Search Results — 2000 specimen records retrieved (1629 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/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78038  Abies concolor Saichi Kawahara 1968-4-9 142 Los Angeles on Highway 2, 5 miles east of junction with Highway 39, Angeles National Forest 2148 Comment
  RSA0115408  Abies concolor R. G. Swinney 2010-9-23 13891 Los Angeles San Gabriel Mountains; summit of Middle Hawkins Peak on Hawkins Ridge. 2576 Comment
  UC7609  Abronia maritima J. H. Barber 1907-1-25 Los Angeles So. Santa Monica Comment
  SBBG19182  Abronia umbellata M. A. Piehl 1963-12-8 63163 Los Angeles mouth of Horse Beach Cyn, which is first cyn E of China Pt 1 Comment
  SBBG88253  Acacia cyclops A. C. Sanders 1987-10-13 7420 Los Angeles El Segundo dunes, W of LA Intl Airport, between Pershing Drive and Vista Del Mar Blvd 38 Comment
  CATA3241  Acacia decurrens Julia Parish 2016-12-20 020 Los Angeles Santa Catalina Island: South end of Airport in landscaping 0 Comment
  RSA252887  Acamptopappus sphaerocephalus var. sphaerocephalus R. F. Thorne 1973-5-11 43543 Los Angeles 1/4-1/2 mile N of Bob's Gap, N slope of Holcomb ridge, ca. 2.5 miles due S of Llano. 1159 Comment
  CAS-BOT-BC412582  Acanthoscyphus parishii var. parishii James L. Reveal; Barbara J. Ertter 1976-6-29 4561 Los Angeles San Gabriel Mountains, along the Pacific Mountain Road, 1.3 mile west of Alder Saddle, 1.7 mile east of the turnoff to Pacifico Mountain 1813 Comment
  RSA599323  Acer macrophyllum Steve D. Boyd, Lauren Raz 1997-3-26 9378 Los Angeles Liebre Mountains region: Sierra Pelona Ridge, Willow Spring on the southern flank of Martindale Canyon near the northern end of Bouquet Canyon, south of the upper end of the reservoir along Forest Service Road 6N08. 1311 Comment
  RSA650349  Acer macrophyllum R. Carlson 1961-5-31 80 Los Angeles Glendora Mt. Rd., 3/4 way to Mt. Baldy. Comment
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Nov 18 2011
  SD251166  Acer macrophyllum Duncan S. Bell 2013-7-11 5371 Los Angeles Transverse Ranges; San Gabriel Mountains region: Sheep Mountin Wilderness; eastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1993 Comment
  SEINET13276839 Image available Acer macrophyllum R. G. Swinney 2011-1 14194 Los Angeles San Gabriel Mountains: mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam (Glendora 7.5' Q.) (T1N R9W S28) 509 Comment
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Oct 19 2018
  UCD117051  Acer macrophyllum Lionel A. Stange 1956-4-28 s.n. Los Angeles Topanga Canyon. Comment
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May 29 2014
  RSA0020367  Achillea millefolium Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5072 Los Angeles San Gabriel Mountains region: Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA150679  Achillea millefolium var. californica P. H. Raven 1962-5-9 17642 Los Angeles Canyon just north of Guds, San Clemente Island 229 Comment
  CAS-BOT-BC211921  Achnatherum coronatum Mrs. Jos. Clemens 1922-5-30 s.n. Los Angeles Base of Mt. Wilson Comment
  POM182186  Achnatherum coronatum Marcus E. Jones 1926-5-7 s.n. Los Angeles Claremont. 365 Comment
  RSA225676  Achnatherum coronatum R. F. Thorne, A. C. Gibson 1971-5-22 39719 Los Angeles Angeles National Forest: Fish Canyon, on bluff face. 259 Comment
  RSA228860  Achnatherum occidentale subsp. californicum R. F. Thorne 1971-6-26 39993 Los Angeles Angeles National Forest: Chilao Flat near entrance. 1616 Comment
  RSA129145  Achnatherum speciosum H. A. Jensen 1933-5-18 304 Los Angeles Oposite mouth of Aliso Canyon. 884 Comment
  CAS-BOT-BC198615  Acmispon argophyllus var. adsurgens Steven A. Junak 1996-6-1 567 Los Angeles S end of island, along E rim of upper china canyno, at head of small side canyn, ca. 0.2 mile SW of top of China Point Road, San Clemente Island 393 Comment
  CAS-BOT-BC204760  Acmispon argophyllus var. argenteus Robert F. Thorne 1966-4-15 36016 Los Angeles San Clemente Island: ca. 1/2 mile SSE of Eel Point, SW side of island 30 Comment
  SD217299  Acmispon argophyllus var. argenteus Steve Boyd, Tim Ross and Laurel Arnseth 1990-4-8 4309 Los Angeles San Clemente Island, east side of island near Malo Point, first canyon south of Bryce Canyon. Comment
  SD52907  Acmispon argophyllus var. argenteus Peter H. Raven 1962-4-11 17281 Los Angeles San Clemente Island, due west of Wall 2; on sandy beach 9 Comment
  UCR143301  Acmispon dendroideus var. dendroideus Glenn A. Gorelick 1978-5-26 s.n. Los Angeles Channel Islands, Santa Catalina Island, Catalina Harbor 76 Comment
  SBBG118143  Acmispon micranthus F. R. Fosberg 1931-7-16 5428 Los Angeles Gallagher Cyn, left fork 30 Comment
  SBBG119934  Acourtia microcephala A. C. Sanders 2003-7-15 27098 Los Angeles Newhall Ranch, Magic Mtn area, 0.9 mi S of Castaic Junction; Santa Susana Mtns 335 Comment
  UC831516  Acourtia microcephala Ira W. Clokey, B. Templeton 1929-6-18 4582 Los Angeles Mandeville Canyon; Santa Monica Mountains 250 Comment
  CAS-BOT-BC29720  Acroptilon repens T. C. Fuller 1963-10-9 11366 Los Angeles N side of 7th Street, E of Salida Ave., just W of the San Gabriel River, Long Beach Comment
  UC1861755  Adenostoma fasciculatum Steve Boyd, Amber Maurice 2004-5-18 11334 Los Angeles Transverse Ranges; Liebre Mountains region: Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain. 609 Comment
  UCR103759  Adenostoma fasciculatum David Charlton 1989-4-30 3000 Los Angeles San Gabriel Mtns., George's Gap, Angeles Crest Highway c. 2.5 mi. (airline) north of the southern boundary of the Angeles National Forest, c. 1.25 mi. west of Lower Switzer Campground 1311 Comment
  UCR256249  Adenostoma fasciculatum R. G. Swinney 2010-3-22 12081 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  UCR276945  Adenostoma fasciculatum R. G. Swinney 2010-5-21 12866 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  RSA624983  Adenostoma fasciculatum var. fasciculatum Louis C. Wheeler 1963-6-25 8262 Los Angeles San Gabriel Mountains: Pacoima Canyon (Ore Hill Prospect) 1/4 mile east of Dorothy Canyon. 915 Comment
  RSA737152  Adiantum capillus-veneris Scott D. White, Chris Huntley 2008-9-30 12545 Los Angeles San Gabriel River- West fork between Bear Creek and Cogswell Dam. 610 Comment
  UCR276961  Adiantum capillus-veneris R. G. Swinney 2010-6-8 13234 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, along Waterfall Trail in Los Pinetos Cyn., 0.4 to 0.6 miles south of Placerita Cyn. at Walker Campground, from waterfall to 0.2 miles downstream 671 Comment
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Jun 5 2017
  CAS-BOT-BC65635  Adiantum jordanii L. R. Abrams; I. L. Wiggins 1931-7-6 368 Los Angeles Vicinity of Mosquito Harbor Comment
  LA94102  Adiantum jordanii Lawrence L. Kiefer; 1966-4-9 1839 Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon, ca 3 mi N of Sunset Blvd in ravine W of road. 182 Comment
  SD92999  Adiantum jordanii W. Bertsch 1954-4-19 482 Los Angeles Little Dalton Canyon 365 Comment
  UCR124465  Adiantum jordanii I. W. Clokey, B. C. Templeton 1929-1 4538 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  RSA716923  Agave americana LeRoy Gross, Steve Boyd, Naomi Fraga, Valerie Soza 2006-3-17 2590 Los Angeles South side of the range. Park on Via Montana at end of Olive Ave, in the city of Burbank. Follow an old road that is overgrown so that a faint trail is all thats left. Sunset Canyon on the west and Story Canyon to the east. 366 Comment
  RSA606042  Ageratina adenophora Louis C. Wheeler 1967-9-18 s.n. Los Angeles Los Angeles River at Los Feliz Blvd. Comment
  UCR136836  Ageratina adenophora John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  CAS-BOT-BC29342  Ageratina adenophora P. H. Raven; Henry J. Thompson 1960-4-13 15081 Los Angeles Santa Monica Mountains, Griffiths Park. 228 Comment
  POM11661  Agoseris retrorsa P. A. Munz 1921-6-17 4608 Los Angeles Swartout Valley, on high ridge. 2287 Comment
  SD254527  Agoseris retrorsa R. G. Swinney 2011-6-7 15057 Los Angeles San Gabriel Mountains: Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy 2 junction at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek (Chilao Flat 7.5'Q) 1573 Comment
  SD255635  Agoseris retrorsa R. G. Swinney 2011-6-22 15262 Los Angeles San Gabriel Mountains: Devils Peak, SE of Doe Spring on ridge SE of Mt. Mooney, west of Devils Canyon, 0.4 mile east of Angeles Crest Highway. 1780 Comment
  CATA53  Agrostis USC Wrigley Interns: Miller Zou, Daniel Kasang, Alexandria Cheung, Sabrina Lawrence-Gomez, Sarah Ratay 2011-7-8 31 Los Angeles Santa Catalina Island: Deer Valley Trail 62 Comment
  HSC101378  Agrostis exarata R. G. Swinney 2008-8-13 9378 Los Angeles San Gabriel Mtns.: Icy Springs, tributary of Big Rock Creek 1756 Comment
  RSA726050  Agrostis exarata R. G. Swinney 1997-6-19 5626 Los Angeles San Gabriel Mtns.: Jackson Lake, west of Wrightwood. 1872 Comment
  RSA748326  Agrostis exarata R. G. Swinney 2005-8-9 8411 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  RSA279022  Agrostis stolonifera R. F. Thorne, C. W. Tilforth, S. Nilsson 1972-7-20 42179 Los Angeles SAN GABRIEL MTS., ANGELES NATIONAL FOREST: Big Meadow, Big Pines 2088 Comment
  LA201815  Alcea rosea Arthur C. Gibson; 2003-6-24 4951 Los Angeles Comment
  RSA367069  Allium burlewii L. E. Hoffman 1932-2-3 s.n. Los Angeles Hermon Hills. Comment
  RSA606186  Allium haematochiton Carl Epling 1931-4-25 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon. Comment
  RSA229028  Allium lacunosum var. davisiae Robert F. Thorne, C. W. Tilforth 1971-6-30 40777 Los Angeles 1.6 mi. below Alder Saddle 1584 Comment
  UCR84561  Allium lacunosum var. lacunosum T. S. Ross, Steve Boyd 1994-5-25 7922 Los Angeles Liebre Mtns., Necktie Basin: Hanging basin c. 470-830 m west of Warm Springs Mtn. summit, c. 600-800 m WSW of summit 1076 Comment
  RSA584444  Allium monticola R. G. Swinney 1992-7-10 1853 Los Angeles Boundary between Los Angeles and San Bernardino counties. San Gabriel Mountains, East Baldy Peak. All plants collected within 50 yards of Peak 3049 Comment
  UC1178596  Allium monticola Peter Kamb 1947-6-9 587 Los Angeles Little Rock Creek San Gabriel Mountains, Little Rock Creek 1889 Comment
  CATA246  Allium praecox Mark L. Hoefs, A. Douglas Propst 1973-5-4 245 Los Angeles Santa Catalina Island: By road above Little Fisherman's Cove 167 Comment
  RSA367118  Allium praecox C. B. Liter, J. A. Powell 1928-4-2 s.n. Los Angeles Santa Catalina Island. Back of Avalon. Comment
  RSA410064  Allophyllum divaricatum Geo L. Moxley 1919-5-31 337 Los Angeles Santa Anita Canyon. Comment
  UCR126717  Allophyllum divaricatum A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27146 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  UCR273592  Allophyllum glutinosum R. G. Swinney 2011-6-22 15235 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 1790 Comment
  CAS-BOT-BC170977  Alnus rhombifolia Fordyce Grinnell 1903-12-22 29 Los Angeles Arroyo Seco Canon [canyon], near Pasadena Comment
  RSA651201  Alnus rhombifolia Longley 1948-2-13 s.n. Los Angeles San Dimas Canyon, 2 mi. N. of San Dimas. 274 Comment
  UCR210492  Amaranthus albus R. G. Swinney 2008-11-30 9864 Los Angeles San Gabriel Mtns., Azusa, San Gabriel River Channel, 1.2 mi. north of Foothill Blvd. at mouth of Fish Canyon 204 Comment
  LA31572  Amaranthus albus Henry J. Thompson; 1958-10-23 1825 Los Angeles Santa Monica Mountains, Point Dume, Along road 30 Comment
  POM13686A  Amaranthus blitoides P. A. Munz 1922-10-15 6556 Los Angeles Claremont. 366 Comment
  UCR205939  Amaranthus blitum A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37066 Los Angeles San Gabriel Valley, Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery 63 Comment
  UCR17847  Amaranthus deflexus O. F. Clarke 1972-10-4 s.n. Los Angeles San Gabriel Valley, Pomona 275 Comment
  SDSU6855  Amblyopappus pusillus R. M. Beauchamp 1967-3-19 337 Los Angeles Behind West Cove. Comment
  RSA0080649  Ambrosia acanthicarpa R. G. Swinney 2010-5-29 13009 Los Angeles May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar. 939 Comment
  RSA760606  Ambrosia acanthicarpa R. G. Swinney 2008-12-2 9927 Los Angeles Azusa, mouth of San Gabriel Canyon 0.8 mi. north of Foothill Blvd. 195 Comment
  UCR108387  Ambrosia acanthicarpa L. C. Wheeler 1961-6-13 7878 Los Angeles San Gabriel Mtns., Pacoima Canyon near Dutch Louie Camp 716 Comment
  RSA416893  Ambrosia acanthicarpa F. R. Fosberg 1931-11-7 7206 Los Angeles Small creek near Castaic, Santa Clara Valley. 300 Comment
  CAS-BOT-BC45014  Ambrosia psilostachya Le Roy Abrams 1902-8-18 2957 Los Angeles Ballona Creek, near Mesmer Comment
  CAS-BOT-BC55595  Ambrosia psilostachya Louis C. Wheeler 1966-10-1 8929 Los Angeles San Gabriel Mountains: Big Tujunga at Colby Ranch Road 960 Comment
  UCR24361  Ambrosia psilostachya John C. Roos 1942-9-28 1716 Los Angeles Beverly Blvd., Los Angeles 122 Comment
  RSA0107833  Ammannia coccinea Steven A. Junak 2000-6-29 SCa- 1349 Los Angeles Santa Catalina Island. N end of Haypress Reservoir. 399 Comment
  RSA582645  Amorpha californica Katherine Kneen 1933-5-14 s.n. Los Angeles Topanga Canyon. Comment
  RSA702436  Amorpha californica Scott D. White 2004-7-28 10656 Los Angeles San Gabriel Mountains: Clear Creek area. In and around The Pines picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  CAS-BOT-BC180646  Amorpha californica var. californica R. J. Dobbs 1927-6-22 s.n. Los Angeles Near Waterman, San Gabriel Mts. 975 Comment
  UCR124599  Amsinckia intermedia B. C. Templeton, I. W. Clokey 1930-4-8 1020 Los Angeles San Gabriel Mtns., San Francisquito Canyon 549 Comment
  UCR259271  Amsinckia intermedia R. G. Swinney 2010-3-14 11896 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
  LA40188  Amsinckia intermedia W. O. Griesel; 1936-2-27 sn Los Angeles Faculty Hill U.C.L.A. Campus Comment
  RSA0079995  Amsinckia intermedia H. de Forest 1929-3-21 s.n. Los Angeles Palos Verdes Hills. Comment
  RSA583064  Anagallis arvensis Tim S. Ross 1993-4-22 6901 Los Angeles Santa Catalina Island. SW part of the island in the vicinity of Cactus Peak (1560 ft.); 750m due N of Cactus Peak summit. Northerly slope draining to middle Bullrush Canyon. 320 Comment
  LA35601  Anagallis arvensis A. K. Khudairi; 1951-4-21 Los Angeles Westwood, UCLA campus. Faculty Hill Comment
  POM12334  Anagallis arvensis F. L. Robinson 1921-3-16 14 Los Angeles Claremont. Comment
  IRVC29539  Ancistrocarphus filagineus A. C. Sanders 2003-4-29 26169 Los Angeles Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. Western San Gabriel Mtns. 396 Comment
  UCR126884  Ancistrocarphus filagineus A. C. Sanders 2003-4-29 26169 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 457 Comment
  UCR185585  Androsace elongata subsp. acuta A. C. Sanders 2007-4-25 33555 Los Angeles Tehachapi Mtns., Oso Canyon, 0.5 mi. SE of Kern Co. line, on Oso Canyon Rd. 1159 Comment
  UC1971399  Anemopsis californica Louis C. Wheeler 1946-8-27 6258 Los Angeles SAN GABRIEL MOUNTAINS: Sandrock Creek at Pear Blossom Highway, near confluence of Sandrock Creek and Big Rock Creek; 1/4 mile southeast of Big Rock Patrol Station. Comment
  UC566704  Anisocoma acaulis Herbert L. Mason 1926-4-27 3034 Los Angeles Little Rock Creek; Mohave Desert Comment
  JEPS83432  Antirrhinum coulterianum David M. Thompson 1983-5-14 309 Los Angeles Sand Canyon Road hill directly across Sand Canyon Road from Live Oak Picnic Area. Mint Canyon Quad. (7.5', 1960) 640 Comment
  UCR230272  Antirrhinum coulterianum Dan S. Cooper 2011-4-26 411- 7 Los Angeles Los Angeles Basin/San Gabriel Mtns. Foothills, Sunland, Big Tujunga Wash, between 210 Fwy and Foothill Blvd. 358 Comment
  RSA14204  Antirrhinum coulterianum Carl B. Wolf 1926-03 s.n. Los Angeles Occidental College Campus, Eagle Rock Comment
  CATA3324  Antirrhinum kelloggii Amy Catalano 2017-4-3 041 Los Angeles Santa Catalina Island: About 1 mile down canyon from eastern junction between Middle Ranch & Skull Ridge roads, next to bare open area on ridge 150 meters northwest of the road 226 Comment
  JEPS23847  Antirrhinum kelloggii Henry J. Thompson 1959-4-12 1918 Los Angeles 2 mi w Las Virgenes Road on Mulholland Highway; Santa Monica Mountains 304 Comment
Read comments
Aug 26 2009
  RSA425828  Antirrhinum kelloggii Thomas Moore 1947-5-3 31 Los Angeles Topanga Canyon. Comment
  POM354869  Antirrhinum multiflorum L. E. Hoffman 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles National Forest. Comment
  RSA617458  Antirrhinum multiflorum Scott D. White 1998-6-4 6648 Los Angeles Castaic Lake area: Grasshopper Canyon watershed, between I-5 Freeway / Old Ridge Route and lake. Proposed North Lake Planned Community., [range:] 34 31-33'N 118 37-39'W. 427 Comment
  SFV22039  Antirrhinum multiflorum V. Soza, I. E. Anderson, L. Gross 2000-6-6 995 Los Angeles Verdugo Mountains Southwest side of Verdugo Mountains. Along Verdugo Mountainway east of junction with Hostetter Mountainway, above Wildwood canyon. West-northwest-facing slope of ridgetop above fire road. 915 Comment
  UCR213779  Antirrhinum multiflorum Scott D. White, Justin M. Wood 2009-5-6 12651 Los Angeles San Gabriel Mountains, San Gabriel River - West Fork, dirt road between Cogswell Dam and fill slope on the south side of Cogswell Reservoir 808 Comment
  LA204704  Aphanisma blitoides Jonathan Sauer; D. Johnson 1969-5-10 4501 Los Angeles San Clemente Island, N of Eel Point, central west coast Comment
  RSA588904  Arabis glabra var. glabra Timothy S. Ross, S. D. Boyd, Peter W. Fritsch 1990-6-8 2942 Los Angeles Upper Big Tujunga Canyon: margin of Big Tujunga Creek and toes of the slopes immediately west (ca 1.6 air miles ENE of Barely Flats). 1213 Comment
  SEINET11992702  Arbutus unedo Unknown 1945-1 s.n. Los Angeles Altadena Comment
  RSA177895  Arctostaphylos catalinae R. F. Thorne, Percy C. Everett 1965-5-12 34599 Los Angeles Bullrush Canyon, Santa Catalina Island. 244 Comment
  SD69009  Arctostaphylos catalinae Robert F. Thorne, D. Propst 1968-5-28 37669 Los Angeles Santa Catalina Island; north-facing slope of Bulrush Canyon. 409 Comment
  RSA626746  Arctostaphylos glandulosa Jon E. Keeley 1978-2-25 7041 Los Angeles Shortcut Summit, 0.5 km east of Shortcut Picnic Ground. 1560 Comment
  RSA631302  Arctostaphylos glandulosa Jon E. Keeley, Melanie Baer-Keeley 1992-10-11 21991 Los Angeles Liebre Mountains, 3.5 km east of Bear Campground. 1675 Comment
  UCD162815  Arctostaphylos glandulosa D. O. Burge 2015-3-17 1688 Los Angeles Newhall Pass. 550 Comment
  LA210235  Arctostaphylos glandulosa subsp. mollis Alice Goen; 1931-3-7 Los Angeles Santa Monica Mountains, Mulholland Drive Comment
  POM3279  Arctostaphylos glandulosa subsp. mollis I. M. Johnston 1917-7-1 1748 Los Angeles Evey Canyon. 1372 Comment
  UC1137486  Arctostaphylos glandulosa subsp. zacaensis P. L. Johannsen 1934-1-30 257 Los Angeles head of canyon on Mulholland Drive Calabasas Quadrangle, Santa Ynez Canyon Comment
  LA33463  Arctostaphylos glauca Henry J. Thompson; 1959-2-23 1849 Los Angeles 594 Comment
  POM367305  Arctostaphylos glauca B. C. Templeton 1932-6-1 4871 Los Angeles Blue Ridge, Big Pines park 2330 Comment
  RSA127925  Arctostaphylos glauca P. H. Raven, H. J. Thompson 1959-2-25 13813 Los Angeles Saddle Peak. 808 Comment
  RSA609268  Arctostaphylos glauca L. C. Wheeler 1968-5-25 s.n. Los Angeles San Gabriel Mountains: Mesa on west side of Bear Creek off West Fork San Gabriel River. 610 Comment
  RSA631410  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15701 Los Angeles Angeles Forest Highway, 8 km north of Big Tujunga Canyon turnoff. 1300 Comment
  RSA631417  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15821 Los Angeles San Gabriel Canyon, Highway 39, 11-12 km north of ORV area. 1100 Comment
  RSA631418  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15709 Los Angeles Angeles Forest Highway, 11 km north of Big Tujunga Canyon turnoff. 1425 Comment
  RSA631460  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16016 Los Angeles Ridge Route, 23 km south of Liebre Gulch turnoff. 800 Comment
  RSA631467  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16002 Los Angeles Whitaker Peak, west of the Templin Highway. 1250 Comment
  RSA631562  Arctostaphylos glauca Jon E. Keeley, Melanie Baer-Keeley 1992-10-11 22005 Los Angeles Road 7N23, 3 km south of N2, north base of Liebre Mountains. 1425 Comment
  RSA631630  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15829 Los Angeles San Gabriel Canyon, Highway 39, 11-12 km north of ORV area. 1100 Comment
  RSA631637  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15843 Los Angeles San Gabriel Canyon, Highway 39, 11-12 km north of ORV area. 1100 Comment
  RSA631638  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-6-18 15634 Los Angeles Aliso Canyon Road, 4 km northwest of Angeles Forest Highway. 1050 Comment
  RSA634359  Arctostaphylos parryana subsp. parryana Jon E. Keeley, Allen Massihi 1992-8-21 20625 Los Angeles Angeles Crest Highway, 1.7 km north of Sulphur Springs Road, San Gabriel Mountains. 1890 Comment
  RSA634715  Arctostaphylos parryana subsp. tumescens John Crandell, Jon E. Keeley 1992-4-5 15047 Los Angeles Mill Creek Summit, Angeles Forest Highway. 1480 Comment
  RSA634741  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20599 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.7 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1680 Comment
  RSA634743  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20613 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.3 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1705 Comment
  RSA634765  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20607 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.7 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1680 Comment
  RSA634812  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20477 Los Angeles Road to Sulphur Springs Campground, 5.7 km north of Angeles Crest Hwy, North of Chilao Campground. San Gabriel Mtns. 1700 Comment
  RSA634854  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20585 Los Angeles Road to Suphur [Sulphur] Springs Cpgrd., across from Singing Pines Camp, 1.7 km N of Angeles Crest Hwy, N of Chilao. San Gabriel Mtns. 1640 Comment
  RSA635053  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20359 Los Angeles Road to Mt. Gleason, 9 km west of Mill Creek Summit, San Gabriel Mtns. 1730 Comment
  SEINET2028703 Image available Arctostaphylos pechoensis var. viridissima C. B. Wolf 1932-5-13 3626 Los Angeles Three and one-half miles from Avalon 1300 Comment
  UCR157998  Arenaria macradenia var. arcuifolia Orlando Mistretta 1993-6-28 909 Los Angeles San Gabriel Mtns, Angeles National Forest, [Table Mountain,] on summit ridge running west 2287 Comment
  UCR99479  Arenaria pusilla Steve Boyd, Lauren Raz 1997-3-14 9168 Los Angeles Liebre Mtns., Lower N flank of Bald Mtn, along Pacific Crest Trail on top of ridgeline east of Horse Camp Canyon 1451 Comment
  CAS-BOT-BC102141  Arida carnosa Ralph Hoffmann 1931-9-28 s.n. Los Angeles Lancaster Comment
  RSA385030  Aristida purpurea var. purpurea Albert J. Perkins 1920-2-11 s.n. Los Angeles Glendora. Little Dalton Trail. Comment
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Jun 12 2014
  UC472243  Artemisia californica R. L. Pendleton 1909-7-2 1374 Los Angeles road e of Avalon; Santa Catalina Island Comment
  CLARK-A1528-1568  Artemisia douglasiana John C. Roos 1942-9-12 1733 Los Angeles Santa Monica Comment
  SD112009  Artemisia douglasiana Betsy Carpenter, Linda Allen 1975-3-21 Los Angeles Santa Catalina Island, Cottonwood Creek. Comment
  UCR270217  Artemisia dracunculus R. G. Swinney 2011-10-10 15739 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
  RSA774170  Artemisia ludoviciana R. G. Swinney 2009-7-22 11355 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  UC284246  Artemisia ludoviciana subsp. incompta P. A. Munz 1923-9-1 7711 Los Angeles narrow n facing canyon at old sawmill; San Gabriel Mts., Swartout Valley 2042 Comment
  JEPS36952  Artemisia ludoviciana subsp. incompta Joseph Andorfer Ewan 1936-8-9 10020 Los Angeles s end Blue Ridge (Guffy's Spring); San Gabriel Mountains 2560 Comment
  POM705  Arthrocnemum subterminale L. R. Abrams 1902-6-19 2565 Los Angeles Ballona marshes, near Mesmer 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
  RSA599736  Arundo donax L. C. Wheeler 1967-11-24 s.n. Los Angeles San Gabriel Mountains: Millard Canyon at Canyon Crest Road. 412 Comment
  RSA0104765  Asclepias californica A. C. Sanders, Mark Elvin 2003-4-16 26046 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park. 366 Comment
  UC534846  Asclepias fascicularis Victor Duran 1933-8-11 3547 Los Angeles South Fork Big Rock Creek San Gabriel Mts. 1524 Comment
  UCR256871  Asclepias fascicularis R. G. Swinney 2010-6-8 13215 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail 573 Comment
  JEPS5071  Asclepias vestita W. L. Jepson 1939-4-21 19244 Los Angeles Neenach School Mohave Desert, Antelope Valley 914 Comment
  SEINET10533626  Asparagus asparagoides David B. Dunn 1948-2-14 Dunn 3655 Los Angeles Home; 316 n. Ave. 50; Los angeles 42. Cultivated plants 244 Comment
  UCR197216  Asphodelus fistulosus Valerie Soza, Laura A. Moore 2000-5-10 825 Los Angeles Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park 579 Comment
  RSA686318  Aspidotis californica H. L. Bauer 1933-2-11 s.n. Los Angeles Near Saddle Peak Sana Monica Mts. 457 Comment
  SD82455  Aspidotis californica F. A. MacFadden 1931-3-29 2607 Los Angeles Tuna Canyon, Verdugo Hills Comment
  PASA1801  Aster canescens Frank W. Peirson 1923-8-30 Los Angeles North of Big Pines Auto Camp 1310 Comment
  PASA1806  Aster tortifolius Margaret Stason 1930-5-18 Los Angeles E. Adelanto Comment
  POM72485  Astragalus bicristatus I. M. Johnston 1925-8-1 6607 Los Angeles Upper Barrett Canyon, W end Ontario Peak on shady N slope near Cascade-Barrett Canyon divide 2042 Comment
  RSA729301  Astragalus bicristatus R. G. Swinney 1998-7-2 6208 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  UCR184541  Astragalus didymocarpus A. C. Sanders, T. B. Salvato 2007-4-24 33507 Los Angeles Tehachapi Mountains, hills above Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant 1082 Comment
  SBBG68200  Astragalus douglasii R. Hoffmann 1925-5-17 Los Angeles Neenach Comment
  RSA799807  Astragalus douglasii var. douglasii Pam De Vries 2013-4-3 7823 Los Angeles Tehachapi Muntains/Western Transverse Range (Gorman Hills). About 0.5 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Rd. 1032 Comment
  RSA595872  Astragalus gambelianus T. S. Ross, Victor W. Steinmann 1995-5-8 8538 Los Angeles Bouquet Canyon: along Bouquet Canyon Road near Bouquet Campground No. 3. 735 Comment
  RSA0115697  Astragalus lentiginosus Andrew C. Sanders 2006-5-16 32299 Los Angeles Transverse Range; Liebre Mtns. Region: 0.5 mi west of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon. 960 Comment
  RSA680191  Astragalus lentiginosus var. antonius Valerie L. Soza, Naomi Fraga 2003-6-13 1666 Los Angeles Blue Ridge just west of Guffy Camp, on ridgetop and slopes above FS Road 3N06. 2530 Comment
  RSA151266  Astragalus miguelensis P. H. Raven 1962-4-11 17298 Los Angeles Behind Northwest Harbor; San Clemente Island 6 Comment
  SBBG98673  Astragalus miguelensis T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5083 Los Angeles sand dunes on coastal terrace at West Cove, SW of the new landing field 6 Comment
  SBBG68277  Astragalus pachypus R. Hoffmann 1927-6-13 Los Angeles near Chandler's Comment
  RSA90754  Astragalus pycnostachyus var. lanosissimus F. W. Peirson 1951-7-19 591 Los Angeles Playa del Rey, coast of Los Angeles Co. Comment
  CATA1108  Astragalus trichopodus var. lonchus Mark L. Hoefs 1995-5-23 2072 Los Angeles Santa Catalina Island: Middle Canyon near junction of Middle Canyon Road and road to Camp Cactus 118 Comment
  SBBG78440  Astragalus trichopodus var. lonchus F. R. Fosberg 1932-5-7 8139 Los Angeles below Coach Rd above Hamilton Cyn 220 Comment
  SFV6185  Astragalus trichopodus var. lonchus R. M. Muran 1974-3-22 40 Los Angeles Santa Monica Mountains Mandeville Canyon area. 427 Comment
  UCR18494  Atriplex argentea subsp. expansa G. Heintz 1973-1 s.n. Los Angeles along railroad tracks at 17th and Colorado, Santa Monica Comment
  CAS-BOT-BC170015  Atriplex confertifolia Ernest C. Twisselmann 1970-9-8 17490 Los Angeles Antelope Valley, Highway 14 at Avenue B - Mojave Desert 731 Comment
  RSA452424  Atriplex confertifolia Anstruther Davidson s.n. Los Angeles Acton. Comment
  CAS-BOT-BC170117  Atriplex lentiformis Le Roy Abrams 1901-8-1 2189 Los Angeles Santa Monica Comment
  CHSC100409  Atriplex lentiformis subsp. lentiformis John C. Dittes; Josephine Guardino 2008-2-24 1510 Los Angeles South Coast; Coastal Plains and Valleys; undesignated section of El Encino Land Grant; San Fernando Valley; Sepulveda Dam Flood Control Basin; ca. 1.9 air-miles southwest of Van Nuys Civic Center, ca. 1.0 air-mile south of Victory Blvd, ca. 0.6 air-mile west of the San Diego Freeway (405) where it crosses Burbank Blvd; on north bank of the Los Angeles River. 207 Comment
  POM279019  Atriplex nummularia Grant D. Brown 1949-11-24 446 Los Angeles Playa del Rey. 15 Comment
  CAS-BOT-BC176354  Atriplex parryi Roxana S. Ferris 1918-6-12 913 Los Angeles In streets, Lancaster Comment
  SBBG72584  Atriplex rosea R. Hoffmann 1927-8-31 Los Angeles 2 mi W of Acton Comment
  SFV6956  Atriplex rosea T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-8-31 619 Los Angeles Santa Monica Mountains On roadcut along Old Topanga Canyon Road, about 1 mile north of Topanga Park. 366 Comment
  UCD97669  Atriplex rosea Daryl Koutnik 1978-9-3 s.n. Los Angeles northwest of the junction of Saticoy and Winnetka in the San Fernando Valley. 243 Comment
  RSA478432  Atriplex serenana Anstruther Davidson 1917-9-1 3278 Los Angeles Alvarado St. Comment
  LA31605  Atriplex serenana var. serenana Peter H. Raven; Henry J. Thompson, Henry J. Thompson 1959-10-14 14619 Los Angeles Santa Monica Mountains, Malibu Junction 266 Comment
  RSA692081  Atriplex serenana var. serenana A. C. Sanders, Mark Elvin 2002-8-28 25598 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
  RSA760676  Atriplex suberecta R. G. Swinney 2008-12-6 9978 Los Angeles Azusa, mouth of San Gabriel Canyon west of Roberts Canyon on north side of San Gabriel River channel 229 Comment
  RSA385377  Avena barbata F. R. Fosberg 1931-3-18 S- 4298 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island. 10 Comment
  UCR259619  Avena barbata R. G. Swinney 2010-5-25 12955 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  RSA385412  Avena sativa Robert M. Perkins 1936-4-4 198 Los Angeles Arcadia. Comment
  RSA0034488  Azolla filiculoides Philip R. Brown 1970-9-24 s.n. Los Angeles Canon de Lana, L.A. Pierce College, Woodlamd Hills. 274 Comment
  SBBG12875  Baccharis glutinosa E. R. Blakley 1961-9-24 4775 Los Angeles cyn upstream from Ben Weston Beach 15 Comment
  UCR65259  Baccharis glutinosa F. R. Fosberg 1931-7-10 S- 5363 Los Angeles Channel Islands, Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island 180 Comment
  UCR81449  Baccharis glutinosa F. R. Fosberg 1930-10-18 S- 4110 Los Angeles Coastal Plains and Basins; Los Angeles Basin, [Dominguez] Slough, Gardena 10 Comment
  SEINET11261321  Baccharis glutinosa K. Dobry 1976-4-24 41 Los Angeles Canoga Park, Bell Creek.; 0 290 Comment
  UCSC000768  Baccharis pilularis Greg Gilbert 2004-3-26 s.n. Los Angeles 6.5 mi. E.S.E. of Whitaker Pk. Whitaker Pk. - Tejon Comment
  CAS-BOT-BC106758  Baccharis salicifolia John H. Thomas 1957-2-14 6488 Los Angeles Chaparral covered hills north of Egle Rock, about 3-4 miles east of Pasadena. 304 Comment
  CAS-BOT-BC106759  Baccharis salicifolia Elmer I. Applegate 1931-11-2 6828 Los Angeles San Fernando Valley Comment
  CAS-BOT-BC98166  Baccharis salicifolia Carl Epling; Lincoln Ellison 1929-4-27 s.n. Los Angeles Santa Monica Mountains - Topanga Canyon Comment
  CAS-BOT-BC98175  Baccharis salicifolia Lewis S. Rose 1966-12-18 66113 Los Angeles Franklin Canyon, Santa Monica Mountains 335 Comment
  LA203017  Baccharis salicifolia W. R. Ernst; May 1948 sn Los Angeles San Gabriel Mountains, Big Rock Creek Comment
  RSA777919  Baccharis salicifolia R. G. Swinney 2009-5-6 10670 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  RSA93202  Baccharis salicifolia F. W. Peirson 1919-02 353 Los Angeles Rubio Canyon, S side of San Gabriel Mts. 549 Comment
  UC472188  Baccharis salicifolia subsp. salicifolia C. F. Millspaugh 1920-1-2 4507 Los Angeles Avalon Santa Catalina Island Comment
  UC57569  Baccharis salicifolia subsp. salicifolia J. H. Barber 1897-1-17 20 Los Angeles Sullivan's Canon Comment
  UC1118917  Baccharis salicifolia subsp. salicifolia G. T. Nordstrom 1935-1-8 308 Los Angeles 4 1/2 mi e Bear Mtn.; Tejon Quad. 944 Comment
  SEINET11861852  Baileya pauciradiata J. F. Bright, Wyman, C. 1931-4-12 5301 Los Angeles Antelope Valley Comment
  RSA0073273  Barbarea orthoceras Bonnie C. Templeton 1932-5-31 4848 Los Angeles Big Pines Camp. Moist meadows below Ameteur Ski Jump. Comment
  RSA423222  Bassia hyssopifolia H. L. Bauer 1928-10-15 s.n. Los Angeles Long Beach. Comment
  RSA423235  Beta vulgaris Wm. Martin, Robert Gustafson 1971-7-14 s.n. Los Angeles Corner of Jefferson and Rodeo Blvd., Los Angeles. Comment
  UCR218022  Bidens frondosa A. C. Sanders, Dan S. Cooper 2010-8-5 38540 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  CHSC109273  Bidens pilosa Scott D. White 2003-10-14 9829 Los Angeles San Gabriel Mountains: Foothills above Sierra Madre. Los Angeles Dep. of Public Works 'Auburn' debris basin, above the north terminus of Auburn Ave. 396 Comment
  CAS-BOT-BC482133  Bloomeria crocea var. montana Steve Boyd; Timothy S. Ross; Laura Moore; Valerie Soza 1997-7-8 10015 Los Angeles Liebre Mountains region: Upper northern flank of Liebre Mountain at head of Tentrock Canyon along dirt track northeast of Forest Service wildlife drinker site 1584 Comment
  SEINET3884831  Bloomeria crocea var. montana Timothy S. Ross, Steve Boyd 1994-6-23 8061 Los Angeles Flora of the Liebre Mountains. Sawmill Mountain: N slope ca 330 m SE to 525 m ENE of Sawmill Campground, descending NE along a ridge at the head of west fork Devils Gulch. Burnt Peak 7.5' USGS Quadrangle. Elevation ca 4800-5240 feet.; 0 1494 Comment
  CAS-BOT-BC16081  Boechera californica Timothy S. Ross 1992-4-21 6231 Los Angeles San Gabriel Mountains. West and southwest of Horse Canyon Saddle. 1072 Comment
  RSA0128744  Boechera californica Donald R. Bissing 1973-3-29 23 Los Angeles Evey Canyon, 0.1 mile from canyon mouth 713 Comment
  UCR271963  Boechera sparsiflora R. G. Swinney 2011-6-20 15219 Los Angeles San Gabriel Mountains, southeast margin of Crystal Lake, 10-30 meters from water line 1692 Comment
  CATA1204  Bolboschoenus maritimus subsp. paludosus Mark L. Hoefs, Jay B. Walker, Carol Annable 1995-6-7 2256 Los Angeles Santa Catalina Island: Little Harbor 3 Comment
  UCR96650  Bolboschoenus maritimus subsp. paludosus R. G. Swinney 1994-8-1 3143 Los Angeles San Gabriel Mtns, Glendora, Big Dalton Canyon Debris Basin, on north side of water margin, wet ground 366 Comment
  RSA729545  Boschniakia strobilacea R. G. Swinney 1998-6-16 6993 Los Angeles San Gabriel Mtns; summit of Lookout (Antonio) Mountain. 2070 Comment
  RSA604518  Bothriochloa barbinodis Mark Hoefs, Steven A. Junak, Janet Takara, M. Gay 1995-11-9 2540 Los Angeles Santa Catalina Island. Road to Salta Verde. 390 Comment
  SBBG116038  Bowlesia incana R. Burgess, P. Munro 1998-1-25 2637 Los Angeles Cheesebro Cyn Trail, un-named cyn N of Canyon View Trail 304 Comment
  RSA226233  Boykinia rotundifolia Gary D. Cromwell, David W. Wheat 1971-7-1 700 Los Angeles Mystic Canyon 412 Comment
  RSA729876  Boykinia rotundifolia R. G. Swinney 1998-7-28 6520 Los Angeles San Gabriel Mtns.: south fork of Cow Canyon at and above Fallen Leaf spring, to 0.2 mi. south of Glendora Ridge rd. 1366 Comment
  UCR139148  Boykinia rotundifolia L. C. Wheeler 1968-7-3 s.n. Los Angeles San Gabriel Mtns, [Pigeon Ridge] west of heliport 1585 Comment
  UCR194256  Boykinia rotundifolia R. G. Swinney 1998-8-5 6662 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch 1235 Comment
  RSA66083  Brassica rapa F. W. Peirson 1918-03 s.n. Los Angeles At Altadena. Comment
  CAS-BOT-BC36733  Brassica rapa Peter H. Raven; Henry J. Thompson 1959-10-31 14717 Los Angeles Santa Monica Mountains. Wells Avenue near Tampa Avenue. 304 Comment
  CAS-BOT-BC100423  Brickellia californica Wesley O. Griesel 1961-9-23 s.n. Los Angeles [Switzers] Switzer Camp, San [Gavriel] Gabriel Mts. 762 Comment
  IRVC28739  Brickellia nevinii A. C. Sanders, M. S. Enright, Mark Elvin, Cathleen Weigand 2002-8-8 25578 Los Angeles Newhall Ranch, ridgetops on the south side of Potrero Canyon, above the dirt road to bench mark 1804, N of East Fork Salt Canyon NE end of Santa Susana Mtns. 488 Comment
  RSA3606  Brodiaea jolonensis Carl B. Wolf 1932-5-13 3623 Los Angeles Santa Catalina Island. 3.5 mi (by road) from Avalon on way to Isthmus. 365 Comment
  RSA716619  Bromus arenarius Andrea Edwards, Pam De Vries 2006-5-15 109 Los Angeles triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  CAS-BOT-BC149340  Bromus arizonicus G. B. Grant 1901-5-14 s.n. Los Angeles Pasadena. Comment
  RSA385300  Bromus arizonicus Anstruther Davidson 1917-04 3178 Los Angeles E. Los Angeles. Comment
  RSA385307  Bromus carinatus Anonymous 1914-6-29 s.n. Los Angeles Inglewood. Comment
  RSA638215  Bromus carinatus L. C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island, Fishermans Cove: USC Marine lab. 152 Comment
  SEINET7106150  Bromus carinatus Scott D. White 1998-6-4 6650 Los Angeles Castaic Lake area, Grasshopper Cyn watershed, between I-5 Fwy/Old Ridge Route and the lake. Proposed 'North Lake Planned Community.'; 0 427 Comment
  UCD58001  Bromus carinatus F. R. Fosberg 1931-4-3 S 4484 Los Angeles Santa Catalina Island. Pebble Beach. Comment
  SEINET10933819  Bromus carinatus Louis C. Wheeler 1936-5-6 Wheeler 4099 Los Angeles Edge of San Gabriel Mts. 1/2 mile E. of Liveoak Canyon, San Gabriel Mts. 419 Comment
  RSA599944  Bromus carinatus var. carinatus L. C. Wheeler 1968-3-17 s.n. Los Angeles West Fork Morgan Canyon at Ferguson Motorway. 412 Comment
  UCD58407  Bromus catharticus Daryl Koutnik 1978-4-28 s.n. Los Angeles 6922 Hesperia Avenue, Reseda. 213 Comment
  LA13815  Bromus diandrus A. M. Johnson; 1932-4-6 3932 Los Angeles corner Wilshire and Selby Comment
  POM11361  Bromus diandrus F. L. Robinson 1921-5-9 49 Los Angeles Claremont. 412 Comment
  POM363390  Bromus diandrus F. R. Fosberg 1931-3-25 S- 4356 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island. 15 Comment
  POM363397  Bromus diandrus Robert D. Clarke 1979-4-12 s.n. Los Angeles Arcadia. LASCA [Los Angeles County and State Arbretum] Comment
  RSA0073607  Bromus diandrus R. G. Swinney 2010-4-23 12331 Los Angeles San Gabriel Mountains: lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA167820  Bromus diandrus R. F. Thorne, Percy C. Everett 1964-2-7 33453 Los Angeles Lower end of Pebbly Beach Canyon, E end of Santa Catalina Island. 76 Comment
  RSA592164  Bromus diandrus L. C. Wheeler 1967-5-7 9288 Los Angeles San Gabriel Mountains. Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon 625 Comment
  UCR184214  Bromus diandrus A. C. Sanders 2007-4-19 33441 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  UCR186929  Bromus diandrus A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32025 Los Angeles Tehachapi Mtns. Foothills, west end of Antelope Valley, north of Hwy 138 near mouth of Tentrock Canyon, c. 1 mile NW of La Liebre Ranch (High Desert Hunt Club) buildings 945 Comment
  CAS-BOT-BC155588  Bromus grandis G. B. Grant 1902-5-10 s.n. Los Angeles Arcadia. Comment
  CAS-BOT-BC155589  Bromus grandis Louis C. Wheeler 1936-6-8 4134 Los Angeles San Gabriel Mountains. Bell Canyon. 701 Comment
  RSA0106845  Bromus hordeaceus R. G. Swinney 2011-5-10 14632 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. 616 Comment
  RSA598894  Bromus hordeaceus Steve Boyd, Timothy S. Ross 1997-3-21 9210 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  UCR272602  Bromus hordeaceus R. G. Swinney 2011-6-7 15066 Los Angeles San Gabriel Mountains, Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy. 2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek 1585 Comment
  SBBG131946  Bromus madritensis S. A. Junak 2000-5-18 SCa 1292 Los Angeles above Goat Harbor, N-facing slope, upslope from Ironwood Grove 304 Comment
  LA210432  Bromus madritensis subsp. rubens Peter H. Raven; Henry J. Thompson 1960-4-13 15073 Los Angeles Santa Monica Mountains, Mt. Hollywood 335 Comment
  LA33360  Bromus madritensis subsp. rubens Peter H. Raven; 1959-5-3 14090 Los Angeles SANTA MONICA MOUNTAINS, Woodrow Wilson Dr, 1.6 mi W of Cahuenga Pass. 304 Comment
  CAS-BOT-BC162077  Bromus pseudolaevipes Steve Boyd; Lauren Raz 1997-5-20 9793 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. 1584 Comment
  RSA258391  Bromus rubens C. W. Tilforth 1972-4-12 471 Los Angeles [Rancho Santa Ana Botanic Garden, Claremont.] Comment
  UCR107774  Bromus rubens Jeanne Gural, Valerie Soza 1997-3-19 32 Los Angeles Bernard Field Station of the Claremong Colleges. NW corner of Mills Ave. and Foothill Blvd. west of main paved road, north of Foothill Blvd. 412 Comment
  SD185081  Bromus sterilis A. C. Sanders 2005-5-11 30157 Los Angeles Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd. 609 Comment
  IRVC26335  Bromus sterilis A. C. Sanders, Andy Thompson 2003-4-15 25993 Los Angeles Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 396 Comment
  SEINET3259576 Image available Bromus tectorum R. G. Swinney 1998-7-10 6374 Los Angeles San Gabriel Mtns.; Prairie Fork, near Cabin Flats Campground. 1591 Comment
  UCR92506  Bromus trinii Sheila Kee 1995-5-15 s.n. Los Angeles Western San Gabriel Mountains, Bee Canyon just above Santa Clara River, east of Canyon Country, between the Antelope Valley Fwy and Soledad Canyon Road, 0.5 mi NE of Lang sideing 540 Comment
  UCR147853  Broussonetia papyrifera L. C. Wheeler 1951-10-13 s.n. Los Angeles Flower and 28th Street 60 Comment
  RSA127932  Buddleja saligna P. H. Raven, Henry J. Thompson 1958-10-11 137961 Los Angeles Saddle Peak, 0.3 miles south of junction of roads at summit., Lat N 34 , 05 ; Long. 118 39 W. 732 Comment
  RSA583014  Caesalpinia spinosa Tim S. Ross 1993-4-23 6934 Los Angeles Santa Catalina Island: SW part of the island in Middle Canyon; riparian strip ca 25 m SE of Eagles Nest Lodge. 146 Comment
  UCR188888  Calandrinia ciliata R. G. Swinney 1990-3-23 1537 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora 366 Comment
  UC557725  Calandrinia ciliata Nell Murbarger March, 1936 106 Los Angeles mesa top and upper slopes of e side of island San Clemente Island Comment
  CATA3246  Calandrinia menziesii Amy Catalano 2017-2-15 003 Los Angeles Santa Catalina Island: Middle Ranch, roadside between driveway to house #104 and house #103 171 Comment
  UCR194070  Calochortus albus R. G. Swinney, Dave Larson 1999-5-29 7216 Los Angeles San Gabriel Mtns., San Dimas Canyon, main fork c. 100 m north of confluence with East Fork 549 Comment
  RSA347520  Calochortus catalinae B. A. Prigge 1986-3-19 6931 Los Angeles Santa Monica Mountains: 0.3 miles west of Mulholland Hwy on Pacific Coast Hwy. 30 Comment
  RSA377305  Calochortus catalinae A. M. Johnson 1934-4-7 4396 Los Angeles Botany Garden, Campus, UCLA Los Angeles Comment
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Oct 3 2014
  UC843640  Calochortus catalinae Marcus E. Jones, A. M. 1882-5-1 3212 Los Angeles Los Angeles Comment
  UCR190530  Calochortus catalinae R. G. Swinney 1990-5-2 1581 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora, at east end of Eagle Ridge, north of new homes 305 Comment
  CAS-BOT-BC132339  Calochortus clavatus Geo. B. Grant 1901-6-7 s.n. Los Angeles Laurel [Canon] Canyon Comment
  UC535381  Calochortus clavatus Ira W. Clokey, B. Templeton May 1929 4552 Los Angeles Mandeville Canyon Santa Monica Mountains 500 Comment
  CAS-BOT-BC132338  Calochortus clavatus Geo. B. Grant 1904-6-25 s.n. Los Angeles San Gabriel [Canon] Canyon Comment
  CAS-BOT-BC493409  Calochortus splendens R. C. Foster 1937-6-6 343 Los Angeles In Chaparral on upper portion of canon sides, Cobal Canon (foothills of San Gabriel Mts.), north of Claremont Comment
  CAS-BOT-BC496763  Calochortus venustus W. Griesel; B. Miller 1963-7-2 s.n. Los Angeles Sawmill Mtn. Campground 1676 Comment
  CAS-BOT-BC224311  Calystegia macrostegia subsp. amplissima M. B. Dunkle 1939-4-6 7291 Los Angeles Mosquito Harbor, San Clemente Island Comment
  CATA452  Calystegia macrostegia subsp. intermedia Sara L. Crockett 1997-3-18 592 Los Angeles Santa Catalina Island: Upper Cape Canyon; ridge S of and overlooking road, 1.0 mile NE along Cape Canyon Road from jct. with Middle Ranch Road 326 Comment
  RSA394910  Calystegia macrostegia subsp. intermedia James B. McNair 1934-5-1 s.n. Los Angeles Verdugo Woodlands, N. Glendale. Comment
  CAS-BOT-BC418630  Calystegia occidentalis subsp. fulcrata R. K. Brummitt; S. M. Namoff 2012-6-7 22036 Los Angeles Angeles National Forest, San Gabriel Mts., N side of Big Pine hwy, 50 m W of junction with Hwy 2 2080 Comment
  RSA597001  Calystegia occidentalis subsp. fulcrata T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3825 Los Angeles Easterly and southeasterly slopes to the SW of Crystal Lake. 1726 Comment
  RSA680193  Calystegia occidentalis subsp. fulcrata Valerie L. Soza, Naomi Fraga 2003-6-13 1668 Los Angeles Blue Ridge just west of Guffy Camp, on ridgetop and slopes above FS Road 3N06. 2530 Comment
  UCR125485  Calystegia peirsonii A. C. Sanders, Mark Elvin 2003-4-14 25967 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
  UCR126760  Calystegia peirsonii A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26128 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
  CAS-BOT-BC215911  Calystegia peirsonii Timothy S. Ross; Steve Boyd 1994-5-24 7851 Los Angeles North slopes draining toward Elizabeth Lake, south slopes toward Green Valley, Northeast summit of Grass Mountain, Liebre Mountains 1389 Comment
  RSA764505  Calystegia peirsonii Orlando Mistretta, Christine Mistretta 2008-5-1 2591 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 44 per TRTP survey, 2008), in the vicinity of Ritter Ridge. 1047 Comment
  LA211074  Calystegia purpurata subsp. purpurata Arthur C. Gibson; 2010-1-28 5276 Los Angeles SANTA MONICA MOUNTAINS, Route 23 just above SMMNRA Hennessy property. Comment
  RSA679945  Camissonia LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 943 Los Angeles Pacifico Mountain Road (3N17) ca. 1.3 miles NW along road from Alder Saddle to Pacifico Mountain and 2 miles SE from Mt. Pacifico Campgroud turnoff. 1784 Comment
  RSA729513  Camissonia R. G. Swinney 1999-7-5 7543 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
  SD197829  Camissonia A. C. Sanders 1988-2-18 7688 Los Angeles El Segundo Dunes, west of Los Angeles Internatinal Airport, between Pershing Drive and Vista Del Mar Boulevard. 4 Comment
  RSA162867  Camissonia bistorta John Olmsted 1958-3-2 3 Los Angeles Gradual Southward drainage along San Antonio Creek, Blanchard Park, Pomona College Campus, Claremont near eastern boundary. Comment
  RSA586650  Camissonia boothii subsp. decorticans Orlando Mistretta 1995-6-1 1755 Los Angeles San Gabriel Mountains, Carr Canyon, near mouth of Canyon. 945 Comment
  RSA552194  Camissonia campestris subsp. campestris D. Charlton 1991-5-18 s.n. Los Angeles West side of Piute, in dunes. Edwards AFB Comment
  RSA569932  Camissonia campestris subsp. campestris Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4840 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  RSA729730  Camissonia campestris subsp. campestris R. G. Swinney 1999-5-22 7209 Los Angeles San Gabriel Mtns./Mojave Desert: Le Montaine Canyon, c. 0.5 mi. south of Camp Jubilee Rd. 1701 Comment
  RSA75689  Camissonia campestris subsp. campestris F. W. Peirson 1921-5-20 793 Los Angeles Mojave Desert, Little Rock Creek, San Gabriel Mountains 1067 Comment
  SBBG16004  Camissonia campestris subsp. campestris W. G. Webb 1935-4-19 Los Angeles near Castaic Comment
  UCR233752  Camissonia cheiranthifolia Jeremiah George 2012-3-12 s.n. Los Angeles South Coast, Hermosa Beach, vacant lot south of 1125 Manhattan Avenue 11 Comment
  RSA454030  Camissonia cheiranthifolia subsp. suffruticosa Dorothy Nichols 1936-4-1 s.n. Los Angeles El Segundo. Comment
  RSA454038  Camissonia cheiranthifolia subsp. suffruticosa L. E. Hoffman 1933-7-17 s.n. Los Angeles Hermosa Beach. Comment
  RSA136642  Camissonia claviformis subsp. claviformis Peter H. Raven 1958-3-23 11958 Los Angeles Big Rock Creek: road above creek 4.3 miles S of Pearlblossom. Comment
  RSA597777  Camissonia graciliflora Steve Boyd, Lauren Raz 1997-3-14 9171 Los Angeles Liebre Mountains, lower southeastern flank of Bald Mountain, near head of Liebre Gulch, due west of Sandberg. 1213 Comment
  RSA311278  Camissonia hirtella Robert F. Thorne 1969-7-2 38241 Los Angeles San Gabriel Mts., Angeles National Forest: Wet, sandy margin of East Fork of Alder Creek, Charlton Flat burn (of 1954) 1585 Comment
  RSA448986  Camissonia hirtella Anstruther Davidson 1904-6-1 1083 Los Angeles Wilsons Peak, L.A. Comment
  RSA609267  Camissonia hirtella Louis C. Wheeler 1968-5-25 s.n. Los Angeles San Gabriel Mountains: Mesa on west side of Bear Creek off West Fork San Gabriel River. 610 Comment
  RSA674739A  Camissonia hirtella Scott D. White, Kent Hughes 2000-5-16 7841 Los Angeles San Gabriel Mountains: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  RSA229076  Camissonia hirtella Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38839 Los Angeles San Gabriel Mts., Angeles National Forest: Chilao area sandy roadbank on Angeles Crest Hwy. 1524 Comment
  RSA311277  Camissonia hirtella Robert F. Thorne 1969-7-2 38293 Los Angeles San Gabriel Mountains, Angeles National Forest: near Chilao Creek, Upper Chilao Campground 1616 Comment
  RSA162868  Camissonia ignota John Olmsted 1958-3-10 40 Los Angeles Edge of Oak Woodland 1 mile below crest of Liveoak Creek fire road with live oak creek drainage to the SW. 4 miles N of Webb School and 2 miles N of Hill ranch, NE of Claremont. 610 Comment
  RSA127869  Camissonia intermedia H. J. Thompson 1959-4-12 1926 Los Angeles Santa Monica Mountains: 2 miles west of Las Virgenes Road, Mulholland Highway. 305 Comment
  RSA774959  Camissonia pallida R. G. Swinney 2009-5-6 10681 Los Angeles Carr Canyon at confluence with Little Rock Creek 909 Comment
  RSA585373  Camissonia pallida subsp. pallida Tim S. Ross 1991-4-27 4658 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (and hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line. 1183 Comment
  SEINET7047921  Camissonia pallida subsp. pallida Steven R. Hill, Kate Kramer 2001-4-22 33370 Los Angeles South side of California Route 138 (Pearblossom Highway) just east of Palmdale and about 1 mile west of Little Rock; west side of Little Rock Wash. Elevation about 2820 feet. Comment
  RSA72235  Camissonia palmeri F. W. Peirson 1926-5-8 6727 Los Angeles 12 miles E of Palmdale, Antelope Valley Comment
  CHSC100165  Camissoniopsis hirtella John Dittes 2006-6-4 1391 Los Angeles Western Transverse Range; Simi Hills; north of Santa Susana Road; ca. 2.3 air-miles northwest of Chatsworth Highschool, ca. 0.9 air-mile west of Topanga Blvd., ca. 0.8 air-mile east x northeast of Santa Susana Pass. 381 Comment
  RSA0051517  Campanula poscharskyana Mark Giebel 1965-5-21 s.n. Los Angeles Tarzana. 274 Comment
  RSA783064  Capsella bursa-pastoris J. D. Olmsted 1958-3-17 63 Los Angeles Above Johnson s Pasture Road with SW drainage along Thompson creek 1.25 miles NW of intersection Indian Hill and Baseline, NW of Claremont. 442 Comment
  UC10412  Cardamine californica J. H. Barber 1897-1-17 18 Los Angeles Sullivan's Canyon Sullivan's Canyon (Southern California) Comment
  POM399  Cardamine californica var. californica I. M. Johnston 1283 Los Angeles San Gabriel Wash 152 Comment
  RSA66107  Cardamine californica var. integrifolia F. W. Peirson s.n. Los Angeles Santa Monica Canyon, Santa Monica Mts. Comment
  UCR273122  Carduus pycnocephalus R. G. Swinney 2011-5-6 14613 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
  RSA0092489  Carex R. G. Swinney 2011-5-12 14697 Los Angeles San Gabriel Mountains: Aliso Canyon Creek, 50-100 m west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy, west of mouth of Cabin Canyon Creek. West side of creek. 1183 Comment
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Sep 12 2018
  RSA584126  Carex alma Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-8 2969 Los Angeles Upper Big Tujunga Canyon: margin of Big Tujunga Creek and toes of the slopes immediately west (ca 1.6 air miles ENE of Barely Flats). 1213 Comment
  UC1595251  Carex alma Tim Ross and Peter Fritsch 1990-6-20 3637 Los Angeles mouth of Burron Canyon near confluence of the E and W Forks of San Gabriel River; San Gabriel Mountains, Burro Canyon 445 Comment
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Nov 3 2010
  UCR178887  Carex alma R. G. Swinney 1989-5-31 s.n. Los Angeles San Gabriel Mtns., Glendora, north end of Big Dalton Dam near Big Dalton Canyon Rd. 518 Comment
  UC1116256  Carex densa F. R. Fosberg 1931-8-13 798 Los Angeles Pine Flats, North Fork San Gabriel River San Gabriel Mountains Comment
  CAS-BOT-BC21762  Carex hassei Robert F. Thorne; J. Dourley 1967-10-10 37361 Los Angeles 1.5 miles E of Dawson Saddle. San Gabriel Moutains, Angeles National Forest. 2331 Comment
  UCD140366  Carex hassei Robert F. Thorne; M. Z. Thorne 1967-7-19 37188 Los Angeles San Gabriel Mts., Angeles National Forest: Big Cienega Springs above Crystal Lake Recreation Area. 1981 Comment
  RSA88757  Carex praegracilis F. W. Peirson 1918-4-28 1624 Los Angeles Southeast of El Monte. Comment
  SEINET7572148 Image available Carex praegracilis Steve Boyd 1996-4-25 8695 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage, at head of Cienega Canyon, south of Liebre Mountain. 914 Comment
  UCR180151  Carex praegracilis Scott D. White, Andrea Warniment 2006-7-7 11613 Los Angeles SE Tehachapi Mtns, Gorman area, Gorman Creek NE of the I-5 Freeway 1098 Comment
  UCR204882  Carex praegracilis R. G. Swinney 2005-8-9 8410 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  RSA646964  Carex senta Orlando Mistretta 1993-7-6 923 Los Angeles Buckhorn Canyon, near exit to Buckhorn Canyon Campground. Comment
  SEINET7575826  Carex spissa Louis C. Wheeler 1975-1 Los Angeles Comment
  RSA748454  Carex subfusca R. G. Swinney, Cody Clarke 2001-8-22 8074 Los Angeles San Gabriel Mtns.: 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area. 2305 Comment
  SD186070  Carthamus creticus A. C. Sanders 2005-5-5 29884 Los Angeles Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool. 655 Comment
  CDA6925  Carthamus creticus E. M. Becker 1948-7-2 Los Angeles San Francisquito Canyon above Saugus. 11.8 miles north of Bouquet Canyon Road - TC Fuller. 0 Comment
  RSA0011153  Carya L. M. Prince, Lucinda A. McDade, Norm Ellstrand, Pace Lubinsky, Andrea Kaus 2008-8-18 513 Los Angeles Bonelli Park, San Dimas 315 Comment
  SFV16116  Castilleja affinis J. M. Kneitel 1995-4-9 23 Los Angeles San Gabriel Mountains Angeles Forest Highway, 3.5 miles north of junction with Angeles Crest Highway. 100 m off highway. 915 Comment
  UCR13485  Castilleja affinis 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
  LA52002  Castilleja affinis M. Hilend; 1930-4-10 s.n. Los Angeles SANTA MONICA MOUNTAINS, Westwood Hills. Comment
  RSA628819  Castilleja applegatei subsp. martinii Scott D. White, David E. Bramlet 1998-6-29 6809 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. [Correct TRS should be 3N, 9W] 1707 Comment
  RSA561603  Castilleja applegatei subsp. martinii Steve D. Boyd, Orlando Mistretta 1993-6-3 8172 Los Angeles north of Sylmar and south of Santa Clarita. North of Santa Clara Rd (3N17.9) at head of eastern-most canyons 914 Comment
  UC314544  Castilleja exserta subsp. exserta Marcus E. Jones, A. M. 1926-5-7 Los Angeles Claremont Comment
  UCSB45266  Castilleja exserta subsp. exserta Batson, J. 1979-5-12 Los Angeles End of Trancas Canyon Road; near Malibu, CA 91 Comment
  SFV6449  Castilleja exserta subsp. venusta T. Gordon, W. C. Willig, K. A. Wilson, D. R. Perry 1974-4-28 202 Los Angeles Mojave Desert Antelope Valley. Llano. 165th Street East and T8 Avenue. 900 Comment
  SBBG95472  Castilleja foliolosa M. B. Dunkle 1929-3-3 2058 Los Angeles Hamilton Cyn Comment
  UCR131700  Castilleja foliolosa C. B. Wolf 1928-3-29 01558 Los Angeles SW Mojave Desert, 3 miles SW of Neenach at junction of Pine Canyon and Sandberg roads 915 Comment
  RSA586685  Castilleja foliolosa Orlando Mistretta, Mark A. Elvin 1995-5-10 1700 A Los Angeles Bare Mountain Canyon 1463 Comment
  UCR27080  Castilleja gleasoni T. P. Krantz 1980-7-2 s.n. Los Angeles San Gabriel Mtns., east of Mt. Gleason 1768 Comment
  JEPS88978  Castilleja grisea Mark Egger and Jennifer Stone 1995-4-15 679 Los Angeles Pyramid Head area, lowest terrace, NW base of Balanced Rock, ca. 50 m from sea San Clemente Island Comment
  RSA639166  Castilleja miniata subsp. miniata Louis C. Wheeler 1967-9-3 10634 Los Angeles San Gabriel Mountains; Prairie Fork. 2317 Comment
  POM294191  Castilleja minor subsp. spiralis Lyman D. Benson 1954-6-27 15303 Los Angeles Little Dalton Canyon, above Glendora. 427 Comment
  UCR204757  Castilleja minor subsp. spiralis R. G. Swinney 2005-8-9 8431 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  UCSB6019  Castilleja minor subsp. spiralis Wedberg, H. 1958-7-15 Los Angeles New and Old Topanga Canyons, Santa Monica Mtns Comment
  POM43179  Castilleja minor subsp. spiralis H. E. Hasse 1890-07 s.n. Los Angeles [No location information provided.] Comment
  UC1583148  Castilleja pruinosa Orlando Mistretta 1987-6-25 Los Angeles w half Chilao Flats campground; San Gabriel Mountains, Angeles National Forest Comment
  JEPS30825  Caulanthus amplexicaulis John L. and Florence S. Morrison 1937-6-17 Los Angeles on trail up Mt. Islip only on s slopes about 1 1/2 - 2 mi above Crystal Lake; San Gabriel Range, trail up Mt. Islip, above Crystal L. 1981 Comment
  UC765000  Caulanthus coulteri R. F. Hoover 1938-4-16 3118 Los Angeles near Bailey's; upper Antelope Valley, near Bailey's Comment
  POM369302  Caulanthus coulteri var. coulteri B. C. Templeton 1930-5-5 s.n. Los Angeles 1 mile no. of Elizabeth Lake. 1100 Comment
  UCSB33611  Caulanthus inflatus Cummings, C. 1965-4-12 Los Angeles Hi Vista 762 Comment
  POM247963  Ceanothus arboreus F. R. Fosberg 1931-3-23 s 4326 Los Angeles Hamilton Canyon 60 Comment
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Jun 5 2014
  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
  SD72253  Ceanothus cordulatus Jeannette L. Huber 1969-5-25 973 Los Angeles One mile east of Kratka Ridge, Pleasant View Ridge Trail, San Gabriel Mountains 2286 Comment
  UCR124415  Ceanothus cordulatus B. C. Templeton 1932-5-31 5054 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  CAS-BOT-BC48749  Ceanothus crassifolius D. O. Burge 2007-3-23 DOB 806 b Los Angeles San Gabriel Mountains, Angeles National Forest, between Horse Canyon and Oak Canyon, above the San Gabriel River 630 Comment
  POM8839  Ceanothus crassifolius P. A. Munz, R. D. Harwood 1920-03 4300 Los Angeles 3 miles north of Claremont, Cobal's Canyon. 457 Comment
  RSA585545  Ceanothus crassifolius Tim S. Ross 1992-4-21 6227 Los Angeles W and SW of Horse Canyon Saddle; along an old roadcut (ultimately joining Lower Monroe Road) that marks the NW boundary of the San Dimas Experimental Forest. 1042 Comment
  UCR126710  Ceanothus crassifolius A. C. Sanders, Mark Elvin 2003-8-7 27150 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
  UC1071136  Ceanothus cuneatus var. cuneatus A. Lewis Jan 1934 238 Los Angeles La Brun Elizabeth Lake quad, Angeles Nat. For. 731 Comment
  UCR229144  Ceanothus greggii Dan S. Cooper 2011-5-5 511- 61 Los Angeles Transverse Range; San Gabriel Mountains, Portal Ridge, east of Three Points, 6.1 mi southeast (148 deg. ) of Neenach 1331 Comment
  UC1929379  Ceanothus leucodermis Mark Elvin, Anne Marie Ruff 1996-8-1 302 Los Angeles Transverse Ranges; San Gabriel Mountains region: San Gabriel Mountains. Angeles National Forest. Glendora Ridge Road. 4.2 mi from gate. Both sides of road. Flat ridge and down north and south faces to canyon bottom. Comment
  UC205369  Ceanothus leucodermis I. M. Johnston 1917-7-28 1577 Los Angeles San Antonio Canyon San Antonio Mts. 1752 Comment
  POM214615  Ceanothus megacarpus Joseph A. Ewan 1932-2-27 7024 Los Angeles Manderville Canyon, Santa Monica Mts. 305 Comment
  CAS-BOT-BC51423  Ceanothus megacarpus var. megacarpus Geo. B. Grant 1901-3-18 s.n. Los Angeles Los Angeles Comment
  UC574961  Ceanothus oliganthus var. oliganthus Carl Epling, R. Fowler, K. Kneen April 1933 Los Angeles Boney Ridge Santa Monica Mts. Comment
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Nov 11 2014
  UCR217431  Ceanothus sorediatus R. G. Swinney 2009-3-10 10058 Los Angeles San Gabriel Mtns. Foothills, Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  CDA9426  Ceanothus spinosus D. G. Kelch 1991-3-24 1340 Los Angeles Foothills of Santa Monica Mountains North of Hollywood. Comment
  LA42093  Ceanothus spinosus Carl Epling; Lincoln Ellison 1929-3-16 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  UC18429  Ceanothus spinosus State Survey 1860-12-18 74 Los Angeles Sierra Santa Monica Comment
  UCR259921  Centaurea melitensis R. G. Swinney 2010-4-28 12439 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
  UCR102383  Centaurea repens L. C. Wheeler 1973-6-14 s.n. Los Angeles Coastal Plains & Basins; Los Angeles Basin region, California State University, Long Beach Comment
  UC1587736  Centranthus ruber Tim Ross 1991-4-21 4498 Los Angeles along Turnbull Canyon Road (Whittier Hills (Puente Hills, pro parte)); Whittier Hills (Puente Hills, pro parte) 274 Comment
  UCR206455  Centrostegia thurberi R. G. Swinney 2008-6-9 8962 Los Angeles San Gabriel Mtns., lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  UCR200122  Cerastium glomeratum Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 780 Los Angeles Verdugo Mountains, south side, Stough Canyon, Stough Park, above parking lot southwest of intersection of Walnut Avenue and Lockheed View Drive, west of De Bell Municipal Golf Course, southeast of Starlight Theater 366 Comment
  IRVC27791  Cercocarpus betuloides A. C. Sanders 2005-5-11 30188 Los Angeles Santa Clarita area, upper Plum Cyn along Plum Cyn Rd between crest and vernal pool on bench in mid cyn, NW of Forest Park between Mint and Bouquet cyns. Western San Gabriel/Liebre Mtns Region 579 Comment
  SEINET8722757 Image available Cercocarpus betuloides F. R. Fosberg 1931-1 S 4282 Los Angeles Hamilton Canyon, Santa Catalina Island. Canyon floor, Upper Sonoran Zone. Alt. 10 m. 10 Comment
  CAS-BOT-BC142109  Cercocarpus betuloides var. betuloides H. E. McMinn 1924-7-25 1332 Los Angeles Catalina Island Comment
  CAS-BOT-BC142131  Cercocarpus betuloides var. betuloides Carl B. Wolf 1927-7-24 679 Los Angeles Chevy Chase Drive between Flintridge and Glendale Comment
  CAS-BOT-BC142163  Cercocarpus betuloides var. betuloides Carl B. Wolf 1927-7-24 s.n. Los Angeles Chevy Chase Drive, between Glendale & Flintridge Comment
  RSA598889  Cercocarpus betuloides var. betuloides Steve D. Boyd, Tim S. Ross 1997-3-21 9205 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  RSA600578  Cercocarpus betuloides var. betuloides Louis C. Wheeler 1962-6-30 8159 Los Angeles San Gabriel Mountains. Pacoima Canyon at Bad Canyon. 976 Comment
  RSA603193  Cercocarpus betuloides var. betuloides Louis C. Wheeler 1972-12-20 12788 Los Angeles San Gabriel Mountains: Cow Canyon Saddle 1372 Comment
  RSA639752  Cercocarpus betuloides var. betuloides Louis C. Wheeler 1946-8-25 6242 Los Angeles San Gabriel Mountains: Near Soldier Creek on Coldbrook, Crystal Lake Road. 1524 Comment
  UCR270487  Cercocarpus betuloides var. betuloides R. G. Swinney 2011-6-15 15170 Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  CAS-BOT-BC142108  Cercocarpus betuloides var. blancheae Reid Moran 1941-3-13 703 Los Angeles Hermit Gulch, Santa Catalina Island, near creek. 50 Comment
  POM155809  Cercocarpus betuloides var. blancheae M. B. Dunkle 1928-4-21 1871 Los Angeles Santa Catalina Island. Renton Mine Road 274 Comment
  UCD113076  Cercocarpus betuloides var. blancheae P. B. Kennedy 1928-3-28 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  UCR194000  Cercocarpus ledifolius R. G. Swinney 1998-8-13 6735 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  UCR206260  Cercocarpus ledifolius R. G. Swinney 2008-6-10 8989 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1943 Comment
  CAS-BOT-BC143812  Cercocarpus ledifolius var. ledifolius Joseph Andorfer Ewan; Nesta Ewan 1936-8-14 10070 Los Angeles Mt. Hawkins crest, San Gabriel Mts. 2499 Comment
  CATA1874  Cercocarpus traskiae Frank Landis, Heidi Helling 2008-6-26 2008 01 b Los Angeles Santa Catalina Island: Specimen comes from previously unknown tree (now named SR1) discovered in Wild Boar Gully exclosure June 26, 2008 by Ms. Sarah Ratay; location is at the bottom of a gully roughly 300 meters east of Trees A and B 264 Comment
  RSA733491  Cercocarpus traskiae Frank Landis, Heidi Helling 2008-6-26 2008 01 a Los Angeles Wild Boar Gully, Santa Catalina Island. 264 Comment
  CAS-BOT-BC518703  Cestrum nocturnum R. G. Swinney 2010-6-11 13247 Los Angeles San Gabriel Mountains: Azusa/Duarte, walking path under the Puente Largo RR bridge, main channel of San Gabriel River Wash, 0.5 mi N of Foothill Blvd. 184 Comment
  SEINET7379758 Image available Chaenactis artemisiifolia G. B. Grant 1904-6-15 166 Los Angeles Pasadena Comment
  UCR126718  Chaenactis glabriuscula A. C. Sanders, Mark Elvin 2003-4-14 25950 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
  UCR190432  Chaenactis glabriuscula R. G. Swinney 2000-5-19 7686 Los Angeles San Gabriel Mtns., San Dimas, SE-facing ridge west of San Dimas Canyon Rd., c. 300 m north of Golden Hills Rd. and 400 m west of stream 512 Comment
  JEPS34157  Chaenactis glabriuscula var. glabriuscula W. L. Jepson 1920-5-3 8925 Los Angeles near Newhall Comment
  SBBG65569  Chaenactis glabriuscula var. glabriuscula R. Hoffmann 1929-5-22 Los Angeles Del Sur to Elizabeth Lake Comment
  UC53914  Chaenactis glabriuscula var. glabriuscula Ernest Braunton 1902-4-1 248 Los Angeles Griffith Park Comment
  CAS-BOT-BC277822  Chaenactis santolinoides W. R. Dudley; F. H. Lamb 1896-6-9 4423 Los Angeles Liebre Mountains Comment
  POM351804  Chaenactis santolinoides Anstruther Davidson, Hasse 1906-6-5 1466 Los Angeles Big Rock Creek. [San Gabriel Mountians] Comment
  SBBG112160  Chaenactis santolinoides C. Bornstein, E. Collins 1997-4-14 Los Angeles Liebre-Sawmill Mtn Rd [USFS 7N23], Liebre Mtns 1348 Comment
  SD111595  Chaenactis santolinoides Wayne P. Armstrong 1982-6-28 Los Angeles Summit of Mt. Islip. 2500 Comment
  RSA746414  Chaenactis stevioides R. G. Swinney 2008-5-12 8829 Los Angeles east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  RSA497603  Chaenactis xantiana A. C. Sanders 1988-4-3 7746 Los Angeles SW end Tehachapi Mountains, l mile NW of Gorman on gasline road, 0.4 mile above old highway. 1280 Comment
  SD121565  Chaenactis xantiana Michael Curto, Linda Allen 1987-3-24 Los Angeles Western slope of Saddleback Butte in Joshua Tree woodland, Saddleback Butte State Park, High Vista Quad. 790 Comment
  UCR80039  Chaetopappa lyonii D. L. Koutnik 1992-10-25 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., on a knoll NW of intersection of Mulholland Hwy & Westlake (Decker) Rd, c. 1/4 mi. west of Westlake. Comment
  RSA611359  Chamaesyce albomarginata Lauren Raz, S. D. Boyd, Mike Kinney 1998-3-17 188 Los Angeles Liebre Mountains region: Lower Leona Valley, southeastern end of Ritter Ridge and adjacent wash of Amargosa Creek, north of Elizabeth Lake Road., Near 34 degrees 35' 05''N 118 degrees 10' 40''W 853 Comment
  UC1130432  Chamaesyce serpyllifolia Jerome S. Horton 1936-8-25 384 Los Angeles Tanbark Flat 792 Comment
  CDA20448  Chasmanthe floribunda M. O'Brien 2003-2-16 s.n. Los Angeles South Coast; El Pescador State Beach in Malibu. 0 Comment
  RSA733674  Cheilanthes covillei R. G. Swinney 1998-8-5 6649 Los Angeles San Gabriel Mtns.: upper Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch. 1280 Comment
  SEINET804419  Cheilanthes covillei L. L. Kiefer 1967-1 2880 Los Angeles San Gabriel Mountains, N of Pasadena, N fork Mill CK. 3 miles upstream. 1219 Comment
  RSA782209  Chenopodium R. G. Swinney 2009-8-25 11488 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  RSA64943  Chenopodium album F. W. Peirson 1918-5-26 1827 Los Angeles Hennigers, N base of San Gabriel Mts. 854 Comment
  RSA547810  Chenopodium ambrosioides T. S. Ross, Peter Fritsch 1990-6-20 3614 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near the confluence of E and W forks of the San Gabriel River. Stream bottom to slopes. 445 Comment
  UCR204053  Chenopodium berlandieri R. G. Swinney 2005-7-8 8275 Los Angeles San Gabriel Mountains, Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, west of and adjacent to Longview Road 1216 Comment
  RSA5209  Chenopodium berlandieri var. sinuatum C. B. Wolf 1932-9-13 4064 Los Angeles Bryant Ranch. 250 ft. south of north boundary in SE 1/4 section 27., (about 460 ft. east and 250 ft. south of NW corner of SE 1/4 section 27. T4S, R12W). 5 Comment
  POM219206  Chenopodium botrys L. C. Wheeler 1932-5-26 750 Los Angeles San Gabriel wash at Arrow Highway. 107 Comment
  UCR199984  Chenopodium botrys Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1364 Los Angeles Transverse Ranges; Verdugo Mountains, Intersection of North Beaudry Motorway and Deer Creek 518 Comment
  SBBG95183  Chenopodium californicum M. B. Dunkle 1928-5-27 1971 Los Angeles Hamilton Cyn Comment
  RSA478530  Chenopodium multifidum Freda Detmers 1929-10-2 s.n. Los Angeles Los Angeles: Riverdale along curb at 34th and McClintock. Comment
  RSA478538  Chenopodium murale Robert Gustafson 1981-3-10 2109 Los Angeles Ballona Wetlands, Area 1. Comment
  RSA604377  Chenopodium murale L. C. Wheeler 1972-4-9 s.n. Los Angeles San Gabriel Mountains: Georges Gap on divide between Clear Creek & Arroyo Seco. Comment
  RSA604307  Chenopodium pumilio L. C. Wheeler 1967-9-29 s.n. Los Angeles San Gabriel Mountains: Sawpit Canyon near intersection of Monrovia Canyon trail with Vassar Canyon, north center. 579 Comment
  RSA629704  Chenopodium pumilio L. C. Wheeler 1967-7-6 9925 Los Angeles San Dimas Canyon; Southeast east of San Dimas dam 457 Comment
  LA201532  Chenopodium strictum var. glaucophyllum Arthur C. Gibson; 2003-9-2 4896 Los Angeles 289 Comment
  RSA252888  Chorizanthe brevicornu var. brevicornu Robert F. Thorne 1973-5-11 43544 Los Angeles Along Mt. Emma Road, 1/2 mi. E of Little Rock Creek below the dam. 1037 Comment
  HSC101377  Chorizanthe parryi var. fernandina Mark A. Elvin, Cathleen Weigand 2003-4-8 2453 Los Angeles Santa Clarita Valley: Newhall Ranch Commerce Center, confluence of Hasley Canyon and Castaic Creek, N of Hwy 126 319 Comment
  SD60245  Chorizanthe spinosa Ralph Hoffman 1930-5-19 Los Angeles gravelly washes running into southeastern side of Muroc Lake, northwestern Los Angeles County Comment
  POM122040  Chorizanthe staticoides George B. Grant 1904-6-17 169 Los Angeles Pasadena. Comment
  POM156531  Chorizanthe staticoides L. R. Abrams 1902-7-2 2637 Los Angeles Sierra Madre. Comment
  RSA156266  Chorizanthe staticoides L. R. Abrams 1902-6-16 2554 Los Angeles Santa Monica Mountains: Sepulveda Canyon. Comment
  SBBG62203  Chorizanthe staticoides J. Ewan 1929-7-10 Los Angeles trail to Barley Flats 1524 Comment
  SDSU4940  Chorizanthe staticoides D. F. Howe 1976-6-1 4915 Los Angeles South side o Little Sycamore Canyon. 488 Comment
  SEINET3133943  Chorizanthe staticoides L. Abrams 1902-6-16 2554 Los Angeles Sepulveda Canyon, Santa Monica Mts. Comment
  SEINET13094759  Chorizanthe staticoides var. latiloba A. D. E. Elmer 3689 Los Angeles Acton. Comment
  UC1375332  Chorizanthe xanti Robert F. Thorne and C. W. Tilforth 1971-6-17 39892 Los Angeles along Soledad Canyon Road ca 2 mi w Soledad Station (n slope San Gabriel Mountains); n slope San Gabriel Mts. w of Soledad Station 579 Comment
  SBBG62271  Chorizanthe xanti var. xanti R. Hoffmann 1929-5-18 Los Angeles Harold Comment
  SBBG62273  Chorizanthe xanti var. xanti R. Hoffmann 1927-6-14 Los Angeles Palmdale Comment
  UCR263068  Chorizanthe xanti var. xanti Mitch Provance 2008-4-14 10146 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
  CDA7840  Chrysanthemum coronarium Michael O Brien 2008-4-13 s.n. Los Angeles La Piedra State Beach 0 Comment
  RSA703160  Chrysothamnus nauseosus subsp. consimilis Scott D. White 2004-8-11 10698 Los Angeles San Gabriel Mountains: About 8 air miles west - northwest of Wrightwood. East of Fenner Saddle Rd. on Pacific Crest Trail. 2073 Comment
  RSA0085349  Cirsium occidentale var. coulteri R. G. Swinney 2010-4-28 12378 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
  SBBG95402  Cirsium occidentale var. coulteri M. B. Dunkle 1928-5-13 1938 Los Angeles roadside near Wishbone Loop, Coach Rd Comment
  CAS-BOT-BC285591  Cirsium occidentale var. occidentale Huron H. Smith 1912-5-26 5004 Los Angeles Avalon Canyon, Santa Catalina Isl. 30 Comment
  RSA229020  Cistanthe monandra R. F. Thorne, C. W. Tilforth 1971-6-30 40780 Los Angeles San Gabriel Mountains, Angeles National Forest: Pinyon Flats 1.6 miles below Alder Saddle along dry branch of S fork of Little Rock Creek 1585 Comment
  RSA466594  Cistanthe monandra Samuel R. Tyson 1942-5-5 s.n. Los Angeles San Dimas Canyon 610 Comment
  RSA643964  Cistanthe monosperma V. W. Steinmann 1996-5-17 916 Los Angeles San Gabriel Mountains, ca. 1 km (by air) southwest of Mt. San Antonio, along Baldy Trail. 2850 Comment
Read comments
Nov 8 2010
  RSA584178  Cistus creticus T. S. Ross 1990-5-15 2526 Los Angeles Yerba Buena Ridge; Tujunga Ranger Distruct, Angeles National Forest; peripheral ridge N from Yerba Buena Rd. dividing tributaries of Oak Spring Canyon (W) and Boulder Canyon (N) 914 Comment
  LA200700  Clarkia bottae H. & M. Lewis; 1947-5-7 211 Los Angeles Santa Monica Mountains, Decker Road, 0.4 mi. N of Latigo Canyon Rd Comment
  CAS-BOT-BC172251  Clarkia cylindrica subsp. cylindrica C. L. Hitchcock 1928-5-27 55 Los Angeles 8 miles west of Elizabeth Lake 1000 Comment
  UC1143191  Clarkia cylindrica subsp. cylindrica H. Lewis and M. Lewis 1947-5-7 212 Los Angeles 0.4 mi n Latigo Canyon Road (Decker Road); Santa Monica Mts. Comment
  POM3016  Clarkia dudleyana D. L. Crawford 1915-06 s.n. Los Angeles San Antonio Canyon, Claremont. 1220 Comment
  RSA448255  Clarkia dudleyana Elbert Benjamine 1929-5-26 208 Los Angeles San Dimas Canyon, San Gabriel Mountains. Comment
  UCR131589  Clarkia dudleyana L. C. Wheeler 1932-5-8 690 Los Angeles San Gabriel Valley; San Jose Hills, Puddingstone Dam 305 Comment
  LA210318  Clarkia purpurea subsp. quadrivulnera Harlan Lewis; Margaret Lewis 1946-7-14 28 Los Angeles Santa Monica Mountains, Sepulveda Blvd., 0.7 mi N of N Sepulveda Way 396 Comment
  RSA448280  Clarkia purpurea subsp. quadrivulnera C. Epling, O. N. Dunn 1931-5-30 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains. Comment
  RSA448287  Clarkia purpurea subsp. quadrivulnera Anstruther Davidson 1908-09 1792 Los Angeles San Fernando [Plains?] Comment
  RSA448288  Clarkia purpurea subsp. quadrivulnera Anstruther Davidson 1890-09 s.n. Los Angeles San Fernando. Comment
  HSC16292  Clarkia unguiculata C. S. Apperson 1967-6-11 Los Angeles 3 mi. up Haskell Cyn. Rd. off of Bouquet Cyn. Rd. Comment
  RSA229027  Clarkia unguiculata Robert F. Thorne, C. W. Tilforth 1971-6-29 40728 Los Angeles San Gabriel Mountains, Angeles National Forest: along Lucas Creek S of Big Tujunga Narrows along Angeles Forest Road 915 Comment
  SD234916  Clarkia unguiculata A. C. Sanders 2003-5-1 26244 Los Angeles Western San Gabriel Mountains: SE side of Castaic Mesa, E of Lake Hughes Road and the filtration plant, Newhall Ranch (Newhall 7.5' Q) 395 Comment
  RSA466707  Claytonia parviflora subsp. utahensis J. Aug Kusche 1929-4-14 s.n. Los Angeles Little Rock, Mohave Desert. Comment
  RSA466708  Claytonia parviflora subsp. utahensis Bonnie C. Templeton 1947-5-21 6276 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  RSA329733  Claytonia perfoliata subsp. intermontana Gary D. Wallace 1965-3-25 212 Los Angeles San Gabriel Mountains, Millard Canyon, north of Pasadena 915 Comment
  CAS-BOT-BC439964  Claytonia perfoliata subsp. mexicana Huron H. Smith 1912-5-29 5022 Los Angeles Summit Road, Santa Catalina Isl. 396 Comment
  UC852087  Claytonia perfoliata subsp. mexicana Ira W. Clokey, B. Templeton Mar 1929 4527 Los Angeles Santa Monica Mountains, Mandeville Canyon Mandeville Canyon; Santa Monica Mountains, Mandeville Canyon 365 Comment
  RSA0022365  Clematis lasiantha Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5119 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA15255  Clematis lasiantha Fay A. MacFadden 1931-05 3007 Los Angeles Verdugo Mountains: Tuna Canyon. Comment
  RSA247432  Clematis lasiantha Jack Delaini 1974-5-9 178 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest 762 Comment
  RSA517109  Clematis lasiantha Tim S. Ross, S. D. Boyd 1990-5-14 2464 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1067 Comment
  RSA724609  Clematis lasiantha K. Dobry 1991-5-2 567 Los Angeles West San Gabriel Mts at Elsmere Cyn Comment
  UCR179265  Clematis lasiantha R. G. Swinney 1989-5-8 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park in Big Dalton Canyon and its tributaries. 'Water Pipe Canyon' [=Pavil Cyn] 457 Comment
  RSA0051759  Clematis lasiantha Lee Haines 1937-4-17 s.n. Los Angeles Santa Anita Canyon. 548 Comment
  CAS-BOT-BC92643  Clematis ligusticifolia Timothy S. Ross; Steve Boyd 1994-9-20 8263 Los Angeles Liebre Mountains. Lower Spunky Canyon. This stretch draining south southeast, exiting into Bouquet Reservoir. 934 Comment
  RSA578224  Clematis ligusticifolia Tim S. Ross, S. D. Boyd 1994-9-20 8263 Los Angeles Lower Spunky Canyon: this stretch draining SSE, exiting into Bouquet Reservoir 913 Comment
  UCR209640  Clematis ligusticifolia R. G. Swinney 2008-7-2 9128 Los Angeles San Gabriel Mtns., north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
  SBBG31383  Clinopodium douglasii R. F. Thorne with P. C. Everett 1965-5-12 34626 Los Angeles Bullrush Cyn 243 Comment
  CDA7444  Cnicus benedictus T. S. Ross, Steve Boyd 1990-6-6 2844 Los Angeles Green Valley Pasture, in San Francisquito Canyon Comment
  RSA599321  Collinsia bartsiifolia var. davidsonii Steve D. Boyd, Lauren Raz 1997-3-26 9352 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
  RSA682115  Collinsia heterophylla Valerie L. Soza, Bill Hoghead, Amber Maurice 2003-5-17 s.n. Los Angeles Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena; (Mt. Wilson). 915 Comment
  SD230297  Collinsia heterophylla Louis C. Wheeler 1968-5-24 Los Angeles San Gabriel Mountains: Northwest slope Smith Mt., along Bear Creek Trail. 1250 Comment
  UCR259154  Collinsia heterophylla R. G. Swinney 2010-8-30 13613 Los Angeles San Gabriel Mountains, East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream 744 Comment
  UCR271490  Collinsia heterophylla R. G. Swinney 2011-5-3 14556 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  RSA408342  Collinsia heterophylla Anstruther Davidson 1923-05 s.n. Los Angeles Mt. Wilson. Comment
  UC885545  Collinsia heterophylla I. W. Clokey, E. G. Anderson 1935-5-9 6872 Los Angeles Pomona Hills Comment
  SBBG127000  Collinsia heterophylla var. austromontana A. Parikh, N. Gale 2011-7-15 3562 Los Angeles W Fork San Gabriel River, 3.5 km W of St Hwy 39; San Gabriel Mtns 570 Comment
  RSA567163  Collomia grandiflora T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3899 Los Angeles Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. 1488 Comment
  RSA774178  Collomia grandiflora R. G. Swinney 2009-7-22 11336 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  CAS-BOT-BC59723  Comarostaphylis diversifolia subsp. planifolia K. Kneen 1933-4-12 s.n. Los Angeles Topanga Canyon. Comment
  UCR219812  Commelina benghalensis Lorraine Weller 2009-7-29 290709- 09 Los Angeles Union Avenue/Cesar Chavez Community Garden, 1136 South Union Ave., Westlake, Los Angeles 70 Comment
  UCSB68612  Conium maculatum Gross, LeRoy; Fraga, Naomi; Williams, Steve 2002-7-17 Los Angeles Transverse Ranges: Verdugo Mountains Region: North side: La Tuna Canyon; follow creekbed just north of La Tuna Canyon Road (Burbank 7.5; T2N R14W S26 & 25) 295 Comment
  CATA1544  Constancea nevinii Mark L. Hoefs, Steven A. Junak 1997-6-4 2772 Los Angeles Santa Catalina Island: End of road, past Empire Landing quarry 30 Comment
  SBBG11591  Constancea nevinii P. H. Raven 1962-7-12 18024 Los Angeles near point at E end of Northwest Harbor 30 Comment
  CATA306  Convolvulus arvensis Mark L. Hoefs 1973-6-5 329 Los Angeles Santa Catalina Island: Middle Ranch Canyon, in field by main road 243 Comment
  RSA586064  Conyza canadensis Orlando Mistretta 1995-10-2 1930 Los Angeles San Gabriel Mountains: Little Rock Creek. Upstream from Basin Campground 1037 Comment
  RSA732778  Cordylanthus rigidus subsp. setiger R. G. Swinney 2000-6-19 7818 Los Angeles Pine Mountain, north of Azusa. 1384 Comment
  RSA82045  Cordylanthus rigidus subsp. setiger F. W. Peirson 1921-11-12 2793 Los Angeles Collins Ranch, north slope of Liebre Mts. 1220 Comment
  SBBG54523  Cordylanthus rigidus subsp. setiger F. W. Pennell, P. A. Munz 1940-8-24 26468 Los Angeles Pomona College, Claremont 365 Comment
  POM11454  Cordylanthus rigidus subsp. setiger Philip A. Munz, R. D. Harwood 1920-8-11 4382 Los Angeles Claremont. 366 Comment
  RSA579463  Cordylanthus rigidus subsp. setiger Tim S. Ross, Steve D. Boyd 1994-9-21 8289 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1677 Comment
  CAS-BOT-BC287748  Coreopsis bigelovii Henry J. Thompson 1959-3-31 1905 Los Angeles Santa Monica Mts. 1 mile N of Mulholland Highway, 1.8 miles S of Malibu Junction, Cornell Rd 274 Comment
  CAS-BOT-BC287749  Coreopsis bigelovii W. R. Dudley; F. H. Lamb 1896-6-6 4336 Los Angeles Edge of Antelope Valley near Fairmont, Liebre Mts Comment
  RSA347576  Coreopsis bigelovii B. A. Prigge 1986-3-20 6965 Los Angeles 0.4 miles east of Gorman on Lancaster Road 1128 Comment
  RSA497601  Coreopsis bigelovii A. C. Sanders, E. J. Lawlor 1988-4-3 7751 Los Angeles SW end Tehachapi Mountains, l mile NW of Gorman on gasline road, 0.4 mile above old highway. 1280 Comment
  RSA597770  Coreopsis bigelovii Steve Boyd, Lauren Raz 1997-3-14 9182 Los Angeles Liebre Mountains, lower southeastern flank of Bald Mountain, near head of Liebre Gulch, due west of Sandberg. 1213 Comment
  UCR180575  Coreopsis bigelovii Scott D. White, Pam Devries 2006-5-10 11441 Los Angeles SE Tehachapi Mtns, Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Road 1098 Comment
  RSA114359  Coreopsis californica Percy C. Everett 1956-5-9 21561 Los Angeles 6.7 miles S of Lancaster, hwy 6, Joshua Tree Woodland 762 Comment
  UCD131013  Coreopsis gigantea P. B. Kennedy 1928-3-29 s.n. Los Angeles Eagle West, Santa Catalina Island. Comment
  JEPS30548  Corethrogyne filaginifolia Donald M. Kyhos 1958-11-1 58 -240 Los Angeles U.C.L.A. campus University of California, Los Angeles campus, U.C.L.A. campu Comment
  SD251661  Corethrogyne filaginifolia F. R. Fosberg 1931-7-11 S 5375 Los Angeles Santa Catalina Island; Middle Ranch Canyon at the mouth of Cape Canyon. 199 Comment
  POM356138  Corethrogyne filaginifolia var. filaginifolia Kenneth R. Montgomery 1973-8-22 73 -168 Los Angeles San Gabriel Mountains, Angeles National Forest, Little Tujunga Canyon, Dillion Divide, Forest Route 4N47. Comment
  RSA397701  Cornus glabrata Anstruther Davidson 1893-08 s.n. Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC212116  Cornus sericea Geo. B. Grant 1901-6-23 s.n. Los Angeles Pasadena Comment
  RSA585820  Coronilla valentina T. S. Ross, Angelika Brinkmann-Busi 1992-3-28 6057 -b Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; Abalone Cove area; old road from Palos Verdes Drive South to Abalone Cove (now just a trail), NW of Portuguese Point and +/- SSE of the Wayfarers chapel. Comment
  SFV17858  Cortaderia selloana J. N. Hogue 1998-11-19 130 .4 Los Angeles San Gabriel Mountains Mouth of San Gabriel Canyon on Highway 39. On steep (cliff) hillside on east side of road next to flowing seep. 244 Comment
  UCR205741  Cosmos bipinnatus A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36989 Los Angeles San Gabriel Valley, San Gabriel River channel between Lower Azusa Rd. and the I-605 crossing, southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 110 Comment
  UC485345  Cotula australis C. F. Millspaugh 1920-3-8 4729 Los Angeles Avalon, Catalina Island Comment
  RSA682165  Crassula colligata subsp. lamprosperma B. Muns 2002-5-28 s.n. Los Angeles Santa Fe Dam Recreation Area, old San Gabriel River floodplain, on side of road leading to the Lario San Gabriel River Trail parking area, just north of Foothill Blvd. in the city of Irwindale. Comment
  RSA0091544  Crassula connata R. G. Swinney 2011-5-26 14882 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
  SD251717  Crassula connata M. B. Dunkle 1940-3-18 7411 Los Angeles West end of Santa Barbara Island Comment
  RSA723434  Crassula connata var. erectoides M. B. Dunkle 1929-4-21 2139 Los Angeles Santa Catalina Island: Rock Spring Canyon. Comment
  SD234294  Crepis acuminata R. G. Swinney 1998-9-7 6927 Los Angeles San Gabriel Mtns.: Pine Mountain Ridge, c. 1 mi. west of summit of Pine Mountain. 2658 Comment
  RSA746558  Crepis nana Orlando Mistretta 1991-7-30 s.n Los Angeles Devils Backbone along trail to Mt Baldy 2744 Comment
  UCSB11252  Cressa truxillensis 1961-9-23 Los Angeles Ballast Point S side of Catalina Harbor, Santa Catalina Island Comment
  CAS-BOT-BC175825  Crossosoma californicum R. F. Thorne 1968-2-25 37915 Los Angeles Channel Islands; Santa Catalina Island: Cherry Valley Comment
  CATA56  Crossosoma californicum USC Wrigley Interns: Sabrina Lawrence-Gomez, Daniel Kasang, Alexandria Cheung, Miller Zou, Sarah Ratay 2011-7-8 35 Los Angeles Santa Catalina Island: Deer Valley Trail 92 Comment
  POM219970  Crossosoma californicum F. R. Fosberg 1932-5-5 8119 Los Angeles Canyon above Villa Park. Avalon, Catalina Island 40 Comment
  RSA167827  Crossosoma californicum R. F. Thorne, Percy C. Everett 1964-2-7 33469 Los Angeles Lower end of Pebbly beach Canyon, E end of Santa Catalina Island. Comment
  UC1281095  Crossosoma californicum H. E. McMinn 1924-7-1 1309 Los Angeles Catalina Is. Comment
  SFV21139  Croton californicus J. M. Keefe 2001-1-24 31016 Los Angeles San Rafael Hills Pasadena. East side of Arroyo Seco, 2 m west of curb, across street from 1590 Arroyo Blvd at Howard Street. 250 Comment
  UC1211064  Croton californicus Huron H. Smith 1912-5-3 4921 Los Angeles Azusa 243 Comment
  UC303794  Croton californicus S. B. Parish 1918-6-5 11875 Los Angeles Playa del Rey Comment
  UC520023  Croton californicus Joseph Andorfer Ewan 1932-5-19 7546 Los Angeles along base of hills near power house; Playa del Rey Comment
  UCR131446  Croton californicus Alison Lipman 1998-4-24 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
  SBBG108999  Croton setiger S. A. Junak 1996-5-20 SCl 512 Los Angeles mouth of cyn at Mosquito Cove 3 Comment
  SBBG31069  Croton setiger R. F. Thorne 1966-9-14 36655 Los Angeles behind Ben Weston Beach 3 Comment
  UCR124028  Croton setiger A. C. Sanders, Mark A. Elvin 2002-8-28 25596 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusement park 360 Comment
  SBBG122019  Crypsis vaginiflora A. Parikh, N. Gale 2003-6-13 758 Los Angeles S end of Cruzan Mesa, 2.25 km W of Sierra Hwy, 1.7 km SW of Vasquez Cyn Rd; SE Liebre Mtns 645 Comment
  SBBG131541  Crypsis vaginiflora S. A. Junak 1999-7-16 SCa 1047 Los Angeles Little Springs Reservoir 128 Comment
  RSA0110916  Cryptantha R. G. Swinney 2011-6-7 1508 Los Angeles San Gabriel Mountains: summit of Mount Mooney, 0.4 air mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory. 1768 Comment
Read comments
Feb 19 2020
  UCSB27922  Cryptantha circumscissa Kunze, G. 1971-4-17 Los Angeles California 14, 1.7 miles south of Lancaster, Antelope Valley 914 Comment
  CATA1583  Cryptantha clevelandii Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2853 Los Angeles Santa Catalina Island: Upper end of road to Toyon Beach 381 Comment
  SBBG79099  Cryptantha clevelandii F. R. Fosberg 1931-3-24 4350 Los Angeles Hamilton Cyn 30 Comment
  RSA0094671  Cryptantha clevelandii L. C. Wheeler 1967-5-12 9464 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA774596  Cryptantha clokeyi Orlando Mistretta, Christine Mistretta 2010-6-10 5292 Los Angeles North Fork Mill Creek. Forest Service Route 3N27, 2.55 air miles SW of intersection with Forest Route 3N17 (Mt. Gleason Road), along Southern California Edison transmission line corridor. 1295 Comment
  UCR282026  Cryptantha decipiens R. G. Swinney 2014-5-1 16321 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, east end of Holcomb Ridge, 2.2 road miles east of jct. of Bob's Gap Rd. and Panorama Rd., from base of ridge at Panorama Rd. to high point at 4519 ft. 1378 Comment
  LA94298  Cryptantha intermedia M. Zaitlin; 1951-4-8 sn Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  RSA202473  Cryptantha intermedia R. L. Armacost 1963-5-7 1629 Los Angeles Tapia Park, Santa Monica Comment
  RSA251437  Cryptantha intermedia R. F. Thorne 1966-4-15 35999 Los Angeles San Clemente Island: 2/3 mile SSE of Eel Point (and N of Seal Cove). 76 Comment
  RSA527776  Cryptantha intermedia Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4339 Los Angeles San Clemente Island: E side of island, Bryce Cyn near Malo Point. Comment
  RSA705036  Cryptantha micrantha Gary D. Wallace, M. Wallace 1983-5-20 2079 Los Angeles Aliso Canyon road between Acton and Angeles Forest highway. Comment
  SFV7381  Cryptantha micromeres T. Gordon, M. H. Grayum, R. Johnson 1975-4-18 900 Los Angeles Santa Monica Mountains Between Castro Peak and Mesa Peak, along main ridge fire road at head of Corral Canyon. 617 Comment
  RSA202471  Cryptantha microstachys R. L. Armacost 1963-5-7 1631 Los Angeles Tapia Park, Santa Monica Comment
  RSA561601  Cryptantha microstachys Steve Boyd, Walter Appleby 1993-6-1 8170 Los Angeles north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Foresst. Along Whitney Canyon Road 853 Comment
  HSC101308  Cryptantha muricata R. G. Swinney 2009-4-28 10516 Los Angeles Transverse Range, San Gabriel Mountains: Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  UCR223492  Cryptantha muricata R. G. Swinney 2009-6-8 11073 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy 1720 Comment
  UCR259756  Cryptantha muricata R. G. Swinney 2010-5-11 12636 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
  UCR270455  Cryptantha muricata R. G. Swinney 2011-5-12 14663 Los Angeles San Gabriel Mountains, east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  RSA0079599  Cryptantha muricata var. muricata A. C. Sanders, A. Thompson 2003-4-15 25987 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park. 305 Comment
  RSA0079352  Cryptantha muricata var. muricata Marcus E. Jones 1882-5-3 s.n. Los Angeles Pasadena. Comment
  RSA0079446  Cryptantha muricata var. muricata Richard C. Barkelew 1929-5-5 s.n. Los Angeles Tujunga Canon. Comment
  UC2049428  Cryptantha nevadensis var. rigida LeRoy Gross with Joy England, Naomi Fraga 2016-4-21 7534 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
  SD247615  Cryptantha pterocarya Ed Kentner, Onkar Singh 2014-4-4 369 Los Angeles Western Mojave Desert, approx 3.3 km northeast of Valyermo along Bob's Gap Road approx. 1.6 km southeast of the aqueduct. 1125 Comment
  UCR151232  Cryptantha pterocarya var. pterocarya LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 863 Los Angeles Transverse Ranges/San Gabriel Mtns region, Big Rock Creek, N and east of Valyermo Ranger Station off Big Pines Hwy 1143 Comment
  POM368346  Cryptantha similis Robert Gustafson 1973-5-17 s.n. Los Angeles Charlton Flats campground, Angeles Natl. Forest 1676 Comment
  UC1199895  Cryptantha similis Peter Kamb Ray 1948-5-6 931 Los Angeles above Little Rock (foothills of the San Gabriel Mts.); San Gabriel Mts. 975 Comment
  UCR269994  Cryptantha similis R. G. Swinney 2010-5-19 12799 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
  RSA0092551  Cryptantha simulans Richard G. Swinney 2011-6-6 14989 Los Angeles San Gabriel Mountains: Charlton Flat (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  UCR270966  Cryptantha simulans R. G. Swinney 2011-6-6 14989 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  RSA650978  Cryptantha utahensis Marion P. Harthill 1977-3-19 s.n. Los Angeles Zzyzx. 304 Comment
  SFV6273  Cuscuta californica M. H. Grayum, L. A. Lester 1974-6-22 s. n. Los Angeles Santa Susana Mountains Chivo Canyon. 671 Comment
  SEINET12277951  Cuscuta ceanothi I. W. Clokey, Templeton, B. 1929-1 4590 Los Angeles Mandeville Canyon, Santa Monica Mountains 200 Comment
  JEPS47096  Cuscuta denticulata K. Brandegee Los Angeles Ravenna Comment
  LA212374  Cuscuta obtusiflora var. glandulosa Louis C. Wheeler; 1932-8-28 1293 Los Angeles 1 mile SW La Verne. 274 Comment
  CDA5578  Cuscuta reflexa T. C. Fuller 1969-10-23 19021 Los Angeles On the north side of biology building, California State College at Los Angeles, northwest of the San Bernardino & Long Beach Freeways, Los Angeles. 0 Comment
  UCR178888  Cuscuta subinclusa R. G. Swinney 1989-7-31 s.n. Los Angeles San Gabriel Mtns., Glendora, Colby Fire Break c. 100 yds. south of Glendora Mtn. Rd. 473 Comment
  UCSB4999  Cuscuta subinclusa Ballard 1954-2-16 Los Angeles On Pomona College Campus 259 Comment
  UC277067  Cycladenia humilis var. venusta I. Johnston 1917-7-4 1428 Los Angeles s. slope of Baldy (s. CA); s. CA 2286 Comment
  SFV12471  Cylindropuntia prolifera M. H. Grayum, D. L. Koutnik 1978-3-6 973 Los Angeles Palos Verdes Pensinsula. On steep, coastal bluffs between Point Fermin and White's Point. Comment
  UCR179241  Cyperus difformis R. G. Swinney 1989-6-25 s.n. Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon Debris Basin 366 Comment
  UC1334781  Cyperus eragrostis A. H. Gallup 1949-5-20 Los Angeles n.w. edge of lake Los Angeles State & County Arboretum (LASCA) Comment
  UCR273911  Cyperus eragrostis Steven A. Junak 1999-5-8 SCa- 911 Los Angeles California Islands, Santa Catalina Island. Lower part of Fern Canyon, just 0.3 mile upstream from junction with Cottonwood Canyon 122 Comment
  RSA365115  Cyperus erythrorhizos H. L. Bauer 1928-10-15 s.n. Los Angeles Long Beach. Comment
  RSA32487  Cyperus erythrorhizos G. C. Fleischman 1946-10-20 s.n. Los Angeles Puddingstone Reservoir near San Dimas. Comment
  RSA692814  Cystopteris fragilis Charlotte M. Hoak 1931-2-22 33 Los Angeles San Dimas Canyon Comment
  UCR223127  Cystopteris fragilis R. G. Swinney 2009-7-22 11357 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  RSA725835  Dactylis glomerata R. G. Swinney 1997-6-25 5655 Los Angeles San Gabriel Mtns.: west of Wrightwood, Blue Ridge Trail area, 0.2 mi. SE of Hwy 2 at Blue Ridge Trail 2134 Comment
  RSA0065715  Datisca glomerata Justin M. Wood 2011-7-7 4343 Los Angeles San Gabriel Mountains: Little Rock Creek: just upstream of Little Rock reservoir. 999 Comment
  RSA421883  Datura wrightii Howard Mullins 1931-4-27 s.n. Los Angeles Griffith Park. Comment
  UCR186661  Datura wrightii A. C. Sanders 2006-5-16 32351 Los Angeles Tehachapi Mtns. Foothills, off Gorman Post Rd. near the Bailey Substation, c. 1 mile west of Quail Lake 1067 Comment
  CAS-BOT-BC130913  Deinandra clementina Alice Eastwood 1917-7-20 6533 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC299301  Deinandra fasciculata Moxley; Grinnell 1916-6-15 484 Los Angeles Near Santa Susanna Pass Comment
  CAS-BOT-BC299315  Deinandra fasciculata Grant 1900-3-28 s.n. Los Angeles Avalon Comment
  SBBG94272  Deinandra fasciculata F. R. Fosberg 1931-5-21 4930 Los Angeles Parson's Landing 20 Comment
  SFV11727  Deinandra minthornii G. F. Fisler, J. W. Dole 1980-5-8 s. n. Los Angeles Santa Susana Mountains Chatsworth. Iverson Road and the Simi Valley Freeway. Comment
  CAS-BOT-BC9130  Delphinium cardinale LeRoy Abrams 1902-7-3 2647 Los Angeles Little Santa Anita Canyon, San Gabriel Mountains Comment
  RSA683181  Delphinium cardinale LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1102 Los Angeles North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. Follow a ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge., Tributary is north of the 210 freeway. South of freeway tributary will drain into La Tuna Canyon. All survey was done north of the 210. 457 Comment
  UC535386  Delphinium cardinale Ira W. Clokey, B. Templeton June 1929 4580 Los Angeles hill side Santa Monica Mountains, Mandeville Canyon 300 Comment
  POM199601  Delphinium cardinale I. W. Clokey, Bonnie C. Templeton 1929-08 4601 Los Angeles Mandeville Canyon. 300 Comment
  SBBG17157  Delphinium cardinale M. Vincent 1962-6-18 263 Los Angeles Mulholland Hwy, 1.5 mi W of Old Topanga turn off Comment
  RSA781235  Delphinium parishii R. G. Swinney 2009-5-13 10787 Los Angeles Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  UC912670  Delphinium parishii Herbert L. Mason 1926-4-27 3052 Los Angeles 30 mi w Victorville Comment
  RSA131040  Delphinium parryi Percy C. Everett, E. K. Balls 1959-6-2 23833 Los Angeles 1 mi NE of entrance to Stokes Canyon, Santa Monica Mts. 229 Comment
  CAS-BOT-BC116283  Delphinium parryi subsp. parryi Geo. L. Mosley 1922-6-12 1110 Los Angeles San Francisquito Canyon Comment
  RSA0102437  Delphinium variegatum subsp. thornei Orlando Mistretta 1992-4-5 138 Los Angeles Guds, San Clemente Island. Comment
  SDSU16150  Dendromecon harfordii var. rhamnoides D. F. Howe 1953-5-2 2271 Los Angeles Near head of Wain Canyon, Catalina Island. Comment
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Jun 10 2014
  IRVC26286  Dendromecon rigida Mark A. Elvin, Cathleen Weigand 2003-5-22 2898 Los Angeles crest of mountains at head of Salt Canyon, Newhall Ranch Santa Susana Mtns. 915 Comment
  RSA652536  Dendromecon rigida Mike Maculsay 1981-5-2 29 Los Angeles West Fork San Gabriel River, 4 miles west of CA Hwy 39, along north side of fireroad on canyon bottom away from water. Canyon trailhead is 11.5 miles north of intersection of Hwy 39 and Sierra madre Ave. in [Azusa]. 610 Comment
  RSA0034892  Dendromecon rigida J. Harris 1977-3-9 75 Los Angeles Little Tujunga Cyn., 4 miles north of Ranger Station. 762 Comment
  RSA730261  Descurainia pinnata R. G. Swinney 1999-6-18 7278 Los Angeles San Gabriel Mtns.: Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1683 Comment
  RSA771902  Descurainia pinnata R. G. Swinney 2009-5-5 10632 Los Angeles Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  RSA650977  Descurainia pinnata G. F. Orr 1956-3-25 s.n. Los Angeles Newhall. 426 Comment
  RSA585371  Descurainia pinnata subsp. glabra Timothy S. Ross 1991-4-27 4660 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line 1183 Comment
  POM369417  Descurainia pinnata subsp. menziesii Geo L. Moxley 1917-2-4 525 Los Angeles Van Nuys. Comment
  RSA151967  Desmazeria rigida P. H. Raven 1962-5-20 17796 Los Angeles Santa Catalina Island, Middle Ranch 229 Comment
  POM409  Dicentra chrysantha J. F. Illingworth 1898-04 6 Los Angeles Claremont. 366 Comment
  RSA582762  Dicentra chrysantha Tim S. Ross, Steve D. Boyd 1993-5-23 7262 Los Angeles Saddle between Red Mtn's long E ridge and a small notched peak (3227-ft), ca 700 m SSW of Plum Spring (in upper Clearwater Canyon). 884 Comment
  RSA433591  Dicentra ochroleuca H. E. Hasse 1891-1 s.n. Los Angeles Near Santa Monica Comment
  RSA433593  Dicentra ochroleuca Bonnie C. Templeton, I. W. Clokey 1930-4-2 s.n. Los Angeles Mandeville Canyon, Santa Monica Mts Comment
  RSA652066  Dichelostemma capitatum subsp. capitatum Calvin Lohman 1948-5-20 sn Los Angeles 3.5 miles SW of San Dimas. 237 Comment
  UCSB10702  Dichelostemma capitatum subsp. capitatum Lloyd, Robert 1959-3-21 Los Angeles Mt. Range San Gabriel; San Dimas Canyon; Stream bed west of San Dimas Canyon Road 365 Comment
  UCR124257  Digitaria ischaemum L. C. Wheeler 1966-10-27 s.n. Los Angeles San Gabriel Mtns, Angeles National Forest; Rincon Ranger Station [Camp Rincon] 473 Comment
  UCD64091  Digitaria sanguinalis F. W. Peirson 1917-9-1 1592 Los Angeles 1077 New York Avenue, Altadena. Comment
  CAS-BOT-BC150640  Diplacus longiflorus Prof. W. R. Dudley 1907-11-28 s.n. Los Angeles Near Monrovia Comment
  RSA600367  Distichlis spicata Steve Boyd, Lauren Raz 1997-5-28 9871 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
  UC1795542  Distichlis spicata I. Johnston 1917-5-13 Los Angeles El Monte Comment
  UC1123251  Dodecatheon clevelandii subsp. clevelandii A. D. Gifford 1935-3-17 489 Los Angeles 2 1/2 mi sw Red Mountain; Angeles National Forest, Tejon Quad. Comment
  RSA654216  Draba corrugata var. corrugata Valerie L. Soza, LeRoy Gross 2000-5-23 952 Los Angeles East of Kelly Camp, W of Bighorn Peak, 0.7 miles from Icehouse Saddle along Ontario Peak Trail 2377 Comment
  CAS-BOT-BC41672  Draba cuneifolia var. integrifolia Peter H. Raven 1962-3-27 16993 Los Angeles Palos Verdes Hills along Palos Verdes Drive 1.4 miles east of Portuguese Bend. Comment
  UCR277016  Drymocallis glandulosa R. G. Swinney 2010-9-30 13922 Los Angeles San Gabriel Mountains, 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs 2290 Comment
  UC1128211  Drymocallis glandulosa var. wrangelliana A. D. Gifford 1934-4-23 148 Los Angeles 1 1/2 mi w and 3/4 mi n Castro Pk.; Triunfo Pass Quadrangle Comment
  CAS-BOT-BC67946  Dryopteris arguta Henry J. Thompson 1959-3-27 1895 Los Angeles Santa Monica Mountains - Saddle Peak, 1.5 miles east of peak 731 Comment
  RSA693699  Dryopteris arguta James Clizbe 1930-5-6 16058 Los Angeles Nichols Canyon Comment
  SD106233  Dudleya caespitosa K. Nakai 1980-6-5 620 Los Angeles Santa Monica Mountains; Pt. Dume towards the end of the point. 4 Comment
  LA210118  Dudleya cymosa subsp. ovatifolia K. Nakai; 1980-5-25 608 Los Angeles Santa Monica Mountains, Arroyo Sequit, Arroya sequit in UCLA-NLWRS Reserve next to camp JCA (Jewish Community Association) ca. 2.5 km S of junction of Mullholland Highway and Little Sycamore Rd. on Mullholland Highway 88 Comment
  SBBG133595  Dudleya cymosa subsp. ovatifolia R. Moran with D. Verity 1957-6-12 6050 Los Angeles Malibu Cyn, Sierra Santa Monica Comment
  UC205231  Dudleya hassei R. L. Pendleton 1909-7-2 1356 Los Angeles rd to e Avalon; Santa Catalina Island 9 Comment
  UC933194  Dudleya hassei Carl B. Wolf 1950-4-28 3629 Los Angeles facing Pebbly Beach; Santa Catalina Island Comment
  CAS-BOT-BC428402  Dudleya lanceolata Marcus E. Jones 1926-5-21 s.n. Los Angeles Claremont Comment
  UC205023  Dudleya lanceolata I. Johnston 1917-6-16 1294 Los Angeles Playa del Rey Comment
  UC2059989  Dudleya lanceolata K. Nakai 1981-6-24 778 Los Angeles Fish Canyon, San Gabriel Mountains, ca. 1.5 km from the mouth of Canyon. Comment
  UCR100613  Dudleya lanceolata B. G. Pitzer 1996-5-5 2867 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
  UCR194008  Dudleya lanceolata R. G. Swinney 1998-8-17 6768 Los Angeles San Gabriel Mtns., upper Coldwater Canyon at NE end of Heaton Flat Trail 1372 Comment
  LA104983  Dudleya lanceolata K. Nakai; 1981-7-4 787 Los Angeles San Gabriel Mountains, 0.2 mi W of Clear Creek 320 Comment
  RSA397771  Dudleya lanceolata Jack Rempel 1932-5-9 s.n. Los Angeles El Segundo. Comment
  RSA83378  Dudleya lanceolata F. W. Peirson 1925-4-23 5810 Los Angeles San Gabriel River 365 Comment
  RSA596382  Dudleya pulverulenta T. S. Ross, S. D. Boyd 1995-6-28 8653 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. 707 Comment
  SDSU5749  Dudleya virens Jim Dice, Michael Donoghue & Terry Martin 1983-5-20 349 Los Angeles Santa Catalina Island, on bluff 0.1 km. east ofbeach at Little Harbor. 23 Comment
  RSA596200  Echinochloa crus-galli Lauren Raz, Steve Boyd 1996-10-23 11 Los Angeles Liebre Mountains. Entrance to Ruby Canyon on Forest Service Road 6N24 ca. 1/10 mile from junction with Lake Hughes Road 609 Comment
  SBBG70216  Ehrendorferia chrysantha Anstruther Davidson -Jun-1893 Los Angeles Switzers Peak Comment
  CATA1  Ehrharta calycina Lauren K. Danner 2006-3-8 1 Los Angeles Santa Catalina Island: Roadside of Middle Ranch 207 Comment
  RSA600310  Ehrharta erecta Scott D. White 1997-3-12 44734 Los Angeles Zuma Beach Area: Mouth of Zuma Creek, E end of the County Beach. 8 Comment
  UCD61218  Ehrharta erecta Charles F. Hewitt 1975-3-13 LASCA 1038 Los Angeles South African section. Arcadia. Los Angeles State and County Aboretum. Comment
  UCR205743  Ehrharta erecta A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36971 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  CHSC109687  Ehrharta longiflora Scott D. White; Justin Wood 2008-5-8 11943 Los Angeles Puente/Chino Hills; SCE powerline corridor near Skyline Dr., and E of Hacienda Blvd.; Hacienda Heights. 320 Comment
  RSA101731  Elatine californica H. E. Hasse 1889-1 s.n. Los Angeles Los Angeles. Comment
  RSA0068308  Eleocharis R. G. Swinney 2010-5-12 12713 Los Angeles 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
  UCR214651  Eleocharis A. C. Sanders, Dan S. Cooper 2010-4-30 38142 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR261761  Eleocharis R. G. Swinney 2010-9-13 13838 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
  CATA840  Eleocharis macrostachya Mark L. Hoefs 1991-6-26 1440 Los Angeles Santa Catalina Island: Upper Cape Canyon at Cape Canyon Reservoir 390 Comment
  UCR204051  Eleocharis macrostachya R. G. Swinney 2005-5-21 8272 Los Angeles San Gabriel Mountains, Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, west of and adjacent to Longview Road 1216 Comment
  SEINET7586257 Image available Eleocharis macrostachya Louis C. Wheeler 1968-4-13 s.n. Los Angeles San Gabriel Mountains, west fork of Morgan Canyon near Ferguson Motorway. 434 Comment
  RSA533910  Eleocharis palustris Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5182 Los Angeles San Clemente Island; SE end of island in the vicinity of Knob, 5100 ft NW of Guds. About 250 feet SSE of Knob, approaching Knob Canyon 282 Comment
  UCR179243  Eleocharis parishii R. G. Swinney 1989-7-13 s.n. Los Angeles San Gabriel Mtns., in and near Glendora Wilderness Park, Morgan Canyon Debris Basin 366 Comment
  UCR204750  Eleocharis parishii R. G. Swinney 2005-8-9 8425 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
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May 10 2012
  RSA784339  Ellisia chrysanthemifolia J. D. Olmsted 1959-4-3 339 Los Angeles Thomson Creek drainage area. 0.25 mi up Johnson s Pasture fire road N on Oxford from Baseline - east[ern Los Angeles] county. 549 Comment
  CAS-BOT-BC207375  Elymus elymoides subsp. elymoides Timothy S. Ross 1991-4-28 4734 Los Angeles Black Butte Basin Road at its intersection with Avenue 'U', NW corner, 0.85 mile and ca 152 deg. SW of Three Sisters buttes, Mojave Desert 960 Comment
  POM359924  Elymus elymoides subsp. elymoides Geo. L. Moxley 1915-7-21 406 Los Angeles Barley Flats, San Gabriel Mountains. Comment
  UCR281592  Elymus elymoides subsp. elymoides R. G. Swinney 2014-4-30 16304 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
  SD264701  Elymus glaucus Steven A. Junak, Ralph N. Philbrick 2001-5-18 Sca 1547 Los Angeles UTM in supplement. Santa Catalina Island. S side of Fern Canyon (one of the middle S forks of Cottonwood Canyon), above first creek crossing in road up Fern Canyon, ca. 0.5 mle upstream from junction with Cottonwood Canyon Road. 182 Comment
  UCR143545  Elymus glaucus Carl Epling 1931-4-25 s.n. Los Angeles Western Transverse Range, Los Alisos Canyon, Santa Monica Mtns. 305 Comment
  CAS-BOT-BC206748  Elymus glaucus subsp. glaucus G. B. Grant 1902-6-10 5109 Los Angeles Summit Mt. Wilson Comment
  CAS-BOT-BC206749  Elymus glaucus subsp. glaucus LeRoy Abrams 1901-6-1 1831 Los Angeles West Fork of San Gabriel Riv. Comment
  CAS-BOT-BC206750  Elymus glaucus subsp. glaucus Geo. B. Grant 1902-6-10 s.n. Los Angeles Summit Mt. Wilson Comment
  RSA29890  Elymus glaucus subsp. glaucus L. C. Wheeler 1932-6-11 810 Los Angeles Thompson Wash, 2 mi. NE La Verne 374 Comment
  POM1296  Elymus glaucus subsp. jepsonii I. M. Johnston 1918-5-12 1953 Los Angeles San Antonio Mountains. San Antonio Canyon 915 Comment
  CATA1308  Elymus triticoides Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2399 Los Angeles Santa Catalina Island: By road, middle of Cape Canyon 243 Comment
  SEINET13203258 Image available Emmenanthe penduliflora var. penduliflora R. G. Swinney 2011-1 14609 Los Angeles San Gabriel Mountains: north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road (Glendora 7.5' Q.) (T1N R9W S5; T1N R9W S8) 792 Comment
  SFV22138  Emmenanthe penduliflora var. penduliflora V. Soza, E. Edwards, L. Gross, B. O'Brien 2000-4-25 759 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
  CAS-BOT-BC131207  Encelia californica Catherine A. Toschi 1963-4-5 63 :99 Los Angeles 4 miles northwest Topanga 304 Comment
  HSC5475  Encelia californica David Porter 1965-5-5 Los Angeles 0.5 mi. N of Topanga Canyon Blvd. Topanga Canyon, Santa Monica Mtns. 412 Comment
  LA94428  Encelia californica W. R. Ernst; April 1948 sn Los Angeles Mt. Washington, N Los Angeles Comment
  UC1211014  Encelia californica Huron H. Smith 1912-5-1 4900 Los Angeles Eagle Rock Valley 152 Comment
  UCR110884  Ephedra californica A. C. Sanders, D. Malueg, K. D. Jones 1998-6-22 21994 Los Angeles San Gabriel Mtns., Soledad Pass area at the N foot of the mtns, c. 5 miles SW of Palmdale, along SCE Mesa-Vincent power line at pole 18-03, just south of Vincent Substation 1000 Comment
  CAS-BOT-BC81804  Ephedra nevadensis L. R. Abrams 1924-4-2 10125 Los Angeles Mint [Canon] Canyon Comment
  UCR192892  Epilobium R. G. Swinney 1999-8-16 7653 Los Angeles San Gabriel Mtns., Wrightwood area, Flume Canyon, spring c. 200 m north of Guffy Campground 2445 Comment
  POM2992  Epilobium adenocaulon var. parishii W. R. Shaw 1900-7-3 39 Los Angeles Claremont. Comment
  UCR231166  Epilobium brachycarpum Dan S. Cooper 2011-9-27 911- 112 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, slope south of Forest Lawn Dr. just west of Travel Town 178 Comment
  LA206170  Epilobium canum Louis C. Wheeler; 1931-9-26 160 Los Angeles SAN GABRIEL MOUNTAINS, 2 mi. N of Claremont. 411 Comment
  UCR272958  Epilobium canum R. G. Swinney 2011-7-7 15468 B Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), central camp area 1098 Comment
  LA206177  Epilobium canum Willis H. Wheeler; 1929-11-17 sn Los Angeles San Gabriel Mountains, Thompson Creek 365 Comment
  LA200707  Epilobium canum subsp. canum Martha Hilend Kinsey; 1935-11-16 sn Los Angeles SANTA MONICA MOUNTAINS, Bel Air Estates. Comment
  RSA588437  Epilobium canum subsp. canum M. B. Dunkle 1939-4-3 7241 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  RSA588438  Epilobium canum subsp. canum Bonnie C. Templeton 1929-11-24 1452 Los Angeles Mandeville canyon, Santa Monica Mountains. 250 Comment
  SD31215  Epilobium canum subsp. canum Edith A. Purer 1932-8-31 4865 Los Angeles Palos Verdes Hills. Comment
  CAS-BOT-BC171921  Epilobium canum subsp. latifolium Joseph Andorfer Ewan; Nesta Ewan 1936-8-14 10042 Los Angeles Throop Peak, San Gabriel Mts. 2743 Comment
  RSA756149  Epilobium ciliatum R. G. Swinney 2008-7-12 9170 Los Angeles San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  UCD104841  Epilobium ciliatum subsp. ciliatum Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1996 Comment
  RSA286788  Epilobium glaberrimum subsp. glaberrimum Robert F. Thorne, Larry E. DeBuhr 1974-6-28 44761 Los Angeles Angeles National Forest: Lily Springs area on N slope of Mt. Hawkins, drainage of S Fork Big rock Creek. 2439 Comment
  RSA381714  Epipactis gigantea George R. Johnstone 1926-7-16 s.n. Los Angeles Los Pinos Canyon above San Gabriel Canyon. Comment
  RSA608231  Equisetum hyemale var. affine L. C. Wheeler 1946-9-2 6336 Los Angeles San Gabriel Mountains: West Fork San Gabriel River. 518 Comment
  RSA656849  Equisetum hyemale var. affine Valerie L. Soza, Laura Moore 2000-6-14 1016 Los Angeles San Gabriel Mountains: Spring at Big Cienega, ca. 0.6 mile NE of Deer Flat Campground along South Hawkins Road (FS Road 3N07.2). 1982 Comment
  CAS-BOT-BC57319  Equisetum laevigatum Le Roy Abrams 1901-4-8 1444 Los Angeles Los Angles River, near Tropico Comment
  POM247961  Equisetum telmateia var. braunii F. R. Fosberg 1931-4-15 R 89 Los Angeles Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island 180 Comment
  SBBG56821  Eragrostis mexicana R. Hoffmann 1927-8-30 Los Angeles near Castaic Comment
  UCD63887  Eragrostis mexicana subsp. virescens A. A. Beetle 1946-4-18 4230 Los Angeles Azusa. Comment
  CAS-BOT-BC284130  Eragrostis pectinacea var. pectinacea Ernest C. Twisselmann 1961-10-31 6696 Los Angeles Antelope Valley, Avenue A at 90th Street, Mojave Desert 685 Comment
  UCR141031  Eremalche exilis June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, near the Three Sisters hills, Antelope Valley, NE of Llano 976 Comment
  UC868833  Eremocarpus setiger Geo. B. Grant 1906-8-23 Los Angeles Pasadena Comment
  CHSC92516  Eremogone macradenia var. arcuifolia Colby J. Boggs 2005-4-24 62 Los Angeles Liebre Mountain, Angeles National Forest. 1694 Comment
  RSA0034379  Eremogone macradenia var. arcuifolia Steve Boyd, Timothy S. Ross, Laura Moore, Valerie Soza 1997-7-8 10009 H Los Angeles Liebre Mountains region: Southeastern flank of Liebre Mountain, along ridge dividing Fish Canyon and Bear Canyon drainages, northeast of Atmore meadows, along rough dirt track following old fuelbreak. 1524 Comment
  RSA0104857  Eriastrum densifolium subsp. austromontanum Katherine Brandegee s.n. Los Angeles Ravenna. 752 Comment
  UC55344  Eriastrum densifolium subsp. austromontanum J. H. Barber 1897-6-26 192 Los Angeles Aliso Canyon Comment
  RSA0104652  Eriastrum densifolium subsp. austromontanum J. H. Barber 1897-6-16 s.n. Los Angeles Aliso Canyon. Comment
  RSA0107951  Eriastrum densifolium subsp. austromontanum L. C. Wheeler 1968-7-24 s.n. Los Angeles San Gabriel Mountains: South end of Mt. Hillyer. 1890 Comment
  RSA0097776  Eriastrum densifolium subsp. densifolium R. G. Swinney 2011-7-8 15489 Los Angeles San Gabriel Mountains: 'Strawberry Potrero'?, uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  RSA0107963  Eriastrum densifolium subsp. elongatum J. Mark Porter, J. Travis Columbus, Gracie dos Santos 1996-6-5 10923 Los Angeles Ca. 2 mi. N Solemint, just off Arline Rd., 0.3 mi. from intersection with Sierra Hwy. 610 Comment
  UCR127218  Eriastrum sapphirinum A. C. Sanders, Mark A. Elvin, and others 2003-5-1 26284 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
  RSA0110973  Eriastrum sapphirinum subsp. brevibracteatum R. G. Swinney 1997-8-6 5762 Los Angeles Table Mountain area, ridge immediately east of Jesus Canyon, at north end of road 4N57, NW of Wrightwood. 1890 Comment
  RSA0122867  Eriastrum sapphirinum subsp. brevibracteatum Justin M. Wood 2010-5-10 1613 Los Angeles Vicinity of Littlerock Creek; just southwest of intersection of Cheseboro Rd. and Mt. Emma Rd. 973 Comment
  RSA0121304  Eriastrum sapphirinum subsp. dasyanthum Valerie L. Soza, LeRoy J. Gross 2001-5-9 1196 a Los Angeles Verdugo Mountains region: Southern San Rafael Hills: South of mouth of Scholl Canyon. West end of Valle Vista fire road, ridgetop north of Hwy 134. 274 Comment
  CHSC26105  Ericameria linearifolia Emese M. Sajo 1966-5-21 97 Los Angeles On the Silver Moccasin Trail between Charton and Chilao in the San Gabriel Mountains. 1615 Comment
  RSA300651  Ericameria linearifolia J. R. Shevock 1976-4-25 5025 Los Angeles Common along FS trail 10W09 to Devils Chair. San Gabriel Mountains. Angeles National Forest. Comment
  SD42006  Ericameria linearifolia Darley F. Howe 1947-5-5 Los Angeles North side San Gabriel Mountains. Comment
  SEINET3196402 Image available Ericameria linearifolia Richard G. Swinney 2009-4-2 10266 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert; Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road (Valyermo 7.5' Q.) 1223 Comment
  UCR223259  Ericameria nauseosa R. G. Swinney 2009-8-25 11467 Los Angeles Transverse Range; San Gabriel Mtns., west summit of Table Mountain, NE of Big Pines 2291 Comment
  UCR239986  Ericameria nauseosa R. G. Swinney 2009-11-13 11603 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Little Rock Creek and Carr Canyon, N of Mt. Emma Rd. 909 Comment
  RSA730172  Ericameria nauseosa var. bernardina R. G. Swinney 1998-8-31 6881 Los Angeles San Antonio Ridge, 2.1 mi. west of West Mt. Baldy. 2232 Comment
  SBBG62921  Ericameria nauseosa var. mohavensis R. Hoffmann 1927-9-21 Los Angeles Forest Inn, Ridge Route (US Hwy 99) Comment
  CAS-BOT-BC299521  Ericameria palmeri var. pachylepis Robert F. Thorne; D. Propst 1968-5-27 37622 Los Angeles Skull Canyon between Cape and Middle Canyons, Santa Catalina Island 243 Comment
  POM359436  Ericameria palmeri var. pachylepis Blanche Trask 1900-10 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  RSA114149  Ericameria palmeri var. pachylepis Peter H. Raven 1957-11-14 11405 Los Angeles UCLA campus, W Los Angeles County Comment
  RSA381398  Ericameria palmeri var. pachylepis R. F. Thorne 1967-1 41657 Los Angeles Santa Catalina Island: Skull Canyon Comment
  CHSC95436  Ericameria parishii LeRoy Gross 2001-9-1 446 Los Angeles Los Angeles Basin: Verdugo Mountains; north side, Along Hostetter Mountain Way. On steep old bulldoze ridge line that runs east off of Hostetter. 610 Comment
  HSC79921  Ericameria pinifolia James Henrickson 1973-11-2 8094 Los Angeles 8 mi. NW of Newhall on Chaparral hillside above fields NW of junction of Hwy. 5 and Hasley Cyn. Rd. 366 Comment
  UC101095  Ericameria pinifolia Joseph Burtt Davy Oct 1896 2753 Los Angeles Santa Monica Comment
  UC111256  Ericameria pinifolia J. and H. W. Grinnell 1906-10-14 384 Los Angeles near Pasadena (foothills at Sierra Madre); Sierra Madre Comment
  UCSB63058  Erigeron Clare B. Hardham 1959-6-16 4870 Los Angeles collected between Pear Blossom and Llano Pear Blossom, and Llano Comment
  SBBG128244  Erigeron bonariensis M. L. Hoefs, S. A. Junak, K. Kirkland 1998-10-22 2999 Los Angeles Cherry Valley, above beach 6 Comment
  UCR209867  Erigeron breweri R. G. Swinney 2008-7-13 9193 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, middle fork of Bell Canyon at debris basin 762 Comment
  POM357478  Erigeron foliosus var. foliosus F. R. Fosberg 1931-8-12 S 5651 Los Angeles Mt. Islip, near summit. 2440 Comment
  RSA191631  Erigeron foliosus var. foliosus R. F. Thorne, M. Z. Thorne 1966-8-29 36594 Los Angeles small, dry depression south of Crystal Lake 1722 Comment
  SFV3882  Erigeron foliosus var. foliosus R. L. Armacost 1959-6-3 1171 Los Angeles Santa Monica Mountains Mulholland Drive. Comment
  RSA601042  Erigeron foliosus var. stenophyllus Steve Boyd, Lauren Raz 1997-6-18 9971 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  POM357477  Erigeron foliosus var. stenophyllus Robert Gustafson 1978-6-21 1026 Los Angeles Lower Hungry Valley, near the Canada de Los Alamos, about 4 mi. south of Gorman. 915 Comment
  SEINET11836745  Erigeron foliosus var. stenophyllus M. T. Doutt 1931-1 s.n. Los Angeles Sierra Madre Mts., trail from Mt. Howe to Mt. Wilson 1615 Comment
  RSA628797  Erigeron philadelphicus H. L. Cogswell 1948-2-28 106 Los Angeles San Gabriel River Wildlife Sanctuary, Nr Durfee & Lexington, El Monte. Comment
  RSA93096  Erigeron philadelphicus F. W. Peirson 1908-5-22 1292 Los Angeles Bixby Ranch near Long Beach. Comment
  RSA600577  Eriodictyon crassifolium Louis C. Wheeler 1962-6-30 8158 Los Angeles San Gabriel Mountains. Pacoima Canyon at Bad Canyon. 976 Comment
  UCR95471  Eriodictyon crassifolium L. C. Wheeler 1967-4-30 9219 Los Angeles San Gabriel Mtns, Limekiln Canyon 732 Comment
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Oct 1 2014
  CAS-BOT-BC376121  Eriodictyon crassifolium var. nigrescens Marck Menke 2002-3-29 133 Los Angeles San Gabriel Mts., Glendora Mountain Road at a pullout on the north side of Glendora Mountain, southeast of the intersection with Glendora Ridge Road Comment
  RSA563494  Eriodictyon crassifolium var. nigrescens Tim S. Ross, W. Appleby 1993-5-13 7115 Los Angeles Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon. 854 Comment
  RSA717026  Eriodictyon crassifolium var. nigrescens Gary Kovnat, LeRoy Gross 2003-2-16 20 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. Comment
  SJSU8885  Eriodictyon crassifolium var. nigrescens H. E. McMinn 1935-6-19 3911 Los Angeles San Fernando Wash Comment
  SD253466  Eriodictyon parryi R. G. Swinney 2011-5-31 14913 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
  RSA455103  Eriodictyon traskiae F. R. Fosberg 1931-5-6 4795 Los Angeles Cape Canyon. Santa Catalina Island. 240 Comment
  SBBG13123  Eriodictyon traskiae E. R. Blakley 1962-10-3 5390 Los Angeles E side of Black Jack Mtn at the start of rd to White's Landing 411 Comment
  PASA2090  Eriodictyon trichocalyx Sally Ellis 1939-5-5 Los Angeles Base line Comment
  RSA659801  Eriodictyon trichocalyx var. trichocalyx Fred Brooks 1988-4-16 5 Los Angeles San Antonio Canyon, above lower ranger station at along edges of canyon, continuing up canyon sides. Comment
  UC1746004  Eriodictyon trichocalyx var. trichocalyx Annetta M. Carter, Arthur Carter 1935-9-13 985 Los Angeles Open ridge 1.5 mi. E of Horse Flats. San Gabriel Mtns. Comment
  OBI6123  Eriogonum angulosum Carl B. Wolf 1932-10-21 4362 Los Angeles 1/2 mi E of Palmdale Mojave Desert 808 Comment
  RSA716669  Eriogonum angulosum Scott D. White, Pam De Vries 2006-5-10 11452 Los Angeles SE Tehachapi Mtns: Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  UCR163334  Eriogonum baileyi Anuja Parikh, Nathan Gale 2004-6-22 2061 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 13), near the Ventura County line, downstream of Mayo Spur 305 Comment
  RSA603818  Eriogonum baileyi var. baileyi Steve Boyd 1997-9-17 10034 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. 915 Comment
  CAS-BOT-BC241581  Eriogonum baileyi var. baileyi A. D. E. Elmer 1902-6-1 3667 Los Angeles Acton Comment
  RSA66044  Eriogonum baileyi var. baileyi Joseph A. Ewan, A. N. Dunn 1923-7-23 7824 Los Angeles San Gabriel Mountains: Tujunga Creek at Wickiup Canyon Junction 976 Comment
  UC284984  Eriogonum brachyanthum P. A. Munz 1923-5-27 6894 Los Angeles Pallett Creek San Gabriel Mts., Pallett Creek Comment
  CAS-BOT-BC241929  Eriogonum cithariforme Dorothy Evans Noble 1917-11-4 s.n. Los Angeles Valyermo, Mohave [Mojave] Desert Comment
  POM50045  Eriogonum davidsonii L. R. Abrams 1901-7-10 1889 -B Los Angeles San Gabriel Mountains: Wilson's Peak Comment
  RSA570167  Eriogonum davidsonii Tim S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4819 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  RSA762334  Eriogonum elongatum R. G. Swinney 2008-10-22 9674 Los Angeles Azusa, mouth of San Gabriel Canyon, 0.5 mi. upstream from entrance of Old San Gabriel Canyon Rd. at El Encanto 244 Comment
  LA202582  Eriogonum elongatum var. elongatum Norman A. Cole; May 1964 389 .5 Los Angeles Santa Monica Mountains, La Sierra Canyon, 3.1 mi E of junction of Mulholland and Cornell Rd 274 Comment
  CHSC14141  Eriogonum fasciculatum L. M. Mayer 1974-4-5 123 Los Angeles On Big Tujunga Canyon Rd. ca. 1/2 mi e from junction with Mt. Gleason Ave. Comment
  RSA746550  Eriogonum fasciculatum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37003 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
  RSA0088151  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-5-4 12513 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
  RSA773972  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-7-29 11440 Los Angeles Pacifico Mountain summit. 2134 Comment
  UCR205642  Eriogonum fasciculatum subsp. polifolium A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37003 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  SD38686  Eriogonum fasciculatum var. fasciculatum Edith A. Purer 1933-5-30 5000 Los Angeles Playa del Rey, stabilized sand dunes Comment
  CAS-BOT-BC253267  Eriogonum fasciculatum var. foliolosum John H. Thomas 1957-3-9 6499 A Los Angeles Hills north of Eagle Rock, about 3-4 miles east of Pasadena 304 Comment
  RSA228867  Eriogonum fasciculatum var. foliolosum Robert F. Thorne 1971-6-26 40637 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Tujunga Canyon 427 Comment
  UCR127966  Eriogonum fasciculatum var. foliolosum A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26088 Los Angeles Western San Gabriel Mtns., Newhall Ranch, Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon 457 Comment
  RSA717950  Eriogonum fasciculatum var. polifolium R. G. Swinney, Dave Larson 1996-8-7 5242 Los Angeles Eastern San Gabriel Mountains: San Dimas Experimental Forest, head of Dry Lake Canyon at 'Dry Lake,' site of CCC camp in 1930s. 1524 Comment
  SD124470  Eriogonum fasciculatum var. polifolium Barry Prigge 1986-3-29 7163 Los Angeles San Gabriel Mountains: E of Red River Mine Road x Antelope Valley Freeway on Escondito Canyon Road 3000 Comment
  UC6285  Eriogonum fasciculatum var. polifolium J. Burtt Davy May 9 1896-May 24 1896 2534 Los Angeles Manjana Antelope Valley, Manjana Comment
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Apr 10 2012
  UCR159919  Eriogonum fasciculatum var. polifolium Orlando Mistretta 1993-6-2 865 Los Angeles San Gabriel Mountains, San Gabriel Mountains: Vincent Gulch Mine 2079 Comment
  RSA139588  Eriogonum giganteum var. formosum Reid V. Moran 1958-9-16 6843 Los Angeles San Clemente Island, 2 miles SE of Eel Point 100 Comment
  RSA182999  Eriogonum giganteum var. giganteum S. Carlquist 1966-4-28 1820 Los Angeles Catalina Island. Above Pebbly Beach, on road to Renton Mine Comment
  LA211279  Eriogonum giganteum var. giganteum Arthur C. Gibson; 2003-8-4 4884 Los Angeles SANTA MONICA MOUNTAINS, Malibu Beach State Park, along nature trail. Comment
  UCR124027  Eriogonum gracile A. C. Sanders, Mark A. Elvin 2002-8-28 25601 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusement park 360 Comment
  SEINET253373  Eriogonum heermannii Victor Duran aug 10 1933 Los Angeles South Fork Big Rock Creek, San Gabriel Mts., Comment
  CHSC34556  Eriogonum maculatum James Henrickson 1973-5-12 9608 Los Angeles 6 (air) miles SE of Pearblossom, 4.6 (rd) miles S of Llano in lower portion of Bob's Gap along 165 St. in arroyo bottom. 1234 Comment
  RSA766494  Eriogonum microtheca var. corymbosoides Joseph A. Ewan 1936-7-27 9846 Los Angeles N. end of Table Mt., Swartout Valley. San Gabriel Mts. 2134 Comment
  RSA572346  Eriogonum microtheca var. johnstonii R. T. Hawke 1994-9-10 72 Los Angeles Southwestern ridge of Mt. San Antonio Comment
  POM149743  Eriogonum mohavense Ralph Hoffmann 1928-7-7 s.n. Los Angeles Acton. Comment
  RSA0086579  Eriogonum mohavense Bonnie C. Templeton 1971-5-16 11615 Los Angeles About 7 mi. n.e. of Palmdale. 815 Comment
  UC519651  Eriogonum mohavense Victor Duran 1933-5-23 3416 Los Angeles near Lancaster Comment
  RSA729511  Eriogonum nudum R. G. Swinney 1999-7-5 7539 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
  SBBG64124  Eriogonum nudum var. pauciflorum P. A. Munz, I. M. Johnston 1928-9-5 11188 Los Angeles W of Swartout Valley 1981 Comment
  SBBG61889  Eriogonum palmerianum R. Hoffmann 1927-9-23 Los Angeles Palmdale Comment
  CAS-BOT-BC257756  Eriogonum parvifolium Charles Piper Smith 1910-8-5 2306 Los Angeles Santa Monica Comment
  UCR281961  Eriogonum pusillum R. G. Swinney 2014-4-24 16200 Los Angeles San Gabriel Mountains, NE of Valyermo, wash and plateau at north end of Bob's Gap, 3.1-3.6 miles south of Hwy. 138, c. 0.2 miles east of Bob's Gap Rd., east of Bob's Gap Wash 1293 Comment
  UCD101214  Eriogonum saxatile M. Vincent 1962-5-19 243 Los Angeles one mile from Pearblossom turn off on road to Valyermo. Comment
  CAS-BOT-BC267624  Eriogonum saxatile W. R. Dudley 1900-7-9 s.n. Los Angeles Mount Markham back of Mount Lowe Comment
  SBBG127070  Eriogonum thurberi A. Parikh, N. Gale 2011-6-18 3487 Los Angeles Aliso Cyn, 1.4 km W of Angeles Forest Hwy, 0.1 km S of Aliso Cyn Rd; San Gabriel Mtns 1112 Comment
  SBBG1442  Eriogonum thurberi H. and M. Dearing 1940-6-9 4358 Los Angeles Tujunga Wash Comment
  CAS-BOT-BC262867  Eriogonum thurberi John Thomas Howell 1931-5-31 6622 Los Angeles San Gabriel Wash Comment
  RSA756854  Eriogonum umbellatum var. munzii R. G. Swinney 2008-7-15 9230 Los Angeles Cloutburst Summit, north of Hwy 2 and west of Winston Peak trail 2140 Comment
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Aug 16 2019
  SEINET6088125  Eriogonum wrightii Louis C. Wheeler 1968-7-23 Los Angeles San Gabriel Mtns Comment
  CAS-BOT-BC265007  Eriogonum wrightii var. subscaposum John Thomas Howell 1927-11-13 3199 Los Angeles Near Elizabeth Lake, Liebre Mts. Comment
  CAS-BOT-BC297944  Eriophyllum confertiflorum Timothy S. Ross; J. Mark Porter 1995-5-4 8431 Los Angeles Liebre Mts. Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Rd 585 Comment
  CAS-BOT-BC297952  Eriophyllum confertiflorum Geo. B. Grant 1904-6-26 4162 Los Angeles Mt Lowe Comment
  CDA5246  Eriophyllum confertiflorum Phillipson 1915-6-19 Los Angeles Monrovia. Comment
  OBI35602  Eriophyllum confertiflorum Rebecca Cicoria 1981-4-24 8 Los Angeles Sepulveda Canyon, Rolling Hills Comment
  POM357934  Eriophyllum confertiflorum Norman C. Cooper 1945-5-1 2210 Los Angeles Tapia Park area, Santa Monica Mountains. 305 Comment
  POM4916  Eriophyllum confertiflorum Crawford, H. D. Hiatt 1916-3-28 576 Los Angeles Santa Monica Mountains. 305 Comment
  RSA248837  Eriophyllum confertiflorum R. F. Thorne 1973-4-11 42848 Los Angeles San Clemente Island, middle portion of Norton Canyon. 274 Comment
  UCR260342  Eriophyllum confertiflorum R. G. Swinney 2010-5-4 12562 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  SEINET11850697  Eriophyllum confertiflorum J. F. Bright, Wyman, C. 1931-1 5510 Los Angeles foothills of Mt. Wilson Comment
  SBBG17979  Eriophyllum confertiflorum var. confertiflorum E. R. Blakley 1963-4-9 5558 Los Angeles Pebbly Beach, S of Avalon 15 Comment
  SBBG79811  Eriophyllum confertiflorum var. confertiflorum F. R. Fosberg 1932-5-5 8104 Los Angeles N of Avalon 40 Comment
  UC1211052  Eriophyllum confertiflorum var. confertiflorum Huron H. Smith 1912-5-30 5040 Los Angeles near Avalon; Santa Catalina Island Comment
  SD37563  Eriophyllum confertiflorum var. trifidum Edith A. Purer 1935-5-11 6546 Los Angeles Hillside, Malibou Lodge Road, Santa Monica Mountains. Comment
  CAS-BOT-BC308342  Eriophyllum nevinii Herman Knoche 1919-6-5 995 Los Angeles San Clemente Island Comment
  CAS-BOT-BC308354  Eriophyllum nevinii Reid Moran 1949-2-10 3160 Los Angeles Slope near landing, Santa Barbara Island Comment
  RSA679961  Eriophyllum wallacei LeRoy Gross, Orlando Mistretta, Valerie L. Sosa 2003-5-13 865 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway 1143 Comment
  RSA773534  Eriophyllum wallacei R. G. Swinney 2009-4-29 10576 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  CATA2008  Erodium brachycarpum Steven A. Junak, Mark Hoefs, Lisa Stratton 1998-3-21 492 Los Angeles Santa Catalina Island: Ridge on W side of Cape Canyon, S of Black Jack Peak 469 Comment
  RSA199014  Erodium cicutarium W. M. Gauntt 1966-3-31 119 Los Angeles 1 mile west of Cobal Canyon, north of Claremont. 427 Comment
  RSA711439  Erodium cicutarium LeRoy Gross 2005-5-19 2299 Los Angeles South of Ave A (Kern County boundary) east of the 14 freeway. South of the city of Rosamond. between 20th Street West and Sierra Highway. Started at Ave A, Near 34.820450N, 118.16535W then walked south to 34.81703N, 118.16403W. 715 Comment
  UCR126899  Erodium macrophyllum A. C. Sanders, Tricia Wotipka, Mark A. Elvin, and others 2003-4-29 26152 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east Lake Hughes Road 488 Comment
  SEINET3151147  Erodium moschatum G. B. Grant 1901-1-1 447 Los Angeles from Pasadena Comment
  CAS-BOT-BC40710  Erysimum capitatum Elizabeth McClintock 1965-7-2 s.n. Los Angeles San Gabriel Mountains, Table Mountain, above Wrightwood. 2133 Comment
  SFV1469  Erysimum capitatum P. G. Kilburn 1958-4-12 712 Los Angeles San Gabriel Mountains Soledad Canyon, 2 miles east of Soledad Campground 670 Comment
  CAS-BOT-BC40724  Erysimum capitatum Timothy S. Ross; Steve Boyd 1994-5-4 7686 Los Angeles Liebre Mountains. Spruce Draw, draining northwest off the saddle between Grass Mountain's main and northeast summits. 1143 Comment
  RSA329731  Erysimum capitatum Gary D. Wallace 1966-3-25 206 Los Angeles San Gabriel Mountains: Millard Canyon 5 miles north of Pasadena 915 Comment
  RSA0091093  Erysimum capitatum var. capitatum R. G. Swinney 2011-5-26 14868 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
  RSA530261  Erysimum capitatum var. capitatum Ora M. Clark 1929-3-30 s.n. Los Angeles W. of Lancaster Comment
  SD69672  Erythranthe cardinalis Robert F. Thorne 1966-6-1 36506 Los Angeles Santa Catalina Island; along stream at lower end of Cape Canyon above junction with Middle Ranch Canyon 235 Comment
  CAS-BOT-BC402731  Eschscholzia caespitosa C. F. Baker 1904-4-22 4180 Los Angeles Monrovia Comment
  RSA710753  Eschscholzia caespitosa Valerie L. Soza, Bill Hogshead 2003-4-23 1644 Los Angeles Brand Park, ridgetop between Brand Canyon and Childs Canyon. 595 Comment
  CAS-BOT-BC403156  Eschscholzia californica Alice Eastwood 1917-7-20 6531 Los Angeles Santa Catalina Island Comment
  RSA775511  Eschscholzia californica Orlando Mistretta, Christine Mistretta 2010-5-20 5171 Los Angeles Aliso Creek, slopes W of Angeles Forest Hwy., 0.6 miles S of jct. with Aliso Cyn. Rd. 1280 Comment
  UC72726  Eschscholzia californica Pupils of Los Angeles High School June 1902 Los Angeles Altadena Comment
  UCD96481  Eschscholzia californica Shannon M. Still 2006-3-31 072 Los Angeles California. Los Angeles County. 870 Comment
  UCSB11264  Eschscholzia californica Hancock, Dan 1961-3-31 Los Angeles 1 mi. SE of Middle Ranch on Blackjack Rd, on Catalina Island Comment
  RSA586657  Eschscholzia minutiflora Orlando Mistretta 1995-6-1 1748 Los Angeles Carr Canyon, near mouth of canyon 945 Comment
  UCR188653  Eucalyptus camaldulensis R. G. Swinney 1990-4-28 1576 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora; at the east boundary of the South Hills Park, in a canyon running east-west 305 Comment
  PASA2097  Eucrypta chrysanthemifolia Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  SEINET3860280  Eucrypta chrysanthemifolia R. G. Swinney 2009-4-16 10382 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: Duarte, lower Van Tassel fire road, Van Tassel Canyon.; 0 439 Comment
  RSA608  Eucrypta chrysanthemifolia J. T. Howell 1928-6-29 1013 Los Angeles Near Seminole Hot Springs. Santa Monica Mountains 305 Comment
  UCR85808  Eucrypta chrysanthemifolia var. chrysanthemifolia T. S. Ross 1991-3-24 4311 Los Angeles Whittier Hills (Puente Hills, pro parte) 311 Comment
  UC788120  Eulobus californicus Blanche Trask May, 1897 Los Angeles Avalon Santa Catalina Island Comment
  POM221982  Euphorbia crenulata L. C. Wheeler 1936-6-21 4163 Los Angeles W Fork Palmer Canyon, San Gabriel Mountains. 701 Comment
  RSA436004  Euphorbia crenulata H. S. Budd s.n. Los Angeles Catalina Island. Comment
  SD124827  Euphorbia maculata A. C. Sanders 1986-7-30 6810 Los Angeles El Segundo Dunes, immediately west of L.A. International Airport & Pershing Dr., east of Vista de Mar Blvd., coastal dunes formerly largely occupied by residential neighborhoods where houses were removed ca. 15 years ago, growing from a pavement crack 29 Comment
  RSA738070  Euphorbia melanadenia Serena Light 1966-5-31 s.n. Los Angeles San Rafael Hills Comment
  UCR124723  Euphorbia palmeri B. C. Templeton 1932-8-25 5069 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 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
  PASA2700  Eurotia lanata Margaret Stason May 1931 Los Angeles Near Lancaster Comment
  SD51869  Extriplex californica Peter H. Raven 1962-7-11 18010 Los Angeles San Clemente Island; on grassy slopes, Wilson Cove. 60 Comment
  CAS-BOT-BC239707  Fabaceae G. W. Garrettson 1954-7-9 s.n. Los Angeles On south side of Valley Boulevard, 1/4 mile east of Collins St., Spandra Comment
  LA98907  Festuca arundinacea E. R. Hobbs; 1979-5-6 79 -68 Los Angeles Placerita Canyon State and County Park Comment
  UCR220171  Festuca microstachys R. G. Swinney 2009-4-2 10249 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road 1235 Comment
  RSA0110754  Festuca myuros R. G. Swinney 2011-5-19 14758 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. 912 Comment
  LA33413  Festuca perennis Peter H. Raven; Henry J. Thompson 1959-10-14 14627 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, E-end 220 Comment
  RSA549533  Festuca rubra Timothy S. Ross, Steve Boyd 1990-6-18 3450 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  SBBG109001  Ficus carica S. A. Junak 1996-5-20 Los Angeles Mosquito Cove, just S of first gully S of main cyn 18 Comment
  CAS-BOT-BC500440  Ficus microcarpa R. E. Riefner, Jr. 2014-10-6 14 -371 Los Angeles Harbor City, W of 110-Freeway, Figueroa Pl. at Lagood Dr. 6 Comment
  LA51382  Filago californica Henry J. Thompson; 1959-5-24 2018 Los Angeles Santa Monica Mountains, Saddle Peak, 0.6 mi ENE of peak 701 Comment
  RSA533918  Filago californica Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5190 Los Angeles San Clemente Island: Twin Dams, shallow pond at the westerly of two earthen dams, and mesic inlet draw 474 Comment
  VVC2915  Filago depressa Tim Thomas 2014-5-4 6301 Los Angeles Mojave Desert, North Lancaster; 0.3 mi NE of Sierra Hwy & W Ave H intersection 713 Comment
  RSA0107886  Filago gallica Steven A. Junak, Keri Kirkland 1998-4-30 SCa- 555 Los Angeles Santa Catalina Island. Upper part of Hamilton Canyon grainage, just downslope from Airport Road. 305 Comment
  CAS-BOT-BC52564  Frangula californica subsp. californica Alice Eastwood 1906-5-27 135 Los Angeles Laurel Canyon Comment
  CAS-BOT-BC53484  Frangula californica subsp. tomentella Timothy S. Ross; Steve Boyd 1994-9-21 8292 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1708 Comment
  CAS-BOT-BC211012  Fraxinus velutina Henry J. Thompson 1959-3-22 1874 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.) 0.25 mile from Triunfo Canyon, 2.5 miles west of Malibu Lake, Lobo Canyon 213 Comment
  SEINET5728782 Image available Froelichia floridana Ed Palmer 1887-1 s.n. Los Angeles Los Angeles Bay; Los Angeles Bay Comment
  SEINET10895329  Funastrum hartwegii LeRoy R. Abrams 1902-7-5 Abrams 2655 Los Angeles Dry mesa near Azusa Comment
  CATA1799  Galium angustifolium Benjamin E. Carter 2012-8-23 6983 Los Angeles Santa Catalina Island: Middle Ranch Canyon, at Pump Station 2 309 Comment
  SBBG119056  Galium angustifolium S. D. White 2004-7-27 10630 Los Angeles Clear Crk area, S side of Angeles Forest Hwy, ca. 0.2 mi W of jct with Angeles Crest Hwy; T2N R12W S8 1067 Comment
  UCR270488  Galium angustifolium R. G. Swinney 2011-6-15 15172 Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  RSA632946  Galium angustifolium subsp. angustifolium Valerie L. Soza, Kent Hughes 1999-6-17 552 Los Angeles San Gabriel Mtns. Upper Winter Creek Trail. Above San Olene Canyon. 747 Comment
  UC527281  Galium angustifolium subsp. angustifolium C. B. Wolf 1931-5-13 1997 Los Angeles near bridge (on road from Tujunga to San Fernando); Pacoima Wash 365 Comment
  RSA229006  Galium angustifolium subsp. angustifolium Robert F. Thorne, C. W. Tilforth 1971-6-30 40803 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
  POM49898  Galium angustifolium subsp. gabrielense I. M. Johnston 1924-6-28 s.n. Los Angeles Cascade Canyon on West end of Ontario Peak. 1524 Comment
  UCD121589  Galium angustifolium subsp. gabrielense A. C. Sanders; D. Malueg 1998-6-22 22026 Los Angeles San Gabriel Mts.: Altadena, ca. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Ln, and along trail to the NE. 549 Comment
  SBBG95196  Galium aparine M. B. Dunkle 1921-3-31 1764 Los Angeles Little Harbor 60 Comment
  CATA1572  Galium catalinense Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-4 2840 Los Angeles Santa Catalina Island: Bluff southeast of Rippers Cove 6 Comment
  RSA678693  Galium catalinense subsp. acrispum Mark A. Elvin, Orlando Mistretta 1996-3-24 132 Los Angeles San Clemente Island. Eagle canyon 381 Comment
  JEPS7023  Galium grande F. W. Peirson 1919-5-18 448 Los Angeles ridge between Monrovia Canyon and Fish Canyon; San Gabriel Mts. 990 Comment
  UCR159825  Galium grande Valerie Soza, LeRoy Gross 1999-7-15 629 Los Angeles Transverse Ranges; San Gabriel Mtns, Helispot off Mt Wilson Trail, 2.7 mi from trailhead in Sierra Madre 823 Comment
  SD230290  Galium hallii Louis C. Wheeler 1946-8-29 6309 Los Angeles San Gabriel Mountains: Vincent Gap. 2012 Comment
  RSA0023116  Galium hilendiae Duncan S. Bell, Caitlin Elam 2013-7-11 5349 Los Angeles Sheep Mountain Wilderness; northeastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1997 Comment
  RSA202689  Galium johnstonii Lauramay T. Dempster, Clare B. Hardham 1965-6-16 4118 Los Angeles On Angeles Crest Highway, just south of Upper Chilao Recreation Area, San Gabriel Mountains. Comment
  RSA133741  Galium nuttallii Peter H. Raven 1959-4-4 s.n. Los Angeles Just east of Zuma Beach, Point Dume. 15 Comment
  IRVC26636  Galium nuttallii subsp. insulare Reid Moran 1941-3-11 700 Los Angeles Santa Catalina Island; ridge N of Middle Ranch Channel Islands 250 Comment
  UCR192920  Galium porrigens Dan S. Cooper 2008-6-5 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Coolidge Canyon, SE corner of Griffith Park, Los Angeles 250 Comment
  RSA653923  Galium porrigens var. porrigens Valerie L. Soza, Wayne Law, Laura Moore 2000-6-27 1036 Los Angeles San Gabriel Mountains: Firebreak above Chantry Flat Heliport, 0.7 mile southwest of Chantry Flat along FS Road 2N41.2, south of San Olene Canyon. 854 Comment
  OBI4451  Galvezia speciosa Robert J. Rodin 1953-5-2 5816 Los Angeles Near White's Cove, Catalina Island Comment
  SDSU10618  Galvezia speciosa R. M. Beauchamp 1967-3-19 313 Los Angeles Growing down from rocky ledge in canyon south of Wilson Cove Pier. San Clemente Island. Comment
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May 16 2008
  UC2047224  Gamochaeta A. C. Sanders, T. B. Salvato 2009-5-20 36869 Los Angeles San Gabriel Valley: Whittier Narrows Recreation Area near Legg Lake, under SCE power lines east of Rosemead Blvd. (Highway 19) and west of Santa Anita Ave. El Monte 7.5' Quad. Comment
  UCR206488  Gamochaeta antillana A. C. Sanders, T. B. Salvato 2009-5-20 36869 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
  RSA488018  Gamochaeta ustulata Mark Hoefs 1974-4-30 439 Los Angeles Santa Catalina Island: Hermit's Gulch by Trail Comment
  LA205403  Garrya flavescens J. Sauer; R. Gibson 1971-5-1 4880 Los Angeles Piru Creek, Bailey Flats, site of the future Pyramid Reservoir Comment
  RSA392384  Garrya flavescens W. P. Burger 1979-5-18 105 Los Angeles Road to Mt, Wilson Observatory. 1 mile from the top. 1372 Comment
  NY42969  Garrya veatchii J. B. Walker 1995-3-30 1297 Los Angeles Angeles National Forest, Glendora Ridge Rd, 11km W of Baldy Village 1200 Comment
  RSA392405  Garrya veatchii Bonnie C. Templeton 1959-5-9 s.n. Los Angeles On Angeles Crest Highway between Mill Creek Road Junction and Red Box Gap, 1220 Comment
  UCR277405  Garrya veatchii R. G. Swinney 2010-8-23 13578 Los Angeles San Gabriel Mountains, Mt. Zion summit, between Hoegee Campground and Camp Sturtevant on the Mt. Zion Trail 1090 Comment
  SEINET4044476  Gastridium ventricosum D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains, Point Mugo State Park. 76 Comment
  UCR223176  Gayophytum R. G. Swinney 2009-7-22 11318 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  RSA603817  Gayophytum diffusum subsp. parviflorum Steve Boyd 1997-9-10 10033 Los Angeles Liebre Mountains Region: High point of Liebre Mountain near old radio tower site, at divide between Horse Camp Canyon and Castaic Creek watershed. 1744 Comment
  RSA250340  Gayophytum heterozygum Robert F. Thorne, Larry E. DeBuhr 1972-8-18 42241 Los Angeles San Gabriel Mountains, Angeles National Forest: Buckhorn Station along Angeles Crest Highway 2061 Comment
  RSA776386  Gayophytum oligospermum Orlando Mistretta, Christine Mistretta 2010-6-14 5319 Los Angeles upper Big Tujunga canyon, 1.93 road miles E of junction with Angeles Forest Hwy. 1040 Comment
  UCR256605  Gayophytum racemosum Anuja Parikh, Nathan Gale 2011-7-6 3542 Los Angeles Transverse Ranage; San Gabriel Mountains, along road to Barley Flats, 4.0 km west of Shortcut Station, 1.0 km north of State Hwy 2, Angeles Crest Hwy Comment
  RSA656203  Gilia angelensis Joseph M. Keefe 1978-4-20 22720 Los Angeles South east corner of Golden State Freeway (Interstste Hwy. 5), and Ventura Freeway (Calif. Hwy. 134),400 meters west of Los Angeles River. 140 Comment
  RSA470095  Gilia angelensis M. B. Dunkle 1939-3-20 5248 Los Angeles Palo Verdes Hills. Comment
  RSA470112  Gilia angelensis Anstruther Davidson 1929-05 2340 Los Angeles Toluca [North Hollywood], Los Angeles. Comment
  RSA72293  Gilia angelensis F. W. Peirson 1919-3-30 919 Los Angeles Tujunga Canyon. West end of San Gabriel Mts. 427 Comment
  UC1123706  Gilia brecciarum subsp. brecciarum A. D. Gifford 1935-3-27 513 Los Angeles 2.3 mi nne Sawmill Pk.; Tejon Quad., nne of Sawmill Peak Comment
  UCR220262  Gilia cana R. G. Swinney 2009-4-28 10504 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  IRVC26466  Gilia capitata A. C. Sanders, Mark Elvin, et al. 2003-3-5 25710 Los Angeles Newhall Ranch, "Grapevine Mesa" ca. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon NE end of Santa Susana Mtns. 335 Comment
  UCR127210  Gilia capitata A. C. Sanders 2003-5-1 26243 Los Angeles Western San Gabriel Mtns., NE side of Castaic Mesa, near Angeles National Forest boundary, c. 0.6 mi. due west of confluence of Bitter and Charlie Canyons 396 Comment
  POM8769  Gilia capitata subsp. abrotanifolia P. A. Munz 1920-3-13 3308 Los Angeles Puddingstone Canyon, San Dimas 304 Comment
  RSA470203  Gilia capitata subsp. abrotanifolia Ruth Herley s.n. Los Angeles Near Dekker Ranch in recently burned area. Comment
  UCR192200  Gilia latiflora A. C. Sanders 2008-4-16 34895 Los Angeles Tehachapi Mtns. Foothills/ W Mojave Desert, west end of Antelope Valley, hills c. 1.25 mi. NE of Quail Lake, c. 0.7 mile north of Hwy 138 1000 Comment
  LA90180  Gilia latiflora D. Birindelli; 1969-4-27 sn Los Angeles Antelope Valley, Antelope Valley, 140th and J Streets Comment
  LA206993  Gilia latiflora subsp. davyi Eliz. Grant; 1937-5-8 sn Los Angeles Mint Canyon 1523 Comment
  RSA469404  Gilia latiflora subsp. davyi Ora M. Clark 1929-3-30 1913 Los Angeles W. Lancaster. Comment
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Dec 10 2011
  UC440412  Gilia latiflora subsp. davyi Carl Epling, Lincoln Ellison, Harvey Anderson 1930-4-17 Los Angeles Lancaster Mohave Desert, Lancaster Comment
  UCR102539  Gilia latiflora subsp. davyi George K. Helmkamp 1997-3-6 1346 Los Angeles Western Mojave Desert, west of Lancaster at 125th St. & Calif. Hwy 138 762 Comment
  CAS-BOT-BC226399  Gilia latiflora subsp. latiflora Herbert L. Mason 1926-4-26 2970 Los Angeles Soledad Pass, four miles south of Vincent (Mint Canyon Highway) Comment
  RSA535403  Gilia latiflora subsp. latiflora Steve Boyd 1986-3-31 1571 Los Angeles Mojave Desert: Highway 18 about 1 mile E of jct with Hwy 138, NE of Pinyon Hills. Comment
  RSA618780  Gilia latiflora subsp. latiflora L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon approximately 1/2 mile east of Blum Ranch. 945 Comment
  CAS-BOT-BC226398  Gilia latiflora subsp. latiflora Roxana S. Ferris; Ruth P. Rossbach 1938-5-13 9494 Los Angeles Highway between Adelanto and Lancaster Comment
  SFV19333  Gilia leptantha subsp. transversa P. Wilson, J. N. Hogue 2005-5-23 4215 Los Angeles San Gabriel Mountains Highway 2, about 0.3 km east of Newcomb Ranch. In roadside depression. 1650 Comment
  UCR110899  Gilia leptantha subsp. transversa A. C. Sanders, D. Malueg, K. D. Jones 1998-6-22 22004 Los Angeles San Gabriel Mtns., Soledad Pass area at the N foot of the mtns, c. 5 miles SW of Palmdale, along SCE Mesa-Vincent power line at pole 18-03, just south of Vincent Substation 1000 Comment
  UCR205854  Gilia modocensis R. G. Swinney 2008-5-8 8811 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
  RSA469474  Gilia nevinii F. R. Fosberg 1931-4-24 S 4693 Los Angeles Hamilton Beach, Santa Catalina Island. 10 Comment
  RSA549899  Gilia nevinii Peter L. Morrell, Orlando Mistretta, L. Arsneth 1992-4-4 127 Los Angeles San Clemente Island, appros. 1.5 km S of Wilson Cove. 200 Comment
  CAS-BOT-BC401996  Gilia ochroleuca subsp. bizonata Timothy S. Ross; Steve Boyd 1994-5-25 7887 Los Angeles Liebre Mountains. West Summit of Liebre Mountain: West Summit here construed as the rounded knoll 100 m S of the intersection of sections 3, 4, 9, & 10 1708 Comment
  RSA0017208  Gilia ochroleuca subsp. bizonata G. R. Johnstone 1926-4-24 s.n. Los Angeles Antelope Valley, foothills S. of valley. Comment
  RSA0016179  Gilia ochroleuca subsp. ochroleuca L. C. Wheeler 1967-5-12 9438 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA0092165  Gilia splendens R. G. Swinney 2010-5-11 12681 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
  RSA71823  Gilia splendens subsp. splendens F. W. Peirson 1921-7-3 2485 Los Angeles on trail northeast of Rock Creek divide Comment
  RSA783534  Gilia tricolor J. D. Olmsted 1958-4-26 114 Los Angeles Along San Antonio Creek in Blanchard Park on Pomona College Campus, Claremont near eastern boundary of LA Co. 366 Comment
  UCR178166  Githopsis diffusa subsp. diffusa LeRoy Gross, B. Hogshead, Valerie Soza 2003-5-29 947 Los Angeles Transverse Ranges; Verdugo Mountains, West end of the mtns at junction (saddle) of Verdugo motorway and Wildwood Fire Road. Small draw NE of saddle, and canyon to the east of the main fire road on the crest of the ridge (Verdugo Mortorway) 564 Comment
  CAS-BOT-BC303871  Gnaphalium Alice Eastwood 1915-8-25 4904 Los Angeles Duarte Comment
  UCR276911  Gnaphalium canescens subsp. microcephalum R. G. Swinney 2011-3-29 14257 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
  RSA190955  Gnaphalium luteoalbum R. F. Thorne, R. C. Rollins, D. Propst, R. Carolin 1967-3-19 36766 a Los Angeles Santa Catalina Island. Lower end of Toyon Canyon. 46 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
  UCR186754  Gnaphalium luteoalbum T. B. Salvato, Sandra Murcia 2007-3-28 2017 Los Angeles San Gabriel Mountains, Angeles National Forest, lower Santa Anita Canyon at the upper end of Santa Anita Reservoir 427 Comment
  RSA526057  Gnaphalium luteoalbum Steve Boyd, Tim Ross, L. Arnseth 1990-4-6 4155 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  UCR270916  Gnaphalium microcephalum R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14328 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
  RSA188294  Gnaphalium palustre R. F. Thorne 1966-6-2 36515 Los Angeles Santa Catalina Island: dry margin of Echo Lake, NNE of Black Jack Mt. 412 Comment
  UCR210127  Gnaphalium palustre R. G. Swinney 2008-7-24 9354 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
  UCR223128  Gnaphalium stramineum R. G. Swinney 2009-7-22 11344 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  OBI36559  Goodmania luteola F. C. Vasek 1985-6-5 s.n. Los Angeles Antelope Valley, along Hwy 138, ca 2 mi W of hwy 14 Comment
  RSA611047  Grayia spinosa L. C. Wheeler 1968-5-12 s.n. Los Angeles Spring 2/3 mile E of Juniper Bowl; Juniper Hills. 1158 Comment
  RSA763219  Grayia spinosa Justin M. Wood 2010-5-10 1583 Los Angeles San Gabriel Mountains: Little Rock Creek: upstream of Little Rock reservoir to confluence w/ Santiago Creek. 999 Comment
  UCR223029  Grayia spinosa R. G. Swinney 2009-4-29 10614 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  SEINET238661  Grindelia camporum A. C. Sanders, D. Malueg; K. D. Jones 1999-11-19 23268 Los Angeles Santa Susana Mountains: Aliso Canyon Oil Field Oat Mountain -- Mormon Limekiln & Aliso Canyon watersheds. 700 Comment
  UCR138490  Grindelia camporum var. camporum L. C. Wheeler 1976-8-4 s.n. Los Angeles Dominguez Hills: Near Wilmington and Victoria Street 49 Comment
  RSA430028A  Guillenia lasiophylla George B. Grant 1903-05 s.n. Los Angeles Garvanza Comment
  RSA430020A  Guillenia lasiophylla F. R. Fosberg 1931-4-8 4503 Los Angeles Hamilton Canyon, near Avalon, Santa Catalina Island. 40 Comment
  RSA127797  Gutierrezia sarothrae Peter H. Raven, H. J. Thompson 1959-9-18 14450 Los Angeles University of California 152 Comment
  RSA603186  Haplopappus parishii L. C. Wheeler 1972-12-20 12783 Los Angeles San Gabriel Mountains: Cow Canyon Saddle 1372 Comment
  CAS-BOT-BC231093  Harpagonella palmeri Tim Ross; Janet Takara; Stacey Otte 1993-4-24 6947 Los Angeles Santa Catalina Island: W end of island beyond the isthmus, on ridgetop ca 1000m NW of Mount Torquemada 396 Comment
  RSA188132  Hazardia squarrosa var. grindelioides R. F. Thorne 1966-4-28 36242 Los Angeles Santa Catalina Island. Near junction of Wrigley Drive and Renton Mine Road. 91 Comment
  CAS-BOT-BC302322  Hazardia squarrosa var. squarrosa Scott D. White; Pam Devries 1997-11-20 6026 Los Angeles Big Tujunga Wash (San Gabriel Mtn. foothills / E San Fernando Valley): West of Sunland, SW of I-210 Freeway, E of Hansen Dam, and N of Wentworth St. 335 Comment
  UC1075538  Hebe X andersonii Bonnie C. Templeton 1929-10-14 6 Los Angeles Calif Botanic Garden Los Angeles Comment
  CAS-BOT-BC306295  Hedypnois cretica Peter H. Raven; Robert F. Thorne 1964-5-7 19034 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mountains Comment
  HSC101307  Hedypnois cretica R. G. Swinney 2009-3-26 10163 Los Angeles San Gabriel Mtns. Foothills: Azusa, San Gabriel River at El Encanto Azusa River Wilderness Park 296 Comment
  POM359759  Helenium puberulum B. C. Templeton 1932-7-21 5043 Los Angeles Between Prairie Fork San Gabriel River and Big Pines Park, near Spring Comment
  UCR192927  Helianthemum scoparium Dan S. Cooper 2008-4-9 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Sennet Canyon, Griffith Park, Los Angeles 215 Comment
  CHSC95505  Helianthemum scoparium var. vulgare LeRoy Gross; Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1092 Los Angeles Transverse Ranges: Verdugo Mountains region: North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. Low foothills north of the 210 freeway. We followed the firebreak southwest. 598 Comment
  SFV19107  Helianthus gracilentus M. Gary 2003-5-9 s. n. Los Angeles Verdugo Mountains La Tuna Canyon. Comment
  RSA0008274  Helianthus nuttallii subsp. parishii J. M. Porter 2006-11-5 12260 .1 Los Angeles Newhall Ranch, Castaic Spring, ca. 400 m S of the Santa Clara River, between Dead End Canyon and Middle Canyon. 1000 Comment
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Jun 26 2019
  SD39697  Heliotropium curassavicum Edith A. Purer 1931-9-15 2332 Los Angeles El Segundo Comment
  POM126524  Heliotropium curassavicum var. oculatum R. L. Pendleton 1909-7-6 s.n. Los Angeles Catalina Cove, Santa Catalina Island. Comment
  RSA127790  Heliotropium curassavicum var. oculatum H. J. Thompson, P. Raven 1959-9-6 14374 Los Angeles At mouth of Malibu Creek 5 Comment
  RSA305944  Hemizonia australis Fay A. MacFadden 1933-9-22 11488 Los Angeles Vacant lot, 87th Street near Avalon Comment
  IRVC27793  Hemizonia fasciculata A. C. Sanders 2005-5-11 30153 Los Angeles Santa Clarita area, upper Plum Cyn along dirt track towards Cruzan Mesa from Plum Cyn Rd., NW of Forest Park between Mint and Bouquet cyns. Western San Gabriel/Liebre Mtns Region 610 Comment
  POM360272  Hemizonia fasciculata Wm. Martin 1971-8-11 s.n. Los Angeles Point Dume. 18 Comment
  UC217977  Herniaria hirsuta subsp. cinerea P. A. Munz and I. M. Johnston 1921-3-28 4406 Los Angeles Pomona College Campus Comment
  RSA534112  Herniaria hirsuta subsp. cinerea Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5093 Los Angeles San Clemente Island, N Head, WNW of the new Landing field 15 Comment
  UCR139938  Hesperocnide tenella L. C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mtns., East side of Little Tujunga Canyon, 0.75 mi SSE of Herreres Ranch 579 Comment
  POM175548  Heterocodon rariflorum F. W. Peirson 1921-6-14 1210 Los Angeles Short Cut Canyon. 991 Comment
  HSC33356  Heteromeles arbutifolia E. A. Wise 3 Los Angeles Tapia Park, 10 mi. E of Malibu Colony Comment
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May 28 2014
  RSA635051  Heteromeles arbutifolia Valerie L. Soza, Laura Moore 1999-6-30 576 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail. 823 Comment
  RSA654266  Heteromeles arbutifolia Monica Acosta 1998-5-25 20 Los Angeles Parking lot J at California State Polytechnic University. (Cal Poly Pomona) 226 Comment
  RSA86823  Heteromeles arbutifolia F. W. Peirson 1907-7-1 694 Los Angeles Catalina Island. Comment
  SBBG127473  Heteromeles arbutifolia D. Kasang, S. Lawrence-Gomez, A. Cheung, M. Zou, S. Ratay 2011-7-1 3 Los Angeles Deer Valley Trail 4 Comment
  SBBG45257  Heteromeles arbutifolia D. Propst 1962-12-24 Los Angeles Black Jack Rd, halfway up on Cape Cyn Comment
  UC620094  Heteromeles arbutifolia F. R. Fosberg 1931-5-21 S 4957 Los Angeles Santa Catalina Island; Cherry Valley 20 Comment
  UC860422  Heteromeles arbutifolia Ezra C. Knopf 497 Los Angeles Santa Catalina Island Comment
  UCD113336  Heteromeles arbutifolia Kenneth A. Wilson 1961-3-18 1037 Los Angeles Old Topanga Canyon Road 1/2 mile northwest of Topanga Canyon Road. Comment
  RSA0075651  Heterotheca grandiflora Joseph M. Keefe 2001-1-19 30918 Los Angeles San Rafael Mountains: 15 meters north of begninging of the Eagle Rock Park path along east side of Sholl Canyon Road opposite of driveway to 7685 Sholl Canyon Road, 100 meters north of Figueroa Street, Eagle Rock, 90041. 284 Comment
  SFV21038  Heterotheca sessiliflora subsp. fastigiata L. Gross 2001-11-10 453 Los Angeles Verdugo Mountains North side of mountains off the 210 Freeway, east bound La Tuna Canyon Road exit. Opposite this exit is a road that starts out paved (Hostetter Mountainway); follow this road that parallels the freeway east until a dirt road forks off on the right (southeast). Don't take the road that forks off to the right, stay parallel with the freeway a short distance. 457 Comment
  RSA0063274  Heuchera elegans R. G. Swinney 1998-7-29 6546 Los Angeles San Gabriel Mtns.: c. 100 m downstream from upper Fish Fork Campground. 1817 Comment
  CDA3747  Hirschfeldia incana T. S. Ross 1991-3-9 4185 Los Angeles Whittier Hills (Puente Hills, pro parte). Southeast side of ridgetop knoll, head of Oak Canyon. Comment
  UCD115096  Hirschfeldia incana Jack Delaini 1974-4-25 129 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. 426 Comment
  CLARK-A1528-2783  Hoffmannseggia densiflora John C. Roos 1947-5-11 3607 Los Angeles Monterey Park Comment
  CAS-BOT-BC149960  Holodiscus discolor var. discolor Blanche Trask 1900-6-1 s.n. Los Angeles Avalon, Santa Catalina Island Comment
  RSA639888  Holodiscus microphyllus Louis C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: Headwaters of Cruthers Creek, north side Will Thrall Peak, on Burkhart trail. 2012 Comment
  SBBG131742  Hordeum intercedens S. A. Junak 1999-4-23 SCa 850 Los Angeles lower part of Ridge Rd to W end, 1 mi from Two Harbors 42 Comment
  CAS-BOT-BC284695  Hordeum jubatum A. D. E. Elmer 1902-6-1 3618 Los Angeles Lancaster Comment
  RSA0047592  Hordeum marinum A. C. Sanders 2007-4-19 33430 Los Angeles Hills north of Oso Canyon and south of the National Cement Plant, Seen only in one place today: 34 deg 48 02N, 118 deg 44 52W. 1006 Comment
  RSA0117863  Hordeum murinum Robert L. Benson 1960-5-19 49 Los Angeles Blanchard Park. [Pomona College.] Claremont. 365 Comment
  SD69505  Hordeum murinum subsp. leporinum Robert F. Thorne 1966-4-4 35777 Los Angeles Santa Catalina Island: Blue Cavern Point, NE of Isthmus Cove 29 Comment
  RSA607550  Horkelia cuneata subsp. puberula Louis C. Wheeler 1932-5-23 753 Los Angeles San Gabriel Wash at Arrow Hwy Comment
  SBBG72465  Horkelia cuneata var. puberula M. N. Ackley -Apr-1922 939 Los Angeles Montrose 365 Comment
  CAS-BOT-BC532300  Horkelia cuneata var. puberula C. F. Baker 1904-4-20 4760 Los Angeles Pacific Coast, Claremont Comment
  SBBG131896  Hornungia procumbens S. A. Junak, D. Wilken 1996-3-27 SCI 256 Los Angeles just N of Eel Cove Cyn, with high midden 27 Comment
  LA47890  Hosackia crassifolia var. crassifolia Victor Duran; 1933-7-8 3504 Los Angeles San Gabriel Mountains, Horse Flats 1676 Comment
  UCR190119  Hulsea vestita R. G. Swinney 1998-8-27 6803 Los Angeles San Gabriel Mtns., ridge due north of Big Horn Ridge and south of San Antonio Ridge, above Coldwater Canyon 2652 Comment
  RSA250348  Hulsea vestita subsp. gabrielensis R. F. Thorne, Tilforth, Dourley, Scoggin 1972-8-11 42223 Los Angeles San Gabriel Mtns, Angeles National Forest: N slope of Mt. Waterman near Buckhorn Station. 2134 Comment
  UCR139147  Hulsea vestita subsp. gabrielensis L. C. Wheeler 1968-4-26 s.n. Los Angeles San Gabriel Mtns, Head of Bad Canyon at Santa Clara Divide Road 1303 Comment
  RSA249742  Hymenoclea salsola var. salsola R. F. Thorne 1973-5-11 43494 Los Angeles 1/4-1/2 mi N of Bob's Gap, N slope of Holcomb ridge, c. 2 1/2 mi due S of Llano 1159 Comment
  SEINET255356  Ilex cornuta A. C. Sanders 2005-2-13 29149 Los Angeles San Gabriel Valley: Walnut, Mt. San Antonio College, at south foot of the San Jose Hills. 244 Comment
  RSA601867  Imperata brevifolia L. C. Wheeler 1964-3-18 8424 Los Angeles San Gabriel Mountians: About half way between Roberts Canyon and Fish Canyon. Comment
  SEINET3876145  Iris longipetala Bonnie C. Templeton 1947-7-1 4399 Los Angeles Fraser Mt., mount Pinas region.; 0 Comment
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Feb 17 2015
  SEINET4152125  Iris purdyi Unknown 1981-4-8 4906 Los Angeles Rancho Santa Ana Botanic Garden 305 Comment
  RSA91271  Isocoma acradenia F. W. Peirson 1919-8-30 1255 Los Angeles Desert between Mojave and Lancaster. Comment
  CAS-BOT-BC311531  Isocoma acradenia var. acradenia Ernest C. Twisselmann 1970-9-8 17500 Los Angeles Antelope Valley: Avenue A at 50th Street West 731 Comment
  UC382613  Isocoma acradenia var. acradenia H. M. Hall 1919-10-21 Los Angeles Lancaster Antelope Valley Comment
  SD107890  Isocoma menziesii var. menziesii Robert F. Thorne, D. Propst and M. Haefs 1974-9-12 45112 Los Angeles Santa Catalina Island, near Buffalo Springs Reservoir 424 Comment
  JEPS19133  Isocoma menziesii var. vernonioides W. L. Jepson 1940-10-4 20178 Los Angeles 3 mi se of Norwalk Comment
  UCR95476  Isopyrum occidentale Steve Boyd, M. Wall 1996-4-4 8544 Los Angeles Transverse Range; Liebre Mtns., Angeles National Forest; lower Ruby Canyon, along Ruby Canyon Road c. 0.85 mi east of the junction with Lake Hughes Road, upstream from the confluence of Ruby Canyon and Elizabeth Lake Canyon at the NW base of Red Mountain 610 Comment
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Sep 26 2006
  UCD113622  Ivesia santolinoides Mrs. Griffin 1934-6-1 s.n. Los Angeles Silver Lake. Comment
  UCD51384  Jarava speciosa A. A. Beetle 1942-4-24 3212 Los Angeles 6 miles W of Llano. Comment
  SFV20027  Jaumea carnosa A. Dittmer, S. Dark 2004-10-1 69 Los Angeles Ballona Wetlands. West side of wetlands on the north side of Jefferson Ave. close to road. Comment
  UCR100433  Jaumea carnosa Scott D. White 1997-11-5 6012 Los Angeles Malibu Coast, Mouth of Trancas Canyon, north of Pacific Coast Hwy (= Calif. Hwy 1) 8 Comment
  RSA628364  Jepsonia malvifolia Steven A. Junak 1997-10-28 SCI- 977 Los Angeles San Clemente Island: E side of island, near head of N fork of canyon draining to Mosquito cove. 387 Comment
  CAS-BOT-BC478181  Juglans californica R. E. Jr. Riefner 2015-8-21 15 -335 Los Angeles San Jose Hills, Unincorporated Los Angeles County, S of Interstate-10, E of Palomino Drive, E of Mesquite Lane, near end of Surry Drive, W of Forest Lawn Memorial Park 284 Comment
  SEINET11177057  Juglans californica M. Licher 2011-2-21 3023 Los Angeles Deervale-Stone Canyon Park, Santa Monica Mountains, 1 mi. east of 405, & north of Mulholland Dr. 320 Comment
  RSA599878  Juglans californica var. californica Steve Boyd, Lauren Raz 1997-5-6 9723 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  RSA656923  Juglans californica var. californica Valerie L. Soza, LeRoy Gross, Wayne Law 2000-7-5 1051 b Los Angeles San Gabriel Mountains: Above San Gabriel Canyon, W of Morris Reservoir. E-facing firebreak west of Silver Fish Road (FS Road 2N28), ca. 3.2 miles west of San Gabriel Canyon Road (Hwy 39) along Silver Fish Road. 793 Comment
  RSA711112  Juglans californica var. californica Tim Thibault, K. E. Olshewsky 2004-5-22 268 Los Angeles fire road off Hwy. 2 910 Comment
  SD79040  Juglans californica var. californica R. Mitchel Beauchamp 1966-8-10 65 Los Angeles West side of summit of Topanga Canyon Blvd. Comment
  RSA0011161  Juglans californica var. californica Wesley O. Griesel 1986-4-25 s.n. Los Angeles Elsmere Canyon area 457 Comment
  UCR187101  Juncus balticus A. C. Sanders 2006-5-16 32335 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon just above the National Cement Plant Rd., 0-0.25 mi. upstream, 1.5 miles NNE of Quail Lake 991 Comment
  JEPS45903  Juncus bufonius Louis C. Wheeler 1936-6-26 4192 Los Angeles Lewis Paul Canyon San Gabriel Mts. 518 Comment
  RSA177693  Juncus bufonius Robert F. Thorne, Percy C. Everett 1965-5-10 34437 Los Angeles Cape Canyon, Santa Catalina Island 274 Comment
  UCR190761  Juncus bufonius R. G. Swinney 1999-6-30 7490 Los Angeles San Gabriel Mtns., Grand View Canyon, c. 1.1 mi. north of Big Pines Hwy at All Nations Camp 1585 Comment
  RSA0013204  Juncus bufonius var. occidentalis Orlando Mistretta, Christine Mistretta 2011-7-13 5929 Los Angeles Big Tujunga Cyn. Along Angeles Forest Hwy, 1.0 miles W of junction With Big Tujunga Cyn Road. 793 Comment
  JEPS45901  Juncus covillei var. obtusatus F. R. Fosberg and J. Ewan 1931-8-12 S 5582 Los Angeles Windy Camp Spring Mt. Islip 2286 Comment
  IRVC5137  Juncus macrophyllus Peter H. Raven, H. J. Thompson 1960-7-17 15563 Los Angeles Old Topanga Canyon, shaded creek bed. Comment
  SFV21388  Juncus macrophyllus L. Gross, N. Fraga, S. Williams 2002-7-17 562 Los Angeles Verdugo Mountains North side, La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road. 295 Comment
  RSA670186  Juncus macrophyllus Ian Swift 2001-7-2 232 Los Angeles Middle Fish Canyon, 1.5 miles north of Cienega Campground 808 Comment
  UCR277384  Juncus mexicanus R. G. Swinney 2010-6-1 13175 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
  POM1608  Juncus phaeocephalus I. M. Johnston 1917-5-13 s.n. Los Angeles [El Monte?] Ditch along Railroad. 114 Comment
  POM1613  Juncus phaeocephalus I. M. Johnston 1917-6-10 1308 Los Angeles Cienega , West of Los Angeles. Comment
  RSA774834  Juncus rugulosus Orlando Mistretta, Christine Mistretta 2010-6-8 5283 Los Angeles Upper Big Tujunga Canyon; Lynx Gulch. Along Lynx Gulch Road, approx. 1.15 miles N of intersection with upper Big Tujunga Canyon Rd. 1100 Comment
  UCR208465  Juncus textilis Justin M. Wood 2009-4-13 490 Los Angeles San Gabriel Mountains, Foothills above the city of Sierra Madre, 'one carter estates' at the end of Baldwin Ave. 67 Comment
  RSA776391  Juncus tiehmii Orlando Mistretta, Christine Mistretta 2010-5-22 5188 Los Angeles Upper Aliso Cyn, about 1.5 miles north of Mill Creek summit. 1311 Comment
  RSA600570  Juncus tiehmii L. C. Wheeler 1961-6-9 7843 Los Angeles Mouth of Alder Creek, off Big Tujunga Canyon 1051 Comment
  RSA0098366  Juncus xiphioides R. G. Swinney 2011-11-1 15973 Los Angeles San Gabriel Mountains: West Fork San Gabriel River Scenic Bikeway, 2.3 miles below (downstream) from Glen Campground, 0.68 miles downstream from Pasadena Bait Club, along FS Rd 2N25 561 Comment
  RSA756741  Juncus xiphioides R. G. Swinney 2008-6-24 9084 Los Angeles Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 244 Comment
  JEPS48241  Juniperus californica W. L. Jepson 1939-4-21 19242 Los Angeles Neenach School, Antelope Valley, w Mohave Desert Mohave Desert, Antelope Valley 914 Comment
  SFV20876  Juniperus californica L. Gross 2000-8-25 260 Los Angeles San Fernando Valley Orcas Park, entered from Foothill Blvd onto Orcas Ave. Hiked west from park heading toward Hansen Dam. East side of Hansen Dam. 325 Comment
  CAS-BOT-BC235635  Keckiella breviflora var. breviflora Le Roy Abrams; E. A. McGregor 1908-6-20 409 Los Angeles Liebre Mountains. Between Oakgrove Canyon & Elizabeth Lake Comment
  RSA401759A  Keckiella cordifolia F. R. Fosberg 1931-3-23 S- 4325 Los Angeles Santa Catalina Island. Hamilton Canyon, near Avalon. 35 Comment
  RSA772279  Keckiella cordifolia R. G. Swinney 2009-5-8 10693 Los Angeles Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  NY790457  Keckiella ternata var. septentrionalis T. S. Ross 1990-6-28 3957 Los Angeles Liebre Mountain: southerly slopes to the south and southwest of the West Summit and ridge to its West. Liebre Mountain 7.5' USGS Quadrangle. 1389.9 Comment
  UCR179485  Koeleria macrantha R. G. Swinney 1996-8-7 5215 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half of Brown's Flat 1341 Comment
  SFV18162  Lactuca serriola J. N. Hogue 1997-7-10 91 .1 Los Angeles Los Angeles, Eagle Rock. 152 Comment
  RSA601640  Lagophylla ramosissima subsp. ramosissima L. C. Wheeler 1967-6-26 9865 Los Angeles San Gabriel Mountains : Whitney Canyon, near mouth. 434 Comment
  CATA2247  Lagunaria patersonia Sara L. Crockett 1996-10-28 12 Los Angeles Santa Catalina Island: Descanso Beach Club, N end 9 Comment
  POM199546  Lamarckia aurea I. W. Clokey, B. Templeton 1929-04 4512 Los Angeles Mandeville Canyon, Santa Monica Mountains. 400 Comment
  POM352636  Lamarckia aurea Ora M. Clark 1929-3-10 1675 Los Angeles Elyssian Park Comment
  SFV447  Lamarckia aurea P. G. Kilburn 1958-3-26 666 Los Angeles San Gabriel Mountains Just south of Castaic on US Highway 99, just north of Wayside Honor Ranch. Left fork of Tapia Canyon. 480 Comment
  UCR261537  Lamium amplexicaule R. G. Swinney 2010-2-27 11700 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  UCD93263  Lantana Peter H. Raven 1959-3-1 13820 Los Angeles Santa Monica Mountains. Vermont Canyon. Griffith Park. 243 Comment
  SBBG50870  Lantana camara Ming-Hwa Fu 1961-4-29 23 Los Angeles cultivated on Hilgard Avenue, Westwood Village Comment
  CAS-BOT-BC412749  Lastarriaea coriacea Le Roy Abrams 1901-4-1 1218 Los Angeles Ballona Harbor Comment
  CAS-BOT-BC412750  Lastarriaea coriacea Alice Eastwood 1906-5-27 57 Los Angeles Country adjacent to Los Angeles. Garvanza Comment
  CAS-BOT-BC352710  Lasthenia coronaria J. C. Nevin 1952-5-1 s.n. Los Angeles Burbank Comment
  UC1215244  Lasthenia gracilis Peter H. Raven 1962-4-11 17283 Los Angeles due w Wall 2; San Clemente Island 9 Comment
  UC284966  Lasthenia gracilis P. A. Munz 1923-4-9 6688 Los Angeles near Lemon Tank; San Clemente Island Comment
  UCR138135  Lasthenia gracilis L. C. Wheeler 1974-4-14 s.n. Los Angeles San Gabriel Mtns., Wildwood Ranch, Shuler Canyon 412 Comment
  POM343360  Lasthenia gracilis F. R. Fosberg 1983-4-22 64131 Los Angeles Lake Hughes, San Gabriel Mts. Comment
  RSA724481  Lathyrus laetiflorus K. Dobry 1991-6-28 d- 869 Los Angeles Santa Monica Mts. Las Virgenes Rd. and Mulholland Hwy. at Soka Univ., E. Section Comment
  RSA167806  Lathyrus vestitus subsp. alefeldii R. F. Thorne, P. C. Everett 1964-2-6 33303 Los Angeles Santa Catalina Island. NW-facing hillside in Cherry Cove. 61 Comment
  UCD106565  Lathyrus vestitus var. vestitus Daryl Koutnik; John Cuti 1978-4-12 342 Los Angeles Verdugo Mountains, south of La Tuna Canyon Road. 579 Comment
  UCD168224  Layia glandulosa J. W. Barry 1980-4-1 s.n. Los Angeles Hungry Valley SVRA. (Exact location unknown. This park is mostly in Los Angeles county, but also includes parts of Ventura and Kern counties. Coordinates estimated by the label maker.) Comment
  UCR96331  Layia glandulosa B. G. Pitzer 1996-4-20 2687 Los Angeles Western Mojave Desert, Antelope Valley, north side of Hwy 138 (Ave. 'D'), c. 2 mi. west of Neenach (c. 30 mi. west of Hwy 14) 915 Comment
  JEPS30623  Layia platyglossa Peter H. Raven 1959-4-4 13972 Los Angeles Point Dume; Santa Monica Mountains 15 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
  SD87762  Lemmonia californica F. W. Peirson 1921-6-14 2421 Los Angeles Tujunga Comment
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Mar 26 2016
  CAS-BOT-BC221605  Lepechinia fragrans B. 1904-6-14 5061 Los Angeles Near Claremont Comment
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Oct 1 2019
  CAS-BOT-BC221611  Lepechinia fragrans Carl Epling 1931-4-25 s.n. Los Angeles Santa Monica Mountains. Los Alisos Canyon Comment
  RSA429990  Lepidium dictyotum var. acutidens Anstruther Davidson 1892-1 s.n. Los Angeles Los Angeles Comment
  RSA779997  Lepidium didymum R. G. Swinney 2009-4-7 10283 Los Angeles San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte, under 2nd span from west 184 Comment
  CAS-BOT-BC89309  Lepidium flavum Ernest C. Twisselmann 1962-4-10 6831 Los Angeles Mojave Desert. Rosamund region. Avenue A 1.3 mile east of Highway 6. 624 Comment
  UCD115644  Lepidium fremontii Daryl Koutnik 1978-3-23 129 Los Angeles North of State Hwy 18 and just west of Llano. 975 Comment
  UCR282007  Lepidium fremontii R. G. Swinney 2014-4-30 16243 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
  RSA251532  Lepidium lasiocarpum R. F. Thorne 1973-4-11 42874 Los Angeles San Clemente Island: dunes near Flasher, NW part of island. 3 Comment
  RSA429631  Lepidium nitidum Anonymous 1927-03 s.n. Los Angeles Ballona Hills Comment
  SD54845  Lepidium pinnatifidum E. Norland 1963-10-12 Los Angeles South Hawthorne Ave., Torrance. Comment
  CAS-BOT-BC60036  Lepidium virginicum var. menziesii Alice Eastwood 1906-6-5 205 Los Angeles Glendale. Comment
  HSC6843  Lepidium virginicum var. menziesii C. E. Fellows 1965-4-19 11 Los Angeles Community of Llano, SW corner at intersection of Hwy. 138 and Victorville cutoff, high southern Mojave Desert Comment
  UCR223590  Lepidium virginicum var. pubescens R. G. Swinney 2009-6-3 11060 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  JEPS37117  Lepidospartum squamatum W. L. Jepson 1940-10-7 20184 Los Angeles Santa Monica, Sepulveda Comment
  POM361764  Lepidospartum squamatum Anstruther Davidson 1889-09 s.n Los Angeles Los Angeles Comment
  RSA620040  Lepidospartum squamatum LeRoy Gross 1998-11-1 96 Los Angeles Southern base San Gabriel Mtns.: Big Tujunga wash. East of 210 freeway, city of Sunland. 365 Comment
  RSA659803  Lepidospartum squamatum Fred Brooks 1988-4-23 21 Los Angeles San Antonio Canyon, [San Gabriel Mountains] below the first tunnel 915 Comment
  RSA73032  Leptosiphon breviculus F. W. Peirson 1929-7-1 8443 Los Angeles Mt. Pacifico: upper part of trail, San Gabriel Mountains. 1982 Comment
  SD129588  Leptosyne gigantea A. C. Sanders unknown 7594 Los Angeles El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, East of Vista Del Mar Boulevard 29 Comment
  UCR189879  Lessingia filaginifolia R. G. Swinney 1998-7-27 6491 Los Angeles San Gabriel Mtns., Dry Lake, south of Sunset Peak at head of Dry Lake Canyon 1515 Comment
  UCR141033  Lessingia filaginifolia var. filaginifolia June Latting, Ted Hanes, et al 1977-10-15 s.n. Los Angeles San Gabriel Mountains, fuelbreak below Chilao Flat, Angeles Crest 1659 Comment
  CAS-BOT-BC339281  Lessingia glandulifera var. glandulifera F. Grinnell Jr. 1917-8-19 s.n. Los Angeles Pacoima Wash near San Fernando Comment
  JEPS52197  Lessingia glandulifera var. glandulifera Ernest C. Twisselmann 1966-9-8 12787 Los Angeles Castaic Valley; San Emigdio Range and Mt. Pinos 1188 Comment
  POM365307  Leymus condensatus Gary D. Wallace 1979-5-25 1845 Los Angeles Northern Monrovia Comment
  POM50479  Leymus triticoides Le Roy Abrams 1901-06 1720 Los Angeles Ballona Creek, Mesmer., [33?57'40N, 118?27'20W] Comment
  RSA187938  Leymus triticoides R. F. Thorne 1966-4-29 36269 Los Angeles Santa Catalina Island: Middle Ranch Canyon along road to Ben Weston Beach 61 Comment
  RSA584108  Ligustrum japonicum Tim S. Ross 1991-11-15 s.n. Los Angeles Claremont: RSABG grounds: Indian Hill Mesa. 405 Comment
  CDA5381  Ligustrum lucidum A. C. Sanders, Mark A. Elvin 2002-8-26 25585 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed; Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near Airport Mesa . Comment
  RSA0088411  Ligustrum lucidum R. G. Swinney 2010-2-27 11761 Los Angeles Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash. 331 Comment
  LA206677  Linanthus californicus M. Zaitlin; 1951-4-14 sn Los Angeles Angeles National Forest, Elizabeth Lake Canyon 304 Comment
  RSA596920  Linanthus dichotomus T. S. Ross, J. Mark Porter 1995-5-4 8523 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  HSC101282  Linanthus dichotomus subsp. pattersonii R. G. Swinney 2009-4-24 10487 Los Angeles Transverse Ranges; San Gabriel Mtns. / Mojave Desert: Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  RSA187937  Linaria canadensis var. texana Robert F. Thorne 1966-4-28 36244 Los Angeles Santa Catalina Island. Near junction of Wrigley Drive and Renton Mine Road. 91 Comment
  LA33626  Lithophragma affine Peter H. Raven; 1959-5-3 14099 Los Angeles Santa Monica Mountains, Laurel Pass, Mulholland Drive 0.5 mi. W of Laurel Pass 365 Comment
  RSA240674  Lithophragma affine Donald R. Bissing 1973-4-6 38 Los Angeles Evey Canyon, San Gabriel Mountains: 0.5 mile from mouth of canyon. 726 Comment
  UC858163  Lithophragma affine F. R. Fosberg 1931-4-13 S 4581 Los Angeles head of Pebble Beach Canyon rt fork Santa Catalina Island (Santa Catalina Island, Renton Mine Road); , head Pebble Beach Canyon rt fk 290 Comment
  UCR143303  Lithophragma affine Reid Moran 1941-3-6 682 Los Angeles Channel Islands, Middle Ranch Canyon, Santa Catalina Island 300 Comment
  RSA724679  Lithophragma heterophyllum K. Dobry 1991-3-15 d- 425 Los Angeles San Gabriel Mts at Elsmre Cyn Comment
  RSA527727  Lithophragma maximum Steve Boyd 1990-4-8 4295 Los Angeles San Clemente Island: east side of the island, near Malo Point, 1st canyon south of Bryce Canyon. Comment
  UCR261763  Lobelia dunnii var. serrata R. G. Swinney 2010-9-13 13840 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
  RSA279035  Lobularia maritima R. F. Thorne 1971-4-23 41487 Los Angeles Angeles National Forest; NE of Chantry Flats along Santa Anita Creek. 549 Comment
  SD41386  Lobularia maritima Edith A. Purer 1931-4-9 Los Angeles El Segundo Comment
  JEPS17962  Loeseliastrum matthewsii George B. Rossbach 1955-4-29 420 Los Angeles Rte. 138 near Littlerock 914 Comment
  CATA1608  Logfia gallica Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Janet Takara 1998-5-1 2877 Los Angeles Santa Catalina Island: West side of Swain's Canyon, ridge to Whitley's Peak 432 Comment
  SBBG31110  Logfia gallica R. F. Thorne 1966-4-30 36356 Los Angeles above Gallagher's Cyn 426 Comment
  CAS-BOT-BC269091  Lolium perenne E. R. Blakley 1963-12-7 6370 Los Angeles California Channel Islands. 200 yards S E of new air strip, San Clemente Island 60 Comment
  POM356947  Lolium perenne subsp. multiflorum J. R 1936-5-25 s.n. Los Angeles Griffith Park Comment
  RSA653619  Lolium perenne subsp. multiflorum Monica Acosta 1998-5-26 24 Los Angeles Parking lot J at California State Polytechnic University(Cal Poly Pomona) 226 Comment
  UCR219421  Lolium perenne subsp. multiflorum R. G. Swinney 2009-3-26 10169 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River at El Encanto Azusa River Wilderness Park 296 Comment
  SEINET11678812  Lolium temulentum Unknown 1936-1 12863 Los Angeles Westwood, Los Angeles Comment
  LA202573  Lomatium dasycarpum Carl Epling; 1926-5-18 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA670042  Lomatium dasycarpum D. Yost 1967-4-15 s.n. Los Angeles Malibu 152 Comment
  LA209587  Lomatium dasycarpum subsp. dasycarpum Carl Epling; 1926-5-18 Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA0037090  Lomatium dasycarpum subsp. dasycarpum Vasu Dev, Barbara Dev, Chris Hanzlik 2007-4-22 s.n. Los Angeles About six miles north-east off Bouquet Canyon Road beyond its junction with Vasquez Canyon Road, north-west facing hill above the cabins. 730 Comment
  POM3340  Lomatium lucidum O. Kenney 1893-2-15 s.n. Los Angeles Foothill soil, collected near Pasadena Comment
  SD254520  Lomatium lucidum R. G. Swinney 2011-5-10 14646 Los Angeles San Gabriel Mountains: c. 0.4 mile NE of Manzanita Mt. along connection trail between Hillside Trail and Manzanita Mt. trail, inside Placerita Canyon Natural Area (Mint Canyon 7.5'Q) 500 Comment
  UC398767  Lomatium macrocarpum Katharine Brandegee 1916-1 Los Angeles Santa Catalina Isl. Comment
  RSA653154  Lomatium mohavense B. Pitzer 1998-5-23 3749 Los Angeles Soledad Canyon: vicinity of Soledad Pass, Soledad Canyon Rd ca 1/2 mi. S of Sierra Hwy., 34 29.26'N, 118 08.2W [UTM 10km cell: 11SLJ-9E, 1N. Soledad Canyon] 945 Comment
  RSA0073283  Lomatium nevadense var. parishii Bonnie C. Templeton 1932-5-31 4655 Los Angeles Near Jackson Lake, Big Pines Camp, San Gabriel Mts. Comment
  RSA455171  Lonicera hispidula var. vacillans F. R. Fosberg 1931-5-18 S- 4909 Los Angeles Sweetwater Canyon, Santa Catalina Island 150 Comment
  UC28539  Lonicera subspicata var. denudata J. H. Barber 1897-1-9 10 Los Angeles Santa Monica Canyon Comment
  UC532165  Lonicera subspicata var. denudata L. F. Robbins July 1927 Los Angeles near Altadena Comment
  SD69869  Lonicera subspicata var. johnstonii R. F. Thorne, D. Propst 1968-5-27 37623 Los Angeles Santa Catalina Island; in upper Skull Canyon. 299 Comment
  RSA406756  Lotus argophyllus subsp. ornithopus Albert J. Perkins 1919-4-20 s.n. Los Angeles Catalina Island, road to summit. Comment
  UCR149908  Lotus crassifolius R. G. Swinney 1999-6-18 7337 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  UC184455  Lotus crassifolius var. crassifolius A. D. E. Elmer Jun 1902 3697 Los Angeles Acton Mt. Gleason Comment
  POM50113  Lotus dendroideus var. dendroideus L. W. Nuttall 1921-1-14 1006 Los Angeles Santa Catalina Island. Big Wash Canyon. Comment
  RSA406921  Lotus dendroideus var. dendroideus M. B. Dunkle 1928-11-25 2035 Los Angeles Hamilton Cove, Santa Catalina Island. Comment
  RSA406923  Lotus dendroideus var. dendroideus R. J. Smith 1934-5-24 s.n. Los Angeles Santa Catalina Island. Comment
  RSA406154  Lotus hamatus M. B. Dunkle 1929-4-7 2102 Los Angeles White's Landing, Santa Catalina Island. Comment
  UCR194602  Lotus oblongifolius R. G. Swinney 1998-7-24 6567 Los Angeles San Gabriel Mtns., upper Fish Fork of San Gabriel River 1585 Comment
  RSA0088077  Lotus procumbens R. G. Swinney 2010-5-19 12797 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  UC1922168  Lotus purshianus var. purshianus Valerie L. Soza, Ileene Anderson, LeRoy Gross 2000-6-6 975 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, southwest side: North of Chandler Fire Road (Verdugo Mtwy), N of ''La Tuna'', above Chandler and Fisher canyons, S of La Tuna Canyon Near 34deg 13' 36.7'' N 118deg 20' 9.2'' W T2N R14W NE/4, SW/4 sec. 27. Elev. 1600 Feet. Comment
  UC457253  Lotus salsuginosus Carl Epling 1931-4-18 Los Angeles Los Alisos Canyon Santa Monica Mountains Comment
  UCR208285  Lotus salsuginosus Justin M. Wood 2009-4-13 489 Los Angeles San Gabriel Mountains, Foothills above the city of Sierra Madre, 'one carter estates' at the end of Baldwin Ave. 67 Comment
  UCR259923  Lotus salsuginosus R. G. Swinney 2010-3-18 11978 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road 540 Comment
  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
  UC56564  Lotus scoparius var. brevialatus Miss E. D. Palmer Feb 1902 Los Angeles Los Angeles Comment
  RSA3232  Lotus scoparius var. scoparius C. B. Wolf 1931-7-2 s.n. Los Angeles Little Tujunga Wash 1/2 mile above the bridge on the road from Sunland to San Fernando. 335 Comment
  SEINET9357062  Lotus scoparius var. scoparius Unknown 1988-5-15 14 Los Angeles Topanga Canyon, Santa Monica Mtns Comment
  IRVC26322  Lotus strigosus A. C. Sanders, Andy Thompson 2003-4-15 26006 Los Angeles Newhall Ranch, south edge of Magic Mountain theme park, 0-400 ft. from fence NE end of Santa Susana Mtns. 366 Comment
  UCR276913  Lotus strigosus R. G. Swinney 2011-3-29 14272 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
  UCR282000  Lotus strigosus R. G. Swinney 2014-5-1 16318 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, east end of Holcomb Ridge, 2.2 road miles east of jct. of Bob's Gap Rd. and Panorama Rd., from base of ridge at Panorama Rd. to high point at 4519 ft. 1378 Comment
  RSA533967  Lotus strigosus T. S. Ross 1991-5-18 5169 Los Angeles San Clemente Island: 1300 feet NNW of Gud (888') marker. 241 Comment
  RSA597446  Lotus strigosus T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5234 Los Angeles San Clemente Island: southeast end of island; easternmost branch of Snake Cactus Canyon (drainage beginning 2350 feet due W of Guds) 131 Comment
  RSA709636  Lotus strigosus LeRoy Gross 2005-4-28 2145 -a Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  RSA599826  Lotus strigosus var. hirtellus Steve Boyd, Lauren Raz 1997-5-6 9755 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  UC1349362  Lotus wrangelianus Robert F. Thorne 1966-4-6 35894 Los Angeles ridge between White Cove and Moonstone Cove; Santa Catalina Island 15 Comment
  UCR149900  Lupinus R. G. Swinney 1999-6-18 7317 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 Comment
  UC1481364  Lupinus albifrons David B. Dunn 1957-4-2 RSA- 6450 -8292 Los Angeles Comment
  UCR43292  Lupinus andersonii David Charlton 1986-6-15 271 Los Angeles San Gabriel Mtns, Betweeen Blue Ridge Campground (1.5 air mi SSE of Bigpine) and the reservoir at the top of Chisolm Ski Run; along the reservoir maintenance road, 0.7 to 1.2 mi south of Angeles Crest hwy on Forest Road 3N06 2439 Comment
  SEINET10484847  Lupinus benthamii James S. Henrickson 1966-4-16 Henrickson 2251 Los Angeles 5 miles e of gorman, in grassy fields; flowers dark blue with large white spot On banner; abundant 914 Comment
  JEPS87213  Lupinus bicolor Rhonda Riggins 1988-3-25 1596 Los Angeles 3.2 mi e 170th St. W. (Lancaster Rd. 3.2 mi w jct with 110th St. W, Antelope Valley); Antelope Valley 822 Comment
  RSA488017  Lupinus bicolor Mark Hoefs 1974-5-2 454 Los Angeles Santa Catalina Island. Above Parson's landing 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
  UC917859  Lupinus bicolor Frank W. Gould 1944-4-1 2187 Los Angeles Playa Del Rey 0 Comment
  RSA0019386  Lupinus bicolor Jim Reutzel 1994-5-29 s.n. Los Angeles Los Angeles Reservoir [Puddingstone Reservoir?] on northwest side. Comment
  SFV6178  Lupinus bicolor R. M. Muran 1974-5-16 78 Los Angeles Santa Monica Mountains Rustic Canyon about 2 miles from Mulholland Drive. 412 Comment
  UC1183623  Lupinus bicolor Dave Dunn 1941-3-29 967 Los Angeles Huntington Drive and Rosemead Blvd. Comment
  UC865051  Lupinus bicolor I. W. Clokey, B. C. Templeton 1930-4-8 4716 Los Angeles n Elizabeth Lake; n of Elizabeth Lake 800 Comment
  UCD107166  Lupinus bicolor D. Dunn 1941-3-29 976 Los Angeles in vacant lot, Pomona. Comment
  UCR50072  Lupinus bicolor subsp. microphyllus Steve Morgan 1974-4-16 35 Los Angeles San Fernando Valley, 9648 Haddon Avenue, Pacoima 280 Comment
  POM350034  Lupinus bicolor subsp. microphyllus L. C. Wheeler 1933-4-7 1627 Los Angeles Temple City. 107 Comment
  UC1129424  Lupinus chamissonis H. A. Jensen 1933-4-25 290 Los Angeles along the coast n El Segundo; Redondo Quad. Comment
  UC57539  Lupinus chamissonis Geo. B. Grant 1903-5-16 5507 Los Angeles Redondo Comment
  RSA187895  Lupinus concinnus Robert F. Thorne 1966-4-5 35872 Los Angeles Santa Catalina Island: above stream in Cottonwood Canyon 107 Comment
  RSA599807  Lupinus concinnus var. optatus Steve Boyd, Lauren Raz 1997-3-25 9299 Los Angeles Liebre Mountains region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch. 1097 Comment
  UC535036  Lupinus elatus Victor Duran 1933-7-26 3535 Los Angeles Buckhorn; San Gabriel Mts., Buckhorn 1981 Comment
  CAS-BOT-BC216667  Lupinus excubitus subsp. hallii Reid Moran 1941-3-13 704 Los Angeles Mouth of Hermit Gulch, Santa Catalina Island 50 Comment
  POM50194  Lupinus excubitus var. austromontanus A. D. E. Elmer 1902-06 3723 Los Angeles Acton, Mt. Gleason. Comment
  RSA571657  Lupinus excubitus var. hallii Reid V. Moran 1941-3-13 704 Los Angeles By Creek, mouth of Hermit Gulch, Santa Catalina 50 Comment
  UCR124584  Lupinus formosus B. C. Templeton, I. W. Clokey 1930-4-8 1491 Los Angeles San Gabriel Mtns., 1 mile north of Elizabeth Lake 976 Comment
  UCR270260  Lupinus formosus R. G. Swinney 2011-6-15 15158 Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  POM2657  Lupinus formosus C. F. Baker 1909-5-1 5303 Los Angeles Claremont. Comment
  UCSB31611  Lupinus formosus Griesel, Wesley 1962-5-12 Los Angeles Charleton Flats; San Gabriel Mts. 1524 Comment
  POM305936  Lupinus formosus var. formosus H. J. Ramsey 1938-5-22 1212 Los Angeles Altadena, Eaton Canyon Park Comment
  RSA535694  Lupinus guadalupensis T. S. Ross 1991-5-22 5451 Los Angeles San Clemente Island: Spray (Point), W side of island about 5300 feet N of Eel Point. 9 Comment
  SD49393  Lupinus guadalupensis Reid Moran 1959-3-9 7158 Los Angeles San Clemente Island, 1 mile north of Eel Point, in dry bottom of small arroyo 20 Comment
  OBI69325  Lupinus hirsutissimus John Knapp, Denise Knapp 2003-5-10 68 Los Angeles Catalina Island, 367196.09N x 3695593.63E 274 Comment
  RSA0085033  Lupinus latifolius subsp. parishii R. G. Swinney 2010-4-30 12446 Los Angeles Near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn. 537 Comment
  LA82133  Lupinus longifolius O. H. Kappler; 1941-3-24 146 Los Angeles Santa Monica Mountains, Sepulveda Canyon 152 Comment
  UC1583147  Lupinus longifolius Tim Ross, Steve Boyd 1990-5-14 2465 Los Angeles Yerba Buena Ridge San Gabriel Mountains, Angeles National Forest, Tujunga Rang Comment
  SBBG9341  Lupinus microcarpus var. densiflorus E. R. Blakley 1958-5-9 2278 Los Angeles State Hwy 138, 3.5 mi E of Gorman 1066 Comment
  SBBG44374  Lupinus odoratus G. Sphon, D. Hearn 1956-5-30 Los Angeles Black Butte, Antelope Valley Comment
  UCSB31613  Lupinus peirsonii Griesel, Wesley 1962-5-28 Los Angeles State Hwy. #2, 2-1/2 miles East of Dawson Saddle, San Gabriel Mts. 2286 Comment
  RSA249813  Lupinus sparsiflorus subsp. sparsiflorus R. F. Thorne 1973-4-20 43011 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
  RSA655988  Lupinus sparsiflorus subsp. sparsiflorus James Henrickson 1985-3-30 19772 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
  RSA414334  Lupinus succulentus Ora M. Clark 1929-3-3 1664 Los Angeles North pacific Beach Comment
  RSA0112056  Lupinus truncatus Richard G. Swinney 2011-3-29 14263 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
  LA209638  Lycium andersonii A. M. Johnson; 1932-4-17 3978 Los Angeles 6 mi. W of Palmdale Comment
  SD120699  Lycium andersonii Larry Salata, Jan Larson 1985-12-10 Los Angeles San Clemente Island: above old quarry, north side of Nots Pier Road, 0.2 miles northest of main island road 182 Comment
  UCR56320  Lycium andersonii S. J. Myers, Ed LaRue 1989-3-20 s.n. Los Angeles Mojave Desert, Palmdale area, Elizabeth Lake Road at California Aqueduct, San Andreas Rift Zone bisects the site 884 Comment
  SBBG22305  Lycium cooperi M. A. Piehl 1963-5-18 63312 Los Angeles foothills just N of Goode Pass 914 Comment
  UCR108202  Lycium cooperi L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mtns, Pallett Creek 1280 Comment
  UCR223120  Lycium cooperi R. G. Swinney 2009-5-13 10792 Los Angeles Transverse Range; San Gabriel Mtns. Foothills, Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  UCSB18024  Lycium cooperi Gates, C. 1963-5-3 Los Angeles State Highway 138, 11.2 miles E of Pearblossom 1066 Comment
  RSA276864  Lycium ferocissimum T. C. Fuller 1979-1-16 20255 Los Angeles Playa del Rey, 400 m north of 431 East Culver Blvd. Comment
  SEINET10696888  Lycopersicon esculentum Mary Merello, Heidi H. Schmidt 1999-12-4 Merello 2533 Los Angeles The Farmers Market, 6333 3rd St. Stand: Farm Fresh. Comment
  CATA1954  Lyonothamnus floribundus subsp. floribundus Martin A. Piehl 1962-10-6 62 -512 Los Angeles Santa Catalina Island: Grove 3, probably in canyon between Pebbly Beach and Renton Mine 0 Comment
  RSA23578  Lyonothamnus floribundus subsp. floribundus Percy C. Everett 1939-8-22 9536 Los Angeles Santa Catalina Island. East slope of Blackjack Peak in Swain's Canyon. 457 Comment
  SBBG43852  Lyonothamnus floribundus var. aspleniifolius M. R. Benedict 1971-6-26 Los Angeles S fk of Eagle Cyn, N of Triangulation Pt "Gray" 457 Comment
  SD230176  Madia elegans subsp. wheeleri Steve Boyd, Laura Moore, Mike Wall 1997-7-24 10021 B Los Angeles Liebre Mountains Region: Summit of Liebre mountain, saddle between Richardson and Bear canyons, along Forect Service Road (7N23), 0.05 miles east of junction with road to Bear Gulch Camp (7N23A). 1646 Comment
  UCD134258  Madia exigua Louis C. Wheeler 1967-6-16 9844 Los Angeles San Gabriel Mountains; Sunset Ridge by Millard Canyon, north side NE of Coulter Reservoir. 640 Comment
  CAS-BOT-BC343067  Madia gracilis Robert F. Thorne 1967-5-18 36857 Los Angeles Santa Catalina Island: Middle Bulrush Canyon 243 Comment
  POM4966  Madia gracilis I. M. Johnston 1917-7-1 1438 Los Angeles Evey Canyon 915 Comment
  RSA0088007  Madia gracilis R. G. Swinney 2010-6-21 13297 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
  RSA591976  Madia gracilis Mark Hoefs 1974-5-2 444 Los Angeles South side of Black Jack Mt., Santa Catalina Island. 488 Comment
  RSA69532  Maianthemum stellatum Frank W. Peirson 1921-7-17 2349 Los Angeles Prairie Fork of San Gabriel River, San Gabriel Mountains. 2134 Comment
  SD60292  Malacothamnus davidsonii C. B. Wolf 1932-9-15 4076 Los Angeles Ca. 0.5 mile south of San Fernando and 2 blocks east of San Fernando Road on Vaughn Ave. 305 Comment
  CAS-BOT-BC206230  Malacothamnus fasciculatus Robert F. Thorne; C. W. Tilforth 1971-6-17 39976 Los Angeles Little Tujunga Creek, 2 mi. up Loer Tujunga Rd. from Forestry Headquarters, San Gabriel Mts., Angeles National Forest 457 Comment
  RSA596270  Malacothamnus fasciculatus R. G. Swinney 1989-4-25 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. Disturbed area on Big Dalton Canyon Road, 0.9 mi. E of Glendora Mtn. Rd. 427 Comment
  RSA434308B  Malacothamnus fremontii Bonnie C. Templeton 1926-3-18 s.n. Los Angeles Arroyo Seco. Comment
  UCR68613  Malacothamnus fremontii T. S. Ross, Steve Boyd 1990-6-6 2889 Los Angeles Los Padres National Forest, Piru Pond 645 Comment
  UCD23363  Malacothrix californica Sally Jue 1977-4-24 40 Los Angeles Annual herb, flower heads pale yellow; creosote bush scrub, sandy flats, full sun. Beside 230th Street, East, 0.8 mile north of junction with Avenue O. Antelope Valley, about 29 miles east of Lancaster. 853 Comment
  RSA126775  Malacothrix californica G. T. Nordstrom 1935-4-6 443 Los Angeles 2 1/4 miles northeast of Mouth of Snowy Creek 976 Comment
  POM82724  Malacothrix clevelandii P. A. Munz 1925-4-23 9453 Los Angeles San Gabriel Canyon. 488 Comment
  RSA599870  Malacothrix clevelandii Steve Boyd, Lauren Raz 1997-5-6 9715 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  UCR108355  Malacothrix clevelandii Scott D. White, Pam DeVries 1998-5-15 6491 Los Angeles San Gabriel Mtns., Soledad Canyon area: proposed quarry area north of Soledad Canyon Rd, south of I-14 freeway, east of Bee Canyon and west of Agua Dulce Canyon 823 Comment
  UC33277  Malacothrix coulteri Dr. A. Davidson May 1895 Los Angeles Antelope Valley Comment
  OBI15679  Malacothrix coulteri Bill Arbaugh 1966-4-16 20 Los Angeles W on 138 from Landcaster [Lancaster] 457 Comment
  SBBG131495  Malacothrix foliosa S. A. Junak, B. Collins 1991-4-24 SCI 187 Los Angeles dune area, just N of Eel Cove Cyn, E side of dunes 42 Comment
  SD91996  Malacothrix foliosa subsp. foliosa Reid Moran, R. M. Beauchamp and T. Oberbauer 1975-8-24 B 22699 Los Angeles San Clemente Island, China Canyon. 74 Comment
  SBBG66066  Malacothrix glabrata R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  RSA95004  Malacothrix glabrata F. W. Peirson 1917-5-13 1477 Los Angeles Near Little Rock, Mojave Desert. Comment
  UCD134415  Malacothrix glabrata Michael Alvord; Marc Blain, Mark Meyers 1993-5-1 34 Los Angeles City of Llano, Mojave Desert, 0.4 mile south of Hwy 138, on Largo Vista Road, west side of road. 825 Comment
  JEPS36608  Malacothrix saxatilis var. tenuifolia Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco Los Angeles Comment
  RSA358189  Malacothrix saxatilis var. tenuifolia R. F. Thorne 1973-09 44722 Los Angeles Santa Catalina Island. Blue Cavern Point Comment
  UC1922891  Malacothrix saxatilis var. tenuifolia Valerie Soza, L. Lubinsky 2001-5-16 1229 Los Angeles Transverse Ranges; Verdugo Mountains; Northern San Rafael Hills, Liz's Loop (Edison Road) to Cherry Canyon Fire Road 488 Comment
  UC370910  Malacothrix saxatilis var. tenuifolia R. L. Pendleton 1909-7-2 1355 Los Angeles road e Avalon; Santa Catalina Island 9 Comment
  RSA922  Malacothrix saxatilis var. tenuifolia J. T. Howell 1928-6-29 995 Los Angeles Neaar Santa Monica 76 Comment
  CAS-BOT-BC167858  Malosma laurina Carl B. Wolf 1927-7-24 678 Los Angeles Chevy Chase Drive between Flintridge & Glendale Comment
  CAS-BOT-BC167859  Malosma laurina H. E. McMinn 1924-7-25 1306 Los Angeles Catalina Island Comment
  RSA386397  Malosma laurina F. R. Fosberg 1931-7-14 S- 5411 Los Angeles Whites Landing, Santa Catalina Island. 5 Comment
  RSA386398  Malosma laurina F. R. Fosberg 1931-3-25 S- 4357 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island. 5 Comment
  POM12289  Malva parviflora F. L. Robinson 1921-4-15 21 Los Angeles Orchard N of Claremont. Comment
  HSC15990  Malva parviflora C. S. Apperson 1966-4-4 Los Angeles Pierce College Arboretum, Woodland Hills Comment
  RSA434891  Malva parviflora F. R. Fosberg 1930-6-30 S- 3071 Los Angeles Del Rey. 2 Comment
  RSA662139  Malva parviflora Carol Zuck 1981-2-3 10 Los Angeles Cul de sac at the end of Springfield St. Comment
  LA201760  Malvella leprosa Arthur C. Gibson; 2003-10-7 4839 Los Angeles 204 Comment
  SEINET10634896  Mangifera indica Mary Merello, Heidi H. Schmidt 1999-12-6 Merello 2631 Los Angeles City of Pasadena. Wild Oats Market, 603 S. Lake. Comment
  CATA3228  Marah macrocarpa Julie L. King 2017-1-17 39 Los Angeles Santa Catalina Island: South side of West End Rd., about 75 meters west of junction with Howlands Watertank Rd. 33 Comment
  LA33771  Marah macrocarpa Peter H. Raven; 1959-2-15 13790 Los Angeles Santa Monica Mountains, Benedict Canyon, 0.3 mi S of Mulholland Dr 335 Comment
  RSA3681  Marah macrocarpa C. B. Wolf 1932-5-9 3455 Los Angeles Pebbly Beach, Santa Catalina Island. 30 Comment
  SD84919  Marah macrocarpa Mary H. Ward 1971-3-2 127 Los Angeles San Rafael hills, SW Pasadena, behind Linda Vista 305 Comment
  SD79022  Marah macrocarpa var. major R. Mitchel Beauchamp 1967-1-27 107 Los Angeles San Clemente Island, east of Wilson Cove area, in field Comment
  RSA603191  Marrubium vulgare Louis C. Wheeler 1972-12-20 12790 Los Angeles San Gabriel Mountains: Cow Canyon Saddle 1372 Comment
  UCSB5705  Marrubium vulgare Wedberg, H. 1958-2-22 Los Angeles About 2 miles west of Beverly Glen Blvd, on Mulholland Drive, Santa Monica Mts Comment
  RSA526614  Marrubium vulgare Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 s.n. Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  SD185150  Matricaria discoidea S. J. Myers 2005-5-11 Los Angeles Northeast of Lancaster, southwest of the intersection of Ave. H and 10th Street. 719 Comment
  RSA600318  Matricaria matricarioides Scott D. White 1997-3-12 4756 Los Angeles Zuma Beach area: mouth of Zuma Creek, E end of the County Beach. 7 Comment
  POM266319  Matricaria matricarioides J. C. Roos 1942-3-23 1089 Los Angeles Zonal St. Comment
  POM362437  Matricaria matricarioides Elbert Benjamine 1929-3-17 105 Los Angeles Roadside, Burbank Comment
  RSA651344  Matthiola incana Ken Chapman, Glenn Harthorn, Don Lage 1949-4-16 s.n. Los Angeles Western end of Mojave Desert. 925 Comment
Read comments
Sep 16 2015
  RSA445533  Meconella denticulata Anstruther Davidson 1890-05 s.n. Los Angeles Near Burbank Comment
  CDA4222  Medicago polymorpha L. C. Wheeler 1967-5-18 9649 Los Angeles San Gabriel Mountains, vicinity of Oak of the Golden Dream. Comment
  UCR51054  Melaleuca viminalis A. C. Sanders 1988-3-17 7727 Los Angeles Pacific Coast, El Segundo Dunes, immediately west of the LA International airport and Pershing Dr., east of Vista Del Mar Blvd. 30 Comment
  CAS-BOT-BC281516  Melica imperfecta Frank W. Gould 1944-4-1 2193 Los Angeles At Playa Del Rey Comment
  RSA529303  Melica imperfecta Timothy S. Ross 1991-4-8 4473 Los Angeles Elephant Hill: western Pomona. 229 Comment
  SEINET13386986 Image available Melica imperfecta R. G. Swinney 2010-1 12197 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon (San Fernando 7.5' Q.) (T3N R14W S30) 561 Comment
  UCR187024  Melica imperfecta A. C. Sanders 2006-4-25 32168 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
  UCR270268  Melica imperfecta R. G. Swinney 2010-6-1 13098 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
  RSA549531  Melica stricta var. albicaulis Timothy S. Ross, Steve Boyd 1990-6-18 3449 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  UC1595448  Melilotus albus Tim Ross 1992-7-10 6664 Los Angeles between Coldwater Canyon and Wickiup Canyon; San Gabriel Mountains, Big Tujunga Creek 967 Comment
  LA200491  Melilotus albus J. Fisher; 1940-4-22 sn Los Angeles Santa Monica Mountains, Franklin Canyon Comment
  LA200496  Melilotus indicus Norman A. Cole; May 1964 323 a Los Angeles SANTA MONICA MOUNTAINS, Piuma Rd, 1.2 mi from junction of Rambla Pacifico and Schuern Road. 685 Comment
  RSA586658  Mentzelia albicaulis Orlando Mistretta 1995-6-1 1746 Los Angeles San Gabriel Mountains, Carr Canyon, near mouth of Canyon. 945 Comment
  RSA0042495  Mentzelia jonesii Ed Kentner 2014-3-21 361 Los Angeles Western Mojave Desert, approx. 13 km east of Pearblossom, near the corner of Largo Vista Road and Avenue X-8. 1876 Comment
  POM2968  Mentzelia micrantha C. F. Baker 1904-05 4705 Los Angeles Hills near Claremont. Comment
  UCR272985  Mentzelia micrantha R. G. Swinney 2011-4-26 14504 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
  UCR206267  Mentzelia montana R. G. Swinney 2008-6-10 8999 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, 2.4 miles SSE of park headquarters on South Fork Trail 1585 Comment
  CAS-BOT-BC167622  Mentzelia veatchiana Cecil Hart 1930-4-27 s.n. Los Angeles Between Lancaster & Victorville Comment
  RSA0115478  Mentzelia veatchiana A. C. Sanders, T. B. Salvato, Michael Honer 2007-4-25 33520 Los Angeles Western End of Antelope Valley and Mojave Desert: hills south of Hwy 138 at 290th St. West, SW of VABM Zana. 915 Comment
  UC56514  Mentzelia veatchiana Ernest Braunton 1902-4-30 219 Los Angeles n Pomona Comment
  UCR114073  Mentzelia veatchiana L. C. Wheeler 1973-4-7 s.n. Los Angeles San Gabriel Mtns., Kentucky Springs Canyon 1220 Comment
  SBBG53308  Mesembryanthemum crystallinum D. M. Power 1972-11-11 Los Angeles terrace W of Wilson's Cove Comment
  CAS-BOT-BC435290  Mesembryanthemum nodiflorum Robert F. Thorne 1970-3-6 39397 Los Angeles Santa Catalina Island: Indian Rock in Emerald Bay 15 Comment
  POM18220  Mesembryanthemum nodiflorum P. A. Munz 1923-4-13 6786 Los Angeles San Clemente Island. Comment
  RSA611812  Micropus californicus var. californicus L. C. Wheeler 1968-5-15 s.n. Los Angeles Spring Hill, San Antonio Canyon 1220 Comment
  RSA393756  Micropus californicus var. californicus L. C. Wheeler 1934-4-15 2520 Los Angeles San Gabriel Mountains: Liveoak Canyon. 488 Comment
  POM30409  Microseris lindleyi George B. Grant 1905-4-20 s.n. Los Angeles Pasadena. Comment
  RSA727251  Microseris lindleyi R. G. Swinney 1998-6-12 6188 Los Angeles San Gabriel Mtns.: SW of Pinon Hills, 0.2 mi. due east of reservoir of mouth of Mescal Canyon. 1448 Comment
  RSA533960  Microseris lindleyi Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5195 Los Angeles San Clemente Island: 1300ft NNW of Guds (888') marker. 241 Comment
  UCR183841  Microseris sylvatica A. C. Sanders 2007-4-19 33418 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  UCR210120  Mimulus R. G. Swinney 2008-7-24 9344 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
  LA51930  Mimulus aurantiacus Carl Epling; 1925-5-15 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  RSA650926  Mimulus aurantiacus Daniel Curran 1981-2-25 27 Los Angeles San Dimas Canyon Rd. 0.3 miles S of San Dimas Dam. Comment
  RSA0045479  Mimulus aurantiacus Jami Liberi 1983-5-1 29 Los Angeles Located in Claremont, across the street from the San Antonio Dam. 640 Comment
  RSA442631  Mimulus aurantiacus var. pubescens Adele G. Axtman 1931-7-6 s.n. Los Angeles Foothills, South Pasadena Comment
  RSA442633  Mimulus aurantiacus var. pubescens A. M. Johnson 1934-5-1 4447 Los Angeles Shaded moutain side, Sepulveda Canyon. Comment
  SEINET3860456  Mimulus aurantiacus var. pubescens R. G. Swinney 2009-4-15 10343 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: north of Azusa, El Encanto Azusa River Wilderness Park.; 0 90 Comment
  RSA177792  Mimulus aurantiacus var. puniceus Robert F. Thorne, Percy C. Everett 1965-5-10 34443 Los Angeles Black Jack Mt., few hundred feet below summit; Santa Catalina Island 488 Comment
  POM219977  Mimulus aurantiacus var. puniceus F. R. Fosberg 1932-5-5 8105 Los Angeles n. [north of?] Avalon, Santa Catalina Island 40 Comment
  RSA420383  Mimulus brevipes G. R. Johnstone 1925-4-10 s.n. Los Angeles Mt. Lowe. Comment
  SFV15553  Mimulus brevipes R. K. Stachelek 1992-5-2 30 Los Angeles Santa Monica Mountains Tapia Park, off Malibu Canyon Road. 150 Comment
  SFV15501  Mimulus brevipes E. J. Spencer 1992-4-29 19 Los Angeles San Gabriel Mountains Ruby Canyon, east of Lake Hughes Road, 12.4 miles from I-5. 549 Comment
  RSA584959  Mimulus cardinalis Tim S. Ross, S. D. Boyd 1990-6-1 2772 Los Angeles Magnetic Springs: in Moody Canyon (ca. 2.15 air-miles NW of Mt. Gleason). 1195 Comment
  UCR209860  Mimulus cardinalis R. G. Swinney 2008-7-13 9184 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, east fork of Bell Canyon at debris basin 756 Comment
  RSA0050045  Mimulus cardinalis Wendy Boes, Andrew Wheeler 2009-7-13 2009 -049 Los Angeles San Gabriel Mountains; Crystal Lake Recreation Area, Big Cienega Springs Forest Service RD 3N07.3 1981 Comment
  RSA132232  Mimulus cardinalis Gale Sphon 1959-6-27 376 Los Angeles West of junction of Big Rock Creek Road with paved road, San Gabriel Mountains. 2058 Comment
  RSA650614  Mimulus cardinalis R. S. Woglum 1937-7-17 832 Los Angeles Soldier Creek, North Fork San Gabriel River Canyon. Comment
  UCR190010  Mimulus floribundus R. G. Swinney 1998-7-30 6593 Los Angeles San Gabriel Mtns., lowest large waterfall in Spruce Canyon, a tributary from the west of San Antonio Canyon 976 Comment
  UCR258556  Mimulus floribundus R. G. Swinney 2010-5-29 13020 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  RSA435503  Mimulus floribundus F. R. Fosberg, Joseph A. Ewan 1931-8-10 4904 Los Angeles Crystal Lake, N fork San Gabriel River. San Gabriel Mountains. 1616 Comment
  UC1483364  Mimulus guttatus Jack Delaini 1974-4-25 137 Los Angeles at mouth Lodi Canyon (San Dimas Creek); Angeles National Forest, San Dimas Experimental Forest 426 Comment
  JEPS10610  Mimulus pilosus Frank W. Peirson 1918-10-16 269 Los Angeles Pacoima Canyon San Gabriel Mountains 548 Comment
  RSA659873  Mimulus pilosus Orlando Mistretta 1992-8-20 780 Los Angeles Transverse Ranges; San Gabriel Mtns Region: Mt Gleason. Tujunga Ranger District. Comment
  UC1595447  Mimulus pilosus Tim Ross 1992-7-10 6651 Los Angeles creek between Coldwater Canyon and Wickiup Canyon; San Gabriel Mountains, Big Tujunga Creek 967 Comment
  POM17791  Mimulus pilosus P. A. Munz 1923-8-31 7699 Los Angeles Mescal Creek, San Gabriel Mountains 1951 Comment
  SBBG53307  Mirabilis californica D. M. Power 1972-11-11 Los Angeles dunes, San Clemente Island Comment
  RSA781014  Mirabilis laevis R. G. Swinney 2009-5-13 10774 Los Angeles upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills. 1122 Comment
  LA30860  Mirabilis laevis var. crassifolia Peter H. Raven; Jane Turner, Barbara Whitesel 1959-3-15 C- 157 Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  SD30969  Mirabilis laevis var. crassifolia Edith A. Purer 1931-3-12 974 Los Angeles Palos Verdes Hills. Comment
  RSA0119031  Mirabilis multiflora var. pubescens Michael Honer 2007-4-24 2526 Los Angeles Tehachapi Mnts Foothills: east end of Oso Canyon c. 1.5 mi north of Hwy 138. 976 Comment
  LA209929  Monolopia lanceolata Arthur C. Gibson; 2005-5-5 5063 Los Angeles Simi Hills, Cheeseboro Canyon, Chesseboro SMMNRA, Along hiking trail just above Senecio breweri site Comment
  SD134512  Monolopia lanceolata Craig Reiser 1991-5-6 Los Angeles Palmdale, Verde Ridge Comment
  POM222639  Muhlenbergia asperifolia L. C. Wheeler 1932-8-2 1107 Los Angeles N Fork San Gabriel River, San Gabriel Mountains 1433 Comment
  SEINET4044472  Muhlenbergia microsperma D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 289 Comment
  SEINET4672170  Muhlenbergia microsperma J. B. Davy 1901-3-1 s.n. Los Angeles Saugus Comment
  UCR191164  Muhlenbergia rigens R. G. Swinney 1999-6-28 7460 Los Angeles San Gabriel Mtns./Mojave Desert, Graham Canyon, south of Mescal Highlands Rd. 1506 Comment
  RSA0127985  Muilla coronata Kevin Cornell 2017-3-27 s.n. Los Angeles Lebata Mine to the northeast of the city of Pearblossom. 868 Comment
  UCR264440  Muilla coronata John F. Green 2008-3-26 308- 12 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
  RSA377606  Muilla maritima Anstruther Davidson 1890-04 s.n. Los Angeles Near Burbank Comment
  UCR190017  Muilla maritima R. G. Swinney 1998-6-12 6954 Los Angeles San Gabriel Mtns., NW of Jackson Lake at Ball Flat, 0.7 mi. north of Big Pines Hwy on 4N16, Ball Flats Rd. 1890 Comment
  SBBG127965  Munzothamnus blairii M. G. Simpson, A. Russell, J. Dunn 2000-7-20 2204 B Los Angeles S side of Eagle Cyn 457 Comment
  RSA628798  Myriophyllum aquaticum H. L. Cogswell 1948-5-8 s.n. Los Angeles 3 mi. S. of El Monte. S.W. Cate Ditch property, San Gabriel River Wildlife Santuary. Comment
  RSA702365  Nassella cernua Scott D. White, Pam DeVries 2004-6-14 10492 -A Los Angeles Eastern Santa Susana Mountains. West of the I-5 Freeway, ca. 4 mi N of I-5 / SH-14 jtn and 6 mi S of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  CAS-BOT-BC177161  Nassella lepida A. C. Sanders 2003-4-29 26186 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 457 Comment
  UC821969  Nassella lepida F. R. Fosberg 1931-3-19 S 4304 Los Angeles se slope near Avalon; Santa Catalina Island, Hamilton Canyon 10 Comment
  CAS-BOT-BC259917  Nassella lepida Carl B. Wolf 1932-5-12 3580 Los Angeles Santa Catalina Island. Hillside E of the isthmus 30 Comment
  SEINET12394364 Image available Nassella lepida J. M. Keefe 1977-1 22155 Los Angeles Glendale, Verdugo Mountains, trail to Water Caves, south fork Engleheard Canyon, 1 km south of camp Max Straus 400 Comment
  RSA577547  Nassella pulchra L. C. Wheeler 1936-6-6 4116 Los Angeles E side San Dimas Canyon near dam, San Gabriel Mountains. 457 Comment
  RSA604517  Nassella pulchra Sara L. Crockett, Sheila Schueller 1997-3-8 562 Los Angeles Santa Catalina Island. Point overlooking Cottowood Beach. 79 Comment
  SBBG98546  Nassella pulchra T. Ross, O. Mistretta, M. Hammitt 1991-5-20 5340 Los Angeles between Box and Horse Cyns 484 Comment
  UCR182391  Navarretia hamata R. G. Swinney 1998-5-15 6054 Los Angeles San Gabriel Mountains, San Gabriel (Azusa) Canyon, 1.5 mi. north of Foothill Blvd. on east side of Encanto Rd. 183 Comment
  RSA584177  Navarretia hamata subsp. hamata T. S. Ross 1990-5-15 2528 Los Angeles Yerba Buena Ridge; Tujunga Ranger Distruct, Angeles National Forest; peripheral ridge N from Yerba Buena Rd. dividing tributaries of Oak Spring Canyon (W) and Boulder Canyon (N) 914 Comment
  RSA710276  Navarretia mitracarpa A. C. Sanders, T. B. Salvato 2005-5-24 30280 Los Angeles Santa Clarita area, nameless canyon NW of community of Mint Canyon, tributary of Santa Clara River 518 Comment
  UCD48615  Navarretia prostrata Beecher Crampton 1963-5-8 6794 Los Angeles Los Angeles. N of Gardena, Rosecrans Ave, just W of its junction with Western Ave. Comment
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Feb 19 2006
  RSA775513  Nemacladus longiflorus var. breviflorus Orlando Mistretta, Christine Mistretta 2010-5-20 5174 Los Angeles San Gabriel Mountains region: Aliso Creek, slopes W of Angeles Forest Hwy., 0.6 miles S of jct. with Aliso Cyn. Rd. 1280 Comment
  RSA0021951  Nemacladus pinnatifidus Orlando Mistretta, Christine Mistretta 2011-7-13 5939 Los Angeles Fall Creek Cyn near confluence with Big Tujunga Cyn, along Forest Road 3N27. 1005 Comment
  SEINET10460884  Nemacladus sigmoideus Ferris 1938-5-13 FERRIS 9480 Los Angeles 4 miles northeast of Lancaster on the Muroc Road Comment
  SDSU6137  Nemophila menziesii J. Godsil 1952-4-1 151 Los Angeles Azusa Canyon. Angeles Natl. Forest near Coldstream Guard Station. 1036 Comment
  UC56876  Nemophila menziesii Ernest Braunton 1902-4-30 216 Los Angeles North Pomona Comment
  CSUSB117  Nemophila menziesii Virginia M. Bolton 1966-5-4 Los Angeles Foothills below Mount Baldy. Comment
  RSA618787  Nemophila menziesii var. integrifolia Louis C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon approximately 1/2 mile east of Blum Ranch. 945 Comment
  RSA0103429  Nicotiana attenuata R. G. Swinney 2011-7-7 15417 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  POM4067  Nicotiana bigelovii var. wallacei Unspecified 1906-6-4 s.n. Los Angeles Claremont. 366 Comment
  CAS-BOT-BC231564  Nicotiana glauca J. H. Thomas 1956-9-29 6460 Los Angeles Pasadena. Behind Devil's Gate Dam Comment
  RSA0057922  Nicotiana glauca Richard G. Swinney 2010-4-15 12219 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  RSA119397  Oenothera deltoides subsp. deltoides William M. Klein 1958-6-3 290 Los Angeles 33.3 mi W of turn-off just n. of Adelanto on the road to Lancaster (Palmdale), nw of the Wilson school. Comment
  RSA0021963  Oenothera elata subsp. hookeri Duncan S. Bell, Caitlin Elam 2013-6-24 5287 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
  UCR168964  Opuntia basilaris A. C. Sanders 2003-5-1 26262 Los Angeles Western San Gabriel Mtns., SE slopes of Castaic Mesa above Charlie Canyon, east of Lake Hughes Rd. and ESE of the filtration plant, Newhall Ranch property 396 Comment
  POM288131  Opuntia littoralis David Griffiths 1908-8-21 9491 Los Angeles San Pedro. Comment
  UCSB31762  Opuntia oricola Patterson, Ralph 1965-4-1 Los Angeles Palos Verdes; Palos Verdes Foothills 7 Comment
  UC566846  Oreonana vestita Herbert L. Mason 1927-6-15 3781 Los Angeles Old Baldy 2895 Comment
  UC537982  Orobanche fasciculata I. M. Johnston 1917-7-28 Los Angeles San Antonio Mountans. N. Fork, San Antonio Canyon. Comment
  UCR193152  Orobanche fasciculata R. G. Swinney 1999-8-14 7620 Los Angeles San Gabriel Mtns., west Dawson Peak ridge, c. 1 mile due west of Dawson Peak 2488 Comment
  UCR271122  Orobanche fasciculata R. G. Swinney 2011-7-8 15499 Los Angeles San Gabriel Mountains, 'Strawberry Potrero', uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  RSA402066  Orthocarpus purpurascens N. C. Cooper 1945-5-1 2222 Los Angeles Tapia Park area, Santa Monica Mountains. 610 Comment
  POM147841  Orthocarpus purpurascens var. pallidus Marcus E. Jones 1927-4-20 s.n. Los Angeles San Dimas Comment
  UC894264  Osmadenia tenella Alice Eastwood 1906-5-24 Los Angeles Garvanza Lake Tahoe Region Comment
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Jan 11 2015
  UC1400352  Osmorhiza brachypoda Donald R. Bissing 1973-2-22 6 Los Angeles Evey Canyon San Gabriel Mountains (1.0 mi from canyon mouth, on ne face of canyon wall) 853 Comment
  CATA381  Oxalis californica Mark L. Hoefs 1974-5-1 441 Los Angeles Santa Catalina Island: Northwest side of Renton Mine Road, approximately halfway to top, southeast exposure 152 Comment
  RSA127798  Oxalis corniculata Peter H. Raven, H. J. Thomson 1959-9-18 250 Los Angeles Santa Monica Blvd near Beverly Glen Blvd, W Los Angeles. 76 Comment
  UCD111027  Oxalis pes-caprae B. Pitzer 1996-5-5 2870 Los Angeles Palos Verdes Hills, San Pedro Navel Fuel Depot, at San Pedro Hill. 409 Comment
  UCR106759  Oxalis pes-caprae B. G. Pitzer 1996-5-5 2870 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 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
  UCR202720  Oxytheca parishii var. parishii R. G. Swinney 2001-8-18 8057 Los Angeles San Gabriel Mtns., Ross Mtn., 2.5 miles south of Mt. Baden Powell on the same ridge 2257 Comment
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Aug 29 2012
  UCR275502  Oxytheca trilobata D. E. Bramlet 2011-8-17 4930 Los Angeles San Gabriel Mountains, NW of Hwy 2 near Chilao Campground 1619 Comment
  RSA64774  Oxytheca trilobata F. W. Peirson 1929-7-1 8418 Los Angeles Aliso Creek, San Gabriel Mts. 1098 Comment
  JEPS22764  Packera ionophylla Rimo Bacigalupi with Reino Alava 1958-7-20 6423 Los Angeles about 1.0 mi w Cedar Spring (n face of ridge, upper slopes of canyon); San Gabriel Mts, Angeles NF, Kratka Ridge, Little Rock Creek 2072 Comment
  CATA1842  Papaver californicum Denise Kraus, Patricia Moore 2000-5-8 24 Los Angeles Santa Catalina Island: (Goat Harbor burn area) North-facing slope off first westward trending ridge past large obvious rock outcrop. Several plants in general vicinity of Ironwood grove #81/ GHB Transect 24 304 Comment
  CAS-BOT-BC274180  Pappostipa speciosa Timothy S. Ross; Peter W. Fritsch; Steve Boyd; Orlando Mistretta 1990-6-22 3710 Los Angeles San Gabriel Mountains. Pinyon Ridge: Eastern half of the ridge, directly N of Fenner Canyon 1990 Comment
  UC572688  Parapholis incurva Nell Murbarger April, 1936 175 Los Angeles s end San Clemente Island; s end San Clemente Island Comment
  UCR33889  Parapholis incurva Mike Henry 1984-4-12 s.n. Los Angeles Flood control channel in Carson Comment
  SBBG119600  Parthenocissus vitacea A. C. Sanders, M. A. Elvin 2002-8-26 25588 Los Angeles Newhall Ranch, small spring at S edge of Santa Clara River Valley,SE of trailer park at Castaic Crk, downstream of large spring near "Airport Mesa" 305 Comment
  SD187491  Parthenocissus vitacea R. E. Riefner Jr. 2007-5-27 Los Angeles Near El Monte, vicinity of Whittier Narrows Nature Center, floodplain of San Gabriel River at Peck St. 68 Comment
  UCR217712  Paspalum dilatatum A. C. Sanders, Dan S. Cooper 2010-8-5 38550 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  UCR204903  Paspalum vaginatum R. E. Riefner Jr. 2006-7-8 06- 290 Los Angeles South Coast, city of Malibu, Malibu Lagoon, west lagoon south of Pacific Coast Hwy 1 Comment
  UCR176754  Passiflora caerulea Harry Spilman 1998-4-29 3 Los Angeles Pasadena, Arroyo Seco about 100 meters south of the La Loma Rd. bridge along the east side of the flood control basin 221 Comment
  RSA595996  Pectocarya anisocarpa L. C. Wheeler 1967-5-8 9352 Los Angeles San Gabriel Mts [Liebre Mtns]between Bouquet Junction and Bonelli Ranch. 396 Comment
  LA40175  Pectocarya linearis subsp. ferocula A. M. Johnson; 1932-3-12 3849 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  RSA213357  Pectocarya linearis subsp. ferocula Reid V. Moran 1941-3-11 698 Los Angeles Ridge north of Middle Ranch, Santa Catalina Island Comment
  RSA757215  Pectocarya linearis subsp. ferocula Orlando Mistretta, Christine Mistretta 2008-4-7 2366 Los Angeles along SCE transmission line corridor, ca. 1 mi. NW of intersection of transmission line with State Hwy. 14 (1.25 mi. NW of Vincent substation), southeast edge of Sierra Pelona Ridge. (Segment 5, structure 46 per TRTP survey-2008) 1031 Comment
  RSA159345  Pectocarya linearis subsp. ferocula P. H. Raven 1962-4-10 17224 Los Angeles Along summit ridge about 2 miles north of Thirst, San Clemente Island 488 Comment
  RSA731968  Pectocarya penicillata R. G. Swinney 2001-4-18 7890 Los Angeles Valyermo area, Bobs Gap, east of Bobs Gap Road at base of ridge.Sandy granitic soil in flat sandy area. 1223 Comment
  UCR220212  Pectocarya penicillata R. G. Swinney 2009-4-24 10472 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, just below Littlerock Creek Dam, in tributary canyon to the east 1000 Comment
  UCR220254  Pectocarya penicillata R. G. Swinney 2009-4-28 10506 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  UC496534  Pedicularis semibarbata T. Craig 1927-6-8 434 Los Angeles Bear Canyon Trail to summit of Mount San Antonio; San Gabriel Mountains 1828 Comment
  SBBG16839  Pellaea andromedifolia K. A. Wilson, D. E. Bianchi 1961-2-2 822 Los Angeles Placerita Rd; small gully 2 mi E of Hwy 6 Comment
  UC42642  Pellaea andromedifolia R. S. Norris June 1893 Los Angeles Catalina Island Comment
  POM50298  Pellaea mucronata subsp. mucronata L. R. Abrams 1901-4-8 s.n. Los Angeles Verdugo Hills. Comment
  SFV65  Pellaea mucronata var. mucronata K. A. Wilson 1961-3-11 987 Los Angeles San Gabriel Mountains San Francisquito Canyon. 1.5 miles south of Green Valley (Spunky Canyon Road). 825 Comment
  UC399528  Pellaea mucronata var. mucronata R. S. Norris April, 1893 Los Angeles Fern Canyon; Catalina Isl Comment
  UC42620  Pellaea mucronata var. mucronata W. H. Brewer 1860-12-18 55 Los Angeles Santa Monica Range Comment
  UCR141730  Pennisetum purpureum L. C. Wheeler 1947-2-2 6454 Los Angeles San Gabriel Mtns., Mt. Wilson Road, c. 0.5 mi. easterly from mouth of Eaton Canyon 610 Comment
  CATA3506  Pennisetum setaceum Julia Parish 2017-11-5 039 Los Angeles Santa Catalina Island: Avalon; intersection of East Whittley Ave and Country Club Dr. at the Southern California Edison retention pond 64 Comment
  UCR202706  Penstemon caesius R. G. Swinney 2001-8-18 8055 Los Angeles San Gabriel Mtns., c. 400 m south of summit of Mt. Baden-Powell 2805 Comment
  RSA0091490  Penstemon centranthifolius R. G. Swinney 2011-6-15 15169 Los Angeles Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy 1585 Comment
  SD112108  Penstemon centranthifolius Linda Allen 1975-6-15 Los Angeles Century Ranch, W. Santa Monica Mts., north facing slope Comment
  RSA0073236  Penstemon centranthifolius Bonnie C. Templeton, H. J. Andrews 1938-6-22 1686 Los Angeles Shoemaker Canyon. Comment
  RSA412436  Penstemon centranthifolius Robert M. Perkins 1936-4-3 164 Los Angeles San Gabriel Canyon. Comment
  UCSB33712  Penstemon grinnellii Miller, Brian 1963-6-15 Los Angeles Singing Springs, Mill Creek Canyon; San Gabriel Mts 1219 Comment
  UCSB7485  Penstemon grinnellii Crum, Charles 1958-7-3 Los Angeles Crystal Lake recreation area; near Los Angeles below 182 Comment
  RSA0091124  Penstemon grinnellii subsp. grinnellii R. G. Swinney 2011-6-15 15168 Los Angeles Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy 1585 Comment
  POM254111  Penstemon heterophyllus var. australis Bonnie C. Templeton 1939-5-29 4585 Los Angeles Mint Canyon, at western end of San Gabriel Mountains. 840 Comment
  RSA584170  Penstemon heterophyllus var. australis Tim S. Ross, Steve D. Boyd 1990-5-15 2536 Los Angeles Yerba Buena Ridge; Tujunga Ranger Distruct, Angeles National Forest; peripheral ridge N from Yerba Buena Rd. dividing tributaries of Oak Spring Canyon (W) and Boulder Canyon (N) 914 Comment
  RSA650908  Penstemon spectabilis R. S. Woglum 1930-3-5 s.n. Los Angeles Laurel Canyon, North Hollywood. Comment
  SBBG26834  Penstemon spectabilis I. W. Clokey, B. Templeton -Apr-1929 4475 Los Angeles Mandeville Cyn 300 Comment
  LA51910  Penstemon spectabilis var. subviscosus M. Epling; Carl Epling 1925-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  NY130530  Penstemon ternatus subsp. septentrionalis L. Abrams 1908-6-19 394 Los Angeles Oakgrove Canyon, Liebre Mountains. 1066.8 Comment
  SD116680  Pentachaeta lyonii K. Nakai, D. Verity and J. Ross 1981-5-21 763 Los Angeles Santa Monica Mountains; 200 yards south of Carlise road on Decker Canyon Road. 305 Comment
  CATA51  Pentagramma triangularis USC Wrigley Interns: Miller Zou, Daniel Kasang, Alexandria Cheung, Sabrina Lawrence-Gomez, Sarah Ratay 2011-7-8 30 Los Angeles Santa Catalina Island: Deer Valley Trail 62 Comment
  RSA0105225  Pentagramma triangularis R. G. Swinney 2011-10-27 15904 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream. 649 Comment
  LA94193  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-6 1648 Los Angeles SANTA MONICA MOUNTAINS, [San] Nicholas Canyon, ca 1 mi. from canyon mouth. 182 Comment
  LA94212  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-4-9 1822 Los Angeles SANTA MONICA MOUNTAINS, Santa Ynez Canyon, ca 1.5 mi above Sunset Blvd. 228 Comment
  CATA578  Peritoma arborea Mark L. Hoefs 1991-4-7 1017 Los Angeles Santa Catalina Island: Cottonwood Canyon east of main road 64 Comment
  SEINET5767263  Peritoma arborea G. B. Grant 1903-1 615 Los Angeles Santa Catalina Island Comment
  UCD116258  Peritoma arborea Kenneth A. Wilson 1961-2-8 837 Los Angeles Santa Gabriel Mountains. On Rt. 6, about 7 miles N of Forest Park. Comment
  RSA471844  Perityle emoryi F. R. Fosberg 1931-4-3 681 Los Angeles Santa Catalina Island, Pebble [Pebbly] Beach Rd. 5 Comment
  RSA323750  Perityle emoryi F. H. Elmore 1939-2-18 385 Los Angeles San Clemente Island Comment
  RSA777621  Phacelia affinis Orlando Mistretta, Christine Mistretta 2010-5-20 5148 Los Angeles Slopes W of Angeles Forest Hwy, about 0.6 miles N of jct. with Aliso Cyn Rd. 1189 Comment
  CATA740  Phacelia cicutaria var. hispida Mark L. Hoefs 1991-5-22 1265 Los Angeles Santa Catalina Island: Upper Cherry Valley 143 Comment
  LA38563  Phacelia cicutaria var. hispida W. O. Griesel; May 1938 s.n. Los Angeles SANTA MONICA MOUNTAINS, Hollywood Hills Comment
  LA81950  Phacelia cicutaria var. hubbyi O. H. Kappler; 1943-4-18 370 Los Angeles SANTA MONICA MOUNTAINS, Carbon Canyon Comment
  SBBG65309  Phacelia ciliata M. N. Ackley -Feb-1926 411 Los Angeles near Lankershim 198 Comment
  RSA74727  Phacelia davidsonii F. W. Peirson 1908-4-20 968 Los Angeles Mt Wilson. 1738 Comment
  RSA426235  Phacelia distans George B. Grant 1905-4-26 s.n. Los Angeles Garvanza. Comment
  RSA771896  Phacelia distans R. G. Swinney 2009-4-29 10619 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  UCD120415  Phacelia distans Daryl Koutnik; Vickie Dawes 1978-4-6 258 Los Angeles South of Palmdale on State Hwy 138 to Little Rock. 816 Comment
  RSA251525  Phacelia distans Robert F. Thorne 1973-4-12 42953 Los Angeles San Clemente Island: Pyramid Cove at S end of island. 3 Comment
  RSA17986  Phacelia egena P. A. Munz 1923-5-26 6875 Los Angeles San Gabriel Mountains, Rock Creek. 1296 Comment
  SD38317  Phacelia egena Edith A. Purer 1935-5-11 6581 Los Angeles Hillside, Malibou Road, Santa Monica Mountains. Comment
  UCR269989  Phacelia fremontii R. G. Swinney 2010-5-19 12777 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
  LA38513  Phacelia grandiflora Carl Epling; 1931-4-19 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA427969  Phacelia grandiflora Bonnie C. Templeton 1931-4-12 s.n. Los Angeles Mandeville Canyon 200 Comment
  RSA498204  Phacelia grandiflora D. A. Reynolds 1979-5-4 s.n. Los Angeles Seminole Hot Springs. 280 Comment
  SBBG64951  Phacelia grandiflora M. N. Ackley 1927-5-29 Los Angeles Mulholland Drive 548 Comment
  UC672396  Phacelia grandiflora Frank W. Peirson 1925-4-23 5809 Los Angeles small side canyon San Gabriel Canyon 304 Comment
  UCR275312  Phacelia grandiflora Mia Rochford 2016-4-24 07 Los Angeles Santa Monica Mountains, Westridge-Canyonback Wilderness Park, just off trail on rocky hillside Comment
  UCR194078  Phacelia imbricata R. G. Swinney, Dave Larson 1999-5-29 7218 Los Angeles San Gabriel Mtns., San Dimas Canyon, at waterfall in main fork c. 600 m north of confluence with East Fork 610 Comment
  RSA134025  Phacelia imbricata subsp. imbricata L. R. Heckard 1953-6-14 499 Los Angeles 2.5 miles down road to Little Rock From junction of Pacifico Mt. Road. 1585 Comment
  RSA428012  Phacelia imbricata subsp. imbricata N. C. Cooper 1949-6-29 4389 Los Angeles Crystal Lake. 1829 Comment
  SDSU6630  Phacelia longipes D. F. Howe 1953-5-31 2295 Los Angeles Arroyo Seco, Angeles Crest Highway, San Gabriel Mts. 671 Comment
  UC1174668  Phacelia longipes L. R. Heckard, R. Bacigalupi, and G. T. Robbins 1953-6-15 508 Los Angeles along Forest Service rd near confluence of Pacoima Creek with its North Fork; San Gabriel Mts., Pacoima Canyon Comment
  UC24396  Phacelia longipes Dr. A. Davidson June 1895 Los Angeles Wilson Mt. Comment
  RSA139587  Phacelia lyonii Reid V. Moran 1958-9-15 6826 Los Angeles Canyon 1.8 miles SE of Eel Point, San Clemente Island 100 Comment
  RSA428054  Phacelia lyonii M. B. Dunkle 1929-4-25 2146 Los Angeles Middle Ranch Gorge, Santa Catalina Island. Comment
  RSA0076148  Phacelia lyonii F. R. Fosberg 1931-5-4 S- 4749 Los Angeles Second bridge below Eagles Nest, Middle Ranch Canyon. Santa Catalina Island. 160 Comment
  RSA428062  Phacelia minor Robert M. Perkins 1925-3-24 61 Los Angeles San Antonio Canyon. Comment
  RSA596056  Phacelia minor Tim S. Ross, J. Mark Porter 1995-5-4 8461 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  RSA618788  Phacelia minor Louis C. Wheeler 1973-4-20 s.n. Los Angeles Aliso Canyon 1/4 mile south-southwest of Blum Ranch. 915 Comment
  SEINET13203274 Image available Phacelia minor R. G. Swinney 2011-1 14473 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservior (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  UCR55856  Phacelia minor J. A. Adams 1963-4-30 12 Los Angeles Pomona College Wash, Claremont 335 Comment
  UCSB5406  Phacelia minor Gill, Robert 1959-6-2 Los Angeles San Antonio Canyon, along lower road; San Gabriel Mt. Range; Pacific Slope Drainage Area 792 Comment
  RSA74792  Phacelia parryi F. W. Peirson 1918-5-4 976 Los Angeles Summit of Santa Monica Range, above Brents on the Malibu Comment
  POM3706  Phacelia ramosissima var. austrolitoralis I. M. Johnston 1917-6-10 1322 Los Angeles Playa del Rey. Comment
  RSA287991  Phacelia ramosissima var. austrolitoralis C. W. Tilforth 1978-6-8 1596 Los Angeles Base of bluffs at Point Dume, west of Malibu Comment
  RSA726058  Phacelia ramosissima var. subglabra R. G. Swinney 1997-6-25 5634 Los Angeles San Gabriel Mtns.: west of Wrightwood, ca. 0.25 mi. east of Hwy 2, ca. 300 m N of Guffy Rd. (3N06) 2317 Comment
  LA38508  Phacelia viscida Carl Epling; 1926-5-18 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA599877  Phacelia viscida Steve Boyd, Lauren Raz 1997-5-6 9722 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  RSA617457  Phacelia viscida Scott D. White 1998-6-4 6644 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, North Lake Planned Community 425 Comment
  CATA722  Phalaris aquatica Mark L. Hoefs 1991-5-18 1229 Los Angeles Santa Catalina Island: Middle Canyon 268 Comment
  RSA732770  Phalaris aquatica R. G. Swinney 2000-5-19 7687 Los Angeles San Dimas, Johnstone Peak ridge, overlooking San Dimas Canyon at end of dirt road SE from the peak. 768 Comment
  UCR24015  Phalaris canariensis Alfred R. Roos 1958-5-21 s.n. Los Angeles Evans and Reeves Nursery, Brentwood, West Los Angeles Comment
  RSA232803  Phalaris minor R. F. Thorne 1966-4-16 36026 Los Angeles San Clemente Island: above Wilson Cove, NE end of island 30 Comment
  SBBG13004  Phalaris minor E. R. Blakley 1962-10-4 5408 Los Angeles SE side of the Isthmus Cove 1 Comment
  SEINET10956991  Phaseolus vulgaris Heidi H. Schmidt 1999-10-10 Schmidt 3911 Los Angeles City of Santa Monica. Wild Oats Community Market: 500 Wilshire Blvd.: Santa Monica, CA: 90401: (310) 395-4510 - phone. 50 Comment
  RSA729563  Phlox diffusa R. G. Swinney 1999-7-5 7501 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
  UC127285  Pholisma arenarium N. L. Gardner 1907-1 Los Angeles Los Angeles Comment
  UCR136953  Pholisma arenarium B. C. Templeton 1938-6-30 6514 Los Angeles South Coast, El Segundo, sand dunes Comment
  RSA435571  Pholisma arenarium W. D. Pierce 1941-06 s.n. Los Angeles El Segundo. Comment
  RSA435573  Pholisma arenarium Erwin Miller 1934-5-17 s.n. Los Angeles El Segundo. Comment
  RSA77809  Pholisma arenarium F. W. Peirson 1904-8-22 1177 Los Angeles Playa del Rey, coast of Los Angeles Co. Comment
  RSA459260  Pholistoma auritum C. Epling 1931-4-25 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon. Comment
  CATA171  Pholistoma racemosum Mark L. Hoefs, A. Douglas Propst 1973-4-6 135 Los Angeles Santa Catalina Island: Middle of Cape Canyon, southeast exposure 304 Comment
  RSA151216  Pholistoma racemosum Peter H. Raven 1962-4-9 17148 Los Angeles Near barracks, Wilson Cove, San Clemente Island 61 Comment
  RSA213385  Pholistoma racemosum Reid V. Moran, Bonnie C. Templeton 1941-2-17 574 Los Angeles East side of ravine, Middle Ranch, San Clemente Island. Comment
  POM354314  Phoradendron bolleanum var. densum Anstruther Davidson 1892-7-4 s.n. Los Angeles Acton. Comment
  CAS-BOT-BC141142  Phoradendron serotinum subsp. macrophyllum Del Wiens 1954-1-10 893 Los Angeles intersection of Alexander and cucamonga avennues; Claremont 365 Comment
  CAS-BOT-BC141154  Phoradendron serotinum subsp. macrophyllum Louis C. Wheeler 1932-1-8 432 Los Angeles 2 mi SW Glendora 198 Comment
  SEINET10475616  Phormium tenax Jon Ricketson, Heidi H. Schmidt 1992-10-21 Ricketson 4825 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
  SBBG98489  Phyllospadix torreyi T. Ross 1991-5-22 5438 Los Angeles Spray Pt, W side of island ca. 5300 ft N of Eel Pt 0 Comment
  RSA11612  Phyllospadix torreyi Carl Epling, Wm Robison 1937-11-18 s.n. Los Angeles Malaga Cove near Redondo Beach Comment
  UC574966  Phyllospadix torreyi C. Epling and Wm. Robison 1933-11-18 Los Angeles near Redondo; Malaga Cove Comment
  UC104081  Physalis philadelphica Rev. J. C. Nevin Los Angeles Los Angeles Comment
  SFV21458  Pickeringia montana var. montana L. Gross 2001-5-28 411 Los Angeles Verdugo Mountains Northeast side of mountains. Start from dead end street (Mesa Lila Road) in Verdugo City. Along ridge between Henderson and Engleheard Canyons. 549 Comment
  RSA187693  Picris echioides R. F. Thorne 1966-9-14 36664 Los Angeles Santa Catalina Island; Little Harbor 5 Comment
  RSA0092871  Picris echioides Steven A. Junak, Mark Hoefs, Keri Kirkland, Lisa Stratton 1998-7-16 SCa- 753 Los Angeles Santa Catalina Island: Flats at Little Harbor Campground. 6 Comment
  HSC12254  Pinus attenuata Wendell Wood 1970-6-24 49 Los Angeles Switzer's Camp, Angeles Crest Hwy. 9 mi beyond intersection with Foothill Blvd. 915 Comment
  RSA0065428  Pinus attenuata Rudolf Schmid 1962-5-3 s.n. Los Angeles Chantry Flats, Angeles National Forest. Comment
  CATA3263  Pinus canariensis Julia Parish, Ben Dion 2017-1-30 005 Los Angeles Santa Catalina Island: West side of the upper campsite at Black Jack Campground 495 Comment
  RSA169023  Pinus jeffreyi Mark Parratt 1964-2-6 600 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-BC78867  Pinus monophylla Le Roy Abrams; E. A. McGregor 1908-7-5 669 Los Angeles Lone Pine Canyon, desert slopes of the San Gabriel Mountains 1158 Comment
  UC1409515  Pinus monophylla A. B. Cossey Los Angeles Cattle Canyon (a tributary of the East Fork of the San Gabriel River Angeles National Forest (ca 80 ft from the true-left canyon rim) 2048 Comment
  SBBG51412  Pinus murrayana J. L. Huber, R. V. Langmuir 1971-6-5 1145 Los Angeles Mt Baden Powell 2834 Comment
  CAS-BOT-BC72762  Pinus sabiniana Timothy S. Ross 1995-4-26 8390 Los Angeles Upper end of Liebre Gulch along Forest Service road 8N05. USGS 7.5' Liebre Mtn. Quadrangle. Liebre Mountains. 1121 Comment
  RSA755582  Piptatherum miliaceum R. G. Swinney 2008-7-12 9174 Los Angeles San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  SEINET3161353  Pittosporum undulatum C. F. Baker 1909-9-15 119 Los Angeles At Claremont. Comment
  CAS-BOT-BC71791  Pityrogramma triangularis var. viscosa L. R. Abrams; I. L. Wiggins 1931-7-6 348 Los Angeles Vicinity of Mosquito Harbor Comment
  UCR71167  Pityrogramma triangularis var. viscosa Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4417 Los Angeles Channel Islands, San Clemente Island: east side of island, Bryce Canyon near Malo Point Comment
  RSA799808  Plagiobothrys arizonicus Pam De Vries 2013-4-3 7821 Los Angeles Tehachapi Muntains/Western Transverse Range (Gorman Hills). About 0.5 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Rd. 1032 Comment
  UCR270267  Plagiobothrys arizonicus R. G. Swinney 2011-4-1 14288 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
  POM368929  Plagiobothrys arizonicus Robert Gustafson, Christopher Davidson 1977-4-20 419 Los Angeles Fort Tejon Road, south of Littlerock, about 1.5 miles east of the junction with 82nd St. 976 Comment
  UCR192208  Plagiobothrys nothofulvus A. C. Sanders 2008-4-16 34905 Los Angeles Tehachapi Mtns. Foothills/ W Mojave Desert, west end of Antelope Valley, hills c. 1.25 mi. NE of Quail Lake, c. 0.7 mile north of Hwy 138 1000 Comment
  UC729768  Plantago coronopus Carl B. Wolf 1932-5-12 Los Angeles between Little Harbor and Cottonwood Creek; Santa Catalina Island 45 Comment
  RSA190988  Plantago erecta Robert F. Thorne, D. Propst, R. Carolin, R. C. Rollins 1967-3-18 36731 Los Angeles Catalina Island. Salta Verde, appox. N of Salta Verde Point 244 Comment
  RSA412575  Plantago major R. Bardell 1930-01 s.n. Los Angeles Mesophytic woodlands, Verdugo Canon Comment
  LA33982  Plantago major Henry J. Thompson; 1959-11-23 3010 Los Angeles Santa Monica Mountains, Franklin Canyon, shore of upper Franklin Canyon Reservoir 259 Comment
  RSA402019A  Plantago ovata Blanche Trask 1901-03 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  UCR202727  Platanthera dilatata var. leucostachys R. G. Swinney, Cody Clarke 2001-8-22 8077 Los Angeles San Gabriel Mtns., 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2305 Comment
  UCR190060  Platanthera sparsiflora R. G. Swinney 1998-10-3 7015 Los Angeles San Gabriel Mtns, upper Fish Fork San Gabriel River, c. 1 mile east (upstream) from Upper Fish Fork Campground 2012 Comment
  SD253523  Platanus racemosa R. G. Swinney 2011-10-27 15913 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, ca. 300 meters east of entrance gate to Cogswell Dam, between FSR 2N25 and the stream. 648 Comment
  UCD143187  Platanus racemosa Louis C. Wheeler 1946-8-27 6263 Los Angeles San Gabriel Mountains, Sandrock Creek at Pear Blossom Highway, near confluence of Sandrock Creek and Big Rock Creek; 1/4 mile southeast of Big Rock Patrol Station. 1112 Comment
  LA206296  Platystemon californicus A. M. Johnson; 1928-3-13 2828 Los Angeles Del Rey Hills Comment
  RSA595802  Poa annua Lauren Raz, Steve Boyd 1996-10-23 51 Los Angeles Liebre Mountains. Ruby Canyon, just west of junction of Forest Service Road 6N24 with Lake Hughes Road, at confluence with Elizabeth Lake Canyon. 609 Comment
  UCR187103  Poa annua A. C. Sanders 2006-5-16 32337 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon just above the National Cement Plant Rd., 0-0.25 mi. upstream, 1.5 miles NNE of Quail Lake 991 Comment
  POM16504  Poa secunda Le Roy Abrams 1901-04 1416 Los Angeles La Cananda Comment
  RSA594961  Poa secunda Timothy S. Ross 1995-4-26 8397 Los Angeles Head of Liebre Gulch drainage along Forest Service Road 8N05, between Sandberg and Bald Mountain; ca 1740 feet W of Sandberg BM (4164 ft) 1204 Comment
  CAS-BOT-BC236202  Poa secunda subsp. secunda Marcus E. Jones 1882-2-27 s.n. Los Angeles Pasadena Comment
  RSA484211  Poa secunda subsp. secunda I. M. Johnston 1917-7-20 1355 Los Angeles Baldy lookout of USFS 2133 Comment
  UC1024744  Poa secunda subsp. secunda Leo Whitney 1935-3-28 3023 Los Angeles 20 mi w Lancaster Comment
  RSA484213  Poa secunda var. secunda Robert M. Perkins 1937-4-2 302 Los Angeles San Gabriel Canyon. Comment
  SEINET10532988  Podocarpus elongatus David B. Dunn 1939-10-18 Dunn UMO 46520 Los Angeles Cultivated tree near 3rd and Lafayette, Los Angeles, Calif. 213 Comment
  UC284124  Polycarpon depressum P. A. Munz 1923-3-14 6594 Los Angeles 2 mi n Claremont 426 Comment
  SFV22088  Polycarpon tetraphyllum V. Soza, L. Gross, B. Hogshead 2001-4-26 1188 Los Angeles Verdugo Mountains Northwestern edge of Verdugo Mountains. North of La Tuna Canyon, southeast of Green Verdugo Reservoir. 457 Comment
  UCR23713  Polycarpon tetraphyllum John C. Roos 1942-5-23 1061 Los Angeles Monrovia, 300 block on E Lime St. 179 Comment
  UCR96131  Polycarpon tetraphyllum B. G. Pitzer 1996-4-27 2723 Los Angeles City of Signal Hill, Reservoir Park, on Wardlow Road between Orange Street & Walnut Street, east of Long Beach Blvd. Comment
  RSA477720  Polycarpon tetraphyllum Robert Gustafson 1981-4-29 2230 Los Angeles Ballona Wetlands, Area 2 In disturbed plaes; found along the gas Co. road. Comment
  UCR206480  Polygonum hydropiperoides R. G. Swinney 2008-5-30 8895 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  RSA620047  Polygonum lapathifolium LeRoy Gross 1998-11-1 91 Los Angeles Southern base San Gabriel Mtns.: Big Tujunga Wash. East of 210 freeway, city of Sunland. 366 Comment
  RSA620048  Polygonum lapathifolium LeRoy Gross 1998-11-1 91 A Los Angeles Southern base San Gabriel Mtns.: Big Tujunga Wash. East of 210 freeway, city of Sunland. 366 Comment
  UCR259162  Polygonum lapathifolium R. G. Swinney 2010-6-23 13364 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace 335 Comment
  CAS-BOT-BC71877  Polypodium californicum Scott D. White 1998-6-10 6711 Los Angeles San Antonio Canyon: About 1 1/2 air miles north of San Antonio Dam, Shinn Rd. (=Mountain Ave.) 762 Comment
  LA4300  Polypodium californicum Carl Epling; Lincoln Ellison 1929-3-30 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  LA94053  Polypodium californicum Lawrence L. Kiefer; 1966-3-6 1653 Los Angeles SANTA MONICA MOUNTAINS, Corral Canyon, ca 2 mi from canyon mouth. 304 Comment
  POM6567  Polypodium californicum George B. Grant s.n. Los Angeles Pasadena. Comment
  RSA689911  Polypodium californicum M. B. Dunkle 2042 Los Angeles Little Gibralter, Santa Catalina Island. Comment
  RSA689913  Polypodium californicum M. B. Dunkle 1928-3-11 1727 b Los Angeles Grand Canyon, Santa Catalina Island. 152 Comment
  RSA762449  Polypodium californicum R. G. Swinney 2009-2-20 10004 Los Angeles El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  SBBG12489  Polypodium californicum P. H. Raven 1962-4-12 17341 Los Angeles Wilson Cove 76 Comment
  UC399448  Polypodium californicum C. F. Millspaugh 1920-1-2 4521 Los Angeles rd. to Pebble Beach; Santa Catalina Isl. Comment
  UCSB62394  Polypodium californicum Kendall, M 1921-2-13 Los Angeles Palmer's canyon Comment
  UCSB62760  Polypodium californicum Kiefer, Lawrence 1963-11-10 Los Angeles Puddingstone Canyon, S of end of Cataract St., San Dimas 182 Comment
  SBBG31118  Polypogon interruptus R. F. Thorne 1966-6-1 36497 Los Angeles stream flowing from reservoir at upper end of Cape Cyn 335 Comment
  UCR182386  Polypogon interruptus R. G. Swinney 1998-5-9 6048 Los Angeles San Gabriel Mountains, San Gabriel (Azusa) Canyon, 1.5 mi. north of Foothill Blvd. on east side of Encanto Rd. 201 Comment
  RSA600368  Polypogon monspeliensis Steve Boyd, Lauren Raz 1997-5-28 9870 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
  LA10118  Polypogon monspeliensis Carl Epling; 1931-4-25 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA0082592  Polypogon semiverticillatus R. G. Swinney 2010-6-4 13004 Los Angeles Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon. 476 Comment
  RSA0021876  Polypogon viridis Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5107 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  IRVC27786  Populus fremontii A. C. Sanders 2005-5-11 30204 Los Angeles Santa Clarita area, upper Plum Cyn along Plum Cyn Rd between crest and vernal pool on bench in mid cyn, NW of Forest Park between Mint and Bouquet cyns. Western San Gabriel/Liebre Mtns Region 579 Comment
  CAS-BOT-BC452113  Potamogeton crispus Robert F. Thorne; M. Z. Thorne 1966-8-29 36604 Los Angeles San Gabriel Mts., Angeles National Forest: Big Pines Recreation Area, at margins of Jackson Lake on road from Big Pines to Valyermo 1859 Comment
  SD237594  Potentilla glandulosa R. G. Swinney 2009-6-2 11000 Los Angeles Transverse Range: San Gabriel Mountains: East slope of Pacifico Mountain at Fountainhead Spring (Pacifico 7.5'Q). North side of E-W trending ridge. 2012 Comment
  UCR192928  Potentilla glandulosa Dan S. Cooper 2008-4-14 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., West side of Mt. Hollywood, Griffith Park, Los Angeles 365 Comment
  LA52093  Potentilla glandulosa subsp. glandulosa Carl Epling; Harvey Anderson 1930-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  UCR177254  Potentilla glandulosa subsp. glandulosa LeRoy Gross, Michael Denslow, B. Hogshead, Sarah Swartzentruber 2003-6-17 1067 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
  RSA604300  Potentilla gracilis var. fastigiata Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1997 Comment
  UCR223106  Prunus fasciculata var. fasciculata R. G. Swinney 2009-5-13 10795 Los Angeles Transverse Range; San Gabriel Mtns. Foothills, Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  RSA800027  Prunus ilicifolia Pam De Vries 2012-6-8 7811 Los Angeles South Coast subregion of Southwestern California. Near Kenneth Hahn State Regional Park, Baldwin Hills, about 0.3 miles northeast of the intersection of South La Brea Ave. and Stocker St., Along Stocker St. (south side), opposite Don Lorenzo Drive. 109 Comment
  UC2042035  Prunus ilicifolia Orlando Mistretta with Oscar Dorado 1989-5-10 s. n. Los Angeles Transverse Ranges; Liebre Mountains Region: Bouquet Canyon. Comment
  RSA479511  Prunus ilicifolia subsp. ilicifolia Steve D. Boyd, Thomas S. Elias 1987-4-14 2048 Los Angeles San Gabriel Mountains, Rincon - Red Box Road, S of Rincon Forest Station, N. of Glendora Comment
  RSA550408  Prunus ilicifolia subsp. ilicifolia Tim S. Ross, Peter Fritsch 1990-6-20 3592 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
  UCR178855  Prunus ilicifolia subsp. ilicifolia LeRoy Gross 2003-3-9 798 Los Angeles Transverse Ranges, San Rafael hills, southwest side. A west-east trending ridge southwest of Flint Peak. Near Mount Carmel Drive, east of the Glendale Fwy (2), between Chevy Chase Drive (Sycamore Canyon) to the north, and Glenoak Blvd. (Scholl Canyon) to the south 354 Comment
  SDSU9178  Prunus ilicifolia subsp. lyonii R. M Beauchamp 1967-6-3 561 Los Angeles San Clemente Island. Grove of trees in bottom of canyon south of Thirst. 457 Comment
  UC1128481  Prunus virginiana var. demissa A. E. Wieslander 1928-4-17 20 Los Angeles near Vincent (Angeles National Forest); Angeles National Forest 1219 Comment
  RSA488010  Pseudognaphalium biolettii Mark Hoefs 1973-3-3 15 Los Angeles Santa Catalina Island. Near upper White's Landing Road. 381 Comment
  UCR100611  Pseudognaphalium biolettii B. G. Pitzer 1996-5-5 2850 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
  RSA194015  Pseudognaphalium biolettii R. M. Beauchamp 1967-3-17 241 Los Angeles San Clemente Island: on slope east of Wilson Cove Comment
  CAS-BOT-BC356710  Pseudognaphalium californicum Alice Eastwood 1906-5-27 6 Los Angeles Country adjacent to Los Angeles. Garvanza Comment
  RSA0091793  Pseudognaphalium canescens R. G. Swinney 2011-10-10 15729 Los Angeles east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1537 Comment
  UCR259273  Pseudognaphalium canescens R. G. Swinney 2010-5-4 12516 Los Angeles San Gabriel Mountains, north of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park 457 Comment
  UC1118549  Pseudognaphalium microcephalum J. Horton 1935-9-20 239 Los Angeles below C.C.C. Camp Dalton Canyon Wash; Pomona Quad. 304 Comment
  CAS-BOT-BC357453  Pseudognaphalium ramosissimum Ernest Braunton 1902-8-1 643 Los Angeles Griffith Park Comment
  SBBG79665  Pseudognaphalium stramineum F. R. Fosberg 1931-3-23 4338 Los Angeles Hamilton Cyn 15 Comment
  RSA226231  Pseudotsuga macrocarpa Gary D. Cromwell, David W. Wheat 1971-7-1 701 Los Angeles Mystic Canyon 412 Comment
  UC586929  Pseudotsuga macrocarpa Joseph Andorfer Ewan 1934-8-8 8379 Los Angeles Mt. Islip Trail 0.25 mi above Big Cienega Camp; San Gabriel Mts. 2057 Comment
  UCR149058  Pseudotsuga macrocarpa June Latting 1973-1-3 s.n. Los Angeles San Gabriel Mountains., Big Rock Creek site, Fenner Canyon 1707 Comment
  UCR214653  Psilocarphus brevissimus A. C. Sanders, Dan S. Cooper 2010-4-30 38144 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA533917  Psilocarphus brevissimus Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5184 Los Angeles San Clemente Island: Twin Dams, shallow pond at the westerly of two earthen dams, and mesic inlet draw 474 Comment
  CAS-BOT-BC361700  Psilocarphus brevissimus var. brevissimus Dr. H. E. Hasse 1888-5-1 s.n. Los Angeles Unspecified Comment
  LA97679  Psilocarphus tenellus var. tenellus David S. Verity; 1977-5-14 sn Los Angeles 304 Comment
  UCR124250  Psilocarphus tenellus var. tenellus L. C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mtns., East side of Little Tujunga Canyon, 0.75 mi SSE of Herreres Ranch 579 Comment
  LA94232  Pteridium aquilinum var. pubescens Lawrence L. Kiefer; 1966-4-10 1862 Los Angeles SANTA MONICA MOUNTAINS, Nichols Canyon, ca 1.5 mi N of Hollywood Blvd on Nichols Canyon Rd. 182 Comment
  SD69719  Pteridium aquilinum var. pubescens Robert F. Thorne, M. Z. Thorne 1966-5-31 36429 Los Angeles Santa Catalina Island, Fern Canyon 230 Comment
  SFV51  Pteridium aquilinum var. pubescens F. R. Rickson 1961-7-31 3 Los Angeles San Gabriel Mountains Buckhorn Camp. 2287 Comment
  UCR247416  Pteris vittata Joseph Cahill 2011-2-5 s.n. Los Angeles San Gabriel Mountains, Rubio Canyon, c. 0.8 mi. NW of trailhead at Rubio Vista Rd. 664 Comment
  RSA19734  Pterostegia drymarioides I. W. Clokey, Bonnie C. Templeton 1929-03 4523 Los Angeles Mandeville Canyon, Santa Monica Mountains. 350 Comment
  RSA574339  Pterostegia drymarioides R. G. Swinney 1994-5-7 2831 Los Angeles Glendora Wilderness park, 0.4 mi N of Big Dalton Canyon Rd. at Mystic Canyon Trail. On ridgetop ca. 50 m E of Trail. 457 Comment
  UCR24288  Pterostegia drymarioides John C. Roos 1942-5-23 1067 Los Angeles Transverse Range; San Gabriel Mtns., Chantry Flats, Santa Anita Canyon Comment
  SBBG125223  Pulicaria paludosa A. Parikh, N. Gale 2010-8-2 3381 Los Angeles Whittier Narrows, San Gabriel River, 0.7 km S of Hwy 60, 0.7 km W of Peck Rd 68 Comment
  UC1929309  Punica granatum Scott D. White, Justin Wood 2008-5-19 12014 Los Angeles Los Angeles Basin; Whittier Narrows Dam County Recreation Area. San Gabriel River floodplain, between Durfee Ave. and 605 freeway. SCE powerline corridor. Comment
  OBI10034  Purshia tridentata var. glandulosa Donald Alpert 1962-4-14 s.n. Los Angeles LIttle Rock Dam 1128 Comment
  RSA532836  Pycnanthemum californicum Tim S. Ross 1991-8-14 5794 Los Angeles Pacifico Mtn rd, 3200 ft NW of Alder saddle. 1768 Comment
  RSA604139  Pycnanthemum californicum Louis C. Wheeler 1970-9-10 s.n. Los Angeles San Gabriel Mountains: South Fork Alder Gulch. 1677 Comment
  RSA749767  Pyracantha koidzumii A. C. Sanders, T. B. Salvato 2009-5-19 36841 Los Angeles Montebello Hills, under SCE powerlines adjacent to Kaiser Hospital north of corner of Paramount Blvd. and N. Montebello Blvd. 103 Comment
  SEINET10628886  Pyrus communis Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2581 Los Angeles City of San Gabriel. Howie's Ranch Market, 6580 N. San Gabriel. Comment
  RSA0085076  Quercus Justin M. Wood 2009-3-24 392 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave. and Foothill Blvd. Old restoration site, east of old infirmary. 405 Comment
  SEINET4853811  Quercus X grandidentata Joseph Andorfer Ewan 1934-12-27 8487 Los Angeles 2 mi above A. T. & S. F. tracks at mouth of Sawpit Canyon, (i.e. Monrovia C.); San Gabriel Mts. 229 Comment
  UC1135324  Quercus agrifolia A. D. Gifford 1935-3-15 477 Los Angeles 2.5 mi sw Red Mountain; Tejon Quadrangle Comment
  RSA670799  Quercus agrifolia var. agrifolia Joseph M. Keefe 2001-3-13 31090 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
  LA91429  Quercus berberidifolia Bruce Douglas Clayton; 1972-3-30 29 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, Mountain Park Research Campus, halfway out Drawbridge firebreak. 609 Comment
  RSA655466  Quercus berberidifolia LeRoy Gross 2000-11-12 325 Los Angeles Verdugo Mountains: Green Verdugo Fire Road, off Sunland Blvd. just west of 210 freeway. This road goes up to Green Verdugo Reservoir. 412 Comment
  UC1870281  Quercus berberidifolia LeRoy Gross 2000-11-11 324 Los Angeles Verdugo Mountains: Along Foothill Blvd. just west of Hillrose Street in Sunland. Elev. 1200 Feet. 365 Comment
  POM296370  Quercus chrysolepis Lyman Benson 1945-6-5 11755 Los Angeles Cold Spring, 2 1/2 miles southwest of Camp Baldy on the Glendora Road. San Gabriel Mt. Range 1372 Comment
  RSA381390  Quercus chrysolepis Robert F. Thorne, D. Propst 1970-11-12 41568 Los Angeles Santa Catalina Island, Mount Orizaba along n-facing slopes of ridge from S end of mountain; S side S fork of Fern Canyon. 488 Comment
  RSA476900  Quercus chrysolepis Anstruther Davidson 1892-8-20 s.n. Los Angeles Wilson's Peak Comment
  RSA476907  Quercus chrysolepis Robin S. Collins 1973-5-15 273 Los Angeles Angeles National Forest; Trail Canyon, into cyn. ca. 1/2 - 1 mi from beginning of pack trail 610 Comment
  RSA476908  Quercus chrysolepis Anstruther Davidson 1893-6-12 s.n. Los Angeles Switzer's Trail. Comment
  RSA779990  Quercus chrysolepis R. G. Swinney 2009-6-24 11230 Los Angeles summit of Granite Mountain 1988 Comment
  UCSB27897  Quercus douglasii R. Gill 1959-3-24 55 Los Angeles RIDGE ROUTE OAK FLAT GUARD STATION 822 Comment
  CAS-BOT-BC86358  Quercus dumosa Ernest Braunton 1902-6-1 s.n. Los Angeles Hollywood Comment
  CAS-BOT-BC86383  Quercus dumosa Marcus E. Jones 1882-2-27 3034 Los Angeles Pasadena Comment
  RSA747860  Quercus durata var. gabrielensis Scott D. White, Justin M. Wood 2009-5-6 12683 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  SD253461  Quercus durata var. gabrielensis R. G. Swinney 2011-10-27 15908 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream (Azusa 7.5'Q) 648 Comment
  UC1870296  Quercus durata var. gabrielensis LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 278 Los Angeles Verdugo Mountains: Saddle where Stough Canyon Mountainway and Verdugo Mountainway meet. 609 Comment
  UCR269105  Quercus durata var. gabrielensis Orlando Mistretta 1995-1-10 1955 Los Angeles Transverse Ranges; San Gabriel Mtns., near Glendora Mountain Road, c. 4 miles west of junction with Baldy Mtn. Road 1418 Comment
  UCR281629  Quercus durata var. gabrielensis R. G. Swinney 2014-5-27 16692 Los Angeles San Gabriel Mountains, Glendora, Glendora Peak, 0.74 miles ENE (34 deg. ) of Azusa Pk., south of Glendora Ridge Motorway 791 Comment
  RSA231132  Quercus engelmannii Leonid Enari 1969-7-14 s.n. Los Angeles Arcadia, Talac Knoll, Los Angeles State and County Arboretum Comment
  UCD46012  Quercus engelmannii Ward B. Holt 1941-10-1 s.n. Los Angeles Group of trees, Monrovia. Los Angeles County. Comment
  UCR84566  Quercus garryana var. breweri T. S. Ross, Steve Boyd 1994-9-21 8307 Los Angeles Liebre Mtns., upper west end of Liebre Mountain, along Forest Service Road 7N23, c. 200-370 m SW of Sandberg Triangulation Point (5345 ft.). 1582 Comment
  RSA588062  Quercus john-tuckeri Orlando Mistretta 1994-4-15 1045 Los Angeles San Gabriel Mountains, Santiago Canyon, W slopes of drainage near confluence with Little Rock Creek 1037 Comment
  UCR263067  Quercus john-tuckeri Mitch Provance 2008-4-14 408- 04 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
  CAS-BOT-BC61501  Quercus lobata Peter H. Raven; Henry J. Thompson 1959-4-3 13922 Los Angeles slopes just east of Malibu Junction. Santa Monica Mountains 243 Comment
  SBBG116374  Quercus lobata R. Burgess, P. Munro 2002-5-6 5137 Los Angeles Hungry Valley Rd, 0.2 mi W of Smokey Bear Rd 853 Comment
  UCD46862  Quercus lobata J. M. Tucker; Barbara Rice 1966-10-7 4012 Los Angeles Oak Grove Canyon, ca. 2.7 miles southeast of Three Points, beside road from Gorman to Elizabeth Lake, Los Angeles, California. Comment
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Mar 28 2014
  UCSB28127  Quercus lobata Gill, Robert 1959-3-24 Los Angeles Oak Flat Guard Station, Ridge Route 822 Comment
  RSA213358  Quercus pacifica Reid V. Moran 1941-3-14 707 Los Angeles Middle Ranch, Santa Catalina Island. 200 Comment
  UC625054  Quercus pacifica F. R. Fosberg 1931-7-10 S 5374 Los Angeles Eagle's Nest Santa Catalina Island, Middle Ranch Canyon 180 Comment
  CAS-BOT-BC104426  Quercus tomentella C. B. Wolf 1930-1-29 691 Los Angeles Catalina Island. Pebble Beach Canyon, NO slope Comment
  RSA117369  Quercus tomentella Huron H. Smith 1912-6-19 5118 Los Angeles Cherry Canyon, Santa Catalina Island. 91 Comment
  RSA479371  Quercus tomentella Mark Hoefs 1974-9-25 561 Los Angeles Santa Catalina Island, lower west fork of Gallagher's Canyon 152 Comment
  SBBG31886  Quercus tomentella R. N. Philbrick 1964-6-12 B 64 -5 Los Angeles just E of Thirst Comment
  LA205364  Quercus wislizeni Louis Wheeler; 1932-4-16 628 Los Angeles San Gabriel Mountains, Santa Anita Canyon, W side 761 Comment
  UC1595253  Rafinesquia californica Tim Ross and Peter Fritsch 1990-6-20 3634 Los Angeles near confluence of E and W Forks of the San Gabriel River (mouth of Burro Canyon); San Gabriel Mountains, Burro Canyon 445 Comment
  POM8739  Rafinesquia californica P. A. Munz, R. D. Harwood 1920-5-15 3961 Los Angeles Santa Monica Mountains 305 Comment
  UC827654  Ranunculus californicus I. W. Clokey and E. G. Anderson 1935-5-9 6947 Los Angeles Pomona Hills 400 Comment
  RSA298501  Ranunculus cymbalaria var. saximontanus F. W. Peirson 1919-6-15 486 Los Angeles Rock Creek, north slope of San Gabriel Mountains. 1296 Comment
  POM199702  Rhamnus californica I. W. Clokey, Bonnie C. Templeton 1929-12 4603 Los Angeles Mandeville Canyon. 300 Comment
  RSA0021485  Rhamnus californica Duncan S. Bell, Caitlin Elam 2013-7-11 5357 Los Angeles Sheep Mountain Wilderness; northeastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1997 Comment
  UC870779  Rhamnus californica Louis C. Wheeler 1932-7-2 909 Los Angeles Browns Flat San Gabriel Mts. 1310 Comment
  UCR108388  Rhamnus californica L. C. Wheeler 1961-6-13 7880 Los Angeles San Gabriel Mtns., Pacoima Canyon near Dutch Louie Camp 716 Comment
  CAS-BOT-BC59947  Rhamnus crocea Carl Epling 1931-5-2 s.n. Los Angeles Santa Monica Mts. Los Alisos Canyon. Comment
  SBBG129219  Rhamnus crocea J. G. Jack 1907-7-12 Los Angeles Millard's Canon, Pasadena Comment
  RSA0058231  Rhamnus ilicifolia Richard G. Swinney 2010-4-23 12346 Los Angeles San Gabriel Mountains: lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA599808  Rhamnus ilicifolia Steve Boyd, Lauren Raz 1997-3-25 9300 Los Angeles Liebre Mountains region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch. 1097 Comment
  UCR205047  Rhamnus ilicifolia R. G. Swinney 2008-3-31 8581 Los Angeles San Gabriel Mtns., Glendora Mountain summit 1013 Comment
  UCR212832  Rhamnus ilicifolia Ellen Mackey, Blake Whittington 2006-10-24 NFWF- 1827 Los Angeles Transverse Range; San Gabriel Mountains, San Gabriel River Watershed, San Gabriel R. main stem across from Morris Dam, between San Gabriel Canyon Road (Hwy 39) and Silver Fish Truck Trail 402 Comment
  RSA158337  Rhamnus pirifolia M. B. Dunkle 1928-3-4 1717 Los Angeles Orizaba Canyon, Santa Catalina Island. 244 Comment
  CAS-BOT-BC168134  Rhus aromatica J. Grinnell 1903-7-30 s.n. Los Angeles Arroyo Seco near Pasadena Comment
  CAS-BOT-BC199073  Rhus aromatica Le Roy Abrams; E. A. McGregor 1908-6-19 320 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  CAS-BOT-BC200705  Rhus aromatica Alice Eastwood 1919-5-29 8953 Los Angeles San Gabriel Canyon Comment
  UCR188651  Rhus aromatica R. G. Swinney 1990-3-24 1555 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora. Within 250 yards of east end of Fawn Valley Road, near railroad tracks 274 Comment
  POM308444  Rhus integrifolia Henry J. Ramsey, Henry J. Ramsey 1937-3-27 3028 Los Angeles Little Tujunga Canyon Comment
  RSA533491  Rhus integrifolia T. S. Ross 1991-3-9 4183 Los Angeles Whittier Hills (Puente Hills, pro parte): head of Oak Cyn, SE side of ridgetop knoll. 369 Comment
  SBBG125890  Rhus lancea A. C. Sanders with T. B. Salvato, M. Provance 2009-5-28 37005 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
  SEINET12235108  Rhus ovata Unknown 1945-1 s.n. Los Angeles Eaton's Canyon, Pasadena Comment
  UCD102100  Ribes amarum Geoffrey Levin 1974-4-27 60 Los Angeles Evey Canyon, a side canyon on San Antonion Canyon. San Gabriel Mountains, Santa Ana River, Pacific Slope drainage basin. 751 Comment
  UCR186762  Ribes aureum T. B. Salvato, Sandra Murcia 2007-3-28 2009 Los Angeles San Gabriel Mountains, Santa Anita Reservoir, proposed 4-acre sediment placement site, east side of the channel and 0.4 mi south of the Elkins Avenue entrance gate 680 Comment
  RSA476434  Ribes aureum var. gracillimum Anstruther Davidson 1890-05 s.n. Los Angeles San Gabriel [River] near El Monte. Comment
  CAS-BOT-BC108875  Ribes divaricatum var. parishii Frederick V. Coville 1925-4-18 171 Los Angeles Lexington Wash. 91 Comment
  CAS-BOT-BC167102  Ribes indecorum A. C. Sanders 2003-3-14 25784 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
  OBI14056  Ribes indecorum Louis C. Wheeler 1932-2-10 443 Los Angeles Thompson Crk dam near Claremont 503 Comment
  RSA441485  Ribes indecorum Louis Greata 1901-04 s.n. Los Angeles San Gabriel Mts. Comment
  CAS-BOT-BC173408  Ribes malvaceum Alice Cooper 1908-12-12 s.n. Los Angeles [Sturdevant] Sturtevant Trail, San Gabriel Mountains Comment
  CAS-BOT-BC173409  Ribes malvaceum L. R. Abrams 1901-4-1 1313 Los Angeles Santa Monica Mountains Comment
  CAS-BOT-BC173431  Ribes malvaceum Ellsworth Bethel 1920-2-17 s.n. Los Angeles Near Orchard Camp, Mt. Wilson trail Comment
  UC1127276  Ribes malvaceum P. L. Johannsen 1934-1-27 248 Los Angeles 1 1/2 mi w Oat Mountain; Santa Susana Quadrangle Comment
  RSA441457  Ribes malvaceum var. viridifolium Freda Detmers 1929-2-24 s.n. Los Angeles Laurel Canyon Comment
  RSA441458  Ribes malvaceum var. viridifolium Freda Detmers 1929-2-16 s.n. Los Angeles Griffith Park Comment
  JEPS49398  Ribes montigenum Frank W. Peirson 1920-9-12 685 Los Angeles Summit, a few feet down the n slope Baldy; San Gabriel Range, Mt. San Antinio 3048 Comment
  RSA0106823  Ribes nevadense R. G. Swinney 2011-7-29 15569 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  UCR209648  Ribes nevadense R. G. Swinney 2008-7-2 9113 Los Angeles San Gabriel Mtns., Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy 2000 Comment
  UC11653  Ribes speciosum J. H. Barber 1897-1-11 17 Los Angeles Sullivan's Canyon Comment
  SD107822  Ricinus communis Larry DeBuhr, Gary Wallace 1972-9-2 696 Los Angeles San Clemente Island, below barracks area at Wilson Cove Comment
  LA200733  Romneya coulteri Jonathan Sauer; N. Farrell 1973-5-18 5490 Los Angeles 12 Comment
  UCR133726  Rorippa nasturtium-aquaticum F. R. Fosberg 1931-5-2 S- 4748 Los Angeles Channel Islands, Middle Ranch Canyon, below Middle Ranch [Thompson] Dam, Santa Catalina Island 183 Comment
  POM366397  Rubus leucodermis Anstruther Davidson 1893-7-22 s.n. Los Angeles Mt. Wilson. Comment
  RSA0038714  Rubus leucodermis R. G. Swinney 2010-10-13 14030 Los Angeles Lily Spring, within 100 meters of main spring. 2454 Comment
  RSA487023  Rubus leucodermis Walter Wisura 1988-8-31 4250 Los Angeles Fish Fork of East Fork of San Gabriel River, below camp site. Comment
  UCR272950  Rubus leucodermis R. G. Swinney 2011-7-29 15582 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  UCD114013  Rubus ursinus Rudolf Schmid 1962-6-7 s.n. Los Angeles Near Manor House, Cal Poly, Pomona. Comment
  UCR219939  Rubus ursinus R. G. Swinney 2009-4-16 10366 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel Canyon, 0.3 to 0.6 miles NW (upstream) of confluence with San Gabriel River 280 Comment
  RSA0104980  Rumex conglomeratus Steven A. Junak 1999-7-17 SCa- 1070 Los Angeles Santa Catalina Island. At W end of Rig Field, plant stop. 213 Comment
  RSA466073  Rumex crispus Blanche Trask 1901-03 s.n. Los Angeles Avalon, Catalina Island. Comment
  UCR125243  Rumex crispus A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25514 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters, west of ranch house 358 Comment
  RSA547818  Rumex crispus Tim S. Ross, Peter Fritsch 1990-6-20 3628 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
  RSA305808  Rumex hymenosepalus James R. Shevock 1970-3-14 35 Los Angeles Open fileds, Claremont. 503 Comment
  UC6946  Rumex hymenosepalus J. Burtt Davy May 9 1896-May 24 1896 2567 Los Angeles Llano Verde Antelope Valley, West Palmdale Comment
  UCD101484  Rumex salicifolius Richard Arroyo; Ruth Arroyo 1996-5-12 28 Los Angeles Calabasas, Stunt Road. On main trail 900 ft pass stream. Comment
  UCD101627  Rumex salicifolius Daryl Koutnik; Michael Grayum 1978-8-17 s.n. Los Angeles South of Carlisle Road and west of Decker Road in the Santa Monica Mountains. 487 Comment
  RSA0030895  Ruppia maritima F. Raymond Fosberg 1931-5-4 S 4754 Los Angeles 2nd bridge bel.[below] Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island. 140 Comment
  RSA0062518  Sairocarpus coulterianus R. G. Swinney 2010-4-20 12318 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  RSA729827  Salix exigua R. G. Swinney 1998-7-6 6269 Los Angeles San Gabriel Mtns.: near mouth of Mescal Canyon, 2.7 miles north of junction of Hwy 2 and Mescal Canyon Rod. 1488 Comment
  LA208744  Salix laevigata Carl Hedin; Joseph Ewan 1933-6-29 7644 Los Angeles Above Ballona Creek, S of Culver City [Area 2] Comment
  LA30464  Salix laevigata Jane Turner; T. Mosquin 1958-11-16 C 56 Los Angeles 45 Comment
  POM362610  Salix laevigata Robert Gustafson 1981-2-4 2099 Los Angeles Area 1, Ballona Wetlands. Comment
  POM362617  Salix laevigata Robert Gustafson 1978-6-1 989 Los Angeles Near the entrance of Hungry Valley off dirt road leading into the valley, 0.1 west of the paved 2-lane Peace Valley Rd., about 1/4 miles west of Gorman. 1220 Comment
  SBBG59053  Salix laevigata R. Hoffmann 1929-4-26 Los Angeles Soledad Cyn Comment
  UC1375325  Salix laevigata Robert F. Thorne and C. W. Tilforth 1971-6-17 39946 Los Angeles 2 mi up Lower Tujunga Rd. from Forestry Headquarters; San Gabriel Mts., Angeles Nat'l Forest, Little Tujunga Creek 457 Comment
  UC506462  Salix laevigata Carl Hedin and Joseph Ewan 1933-1-28 7629 Los Angeles at Radford Dr. Los Angeles R.; San Fernando Valley, Los Angeles R. Comment
  UCR125241  Salix laevigata A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25499 Los Angeles NE end of Santa Susana Mtns., canyon draining into Santa Clara River Valley from the south off 'Round Mtn.' (peak 1476), north of Potrero Canyon 305 Comment
  RSA92700  Salix laevigata F. W. Peirson 1919-3-30 359 Los Angeles Tujunga Canyon, west end of San Gabriel Mountains 427 Comment
  CHSC95343  Salix lasiolepis LeRoy Gross 2002-3-7 490 Los Angeles Los Angeles Basin; Verdugo Mountains Region: North side; Off La Tuna Canyon Road, Santa Monica Mountains Conservancy Land. south of 210 Freeway. Side canyon off of La Tuna Canyon. 579 Comment
  LA208783  Salix lasiolepis A. M. Johnson; 1927-10-21 sn Los Angeles canyon E of Palmdale Comment
  RSA584009  Salix lasiolepis Tim S. Ross, Steve D. Boyd 1991-4-25 4598 Los Angeles Lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at 1540 ft. elev.) (Glendora) 536 Comment
  SBBG57885  Salix lasiolepis F. R. Fosberg 1932-1-26 7172 Los Angeles top of grade between Calabasas and Agoura 285 Comment
  UCR223598  Salix lasiolepis R. G. Swinney 2009-6-8 11088 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy 1720 Comment
  LA208801  Salix lasiolepis Carl Hedin; Joseph Ewan 1933-3-15 7641 Los Angeles Area 1 Comment
  SEINET12003299  Salix lasiolepis C. W. Sharsmith 1931-1 3 Los Angeles Santa Monica Mts. near mouth of Topanga Canyon 15 Comment
  RSA401637B  Salvia apiana William Emboden 1970-6-12 34 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  SD69617  Salvia apiana Robert F. Thorne, P. Everett 1965-5-10 34440 Los Angeles Cape Canyon, Santa Catalina Island. 274 Comment
  OBI2678  Salvia apiana Bill Arbaugh 1966-5-28 s.n. Los Angeles Little Tajunga Cyn 335 Comment
  RSA0127579  Salvia apiana Louis C. Wheeler 1967-7-20 10117 Los Angeles Aliso Canyon. 1067 Comment
  RSA442822  Salvia apiana William Emboden 1969-5-28 5 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA442835  Salvia apiana William Emboden 1969-5-28 21 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  CDA40954  Salvia carduacea Phillipson 1916-5-6 5 .1.A Los Angeles Monrovia. 0 Comment
  PASA472  Salvia carnosa subsp. pilosa Frank W. Peirson 1929-6-15 Los Angeles Rock Creek, San Gabriel Mts. 1295 Comment
  UC1124713  Salvia columbariae A. D. Gifford 1934-5-8 211 Los Angeles 4 mi nw Castro Peak; Triunfo Pass Quad. 670 Comment
  RSA401460B  Salvia columbariae L. E. Hoffman 1930-5-8 s.n. Los Angeles Roadside, Sunland Comment
  RSA401467B  Salvia columbariae L. E. Hoffman 1929-5-18 s.n. Los Angeles Pacoima, Angeles National Forest. Comment
  JEPS22887  Salvia dorrii var. pilosa Paul D. Hurd Jr. 1959-5-6 125 Los Angeles sw of Gorman, Los Angeles County (Hungry Valley); Hungry Valley Comment
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Apr 29 2008
  RSA446304  Salvia dorrii var. pilosa T. W. Minthorn 1927-6-11 s.n. Los Angeles Near Neenach. Comment
  CAS-BOT-BC233692  Salvia leucophylla Carl Epling 1932-6-10 s.n. Los Angeles Topanga Canyon, Santa Monica Mountains Comment
  RSA344356  Salvia leucophylla Michael C. Long 1982-6-25 247 Los Angeles Placerita Canyon Road, San Gabriel Mountains, ca. 0.5 mi. E of Hwy 14 (Antelope Valley Fwy). 396 Comment
  RSA612194  Salvia leucophylla Bill Campbell 1932-4-16 s.n. Los Angeles Santa Monica Mountains: Los Alisos Canyon. Comment
  UC1124761  Salvia leucophylla G. T. Nordstrom 1935-2-1 311 Los Angeles Mouth of West Fork; Santa Barbara National Forest, Tejon Quad. 822 Comment
  CATA585  Salvia mellifera Mark L. Hoefs 1991-4-7 1023 Los Angeles Santa Catalina Island: Upper Avalon Canyon, south-west of Divide Road 377 Comment
  RSA0087042  Salvia mellifera R. G. Swinney 2010-3-13 11874 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  RSA434110  Salvia mellifera L. H. Jones 1909-4-1 s.n. Los Angeles 1050 feet, Mount Wilson Trail, Sierra Madre. 320 Comment
  RSA434117  Salvia mellifera Geo. L. Moxley, Grinnell 1916-6-15 s.n. Los Angeles Santa Susana Mountains. Comment
  SBBG31381  Salvia mellifera R. F. Thorne with P. C. Everett 1965-5-10 34444 Los Angeles Black Jack Mtn, few hundred feet below summit 487 Comment
  SBBG39466  Salvia mellifera K. K. Muller 1953-5-2 586 Los Angeles Swain Cyn above Camp Orizaba Comment
  SFV6197  Salvia mellifera R. M. Muran 1974-4-4 80 Los Angeles Santa Monica Mountains Rustic Canyon, about 2 miles from Mulholland Drive. 427 Comment
  UCR213580  Salvia mellifera A. C. Sanders 2010-5-7 38342 Los Angeles South Coast, Palos Verdes Peninsula, south of Palos Verdes Dr. South, Rancho Palos Verdes near Los Angeles city boundary 104 Comment
  RSA434069  Salvia spathacea Dorothy Davis 1923-4-29 s.n. Los Angeles La Canada. Comment
  UC57015  Salvia spathacea Ernest Braunton 1902-5-27 365 Los Angeles Sherman Comment
  RSA477542  Sambucus mexicana House, Grumbles 1930-8-13 s.n. Los Angeles San Clemente Island. Comment
  SBBG78720  Sanicula arguta F. R. Fosberg 1931-3-23 4334 Los Angeles Hamilton Cyn 40 Comment
  RSA678895  Sanicula arguta Dylan Hannon 1996-4-21 s.n. Los Angeles San Clemente Island. Across the road from Stone Station. Comment
  UCD127920  Sanicula arguta P. B. Kennedy 1928-3-28 s.n. Los Angeles southeast of golf-links, Avalon, Santa Catalina Island. Comment
  UCR182685  Sanicula crassicaulis R. G. Swinney 1998-4-13 5952 Los Angeles San Gabriel Mtns, Marshall and Live Oak Canyon drainages, LaVerne 695 Comment
  UC1483932  Sarcodes sanguinea Gary D. Wallace 1969-6-23 821 Los Angeles 1 - 2 mi. e. Ridgecrest (along Angeles Crest Hwy. (State Hwy. 2), 200 yds. w. of a picnic ground, Angeles Nat'l Forest); San Gabriel Mts., Angeles Nat'l Forest Comment
  RSA458885  Saxifraga californica Anstruther Davidson 1908-04 1822 Los Angeles Hartford[?] Canyon, Hollywood. Comment
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Nov 12 2014
  UCR130833  Schismus arabicus David Charlton 1989-4-7 2866 Los Angeles San Gabriel Mtns. (NW), Soledad Pass, Kentucky Springs development, 1 mile south of Hwy 14 on Angeles Forest Hwy (N-3), c. 5 mi. (airline) south of Palmdale 1037 Comment
  RSA0110609  Schismus arabicus Steven A. Junak 1999-4-22 SCa- 836 Los Angeles Santa Catalina Island. At White's Landing, tent cabin area, YMCA Camp, just W of amphitheater. 6 Comment
  SBBG112874  Schismus barbatus S. A. Junak 1998-3-22 SCa 512 Los Angeles rd to Shark Harbor, just W of Little Harbor Rd 60 Comment
  CAS-BOT-BC111232  Schoenoplectus californicus George B. Grant 1904-7-14 6334 Los Angeles East lake Reservoir Comment
  RSA366002  Schoenoplectus californicus Georgie Cook, Thelma Ashley 1926-07 s.n. Los Angeles Gardena. Comment
  RSA366072  Schoenoplectus maritimus Wm Martin 1971-8-25 s.n. Los Angeles Point Dume Comment
  LA104168  Scirpus microcarpus David Hollombe; 1985-9-3 sn Los Angeles SANTA MONICA MOUNTAINS, Escondido Canyon, short distance below falls. Comment
  POM6458  Scirpus microcarpus L. T. Street, G. Williams 1919-5-10 2755 Los Angeles Near Bassett. 90 Comment
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Feb 23 2017
  SEINET3246198  Scirpus microcarpus R. G. Swinney 2008-1 8973 Los Angeles San Gabriel Mtns.: lower Sandrock Creek, 1.2 mi. SSW of Valyermo post office. 1170 Comment
  JEPS26438  Scrophularia californica Peter H. Raven 1960-5-21 15412 Los Angeles UCLA; Santa Monica Mts 121 Comment
  RSA79456  Scrophularia villosa F. W. Peirson 1922-4-10 3438 Los Angeles San Clemente Island, about 10 miles SE of Wilson's Cove Comment
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May 16 2008
  SEINET3153292  Scutellaria angustifolia G. B. Grant 1189 Los Angeles Altadena Comment
  RSA729820  Scutellaria siphocampyloides R. G. Swinney 1998-7-6 6275 Los Angeles San Gabriel Mtns.: Mescal Canyon, 2.3 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1646 Comment
  SFV8254  Scutellaria siphocampyloides T. Gordon, K. Kimbrough, M. H. Grayum 1976-6-25 1611 Los Angeles San Gabriel Mountains Chilao Flat. 1585 Comment
  UC534828  Scutellaria siphocampyloides Victor Duran 1933-7-8 3503 Los Angeles Horse Flats; San Gabriel Mountians, Horse Flats 1676 Comment
  UCR238645  Scutellaria siphocampyloides Anuja Parikh, Nathan Gale 2010-6-18 3337 Los Angeles Transverse Range; San Gabriel Mountains, upper Big Tujunga Canyon, 1.2 km north of State Hwy 2 (Angeles Crest Hwy) 0.4 km west of Upper Big Tujunga Canyon Road 1220 Comment
  UCD169411  Secale cereale A. C. Sanders; S. D. Boyd 1997-4-19 20492 Los Angeles Antelope Valley, along Hwy 138 in vicinity of 230th St. West. 890 Comment
  CAS-BOT-BC63897  Sedum spathulifolium I. M. Johnston 1918-6-23 2053 Los Angeles West end of Ontario Peak (Cascade Canyon) 1676 Comment
  RSA0081655  Sedum spathulifolium Joseph A. Ewan 1932-5-30 7225 Los Angeles North Fork Tujunga Creek. San Gabriel Mts. 1067 Comment
  SBBG128360  Selaginella bigelovii B. E. Carter 2012-8-23 6996 Los Angeles Airport Rd, ca. 100 m S of the airport 470 Comment
  SD107805  Selaginella bigelovii Larry De Buhr, Gary Wallace 1972-9-3 708 Los Angeles San Clemente Island, in canyon west of Thirst Pf?., Horse Canyon 519 Comment
  CAS-BOT-BC333076  Senecio flaccidus var. douglasii Ernest C. Twisselmann 1955-8-10 2308 Los Angeles Castaic Valley 1/2 mile north of Holland Summit, san Emigdio Range 1219 Comment
  SEINET7025214  Senecio flaccidus var. douglasii S. D. Gaimari 1994-6-29 s.n. Los Angeles Las Crescenta; 2 kilometers up Eagle Canyon, on south base of Mount Lukens. Comment
  SBBG31019  Senecio vulgaris R. F. Thorne 1966-4-28 36209 Los Angeles rd to Renton Mine, Pebbly Beach Cyn 243 Comment
  UCR138498  Senecio vulgaris L. C. Wheeler 1974-3-28 s.n. Los Angeles San Gabriel Mtns, Wildwood Ranch, east of Glendora 389 Comment
  RSA724102  Setaria adhaerens R. E. Riefner 2004-8-22 4 -383 Los Angeles City of Pasadena, Arroyo Seco Creek, S of Arroyo Blvd. 226 Comment
  UCSB10673  Setaria gracilis Robert M. Lloyd 1959-5-21 224 Los Angeles collected in Pomona College Campus Claremont in the corner of 6th St and College St Pomona College, 6th St., College St and Claremont 365 Comment
  UCR18379  Setaria viridis O. F. Clarke 1977-7-4 s.n. Los Angeles Pasadena, residential garden at 384 North Oakland Avenue 268 Comment
  POM293139  Silene laciniata subsp. major Lyman Benson 1947-5-13 12403 Los Angeles LIttle Dalton Canyon 365 Comment
  UCR271592  Silene lemmonii R. G. Swinney 2011-5-19 14784 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.6 miles SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., south side of Coldwater Cyn. creek 1073 Comment
  SD215461  Silene verecunda Timothy S. Ross, Steve Boyd and Peter W. Fritsch 1990-6-11 3357 Los Angeles Big Rock Creek Canyon, ca. 120 m NNW of Icy Springs around a stone building that has been gutted by fire. 1730 Comment
  RSA639714  Silene verecunda subsp. platyota L. C. Wheeler 1968-6-14 s.n. Los Angeles Spring on north side of Blue Ridge by Guffy camp. Comment
  SBBG31396  Silybum marianum R. F. Thorne with P. C. Everett 1965-6-24 35047 Los Angeles above pond impounded behind dam in lower Cottonwood Cyn Comment
  RSA659871  Sisymbrium altissimum Orlando Mistretta 1992-8-20 765 Los Angeles San Gabriel Mts region: Mt. Gleason Management Unit. Mt Gleason. Tujunga Ranger District. Comment
  UCR193716  Sisymbrium altissimum R. G. Swinney 1999-6-18 7293 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  RSA709955  Sisymbrium altissimum LeRoy Gross 2005-4-28 2149 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  RSA592152  Sisymbrium officinale L. C. Wheeler 1967-5-7 9281 Los Angeles Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon 609 Comment
  RSA726751  Sisymbrium officinale Anstruther Davidson 1993-05 s.n. Los Angeles 4th & Wall St. Comment
  SFV21762  Sisymbrium orientale L. Gross 2001-3-31 375 Los Angeles Verdugo Mountains South side of Verdugo Mountains at end of Olive Ave. Parked on Via Montana in Burbank, follow an old road that is overgrown that goes up to the main crest with Sunset Canyon to the west and Story Canyon to the east. Open area on west-facing talus slope with Deer Canyon below. 549 Comment
  CDA3847  Sisymbrium orientale L. C. Wheeler 1973-4-7 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region; San Gabriel Mountains: Big Tujunga Canyon, near La Paloma Flat. Comment
  UC1032500  Sisyrinchium bellum Jerome S. Horton 1936-4-20 296 Los Angeles San Dimas Canyon Dam, San Dimas Watershed San Dimas Canyon Dam 548 Comment
  RSA601193  Sisyrinchium bellum Louis C. Wheeler 1967-6-26 9912 Los Angeles San Gabriel Mountains : Placerita Canyon; ca. 1/4 mile E of highway 457 Comment
  UCR194179  Sisyrinchium idahoense R. G. Swinney 1998-7-24 6555 Los Angeles San Gabriel Mtns., Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge 2012 Comment
  UCR117122  Sisyrinchium rosulatum A. C. Sanders, D. Malueg 2001-5-17 24313 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
  UC64099  Smilacina stellata H. M. Hall June, 1899 Los Angeles San Antonio Mountains; canyon 2438 Comment
  RSA0031805  Solanum douglasii Geraldine Dodd 1992-5-25 024 Los Angeles 2 miles north of Santa Anita Canyon Rd. from Sturtevant Dr. intersection. 457 Comment
  RSA422433  Solanum douglasii Elbert Benjamine, Benjamine Rice 1929-1-6 s.n. Los Angeles Between N Ave. 61 and Arroyo Seco, Los Angeles Comment
  SD114439  Solanum douglasii Darley F. Howe 1915-4-1 50 Los Angeles Claremont Comment
  RSA248838  Solanum douglasii Robert F. Thorne 1973-4-11 42847 Los Angeles San Clemente Island, middle portion of Norton Canyon. 274 Comment
  RSA422431  Solanum douglasii F. R. Fosberg 1930-6-23 S- 2987 Los Angeles Del Rey. 2 Comment
  RSA657957  Solanum douglasii S. Campbell 1980-6-2 27 Los Angeles Verdugo Mountains: Found 500 feet west off Sierra Place 244 Comment
  SEINET12274721  Solanum douglasii J. F. Bright, Wyman, C. 1931-1 5749 Los Angeles in suburbs of Hollywood Comment
  RSA783658  Solanum nigrum J. D. Olmsted 1958-3-11 48 Los Angeles Pomona College campus, [city of] Claremont, near eastern boundary of Los Angeles County. Gradual southward drainage along San Antonio Creek in Blanchard Park. 366 Comment
  CATA3553  Solanum rostratum Peter J. Dixon 2018-5-31 117 Los Angeles Santa Catalina Island: Interior; Black Jack Volunteer Camp, near propane tank; developed disturbed area 0 Comment
  RSA581014  Solanum umbelliferum Jamie Kneitel 1995-4-9 17 Los Angeles San Gabriel Mountains, 4.7 miles north of ranger station on Angeles Crest Highway. 915 Comment
  UCR149970  Solanum umbelliferum var. incanum Scott D. White 2004-5-5 10305 Los Angeles Transverse Range; Liebre Mountains, Bald Mountain area, west of Old Ridge Route 1341 Comment
  SBBG32153  Solanum wallacei R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -228 Los Angeles lower Middle Ranch Cyn crk Comment
  UCD127056  Solanum xanti Daryl Koutnik 1978-3-29 s.n. Los Angeles Chatsworth Resevoir at the W end of the San Fernando Valley. 365 Comment
  SEINET7262095 Image available Solanum xanti var. glabrescens B. C. Templeton, I. W. Clokey 1930-4-8 1045 Los Angeles San Francisquito Canyon; San Gabriel Mountains Comment
  RSA709466  Solanum xanti var. intermedium A. C. Sanders, Helen Kennedy 2005-4-13 29484 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between mint and Plum Canyons. 457 Comment
  RSA473614  Solidago californica L. E. Hoffman 1932-8-14 17122 Los Angeles Crystal Lake, Angeles National Forest. 1677 Comment
  RSA716921  Solidago californica LeRoy Gross, Naomi Fraga 2006-1-20 2450 Los Angeles East end of the Verdugo's. North side of the main crest. Deer Creek off of Beaudry Road. West of Debris Basin. 448 Comment
  UCR199999  Solidago californica Valerie Soza, Mariam Sidibeh 2003-3-26 1623 Los Angeles Transverse Ranges; Verdugo Mountains, Western San Rafael Hills, Fern lane Motorway, northwst of Flint Peak 457 Comment
  CAS-BOT-BC365027  Solidago velutina subsp. californica F. Grinnell Jr. 1917-8-30 s.n. Los Angeles Buckhorn Canon [Canyon], San Gabriel Mountains Comment
  RSA474102  Sonchus oleraceus Robin S. Collins 1973-5-15 265 Los Angeles Angeles National Forest; Trail Canyon, into cyn. ca. 1/2 - 1 mi from beginning of pack trail 610 Comment
  RSA657026  Sonchus oleraceus Joseph M. Keefe 2001-1-19 30903 Los Angeles on 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, California 90042. 262 Comment
  SBBG32151  Sonchus oleraceus R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -237 Los Angeles S side of Little Harbor Comment
  RSA526159  Sonchus oleraceus Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-6 4153 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  RSA0036983  Spartium junceum R. G. Swinney 2010-5-29 13406 Los Angeles San Gabriel Mountains: junction of W. Fork May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 Comment
  RSA329567  Spartium junceum Gary D. Wallace 1966-4-1 450 Los Angeles Fish Canyon no. of Duarte Comment
  RSA747191  Spartium junceum R. G. Swinney 2008-6-9 9011 Los Angeles middle fork of Punchbowl Canyon at junction with South Fork Trail, 2.1 mi. SSE of Devils Punchbowl Co. Park headquarters via trail 1585 Comment
  LA82245  Spergula arvensis O. H. Kappler; 1944-4-2 564 Los Angeles 60 Comment
  UC917789  Spergula arvensis subsp. arvensis Frank W. Gould 1944-4-15 2289 Los Angeles n.w. Los Angeles Airport (Sepulveda Blvd.) Comment
  RSA0097076  Spergularia A. C. Sanders 2003-8-6 27114 Los Angeles Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters 320 Comment
  NY482312  Spergularia macrotheca S. D. Boyd 1990-4-7 4250 Los Angeles San Clemente Island. Lower half of China Syn, S end of island, W side. Comment
  RSA0000008  Sphacele cordifolia C. F. Baker 1904-6-14 5061 Los Angeles Hills near Claremont. Comment
  RSA483227  Sporobolus airoides Anstruther Davidson 1892-7-3 s.n. Los Angeles Lancaster. Comment
  SEINET4044588  Stachys ajugoides D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 167 Comment
  UCD125798  Stachys albens Shirley W. Campbell 1970-4-24 104 Los Angeles east bank of lower reach of the Arroyo Seco, southwestern Pasadena. Comment
  RSA264689  Stachys bullata Louis C. Wheeler 1933-5-5 1708 Los Angeles San Gabriel Mountains, Fish Canyon. 290 Comment
  UCR124441  Stachys bullata I. W. Clokey, B. C. Templeton 1929-1 4460 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  LA201834  Stanleya pinnata var. pinnata Arthur C. Gibson; 2003-5-22 4926 Los Angeles 15 Comment
  JEPS35697  Stebbinsoseris heterocarpa W. L. Jepson 1939-4-14 19111 Los Angeles Russell Valley Russell Valley (West Los Angeles County) Comment
  SD252289  Stebbinsoseris heterocarpa Steven A. Junak 1999-4-23 Sca 853 Los Angeles Santa Catalina Island: Plant stop. 347 Comment
  RSA478169  Stellaria media Robin S. Collins 1973-3-26 211 Los Angeles Trail Canyon, from beginning of pack trail into canyon. ca. 3 mi. 609 Comment
  RSA747042  Stellaria media R. G. Swinney 2008-4-16 8671 Los Angeles San Dimas, Spring Canyon 341 Comment
  UCR261538  Stellaria media R. G. Swinney 2010-2-27 11703 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  RSA662326  Stellaria media Daniel Curran 1981-3-3 50 Los Angeles Cal Poly Pomona campus near old greenhouse. Comment
  RSA596892  Stellaria nitens Timothy S. Ross, J. Mark Porter 1995-5-4 8512 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  UCR231390  Stephanomeria Dan S. Cooper 2011-10-5 1011- 125 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, upper Fern Canyon 188 Comment
  RSA474172  Stephanomeria cichoriacea F. R. Fosberg 1931-10-11 7217 Los Angeles Topanga Canyon, Santa Monica Mts. Comment
  RSA784834  Stephanomeria cichoriacea J. D. Olmsted 1959-9-21 965 Los Angeles Along road above Big Dalton dam along side inlet from Monroe Canyon in San Dimas Experimental Forest NE of Glendora, San Gabriel Mts. 518 Comment
  UCSB33663  Stephanomeria cichoriacea Griesel, Wesley 1961-9-23 Los Angeles Switzers Camp, San Gabriel Mts. 762 Comment
  SBBG67911  Stephanomeria pauciflora R. Hoffmann 1927-8-31 Los Angeles E slope of divide in Mint Cyn Comment
  UCR100431  Stephanomeria pauciflora Scott D. White, Pam DeVries 1997-11-20 6025 Los Angeles San Gabriel Mtns., Big Tujunga Wash, west of Sunland, SW of I-210 freeway, east of Hansen Dam, and north of Wentworth St. 335 Comment
  RSA670647  Stephanomeria pauciflora var. pauciflora B. C. Templeton 1932-7-21 5032 Los Angeles East Blue Ridge, Big Pines Park. San Gabriel Mountains 2134 Comment
  CAS-BOT-BC375806  Stephanomeria virgata Alice Eastwood 1916-8-1 s.n. Los Angeles Los Angeles Comment