RSA0080727  Sisyrinchium bellum R. G. Swinney 2010-9-9 13757 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  RSA366026A  Sisyrinchium bellum Gale Sphon 1955-5-12 s.n. Los Angeles 0.5 mile west of Beverly Glen on Mulholland Drive. Comment
  SBBG117042  Sisyrinchium bellum S. A. Junak 2001-5-4 SCa 1484 Los Angeles S of Parson's Landing 109 Comment
  UC998919  Sisyrinchium bellum P. O. Schallert 1944-4-20 Los Angeles Monrovia Canyon Comment
  UC1922356  Solanum americanum Scott D. White, A. Warniment 2006-7-6 11602 Los Angeles SE TEHACHAPI MTNS.: Gorman area, sag ponds and adj. slopes just N of Gorman Post Rd. Comment
  RSA0062515  Solanum douglasii R. G. Swinney 2010-4-20 12313 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  RSA422413  Solanum douglasii Mable Emler 1929-7-18 s.n. Los Angeles Griffith Park. Comment
  UC884852  Solanum douglasii Ezra C. Knopf 239 Los Angeles Santa Catalina Island Comment
  UCD67371  Solanum douglasii Natalie deGarder 1992-5-30 22 Los Angeles Altadena, 1.5 mi. from Highway 210 up Lincoln Rd to top of Rising Hill Road. 518 Comment
  UCR259966  Solanum douglasii R. G. Swinney 2010-3-18 11982 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road 540 Comment
  POM47793  Solanum douglasii Joseph A. Ewan 1930-10-10 3528 Los Angeles Hermit Trail of Big Santa Anita Canyon. 854 Comment
  RSA422417  Solanum douglasii M. Bisbee 1917-5-29 s.n. Los Angeles Roadside, Eagle Rock Comment
  CAS-BOT-BC83634  Solanum umbelliferum C. Epling; L. Wheeler 1933-6-4 1850 Los Angeles Near Summit, Ridge Route. 1524 Comment
  POM9216  Solanum umbelliferum Philip A. Munz, R. D. Harwood 1920-5-17 3980 Los Angeles Topanga Canyon, Santa Monica Mountains 152 Comment
  RSA0096624  Solanum umbelliferum R. G. Swinney 2011-6-22 15261 Los Angeles San Gabriel Mountains: Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy 1780 Comment
  RSA680201  Solanum umbelliferum Valerie L. Soza, Sarah J. De Groot 2003-6-11 1656 Los Angeles San Gabriel Mountains: Praire Fork, southeast of Cabin Flat. 1799 Comment
  UCR255790  Solanum umbelliferum R. G. Swinney 2010-3-10 11823 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
  UCR258687  Solanum umbelliferum R. G. Swinney 2010-3-16 11941 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  UC1595370  Solanum umbelliferum Tim Ross 1992-7-16 6704 Los Angeles between Iron Mountain and Condor Peak (9 degrees nne, 725 m distant from Condor Peak Summit, just ne of 4949 ft ridgetop knoll); San Gabriel Mountains 1481 Comment
  CAS-BOT-BC236427  Solanum wallacei Carl B. Wolf 1941-6-25 10891 Los Angeles About 1 mile N.E. of the Wrigley Mausoleum at head of Avalon Valley, Santa Catalina Island 121 Comment
  SD28035  Solanum wallacei subsp. clokeyi Carl B. Wolf 1932-5-9 3491 Los Angeles Santa Catalina Island. Along road to Renton Mine, about due west of Pebbly Beach 305 Comment
  NY820418  Solanum xanti M. H. Kinsey 1935-3-13 s.n. Los Angeles Bel Air Estates, Santa Monica Mts., W. Los Angeles Comment
  RSA657349  Solanum xanti var. intermedium S. Campbell 1980-5-9 7 Los Angeles Verdugo Mountains Region: Verdugo Mountain Canyon, off La Tuna Canyon off-ramp from 210 Freeway, Fire Road East. 305 Comment
  SEINET6186072  Solanum xanti var. intermedium I. W. Clokey 1931-3-11 5348 Los Angeles San Gabriel Canyon 900 Comment
  POM4689  Solidago confinis C. F. Baker 1903-9-20 s.n. Los Angeles San Antonio Canyon near Claremont. Comment
  RSA0034301  Solidago confinis Orlando Mistretta 1990-7-2 s.n. Los Angeles Bear Flat 1746 Comment
  RSA763517  Solidago confinis R. G. Swinney 2008-11-29 9857 Los Angeles Mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  UC729507  Solidago confinis Carl B. Wolf 1932-9-16 4096 Los Angeles at extreme se corner Pacific Western Oil Company Lease (Bryant Ranch, 100-150 ft w of State Highway); Bryant Ranch, at extreme se corner of Pacific Western Oil Co 1 Comment
  JEPS32448  Solidago velutina subsp. californica F. W. Peirson 1918-11-1 230 a Los Angeles Arroyo Seco , Arroyo Seco (San Gabriel Mts.) 1295 Comment
  SD255663  Solidago velutina subsp. californica R. G. Swinney 2010-9-9 13764 Los Angeles San Gabriel Mountains; Big Cienaga, north of Crystal Lake Campground, 0.6 mile east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. (Crystal Lake 7.5'Q) Comment
  RSA356028  Sonchus asper R. F. Thorne 1975-9-4 47385 Los Angeles Santa Catalina Island: Fisherman's Cove; campus of USC Marine Science Center. Comment
  CAS-BOT-BC365995  Sonchus asper M. B. Dunkle 1939-4-2 7209 Los Angeles Southeast point, San Clemente Island Comment
  RSA534020  Sonchus oleraceus Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5308 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']). Beginning of drainage. 389 Comment
  RSA512068  Sorghum halepense L. C. Wheeler 1966-9-21 8897 Los Angeles San Gabriel Mountains, north fork San Gabriel Canyon, 1/4 mile downhill from intersection of main road to upper Bichota Canyon. 854 Comment
  RSA482000  Spartium junceum Richard Noyes 1988-5-12 561 Los Angeles San Gabriel Mountains: San Antonio Canyon. One mile north of intersection of Mt. Baldy Road and Mountain Avenue 854 Comment
  RSA533474  Spartium junceum Tim S. Ross 1991-4-21 4567 Los Angeles Whittier Hills (Puente Hills, pro parte): Middle Turnbull Canyon drainage, vicinity of old water tank. 220 Comment
  UCR255787  Spartium junceum R. G. Swinney 2010-4-20 12300 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
  RSA602077  Spergula arvensis L. C. Wheeler 1946-7-9 6220 Los Angeles San Gabriel: Garibaldi Avenue and San Gabriel Boulevard. Comment
  UC2026412  Spergula arvensis Louis C. Wheeler 1946-7-9 6220 Los Angeles SAN GABRIEL: Garibaldi Avenue and San Gabriel Boulevard. Comment
  CAS-BOT-BC390330  Spergularia macrotheca var. macrotheca Edgar A. Mearns 1894-6-25 4079 Los Angeles San Clemente Island Comment
  SBBG37832  Spergularia macrotheca var. macrotheca M. B. Dunkle 1939-4-2 7205 Los Angeles SE point of San Clemente Island Comment
  SBBG77784  Spergularia macrotheca var. macrotheca F. R. Fosberg 1931-4-3 4466 Los Angeles Pebbly Beach Rd 5 Comment
  RSA0098112  Spergularia rubra Orlando Mistretta, Christine Mistretta 2010-5-20 5165 Los Angeles San Gabriel Mountains region: Aliso Creek, slopes W of Angeles Forest Hwy., 0.6 miles S of jct. with Aliso Cyn. Rd. 1280 Comment
  CAS-BOT-BC235434  Sporobolus airoides A. D. E. Elmer 1902-6-1 3623 Los Angeles Lancaster Comment
  UCR162579  Sporobolus airoides Anuja Parikh, Nathan Gale 2004-7-2 2078 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 13), near the Ventura County line, downstream of Mayo Spur 305 Comment
  LA52397  Stachys albens Carl Epling; Betty Studt 1938-7-20 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA230734  Stachys albens Robert F. Thorne, M. Z. Thorne 1969-7-9 s.n. Los Angeles San Gabriel Mountains, Angeles National Forest: upper part of large, wet sloping meadow at Big Pines 2073 Comment
  LA105087  Stachys bullata Barry A. Prigge; 1988-7-3 8232 Los Angeles Comment
  RSA446632  Stachys bullata Freda Detmers, E. A. Purer 1931-4-28 s.n. Los Angeles Palos Verdes Hills. Comment
  SEINET9320118  Stachys bullata Unknown 2009-3-28 10193 Los Angeles Transverse Range; San Gabriel Mtns.: Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon. Canyon bottom; gray loose soil; riparian vegetation on stream sides with Ageratina adenophora, Alnus rhombifolia, Baccharis salicifolia, Ribes californicum, etc., chaparral and coastal sage scrub on surrounding slopes. Comment
  LA200331  Stanleya pinnata Monte Lloyd; 1950-7-15 500715p 1352 Los Angeles Santa Monica Mountains, a few mi. N of Santa Monica along Pacific Coast Hwy 15 Comment
  IRVC26174  Stanleya pinnata var. pinnata Mark A. Elvin 2003-4-9 2468 Los Angeles Newhall Ranch Commerce Center, canyon N of SR 126 from 'Grapevine Mesa' Santa Clarita Valley 335 Comment
  CATA2017  Stebbinsoseris heterocarpa Steven A. Junak, Mark Hoefs, Keri Kirkland 1998-4-4 Los Angeles Santa Catalina Island: Little Ripper's Canyon, just inland from beach 36 Comment
  LA212134  Stellaria media Robin J. Tausch; 1963-2-24 s.n. Los Angeles Field N side of Ventura Blvd. 243 Comment
  RSA527745  Stephanomeria blairii Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-8 4313 Los Angeles San Clemente Island: E side of island, near Malo Point, first canyon S of Bryce Canyon, head of canyon below Malo benchmark Comment
  CAS-BOT-BC375146  Stephanomeria cichoriacea Peter H. Raven; Henry J. Thompson 1959-9-27 14502 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Sepulveda Canyon 243 Comment
  SBBG67872  Stephanomeria pauciflora R. Hoffmann 1928-7-8 Los Angeles Lancaster Comment
  UCR238080  Stephanomeria pauciflora Mark A. Elvin, Julie M. Vanderwier 2002-7-18 2101 Los Angeles Western Transverse Range; Santa Clarita Valley Area, Newhall Ranch, ridge west of Potrero Canyon 396 Comment
  POM211779  Stephanomeria pauciflora var. pauciflora L. C. Wheeler 1933-9-26 2123 Los Angeles San Gabriel Canyon, San Gabriel Mts. 335 Comment
  RSA774089  Stephanomeria virgata R. G. Swinney 2009-7-29 11436 Los Angeles Pacifico Mountain summit 2134 Comment
  JEPS26122  Stephanomeria virgata subsp. virgata Peter H. Raven 1958-9-28 13735 Los Angeles Elysian Park Santa Monica Mountains 198 Comment
  UCR190269  Stipa lepida R. G. Swinney 2000-6-25 7792 Los Angeles San Gabriel Mtns., lower San Antonio Canyon, c. 70 m west of San Antonio Canyon Rd. and 80 m south of Shinn Rd. 793 Comment
  LA105375  Stipa miliacea Barry A. Prigge; 1989-4-23 8478 Los Angeles Santa Susana Mountains, Devil Canyon, 1.4 air mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 429 Comment
  UC2030045  Stipa parishii Louis C. Wheeler 1970-7-26 s.n. Los Angeles SAN GABRIEL MOUNTAINS: Summit Mt. hawkins. Comment
  UCR129931  Stipa speciosa Orlando Mistretta 1992-5-4 237 Los Angeles San Gabriel Mtns., San Gabriel Mountains, Little Rock Creek, Alimony Ridge 1463 Comment
  RSA587754  Streptanthella longirostris Timothy S. Ross 1991-4-27 4692 Los Angeles Mojave Desert: ca 0.85 mi W of Three Sisters and1.2 mi S of Black Butte. Bladed road heading N from Black Butte Basin Road x Avenue 'U' [not on 1968 topo], running northward to the W of BBB Rd for about 1.2 miles., Then rejoining it NW of Three Sisters. 944 Comment