Search Results — 2000 specimen records retrieved (1591 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
  RSA0065508  Abies concolor Rudi Schmidt 1962-6-2 s.n. Los Angeles Swarthout Valley, Angeles National Forest. 1981 Comment
  UC2052839  Abronia maritima M. B. Dunkle 1939-4-5 7278 Los Angeles San Clemente Island, Pyramid Cove. Comment
  RSA460976  Abronia umbellata P. A. Munz 1932-8-31 12814 Los Angeles Back beach, Playa del Rey. Comment
  RSA126739  Abronia umbellata Peter H. Raven 1959-3-14 13858 Los Angeles just E of Zuma Beach, Point Dume 8 Comment
  RSA450615  Acacia dealbata A. C. Sanders 1987-12-4 7585 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  RSA651422  Acacia longifolia Hughie Johnson 1949-2-20 s.n. Los Angeles Elysian Hills Park, Los Angeles. 182 Comment
  UCR51073  Acacia longifolia A. C. Sanders 1988-3-17 7733 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
  SEINET12234132  Acer macrophyllum E. Mason, Wunderly, J. 1945-1 s.n. Los Angeles Eaton's Canyon, Pasadena Comment
  CAS-BOT-BC21683  Achillea millefolium L. R. Abrams; I. L. Wiggins 1931-7-3 294 Los Angeles Santa Barbara Island Comment
  UC557664  Achillea millefolium Nell Murbarger 1936-3-1 47 Los Angeles San Clemente Island Comment
  CDA312  Achillea millefolium L. C. Wheeler 1968-4-13 s.n. Los Angeles San Gabriel Mountains; Just west of Bluebird Truck Trail. Comment
  RSA772111  Achnatherum hymenoides R. G. Swinney 2009-5-12 10740 Los Angeles lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164?) of Littlerock 1061 Comment
  CAS-BOT-BC210904  Achnatherum parishii subsp. depauperatum Timothy S. Ross; Steve Boyd; Peter W. Fritsch 1990-6-11 3373 Los Angeles San Gabriel Mountains. Big Rock Creek Canyon: along stream and immediately adjacent flats and slopes; ca 130 m N to 250 m NNW of Icy Springs 1732 Comment
  RSA595016  Achyrachaena mollis Mark Hoefs, Steven A. Junak 1996-4-30 2675 Los Angeles Santa Catalina Island. Road to Isthmus (from Avalon), just past gate and Isthmus summit reservior. 107 Comment
  RSA682500  Achyrachaena mollis Scott D. White, Michael Honer 2003-5-7 9232 Los Angeles Liebre Mountains: Tapia Canyon, about 2 air miles east of Interstate 5 junction at Old Ridge Route. 427 Comment
  SBBG67341  Acmispon americanus M. N. Ackley 1927-5-29 538 Los Angeles Mulholland Drive 281 Comment
  CAS-BOT-BC204745  Acmispon argophyllus var. argenteus Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-7 4204 Los Angeles San Clemente Island. Upper reaches of China Cyn, S end of island, W side Comment
  CAS-BOT-BC204768  Acmispon argophyllus var. argenteus H. E. McMinn 1924-7-25 1315 Los Angeles Catalina Island Comment
  SDSU4287  Acmispon argophyllus var. argenteus R. M. Beauchamp 1967-1-27 118 Los Angeles East of Wilson Cove. San Clemente Island. Comment
Read comments
May 16 2008
  SBBG95677  Acmispon dendroideus var. traskiae A. Liston, O. Mistretta, L. Rieseberg 1989-4-30 805 -5 Los Angeles Waynuk Cyn Comment
  SD52896  Acmispon dendroideus var. traskiae Peter H. Raven 1962-5-7 17578 Los Angeles Wilson Cove, in grassland on edges of gully 91 Comment
  CHSC8355  Acmispon glaber Edward L. Smith 1957-5-2 170 Los Angeles Located in a wash at Pomona College. 365 Comment
  SEINET5327555  Acmispon glaber var. glaber G. B. Grant, Walter Wheeler 1904-7-5 711 Los Angeles Collected at Covina Comment
  UCD104176  Acmispon grandiflorus Daryl Koutnik 1978-5-10 471 Los Angeles End of Corral Canyon Road, Santa Monica Mountains. 731 Comment
  LA201182  Acmispon wrangelianus Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  RSA471684  Acourtia microcephala George R. Johnstone 1934-5-20 s.n. Los Angeles Santa Catalina Is. Descanso Canyon. Comment
  UCR274118  Acourtia microcephala Steven A. Junak, Mark Hoefs 1997-6-4 SCa- 416 Los Angeles California Islands, Santa Catalina Island, lower part of small canyon at west end of Empire Landing rock quarry site 37 Comment
  SDSU8956  Adenostoma fasciculatum D. F. Howe 1947-5-4 1570 Los Angeles Mint Canyon. Comment
  SEINET11914031  Adenostoma fasciculatum I. W. Clokey, Templeton, B. 1929-1 4500 Los Angeles Mandeville Canyon, Santa Monica Mountains 350 Comment
  RSA717613  Adenostoma fasciculatum var. fasciculatum Gary D. Wallace 1987-5-5 2645 Los Angeles Monrovia. Gold Hill. Comment
  UC1127739  Adenostoma sparsifolium P. L. Johannsen 1934-1-5 215 Los Angeles Calabasas Quad., Dry Canyon Comment
  RSA0035080  Adenostoma sparsifolium K. Kneen 1933-8-24 s.n. Los Angeles Foot of Saddle Peak, Topanga Canyon. Comment
  LA200064  Adiantum capillus-veneris Lawrence L. Kiefer; 1966-3-20 1757 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon, ca 1 mi from mouth of canyon. 91 Comment
  UC811102  Adiantum capillus-veneris F. R. Fosberg 1931-7-13 R 112 Los Angeles near Avalon (Hamilton Canyon); Santa Catalina Isl 60 Comment
  UCR190926  Adiantum capillus-veneris R. G. Swinney 1999-7-14 7559 Los Angeles San Gabriel Mtns., East Fork San Gabriel River Canyon, c. 0.25 mi. north of Laurel Gulch 713 Comment
  RSA687710  Adiantum jordanii Alva Watry 1931-5-26 s.n. Los Angeles Pico Canyon Comment
  SEINET10839583  Adiantum jordanii Lenington 1919-1 LENINGTON UMO 32138 Los Angeles San Dimas Canyon, Pomona, California. Comment
  RSA0012181  Aesculus californica Mark A. Elvin, Brock Ortega 2002-4-18 1924 Los Angeles Hacienda Heights 198 Comment
  UCR97791  Ageratina adenophora Scott D. White 1997-3-12 4735 Los Angeles Pacific Coast, Zuma Beach, mouth of Zuma Creek, E end of the County Beach. 8 Comment
  RSA233724  Agrostis exarata R. F. Thorne, Larry E. DeBuhr 1972-8-18 42240 Los Angeles San Gabriel Mountains, Angeles National Forest: Buckhorn Station along Angeles Crest Highway 2061 Comment
  SBBG13021  Agrostis pallens E. R. Blakley 1962-10-4 5402 Los Angeles W of Ironwood Gully, S of Catalina Harbor at the isthmus 182 Comment
  SD69696  Agrostis pallens Robert F. Thorne 1966-6-1 36459 Los Angeles Santa Catalina Island, on dry northeast-facing bluff along Pebbly Beach Drive southeast of Avalon. 14 Comment
  UC205245  Agrostis viridis D. L. Crawford 1916-5-20 Los Angeles mountains above Claremont Comment
  UCR123922  Allium fimbriatum var. mohavense George K. Helmkamp, E. A. Helmkamp 2001-5-2 6657 Los Angeles Western Mojave Desert, Antelope Valley, 0.1 mi west of Calif. Hwy 138 on Ave. W, then 0.3 mi S on [180th St. East] dirt road 976 Comment
  RSA9667  Allium haematochiton L. C. Wheeler 1932-3-3 451 Los Angeles San Jose Hills at Pomona. 305 Comment
  RSA367166  Allium lacunosum var. davisiae Carl Epling, L. Ellison 1930-4-17 s.n. Los Angeles Palmdale. Comment
  RSA376824  Allium praecox M. B. Dunkle 1939-4-4 7245 Los Angeles San Clemente Island: Chenetti Canyon. Comment
  CHSC95536  Allophyllum divaricatum LeRoy Gross; Laura Moore, Debby Zygielbaum, Ron Burchet 2000-6-8 240 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land.On trail up out of canyon and going to the crest following a ridge running northwest from the crest, sunny south side of ridge.. 726 Comment
  IRVC27308  Allophyllum divaricatum A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27146 Los Angeles Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle NE end of Santa Susana Mtns. 280 Comment
  POM175416  Allophyllum divaricatum Joseph A. Ewan 1930-6-23 2651 Los Angeles Little Cienega below Crystal Lake 1463 Comment
  RSA0088152  Allophyllum divaricatum R. G. Swinney 2010-8-30 13611 Los Angeles East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream. 595 Comment
  RSA677526  Allophyllum divaricatum Anstruther Davidson 1946 Los Angeles San Gabriel Mountains. 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
  RSA26368  Allophyllum divaricatum Verne Grant, Alva Grant 1955-05 9400 Los Angeles [Seed parents in a natural population in Cow Canyon, San Gabriel Mts.] Comment
  RSA81977  Allophyllum divaricatum Verne Grant, Alva Grant 1955-05 9400 Los Angeles [Seed parents in a natural population in Cow Canyon, San Gabriel Mts.] Comment
  UC55349  Allophyllum glutinosum J. H. Barber 1898-8-5 Los Angeles Malibu Comment
  RSA452782  Alnus rhombifolia F. R. Fosberg 1931-3-1 S- 4218 Los Angeles Topanga Canyon, 2.5 mi. below Wildwood, Santa Monica Mountains. 60 Comment
  RSA654658  Alnus rhombifolia Fred Brooks 1988-4-3 1 Los Angeles San Antonio Canyon, above lower ranger station along stream and sides of canyon. Comment
  UC1135144  Alnus rhombifolia F. H. Raymond 1930-1-29 46 Los Angeles Topanga Canyon Calabasas Quadrangle 91 Comment
  UCD110020  Alnus rhombifolia Geoffrey Levin 1975-1-19 457 Los Angeles San Dimas Canyon about 2 mi. above the reservoir. San Gabriel Mts. Mt. Range. Comment
  LA31598  Amaranthus albus Peter H. Raven; Henry J. Thompson 1959-6-4 14330 Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  UCR125612  Amaryllis belladonna A. C. Sanders 2003-5-26 26859 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel 171 Comment
  RSA177889  Amblyopappus pusillus R. F. Thorne, Percy C. Everett 1965-5-11 34536 Los Angeles Near Ballast Point, E side of Catalina Harbor, Santa Catalina Island 45 Comment
  CAS-BOT-BC42892  Ambrosia acanthicarpa Timothy S. Ross; Steve Boyd 1994-9-20 8238 Los Angeles 2 miles NW of Acton, S side of intersection Escondido Canyon Road & Red Rover Mine Road 902 Comment
  UCR210173  Ambrosia acanthicarpa R. G. Swinney 2008-10-16 9620 Los Angeles San Gabriel Mtns., Big Pine Meadow 2061 Comment
  RSA592226  Ambrosia acanthicarpa L. C. Wheeler 1967-4-30 9236 Los Angeles San Gabriel Mountains. Limekiln Canyon. 549 Comment
  SBBG95444  Ambrosia chamissonis M. B. Dunkle 1928-4-29 1865 Los Angeles Little Harbor 1 Comment
  SDSU6285  Ambrosia chamissonis R. M. Beauchamp 1967-3-19 334 Los Angeles South of the west end of the main air field, Sherman Field, San Clemente Island. Comment
  CAS-BOT-BC45001  Ambrosia confertiflora Louis C. Wheeler 1933-11-24 2276 Los Angeles Arcadia 152 Comment
  CAS-BOT-BC55600  Ambrosia psilostachya Grinnell Jr. 1917-9-9 s.n. Los Angeles Los Angeles river bottoms near los Angeles Comment
  LA31630  Ambrosia psilostachya Peter H. Raven; Henry J. Thompson 1958-9-28 Los Angeles Elysian Park 198 Comment
  UCD170783  Amorpha californica R. G. Swinney 2009-5-8 10696 Los Angeles Transverse Range; San Gabriel Mtns., Azusa, El Encanto Azusa River Wilderness Park. 305 Comment
  RSA187834  Amsinckia intermedia R. F. Thorne 1966-4-7 35953 Los Angeles Santa Catalina Island: Cherry Forest, Cherry Valley 46 Comment
  SFV12031  Amsinckia intermedia D. L. Koutnik 1978-3-7 s. n. Los Angeles San Fernando Valley Los Angeles, Northridge. Field at northeast corner of Balboa and Parthenia. 249 Comment
  RSA526536  Amsinckia spectabilis Steve Boyd, L. Arnseth, Timothy S. Ross 1990-4-7 4274 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  CHSC85794  Amsinckia tessellata Richard R. Halse 2002-3-25 6134 Los Angeles Along State Hwy. 138, 5.3 miles W of its junction with State Hwy. 14; Antelope Valley. Road margins. 723 Comment
  UCSB45405  Amsinckia tessellata Osburn, Rob 1979-3-25 Los Angeles West Antelope Valley - 70th St. and Ave. L 716 Comment
  RSA599189  Anagallis arvensis Scott D. White 1997-3-12 4739 Los Angeles Zuma Beach; mouth of Zuma Creek, E end of the County Beach. 8 Comment
  RSA92386  Ancistrocarphus filagineus F. W. Peirson 1919-5-10 1302 Los Angeles Arraster [Arrastre] Creek. North base of San Gabriel Mountains 915 Comment
  UCR9394  Andropogon glomeratus D. H. Wilken 1965-11-1 584 Los Angeles San Gabriel Mtns., North Fork of the San Gabriel River c. 5 mi north of the West Fork confluence Comment
  RSA250506  Andropogon glomeratus var. scabriglumis R. F. Thorne, J. Dourley 1967-10-10 37381 Los Angeles San Gabriel Mountains, Angeles National Forest: Yucca Flats Summer Housing Tract. 1250 Comment
  RSA674555  Anthemis cotula Scott D. White 2000-6-24 8094 Los Angeles Puente Hills: City of Rowland Heights, 'Rancho Rincon de la Brea' near Bill Blevins Park. 213 Comment
  RSA479901  Anthriscus caucalis Steve Boyd, Thomas Elias 1987-4-14 2046 Los Angeles San Gabriel Mountains, Rincon - Red Box Road, S of Rincon Forest Station, N. of Glendora. Comment
  RSA80434  Antirrhinum multiflorum F. W. Peirson 1924-5-26 4643 Los Angeles Trail to Switzers Camp, San Gabriel Mts 930 Comment
  CAS-BOT-BC176323  Aphanisma blitoides B. Catey 1930-4-1 s.n. Los Angeles Palo Verde Hills Comment
  CATA2997  Aphanisma blitoides Peter J. Dixon 2015-3-3 030 Los Angeles Santa Catalina Island: Shark Harbor near Cheep Chute Road, 560 m East of the beach 67 Comment
  UC284143  Aphanisma blitoides P. A. Munz 1923-4-11 6774 Los Angeles low shore on w coast San Clemente Island Comment
  RSA507522  Apiastrum angustifolium L. C. Wheeler 1967-5-2 9270 Los Angeles Liebre Mountains. North side of northwestern most end of foothills (of San Gabriel Mts.) between Bouquet Junction and Bonelli Ranch. 381 Comment
  RSA596202  Apium graveolens Lauren Raz, Steve Boyd 1996-10-23 13 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
  UCR204812  Apocynum cannabinum R. G. Swinney 2005-8-22 8522 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, fork of Devils Punchbowl Canyon 1220 Comment
  POM366919  Aquilegia formosa Elbert Benjamine 1929-5-26 178 Los Angeles San Dimas Canyon, San Gabriel Mountains. Comment
  POM371  Aquilegia formosa Ludden s.n. Los Angeles San Antonio Canyon, San Gabriel Mountains. Comment
  RSA482611  Arabis platysperma var. platysperma Fred Burlew 1926-07 s.n. Los Angeles Mt Islip. Comment
  UCR138854  Arbutus menziesii L. C. Wheeler 1968-10-5 s.n. Los Angeles San Gabriel Mtns., Rincon Canyon at Pine Mountain Truck Trail 732 Comment
  CAS-BOT-BC407776  Arceuthobium californicum Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-25 3768 Los Angeles low saddle between Crystal Lake and the depression to its SSW 1716 Comment
  RSA747671  Arceuthobium campylopodum R. G. Swinney 2001-9-15 8149 Los Angeles San Gabriel Mountains: Little Jimmy Campground on Pacific Crest Trail. 2268 Comment
  CAS-BOT-BC23619  Arctostaphylos crustacea Peter H. Raven; Henry J. Thompson 1959-2-25 13808 Los Angeles Santa Monica Mountains, Saddle Peak, 1.2 miles east of summit. 670 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
  RSA626800  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1992-10-15 22100 Los Angeles S-facing slopes at end of Hwy 39, NW of Crystal Lk. 1720 Comment
  UC1120283  Arctostaphylos glandulosa subsp. glandulosa H. A. Jensen 1933-3-22 275 Los Angeles Crystal Lake Rock Creek Quadrangle Comment
  LA200422  Arctostaphylos glandulosa subsp. mollis Norman A. Cole; May 1964 374 Los Angeles SANTA MONICA MOUNTAINS, Piuma Rd, 1.2 mi from junction of Rambla Pacifico and Schuern Road. 685 Comment
  POM294199  Arctostaphylos glandulosa subsp. mollis Lyman Benson 1953-3-9 15095 Los Angeles Glendora Mountain Road, lookout above San Gabriel Reservoir 10 mi. north of Glendora 976 Comment
  UC1922169  Arctostaphylos glandulosa subsp. mollis Valerie L. Soza, Ileene Anderson, LeRoy Gross 2000-6-6 990 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, southwest side: Along Verdugo Mtwy, E of junction with Stough Canyon Mtwy, above Stough and Wildwood canyons, west side of peak ''2642''. Near 34deg 13' 9.4'' N 118deg 17' 52.1'' W T2N R14W NW/4, NE/4 sec. 36. Elev. 2500 Feet. Comment
  RSA631461  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16035 Los Angeles Ridge Route, 18 km south of Liebre Gulch turnoff. 900 Comment
  RSA631574  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15939 Los Angeles Hughes Lake Road, 7 km north of Highway 5. 400 Comment
  RSA631589  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15959 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA631597  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-6-18 15609 Los Angeles Angeles Forest Highway, 1 km south of Hidden Springs Cafe. 850 Comment
  RSA631598  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-6-18 15607 Los Angeles Angeles Forest Highway, 1 km south of Hidden Springs Cafe. 850 Comment
  RSA631685  Arctostaphylos glauca Jon E. Keeley 1977-11-5 7012 Los Angeles Stunt Road, several km west of Stunt Ranch. 530 Comment
  RSA771584  Arctostaphylos glauca R. G. Swinney 2009-5-6 10667 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  RSA0087359  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15795 Los Angeles San Gabriel Canyon, Hwy 39, 9-10 km N of ORV area, San Gabriel Mtns. 900 Comment
  POM367311  Arctostaphylos glauca var. glauca T. S. Clare 1929-3-28 s.n . Los Angeles Topanga Canyon. Comment
  RSA634731  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20567 Los Angeles Road to Sulphur Springs Cpgrd., 4 km N of Angeles Crest Hwy, N of Chilao Cpgrd. San Gabriel Mtns. 1840 Comment
  RSA634751  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20387 Los Angeles Road to Pacifico Mtn., 6.0 km east of Mill Creek Summit, San Gabriel Mtns. 1830 Comment
  RSA634772  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20357 Los Angeles Road to Mt. Gleason, 9 km west of Mill Creek Summit, San Gabriel Mtns. 1730 Comment
  RSA634813  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20476 Los Angeles Road to Sulphur Springs Campground, 5.7 km north of Angeles Crest Hwy, North of Chilao Campground. San Gabriel Mtns. 1700 Comment
  RSA634885  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20438 a Los Angeles Road to Sulphur Springs Campground, 0.2 km north of dirt road to Pacifico Mtn., north of Chilao, San Gabriel Mtns. 1650 Comment
  RSA634915  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22048 Los Angeles Dirt road between Chilao and Mill Creek Summit, ca. 100 m north on side road to Pacifico Mountain. 2000 Comment
  UCR177469  Arenaria douglasii LeRoy Gross 2005-5-3 2237 Los Angeles Transverse Range; San Gabriel Mountains, west terminus of Holcomb Ridge, west of Big Rock Creek, along the east [and] NE side of hill. North of Fort Tejon Road, west of Valyermo Road [also T5N, R9W SW/4 sec. 31] 1215 Comment
  RSA642041  Arenaria macradenia var. arcuifolia Orlando Mistretta 1993-6-28 909 Los Angeles Angeles National Forest; Table Mountain, Sunrise ski area. Comment
  RSA762254  Arenaria macradenia var. macradenia Orlando Mistretta, Christine Mistretta 2008-5-2 2605 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 42 per TRTP survey, 2008), in the vicinity of Ritter Ridge. 1021 Comment
  RSA434286  Argemone corymbosa Geo. Cantwell 1930-05 s.n. Los Angeles Mint Canyon. Comment
  RSA0088831  Argemone munita Bonnie C. Templeton 1930-4-8 s.n. Los Angeles San Francesqueto [Francisquito] Canyon. Comment
  RSA597389  Argemone munita Tim S. Ross, S. D. Boyd 1990-6-18 3507 Los Angeles Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages. 1744 Comment
  RSA600545  Artemisia californica Steve Boyd, Lauren Raz 1997-5-28 9850 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
  IRVC29010  Artemisia douglasiana A. C. Sanders, Mark Elvin 2002-6-25 25284 Los Angeles Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 274 Comment
  CAS-BOT-BC93828  Artemisia dracunculus Le Roy Abrams 1901-4-6 1392 Los Angeles Big Tujunga Wash Comment
  CAS-BOT-BC97273  Artemisia tridentata subsp. parishii Timothy S. Ross; Steve Boyd 1994-9-20 8239 Los Angeles 2 miles NW of Acton: Sandy wash, S side of intersection Escondido Canyon Road & Red Rover Mine Road 902 Comment
  CAS-BOT-BC97283  Artemisia tridentata subsp. parishii John Thomas Howell 1950-11-9 27484 Los Angeles 3 miles S.W. of Newhall Comment
  LA210517  Artemisia tridentata subsp. parishii Norman C. Cooper; 1943-11-21 984 Los Angeles Mint Canyon, W of Ranger Station. 761 Comment
  RSA246582  Arthrocnemum subterminale F. R. Fosberg 1931-5-17 S 4886 Los Angeles Little Harbor, Santa Catalina Island. 1 Comment
  RSA592442  Arundo donax L. C. Wheeler 1967-5-13 9501 Los Angeles San Gabriel Mountains. On mesa between Little Dalton and Englewild canyons. 373 Comment
  CHSC21883  Asclepias californica Robert A. Schlising 1972-6-1 3039 Los Angeles West of Palmdale along Bouquet Canyon Road and 3.7 mi E of jct with Spunkey Canyon Road and Bouquet Reservoir. Comment
  POM175440  Asclepias californica Joseph A. Ewan 1930-6-24 2641 Los Angeles Crystal Lake, N. Fork San Gabriel R. 1706 Comment
  RSA0040205  Asclepias californica Orlando Mistretta 1992-5-16 4 Los Angeles Vicinity of Big Pines; head of Swarthout Valley; Mountain High Ski area Comment
  JEPS26573  Asclepias vestita Peter Kamb 1948-5-6 959 b Los Angeles desert foothills of the San Gabriel Mts above Little Rock 975 Comment
Read comments
Aug 15 2013
  SBBG51637  Asclepias vestita R. Gustafson, C. Davidson 1977-4-20 418 Los Angeles Fort Tejon Rd, S of Littlerock, ca. 1.5 mi E of jct with 82nd St 975 Comment
  UCR280743  Asclepias vestita R. G. Swinney 2014-4-23 16163 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains 1256 Comment
  RSA401115  Asclepias vestita Gale Sphon 1959-4-25 314 Los Angeles sandy soil along the road 3 mi. south of Pearblosom Highway on Avenue 178. Comment
  CATA3474  Asparagus asparagoides Michael Thomas, Benjamin Dion, Nathalie Cartan 2017-9-18 001 Los Angeles Santa Catalina Island: Interior; under cedar tree downslope (west) of the Fox Hospital in Quail Valley 168 Comment
  RSA0040540  Aspidotis californica Orlando Mistretta 1990-4-15 s.n. Los Angeles Fish Canyon, tributary to the San Gabriel River 336 Comment
  UCR91467  Aspidotis californica Scott D. White 1995-2-7 2538 Los Angeles San Gabriel Mtns., San Dimas Canyon Rd above San Dimas Reservoir. 457 Comment
  RSA279049  Aspidotis californica R. F. Thorne 1971-4-23 41470 Los Angeles Angeles National Forest; NE of Chantry Flats along Santa Anita Creek 549 Comment
  RSA85557  Aspidotis californica F. W. Peirson 1919-11-30 1525 Los Angeles South base of San Gabriel Mnts., Middle Eaton Canyon. 610 Comment
  CAS-BOT-BC68751  Asplenium vespertinum George L. Moxley 1920-11-28 871 Los Angeles San Gabriel Canyon Comment
  CAS-BOT-BC27329  Aster greatae L. A. Greata 1900-9-1 s.n. Los Angeles Pasadena 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
  UCR190752  Astragalus bicristatus R. G. Swinney 1999-7-5 7509 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
  CAS-BOT-BC180500  Astragalus brauntonii Ernest Braunton 1907-5-7 1281 Los Angeles Sherman Comment
  UCR239014  Astragalus didymocarpus var. dispermus Anuja Parikh, Nathan Gale 2010-6-9 3271 Los Angeles Western Transverse Range; East Liebre Mountains, Sierra Pelona, northwest of Vincent and Soledad Pass, 3.0 km northwest of State Hwy 14, under powerlines 1125 Comment
  CAS-BOT-BC178346  Astragalus gambelianus Geo. B. Grant 1904-5-23 75 a Los Angeles Saugus Comment
  RSA593191  Astragalus gambelianus L. C. Wheeler 1967-5-8 9301 Los Angeles San Gabriel Mts [Liebre Mtns]: foothills NW of Saugus 396 Comment
  PASA2733  Astragalus layneae M. Stason, F. Brubaker 1930-5-18 215 Los Angeles Lovejoy Buttes, Mohave Desert Comment
  UCR142895  Astragalus miguelensis M. B. Dunkle 1939-4-5 7267 Los Angeles Channel Islands, San Clemente Island, China Point 30 Comment
  CAS-BOT-BC186461  Astragalus nevinii J. Von Loh 1978-1-3 3286 Los Angeles San Clemente Island 365 Comment
  SD249202  Astragalus nevinii Michael G. Simpson, Adrienne Russell, et al. 2000-7-19 2185 Los Angeles San Clemente Island, ca. 0.1 mile southwest from the end of road that runs south from Eel Point. 27 Comment
  RSA772384  Astragalus pachypus R. G. Swinney 2009-5-12 10755 Los Angeles Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge 1435 Comment
  CATA2021  Astragalus trichopodus var. lonchus Steven A. Junak, Mark Hoefs, Keri Kirkland 1998-4-5 547 Los Angeles Santa Catalina Island: Just N of road to Toyon Bay, 1.1 road miles from intersection with Airport Road 316 Comment
  RSA415741  Astragalus trichopodus var. lonchus I. M. Johnston 1917-4-11 965 Los Angeles N*r Slough. [locality name change to Laguna Dominguez] Comment
  SEINET3371879  Astragalus trichopodus var. lonchus G. Rink 2011-6-3 10589 Los Angeles Hills east of Diamond Bar 244 Comment
  CATA3044  Athysanus pusillus Amy Catalano 2016-3-22 053 Los Angeles Santa Catalina Island: North of end of first Old Hunting Road along Empire Landing Road between Airport Road and Sheep Chute Road, on east side of ridge 354 Comment
  SD52410  Athysanus pusillus Benjamin C. Stone 1953-3-16 298 Los Angeles San Jose-Puente Hills, south of Pomona on the Brea Canyon Road. 245 Comment
  UC624992  Atriplex californica F. R. Fosberg 1931-4-29 S 4710 Los Angeles mouth Cottonwood Canyon (cliffs, Santa Catalina Island); Santa Catalina Island, mouth Cottonwood Canyon 5 Comment
  RSA341622  Atriplex californica F. C. Boutin 1967-4-24 1720 Los Angeles San Clemente Island: E side of island, Wilson Cove. Comment
  RSA620016  Atriplex canescens LeRoy Gross 1998-11-1 99 Los Angeles Southern base San Gabriel Mtns.: Big Tujunga wash. East of 210 freeway, city of Sunland. 365 Comment
  CAS-BOT-BC168281  Atriplex canescens var. canescens Ernest Braunton 1903-9-1 906 Los Angeles Glendale to Burbank Comment
  RSA586651  Atriplex canescens var. canescens Orlando Mistretta 1995-6-1 1754 Los Angeles San Gabriel Mountains, Carr Canyon, near mouth of Canyon. 945 Comment
  RSA711442  Atriplex confertifolia LeRoy Gross 2005-5-19 2307 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
  UCR167219  Atriplex confertifolia S. J. Myers 2005-5-11 s.n. Los Angeles Western Mojave Desert, NE of Lancaster, SW of the intersection of Avenue H and 10th Street, 120 acre area near landing strip 720 Comment
  POM246555  Atriplex coulteri F. R. Fosberg 1931-4-16 S 4648 Los Angeles Bulrush Ridge, Santa Catalina Island. 210 Comment
  SEINET4135199  Atriplex lentiformis Steve Boyd, Valerie Soza; Victoria Jotikasthira; L. Raz 1996-7-11 8908 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to power plant, just north of upper end of Castaic Lake.; 0 469 Comment
  POM158313  Atriplex leucophylla M. B. Dunkle 1928-4-29 1893 Los Angeles Little Harbor. 5 Comment
  RSA65376  Atriplex rosea L. C. Wheeler 1932-9-5 10479 Los Angeles San Antonio Canyon 1066 Comment
  RSA596177  Atriplex rosea L. C. Wheeler 1946-8-28 6294 Los Angeles San Gabriel Mountains. Caldwell Lake. 1569 Comment
  POM122828  Atriplex semibaccata Marcus E. Jones 1926-9-9 s.n. Los Angeles San Clemente Island. Comment
  UCR95274  Atriplex serenana L. C. Wheeler 1970-8-31 s.n. Los Angeles Corner of 18th and Georgia St. Comment
  UCR259908  Avena barbata R. G. Swinney 2010-3-18 11990 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
  UCR271756  Avena barbata R. G. Swinney 2011-3-26 14232 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  RSA155834  Azolla filiculoides Peter H. Raven 1962-5-22 17853 Los Angeles Santa Catalina Island. Hillside near stream about 1 mile below Middle Ranch. Comment
  SFV12662  Baccharis pilularis M. H. Grayum, D. L. Koutnik 1977-11-25 897 Los Angeles San Gabriel Mountains Roadfill along Placerita Canyon Road. 572 Comment
  POM350359  Baccharis salicifolia Howard Mullins 1931-3-7 s.n. Los Angeles one mile above Switzer's landing Comment
  RSA589975  Baccharis salicifolia Orlando Mistretta 1994-3-30 950 Los Angeles San Gabriel Mountains. Little Rock Creek. slopes E Creek below dam. 960 Comment
  RSA719501  Baccharis salicifolia Gary Kovnat, LeRoy Gross 2005-1-30 55 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. Comment
  SFV3746  Baccharis salicifolia P. M. Kennamer 1959-3-25 110 Los Angeles Santa Monica Mountains 2.9 miles west of Beverly Glen on Mullholland Drive. 396 Comment
  UCR269596  Baccharis salicifolia R. G. Swinney 2011-6-29 15368 Los Angeles San Gabriel Mountains, Mill Creek, from 50 to 300 meters downstream (south) from Monte Cristo Campground 1082 Comment
  UC472188  Baccharis salicifolia subsp. salicifolia C. F. Millspaugh 1920-1-2 4507 Los Angeles Avalon Santa Catalina Island Comment
  UCR180382  Baccharis salicina Scott D. White, Andrea Warniment 2006-7-6 11604 Los Angeles SE Tehachapi Mtns, Gorman area, sag ponds and adjacent slopes just N of Gorman Post Road 1143 Comment
  RSA435912  Berberis nevinii Anstruther Davidson 1893-5-1 s.n. Los Angeles San Fernando Comment
  UCR205626  Berberis nevinii A. C. Sanders, T. B. Salvato 2009-5-21 36892 Los Angeles San Gabriel Valley, Whittier Narrows near South El Monte, north of San Gabriel River channel and SE of Durfee Ave., west half of Whittier Narrows Nature Center along SCE powerlines 70 Comment
  CHSC98079  Beta vulgaris A. C. Sanders; Mark Elvin 2003-8-7 27158 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom east of Del Valle. Riparian forest, bordered by agricultural fields on alluvial slopes to the north. 282 Comment
  UC53984  Bidens laevis H. P. Chandler 1902-9-9 2079 Los Angeles Ballona Marshes Comment
  RSA0049480  Bidens pilosa Richard G. Swinney 2010-8-16 13518 Los Angeles San Gabriel Mountains: Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  UCR219406  Bidens pilosa R. G. Swinney 2009-4-1 10236 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Canyon, Monrovia Mountain Park 415 Comment
  UCR282229  Blitum californicum Dan S. Cooper 2016-4-25 416- 31 Los Angeles Los Angeles, Griffith Park, Vermont Canyon 311 Comment
  CHSC4742  Bloomeria crocea M. MacArthur 1967-6-24 57 Los Angeles 0.7 mi from turn-off on Angeles Crest Hwy. To lower Chilao keeping always to right - - left side of rd. Angeles National Forest, San Gabriel. 1584 Comment
  RSA652655  Bloomeria crocea R. S. Woglum 1930-4-28 2439 Los Angeles Glendora. Hills South toward San Dimas. Comment
  UCR192923  Bloomeria crocea Dan S. Cooper 2008-5-4 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, Western Canyon Road beyond end of Green Oak Dr., Los Angeles 260 Comment
  SEINET12049471  Bloomeria crocea B. C. Templeton 1930-1 1465 Los Angeles Mulhalland Drive, Santa Monica Mts 300 Comment
  CAS-BOT-BC482061  Bloomeria crocea var. crocea George B. Grant; Walter Wheeler 1904-4-21 5172 Los Angeles Santa Catalina Island, Pacific Ocean; off southern California Comment
  RSA585153  Boechera Timothy S. Ross, S. D. Boyd 1990-5-31 2734 Los Angeles Ridge descending northward from Mt Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  RSA611105  Boechera californica L. C. Wheeler 1970-6-28 s.n. Los Angeles Little Fish Fork, Fish Fork Camp 2011 Comment
  UC1605494  Boechera californica Tim Ross and Steve Boyd 1991-4-25 4603 Los Angeles lower Graveyard Canyon San Gabriel Mtns, Glendora 7.5' USGS Quadrangle ((which joins the lower E Fk of the San Gabriel River at ca 1540 ft elev.)) 512 Comment
  JEPS53182  Boechera sparsiflora Frank W. Peirson 1918-5-19 62 Los Angeles Echo Mountain San Gabriel Mts. 1036 Comment
  SEINET13382504 Image available Boechera sparsiflora R. G. Swinney 2011-1 14917 Los Angeles Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1096 Comment
  UCR205190  Boechera xylopoda R. G. Swinney 2008-5-2 8731 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  RSA730293  Boschniakia strobilacea R. G. Swinney 1998-8-27 6812 Los Angeles San Gabriel mtns.: gentle slope between Big Horn Ridge and ridge immediately north 2646 Comment
  CATA1793  Bothriochloa barbinodis Benjamin E. Carter, Tony Summers 2012-8-16 6977 Los Angeles Santa Catalina Island: Below Lasso Loop, between Ben Weston Point and China Point 40 Comment
  CATA568  Bothriochloa barbinodis Mark L. Hoefs, Robert F. Thorne 1975-8-8 836 Los Angeles Santa Catalina Island: By road above Pebbly Beach 152 Comment
  OBI69364  Bothriochloa barbinodis John Knapp, Denise Knapp 2002-11-27 23 Los Angeles Santa Catalina Island 76 Comment
  UC1952546  Bowlesia incana Reid Moran 1941-2-17 576 Los Angeles Middle Ranch, San Clemente Island. Comment
  RSA733663  Boykinia rotundifolia R. G. Swinney 1998-7-24 6568 Los Angeles San Gabriel Mtns.: Upper Fish Fork of San Gabriel River. 1585 Comment
  UCR187001  Brassica geniculata A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32227 Los Angeles Tehachapi Mtns. Foothills, near Oso Pumping Plant on the California Aqueduct, just below the Kern Co. line along the road to the pumping plant 939 Comment
  UCR223522  Brassica geniculata R. G. Swinney 2009-6-17 11226 Los Angeles Transverse Range; San Gabriel Mtns., Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  UCR260620  Brassica geniculata R. G. Swinney 2010-6-21 13296 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  UC894168  Brickellia californica Ezra C. Knopf 195 Los Angeles Santa Catalina Island Comment
  POM4594  Brickellia nevinii C. F. Baker 1903-10-10 3731 Los Angeles San Antonio Canon [canyon] near Claremont. Comment
  UCD129641  Brickellia nevinii P. Schiffman; J. Matos 1996-10-22 s.n. Los Angeles Angeles National Forest, roadcut along the old Ridge Route between Castaic Lake and Hwy 138. Comment
  RSA717302  Bromus arenarius Scott D. White, Pam DeVries 2006-5-9 11408 Los Angeles Gorman area, valley & slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  UCR51075  Bromus arizonicus A. C. Sanders 1988-3-17 7732 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
  SEINET901459  Bromus arizonicus G. B. Grant 5 117 Los Angeles Pasadena Comment
  LA18863  Bromus berteroanus Carl Epling; 1931-1 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  SD186028  Bromus carinatus A. C. Sanders, Mark A. Elvin 2003-4-16 26044 Los Angeles Newhall Ranch, near confluence of Castaic Creek and Hasley Canyon 305 Comment
  UCR152457  Bromus carinatus A. C. Sanders, Lee Jones 2005-4-8 29322 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  RSA188517  Bromus carinatus var. carinatus R. F. Thorne, John Olmstead 1965-8-26 35386 Los Angeles San Gabriel Mountains 2011 Comment
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Jun 16 2015
  RSA385305  Bromus carinatus var. carinatus George R. Johnstone 1930-6-26 14666 Los Angeles Pine Flats 1677 Comment
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Jan 13 2015
  POM363428  Bromus catharticus Anstruther Davidson 1917-04 3224 Los Angeles E. Los Angeles. Comment
  UC1584716  Bromus catharticus Tim Ross, Annette Ross 1991-6-3 5546 Los Angeles Elephant Hill, West Pomona Elephant Hill; , West Pomona 274 Comment
  CAS-BOT-BC156112  Bromus diandrus Peter H. Raven 1959-6-1 15417 Los Angeles Latigo Canyon. Santa Monica Mountains. 91 Comment
  CATA763  Bromus diandrus Mark L. Hoefs 1991-5-28 1302 Los Angeles Santa Catalina Island: At Black Jack Campground 490 Comment
  RSA656418  Bromus diandrus Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 674 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, at La Tuna Canyon Road. SSW of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 518 Comment
  UC589653  Bromus diandrus Nell Murbarger April 1936 129 Los Angeles San Clemente Island Comment
  UCR259907  Bromus diandrus R. G. Swinney 2010-3-18 11989 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
  UCSB30469  Bromus diandrus Jorgen, R. 1975-5-11 Los Angeles Intersection of Ave U-8 and CA Hwy 138, 2.0 mi E of Littlerock 975 Comment
  LA105111  Bromus diandrus Barry A. Prigge; 1988-7-9 8256 Los Angeles Santa Monica Mountains, Calabasas, 900 ft ESE of N-Junction of Mulholland Hwy and Old Topanga Rd, S of Calabasas High School 374 Comment
  RSA550417  Bromus grandis Timothy S. Ross 1992-7-10 6671 Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater Canyon & Wickiup Canyon. 967 Comment
  POM20731  Bromus hordeaceus P. A. Munz 1923-4-9 6654 Los Angeles Wilson's Cove, San Clemente Island. Comment
  RSA0116802  Bromus hordeaceus Richard G. Swinney 2010-5-25 12936 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA0091873  Bromus madritensis Steven A. Junak 2001-5-18 SCa- 1531 Los Angeles Santa Catalina Island. Avalon Canyon, at Wrigley Memorial Garden. Comment
  CATA702  Bromus madritensis subsp. rubens Mark L. Hoefs 1995-5-10 1199 Los Angeles Santa Catalina Island: Avalon Canyon, near #7 tee of golf course and horse trail 97 Comment
  UC1551925  Bromus madritensis subsp. rubens David Charlton 1988-4-2 h Los Angeles Cleghorn Road Turnoff on Cajon Pass, I 15, Swarthout Valley Road to end of pavement Cajon Pass; , Cleghorn Road Turnoff, Swarthout Valley Road 1524 Comment
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Feb 4 2015
  CAS-BOT-BC161863  Bromus rubens L. R. Abrams 1927-4-30 11745 Los Angeles Antelope Valley between Fairmont and Neenach. Comment
  LA13824  Bromus rubens Carl Epling; May 1925 sn Los Angeles Arroyo Seco Comment
  SEINET3923275  Bromus rubens Louis C. Wheeler 1967-5-29 9766 Los Angeles San Gabriel Mountains; San Antonio Canyon, southwest of Spring Hill. Between Dry Lake Canyonand Wildcat Canyon.; 0 884 Comment
  UCR223663  Bromus rubens R. G. Swinney 2009-6-12 11129 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  RSA713150  Cakile maritima A. C. Sanders, Lee Jones 2005-4-8 29369 Los Angeles South Coast: Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente. 2 Comment
  CAS-BOT-BC36965  Cakile maritima var. maritima Steven A. Junak 1996-5-31 SCI- 563 Los Angeles San Clemente Island. North end of island, behind (junt inland from) West Cove. 6 Comment
  RSA466550  Calandrinia ciliata T. S. Clare 1930-4-7 s.n. Los Angeles Sandberg. Comment
  RSA659744  Calandrinia ciliata Orlando Mistretta, Elizabeth Kellogg, Laurel Arnseth, Peter L. Morrell 1992-4-3 64 Los Angeles San Clemente Island. Comment
  RSA235309  Calandrinia maritima M. A. Piehl 1963-12-7 631048 Los Angeles San Clemente Island: across SE tip from Pyramid Head 22 Comment
  NY465059  Callitriche marginata H. E. Hasse 1890-3-18 4795 Los Angeles Near Santa Monica Comment
  SEINET222398  Calocedrus decurrens L. M. Shultz 1981-4-11 4916 Los Angeles Rancho Santa Ana Botanic Garden Claremont 305 Comment
  LA22337  Calochortus catalinae Carl Epling; 1926-5-8 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
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Apr 22 2014
  UC1348967  Calochortus catalinae Robert F. Thorne 1966-4-4 35780 Los Angeles ne of Isthmus Cove; Santa Catalina Island, Blue Cavern Point 30 Comment
  UC843641  Calochortus catalinae Ezra C. Knopf 1921-5-15 107 Los Angeles Pebble Beach Road Santa Catalina Island Comment
  RSA0113509  Calochortus catalinae Lyman Benson 1949-4-29 13599 Los Angeles Hills 4 miles southwest of Pomona. Mt. Range: Puente Hills. 304 Comment
  IRVC27979  Calochortus clavatus A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26132 Los Angeles Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam Western San Gabriel Mtns. 488 Comment
  UCR126697  Calochortus clavatus A. C. Sanders, Andy Thomson 2003-4-15 25991 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1000 ft. south of Magic Mountain theme park 396 Comment
  CAS-BOT-BC132341  Calochortus clavatus Gale Sphon 1959-5-9 329 Los Angeles 1.7 miles northeast of Soledad Canyon turnoff on Highway 6, Mint Canyon Comment
  UCD139495  Calochortus clavatus Kenneth A. Wilson 1961-4-22 1153 Los Angeles Soledad Canyon. Small burnt over canyon adjacent to Bee Canyon, north of River's End Ranch. Comment
  SBBG122015  Calochortus clavatus var. gracilis A. Parikh, N. Gale 2003-5-28 748 Los Angeles Bee Cyn just N of Soledad Cyn Rd, 0.3 km NE of confluence of Bee Cyn and Santa Clara River; SE Liebre Mtns 570 Comment
  RSA525177  Calochortus invenustus Walter Wisura, W. Steinmetz 1990-6-16 4449 Los Angeles At Messenger Flat campground. Comment
  RSA249804  Calochortus kennedyi var. kennedyi Robert F. Thorne 1973-5-11 43458 Los Angeles Mojave Desert Slope: 1/4-1/2 mile N of Bobs Gap, N slope of Holcomb Ridge, ca. 2 1/2 miles due S of Llano. 1159 Comment
  SEINET3992041  Calochortus plummerae Ira W. Clokey, B. Templeton 1929-6-1 4579 Los Angeles Mandeville Canyon, Santa Monica Mountains 350 Comment
  UC648378  Calochortus plummerae Marion Ownbey and Ruth P. Ownbey 1938-6-27 1666 Los Angeles mouth of Los Alisos Canyon Santa Monica Mts., Los Alisos Canyon Comment
  CAS-BOT-BC493412  Calochortus splendens Williams; Street; Munz 1919-5-3 2625 Los Angeles Santa Ana River Canon Comment
  RSA377442  Calochortus striatus Anstruther Davidson 1893-5-10 s.n. Los Angeles Lancaster. Comment
  JEPS61757 Image available Calochortus venustus Frank W. Peirson 1920-5-16 2146 Los Angeles Tujunga San Gabriel Mts. 457 Comment
  UCR238104  Calochortus weedii var. vestus Mark A. Elvin, Cathleen Weigand 2003-5-22 2897 Los Angeles Western Transverse Range; Santa Susana Mtns., crest of mountains at head of Salt Canyon, Newhall Ranch 915 Comment
  UCR209047  Calystegia macrostegia Dan S. Cooper 2009-3-24 s.n. Los Angeles Santa Monica Mountains, Beverly Hills, near upper end of Laurel Way in lower Franklin Canyon 235 Comment
  CAS-BOT-BC224320  Calystegia macrostegia subsp. amplissima Reid Moran 1941-2-19 593 Los Angeles Middle Ranch, San Clemente Island Comment
  LA99487  Calystegia macrostegia subsp. cyclostegia Hisao P. Arai; 1957-5-7 sn Los Angeles Faculty Hill U.C.L.A. Campus Comment
  OBI35684  Calystegia macrostegia subsp. cyclostegia Rebecca Cicoria 1982-4-25 40 Los Angeles Palos Verdes Peninsula: Lower Sepulveda Canyon, along Sis' Trl, rolling hills Comment
  UC1922228  Calystegia macrostegia subsp. intermedia Valerie L. Soza, Laura Moore 2000-5-10 856 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines to peak ''1936''. Near 34deg 14' 28.7'' N 118deg 17' 59.5'' W T2N R14W NE/4, SW/4 & NW/4, Comment
  UCR195262  Calystegia macrostegia subsp. intermedia Valerie Soza, Mariam Sidibeh 2003-3-26 1602 A Los Angeles Transverse Ranges; San Gabriel Mountains region, Verdugo Mountains, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. Haines Canyon Park vicinity, SSW of Dorothy and Estepa Drive intersection 549 Comment
  POM244873  Calystegia macrostegia subsp. macrostegia F. R. Fosberg 1931-5-2 S- 4736 Los Angeles Middle Ranch Dam, Middle Ranch Canyon, Santa Catalina island. 200 Comment
  SD107808  Calystegia macrostegia subsp. macrostegia Larry DeBuhr, Gary Wallace 1972-9-2 694 Los Angeles San Clemente Island; below barracks area in small canyon at Wilson Cove. Comment
  UCR213968  Calystegia malacophylla subsp. malacophylla Dave Silverman, Cindy Hopkins 2007-4-24 6737 Los Angeles Tejon Ranch, 800 m E of National Cement plant, 1.9 km NW of Oso Pump Plant-CA Aqueduct, and 135 m S of the county line 991 Comment
  SEINET8495306  Calystegia peirsonii D. W. Taylor 2002-5-1 18028 Los Angeles Sierra Pelona, hillslopes flanking Anaverde Valley (4 air miles SW of Palmdale), under electrical transmission lines. Ritter Ridge 7.5' USGS quadrangle 1067 Comment
  LA200378  Calystegia soldanella Norman A. Cole; May 1964 342 Los Angeles Santa Monica Mountains, Point Mugu Beach, No. 10 0 Comment
  RSA715199  Camissonia Gary D. Wallace, M. Wallace, Z. Wallace 1982-4-24 1932 Los Angeles West of Palmdale, south end of Munz Ranch road. Comment
  IRVC29099  Camissonia boothii A. C. Sanders 2003-6-20 26994 Los Angeles "Off-haul Canyon" between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and ca. 1 km NNW of Mayo Spur, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 305 Comment
  RSA670671  Camissonia californica I. W. Clokey, Bonnie C. Templeton 1929-04 4459 Los Angeles Mandeville Canyon, Santa Monica Mountains. 200 Comment
  UCR132345  Camissonia californica John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three 427 Comment
  RSA562802  Camissonia californica D. Charlton 1990-4-7 4198 Los Angeles Kentucky Springs, Sierra Highway S of Palmdale, foothills of San Gabriel Mountains. 701 Comment
  UC440392  Camissonia campestris subsp. campestris Carl Epling, Lincoln Ellison, and Harvey Anderson 1930-4-17 Los Angeles Lancaster Mohave Desert Comment
  RSA659815  Camissonia cheiranthifolia Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-4 110 Los Angeles San Clemente Island. Comment
  POM7563  Camissonia cheiranthifolia subsp. suffruticosa Louise Kendall 1920-3-28 12 Los Angeles Seal Beach Comment
  RSA598936  Camissonia graciliflora Steve Boyd, T. S. Ross 1997-3-21 9195 A Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  RSA449225  Camissonia ignota Wm. Martin 1972-4-1 s.n. Los Angeles Gold Creek, Little Tujunga. Comment
  RSA724761  Camissonia intermedia K. Dobry 1991-5-22 d- 664 Los Angeles Soka University NE section. Santa Monica Mts. 1 mi East of Las Virgenes Rd off Muholland Hwy. Comment
  POM49677  Camissonia lewisii L. R. Abrams 1901-4-1 1192 Los Angeles Ballona Harbor. Comment
  UCR157720  Camissonia pallida Ed LaRue, R. Montijo 1991-4-2 91- 02 Los Angeles Western Mojave Desert, Palmdale: property bounded on north by Avenue 'M' on the west by 20th St. West, on the south by Ave. 'N', and on the east by 10th St. West 793 Comment
  RSA655788  Camissonia strigulosa James Henrickson 2000-4-21 20717 Los Angeles Ca. 17 mi W of State Hwy 14, along Hwy 138 near 14348 W. Avenue D. at a site for a Sprint monopole. 854 Comment
  SEINET2054746  Camissonia strigulosa George K. Helmkamp, E. A. Helmkamp 1998-5-21 4041 Los Angeles Western Mojave Desert; Junction of Munz Ranch Rd and Lake Elizabeth Rd N of Lake Elizabeth. 1097 Comment
  UCR160088  Camissonia strigulosa L. C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mtns., N of Mill Canyon off Soledad Canyon, near Ravenna 716 Comment
  RSA0110196  Camissoniopsis Richard G. Swinney 2011-5-16 14722 Los Angeles San Gabriel Mountains: Camp Colby (C. Ranch), upper Coldwater Cyn., 150 m south of lodge in center of camp, 1.18 miles at 73 degrees SSE of jct. of Colby Ranch Rd. and FS Rd 3N19 in Big Tujunga Cyn. 1122 Comment
  JEPS31672  Camissoniopsis bistorta C. E. Hutchinson 1892-6-4 Los Angeles San Gabriel Canyon San Gabriel Mts. 487 Comment
  SDSU3344  Camissoniopsis cheiranthifolia subsp. suffruticosa H. Wedberg 1957-11-22 53 Los Angeles At north end of the Silver Strand, on Coronado island, about 4.6 miles north from silver Strand State Park. 0 Comment
  CAS-BOT-BC160527  Camissoniopsis lewisii John H. Thomas 1957-4-27 6666 Los Angeles Pt. Dume, about 18 miles due west of Santa Monica 60 Comment
  SBBG61362  Camissoniopsis micrantha M. N. Ackley -Feb-1928 766 Los Angeles Eagle Rock 182 Comment
  UC10288  Capsella bursa-pastoris Jos. Burtt Davy 1901-3-1 Los Angeles Saugus Comment
  LA200316  Capsella bursa-pastoris A. M. Johnson; 1935-2-22 4549 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  CATA1721  Cardamine californica Mark L. Hoefs, Steven A. Junak, Janet Takara 2000-4-1 3067 Los Angeles Santa Catalina Island: Upper Cherry Valley, above main road 42 Comment
  UCR13469  Cardamine californica 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
  RSA802050  Carduus pycnocephalus Orlando Mistretta, Kristie Haydu 2011-7-20 5957 Los Angeles Grizzly Flat Road, N of Angeles Crest Hwy, 0.4 air miles W of Hoyt Mountain. 1168 Comment
  UCR260359  Carduus pycnocephalus R. G. Swinney 2010-4-30 12449 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Canyon Debris Basin in the southernmost of the two east forks of Wilson Canyon 537 Comment
  UCR280879  Carduus pycnocephalus R. G. Swinney 2014-5-15 16525 Los Angeles San Gabriel Mountains, Azusa Peak, 0.06 mile south of Glendora Ridge Motorway, 1.34 miles due east of Hwy. 39, 0.15 mile east of Garcia Trailhead 630 Comment
  UCR270662  Carex R. G. Swinney 2011-8-17 15637 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
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Sep 12 2018
  CAS-BOT-BC17678  Carex alma Timothy S. Ross; Steve Boyd 1994-5-24 7838 Los Angeles Liebre Mountains. Cottonwood Swamp: 515 Comment
  CAS-BOT-BC17688  Carex alma H. E. Hasse 1893-5-25 s.n. Los Angeles Near Acton. Comment
  RSA587452  Carex alma Orlando Mistretta 1995-4-11 1619 Los Angeles San Gabriel Mountains. Santiago canyon. Canyon and slopes draining W slopes of Santiago Canyon ca. 1 mi. SW of confluence with Little Rock Creek. 1098 Comment
  UCR190860  Carex alma R. G. Swinney 1999-7-28 7600 Los Angeles San Gabriel Mtns., East Fork San Gabriel River Canyon, just south of confluence of Clark Gulch 963 Comment
  UCR191280  Carex alma R. G. Swinney 1999-6-30 7481 Los Angeles San Gabriel Mtns., Grand View Canyon, c. 1.3 mi. north of Big Pines Hwy at All Nations Camp 1561 Comment
  SD181806  Carex bolanderi Valerie Soza, LeRoy Gross 2000-6-13 996 Los Angeles San Gabriel Mountains; Spring along Burkhart Trail from Buckhorn Flat to Cooper Canyon, ca. 0.8 mile along trail from Buckhorn Flat trailhead. 1844 Comment
  SEINET7559359 Image available Carex fracta Louis C. Wheeler 1967-8-2 10299 Los Angeles San Gabriel Mountains, Sheep Camp Spring, W slope Mt Pacifico. 1951 Comment
  RSA679893  Carex hassei LeRoy Gross 2003-6-7 1001 Los Angeles From Three Points (off Angeles Crest Highway) east to spring on the south side of Mt. Waterman, north end of the San Gabriel Wilderness area. 1951 Comment
  CAS-BOT-BC31096  Carex leavenworthii Wm. C. Draper 1949-5-27 s.n. Los Angeles 510 Fairview, Arcadia. Comment
  RSA88757  Carex praegracilis F. W. Peirson 1918-4-28 1624 Los Angeles Southeast of El Monte. Comment
  CAS-BOT-BC115914  Carex subfusca P. M. Kamb 1947-6-13 602 Los Angeles Summit of Mt. San Antonio, San Gabriel Mts. 3048 Comment
  CAS-BOT-BC115682  Carex texensis J. N. Giridlian 1951-4-2 s.n. Los Angeles Oakhurst Gardens, Arcadia. Comment
  RSA583073  Carex triquetra Timothy S. Ross 1993-4-22 6908 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); 885 m due N of Cactus Peak summit; northerly slope draining to middle Bullrush Canyon. 289 Comment
  CAS-BOT-BC115556  Carex tumulicola Peter H. Raven 1962-4-10 17239 Los Angeles In bed of stream in gully to W side of Island ca 1.5 mi N of Thirst. San Clemente Island 457 Comment
  RSA567777  Carpobrotus chilensis H. T. Beck 1992-2-5 1494 Los Angeles Malibu PC hwy, 0.72km N of Nicholas Beach. 2.7 km N jxn Hwy!, Decker Canyon. Comment
  RSA425860  Castilleja affinis Geo. C. Johnstone 1925-3-8 s.n. Los Angeles Catalina Island. 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
  RSA448685  Castilleja applegatei subsp. martinii Sam Tyson 1943-4-3 s.n. Los Angeles Big Dalton Canyon. Comment
  SBBG105498  Castilleja exserta F. R. Fosberg 1931-4-2 4453 Los Angeles divide between Hamilton and Descanso Cyns 150 Comment
  UCR187265  Castilleja exserta A. C. Sanders 2006-4-18 32098 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, c. 2 miles due north of the west end of Quail Lake 1037 Comment
  RSA400537  Castilleja foliolosa F. R. Fosberg 1931-4-7 S- 4499 Los Angeles Hamilton Beach, Santa Catalina Island. 10 Comment
  RSA400538  Castilleja foliolosa F. R. Fosberg 1931-3-18 S- 4292 Los Angeles Hamilton Canyon, Santa Catalina Island. 10 Comment
  UCD122548  Castilleja foliolosa A. C. Sanders 2005-5-11 30173 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, Plum Canyon along Plum Canyon Rd. between crest and vernal pool on bench in mid canyon, NW of Forest Park between Mint and Bouquet Cyns. 579 Comment
  RSA400558  Castilleja foliolosa Fordyce Griffiths Jr. 1910-5-5 s.n. Los Angeles Arroyo Seco near Pasadena 366 Comment
  RSA229203  Castilleja gleasoni Robert F. Thorne, C. W. Tilforth 1971-6-30 40769 Los Angeles Angeles National Forest: c. 0.3 mile below Alder Saddle along a dry branch of the S Fork of Little Rock Creek. 1616 Comment
  UCR150391  Castilleja linariifolia L. C. Wheeler 1946-8-27 6261 Los Angeles Transverse Ranges; San Gabriel Mtns, Sandrock Creek at Pearblossom Hwy, near confluence of Sandrock Creek and Big Rock Creek; 0.25 mi SE of Big Rock Patrol Station 1113 Comment
  RSA0035034  Castilleja martinii Carol Haines 1964-5-23 149 Los Angeles 1 mile from the beginning of Old Ridge Route. 426 Comment
  UCR178886  Castilleja martinii var. martinii R. G. Swinney 1989-5-3 s.n. Los Angeles San Gabriel Mtns., Glendora Regional Wilderness Park, Big Dalton Canyon, 1.4 mi. northeast of Glendora Mountain Road 442 Comment
  JEPS4832  Castilleja miniata Rimo Bacigalupi with G. T. Robbins and L. R. Heckard 1954-6-16 4212 Los Angeles near Paradise Trout Farm (Noal Berry's on maps) (sides of Big Rock Creek); Angeles National Forest, Big Rock Creek 1463 Comment
  UCR150046  Castilleja minor subsp. spiralis L. C. Wheeler 1967-9-4 10686 Los Angeles Transverse Ranges; San Gabriel Mountains, Ravine south of Camp Lupine, Prairie Fork 2043 Comment
  JEPS13639  Castilleja plagiotoma Peter Kamb 1948-5-6 943 Los Angeles above Little Rock (desert foothills of the San Gabriel Mts); San Gabriel Mts. 975 Comment
  RSA618785  Caulanthus cooperi 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
  UCR95380  Caulanthus coulteri var. coulteri Steve Boyd 1996-4-25 8719 Los Angeles Liebre Mtns., SW flank of Liebre Mtn., along Forest Service Rd. 7N22, c. 1.1 mi east of jct w/ 7N23. 1280 Comment
  CDA1009  Ceanothus arboreus D. G. Kelch 1991-3-17 1320 Los Angeles Santa Catalina Is.; 1.5 km N of Avalon. 0 Comment
  RSA0087385  Ceanothus crassifolius R. G. Swinney 2010-5-25 12974 Los Angeles 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. 659 Comment
  RSA398865  Ceanothus crassifolius Fay A. MacFadden 1931-3-16 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  RSA747045  Ceanothus crassifolius R. G. Swinney 2008-4-11 8664 Los Angeles San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  RSA786777  Ceanothus crassifolius Doris Bowers 1957-3-24 632 Los Angeles Millard's Canyon N/o Altadena 1220 Comment
  UC574965  Ceanothus crassifolius Carl Epling and R. Fowler Kneen April 1933 Los Angeles Boney Ridge Santa Monica Mts. Comment
  CAS-BOT-BC48882  Ceanothus cuneatus Carl B. Wolf 1941-7-1 10939 Los Angeles Lower end of Bouquet Canyon, 3 2/10 mi. above Saugus, or about 1/2 mi. above crossing of aqueduct. 396 Comment
  UCD170931  Ceanothus greggii R. G. Swinney 2009-5-20 10821 Los Angeles Transverse Range; San Gabriel Mtns., Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge. 1433 Comment
  JEPS42305  Ceanothus greggii var. vestitus F. W. Peirson 1919-6-14 415 a Los Angeles san Gabriel Mts. 1371 Comment
  RSA0022364  Ceanothus integerrimus Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5118 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA122547  Ceanothus leucodermis A. D. Gifford 1935-5-8 672 Los Angeles 1.25 N.E. of Whitaker Pk. Comment
  RSA651857  Ceanothus leucodermis Dolores Perez 1981-5-3 35 Los Angeles Calif. Hwy 39, Crystal Lake Recreation Area. Roadside of lake bank. Comment
  RSA399102  Ceanothus megacarpus Bonnie C. Templeton 1931-3-29 s.n. Los Angeles Mandeville Canyon 200 Comment
  RSA508702  Ceanothus megacarpus var. insularis Mark Parratt 1965-1-25 640 Los Angeles Santa Catalina Island Comment
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Feb 9 2017
  RSA399724  Ceanothus oliganthus Geo. L. Moxley 1917-4-2 1826 Los Angeles Aliso Canyon, near Chatsworth. Comment
  RSA656269  Ceanothus oliganthus Bill McKinley 1976-4-18 5 Los Angeles Verdugo Mountains: 10 yards west of intersection of Fire Roads 890 yards up Beaudry Fire Road west of Beaudry Blvd., vicinity Oakmont Country Club, Glendale. 402 Comment
  SBBG119456  Ceanothus oliganthus var. oliganthus A. C. Sanders with M. A. Elvin 2003-6-18 26945 Los Angeles NW of head of Sulphur Cyn 1037 Comment
  UC1071208  Ceanothus palmeri A. D. Gifford 1935-3-20 497 Los Angeles Top of Sawmill Mtn East End Angeles National Forest, Tejon Quad. Comment
  RSA599198  Ceanothus spinosus Scott D. White 1997-3-12 4763 Los Angeles NW of Zuma Beach. Encinal Cny Rd between P.C.H. and Mulholland Hwy. [range:] 34 3-6 N, 118 49'-53' W. 305 Comment
  RSA77488  Ceanothus spinosus F. W. Peirson 1921-2-26 733 Los Angeles Topanga Canyon Road, west end of San Gabriel Mts. Near summit of ridge, north slope 457 Comment
  RSA0028430  Ceanothus spinosus N. C. Cooper 1949-6-18 4194 Los Angeles Mt. Baldy Resorts 1829 Comment
  UCR258808  Centaurea melitensis R. G. Swinney 2010-5-25 12979 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
  LA31698  Centaurea melitensis Henry J. Thompson; 1959-5-24 1991 Los Angeles Santa Monica Mountains, Tuna Canyon, 0.7 mi N of Coast Hwy 91 Comment
  UCR161634  Centaurea repens Mike Misenhelter 2005-10-5 s.n. Los Angeles Los Angeles Basin, Carson, old landfill site SE of intersection of 110 (Harbor) and 405 (San Diego) freeways, west side of Dominguez Channel and 405, east of Main St. 12 Comment
  SBBG39581  Centranthus ruber E. R. Blakley 1963-4-9 5565 Los Angeles hillside above Pebbly Beach along Terrace Drive 106 Comment
  UCR273190  Cerastium glomeratum R. G. Swinney 2011-4-26 14475 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
  RSA762300  Cerastium glomeratum Orlando Mistretta, Christine Mistretta 2008-5-5 2652 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon. 627 Comment
  SEINET10874101  Ceratonia siliqua Jon Ricketson, Heidi H. Schmidt 1992-10-19 Ricketson 4764 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Gardens, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  SFV19323  Ceratophyllum demersum S. Kimball 2000-10-4 s. n. Los Angeles San Gabriel Mountains Castaic Lake. 460 Comment
  CHSC26363  Cercocarpus betuloides var. betuloides T. Ambrose 1966-4-23 64 Los Angeles 4 miles below Jackson Lake at Big Pines in the San Gabriel Mountains. 1219 Comment
  LA82108  Cercocarpus betuloides var. betuloides O. H. Kappler; 1941-3-15 130 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA598142  Cercocarpus betuloides var. betuloides Victor W. Steinmann, Tim S. Ross 1995-5-8 663 Los Angeles Liebre Mountains, along Bouquet Canyon Road, ca. 1 km (by air) ENE of the Bouquet Guard Station and adjacent to Bouquet Campground #3 725 Comment
  SFV20860  Cercocarpus betuloides var. betuloides L. Gross 2000-10-28 305 Los Angeles Verdugo Mountains Brand lateral trail behind the Brand Park Library, ridge west of Idlewood Canyon where Grandview Ave. and Mountain Street meet in city of Glendale. Following fire break up to main crest (to Beaudry fire road). West-facing side of ridge above reservoir. 488 Comment
  UC212304  Cercocarpus betuloides var. betuloides S. B. Parish 1916-3-27 10743 Los Angeles near Los Angeles (Summit of Laurel Canyon); Laurel Canyon 304 Comment
  CAS-BOT-BC137233  Cercocarpus betuloides var. blancheae James R. Shevock 1975-3-23 4097 Los Angeles On the north side of Orizaba Peak in the vicinity of Black Jack [Campgound] Campground, Santa Catalina Island 457 Comment
  CAS-BOT-BC137239  Cercocarpus betuloides var. blancheae Alice Eastwood 1917-7-20 6504 Los Angeles Santa Catalina Island Comment
  CATA3230  Cercocarpus betuloides var. blancheae Julie L. King 2017-1-17 41 Los Angeles Santa Catalina Island: West End Rd. between Howlands Landing & Cherry Valley, about 1.2 road miles north of entrance to Cherry Valley 56 Comment
  LA88758  Cercocarpus betuloides var. blancheae Karen Searcy; 1967-1-28 32 Los Angeles Santa Catalina Island, Pebbly Beach Canyon, Renton Mine Rd 304 Comment
  SBBG127966  Cercocarpus betuloides var. blancheae B. E. Carter, J. R. Clark 2012-8-9 6962 Los Angeles Bulrush Cyn, between reservoirs and Salta Verde turnoff 270 Comment
  UCR255812  Cercocarpus ledifolius R. G. Swinney 2010-9-23 13877 Los Angeles San Gabriel Mountains, summit of Middle Hawkins Peak on Hawkins Ridge 2593 Comment
  CAS-BOT-BC32718  Cercocarpus montanus var. traskiae Blanche Trask 1898-3-1 s.n. Los Angeles Santa Catalina Isl. Salta Verde. Comment
  UCR108667  Cestrum nocturnum L. C. Wheeler 1936-2-23 4079 Los Angeles San Gabriel: 217 S. Muscatel Avenue 107 Comment
  CAS-BOT-BC279515  Chaenactis artemisiifolia Carl Epling 1931-5-9 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon Comment
  LA200181  Chaenactis artemisiifolia W. O. Griesel; 1936-4-19 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  CAS-BOT-BC276922  Chaenactis fremontii A. C. Sanders; D. Malueg; K. D. Jones 1998-6-22 21995 Los Angeles San Gabriel Mountains: Soledad Pass area at N foot, ca 5 miles SW of Palmdale, along SCE Mesa-Vincent power line at pole 18-03, just S of Vincent Substation 1000 Comment
  RSA732932  Chaenactis glabriuscula R. G. Swinney 2000-5-21 7772 Los Angeles NE of Azusa, Rincon Canyon, c. 300 m SW of Rincon Rd. entrance and Hwy 39, on plateau W of Rincon Rd. 549 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
  SEINET7042261  Chaenactis glabriuscula A. G. Vestal 1938-7-3 s.n. Los Angeles Barley Flats, San Gabriel Mountains, Angeles National Forest. Chilao Flat quadrangle. UTM Zone 11, 401100mE, 379337mN. Ca 5000'. Comment
  CAS-BOT-BC277354  Chaenactis glabriuscula var. glabriuscula Geo. L. Moxley 1922-5-1 1098 Los Angeles Mint Canyon Comment
  CAS-BOT-BC277385  Chaenactis glabriuscula var. glabriuscula John H. Thomas 1957-4-27 6678 Los Angeles Pt. Dume, about 18 miles due west of Santa Monica 60 Comment
  RSA598104  Chaenactis glabriuscula var. glabriuscula Steve Boyd, Lauren Raz 1997-3-4 9151 B Los Angeles Liebre Mountains region, southern base of the Sierra Pelona Ridge, Crown Valley just northwest of Governor Mine, ca 0.8 mi north of Sierra Highway along Crown Valley Road, disturbed and graded area associated with high-tension power lines. 610 Comment
  UCR270460  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2011-5-12 14678 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
  CDA10722  Chaenactis glabriuscula var. glabriuscula G. D. Barbe, T. C. Fuller 1973-5-21 1387 Los Angeles 4 miles west of Four Points (Highway 138) on Pearblossom Highway at Small Road. Comment
  RSA590597  Chaenactis glabriuscula var. glabriuscula Timothy S. Ross, Walter Appleby 1993-5-20 7181 Los Angeles Western San Gabriel Mountains: vicinity of Wilson Canyon Saddle. 951 Comment
  RSA655799  Chaenactis glabriuscula var. glabriuscula James Henrickson 2000-4-15 20702 Los Angeles Ca. 1 mile SE of Newhall in Whitney Canyon SE of junction of San Fernando Road and State Highway 14. 457 Comment
  SD240848  Chaenactis xantiana R. G. Swinney 2009-4-28 10539 Los Angeles Transverse Range; San Gabriel Mountains: summit of Mt. Emma. 1584 Comment
  RSA709678  Chaenactis xantiana LeRoy Gross 2005-4-28 2171 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
  RSA724900  Chamaesyce K. Dobry 1991-6-28 d- 885 Los Angeles Santa Monica Mts. Las Virgenes Rd. & Mulholland Hwy. at Soka Univ., E. Section Comment
  SBBG131599  Chamaesyce S. A. Junak 1999-7-15 SCa 1038 Los Angeles N border of lower reservoir in Bulrush Cyn 304 Comment
  RSA443523  Chamaesyce maculata A. C. Sanders 1987-9-18 7382 Los Angeles El Segundo Dunes, W of L.A. International Airport and Pershing Drive. 38 Comment
  LA32296  Chamaesyce polycarpa var. polycarpa Peter H. Raven; 1959-5-3 14089 Los Angeles SANTA MONICA MOUNTAINS, Woodrow Wilson Dr, 1.6 mi W of Cahuenga Pass. 304 Comment
  RSA795202  Chamaesyce serpillifolia subsp. serpillifolia Jane Tirrell 2012-8-3 LS 0145 - Los Angeles South side California State Route 2, approx. 100 ft. east of turnout at mile marker 67.7. 2308 Comment
  SFV12566  Cheilanthes covillei M. H. Grayum, D. L. Koutnik 1977-11-25 887 Los Angeles San Gabriel Mountains Vasquez Rocks, near Agua Dulce. 732 Comment
  SFV14648  Cheilanthes covillei J. C. Dittes, C. Williams 1989-4-29 1 Los Angeles San Gabriel Mountains Upper Big Tujunga River (Wikiup), 0.25 miles downstream from bridge to Camp Colby. 915 Comment
  RSA776553  Chenopodium album Orlando Mistretta, Christine Mistretta 2010-6-14 5316 Los Angeles upper Big Tujunga canyon, 1.93 road miles E of junction with Angeles Forest Hwy. 1040 Comment
  RSA423404  Chenopodium ambrosioides Edwin Kline 1924-7-5 s.n. Los Angeles Near Inglewood. Comment
  RSA5208  Chenopodium ambrosioides C. B. Wolf 1932-9-13 4063 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
  CATA1651  Chenopodium berlandieri Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-6-13 2937 Los Angeles Santa Catalina Island: Behind Little Harbor 9 Comment
  CHSC98104  Chenopodium berlandieri LeRoy Gross; Michael Denslow, Bill Hogshead, S. Swartzentruber 2003-6-17 1041 Los Angeles Transverse Ranges; Verdugo Mountains region: South side of mountains: Brand Canyon, below the large waterfall, where the canyon forks off. 393 Comment
  SD197746  Chenopodium berlandieri A. C. Sanders, T. B. Salvato and Mitch Provance 2009-5-28 36999 Los Angeles San Gabriel Valley; San Gabriel River channel between Ramona Blvd. and Loweer Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte. 92 Comment
  UCR214601  Chenopodium berlandieri A. C. Sanders, Dan S. Cooper 2010-4-30 38122 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR276918  Chenopodium berlandieri R. G. Swinney 2011-3-29 14278 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
  POM264691  Chenopodium botrys L. C. Wheeler 1936-7-4 4213 Los Angeles 1 mile northeast of Glendora 304 Comment
  RSA133466  Chenopodium californicum P. H. Raven, H. J. Thompson 1959-4-3 13921 Los Angeles Just east of Malibu Junction. 265 Comment
  RSA167810  Chenopodium californicum R. F. Thorne, P. C. Everett 1964-2-7 33460 Los Angeles Weed at lower end of Pebbly Beach Canyon at base of building, E end of Santa Catalina Island. 76 Comment
  RSA249819  Chenopodium californicum R. F. Thorne, Gary D. Wallace 1973-4-25 43363 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1/4 mi N of Bob's Gap, 3.5 mi S of Llano, N slope of Holcomb Ridge. 1159 Comment
  SD185186  Chenopodium californicum A. C. Sanders 2005-5-11 30152 Los Angeles Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd. northwest of Forest Park between Mint and Bouquet Canyons. 609 Comment
  RSA527584  Chenopodium californicum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4361 Los Angeles San Clemente Island: E side of island, Bryce Cyn near Malo Point. Comment
  UC1971374  Chenopodium desiccatum Louis C. Wheeler 1973-8-2 s.n. Los Angeles SAN GABRIEL MOUNTAINS: Coulter Reservoir, Sunset Ridge. Comment
  RSA0060476  Chenopodium fremontii R. G. Swinney 2010-10-13 14033 Los Angeles Lily Spring, within 100 meters of main spring. 2454 Comment
  RSA729198  Chenopodium fremontii R. G. Swinney 1998-7-10 6373 Los Angeles Prairie Fork, near Cabin Flats Campground. Chaparral and riparian zone. 1591 Comment
  UCR113115  Chenopodium murale Scott D. White 1996-5-19 4053 Los Angeles City of Claremont: Geneva Ave, north of San Jose, south of Arrow Hwy, west of Indian Hill, east of Towne Street. 320 Comment
  RSA604690  Chenopodium pumilio L. C. Wheeler 1967-9-29 s.n. Los Angeles Ridge 1/2 mile WNW Pine Mountain. 1249 Comment
  UCR272526  Chenopodium strictum R. G. Swinney 2011-7-8 15469 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), lowest of 3 natural depressions at the N base of Strawberry Peak 1256 Comment
  CLARK-A1528-4571  Chloris gayana John C. Roos, Alfred R. Roos 1950-9-16 4987 Los Angeles Los Angeles 60 Comment
  RSA0065549  Chorizanthe parryi T. Sargent 1959-5-18 s.n. Los Angeles Rio Hondo Wash N. of Highway 99. Comment
  RSA392779  Chorizanthe parryi var. fernandina E. S. Spalding 1922-1 s.n. Los Angeles San Fernando, near the resevoir Comment
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Dec 23 2014
  RSA29723  Chorizanthe procumbens Louis C. Wheeler 1934-1 766 Los Angeles Thompson Creek Dam near Claremont 488 Comment
  RSA392670  Chorizanthe staticoides M. Bisbee 1917-5-12 70 Los Angeles Hills north side of Eagle Rock Valley Comment
  RSA732768  Chorizanthe staticoides R. G. Swinney 2000-6-25 7793 Los Angeles Lower San Antonio Canyon, c. 70 m west of San Antonio Canyon Rd. and 80 m south of Shinn Rd. 793 Comment
  RSA739747  Chorizanthe staticoides John Dittes 2006-6-5 1407 Los Angeles Transverse Ranges, San Gabriel Mtns, Peace Valley, E of Gorman Creek, 4.9 air miles NW of Pyramid Lake Dam, 6.7 air miles SE of Gorman, 0.6 air miles N of Confluence of Gorman Creek and creek passing out of Canada de Los Alamos;, east side of Interstate Hwy5, N and E of Little Bear Road exit. 896 Comment
  RSA589268  Chorizanthe watsonii Tim S. Ross 1991-4-28 4758 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 926 Comment
  RSA599769  Chorizanthe watsonii Steve Boyd, Dave Bramlet, Harry Spilman, Nancy Hanson, Susan Hobbs 1997-5-10 9788 Los Angeles Liebre Mountains region: Extreme northwestern corner of the range in Peace Valley, small side canyon just east of Interstate 5 off Copco Road. 951 Comment
  RSA593592  Chorizanthe xanti var. xanti Steve Boyd, Orlando Mistretta 1996-5-23 8832 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  SBBG62285  Chorizanthe xanti var. xanti R. Hoffmann 1929-5-19 Los Angeles 5 mi W of Castaic Comment
  SFV13220  Chrysolepis sempervirens W. M. Perry 1980-6-19 61 Los Angeles San Gabriel Mountains Mount Baldy. Comment
  SEINET7450594 Image available Chrysopsis sessiliflora I. W. Clokey, B. C. Templeton 1936-5-18 5666 Los Angeles San Gabriel Canyon, mile above dam. 400 Comment
  SBBG62933  Chrysothamnus viscidiflorus R. Hoffmann 1931-10-1 Los Angeles below Bob's Place, Mint Cyn Comment
  UCR277080  Cirsium occidentale R. G. Swinney 2011-6-7 15098 Los Angeles San Gabriel Mountains, summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory 1780 Comment
  RSA602443  Cirsium occidentale var. californicum Scott D. White 1997-5-8 5084 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir. 365 Comment
  CAS-BOT-BC285583  Cirsium occidentale var. occidentale Grant Apr 8 s.n. Los Angeles Avalon Comment
  UC187601  Cirsium occidentale var. occidentale Katharine Brandegee May 17 1916-May 25 1916 Los Angeles Santa Catalina Island Comment
  JEPS30413  Cirsium occidentale var. venustum Donald Kyhos 1958-6-20 58 -217 Los Angeles 0.75 m s Gorman (Highway 99) Comment
  RSA550682  Cirsium vulgare Timothy S. Ross, Annette Ross 1991-7-29 5725 Los Angeles Elephant Hill, N most point of the Puente Hills, W Pomona. 229 Comment
  SBBG108909  Cistanthe maritima S. A. Junak 1997-3-11 SCl 743 Los Angeles Sibara Ridge overlooking Pyramid Cove, ca. 0.25 mi S of Triangulation Pt Guds 164 Comment
  RSA588905  Cistanthe monandra Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-8 2945 Los Angeles Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats) 1250 Comment
  RSA597397  Cistanthe monandra Timothy S. Ross, Steve Boyd 1990-6-18 3501 Los Angeles Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages. San Gabriel Mountains. 1744 Comment
  RSA247428  Cistus ladanifer Jack Delaini 1974-5-9 197 Los Angeles a few plants scattered along S side of Johnstone Peak Rd. at head of canyon 853 Comment
  UCD104363  Clarkia bottae John Ingrum 1997-5-4 35 Los Angeles Santa Monica Mountains, Mulholland Dr., ca. 200m E of Tinidad Drive. Comment
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May 21 2014
  POM175583  Clarkia dudleyana E. Crow 1930-6-28 s.n. Los Angeles Bichota Canyon, San Gabriel Mountains. Comment
  POM68644  Clarkia dudleyana Marcus E. Jones 1924-5-16 s.n. Los Angeles Stoddard Canyon Comment
  UCD104854  Clarkia purpurea Esfan Hesari 1993-5-4 s.n. Los Angeles Newhall, Walker ranch. 750 Comment
  RSA3607  Clarkia purpurea subsp. quadrivulnera Carl B. Wolf 1932-5-13 3624 Los Angeles Santa Catalina Island; near largest reservoir 3.5 miles from Avalon (by road) on way to Isthmus 366 Comment
  SBBG60332  Clarkia purpurea subsp. quadrivulnera F. R. Fosberg 1932-5-7 8155 Los Angeles Hay Press [Haypress] 220 Comment
  UC114002  Clarkia purpurea subsp. quadrivulnera R. D. Williams 1905-6-19 Los Angeles near Claremont; Burbank Canyon Comment
  SEINET10632448  Clarkia rhomboidea Robert F. Thorne 1971-6-26 Thorne 40608 Los Angeles Sam Gabriel Mts., Angeles National Forest: Yellow pine-mixed evergreen forest N slope San Gabriel Peak, elev. ca 4700 feet. 1435 Comment
  SD197834  Clarkia similis Peter L. Morrell, L. D. Gottlieb, Vera Ford 1996-4-10 489 Los Angeles San Gabriel Mountains: San Antonio Canyon, Mount Baldy Road, along edges of trail in Evey Canyon, trail begins beyond curve within 200 meters of entrance, just beyond large rock outcrop. 719 Comment
  RSA0056209  Clarkia unguiculata Orlando Mistretta, Mike Hammit 1991-4-15 s.n. Los Angeles Liebre Mountains region: San Francisquito Canyon. 543 Comment
  RSA448589  Clarkia unguiculata Geo. L. Moxley 1913-7-26 s.n. Los Angeles On hills near Newhall. Comment
  RSA0081709  Claytonia parviflora R. G. Swinney 2010-5-19 12789 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
  UCD168216  Claytonia parviflora subsp. parviflora J. W. Barry Apr1980 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
  RSA526556  Claytonia perfoliata Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-7 4242 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  OBI69254  Claytonia perfoliata subsp. mexicana John Knapp, Denise Knapp 2003-4-13 20 Los Angeles Catalina Island 64 Comment
  CAS-BOT-BC439965  Claytonia perfoliata subsp. mexicana C. W. Tilforth; Jack Stumbo 1968-4-4 147 Los Angeles Lux Arboretum Annex; Monrovia 762 Comment
  RSA0059509  Claytonia perfoliata subsp. mexicana F. R. Fosberg 1931-4-4 4486 Los Angeles Cherry Canyon 30 Comment
  RSA117690  Claytonia perfoliata subsp. mexicana S. Tillett 1956-3-18 427 Los Angeles 1 mile up mouth of Cobal Canyon, N end of Mills Ave., Claremont, then along stream bed 1/4 mile after road turns up hill; stream turns right then left. Comment
  UCR256576  Claytonia rubra subsp. rubra Anuja Parikh, Nathan Gale 2011-6-28 3519 Los Angeles Transverse Ranage; San Gabriel Mountains, Upper Big Tujunga Canyon, 0.1 km SW of Shortcut Station, 0.5 km north of State Hwy 2, Angeles Crest Hwy 1280 Comment
  LA207185  Clematis lasiantha O. A. Plunkett; 1926-3-6 sn Los Angeles Santa Anita Canyon, Sierra Madre Comment
  RSA760604  Clematis ligusticifolia R. G. Swinney 2008-9-10 9414 Los Angeles South Fork Big Rock Creek 1463 Comment
  CAS-BOT-BC423120  Cleomella obtusifolia A. D. E. Elmer 1902-6-1 3629 Los Angeles Lancaster Comment
  UC314535  Cleomella obtusifolia Marcus E. Jones, A. M. 1924-9-14 Los Angeles Lancaster Comment
  CDA7446  Cnicus benedictus G. K. Helmkamp, E. A. Helmkamp 1998-5-21 4049 Los Angeles Western Mojave Desert; Junction of Munz Ranch Road and Lake Elizabeth Road north of Lake Elizabeth. Comment
  UCR229166  Collinsia Dan S. Cooper 2011-5-5 511- 56 C Los Angeles Transverse Range; San Gabriel Mountains, Portal Ridge, east of Three Points, 6.1 mi southeast (148 deg. ) of Neenach 1331 Comment
  PASA1014  Collinsia callosa Frank W. Peirson 1922-6-3 Los Angeles East of Oak Grove Canyon Divide, Liebre Mts. 1173 Comment
  RSA614330  Collinsia childii Louis C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mountains: North of Mill Canyon off Soledad Canyon near Ravenna. 716 Comment
  RSA0022649  Collinsia heterophylla Justin M. Wood 2012-3-20 4646 Los Angeles San Dimas. San Jose Hills: Walnut Creek Canyon, +/- 0.5 mi NW of Puddingstone Reservoir, +/- 0.25 mi E of SR-57, just north of San Dimas Ave. and just S. of Cliffside Dr. 229 Comment
  UC885515  Collinsia heterophylla Ira W. Clokey, B. Templeton May 1929 4461 Los Angeles Santa Monica Mountains, Mandeville Canyon Mandeville Canyon; Santa Monica Mountains, Mandeville Canyon 550 Comment
  UCR189381  Collinsia heterophylla R. G. Swinney 1998-5-30 6177 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  RSA408271  Collinsia heterophylla Geo. L. Moxley 1913-9-1 187 Los Angeles Santa Anita Canyon. Comment
  RSA408340  Collinsia heterophylla var. austromontana George H. Lewis 1975-6-29 s.n. Los Angeles Hall Beckley Canyon, ca. 1-1/4 miles north of Foothill Blvd. on Palm Drive, La Canada. Comment
  JEPS71021  Collomia grandiflora Frank W. Peirson 1923-6-9 3548 Los Angeles Pine Canyon Liebre Mts. 1158 Comment
  UCR136830  Colutea arborescens 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
  SBBG11591  Constancea nevinii P. H. Raven 1962-7-12 18024 Los Angeles near point at E end of Northwest Harbor 30 Comment
  SBBG95678  Constancea nevinii A. Liston, O. Mistretta, L. Rieseberg 1989-4-28 795 -2 Los Angeles China Cyn, central branch Comment
  UC468955  Constancea nevinii R. L. Pendleton 1909-7-3 1382 Los Angeles beach w Sugar Loaf; Santa Catalina Island 3 Comment
  NY643142  Convolvulus arvensis L. T. Chamberlain s.n. Los Angeles Comment
  RSA785631  Convolvulus arvensis Doris Bowers 1968-6-28 693 Los Angeles Diamond Bar Ranch 305 Comment
  RSA412316  Cordylanthus maritimus subsp. maritimus Anstruther Davidson 1893-5-28 s.n. Los Angeles Long Beach Comment
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Nov 5 2007
  UCR146541  Cordylanthus nevinii Scott D. White 2004-8-11 10704 Los Angeles San Gabriel Mtns, c. 8 air mi WNW of Wrightwood; east of Fenner Saddle Rd. on Pacific Crest trail 2195 Comment
  UC1375266  Cordylanthus nevinii Robert F. Thorne 1971-8-25 41239 Los Angeles Mt. Baden-Powell, n slope along trail to Vincent Gap San Gabriel Mts., Angeles National Forest 2011 Comment
  RSA599836  Coreopsis bigelovii Steve Boyd, Lauren Raz 1997-5-6 9748 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  UC1595579  Coreopsis bigelovii W. Wisura and E. Roeder 1992-4-21 4698 Los Angeles near Valyermo (Mountain Brook Ranch); West Mojave Comment
  POM356025  Coreopsis gigantea Alice Jane Merritt 1894-4-8 s.n. Los Angeles 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
  SBBG127310  Corethrogyne filaginifolia D. Keil 1986-9-27 19737 -2 Los Angeles Interstate 5, just S of Hungry Valley Rd exit, roadside pullout 914 Comment
  SFV5523  Corethrogyne filaginifolia W. A. Kelley Sep 1968 s. n. Los Angeles Santa Monica Mountains Studio City, near Laurel Canyon. Comment
  UCR259263  Corethrogyne filaginifolia R. G. Swinney 2010-9-9 13736 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  RSA654657  Coronilla glauca Matt Brooks 1988-5-12 65 Los Angeles Hacienda Heights, Athel Dr. 0.2 miles east of its intersection with Oak Canyon Dr. Comment
  RSA579283  Cortaderia selloana Timothy S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, D. L. Banks, Megan Tommerup 1994-3-28 7424 -A Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; un-named horseshoe-shaped canyon to the NE of upper Forrestal Drive; San Pedro 7.5' USGS quadrangle., Near 33?44'22''N 118?20'45''W 177 Comment
  CATA2887  Cosmos bipinnatus Sara L. Crockett, Michael Daligdig 1996-11-4 21 Los Angeles Santa Catalina Island: Casino point, and along walkway 4 Comment
  CATA1795  Cotoneaster pannosus Benjamin E. Carter 2012-8-23 6979 Los Angeles Santa Catalina Island: Middle Ranch Canyon, at Pump Station 2 309 Comment
  UC69647  Cotula australis T. W. Minthorn 1905-2-2 5 Los Angeles Los Angeles Comment
  RSA763024  Crassula connata R. G. Swinney 2009-3-13 10109 Los Angeles Azusa, mouth of San Gabriel River Canyon, 0.8 mi. north of Foothill Blvd. on east side of main river channel 192 Comment
  UCR259645  Crassula connata R. G. Swinney 2010-4-1 12128 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
  RSA423442  Crassula connata var. erectoides L. C. Wheeler 1934-3-29 2485 Los Angeles Sepulveda Canyon, Santa Monica Mountains. 183 Comment
  UCR276899  Crassula erecta R. G. Swinney 2011-3-29 14276 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
  RSA600446  Crassula tillaea L. C. Wheeler 1968-3-15 s.n. Los Angeles San Gabriel Mountains: Bichota Mesa, North Fork San Gabriel River. 945 Comment
  UCR182479  Crepis acuminata R. G. Swinney 1997-7-17 5687 Los Angeles San Gabriel Mtns., summit of Table Mountain, NW of Wrightwood 2277 Comment
Read comments
Aug 23 2013
  CATA1530  Crepis setosa Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1996-7-11 2751 Los Angeles Santa Catalina Island: By Avalon School science building, Falls Canyon 27 Comment
  LA201634  Crinum Arthur C. Gibson; 2004-1-17 4996 Los Angeles 213 Comment
  RSA609611  Croton californicus L. C. Wheeler 1974-4-4 s.n. Los Angeles West end of Los Angeles International Airport. 60 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
  UCR270523  Croton californicus R. G. Swinney 2010-4-13 12189 Los Angeles San Gabriel Mountains, 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom 610 Comment
  SD252239  Crypsis Steven A. Junak 1999-9-11 Sca 1098 Los Angeles Santa Catalina Island. W side of upper Buffalo Springs reservoir. 433 Comment
  UCR218026  Crypsis schoenoides A. C. Sanders, Dan S. Cooper 2010-8-5 38573 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  RSA774260  Cryptantha circumscissa R. G. Swinney 2009-5-5 10645 Los Angeles Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  UC455976  Cryptantha clevelandii I. J. Condit 1911-3-27 Los Angeles Catalina Island Comment
  RSA802445  Cryptantha clokeyi Orlando Mistretta, Youssef Atallah 2011-8-16 6049 Los Angeles Aliso Canyon; 1.4 miles north of Mill Creek Summit. 1338 Comment
  UCR197741  Cryptantha decipiens Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 109 Los Angeles Transverse Ranges; San Gabriel Mountains, north side of the mountains, right at the north end of Bob's Gap 1220 Comment
  RSA596018  Cryptantha intermedia T. S. Ross, J. Mark Porter 1995-5-4 8441 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. Liebre Mountains. 555 Comment
  UC56863  Cryptantha intermedia R. D. Williams 1902-2-12 Los Angeles Claremont Comment
  UC78534  Cryptantha intermedia Rev. J. C. Nevin 1882-1 Los Angeles Los Angeles Comment
  POM368265  Cryptantha intermedia M. B. Dunkle 1939-4-4 7260 Los Angeles San Clemente Island, Chenetti Canyon. Comment
  RSA561576  Cryptantha intermedia Steve Boyd, Orlando Mistretta 1993-5-17 8145 Los Angeles north of sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Ridge on west side of Sombrero Canyon at the western edge of the forest 793 Comment
  UCSB5552  Cryptantha intermedia Beach, Kay 1944-6-20 Los Angeles Tanbark SRE Comment
  RSA0076125  Cryptantha intermedia var. johnstonii P. H. Raven, Robert F. Thorne 1964-5-7 19035 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  SBBG13452  Cryptantha maritima E. R. Blakley 1962-6-9 5186 Los Angeles China Pt near lighthouse 9 Comment
  RSA251446  Cryptantha maritima R. F. Thorne 1966-4-16 36049 Los Angeles San Clemente Island: c. 1/2 mile SSE of Eel Point, SW side of island 2 Comment
  RSA585343  Cryptantha micrantha T. S. Ross 1991-4-27 4638 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
  RSA729009  Cryptantha micrantha Gary D. Wallace, B. Gustafson, D. Minor, M. Wallace, F. Runyon, B. Birdsal 1982-4-26 1963 Los Angeles Fort Tejon Road. Comment
  LA31589  Cryptantha microstachys Henry J. Thompson; 1959-5-24 sn Los Angeles Santa Monica Mountains, Tuna Canyon, 1.9 mi N of Pacific Coast Hwy on Tuna Canyon Rd 335 Comment
  RSA485304  Cryptantha microstachys D. Wong 1923-5-23 72 Los Angeles San Antonio Canyon. 915 Comment
  RSA748674  Cryptantha muricata R. G. Swinney 2008-3-31 8596 Los Angeles Glendora Mountain summit 1003 Comment
  UCR266387  Cryptantha muricata D. E. Bramlet, Allison D. Rudalevige 2009-4-28 4370 Los Angeles Transverse Range; San Gabriel Mtns., Big Tujunga Wash, along Big Tujunga Canyon Rd., across from nursery 415 Comment
  UCR281995  Cryptantha muricata var. denticulata R. G. Swinney 2014-5-7 16414 Los Angeles San Gabriel Mountains, near town of Ravenna, 0.3 miles east of Stonecross, c. 0.7 miles south of Soledad Cyn. Road, c. 0.5 mile east of Mill Cyn., unnamed N-S oriented cyn. between Bootleggers Cyn. and Mill Cyn. 793 Comment
  UCR146119  Cryptantha muricata var. jonesii Michael Denslow, Steve Boyd 2003-5-7 1084 Los Angeles Transverse Ranges; San Gabriel Mountains region, Glendora Ridge Motorway (1N26) west of intersection with Glendora Mountain Road (2N08) 762 Comment
  SBBG63839  Cryptantha nevadensis R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  RSA0116171  Cryptantha pterocarya var. pterocarya R. G. Swinney 2011-4-19 14397 Los Angeles San Gabriel Mountains; San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  SBBG24566  Cryptantha pterocarya var. pterocarya R. N. Philbrick 1966-4-23 Los Angeles 145th Street, E of Alpine Butte Wildlife Sanctuary and N of Pearblossom Comment
  SD262229  Cryptantha pterocarya var. pterocarya R. G. Swinney 2014-5-7 16338 Los Angeles San Gabriel Mountains: east of Valyermo, east end of Holcomb Ridge, 0.35-0.45 miles north of Panorama Rd., 2.5 road miles east of Bob's Gap Road, in north-sough arroyo cutting through Holcomb Ridge (Valyermo 7.5'Q) 1280 Comment
  RSA616940  Cryptantha similis L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 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
  RSA232822  Cryptantha traskiae R. F. Thorne 1966-4-15 35992 Los Angeles San Clemente Island: 2/3 mile SSE of Eel Point (and N of Seal Cove), SW side of island 30 Comment
  SD249169  Cryptantha wigginsii Michael G. Simpson, Lori L. Simpson 2012-4-21 3682 Los Angeles Santa Catalina Island. West-facing road cut, on road between Cherry Cove and Howland's Landing. 50 Comment
  UCR280884  Cucurbita moschata R. G. Swinney 2014-5-15 16537 Los Angeles San Gabriel Mountains, Azusa Peak, 0.06 mile south of Glendora Ridge Motorway, 1.34 miles due east of Hwy. 39, 0.15 mile east of Garcia Trailhead 630 Comment
Read comments
Aug 13 2017
  UCR116706  Cupaniopsis anacardioides Sharon Dougherty 2001-7-3 s.n. Los Angeles San Gabriel Mtns. (foothills), Pasadena, Cal Tech (Jet Propulsion Laboratory) 457 Comment
  IRVC26332  Cuscuta californica A. C. Sanders, Andy Thompson 2003-4-15 25992 Los Angeles Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 396 Comment
  SBBG58154  Cuscuta denticulata R. Hoffmann 1928-7-9 Los Angeles Antelope Valley Comment
  JEPS49768  Cycladenia humilis var. venusta Joseph Andorfer Ewan 1932-6-17 7237 Los Angeles summit Mt. Disappointment; San Gabriel Mts., Mt. Disappointment 1828 Comment
  UCR205667  Cyclospermum leptophyllum A. C. Sanders, T. B. Salvato 2009-5-20 36884 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
  RSA658885  Cynodon dactylon Douglas A. Springer 1981-2-18 17 Los Angeles Cal Poly University Campus, junction of University Drive and Kellog Drive. Comment
  SFV21039  Cynodon dactylon L. Gross 2001-11-10 452 Los Angeles 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
  UCR209624  Cynodon dactylon R. G. Swinney 2008-12-2 9909 Los Angeles San Gabriel Mtns., mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east 177 Comment
  SD252223  Cyperus Steven A. Junak 2000-7-1 Sca 1369 Los Angeles Santa Catalina Island. At NW side of reservoir. 328 Comment
  UC520031  Cyperus esculentus Joseph Andorfer Ewan 1932-6-28 7501 Los Angeles Los Angeles R. at Fletcher Ave. Bridge; Los Angeles R. Comment
  POM1344  Cyperus niger var. capitatus I. M. Johnston 1916-11-21 s.n. Los Angeles Claremont. Comment
  RSA773303  Cystopteris fragilis R. G. Swinney 2009-6-3 11055 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  LA82384  Datisca glomerata O. H. Kappler; 1940-5-26 2 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  POM3045  Datisca glomerata I. M. Johnston 1914-5-13 1024 Los Angeles El Monte Comment
  RSA421882  Datura wrightii Fay A. MacFadden 1931-3-15 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  RSA228868  Datura wrightii Robert F. Thorne 1971-6-26 40638 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Tujunga Canyon 427 Comment
  RSA591670  Datura wrightii Louis C. Wheeler 1966-9-21 8885 Los Angeles San Gabriel Mountains. West side of mouth of west fork, San Gabriel Canyon, just downstream from bridge to east fork. 457 Comment
  UCSB5892  Datura wrightii Gill, Robert 1959-11-16 Los Angeles Wash, Pomona College Campus Comment
  POM246436  Daucus pusillus F. R. Fosberg 1931-4-10 S- 4531 Los Angeles Avalon Canyon, Santa Catalina Island. 150 Comment
  UCR190439  Daucus pusillus R. G. Swinney 2000-5-10 7677 Los Angeles San Gabriel Mtns., San Gabriel River bottom, c. 600 m NE of confluence with Fish Canyon between bike path and river bottom 220 Comment
  RSA47077  Daucus pusillus L. C. Wheeler 1934-4-27 1934 Los Angeles Marshall Creek. 488 Comment
  RSA470785  Daucus pusillus M. B. Dunkle 1939-4-2 7206 Los Angeles San Clemente Island, southeast point. Comment
  CATA3150  Deinandra clementina Amy Catalano 2016-6-2 137 Los Angeles Santa Catalina Island: Thompson Reservoir Road, near gate to stables 169 Comment
  UC625063  Deinandra fasciculata F. R. Fosberg 1931-5-21 S 4930 Los Angeles Parson's Landing Santa Catalina Island (grassy hillside facing ocean) 20 Comment
  CAS-BOT-BC299284  Deinandra fasciculata Alice Eastwood 1906-5-27 91 Los Angeles Country adjacent to Los Angeles Comment
  SFV3978  Deinandra kelloggii M. L. Vincent 1962-6-18 262 Los Angeles Santa Monica Mountains Mulholland Highway, 1.5 miles west of Old Topanga turnoff. Comment
  CAS-BOT-BC131014  Deinandra minthornii H. M. Hall 1929-11-6 12772 Los Angeles Santa Susana Pass Comment
  SBBG36841  Deinandra minthornii D. D. Keck 1932-10-14 1953 Los Angeles N of Chatsworth city limits, on first hill W of Topanga Cyn Blvd, Santa Susana foothills Comment
  RSA394509  Delphinium cardinale N. C. Cooper 1949-6-18 4190 Los Angeles San Gabriel Wash 366 Comment
  JEPS23355  Delphinium cardinale Frank W. Peirson 1918-6-28 49 Los Angeles foothills e Rubio Canyon (ne of Altadena); Angeles National Forest 609 Comment
  RSA394514  Delphinium cardinale Robert L. Dressler 1949-6-19 898 Los Angeles SanDimas Wash, ca. 1 mile N of San Dimas. 671 Comment
  RSA0029745  Delphinium glaucum R. G. Swinney 1997-7-16 5663 Los Angeles Buford Canyon, 0.5 mi. W of San Barnardino Co. line, S of Hwy 2 and Swarthout Valley, 2 air mi. W of Wrightwood. 1921 Comment
  CAS-BOT-BC7971  Delphinium parishii subsp. parishii W. R. Dudley; Frank Haines Lamb 1896-6-9 4371 Los Angeles Kings Canyon, Liebre Mountains Comment
  RSA772877  Delphinium parryi Earl Maize 1973-5-8 27 Los Angeles Mt. Baldy Road, 1 mile east of Padua Hills, below San Antonio Reservoir, 7 miles north of claremont 610 Comment
  SEINET10762760 Image available Delphinium parryi subsp. maritimum LeRoy R. Abrams Abrams 1186 Los Angeles Ballena Harbor. Comment
  CAS-BOT-BC116284  Delphinium parryi subsp. parryi Louis C. Wheeler 1932-5-1 674 Los Angeles 3 mi. N Claremont 518 Comment
  JEPS6111  Delphinium patens subsp. hepaticoideum Ira W. Clokey, B. Templeton 1929-4-1 4433 Los Angeles Mandeville Canyon Santa Monica Mountains 425 Comment
  POM123107  Delphinium patens subsp. hepaticoideum Marcus E. Jones 1882-5-2 s.n. Los Angeles Pasadena. Comment
  POM149  Delphinium patens subsp. hepaticoideum I. M. Johnston 1917-5-6 1924 Los Angeles Evey Canyon, north of Claremont 762 Comment
  POM9099  Delphinium patens subsp. hepaticoideum P. A. Munz, R. D. Harwood 1920-5-2 3824 Los Angeles San Dimas Canyon. 457 Comment
  RSA304853  Delphinium patens subsp. hepaticoideum James R. Shevock 1971-3-28 822 Los Angeles Mapleleaf Canyon [Maple Canyon]. 518 Comment
  RSA798762  Delphinium patens subsp. hepaticoideum Jason Koontz, Bart O'Brien 2012-5-17 289 Los Angeles Glendora Ridge Rd. N-Facing semi-stabilized scree slope. Comment
  SBBG55819  Delphinium patens subsp. hepaticoideum K. Martinez 1971-4-23 47 Los Angeles San Dimas Cyn, 6.2 mi from Foothill Blvd along San Dimas Cyn Rd 510 Comment
  UCR272641  Delphinium patens subsp. montanum R. G. Swinney 2011-6-7 15047 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
  RSA0030013  Delphinium patens subsp. montanum M. D. Proctor 1944-4-9 836 Los Angeles Santa Anita Canyon Comment
  RSA433199  Dendromecon rigida subsp. harfordii Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  RSA183002  Dendromecon rigida subsp. rhamnoides S. Carlquist, Robert F. Thorne 1966-4-28 1823 Los Angeles Upper terminus of road to Renton Mine, Santa Catalina Island. Comment
  UCR187181  Deschampsia danthonioides A. C. Sanders 2006-4-21 32151 Los Angeles Tehachapi Mtns. Foothills, ephemeral stream c. 1 mile east of Quail Lake, northeast of the intersection of the National Cement Plant Rd. and Hwy 138 1006 Comment
  POM369384  Descurainia pinnata subsp. glabra Ora M. Clark 1929-3-30 s.n. Los Angeles E of Lancaster. Comment
  RSA598352  Descurainia sophia L. C. Wheeler 1969-4-19 s.n. Los Angeles Blum Ranch, Aliso Canyon 883 Comment
  UC1871141  Desmazeria rigida T. S. Ross, Janet Takara, M. Gay 1993-4-20 6826 Los Angeles Channel Islands; Santa Catalina Island; Indian Head Rock, SSW of & overlooking, Little Harbor; Santa Catalina North USGS 7.5' quad; near 33 deg. 22'46''N, 118 deg. 28'41''W; elev. ca 260 ft. 79 Comment
  CAS-BOT-BC402262  Dicentra chrysantha Alice Eastwood 1906-5-27 266 Los Angeles Country adjacent to Los Angeles. Roscoe Comment
  RSA0089506  Dicentra chrysantha R. G. Swinney 2011-6-30 15415 Los Angeles 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA172269  Dicentra chrysantha Robert F. Thorne, James Henrickson 1963-5-5 32285 Los Angeles Near bottom and mouth of Cobal Canyon, foothills of San Gabriel Mts., ca. 4 miles N of Claremont. 518 Comment
  JEPS9551  Dicentra chrysantha Frank W. Peirson 1918-6-10 56 Los Angeles Mt. Markham; San Gabriel Mountains 1615 Comment
  JEPS64192  Dichelostemma capitatum Frank W. Peirson 1918-5-21 7 Los Angeles Arroyo Seco San Gabriel Mts. Comment
  UC1348968  Dichelostemma capitatum Robert F. Thorne 1966-4-4 35775 Los Angeles ne of Isthmus Cove; Santa Catalina Island, Blue Cavern Point 30 Comment
  SD234442  Dichelostemma capitatum subsp. capitatum A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al 2003-4-28 26117 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam (Warm Springs Mtn 7.5' Q) 487 Comment
  RSA89978  Digitaria ciliaris J. C. Roos, A. R. Roos 1950-9-16 4989 Los Angeles Los Angeles. 61 Comment
  UCD64080  Digitaria sanguinalis Ernest C. Twisselmann 1970-10-17 17548 Los Angeles Antelope Valley: Gorman Highway 5 miles W of Highway 14. 1005 Comment
  SBBG133129  Diplacus parviflorus J. Lambert 2006-3-26 Bot 66 -06 Los Angeles San Diego Zoo facilities at Stone Station Comment
  CAS-BOT-BC150847  Diplacus puniceus Carl B. Wolf 1932-5-10 3509 Los Angeles Santa Catalina Island. Avalon Canyon, above the last almond orchard 121 Comment
  CAS-BOT-BC150864  Diplacus puniceus Alice Eastwood 1917-7-20 6502 Los Angeles Santa Catalina Island Comment
  JEPS26609  Dodecahema leptoceras Peter Kamb 1948-6-26 1119 Los Angeles near Sunland; Tujunga Wash 350 Comment
  UC440365  Dodecatheon clevelandii subsp. clevelandii Carl Epling 1930-3-8 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon (Southern California) Comment
  SBBG31395  Dodecatheon clevelandii subsp. insulare R. F. Thorne, R. Rollins, D. Probst, R. Carolin 1967-3-18 36745 Los Angeles above lower end of Bullrush Cyn 243 Comment
  RSA461361  Dodecatheon clevelandii subsp. insulare N. C. Cooper 1949-4-7 4270 Los Angeles Los Padres Nat. Forset. 457 Comment
  UCR43322  Dodecatheon redolens David Charlton 1986-6-16 308 Los Angeles San Gabriel Mtns, Angeles Crest Hwy, near Kratka Ridge. 2287 Comment
  OBI53619  Drymocallis glandulosa Bradley J. Kayl, Jon, Deren, John 1994-5-12 34 Los Angeles Santa Monica Mts, Tapia Park, Malibu Comment
  POM625  Drymocallis glandulosa var. wrangelliana I. M. Johnston 1918-4-28 1894 Los Angeles Puente Hills, Turnbull Canon 366 Comment
  SFV15996  Dryopteris arguta K. A. Wilson, R. J. Gustafson 1994-5-13 2413 Los Angeles Santa Monica Mountains Upper Franklin Canyon Reservoir. Comment
  UC220845  Dryopteris arguta G. R. Vasey July 1880 683 Los Angeles Santa Monica Mts Comment
  UCD136403  Dryopteris arguta F. R. Rickson 1961-7-28 2 Los Angeles Studio City. 200-300 yds from south end of Brookdale Rd. Comment
  CAS-BOT-BC109687  Dudleya cymosa subsp. ovatifolia K. Nakai 1980-5-25 610 Los Angeles Santa Monica Mountains, Malibue Canyon, on Mailbu Canyon Road, ca. 3 km north of California Highway 1. 260 Comment
  LA90336  Dudleya cymosa subsp. ovatifolia Peter H. Raven; Henry J. Thompson 1960-7-17 15555 A Los Angeles Santa Monica Mountains, Malibu Creek, along Malibu Creek canyon about 2 mi. above ocean 91 Comment
  RSA720613  Dudleya cymosa subsp. ovatifolia Naomi Fraga, Janell Cassianni, Ryan Gilmore 2006-7-25 1733 Los Angeles Malibu Canyon, small side drainage just south of Malibu Canyon tunnel. 259 Comment
  SD127371  Dudleya cymosa subsp. ovatifolia Reid Moran 1962-5-31 8323 A Los Angeles Ca. 1 mil upgrade from Seminole Springs, Santa Monica Mtns Comment
  UCR98727  Dudleya cymosa subsp. pumila Steve Boyd, Lauren Raz 1997-4-30 9601 Los Angeles Liebre Mountains, About the confluence of Bear Canyon & Pine Canyon, between the southern flank of Liebre Mountain & northern flank of Red Rock Mountain, SW of Gillette Mine 915 Comment
  UCSB2528  Dudleya farinosa Wedberg, H. 1957-6-15 Los Angeles Latigo Canyon; 2 mi. from Hwy. 101 Comment
  RSA670367  Dudleya lanceolata I. W. Clokey, B. C. Templeton 1929-05 4597 Los Angeles Mandeville canyon, Santa Monica Mountains. 250 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
  RSA247427  Dudleya lanceolata Jack Delaini, Barbara Shervanick 1974-5-23 220 Los Angeles Lodi Canyon, San Dimas Experimental Forest 441 Comment
  UC792936  Dudleya multicaulis Reid Moran 1948-6-10 3087 Los Angeles Puddingstone Hills Comment
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Aug 12 2014
  SBBG98418  Dudleya virens T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5381 Los Angeles W fork of Near-Death Cyn, draining to Mosquito Cove (drainage beginning 800 ft N of Rest; 1800 ft SE of Malo Knoll 304 Comment
  CAS-BOT-BC109734  Dudleya virens subsp. hassei Reid Moran 1941-5-27 873 Los Angeles Lover's Cove, near Avalon, Catalina Island. 25 Comment
  RSA534964  Dudleya virens subsp. insularis M. B. Dunkle 1931-4-22 2466 Los Angeles Santa Catalina Island: Little Harbor Comment
  SFV21088  Dysphania ambrosioides L. Gross, V. Soza, N. Gilbert 2000-10-18 291 Los Angeles Verdugo Mountains Hostetter Mountainway. Along roadside near above coordinates. 915 Comment
  SD46366  Dysphania botrys D. F. Howe 1956-7-1 Los Angeles Tujunga Canyon Comment
  SBBG108935  Dysphania multifida S. A. Junak 1996-9-28 SCl 671 Los Angeles E edge of central portion of mesa, in parking area at Stone Field Stn 457 Comment
  RSA728332  Echinochloa crus-galli Gary D. Wallace 1979-8-9 1874 Los Angeles Arcadia: weedlot, SW corner of Baldwin Ave. and Foothill Blvd. Comment
  RSA202481  Ehrharta erecta R. L. Armacost 1963-5-7 1652 Los Angeles Santa Monica. Comment
  RSA0088586  Eleocharis R. G. Swinney 2010-9-13 13838 Los Angeles C. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek. 1244 Comment
  RSA0105203  Eleocharis acicularis var. acicularis D. Bramlet 1999-11-16 2828 Los Angeles Snow Creek, City of Industry. The locality is 15m east of Valley Blvd. and 213 south of Grand Ave. The site is 122m west of the existing San Jose Creek flood control channel. 182 Comment
  SEINET13384076 Image available Eleocharis macrostachya R. G. Swinney 2011-1 15297 Los Angeles Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  CAS-BOT-BC112850  Eleocharis macrostachya Joseph Cook (Rev.) Nevin 1904-5-1 s.n. Los Angeles Los Angeles River Comment
  UC557649  Eleocharis macrostachya Nell Murbarger May 1936 231 Los Angeles canyon at S end of island, at base of rubble from an Indian cave dwelling San Clemente Island Comment
  RSA0127375  Eleocharis montevidensis Louis C. Wheeler 1967-7-20 10131 Los Angeles Aliso Canyon. 1067 Comment
  CAS-BOT-BC113278  Eleocharis parishii Roxana S. Ferris 1918-6-12 923 Los Angeles In marsh around artesian well at Lancaster. Comment
  SEINET7586929 Image available Eleocharis parishii Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains, foot of Holiday Hill Ski Lift. 1996 Comment
  RSA705545  Eleusine coracana subsp. africana R. E. Riefner Jr. 2003-12-14 3 -504 Los Angeles City of Pasadena, Lower Arroyo Park, near Arroyo Seco Creek, south of Arroyo Boulevard and Norwood Street. 120 Comment
  SEINET3929482  Elymus condensatus Keith Dobry 1991-6-13 D 862 Los Angeles 1/2 mile N of Olsen Rd., off Moorpark Rd., Thousand Oaks, Simi Hills on slopes of Metclef Ridge.; 0 Comment
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May 26 2015
  CAS-BOT-BC227499  Elymus elymoides A. D. E. Elmer 1902-6-1 4172 Los Angeles Acton Comment
  RSA771603  Elymus elymoides R. G. Swinney 2009-5-28 10971 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  SBBG59331  Elymus elymoides M. N. Ackley 1927-5-8 26 Los Angeles Little Rock foothills 914 Comment
  SEINET10564688  Elymus elymoides Adolph D. E. Elmer Elmer 4166 Los Angeles Acton. Comment
  RSA589226  Elymus elymoides subsp. elymoides Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-8 2919 Los Angeles Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats). 1250 Comment
  RSA3544  Elymus glaucus C. B. Wolf 1932-5-9 3488 Los Angeles At 2nd group of mine workings in left (east) fork of Pebbly Beach Canyon, Santa Catalina Island. 244 Comment
  CAS-BOT-BC206753  Elymus glaucus subsp. glaucus Geo. B. Grant 1904-5-5 6178 Los Angeles Pasadena Comment
  CAS-BOT-BC206759  Elymus glaucus subsp. glaucus Timothy S. Ross 1992-5-24 6418 Los Angeles Brown's Gulch, Draining to San Gabriel Canyon at the base of San Gabriel Dam - San Gabriel Mountains 475 Comment
  LA14511  Elymus glaucus subsp. glaucus Carl Epling; 1931-5-2 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  POM365348  Elymus glaucus subsp. glaucus Donald R. Bissing 1973-6-2 160 Los Angeles Evey Canyon, San Gabriel Mountains. 0.6 miles from mouth of canyon. 756 Comment
  RSA628380  Elymus glaucus subsp. glaucus Scott D. White, Dave Bramlet 1998-6-29 6824 Los Angeles West of Mt. Islip: just above eastern boundary of San Gabriel Wilderness. Ca. 4-mile closed section of Highway 39 from ca. 1.6 miles W of junction Crystal Lake access road to junction Highway 2. 1707 Comment
  RSA641379  Elymus glaucus subsp. jepsonii Orlando Mistretta 1995-6-23 1829 Los Angeles San Gabriel Mountains: Lookout Mt. Trail. Orobanche valida survey site 2. 1829 Comment
  RSA0080726  Elymus glaucus var. glaucus R. G. Swinney 2010-9-9 13756 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  RSA708022  Elytrigia intermedia subsp. intermedia Scott D. White, Jennifer H. Jones 2005-6-23 11148 Los Angeles Acton area. South of Powerline access road (ANF 4N32), between Arrastre Canyon and Moody Canyon. 976 Comment
  RSA709677  Emmenanthe penduliflora LeRoy Gross 2005-4-28 2172 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
  UCR252734  Emmenanthe penduliflora R. G. Swinney 2010-5-29 13411 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  CAS-BOT-BC131206  Encelia californica Dr. Barton W. Evermann 1918-3-25 s.n. Los Angeles San Clemente Isl. Comment
  RSA150685  Encelia californica Peter H. Raven 1962-5-9 17659 Los Angeles San Clemente Island, along road just north of Guds. 250 Comment
  RSA523165  Encelia californica Timothy S. Ross 1991-2-23 4101 Los Angeles Whittier Hills (Puente Hills) upper Turnbull Canyon 1/5 air mile WNW of Turnbull Canyon road & Skyline Drive in partially disturbed. 288 Comment
  RSA655787  Ephedra nevadensis James Henrickson 2000-4-21 20714 Los Angeles Ca. 17 mi W of State Hwy 14, along Hwy 138 near 14348 W. Avenue D. at a site for a Sprint monopole. 854 Comment
  RSA755273  Ephedra nevadensis Stephen Hill, Kate Kramer 2001-4-22 33366 Los Angeles North foothills of San Gabriel Mts., Elizabeth Lake Road, 3.3 miles W of CA Route 14, 0.9 miles W of Highland Street (25th Street West), W of Palmdale. Vicinity of Armagosa Creek. 854 Comment
  POM123010  Epilobium brachycarpum Marcus E. Jones 1924-9-10 s.n. Los Angeles San Gabriel Mountains: Swartout [Swarthout] valley. Comment
  IRVC28557  Epilobium canum A. C. Sanders 2003-8-5 27109 Los Angeles Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters NE end of Santa Susana Mtns. 320 Comment
  UCR154435  Epilobium canum A. C. Sanders, T. B. Salvato 2005-5-24 30256 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon NW of community of Mint Canyon, tributary of Santa Clara River 518 Comment
  CAS-BOT-BC171915  Epilobium canum subsp. latifolium Raymond J. Dobbs 1924-7-16 s.n. Los Angeles Near top of Waterman, San Gabriel Mts. 2133 Comment
  LA206129  Epilobium canum subsp. latifolium F. R. Fosberg; Joseph Andorfer Ewan 1931-8-10 4926 Los Angeles San Gabriel Mountains, Lower Pine Flats, N Fork San Gabriel River 1523 Comment
  RSA573717  Epilobium canum subsp. latifolium Tim S. Ross 1990-8-17 3128 Los Angeles S side of Blue Ridge, 0.6 mi. E of Vincent Gap along the Angeles Crest Highway (Hwy 2) 2061 Comment
  RSA755868  Epilobium canum subsp. latifolium R. G. Swinney 2008-7-15 9198 Los Angeles Winston Peak. 2275 Comment
  UCR203236  Epilobium ciliatum R. G. Swinney 2005-7-21 8332 Los Angeles San Gabriel Mountains, Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  UCR209954  Epilobium ciliatum R. G. Swinney 2008-9-9 9332 Los Angeles San Gabriel Mtns., Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  UCR277018  Epilobium ciliatum R. G. Swinney 2010-9-30 13925 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
  JEPS39297  Epilobium ciliatum subsp. ciliatum Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco Los Angeles Comment
  RSA588474  Epilobium ciliatum subsp. ciliatum H. L. Bauer 1933-8-1 s.n. Los Angeles Santa Monica Mountains; Roadside in lower Latigo Canyon. Comment
  RSA795194  Epilobium ciliatum subsp. ciliatum Jane Tirrell 2012-8-3 LS 0138 Los Angeles Lily Spring, below Pacific Crest Trail, approx, 0.5 mi. northwest of Mt. Hawkins. 2480 Comment
  UCR270839  Epilobium ciliatum subsp. ciliatum R. G. Swinney 2011-8-17 15617 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  UC72222  Epipactis gigantea C. J. Fox May 1903 Los Angeles near Glendale Comment
  SEINET6166311  Epipactis gigantea J. H. Barber 1897-6-29 212 Los Angeles Mt. Gleason Comment
  SBBG28787  Equisetum arvense L. C. Wheeler 1933-8-20 2090 Los Angeles Pine Cyn Dam, San Gabriel Cyn 304 Comment
  CAS-BOT-BC57174  Equisetum hyemale subsp. affine 1904-1-1 s.n. Los Angeles unspecified Comment
  LA94016  Equisetum laevigatum Lawrence L. Kiefer; 1966-4-9 1829 Los Angeles SANTA MONICA MOUNTAINS, Santa Ynez Canyon, ca 3 mi N of Sunset Blvd. 274 Comment
  RSA586672  Equisetum laevigatum Orlando Mistretta, Mark Elvin 1995-5-10 1707 B Los Angeles Bare Mountain Canyon, West Fork; Pacifico Mtn. 1159 Comment
  UCR182751  Equisetum laevigatum R. G. Swinney 1997-7-22 5720 Los Angeles San Gabriel Mtns, Government Canyon, west of Wrightwood, 0.75 mi. west of San Bernardino Co. line at Hwy 2, Blue Ridge Mtn. area 2195 Comment
  UCR189825  Equisetum laevigatum R. G. Swinney 1998-9-4 6903 B Los Angeles San Gabriel Mtns, Vincent Gap, off trail c. 350 m SE of parking area at spring near canyon bottom 1988 Comment
  SD215306  Equisetum telmateia Louis C Wheeler 1932-6-13 809 Los Angeles Los Angeles River at Los Feliz Blvd 121 Comment
  LA94033  Equisetum telmateia subsp. braunii Lawrence L. Kiefer; 1966-3-26 1783 Los Angeles SANTA MONICA MOUNTAINS, Encinal Canyon, ca 0.5 mi from mouth. 60 Comment
  RSA684707  Equisetum telmateia var. braunii L. C. Wheeler 1933-10-5 2160 Los Angeles L.A, River at Los Feliz Blvd. 122 Comment
  RSA603227  Eragrostis cilianensis L. C. Wheeler 1932-8-30 1310 Los Angeles 2 mi. NE La Verne. Comment
  RSA0016935  Eragrostis lehmanniana Kelly Middleton, David Middleton 1988-5-23 42 Los Angeles Glendora Ridge Road, 8.4 miles north of Glendora Mountain Road and Sierra Madre Blvd. in Glendora. 1066 Comment
  SBBG44379  Eremalche exilis G. Sphon, D. Hearn 1956-5-30 26 Los Angeles Black Butte, Antelope Valley Comment
  LA105107  Eremocarpus setiger Barry A. Prigge; 1988-7-9 8258 Los Angeles Santa Monica Mountains, Calabasas, 900 ft ESE of N-Junction of Mulholland Hwy and Old Topanga Rd, S of Calabasas High School 374 Comment
  RSA594309  Eremocarpus setiger Steve Boyd, Lauren Raz 1996-10-14 9041 Los Angeles Liebre Mountains region, Agua Dulce Canyon, just north of Highway 14 and the confluence with Escondido Canyon, along Agua Dulce Canyon Road. 671 Comment
  SBBG63727  Eremocarya micrantha R. Hoffmann 1925-4-19 Los Angeles Antelope Valley Comment
  SBBG63728  Eremocarya micrantha R. Hoffmann 1929-4-26 Los Angeles 2 mi W of Ravenna Comment
  SBBG60429  Eremothera boothii subsp. decorticans R. Hoffmann 1927-6-8 Los Angeles Ridge Route (US Hwy 99) [near Sandberg's] Comment
  IRVC29107  Eriastrum densifolium A. C. Sanders, Mark A. Elvin 2003-6-20 27005 Los Angeles lower San Martinez Chiquito Canyon wash, north of Hwy 126 and Del Valle Western Transverse Range/Santa Clara River Watershed 305 Comment
  SEINET10638103 Image available Eriastrum pluriflorum subsp. sherman-hoytiae Philip A. Munz, Craig, Thomas Theodore 1933-5-13 Munz 12925 Los Angeles Sandy flats, desert 10 miles south of Muroc Comment
  CAS-BOT-BC514984  Eriastrum sapphirinum subsp. dasyanthum John H. Thomas 1957-5-31 6799 Los Angeles Occidental College Campus, Los Angeles: hills behind campus Comment
  RSA0122876  Eriastrum sapphirinum subsp. dasyanthum Edwin Kline 1924-6-22 s.n. Los Angeles Mt. Wilson Comment
  JEPS116900  Eriastrum signatum David Gowen 2008-6-20 959 Los Angeles West of junction with gated dirt road to summit of Burnt Peak. On road to west. 1598 Comment
  UCR259894  Ericameria cooperi R. G. Swinney 2010-6-1 13075 Los Angeles San Gabriel Mountains, Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1098 Comment
  CAS-BOT-BC286885  Ericameria ericoides Carl B. Wolf 1931-12-30 2640 Los Angeles Bluffs at Playa Del Rey 30 Comment
  RSA718270  Ericameria linearifolia R. G. Swinney 1998-4-14 5995 Los Angeles Pinon Hills area, 0.7 miles west of 237th St. at Panarama Rd., NW of mouth of Mescal Cyn., Mescal Highlands, 2.7 miles south of Ft. Tejon Rd. 1402 Comment
  RSA776327  Ericameria linearifolia R. G. Swinney 2009-4-29 10603 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA0082876  Ericameria nauseosa subsp. consimilis R. G. Swinney 2011-7-21 15546 Los Angeles Strawberry Peak summit. 1860 Comment
  RSA0083018  Ericameria nauseosa subsp. consimilis R. G. Swinney 2010-9-7 13675 Los Angeles Crystal Lake, within 50 ft. of shore line around the entire perimeter. 1683 Comment
  CAS-BOT-BC298898  Ericameria nauseosa var. bernardina Joseph Andorfer Ewan 1936-8-2 9892 Los Angeles 1.5 miles below head of Cedar Canyon off Mescal Canyon, San Gabriel Mts Comment
  LA210555  Ericameria nauseosa var. hololeuca H. M. Hall; 1917-10-27 10586 Los Angeles ANTELOPE VALLEY, 16 km W of Lancaster. Comment
  OBI44992  Ericameria nauseosa var. hololeuca David J. Keil 1976-12-12 11895 Los Angeles ca. 5 mi W of San Bernardino County line along Calif rte 138. 1128 Comment
  CAS-BOT-BC298041  Ericameria nauseosa var. mohavensis Timothy S. Ross; Steve Boyd 1994-9-21 8296 Los Angeles Liebre Mts. Vicinity of West Summit 1690 Comment
  LA201019  Ericameria nauseosa var. mohavensis Carl Wishner; 1990-1-23 CW- 1676 Los Angeles Simi Hills, Woolsey Canyon, Woolsey Canyon Rd near summit at double hairpin turn 502 Comment
  RSA0078387  Ericameria nauseosa var. oreophila R. G. Swinney 2010-10-8 14006 Los Angeles Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge. 2421 Comment
  UCR265500  Ericameria palmeri Dan S. Cooper 2015-5-13 515- 46 Los Angeles Los Angeles Basin; Coastal Plain, Willow Springs oil field, Long Beach, west of Signal Hill, NW of intersection of Orange Ave. & Willow St. 30 Comment
  SFV17943  Ericameria pinifolia J. N. Hogue, J. D. Dilley 1998-8-7 124 .3 Los Angeles San Gabriel Mountains Cedar Creek. South of Crystal Lake along Highway 39. 1580 Comment
  OBI36525  Erigeron bonariensis Mark Schneider 2005-5-26 s.n. Los Angeles Pierce College Hort. Unit Comment
  UCR202707  Erigeron breweri R. G. Swinney 2001-8-18 8054 Los Angeles San Gabriel Mtns., c. 400 m south of summit of Mt. Baden-Powell 2805 Comment
  RSA185389  Erigeron breweri var. covillei Clare B. Hardham 1959-6-16 4870 Los Angeles Between Pearblossom and Llano. Comment
  CAS-BOT-BC296188  Erigeron foliosus var. foliosus Alice Eastwood 1919-6-21 9058 Los Angeles San Fernando Comment
  UC1929729  Erigeron foliosus var. foliosus Scott D. White, Justin Wood 2008-5-8 11945 Los Angeles Puente / Chino Hills: SCE powerline corridor, E of Fullerton Rd. and S of Pathfinder, above Rowland Heights. Comment
  RSA0038417  Erigeron foliosus var. stenophyllus Lee Haines 1935-7-5 s.n. Los Angeles Little Dalton, San Gabriel Mts. Comment
  POM357559  Erigeron philadelphicus Anstruther Davidson 1890-05 2017 Los Angeles San Gabriel [River] near El Monte Comment
  SEINET3146649  Erigeron pumilus var. intermedius M. E. Jones 1897-6-18 sn Los Angeles Chat. [perhaps Chatsworth in Los Angeles Co.?] 1524 Comment
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Dec 18 2015
  RSA401526  Eriodictyon crassifolium var. nigrescens Robert M. Perkins 1936-5-3 159 Los Angeles San Gabriel Canyon. Comment
  RSA582769  Eriodictyon crassifolium var. nigrescens Tim S. Ross, Steve D. Boyd 1993-5-23 7221 Los Angeles Lower, easterly ridge of Red Mtn, on northerly slope 140-220 m SE of the saddle between Ruby and Clearwater Canyons. 951 Comment
  RSA638927  Eriodictyon crassifolium var. nigrescens Louis C. Wheeler 1946-8-27 6247 Los Angeles intersection of Angeles Crest Highway & Angeles Forest Highway on ridge between Arroyo Seco and Tujunga Canyon. 1113 Comment
  RSA762413  Eriodictyon crassifolium var. nigrescens Orlando Mistretta, Christine Mistretta 2008-5-9 3003 Los Angeles Southern California Edison transmission line corridor (Segment 11, structure 63) per TRTP Survey 2008), in the vicinity of Arroyo Seco Canyon. 844 Comment
  RSA0106570  Eriodictyon parryi R. G. Swinney 2011-6-14 15153 Los Angeles San Gabriel Mountains: upper Charlton Flat Campground, 0.53 air-mile SSW of the junction of Angeles Crest Hwy & Charlton Flat entrance road. 1646 Comment
  UCD119326  Eriodictyon trichocalyx var. trichocalyx Louis C. Wheeler 1973-7-21 s.n. Los Angeles San Gabriel Mountains: Ridge on divide between Big Tujunga and Devil Canyon 0.2 mile north of windy gap on Angeles Crest Highway. Comment
  CHSC113767  Eriogonum R. G. Swinney 2009-6-24 11272 Los Angeles Transverse Range; San Gabriel Mtns.: summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 miles south of Pacifico Mtn. Rd. 1918 Comment
  RSA771848  Eriogonum R. G. Swinney 2009-5-27 10909 Los Angeles South Fork Little Rock Creek, road between Alder Saddle and road to Sulphur Springs Campground, 4 m above canyon bottom along roadside 1591 Comment
  IRVC28811  Eriogonum angulosum A. C. Sanders 2003-8-5 27112 Los Angeles Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters NE end of Santa Susana Mtns. 320 Comment
  UCR126689  Eriogonum angulosum A. C. Sanders 2003-4-16 26024 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, under powerlines south of Magic Mountain Parkway, near I-5 and new golf course 366 Comment
  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
  RSA594643  Eriogonum baileyi var. baileyi Steve Boyd, Lauren Raz 1996-10-29 9112 Los Angeles Liebre Mountains region, Atmore Meadows area at the southeastern end of Liebre Mountain in a tributary drainage to the North Fork Fish Canyon. 1317 Comment
  RSA393150  Eriogonum cinereum Freda Detmers 1932-11-27 s.n. Los Angeles 3 miles N of mouth of Topanga Canyon. Comment
  UCR231164  Eriogonum cithariforme Dan S. Cooper 2011-10-18 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, Royce Canyon overlook along Mt. Hollywood Dr. 341 Comment
  RSA782511  Eriogonum davidsonii Anna Kostikova, Glenn Litsios, Sarah Burgy 2010-6-16 2 Los Angeles Angeles National Forest: Sawmill Mountain. Road 7N08 turn from Co Hwy N2, first major dirt road crossing. Comment
  VVC3076  Eriogonum davidsonii Tim Thomas, P. J. MacKay 2015-5-10 6618 Los Angeles San Gabriel Mtns, Jackson Lake 1896 Comment
  CAS-BOT-BC246424  Eriogonum deflexum var. deflexum James L. Reveal 1988-5-17 6795 Los Angeles Antelope Valley, along 60th Avenue 0.2 mile north of J Street, on the west side of the highway west of the Mira Loma Rehabilitation Center (or Detention Facility), about 6 air miles west of Lancaster 716 Comment
  CAS-BOT-BC249781  Eriogonum elongatum var. elongatum Ernest C. Twisselmann 1961-10-31 6681 Los Angeles Leona Valley, Liebre Mountains 929 Comment
  JEPS57016  Eriogonum elongatum var. elongatum Frank W. Peirson 1918-9-7 19 Los Angeles Toll Road (automobile road up Mt. Wilson) Mt. Wilson Comment
  POM305240  Eriogonum fasciculatum Henry J. Ramsey, Henry J. Ramsey 1937-5-27 566 Los Angeles Altadena, north Craig Ave. Comment
  RSA393508  Eriogonum fasciculatum Richard Arnold 1983-8-10 1022 Los Angeles LAX Dunes, Playa del Rey (El Segundo Blue survey) Area V3. Comment
  RSA799858  Eriogonum fasciculatum Monica Rodriguez, Michelle Terrazino, Naomi Fraga 2013-7-23 11 Los Angeles Glendora Ridge Road 1495 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
  LA200767  Eriogonum fasciculatum var. fasciculatum Jonathan Sauer; H. N. Sauer, J. Zadny, M. Zadny 1969-3-17 4393 Los Angeles Comment
  LA94753  Eriogonum fasciculatum var. fasciculatum Norman A. Cole; May 1964 3 Los Angeles 259 Comment
  CAS-BOT-BC253262  Eriogonum fasciculatum var. foliolosum Marcus E. Jones 1882-2-25 3019 Los Angeles Pasadena 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
  RSA650868  Eriogonum fasciculatum var. foliolosum Gene Cooper 1961-4-1 s.n. Los Angeles [Chantry] Flats, Above Altadena. Comment
  RSA670922  Eriogonum fasciculatum var. foliolosum Joseph M. Keefe 2001-1-19 30940 Los Angeles End of sidewalk along Eagle Rock View Drive, south facing slope, south face of the Eagle Rock. 293 Comment
  SEINET6418449  Eriogonum fasciculatum var. foliolosum Jack Russell 1967-11-18 Los Angeles South side od San Gabriel River, 1.5 miles below Morris Dam on state highway 39 244 Comment
  CAS-BOT-BC250114  Eriogonum fasciculatum var. polifolium LeRoy Abrams 1902-6-30 2608 Los Angeles Mt. Wilson. San Gabriel Mountains Comment
  UC205950  Eriogonum fasciculatum var. polifolium D. L. Crawford Los Angeles Mts. above Claremont Comment
  UC501515  Eriogonum fasciculatum var. polifolium J. Ewan 1931-5-30 4264 Los Angeles Short Cut Canyon, off West Fork San Gabriel River San Gabriel Mts., Short Cut Canyon, West Fork San Gabriel Ri 1219 Comment
  RSA0127575  Eriogonum fasciculatum var. polifolium Louis C. Wheeler 1967-7-18 10092 Los Angeles W side of ridge, SE of Yerba Buena Spring, Gold Creek. 1250 Comment
  RSA0035886  Eriogonum giganteum R. G. Swinney 2009-11-9 11581 Los Angeles confluence of Burro Canyon and East Fork San Gabriel River along Hwy 39 451 Comment
  SD129226  Eriogonum giganteum Andy C. Sanders 1988-5-18 7850 Los Angeles El Segundo Dunes, immediately W of L.A. Int. Airport and E of Vista Del Mar Blvd. Comment
  RSA158216  Eriogonum giganteum var. formosum Peter H. Raven 1962-7-10 17976 Los Angeles San Clemente Island, road near northwest end of island. Comment
  UC72558  Eriogonum gracile Dr. J. Q. Adams Sept. 1905 Los Angeles near Soldier's Home Comment
  RSA393232  Eriogonum gracile var. gracile Bonnie C. Templeton 1939-9-6 s.n. Los Angeles Playa del Rey. 40 Comment
  SEINET10479501  Eriogonum grande Jon Ricketson, Heidi H. Schmidt; Janet Takara 1992-10-20 Ricketson 4810 Los Angeles Santa Catalina Island; At the Airport In The Sky (Catalina Airfield). Planted native garden at the airport terminal. Airport 10.2 miles northwest of the city of Avalon. Collections made in cooperation with the Catalina Conservancy. 488 Comment
  RSA598216  Eriogonum grande var. grande Sara L. Crockett 1996-10-30 543 Los Angeles San Clemente Island: directly across from Casino. 9 Comment
  UC849450  Eriogonum grande var. grande Carl B. Wolf 1932-10-6 4248 Los Angeles w side of Avalon Santa Catalina Island, Avalon 60 Comment
  RSA226964  Eriogonum kennedyi var. alpigenum Robert F. Thorne 1971-8-25 41250 Los Angeles San Gabriel Mountains, Angeles National Forest: Summit of Throop Peak 2784 Comment
  SD230263  Eriogonum microthecum Louis C. Wheeler 1968-7-23 Los Angeles San Gabriel Mountains: Little rock Creek by the abandoned pumphouse and dam. 1951 Comment
  UC473446  Eriogonum ordii Ralph Hoffmann 1930-6-7 Los Angeles Piru Creek Comment
  SEINET7248274  Eriogonum plumatella R. G. Swinney 2009-1 11609 Los Angeles Transvers Range; San Gabriel Mountains/Mojave Desert: confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station. 921 Comment
  CAS-BOT-BC258229  Eriogonum pusillum R. F. Thorne; Walter Wisura; Suzanne Granger; Pamela Burton 1982-4-20 54982 Los Angeles San Gabriel Mountains: Mojave Desert slopes; 1/4-1/2 mile north of Bob's Gap, north slope of Holcomb Ridge, about 2.5 miles due south of Llano 1158 Comment
  RSA747326  Eriogonum pusillum R. G. Swinney 2005-8-11 8442 Los Angeles Big Rock Creek at Paradise Springs. 1439 Comment
  UCR29834  Eriogonum pusillum G. R. Ballmer 1983-5-19 s.n. Los Angeles Dry slope near Fort Tejon Rd. about 0.5 mi west of its intersection with Longview Rd., 3.5 mi south of Pearblossom 1016 Comment
  POM153362  Eriogonum roseum P. A. Munz, I. M. Johnston 1928-9-4 11155 Los Angeles Elizabeth Lake. Comment
  RSA65980  Eriogonum roseum F. W. Peirson 1921-11-11 2719 Los Angeles Elizabeth Lake. Comment
  SBBG64246  Eriogonum roseum R. Hoffmann 1927-8-31 Los Angeles E end of Bouquet Cyn Comment
  UCSB33296  Eriogonum roseum Griesel, Wesley; Miller, B. 1963-7-2 Los Angeles Sawmill Campground Sawmill Mt 1676 Comment
  CAS-BOT-BC262860  Eriogonum thurberi Alice Eastwood; John Thomas Howell 1937-4-26 3951 Los Angeles Mint Canyon Comment
  SBBG1442  Eriogonum thurberi H. and M. Dearing 1940-6-9 4358 Los Angeles Tujunga Wash Comment
  RSA761705  Eriogonum umbellatum R. G. Swinney 2008-10-10 9570 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  RSA674750  Eriogonum umbellatum var. munzii Scott D. White, Sandy Leatherman 2001-7-25 8727 Los Angeles San Gabriel Mts: Hawthorne Youth Camp. About 6 miles W of Wrightwood, just N of Big Pines Hwy, near Jackson Lake. 1860 Comment
  SD230265  Eriogonum umbellatum var. munzii Steve Boyd, Tmothy s. Ross, Laura Moore, Valerie Soza 1997-7-8 10014 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
  SBBG64210  Eriogonum vimineum R. Hoffmann 1928-11-11 Los Angeles Little Rock Dam Comment
  SEINET6088125  Eriogonum wrightii Louis C. Wheeler 1968-7-23 Los Angeles San Gabriel Mtns Comment
  RSA420585  Eriogonum wrightii var. subscaposum Anstruther Davidson 1926-08 s.n. Los Angeles Mt. San Antonio. Comment
  IRVC26190  Eriophyllum confertiflorum A. C. Sanders, Mark A. Elvin 2003-6-18 26949 Los Angeles around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon Santa Susana Mountains, Western Transverse Range 1037 Comment
  POM357925  Eriophyllum confertiflorum L. E. Hoffman 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles National Forest. Comment
  RSA527603  Eriophyllum confertiflorum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4428 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  SBBG127510  Eriophyllum confertiflorum M. L. Hoefs, S. A. Junak, K. Kirkland 1998-4-4 2838 Los Angeles bluff SE of Rippers Cove 6 Comment
  SD186083  Eriophyllum confertiflorum A. C. Sanders, Helen Kennedy 2005-4-13 29431 Los Angeles Santa Clarita area, lower Mint Canyon at the the community of Mint Canyon. 456 Comment
  SEINET13203149 Image available Eriophyllum confertiflorum R. G. Swinney 2010-1 11826 Los Angeles San Gabriel Mountains: Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. (Oat Mt. 7.5' Q.) 442 Comment
  SEINET3859914  Eriophyllum confertiflorum R. G. Swinney 2009-4-15 10344 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: north of Azusa, El Encanto Azusa River Wilderness Park.; 0 296 Comment
  LA31655  Eriophyllum confertiflorum var. confertiflorum Peter H. Raven; 1959-5-3 14088 Los Angeles Santa Monica Mountains, 1.6 mi W of Cahuenga Pass on Woodrow Wilson Dr 304 Comment
  RSA638928  Eriophyllum confertiflorum var. confertiflorum L. C. Wheeler 1967-5-15 9574 Los Angeles San Gabriel Mountains: South side Elmere Canyon near the mouth. 473 Comment
  SBBG8158  Eriophyllum confertiflorum var. confertiflorum R. Hoffmann 1929-5-21 Los Angeles Big Rock Crk Comment
  SD112730  Eriophyllum wallacei Darley F. Howe 1947-5-4 Los Angeles Near Vincent, western Mojave Desert. Comment
  SD252347  Erodium botrys Steven A. Junak 2000-6-30 Sca 1354 Los Angeles Santa Catalina Island: Above Airport Road, across from Wrigley Reservoir, at turnoff for East Summit Vista area. 427 Comment
  UCD103102  Erodium botrys Louis C. Wheeler 1947-4-13 6467 Los Angeles Rio Hondo: 1/4 mile upstream from Rosemead Boulevard near El Monte. Comment
  SD232259  Erodium cicutarium V. Soza, LeRoy Gross 2001-5-14 1216 Los Angeles Transverse Ranges, San Gabriel Mountains region: Santa Anita 1999 Fire area, above Santa Anita Canyon, ca. 0.7 mile west of the Santa Anita Dam. 762 Comment
  CDA4670  Erodium cicutarium L. C. Wheeler 1967-5-15 9605 Los Angeles Transverse Ranges; San Gabriel Mountains region; San Gabriel Mountains: Whitney Canyon near Newhall Comment
  RSA652311  Erodium cicutarium Marion P. Harthill 1972-4-8 s.n. Los Angeles Glendora Mt. Rd. 1067 Comment
  IRVC29550  Erodium macrophyllum A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-29 26152 Los Angeles Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east Lake Hughes Rd. Western San Gabriel Mtns. 488 Comment
  UCR184101  Erodium macrophyllum A. C. Sanders 2007-4-13 33406 Los Angeles Tehachapi Mtns. Foothills, southeast of National Cement Plant, along creek just below Kern Co. line 1006 Comment
  RSA70493  Erodium moschatum F. W. Peirson 1919-2-28 2023 Los Angeles At Frank Peirson residence, 1085 New York Drive, Altadena Comment
  UC17101  Erodium moschatum J. H. Barber 1897-3-16 62 Los Angeles Santa Monica Forestry Station Comment
  CAS-BOT-BC40715  Erysimum capitatum R. C. Foster 1937-2-26 7 Los Angeles Along Mount Baldy Road, east of Monte Vista Ave. Claremont. Comment
  CAS-BOT-BC40782  Erysimum capitatum Le Roy Abrams 1901-4-1 1339 Los Angeles Chatsworth Park. Comment
  RSA724807  Erysimum capitatum K. Dobry 1991-6-24 d- 735 Los Angeles At Soka Univ. Santa Monica Mts. Las Virgenes and Mulholland Hwy. Comment
  UCR271045  Erysimum capitatum R. G. Swinney 2011-6-6 15012 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  POM184678  Erysimum capitatum var. capitatum Joseph A. Ewan 1932-5-29 7219 Los Angeles Mount Gleason 1737 Comment
  RSA651299  Eschscholzia caespitosa Lori Ackerman, Gerald Braden 1988-5-20 35 Los Angeles North end [bank] of West Fork [San Gabriel] River, San Gabriel Mountains. Comment
  UCR197195  Eschscholzia caespitosa Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 728 Los Angeles Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999 518 Comment
  RSA757995  Eschscholzia californica D. E. Bramlet, Jennifer Pareti 2008-4-14 4181 Los Angeles Transverse Ranges: Liebre Mtns reg: Bouquet Cyn.; Creek SE of Bouquet Cyn Rd and Vasquez Cyn. Road. Comment
  CAS-BOT-BC403164  Eschscholzia californica Ezra C. Knopf No date on label 72 tris sheet Los Angeles Santa Catalina Island Comment
  RSA316363  Eschscholzia minutiflora Robert F. Thorne, Walter Wisura, S. Granger, Pamela Burton 1982-4-20 54987 Los Angeles 1/4-1/2 mile north of Bob's Gap, north slope of Holcomb Ridge, about 2.5 miles due south of Llano. 1159 Comment
  RSA445473  Eschscholzia ramosa M. B. Dunkle 1939-4-6 7301 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  SEINET12190762  Eucalyptus W. F. Wight 1907-1 1678 Los Angeles West Lake Park, Los Angeles Comment
  UCR178041  Eucalyptus viminalis LeRoy Gross 2003-1-25 686 Los Angeles Transverse Ranges: Santa Susana Mountains, Johnston's Motorway from Indian Springs Estates (private homes) but with trail easement at gated end of Iverson Road off Santa Susana Pass Road. climbs to main crest 610 Comment
  CDA9421  Eucrypta chrysanthemifolia D. G. Kelch 1991-3-23 s.n. Los Angeles Catalina Island. East of Avalon. Comment
  RSA628890  Eucrypta chrysanthemifolia var. chrysanthemifolia Louis C. Wheeler 1969-5-4 s.n. Los Angeles East side Little Tujunga Canyon, 3/4 mile south southeast Herreres Ranch. 549 Comment
  UCR255849  Eulobus californicus R. G. Swinney 2010-5-4 12484 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  LA46655  Eulobus californicus C. S. Venkatesh; 1957-7-1 3 Los Angeles Comment
  CDA20474  Euphorbia dendroides Pearson 2004-4-21 PDR 1251265 Los Angeles Southwestern California; New York Ave in Pasadena. 0 Comment
  OBI35591  Euphorbia lathyris Rebecca Cicoria 1981-5-17 38 Los Angeles Landslide area off Narcissa Dr in Portuguese Bend, Rancho Palos Verdes Comment
  RSA661031  Euphorbia misera Orlando Mistretta 1992-4-5 174 Los Angeles Guds, San Clemente Island. Comment
  SD69023  Euphorbia peplus Robert F. Thorne, B. Propst 1968-5-29 37702 Los Angeles Santa Catalina Island, bed of Hermit Gulch off Avalon Canyon 89 Comment
  CDA36825  Euphorbia peplus M. O Brien 2012-1-26 s.n. Los Angeles Malibu; La Piedra State Beach. 0 Comment
  RSA214616  Euphorbia peplus Joseph A. Ewan 1932-2-20 7022 Los Angeles Mandeville canyon, at Administration bldg. Santa Monica Mtns. Comment
  IRVC26352  Euphorbia polycarpa A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26047 Los Angeles Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park NE end of Santa Susana Mtns. 366 Comment
  PASA700  Euphorbia polycarpa Annetta Carter 1929-1-6 Los Angeles Near mouth of Big Santa Ana Comment
  CDA4882  Euphorbia terracina T. C. Fuller 1967-10-23 16495 Los Angeles Botanic Garden, UCLA., Westwood. Comment
  RSA0056248  Festuca arundinacea Orlando Mistretta, Mike Hammit 1991-4-15 s.n. Los Angeles San Francisquito Canyon. 543 Comment
  SBBG131543  Festuca arundinacea S. A. Junak 1999-7-16 SCa 1043 Los Angeles near pier at Two Harbors 4 Comment
  SBBG17765  Festuca microstachys P. H. Raven 1962-5-9 17672 Los Angeles head of gully, cyn at S end of Mosquito Cove 320 Comment
  UCR188925  Festuca microstachys R. G. Swinney 1998-5-16 6102 Los Angeles San Gabriel Mountains/Mojave Desert, near Pinon Hills, Mescal Highlands, Graham Canyon, 1.7 mi. N of Panorama Way at Graham Cyn. Motorway, 0.6 mi. S of Ft. Tejon Rd. 1220 Comment
  SBBG20185  Festuca microstachys var. pauciflora M. A. Piehl 1963-5-18 63305 Los Angeles above Camp 3 along hwy, Bouquet Cyn, NE of Saugus Comment
  SEINET13203119 Image available Festuca myuros R. G. Swinney 2010-1 12493 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. (San Fernando 7.5' Q.) (T3N R15W S20) 488 Comment
  UCR255773  Festuca myuros R. G. Swinney 2010-5-4 12493 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  LA13080  Festuca myuros O. A. Plunkett; 1926-3-28 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  SBBG59372  Festuca perennis R. Hoffmann -May-1928 Los Angeles Los Angeles 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
  RSA158332  Filago arizonica Peter H. Raven 1962-4-12 17314 Los Angeles San Clemente Island, west side of island: between canyon below the Tomb and next canyon south. 107 Comment
  RSA188165  Filago californica R. F. Thorne 1966-4-7 35940 Los Angeles Santa Catalina Island: Cherry Valley 61 Comment
  RSA602057  Filago californica Scott D. White 1997-5-7 5057 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mountains SW of I-210 freeway, E of Hansen Dam, and N of Wentworth St. 320 Comment
  UCR281408  Filago depressa R. G. Swinney 2014-4-30 16295 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
  RSA464877  Forestiera pubescens Freda Detmers 1931-5-17 s.n. Los Angeles Mint Canon. [canyon] Comment
  RSA464878  Forestiera pubescens G. R. Johnstone 1930-3-30 s.n. Los Angeles Mint Canyon, 14 mi from Saugus. Comment
  SBBG26943  Frangula californica subsp. californica I. W. Clokey, B. Templeton -Apr-1929 4442 Los Angeles Mandeville Cyn 200 Comment
  CAS-BOT-BC223745  Frankenia salina L. R. Abrams; I. L. Wiggins 1931-7-7 402 Los Angeles Catalina Harbor, Santa Catalina Island Comment
  CAS-BOT-BC223418  Fraxinus dipetala P. C. Everett; E. K. Balls 1959-6-29 23869 Los Angeles 2 mi. from Seminole Hot Springs, Santa Monica Mts. 487 Comment
  RSA464907  Fraxinus dipetala Luellapearl Hammer 1929-05 s.n. Los Angeles Arroyo Canyon Comment
  RSA547829  Fraxinus dipetala Tim S. Ross, Peter Fritsch 1990-6-20 3640 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
  RSA0091198  Fraxinus dipetala Bonnie C. Templeton 1952-6-19 s.n. Los Angeles Bouquet Canyon. Comment
  UCR220353  Fraxinus pennsylvanica subsp. velutina R. G. Swinney 2009-4-13 10327 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte 184 Comment
  CAS-BOT-BC218563  Fraxinus velutina I. M. Johnston 1918-7-28 2097 Los Angeles San Gabriel River at El Monte 91 Comment
  POM3589  Fraxinus velutina L. R. Abrams, E. A. McGregor 1908-6-22 400 Los Angeles Between Oakgrove Canon & Elizabeth Lake - Liebre Mts. Comment
  RSA320396  Fraxinus velutina Walter Wisura, B. Haner 1984-10-17 4024 Los Angeles 4.3 mi. fr. Hwy. 39 along W fork of San Gabriel River. Comment
  RSA465214  Fraxinus velutina var. coriacea Robert Gustafson 1981-4-14 2161 Los Angeles Ballona Wetlands, Area 2. Comment
  RSA590598  Fremontodendron californicum subsp. californicum Tim S. Ross, W. Appleby 1993-5-13 7130 Los Angeles Western San Gabriel Mountains: 600 meters, 346 NNW of Wilson Canyon Saddle, at the head of Whitney Canyon, about 100-120 meters WSW of the 3151-foot ridgetop knoll. 933 Comment
  RSA367748  Fritillaria pinetorum M. Vincent 1962-5-7 238 Los Angeles Big Pine Camping Area, Camp Manzanita Comment
  POM129917  Funastrum cynanchoides var. hartwegii Mattie Reed 1892-4-19 11070 Los Angeles Pomona. Comment
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Oct 3 2010
  RSA535883  Galium andrewsii subsp. andrewsii Tim S. Ross 1991-9-2 5906 Los Angeles Santa Monica Mtns. Near Mulholland Highway x Yerba Buena Rd. 473 Comment
  RSA571544  Galium andrewsii subsp. intermedium Steve D. Boyd, D. L. Banks, Orlando Mistretta 1994-4-29 8309 Los Angeles Northern slope of the San Gabriel Mountains, Angeles National Forest, side draw on southeastern side of Mt. Emma, Santiago Canyon drainage. 1159 Comment
  UCD121578  Galium angustifolium A. C. Sanders; D. Malueg 1998-6-22 22021 Los Angeles San Gabriel Mtns.: Altadena, ca. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Ln., and along trail to the NE. 549 Comment
  UCR213459  Galium angustifolium A. C. Sanders, Karen Kirtland 2010-5-14 38355 Los Angeles South Coast, Palos Verdes Peninsula, San Ramon Canyon in city of Rancho Palos Verdes, near Los Angeles city boundary 201 Comment
  UCSB9394  Galium angustifolium McElwain, Isabelle 1953-5-4 Los Angeles 18000 Bull Canyon Rd. Granada Hills Comment
  POM367655  Galium angustifolium subsp. angustifolium C. B. Liter, J. A. Powell 1928-4-5 s.n. Los Angeles Banning Canyon, Santa Catalina Island. Comment
  RSA647797  Galium angustifolium subsp. angustifolium LeRoy Gross, Laura Moore 2000-6-5 208 Los Angeles Verdugo Mountains: Canyon east of Brand Canyon by the Brand Lateral Trail, out of Brand Park, north of corners of Grandview and Mountain, Glendale. 274 Comment
  POM263143  Galium angustifolium subsp. gabrielense J. C. Roos 1937-7-18 400 Los Angeles Upper San Antonio Canyon. Comment
  RSA747367  Galium angustifolium subsp. nudicaule Orlando Mistretta 1994-7-12 1404 Los Angeles Transverse Ranges; San Gabriel Mtns region: Along trail, S. Fork of Big Rock Creek. Surveying from Reed Spring to Islip Saddle. 1982 Comment
  RSA0089852  Galium angustifolium var. angustifolium Dean Wm. Taylor 2003-5-29 18605 Los Angeles San Gabriel Mountains, Cold Springs Canyon, along Angeles National Forest Road 1N29 (Silver Fish Road) 1.3 miles E of the junction, Road 1N36. 868 Comment
  CATA3326  Galium aparine Amy Catalano 2017-4-13 043 Los Angeles Santa Catalina Island: Edge of small rivulet about 170 meters SW of junction of Silver Peak and Water Tank roads 291 Comment
  UCR186760  Galium aparine T. B. Salvato, Sandra Murcia 2007-3-28 2011 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
  UC1952588  Galium aparine M. B. Dunkle 1939-4-3 7220 Los Angeles Chenietti Canyon, San Clemente Island. Comment
  RSA535744  Galium catalinense subsp. acrispum Tim S. Ross 1991-5-23 5493 Los Angeles San Clemente Island: lower Tota Canyon, middle of island, eastern escarpment 81 Comment
  SD49394  Galium catalinense subsp. acrispum Reid Moran 1959-3-9 7168 Los Angeles San Clemente Island, on canyon wall, 2 miles SE of Eel Point 99 Comment
  UCR68925  Galium catalinense subsp. acrispum Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4263 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  CAS-BOT-BC217509  Galium grande L. Street 1918-5-19 s.n. Los Angeles Mt. Wilson Trail Comment
  RSA678821  Galium grande Valerie L. Soza, Monica Acosta 2001-6-19 1296 -b Los Angeles Mt. Wilson Trail helispot, west side Little Santa Anita Canyon, ca. 2 miles from the Mt. Wilson trailhead in Sierra Madre. 823 Comment
  RSA454384  Galium hallii Cameron Blake, Jane Turner, Francis M. Ball 1962-6-2 972 Los Angeles ca. 5 mi. NW of Big Pines on road to Valyermo 1768 Comment
  JEPS114008  Galium johnstonii Timothy S. Ross 1992-7-17 6724 Los Angeles San Gabriel Mountains: ca 300 m W of the summit of Condor Peak. Comment
  JEPS56041  Galium johnstonii Lauramay T. Dempster 1966-6-16 4234 Los Angeles along Angeles Crest Hwy 2.9 mi above Upper Chilao Recreation Area Comment
  RSA774803  Galium johnstonii R. G. Swinney 2009-7-23 11399 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA454421  Galium nuttallii subsp. insulare F. R. Fosberg 1931-4-23 S- 4688 Los Angeles Santa Catalina Island. Headwaters of Swain's Canyon, NE slopes of Black Jack Mountain. 350 Comment
  RSA67145  Galium parishii F. W. Peirson 1922-7-5 3158 Los Angeles North of Big Pines, sometimes called La Montaine, San Gabriel Mountains 2256 Comment
  RSA530075  Galium porrigens var. porrigens Tim S. Ross 1991-8-16 5857 Los Angeles San Gabriel Mountains, Horse Flats. 1721 Comment
  RSA562546  Gamochaeta pensylvanica Steve Boyd, Walter Appleby 1993-4-22 8000 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon. 854 Comment
  RSA656219A  Gamochaeta pensylvanica Joseph M. Keefe 1978-5-23 23249 -A Los Angeles San Rafael Mountains; Disturbed chaparral near path; 100 meters east of cafeteria, Glendale College, 1500 North Verdugo Road, Glendale. 287 Comment
  RSA252708  Garrya flavescens var. pallida Michael C. Long 1974-3-24 s.n. Los Angeles Devil's Punchbowl Co. Park, Punchbowl Canyon. 1372 Comment
  UCR143374  Garrya veatchii L. C. Wheeler 1931-12-30 424 Los Angeles San Gabriel Mtns, San Antonio Wash 671 Comment
  LA40331  Garrya veatchii Robert Fowler; 1933-5-20 4285 Los Angeles San Gabriel Mountains Comment
  UCD119671  Genista monspessulana Annabelle Kleist 2009-4-11 Web- 36 Los Angeles Claremont, Webb Canyon Road. Comment
  RSA29725  Geranium carolinianum Louis C. Wheeler 1932-5-27 770 Los Angeles Burbank Canyon, W Thompson Creek Dam. 518 Comment
  RSA512062  Geranium rotundifolium Louis C. Wheeler 1967-7-30 10263 Los Angeles San Gabriel Mountains. Big Cienaga Trail Canyon. 1143 Comment
  SD237555  Gilia R. G. Swinney 2008-6-17 9047 Los Angeles San Gabriel Mountains: ridge west of Jackson Flats, 0.4 mile MW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26 (Valyermo 7.5'Q) 2160 Comment
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Dec 7 2018
  UCR185591  Gilia A. C. Sanders 2007-4-25 33587 Los Angeles Tehachapi Mtns., Oso Canyon, 0.75 mi. SE of the Kern Co. line along Oso Cyn. Rd. 1143 Comment
  UCR277244  Gilia R. G. Swinney 2011-4-19 14392 Los Angeles San Gabriel Mountains, San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  RSA787205  Gilia abrotanifolia J. D. Olmsted 1962-4-30 405 -B Los Angeles 1960 Johnstone Peak burn, from West Fork of San Dimas Creek to Wolfskill Falls 457 Comment
  RSA0080783  Gilia angelensis R. G. Swinney 2010-4-15 12259 Los Angeles Indian Canyon, at confluence with Lopez Cyn., east side of Lopez Cyn. Road, NE side of jct. of Lopez Cyn. Rd. and Bailey Rd., outside forest service boundary. 415 Comment
  RSA11030  Gilia angelensis C. B. Wolf 1928-3-29 1598 Los Angeles Castaic; South base of Ridge Route road 396 Comment
  RSA191136  Gilia angelensis R. F. Thorne, M. Z. Thorne 1967-6-25 237112 Los Angeles Evey Canyon 716 Comment
  SBBG91841  Gilia angelensis S. A. Junak 1978-4-15 SCa 019 Los Angeles N side of Cherry Cove, just E of Chester Grave (1901 grave) 15 Comment
  SFV22059  Gilia angelensis V. Soza, L. Gross, B. Hogshead 2001-4-18 1162 Los Angeles Verdugo Mountains Verdugo Mountains. Ridgetop above McDonald Creek. 457 Comment
  UC880099  Gilia angelensis C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-5-13 4764 Los Angeles Bouquet Canyon Comment
  UCD117604  Gilia angelensis Robert F. Thorne; M. Z. Thorne 1967-6-25 37112 Los Angeles San Gabriel Mountains, Evey Canyon. 716 Comment
  UCR125487  Gilia angelensis A. C. Sanders, Mark Elvin 2003-4-14 25965 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
  UC909024  Gilia angelensis Herbert L. Mason 1926-4-26 2942 Los Angeles upper road Pacoima Wash foothills San Gabriel Mountains, Pacoima Wash (foothills of San Gabriel Mountains) Comment
  RSA524615  Gilia brecciarum subsp. brecciarum Tim Ross, Steve Boyd 1990-5-17 2584 Los Angeles Mill Creek Tree Plantation, Tujunga District, Angeles National Forest. 1613 Comment
  RSA778741  Gilia brecciarum subsp. brecciarum Orlando Mistretta, Christine Mistretta 2010-6-1 5232 Los Angeles Transverse Ranges; San Gabriel Mountains region: Mill Creek Canyon; along Southern California Edison transmission line corridor; approx. 1.0 air miles S of Mill Creek summit, near spur road to Falcon Mine. 1280 Comment
  RSA670430  Gilia capitata I. W. Clokey, B. C. Templeton 1929-03 4476 Los Angeles Mandeville Canyon, Santa Monica Mountains. 350 Comment
  UCR192206  Gilia capitata A. C. Sanders 2008-4-16 34901 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
  RSA698340  Gilia capitata Elisabeth Norland 1929-4-14 s.n. Los Angeles Hansen-Calif-Sandy field along roadside. Comment
  LA103477  Gilia capitata subsp. abrotanifolia Barry A. Prigge; 1986-4-27 7108 Los Angeles Tehachapi Mountains, 0.4 mi. E of Gorman on Lancaster Road 1127 Comment
  RSA607026  Gilia capitata subsp. abrotanifolia L. C. Wheeler 1968-5-24 s.n. Los Angeles San Gabriel Mountains: Northwest slope of Smith Mountain, along Bear Creek Trail. 1280 Comment
  RSA67708  Gilia capitata subsp. abrotanifolia Verne Grant, Alva Grant 1952-4-23 17580 Los Angeles Foothills, s. side of Antelope V., rd. to Lake Hughes. Comment
  SBBG51638  Gilia capitata subsp. abrotanifolia R. Gustafson, C. Davidson 1977-4-20 411 Los Angeles San Clemente Island 762 Comment
  UCR146332  Gilia capitata subsp. abrotanifolia James Henrickson 1985-3-30 19793 Los Angeles Western Transverse Range, c. 3 air miles NNW of Newhall in proposed North Hills development just north of Santa Clara River and just east of San Francisquito Creek 381 Comment
  UCR159912  Gilia capitata subsp. abrotanifolia Orlando Mistretta 1992-7-13 680 Los Angeles Transverse Ranges; San Gabriel Mountains region, Los Pinetos Spring Canyon Trail 915 Comment
  UCD117690  Gilia capitata subsp. abrotanifolia Collector unknown 1923-5-22 273 Los Angeles Plume trail, Eaton Canyon. Comment
  UCR4033  Gilia latiflora Val Chase 1965-4-12 39 Los Angeles Mojave Desert, 2 mi north of Pinyon Hills on road from Cajon to Palmdale (Hwy 138), roadside to the west 1220 Comment
  UCSB33622  Gilia latiflora subsp. davyi Griesel, Wesley 1962-3-24 Los Angeles Quartz Hill; Mojave Desert 914 Comment
  RSA469371  Gilia latiflora subsp. latiflora Elbert Benjamine 1929-3-31 131 Los Angeles Antelope Valley. Comment
  SBBG5867  Gilia latiflora subsp. latiflora H. and M. Dearing 1949-4-27 6759 Los Angeles Lancaster 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
  SEINET7040199  Gilia latifolia A. G. Vestal 1962-3-30 s.n. Los Angeles Yacca stand, Antelope Valley, south of Willow Springs. Little Buttes Quadrangle UTM Zone 11, 377584mE, 3848202mN. Comment
  UCR238626  Gilia modocensis Anuja Parikh, Nathan Gale 2010-5-12 3159 Los Angeles Western Mojave Desert, Antelope Valley, 3.9 km south of Hwy 138, 0.2 km west of 120th St. West, under power transmission lines 783 Comment
  CAS-BOT-BC225497  Gilia nevinii Robert F. Thorne 1973-4-12 42976 Los Angeles Large canyon S of Mosquito Cove N of Chenity, San Clemente Is. 274 Comment
  CAS-BOT-BC402001  Gilia ochroleuca subsp. bizonata Steve Boyd; Lauren Raz 1997-3-31 9447 Los Angeles Liebre Mountains Region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluial valley at head of Cienaga Canyon, south of Liebre Mountain 1158 Comment
  CAS-BOT-BC402023  Gilia ochroleuca subsp. bizonata Peter H. Raven 1958-3-23 11967 Los Angeles Above Big Rock Creek along road 4.3 miles south of Pearblossom Comment
  SD114220  Gilia ochroleuca subsp. bizonata Darley F. Howe 1947-5-6 1564 Los Angeles North face of San Gabriel Mountains. 1676 Comment
  CAS-BOT-BC407852  Gilia ochroleuca subsp. ochroleuca Alva Day 1973-4-23 73102 Los Angeles Hwy 138, 4.1 mi. W of Los Angeles Co. line Comment
  RSA0007322  Gilia sherman-hoytiae P. A. Munz, T. Craig 1933-5-13 12925 Los Angeles 10 miles south of Muroc. Comment
  SFV13336  Glebionis coronaria M. J. Thor 1983-4-8 161 Los Angeles Los Angeles Basin Playa del Rey, Ballona Wetlands. 2 Comment
  SD241005  Glycyrrhiza lepidota Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-20 8030 Los Angeles UTM in supplement. Antelope Valley, along west side of Sierra Highway, near Amargosa Creek drainage, 500 m south of Avenue E and 1.1 km north of Avenue. 703 Comment
  POM98120  Gnaphalium beneolens I. M. Johnston 1924-9-4 s.n. Los Angeles Arcadia. Comment
  RSA127921  Gnaphalium californicum Peter H. Raven, H. J. Thompson 1959-6-4 14326 Los Angeles Santa Monica Mountains. Point Dume. 46 Comment
  POM306280  Gnaphalium californicum Henry J. Ramsey, Henry J. Ramsey 1938-5-22 1398 Los Angeles North Craig Ave., Altadena. Comment
  RSA293893  Gnaphalium californicum Lyman Benson 1947-4-30 12347 Los Angeles Indian Hill, Claremont. 427 Comment
  POM244226  Gnaphalium chilense F. R. Fosberg 1931-3-23 4338 Los Angeles Hamilton Canyon, Santa Catalina Island. 15 Comment
  RSA596194  Gnaphalium microcephalum Lauren Raz, S. D. Boyd 1996-10-23 027 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
  RSA597398  Gnaphalium microcephalum Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5059 Los Angeles San Clemente Island, Lower Wilson Cove Canyon, bouldery, rocky draw SW and above pier aperations. 15 Comment
  POM358900  Gnaphalium palustre L. C. Wheeler 1934-3-31 2496 Los Angeles La Verne 305 Comment
  RSA0127385  Gnaphalium palustre Louis C. Wheeler 1967-7-20 10128 Los Angeles Aliso Canyon. 1067 Comment
  RSA596080  Gnaphalium stramineum Timothy S. Ross, S. D. Boyd 1995-6-28 8649 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 707 Comment
  RSA702963  Grayia spinosa Scott D. White, Michael Honer 2004-3-30 9975 Los Angeles Eastern edge of the City of Palmdale, ca. 1 mile west-northwest of Four Points 838 Comment
  POM178029  Grindelia hirsutula J. Ewan 1931-5-11 4184 Los Angeles Vacant lot at Bonnie Brae Beverly Comment
  RSA0077297  Guillenia lasiophylla R. F. Thorne, Jim Henrickson 1963-5-5 32282 Los Angeles Cobal Canyon, Foothills of San Gabriel Mts., 4 miles N of Claremont. 518 Comment
  RSA248889  Guillenia lasiophylla R. F. Thorne 1973-4-11 42860 Los Angeles San Clemente Island, middle portion of Norton Canyon. 274 Comment
  UC1118600  Gutierrezia californica A. D. Gifford 1935-1-22 420 Los Angeles 3.7 mi s Red Mountain (in Charlie Canyon); Tejon Quad. 609 Comment
  CHSC100219  Gutierrezia sarothrae John Dittes; Josephine Guardino 2006-11-25 1434 Los Angeles Western Transverse Range; San Gabriel Mtns.; Little Tujunga Cyn; ca. 1.6 air-miles northeast of Pacoima Reservoir Dam, ca. 3.8 air-miles southwest of Magic Mountain Communication Facility, ca. 0.8 air-miles southeast of Bear Divide; Upslope (north of Little Tujunga Road. 681 Comment
  SEINET10630417  Haematoxylum campechianum Mary Merello, Heidi H. Schmidt 1999-12-3 Merello 2517 Los Angeles City of Pasadena. Farm Fresh Ranch Market, 475 E. Orange Grove Blvd. Comment
  UCR274078  Hainardia cylindrica Steven A. Junak, Mark Hoefs 1998-6-12 SCa- 732 Los Angeles Channel Islands, Santa Catalina Island, along Banning House Road, c. 1.0 mile from Two Harbors 229 Comment
  SBBG116969  Harpagonella palmeri S. A. Junak with K. Kirkland 2001-4-13 SCa 1439 Los Angeles Middle Cyn, between upper part of Middle Cyn Rd and crk bottom (S of rd), ca. 0.4 mi from intersection with Airport Rd (UTM: 11S, 0371844E, 3692223N) 347 Comment
  RSA653929  Hazardia squarrosa Valerie L. Soza, Wayne Law, Laura Moore 2000-6-27 1031 Los Angeles San Gabriel Mountains: Firebreak above Upper Winter Creek Trail, ca. 2 miles northwest of Chantry Flat along FS Road 2N41.2, north of San Olene Canyon. 822 Comment
  SBBG128125  Hazardia squarrosa M. Zou, A. Cheung, D. Kasang, S. Lawrence-Gomez, S. Raray 2011-7-8 19 Los Angeles Deer Valley Trail 23 Comment
  JEPS20193  Hazardia squarrosa var. grindelioides John Thomas Howell 1927-10-16 3154 Los Angeles trail between Sierra Madre and Santa Anita Canyon; San Gabriel Mts. Comment
  POM182396  Hazardia squarrosa var. grindelioides J. Ewan 1931-10-24 5294 Los Angeles Escondido Canyon, Santa Monica Mts. 305 Comment
  CAS-BOT-BC309437  Helenium puberulum Scott D. White; Dave Bramlet 1998-8-11 7041 Los Angeles San Gabriel Mts. West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mi closed section of Hwy. 39 from ca. 1.6 mi W of jtn. Crystal Lk. access rd. to jtn. Hwy 2 2010 Comment
  CAS-BOT-BC223977  Helianthemum scoparium Louis C. Wheeler 1967-5-23 9696 Los Angeles San Gabriel Mountains: Near mouth of Bear Canyon, off Soledad Canyon Comment
  LA210087  Helianthemum scoparium J. Fisher; 1940-4-22 sn Los Angeles Santa Monica Mountains, Franklin Canyon Comment
  CAS-BOT-BC305429  Helianthus annuus Marcus E. Jones 1926-5-20 s.n. Los Angeles Mountains near Claremont Comment
  UC32263  Helianthus annuus J. Burtt Davy Oct 1896 2849 Los Angeles Pomona Comment
  UCR281651  Helianthus annuus R. G. Swinney 2014-5-27 16656 Los Angeles San Gabriel Mountains, Glendora, ridge between east and north forks of Hook Cyn., c. 400 m south of Glendora Ridge Mtwy. & 200 m north of Church of the Open Door, NE of Hook Cyn. debris basin 445 Comment
  CAS-BOT-BC305423  Helianthus annuus Herman Knoche 1919-7-14 Series A, No. 1054 Los Angeles Unspecified Comment
  UCR204896  Helianthus gracilentus R. G. Swinney 2008-4-1 8601 Los Angeles San Gabriel Mtns., ridge north of and adjacent to Sharps Canyon, c. 2 miles due N of Glendora 671 Comment
  SD249144  Helianthus inexpectatus Mark Elvin 2014-9-12 Los Angeles Western Transverse Range, Newhall Ranch, large natural spring at north foot of Airport Mesa 0.75 mile SW of Castaic Junction, above confluence of Castaic Creek with Santa Clara River. 305 Comment
  UC1751200  Helianthus nuttallii subsp. parishii Ken Koch Aug 2002 Los Angeles Newhall Ranch area, Santa Clara River floodplain south of Hwy 126 west of Intersatate 5 (location marked on map; provided by Mary Showers of Calif. Dept. Fish & Game Comment
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May 1 2014
  RSA782112  Heliotropium curassavicum A. C. Sanders, Dan S. Cooper 2010-4-30 38143 Los Angeles Madrona Marsh, Torrance. 24 Comment
  CHSC35815  Helminthotheca echioides Philip A. Silverstone 1978-8-12 276 Los Angeles State 1 between Malibu and Pt. Dume, Corral State Beach, sea side of highway. Comment
  UCR131375  Hemizonia australis Jeremiah George 2000-8-22 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  RSA605658  Hemizonia kelloggii L. C. Wheeler 1965-6-21 8696 Los Angeles Liebre Mountain: Two Shay Ranch, Bouquet Canyon. Comment
  UCR217143  Hemizonia minthornii Jonas A. Winbolt, Rocky Brown 2010-8-23 001 Los Angeles Western Transverse Range, east side of Simi Hills, Chatsworth, west of drainage within Santa Susanna Historical Park, near Oak Park Cemetery 322 Comment
  RSA617363  Herniaria hirsuta subsp. cinerea Steve Boyd, Richard K. Brummitt, Laura Moore 1998-5-26 10228 Los Angeles Liebre Mountains region: head of Charlie Canyon at the south base of Red Mountain between San Francisquito and Elizabeth Lake canyons, near the intersection of Forest Service roads 5N30 and 5N17. 609 Comment
  CAS-BOT-BC135901  Hesperoyucca whipplei Dr. Barton W. Evermann 1916-5-15 s.n. Los Angeles Newhall Comment
  SD260144  Hesperoyucca whipplei R. G. Swinney 2010-5-19 12807 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 National Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 1335 Comment
  UCR259071  Hesperoyucca whipplei R. G. Swinney 2010-5-19 12807 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
  UC1211086  Heteromeles arbutifolia Huron H. Smith 1912-5-1 4902 Los Angeles Eagle Rock Valley 152 Comment
  UCR273292  Heteromeles arbutifolia R. G. Swinney 2011-10-18 15841 Los Angeles San Gabriel Mountains, 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2 1021 Comment
  CAS-BOT-BC318875  Heterotheca grandiflora Marcus E. Jones 1882-3-7 3614 Los Angeles Pasadena Comment
  CHSC92805  Heterotheca grandiflora John Dittes 2006-1-2 1305 Los Angeles Transverse Ranges; San Gabriel Mtns.; Big Tujunga Cyn; ca. 3.2 air-miles SW of Gold Cyn Saddle, 1.3 airmiles NE of intersection of Sunland Blvd and 210 Fwy, 1.1 air-mile NW of Verdugo Hills Highschool; near Oro Vista Ave where it crosses Big Tujunga Creek; edge of floodplain of Big Tujunga Creek. 393 Comment
  SD107810  Heterotheca grandiflora Larry DeBuhr, Gary Wallace 1972-9-1 688 Los Angeles San Clemente Island; West Cove on northwest side of island. Comment
  SD69787  Heterotheca grandiflora Robert F. Thorne 1966-4-5 35801 Los Angeles Santa Catalina Island, along paved road on north slope of Black jack Mountain 1349 Comment
  UC1577652  Heterotheca sessiliflora subsp. fastigiata Jerome S. Horton 1935-9-20 237 Los Angeles near C.C.C. Camp; Pomona Quad., Dalton Canyon Wash 304 Comment
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Sep 22 2020
  UCR259379  Heterotheca sessiliflora subsp. fastigiata R. G. Swinney 2010-5-7 12608 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, 150 m to 0.2 miles west of I-210 Fwy. overpass along Haines Canyon stream channel/ south fork of Big Tujunga Wash 357 Comment
  UC494222  Heuchera elegans Thomas R. Gaines Los Angeles Mt. Lowe 1584 Comment
  RSA0063113  Heuchera elegans T. S. Ross, Steve Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3808 Los Angeles Ridgetop to the W of Crystal Lake [ridge descending SSW from Mt. Islip]. 1866 Comment
  RSA0066121  Heuchera elegans T. S. Ross, Steve Boyd 1990-5-23 2623 Los Angeles San Gabriel Mountains, Mt. Gleason Area: north-northwesterly ridge descending from Messenger Peak (6015 ft), near the headwaters of Mill Canyon and Moody Canyon. 1646 Comment
  RSA0066122  Heuchera elegans Orlando Mistretta, Steve Boyd 1995-5-23 1716 Los Angeles Bare Mountain Canyon, W side tributary drainage NE of Pacifico Mtn. San Gabriel Mountains. 1784 Comment
  CAS-BOT-BC55359  Hirschfeldia incana Peter H. Raven; Henry J. Thompson 1959-9-6 14376 Los Angeles Santa Monica Mountains. Near mouth of Malibu Creek. 12 Comment
  LA82507  Hordeum brachyantherum subsp. californicum O. H. Kappler; 1943-5-2 396 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  CATA1994  Hordeum intercedens Steven A. Junak, Mark Hoefs, Janet Takara 1997-3-28 402 Los Angeles Santa Catalina Island: N side of Cherry Cove, at Birdie Chester gravesite (1906) 21 Comment
  SBBG117040  Hordeum intercedens S. A. Junak 2001-5-4 SCa 1487 Los Angeles S of Parson's Landing 109 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
  SBBG127978  Hordeum marinum M. L. Hoefs, S. A. Junak 1996-5-1 2688 Los Angeles Haypress Reservoir, at cmpgrd 384 Comment
  UCR186565  Hordeum marinum A. C. Sanders 2006-5-16 32342 Los Angeles Tehachapi Mtns. Foothills, along the road to the National Cement Plant, c. 1/4 mile north of Hwy 138, south the California Aqueduct 1012 Comment
  RSA755960  Hordeum murinum subsp. glaucum Orlando Mistretta, Christine Mistretta 2008-4-7 2374 Los Angeles along SCE transmission line corridor, ca. 1.5 mi. NW of intersection of transmission line with State Hwy. 14 (1.75 mi. NW of Vincent substation), southeast edge of Sierra Pelona Ridge. (Segment 5, structure 41 per TRTP survey-2008) 972 Comment
  UC1871331  Hordeum murinum subsp. leporinum T. S. Ross, W. Appleby 1993-5-19 7164 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mountains: Long SSE-trending ridge S of Wilson Canyon Saddle; San Fernando quad: R15W T3N, SW/4 NE/4 SE/4 sect. 9; elev. 3110 ft. 948 Comment
  POM352481  Hordeum vulgare Robert M. Perkins 1935-3-24 54 Los Angeles Los Angeles Comment
  UCR209453  Horkelia rydbergii R. G. Swinney 2008-10-10 9545 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  RSA0040127  Hosackia oblongifolia Orlando Mistretta 1990-7-2 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region: Bear Flat. 1746 Comment
  CDA20326  Hydrocotyle sibthorpioides Turney 2005-3-4 PDR 1311327 Los Angeles South Pasadena, 2020 Berkshire Ave. 0 Comment
  RSA670652  Hymenoclea salsola B. C. Templeton, H. J. Andrews 1938-3-22 1687 Los Angeles Shoemaker Canyon. Comment
  RSA191576  Hymenoclea salsola var. salsola R. F. Thorne 1966-4-23 36149 Los Angeles San Gabriel Mountains: just N of Valyermo 1067 Comment
  UCR223245  Hypericum formosum R. G. Swinney 2009-7-22 11365 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  RSA0085335  Hypochaeris glabra R. G. Swinney 2010-4-1 12160 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  RSA638820  Hypochaeris glabra Valerie L. Soza, Laura Moore 1999-6-30 582 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail. 853 Comment
  UC651201 Image available Hyptis emoryi I. L. Wiggins 1935-2-20 7682 Los Angeles Wash 3 mi. from Los Angeles Bay. Comment
  RSA248897  Isocoma menziesii R. F. Thorne 1973-4-12 42922 Los Angeles San Clemente Island, Horse Cove, S end of island. 3 Comment
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Jun 24 2014
  POM359495  Isocoma menziesii var. sedoides F. R. Fosberg 1931-4-12 4576 Los Angeles Santa Catalina Island; Palisades near Jewfish Point. 15 Comment
  CAS-BOT-BC311716  Isocoma menziesii var. vernonioides A. J. McClatchie 1895-9-1 901 Los Angeles Near Pasadena Comment
  RSA593483  Isolepis cernua Steve Boyd, Orlando Mistretta, Valerie Soza 1996-6-12 8846 Los Angeles Liebre Mountains, Castaic Creek drainage upstream from confluence of Fish Canyon. 549 Comment
  UCR129402  Isomeris arborea A. C. Sanders, Mark Elvin 2002-6-20 25242 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  SEINET12323656  Jacaranda mimosifolia E. Mason, Mason, R. E. 1944-1 s.n. Los Angeles near Los Angeles Comment
  OBI69349  Jepsonia malvifolia John Knapp, Denise Knapp 2002-11-27 20 Los Angeles Santa Catalina Island 366 Comment
  CAS-BOT-BC101902  Juglans californica Le Roy Abrams; E. A. McGregor 1908-7-5 691 Los Angeles Lone Pine Canyon, desert slopes of the San Gabriel Mountains 914 Comment
  RSA573448  Juglans californica Tim S. Ross 1992-6-15 6589 Los Angeles Whittier Hills (local name for the western extremity of the Puente Hills) margin of grassy uplands at the head of a steep, un-named canyon draining ENE toward Orange Grove School in Hacienda Heights. 335 Comment
  UCR177218  Juglans californica LeRoy Gross, Valerie Soza 2003-5-15 916 Los Angeles Transverse Ranges; Verdugo Mountains region, Northwest side of mountains: North of La Tuna Canyon road, started at end of Elben Ave. north to ridge, south of McDonald Creek, then east along ridgeline, back down into a small canyon at the end of Elben Place, just east of where we started 366 Comment
  UCR209209  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37168 Los Angeles San Gabriel Valley, Pomona, Cal Poly Pomona campus at Kellogg West 267 Comment
  UCR62284  Juglans californica S. J. Myers 1990-4-3 s.n. Los Angeles Powder Canyon, in the City of La Habra Heights 245 Comment
  LA210279  Juglans californica var. californica Martha Hilend; 1933-5-19 Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  UC1184976  Juglans californica var. californica Huron H. Smith 1912-5-3 4931 Los Angeles Azusa 243 Comment
  UC535352  Juglans californica var. californica Ira W. Clokey, B. Templeton Apr. 1929 4465 Los Angeles Mandeville Canyon Santa Monica Mountains 350 Comment
  SD69015  Juncus acutus Robert F. Thorne, D. Propst 1968-5-27 37639 Los Angeles Santa Catalina Island, moist flat area behind dunes, Ben weston beach, at mouth of Middle Ranch Canyon. Comment
  UCR150550  Juncus balticus R. G. Swinney 1999-6-21 7348 Los Angeles San Gabriel Mtns., spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  UCR193533  Juncus balticus R. G. Swinney 1999-6-18 7298 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1768 Comment
  RSA188306  Juncus bufonius Robert F. Thorne 1966-6-1 36496 Los Angeles Santa Catalina Island: reservoir at upper end of Cape Canyon. 335 Comment
  SD252225  Juncus bufonius Steven A. Junak 1999-7-15 Sca 1030 Los Angeles Santa Catalina Island. Bulrush Canyon. 238 Comment
  RSA0040211  Juncus effusus subsp. austrocalifornicus Orlando Mistretta 1989-5-15 s.n. Los Angeles San Clemente Island, Bryce Canyon. Comment
  POM1621  Juncus macrophyllus I. M. Johnston 1916-10-15 s.n. Los Angeles Evey Canon by creek, north of Claremont. Comment
  RSA639095  Juncus macrophyllus L. C. Wheeler 1966-10-1 8938 Los Angeles San Gabriel Mountains: Millie's Orchard, lower Colby Ranch, Coldwater Canyon 1006 Comment
  RSA69667  Juncus macrophyllus F. R. Fosberg, Joseph A. Ewan 1931-8-12 s.n. Los Angeles 1/2 mile west of Windy Camp, Mt. Islip. San Gabriel Mountains. 2287 Comment
  RSA755826  Juncus macrophyllus R. G. Swinney 2008-10-7 9486 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak 1622 Comment
  CLARK-A1528-3027  Juncus xiphioides Peter H. Raven, Henry J. Thompson 1960-7-17 15542 Los Angeles Coast Highway Comment
  LA82497  Juncus xiphioides O. H. Kappler; 1942-11-1 354 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA550418  Juncus xiphioides Timothy S. Ross 1992-7-10 6666 Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater Canyon & Wickiup Canyon. 967 Comment
  CAS-BOT-BC81004  Juniperus californica Vernon O. Bailey 1907-10-30 s.n. Los Angeles Saugus Comment
  UC183954  Juniperus californica A. D. E. Elmer 1902-6-1 3633 Los Angeles Palmdale Comment
  CAS-BOT-BC235770  Keckiella cordifolia Herman Knoche 1919-6-25 Series A, No. 907 Los Angeles Avalon, Santa Catalina Island Comment
  RSA647798  Keckiella cordifolia LeRoy Gross, Laura Moore 2000-6-5 207 Los Angeles Verdugo Mountains: Canyon east of Brand Canyon by the Brand Lateral Trail, out of Brand Park, north of corners of Grandview and Mountain, Glendale. 274 Comment
  SBBG97015  Keckiella cordifolia S. Boyd with T. Ross, L. Arnseth 1990-4-8 4426 Los Angeles Bryce Cyn near Malo Pt Comment
  UC1595256  Keckiella cordifolia Tim Ross and Peter Fritsch 1990-6-20 3631 Los Angeles mouth of Burro Canyon San Gabriel Mountains (confluence of East and West Forks of San Gabriel River) 445 Comment
  UCR131410  Keckiella cordifolia Alison Lipman 1998-6-11 s.n. Los Angeles South Coastal Plains Region, George F Canyon, Palos Verdes Peninsula 305 Comment
  UCR258807  Keckiella cordifolia R. G. Swinney 2010-5-25 12980 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
  CAS-BOT-BC238329  Keckiella ternata var. septentrionalis Carl B. Wolf 1927-7-27 685 Los Angeles Ridge Route Road 2 mi. so. of Forest Inn 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
  RSA611829  Kochia californica Steve Boyd, J. Mark Porter, Zel Lederman 1998-4-27 10152 Los Angeles Mojave Desert: Antelope Valley, Amargosa Creek drainage at West G Street, west of Highway 14, southwest of Rosamond Dry Lake. 793 Comment
  RSA230272  Koeleria macrantha R. F. Thorne 1969-7-2 38302 Los Angeles San Gabriel Mountains, Angeles National Forest: Angeles Crest Highway, 3.2 miles WSW of Cloudburst Summit 1982 Comment
  RSA718096  Koeleria macrantha R. G. Swinney, Dave Larson 1996-7-17 5115 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1320 Comment
  SEINET10606953  Koeleria macrantha Victor Duran 1933-7-9 Duran 3505 Los Angeles This and a few other grasses, especially Hordeum jubatum, form a sparse cover on the floor of the Pinus jeffreyi forests, Horse Flats, San Gabriel Mountains. 1676 Comment
  RSA0104244  Kopsiopsis strobilacea John C. Roos 1937-7-17 375 Los Angeles Near Telegraph Peak, San Gabriel Mts. Comment
  RSA587759  Krascheninnikovia lanata T. S. Ross 1991-4-27 4727 Los Angeles Black Butte: easterly and northeasterly slopes 1082 Comment
  RSA670368  Krascheninnikovia lanata B. C. Templeton, H. J. Andrews 1938-6-22 1703 Los Angeles Mint Canyon Comment
  SBBG72611  Krascheninnikovia lanata M. N. Ackley 1927-5-8 100 Los Angeles Little Rock foothills 914 Comment
  CAS-BOT-BC273834  Lamarckia aurea LeRoy Abrams 1903-4-9 3244 Los Angeles Inglewood Comment
  SBBG95600  Lamarckia aurea M. B. Dunkle 1939-7-4 7332 Los Angeles Pyramid Cove Comment
  UCSB399  Lamarckia aurea Ilch, D.; Gleason, C. 1933-5-29 Los Angeles San Dimas SRE plot 303, block 18C Comment
  SEINET10926765  Lamarckia aurea John Quincy 1890-3-9 Fritchey s.n. Los Angeles Hills E Los Angeles. Very Weedy. Comment
  UCR59233  Lampranthus tenuifolius A. C. Sanders 1988-2-18 7689 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar. Blvd. 30 Comment
  SBBG61658  Lasthenia gracilis R. Hoffmann 1929-4-26 Los Angeles Soledad Cyn Comment
  UC1118943  Lasthenia gracilis A. D. Gifford 1935-4-12 553 Los Angeles 2 mi w Manzana; Tejon Quadrangle Comment
  UCR76421  Lasthenia gracilis T. S. Ross, A. Kendall 1992-4-15 6194 Los Angeles San Clemente Island, Central upland portion of the island, SW of 'Ledge' (1328' knoll of Stone field station), 236 degrees SW, c. 170m distant from summit of 'Ledge' 393 Comment
  UCR274117  Lathyrus Steven A. Junak 2000-4-15 SCa- 1195 Los Angeles California Islands, Santa Catalina Island, upper Avalon Canyon, along east Summit Road, c. 0.1 mile inland from gate at Wrigley Memorial 305 Comment
  RSA406613  Lathyrus Anstruther Davidson 1930-1 s.n. Los Angeles Los Angeles Comment
  UCR270147  Lathyrus vestitus R. G. Swinney 2011-4-9 14390 Los Angeles San Gabriel Mountains, NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  POM9218  Lathyrus vestitus subsp. laevicarpus P. A. Munz, R. D. Harwood 1920-3-17 3986 Los Angeles Topango Canyon, Santa Monica Mountains 152 Comment
  RSA0119658  Lathyrus vestitus subsp. vestitus R. G. Swinney 2014-5-19 16580 Los Angeles San Gabriel Mountains; Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Mtwy. 515 Comment
  POM184709  Lathyrus vestitus var. vestitus Joseph A. Ewan 1932-6-16 7257 Los Angeles Barley Flats road at head of Trail fork San Gabriel River 1372 Comment
  SBBG13630  Lavatera assurgentiflora subsp. glabra P. H. Raven 1962-4-11 17303 Los Angeles NW end of island between Driggs and West Rock 6 Comment
  CATA2980  Layia platyglossa Peter J. Dixon 2015-2-19 011 Los Angeles Santa Catalina Island: Near Two Harbors, on ridge 1.5 miles SSE of village of Two Harbors. 320 Comment
  UCR274094  Layia platyglossa Steven A. Junak 1999-5-20 SCa- 931 Los Angeles Channel Islands, Santa Catalina Island, ridge between Cottonwood and Escondido Canyons, on south side of Cottonwood-Black Jack Road, c. 0.6 mile up from reservoir 256 Comment
  RSA188058  Layia platyglossa subsp. campestris R. F. Thorne 1966-4-6 35928 Los Angeles Santa Catalina Island: about 1 mi. W of Empire Landing. 76 Comment
  UCSB43766  Lepechinia fragrans Nakashima, L. 1982-4-18 Los Angeles On east side of Stage Road, 1.4 miles south-east of Catalina Airfield on Santa Catalina Island 457 Comment
  UCSB56088  Lepidium didymum Thorne, Robert 1973-4-11 Los Angeles Rancho Santa Ana Botanic Garden-Claremont; near administration building 365 Comment
  UCR19557  Lepidium draba E. S. Spalding 1924-4-15 s.n. Los Angeles Vicinity of Los Angeles Comment
  UC856434  Lepidium flavum Lewis S. Rose 1937-4-9 37084 Los Angeles 6 mi se Llano 1036 Comment
  UCR280548  Lepidium fremontii R. G. Swinney 2014-4-17 16076 Los Angeles San Gabriel Mountains, SW of Littlerock, 0.5-0.8 mi. east of Cheseboro Rd., 100-200 m south of CA Aqueduct, 0.66 mile due S of Hwy. 138/Pearblossom Hwy 957 Comment
  UCR130842  Lepidium perfoliatum David Charlton 1989-4-21 2882 Los Angeles Mojave Desert (W): Antelope Valley, Ave. 'B' between 120th and 140th St. East, just south of Edwards Air Force Base. 701 Comment
  POM155618  Lepidium virginicum var. pubescens M. L. Bryan 1928-6-2 2 Los Angeles Mandeville Canyon, near Santa Monica Mts Comment
  CHSC100404  Lepidium virginicum var. robinsonii John Dittes; Josephine Guardino 2008-2-23 1505 Los Angeles Western Transverse Ranges; Santa Gabriel Mtns.; Big Tujunga Cyn; ca. 2.4 air-miles SE of Mt. McKinley, ca. 4.3 air-miles NE of Mt. Gleason Jr. Highschool; near Delta Flat Picnic Area; alluvial terrace north of Big Tujunga Creek. 529 Comment
  RSA0089851  Lepidium virginicum var. virginicum Dean Wm. Taylor 2003-5-29 18606 Los Angeles San Gabriel Mountains, Cold Springs Canyon, along Angeles National Forest Road 1N29 (Silver Fish Road) 1.3 miles E of the junction, Road 1N36. 868 Comment
  UC1069792  Lepidospartum squamatum P. L. Johannsen 1934-2-8 270 Los Angeles 3/4 mi nw Newhall; Santa Susana Quad., Placerita Creek Comment
  UCR150664  Leptodactylon californicum subsp. californicum James Henrickson 2000-4-15 20708 Los Angeles San Gabriel Mountains region, c. 1 mi SE of Newhall in Whitney Canyon, SE of junction of San Fernando Road and State Highway 14; 0.25-0.5 mile east of Highway 14; within 200 ft of Hwy 488 Comment
  UCR16660  Leptodactylon californicum subsp. californicum D. Sall 1970-5-16 s.n. Los Angeles On NE-facing slope 0.5 mi past '3000 ft' sign on Hwy 39 122 Comment
  POM19109  Leptosiphon bicolor P. A. Munz 1923-4-9 6677 Los Angeles San Clemente Island. About 3 miles southeast of Casa Blanca Comment
  POM364722  Leptosiphon pygmaeus subsp. continentalis L. C. Wheeler 1934-4-24 2562 Los Angeles Liveoak Canyon Dam 457 Comment
  RSA0081126  Leptosyne bigelovii R. G. Swinney 2010-6-1 13115 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
  UCR92673  Lessingia filaginifolia Scott D. White 1996-3-18 3837 Los Angeles Marina del Rey area, Ballona Creek, floodplain and adjacent N-facing slope, west of Lincoln Blvd. and south of Jefferson Blvd. 30 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
  RSA588686  Lessingia glandulifera var. glandulifera Orlando Mistretta 1995-7-12 1905 Los Angeles San Gabriel Mountains. Little Rock Creek, Vincinity of Basin Campground. 1082 Comment
  PASA1691  Lessingia lemmonii Frank W. Peirson 1928-9-5 Los Angeles Road from Rock Creek to Big Pines, San Gabriel Mts. 1280 Comment
  CAS-BOT-BC123032  Lessingia lemmonii var. peirsonii Frank Warrington Peirson 1923-6-9 3550 Los Angeles Liebre Mts., Kings Canyon 1173 Comment
  CAS-BOT-BC283777  Leymus cinereus A. D. E. Elmer 1902-6-1 3662 Los Angeles Lancaster Comment
  UC1279996  Lilium humboldtii subsp. humboldtii Peter H. Raven with H. L. Wedberg 1957-6-15 10901 Los Angeles 0.8 mi. n. of U.S. 101A Latigo Canyon; Santa Monica Mts., Latigo Canyon Comment
  UCSB50291  Limonium perezii Reisentz, Paul 1975-5-23 Los Angeles 2 miles southeast of Topanga Canyon Blvd. and Pacific Coast Highway intersection; Santa Monica Mountains 30 Comment
  RSA0098630  Limosella acaulis R. G. Swinney 2010-9-7 13704 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  SD90331  Limosella acaulis Robert F. Thorne, J. Dourley 1967-10-10 37340 Los Angeles San Gabriel Mts., Angeles National Forest: Jackson Lake, west end 1867 Comment
  UCR139934  Linanthus androsaceus subsp. micranthus L. C. Wheeler 1973-4-21 s.n. Los Angeles San Gabriel Mtns., foothills of mountains, 2 mi NE of Vincent 991 Comment
  UC1871351  Linanthus aureus subsp. aureus T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 5024 Los Angeles Transverse Ranges; San Gabriel Mountains region; 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash; Acton USGS 7.5' Quadrangle; T4N R13W, N/2 NE/4 NE/4 S1; elev. 2760-2880 ft. Comment
  RSA748448  Linanthus breviculus Orlando Mistretta 1992-8-28 785 Los Angeles Mt. Gleason management unit. Angeles National Forest. Tujunga Ranger District. Comment
  UCR46108  Linanthus breviculus Kathy Harper 1986-5-16 s.n. Los Angeles San Gabriel Mtns., Hwy 2, west of Big Pines in vicinity of Dawson Saddle, at mile marker 56.54 2409 Comment
  CHSC14152  Linanthus californicus L. M. Mayer; I. J. Mayer 1974-4-6 144 Los Angeles 1/2 mi e of Tapia Park on w side of Las Virgenes/Malibu Canyon Road. Comment
  RSA595556  Linanthus californicus Alan Prather, Alice Hempel 1993-5-17 1351 Los Angeles Angeles National Forest, along Glendora Mountain Road, 27.4 km N of the intersection with Boulder Springs drive (just S of the entrance to the National Forest). Comment
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Oct 29 2014
  RSA648203  Linanthus californicus Glenda Long 1981-4-26 20 Los Angeles West Fork San Gabriel Canyon, left side of road. 1 mile up canyon. Comment
  RSA679921  Linanthus concinnus LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 930 Los Angeles Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1). 1631 Comment
  RSA747368  Linanthus concinnus Orlando Mistretta 1994-7-12 1405 B Los Angeles 0.9 miles SSE of Mt. Williamson along trail between Islip Saddle and Reed Springs. Site is just NNW of the junction of Angeles Crest Hwy (Hwy 2) amd Hwy 39. 2027 Comment
  UCR140949  Linanthus dichotomus June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, Antelope Valley, 200th Ave. East, north of Hi Vista, toward Edwards AFB 915 Comment
  RSA314059  Linanthus parryae W. Wisura 1983-4-13 3903 Los Angeles 20.7 miles from [Interstate] 15 along [Hwy] 138. Comment
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Dec 22 2016
  SEINET7072890  Linanthus parryae A. G. Vestal 1963-5-22 s.n. Los Angeles San Gabriel Mountains southeast of Pearblossom on the San Andreas Rift Zone. Coordinate datum: WGS84/NAD83. (34? deg. 26' 0" North Latitude, -117? deg. 49' 38" West Longitude; UTM Zone 11, 423996mE, 3810325mN, Coordinate datum: NAD27.). Comment
  RSA251499  Linaria canadensis var. texana Robert F. Thorne 1973-4-11 42787 Los Angeles San Clemente Island: Norton Canyon. 274 Comment
  POM1584  Lithophragma affine I. M. Johnston 1917-5-6 1927 Los Angeles Evey Canyon, north of Claremont 762 Comment
  RSA729462  Lithophragma tenellum R. G. Swinney 1998-7-8 6338 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  POM67882  Lobelia cardinalis subsp. graminea H. E. Hasse 1890-08 s.n. Los Angeles Swamps. Comment
  RSA729554  Lobelia dunnii var. serrata R. G. Swinney 1998-8-6 6722 Los Angeles San Gabriel Mtns.: upper East Fork San Gabriel River, granite cliff on east side c. 100 m below Fish Fork. 928 Comment
  RSA662179  Lobularia maritima Carol Zuck 1981-2-27 53 Los Angeles Weedy vacant lot at the end of Virginia St. West Covina. Comment
  RSA610008  Loeflingia squarrosa L. C. Wheeler 1936-4-21 4095 Los Angeles San Dimas Wash. 366 Comment
  JEPS76500  Loeflingia squarrosa var. artemisiarum L. R. Heckard with Maynard Moe 1977-4-2 4556 Los Angeles s tip of Rogers Dry Lake about 1/2 mi e lake bed; Edwards Air Force Base, Rogers Dry Lake 728 Comment
  UCR277178  Logfia depressa R. G. Swinney 2011-4-19 14414 Los Angeles San Gabriel Mountains, San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  UC206243  Logfia filaginoides Katharine Brandegee Los Angeles Santa Catalina Id. Comment
  CAS-BOT-BC283534  Lolium Ralph N. Philbrick; Robert F. Thorne 1967-5-18 B 67 -193 Los Angeles Middle Bull Rush Canyon, Salta Verde, Santa Catalina Island Comment
  RSA601023  Lolium perenne L. C. Wheeler 1967-5-13 9502 Los Angeles San Gabriel Mountains; mesa between Little Dalton and Englewild canyons. 373 Comment
  RSA658484  Lolium perenne Patricia Kouo 1994-4-27 944136 Los Angeles 3 miles south of I-10, and 1-mile north of I-60. On the west side of Rosemead Blvd. at the most southern lake. Comment
  RSA251487  Lolium perenne subsp. multiflorum R. F. Thorne 1973-4-12 42982 Los Angeles San Clemente Island, just SE of Airfield Operations. 61 Comment
  CDA38384  Lomatium dasycarpum W. E. Henson 1929-6-9 s.n. Los Angeles Ridge Route. 0 Comment
  UC1400374  Lomatium dasycarpum subsp. dasycarpum Robert F. Thorne 1971-3-31 41438 Los Angeles n. of Mountain Ave. Claremont (Johnson's Pastures); San Gabriel Mts., , Johnson's Pastures 548 Comment
  UCR149325  Lomatium mohavense R. G. Swinney 1998-4-14 5994 Los Angeles San Gabriel Mtns., Pinon Hills area, 0.7 miles west of 237th St. at Panarama Rd., NW of mouth of Mescal Cyn., Mescal Highlands, 2.7 miles south of Ft. Tejon Rd. 1402 Comment
  UCR186901  Lomatium utriculatum A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32019 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-BC240500  Lonicera hispidula E. R. Blakley 1962-10-6 5474 Los Angeles Between reservoirs in Bullrush Canyon. Santa Catalina Island 274 Comment
  UCR11939  Lonicera hispidula var. vacillans P. H. Raven 1960-5-21 15389 Los Angeles Western Transverse Range; Santa Monica Mtns., Malibu Canyon 3.7 mi north of Coast Hwy 107 Comment
  CAS-BOT-BC240752  Lonicera interrupta Timothy S. Ross; Steve Boyd 1994-6-22 8013 Los Angeles Liebre Mountains. Warm Springs Canyon: 0.5 road mi W of Lake Hughes Road along Forest Service road 6N32 658 Comment
  RSA729836  Lonicera interrupta R. G. Swinney 1999-6-21 7354 Los Angeles spring c. 150 m WNW of mouth of Jesus Canyon. 1494 Comment
  UCR190732  Lonicera interrupta R. G. Swinney 2001-6-2 7960 Los Angeles San Gabriel Mtns./Mojave Desert, Juniper Hills area, Cruthers Creek 1.1 mi. south of Devils Punchbowl Rd. 1311 Comment
  RSA0116801  Lonicera subspicata R. G. Swinney 2010-5-25 12923 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  UCR258900  Lonicera subspicata R. G. Swinney 2010-8-16 13528 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  LA94327  Lonicera subspicata var. denudata A. M. Johnson; 1934-4-20 4439 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  RSA455365  Lonicera subspicata var. denudata E. S. Spalding 1923-5-30 s.n. Los Angeles Sierra Madre Canyon Comment
  RSA754222  Lonicera subspicata var. denudata Ellen Mackey, Blake Whittiington 2006-9-28 NFWF- 1765 Los Angeles San Gabriel River Watershed; Sycamore Canyon, bank next to riparian area on a horse trail. 117 Comment
  UC200725  Lotus argophyllus var. argenteus Katharine Brandegee Los Angeles Santa Catalina Island Comment
  RSA147965  Lotus argophyllus var. ornithopus Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  RSA549166  Lotus crassifolius var. crassifolius T. S. Ross 1990-6-20 3661 B Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon 1256 Comment
  RSA729660  Lotus crassifolius var. crassifolius R. G. Swinney 1998-7-2 6265 Los Angeles San Gabriel Mtns.: north of Table Mountain, Wrightwood area, 1.6 mi. north of junction of roads 4N21B, 4N21A, and 4N21 on ridge north of end of 4N21. 1963 Comment
  UC864794  Lotus grandiflorus E. Lloyd 1933-4-8 Los Angeles Temescal Canyon Santa Monica Mts. Comment
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Aug 29 2019
  RSA498333  Lotus grandiflorus var. grandiflorus T. S. Clare 1929-3-28 s.n. Los Angeles Topanga Canyon. Comment
  RSA729197  Lotus heermannii var. heermannii R. G. Swinney 1998-7-10 6372 Los Angeles Prairie Fork, near Cabin Flats Campground. Chaparral and riparian zone. 1591 Comment
  UC1595312  Lotus nevadensis var. davidsonii Tim Ross and Steve Boyd 1990-6-18 3478 Los Angeles Camp Verdugo Pines and vicinity, n draw draining to Jackson Lake San Gabriel Mtns., Jackson Lake, Mescal Creek U.S.G.S. 7.5' 1877 Comment
  UCR189891  Lotus oblongifolius R. G. Swinney 1998-7-14 6434 Los Angeles San Gabriel Mtns., SW of Wrightwood, 7.1 miles SE of Hwy 2 and 3N06 junction at 3N39, stream crossing road in a tributary canyon of Prairie Fork 2171 Comment
  CDA34315  Lotus procumbens M. O'Brien 2011-6-15 13 -Nov Los Angeles Santa Monica Mountains; El Matador State Beach, on the second seaward-facing bluff. 30 Comment
  UC69547  Lotus procumbens var. procumbens J. Burtt Davy May 9 1896-May 24 1896 2502 Los Angeles Manzana Antelope Valley Comment
  SFV1840  Lotus purshianus M. L. Vincent 1962-7-5 269 Los Angeles Santa Monica Mountains Old Topanga Canyon Road, 0.5 miles west of Topanga Canyon Blvd. 245 Comment
  UC625065  Lotus salsuginosus F. R. Fosberg 1931-4-3 S 4464 Los Angeles Pebble Beach Road Santa Catalina Island 5 Comment
  UCR124369  Lotus salsuginosus I. W. Clokey, B. C. Templeton 1929-1 4517 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  UCR155643  Lotus salsuginosus A. C. Sanders, T. B. Salvato 2005-4-26 29691 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa 671 Comment
  IRVC26936  Lotus scoparius A. C. Sanders 2003-4-28 26087 Los Angeles Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon Western San Gabriel Mtns. 427 Comment
  RSA596981  Lotus scoparius Steve Boyd, Lauren Raz 1996-9-24 8955 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 915 Comment
  UC1129129  Lotus scoparius F. H. Raymond 1930-1-29 67 Los Angeles Santa Ynez Canyon Calabasas Quad. 213 Comment
  SEINET12151345  Lotus scoparius J. F. Bright, Wyman, C. 1931-1 5571 Los Angeles Manhattan Beach Comment
  RSA406906  Lotus scoparius var. brevialatus M. B. Dunkle 1933-7-11 3645 Los Angeles Upper San Gabriel Canyon above dams. Cold Brook camp. Comment
  RSA406302  Lotus strigosus L. C. Wheeler 1934-4-17 2531 Los Angeles Palmer Canyon 511 Comment
  UC1211106  Lotus strigosus Huron H. Smith 1912-5-1 4886 Los Angeles Eagle Rock Valley 152 Comment
  UC864921  Lotus strigosus I. W. Clokey and B. C. Templeton 1930-4-8 4663 Los Angeles n of Elizabeth Lake Comment
  RSA588162  Lotus unifoliolatus Orlando Mistretta 1994-5-23 1249 Los Angeles San Gabriel Mountains: Little Rock Creek. Drainage E of creek and N of Forest Rd. 4N15. 1280 Comment
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Nov 3 2009
  UCR159949  Lotus wrangelianus L. C. Wheeler 1968-4-13 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, ridge south of mouth of Big Dalton Canyon 495 Comment
  UCSB40541  Ludwigia peploides Takeda, Brian 1978-3-6 Los Angeles West of Sepulveda Boulevard at the end of Royal Oak Place, Santa Monica Mountains 243 Comment
  SEINET10625731 Image available Luffa acutangula Heidi H. Schmidt 1999-10-14 Schmidt 3828 Los Angeles City of San Gabriel. Hawaii Supermarket: 120 East Valley Boulevard: San Gabriel, CA: 91776: (626) 307-0062 - phone. 110 Comment
  UCR222801  Lupinus R. G. Swinney 2009-5-9 10707 Los Angeles Transverse Range; San Gabriel Mtns., Azusa, San Gabriel River near Van Tassel Canyon confluence, 1.2 miles north of Foothill Blvd. on east side of El Encanto Parkway 183 Comment
  RSA533953  Lupinus agardhianus T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5205 Los Angeles San Clemente Island: 1300 feet NNW of Gud (888') marker. 241 Comment
  SEINET10969889  Lupinus albifrons David B. Dunn 1957-4-2 Dunn s.n. Los Angeles Plants 3 years old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by d.b.dunn. Rsa# 6450 x 8292(5) Comment
  CAS-BOT-BC201418  Lupinus albifrons var. albifrons Peter H. Raven 1962-5-20 17767 Los Angeles Santa Catalina Island 60 Comment
  RSA0061215  Lupinus albifrons var. austromontanus Daisie Huang, Bart O'Brien 2008-4-20 08042002 Los Angeles Templin Hwy off I-5. 258 Comment
  UCR147056  Lupinus andersonii L. C. Wheeler 1967-9-4 10651 Los Angeles Transverse Ranges; San Gabriel Mtns, Pine Mountain Ridge 2241 Comment
  CATA3412  Lupinus bicolor Julia A. Parish, Tobias Nickel, Jamie Choi, Stuart Olshevski 2017-5-30 026 Los Angeles Santa Catalina Island: Junction of Toyon Road and ridge trail to Campus By the Sea 307 Comment
  RSA0094365  Lupinus bicolor R. G. Swinney 2011-5-31 14925 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  UCR160087  Lupinus bicolor L. C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mtns., north of Mill Canyon off Soledad Canyon, near Ravenna 716 Comment
  UCR200023  Lupinus bicolor Valerie Soza, Mariam Sidibeh 2003-3-26 1610 Los Angeles Transverse Ranges; Verdugo Mountains, Western San Rafael Hills, Ridge Motorway off Camino San Rafael, southwest of Emerald Isle Drive and Camino San Rafael junction, above Mayors Bicentennial Park 579 Comment
  UCR273371  Lupinus bicolor R. G. Swinney 2011-5-10 14633 Los Angeles San Gabriel Mountains, Angeles Natl. Forest, 'Manzanita Mt.', at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center 629 Comment
  UCSB31656  Lupinus bicolor Griesel, Wesley 1962-4-14 Los Angeles Vincent 914 Comment
  UC1401267  Lupinus bicolor David B. Dunn and Epling 1946-4-19 2139 Los Angeles Collected in a grassy meadow on the E side of the highway #138, 2.9 miles S of the junction of the old Ridge Route Road. 853 Comment
  POM350031  Lupinus bicolor subsp. microphyllus N. C. Cooper 1945-5-1 2179 Los Angeles Santa Monica Mountains 762 Comment
  RSA549543  Lupinus bicolor subsp. microphyllus T. S. Ross 1992-4-27 6247 Los Angeles Claremont: S side of Indian Hill mesa, SW of RSA grounds 393 Comment
  RSA717223  Lupinus concinnus Scott D. White, Pam De Vries 2006-5-10 11443 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
  SBBG113039  Lupinus concinnus S. A. Junak with K. Kirkland 1998-4-30 SCa 558 Los Angeles upper part of Hamilton Cyn drainage, just downslope from Airport Rd 304 Comment
  SD66900  Lupinus concinnus R. Mitchel Beauchamp 1967-3-20 345 Los Angeles Santa Catalina Island; above Abalone Point, south of Avalon. Comment
  UCR190459  Lupinus concinnus R. G. Swinney 2001-4-18 7894 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, ridge top c. 500 m east of south end of Bobs Gap 1311 Comment
  UCR258761  Lupinus concinnus R. G. Swinney 2010-5-11 12692 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
  RSA0091103  Lupinus elatus R. G. Swinney 2011-8-17 15645 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  UCR256259  Lupinus elatus R. G. Swinney 2010-10-13 14032 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  RSA0081055  Lupinus excubitus subsp. austromontanus R. G. Swinney 2010-6-1 13111 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
  SEINET10485303  Lupinus excubitus var. hallii David B. Dunn 1956-1 Dunn RSA# 6454 x 6453(?)(2) Los Angeles Plants 2 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. The numbers are the field plant Numbers of rsa. 1St # is female parent x 2nd # male parent () parenthetic # is F1 plant no. Seeds from open field pollen vector. Comment
  POM11486  Lupinus excubitus var. johnstonii P. A. Munz 1921-6-18 4638 Los Angeles Between Swartout and Pairie Fork 2439 Comment
  POM305936  Lupinus formosus var. formosus H. J. Ramsey 1938-5-22 1212 Los Angeles Altadena, Eaton Canyon Park Comment
  RSA659913  Lupinus formosus var. formosus Orlando Mistretta 1991-7-20 s.n. Los Angeles Prairie Fork. 1829 Comment
  CDA27445  Lupinus hirsutissimus T. C. Fuller 1962-4-1 8174 Los Angeles Bank of San Dimas Canyon wash, 1.6 miles north of Foothill Boulevard, San Dimas. 0 Comment
  RSA413670  Lupinus hirsutissimus Geo. L. Moxley 1917-4-3 236 Los Angeles Hills near Chatsworth. Comment
  UCSB6982  Lupinus hirsutissimus Haller, John 1950-4-16 Los Angeles San Francisquito Canyon; 8 miles north of Saugus Comment
  LA200479  Lupinus longifolius Norman A. Cole; May 1964 360 Los Angeles Santa Monica Mountains, 6.3 mi from Pacific Coast Hwy along Piuma Rd 365 Comment
  RSA0062869  Lupinus longifolius Daisie Huang 2008-4-6 08040605 Los Angeles Deer Creek Rd, right off of PCH. Malibu. 17 Comment
  SEINET10485625  Lupinus longifolius H. Dearing, M. Dearing 1938-5-22 Dearing 2593 Los Angeles Topango canyon. Comment
  UCR125488  Lupinus microcarpus A. C. Sanders, Mark Elvin 2003-4-14 25971 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
  UC604835  Lupinus odoratus Roxana S. Ferris and Ruth P. Rossbach 1938-5-13 9489 Los Angeles between Roosevelt and Wilsonia Comment
  UC1971389  Lupinus peirsonii Louis C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains Comment
  RSA0088576  Lupinus sparsiflorus R. G. Swinney 2010-3-24 12175 Los Angeles Pacoima area, Lopez Canyon, 1.7 miles west of Kagel Canyon on Lopez Cyn. Rd., to 300 meters east of road on E-W running ridge. 503 Comment
  RSA0112766  Lupinus sparsiflorus R. G. Swinney 2011-3-29 14245 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
  SFV21759  Lupinus sparsiflorus L. Gross 2001-4-1 378 Los Angeles Verdugo Mountains Northwest side of Verdugo Mountains. Low hill between La Tuna Canyon Road and Sunland Blvd. Entered at dead end street at corner of Tuxford St. and Ledge Ave. just north of La Tuna Canyon Road in Sun Valley, just west of mouth of McDonald Creek. 305 Comment
  UCR194739  Lupinus sparsiflorus Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 746 Los Angeles Transverse Range: Verdugo Mountains, Verdugo Mountains, south side, above Burbank. Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Motortway 427 Comment
  SFV1915  Lupinus sparsiflorus H. L. Bauer 1941-4-28 683 Los Angeles San Gabriel Mountains Bouquet Canyon near Saugus. Roadside. 305 Comment
  RSA127893  Lupinus subvexus var. subvexus Peter H. Raven, Henry J. Thompson 1959-5-5 14157 Los Angeles Tapia park 152 Comment
  RSA533434  Lupinus succulentus Tim S. Ross 1991-4-21 4515 Los Angeles Whittier Hills (Puente Hills, proparte) Middle Turnbull Canyon drainage just SW of Old water tank. 220 Comment
  SEINET10489026  Lupinus succulentus Tilforth 1969-4-30 TILFORTH 187 Los Angeles Annual, growing thickly on e facing roadside bank. W side of colima ave just n Of hacienda blvd intersection n of whittier. Comment
  RSA0119947  Lupinus truncatus R. G. Swinney 2014-5-21 16625 Los Angeles San Gabriel Mountains; Glendora, along ridgetop and n. side of ridge, due south of the w. fork of Harrow Cyn., n. of the terminus of Glendora Ave., along historic and un-used Whitcomb Trail, trail abandoned in early 1970's. 549 Comment
  RSA228960  Luzula comosa var. laxa Robert F. Thorne 1971-8-25 41310 Los Angeles San Gabriel Mountains, Angeles National Forest: At Windy Spring on N slope of Mt. Islip. 2256 Comment
  SBBG20560  Lycium californicum E. R. Blakley 1963-12-8 6401 Los Angeles mouth of Horse Beach Cyn, which is first cyn E of China Pt 7 Comment
  UCR13471  Lycium californicum 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
  UCR142494  Lycium californicum F. R. Fosberg 1931-5-16 S- 4882 Los Angeles Channel Islands, Cottonwood Canyon, Santa Catalina Island 50 Comment
  SEINET10884637  Lycopersicon esculentum Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3760 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  SD85168  Lyonothamnus floribundus subsp. aspleniifolius Martin A. Piehl 1962-6-9 62321 Los Angeles Dry slope, head of canyon north of Chenity and south of Mosquito Cove, San Clemente Island 305 Comment
  CAS-BOT-BC142280  Lyonothamnus floribundus subsp. floribundus Robert F. Thorne 1967-5-19 36882 Los Angeles Echo Lake Branch of upper Swain's Canyon - Santa Catalina Island 365 Comment
  CATA1009  Lyonothamnus floribundus subsp. floribundus Mark L. Hoefs 1994-7-18 1892 Los Angeles Santa Catalina Island: Northeast of upper end of road to White's Landing 243 Comment
  RSA589873  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given, Gay, Fone 1994-8-3 8205 Los Angeles Santa Catalina Island. W end of the island, NW side of silver Peak, just below summit. 527 Comment
  SBBG95709  Lyonothamnus floribundus var. floribundus M. B. Dunkle 1928-5-20 1962 Los Angeles head of Swain's (Swain) Cyn Comment
  RSA435271  Lythrum californicum Thekla Mohr 1915-1 s.n. Los Angeles North Fork, San Gabriel River. Comment
  UC138271  Lythrum californicum LeRoy Abrams 1902-8-8 2962 Los Angeles Ballona Creek near Mesmer; Ballona Creek Comment
  SD237517  Lythrum hyssopifolia R. G. Swinney 2008-6-25 9105 Los Angeles San Gabriel Mountains: Glendora, Harrow Canyon Debris Basin, seep on north-central side. 387 Comment
  POM9527  Madia gracilis P. A. Munz, R. D. Harwood 1920-5-17 3971 Los Angeles Topanga Canyon, Santa Monica Mountains 152 Comment
  UCR192825  Madia gracilis R. G. Swinney 1998-7-7 6298 Los Angeles San Gabriel Mtns., Glendora, 150 m east of Big Dalton Canyon flood control channel in Wren Canyon along Wren-Meacham Trail 354 Comment
  SEINET6060641  Madia sativa L. A. Greata 1900-9-19 Los Angeles Campbell Johnston Ranch Comment
  UCR68898  Malacothamnus clementinus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4279 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  RSA641495  Malacothamnus davidsonii Louis C. Wheeler 1967-8-13 10466 Los Angeles San Gabriel Mts: Angeles National Forest; Little Tujunga near Dillon Divide 793 Comment
  SD3041  Malacothamnus fasciculatus Ruth B. Randall 1923-1 49 Los Angeles Near Griffith Park. Comment
  SBBG72791  Malacothamnus orbiculatus R. Hoffmann 1927-6-14 Los Angeles E end of Pine Cyn Comment
  POM82676  Malacothrix glabrata P. A. Munz 1925-4-23 9457 Los Angeles San Gabriel Canyon. 488 Comment
  UC1595349  Malacothrix glabrata Tim Ross 1992-5-17 6357 Los Angeles about 95 m(sic) s mouth of Shoemaker Canyon (on w side of river); San Gabriel Mountains, East Fork of the San Gabriel River 655 Comment
  RSA594978  Malacothrix saxatilis var. tenuifolia Mark Hoefs, Steven A. Junak, Janet Takara, M. Gay 1995-7-14 2379 Los Angeles Parsons' Landing, Santa Catalina Island 323 Comment
  RSA657331A  Malacothrix saxatilis var. tenuifolia Darron David 1992-5-15 21 Los Angeles Hacinda Heights, 3 miles south of the intersection of Colima road and Haliburton road. Comment
  UC33296  Malacothrix saxatilis var. tenuifolia J. Burtt Davy 1888-1 2732 Los Angeles Santa Monica Comment
  POM6228  Malacothrix saxatilis var. tenuifolia D. L. Crawford, H. D. Hiatt 1916-3-28 578 Los Angeles Santa Monica Mountains. Comment
  CHSC35414  Malosma laurina James Henrickson 1973-6-23 10924 Los Angeles Santa Monica Mts., Topanga Canyon, 3/4 mile N of Topanga P.O. along old Topanga Canyon Road; 243 Comment
  UCR238079  Malosma laurina Mark A. Elvin, Julie M. Vanderwier 2002-7-18 2102 Los Angeles Western Transverse Range; Santa Clarita Valley Area, Newhall Ranch, ridge west of Potrero Canyon 396 Comment
  SD86321  Malva assurgentiflora R. Beauchamp, M. Douglas 1972-3-24 3208 Los Angeles San Clemente Island; among talus from air-strip construction. 24 Comment
  RSA529299  Malva parviflora Tim S. Ross 1991-4-8 4457 Los Angeles Elephant Hill: western Pomona. 229 Comment
  RSA639564  Malva parviflora Louis C. Wheeler 1967-5-18 9650 Los Angeles San Gabriel Mountains: Placerita Canyon, vicinity of Oak of the Golden Dream. 479 Comment
  RSA715187  Marah A. C. Sanders 2003-3-14 25776 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd., north edge of 210 freeway east of the San Gabriel River channel. 159 Comment
  RSA121896  Marah macrocarpa A. D. Gifford 1935-4-14 578 Los Angeles 2 1/2 miles E. of Whitaker Pk. 915 Comment
  RSA20162  Marah macrocarpa L. R. Abrams 1901-4-3 1254 Los Angeles Santa Monica Mountains. Comment
  UCR281631  Marah macrocarpa R. G. Swinney 2014-5-13 16477 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
  UCSB6288  Marah macrocarpa Kamb, Peter 1948-2-14 Los Angeles Little Santa Anita Canyon, San Gabriel Mts. 396 Comment
  RSA785921  Marah macrocarpa K. Dobry 1992-4-14 1134 Los Angeles West Santa Monica Mts at E arroyo sequit at camp Shalom Comment
  RSA563496  Marah macrocarpa var. macrocarpa T. S. Ross, Walter Appleby 1993-5-13 7126 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
  SD90442  Marah macrocarpa var. major Robert F. Thorne, Doug Propst 1973-2-12 42481 Los Angeles Santa Cataline Island, Ironwood Gully, E of Isthumus above Banning House 185 Comment
  OBI25812  Marrubium vulgare Williams 1961-3-21 s.n. Los Angeles Santa Monica Mts Comment
  CAS-BOT-BC348127  Matricaria discoidea A. H. Gallup 1949-4-17 401 Los Angeles Near mid-south boundary, LASCA Comment
  UCSB41658  Matricaria discoidea Warren, Linette 1982-4-17 Los Angeles 100 feet from east side of Browns Canyon Road; 1.0 miles north of its junction with Simi Valley Fwy.; Brown Canyon; Chatsworth 335 Comment
  CAS-BOT-BC422755  Meconella denticulata Dr. H. E. Hasse 1888-4-1 s.n. Los Angeles Near Los Angeles Comment
  RSA134104  Meconella denticulata John H. Thomas 1957-5-25 6776 Los Angeles San Gabriel Mtns, Western side of Santa Anita Canyon about 7 miles NNE of Pasadena. 610 Comment
  SBBG12325  Medicago polymorpha P. H. Raven 1962-4-9 17130 Los Angeles near barracks, Wilson Cove 60 Comment
  RSA258363  Medicago polymorpha C. W. Tilforth 1973-4-23 772 Los Angeles a few plants found in block 17-16 Comment
  SEINET3131646  Medicago sativa G. B. Grant 1901-1-1 759 Los Angeles Pasadena Comment
  RSA652179  Medicago sativa Horton Sherwood 1948-5-16 s.n. Los Angeles 1/4 mi. east of Walteria just below Palos Verdes Hills. 30 Comment
  SEINET12190917  Melaleuca nesophila E. Mason, Tebbett 1950-1 s.n. Los Angeles resort near Los Angeles Comment
  UC53921  Melampodium perfoliatum Ernest Braunton Aug 1902 625 Los Angeles Cienega Comment
  RSA656166  Melica imperfecta Joseph M. Keefe 1977-6-11 22106 Los Angeles Verdugo Mountains; Glendale. South fork of Engleheard Canyon, one Km west of Elinita Ave. Camp Max Straus. 427 Comment
  RSA660205  Melica imperfecta Yvonne Rasmussen, Deborah Rasmussen 1984-5-5 22 Los Angeles 3.8 miles from Pasadena city limits sign, on Angeles Crest Highway. Comment
  RSA674639  Melica imperfecta Scott D. White, Kent Hughes 2000-5-16 7860 Los Angeles San Gabriel Mts.: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  RSA707835  Melica imperfecta L. M. Prince, N. Refulio Rodriguez 2002-3-25 2 -281 Los Angeles Los Angeles National Forest north of Claremont. ~4 km north of San Antonio Dam on Mt. Baldy Rd. In NE facing ravine. 900 Comment
  SBBG77086  Melica imperfecta F. R. Fosberg 1931-3-19 4307 Los Angeles Hamilton Cyn 10 Comment
  UCR147809  Melica imperfecta Steve Boyd, Amber Maurice 2004-5-18 11328 Los Angeles Transverse Ranges; Liebre Mountains region, Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain 610 Comment
  SBBG31479  Melilotus indicus R. F. Thorne 1966-4-4 35764 Los Angeles bluff SE of Ballast Pt and Catalina Harbor, isthmus 60 Comment
  UCR127213  Melilotus indicus A. C. Sanders, Mark A. Elvin, and others 2003-5-1 26277 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
  HSC15024  Melilotus indicus C. S. Apperson 1967-6-3 Los Angeles 4 mi. from Gorman on Hwy. 138 Comment
  POM348182  Melilotus indicus Patricia Krueger 1940-7-20 20516 Los Angeles Compton, Los Angeles County Comment
  RSA008770  Melilotus indicus Fay A. MacFadden 1930-06 1725 Los Angeles Verdugo Mountains: Tuna Canyon. Comment
  RSA440352  Mentzelia affinis Anstruther Davidson 1912-05 2805 Los Angeles Van Nuys Comment
  RSA167101  Mentzelia affinis W. G. Webb 1935-4-19 s.n. Los Angeles Tejon Ranchos, near Lebec Comment
  SBBG69291  Mentzelia albicaulis R. Hoffmann 1929-5-20 Los Angeles W Mojave Desert Comment
  JEPS41224  Mentzelia congesta Frank W. Peirson 1919-6-14 472 Los Angeles San Gabriel Mountains, Rock Creek Comment
  RSA0035488  Mentzelia dispersa Orlando Mistretta 1989-5-5 s.n. Los Angeles Bouquet Canyon. Comment
  SFV17945  Mentzelia laevicaulis J. N. Hogue, J. D. Dilley 1998-8-8 125 .1 Los Angeles San Gabriel Mountains Along Forest Route 3N07 to South Mount Hawkins from Pine Flats and Crystal Lake. Road to Deer Flat, above Crystal Lake just below Deer Flat Campground. 1980 Comment
  UCR259549  Mentzelia laevicaulis R. G. Swinney 2010-9-1 13673 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Creek, under the overpass of the I-210 Fwy. and on either side, south of W. Tujunga Valley St. 338 Comment
  SFV4883  Mentzelia micrantha M. H. Grayum 1971-5-3 s. n. Los Angeles Santa Monica Mountains Tapia Park. 152 Comment
  UCR256136  Mentzelia micrantha R. G. Swinney 2010-4-20 12316 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  UCR280661  Mentzelia micrantha R. G. Swinney 2014-5-21 16605 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  SD134435  Mentzelia pinetorum Craig Reiser 1990-5-16 Los Angeles Mount McDill on the Ritter Ranch, NW of Palmdale Comment
  UCR281383  Mentzelia veatchiana R. G. Swinney 2014-4-24 16222 Los Angeles San Gabriel Mountains, NE of Valyermo, Bob's Gap, from 50-400 m east of 165th Street/Bob's Gap Rd. 1366 Comment
  SBBG96676  Mesembryanthemum crystallinum S. Boyd with T. Ross, L. Arnseth 1990-4-7 4273 Los Angeles lower half of China Cyn Comment
  CAS-BOT-BC435248  Mesembryanthemum crystallinum Nell Murbarger 1936-3-1 97 Los Angeles San Clemente Island. South and west sides of island Comment
  LA209554  Mesembryanthemum crystallinum Jonathan Sauer; D. Birindelli 1969-1-31 4341 Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  SBBG98543  Microseris douglasii subsp. platycarpha T. Ross, O. Mistretta, M. Hammitt 1991-5-20 5329 Los Angeles between Box and Horse Cyns 484 Comment
  RSA188057  Microseris heterocarpa R. F. Thorne 1966-4-4 35756 Los Angeles Santa Catalina Island: Bluff SE of Ballast Point and Catalina Harbor, Isthmus 61 Comment
  UCR126585  Microseris heterocarpa A. C. Sanders 2003-4-16 26021 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, under powerlines south of Magic Mountain Parkway, near I-5 and new golf course 366 Comment
  RSA746779  Microseris lindleyi R. G. Swinney 2008-5-8 8782 Los Angeles West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  UCR276810  Microseris lindleyi R. G. Swinney 2010-5-21 12892 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
  RSA661072  Microseris lindleyi Orlando Mistretta 1992-4-5 180 Los Angeles Guds, San Clemente Island. Comment
  RSA550786  Mimulus aurantiacus David M. Thompson 1992-5-22 1075 Los Angeles N of Flintridge. 4.4 miles N of 210 Freeway along Highway 2 793 Comment
  UCR177762  Mimulus aurantiacus LeRoy Gross, Naomi Fraga, B. Hogshead, Aydee Virgen 2003-6-19 1078 Los Angeles Transverse Ranges; Verdugo Mountains region, North side of mountains: South of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway. 556 Comment
  SDSU19649  Mimulus aurantiacus var. parviflorus Michael G. Simpson, Adrienne Russell & Jonathan Dunn 2000-7-20 2205 Los Angeles San Clemente Island, south side of Eagle Canyon. 457 Comment
  POM267771  Mimulus aurantiacus var. pubescens I. W. Clokey, Bonnie C. Templeton 1929-04 4441 Los Angeles Mandeville Canyon, Santa Monica Mts. 350 Comment
  RSA0087021  Mimulus aurantiacus var. pubescens R. G. Swinney 2010-4-30 12450 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
  UC1922227  Mimulus brevipes Valerie L. Soza, Laura Moore 2000-5-10 855 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines to peak ''1936''. Near 34deg 14' 28.7'' N 118deg 17' 59.5'' W T2N R14W NE/4, SW/4 & NW/4, Comment
  UCSB10385  Mimulus brevipes Wedberg, Lee 1954-5-16 Los Angeles Mandeville Canyon 304 Comment
  RSA311409  Mimulus cardinalis Cheryl A. Lawson 1971-7-9 418 Los Angeles Little Tujunga Canyon, San Gabriel Mountains, Angeles National Forest. Comment
  UCSB6060  Mimulus cardinalis Gill, Robert 1959-9-30 Los Angeles San Gabriel Dam (Morris); at base pf dam; San Gabriel Mt. Range 298 Comment
  RSA729189  Mimulus floribundus R. G. Swinney 1999-5-15 7152 Los Angeles San Gabriel Mtns.: Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas Experimental Forest. 610 Comment
  SFV21126  Mimulus floribundus L. Gross, M. Denslow, B. Hogshead, S. Swartzentruber 2003-6-17 1048 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Brand Canyon above the large waterfall where the canyon forks off, near above coordinates. Smaller side canyon that branches off to the east of the main canyon. Side canyon narrows quickly to a bedrock waterfall (or seep). 519 Comment
  RSA435508  Mimulus floribundus M. B. Dunkle 1933-7-11 3655 Los Angeles Upper San Gabriel Canyon. San Gabriel Mountains. Comment
  RSA598371  Mimulus fremontii var. fremontii Louis C. Wheeler 1967-5-24 9738 Los Angeles Indian Canyon, near mouth 701 Comment
  RSA230755  Mimulus guttatus Robert F. Thorne, M. Z. Thorne 1969-7-10 38443 Los Angeles San Gabriel Mountains, Angeles National Forest: N of Jackson Lake 1860 Comment
  CDA41783  Mimulus johnstonii S. E. Schoenig 1998-6-2 98 -55 Los Angeles Northeast side of road, 3.0 [miles] along 4N11 (Big Rock Creek Road) from Valyermo-Big Pine Road. Angeles National Forest. Comment
  UCR203256  Mimulus moschatus R. G. Swinney 2001-8-27 8126 Los Angeles San Gabriel Mountains, Windy Spring, 0.3 mi northwest of Little Jimmy Campground 2256 Comment
  SFV3397  Mimulus parishii R. L. Armacost 1933-7-4 16 Los Angeles San Gabriel Mountains Vasquez Rocks, near Newhall, just south of Agua Dulce. 790 Comment
  LA82054  Mimulus pilosus O. H. Kappler; 1943-5-23 472 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  SEINET4044562  Mirabilis californica D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 289 Comment
  UCR276917  Mirabilis laevis R. G. Swinney 2011-3-29 14279 Los Angeles San Gabriel Mts., Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel 366 Comment
  JEPS61328  Mirabilis laevis Frank W. Peirson 1919-1-25 307 Los Angeles Arroyo Seco 381 Comment
  SD251760  Mirabilis laevis M. B. Dunkle 1939-5-28 8107 Los Angeles Santa Barbara Island. South end of island. Comment
  RSA0004392  Mirabilis laevis var. cordifolia M. B. Dunkle 1939-4-3 7234 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  RSA464645  Mirabilis laevis var. crassifolia Blanche Trask 1901-03 s.n. Los Angeles Avalon, Santa Catalina Island Comment
  SD39338  Mirabilis laevis var. crassifolia Edith A. Purer 1931-3-8 1007 Los Angeles Griffith Park. Comment
  RSA587329  Mirabilis laevis var. villosa Orlando Mistretta 1992-5-4 228 Los Angeles Little Rock Creek, Alimony Ridge. 1463 Comment
  UCR281407  Mirabilis laevis var. villosa R. G. Swinney 2014-4-30 16298 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
  UCR153354  Monardella australis subsp. cinerea L. C. Wheeler 1970-7-25 s.n. Los Angeles Transverse Ranges: San Gabriel Mountains, Heloport 0.3 mile north of South Mt. Hawkins 2287 Comment
  UCR179892  Monardella cinerea R. G. Swinney 1995-8-28 4476 Los Angeles San Gabriel Mtns., West Mt. Baldy summit 3043 Comment
  RSA605657  Monardella exilis Louis C. Wheeler 1965-6-21 8695 Los Angeles Mojave Desert: ca. 3 miles E of 90th Street, East & Ave. O, on Ave. O; ca. 1 mile W of Alpine Butte Wildflower Sanctuary.. . Comment
  UCR141160  Monardella exilis June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, near Hi Vista, vicinity of Ave G at 200th St. East, Antelope Valley 945 Comment
  UCR234181  Monardella exilis B. G. Pitzer 1998-5-12 3680 Los Angeles Western Mojave Desert, c. 18 mi. north of Adelanto, on 240th Street East, c. 2.8 mi north of intersection with El Mirage Road (= Avenue 'P'), and 3.2 mi. south of Avenue 'J 953 Comment
  CAS-BOT-BC220440  Monardella saxicola Louis C. Wheeler 1932-6-27 880 Los Angeles 200 yds NNE San Dimas Canyon Dam near the road, San Gabriel Mts. 426 Comment
  LA84412  Monardella saxicola Rimo Bacigalupi; Reino Alava 1958-7-20 6419 Los Angeles San Gabriel Mountains, Angeles National Forest, N face of Kratka Ridge, upper slopes of Little Rock Creek Canyon, about 1 mi. W of Cedar Spring, Angeles Crest Highway 2072 Comment
  UCR194564  Monolopia lanceolata A. C. Sanders 2008-4-25 35111 Los Angeles Transverse Range; Western San Gabriel Mtns., hill slopes c. 0.8 mi. NE of old La Liebre Ranch, 0-0.3 mi. south of Hwy 138 970 Comment
  CAS-BOT-BC275286  Muhlenbergia microsperma John H. Thomas 1957-4-27 6697 Los Angeles Santa Monica Mountains. W side of mouth of Latigo Canyon, about 3 miles NW of Point Dume. 15 miles due W of Santa Monica 152 Comment
  UCR241702  Muhlenbergia microsperma Dan S. Cooper 2012-4-14 412- 21 Los Angeles Western Transverse Range; Hollywood Hills, 1-mile Tree, off Western Canyon Rd., Griffith Park 270 Comment
  RSA762879  Muhlenbergia rigens R. G. Swinney 2008-10-10 9572 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  POM17980  Muilla maritima Philip A. Munz 1923-5-26 6865 Los Angeles Big Rock Creek 1585 Comment
  CAS-BOT-BC515105  Muilla maritima Timothy S. Ross; Steve Boyd 1994-5-25 7894 Los Angeles 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, Liebre Mtn 7.5' USGS Quadrangle 1708 Comment
  RSA96721  Muilla maritima E. K. Balls 1954-4-27 19088 Los Angeles Native to Botanic Garden, Claremont. 396 Comment
  CAS-BOT-BC243702  Myoporum laetum Timothy S. Ross; J. Mark Porter; Gery Allan; Vanessa Ashworth; Darin Banks; Megan Tommerup 1994-3-28 7412 Los Angeles Rancho Palos Verdes, un-named horsesho-shaped canyon to the NE of upper Forrestal Drive, San Pedro USGS 7.5' quad., Palos Verdes Peninsula 167 Comment
  RSA0068447  Nama demissa R. G. Swinney 2010-5-19 12837 A Los Angeles Horseshoe bend in Pacific Telephone Access Rd., 0.3 air miles NNE of Oracle Hill Summit, 2.1 air miles due east of Angeles Forest Hwy, 0.8 air miles due west of Mt. Emma Rd. 1207 Comment
  SEINET7040201  Nama demissa A. G. Vestal 1962-3-30 s.n. Los Angeles Yacca stand, Antelope Valley, south of Willow Springs. Little Buttes Quadrangle UTM Zone 11, 377584mE, 3848202mN. Comment
  UCSB5302  Nama demissa Haller, John 1957-4-13 Los Angeles On Palmdale Ave.; 0.7 mi. E. of jct. with Calif. 138 and ca. 9 mi. E. of center of Palmdale 762 Comment
  POM298884  Nassella cernua Frank W. Gould 1944-3-26 2176 Los Angeles Palos Verde hills near Walteria. Comment
  POM353180  Nassella cernua Robert Gustafson 1978-6-1 978 Los Angeles Off dirt road leading into Hungry Valley, ca. .2 mile from the junction with thepaved 2-lane Peace Valley Rd., west of Gorman. 1220 Comment
  UC121718  Nassella cernua H. E. Hasse 1895-4-8 Los Angeles Santa Monica Range Comment
  CAS-BOT-BC259916  Nassella lepida Carl B. Wolf 1932-5-10 3535 Los Angeles Santa Catalina Island. 100 yards SE of summit of Equestrian Trail, back of Avalon 304 Comment
  CAS-BOT-BC259922  Nassella lepida Mrs. Jos. Clemens 1922-5-5 s.n. Los Angeles Los Angeles Comment
  RSA187854  Nassella lepida R. F. Thorne 1966-6-1 36483 Los Angeles Santa Catalina Island. Opposite Bird Park, Avalon. 30 Comment
  SBBG32122  Nassella lepida R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -194 Los Angeles Middle Bullrush Cyn, Salta Verde Comment
  LA9462  Nassella pulchra Carl Epling; L. Ellison 1930-3-28 sn Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon Comment
  POM1076  Nassella pulchra Le Roy Abrams 1901-04 1527 Los Angeles Prospect Park. Comment
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Oct 14 2014
  RSA584121  Nasturtium officinale Timothy S. Ross, S. D. Boyd, Peter W. Fritsch 1990-6-11 2987 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon 1255 Comment
  RSA608333  Nasturtium officinale L. C. Wheeler 1950-9-23 6797 Los Angeles San Gabriel Mountains: Gauging station near Big Tujunga Ranch, Big Tujunga Canyon 480 Comment
  RSA555452  Navarretia atractyloides R. F. Thorne 1966-4-29 36308 Los Angeles Catalina Island. Along Airport Road before turn-off to Middle Ranch Canyon. 457 Comment
  JEPS4103  Navarretia hamata subsp. hamata Rimo Bacigalupi with G. T. Robbins, L. R. Heckard 1953-6-15 4196 Los Angeles 5.7 mi e Little Tujunga Canyon road junction with State Highway 118 (along Little Tujunga Canyon road); San Gabriel Mountains 609 Comment
  SEINET3095963 Image available Nemacladus glanduliferus Richard G. Swinney 2009-4-24 10485 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert; Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam. (Pacifico Mountain 7.5'Q) 960 Comment
  RSA776173  Nemacladus pinnatifidus Orlando Mistretta, Christine Mistretta 2010-6-16 5328 Los Angeles Transverse Ranges; San Gabriel Mts region: Upper Big Tujunga canyon; Lynx Gulch drainage 0.86 air miles NE of junction of Lynx Gulch Road with Upper Big Tujunga Canyon Road, along Southern California Edison transmission line corridor. 1175 Comment
  UCR256239  Nemacladus secundiflorus R. G. Swinney 2010-5-19 12841 Los Angeles San Gabriel Mountains, horseshoe bend in Pacific Telephone Access Rd., 0.3 air miles NNE of Oracle Hill Summit, 2.1 air miles due east of Angeles Forest Hwy, 0.8 air miles due west of Mt. Emma Rd. 1207 Comment
  RSA643155  Nemacladus sigmoideus Orlando Mistretta 1994-04 s.n. Los Angeles San Gabriel Mountains: Little Rock Creek Management Unit. Comment
  RSA713252  Nemacladus sigmoideus LeRoy Gross 2005-5-3 s.n. Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  UC24267  Nemophila menziesii var. integrifolia H. M. Hall 1902-5-11 Los Angeles Sierra Santa Monica Comment
  IRVC26956  Nemophila menziesii var. menziesii Mark A. Elvin 2003-5-1 s.n. Los Angeles Newhall Ranch, Castaic Mesas. Ca 1 mi SW of Castaic Lagoon at the W edge of a mesa, N of Charlie Canyon Santa Clarita Valley 366 Comment
  RSA421316  Nemophila menziesii var. menziesii John P. Hill 1929-4-29 s.n. Los Angeles Verdugo Woodland Comment
  LA52038  Neogaerrhinum kelloggii Carl Epling; 1931-5-9 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  UCR149911  Nicotiana attenuata R. G. Swinney 1999-6-18 7335 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  JEPS68693  Nicotiana glauca Annie M. Alexander and Louise Kellogg 1939-6-26 851 Los Angeles Mint Canyon Comment
  RSA656417  Nicotiana glauca Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 675 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, at La Tuna Canyon Road. SSW of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park. 518 Comment
  SBBG45047  Nicotiana glauca I. W. Clokey, B. Tampleton -Jun-1929 4583 Los Angeles Mandeville Cyn 150 Comment
  CAS-BOT-BC516037  Nothoscordum bivalve Grace Cole Fleischman 1951-5-20 s.n. Los Angeles Garden peat, 1996 Monte Vista St., Pasadena Comment
  UCR25332  Nothoscordum gracile Alfred R. Roos 1958-5-2 s.n. Los Angeles Evans and Reeves Nursery, Brentwood, West Los Angeles Comment
  SBBG126926  Oenothera elata subsp. hirsutissima A. Parikh, N. Gale 2011-5-21 3394 Los Angeles San Gabriel River, just W of I-605, 0.7 km N of Lower Azusa Rd/Los Angeles St 109 Comment
  SEINET13294195 Image available Oenothera glazioviana Unknown Los Angeles Grown at Claremont, California Comment
  SBBG31321  Oenothera sinuosa R. F. Thorne 1966-6-1 36478 Los Angeles near riding stables, Avalon 30 Comment
  POM12647  Oenothera speciosa P. A. Munz 1921-05 4560 Los Angeles Between Chino & Pomona. 274 Comment
  IRVC27307  Olea europaea A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-7 27155 Los Angeles Newhall Ranch, Potrero Canyon, at the old ranch headquarters (barn, corrals, etc.) in the middle of the canyon NE end of Santa Susana Mtns. 335 Comment
  RSA248898  Oligomeris linifolia Robert F. Thorne 1973-4-12 42925 Los Angeles San Clemente Island, Horse Cove, S end of island. 5 Comment
  RSA251410  Oligomeris linifolia Robert F. Thorne 1966-4-16 36050 Los Angeles San Clemente Island, c. 1/2 mile SSE of Eel Point, SW side of island 2 Comment
  RSA0097626  Opuntia Marc A. Baker, Michelle Cloud-Hughes 2015-7-11 18406 Los Angeles Claremont, 300m south of the SE base of Indian Hill. 394 Comment
  SEINET3245982  Opuntia basilaris R. G. Swinney 2009-1 10856 Los Angeles Transverse Range; San Gabriel Mtns.: Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge. 437 Comment
  UCSB24748  Opuntia basilaris Taylor, D. 1966-5-13 Los Angeles On Highway 138; 12 miles outside of Little Rock; 20 ft. from roadside 609 Comment
  UCR269878  Opuntia basilaris var. brachyclada R. G. Swinney 2011-6-29 15339 Los Angeles San Gabriel Mountains, mouth of Monte Cristo Canyon, confluence with Mill Creek 1098 Comment
  RSA0029607  Opuntia phaeacantha var. piercei F. R. Fosberg 1932-7-17 8610 Los Angeles Camp Baldy. Comment
  UCR154363  Orcuttia californica A. C. Sanders 2005-5-5 29898 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool 655 Comment
  SFV19325  Oreonana vestita P. Wilson, J. N. Hogue 242.2 2005-5-23 4207 Los Angeles San Gabriel Mountains Kratka Ridge, trail to Mount Williamson. 0.25 km north of Highway 2. 2100 Comment
  RSA590613  Orobanche bulbosa Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-8 2921 Los Angeles San Gabriel Mountains: Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air-miles ENE of Barley Flats). 1249 Comment
  RSA0076174  Orobanche bulbosa Thomas T. Craig, W. Simonds 1927-4-30 227 Los Angeles Divide between Evey and Palmer Canyons, San Gabriel Mts. Comment
  UCR172459  Orobanche parishii subsp. parishii Anuja Parikh, Nathan Gale 2005-6-29 2118 Los Angeles Santa Susana Mtns., Newhall Ranch, slopes above Potrero Canyon, south of Santa Clara River c. 1 mi. east of the Ventura Co. line, study area 16 396 Comment
  RSA603789  Orobanche valida subsp. valida Louis C. Wheeler 1948-6-13 6640 Los Angeles San Gabriel Mountains: Big Tujunga, on ridge east of Coldwater Canyon. 976 Comment
  CAS-BOT-BC6999  Orthocarpus purpurascens var. pallidus George Bernard Grant 1902-4-1 886 Los Angeles Lincoln Park, near Pasadena Comment
  CAS-BOT-BC355756  Osmadenia tenella Alice Eastwood 1906-5-27 11 Los Angeles Country adjacent to Los Angeles. Garvanza Comment
  UC897746  Osmadenia tenella Louis C. Wheeler 1932-6-4 799 Los Angeles Liveoak Canyon San gabriel Mts. 518 Comment
  RSA230664  Osmorhiza berteroi R. F. Thorne, M. Z. Thorne 1969-7-9 38579 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Pines. 2073 Comment
  JEPS2994  Osmorhiza brachypoda Frank W. Peirson 1919-5-21 451 Los Angeles Arroyo Seco San Gabriel Mountains 609 Comment
  UC457330  Oxalis albicans subsp. californica Carl Epling and N. Dunn 1931-5-30 Los Angeles Los Alisos Canyon Santa Monica Mtns Comment
  SBBG31029  Oxalis corniculata R. F. Thorne 1966-4-30 36331 Los Angeles Avalon 6 Comment
  UCR198393  Oxalis pes-caprae Valerie Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 673 Los Angeles Transverse Ranges; Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy, at La Tuna Canyon Road. Southsouthwest of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 518 Comment
  HSC8608  Oxalis pes-caprae Gerald T. Rood 1962-4-20 24 Los Angeles Palos Verdes Estates, at lower end Rd. behind Palos Verdes Swimming Club Comment
  POM353466  Oxalis pes-caprae F. R. Fosberg 1931-4-9 S 4523 Los Angeles Descanso Canyon, Santa Catalina Island. 5 Comment
  RSA64885  Oxytheca parishii var. parishii F. W. Peirson 1951-1 1782 Los Angeles Mt. Wilson, San Gabriel Mts Comment
  UC1584222  Oxytheca trilobata Tim Ross and Steve Boyd 1990-5-17 2594 Los Angeles Mill Creek Tree Plantation San Gabriel Mts., Angeles National Forest, Tujunga District 1612 Comment
  UCR276888  Oxytheca trilobata R. G. Swinney 2011-5-16 14748 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 1.18 mi. at 73 deg. SE of Colby Ranch Rd. & FS Rd. 3N19 in Big Tujunga Cyn., c. 450 m ENE of lodge in center of camp 1375 Comment
  RSA434247  Paeonia californica Freda Detmers 1929-2-2 s.n. Los Angeles Verdugo Hills, Glendale. Comment
  SFV21025  Paeonia californica L. Gross 2002-2-24 487 Los Angeles Verdugo Mountains Northwest side of mountains. Entered at corners of Ledge Ave. and Tuxford Street off of La Tuna Canyon Road in Sun Valley. West of McDonald Creek. Horse trail climbs in a north direction a ridge to top of crest, then a ridge from top of crest northward down the north side of crest to the community of Shadow Hills, where Sunland Blvd. runs through. 305 Comment
  RSA505262  Paeonia californica S. Zona, Oscar Dorado 1989-2-13 305 Los Angeles Mt. Baldy, Angeles National Forest, on Nature Trail just above dam near Ranger Station Comment
  RSA85311  Paeonia californica F. W. Peirson 1919-1-25 314 Los Angeles Foot of Arroyo Seco Canyon, Pasadena 381 Comment
  POM48090  Papaver argemone J. B. Feudge 1923-4-26 13 Los Angeles Arrowhead Springs. 442 Comment
  CAS-BOT-BC422784  Papaver californicum R. G. Swinney 1997-5-13 5516 Los Angeles San Gabriel Mtns: Water Canyon, a tributary from the north of San Gabriel River Canyon, north of Morris Dam. 439 Comment
  CAS-BOT-BC274174  Pappostipa speciosa A. D. E. Elmer 1902-6-1 3709 Los Angeles Acton, Mt. Gleason Comment
  CAS-BOT-BC403915  Parietaria hespera Martin A. Piehl 1962-6-10 62391 Los Angeles California Islands. Canyon east of Thirst. San Clemente Island 304 Comment
  CHSC98722  Parietaria hespera var. californica LeRoy Gross; Bill Hogshead, Valerie Soza 2003-5-29 956 Los Angeles Transverse Ranges; Verdugo Mountains region; west end of the mountains. At junction (saddle) of Verdugo motorway and Wildwood Fire Road. (Abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago.) We went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Motorway). Basically a triangle. UTM Zone: 3787689N 0378361E. 564 Comment
  RSA0108861  Parietaria hespera var. californica Steven A. Junak, Mark Hoefs, Keri Kirkland 1998-4-4 SCa- 520 Los Angeles Santa Catalina Island: Little Ripper's Canyon, just inland from beach. 9 Comment
  RSA714986  Parietaria hespera var. hespera A. C. Sanders 2003-5-22 26823 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel. 171 Comment
  UC625092  Parietaria hespera var. hespera F. R. Fosberg 1931-3-24 S 4349 Los Angeles Hamilton Canyon; Santa Catalina Island 50 Comment
  UCR248044  Parietaria judaica Kai T. Palenscar, Jonas Winbolt 2013-7-24 s.n. Los Angeles Coastal Plains & Basins; Los Angeles Basin region, City of Long Beach, northern side of Los Angeles River, under Pacific Coast Highway and West Anaheim Street overpasses 6 Comment
  RSA544560  Paspalum dilatatum Timothy S. Ross, Elizabeth Kellogg 1992-4-13 6148 Los Angeles San Clemente Island. Near Nots Pier, at mouth of draw below the Nots Pier road (38? NW, 785m distant from Jack Point lighthouse) Comment
  RSA0035478  Pectis prostrata Michael C. Long 2013-10-18 921 Los Angeles Irwindale, Santa Fe Dam County Park, picnic area lawn near far southwestern end of lake, site of annual Renaissance Fair and south of large covered picnic shelters 142 Comment
  SBBG79038  Pectocarya linearis subsp. ferocula F. R. Fosberg 1932-5-7 8158 Los Angeles ridge S of Grand Cyn 250 Comment
  CATA892  Pectocarya linearis subsp. ferocula Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-31 1707 Los Angeles Santa Catalina Island: Side canyon of Middle Canyon, across the road from large oak tree 237 Comment
  RSA0097014  Pectocarya linearis subsp. ferocula R. F. Thorne 1966-4-17 36101 Los Angeles San Clemente Island: mesa just NW of Thirst. 549 Comment
  UCR139433  Pectocarya linearis var. ferocula Reid Moran 1941-3-11 698 Los Angeles Channel Islands, ridge north of Middle Ranch, Santa Catalina Island 300 Comment
  UC1971257  Pectocarya penicillata Louis C. Wheeler 1963-5-5 8251 Los Angeles SAN GABRIEL MOUNTAINS: Bear Creek, off West Fork San Gabriel River. Comment
  RSA586631  Pectocarya recurvata T. S. Ross, Steve Boyd 1991-3-23 4269 Los Angeles Lovejoy Buttes, on the Mojave Desert: NE portion of the main buttes, west of Lovejoy Springs (destroyed by development 926 Comment
  UC1871225  Pectocarya setosa T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 5035 Los Angeles Transverse Ranges; San Gabriel Mountains region; 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash; Acton USGS 7.5' Quadrangle; T4N R13W, N/2 NE/4 NE/4 S1; elev. 2760-2880 ft. Comment
  RSA128261  Pedicularis densiflora H. J. Thompson 1959-3-31 1010 Los Angeles 0.7 mi from Triunfo Canyon, 2 mi. west of Cornell, Lobo Canyon. 244 Comment
  RSA0060468  Pedicularis semibarbata R. G. Swinney 2010-10-13 14044 Los Angeles Lily Spring, within 100 meters of main spring. 2454 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
  CAS-BOT-BC67706  Pellaea andromedifolia Ira L. Wiggins; L. R. Abrams 1931-7-6 350 Los Angeles San Clemente Island, vicinity of Mosquito Harbor Comment
  RSA3507  Pellaea andromedifolia C. B. Wolf 1932-5-9 3450 Los Angeles Santa Catalina Island: near base of cliff Pebbly Beach, hillside canyon 30 Comment
  RSA651838  Pellaea andromedifolia Witt, Prieur, Smith, Goebel, Hurley 1949-2-7 s.n. Los Angeles Santa Anita Canyon. 487 Comment
  RSA85028  Pellaea andromedifolia var. andromedifolia F. W. Peirson 1919-12-2 1513 Los Angeles West Fork of Rubio Canyon, south base of San Gabriel Mtns 762 Comment
  UCSB31752  Pellaea mucronata subsp. californica Miller, Brian 1960-7-7 Los Angeles Dawson Saddle Area, San Gabriel Mountains 2377 Comment
  UC1928581  Penstemon centranthifolius Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 05050 40 Los Angeles Transverse Ranges; San Gabriel Mountains region; Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. 1444 Comment
  UCR224261  Penstemon centranthifolius R. G. Swinney 2009-6-24 11275 Los Angeles Transverse Range; San Gabriel Mtns., summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1926 Comment
  RSA585778  Penstemon grinnellii subsp. grinnellii Orlando Mistretta 1995-6-11 1878 Los Angeles San Gabriel Mountains, Santiago Canyon, north slope of Pacifico Mountain, near summit. 2073 Comment
  RSA97010  Penstemon grinnellii subsp. grinnellii R. M. Straw 1954-6-7 599 Los Angeles Crystal Lake, upper San Gabriel River canyon, San gabriel Mountains. 1524 Comment
  POM49961  Penstemon heterophyllus A. D. E. Elmer 1902-06 3707 Los Angeles Acton, Mt. Gleason. Comment
  RSA579441  Penstemon labrosus Tim S. Ross, D. L. Banks 1994-6-21 7985 Los Angeles Vicinity of Pacifico Mountain: decending northerly ridge with Tie Canyon on the W, an upper tributary of Santiago Canyon on the E; ca. 2325 m NW of Pac. Mtn's 7124-foot summit. 1915 Comment
  SD230301  Penstemon rostriflorus Steve Boyd 1997-7-5 10005 Los Angeles Liebre Mountains Region: Southeastern flank of Liebre Mt. along ridge dividing Fish Canyon and Bear Canyon drainages, northeast of Atmore meadows, along rough dirt track following old fuel break. 1524 Comment
  RSA0059335  Pentagramma triangularis P. A. Munz, R. D. Harwood 1920-5-15 3937 Los Angeles Santa Monica Mts. Coldwater Canyon. 305 Comment
  RSA0065225  Pentagramma triangularis R. F. Thorne, J. Henrickson 1963-5-5 32300 Los Angeles Upper part of Cobal Canyon, foothills of San Gabriel Mts., ca. 4 miles N of Claremont. 518 Comment
  CAS-BOT-BC71670  Pentagramma triangularis subsp. triangularis George B. Grant; Walter Wheeler 1904-4-21 530 a/3350 Los Angeles Santa Catalina Island, Pacific Ocean, off southern California Comment
  POM155797  Pentagramma triangularis subsp. viscosa M. B. Dunkle 1928-4-21 1879 Los Angeles Santa Catalina Island: Renton Mine. 335 Comment
  RSA771579  Perideridia pringlei R. G. Swinney 2009-5-6 10655 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  SFV1551  Peritoma arborea K. A. Wilson 1961-2-8 837 Los Angeles San Gabriel Mountains Route 6, about 7 miles north of Forest Park. 745 Comment
  SEINET5767262  Peritoma arborea J. H. Barber 1898-2-22 367 Los Angeles Beach mouth of Topango Canyon Comment
  JEPS30661  Perityle emoryi Peter H. Raven and Henry J. Thompson 1959-10-4 40 Los Angeles opposite Canfields Pacific Palisades (Coast Highway); Santa Monica Mountains Comment
  SDSU382  Perityle emoryi R. M. Beauchamp 1967-1-28 135 Los Angeles Growing in canyon on South facing slope 1/2 mile southeast of Eel Point. San Clemente Island. Comment
  POM211791  Persicaria lapathifolia Louis C. Wheeler 1933-8-20 2087 Los Angeles Pine Canyon Dam, San Gabriel Canyon, San Gabriel Mountains. 305 Comment
  CAS-BOT-BC523907  Phacelia R. G. Swinney 2010-6-21 13279 Los Angeles San Gabriel Mountains: Angeles National Forest within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 mi N of Santa Clara Truck Trail via trail W of spring 902 Comment
  PASA1366  Phacelia bicolor Stason 1930-3-18 Los Angeles W. of Adelanto Comment
  RSA596017  Phacelia cicutaria var. hispida Tim S. Ross, J. Mark Porter 1995-5-4 8408 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  RSA748447  Phacelia cicutaria var. hispida Orlando Mistretta 1992-7-9 654 Los Angeles Transverse Ranges; San Gabriel Mountains region: Colby Creek Canyon Trail. Tujunga Ranger District. Comment
  UC1183058  Phacelia cicutaria var. hispida P. C. Everett and E. K. Balls 1960-5-30 24136 Los Angeles 2.2 mi n from entrance to Angeles National Forest; San Gabriel Canyon 365 Comment
  UCR205119  Phacelia cicutaria var. hubbyi R. G. Swinney 2008-4-17 8681 Los Angeles San Gabriel Mtns., San Dimas, lower Shay Canyon 366 Comment
  RSA0119543  Phacelia curvipes R. G. Swinney 2014-4-30 16277 Los Angeles San Gabriel Mountains; 3.8-4.0 miles s. of Hwy. 138 on w. side of Largo Vista Road to ridge, c. 100 meters to the west. 1387 Comment
  SBBG64858  Phacelia curvipes R. Hoffmann 1929-5-17 Los Angeles Big Rock Crk, Paradise Camp Comment
  RSA0116172  Phacelia distans R. G. Swinney 2011-4-19 14398 Los Angeles San Gabriel Mountains; San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  HSC24434  Phacelia distans M. B. Dunkle 1939-5-28 8122 Los Angeles N slope, E coast of San Clemente Island Comment
  POM3771  Phacelia distans C. F. Baker 1909-5-15 5343 Los Angeles Mountains near Claremont. Comment
  RSA592267  Phacelia distans Louis C. Wheeler 1967-5-12 9489 Los Angeles San Gabriel Mountains. Ravine south of summit 4174, east of Vincent. 1250 Comment
  RSA595455  Phacelia douglasii Tim S. Ross, Victor W. Steinmann 1995-5-8 8564 Los Angeles Slopes between Leona Valley and Lost Valley. 1098 Comment
  POM3803  Phacelia grandiflora Otis Hiatt 1916-6-3 s.n. Los Angeles Topanga Canyon. Santa Monica Mountains. Comment
  UC1183057  Phacelia grandiflora P. C. Everett and E. K. Balls 1960-5-30 24137 Los Angeles 2.2 mi n entrance to Angeles National Forest; San Gabriel Canyon 365 Comment
  SD72727  Phacelia hispida F. R. Fosberg 1931-3-23 S 4336 Los Angeles Hamilton Canyon, near Avalon, Santa Catalina Island. 24 Comment
  UC1046926  Phacelia imbricata L. R. Heckard 1953-6-14 501 Los Angeles roadbank above creek just s Sycamore Camp Ground; San Gabriel Mountains, Angeles National Forest, Little Rock 1219 Comment
  POM3793  Phacelia imbricata subsp. bernardina P. A. Munz 1918-5-16 2256 Los Angeles Claremont. Comment
  UCR159703  Phacelia imbricata subsp. patula Orlando Mistretta 1993-5-10 838 Los Angeles Transverse Ranges, San Gabriel Mtns: Big Rock Creek, Big Rock Creek Rd. just before the confluence of N and S Forks 1326 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
  UC192180  Phacelia longipes S. B. and W. F. Parish June 1887 1979 Los Angeles Rock Creek Comment
  CAS-BOT-BC482461  Phacelia minor R. G. Swinney 2010-4-20 12287 Los Angeles San Gabriel Mountains: Pacoima Wash, 0.2--0.4 mi N of Gavina Ave., near E end of Wallabi Ave. 433 Comment
  CHSC95435  Phacelia minor LeRoy Gross 2002-2-24 483 Los Angeles Los Angeles Basin; Verdugo Mountains Region: Northwest side; Entered at the corners of Ledge Ave. and Tuxford St. off La Tuna Canyon Road in Sun Valley. West of McDonald Creek. Low +- rounded foothills of Coastal sage scrub, horse trail climbs in a north direction a ridge to top of crest, then a ridge from top of crest northward down the north side of crest to the community of Shadow hills, where Sunland Blvd. runs through. 351 Comment
  RSA428075  Phacelia minor Frances Runyan 1973-4-7 38 Los Angeles Agua Dulce Canyon Rd., south of freeway 610 Comment
  RSA662184  Phacelia minor Giancarlo Massarotto 1981-5-28 54 Los Angeles Private home garden 1020 So. Valinda Ave. W. Covina. Comment
  UCSB33971  Phacelia minor Swanson, D. 1978-4-30 Los Angeles Shields Canyon 7 mi. north of Glendale in San Gabriel Mtns. 609 Comment
  LA99394  Phacelia parryi Walt Westman; E. R. Hobbs 1979-3-30 sn Los Angeles Santa Monica Mountains, Leo Carrillo State Park, Site #1 45 Comment
  RSA0088568  Phacelia ramosissima R. G. Swinney 2010-5-11 12697 Los Angeles East of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd. 872 Comment
  UC284698  Phacelia ramosissima var. latifolia I. Johnston 1917-5-6 1945 Los Angeles mouth San Antonio Canyon (dry wash) Comment
  RSA726017  Phacelia tanacetifolia A. C. Sanders, Tricia Wotipka, Mark A. Elvin 2003-4-28 26115 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 488 Comment
  IRVC28178  Phacelia viscida A. C. Sanders, Mark A. Elvin, et al. 2003-5-1 26275 Los Angeles NE side of Castaic Mesa, ca. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch Western San Gabriel Mtns. 396 Comment
  SBBG108948  Phalaris lemmonii S. A. Junak 1997-5-20 SCl 880 Los Angeles Ridge Rd, ca. 0.73 mi SSE of Thirst Pk, in extreme upper reaches of Cave Cyn 539 Comment
  POM356919  Phalaris minor H. L. Bauer 1929-3-20 s.n. Los Angeles Long Beach. Comment
  SEINET10643571  Phoenix dactylifera Heidi H. Schmidt 1999-10-10 Schmidt 3916 Los Angeles City of Santa Monica. Wild Oats Community Market: 500 Wilshire Blvd.: Santa Monica, CA: 90401: (310) 395-4510 - phone. 50 Comment
  RSA435570  Pholisma arenarium Unspecified 1899-06 s.n. Los Angeles Beach near Santa Monica Mts Comment
  LA81943  Pholistoma auritum O. H. Kappler; 1941-5-8 249 Los Angeles Santa Monica Mountains, upper Zuma Canyon, near summit of Mulholland Hwy 609 Comment
  UC1349369  Pholistoma auritum Robert F. Thorne 1966-4-5 35827 Los Angeles Cape Canyon Santa Catalina Isl., Cape Canyon 274 Comment
  UCR143398  Pholistoma auritum F. R. Fosberg 1931-4-13 S- 4592 Los Angeles Channel Islands, Santa Catalina Island, Pebble Beach Canyon, right fork 290 Comment
  UCR222767  Pholistoma auritum R. G. Swinney 2009-5-8 10695 Los Angeles Transverse Range; San Gabriel Mtns., Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  CAS-BOT-BC222554  Pholistoma auritum var. auritum Alice Eastwood 1906-5-27 25 Los Angeles Garvanza Comment
  SBBG41361  Pholistoma membranaceum J. P. Broughton, K. K. Muller 1971-4-2 1350 Los Angeles Soledad Cyn Rd, ca. 5 mi S of Palmdale Comment
  RSA660867  Pholistoma racemosum Orlando Mistretta 1992-4-4 130 Los Angeles San Clemente Island. Comment
  SBBG96983  Pholistoma racemosum S. Boyd with T. Ross, L. Arnseth 1990-4-8 4341 Los Angeles rocky ridges; E side of island near Malo Pt, second cyn S of Bryce Cyn Comment
  UC702045  Pholistoma racemosum Harlan Lewis 1946-5-2 104 Los Angeles summit w. of Avalon; Santa cataline Isl. Comment
  OBI81440  Phoradendron bolleanum R. G. Swinney 2009-11-13 11614 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert: confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station. 921 Comment
  RSA133180  Phoradendron macrophyllum Del Wiens 1958-12-10 2427 Los Angeles Cobal Canyon north of Claremont. 427 Comment
  CAS-BOT-BC141299  Phoradendron serotinum subsp. tomentosum Timothy S. Ross; Steve Boyd 1994-9-21 8317 Los Angeles Sanberg: 150-170 m SSE of town along the Old Ridge Route. Liebre Mountains 1277 Comment
  CAS-BOT-BC141304  Phoradendron serotinum subsp. tomentosum Del Wiens 1953-10-1 847 Los Angeles On US Hwy. 99, on the Ridge Route, near El Rancho 76 1066 Comment
  POM354332  Phoradendron villosum Louis C. Wheeler 1932-4-9 581 Los Angeles Kings Canyon near Elizabeth Lake. 1037 Comment
  RSA132734  Phoradendron villosum Del Wiens 1953-12-10 879 Los Angeles San Gabriel Mountains, Crystal Lake Area. 1677 Comment
  RSA0072467  Photinia arbutifolia var. macrocarpa Carl B. Wolf 1936-1-3 7692 Los Angeles Santa Catalina Island. Avalon, slopes at east side of valley. 61 Comment
  UCR277100  Pinus contorta subsp. murrayana R. G. Swinney 2010-9-23 13888 Los Angeles San Gabriel Mountains, summit of Middle Hawkins Peak on Hawkins Ridge 2593 Comment
  UCR124701  Pinus lambertiana B. C. Templeton 1932-5-31 4863 Los Angeles San Gabriel Mtns., between Big Pines Park and Jackson Lake, Angeles National Forest 2000 Comment
  RSA169009  Pinus ponderosa Mark Parratt 1964-4-8 623 Los Angeles Charlton Flats Recreation Area, Angeles Crest Highway 1646 Comment
  CAS-BOT-BC72760  Pinus sabiniana W. R. Dudley; F. H. Lamb 1896-6-8 4391 Los Angeles Kings Canyon, Liebre Mountains Comment
  SBBG13828  Piperia cooperi E. R. Blakley 1962-10-5 5438 Los Angeles ca. 2 mi from Rancho Escondido on the rd toward the airport 228 Comment
  RSA747450  Pistacia chinensis A. C. Sanders, T. B. Salvato 2009-5-21 36903 Los Angeles San Gabriel Valley: Whittier Narrows, between San Gabriel River and Rio Hondo, west side of Hwy 19 (Rosemead Blvd.) along road to shooting area, S of Hwy 60 along SCE powerlines. 64 Comment
  CAS-BOT-BC71781  Pityrogramma triangularis var. viscosa I. M. Johnston 1918-5-4 1926 Los Angeles Hills back of Laguna Beach 152 Comment
  SBBG63859  Plagiobothrys arizonicus R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  SD253410  Plagiobothrys arizonicus R. G. Swinney 2011-4-1 14288 Los Angeles San Gabriel Mts./SW Mojave Desert: WSW of Littlerock, Cheseboro Canyon, 0.4 mile S of California Aqueduct, 20-200 m west of Cheseboro Road (Palmdale 7.5'Q) 890 Comment
  SDSU21094  Plagiobothrys arizonicus Ian Cain, Bruce Lund 2010-5-10 1403 Los Angeles North west of Lancaster. 420 meters north of intersection of West Avenue C and 170th Street West, just east of road 811 Comment
  CATA1603  Plagiobothrys canescens Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Janet Takara 1998-5-1 2872 Los Angeles Santa Catalina Island: West side of Swain's Canyon, ridge to Whitley's Peak 432 Comment
  RSA714514  Plagiobothrys canescens A. C. Sanders 2003-4-16 26028 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, under powerlines south of Magic Mountain Parkway, near I-5 and new golf course. 366 Comment
  UC78066  Plagiobothrys canescens var. catalinensis T. S. Brandegee May 1890 Los Angeles Santa Catalina Island Comment
  UCR272568  Plagiobothrys collinus R. G. Swinney 2011-6-7 15039 A Los Angeles San Gabriel Mountains, Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road 1616 Comment
  SBBG98682  Plagiobothrys collinus var. gracilis T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5176 Los Angeles 1100 ft SSW of Twin Dams, 1450 ft NNW of Boulder marker (1859) 490 Comment
  UCR214458  Plagiobothrys leptocladus A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale, et al 2010-3-29 37632 Los Angeles Tehachapi Mtns. Foothills/ W Mojave Desert, ephemeral stream c. 0.7 mile ESE (103 deg. ) of Quail Lake, northeast of the intersection of the National Cement Plant Rd. and Hwy 138 1015 Comment
  UCR272567  Plagiobothrys tenellus R. G. Swinney 2011-6-7 15039 B Los Angeles San Gabriel Mountains, Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road 1616 Comment
  CATA1605  Plantago erecta Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Janet Takara 1998-5-1 2874 Los Angeles Santa Catalina Island: West side of Swain's Canyon, ridge to Whitley's Peak 432 Comment
  UCD124488  Plantago erecta Robert F. Thorne 1966-4-5 35870 Los Angeles Santa Catalina Island, Cottonwood Canyon. 106 Comment
  RSA605820  Plantago lanceolata Louis C. Wheeler 1966-10-27 9103 Los Angeles San Gabriel Mtns: Camp Rincon. Comment
  RSA412570  Plantago major Elbert Benjamine 1929-5-26 203 Los Angeles San Dimas Canyon, San Gabriel Mountains. Comment
  RSA382863  Platanthera leucostachys Louis E. Hoffman 1932-8-14 s.n. Los Angeles Mt. Islip, Angeles National Forest. 2439 Comment
  SEINET3818340 Image available Platanthera sparsiflora R. G. Swinney 1997-7-23 5722 Los Angeles San Gabriel Mountains; upper Government Canyon c. 2 miles west of Wrightwood Blue Ridge Mountain area 2377 Comment
  JEPS64468  Platanthera sparsiflora Frank W. Peirson 1919-6-6 504 Los Angeles North Fork San Antonio Creek San Gabriel Mountains (wet bank) 2286 Comment
  HSC104222  Platanus racemosa T. B. Salvato, H. Spencer Badet, Mitch Provance 2007-4-26 2087 Los Angeles Tehachapi Mountains Foothills: lower Big Sycamore Canyon 1000 Comment
  RSA401713A  Platanus racemosa Frances Runyan 1971-7-20 s.n. Los Angeles Near Davenport Road, Agua Dulce. Comment
  RSA0119007  Platystemon californicus T. B. Salvato 2007-4-27 2088 Los Angeles Tehachapi Mountains Foothills: Bronco Canyon, c. 0.5 mi above confluence with Pescado Creek. 1067 Comment
  UC1871059  Platystemon californicus T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4785 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  SEINET12102786  Platystemon californicus J. F. Bright, Wyman, C. 1931-1 5283 A Los Angeles Collected in Antelope Valley Comment
  SBBG123194  Plecostachys serpyllifolia R. Riefner 2008-12-27 08 -387 Los Angeles ocean bluff W of El Matador St Park; Malibu 6 Comment
  UCR252754  Pluchea odorata R. G. Swinney 2010-9-1 13654 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  RSA0015839  Pluchea odorata var. odorata LeRoy Gross, Evan Meyer, Bart O'Brien 2013-10-17 6211 Los Angeles Hansen Dam flood control basin, Big Tujunga wash, between foothill Blvd. and Wentworth street. West of the 210 freeway. Collected short distance east and west, just south of Orcas Park, off Orcas Ave. 315 Comment
  SBBG130578  Poa annua S. A. Junak 2000-3-30 SCa 1140 Los Angeles cmpgrd at Little Harbor, just inland from beach 6 Comment
  SFV21023  Poa bulbosa L. Gross, J. Gross, J. Gross, Jr., M. Gross 2002-4-27 533 Los Angeles San Gabriel Mountains West Fork San Gabriel River, Valley Forge Campground. 1057 Comment
  SBBG127079  Poa palustris A. Parikh, N. Gale 2011-6-28 3524 Los Angeles upper Big Tujunga Cyn, just E of Shortcut Station, 0.6 km N of St Hwy 2; San Gabriel Mtns 1282 Comment
  RSA230735  Poa pratensis subsp. pratensis R. F. Thorne 1969-7-9 38573 Los Angeles San Gabriel Mountains, Angeles National Forest: meadow at Big Pines. 2073 Comment
  RSA592490  Poa secunda Michael C. Long 1974-4-21 s.n. Los Angeles San Gabriel Mountains: Holocomb canyon 1220 Comment
  RSA715212  Poa secunda Gary D. Wallace, Bob Gustafson, Dave Minor, M. Wallace, F. Runyon, B. Birdsal 1982-4-26 1947 Los Angeles Fort Tejon Road. Comment
  RSA728292  Poa secunda Gary D. Wallace, B. Gustafson, Dave Minor, M. Wallace, F. Runyon, B. Birdsal 1982-4-26 1959 Los Angeles Fort Tejon Road Comment
  CAS-BOT-BC236205  Poa secunda subsp. secunda L. R. A. 1901-4-1 1262 Los Angeles Santa Monica Mountains Comment
  RSA587471  Poa secunda subsp. secunda Orlando Mistretta, Steve Boyd, Darin L. Banks 1994-4-29 1119 Los Angeles Santiago Canyon. Ridge on W edge of Santiago Cyn. watershed, approximatly 1 mi. S of Mt. Emma. 1524 Comment
  RSA600740  Poa secunda subsp. secunda L. C. Wheeler 1955-4-17 7138 Los Angeles Little Rock Creek at confluence with Bare Mountain Canyon.. . Comment
  UC149783  Poa secunda subsp. secunda H. M. Hall May 1 1902-May 3 1902 3089 Los Angeles vicinity of Elizabeth Lake (Pine Canyon); Antelope Valley Comment
  CLARK-A1528-2456  Polycarpon tetraphyllum John C. Roos 1958-5-2 Los Angeles West Los Angeles Comment
  UCR150881  Polycarpon tetraphyllum Valerie Soza, LeRoy Gross 1999-7-15 633 Los Angeles Transverse Ranges; San Gabriel Mtns, Helispot off Mt Wilson Trail, 2.7 mi from trailhead in Sierra Madre 823 Comment
  UCR259384  Polycarpon tetraphyllum R. G. Swinney 2010-4-20 12281 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UC1313044  Polycarpon tetraphyllum June McCaskill 1965-6-6 700 Los Angeles Pasadena; McCaskill Gardens, 25 South Michillinda Avenue Comment
  RSA460141  Polygala cornuta var. fishiae Theodore Payne 1917-08 3263 Los Angeles Craggs Club [possibly The Crags Country Club] Santa Monica Range Comment
  SD248475  Polygala cornuta var. fishiae Kai T. Palenscar 2013-6-12 Los Angeles Transverse Ranges: San Gabriel Mountains region: 100 m east of Santa Anita Wash channel, S base of San Gabraiel Mountains, City of Arcadia (Mount Wilson 7.5'Q) 195 Comment
  CAS-BOT-BC110517  Polygonum Joseph Andorfer Ewan 1931-2-2 4008 Los Angeles Rio Hondo River at Montebello. Comment
  RSA158292  Polygonum arenastrum Peter H. Raven 1962-7-11 18016 Los Angeles Common in docks area, Wilson Cove, San Clemente Island Comment
  RSA466391  Polygonum argyrocoleon House, Grumbles Grumbles 1930-8-5 s.n. Los Angeles San Clemente Island. Comment
  CDA2838  Polygonum aubertii G. C. Fleischman 1956-11-7 Los Angeles Beside the signal tower, P.E.R.R. crossing of the railroad in East Pasadena, & since tower was removed still persists. 0 Comment
  SBBG128207  Polygonum aviculare M. G. Simpson, A. Russell, J. Dunn 2000-7-20 2195 Los Angeles Horse Beach Cyn, ca. 2.3 mi N of China Point 183 Comment
  RSA464421  Polygonum aviculare M. B. Dunkle 1933-4-14 3300 Los Angeles Long Beach. Comment
  RSA12388  Polygonum aviculare subsp. aviculare Carl B. Wolf 1934-4-11 5600 Los Angeles Bryant Ranch E. of Long Beach on mesa. 100 ft. NE of concrete mon. 15 Comment
  CDA969  Polypodium californicum D. G. Kelch 1991-3-23 1312 Los Angeles Catalina Island. East of Avalon. Comment
  LA94048  Polypodium californicum Lawrence L. Kiefer; 1966-3-13 1732 Los Angeles SANTA MONICA MOUNTAINS, Zuma Canyon, ca 2.5 mi from mouth of canyon. 152 Comment
  RSA689869  Polypodium californicum Albert J. Perkins 1895-4-18 s.n. Los Angeles Mt. Lowe Comment
  SD51917  Polypodium californicum Peter H. Raven 1962-4-12 17341 Los Angeles San Clemente Island, Wilson Cove 74 Comment
  SDSU3573  Polypodium californicum J. Godsil 1952-4-28 218 Los Angeles Little Dalton Canyon, above Geendora, 366 Comment
  CAS-BOT-BC71893  Polypodium californicum Marcus E. Jones 1926-3-13 s.n. Los Angeles Santa Ana Canyon Comment
  RSA529287  Polypodium californicum T. S. Ross 1991-4-8 4468 Los Angeles Elephant Hill: western Pomona., Range of site elevation: ca 750-1165 ft. 311 Comment
  UCSB62474  Polypodium californicum Kendall, M. 1921-2-11 Los Angeles Fish Canon Comment
  UCSB62489  Polypodium californicum Kiefer, Lawrence 1966-4-16 Los Angeles Santa Monica Mtns., S of Tarzana, Caballero Creek, ca. 1mi S of the end of Reseda Blvd 304 Comment
  UCSB62497  Polypodium californicum Kiefer, Lawrence 1966-6-4 Los Angeles San Gabriel Mtns., N of Claremont, Plamer Canyon , ca. 0.25mi N of the end of the road 701 Comment
  RSA0115259  Polypogon monspeliensis Richard G. Swinney 2010-5-25 12940 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA588973  Polypogon monspeliensis Orlando Mistretta 1994-6-6 1325 Los Angeles Little Rock Creek. Slopes on east side of canyon S. of jct. of Forest Service roads 4N15 and 5N04.3. 1311 Comment
  RSA618693  Polypogon monspeliensis LeRoy Gross 1998-9-20 76 Los Angeles Southern base San Gabriel Mtns.: Tujunga Ponds. West of 210 freeway in big Tujunga wash, city of Sunland 365 Comment
  RSA764410  Polypogon monspeliensis Justin M. Wood 2009-8-18 1257 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  SBBG59504  Polypogon monspeliensis M. N. Ackley -Jun-1927 12 Los Angeles Sycamore Park 228 Comment
  CAS-BOT-BC237497  Polypogon viridis Edgar A. Mearns; L. Schoenfeldt 1894-6-22 3679 Los Angeles Cameron's Ranch Laguna Comment
  UCD91456  Polypogon viridis P. C. Everett; E. K. Balls 1960-5-30 24133 Los Angeles San Gabriel Canyon, 2.5 mile from Azusa. 243 Comment
  RSA799857  Polystichum imbricans Monica Rodriguez, Michelle Terrazino, Naomi Fraga 2013-7-23 4 Los Angeles Glendora Ridge Road 1288 Comment
  RSA0091789  Polystichum munitum R. G. Swinney 2011-11-1 15953 Los Angeles confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 634 Comment
  POM9792  Polystichum scopulinum F. W. Peirson 1921-6-17 2464 Los Angeles canyon on divide between Little Rock Creek tributary and Bear Creek, San Gabriel Mts. 1920 Comment
  POM184694  Populus balsamifera subsp. trichocarpa Joseph A. Ewan 1932-6-12 7374 Los Angeles Stuart Mill. Mill Creek Fork. Tujunga Creek. San Gabriel Mtns. 960 Comment
  RSA573698  Populus balsamifera subsp. trichocarpa Tim S. Ross 1990-8-17 3154 Los Angeles Icy springs in upper Big Rock Creek 1752 Comment
  UCR145182  Populus fremontii June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains foothills/Mojave Desert, Bob's Gap and Valyermo Road 1250 Comment
  POM122021  Populus trichocarpa Marcus E. Jones 1882-2-28 s.n. Los Angeles Pasadena. Comment
  CAS-BOT-BC452112  Potamogeton crispus A. J. McClatchie 1896-1-20 s.n. Los Angeles Arroyo Seco Comment
  CDA789  Potamogeton crispus Forest Service Personnel 1958-6-26 s.n. Los Angeles Jackson Lake. 0 Comment
  UC185976  Potamogeton foliosus A. D. E. Elmer June, 1902 3503 Los Angeles Lancaster Comment
  RSA577451  Potamogeton foliosus L. C. Wheeler 1932-8-28 1303 Los Angeles Puddingstone Canyon, San Jose Hills, S. San Dimas. 259 Comment
  SEINET3892989  Potamogeton pectinatus Louis C. Wheeler 1945-8-15 6088 Los Angeles El Monte: Lake Shangri-La. Margin of sunny lake.; 0 Comment
  SBBG118562  Proboscidea lutea R. F. Thorne 1969-10-31 37869 Los Angeles Rancho Santa Ana Botanic Garden 365 Comment
  UCR136938  Proboscidea lutea C. W. Tilforth 1973-10-2 959 Los Angeles San Gabriel Valley, Rancho Santa Ana Botanic Garden [Claremont] 427 Comment
  SEINET10957101 Image available Prunus armeniaca Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2583 Los Angeles City of San Gabriel. Howie's Ranch Market, 6580 N. San Gabriel. Comment
  RSA34905  Prunus fasciculata var. fasciculata D. F. Howe 1947-5-6 s.n. Los Angeles North face San Gabriel Mountains. Comment
  RSA0085548  Prunus ilicifolia R. G. Swinney 2010-3-30 12105 Los Angeles Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway. 207 Comment
  RSA0115275  Prunus ilicifolia Richard G. Swinney 2010-5-25 12911 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA773612  Prunus persica R. G. Swinney 2009-6-27 11288 Los Angeles San Gabriel River Wash, Azusa/Duarte border, 0.5 mi. north of Puente Largo railway bridge. 194 Comment
  UCR108332  Prunus persica L. C. Wheeler 1968-8-22 s.n. Los Angeles San Gabriel Mtns., below Silver Fish Truck Trail [2N28], first canyon south of Water Canyon 610 Comment
  RSA725834  Prunus virginiana var. demissa R. G. Swinney 1997-6-25 5653 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
  LA32061  Pseudognaphalium biolettii Peter H. Raven; 1959-2-15 13786 Los Angeles Santa Monica Mountains, Brown Canyon, 2.6 mi N of Sunset Blvd on Beverly Glen Blvd 213 Comment
  POM6749  Pseudognaphalium biolettii P. A. Munz, S. Williams 1919-3-8 2298 Los Angeles Pomona. Comment
  RSA177874  Pseudognaphalium biolettii R. F. Thorne, P. Everett 1965-5-11 34677 Los Angeles Above summit road from Avalon to airport, Santa Catalina Island 61 Comment
  UC1587672  Pseudognaphalium biolettii Tim Ross 1991-4-21 4540 Los Angeles ridge on N side of Turnbull Canyon; Whittier Hills (Puente Hills, pro parte) 304 Comment
  RSA226221  Pseudognaphalium biolettii Gary D. Cromwell, David W. Wheat 1971-5-14 655 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mts. 2 mi. NE of Glendora. 549 Comment
  CAS-BOT-BC357288  Pseudognaphalium microcephalum Ernest Braunton 1902-9-1 673 Los Angeles Los Angeles Comment
  UC73942  Pseudognaphalium stramineum J. Q. Adams 1905-1-1 7 Los Angeles Soldiers' Home Comment
  UC1272458  Pseudotsuga macrocarpa J. A. Ewan 1934-8-8 8379 Los Angeles 1/4 mi above Big Cienga Camp (Mount Islip trail); San Gabriel Mountains 2057 Comment
  UCSB12271  Pseudotsuga macrocarpa Suter, Richard 1961-2-25 Los Angeles 10 yds. northeast of Angeles Crest Highway at Junction with Mt. Wilson Turnoff above La Canada, California 1249 Comment
  RSA393775  Psilocarphus tenellus Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  SEINET10545325  Ptelea crenulata Walter H. Lewis Lewis 15644 Los Angeles Rancho Santa Ana Botanical Garden, Claremont. Comment
  UCR270859  Pterospora andromedea R. G. Swinney 2011-8-17 15656 Los Angeles San Gabriel Mountains, Ridge to the imm. west of Lily Spring, c. 100 meters s. of SR 2 (Angeles Crest Hwy.), n. slope of Mt. Hawkins 2329 Comment
  RSA0110790  Pterostegia drymarioides Richard G. Swinney 2010-6-8 13237 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. 598 Comment
  RSA640815  Pterostegia drymarioides Louis C. Wheeler 1931-5-17 s.n. Los Angeles Base of San Gabriel Mountains: San Dimas canyon Comment
  RSA749035  Purshia glandulosa R. G. Swinney 2008-5-2 8743 Los Angeles Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  UCD166194  Purshia tridentata var. glandulosa Jack Major 1962-4-15 759 Los Angeles On road to Big Pines above Valyermo, north side of San Antonio Peak. (Exact location unknown. Coordinates estimated by label maker.) 1390 Comment
  RSA783520  Pycnanthemum californicum J. D. Olmsted 1959-9-29 1038 Los Angeles Spring at Kerchoff Ranch just south of Baldy town in meadow above apple orchard. San Gabriel Mt. Range. 1311 Comment
  RSA0080547  Pyrola dentata Orlando Mistretta, Joe Mistretta 1992-9-22 827 Los Angeles San Gabriel Mountains: Cooper Canyon. 1902 Comment
  UCSB27895  Quercus X grandidentata Lloyd, Robert 1959-10-2 Los Angeles 11 miles north of Glendora on Glendora Mtn. Rd., San Gabriel Mts. 975 Comment
  SBBG128174  Quercus X macdonaldii B. E. Carter, J. Clark 2012-8-9 6963 Los Angeles Bulrush Cyn, below Salta Verde turnoff 255 Comment
  SBBG13564  Quercus X macdonaldii E. R. Blakley 1961-9-23 4717 Los Angeles SE side of Catalina Harbor 15 Comment
  UC848118  Quercus X macdonaldii Carl B. Wolf 1932-10-5 Los Angeles s side Black Jack Peak (below Worker's Dormitories); Santa Catalina Island 304 Comment
  RSA703430  Quercus agrifolia var. agrifolia R. E. Riefner Jr. 2000-8-29 748 Los Angeles N of Azusa, along Hwy. 39, upper canyon, near Morris Reservoir. 352 Comment
  UCSB1037  Quercus agrifolia var. agrifolia Wedberg, H. 1957-3-3 Los Angeles Old Topanga Canyon Comment
  RSA594977  Quercus berberidifolia Tim S. Ross 1995-4-7 8369 Los Angeles Old Ridge Route': 2.9 road miles NNW of its intersection with Templin Highway; ca. 1840 m WNW of the confluence of Castaic Creek and Fish Canyon. 927 Comment
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Jul 11 2016
  UCD45239  Quercus berberidifolia F. W. Peirson 1919-5-11 404 Los Angeles Arraster Creek, San Gabriel Mountains. 853 Comment
  UCR55880  Quercus berberidifolia J. A. Adams 1965-4-24 138 Los Angeles San Gabriel Mtns., Ely Canyon. 762 Comment
  UCSB58660  Quercus berberidifolia Muller, Cornelius 1945-3-20 Los Angeles 10 mi. S. of Caswell, 12 mi N. of Castaic Comment
  RSA475270  Quercus chrysolepis Mark Hoefs 1974-10-3 593 Los Angeles Santa Catalina Island: Upper Fern Canyon -ridge between Mt. Orizaba & Mt. Banning. 518 Comment
  RSA476891  Quercus chrysolepis L. E. Hoffman 1934-7-24 s.n. Los Angeles Holcomb Creek, Angeles National Forest, San Gabriel Mts. Comment
  UCD45552  Quercus chrysolepis Ernest Braunton 1928-8-5 6383 Los Angeles San Gabriel Canon. Comment
  CAS-BOT-BC86239  Quercus dumosa Le Roy Abrams; I. L. Wiggins 1931-7-4 332 Los Angeles Santa Catalina Island. White's Landing Comment
  CAS-BOT-BC86365  Quercus dumosa Dr. H. E. Hasse A Los Angeles Sierra Santa Monica Comment
  SEINET5792299 Image available Quercus dumosa Marcus E. Jones 1882-1 3034 Los Angeles Pasadena, California Comment
  UCSB34856  Quercus dumosa R. Lloyd 1959-3-3 12 Los Angeles IN GANESHA HILLS POMONA (NEAR CORNER OF HILLCREST AND N HILL RD) 274 Comment
  JEPS37347  Quercus durata Theodore Payne 1927-11-5 5 Los Angeles San Gabriel Canyon San Gabriel Mts. 609 Comment
  JEPS37348  Quercus durata Theodore Payne 1907-11-5 4 Los Angeles San Gabriel Canyon San Gabriel Mts. 609 Comment
  POM270185  Quercus durata var. gabrielensis Lyman Benson 1946-10-15 12202 Los Angeles South margin, 2 miles north of Claremont; San Gabriel Mt. 457 Comment
  UCR108668  Quercus engelmannii L. C. Wheeler 1936-1-19 4070 Los Angeles San Gabriel Mtns., Monrovia: edge of mountains, just above Pottinger Sanitarium. 305 Comment
  POM273364  Quercus john-tuckeri Lyman Benson 1947-10-9 12837 Los Angeles 5 miles northeast [NW?] of Big Pine on Valyermo Road. San Gabriel Mt. Mojave Desert. 1677 Comment
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Mar 24 2015
  RSA603680  Quercus john-tuckeri Steve Boyd 1997-9-17 10046 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. 854 Comment
  POM20907  Quercus lobata Fordyce Grinnell Jr. 1917-4-10 s.n. Los Angeles Pasadena. Comment
  JEPS37773  Quercus pacifica Blanche Trask 1901-1-1 Los Angeles Bullrush Canyon Santa Catalina Island Comment
  POM49285  Quercus pacifica L. W. Nuttall 1920-5-18 s.n. Los Angeles Santa Catalina Island. Comment
  CAS-BOT-BC104432  Quercus tomentella P. C. Everett 1934-10-1 6207 Los Angeles Santa Catalina Island, 1/4 Mi above Mexican Settlement in left (E.) fork of Pebble Beach Canyon 121 Comment
  RSA472410  Rafinesquia californica M. B. Dunkle 1929-10-20 2149 Los Angeles Howland's, Santa Catalina island. Comment
  SD252288  Rafinesquia californica Steven A. Junak 2000-5-19 Sca 1331 Los Angeles Santa Catalina Island: SE portion of 1999 burn, above Goat Harbor, ca. 0.67 mile SSW of Goat Harbor. 384 Comment
  UCR260031  Rafinesquia californica R. G. Swinney 2010-4-21 12323 Los Angeles San Gabriel Mountains, Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash 457 Comment
  UCR281315  Rafinesquia californica R. G. Swinney 2014-5-8 16443 Los Angeles San Gabriel Mountains, near Lang, 50-100 meters SW of Soledad Cyn. Rd. at a curve, Santa Clara Wash and Bee Cyn. confluence 537 Comment
  SBBG82792  Ranunculus californicus var. californicus M. Bufkin -Apr-1895 Los Angeles Pasadena Comment
  CAS-BOT-BC378870  Ranunculus californicus var. californicus Henry J. Thompson 1959-4-12 1917 Los Angeles Mulholland Highway 0.25 mi west of Las Virgenes Road 183 Comment
  SFV1508  Raphanus sativus K. A. Wilson 1961-3-1 877 Los Angeles San Fernando Valley Tarzana. Topham Street, corner of Etiwanda Ave. Weed patch near railroad tracks. 225 Comment
  POM397  Raphanus sativus C. N. Carter 1909-5-11 s.n. Los Angeles Claremont. Comment
  SD252302  Raphanus sativus Steven A. Junak 2000-5-18 Sca 1301 Los Angeles Santa Catalina Island: N side of N Shore Road, 0.6 mile E of turn-off for Howland's Landing. 39 Comment
  UCR274077  Raphanus sativus Steven A. Junak 2000-5-18 SCa- 1301 Los Angeles Channel Islands, Santa Catalina Island, north side of North Shore Road, 0.6 mile easy of turn-off for Howland's Landing Comment
  UC1071552  Rhamnus californica R. St. John 1930-1-26 80 Los Angeles Santa Monica Mt. Mesa Peak Calabasas Quad. 335 Comment
  RSA652635  Rhamnus californica subsp. californica Marion P. Harthill 1974-5-23 1514 Los Angeles Crystal Lake Rd., Rt. 39. 1098 Comment
  RSA669702  Rhamnus crocea LeRoy Gross, Naomi Fraga, Bill Hogshead 2002-3-21 501 Los Angeles Southwest side; South of La Tuna Canyon Road, at end of Morning Glow Way. On northwest facing slope, in small canyon above (east) of Village Christian School in Sun Valley. 366 Comment
  UCR273541  Rhamnus crocea subsp. crocea R. G. Swinney 2011-3-18 14141 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  RSA1649  Rhamnus ilicifolia Ralph Hoffmann 1931-5-3 324 Los Angeles San Francisquito Canyon. Comment
  RSA611533  Rhamnus ilicifolia Louis C. Wheeler 1968-9-29 s.n. Los Angeles San Gabriel Mountains: Cattle Canyon, 1 mile E of mouth of Coldwater Canyon. 945 Comment
  UC592780  Rhamnus ilicifolia unknown 1927-7-24 670 Los Angeles 0.5 mi e Montrose Comment
  UC80243  Rhamnus ilicifolia Minnie Reed Los Angeles near Pasadena Comment
  UCR271671  Rhamnus ilicifolia R. G. Swinney 2011-5-31 14920 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  CAS-BOT-BC200706  Rhus aromatica Alice Eastwood 1906-6-5 227 Los Angeles Roscoe Comment
  CAS-BOT-BC170455  Rhus integrifolia Louis C. Wheeler 1933-6-17 1862 Los Angeles Claremont 365 Comment
  RSA0087022  Rhus integrifolia R. G. Swinney 2010-4-30 12451 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
  RSA386492  Rhus integrifolia A. M. Johnson 1933-5-20 4286 Los Angeles Azusa flats. Comment
  RSA653535  Rhus integrifolia Ian Thompson 1997-2-14 14 Los Angeles Cal Poly Pomona Ecological Reserve, ridge east of C-line. Comment
  SBBG31255  Rhus integrifolia R. F. Thorne with P. C. Everett 1965-6-22 34917 Los Angeles S of Avalon Golf Course 91 Comment
  UCR210738  Rhus integrifolia R. G. Swinney 2009-1-19 9998 Los Angeles San Gabriel Mtns., Duarte, 1.5 mi. north of Foothill Blvd. at El Encanto Dr., 100-300 m east of Fish Canyon Rd., confluence of Fish Canyon and San Gabriel River 207 Comment
  LA94286  Rhus ovata Carl Epling; Lincoln Ellison 1929-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA0091779  Rhus ovata R. G. Swinney 2011-4-9 14358 Los Angeles NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  UCD116935  Rhus ovata Marc Meyer 1993-2-27 3 Los Angeles Santa Susana Mts., 2 mi. N of Mason Ave. and 118 Fwy. 400 Comment
  UCR210737  Ribes amarum R. G. Swinney 2009-1-19 10002 Los Angeles San Gabriel Mtns., Azusa, Hwy 39 at El Encanto Rivers and Mountains Conservancy entrance, 1.9 mi. NE of Sierra Madre Ave. 232 Comment
  UCSB2585  Ribes amarum Kraebel, C. 1932-1 Los Angeles San Dimas Canyon; Angeles Forest Comment
  LA201959  Ribes aureum var. gracillimum Arthur C. Gibson; 2004-3-17 5012 b Los Angeles Santa Monica Mountains, Franklin Canyon, above main parking lot above reservoir Comment
  RSA602693  Ribes aureum var. gracillimum Louis C. Wheeler 1952-3-30 6845 Los Angeles San Gabriel Mountains: Little Tujunga Guard Station. 381 Comment
  RSA639739  Ribes aureum var. gracillimum Louis C. Wheeler 1969-4-5 s.n. Los Angeles San Gabriel Mountains: Marek Canyon across the road from Karl Holton Camp. 427 Comment
  SFV1608  Ribes aureum var. gracillimum P. G. Kilburn 1958-3-11 660 Los Angeles San Gabriel Mountains Tapia Canyon, just north of Wayside Honor Ranch property, Castaic. 480 Comment
  UCR205541  Ribes aureum var. gracillimum A. C. Sanders, T. B. Salvato 2009-5-21 36899 Los Angeles San Gabriel Valley, Whittier Narrows near South El Monte, north of San Gabriel River channel and SE of Durfee Ave., west half of Whittier Narrows Nature Center along SCE powerlines 70 Comment
  UCR231784  Ribes aureum var. gracillimum Darren T. Hasegawa 2007-4-8 s.n. Los Angeles San Gabriel Mtns. Area, Pasadena, adjacent to Rose Bowl 256 Comment
  UCR92061  Ribes aureum var. gracillimum Scott D. White 1995-2-7 2513 Los Angeles San Gabriel Mtns., Picnic area, Lopez Cyn. Rd. +-2 mi north of Foothill Boulevard 488 Comment
  LA50712  Ribes californicum var. hesperium Harlan Lewis; Carl Epling 1941-1-28 sn Los Angeles 566 Comment
  RSA291590  Ribes californicum var. hesperium C. W. Tilforth, Walter Wisura 1979-5-15 1796 Los Angeles Johnson s Pasture above Claraboya, n. of Pomona. Comment
  CAS-BOT-BC173120  Ribes indecorum Louis C. Wheeler 1932-2-10 443 Los Angeles Thompson Creek Dam near Claremont 502 Comment
  RSA640253  Ribes indecorum Robert F. Thorne 1971-3-25 41505 Los Angeles San Gabriel Mountains: Lower Evey Canyon off San Antonio Canyon 716 Comment
  UCR11991  Ribes indecorum H. J. Thompson 1959-2-20 1839 Los Angeles Western Transverse Range; Santa Monica Mtns., narrow portion of canyon, 2 mi from ocean, La Tuna Canyon 335 Comment
  CAS-BOT-BC173405  Ribes malvaceum John Thomas Howell 1928-3-4 3378 Los Angeles Near Santa Monica in the Santa Monica Mts. Comment
  OBI26242  Ribes malvaceum Mark E. Schneider 1974-1-28 s.n. Los Angeles Deliban Rd, 7 Hills Ranch, Tujunga 427 Comment
  UC1127329  Ribes malvaceum A. D. Gifford 1934-4-23 151 Los Angeles 2 mi ne Castro Peak; Triunfo Pass Quadrangle Comment
  UCR71253  Ribes malvaceum Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4307 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, first canyon south of Bryce Canyon Comment
  RSA590589  Ribes malvaceum var. viridifolium Tim S. Ross, W. Appleby 1993-5-20 7191 Los Angeles Western San Gabriel Mts.: vicinity of Wilson Canyon Saddle. 948 Comment
  OBI66305  Ribes nevadense Steve Boyd 2004-5-18 11306 Los Angeles Transverse Ranges:Liebre Mtns region: Atmore Meadows area Comment
  RSA250473  Ribes nevadense Robert F. Thorne 1967-10-10 37365 Los Angeles Angeles National Forest: 1.5 mi. E of Dawson Saddle 2332 Comment
  RSA264157  Ribes nevadense W. Wisura 1977-6-17 3681 Los Angeles Along trail to Blue Ridge. Comment
  UCR277177  Ribes nevadense R. G. Swinney 2010-9-30 13947 Los Angeles San Gabriel Mountains, 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon 2341 Comment
  CAS-BOT-BC209697  Ribes quercetorum F. V. Coville; R. Bacigalupi 1925-4-19 177 Los Angeles 1 mi north of Sanberg's Ridge Route, Sierra Liebre 1097 Comment
  RSA0023185  Ribes quercetorum Steve Boyd, Lauren Raz 1997-3-26 9348 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
  SD215556  Ribes quercetorum Steve Boyd, Timothy S. Ross 1997-3-21 9211 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Tropedel Spriong. 1182 Comment
  UC284837  Ribes quercetorum P. A. Munz 1923-6-9 6935 Los Angeles canyon n Pine Canyon; Liebre Mts. 1219 Comment
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Jun 19 2015
  UCR95527  Ribes quercetorum Steve Boyd 1996-4-25 8679 Los Angeles San Gabriel Mtns, Liebre Mtns, Knapp Ranch area at upper end of Castaic Creek drainage in broad valley at head of Cienaga Cyn, south of Liebre Mtn. From gate at old inholding boundary near spring area along Forest Service Road 7N22 down to beginning of extensive wetland south of the old dry pastures 1000 Comment
  RSA454970  Ribes roezlii T. S. Clare 1931-1-1 15898 Los Angeles San Gabriel Mtss, Orchard Camp. 1372 Comment
  UC203703  Ribes roezlii A. D. E. Elmer June, 1902 3604 Los Angeles Acton Comment
  UC1587631  Ribes speciosum Tim Ross 1991-4-21 4509 Los Angeles Lower Turnbull Canyon drainage Whittier Hills (Puente Hills, pro parte) 182 Comment
  UCSB11540  Ribes speciosum Haines, Bruce 1962-3-11 Los Angeles 5 miles north of the Pacific Ocean; on California Highway 27; Topanga 259 Comment
  UC1595396  Ricinus communis Tim Ross, Peter Fritsch 1990-6-20 3696 Los Angeles between Spinks Canyon and Van Tassel Canyon (Forest Service Rd 1N36 heading s from Rincon-Red Box Rd, San Gabriel Mountains); San Gabriel Mountains, Forest Service Rd 1N36 755 Comment
  PASA1625  Romneya coulteri Geneveive Torrey Los Angeles Altadena Comment
  RSA746843  Rorippa curvisiliqua R. G. Swinney 2008-4-30 8696 Los Angeles Glendora, Big Dalton Canyon Debris Basin 341 Comment
  RSA525100  Rosa californica Tim S. Ross, Steve D. Boyd 1990-6-6 2855 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  UCSB8443  Rosa californica McElwain, Isabelle 1953-5-18 Los Angeles Zelzah Ave, short distance N. of intersection between Zelzah avenue and Lerdo avenue; Granada Hills 457 Comment
  RSA133760  Rubus ursinus Peter H. Raven 1959-3-15 13849 Los Angeles Just east of Zuma Beach, Point Dume. 21 Comment
  UCR205084  Rubus ursinus R. G. Swinney 2008-4-10 8631 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lodi Canyon, west of San Dimas Reservoir 463 Comment
  UCR205936  Rubus ursinus A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37061 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
  UCR258582  Rubus ursinus R. G. Swinney 2010-4-23 12361 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR269970  Rumex conglomeratus R. G. Swinney 2010-6-29 13387 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center 305 Comment
  SBBG12108  Rumex crispus P. H. Raven 1962-4-10 17189 Los Angeles above Wilson Cove 91 Comment
  UCR205079  Rumex crispus R. G. Swinney 2008-4-9 8625 Los Angeles San Gabriel Mtns., Glendora, Wildwood Canyon 329 Comment
  RSA482520  Rumex crispus Richard Noyes, L. Arnseth 1988-4-30 505 Los Angeles Claremont; 100 meters east of Thompson Creek Dam 500 Comment
  RSA579215  Rumex salicifolius Tim S. Ross, S. D. Boyd 1994-7-7 8157 Los Angeles Upper Cienaga Canyon: South base of Liebre Mountain, just on the N side of the 'Kelley Ranch' inholding (USFS map, 1958; 'Knapp Ranch', Angeles National Forest map, 1982) 1000 Comment
  RSA640883  Rumex salicifolius var. salicifolius Louis C. Wheeler 1967-8-8 10402 Los Angeles San Gabriel Mts., Angeles National Forest: confluence of Alder Creek and East Fork 1250 Comment
  UC1595236  Rumex salicifolius var. salicifolius Tim Ross and Peter Fritsch 1990-6-20 3599 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
  RSA353676  Sagittaria Anstruther Davidson s.n. Los Angeles Near Ballona. 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
  RSA646293  Salix exigua Orlando Mistretta 1992-7-14 s.n. Los Angeles San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District. Comment
  UCR126674  Salix exigua A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26214 Los Angeles Western San Gabriel Mtns., Castaic Valley along Castaic Creek 0-2 km downstream from Lake Hughes Rd., Newhall Ranch 351 Comment
  UC846159  Salix exigua var. hindsiana Ivan Johnston 1917-5-13 1242 Los Angeles El Monte 91 Comment
  RSA597810  Salix laevigata Louis C. Wheeler 1969-4-20 s.n. Los Angeles Liebre Mountains. Wagon Wheel Ranch, Aliso Canyon. Comment
  UC482204  Salix laevigata Mrs. H. P. Bracelin and F. R. Fosberg 1931-10-11 568 Los Angeles 2.5 km. w Ocean Beach; Santa Monica Mts., Lower Topanga Canyon 15 Comment
  UC506443  Salix laevigata Carl Hedin and Joseph Ewan 1932-4-30 7692 Los Angeles stream along Baldwin Hills near Higuera Rd. Culver City Comment
  CHSC35883  Salix lasiolepis James Henrickson 1973-1-1 8112 Los Angeles Santa Cataline Island, 2 air miles WNW of Avalon. Comment
  POM49283  Salix lasiolepis L. W. Nuttall 1920-5-18 s.n. Los Angeles Santa Catalina Island. Big Wash Canyon. Comment
  RSA6446  Salix lasiolepis F. R. Fosberg 1932-1-26 7179 Los Angeles Bottom of Topanga Canyon. 225 Comment
  RSA748780  Salix lasiolepis Justin M. Wood 2009-4-7 470 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  RSA750229  Salix lasiolepis R. G. Swinney 1999-6-21 7356 Los Angeles spring c. 150 m WNW of mouth of Jesus Canyon. 1494 Comment
  UCR95241  Salsola gobicola L. C. Wheeler 1946-8-28 6279 Los Angeles San Gabriel Mtns., Mescal Creek, just about (S of) Appletree Flat 1884 Comment
  SBBG44384  Salsola tragus G. Sphon, D. Hearn 1956-5-30 9 Los Angeles Black Butte, Antelope Valley Comment
  RSA444930  Salsola tragus Al Shapiro 1930-01 s.n. Los Angeles El Segundo. Comment
  SD31160  Salsola tragus Edith A. Purer 1931-8-15 2181 Los Angeles Palos Verdes Hills. Comment
  POM50158  Saltugilia splendens subsp. grantii L. R. Abrams 1901-07 1877 Los Angeles San Gabriel Mountains: West Fork of San Gabriel River. Comment
  RSA679995  Saltugilia splendens subsp. grantii LeRoy Gross, Michael Denslow 2003-6-4 979 Los Angeles Trail from Islip Saddle to South Fork Big Rock Creek. 0.5 to 0.7 mile down trail from the Saddle, before Reed Spring. 1921 Comment
  SBBG126983  Saltugilia splendens subsp. grantii A. Parikh, N. Gale 2011-6-24 3502 Los Angeles S of Iron Mtn, 1.5 km E of Angeles Forest Hwy, 0.9 km S of Monte Cristo Crk; San Gabriel Mtns 1390 Comment
  UC907849  Saltugilia splendens subsp. grantii Herbert L. Mason 1927-6-11 3753 Los Angeles San Antonio Canyon San Gabriel Mountains, San Antonio Canyon 914 Comment
  RSA411307  Salvia apiana Fordyce Grinnell Jr. 1910-06 3283 Los Angeles Switzers Trail. San Gabriel Moutains. Comment
  RSA411308  Salvia apiana Donald R. Bissing 1973-6-2 128 Los Angeles Evey Canyon, San Gabriel Mountains, 0.2 mile from canyon mouth, on canyon wall above road cut. 726 Comment
  RSA144762  Salvia apiana N. Nicolson 1961-3-3 782 Los Angeles Padua Hills, Claremont. Mountain Range - San Gabriel, Drainage Area - San Gabriel. 427 Comment
  RSA442835  Salvia apiana William Emboden 1969-5-28 21 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA442855  Salvia apiana William Emboden 1969-5-28 47 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA576922  Salvia apiana S. Carlquist 1983-7-20 15799 Los Angeles Mt. Baldy Road near flood control dam at base of canyon. Comment
  UC883866  Salvia carduacea L. R. Abrams 1927-4-30 11746 Los Angeles between Fairmont and Neeach; Antelope Valley Comment
  UCLA70137  Salvia carduacea C. Epling and L. Ellison 1930-4-17 Los Angeles Palmdale Comment
  RSA10844  Salvia carduacea Victor Duran 1933-5-22 3414 Los Angeles Near Lancaster. 716 Comment
  RSA664093  Salvia columbariae Marianne Marshall 1981-5-29 13 Los Angeles Ca. Hwy 39, 18.1 mi. N of junction w/ Sierra Madre Ave. N of Azusa. Comment
  CAS-BOT-BC233307  Salvia mellifera Le Roy Abrams 1899-3-30 351 Los Angeles Santa Monica Mts. Comment
  RSA0092552  Salvia mellifera Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14323 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 degrees) NNW of the trailhead. 451 Comment
  RSA483729  Salvia mellifera Richard Noyes, L. Arnseth 1988-4-30 523 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Dry drainage bed 100 meters east of Thompson Creek Dam. 500 Comment
  RSA59067  Salvia mellifera G. R. Campbell 1950-4-17 14594 Los Angeles Escondido Canyon, on road to Malibu Lake, 8 miles from Hwy Alt. 101. 549 Comment
  POM296988  Sambucus mexicana Karen Hosterman 1957-4-8 962 Los Angeles Santa Catalina Island. Avalon; just E of Stables on road to Bird Park; E-W Canyon. Comment
  POM305142  Sambucus mexicana Henry J. Ramsey, Henry J. Ramsey 1937-4-26 435 Los Angeles Azusa. Comment
  POM4447  Sambucus mexicana M. Hitchcock 1918-5-30 s.n. Los Angeles Claremont. 365 Comment
  RSA600410  Sambucus mexicana Steve Boyd, Lauren Raz 1997-4-30 9637 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine 866 Comment
  SBBG45086  Sambucus nigra subsp. caerulea C. B. Wolf 1932-7-6 Los Angeles San Fernando Valley, Van Nuys Blvd 0.5 mi E of Pacoima Post Office 335 Comment
  UCSB10477  Sambucus nigra subsp. caerulea Haller, John 1950-5-29 Los Angeles Santa Monica Mtns., dirt road between Sepulveda and Mulholland Dr. 381 Comment
  RSA592419  Sanicula arguta Mark Hoefs, Doug Propst 1973-3-3 28 Los Angeles Santa Catalina Island. Rocky slope on open hillside in upper Cottonwood Canyon, west of Black Jack Mountain 366 Comment
  RSA678895  Sanicula arguta Dylan Hannon 1996-4-21 s.n. Los Angeles San Clemente Island. Across the road from Stone Station. Comment
  UC1400389  Sanicula arguta Robert F. Thorne 1966-4-16 36066 Los Angeles below Lemon Tank (near dump, s of Nanny, ne side of San Clemente Island); San Clemente Island 182 Comment
  RSA785651  Sanicula crassicaulis K. Dobry 1992-4-9 326 Los Angeles West Santa Monica Mts. along E Arroyo Sequit 5 mi No. of Pacific Coast Hwy. At camp Shalom Comment
  SD254587  Saponaria officinalis R. G. Swinney 2011-7-7 15463 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), central camp area (Chilao Flat 7.5'Q) 1098 Comment
  JEPS43807  Saxifraga californica Frank W. Peirson 1919-4-19 373 Los Angeles Pacoima Canyon; San Gabriel Mountains, Pacoima Canyon 533 Comment
  RSA717344  Schedonorus arundinaceus Scott D. White, Pam DeVries 2006-5-9 11414 Los Angeles Gorman area, valley & slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  UCR214457  Schismus arabicus A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale, et al 2010-3-29 37637 Los Angeles Tehachapi Mtns. Foothills/ W Mojave Desert, ephemeral stream c. 0.7 mile ESE (103 deg. ) of Quail Lake, northeast of the intersection of the National Cement Plant Rd. and Hwy 138 1015 Comment
  CDA2416  Schismus barbatus L. C. Wheeler 1973-4-8 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region; San Gabriel Mountains: Little Tujunga Canyon. Comment
  UC1922482  Schismus barbatus Valerie Soza, Miriam Sidibeh 2003-3-26 1613 a Los Angeles Transverse Ranges; Verdugo Mountains region; Western San Rafael Hills: Ridge Motorway off Camino San Rafael, southwest of Emerald Isle Dr and Camino San Rafael junction, above Mayors Bicentennial Park. 579 Comment
  RSA595176  Schoenoplectus acutus var. occidentalis L. C. Wheeler 1946-8-28 6271 Los Angeles San Gabriel Mountains. Caldwell Lake. 1569 Comment
  SBBG108160  Schoenoplectus pungens var. badius M. L. Hoefs, R. F. Thorne, J. Takara 1995-7-26 2482 Los Angeles Little Harbor 3 Comment
  SFV622  Scirpus acutus var. occidentalis K. A. Wilson 1961-4-29 1174 Los Angeles San Gabriel Mountains Big Rock Creek. In small, marshy area. 1200 Comment
  UC306166  Scirpus acutus var. occidentalis I. Johnston 1917-5-13 27 B Los Angeles El Monte El Monte (ditch along R.R., Southern California) 121 Comment
  UCR95430  Scirpus cernuus Steve Boyd, Orlando Mistretta 1996-5-23 8820 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to power plant, just north of upper end of Castaic Lake. 500 Comment
  PASA1035  Scrophularia californica Sally Ellis 1940-4-16 Los Angeles Claremont Comment
  LA91481  Scrophularia californica subsp. californica Bruce Douglas Clayton; Greg Shaw 1972-4-7 82 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, Mountain Park Research Campus, halfway up Labyrinth Hill on deer trail. 548 Comment
  SEINET4097310  Scrophularia villosa R. Moran 1941-1 645 Los Angeles Johnson's Valley, Santa Catalina Island. 100 Comment
  UC1409082  Scrophularia villosa Robert F. Thorne and Doug Propst 1973-2-12 42484 Los Angeles e Isthmus (above Banning House, Ironwood Gully); Santaa Catalina Isl 182 Comment
  UCR280547  Scutellaria mexicana R. G. Swinney 2014-4-17 16075 Los Angeles San Gabriel Mountains, SW of Littlerock, 0.5-0.8 mi. east of Cheseboro Rd., 100-200 m south of CA Aqueduct, 0.66 mile due S of Hwy. 138/Pearblossom Hwy 957 Comment
  RSA771847  Scutellaria siphocampyloides R. G. Swinney 2009-5-27 10907 Los Angeles South Fork Little Rock Creek, road between Alder Saddle and road to Sulphur Springs Campground, 4 m above canyon bottom along roadside 1591 Comment
  CAS-BOT-BC62040  Selaginella bigelovii Marcus E. Jones 1882-2-25 3023 Los Angeles Pasadena Comment
  JEPS19062  Selaginella bigelovii I. W. Clokey and E. G. Anderson 1935-5-9 6532 Los Angeles San Dimas Canyon Comment
  CAS-BOT-BC333108  Senecio flaccidus var. douglasii Louis C. Wheeler 1931-8-30 31 Los Angeles San Antonio Canyon, San Gabriel Mountains 914 Comment
  CHSC8301  Senecio flaccidus var. douglasii Edward L. Smith 1958-2-18 324 Los Angeles Located in Cobal Canyon. San Gabriel Mtns. 609 Comment
  SEINET4691742  Senecio flaccidus var. douglasii R. G. Swinney 2009-1 11607 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert: Confuence of Kentucky Spring Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 921 Comment
  UC75034  Senecio flaccidus var. douglasii Le Roy Abrams 1902-7-5 1562 Los Angeles Azusa Comment
  UCR204849  Senecio flaccidus var. douglasii R. G. Swinney 2005-8-11 8436 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  RSA660868  Senecio lyonii Orlando Mistretta 1992-4-4 131 Los Angeles San Clemente Island. Comment
  SBBG96751  Senecio lyonii S. Boyd with T. Ross, L. Arnseth 1990-4-7 4278 Los Angeles lower half of China Cyn Comment
  UC1211048  Senecio lyonii Huron H. Smith 1912-5-31 5057 Los Angeles Pebble Beach Road Santa Catalina Island 7 Comment
  UCR68923  Senecio lyonii Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4261 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  RSA597238  Senecio mikanioides Scott D. White 1995-2-11 2537 Los Angeles San Gabriel Mountains: N end of San Dimas Reservoir, directly across road from U.S. Forest Service San Dimas Station. 457 Comment
  PASA956  Senecio vulgaris Sally Ellis 1939-4-28 Los Angeles Claremont Comment
  UCR130506  Senna artemisioides R. E. Riefner Jr. 2000-8-29 00- 763 Los Angeles Verdugo Hills, [Las Barras] 'La Tuna' Canyon, La Tuna Canyon Rd. at 210 Freeway exit 488 Comment
  UCR210533  Setaria parviflora R. G. Swinney 2008-12-4 9943 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1 mi. north of Foothill Blvd. 201 Comment
  CAS-BOT-BC243623  Setaria pumila Peter H. Raven 1956-6-17 9407 Los Angeles Westwood, Los Angeles Comment
  SEINET7249135  Setaria viridis Andrew C. Sanders, Lorraine Weller, Alejandra Martinez B. 2009-1 37185 Los Angeles Los Angeles Basin Region; Los Angeles, Watts area, Bouganvilla Community Garden, East 103rd St. at Grape St. 33 Comment
  UC2026386  Setaria viridis Louis C. Wheeler 1966-10-25 9064 Los Angeles SAN GABRIEL MOUNTAINS: E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  UCR96177  Sherardia arvensis B. G. Pitzer 1996-4-28 2731 Los Angeles South Coast, City of Long Beach, Bixby Park, on Junipero Avenue, 1 block east of the beach 15 Comment
  RSA598292  Sherardia arvensis Louis C. Wheeler 1947-5-11 6483 Los Angeles Arcadia. Rancho Santa Anita. Baldwin Estate, near coach house. Comment
  POM572  Sibara virginica L. R. Abrams 1901-04 1213 Los Angeles Inglewood Comment
  UC18896  Sidalcea malviflora subsp. sparsifolia Dr. A. Davidson 1895-1 Los Angeles Los Angeles Comment
  SBBG98480  Silene antirrhina T. Ross 1991-5-21 5381 Los Angeles San Clemente Island Comment
  RSA248874  Silene antirrhina R. F. Thorne 1973-4-12 42971 Los Angeles San Clemente Island, large canyon S of Mosquito Cove, N of Chenity. 274 Comment
  CAS-BOT-BC387022  Silene gallica Peter H. Raven 1990-4-8 13979 Los Angeles Santa Monica Mountains; Point Dume 21 Comment
  CATA427  Silene gallica Sara L. Crockett, Sheila Schueller 1997-3-8 565 Los Angeles Santa Catalina Island: Valley of the Ollas, 2.8 miles W on Empire Landing Road from jct. with Airport Road, N side of road, ca. 200 m toward San Pedro Channel 268 Comment
  CATA986  Silene gallica Mark L. Hoefs 1994-5-21 1858 Los Angeles Santa Catalina Island: Near upper Renton Mine Road 252 Comment
  CAS-BOT-BC387016  Silene gallica Carl B. Wolf 1932-5-11 3545 Los Angeles Santa Catalina Island; W side of Isthmus Harbor 30 Comment
  SBBG15449  Silene laciniata subsp. laciniata C. B. Hardham 1958-6-14 3699 Los Angeles Chatsworth Hills Comment
  POM123108  Silene laciniata subsp. major Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. [Santa Monica Mountains] Comment
  UCR263282  Silene lemmonii Anuja Parikh, Nathan Gale 2012-5-10 3590 Los Angeles Transverse Range: San Gabriel Mountains, 0.8 km south of the West Fork San Gabriel River, 0.9 km northeast of Newcomb Pass 1070 Comment
  RSA604055  Sinapis arvensis L. C. Wheeler 1933-5-18 1741 Los Angeles San Gabriel. 107 Comment
  RSA0010524  Sisymbrium altissimum LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6799 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  CDA34313  Sisymbrium officinale M. O'Brien 2011-6-14 MOB 11 -2 Los Angeles Santa Monica Mountains; Tapia County Park. 152 Comment
  RSA431752  Sisymbrium officinale M. B. Dunkle 1933-6-17 3621 Los Angeles San Antonio River Canyon 914 Comment
  SBBG131916  Sisymbrium officinale S. A. Junak 2000-6-30 SCa 1356 Los Angeles upper end of Little Harbor, near camp area, cmpgrd (N end) 7 Comment
  UCR222768  Sisymbrium officinale R. G. Swinney 2009-5-8 10694 Los Angeles Transverse Range; San Gabriel Mtns., Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  SFV12384  Sisymbrium officinale D. L. Koutnik 1978-4-15 371 Los Angeles San Fernando Valley Porter Ranch, west of Limekiln Canyon. 610 Comment
  CHSC103801  Sisyrinchium bellum Peter F. Zika 2002-4-14 16782 Los Angeles Base of Palmer Canyon, near Via Padova, Claremont. 620 Comment
  SEINET3130371  Sitanion jubatum G. B. Grant 1906-6-16 6793 Los Angeles Southern Ca., at Mt. Wilson Comment
  UCR19534  Smilacina stellata Aloys Nicholson 1933-5-7 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Malibu Canyon Comment
  LA51799  Solanum douglasii Carl Epling; 1930-3-8 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  RSA0085097  Solanum douglasii R. G. Swinney 2010-4-1 12155 Los Angeles San Gabriel Mountains: Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., (below burn area of 2009, Station Fire), below Forest Service boundary, from wash bottom to 150 m. to the west and from 50 to 150 meters north of Maclay. 399 Comment
  RSA422415  Solanum douglasii T. S. Clare 1929-3-3 15054 Los Angeles Topango [Topanga] Canyon. Comment
  UC1348860  Solanum douglasii Robert F. Thorne 1966-4-28 36247 Los Angeles Santa Catalina Island, Hay Press area Santa Catalina Island; , Hay Press area 426 Comment
  SD112050  Solanum douglasii Betsey Carpenter, Linda Allen 1975-3-21 Los Angeles Santa Catalina Island; east side of Black Jack Mountain Road Comment
  CAS-BOT-BC83645  Solanum umbelliferum E. Braunton 1903-1-12 796 Los Angeles Laurel Canyon Comment
  RSA80384  Solanum umbelliferum F. W. Peirson 1919-6-15 1082 Los Angeles Rock Creek, north slope of San Gabriel Mountains. 1296 Comment
  UC1125060  Solanum umbelliferum R. St. John 1933-3-12 347 Los Angeles Dry Canyon 365 Comment
  UCR273429  Solanum umbelliferum R. G. Swinney 2011-6-22 15261 Los Angeles San Gabriel Mountains, Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy 1790 Comment
  POM223246  Solanum umbelliferum R. Cooper 1936-5-23 3 Los Angeles Mohave Desert between Phelanand newPalmdale Rd. Comment
  RSA427400  Solanum umbelliferum Edwin Kline 1925-4-26 s.n. Los Angeles Arroyo Seco, San Gabriel Mountains. Comment
  SEINET7262138 Image available Solanum umbelliferum W. G. Granert 1965-6-9 s.n. Los Angeles Santa Monica Mountains; Beverly Hills; Ferrari Dr., 0.5 block from jct. with Summit Ridge Road Comment
  NY820378  Solanum xanti I. W. Clokey 04 1929 4432 Los Angeles Mandeville Canyon, Santa Monica Mountains 200 Comment
  NY820461  Solanum xanti L. C. Wheeler 1967-5-24 9718 Los Angeles San Gabriel Mountains. Indian Canyon "Campground" 823 Comment
  UCR188655  Solanum xanti R. G. Swinney 1990-3-23 1544 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora 366 Comment
  UCR142066  Solidago californica A. C. Sanders, Mark A. Elvin, et al 2003-5-1 26271 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
  UCR204577  Solidago confinis R. G. Swinney 2005-8-5 8394 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCSB37381  Soliva sessilis Roos, Alfred 1958-5-16 Los Angeles Lawn of the Ambassador Hotel, Wilshire Blvd., Los Angeles Comment
  RSA188038  Sonchus asper R. F. Thorne 1966-4-29 36273 Los Angeles Santa Catalina Island: above ranch in Middle Ranch Canyon 229 Comment
  SBBG42260  Sonchus asper M. B. Dunkle 1939-4-2 7209 Los Angeles SE point of San Clemente Island Comment
  UCR190275  Sonchus asper R. G. Swinney 1998-8-1 6617 Los Angeles San Gabriel Mtns., Vincent Gulch, c. 2.5 miles ESE of the summit of Mt. Baden-Powell, c. 0.6 mi. above confluence with San Gabriel River 1427 Comment
  RSA641645  Sonchus asper subsp. asper L. C. Wheeler 1967-5-31 9809 Los Angeles Pallet Creek at confluence with Big Rock Creek 1082 Comment
  RSA604492  Sorghum halepense L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Big Rock Creek, Old Point Comfort. Comment
  RSA167887  Sparaxis tricolor Robert F. Thorne 1964-3-28 33510 Los Angeles Claremont, Los Angeles County. Comment
  RSA747736  Spartium junceum Scott D. White, J. Wood, J. Miner 2009-5-12 12696 Los Angeles San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  UCD108500  Spartium junceum Antonio F. Machado; Lisa Seemann 1993-4-28 6 b Los Angeles Santa Clarita Valley, E of San Francisquito Road, 0.4 mile S of where road is intersected by aqueduct piping. 1000 Comment
  SD69596  Spergularia marina Robert F. Thorne, P. Everett 1965-5-11 34540 Los Angeles Santa Catalina Island, north of Catalina Harbor Comment
  CATA922  Spergularia villosa Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-15 1774 Los Angeles Santa Catalina Island: Open slope above Parson's Landing 213 Comment
  UC1584740  Spergularia villosa Tim Ross and Annette Ross 1991-6-3 5523 Los Angeles Elephant Hill west Pomona (disturbed flat at sw base) 230 Comment
  SEINET186837  Sphaeralcea fasciculata Ynez W. Winblad 1938-5-14 Los Angeles Santa Ana Canyon. Comment
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Feb 10 2015
  UCR142821  Sporobolus cryptandrus L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mtns, Mountain Brook Ranch 1159 Comment
  SBBG119337  Stachys ajugoides S. D. White 2000-5-6 7782 Los Angeles city of Rowland Heights, "Rancho Rincon de la Brea" near Bill Blevins Park 213 Comment
  RSA158240  Stachys albens David P. Gregory 1961-8-10 481 Los Angeles Growing near an apple orchard in the bottom of the canyon below springs. Coldwater Canyon, sw. of Mt. San Antonio. San Gabriel Mountains. Comment
  RSA0051602  Stachys albens Harold L. Pirie 1963-7-27 s.n. Los Angeles Cold Creek of Stunt Rd. in the Santa Monica Mts. 563 Comment
  RSA608527  Stachys bullata Louis C. Wheeler 1930-4-26 27 Los Angeles Santa Monica Mountains: Mandeville Canyon. Comment
  UC884279  Stachys bullata Ira W. Clokey, B. Templeton May 1929 4460 Los Angeles Mandeville Canyon Santa Monica Mountains 350 Comment
  HSC35977  Stanleya pinnata Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-8-19 2175 Los Angeles Beside Hwy. 5, just E of junction with Hwy. 138 915 Comment
  UC1536922  Stanleya pinnata Gordon H. True Jr. 1935-5-16 298 Los Angeles between Alpine Springs and Palmdale; between Alpine Springs and Palmdale 731 Comment
  RSA127995  Stanleya pinnata H. J. Thompson 1958-11-29 1833 Los Angeles SE of bridge over Malibu Creek, along Coast Hwy 8 Comment
  SDSU1275  Stanleya pinnata unknown 1952-6-15 2227 Los Angeles Malibu Beach. Comment
  RSA784835  Stebbinsoseris heterocarpa J. D. Olmsted 1959-5-13 618 Los Angeles San Gabriel Mountains; Evey Canyon, 550 yards west of San Antonio Canyon 716 Comment
  RSA616139  Stellaria nitens L. C. Wheeler 1967-5-18 9634 Los Angeles Angeles National Forest; Placerita Canyon. 518 Comment
  JEPS64629  Stephanomeria pauciflora Ernest C. Twisselmann 1970-9-8 17495 Los Angeles Highway 14 at Avenue A, Antelope Valley Mojave Desert, Antelope Valley 731 Comment
  RSA179932  Stephanomeria pauciflora E. C. Twisselmann 1965-7-23 11073 Los Angeles North side of Antelope Valley 1204 Comment
  UC217678  Stephanomeria pauciflora Katharine Brandegee Los Angeles Ravenna Comment
  UCR182484  Stephanomeria spinosa R. G. Swinney 1997-7-17 5688 Los Angeles San Gabriel Mtns., summit of Table Mountain, NW of Wrightwood 2277 Comment
  POM184069  Stephanomeria virgata P. A. Munz 1932-8-31 12816 Los Angeles Playa Del Rey Comment
  UC2042123  Stephanomeria virgata subsp. virgata Orlando Mistretta 1990-7-2 s. n. Los Angeles Transverse Ranges; San Gabriel Mountains region: Bear Flat. Comment
  UCR192891  Stipa R. G. Swinney 1999-8-16 7655 Los Angeles San Gabriel Mtns., Wrightwood area, Flume Canyon, spring c. 200 m north of Guffy Campground 2445 Comment
  UCR237899  Stipa coronata Mark A. Elvin 2003-5-1 2494 Los Angeles Santa Clarita Valley, Newhall Ranch, Castaic Mesas, c. 1.5 km east of Castaic Lagoon in Charlie Canyon, survey area 69 396 Comment
  UCR271869  Stipa lepida R. G. Swinney 2010-3-24 12097 Los Angeles San Gabriel Mountains, Pacoima area, Lopez Canyon, 1.7 miles west of Kagel Canyon on Lopez Cyn. Rd., to 300 meters east of road on E-W running ridge 503 Comment
  PASA2055  Streptanthus heterophyllus Frank W. Peirson 1919-3-27 Los Angeles Hills west of Arroyo Seco 426 Comment
  RSA594994  Stuckenia pectinata Mark Haefs, Steven A. Junak, Janet Takara, M. Gay 1995-7-14 14 Los Angeles Santa Catalina Island. By upper Cape Canyon Reservoir. 323 Comment
  RSA596100  Stuckenia pectinata Mark Haefs, Robert F. Thorne, Janet Takara 1995-7-25 2436 Los Angeles Echo Lake, Santa Catalina Island. 396 Comment
  SBBG18893  Stylocline gnaphaloides S. A. Junak 1997-3-11 SCl 749 Los Angeles SE side of Sibara Ridge, ca. 0.35 mi S of Triangulation Pt Guds 112 Comment
  POM123170  Suaeda esteroa Marcus E. Jones 1900-7-12 s.n. Los Angeles Long Beach. Comment
  SEINET269299  Suaeda moquinii A. C. Sanders, E. J. Lott 1993-5-6 13946 Los Angeles Mojave Desert: 12 miles N of Palmdale Sierra Hwy at Ave 'G' to 1/10 mi. NW of intersection. 706 Comment
  SBBG69504  Symphoricarpos mollis M. N. Ackley -May-1925 88 Los Angeles Glendale 274 Comment
  CLARK-A1528-5646  Symphoricarpos vaccinioides John C. Roos 1937-5-31 2046 Los Angeles San Gabriel Mountains Comment
  SD231239  Syntrichopappus fremontii Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 50506 2 Los Angeles Transverse Ranges; San Gabriel Mountains region: Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge,wash and roadside. 1444 Comment
  UCR183576  Syntrichopappus fremontii A. C. Sanders, T. B. Salvato, Michael Honer 2007-4-25 33529 Los Angeles Western Transverse Range; Liebre Mtns. Region, south of hwy 138 just east of mouth of Horse Camp Canyon, c. 1 mile ENE of La Liebre Ranch 976 Comment
  UCR214043  Syntrichopappus fremontii A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37962 Los Angeles Tehachapi Moun