Search Results — 2000 specimen records retrieved (1574 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCSB16207  Abies concolor Gerhart, Janet 1963-4-6 Los Angeles Vincent Gap, 6 mi. W of Big Pines on State Highway 2 1950 Comment
  SBBG131694  Abronia maritima S. A. Junak 1999-7-16 SCa 1059 Los Angeles behind beach at N side of Cottonwood Cyn mouth 3 Comment
  RSA126739  Abronia umbellata Peter H. Raven 1959-3-14 13858 Los Angeles just E of Zuma Beach, Point Dume 8 Comment
  SD148175  Acacia cyclops A. C. Sanders, D. Malueg 2001-5-17 24335 Los Angeles Los Angeles basin, Montebello Hills in Monetbello, near Howard Ave near West end of Jefferson 121 Comment
  RSA127782  Acer macrophyllum Peter H. Raven, Henry J. Thompson 1959-6-4 14352 Los Angeles Santa Monica Mountains. Topanga Canyon, in stream bottom. 1.1 miles north of United States Highway 101A. 91 Comment
  RSA700382  Acer macrophyllum Tim Thibault 2003-9-21 56 Los Angeles west side of Highway 2, 1.1 miles north of entry to Angeles National Forest 735 Comment
  SEINET3195234 Image available Acer macrophyllum Leila M. Shultz 1982-5-5 6064 Los Angeles Rancho Santa Ana Botanic garden, In Claremont, S of San Gabriel Mountains. 430 Comment
  SFV2164  Acer macrophyllum P. G. Kilburn 1957-11-7 542 Los Angeles SFV, Oat Mountain, north slope. Orcutt Ranch. Comment
  JEPS20083  Achillea millefolium Peter H. Raven with H. L. Wedberg 1957-6-15 10904 Los Angeles in Latigo Canyon ((0.8 mi n of US 101A)); Santa Monica Mountains Comment
  SBBG39586  Achillea millefolium E. R. Blakley 1963-4-7 5505 Los Angeles between Little Harbor and Cottonwood Crk 45 Comment
  UC891061  Achyrachaena mollis Marcus E. Jones, A. M. 1882-5-1 3213 Los Angeles Los Angeles Comment
  UCR270660  Acmispon americanus R. G. Swinney 2011-6-29 15326 Los Angeles San Gabriel Mountains, mouth of Monte Cristo Canyon, confluence with Mill Creek 1098 Comment
  SDSU4279  Acmispon argophyllus var. adsurgens R. M. Beauchamp 1967-6-4 566 Los Angeles San Clemente Island. Below 4th terrace above east side of Pyramid Cove. 274 Comment
  SBBG118130  Acmispon argophyllus var. argenteus P. A. Munz 1923-4-9 6611 Los Angeles San Clemente Island Comment
  SBBG38867  Acmispon argophyllus var. argenteus M. B. Dunkle 1939-4-5 7273 Los Angeles China Pt, Pyramid Cove [ISOTYPE: Lotus argophyllus var. argenteus] Comment
  UCD170828  Acmispon glaber var. brevialatus R. G. Swinney 2009-6-17 11175 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  CHSC8310  Acmispon strigosus Edward L. Smith 1957-5-23 171 Los Angeles Located in wash on Pomona College, Claremont. 365 Comment
  CAS-BOT-BC29198  Acourtia microcephala Alice Eastwood 1919-7-4 9291 Los Angeles Santa Monica Canyon, Los Angeles Comment
  UCR126711  Acourtia microcephala A. C. Sanders, Mark Elvin 2003-8-7 27149 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Long [Larres] Canyon, a tributary of the Santa Clara River NE of Potrero Canyon 351 Comment
  RSA639147  Acourtia microcephala Louis C. Wheeler 1973-7-15 s.n. Los Angeles San Gabriel Mountains: Doe Flat, Graveyard Canyon. Comment
  RSA682666  Adenostoma fasciculatum LeRoy Gross, Naomi S. Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1087 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
  UC12013  Adenostoma fasciculatum J. H. Barber 1897-6-26 194 Los Angeles Aliso Canyon Comment
  UCR200167  Adenostoma fasciculatum Valerie Soza, Laura A. Moore 2000-5-10 827 Los Angeles Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park 579 Comment
  RSA687717  Adiantum jordanii George B. Grant 1904-4-20 s.n. Los Angeles Santa Catalina Island. Comment
  SEINET3246126  Ageratina adenophora T. B. Salvato, Sandra Murcia 2007-1 2023 Los Angeles San Gabriel Mountains: Angeles National Forest, lower Santa Anita Canyon at the upper end of Santa Anita Reservoir. 411 Comment
  SD82926  Ageratina adenophora Robert F. Thorne, A. C. Gibson 1971-5-22 39758 Los Angeles San Gabriel Mountains, Angeles National Forest, Fish Canyon in moist gully near Falls. 395 Comment
  UCD128535  Ageratina adenophora T. C. Fuller 1958-5-9 s.n. Los Angeles Cheney Trail, Millard Canyon, above Altadena. Comment
  RSA595943  Agoseris grandiflora Steve Boyd, Mark Elvin, Victoria Jotikasthira 1996-6-25 8882 Los Angeles Liebre Mountains, west summit area of Liebre Mountain, southeast of the head of Cold Canyon, at the intersection of dirt track leading to the west summit knoll and 7N23. 1707 Comment
  RSA0093467  Agoseris retrorsa Richard 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. 1573 Comment
  RSA230661  Agoseris retrorsa R. F. Thorne, M. Z. Thorne 1969-7-10 38427 Los Angeles San Gabriel Mts; Angeles National Forest; 1.5 miles W of Wrightwood 1951 Comment
  RSA628820  Agoseris retrorsa Scott D. White, David E. Bramlet 1998-6-29 6810 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness; 4-mile closed section of Hwy. 39 from ca. 1.6 miles W of jctn. Crystal Lake access road to jct. Hwy 2. 1707 Comment
  RSA756907  Agropyron cristatum R. G. Swinney 2008-6-17 9030 Los Angeles 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1992 Comment
  UCR210124  Agrostis R. G. Swinney 2008-7-24 9351 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
  POM1143  Agrostis exarata I. M. Johnston 1917-8-23 1634 Los Angeles Prairie Fork of San Gabriel River. 2134 Comment
  SEINET10790176  Agrostis gigantea Joseph A. Ewan 1936-8-2 Ewan 9918 Los Angeles San Gabriel Mts. Rock pocket along living stream, fairly deep shade of alders. Mescal Creek. 1615 Comment
  RSA228908  Agrostis idahoensis R. F. Thorne 1971-8-25 41313 Los Angeles San Gabriel Mountains, Angeles National Forest: At Windy Spring on N slope of Mt. Islip. 2256 Comment
  RSA605022  Agrostis stolonifera L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1997 Comment
  UCR204035  Agrostis stolonifera R. G. Swinney 2001-9-16 8159 Los Angeles San Gabriel Mountains, 100 m east of Little Jimmy Spring Canyon, south Fork, south of Hwy 2, 0.6 mi due east of Mt. Islip and c. 2 mi north of Crystal Lake 2207 Comment
Read comments
May 11 2012
  RSA0086521  Agrostis verticillata Bonnie C. Templeton, G. R. Johnstone 1955-9-12 s.n. Los Angeles Near Mulholland Bridge at Cahuenga Pass. Comment
  UC1870309  Ailanthus altissima LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1028 Los Angeles [Transverse Ranges; Verdugo Mountains region]; South side of mountains:Along road across from Brand Canyon Debris Basin, at mouth of Brand Canyon. 262 Comment
  LA212439  Albizia lophantha Jack Pepper; 1953-2-11 s.n. Los Angeles Comment
  UCR217824  Alisma triviale Dan S. Cooper 2010-7-21 710- 89 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  SEINET8467152 Image available Allium fimbriatum var. fimbriatum James Henrickson 1973-5-12 9596 Los Angeles 6 air miles SE of Pearblossom, 4.6 road miles S of Llano in lower portion of Bob's Gap along 165 St 1234 Comment
  RSA252869  Allium lacunosum var. davisiae Robert F. Thorne 1973-5-11 43507 Los Angeles North of Shoemaker Canyon between Mile High and Valyermo. 1341 Comment
  RSA774267  Allium lacunosum var. davisiae R. G. Swinney 2009-6-8 11089 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR95749  Allium monticola L. C. Wheeler 1970-5-24 s.n. Los Angeles San Gabriel Mtns., Saddle between Mt. Markham and Mt. Lowe. 1616 Comment
  SBBG57513  Allium peninsulare M. N. Ackley -May-1924 626 Los Angeles Fish Cyn 2000 Comment
  RSA410055  Allophyllum divaricatum Anstruther Davidson 1889-08 1945 Los Angeles Los Angeles. Comment
Read comments
Dec 21 2020
  CDA40011  Allophyllum glutinosum T. C. Fuller 1962-4-1 8181 Los Angeles Bank of San Dimas Canyon wash, 1.6 miles north of Foothill Boulevard, San Dimas. 0 Comment
  SD69737  Allophyllum glutinosum Robert F. Thorne 1966-4-28 36229 Los Angeles Santa Catalina Island; west-facing rocky bank near upper end Renton Mine road in Pebbly Beach Canyon. 259 Comment
  RSA299417  Alnus rhombifolia Joseph A. Ewan 1934-8-5 8458 Los Angeles Praire Fork of San Gabriel River. 1616 Comment
  UCR104745  Alnus rhombifolia David Charlton 1989-4-30 2999 Los Angeles San Gabriel Mtns., George's Gap, Angeles Crest Highway, approximately 10 miles north of the southern boundary of the Angeles National Forest, c. 1 mi. (airline) NW of Switzer Camp. 1159 Comment
  UCR150451  Alnus rhombifolia R. G. Swinney 1999-6-21 7357 Los Angeles San Gabriel Mtns., spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  PASA2648  Alyssum maritimum A. Carter 1928-12-29 Los Angeles Sierra Madre Comment
  SD215363  Amaranthus albus Timothy S. Ross, Steve Boyd 1990-6-18 3511 Los Angeles Ball Flat: 1500 meters due North of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages 1743 Comment
  UCD97220  Amaranthus caudatus Mrs. Vail 1974-12-3 - 1034 Los Angeles Volunteer; Mobile Manor (4241 Live Oak St.), Arcadia. Comment
  UC468990  Amblyopappus pusillus F. M. Reed 1909-7-6 2851 Los Angeles at, (at Salt runs) Salt runs; Catalina Island 0 Comment
  RSA0108867  Amblyopappus pusillus Steven A. Junak 1998-6-13 SCa- 740 Los Angeles Santa Catalina Island: Coastal slopes just W of beach at Little Harbor. 48 Comment
  RSA416878  Amblyopappus pusillus Larry E. DeBuhr, Gary D. Wallace 1972-9-2 693 Los Angeles San Clemente Island: base of canyon 1.5 miles north of Eel Point. 30 Comment
  RSA533958  Amblyopappus pusillus Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5197 Los Angeles San Clemente Island: 1300ft NNW of Guds (888') marker. 241 Comment
  SEINET4001594 Image available Amblyopappus pusillus M. B. Dunkle 1940-1 7434 Los Angeles Santa Barbara Island. Comment
  RSA746549  Ambrosia acanthicarpa A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37031 Los Angeles San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 92 Comment
  RSA755996  Ambrosia acanthicarpa R. G. Swinney 2008-10-7 9463 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 Comment
  CDA43108  Ambrosia acanthicarpa David J. Keil 1986-9-27 19741 -2 Los Angeles NW Los Angeles County, along I-5, just south of Hungry Valley Road exit, roadside pullout. Comment
  POM14308  Ambrosia acanthicarpa Philip A. Munz 1922-10-15 6545 Los Angeles Claremont. 366 Comment
  UCD128864  Ambrosia acanthicarpa J. B. Perret 1921-11-22 s.n. Los Angeles San Fernando. Comment
  UC53916  Ambrosia chamissonis Ernest Braunton 1902-5-1 311 Los Angeles Redondo Comment
  RSA416985  Ambrosia psilostachya F. R. Fosberg 1930-6-23 s- 2959 Los Angeles Del Rey 2 Comment
  CAS-BOT-BC272930  Ambrosia salsola A. C. Sanders; D. Malueg; K. D. Jones 1998-6-22 21991 Los Angeles San Gabriel Mtns.: Soledad Pass area at N foot of mtns, ca. 5 mi. SW of Palmdale, along SCE Mesa-Vincent power line at pole 18-03, just S of Vincent Substation 1000 Comment
  SD69036  Ammannia robusta Robert F. Thorne 1966-9-16 36710 Los Angeles Santa Catalina Island, margin of reservoir at Hay Press 410 Comment
  CAS-BOT-BC180637  Amorpha californica var. californica Timothy S. Ross; Steve Boyd 1995-6-28 8644 Los Angeles Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon - Liebre Mountains 737 Comment
  RSA91343  Amorpha californica var. californica F. W. Peirson 85 Los Angeles Near Kewen Lake, Pasadena Comment
Read comments
Oct 21 2014
  SDSU4890  Amsinckia intermedia A. H. Gallup 1948-4-26 145 Los Angeles The Wash, Claremont. 366 Comment
  LA40185  Amsinckia menziesii var. menziesii Robert G. Engman; sn Los Angeles Santa Monica Mountains, UCLA campus 60 Comment
  RSA0091277  Amsinckia spectabilis F. W. Peirson s.n. Los Angeles Ballona. Comment
  UCR214045  Amsinckia tessellata var. gloriosa A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37960 Los Angeles Tehachapi Mountains, Crane Canyon, 1.0 mi. SE (144 deg. ) of Castac Lake, 1.7 mi. NE (43 deg. ) of Gorman, just S of Kern Co. line 1189 Comment
  RSA339698  Amsinckia tessellata var. tessellata R. F. Thorne, Walter Wisura, S. Granger, Pamela Burton 1982-4-20 55003 Los Angeles San Gabriel Mts: : Slopes above Little Rock Creek below dams 975 Comment
  RSA598943  Amsinckia tessellata var. tessellata Steve Boyd, Timothy S. Ross 1997-3-21 9192 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  HSC17840  Anagallis arvensis C. S. Apperson 21 Jun [year missing] Los Angeles Newhall Ranger Station Comment
  RSA483719  Anagallis arvensis Richard Noyes, L. Arnseth 1988-4-30 513 Los Angeles Claremont; 100 meters east of Thompson Creek Dam 500 Comment
  RSA592222  Anagallis arvensis Louis C. Wheeler 1967-4-30 9229 Los Angeles Limekiln Canyon 564 Comment
  RSA654410  Anagallis arvensis Matt Brooks 1988-5-12 61 Los Angeles Whittier, Turnbull Canyon Rd. 0.5 miles east of its intersection with Beverly Blvd. Comment
  UCR95744  Ancistrocarphus filagineus Steve Boyd, O. Mistretta, J. Dolan 1996-4-18 8548 Los Angeles Liebre Mtns., upper Osito Canyon between Interstate 5 and Old Ridge Route 854 Comment
  CATA102  Anthemis cotula Peter Henrikson 1987-4-23 76 Los Angeles Santa Catalina Island: Behind Ben Weston Beach 6 Comment
  JEPS13151  Anthemis cotula Elizabeth Day Palmer 1908-7-26 Los Angeles Los Angeles Comment
  UC1605246  Anthriscus caucalis Tim Ross and Steve Boyd 1991-4-25 4592 Los Angeles lower Graveyard Canyon ((which joins the East Fork of the San Gabriel River at ca 1540 ft elev)); San Gabriel Mountains, Glendora 7.5' U.S.G.S. quad. 536 Comment
  RSA598378  Antirrhinum coulterianum Louis C. Wheeler 1967-5-24 9761 Los Angeles Indian Canyon, near mouth 701 Comment
  UC986848  Antirrhinum coulterianum Bonnie C. Templeton 1944-6-11 6289 Los Angeles between Calabasas Peak and Dry Canyon (Calabasas); Santa Monica Mountains, Calabasas 457 Comment
  UCR131604  Antirrhinum multiflorum L. C. Wheeler 1932-5-25 757 Los Angeles Western Transverse Range; Santa Monica Mtns., head of Sepulveda Canyon 366 Comment
  JEPS83380  Antirrhinum nuttallianum subsp. subsessile David M. Thompson 1983-5-14 308 Los Angeles 0.5 air mi nw tip of Point Dume (Point Dume, Westward Beach, ravine behind beach, which is directly behine the lifeguard and beach buildings, only about 10-20 ft up ravine); Point Dume, Point Dume Quad. (7.5', 1951) 6 Comment
  SD115059  Aphyllon californicum subsp. feudgei W. P. Armstrong 1983-8-1 1158 Los Angeles San Gabriel Mountains; Blue Ridge Road 0.5 mile east of Guffy Campground. 2377 Comment
  IRVC27961  Apiastrum angustifolium A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26123 Los Angeles Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam Western San Gabriel Mtns. 488 Comment
  LA200139  Apiastrum angustifolium O. H. Kappler; 1941-4-6 179 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  SBBG94255  Apiastrum angustifolium C. B. Wolf 1932-5-12 3585 Los Angeles 1.5 mi from Little Harbor on rd to isthmus 91 Comment
  SFV2576  Apiastrum angustifolium M. L. Vincent 1963-5-7 335 Los Angeles Santa Susana Mountains Santa Susana Pass Road. 0.5 miles east of Ventura County line near top of the pass. 0.5 miles off the main road on a path. 489 Comment
  UCR207701  Apiastrum angustifolium Justin M. Wood 2009-4-2 463 Los Angeles city of Claremont; Bernard Field Station, northwest corner of Mills Ave. and Foothill Blvd. 421 Comment
  UCSB4556  Apiastrum angustifolium Wedberg, H. 1957-6-15 Los Angeles Latigo Canyon Comment
  RSA191344  Apocynum cannabinum R. F. Thorne, M. Z. Thorne 1967-7-19 37127 Los Angeles San Gabriel Mountains, Angeles National Forest: Yucca Flats Summer Home Tract at upper end of Canyon of N Fork of San Gabriel River 1250 Comment
  SBBG98272  Aptenia cordifolia A. C. Sanders 1987-12-4 7448 Los Angeles El Segundo dunes, immediately W of LA International Airport & Pershing Drive, E of Vista Del Mar Blvd 30 Comment
  RSA729432  Aquilegia formosa R. G. Swinney 1998-7-14 6425 Los Angeles Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine. Spring and meadow surrounded by montane coniferous forest; area burned in summer 1997. 2195 Comment
  UCR138510  Aquilegia formosa L. C. Wheeler 1970-6-26 s.n. Los Angeles San Gabriel Mountains, Fish Fork 1098 Comment
  RSA733083  Arabis pulchra var. pulchra R. G. Swinney 2001-4-18 7900 Los Angeles Mojave Desert: Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road. 1244 Comment
  UCR219409  Arabis sparsiflora R. G. Swinney 2009-4-1 10240 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Canyon, Monrovia Mountain Park 415 Comment
  RSA612293  Arbutus menziesii L. C. Wheeler 1968-10-5 s.n. Los Angeles San Gabriel Mountains: Rincon Canyon at Pine Mt. Truck Trail. 731 Comment
  CAS-BOT-BC407750  Arceuthobium abietinum James R. Shevock 1976-4-24 5015 Los Angeles along Big Pines Hwy. in the vicinity of Apple Tree Campground, San Gabriel Mountains, Angeles National Forest 1524 Comment
  POM2150  Arceuthobium campylopodum I. M. Johnston 1917-8-22 1720 Los Angeles Prairie Fork of San Gabriel River. 1982 Comment
  RSA188067  Arctostaphylos catalinae R. F. Thorne 1966-4-29 36318 Los Angeles Santa Catalina Island: below road to White's Landing above turn-off to Echo Lake. 411 Comment
  SBBG47520  Arctostaphylos catalinae M. B. Dunkle 1929-2-10 2048 Los Angeles Bullrush Cyn Comment
  RSA641310  Arctostaphylos gabrielensis Orlando Mistretta, Mark Elvin 1995-3-30 1584 Los Angeles San Gabriel Mountains: Mill Creek Summit; on summit just west of Angeles Forest Highway on Pacific Crest Trail. Comment
  RSA629071  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Allen Massihi 1992-8-20 20362 Los Angeles Road to Mt. Gleason, 3.7 km west of Mill Creek Summit, San Gabriel Mtns. 1665 Comment
  RSA589241  Arctostaphylos glandulosa subsp. mollis T. S. Ross 1990-6-8 2905 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
  RSA626687  Arctostaphylos glandulosa subsp. mollis Allen Massihi, Jon E. Keeley 1992-7-27 15730 Los Angeles Santa Clara Divide Road (3N17), 8-10 km off Sand Canyon Rd. San Gabriel Mtns. 1000 Comment
  CAS-BOT-BC39336  Arctostaphylos glauca LeRoy Abrams 1901-4-7 1421 Los Angeles La Canada Comment
  OBI14727  Arctostaphylos glauca Robert J. Rodin 1953-5-17 5831 Los Angeles Near main hwy about 3 mi S of Gorman Comment
  POM3284  Arctostaphylos glauca L. R. Abrams 1901-4-8 s.n. Los Angeles Pasadena Comment
  RSA229042  Arctostaphylos glauca R. F. Thorne 1971-6-30 40838 Los Angeles San Gabriel Mts., Angeles National Forest: 1.6 miles above Little Sycamore Campground along Little Rock Creek 1280 Comment
  RSA631422  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15983 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA631527  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15992 Los Angeles Hughes Lake Road, south of Cottonwood Campground. 800 Comment
  RSA631535  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16051 Los Angeles Whitaker Peak, northwestern San Gabriel Mountains. Comment
  SDSU1500  Arctostaphylos glauca A. H. Gallup 1949-3-16 333 Los Angeles 'The Wash,' Claremont. 366 Comment
  RSA634758  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22017 Los Angeles Dirt road between Chilao and Mill Creek Summit, 2.7 km E of turnoff to Pacifico Mtn., San Gabriel Mtns. 1825 Comment
  RSA634860  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20545 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA635060  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20360 Los Angeles Road to Mt. Gleason, 9 km west of Mill Creek Summit, San Gabriel Mtns. 1730 Comment
  RSA635112  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20418 Los Angeles Road to Sulphur Springs Campground, 0.2 km north of dirt road to Pacifico Mtn., north of Chilao, San Gabriel Mtns. 1650 Comment
  RSA635182  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20474 Los Angeles N of Angeles Crest Hwy, on road to Sulphur Springs, N of Chilao., San Gabriel Mtns. 1200 Comment
  RSA635184  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20592 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.7 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1680 Comment
  RSA250396  Arctostaphylos patula R. F. Thorne 1967-10-3 37292 Los Angeles Mt. Baden Powell, just south of peak 2851 Comment
  RSA729316  Arctostaphylos patula R. G. Swinney 1998-7-2 6227 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  UCR205221  Arctostaphylos patula R. G. Swinney 2005-8-26 8531 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, peak 6374, c. 1/2 mi. SW of Devils Chair 1943 Comment
  UCR223701  Arctostaphylos patula R. G. Swinney 2009-6-24 11247 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  UCR101514  Arenaria macradenia var. arcuifolia Steve Boyd, Laura Moore, M. Wall 1997-7-24 10024 Los Angeles Liebre Mountian Region, Sumit of Liebre MOuntain, saddle at head of N Fork Fish Canyon, north of Atmore Meadows and south of Oak Flat, along FS Rd. 7N23, 4.2 mi west of jct with 7N08. 1720 Comment
  UC1595373  Arenaria macradenia var. arcuifolia Tim Ross 1992-7-16 6701 Los Angeles ridgeline between Iron Mtn Condor Peak (NW spur of 5162'); San Gabriel Mountains 1524 Comment
  UCR101512  Arenaria macradenia var. kuschei Steve Boyd, T. S. Ross, Laura A. Moore, Valerie Soza 1997-7-8 10012 Los Angeles San Gabriel Mtns., Upper N flank of Liebre Mountain at head of Tenrock Canyon along dirt track near FS wildlife drinker site 1585 Comment
  UCR95353  Aristida adscensionis T. S. Ross, Gary Allan, Mark Elvin 1995-5-21 8597 Los Angeles Channel Islands, San Clemente Island, near head of Chenetti Canyon, just SW of the W prong of the trident formed at the top of the longest tributary; 1330 ft. SSE of Rest triangulation point (1336 ft.) 361 Comment
  CAS-BOT-BC146300  Aristida ternipes var. gentilis G. B. Grant 1901-3-9 941 Los Angeles Altadena. Comment
  UC60159  Aristida ternipes var. hamulosa J. Burtt Davy 1901-1-25 Los Angeles Saugus Comment
  RSA417237  Artemisia californica Larry E. DeBuhr, Gary D. Wallace 1972-9-3 713 Los Angeles San Clemente Island. Horse Canyon west of Thirst Pk. 488 Comment
  RSA417243  Artemisia californica Ora M. Clark 1928-12-2 1320 Los Angeles N.E of Hollywood. Comment
  RSA609009  Artemisia californica L. C. Wheeler 1931-1 s.n. Los Angeles San Dimas: Puddingstone. Comment
  UCR143127  Artemisia californica Louis Greata 1900-9-2 s.n. Los Angeles Southern Coast, near Inglewood 61 Comment
  UCR157922  Artemisia californica Robert J. Steers 2005-5-8 15 Los Angeles South Coast, Palos Verdes Peninsula: on primarily south-facing hillside that is 200 ft west of Pirate Dr. along the north side of Forrestal Dr 183 Comment
  LA31679  Artemisia douglasiana Peter H. Raven; Henry J. Thompson 1959-9-6 14380 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek, near mouth. 12 Comment
  UCSB23175  Artemisia douglasiana McMinn, Howard 1924-7-12 Los Angeles Near Whittier, Calif. Comment
  UCR133736  Artemisia dracunculus F. R. Fosberg 1931-7-11 S- 5384 Los Angeles Channel Islands, Cape Canyon, Santa Catalina Island 230 Comment
  RSA180087  Artemisia nesiotica Peter H. Raven 1962-4-10 17190 A Los Angeles Above Wilson Cove. San Clemente Island. 107 Comment
  RSA239442  Artemisia nesiotica E. R. Blakley 1961-4-12 4082 Los Angeles San Clemente Island: small canyon southeast of triangulation point 'Port' (outlet from camp waste water) 106 Comment
  SBBG7635  Artemisia tridentata J. M. Tucker 1946-10-18 1468 Los Angeles vicinity of US Hwy 99, ca. 3 mi S of Lebec 1219 Comment
  UC54010  Artemisia tridentata subsp. parishii S. B. Parish 1881-11-1 1065 Los Angeles Newhall; ; Newhall, Los Angeles Co. Comment
  UC1119474  Artemisia tridentata subsp. tridentata H. A. Jensen 1933-6-1 324 Los Angeles head of Rock Creek; Angeles National Forest, Rock Creek Quadrangle Comment
  RSA0059643  Arthrocnemum subterminale R. F. Thorne 1973-09 44717 Los Angeles Santa Catalina Island, small salina at base of Ballast Pt. in Catalina Harbor. Comment
  SDSU750  Arundo donax A. H. Gallup 1949-2-21 311 Los Angeles Lasca, north end of meadow. Pacific Slope 152 Comment
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Apr 29 2015
  SEINET10637450  Asclepias albicans Sphon 1959-3-31 SPHON 269 Los Angeles 10.0 miles south of HWY 78, San Diego County Comment
  SEINET210834  Asclepias californica R. F. Thorne, M. Z. Thorne 1969-7-10 38376 Los Angeles San Gabriel Mts., Angeles National Forest, slope N of Jackson Lake. 1859 Comment
  RSA0084937  Asclepias fascicularis R. G. Swinney 2010-9-13 13806 Los Angeles Crystal Lake, within 100 m of shoreline. 1683 Comment
  SJSU13466  Asclepias fascicularis C. W. Sharsmith 1940-8-29 4229 Los Angeles head of Eaton Canyon, San Gabriel Mts 1371 Comment
  UCSB4934  Asclepias fascicularis Kamb, Peter 1947-6-1 Los Angeles Red Box Gap, San Gabriel Mts.; upper Sonoran Zone 1402 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
  UC61201  Aspidotis californica Harley P. Chandler 1897-4-12 Los Angeles Palmer's Canyon Claremont 731 Comment
  RSA686321  Aspidotis californica George B. Grant 1903-1 s.n. Los Angeles Santa Monica Range Comment
  RSA417665  Aster greatae Freda Detmers 1928-9-30 s.n. Los Angeles San Gabriel Canyon Comment
  RSA93793  Aster hesperius F. W. Peirson 1919-11-7 1279 Los Angeles Rio Hondo Comment
  RSA0048575  Astragalus antisellii A. Lee Haines 1964-5-8 s.n. Los Angeles Woodland Hills. 304 Comment
  RSA670635  Astragalus bicristatus B. C. Templeton 1932-5-31 4854 Los Angeles West Blue Ridge, Big Pines Camp. Comment
  UCR186849  Astragalus brauntonii Naomi Fraga, Janell Cassianni, T. Thibault 2006-5-10 1679 Los Angeles Western Transverse Range; Santa Monica Mtns., open fuel break near trail edge on Temescal Ridge 305 Comment
  SEINET6042753  Astragalus didymocarpus Unknown Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  CAS-BOT-BC182296  Astragalus didymocarpus var. didymocarpus W. R. Shaw 1901-4-2 573 Los Angeles Puente Hills 365 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
  POM11398  Astragalus douglasii var. douglasii P. A. Munz 1921-6-17 4572 Los Angeles Swartout Valley. 2134 Comment
  RSA646287  Astragalus douglasii var. douglasii Orlando Mistretta 1992-9-14 s.n. Los Angeles San Gabriel Mountains: North Fork Saddle. Tujunga Ranger District. Comment
  SBBG20914  Astragalus filipes E. C. Twisselmann 1964-6-10 9624 Los Angeles Old Hwy 99, 0.5 mi NW of Gorman 1188 Comment
  RSA709834  Astragalus gambelianus A. C. Sanders 2003-4-17 26066 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, ca. 1 km south of Magic Mountain amusement park and north of the powerlines. 10 Comment
  CAS-BOT-BC187570  Astragalus miguelensis Francis H. Elmore 1939-11-24 s.n. Los Angeles Northwest Harbor, San Clemente Island Comment
  UC1215121  Astragalus miguelensis Peter H. Raven 1962-7-11 18012 Los Angeles Wilson Cove San Clemente Island, Wilson Cove (on open grassy slopes, San Clemente Island) 60 Comment
  RSA659826  Astragalus nevinii Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-4 121 Los Angeles San Clemente Island. Comment
  UCR65530  Astragalus nevinii Aaron Liston, Orlando Mistretta, L. Rieseberg 1989-4-29 801- 01 Los Angeles South Channel Islands, San Clemente Island, main dune area at Darter Road. NW part of island Comment
  RSA600727  Astragalus pachypus var. pachypus L. C. Wheeler 1955-4-17 7140 Los Angeles San Gabriel Mountains: Cima Mesa. Comment
  UC56521  Astragalus pycnostachyus var. lanosissimus Ernest Braunton Sept 1902 682 Los Angeles Ballona Slough Comment
  UCD105445  Astragalus trichopodus R. Kinmont; Jill Farris 1997-2-14 6 Los Angeles Sycamore Canyon, off of Pacific Coast Highway, Santa Monica Mountains, north of Malibu, near entrance to mountain biking trail, the ocean on the opposite side of Pacific Coast Highway. Comment
  HSC14542  Astragalus trichopodus var. phoxus David Porter 1965-4-29 Los Angeles .5 mi. N of Topanga Canyon, Santa Monica Mtn. 412 Comment
  LA82169  Astragalus trichopodus var. phoxus O. H. Kappler; 1945-3-25 730 Los Angeles Santa Monica Mountains, Cold Creek, Monte Nido, N slope 182 Comment
  RSA615560  Astragalus trichopodus var. phoxus LeRoy Gross 1998-5-15 18 Los Angeles San Gabriel Mtns: Big Tujunga Wash. East of 210 freeway ,west of Big Tujunga Canyon Road. 365 Comment
  UCR238096  Astragalus trichopodus var. phoxus Mark A. Elvin, Scott Boczkiewicz 2003-5-15 2784 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
  UC1980255  Atriplex amnicola R. E. Riefner Jr. 2006-7-8 06 -289 Los Angeles City of Malibu, Malibu Lagoon at Pacific Coast Hwy. Comment
  RSA155858  Atriplex argentea P. H. Raven 1962-7-12 18021 Los Angeles Near point at east end or Northwest Harbor, San Clemente Island 30 Comment
  SEINET4135182  Atriplex lentiformis Grant D. Brown 1950-11-24 570 Los Angeles 6 miles W of Topanga Canyon at base of coastal bluff ( just SE of Malibu Creek).; 0 Comment
  SBBG77608  Atriplex lentiformis subsp. breweri E. Z. Rett, P. C. Orr 1945-4-10 Los Angeles San Clemente Island Comment
  UCR188676  Atriplex lentiformis subsp. breweri Tim Searl 2007-10-15 151007- 02 Los Angeles South Coast, Malibu Lagoon near 'Malibu Colony' along state park access road, just above water line; west of highway and north of Malibu Creek 1 Comment
  RSA713910  Atriplex lentiformis subsp. lentiformis R. E. Riefner 2006-7-29 6 -328 Los Angeles Torrance, Victoria Park, Dominguez Channel, vicinity of Del Amo Blvd. and Carson Plaza Dr. 9 Comment
  UC217446  Atriplex nummularia S. B. Parish 1918-6-5 11871 Los Angeles Seacoast bluffs Playa del Rey (Southern California) Comment
  UCR229516  Atriplex prostrata Jeremiah George 2011-8-18 s.n. Los Angeles South Coast, Wilmington, NE corner of intersection of Pacific Coast Hwy and Terminal Island (103) Fwy 3 Comment
  POM18432  Atriplex semibaccata P. A. Munz 1923-4-12 6783 Los Angeles San Clemente Island: Wilson s Cove. Comment
  RSA600987  Atriplex semibaccata L. C. Wheeler 1967-6-26 9907 Los Angeles San Gabriel Mountains : Placerita Canyon. 548 Comment
  RSA12651  Atriplex serenana C. B. Wolf 1934-8-16 6047 Los Angeles Bryant Ranch east of Long Beach., T4S R12W. 300 ft east of center of sect. 34 & 100 ft. so. of no. line of same 4 Comment
  CAS-BOT-BC176588  Atriplex serenana var. davidsonii E. Braunton 1902-4-27 s.n. Los Angeles Temple St., Los Angeles Comment
  UC205293  Atriplex serenana var. davidsonii Ernest Braunton Sept 1902 680 Los Angeles Los Angeles Comment
  UCR162595  Atriplex serenana var. serenana Anuja Parikh, Nathan Gale 2004-6-26 2071 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 14), near the Ventura County line, south of the river downstream of Potrero Canyon & Mayo Spur 335 Comment
  RSA453973  Atriplex watsonii Anstruther Davidson 1896-10 2940 Los Angeles San Pedro. Comment
  RSA534124  Atriplex watsonii T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5088 Los Angeles San Clemente Island, west Cove, SW of the new landing field 6 Comment
  RSA670752  Avena barbata Joseph M. Keefe 2001-3-19 31167 Los Angeles San Rafael Mountains. 3 meters north of Glenoaks Boulevard, 100 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles west of Harvey Drive; Glendale, CA 91208., 34 deg 09'42.2 North, 118 deg 11'42.5 West. 470 Comment
  UCR186899  Avena fatua A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32045 Los Angeles Tehachapi Mtns. Foothills, west end of Antelope Valley, north of Hwy 138 near mouth of Tentrock Canyon, c. 1 mile NW of La Liebre Ranch (High Desert Hunt Club) buildings 945 Comment
  POM350353  Baccharis salicifolia D. A. Young 1969-3-10 435 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
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Aug 12 2014
  RSA591992  Baccharis salicifolia Mark Hoefs 1973-6-5 341 Los Angeles Santa Catalina Island. Lower Cottonwood Canyon. 23 Comment
  SFV3744  Baccharis salicifolia M. L. Vincent 1962-10-4 300 Los Angeles San Gabriel Mountains Lost Canyon Road, 0.25 miles north of Sand Canyon. Beside dry stream bed. 475 Comment
  CAS-BOT-BC16440  Barbarea orthoceras Joseph Andorfer Ewan 1936-7-22 9798 Los Angeles San Gabriel Mountains. Big Pines Meadow. 2072 Comment
  PASA386  Barbarea vulgaris Frank W. Peirson 1922-7-5 Los Angeles Big Pines Camp, San Gabriel Mts. 2072 Comment
  RSA36193  Bassia hyssopifolia R. F. Thorne 1966-4-28 36193 Los Angeles Santa Catalina Island. Roadside near high school, Avalon. 30 Comment
  CAS-BOT-BC75747  Berberis nevinii Carl B. Wolf 1927-7-27 682 Los Angeles About one-half mile south of San Fernando. Comment
  RSA594466  Berula erecta Steve Boyd, Lauren Raz 1996-9-24 8942 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 915 Comment
  RSA188924  Beta macrocarpa R. F. Thorne, P. C. Everett 1965-6-23 34953 Los Angeles Santa Catalina Island. Ben Weston Beach, west side of island. Comment
  UC134708  Bidens laevis C. F. Baker 1903-10-1 3727 Los Angeles Pomona Comment
  CAS-BOT-BC101996  Bidens pilosa John Thomas Howell 1927-6-30 2631 Los Angeles Hills at eastern city limits of Long Beach 30 Comment
  RSA92404  Bidens pilosa Joseph A. Ewan 1931-5-11 s.n. Los Angeles Throughly naturalized in vacant lot Ocean View Street. Comment
  UCD129559  Bidens pilosa H. F. Copeland 1927-12-28 s.n. Los Angeles Grounds of Huntington Estate near Los Angeles. Comment
  LA200167  Bidens pilosa var. pilosa Jonathan Sauer; H. Mielke 1971-11-16 5002 Los Angeles Santa Monica Mountains, Temescal Canyon, upper, Beside path. Upper canyon Comment
  LA21890  Bloomeria crocea A. Handsheigel; June 1925 sn Los Angeles 259 Comment
  UC905455  Bloomeria crocea I. W. Clokey and E. G. Anderson 1935-5-9 6871 Los Angeles s Puddington Reservoir Comment
  UCR280514  Bloomeria crocea var. crocea R. G. Swinney 2014-5-13 16505 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
  RSA482649  Boechera californica Samuel R. Tyson 1942-4-24 s.n. Los Angeles San Dimas Canyon Comment
  CAS-BOT-BC14586  Boechera pulchra Timothy S. Ross; Steve Boyd 1994-6-23 8025 Los Angeles Liebre Mountains. Sawmill Mountain. 5514 foot summit and immediately adjacent slopes. 1680 Comment
  SEINET7547791 Image available Bolboschoenus robustus Dick Swinney 1992-9-17 1919 Los Angeles San Gabriel Mountains, Glendora, Big Dalton Canyon, Debris Basin. Comment
  UCR143327  Bothriochloa barbinodis Albert J. Perkins 1920-2-16 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Glendora, Little Dalton Trail 488 Comment
  SEINET11941934  Bougainvillea glabra J. Bright, Wyman, C. 1931-1 5700 Los Angeles Hollywood Comment
  CHSC95871  Bowlesia incana LeRoy Gross 2001-5-6 385 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
  IRVC26858  Bowlesia incana Reid Moran 1941-2-17 576 A Los Angeles Middle Ranch, Santa Catalina Island. 500 Comment
  RSA592375  Bowlesia incana Mark Hoefs 1974-3-28 419 Los Angeles Santa Catalina Island: in upper Bullrush Canyon 251 Comment
  UC73342  Bowlesia incana Geo. B. Grant Feb. 1903 110 Los Angeles Lincoln Park; Southern California, Lincoln Park Comment
  RSA527650  Bowlesia incana Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4371 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  UCR223522  Brassica geniculata R. G. Swinney 2009-6-17 11226 Los Angeles Transverse Range; San Gabriel Mtns., Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  RSA482927  Brassica rapa E. S. Spalding 1923-2-7 s.n. Los Angeles Eagle Rock. Comment
  JEPS31112  Brickellia californica Ernest C. Twisselmann 1961-10-31 6676 Los Angeles Pine Canyon at Pine Canyon Guard Station Pine Canyon 1066 Comment
  LA203093  Brickellia californica A. M. Johnson; 1927-10-21 12 Los Angeles E of Palmdale Comment
  RSA0105489  Brickellia californica R. G. Swinney 2011-11-3 15992 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, First Water, 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre. 622 Comment
  SBBG95459  Brickellia californica M. B. Dunkle 1928-10-17 2022 Los Angeles Howland's Comment
  UC75416  Brickellia californica C. F. Baker 1903-8-2 3696 Los Angeles near Claremont; San Antonio Canyon Comment
  UCR119834  Brickellia californica Jeremiah George 2001-7-20 s.n. Los Angeles South Coastal Plains Region, Palos Verdes Peninsula, Rancho Palos Verdes, Forrestal Quarry, open space north of Forrestal Dr. near the boundary with Rolling Hills 244 Comment
  UCR271210  Brickellia californica R. G. Swinney 2011-11-1 15962 Los Angeles San Gabriel Mountains, confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 671 Comment
  SEINET7379428 Image available Brickellia californica E. Braunton 730 Los Angeles Sherman Comment
  RSA164855  Brickellia microphylla Wesley O. Griesel 1962-9-14 739 Los Angeles Hwy 2, Between Islip Saddle and Dawson Saddle 2133 Comment
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Feb 7 2008
  RSA314058  Briza maxima C. W. Tilforth 1983-6-21 2225 Los Angeles Along east wall of potting shed, RSABG, Claremont Comment
  IRVC26367  Bromus carinatus A. C. Sanders, Mark A. Elvin 2003-4-16 26044 Los Angeles Newhall Ranch, near confluence of Castaic Creek and Hasley Canyon Santa Clara River watershed 305 Comment
  POM50852  Bromus carinatus Le Roy Abrams 1901-04 s.n. Los Angeles San Fernando Mts. 762 Comment
  RSA0112845  Bromus carinatus Steven A. Junak 1999-5-8 SCa- 918 Los Angeles Santa Catalina Island. Fern Canyon, Cottonwood Canyon watershed, just upstream from fenceline. Comment
  CAS-BOT-BC149578  Bromus carinatus var. carinatus I. M. Johnston 1917-6-15 1295 Los Angeles San Antonio Mountains. San Antonio Canyon (Spring Hill). 1295 Comment
  UC1137107  Bromus carinatus var. carinatus August L. Hormay 1932-7-30 Los Angeles vicinity of Los Angeles Comment
  POM112740  Bromus diandrus George B. Grant 1903-04 127 a Los Angeles Pasadena. Comment
  RSA607460  Bromus diandrus L. C. Wheeler 1973-6-8 s.n. Los Angeles Los Angeles: SE of Alameda St. & San Diego Fwy, between Sepulveda & 233rd St.. [L. A. Harbor Dept., Classification Yard, E of Domiguez Flood Control Channel.] Comment
  POM363878  Bromus grandis Robert M. Perkins 1936-3-22 105 Los Angeles [Los Angles? Pico and La Brea] Comment
  RSA757063  Bromus grandis R. G. Swinney 2008-6-18 9063 Los Angeles Juniper Hills, 1.5 miles SW of Cruthers Creek bottom, Burkhart Trail 1744 Comment
  LA35611  Bromus hordeaceus A. K. Khudairi; 1951-5-16 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon Comment
  UC816190  Bromus hordeaceus Geo. B. Grant April, 1901 3840 Los Angeles Southern California Comment
  UC1586184  Bromus inermis subsp. inermis Tim Ross 1991-8-16 5846 Los Angeles San Gabriel Mountains, Horse Flats Horse Flats; San Gabriel Mountains, Horse Flats 1719 Comment
  UCR273761  Bromus madritensis R. G. Swinney 2011-5-10 14635 A Los Angeles San Gabriel Mountains, Angeles Natl. Forest, 'Manzanita Mt.', at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center 629 Comment
  RSA483706  Bromus madritensis subsp. madritensis Richard Noyes, L. Arnseth 1988-4-30 524 Los Angeles Claremont; 100 meters east of Thompson Creek Dam 500 Comment
  LA13827  Bromus madritensis subsp. rubens Carl Epling; 1925-4-18 6766 Los Angeles Santa Monica Mountains, Griffith Park Comment
  CAS-BOT-BC27837  Bromus pseudolaevipes Harvey Keith Wagnon 1948-6-2 1507 Los Angeles along the Ridge Route W of Castaic Comment
  UCD59563  Bromus rubens J. Warren 1952-5-15 s.n. Los Angeles Mulholland Drive. 457 Comment
  UCD59863  Bromus tectorum Daryl Koutnik 1978-3-23 132 Los Angeles North side of State Hwy. 18 and just west of Llano. 975 Comment
  UCR264748  Bromus trinii Steve Boyd, Gary D. Wallace 2011-4-14 12308 Los Angeles Transverse Ranges; Liebre / San Gabriel Mountains region, Acton Wash ca. 3 km east of junction of Soledad Canyon Road and Crown Valley Road. 829 Comment
  UC1922752  Calandrinia breweri Valerie L. Soza, Laura Moore 2000-5-10 870 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines to peak ''1936''. Near 34deg 14' 22.9'' N 118deg 18' .7'' W T2N R14W NE/4, SW/4 sec. 24. Comment
  UC851918  Calandrinia ciliata Louis C. Wheeler 1932-3-12 486 Los Angeles La Verne 304 Comment
  RSA177739  Calandrinia maritima R. F. Thorne, Percy C. Everett 1965-5-11 34586 Los Angeles Little Harbor, Santa Catalina [Island] Comment
  UCR258510  Calocedrus decurrens R. G. Swinney 2010-9-13 13810 Los Angeles San Gabriel Mountains, Crystal Lake, within 100 m of shoreline 1691 Comment
  RSA369075  Calochortus Albert J. Perkins 1926-5-10 s.n. Los Angeles Victorville. Comment
  LA82368  Calochortus albus O. H. Kappler; 1940-5-19 20 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  CAS-BOT-BC132290  Calochortus catalinae Carl Epling 1931-5-9 s.n. Los Angeles Los Alisos Canyon Comment
  RSA377303  Calochortus catalinae Louis C. Wheeler 1932-5-7 686 Los Angeles U.C.L.A. Campus West of Los Angeles. 137 Comment
  SBBG110996  Calochortus clavatus A. Parikh, N. Gale 1998-5-28 LA- 4 Los Angeles N of Triunfo Cyn Rd, near intersection with Kanan Rd, S of Agoura Hills 270 Comment
  SD672  Calochortus clavatus Ruth B. Randall Apr 1925 Los Angeles Mint Canyon Road. Comment
  UC574930  Calochortus clavatus Carl Epling and Louis Wheeler 1933-6-4 1854 Los Angeles near Summit (Ridge Route) 1524 Comment
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Nov 9 2011
  RSA0050038  Calochortus clavatus Wendy Boes, Kevin McCrummen 2009-5-25 2009 -017 Los Angeles Western Transverse Ranges; Sierra Pelona Ridge off Forest Rd. 6N07 1036 Comment
  SBBG57676  Calochortus clavatus L. Rowntree 1929-5-25 Los Angeles Van Nuys Comment
  RSA590656  Calochortus kennedyi var. kennedyi Timothy S. Ross, Steve Boyd 1990-6-1 2787 Los Angeles San Gabriel Mountains, Lower Moody Canyon: 1.9 (road) miles N of Magnetic Springs along Moody Truck Road 957 Comment
  RSA68648  Calochortus kennedyi var. kennedyi Frank W. Peirson 1921-5-20 1667 Los Angeles Hills west of Little Rock Canyon and at least 150 feet above it. at 3700 ft. north slope of San Gabriel Mountains. 1128 Comment
  RSA786599  Calochortus splendens Doris Bowers 1957-5-2 45 Los Angeles Road to Puddingstone, LaVerne 320 Comment
  UCD139605  Calochortus venustus Esfan Hesari 1993-5-4 s.n. Los Angeles Newhall, Walker ranch. 750 Comment
  SBBG69696  Calyptridium monandrum R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  UC1584217  Calyptridium monandrum Tim Ross, Steve Boyd 1990-5-17 2586 Los Angeles Mill Creek Tree Plantation, Tujunga District Mill Creek Tree Plantation; San Gabriel Mountains, Angeles National Forest, Mill Creek T 1612 Comment
  UCR118162  Calyptridium monospermum V. W. Steinmann 1996-6-17 916 Los Angeles San Gabriel Mtns., c. 1 km. (by air) SW of Mt. San Antonio, along Baldy Trail. 2850 Comment
  SEINET10870101  Calystegia macrostegia Jon Ricketson, Heidi H. Schmidt; Janet Takara 1992-10-20 Ricketson 4806 Los Angeles Santa Catalina Island; Catalina Conservancy Land, lower Cape Canyon Reservoir. Along Cape Canyon Trail (Road), .4 miles from junction to Airport Road. 8 miles northwest of the city of Avalon. Collections made in cooperation with the Catalina Conservancy. 500 Comment
  CAS-BOT-BC224314  Calystegia macrostegia subsp. amplissima J. H. Thomas 1949-2-22 4 Los Angeles Wilson's [Wilson] Cove, San Clemente Island Comment
  CAS-BOT-BC224315  Calystegia macrostegia subsp. amplissima Reid Moran 1958-9-15 6838 Los Angeles Above Wilson Cove, San Clemente Island 50 Comment
  RSA213410  Calystegia macrostegia subsp. amplissima Reid V. Moran 1941-2-19 593 Los Angeles Middle Ranch, San Clemente Island. 500 Comment
  SDSU5658  Calystegia macrostegia subsp. amplissima R. M. Beauchamp 1967-1-27 108 Los Angeles San Clemente Island. Comment
  POM346580  Calystegia macrostegia subsp. arida Barry Burnell 1970-5-21 231 Los Angeles Evey Canyon, off of San Antonio Canyon Road 716 Comment
  UCSB7585  Calystegia macrostegia subsp. cyclostegia Wedberg, H. 1958-2-22 Los Angeles Point Dume Comment
  LA50075  Calystegia macrostegia subsp. intermedia Sharon Johnston; 1957-3-7 M 387 Los Angeles Vacant lot at Hilgard Ave. and Le Conte Ave. near UCLA 182 Comment
  LA204767  Calystegia malacophylla subsp. pedicellata Jonathan Sauer; R. Gibson 1971-5-1 4874 Los Angeles Bailey Flats on Piru Creek, site of future Pyramid Reservoir Comment
  RSA716899  Calystegia occidentalis subsp. fulcrata LeRoy Gross, Bryan Carey 2006-6-20 2522 Los Angeles Straight across road (3N17.6) from the sign to enter into Messenger Flats Campground, west of Mount Gleason. 1799 Comment
  CAS-BOT-BC215906  Calystegia peirsonii W. R. Dudley 1896-6-8 4372 Los Angeles Near Neenach, Antelope Valley Comment
  UCR43327  Calystegia peirsonii David Charlton 1986-6-15 236 Los Angeles San Gabriel Mtns, Lightning [=Blue?] Ridge at the intersection of Forest Rd. 3N06 and Angeles Crest Hwy, c. 4 mi NW of the San Bernardino Co. line and 5 mi NW of Wrightwood 2256 Comment
  RSA394826  Calystegia soldanella Jack Rempel 1932-4-24 15242 Los Angeles El Segundo Comment
  POM3088  Camissonia bistorta E. L. Brown 1893-05 s.n. Los Angeles Los Angeles, Elysian Park Comment
  UCR107760  Camissonia bistorta D. Zygielbaum, M. Low 1997-3-6 5 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
  RSA729940  Camissonia boothii subsp. decorticans R. G. Swinney 1999-6-28 7425 Los Angeles East Fork of Puzzle Canyon Canyon. near old homesite at 2800 Deep Creek Cny. Rd. 1402 Comment
  RSA316353  Camissonia campestris subsp. campestris Robert F. Thorne, Walter Wisura, Susanne Granger, Pamela Burton 1982-4-20 54965 Los Angeles 2.5 miles S of Llano 1159 Comment
  RSA497610  Camissonia campestris subsp. campestris A. C. Sanders, B. Pitzer, J. Lyman 1988-4-4 7773 Los Angeles Mojave Desert, near Quartz Hill in Lancaster. S of Avenue L at 37th St. West 747 Comment
  UCR209144  Camissonia cheiranthifolia Dan S. Cooper 2009-5-19 509- 35 Los Angeles South Coast, Sand Dune Park, Manhattan Beach 27 Comment
  POM3350  Camissonia cheiranthifolia subsp. suffruticosa D. L. Crawford, Hiatt 1916-3-29 s.n. Los Angeles Along beach, Santa Monica Comment
  UCR17892  Camissonia cheiranthifolia subsp. suffruticosa Edith A. Purer, Freda Detmers 1931-3-2 s.n. Los Angeles El Segundo Sand Dunes Comment
  RSA449208  Camissonia claviformis subsp. claviformis Anstruther Davidson 1930-1 s.n. Los Angeles Lancaster Comment
  RSA755927  Camissonia graciliflora Orlando Mistretta, Christine Mistretta 2008-4-10 2410 a Los Angeles Ritter Ridge, SW of Quartz Hill. Along SCE transmission lines just S. of California Aqueduct. (Segment 5, structure 17 per TRTP survey - 2008) 919 Comment
  RSA186682  Camissonia guadalupensis subsp. clementina Peter H. Raven 1964-4-18 18772 Los Angeles San Clemente Island, Raven 17628 X Guadalupe Island, Moran & Ernst 6737 (Progenies) Comment
  RSA186684  Camissonia guadalupensis subsp. clementina Peter H. Raven 1962-4-11 17284 Los Angeles Dune on coast north of a point due west of Wall 2, San Clemente Island. 9 Comment
  RSA630364  Camissonia intermedia Louis C. Wheeler 1973-4-8 s.n. Los Angeles Kagel Canyon. 602 Comment
  RSA587250  Camissonia pallida subsp. pallida Orlando Mistretta 1994-5-13 1198 Los Angeles San Gabriel Mts, Little Rock Creek. 1067 Comment
  RSA755935  Camissonia pallida subsp. pallida Orlando Mistretta, Christine Mistretta 2008-4-9 2403 Los Angeles Ritter Ridge, SW of Lancaster. Along SCE Edison transmission lines, 0.5 mi. NW of intersection of transmission lines with Elizabeth Lake Rd. (Segment 5, structure 28 per TRTP survey - 2008) 953 Comment
  RSA0091529  Camissonia strigulosa R. G. Swinney 2011-5-26 14836 Los Angeles 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1061 Comment
  UCR129533  Camissonia strigulosa George K. Helmkamp, E. A. Helmkamp 1998-5-21 4041 Los Angeles Western Mojave Desert/Transverse Range, junction of Munz Ranch Rd and Lake Elizabeth Rd., north of Lake Elizabeth 1006 Comment
  POM3234  Camissonia strigulosa D. L. Crawford 1915-6-6 s.n. Los Angeles Claremont. Comment
  JEPS33751  Camissoniopsis bistorta I. W. Clokey and E. G. Anderson 1931-3-11 5332 Los Angeles San Gabriel Canyon 900 Comment
  SFV18636  Camissoniopsis bistorta A. E. Tibbels 1999-5-1 30 Los Angeles San Fernando Valley Big Tujunga Wash at edge of creek. West of Wescott Avenue and south of Grove Street. 390 Comment
  CAS-BOT-BC160438  Camissoniopsis cheiranthifolia subsp. suffruticosa Alice Eastwood 1906-5-27 76 Los Angeles Ocean Park Comment
  UCD103464  Camissoniopsis hirtella A. C. Sanders; D. Malueg 1998-6-22 22033 Los Angeles San Gabriel Mountains. La Canada, SCE Gould Substation off Hwy. 2, Gould Canyon. 595 Comment
  SDSU8868  Camissoniopsis lewisii R. M. Beauchamp 1967-6-3 565 Los Angeles On grassy slope on north side of canyon south of thirst. San Clemente Island. Comment
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May 16 2008
  UCR187276  Capsella bursa-pastoris A. C. Sanders 2006-4-18 32096 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, c. 2 miles due north of the west end of Quail Lake 1037 Comment
  SD30978  Capsella bursa-pastoris Edith A. Purer 1931-2-21 162 Los Angeles Palos Verdes Comment
  RSA724801  Cardamine californica K. Dobry 1991-3-23 d- 810 Los Angeles Santa Monica Mts. Cold Creek Cyn Montifish Prop Comment
  SD69467  Cardamine californica Robert F. Thorne 1966-4-7 35962 Los Angeles Santa Catalina Island; at bottom of canyon, Cherry Valley. 60 Comment
  RSA0034286  Cardamine californica Mark L. Hoefs, Steven A. Junak, Janet Takara 2000-4-1 3067 Los Angeles Santa Catalina Island: Upper Cherry Valley, above main road. 42 Comment
  RSA66114  Cardamine californica var. integrifolia F. W. Peirson 1911 Los Angeles Arroyo Seco, Pasadena Comment
  RSA230710  Carex abrupta Robert F. Thorne 1969-7-9 38559 Los Angeles Angeles National Forest; Upper part of large sloping meadow at Big Pines 2088 Comment
  RSA730301  Carex alma R. G. Swinney 1999-6-18 7301 Los Angeles Big John Flat, SE end along canyon bottom of east of fork of Boulder Canyon. 1732 Comment
  RSA802568  Carex alma Orlando Mistretta, Christine Mistretta 2011-7-1 5885 Los Angeles North Fork Mill Creek, along Forest Road 3N27. 1524 Comment
  RSA88717  Carex alma F. W. Peirson 1921-5-20 5371 Los Angeles Mojave Desert, Little Rock Creek, San Gabriel Mountains 1067 Comment
  UCR202690  Carex aurea R. G. Swinney 2001-8-11 8041 Los Angeles San Gabriel Mtns., Lamel Springs on north slope of Mt. Baden-Powell, 1.5 miles south of Vincent Gap 2375 Comment
  JEPS45927  Carex barbarae Louis C. Wheeler 1936-6-21 4169 Los Angeles W Fork Palmer Canyon, San Gabriel Mountains 640 Comment
  SEINET10653011  Carex barbarae Herbert C. Hanson Hanson s.n. Los Angeles Swamps. Comment
  RSA602755  Carex fracta L. C. Wheeler 1967-8-2 10299 Los Angeles San Gabriel Mountains, Angeles National Forest: Sheep Camp Spring, W slope Mt. Pacifico 1951 Comment
  RSA732919  Carex fracta R. G. Swinney 1999-8-16 7659 Los Angeles Wrightwood area. Flume Canyon, spring c. 200m north if Guffy Camground. Spring on N-facing slope, 2445 Comment
  RSA748484  Carex fracta Orlando Mistretta 1992-7-6 633 Los Angeles Krakta Ridge, spring by road. Comment
  RSA233417  Carex fracta Robert F. Thorne 1969-7-9 38582 Los Angeles San Gabriel Mts., Angeles National Forest: Wet, sloping meadow, Big Pines, headwaters of Mescal Creek 2072 Comment
  SBBG125217  Carex globosa A. Parikh, N. Gale 2010-6-23 3363 Los Angeles upper Shortcut Cyn, 1.3 km S of St Hwy 2, 1.5 km NNW of W Fork San Gabriel River 1290 Comment
  UC284915  Carex hassei P. A. Munz 1923-5-25 6808 Los Angeles Big Rock Creek San Gabriel Mts. 1280 Comment
  SBBG125452  Carex multicaulis A. Parikh, N. Gale 2010-6-17 3320 Los Angeles upper Big Tujunga Cyn, 0.2 km N of St Hwy 2, 0.4 km NE of intersection of St Hwy 2 and upper Big Tujunga Cyn Rd, San Gabriel Mtns 1360 Comment
  UC1116254  Carex nudata F. R. Fosberg 1931-3-11 660 Los Angeles below Wildwood (Topanga Canyon); Santa Monica Mountains 60 Comment
  UCR99496  Carex pellita Steve Boyd, Lauren Raz 1997-5-28 9857 Los Angeles Liebre Mtns, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Cyn, south of Liebre Mtn. 939 Comment
  CAS-BOT-BC174975  Carex praegracilis Timothy S. Ross; Steve Boyd 1994-7-7 8153 Los Angeles Upper Cienaga Canyon: South base of Liebre Mountain, just on the N side of the Kelly Ranch inholding (USFS map, 1958; Knapp Ranch, Angeles Nat'l Forest map, 1982) 1018 Comment
  POM81479  Carex schottii Marcus E. Jones 1882-3-7 s.n. Los Angeles Pasadena. Comment
  RSA230187  Carex schottii Robert F. Thorne 1969-7-2 38346 Los Angeles San Gabriel Mountains, Angeles National Forest: wet, sloping meadow at Big Pines 2088 Comment
  UCR142889  Carex schottii L. C. Wheeler 1936-6-21 4169 Los Angeles San Gabriel Mtns, West Fork of Palmer Canyon 701 Comment
  UC440482  Carex senta Carl Epling, Lincoln Ellison 1929-3-16 Los Angeles Topango [sic] Canyon Santa Monica Mountains Comment
  RSA90849  Carex senta F. W. Peirson 1921-5-20 2658 Los Angeles Little Rock Creek 1067 Comment
  UCR168189  Carex spissa Joseph M. Keefe 1977-6-10 22072 Los Angeles Transverse Ranges; San Gabriel Mountains, Northern Verdugo Mountains; 1 km south of La Tuna Canyon Road on Fire Break Road West, Sun Valley 460 Comment
  SBBG57196  Carex subfusca V. Duran 1933-7-21 3524 Los Angeles Buckhorn 1981 Comment
  SEINET5042234 Image available Carex subfusca Unknown 1933-7-21 3524 Los Angeles Buckhorn, San Gabriel Mts. Comment
  UC212969  Carpobrotus chilensis S. B. Parish 1918-6-5 11884 Los Angeles Playa del Rey Comment
  RSA187936  Castilleja affinis Robert F. Thorne 1966-4-28 36200 Los Angeles Santa Catalina Island, road to Renton Mine, Pebbly Beach Canyon 244 Comment
  SBBG79234  Castilleja affinis W. A. Wright 1931-2-19 Los Angeles above school, Banning Cyn Comment
  UC138725  Castilleja affinis subsp. affinis C. F. Baker 1904-5-6 4745 Los Angeles near Pomona Comment
  UCR276896  Castilleja applegatei R. G. Swinney 2011-5-16 14755 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 1.18 mi. at 73 deg. SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19 in upper Big Tujunga Cyn., c. 150 m. north of lodge on a SW-facing slope, E of the swimming pool 1220 Comment
  RSA547484  Castilleja applegatei subsp. martinii Tim S. Ross, Orlando Mistretta 1992-7-24 6759 Los Angeles Vicinity of Strawberry Spring, 76 deg. ENE, 900 m distant from Strawberry Peak summit 1460 Comment
  RSA660789  Castilleja applegatei subsp. martinii LeRoy Gross, Valerie Soza 2001-6-6 428 Los Angeles Verdugo Mountains, north side; Hostetter Mountain Way, off of La Tuna Canyon Road. 671 Comment
  RSA729833  Castilleja applegatei subsp. martinii R. G. Swinney 1998-7-8 6346 Los Angeles San Gabriel Mtns.: Wright Mountain, south of Wrightwood. 2585 Comment
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May 24 2017
  RSA714913  Castilleja exserta A. C. Sanders, Mark A. Elvin 2003-4-14 25978 Los Angeles Santa Clara River watershed; Newhall Ranch, ca. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank. 305 Comment
  LA52017  Castilleja foliolosa Harlan Lewis; 1940-2-4 1059 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak 670 Comment
  RSA161089  Castilleja foliolosa Peter H. Raven 1962-5-20 17769 Los Angeles Santa Catalina Island, Airport Road on main ridge about 1.5 miles west of Middle Ranch turn-off. Comment
  UCR113675  Castilleja foliolosa L. C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mtns., Mill Canyon off Soledad Canyon 732 Comment
  RSA400572  Castilleja foliolosa Mark Morris 1929-4-11 s.n. Los Angeles Verdugo Hills, near Glendale. Comment
  POM175424  Castilleja gleasoni Joseph A. Ewan 1930-5-11 2348 Los Angeles Trail from Iron Mt. to Gleason. San Gabriel Mountains. 1677 Comment
  SBBG109036  Castilleja grisea S. A. Junak 1996-5-30 SCl 556 Los Angeles ca. 0.3 mi ESE of Triangulation Pt "Red" 18 Comment
  SBBG118704  Castilleja grisea O. Mistretta 1992-4-5 140 Los Angeles Guds Comment
  UCR3336  Castilleja martinii T. R. Plumb 1964-2-27 s.n. Los Angeles San Dimas: edge of road along Dalton Dam 610 Comment
  JEPS9847  Castilleja miniata Frank W. Peirson 1920-9-14 2286 Los Angeles Coldwater Canyon; San Gabriel Mountains 2133 Comment
  RSA239843  Castilleja miniata subsp. miniata John Dourley, Nick Lolonis 1968-8-20 s.n. Los Angeles Along State Highway 2, below Dawson Saddle, San Gabriel Mountains. 2348 Comment
  RSA585408  Castilleja miniata subsp. miniata Tim S. Ross, Steve D. Boyd 1990-5-29 2717 Los Angeles Big Rock Springs: immediate vicinity of Big Rock Creek where crossed by Big Pines Highway (Valyermo Rd.). 1183 Comment
  RSA0110581  Castilleja minor subsp. spiralis R. G. Swinney 2011-6-15 15196 Los Angeles San Gabriel Mountains: Chilao Creek, 100 m south and north of Chilao Campground. 1573 Comment
  UC1584057  Castilleja minor subsp. spiralis Tim Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4046 Los Angeles ne of Tie Summit Station (e of Angeles National Forest, Tujunga Ranger District, w drainage that meets Tie Canyon); San Gabriel Mountains, Angeles National Forest, Tie Canyon 1463 Comment
  RSA448770  Castilleja plagiotoma Bonnie C. Templeton 1932-6-19 4918 Los Angeles Ranger Station, Lone Pine canyon, Big Pine Park Comment
  RSA772385  Castilleja plagiotoma R. G. Swinney 2009-5-12 10756 Los Angeles Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge. 1435 Comment
  CAS-BOT-BC38145  Caulanthus amplexicaulis Timothy S. Ross; Steve Boyd 1994-5-11 7827 Los Angeles Liebre Mountains. Sawmill Mountain. Center summit area, along Maxwell Truck Trail. Ca. 1085 m SSW of Upper Lake Campgnd. 1584 Comment
  RSA776482  Caulanthus amplexicaulis var. amplexicaulis Jane Tirrell, Graham Bothwell 2011-7-25 LS- 34 Los Angeles On crest of ridge, approximately 0.5 mile east of Windy Gap. 2434 Comment
  UC765000  Caulanthus coulteri R. F. Hoover 1938-4-16 3118 Los Angeles near Bailey's; upper Antelope Valley, near Bailey's Comment
  UCR259229  Caulanthus coulteri var. coulteri Mitch Provance, Callen Huff 2009-4-29 10690 Los Angeles Tehachapi Mountains, Tejon Ranch, south of Lebec, lower slopes above Interstate 5, about 0.7 miles east of Gorman; site PO1088/1090 1230 Comment
  CATA3035  Caulanthus lasiophyllus Amy Catalano 2016-3-17 042 Los Angeles Santa Catalina Island: On west side ca. 0.5 miles down of second Old Hunting Road along Empire Landing Road between Airport Road and Sheep Chute Road, about 95 meters off road 320 Comment
  UC1871147  Caulanthus lasiophyllus T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4989 Los Angeles Transverse Ranges; Liebre Mountains region; Soledad Canyon Wash: about half mile E of Acton; T5N R13W, W1/2 SE1/4 SE1/4 section 36; elevation 2720 feet. 829 Comment
  CAS-BOT-BC47914  Ceanothus arboreus Robert F. Thorne; P. C. Everett 1964-2-6 33293 Los Angeles N-facing slope above Fourth of July cove - Santa Catalina Island 30 Comment
  SBBG31117  Ceanothus arboreus R. F. Thorne 1966-4-29 Los Angeles below rd to White's Landing above turn-off to Echo Lake 411 Comment
  RSA182756  Ceanothus crassifolius J. Massey, James Henrickson 1966-3-4 1049 Los Angeles Entrance of Coban Canyon. [Cobal Canyon] Comment
  UC870519  Ceanothus crassifolius Marcus E. Jones 1882-2-25 3022 Los Angeles Pasadena Comment
  CAS-BOT-BC49261  Ceanothus cuneatus P. A. Munz 1920-3-10 3334 Los Angeles Claremont Comment
  HSC18406  Ceanothus cuneatus C. S. Apperson 1967-6-11 Los Angeles 1.0 mi. down Canton Canyon trail from the end of Townsend Park Rd. Comment
  UCR184204  Ceanothus cuneatus A. C. Sanders, T. B. Salvato 2007-4-24 33492 Los Angeles Tehachapi Mountains, hills above head of Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant 1128 Comment
  SEINET6078636  Ceanothus cuneatus Unknown Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  RSA399014  Ceanothus cuneatus var. cuneatus Dronovitch 1940-1 s.n. Los Angeles Lake Elizabeth Canyon. Comment
  UC1281450  Ceanothus cuneatus var. cuneatus unknown 1931-5-3 349 Los Angeles San Francisquito Canyon Comment
  UC1587554  Ceanothus cuneatus var. cuneatus Tim Ross 1991-9-2 5942 Los Angeles near Mulholland Hwy (Yerba Buena Rd); Santa Monica Mts., Truinfo Pass USGS 7.5' quad Comment
  CAS-BOT-BC50158  Ceanothus integerrimus Geo. B. Grant 1904-6-26 s.n. Los Angeles Mt. Lowe, Pasadena 1828 Comment
  POM2769  Ceanothus integerrimus D. L. Crawford 1915-6-30 s.n. Los Angeles Bear Flats, mountains above Claremont 2134 Comment
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Jan 20 2011
  RSA774861  Ceanothus integerrimus R. G. Swinney 2009-6-24 11251 Los Angeles summit of Granite Mountain 1988 Comment
  RSA647310  Ceanothus integerrimus Marion P. Harthill 1971-3-28 118 Los Angeles Cold Spring Dam, CA. Comment
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Jun 1 2015
  CAS-BOT-BC50551  Ceanothus leucodermis Timothy S. Ross; Darin Banks 1994-4-13 7533 Los Angeles Liebre Mts. - Lower Clearwater Canyon: ca 1400 m ESE of Plum Spring and ca 960 m W of San Francisquito Powerhouse No. 1 707 Comment
  CAS-BOT-BC50593  Ceanothus leucodermis John I. Carlson 1918-4-29 s.n. Los Angeles Sierra Madre Comment
  RSA754113  Ceanothus leucodermis Ellen Mackey, Blake Whittiington 2006-10-24 NFWF- 1816 Los Angeles San Gabriel River above Morris Dam 385 Comment
  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
  RSA261705  Ceanothus megacarpus var. insularis T. S. Brandegee 1889-05 s.n. Los Angeles Santa Catalina Island. Comment
  OBI10339  Ceanothus spinosus Louis C. Wheeler 1932-3-5 456 Los Angeles Mandeville Cyn, Santa Monica Mts 122 Comment
  RSA398937  Ceanothus spinosus T. S. Clare 1929-3-3 s.n. Los Angeles Topango [Topanga] Canyon. Comment
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May 29 2014
  RSA398943  Ceanothus spinosus Ora M. Clark 1929-2-3 1496 Los Angeles Topango [Topanga] Canyon Comment
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May 29 2014
  RSA0028426  Ceanothus spinosus Gary D. Cromwell, David W. Wheat 1971-4-21 563 Los Angeles Below ridge to west of Mystic Canyon, about 1875 feet, 2 miles NE of Glendora, Angeles National Forest, San Gabriel Mountains. 572 Comment
  SEINET11740355  Cedrus deodara Unknown 1946-1 s.n. Los Angeles Pasadena Comment
  UCR205536  Celtis australis A. C. Sanders, T. B. Salvato 2009-5-21 36895 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
  UCR208920  Celtis australis R. E. Riefner Jr. 2006-7-18 06- 304 Los Angeles Pasadena, San Rafael Hills, in vicinity of Canedo Place and Wierfield Drive 320 Comment
  RSA702077  Centaurea cyanus Scott D. White, Pam De Vries 2004-5-18 10451 Los Angeles Eastern Santa Susana Mtns. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  CAS-BOT-BC277003  Centaurea diluta Grace Cole Fleischman 1952-6-9 s.n. Los Angeles At intersection of Antwerp & Imperial Aves., Watts Comment
  CAS-BOT-BC272063  Centaurea melitensis Peter H. Raven; Henry J. Thompson 1959-6-4 14323 Los Angeles Dune grassland behind Point, Point Dume, Santa Monica Mountains 45 Comment
  POM351502  Centaurea melitensis F. R. Fosberg 1930-7-3 S 3032 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  POM351504  Centaurea melitensis L. E. Hoffman 1929-6-8 s.n. Los Angeles Arroyo Seco Canyon Comment
  RSA0088008  Centaurea melitensis R. G. Swinney 2010-6-21 13299 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  RSA656868  Centaurea melitensis Joseph M. Keefe 2001-1-24 31011 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  CAS-BOT-BC272069  Centaurea melitensis Alice Eastwood 1917-7-20 6480 Los Angeles Santa Catalina Island Comment
  SBBG128560  Centaurea melitensis M. L. Hoefs, D. R. Hoefs 1995-6-29 2340 Los Angeles Empire Landing Rd near quarry 124 Comment
  POM3623  Centaurium venustum Larry E. DeBuhr 1907-5-17 s.n. Los Angeles Claremont. 366 Comment
  RSA18422  Centaurium venustum Carl B. Wolf 1927-7-24 680 Los Angeles Chevy Chase Drive between Flintridge and Glendale Comment
  UC1234768  Centranthus ruber Peter H. Raven 1962-5-20 17764 Los Angeles on Pebbly Beach Road on bluffs just e Avalon (Santa Catalina Island); , on Pebbly Beach Road Comment
  CAS-BOT-BC288834  Centromadia parryi subsp. australis M. N. Ackley 1930-8-14 s.n. Los Angeles Vacant lot, Eagle Rock City Comment
  UCR274988  Cerastium glomeratum Michael Honer, Rachel Woodard 2006-4-20 2213 Los Angeles Tehachapi Mountains area:, Oso Canyon area; c. 1/2 mi. north of Quail lake; 1 mile west of cement plant rd. 1037 Comment
  POM308939  Cerastium glomeratum Kay H. Beach 1944-9-11 690 Los Angeles Tanbark Flat ; Lysmiter area, San Dimas Experimental Forest 762 Comment
  CAS-BOT-BC142162  Cercocarpus betuloides var. betuloides Mrs. S. Earle Kelley 1917-9-1 s.n. Los Angeles Mt. Wilson Comment
  UCR272347  Cercocarpus betuloides var. betuloides R. G. Swinney 2011-3-15 14092 Los Angeles San Gabriel Mountains, Arcadia Wilderness Park, 2240 Highland Oaks Dr., lower Santa Anita Cyn., east portion of park 244 Comment
  RSA190892  Cercocarpus betuloides var. blancheae Robert F. Thorne 1967-5-18 36874 Los Angeles Santa Catalina Island. In Wild Boar Gully. 122 Comment
  RSA199158  Cercocarpus betuloides var. blancheae Robert F. Thorne 1968-5-29 37693 Los Angeles Santa Catalina Island. On north slope of Black Jack Mountain at upper end Swain's Canyon toward Echo Lake. 396 Comment
  RSA623927  Cercocarpus ledifolius Arthur R. Kruckeberg 1939-10-15 340 Los Angeles South Fork Big Rock Creek 1220 Comment
  SEINET6042767  Cercocarpus montanus Unknown 1997-3-31 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  SEINET6099582  Cercocarpus montanus Unknown 1972-12-20 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  CAS-BOT-BC32720  Cercocarpus montanus var. traskiae Blanche Trask 1897-3-1 s.n. Los Angeles Santa Catalina Isl. Salte Verde. Comment
  SBBG31387  Cercocarpus traskiae R. F. Thorne 1967-5-18 36900 Los Angeles Salta Verde, lateral gully to Wild Boar Gully 213 Comment
  RSA351649  Chaenactis artemisiifolia L. E. Hoffman 1929-6-23 s.n. Los Angeles Mouth [of] Pacoima Canyon. San Gabriel Mountains, Angeles Forest. Comment
  OBI16810  Chaenactis glabriuscula var. glabriuscula Wesley O. Griesel 1962-5-25 s.n. Los Angeles Switzers Inlet, Upper Arroyo Seco, San Gabriel Mts 914 Comment
  RSA0081201  Chaenactis glabriuscula var. glabriuscula Mitch Provance 2010-5-6 0510 -08 Los Angeles Tejon Ranch, c. 1.5 miles west of Neenach and 0.5 mi. SW of Hwy 138 crossing of Pacific Crest Trail. 960 Comment
  RSA0088569  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-5-11 12699 Los Angeles East of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd. 872 Comment
  CAS-BOT-BC277353  Chaenactis glabriuscula var. glabriuscula John Thomas Howell 1928-3-20 3471 Los Angeles Hills east of Vermont Canon [Canyon], Griffith Park Comment
  CAS-BOT-BC277359  Chaenactis glabriuscula var. glabriuscula Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-25 3831 Los Angeles San Gabriel Mountains. Ridgetop to the NW of Crystal Lake [ridge descending SSW from Mt. Islip] 2194 Comment
  CAS-BOT-BC277361  Chaenactis glabriuscula var. glabriuscula Barbara T. Keller 1974-4-28 1207 Los Angeles 3/4 mile northwest of Cajon along Highway 138 944 Comment
  JEPS85110  Chaenactis glabriuscula var. glabriuscula Roy E. Buck and Rexford Palmer 1989-4-28 1222 Los Angeles 1.1 air km ene of summit Pyramid Rock (22 air km nw of Castaic, betw. Interstate 5 & Pyramid Dam, crest ns-trending spur ridge, e of small draining canyon s of Posey Canyon) 914 Comment
  POM66517  Chaenactis glabriuscula var. lanosa Marcus E. Jones 1882-5-1 s.n. Los Angeles Los Angeles. Comment
  POM5990  Chaenactis stevioides Marjorie Shaw, E. S. Spalding, C. L. Walton 1917-4-6 s.n. Los Angeles Antelope Valley. Desert Flats 915 Comment
  POM18257  Chaenactis stevioides var. brachypappa P. A. Munz 1923-5-26 6804 Los Angeles Big Rock Creek. 1280 Comment
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May 18 2016
  POM351853  Chaenactis xantiana A. Menke 1955-4-16 s.n. Los Angeles 1 mile south-east of Gorman. Comment
  RSA638182  Chamaesyce melanadenia L. C. Wheeler 1969-3-9 s.n. Los Angeles San Gabriel Mountains: Ridge between mouth of Big & Little Dalton Canyon. 350 Comment
  RSA598993  Chamaesyce melanadenia L. C. Wheeler 1952-3-30 6846 Los Angeles San Gabriel Mountains. Little Tujunga, near Limerock Canyon. 472 Comment
  SEINET4044603  Chamaesyce polycarpa D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. Pt. Mugu State Park. 30 Comment
  UCR114735  Chasmanthe aethiopica A. C. Sanders 1988-2-18 7684 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar. Blvd. 30 Comment
  SFV14648  Cheilanthes covillei J. C. Dittes, C. Williams 1989-4-29 1 Los Angeles San Gabriel Mountains Upper Big Tujunga River (Wikiup), 0.25 miles downstream from bridge to Camp Colby. 915 Comment
  UCR190797  Cheilanthes covillei R. G. Swinney 2001-5-18 7937 Los Angeles San Gabriel Mtns./Mojave Desert, Largo Vista area, c. 1/2 mile east of Largo Vista Rd. at a point 3.56 mi. south of Hwy 138 1284 Comment
  RSA587482  Cheilanthes covillei Orlando Mistretta, Steve Boyd, Darin Banks 1994-4-29 1131 Los Angeles San Gabriel Mountains. Santiago Canyon. Slopes W of main drainage below Mt Emma. 1220 Comment
  UCD97787  Chenopodium album Louis C. Wheeler 1966-10-1 8936 Los Angeles San Gabriel Mountains: Millie's Orchard, lower Colby Ranch, Coldwater Canyon. 1005 Comment
  UCR127887  Chenopodium album var. lanceolatum A. C. Sanders, Mark Elvin 2002-6-20 25220 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
  RSA423247  Chenopodium ambrosioides B. C. Templeton 1934-10-13 4812 Los Angeles Los Angeles River Comment
  RSA762383  Chenopodium berlandieri R. G. Swinney 2009-3-12 10099 Los Angeles Azusa, mouth of San Gabriel River Canyon, 0.7 mi. north of Sierra Madre Ave. on north side of Hwy 39. 226 Comment
  RSA701275  Chenopodium botrys LeRoy Gross 2003-5-4 823 Los Angeles South side of mountains: Along east side of Brand canyon a short distance above the large waterfall. 393 Comment
  RSA615712  Chenopodium californicum L. C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mountains: Kentucky Springs County Park. Comment
  UCR145458  Chenopodium californicum L. C. Wheeler 1969-4-20 s.n. Los Angeles San Gabriel Mtns/Mojave Desert, 0.25 mile east Barrel Springs, SE of Palmdale 899 Comment
  UCR186776  Chenopodium californicum A. C. Sanders 2006-5-16 32346 Los Angeles Tehachapi Mtns. Foothills, off Gorman Post Rd. near the Bailey Substation, c. 1 mile west of Quail Lake 1067 Comment
  UCR71243  Chenopodium californicum Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4361 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, third canyon south of Bryce Canyon 427 Comment
  RSA0085505  Chenopodium fremontii R. G. Swinney 2010-9-9 13800 Los Angeles Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  LA31619  Chenopodium macrospermum var. farinosum J. A. Ewan; 1959-9-6 Los Angeles Santa Monica Mountains, Medea Creek, Malibu Creek, near mouth 3 Comment
  RSA579129  Chenopodium murale T. S. Ross, J. M. Porter, Gery Allan, Vanessa Ashworth, D. L. Banks, Megan Tommerup 1994-3-28 7433 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; ca 2260 m SE of Inspiration Point and 3160 m WNW of Whites Point. 12 Comment
  RSA534001  Chenopodium murale T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5125 Los Angeles San Clemente Island, eastern escarpment, 1400 ft. SSE of Jack (not Jack Point), and 1350 ft. NW of the mouth of Larkspur Canyon. 145 Comment
  RSA660234  Chenopodium murale H. Christopher Gubler 1981-6-1 18 Los Angeles Cal Poly Pomona Ag. Eng. Buld. 500 yards north in the field. Comment
  LA201083  Chenopodium pumilio Louis C. Wheeler; 1932-7-2 Los Angeles San Gabriel Mountains, San Dimas Canyon 457 Comment
  SBBG130724  Chlorogalum pomeridianum S. A. Junak 2000-7-1 SCa 1370 Los Angeles just SW of Cape Cyn reservoir, upper Cape Cyn 344 Comment
  POM351601  Chondrilla juncea Robert Gustafson 1981-9-10 2495 Los Angeles Ballona Wetlands, area 1 Comment
  RSA29723  Chorizanthe procumbens Louis C. Wheeler 1934-1 766 Los Angeles Thompson Creek Dam near Claremont 488 Comment
  CAS-BOT-BC244660  Chorizanthe staticoides S. B. Parish 1901-4-5 594 Los Angeles San Jose Hills, near Claremont 274 Comment
  RSA392664  Chorizanthe staticoides L. E. Hoffman 1929-6-10 s.n. Los Angeles Arroyo Seco, below Strawberry Peak. Comment
  RSA0105218  Chorizanthe watsonii R. G. Swinney 2011-6-7 15042 Los Angeles San Gabriel Mountains: Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road. 1585 Comment
  SBBG62288  Chorizanthe xanti var. xanti J. Ewan 1929-7-10 Los Angeles trail to Barley Flats 1463 Comment
  CAS-BOT-BC36282  Chrysolepis sempervirens H. E. McMinn 1926-7-22 1782 Los Angeles Bear Flat trail to Mt. San Antonio Comment
  RSA476626  Chrysolepis sempervirens Fred Burlew 1916-1 s.n. Los Angeles Mt. San Antonio Comment
  POM351981  Chrysothamnus nauseosus subsp. hololeucus L. E. Hoffman 1931-11-9 s.n. Los Angeles Mojave Desert near mouth of Little Rock Creek. Comment
  JEPS30413  Cirsium occidentale var. venustum Donald Kyhos 1958-6-20 58 -217 Los Angeles 0.75 m s Gorman (Highway 99) Comment
  UCR253908  Cirsium occidentale var. venustum Mitch Provance 2009-6-24 0609- 5 Los Angeles Western Transverse Range, Gorman, near Peace Valley Rd. crossing of Gorman School Rd., truck stop near Hungry Valley 1166 Comment
  RSA653884  Cistanthe monandra Valerie L. Soza, Steve Boyd 2000-4-26 794 Los Angeles Verdugo Mountains, south side: Stough Canyon, Stough Park, above parking lot SW of intersection of Walnut Avenue and Lockheed View Drive, W of De Bell Municipal Golf Course, SE of Starlight Theater. 396 Comment
  CAS-BOT-BC228704  Cistanthe umbellata I. M. Johnston 1917-7-3 1397 Los Angeles San Antonio Mountains. Head of San Antonio Canon [Canyon] 2438 Comment
  CAS-BOT-BC228705  Cistanthe umbellata W. R. Ernst 1957-4-19 162 Los Angeles Along Highway 6, 2.9 miles north of junction with Angeles Crest Highway (2) Comment
  UCR241701  Clarkia Dan S. Cooper 2012-4-14 412- 22 A Los Angeles Western Transverse Range; Hollywood Hills, 1-mile Tree, off Western Canyon Rd., Griffith Park 270 Comment
  RSA0115257  Clarkia bottae Richard G. Swinney 2010-5-25 12942 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA453456  Clarkia bottae Anstruther Davidson 1889-07 s.n. Los Angeles Foothills. Los Angeles. Comment
  UCSB4356  Clarkia bottae DeWitt, Jack 1959-5-15 Los Angeles Mint Canyon; at park 4.3 miles E of Solemint 609 Comment
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Nov 13 2014
  RSA580313  Clarkia cylindrica subsp. cylindrica Tim S. Ross, Steve D. Boyd 1994-5-24 7869 Los Angeles Lower NE slope of Grass Mountain: northeasterly draw and adjacent northerly slope dissected by Burns Truck Trail and draining to the upper central area of Burns Canyon. 1148 Comment
  UCR86552  Clarkia deflexa T. S. Ross 1992-5-17 6345 Los Angeles San Gabriel Mtns., near elbow of E fork of the San Gabriel River, 260 m west of the mouth of Cattle Canyon. 576 Comment
  RSA660098  Clarkia dudleyana Orlando Mistretta 1992-6-12 550 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  UC125396  Clarkia dudleyana E. D. Palmer Apr. 1902 Los Angeles near Occidental College Comment
  UCD104063  Clarkia dudleyana Clinton C. Shock 1980-6-16 141 Los Angeles Interstate Highway 5, 0.4 mile NW of Tejon Pass. 1219 Comment
  RSA670696  Clarkia elegans Bonnie C. Templeton 1947-5-21 6284 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  POM3040  Clarkia epilobioides R. Richmond 1903-04 s.n. Los Angeles Claremont. 366 Comment
  RSA725650  Clarkia purpurea Tim Thibault, Chelsea Ames, Valentin Arvizu, Heather Porter, Janet Takara 2006-4-27 425 Los Angeles Santa Catalina Island. Lower road above Cherry Cove just N of fourth of July Cove. 45 Comment
  LA45559  Clarkia purpurea subsp. quadrivulnera H. L. Francis; 1943-6-16 sn Los Angeles Elysium Park Comment
  POM154318  Clarkia purpurea subsp. quadrivulnera Ralph Hoffmann 1927-6-15 s.n. Los Angeles Elizabeth Lake. Comment
  POM3135  Clarkia purpurea subsp. quadrivulnera C. F. Baker 1901-03 4713 Los Angeles Hills near Claremont. Comment
  SD3276  Clarkia purpurea subsp. viminea Ruth B. Randall 4/1925 213 Los Angeles Mint Canyon Comment
  POM3155  Clarkia unguiculata H. M. Hall, H. P. Chandler 1906-6-12 7405 Los Angeles Near Saugus. Comment
  UC61541  Clarkia unguiculata Ernest Braunton June 1903 896 Los Angeles Glendale to Burbank Comment
  UCD105060  Clarkia unguiculata Geoffrey Levin 1974-5-31 194 Los Angeles Wash (Blanchard Park), Pomona College, Claremont. 335 Comment
  RSA603024  Claytonia exigua subsp. exigua L. C. Wheeler 1955-4-16 7125 Los Angeles San Gabriel Mountains: Pinyon Flat. Comment
  UCR185583  Claytonia parviflora A. C. Sanders 2007-4-25 33556 Los Angeles Tehachapi Mtns., Oso Canyon, 0.5 mi. SE of Kern Co. line, on Oso Canyon Rd. 1159 Comment
  UCR190733  Claytonia parviflora R. G. Swinney 2001-6-2 7961 Los Angeles San Gabriel Mtns./Mojave Desert, Juniper Hills area, Cruthers Creek 1.1 mi. south of Devils Punchbowl Rd. 1311 Comment
  OBI70925  Claytonia parviflora subsp. parviflora Steve Boyd, Lauren Raz 1997-3-26 9328 Los Angeles Liebre Mts Region: Portal Ridge N of Lake Hughes, upper end of Myrick Cyn drainage along Lakeview Rd 1134 Comment
  RSA527812  Claytonia parviflora subsp. parviflora Timothy S. Ross, Steve Boyd 1991-4-25 4572 Los Angeles San Gabriel Moutains: Doe Flat, between Graveyard Canyon and Susanna Canyon, N side of the East Fork of the San Gabriel River; Angeles National Forest, Mt. Baldy Ranger District. Comment
  RSA587414  Claytonia parviflora subsp. parviflora Orlando Mistretta 1995-3-28 1575 A Los Angeles San Gabriel Mountains: Drainage W of Little Rock Creek Reservoir just S of dam. 1006 Comment
  UCR259042  Claytonia perfoliata R. G. Swinney 2010-3-14 11897 Los Angeles San Gabriel Mountains, Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road 447 Comment
  SD217353  Claytonia perfoliata Tim Ross, Laurel Arnseth 1990-4-8 4404 Los Angeles San Clemente Island. East side of island, Bruce Canyon near Malo Poin. Comment
  UC57603  Claytonia perfoliata subsp. mexicana J. H. Barber 1897-3-19 72 Los Angeles Santa Monica Forestry Comment
  RSA466696  Claytonia perfoliata subsp. perfoliata John E. Marble 1898-3-17 202 Los Angeles Elysian Park. Comment
  RSA660626  Clematis lasiantha Matt Bogdanoff 1981-5-29 42 Los Angeles Ca. Hwy 39, 18.1 miles N of junction with Sierra Madre. Comment
  RSA584958  Clematis ligusticifolia Tim S. Ross, S. D. Boyd 1990-6-1 2773 Los Angeles Magnetic Springs: in Moody Canyon (ca. 2.15 air-miles NW of Mt. Gleason). 1195 Comment
  POM296992  Cleome isomeris Karen Hosterman 1957-4-9 988 Los Angeles Catalina [Island]; Isthmus. Comment
  RSA607699  Cleome isomeris Scott D. White 1997-11-5 6016 Los Angeles Mouth of Trancas Canyon, N of Pacific Coast Hwy (= CA Hwy 1). 8 Comment
  RSA601179  Cnicus benedictus L. C. Wheeler 1967-6-26 9915 Los Angeles San Gabriel Mountains : Placerita Canyon; ca. 1/4 mile E of highway 457 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
  SFV21150  Collinsia heterophylla J. M. Keefe 2001-1-19 30931 Los Angeles San Rafael Hills Los Angeles, Eagle Rock. North side of wood fence along the Eagle Rock Park path between Scholl Canyon Road and Eagle Rock View Drive, 5 m west of beginning of private driveway with mailboxes (5475 Eagle Rock View Drive). 293 Comment
  UCD123596  Collinsia heterophylla Daryl Koutnik 1978-4-28 433 Los Angeles Fireroad north of Mulholland Highway and northwest of Saddle Rock. 609 Comment
  OBI26234  Collinsia heterophylla Mark E. Schneider 1973-4-26 46 Los Angeles Mullolland hwy 1.5 mi past Stunt Rd 267 Comment
  RSA408266  Collinsia heterophylla L. E. Hoffman 1929-6-23 s.n. Los Angeles Pacoima Canyon, Angeles Forest; Pacoima Wash. Open trail side. Comment
  RSA80164  Collinsia heterophylla F. W. Peirson 1923-4-9 3457 Los Angeles San Clemente Island: canyon running to Middle Ranch Comment
  RSA80169  Collinsia heterophylla F. W. Peirson 1924-5-26 4629 Los Angeles Trail to Switzer's Camp, San Gabriel Mountains 686 Comment
  UCR256561  Collinsia heterophylla var. austromontana Anuja Parikh, Nathan Gale 2011-7-15 3562 Los Angeles Transverse Range; San Gabriel Mountains, West Fork San Gabriel River, 3.5 km west of State Hwy 39 S an Gabriel Canyon Road 570 Comment
  SEINET179451  Conium maculatum L. Crutcher 1933-6-21 Los Angeles Seventh Street Bridge Long Beach Comment
  SBBG128191  Constancea nevinii M. G. Simpson, A. Russell, J. Dunn, D. Pivorunas 2000-7-19 2184 Los Angeles ca. 0.1 mi SW from the end of rd that runs S from Eel Point 27 Comment
  RSA601064  Convolvulus arvensis Steve Boyd, Lauren Raz 1997-6-18 9993 Los Angeles Liebre Mountains region: Along Elizabeth Lake Road in Leona Valley (San Andreas Fault Rift zone), south of Portal Ridge, 5.1 road miles west of intersection with 90th St. West. 1054 Comment
  SBBG131133  Convolvulus arvensis S. A. Junak 1999-5-21 SCa 970 Los Angeles E side of KBRT Valley, E of radio antennas 457 Comment
  SD181586  Convolvulus arvensis Valerie Soza, Kent Hughes 1999-6-4 472 Los Angeles San Gabriel Mountains, foothills above Glendora, west of Colby Trail, at end of Loraine Avenue. Open flat grassland on ridgetop, in clay soil. 366 Comment
  HSC5501  Conyza canadensis W. H. Kinch 1954-9-30 16 Los Angeles Padua Ave. N Claremont, San Antonio Wash. 335 Comment
  RSA0116848  Conyza canadensis R. G. Swinney 2010-10-5 13973 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, west of Oak of the Golden Dreams, at west boundary of park. 451 Comment
  UCR48978  Conyza canadensis A. C. Sanders 1987-9-18 7357 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar Blvd. 38 Comment
  UCR124722  Cordylanthus nevinii B. C. Templeton 1932-8-25 5068 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  JEPS70068  Cordylanthus rigidus subsp. setiger L. R. Heckard 1971-9-29 2850 Los Angeles above (ne) Bouquet Reservoir; San Gabriel Mts. 944 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
  UC33135  Coreopsis californica var. californica Dr. A. Davidson 1890-1 Los Angeles Los Angeles Comment
  CAS-BOT-BC287090  Coreopsis douglasii Marcus E. Jones 1882-5-2 3361 Los Angeles Pasadena Comment
  RSA607946  Coreopsis douglasii L. C. Wheeler 1933-5-13 1732 Los Angeles Cobal Canyon 487 Comment
  JEPS41860  Corethrogyne filaginifolia Frank W. Peirson 1918-10-15 229 Los Angeles Summit Sister Elsie Peak; San Gabriel Mts. Comment
  POM356117  Corethrogyne filaginifolia L. E. Hoffman 1933-7-17 s.n. Los Angeles Hermosa Beach Comment
  SBBG127310  Corethrogyne filaginifolia D. Keil 1986-9-27 19737 -2 Los Angeles Interstate 5, just S of Hungry Valley Rd exit, roadside pullout 914 Comment
  RSA93104  Corethrogyne filaginifolia var. filaginifolia F. W. Peirson 1918-9-15 229 Los Angeles summit of Lukens Peak Comment
  CAS-BOT-BC209769  Cornus glabrata Carl B. Wolf 1932-5-13 3617 Los Angeles Santa Catalina Island. Hamilton Canyon, left fork, 200 ft. above forks 121 Comment
  CATA1795  Cotoneaster pannosus Benjamin E. Carter 2012-8-23 6979 Los Angeles Santa Catalina Island: Middle Ranch Canyon, at Pump Station 2 309 Comment
  UCR170452  Cotoneaster pannosus Alex R. Van Dam 2004-5-16 010 Los Angeles Western Transverse Range; Santa Monica Mtns., Franklin Canyon Park near the main parking lot on a slightly graded N-facing slope 280 Comment
  JEPS30650  Cotula australis Peter H. Raven 1959-3-1 13819 Los Angeles Vermont Canyon Santa Monica Mountains, Griffith Park 243 Comment
  RSA675002  Cotula australis LeRoy Gross 2003-2-22 732 Los Angeles South side; A short distance up mouth of Brand Canyon, south next to Brand Canyon Cemetery. North of the Debris Basin. 287 Comment
  UC166236  Cotula australis George B. Grant 1905-4-3 224 -6460 Los Angeles Collected at Pasadena Comment
  UC69647  Cotula australis T. W. Minthorn 1905-2-2 5 Los Angeles Los Angeles Comment
  RSA509593  Crassula connata L. C. Wheeler 1967-5-13 9528 Los Angeles San Gabriel Canyon, Ward's Grove. 262 Comment
  RSA0045233  Crassula connata var. connata R. G. Swinney 2010-3-11 11870 Los Angeles flood plain surrounding Haines Canyon wash, from the I-210 Fwy. in the east, where it crosses wash, to 0.5 mi. west at junction with Big Tujunga Wash 348 Comment
  SD107910  Crocanthemum scoparium var. vulgare Larry DeBuhr 1977-4-16 2579 Los Angeles Santa Catalina Island; northwest side of Black Jack, along road to White's Landing. Comment
  POM155646  Crossosoma californicum D. Meadows 1927-12-4 305 Los Angeles Avalon, Santa Catalina Island. Comment
  RSA151127  Crossosoma californicum P. H. Raven 1962-4-10 17250 Los Angeles Above Wilson Cove. San Clemente Island. 107 Comment
  RSA640987  Crossosoma californicum R. F. Thorne 1975-3-22 45761 Los Angeles Santa Catalina Island: North slope of Blackjack Mountain, above Blackjack Camp. 518 Comment
  UCD65150  Crossosoma californicum G. L. Webster; M. Hoeff, R. Thorne, J. M. Tucker 1992-3-30 7753 Los Angeles CATALINA ISLAND: Avalon, steep slopes with patches of chaparral, Upper Las Lomas Road. 50 Comment
  LA201911  Croton californicus Arthur C. Gibson; 2003-6-14 4980 Los Angeles Simi Hills, NW edge Chatsworth Reservoir just E of Valley Circle Blvd, near Chatsworth Lake Manor Comment
  RSA621022  Croton californicus L. C. Wheeler 1965-12-4 s.n. Los Angeles San Gabriel Mountains.: Arroyo Seco, in vicinity of Pine Canyon. Comment
  UC520023  Croton californicus Joseph Andorfer Ewan 1932-5-19 7546 Los Angeles along base of hills near power house; Playa del Rey Comment
  UCR191786  Cryptantha R. G. Swinney 1998-7-8 6335 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat 2280 Comment
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Dec 6 2018
  UCR220051  Cryptantha R. G. Swinney 2009-4-24 10448 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
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Feb 19 2020
  CAS-BOT-BC189390  Cryptantha circumscissa Ira L. Wiggins 1966-4-15 20591 Los Angeles Immediately E of J. F. L. Motel, Pearblossom. Mohave [Mojave] Desert Comment
  RSA600810  Cryptantha circumscissa L. C. Wheeler 1967-5-24 9739 Los Angeles San Gabriel Mountains. Indian Canyon, near mouth. 701 Comment
  UC573069  Cryptantha circumscissa H. L. Mason 1932-4-1 6868 Los Angeles 1 mi e Lancaster; Mojave Desert Comment
  UCR209485  Cryptantha echinella R. G. Swinney 2008-6-17 9029 Los Angeles San Gabriel Mountains, 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1992 Comment
  JEPS18520  Cryptantha intermedia Rimo Bacigalupi 1957-5-12 5878 Los Angeles 0.25 mi above U.S. Army Nike launching site (on slopes above Las Flores Canyon (on so-called Malibu Burn)); Santa Monica Mts. 274 Comment
  RSA202473  Cryptantha intermedia R. L. Armacost 1963-5-7 1629 Los Angeles Tapia Park, Santa Monica Comment
  RSA710701  Cryptantha intermedia Valerie Soza, Susan Caplow 2003-4-11 1633 Los Angeles Brand Park vicinity, upper Brand Canyon, alongside Brand Park Mtwy. 549 Comment
  RSA783079  Cryptantha intermedia Pam De Vries 2011-4-20 7778 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
  UC78524  Cryptantha intermedia C. F. Baker 1904-5-5 4769 Los Angeles Claremont Comment
  SDSU5426  Cryptantha intermedia R. M. Beauchamp 1967-1-28 148 Los Angeles Growing in field one mile north of China Point. San Clemente Island. Comment
  UC61135  Cryptantha micrantha J. Burtt Davy May 9 1896-May 24 1896 2287 Los Angeles Lancaster Antelope Valley Comment
  RSA657162  Cryptantha micromeres Joseph M. Keefe 1978-4-28 22845 A Los Angeles Verdugo Mountains; Henderson Canyon, Mesa Lila Fire Road, 1 Km west of El Lado Road, under Edison Power Line, La Crescenta. 488 Comment
  UCR178899  Cryptantha microstachys R. G. Swinney 1989-5-20 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park, 1 mi. east of Glendora Mountain Road on Big Dalton Canyon Road 427 Comment
  UCR216554  Cryptantha microstachys Dan S. Cooper 2010-5-10 510- 57 B Los Angeles Western Transverse Range; eastern Santa Monica Mtns., upper Oak Canyon, Griffith Park 221 Comment
  RSA0078912  Cryptantha muricata var. muricata T. S. Ross, Steve D. Boyd, Peter Fritsch 1990-6-8 2956 a 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
  RSA0079581  Cryptantha muricata var. muricata Gary D. Cromwell 1971-5-14 639 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mtns. 2 mi, E of Glendora. 442 Comment
  UC2049430  Cryptantha nevadensis var. rigida LeRoy Gross with Joy England, Naomi Fraga 2016-4-21 7555 Los Angeles Transverse Ranges; San Gabriel Mountains region: Arrastre Canyon. Started near mouth of canyon, near 34.44397N, 118.20032W . Ended on top of a small knoll, near 34.43011N, 188.18667W. Acton 7.5' Quad. Comment
  RSA0079525  Cryptantha pterocarya var. pterocarya R. G. Swinney 2008-5-5 8769 Los Angeles Punchbowl Canyon at north boundary of Devils Punchbowl County Park, confluence of East and West Forks of Punchbowl Cyn, 0.3 mi. south of Big Rock Creek 1256 Comment
  UCR270499  Cryptantha pterocarya var. pterocarya R. G. Swinney 2011-4-1 14289 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
  POM368256  Cryptantha simulans Anstruther Davidson 1915-8-1 3085 Los Angeles Camp Baldy. Comment
  SEINET10625773  Cucurbita pepo Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3772 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  UCR205523  Cupaniopsis anacardioides A. C. Sanders, T. B. Salvato 2009-5-19 36814 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  UCR146260  Cupressus guadalupensis var. forbesii Steve Boyd, Lee W. Lenz 2001-5-2 10425 Los Angeles Transverse Ranges; Liebre Mountains region, Warm Springs Mountain, along road to summit, just west of cutoff to Necktie Basin on slope between road and steep escarpment into Warm Springs Canyon Comment
  RSA703162  Cuscuta Scott D. White 2004-8-11 10700 Los Angeles San Gabriel Mountains: About 8 air miles west - northwest of Wrightwood. East of Fenner Saddle Rd. on Pacific Crest Trail. 2073 Comment
  UCR179974  Cuscuta R. G. Swinney 1996-8-7 5218 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half of Brown's Flat 1341 Comment
  RSA733987  Cuscuta D. M. McFadden 1955-1 s.n. Los Angeles Lakewood Village. 30 Comment
  RSA0081772  Cuscuta californica R. G. Swinney 2010-6-23 13323 Los Angeles Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin. 341 Comment
  RSA127922  Cuscuta californica H. J. Thompson, P. H. Raven 1959-6-4 14327 Los Angeles Point Dume. 45 Comment
  SEINET3093866 Image available Cuscuta californica A. C. Sanders 1987-6-10 7121 Los Angeles El Segundo Dunes at W end of the Los Angeles International Airport [LAX] 30 Comment
  POM305695  Cuscuta californica Henry J. Ramsey, Henry J. Ramsey 1937-8-29 971 Los Angeles Altadena. 396 Comment
  RSA409682  Cuscuta californica Albert J. Perkins 1912-10-20 s.n. Los Angeles Santa Anita Canyon, Sierra Madre. Comment
  RSA409684  Cuscuta californica H. de Forest, Johnstone 1925-3-16 s.n. Los Angeles Hollywood Comment
  RSA597032  Cuscuta californica var. californica T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3846 Los Angeles Ridgetop to the W of Crystal Lake [ridge descending SSW from Mt. Islip] 1866 Comment
  RSA0077384  Cuscuta californica var. californica Orlando Mistretta 1992-8-20 763 Los Angeles Transverse Ranges; San Gabriel Mts region: Mt. Gleason Management Unit. Mt. Gleason. Tujunga Ranger District. Comment
  SEINET12277952  Cuscuta ceanothi J. F. Bright, Wyman, C. 1931-1 5706 Los Angeles Hollywood Comment
  RSA0051618  Cuscuta indecora Lee Haines 1950-07 s.n. Los Angeles Lancaster-Antelope Valley. Comment
  RSA234451  Cuscuta reflexa James Henrickson 1969-10-30 4868 -C Los Angeles Campus of California State College Comment
  RSA0042387  Cylindropuntia echinocarpa R. G. Swinney 2009-11-13 11605 Los Angeles Confluence of Little Rock Creek and Carr Canyon, N of Mt. Emma Rd. 909 Comment
  UCR205562  Cynodon dactylon R. G. Swinney 2008-5-30 8886 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  CAS-BOT-BC190270  Cynodon dactylon Henry J. Thompson 1959-5-24 1987 Los Angeles Santa Monica Mountains. 0.3 mile north of Coast Highway, Tuna Canyon. 45 Comment
  RSA482380  Cyperus eragrostis Richard Noyes 1988-8-24 632 Los Angeles Claremont. Intersection of Mills Ave. and Baseline Ave. 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
  POM264733  Cyperus esculentus L. C. Wheeler 1932-9-14 1381 Los Angeles 2 miles N [of] Covina. 152 Comment
  RSA773303  Cystopteris fragilis R. G. Swinney 2009-6-3 11055 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  CATA1480  Dactylis glomerata Mark L. Hoefs, Steven A. Junak 1996-4-30 2681 Los Angeles Santa Catalina Island: By road past Parson's Junction, toward west end, just before Starlight Beach 152 Comment
  SD69565  Dactylis glomerata Robert F. Thorne 1966-6-1 36487 Los Angeles Santa Catalina Island; lawn of St. Catherine's Hotel, north of Avalon 4 Comment
  UCR108458  Dactylis glomerata L. C. Wheeler 1975-9-22 s.n. Los Angeles San Gabriel Mtns., Susanna Canyon, 0.25 mi upstream from the mouth [San Gabriel Reservoir] Comment
  RSA230221  Datisca glomerata R. F. Thorne 1969-7-2 38326 Los Angeles Angeles National Forest; Cedar springs ca. 1/2 mile E of Kratka ridge along Angeles Crest Hwy 2072 Comment
  RSA595925  Datisca glomerata Lauren Raz, S. D. Boyd 1996-10-23 036 Los Angeles Liebre Mountains. Ruby Canyon, east of junction of Forest Service Road 6N24 with Lake Hughes Road. 609 Comment
  UC1125099  Datura stramonium Jerome S. Horton 1938-11-15 525 Los Angeles San Dimas Dam; Pomona Quad., San Dimas Dam Comment
  UCSC000703  Datura stramonium var. stramonium Louis C. Wheeler 1932-8-17 1138 Los Angeles 2 mi. N Claremont. Sandy soil in Citrus grove Claremont, Citrus grove 411 Comment
  JEPS12292  Datura wrightii Elizabeth Day Palmer 1908-8-4 Los Angeles Tolguacha Comment
  RSA549593  Datura wrightii Tim S. Ross 1992-4-27 6239 Los Angeles Claremont: S side of Indian Hill mesa, SW of RSA grounds 393 Comment
  POM155754  Daucus pusillus M. B. Dunkle 1928-4-22 1890 Los Angeles Buttonshell, Santa Catalina Island. 30 Comment
  POM50352  Daucus pusillus L. R. Abrams 1901-4-11 1488 Los Angeles Santa Monica Canyon, Santa Monica Mountains. Comment
  RSA188228  Daucus pusillus R. F. Thorne, P. Everett 1965-6-22 34879 Los Angeles Santa Catalina Island. Upper portion of Avalon Canyon along roadside 274 Comment
  UCR127196  Daucus pusillus A. C. Sanders, Mark A. Elvin, and others 2003-5-1 26282 Los Angeles Western San Gabriel Mtns., NE side of Castaic Mesa, c. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch 457 Comment
  UC1194906  Deinandra clementina Reid Moran 1958-9-15 6837 Los Angeles Wilsons Cove San Clemente Island, Wilsons Cove 50 Comment
  CAS-BOT-BC299304  Deinandra fasciculata Fordyce Grinnell 1916-6-16 s.n. Los Angeles Santa Susanna Pass Comment
  CAS-BOT-BC299305  Deinandra fasciculata Grant 1902-8-6 5035 Los Angeles Avalon Comment
  UC53932  Deinandra fasciculata J. Burtt Davy 1901-6-1 7773 Los Angeles Redondo Comment
  UC89082  Deinandra fasciculata M. K. Curran 1885-7-1 Los Angeles Downey Comment
  SBBG17787  Deinandra fasciculata P. H. Raven 1962-7-11 17994 Los Angeles N of station Nanny, N of Lemon Tank Comment
  CAS-BOT-BC291904  Deinandra pallida Ynez Whilton Winblad 1937-4-23 s.n. Los Angeles Ridge Route, n. Los Angeles Co. Comment
  UC2058823  Delphinium Robert F. Thorne, M. Z. Thorne 1969-7-10 38433 Los Angeles San Gabriel Mountains, Angeles National Forest. Transverse ranges; 1.5 miles W of Wrightwood. Comment
  LA201918  Delphinium cardinale Arthur C. Gibson; 2003-7-18 4912 Los Angeles 350 Comment
  UC1375445  Delphinium glaucum Robert F. Thorne 1971-8-25 41259 Los Angeles Lily Spring San Gabriel Mts., Angeles National Forest, Mt. Hawkins (nw slope of mt) Comment
  CAS-BOT-BC116281  Delphinium parryi subsp. parryi H. D. Ripley; R. C. Barneby 1941-3-24 3188 Los Angeles Playa del Rey 9 Comment
  RSA0030025  Delphinium patens subsp. montanum F. W. Peirson 1919-6-14 50 Los Angeles Rock Creek, San Gabriel Mountians. 1982 Comment
  RSA0030038  Delphinium patens subsp. montanum Orlando Mistretta, Tim S. Ross 1994-6-1 1300 Los Angeles San Gabriel Mountains: Santiago Canyon. 1610 Comment
  LA200714  Dendromecon rigida Jonathan Sauer; H. N. Sauer, H. Bailey 1969-3-4 4387 Los Angeles Comment
  LA200719  Dendromecon rigida A. L. Beatty; 1940-4-22 sn Los Angeles Santa Monica Mountains, Franklin Canyon Comment
  PASA446  Dendromecon rigida Margaret Stason 1931-3-21 Los Angeles San Francisquito Canyon Comment
  UC54696  Dendromecon rigida L. A. Greata May, 1903 314 -316 Los Angeles Arroyo Seco Comment
  CAS-BOT-BC192748  Deschampsia danthonioides I. Johnston 1917-4-11 s.n. Los Angeles Nigger Slough Comment
  SD197725  Descurainia pinnata R. G. Swinney 2008-5-2 8739 Los Angeles San Gabriel Mountains; Big Rock Creek at Paradise Springs, on cmapground property. 1000 Comment
  UCR205827  Descurainia pinnata R. G. Swinney 2008-5-8 8794 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  POM305049  Descurainia pinnata Henry J. Ramsey, Henry J. Ramsey 1937-1-8 373 Los Angeles Altadena, Craig Ave Comment
  RSA0115412  Dicentra chrysantha R. G. Swinney 2010-10-5 13994 Los Angeles San Gabriel Mountains; east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons. 549 Comment
  RSA600013  Dicentra chrysantha Steve Boyd, Lauren Raz 1997-5-29 9925 Los Angeles Liebre Mountains region: North base of Portal Ridge, north of the San Andreas Rift Zone at the edge of the Antelope Valley, upper mouth of Cow Spring Canyon along the Pacific Crest Trail. 1128 Comment
  RSA703517  Dicentra chrysantha Michael Honer 2004-6-22 2000 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon and 'Hog Back.' 854 Comment
  UCR125417  Dichelostemma capitatum A. C. Sanders, Mark Elvin 2003-3-5 25739 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Exon Mesa,' due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River 335 Comment
  RSA612069  Dichelostemma capitatum subsp. capitatum Valerie L. Soza 1998-4-26 80 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. 411 Comment
  UCR281621  Dichelostemma capitatum subsp. capitatum R. G. Swinney 2014-5-19 16582 Los Angeles San Gabriel Mountains, Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Motorway 515 Comment
  CDA1976  Digitaria decumbens G. C. Fleischman 1993-9-9 Los Angeles Pasadena. 0 Comment
  POM1057  Digitaria sanguinalis Fred Cox 1916-4-15 746 Los Angeles Mountains above Claremont, [San Gabriel Mountains]. Comment
  RSA0062640  Digitaria sanguinalis A. E. Hersh 1950-7-10 s.n. Los Angeles Garden, 4111 Wade Street, Venice. 30 Comment
  CAS-BOT-BC153053  Diplacus fremontii Ernest Braunton 1904-5-1 913 Los Angeles Glendale to Burbank Comment
  RSA0036283  Diplacus longiflorus Bill Duval s.n. Los Angeles San Rafael Hill. Comment
  RSA750207  Distichlis spicata R. G. Swinney 2005-7-21 8318 Los Angeles Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  RSA0087133  Distichlis spicata M. B. Dunkle 1939-4-7 7331 Los Angeles San Clemente Island. Pyramid Cove. Comment
  RSA0001937  Dithyrea maritima Anstruther Davidson 1892-1 1865 Los Angeles Redondo. Comment
  UCR17578  Dodecatheon clevelandii George B. Grant 1904-1 304 Los Angeles San Gabriel Valley, City of Pasadena Comment
  RSA69024  Dodecatheon clevelandii subsp. clevelandii F. W. Peirson 1919-2-9 321 Los Angeles Fish Canyon, San Gabriel Mts. 305 Comment
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Dec 10 2014
  LA200089  Dryopteris arguta Lawrence L. Kiefer; 1966-3-12 1715 Los Angeles SANTA MONICA MOUNTAINS, Tuna Canyon, ca 1.5 mi from mouth of canyon. 213 Comment
  LA200114  Dryopteris arguta Lawrence L. Kiefer; 1966-4-10 1858 Los Angeles SANTA MONICA MOUNTAINS, Franklin Canyon, ca 2 mi S of Mulholland Dr. 243 Comment
  LA200119  Dryopteris arguta Lawrence L. Kiefer; 1966-3-20 1768 Los Angeles SANTA MONICA MOUNTAINS, Big Rock Road at Malibu Heights. 60 Comment
  POM820  Dryopteris arguta P. A. Munz 1918-3-28 2000 Los Angeles Canyon near Palmer's Canyon. Comment
  RSA649985  Dryopteris arguta Eldon Winterbourne s.n. Los Angeles Turnbull canyon, no. of Puente. 304 Comment
  RSA654360  Dryopteris arguta Valerie L. Soza, Ileene Anderson, LeRoy Gross 2000-6-6 989 Los Angeles Verdugo Mountains, southwest side: Along Verdugo Mtwy, E of junction with Stough Canyon Mtwy, above Stough Canyon, NE side of peak ''2646''. 762 Comment
  SFV20840  Dryopteris arguta L. Gross 2003-2-22 741 Los Angeles Verdugo Mountains South side of Verdugo Mountains along Brand Canyon. Above the falls area up the west fork drainage area of Brand Canyon. Along east side above canyon bottom. 479 Comment
  RSA517127  Dryopteris arguta Tim Ross, Steve Boyd 1990-5-14 2500 Los Angeles Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District 988 Comment
  SFV15595  Dryopteris arguta K. A. Wilson, R. J. Gustafson 1994-5-13 2413 Los Angeles Santa Monica Mountains Upper Franklin Canyon Reservoir. Comment
  RSA727250  Dudleya cymosa R. G. Swinney 1998-6-12 6190 Los Angeles San Gabriel Mtns.: SW of Pinon Hills, 0.2 mi. due east of reservoir of mouth of Mescal Canyon. 1448 Comment
  RSA653413  Dudleya cymosa subsp. agourensis R. E. Riefner 2000-8-16 20 -737 Los Angeles Agoura Hills, Cornell Road near Agoura Road. Comment
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May 8 2014
  CAS-BOT-BC109682  Dudleya cymosa subsp. marcescens K. Nakai 1982-1-1 854 Los Angeles Santa Monica Mountains, in canyon north and west of Mulholland Highway, south of Seminole Hot Spring. 365 Comment
  RSA640879  Dudleya cymosa subsp. pumila L. C. Wheeler 1967-8-8 10368 Los Angeles San Gabriel Mountains, Angeles National Forest: East Fork of Alder Creek at Chilao Flat 1555 Comment
  CAS-BOT-BC428400  Dudleya lanceolata K. Nakai 1980-5-25 609 Los Angeles Santa Monica Mountains, Arroyo Sequit in UCLA-NLWRS Reserve next to Camp JCA (Jewish Community Association) ca. 2.5 KM south of Junction of Mulholland Hwy. and Little Sycamore Rd. on Mulholland Hwy. 290 Comment
  UC147127  Dudleya lanceolata E. Braunton May, 1903 Los Angeles Los Angeles Comment
  POM365256  Echinochloa crus-galli Harry H. Stone 1936-3-22 s.n. Los Angeles South Gate School. Comment
  RSA699824  Ehrharta erecta R. E. Riefner 2000-8-29 0 -764 Los Angeles La Tuna Canyon, N of La Tuna Canyon Rd., along La Tuna Creek S of 210 Freeway and approx. 1.5 mi W of Freeway intersection. 462 Comment
  RSA0115818  Ehrharta erecta Steven A. Junak 1999-7-17 SCa- 1071 Los Angeles Santa Catalina Island. At Middle Ranch, Janet Takara's house, N side of house. 213 Comment
  NY786018  Elaeagnus angustifolia T. S. Ross 1990-6-18 3496 Los Angeles San Gabriel Mountains. Big Pines Highway, ca. 900 m ESE from Jackson Lake, just on the W side of upper Mescal Creek drainage 1877.6 Comment
  SD215477  Elaeagnus angustifolia Timothy S. Ross, Steve Boyd 1990-6-18 3496 Los Angeles Big Pines Highway: Roadside circa 900meter East-southeast from Jackson Lake, just on the West side of upper Mescal Creek drainage. 1876 Comment
  RSA651587  Eleocharis montevidensis Marion P. Harthill 1974-5-23 1512 Los Angeles Crystal Lake Road. Highway. 39. 1494 Comment
  SEINET3911387  Eleocharis montevidensis Timothy S. Ross, Steve Boyd 1994-5-24 7839 Los Angeles Cottonwoodd Swamp': confluence of San Francisquito Canyon stream and two tributaries draining off the southeast slopes of Red Mountain. Warm Springs Mountain 7.5' USGS Quadrangle. dissected by San Francisquito canyon Road.; 0 512 Comment
  SEINET7586930 Image available Eleocharis parishii Steve Boyd, Mike Wall 1996-5-16 8788 Los Angeles Liebre Mountains, Ruby Canyon upstream from confluences with Elizabeth Lake Canyon at northwest end of Red Mountain, along Ruby Canyon Road ca 0.9 mi E of jtn with Lake Hughes Road. 622 Comment
  UC1971609  Elymus condensatus Louis C. Wheeler 1973-7-15 s.n. Los Angeles SAN GABRIEL MOUNTAINS: Doe Flat; Graveyard Canyon. Comment
  UCR190726  Elymus elymoides R. G. Swinney 1999-7-5 7504 Los Angeles San Gabriel Mtns., head of Cedar Canyon, ridge c. 200 m north of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2 2323 Comment
  RSA0094556  Elymus elymoides subsp. elymoides Richard G. Swinney 2011-6-6 15009 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  RSA760856  Elymus glaucus R. G. Swinney 2008-9-10 9420 Los Angeles South Fork Big Rock Creek 1463 Comment
  CAS-BOT-BC206752  Elymus glaucus subsp. glaucus H. M. Hall 1901-6-20 2207 Los Angeles South side San Jacinto Mountains. 1645 Comment
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Oct 10 2020
  RSA628380  Elymus glaucus subsp. glaucus Scott D. White, Dave Bramlet 1998-6-29 6824 Los Angeles West of Mt. Islip: just above eastern boundary of San Gabriel Wilderness. Ca. 4-mile closed section of Highway 39 from ca. 1.6 miles W of junction Crystal Lake access road to junction Highway 2. 1707 Comment
  RSA641379  Elymus glaucus subsp. jepsonii Orlando Mistretta 1995-6-23 1829 Los Angeles San Gabriel Mountains: Lookout Mt. Trail. Orobanche valida survey site 2. 1829 Comment
  SEINET13203278 Image available Elymus hispidus R. G. Swinney 2011-1 14792 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), near entrance gate to camp, 0.54 miles at 84 deg. SSE of Jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Colby Cyn. (Chilao Flat 7.5' Q.) (T3N R12W S35) 1018 Comment
  RSA171988  Emmenanthe penduliflora Robert F. Thorne 1963-5-15 31684 Los Angeles 1 mile W of Los Angeles Co. line on Route 138, ca. 2 miles W of Desert Springs 1220 Comment
  RSA654014  Emmenanthe penduliflora var. penduliflora Valerie L. Soza, Laura Moore 2000-5-10 848 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines, W of peak ''1936''. 564 Comment
  SD253464  Emmenanthe penduliflora var. penduliflora R. G. Swinney 2011-5-31 14926 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek (Chilao Flat 7.5'Q) 1096 Comment
  UCR273149  Emmenanthe penduliflora var. penduliflora R. G. Swinney 2011-5-6 14609 Los Angeles San Gabriel Mountains, north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road 854 Comment
  POM122344  Endolepis covillei Marcus E. Jones 1924-9-14 s.n. Los Angeles Lancaster. Comment
  UCR129492  Ephedra nevadensis David Charlton 1990-5-12 4224 Los Angeles Mojave Desert, Kentucky Springs, Sierra Highway, northern edge of Angeles National Forest 1037 Comment
  UCSB258  Ephedra nevadensis Bobkowski, Jr., Vincent 1960-5-13 Los Angeles 1 mile west of Pear Blossom, California; on California Highway 138 under High Power lines Comment
  RSA0041816  Ephedra nevadensis Robert F. Thorne, Dick Tilforth 1978-6-21 52330 Los Angeles San Gabriel Mountains: N of Bob's Gap. Comment
  RSA725122  Ephedra viridis Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -110 Los Angeles N side of the San Gabriel Mountains. Right at the North End of Bob's Gap. 1433 Comment
  RSA725124  Ephedra viridis Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -37 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  RSA782805  Epilobium campestre A. C. Sanders, Dan S. Cooper 2010-8-5 38535 Los Angeles Madrona Marsh Preserve, Torrance 24 Comment
  UCR179278  Epilobium canum R. G. Swinney 1989-8-5 s.n. Los Angeles San Gabriel Mtns., base of the mtns. near the city of Glendora; Glendora Ridge Motorway, 0.5 mi west of Glendora Mountain Rd. 732 Comment
  CAS-BOT-BC166222  Epilobium canum subsp. canum F. Grinnell Jr. 1928-9-14 s.n. Los Angeles Mt. Wilson 1524 Comment
  CAS-BOT-BC166470  Epilobium canum subsp. canum Herman Knoche 1919-6-25 Series A, No. 710 Los Angeles Avalon, Catalina Island Comment
  POM134457  Epilobium canum subsp. canum Martha Hilend 1926-10 s.n. Los Angeles Big Dalton Canyon. Comment
  SDSU8890  Epilobium canum subsp. canum A. H. Gallup 1947-10-13 61 Los Angeles Below Morris Dam in San Gabriel Canyon 732 Comment
  UC206230  Epilobium canum subsp. canum Katharine Brandegee May 1916 Los Angeles Santa Catalina Island Comment
  LA206130  Epilobium canum subsp. latifolium F. R. Fosberg; Joseph Andorfer Ewan 1931-8-11 4985 Los Angeles San Gabriel Mountains, 1 mi. above Big Cienega, Islip Trail 2057 Comment
  RSA0116571  Epilobium canum subsp. latifolium R. G. Swinney 2010-9-30 13932 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
  RSA774176  Epilobium canum subsp. latifolium R. G. Swinney 2009-7-22 11322 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 Comment
  UCR100435  Epilobium ciliatum Scott D. White 1992-10-8 895 Los Angeles Western Transverse Range; Santa Monica Mtns., Malibu, just north of Pacific Coast Hwy (= Calif. Hwy 1), extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School 91 Comment
  UCR190916  Epilobium ciliatum R. G. Swinney 1998-7-10 6365 Los Angeles San Gabriel Mtns., confluence of Bear Gulch and Prairie Fork Canyon, south side of canyon along Prairie Fork stream 1488 Comment
  POM156320  Epilobium ciliatum subsp. ciliatum L. R. Abrams 1902-7-1 2617 Los Angeles Little Santa Anita Canyon 914 Comment
  UCSB24354  Epilobium glaberrimum Peirson, Frank 1921-7-17 Los Angeles Prairie Fork, San Gabriel River, San Gabriel Mountains 2011 Comment
  RSA646953  Epilobium glaberrimum subsp. glaberrimum Orlando Mistretta 1993-7-6 926 Los Angeles Buckhorn Canyon, near exit to Buckhorn Canyon Campground. Comment
  UC1520439  Epipactis gigantea George Henry Grinnell 1923-5-28 Los Angeles Topanga Canyon Comment
  UC429310  Epipactis gigantea Geo. B. Grant June, 1904 Los Angeles Eagle Rock Canyon Pasadena Comment
  UCR259092  Equisetum hyemale R. G. Swinney 2010-10-15 14061 Los Angeles San Gabriel Mountains, from Little Tujunga Wash at the I-210 Fwy, to the east end of Hansen Lake 329 Comment
  SEINET13203282 Image available Equisetum laevigatum R. G. Swinney 2011-1 14757 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned "Milley's Apple Orchard" (Chilao Flat 7.5' Q.) (T3N R12W S35) 911 Comment
  UCR149532  Equisetum laevigatum R. G. Swinney 1997-7-17 5681 Los Angeles San Gabriel Mtns., west of Wrightwood, meadow at Big Pines, south of junction of Hwy 2 and Big Pines Hwy 2061 Comment
  UCR189892  Equisetum laevigatum R. G. Swinney 1998-7-21 6462 Los Angeles San Gabriel Mtns., upper Fish Fork drainage, c. 200 m east of Little Fish Fork Campground 2049 Comment
  RSA792245  Eragrostis mexicana A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37017 Los Angeles San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 92 Comment
  RSA594309  Eremocarpus setiger Steve Boyd, Lauren Raz 1996-10-14 9041 Los Angeles Liebre Mountains region, Agua Dulce Canyon, just north of Highway 14 and the confluence with Escondido Canyon, along Agua Dulce Canyon Road. 671 Comment
  UC535337  Eremocarpus setiger Ira W. Clokey, B. Templeton Aug. 1929 4599 Los Angeles Westwood Santa Monica Mountains, Mandeville Canyon 200 Comment
  RSA0034377  Eremogone macradenia var. arcuifolia R. F. Thorne, C. W. Tilforth 1971-6-30 40795 Los Angeles San Gabriel Mts., Angeles National Forest: Desiccated branch of S fork of Little Rock Creek, 1.8 miles below Alder Saddle in Pinyon Flats area. 1555 Comment
  UCR193669  Eriastrum R. G. Swinney 1999-6-28 7433 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, near old [abandoned] homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  RSA0019894  Eriastrum densifolium subsp. austromontanum Orlando Mistretta, Youssef Atallah 2011-8-12 6032 Los Angeles Aliso Cyn, 1.8 miles West of Jct. of Aliso Cyn Road and Angeles Forest Hwy. On bench above Aliso Creek. 1083 Comment
  RSA0106909  Eriastrum densifolium subsp. austromontanum R. G. Swinney 1998-7-2 6247 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  CAS-BOT-BC514260  Eriastrum densifolium subsp. austromontanum Katharine Brandegee June--Aug (no year) s.n. Los Angeles Ravenna Comment
  UCR108211  Eriastrum rosamondense Steve Boyd, Kent Hughes 1998-5-5 10189 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
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Mar 29 2014
  RSA0122860  Eriastrum sapphirinum subsp. brevibracteatum R. G. Swinney 2001-6-2 7964 Los Angeles Mojave Desert: Juniper Hills area, plateau on east side of Cruthers Creek, 1.3 mi. south of Devils Punchbowl Rd. 1402 Comment
  CAS-BOT-BC514959  Eriastrum sapphirinum subsp. dasyanthum C. F. Baker 1908-12-15 5239 Los Angeles Claremont Comment
  RSA93275  Ericameria cooperi F. W. Peirson 1921-5-19 1245 Los Angeles Little Rock Creek 945 Comment
  RSA747363  Ericameria cuneata Orlando Mistretta 1994-7-12 1397 A Los Angeles Transverse Ranges; San Gabriel Mtns region: Along trail, S. Fork of Big Rock Creek. Surveying from Reed Spring to Islip Saddle. Near Reed Spring 1829 Comment
  SBBG62602  Ericameria cuneata C. M. Hoak, M. N. Ackley 1930-12-7 195 Los Angeles Big Tujunga Lake 609 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
  RSA191192  Ericameria linearifolia R. F. Thorne, M. Z. Thorne 1967-7-19 37142 Los Angeles San Gabriel Mts., Angeles National Forest, Crytal Lake Recreation Area: just above junction of roads to Crystal Lake and Angeles Crest Hwy. 1555 Comment
  SD68990  Ericameria linearifolia Robert F. Thorne, Lindsay Smith 1966-5-28 36377 Los Angeles North of the San Gabriel Mountains along Highway 136; 2 miles west northwest of Phelan. 1220 Comment
  CAS-BOT-BC299021  Ericameria nauseosa var. hololeuca Ralph Hoffman 1929-10-27 s.n. Los Angeles Near Acton, Mint Canyon Comment
  SD69872  Ericameria pachylepis Robert F. Thorne, D. Propst 1968-5-27 37622 Los Angeles Santa Catalina Island; Skull Canyon between Cape and Middle Canyons. 245 Comment
  CATA2070  Ericameria palmeri var. pachylepis Steven A. Junak, Mark Hoefs, Keri Kirkland 1998-10-22 Los Angeles Santa Catalina Island: Along Silver Peak Road, about 2 miles E of intersection with Boushay Road 432 Comment
  POM359448  Ericameria parishii var. parishii Albert J. Perkins 1928-09 s.n. Los Angeles Clear Creek Trail, Sierra Madre Mountains Comment
  LA202514  Ericameria pinifolia Louis C. Wheeler; 1931-10-17 260 Los Angeles San Gabriel Mountains, Thompson Creek Wash 411 Comment
  POM39773  Ericameria pinifolia H. E. Hasse 1890-09 s.n. Los Angeles Sierra Santa Monica. [Santa Monica Mountains]. Comment
  RSA756952  Ericameria pinifolia Orlando Mistretta, Christine Mistretta 2008-4-17 2477 Los Angeles Southern California transmission line tower (Segment 6, Structure 24 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1301 Comment
  UCR179972  Erigeron breweri R. G. Swinney 1996-8-7 5216 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half of Brown's Flat 1341 Comment
  POM357452  Erigeron divergens Anstruther Davidson 1910-1 2508 Los Angeles Hollywood. Comment
  JEPS41758  Erigeron divergens Frank W. Peirson 1921-7-16 2500 Los Angeles Prairie Fork San Gabriel Mts., San Gabriel River-Prairie Fork 1554 Comment
  RSA0082875  Erigeron foliosus R. G. Swinney 2011-7-21 15544 Los Angeles Strawberry Peak summit. 1860 Comment
  RSA747413  Erigeron foliosus R. G. Swinney 2008-6-9 8964 Los Angeles lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  SBBG14462  Erigeron foliosus var. foliosus H. and M. Dearing 1944-10-5 5899 Los Angeles Chilao 1524 Comment
  UC205625  Erigeron foliosus var. foliosus I. M. Johnston 1917-8-22 1892 Los Angeles Pine Mt., San Antonio Mountains Comment
  CAS-BOT-BC174667  Erigeron foliosus var. stenophyllus Timothy S. Ross; Steve Boyd; Steve Burns 1994-7-7 8125 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1708 Comment
  RSA584767  Eriodictyon crassifolium var. crassifolium Tim S. Ross 1992-7-17 6738 Los Angeles Saddle between Fox (triangulation point, 5033-ft) and the knoll ESE of it, on the steep divide between Fox Creek and Vogel Canyon. 1476 Comment
  UC1124354  Eriodictyon crassifolium var. nigrescens G. T. Nordstrom 1935-5-10 574 Los Angeles 1 mi ne Blue Point; Tejon Quad., ne of Blue Point Comment
  POM296759  Eriodictyon trichocalyx Lyman Benson 1945-5-11 11688 Los Angeles Indian Hill, Claremont. Pacific Slope Drainage Area. 396 Comment
  RSA455077  Eriodictyon trichocalyx Bonnie C. Templeton 1930-6-11 1098 Los Angeles Franks [Franklin] Canyon, near Mulholland Drive Comment
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Jan 12 2008
  CAS-BOT-BC219334  Eriodictyon trichocalyx var. trichocalyx Geo. B. Grant 1902-6-25 s.n. Los Angeles San Gabriel Canon [Canyon] 457 Comment
  CAS-BOT-BC219335  Eriodictyon trichocalyx var. trichocalyx Thompson 1919-12-1 s.n. Los Angeles Noble's ranch, Valyermo Comment
  RSA191142  Eriodictyon trichocalyx var. trichocalyx Robert F. Thorne 1967-7-19 37153 Los Angeles Angeles National Forest: Above Crystal Lake Recreation Area between Deer Flat Campground and Big Cienega Springs. 1951 Comment
  UCR213546  Eriogonum angulosum Michael Honer 2003-7-8 1844 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
  UCR91413  Eriogonum cinereum Scott D. White 1995-3-15 2550 Los Angeles South Coast, Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon Road, SW of Malibu Civic Center Way 91 Comment
  CAS-BOT-BC242774  Eriogonum davidsonii Le Roy Abrams 1901-7-1 1889 Los Angeles West Fork of San Gabriel Riv. Comment
  CAS-BOT-BC242775  Eriogonum davidsonii Le Roy Abrams; E. A. McGregor 1908-7-3 571 Los Angeles North Baldy Mountain, San Gabriel Mountains 1981 Comment
  POM2279  Eriogonum davidsonii I. M. Johnston 1918-9-1 2134 Los Angeles San Antonio Mountains: Browns Flat 1311 Comment
  UC1871126  Eriogonum davidsonii T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4819 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  UCR118195  Eriogonum elongatum A. C. Sanders, D. Malueg, K. D. Jones 1999-11-19 23262 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- near Mission Point, above Aliso Cyn 823 Comment
  LA25966  Eriogonum fasciculatum subsp. fasciculatum Judith Webb; 1955-4-2 sn Los Angeles Santa Monica Mountains, Fireroad below Mt. San Mary's College Comment
  UCR214649  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders, Dan S. Cooper 2010-4-30 38140 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA781814  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-7-23 11381 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR189842  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 1998-7-27 6509 Los Angeles San Gabriel Mtns., Dry Lake, south of Sunset Peak at head of Dry Lake Canyon 1515 Comment
  UCR270220  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2011-10-10 15744 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  UCR280901  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2014-4-23 16176 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains 1256 Comment
  CAS-BOT-BC253204  Eriogonum fasciculatum var. fasciculatum Lewis S. Rose 1946-7-21 46221 Los Angeles N. end of Hollywood Reservoir 228 Comment
  CAS-BOT-BC253205  Eriogonum fasciculatum var. fasciculatum Lewis S. Rose 1960-8-28 60087 Los Angeles E. slope of Coldwater Canyon, Santa Monica Mts. 335 Comment
  POM123081  Eriogonum fasciculatum var. foliolosum Marcus E. Jones 1882-2-25 s.n. Los Angeles Pasadena. Comment
  RSA526468  Eriogonum fasciculatum var. foliolosum Tim S. Ross 1991-3-24 4315 Los Angeles Whittier Hills (Puente Hills, pro parte). 341 Comment
  RSA650864  Eriogonum fasciculatum var. foliolosum A. G. Bower Jr. 1948-5-23 s.n. Los Angeles In San Gabriel Canyon. 549 Comment
  UC1601627  Eriogonum fasciculatum var. foliolosum Miss E. D. Palmer 1905-1-29 Los Angeles Arroyo Seco Comment
  UCR277407  Eriogonum fasciculatum var. foliolosum R. G. Swinney 2010-8-23 13570 Los Angeles San Gabriel Mountains, Mt. Zion summit, between Hoegee Campground and Camp Sturtevant on the Mt. Zion Trail 1090 Comment
  SBBG96529  Eriogonum giganteum var. giganteum M. C. Carroll 1990-9-30 3011 Los Angeles above Cherry Cove 60 Comment
  CAS-BOT-BC252230  Eriogonum grande var. grande Alice Eastwood 1917-7-20 6499 Los Angeles Santa Catalina Island Comment
  RSA760555  Eriogonum heermannii R. G. Swinney 2008-8-14 9438 Los Angeles Confluence of Big Rock Creek and Fenner Canyon 1640 Comment
  UCR280417  Eriogonum mohavense Onkar Singh 2014-3-18 4377 Los Angeles Mojave Desert, c. 10 km north of Littlerock, near junction of Avenue O and 110th St. 804 Comment
  RSA766125  Eriogonum nudum var. pauciflorum Raymond J. Dobbs 1927-11-1 s.n. Los Angeles Waterman Station. San Gabriel Mts. 976 Comment
  POM280011  Eriogonum saxatile Victor Duran 1933-7-27 3538 Los Angeles San Gabriel Mountains: Buckhorn 1982 Comment
  RSA229065  Eriogonum saxatile Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38912 Los Angeles San Gabriel Mountains, Angeles National Forest: S slope Table mountain above Big Pines 2119 Comment
  RSA530064  Eriogonum saxatile Tim S. Ross 1991-8-16 5858 Los Angeles San Gabriel Mountains, Horse Flats. 1721 Comment
  RSA766272  Eriogonum saxatile Joseph A. Ewan 1936-7-29 9874 Los Angeles So. end of Summit of Table Mt. 2134 Comment
  RSA330820  Eriogonum umbellatum var. minus Wayne E. Sawyer 1981-7-24 108 Los Angeles San Gabriel Mountains, Angeles National Forest: Crest trail, 0.7 mile west of Mt. Hawkins 2530 Comment
  UCR209273  Eriogonum wrightii R. G. Swinney 2008-10-7 9482 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  CAS-BOT-BC297960  Eriophyllum confertiflorum F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  POM357911  Eriophyllum confertiflorum Howard Mullins 1931-4-1 s.n. Los Angeles Foothill Blvd. Comment
  RSA526061  Eriophyllum confertiflorum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-6 4159 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  SD66908  Eriophyllum confertiflorum R. Mitchel Beauchamp 1967-3-18 298 Los Angeles San Clemente Island, on canyon slopes below Lemon Tank. Comment
  JEPS34717  Eriophyllum confertiflorum var. confertiflorum F. W. Peirson 1918-6-28 239 Los Angeles foot-hills e Rubio Canyon; San Gabriel Mts. 609 Comment
  SBBG96630  Eriophyllum confertiflorum var. confertiflorum S. Boyd with T. Ross, L. Arnseth 1990-4-6 4159 Los Angeles Lemon Tank Cyn (used as dumping area) 274 Comment
  UCR270153  Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-7-21 15526 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  RSA251467  Eriophyllum nevinii R. F. Thorne 1973-4-11 42829 Los Angeles San Clemente Island, upper part of Norton Canyon. 274 Comment
  RSA92389  Eriophyllum nevinii F. W. Peirson 1923-4-10 3477 Los Angeles North slopes or on sea bluffs, San Clemente Island Comment
  RSA358101  Eriophyllum pringlei Robert Gustafson, Christopher Davidson 1977-4-20 414 Los Angeles Fort Tejon Road, south of Littlerock, about 1.5 miles east of the junction with 82nd St. 976 Comment
  RSA0091728  Eriophyllum wallacei R. G. Swinney 2011-4-20 14436 Los Angeles Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 miles upstream in Hunt Cyn. 1220 Comment
  CATA1075  Erodium cicutarium Mark L. Hoefs 1995-5-16 2018 Los Angeles Santa Catalina Island: Near Airport Road, just past road to Black Jack Campground 454 Comment
  RSA654653  Erodium cicutarium Fred Brooks 1988-5-7 33 Los Angeles San Antonio Canyon, 1.5 mi. above second tunnel at Mountain Rd. turnoff. Comment
  UCR219559  Erodium cicutarium R. G. Swinney 2009-3-28 10210 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Mountain Park, trail 0-40 m above canyon bottom, from park entrance to 0.4 mi. up canyon 427 Comment
  RSA650527  Erodium cicutarium Richard A. Goodfellow 1948-2-29 s.n. Los Angeles Corner of Wilson and Glendale Ave., Glendale 174 Comment
  RSA585324  Erodium texanum Tim S. Ross 1991-4-27 4726 Los Angeles Black Butte: easterly and northeasterly slopes 1082 Comment
  UCR13490  Eruca vesicaria subsp. sativa O. F. Clarke 1973-6-6 s.n. Los Angeles San Gabriel Valley, Pomona, Gary Ave. near Foothill Blvd. 351 Comment
  CAS-BOT-BC211091  Eryngium aristulatum var. parishii Le Roy Abrams 1901-7-20 1863 Los Angeles Wiseburn Comment
  NY37752  Eryngium aristulatum var. parishii A. J. McClatchie 1893-7-3 s.n. 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
  OBI44885  Erysimum capitatum David J. Keil, V. L. Holland, Michael Stiles, & Francis Villablanca 1987-4-30 20038 Los Angeles Ca. 1 mi W of jctn with Calif Rte 14 along Calif Rte 138 Comment
  UCR205920  Erysimum capitatum R. G. Swinney 2008-5-5 8766 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs 1427 Comment
  UCR256222  Erysimum capitatum R. G. Swinney 2010-6-4 13035 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  LA51505  Erysimum capitatum var. capitatum O. H. Kappler; 1941-4-14 202 Los Angeles Santa Monica Mountains, Las Virgenes Canyon 243 Comment
  RSA191144  Erysimum capitatum var. capitatum R. F. Thorne 1967-6-25 37087 Los Angeles Along fire-road between Cobal and Evey Canyons 732 Comment
  RSA530310  Erysimum capitatum var. capitatum Robert Gustafson 1973-5-17 s.n. Los Angeles Charlton Flats campground, Angeles Natl. Forest 1677 Comment
  RSA584012  Erysimum capitatum var. capitatum Timothy S. Ross, S. D. Boyd 1991-4-25 4594 Los Angeles Lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at 1540 ft. elev.) 536 Comment
  SD253417  Erysimum capitatum var. capitatum R. G. Swinney 2011-5-12 14714 Los Angeles San Gabriel Mountains: along Cabin Canyon Creek near the confluence with Aliso Canyon (Pacifico Mountain 7.5'Q) 1195 Comment
  IRVC26200  Eschscholzia californica Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2920 Los Angeles Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. Santa Susana Mtns. 915 Comment
  RSA0103790  Eschscholzia californica R. G. Swinney 2011-4-20 14454 Los Angeles San Gabriel Mountains/ Western Mohave Desert: Vincent, 2.9 miles SE of Lake Palmdale on Carson Mesa, 100-200 m east of Angeles Forest Hwy 1000 Comment
  RSA171450  Eschscholzia californica Mark Parratt 1963-5-4 538 Los Angeles Temblor range,Tejon Ranch, 2 miles E on 138 from U. S. 99 1220 Comment
  UCR219416  Eschscholzia californica R. G. Swinney 2009-3-31 10227 Los Angeles Transverse Range; San Gabriel Mtns., mouth of San Gabriel Canyon, 1.2 mi. north of Foothill Blvd, Azusa/Duarte 183 Comment
  SD113754  Eschscholzia californica Darley F. Howe Apr 1915 57 Los Angeles Claremont Comment
  RSA590071  Eschscholzia minutiflora Orlando Mistretta 1994-3-30 983 Los Angeles Little Rock Creek; Slopes east of creek below Little Rock Dam; Pacifico Mountain. 1021 Comment
  CAS-BOT-BC92215  Eschscholzia ramosa Peter H. Raven 1962-4-9 17165 Los Angeles San Clemente Island. Sides of small arroyo above Wilson Cove. 60 Comment
  SBBG98459  Eschscholzia ramosa T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5068 Los Angeles lower Wilson Cove Cyn, rocky draw SW of and above pier operations 15 Comment
  CHSC95486  Eucalyptus camaldulensis LeRoy Gross 2001-9-1 445 Los Angeles Los Angeles Basin: Verdugo Mountains; north side, Along the bottom of Hostetter Mountain Way where road is paved, parallel with 210 freeway. 549 Comment
  RSA0012585  Eucalyptus citriodora A. C. Sanders, D. Malueg 2001-5-17 24323 Los Angeles Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned. 122 Comment
  UC1870241  Eucalyptus sideroxylon LeRoy Gross, Steve Larson, Valerie Soza 2001-5-31 387 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Southeast side. Dead Horse Canyon, along road (Heather Ridge Dr.) 335 Comment
  RSA612172  Eucrypta chrysanthemifolia Valerie L. Soza, J. Gural 1997-4-10 33 Los Angeles Bernard Field Station of the Claremont College, NW corner of Mills Ave and Foothill Blvd. 412 Comment
  RSA762463  Eucrypta chrysanthemifolia R. G. Swinney 2009-3-11 10092 Los Angeles San Gabriel Mtns. Foothills Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  UCSB41664  Eucrypta chrysanthemifolia 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
  RSA674251  Eucrypta chrysanthemifolia var. chrysanthemifolia LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 702 Los Angeles South side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned in Summer-Fall of 2002. 695 Comment
  SFV6263  Euphorbia crenulata M. H. Grayum, D. Gillen 1974-5-31 s. n. Los Angeles Santa Susana Mountains North side of Oat Mountain. Along main ridge road about 0.5 miles east of junction with Browns Canyon Road. 1052 Comment
  RSA432463  Euphorbia crenulata Louis Greata 1901-03 s.n. Los Angeles Eagle Rock. Comment
  RSA621299  Euphorbia dendroides L. C. Wheeler 1968-4-8 s.n. Los Angeles Pasadena: Foot of Kinneloa Mesa by New York Avenue. 0.2 miles southeast of East End of Eaton Wash Dam 292 Comment
  UCR101276  Euphorbia helioscopia L. C. Wheeler 1945-6-10 6066 Los Angeles Los Angeles Basin region; San Gabriel Valley, South El Monte: Between Rio Hondo and San Gabriel Rivers, between Repetto and Puente Hills. Siphon Road, 1/4 mi east of Durfee Avenue. 65 Comment
  UCR76084  Euphorbia maculata Scott D. White 1992-10-8 898 Los Angeles Western Transverse Range; Santa Monica Mtns., Malibu, just north of Pacific Coast Hwy (= Calif. Hwy 1), extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School 91 Comment
  UCD142569  Euphorbia melanadenia Fay A. MacFadden 1931-3-4 s.n. Los Angeles Verdugo Hills, Tuna Canyon. Comment
  UCR281158  Euphorbia melanadenia R. G. Swinney 2014-6-5 16721 Los Angeles San Gabriel Mountains, Glendora, 0.48 miles north of Sierra Madre Ave. at Rainbow Dr. 381 Comment
  RSA432422  Euphorbia misera M. B. Dunkle 1939-4-7 7336 Los Angeles San Clemente Island, Pyramid Cove Comment
  CDA33377  Euphorbia peplus J. M. Wood 2009-3-6 334 Los Angeles City of Claremont; NW corner of Monte Vista Ave and Foothill Blvd. County line goes through property but most plants were collected in LA County. Comment
  RSA747882  Euphorbia peplus Justin M. Wood 2009-3-6 334 Los Angeles NW corner of Monte Vista Ave and Foothill Blvd. County line goes through property but most plants were collected in LA County. 402 Comment
  UCR210413  Euphorbia peplus R. G. Swinney 2008-12-4 9952 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1.8 mi. north of Sierra Madre Ave., north of bike trail parking lot, along flowing aqueduct of water filtration plant 223 Comment
  UCR280582  Euphorbia peplus R. G. Swinney 2014-5-13 16481 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
  CDA36825  Euphorbia peplus M. O Brien 2012-1-26 s.n. Los Angeles Malibu; La Piedra State Beach. 0 Comment
  SBBG131506  Euphorbia peplus M. L. Hoefs, R. F. Thorne 1996-4-6 2600 Los Angeles Pebbly Beach 6 Comment
  UCR179731  Euphorbia serpillifolia R. G. Swinney, Dave Larson 1996-7-17 5138 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  RSA709544  Euphorbia terracina Doug Gettinger 2004-5-27 s.n. Los Angeles Southern Coast: Ocean Trails, Rancho Palos Verdes, Thomas Bros. LA Co map pg. 823, grids E-6 and F-6. 91 Comment
  RSA473726  Euthamia occidentalis Anstruther Davidson 1890-06 s.n. Los Angeles E. Los Angeles. Comment
  LA200952  Festuca microstachys Peter H. Raven; 1960-5-15 15356 Los Angeles Santa Monica Mountains1, Piuma Road 2.1 mi. E of Rambla Pacifica 487 Comment
  SBBG56711  Festuca octoflora R. Hoffmann 1929-4-2 Los Angeles W Mojave Desert Comment
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Jun 11 2015
  CAS-BOT-BC500450  Ficus microcarpa R. E. Riefner, Jr. 2015-8-15 15 -222 Los Angeles City of Malibu, N side of Pacific Coast Hwy, E ca 0.25 mi from Coastline Dr.15 15 Comment
  RSA393715  Filago californica M. B. Dunkle 1929-4-7 2103 Los Angeles White's Landing, Santa Catalina Island. Comment
  UCR258603  Foeniculum vulgare R. G. Swinney 2010-8-11 13514 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, 100-200 m below Chantry Flats on Chantry Flat Trail/Rd. 598 Comment
  CAS-BOT-BC53323  Frangula californica subsp. cuspidata W. R. Dudley 1899-7-22 s.n. Los Angeles Mt. Lowe, San Gabriel Mts. Comment
  CAS-BOT-BC223747  Frankenia salina E. R. Blakley 1962-6-9 5190 Los Angeles China Point, San Clemente Island 3 Comment
  CAS-BOT-BC217359  Frasera neglecta Robert F. Thorne 1969-7-2 38256 Los Angeles Upper Chilao Campground, Angeles National Foerst, San Gabriel Mountains 1615 Comment
  CAS-BOT-BC217361  Frasera neglecta Wesley O. Griesel 1960-6-5 s.n. Los Angeles Near Chilao Recreation area, San Gabriel Mountains 1828 Comment
  CAS-BOT-BC223421  Fraxinus dipetala Henry J. Thompson 1959-3-31 1909 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Lobo Canyon, about 2 miles west of Cornell 274 Comment
  CAS-BOT-BC212388  Fremontodendron californicum A. D. E. Elmer 1902-6-1 3686 Los Angeles Acton, Mt. Gleason Comment
  RSA588163  Fremontodendron californicum subsp. californicum Orlando Mistretta 1994-5-23 1251 Los Angeles Little Rock Creek, drainage E of Creek and N of Forest Rd. 4N15. 1311 Comment
  PASA569  Fritillaria biflora Los Angeles Saugus Comment
  RSA68730  Fritillaria biflora Frank W. Peirson 1921-4-10 1675 Los Angeles Trail below Sycamore Flat on way to San Dimas 792 Comment
  RSA659116  Fritillaria biflora LeRoy Gross 2001-3-25 361 Los Angeles Los Angeles Basin: Verdugo Mountains region: Off Verdugo Crestline Drive, dirt road that is north of the 210 freeway in the northwest section of the Vedugo Mountains, just east of Sunland exit off ramp., You can get on this fire road from the west at Newhome Ave off of Foothill Blvd. in the city of Sunland ( This last information came from Valerie Sozas collection number 901 as it is in the same area) Near 34 deg 15 12.2N 118 deg 19 16.8W. 488 Comment
  UC72261  Fritillaria biflora C. J. Fox April 1903 Los Angeles Los Angeles, near Avenue 56 Los Angeles Comment
  LA33608  Fritillaria biflora var. biflora Peter H. Raven; Henry J. Thompson 1959-4-3 13913 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak, 0.5 mi NE of peak. 822 Comment
  SFV21405  Funastrum cynanchoides var. hartwegii L. Gross, N. Fraga, B. Hogshead 2002-3-21 497 Los Angeles Verdugo Mountains Southwest side of Verdugo Mountains. South of La Tuna Canyon Road at end of Morning Glow Way. Near the main ridgetop south of Morning Glow. 412 Comment
  POM358610  Galinsoga parviflora var. parviflora F. R. Fosberg 1930-7-3 S 3026 Los Angeles San Gabriel River, El Monte. Comment
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Jan 30 2017
  CAS-BOT-BC223024  Galium angustifolium A. C. Sanders; Karen Kirtland 2010-5-14 38355 Los Angeles South Coast: Palos Verdes Peninsula, San Ramon Canyon in city of Rancho Palos Verdes, near Los Angeles city boundary 201 Comment
  CAS-BOT-BC223025  Galium angustifolium A. C. Sanders 2003-3-14 25777 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 560 Comment
  POM367656  Galium angustifolium subsp. angustifolium Blanche Trask 1910-05 s.n. Los Angeles Santa Catalina Island. Comment
  RSA578102  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd 1994-5-31 7700 Los Angeles 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 Mountain summit 854 Comment
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May 16 2017
  RSA612591  Galium angustifolium subsp. angustifolium E. Lloyd 1933-5-5 s.n. Los Angeles Topanga Canyon. Comment
  SD131982  Galium angustifolium subsp. angustifolium Barbara Ertter, L. Heckard, T. Sholars, J. Hickman, et al. 1988-5-23 7482 Los Angeles Pine Canyon Rd along San Andreas fault on north side of San Gabriel Mts (Co Rd N2), road cut N side of road Comment
  SD39774  Galium angustifolium subsp. angustifolium Edith A. Purer 1933-10-7 5582 Los Angeles Stabilized sand dunes, El Segundo Comment
  SFV21421  Galium angustifolium subsp. angustifolium L. Gross, M. Denslow, B. Hogshead, S. Swartzentruber 2003-6-17 1029 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Along road across from Brand Canyon Debris Basin at mouth of Brand Canyon. 262 Comment
  RSA191165  Galium angustifolium subsp. gabrielense Robert F. Thorne, M. Z. Thorne 1967-7-19 37168 Los Angeles Angeles National Forest: Big Cienega Springs above Crystal Lake Recreation Area. 1982 Comment
  RSA630250  Galium angustifolium subsp. nudicaule Scott D. White, David E. Bramlet 1998-8-11 7048 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mile closed section of Highway 39 from ca. 1.6 mile W of junction Crystal Lake access road to junction Highway 2. 1707 Comment
  LA33613  Galium aparine Henry J. Thompson; 1959-4-19 1956 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 274 Comment
  SBBG68872  Galium aparine R. Hoffmann 1927-6-14 Los Angeles Pine Cyn Comment
  POM367742  Galium aparine M. B. Dunkle 1933-4-19 3317 Los Angeles Palos Verde Hills, north slope. Comment
  RSA239492  Galium aparine M. A. Piehl 1963-12-7 631033 Los Angeles San Clemente Island. N slope of point opposite Pyramid Head on SE tip of island. 12 Comment
  CATA3550  Galium catalinense Peter J. Dixon 2018-5-30 114 Los Angeles Santa Catalina Island: Channel side; Avalon, near Cabrillo Mole (ferry terminal); Steep, rocky, n-facing bluff, diorite. 15 Comment
  UCR143196  Galium catalinense M. B. Dunkle 1928-4-10 1820 Los Angeles Channel Islands, Santa Catalina Island, Johnson's Canyon 274 Comment
  RSA198815  Galium catalinense subsp. catalinense Robert F. Thorne, D. Propst 1967-5-27 37637 Los Angeles Santa Catalina Island. Above stream in lower end of Middle Ranch Canyon Comment
  POM9650  Galium cliftonsmithii Philip A. Munz, R. D. Harwood 1920-5-15 4013 Los Angeles Sepulveda Canyon, Santa Monica Mountains 213 Comment
  SBBG119257  Galium grande V. Soza with K. Hughes 1999-7-1 605 Los Angeles Van Tassel Ridge, off Van Tassel Ridge Rd, vicinity of Mt Bliss; T1N R10W N/2, SE/4 S8 1036 Comment
  RSA600083  Galium hallii Steve D. Boyd, Lauren Raz 1997-5-20 9796 B Los Angeles Liebre Mountains region: Northern flank of Sawmill Mountain, upper Heryford Canyon drainage, just northeast of Sawmill Summit at the junction of Forest Service roads 7N23 and 7N08. 1341 Comment
  SD90609  Galium hallii Robert F. Thorne, J. Dourley 1967-10-3 37267 Los Angeles Mt. Baden-Powell: N slope at Vincent Gap 2133 Comment
  UCD170388  Galium johnstonii D. E. Bramlet 2011-8-13 4946 Los Angeles San Gabriel Mountains, Mt. Gleason, along Mt. Gleason Road/ Forest Service Road 3N17. 1944 Comment
  UCR204027  Galium johnstonii R. G. Swinney 2001-9-15 8151 Los Angeles San Gabriel Mountains, Mt Islip 2515 Comment
  CATA780  Galium nuttallii subsp. insulare Mark L. Hoefs 1991-6-5 1342 Los Angeles Santa Catalina Island: Hill above Hamilton Cove 91 Comment
  RSA799917  Galium nuttallii subsp. nuttallii Justin M. Wood 2009-3-20 379 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave. and Foothill Blvd. west of entrance road. 390 Comment
  POM9296  Galium porrigens Philip A. Munz, R. D. Harwood 1920-5-17 3987 Los Angeles Topanga Canyon, Santa Monica Mountains 152 Comment
  RSA708808  Galium porrigens var. porrigens Valerie L. Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1153 Los Angeles Ridgetop above McDonald Creek. 412 Comment
  RSA320822  Galvezia speciosa F. C. Boutin 1967-4-23 1669 Los Angeles San Clemente Island: E side of island, Lemon Tank, a dump site. 305 Comment
  UCR205661  Gamochaeta pensylvanica A. C. Sanders, T. B. Salvato 2009-5-20 36877 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
  UCR271981  Gamochaeta pensylvanica R. G. Swinney 2011-3-26 14225 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  UCR276920  Gamochaeta pensylvanica R. G. Swinney 2011-3-29 14246 Los Angeles San Gabriel Mts., Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel 366 Comment
  SFV21385  Gamochaeta ustulata L. Moore, R. Burchet, L. Gross, D. Zygielbaum 2000-6-8 44 Los Angeles Verdugo Mountains La Tuna Canyon Park. Off La Tuna Canyon Road on Santa Monica Mountains Conservancy Land. 586 Comment
  SJSU3877  Garrya veatchii C. W. Sharsmith 1964-1-1 7176 Los Angeles near head of Bear Canyon (Arroyo Seco drainage), San Gabriel Mts 1066 Comment
  UCR3694  Garrya veatchii Frank C. Vasek 1963-8-16 630816- 01 Los Angeles San Gabriel Mtns, Cow Canyon Saddle 1402 Comment
  RSA0116835  Gayophytum R. G. Swinney 2010-9-21 13864 Los Angeles San Gabriel Mountains; summit of Mt. Hawkins, at north end of Copter Ridge. 2683 Comment
  RSA763105  Gayophytum R. G. Swinney 2008-8-13 9385 Los Angeles east fork of Icy Springs drainage, tributary of Big Rock Creek, 0.3 mi. SE of Big Rock Creek Rd. 1805 Comment
  RSA0097184  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-6-1 14961 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.1-0.3 mile east-southeast of Colby Lodge, along Camp Colby Trail, toward FS Rd 12W052, southeast of Coldwater Canyon headwaters 1061 Comment
  UCSB43757  Genista linifolia Nakashima, L. 1982-4-17 Los Angeles West of Wrigley Memorial Garden on Memorial Road; 0.6 miles from its junction with Avalon Canyon Road; on Santa Catalina Island 175 Comment
  UCR174645  Genista monspessulana Jennifer H. Jones, Jay H. Jones 2006-6-4 382 Los Angeles Transverse Ranges; Foothills of San Gabriel Mtns., Webb Canyon Road 415 Comment
  RSA611351  Gilia Steve Boyd 1998-4-1 10131 Los Angeles Mojave Desert: Western Antelope Valley, along 300th Street West, 1.5 miles north of Highway 138. 853 Comment
  RSA747408  Gilia R. G. Swinney 2008-6-9 8969 Los Angeles lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
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Dec 7 2018
  RSA585363  Gilia aliquanta subsp. aliquanta T. S. Ross 1991-4-27 4707 -a Los Angeles Black Butte: rocky easterly and northeasterly slopes. 960 Comment
  RSA470094  Gilia angelensis Christopher Davidson 1973-4-6 1862 Los Angeles Tapia Park, Malibu Canyon. 244 Comment
  UC909024  Gilia angelensis Herbert L. Mason 1926-4-26 2942 Los Angeles upper road Pacoima Wash foothills San Gabriel Mountains, Pacoima Wash (foothills of San Gabriel Mountains) Comment
  SEINET12320609  Gilia capitata F. Thorne, Tilforth, C. W. 1971-1 41545 Los Angeles San Gabriel Mts., Angeles National Forest 381 Comment
  RSA226224  Gilia capitata subsp. abrotanifolia Gary D. Cromwell, David W. Wheat 1971-5-14 660 Los Angeles On west side of canyon mouth, about 1300'. Mystic Canyon, Angeles National Forest, San On southeast-facing slope to west of canyon mouth, about 1350 feet. Mystic Canyon, Angeles National Forest, San Gabriel Mtns., 2 miles NE of Glendora, CA.Gabriel Mts. 2 mi. NE of Glendora. 396 Comment
  SBBG58367  Gilia capitata subsp. abrotanifolia R. Hoffmann 1931-5-3 Los Angeles Bouquet Cyn Comment
  UCSB33711  Gilia capitata subsp. abrotanifolia Griesel, Wesley 1962-4-29 Los Angeles Arroyo Seco near Brookside Park, Pasadena 365 Comment
  RSA470229  Gilia capitata subsp. abrotanifolia Fordyce Grinnell Jr. 1910-04 s.n. Los Angeles San Rafael Hills, Pasadena Comment
  RSA470238  Gilia capitata subsp. abrotanifolia Freda Detmers, Purer 1931-4-28 s.n. Los Angeles Palos Verdes Hills. Comment
  RSA470149B  Gilia diegensis Anstruther Davidson s.n. Los Angeles Acton. Comment
  UCR194159  Gilia latiflora A. C. Sanders 2008-4-13 34875 Los Angeles Western Mojave Desert, Antelope Valley, Lancaster Rd. near California Poppy Reserve, c. 0.8 mi. west of Munz Ranch Rd., 9.8 mi. (air) NW of Quartz Hill 806 Comment
  RSA716352  Gilia latiflora Andrea Edwards, Pam De Vries 2006-5-15 102 Los Angeles Triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. Site includes sections of Gorman Creek, San Andreas Rift Zone, and Peace Valley. 1037 Comment
  CAS-BOT-BC226313  Gilia latiflora subsp. davyi J. Mark Porter 1998-4-27 11829 Los Angeles Antelope Valley: 170th St. East, N. of Pearblossom Hwy. Comment
  POM3440  Gilia latiflora subsp. davyi Marjorie Shaw, Edna S. Spaulding, C. L. Walton 1917-4-6 s.n. Los Angeles Bouquet Canyon. Comment
  RSA249786  Gilia latiflora subsp. davyi R. F. Thorne, C. W. Tilforth 1973-4-20 43014 Los Angeles San Gabriel Mountains, Mojave Desert slope: 1 mile N of Bob's Gap, 3.2 miles S of Llano, N slope of Holcomb Ridge. 1143 Comment
  UCD117780  Gilia latiflora subsp. davyi Daryl Koutnik 1978-3-23 130 Los Angeles north side of State Highway 18 and just west of Llano. 975 Comment
  CAS-BOT-BC226319  Gilia latiflora subsp. davyi Peter Rubtzoff 1988-3-23 9898 Los Angeles Near Antelope Valley California Poppy Reserve. On north side of Lancaster Road, east of the entrance to the Reserve Comment
  UC23560  Gilia latiflora subsp. davyi J. Burtt Davy May 9 1896-May 24 1896 2655 Los Angeles near Manzana ((towards Gorman's Station)); Antelope Valley, near Manzana Comment
  RSA0083772  Gilia minor J. Mark Porter 1998-4-27 11830 Los Angeles Antelope Valley: 170th St. East. Comment
  UC908130  Gilia minor Herbert L. Mason 1926-4-26 3005 Los Angeles Little Rock Mohave Desert, Little Rock Comment
  POM19215  Gilia nevinii P. A. Munz 1923-4-8 6633 Los Angeles San Clemente Island. Comment
  RSA488441  Gilia nevinii Mark Hoefs 1974-3-28 416 Los Angeles Santa Catalina Island. Ridge above and north of Upper Bulrush Canyon 335 Comment
  UCR68924  Gilia nevinii Steve Boyd, L. Arnseth, T. S. Ross 1990-4-7 4262 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  SBBG64489  Gilia ochroleuca subsp. bizonata R. Hoffmann 1928-7-9 Los Angeles Pine Cyn Comment
  RSA0016175  Gilia ochroleuca subsp. ochroleuca LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 872 -b Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway. 1143 Comment
  SBBG118581  Gilia sinuata L. Gross, O. Mistretta, V. Soza 2003-5-13 872 a Los Angeles Big Rock Crk, N and E of Valyermo Ranger Stn, off Big Pines Hwy; T4N R9W S8 1143 Comment
  UCR258762  Gilia splendens R. G. Swinney 2010-5-11 12691 Los Angeles San Gabriel Mountains, east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd 872 Comment
  RSA507517  Githopsis diffusa subsp. diffusa L. C. Wheeler 1967-5-18 9643 Los Angeles Angeles National Forest; Placerita Canyon. 518 Comment
  RSA786839  Glebionis coronaria LeRoy Gross 2012-6-17 5554 Los Angeles Mount Wilson Road to Henninger Flats. Along cleared spur of the dirt road, on sharp bend from west to east direction. 618 Comment
  CAS-BOT-BC303783  Glyptopleura setulosa Ira L. Wiggins 1966-4-17 20599 Los Angeles About 2 miles N of Theodore Payne Wildflower Sanctuary, NE of Pearblossom, Mojave Desert Comment
  RSA638863  Gnaphalium californicum Valerie L. Soza, Laura Moore 1999-6-30 595 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail. 853 Comment
  RSA657362  Gnaphalium californicum Joseph M. Keefe 1978-5-23 23210 Los Angeles Verdugo Mountains: Near path, 30 meters east of Cafeteria, Glendale College, 1500 North Verdugo Road, Glendale College, Glendale, San Rafael Mountains. 265 Comment
  RSA729543  Gnaphalium canescens subsp. beneolens R. G. Swinney 1998-9-7 6940 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
  RSA761772  Gnaphalium luteoalbum R. G. Swinney 2008-12-4 9953 Los Angeles Azusa, mouth of San Gabriel Canyon 1.8 mi. north of Sierra Madre Ave., north of bike trail parking lot, along flowing aqueduct of water filtration plant 223 Comment
  RSA729826  Gnaphalium palustre R. G. Swinney 1998-7-6 6278 Los Angeles San Gbriel Mtns.: 0.2 mi. up western tributary of Mescal Canyon, 2.3 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1585 Comment
  UCR264070  Grayia spinosa John F. Green 2008-3-26 308- 07 Los Angeles Western Mojave Desert, SE of Lancaster and north of Palmdale, 0.75 mi. long strip along both sides of 15th St. East, between Ave. M and Ave. M-12, east of Sierra Hwy and north of Palmdale Regional Airport 762 Comment
  POM250381  Grindelia camporum var. bracteosa I. W. Clokey, E. G. Anderson 1935-5-9 6965 Los Angeles Puddingstone Dam Comment
  UC1610052  Grindelia hirsutula Meredith A. Lane 1986-9-6 3094 Los Angeles n of Lancaster (e of intersection of CA State Hwy 138 with CA State Hwy 14 at T intersection of Avenue D and Sierra Highway) 670 Comment
  POM359091  Grindelia robusta Ducelia Sabb 1937-7-20 19695 Los Angeles Baldwin Hills. Comment
  RSA602969  Gutierrezia californica L. C. Wheeler 1973-1-13 12808 Los Angeles San Gabriel Mountains: Little Tujunga, near Cottonwood Glen. 412 Comment
  UCR124604  Gutierrezia microcephala B. C. Templeton 1932-8-26 5115 Los Angeles San Gabriel Mtns., Big Rock Creek, near Vincent Gap, Angeles National Forest 1905 Comment
  OBI34894  Hazardia squarrosa var. grindelioides David J. Keil 1983-8-23 17869 Los Angeles Just W of Leo Carillo State beach along hwy 1 , ca. 1 mi E of Ventura Cnty line. Comment
  RSA618714  Hazardia squarrosa var. grindelioides Scott D. White 1998-6-4 6653 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, between I-5 Fwy./Old Ridge Route and the lake. 427 Comment
  RSA755460  Helenium bigelovii R. G. Swinney 2008-7-16 9264 Los Angeles Little Rock Creek Canyon, 1.6 mi. south of Burkhart Saddle along the Burkhart Trail, at stream crossing 1817 Comment
  SFV7060  Helenium puberulum T. Gordon, L. R. Ballou, M. H. Grayum, D. L. Koutnik 1974-10-11 761 Los Angeles Santa Susana Mountains Browns Canyon. 457 Comment
  CAS-BOT-BC211546  Helianthemum scoparium Huron H. Smith 1912-5-3 4942 Los Angeles Azusa 243 Comment
  RSA748675  Helianthemum scoparium R. G. Swinney 2008-4-1 8598 Los Angeles ridge north of and adjacent to Sharps Canyon, c. 2 miles due N of Glendora. 671 Comment
  RSA0096948  Helianthemum scoparium L. C. Wheeler 1968-5-25 s.n. Los Angeles San Gabriel Mountains: Mesa on west side of Bear Creek. 609 Comment
  RSA0048580  Helianthus annuus Lee Haines 1948-7-6 s.n. Los Angeles Canoga Park. Comment
  NY621871  Helianthus nuttallii subsp. parishii A. Davidson 09 1901 s.n. Los Angeles Eaast Los Angeles Comment
  LA32229  Heliotropium curassavicum var. oculatum Peter H. Raven; Henry J. Thompson 1959-9-6 14400 Los Angeles Santa Monica Mountains, Malibu Creek, near mouth 12 Comment
  POM369758  Heliotropium curassavicum var. oculatum L. E. Hoffman 1932-8-2 s.n. Los Angeles Playa del Rey Comment
  CAS-BOT-BC310101  Hemizonella minima Frank W. Peirson 1920-6-10 238 Los Angeles San Gabriel Mts. Summit Mt. Wilson Comment
  RSA591066  Hemizonia fasciculata J. M. Porter, J. Travis Columbus, Gracie dos Santos 1996-6-5 10918 Los Angeles Ca. 2 mi N Solemint, just off Arline Rd., 2.0 mi from intersection with Sierra Hwy. Around a vernal pool on shelf above Plum Canyon and Arline Rd. Pool not evident from road. 610 Comment
  RSA94067  Hemizonia fasciculata F. W. Peirson 1906-7-16 1354 Los Angeles Los Angeles River, San Fernando Valley Comment
  RSA94189  Hemizonia fasciculata F. W. Peirson s.n. Los Angeles Playa del Rey. Comment
  RSA653483  Hesperocnide tenella Valerie L. 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 SW of intersection of Walnut Avenue and Lockheed View Drive, W of De Bell Municipal Golf Course, SE of Starlight Theater. 335 Comment
  CAS-BOT-BC280681  Hesperostipa comata A. D. E. Elmer 1902-7-1 s.n. Los Angeles Acton Comment
  UCR280512  Hesperoyucca whipplei R. G. Swinney 2014-5-13 16503 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
  UCR275503  Heterocodon rariflorum D. E. Bramlet 2011-8-17 4932 Los Angeles San Gabriel Mountains, NW of Hwy 2 near Chilao Campground 1619 Comment
  UC1211003  Heteromeles arbutifolia Huron H. Smith 1912-6-18 5117 Los Angeles Santa Catalina Island; Rock Spring Canyon 15 Comment
  RSA0072472  Heteromeles arbutifolia Doris Bowers 1957-2-15 355 Los Angeles Dalton Canyon. 610 Comment
  RSA0074427  Heterotheca grandiflora Fordyce Grinnell Jr. 1917-9-9 s.n. Los Angeles Los Angeles River bottom, near Los Angeles. Comment
  RSA0074447  Heterotheca grandiflora George R. Johnstone 1927-10-30 s.n. Los Angeles Big Tujunga Canyon; mountain slope upper part of canyon. Comment
  RSA692075  Heterotheca sessiliflora A. C. Sanders, Mark Elvin 2002-8-28 25600 Los Angeles NE end of Santa Susana Mts.: Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusment park 360 Comment
  CAS-BOT-BC310842  Heterotheca sessiliflora subsp. fastigiata Joseph Andorfer Ewan 1937-8-23 11048 Los Angeles Tujunga Canyon near its mouth, San Gabriel Mts. Comment
  UCR108346  Heterotheca villosa var. villosa L. C. Wheeler 1970-10-10 s.n. Los Angeles Los Angeles Basin region; San Gabriel Valley, El Monte: Rio Hondo at Valley Boulevard 79 Comment
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Sep 10 2007
  JEPS104766  Heuchera John L. Morrison 1937-6-18 2543 Los Angeles San Gabriel Mountains. On N slope of trail from Windy Camp to Mount Baden Powell Comment
  UCR66509  Heuchera abramsii I. M. Johnston 1918-7-6 2096 Los Angeles San Antonio Mtns., Baldy Summit 3049 Comment
  CAS-BOT-BC48128  Heuchera elegans Fordyce Grinnell 1911-6-8 s.n. Los Angeles Mt. Wilson, San Gabriel Mts. - type station 1524 Comment
  RSA0063246  Heuchera elegans Scott D. White, Dave Bramlet 1998-6-29 6806 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
  RSA755946  Hieracium horridum R. G. Swinney 2008-7-25 9308 Los Angeles Twin Peaks, west peak 2299 Comment
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May 14 2018
  UC1587651  Hirschfeldia incana Tim Ross 1991-3-9 4185 Los Angeles head of Oak Canyon, SE side of ridgetop knoll Whittier Hills (Puente Hills, pro parte) 368 Comment
  RSA658483  Hirschfeldia incana Patricia Kouo 1994-5-6 945216 Los Angeles 3 miles south of I-10, and 1 mile north of I-60. On the West side of Rosemead Blvd , at the most south lake. Comment
  UCR205710  Hoffmannseggia glauca A. C. Sanders, T. B. Salvato 2009-5-18 36807 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
  UC73212  Hoita macrostachya Geo. B. Grant Jun 1901 1053 Los Angeles Pasadena Comment
  RSA660633  Holodiscus discolor Matt Bogdanoff 1981-5-27 35 Los Angeles Ca Hwy 39, 3.5 mi N of junction with Sierra Madre Ave., N of Azusa. 396 Comment
  RSA449768  Holodiscus discolor Anstruther Davidson 1889-07 s.n. Los Angeles Los Angeles. Comment
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Sep 17 2014
  POM1837  Holodiscus microphyllus I. M. Johnston 1917-8-22 1696 Los Angeles Summit of Baldy. 3049 Comment
  RSA573750  Holodiscus microphyllus Tim S. Ross 1990-8-17 3174 Los Angeles S side of Prairie Fork, in the draw between Columbine Spring and Camp Lupine 2042 Comment
  SEINET10598958  Hordeum californicum G. B. Grant Grant 596 a Los Angeles Sherman. Wild Barley. Comment
  RSA12283  Hordeum depressum C. B. Wolf 1934-4-11 5658 Los Angeles Bryant Ranch, east of Long Beach along Bixby Ave. 0.5 mile west of Hansen Rd. 100 ft N of fence. 7 Comment
  SBBG113143  Hordeum intercedens S. A. Junak with M. L. Hoefs, J. Takara 1997-3-28 SCa 392 Los Angeles E side of Catalina Harbor, just E of end of rd at Triangulation Station "Harbor" 36 Comment
  RSA230387  Hordeum jubatum R. F. Thorne 1969-7-10 38383 Los Angeles San Gabriel Mts., Angeles National Forest: Wet margin of Jackson Lake. 1860 Comment
  RSA187995  Hordeum murinum subsp. glaucum R. F. Thorne, P. Everett 1965-6-23 34940 Los Angeles Santa Catalina Island. Ben Weston Beach, west side of island. Comment
  SBBG113123  Hordeum vulgare S. A. Junak with M. L. Hoefs, S. Crockett 1997-3-27 SCa 369 Los Angeles Skull Cyn, ca. 0.4 rd mi from intersection with Middle Ranch Cyn Rd 228 Comment
  CLARK-A1528-3998  Horkelia cuneata John C. Roos 1937-7-7 1931 Los Angeles San Gabriel Mountains Comment
  SEINET6755742  Horkelia cuneata subsp. puberula H. M. Hall 3750 Los Angeles Pasadena Comment
  CAS-BOT-BC532279  Horkelia cuneata var. puberula I. M. Johnston 1918-4-14 1887 Los Angeles Southern California, Deer Canyon Wash near Etiwanda 365 Comment
  CAS-BOT-BC532280  Horkelia cuneata var. puberula I. M. Johnston 1918-5-1 1892 Los Angeles Southern California, San Antonio Canon Wash between Upland and Claremont 365 Comment
  RSA714983  Horkelia rydbergii R. G. Swinney 1997-9-6 5856 Los Angeles San Gabriel Mountains: Jackson Lake area. Ball Flat, 0.8-0.9 mi N of Big Pines Hwy at end of SW spur of Forestry Service Rd 4N16 1875 Comment
  SD11897  Hosackia oblongifolia Victor Duran 1933-7-22 3528 Los Angeles San Gabriel Mountains, Buckhorn, marshy places & along streams 1981 Comment
  SBBG45067  Hosackia oblongifolia var. oblongifolia V. Duran 1933-7-22 3528 Los Angeles Buckhorn 1981 Comment
  SBBG105562  Hulsea vestita subsp. gabrielensis T. Ross 1994-5-31 7976 Los Angeles Pacifico Mtn ca. 860 m WNW of the 7124' summit 2072 Comment
  CATA1602  Hypochaeris glabra Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Janet Takara 1998-5-1 2871 Los Angeles Santa Catalina Island: West side of Swain's Canyon, ridge to Whitley's Peak 432 Comment
  POM294556  Hypochaeris glabra Lyman Benson 1947-5-12 12401 Los Angeles Claremont; Drainage Area: Pacific slope 351 Comment
  SEINET695828  Ibicella lutea Robert F. Thorne 1968-10-31 37869 Los Angeles Spontaneous sprawling annual weed at Rancho Santa Ana Botanic Garden 366 Comment
  POM246808  Isocoma menziesii var. sedoides F. R. Fosberg 1931-4-12 4576 Los Angeles Santa Catalina Island; Palisades near Jewfish Point. 15 Comment
  POM359498  Isocoma menziesii var. vernonioides H. L. Bauer 634 Los Angeles Topanga Canyon. Comment
  POM50471  Isocoma menziesii var. vernonioides L. R. Abrams 1901-08 2191 Los Angeles Port Los Angeles Comment
  POM8298  Isocoma menziesii var. vernonioides P. A. Munz, R. D. Harwood 1920-3-13 3307 Los Angeles San Jose Hills 2 miles W of Pomona 305 Comment
  RSA725884  Isomeris arborea R. G. Swinney 1997-2-22 5407 Los Angeles San Gabriel Mtns.: Duarte, due wet of Fish Canyon mouth, south spur of SW end of Van Tassel Ridge. 579 Comment
  UCR100427  Isomeris arborea Scott D. White 1997-11-5 6016 Los Angeles Malibu Coast, Mouth of Trancas Canyon, north of Pacific Coast Hwy (= Calif. Hwy 1) 8 Comment
  UCR231782  Isomeris arborea Darren T. Hasegawa 2007-6-1 s.n. Los Angeles San Gabriel Mtns, Pasadena, c. 1 mile north of Rose Bowl 305 Comment
  UCR13468  Isomeris arborea var. insularis 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
  CATA860  Jaumea carnosa Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1669 Los Angeles Santa Catalina Island: Little Harbor 4 Comment
  UCR133723  Jaumea carnosa F. R. Fosberg 1931-5-18 S- 4895 Los Angeles Channel Islands, Santa Catalina Island, Little Harbor 4 Comment
  RSA0011186  Juglans californica H. J. Thompson 1959-3-31 1912 Los Angeles 1.2 miles SW of Seminole Hot Springs, about 2 miles SW of Cornell. 396 Comment
  RSA0087062  Juglans californica R. G. Swinney 2010-5-4 12529 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
  SDSU6894  Juglans californica D. F Howe 1947-3-22 1519 Los Angeles Topango canyon about one mile from coast. Comment
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May 22 2014
  UCR209194  Juglans nigra A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37164 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 69 Comment
  RSA0105036  Juncus R. G. Swinney 2011-10-18 15806 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
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Dec 7 2018
  UCR180563  Juncus arcticus var. mexicanus Scott D. White, Andrea Warniment 2006-7-18 11631 Los Angeles SE Tehachapi Mtns, Gorman area, riparian zone along Gorman Creek, NE of the I-5 Freeway 1098 Comment
  SBBG77282  Juncus balticus F. R. Fosberg 1931-4-15 4619 Los Angeles Middle Ranch Cyn 180 Comment
  UCR206453  Juncus balticus R. G. Swinney 2008-6-9 8960 Los Angeles San Gabriel Mtns., Sandrock Creek, 1.0 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  SD30903  Juncus balticus subsp. ater H. Ritter 1931-4-25 1977 Los Angeles Los Angeles River, near Los Feliz Road. Comment
  UCR270449  Juncus bufonius var. bufonius R. G. Swinney 2011-6-30 15410 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  UCR223496  Juncus effusus R. G. Swinney 2009-6-2 11001 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UCR177220  Juncus macrophyllus LeRoy Gross, Michael Denslow, B. Hogshead, Sarah Swartzentruber 2003-6-17 1072 Los Angeles Verdugo Mountains, North side of the mountains, south of Hostetter Motorway just off La Tuna Canyon Road, south of the 210 Fwy 564 Comment
  CATA3213  Juncus mexicanus Julie L. King 2016-11-30 32 Los Angeles Santa Catalina Island: East side of Big Springs Rd., in drainage to east of large Quercus macdonaldii, about 0.3 road miles from junction with Isthmus Rd. 102 Comment
  RSA368091  Juncus mexicanus Soil Conservation Service 1956-07 s.n. Los Angeles Along highway between Lancaster and Rosamond, Antelope Valley. Comment
  RSA368230  Juncus mexicanus Ralph Hoffmann 1930-4-28 2335 Los Angeles Lancaster Comment
  RSA747163  Juncus rugulosus R. G. Swinney 2008-5-30 8911 Los Angeles San Gabriel Canyon, 0.4 mi. above (east) of El Encanto park office, on shoulder of the old road 268 Comment
  UCR210001  Juncus rugulosus R. G. Swinney 2008-7-12 9175 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  RSA368356  Juncus textilis Robin S. Collins 1973-5-28 328 Los Angeles Angeles National Forest, San Gabriel Mountains: Trail Canyon. 1098 Comment
  UCD141895  Juncus textilis Louis C. Wheeler 1931-9-27 166 Los Angeles San Dimas Canyon, San Gabriel Mountains. 609 Comment
  UCR125901  Juncus textilis A. C. Sanders, Mark Elvin, Julie M. Vanderwier, M. S. Enright 2002-6-26 25301 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, south of Santa Clara River, above river gate into ranch 305 Comment
  RSA304360  Juncus tiehmii Barbara Ertter, Jeffrey L. Strachan 1980-5-18 3439 Los Angeles 0.5 mi N of S Fork Campground 1371 Comment
  CATA1273  Juncus xiphioides Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-12 2359 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon from road to beach 6 Comment
  LA201938  Juncus xiphioides J. & H. Sauer; M. Zadny 1971-6-6 4926 Los Angeles SANTA MONICA MOUNTAINS, Upper Rustic Canyon. Comment
  UCR117558  Juncus xiphioides A. C. Sanders, D. Malueg, K. D. Jones 1999-11-19 23274 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 762 Comment
  UCR276779  Juniperus californica R. G. Swinney 2011-4-1 14318 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
  SEINET7047916  Juniperus californica Steven R. Hill, Kate Kramer 2001-4-22 33365 Los Angeles North foothills of San Gabriel Mountains, Elizabeth Lake Road, 3.3 miles west of California Route 14, 0.9 mile west of Highland Street (25th Street West), west of Palmdale. Vicinity of Armagosa Creek. Elevation about 2800 feet. Comment
  SEINET10449665  Kalanchoe laciniata Jon Ricketson, Heidi H. Schmidt 1992-10-22 Ricketson 4873 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
  UCR147276  Keckiella breviflora Orlando Mistretta 1992-8-20 778 Los Angeles Transverse Ranges; San Gabriel Mtns, Mt. Gleason Management Unit; Mt Gleason, Tujunga Ranger District 1698 Comment
  CAS-BOT-BC235751  Keckiella cordifolia Tim Ross; Orlando Mistretta 1993-5-27 7320 Los Angeles W end of the San Gabriel Mtns: Ridge dropping westward from Loop Canyon Road (at 3060 ft) toward Wilson Canyon 841 Comment
  CAS-BOT-BC235769  Keckiella cordifolia Mrs. Brandegee 1889-5-1 s.n. Los Angeles Santa Catalina Island Comment
  NY790266  Keckiella cordifolia L. Abrams 1901-6-4 1694 Los Angeles Los [Tunas?-illegible] Canon, Santa Monica Mountains Comment
  RSA239494  Keckiella cordifolia E. R. Blakley 1963-12-8 6384 Los Angeles San Clemente Island, canyon head above Mosquito Cove, between triangulation points Malo and Chenity. 305 Comment
  UC527453  Keckiella cordifolia C. B. Wolf 1931-7-30 Los Angeles base Newhall Grade (0.25 mi above crossing of Los Angeles Aqueduct) 457 Comment
  UCR258618  Keckiella ternata R. G. Swinney 2010-9-13 13807 Los Angeles San Gabriel Mountains, Crystal Lake, within 100 m of shoreline 1691 Comment
  POM308422A  Keckiella ternata subsp. ternata Henry J. Ramsey, Henry J. Ramsey 1937-9-2 3098 Los Angeles Ladybug Canyon, Angeles Crest Highway. Comment
  RSA400477  Keckiella ternata subsp. ternata M. B. Dunkle 1933-7-11 3643 Los Angeles Upper San Gabriel Canyon, above dams; Cold Brook Camp. 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
  RSA0042466  Kickxia elatine Naomi Fraga 2014-4-2 s.n. Los Angeles Rancho Santa Ana Botanic Garden near pond and cultivar garden. 396 Comment
  CAS-BOT-BC123287  Koeleria cristata var. pinetorum LeRoy Abrams 1902-6-29 2599 Los Angeles Mt. Wilson Comment
  UC147339  Koeleria macrantha H. M. Hall May, 1902 3253 Los Angeles San Fernando Hills Comment
  LA204719  Krascheninnikovia lanata A. M. Johnson; 1932-4-17 3964 Los Angeles N of Palmdale Comment
  UCR197786  Krascheninnikovia lanata Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 119 Los Angeles Transverse Ranges; San Gabriel Mountains, north side of the mountains, right at the north end of Bob's Gap 1220 Comment
  UC1132171  Lamarckia aurea A. D. Gifford 1935-3-15 456 Los Angeles Angeles National Forest, Mouth of Elizabeth Lake Canyon Elizabeth Lake Canyon; Angeles National Forest, Elizabeth Lake Canyon 365 Comment
  UCSB403  Lamarckia aurea Wedberg, H. 1957-5-4 Los Angeles UCLA Faculty Hill Comment
  SEINET10598998  Lamarckia aurea John Quincy 1890-3-9 Fritchey s.n. Los Angeles Hills E Los Angeles. Comment
  RSA720183  Lamium amplexicaule LeRoy Gross 2007-3-12 2597 Los Angeles Base of northern side of the range. Behind the Foothill Athletic Club, at the southern end of Lowell Ave. 468 Comment
  UCR141858  Larrea tridentata R. G. Swinney 1997-9-6 5866 Los Angeles San Gabriel Mtns., 223rd St., 0.5 mi south of Fort Tejon Rd; about 30 ft east of road. 1195 Comment
  RSA714795  Lasthenia gracilis A. C. Sanders, Mark Elvin 2003-4-14 25952 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  SBBG131498  Lasthenia gracilis S. A. Junak, B. Collins 1991-4-24 SCI 183 Los Angeles W side of W Shore Rd 36 Comment
  RSA724480  Lathyrus laetiflorus K. Dobry 1991-5-22 d- 648 Los Angeles Soka University NE section. Santa Monica Mts. 1 mi East of Las Virgenes Rd off Muholland Hwy. Comment
  SBBG108950  Lathyrus odoratus S. A. Junak 1997-5-19 SCl 877 Los Angeles Ridge Rd, across from old airfield, at E end of abandoned building site 259 Comment
  RSA405697  Lathyrus vestitus subsp. laetiflorus H. M. Severance 1926-5-9 s.n. Los Angeles Little Sespe Canyon Comment
  RSA405706  Lathyrus vestitus subsp. laetiflorus M. B. Dunkle 1936-3-28 4710 Los Angeles Santa Catalina Island, Silverado Canyon. Comment
  UCSB3098  Lathyrus vestitus var. alefeldii H., J. 1935-3-15 Los Angeles San Dimas Exp. Forest; San Dimas watershed; San Dimas Dam; Sec. 19, T1N, R8W 457 Comment
  RSA0064057  Lathyrus vestitus var. vestitus R. G. Swinney 2010-4-20 12305 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  SBBG96848  Lathyrus vestitus var. vestitus S. Boyd with T. Ross, L. Arnseth 1990-4-7 4209 Los Angeles lower half of China Cyn, dunes at cyn mouth Comment
  UCR206503  Lavatera cretica A. C. Sanders, T. B. Salvato 2009-5-20 36860 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 73 Comment
  POM9942  Layia glandulosa F. W. Peirson 1921-7-3 s.n. Los Angeles 2 miles east of Rock Creek 2287 Comment
  UC557743  Layia platyglossa Nell Murbarger 1936-3-1 17 Los Angeles San Clemente Island Comment
  UCR191716  Layia platyglossa A. C. Sanders 2008-4-18 34956 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, west side of canyon toward mouth 977 Comment
  UCR194566  Layia platyglossa A. C. Sanders 2008-4-25 35113 Los Angeles Transverse Range; Western San Gabriel Mtns., hill slopes c. 0.8 mi. NE of old La Liebre Ranch, 0-0.3 mi. south of Hwy 138 970 Comment
  POM155627  Layia platyglossa subsp. campestris M. L. Bryan 1928-6-2 23 Los Angeles Mandeville Canyon, near Santa Monica Mts Comment
  POM7003  Layia platyglossa subsp. campestris P. A. Munz, L. T. Street, Williams 1919-4-5 2446 Los Angeles Puddingstone Creek, San Dimas Comment
  RSA589316  Layia platyglossa subsp. campestris Timothy S. Ross 1995-5-21 8607 Los Angeles San Clemente Island: Terrace on W side of Chenetti Canyon and just N of Smal Canyon. alt 4300ft. SSE of Rest triangulation point (1336ft) and 540ft NNW of slope tri. pt (781ft) 271 Comment
  SD70967  Layia platyglossa subsp. campestris R. Mitchel Beauchamp 1967-3-17 274 Los Angeles San Clemente Island; on slope of canyon below Lemon Tank. Comment
  UCR119565  Lemna minuta L. C. Wheeler 1952-11-29 7012 Los Angeles San Gabriel Mtns., Wildwood Canyon. Foothills north of San Dimas Comment
  POM184687  Lepechinia fragrans Joseph A. Ewan 1932-6-18 7356 Los Angeles Clear Creek Fork of Tujunga Canyon. 915 Comment
  RSA0003912  Lepechinia rossii Steve Boyd, Tammy Morgan 2004-5-11 11169 Los Angeles Head of Ruby Canyon on northern flank of Red Mountain, between Elizabeth Lake and San Francisquito canyons. 305 Comment
  UC14425  Lepidium fremontii H. M. Hall May 1 1902-May 3 1902 3037 Los Angeles vicinity Rock Creek; Antelope Valley 1066 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
  RSA534122  Lepidium lasiocarpum Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5085 Los Angeles San Clemente Island. Sand dunes of coastal terrace at West Cove, SW of the new landing field 6 Comment
  RSA347517  Lepidium nitidum B. A. Prigge 1986-3-19 6928 Los Angeles Santa Monica Mountains: 0.3 miles west of Mulholland Hwy on Pacific Coast Hwy. 30 Comment
  CATA1500  Lepidium strictum Mark L. Hoefs, Steven A. Junak 1996-5-1 2708 Los Angeles Santa Catalina Island: Avalon Canyon Road by horse stables 24 Comment
  SEINET13203170 Image available Lepidium virginicum R. G. Swinney 2010-1 12483 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. (San Fernando 7.5' Q.) (T3N R15W S20) 488 Comment
  UCR266386  Lepidium virginicum D. E. Bramlet, Allison D. Rudalevige 2009-4-27 4363 Los Angeles Transverse Range; San Gabriel Mtns., Big Tujunga Wash, along Oro Vista Ave. west of Big Tujunga Canyon Rd. 397 Comment
  RSA726750  Lepidium virginicum H. L. Bauer 1932-1-6 16798 Los Angeles Santa Monica Mtns. Comment
  RSA647946  Lepidium virginicum var. pubescens Naomi Zohman 1985-4-28 26 Los Angeles Junction of CA Hwy 39 and west fork of San Gabriel River. Forest Service Road, along the west fork. Comment
  RSA584014  Lepidium virginicum var. robinsonii Timothy S. Ross, S. D. Boyd 1991-4-25 4608 Los Angeles San Gabriel Mountains: lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at ca 1540 ft. elev.). 512 Comment
  POM361765  Lepidospartum squamatum F. R. Fosberg 1931-1-7 7108 Los Angeles Sierra Madre. 300 Comment
  POM6043  Lepidospartum squamatum I. M. Johnston 1917-8-23 1717 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  RSA381395  Lepidospartum squamatum R. F. Thorne, M. Z. Thorne 1966-11-1 41377 Los Angeles San Gabriel Mountains, Angeles National Forest; San Antonio Canyon near Mt. Baldy Village Comment
  RSA657164  Lepidospartum squamatum Joseph M. Keefe 1978-5-11 22904 A Los Angeles Verdugo Mountains: Stough Canyon, Firebreak Road, 0.5 km north of DeBell Golf Course, foothills of Verdugo Mtns, Burbank. 457 Comment
  RSA661005  Lepidospartum squamatum LeRoy Gross, Valerie Soza 2001-5-31 393 Los Angeles Vedugo Mountains Region: Southeast side. Disturbed flat area at end of road (bulldozed) east of Dead Horse Canyon, south off of Las Flores Mountain Way 366 Comment
  RSA0022558  Leptochloa Peter Rubtzoff 1988-10-7 9961 Los Angeles Gold Creek Road nesr junction with Little Tujunga Road, Little Tujunga Canyon, ca. 2 mi northeast of the entrance to Angeles National Forest, or ca. 4 mi northeast of junction of Osborne Street and Foothill Blvd. 479 Comment
  SDSU13484  Leptodactylon californicum David Shaari, Jennifer Swenson 1995-4-11 13 Los Angeles Western slope of small canyon branching off of Stokes Canyon Road, Approx. 1.5 miles from intersection with Mulholland Drive. 277 Comment
  RSA567529  Leptosiphon androsaceus T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3927 Los Angeles Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon. 1338 Comment
  CHSC83996  Leptosiphon breviculus John Dittes 1990-6-20 133 Los Angeles Transverse Range; San Gabriel Mountains; approximately 16.7 air-miles north of Monrovia, approximately 1.3 air-mile northeast of Vetter Mountain and 0.75 air-mile southwest of Chilao Station, in canyon of East Fork Alder Creek. 1493 Comment
  CHSC95416  Leptosiphon breviculus LeRoy Gross; Michael Denslow 2003-6-4 996 Los Angeles Transverse Ranges; San Gabriel Mountains region; Southeast of Dawson Saddle, south side of Angeles Crest Highway (Hwy. 2). UTM Zone; 3802915N, 0426388E. Just off the trail to Throop Peak, a short distance from the highway. 2439 Comment
  UCSB5172  Leptosiphon breviculus Kamb, Peter 1948-5-6 Los Angeles Desert foothills of the San Gabriel Mts. above Little Rock 975 Comment
  RSA250676  Leptosiphon breviculus R. F. Thorne, A. C. Gibson, J. P. Simon, D. J. McGillivray 1970-4-17 39513 Los Angeles Mojave Desert: Edge of Angeles National Forest; Grandview Canyon. Ca. 5 miles south of Highway 138, ca. 10 miles southeast of Pearblossom. 1432 Comment
  RSA707814  Leptosiphon parviflorus Naomi Fraga, Bill Hogshead 2004-4-15 1098 Los Angeles On Road 5N15.1 near Rowher Flat OHV Area. 793 Comment
  UCR45034  Leptospermum laevigatum A. C. Sanders 1986-7-30 6806 Los Angeles Pacific Slope, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr., east of Vista Del Mar Blvd 31 Comment
  SD234292  Leptosyne bigelovii A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25711 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Grapevine Mesa ca. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon. 334 Comment
  SD255654  Leptosyne bigelovii Mitch Provance, Callen Huff 2009-4-28 10672 Los Angeles Tehachapi Mountains; Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 1.3 miles ENE of Gorman; site P01086 (Lebec 7.5'Q) 1371 Comment
  UCSB42430  Leptosyne bigelovii Greenquist, J. 1978-5-14 Los Angeles On Red Rover Mine Rd. 200 yds. from Ca. Hwy 14 near Palmdale 1219 Comment
  UCR219277  Lessingia filaginifolia Jonas A. Winbolt, Rocky Brown 2010-8-20 014 Los Angeles Western Transverse Range, south of Santa Clarita, north side of Hwy I-5 and the Old Road, southeast of trailer park along powerline corridor 956 Comment
  RSA0135657  Lessingia glandulifera David E. Bramlet 2016-6-2 5312 Los Angeles Mt. Emma Road, 3,900 ft. northeast of Angeles Forest Highway, 6,000 ft. east of Kentucky Springs & 3,640 ft. south of BP&L Road. Northwest facing slope of Mt. Emma. 1209 Comment
  CAS-BOT-BC339286  Lessingia glandulifera var. glandulifera Carl B. Wolf 1932-9-15 4078 Los Angeles Mint Canyon, 9 1/2 mi. above Saugus. Opposite Glenwood's Cafe on Highway 457 Comment
  UCR271601  Lessingia glandulifera var. glandulifera R. G. Swinney 2011-10-13 15792 Los Angeles San Gabriel Mountains, Chilao Flat, jct. of Chilao Flat Rd. (north entrance) & Silver Moccosin Trail 1582 Comment
  POM11662  Lewisia rediviva P. A. Munz 1921-6-17 4609 Los Angeles Swartout Valley, on high ridge. 2287 Comment
  CAS-BOT-BC444442  Lewisia rediviva var. minor I. M. Johnston 1917-7-3 1412 Los Angeles San Antonio Mountains. Head of San Antonio Canon [Canyon] 2438 Comment
  RSA205604  Leymus condensatus Le Roy Abrams 1902-7-2 2638 Los Angeles Little Santa Anita Canyon, Sierra Madre [San Gabriel Mountains.] Comment
  RSA618712  Leymus triticoides Scott D. White 6639 Los Angeles Castaic Lake area: Grasshopper Canyon watershed, between I-5 Freeway / Old Ridge Route and lake. Proposed North Lake Planned Community. 427 Comment
  RSA748079  Leymus triticoides R. G. Swinney 2005-7-8 8277 Los Angeles Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, west of and adjacent to Longview Road 1216 Comment
  UC625076  Leymus triticoides F. R. Fosberg 1931-5-18 S 4991 Los Angeles Little Harbor Santa Catalina Island 2 Comment
  UCD87719  Leymus triticoides Peter H. Raven 1962-5-22 17851 Los Angeles Santa Catalina Island. 1 mile below Middle Ranch. Comment
  SFV18080  Limonium perezii E. Brown, A. Alcantara 1993-4-8 s. n. Los Angeles Palos Verdes Peninsula. Behind the gates at the end of Via Margarita Street, off of Palos Verdes Drive West. Take trail to cliffs and proceed down to the shoreline. About 500 feet north of end of trail. 3 Comment
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Jul 8 2014
  RSA250508  Limosella acaulis Robert F. Thorne, John Dourley 1967-10-10 37340 Los Angeles San Gabriel Mtns., Angeles National Forest: Jackson Lake. 1867 Comment
  UCR139934  Linanthus androsaceus subsp. micranthus L. C. Wheeler 1973-4-21 s.n. Los Angeles San Gabriel Mtns., foothills of mountains, 2 mi NE of Vincent 991 Comment
  POM6383  Linanthus aureus L. T. Street, G. Williams 1919-5-10 2716 Los Angeles San Gabriel River near Bassett. 90 Comment
  UCR138908  Linanthus breviculus L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mtns, Divide between Punchbowl Canyon and Watkins Creek, at end of the road and beginning of Burkhart Trail 1585 Comment
  JEPS58395  Linanthus dichotomus Frank W. Peirson 1919-5-10 393 a Los Angeles Arraster Creek San Gabriel Mountains 914 Comment
  RSA515167  Linanthus parryae Steve Boyd, Orlando Mistretta 1986-3-31 1538 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  UC1250453  Linanthus parryae Isabelle Tavares, Valera Brinson 1962-4-18 290 Los Angeles 26 mi E of Palmdale (on Hwy. 138) 1036 Comment
  UC907959  Linanthus parryae Herbert L. Mason 1926-4-26 2990 Los Angeles 1 mi E of Palmdale; Mohave Desert Comment
  RSA228745  Linanthus parryae Wesley O. Griesel 1962-4-14 553 Los Angeles Little Rock Dam, desert Foothills. 976 Comment
  UC908616  Linanthus parviflorus Herbert L. Mason 1926-4-26 2965 Los Angeles Mint Canyon Road, summit of 1st grade Comment
  RSA0082880  Linanthus pungens R. G. Swinney 2011-7-21 15533 Los Angeles Strawberry Peak summit. 1860 Comment
  RSA187713  Linaria canadensis var. texana Robert F. Thorne 1966-4-6 35933 Los Angeles Santa Catalina Island: about 1 mile W of Empire Landing 213 Comment
  RSA729537  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
  RSA0051513  Lithophragma affine Elwood Fordham 1951-4-15 s.n. Los Angeles Old Topanga Canyon, near Heron Pl. Gate. 289 Comment
  POM92064  Lithophragma affine subsp. mixtum H. E. Hasse 1890-04 s.n. Los Angeles [Los Angeles?] Comment
  CHSC8284  Lithophragma heterophyllum Edward L. Smith 1957-4-25 226 Los Angeles In Little Dalton Canyon, San Gabriel Mountains. 365 Comment
  RSA562567  Lithophragma heterophyllum Steve Boyd, W. Appleby 1993-4-22 7983 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon 854 Comment
  UCR146528  Lobelia dunnii Scott D. White 2004-7-28 10658 Los Angeles San Gabriel Mtns., Clear Creek area. In and around the 'The Pines' Picnic area, immediately south of Angeles Forest Hwy, c. 0.5 mi west of jtn. with Angeles Crest Hwy. 1052 Comment
  RSA611027  Lobelia dunnii var. serrata L. C. Wheeler 1932-9-9 1361 Los Angeles San Antonio Canyon. 1067 Comment
  UCR272515  Lobelia dunnii var. serrata R. G. Swinney 2011-10-27 15933 Los Angeles San Gabriel Mountains, 1.4 miles east (downstream) from entrance gate to Cogswell Dam, at confluence of Butterfield Cyn. and W Fork San Gabriel River, along West Fk. Natl. Scenic Bikeway 634 Comment
  SBBG106259  Lobularia maritima S. A. Junak with M. C. Hochberg, H. Ferguson 1981-7-28 SCl 17 Los Angeles around buildings at old airfield, on W side of main rd 252 Comment
  RSA562624A  Loeflingia squarrosa subsp. artemisiarum D. Charlton 1991-5-18 5182 Los Angeles Piute Ponds, Edwards Air Force Base. Old Homestead road just east of ponds, south of Rosamond Dry Lakebed. 701 Comment
  RSA727362  Loeseliastrum matthewsii R. G. Swinney 1998-5-16 6066 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  RSA77065  Loeseliastrum matthewsii F. W. Peirson 1917-5-13 2830 Los Angeles West of Little Rock. Comment
  SBBG131961  Logfia arizonica S. A. Junak, B. Collins 1991-4-24 SCI 163 Los Angeles first intersection below top of Eel Pt grade 182 Comment
  CHSC35836  Lolium multiflorum James Henrickson 1973-6-15 10710 Los Angeles City of Long Beach, along overflow channel W of Los Angeles River Channel between Long Beach Blvd. and Del Mar Ave. 6 Comment
  RSA601023  Lolium perenne L. C. Wheeler 1967-5-13 9502 Los Angeles San Gabriel Mountains; mesa between Little Dalton and Englewild canyons. 373 Comment
  RSA452079  Lomatium dasycarpum G. R. Proctor 1944-3-4 801 Los Angeles Santa Susana Pass Comment
  POM3254  Lomatium dasycarpum subsp. dasycarpum C. F. Baker 1904-04 4752 Los Angeles Claremont. 365 Comment
  RSA452080  Lomatium dasycarpum subsp. dasycarpum L. C. Wheeler 1934-4-15 2523 Los Angeles San Gabriel Mountains: Liveoak Canyon. 488 Comment
  RSA21780  Lomatium dissectum var. multifidum C. B. Wolf 1937-5-20 8741 Los Angeles Tehachapi Mts., 1 mi. so. of Tejon Pass on Hungry Valley Road. 1280 Comment
  RSA0080963  Lomatium nevadense R. G. Swinney 2010-6-1 13100 Los Angeles San Gabriel Mountains: lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy. 1098 Comment
  OBI8887  Lomatium utriculatum W. L. Jepson 1939-4-21 19228 A Los Angeles Leonis Valley 975 Comment
  RSA452145  Lomatium vaginatum Robert Gustafson 1978-5-2 891 Los Angeles Off dirt road leading into Hungry Valley 0.2 mile from the junction with the 2-lane paved Peace Valley Rd., west of Gorman 1249 Comment
  POM243775  Lonicera hispidula var. vacillans F. R. Fosberg 1931-4-8 S- 4518 Los Angeles Santa Catalina Island; Avalon Valley 60 Comment
  RSA99372  Lonicera hispidula var. vacillans F. W. Peirson 1951-8-7 4502 Los Angeles Sturdevant's Camp, Big Santa Anita Canyon. 1067 Comment
  LA105307  Lonicera subspicata var. denudata Barry A. Prigge; David S. Verity 1988-10-6 8343 Los Angeles Santa Monica Mountains, Medea Creek; Cornell Corners area, 0.25 mi. S of Ventura Freeway on Cornell Road Comment
  CAS-BOT-BC198540  Lotus Elizabeth McClintock 1965-7-2 s.n. Los Angeles Table Mountain, above Wrightwood, San Gabriel Mountains 2133 Comment
  CDA972  Lotus argophyllus var. argenteus D. G. Kelch 1991-3-23 s.n. Los Angeles Catalina Island. East of Avalon. Comment
  JEPS55414  Lotus argophyllus var. argophyllus A. M. Ottley 1920-5-9 655 Los Angeles Mt. Wilson, road to summit San Gabriel Mts., Mt. Wilson 1219 Comment
  RSA191194  Lotus argophyllus var. argophyllus R. F. Thorne 1967-7-19 37208 Los Angeles West shore of Crystal Lake Comment
  POM2445  Lotus crassifolius var. crassifolius L. R. Abrams 1918-7-3 587 Los Angeles north Baldy Mt. Rock Creek Canyon Comment
  RSA748362  Lotus crassifolius var. crassifolius Scott D. White, Justin M. Wood 2009-5-6 12659 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  UCR13461  Lotus dendroideus 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
  RSA406916  Lotus dendroideus var. dendroideus F. R. Fosberg 1931-3-19 S 4303 Los Angeles Hamilton Canyon, Santa Catalina Island. Comment
  UC33440  Lotus dendroideus var. dendroideus Dr. A. A. Davidson Los Angeles Santa Catalina Island Comment
  PASA1085  Lotus grandiflorus 1929-5-17 Los Angeles Ridge Route Comment
  RSA748345  Lotus heermannii Justin M. Wood 2009-6-1 793 Los Angeles Mill Creek Summit, roadisde turnout on Angeles Forest Hwy, 0.75 NE of Mt. Gleason Rd. junction. 1399 Comment
  UCR173849  Lotus heermannii Michael Honer 2004-6-22 1985 Los Angeles San Gabriel Mtns, San Antonio Canyon: along Mount Baldy Rd. between Spruce Canyon and 'Hog Back 1159 Comment
  POM50650  Lotus heermannii var. heermannii L. R. Abrams 1900-08 870 Los Angeles San Gabriel Canyon Comment
  RSA632448  Lotus humistratus L. C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast of Vincent. 991 Comment
  RSA164791  Lotus nevadensis var. davidsonii Wesley O. Griesel 1963-7-11 825 Los Angeles Cloudburst summit 2134 Comment
  RSA729386  Lotus oblongifolius var. oblongifolius R. G. Swinney 1998-7-14 6434 Los Angeles SW of Wrightwood, 7.1 miles SE of Hwy 2 and 3N06 junction at 3N39, stream crossing road in a tributary canyon of Prairie Fork. 2171 Comment
  JEPS8612  Lotus oblongifolius var. oblongifolius Rimo Bacigalupi with G. T. Robbins and L. R. Heckard 1953-6-15 4205 Los Angeles 8.8 mi w (below) Messenger Flat Forest Service Public Camp (at crossing of North Fork Pacoima Creek); San Gabriel Mountains, Angeles National Forest 1188 Comment
  UCR218020  Lotus purshianus A. C. Sanders, Dan S. Cooper 2010-8-5 38536 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  SFV1842  Lotus salsuginosus K. A. Wilson 1961-3-7 943 Los Angeles Santa Monica Mountains Mulholland Highway about 2 miles west of Las Virgenes Road. Disturbed, sandy slope. Comment
  RSA190894  Lotus salsuginosus R. F. Thorne 1967-5-19 36897 Los Angeles Santa Catalina Island, at Indian Head Point 91 Comment
  RSA592695  Lotus salsuginosus L. C. Wheeler 1967-5-8 9325 Los Angeles Liebre Mountains. Foothills northeast of Saugus. 396 Comment
  POM82719  Lotus salsuginosus var. salsuginosus P. A. Munz 1925-4-23 9446 Los Angeles San Gabriel Canyon. 488 Comment
  UCR280858  Lotus scoparius subsp. brevialatus R. G. Swinney 2014-4-23 16152 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains 1256 Comment
  UCR259669  Lotus scoparius subsp. scoparius R. G. Swinney 2010-4-1 12146 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
  UCR177568  Lotus scoparius var. brevialatus LeRoy Gross 2005-5-3 2251 Los Angeles Transverse Range; San Gabriel Mountains, west terminus of Holcomb Ridge, west of Big Rock Creek, along the east [and] NE side of hill. North of Fort Tejon Road, west of Valyermo Road [also T5N, R9W SW/4 sec. 31] 1215 Comment
  POM19154  Lotus scoparius var. brevialatus P. A. Munz 1923-5-27 6887 Los Angeles Mt. Wilson Comment
  UC1922300  Lotus scoparius var. scoparius Valerie Soza, Miriam Sidibeh 2003-3-26 1600 Los Angeles Transverse Ranges; Verdugo Mountains region; North side of La Tuna Canyon, Haines Canyon Park vicinity, southwest of Dorothy and Estepa Dr. intersection. 549 Comment
  RSA656428  Lotus strigosus Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 704 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. 579 Comment
  UC168718  Lotus strigosus unknown Jun 15 1906-Jun 18 1906 Los Angeles Summit of Mt. Wilson San Gabriel Mts. 1828 Comment
  RSA523162  Lotus strigosus T. S. Ross 1991-2-23 4106 Los Angeles Whittier Hills (Puente Hills): Upper Turnbull Canyon on slope dropping WNW from Turnbull Canyon Road x Skyline Drive. 292 Comment
  RSA611628  Lotus wrangelianus Steve Boyd, Valerie Soza, Mike Kinney, J. Mark Porter 1998-3-24 10110 Los Angeles Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon. 609 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
  RSA660177  Lupinus andersonii Orlando Mistretta 1992-5-25 446 Los Angeles Fenner Canyon Conservation Camp. S side of camp. Comment
  LA52462  Lupinus bicolor Carl Epling; March 1925 6042 Los Angeles Santa Monica Mountains, Griffith Park Comment
  RSA652731  Lupinus bicolor Kurt Zeiher 1949-5-7 s.n. Los Angeles Collected Dalton Canyon River Bed 30 Comment
  SD227814  Lupinus bicolor G. Helmkamp 1997-3-6 1345 Los Angeles Western Mojave Desert west of Lancaster. Flat area used for sheep grazing at 125th St. & CA-138. 762 Comment
  UCD107313  Lupinus bicolor A. C. Sanders; D. Malueg 1998-6-22 22042 Los Angeles San Gabriel Mountains. Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon. 1006 Comment
  UC1183622  Lupinus bicolor Dave Dunn 1941-3-29 954 Los Angeles Las Lomas Road near Foothill Blvd. near Verne; near LaVerne Comment
  UC1183624  Lupinus bicolor Dave Dunn 1941-3-29 968 Los Angeles at Foothill Blvd. Sierra Madre Sierra Madre Comment
  RSA549543  Lupinus bicolor subsp. microphyllus T. S. Ross 1992-4-27 6247 Los Angeles Claremont: S side of Indian Hill mesa, SW of RSA grounds 393 Comment
  SEINET10484944  Lupinus bicolor subsp. tridentatus Ernest C. Twisselmann 1966-4-27 Twisselmann 12109 Los Angeles Sw side of antelope valley, los angeles county. Flowers blue. Abundant on an abandoned farming field, growing in light Gravelly soil. Originally joshua tree woodland. 884 Comment
  RSA102541  Lupinus chamissonis McFadden 1929-2-22 s.n. Los Angeles El Segundo. Comment
  RSA594537  Lupinus concinnus L. C. Wheeler 1967-5-9 9374 Los Angeles Aliso Canyon, east of Acton, ca. 1 mile downstream from Wagon Wheel Ranch. 1067 Comment
  SBBG118692  Lupinus concinnus O. Mistretta 1992-4-5 153 Los Angeles Guds Comment
  SBBG59442  Lupinus concinnus S. A. Junak with K. Kirkland 1998-5-2 SCa 648 Los Angeles S of rd to East Pk, on ridge SW of Pk 1245, ca. 0.9 air mi WNW of East Pk 243 Comment
  UCR205835  Lupinus concinnus R. G. Swinney 2008-5-8 8786 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  RSA0107885  Lupinus concinnus Steven A. Junak, Keri Kirkland 1998-4-30 SCa- 558 Los Angeles Santa Catalina Island: Upper part of Hamilton Canyon drainage, just downslope from Airport Road. 305 Comment
  RSA250346  Lupinus elatus R. F. Thorne 1972-8-11 42209 Los Angeles Mt. Waterman: East end of Mt. Waterman ridge 2317 Comment
  RSA414469  Lupinus elatus Robert Gustafson 1983-7-18 2786 Los Angeles San Gabriel Mountains, Angeles Crest Highway, Pine Hollow 2134 Comment
  RSA87205  Lupinus elatus F. W. Peirson 1921-6-16 2438 Los Angeles Waterman ridge 2287 Comment
  UCR78130  Lupinus excubitus Wandalee Thompson 1964-4-14 14 Los Angeles Transverse Range; Liebre Mtns., Oakdale Canyon at mouth of Richardson Canyon, 2 miles west of Three Points on N-2, Pine Canyon Road, 1159 Comment
  RSA0016875  Lupinus excubitus var. hallii Lyman Benson 1945-6-5 11753 Los Angeles Cold Spring [Forked Spruce Spring], 2.5 miles NW [SW] of Camp Baldy on the Glendora Road. Mt. Range: San Gabriel; Drainage Area: Pacific Slope. 1372 Comment
  POM11096  Lupinus formosus H. D. Collins 1921-4-22 33 Los Angeles Claremont. 366 Comment
  SBBG69100  Lupinus formosus R. Hoffmann 1931-5-2 511 Los Angeles above narrow Bouquet Cyn Comment
  UC15862  Lupinus formosus unknown April, 1893 42 Los Angeles Comment
  UCR271050  Lupinus formosus var. formosus R. G. Swinney 2011-6-6 15019 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  RSA252941  Lupinus formosus var. formosus R. F. Thorne 1973-4-24 43431 Los Angeles Ft. Tejon Road near junction with Longview Road, c. 3 mi S of Pearblossom Road 1067 Comment
  UCR94467  Lupinus guadalupensis M. B. Dunkle 1939-4-5 7279 Los Angeles Channel Islands, San Clemente Island, Pyramid Cove 8 Comment
  RSA0056570  Lupinus hirsutissimus Daisie Huang 2007-3-23 07032301 Los Angeles Claremont; Foothill Blvd. at Monte Vista. 402 Comment
  POM2439  Lupinus hirsutissimus Philip A. Munz 1918-4-16 2067 Los Angeles Claremont. Comment
  RSA529171  Lupinus hyacinthinus T. S. Ross 1991-7-24 5664 Los Angeles Granite Mountain vicinty: San Gabriel Mtns. 1890 Comment
  RSA729434  Lupinus hyacinthinus R. G. Swinney 1998-7-14 6445 Los Angeles Pine Mountain Ridge; 0.8 mi. west of Camp Lupine trail. Broad ridge top. 2262 Comment
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May 4 2010
  SEINET10489276  Lupinus latifolius subsp. parishii Robert F. Thorne, Mae Z. Thorne 1969-7-10 Thorne 38412 Los Angeles San gabriel mts., Angeles nat'l forest: moist sandy flat along stream just e of Holiday hill ski area, swarthout valley; tall perennial c. 1 1/2 M. With Lavender fls. 1996 Comment
  SBBG67019  Lupinus odoratus R. Hoffmann 1929-4-27 Los Angeles Lancaster Comment
  RSA670754  Lupinus sparsiflorus Joseph M. Keefe 2001-4-8 31203 Los Angeles San Rafael Mountains. North side of Upperton Avenue (north across street from 1871 Upperton Avenue) at intersection with Upperton Place; pass in ridge between Eagle Rock Valley and York Valley (Highland Park); Los Angeles, CA 90042. 262 Comment
  UCR259934  Lupinus sparsiflorus R. G. Swinney 2010-3-18 11971 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road 540 Comment
  UC73236  Lupinus sparsiflorus E. D. Palmer May 1903 Los Angeles near Occidental College; Los Angeles, near Occidental College Comment
  UCD109471  Lupinus sparsiflorus C. F. Baker 1909-3-20 5249 Los Angeles Claremont. Comment
  SEINET11091455 Image available Lupinus sparsiflorus subsp. sparsiflorus G. B. Grant 1904-5-10 731 Los Angeles Pasadena Comment
  RSA656102  Lupinus subvexus James Henrickson 1985-3-30 19762 Los Angeles 3 air mi. NNW of Newhall in proposed North Hills development just north of Santa Clara River and just E of San Francisquito Creek. 370 Comment
  RSA746775  Lupinus succulentus R. G. Swinney 2008-4-17 8682 Los Angeles San Dimas, ridge between Sycamore and Shay canyons. 497 Comment
  SEINET269224  Lupinus succulentus Scott D. White, Chet McGaugh 1995-5-16 3076 Los Angeles E edge of Santa Susana Mts W of San Grabriel Mts. Sunshine Canyon Landfill property: W of San Fernando Rd and I-5 Fwy 457 Comment
  RSA414306  Lupinus succulentus Robert Gustafson 1981-4-29 2218 Los Angeles Ballona Wetlands, Area 1. Comment
  RSA414319  Lupinus succulentus E. S. Spalding 1923-3-28 s.n. Los Angeles Claremont. Comment
  SEINET3131622  Lupinus succulentus G. B. Grant 737 Los Angeles Lincoln Park Comment
  UCSB47224  Lupinus succulentus Purviance, Susan 1979-3-19 Los Angeles 1/2 mi. east of Pacific Coast Highway on Encinal Canyon Road Comment
  RSA414370  Lupinus truncatus L. C. Wheeler 1934-3-24 2471 Los Angeles Liveoak Canyon, San Gabriel Mountains. 473 Comment
  RSA414389  Lupinus truncatus T. S. Clare 1929-3-28 s.n. Los Angeles Topanga Canyon. Comment
  SBBG131998  Lupinus truncatus S. A. Junak 1996-4-14 SCI 333 Los Angeles base of bluffs, between Triangulation Pt "Jack" and Nanny Cyn 3 Comment
  RSA233584  Lycium californicum Robert F. Thorne 1970-3-6 39398 Los Angeles Indian Rock in Emerald Bay, Santa Catalina Island. 15 Comment
  RSA576124  Lycium californicum F. H. Elmore 1939-2-18 397 Los Angeles San Clemente Island. Comment
  UCR255764  Lycium cooperi R. G. Swinney 2010-5-12 12710 Los Angeles San Gabriel Mountains/Mojave Desert, Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone 921 Comment
  SEINET10884636  Lycopersicon esculentum Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2586 Los Angeles City of Pasadena. Trader Joe's, 610 S. Arroyo Pkwy. Comment
  UC146425  Lycopus americanus T. W. Minthorn 1908-9-9 Los Angeles San Gabriel R. bottom San Gabriel R. Comment
  UC1929501  Lyonothamnus floribundus Mark Elvin, Michael Wall, Jennifer Stone 1996-8-7 310 Los Angeles Channel Islands; San Clemente Island: Conchulagua Canyon. In canyon floor. Shelf under a 25' cliff. Comment
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Feb 6 2018
  SD79062  Lyonothamnus floribundus subsp. aspleniifolius R. M. Beauchamp 1967-1-29 164 Los Angeles San Clemente Island, old trees growing in side arm of canyon west of Thirst. Comment
  RSA187708  Lyonothamnus floribundus subsp. floribundus Robert F. Thorne 1966-9-15 36683 Los Angeles Santa Catalina Island. N side of West Peak, W end of island 518 Comment
  RSA187783  Lyonothamnus floribundus subsp. floribundus Robert F. Thorne 1966-4-29 36320 Los Angeles Santa Catalina Island. Below road to White's Landing above turn-off to Echo Lake 404 Comment
  SBBG96538  Lyonothamnus floribundus var. floribundus M. C. Carroll 1990-9-29 3003 Los Angeles N side of rd above Parson's Landing 304 Comment
  POM3038  Lythrum californicum M. Hitchock 1918-7-28 27 Los Angeles Pacoima Canyon. Comment
  UCR185600  Madia elegans A. C. Sanders 2007-4-25 33578 Los Angeles Tehachapi Mtns., Oso Canyon, 0.25 mi. SE of the Kern Co. line along Oso Cyn. Rd. 1159 Comment
  UCR253913  Madia elegans Mitch Provance 2010-5-9 0510- 10 Los Angeles Westernmost Mojave Desert, c. 1.5 miles WNW of intersection of Hwy 138 and 300th St. W, c. 6 miles west of Neenach 940 Comment
  RSA92230  Madia minima F. W. Peirson 1921-6-14 2457 Los Angeles San Gabriel Mountains. Pine Flats, headwaters of Tujunga Creek. 1676 Comment
  CAS-BOT-BC203923  Malacothamnus clementinus Frank W. Peirson 1923-4-9 3458 Los Angeles N. slope canon [canyon] at Lemmon [Lemon] Tank, San Clemente Is. Comment
  RSA320824  Malacothamnus clementinus F. C. Boutin 1967-4-23 1655 Los Angeles San Clemente Island: E side of island, Lemon Tank, a dump site. 305 Comment
  CAS-BOT-BC231882  Malacothamnus davidsonii Elmer I. Applegate 1931-11-2 6827 Los Angeles San Fernando Wash, San Fernando 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
  RSA575102  Malacothamnus fremontii R. G. Swinney 1994-6-12 2937 Los Angeles Ca. 1.7 mi. N of jct of Hwy 138 & Soledad Rd, just W of San Bernardino County line/ Approx. 150 m W of Boneyard Canyon. 1311 Comment
  RSA580308  Malacothamnus fremontii Tim S. Ross, Steve D. Boyd 1994-5-25 7927 Los Angeles Necktie Basin: hanging basin ca 470-830 meters W of Warm Springs Mountain summit. These collections from ca. 600-800 meters WSW of summit. 1061 Comment
  RSA587813  Malacothamnus fremontii Orlando Mistretta, Steve D. Boyd, D. L. Banks 1994-4-29 1138 Los Angeles San Gabriel Mountains, Santiago Canyon. 1143 Comment
  RSA730299  Malacothamnus fremontii R. G. Swinney 1998-9-4 6919 Los Angeles San Gabriel Mtns.: NW of Wrightwood, eastern end of Jackson Flat. 2287 Comment
  SBBG121872  Malacothamnus fremontii A. Parikh, N. Gale 2005-5-20 774 Los Angeles North Sierra Pelona, 2 km S of California Aqueduct, 3.6 km W of St Hwy 14 1005 Comment
  SFV2306  Malacothamnus marrubioides R. L. Armacost 1933-7-4 11 dup. Los Angeles San Gabriel Mountains Vasquez Rocks, near Newhall, just south of Agua Dulce. 790 Comment
  SBBG72792  Malacothamnus orbiculatus R. Hoffmann 1931-10-1 Los Angeles near Oak's Garage, Mint Cyn Comment
  RSA94958  Malacothrix clevelandii F. W. Peirson 1920-6-10 4314 Los Angeles Maple Springs Trail to Mt. Lowe 1219 Comment
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Jul 19 2008
  RSA0119673  Malacothrix glabrata R. G. Swinney 2014-4-30 16262 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
  RSA95004  Malacothrix glabrata F. W. Peirson 1917-5-13 1477 Los Angeles Near Little Rock, Mojave Desert. Comment
  SD255659  Malacothrix saxatilis Ian Cain 2010-5-6 1397 Los Angeles East of Whitter in the Hacienda Heights; 1.08 km south east sof Rose Hills Chinese Temple. 262 Comment
  SBBG95393  Malacothrix saxatilis var. tenuifolia M. B. Dunkle 1928-5-13 1956 Los Angeles Pebbly Beach, by rd Comment
  RSA611923  Malva parviflora Louis C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  CDA5029  Malva parviflora L. C. Wheeler 1967-5-18 9650 Los Angeles San Gabriel Mountains; Placerita Canyon, vicinity of Oak of the Golden Dream. Comment
  SDSU8128  Malva parviflora Gerald Collier 1951-4-17 304 Los Angeles 11621 Mavfeilo Ave, L.A 49. Comment
  RSA0004201  Malvastrum gabrielense F. W. Peirson 1921-7-1 774 Los Angeles Arraster Creek, San Gabriel Mts 1067 Comment
  UCR256928  Malvella leprosa Jeremiah George 2012-4-25 s.n. Los Angeles Compton, decommissioned railroad right-of-way NW of intersection of W Carob St. and South Acacia Ct., c. 1000 ft. west of Compton Creek channel, south of W Greenleaf Blvd., Rancho Dominguez area 21 Comment
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Jan 26 2015
  UC1215217  Malvella leprosa Peter H. Raven 1962-7-10 17956 Los Angeles n. of a point due w. of Wall 2 San Clemente Isl. Comment
  UCR142073  Marah A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26114 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam 518 Comment
  OBI14819  Marah macrocarpa Bill Arbaugh 1966-3-27 15 Los Angeles Cold Canyon Rd, Santa Monica Mts 457 Comment
  RSA717417  Marah macrocarpa Gary Kovnat, LeRoy Gross 2003-1-19 5 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace south descending trail. Comment
  UCD107546  Marah macrocarpa Kenneth R. Montgomery; Thomas W. Strid 1973-6-7 73- 157 Los Angeles Dillon Divide, San Gabriel Mountains. Comment
  SEINET13710414  Marah macrocarpa J. Adams, J. Adams (Botany) 1963-1 1 Los Angeles Claremont, Pomona College Wash 1100 Ft 335 Comment
  RSA0022524  Marrubium vulgare Duncan S. Bell, Caitlin Elam 2013-6-24 5248 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, between Allison Gulch and Rattlesnake Canyon. 740 Comment
  RSA657364  Marrubium vulgare Joseph M. Keefe 2001-1-19 30953 Los Angeles South by southeast face of The Eagle Rock, Eagle Rock District, Los Angeles. 305 Comment
  RSA179938  Marrubium vulgare E. C. Twisselmann 1965-5-18 10854 Los Angeles Aqueduct Road at the northwest end of Antelope Valley (Neenach region). 945 Comment
  SEINET3347181  Matricaria discoidea R. G. Swinney 2009-4-24 10497 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert; Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam (Pacifico Mountain 7.5' Q) 963 Comment
  HSC6018  Matricaria discoidea C. S. Apperson 1967-6-3 Los Angeles 14 mi. from Gorman on Ave. D Comment
  UCD115960  Matthiola incana Daryl Koutnik 1978-3-30 s.n. Los Angeles Dockweiler Beach, south of Ballona Creek. 15 Comment
  LA200734  Meconella denticulata Martha Hilend; 1929-4-10 347 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  UCR45039  Medicago lupulina A. C. Sanders 1986-7-30 6822 Los Angeles Pacific Slope, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr., east of Vista Del Mar Blvd 31 Comment
  CAS-BOT-BC174974  Medicago lupulina Timothy S. Ross; Steve Boyd; Steve Burns 1994-7-6 8096 Los Angeles Cottonwood Swamp: Confluence of San Francisquito Canyon stream and two tributaries draining off the southeast slopes of Red Mountains 515 Comment
  RSA0089140  Medicago polymorpha R. G. Swinney 2010-5-7 12596 Los Angeles Lake View Terrace, Oliver Canyon, 0.85 air miles north of I-210 Fwy., c. 100 meters east of cyn. bottom along private dirt service rd. 463 Comment
  RSA675004  Medicago polymorpha LeRoy Gross 2003-2-22 735 Los Angeles South side; A short distance up mouth of Brand Canyon, south next to Brand Canyon Cemetery. North of the Debris Basin. 287 Comment
  RSA601062  Medicago sativa Steve Boyd, Lauren Raz 1997-6-18 9996 Los Angeles Liebre Mountains region: Along Elizabeth Lake Road in Leona Valley (San Andreas Fault Rift zone), south of Ritter Ridge, 3.6 road miles west of intersection with Highland St. 890 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
  RSA594543  Melica imperfecta F. R. Fosberg 1931-8-11 788 Los Angeles Islip trail, south slope Mount Hawkins. 2200 Comment
  UCR223358  Melica stricta R. G. Swinney 2009-5-20 10829 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  OBI26219  Melilotus albus Mark Schneider 1974-1-3 s.n. Los Angeles 7-Hills Ranch, Avocado orchard, Tujung 549 Comment
  SBBG18024  Melilotus albus D. E. Breedlove 1961-9-24 1292 Los Angeles Middle Ranch Cyn, 0.5 mi above Ben Weston Beach 60 Comment
  RSA0039140  Melilotus indicus R. G. Swinney 2010-3-10 11788 Los Angeles Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes. 305 Comment
  UCR193440  Mentzelia R. G. Swinney 1999-6-5 7254 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  RSA746839  Mentzelia albicaulis R. G. Swinney 2008-5-8 8781 Los Angeles West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  UCR280760  Mentzelia albicaulis R. G. Swinney 2014-4-30 16276 Los Angeles San Gabriel Mountains, 3.8-4.0 miles south of Hwy. 138, c. 100 meters west of Largo Vista Road toward ridge 1387 Comment
  UC1871133  Mentzelia gracilenta T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4805 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  RSA679292  Mentzelia laevicaulis Mark A. Elvin, Anne Marie Ruff 1996-8-1 296 -C Los Angeles San Gabriel Mtns. Angeles National Forest. Glendora Ridge Road. 1.5mi from gate. Along road cuts on N side. Comment
  RSA225723  Mentzelia micrantha Robert F. Thorne, M. Z. Thorne 1971-5-22 39706 Los Angeles San Gabriel Mountains: Near mouth of Fish Canyon. 244 Comment
  RSA226175  Mentzelia micrantha Gary D. Cromwell, David W. Wheat 1971-4-30 605 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mountains. 2 mi. NE of Glendora. 465 Comment
  SD114199  Mentzelia micrantha Darley F. Howe 1959-5-5 2710 Los Angeles Near mouth of San Gabriel Canyon, San Gabriel Mountains. Comment
  RSA314604  Mentzelia montana Robert F. Thorne 1973-5-11 43512 Los Angeles North of Shoemaker Canyon between Mile High and Valyermo. 1341 Comment
  RSA446797  Mentzelia montana Bonnie C. Templeton 1932-6-17 4910 Los Angeles Big Pines Park, San Gabriel Mtns. Comment
  RSA0065557  Mentzelia pectinata Gary Guntle 1971-5-16 s.n. Los Angeles Quartz Hill, corner of 40th Street W and Avenue L. Comment
  SBBG95274  Mesembryanthemum nodiflorum M. B. Dunkle 1928-4-9 1812 Los Angeles Emerald Bay 4 Comment
  UC65037  Microseris douglasii subsp. douglasii S. B. Parish June, 1887 1902 Los Angeles Elizabeth Lake Comment
  UCR155351  Microseris heterocarpa A. C. Sanders 2005-5-5 29859 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon on the ridge above and west of the community of Mint Canyon 549 Comment
  UCR186961  Microseris lindleyi A. C. Sanders 2006-4-28 32225 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  RSA587364  Microseris lindleyi Orlando Mistretta 1995-4-25 1641 -A Los Angeles San Gabriel Mountains, Kitter Canyon: near the confluence of Kitter Canyon and Little Rock Creek. 1098 Comment
  RSA595993  Microseris lindleyi L. C. Wheeler 1967-5-8 9349 Los Angeles San Gabriel Mts [Liebre Mtns]between Bouquet Junction and Bonelli Ranch. 396 Comment
  RSA618782  Microseris lindleyi L. C. Wheeler 1973-4-20 s.n. Los Angeles Aliso Canyon approximately 1/2 mile east of Blum Ranch 945 Comment
  RSA597994  Microsteris gracilis Steve Boyd, Lauren Raz 1997-3-14 9166 Los Angeles Liebre Mountains, lower north flank of Liebre Mountain, eastern slope of Horse Camp Canyon. 1389 Comment
  RSA714688  Mimulus aurantiacus A. C. Sanders, Mark A. Elvin 2003-6-18 26950 Los Angeles Western Transverse Range: around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon. 1037 Comment
  POM8970  Mimulus aurantiacus var. pubescens P. A. Munz, R. D. Harwood 4010 Los Angeles Santa Monica Mountains, Coldwater Canyon. 305 Comment
  RSA442649  Mimulus aurantiacus var. pubescens Lester H. Cushman 1932-5-15 s.n. Los Angeles Glendale. Comment
  UC1595265  Mimulus aurantiacus var. pubescens Tim Ross, Peter Fritsch 1990-6-20 3615 Los Angeles near Confluence of E and W Forks of the San Gabriel River (mouth of canyon); San Gabriel Mountains, Burro Canyon 445 Comment
  UC943854  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-10 1914 A-2 Los Angeles e Whittier (near summit of grade); Turnbull Canyon Comment
  UC943859  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-10 1913 B Los Angeles e Whittier (near summit of grade); Turnbull Canyon Comment
  UCR208221  Mimulus aurantiacus var. pubescens Fordyce Grinnell Jr. 1910-1 s.n. Los Angeles San Gabriel Mountains, Switzer's Trail Comment
  UCR213383  Mimulus aurantiacus var. pubescens Dan S. Cooper 2010-3-29 20100329- 32 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  POM219972  Mimulus aurantiacus var. puniceus F. R. Fosberg 1932-5-6 8121 Los Angeles Big Wash Canyon, Avalon, Santa Catalina Island. 50 Comment
  RSA442699  Mimulus aurantiacus var. puniceus Anstruther Davidson 1891-6-26 s.n. Los Angeles Santa Catalina Island Comment
  RSA3719  Mimulus aurantiacus var. puniceus Carl B. Wolf 1932-5-10 3509 Los Angeles Santa Catalina Island. Avalon Canyon above the east almond orchard. 122 Comment
  UC535537  Mimulus brevipes Ira W. Clokey, B. Templeton Apr. 1929 4519 Los Angeles Mandeville Canyon Santa Monica Mountains 350 Comment
  UCR273199  Mimulus brevipes R. G. Swinney 2011-4-26 14469 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  HSC12518  Mimulus cardinalis Wendell Wood 1970-6-22 30 Los Angeles Tujunga Canyon Rd., 3 mi. beyond intersection of Mt. Gleason Ave., Tujunga 457 Comment
  RSA250513  Mimulus cardinalis Robert F. Thorne, John Dourley 1967-10-10 37355 Los Angeles Angeles National Forest: 1.5 mi. E of Dawson Saddle 2332 Comment
  UCR217822  Mimulus cardinalis Dan S. Cooper 2010-8-27 810- 93 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, Spring Canyon 288 Comment
  RSA420686  Mimulus cardinalis Cora Mae Life 1923-07 15 Los Angeles Claremont Canyon. Comment
  RSA172742  Mimulus guttatus Mark Parratt 1963-5-4 539 Los Angeles Temblor range,Tejon Ranch, 2 miles E on 138 from U. S. 99 1220 Comment
  RSA729593  Mimulus guttatus R. G. Swinney 1998-9-7 6935 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
  SBBG98516  Mimulus guttatus T. Ross 1991-5-23 5487 Los Angeles lower Tota Cyn 60 Comment
  UCR187200  Mimulus guttatus A. C. Sanders 2006-4-18 32114 Los Angeles Tehachapi Mtns. Foothills, lower Oso Canyon, c. 1 mile north of Quail Lake 1006 Comment
  UCR194844  Mimulus guttatus R. G. Swinney, Dave Larson 1999-6-25 7398 Los Angeles San Gabriel Mtns., Fern Canyon at falls, c. 1.7 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  RSA158276  Mimulus guttatus Peter H. Raven 1962-7-11 18002 Los Angeles Rocky walls of Twin Canyon, where scattered, San Clemente Island. 320 Comment
  RSA80137  Mimulus guttatus F. W. Peirson 1918-6-28 259 Los Angeles Sierra Madre trail to Mt. Wilson, San Gabriel Mountains 838 Comment
  LA51879  Mimulus pilosus W. O. Griesel; 1936-4-26 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon, Summit Decker Road. Comment
  RSA0110538  Mimulus pilosus R. G. Swinney 2010-6-1 13139 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
  RSA681045  Mimulus pilosus Scott D. White 2003-6-2 9443 Los Angeles Puente Hills: City of Industry, just northwest of SR 60 / SR 57 freeway at Grand Ave. exit. 183 Comment
  UCR203221  Mimulus pilosus R. G. Swinney 2005-7-21 8308 Los Angeles San Gabriel Mountains, Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  UCR189844  Mimulus rubellus R. G. Swinney 1998-7-14 6455 Los Angeles San Gabriel Mtns., north slope of Pine Mountain Ridge, from high point to Prairie Fork, c. 1 mi. SE of Cabin Flat 2165 Comment
  UC1076499  Minuartia douglasii Margaret Stason 1927-5-14 Los Angeles Pinon Ridge San Gabriel Mountains Comment
  UCR205467  Mirabilis laevis R. G. Swinney 2008-5-2 8740 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  RSA654084  Mirabilis laevis var. crassifolia Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O Brien 2000-4-25 747 Los Angeles Verdugo Mountains, south side: Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mtwy. 427 Comment
  SBBG69861  Mirabilis laevis var. crassifolia R. Hoffmann 1931-10-1 Los Angeles Mint Cyn, below Bob's Place Comment
  UC212964  Mirabilis laevis var. crassifolia S. B. Parish 1919-4-19 19257 Los Angeles Lone Hill; near San Dimas Comment
  RSA0027978  Mirabilis laevis var. crassifolia Orlando Mistretta, Christine Mistretta 2008-4-30 2572 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 19 per TRTP survey, 2008), in the vicinity of Ritter Ridge, S side of Antelope Valley. 1034 Comment
  RSA464675  Mirabilis laevis var. crassifolia F. H. Elmore 1939-2-18 328 Los Angeles San Clemente Island. Comment
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May 22 2008
  UC1136582  Mirabilis laevis var. villosa A. Simontacchi 1935-5-26 46 Los Angeles 3 mi SSE of Neenach 1036 Comment
  UCD86112  Monanthochloe littoralis Robert F. Thorne; P. Everett 1965-5-11 34535 Los Angeles Santa Catalina Island. Salt flat inside Ballast Point on E side of Catalina Harbor. Comment
  UCR149534  Monardella R. G. Swinney 1997-6-25 5646 Los Angeles San Gabriel Mtns., west of Wrightwood, Blue Ridge Trail, c. 1.3 mi. SE of Hwy 2 2256 Comment
  UC284653  Monardella australis subsp. cinerea I. Johnston 1917-6-20 1261 Los Angeles Baldy Lookout (USFS) San Antonio Mts. 2133 Comment
  UC1124620  Monardella breweri subsp. glandulifera Jerome S. Horton 1936-8-12 378 Los Angeles Brown's Flat Cucamonga Quadrangle Comment
  UCSB22993  Monardella exilis Engel, C. 1967-5-19 Los Angeles Sierra Highway, 2.2 miles south of its junction with Avenue M, then 0.6 mile south on dirt road, Antelope Valley 762 Comment
  RSA579455  Monardella lanceolata Tim S. Ross, Steve D. Boyd 1994-6-23 8032 Los Angeles Sawmill Mountain: 5514-ft summit and immediately adjacent slopes. 1665 Comment
  RSA639886  Monardella linoides subsp. stricta Louis C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: Icy springs fork of Big Rock Creek, at Angeles Crest Highway. 2134 Comment
  UCSB40903  Muhlenbergia californica Roos, John 1951-7-30 Los Angeles Big Rock Creek; north of Mt. Baden Powell 1981 Comment
  UCD86848  Muhlenbergia microsperma Joseph Andorfer Ewan 1932-3-5 7027 Los Angeles Santa Monica Mts. Mandeville Canyon rim. Upper Sonoran Zone. 365 Comment
  RSA377599  Muilla maritima Robert Gustafson 1973-5-17 s.n. Los Angeles Charlton Flats campground, Angeles Natl. Forest 1676 Comment
  RSA587345  Muilla maritima Orlando Mistretta 1992-5-4 224 Los Angeles Little Rock Creek, Alimony Ridge 1463 Comment
  RSA600401  Muilla maritima Steve Boyd, Lauren Raz 1997-4-30 9631 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine 866 Comment
  CAS-BOT-BC243702  Myoporum laetum Timothy S. Ross; J. Mark Porter; Gery Allan; Vanessa Ashworth; Darin Banks; Megan Tommerup 1994-3-28 7412 Los Angeles Rancho Palos Verdes, un-named horsesho-shaped canyon to the NE of upper Forrestal Drive, San Pedro USGS 7.5' quad., Palos Verdes Peninsula 167 Comment
  UCSC000893  Nama demissa var. demissa D. J. Norman 1969-3-24 352 Los Angeles Eastern end of the Lovejoy Buttes - Antelope Valley 950 Comment
  RSA484105  Nassella lepida Freda Detmers 1931-4-1 s.n. Los Angeles Griffith Park. Comment
  RSA726021  Nassella lepida A. C. Sanders, Tricia Wotipka, Mark Elvin, et al. 2003-4-28 26121 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 488 Comment
  UC1871326  Nassella lepida Tim Ross 1993-4-21 6864 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft), slope and small ridges N of Cactus Peak summit; N slope dropping toward Bullrush Canyon 384 Comment
  UC2029943  Nassella lepida Valerie Soza, LeRoy Gross 2001-5-14 1214 Los Angeles Transverse Ranges, San Gabriel Mountains region: Santa Anita 1999 Fire Area, above Santa Anita Canyon, ca. 0.7 mile west of the Santa Anita Dam. Comment
  RSA609016  Nasturtium officinale L. C. Wheeler 1931-4-17 s.n. Los Angeles San Dimas: Puddingstone. Comment
  CAS-BOT-BC60405  Nasturtium officinale Alice Eastwood 1906-5-31 104 Los Angeles Bincini Baths. Comment
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Apr 2 2020
  RSA716354  Nasturtium officinale Andrea Edwards, Pam De Vries 2006-5-15 100 Los Angeles triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  RSA219943  Navarretia hamata subsp. hamata F. R. Fosberg 1932-5-19 8185 Los Angeles mouth of San Dimas Canyon 100 Comment
  POM219974  Navarretia hamata subsp. leptantha F. R. Fosberg 1932-5-7 8165 Los Angeles Santa Catalina Island. Summit of Coach Road. Comment
  SFV20780  Navarretia pubescens T. Sagar 2007-5-29 s. n. Los Angeles Santa Monica Mountains Malibu Springs Trail from Decker School Road, northwest of Nicholas Flat. 475 Comment
  HSC79789  Navarretia pubescens James Henrickson, E. Parker 1973-6-8 10631 Los Angeles Santa Monica Mts., 1 mi. NW of Topanga along Monte Vista Dr. 244 Comment
  CAS-BOT-BC109088  Nemacaulis denudata var. denudata Rev. J. C. Nevin 1882-1-1 s.n. Los Angeles Shores of Newport Bay. Comment
  RSA598590  Nemacladus ramosissimus L. C. Wheeler 1967-5-24 9730 Los Angeles San Gabriel Mountains: Indian Canyon 793 Comment
  RSA421377  Nemophila menziesii var. integrifolia W. P. Burger 1979-5-5 71 Los Angeles Angeles Forest Highway 3 miles from jct. with Angeles Crest Hwy, ca. 30 yds. up a small stream. 915 Comment
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Sep 25 2014
  SBBG127047  Nemophila menziesii var. integrifolia A. Parikh, N. Gale 2011-7-5 3537 Los Angeles rd to Barley Flats, 3.9 km W of Shortcut Station, 1.1 km N of St Hwy 2; San Gabriel Mtns 1665 Comment
  SD215563  Nemophila menziesii var. menziesii Steve Boyd, Timothy S. Ross 1997-3-21 9238 Los Angeles Portal Ridge, upper Broad Canyon, ca. 1.0 mile east of VABM King and 1.2 mile east of the junction of Forest Service Roads 7N07 and 7N07A, along the ridgeline diving Bleich Canyon and Broad Canyon. 1195 Comment
  RSA421491  Nemophila pedunculata M. B. Dunkle 1933-6-17 251 Los Angeles San Antonio Canyon Comment
  SD253469  Nemophila pedunculata R. G. Swinney 2011-5-3 14557 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Road, Ecology Trail east of the Nature Center (Mint Canyon 7.5'Q) 487 Comment
  RSA295231  Nemophila pulchella var. pulchella Paul Currie 1969-1 s.n. Los Angeles Millard Canyon, vicinity of Altadena 610 Comment
  SBBG125858  Nemophila spatulata A. Parikh, N. Gale 2010-6-2 3251 Los Angeles Sierra Pelona, 3.8 km W of State Hwy 14, 2.2 km SW of California Aqueduct; E Liebre Mts 1140 Comment
  UCR61066  Nerium oleander R. G. Swinney 1989-7-14 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, in Big Dalton Canyon and its tributaries. Harrow Canyon at the third debris basin 442 Comment
  UCR252577  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
  RSA649016  Nicotiana glauca Scott Lowe 1991-4-9 9 Los Angeles San Gabriel River channel, about 100 m. south of Valley Boulevard bridge, city of El Monte. Comment
  SEINET10818926  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3966 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  POM697  Nitrophila occidentalis L. R. Abrams 1901-06 1750 Los Angeles New River near Long Beach. Comment
  SBBG17996  Notholaena californica E. R. Blakley 1963-4-7 5510 Los Angeles Middle Ranch Cyn, 1 mi below Eagle's Nest 60 Comment
  RSA686400  Notholaena californica L. L. Kiefer 1963-3-3 442 Los Angeles West Fork, San Gabriel River, west of bridge Comment
  CAS-BOT-BC516036  Nothoscordum bivalve Grace Cole Fleischman 1951-6-3 s.n. Los Angeles Garden of G.C. Fleishman; Pasadena Comment
  CAS-BOT-BC167053  Oenothera californica Dr. Barton W. Evermann 1916-5-16 s.n. Los Angeles Saugus Comment
  CAS-BOT-BC167061  Oenothera californica Peter H. Raven 1959-3-31 13905 Los Angeles 2.5 miles west of [Littlerock] Little Rock Comment
  CAS-BOT-BC167059  Oenothera californica Timothy S. Ross 1991-4-27 4679 Los Angeles Mojave Desert: Black Butte Basin Road at its intersection with Avenue 'U', NW corner; 0.85 mile and ca 152 deg. SW of Three Sisters [buttes] 960 Comment
  UC1273560  Oenothera californica subsp. californica W. M. Klein 1958-6-12 476 Los Angeles 23.2 mi n Castaic (on US 99 to Los Angeles) Comment
  RSA699495  Oenothera dentata Seacord s.n. Los Angeles West Mojave. Comment
  UC1007152  Oenothera elata subsp. hirsutissima P. A. Munz 1938-6-15 15241 Los Angeles Claremont Comment
  UCR117124  Olea europaea A. C. Sanders, D. Malueg 2001-5-17 24311 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
  IRVC27307  Olea europaea A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-7 27155 Los Angeles Newhall Ranch, Potrero Canyon, at the old ranch headquarters (barn, corrals, etc.) in the middle of the canyon NE end of Santa Susana Mtns. 335 Comment
  SEINET9037784 Image available Opuntia M. A. Baker, Michelle Cloud-Hughes 2015-1 18406 Los Angeles Claremont, 300m south of the SE base of Indian Hill 394 Comment
  POM306087  Opuntia prolifera P. H. Raven 1962-5-9 17656 Los Angeles Just N of Gray, San Clemente Island 366 Comment
  RSA587079  Opuntia ramosissima T. S. Ross, Steve Boyd 1991-3-23 4275 Los Angeles Northeastern-most corner of the county, ca. 3 mi. SSE of Jackrabbit Hill (Kern Co.), (ca. 1.45 mi. S of Kern Co. line and 0.2-0.5 mi. W of San Bernardino Co. line). 878 Comment
  RSA0076175  Orobanche bulbosa John C. Roos 1942-6-6 1065 Los Angeles Placerita Canyon, near Newhall. Comment
  JEPS11668  Orobanche californica subsp. feudgei Frank W. Peirson 1921-7-3 2489 Los Angeles San Gabriel Mountains. Ridge south of Swartout Valley. Comment
  RSA0076588  Orobanche fasciculata Philip A. Munz 1937-5-4 15157 Los Angeles Evey Canyon, north of Claremont. 670 Comment
  RSA0066498  Orobanche parishii subsp. parishii Ivan M. Johnston 1917-7-1 1431 Los Angeles Evey Canyon. 838 Comment
  RSA402062  Orthocarpus purpurascens Francis W. Pennell, Harvey Anderson 1940-4-30 25298 Los Angeles 1.5 mi. west of Topanga 549 Comment
  RSA407969  Orthocarpus purpurascens Fordyce Griffiths Jr. 1910-04 3463 Los Angeles San Rafael Mts. Comment
  JEPS15945  Osmorhiza brachypoda Frank W. Peirson 1918-5-19 135 Los Angeles Millards Canyon San Gabriel Mountains Comment
  POM3348  Osmorhiza brachypoda C. F. Baker 1904-4-22 4727 Los Angeles Monrovia Comment
  CATA3350  Osteospermum fruticosum Julia Parish 2017-3-10 016 Los Angeles Santa Catalina Island: Renton Pass house landscaping, about 30 meters from house 0 Comment
  RSA600735  Oxalis albicans subsp. californica Louis C. Wheeler 1955-4-30 7146 Los Angeles San Jose Hills: ca 1/2 mile north-weserly from Puddingstone Dam. Comment
  UCR271911  Oxalis pes-caprae R. G. Swinney 2010-4-30 12474 Los Angeles San Gabriel Mts., Near Sylmar, Wilson Canyon Park, northern-most of the two east forks of Wilson Cyn., from the mouth of cyn. at Wilson Debris Basin to 0.3 miles up (east) canyon 482 Comment
  JEPS30483  Packera breweri Henry J. Thompson 1959-4-19 1940 Los Angeles 1 mi w of Las Virgenes Rd.; Mulholland Hwy, Malibu Creek Drainage 274 Comment
  RSA94544  Packera ionophylla F. W. Peirson 1907-7-9 1591 Los Angeles Pine Flats at the headwaters of the Tujunga 1677 Comment
  SEINET209896 Image available Paeonia brownii P. S. Rattle 1938-3 sn Los Angeles San Gabriel Valley Comment
  CHSC25022  Paeonia californica T. P. Spira 1977-4-6 101 Los Angeles Ca. 1 mi e of Los Virgines Road, off of Mulholland Way. 180 Comment
  RSA747558  Paeonia californica R. G. Swinney 2008-4-16 8675 Los Angeles San Dimas, Spring Canyon, north end between east and west forks of canyon. 393 Comment
  RSA630362  Paeonia californica Louis C. Wheeler 1973-4-7 s.n. Los Angeles San Gabriel Mountains: Big Tujunga Canyon, near La Paloma Flat. 564 Comment
  RSA717858  Papaver californicum R. G. Swinney 1997-5-13 5516 Los Angeles Water Canyon, a tributary from the north of San Gabriel River Canyon, north of Morris Dam. 402 Comment
  CAS-BOT-BC403918  Parietaria hespera Tim Ross; Steve Boyd; Laurel Arnseth 1990-4-8 4297 Los Angeles San Clemente Island. E side of island, near Malo Point, first cyn S of Bryce Cyn. Comment
  RSA150835  Parietaria hespera Peter H. Raven 1962-5-9 19696 Los Angeles Canyon just north of Gray, San Clemente Island. 305 Comment
  RSA545324  Parietaria hespera var. hespera Tim S. Ross 1992-5-17 6333 Los Angeles San Gabriel Mountains: center W side of the San Gabriel Reservoir; short easterly spur canyon along Highway 39. 463 Comment
  SBBG57146  Paspalum distichum R. Hoffmann 1927-8-30 Los Angeles Santa Clara River near Castaic Comment
  RSA549537  Pectocarya linearis subsp. ferocula Tim Ross 1992-4-27 6244 Los Angeles Claremont: S side of Indian Hill Mesa, SW of RSA ground. 393 Comment
  RSA599480  Pectocarya penicillata Steve Boyd, Lauren Raz 1997-3-26 9344 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
  SD237374  Pectocarya penicillata R. G. Swinney 2009-5-13 10770 Los Angeles Transverse Range; San Gabariel 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
  UCR263073  Pectocarya penicillata Mitch Provance 2008-4-14 10143 Los Angeles Western Transverse Range; Liebre Mountains, southeast of Quail Lake, 1.4 miles southeast of Hwy 138 on FSR N2/Ridge Route Road 1160 Comment
  RSA709542  Pectocarya recurvata A. C. Sanders 2003-4-29 26178 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 396 Comment
  RSA659940  Pectocarya setosa Orlando Mistretta 1992-5-18 358 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  UCR217436  Pellaea andromedifolia R. G. Swinney 2009-2-26 10045 Los Angeles San Gabriel Mtns., Monrovia Canyon Wilderness Park from park entrance to Monrovia Canyon Falls 534 Comment
  UC223688  Pellaea andromedifolia C. F. Millspaugh 1920-2-5 4677 Los Angeles Hay Press; Santa Catalina Isl Comment
  UCR88659  Pellaea mucronata Scott D. White 1995-10-19 3713 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
  RSA229092  Pellaea mucronata subsp. californica R. F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38864 Los Angeles N facing slope above Angeles Crest Hwy N & below Lily Spring at headwater of S fork Big Rock Creek 2317 Comment
  LA200084  Pellaea mucronata var. mucronata Lawrence L. Kiefer; 1966-3-20 1765 Los Angeles SANTA MONICA MOUNTAINS, Old Topanga Canyon, ca 3 mi from Topanga on Old Topanga Road. 304 Comment
  LA94176  Pellaea mucronata var. mucronata Lawrence L. Kiefer; 1966-3-12 1719 Los Angeles SANTA MONICA MOUNTAINS, Tuna Canyon, Tuna Canyon Road, ca 3 mi above Hwy 1, ravine just W of road. 289 Comment
  LA94182  Pellaea mucronata var. mucronata Lawrence L. Kiefer; 1966-3-12 1699 Los Angeles SANTA MONICA MOUNTAINS, Cold Creek Rd. S of Mulholland Hwy, just N of Cold Creek, bluff near the road. 304 Comment
  RSA530062  Pellaea mucronata var. mucronata T. S. Ross 1991-8-16 5874 Los Angeles San Gabriel Mountains, Horse Flats 1787 Comment
  LA9088  Pennisetum setaceum Marjorie Bowler; 1937-9-21 sn Los Angeles 121 Comment
  RSA0037192  Pennisetum villosum B. L. Bement 1978-10-15 s.n. Los Angeles Arcadia. Comment
  JEPS13628  Penstemon centranthifolius Peter Kamb 1947-6-1 551 Los Angeles n slope Mt. Disappointment San Gabriel Mts. 1554 Comment
  RSA408048  Penstemon grinnellii subsp. grinnellii F. R. Fosberg 1931-8-10 S- 5645 Los Angeles Crystal Lake, Pine Flats: N. Fork, San Gabriel Canyon, San Gabriel Mountains 1600 Comment
  RSA563498  Penstemon grinnellii subsp. grinnellii Tim S. Ross, W. Appleby 1993-5-13 7111 Los Angeles Western San Gabriel Mts.: May Canyon Saddle at the northwest base of May Peak. 1116 Comment
  NY601207  Penstemon grinnellii var. grinnellii A. G. Jones 1986-8-21 7245 Los Angeles San Gabriel Mountains, near Pinyon Ridge 2600 Comment
  RSA0116442  Penstemon heterophyllus subsp. heterophyllus Steve D. Boyd, Lauren Raz 1997-5-29 9915 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
  JEPS17963  Penstemon heterophyllus var. australis George B. Rossbach 1955-6-20 492 Los Angeles Los Angeles Crest Highway (Route 2) about 2 mi n Mill Creek Summit (near Aliso Canyon Road); n of Mill Creek Summit 1219 Comment
  RSA408098  Penstemon heterophyllus var. australis Gale Sphon 1955-5-17 s.n. Los Angeles Mullholland Drive. Comment
  UCSB31539  Penstemon heterophyllus var. australis Griesel, Wesley 1962-7-6 Los Angeles Tapia Park; Santa Monica Mts 152 Comment
  RSA640735  Penstemon spectabilis Louis C. Wheeler 1931-4-11 s.n. Los Angeles East of Dr. Huntington's: (vicinity of Claremont). Comment
  LA88592  Pentachaeta lyonii O. H. Kappler; 1944-6-11 677 Los Angeles Santa Monica Mountains, West fork Las Trancas Canyon 365 Comment
  UCD137787  Pentagramma triangularis Kenneth A. Wilson 1961-3-10 967 Los Angeles Santa Monica Mtns. Old Topanga Canyon Rd., ca. 1/4 mile west of Topanga Rd. Comment
  RSA0066083  Pentagramma triangularis Frank W. Hedges 1948-5-9 7 Los Angeles San Dimas Dam. 304 Comment
  RSA0070821  Pentagramma triangularis I. W. Clokey, B. Templeton 1929-04 4444 Los Angeles Mandeville Canyon, Santa Monica Mountains. 425 Comment
  RSA687380  Pentagramma triangularis subsp. triangularis Freda Detmers 1929-4-14 s.n. Los Angeles Descanso Canyon, Santa Catalina Island. Comment
  SBBG76922  Pentagramma triangularis subsp. triangularis F. R. Fosberg 1931-3-20 R 76 Los Angeles Hamilton Cyn Comment
  UC535317  Pentagramma triangularis subsp. triangularis Ira W. Clokey, B. Templeton Apr. 1929 4444 Los Angeles Mandeville Canyon; Santa Monica Mts 425 Comment
  RSA687379  Pentagramma triangularis subsp. triangularis M. Bisbee 1917-5-3 s.n. Los Angeles Hills north side Eagle Rock Valley Comment
  SBBG125051  Perideridia pringlei A. Parikh, N. Gale 2010-5-25 3219 Los Angeles E Liebre Mtns, Sierra Pelona, 5.4 km W of State Hwy 14, 2.0 km SW of California Aqueduct 1134 Comment
  SEINET10639573  Perilla frutescens Heidi H. Schmidt, M. R. Weed 1999-10-12 Schmidt 3786 Los Angeles City of Santa Monica. Yaohan: 3760 Centinela Avenue: Santa Monica, CA: 90066: (310) 398-2113 - phone. 20 Comment
  LA200255  Perityle emoryi Tom O'Donnell; sn Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  UCR68929  Perityle emoryi Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4268 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  UC1594370  Perityle emoryi Tim Ross 1992-4-14 6173 Los Angeles central e side San Clemente Island (ca 20 m (sic) s of where Nanny Canyon drainage meets the sea) 18 Comment
  CAS-BOT-BC419012  Persicaria lapathifolia I. Johnston 1917-6-14 1343 Los Angeles West of Pomona Comment
  SEINET3923760  Persicaria lapathifolia Louis C. Wheeler 1932-8-28 1300 Los Angeles Puddingstone Lake, San Jose Hills.; 0 259 Comment
  UCR121676  Petalonyx thurberi David Charlton, Virginia Howard 1989-6-15 3356 Los Angeles Western Mojave Desert, sled track near south entrance to Edwards Air Force Base, near intersection of Lancaster Blvd. [120th St. East] and Ave. D 713 Comment
  UCR67302  Phacelia bicolor Ed LaRue, R. Montijo 1991-4-2 91- 17 Los Angeles Western Mojave Desert, Palmdale: south of Avenue 'M' and east of Sierra Hwy; north of Air Force Plant 793 Comment
  RSA0065210  Phacelia brachyloba R. G. Swinney 2010-5-29 13401 Los Angeles Junction of W. Fork May Canyon with May Canyon Truck Trail, Forest Service Road 3N54. 793 Comment
  RSA75510  Phacelia brachyloba F. W. Peirson 1918-6-10 160 Los Angeles E trail to Mt Low, San Gabriel Mts 915 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
  LA38552  Phacelia cicutaria var. hispida A. M. Johnson; 1934-5-1 4446 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  POM49688  Phacelia cicutaria var. hispida L. R. Abrams 1901-04 s.n. Los Angeles San Fernando Mts. 762 Comment
  UC1349370  Phacelia cicutaria var. hispida Robert F. Thorne 1966-4-5 35864 Los Angeles foot of slope along Cottonwood Creek Santa Catalina Island, Cottonwood Canyon 106 Comment
  RSA427647  Phacelia cicutaria var. hispida L. E. Hoffman 1929-6-23 s.n. Los Angeles head of Pacoima Canyon wash Comment
  RSA517135  Phacelia cicutaria var. hispida Tim S. Ross 1990-5-14 2492 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1149 Comment
  SD260258  Phacelia cryptantha R. G. Swinney 2010-5-19 12828 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 air miles due E of Angeles Forest Hwy., 0.8 mi. due W of Mt Emma Rd. 1335 Comment
  POM78914  Phacelia davidsonii I. M. Johnston 1925-7-8 s.n. Los Angeles Cow Canyon-San Antonio Canyon Divide 1433 Comment
  RSA628379  Phacelia davidsonii Scott D. White 1998-6-29 6836 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
  UCR223563  Phacelia davidsonii R. G. Swinney 2009-6-2 10988 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  RSA599801  Phacelia distans Steve Boyd, Lauren Raz 1997-3-25 9293 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain, flats and slopes just northeast of ranch compound. 976 Comment
  RSA74929  Phacelia distans F. W. Peirson 1921-6-15 2823 Los Angeles Trail from Pine Flats to Chilao. 1677 Comment
  UCR258745  Phacelia distans R. G. Swinney 2010-5-19 12826 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  POM3768  Phacelia distans O. W. Robinson 1916-3-10 s.n. Los Angeles Wash near Greek Theater, Claremont. Comment
  RSA308650  Phacelia distans David Armacost 1963-4-28 165 Los Angeles Thompson Wash, north end of Indian Hill Blvd. 442 Comment
  UCR259044  Phacelia douglasii R. G. Swinney 2010-5-12 12760 Los Angeles San Gabriel Mountains, Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  RSA0089548  Phacelia egena Mitch Provance, Callen Huff 2009-4-28 10670 Los Angeles Tehachapi Mountains: Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 1.3 miles ENE of Gorman; site PO1086. 1371 Comment
  RSA495557  Phacelia egena S. Zona 1989-6-28 336 Los Angeles Mountain High Ski resort; W of Wrightwood, N slopes of San Gabriel Mountians. 2017 Comment
  RSA74924  Phacelia egena F. W. Peirson 1929-6-30 8426 Los Angeles Just below the old mill on the Tie Canyon stream, Aliso Creek, San Gabriel Mountians. 1341 Comment
  RSA151211  Phacelia floribunda Peter H. Raven 1962-4-10 17243 Los Angeles Above Wilson Cove. San Clemente Island. 107 Comment
  RSA729525  Phacelia fremontii R. G. Swinney 1999-7-5 7541 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
  UC881111  Phacelia fremontii I. W. Clokey and B. C. Templeton 1930-4-8 4655 Los Angeles w Lanchaster 400 Comment
  RSA497518  Phacelia grandiflora Walter Wisura 1989-6-7 4375 Los Angeles Roberts Canyon, off San Gabriel Canyon. Comment
  UCR281358  Phacelia grandiflora R. G. Swinney 2014-5-21 16635 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
  RSA545322  Phacelia grandiflora Tim S. Ross 1992-5-17 6331 Los Angeles San Gabriel Mountains. Center W side of the San Gabriel Reservoir. Short easterly spur canyon along Highway 39 463 Comment
  UCR209142  Phacelia imbricata R. G. Swinney 2008-6-17 9052 Los Angeles San Gabriel Mountains, ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26 2160 Comment
  UCR223524  Phacelia imbricata R. G. Swinney 2009-6-17 11211 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  RSA602247  Phacelia imbricata subsp. imbricata R. S. Woglum 1937-7-17 833 Los Angeles North Fork of San Gabriel River. Comment
  RSA730249  Phacelia imbricata subsp. patula R. G. Swinney 1999-6-5 7269 Los Angeles San Gabriel Mtns.: western end of ridge extending from Big John Peak, above Big John Flat 1768 Comment
  UC284689  Phacelia imbricata subsp. patula I. Johnston 1917-7-1 1443 Los Angeles Browns Flat Comment
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Feb 8 2007
  JEPS28420  Phacelia imbricata subsp. patula L. R. Heckard 1953-6-15 505 Los Angeles along road to Tujunga Canyon 1.5 mi below summit (w side of mt.); San Gabriel Mountains, Mt. Gleason; along road to Tujunga Canyon, W side of Mt. Gleason, San Gabriel Mts., Los Angeles Co. 1828 Comment
  RSA26543  Phacelia longipes J. T. Howell 1928-6-10 3889 Los Angeles Fish Canyon Comment
  RSA649605  Phacelia longipes Lori Ackerman, Gerald Braden 1988-5-20 19 Los Angeles North end [bank] of West Fork [San Gabriel] River, San Gabriel Mountains. Comment
  UC702361  Phacelia longipes John Thomas Howell 1928-6-10 3889 Los Angeles Fish Canyon San Gabriel Mts. Comment
  UCSB6930  Phacelia longipes Bacigalupi, Rimo; Heckard, L.; Robbins, G. 1953-6-14 Los Angeles Upper slopes of the south fork of Little Rock Creek Canyon; higher north slopes of the San Gabriel Mts. 1432 Comment
  RSA187964  Phacelia lyonii Robert F. Thorne 1966-4-7 35981 a Los Angeles Santa Catalina Island. Above beach near Parson Landing W of Arrow Point 5 Comment
  POM289855  Phacelia minor George B. Grant 1901-03 15189 Los Angeles Pasadena. Comment
  UC1375314  Phacelia minor Gary D. Cromwell and David W. Wheat 1971-4-21 566 Los Angeles 2 mi ne Glendora; San Gabriel Mountains, Angeles National Forest, Mystic Canyo 518 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
  IRVC27352  Phacelia ramosissima A. C. Sanders, Mark Elvin 2003-8-7 27163 Los Angeles Newhall Ranch, Santa Clara River bottom east of Del Valle NE end of Santa Susana Mtns. 282 Comment
  RSA184358  Phacelia ramosissima var. latifolia S. F. Blake 1910-7-26 500 Los Angeles Dry bank, near Pasadena 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
  SBBG31221  Phalaris minor R. F. Thorne 1966-4-4 35786 Los Angeles Bird Rock, N of Isthmus Cove 7 Comment
  UCR191709  Phlox gracilis A. C. Sanders 2008-4-11 34863 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School 945 Comment
  RSA25957  Pholisma arenarium W. D. Pierce 1941-06 117 Los Angeles El Segundo. Comment
  UC535517  Pholistoma auritum Ira W. Clokey, B. Templeton Apr. 1929 4437 Los Angeles Mandeville Canyon Santa Monica Mts., Mandeville Canyon Comment
  LA38516  Pholistoma auritum var. auritum Carl Epling; 1930-4-10 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon Comment
  OBI17639  Pholistoma racemosum Robert J. Rodin 1953-5-2 5809 Los Angeles Cyn behind whites cove, Catalina Island Comment
  RSA595178  Phoradendron densum Louis C. Wheeler 1960-4-29 7684 Los Angeles San Gabriel Mountains. 1/2 mi. northeast of Kentucky Springs, east of Acton. Comment
  POM199687  Phoradendron macrophyllum I. W. Clokey, Bonnie C. Templeton 4449 Los Angeles Mandeville Canyon. 500 Comment
  UC6090  Phoradendron macrophyllum Harley P. Chandler 1897-1-1 Los Angeles Claremont, <Coble's> Canyon Comment
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Nov 25 2014
  RSA773599  Phoradendron pauciflorum R. G. Swinney 2009-6-24 11252 Los Angeles summit of Granite Mountain 1988 Comment
  UCR146700  Phoradendron pauciflorum Scott D. White 2004-8-11 10715 Los Angeles San Gabriel Mtns, c. 8 air mi WNW of Wrightwood; east of Fenner Saddle Rd. on Pacific Crest trail 2195 Comment
  POM308928  Phoradendron villosum K. H. B. 1944-1-10 686 Los Angeles Parking lot near Tanbark Flats, San Dimas Experimental Forest, Angeles National Forest. Altitude 2500 feet. 762 Comment
  RSA623935  Phoradendron villosum Kathleen J. Wilder 1991-5-25 122 Los Angeles Angeles Crest Forest, Chilao campground, up Horse Flats hiking trail to Mt. Hillyer trail. 1677 Comment
  RSA384014  Phyllospadix torreyi F. R. Fosberg 1931-5-16 4877 Los Angeles Little Harbor, Santa Catalina Island. 2 Comment
  RSA579138  Phyllospadix torreyi Timothy S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, Darin L. Banks, Megan Tommerup 1994-3-28 7445 Los Angeles Palos Verdes Peninsula, Rancho Palos Veredes, below Southerly coastal bluffs, alt 2750m SE of Inspiration Point and 2680m WNW of Whites Point. 0 Comment
  RSA423755  Physalis philadelphica E. S. Spalding 1922-11-30 s.n. Los Angeles Near Glendale. Comment
  RSA412027  Pickeringia montana Anstruther Davidson 1893-06 s.n. Los Angeles Hollywood Comment
  RSA598925  Picris echioides Scott D. White 1997-3-12 4745 Los Angeles Zuma Beach area: mouth of Zuma Creek, E end of the County Beach. 7 Comment
  RSA700384  Pinus coulteri Tim Thibault 2003-9-28 58 Los Angeles east of N3, across from Clear Creek Education Center Comment
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Mar 29 2014
  RSA169028  Pinus jeffreyi Mark Parratt 1964-2-6 605 Los Angeles Table Mountain, Table Mountain Campground area; N-facing slope 3 miles north of Big Pines Ranger Station, Angeles National Forest 2195 Comment
  CAS-BOT-BC78753  Pinus lambertiana Geo. B. Grant 1897-12-29 s.n. Los Angeles on northern slope of Mt. Wilson Comment
  SFV267  Pinus lambertiana P. G. Kilburn 1957-12-19 571 Los Angeles San Gabriel Mountains Near Mount Waterman. Over 6000 feet elevation. Comment
  CAS-BOT-BC136553  Piperia cooperi Grant 1901-4-14 3804 Los Angeles Field redacted by CAS, contact the data manager for more information Comment
  RSA228851  Piptatherum miliaceum R. F. Thorne 1971-6-26 40625 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Tujunga Canyon 427 Comment
  UCR205564  Pityrogramma triangularis R. G. Swinney 2008-5-30 8899 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
  RSA562423  Plagiobothrys acanthocarpus D. E. Bramlet 1993-4-15 2317 Los Angeles In the Puente Hills, approx. 274 m. NW of Pomona peak. The site is located some 1220m W of the intersection of the Pomona freeway and Chino Hills Parkway. 381 Comment
  RSA583001  Plagiobothrys acanthocarpus Tim Ross 1993-4-22 6895 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560ft), 1200m ESE of Cactus Peak summit, SE slope of 1528ft peak, not far below its summit. 456 Comment
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Jul 16 2008
  IRVC28568  Plagiobothrys arizonicus A. C. Sanders, Mark Elvin, et al. 2003-4-14 25957 Los Angeles Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River NE end of Santa Susana Mtns. 351 Comment
  RSA599479  Plagiobothrys arizonicus Steve Boyd, Lauren Raz 1997-3-26 9343 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
  RSA599252  Plagiobothrys canescens Steve Boyd, Lauren Raz 1997-3-31 9427 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 914 Comment
  UCR192181  Plagiobothrys canescens A. C. Sanders 2008-4-17 34941 Los Angeles Transverse Range, mouth of canyon in hills c. 1.25 mi. SW of Neenach School, c. 1.5 mi. west of Pine Canyon 956 Comment
  SD237379  Plagiobothrys collinus R. G. Swinney 2009-5-28 10926 Los Angeles Transverse Range; San Gabariel Mountains: Sulphur Springs Campground, South Fork of Little Rock Creek (Waterman Mtn 7.5'Q) 1584 Comment
  RSA629742  Plagiobothrys nothofulvus L. C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mountains: Placerita Canyon. Comment
  RSA3707  Plantago coronopus Carl B. Wolf 1932-5-11 3554 Los Angeles San Clemente Island. West side of Isthmus Harbor. 15 Comment
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Jan 23 2014
  LA200739  Plantago erecta Jonathan Sauer; H. N. Sauer 1975-4-29 5653 Los Angeles 7 Comment
  RSA401980B  Plantago erecta Louis C. Wheeler 1934-3-24 2478 Los Angeles Liveoak Canyon, San Gabriel Mts. 488 Comment
  UCR142505  Plantago erecta F. R. Fosberg 1931-4-15 S- 4629 Los Angeles Channel Islands, Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island 200 Comment
  UCR261791  Plantago major R. G. Swinney 2010-9-13 13841 Los Angeles San Gabriel Mountains, c. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek 1244 Comment
  UC586834  Platanthera limosa Joseph Andorfer Ewan 1934-8-13 8300 Los Angeles n slope, 1/2 mi w Windy Camp Mt. Islip; San Gabriel Mts., n slope Mt. Islip 2286 Comment
  UCR138851  Platanthera sparsiflora L. C. Wheeler 1968-7-3 s.n. Los Angeles San Gabriel Mtns, [Pigeon Ridge] west of heliport 1585 Comment
  RSA401720B  Platanus racemosa F. R. Fosberg 1931-3-1 4223 Los Angeles Topanga Canyon, 2.5 mi. below Wildwood, Santa Monica Mountains. 60 Comment
  RSA609130  Platanus racemosa Louis C. Wheeler 1931-10-16 258 Los Angeles Foothills 1/2 mi. E Palmer Canyon. 610 Comment
  UC72695  Platanus racemosa Geo. B. Grant June 1901 1007 Los Angeles Eagle Rock Canyon Comment
  SBBG70049  Platystemon californicus M. N. Ackley -Apr-1930 1250 Los Angeles near Del Sur 822 Comment
  RSA445706  Platystemon californicus Frances M. Morey 1922-5-22 s.n. Los Angeles Culver City. Comment
  POM7034  Plectritis ciliosa subsp. insignis Philip A. Munz, L. T. Street, G. Williams 1919-4-5 2416 Los Angeles Puddingstone Canyon. San Dimas. 259 Comment
  IRVC28711  Pluchea odorata A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25492 Los Angeles Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley NE end of Santa Susana Mtns. 300 Comment
  UCR259094  Pluchea odorata R. G. Swinney 2010-10-15 14059 Los Angeles San Gabriel Mountains, from Little Tujunga Wash at the I-210 Fwy, to the east end of Hansen Lake 329 Comment
  UC54179  Pluchea odorata var. odorata Ernest Braunton Aug. 1902 624 Los Angeles Cienega Comment
  POM11451  Poa annua P. A. Munz, R. D. Harwood 1920-3-13 3313 Los Angeles San Jose Hills 2 miles W of Pomona 305 Comment
  CLARK-A1528-5591  Poa secunda John C. Roos, Lucille Roos 1951-5-27 5055 Los Angeles Antelope Valley 701 Comment
  SBBG133133  Poa secunda S. A. Junak 1996-4-12 SCI- 302 Los Angeles valley just NE of rd of Horse Beach Cyn, just W of rd to Pyramid Rd, ca. 2.85 mi SE of "Thirst" 396 Comment
  UCR145910  Poa secunda subsp. secunda L. C. Wheeler 1973-4-21 s.n. Los Angeles San Gabriel Mtns., foothills of mountains, 2 mi NE of Vincent 991 Comment
  CAS-BOT-BC254380  Poaceae A. D. E. Elmer 1902-6-1 4165 Los Angeles Lancaster Comment
  POM2889  Polygala cornuta var. fishiae Theodore Payne 1917-08 3263 Los Angeles Crater Camp, Santa Monica Mountains? Comment
  RSA464414  Polygonum aviculare subsp. aviculare F. R. Fosberg 1930-6-26 S- 3035 Los Angeles Lower Ballona Creek. 10 Comment
  RSA464412  Polygonum aviculare subsp. aviculare Robert Gustafson 1981-4-29 2224 Los Angeles Along the Centinella drainage ditch west of Lincoln Blvd. Comment
  RSA608022  Polygonum aviculare subsp. aviculare Louis C. Wheeler 1973-6-8 s.n. Los Angeles Los Angeles: SE of Alameda St. and San Diego Fwy, between Sepulveda and 233rd St. [L. A. Harbor Dept., Classification Yard, E of Domiguez Flood Control Channel.]. Comment
  UCR232373  Polygonum ramosissimum subsp. ramosissimum Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-20 8031 Los Angeles Mojave Desert, Antelope Valley, along west side of Sierra Highway, near Amargosa Creek drainage, south of Avenue E and north of Avenue F 703 Comment
  CHSC8330  Polypodium californicum Edward L. Smith 1957-5-30 12 Los Angeles Located at Little Dalton Canyon, San Gabriel Mts. 365 Comment
  RSA689915  Polypodium californicum M. B. Dunkle 1932-1-31 2864 Los Angeles Santa Catalina Island, Avalon Canyon. Comment
  SD139392  Polypodium californicum Jon Rebman 1996-4-28 3100 Los Angeles San Clemente Island: Eagle Canyon on southeast side of island 149 Comment
  UCSB62283  Polypodium californicum Kiefer, Lawrence 1967-5-28 Los Angeles San Gabriel Mtns., Glen Canyon, tributary of San Gabriel River, ca. 0.25mi from mouth 640 Comment
  RSA585122  Polypogon interruptus L. C. Wheeler 1933-12-24 2338 Los Angeles San Dimas Canyon Dam, San Gabriel Mountains 427 Comment
  SBBG21067  Polypogon monspeliensis E. C. Twisselmann 1964-5-7 9371 Los Angeles S end of Rogers Lake, Edwards Air Force Base Comment
  RSA0127378  Polypogon viridis Louis C. Wheeler 1967-7-20 10136 Los Angeles Aliso Canyon. 1067 Comment
  RSA0127703  Polypogon viridis Louis C. Wheeler 1967-7-18 10105 Los Angeles Gold Creek off Little Tujunga Canyon. 549 Comment
  RSA589186  Populus fremontii Tim S. Ross 1991-4-28 4739 Los Angeles Moody Spring ca. 4 miles NNE of Black Butte on the Mojave Desert. 863 Comment
  RSA620014  Potamogeton foliosus LeRoy Gross 1998-10-16 90 Los Angeles Southern base San Gabriel Mtns.: Tujunga Ponds. West of 210 freeway in big Tujunga wash, city of Sunland 366 Comment
  UCR190747  Potentilla glandulosa R. G. Swinney 2001-6-2 7959 Los Angeles San Gabriel Mtns./Mojave Desert, Juniper Hills area, Cruthers Creek 1.1 mi. south of Devils Punchbowl Rd. 1311 Comment
  LA52100  Potentilla glandulosa subsp. glandulosa Carl Epling; M. Epling 1925-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  SEINET10629182 Image available Prunus armeniaca Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2598 Los Angeles City of Pasadena. Trader Joe's, 610 S. Arroyo Pkwy. Comment
  RSA699567  Prunus emarginata LeRoy Gross, Paul Morton 2004-6-9 1350 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.) 1727 Comment
  SBBG118739  Prunus emarginata L. Gross with P. Morton 2004-6-9 1350 Los Angeles W end of main crest; S from Pacific Crest Trail along rd 7N23 past the 2nd Pacific Crest Trail that exits to the N; W of Bear Gulch Camp; T7N R17W S12,11,10&3 1727 Comment
  CAS-BOT-BC167239  Prunus ilicifolia Jennifer H. Jones 2006-6-4 371 Los Angeles Transverse Ranges; Foothills of San Gabriel Mtns.: SW of Claremont Wilderness Park near the W end of Pomello Drive. Dirt continuation of Pomello Drive across flood control channel 476 Comment
  RSA600008  Prunus ilicifolia Steve D. Boyd, Lauren Raz 1997-5-28 9849 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
  UCR270921  Prunus ilicifolia R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14342 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg. ) NNW of the trailhead 451 Comment
  RSA658363  Prunus ilicifolia subsp. ilicifolia Naomi Zohman 1985-4-28 27 Los Angeles Junction of CA Hwy 39 along west fork of San Gabriel River. Forest Service Road. Comment
  RSA187962  Prunus lyonii Robert F. Thorne 1966-9-16 36719 Los Angeles Santa Catalina Island. Near terminus of Renton Mine Rd.; upper end of Pebbly Beach Canyon 274 Comment
  CAS-BOT-BC154779  Prunus virginiana var. demissa Joseph Ewan; Nesta D. Ewan 1936-7-19 9751 Los Angeles Prairie Fork, San Gabriel Mts. 2194 Comment
  RSA567305  Prunus virginiana var. demissa Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3981 Los Angeles Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. [West Summit here construed as the 5605-foot knoll near the intersection of sections 3,4,9,10] 1390 Comment
  RSA675811  Pseudognaphalium biolettii LeRoy Gross 2003-3-7 758 Los Angeles Northwest side. Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane, off of Newhome Ave. in city of Sunland. 555 Comment
  UCR255510  Pseudognaphalium biolettii Dan S. Cooper 2014-5-23 514- 52 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, Vista del Valle Rd. northeast of Mt. Hollywood 328 Comment
  UCR96410  Pseudognaphalium biolettii Scott D. White 1997-2-2 4655 Los Angeles San Dimas/Pomona area: Bonelli Regional Park, Just NW of Puddingstone Reservoir, south of San Dimas Ave, and east of the I-210 Freeway 305 Comment
  RSA194015  Pseudognaphalium biolettii R. M. Beauchamp 1967-3-17 241 Los Angeles San Clemente Island: on slope east of Wilson Cove Comment
  SD66913  Pseudognaphalium biolettii R. Mitchel Beauchamp 1967-3-18 286 Los Angeles San Clemente Island; in field between main road and Lemon Tank. Comment
  UCSB8496  Pseudognaphalium biolettii Kraebel, C. 1931-9-10 Los Angeles San Dimas Canyon, SRE plot; Angeles Forest Comment
  SFV16114  Pseudognaphalium californicum J. M. Kneitel 1995-4-28 35 Los Angeles San Gabriel Mountains Kagel Canyon. Dexter Park next to dry creek bed. 425 Comment
  CATA1300  Pseudognaphalium luteoalbum Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2390 Los Angeles Santa Catalina Island: River bed just below upper Cape Canyon Reservoir 304 Comment
  CAS-BOT-BC80060  Pseudotsuga macrocarpa Chester Dudley 1931-7-1 s.n. Los Angeles San Gabriel Mts. Comment
  CAS-BOT-BC80072  Pseudotsuga macrocarpa S. Parnay Mar. s.n. Los Angeles Mt. Wilson Comment
  UCR95553  Psoralea macrostachya Steve Boyd, Valerie Soza, Orlando Mistretta 1996-6-12 8834 Los Angeles Liebre Mtns, Castaic Creek drainage upstream from confluence of Fish Canyon. 610 Comment
  UCR210122  Pteridium aquilinum R. G. Swinney 2008-10-16 9610 Los Angeles San Gabriel Mtns., Big Pine Meadow 2061 Comment
  HSC101300  Pterostegia drymarioides R. G. Swinney 2009-3-19 10146 Los Angeles San Gabriel Mtns. Foothills; Azusa, 0.7 mi. north of Sierra Madre Ave. on north side of San Gabriel River channel, ~100 m north of Hwy. 39 230 Comment
  LA52266  Pterostegia drymarioides Carl Epling; March 1925 6047 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  RSA654082  Pterostegia drymarioides Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 745 Los Angeles Verdugo Mountains, south side: Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mtwy. 427 Comment
  UC2029925  Pterostegia drymarioides S. D. White, Kent Hughes 2000-5-16 7837 Los Angeles SAN GABRIEL MTS.: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. Comment
  RSA650113  Purshia glandulosa Marion P. Harthill 1974-4-22 1667 Los Angeles Mojave Hwy. and N4. Comment
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Jan 4 2012
  CAS-BOT-BC158659  Purshia tridentata var. glandulosa Le Roy Abrams; E. A. McGregor 1908-7-2 528 Los Angeles Rock Creek, desert slopes of the San Gabriel Mountains 1158 Comment
  CAS-BOT-BC158661  Purshia tridentata var. glandulosa Elmer I. Applegate 1931-11-8 7004 Los Angeles 5 miles east of Little Rock, Big Rock Ranger Station, Big Rock Creek, north base of the San Gabriel Mountains Comment
  RSA401594A  Pycnanthemum californicum F. R. Fosberg, Joseph A. Ewan 1931-8-10 S- 5627 Los Angeles Lower Pine Flats, First Camp, N fork San Gabriel Canyon 1500 Comment
  UC586867  Pycnanthemum californicum Joseph Andorfer Ewan 1934-8-5 8459 Los Angeles Prairie Fork of San Gabriel River; San Gabriel Mts., Prairie Fork of San Gabriel River 1524 Comment
  POM305561  Pycnanthemum californicum Henry J. Ramsey, Henry J. Ramsey 1940-10-13 792 Los Angeles San Gabriel Mountains. Angeles Crest Hwy. 1524 Comment
  JEPS58813  Pyrola dentata Frank W. Peirson 1921-7-17 2512 Los Angeles San Gabriel Mountains, Prairie Fork of the San Gabriel River 2133 Comment
  UC1870186  Quercus LeRoy Gross, Michael Honer, Leland Lubinsky 2000-4-27 196 Los Angeles San Rafael Hills: S of Descanso Garden and N of the main ridge near coordinates. 487 Comment
  UC1093906  Quercus X alvordiana Herbert L. Mason 1927-5-20 3737 a Los Angeles Tejon Pass Sierra Liebre Mountains Comment
  RSA653363  Quercus X grandidentata LeRoy Gross 2000-10-28 311 Los Angeles Verdugo Mountains: Beaudry fire road northwest of Radio Towers, ridge top above Engleheard Canyon, pass saddle with antennas 793 Comment
  CAS-BOT-BC105001  Quercus X morehus Le Roy Abrams; E. A. McGregor 1908-7-5 660 Los Angeles Swartout Canyon, desert slopes of the San Gabriel Mountains 1828 Comment
  CHSC21927  Quercus agrifolia Robert A. Schlising 1970-11-19 2956 Los Angeles Santa Monica Mountains; about 2 miles northeast of Tapia Park. Comment
  RSA596089  Quercus agrifolia var. agrifolia Tim S. Ross, Steve D. Boyd 1995-6-28 8621 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. 707 Comment
  RSA652555  Quercus agrifolia var. agrifolia Thomas Seerley 1948-2-22 s.n. Los Angeles San Gabriel Mountains, Glendora. Comment
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Jun 16 2014
  POM19033  Quercus berberidifolia E. S. Spalding 1920-12-12 VIII- 2 Los Angeles Claremont E of Indian Hill. Comment
  RSA655363  Quercus berberidifolia LeRoy Gross 2000-11-4 315 Los Angeles Verdugo Mountains: Trail at end of Morning Glow, past Sunglow Way,east off La Tuna Canyon Road, Sun Valley. 366 Comment
  RSA670627  Quercus berberidifolia Bonnie C. Templeton, I. W. Clokey 1930-4-2 1433 Los Angeles Mulholland Dr., Northwest of Hollywood. Santa Monica Mountains. Comment
  UCD170061  Quercus berberidifolia Fay A. MacFadden 1931-3-15 2938 Los Angeles Verdugo Hills, La Tuna Canyon. 404 Comment
  LA46439  Quercus chrysolepis Carl Epling; May 1926 sn Los Angeles Arroyo Seco Comment
  UCR119832  Quercus dumosa Dan S. Cooper 2001-6-10 s.n. Los Angeles Ernest E. Debs Regional Park, Montecito Heights, SW of South Pasadena between the Pasadena Fwy (111) and the Huntington Fwy (66) 259 Comment
  UC1870291  Quercus durata var. gabrielensis LeRoy Gross 2000-10-28 300 Los Angeles Los Angeles Basin region; Verdugo Mtns.; Verdugo Mountains: Brand lateral trail behind the Brand Park Library, ridge west of Idlewood Canyon, where Grandview Ave. and Mountain St. meet in city of Glendale. Following the fire break up to main crest (to Beaudry fire road) Elev. 1000 feet. 304 Comment
  UCR217314  Quercus durata var. gabrielensis R. G. Swinney 2009-2-26 10040 Los Angeles San Gabriel Mtns., Monrovia Canyon Wilderness Park from park entrance to Monrovia Canyon Falls 534 Comment
  CAS-BOT-BC94178  Quercus engelmannii Geo. B. Grant 1901-1-1 s.n. Los Angeles Pasadena Comment
  JEPS38020  Quercus engelmannii W. L. Jepson 1908-7-13 3065 Los Angeles Swain Canyon Catalina Island Comment
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Feb 6 2008
  RSA476789  Quercus engelmannii George B. Grant 1904-5-5 s.n. Los Angeles Pasadena. Comment
  RSA599207  Quercus engelmannii Louis C. Wheeler 1968-3-28 s.n. Los Angeles Foothills of San Gabriel: West Debris Basin, Brown School for girls. NW of Glendora 366 Comment
  SD72799  Quercus engelmannii F. R. Fosberg 1931-1-7 7111 Los Angeles Arcadia 149 Comment
  UC1302365  Quercus engelmannii Robert F. Thorne and P. C. Everett 1964-2-7 33468 Los Angeles e end Santa Catalina Island (at lower end of Pebbly Beach Canyon); , Pebbly Beach Canyon 76 Comment
  UC630412  Quercus engelmannii Annetta Carter 1940-1-11 1489 c Los Angeles e side of canyon at head of Baldwin Avenue (foothills of the San Gabriel Mountains); Sierra Madre, San Gabriel Mountains 320 Comment
  UCR223621  Quercus ilex R. G. Swinney 2009-6-27 11287 Los Angeles Transverse Range; San Gabriel Mtns./San Gabriel Valley, San Gabriel River Wash, Azusa/Duarte border, 0.5 mi. north of Puente Largo railway bridge 194 Comment
  RSA597248  Quercus ilex B. Pitzer, P. Gomez 1996-4-28 2747 Los Angeles Los Angeles Basin Harbor City / City of Wilmington, Harbor Regional Park, at intersection of Pacific Coast Hwy (Calif. Hwy 1) with Vermont Avenue. Comment
  UCD45313  Quercus pacifica Ralph Day 1949-9 s.n. Los Angeles Catalina Island, Los Angeles County, California. Comment
  CAS-BOT-BC104873  Quercus wislizeni Jeannette L. Huber 1970-8-2 1094 Los Angeles Chilao, 1 mi N of Chilao Fire Station, San Gabriel Mtns. 1524 Comment
  UCD47603  Quercus wislizeni T. E. Weier 1941-6-26 s.n. Los Angeles California Live Oak. San Gabriel Mts. near Vincent, Calif. Comment
  JEPS37567  Rafinesquia californica F. W. Peirson 1918-6-4 251 Los Angeles foothills e Rubio Canyon (San Gabriel Mts., near Altadena); San Gabriel Mts. 609 Comment
  RSA225688  Rafinesquia californica R. F. Thorne, A. C. Gibson 1971-5-22 39728 Los Angeles San Gabriel Mountains. Angeles National Forest. Fish Canyon. 274 Comment
  RSA472411  Rafinesquia californica F. R. Fosberg 1931-4-10 54537 Los Angeles Santa Catalina Island. Avalon Canyon 150 Comment
  RSA631383  Rafinesquia californica Valerie L. Soza, LeRoy Gross 1999-5-11 467 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, between Morgan and Wildwood Canyons, above Ferguson Motorway. 670 Comment
  UCR126568  Rafinesquia californica A. C. Sanders, Andy Thomson 2003-4-15 25988 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1000 ft. south of Magic Mountain theme park 396 Comment
  UCR260031  Rafinesquia californica R. G. Swinney 2010-4-21 12323 Los Angeles San Gabriel Mountains, Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash 457 Comment
  UCR273588  Rafinesquia californica R. G. Swinney 2011-4-26 14487 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
  RSA547813  Rafinesquia californica Timothy S. Ross, Peter W. Fritsch 1990-6-20 3634 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
  SD82808  Ranunculus californicus I. W. Clokey, E. G. Anderson 1935-5-9 6947 Los Angeles Pomona Hills, grassy slope 399 Comment
  SEINET3161113  Ranunculus hebecarpus G. B. Grant 1110 Los Angeles Pasadena Comment
  SD69486  Ranunculus hebecarpus Robert F. Thorne 1966-4-7 35959 Los Angeles Santa Catalina Island; bottom canyon, Cherry Valley 60 Comment
  UCR131451  Raphanus sativus Alison Lipman 1998-5-6 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
  RSA399207  Reseda alba Freda Detmers 1929-4-19 s.n. Los Angeles Descanso Canon. Catalina Island. Comment
  SEINET2139665  Reseda alba G. B. Grant 1903-1 1112 Los Angeles Covina, Los Angeles Co. Cal. Comment
  RSA607927  Rhamnus californica subsp. californica Louis C. Wheeler 1961-6-13 7880 Los Angeles Pacoima Canyon near Dutch Louie Camp. 716 Comment
  UC592792  Rhamnus californica subsp. californica unknown 1927-12-31 1463 Los Angeles Eagle Rock Occidental College Comment
  RSA226222  Rhamnus ilicifolia Gary D. Cromwell, David W. Wheat 1971-4-16 505 Los Angeles Mystic Canyon, Angeles National Forest. 2 miles NE of Glendora at upper canyon fork 427 Comment
  RSA317211  Rhamnus ilicifolia Michael C. Long, J. E. Long 1974-3-24 s.n. Los Angeles Devil's Punchbowl Co. Park, Loop trail. 1402 Comment
  UCR133618  Rhamnus ilicifolia I. W. Clokey, B. C. Templeton 1929-1 4575 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 300 Comment
  UCR144603  Rhamnus ilicifolia G. D. Wallace 1985-2-24 2165 Los Angeles San Gabriel Mtns., Gold Hill, Alta Vista Ave. between Oak Grove and Mesa Circle, Monrovia 274 Comment
  SEINET13946339 Image available Rhamnus ilicifolia Peter H. Raven, Henry J. Thompson 1959-1 13911 Los Angeles Santa Monica Mountains. 34 deg. N, 118-119 deg. W. Las Flores Canyon 3.8 mi N of Coast Highway. Elev 1800 ft 549 Comment
  CAS-BOT-BC59800  Rhamnus pirifolia Reid Moran; R. M. Beauchamp; T. Oberbauer 1975-8-23 22682 Los Angeles W. fork of Red Rock Canyon, San Clemente Island. 280 Comment
  UC870834  Rhamnus pirifolia Ezra C. Knopf 262 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC168131  Rhus aromatica Le Roy Abrams 1901-4-3 1310 Los Angeles Santa Monica Mts. between [Cahunga] Cuhuenga Pass and [Encion] Encino 365 Comment
  CAS-BOT-BC170457  Rhus integrifolia Alice Eastwood 1906-6-5 239 Los Angeles Roscoe Comment
  LA200134  Rhus integrifolia Carl Epling; Lincoln Ellison 1930-3-28 sn Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon Comment
  LA209578  Rhus integrifolia A. H. Lange; 1951-4-12 Los Angeles Santa Monica Mountains Comment
  POM137321  Rhus integrifolia T. S. Brandegee 8833 Los Angeles San Clemente Island. Comment
  RSA0105157  Rhus integrifolia R. G. Swinney 2011-3-15 14102 Los Angeles San Gabriel Mountains: Arcadia, Arcadia Wilderness Park, 2240 Highland Oaks Drive, lower Santa Anita Cyn., southern portion of park. 232 Comment
  SBBG95272  Rhus integrifolia M. B. Dunkle 1928-3-31 1803 Los Angeles Cottonwood Cyn 152 Comment
  UCR197093  Rhus integrifolia LeRoy Gross 2007-4-27 2655 Los Angeles Transverse Range; Verdugo Mountains, southern front of the range, west branch of Sherer Canyons, near some old foundations, south of powerlines 288 Comment
  UCR258579  Rhus integrifolia R. G. Swinney 2010-4-23 12365 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  RSA0029483  Rhus integrifolia Daniel Kasang, Sabrina Lawrence-Gomez, Alexandria Cheung, Miller Zou, Sarah Ratay 2011-7-1 1 Los Angeles Santa Catalina Island. Deer Valley Trail. 4 Comment
  CAS-BOT-BC92286  Ribes amarum Ellsworth Bethel 1920-6-29 s.n. Los Angeles Orchard Camp. Mount Wilson trail. Comment
  RSA748195  Ribes amarum Scott D. White, Justin M. Wood 2009-5-6 12653 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  SEINET3151599  Ribes amarum G. B. Grant 1904-4-4 1124 Los Angeles Garvanza Comment
  UC1178501  Ribes amarum Peter Kamb 1948-2-14 778 Los Angeles Upper Sonoran Zone. Little Santa Anita Canyon San Grbiel Mts. 609 Comment
  UCR231784  Ribes aureum var. gracillimum Darren T. Hasegawa 2007-4-8 s.n. Los Angeles San Gabriel Mtns. Area, Pasadena, adjacent to Rose Bowl 256 Comment
  PASA2244  Ribes californicum Annetta Carter 1928-12-26 Los Angeles Mt. Wilson Trail, Mt. Wilson, Pasadena Comment
  RSA643967  Ribes cereum var. cereum V. W. Steinmann 1996-6-17 920 Los Angeles San Gabriel Mountains, at the summit of Mt. San Antonio. 3049 Comment
  PASA2249  Ribes hesperium Sally Ellis 1940-4-16 Los Angeles Evy's Canyon, Claremont Comment
  RSA476177  Ribes indecorum Albert J. Perkins 1917-2-25 s.n. Los Angeles Arroyo Seco- near upper end Comment
  UC1127295  Ribes malvaceum P. L. Johannsen 1934-1-18 232 Los Angeles 1/2 mi ne Mesa Peak; Calabasas Quadrangle Comment
  CAS-BOT-BC6071  Ribes malvaceum var. clementinum M. B. Dunkle 1939-11-24 7338 Los Angeles San Clemente Island. Summit above Mosquite Cove. Comment
  POM92276  Ribes malvaceum var. viridifolium Marcus E. Jones 1882-2-28 s.n. Los Angeles Pasadena. Comment
  RSA476234  Ribes quercetorum Ora M. Clark 1929-3-29 1824 Los Angeles N. W. Sandberg. Comment
  RSA454970  Ribes roezlii T. S. Clare 1931-1-1 15898 Los Angeles San Gabriel Mtss, Orchard Camp. 1372 Comment
  CHSC8055  Ribes speciosum Edward L. Smith 1957-3-26 205 Los Angeles Located at Blanchard Park, Pomona College, Claremont. San Gabriel Mts. 381 Comment
  UC1127624  Ribes speciosum R. St. John 1933-2-16 339 Los Angeles Tuna Canyon Calabasas Quadrangle 274 Comment
  UCR190085  Ribes velutinum R. G. Swinney 1998-8-27 6819 Los Angeles San Gabriel Mtns., West Baldy Peak 3040 Comment
  CAS-BOT-BC173933  Ribes viburnifolium Blanche Trask 1900-4-1 s.n. Los Angeles Santa Catalina Island Comment
  RSA187945  Ribes viburnifolium Robert F. Thorne 1966-4-30 36333 Los Angeles Santa Catalina Island, W fork of Gallagher s Canyon 305 Comment
  RSA670039  Ricinus communis Joseph M. Keefe 2001-3-19 31162 Los Angeles San Rafael Mountains. 10 meters north of Glenoaks Boulevard, 200 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, CA 91208 466 Comment
  POM259069  Rigiopappus leptocladus Gaines 1940-5-10 s.n. Los Angeles Chilao Flats, San Gabriel Moutnains. Comment
  CHSC26121  Robinia pseudoacacia Lawrence Pinter 1965-5-4 271 Los Angeles Little Rock Canyon, San Gabriel Mtns. 975 Comment
  CHSC95366  Rorippa nasturtium-aquaticum LeRoy Gross; Wayne Law 2000-8-8 179 Los Angeles Big Tujunga Wash/Verdugo Mountains Region: East of Hansen Dam, entered at Orcas Ave. parked at Orcas Park, hiked east of this park along river (just north of Wentworth Street), but not as far as the Tujunga ponds. 324 Comment
  UCR150058  Rorippa nasturtium-aquaticum L. C. Wheeler 1967-5-31 9808 Los Angeles Transverse Ranges; San Gabriel Mountains region, Pallett Creek at confluence with Big Rock Creek 1082 Comment
  CAS-BOT-BC147473  Rosa californica L. R. Abrams 1913-7-18 5016 Los Angeles Russel's Lake Comment
  CAS-BOT-BC147479  Rosa californica Alice Eastwood 1919-7-4 9277 Los Angeles Santa Monica Canyon, Los Angeles Comment
  CAS-BOT-BC147480  Rosa californica Joseph Andorfer Ewan 1936-8-6 9979 Los Angeles Head of Cedar Canyon off Mescal Canyon, San Gabriel Mts. 1981 Comment
  CHSC26321  Rubus parviflorus G. Kaufman 1966-4-29 153 Los Angeles 2 miles North of Altadena in Millard Cyn. at North end of Chaney trail in San Gabriel Mtns. 579 Comment
  CAS-BOT-BC158820  Rubus ursinus Timothy S. Ross 1992-5-24 6407 Los Angeles Lower Brown's Gulch, just W of the San Gabriel Dam, San Gabriel Mountains 463 Comment
  POM1466  Rubus ursinus Unspecified 32 Los Angeles Claremont? Comment
  POM366431  Rubus ursinus Anstruther Davidson 1890-05 s.n. Los Angeles Los Angeles. Comment
  RSA0106490  Rubus ursinus R. G. Swinney 2011-3-18 14171 Los Angeles San Gabriel Mountains: Glendora foothills, Mull Canyon below debris basin, along Mull Cyn. Road. 329 Comment
  RSA657345  Rubus ursinus D. Dhillon 1979-4-2 103 Los Angeles Verdugo Mountains Region: Growing along creek bed along a N/S creek, east side of slope, 1/3 mile up creek, 1/2 mile SW on La Tuna Canyon Road, Tujunga; off of 210 Freeway. 488 Comment
  RSA762422  Rumex acetosella R. G. Swinney 2008-7-24 9341 Los Angeles Waterman Mountain, ski runway on east-facing slope. 2390 Comment
  POM214263  Rumex acetosella Louis C. Wheeler 1932-5-4 682 Los Angeles near UCLA campus, west Los Angeles. 137 Comment
  CAS-BOT-BC433248  Rumex crispus Peter H. Raven; Henry J. Thompson 1959-5-5 14114 Los Angeles Santa Monica Mountains. Mulholland Hwy. 1 mile W. of Las Virgenes Rd. Malibu Creek drainage 274 Comment
  POM2355  Rumex crispus J. F. Illingworth 1898-05 s.n. Los Angeles Claremont. Comment
  RSA654207  Rumex crispus Fred Brooks 1988-5-7 41 Los Angeles San Antonio Canyon, 1.5 mi. above second tunnel at Mountain Rd. turnoff 1372 Comment
  UCR100621  Rumex crispus B. G. Pitzer 1996-5-5 2866 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
  RSA177683  Rumex crispus Robert F. Thorne, Percy C. Everett 1965-5-11 34667 Los Angeles Santa Catalina Island: Picnic Ground. 427 Comment
  RSA658413  Rumex crispus Erinn Wilson 1996-5-18 31 Los Angeles found off j lot [Cal Poly Pomona, parking] Comment
  RSA466100  Rumex hymenosepalus M. B. Dunkle 1938-3-20 5245 Los Angeles Rolling hills, Palos Verdes Hills, Los Angeles. Comment
  SBBG1730  Rumex hymenosepalus H. and M. Dearing 1939-4-14 3079 Los Angeles E of Little Rock Comment
  RSA713817  Rumex obtusifolius A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale 2003-4-30 26223 Los Angeles Western San Gabriel Mtns.: Castaic Valley along Castaic Creek 0-2 km downstream from Lake Hughes Rd., Newhall Ranch 351 Comment
  CAS-BOT-BC433918  Rumex salicifolius W. R. Dudley; F. H. Lamb 1896-6-7 4351 Los Angeles Kings Canyon, Liebre Mountains Comment
  CATA561  Rumex salicifolius Mark L. Hoefs, Robert F. Thorne 1975-8-7 825 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon 60 Comment
  POM2349  Rumex salicifolius I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. 107 Comment
  POM1629  Rupertia physodes P. A. Munz 1918-5-25 2278 Los Angeles Claremont - Live Oak Canyon Comment
  RSA653882  Sagina apetala Valerie L. Soza, Steve Boyd 2000-4-26 796 Los Angeles Verdugo Mountains, south side: Stough Canyon, Stough Park, above parking lot SW of intersection of Walnut Avenue and Lockheed View Drive, W of De Bell Municipal Golf Course, SE of Starlight Theater. 396 Comment
  CAS-BOT-BC103147  Salix bonplandiana Geo. B. Grant 1902-1-1 s.n. Los Angeles [Morenjo Canon] Marengo Canyon, Pasadena Comment
  POM362608  Salix bonplandiana M. B. Dunkle 1928-3-11 1730 Los Angeles Grand Canyon, Santa Catalina Island. Comment
  RSA6442  Salix exigua F. R. Fosberg 1932-3-3 7411 Los Angeles Castaic Creek, below Castaic, San Gabriel Mts. 300 Comment
  UCR108335  Salix exigua L. C. Wheeler 1973-4-20 s.n. Los Angeles Western Mojave Desert, Antelope Valley. Vincinty of Una Lake, San Andreas Rift Zone 854 Comment
  UCR178776  Salix exigua R. G. Swinney 1989-7-8 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon, 1.7 mi. NE of Glendora Mountain Road on Big Dalton Canyon Road, near dam caretaker's house 488 Comment
  UCR271853  Salix exigua R. G. Swinney 2011-6-23 15287 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  SBBG131702  Salix exigua S. A. Junak 1999-9-10 SCa 1097 Los Angeles Middle Ranch Cyn, at old rd crossing 85 Comment
  LA200827  Salix laevigata Carl Hedin; J. A. Ewan 1932-4-22 7628 Los Angeles SAN FERNANDO VALLEY, Los Angeles River, 0.4 km E of Radford Dr. Comment
  POM362613  Salix laevigata I. W. Clokey, Bonnie C. Templeton 1930-4-8 4724 Los Angeles San Francisquito Canyon. 800 Comment
  UCR220211  Salix laevigata R. G. Swinney 2009-4-24 10471 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, just below Littlerock Creek Dam, in tributary canyon to the east 1000 Comment
  LA52062  Salix laevigata F. R. Fosberg; 1932-3-13 7427 Los Angeles 15.0 Comment
  UC492418  Salix lasiandra subsp. lasiandra Carl W. Sharsmith 1932-1-17 8 Los Angeles ca. 9.5 km. above Azusa (bottom of Lower San Gabriel Canyon); Lower San Gabriel Canyon 300 Comment
  RSA522456  Salix lasiolepis Tim S. Ross, Orlando Mistretta, Peter W. Fritsch 1990-7-10 4048 Los Angeles NE of Tie Summit Station and E of Angeles Forest Hwy. Westerly drainage that meets Tie Canyon. Tujunga Ranger District, Angeles National Forest. 1463 Comment
  RSA586439  Salix lasiolepis Orlando Mistretta 1995-2-28 1525 Los Angeles San Gabriel Mountains, Carr Canyon. 1067 Comment
  RSA669636  Salix lasiolepis LeRoy Gross 2002-3-7 490 Los Angeles North side; Off La Tuna Canyon Road, Santa Monica Mountains Conservancy Land. South of 210 Freeway. 579 Comment
  RSA776517  Salix lasiolepis Jane Tirrell 2011-5-26 LS- 9 b Los Angeles Along north side of Highway 2 near mile marker 67.7. 2284 Comment
  SBBG57887  Salix lasiolepis F. R. Fosberg 1932-1-26 7177 Los Angeles Los Angeles River at foot of Cahuenga Pass grade 180 Comment
  UC1211018  Salix lasiolepis Huron H. Smith 1912-6-13 5102 Los Angeles Rock Spring Canyon Santa Catalina Island 76 Comment
  UC483061  Salix lasiolepis F. R. Fosberg 1932-1-26 7173 Los Angeles top of grade between Calabasas and Agoura Comment
  UC483068  Salix lasiolepis F. R. Fosberg 1931-3-1 S 4220 Los Angeles 2 1/2 mi. below Wildwood; Santa Monica Mts., Topanga Canyon 60 Comment
  UC492438  Salix lasiolepis F. R. Fosberg 1931-1-26 7179 Los Angeles Topanga Canyon Santa Monica Mts., Topanga Canyon 225 Comment
  UC492446  Salix lasiolepis F. R. Fosberg 1932-3-3 7410 Los Angeles Agoura (Picture City) Santa Monica Mts., Agoura (Picture City) Comment
  UC506408  Salix lasiolepis Carl Hedin and Joseph Ewan 1933-2-16 7658 Los Angeles at <Colma ?> Dr. Verdugo Canyon Comment
  UC506425  Salix lasiolepis A. Nesta Dunn and Joseph Ewan 1933-7-23 7839 Los Angeles e. end Barley Flats; San Gabriel Mts. 1554 Comment
  CAS-BOT-BC128516  Salix lasiolepis var. lasiolepis F. R. Fosberg 1932-3-3 7410 Los Angeles Santa Monica Mountains - Agoura (Picture City) Comment
  POM184876  Salix lucida subsp. lasiandra Carl. W. Sharsmith 1932-1-17 8 Los Angeles Lower San Gabriel Canyon, about 9.5 km. above Azusa. 300 Comment
  POM362683  Salix lucida subsp. lasiandra E. A. Purer 1935-5-11 6583 Los Angeles Ventura Boulevard, near Calabasas. Comment
  RSA616053  Salix lucida subsp. lasiandra Scott D. White 1997-11-20 6022 Los Angeles Cismontane L.A. County: Big Tujunga Wash (San Gabriel Mtn. foothills / E San Fernando Valley): West of Sunland, SW of I-210 Freeway, E of Hansem Dam, and N of Wentworth St. 320 Comment
  POM296994  Saltugilia splendens subsp. grantii Lyman Benson 1945-6-5 11765 Los Angeles Cold Spring, 2.5 miles southwest of Camp Baldy on the Glendora Road. San Gabriel Mountains. Pacific Slope Drainage 1372 Comment
  UC907848  Saltugilia splendens subsp. grantii Herbert L. Mason 1927-6-11 3744 Los Angeles Mount Wilson San Gabriel Mountains, Mount Wilson 914 Comment
  UCR210163  Saltugilia splendens subsp. grantii R. G. Swinney 2008-8-13 9386 Los Angeles San Gabriel Mtns., east fork of Icy Springs drainage, tributary of Big Rock Creek, 0.3 mi. SE of Big Rock Creek Rd. 1805 Comment
  RSA0091748  Saltugilia splendens subsp. splendens R. G. Swinney 2011-5-26 14855 Los Angeles 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1061 Comment
  RSA71890  Saltugilia splendens subsp. splendens F. W. Peirson 1918-10-16 s.n. Los Angeles Pacoima Canyon, west end of San Gabriel Mts. 534 Comment
  RSA411293  Salvia apiana Ruth E. Eaton 1956-7-15 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  RSA424356  Salvia apiana William Emboden 1970-6-12 3 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  UC1595242  Salvia apiana Tim Ross and Peter Fritsch 1990-6-20 3590 Los Angeles near onfluence of the E and W Forks of the San Gabriel River (mouth of Burro Canyon); San Gabriel Mountains, Burro Canyon 445 Comment
  UCR259771  Salvia apiana R. G. Swinney 2010-4-28 12393 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
  RSA337607  Salvia apiana S. Carlquist 1983-7-20 15799 Los Angeles Mt. Baldy Road near flood control dam at base of canyon. Comment
  CHSC35383  Salvia carduacea M. B. Schwartz 1971-5-7 Los Angeles Ca. 20 mi. SE of Palmdale, 1 1/2 mi. So. of Ave. T at 116th St. East by R. R. in Littlerock in Mojave Desert. 853 Comment
  CDA40954  Salvia carduacea Phillipson 1916-5-6 5 .1.A Los Angeles Monrovia. 0 Comment
  RSA401458B  Salvia columbariae Roy R. Snelling 1977-3-19 15 Los Angeles Mojave Desert, 2 miles S of Pearblossom. 1067 Comment
  SFV22140  Salvia columbariae V. Soza, E. Edwards, L. Gross, B. O'Brien 2000-4-25 761 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mountainway. Open, west-northwest-facing slope below trail along ridgetop. 488 Comment
  POM3990  Salvia columbariae Dian Haynes 1890-05 s.n. Los Angeles Arroyo Seco. Comment
  SBBG20203  Salvia dorrii var. dorrii M. A. Piehl 1963-5-18 63307 Los Angeles foothills just N of Godde Pass 914 Comment
  RSA191571  Salvia dorrii var. pilosa Robert F. Thorne 1966-4-23 36148 Los Angeles San Gabriel Mountains: just N of Valyermo 1067 Comment
  RSA339715  Salvia dorrii var. pilosa Robert F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 55008 Los Angeles S of Emma Mountain Road, just E of Little Rock Creek. 1006 Comment
  RSA776323  Salvia dorrii var. pilosa R. G. Swinney 2009-4-29 10612 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  SBBG44522  Salvia dorrii var. pilosa K. K. Muller 1957-5-14 814 Los Angeles Mint Cyn Comment
  JEPS62727  Salvia leucophylla Samuel B. Parish Jun 1887 1889 Los Angeles San Francisquito Canyon Comment
  RSA434098  Salvia leucophylla F. R. Fosberg 1931-6-19 S- 5157 Los Angeles Carbon Canyon, Puente Hills Range. Comment
  UCR170454  Salvia leucophylla Alex R. Van Dam 2004-5-16 014 Los Angeles Western Transverse Range; Santa Monica Mtns., Franklin Canyon Park near the main parking lot on a slightly graded N-facing slope 280 Comment
  CAS-BOT-BC233293  Salvia mellifera Alice Eastwood 1906-5-27 65 Los Angeles Garvanza Comment
  CAS-BOT-BC233299  Salvia mellifera J. A. Ewan 1932-5-10 7456 Los Angeles Above Verugo Hacienda, Verdugo Canyon Comment
  CLARK-A1528-1328  Salvia mellifera K. Grant 1963-5-1 248 Los Angeles Claremont Comment
  HSC12511  Salvia mellifera Wendell Wood 1970-6-17 8 Los Angeles Linda Vista Rd. and Chevy Chase, Glendale 366 Comment
  POM158300  Salvia mellifera M. B. Dunkle 1928-3-11 1725 Los Angeles Santa Catalina Island: Grand Canyon 168 Comment
  RSA0091079  Salvia mellifera R. G. Swinney 2011-4-9 14376 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
  SFV21145  Salvia mellifera J. M. Keefe 2001-1-19 30957 Los Angeles San Rafael Hills Los Angeles, Eagle Rock. South by southeast face of the Eagle Rock. 305 Comment
  UC25731  Salvia mellifera Harley P. Chandler 1897-3-14 Los Angeles San Dimas 609 Comment
  UCR136928  Salvia mellifera B. C. Templeton 1929-12-19 1439 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 250 Comment
  UC729857  Sambucus mexicana Carl B. Wolf 1932-7-6 3833 Los Angeles Van Nuys Blvd. 1/2 mi e Pacoima Post Office; San Fernando Valley 335 Comment
  RSA0091735  Sambucus nigra subsp. caerulea R. G. Swinney 2011-5-12 14686 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
  LA33902  Sambucus nigra subsp. canadensis Peter H. Raven; 1959-5-3 14065 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Drive 0.5 mi E of Beverly Glen Blvd. 380 Comment
  UC398747  Sanicula arguta Katharine Brandegee Los Angeles Santa Catalina Island Comment
  UCR64300  Sanicula arguta S. J. Myers 1990-4-3 s.n. Los Angeles Powder Canyon, in the City of La Habra Heights 245 Comment
  RSA785813  Sanicula arguta K. Dobry 1990-3-25 114 Los Angeles Simi Hills at Dayton Canyon Comment
  POM3414  Sanicula bipinnata P. A. Munz 1918-4-11 2035 Los Angeles Lone Hill near Glendora. Comment
  RSA0119035  Sanicula bipinnata A. C. Sanders, T. B. Salvato 2007-4-24 33489 Los Angeles Tehachapi Mountains: hills above head of Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant. 1098 Comment
  RSA0086541  Sanicula crassicaulis R. G. Swinney 2011-5-3 14572 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  SBBG116987  Sanicula crassicaulis S. A. Junak 2001-5-3 SCa 1473 Los Angeles just N of Airport Rd, in extreme upper portion of Swain (Toyon) Cyn 374 Comment
  UC188199  Satureja mimuloides G. L. M. 1915-7-24 437 Los Angeles 1/2 mi above Oak Wilde Camp; San Gabriel Mts., Arroyo Seco Canyon Comment
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Sep 12 2013
  UCR220346  Scandix pecten-veneris D. E. Bramlet, Mike Ahmer 2005-4-14 3794 Los Angeles Los Angeles Basin Region, Puente Hills in La Habra Heights, main drainage of Powder Canyon, c. 547 ft. east of Skyline Drive and 1460 ft. north of Fullerton Rd. 249 Comment
  RSA343363  Schismus arabicus F. R. Fosberg 1983-4-22 64145 Los Angeles N of Saddleback Butte, n of Avenue J, E of Lancaster, Antelope Valley Comment
  LA98849  Schismus arabicus E. R. Hobbs; Walt Westman 1979-3-30 79 50 Los Angeles 7 Comment
  RSA0087083  Schismus barbatus R. G. Swinney 2010-3-18 11976 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road. 540 Comment
  RSA228913  Schismus barbatus R. F. Thorne 1971-6-26 40626 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Tujunga Canyon 427 Comment
  RSA587395  Schismus barbatus Orlando Mistretta 1992-5-8 272 Los Angeles San Gabriel Mountains. Little Rock Creek. slopes E. of Little Rock Creek Reservoir 1066 Comment
  SD181746  Schismus barbatus LeRoy Gross, M. Denslow, M. Sidibeh, V. Soza 2003-2-10 690 Los Angeles Verdugo Mountains Region; South side; on shoulder along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. 783 Comment
  UCR95584  Schoenoplectus acutus var. occidentalis L. C. Wheeler 1946-8-28 6271 Los Angeles San Gabriel Mtns, Caldwell Lake 1570 Comment
  RSA660441  Scrophularia californica subsp. floribunda Orlando Mistretta 1992-6-17 580 Los Angeles Road 2N09 EA. Curtiss Haul Road, Cow Canyon. From 2nd drainage down to Cattle Canyon. Comment
  RSA167089  Scutellaria tuberosa W. G. Webb 1935-2-2 s.n. Los Angeles Chevy Chase, San Rafael Hills north of Glendale Comment
  RSA303814  Scutellaria tuberosa Jim R. Shevock 1970-5-3 177 Los Angeles Reche Canyon Road. 244 Comment
  RSA445377  Scutellaria tuberosa Richard C. Barkelew 1929-4-23 s.n. Los Angeles Malibu Mountains. Comment
  CAS-BOT-BC61987  Selaginella asprella I. M. Johnston 1917-7-28 1595 Los Angeles San Antonio Canyon 1752 Comment
  RSA785484  Selaginella bigelovii Doris Bowers 1957-2-16 1 Los Angeles Dalton Canyon 610 Comment
  LA5825  Selaginella bigelovii A. M. Johnson; 1934-3-16 4378 Los Angeles Comment
  RSA526599  Selaginella bigelovii Steve Boyd, T. S. Ross, Laurel Arnseth 1990-4-7 4183 Los Angeles San Clemente Island: Upper reaches of China Canyon, S end of island, W side. Comment
  POM5814  Senecio californicus L. R. Abrams 1901-4-1 1197 Los Angeles Ballona Harbor. Comment
  RSA472952  Senecio flaccidus var. douglasii V. V. Giles 1936-7-5 267 Los Angeles San Gabriel River where highway 66 crosses Comment
  RSA472954  Senecio flaccidus var. douglasii A. M. Johnson 1932-5-5 s.n. Los Angeles Campus, U.C.L.A., south end on hillside Comment
  SFV12530  Senecio flaccidus var. douglasii J. W. Dole 1980-9-5 s. n. Los Angeles Santa Susana Mountains Santa Susana Mountains. Comment
  UCR127396  Senecio flaccidus var. douglasii A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25532 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, "Long Canyon,' north of Potrero Canyon 366 Comment
  UCR149892  Senecio flaccidus var. douglasii R. G. Swinney 1999-6-18 7321 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 Comment
  POM19159  Senecio lyonii P. A. Munz 1923-4-8 6629 Los Angeles San Clemente Island, Wilson's [Wilson] Cove Comment
  SD79009  Senecio lyonii R. Mitchel Beauchamp 1967-1-27 114 Los Angeles San Clemente Island, sea bluff east of main Wilson Cove area Comment
  SEINET3148748  Senecio lyonii G. B. Grant, W. Wheeler 1904-4-21 1193 -A Los Angeles Santa Catalina Island, Pacific Ocean, off southern California Comment
  JEPS26476  Senecio vulgaris Peter H. Raven 1960-4-2 14870 Los Angeles Zuma Beach Santa Monica Mountains, Point Dume 22 Comment
  UCSB41662  Senecio vulgaris 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
  SEINET3155151  Sesuvium verrucosum G. B. Grant 1904-6-5 1198 -6112 Los Angeles at Ballona Salt Marsh Comment
  CAS-BOT-BC240236  Setaria viridis Ernest C. Twisselmann 1970-10-17 17547 Los Angeles Antelope Valley: Gorman Highway 5 miles west of Highway 14 1005 Comment
  RSA733746  Silene antirrhina R. G. Swinney 2000-5-20 7689 Los Angeles NE of Azusa, 0.8 mi. north of San Gabriel Dam, ridge east of Polecat Gulch north of Hwy 39 610 Comment
  SEINET3155728  Silene antirrhina G. B. Grant 1904-5-5 1205 a Los Angeles Pasadena Comment
  SFV4909  Silene antirrhina M. H. Grayum 1971-5-20 s. n. Los Angeles Santa Monica Mountains Headwaters of Cold Creek near Stunt Road. 488 Comment
  CAS-BOT-BC174897  Silene laciniata Alice Eastwood 1906-6-1 109 Los Angeles Laurel Canyon Comment
  CSUSB706  Silene laciniata Virginia M. Bolton 1966-5-10 Los Angeles Pomona (city), on the Cal Poly campus hillside. California Polytechnic University, Pomona. Comment
  UCD98925  Silene laciniata Earl Brown; Tracy Brown 1993-4-18 s.n. Los Angeles Santa Monica Mountains, Will Rogers State Park, aobut 1.1 miles from the beginning of Loop Trail to Inspiration Point and 5' off of the trail. 213 Comment
  CHSC36139  Silene laciniata subsp. laciniata K. Bridwell 1978-6-17 144 Los Angeles Along fireroad on ne slope of Verduga Mts, ca. 1/4 mi w of Beaudry, ca. 2 mi w of Verdugo Rd, Glendale. 365 Comment
  POM175383  Silene verecunda subsp. platyota West 1930-7-12 s.n. Los Angeles Mt. Islip. Comment
  UCR205117  Silybum marianum R. G. Swinney 2008-4-17 8679 Los Angeles San Gabriel Mtns., San Dimas, lower Shay Canyon 366 Comment
  OBI8143  Silybum marianum Lewis Meltz 1977-4-9 LM 29 Los Angeles Along rd cut of old Mt Wilson toll rd 2 km E ofeaon Cyn bridge 488 Comment
  CAS-BOT-BC75082  Sisymbrium altissimum Ernest C. Twisselmann 1955-8-10 2307 Los Angeles San Emigdio Range. Upper Castaic Valley. 1226 Comment
  SBBG12247  Sisymbrium irio P. H. Raven 1962-4-9 17140 Los Angeles near barracks, Wilson Cove 60 Comment
  JEPS53883  Sisymbrium officinale Frank W. Peirson 1920-4-25 2109 Los Angeles Arroyo Seco; San Gabriel Mountains, Arroyo Seco 411 Comment
  RSA724767  Sisymbrium orientale K. Dobry 1991-5-22 d- 634 Los Angeles Soka University NE section. Santa Monica Mts. 1 mi East of Las Virgenes Rd off Muholland Hwy. 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
  UCR259065  Sisymbrium orientale R. G. Swinney 2010-3-14 11906 Los Angeles San Gabriel Mountains, Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road 447 Comment
  PASA2080  Sisymbrium pinnatum A. Carter 1929-1-10 Los Angeles Base of Sierra Madre Mts. Comment
  POM1767  Sisyrinchium bellum I. M. Johnston 1917-5-13 1022 Los Angeles El Monte. 84 Comment
  RSA612174  Sisyrinchium bellum Valerie L. Soza, M. E. Siqueiros D. 1997-3-19 21 Los Angeles Bernard Field Station of the Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard. 412 Comment
  UCR200200  Sisyrinchium bellum Valerie Soza, LeRoy Gross, Adelina Munoz 2000-5-12 900 Los Angeles Transverse Ranges; 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
  POM1772  Sisyrinchium bellum C. F. Baker 1904-5-2 4766 Los Angeles Hills near Claremont Comment
  SEINET12045592  Sisyrinchium bellum C. L. Abbott 1926-1 s.n. Los Angeles Los Angeles Comment
  RSA381587  Solanum americanum Steven A. Junak 1981-7-31 SCL- 45 Los Angeles San Clemente Island. Sand dunes at northwest end of Island, Northeast of Benchmark 199. 30 Comment
  RSA659833  Solanum americanum Orlando Mistretta 1992-4-4 126 Los Angeles San Clemente Island. Comment
  RSA0087240  Solanum douglasii R. G. Swinney 2010-4-28 12384 Los Angeles near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA167822B  Solanum douglasii Robert F. Thorne, Percy C. Everett 1964-2-7 33466 Los Angeles Lower end of Pebbly Beach Canyon, E end of Santa Catalina Island. 76 Comment
  UC998925  Solanum douglasii P. O. Schallert 1944-4-27 Los Angeles Monrovia Canyon Comment
  UCD126888  Solanum douglasii Kenneth A. Wilson 1961-3-12 1007 Los Angeles Point Dume, summit of Birdview and Cliffside Drive. 38 Comment
  UCR217423  Solanum douglasii R. G. Swinney 2009-3-10 10063 Los Angeles San Gabriel Mtns. Foothills, Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  UCR258580  Solanum douglasii R. G. Swinney 2010-4-23 12363 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 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
  POM158267  Solanum douglasii M. B. Dunkle 1928-5-27 1973 Los Angeles Hamilton Canyon; San Clemente Island. 15 Comment
  RSA523164  Solanum douglasii Tim S. Ross 1991-2-23 4108 Los Angeles Whittier Hills (Puente Hills): Upper Turnbull Canyon on slope dropping WNW from Turnbull Canyon Road x Skyline Drive. 292 Comment
  RSA651323  Solanum douglasii Peter J. Estournes 1981-5-14 26 Los Angeles 60 freeway west; east bound 2 miles east of 605 freeway. Comment
  RSA658408  Solanum douglasii Erinn Wilson 1996-4-26 4 Los Angeles G Canyon on Cal Poly Campus Pomona. Comment
  SBBG31536  Solanum douglasii R. M. Beauchamp 1967-3-17 243 Los Angeles near rocks E of Wilson Cove Comment
  SD85100  Solanum douglasii E. R. Blakley 1962-10-5 5425 Los Angeles old mill site, Hen Cove north of Whites Landing, Santa Catalina Island 3 Comment
  RSA630323  Solanum mauritianum Harry Spilman 1996-6-15 s.n. Los Angeles west side of Arroyo Seco flood control channel, ca. 30 m. N of San Rafael St. Bridge, Pasadena [ Also seen growing (not collected) at Pasadena Fwy off ramp at Orange Grove; N side of ramp about 5 m W of Orange Grove] Comment
  RSA670949  Solanum nigrum Joseph M. Keefe 2001-3-13 31091 Los Angeles East side of Tipton Terrace, 0.2 miles south of Buena Vista Terrace. Highland Park District, 1.5 miles southwest of The Eagle Rock. 90042 256 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
  UC884967  Solanum umbelliferum I. W. Clokey, E. G. Anderson 1935-5-9 6879 Los Angeles San Dimas Canyon Comment
  UCR190606  Solanum umbelliferum R. G. Swinney 2000-6-19 7814 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  UCR252873  Solanum umbelliferum R. G. Swinney 2010-3-10 11803 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes 329 Comment
  CAS-BOT-BC83635  Solanum umbelliferum C. B. Wolf 1931-5-13 2000 Los Angeles Pacoima Wash, near bridge on the road from Tujunga to San Fernando. 365 Comment
  POM9648  Solanum umbelliferum Philip A. Munz, R. D. Harwood 1920-5-15 4003 Los Angeles Sepulveda Canyon, Santa Monica Mountains 213 Comment
  UC1408947  Solanum umbelliferum Donald R. Bissing 1973-5-18 98 Los Angeles Evey Canyon, 1.1 mi from canyon mouth Evey Canyon; San Gabriel Mountains, Evey Canyon 902 Comment
  CAS-BOT-BC237747  Solanum wallacei Grant; Wheeler 1904-4-1 6141 Los Angeles Santa Catalina Island Comment
  RSA427377  Solanum wallacei Anstruther Davidson 1899-06 s.n. Los Angeles Catalina Island Comment
  RSA545275  Solanum wallacei D. Propst, Hoefs 1973-3-3 14 Los Angeles Santa Catalina Island. Upper White Landing Road. 381 Comment
  HSC34772  Solanum xanti R. E. Cooksey 1972-4-18 39 Los Angeles San Gabriel Mtns., San Dimas Canyon, 6.2-7 mi. from Hwy. 66 and San Dimas Rd. 564 Comment
  SBBG70662  Solanum xanti M. N. Ackley -Mar-1927 976 Los Angeles Big Tujunga Wash, near Sunland 274 Comment
  RSA473606  Solidago californica Anstruther Davidson 1889-07 s.n. Los Angeles Glendale. Comment
  RSA473619  Solidago californica L. E. Hoffman 1928-8-16 s.n. Los Angeles Buckhorn Flats. Angeles Forest 2165 Comment
  RSA93073  Solidago californica F. W. Peirson 1918-11-1 230 Los Angeles Arroyo Seco Canyon, south slope of San Gabriel Mts. 1296 Comment
  JEPS26121  Solidago velutina subsp. californica Peter H. Raven 1959-9-28 13732 Los Angeles Elysian Park , Elysian Park (Santa Monica Mountains) 198 Comment
  PASA336  Sonchus asper Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  RSA594990  Sonchus oleraceus Mark Hoefs, R. F. Thorne 1996-4-6 2633 Los Angeles Santa Catalina Island. End of Renton Mine Road. 268 Comment
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Nov 20 2009
  UCR281427  Sonchus oleraceus R. G. Swinney 2014-5-27 16668 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
  RSA232791  Sonchus oleraceus R. F. Thorne 1966-4-17 36117 Los Angeles San Clemente Island: near bottom of Box Canyon NW of Horse Canyon, SW of Thirst. 213 Comment
  SEINET3372082  Spergularia rubra G. Rink 2011-6-6 10598 Los Angeles Just south of the Triple Clays Shooting Range in Whittier, weedy place 55 Comment
  CAS-BOT-BC235433  Sporobolus airoides Roxana S. Ferris 1918-6-12 907 Los Angeles In desert road between Oban and Lancaster Comment
  RSA446606  Stachys albens Thekla Mohr 1915-1 3256 Los Angeles North Fork, San Gabriel River. Comment
  RSA601045  Stachys albens Steve Boyd, Lauren Raz 1997-6-18 9983 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  UC519977  Stachys albens Louis C. Wheeler 1932-8-28 1295 Los Angeles Puddingstone Dam San Jose Hills 274 Comment
  UCSB50620  Stachys bullata Hood, Richard 1970-4-11 Los Angeles in West LA on maintenance trail; 1\2 mi. NW of Mt. St,.Mary's College; in Santa Monica Mtns 304 Comment
  RSA533480  Stachys rigida subsp. quercetorum Tim S. Ross 1991-3-9 4189 Los Angeles Whittier Hills: (Puente Hills, pro parte): head of unnamed ENE-draining canyo